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> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 28 | |
| 29 | #include "utils.h" |
| 30 | #include "rt_names.h" |
| 31 | #include "ll_map.h" |
| 32 | #include "libnetlink.h" |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 33 | #include "SNAPSHOT.h" |
| 34 | |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 35 | #include <linux/tcp.h> |
Stephen Hemminger | f606236 | 2012-01-20 12:48:00 -0800 | [diff] [blame] | 36 | #include <linux/sock_diag.h> |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 37 | #include <linux/inet_diag.h> |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 38 | #include <linux/unix_diag.h> |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 39 | #include <linux/netdevice.h> /* for MAX_ADDR_LEN */ |
| 40 | #include <linux/filter.h> |
| 41 | #include <linux/packet_diag.h> |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 42 | #include <linux/netlink_diag.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 43 | |
| 44 | int resolve_hosts = 0; |
| 45 | int resolve_services = 1; |
| 46 | int preferred_family = AF_UNSPEC; |
| 47 | int show_options = 0; |
| 48 | int show_details = 0; |
| 49 | int show_users = 0; |
| 50 | int show_mem = 0; |
| 51 | int show_tcpinfo = 0; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 52 | int show_bpf = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 53 | |
| 54 | int netid_width; |
| 55 | int state_width; |
| 56 | int addrp_width; |
| 57 | int addr_width; |
| 58 | int serv_width; |
| 59 | int screen_width; |
| 60 | |
| 61 | static const char *TCP_PROTO = "tcp"; |
| 62 | static const char *UDP_PROTO = "udp"; |
| 63 | static const char *RAW_PROTO = "raw"; |
| 64 | static const char *dg_proto = NULL; |
| 65 | |
| 66 | enum |
| 67 | { |
| 68 | TCP_DB, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 69 | DCCP_DB, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 70 | UDP_DB, |
| 71 | RAW_DB, |
| 72 | UNIX_DG_DB, |
| 73 | UNIX_ST_DB, |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 74 | UNIX_SQ_DB, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 75 | PACKET_DG_DB, |
| 76 | PACKET_R_DB, |
| 77 | NETLINK_DB, |
| 78 | MAX_DB |
| 79 | }; |
| 80 | |
| 81 | #define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB)) |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 82 | #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] | 83 | #define ALL_DB ((1<<MAX_DB)-1) |
| 84 | |
| 85 | enum { |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 86 | SS_UNKNOWN, |
| 87 | SS_ESTABLISHED, |
| 88 | SS_SYN_SENT, |
| 89 | SS_SYN_RECV, |
| 90 | SS_FIN_WAIT1, |
| 91 | SS_FIN_WAIT2, |
| 92 | SS_TIME_WAIT, |
| 93 | SS_CLOSE, |
| 94 | SS_CLOSE_WAIT, |
| 95 | SS_LAST_ACK, |
| 96 | SS_LISTEN, |
| 97 | SS_CLOSING, |
| 98 | SS_MAX |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | #define SS_ALL ((1<<SS_MAX)-1) |
| 102 | |
| 103 | #include "ssfilter.h" |
| 104 | |
| 105 | struct filter |
| 106 | { |
| 107 | int dbs; |
| 108 | int states; |
| 109 | int families; |
| 110 | struct ssfilter *f; |
| 111 | }; |
| 112 | |
| 113 | struct filter default_filter = { |
Petr Sabata | 7de7e59 | 2012-12-11 06:42:52 +0000 | [diff] [blame] | 114 | .dbs = ~0, |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 115 | .states = SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV)), |
| 116 | .families= (1<<AF_INET)|(1<<AF_INET6), |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | struct filter current_filter; |
| 120 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 121 | static FILE *generic_proc_open(const char *env, const char *name) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 122 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 123 | const char *p = getenv(env); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 124 | char store[128]; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 125 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 126 | if (!p) { |
| 127 | p = getenv("PROC_ROOT") ? : "/proc"; |
| 128 | snprintf(store, sizeof(store)-1, "%s/%s", p, name); |
| 129 | p = store; |
| 130 | } |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 131 | |
| 132 | return fopen(p, "r"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 133 | } |
| 134 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 135 | static FILE *net_tcp_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 136 | { |
| 137 | return generic_proc_open("PROC_NET_TCP", "net/tcp"); |
| 138 | } |
| 139 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 140 | static FILE *net_tcp6_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 141 | { |
| 142 | return generic_proc_open("PROC_NET_TCP6", "net/tcp6"); |
| 143 | } |
| 144 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 145 | static FILE *net_udp_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 146 | { |
| 147 | return generic_proc_open("PROC_NET_UDP", "net/udp"); |
| 148 | } |
| 149 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 150 | static FILE *net_udp6_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 151 | { |
| 152 | return generic_proc_open("PROC_NET_UDP6", "net/udp6"); |
| 153 | } |
| 154 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 155 | static FILE *net_raw_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 156 | { |
| 157 | return generic_proc_open("PROC_NET_RAW", "net/raw"); |
| 158 | } |
| 159 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 160 | static FILE *net_raw6_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 161 | { |
| 162 | return generic_proc_open("PROC_NET_RAW6", "net/raw6"); |
| 163 | } |
| 164 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 165 | static FILE *net_unix_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 166 | { |
| 167 | return generic_proc_open("PROC_NET_UNIX", "net/unix"); |
| 168 | } |
| 169 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 170 | static FILE *net_packet_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 171 | { |
| 172 | return generic_proc_open("PROC_NET_PACKET", "net/packet"); |
| 173 | } |
| 174 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 175 | static FILE *net_netlink_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 176 | { |
| 177 | return generic_proc_open("PROC_NET_NETLINK", "net/netlink"); |
| 178 | } |
| 179 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 180 | static FILE *slabinfo_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 181 | { |
| 182 | return generic_proc_open("PROC_SLABINFO", "slabinfo"); |
| 183 | } |
| 184 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 185 | static FILE *net_sockstat_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 186 | { |
| 187 | return generic_proc_open("PROC_NET_SOCKSTAT", "net/sockstat"); |
| 188 | } |
| 189 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 190 | static FILE *net_sockstat6_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 191 | { |
| 192 | return generic_proc_open("PROC_NET_SOCKSTAT6", "net/sockstat6"); |
| 193 | } |
| 194 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 195 | static FILE *net_snmp_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 196 | { |
| 197 | return generic_proc_open("PROC_NET_SNMP", "net/snmp"); |
| 198 | } |
| 199 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 200 | static FILE *ephemeral_ports_open(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 201 | { |
| 202 | return generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", "sys/net/ipv4/ip_local_port_range"); |
| 203 | } |
| 204 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 205 | struct user_ent { |
| 206 | struct user_ent *next; |
| 207 | unsigned int ino; |
| 208 | int pid; |
| 209 | int fd; |
| 210 | char process[0]; |
| 211 | }; |
| 212 | |
| 213 | #define USER_ENT_HASH_SIZE 256 |
| 214 | struct user_ent *user_ent_hash[USER_ENT_HASH_SIZE]; |
| 215 | |
| 216 | static int user_ent_hashfn(unsigned int ino) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 217 | { |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 218 | int val = (ino >> 24) ^ (ino >> 16) ^ (ino >> 8) ^ ino; |
| 219 | |
| 220 | return val & (USER_ENT_HASH_SIZE - 1); |
| 221 | } |
| 222 | |
| 223 | static void user_ent_add(unsigned int ino, const char *process, int pid, int fd) |
| 224 | { |
| 225 | struct user_ent *p, **pp; |
| 226 | int str_len; |
| 227 | |
| 228 | str_len = strlen(process) + 1; |
| 229 | p = malloc(sizeof(struct user_ent) + str_len); |
| 230 | if (!p) |
| 231 | abort(); |
| 232 | p->next = NULL; |
| 233 | p->ino = ino; |
| 234 | p->pid = pid; |
| 235 | p->fd = fd; |
| 236 | strcpy(p->process, process); |
| 237 | |
| 238 | pp = &user_ent_hash[user_ent_hashfn(ino)]; |
| 239 | p->next = *pp; |
| 240 | *pp = p; |
| 241 | } |
| 242 | |
| 243 | static void user_ent_hash_build(void) |
| 244 | { |
| 245 | const char *root = getenv("PROC_ROOT") ? : "/proc/"; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 246 | struct dirent *d; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 247 | char name[1024]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 248 | int nameoff; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 249 | DIR *dir; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 250 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 251 | strcpy(name, root); |
| 252 | if (strlen(name) == 0 || name[strlen(name)-1] != '/') |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 253 | strcat(name, "/"); |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 254 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 255 | nameoff = strlen(name); |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 256 | |
| 257 | dir = opendir(name); |
| 258 | if (!dir) |
| 259 | return; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 260 | |
| 261 | while ((d = readdir(dir)) != NULL) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 262 | struct dirent *d1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 263 | char process[16]; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 264 | int pid, pos; |
| 265 | DIR *dir1; |
| 266 | char crap; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 267 | |
| 268 | if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1) |
| 269 | continue; |
| 270 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 271 | sprintf(name + nameoff, "%d/fd/", pid); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 272 | pos = strlen(name); |
| 273 | if ((dir1 = opendir(name)) == NULL) |
| 274 | continue; |
| 275 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 276 | process[0] = '\0'; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 277 | |
| 278 | while ((d1 = readdir(dir1)) != NULL) { |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 279 | const char *pattern = "socket:["; |
| 280 | unsigned int ino; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 281 | char lnk[64]; |
Stephen Hemminger | 18445b3 | 2011-06-29 15:58:37 -0700 | [diff] [blame] | 282 | int fd; |
Thomas Jarosch | 788731b | 2011-10-13 10:30:21 +0200 | [diff] [blame] | 283 | ssize_t link_len; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 284 | |
| 285 | if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1) |
| 286 | continue; |
| 287 | |
| 288 | sprintf(name+pos, "%d", fd); |
Thomas Jarosch | 788731b | 2011-10-13 10:30:21 +0200 | [diff] [blame] | 289 | |
| 290 | link_len = readlink(name, lnk, sizeof(lnk)-1); |
| 291 | if (link_len == -1) |
| 292 | continue; |
| 293 | lnk[link_len] = '\0'; |
| 294 | |
| 295 | if (strncmp(lnk, pattern, strlen(pattern))) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 296 | continue; |
| 297 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 298 | sscanf(lnk, "socket:[%u]", &ino); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 299 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 300 | if (process[0] == '\0') { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 301 | char tmp[1024]; |
| 302 | FILE *fp; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 303 | |
| 304 | snprintf(tmp, sizeof(tmp), "%s/%d/stat", root, pid); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 305 | if ((fp = fopen(tmp, "r")) != NULL) { |
| 306 | fscanf(fp, "%*d (%[^)])", process); |
| 307 | fclose(fp); |
| 308 | } |
| 309 | } |
| 310 | |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 311 | user_ent_add(ino, process, pid, fd); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 312 | } |
| 313 | closedir(dir1); |
| 314 | } |
| 315 | closedir(dir); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 316 | } |
| 317 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 318 | static int find_users(unsigned ino, char *buf, int buflen) |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 319 | { |
| 320 | struct user_ent *p; |
| 321 | int cnt = 0; |
| 322 | char *ptr; |
| 323 | |
| 324 | if (!ino) |
| 325 | return 0; |
| 326 | |
| 327 | p = user_ent_hash[user_ent_hashfn(ino)]; |
| 328 | ptr = buf; |
| 329 | while (p) { |
| 330 | if (p->ino != ino) |
| 331 | goto next; |
| 332 | |
| 333 | if (ptr - buf >= buflen - 1) |
| 334 | break; |
| 335 | |
| 336 | snprintf(ptr, buflen - (ptr - buf), |
| 337 | "(\"%s\",%d,%d),", |
| 338 | p->process, p->pid, p->fd); |
| 339 | ptr += strlen(ptr); |
| 340 | cnt++; |
| 341 | |
| 342 | next: |
| 343 | p = p->next; |
| 344 | } |
| 345 | |
| 346 | if (ptr != buf) |
| 347 | ptr[-1] = '\0'; |
| 348 | |
| 349 | return cnt; |
| 350 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 351 | |
| 352 | /* Get stats from slab */ |
| 353 | |
| 354 | struct slabstat |
| 355 | { |
| 356 | int socks; |
| 357 | int tcp_ports; |
| 358 | int tcp_tws; |
| 359 | int tcp_syns; |
| 360 | int skbs; |
| 361 | }; |
| 362 | |
| 363 | struct slabstat slabstat; |
| 364 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 365 | static const char *slabstat_ids[] = |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 366 | { |
| 367 | "sock", |
| 368 | "tcp_bind_bucket", |
| 369 | "tcp_tw_bucket", |
| 370 | "tcp_open_request", |
| 371 | "skbuff_head_cache", |
| 372 | }; |
| 373 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 374 | static int get_slabstat(struct slabstat *s) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 375 | { |
| 376 | char buf[256]; |
| 377 | FILE *fp; |
| 378 | int cnt; |
| 379 | |
| 380 | memset(s, 0, sizeof(*s)); |
| 381 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 382 | fp = slabinfo_open(); |
| 383 | if (!fp) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 384 | return -1; |
| 385 | |
| 386 | cnt = sizeof(*s)/sizeof(int); |
| 387 | |
| 388 | fgets(buf, sizeof(buf), fp); |
| 389 | while(fgets(buf, sizeof(buf), fp) != NULL) { |
| 390 | int i; |
| 391 | for (i=0; i<sizeof(slabstat_ids)/sizeof(slabstat_ids[0]); i++) { |
| 392 | if (memcmp(buf, slabstat_ids[i], strlen(slabstat_ids[i])) == 0) { |
| 393 | sscanf(buf, "%*s%d", ((int *)s) + i); |
| 394 | cnt--; |
| 395 | break; |
| 396 | } |
| 397 | } |
| 398 | if (cnt <= 0) |
| 399 | break; |
| 400 | } |
| 401 | |
| 402 | fclose(fp); |
| 403 | return 0; |
| 404 | } |
| 405 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 406 | static const char *sstate_name[] = { |
| 407 | "UNKNOWN", |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 408 | [SS_ESTABLISHED] = "ESTAB", |
| 409 | [SS_SYN_SENT] = "SYN-SENT", |
| 410 | [SS_SYN_RECV] = "SYN-RECV", |
| 411 | [SS_FIN_WAIT1] = "FIN-WAIT-1", |
| 412 | [SS_FIN_WAIT2] = "FIN-WAIT-2", |
| 413 | [SS_TIME_WAIT] = "TIME-WAIT", |
| 414 | [SS_CLOSE] = "UNCONN", |
| 415 | [SS_CLOSE_WAIT] = "CLOSE-WAIT", |
| 416 | [SS_LAST_ACK] = "LAST-ACK", |
| 417 | [SS_LISTEN] = "LISTEN", |
| 418 | [SS_CLOSING] = "CLOSING", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 419 | }; |
| 420 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 421 | static const char *sstate_namel[] = { |
| 422 | "UNKNOWN", |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 423 | [SS_ESTABLISHED] = "established", |
| 424 | [SS_SYN_SENT] = "syn-sent", |
| 425 | [SS_SYN_RECV] = "syn-recv", |
| 426 | [SS_FIN_WAIT1] = "fin-wait-1", |
| 427 | [SS_FIN_WAIT2] = "fin-wait-2", |
| 428 | [SS_TIME_WAIT] = "time-wait", |
| 429 | [SS_CLOSE] = "unconnected", |
| 430 | [SS_CLOSE_WAIT] = "close-wait", |
| 431 | [SS_LAST_ACK] = "last-ack", |
| 432 | [SS_LISTEN] = "listening", |
| 433 | [SS_CLOSING] = "closing", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 434 | }; |
| 435 | |
| 436 | struct tcpstat |
| 437 | { |
| 438 | inet_prefix local; |
| 439 | inet_prefix remote; |
| 440 | int lport; |
| 441 | int rport; |
| 442 | int state; |
| 443 | int rq, wq; |
| 444 | int timer; |
| 445 | int timeout; |
| 446 | int retrs; |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 447 | unsigned ino; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 448 | int probes; |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 449 | unsigned uid; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 450 | int refcnt; |
| 451 | unsigned long long sk; |
| 452 | int rto, ato, qack, cwnd, ssthresh; |
| 453 | }; |
| 454 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 455 | static const char *tmr_name[] = { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 456 | "off", |
| 457 | "on", |
| 458 | "keepalive", |
| 459 | "timewait", |
| 460 | "persist", |
| 461 | "unknown" |
| 462 | }; |
| 463 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 464 | static const char *print_ms_timer(int timeout) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 465 | { |
| 466 | static char buf[64]; |
| 467 | int secs, msecs, minutes; |
| 468 | if (timeout < 0) |
| 469 | timeout = 0; |
| 470 | secs = timeout/1000; |
| 471 | minutes = secs/60; |
| 472 | secs = secs%60; |
| 473 | msecs = timeout%1000; |
| 474 | buf[0] = 0; |
| 475 | if (minutes) { |
| 476 | msecs = 0; |
| 477 | snprintf(buf, sizeof(buf)-16, "%dmin", minutes); |
| 478 | if (minutes > 9) |
| 479 | secs = 0; |
| 480 | } |
| 481 | if (secs) { |
| 482 | if (secs > 9) |
| 483 | msecs = 0; |
| 484 | sprintf(buf+strlen(buf), "%d%s", secs, msecs ? "." : "sec"); |
| 485 | } |
| 486 | if (msecs) |
| 487 | sprintf(buf+strlen(buf), "%03dms", msecs); |
| 488 | return buf; |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 489 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 490 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 491 | static const char *print_hz_timer(int timeout) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 492 | { |
Stephen Hemminger | 2d44be1 | 2008-06-20 12:40:03 -0700 | [diff] [blame] | 493 | int hz = get_user_hz(); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 494 | return print_ms_timer(((timeout*1000) + hz-1)/hz); |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 495 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 496 | |
| 497 | struct scache |
| 498 | { |
| 499 | struct scache *next; |
| 500 | int port; |
| 501 | char *name; |
| 502 | const char *proto; |
| 503 | }; |
| 504 | |
| 505 | struct scache *rlist; |
| 506 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 507 | static void init_service_resolver(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 508 | { |
| 509 | char buf[128]; |
| 510 | FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r"); |
| 511 | if (fp) { |
| 512 | fgets(buf, sizeof(buf), fp); |
| 513 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
| 514 | unsigned int progn, port; |
| 515 | char proto[128], prog[128]; |
| 516 | if (sscanf(buf, "%u %*d %s %u %s", &progn, proto, |
| 517 | &port, prog+4) == 4) { |
| 518 | struct scache *c = malloc(sizeof(*c)); |
| 519 | if (c) { |
| 520 | c->port = port; |
| 521 | memcpy(prog, "rpc.", 4); |
| 522 | c->name = strdup(prog); |
| 523 | if (strcmp(proto, TCP_PROTO) == 0) |
| 524 | c->proto = TCP_PROTO; |
| 525 | else if (strcmp(proto, UDP_PROTO) == 0) |
| 526 | c->proto = UDP_PROTO; |
| 527 | else |
| 528 | c->proto = NULL; |
| 529 | c->next = rlist; |
| 530 | rlist = c; |
| 531 | } |
| 532 | } |
| 533 | } |
Thomas Jarosch | 2bcc3c1 | 2011-10-03 05:22:27 +0000 | [diff] [blame] | 534 | pclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 535 | } |
| 536 | } |
| 537 | |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 538 | static int ip_local_port_min, ip_local_port_max; |
| 539 | |
| 540 | /* Even do not try default linux ephemeral port ranges: |
| 541 | * default /etc/services contains so much of useless crap |
| 542 | * wouldbe "allocated" to this area that resolution |
| 543 | * is really harmful. I shrug each time when seeing |
| 544 | * "socks" or "cfinger" in dumps. |
| 545 | */ |
| 546 | static int is_ephemeral(int port) |
| 547 | { |
| 548 | if (!ip_local_port_min) { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 549 | FILE *f = ephemeral_ports_open(); |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 550 | if (f) { |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 551 | fscanf(f, "%d %d", |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 552 | &ip_local_port_min, &ip_local_port_max); |
| 553 | fclose(f); |
| 554 | } else { |
| 555 | ip_local_port_min = 1024; |
| 556 | ip_local_port_max = 4999; |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | return (port >= ip_local_port_min && port<= ip_local_port_max); |
| 561 | } |
| 562 | |
| 563 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 564 | static const char *__resolve_service(int port) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 565 | { |
| 566 | struct scache *c; |
| 567 | |
| 568 | for (c = rlist; c; c = c->next) { |
| 569 | if (c->port == port && c->proto == dg_proto) |
| 570 | return c->name; |
| 571 | } |
| 572 | |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 573 | if (!is_ephemeral(port)) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 574 | static int notfirst; |
| 575 | struct servent *se; |
| 576 | if (!notfirst) { |
| 577 | setservent(1); |
| 578 | notfirst = 1; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 579 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 580 | se = getservbyport(htons(port), dg_proto); |
| 581 | if (se) |
| 582 | return se->s_name; |
| 583 | } |
| 584 | |
| 585 | return NULL; |
| 586 | } |
| 587 | |
| 588 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 589 | static const char *resolve_service(int port) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 590 | { |
| 591 | static char buf[128]; |
| 592 | static struct scache cache[256]; |
| 593 | |
| 594 | if (port == 0) { |
| 595 | buf[0] = '*'; |
| 596 | buf[1] = 0; |
| 597 | return buf; |
| 598 | } |
| 599 | |
| 600 | if (resolve_services) { |
| 601 | if (dg_proto == RAW_PROTO) { |
| 602 | return inet_proto_n2a(port, buf, sizeof(buf)); |
| 603 | } else { |
| 604 | struct scache *c; |
| 605 | const char *res; |
| 606 | int hash = (port^(((unsigned long)dg_proto)>>2))&255; |
| 607 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 608 | for (c = &cache[hash]; c; c = c->next) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 609 | if (c->port == port && |
| 610 | c->proto == dg_proto) { |
| 611 | if (c->name) |
| 612 | return c->name; |
| 613 | goto do_numeric; |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | if ((res = __resolve_service(port)) != NULL) { |
| 618 | if ((c = malloc(sizeof(*c))) == NULL) |
| 619 | goto do_numeric; |
| 620 | } else { |
| 621 | c = &cache[hash]; |
| 622 | if (c->name) |
| 623 | free(c->name); |
| 624 | } |
| 625 | c->port = port; |
| 626 | c->name = NULL; |
| 627 | c->proto = dg_proto; |
| 628 | if (res) { |
| 629 | c->name = strdup(res); |
| 630 | c->next = cache[hash].next; |
| 631 | cache[hash].next = c; |
| 632 | } |
| 633 | if (c->name) |
| 634 | return c->name; |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | do_numeric: |
| 639 | sprintf(buf, "%u", port); |
| 640 | return buf; |
| 641 | } |
| 642 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 643 | static void formatted_print(const inet_prefix *a, int port) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 644 | { |
| 645 | char buf[1024]; |
| 646 | const char *ap = buf; |
| 647 | int est_len; |
| 648 | |
| 649 | est_len = addr_width; |
| 650 | |
| 651 | if (a->family == AF_INET) { |
| 652 | if (a->data[0] == 0) { |
| 653 | buf[0] = '*'; |
| 654 | buf[1] = 0; |
| 655 | } else { |
| 656 | ap = format_host(AF_INET, 4, a->data, buf, sizeof(buf)); |
| 657 | } |
| 658 | } else { |
| 659 | ap = format_host(a->family, 16, a->data, buf, sizeof(buf)); |
| 660 | est_len = strlen(ap); |
| 661 | if (est_len <= addr_width) |
| 662 | est_len = addr_width; |
| 663 | else |
| 664 | est_len = addr_width + ((est_len-addr_width+3)/4)*4; |
| 665 | } |
| 666 | printf("%*s:%-*s ", est_len, ap, serv_width, resolve_service(port)); |
| 667 | } |
| 668 | |
| 669 | struct aafilter |
| 670 | { |
| 671 | inet_prefix addr; |
| 672 | int port; |
| 673 | struct aafilter *next; |
| 674 | }; |
| 675 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 676 | static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p, |
| 677 | int plen) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 678 | { |
| 679 | if (!inet_addr_match(a, p, plen)) |
| 680 | return 0; |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 681 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 682 | /* Cursed "v4 mapped" addresses: v4 mapped socket matches |
| 683 | * pure IPv4 rule, but v4-mapped rule selects only v4-mapped |
| 684 | * sockets. Fair? */ |
| 685 | if (p->family == AF_INET && a->family == AF_INET6) { |
| 686 | if (a->data[0] == 0 && a->data[1] == 0 && |
| 687 | a->data[2] == htonl(0xffff)) { |
| 688 | inet_prefix tmp = *a; |
| 689 | tmp.data[0] = a->data[3]; |
| 690 | return inet_addr_match(&tmp, p, plen); |
| 691 | } |
| 692 | } |
| 693 | return 1; |
| 694 | } |
| 695 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 696 | 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] | 697 | { |
| 698 | char *addr, *pattern; |
| 699 | memcpy(&addr, a->data, sizeof(addr)); |
| 700 | memcpy(&pattern, p->data, sizeof(pattern)); |
| 701 | if (pattern == NULL) |
| 702 | return 1; |
| 703 | if (addr == NULL) |
| 704 | addr = ""; |
| 705 | return !fnmatch(pattern, addr, 0); |
| 706 | } |
| 707 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 708 | static int run_ssfilter(struct ssfilter *f, struct tcpstat *s) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 709 | { |
| 710 | switch (f->type) { |
| 711 | case SSF_S_AUTO: |
| 712 | { |
| 713 | static int low, high=65535; |
| 714 | |
| 715 | if (s->local.family == AF_UNIX) { |
| 716 | char *p; |
| 717 | memcpy(&p, s->local.data, sizeof(p)); |
| 718 | return p == NULL || (p[0] == '@' && strlen(p) == 6 && |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 719 | strspn(p+1, "0123456789abcdef") == 5); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 720 | } |
| 721 | if (s->local.family == AF_PACKET) |
| 722 | return s->lport == 0 && s->local.data == 0; |
| 723 | if (s->local.family == AF_NETLINK) |
| 724 | return s->lport < 0; |
| 725 | |
| 726 | if (!low) { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 727 | FILE *fp = ephemeral_ports_open(); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 728 | if (fp) { |
| 729 | fscanf(fp, "%d%d", &low, &high); |
| 730 | fclose(fp); |
| 731 | } |
| 732 | } |
| 733 | return s->lport >= low && s->lport <= high; |
| 734 | } |
| 735 | case SSF_DCOND: |
| 736 | { |
| 737 | struct aafilter *a = (void*)f->pred; |
| 738 | if (a->addr.family == AF_UNIX) |
| 739 | return unix_match(&s->remote, &a->addr); |
| 740 | if (a->port != -1 && a->port != s->rport) |
| 741 | return 0; |
| 742 | if (a->addr.bitlen) { |
| 743 | do { |
| 744 | if (!inet2_addr_match(&s->remote, &a->addr, a->addr.bitlen)) |
| 745 | return 1; |
| 746 | } while ((a = a->next) != NULL); |
| 747 | return 0; |
| 748 | } |
| 749 | return 1; |
| 750 | } |
| 751 | case SSF_SCOND: |
| 752 | { |
| 753 | struct aafilter *a = (void*)f->pred; |
| 754 | if (a->addr.family == AF_UNIX) |
| 755 | return unix_match(&s->local, &a->addr); |
| 756 | if (a->port != -1 && a->port != s->lport) |
| 757 | return 0; |
| 758 | if (a->addr.bitlen) { |
| 759 | do { |
| 760 | if (!inet2_addr_match(&s->local, &a->addr, a->addr.bitlen)) |
| 761 | return 1; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 762 | } while ((a = a->next) != NULL); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 763 | return 0; |
| 764 | } |
| 765 | return 1; |
| 766 | } |
| 767 | case SSF_D_GE: |
| 768 | { |
| 769 | struct aafilter *a = (void*)f->pred; |
| 770 | return s->rport >= a->port; |
| 771 | } |
| 772 | case SSF_D_LE: |
| 773 | { |
| 774 | struct aafilter *a = (void*)f->pred; |
| 775 | return s->rport <= a->port; |
| 776 | } |
| 777 | case SSF_S_GE: |
| 778 | { |
| 779 | struct aafilter *a = (void*)f->pred; |
| 780 | return s->lport >= a->port; |
| 781 | } |
| 782 | case SSF_S_LE: |
| 783 | { |
| 784 | struct aafilter *a = (void*)f->pred; |
| 785 | return s->lport <= a->port; |
| 786 | } |
| 787 | |
| 788 | /* Yup. It is recursion. Sorry. */ |
| 789 | case SSF_AND: |
| 790 | return run_ssfilter(f->pred, s) && run_ssfilter(f->post, s); |
| 791 | case SSF_OR: |
| 792 | return run_ssfilter(f->pred, s) || run_ssfilter(f->post, s); |
| 793 | case SSF_NOT: |
| 794 | return !run_ssfilter(f->pred, s); |
| 795 | default: |
| 796 | abort(); |
| 797 | } |
| 798 | } |
| 799 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 800 | /* Relocate external jumps by reloc. */ |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 801 | static void ssfilter_patch(char *a, int len, int reloc) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 802 | { |
| 803 | while (len > 0) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 804 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op*)a; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 805 | if (op->no == len+4) |
| 806 | op->no += reloc; |
| 807 | len -= op->yes; |
| 808 | a += op->yes; |
| 809 | } |
| 810 | if (len < 0) |
| 811 | abort(); |
| 812 | } |
| 813 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 814 | static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 815 | { |
| 816 | switch (f->type) { |
| 817 | case SSF_S_AUTO: |
| 818 | { |
| 819 | if (!(*bytecode=malloc(4))) abort(); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 820 | ((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] | 821 | return 4; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 822 | } |
| 823 | case SSF_DCOND: |
| 824 | case SSF_SCOND: |
| 825 | { |
| 826 | struct aafilter *a = (void*)f->pred; |
| 827 | struct aafilter *b; |
| 828 | char *ptr; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 829 | 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] | 830 | int len = 0; |
| 831 | |
| 832 | for (b=a; b; b=b->next) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 833 | len += 4 + sizeof(struct inet_diag_hostcond); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 834 | if (a->addr.family == AF_INET6) |
| 835 | len += 16; |
| 836 | else |
| 837 | len += 4; |
| 838 | if (b->next) |
| 839 | len += 4; |
| 840 | } |
| 841 | if (!(ptr = malloc(len))) abort(); |
| 842 | *bytecode = ptr; |
| 843 | for (b=a; b; b=b->next) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 844 | 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] | 845 | int alen = (a->addr.family == AF_INET6 ? 16 : 4); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 846 | int oplen = alen + 4 + sizeof(struct inet_diag_hostcond); |
| 847 | struct inet_diag_hostcond *cond = (struct inet_diag_hostcond*)(ptr+4); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 848 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 849 | *op = (struct inet_diag_bc_op){ code, oplen, oplen+4 }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 850 | cond->family = a->addr.family; |
| 851 | cond->port = a->port; |
| 852 | cond->prefix_len = a->addr.bitlen; |
| 853 | memcpy(cond->addr, a->addr.data, alen); |
| 854 | ptr += oplen; |
| 855 | if (b->next) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 856 | op = (struct inet_diag_bc_op *)ptr; |
| 857 | *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] | 858 | ptr += 4; |
| 859 | } |
| 860 | } |
| 861 | return ptr - *bytecode; |
| 862 | } |
| 863 | case SSF_D_GE: |
| 864 | { |
| 865 | struct aafilter *x = (void*)f->pred; |
| 866 | if (!(*bytecode=malloc(8))) abort(); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 867 | ((struct inet_diag_bc_op*)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_GE, 8, 12 }; |
| 868 | ((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] | 869 | return 8; |
| 870 | } |
| 871 | case SSF_D_LE: |
| 872 | { |
| 873 | struct aafilter *x = (void*)f->pred; |
| 874 | if (!(*bytecode=malloc(8))) abort(); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 875 | ((struct inet_diag_bc_op*)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_LE, 8, 12 }; |
| 876 | ((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] | 877 | return 8; |
| 878 | } |
| 879 | case SSF_S_GE: |
| 880 | { |
| 881 | struct aafilter *x = (void*)f->pred; |
| 882 | if (!(*bytecode=malloc(8))) abort(); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 883 | ((struct inet_diag_bc_op*)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_GE, 8, 12 }; |
| 884 | ((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] | 885 | return 8; |
| 886 | } |
| 887 | case SSF_S_LE: |
| 888 | { |
| 889 | struct aafilter *x = (void*)f->pred; |
| 890 | if (!(*bytecode=malloc(8))) abort(); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 891 | ((struct inet_diag_bc_op*)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_LE, 8, 12 }; |
| 892 | ((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] | 893 | return 8; |
| 894 | } |
| 895 | |
| 896 | case SSF_AND: |
| 897 | { |
Andreas Henriksson | 2a4fa1c | 2013-11-13 09:46:42 +0100 | [diff] [blame] | 898 | char *a1, *a2, *a; |
| 899 | int l1, l2; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 900 | l1 = ssfilter_bytecompile(f->pred, &a1); |
| 901 | l2 = ssfilter_bytecompile(f->post, &a2); |
| 902 | if (!(a = malloc(l1+l2))) abort(); |
| 903 | memcpy(a, a1, l1); |
| 904 | memcpy(a+l1, a2, l2); |
| 905 | free(a1); free(a2); |
| 906 | ssfilter_patch(a, l1, l2); |
| 907 | *bytecode = a; |
| 908 | return l1+l2; |
| 909 | } |
| 910 | case SSF_OR: |
| 911 | { |
Andreas Henriksson | 2a4fa1c | 2013-11-13 09:46:42 +0100 | [diff] [blame] | 912 | char *a1, *a2, *a; |
| 913 | int l1, l2; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 914 | l1 = ssfilter_bytecompile(f->pred, &a1); |
| 915 | l2 = ssfilter_bytecompile(f->post, &a2); |
| 916 | if (!(a = malloc(l1+l2+4))) abort(); |
| 917 | memcpy(a, a1, l1); |
| 918 | memcpy(a+l1+4, a2, l2); |
| 919 | free(a1); free(a2); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 920 | *(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] | 921 | *bytecode = a; |
| 922 | return l1+l2+4; |
| 923 | } |
| 924 | case SSF_NOT: |
| 925 | { |
Andreas Henriksson | 2a4fa1c | 2013-11-13 09:46:42 +0100 | [diff] [blame] | 926 | char *a1, *a; |
| 927 | int l1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 928 | l1 = ssfilter_bytecompile(f->pred, &a1); |
| 929 | if (!(a = malloc(l1+4))) abort(); |
| 930 | memcpy(a, a1, l1); |
| 931 | free(a1); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 932 | *(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] | 933 | *bytecode = a; |
| 934 | return l1+4; |
| 935 | } |
| 936 | default: |
| 937 | abort(); |
| 938 | } |
| 939 | } |
| 940 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 941 | static int remember_he(struct aafilter *a, struct hostent *he) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 942 | { |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 943 | char **ptr = he->h_addr_list; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 944 | int cnt = 0; |
| 945 | int len; |
| 946 | |
| 947 | if (he->h_addrtype == AF_INET) |
| 948 | len = 4; |
| 949 | else if (he->h_addrtype == AF_INET6) |
| 950 | len = 16; |
| 951 | else |
| 952 | return 0; |
| 953 | |
| 954 | while (*ptr) { |
| 955 | struct aafilter *b = a; |
| 956 | if (a->addr.bitlen) { |
| 957 | if ((b = malloc(sizeof(*b))) == NULL) |
| 958 | return cnt; |
| 959 | *b = *a; |
| 960 | b->next = a->next; |
| 961 | a->next = b; |
| 962 | } |
| 963 | memcpy(b->addr.data, *ptr, len); |
| 964 | b->addr.bytelen = len; |
| 965 | b->addr.bitlen = len*8; |
| 966 | b->addr.family = he->h_addrtype; |
| 967 | ptr++; |
| 968 | cnt++; |
| 969 | } |
| 970 | return cnt; |
| 971 | } |
| 972 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 973 | 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] | 974 | { |
| 975 | static int notfirst; |
| 976 | int cnt = 0; |
| 977 | struct hostent *he; |
| 978 | |
| 979 | a->addr.bitlen = 0; |
| 980 | if (!notfirst) { |
| 981 | sethostent(1); |
| 982 | notfirst = 1; |
| 983 | } |
| 984 | he = gethostbyname2(addr, fam == AF_UNSPEC ? AF_INET : fam); |
| 985 | if (he) |
| 986 | cnt = remember_he(a, he); |
| 987 | if (fam == AF_UNSPEC) { |
| 988 | he = gethostbyname2(addr, AF_INET6); |
| 989 | if (he) |
| 990 | cnt += remember_he(a, he); |
| 991 | } |
| 992 | return !cnt; |
| 993 | } |
| 994 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 995 | static int xll_initted = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 996 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 997 | static void xll_init(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 998 | { |
| 999 | struct rtnl_handle rth; |
Stephen Hemminger | d2468da | 2013-12-20 08:15:02 -0800 | [diff] [blame] | 1000 | if (rtnl_open(&rth, 0) < 0) |
| 1001 | exit(1); |
| 1002 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1003 | ll_init_map(&rth); |
| 1004 | rtnl_close(&rth); |
| 1005 | xll_initted = 1; |
| 1006 | } |
| 1007 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1008 | static const char *xll_index_to_name(int index) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1009 | { |
| 1010 | if (!xll_initted) |
| 1011 | xll_init(); |
| 1012 | return ll_index_to_name(index); |
| 1013 | } |
| 1014 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1015 | static int xll_name_to_index(const char *dev) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1016 | { |
| 1017 | if (!xll_initted) |
| 1018 | xll_init(); |
| 1019 | return ll_name_to_index(dev); |
| 1020 | } |
| 1021 | |
| 1022 | void *parse_hostcond(char *addr) |
| 1023 | { |
| 1024 | char *port = NULL; |
| 1025 | struct aafilter a; |
| 1026 | struct aafilter *res; |
| 1027 | int fam = preferred_family; |
| 1028 | |
| 1029 | memset(&a, 0, sizeof(a)); |
| 1030 | a.port = -1; |
| 1031 | |
| 1032 | if (fam == AF_UNIX || strncmp(addr, "unix:", 5) == 0) { |
| 1033 | char *p; |
| 1034 | a.addr.family = AF_UNIX; |
| 1035 | if (strncmp(addr, "unix:", 5) == 0) |
| 1036 | addr+=5; |
| 1037 | p = strdup(addr); |
| 1038 | a.addr.bitlen = 8*strlen(p); |
| 1039 | memcpy(a.addr.data, &p, sizeof(p)); |
| 1040 | goto out; |
| 1041 | } |
| 1042 | |
| 1043 | if (fam == AF_PACKET || strncmp(addr, "link:", 5) == 0) { |
| 1044 | a.addr.family = AF_PACKET; |
| 1045 | a.addr.bitlen = 0; |
| 1046 | if (strncmp(addr, "link:", 5) == 0) |
| 1047 | addr+=5; |
| 1048 | port = strchr(addr, ':'); |
| 1049 | if (port) { |
| 1050 | *port = 0; |
| 1051 | if (port[1] && strcmp(port+1, "*")) { |
| 1052 | if (get_integer(&a.port, port+1, 0)) { |
| 1053 | if ((a.port = xll_name_to_index(port+1)) <= 0) |
| 1054 | return NULL; |
| 1055 | } |
| 1056 | } |
| 1057 | } |
| 1058 | if (addr[0] && strcmp(addr, "*")) { |
| 1059 | unsigned short tmp; |
| 1060 | a.addr.bitlen = 32; |
| 1061 | if (ll_proto_a2n(&tmp, addr)) |
| 1062 | return NULL; |
| 1063 | a.addr.data[0] = ntohs(tmp); |
| 1064 | } |
| 1065 | goto out; |
| 1066 | } |
| 1067 | |
| 1068 | if (fam == AF_NETLINK || strncmp(addr, "netlink:", 8) == 0) { |
| 1069 | a.addr.family = AF_NETLINK; |
| 1070 | a.addr.bitlen = 0; |
| 1071 | if (strncmp(addr, "netlink:", 8) == 0) |
| 1072 | addr+=8; |
| 1073 | port = strchr(addr, ':'); |
| 1074 | if (port) { |
| 1075 | *port = 0; |
| 1076 | if (port[1] && strcmp(port+1, "*")) { |
| 1077 | if (get_integer(&a.port, port+1, 0)) { |
| 1078 | if (strcmp(port+1, "kernel") == 0) |
| 1079 | a.port = 0; |
| 1080 | else |
| 1081 | return NULL; |
| 1082 | } |
| 1083 | } |
| 1084 | } |
| 1085 | if (addr[0] && strcmp(addr, "*")) { |
| 1086 | a.addr.bitlen = 32; |
| 1087 | if (get_u32(a.addr.data, addr, 0)) { |
| 1088 | if (strcmp(addr, "rtnl") == 0) |
| 1089 | a.addr.data[0] = 0; |
| 1090 | else if (strcmp(addr, "fw") == 0) |
| 1091 | a.addr.data[0] = 3; |
| 1092 | else if (strcmp(addr, "tcpdiag") == 0) |
| 1093 | a.addr.data[0] = 4; |
| 1094 | else |
| 1095 | return NULL; |
| 1096 | } |
| 1097 | } |
| 1098 | goto out; |
| 1099 | } |
| 1100 | |
| 1101 | if (strncmp(addr, "inet:", 5) == 0) { |
| 1102 | addr += 5; |
| 1103 | fam = AF_INET; |
| 1104 | } else if (strncmp(addr, "inet6:", 6) == 0) { |
| 1105 | addr += 6; |
| 1106 | fam = AF_INET6; |
| 1107 | } |
| 1108 | |
| 1109 | /* URL-like literal [] */ |
| 1110 | if (addr[0] == '[') { |
| 1111 | addr++; |
| 1112 | if ((port = strchr(addr, ']')) == NULL) |
| 1113 | return NULL; |
| 1114 | *port++ = 0; |
| 1115 | } else if (addr[0] == '*') { |
| 1116 | port = addr+1; |
| 1117 | } else { |
| 1118 | port = strrchr(strchr(addr, '/') ? : addr, ':'); |
| 1119 | } |
| 1120 | if (port && *port) { |
| 1121 | if (*port != ':') |
| 1122 | return NULL; |
| 1123 | *port++ = 0; |
| 1124 | if (*port && *port != '*') { |
| 1125 | if (get_integer(&a.port, port, 0)) { |
| 1126 | struct servent *se1 = NULL; |
| 1127 | struct servent *se2 = NULL; |
| 1128 | if (current_filter.dbs&(1<<UDP_DB)) |
| 1129 | se1 = getservbyname(port, UDP_PROTO); |
| 1130 | if (current_filter.dbs&(1<<TCP_DB)) |
| 1131 | se2 = getservbyname(port, TCP_PROTO); |
| 1132 | if (se1 && se2 && se1->s_port != se2->s_port) { |
| 1133 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); |
| 1134 | return NULL; |
| 1135 | } |
| 1136 | if (!se1) |
| 1137 | se1 = se2; |
| 1138 | if (se1) { |
| 1139 | a.port = ntohs(se1->s_port); |
| 1140 | } else { |
| 1141 | struct scache *s; |
| 1142 | for (s = rlist; s; s = s->next) { |
| 1143 | if ((s->proto == UDP_PROTO && |
| 1144 | (current_filter.dbs&(1<<UDP_DB))) || |
| 1145 | (s->proto == TCP_PROTO && |
| 1146 | (current_filter.dbs&(1<<TCP_DB)))) { |
| 1147 | if (s->name && strcmp(s->name, port) == 0) { |
| 1148 | if (a.port > 0 && a.port != s->port) { |
| 1149 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); |
| 1150 | return NULL; |
| 1151 | } |
| 1152 | a.port = s->port; |
| 1153 | } |
| 1154 | } |
| 1155 | } |
| 1156 | if (a.port <= 0) { |
| 1157 | fprintf(stderr, "Error: \"%s\" does not look like a port.\n", port); |
| 1158 | return NULL; |
| 1159 | } |
| 1160 | } |
| 1161 | } |
| 1162 | } |
| 1163 | } |
| 1164 | if (addr && *addr && *addr != '*') { |
| 1165 | if (get_prefix_1(&a.addr, addr, fam)) { |
| 1166 | if (get_dns_host(&a, addr, fam)) { |
| 1167 | fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", addr); |
| 1168 | return NULL; |
| 1169 | } |
| 1170 | } |
| 1171 | } |
| 1172 | |
| 1173 | out: |
| 1174 | res = malloc(sizeof(*res)); |
| 1175 | if (res) |
| 1176 | memcpy(res, &a, sizeof(a)); |
| 1177 | return res; |
| 1178 | } |
| 1179 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1180 | static int tcp_show_line(char *line, const struct filter *f, int family) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1181 | { |
| 1182 | struct tcpstat s; |
| 1183 | char *loc, *rem, *data; |
| 1184 | char opt[256]; |
| 1185 | int n; |
| 1186 | char *p; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1187 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1188 | if ((p = strchr(line, ':')) == NULL) |
| 1189 | return -1; |
| 1190 | loc = p+2; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1191 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1192 | if ((p = strchr(loc, ':')) == NULL) |
| 1193 | return -1; |
| 1194 | p[5] = 0; |
| 1195 | rem = p+6; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1196 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1197 | if ((p = strchr(rem, ':')) == NULL) |
| 1198 | return -1; |
| 1199 | p[5] = 0; |
| 1200 | data = p+6; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1201 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1202 | do { |
| 1203 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); |
| 1204 | |
| 1205 | if (!(f->states & (1<<state))) |
| 1206 | return 0; |
| 1207 | } while (0); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1208 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1209 | s.local.family = s.remote.family = family; |
| 1210 | if (family == AF_INET) { |
| 1211 | sscanf(loc, "%x:%x", s.local.data, (unsigned*)&s.lport); |
| 1212 | sscanf(rem, "%x:%x", s.remote.data, (unsigned*)&s.rport); |
| 1213 | s.local.bytelen = s.remote.bytelen = 4; |
| 1214 | } else { |
| 1215 | sscanf(loc, "%08x%08x%08x%08x:%x", |
| 1216 | s.local.data, |
| 1217 | s.local.data+1, |
| 1218 | s.local.data+2, |
| 1219 | s.local.data+3, |
| 1220 | &s.lport); |
| 1221 | sscanf(rem, "%08x%08x%08x%08x:%x", |
| 1222 | s.remote.data, |
| 1223 | s.remote.data+1, |
| 1224 | s.remote.data+2, |
| 1225 | s.remote.data+3, |
| 1226 | &s.rport); |
| 1227 | s.local.bytelen = s.remote.bytelen = 16; |
| 1228 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1229 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1230 | if (f->f && run_ssfilter(f->f, &s) == 0) |
| 1231 | return 0; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1232 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1233 | opt[0] = 0; |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 1234 | n = sscanf(data, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %d %d %[^\n]\n", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1235 | &s.state, &s.wq, &s.rq, |
| 1236 | &s.timer, &s.timeout, &s.retrs, &s.uid, &s.probes, &s.ino, |
| 1237 | &s.refcnt, &s.sk, &s.rto, &s.ato, &s.qack, |
| 1238 | &s.cwnd, &s.ssthresh, opt); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1239 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1240 | if (n < 17) |
| 1241 | opt[0] = 0; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1242 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1243 | if (n < 12) { |
| 1244 | s.rto = 0; |
| 1245 | s.cwnd = 2; |
| 1246 | s.ssthresh = -1; |
| 1247 | s.ato = s.qack = 0; |
| 1248 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1249 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1250 | if (netid_width) |
| 1251 | printf("%-*s ", netid_width, "tcp"); |
| 1252 | if (state_width) |
| 1253 | printf("%-*s ", state_width, sstate_name[s.state]); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1254 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1255 | printf("%-6d %-6d ", s.rq, s.wq); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1256 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1257 | formatted_print(&s.local, s.lport); |
| 1258 | formatted_print(&s.remote, s.rport); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1259 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1260 | if (show_options) { |
| 1261 | if (s.timer) { |
| 1262 | if (s.timer > 4) |
| 1263 | s.timer = 5; |
| 1264 | printf(" timer:(%s,%s,%d)", |
| 1265 | tmr_name[s.timer], |
| 1266 | print_hz_timer(s.timeout), |
| 1267 | s.timer != 1 ? s.probes : s.retrs); |
| 1268 | } |
| 1269 | } |
| 1270 | if (show_tcpinfo) { |
Stephen Hemminger | 4c1db13 | 2008-06-20 12:34:15 -0700 | [diff] [blame] | 1271 | int hz = get_user_hz(); |
| 1272 | if (s.rto && s.rto != 3*hz) |
| 1273 | printf(" rto:%g", (double)s.rto/hz); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1274 | if (s.ato) |
Stephen Hemminger | 4c1db13 | 2008-06-20 12:34:15 -0700 | [diff] [blame] | 1275 | printf(" ato:%g", (double)s.ato/hz); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1276 | if (s.cwnd != 2) |
| 1277 | printf(" cwnd:%d", s.cwnd); |
| 1278 | if (s.ssthresh != -1) |
| 1279 | printf(" ssthresh:%d", s.ssthresh); |
| 1280 | if (s.qack/2) |
| 1281 | printf(" qack:%d", s.qack/2); |
| 1282 | if (s.qack&1) |
| 1283 | printf(" bidir"); |
| 1284 | } |
| 1285 | if (show_users) { |
| 1286 | char ubuf[4096]; |
| 1287 | if (find_users(s.ino, ubuf, sizeof(ubuf)) > 0) |
| 1288 | printf(" users:(%s)", ubuf); |
| 1289 | } |
| 1290 | if (show_details) { |
| 1291 | if (s.uid) |
| 1292 | printf(" uid:%u", (unsigned)s.uid); |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 1293 | printf(" ino:%u", s.ino); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1294 | printf(" sk:%llx", s.sk); |
| 1295 | if (opt[0]) |
| 1296 | printf(" opt:\"%s\"", opt); |
| 1297 | } |
| 1298 | printf("\n"); |
| 1299 | |
| 1300 | return 0; |
| 1301 | } |
| 1302 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1303 | static int generic_record_read(FILE *fp, |
| 1304 | int (*worker)(char*, const struct filter *, int), |
| 1305 | const struct filter *f, int fam) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1306 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1307 | char line[256]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1308 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1309 | /* skip header */ |
| 1310 | if (fgets(line, sizeof(line), fp) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1311 | goto outerr; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1312 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1313 | while (fgets(line, sizeof(line), fp) != NULL) { |
| 1314 | int n = strlen(line); |
| 1315 | if (n == 0 || line[n-1] != '\n') { |
| 1316 | errno = -EINVAL; |
| 1317 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1318 | } |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1319 | line[n-1] = 0; |
| 1320 | |
| 1321 | if (worker(line, f, fam) < 0) |
| 1322 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1323 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1324 | outerr: |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1325 | |
| 1326 | return ferror(fp) ? -1 : 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1327 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1328 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1329 | static char *sprint_bw(char *buf, double bw) |
| 1330 | { |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1331 | if (bw > 1000000.) |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1332 | sprintf(buf,"%.1fM", bw / 1000000.); |
| 1333 | else if (bw > 1000.) |
| 1334 | sprintf(buf,"%.1fK", bw / 1000.); |
| 1335 | else |
| 1336 | sprintf(buf, "%g", bw); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1337 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1338 | return buf; |
| 1339 | } |
| 1340 | |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 1341 | static void print_skmeminfo(struct rtattr *tb[], int attrtype) |
| 1342 | { |
| 1343 | const __u32 *skmeminfo; |
| 1344 | if (!tb[attrtype]) |
| 1345 | return; |
| 1346 | skmeminfo = RTA_DATA(tb[attrtype]); |
| 1347 | |
| 1348 | printf(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u", |
| 1349 | skmeminfo[SK_MEMINFO_RMEM_ALLOC], |
| 1350 | skmeminfo[SK_MEMINFO_RCVBUF], |
| 1351 | skmeminfo[SK_MEMINFO_WMEM_ALLOC], |
| 1352 | skmeminfo[SK_MEMINFO_SNDBUF], |
| 1353 | skmeminfo[SK_MEMINFO_FWD_ALLOC], |
| 1354 | skmeminfo[SK_MEMINFO_WMEM_QUEUED], |
| 1355 | skmeminfo[SK_MEMINFO_OPTMEM]); |
| 1356 | |
| 1357 | if (RTA_PAYLOAD(tb[attrtype]) >= |
| 1358 | (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32)) |
| 1359 | printf(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]); |
| 1360 | |
| 1361 | printf(")"); |
| 1362 | } |
| 1363 | |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 1364 | static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, |
| 1365 | struct rtattr *tb[]) |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1366 | { |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1367 | char b1[64]; |
| 1368 | double rtt = 0; |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1369 | |
Shan Wei | 910b039 | 2012-05-03 16:39:52 +0800 | [diff] [blame] | 1370 | if (tb[INET_DIAG_SKMEMINFO]) { |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 1371 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); |
Eric Dumazet | c6d6c92 | 2012-08-01 16:16:43 -0700 | [diff] [blame] | 1372 | } else if (tb[INET_DIAG_MEMINFO]) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1373 | const struct inet_diag_meminfo *minfo |
| 1374 | = RTA_DATA(tb[INET_DIAG_MEMINFO]); |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1375 | printf(" mem:(r%u,w%u,f%u,t%u)", |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1376 | minfo->idiag_rmem, |
| 1377 | minfo->idiag_wmem, |
| 1378 | minfo->idiag_fmem, |
| 1379 | minfo->idiag_tmem); |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1380 | } |
| 1381 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1382 | if (tb[INET_DIAG_INFO]) { |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 1383 | struct tcp_info *info; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1384 | int len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 1385 | |
| 1386 | /* workaround for older kernels with less fields */ |
| 1387 | if (len < sizeof(*info)) { |
| 1388 | info = alloca(sizeof(*info)); |
| 1389 | memset(info, 0, sizeof(*info)); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1390 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 1391 | } else |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1392 | info = RTA_DATA(tb[INET_DIAG_INFO]); |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 1393 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1394 | if (show_options) { |
| 1395 | if (info->tcpi_options & TCPI_OPT_TIMESTAMPS) |
| 1396 | printf(" ts"); |
| 1397 | if (info->tcpi_options & TCPI_OPT_SACK) |
| 1398 | printf(" sack"); |
| 1399 | if (info->tcpi_options & TCPI_OPT_ECN) |
| 1400 | printf(" ecn"); |
Eric Dumazet | 719b958 | 2011-11-16 07:59:06 +0000 | [diff] [blame] | 1401 | if (info->tcpi_options & TCPI_OPT_ECN_SEEN) |
| 1402 | printf(" ecnseen"); |
Eric Dumazet | 9cb1ecc | 2013-05-03 20:48:00 -0700 | [diff] [blame] | 1403 | if (info->tcpi_options & TCPI_OPT_SYN_DATA) |
| 1404 | printf(" fastopen"); |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1405 | } |
shemminger | 52d5ac3 | 2005-07-05 22:11:37 +0000 | [diff] [blame] | 1406 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1407 | if (tb[INET_DIAG_CONG]) |
Stephen Hemminger | ff24746 | 2012-04-10 08:47:55 -0700 | [diff] [blame] | 1408 | printf(" %s", rta_getattr_str(tb[INET_DIAG_CONG])); |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 1409 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1410 | if (info->tcpi_options & TCPI_OPT_WSCALE) |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 1411 | printf(" wscale:%d,%d", info->tcpi_snd_wscale, |
| 1412 | info->tcpi_rcv_wscale); |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1413 | if (info->tcpi_rto && info->tcpi_rto != 3000000) |
| 1414 | printf(" rto:%g", (double)info->tcpi_rto/1000); |
| 1415 | if (info->tcpi_rtt) |
| 1416 | printf(" rtt:%g/%g", (double)info->tcpi_rtt/1000, |
| 1417 | (double)info->tcpi_rttvar/1000); |
| 1418 | if (info->tcpi_ato) |
| 1419 | printf(" ato:%g", (double)info->tcpi_ato/1000); |
Ben Hutchings | 4d35434 | 2012-07-30 20:51:07 +0100 | [diff] [blame] | 1420 | if (info->tcpi_snd_mss) |
| 1421 | printf(" mss:%d", info->tcpi_snd_mss); |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1422 | if (info->tcpi_snd_cwnd != 2) |
| 1423 | printf(" cwnd:%d", info->tcpi_snd_cwnd); |
| 1424 | if (info->tcpi_snd_ssthresh < 0xFFFF) |
| 1425 | printf(" ssthresh:%d", info->tcpi_snd_ssthresh); |
shemminger | 52d5ac3 | 2005-07-05 22:11:37 +0000 | [diff] [blame] | 1426 | |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1427 | rtt = (double) info->tcpi_rtt; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1428 | if (tb[INET_DIAG_VEGASINFO]) { |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 1429 | const struct tcpvegas_info *vinfo |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1430 | = RTA_DATA(tb[INET_DIAG_VEGASINFO]); |
osdl.org!shemminger | 05e1811 | 2004-06-08 20:33:44 +0000 | [diff] [blame] | 1431 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1432 | if (vinfo->tcpv_enabled && |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 1433 | vinfo->tcpv_rtt && vinfo->tcpv_rtt != 0x7fffffff) |
| 1434 | rtt = vinfo->tcpv_rtt; |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1435 | } |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1436 | |
| 1437 | if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) { |
| 1438 | printf(" send %sbps", |
| 1439 | sprint_bw(b1, (double) info->tcpi_snd_cwnd * |
| 1440 | (double) info->tcpi_snd_mss * 8000000. |
| 1441 | / rtt)); |
| 1442 | } |
| 1443 | |
Eric Dumazet | 260804f | 2013-06-25 13:29:17 -0700 | [diff] [blame] | 1444 | if (info->tcpi_unacked) |
| 1445 | printf(" unacked:%u", info->tcpi_unacked); |
| 1446 | if (info->tcpi_retrans || info->tcpi_total_retrans) |
| 1447 | printf(" retrans:%u/%u", info->tcpi_retrans, |
| 1448 | info->tcpi_total_retrans); |
| 1449 | if (info->tcpi_lost) |
| 1450 | printf(" lost:%u", info->tcpi_lost); |
| 1451 | if (info->tcpi_sacked && r->idiag_state != SS_LISTEN) |
| 1452 | printf(" sacked:%u", info->tcpi_sacked); |
| 1453 | if (info->tcpi_fackets) |
| 1454 | printf(" fackets:%u", info->tcpi_fackets); |
| 1455 | if (info->tcpi_reordering != 3) |
| 1456 | printf(" reordering:%d", info->tcpi_reordering); |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1457 | if (info->tcpi_rcv_rtt) |
| 1458 | printf(" rcv_rtt:%g", (double) info->tcpi_rcv_rtt/1000); |
| 1459 | if (info->tcpi_rcv_space) |
| 1460 | printf(" rcv_space:%d", info->tcpi_rcv_space); |
| 1461 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1462 | } |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1463 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1464 | |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 1465 | static int inet_show_sock(struct nlmsghdr *nlh, struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1466 | { |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 1467 | struct rtattr * tb[INET_DIAG_MAX+1]; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1468 | struct inet_diag_msg *r = NLMSG_DATA(nlh); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1469 | struct tcpstat s; |
| 1470 | |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 1471 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr*)(r+1), |
| 1472 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
| 1473 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1474 | s.state = r->idiag_state; |
| 1475 | s.local.family = s.remote.family = r->idiag_family; |
| 1476 | s.lport = ntohs(r->id.idiag_sport); |
| 1477 | s.rport = ntohs(r->id.idiag_dport); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1478 | if (s.local.family == AF_INET) { |
| 1479 | s.local.bytelen = s.remote.bytelen = 4; |
| 1480 | } else { |
| 1481 | s.local.bytelen = s.remote.bytelen = 16; |
| 1482 | } |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1483 | memcpy(s.local.data, r->id.idiag_src, s.local.bytelen); |
| 1484 | memcpy(s.remote.data, r->id.idiag_dst, s.local.bytelen); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1485 | |
| 1486 | if (f && f->f && run_ssfilter(f->f, &s) == 0) |
| 1487 | return 0; |
| 1488 | |
| 1489 | if (netid_width) |
| 1490 | printf("%-*s ", netid_width, "tcp"); |
| 1491 | if (state_width) |
| 1492 | printf("%-*s ", state_width, sstate_name[s.state]); |
| 1493 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1494 | printf("%-6d %-6d ", r->idiag_rqueue, r->idiag_wqueue); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1495 | |
| 1496 | formatted_print(&s.local, s.lport); |
| 1497 | formatted_print(&s.remote, s.rport); |
| 1498 | |
| 1499 | if (show_options) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1500 | if (r->idiag_timer) { |
| 1501 | if (r->idiag_timer > 4) |
| 1502 | r->idiag_timer = 5; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1503 | printf(" timer:(%s,%s,%d)", |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1504 | tmr_name[r->idiag_timer], |
| 1505 | print_ms_timer(r->idiag_expires), |
| 1506 | r->idiag_retrans); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1507 | } |
| 1508 | } |
| 1509 | if (show_users) { |
| 1510 | char ubuf[4096]; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1511 | if (find_users(r->idiag_inode, ubuf, sizeof(ubuf)) > 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1512 | printf(" users:(%s)", ubuf); |
| 1513 | } |
| 1514 | if (show_details) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1515 | if (r->idiag_uid) |
| 1516 | printf(" uid:%u", (unsigned)r->idiag_uid); |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 1517 | printf(" ino:%u", r->idiag_inode); |
Eric Dumazet | bbe3205 | 2009-09-11 09:48:07 +0200 | [diff] [blame] | 1518 | printf(" sk:"); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1519 | if (r->id.idiag_cookie[1] != 0) |
| 1520 | printf("%08x", r->id.idiag_cookie[1]); |
Eric Dumazet | bbe3205 | 2009-09-11 09:48:07 +0200 | [diff] [blame] | 1521 | printf("%08x", r->id.idiag_cookie[0]); |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 1522 | if (tb[INET_DIAG_SHUTDOWN]) { |
| 1523 | unsigned char mask; |
| 1524 | mask = *(__u8 *)RTA_DATA(tb[INET_DIAG_SHUTDOWN]); |
| 1525 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); |
| 1526 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1527 | } |
| 1528 | if (show_mem || show_tcpinfo) { |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1529 | printf("\n\t"); |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 1530 | tcp_show_info(nlh, r, tb); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1531 | } |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1532 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1533 | printf("\n"); |
| 1534 | |
| 1535 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1536 | } |
| 1537 | |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 1538 | static int tcpdiag_send(int fd, int protocol, struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1539 | { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1540 | struct sockaddr_nl nladdr; |
| 1541 | struct { |
| 1542 | struct nlmsghdr nlh; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1543 | struct inet_diag_req r; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1544 | } req; |
| 1545 | char *bc = NULL; |
| 1546 | int bclen; |
| 1547 | struct msghdr msg; |
| 1548 | struct rtattr rta; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1549 | struct iovec iov[3]; |
| 1550 | |
Pavel Emelyanov | 346f8ca | 2012-10-25 03:24:58 +0000 | [diff] [blame] | 1551 | if (protocol == IPPROTO_UDP) |
| 1552 | return -1; |
| 1553 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1554 | memset(&nladdr, 0, sizeof(nladdr)); |
| 1555 | nladdr.nl_family = AF_NETLINK; |
| 1556 | |
| 1557 | req.nlh.nlmsg_len = sizeof(req); |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 1558 | if (protocol == IPPROTO_TCP) |
| 1559 | req.nlh.nlmsg_type = TCPDIAG_GETSOCK; |
| 1560 | else |
| 1561 | req.nlh.nlmsg_type = DCCPDIAG_GETSOCK; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1562 | req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST; |
| 1563 | req.nlh.nlmsg_pid = 0; |
| 1564 | req.nlh.nlmsg_seq = 123456; |
| 1565 | memset(&req.r, 0, sizeof(req.r)); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1566 | req.r.idiag_family = AF_INET; |
| 1567 | req.r.idiag_states = f->states; |
Shan Wei | 910b039 | 2012-05-03 16:39:52 +0800 | [diff] [blame] | 1568 | if (show_mem) { |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1569 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); |
Shan Wei | 910b039 | 2012-05-03 16:39:52 +0800 | [diff] [blame] | 1570 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); |
| 1571 | } |
osdl.net!shemminger | b4b0b7d | 2004-09-28 18:14:03 +0000 | [diff] [blame] | 1572 | |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1573 | if (show_tcpinfo) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1574 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); |
| 1575 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); |
| 1576 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 1577 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1578 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1579 | iov[0] = (struct iovec){ |
| 1580 | .iov_base = &req, |
| 1581 | .iov_len = sizeof(req) |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 1582 | }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1583 | if (f->f) { |
| 1584 | bclen = ssfilter_bytecompile(f->f, &bc); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 1585 | rta.rta_type = INET_DIAG_REQ_BYTECODE; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1586 | rta.rta_len = RTA_LENGTH(bclen); |
| 1587 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; |
| 1588 | iov[2] = (struct iovec){ bc, bclen }; |
| 1589 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); |
| 1590 | } |
| 1591 | |
| 1592 | msg = (struct msghdr) { |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1593 | .msg_name = (void*)&nladdr, |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 1594 | .msg_namelen = sizeof(nladdr), |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1595 | .msg_iov = iov, |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 1596 | .msg_iovlen = f->f ? 3 : 1, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1597 | }; |
| 1598 | |
Eric Dumazet | 930a75f | 2012-04-10 09:00:16 -0700 | [diff] [blame] | 1599 | if (sendmsg(fd, &msg, 0) < 0) { |
| 1600 | close(fd); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1601 | return -1; |
Eric Dumazet | 930a75f | 2012-04-10 09:00:16 -0700 | [diff] [blame] | 1602 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1603 | |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 1604 | return 0; |
| 1605 | } |
| 1606 | |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 1607 | static int sockdiag_send(int family, int fd, int protocol, struct filter *f) |
| 1608 | { |
| 1609 | struct sockaddr_nl nladdr; |
| 1610 | struct { |
| 1611 | struct nlmsghdr nlh; |
| 1612 | struct inet_diag_req_v2 r; |
| 1613 | } req; |
| 1614 | char *bc = NULL; |
| 1615 | int bclen; |
| 1616 | struct msghdr msg; |
| 1617 | struct rtattr rta; |
| 1618 | struct iovec iov[3]; |
| 1619 | |
| 1620 | if (family == PF_UNSPEC) |
| 1621 | return tcpdiag_send(fd, protocol, f); |
| 1622 | |
| 1623 | memset(&nladdr, 0, sizeof(nladdr)); |
| 1624 | nladdr.nl_family = AF_NETLINK; |
| 1625 | |
| 1626 | req.nlh.nlmsg_len = sizeof(req); |
| 1627 | req.nlh.nlmsg_type = SOCK_DIAG_BY_FAMILY; |
| 1628 | req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST; |
| 1629 | req.nlh.nlmsg_pid = 0; |
| 1630 | req.nlh.nlmsg_seq = 123456; |
| 1631 | memset(&req.r, 0, sizeof(req.r)); |
| 1632 | req.r.sdiag_family = family; |
| 1633 | req.r.sdiag_protocol = protocol; |
| 1634 | req.r.idiag_states = f->states; |
| 1635 | if (show_mem) { |
| 1636 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); |
| 1637 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); |
| 1638 | } |
| 1639 | |
| 1640 | if (show_tcpinfo) { |
| 1641 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); |
| 1642 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); |
| 1643 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); |
| 1644 | } |
| 1645 | |
| 1646 | iov[0] = (struct iovec){ |
| 1647 | .iov_base = &req, |
| 1648 | .iov_len = sizeof(req) |
| 1649 | }; |
| 1650 | if (f->f) { |
| 1651 | bclen = ssfilter_bytecompile(f->f, &bc); |
| 1652 | rta.rta_type = INET_DIAG_REQ_BYTECODE; |
| 1653 | rta.rta_len = RTA_LENGTH(bclen); |
| 1654 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; |
| 1655 | iov[2] = (struct iovec){ bc, bclen }; |
| 1656 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); |
| 1657 | } |
| 1658 | |
| 1659 | msg = (struct msghdr) { |
| 1660 | .msg_name = (void*)&nladdr, |
| 1661 | .msg_namelen = sizeof(nladdr), |
| 1662 | .msg_iov = iov, |
| 1663 | .msg_iovlen = f->f ? 3 : 1, |
| 1664 | }; |
| 1665 | |
| 1666 | if (sendmsg(fd, &msg, 0) < 0) { |
| 1667 | close(fd); |
| 1668 | return -1; |
| 1669 | } |
| 1670 | |
| 1671 | return 0; |
| 1672 | } |
| 1673 | |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 1674 | static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol) |
| 1675 | { |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 1676 | int fd, family; |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 1677 | struct sockaddr_nl nladdr; |
| 1678 | struct msghdr msg; |
| 1679 | char buf[8192]; |
| 1680 | struct iovec iov[3]; |
| 1681 | |
| 1682 | if ((fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_INET_DIAG)) < 0) |
| 1683 | return -1; |
| 1684 | |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 1685 | family = PF_INET; |
| 1686 | again: |
| 1687 | if (sockdiag_send(family, fd, protocol, f)) |
Pavel Emelyanov | 746a695 | 2012-10-25 03:21:39 +0000 | [diff] [blame] | 1688 | return -1; |
| 1689 | |
| 1690 | memset(&nladdr, 0, sizeof(nladdr)); |
| 1691 | nladdr.nl_family = AF_NETLINK; |
| 1692 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1693 | iov[0] = (struct iovec){ |
| 1694 | .iov_base = buf, |
| 1695 | .iov_len = sizeof(buf) |
shemminger | ea8fc10 | 2005-06-22 18:27:49 +0000 | [diff] [blame] | 1696 | }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1697 | |
| 1698 | while (1) { |
| 1699 | int status; |
| 1700 | struct nlmsghdr *h; |
| 1701 | |
| 1702 | msg = (struct msghdr) { |
| 1703 | (void*)&nladdr, sizeof(nladdr), |
| 1704 | iov, 1, |
| 1705 | NULL, 0, |
| 1706 | 0 |
| 1707 | }; |
| 1708 | |
| 1709 | status = recvmsg(fd, &msg, 0); |
| 1710 | |
| 1711 | if (status < 0) { |
| 1712 | if (errno == EINTR) |
| 1713 | continue; |
| 1714 | perror("OVERRUN"); |
| 1715 | continue; |
| 1716 | } |
| 1717 | if (status == 0) { |
| 1718 | fprintf(stderr, "EOF on netlink\n"); |
Matt Tierney | c51577c | 2012-02-15 18:20:38 -0500 | [diff] [blame] | 1719 | close(fd); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1720 | return 0; |
| 1721 | } |
| 1722 | |
| 1723 | if (dump_fp) |
| 1724 | fwrite(buf, 1, NLMSG_ALIGN(status), dump_fp); |
| 1725 | |
| 1726 | h = (struct nlmsghdr*)buf; |
| 1727 | while (NLMSG_OK(h, status)) { |
| 1728 | int err; |
Li Yewang | a37b01c | 2008-09-09 09:13:42 +0800 | [diff] [blame] | 1729 | struct inet_diag_msg *r = NLMSG_DATA(h); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1730 | |
| 1731 | if (/*h->nlmsg_pid != rth->local.nl_pid ||*/ |
| 1732 | h->nlmsg_seq != 123456) |
| 1733 | goto skip_it; |
| 1734 | |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 1735 | if (h->nlmsg_type == NLMSG_DONE) |
| 1736 | goto done; |
| 1737 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1738 | if (h->nlmsg_type == NLMSG_ERROR) { |
| 1739 | struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h); |
| 1740 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
| 1741 | fprintf(stderr, "ERROR truncated\n"); |
| 1742 | } else { |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 1743 | if (family != PF_UNSPEC) { |
| 1744 | family = PF_UNSPEC; |
| 1745 | goto again; |
| 1746 | } |
| 1747 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1748 | errno = -err->error; |
Eric Dumazet | 930a75f | 2012-04-10 09:00:16 -0700 | [diff] [blame] | 1749 | if (errno == EOPNOTSUPP) { |
| 1750 | close(fd); |
| 1751 | return -1; |
| 1752 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1753 | perror("TCPDIAG answers"); |
| 1754 | } |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 1755 | |
| 1756 | goto done; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1757 | } |
| 1758 | if (!dump_fp) { |
Li Yewang | a37b01c | 2008-09-09 09:13:42 +0800 | [diff] [blame] | 1759 | if (!(f->families & (1<<r->idiag_family))) { |
| 1760 | h = NLMSG_NEXT(h, status); |
| 1761 | continue; |
| 1762 | } |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 1763 | err = inet_show_sock(h, NULL); |
Matt Tierney | c51577c | 2012-02-15 18:20:38 -0500 | [diff] [blame] | 1764 | if (err < 0) { |
| 1765 | close(fd); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1766 | return err; |
Matt Tierney | c51577c | 2012-02-15 18:20:38 -0500 | [diff] [blame] | 1767 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1768 | } |
| 1769 | |
| 1770 | skip_it: |
| 1771 | h = NLMSG_NEXT(h, status); |
| 1772 | } |
| 1773 | if (msg.msg_flags & MSG_TRUNC) { |
| 1774 | fprintf(stderr, "Message truncated\n"); |
| 1775 | continue; |
| 1776 | } |
| 1777 | if (status) { |
| 1778 | fprintf(stderr, "!!!Remnant of size %d\n", status); |
| 1779 | exit(1); |
| 1780 | } |
| 1781 | } |
Pavel Emelyanov | 886d19d | 2012-10-25 03:23:36 +0000 | [diff] [blame] | 1782 | done: |
| 1783 | if (family == PF_INET) { |
| 1784 | family = PF_INET6; |
| 1785 | goto again; |
| 1786 | } |
| 1787 | |
Matt Tierney | c51577c | 2012-02-15 18:20:38 -0500 | [diff] [blame] | 1788 | close(fd); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1789 | return 0; |
| 1790 | } |
| 1791 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1792 | static int tcp_show_netlink_file(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1793 | { |
| 1794 | FILE *fp; |
| 1795 | char buf[8192]; |
| 1796 | |
| 1797 | if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) { |
| 1798 | perror("fopen($TCPDIAG_FILE)"); |
| 1799 | return -1; |
| 1800 | } |
| 1801 | |
| 1802 | while (1) { |
| 1803 | int status, err; |
| 1804 | struct nlmsghdr *h = (struct nlmsghdr*)buf; |
| 1805 | |
| 1806 | status = fread(buf, 1, sizeof(*h), fp); |
| 1807 | if (status < 0) { |
| 1808 | perror("Reading header from $TCPDIAG_FILE"); |
| 1809 | return -1; |
| 1810 | } |
| 1811 | if (status != sizeof(*h)) { |
| 1812 | perror("Unexpected EOF reading $TCPDIAG_FILE"); |
| 1813 | return -1; |
| 1814 | } |
| 1815 | |
| 1816 | status = fread(h+1, 1, NLMSG_ALIGN(h->nlmsg_len-sizeof(*h)), fp); |
| 1817 | |
| 1818 | if (status < 0) { |
| 1819 | perror("Reading $TCPDIAG_FILE"); |
| 1820 | return -1; |
| 1821 | } |
| 1822 | if (status + sizeof(*h) < h->nlmsg_len) { |
| 1823 | perror("Unexpected EOF reading $TCPDIAG_FILE"); |
| 1824 | return -1; |
| 1825 | } |
| 1826 | |
| 1827 | /* The only legal exit point */ |
| 1828 | if (h->nlmsg_type == NLMSG_DONE) |
| 1829 | return 0; |
| 1830 | |
| 1831 | if (h->nlmsg_type == NLMSG_ERROR) { |
| 1832 | struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h); |
| 1833 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
| 1834 | fprintf(stderr, "ERROR truncated\n"); |
| 1835 | } else { |
| 1836 | errno = -err->error; |
| 1837 | perror("TCPDIAG answered"); |
| 1838 | } |
| 1839 | return -1; |
| 1840 | } |
| 1841 | |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 1842 | err = inet_show_sock(h, f); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1843 | if (err < 0) |
| 1844 | return err; |
| 1845 | } |
| 1846 | } |
| 1847 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1848 | static int tcp_show(struct filter *f, int socktype) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1849 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1850 | FILE *fp = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1851 | char *buf = NULL; |
| 1852 | int bufsize = 64*1024; |
| 1853 | |
| 1854 | dg_proto = TCP_PROTO; |
| 1855 | |
| 1856 | if (getenv("TCPDIAG_FILE")) |
| 1857 | return tcp_show_netlink_file(f); |
| 1858 | |
| 1859 | if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT") |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 1860 | && inet_show_netlink(f, NULL, socktype) == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1861 | return 0; |
| 1862 | |
| 1863 | /* Sigh... We have to parse /proc/net/tcp... */ |
| 1864 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1865 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1866 | /* Estimate amount of sockets and try to allocate |
| 1867 | * huge buffer to read all the table at one read. |
| 1868 | * Limit it by 16MB though. The assumption is: as soon as |
| 1869 | * kernel was able to hold information about N connections, |
| 1870 | * it is able to give us some memory for snapshot. |
| 1871 | */ |
| 1872 | if (1) { |
| 1873 | int guess = slabstat.socks+slabstat.tcp_syns; |
| 1874 | if (f->states&(1<<SS_TIME_WAIT)) |
| 1875 | guess += slabstat.tcp_tws; |
| 1876 | if (guess > (16*1024*1024)/128) |
| 1877 | guess = (16*1024*1024)/128; |
| 1878 | guess *= 128; |
| 1879 | if (guess > bufsize) |
| 1880 | bufsize = guess; |
| 1881 | } |
| 1882 | while (bufsize >= 64*1024) { |
| 1883 | if ((buf = malloc(bufsize)) != NULL) |
| 1884 | break; |
| 1885 | bufsize /= 2; |
| 1886 | } |
| 1887 | if (buf == NULL) { |
| 1888 | errno = ENOMEM; |
| 1889 | return -1; |
| 1890 | } |
| 1891 | |
| 1892 | if (f->families & (1<<AF_INET)) { |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 1893 | if ((fp = net_tcp_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1894 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1895 | |
| 1896 | setbuffer(fp, buf, bufsize); |
| 1897 | if (generic_record_read(fp, tcp_show_line, f, AF_INET)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1898 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1899 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1900 | } |
| 1901 | |
| 1902 | if ((f->families & (1<<AF_INET6)) && |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 1903 | (fp = net_tcp6_open()) != NULL) { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1904 | setbuffer(fp, buf, bufsize); |
| 1905 | if (generic_record_read(fp, tcp_show_line, f, AF_INET6)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1906 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1907 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1908 | } |
| 1909 | |
| 1910 | free(buf); |
| 1911 | return 0; |
| 1912 | |
| 1913 | outerr: |
| 1914 | do { |
| 1915 | int saved_errno = errno; |
| 1916 | if (buf) |
| 1917 | free(buf); |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 1918 | if (fp) |
| 1919 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1920 | errno = saved_errno; |
| 1921 | return -1; |
| 1922 | } while (0); |
| 1923 | } |
| 1924 | |
| 1925 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 1926 | 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] | 1927 | { |
| 1928 | struct tcpstat s; |
| 1929 | char *loc, *rem, *data; |
| 1930 | char opt[256]; |
| 1931 | int n; |
| 1932 | char *p; |
| 1933 | |
| 1934 | if ((p = strchr(line, ':')) == NULL) |
| 1935 | return -1; |
| 1936 | loc = p+2; |
| 1937 | |
| 1938 | if ((p = strchr(loc, ':')) == NULL) |
| 1939 | return -1; |
| 1940 | p[5] = 0; |
| 1941 | rem = p+6; |
| 1942 | |
| 1943 | if ((p = strchr(rem, ':')) == NULL) |
| 1944 | return -1; |
| 1945 | p[5] = 0; |
| 1946 | data = p+6; |
| 1947 | |
| 1948 | do { |
| 1949 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); |
| 1950 | |
| 1951 | if (!(f->states & (1<<state))) |
| 1952 | return 0; |
| 1953 | } while (0); |
| 1954 | |
| 1955 | s.local.family = s.remote.family = family; |
| 1956 | if (family == AF_INET) { |
| 1957 | sscanf(loc, "%x:%x", s.local.data, (unsigned*)&s.lport); |
| 1958 | sscanf(rem, "%x:%x", s.remote.data, (unsigned*)&s.rport); |
| 1959 | s.local.bytelen = s.remote.bytelen = 4; |
| 1960 | } else { |
| 1961 | sscanf(loc, "%08x%08x%08x%08x:%x", |
| 1962 | s.local.data, |
| 1963 | s.local.data+1, |
| 1964 | s.local.data+2, |
| 1965 | s.local.data+3, |
| 1966 | &s.lport); |
| 1967 | sscanf(rem, "%08x%08x%08x%08x:%x", |
| 1968 | s.remote.data, |
| 1969 | s.remote.data+1, |
| 1970 | s.remote.data+2, |
| 1971 | s.remote.data+3, |
| 1972 | &s.rport); |
| 1973 | s.local.bytelen = s.remote.bytelen = 16; |
| 1974 | } |
| 1975 | |
| 1976 | if (f->f && run_ssfilter(f->f, &s) == 0) |
| 1977 | return 0; |
| 1978 | |
| 1979 | opt[0] = 0; |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 1980 | 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] | 1981 | &s.state, &s.wq, &s.rq, |
| 1982 | &s.uid, &s.ino, |
| 1983 | &s.refcnt, &s.sk, opt); |
| 1984 | |
| 1985 | if (n < 9) |
| 1986 | opt[0] = 0; |
| 1987 | |
| 1988 | if (netid_width) |
| 1989 | printf("%-*s ", netid_width, dg_proto); |
| 1990 | if (state_width) |
| 1991 | printf("%-*s ", state_width, sstate_name[s.state]); |
| 1992 | |
| 1993 | printf("%-6d %-6d ", s.rq, s.wq); |
| 1994 | |
| 1995 | formatted_print(&s.local, s.lport); |
| 1996 | formatted_print(&s.remote, s.rport); |
| 1997 | |
| 1998 | if (show_users) { |
| 1999 | char ubuf[4096]; |
| 2000 | if (find_users(s.ino, ubuf, sizeof(ubuf)) > 0) |
| 2001 | printf(" users:(%s)", ubuf); |
| 2002 | } |
| 2003 | |
| 2004 | if (show_details) { |
| 2005 | if (s.uid) |
| 2006 | printf(" uid=%u", (unsigned)s.uid); |
Stephen Hemminger | e7113c6 | 2007-07-10 18:26:54 -0700 | [diff] [blame] | 2007 | printf(" ino=%u", s.ino); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2008 | printf(" sk=%llx", s.sk); |
| 2009 | if (opt[0]) |
| 2010 | printf(" opt:\"%s\"", opt); |
| 2011 | } |
| 2012 | printf("\n"); |
| 2013 | |
| 2014 | return 0; |
| 2015 | } |
| 2016 | |
| 2017 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2018 | static int udp_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2019 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2020 | FILE *fp = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2021 | |
Pavel Emelyanov | 346f8ca | 2012-10-25 03:24:58 +0000 | [diff] [blame] | 2022 | if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT") |
| 2023 | && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0) |
| 2024 | return 0; |
| 2025 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2026 | dg_proto = UDP_PROTO; |
| 2027 | |
| 2028 | if (f->families&(1<<AF_INET)) { |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2029 | if ((fp = net_udp_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2030 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2031 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2032 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2033 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2034 | } |
| 2035 | |
| 2036 | if ((f->families&(1<<AF_INET6)) && |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2037 | (fp = net_udp6_open()) != NULL) { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2038 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2039 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2040 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2041 | } |
| 2042 | return 0; |
| 2043 | |
| 2044 | outerr: |
| 2045 | do { |
| 2046 | int saved_errno = errno; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2047 | if (fp) |
| 2048 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2049 | errno = saved_errno; |
| 2050 | return -1; |
| 2051 | } while (0); |
| 2052 | } |
| 2053 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2054 | static int raw_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2055 | { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2056 | FILE *fp = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2057 | |
| 2058 | dg_proto = RAW_PROTO; |
| 2059 | |
| 2060 | if (f->families&(1<<AF_INET)) { |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2061 | if ((fp = net_raw_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2062 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2063 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2064 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2065 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2066 | } |
| 2067 | |
| 2068 | if ((f->families&(1<<AF_INET6)) && |
Björn Steinbrink | 69cae64 | 2008-04-03 11:42:41 +0200 | [diff] [blame] | 2069 | (fp = net_raw6_open()) != NULL) { |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2070 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2071 | goto outerr; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2072 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2073 | } |
| 2074 | return 0; |
| 2075 | |
| 2076 | outerr: |
| 2077 | do { |
| 2078 | int saved_errno = errno; |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2079 | if (fp) |
| 2080 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2081 | errno = saved_errno; |
| 2082 | return -1; |
| 2083 | } while (0); |
| 2084 | } |
| 2085 | |
| 2086 | |
| 2087 | struct unixstat |
| 2088 | { |
| 2089 | struct unixstat *next; |
| 2090 | int ino; |
| 2091 | int peer; |
| 2092 | int rq; |
| 2093 | int wq; |
| 2094 | int state; |
| 2095 | int type; |
| 2096 | char *name; |
| 2097 | }; |
| 2098 | |
| 2099 | |
| 2100 | |
| 2101 | int unix_state_map[] = { SS_CLOSE, SS_SYN_SENT, |
| 2102 | SS_ESTABLISHED, SS_CLOSING }; |
| 2103 | |
| 2104 | |
| 2105 | #define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct unixstat)) |
| 2106 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2107 | static void unix_list_free(struct unixstat *list) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2108 | { |
| 2109 | while (list) { |
| 2110 | struct unixstat *s = list; |
| 2111 | list = list->next; |
| 2112 | if (s->name) |
| 2113 | free(s->name); |
| 2114 | free(s); |
| 2115 | } |
| 2116 | } |
| 2117 | |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 2118 | static const char *unix_netid_name(int type) |
| 2119 | { |
| 2120 | const char *netid; |
| 2121 | |
| 2122 | switch (type) { |
| 2123 | case SOCK_STREAM: |
| 2124 | netid = "u_str"; |
| 2125 | break; |
| 2126 | case SOCK_SEQPACKET: |
| 2127 | netid = "u_seq"; |
| 2128 | break; |
| 2129 | case SOCK_DGRAM: |
| 2130 | default: |
| 2131 | netid = "u_dgr"; |
| 2132 | break; |
| 2133 | } |
| 2134 | return netid; |
| 2135 | } |
| 2136 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2137 | static void unix_list_print(struct unixstat *list, struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2138 | { |
| 2139 | struct unixstat *s; |
| 2140 | char *peer; |
| 2141 | |
| 2142 | for (s = list; s; s = s->next) { |
| 2143 | if (!(f->states & (1<<s->state))) |
| 2144 | continue; |
| 2145 | if (s->type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB))) |
| 2146 | continue; |
| 2147 | if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB))) |
| 2148 | continue; |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 2149 | if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB))) |
| 2150 | continue; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2151 | |
| 2152 | peer = "*"; |
| 2153 | if (s->peer) { |
| 2154 | struct unixstat *p; |
| 2155 | for (p = list; p; p = p->next) { |
| 2156 | if (s->peer == p->ino) |
| 2157 | break; |
| 2158 | } |
| 2159 | if (!p) { |
| 2160 | peer = "?"; |
| 2161 | } else { |
| 2162 | peer = p->name ? : "*"; |
| 2163 | } |
| 2164 | } |
| 2165 | |
| 2166 | if (f->f) { |
| 2167 | struct tcpstat tst; |
| 2168 | tst.local.family = AF_UNIX; |
| 2169 | tst.remote.family = AF_UNIX; |
| 2170 | memcpy(tst.local.data, &s->name, sizeof(s->name)); |
| 2171 | if (strcmp(peer, "*") == 0) |
| 2172 | memset(tst.remote.data, 0, sizeof(peer)); |
| 2173 | else |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2174 | memcpy(tst.remote.data, &peer, sizeof(peer)); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2175 | if (run_ssfilter(f->f, &tst) == 0) |
| 2176 | continue; |
| 2177 | } |
| 2178 | |
| 2179 | if (netid_width) |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2180 | printf("%-*s ", netid_width, |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 2181 | unix_netid_name(s->type)); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2182 | if (state_width) |
| 2183 | printf("%-*s ", state_width, sstate_name[s->state]); |
| 2184 | printf("%-6d %-6d ", s->rq, s->wq); |
| 2185 | printf("%*s %-*d %*s %-*d", |
| 2186 | addr_width, s->name ? : "*", serv_width, s->ino, |
| 2187 | addr_width, peer, serv_width, s->peer); |
| 2188 | if (show_users) { |
| 2189 | char ubuf[4096]; |
| 2190 | if (find_users(s->ino, ubuf, sizeof(ubuf)) > 0) |
| 2191 | printf(" users:(%s)", ubuf); |
| 2192 | } |
| 2193 | printf("\n"); |
| 2194 | } |
| 2195 | } |
| 2196 | |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2197 | static int unix_show_sock(struct nlmsghdr *nlh, struct filter *f) |
| 2198 | { |
| 2199 | struct unix_diag_msg *r = NLMSG_DATA(nlh); |
| 2200 | struct rtattr *tb[UNIX_DIAG_MAX+1]; |
| 2201 | char name[128]; |
| 2202 | int peer_ino; |
Hannes Frederic Sowa | defd61c | 2013-02-22 15:28:10 +0000 | [diff] [blame] | 2203 | __u32 rqlen, wqlen; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2204 | |
| 2205 | parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr*)(r+1), |
| 2206 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
| 2207 | |
Masatake YAMATO | 0d2e01c | 2014-01-08 20:13:47 +0900 | [diff] [blame^] | 2208 | if (r->udiag_type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB))) |
| 2209 | return 0; |
| 2210 | if (r->udiag_type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB))) |
| 2211 | return 0; |
| 2212 | if (r->udiag_type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB))) |
| 2213 | return 0; |
| 2214 | |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2215 | if (netid_width) |
| 2216 | printf("%-*s ", netid_width, |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 2217 | unix_netid_name(r->udiag_type)); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2218 | if (state_width) |
| 2219 | printf("%-*s ", state_width, sstate_name[r->udiag_state]); |
| 2220 | |
Hannes Frederic Sowa | defd61c | 2013-02-22 15:28:10 +0000 | [diff] [blame] | 2221 | if (tb[UNIX_DIAG_RQLEN]) { |
| 2222 | struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]); |
| 2223 | rqlen = rql->udiag_rqueue; |
| 2224 | wqlen = rql->udiag_wqueue; |
| 2225 | } else { |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2226 | rqlen = 0; |
Hannes Frederic Sowa | defd61c | 2013-02-22 15:28:10 +0000 | [diff] [blame] | 2227 | wqlen = 0; |
| 2228 | } |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2229 | |
Hannes Frederic Sowa | defd61c | 2013-02-22 15:28:10 +0000 | [diff] [blame] | 2230 | printf("%-6u %-6u ", rqlen, wqlen); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2231 | |
| 2232 | if (tb[UNIX_DIAG_NAME]) { |
| 2233 | int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]); |
| 2234 | |
| 2235 | memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len); |
| 2236 | name[len] = '\0'; |
| 2237 | if (name[0] == '\0') |
| 2238 | name[0] = '@'; |
| 2239 | } else |
| 2240 | sprintf(name, "*"); |
| 2241 | |
| 2242 | if (tb[UNIX_DIAG_PEER]) |
Stephen Hemminger | 5048f9a | 2013-02-26 17:32:58 -0800 | [diff] [blame] | 2243 | peer_ino = rta_getattr_u32(tb[UNIX_DIAG_PEER]); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2244 | else |
| 2245 | peer_ino = 0; |
| 2246 | |
| 2247 | printf("%*s %-*d %*s %-*d", |
| 2248 | addr_width, name, |
| 2249 | serv_width, r->udiag_ino, |
| 2250 | addr_width, "*", /* FIXME */ |
| 2251 | serv_width, peer_ino); |
| 2252 | |
| 2253 | if (show_users) { |
| 2254 | char ubuf[4096]; |
| 2255 | if (find_users(r->udiag_ino, ubuf, sizeof(ubuf)) > 0) |
| 2256 | printf(" users:(%s)", ubuf); |
| 2257 | } |
| 2258 | |
Hannes Frederic Sowa | 51ff9f2 | 2013-02-22 15:28:18 +0000 | [diff] [blame] | 2259 | if (show_mem) { |
| 2260 | printf("\n\t"); |
| 2261 | print_skmeminfo(tb, UNIX_DIAG_MEMINFO); |
| 2262 | } |
| 2263 | |
Pavel Emelyanov | 5b81604 | 2013-05-17 08:02:14 -0700 | [diff] [blame] | 2264 | if (show_details) { |
| 2265 | if (tb[UNIX_DIAG_SHUTDOWN]) { |
| 2266 | unsigned char mask; |
| 2267 | mask = *(__u8 *)RTA_DATA(tb[UNIX_DIAG_SHUTDOWN]); |
| 2268 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); |
| 2269 | } |
| 2270 | } |
| 2271 | |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2272 | printf("\n"); |
| 2273 | |
| 2274 | return 0; |
| 2275 | } |
| 2276 | |
Andrey Vagin | d8402b9 | 2013-06-05 12:41:58 +0400 | [diff] [blame] | 2277 | static int handle_netlink_request(struct filter *f, FILE *dump_fp, |
| 2278 | struct nlmsghdr *req, size_t size, |
| 2279 | int (* show_one_sock)(struct nlmsghdr *nlh, struct filter *f)) |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2280 | { |
| 2281 | int fd; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2282 | char buf[8192]; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2283 | |
| 2284 | if ((fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_INET_DIAG)) < 0) |
| 2285 | return -1; |
| 2286 | |
Andrey Vagin | d8402b9 | 2013-06-05 12:41:58 +0400 | [diff] [blame] | 2287 | if (send(fd, req, size, 0) < 0) { |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 2288 | close(fd); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2289 | return -1; |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 2290 | } |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2291 | |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2292 | while (1) { |
Stephen Hemminger | 2728f59 | 2012-02-16 16:42:42 -0800 | [diff] [blame] | 2293 | ssize_t status; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2294 | struct nlmsghdr *h; |
Stephen Hemminger | 2728f59 | 2012-02-16 16:42:42 -0800 | [diff] [blame] | 2295 | struct sockaddr_nl nladdr; |
| 2296 | socklen_t slen = sizeof(nladdr); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2297 | |
Stephen Hemminger | 2728f59 | 2012-02-16 16:42:42 -0800 | [diff] [blame] | 2298 | status = recvfrom(fd, buf, sizeof(buf), 0, |
| 2299 | (struct sockaddr *) &nladdr, &slen); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2300 | if (status < 0) { |
| 2301 | if (errno == EINTR) |
| 2302 | continue; |
| 2303 | perror("OVERRUN"); |
| 2304 | continue; |
| 2305 | } |
| 2306 | if (status == 0) { |
| 2307 | fprintf(stderr, "EOF on netlink\n"); |
Stephen Hemminger | 2728f59 | 2012-02-16 16:42:42 -0800 | [diff] [blame] | 2308 | goto close_it; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2309 | } |
| 2310 | |
| 2311 | if (dump_fp) |
| 2312 | fwrite(buf, 1, NLMSG_ALIGN(status), dump_fp); |
| 2313 | |
| 2314 | h = (struct nlmsghdr*)buf; |
| 2315 | while (NLMSG_OK(h, status)) { |
| 2316 | int err; |
| 2317 | |
| 2318 | if (/*h->nlmsg_pid != rth->local.nl_pid ||*/ |
| 2319 | h->nlmsg_seq != 123456) |
| 2320 | goto skip_it; |
| 2321 | |
Stephen Hemminger | 2728f59 | 2012-02-16 16:42:42 -0800 | [diff] [blame] | 2322 | if (h->nlmsg_type == NLMSG_DONE) |
| 2323 | goto close_it; |
| 2324 | |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2325 | if (h->nlmsg_type == NLMSG_ERROR) { |
| 2326 | struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h); |
| 2327 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
| 2328 | fprintf(stderr, "ERROR truncated\n"); |
| 2329 | } else { |
| 2330 | errno = -err->error; |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 2331 | if (errno != ENOENT) |
Andrey Vagin | d8402b9 | 2013-06-05 12:41:58 +0400 | [diff] [blame] | 2332 | fprintf(stderr, "DIAG answers %d\n", errno); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2333 | } |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 2334 | close(fd); |
| 2335 | return -1; |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2336 | } |
| 2337 | if (!dump_fp) { |
Andrey Vagin | d8402b9 | 2013-06-05 12:41:58 +0400 | [diff] [blame] | 2338 | err = show_one_sock(h, f); |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 2339 | if (err < 0) { |
| 2340 | close(fd); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2341 | return err; |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 2342 | } |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2343 | } |
| 2344 | |
| 2345 | skip_it: |
| 2346 | h = NLMSG_NEXT(h, status); |
| 2347 | } |
Stephen Hemminger | 2728f59 | 2012-02-16 16:42:42 -0800 | [diff] [blame] | 2348 | |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2349 | if (status) { |
Stephen Hemminger | 2728f59 | 2012-02-16 16:42:42 -0800 | [diff] [blame] | 2350 | fprintf(stderr, "!!!Remnant of size %zd\n", status); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2351 | exit(1); |
| 2352 | } |
| 2353 | } |
Stephen Hemminger | 2728f59 | 2012-02-16 16:42:42 -0800 | [diff] [blame] | 2354 | |
| 2355 | close_it: |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 2356 | close(fd); |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2357 | return 0; |
| 2358 | } |
| 2359 | |
Andrey Vagin | d8402b9 | 2013-06-05 12:41:58 +0400 | [diff] [blame] | 2360 | static int unix_show_netlink(struct filter *f, FILE *dump_fp) |
| 2361 | { |
| 2362 | struct { |
| 2363 | struct nlmsghdr nlh; |
| 2364 | struct unix_diag_req r; |
| 2365 | } req; |
| 2366 | |
| 2367 | memset(&req, 0, sizeof(req)); |
| 2368 | req.nlh.nlmsg_len = sizeof(req); |
| 2369 | req.nlh.nlmsg_type = SOCK_DIAG_BY_FAMILY; |
| 2370 | req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST; |
| 2371 | req.nlh.nlmsg_seq = 123456; |
| 2372 | |
| 2373 | req.r.sdiag_family = AF_UNIX; |
| 2374 | req.r.udiag_states = f->states; |
| 2375 | req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN; |
| 2376 | if (show_mem) |
| 2377 | req.r.udiag_show |= UDIAG_SHOW_MEMINFO; |
| 2378 | |
| 2379 | return handle_netlink_request(f, dump_fp, &req.nlh, |
| 2380 | sizeof(req), unix_show_sock); |
| 2381 | } |
| 2382 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2383 | static int unix_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2384 | { |
| 2385 | FILE *fp; |
| 2386 | char buf[256]; |
| 2387 | char name[128]; |
| 2388 | int newformat = 0; |
| 2389 | int cnt; |
| 2390 | struct unixstat *list = NULL; |
| 2391 | |
Pavel Emelyanov | dfbaa90 | 2011-12-15 03:28:15 +0000 | [diff] [blame] | 2392 | if (!getenv("PROC_NET_UNIX") && !getenv("PROC_ROOT") |
| 2393 | && unix_show_netlink(f, NULL) == 0) |
| 2394 | return 0; |
| 2395 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2396 | if ((fp = net_unix_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2397 | return -1; |
| 2398 | fgets(buf, sizeof(buf)-1, fp); |
| 2399 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2400 | if (memcmp(buf, "Peer", 4) == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2401 | newformat = 1; |
| 2402 | cnt = 0; |
| 2403 | |
| 2404 | while (fgets(buf, sizeof(buf)-1, fp)) { |
| 2405 | struct unixstat *u, **insp; |
| 2406 | int flags; |
| 2407 | |
| 2408 | if (!(u = malloc(sizeof(*u)))) |
| 2409 | break; |
| 2410 | u->name = NULL; |
| 2411 | |
| 2412 | if (sscanf(buf, "%x: %x %x %x %x %x %d %s", |
| 2413 | &u->peer, &u->rq, &u->wq, &flags, &u->type, |
| 2414 | &u->state, &u->ino, name) < 8) |
| 2415 | name[0] = 0; |
| 2416 | |
| 2417 | if (flags&(1<<16)) { |
| 2418 | u->state = SS_LISTEN; |
| 2419 | } else { |
| 2420 | u->state = unix_state_map[u->state-1]; |
| 2421 | if (u->type == SOCK_DGRAM && |
| 2422 | u->state == SS_CLOSE && |
| 2423 | u->peer) |
| 2424 | u->state = SS_ESTABLISHED; |
| 2425 | } |
| 2426 | |
| 2427 | if (!newformat) { |
| 2428 | u->peer = 0; |
| 2429 | u->rq = 0; |
| 2430 | u->wq = 0; |
| 2431 | } |
| 2432 | |
| 2433 | insp = &list; |
| 2434 | while (*insp) { |
| 2435 | if (u->type < (*insp)->type || |
| 2436 | (u->type == (*insp)->type && |
| 2437 | u->ino < (*insp)->ino)) |
| 2438 | break; |
| 2439 | insp = &(*insp)->next; |
| 2440 | } |
| 2441 | u->next = *insp; |
| 2442 | *insp = u; |
| 2443 | |
| 2444 | if (name[0]) { |
| 2445 | if ((u->name = malloc(strlen(name)+1)) == NULL) |
| 2446 | break; |
| 2447 | strcpy(u->name, name); |
| 2448 | } |
| 2449 | if (++cnt > MAX_UNIX_REMEMBER) { |
| 2450 | unix_list_print(list, f); |
| 2451 | unix_list_free(list); |
| 2452 | list = NULL; |
| 2453 | cnt = 0; |
| 2454 | } |
| 2455 | } |
Eric Dumazet | a3fd8e5 | 2012-01-30 17:05:45 +0100 | [diff] [blame] | 2456 | fclose(fp); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2457 | if (list) { |
| 2458 | unix_list_print(list, f); |
| 2459 | unix_list_free(list); |
| 2460 | list = NULL; |
| 2461 | cnt = 0; |
| 2462 | } |
| 2463 | |
| 2464 | return 0; |
| 2465 | } |
| 2466 | |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 2467 | static int packet_show_sock(struct nlmsghdr *nlh, struct filter *f) |
| 2468 | { |
| 2469 | struct packet_diag_msg *r = NLMSG_DATA(nlh); |
| 2470 | struct rtattr *tb[PACKET_DIAG_MAX+1]; |
| 2471 | __u32 rq; |
| 2472 | |
| 2473 | parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr*)(r+1), |
| 2474 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
| 2475 | |
| 2476 | /* use /proc/net/packet if all info are not available */ |
| 2477 | if (!tb[PACKET_DIAG_MEMINFO]) |
| 2478 | return -1; |
| 2479 | |
| 2480 | if (netid_width) |
| 2481 | printf("%-*s ", netid_width, |
| 2482 | r->pdiag_type == SOCK_RAW ? "p_raw" : "p_dgr"); |
| 2483 | if (state_width) |
| 2484 | printf("%-*s ", state_width, "UNCONN"); |
| 2485 | |
| 2486 | if (tb[PACKET_DIAG_MEMINFO]) { |
| 2487 | __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]); |
| 2488 | |
| 2489 | rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; |
| 2490 | } else |
| 2491 | rq = 0; |
| 2492 | printf("%-6d %-6d ", rq, 0); |
| 2493 | |
| 2494 | if (r->pdiag_num == 3) { |
| 2495 | printf("%*s:", addr_width, "*"); |
| 2496 | } else { |
| 2497 | char tb2[16]; |
| 2498 | printf("%*s:", addr_width, |
| 2499 | ll_proto_n2a(htons(r->pdiag_num), tb2, sizeof(tb2))); |
| 2500 | } |
| 2501 | if (tb[PACKET_DIAG_INFO]) { |
| 2502 | struct packet_diag_info *pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]); |
| 2503 | |
| 2504 | if (pinfo->pdi_index == 0) |
| 2505 | printf("%-*s ", serv_width, "*"); |
| 2506 | else |
| 2507 | printf("%-*s ", serv_width, xll_index_to_name(pinfo->pdi_index)); |
| 2508 | } else |
| 2509 | printf("%-*s ", serv_width, "*"); |
| 2510 | |
| 2511 | printf("%*s*%-*s", |
| 2512 | addr_width, "", serv_width, ""); |
| 2513 | |
| 2514 | if (show_users) { |
| 2515 | char ubuf[4096]; |
| 2516 | if (find_users(r->pdiag_ino, ubuf, sizeof(ubuf)) > 0) |
| 2517 | printf(" users:(%s)", ubuf); |
| 2518 | } |
| 2519 | if (show_details) { |
| 2520 | __u32 uid = 0; |
| 2521 | |
| 2522 | if (tb[PACKET_DIAG_UID]) |
| 2523 | uid = *(__u32 *)RTA_DATA(tb[PACKET_DIAG_UID]); |
| 2524 | |
| 2525 | printf(" ino=%u uid=%u sk=", r->pdiag_ino, uid); |
| 2526 | if (r->pdiag_cookie[1] != 0) |
| 2527 | printf("%08x", r->pdiag_cookie[1]); |
| 2528 | printf("%08x", r->pdiag_cookie[0]); |
| 2529 | } |
| 2530 | |
| 2531 | if (show_bpf && tb[PACKET_DIAG_FILTER]) { |
| 2532 | struct sock_filter *fil = |
| 2533 | RTA_DATA(tb[PACKET_DIAG_FILTER]); |
| 2534 | int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) / |
| 2535 | sizeof(struct sock_filter); |
| 2536 | |
| 2537 | printf("\n\tbpf filter (%d): ", num); |
| 2538 | while (num) { |
| 2539 | printf(" 0x%02x %u %u %u,", |
| 2540 | fil->code, fil->jt, fil->jf, fil->k); |
| 2541 | num--; |
| 2542 | fil++; |
| 2543 | } |
| 2544 | } |
| 2545 | printf("\n"); |
| 2546 | return 0; |
| 2547 | } |
| 2548 | |
| 2549 | static int packet_show_netlink(struct filter *f, FILE *dump_fp) |
| 2550 | { |
| 2551 | int fd; |
| 2552 | struct { |
| 2553 | struct nlmsghdr nlh; |
| 2554 | struct packet_diag_req r; |
| 2555 | } req; |
| 2556 | char buf[8192]; |
| 2557 | |
| 2558 | if ((fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_INET_DIAG)) < 0) |
| 2559 | return -1; |
| 2560 | |
| 2561 | memset(&req, 0, sizeof(req)); |
| 2562 | req.nlh.nlmsg_len = sizeof(req); |
| 2563 | req.nlh.nlmsg_type = SOCK_DIAG_BY_FAMILY; |
| 2564 | req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST; |
| 2565 | req.nlh.nlmsg_seq = 123456; |
| 2566 | |
| 2567 | req.r.sdiag_family = AF_PACKET; |
| 2568 | req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO | PACKET_SHOW_FILTER; |
| 2569 | |
| 2570 | if (send(fd, &req, sizeof(req), 0) < 0) { |
| 2571 | close(fd); |
| 2572 | return -1; |
| 2573 | } |
| 2574 | |
| 2575 | while (1) { |
| 2576 | ssize_t status; |
| 2577 | struct nlmsghdr *h; |
| 2578 | struct sockaddr_nl nladdr; |
| 2579 | socklen_t slen = sizeof(nladdr); |
| 2580 | |
| 2581 | status = recvfrom(fd, buf, sizeof(buf), 0, |
| 2582 | (struct sockaddr *) &nladdr, &slen); |
| 2583 | if (status < 0) { |
| 2584 | if (errno == EINTR) |
| 2585 | continue; |
| 2586 | perror("OVERRUN"); |
| 2587 | continue; |
| 2588 | } |
| 2589 | if (status == 0) { |
| 2590 | fprintf(stderr, "EOF on netlink\n"); |
| 2591 | goto close_it; |
| 2592 | } |
| 2593 | |
| 2594 | if (dump_fp) |
| 2595 | fwrite(buf, 1, NLMSG_ALIGN(status), dump_fp); |
| 2596 | |
| 2597 | h = (struct nlmsghdr*)buf; |
| 2598 | while (NLMSG_OK(h, status)) { |
| 2599 | int err; |
| 2600 | |
| 2601 | if (h->nlmsg_seq != 123456) |
| 2602 | goto skip_it; |
| 2603 | |
| 2604 | if (h->nlmsg_type == NLMSG_DONE) |
| 2605 | goto close_it; |
| 2606 | |
| 2607 | if (h->nlmsg_type == NLMSG_ERROR) { |
| 2608 | struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h); |
| 2609 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
| 2610 | fprintf(stderr, "ERROR truncated\n"); |
| 2611 | } else { |
| 2612 | errno = -err->error; |
| 2613 | if (errno != ENOENT) |
| 2614 | fprintf(stderr, "UDIAG answers %d\n", errno); |
| 2615 | } |
| 2616 | close(fd); |
| 2617 | return -1; |
| 2618 | } |
| 2619 | if (!dump_fp) { |
| 2620 | err = packet_show_sock(h, f); |
| 2621 | if (err < 0) { |
| 2622 | close(fd); |
| 2623 | return err; |
| 2624 | } |
| 2625 | } |
| 2626 | |
| 2627 | skip_it: |
| 2628 | h = NLMSG_NEXT(h, status); |
| 2629 | } |
| 2630 | |
| 2631 | if (status) { |
| 2632 | fprintf(stderr, "!!!Remnant of size %zd\n", status); |
| 2633 | exit(1); |
| 2634 | } |
| 2635 | } |
| 2636 | |
| 2637 | close_it: |
| 2638 | close(fd); |
| 2639 | return 0; |
| 2640 | } |
| 2641 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2642 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2643 | static int packet_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2644 | { |
| 2645 | FILE *fp; |
| 2646 | char buf[256]; |
| 2647 | int type; |
| 2648 | int prot; |
| 2649 | int iface; |
| 2650 | int state; |
| 2651 | int rq; |
| 2652 | int uid; |
| 2653 | int ino; |
| 2654 | unsigned long long sk; |
| 2655 | |
| 2656 | if (!(f->states & (1<<SS_CLOSE))) |
| 2657 | return 0; |
| 2658 | |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 2659 | if (packet_show_netlink(f, NULL) == 0) |
| 2660 | return 0; |
| 2661 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2662 | if ((fp = net_packet_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2663 | return -1; |
| 2664 | fgets(buf, sizeof(buf)-1, fp); |
| 2665 | |
| 2666 | while (fgets(buf, sizeof(buf)-1, fp)) { |
| 2667 | sscanf(buf, "%llx %*d %d %x %d %d %u %u %u", |
| 2668 | &sk, |
| 2669 | &type, &prot, &iface, &state, |
| 2670 | &rq, &uid, &ino); |
| 2671 | |
| 2672 | if (type == SOCK_RAW && !(f->dbs&(1<<PACKET_R_DB))) |
| 2673 | continue; |
| 2674 | if (type == SOCK_DGRAM && !(f->dbs&(1<<PACKET_DG_DB))) |
| 2675 | continue; |
| 2676 | if (f->f) { |
| 2677 | struct tcpstat tst; |
| 2678 | tst.local.family = AF_PACKET; |
| 2679 | tst.remote.family = AF_PACKET; |
| 2680 | tst.rport = 0; |
| 2681 | tst.lport = iface; |
| 2682 | tst.local.data[0] = prot; |
| 2683 | tst.remote.data[0] = 0; |
| 2684 | if (run_ssfilter(f->f, &tst) == 0) |
| 2685 | continue; |
| 2686 | } |
| 2687 | |
| 2688 | if (netid_width) |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2689 | printf("%-*s ", netid_width, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2690 | type == SOCK_RAW ? "p_raw" : "p_dgr"); |
| 2691 | if (state_width) |
| 2692 | printf("%-*s ", state_width, "UNCONN"); |
| 2693 | printf("%-6d %-6d ", rq, 0); |
| 2694 | if (prot == 3) { |
| 2695 | printf("%*s:", addr_width, "*"); |
| 2696 | } else { |
| 2697 | char tb[16]; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 2698 | printf("%*s:", addr_width, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2699 | ll_proto_n2a(htons(prot), tb, sizeof(tb))); |
| 2700 | } |
| 2701 | if (iface == 0) { |
| 2702 | printf("%-*s ", serv_width, "*"); |
| 2703 | } else { |
| 2704 | printf("%-*s ", serv_width, xll_index_to_name(iface)); |
| 2705 | } |
| 2706 | printf("%*s*%-*s", |
| 2707 | addr_width, "", serv_width, ""); |
| 2708 | |
| 2709 | if (show_users) { |
| 2710 | char ubuf[4096]; |
| 2711 | if (find_users(ino, ubuf, sizeof(ubuf)) > 0) |
| 2712 | printf(" users:(%s)", ubuf); |
| 2713 | } |
| 2714 | if (show_details) { |
| 2715 | printf(" ino=%u uid=%u sk=%llx", ino, uid, sk); |
| 2716 | } |
| 2717 | printf("\n"); |
| 2718 | } |
| 2719 | |
| 2720 | return 0; |
| 2721 | } |
| 2722 | |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 2723 | static void netlink_show_one(struct filter *f, |
| 2724 | int prot, int pid, unsigned groups, |
Andrey Vagin | f271fe0 | 2013-06-05 12:42:00 +0400 | [diff] [blame] | 2725 | int state, int dst_pid, unsigned dst_group, |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 2726 | int rq, int wq, |
| 2727 | unsigned long long sk, unsigned long long cb) |
| 2728 | { |
| 2729 | if (f->f) { |
| 2730 | struct tcpstat tst; |
| 2731 | tst.local.family = AF_NETLINK; |
| 2732 | tst.remote.family = AF_NETLINK; |
| 2733 | tst.rport = -1; |
| 2734 | tst.lport = pid; |
| 2735 | tst.local.data[0] = prot; |
| 2736 | tst.remote.data[0] = 0; |
| 2737 | if (run_ssfilter(f->f, &tst) == 0) |
| 2738 | return; |
| 2739 | } |
| 2740 | |
| 2741 | if (netid_width) |
| 2742 | printf("%-*s ", netid_width, "nl"); |
| 2743 | if (state_width) |
| 2744 | printf("%-*s ", state_width, "UNCONN"); |
| 2745 | printf("%-6d %-6d ", rq, wq); |
| 2746 | if (resolve_services && prot == 0) |
| 2747 | printf("%*s:", addr_width, "rtnl"); |
| 2748 | else if (resolve_services && prot == 3) |
| 2749 | printf("%*s:", addr_width, "fw"); |
| 2750 | else if (resolve_services && prot == 4) |
| 2751 | printf("%*s:", addr_width, "tcpdiag"); |
| 2752 | else |
| 2753 | printf("%*d:", addr_width, prot); |
| 2754 | if (pid == -1) { |
| 2755 | printf("%-*s ", serv_width, "*"); |
| 2756 | } else if (resolve_services) { |
| 2757 | int done = 0; |
| 2758 | if (!pid) { |
| 2759 | done = 1; |
| 2760 | printf("%-*s ", serv_width, "kernel"); |
| 2761 | } else if (pid > 0) { |
| 2762 | char procname[64]; |
| 2763 | FILE *fp; |
| 2764 | sprintf(procname, "%s/%d/stat", |
| 2765 | getenv("PROC_ROOT") ? : "/proc", pid); |
| 2766 | if ((fp = fopen(procname, "r")) != NULL) { |
| 2767 | if (fscanf(fp, "%*d (%[^)])", procname) == 1) { |
| 2768 | sprintf(procname+strlen(procname), "/%d", pid); |
| 2769 | printf("%-*s ", serv_width, procname); |
| 2770 | done = 1; |
| 2771 | } |
| 2772 | fclose(fp); |
| 2773 | } |
| 2774 | } |
| 2775 | if (!done) |
| 2776 | printf("%-*d ", serv_width, pid); |
| 2777 | } else { |
| 2778 | printf("%-*d ", serv_width, pid); |
| 2779 | } |
Andrey Vagin | f271fe0 | 2013-06-05 12:42:00 +0400 | [diff] [blame] | 2780 | |
| 2781 | if (state == NETLINK_CONNECTED) { |
| 2782 | printf("%*d:%-*d", |
| 2783 | addr_width, dst_group, serv_width, dst_pid); |
| 2784 | } else { |
| 2785 | printf("%*s*%-*s", |
| 2786 | addr_width, "", serv_width, ""); |
| 2787 | } |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 2788 | |
| 2789 | if (show_details) { |
| 2790 | printf(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups); |
| 2791 | } |
| 2792 | printf("\n"); |
| 2793 | |
| 2794 | return; |
| 2795 | } |
| 2796 | |
Andrey Vagin | ecb928c | 2013-06-05 12:42:01 +0400 | [diff] [blame] | 2797 | static int netlink_show_sock(struct nlmsghdr *nlh, struct filter *f) |
| 2798 | { |
| 2799 | struct netlink_diag_msg *r = NLMSG_DATA(nlh); |
| 2800 | struct rtattr *tb[NETLINK_DIAG_MAX+1]; |
| 2801 | int rq = 0, wq = 0; |
| 2802 | unsigned long groups = 0; |
| 2803 | |
| 2804 | parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr*)(r+1), |
| 2805 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
| 2806 | |
| 2807 | if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS])) |
| 2808 | groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]); |
| 2809 | |
| 2810 | if (tb[NETLINK_DIAG_MEMINFO]) { |
| 2811 | const __u32 *skmeminfo; |
| 2812 | skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]); |
| 2813 | |
| 2814 | rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; |
| 2815 | wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC]; |
| 2816 | } |
| 2817 | |
| 2818 | netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups, |
| 2819 | r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group, |
| 2820 | rq, wq, 0, 0); |
| 2821 | |
| 2822 | if (show_mem) { |
| 2823 | printf("\t"); |
| 2824 | print_skmeminfo(tb, NETLINK_DIAG_MEMINFO); |
| 2825 | printf("\n"); |
| 2826 | } |
| 2827 | |
| 2828 | return 0; |
| 2829 | } |
| 2830 | |
| 2831 | static int netlink_show_netlink(struct filter *f, FILE *dump_fp) |
| 2832 | { |
| 2833 | struct { |
| 2834 | struct nlmsghdr nlh; |
| 2835 | struct netlink_diag_req r; |
| 2836 | } req; |
| 2837 | |
| 2838 | memset(&req, 0, sizeof(req)); |
| 2839 | req.nlh.nlmsg_len = sizeof(req); |
| 2840 | req.nlh.nlmsg_type = SOCK_DIAG_BY_FAMILY; |
| 2841 | req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST; |
| 2842 | req.nlh.nlmsg_seq = 123456; |
| 2843 | |
| 2844 | req.r.sdiag_family = AF_NETLINK; |
| 2845 | req.r.sdiag_protocol = NDIAG_PROTO_ALL; |
| 2846 | req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO; |
| 2847 | |
| 2848 | return handle_netlink_request(f, dump_fp, &req.nlh, |
| 2849 | sizeof(req), netlink_show_sock); |
| 2850 | } |
| 2851 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2852 | static int netlink_show(struct filter *f) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2853 | { |
| 2854 | FILE *fp; |
| 2855 | char buf[256]; |
| 2856 | int prot, pid; |
| 2857 | unsigned groups; |
| 2858 | int rq, wq, rc; |
| 2859 | unsigned long long sk, cb; |
| 2860 | |
| 2861 | if (!(f->states & (1<<SS_CLOSE))) |
| 2862 | return 0; |
| 2863 | |
Andrey Vagin | 129709a | 2013-06-05 12:41:59 +0400 | [diff] [blame] | 2864 | if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") && |
| 2865 | netlink_show_netlink(f, NULL) == 0) |
| 2866 | return 0; |
| 2867 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2868 | if ((fp = net_netlink_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2869 | return -1; |
| 2870 | fgets(buf, sizeof(buf)-1, fp); |
| 2871 | |
| 2872 | while (fgets(buf, sizeof(buf)-1, fp)) { |
| 2873 | sscanf(buf, "%llx %d %d %x %d %d %llx %d", |
| 2874 | &sk, |
| 2875 | &prot, &pid, &groups, &rq, &wq, &cb, &rc); |
| 2876 | |
Andrey Vagin | f271fe0 | 2013-06-05 12:42:00 +0400 | [diff] [blame] | 2877 | 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] | 2878 | } |
| 2879 | |
| 2880 | return 0; |
| 2881 | } |
| 2882 | |
| 2883 | struct snmpstat |
| 2884 | { |
| 2885 | int tcp_estab; |
| 2886 | }; |
| 2887 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2888 | static int get_snmp_int(char *proto, char *key, int *result) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2889 | { |
| 2890 | char buf[1024]; |
| 2891 | FILE *fp; |
| 2892 | int protolen = strlen(proto); |
| 2893 | int keylen = strlen(key); |
| 2894 | |
| 2895 | *result = 0; |
| 2896 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2897 | if ((fp = net_snmp_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2898 | return -1; |
| 2899 | |
| 2900 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
| 2901 | char *p = buf; |
| 2902 | int pos = 0; |
| 2903 | if (memcmp(buf, proto, protolen)) |
| 2904 | continue; |
| 2905 | while ((p = strchr(p, ' ')) != NULL) { |
| 2906 | pos++; |
| 2907 | p++; |
| 2908 | if (memcmp(p, key, keylen) == 0 && |
| 2909 | (p[keylen] == ' ' || p[keylen] == '\n')) |
| 2910 | break; |
| 2911 | } |
| 2912 | if (fgets(buf, sizeof(buf), fp) == NULL) |
| 2913 | break; |
| 2914 | if (memcmp(buf, proto, protolen)) |
| 2915 | break; |
| 2916 | p = buf; |
| 2917 | while ((p = strchr(p, ' ')) != NULL) { |
| 2918 | p++; |
| 2919 | if (--pos == 0) { |
| 2920 | sscanf(p, "%d", result); |
| 2921 | fclose(fp); |
| 2922 | return 0; |
| 2923 | } |
| 2924 | } |
| 2925 | } |
| 2926 | |
| 2927 | fclose(fp); |
| 2928 | errno = ESRCH; |
| 2929 | return -1; |
| 2930 | } |
| 2931 | |
| 2932 | |
| 2933 | /* Get stats from sockstat */ |
| 2934 | |
| 2935 | struct sockstat |
| 2936 | { |
| 2937 | int socks; |
| 2938 | int tcp_mem; |
| 2939 | int tcp_total; |
| 2940 | int tcp_orphans; |
| 2941 | int tcp_tws; |
| 2942 | int tcp4_hashed; |
| 2943 | int udp4; |
| 2944 | int raw4; |
| 2945 | int frag4; |
| 2946 | int frag4_mem; |
| 2947 | int tcp6_hashed; |
| 2948 | int udp6; |
| 2949 | int raw6; |
| 2950 | int frag6; |
| 2951 | int frag6_mem; |
| 2952 | }; |
| 2953 | |
| 2954 | static void get_sockstat_line(char *line, struct sockstat *s) |
| 2955 | { |
| 2956 | char id[256], rem[256]; |
| 2957 | |
| 2958 | if (sscanf(line, "%[^ ] %[^\n]\n", id, rem) != 2) |
| 2959 | return; |
| 2960 | |
| 2961 | if (strcmp(id, "sockets:") == 0) |
| 2962 | sscanf(rem, "%*s%d", &s->socks); |
| 2963 | else if (strcmp(id, "UDP:") == 0) |
| 2964 | sscanf(rem, "%*s%d", &s->udp4); |
| 2965 | else if (strcmp(id, "UDP6:") == 0) |
| 2966 | sscanf(rem, "%*s%d", &s->udp6); |
| 2967 | else if (strcmp(id, "RAW:") == 0) |
| 2968 | sscanf(rem, "%*s%d", &s->raw4); |
| 2969 | else if (strcmp(id, "RAW6:") == 0) |
| 2970 | sscanf(rem, "%*s%d", &s->raw6); |
| 2971 | else if (strcmp(id, "TCP6:") == 0) |
| 2972 | sscanf(rem, "%*s%d", &s->tcp6_hashed); |
| 2973 | else if (strcmp(id, "FRAG:") == 0) |
| 2974 | sscanf(rem, "%*s%d%*s%d", &s->frag4, &s->frag4_mem); |
| 2975 | else if (strcmp(id, "FRAG6:") == 0) |
| 2976 | sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem); |
| 2977 | else if (strcmp(id, "TCP:") == 0) |
| 2978 | sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d", |
| 2979 | &s->tcp4_hashed, |
| 2980 | &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem); |
| 2981 | } |
| 2982 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 2983 | static int get_sockstat(struct sockstat *s) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2984 | { |
| 2985 | char buf[256]; |
| 2986 | FILE *fp; |
| 2987 | |
| 2988 | memset(s, 0, sizeof(*s)); |
| 2989 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2990 | if ((fp = net_sockstat_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2991 | return -1; |
| 2992 | while(fgets(buf, sizeof(buf), fp) != NULL) |
| 2993 | get_sockstat_line(buf, s); |
| 2994 | fclose(fp); |
| 2995 | |
Stephen Hemminger | ab01dbb | 2007-07-18 15:31:29 +0100 | [diff] [blame] | 2996 | if ((fp = net_sockstat6_open()) == NULL) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 2997 | return 0; |
| 2998 | while(fgets(buf, sizeof(buf), fp) != NULL) |
| 2999 | get_sockstat_line(buf, s); |
| 3000 | fclose(fp); |
| 3001 | |
| 3002 | return 0; |
| 3003 | } |
| 3004 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 3005 | static int print_summary(void) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3006 | { |
| 3007 | struct sockstat s; |
| 3008 | struct snmpstat sn; |
| 3009 | |
| 3010 | if (get_sockstat(&s) < 0) |
| 3011 | perror("ss: get_sockstat"); |
| 3012 | if (get_snmp_int("Tcp:", "CurrEstab", &sn.tcp_estab) < 0) |
| 3013 | perror("ss: get_snmpstat"); |
| 3014 | |
| 3015 | printf("Total: %d (kernel %d)\n", s.socks, slabstat.socks); |
| 3016 | |
| 3017 | printf("TCP: %d (estab %d, closed %d, orphaned %d, synrecv %d, timewait %d/%d), ports %d\n", |
| 3018 | s.tcp_total + slabstat.tcp_syns + s.tcp_tws, |
| 3019 | sn.tcp_estab, |
| 3020 | s.tcp_total - (s.tcp4_hashed+s.tcp6_hashed-s.tcp_tws), |
| 3021 | s.tcp_orphans, |
| 3022 | slabstat.tcp_syns, |
| 3023 | s.tcp_tws, slabstat.tcp_tws, |
| 3024 | slabstat.tcp_ports |
| 3025 | ); |
| 3026 | |
| 3027 | printf("\n"); |
| 3028 | printf("Transport Total IP IPv6\n"); |
| 3029 | printf("* %-9d %-9s %-9s\n", slabstat.socks, "-", "-"); |
| 3030 | printf("RAW %-9d %-9d %-9d\n", s.raw4+s.raw6, s.raw4, s.raw6); |
| 3031 | printf("UDP %-9d %-9d %-9d\n", s.udp4+s.udp6, s.udp4, s.udp6); |
| 3032 | 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] | 3033 | printf("INET %-9d %-9d %-9d\n", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3034 | s.raw4+s.udp4+s.tcp4_hashed+ |
| 3035 | s.raw6+s.udp6+s.tcp6_hashed, |
| 3036 | s.raw4+s.udp4+s.tcp4_hashed, |
| 3037 | s.raw6+s.udp6+s.tcp6_hashed); |
| 3038 | printf("FRAG %-9d %-9d %-9d\n", s.frag4+s.frag6, s.frag4, s.frag6); |
| 3039 | |
| 3040 | printf("\n"); |
| 3041 | |
| 3042 | return 0; |
| 3043 | } |
| 3044 | |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3045 | static void _usage(FILE *dest) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3046 | { |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3047 | fprintf(dest, |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3048 | "Usage: ss [ OPTIONS ]\n" |
| 3049 | " ss [ OPTIONS ] [ FILTER ]\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3050 | " -h, --help this message\n" |
| 3051 | " -V, --version output version information\n" |
| 3052 | " -n, --numeric don't resolve service names\n" |
| 3053 | " -r, --resolve resolve host names\n" |
| 3054 | " -a, --all display all sockets\n" |
| 3055 | " -l, --listening display listening sockets\n" |
| 3056 | " -o, --options show timer information\n" |
| 3057 | " -e, --extended show detailed socket information\n" |
| 3058 | " -m, --memory show socket memory usage\n" |
| 3059 | " -p, --processes show process using socket\n" |
| 3060 | " -i, --info show internal TCP information\n" |
| 3061 | " -s, --summary show socket usage summary\n" |
Rami Rosen | b0f01cf | 2013-05-24 12:42:40 +0300 | [diff] [blame] | 3062 | " -b, --bpf show bpf filter socket information\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3063 | "\n" |
| 3064 | " -4, --ipv4 display only IP version 4 sockets\n" |
| 3065 | " -6, --ipv6 display only IP version 6 sockets\n" |
| 3066 | " -0, --packet display PACKET sockets\n" |
| 3067 | " -t, --tcp display only TCP sockets\n" |
| 3068 | " -u, --udp display only UDP sockets\n" |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3069 | " -d, --dccp display only DCCP sockets\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3070 | " -w, --raw display only RAW sockets\n" |
| 3071 | " -x, --unix display only Unix domain sockets\n" |
| 3072 | " -f, --family=FAMILY display sockets of type FAMILY\n" |
| 3073 | "\n" |
Petr Sabata | 583de14 | 2011-10-06 14:45:32 +0200 | [diff] [blame] | 3074 | " -A, --query=QUERY, --socket=QUERY\n" |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3075 | " QUERY := {all|inet|tcp|udp|raw|unix|packet|netlink}[,QUERY]\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3076 | "\n" |
Petr Sabata | 583de14 | 2011-10-06 14:45:32 +0200 | [diff] [blame] | 3077 | " -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] | 3078 | " -F, --filter=FILE read filter information from FILE\n" |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3079 | " FILTER := [ state TCP-STATE ] [ EXPRESSION ]\n" |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3080 | ); |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3081 | } |
| 3082 | |
| 3083 | static void help(void) __attribute__((noreturn)); |
| 3084 | static void help(void) |
| 3085 | { |
| 3086 | _usage(stdout); |
| 3087 | exit(0); |
| 3088 | } |
| 3089 | |
| 3090 | static void usage(void) __attribute__((noreturn)); |
| 3091 | static void usage(void) |
| 3092 | { |
| 3093 | _usage(stderr); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3094 | exit(-1); |
| 3095 | } |
| 3096 | |
| 3097 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 3098 | static int scan_state(const char *state) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3099 | { |
| 3100 | int i; |
| 3101 | if (strcasecmp(state, "close") == 0 || |
| 3102 | strcasecmp(state, "closed") == 0) |
| 3103 | return (1<<SS_CLOSE); |
| 3104 | if (strcasecmp(state, "syn-rcv") == 0) |
| 3105 | return (1<<SS_SYN_RECV); |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3106 | if (strcasecmp(state, "established") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3107 | return (1<<SS_ESTABLISHED); |
| 3108 | if (strcasecmp(state, "all") == 0) |
| 3109 | return SS_ALL; |
| 3110 | if (strcasecmp(state, "connected") == 0) |
| 3111 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)); |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3112 | if (strcasecmp(state, "synchronized") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3113 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)|(1<<SS_SYN_SENT)); |
| 3114 | if (strcasecmp(state, "bucket") == 0) |
| 3115 | return (1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT); |
| 3116 | if (strcasecmp(state, "big") == 0) |
| 3117 | return SS_ALL & ~((1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT)); |
| 3118 | for (i=0; i<SS_MAX; i++) { |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3119 | if (strcasecmp(state, sstate_namel[i]) == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3120 | return (1<<i); |
| 3121 | } |
| 3122 | return 0; |
| 3123 | } |
| 3124 | |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3125 | static const struct option long_opts[] = { |
| 3126 | { "numeric", 0, 0, 'n' }, |
| 3127 | { "resolve", 0, 0, 'r' }, |
| 3128 | { "options", 0, 0, 'o' }, |
| 3129 | { "extended", 0, 0, 'e' }, |
| 3130 | { "memory", 0, 0, 'm' }, |
| 3131 | { "info", 0, 0, 'i' }, |
| 3132 | { "processes", 0, 0, 'p' }, |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3133 | { "bpf", 0, 0, 'b' }, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3134 | { "dccp", 0, 0, 'd' }, |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3135 | { "tcp", 0, 0, 't' }, |
| 3136 | { "udp", 0, 0, 'u' }, |
| 3137 | { "raw", 0, 0, 'w' }, |
| 3138 | { "unix", 0, 0, 'x' }, |
| 3139 | { "all", 0, 0, 'a' }, |
| 3140 | { "listening", 0, 0, 'l' }, |
| 3141 | { "ipv4", 0, 0, '4' }, |
| 3142 | { "ipv6", 0, 0, '6' }, |
| 3143 | { "packet", 0, 0, '0' }, |
| 3144 | { "family", 1, 0, 'f' }, |
| 3145 | { "socket", 1, 0, 'A' }, |
Petr Sabata | 583de14 | 2011-10-06 14:45:32 +0200 | [diff] [blame] | 3146 | { "query", 1, 0, 'A' }, |
osdl.net!shemminger | c3f346b | 2005-01-18 22:31:42 +0000 | [diff] [blame] | 3147 | { "summary", 0, 0, 's' }, |
Petr Sabata | 583de14 | 2011-10-06 14:45:32 +0200 | [diff] [blame] | 3148 | { "diag", 1, 0, 'D' }, |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3149 | { "filter", 1, 0, 'F' }, |
| 3150 | { "version", 0, 0, 'V' }, |
| 3151 | { "help", 0, 0, 'h' }, |
| 3152 | { 0 } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 3153 | |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3154 | }; |
| 3155 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3156 | int main(int argc, char *argv[]) |
| 3157 | { |
| 3158 | int do_default = 1; |
| 3159 | int saw_states = 0; |
| 3160 | int saw_query = 0; |
| 3161 | int do_summary = 0; |
osdl.org!shemminger | 7d105b5 | 2004-06-02 20:22:08 +0000 | [diff] [blame] | 3162 | const char *dump_tcpdiag = NULL; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3163 | FILE *filter_fp = NULL; |
| 3164 | int ch; |
| 3165 | |
| 3166 | memset(¤t_filter, 0, sizeof(current_filter)); |
| 3167 | |
| 3168 | current_filter.states = default_filter.states; |
| 3169 | |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3170 | while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spbf:miA:D:F:vV", |
osdl.org!shemminger | ab61159 | 2004-06-09 21:30:13 +0000 | [diff] [blame] | 3171 | long_opts, NULL)) != EOF) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3172 | switch(ch) { |
| 3173 | case 'n': |
| 3174 | resolve_services = 0; |
| 3175 | break; |
| 3176 | case 'r': |
| 3177 | resolve_hosts = 1; |
| 3178 | break; |
| 3179 | case 'o': |
| 3180 | show_options = 1; |
| 3181 | break; |
| 3182 | case 'e': |
| 3183 | show_options = 1; |
| 3184 | show_details++; |
| 3185 | break; |
| 3186 | case 'm': |
| 3187 | show_mem = 1; |
| 3188 | break; |
| 3189 | case 'i': |
| 3190 | show_tcpinfo = 1; |
| 3191 | break; |
| 3192 | case 'p': |
| 3193 | show_users++; |
Steve Fink | fbc0f87 | 2010-06-09 11:42:38 -0700 | [diff] [blame] | 3194 | user_ent_hash_build(); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3195 | break; |
Nicolas Dichtel | 372c30d | 2013-05-17 08:42:34 -0700 | [diff] [blame] | 3196 | case 'b': |
| 3197 | show_options = 1; |
| 3198 | show_bpf++; |
| 3199 | break; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3200 | case 'd': |
| 3201 | current_filter.dbs |= (1<<DCCP_DB); |
| 3202 | do_default = 0; |
| 3203 | break; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3204 | case 't': |
| 3205 | current_filter.dbs |= (1<<TCP_DB); |
| 3206 | do_default = 0; |
| 3207 | break; |
| 3208 | case 'u': |
| 3209 | current_filter.dbs |= (1<<UDP_DB); |
| 3210 | do_default = 0; |
| 3211 | break; |
| 3212 | case 'w': |
| 3213 | current_filter.dbs |= (1<<RAW_DB); |
| 3214 | do_default = 0; |
| 3215 | break; |
| 3216 | case 'x': |
| 3217 | current_filter.dbs |= UNIX_DBM; |
| 3218 | do_default = 0; |
| 3219 | break; |
| 3220 | case 'a': |
| 3221 | current_filter.states = SS_ALL; |
| 3222 | break; |
| 3223 | case 'l': |
Petr Å abata | 16963ce | 2011-11-16 09:32:20 -0800 | [diff] [blame] | 3224 | current_filter.states = (1<<SS_LISTEN) | (1<<SS_CLOSE); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3225 | break; |
| 3226 | case '4': |
| 3227 | preferred_family = AF_INET; |
| 3228 | break; |
| 3229 | case '6': |
| 3230 | preferred_family = AF_INET6; |
| 3231 | break; |
| 3232 | case '0': |
| 3233 | preferred_family = AF_PACKET; |
| 3234 | break; |
| 3235 | case 'f': |
| 3236 | if (strcmp(optarg, "inet") == 0) |
| 3237 | preferred_family = AF_INET; |
| 3238 | else if (strcmp(optarg, "inet6") == 0) |
| 3239 | preferred_family = AF_INET6; |
| 3240 | else if (strcmp(optarg, "link") == 0) |
| 3241 | preferred_family = AF_PACKET; |
| 3242 | else if (strcmp(optarg, "unix") == 0) |
| 3243 | preferred_family = AF_UNIX; |
| 3244 | else if (strcmp(optarg, "netlink") == 0) |
| 3245 | preferred_family = AF_NETLINK; |
| 3246 | else if (strcmp(optarg, "help") == 0) |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3247 | help(); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3248 | else { |
| 3249 | fprintf(stderr, "ss: \"%s\" is invalid family\n", optarg); |
| 3250 | usage(); |
| 3251 | } |
| 3252 | break; |
| 3253 | case 'A': |
| 3254 | { |
| 3255 | char *p, *p1; |
| 3256 | if (!saw_query) { |
| 3257 | current_filter.dbs = 0; |
| 3258 | saw_query = 1; |
| 3259 | do_default = 0; |
| 3260 | } |
| 3261 | p = p1 = optarg; |
| 3262 | do { |
| 3263 | if ((p1 = strchr(p, ',')) != NULL) |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 3264 | *p1 = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3265 | if (strcmp(p, "all") == 0) { |
| 3266 | current_filter.dbs = ALL_DB; |
| 3267 | } else if (strcmp(p, "inet") == 0) { |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3268 | current_filter.dbs |= (1<<TCP_DB)|(1<<DCCP_DB)|(1<<UDP_DB)|(1<<RAW_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3269 | } else if (strcmp(p, "udp") == 0) { |
| 3270 | current_filter.dbs |= (1<<UDP_DB); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3271 | } else if (strcmp(p, "dccp") == 0) { |
| 3272 | current_filter.dbs |= (1<<DCCP_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3273 | } else if (strcmp(p, "tcp") == 0) { |
| 3274 | current_filter.dbs |= (1<<TCP_DB); |
| 3275 | } else if (strcmp(p, "raw") == 0) { |
| 3276 | current_filter.dbs |= (1<<RAW_DB); |
| 3277 | } else if (strcmp(p, "unix") == 0) { |
| 3278 | current_filter.dbs |= UNIX_DBM; |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3279 | } else if (strcasecmp(p, "unix_stream") == 0 || |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3280 | strcmp(p, "u_str") == 0) { |
| 3281 | current_filter.dbs |= (1<<UNIX_ST_DB); |
osdl.net!shemminger | 1a5bad5 | 2004-07-07 17:06:35 +0000 | [diff] [blame] | 3282 | } else if (strcasecmp(p, "unix_dgram") == 0 || |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3283 | strcmp(p, "u_dgr") == 0) { |
| 3284 | current_filter.dbs |= (1<<UNIX_DG_DB); |
Masatake YAMATO | 30b669d | 2014-01-08 20:13:46 +0900 | [diff] [blame] | 3285 | } else if (strcasecmp(p, "unix_seqpacket") == 0 || |
| 3286 | strcmp(p, "u_seq") == 0) { |
| 3287 | current_filter.dbs |= (1<<UNIX_SQ_DB); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3288 | } else if (strcmp(p, "packet") == 0) { |
| 3289 | current_filter.dbs |= PACKET_DBM; |
| 3290 | } else if (strcmp(p, "packet_raw") == 0 || |
| 3291 | strcmp(p, "p_raw") == 0) { |
| 3292 | current_filter.dbs |= (1<<PACKET_R_DB); |
| 3293 | } else if (strcmp(p, "packet_dgram") == 0 || |
| 3294 | strcmp(p, "p_dgr") == 0) { |
| 3295 | current_filter.dbs |= (1<<PACKET_DG_DB); |
| 3296 | } else if (strcmp(p, "netlink") == 0) { |
| 3297 | current_filter.dbs |= (1<<NETLINK_DB); |
| 3298 | } else { |
| 3299 | fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p); |
| 3300 | usage(); |
| 3301 | } |
| 3302 | p = p1 + 1; |
| 3303 | } while (p1); |
| 3304 | break; |
| 3305 | } |
| 3306 | case 's': |
| 3307 | do_summary = 1; |
| 3308 | break; |
| 3309 | case 'D': |
| 3310 | dump_tcpdiag = optarg; |
| 3311 | break; |
| 3312 | case 'F': |
| 3313 | if (filter_fp) { |
| 3314 | fprintf(stderr, "More than one filter file\n"); |
| 3315 | exit(-1); |
| 3316 | } |
| 3317 | if (optarg[0] == '-') |
| 3318 | filter_fp = stdin; |
| 3319 | else |
| 3320 | filter_fp = fopen(optarg, "r"); |
| 3321 | if (!filter_fp) { |
| 3322 | perror("fopen filter file"); |
| 3323 | exit(-1); |
| 3324 | } |
| 3325 | break; |
| 3326 | case 'v': |
| 3327 | case 'V': |
| 3328 | printf("ss utility, iproute2-ss%s\n", SNAPSHOT); |
| 3329 | exit(0); |
| 3330 | case 'h': |
| 3331 | case '?': |
Andreas Henriksson | 7a96e19 | 2009-12-07 13:12:36 +0100 | [diff] [blame] | 3332 | help(); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3333 | default: |
| 3334 | usage(); |
| 3335 | } |
| 3336 | } |
| 3337 | |
| 3338 | argc -= optind; |
| 3339 | argv += optind; |
| 3340 | |
| 3341 | get_slabstat(&slabstat); |
| 3342 | |
| 3343 | if (do_summary) { |
| 3344 | print_summary(); |
| 3345 | if (do_default && argc == 0) |
| 3346 | exit(0); |
| 3347 | } |
| 3348 | |
| 3349 | if (do_default) |
| 3350 | current_filter.dbs = default_filter.dbs; |
| 3351 | |
| 3352 | if (preferred_family == AF_UNSPEC) { |
| 3353 | if (!(current_filter.dbs&~UNIX_DBM)) |
| 3354 | preferred_family = AF_UNIX; |
| 3355 | else if (!(current_filter.dbs&~PACKET_DBM)) |
| 3356 | preferred_family = AF_PACKET; |
| 3357 | else if (!(current_filter.dbs&~(1<<NETLINK_DB))) |
| 3358 | preferred_family = AF_NETLINK; |
| 3359 | } |
| 3360 | |
| 3361 | if (preferred_family != AF_UNSPEC) { |
| 3362 | int mask2; |
| 3363 | if (preferred_family == AF_INET || |
| 3364 | preferred_family == AF_INET6) { |
Li Yewang | f70d96a | 2008-09-09 09:06:47 +0800 | [diff] [blame] | 3365 | mask2= current_filter.dbs; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3366 | } else if (preferred_family == AF_PACKET) { |
| 3367 | mask2 = PACKET_DBM; |
| 3368 | } else if (preferred_family == AF_UNIX) { |
| 3369 | mask2 = UNIX_DBM; |
| 3370 | } else if (preferred_family == AF_NETLINK) { |
| 3371 | mask2 = (1<<NETLINK_DB); |
| 3372 | } else { |
| 3373 | mask2 = 0; |
| 3374 | } |
| 3375 | |
| 3376 | if (do_default) |
| 3377 | current_filter.dbs = mask2; |
| 3378 | else |
| 3379 | current_filter.dbs &= mask2; |
| 3380 | current_filter.families = (1<<preferred_family); |
| 3381 | } else { |
| 3382 | if (!do_default) |
| 3383 | current_filter.families = ~0; |
| 3384 | else |
| 3385 | current_filter.families = default_filter.families; |
| 3386 | } |
| 3387 | if (current_filter.dbs == 0) { |
| 3388 | fprintf(stderr, "ss: no socket tables to show with such filter.\n"); |
| 3389 | exit(0); |
| 3390 | } |
| 3391 | if (current_filter.families == 0) { |
| 3392 | fprintf(stderr, "ss: no families to show with such filter.\n"); |
| 3393 | exit(0); |
| 3394 | } |
| 3395 | |
| 3396 | if (resolve_services && resolve_hosts && |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3397 | (current_filter.dbs&(UNIX_DBM|(1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)))) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3398 | init_service_resolver(); |
| 3399 | |
| 3400 | /* Now parse filter... */ |
| 3401 | if (argc == 0 && filter_fp) { |
| 3402 | if (ssfilter_parse(¤t_filter.f, 0, NULL, filter_fp)) |
| 3403 | usage(); |
| 3404 | } |
| 3405 | |
| 3406 | while (argc > 0) { |
| 3407 | if (strcmp(*argv, "state") == 0) { |
| 3408 | NEXT_ARG(); |
| 3409 | if (!saw_states) |
| 3410 | current_filter.states = 0; |
| 3411 | current_filter.states |= scan_state(*argv); |
| 3412 | saw_states = 1; |
| 3413 | } else if (strcmp(*argv, "exclude") == 0 || |
| 3414 | strcmp(*argv, "excl") == 0) { |
| 3415 | NEXT_ARG(); |
| 3416 | if (!saw_states) |
| 3417 | current_filter.states = SS_ALL; |
| 3418 | current_filter.states &= ~scan_state(*argv); |
| 3419 | saw_states = 1; |
| 3420 | } else { |
| 3421 | if (ssfilter_parse(¤t_filter.f, argc, argv, filter_fp)) |
| 3422 | usage(); |
| 3423 | break; |
| 3424 | } |
| 3425 | argc--; argv++; |
| 3426 | } |
| 3427 | |
| 3428 | if (current_filter.states == 0) { |
| 3429 | fprintf(stderr, "ss: no socket states to show with such filter.\n"); |
| 3430 | exit(0); |
| 3431 | } |
| 3432 | |
| 3433 | if (dump_tcpdiag) { |
| 3434 | FILE *dump_fp = stdout; |
| 3435 | if (!(current_filter.dbs & (1<<TCP_DB))) { |
| 3436 | fprintf(stderr, "ss: tcpdiag dump requested and no tcp in filter.\n"); |
| 3437 | exit(0); |
| 3438 | } |
| 3439 | if (dump_tcpdiag[0] != '-') { |
| 3440 | dump_fp = fopen(dump_tcpdiag, "w"); |
| 3441 | if (!dump_tcpdiag) { |
| 3442 | perror("fopen dump file"); |
| 3443 | exit(-1); |
| 3444 | } |
| 3445 | } |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 3446 | inet_show_netlink(¤t_filter, dump_fp, IPPROTO_TCP); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3447 | fflush(dump_fp); |
| 3448 | exit(0); |
| 3449 | } |
| 3450 | |
| 3451 | netid_width = 0; |
| 3452 | if (current_filter.dbs&(current_filter.dbs-1)) |
| 3453 | netid_width = 5; |
| 3454 | |
| 3455 | state_width = 0; |
| 3456 | if (current_filter.states&(current_filter.states-1)) |
| 3457 | state_width = 10; |
| 3458 | |
| 3459 | screen_width = 80; |
| 3460 | if (isatty(STDOUT_FILENO)) { |
| 3461 | struct winsize w; |
| 3462 | |
| 3463 | if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) { |
| 3464 | if (w.ws_col > 0) |
| 3465 | screen_width = w.ws_col; |
| 3466 | } |
| 3467 | } |
| 3468 | |
| 3469 | addrp_width = screen_width; |
| 3470 | addrp_width -= netid_width+1; |
| 3471 | addrp_width -= state_width+1; |
| 3472 | addrp_width -= 14; |
| 3473 | |
| 3474 | if (addrp_width&1) { |
| 3475 | if (netid_width) |
| 3476 | netid_width++; |
| 3477 | else if (state_width) |
| 3478 | state_width++; |
| 3479 | } |
| 3480 | |
| 3481 | addrp_width /= 2; |
| 3482 | addrp_width--; |
| 3483 | |
| 3484 | serv_width = resolve_services ? 7 : 5; |
| 3485 | |
| 3486 | if (addrp_width < 15+serv_width+1) |
| 3487 | addrp_width = 15+serv_width+1; |
| 3488 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 3489 | addr_width = addrp_width - serv_width - 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3490 | |
| 3491 | if (netid_width) |
| 3492 | printf("%-*s ", netid_width, "Netid"); |
| 3493 | if (state_width) |
| 3494 | printf("%-*s ", state_width, "State"); |
| 3495 | printf("%-6s %-6s ", "Recv-Q", "Send-Q"); |
| 3496 | |
| 3497 | printf("%*s:%-*s %*s:%-*s\n", |
| 3498 | addr_width, "Local Address", serv_width, "Port", |
| 3499 | addr_width, "Peer Address", serv_width, "Port"); |
| 3500 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3501 | fflush(stdout); |
| 3502 | |
| 3503 | if (current_filter.dbs & (1<<NETLINK_DB)) |
| 3504 | netlink_show(¤t_filter); |
| 3505 | if (current_filter.dbs & PACKET_DBM) |
| 3506 | packet_show(¤t_filter); |
| 3507 | if (current_filter.dbs & UNIX_DBM) |
| 3508 | unix_show(¤t_filter); |
| 3509 | if (current_filter.dbs & (1<<RAW_DB)) |
| 3510 | raw_show(¤t_filter); |
| 3511 | if (current_filter.dbs & (1<<UDP_DB)) |
| 3512 | udp_show(¤t_filter); |
| 3513 | if (current_filter.dbs & (1<<TCP_DB)) |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 3514 | tcp_show(¤t_filter, IPPROTO_TCP); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 3515 | if (current_filter.dbs & (1<<DCCP_DB)) |
Pavel Emelyanov | 3fe5b53 | 2012-10-25 03:18:31 +0000 | [diff] [blame] | 3516 | tcp_show(¤t_filter, IPPROTO_DCCP); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 3517 | return 0; |
| 3518 | } |