osdl.net!shemminger | b9de3ec | 2005-01-19 00:23:53 +0000 | [diff] [blame] | 1 | /* |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2 | * ss.c "sockstat", socket statistics |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> |
| 10 | */ |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <stdlib.h> |
| 14 | #include <unistd.h> |
| 15 | #include <syslog.h> |
| 16 | #include <fcntl.h> |
| 17 | #include <sys/ioctl.h> |
| 18 | #include <sys/socket.h> |
| 19 | #include <sys/uio.h> |
| 20 | #include <netinet/in.h> |
| 21 | #include <string.h> |
| 22 | #include <errno.h> |
| 23 | #include <netdb.h> |
| 24 | #include <arpa/inet.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 25 | #include <dirent.h> |
| 26 | #include <fnmatch.h> |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 27 | #include <getopt.h> |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 28 | #include <stdbool.h> |
Gustavo Zacarias | 6b376eb | 2016-08-20 00:11:10 -0300 | [diff] [blame] | 29 | #include <limits.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 30 | |
| 31 | #include "utils.h" |
| 32 | #include "rt_names.h" |
| 33 | #include "ll_map.h" |
| 34 | #include "libnetlink.h" |
Vadim Kochan | 95ce04b | 2015-02-08 08:58:43 +0200 | [diff] [blame] | 35 | #include "namespace.h" |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 36 | #include "SNAPSHOT.h" |
| 37 | |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 38 | #include <linux/tcp.h> |
Stephen Hemminger | f606236 | 2012-01-20 12:48:00 -0800 | [diff] [blame] | 39 | #include <linux/sock_diag.h> |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 40 | #include <linux/inet_diag.h> |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 41 | #include <linux/unix_diag.h> |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 42 | #include <linux/netdevice.h> /* for MAX_ADDR_LEN */ |
| 43 | #include <linux/filter.h> |
| 44 | #include <linux/packet_diag.h> |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 45 | #include <linux/netlink_diag.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 46 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 47 | #define MAGIC_SEQ 123456 |
| 48 | |
vadimk | 5fb421d | 2014-10-30 18:49:25 +0200 | [diff] [blame] | 49 | #define DIAG_REQUEST(_req, _r) \ |
| 50 | struct { \ |
| 51 | struct nlmsghdr nlh; \ |
| 52 | _r; \ |
| 53 | } _req = { \ |
| 54 | .nlh = { \ |
| 55 | .nlmsg_type = SOCK_DIAG_BY_FAMILY, \ |
| 56 | .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\ |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 57 | .nlmsg_seq = MAGIC_SEQ, \ |
vadimk | 5fb421d | 2014-10-30 18:49:25 +0200 | [diff] [blame] | 58 | .nlmsg_len = sizeof(_req), \ |
| 59 | }, \ |
| 60 | } |
| 61 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 62 | #if HAVE_SELINUX |
| 63 | #include <selinux/selinux.h> |
| 64 | #else |
| 65 | /* Stubs for SELinux functions */ |
| 66 | static int is_selinux_enabled(void) |
| 67 | { |
| 68 | return -1; |
| 69 | } |
| 70 | |
| 71 | static int getpidcon(pid_t pid, char **context) |
| 72 | { |
| 73 | *context = NULL; |
| 74 | return -1; |
| 75 | } |
| 76 | |
| 77 | static int getfilecon(char *path, char **context) |
| 78 | { |
| 79 | *context = NULL; |
| 80 | return -1; |
| 81 | } |
| 82 | |
| 83 | static int security_get_initial_context(char *name, char **context) |
| 84 | { |
| 85 | *context = NULL; |
| 86 | return -1; |
| 87 | } |
| 88 | #endif |
| 89 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 90 | int resolve_hosts; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 91 | int resolve_services = 1; |
| 92 | int preferred_family = AF_UNSPEC; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 93 | int show_options; |
| 94 | int show_details; |
| 95 | int show_users; |
| 96 | int show_mem; |
| 97 | int show_tcpinfo; |
| 98 | int show_bpf; |
| 99 | int show_proc_ctx; |
| 100 | int show_sock_ctx; |
David Ahern | 7a4559f | 2016-07-15 15:45:39 -0700 | [diff] [blame] | 101 | int show_header = 1; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 102 | /* If show_users & show_proc_ctx only do user_ent_hash_build() once */ |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 103 | int user_ent_hash_build_init; |
| 104 | int follow_events; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 105 | |
| 106 | int netid_width; |
| 107 | int state_width; |
| 108 | int addrp_width; |
| 109 | int addr_width; |
| 110 | int serv_width; |
| 111 | int screen_width; |
| 112 | |
| 113 | static const char *TCP_PROTO = "tcp"; |
| 114 | static const char *UDP_PROTO = "udp"; |
| 115 | static const char *RAW_PROTO = "raw"; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 116 | static const char *dg_proto; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 117 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 118 | enum { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 119 | TCP_DB, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 120 | DCCP_DB, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 121 | UDP_DB, |
| 122 | RAW_DB, |
| 123 | UNIX_DG_DB, |
| 124 | UNIX_ST_DB, |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 125 | UNIX_SQ_DB, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 126 | PACKET_DG_DB, |
| 127 | PACKET_R_DB, |
| 128 | NETLINK_DB, |
| 129 | MAX_DB |
| 130 | }; |
| 131 | |
| 132 | #define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB)) |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 133 | #define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 134 | #define ALL_DB ((1<<MAX_DB)-1) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 135 | #define INET_DBM ((1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)|(1<<RAW_DB)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 136 | |
| 137 | enum { |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 138 | SS_UNKNOWN, |
| 139 | SS_ESTABLISHED, |
| 140 | SS_SYN_SENT, |
| 141 | SS_SYN_RECV, |
| 142 | SS_FIN_WAIT1, |
| 143 | SS_FIN_WAIT2, |
| 144 | SS_TIME_WAIT, |
| 145 | SS_CLOSE, |
| 146 | SS_CLOSE_WAIT, |
| 147 | SS_LAST_ACK, |
| 148 | SS_LISTEN, |
| 149 | SS_CLOSING, |
| 150 | SS_MAX |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 151 | }; |
| 152 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 153 | #define SS_ALL ((1 << SS_MAX) - 1) |
| 154 | #define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV))) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 155 | |
| 156 | #include "ssfilter.h" |
| 157 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 158 | struct filter { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 159 | int dbs; |
| 160 | int states; |
| 161 | int families; |
| 162 | struct ssfilter *f; |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 163 | bool kill; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 164 | }; |
| 165 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 166 | static const struct filter default_dbs[MAX_DB] = { |
| 167 | [TCP_DB] = { |
| 168 | .states = SS_CONN, |
| 169 | .families = (1 << AF_INET) | (1 << AF_INET6), |
| 170 | }, |
| 171 | [DCCP_DB] = { |
| 172 | .states = SS_CONN, |
| 173 | .families = (1 << AF_INET) | (1 << AF_INET6), |
| 174 | }, |
| 175 | [UDP_DB] = { |
Vadim Kochan | f42a457 | 2015-01-08 19:32:22 +0200 | [diff] [blame] | 176 | .states = (1 << SS_ESTABLISHED), |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 177 | .families = (1 << AF_INET) | (1 << AF_INET6), |
| 178 | }, |
| 179 | [RAW_DB] = { |
Vadim Kochan | f42a457 | 2015-01-08 19:32:22 +0200 | [diff] [blame] | 180 | .states = (1 << SS_ESTABLISHED), |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 181 | .families = (1 << AF_INET) | (1 << AF_INET6), |
| 182 | }, |
| 183 | [UNIX_DG_DB] = { |
| 184 | .states = (1 << SS_CLOSE), |
| 185 | .families = (1 << AF_UNIX), |
| 186 | }, |
| 187 | [UNIX_ST_DB] = { |
| 188 | .states = SS_CONN, |
| 189 | .families = (1 << AF_UNIX), |
| 190 | }, |
| 191 | [UNIX_SQ_DB] = { |
| 192 | .states = SS_CONN, |
| 193 | .families = (1 << AF_UNIX), |
| 194 | }, |
| 195 | [PACKET_DG_DB] = { |
| 196 | .states = (1 << SS_CLOSE), |
| 197 | .families = (1 << AF_PACKET), |
| 198 | }, |
| 199 | [PACKET_R_DB] = { |
| 200 | .states = (1 << SS_CLOSE), |
| 201 | .families = (1 << AF_PACKET), |
| 202 | }, |
| 203 | [NETLINK_DB] = { |
| 204 | .states = (1 << SS_CLOSE), |
| 205 | .families = (1 << AF_NETLINK), |
| 206 | }, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 207 | }; |
| 208 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 209 | static const struct filter default_afs[AF_MAX] = { |
| 210 | [AF_INET] = { |
| 211 | .dbs = INET_DBM, |
| 212 | .states = SS_CONN, |
| 213 | }, |
| 214 | [AF_INET6] = { |
| 215 | .dbs = INET_DBM, |
| 216 | .states = SS_CONN, |
| 217 | }, |
| 218 | [AF_UNIX] = { |
| 219 | .dbs = UNIX_DBM, |
| 220 | .states = SS_CONN, |
| 221 | }, |
| 222 | [AF_PACKET] = { |
| 223 | .dbs = PACKET_DBM, |
| 224 | .states = (1 << SS_CLOSE), |
| 225 | }, |
| 226 | [AF_NETLINK] = { |
| 227 | .dbs = (1 << NETLINK_DB), |
| 228 | .states = (1 << SS_CLOSE), |
| 229 | }, |
| 230 | }; |
| 231 | |
| 232 | static int do_default = 1; |
| 233 | static struct filter current_filter; |
| 234 | |
| 235 | static void filter_db_set(struct filter *f, int db) |
| 236 | { |
| 237 | f->states |= default_dbs[db].states; |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 238 | f->dbs |= 1 << db; |
| 239 | do_default = 0; |
| 240 | } |
| 241 | |
| 242 | static void filter_af_set(struct filter *f, int af) |
| 243 | { |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 244 | f->states |= default_afs[af].states; |
| 245 | f->families |= 1 << af; |
| 246 | do_default = 0; |
| 247 | preferred_family = af; |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | static int filter_af_get(struct filter *f, int af) |
| 251 | { |
| 252 | return f->families & (1 << af); |
| 253 | } |
| 254 | |
| 255 | static void filter_default_dbs(struct filter *f) |
| 256 | { |
| 257 | filter_db_set(f, UDP_DB); |
| 258 | filter_db_set(f, DCCP_DB); |
| 259 | filter_db_set(f, TCP_DB); |
| 260 | filter_db_set(f, RAW_DB); |
| 261 | filter_db_set(f, UNIX_ST_DB); |
| 262 | filter_db_set(f, UNIX_DG_DB); |
| 263 | filter_db_set(f, UNIX_SQ_DB); |
| 264 | filter_db_set(f, PACKET_R_DB); |
| 265 | filter_db_set(f, PACKET_DG_DB); |
| 266 | filter_db_set(f, NETLINK_DB); |
| 267 | } |
| 268 | |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 269 | static void filter_states_set(struct filter *f, int states) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 270 | { |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 271 | if (states) |
Phil Sutter | 9d320e1 | 2016-04-13 22:07:04 +0200 | [diff] [blame] | 272 | f->states = states; |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | static void filter_merge_defaults(struct filter *f) |
| 276 | { |
| 277 | int db; |
| 278 | int af; |
| 279 | |
| 280 | for (db = 0; db < MAX_DB; db++) { |
| 281 | if (!(f->dbs & (1 << db))) |
| 282 | continue; |
| 283 | |
| 284 | if (!(default_dbs[db].families & f->families)) |
| 285 | f->families |= default_dbs[db].families; |
| 286 | } |
| 287 | for (af = 0; af < AF_MAX; af++) { |
| 288 | if (!(f->families & (1 << af))) |
| 289 | continue; |
| 290 | |
| 291 | if (!(default_afs[af].dbs & f->dbs)) |
| 292 | f->dbs |= default_afs[af].dbs; |
| 293 | } |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 294 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 295 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 296 | static FILE *generic_proc_open(const char *env, const char *name) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 297 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 298 | const char *p = getenv(env); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 299 | char store[128]; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 300 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 301 | if (!p) { |
| 302 | p = getenv("PROC_ROOT") ? : "/proc"; |
| 303 | snprintf(store, sizeof(store)-1, "%s/%s", p, name); |
| 304 | p = store; |
| 305 | } |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 306 | |
| 307 | return fopen(p, "r"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 308 | } |
| 309 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 310 | static FILE *net_tcp_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 311 | { |
| 312 | return generic_proc_open("PROC_NET_TCP", "net/tcp"); |
| 313 | } |
| 314 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 315 | static FILE *net_tcp6_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 316 | { |
| 317 | return generic_proc_open("PROC_NET_TCP6", "net/tcp6"); |
| 318 | } |
| 319 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 320 | static FILE *net_udp_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 321 | { |
| 322 | return generic_proc_open("PROC_NET_UDP", "net/udp"); |
| 323 | } |
| 324 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 325 | static FILE *net_udp6_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 326 | { |
| 327 | return generic_proc_open("PROC_NET_UDP6", "net/udp6"); |
| 328 | } |
| 329 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 330 | static FILE *net_raw_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 331 | { |
| 332 | return generic_proc_open("PROC_NET_RAW", "net/raw"); |
| 333 | } |
| 334 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 335 | static FILE *net_raw6_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 336 | { |
| 337 | return generic_proc_open("PROC_NET_RAW6", "net/raw6"); |
| 338 | } |
| 339 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 340 | static FILE *net_unix_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 341 | { |
| 342 | return generic_proc_open("PROC_NET_UNIX", "net/unix"); |
| 343 | } |
| 344 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 345 | static FILE *net_packet_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 346 | { |
| 347 | return generic_proc_open("PROC_NET_PACKET", "net/packet"); |
| 348 | } |
| 349 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 350 | static FILE *net_netlink_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 351 | { |
| 352 | return generic_proc_open("PROC_NET_NETLINK", "net/netlink"); |
| 353 | } |
| 354 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 355 | static FILE *slabinfo_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 356 | { |
| 357 | return generic_proc_open("PROC_SLABINFO", "slabinfo"); |
| 358 | } |
| 359 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 360 | static FILE *net_sockstat_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 361 | { |
| 362 | return generic_proc_open("PROC_NET_SOCKSTAT", "net/sockstat"); |
| 363 | } |
| 364 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 365 | static FILE *net_sockstat6_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 366 | { |
| 367 | return generic_proc_open("PROC_NET_SOCKSTAT6", "net/sockstat6"); |
| 368 | } |
| 369 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 370 | static FILE *net_snmp_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 371 | { |
| 372 | return generic_proc_open("PROC_NET_SNMP", "net/snmp"); |
| 373 | } |
| 374 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 375 | static FILE *ephemeral_ports_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 376 | { |
| 377 | return generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", "sys/net/ipv4/ip_local_port_range"); |
| 378 | } |
| 379 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 380 | struct user_ent { |
| 381 | struct user_ent *next; |
| 382 | unsigned int ino; |
| 383 | int pid; |
| 384 | int fd; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 385 | char *process; |
| 386 | char *process_ctx; |
| 387 | char *socket_ctx; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 388 | }; |
| 389 | |
| 390 | #define USER_ENT_HASH_SIZE 256 |
| 391 | struct user_ent *user_ent_hash[USER_ENT_HASH_SIZE]; |
| 392 | |
| 393 | static int user_ent_hashfn(unsigned int ino) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 394 | { |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 395 | int val = (ino >> 24) ^ (ino >> 16) ^ (ino >> 8) ^ ino; |
| 396 | |
| 397 | return val & (USER_ENT_HASH_SIZE - 1); |
| 398 | } |
| 399 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 400 | static void user_ent_add(unsigned int ino, char *process, |
| 401 | int pid, int fd, |
| 402 | char *proc_ctx, |
| 403 | char *sock_ctx) |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 404 | { |
| 405 | struct user_ent *p, **pp; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 406 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 407 | p = malloc(sizeof(struct user_ent)); |
| 408 | if (!p) { |
| 409 | fprintf(stderr, "ss: failed to malloc buffer\n"); |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 410 | abort(); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 411 | } |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 412 | p->next = NULL; |
| 413 | p->ino = ino; |
| 414 | p->pid = pid; |
| 415 | p->fd = fd; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 416 | p->process = strdup(process); |
| 417 | p->process_ctx = strdup(proc_ctx); |
| 418 | p->socket_ctx = strdup(sock_ctx); |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 419 | |
| 420 | pp = &user_ent_hash[user_ent_hashfn(ino)]; |
| 421 | p->next = *pp; |
| 422 | *pp = p; |
| 423 | } |
| 424 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 425 | static void user_ent_destroy(void) |
| 426 | { |
| 427 | struct user_ent *p, *p_next; |
| 428 | int cnt = 0; |
| 429 | |
| 430 | while (cnt != USER_ENT_HASH_SIZE) { |
| 431 | p = user_ent_hash[cnt]; |
| 432 | while (p) { |
| 433 | free(p->process); |
| 434 | free(p->process_ctx); |
| 435 | free(p->socket_ctx); |
| 436 | p_next = p->next; |
| 437 | free(p); |
| 438 | p = p_next; |
| 439 | } |
| 440 | cnt++; |
| 441 | } |
| 442 | } |
| 443 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 444 | static void user_ent_hash_build(void) |
| 445 | { |
| 446 | const char *root = getenv("PROC_ROOT") ? : "/proc/"; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 447 | struct dirent *d; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 448 | char name[1024]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 449 | int nameoff; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 450 | DIR *dir; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 451 | char *pid_context; |
| 452 | char *sock_context; |
| 453 | const char *no_ctx = "unavailable"; |
| 454 | |
| 455 | /* If show_users & show_proc_ctx set only do this once */ |
| 456 | if (user_ent_hash_build_init != 0) |
| 457 | return; |
| 458 | |
| 459 | user_ent_hash_build_init = 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 460 | |
willy tarreau | 0ee9052 | 2015-10-06 12:09:33 +0200 | [diff] [blame] | 461 | strncpy(name, root, sizeof(name)-1); |
| 462 | name[sizeof(name)-1] = 0; |
| 463 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 464 | if (strlen(name) == 0 || name[strlen(name)-1] != '/') |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 465 | strcat(name, "/"); |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 466 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 467 | nameoff = strlen(name); |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 468 | |
| 469 | dir = opendir(name); |
| 470 | if (!dir) |
| 471 | return; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 472 | |
| 473 | while ((d = readdir(dir)) != NULL) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 474 | struct dirent *d1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 475 | char process[16]; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 476 | char *p; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 477 | int pid, pos; |
| 478 | DIR *dir1; |
| 479 | char crap; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 480 | |
| 481 | if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1) |
| 482 | continue; |
| 483 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 484 | if (getpidcon(pid, &pid_context) != 0) |
| 485 | pid_context = strdup(no_ctx); |
| 486 | |
willy tarreau | 0ee9052 | 2015-10-06 12:09:33 +0200 | [diff] [blame] | 487 | snprintf(name + nameoff, sizeof(name) - nameoff, "%d/fd/", pid); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 488 | pos = strlen(name); |
Phil Sutter | a02371f | 2015-08-06 14:24:36 +0200 | [diff] [blame] | 489 | if ((dir1 = opendir(name)) == NULL) { |
| 490 | free(pid_context); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 491 | continue; |
Phil Sutter | a02371f | 2015-08-06 14:24:36 +0200 | [diff] [blame] | 492 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 493 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 494 | process[0] = '\0'; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 495 | p = process; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 496 | |
| 497 | while ((d1 = readdir(dir1)) != NULL) { |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 498 | const char *pattern = "socket:["; |
| 499 | unsigned int ino; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 500 | char lnk[64]; |
Stephen Hemminger | 18445b3 | 2011-06-29 15:58:37 -0700 | [diff] [blame] | 501 | int fd; |
Thomas Jarosch | 788731b | 2011-10-13 10:30:21 +0200 | [diff] [blame] | 502 | ssize_t link_len; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 503 | char tmp[1024]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 504 | |
| 505 | if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1) |
| 506 | continue; |
| 507 | |
willy tarreau | 0ee9052 | 2015-10-06 12:09:33 +0200 | [diff] [blame] | 508 | snprintf(name+pos, sizeof(name) - pos, "%d", fd); |
Thomas Jarosch | 788731b | 2011-10-13 10:30:21 +0200 | [diff] [blame] | 509 | |
| 510 | link_len = readlink(name, lnk, sizeof(lnk)-1); |
| 511 | if (link_len == -1) |
| 512 | continue; |
| 513 | lnk[link_len] = '\0'; |
| 514 | |
| 515 | if (strncmp(lnk, pattern, strlen(pattern))) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 516 | continue; |
| 517 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 518 | sscanf(lnk, "socket:[%u]", &ino); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 519 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 520 | snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s", |
| 521 | root, pid, d1->d_name); |
| 522 | |
| 523 | if (getfilecon(tmp, &sock_context) <= 0) |
| 524 | sock_context = strdup(no_ctx); |
| 525 | |
| 526 | if (*p == '\0') { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 527 | FILE *fp; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 528 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 529 | snprintf(tmp, sizeof(tmp), "%s/%d/stat", |
| 530 | root, pid); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 531 | if ((fp = fopen(tmp, "r")) != NULL) { |
Phil Sutter | d572ed4 | 2015-11-28 01:00:04 +0100 | [diff] [blame] | 532 | if (fscanf(fp, "%*d (%[^)])", p) < 1) |
| 533 | ; /* ignore */ |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 534 | fclose(fp); |
| 535 | } |
| 536 | } |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 537 | user_ent_add(ino, p, pid, fd, |
| 538 | pid_context, sock_context); |
| 539 | free(sock_context); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 540 | } |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 541 | free(pid_context); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 542 | closedir(dir1); |
| 543 | } |
| 544 | closedir(dir); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 545 | } |
| 546 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 547 | enum entry_types { |
| 548 | USERS, |
| 549 | PROC_CTX, |
| 550 | PROC_SOCK_CTX |
| 551 | }; |
| 552 | |
| 553 | #define ENTRY_BUF_SIZE 512 |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 554 | static int find_entry(unsigned int ino, char **buf, int type) |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 555 | { |
| 556 | struct user_ent *p; |
| 557 | int cnt = 0; |
| 558 | char *ptr; |
Phil Sutter | 532ca40 | 2015-08-06 14:24:33 +0200 | [diff] [blame] | 559 | char *new_buf; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 560 | int len, new_buf_len; |
| 561 | int buf_used = 0; |
| 562 | int buf_len = 0; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 563 | |
| 564 | if (!ino) |
| 565 | return 0; |
| 566 | |
| 567 | p = user_ent_hash[user_ent_hashfn(ino)]; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 568 | ptr = *buf = NULL; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 569 | while (p) { |
| 570 | if (p->ino != ino) |
| 571 | goto next; |
| 572 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 573 | while (1) { |
| 574 | ptr = *buf + buf_used; |
| 575 | switch (type) { |
| 576 | case USERS: |
| 577 | len = snprintf(ptr, buf_len - buf_used, |
| 578 | "(\"%s\",pid=%d,fd=%d),", |
| 579 | p->process, p->pid, p->fd); |
| 580 | break; |
| 581 | case PROC_CTX: |
| 582 | len = snprintf(ptr, buf_len - buf_used, |
| 583 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),", |
| 584 | p->process, p->pid, |
| 585 | p->process_ctx, p->fd); |
| 586 | break; |
| 587 | case PROC_SOCK_CTX: |
| 588 | len = snprintf(ptr, buf_len - buf_used, |
| 589 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),", |
| 590 | p->process, p->pid, |
| 591 | p->process_ctx, p->fd, |
| 592 | p->socket_ctx); |
| 593 | break; |
| 594 | default: |
| 595 | fprintf(stderr, "ss: invalid type: %d\n", type); |
| 596 | abort(); |
| 597 | } |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 598 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 599 | if (len < 0 || len >= buf_len - buf_used) { |
| 600 | new_buf_len = buf_len + ENTRY_BUF_SIZE; |
Phil Sutter | 532ca40 | 2015-08-06 14:24:33 +0200 | [diff] [blame] | 601 | new_buf = realloc(*buf, new_buf_len); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 602 | if (!new_buf) { |
| 603 | fprintf(stderr, "ss: failed to malloc buffer\n"); |
| 604 | abort(); |
| 605 | } |
Phil Sutter | 532ca40 | 2015-08-06 14:24:33 +0200 | [diff] [blame] | 606 | *buf = new_buf; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 607 | buf_len = new_buf_len; |
| 608 | continue; |
| 609 | } else { |
| 610 | buf_used += len; |
| 611 | break; |
| 612 | } |
| 613 | } |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 614 | cnt++; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 615 | next: |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 616 | p = p->next; |
| 617 | } |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 618 | if (buf_used) { |
| 619 | ptr = *buf + buf_used; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 620 | ptr[-1] = '\0'; |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 621 | } |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 622 | return cnt; |
| 623 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 624 | |
| 625 | /* Get stats from slab */ |
| 626 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 627 | struct slabstat { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 628 | int socks; |
| 629 | int tcp_ports; |
| 630 | int tcp_tws; |
| 631 | int tcp_syns; |
| 632 | int skbs; |
| 633 | }; |
| 634 | |
Bryton Lee | a221d62 | 2015-02-12 14:16:04 +0800 | [diff] [blame] | 635 | static struct slabstat slabstat; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 636 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 637 | static const char *slabstat_ids[] = { |
| 638 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 639 | "sock", |
| 640 | "tcp_bind_bucket", |
| 641 | "tcp_tw_bucket", |
| 642 | "tcp_open_request", |
| 643 | "skbuff_head_cache", |
| 644 | }; |
| 645 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 646 | static int get_slabstat(struct slabstat *s) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 647 | { |
| 648 | char buf[256]; |
| 649 | FILE *fp; |
| 650 | int cnt; |
Bryton Lee | a221d62 | 2015-02-12 14:16:04 +0800 | [diff] [blame] | 651 | static int slabstat_valid; |
| 652 | |
| 653 | if (slabstat_valid) |
| 654 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 655 | |
| 656 | memset(s, 0, sizeof(*s)); |
| 657 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 658 | fp = slabinfo_open(); |
| 659 | if (!fp) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 660 | return -1; |
| 661 | |
| 662 | cnt = sizeof(*s)/sizeof(int); |
| 663 | |
Phil Sutter | d572ed4 | 2015-11-28 01:00:04 +0100 | [diff] [blame] | 664 | if (!fgets(buf, sizeof(buf), fp)) { |
| 665 | fclose(fp); |
| 666 | return -1; |
| 667 | } |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 668 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 669 | int i; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 670 | |
Phil Sutter | 62000e5 | 2016-06-28 18:42:15 +0200 | [diff] [blame] | 671 | for (i = 0; i < ARRAY_SIZE(slabstat_ids); i++) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 672 | if (memcmp(buf, slabstat_ids[i], strlen(slabstat_ids[i])) == 0) { |
| 673 | sscanf(buf, "%*s%d", ((int *)s) + i); |
| 674 | cnt--; |
| 675 | break; |
| 676 | } |
| 677 | } |
| 678 | if (cnt <= 0) |
| 679 | break; |
| 680 | } |
| 681 | |
Bryton Lee | a221d62 | 2015-02-12 14:16:04 +0800 | [diff] [blame] | 682 | slabstat_valid = 1; |
| 683 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 684 | fclose(fp); |
| 685 | return 0; |
| 686 | } |
| 687 | |
Eric Dumazet | 2e7e805 | 2015-03-10 09:56:47 -0700 | [diff] [blame] | 688 | static unsigned long long cookie_sk_get(const uint32_t *cookie) |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 689 | { |
Eric Dumazet | 2e7e805 | 2015-03-10 09:56:47 -0700 | [diff] [blame] | 690 | return (((unsigned long long)cookie[1] << 31) << 1) | cookie[0]; |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 691 | } |
| 692 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 693 | static const char *sstate_name[] = { |
| 694 | "UNKNOWN", |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 695 | [SS_ESTABLISHED] = "ESTAB", |
| 696 | [SS_SYN_SENT] = "SYN-SENT", |
| 697 | [SS_SYN_RECV] = "SYN-RECV", |
| 698 | [SS_FIN_WAIT1] = "FIN-WAIT-1", |
| 699 | [SS_FIN_WAIT2] = "FIN-WAIT-2", |
| 700 | [SS_TIME_WAIT] = "TIME-WAIT", |
| 701 | [SS_CLOSE] = "UNCONN", |
| 702 | [SS_CLOSE_WAIT] = "CLOSE-WAIT", |
| 703 | [SS_LAST_ACK] = "LAST-ACK", |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 704 | [SS_LISTEN] = "LISTEN", |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 705 | [SS_CLOSING] = "CLOSING", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 706 | }; |
| 707 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 708 | static const char *sstate_namel[] = { |
| 709 | "UNKNOWN", |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 710 | [SS_ESTABLISHED] = "established", |
| 711 | [SS_SYN_SENT] = "syn-sent", |
| 712 | [SS_SYN_RECV] = "syn-recv", |
| 713 | [SS_FIN_WAIT1] = "fin-wait-1", |
| 714 | [SS_FIN_WAIT2] = "fin-wait-2", |
| 715 | [SS_TIME_WAIT] = "time-wait", |
| 716 | [SS_CLOSE] = "unconnected", |
| 717 | [SS_CLOSE_WAIT] = "close-wait", |
| 718 | [SS_LAST_ACK] = "last-ack", |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 719 | [SS_LISTEN] = "listening", |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 720 | [SS_CLOSING] = "closing", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 721 | }; |
| 722 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 723 | struct sockstat { |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 724 | struct sockstat *next; |
| 725 | unsigned int type; |
Vadim Kochan | 89f634f | 2015-02-13 22:13:59 +0200 | [diff] [blame] | 726 | uint16_t prot; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 727 | inet_prefix local; |
| 728 | inet_prefix remote; |
| 729 | int lport; |
| 730 | int rport; |
| 731 | int state; |
| 732 | int rq, wq; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 733 | unsigned int ino; |
| 734 | unsigned int uid; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 735 | int refcnt; |
| 736 | unsigned int iface; |
| 737 | unsigned long long sk; |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 738 | char *name; |
| 739 | char *peer_name; |
Lorenzo Colitti | ec75249 | 2016-09-22 01:02:50 +0900 | [diff] [blame^] | 740 | __u32 mark; |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 741 | }; |
| 742 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 743 | struct dctcpstat { |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 744 | unsigned int ce_state; |
| 745 | unsigned int alpha; |
| 746 | unsigned int ab_ecn; |
| 747 | unsigned int ab_tot; |
| 748 | bool enabled; |
| 749 | }; |
| 750 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 751 | struct tcpstat { |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 752 | struct sockstat ss; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 753 | int timer; |
| 754 | int timeout; |
| 755 | int probes; |
Eric Dumazet | d2055ea | 2015-05-29 04:04:05 -0700 | [diff] [blame] | 756 | char cong_alg[16]; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 757 | double rto, ato, rtt, rttvar; |
| 758 | int qack, cwnd, ssthresh, backoff; |
| 759 | double send_bps; |
| 760 | int snd_wscale; |
| 761 | int rcv_wscale; |
| 762 | int mss; |
| 763 | unsigned int lastsnd; |
| 764 | unsigned int lastrcv; |
| 765 | unsigned int lastack; |
| 766 | double pacing_rate; |
| 767 | double pacing_rate_max; |
Eric Dumazet | 1a4dda7 | 2015-05-11 10:03:49 -0700 | [diff] [blame] | 768 | unsigned long long bytes_acked; |
| 769 | unsigned long long bytes_received; |
Craig Gallek | ecb435e | 2015-05-26 14:54:41 -0400 | [diff] [blame] | 770 | unsigned int segs_out; |
| 771 | unsigned int segs_in; |
Martin KaFai Lau | 414aeec | 2016-06-17 17:38:53 -0700 | [diff] [blame] | 772 | unsigned int data_segs_out; |
| 773 | unsigned int data_segs_in; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 774 | unsigned int unacked; |
| 775 | unsigned int retrans; |
| 776 | unsigned int retrans_total; |
| 777 | unsigned int lost; |
| 778 | unsigned int sacked; |
| 779 | unsigned int fackets; |
| 780 | unsigned int reordering; |
Stephen Hemminger | 9e99e49 | 2016-02-17 17:43:59 -0800 | [diff] [blame] | 781 | unsigned int not_sent; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 782 | double rcv_rtt; |
Stephen Hemminger | 9e99e49 | 2016-02-17 17:43:59 -0800 | [diff] [blame] | 783 | double min_rtt; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 784 | int rcv_space; |
| 785 | bool has_ts_opt; |
| 786 | bool has_sack_opt; |
| 787 | bool has_ecn_opt; |
| 788 | bool has_ecnseen_opt; |
| 789 | bool has_fastopen_opt; |
| 790 | bool has_wscale_opt; |
| 791 | struct dctcpstat *dctcp; |
Neal Cardwell | 2f0f9ae | 2016-09-20 22:43:44 -0400 | [diff] [blame] | 792 | struct tcp_bbr_info *bbr_info; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 793 | }; |
| 794 | |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 795 | static void sock_state_print(struct sockstat *s, const char *sock_name) |
| 796 | { |
| 797 | if (netid_width) |
| 798 | printf("%-*s ", netid_width, sock_name); |
| 799 | if (state_width) |
| 800 | printf("%-*s ", state_width, sstate_name[s->state]); |
| 801 | |
| 802 | printf("%-6d %-6d ", s->rq, s->wq); |
| 803 | } |
| 804 | |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 805 | static void sock_details_print(struct sockstat *s) |
| 806 | { |
| 807 | if (s->uid) |
| 808 | printf(" uid:%u", s->uid); |
| 809 | |
| 810 | printf(" ino:%u", s->ino); |
| 811 | printf(" sk:%llx", s->sk); |
Lorenzo Colitti | ec75249 | 2016-09-22 01:02:50 +0900 | [diff] [blame^] | 812 | |
| 813 | if (s->mark) |
| 814 | printf(" fwmark:0x%x", s->mark); |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 815 | } |
| 816 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 817 | static void sock_addr_print_width(int addr_len, const char *addr, char *delim, |
| 818 | int port_len, const char *port, const char *ifname) |
| 819 | { |
| 820 | if (ifname) { |
| 821 | printf("%*s%%%s%s%-*s ", addr_len, addr, ifname, delim, |
| 822 | port_len, port); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 823 | } else { |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 824 | printf("%*s%s%-*s ", addr_len, addr, delim, port_len, port); |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | static void sock_addr_print(const char *addr, char *delim, const char *port, |
| 829 | const char *ifname) |
| 830 | { |
| 831 | sock_addr_print_width(addr_width, addr, delim, serv_width, port, ifname); |
| 832 | } |
| 833 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 834 | static const char *tmr_name[] = { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 835 | "off", |
| 836 | "on", |
| 837 | "keepalive", |
| 838 | "timewait", |
| 839 | "persist", |
| 840 | "unknown" |
| 841 | }; |
| 842 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 843 | static const char *print_ms_timer(int timeout) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 844 | { |
| 845 | static char buf[64]; |
| 846 | int secs, msecs, minutes; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 847 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 848 | if (timeout < 0) |
| 849 | timeout = 0; |
| 850 | secs = timeout/1000; |
| 851 | minutes = secs/60; |
| 852 | secs = secs%60; |
| 853 | msecs = timeout%1000; |
| 854 | buf[0] = 0; |
| 855 | if (minutes) { |
| 856 | msecs = 0; |
| 857 | snprintf(buf, sizeof(buf)-16, "%dmin", minutes); |
| 858 | if (minutes > 9) |
| 859 | secs = 0; |
| 860 | } |
| 861 | if (secs) { |
| 862 | if (secs > 9) |
| 863 | msecs = 0; |
| 864 | sprintf(buf+strlen(buf), "%d%s", secs, msecs ? "." : "sec"); |
| 865 | } |
| 866 | if (msecs) |
| 867 | sprintf(buf+strlen(buf), "%03dms", msecs); |
| 868 | return buf; |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 869 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 870 | |
Eric Dumazet | 22588a0 | 2015-05-29 04:45:48 -0700 | [diff] [blame] | 871 | struct scache { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 872 | struct scache *next; |
| 873 | int port; |
| 874 | char *name; |
| 875 | const char *proto; |
| 876 | }; |
| 877 | |
| 878 | struct scache *rlist; |
| 879 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 880 | static void init_service_resolver(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 881 | { |
| 882 | char buf[128]; |
| 883 | FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r"); |
Phil Sutter | 596307e | 2015-11-28 01:00:02 +0100 | [diff] [blame] | 884 | |
| 885 | if (!fp) |
| 886 | return; |
| 887 | |
| 888 | if (!fgets(buf, sizeof(buf), fp)) { |
Thomas Jarosch | 2bcc3c1 | 2011-10-03 05:22:27 +0000 | [diff] [blame] | 889 | pclose(fp); |
Phil Sutter | 596307e | 2015-11-28 01:00:02 +0100 | [diff] [blame] | 890 | return; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 891 | } |
Phil Sutter | 596307e | 2015-11-28 01:00:02 +0100 | [diff] [blame] | 892 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
| 893 | unsigned int progn, port; |
| 894 | char proto[128], prog[128] = "rpc."; |
| 895 | struct scache *c; |
| 896 | |
| 897 | if (sscanf(buf, "%u %*d %s %u %s", |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 898 | &progn, proto, &port, prog+4) != 4) |
Phil Sutter | 596307e | 2015-11-28 01:00:02 +0100 | [diff] [blame] | 899 | continue; |
| 900 | |
| 901 | if (!(c = malloc(sizeof(*c)))) |
| 902 | continue; |
| 903 | |
| 904 | c->port = port; |
| 905 | c->name = strdup(prog); |
| 906 | if (strcmp(proto, TCP_PROTO) == 0) |
| 907 | c->proto = TCP_PROTO; |
| 908 | else if (strcmp(proto, UDP_PROTO) == 0) |
| 909 | c->proto = UDP_PROTO; |
| 910 | else |
| 911 | c->proto = NULL; |
| 912 | c->next = rlist; |
| 913 | rlist = c; |
| 914 | } |
| 915 | pclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 916 | } |
| 917 | |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 918 | /* Even do not try default linux ephemeral port ranges: |
| 919 | * default /etc/services contains so much of useless crap |
| 920 | * wouldbe "allocated" to this area that resolution |
| 921 | * is really harmful. I shrug each time when seeing |
| 922 | * "socks" or "cfinger" in dumps. |
| 923 | */ |
| 924 | static int is_ephemeral(int port) |
| 925 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 926 | static int min = 0, max; |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 927 | |
Phil Sutter | c29d379 | 2015-11-28 01:00:03 +0100 | [diff] [blame] | 928 | if (!min) { |
| 929 | FILE *f = ephemeral_ports_open(); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 930 | |
Phil Sutter | c29d379 | 2015-11-28 01:00:03 +0100 | [diff] [blame] | 931 | if (!f || fscanf(f, "%d %d", &min, &max) < 2) { |
| 932 | min = 1024; |
| 933 | max = 4999; |
| 934 | } |
| 935 | if (f) |
| 936 | fclose(f); |
| 937 | } |
| 938 | return port >= min && port <= max; |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 939 | } |
| 940 | |
| 941 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 942 | static const char *__resolve_service(int port) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 943 | { |
| 944 | struct scache *c; |
| 945 | |
| 946 | for (c = rlist; c; c = c->next) { |
| 947 | if (c->port == port && c->proto == dg_proto) |
| 948 | return c->name; |
| 949 | } |
| 950 | |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 951 | if (!is_ephemeral(port)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 952 | static int notfirst; |
| 953 | struct servent *se; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 954 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 955 | if (!notfirst) { |
| 956 | setservent(1); |
| 957 | notfirst = 1; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 958 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 959 | se = getservbyport(htons(port), dg_proto); |
| 960 | if (se) |
| 961 | return se->s_name; |
| 962 | } |
| 963 | |
| 964 | return NULL; |
| 965 | } |
| 966 | |
Eric Dumazet | 22588a0 | 2015-05-29 04:45:48 -0700 | [diff] [blame] | 967 | #define SCACHE_BUCKETS 1024 |
| 968 | static struct scache *cache_htab[SCACHE_BUCKETS]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 969 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 970 | static const char *resolve_service(int port) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 971 | { |
| 972 | static char buf[128]; |
Eric Dumazet | 22588a0 | 2015-05-29 04:45:48 -0700 | [diff] [blame] | 973 | struct scache *c; |
| 974 | const char *res; |
| 975 | int hash; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 976 | |
| 977 | if (port == 0) { |
| 978 | buf[0] = '*'; |
| 979 | buf[1] = 0; |
| 980 | return buf; |
| 981 | } |
| 982 | |
Eric Dumazet | 22588a0 | 2015-05-29 04:45:48 -0700 | [diff] [blame] | 983 | if (!resolve_services) |
| 984 | goto do_numeric; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 985 | |
Eric Dumazet | 22588a0 | 2015-05-29 04:45:48 -0700 | [diff] [blame] | 986 | if (dg_proto == RAW_PROTO) |
| 987 | return inet_proto_n2a(port, buf, sizeof(buf)); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 988 | |
Eric Dumazet | 22588a0 | 2015-05-29 04:45:48 -0700 | [diff] [blame] | 989 | |
| 990 | hash = (port^(((unsigned long)dg_proto)>>2)) % SCACHE_BUCKETS; |
| 991 | |
| 992 | for (c = cache_htab[hash]; c; c = c->next) { |
| 993 | if (c->port == port && c->proto == dg_proto) |
| 994 | goto do_cache; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 995 | } |
| 996 | |
Eric Dumazet | 22588a0 | 2015-05-29 04:45:48 -0700 | [diff] [blame] | 997 | c = malloc(sizeof(*c)); |
| 998 | if (!c) |
| 999 | goto do_numeric; |
| 1000 | res = __resolve_service(port); |
| 1001 | c->port = port; |
| 1002 | c->name = res ? strdup(res) : NULL; |
| 1003 | c->proto = dg_proto; |
| 1004 | c->next = cache_htab[hash]; |
| 1005 | cache_htab[hash] = c; |
| 1006 | |
| 1007 | do_cache: |
| 1008 | if (c->name) |
| 1009 | return c->name; |
| 1010 | |
| 1011 | do_numeric: |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1012 | sprintf(buf, "%u", port); |
| 1013 | return buf; |
| 1014 | } |
| 1015 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 1016 | static void inet_addr_print(const inet_prefix *a, int port, unsigned int ifindex) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1017 | { |
| 1018 | char buf[1024]; |
| 1019 | const char *ap = buf; |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 1020 | int est_len = addr_width; |
| 1021 | const char *ifname = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1022 | |
| 1023 | if (a->family == AF_INET) { |
| 1024 | if (a->data[0] == 0) { |
| 1025 | buf[0] = '*'; |
| 1026 | buf[1] = 0; |
| 1027 | } else { |
Phil Sutter | a418e45 | 2016-03-22 19:35:15 +0100 | [diff] [blame] | 1028 | ap = format_host(AF_INET, 4, a->data); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1029 | } |
| 1030 | } else { |
Phil Sutter | a418e45 | 2016-03-22 19:35:15 +0100 | [diff] [blame] | 1031 | ap = format_host(a->family, 16, a->data); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1032 | est_len = strlen(ap); |
| 1033 | if (est_len <= addr_width) |
| 1034 | est_len = addr_width; |
| 1035 | else |
| 1036 | est_len = addr_width + ((est_len-addr_width+3)/4)*4; |
| 1037 | } |
FX Le Bail | 7c8a3cf | 2014-02-11 10:06:23 +0100 | [diff] [blame] | 1038 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 1039 | if (ifindex) { |
| 1040 | ifname = ll_index_to_name(ifindex); |
| 1041 | est_len -= strlen(ifname) + 1; /* +1 for percent char */ |
Mike Saal | 4fcfb6b | 2015-08-26 11:59:17 -0400 | [diff] [blame] | 1042 | if (est_len < 0) |
| 1043 | est_len = 0; |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 1044 | } |
| 1045 | |
| 1046 | sock_addr_print_width(est_len, ap, ":", serv_width, resolve_service(port), |
| 1047 | ifname); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1048 | } |
| 1049 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1050 | struct aafilter { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1051 | inet_prefix addr; |
| 1052 | int port; |
David Ahern | 2d29321 | 2016-06-27 11:34:25 -0700 | [diff] [blame] | 1053 | unsigned int iface; |
Lorenzo Colitti | ec75249 | 2016-09-22 01:02:50 +0900 | [diff] [blame^] | 1054 | __u32 mark; |
| 1055 | __u32 mask; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1056 | struct aafilter *next; |
| 1057 | }; |
| 1058 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 1059 | static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p, |
| 1060 | int plen) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1061 | { |
| 1062 | if (!inet_addr_match(a, p, plen)) |
| 1063 | return 0; |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1064 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1065 | /* Cursed "v4 mapped" addresses: v4 mapped socket matches |
| 1066 | * pure IPv4 rule, but v4-mapped rule selects only v4-mapped |
| 1067 | * sockets. Fair? */ |
| 1068 | if (p->family == AF_INET && a->family == AF_INET6) { |
| 1069 | if (a->data[0] == 0 && a->data[1] == 0 && |
| 1070 | a->data[2] == htonl(0xffff)) { |
| 1071 | inet_prefix tmp = *a; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1072 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1073 | tmp.data[0] = a->data[3]; |
| 1074 | return inet_addr_match(&tmp, p, plen); |
| 1075 | } |
| 1076 | } |
| 1077 | return 1; |
| 1078 | } |
| 1079 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 1080 | static int unix_match(const inet_prefix *a, const inet_prefix *p) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1081 | { |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 1082 | char *addr, *pattern; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1083 | |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 1084 | memcpy(&addr, a->data, sizeof(addr)); |
| 1085 | memcpy(&pattern, p->data, sizeof(pattern)); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1086 | if (pattern == NULL) |
| 1087 | return 1; |
| 1088 | if (addr == NULL) |
| 1089 | addr = ""; |
| 1090 | return !fnmatch(pattern, addr, 0); |
| 1091 | } |
| 1092 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1093 | static int run_ssfilter(struct ssfilter *f, struct sockstat *s) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1094 | { |
| 1095 | switch (f->type) { |
| 1096 | case SSF_S_AUTO: |
| 1097 | { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1098 | if (s->local.family == AF_UNIX) { |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 1099 | char *p; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1100 | |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 1101 | memcpy(&p, s->local.data, sizeof(p)); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1102 | return p == NULL || (p[0] == '@' && strlen(p) == 6 && |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1103 | strspn(p+1, "0123456789abcdef") == 5); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1104 | } |
| 1105 | if (s->local.family == AF_PACKET) |
Maciej Żenczykowski | bbd303d | 2015-06-25 02:03:03 -0700 | [diff] [blame] | 1106 | return s->lport == 0 && s->local.data[0] == 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1107 | if (s->local.family == AF_NETLINK) |
| 1108 | return s->lport < 0; |
| 1109 | |
Phil Sutter | c29d379 | 2015-11-28 01:00:03 +0100 | [diff] [blame] | 1110 | return is_ephemeral(s->lport); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1111 | } |
| 1112 | case SSF_DCOND: |
| 1113 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1114 | struct aafilter *a = (void *)f->pred; |
| 1115 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1116 | if (a->addr.family == AF_UNIX) |
| 1117 | return unix_match(&s->remote, &a->addr); |
| 1118 | if (a->port != -1 && a->port != s->rport) |
| 1119 | return 0; |
| 1120 | if (a->addr.bitlen) { |
| 1121 | do { |
| 1122 | if (!inet2_addr_match(&s->remote, &a->addr, a->addr.bitlen)) |
| 1123 | return 1; |
| 1124 | } while ((a = a->next) != NULL); |
| 1125 | return 0; |
| 1126 | } |
| 1127 | return 1; |
| 1128 | } |
| 1129 | case SSF_SCOND: |
| 1130 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1131 | struct aafilter *a = (void *)f->pred; |
| 1132 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1133 | if (a->addr.family == AF_UNIX) |
| 1134 | return unix_match(&s->local, &a->addr); |
| 1135 | if (a->port != -1 && a->port != s->lport) |
| 1136 | return 0; |
| 1137 | if (a->addr.bitlen) { |
| 1138 | do { |
| 1139 | if (!inet2_addr_match(&s->local, &a->addr, a->addr.bitlen)) |
| 1140 | return 1; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1141 | } while ((a = a->next) != NULL); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1142 | return 0; |
| 1143 | } |
| 1144 | return 1; |
| 1145 | } |
| 1146 | case SSF_D_GE: |
| 1147 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1148 | struct aafilter *a = (void *)f->pred; |
| 1149 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1150 | return s->rport >= a->port; |
| 1151 | } |
| 1152 | case SSF_D_LE: |
| 1153 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1154 | struct aafilter *a = (void *)f->pred; |
| 1155 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1156 | return s->rport <= a->port; |
| 1157 | } |
| 1158 | case SSF_S_GE: |
| 1159 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1160 | struct aafilter *a = (void *)f->pred; |
| 1161 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1162 | return s->lport >= a->port; |
| 1163 | } |
| 1164 | case SSF_S_LE: |
| 1165 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1166 | struct aafilter *a = (void *)f->pred; |
| 1167 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1168 | return s->lport <= a->port; |
| 1169 | } |
David Ahern | 2d29321 | 2016-06-27 11:34:25 -0700 | [diff] [blame] | 1170 | case SSF_DEVCOND: |
| 1171 | { |
| 1172 | struct aafilter *a = (void *)f->pred; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1173 | |
David Ahern | 2d29321 | 2016-06-27 11:34:25 -0700 | [diff] [blame] | 1174 | return s->iface == a->iface; |
| 1175 | } |
Lorenzo Colitti | ec75249 | 2016-09-22 01:02:50 +0900 | [diff] [blame^] | 1176 | case SSF_MARKMASK: |
| 1177 | { |
| 1178 | struct aafilter *a = (void *)f->pred; |
| 1179 | |
| 1180 | return (s->mark & a->mask) == a->mark; |
| 1181 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1182 | /* Yup. It is recursion. Sorry. */ |
| 1183 | case SSF_AND: |
| 1184 | return run_ssfilter(f->pred, s) && run_ssfilter(f->post, s); |
| 1185 | case SSF_OR: |
| 1186 | return run_ssfilter(f->pred, s) || run_ssfilter(f->post, s); |
| 1187 | case SSF_NOT: |
| 1188 | return !run_ssfilter(f->pred, s); |
| 1189 | default: |
| 1190 | abort(); |
| 1191 | } |
| 1192 | } |
| 1193 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1194 | /* Relocate external jumps by reloc. */ |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1195 | static void ssfilter_patch(char *a, int len, int reloc) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1196 | { |
| 1197 | while (len > 0) { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1198 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)a; |
| 1199 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1200 | if (op->no == len+4) |
| 1201 | op->no += reloc; |
| 1202 | len -= op->yes; |
| 1203 | a += op->yes; |
| 1204 | } |
| 1205 | if (len < 0) |
| 1206 | abort(); |
| 1207 | } |
| 1208 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1209 | static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1210 | { |
| 1211 | switch (f->type) { |
| 1212 | case SSF_S_AUTO: |
| 1213 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1214 | if (!(*bytecode = malloc(4))) abort(); |
| 1215 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 }; |
Eric Dumazet | df39de8 | 2011-06-20 14:31:51 -0700 | [diff] [blame] | 1216 | return 4; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1217 | } |
| 1218 | case SSF_DCOND: |
| 1219 | case SSF_SCOND: |
| 1220 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1221 | struct aafilter *a = (void *)f->pred; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1222 | struct aafilter *b; |
| 1223 | char *ptr; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1224 | int code = (f->type == SSF_DCOND ? INET_DIAG_BC_D_COND : INET_DIAG_BC_S_COND); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1225 | int len = 0; |
| 1226 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1227 | for (b = a; b; b = b->next) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1228 | len += 4 + sizeof(struct inet_diag_hostcond); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1229 | if (a->addr.family == AF_INET6) |
| 1230 | len += 16; |
| 1231 | else |
| 1232 | len += 4; |
| 1233 | if (b->next) |
| 1234 | len += 4; |
| 1235 | } |
| 1236 | if (!(ptr = malloc(len))) abort(); |
| 1237 | *bytecode = ptr; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1238 | for (b = a; b; b = b->next) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1239 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)ptr; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1240 | int alen = (a->addr.family == AF_INET6 ? 16 : 4); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1241 | int oplen = alen + 4 + sizeof(struct inet_diag_hostcond); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1242 | struct inet_diag_hostcond *cond = (struct inet_diag_hostcond *)(ptr+4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1243 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1244 | *op = (struct inet_diag_bc_op){ code, oplen, oplen+4 }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1245 | cond->family = a->addr.family; |
| 1246 | cond->port = a->port; |
| 1247 | cond->prefix_len = a->addr.bitlen; |
| 1248 | memcpy(cond->addr, a->addr.data, alen); |
| 1249 | ptr += oplen; |
| 1250 | if (b->next) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1251 | op = (struct inet_diag_bc_op *)ptr; |
| 1252 | *op = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, len - (ptr-*bytecode)}; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1253 | ptr += 4; |
| 1254 | } |
| 1255 | } |
| 1256 | return ptr - *bytecode; |
| 1257 | } |
| 1258 | case SSF_D_GE: |
| 1259 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1260 | struct aafilter *x = (void *)f->pred; |
| 1261 | |
| 1262 | if (!(*bytecode = malloc(8))) abort(); |
| 1263 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_GE, 8, 12 }; |
| 1264 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1265 | return 8; |
| 1266 | } |
| 1267 | case SSF_D_LE: |
| 1268 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1269 | struct aafilter *x = (void *)f->pred; |
| 1270 | |
| 1271 | if (!(*bytecode = malloc(8))) abort(); |
| 1272 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_LE, 8, 12 }; |
| 1273 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1274 | return 8; |
| 1275 | } |
| 1276 | case SSF_S_GE: |
| 1277 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1278 | struct aafilter *x = (void *)f->pred; |
| 1279 | |
| 1280 | if (!(*bytecode = malloc(8))) abort(); |
| 1281 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_GE, 8, 12 }; |
| 1282 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1283 | return 8; |
| 1284 | } |
| 1285 | case SSF_S_LE: |
| 1286 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1287 | struct aafilter *x = (void *)f->pred; |
| 1288 | |
| 1289 | if (!(*bytecode = malloc(8))) abort(); |
| 1290 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_LE, 8, 12 }; |
| 1291 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1292 | return 8; |
| 1293 | } |
| 1294 | |
| 1295 | case SSF_AND: |
| 1296 | { |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 1297 | char *a1 = NULL, *a2 = NULL, *a; |
Andreas Henriksson | 2a4fa1c | 2013-11-13 09:46:42 +0100 | [diff] [blame] | 1298 | int l1, l2; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1299 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1300 | l1 = ssfilter_bytecompile(f->pred, &a1); |
| 1301 | l2 = ssfilter_bytecompile(f->post, &a2); |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 1302 | if (!l1 || !l2) { |
| 1303 | free(a1); |
| 1304 | free(a2); |
| 1305 | return 0; |
| 1306 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1307 | if (!(a = malloc(l1+l2))) abort(); |
| 1308 | memcpy(a, a1, l1); |
| 1309 | memcpy(a+l1, a2, l2); |
| 1310 | free(a1); free(a2); |
| 1311 | ssfilter_patch(a, l1, l2); |
| 1312 | *bytecode = a; |
| 1313 | return l1+l2; |
| 1314 | } |
| 1315 | case SSF_OR: |
| 1316 | { |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 1317 | char *a1 = NULL, *a2 = NULL, *a; |
Andreas Henriksson | 2a4fa1c | 2013-11-13 09:46:42 +0100 | [diff] [blame] | 1318 | int l1, l2; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1319 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1320 | l1 = ssfilter_bytecompile(f->pred, &a1); |
| 1321 | l2 = ssfilter_bytecompile(f->post, &a2); |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 1322 | if (!l1 || !l2) { |
| 1323 | free(a1); |
| 1324 | free(a2); |
| 1325 | return 0; |
| 1326 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1327 | if (!(a = malloc(l1+l2+4))) abort(); |
| 1328 | memcpy(a, a1, l1); |
| 1329 | memcpy(a+l1+4, a2, l2); |
| 1330 | free(a1); free(a2); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1331 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, l2+4 }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1332 | *bytecode = a; |
| 1333 | return l1+l2+4; |
| 1334 | } |
| 1335 | case SSF_NOT: |
| 1336 | { |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 1337 | char *a1 = NULL, *a; |
Andreas Henriksson | 2a4fa1c | 2013-11-13 09:46:42 +0100 | [diff] [blame] | 1338 | int l1; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1339 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1340 | l1 = ssfilter_bytecompile(f->pred, &a1); |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 1341 | if (!l1) { |
| 1342 | free(a1); |
| 1343 | return 0; |
| 1344 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1345 | if (!(a = malloc(l1+4))) abort(); |
| 1346 | memcpy(a, a1, l1); |
| 1347 | free(a1); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1348 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, 8 }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1349 | *bytecode = a; |
| 1350 | return l1+4; |
| 1351 | } |
David Ahern | 2d29321 | 2016-06-27 11:34:25 -0700 | [diff] [blame] | 1352 | case SSF_DEVCOND: |
| 1353 | { |
| 1354 | /* bytecompile for SSF_DEVCOND not supported yet */ |
| 1355 | return 0; |
| 1356 | } |
Lorenzo Colitti | ec75249 | 2016-09-22 01:02:50 +0900 | [diff] [blame^] | 1357 | case SSF_MARKMASK: |
| 1358 | { |
| 1359 | struct aafilter *a = (void *)f->pred; |
| 1360 | struct instr { |
| 1361 | struct inet_diag_bc_op op; |
| 1362 | struct inet_diag_markcond cond; |
| 1363 | }; |
| 1364 | int inslen = sizeof(struct instr); |
| 1365 | |
| 1366 | if (!(*bytecode = malloc(inslen))) abort(); |
| 1367 | ((struct instr *)*bytecode)[0] = (struct instr) { |
| 1368 | { INET_DIAG_BC_MARK_COND, inslen, inslen + 4 }, |
| 1369 | { a->mark, a->mask}, |
| 1370 | }; |
| 1371 | |
| 1372 | return inslen; |
| 1373 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1374 | default: |
| 1375 | abort(); |
| 1376 | } |
| 1377 | } |
| 1378 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1379 | static int remember_he(struct aafilter *a, struct hostent *he) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1380 | { |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1381 | char **ptr = he->h_addr_list; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1382 | int cnt = 0; |
| 1383 | int len; |
| 1384 | |
| 1385 | if (he->h_addrtype == AF_INET) |
| 1386 | len = 4; |
| 1387 | else if (he->h_addrtype == AF_INET6) |
| 1388 | len = 16; |
| 1389 | else |
| 1390 | return 0; |
| 1391 | |
| 1392 | while (*ptr) { |
| 1393 | struct aafilter *b = a; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1394 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1395 | if (a->addr.bitlen) { |
| 1396 | if ((b = malloc(sizeof(*b))) == NULL) |
| 1397 | return cnt; |
| 1398 | *b = *a; |
| 1399 | b->next = a->next; |
| 1400 | a->next = b; |
| 1401 | } |
| 1402 | memcpy(b->addr.data, *ptr, len); |
| 1403 | b->addr.bytelen = len; |
| 1404 | b->addr.bitlen = len*8; |
| 1405 | b->addr.family = he->h_addrtype; |
| 1406 | ptr++; |
| 1407 | cnt++; |
| 1408 | } |
| 1409 | return cnt; |
| 1410 | } |
| 1411 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1412 | static int get_dns_host(struct aafilter *a, const char *addr, int fam) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1413 | { |
| 1414 | static int notfirst; |
| 1415 | int cnt = 0; |
| 1416 | struct hostent *he; |
| 1417 | |
| 1418 | a->addr.bitlen = 0; |
| 1419 | if (!notfirst) { |
| 1420 | sethostent(1); |
| 1421 | notfirst = 1; |
| 1422 | } |
| 1423 | he = gethostbyname2(addr, fam == AF_UNSPEC ? AF_INET : fam); |
| 1424 | if (he) |
| 1425 | cnt = remember_he(a, he); |
| 1426 | if (fam == AF_UNSPEC) { |
| 1427 | he = gethostbyname2(addr, AF_INET6); |
| 1428 | if (he) |
| 1429 | cnt += remember_he(a, he); |
| 1430 | } |
| 1431 | return !cnt; |
| 1432 | } |
| 1433 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1434 | static int xll_initted; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1435 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1436 | static void xll_init(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1437 | { |
| 1438 | struct rtnl_handle rth; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1439 | |
Stephen Hemminger | d2468da | 2013-12-20 08:15:02 -0800 | [diff] [blame] | 1440 | if (rtnl_open(&rth, 0) < 0) |
| 1441 | exit(1); |
| 1442 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1443 | ll_init_map(&rth); |
| 1444 | rtnl_close(&rth); |
| 1445 | xll_initted = 1; |
| 1446 | } |
| 1447 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1448 | static const char *xll_index_to_name(int index) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1449 | { |
| 1450 | if (!xll_initted) |
| 1451 | xll_init(); |
| 1452 | return ll_index_to_name(index); |
| 1453 | } |
| 1454 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1455 | static int xll_name_to_index(const char *dev) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1456 | { |
| 1457 | if (!xll_initted) |
| 1458 | xll_init(); |
| 1459 | return ll_name_to_index(dev); |
| 1460 | } |
| 1461 | |
David Ahern | 2d29321 | 2016-06-27 11:34:25 -0700 | [diff] [blame] | 1462 | void *parse_devcond(char *name) |
| 1463 | { |
| 1464 | struct aafilter a = { .iface = 0 }; |
| 1465 | struct aafilter *res; |
| 1466 | |
| 1467 | a.iface = xll_name_to_index(name); |
| 1468 | if (a.iface == 0) { |
| 1469 | char *end; |
David Ahern | 930d3f2 | 2016-07-15 15:41:35 -0700 | [diff] [blame] | 1470 | unsigned long n; |
David Ahern | 2d29321 | 2016-06-27 11:34:25 -0700 | [diff] [blame] | 1471 | |
David Ahern | 930d3f2 | 2016-07-15 15:41:35 -0700 | [diff] [blame] | 1472 | n = strtoul(name, &end, 0); |
| 1473 | if (!end || end == name || *end || n > UINT_MAX) |
David Ahern | 2d29321 | 2016-06-27 11:34:25 -0700 | [diff] [blame] | 1474 | return NULL; |
David Ahern | 930d3f2 | 2016-07-15 15:41:35 -0700 | [diff] [blame] | 1475 | |
| 1476 | a.iface = n; |
David Ahern | 2d29321 | 2016-06-27 11:34:25 -0700 | [diff] [blame] | 1477 | } |
| 1478 | |
| 1479 | res = malloc(sizeof(*res)); |
| 1480 | *res = a; |
| 1481 | |
| 1482 | return res; |
| 1483 | } |
| 1484 | |
Vadim Kochan | 7871f7d | 2015-02-27 23:54:36 +0200 | [diff] [blame] | 1485 | void *parse_hostcond(char *addr, bool is_port) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1486 | { |
| 1487 | char *port = NULL; |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1488 | struct aafilter a = { .port = -1 }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1489 | struct aafilter *res; |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1490 | int fam = preferred_family; |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 1491 | struct filter *f = ¤t_filter; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1492 | |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1493 | if (fam == AF_UNIX || strncmp(addr, "unix:", 5) == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1494 | char *p; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1495 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1496 | a.addr.family = AF_UNIX; |
| 1497 | if (strncmp(addr, "unix:", 5) == 0) |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1498 | addr += 5; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1499 | p = strdup(addr); |
| 1500 | a.addr.bitlen = 8*strlen(p); |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 1501 | memcpy(a.addr.data, &p, sizeof(p)); |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 1502 | fam = AF_UNIX; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1503 | goto out; |
| 1504 | } |
| 1505 | |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1506 | if (fam == AF_PACKET || strncmp(addr, "link:", 5) == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1507 | a.addr.family = AF_PACKET; |
| 1508 | a.addr.bitlen = 0; |
| 1509 | if (strncmp(addr, "link:", 5) == 0) |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1510 | addr += 5; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1511 | port = strchr(addr, ':'); |
| 1512 | if (port) { |
| 1513 | *port = 0; |
| 1514 | if (port[1] && strcmp(port+1, "*")) { |
| 1515 | if (get_integer(&a.port, port+1, 0)) { |
| 1516 | if ((a.port = xll_name_to_index(port+1)) <= 0) |
| 1517 | return NULL; |
| 1518 | } |
| 1519 | } |
| 1520 | } |
| 1521 | if (addr[0] && strcmp(addr, "*")) { |
| 1522 | unsigned short tmp; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1523 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1524 | a.addr.bitlen = 32; |
| 1525 | if (ll_proto_a2n(&tmp, addr)) |
| 1526 | return NULL; |
| 1527 | a.addr.data[0] = ntohs(tmp); |
| 1528 | } |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 1529 | fam = AF_PACKET; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1530 | goto out; |
| 1531 | } |
| 1532 | |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1533 | if (fam == AF_NETLINK || strncmp(addr, "netlink:", 8) == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1534 | a.addr.family = AF_NETLINK; |
| 1535 | a.addr.bitlen = 0; |
| 1536 | if (strncmp(addr, "netlink:", 8) == 0) |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1537 | addr += 8; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1538 | port = strchr(addr, ':'); |
| 1539 | if (port) { |
| 1540 | *port = 0; |
| 1541 | if (port[1] && strcmp(port+1, "*")) { |
| 1542 | if (get_integer(&a.port, port+1, 0)) { |
| 1543 | if (strcmp(port+1, "kernel") == 0) |
| 1544 | a.port = 0; |
| 1545 | else |
| 1546 | return NULL; |
| 1547 | } |
| 1548 | } |
| 1549 | } |
| 1550 | if (addr[0] && strcmp(addr, "*")) { |
| 1551 | a.addr.bitlen = 32; |
vadimk | b00daf6 | 2014-12-06 02:52:19 +0200 | [diff] [blame] | 1552 | if (nl_proto_a2n(&a.addr.data[0], addr) == -1) |
| 1553 | return NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1554 | } |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 1555 | fam = AF_NETLINK; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1556 | goto out; |
| 1557 | } |
| 1558 | |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1559 | if (fam == AF_INET || !strncmp(addr, "inet:", 5)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1560 | fam = AF_INET; |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1561 | if (!strncmp(addr, "inet:", 5)) |
| 1562 | addr += 5; |
| 1563 | } else if (fam == AF_INET6 || !strncmp(addr, "inet6:", 6)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1564 | fam = AF_INET6; |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1565 | if (!strncmp(addr, "inet6:", 6)) |
| 1566 | addr += 6; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1567 | } |
| 1568 | |
| 1569 | /* URL-like literal [] */ |
| 1570 | if (addr[0] == '[') { |
| 1571 | addr++; |
| 1572 | if ((port = strchr(addr, ']')) == NULL) |
| 1573 | return NULL; |
| 1574 | *port++ = 0; |
| 1575 | } else if (addr[0] == '*') { |
| 1576 | port = addr+1; |
| 1577 | } else { |
| 1578 | port = strrchr(strchr(addr, '/') ? : addr, ':'); |
| 1579 | } |
Vadim Kochan | 7871f7d | 2015-02-27 23:54:36 +0200 | [diff] [blame] | 1580 | |
| 1581 | if (is_port) |
| 1582 | port = addr; |
| 1583 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1584 | if (port && *port) { |
Vadim Kochan | 7871f7d | 2015-02-27 23:54:36 +0200 | [diff] [blame] | 1585 | if (*port == ':') |
| 1586 | *port++ = 0; |
| 1587 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1588 | if (*port && *port != '*') { |
| 1589 | if (get_integer(&a.port, port, 0)) { |
| 1590 | struct servent *se1 = NULL; |
| 1591 | struct servent *se2 = NULL; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1592 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1593 | if (current_filter.dbs&(1<<UDP_DB)) |
| 1594 | se1 = getservbyname(port, UDP_PROTO); |
| 1595 | if (current_filter.dbs&(1<<TCP_DB)) |
| 1596 | se2 = getservbyname(port, TCP_PROTO); |
| 1597 | if (se1 && se2 && se1->s_port != se2->s_port) { |
| 1598 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); |
| 1599 | return NULL; |
| 1600 | } |
| 1601 | if (!se1) |
| 1602 | se1 = se2; |
| 1603 | if (se1) { |
| 1604 | a.port = ntohs(se1->s_port); |
| 1605 | } else { |
| 1606 | struct scache *s; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1607 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1608 | for (s = rlist; s; s = s->next) { |
| 1609 | if ((s->proto == UDP_PROTO && |
| 1610 | (current_filter.dbs&(1<<UDP_DB))) || |
| 1611 | (s->proto == TCP_PROTO && |
| 1612 | (current_filter.dbs&(1<<TCP_DB)))) { |
| 1613 | if (s->name && strcmp(s->name, port) == 0) { |
| 1614 | if (a.port > 0 && a.port != s->port) { |
| 1615 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); |
| 1616 | return NULL; |
| 1617 | } |
| 1618 | a.port = s->port; |
| 1619 | } |
| 1620 | } |
| 1621 | } |
| 1622 | if (a.port <= 0) { |
| 1623 | fprintf(stderr, "Error: \"%s\" does not look like a port.\n", port); |
| 1624 | return NULL; |
| 1625 | } |
| 1626 | } |
| 1627 | } |
| 1628 | } |
| 1629 | } |
Vadim Kochan | 7871f7d | 2015-02-27 23:54:36 +0200 | [diff] [blame] | 1630 | if (!is_port && addr && *addr && *addr != '*') { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1631 | if (get_prefix_1(&a.addr, addr, fam)) { |
| 1632 | if (get_dns_host(&a, addr, fam)) { |
| 1633 | fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", addr); |
| 1634 | return NULL; |
| 1635 | } |
| 1636 | } |
| 1637 | } |
| 1638 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 1639 | out: |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1640 | if (fam != AF_UNSPEC) { |
Phil Sutter | e56a959 | 2016-04-13 22:07:05 +0200 | [diff] [blame] | 1641 | int states = f->states; |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1642 | f->families = 0; |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 1643 | filter_af_set(f, fam); |
Phil Sutter | e56a959 | 2016-04-13 22:07:05 +0200 | [diff] [blame] | 1644 | filter_states_set(f, states); |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 1645 | } |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 1646 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1647 | res = malloc(sizeof(*res)); |
| 1648 | if (res) |
| 1649 | memcpy(res, &a, sizeof(a)); |
| 1650 | return res; |
| 1651 | } |
| 1652 | |
Lorenzo Colitti | ec75249 | 2016-09-22 01:02:50 +0900 | [diff] [blame^] | 1653 | void *parse_markmask(const char *markmask) |
| 1654 | { |
| 1655 | struct aafilter a, *res; |
| 1656 | |
| 1657 | if (strchr(markmask, '/')) { |
| 1658 | if (sscanf(markmask, "%i/%i", &a.mark, &a.mask) != 2) |
| 1659 | return NULL; |
| 1660 | } else { |
| 1661 | a.mask = 0xffffffff; |
| 1662 | if (sscanf(markmask, "%i", &a.mark) != 1) |
| 1663 | return NULL; |
| 1664 | } |
| 1665 | |
| 1666 | res = malloc(sizeof(*res)); |
| 1667 | if (res) |
| 1668 | memcpy(res, &a, sizeof(a)); |
| 1669 | return res; |
| 1670 | } |
| 1671 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1672 | static char *proto_name(int protocol) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1673 | { |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1674 | switch (protocol) { |
Nikolay Aleksandrov | 235c445 | 2015-07-15 05:50:42 -0700 | [diff] [blame] | 1675 | case 0: |
| 1676 | return "raw"; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1677 | case IPPROTO_UDP: |
| 1678 | return "udp"; |
| 1679 | case IPPROTO_TCP: |
| 1680 | return "tcp"; |
| 1681 | case IPPROTO_DCCP: |
| 1682 | return "dccp"; |
| 1683 | } |
| 1684 | |
| 1685 | return "???"; |
| 1686 | } |
| 1687 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1688 | static void inet_stats_print(struct sockstat *s, int protocol) |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1689 | { |
| 1690 | char *buf = NULL; |
| 1691 | |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 1692 | sock_state_print(s, proto_name(protocol)); |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1693 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 1694 | inet_addr_print(&s->local, s->lport, s->iface); |
| 1695 | inet_addr_print(&s->remote, s->rport, 0); |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1696 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1697 | if (show_proc_ctx || show_sock_ctx) { |
| 1698 | if (find_entry(s->ino, &buf, |
| 1699 | (show_proc_ctx & show_sock_ctx) ? |
| 1700 | PROC_SOCK_CTX : PROC_CTX) > 0) { |
| 1701 | printf(" users:(%s)", buf); |
| 1702 | free(buf); |
| 1703 | } |
| 1704 | } else if (show_users) { |
| 1705 | if (find_entry(s->ino, &buf, USERS) > 0) { |
| 1706 | printf(" users:(%s)", buf); |
| 1707 | free(buf); |
| 1708 | } |
| 1709 | } |
| 1710 | } |
| 1711 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1712 | static int proc_parse_inet_addr(char *loc, char *rem, int family, struct |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1713 | sockstat * s) |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1714 | { |
| 1715 | s->local.family = s->remote.family = family; |
| 1716 | if (family == AF_INET) { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1717 | sscanf(loc, "%x:%x", s->local.data, (unsigned *)&s->lport); |
| 1718 | sscanf(rem, "%x:%x", s->remote.data, (unsigned *)&s->rport); |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1719 | s->local.bytelen = s->remote.bytelen = 4; |
| 1720 | return 0; |
| 1721 | } else { |
| 1722 | sscanf(loc, "%08x%08x%08x%08x:%x", |
| 1723 | s->local.data, |
| 1724 | s->local.data + 1, |
| 1725 | s->local.data + 2, |
| 1726 | s->local.data + 3, |
| 1727 | &s->lport); |
| 1728 | sscanf(rem, "%08x%08x%08x%08x:%x", |
| 1729 | s->remote.data, |
| 1730 | s->remote.data + 1, |
| 1731 | s->remote.data + 2, |
| 1732 | s->remote.data + 3, |
| 1733 | &s->rport); |
| 1734 | s->local.bytelen = s->remote.bytelen = 16; |
| 1735 | return 0; |
| 1736 | } |
| 1737 | return -1; |
| 1738 | } |
| 1739 | |
| 1740 | static int proc_inet_split_line(char *line, char **loc, char **rem, char **data) |
| 1741 | { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1742 | char *p; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1743 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1744 | if ((p = strchr(line, ':')) == NULL) |
| 1745 | return -1; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1746 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1747 | *loc = p+2; |
| 1748 | if ((p = strchr(*loc, ':')) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1749 | return -1; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1750 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1751 | p[5] = 0; |
| 1752 | *rem = p+6; |
| 1753 | if ((p = strchr(*rem, ':')) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1754 | return -1; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1755 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1756 | p[5] = 0; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1757 | *data = p+6; |
| 1758 | return 0; |
| 1759 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1760 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1761 | static char *sprint_bw(char *buf, double bw) |
| 1762 | { |
| 1763 | if (bw > 1000000.) |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1764 | sprintf(buf, "%.1fM", bw / 1000000.); |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1765 | else if (bw > 1000.) |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1766 | sprintf(buf, "%.1fK", bw / 1000.); |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1767 | else |
| 1768 | sprintf(buf, "%g", bw); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1769 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1770 | return buf; |
| 1771 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1772 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1773 | static void tcp_stats_print(struct tcpstat *s) |
| 1774 | { |
| 1775 | char b1[64]; |
| 1776 | |
| 1777 | if (s->has_ts_opt) |
| 1778 | printf(" ts"); |
| 1779 | if (s->has_sack_opt) |
| 1780 | printf(" sack"); |
| 1781 | if (s->has_ecn_opt) |
| 1782 | printf(" ecn"); |
| 1783 | if (s->has_ecnseen_opt) |
| 1784 | printf(" ecnseen"); |
| 1785 | if (s->has_fastopen_opt) |
| 1786 | printf(" fastopen"); |
Eric Dumazet | d2055ea | 2015-05-29 04:04:05 -0700 | [diff] [blame] | 1787 | if (s->cong_alg[0]) |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1788 | printf(" %s", s->cong_alg); |
| 1789 | if (s->has_wscale_opt) |
| 1790 | printf(" wscale:%d,%d", s->snd_wscale, s->rcv_wscale); |
| 1791 | if (s->rto) |
| 1792 | printf(" rto:%g", s->rto); |
| 1793 | if (s->backoff) |
| 1794 | printf(" backoff:%u", s->backoff); |
| 1795 | if (s->rtt) |
| 1796 | printf(" rtt:%g/%g", s->rtt, s->rttvar); |
| 1797 | if (s->ato) |
| 1798 | printf(" ato:%g", s->ato); |
| 1799 | |
| 1800 | if (s->qack) |
| 1801 | printf(" qack:%d", s->qack); |
| 1802 | if (s->qack & 1) |
| 1803 | printf(" bidir"); |
| 1804 | |
| 1805 | if (s->mss) |
| 1806 | printf(" mss:%d", s->mss); |
Eric Dumazet | 3bf5445 | 2015-05-08 13:28:40 -0700 | [diff] [blame] | 1807 | if (s->cwnd) |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1808 | printf(" cwnd:%d", s->cwnd); |
| 1809 | if (s->ssthresh) |
| 1810 | printf(" ssthresh:%d", s->ssthresh); |
| 1811 | |
Eric Dumazet | 1a4dda7 | 2015-05-11 10:03:49 -0700 | [diff] [blame] | 1812 | if (s->bytes_acked) |
| 1813 | printf(" bytes_acked:%llu", s->bytes_acked); |
| 1814 | if (s->bytes_received) |
| 1815 | printf(" bytes_received:%llu", s->bytes_received); |
Craig Gallek | ecb435e | 2015-05-26 14:54:41 -0400 | [diff] [blame] | 1816 | if (s->segs_out) |
| 1817 | printf(" segs_out:%u", s->segs_out); |
| 1818 | if (s->segs_in) |
| 1819 | printf(" segs_in:%u", s->segs_in); |
Martin KaFai Lau | 414aeec | 2016-06-17 17:38:53 -0700 | [diff] [blame] | 1820 | if (s->data_segs_out) |
| 1821 | printf(" data_segs_out:%u", s->data_segs_out); |
| 1822 | if (s->data_segs_in) |
| 1823 | printf(" data_segs_in:%u", s->data_segs_in); |
Eric Dumazet | 1a4dda7 | 2015-05-11 10:03:49 -0700 | [diff] [blame] | 1824 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1825 | if (s->dctcp && s->dctcp->enabled) { |
| 1826 | struct dctcpstat *dctcp = s->dctcp; |
| 1827 | |
Eric Dumazet | 3bf5445 | 2015-05-08 13:28:40 -0700 | [diff] [blame] | 1828 | printf(" dctcp:(ce_state:%u,alpha:%u,ab_ecn:%u,ab_tot:%u)", |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1829 | dctcp->ce_state, dctcp->alpha, dctcp->ab_ecn, |
| 1830 | dctcp->ab_tot); |
| 1831 | } else if (s->dctcp) { |
Eric Dumazet | 3bf5445 | 2015-05-08 13:28:40 -0700 | [diff] [blame] | 1832 | printf(" dctcp:fallback_mode"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1833 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1834 | |
Neal Cardwell | 2f0f9ae | 2016-09-20 22:43:44 -0400 | [diff] [blame] | 1835 | if (s->bbr_info) { |
| 1836 | __u64 bw; |
| 1837 | |
| 1838 | bw = s->bbr_info->bbr_bw_hi; |
| 1839 | bw <<= 32; |
| 1840 | bw |= s->bbr_info->bbr_bw_lo; |
| 1841 | |
| 1842 | printf(" bbr:(bw:%sbps,mrtt:%g", |
| 1843 | sprint_bw(b1, bw * 8.0), |
| 1844 | (double)s->bbr_info->bbr_min_rtt / 1000.0); |
| 1845 | if (s->bbr_info->bbr_pacing_gain) |
| 1846 | printf(",pacing_gain:%g", |
| 1847 | (double)s->bbr_info->bbr_pacing_gain / 256.0); |
| 1848 | if (s->bbr_info->bbr_cwnd_gain) |
| 1849 | printf(",cwnd_gain:%g", |
| 1850 | (double)s->bbr_info->bbr_cwnd_gain / 256.0); |
| 1851 | printf(")"); |
| 1852 | } |
| 1853 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1854 | if (s->send_bps) |
| 1855 | printf(" send %sbps", sprint_bw(b1, s->send_bps)); |
| 1856 | if (s->lastsnd) |
| 1857 | printf(" lastsnd:%u", s->lastsnd); |
| 1858 | if (s->lastrcv) |
| 1859 | printf(" lastrcv:%u", s->lastrcv); |
| 1860 | if (s->lastack) |
| 1861 | printf(" lastack:%u", s->lastack); |
| 1862 | |
| 1863 | if (s->pacing_rate) { |
| 1864 | printf(" pacing_rate %sbps", sprint_bw(b1, s->pacing_rate)); |
| 1865 | if (s->pacing_rate_max) |
| 1866 | printf("/%sbps", sprint_bw(b1, |
| 1867 | s->pacing_rate_max)); |
| 1868 | } |
| 1869 | |
| 1870 | if (s->unacked) |
| 1871 | printf(" unacked:%u", s->unacked); |
| 1872 | if (s->retrans || s->retrans_total) |
| 1873 | printf(" retrans:%u/%u", s->retrans, s->retrans_total); |
| 1874 | if (s->lost) |
| 1875 | printf(" lost:%u", s->lost); |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1876 | if (s->sacked && s->ss.state != SS_LISTEN) |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1877 | printf(" sacked:%u", s->sacked); |
| 1878 | if (s->fackets) |
| 1879 | printf(" fackets:%u", s->fackets); |
| 1880 | if (s->reordering != 3) |
| 1881 | printf(" reordering:%d", s->reordering); |
| 1882 | if (s->rcv_rtt) |
| 1883 | printf(" rcv_rtt:%g", s->rcv_rtt); |
| 1884 | if (s->rcv_space) |
| 1885 | printf(" rcv_space:%d", s->rcv_space); |
Stephen Hemminger | 9e99e49 | 2016-02-17 17:43:59 -0800 | [diff] [blame] | 1886 | if (s->not_sent) |
| 1887 | printf(" notsent:%u", s->not_sent); |
| 1888 | if (s->min_rtt) |
| 1889 | printf(" minrtt:%g", s->min_rtt); |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1890 | } |
| 1891 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1892 | static void tcp_timer_print(struct tcpstat *s) |
| 1893 | { |
| 1894 | if (s->timer) { |
| 1895 | if (s->timer > 4) |
| 1896 | s->timer = 5; |
| 1897 | printf(" timer:(%s,%s,%d)", |
| 1898 | tmr_name[s->timer], |
| 1899 | print_ms_timer(s->timeout), |
| 1900 | s->retrans); |
| 1901 | } |
| 1902 | } |
| 1903 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1904 | static int tcp_show_line(char *line, const struct filter *f, int family) |
| 1905 | { |
| 1906 | int rto = 0, ato = 0; |
| 1907 | struct tcpstat s = {}; |
| 1908 | char *loc, *rem, *data; |
| 1909 | char opt[256]; |
| 1910 | int n; |
| 1911 | int hz = get_user_hz(); |
| 1912 | |
| 1913 | if (proc_inet_split_line(line, &loc, &rem, &data)) |
| 1914 | return -1; |
| 1915 | |
| 1916 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1917 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1918 | if (!(f->states & (1 << state))) |
| 1919 | return 0; |
| 1920 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1921 | proc_parse_inet_addr(loc, rem, family, &s.ss); |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1922 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1923 | if (f->f && run_ssfilter(f->f, &s.ss) == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1924 | return 0; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1925 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1926 | opt[0] = 0; |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 1927 | n = sscanf(data, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %d %d %[^\n]\n", |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1928 | &s.ss.state, &s.ss.wq, &s.ss.rq, |
| 1929 | &s.timer, &s.timeout, &s.retrans, &s.ss.uid, &s.probes, |
| 1930 | &s.ss.ino, &s.ss.refcnt, &s.ss.sk, &rto, &ato, &s.qack, &s.cwnd, |
| 1931 | &s.ssthresh, opt); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1932 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1933 | if (n < 17) |
| 1934 | opt[0] = 0; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1935 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1936 | if (n < 12) { |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1937 | rto = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1938 | s.cwnd = 2; |
| 1939 | s.ssthresh = -1; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1940 | ato = s.qack = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1941 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1942 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1943 | s.retrans = s.timer != 1 ? s.probes : s.retrans; |
| 1944 | s.timeout = (s.timeout * 1000 + hz - 1) / hz; |
| 1945 | s.ato = (double)ato / hz; |
| 1946 | s.qack /= 2; |
| 1947 | s.rto = (double)rto; |
| 1948 | s.ssthresh = s.ssthresh == -1 ? 0 : s.ssthresh; |
| 1949 | s.rto = s.rto != 3 * hz ? s.rto / hz : 0; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1950 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 1951 | inet_stats_print(&s.ss, IPPROTO_TCP); |
| 1952 | |
| 1953 | if (show_options) |
| 1954 | tcp_timer_print(&s); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 1955 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1956 | if (show_details) { |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 1957 | sock_details_print(&s.ss); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1958 | if (opt[0]) |
| 1959 | printf(" opt:\"%s\"", opt); |
| 1960 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1961 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 1962 | if (show_tcpinfo) |
| 1963 | tcp_stats_print(&s); |
| 1964 | |
| 1965 | printf("\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1966 | return 0; |
| 1967 | } |
| 1968 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1969 | static int generic_record_read(FILE *fp, |
| 1970 | int (*worker)(char*, const struct filter *, int), |
| 1971 | const struct filter *f, int fam) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1972 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1973 | char line[256]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1974 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1975 | /* skip header */ |
| 1976 | if (fgets(line, sizeof(line), fp) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1977 | goto outerr; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1978 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1979 | while (fgets(line, sizeof(line), fp) != NULL) { |
| 1980 | int n = strlen(line); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 1981 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1982 | if (n == 0 || line[n-1] != '\n') { |
| 1983 | errno = -EINVAL; |
| 1984 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1985 | } |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1986 | line[n-1] = 0; |
| 1987 | |
| 1988 | if (worker(line, f, fam) < 0) |
| 1989 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1990 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1991 | outerr: |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1992 | |
| 1993 | return ferror(fp) ? -1 : 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1994 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1995 | |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 1996 | static void print_skmeminfo(struct rtattr *tb[], int attrtype) |
| 1997 | { |
| 1998 | const __u32 *skmeminfo; |
Vadim Kochan | db08bdb | 2015-01-20 16:14:23 +0200 | [diff] [blame] | 1999 | |
| 2000 | if (!tb[attrtype]) { |
| 2001 | if (attrtype == INET_DIAG_SKMEMINFO) { |
| 2002 | if (!tb[INET_DIAG_MEMINFO]) |
| 2003 | return; |
| 2004 | |
| 2005 | const struct inet_diag_meminfo *minfo = |
| 2006 | RTA_DATA(tb[INET_DIAG_MEMINFO]); |
| 2007 | |
| 2008 | printf(" mem:(r%u,w%u,f%u,t%u)", |
| 2009 | minfo->idiag_rmem, |
| 2010 | minfo->idiag_wmem, |
| 2011 | minfo->idiag_fmem, |
| 2012 | minfo->idiag_tmem); |
| 2013 | } |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 2014 | return; |
Vadim Kochan | db08bdb | 2015-01-20 16:14:23 +0200 | [diff] [blame] | 2015 | } |
| 2016 | |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 2017 | skmeminfo = RTA_DATA(tb[attrtype]); |
| 2018 | |
| 2019 | printf(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u", |
| 2020 | skmeminfo[SK_MEMINFO_RMEM_ALLOC], |
| 2021 | skmeminfo[SK_MEMINFO_RCVBUF], |
| 2022 | skmeminfo[SK_MEMINFO_WMEM_ALLOC], |
| 2023 | skmeminfo[SK_MEMINFO_SNDBUF], |
| 2024 | skmeminfo[SK_MEMINFO_FWD_ALLOC], |
| 2025 | skmeminfo[SK_MEMINFO_WMEM_QUEUED], |
| 2026 | skmeminfo[SK_MEMINFO_OPTMEM]); |
| 2027 | |
| 2028 | if (RTA_PAYLOAD(tb[attrtype]) >= |
| 2029 | (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32)) |
| 2030 | printf(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]); |
| 2031 | |
Eric Dumazet | 6df9c7a | 2016-04-21 05:19:04 -0700 | [diff] [blame] | 2032 | if (RTA_PAYLOAD(tb[attrtype]) >= |
| 2033 | (SK_MEMINFO_DROPS + 1) * sizeof(__u32)) |
| 2034 | printf(",d%u", skmeminfo[SK_MEMINFO_DROPS]); |
| 2035 | |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 2036 | printf(")"); |
| 2037 | } |
| 2038 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2039 | #define TCPI_HAS_OPT(info, opt) !!(info->tcpi_options & (opt)) |
| 2040 | |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 2041 | static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, |
| 2042 | struct rtattr *tb[]) |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2043 | { |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 2044 | double rtt = 0; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2045 | struct tcpstat s = {}; |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2046 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 2047 | s.ss.state = r->idiag_state; |
| 2048 | |
Vadim Kochan | db08bdb | 2015-01-20 16:14:23 +0200 | [diff] [blame] | 2049 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2050 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2051 | if (tb[INET_DIAG_INFO]) { |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 2052 | struct tcp_info *info; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2053 | int len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 2054 | |
| 2055 | /* workaround for older kernels with less fields */ |
| 2056 | if (len < sizeof(*info)) { |
| 2057 | info = alloca(sizeof(*info)); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2058 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); |
Eric Dumazet | 656e8fd | 2015-05-06 11:33:23 -0700 | [diff] [blame] | 2059 | memset((char *)info + len, 0, sizeof(*info) - len); |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 2060 | } else |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2061 | info = RTA_DATA(tb[INET_DIAG_INFO]); |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 2062 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 2063 | if (show_options) { |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2064 | s.has_ts_opt = TCPI_HAS_OPT(info, TCPI_OPT_TIMESTAMPS); |
| 2065 | s.has_sack_opt = TCPI_HAS_OPT(info, TCPI_OPT_SACK); |
| 2066 | s.has_ecn_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN); |
| 2067 | s.has_ecnseen_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN_SEEN); |
| 2068 | s.has_fastopen_opt = TCPI_HAS_OPT(info, TCPI_OPT_SYN_DATA); |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 2069 | } |
shemminger | 52d5ac3 | 2005-07-05 22:11:37 +0000 | [diff] [blame] | 2070 | |
Eric Dumazet | d2055ea | 2015-05-29 04:04:05 -0700 | [diff] [blame] | 2071 | if (tb[INET_DIAG_CONG]) |
| 2072 | strncpy(s.cong_alg, |
| 2073 | rta_getattr_str(tb[INET_DIAG_CONG]), |
| 2074 | sizeof(s.cong_alg) - 1); |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 2075 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2076 | if (TCPI_HAS_OPT(info, TCPI_OPT_WSCALE)) { |
| 2077 | s.has_wscale_opt = true; |
| 2078 | s.snd_wscale = info->tcpi_snd_wscale; |
| 2079 | s.rcv_wscale = info->tcpi_rcv_wscale; |
| 2080 | } |
| 2081 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2082 | if (info->tcpi_rto && info->tcpi_rto != 3000000) |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2083 | s.rto = (double)info->tcpi_rto / 1000; |
| 2084 | |
| 2085 | s.backoff = info->tcpi_backoff; |
| 2086 | s.rtt = (double)info->tcpi_rtt / 1000; |
| 2087 | s.rttvar = (double)info->tcpi_rttvar / 1000; |
Vadim Kochan | 11ba90f | 2015-02-13 22:14:04 +0200 | [diff] [blame] | 2088 | s.ato = (double)info->tcpi_ato / 1000; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2089 | s.mss = info->tcpi_snd_mss; |
| 2090 | s.rcv_space = info->tcpi_rcv_space; |
| 2091 | s.rcv_rtt = (double)info->tcpi_rcv_rtt / 1000; |
| 2092 | s.lastsnd = info->tcpi_last_data_sent; |
| 2093 | s.lastrcv = info->tcpi_last_data_recv; |
| 2094 | s.lastack = info->tcpi_last_ack_recv; |
| 2095 | s.unacked = info->tcpi_unacked; |
| 2096 | s.retrans = info->tcpi_retrans; |
| 2097 | s.retrans_total = info->tcpi_total_retrans; |
| 2098 | s.lost = info->tcpi_lost; |
| 2099 | s.sacked = info->tcpi_sacked; |
| 2100 | s.reordering = info->tcpi_reordering; |
| 2101 | s.rcv_space = info->tcpi_rcv_space; |
| 2102 | s.cwnd = info->tcpi_snd_cwnd; |
| 2103 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2104 | if (info->tcpi_snd_ssthresh < 0xFFFF) |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2105 | s.ssthresh = info->tcpi_snd_ssthresh; |
shemminger | 52d5ac3 | 2005-07-05 22:11:37 +0000 | [diff] [blame] | 2106 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 2107 | rtt = (double) info->tcpi_rtt; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2108 | if (tb[INET_DIAG_VEGASINFO]) { |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 2109 | const struct tcpvegas_info *vinfo |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2110 | = RTA_DATA(tb[INET_DIAG_VEGASINFO]); |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 2111 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2112 | if (vinfo->tcpv_enabled && |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2113 | vinfo->tcpv_rtt && vinfo->tcpv_rtt != 0x7fffffff) |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 2114 | rtt = vinfo->tcpv_rtt; |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2115 | } |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 2116 | |
Daniel Borkmann | 907e1ac | 2014-09-29 10:47:32 +0200 | [diff] [blame] | 2117 | if (tb[INET_DIAG_DCTCPINFO]) { |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2118 | struct dctcpstat *dctcp = malloc(sizeof(struct |
| 2119 | dctcpstat)); |
| 2120 | |
Daniel Borkmann | 907e1ac | 2014-09-29 10:47:32 +0200 | [diff] [blame] | 2121 | const struct tcp_dctcp_info *dinfo |
| 2122 | = RTA_DATA(tb[INET_DIAG_DCTCPINFO]); |
| 2123 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2124 | dctcp->enabled = !!dinfo->dctcp_enabled; |
| 2125 | dctcp->ce_state = dinfo->dctcp_ce_state; |
| 2126 | dctcp->alpha = dinfo->dctcp_alpha; |
| 2127 | dctcp->ab_ecn = dinfo->dctcp_ab_ecn; |
| 2128 | dctcp->ab_tot = dinfo->dctcp_ab_tot; |
| 2129 | s.dctcp = dctcp; |
Daniel Borkmann | 907e1ac | 2014-09-29 10:47:32 +0200 | [diff] [blame] | 2130 | } |
| 2131 | |
Neal Cardwell | 2f0f9ae | 2016-09-20 22:43:44 -0400 | [diff] [blame] | 2132 | if (tb[INET_DIAG_BBRINFO]) { |
| 2133 | const void *bbr_info = RTA_DATA(tb[INET_DIAG_BBRINFO]); |
| 2134 | int len = min(RTA_PAYLOAD(tb[INET_DIAG_BBRINFO]), |
| 2135 | sizeof(*s.bbr_info)); |
| 2136 | |
| 2137 | s.bbr_info = calloc(1, sizeof(*s.bbr_info)); |
| 2138 | if (s.bbr_info && bbr_info) |
| 2139 | memcpy(s.bbr_info, bbr_info, len); |
| 2140 | } |
| 2141 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 2142 | if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) { |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2143 | s.send_bps = (double) info->tcpi_snd_cwnd * |
| 2144 | (double)info->tcpi_snd_mss * 8000000. / rtt; |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 2145 | } |
| 2146 | |
Eric Dumazet | eb6028b | 2014-06-05 06:47:37 -0700 | [diff] [blame] | 2147 | if (info->tcpi_pacing_rate && |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2148 | info->tcpi_pacing_rate != ~0ULL) { |
| 2149 | s.pacing_rate = info->tcpi_pacing_rate * 8.; |
Eric Dumazet | eb6028b | 2014-06-05 06:47:37 -0700 | [diff] [blame] | 2150 | |
| 2151 | if (info->tcpi_max_pacing_rate && |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2152 | info->tcpi_max_pacing_rate != ~0ULL) |
| 2153 | s.pacing_rate_max = info->tcpi_max_pacing_rate * 8.; |
Eric Dumazet | eb6028b | 2014-06-05 06:47:37 -0700 | [diff] [blame] | 2154 | } |
Eric Dumazet | 1a4dda7 | 2015-05-11 10:03:49 -0700 | [diff] [blame] | 2155 | s.bytes_acked = info->tcpi_bytes_acked; |
| 2156 | s.bytes_received = info->tcpi_bytes_received; |
Craig Gallek | ecb435e | 2015-05-26 14:54:41 -0400 | [diff] [blame] | 2157 | s.segs_out = info->tcpi_segs_out; |
| 2158 | s.segs_in = info->tcpi_segs_in; |
Martin KaFai Lau | 414aeec | 2016-06-17 17:38:53 -0700 | [diff] [blame] | 2159 | s.data_segs_out = info->tcpi_data_segs_out; |
| 2160 | s.data_segs_in = info->tcpi_data_segs_in; |
Stephen Hemminger | 9e99e49 | 2016-02-17 17:43:59 -0800 | [diff] [blame] | 2161 | s.not_sent = info->tcpi_notsent_bytes; |
Eric Dumazet | d9ba887 | 2016-04-13 15:18:38 -0700 | [diff] [blame] | 2162 | if (info->tcpi_min_rtt && info->tcpi_min_rtt != ~0U) |
| 2163 | s.min_rtt = (double) info->tcpi_min_rtt / 1000; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2164 | tcp_stats_print(&s); |
Stephen Hemminger | 92de1c2 | 2015-07-21 10:49:54 -0700 | [diff] [blame] | 2165 | free(s.dctcp); |
Neal Cardwell | 2f0f9ae | 2016-09-20 22:43:44 -0400 | [diff] [blame] | 2166 | free(s.bbr_info); |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2167 | } |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2168 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2169 | |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2170 | static void parse_diag_msg(struct nlmsghdr *nlh, struct sockstat *s) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2171 | { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2172 | struct rtattr *tb[INET_DIAG_MAX+1]; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2173 | struct inet_diag_msg *r = NLMSG_DATA(nlh); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2174 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2175 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 2176 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
| 2177 | |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2178 | s->state = r->idiag_state; |
| 2179 | s->local.family = s->remote.family = r->idiag_family; |
| 2180 | s->lport = ntohs(r->id.idiag_sport); |
| 2181 | s->rport = ntohs(r->id.idiag_dport); |
| 2182 | s->wq = r->idiag_wqueue; |
| 2183 | s->rq = r->idiag_rqueue; |
| 2184 | s->ino = r->idiag_inode; |
| 2185 | s->uid = r->idiag_uid; |
| 2186 | s->iface = r->id.idiag_if; |
| 2187 | s->sk = cookie_sk_get(&r->id.idiag_cookie[0]); |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2188 | |
Lorenzo Colitti | ec75249 | 2016-09-22 01:02:50 +0900 | [diff] [blame^] | 2189 | s->mark = 0; |
| 2190 | if (tb[INET_DIAG_MARK]) |
| 2191 | s->mark = *(__u32 *) RTA_DATA(tb[INET_DIAG_MARK]); |
| 2192 | |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2193 | if (s->local.family == AF_INET) |
| 2194 | s->local.bytelen = s->remote.bytelen = 4; |
| 2195 | else |
| 2196 | s->local.bytelen = s->remote.bytelen = 16; |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2197 | |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2198 | memcpy(s->local.data, r->id.idiag_src, s->local.bytelen); |
| 2199 | memcpy(s->remote.data, r->id.idiag_dst, s->local.bytelen); |
| 2200 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2201 | |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2202 | static int inet_show_sock(struct nlmsghdr *nlh, |
| 2203 | struct sockstat *s, |
| 2204 | int protocol) |
| 2205 | { |
| 2206 | struct rtattr *tb[INET_DIAG_MAX+1]; |
| 2207 | struct inet_diag_msg *r = NLMSG_DATA(nlh); |
| 2208 | |
| 2209 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), |
| 2210 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2211 | |
Craig Gallek | 6885e3b | 2015-06-17 11:14:48 -0400 | [diff] [blame] | 2212 | if (tb[INET_DIAG_PROTOCOL]) |
| 2213 | protocol = *(__u8 *)RTA_DATA(tb[INET_DIAG_PROTOCOL]); |
| 2214 | |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2215 | inet_stats_print(s, protocol); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 2216 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 2217 | if (show_options) { |
| 2218 | struct tcpstat t = {}; |
| 2219 | |
| 2220 | t.timer = r->idiag_timer; |
| 2221 | t.timeout = r->idiag_expires; |
| 2222 | t.retrans = r->idiag_retrans; |
| 2223 | tcp_timer_print(&t); |
| 2224 | } |
| 2225 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2226 | if (show_details) { |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2227 | sock_details_print(s); |
| 2228 | if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY]) { |
Phil Sutter | f32dc74 | 2015-06-24 13:07:20 +0200 | [diff] [blame] | 2229 | unsigned char v6only; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2230 | |
Phil Sutter | f32dc74 | 2015-06-24 13:07:20 +0200 | [diff] [blame] | 2231 | v6only = *(__u8 *)RTA_DATA(tb[INET_DIAG_SKV6ONLY]); |
| 2232 | printf(" v6only:%u", v6only); |
| 2233 | } |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 2234 | if (tb[INET_DIAG_SHUTDOWN]) { |
| 2235 | unsigned char mask; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2236 | |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 2237 | mask = *(__u8 *)RTA_DATA(tb[INET_DIAG_SHUTDOWN]); |
| 2238 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); |
| 2239 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2240 | } |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2241 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2242 | if (show_mem || show_tcpinfo) { |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2243 | printf("\n\t"); |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 2244 | tcp_show_info(nlh, r, tb); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2245 | } |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2246 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2247 | printf("\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2248 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2249 | } |
| 2250 | |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 2251 | static int tcpdiag_send(int fd, int protocol, struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2252 | { |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 2253 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2254 | struct { |
| 2255 | struct nlmsghdr nlh; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2256 | struct inet_diag_req r; |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 2257 | } req = { |
| 2258 | .nlh.nlmsg_len = sizeof(req), |
| 2259 | .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST, |
| 2260 | .nlh.nlmsg_seq = MAGIC_SEQ, |
| 2261 | .r.idiag_family = AF_INET, |
| 2262 | .r.idiag_states = f->states, |
| 2263 | }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2264 | char *bc = NULL; |
| 2265 | int bclen; |
| 2266 | struct msghdr msg; |
| 2267 | struct rtattr rta; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2268 | struct iovec iov[3]; |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 2269 | int iovlen = 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2270 | |
Pavel Emelyanov | 346f8ca | 2012-10-25 03:24:58 +0000 | [diff] [blame] | 2271 | if (protocol == IPPROTO_UDP) |
| 2272 | return -1; |
| 2273 | |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 2274 | if (protocol == IPPROTO_TCP) |
| 2275 | req.nlh.nlmsg_type = TCPDIAG_GETSOCK; |
| 2276 | else |
| 2277 | req.nlh.nlmsg_type = DCCPDIAG_GETSOCK; |
Shan Wei | 910b039 | 2012-05-03 16:39:52 +0800 | [diff] [blame] | 2278 | if (show_mem) { |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2279 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); |
Shan Wei | 910b039 | 2012-05-03 16:39:52 +0800 | [diff] [blame] | 2280 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); |
| 2281 | } |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 2282 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2283 | if (show_tcpinfo) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 2284 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); |
| 2285 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); |
| 2286 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 2287 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2288 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2289 | iov[0] = (struct iovec){ |
| 2290 | .iov_base = &req, |
| 2291 | .iov_len = sizeof(req) |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 2292 | }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2293 | if (f->f) { |
| 2294 | bclen = ssfilter_bytecompile(f->f, &bc); |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 2295 | if (bclen) { |
| 2296 | rta.rta_type = INET_DIAG_REQ_BYTECODE; |
| 2297 | rta.rta_len = RTA_LENGTH(bclen); |
| 2298 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; |
| 2299 | iov[2] = (struct iovec){ bc, bclen }; |
| 2300 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); |
| 2301 | iovlen = 3; |
| 2302 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2303 | } |
| 2304 | |
| 2305 | msg = (struct msghdr) { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2306 | .msg_name = (void *)&nladdr, |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 2307 | .msg_namelen = sizeof(nladdr), |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2308 | .msg_iov = iov, |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 2309 | .msg_iovlen = iovlen, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2310 | }; |
| 2311 | |
Eric Dumazet | 930a75f | 2012-04-10 09:00:16 -0700 | [diff] [blame] | 2312 | if (sendmsg(fd, &msg, 0) < 0) { |
| 2313 | close(fd); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2314 | return -1; |
Eric Dumazet | 930a75f | 2012-04-10 09:00:16 -0700 | [diff] [blame] | 2315 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2316 | |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 2317 | return 0; |
| 2318 | } |
| 2319 | |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2320 | static int sockdiag_send(int family, int fd, int protocol, struct filter *f) |
| 2321 | { |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 2322 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
vadimk | 5fb421d | 2014-10-30 18:49:25 +0200 | [diff] [blame] | 2323 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2324 | char *bc = NULL; |
| 2325 | int bclen; |
| 2326 | struct msghdr msg; |
| 2327 | struct rtattr rta; |
| 2328 | struct iovec iov[3]; |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 2329 | int iovlen = 1; |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2330 | |
| 2331 | if (family == PF_UNSPEC) |
| 2332 | return tcpdiag_send(fd, protocol, f); |
| 2333 | |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2334 | memset(&req.r, 0, sizeof(req.r)); |
| 2335 | req.r.sdiag_family = family; |
| 2336 | req.r.sdiag_protocol = protocol; |
| 2337 | req.r.idiag_states = f->states; |
| 2338 | if (show_mem) { |
| 2339 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); |
| 2340 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); |
| 2341 | } |
| 2342 | |
| 2343 | if (show_tcpinfo) { |
| 2344 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); |
| 2345 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); |
| 2346 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); |
| 2347 | } |
| 2348 | |
| 2349 | iov[0] = (struct iovec){ |
| 2350 | .iov_base = &req, |
| 2351 | .iov_len = sizeof(req) |
| 2352 | }; |
| 2353 | if (f->f) { |
| 2354 | bclen = ssfilter_bytecompile(f->f, &bc); |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 2355 | if (bclen) { |
| 2356 | rta.rta_type = INET_DIAG_REQ_BYTECODE; |
| 2357 | rta.rta_len = RTA_LENGTH(bclen); |
| 2358 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; |
| 2359 | iov[2] = (struct iovec){ bc, bclen }; |
| 2360 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); |
| 2361 | iovlen = 3; |
| 2362 | } |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2363 | } |
| 2364 | |
| 2365 | msg = (struct msghdr) { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2366 | .msg_name = (void *)&nladdr, |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2367 | .msg_namelen = sizeof(nladdr), |
| 2368 | .msg_iov = iov, |
David Ahern | 376fb86 | 2016-06-27 11:34:24 -0700 | [diff] [blame] | 2369 | .msg_iovlen = iovlen, |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2370 | }; |
| 2371 | |
| 2372 | if (sendmsg(fd, &msg, 0) < 0) { |
| 2373 | close(fd); |
| 2374 | return -1; |
| 2375 | } |
| 2376 | |
| 2377 | return 0; |
| 2378 | } |
| 2379 | |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2380 | struct inet_diag_arg { |
| 2381 | struct filter *f; |
| 2382 | int protocol; |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 2383 | struct rtnl_handle *rth; |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2384 | }; |
| 2385 | |
subashab@codeaurora.org | b38e740 | 2016-05-09 14:54:36 -0600 | [diff] [blame] | 2386 | static int kill_inet_sock(struct nlmsghdr *h, void *arg) |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 2387 | { |
| 2388 | struct inet_diag_msg *d = NLMSG_DATA(h); |
| 2389 | struct inet_diag_arg *diag_arg = arg; |
| 2390 | struct rtnl_handle *rth = diag_arg->rth; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2391 | |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 2392 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
| 2393 | |
| 2394 | req.nlh.nlmsg_type = SOCK_DESTROY; |
| 2395 | req.nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; |
| 2396 | req.nlh.nlmsg_seq = ++rth->seq; |
| 2397 | req.r.sdiag_family = d->idiag_family; |
| 2398 | req.r.sdiag_protocol = diag_arg->protocol; |
| 2399 | req.r.id = d->id; |
| 2400 | |
| 2401 | return rtnl_talk(rth, &req.nlh, NULL, 0); |
| 2402 | } |
| 2403 | |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2404 | static int show_one_inet_sock(const struct sockaddr_nl *addr, |
| 2405 | struct nlmsghdr *h, void *arg) |
| 2406 | { |
| 2407 | int err; |
| 2408 | struct inet_diag_arg *diag_arg = arg; |
| 2409 | struct inet_diag_msg *r = NLMSG_DATA(h); |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2410 | struct sockstat s = {}; |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2411 | |
| 2412 | if (!(diag_arg->f->families & (1 << r->idiag_family))) |
| 2413 | return 0; |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2414 | |
| 2415 | parse_diag_msg(h, &s); |
| 2416 | |
| 2417 | if (diag_arg->f->f && run_ssfilter(diag_arg->f->f, &s) == 0) |
| 2418 | return 0; |
| 2419 | |
subashab@codeaurora.org | b38e740 | 2016-05-09 14:54:36 -0600 | [diff] [blame] | 2420 | if (diag_arg->f->kill && kill_inet_sock(h, arg) != 0) { |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 2421 | if (errno == EOPNOTSUPP || errno == ENOENT) { |
| 2422 | /* Socket can't be closed, or is already closed. */ |
| 2423 | return 0; |
| 2424 | } else { |
| 2425 | perror("SOCK_DESTROY answers"); |
| 2426 | return -1; |
| 2427 | } |
| 2428 | } |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2429 | |
| 2430 | err = inet_show_sock(h, &s, diag_arg->protocol); |
| 2431 | if (err < 0) |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2432 | return err; |
| 2433 | |
| 2434 | return 0; |
| 2435 | } |
| 2436 | |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 2437 | static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol) |
| 2438 | { |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2439 | int err = 0; |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 2440 | struct rtnl_handle rth, rth2; |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2441 | int family = PF_INET; |
| 2442 | struct inet_diag_arg arg = { .f = f, .protocol = protocol }; |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 2443 | |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2444 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 2445 | return -1; |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 2446 | |
| 2447 | if (f->kill) { |
| 2448 | if (rtnl_open_byproto(&rth2, 0, NETLINK_SOCK_DIAG)) { |
| 2449 | rtnl_close(&rth); |
| 2450 | return -1; |
| 2451 | } |
| 2452 | arg.rth = &rth2; |
| 2453 | } |
| 2454 | |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2455 | rth.dump = MAGIC_SEQ; |
| 2456 | rth.dump_fp = dump_fp; |
Eric Dumazet | 518af1e | 2015-05-29 05:37:49 -0700 | [diff] [blame] | 2457 | if (preferred_family == PF_INET6) |
| 2458 | family = PF_INET6; |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 2459 | |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2460 | again: |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2461 | if ((err = sockdiag_send(family, rth.fd, protocol, f))) |
| 2462 | goto Exit; |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 2463 | |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2464 | if ((err = rtnl_dump_filter(&rth, show_one_inet_sock, &arg))) { |
| 2465 | if (family != PF_UNSPEC) { |
| 2466 | family = PF_UNSPEC; |
| 2467 | goto again; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2468 | } |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2469 | goto Exit; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2470 | } |
Eric Dumazet | 518af1e | 2015-05-29 05:37:49 -0700 | [diff] [blame] | 2471 | if (family == PF_INET && preferred_family != PF_INET) { |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 2472 | family = PF_INET6; |
| 2473 | goto again; |
| 2474 | } |
| 2475 | |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2476 | Exit: |
| 2477 | rtnl_close(&rth); |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 2478 | if (arg.rth) |
| 2479 | rtnl_close(arg.rth); |
Vadim Kochan | 486ccd9 | 2014-12-26 04:26:27 +0200 | [diff] [blame] | 2480 | return err; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2481 | } |
| 2482 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2483 | static int tcp_show_netlink_file(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2484 | { |
| 2485 | FILE *fp; |
Eric Dumazet | e557212 | 2014-10-11 09:43:13 -0700 | [diff] [blame] | 2486 | char buf[16384]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2487 | |
| 2488 | if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) { |
| 2489 | perror("fopen($TCPDIAG_FILE)"); |
| 2490 | return -1; |
| 2491 | } |
| 2492 | |
| 2493 | while (1) { |
| 2494 | int status, err; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2495 | struct nlmsghdr *h = (struct nlmsghdr *)buf; |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2496 | struct sockstat s = {}; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2497 | |
| 2498 | status = fread(buf, 1, sizeof(*h), fp); |
| 2499 | if (status < 0) { |
| 2500 | perror("Reading header from $TCPDIAG_FILE"); |
| 2501 | return -1; |
| 2502 | } |
| 2503 | if (status != sizeof(*h)) { |
| 2504 | perror("Unexpected EOF reading $TCPDIAG_FILE"); |
| 2505 | return -1; |
| 2506 | } |
| 2507 | |
| 2508 | status = fread(h+1, 1, NLMSG_ALIGN(h->nlmsg_len-sizeof(*h)), fp); |
| 2509 | |
| 2510 | if (status < 0) { |
| 2511 | perror("Reading $TCPDIAG_FILE"); |
| 2512 | return -1; |
| 2513 | } |
| 2514 | if (status + sizeof(*h) < h->nlmsg_len) { |
| 2515 | perror("Unexpected EOF reading $TCPDIAG_FILE"); |
| 2516 | return -1; |
| 2517 | } |
| 2518 | |
| 2519 | /* The only legal exit point */ |
| 2520 | if (h->nlmsg_type == NLMSG_DONE) |
| 2521 | return 0; |
| 2522 | |
| 2523 | if (h->nlmsg_type == NLMSG_ERROR) { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2524 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h); |
| 2525 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2526 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
| 2527 | fprintf(stderr, "ERROR truncated\n"); |
| 2528 | } else { |
| 2529 | errno = -err->error; |
| 2530 | perror("TCPDIAG answered"); |
| 2531 | } |
| 2532 | return -1; |
| 2533 | } |
| 2534 | |
David Ahern | 82d73ea | 2016-06-27 11:34:23 -0700 | [diff] [blame] | 2535 | parse_diag_msg(h, &s); |
| 2536 | |
| 2537 | if (f && f->f && run_ssfilter(f->f, &s) == 0) |
| 2538 | continue; |
| 2539 | |
| 2540 | err = inet_show_sock(h, &s, IPPROTO_TCP); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2541 | if (err < 0) |
| 2542 | return err; |
| 2543 | } |
| 2544 | } |
| 2545 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2546 | static int tcp_show(struct filter *f, int socktype) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2547 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2548 | FILE *fp = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2549 | char *buf = NULL; |
| 2550 | int bufsize = 64*1024; |
| 2551 | |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 2552 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
| 2553 | return 0; |
| 2554 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2555 | dg_proto = TCP_PROTO; |
| 2556 | |
| 2557 | if (getenv("TCPDIAG_FILE")) |
| 2558 | return tcp_show_netlink_file(f); |
| 2559 | |
| 2560 | if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT") |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 2561 | && inet_show_netlink(f, NULL, socktype) == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2562 | return 0; |
| 2563 | |
| 2564 | /* Sigh... We have to parse /proc/net/tcp... */ |
| 2565 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2566 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2567 | /* Estimate amount of sockets and try to allocate |
| 2568 | * huge buffer to read all the table at one read. |
| 2569 | * Limit it by 16MB though. The assumption is: as soon as |
| 2570 | * kernel was able to hold information about N connections, |
| 2571 | * it is able to give us some memory for snapshot. |
| 2572 | */ |
| 2573 | if (1) { |
Bryton Lee | a221d62 | 2015-02-12 14:16:04 +0800 | [diff] [blame] | 2574 | get_slabstat(&slabstat); |
| 2575 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2576 | int guess = slabstat.socks+slabstat.tcp_syns; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2577 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2578 | if (f->states&(1<<SS_TIME_WAIT)) |
| 2579 | guess += slabstat.tcp_tws; |
| 2580 | if (guess > (16*1024*1024)/128) |
| 2581 | guess = (16*1024*1024)/128; |
| 2582 | guess *= 128; |
| 2583 | if (guess > bufsize) |
| 2584 | bufsize = guess; |
| 2585 | } |
| 2586 | while (bufsize >= 64*1024) { |
| 2587 | if ((buf = malloc(bufsize)) != NULL) |
| 2588 | break; |
| 2589 | bufsize /= 2; |
| 2590 | } |
| 2591 | if (buf == NULL) { |
| 2592 | errno = ENOMEM; |
| 2593 | return -1; |
| 2594 | } |
| 2595 | |
| 2596 | if (f->families & (1<<AF_INET)) { |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2597 | if ((fp = net_tcp_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2598 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2599 | |
| 2600 | setbuffer(fp, buf, bufsize); |
| 2601 | if (generic_record_read(fp, tcp_show_line, f, AF_INET)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2602 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2603 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2604 | } |
| 2605 | |
| 2606 | if ((f->families & (1<<AF_INET6)) && |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2607 | (fp = net_tcp6_open()) != NULL) { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2608 | setbuffer(fp, buf, bufsize); |
| 2609 | if (generic_record_read(fp, tcp_show_line, f, AF_INET6)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2610 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2611 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2612 | } |
| 2613 | |
| 2614 | free(buf); |
| 2615 | return 0; |
| 2616 | |
| 2617 | outerr: |
| 2618 | do { |
| 2619 | int saved_errno = errno; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2620 | |
Stephen Hemminger | 92de1c2 | 2015-07-21 10:49:54 -0700 | [diff] [blame] | 2621 | free(buf); |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2622 | if (fp) |
| 2623 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2624 | errno = saved_errno; |
| 2625 | return -1; |
| 2626 | } while (0); |
| 2627 | } |
| 2628 | |
| 2629 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2630 | static int dgram_show_line(char *line, const struct filter *f, int family) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2631 | { |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 2632 | struct sockstat s = {}; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2633 | char *loc, *rem, *data; |
| 2634 | char opt[256]; |
| 2635 | int n; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2636 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2637 | if (proc_inet_split_line(line, &loc, &rem, &data)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2638 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2639 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2640 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2641 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2642 | if (!(f->states & (1 << state))) |
| 2643 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2644 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2645 | proc_parse_inet_addr(loc, rem, family, &s); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2646 | |
| 2647 | if (f->f && run_ssfilter(f->f, &s) == 0) |
| 2648 | return 0; |
| 2649 | |
| 2650 | opt[0] = 0; |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 2651 | n = sscanf(data, "%x %x:%x %*x:%*x %*x %d %*d %u %d %llx %[^\n]\n", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2652 | &s.state, &s.wq, &s.rq, |
| 2653 | &s.uid, &s.ino, |
| 2654 | &s.refcnt, &s.sk, opt); |
| 2655 | |
| 2656 | if (n < 9) |
| 2657 | opt[0] = 0; |
| 2658 | |
Nikolay Aleksandrov | 235c445 | 2015-07-15 05:50:42 -0700 | [diff] [blame] | 2659 | inet_stats_print(&s, dg_proto == UDP_PROTO ? IPPROTO_UDP : 0); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2660 | |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 2661 | if (show_details && opt[0]) |
| 2662 | printf(" opt:\"%s\"", opt); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2663 | |
Vadim Kochan | 8250bc9 | 2015-01-20 16:14:24 +0200 | [diff] [blame] | 2664 | printf("\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2665 | return 0; |
| 2666 | } |
| 2667 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2668 | static int udp_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2669 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2670 | FILE *fp = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2671 | |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 2672 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
| 2673 | return 0; |
| 2674 | |
Vadim Kochan | ace5cb3 | 2015-01-08 02:42:54 +0200 | [diff] [blame] | 2675 | dg_proto = UDP_PROTO; |
| 2676 | |
Pavel Emelyanov | 346f8ca | 2012-10-25 03:24:58 +0000 | [diff] [blame] | 2677 | if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT") |
| 2678 | && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0) |
| 2679 | return 0; |
| 2680 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2681 | if (f->families&(1<<AF_INET)) { |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2682 | if ((fp = net_udp_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2683 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2684 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2685 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2686 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2687 | } |
| 2688 | |
| 2689 | if ((f->families&(1<<AF_INET6)) && |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2690 | (fp = net_udp6_open()) != NULL) { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2691 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2692 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2693 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2694 | } |
| 2695 | return 0; |
| 2696 | |
| 2697 | outerr: |
| 2698 | do { |
| 2699 | int saved_errno = errno; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2700 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2701 | if (fp) |
| 2702 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2703 | errno = saved_errno; |
| 2704 | return -1; |
| 2705 | } while (0); |
| 2706 | } |
| 2707 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2708 | static int raw_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2709 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2710 | FILE *fp = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2711 | |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 2712 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
| 2713 | return 0; |
| 2714 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2715 | dg_proto = RAW_PROTO; |
| 2716 | |
| 2717 | if (f->families&(1<<AF_INET)) { |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2718 | if ((fp = net_raw_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2719 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2720 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2721 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2722 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2723 | } |
| 2724 | |
| 2725 | if ((f->families&(1<<AF_INET6)) && |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2726 | (fp = net_raw6_open()) != NULL) { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2727 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2728 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2729 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2730 | } |
| 2731 | return 0; |
| 2732 | |
| 2733 | outerr: |
| 2734 | do { |
| 2735 | int saved_errno = errno; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2736 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2737 | if (fp) |
| 2738 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2739 | errno = saved_errno; |
| 2740 | return -1; |
| 2741 | } while (0); |
| 2742 | } |
| 2743 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2744 | int unix_state_map[] = { SS_CLOSE, SS_SYN_SENT, |
| 2745 | SS_ESTABLISHED, SS_CLOSING }; |
| 2746 | |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2747 | #define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct sockstat)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2748 | |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2749 | static void unix_list_free(struct sockstat *list) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2750 | { |
| 2751 | while (list) { |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2752 | struct sockstat *s = list; |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2753 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2754 | list = list->next; |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2755 | free(s->name); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2756 | free(s); |
| 2757 | } |
| 2758 | } |
| 2759 | |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 2760 | static const char *unix_netid_name(int type) |
| 2761 | { |
| 2762 | const char *netid; |
| 2763 | |
| 2764 | switch (type) { |
| 2765 | case SOCK_STREAM: |
| 2766 | netid = "u_str"; |
| 2767 | break; |
| 2768 | case SOCK_SEQPACKET: |
| 2769 | netid = "u_seq"; |
| 2770 | break; |
| 2771 | case SOCK_DGRAM: |
| 2772 | default: |
| 2773 | netid = "u_dgr"; |
| 2774 | break; |
| 2775 | } |
| 2776 | return netid; |
| 2777 | } |
| 2778 | |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2779 | static bool unix_type_skip(struct sockstat *s, struct filter *f) |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2780 | { |
| 2781 | if (s->type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB))) |
| 2782 | return true; |
| 2783 | if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB))) |
| 2784 | return true; |
| 2785 | if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB))) |
| 2786 | return true; |
| 2787 | return false; |
| 2788 | } |
| 2789 | |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2790 | static bool unix_use_proc(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2791 | { |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2792 | return getenv("PROC_NET_UNIX") || getenv("PROC_ROOT"); |
| 2793 | } |
| 2794 | |
| 2795 | static void unix_stats_print(struct sockstat *list, struct filter *f) |
| 2796 | { |
| 2797 | struct sockstat *s; |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2798 | char *peer; |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 2799 | char *ctx_buf = NULL; |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2800 | bool use_proc = unix_use_proc(); |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 2801 | char port_name[30] = {}; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2802 | |
| 2803 | for (s = list; s; s = s->next) { |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2804 | if (!(f->states & (1 << s->state))) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2805 | continue; |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2806 | if (unix_type_skip(s, f)) |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 2807 | continue; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2808 | |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2809 | peer = "*"; |
| 2810 | if (s->peer_name) |
| 2811 | peer = s->peer_name; |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2812 | |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2813 | if (s->rport && use_proc) { |
| 2814 | struct sockstat *p; |
| 2815 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2816 | for (p = list; p; p = p->next) { |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2817 | if (s->rport == p->lport) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2818 | break; |
| 2819 | } |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2820 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2821 | if (!p) { |
| 2822 | peer = "?"; |
| 2823 | } else { |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2824 | peer = p->name ? : "*"; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2825 | } |
| 2826 | } |
| 2827 | |
Vadim Kochan | 29999b0 | 2015-02-22 22:23:10 +0200 | [diff] [blame] | 2828 | if (use_proc && f->f) { |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 2829 | struct sockstat st = { |
| 2830 | .local.family = AF_UNIX, |
| 2831 | .remote.family = AF_UNIX, |
| 2832 | }; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2833 | |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2834 | memcpy(st.local.data, &s->name, sizeof(s->name)); |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 2835 | if (strcmp(peer, "*")) |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2836 | memcpy(st.remote.data, &peer, sizeof(peer)); |
| 2837 | if (run_ssfilter(f->f, &st) == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2838 | continue; |
| 2839 | } |
| 2840 | |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 2841 | sock_state_print(s, unix_netid_name(s->type)); |
| 2842 | |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2843 | sock_addr_print(s->name ?: "*", " ", |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 2844 | int_to_str(s->lport, port_name), NULL); |
| 2845 | sock_addr_print(peer, " ", int_to_str(s->rport, port_name), |
| 2846 | NULL); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 2847 | |
| 2848 | if (show_proc_ctx || show_sock_ctx) { |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 2849 | if (find_entry(s->ino, &ctx_buf, |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 2850 | (show_proc_ctx & show_sock_ctx) ? |
| 2851 | PROC_SOCK_CTX : PROC_CTX) > 0) { |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 2852 | printf(" users:(%s)", ctx_buf); |
| 2853 | free(ctx_buf); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 2854 | } |
| 2855 | } else if (show_users) { |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 2856 | if (find_entry(s->ino, &ctx_buf, USERS) > 0) { |
| 2857 | printf(" users:(%s)", ctx_buf); |
| 2858 | free(ctx_buf); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 2859 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2860 | } |
| 2861 | printf("\n"); |
| 2862 | } |
| 2863 | } |
| 2864 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2865 | static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh, |
| 2866 | void *arg) |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2867 | { |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2868 | struct filter *f = (struct filter *)arg; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2869 | struct unix_diag_msg *r = NLMSG_DATA(nlh); |
| 2870 | struct rtattr *tb[UNIX_DIAG_MAX+1]; |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2871 | char name[128]; |
| 2872 | struct sockstat stat = { .name = "*", .peer_name = "*" }; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2873 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2874 | parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr *)(r+1), |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2875 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
| 2876 | |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2877 | stat.type = r->udiag_type; |
| 2878 | stat.state = r->udiag_state; |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2879 | stat.ino = stat.lport = r->udiag_ino; |
| 2880 | stat.local.family = stat.remote.family = AF_UNIX; |
Masatake YAMATO | 0d2e01c | 2014-01-08 20:13:47 +0900 | [diff] [blame] | 2881 | |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2882 | if (unix_type_skip(&stat, f)) |
| 2883 | return 0; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2884 | |
Hannes Frederic Sowa | defd61c | 2013-02-22 15:28:10 +0000 | [diff] [blame] | 2885 | if (tb[UNIX_DIAG_RQLEN]) { |
| 2886 | struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2887 | |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2888 | stat.rq = rql->udiag_rqueue; |
| 2889 | stat.wq = rql->udiag_wqueue; |
Hannes Frederic Sowa | defd61c | 2013-02-22 15:28:10 +0000 | [diff] [blame] | 2890 | } |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2891 | if (tb[UNIX_DIAG_NAME]) { |
| 2892 | int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]); |
| 2893 | |
| 2894 | memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len); |
| 2895 | name[len] = '\0'; |
| 2896 | if (name[0] == '\0') |
| 2897 | name[0] = '@'; |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2898 | stat.name = &name[0]; |
| 2899 | memcpy(stat.local.data, &stat.name, sizeof(stat.name)); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2900 | } |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2901 | if (tb[UNIX_DIAG_PEER]) |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2902 | stat.rport = rta_getattr_u32(tb[UNIX_DIAG_PEER]); |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2903 | |
Vadim Kochan | 29999b0 | 2015-02-22 22:23:10 +0200 | [diff] [blame] | 2904 | if (f->f && run_ssfilter(f->f, &stat) == 0) |
| 2905 | return 0; |
| 2906 | |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2907 | unix_stats_print(&stat, f); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2908 | |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 2909 | if (show_mem) { |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2910 | printf("\t"); |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 2911 | print_skmeminfo(tb, UNIX_DIAG_MEMINFO); |
| 2912 | } |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 2913 | if (show_details) { |
| 2914 | if (tb[UNIX_DIAG_SHUTDOWN]) { |
| 2915 | unsigned char mask; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 2916 | |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 2917 | mask = *(__u8 *)RTA_DATA(tb[UNIX_DIAG_SHUTDOWN]); |
| 2918 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); |
| 2919 | } |
| 2920 | } |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 2921 | if (show_mem || show_details) |
| 2922 | printf("\n"); |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2923 | |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2924 | return 0; |
| 2925 | } |
| 2926 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2927 | static int handle_netlink_request(struct filter *f, struct nlmsghdr *req, |
| 2928 | size_t size, rtnl_filter_t show_one_sock) |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2929 | { |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2930 | int ret = -1; |
| 2931 | struct rtnl_handle rth; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2932 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2933 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2934 | return -1; |
| 2935 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2936 | rth.dump = MAGIC_SEQ; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2937 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2938 | if (rtnl_send(&rth, req, size) < 0) |
| 2939 | goto Exit; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2940 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2941 | if (rtnl_dump_filter(&rth, show_one_sock, f)) |
| 2942 | goto Exit; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2943 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2944 | ret = 0; |
| 2945 | Exit: |
| 2946 | rtnl_close(&rth); |
| 2947 | return ret; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2948 | } |
| 2949 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2950 | static int unix_show_netlink(struct filter *f) |
Andrey Vagin | d8402b9 | 2013-06-05 12:41:58 +0400 | [diff] [blame] | 2951 | { |
vadimk | 5fb421d | 2014-10-30 18:49:25 +0200 | [diff] [blame] | 2952 | DIAG_REQUEST(req, struct unix_diag_req r); |
Andrey Vagin | d8402b9 | 2013-06-05 12:41:58 +0400 | [diff] [blame] | 2953 | |
| 2954 | req.r.sdiag_family = AF_UNIX; |
| 2955 | req.r.udiag_states = f->states; |
| 2956 | req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN; |
| 2957 | if (show_mem) |
| 2958 | req.r.udiag_show |= UDIAG_SHOW_MEMINFO; |
| 2959 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 2960 | return handle_netlink_request(f, &req.nlh, sizeof(req), unix_show_sock); |
Andrey Vagin | d8402b9 | 2013-06-05 12:41:58 +0400 | [diff] [blame] | 2961 | } |
| 2962 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2963 | static int unix_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2964 | { |
| 2965 | FILE *fp; |
| 2966 | char buf[256]; |
| 2967 | char name[128]; |
| 2968 | int newformat = 0; |
| 2969 | int cnt; |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2970 | struct sockstat *list = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2971 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 2972 | if (!filter_af_get(f, AF_UNIX)) |
| 2973 | return 0; |
| 2974 | |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2975 | if (!unix_use_proc() && unix_show_netlink(f) == 0) |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2976 | return 0; |
| 2977 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2978 | if ((fp = net_unix_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2979 | return -1; |
Phil Sutter | 61170fd | 2015-11-28 01:00:05 +0100 | [diff] [blame] | 2980 | if (!fgets(buf, sizeof(buf), fp)) { |
Phil Sutter | d572ed4 | 2015-11-28 01:00:04 +0100 | [diff] [blame] | 2981 | fclose(fp); |
| 2982 | return -1; |
| 2983 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2984 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2985 | if (memcmp(buf, "Peer", 4) == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2986 | newformat = 1; |
| 2987 | cnt = 0; |
| 2988 | |
Phil Sutter | 61170fd | 2015-11-28 01:00:05 +0100 | [diff] [blame] | 2989 | while (fgets(buf, sizeof(buf), fp)) { |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2990 | struct sockstat *u, **insp; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2991 | int flags; |
| 2992 | |
willy tarreau | 0ee9052 | 2015-10-06 12:09:33 +0200 | [diff] [blame] | 2993 | if (!(u = calloc(1, sizeof(*u)))) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2994 | break; |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 2995 | u->name = NULL; |
| 2996 | u->peer_name = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2997 | |
| 2998 | if (sscanf(buf, "%x: %x %x %x %x %x %d %s", |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 2999 | &u->rport, &u->rq, &u->wq, &flags, &u->type, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3000 | &u->state, &u->ino, name) < 8) |
| 3001 | name[0] = 0; |
| 3002 | |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 3003 | u->lport = u->ino; |
| 3004 | u->local.family = u->remote.family = AF_UNIX; |
| 3005 | |
| 3006 | if (flags & (1 << 16)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3007 | u->state = SS_LISTEN; |
| 3008 | } else { |
| 3009 | u->state = unix_state_map[u->state-1]; |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 3010 | if (u->type == SOCK_DGRAM && u->state == SS_CLOSE && u->rport) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3011 | u->state = SS_ESTABLISHED; |
| 3012 | } |
| 3013 | |
| 3014 | if (!newformat) { |
Vadim Kochan | ec4d0d8 | 2015-02-13 22:14:00 +0200 | [diff] [blame] | 3015 | u->rport = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3016 | u->rq = 0; |
| 3017 | u->wq = 0; |
| 3018 | } |
| 3019 | |
| 3020 | insp = &list; |
| 3021 | while (*insp) { |
| 3022 | if (u->type < (*insp)->type || |
| 3023 | (u->type == (*insp)->type && |
| 3024 | u->ino < (*insp)->ino)) |
| 3025 | break; |
| 3026 | insp = &(*insp)->next; |
| 3027 | } |
| 3028 | u->next = *insp; |
| 3029 | *insp = u; |
| 3030 | |
| 3031 | if (name[0]) { |
Vadim Kochan | 99bb68f | 2015-07-21 10:53:19 -0700 | [diff] [blame] | 3032 | if ((u->name = malloc(strlen(name)+1)) == NULL) |
| 3033 | break; |
| 3034 | strcpy(u->name, name); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3035 | } |
| 3036 | if (++cnt > MAX_UNIX_REMEMBER) { |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 3037 | unix_stats_print(list, f); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3038 | unix_list_free(list); |
| 3039 | list = NULL; |
| 3040 | cnt = 0; |
| 3041 | } |
| 3042 | } |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 3043 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3044 | if (list) { |
Vadim Kochan | bf4ceee | 2015-01-04 22:18:38 +0200 | [diff] [blame] | 3045 | unix_stats_print(list, f); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3046 | unix_list_free(list); |
| 3047 | list = NULL; |
| 3048 | cnt = 0; |
| 3049 | } |
| 3050 | |
| 3051 | return 0; |
| 3052 | } |
| 3053 | |
Vadim Kochan | 89f634f | 2015-02-13 22:13:59 +0200 | [diff] [blame] | 3054 | static int packet_stats_print(struct sockstat *s, const struct filter *f) |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3055 | { |
| 3056 | char *buf = NULL; |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3057 | const char *addr, *port; |
| 3058 | char ll_name[16]; |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3059 | |
| 3060 | if (f->f) { |
Vadim Kochan | 89f634f | 2015-02-13 22:13:59 +0200 | [diff] [blame] | 3061 | s->local.family = AF_PACKET; |
| 3062 | s->remote.family = AF_PACKET; |
Vadim Kochan | 89f634f | 2015-02-13 22:13:59 +0200 | [diff] [blame] | 3063 | s->local.data[0] = s->prot; |
Vadim Kochan | 89f634f | 2015-02-13 22:13:59 +0200 | [diff] [blame] | 3064 | if (run_ssfilter(f->f, s) == 0) |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3065 | return 1; |
| 3066 | } |
| 3067 | |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 3068 | sock_state_print(s, s->type == SOCK_RAW ? "p_raw" : "p_dgr"); |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3069 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3070 | if (s->prot == 3) |
| 3071 | addr = "*"; |
| 3072 | else |
| 3073 | addr = ll_proto_n2a(htons(s->prot), ll_name, sizeof(ll_name)); |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3074 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3075 | if (s->iface == 0) |
| 3076 | port = "*"; |
| 3077 | else |
| 3078 | port = xll_index_to_name(s->iface); |
| 3079 | |
| 3080 | sock_addr_print(addr, ":", port, NULL); |
| 3081 | sock_addr_print("", "*", "", NULL); |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3082 | |
| 3083 | if (show_proc_ctx || show_sock_ctx) { |
| 3084 | if (find_entry(s->ino, &buf, |
| 3085 | (show_proc_ctx & show_sock_ctx) ? |
| 3086 | PROC_SOCK_CTX : PROC_CTX) > 0) { |
| 3087 | printf(" users:(%s)", buf); |
| 3088 | free(buf); |
| 3089 | } |
| 3090 | } else if (show_users) { |
| 3091 | if (find_entry(s->ino, &buf, USERS) > 0) { |
| 3092 | printf(" users:(%s)", buf); |
| 3093 | free(buf); |
| 3094 | } |
| 3095 | } |
| 3096 | |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 3097 | if (show_details) |
| 3098 | sock_details_print(s); |
| 3099 | |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3100 | return 0; |
| 3101 | } |
| 3102 | |
Vadim Kochan | 2631b85 | 2015-05-15 17:19:30 +0300 | [diff] [blame] | 3103 | static void packet_show_ring(struct packet_diag_ring *ring) |
| 3104 | { |
| 3105 | printf("blk_size:%d", ring->pdr_block_size); |
| 3106 | printf(",blk_nr:%d", ring->pdr_block_nr); |
| 3107 | printf(",frm_size:%d", ring->pdr_frame_size); |
| 3108 | printf(",frm_nr:%d", ring->pdr_frame_nr); |
| 3109 | printf(",tmo:%d", ring->pdr_retire_tmo); |
| 3110 | printf(",features:0x%x", ring->pdr_features); |
| 3111 | } |
| 3112 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 3113 | static int packet_show_sock(const struct sockaddr_nl *addr, |
| 3114 | struct nlmsghdr *nlh, void *arg) |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3115 | { |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3116 | const struct filter *f = arg; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3117 | struct packet_diag_msg *r = NLMSG_DATA(nlh); |
Vadim Kochan | 2631b85 | 2015-05-15 17:19:30 +0300 | [diff] [blame] | 3118 | struct packet_diag_info *pinfo = NULL; |
| 3119 | struct packet_diag_ring *ring_rx = NULL, *ring_tx = NULL; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3120 | struct rtattr *tb[PACKET_DIAG_MAX+1]; |
Vadim Kochan | 89f634f | 2015-02-13 22:13:59 +0200 | [diff] [blame] | 3121 | struct sockstat stat = {}; |
Vadim Kochan | 2631b85 | 2015-05-15 17:19:30 +0300 | [diff] [blame] | 3122 | uint32_t fanout = 0; |
| 3123 | bool has_fanout = false; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3124 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3125 | parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr *)(r+1), |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3126 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
| 3127 | |
| 3128 | /* use /proc/net/packet if all info are not available */ |
| 3129 | if (!tb[PACKET_DIAG_MEMINFO]) |
| 3130 | return -1; |
| 3131 | |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 3132 | stat.type = r->pdiag_type; |
| 3133 | stat.prot = r->pdiag_num; |
| 3134 | stat.ino = r->pdiag_ino; |
| 3135 | stat.state = SS_CLOSE; |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 3136 | stat.sk = cookie_sk_get(&r->pdiag_cookie[0]); |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3137 | |
| 3138 | if (tb[PACKET_DIAG_MEMINFO]) { |
| 3139 | __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3140 | |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3141 | stat.rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3142 | } |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3143 | |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3144 | if (tb[PACKET_DIAG_INFO]) { |
Vadim Kochan | 2631b85 | 2015-05-15 17:19:30 +0300 | [diff] [blame] | 3145 | pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]); |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 3146 | stat.lport = stat.iface = pinfo->pdi_index; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3147 | } |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 3148 | |
Vadim Kochan | f1b39e1 | 2015-02-13 22:14:02 +0200 | [diff] [blame] | 3149 | if (tb[PACKET_DIAG_UID]) |
| 3150 | stat.uid = *(__u32 *)RTA_DATA(tb[PACKET_DIAG_UID]); |
| 3151 | |
Vadim Kochan | 2631b85 | 2015-05-15 17:19:30 +0300 | [diff] [blame] | 3152 | if (tb[PACKET_DIAG_RX_RING]) |
| 3153 | ring_rx = RTA_DATA(tb[PACKET_DIAG_RX_RING]); |
| 3154 | |
| 3155 | if (tb[PACKET_DIAG_TX_RING]) |
| 3156 | ring_tx = RTA_DATA(tb[PACKET_DIAG_TX_RING]); |
| 3157 | |
| 3158 | if (tb[PACKET_DIAG_FANOUT]) { |
| 3159 | has_fanout = true; |
| 3160 | fanout = *(uint32_t *)RTA_DATA(tb[PACKET_DIAG_FANOUT]); |
| 3161 | } |
| 3162 | |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3163 | if (packet_stats_print(&stat, f)) |
| 3164 | return 0; |
| 3165 | |
Vadim Kochan | 2631b85 | 2015-05-15 17:19:30 +0300 | [diff] [blame] | 3166 | if (show_details) { |
| 3167 | if (pinfo) { |
| 3168 | printf("\n\tver:%d", pinfo->pdi_version); |
| 3169 | printf(" cpy_thresh:%d", pinfo->pdi_copy_thresh); |
| 3170 | printf(" flags( "); |
| 3171 | if (pinfo->pdi_flags & PDI_RUNNING) |
| 3172 | printf("running"); |
| 3173 | if (pinfo->pdi_flags & PDI_AUXDATA) |
| 3174 | printf(" auxdata"); |
| 3175 | if (pinfo->pdi_flags & PDI_ORIGDEV) |
| 3176 | printf(" origdev"); |
| 3177 | if (pinfo->pdi_flags & PDI_VNETHDR) |
| 3178 | printf(" vnethdr"); |
| 3179 | if (pinfo->pdi_flags & PDI_LOSS) |
| 3180 | printf(" loss"); |
| 3181 | if (!pinfo->pdi_flags) |
| 3182 | printf("0"); |
| 3183 | printf(" )"); |
| 3184 | } |
| 3185 | if (ring_rx) { |
| 3186 | printf("\n\tring_rx("); |
| 3187 | packet_show_ring(ring_rx); |
| 3188 | printf(")"); |
| 3189 | } |
| 3190 | if (ring_tx) { |
| 3191 | printf("\n\tring_tx("); |
| 3192 | packet_show_ring(ring_tx); |
| 3193 | printf(")"); |
| 3194 | } |
| 3195 | if (has_fanout) { |
| 3196 | uint16_t type = (fanout >> 16) & 0xffff; |
| 3197 | |
| 3198 | printf("\n\tfanout("); |
| 3199 | printf("id:%d,", fanout & 0xffff); |
| 3200 | printf("type:"); |
| 3201 | |
| 3202 | if (type == 0) |
| 3203 | printf("hash"); |
| 3204 | else if (type == 1) |
| 3205 | printf("lb"); |
| 3206 | else if (type == 2) |
| 3207 | printf("cpu"); |
| 3208 | else if (type == 3) |
| 3209 | printf("roll"); |
| 3210 | else if (type == 4) |
| 3211 | printf("random"); |
| 3212 | else if (type == 5) |
| 3213 | printf("qm"); |
| 3214 | else |
| 3215 | printf("0x%x", type); |
| 3216 | |
| 3217 | printf(")"); |
| 3218 | } |
| 3219 | } |
| 3220 | |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3221 | if (show_bpf && tb[PACKET_DIAG_FILTER]) { |
| 3222 | struct sock_filter *fil = |
| 3223 | RTA_DATA(tb[PACKET_DIAG_FILTER]); |
| 3224 | int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) / |
| 3225 | sizeof(struct sock_filter); |
| 3226 | |
| 3227 | printf("\n\tbpf filter (%d): ", num); |
| 3228 | while (num) { |
| 3229 | printf(" 0x%02x %u %u %u,", |
| 3230 | fil->code, fil->jt, fil->jf, fil->k); |
| 3231 | num--; |
| 3232 | fil++; |
| 3233 | } |
| 3234 | } |
| 3235 | printf("\n"); |
| 3236 | return 0; |
| 3237 | } |
| 3238 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 3239 | static int packet_show_netlink(struct filter *f) |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3240 | { |
vadimk | 5fb421d | 2014-10-30 18:49:25 +0200 | [diff] [blame] | 3241 | DIAG_REQUEST(req, struct packet_diag_req r); |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3242 | |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3243 | req.r.sdiag_family = AF_PACKET; |
Vadim Kochan | 2631b85 | 2015-05-15 17:19:30 +0300 | [diff] [blame] | 3244 | req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO | |
| 3245 | PACKET_SHOW_FILTER | PACKET_SHOW_RING_CFG | PACKET_SHOW_FANOUT; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3246 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 3247 | return handle_netlink_request(f, &req.nlh, sizeof(req), packet_show_sock); |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3248 | } |
| 3249 | |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3250 | static int packet_show_line(char *buf, const struct filter *f, int fam) |
| 3251 | { |
| 3252 | unsigned long long sk; |
Vadim Kochan | 89f634f | 2015-02-13 22:13:59 +0200 | [diff] [blame] | 3253 | struct sockstat stat = {}; |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3254 | int type, prot, iface, state, rq, uid, ino; |
| 3255 | |
| 3256 | sscanf(buf, "%llx %*d %d %x %d %d %u %u %u", |
| 3257 | &sk, |
| 3258 | &type, &prot, &iface, &state, |
| 3259 | &rq, &uid, &ino); |
| 3260 | |
| 3261 | if (stat.type == SOCK_RAW && !(f->dbs&(1<<PACKET_R_DB))) |
| 3262 | return 0; |
| 3263 | if (stat.type == SOCK_DGRAM && !(f->dbs&(1<<PACKET_DG_DB))) |
| 3264 | return 0; |
| 3265 | |
| 3266 | stat.type = type; |
| 3267 | stat.prot = prot; |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 3268 | stat.lport = stat.iface = iface; |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3269 | stat.state = state; |
| 3270 | stat.rq = rq; |
| 3271 | stat.uid = uid; |
| 3272 | stat.ino = ino; |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 3273 | stat.state = SS_CLOSE; |
| 3274 | |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3275 | if (packet_stats_print(&stat, f)) |
| 3276 | return 0; |
| 3277 | |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3278 | printf("\n"); |
| 3279 | return 0; |
| 3280 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3281 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 3282 | static int packet_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3283 | { |
| 3284 | FILE *fp; |
Phil Sutter | b95d28c | 2015-08-06 14:24:34 +0200 | [diff] [blame] | 3285 | int rc = 0; |
Stephen Hemminger | 3d0b743 | 2014-12-20 15:47:17 -0800 | [diff] [blame] | 3286 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3287 | if (!filter_af_get(f, AF_PACKET) || !(f->states & (1 << SS_CLOSE))) |
Vadim Kochan | b9ea445 | 2014-12-20 15:40:55 -0800 | [diff] [blame] | 3288 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3289 | |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3290 | if (!getenv("PROC_NET_PACKET") && !getenv("PROC_ROOT") && |
| 3291 | packet_show_netlink(f) == 0) |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3292 | return 0; |
| 3293 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 3294 | if ((fp = net_packet_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3295 | return -1; |
Vadim Kochan | 4a0053b | 2015-01-04 22:18:39 +0200 | [diff] [blame] | 3296 | if (generic_record_read(fp, packet_show_line, f, AF_PACKET)) |
Phil Sutter | b95d28c | 2015-08-06 14:24:34 +0200 | [diff] [blame] | 3297 | rc = -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3298 | |
Phil Sutter | b95d28c | 2015-08-06 14:24:34 +0200 | [diff] [blame] | 3299 | fclose(fp); |
| 3300 | return rc; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3301 | } |
| 3302 | |
Vadim Kochan | 5f24ec0 | 2015-02-22 22:23:11 +0200 | [diff] [blame] | 3303 | static int netlink_show_one(struct filter *f, |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3304 | int prot, int pid, unsigned int groups, |
| 3305 | int state, int dst_pid, unsigned int dst_group, |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3306 | int rq, int wq, |
| 3307 | unsigned long long sk, unsigned long long cb) |
| 3308 | { |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 3309 | struct sockstat st; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3310 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3311 | SPRINT_BUF(prot_buf) = {}; |
| 3312 | const char *prot_name; |
| 3313 | char procname[64] = {}; |
vadimk | eef43b5 | 2014-10-30 17:33:36 +0200 | [diff] [blame] | 3314 | |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 3315 | st.state = SS_CLOSE; |
| 3316 | st.rq = rq; |
| 3317 | st.wq = wq; |
| 3318 | |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3319 | if (f->f) { |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 3320 | st.local.family = AF_NETLINK; |
| 3321 | st.remote.family = AF_NETLINK; |
| 3322 | st.rport = -1; |
| 3323 | st.lport = pid; |
| 3324 | st.local.data[0] = prot; |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 3325 | if (run_ssfilter(f->f, &st) == 0) |
Vadim Kochan | 5f24ec0 | 2015-02-22 22:23:11 +0200 | [diff] [blame] | 3326 | return 1; |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3327 | } |
| 3328 | |
Vadim Kochan | 2d791bc | 2015-02-13 22:14:01 +0200 | [diff] [blame] | 3329 | sock_state_print(&st, "nl"); |
vadimk | eef43b5 | 2014-10-30 17:33:36 +0200 | [diff] [blame] | 3330 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3331 | if (resolve_services) |
| 3332 | prot_name = nl_proto_n2a(prot, prot_buf, sizeof(prot_buf)); |
| 3333 | else |
| 3334 | prot_name = int_to_str(prot, prot_buf); |
vadimk | eef43b5 | 2014-10-30 17:33:36 +0200 | [diff] [blame] | 3335 | |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3336 | if (pid == -1) { |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3337 | procname[0] = '*'; |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3338 | } else if (resolve_services) { |
| 3339 | int done = 0; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3340 | |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3341 | if (!pid) { |
| 3342 | done = 1; |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3343 | strncpy(procname, "kernel", 6); |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3344 | } else if (pid > 0) { |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3345 | FILE *fp; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3346 | |
willy tarreau | 0ee9052 | 2015-10-06 12:09:33 +0200 | [diff] [blame] | 3347 | snprintf(procname, sizeof(procname), "%s/%d/stat", |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3348 | getenv("PROC_ROOT") ? : "/proc", pid); |
| 3349 | if ((fp = fopen(procname, "r")) != NULL) { |
| 3350 | if (fscanf(fp, "%*d (%[^)])", procname) == 1) { |
willy tarreau | 0ee9052 | 2015-10-06 12:09:33 +0200 | [diff] [blame] | 3351 | snprintf(procname+strlen(procname), |
| 3352 | sizeof(procname)-strlen(procname), |
| 3353 | "/%d", pid); |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3354 | done = 1; |
| 3355 | } |
| 3356 | fclose(fp); |
| 3357 | } |
| 3358 | } |
| 3359 | if (!done) |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3360 | int_to_str(pid, procname); |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3361 | } else { |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3362 | int_to_str(pid, procname); |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3363 | } |
Andrey Vagin | f271fe0 | 2013-06-05 12:42:00 +0400 | [diff] [blame] | 3364 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3365 | sock_addr_print(prot_name, ":", procname, NULL); |
| 3366 | |
Andrey Vagin | f271fe0 | 2013-06-05 12:42:00 +0400 | [diff] [blame] | 3367 | if (state == NETLINK_CONNECTED) { |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3368 | char dst_group_buf[30]; |
| 3369 | char dst_pid_buf[30]; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3370 | |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3371 | sock_addr_print(int_to_str(dst_group, dst_group_buf), ":", |
| 3372 | int_to_str(dst_pid, dst_pid_buf), NULL); |
Andrey Vagin | f271fe0 | 2013-06-05 12:42:00 +0400 | [diff] [blame] | 3373 | } else { |
Vadim Kochan | b217df1 | 2015-02-13 22:14:03 +0200 | [diff] [blame] | 3374 | sock_addr_print("", "*", "", NULL); |
Andrey Vagin | f271fe0 | 2013-06-05 12:42:00 +0400 | [diff] [blame] | 3375 | } |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3376 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 3377 | char *pid_context = NULL; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3378 | |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 3379 | if (show_proc_ctx) { |
| 3380 | /* The pid value will either be: |
| 3381 | * 0 if destination kernel - show kernel initial context. |
| 3382 | * A valid process pid - use getpidcon. |
| 3383 | * A unique value allocated by the kernel or netlink user |
| 3384 | * to the process - show context as "not available". |
| 3385 | */ |
| 3386 | if (!pid) |
| 3387 | security_get_initial_context("kernel", &pid_context); |
| 3388 | else if (pid > 0) |
| 3389 | getpidcon(pid, &pid_context); |
| 3390 | |
| 3391 | if (pid_context != NULL) { |
| 3392 | printf("proc_ctx=%-*s ", serv_width, pid_context); |
| 3393 | free(pid_context); |
| 3394 | } else { |
| 3395 | printf("proc_ctx=%-*s ", serv_width, "unavailable"); |
| 3396 | } |
| 3397 | } |
| 3398 | |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3399 | if (show_details) { |
| 3400 | printf(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups); |
| 3401 | } |
| 3402 | printf("\n"); |
| 3403 | |
Vadim Kochan | 5f24ec0 | 2015-02-22 22:23:11 +0200 | [diff] [blame] | 3404 | return 0; |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3405 | } |
| 3406 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 3407 | static int netlink_show_sock(const struct sockaddr_nl *addr, |
| 3408 | struct nlmsghdr *nlh, void *arg) |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3409 | { |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 3410 | struct filter *f = (struct filter *)arg; |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3411 | struct netlink_diag_msg *r = NLMSG_DATA(nlh); |
| 3412 | struct rtattr *tb[NETLINK_DIAG_MAX+1]; |
| 3413 | int rq = 0, wq = 0; |
| 3414 | unsigned long groups = 0; |
| 3415 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3416 | parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr *)(r+1), |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3417 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
| 3418 | |
| 3419 | if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS])) |
| 3420 | groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]); |
| 3421 | |
| 3422 | if (tb[NETLINK_DIAG_MEMINFO]) { |
| 3423 | const __u32 *skmeminfo; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3424 | |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3425 | skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]); |
| 3426 | |
| 3427 | rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; |
| 3428 | wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC]; |
| 3429 | } |
| 3430 | |
Vadim Kochan | 5f24ec0 | 2015-02-22 22:23:11 +0200 | [diff] [blame] | 3431 | if (netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups, |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3432 | r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group, |
Vadim Kochan | 5f24ec0 | 2015-02-22 22:23:11 +0200 | [diff] [blame] | 3433 | rq, wq, 0, 0)) { |
| 3434 | return 0; |
| 3435 | } |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3436 | |
| 3437 | if (show_mem) { |
| 3438 | printf("\t"); |
| 3439 | print_skmeminfo(tb, NETLINK_DIAG_MEMINFO); |
| 3440 | printf("\n"); |
| 3441 | } |
| 3442 | |
| 3443 | return 0; |
| 3444 | } |
| 3445 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 3446 | static int netlink_show_netlink(struct filter *f) |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3447 | { |
vadimk | 5fb421d | 2014-10-30 18:49:25 +0200 | [diff] [blame] | 3448 | DIAG_REQUEST(req, struct netlink_diag_req r); |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3449 | |
| 3450 | req.r.sdiag_family = AF_NETLINK; |
| 3451 | req.r.sdiag_protocol = NDIAG_PROTO_ALL; |
| 3452 | req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO; |
| 3453 | |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 3454 | return handle_netlink_request(f, &req.nlh, sizeof(req), netlink_show_sock); |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 3455 | } |
| 3456 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 3457 | static int netlink_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3458 | { |
| 3459 | FILE *fp; |
| 3460 | char buf[256]; |
| 3461 | int prot, pid; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3462 | unsigned int groups; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3463 | int rq, wq, rc; |
| 3464 | unsigned long long sk, cb; |
| 3465 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3466 | if (!filter_af_get(f, AF_NETLINK) || !(f->states & (1 << SS_CLOSE))) |
Vadim Kochan | b9ea445 | 2014-12-20 15:40:55 -0800 | [diff] [blame] | 3467 | return 0; |
| 3468 | |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3469 | if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") && |
vadimk | 8a4025f | 2014-12-04 12:32:58 +0200 | [diff] [blame] | 3470 | netlink_show_netlink(f) == 0) |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 3471 | return 0; |
| 3472 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 3473 | if ((fp = net_netlink_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3474 | return -1; |
Phil Sutter | 61170fd | 2015-11-28 01:00:05 +0100 | [diff] [blame] | 3475 | if (!fgets(buf, sizeof(buf), fp)) { |
Phil Sutter | d572ed4 | 2015-11-28 01:00:04 +0100 | [diff] [blame] | 3476 | fclose(fp); |
| 3477 | return -1; |
| 3478 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3479 | |
Phil Sutter | 61170fd | 2015-11-28 01:00:05 +0100 | [diff] [blame] | 3480 | while (fgets(buf, sizeof(buf), fp)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3481 | sscanf(buf, "%llx %d %d %x %d %d %llx %d", |
| 3482 | &sk, |
| 3483 | &prot, &pid, &groups, &rq, &wq, &cb, &rc); |
| 3484 | |
Andrey Vagin | f271fe0 | 2013-06-05 12:42:00 +0400 | [diff] [blame] | 3485 | netlink_show_one(f, prot, pid, groups, 0, 0, 0, rq, wq, sk, cb); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3486 | } |
| 3487 | |
Phil Sutter | b95d28c | 2015-08-06 14:24:34 +0200 | [diff] [blame] | 3488 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3489 | return 0; |
| 3490 | } |
| 3491 | |
Craig Gallek | 6885e3b | 2015-06-17 11:14:48 -0400 | [diff] [blame] | 3492 | struct sock_diag_msg { |
| 3493 | __u8 sdiag_family; |
| 3494 | }; |
| 3495 | |
| 3496 | static int generic_show_sock(const struct sockaddr_nl *addr, |
| 3497 | struct nlmsghdr *nlh, void *arg) |
| 3498 | { |
| 3499 | struct sock_diag_msg *r = NLMSG_DATA(nlh); |
| 3500 | struct inet_diag_arg inet_arg = { .f = arg, .protocol = IPPROTO_MAX }; |
| 3501 | |
| 3502 | switch (r->sdiag_family) { |
| 3503 | case AF_INET: |
| 3504 | case AF_INET6: |
| 3505 | return show_one_inet_sock(addr, nlh, &inet_arg); |
| 3506 | case AF_UNIX: |
| 3507 | return unix_show_sock(addr, nlh, arg); |
| 3508 | case AF_PACKET: |
| 3509 | return packet_show_sock(addr, nlh, arg); |
| 3510 | case AF_NETLINK: |
| 3511 | return netlink_show_sock(addr, nlh, arg); |
| 3512 | default: |
| 3513 | return -1; |
| 3514 | } |
| 3515 | } |
| 3516 | |
| 3517 | static int handle_follow_request(struct filter *f) |
| 3518 | { |
| 3519 | int ret = -1; |
| 3520 | int groups = 0; |
| 3521 | struct rtnl_handle rth; |
| 3522 | |
| 3523 | if (f->families & (1 << AF_INET) && f->dbs & (1 << TCP_DB)) |
| 3524 | groups |= 1 << (SKNLGRP_INET_TCP_DESTROY - 1); |
| 3525 | if (f->families & (1 << AF_INET) && f->dbs & (1 << UDP_DB)) |
| 3526 | groups |= 1 << (SKNLGRP_INET_UDP_DESTROY - 1); |
| 3527 | if (f->families & (1 << AF_INET6) && f->dbs & (1 << TCP_DB)) |
| 3528 | groups |= 1 << (SKNLGRP_INET6_TCP_DESTROY - 1); |
| 3529 | if (f->families & (1 << AF_INET6) && f->dbs & (1 << UDP_DB)) |
| 3530 | groups |= 1 << (SKNLGRP_INET6_UDP_DESTROY - 1); |
| 3531 | |
| 3532 | if (groups == 0) |
| 3533 | return -1; |
| 3534 | |
| 3535 | if (rtnl_open_byproto(&rth, groups, NETLINK_SOCK_DIAG)) |
| 3536 | return -1; |
| 3537 | |
| 3538 | rth.dump = 0; |
| 3539 | rth.local.nl_pid = 0; |
| 3540 | |
| 3541 | if (rtnl_dump_filter(&rth, generic_show_sock, f)) |
| 3542 | goto Exit; |
| 3543 | |
| 3544 | ret = 0; |
| 3545 | Exit: |
| 3546 | rtnl_close(&rth); |
| 3547 | return ret; |
| 3548 | } |
| 3549 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3550 | struct snmpstat { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3551 | int tcp_estab; |
| 3552 | }; |
| 3553 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 3554 | static int get_snmp_int(char *proto, char *key, int *result) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3555 | { |
| 3556 | char buf[1024]; |
| 3557 | FILE *fp; |
| 3558 | int protolen = strlen(proto); |
| 3559 | int keylen = strlen(key); |
| 3560 | |
| 3561 | *result = 0; |
| 3562 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 3563 | if ((fp = net_snmp_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3564 | return -1; |
| 3565 | |
| 3566 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
| 3567 | char *p = buf; |
| 3568 | int pos = 0; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3569 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3570 | if (memcmp(buf, proto, protolen)) |
| 3571 | continue; |
| 3572 | while ((p = strchr(p, ' ')) != NULL) { |
| 3573 | pos++; |
| 3574 | p++; |
| 3575 | if (memcmp(p, key, keylen) == 0 && |
| 3576 | (p[keylen] == ' ' || p[keylen] == '\n')) |
| 3577 | break; |
| 3578 | } |
| 3579 | if (fgets(buf, sizeof(buf), fp) == NULL) |
| 3580 | break; |
| 3581 | if (memcmp(buf, proto, protolen)) |
| 3582 | break; |
| 3583 | p = buf; |
| 3584 | while ((p = strchr(p, ' ')) != NULL) { |
| 3585 | p++; |
| 3586 | if (--pos == 0) { |
| 3587 | sscanf(p, "%d", result); |
| 3588 | fclose(fp); |
| 3589 | return 0; |
| 3590 | } |
| 3591 | } |
| 3592 | } |
| 3593 | |
| 3594 | fclose(fp); |
| 3595 | errno = ESRCH; |
| 3596 | return -1; |
| 3597 | } |
| 3598 | |
| 3599 | |
| 3600 | /* Get stats from sockstat */ |
| 3601 | |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3602 | struct ssummary { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3603 | int socks; |
| 3604 | int tcp_mem; |
| 3605 | int tcp_total; |
| 3606 | int tcp_orphans; |
| 3607 | int tcp_tws; |
| 3608 | int tcp4_hashed; |
| 3609 | int udp4; |
| 3610 | int raw4; |
| 3611 | int frag4; |
| 3612 | int frag4_mem; |
| 3613 | int tcp6_hashed; |
| 3614 | int udp6; |
| 3615 | int raw6; |
| 3616 | int frag6; |
| 3617 | int frag6_mem; |
| 3618 | }; |
| 3619 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 3620 | static void get_sockstat_line(char *line, struct ssummary *s) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3621 | { |
| 3622 | char id[256], rem[256]; |
| 3623 | |
| 3624 | if (sscanf(line, "%[^ ] %[^\n]\n", id, rem) != 2) |
| 3625 | return; |
| 3626 | |
| 3627 | if (strcmp(id, "sockets:") == 0) |
| 3628 | sscanf(rem, "%*s%d", &s->socks); |
| 3629 | else if (strcmp(id, "UDP:") == 0) |
| 3630 | sscanf(rem, "%*s%d", &s->udp4); |
| 3631 | else if (strcmp(id, "UDP6:") == 0) |
| 3632 | sscanf(rem, "%*s%d", &s->udp6); |
| 3633 | else if (strcmp(id, "RAW:") == 0) |
| 3634 | sscanf(rem, "%*s%d", &s->raw4); |
| 3635 | else if (strcmp(id, "RAW6:") == 0) |
| 3636 | sscanf(rem, "%*s%d", &s->raw6); |
| 3637 | else if (strcmp(id, "TCP6:") == 0) |
| 3638 | sscanf(rem, "%*s%d", &s->tcp6_hashed); |
| 3639 | else if (strcmp(id, "FRAG:") == 0) |
| 3640 | sscanf(rem, "%*s%d%*s%d", &s->frag4, &s->frag4_mem); |
| 3641 | else if (strcmp(id, "FRAG6:") == 0) |
| 3642 | sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem); |
| 3643 | else if (strcmp(id, "TCP:") == 0) |
| 3644 | sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d", |
| 3645 | &s->tcp4_hashed, |
| 3646 | &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem); |
| 3647 | } |
| 3648 | |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 3649 | static int get_sockstat(struct ssummary *s) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3650 | { |
| 3651 | char buf[256]; |
| 3652 | FILE *fp; |
| 3653 | |
| 3654 | memset(s, 0, sizeof(*s)); |
| 3655 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 3656 | if ((fp = net_sockstat_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3657 | return -1; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3658 | while (fgets(buf, sizeof(buf), fp) != NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3659 | get_sockstat_line(buf, s); |
| 3660 | fclose(fp); |
| 3661 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 3662 | if ((fp = net_sockstat6_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3663 | return 0; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3664 | while (fgets(buf, sizeof(buf), fp) != NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3665 | get_sockstat_line(buf, s); |
| 3666 | fclose(fp); |
| 3667 | |
| 3668 | return 0; |
| 3669 | } |
| 3670 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 3671 | static int print_summary(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3672 | { |
Vadim Kochan | 055840f | 2015-02-13 22:13:58 +0200 | [diff] [blame] | 3673 | struct ssummary s; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3674 | struct snmpstat sn; |
| 3675 | |
| 3676 | if (get_sockstat(&s) < 0) |
| 3677 | perror("ss: get_sockstat"); |
| 3678 | if (get_snmp_int("Tcp:", "CurrEstab", &sn.tcp_estab) < 0) |
| 3679 | perror("ss: get_snmpstat"); |
| 3680 | |
Bryton Lee | a221d62 | 2015-02-12 14:16:04 +0800 | [diff] [blame] | 3681 | get_slabstat(&slabstat); |
| 3682 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3683 | printf("Total: %d (kernel %d)\n", s.socks, slabstat.socks); |
| 3684 | |
| 3685 | printf("TCP: %d (estab %d, closed %d, orphaned %d, synrecv %d, timewait %d/%d), ports %d\n", |
| 3686 | s.tcp_total + slabstat.tcp_syns + s.tcp_tws, |
| 3687 | sn.tcp_estab, |
| 3688 | s.tcp_total - (s.tcp4_hashed+s.tcp6_hashed-s.tcp_tws), |
| 3689 | s.tcp_orphans, |
| 3690 | slabstat.tcp_syns, |
| 3691 | s.tcp_tws, slabstat.tcp_tws, |
| 3692 | slabstat.tcp_ports |
| 3693 | ); |
| 3694 | |
| 3695 | printf("\n"); |
| 3696 | printf("Transport Total IP IPv6\n"); |
| 3697 | printf("* %-9d %-9s %-9s\n", slabstat.socks, "-", "-"); |
| 3698 | printf("RAW %-9d %-9d %-9d\n", s.raw4+s.raw6, s.raw4, s.raw6); |
| 3699 | printf("UDP %-9d %-9d %-9d\n", s.udp4+s.udp6, s.udp4, s.udp6); |
| 3700 | printf("TCP %-9d %-9d %-9d\n", s.tcp4_hashed+s.tcp6_hashed, s.tcp4_hashed, s.tcp6_hashed); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 3701 | printf("INET %-9d %-9d %-9d\n", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3702 | s.raw4+s.udp4+s.tcp4_hashed+ |
| 3703 | s.raw6+s.udp6+s.tcp6_hashed, |
| 3704 | s.raw4+s.udp4+s.tcp4_hashed, |
| 3705 | s.raw6+s.udp6+s.tcp6_hashed); |
| 3706 | printf("FRAG %-9d %-9d %-9d\n", s.frag4+s.frag6, s.frag4, s.frag6); |
| 3707 | |
| 3708 | printf("\n"); |
| 3709 | |
| 3710 | return 0; |
| 3711 | } |
| 3712 | |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3713 | static void _usage(FILE *dest) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3714 | { |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3715 | fprintf(dest, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3716 | "Usage: ss [ OPTIONS ]\n" |
| 3717 | " ss [ OPTIONS ] [ FILTER ]\n" |
Vadim Kochan | ff041f1 | 2015-01-08 04:30:43 +0200 | [diff] [blame] | 3718 | " -h, --help this message\n" |
| 3719 | " -V, --version output version information\n" |
| 3720 | " -n, --numeric don't resolve service names\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3721 | " -r, --resolve resolve host names\n" |
Vadim Kochan | ff041f1 | 2015-01-08 04:30:43 +0200 | [diff] [blame] | 3722 | " -a, --all display all sockets\n" |
| 3723 | " -l, --listening display listening sockets\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3724 | " -o, --options show timer information\n" |
| 3725 | " -e, --extended show detailed socket information\n" |
| 3726 | " -m, --memory show socket memory usage\n" |
Vadim Kochan | ff041f1 | 2015-01-08 04:30:43 +0200 | [diff] [blame] | 3727 | " -p, --processes show process using socket\n" |
| 3728 | " -i, --info show internal TCP information\n" |
| 3729 | " -s, --summary show socket usage summary\n" |
Rami Rosen | b0f01cf | 2013-05-24 12:42:40 +0300 | [diff] [blame] | 3730 | " -b, --bpf show bpf filter socket information\n" |
Craig Gallek | 6885e3b | 2015-06-17 11:14:48 -0400 | [diff] [blame] | 3731 | " -E, --events continually display sockets as they are destroyed\n" |
Vadim Kochan | ff041f1 | 2015-01-08 04:30:43 +0200 | [diff] [blame] | 3732 | " -Z, --context display process SELinux security contexts\n" |
| 3733 | " -z, --contexts display process and socket SELinux security contexts\n" |
Vadim Kochan | 95ce04b | 2015-02-08 08:58:43 +0200 | [diff] [blame] | 3734 | " -N, --net switch to the specified network namespace name\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3735 | "\n" |
| 3736 | " -4, --ipv4 display only IP version 4 sockets\n" |
| 3737 | " -6, --ipv6 display only IP version 6 sockets\n" |
Vadim Kochan | ff041f1 | 2015-01-08 04:30:43 +0200 | [diff] [blame] | 3738 | " -0, --packet display PACKET sockets\n" |
| 3739 | " -t, --tcp display only TCP sockets\n" |
| 3740 | " -u, --udp display only UDP sockets\n" |
| 3741 | " -d, --dccp display only DCCP sockets\n" |
| 3742 | " -w, --raw display only RAW sockets\n" |
| 3743 | " -x, --unix display only Unix domain sockets\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3744 | " -f, --family=FAMILY display sockets of type FAMILY\n" |
Fabien Siron | ebef317 | 2016-06-06 14:53:38 +0000 | [diff] [blame] | 3745 | " FAMILY := {inet|inet6|link|unix|netlink|help}\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3746 | "\n" |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 3747 | " -K, --kill forcibly close sockets, display what was closed\n" |
David Ahern | 7a4559f | 2016-07-15 15:45:39 -0700 | [diff] [blame] | 3748 | " -H, --no-header Suppress header line\n" |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 3749 | "\n" |
Petr Sabata | 583de14 | 2011-10-06 14:45:32 +0200 | [diff] [blame] | 3750 | " -A, --query=QUERY, --socket=QUERY\n" |
Masatake YAMATO | 56dee73 | 2014-01-08 20:13:48 +0900 | [diff] [blame] | 3751 | " QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink}[,QUERY]\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3752 | "\n" |
Petr Sabata | 583de14 | 2011-10-06 14:45:32 +0200 | [diff] [blame] | 3753 | " -D, --diag=FILE Dump raw information about TCP sockets to FILE\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3754 | " -F, --filter=FILE read filter information from FILE\n" |
Vadim Kochan | ff041f1 | 2015-01-08 04:30:43 +0200 | [diff] [blame] | 3755 | " FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n" |
| 3756 | " STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n" |
| 3757 | " TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listen|closing}\n" |
| 3758 | " connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" |
| 3759 | " synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" |
| 3760 | " bucket := {syn-recv|time-wait}\n" |
| 3761 | " big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listen|closing}\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3762 | ); |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3763 | } |
| 3764 | |
| 3765 | static void help(void) __attribute__((noreturn)); |
| 3766 | static void help(void) |
| 3767 | { |
| 3768 | _usage(stdout); |
| 3769 | exit(0); |
| 3770 | } |
| 3771 | |
| 3772 | static void usage(void) __attribute__((noreturn)); |
| 3773 | static void usage(void) |
| 3774 | { |
| 3775 | _usage(stderr); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3776 | exit(-1); |
| 3777 | } |
| 3778 | |
| 3779 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 3780 | static int scan_state(const char *state) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3781 | { |
| 3782 | int i; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3783 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3784 | if (strcasecmp(state, "close") == 0 || |
| 3785 | strcasecmp(state, "closed") == 0) |
| 3786 | return (1<<SS_CLOSE); |
| 3787 | if (strcasecmp(state, "syn-rcv") == 0) |
| 3788 | return (1<<SS_SYN_RECV); |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3789 | if (strcasecmp(state, "established") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3790 | return (1<<SS_ESTABLISHED); |
| 3791 | if (strcasecmp(state, "all") == 0) |
| 3792 | return SS_ALL; |
| 3793 | if (strcasecmp(state, "connected") == 0) |
| 3794 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)); |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3795 | if (strcasecmp(state, "synchronized") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3796 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)|(1<<SS_SYN_SENT)); |
| 3797 | if (strcasecmp(state, "bucket") == 0) |
| 3798 | return (1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT); |
| 3799 | if (strcasecmp(state, "big") == 0) |
| 3800 | return SS_ALL & ~((1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT)); |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3801 | for (i = 0; i < SS_MAX; i++) { |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3802 | if (strcasecmp(state, sstate_namel[i]) == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3803 | return (1<<i); |
| 3804 | } |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3805 | |
| 3806 | fprintf(stderr, "ss: wrong state name: %s\n", state); |
| 3807 | exit(-1); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3808 | } |
| 3809 | |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3810 | static const struct option long_opts[] = { |
| 3811 | { "numeric", 0, 0, 'n' }, |
| 3812 | { "resolve", 0, 0, 'r' }, |
| 3813 | { "options", 0, 0, 'o' }, |
| 3814 | { "extended", 0, 0, 'e' }, |
| 3815 | { "memory", 0, 0, 'm' }, |
| 3816 | { "info", 0, 0, 'i' }, |
| 3817 | { "processes", 0, 0, 'p' }, |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3818 | { "bpf", 0, 0, 'b' }, |
Craig Gallek | 6885e3b | 2015-06-17 11:14:48 -0400 | [diff] [blame] | 3819 | { "events", 0, 0, 'E' }, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3820 | { "dccp", 0, 0, 'd' }, |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3821 | { "tcp", 0, 0, 't' }, |
| 3822 | { "udp", 0, 0, 'u' }, |
| 3823 | { "raw", 0, 0, 'w' }, |
| 3824 | { "unix", 0, 0, 'x' }, |
| 3825 | { "all", 0, 0, 'a' }, |
| 3826 | { "listening", 0, 0, 'l' }, |
| 3827 | { "ipv4", 0, 0, '4' }, |
| 3828 | { "ipv6", 0, 0, '6' }, |
| 3829 | { "packet", 0, 0, '0' }, |
| 3830 | { "family", 1, 0, 'f' }, |
| 3831 | { "socket", 1, 0, 'A' }, |
Petr Sabata | 583de14 | 2011-10-06 14:45:32 +0200 | [diff] [blame] | 3832 | { "query", 1, 0, 'A' }, |
osdl.net!shemminger | c3f346b | 2005-01-18 22:31:42 +0000 | [diff] [blame] | 3833 | { "summary", 0, 0, 's' }, |
Petr Sabata | 583de14 | 2011-10-06 14:45:32 +0200 | [diff] [blame] | 3834 | { "diag", 1, 0, 'D' }, |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3835 | { "filter", 1, 0, 'F' }, |
| 3836 | { "version", 0, 0, 'V' }, |
| 3837 | { "help", 0, 0, 'h' }, |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 3838 | { "context", 0, 0, 'Z' }, |
| 3839 | { "contexts", 0, 0, 'z' }, |
Vadim Kochan | 95ce04b | 2015-02-08 08:58:43 +0200 | [diff] [blame] | 3840 | { "net", 1, 0, 'N' }, |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 3841 | { "kill", 0, 0, 'K' }, |
David Ahern | 7a4559f | 2016-07-15 15:45:39 -0700 | [diff] [blame] | 3842 | { "no-header", 0, 0, 'H' }, |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3843 | { 0 } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 3844 | |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3845 | }; |
| 3846 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3847 | int main(int argc, char *argv[]) |
| 3848 | { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3849 | int saw_states = 0; |
| 3850 | int saw_query = 0; |
| 3851 | int do_summary = 0; |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 3852 | const char *dump_tcpdiag = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3853 | FILE *filter_fp = NULL; |
| 3854 | int ch; |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3855 | int state_filter = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3856 | |
David Ahern | 7a4559f | 2016-07-15 15:45:39 -0700 | [diff] [blame] | 3857 | while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KH", |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3858 | long_opts, NULL)) != EOF) { |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3859 | switch (ch) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3860 | case 'n': |
| 3861 | resolve_services = 0; |
| 3862 | break; |
| 3863 | case 'r': |
| 3864 | resolve_hosts = 1; |
| 3865 | break; |
| 3866 | case 'o': |
| 3867 | show_options = 1; |
| 3868 | break; |
| 3869 | case 'e': |
| 3870 | show_options = 1; |
| 3871 | show_details++; |
| 3872 | break; |
| 3873 | case 'm': |
| 3874 | show_mem = 1; |
| 3875 | break; |
| 3876 | case 'i': |
| 3877 | show_tcpinfo = 1; |
| 3878 | break; |
| 3879 | case 'p': |
| 3880 | show_users++; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 3881 | user_ent_hash_build(); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3882 | break; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3883 | case 'b': |
| 3884 | show_options = 1; |
| 3885 | show_bpf++; |
| 3886 | break; |
Craig Gallek | 6885e3b | 2015-06-17 11:14:48 -0400 | [diff] [blame] | 3887 | case 'E': |
| 3888 | follow_events = 1; |
| 3889 | break; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3890 | case 'd': |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3891 | filter_db_set(¤t_filter, DCCP_DB); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3892 | break; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3893 | case 't': |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3894 | filter_db_set(¤t_filter, TCP_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3895 | break; |
| 3896 | case 'u': |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3897 | filter_db_set(¤t_filter, UDP_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3898 | break; |
| 3899 | case 'w': |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3900 | filter_db_set(¤t_filter, RAW_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3901 | break; |
| 3902 | case 'x': |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3903 | filter_af_set(¤t_filter, AF_UNIX); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3904 | break; |
| 3905 | case 'a': |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3906 | state_filter = SS_ALL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3907 | break; |
| 3908 | case 'l': |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3909 | state_filter = (1 << SS_LISTEN) | (1 << SS_CLOSE); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3910 | break; |
| 3911 | case '4': |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3912 | filter_af_set(¤t_filter, AF_INET); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3913 | break; |
| 3914 | case '6': |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3915 | filter_af_set(¤t_filter, AF_INET6); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3916 | break; |
| 3917 | case '0': |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3918 | filter_af_set(¤t_filter, AF_PACKET); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3919 | break; |
| 3920 | case 'f': |
| 3921 | if (strcmp(optarg, "inet") == 0) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3922 | filter_af_set(¤t_filter, AF_INET); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3923 | else if (strcmp(optarg, "inet6") == 0) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3924 | filter_af_set(¤t_filter, AF_INET6); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3925 | else if (strcmp(optarg, "link") == 0) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3926 | filter_af_set(¤t_filter, AF_PACKET); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3927 | else if (strcmp(optarg, "unix") == 0) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3928 | filter_af_set(¤t_filter, AF_UNIX); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3929 | else if (strcmp(optarg, "netlink") == 0) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3930 | filter_af_set(¤t_filter, AF_NETLINK); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3931 | else if (strcmp(optarg, "help") == 0) |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3932 | help(); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3933 | else { |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 3934 | fprintf(stderr, "ss: \"%s\" is invalid family\n", |
| 3935 | optarg); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3936 | usage(); |
| 3937 | } |
| 3938 | break; |
| 3939 | case 'A': |
| 3940 | { |
| 3941 | char *p, *p1; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3942 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3943 | if (!saw_query) { |
| 3944 | current_filter.dbs = 0; |
Phil Sutter | 7f9dddb | 2015-08-07 15:31:27 +0200 | [diff] [blame] | 3945 | state_filter = state_filter ? |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 3946 | state_filter : SS_CONN; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3947 | saw_query = 1; |
| 3948 | do_default = 0; |
| 3949 | } |
| 3950 | p = p1 = optarg; |
| 3951 | do { |
| 3952 | if ((p1 = strchr(p, ',')) != NULL) |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 3953 | *p1 = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3954 | if (strcmp(p, "all") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3955 | filter_default_dbs(¤t_filter); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3956 | } else if (strcmp(p, "inet") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3957 | filter_db_set(¤t_filter, UDP_DB); |
| 3958 | filter_db_set(¤t_filter, DCCP_DB); |
| 3959 | filter_db_set(¤t_filter, TCP_DB); |
| 3960 | filter_db_set(¤t_filter, RAW_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3961 | } else if (strcmp(p, "udp") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3962 | filter_db_set(¤t_filter, UDP_DB); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3963 | } else if (strcmp(p, "dccp") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3964 | filter_db_set(¤t_filter, DCCP_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3965 | } else if (strcmp(p, "tcp") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3966 | filter_db_set(¤t_filter, TCP_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3967 | } else if (strcmp(p, "raw") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3968 | filter_db_set(¤t_filter, RAW_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3969 | } else if (strcmp(p, "unix") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3970 | filter_db_set(¤t_filter, UNIX_ST_DB); |
| 3971 | filter_db_set(¤t_filter, UNIX_DG_DB); |
| 3972 | filter_db_set(¤t_filter, UNIX_SQ_DB); |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3973 | } else if (strcasecmp(p, "unix_stream") == 0 || |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3974 | strcmp(p, "u_str") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3975 | filter_db_set(¤t_filter, UNIX_ST_DB); |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3976 | } else if (strcasecmp(p, "unix_dgram") == 0 || |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3977 | strcmp(p, "u_dgr") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3978 | filter_db_set(¤t_filter, UNIX_DG_DB); |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 3979 | } else if (strcasecmp(p, "unix_seqpacket") == 0 || |
| 3980 | strcmp(p, "u_seq") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3981 | filter_db_set(¤t_filter, UNIX_SQ_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3982 | } else if (strcmp(p, "packet") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3983 | filter_db_set(¤t_filter, PACKET_R_DB); |
| 3984 | filter_db_set(¤t_filter, PACKET_DG_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3985 | } else if (strcmp(p, "packet_raw") == 0 || |
| 3986 | strcmp(p, "p_raw") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3987 | filter_db_set(¤t_filter, PACKET_R_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3988 | } else if (strcmp(p, "packet_dgram") == 0 || |
| 3989 | strcmp(p, "p_dgr") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3990 | filter_db_set(¤t_filter, PACKET_DG_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3991 | } else if (strcmp(p, "netlink") == 0) { |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 3992 | filter_db_set(¤t_filter, NETLINK_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3993 | } else { |
| 3994 | fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p); |
| 3995 | usage(); |
| 3996 | } |
| 3997 | p = p1 + 1; |
| 3998 | } while (p1); |
| 3999 | break; |
| 4000 | } |
| 4001 | case 's': |
| 4002 | do_summary = 1; |
| 4003 | break; |
| 4004 | case 'D': |
| 4005 | dump_tcpdiag = optarg; |
| 4006 | break; |
| 4007 | case 'F': |
| 4008 | if (filter_fp) { |
| 4009 | fprintf(stderr, "More than one filter file\n"); |
| 4010 | exit(-1); |
| 4011 | } |
| 4012 | if (optarg[0] == '-') |
| 4013 | filter_fp = stdin; |
| 4014 | else |
| 4015 | filter_fp = fopen(optarg, "r"); |
| 4016 | if (!filter_fp) { |
| 4017 | perror("fopen filter file"); |
| 4018 | exit(-1); |
| 4019 | } |
| 4020 | break; |
| 4021 | case 'v': |
| 4022 | case 'V': |
| 4023 | printf("ss utility, iproute2-ss%s\n", SNAPSHOT); |
| 4024 | exit(0); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 4025 | case 'z': |
| 4026 | show_sock_ctx++; |
| 4027 | case 'Z': |
| 4028 | if (is_selinux_enabled() <= 0) { |
| 4029 | fprintf(stderr, "ss: SELinux is not enabled.\n"); |
| 4030 | exit(1); |
| 4031 | } |
| 4032 | show_proc_ctx++; |
| 4033 | user_ent_hash_build(); |
| 4034 | break; |
Vadim Kochan | 95ce04b | 2015-02-08 08:58:43 +0200 | [diff] [blame] | 4035 | case 'N': |
| 4036 | if (netns_switch(optarg)) |
| 4037 | exit(1); |
| 4038 | break; |
Lorenzo Colitti | fb2594c | 2016-01-08 17:32:37 +0900 | [diff] [blame] | 4039 | case 'K': |
| 4040 | current_filter.kill = 1; |
| 4041 | break; |
David Ahern | 7a4559f | 2016-07-15 15:45:39 -0700 | [diff] [blame] | 4042 | case 'H': |
| 4043 | show_header = 0; |
| 4044 | break; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4045 | case 'h': |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 4046 | help(); |
Phil Sutter | f73105a | 2015-10-15 21:01:16 +0200 | [diff] [blame] | 4047 | case '?': |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4048 | default: |
| 4049 | usage(); |
| 4050 | } |
| 4051 | } |
| 4052 | |
| 4053 | argc -= optind; |
| 4054 | argv += optind; |
| 4055 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4056 | if (do_summary) { |
| 4057 | print_summary(); |
| 4058 | if (do_default && argc == 0) |
| 4059 | exit(0); |
| 4060 | } |
| 4061 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4062 | while (argc > 0) { |
| 4063 | if (strcmp(*argv, "state") == 0) { |
| 4064 | NEXT_ARG(); |
| 4065 | if (!saw_states) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 4066 | state_filter = 0; |
| 4067 | state_filter |= scan_state(*argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4068 | saw_states = 1; |
| 4069 | } else if (strcmp(*argv, "exclude") == 0 || |
| 4070 | strcmp(*argv, "excl") == 0) { |
| 4071 | NEXT_ARG(); |
| 4072 | if (!saw_states) |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 4073 | state_filter = SS_ALL; |
| 4074 | state_filter &= ~scan_state(*argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4075 | saw_states = 1; |
| 4076 | } else { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4077 | break; |
| 4078 | } |
| 4079 | argc--; argv++; |
| 4080 | } |
| 4081 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 4082 | if (do_default) { |
| 4083 | state_filter = state_filter ? state_filter : SS_CONN; |
| 4084 | filter_default_dbs(¤t_filter); |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 4085 | } |
| 4086 | |
Vadim Kochan | 57ff5a1 | 2015-04-30 07:30:24 +0300 | [diff] [blame] | 4087 | filter_states_set(¤t_filter, state_filter); |
| 4088 | filter_merge_defaults(¤t_filter); |
| 4089 | |
Vadim Kochan | 9db7bf1 | 2015-01-04 22:18:40 +0200 | [diff] [blame] | 4090 | if (resolve_services && resolve_hosts && |
| 4091 | (current_filter.dbs&(UNIX_DBM|(1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)))) |
| 4092 | init_service_resolver(); |
| 4093 | |
| 4094 | |
| 4095 | if (current_filter.dbs == 0) { |
| 4096 | fprintf(stderr, "ss: no socket tables to show with such filter.\n"); |
| 4097 | exit(0); |
| 4098 | } |
| 4099 | if (current_filter.families == 0) { |
| 4100 | fprintf(stderr, "ss: no families to show with such filter.\n"); |
| 4101 | exit(0); |
| 4102 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4103 | if (current_filter.states == 0) { |
| 4104 | fprintf(stderr, "ss: no socket states to show with such filter.\n"); |
| 4105 | exit(0); |
| 4106 | } |
| 4107 | |
| 4108 | if (dump_tcpdiag) { |
| 4109 | FILE *dump_fp = stdout; |
Stephen Hemminger | acd1e43 | 2016-03-21 11:56:36 -0700 | [diff] [blame] | 4110 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4111 | if (!(current_filter.dbs & (1<<TCP_DB))) { |
| 4112 | fprintf(stderr, "ss: tcpdiag dump requested and no tcp in filter.\n"); |
| 4113 | exit(0); |
| 4114 | } |
| 4115 | if (dump_tcpdiag[0] != '-') { |
| 4116 | dump_fp = fopen(dump_tcpdiag, "w"); |
| 4117 | if (!dump_tcpdiag) { |
| 4118 | perror("fopen dump file"); |
| 4119 | exit(-1); |
| 4120 | } |
| 4121 | } |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 4122 | inet_show_netlink(¤t_filter, dump_fp, IPPROTO_TCP); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4123 | fflush(dump_fp); |
| 4124 | exit(0); |
| 4125 | } |
| 4126 | |
Vadim Kochan | 1527a17 | 2015-02-13 13:01:08 +0200 | [diff] [blame] | 4127 | if (ssfilter_parse(¤t_filter.f, argc, argv, filter_fp)) |
| 4128 | usage(); |
| 4129 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4130 | netid_width = 0; |
| 4131 | if (current_filter.dbs&(current_filter.dbs-1)) |
| 4132 | netid_width = 5; |
| 4133 | |
| 4134 | state_width = 0; |
| 4135 | if (current_filter.states&(current_filter.states-1)) |
| 4136 | state_width = 10; |
| 4137 | |
| 4138 | screen_width = 80; |
| 4139 | if (isatty(STDOUT_FILENO)) { |
| 4140 | struct winsize w; |
| 4141 | |
| 4142 | if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) { |
| 4143 | if (w.ws_col > 0) |
| 4144 | screen_width = w.ws_col; |
| 4145 | } |
| 4146 | } |
| 4147 | |
| 4148 | addrp_width = screen_width; |
| 4149 | addrp_width -= netid_width+1; |
| 4150 | addrp_width -= state_width+1; |
| 4151 | addrp_width -= 14; |
| 4152 | |
| 4153 | if (addrp_width&1) { |
| 4154 | if (netid_width) |
| 4155 | netid_width++; |
| 4156 | else if (state_width) |
| 4157 | state_width++; |
| 4158 | } |
| 4159 | |
| 4160 | addrp_width /= 2; |
| 4161 | addrp_width--; |
| 4162 | |
| 4163 | serv_width = resolve_services ? 7 : 5; |
| 4164 | |
| 4165 | if (addrp_width < 15+serv_width+1) |
| 4166 | addrp_width = 15+serv_width+1; |
| 4167 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 4168 | addr_width = addrp_width - serv_width - 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4169 | |
David Ahern | 7a4559f | 2016-07-15 15:45:39 -0700 | [diff] [blame] | 4170 | if (show_header) { |
| 4171 | if (netid_width) |
| 4172 | printf("%-*s ", netid_width, "Netid"); |
| 4173 | if (state_width) |
| 4174 | printf("%-*s ", state_width, "State"); |
| 4175 | printf("%-6s %-6s ", "Recv-Q", "Send-Q"); |
| 4176 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4177 | |
vadimk | d68e00f | 2014-12-05 19:19:11 +0200 | [diff] [blame] | 4178 | /* Make enough space for the local/remote port field */ |
| 4179 | addr_width -= 13; |
| 4180 | serv_width += 13; |
vadimk | 2dc8548 | 2014-10-18 20:46:29 +0300 | [diff] [blame] | 4181 | |
David Ahern | 7a4559f | 2016-07-15 15:45:39 -0700 | [diff] [blame] | 4182 | if (show_header) { |
| 4183 | printf("%*s:%-*s %*s:%-*s\n", |
| 4184 | addr_width, "Local Address", serv_width, "Port", |
| 4185 | addr_width, "Peer Address", serv_width, "Port"); |
| 4186 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4187 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4188 | fflush(stdout); |
| 4189 | |
Craig Gallek | 6885e3b | 2015-06-17 11:14:48 -0400 | [diff] [blame] | 4190 | if (follow_events) |
| 4191 | exit(handle_follow_request(¤t_filter)); |
| 4192 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4193 | if (current_filter.dbs & (1<<NETLINK_DB)) |
| 4194 | netlink_show(¤t_filter); |
| 4195 | if (current_filter.dbs & PACKET_DBM) |
| 4196 | packet_show(¤t_filter); |
| 4197 | if (current_filter.dbs & UNIX_DBM) |
| 4198 | unix_show(¤t_filter); |
| 4199 | if (current_filter.dbs & (1<<RAW_DB)) |
| 4200 | raw_show(¤t_filter); |
| 4201 | if (current_filter.dbs & (1<<UDP_DB)) |
| 4202 | udp_show(¤t_filter); |
| 4203 | if (current_filter.dbs & (1<<TCP_DB)) |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 4204 | tcp_show(¤t_filter, IPPROTO_TCP); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 4205 | if (current_filter.dbs & (1<<DCCP_DB)) |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 4206 | tcp_show(¤t_filter, IPPROTO_DCCP); |
Richard Haines | 116ac92 | 2014-03-07 10:36:52 +0000 | [diff] [blame] | 4207 | |
| 4208 | if (show_users || show_proc_ctx || show_sock_ctx) |
| 4209 | user_ent_destroy(); |
| 4210 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 4211 | return 0; |
| 4212 | } |