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