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Commit | Line | Data |
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b9de3ecf | 1 | /* |
aba5acdf SH |
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> | |
aba5acdf SH |
25 | #include <dirent.h> |
26 | #include <fnmatch.h> | |
ab61159a | 27 | #include <getopt.h> |
bf4ceee6 | 28 | #include <stdbool.h> |
6b376ebd | 29 | #include <limits.h> |
aba5acdf SH |
30 | |
31 | #include "utils.h" | |
32 | #include "rt_names.h" | |
33 | #include "ll_map.h" | |
34 | #include "libnetlink.h" | |
95ce04bc | 35 | #include "namespace.h" |
aba5acdf SH |
36 | #include "SNAPSHOT.h" |
37 | ||
9cb1eccf | 38 | #include <linux/tcp.h> |
f6062360 | 39 | #include <linux/sock_diag.h> |
351efcde | 40 | #include <linux/inet_diag.h> |
dfbaa90d | 41 | #include <linux/unix_diag.h> |
372c30d2 ND |
42 | #include <linux/netdevice.h> /* for MAX_ADDR_LEN */ |
43 | #include <linux/filter.h> | |
44 | #include <linux/packet_diag.h> | |
ecb928c8 | 45 | #include <linux/netlink_diag.h> |
f89d46ad | 46 | #include <linux/sctp.h> |
aba5acdf | 47 | |
8a4025f6 | 48 | #define MAGIC_SEQ 123456 |
49 | ||
5fb421d4 | 50 | #define DIAG_REQUEST(_req, _r) \ |
51 | struct { \ | |
52 | struct nlmsghdr nlh; \ | |
53 | _r; \ | |
54 | } _req = { \ | |
55 | .nlh = { \ | |
56 | .nlmsg_type = SOCK_DIAG_BY_FAMILY, \ | |
57 | .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\ | |
8a4025f6 | 58 | .nlmsg_seq = MAGIC_SEQ, \ |
5fb421d4 | 59 | .nlmsg_len = sizeof(_req), \ |
60 | }, \ | |
61 | } | |
62 | ||
116ac927 RH |
63 | #if HAVE_SELINUX |
64 | #include <selinux/selinux.h> | |
65 | #else | |
66 | /* Stubs for SELinux functions */ | |
67 | static int is_selinux_enabled(void) | |
68 | { | |
69 | return -1; | |
70 | } | |
71 | ||
72 | static int getpidcon(pid_t pid, char **context) | |
73 | { | |
74 | *context = NULL; | |
75 | return -1; | |
76 | } | |
77 | ||
78 | static int getfilecon(char *path, char **context) | |
79 | { | |
80 | *context = NULL; | |
81 | return -1; | |
82 | } | |
83 | ||
84 | static int security_get_initial_context(char *name, char **context) | |
85 | { | |
86 | *context = NULL; | |
87 | return -1; | |
88 | } | |
89 | #endif | |
90 | ||
acd1e437 | 91 | int resolve_hosts; |
aba5acdf SH |
92 | int resolve_services = 1; |
93 | int preferred_family = AF_UNSPEC; | |
acd1e437 SH |
94 | int show_options; |
95 | int show_details; | |
96 | int show_users; | |
97 | int show_mem; | |
98 | int show_tcpinfo; | |
99 | int show_bpf; | |
100 | int show_proc_ctx; | |
101 | int show_sock_ctx; | |
7a4559f6 | 102 | int show_header = 1; |
116ac927 | 103 | /* If show_users & show_proc_ctx only do user_ent_hash_build() once */ |
acd1e437 SH |
104 | int user_ent_hash_build_init; |
105 | int follow_events; | |
f89d46ad | 106 | int sctp_ino; |
aba5acdf SH |
107 | |
108 | int netid_width; | |
109 | int state_width; | |
110 | int addrp_width; | |
111 | int addr_width; | |
112 | int serv_width; | |
113 | int screen_width; | |
114 | ||
115 | static const char *TCP_PROTO = "tcp"; | |
f89d46ad | 116 | static const char *SCTP_PROTO = "sctp"; |
aba5acdf SH |
117 | static const char *UDP_PROTO = "udp"; |
118 | static const char *RAW_PROTO = "raw"; | |
acd1e437 | 119 | static const char *dg_proto; |
aba5acdf | 120 | |
acd1e437 | 121 | enum { |
aba5acdf | 122 | TCP_DB, |
351efcde | 123 | DCCP_DB, |
aba5acdf SH |
124 | UDP_DB, |
125 | RAW_DB, | |
126 | UNIX_DG_DB, | |
127 | UNIX_ST_DB, | |
30b669d7 | 128 | UNIX_SQ_DB, |
aba5acdf SH |
129 | PACKET_DG_DB, |
130 | PACKET_R_DB, | |
131 | NETLINK_DB, | |
f89d46ad | 132 | SCTP_DB, |
aba5acdf SH |
133 | MAX_DB |
134 | }; | |
135 | ||
136 | #define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB)) | |
30b669d7 | 137 | #define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB)) |
aba5acdf | 138 | #define ALL_DB ((1<<MAX_DB)-1) |
168d97f9 SH |
139 | #define INET_L4_DBM ((1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)|(1<<SCTP_DB)) |
140 | #define INET_DBM (INET_L4_DBM | (1<<RAW_DB)) | |
aba5acdf SH |
141 | |
142 | enum { | |
7d105b56 SH |
143 | SS_UNKNOWN, |
144 | SS_ESTABLISHED, | |
145 | SS_SYN_SENT, | |
146 | SS_SYN_RECV, | |
147 | SS_FIN_WAIT1, | |
148 | SS_FIN_WAIT2, | |
149 | SS_TIME_WAIT, | |
150 | SS_CLOSE, | |
151 | SS_CLOSE_WAIT, | |
152 | SS_LAST_ACK, | |
153 | SS_LISTEN, | |
154 | SS_CLOSING, | |
155 | SS_MAX | |
aba5acdf SH |
156 | }; |
157 | ||
f89d46ad PS |
158 | enum { |
159 | SCTP_STATE_CLOSED = 0, | |
160 | SCTP_STATE_COOKIE_WAIT = 1, | |
161 | SCTP_STATE_COOKIE_ECHOED = 2, | |
162 | SCTP_STATE_ESTABLISHED = 3, | |
163 | SCTP_STATE_SHUTDOWN_PENDING = 4, | |
164 | SCTP_STATE_SHUTDOWN_SENT = 5, | |
165 | SCTP_STATE_SHUTDOWN_RECEIVED = 6, | |
166 | SCTP_STATE_SHUTDOWN_ACK_SENT = 7, | |
167 | }; | |
168 | ||
9db7bf15 VK |
169 | #define SS_ALL ((1 << SS_MAX) - 1) |
170 | #define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV))) | |
aba5acdf SH |
171 | |
172 | #include "ssfilter.h" | |
173 | ||
acd1e437 | 174 | struct filter { |
aba5acdf SH |
175 | int dbs; |
176 | int states; | |
177 | int families; | |
178 | struct ssfilter *f; | |
fb2594c1 | 179 | bool kill; |
aba5acdf SH |
180 | }; |
181 | ||
9db7bf15 VK |
182 | static const struct filter default_dbs[MAX_DB] = { |
183 | [TCP_DB] = { | |
184 | .states = SS_CONN, | |
185 | .families = (1 << AF_INET) | (1 << AF_INET6), | |
186 | }, | |
187 | [DCCP_DB] = { | |
188 | .states = SS_CONN, | |
189 | .families = (1 << AF_INET) | (1 << AF_INET6), | |
190 | }, | |
191 | [UDP_DB] = { | |
f42a4574 | 192 | .states = (1 << SS_ESTABLISHED), |
9db7bf15 VK |
193 | .families = (1 << AF_INET) | (1 << AF_INET6), |
194 | }, | |
195 | [RAW_DB] = { | |
f42a4574 | 196 | .states = (1 << SS_ESTABLISHED), |
9db7bf15 VK |
197 | .families = (1 << AF_INET) | (1 << AF_INET6), |
198 | }, | |
199 | [UNIX_DG_DB] = { | |
200 | .states = (1 << SS_CLOSE), | |
201 | .families = (1 << AF_UNIX), | |
202 | }, | |
203 | [UNIX_ST_DB] = { | |
204 | .states = SS_CONN, | |
205 | .families = (1 << AF_UNIX), | |
206 | }, | |
207 | [UNIX_SQ_DB] = { | |
208 | .states = SS_CONN, | |
209 | .families = (1 << AF_UNIX), | |
210 | }, | |
211 | [PACKET_DG_DB] = { | |
212 | .states = (1 << SS_CLOSE), | |
213 | .families = (1 << AF_PACKET), | |
214 | }, | |
215 | [PACKET_R_DB] = { | |
216 | .states = (1 << SS_CLOSE), | |
217 | .families = (1 << AF_PACKET), | |
218 | }, | |
219 | [NETLINK_DB] = { | |
220 | .states = (1 << SS_CLOSE), | |
221 | .families = (1 << AF_NETLINK), | |
222 | }, | |
f89d46ad PS |
223 | [SCTP_DB] = { |
224 | .states = SS_CONN, | |
225 | .families = (1 << AF_INET) | (1 << AF_INET6), | |
226 | }, | |
aba5acdf SH |
227 | }; |
228 | ||
9db7bf15 VK |
229 | static const struct filter default_afs[AF_MAX] = { |
230 | [AF_INET] = { | |
231 | .dbs = INET_DBM, | |
232 | .states = SS_CONN, | |
233 | }, | |
234 | [AF_INET6] = { | |
235 | .dbs = INET_DBM, | |
236 | .states = SS_CONN, | |
237 | }, | |
238 | [AF_UNIX] = { | |
239 | .dbs = UNIX_DBM, | |
240 | .states = SS_CONN, | |
241 | }, | |
242 | [AF_PACKET] = { | |
243 | .dbs = PACKET_DBM, | |
244 | .states = (1 << SS_CLOSE), | |
245 | }, | |
246 | [AF_NETLINK] = { | |
247 | .dbs = (1 << NETLINK_DB), | |
248 | .states = (1 << SS_CLOSE), | |
249 | }, | |
250 | }; | |
251 | ||
252 | static int do_default = 1; | |
253 | static struct filter current_filter; | |
254 | ||
255 | static void filter_db_set(struct filter *f, int db) | |
256 | { | |
257 | f->states |= default_dbs[db].states; | |
9db7bf15 VK |
258 | f->dbs |= 1 << db; |
259 | do_default = 0; | |
260 | } | |
261 | ||
262 | static void filter_af_set(struct filter *f, int af) | |
263 | { | |
1527a17e VK |
264 | f->states |= default_afs[af].states; |
265 | f->families |= 1 << af; | |
266 | do_default = 0; | |
267 | preferred_family = af; | |
9db7bf15 VK |
268 | } |
269 | ||
270 | static int filter_af_get(struct filter *f, int af) | |
271 | { | |
272 | return f->families & (1 << af); | |
273 | } | |
274 | ||
275 | static void filter_default_dbs(struct filter *f) | |
276 | { | |
277 | filter_db_set(f, UDP_DB); | |
278 | filter_db_set(f, DCCP_DB); | |
279 | filter_db_set(f, TCP_DB); | |
280 | filter_db_set(f, RAW_DB); | |
281 | filter_db_set(f, UNIX_ST_DB); | |
282 | filter_db_set(f, UNIX_DG_DB); | |
283 | filter_db_set(f, UNIX_SQ_DB); | |
284 | filter_db_set(f, PACKET_R_DB); | |
285 | filter_db_set(f, PACKET_DG_DB); | |
286 | filter_db_set(f, NETLINK_DB); | |
f89d46ad | 287 | filter_db_set(f, SCTP_DB); |
9db7bf15 VK |
288 | } |
289 | ||
57ff5a10 | 290 | static void filter_states_set(struct filter *f, int states) |
9db7bf15 | 291 | { |
57ff5a10 | 292 | if (states) |
9d320e1e | 293 | f->states = states; |
57ff5a10 | 294 | } |
9db7bf15 | 295 | |
57ff5a10 VK |
296 | static void filter_merge_defaults(struct filter *f) |
297 | { | |
298 | int db; | |
299 | int af; | |
9db7bf15 | 300 | |
57ff5a10 VK |
301 | for (db = 0; db < MAX_DB; db++) { |
302 | if (!(f->dbs & (1 << db))) | |
303 | continue; | |
9db7bf15 | 304 | |
57ff5a10 VK |
305 | if (!(default_dbs[db].families & f->families)) |
306 | f->families |= default_dbs[db].families; | |
307 | } | |
308 | for (af = 0; af < AF_MAX; af++) { | |
309 | if (!(f->families & (1 << af))) | |
310 | continue; | |
311 | ||
312 | if (!(default_afs[af].dbs & f->dbs)) | |
313 | f->dbs |= default_afs[af].dbs; | |
314 | } | |
9db7bf15 | 315 | } |
aba5acdf | 316 | |
ab01dbbb | 317 | static FILE *generic_proc_open(const char *env, const char *name) |
aba5acdf | 318 | { |
ab01dbbb | 319 | const char *p = getenv(env); |
aba5acdf | 320 | char store[128]; |
ab01dbbb | 321 | |
aba5acdf SH |
322 | if (!p) { |
323 | p = getenv("PROC_ROOT") ? : "/proc"; | |
324 | snprintf(store, sizeof(store)-1, "%s/%s", p, name); | |
325 | p = store; | |
326 | } | |
ab01dbbb SH |
327 | |
328 | return fopen(p, "r"); | |
aba5acdf SH |
329 | } |
330 | ||
ab01dbbb | 331 | static FILE *net_tcp_open(void) |
aba5acdf SH |
332 | { |
333 | return generic_proc_open("PROC_NET_TCP", "net/tcp"); | |
334 | } | |
335 | ||
ab01dbbb | 336 | static FILE *net_tcp6_open(void) |
aba5acdf SH |
337 | { |
338 | return generic_proc_open("PROC_NET_TCP6", "net/tcp6"); | |
339 | } | |
340 | ||
ab01dbbb | 341 | static FILE *net_udp_open(void) |
aba5acdf SH |
342 | { |
343 | return generic_proc_open("PROC_NET_UDP", "net/udp"); | |
344 | } | |
345 | ||
ab01dbbb | 346 | static FILE *net_udp6_open(void) |
aba5acdf SH |
347 | { |
348 | return generic_proc_open("PROC_NET_UDP6", "net/udp6"); | |
349 | } | |
350 | ||
ab01dbbb | 351 | static FILE *net_raw_open(void) |
aba5acdf SH |
352 | { |
353 | return generic_proc_open("PROC_NET_RAW", "net/raw"); | |
354 | } | |
355 | ||
ab01dbbb | 356 | static FILE *net_raw6_open(void) |
aba5acdf SH |
357 | { |
358 | return generic_proc_open("PROC_NET_RAW6", "net/raw6"); | |
359 | } | |
360 | ||
ab01dbbb | 361 | static FILE *net_unix_open(void) |
aba5acdf SH |
362 | { |
363 | return generic_proc_open("PROC_NET_UNIX", "net/unix"); | |
364 | } | |
365 | ||
ab01dbbb | 366 | static FILE *net_packet_open(void) |
aba5acdf SH |
367 | { |
368 | return generic_proc_open("PROC_NET_PACKET", "net/packet"); | |
369 | } | |
370 | ||
ab01dbbb | 371 | static FILE *net_netlink_open(void) |
aba5acdf SH |
372 | { |
373 | return generic_proc_open("PROC_NET_NETLINK", "net/netlink"); | |
374 | } | |
375 | ||
ab01dbbb | 376 | static FILE *slabinfo_open(void) |
aba5acdf SH |
377 | { |
378 | return generic_proc_open("PROC_SLABINFO", "slabinfo"); | |
379 | } | |
380 | ||
ab01dbbb | 381 | static FILE *net_sockstat_open(void) |
aba5acdf SH |
382 | { |
383 | return generic_proc_open("PROC_NET_SOCKSTAT", "net/sockstat"); | |
384 | } | |
385 | ||
ab01dbbb | 386 | static FILE *net_sockstat6_open(void) |
aba5acdf SH |
387 | { |
388 | return generic_proc_open("PROC_NET_SOCKSTAT6", "net/sockstat6"); | |
389 | } | |
390 | ||
ab01dbbb | 391 | static FILE *net_snmp_open(void) |
aba5acdf SH |
392 | { |
393 | return generic_proc_open("PROC_NET_SNMP", "net/snmp"); | |
394 | } | |
395 | ||
ab01dbbb | 396 | static FILE *ephemeral_ports_open(void) |
aba5acdf SH |
397 | { |
398 | return generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", "sys/net/ipv4/ip_local_port_range"); | |
399 | } | |
400 | ||
fbc0f876 SF |
401 | struct user_ent { |
402 | struct user_ent *next; | |
403 | unsigned int ino; | |
404 | int pid; | |
405 | int fd; | |
116ac927 RH |
406 | char *process; |
407 | char *process_ctx; | |
408 | char *socket_ctx; | |
fbc0f876 SF |
409 | }; |
410 | ||
411 | #define USER_ENT_HASH_SIZE 256 | |
412 | struct user_ent *user_ent_hash[USER_ENT_HASH_SIZE]; | |
413 | ||
414 | static int user_ent_hashfn(unsigned int ino) | |
aba5acdf | 415 | { |
fbc0f876 | 416 | int val = (ino >> 24) ^ (ino >> 16) ^ (ino >> 8) ^ ino; |
aba5acdf | 417 | |
fbc0f876 SF |
418 | return val & (USER_ENT_HASH_SIZE - 1); |
419 | } | |
420 | ||
116ac927 RH |
421 | static void user_ent_add(unsigned int ino, char *process, |
422 | int pid, int fd, | |
423 | char *proc_ctx, | |
424 | char *sock_ctx) | |
fbc0f876 SF |
425 | { |
426 | struct user_ent *p, **pp; | |
aba5acdf | 427 | |
116ac927 RH |
428 | p = malloc(sizeof(struct user_ent)); |
429 | if (!p) { | |
430 | fprintf(stderr, "ss: failed to malloc buffer\n"); | |
fbc0f876 | 431 | abort(); |
116ac927 | 432 | } |
fbc0f876 SF |
433 | p->next = NULL; |
434 | p->ino = ino; | |
435 | p->pid = pid; | |
436 | p->fd = fd; | |
116ac927 RH |
437 | p->process = strdup(process); |
438 | p->process_ctx = strdup(proc_ctx); | |
439 | p->socket_ctx = strdup(sock_ctx); | |
fbc0f876 SF |
440 | |
441 | pp = &user_ent_hash[user_ent_hashfn(ino)]; | |
442 | p->next = *pp; | |
443 | *pp = p; | |
444 | } | |
aba5acdf | 445 | |
116ac927 RH |
446 | static void user_ent_destroy(void) |
447 | { | |
448 | struct user_ent *p, *p_next; | |
449 | int cnt = 0; | |
450 | ||
451 | while (cnt != USER_ENT_HASH_SIZE) { | |
452 | p = user_ent_hash[cnt]; | |
453 | while (p) { | |
454 | free(p->process); | |
455 | free(p->process_ctx); | |
456 | free(p->socket_ctx); | |
457 | p_next = p->next; | |
458 | free(p); | |
459 | p = p_next; | |
460 | } | |
461 | cnt++; | |
462 | } | |
463 | } | |
464 | ||
fbc0f876 SF |
465 | static void user_ent_hash_build(void) |
466 | { | |
467 | const char *root = getenv("PROC_ROOT") ? : "/proc/"; | |
468 | struct dirent *d; | |
469 | char name[1024]; | |
470 | int nameoff; | |
471 | DIR *dir; | |
116ac927 RH |
472 | char *pid_context; |
473 | char *sock_context; | |
474 | const char *no_ctx = "unavailable"; | |
475 | ||
476 | /* If show_users & show_proc_ctx set only do this once */ | |
477 | if (user_ent_hash_build_init != 0) | |
478 | return; | |
479 | ||
480 | user_ent_hash_build_init = 1; | |
fbc0f876 | 481 | |
0ee9052f | 482 | strncpy(name, root, sizeof(name)-1); |
483 | name[sizeof(name)-1] = 0; | |
484 | ||
fbc0f876 | 485 | if (strlen(name) == 0 || name[strlen(name)-1] != '/') |
aba5acdf | 486 | strcat(name, "/"); |
fbc0f876 | 487 | |
aba5acdf | 488 | nameoff = strlen(name); |
fbc0f876 SF |
489 | |
490 | dir = opendir(name); | |
491 | if (!dir) | |
492 | return; | |
aba5acdf SH |
493 | |
494 | while ((d = readdir(dir)) != NULL) { | |
aba5acdf | 495 | struct dirent *d1; |
aba5acdf | 496 | char process[16]; |
116ac927 | 497 | char *p; |
fbc0f876 SF |
498 | int pid, pos; |
499 | DIR *dir1; | |
500 | char crap; | |
aba5acdf SH |
501 | |
502 | if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1) | |
503 | continue; | |
504 | ||
116ac927 RH |
505 | if (getpidcon(pid, &pid_context) != 0) |
506 | pid_context = strdup(no_ctx); | |
507 | ||
0ee9052f | 508 | snprintf(name + nameoff, sizeof(name) - nameoff, "%d/fd/", pid); |
aba5acdf | 509 | pos = strlen(name); |
a02371fb PS |
510 | if ((dir1 = opendir(name)) == NULL) { |
511 | free(pid_context); | |
aba5acdf | 512 | continue; |
a02371fb | 513 | } |
aba5acdf | 514 | |
fbc0f876 | 515 | process[0] = '\0'; |
116ac927 | 516 | p = process; |
aba5acdf SH |
517 | |
518 | while ((d1 = readdir(dir1)) != NULL) { | |
fbc0f876 SF |
519 | const char *pattern = "socket:["; |
520 | unsigned int ino; | |
aba5acdf | 521 | char lnk[64]; |
18445b3e | 522 | int fd; |
788731b3 | 523 | ssize_t link_len; |
116ac927 | 524 | char tmp[1024]; |
aba5acdf SH |
525 | |
526 | if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1) | |
527 | continue; | |
528 | ||
0ee9052f | 529 | snprintf(name+pos, sizeof(name) - pos, "%d", fd); |
788731b3 TJ |
530 | |
531 | link_len = readlink(name, lnk, sizeof(lnk)-1); | |
532 | if (link_len == -1) | |
533 | continue; | |
534 | lnk[link_len] = '\0'; | |
535 | ||
536 | if (strncmp(lnk, pattern, strlen(pattern))) | |
aba5acdf SH |
537 | continue; |
538 | ||
fbc0f876 | 539 | sscanf(lnk, "socket:[%u]", &ino); |
aba5acdf | 540 | |
116ac927 RH |
541 | snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s", |
542 | root, pid, d1->d_name); | |
543 | ||
544 | if (getfilecon(tmp, &sock_context) <= 0) | |
545 | sock_context = strdup(no_ctx); | |
546 | ||
547 | if (*p == '\0') { | |
aba5acdf | 548 | FILE *fp; |
fbc0f876 | 549 | |
116ac927 RH |
550 | snprintf(tmp, sizeof(tmp), "%s/%d/stat", |
551 | root, pid); | |
aba5acdf | 552 | if ((fp = fopen(tmp, "r")) != NULL) { |
d572ed4d PS |
553 | if (fscanf(fp, "%*d (%[^)])", p) < 1) |
554 | ; /* ignore */ | |
aba5acdf SH |
555 | fclose(fp); |
556 | } | |
557 | } | |
116ac927 RH |
558 | user_ent_add(ino, p, pid, fd, |
559 | pid_context, sock_context); | |
560 | free(sock_context); | |
aba5acdf | 561 | } |
116ac927 | 562 | free(pid_context); |
aba5acdf SH |
563 | closedir(dir1); |
564 | } | |
565 | closedir(dir); | |
fbc0f876 SF |
566 | } |
567 | ||
116ac927 RH |
568 | enum entry_types { |
569 | USERS, | |
570 | PROC_CTX, | |
571 | PROC_SOCK_CTX | |
572 | }; | |
573 | ||
574 | #define ENTRY_BUF_SIZE 512 | |
acd1e437 | 575 | static int find_entry(unsigned int ino, char **buf, int type) |
fbc0f876 SF |
576 | { |
577 | struct user_ent *p; | |
578 | int cnt = 0; | |
579 | char *ptr; | |
532ca40a | 580 | char *new_buf; |
116ac927 RH |
581 | int len, new_buf_len; |
582 | int buf_used = 0; | |
583 | int buf_len = 0; | |
fbc0f876 SF |
584 | |
585 | if (!ino) | |
586 | return 0; | |
587 | ||
588 | p = user_ent_hash[user_ent_hashfn(ino)]; | |
116ac927 | 589 | ptr = *buf = NULL; |
fbc0f876 SF |
590 | while (p) { |
591 | if (p->ino != ino) | |
592 | goto next; | |
593 | ||
116ac927 RH |
594 | while (1) { |
595 | ptr = *buf + buf_used; | |
596 | switch (type) { | |
597 | case USERS: | |
598 | len = snprintf(ptr, buf_len - buf_used, | |
599 | "(\"%s\",pid=%d,fd=%d),", | |
600 | p->process, p->pid, p->fd); | |
601 | break; | |
602 | case PROC_CTX: | |
603 | len = snprintf(ptr, buf_len - buf_used, | |
604 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),", | |
605 | p->process, p->pid, | |
606 | p->process_ctx, p->fd); | |
607 | break; | |
608 | case PROC_SOCK_CTX: | |
609 | len = snprintf(ptr, buf_len - buf_used, | |
610 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),", | |
611 | p->process, p->pid, | |
612 | p->process_ctx, p->fd, | |
613 | p->socket_ctx); | |
614 | break; | |
615 | default: | |
616 | fprintf(stderr, "ss: invalid type: %d\n", type); | |
617 | abort(); | |
618 | } | |
fbc0f876 | 619 | |
116ac927 RH |
620 | if (len < 0 || len >= buf_len - buf_used) { |
621 | new_buf_len = buf_len + ENTRY_BUF_SIZE; | |
532ca40a | 622 | new_buf = realloc(*buf, new_buf_len); |
116ac927 RH |
623 | if (!new_buf) { |
624 | fprintf(stderr, "ss: failed to malloc buffer\n"); | |
625 | abort(); | |
626 | } | |
532ca40a | 627 | *buf = new_buf; |
116ac927 RH |
628 | buf_len = new_buf_len; |
629 | continue; | |
630 | } else { | |
631 | buf_used += len; | |
632 | break; | |
633 | } | |
634 | } | |
fbc0f876 | 635 | cnt++; |
116ac927 | 636 | next: |
fbc0f876 SF |
637 | p = p->next; |
638 | } | |
116ac927 RH |
639 | if (buf_used) { |
640 | ptr = *buf + buf_used; | |
fbc0f876 | 641 | ptr[-1] = '\0'; |
116ac927 | 642 | } |
aba5acdf SH |
643 | return cnt; |
644 | } | |
645 | ||
aba5acdf SH |
646 | /* Get stats from slab */ |
647 | ||
acd1e437 | 648 | struct slabstat { |
aba5acdf SH |
649 | int socks; |
650 | int tcp_ports; | |
651 | int tcp_tws; | |
652 | int tcp_syns; | |
653 | int skbs; | |
654 | }; | |
655 | ||
a221d621 | 656 | static struct slabstat slabstat; |
aba5acdf | 657 | |
acd1e437 SH |
658 | static const char *slabstat_ids[] = { |
659 | ||
aba5acdf SH |
660 | "sock", |
661 | "tcp_bind_bucket", | |
662 | "tcp_tw_bucket", | |
663 | "tcp_open_request", | |
664 | "skbuff_head_cache", | |
665 | }; | |
666 | ||
d1f28cf1 | 667 | static int get_slabstat(struct slabstat *s) |
aba5acdf SH |
668 | { |
669 | char buf[256]; | |
670 | FILE *fp; | |
671 | int cnt; | |
a221d621 BL |
672 | static int slabstat_valid; |
673 | ||
674 | if (slabstat_valid) | |
675 | return 0; | |
aba5acdf SH |
676 | |
677 | memset(s, 0, sizeof(*s)); | |
678 | ||
ab01dbbb SH |
679 | fp = slabinfo_open(); |
680 | if (!fp) | |
aba5acdf SH |
681 | return -1; |
682 | ||
683 | cnt = sizeof(*s)/sizeof(int); | |
684 | ||
d572ed4d PS |
685 | if (!fgets(buf, sizeof(buf), fp)) { |
686 | fclose(fp); | |
687 | return -1; | |
688 | } | |
acd1e437 | 689 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
aba5acdf | 690 | int i; |
acd1e437 | 691 | |
62000e51 | 692 | for (i = 0; i < ARRAY_SIZE(slabstat_ids); i++) { |
aba5acdf SH |
693 | if (memcmp(buf, slabstat_ids[i], strlen(slabstat_ids[i])) == 0) { |
694 | sscanf(buf, "%*s%d", ((int *)s) + i); | |
695 | cnt--; | |
696 | break; | |
697 | } | |
698 | } | |
699 | if (cnt <= 0) | |
700 | break; | |
701 | } | |
702 | ||
a221d621 BL |
703 | slabstat_valid = 1; |
704 | ||
aba5acdf SH |
705 | fclose(fp); |
706 | return 0; | |
707 | } | |
708 | ||
2e7e805d | 709 | static unsigned long long cookie_sk_get(const uint32_t *cookie) |
f1b39e1b | 710 | { |
2e7e805d | 711 | return (((unsigned long long)cookie[1] << 31) << 1) | cookie[0]; |
f1b39e1b VK |
712 | } |
713 | ||
7d105b56 SH |
714 | static const char *sstate_name[] = { |
715 | "UNKNOWN", | |
9cb1eccf ED |
716 | [SS_ESTABLISHED] = "ESTAB", |
717 | [SS_SYN_SENT] = "SYN-SENT", | |
718 | [SS_SYN_RECV] = "SYN-RECV", | |
719 | [SS_FIN_WAIT1] = "FIN-WAIT-1", | |
720 | [SS_FIN_WAIT2] = "FIN-WAIT-2", | |
721 | [SS_TIME_WAIT] = "TIME-WAIT", | |
722 | [SS_CLOSE] = "UNCONN", | |
723 | [SS_CLOSE_WAIT] = "CLOSE-WAIT", | |
724 | [SS_LAST_ACK] = "LAST-ACK", | |
acd1e437 | 725 | [SS_LISTEN] = "LISTEN", |
9cb1eccf | 726 | [SS_CLOSING] = "CLOSING", |
aba5acdf SH |
727 | }; |
728 | ||
f89d46ad PS |
729 | static const char *sctp_sstate_name[] = { |
730 | [SCTP_STATE_CLOSED] = "CLOSED", | |
731 | [SCTP_STATE_COOKIE_WAIT] = "COOKIE_WAIT", | |
732 | [SCTP_STATE_COOKIE_ECHOED] = "COOKIE_ECHOED", | |
733 | [SCTP_STATE_ESTABLISHED] = "ESTAB", | |
734 | [SCTP_STATE_SHUTDOWN_PENDING] = "SHUTDOWN_PENDING", | |
735 | [SCTP_STATE_SHUTDOWN_SENT] = "SHUTDOWN_SENT", | |
736 | [SCTP_STATE_SHUTDOWN_RECEIVED] = "SHUTDOWN_RECEIVED", | |
737 | [SCTP_STATE_SHUTDOWN_ACK_SENT] = "ACK_SENT", | |
738 | }; | |
739 | ||
7d105b56 SH |
740 | static const char *sstate_namel[] = { |
741 | "UNKNOWN", | |
9cb1eccf ED |
742 | [SS_ESTABLISHED] = "established", |
743 | [SS_SYN_SENT] = "syn-sent", | |
744 | [SS_SYN_RECV] = "syn-recv", | |
745 | [SS_FIN_WAIT1] = "fin-wait-1", | |
746 | [SS_FIN_WAIT2] = "fin-wait-2", | |
747 | [SS_TIME_WAIT] = "time-wait", | |
748 | [SS_CLOSE] = "unconnected", | |
749 | [SS_CLOSE_WAIT] = "close-wait", | |
750 | [SS_LAST_ACK] = "last-ack", | |
acd1e437 | 751 | [SS_LISTEN] = "listening", |
9cb1eccf | 752 | [SS_CLOSING] = "closing", |
aba5acdf SH |
753 | }; |
754 | ||
acd1e437 | 755 | struct sockstat { |
ec4d0d8a VK |
756 | struct sockstat *next; |
757 | unsigned int type; | |
89f634f9 | 758 | uint16_t prot; |
41fe6c34 | 759 | uint16_t raw_prot; |
8250bc9f VK |
760 | inet_prefix local; |
761 | inet_prefix remote; | |
762 | int lport; | |
763 | int rport; | |
764 | int state; | |
765 | int rq, wq; | |
acd1e437 SH |
766 | unsigned int ino; |
767 | unsigned int uid; | |
8250bc9f VK |
768 | int refcnt; |
769 | unsigned int iface; | |
770 | unsigned long long sk; | |
99bb68ff VK |
771 | char *name; |
772 | char *peer_name; | |
ec75249b | 773 | __u32 mark; |
055840f2 VK |
774 | }; |
775 | ||
acd1e437 | 776 | struct dctcpstat { |
055840f2 VK |
777 | unsigned int ce_state; |
778 | unsigned int alpha; | |
779 | unsigned int ab_ecn; | |
780 | unsigned int ab_tot; | |
781 | bool enabled; | |
782 | }; | |
783 | ||
acd1e437 | 784 | struct tcpstat { |
055840f2 | 785 | struct sockstat ss; |
8250bc9f VK |
786 | int timer; |
787 | int timeout; | |
788 | int probes; | |
d2055ea5 | 789 | char cong_alg[16]; |
8250bc9f | 790 | double rto, ato, rtt, rttvar; |
d1f338b3 | 791 | int qack, ssthresh, backoff; |
8250bc9f VK |
792 | double send_bps; |
793 | int snd_wscale; | |
794 | int rcv_wscale; | |
795 | int mss; | |
d1f338b3 | 796 | unsigned int cwnd; |
8250bc9f VK |
797 | unsigned int lastsnd; |
798 | unsigned int lastrcv; | |
799 | unsigned int lastack; | |
800 | double pacing_rate; | |
801 | double pacing_rate_max; | |
2f579872 | 802 | double delivery_rate; |
1a4dda71 ED |
803 | unsigned long long bytes_acked; |
804 | unsigned long long bytes_received; | |
ecb435ea CG |
805 | unsigned int segs_out; |
806 | unsigned int segs_in; | |
414aeec9 MKL |
807 | unsigned int data_segs_out; |
808 | unsigned int data_segs_in; | |
8250bc9f VK |
809 | unsigned int unacked; |
810 | unsigned int retrans; | |
811 | unsigned int retrans_total; | |
812 | unsigned int lost; | |
813 | unsigned int sacked; | |
814 | unsigned int fackets; | |
815 | unsigned int reordering; | |
9e99e495 | 816 | unsigned int not_sent; |
8250bc9f | 817 | double rcv_rtt; |
9e99e495 | 818 | double min_rtt; |
8250bc9f VK |
819 | int rcv_space; |
820 | bool has_ts_opt; | |
821 | bool has_sack_opt; | |
822 | bool has_ecn_opt; | |
823 | bool has_ecnseen_opt; | |
824 | bool has_fastopen_opt; | |
825 | bool has_wscale_opt; | |
2f579872 | 826 | bool app_limited; |
8250bc9f | 827 | struct dctcpstat *dctcp; |
2f0f9aef | 828 | struct tcp_bbr_info *bbr_info; |
aba5acdf SH |
829 | }; |
830 | ||
f89d46ad PS |
831 | /* SCTP assocs share the same inode number with their parent endpoint. So if we |
832 | * have seen the inode number before, it must be an assoc instead of the next | |
833 | * endpoint. */ | |
834 | static bool is_sctp_assoc(struct sockstat *s, const char *sock_name) | |
835 | { | |
836 | if (strcmp(sock_name, "sctp")) | |
837 | return false; | |
838 | if (!sctp_ino || sctp_ino != s->ino) | |
839 | return false; | |
840 | return true; | |
841 | } | |
842 | ||
2d791bc8 VK |
843 | static void sock_state_print(struct sockstat *s, const char *sock_name) |
844 | { | |
845 | if (netid_width) | |
f89d46ad PS |
846 | printf("%-*s ", netid_width, |
847 | is_sctp_assoc(s, sock_name) ? "" : sock_name); | |
848 | if (state_width) { | |
849 | if (is_sctp_assoc(s, sock_name)) | |
850 | printf("`- %-*s ", state_width - 3, | |
851 | sctp_sstate_name[s->state]); | |
852 | else | |
853 | printf("%-*s ", state_width, sstate_name[s->state]); | |
854 | } | |
2d791bc8 VK |
855 | |
856 | printf("%-6d %-6d ", s->rq, s->wq); | |
857 | } | |
858 | ||
f1b39e1b VK |
859 | static void sock_details_print(struct sockstat *s) |
860 | { | |
861 | if (s->uid) | |
862 | printf(" uid:%u", s->uid); | |
863 | ||
864 | printf(" ino:%u", s->ino); | |
865 | printf(" sk:%llx", s->sk); | |
ec75249b LC |
866 | |
867 | if (s->mark) | |
868 | printf(" fwmark:0x%x", s->mark); | |
f1b39e1b VK |
869 | } |
870 | ||
b217df10 VK |
871 | static void sock_addr_print_width(int addr_len, const char *addr, char *delim, |
872 | int port_len, const char *port, const char *ifname) | |
873 | { | |
874 | if (ifname) { | |
875 | printf("%*s%%%s%s%-*s ", addr_len, addr, ifname, delim, | |
876 | port_len, port); | |
acd1e437 | 877 | } else { |
b217df10 VK |
878 | printf("%*s%s%-*s ", addr_len, addr, delim, port_len, port); |
879 | } | |
880 | } | |
881 | ||
882 | static void sock_addr_print(const char *addr, char *delim, const char *port, | |
883 | const char *ifname) | |
884 | { | |
885 | sock_addr_print_width(addr_width, addr, delim, serv_width, port, ifname); | |
886 | } | |
887 | ||
7d105b56 | 888 | static const char *tmr_name[] = { |
aba5acdf SH |
889 | "off", |
890 | "on", | |
891 | "keepalive", | |
892 | "timewait", | |
893 | "persist", | |
894 | "unknown" | |
895 | }; | |
896 | ||
d1f28cf1 | 897 | static const char *print_ms_timer(int timeout) |
aba5acdf SH |
898 | { |
899 | static char buf[64]; | |
900 | int secs, msecs, minutes; | |
acd1e437 | 901 | |
aba5acdf SH |
902 | if (timeout < 0) |
903 | timeout = 0; | |
904 | secs = timeout/1000; | |
905 | minutes = secs/60; | |
906 | secs = secs%60; | |
907 | msecs = timeout%1000; | |
908 | buf[0] = 0; | |
909 | if (minutes) { | |
910 | msecs = 0; | |
911 | snprintf(buf, sizeof(buf)-16, "%dmin", minutes); | |
912 | if (minutes > 9) | |
913 | secs = 0; | |
914 | } | |
915 | if (secs) { | |
916 | if (secs > 9) | |
917 | msecs = 0; | |
918 | sprintf(buf+strlen(buf), "%d%s", secs, msecs ? "." : "sec"); | |
919 | } | |
920 | if (msecs) | |
921 | sprintf(buf+strlen(buf), "%03dms", msecs); | |
922 | return buf; | |
e7113c61 | 923 | } |
aba5acdf | 924 | |
22588a0e | 925 | struct scache { |
aba5acdf SH |
926 | struct scache *next; |
927 | int port; | |
928 | char *name; | |
929 | const char *proto; | |
930 | }; | |
931 | ||
932 | struct scache *rlist; | |
933 | ||
d1f28cf1 | 934 | static void init_service_resolver(void) |
aba5acdf SH |
935 | { |
936 | char buf[128]; | |
937 | FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r"); | |
596307ea PS |
938 | |
939 | if (!fp) | |
940 | return; | |
941 | ||
942 | if (!fgets(buf, sizeof(buf), fp)) { | |
2bcc3c16 | 943 | pclose(fp); |
596307ea PS |
944 | return; |
945 | } | |
946 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
947 | unsigned int progn, port; | |
948 | char proto[128], prog[128] = "rpc."; | |
949 | struct scache *c; | |
950 | ||
951 | if (sscanf(buf, "%u %*d %s %u %s", | |
acd1e437 | 952 | &progn, proto, &port, prog+4) != 4) |
596307ea PS |
953 | continue; |
954 | ||
955 | if (!(c = malloc(sizeof(*c)))) | |
956 | continue; | |
957 | ||
958 | c->port = port; | |
959 | c->name = strdup(prog); | |
960 | if (strcmp(proto, TCP_PROTO) == 0) | |
961 | c->proto = TCP_PROTO; | |
962 | else if (strcmp(proto, UDP_PROTO) == 0) | |
963 | c->proto = UDP_PROTO; | |
f89d46ad PS |
964 | else if (strcmp(proto, SCTP_PROTO) == 0) |
965 | c->proto = SCTP_PROTO; | |
596307ea PS |
966 | else |
967 | c->proto = NULL; | |
968 | c->next = rlist; | |
969 | rlist = c; | |
aba5acdf | 970 | } |
596307ea | 971 | pclose(fp); |
aba5acdf SH |
972 | } |
973 | ||
ab61159a SH |
974 | /* Even do not try default linux ephemeral port ranges: |
975 | * default /etc/services contains so much of useless crap | |
976 | * wouldbe "allocated" to this area that resolution | |
977 | * is really harmful. I shrug each time when seeing | |
978 | * "socks" or "cfinger" in dumps. | |
979 | */ | |
980 | static int is_ephemeral(int port) | |
981 | { | |
acd1e437 | 982 | static int min = 0, max; |
c29d3792 PS |
983 | |
984 | if (!min) { | |
ab01dbbb | 985 | FILE *f = ephemeral_ports_open(); |
acd1e437 | 986 | |
c29d3792 PS |
987 | if (!f || fscanf(f, "%d %d", &min, &max) < 2) { |
988 | min = 1024; | |
989 | max = 4999; | |
ab61159a | 990 | } |
c29d3792 PS |
991 | if (f) |
992 | fclose(f); | |
ab61159a | 993 | } |
c29d3792 | 994 | return port >= min && port <= max; |
ab61159a SH |
995 | } |
996 | ||
997 | ||
d1f28cf1 | 998 | static const char *__resolve_service(int port) |
aba5acdf SH |
999 | { |
1000 | struct scache *c; | |
1001 | ||
1002 | for (c = rlist; c; c = c->next) { | |
1003 | if (c->port == port && c->proto == dg_proto) | |
1004 | return c->name; | |
1005 | } | |
1006 | ||
ab61159a | 1007 | if (!is_ephemeral(port)) { |
aba5acdf SH |
1008 | static int notfirst; |
1009 | struct servent *se; | |
acd1e437 | 1010 | |
aba5acdf SH |
1011 | if (!notfirst) { |
1012 | setservent(1); | |
1013 | notfirst = 1; | |
ae665a52 | 1014 | } |
aba5acdf SH |
1015 | se = getservbyport(htons(port), dg_proto); |
1016 | if (se) | |
1017 | return se->s_name; | |
1018 | } | |
1019 | ||
1020 | return NULL; | |
1021 | } | |
1022 | ||
22588a0e ED |
1023 | #define SCACHE_BUCKETS 1024 |
1024 | static struct scache *cache_htab[SCACHE_BUCKETS]; | |
aba5acdf | 1025 | |
d1f28cf1 | 1026 | static const char *resolve_service(int port) |
aba5acdf SH |
1027 | { |
1028 | static char buf[128]; | |
22588a0e ED |
1029 | struct scache *c; |
1030 | const char *res; | |
1031 | int hash; | |
aba5acdf SH |
1032 | |
1033 | if (port == 0) { | |
1034 | buf[0] = '*'; | |
1035 | buf[1] = 0; | |
1036 | return buf; | |
1037 | } | |
1038 | ||
22588a0e ED |
1039 | if (!resolve_services) |
1040 | goto do_numeric; | |
aba5acdf | 1041 | |
22588a0e ED |
1042 | if (dg_proto == RAW_PROTO) |
1043 | return inet_proto_n2a(port, buf, sizeof(buf)); | |
1044 | ||
1045 | ||
1046 | hash = (port^(((unsigned long)dg_proto)>>2)) % SCACHE_BUCKETS; | |
1047 | ||
1048 | for (c = cache_htab[hash]; c; c = c->next) { | |
1049 | if (c->port == port && c->proto == dg_proto) | |
1050 | goto do_cache; | |
aba5acdf SH |
1051 | } |
1052 | ||
22588a0e ED |
1053 | c = malloc(sizeof(*c)); |
1054 | if (!c) | |
1055 | goto do_numeric; | |
1056 | res = __resolve_service(port); | |
1057 | c->port = port; | |
1058 | c->name = res ? strdup(res) : NULL; | |
1059 | c->proto = dg_proto; | |
1060 | c->next = cache_htab[hash]; | |
1061 | cache_htab[hash] = c; | |
1062 | ||
1063 | do_cache: | |
1064 | if (c->name) | |
1065 | return c->name; | |
1066 | ||
1067 | do_numeric: | |
aba5acdf SH |
1068 | sprintf(buf, "%u", port); |
1069 | return buf; | |
1070 | } | |
1071 | ||
b217df10 | 1072 | static void inet_addr_print(const inet_prefix *a, int port, unsigned int ifindex) |
aba5acdf SH |
1073 | { |
1074 | char buf[1024]; | |
1075 | const char *ap = buf; | |
b217df10 VK |
1076 | int est_len = addr_width; |
1077 | const char *ifname = NULL; | |
aba5acdf SH |
1078 | |
1079 | if (a->family == AF_INET) { | |
1080 | if (a->data[0] == 0) { | |
1081 | buf[0] = '*'; | |
1082 | buf[1] = 0; | |
1083 | } else { | |
a418e451 | 1084 | ap = format_host(AF_INET, 4, a->data); |
aba5acdf SH |
1085 | } |
1086 | } else { | |
a418e451 | 1087 | ap = format_host(a->family, 16, a->data); |
aba5acdf SH |
1088 | est_len = strlen(ap); |
1089 | if (est_len <= addr_width) | |
1090 | est_len = addr_width; | |
1091 | else | |
1092 | est_len = addr_width + ((est_len-addr_width+3)/4)*4; | |
1093 | } | |
b217df10 | 1094 | |
7c8a3cfb | 1095 | if (ifindex) { |
b217df10 VK |
1096 | ifname = ll_index_to_name(ifindex); |
1097 | est_len -= strlen(ifname) + 1; /* +1 for percent char */ | |
4fcfb6bc MS |
1098 | if (est_len < 0) |
1099 | est_len = 0; | |
b217df10 | 1100 | } |
7c8a3cfb | 1101 | |
b217df10 VK |
1102 | sock_addr_print_width(est_len, ap, ":", serv_width, resolve_service(port), |
1103 | ifname); | |
aba5acdf SH |
1104 | } |
1105 | ||
acd1e437 | 1106 | struct aafilter { |
aba5acdf SH |
1107 | inet_prefix addr; |
1108 | int port; | |
2d293212 | 1109 | unsigned int iface; |
ec75249b LC |
1110 | __u32 mark; |
1111 | __u32 mask; | |
aba5acdf SH |
1112 | struct aafilter *next; |
1113 | }; | |
1114 | ||
d1f28cf1 SH |
1115 | static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p, |
1116 | int plen) | |
aba5acdf SH |
1117 | { |
1118 | if (!inet_addr_match(a, p, plen)) | |
1119 | return 0; | |
7d105b56 | 1120 | |
aba5acdf SH |
1121 | /* Cursed "v4 mapped" addresses: v4 mapped socket matches |
1122 | * pure IPv4 rule, but v4-mapped rule selects only v4-mapped | |
1123 | * sockets. Fair? */ | |
1124 | if (p->family == AF_INET && a->family == AF_INET6) { | |
1125 | if (a->data[0] == 0 && a->data[1] == 0 && | |
1126 | a->data[2] == htonl(0xffff)) { | |
1127 | inet_prefix tmp = *a; | |
acd1e437 | 1128 | |
aba5acdf SH |
1129 | tmp.data[0] = a->data[3]; |
1130 | return inet_addr_match(&tmp, p, plen); | |
1131 | } | |
1132 | } | |
1133 | return 1; | |
1134 | } | |
1135 | ||
d1f28cf1 | 1136 | static int unix_match(const inet_prefix *a, const inet_prefix *p) |
aba5acdf | 1137 | { |
99bb68ff | 1138 | char *addr, *pattern; |
acd1e437 | 1139 | |
99bb68ff VK |
1140 | memcpy(&addr, a->data, sizeof(addr)); |
1141 | memcpy(&pattern, p->data, sizeof(pattern)); | |
aba5acdf SH |
1142 | if (pattern == NULL) |
1143 | return 1; | |
1144 | if (addr == NULL) | |
1145 | addr = ""; | |
1146 | return !fnmatch(pattern, addr, 0); | |
1147 | } | |
1148 | ||
055840f2 | 1149 | static int run_ssfilter(struct ssfilter *f, struct sockstat *s) |
aba5acdf SH |
1150 | { |
1151 | switch (f->type) { | |
1152 | case SSF_S_AUTO: | |
1153 | { | |
aba5acdf | 1154 | if (s->local.family == AF_UNIX) { |
99bb68ff | 1155 | char *p; |
acd1e437 | 1156 | |
99bb68ff | 1157 | memcpy(&p, s->local.data, sizeof(p)); |
aba5acdf | 1158 | return p == NULL || (p[0] == '@' && strlen(p) == 6 && |
ae665a52 | 1159 | strspn(p+1, "0123456789abcdef") == 5); |
aba5acdf SH |
1160 | } |
1161 | if (s->local.family == AF_PACKET) | |
bbd303d1 | 1162 | return s->lport == 0 && s->local.data[0] == 0; |
aba5acdf SH |
1163 | if (s->local.family == AF_NETLINK) |
1164 | return s->lport < 0; | |
1165 | ||
c29d3792 | 1166 | return is_ephemeral(s->lport); |
aba5acdf SH |
1167 | } |
1168 | case SSF_DCOND: | |
1169 | { | |
acd1e437 SH |
1170 | struct aafilter *a = (void *)f->pred; |
1171 | ||
aba5acdf SH |
1172 | if (a->addr.family == AF_UNIX) |
1173 | return unix_match(&s->remote, &a->addr); | |
1174 | if (a->port != -1 && a->port != s->rport) | |
1175 | return 0; | |
1176 | if (a->addr.bitlen) { | |
1177 | do { | |
1178 | if (!inet2_addr_match(&s->remote, &a->addr, a->addr.bitlen)) | |
1179 | return 1; | |
1180 | } while ((a = a->next) != NULL); | |
1181 | return 0; | |
1182 | } | |
1183 | return 1; | |
1184 | } | |
1185 | case SSF_SCOND: | |
1186 | { | |
acd1e437 SH |
1187 | struct aafilter *a = (void *)f->pred; |
1188 | ||
aba5acdf SH |
1189 | if (a->addr.family == AF_UNIX) |
1190 | return unix_match(&s->local, &a->addr); | |
1191 | if (a->port != -1 && a->port != s->lport) | |
1192 | return 0; | |
1193 | if (a->addr.bitlen) { | |
1194 | do { | |
1195 | if (!inet2_addr_match(&s->local, &a->addr, a->addr.bitlen)) | |
1196 | return 1; | |
ae665a52 | 1197 | } while ((a = a->next) != NULL); |
aba5acdf SH |
1198 | return 0; |
1199 | } | |
1200 | return 1; | |
1201 | } | |
1202 | case SSF_D_GE: | |
1203 | { | |
acd1e437 SH |
1204 | struct aafilter *a = (void *)f->pred; |
1205 | ||
aba5acdf SH |
1206 | return s->rport >= a->port; |
1207 | } | |
1208 | case SSF_D_LE: | |
1209 | { | |
acd1e437 SH |
1210 | struct aafilter *a = (void *)f->pred; |
1211 | ||
aba5acdf SH |
1212 | return s->rport <= a->port; |
1213 | } | |
1214 | case SSF_S_GE: | |
1215 | { | |
acd1e437 SH |
1216 | struct aafilter *a = (void *)f->pred; |
1217 | ||
aba5acdf SH |
1218 | return s->lport >= a->port; |
1219 | } | |
1220 | case SSF_S_LE: | |
1221 | { | |
acd1e437 SH |
1222 | struct aafilter *a = (void *)f->pred; |
1223 | ||
aba5acdf SH |
1224 | return s->lport <= a->port; |
1225 | } | |
2d293212 DA |
1226 | case SSF_DEVCOND: |
1227 | { | |
1228 | struct aafilter *a = (void *)f->pred; | |
aba5acdf | 1229 | |
2d293212 | 1230 | return s->iface == a->iface; |
ec75249b LC |
1231 | } |
1232 | case SSF_MARKMASK: | |
1233 | { | |
1234 | struct aafilter *a = (void *)f->pred; | |
1235 | ||
1236 | return (s->mark & a->mask) == a->mark; | |
2d293212 | 1237 | } |
aba5acdf SH |
1238 | /* Yup. It is recursion. Sorry. */ |
1239 | case SSF_AND: | |
1240 | return run_ssfilter(f->pred, s) && run_ssfilter(f->post, s); | |
1241 | case SSF_OR: | |
1242 | return run_ssfilter(f->pred, s) || run_ssfilter(f->post, s); | |
1243 | case SSF_NOT: | |
1244 | return !run_ssfilter(f->pred, s); | |
1245 | default: | |
1246 | abort(); | |
1247 | } | |
1248 | } | |
1249 | ||
ae665a52 | 1250 | /* Relocate external jumps by reloc. */ |
b4b0b7d5 | 1251 | static void ssfilter_patch(char *a, int len, int reloc) |
aba5acdf SH |
1252 | { |
1253 | while (len > 0) { | |
acd1e437 SH |
1254 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)a; |
1255 | ||
aba5acdf SH |
1256 | if (op->no == len+4) |
1257 | op->no += reloc; | |
1258 | len -= op->yes; | |
1259 | a += op->yes; | |
1260 | } | |
1261 | if (len < 0) | |
1262 | abort(); | |
1263 | } | |
1264 | ||
b4b0b7d5 | 1265 | static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode) |
aba5acdf SH |
1266 | { |
1267 | switch (f->type) { | |
1268 | case SSF_S_AUTO: | |
1269 | { | |
acd1e437 SH |
1270 | if (!(*bytecode = malloc(4))) abort(); |
1271 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 }; | |
df39de8d | 1272 | return 4; |
aba5acdf SH |
1273 | } |
1274 | case SSF_DCOND: | |
1275 | case SSF_SCOND: | |
1276 | { | |
acd1e437 | 1277 | struct aafilter *a = (void *)f->pred; |
aba5acdf SH |
1278 | struct aafilter *b; |
1279 | char *ptr; | |
351efcde | 1280 | int code = (f->type == SSF_DCOND ? INET_DIAG_BC_D_COND : INET_DIAG_BC_S_COND); |
aba5acdf SH |
1281 | int len = 0; |
1282 | ||
acd1e437 | 1283 | for (b = a; b; b = b->next) { |
351efcde | 1284 | len += 4 + sizeof(struct inet_diag_hostcond); |
aba5acdf SH |
1285 | if (a->addr.family == AF_INET6) |
1286 | len += 16; | |
1287 | else | |
1288 | len += 4; | |
1289 | if (b->next) | |
1290 | len += 4; | |
1291 | } | |
1292 | if (!(ptr = malloc(len))) abort(); | |
1293 | *bytecode = ptr; | |
acd1e437 | 1294 | for (b = a; b; b = b->next) { |
351efcde | 1295 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)ptr; |
aba5acdf | 1296 | int alen = (a->addr.family == AF_INET6 ? 16 : 4); |
351efcde | 1297 | int oplen = alen + 4 + sizeof(struct inet_diag_hostcond); |
acd1e437 | 1298 | struct inet_diag_hostcond *cond = (struct inet_diag_hostcond *)(ptr+4); |
aba5acdf | 1299 | |
351efcde | 1300 | *op = (struct inet_diag_bc_op){ code, oplen, oplen+4 }; |
aba5acdf SH |
1301 | cond->family = a->addr.family; |
1302 | cond->port = a->port; | |
1303 | cond->prefix_len = a->addr.bitlen; | |
1304 | memcpy(cond->addr, a->addr.data, alen); | |
1305 | ptr += oplen; | |
1306 | if (b->next) { | |
351efcde SH |
1307 | op = (struct inet_diag_bc_op *)ptr; |
1308 | *op = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, len - (ptr-*bytecode)}; | |
aba5acdf SH |
1309 | ptr += 4; |
1310 | } | |
1311 | } | |
1312 | return ptr - *bytecode; | |
1313 | } | |
1314 | case SSF_D_GE: | |
1315 | { | |
acd1e437 SH |
1316 | struct aafilter *x = (void *)f->pred; |
1317 | ||
1318 | if (!(*bytecode = malloc(8))) abort(); | |
1319 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_GE, 8, 12 }; | |
1320 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1321 | return 8; |
1322 | } | |
1323 | case SSF_D_LE: | |
1324 | { | |
acd1e437 SH |
1325 | struct aafilter *x = (void *)f->pred; |
1326 | ||
1327 | if (!(*bytecode = malloc(8))) abort(); | |
1328 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_LE, 8, 12 }; | |
1329 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1330 | return 8; |
1331 | } | |
1332 | case SSF_S_GE: | |
1333 | { | |
acd1e437 SH |
1334 | struct aafilter *x = (void *)f->pred; |
1335 | ||
1336 | if (!(*bytecode = malloc(8))) abort(); | |
1337 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_GE, 8, 12 }; | |
1338 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1339 | return 8; |
1340 | } | |
1341 | case SSF_S_LE: | |
1342 | { | |
acd1e437 SH |
1343 | struct aafilter *x = (void *)f->pred; |
1344 | ||
1345 | if (!(*bytecode = malloc(8))) abort(); | |
1346 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_LE, 8, 12 }; | |
1347 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1348 | return 8; |
1349 | } | |
1350 | ||
1351 | case SSF_AND: | |
1352 | { | |
376fb868 | 1353 | char *a1 = NULL, *a2 = NULL, *a; |
2a4fa1c3 | 1354 | int l1, l2; |
acd1e437 | 1355 | |
aba5acdf SH |
1356 | l1 = ssfilter_bytecompile(f->pred, &a1); |
1357 | l2 = ssfilter_bytecompile(f->post, &a2); | |
376fb868 DA |
1358 | if (!l1 || !l2) { |
1359 | free(a1); | |
1360 | free(a2); | |
1361 | return 0; | |
1362 | } | |
aba5acdf SH |
1363 | if (!(a = malloc(l1+l2))) abort(); |
1364 | memcpy(a, a1, l1); | |
1365 | memcpy(a+l1, a2, l2); | |
1366 | free(a1); free(a2); | |
1367 | ssfilter_patch(a, l1, l2); | |
1368 | *bytecode = a; | |
1369 | return l1+l2; | |
1370 | } | |
1371 | case SSF_OR: | |
1372 | { | |
376fb868 | 1373 | char *a1 = NULL, *a2 = NULL, *a; |
2a4fa1c3 | 1374 | int l1, l2; |
acd1e437 | 1375 | |
aba5acdf SH |
1376 | l1 = ssfilter_bytecompile(f->pred, &a1); |
1377 | l2 = ssfilter_bytecompile(f->post, &a2); | |
376fb868 DA |
1378 | if (!l1 || !l2) { |
1379 | free(a1); | |
1380 | free(a2); | |
1381 | return 0; | |
1382 | } | |
aba5acdf SH |
1383 | if (!(a = malloc(l1+l2+4))) abort(); |
1384 | memcpy(a, a1, l1); | |
1385 | memcpy(a+l1+4, a2, l2); | |
1386 | free(a1); free(a2); | |
acd1e437 | 1387 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, l2+4 }; |
aba5acdf SH |
1388 | *bytecode = a; |
1389 | return l1+l2+4; | |
1390 | } | |
1391 | case SSF_NOT: | |
1392 | { | |
376fb868 | 1393 | char *a1 = NULL, *a; |
2a4fa1c3 | 1394 | int l1; |
acd1e437 | 1395 | |
aba5acdf | 1396 | l1 = ssfilter_bytecompile(f->pred, &a1); |
376fb868 DA |
1397 | if (!l1) { |
1398 | free(a1); | |
1399 | return 0; | |
1400 | } | |
aba5acdf SH |
1401 | if (!(a = malloc(l1+4))) abort(); |
1402 | memcpy(a, a1, l1); | |
1403 | free(a1); | |
acd1e437 | 1404 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, 8 }; |
aba5acdf SH |
1405 | *bytecode = a; |
1406 | return l1+4; | |
2d293212 DA |
1407 | } |
1408 | case SSF_DEVCOND: | |
1409 | { | |
1410 | /* bytecompile for SSF_DEVCOND not supported yet */ | |
1411 | return 0; | |
ec75249b LC |
1412 | } |
1413 | case SSF_MARKMASK: | |
1414 | { | |
1415 | struct aafilter *a = (void *)f->pred; | |
1416 | struct instr { | |
1417 | struct inet_diag_bc_op op; | |
1418 | struct inet_diag_markcond cond; | |
1419 | }; | |
1420 | int inslen = sizeof(struct instr); | |
1421 | ||
1422 | if (!(*bytecode = malloc(inslen))) abort(); | |
1423 | ((struct instr *)*bytecode)[0] = (struct instr) { | |
1424 | { INET_DIAG_BC_MARK_COND, inslen, inslen + 4 }, | |
1425 | { a->mark, a->mask}, | |
1426 | }; | |
1427 | ||
1428 | return inslen; | |
aba5acdf SH |
1429 | } |
1430 | default: | |
1431 | abort(); | |
1432 | } | |
1433 | } | |
1434 | ||
b4b0b7d5 | 1435 | static int remember_he(struct aafilter *a, struct hostent *he) |
aba5acdf | 1436 | { |
ae665a52 | 1437 | char **ptr = he->h_addr_list; |
aba5acdf SH |
1438 | int cnt = 0; |
1439 | int len; | |
1440 | ||
1441 | if (he->h_addrtype == AF_INET) | |
1442 | len = 4; | |
1443 | else if (he->h_addrtype == AF_INET6) | |
1444 | len = 16; | |
1445 | else | |
1446 | return 0; | |
1447 | ||
1448 | while (*ptr) { | |
1449 | struct aafilter *b = a; | |
acd1e437 | 1450 | |
aba5acdf SH |
1451 | if (a->addr.bitlen) { |
1452 | if ((b = malloc(sizeof(*b))) == NULL) | |
1453 | return cnt; | |
1454 | *b = *a; | |
1455 | b->next = a->next; | |
1456 | a->next = b; | |
1457 | } | |
1458 | memcpy(b->addr.data, *ptr, len); | |
1459 | b->addr.bytelen = len; | |
1460 | b->addr.bitlen = len*8; | |
1461 | b->addr.family = he->h_addrtype; | |
1462 | ptr++; | |
1463 | cnt++; | |
1464 | } | |
1465 | return cnt; | |
1466 | } | |
1467 | ||
b4b0b7d5 | 1468 | static int get_dns_host(struct aafilter *a, const char *addr, int fam) |
aba5acdf SH |
1469 | { |
1470 | static int notfirst; | |
1471 | int cnt = 0; | |
1472 | struct hostent *he; | |
1473 | ||
1474 | a->addr.bitlen = 0; | |
1475 | if (!notfirst) { | |
1476 | sethostent(1); | |
1477 | notfirst = 1; | |
1478 | } | |
1479 | he = gethostbyname2(addr, fam == AF_UNSPEC ? AF_INET : fam); | |
1480 | if (he) | |
1481 | cnt = remember_he(a, he); | |
1482 | if (fam == AF_UNSPEC) { | |
1483 | he = gethostbyname2(addr, AF_INET6); | |
1484 | if (he) | |
1485 | cnt += remember_he(a, he); | |
1486 | } | |
1487 | return !cnt; | |
1488 | } | |
1489 | ||
acd1e437 | 1490 | static int xll_initted; |
aba5acdf | 1491 | |
b4b0b7d5 | 1492 | static void xll_init(void) |
aba5acdf SH |
1493 | { |
1494 | struct rtnl_handle rth; | |
acd1e437 | 1495 | |
d2468da0 SH |
1496 | if (rtnl_open(&rth, 0) < 0) |
1497 | exit(1); | |
1498 | ||
aba5acdf SH |
1499 | ll_init_map(&rth); |
1500 | rtnl_close(&rth); | |
1501 | xll_initted = 1; | |
1502 | } | |
1503 | ||
b4b0b7d5 | 1504 | static const char *xll_index_to_name(int index) |
aba5acdf SH |
1505 | { |
1506 | if (!xll_initted) | |
1507 | xll_init(); | |
1508 | return ll_index_to_name(index); | |
1509 | } | |
1510 | ||
b4b0b7d5 | 1511 | static int xll_name_to_index(const char *dev) |
aba5acdf SH |
1512 | { |
1513 | if (!xll_initted) | |
1514 | xll_init(); | |
1515 | return ll_name_to_index(dev); | |
1516 | } | |
1517 | ||
2d293212 DA |
1518 | void *parse_devcond(char *name) |
1519 | { | |
1520 | struct aafilter a = { .iface = 0 }; | |
1521 | struct aafilter *res; | |
1522 | ||
1523 | a.iface = xll_name_to_index(name); | |
1524 | if (a.iface == 0) { | |
1525 | char *end; | |
930d3f28 | 1526 | unsigned long n; |
2d293212 | 1527 | |
930d3f28 DA |
1528 | n = strtoul(name, &end, 0); |
1529 | if (!end || end == name || *end || n > UINT_MAX) | |
2d293212 | 1530 | return NULL; |
930d3f28 DA |
1531 | |
1532 | a.iface = n; | |
2d293212 DA |
1533 | } |
1534 | ||
1535 | res = malloc(sizeof(*res)); | |
1536 | *res = a; | |
1537 | ||
1538 | return res; | |
1539 | } | |
1540 | ||
7871f7db | 1541 | void *parse_hostcond(char *addr, bool is_port) |
aba5acdf SH |
1542 | { |
1543 | char *port = NULL; | |
1527a17e | 1544 | struct aafilter a = { .port = -1 }; |
aba5acdf | 1545 | struct aafilter *res; |
1527a17e | 1546 | int fam = preferred_family; |
9db7bf15 | 1547 | struct filter *f = ¤t_filter; |
aba5acdf | 1548 | |
1527a17e | 1549 | if (fam == AF_UNIX || strncmp(addr, "unix:", 5) == 0) { |
aba5acdf | 1550 | char *p; |
acd1e437 | 1551 | |
aba5acdf SH |
1552 | a.addr.family = AF_UNIX; |
1553 | if (strncmp(addr, "unix:", 5) == 0) | |
acd1e437 | 1554 | addr += 5; |
aba5acdf SH |
1555 | p = strdup(addr); |
1556 | a.addr.bitlen = 8*strlen(p); | |
99bb68ff | 1557 | memcpy(a.addr.data, &p, sizeof(p)); |
9db7bf15 | 1558 | fam = AF_UNIX; |
aba5acdf SH |
1559 | goto out; |
1560 | } | |
1561 | ||
1527a17e | 1562 | if (fam == AF_PACKET || strncmp(addr, "link:", 5) == 0) { |
aba5acdf SH |
1563 | a.addr.family = AF_PACKET; |
1564 | a.addr.bitlen = 0; | |
1565 | if (strncmp(addr, "link:", 5) == 0) | |
acd1e437 | 1566 | addr += 5; |
aba5acdf SH |
1567 | port = strchr(addr, ':'); |
1568 | if (port) { | |
1569 | *port = 0; | |
1570 | if (port[1] && strcmp(port+1, "*")) { | |
1571 | if (get_integer(&a.port, port+1, 0)) { | |
1572 | if ((a.port = xll_name_to_index(port+1)) <= 0) | |
1573 | return NULL; | |
1574 | } | |
1575 | } | |
1576 | } | |
1577 | if (addr[0] && strcmp(addr, "*")) { | |
1578 | unsigned short tmp; | |
acd1e437 | 1579 | |
aba5acdf SH |
1580 | a.addr.bitlen = 32; |
1581 | if (ll_proto_a2n(&tmp, addr)) | |
1582 | return NULL; | |
1583 | a.addr.data[0] = ntohs(tmp); | |
1584 | } | |
9db7bf15 | 1585 | fam = AF_PACKET; |
aba5acdf SH |
1586 | goto out; |
1587 | } | |
1588 | ||
1527a17e | 1589 | if (fam == AF_NETLINK || strncmp(addr, "netlink:", 8) == 0) { |
aba5acdf SH |
1590 | a.addr.family = AF_NETLINK; |
1591 | a.addr.bitlen = 0; | |
1592 | if (strncmp(addr, "netlink:", 8) == 0) | |
acd1e437 | 1593 | addr += 8; |
aba5acdf SH |
1594 | port = strchr(addr, ':'); |
1595 | if (port) { | |
1596 | *port = 0; | |
1597 | if (port[1] && strcmp(port+1, "*")) { | |
1598 | if (get_integer(&a.port, port+1, 0)) { | |
1599 | if (strcmp(port+1, "kernel") == 0) | |
1600 | a.port = 0; | |
1601 | else | |
1602 | return NULL; | |
1603 | } | |
1604 | } | |
1605 | } | |
1606 | if (addr[0] && strcmp(addr, "*")) { | |
1607 | a.addr.bitlen = 32; | |
b00daf6a | 1608 | if (nl_proto_a2n(&a.addr.data[0], addr) == -1) |
1609 | return NULL; | |
aba5acdf | 1610 | } |
9db7bf15 | 1611 | fam = AF_NETLINK; |
aba5acdf SH |
1612 | goto out; |
1613 | } | |
1614 | ||
1527a17e | 1615 | if (fam == AF_INET || !strncmp(addr, "inet:", 5)) { |
aba5acdf | 1616 | fam = AF_INET; |
1527a17e VK |
1617 | if (!strncmp(addr, "inet:", 5)) |
1618 | addr += 5; | |
1619 | } else if (fam == AF_INET6 || !strncmp(addr, "inet6:", 6)) { | |
aba5acdf | 1620 | fam = AF_INET6; |
1527a17e VK |
1621 | if (!strncmp(addr, "inet6:", 6)) |
1622 | addr += 6; | |
aba5acdf SH |
1623 | } |
1624 | ||
1625 | /* URL-like literal [] */ | |
1626 | if (addr[0] == '[') { | |
1627 | addr++; | |
1628 | if ((port = strchr(addr, ']')) == NULL) | |
1629 | return NULL; | |
1630 | *port++ = 0; | |
1631 | } else if (addr[0] == '*') { | |
1632 | port = addr+1; | |
1633 | } else { | |
1634 | port = strrchr(strchr(addr, '/') ? : addr, ':'); | |
1635 | } | |
7871f7db VK |
1636 | |
1637 | if (is_port) | |
1638 | port = addr; | |
1639 | ||
aba5acdf | 1640 | if (port && *port) { |
7871f7db VK |
1641 | if (*port == ':') |
1642 | *port++ = 0; | |
1643 | ||
aba5acdf SH |
1644 | if (*port && *port != '*') { |
1645 | if (get_integer(&a.port, port, 0)) { | |
1646 | struct servent *se1 = NULL; | |
1647 | struct servent *se2 = NULL; | |
acd1e437 | 1648 | |
aba5acdf SH |
1649 | if (current_filter.dbs&(1<<UDP_DB)) |
1650 | se1 = getservbyname(port, UDP_PROTO); | |
1651 | if (current_filter.dbs&(1<<TCP_DB)) | |
1652 | se2 = getservbyname(port, TCP_PROTO); | |
1653 | if (se1 && se2 && se1->s_port != se2->s_port) { | |
1654 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); | |
1655 | return NULL; | |
1656 | } | |
1657 | if (!se1) | |
1658 | se1 = se2; | |
1659 | if (se1) { | |
1660 | a.port = ntohs(se1->s_port); | |
1661 | } else { | |
1662 | struct scache *s; | |
acd1e437 | 1663 | |
aba5acdf SH |
1664 | for (s = rlist; s; s = s->next) { |
1665 | if ((s->proto == UDP_PROTO && | |
1666 | (current_filter.dbs&(1<<UDP_DB))) || | |
1667 | (s->proto == TCP_PROTO && | |
1668 | (current_filter.dbs&(1<<TCP_DB)))) { | |
1669 | if (s->name && strcmp(s->name, port) == 0) { | |
1670 | if (a.port > 0 && a.port != s->port) { | |
1671 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); | |
1672 | return NULL; | |
1673 | } | |
1674 | a.port = s->port; | |
1675 | } | |
1676 | } | |
1677 | } | |
1678 | if (a.port <= 0) { | |
1679 | fprintf(stderr, "Error: \"%s\" does not look like a port.\n", port); | |
1680 | return NULL; | |
1681 | } | |
1682 | } | |
1683 | } | |
1684 | } | |
1685 | } | |
7871f7db | 1686 | if (!is_port && addr && *addr && *addr != '*') { |
aba5acdf SH |
1687 | if (get_prefix_1(&a.addr, addr, fam)) { |
1688 | if (get_dns_host(&a, addr, fam)) { | |
1689 | fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", addr); | |
1690 | return NULL; | |
1691 | } | |
1692 | } | |
1693 | } | |
1694 | ||
9db7bf15 | 1695 | out: |
1527a17e | 1696 | if (fam != AF_UNSPEC) { |
e56a959e | 1697 | int states = f->states; |
1527a17e | 1698 | f->families = 0; |
9db7bf15 | 1699 | filter_af_set(f, fam); |
e56a959e | 1700 | filter_states_set(f, states); |
1527a17e | 1701 | } |
9db7bf15 | 1702 | |
aba5acdf SH |
1703 | res = malloc(sizeof(*res)); |
1704 | if (res) | |
1705 | memcpy(res, &a, sizeof(a)); | |
1706 | return res; | |
1707 | } | |
1708 | ||
ec75249b LC |
1709 | void *parse_markmask(const char *markmask) |
1710 | { | |
1711 | struct aafilter a, *res; | |
1712 | ||
1713 | if (strchr(markmask, '/')) { | |
1714 | if (sscanf(markmask, "%i/%i", &a.mark, &a.mask) != 2) | |
1715 | return NULL; | |
1716 | } else { | |
1717 | a.mask = 0xffffffff; | |
1718 | if (sscanf(markmask, "%i", &a.mark) != 1) | |
1719 | return NULL; | |
1720 | } | |
1721 | ||
1722 | res = malloc(sizeof(*res)); | |
1723 | if (res) | |
1724 | memcpy(res, &a, sizeof(a)); | |
1725 | return res; | |
1726 | } | |
1727 | ||
8250bc9f VK |
1728 | static char *proto_name(int protocol) |
1729 | { | |
1730 | switch (protocol) { | |
235c4453 NA |
1731 | case 0: |
1732 | return "raw"; | |
8250bc9f VK |
1733 | case IPPROTO_UDP: |
1734 | return "udp"; | |
1735 | case IPPROTO_TCP: | |
1736 | return "tcp"; | |
f89d46ad PS |
1737 | case IPPROTO_SCTP: |
1738 | return "sctp"; | |
8250bc9f VK |
1739 | case IPPROTO_DCCP: |
1740 | return "dccp"; | |
1741 | } | |
1742 | ||
1743 | return "???"; | |
1744 | } | |
1745 | ||
055840f2 | 1746 | static void inet_stats_print(struct sockstat *s, int protocol) |
8250bc9f VK |
1747 | { |
1748 | char *buf = NULL; | |
1749 | ||
2d791bc8 | 1750 | sock_state_print(s, proto_name(protocol)); |
8250bc9f | 1751 | |
b217df10 VK |
1752 | inet_addr_print(&s->local, s->lport, s->iface); |
1753 | inet_addr_print(&s->remote, s->rport, 0); | |
8250bc9f | 1754 | |
8250bc9f VK |
1755 | if (show_proc_ctx || show_sock_ctx) { |
1756 | if (find_entry(s->ino, &buf, | |
1757 | (show_proc_ctx & show_sock_ctx) ? | |
1758 | PROC_SOCK_CTX : PROC_CTX) > 0) { | |
1759 | printf(" users:(%s)", buf); | |
1760 | free(buf); | |
1761 | } | |
1762 | } else if (show_users) { | |
1763 | if (find_entry(s->ino, &buf, USERS) > 0) { | |
1764 | printf(" users:(%s)", buf); | |
1765 | free(buf); | |
1766 | } | |
1767 | } | |
1768 | } | |
1769 | ||
055840f2 | 1770 | static int proc_parse_inet_addr(char *loc, char *rem, int family, struct |
acd1e437 | 1771 | sockstat * s) |
8250bc9f VK |
1772 | { |
1773 | s->local.family = s->remote.family = family; | |
1774 | if (family == AF_INET) { | |
acd1e437 SH |
1775 | sscanf(loc, "%x:%x", s->local.data, (unsigned *)&s->lport); |
1776 | sscanf(rem, "%x:%x", s->remote.data, (unsigned *)&s->rport); | |
8250bc9f VK |
1777 | s->local.bytelen = s->remote.bytelen = 4; |
1778 | return 0; | |
1779 | } else { | |
1780 | sscanf(loc, "%08x%08x%08x%08x:%x", | |
1781 | s->local.data, | |
1782 | s->local.data + 1, | |
1783 | s->local.data + 2, | |
1784 | s->local.data + 3, | |
1785 | &s->lport); | |
1786 | sscanf(rem, "%08x%08x%08x%08x:%x", | |
1787 | s->remote.data, | |
1788 | s->remote.data + 1, | |
1789 | s->remote.data + 2, | |
1790 | s->remote.data + 3, | |
1791 | &s->rport); | |
1792 | s->local.bytelen = s->remote.bytelen = 16; | |
1793 | return 0; | |
1794 | } | |
1795 | return -1; | |
1796 | } | |
1797 | ||
1798 | static int proc_inet_split_line(char *line, char **loc, char **rem, char **data) | |
aba5acdf | 1799 | { |
aba5acdf | 1800 | char *p; |
ae665a52 | 1801 | |
aba5acdf SH |
1802 | if ((p = strchr(line, ':')) == NULL) |
1803 | return -1; | |
ae665a52 | 1804 | |
8250bc9f VK |
1805 | *loc = p+2; |
1806 | if ((p = strchr(*loc, ':')) == NULL) | |
aba5acdf | 1807 | return -1; |
ae665a52 | 1808 | |
8250bc9f VK |
1809 | p[5] = 0; |
1810 | *rem = p+6; | |
1811 | if ((p = strchr(*rem, ':')) == NULL) | |
aba5acdf | 1812 | return -1; |
8250bc9f | 1813 | |
aba5acdf | 1814 | p[5] = 0; |
8250bc9f VK |
1815 | *data = p+6; |
1816 | return 0; | |
1817 | } | |
ae665a52 | 1818 | |
8250bc9f VK |
1819 | static char *sprint_bw(char *buf, double bw) |
1820 | { | |
1821 | if (bw > 1000000.) | |
acd1e437 | 1822 | sprintf(buf, "%.1fM", bw / 1000000.); |
8250bc9f | 1823 | else if (bw > 1000.) |
acd1e437 | 1824 | sprintf(buf, "%.1fK", bw / 1000.); |
8250bc9f VK |
1825 | else |
1826 | sprintf(buf, "%g", bw); | |
aba5acdf | 1827 | |
8250bc9f VK |
1828 | return buf; |
1829 | } | |
ae665a52 | 1830 | |
f89d46ad PS |
1831 | static void sctp_stats_print(struct sctp_info *s) |
1832 | { | |
1833 | if (s->sctpi_tag) | |
1834 | printf(" tag:%x", s->sctpi_tag); | |
1835 | if (s->sctpi_state) | |
1836 | printf(" state:%s", sctp_sstate_name[s->sctpi_state]); | |
1837 | if (s->sctpi_rwnd) | |
1838 | printf(" rwnd:%d", s->sctpi_rwnd); | |
1839 | if (s->sctpi_unackdata) | |
1840 | printf(" unackdata:%d", s->sctpi_unackdata); | |
1841 | if (s->sctpi_penddata) | |
1842 | printf(" penddata:%d", s->sctpi_penddata); | |
1843 | if (s->sctpi_instrms) | |
1844 | printf(" instrms:%d", s->sctpi_instrms); | |
1845 | if (s->sctpi_outstrms) | |
1846 | printf(" outstrms:%d", s->sctpi_outstrms); | |
1847 | if (s->sctpi_inqueue) | |
1848 | printf(" inqueue:%d", s->sctpi_inqueue); | |
1849 | if (s->sctpi_outqueue) | |
1850 | printf(" outqueue:%d", s->sctpi_outqueue); | |
1851 | if (s->sctpi_overall_error) | |
1852 | printf(" overerr:%d", s->sctpi_overall_error); | |
1853 | if (s->sctpi_max_burst) | |
1854 | printf(" maxburst:%d", s->sctpi_max_burst); | |
1855 | if (s->sctpi_maxseg) | |
1856 | printf(" maxseg:%d", s->sctpi_maxseg); | |
1857 | if (s->sctpi_peer_rwnd) | |
1858 | printf(" prwnd:%d", s->sctpi_peer_rwnd); | |
1859 | if (s->sctpi_peer_tag) | |
1860 | printf(" ptag:%x", s->sctpi_peer_tag); | |
1861 | if (s->sctpi_peer_capable) | |
1862 | printf(" pcapable:%d", s->sctpi_peer_capable); | |
1863 | if (s->sctpi_peer_sack) | |
1864 | printf(" psack:%d", s->sctpi_peer_sack); | |
1865 | if (s->sctpi_s_autoclose) | |
1866 | printf(" autoclose:%d", s->sctpi_s_autoclose); | |
1867 | if (s->sctpi_s_adaptation_ind) | |
1868 | printf(" adapind:%d", s->sctpi_s_adaptation_ind); | |
1869 | if (s->sctpi_s_pd_point) | |
1870 | printf(" pdpoint:%d", s->sctpi_s_pd_point); | |
1871 | if (s->sctpi_s_nodelay) | |
1872 | printf(" nodealy:%d", s->sctpi_s_nodelay); | |
1873 | if (s->sctpi_s_disable_fragments) | |
1874 | printf(" nofrag:%d", s->sctpi_s_disable_fragments); | |
1875 | if (s->sctpi_s_v4mapped) | |
1876 | printf(" v4mapped:%d", s->sctpi_s_v4mapped); | |
1877 | if (s->sctpi_s_frag_interleave) | |
1878 | printf(" fraginl:%d", s->sctpi_s_frag_interleave); | |
1879 | } | |
1880 | ||
8250bc9f VK |
1881 | static void tcp_stats_print(struct tcpstat *s) |
1882 | { | |
1883 | char b1[64]; | |
1884 | ||
1885 | if (s->has_ts_opt) | |
1886 | printf(" ts"); | |
1887 | if (s->has_sack_opt) | |
1888 | printf(" sack"); | |
1889 | if (s->has_ecn_opt) | |
1890 | printf(" ecn"); | |
1891 | if (s->has_ecnseen_opt) | |
1892 | printf(" ecnseen"); | |
1893 | if (s->has_fastopen_opt) | |
1894 | printf(" fastopen"); | |
d2055ea5 | 1895 | if (s->cong_alg[0]) |
8250bc9f VK |
1896 | printf(" %s", s->cong_alg); |
1897 | if (s->has_wscale_opt) | |
1898 | printf(" wscale:%d,%d", s->snd_wscale, s->rcv_wscale); | |
1899 | if (s->rto) | |
1900 | printf(" rto:%g", s->rto); | |
1901 | if (s->backoff) | |
1902 | printf(" backoff:%u", s->backoff); | |
1903 | if (s->rtt) | |
1904 | printf(" rtt:%g/%g", s->rtt, s->rttvar); | |
1905 | if (s->ato) | |
1906 | printf(" ato:%g", s->ato); | |
1907 | ||
1908 | if (s->qack) | |
1909 | printf(" qack:%d", s->qack); | |
1910 | if (s->qack & 1) | |
1911 | printf(" bidir"); | |
1912 | ||
1913 | if (s->mss) | |
1914 | printf(" mss:%d", s->mss); | |
3bf5445c | 1915 | if (s->cwnd) |
d1f338b3 | 1916 | printf(" cwnd:%u", s->cwnd); |
8250bc9f VK |
1917 | if (s->ssthresh) |
1918 | printf(" ssthresh:%d", s->ssthresh); | |
1919 | ||
1a4dda71 ED |
1920 | if (s->bytes_acked) |
1921 | printf(" bytes_acked:%llu", s->bytes_acked); | |
1922 | if (s->bytes_received) | |
1923 | printf(" bytes_received:%llu", s->bytes_received); | |
ecb435ea CG |
1924 | if (s->segs_out) |
1925 | printf(" segs_out:%u", s->segs_out); | |
1926 | if (s->segs_in) | |
1927 | printf(" segs_in:%u", s->segs_in); | |
414aeec9 MKL |
1928 | if (s->data_segs_out) |
1929 | printf(" data_segs_out:%u", s->data_segs_out); | |
1930 | if (s->data_segs_in) | |
1931 | printf(" data_segs_in:%u", s->data_segs_in); | |
1a4dda71 | 1932 | |
8250bc9f VK |
1933 | if (s->dctcp && s->dctcp->enabled) { |
1934 | struct dctcpstat *dctcp = s->dctcp; | |
1935 | ||
3bf5445c | 1936 | printf(" dctcp:(ce_state:%u,alpha:%u,ab_ecn:%u,ab_tot:%u)", |
8250bc9f VK |
1937 | dctcp->ce_state, dctcp->alpha, dctcp->ab_ecn, |
1938 | dctcp->ab_tot); | |
1939 | } else if (s->dctcp) { | |
3bf5445c | 1940 | printf(" dctcp:fallback_mode"); |
8250bc9f VK |
1941 | } |
1942 | ||
2f0f9aef NC |
1943 | if (s->bbr_info) { |
1944 | __u64 bw; | |
1945 | ||
1946 | bw = s->bbr_info->bbr_bw_hi; | |
1947 | bw <<= 32; | |
1948 | bw |= s->bbr_info->bbr_bw_lo; | |
1949 | ||
1950 | printf(" bbr:(bw:%sbps,mrtt:%g", | |
1951 | sprint_bw(b1, bw * 8.0), | |
1952 | (double)s->bbr_info->bbr_min_rtt / 1000.0); | |
1953 | if (s->bbr_info->bbr_pacing_gain) | |
1954 | printf(",pacing_gain:%g", | |
1955 | (double)s->bbr_info->bbr_pacing_gain / 256.0); | |
1956 | if (s->bbr_info->bbr_cwnd_gain) | |
1957 | printf(",cwnd_gain:%g", | |
1958 | (double)s->bbr_info->bbr_cwnd_gain / 256.0); | |
1959 | printf(")"); | |
1960 | } | |
1961 | ||
8250bc9f VK |
1962 | if (s->send_bps) |
1963 | printf(" send %sbps", sprint_bw(b1, s->send_bps)); | |
1964 | if (s->lastsnd) | |
1965 | printf(" lastsnd:%u", s->lastsnd); | |
1966 | if (s->lastrcv) | |
1967 | printf(" lastrcv:%u", s->lastrcv); | |
1968 | if (s->lastack) | |
1969 | printf(" lastack:%u", s->lastack); | |
1970 | ||
1971 | if (s->pacing_rate) { | |
1972 | printf(" pacing_rate %sbps", sprint_bw(b1, s->pacing_rate)); | |
1973 | if (s->pacing_rate_max) | |
1974 | printf("/%sbps", sprint_bw(b1, | |
1975 | s->pacing_rate_max)); | |
1976 | } | |
1977 | ||
2f579872 NC |
1978 | if (s->delivery_rate) |
1979 | printf(" delivery_rate %sbps", sprint_bw(b1, s->delivery_rate)); | |
1980 | if (s->app_limited) | |
1981 | printf(" app_limited"); | |
1982 | ||
8250bc9f VK |
1983 | if (s->unacked) |
1984 | printf(" unacked:%u", s->unacked); | |
1985 | if (s->retrans || s->retrans_total) | |
1986 | printf(" retrans:%u/%u", s->retrans, s->retrans_total); | |
1987 | if (s->lost) | |
1988 | printf(" lost:%u", s->lost); | |
055840f2 | 1989 | if (s->sacked && s->ss.state != SS_LISTEN) |
8250bc9f VK |
1990 | printf(" sacked:%u", s->sacked); |
1991 | if (s->fackets) | |
1992 | printf(" fackets:%u", s->fackets); | |
1993 | if (s->reordering != 3) | |
1994 | printf(" reordering:%d", s->reordering); | |
1995 | if (s->rcv_rtt) | |
1996 | printf(" rcv_rtt:%g", s->rcv_rtt); | |
1997 | if (s->rcv_space) | |
1998 | printf(" rcv_space:%d", s->rcv_space); | |
9e99e495 SH |
1999 | if (s->not_sent) |
2000 | printf(" notsent:%u", s->not_sent); | |
2001 | if (s->min_rtt) | |
2002 | printf(" minrtt:%g", s->min_rtt); | |
8250bc9f VK |
2003 | } |
2004 | ||
055840f2 VK |
2005 | static void tcp_timer_print(struct tcpstat *s) |
2006 | { | |
2007 | if (s->timer) { | |
2008 | if (s->timer > 4) | |
2009 | s->timer = 5; | |
2010 | printf(" timer:(%s,%s,%d)", | |
2011 | tmr_name[s->timer], | |
2012 | print_ms_timer(s->timeout), | |
2013 | s->retrans); | |
2014 | } | |
2015 | } | |
2016 | ||
f89d46ad PS |
2017 | static void sctp_timer_print(struct tcpstat *s) |
2018 | { | |
2019 | if (s->timer) | |
2020 | printf(" timer:(T3_RTX,%s,%d)", | |
2021 | print_ms_timer(s->timeout), s->retrans); | |
2022 | } | |
2023 | ||
8250bc9f VK |
2024 | static int tcp_show_line(char *line, const struct filter *f, int family) |
2025 | { | |
2026 | int rto = 0, ato = 0; | |
2027 | struct tcpstat s = {}; | |
2028 | char *loc, *rem, *data; | |
2029 | char opt[256]; | |
2030 | int n; | |
2031 | int hz = get_user_hz(); | |
2032 | ||
2033 | if (proc_inet_split_line(line, &loc, &rem, &data)) | |
2034 | return -1; | |
2035 | ||
2036 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); | |
acd1e437 | 2037 | |
8250bc9f VK |
2038 | if (!(f->states & (1 << state))) |
2039 | return 0; | |
2040 | ||
055840f2 | 2041 | proc_parse_inet_addr(loc, rem, family, &s.ss); |
ae665a52 | 2042 | |
055840f2 | 2043 | if (f->f && run_ssfilter(f->f, &s.ss) == 0) |
aba5acdf | 2044 | return 0; |
ae665a52 | 2045 | |
aba5acdf | 2046 | opt[0] = 0; |
d1f338b3 | 2047 | n = sscanf(data, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %u %d %[^\n]\n", |
055840f2 VK |
2048 | &s.ss.state, &s.ss.wq, &s.ss.rq, |
2049 | &s.timer, &s.timeout, &s.retrans, &s.ss.uid, &s.probes, | |
2050 | &s.ss.ino, &s.ss.refcnt, &s.ss.sk, &rto, &ato, &s.qack, &s.cwnd, | |
2051 | &s.ssthresh, opt); | |
ae665a52 | 2052 | |
aba5acdf SH |
2053 | if (n < 17) |
2054 | opt[0] = 0; | |
ae665a52 | 2055 | |
aba5acdf | 2056 | if (n < 12) { |
8250bc9f | 2057 | rto = 0; |
aba5acdf SH |
2058 | s.cwnd = 2; |
2059 | s.ssthresh = -1; | |
8250bc9f | 2060 | ato = s.qack = 0; |
aba5acdf | 2061 | } |
ae665a52 | 2062 | |
8250bc9f VK |
2063 | s.retrans = s.timer != 1 ? s.probes : s.retrans; |
2064 | s.timeout = (s.timeout * 1000 + hz - 1) / hz; | |
2065 | s.ato = (double)ato / hz; | |
2066 | s.qack /= 2; | |
2067 | s.rto = (double)rto; | |
2068 | s.ssthresh = s.ssthresh == -1 ? 0 : s.ssthresh; | |
2069 | s.rto = s.rto != 3 * hz ? s.rto / hz : 0; | |
ae665a52 | 2070 | |
055840f2 VK |
2071 | inet_stats_print(&s.ss, IPPROTO_TCP); |
2072 | ||
2073 | if (show_options) | |
2074 | tcp_timer_print(&s); | |
116ac927 | 2075 | |
aba5acdf | 2076 | if (show_details) { |
f1b39e1b | 2077 | sock_details_print(&s.ss); |
aba5acdf SH |
2078 | if (opt[0]) |
2079 | printf(" opt:\"%s\"", opt); | |
2080 | } | |
aba5acdf | 2081 | |
8250bc9f VK |
2082 | if (show_tcpinfo) |
2083 | tcp_stats_print(&s); | |
2084 | ||
2085 | printf("\n"); | |
aba5acdf SH |
2086 | return 0; |
2087 | } | |
2088 | ||
ab01dbbb SH |
2089 | static int generic_record_read(FILE *fp, |
2090 | int (*worker)(char*, const struct filter *, int), | |
2091 | const struct filter *f, int fam) | |
aba5acdf | 2092 | { |
ab01dbbb | 2093 | char line[256]; |
aba5acdf | 2094 | |
ab01dbbb SH |
2095 | /* skip header */ |
2096 | if (fgets(line, sizeof(line), fp) == NULL) | |
aba5acdf | 2097 | goto outerr; |
ab01dbbb SH |
2098 | |
2099 | while (fgets(line, sizeof(line), fp) != NULL) { | |
2100 | int n = strlen(line); | |
acd1e437 | 2101 | |
ab01dbbb SH |
2102 | if (n == 0 || line[n-1] != '\n') { |
2103 | errno = -EINVAL; | |
2104 | return -1; | |
aba5acdf | 2105 | } |
ab01dbbb | 2106 | line[n-1] = 0; |
aba5acdf | 2107 | |
ab01dbbb SH |
2108 | if (worker(line, f, fam) < 0) |
2109 | return 0; | |
2110 | } | |
aba5acdf | 2111 | outerr: |
ab01dbbb SH |
2112 | |
2113 | return ferror(fp) ? -1 : 0; | |
aba5acdf | 2114 | } |
ae665a52 | 2115 | |
51ff9f24 HFS |
2116 | static void print_skmeminfo(struct rtattr *tb[], int attrtype) |
2117 | { | |
2118 | const __u32 *skmeminfo; | |
db08bdb8 VK |
2119 | |
2120 | if (!tb[attrtype]) { | |
2121 | if (attrtype == INET_DIAG_SKMEMINFO) { | |
2122 | if (!tb[INET_DIAG_MEMINFO]) | |
2123 | return; | |
2124 | ||
2125 | const struct inet_diag_meminfo *minfo = | |
2126 | RTA_DATA(tb[INET_DIAG_MEMINFO]); | |
2127 | ||
2128 | printf(" mem:(r%u,w%u,f%u,t%u)", | |
2129 | minfo->idiag_rmem, | |
2130 | minfo->idiag_wmem, | |
2131 | minfo->idiag_fmem, | |
2132 | minfo->idiag_tmem); | |
2133 | } | |
51ff9f24 | 2134 | return; |
db08bdb8 VK |
2135 | } |
2136 | ||
51ff9f24 HFS |
2137 | skmeminfo = RTA_DATA(tb[attrtype]); |
2138 | ||
2139 | printf(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u", | |
2140 | skmeminfo[SK_MEMINFO_RMEM_ALLOC], | |
2141 | skmeminfo[SK_MEMINFO_RCVBUF], | |
2142 | skmeminfo[SK_MEMINFO_WMEM_ALLOC], | |
2143 | skmeminfo[SK_MEMINFO_SNDBUF], | |
2144 | skmeminfo[SK_MEMINFO_FWD_ALLOC], | |
2145 | skmeminfo[SK_MEMINFO_WMEM_QUEUED], | |
2146 | skmeminfo[SK_MEMINFO_OPTMEM]); | |
2147 | ||
2148 | if (RTA_PAYLOAD(tb[attrtype]) >= | |
2149 | (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32)) | |
2150 | printf(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]); | |
2151 | ||
6df9c7a0 ED |
2152 | if (RTA_PAYLOAD(tb[attrtype]) >= |
2153 | (SK_MEMINFO_DROPS + 1) * sizeof(__u32)) | |
2154 | printf(",d%u", skmeminfo[SK_MEMINFO_DROPS]); | |
2155 | ||
51ff9f24 HFS |
2156 | printf(")"); |
2157 | } | |
2158 | ||
8250bc9f VK |
2159 | #define TCPI_HAS_OPT(info, opt) !!(info->tcpi_options & (opt)) |
2160 | ||
5b816047 PE |
2161 | static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, |
2162 | struct rtattr *tb[]) | |
7d105b56 | 2163 | { |
b4b0b7d5 | 2164 | double rtt = 0; |
8250bc9f | 2165 | struct tcpstat s = {}; |
7d105b56 | 2166 | |
055840f2 VK |
2167 | s.ss.state = r->idiag_state; |
2168 | ||
db08bdb8 | 2169 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); |
7d105b56 | 2170 | |
351efcde | 2171 | if (tb[INET_DIAG_INFO]) { |
05e18118 | 2172 | struct tcp_info *info; |
351efcde | 2173 | int len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); |
05e18118 SH |
2174 | |
2175 | /* workaround for older kernels with less fields */ | |
2176 | if (len < sizeof(*info)) { | |
2177 | info = alloca(sizeof(*info)); | |
351efcde | 2178 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); |
656e8fdd | 2179 | memset((char *)info + len, 0, sizeof(*info) - len); |
05e18118 | 2180 | } else |
351efcde | 2181 | info = RTA_DATA(tb[INET_DIAG_INFO]); |
05e18118 | 2182 | |
b4b0b7d5 | 2183 | if (show_options) { |
8250bc9f VK |
2184 | s.has_ts_opt = TCPI_HAS_OPT(info, TCPI_OPT_TIMESTAMPS); |
2185 | s.has_sack_opt = TCPI_HAS_OPT(info, TCPI_OPT_SACK); | |
2186 | s.has_ecn_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN); | |
2187 | s.has_ecnseen_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN_SEEN); | |
2188 | s.has_fastopen_opt = TCPI_HAS_OPT(info, TCPI_OPT_SYN_DATA); | |
b4b0b7d5 | 2189 | } |
52d5ac3f | 2190 | |
d2055ea5 ED |
2191 | if (tb[INET_DIAG_CONG]) |
2192 | strncpy(s.cong_alg, | |
2193 | rta_getattr_str(tb[INET_DIAG_CONG]), | |
2194 | sizeof(s.cong_alg) - 1); | |
8250bc9f VK |
2195 | |
2196 | if (TCPI_HAS_OPT(info, TCPI_OPT_WSCALE)) { | |
2197 | s.has_wscale_opt = true; | |
2198 | s.snd_wscale = info->tcpi_snd_wscale; | |
2199 | s.rcv_wscale = info->tcpi_rcv_wscale; | |
2200 | } | |
ea8fc104 | 2201 | |
7d105b56 | 2202 | if (info->tcpi_rto && info->tcpi_rto != 3000000) |
8250bc9f VK |
2203 | s.rto = (double)info->tcpi_rto / 1000; |
2204 | ||
2205 | s.backoff = info->tcpi_backoff; | |
2206 | s.rtt = (double)info->tcpi_rtt / 1000; | |
2207 | s.rttvar = (double)info->tcpi_rttvar / 1000; | |
11ba90fc | 2208 | s.ato = (double)info->tcpi_ato / 1000; |
8250bc9f VK |
2209 | s.mss = info->tcpi_snd_mss; |
2210 | s.rcv_space = info->tcpi_rcv_space; | |
2211 | s.rcv_rtt = (double)info->tcpi_rcv_rtt / 1000; | |
2212 | s.lastsnd = info->tcpi_last_data_sent; | |
2213 | s.lastrcv = info->tcpi_last_data_recv; | |
2214 | s.lastack = info->tcpi_last_ack_recv; | |
2215 | s.unacked = info->tcpi_unacked; | |
2216 | s.retrans = info->tcpi_retrans; | |
2217 | s.retrans_total = info->tcpi_total_retrans; | |
2218 | s.lost = info->tcpi_lost; | |
2219 | s.sacked = info->tcpi_sacked; | |
2220 | s.reordering = info->tcpi_reordering; | |
2221 | s.rcv_space = info->tcpi_rcv_space; | |
2222 | s.cwnd = info->tcpi_snd_cwnd; | |
2223 | ||
7d105b56 | 2224 | if (info->tcpi_snd_ssthresh < 0xFFFF) |
8250bc9f | 2225 | s.ssthresh = info->tcpi_snd_ssthresh; |
52d5ac3f | 2226 | |
b4b0b7d5 | 2227 | rtt = (double) info->tcpi_rtt; |
351efcde | 2228 | if (tb[INET_DIAG_VEGASINFO]) { |
05e18118 | 2229 | const struct tcpvegas_info *vinfo |
351efcde | 2230 | = RTA_DATA(tb[INET_DIAG_VEGASINFO]); |
7d105b56 | 2231 | |
ae665a52 | 2232 | if (vinfo->tcpv_enabled && |
8250bc9f | 2233 | vinfo->tcpv_rtt && vinfo->tcpv_rtt != 0x7fffffff) |
ea8fc104 | 2234 | rtt = vinfo->tcpv_rtt; |
b4b0b7d5 SH |
2235 | } |
2236 | ||
907e1aca | 2237 | if (tb[INET_DIAG_DCTCPINFO]) { |
8250bc9f VK |
2238 | struct dctcpstat *dctcp = malloc(sizeof(struct |
2239 | dctcpstat)); | |
2240 | ||
907e1aca DB |
2241 | const struct tcp_dctcp_info *dinfo |
2242 | = RTA_DATA(tb[INET_DIAG_DCTCPINFO]); | |
2243 | ||
8250bc9f VK |
2244 | dctcp->enabled = !!dinfo->dctcp_enabled; |
2245 | dctcp->ce_state = dinfo->dctcp_ce_state; | |
2246 | dctcp->alpha = dinfo->dctcp_alpha; | |
2247 | dctcp->ab_ecn = dinfo->dctcp_ab_ecn; | |
2248 | dctcp->ab_tot = dinfo->dctcp_ab_tot; | |
2249 | s.dctcp = dctcp; | |
907e1aca DB |
2250 | } |
2251 | ||
2f0f9aef NC |
2252 | if (tb[INET_DIAG_BBRINFO]) { |
2253 | const void *bbr_info = RTA_DATA(tb[INET_DIAG_BBRINFO]); | |
2254 | int len = min(RTA_PAYLOAD(tb[INET_DIAG_BBRINFO]), | |
2255 | sizeof(*s.bbr_info)); | |
2256 | ||
2257 | s.bbr_info = calloc(1, sizeof(*s.bbr_info)); | |
2258 | if (s.bbr_info && bbr_info) | |
2259 | memcpy(s.bbr_info, bbr_info, len); | |
2260 | } | |
2261 | ||
b4b0b7d5 | 2262 | if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) { |
8250bc9f VK |
2263 | s.send_bps = (double) info->tcpi_snd_cwnd * |
2264 | (double)info->tcpi_snd_mss * 8000000. / rtt; | |
7d105b56 | 2265 | } |
b4b0b7d5 | 2266 | |
eb6028b2 | 2267 | if (info->tcpi_pacing_rate && |
8250bc9f VK |
2268 | info->tcpi_pacing_rate != ~0ULL) { |
2269 | s.pacing_rate = info->tcpi_pacing_rate * 8.; | |
eb6028b2 ED |
2270 | |
2271 | if (info->tcpi_max_pacing_rate && | |
8250bc9f VK |
2272 | info->tcpi_max_pacing_rate != ~0ULL) |
2273 | s.pacing_rate_max = info->tcpi_max_pacing_rate * 8.; | |
eb6028b2 | 2274 | } |
1a4dda71 ED |
2275 | s.bytes_acked = info->tcpi_bytes_acked; |
2276 | s.bytes_received = info->tcpi_bytes_received; | |
ecb435ea CG |
2277 | s.segs_out = info->tcpi_segs_out; |
2278 | s.segs_in = info->tcpi_segs_in; | |
414aeec9 MKL |
2279 | s.data_segs_out = info->tcpi_data_segs_out; |
2280 | s.data_segs_in = info->tcpi_data_segs_in; | |
9e99e495 | 2281 | s.not_sent = info->tcpi_notsent_bytes; |
d9ba887e ED |
2282 | if (info->tcpi_min_rtt && info->tcpi_min_rtt != ~0U) |
2283 | s.min_rtt = (double) info->tcpi_min_rtt / 1000; | |
2f579872 NC |
2284 | s.delivery_rate = info->tcpi_delivery_rate * 8.; |
2285 | s.app_limited = info->tcpi_delivery_rate_app_limited; | |
8250bc9f | 2286 | tcp_stats_print(&s); |
92de1c2c | 2287 | free(s.dctcp); |
2f0f9aef | 2288 | free(s.bbr_info); |
77a8ca81 | 2289 | } |
77a8ca81 PE |
2290 | } |
2291 | ||
f89d46ad PS |
2292 | static const char *format_host_sa(struct sockaddr_storage *sa) |
2293 | { | |
2294 | union { | |
2295 | struct sockaddr_in sin; | |
2296 | struct sockaddr_in6 sin6; | |
2297 | } *saddr = (void *)sa; | |
2298 | ||
2299 | switch (sa->ss_family) { | |
2300 | case AF_INET: | |
2301 | return format_host(AF_INET, 4, &saddr->sin.sin_addr); | |
2302 | case AF_INET6: | |
2303 | return format_host(AF_INET6, 16, &saddr->sin6.sin6_addr); | |
2304 | default: | |
2305 | return ""; | |
2306 | } | |
2307 | } | |
2308 | ||
2309 | static void sctp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, | |
2310 | struct rtattr *tb[]) | |
2311 | { | |
2312 | struct sockaddr_storage *sa; | |
2313 | int len; | |
2314 | ||
2315 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); | |
2316 | ||
2317 | if (tb[INET_DIAG_LOCALS]) { | |
2318 | len = RTA_PAYLOAD(tb[INET_DIAG_LOCALS]); | |
2319 | sa = RTA_DATA(tb[INET_DIAG_LOCALS]); | |
2320 | ||
2321 | printf("locals:%s", format_host_sa(sa)); | |
2322 | for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa)) | |
2323 | printf(",%s", format_host_sa(sa)); | |
2324 | ||
2325 | } | |
2326 | if (tb[INET_DIAG_PEERS]) { | |
2327 | len = RTA_PAYLOAD(tb[INET_DIAG_PEERS]); | |
2328 | sa = RTA_DATA(tb[INET_DIAG_PEERS]); | |
2329 | ||
2330 | printf(" peers:%s", format_host_sa(sa)); | |
2331 | for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa)) | |
2332 | printf(",%s", format_host_sa(sa)); | |
2333 | } | |
2334 | if (tb[INET_DIAG_INFO]) { | |
2335 | struct sctp_info *info; | |
2336 | len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); | |
2337 | ||
2338 | /* workaround for older kernels with less fields */ | |
2339 | if (len < sizeof(*info)) { | |
2340 | info = alloca(sizeof(*info)); | |
2341 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); | |
2342 | memset((char *)info + len, 0, sizeof(*info) - len); | |
2343 | } else | |
2344 | info = RTA_DATA(tb[INET_DIAG_INFO]); | |
2345 | ||
2346 | sctp_stats_print(info); | |
2347 | } | |
2348 | } | |
2349 | ||
82d73ea0 | 2350 | static void parse_diag_msg(struct nlmsghdr *nlh, struct sockstat *s) |
aba5acdf | 2351 | { |
acd1e437 | 2352 | struct rtattr *tb[INET_DIAG_MAX+1]; |
351efcde | 2353 | struct inet_diag_msg *r = NLMSG_DATA(nlh); |
aba5acdf | 2354 | |
acd1e437 | 2355 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), |
5b816047 PE |
2356 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
2357 | ||
82d73ea0 DA |
2358 | s->state = r->idiag_state; |
2359 | s->local.family = s->remote.family = r->idiag_family; | |
2360 | s->lport = ntohs(r->id.idiag_sport); | |
2361 | s->rport = ntohs(r->id.idiag_dport); | |
2362 | s->wq = r->idiag_wqueue; | |
2363 | s->rq = r->idiag_rqueue; | |
2364 | s->ino = r->idiag_inode; | |
2365 | s->uid = r->idiag_uid; | |
2366 | s->iface = r->id.idiag_if; | |
2367 | s->sk = cookie_sk_get(&r->id.idiag_cookie[0]); | |
2368 | ||
ec75249b LC |
2369 | s->mark = 0; |
2370 | if (tb[INET_DIAG_MARK]) | |
2371 | s->mark = *(__u32 *) RTA_DATA(tb[INET_DIAG_MARK]); | |
41fe6c34 CG |
2372 | if (tb[INET_DIAG_PROTOCOL]) |
2373 | s->raw_prot = *(__u8 *)RTA_DATA(tb[INET_DIAG_PROTOCOL]); | |
2374 | else | |
2375 | s->raw_prot = 0; | |
ec75249b | 2376 | |
82d73ea0 DA |
2377 | if (s->local.family == AF_INET) |
2378 | s->local.bytelen = s->remote.bytelen = 4; | |
2379 | else | |
2380 | s->local.bytelen = s->remote.bytelen = 16; | |
8250bc9f | 2381 | |
82d73ea0 DA |
2382 | memcpy(s->local.data, r->id.idiag_src, s->local.bytelen); |
2383 | memcpy(s->remote.data, r->id.idiag_dst, s->local.bytelen); | |
2384 | } | |
aba5acdf | 2385 | |
82d73ea0 DA |
2386 | static int inet_show_sock(struct nlmsghdr *nlh, |
2387 | struct sockstat *s, | |
2388 | int protocol) | |
2389 | { | |
2390 | struct rtattr *tb[INET_DIAG_MAX+1]; | |
2391 | struct inet_diag_msg *r = NLMSG_DATA(nlh); | |
2392 | ||
2393 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), | |
2394 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); | |
aba5acdf | 2395 | |
6885e3bf CG |
2396 | if (tb[INET_DIAG_PROTOCOL]) |
2397 | protocol = *(__u8 *)RTA_DATA(tb[INET_DIAG_PROTOCOL]); | |
2398 | ||
82d73ea0 | 2399 | inet_stats_print(s, protocol); |
116ac927 | 2400 | |
055840f2 VK |
2401 | if (show_options) { |
2402 | struct tcpstat t = {}; | |
2403 | ||
2404 | t.timer = r->idiag_timer; | |
2405 | t.timeout = r->idiag_expires; | |
2406 | t.retrans = r->idiag_retrans; | |
f89d46ad PS |
2407 | if (protocol == IPPROTO_SCTP) |
2408 | sctp_timer_print(&t); | |
2409 | else | |
2410 | tcp_timer_print(&t); | |
055840f2 VK |
2411 | } |
2412 | ||
aba5acdf | 2413 | if (show_details) { |
82d73ea0 DA |
2414 | sock_details_print(s); |
2415 | if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY]) { | |
f32dc746 | 2416 | unsigned char v6only; |
acd1e437 | 2417 | |
f32dc746 PS |
2418 | v6only = *(__u8 *)RTA_DATA(tb[INET_DIAG_SKV6ONLY]); |
2419 | printf(" v6only:%u", v6only); | |
2420 | } | |
5b816047 PE |
2421 | if (tb[INET_DIAG_SHUTDOWN]) { |
2422 | unsigned char mask; | |
acd1e437 | 2423 | |
5b816047 PE |
2424 | mask = *(__u8 *)RTA_DATA(tb[INET_DIAG_SHUTDOWN]); |
2425 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); | |
2426 | } | |
aba5acdf | 2427 | } |
8250bc9f | 2428 | |
aba5acdf | 2429 | if (show_mem || show_tcpinfo) { |
7d105b56 | 2430 | printf("\n\t"); |
f89d46ad PS |
2431 | if (protocol == IPPROTO_SCTP) |
2432 | sctp_show_info(nlh, r, tb); | |
2433 | else | |
2434 | tcp_show_info(nlh, r, tb); | |
aba5acdf | 2435 | } |
f89d46ad | 2436 | sctp_ino = s->ino; |
7d105b56 | 2437 | |
aba5acdf | 2438 | printf("\n"); |
aba5acdf | 2439 | return 0; |
aba5acdf SH |
2440 | } |
2441 | ||
746a695f | 2442 | static int tcpdiag_send(int fd, int protocol, struct filter *f) |
aba5acdf | 2443 | { |
d17b136f | 2444 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
aba5acdf SH |
2445 | struct { |
2446 | struct nlmsghdr nlh; | |
351efcde | 2447 | struct inet_diag_req r; |
d17b136f PS |
2448 | } req = { |
2449 | .nlh.nlmsg_len = sizeof(req), | |
2450 | .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST, | |
2451 | .nlh.nlmsg_seq = MAGIC_SEQ, | |
2452 | .r.idiag_family = AF_INET, | |
2453 | .r.idiag_states = f->states, | |
2454 | }; | |
aba5acdf SH |
2455 | char *bc = NULL; |
2456 | int bclen; | |
2457 | struct msghdr msg; | |
2458 | struct rtattr rta; | |
aba5acdf | 2459 | struct iovec iov[3]; |
376fb868 | 2460 | int iovlen = 1; |
aba5acdf | 2461 | |
346f8ca8 PE |
2462 | if (protocol == IPPROTO_UDP) |
2463 | return -1; | |
2464 | ||
3fe5b534 PE |
2465 | if (protocol == IPPROTO_TCP) |
2466 | req.nlh.nlmsg_type = TCPDIAG_GETSOCK; | |
2467 | else | |
2468 | req.nlh.nlmsg_type = DCCPDIAG_GETSOCK; | |
910b0397 | 2469 | if (show_mem) { |
ae665a52 | 2470 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); |
910b0397 SW |
2471 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); |
2472 | } | |
b4b0b7d5 | 2473 | |
7d105b56 | 2474 | if (show_tcpinfo) { |
351efcde SH |
2475 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); |
2476 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); | |
2477 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); | |
7d105b56 | 2478 | } |
aba5acdf | 2479 | |
ae665a52 SH |
2480 | iov[0] = (struct iovec){ |
2481 | .iov_base = &req, | |
2482 | .iov_len = sizeof(req) | |
ea8fc104 | 2483 | }; |
aba5acdf SH |
2484 | if (f->f) { |
2485 | bclen = ssfilter_bytecompile(f->f, &bc); | |
376fb868 DA |
2486 | if (bclen) { |
2487 | rta.rta_type = INET_DIAG_REQ_BYTECODE; | |
2488 | rta.rta_len = RTA_LENGTH(bclen); | |
2489 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; | |
2490 | iov[2] = (struct iovec){ bc, bclen }; | |
2491 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); | |
2492 | iovlen = 3; | |
2493 | } | |
aba5acdf SH |
2494 | } |
2495 | ||
2496 | msg = (struct msghdr) { | |
acd1e437 | 2497 | .msg_name = (void *)&nladdr, |
ea8fc104 | 2498 | .msg_namelen = sizeof(nladdr), |
ae665a52 | 2499 | .msg_iov = iov, |
376fb868 | 2500 | .msg_iovlen = iovlen, |
aba5acdf SH |
2501 | }; |
2502 | ||
930a75f9 ED |
2503 | if (sendmsg(fd, &msg, 0) < 0) { |
2504 | close(fd); | |
aba5acdf | 2505 | return -1; |
930a75f9 | 2506 | } |
aba5acdf | 2507 | |
746a695f PE |
2508 | return 0; |
2509 | } | |
2510 | ||
886d19d6 PE |
2511 | static int sockdiag_send(int family, int fd, int protocol, struct filter *f) |
2512 | { | |
d17b136f | 2513 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
5fb421d4 | 2514 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
886d19d6 PE |
2515 | char *bc = NULL; |
2516 | int bclen; | |
2517 | struct msghdr msg; | |
2518 | struct rtattr rta; | |
2519 | struct iovec iov[3]; | |
376fb868 | 2520 | int iovlen = 1; |
886d19d6 PE |
2521 | |
2522 | if (family == PF_UNSPEC) | |
2523 | return tcpdiag_send(fd, protocol, f); | |
2524 | ||
886d19d6 PE |
2525 | memset(&req.r, 0, sizeof(req.r)); |
2526 | req.r.sdiag_family = family; | |
2527 | req.r.sdiag_protocol = protocol; | |
2528 | req.r.idiag_states = f->states; | |
2529 | if (show_mem) { | |
2530 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); | |
2531 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); | |
2532 | } | |
2533 | ||
2534 | if (show_tcpinfo) { | |
2535 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); | |
2536 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); | |
2537 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); | |
2538 | } | |
2539 | ||
2540 | iov[0] = (struct iovec){ | |
2541 | .iov_base = &req, | |
2542 | .iov_len = sizeof(req) | |
2543 | }; | |
2544 | if (f->f) { | |
2545 | bclen = ssfilter_bytecompile(f->f, &bc); | |
376fb868 DA |
2546 | if (bclen) { |
2547 | rta.rta_type = INET_DIAG_REQ_BYTECODE; | |
2548 | rta.rta_len = RTA_LENGTH(bclen); | |
2549 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; | |
2550 | iov[2] = (struct iovec){ bc, bclen }; | |
2551 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); | |
2552 | iovlen = 3; | |
2553 | } | |
886d19d6 PE |
2554 | } |
2555 | ||
2556 | msg = (struct msghdr) { | |
acd1e437 | 2557 | .msg_name = (void *)&nladdr, |
886d19d6 PE |
2558 | .msg_namelen = sizeof(nladdr), |
2559 | .msg_iov = iov, | |
376fb868 | 2560 | .msg_iovlen = iovlen, |
886d19d6 PE |
2561 | }; |
2562 | ||
2563 | if (sendmsg(fd, &msg, 0) < 0) { | |
2564 | close(fd); | |
2565 | return -1; | |
2566 | } | |
2567 | ||
2568 | return 0; | |
2569 | } | |
2570 | ||
486ccd99 VK |
2571 | struct inet_diag_arg { |
2572 | struct filter *f; | |
2573 | int protocol; | |
fb2594c1 | 2574 | struct rtnl_handle *rth; |
486ccd99 | 2575 | }; |
aba5acdf | 2576 | |
41fe6c34 | 2577 | static int kill_inet_sock(struct nlmsghdr *h, void *arg, struct sockstat *s) |
fb2594c1 LC |
2578 | { |
2579 | struct inet_diag_msg *d = NLMSG_DATA(h); | |
2580 | struct inet_diag_arg *diag_arg = arg; | |
2581 | struct rtnl_handle *rth = diag_arg->rth; | |
acd1e437 | 2582 | |
fb2594c1 LC |
2583 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
2584 | ||
2585 | req.nlh.nlmsg_type = SOCK_DESTROY; | |
2586 | req.nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; | |
2587 | req.nlh.nlmsg_seq = ++rth->seq; | |
2588 | req.r.sdiag_family = d->idiag_family; | |
2589 | req.r.sdiag_protocol = diag_arg->protocol; | |
2590 | req.r.id = d->id; | |
2591 | ||
41fe6c34 CG |
2592 | if (diag_arg->protocol == IPPROTO_RAW) { |
2593 | struct inet_diag_req_raw *raw = (void *)&req.r; | |
2594 | ||
2595 | BUILD_BUG_ON(sizeof(req.r) != sizeof(*raw)); | |
2596 | raw->sdiag_raw_protocol = s->raw_prot; | |
2597 | } | |
2598 | ||
fb2594c1 LC |
2599 | return rtnl_talk(rth, &req.nlh, NULL, 0); |
2600 | } | |
2601 | ||
486ccd99 VK |
2602 | static int show_one_inet_sock(const struct sockaddr_nl *addr, |
2603 | struct nlmsghdr *h, void *arg) | |
2604 | { | |
2605 | int err; | |
2606 | struct inet_diag_arg *diag_arg = arg; | |
2607 | struct inet_diag_msg *r = NLMSG_DATA(h); | |
82d73ea0 | 2608 | struct sockstat s = {}; |
aba5acdf | 2609 | |
486ccd99 VK |
2610 | if (!(diag_arg->f->families & (1 << r->idiag_family))) |
2611 | return 0; | |
82d73ea0 DA |
2612 | |
2613 | parse_diag_msg(h, &s); | |
2614 | ||
2615 | if (diag_arg->f->f && run_ssfilter(diag_arg->f->f, &s) == 0) | |
2616 | return 0; | |
2617 | ||
41fe6c34 | 2618 | if (diag_arg->f->kill && kill_inet_sock(h, arg, &s) != 0) { |
fb2594c1 LC |
2619 | if (errno == EOPNOTSUPP || errno == ENOENT) { |
2620 | /* Socket can't be closed, or is already closed. */ | |
2621 | return 0; | |
2622 | } else { | |
2623 | perror("SOCK_DESTROY answers"); | |
2624 | return -1; | |
2625 | } | |
2626 | } | |
82d73ea0 DA |
2627 | |
2628 | err = inet_show_sock(h, &s, diag_arg->protocol); | |
2629 | if (err < 0) | |
486ccd99 | 2630 | return err; |
aba5acdf | 2631 | |
486ccd99 VK |
2632 | return 0; |
2633 | } | |
886d19d6 | 2634 | |
486ccd99 VK |
2635 | static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol) |
2636 | { | |
2637 | int err = 0; | |
fb2594c1 | 2638 | struct rtnl_handle rth, rth2; |
486ccd99 VK |
2639 | int family = PF_INET; |
2640 | struct inet_diag_arg arg = { .f = f, .protocol = protocol }; | |
886d19d6 | 2641 | |
486ccd99 VK |
2642 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
2643 | return -1; | |
fb2594c1 LC |
2644 | |
2645 | if (f->kill) { | |
2646 | if (rtnl_open_byproto(&rth2, 0, NETLINK_SOCK_DIAG)) { | |
2647 | rtnl_close(&rth); | |
2648 | return -1; | |
2649 | } | |
2650 | arg.rth = &rth2; | |
2651 | } | |
2652 | ||
486ccd99 VK |
2653 | rth.dump = MAGIC_SEQ; |
2654 | rth.dump_fp = dump_fp; | |
518af1e0 ED |
2655 | if (preferred_family == PF_INET6) |
2656 | family = PF_INET6; | |
886d19d6 | 2657 | |
486ccd99 VK |
2658 | again: |
2659 | if ((err = sockdiag_send(family, rth.fd, protocol, f))) | |
2660 | goto Exit; | |
aba5acdf | 2661 | |
486ccd99 VK |
2662 | if ((err = rtnl_dump_filter(&rth, show_one_inet_sock, &arg))) { |
2663 | if (family != PF_UNSPEC) { | |
2664 | family = PF_UNSPEC; | |
2665 | goto again; | |
aba5acdf | 2666 | } |
486ccd99 | 2667 | goto Exit; |
aba5acdf | 2668 | } |
518af1e0 | 2669 | if (family == PF_INET && preferred_family != PF_INET) { |
886d19d6 PE |
2670 | family = PF_INET6; |
2671 | goto again; | |
2672 | } | |
2673 | ||
486ccd99 VK |
2674 | Exit: |
2675 | rtnl_close(&rth); | |
fb2594c1 LC |
2676 | if (arg.rth) |
2677 | rtnl_close(arg.rth); | |
486ccd99 | 2678 | return err; |
aba5acdf SH |
2679 | } |
2680 | ||
ab01dbbb | 2681 | static int tcp_show_netlink_file(struct filter *f) |
aba5acdf SH |
2682 | { |
2683 | FILE *fp; | |
e557212e | 2684 | char buf[16384]; |
aba5acdf SH |
2685 | |
2686 | if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) { | |
2687 | perror("fopen($TCPDIAG_FILE)"); | |
2688 | return -1; | |
2689 | } | |
2690 | ||
2691 | while (1) { | |
2692 | int status, err; | |
acd1e437 | 2693 | struct nlmsghdr *h = (struct nlmsghdr *)buf; |
82d73ea0 | 2694 | struct sockstat s = {}; |
aba5acdf SH |
2695 | |
2696 | status = fread(buf, 1, sizeof(*h), fp); | |
2697 | if (status < 0) { | |
2698 | perror("Reading header from $TCPDIAG_FILE"); | |
2699 | return -1; | |
2700 | } | |
2701 | if (status != sizeof(*h)) { | |
2702 | perror("Unexpected EOF reading $TCPDIAG_FILE"); | |
2703 | return -1; | |
2704 | } | |
2705 | ||
2706 | status = fread(h+1, 1, NLMSG_ALIGN(h->nlmsg_len-sizeof(*h)), fp); | |
2707 | ||
2708 | if (status < 0) { | |
2709 | perror("Reading $TCPDIAG_FILE"); | |
2710 | return -1; | |
2711 | } | |
2712 | if (status + sizeof(*h) < h->nlmsg_len) { | |
2713 | perror("Unexpected EOF reading $TCPDIAG_FILE"); | |
2714 | return -1; | |
2715 | } | |
2716 | ||
2717 | /* The only legal exit point */ | |
2718 | if (h->nlmsg_type == NLMSG_DONE) | |
2719 | return 0; | |
2720 | ||
2721 | if (h->nlmsg_type == NLMSG_ERROR) { | |
acd1e437 SH |
2722 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h); |
2723 | ||
aba5acdf SH |
2724 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
2725 | fprintf(stderr, "ERROR truncated\n"); | |
2726 | } else { | |
2727 | errno = -err->error; | |
2728 | perror("TCPDIAG answered"); | |
2729 | } | |
2730 | return -1; | |
2731 | } | |
2732 | ||
82d73ea0 DA |
2733 | parse_diag_msg(h, &s); |
2734 | ||
2735 | if (f && f->f && run_ssfilter(f->f, &s) == 0) | |
2736 | continue; | |
2737 | ||
2738 | err = inet_show_sock(h, &s, IPPROTO_TCP); | |
aba5acdf SH |
2739 | if (err < 0) |
2740 | return err; | |
2741 | } | |
2742 | } | |
2743 | ||
ab01dbbb | 2744 | static int tcp_show(struct filter *f, int socktype) |
aba5acdf | 2745 | { |
ab01dbbb | 2746 | FILE *fp = NULL; |
aba5acdf SH |
2747 | char *buf = NULL; |
2748 | int bufsize = 64*1024; | |
2749 | ||
1527a17e VK |
2750 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
2751 | return 0; | |
2752 | ||
aba5acdf SH |
2753 | dg_proto = TCP_PROTO; |
2754 | ||
2755 | if (getenv("TCPDIAG_FILE")) | |
2756 | return tcp_show_netlink_file(f); | |
2757 | ||
2758 | if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT") | |
3fe5b534 | 2759 | && inet_show_netlink(f, NULL, socktype) == 0) |
aba5acdf SH |
2760 | return 0; |
2761 | ||
2762 | /* Sigh... We have to parse /proc/net/tcp... */ | |
2763 | ||
ab01dbbb | 2764 | |
aba5acdf SH |
2765 | /* Estimate amount of sockets and try to allocate |
2766 | * huge buffer to read all the table at one read. | |
2767 | * Limit it by 16MB though. The assumption is: as soon as | |
2768 | * kernel was able to hold information about N connections, | |
2769 | * it is able to give us some memory for snapshot. | |
2770 | */ | |
2771 | if (1) { | |
a221d621 BL |
2772 | get_slabstat(&slabstat); |
2773 | ||
aba5acdf | 2774 | int guess = slabstat.socks+slabstat.tcp_syns; |
acd1e437 | 2775 | |
aba5acdf SH |
2776 | if (f->states&(1<<SS_TIME_WAIT)) |
2777 | guess += slabstat.tcp_tws; | |
2778 | if (guess > (16*1024*1024)/128) | |
2779 | guess = (16*1024*1024)/128; | |
2780 | guess *= 128; | |
2781 | if (guess > bufsize) | |
2782 | bufsize = guess; | |
2783 | } | |
2784 | while (bufsize >= 64*1024) { | |
2785 | if ((buf = malloc(bufsize)) != NULL) | |
2786 | break; | |
2787 | bufsize /= 2; | |
2788 | } | |
2789 | if (buf == NULL) { | |
2790 | errno = ENOMEM; | |
2791 | return -1; | |
2792 | } | |
2793 | ||
2794 | if (f->families & (1<<AF_INET)) { | |
69cae645 | 2795 | if ((fp = net_tcp_open()) == NULL) |
aba5acdf | 2796 | goto outerr; |
ab01dbbb SH |
2797 | |
2798 | setbuffer(fp, buf, bufsize); | |
2799 | if (generic_record_read(fp, tcp_show_line, f, AF_INET)) | |
aba5acdf | 2800 | goto outerr; |
ab01dbbb | 2801 | fclose(fp); |
aba5acdf SH |
2802 | } |
2803 | ||
2804 | if ((f->families & (1<<AF_INET6)) && | |
69cae645 | 2805 | (fp = net_tcp6_open()) != NULL) { |
ab01dbbb SH |
2806 | setbuffer(fp, buf, bufsize); |
2807 | if (generic_record_read(fp, tcp_show_line, f, AF_INET6)) | |
aba5acdf | 2808 | goto outerr; |
ab01dbbb | 2809 | fclose(fp); |
aba5acdf SH |
2810 | } |
2811 | ||
2812 | free(buf); | |
2813 | return 0; | |
2814 | ||
2815 | outerr: | |
2816 | do { | |
2817 | int saved_errno = errno; | |
acd1e437 | 2818 | |
92de1c2c | 2819 | free(buf); |
ab01dbbb SH |
2820 | if (fp) |
2821 | fclose(fp); | |
aba5acdf SH |
2822 | errno = saved_errno; |
2823 | return -1; | |
2824 | } while (0); | |
2825 | } | |
2826 | ||
f89d46ad PS |
2827 | static int sctp_show(struct filter *f) |
2828 | { | |
2829 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) | |
2830 | return 0; | |
2831 | ||
2832 | if (!getenv("PROC_NET_SCTP") && !getenv("PROC_ROOT") | |
2833 | && inet_show_netlink(f, NULL, IPPROTO_SCTP) == 0) | |
2834 | return 0; | |
2835 | ||
2836 | return 0; | |
2837 | } | |
aba5acdf | 2838 | |
d1f28cf1 | 2839 | static int dgram_show_line(char *line, const struct filter *f, int family) |
aba5acdf | 2840 | { |
055840f2 | 2841 | struct sockstat s = {}; |
aba5acdf SH |
2842 | char *loc, *rem, *data; |
2843 | char opt[256]; | |
2844 | int n; | |
aba5acdf | 2845 | |
8250bc9f | 2846 | if (proc_inet_split_line(line, &loc, &rem, &data)) |
aba5acdf | 2847 | return -1; |
aba5acdf | 2848 | |
8250bc9f | 2849 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); |
acd1e437 | 2850 | |
8250bc9f VK |
2851 | if (!(f->states & (1 << state))) |
2852 | return 0; | |
aba5acdf | 2853 | |
8250bc9f | 2854 | proc_parse_inet_addr(loc, rem, family, &s); |
aba5acdf SH |
2855 | |
2856 | if (f->f && run_ssfilter(f->f, &s) == 0) | |
2857 | return 0; | |
2858 | ||
2859 | opt[0] = 0; | |
e7113c61 | 2860 | n = sscanf(data, "%x %x:%x %*x:%*x %*x %d %*d %u %d %llx %[^\n]\n", |
aba5acdf SH |
2861 | &s.state, &s.wq, &s.rq, |
2862 | &s.uid, &s.ino, | |
2863 | &s.refcnt, &s.sk, opt); | |
2864 | ||
2865 | if (n < 9) | |
2866 | opt[0] = 0; | |
2867 | ||
235c4453 | 2868 | inet_stats_print(&s, dg_proto == UDP_PROTO ? IPPROTO_UDP : 0); |
aba5acdf | 2869 | |
f1b39e1b VK |
2870 | if (show_details && opt[0]) |
2871 | printf(" opt:\"%s\"", opt); | |
aba5acdf | 2872 | |
8250bc9f | 2873 | printf("\n"); |
aba5acdf SH |
2874 | return 0; |
2875 | } | |
2876 | ||
d1f28cf1 | 2877 | static int udp_show(struct filter *f) |
aba5acdf | 2878 | { |
ab01dbbb | 2879 | FILE *fp = NULL; |
aba5acdf | 2880 | |
1527a17e VK |
2881 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
2882 | return 0; | |
2883 | ||
ace5cb31 VK |
2884 | dg_proto = UDP_PROTO; |
2885 | ||
346f8ca8 PE |
2886 | if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT") |
2887 | && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0) | |
2888 | return 0; | |
2889 | ||
aba5acdf | 2890 | if (f->families&(1<<AF_INET)) { |
69cae645 | 2891 | if ((fp = net_udp_open()) == NULL) |
aba5acdf | 2892 | goto outerr; |
ab01dbbb | 2893 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
aba5acdf | 2894 | goto outerr; |
ab01dbbb | 2895 | fclose(fp); |
aba5acdf SH |
2896 | } |
2897 | ||
2898 | if ((f->families&(1<<AF_INET6)) && | |
69cae645 | 2899 | (fp = net_udp6_open()) != NULL) { |
ab01dbbb | 2900 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
aba5acdf | 2901 | goto outerr; |
ab01dbbb | 2902 | fclose(fp); |
aba5acdf SH |
2903 | } |
2904 | return 0; | |
2905 | ||
2906 | outerr: | |
2907 | do { | |
2908 | int saved_errno = errno; | |
acd1e437 | 2909 | |
ab01dbbb SH |
2910 | if (fp) |
2911 | fclose(fp); | |
aba5acdf SH |
2912 | errno = saved_errno; |
2913 | return -1; | |
2914 | } while (0); | |
2915 | } | |
2916 | ||
d1f28cf1 | 2917 | static int raw_show(struct filter *f) |
aba5acdf | 2918 | { |
ab01dbbb | 2919 | FILE *fp = NULL; |
aba5acdf | 2920 | |
1527a17e VK |
2921 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
2922 | return 0; | |
2923 | ||
aba5acdf SH |
2924 | dg_proto = RAW_PROTO; |
2925 | ||
41fe6c34 CG |
2926 | if (!getenv("PROC_NET_RAW") && !getenv("PROC_ROOT") && |
2927 | inet_show_netlink(f, NULL, IPPROTO_RAW) == 0) | |
2928 | return 0; | |
2929 | ||
aba5acdf | 2930 | if (f->families&(1<<AF_INET)) { |
69cae645 | 2931 | if ((fp = net_raw_open()) == NULL) |
aba5acdf | 2932 | goto outerr; |
ab01dbbb | 2933 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
aba5acdf | 2934 | goto outerr; |
ab01dbbb | 2935 | fclose(fp); |
aba5acdf SH |
2936 | } |
2937 | ||
2938 | if ((f->families&(1<<AF_INET6)) && | |
69cae645 | 2939 | (fp = net_raw6_open()) != NULL) { |
ab01dbbb | 2940 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
aba5acdf | 2941 | goto outerr; |
ab01dbbb | 2942 | fclose(fp); |
aba5acdf SH |
2943 | } |
2944 | return 0; | |
2945 | ||
2946 | outerr: | |
2947 | do { | |
2948 | int saved_errno = errno; | |
acd1e437 | 2949 | |
ab01dbbb SH |
2950 | if (fp) |
2951 | fclose(fp); | |
aba5acdf SH |
2952 | errno = saved_errno; |
2953 | return -1; | |
2954 | } while (0); | |
2955 | } | |
2956 | ||
aba5acdf SH |
2957 | int unix_state_map[] = { SS_CLOSE, SS_SYN_SENT, |
2958 | SS_ESTABLISHED, SS_CLOSING }; | |
2959 | ||
ec4d0d8a | 2960 | #define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct sockstat)) |
aba5acdf | 2961 | |
ec4d0d8a | 2962 | static void unix_list_free(struct sockstat *list) |
aba5acdf SH |
2963 | { |
2964 | while (list) { | |
ec4d0d8a | 2965 | struct sockstat *s = list; |
ec4d0d8a | 2966 | |
aba5acdf | 2967 | list = list->next; |
99bb68ff | 2968 | free(s->name); |
aba5acdf SH |
2969 | free(s); |
2970 | } | |
2971 | } | |
2972 | ||
30b669d7 MY |
2973 | static const char *unix_netid_name(int type) |
2974 | { | |
2975 | const char *netid; | |
2976 | ||
2977 | switch (type) { | |
2978 | case SOCK_STREAM: | |
2979 | netid = "u_str"; | |
2980 | break; | |
2981 | case SOCK_SEQPACKET: | |
2982 | netid = "u_seq"; | |
2983 | break; | |
2984 | case SOCK_DGRAM: | |
2985 | default: | |
2986 | netid = "u_dgr"; | |
2987 | break; | |
2988 | } | |
2989 | return netid; | |
2990 | } | |
2991 | ||
ec4d0d8a | 2992 | static bool unix_type_skip(struct sockstat *s, struct filter *f) |
bf4ceee6 VK |
2993 | { |
2994 | if (s->type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB))) | |
2995 | return true; | |
2996 | if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB))) | |
2997 | return true; | |
2998 | if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB))) | |
2999 | return true; | |
3000 | return false; | |
3001 | } | |
3002 | ||
ec4d0d8a VK |
3003 | static bool unix_use_proc(void) |
3004 | { | |
3005 | return getenv("PROC_NET_UNIX") || getenv("PROC_ROOT"); | |
3006 | } | |
3007 | ||
3008 | static void unix_stats_print(struct sockstat *list, struct filter *f) | |
aba5acdf | 3009 | { |
ec4d0d8a | 3010 | struct sockstat *s; |
99bb68ff | 3011 | char *peer; |
b217df10 | 3012 | char *ctx_buf = NULL; |
ec4d0d8a | 3013 | bool use_proc = unix_use_proc(); |
b217df10 | 3014 | char port_name[30] = {}; |
aba5acdf SH |
3015 | |
3016 | for (s = list; s; s = s->next) { | |
ec4d0d8a | 3017 | if (!(f->states & (1 << s->state))) |
aba5acdf | 3018 | continue; |
bf4ceee6 | 3019 | if (unix_type_skip(s, f)) |
30b669d7 | 3020 | continue; |
aba5acdf | 3021 | |
99bb68ff VK |
3022 | peer = "*"; |
3023 | if (s->peer_name) | |
3024 | peer = s->peer_name; | |
ec4d0d8a VK |
3025 | |
3026 | if (s->rport && use_proc) { | |
3027 | struct sockstat *p; | |
bf4ceee6 | 3028 | |
aba5acdf | 3029 | for (p = list; p; p = p->next) { |
ec4d0d8a | 3030 | if (s->rport == p->lport) |
aba5acdf SH |
3031 | break; |
3032 | } | |
ec4d0d8a | 3033 | |
aba5acdf SH |
3034 | if (!p) { |
3035 | peer = "?"; | |
3036 | } else { | |
99bb68ff | 3037 | peer = p->name ? : "*"; |
aba5acdf SH |
3038 | } |
3039 | } | |
3040 | ||
29999b0f | 3041 | if (use_proc && f->f) { |
d17b136f PS |
3042 | struct sockstat st = { |
3043 | .local.family = AF_UNIX, | |
3044 | .remote.family = AF_UNIX, | |
3045 | }; | |
acd1e437 | 3046 | |
99bb68ff | 3047 | memcpy(st.local.data, &s->name, sizeof(s->name)); |
d17b136f | 3048 | if (strcmp(peer, "*")) |
99bb68ff VK |
3049 | memcpy(st.remote.data, &peer, sizeof(peer)); |
3050 | if (run_ssfilter(f->f, &st) == 0) | |
aba5acdf SH |
3051 | continue; |
3052 | } | |
3053 | ||
2d791bc8 VK |
3054 | sock_state_print(s, unix_netid_name(s->type)); |
3055 | ||
99bb68ff | 3056 | sock_addr_print(s->name ?: "*", " ", |
b217df10 VK |
3057 | int_to_str(s->lport, port_name), NULL); |
3058 | sock_addr_print(peer, " ", int_to_str(s->rport, port_name), | |
3059 | NULL); | |
116ac927 RH |
3060 | |
3061 | if (show_proc_ctx || show_sock_ctx) { | |
b217df10 | 3062 | if (find_entry(s->ino, &ctx_buf, |
116ac927 RH |
3063 | (show_proc_ctx & show_sock_ctx) ? |
3064 | PROC_SOCK_CTX : PROC_CTX) > 0) { | |
b217df10 VK |
3065 | printf(" users:(%s)", ctx_buf); |
3066 | free(ctx_buf); | |
116ac927 RH |
3067 | } |
3068 | } else if (show_users) { | |
b217df10 VK |
3069 | if (find_entry(s->ino, &ctx_buf, USERS) > 0) { |
3070 | printf(" users:(%s)", ctx_buf); | |
3071 | free(ctx_buf); | |
116ac927 | 3072 | } |
aba5acdf SH |
3073 | } |
3074 | printf("\n"); | |
3075 | } | |
3076 | } | |
3077 | ||
8a4025f6 | 3078 | static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh, |
3079 | void *arg) | |
dfbaa90d | 3080 | { |
8a4025f6 | 3081 | struct filter *f = (struct filter *)arg; |
dfbaa90d PE |
3082 | struct unix_diag_msg *r = NLMSG_DATA(nlh); |
3083 | struct rtattr *tb[UNIX_DIAG_MAX+1]; | |
99bb68ff VK |
3084 | char name[128]; |
3085 | struct sockstat stat = { .name = "*", .peer_name = "*" }; | |
dfbaa90d | 3086 | |
acd1e437 | 3087 | parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr *)(r+1), |
dfbaa90d PE |
3088 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3089 | ||
bf4ceee6 VK |
3090 | stat.type = r->udiag_type; |
3091 | stat.state = r->udiag_state; | |
ec4d0d8a VK |
3092 | stat.ino = stat.lport = r->udiag_ino; |
3093 | stat.local.family = stat.remote.family = AF_UNIX; | |
0d2e01c5 | 3094 | |
bf4ceee6 VK |
3095 | if (unix_type_skip(&stat, f)) |
3096 | return 0; | |
dfbaa90d | 3097 | |
defd61ca HFS |
3098 | if (tb[UNIX_DIAG_RQLEN]) { |
3099 | struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]); | |
acd1e437 | 3100 | |
bf4ceee6 VK |
3101 | stat.rq = rql->udiag_rqueue; |
3102 | stat.wq = rql->udiag_wqueue; | |
defd61ca | 3103 | } |
dfbaa90d PE |
3104 | if (tb[UNIX_DIAG_NAME]) { |
3105 | int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]); | |
3106 | ||
3107 | memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len); | |
3108 | name[len] = '\0'; | |
3109 | if (name[0] == '\0') | |
878dadc7 IB |
3110 | for (int i = 0; i < len; i++) |
3111 | if (name[i] == '\0') | |
3112 | name[i] = '@'; | |
99bb68ff VK |
3113 | stat.name = &name[0]; |
3114 | memcpy(stat.local.data, &stat.name, sizeof(stat.name)); | |
bf4ceee6 | 3115 | } |
dfbaa90d | 3116 | if (tb[UNIX_DIAG_PEER]) |
ec4d0d8a | 3117 | stat.rport = rta_getattr_u32(tb[UNIX_DIAG_PEER]); |
dfbaa90d | 3118 | |
29999b0f VK |
3119 | if (f->f && run_ssfilter(f->f, &stat) == 0) |
3120 | return 0; | |
3121 | ||
bf4ceee6 | 3122 | unix_stats_print(&stat, f); |
dfbaa90d | 3123 | |
51ff9f24 | 3124 | if (show_mem) { |
bf4ceee6 | 3125 | printf("\t"); |
51ff9f24 HFS |
3126 | print_skmeminfo(tb, UNIX_DIAG_MEMINFO); |
3127 | } | |
5b816047 PE |
3128 | if (show_details) { |
3129 | if (tb[UNIX_DIAG_SHUTDOWN]) { | |
3130 | unsigned char mask; | |
acd1e437 | 3131 | |
5b816047 PE |
3132 | mask = *(__u8 *)RTA_DATA(tb[UNIX_DIAG_SHUTDOWN]); |
3133 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); | |
3134 | } | |
3135 | } | |
bf4ceee6 VK |
3136 | if (show_mem || show_details) |
3137 | printf("\n"); | |
ec4d0d8a | 3138 | |
dfbaa90d PE |
3139 | return 0; |
3140 | } | |
3141 | ||
8a4025f6 | 3142 | static int handle_netlink_request(struct filter *f, struct nlmsghdr *req, |
3143 | size_t size, rtnl_filter_t show_one_sock) | |
dfbaa90d | 3144 | { |
8a4025f6 | 3145 | int ret = -1; |
3146 | struct rtnl_handle rth; | |
dfbaa90d | 3147 | |
8a4025f6 | 3148 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
dfbaa90d PE |
3149 | return -1; |
3150 | ||
8a4025f6 | 3151 | rth.dump = MAGIC_SEQ; |
dfbaa90d | 3152 | |
8a4025f6 | 3153 | if (rtnl_send(&rth, req, size) < 0) |
3154 | goto Exit; | |
dfbaa90d | 3155 | |
8a4025f6 | 3156 | if (rtnl_dump_filter(&rth, show_one_sock, f)) |
3157 | goto Exit; | |
dfbaa90d | 3158 | |
8a4025f6 | 3159 | ret = 0; |
3160 | Exit: | |
3161 | rtnl_close(&rth); | |
3162 | return ret; | |
dfbaa90d PE |
3163 | } |
3164 | ||
8a4025f6 | 3165 | static int unix_show_netlink(struct filter *f) |
d8402b96 | 3166 | { |
5fb421d4 | 3167 | DIAG_REQUEST(req, struct unix_diag_req r); |
d8402b96 AV |
3168 | |
3169 | req.r.sdiag_family = AF_UNIX; | |
3170 | req.r.udiag_states = f->states; | |
3171 | req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN; | |
3172 | if (show_mem) | |
3173 | req.r.udiag_show |= UDIAG_SHOW_MEMINFO; | |
3174 | ||
8a4025f6 | 3175 | return handle_netlink_request(f, &req.nlh, sizeof(req), unix_show_sock); |
d8402b96 AV |
3176 | } |
3177 | ||
d1f28cf1 | 3178 | static int unix_show(struct filter *f) |
aba5acdf SH |
3179 | { |
3180 | FILE *fp; | |
3181 | char buf[256]; | |
3182 | char name[128]; | |
3183 | int newformat = 0; | |
3184 | int cnt; | |
ec4d0d8a | 3185 | struct sockstat *list = NULL; |
aba5acdf | 3186 | |
9db7bf15 VK |
3187 | if (!filter_af_get(f, AF_UNIX)) |
3188 | return 0; | |
3189 | ||
ec4d0d8a | 3190 | if (!unix_use_proc() && unix_show_netlink(f) == 0) |
dfbaa90d PE |
3191 | return 0; |
3192 | ||
ab01dbbb | 3193 | if ((fp = net_unix_open()) == NULL) |
aba5acdf | 3194 | return -1; |
61170fd8 | 3195 | if (!fgets(buf, sizeof(buf), fp)) { |
d572ed4d PS |
3196 | fclose(fp); |
3197 | return -1; | |
3198 | } | |
aba5acdf | 3199 | |
ae665a52 | 3200 | if (memcmp(buf, "Peer", 4) == 0) |
aba5acdf SH |
3201 | newformat = 1; |
3202 | cnt = 0; | |
3203 | ||
61170fd8 | 3204 | while (fgets(buf, sizeof(buf), fp)) { |
ec4d0d8a | 3205 | struct sockstat *u, **insp; |
aba5acdf SH |
3206 | int flags; |
3207 | ||
0ee9052f | 3208 | if (!(u = calloc(1, sizeof(*u)))) |
aba5acdf | 3209 | break; |
99bb68ff VK |
3210 | u->name = NULL; |
3211 | u->peer_name = NULL; | |
aba5acdf SH |
3212 | |
3213 | if (sscanf(buf, "%x: %x %x %x %x %x %d %s", | |
ec4d0d8a | 3214 | &u->rport, &u->rq, &u->wq, &flags, &u->type, |
aba5acdf SH |
3215 | &u->state, &u->ino, name) < 8) |
3216 | name[0] = 0; | |
3217 | ||
ec4d0d8a VK |
3218 | u->lport = u->ino; |
3219 | u->local.family = u->remote.family = AF_UNIX; | |
3220 | ||
3221 | if (flags & (1 << 16)) { | |
aba5acdf SH |
3222 | u->state = SS_LISTEN; |
3223 | } else { | |
3224 | u->state = unix_state_map[u->state-1]; | |
ec4d0d8a | 3225 | if (u->type == SOCK_DGRAM && u->state == SS_CLOSE && u->rport) |
aba5acdf SH |
3226 | u->state = SS_ESTABLISHED; |
3227 | } | |
3228 | ||
3229 | if (!newformat) { | |
ec4d0d8a | 3230 | u->rport = 0; |
aba5acdf SH |
3231 | u->rq = 0; |
3232 | u->wq = 0; | |
3233 | } | |
3234 | ||
3235 | insp = &list; | |
3236 | while (*insp) { | |
3237 | if (u->type < (*insp)->type || | |
3238 | (u->type == (*insp)->type && | |
3239 | u->ino < (*insp)->ino)) | |
3240 | break; | |
3241 | insp = &(*insp)->next; | |
3242 | } | |
3243 | u->next = *insp; | |
3244 | *insp = u; | |
3245 | ||
3246 | if (name[0]) { | |
99bb68ff VK |
3247 | if ((u->name = malloc(strlen(name)+1)) == NULL) |
3248 | break; | |
3249 | strcpy(u->name, name); | |
aba5acdf SH |
3250 | } |
3251 | if (++cnt > MAX_UNIX_REMEMBER) { | |
bf4ceee6 | 3252 | unix_stats_print(list, f); |
aba5acdf SH |
3253 | unix_list_free(list); |
3254 | list = NULL; | |
3255 | cnt = 0; | |
3256 | } | |
3257 | } | |
a3fd8e58 | 3258 | fclose(fp); |
aba5acdf | 3259 | if (list) { |
bf4ceee6 | 3260 | unix_stats_print(list, f); |
aba5acdf SH |
3261 | unix_list_free(list); |
3262 | list = NULL; | |
3263 | cnt = 0; | |
3264 | } | |
3265 | ||
3266 | return 0; | |
3267 | } | |
3268 | ||
89f634f9 | 3269 | static int packet_stats_print(struct sockstat *s, const struct filter *f) |
4a0053b6 VK |
3270 | { |
3271 | char *buf = NULL; | |
b217df10 VK |
3272 | const char *addr, *port; |
3273 | char ll_name[16]; | |
372c30d2 | 3274 | |
4a0053b6 | 3275 | if (f->f) { |
89f634f9 VK |
3276 | s->local.family = AF_PACKET; |
3277 | s->remote.family = AF_PACKET; | |
89f634f9 | 3278 | s->local.data[0] = s->prot; |
89f634f9 | 3279 | if (run_ssfilter(f->f, s) == 0) |
4a0053b6 VK |
3280 | return 1; |
3281 | } | |
372c30d2 | 3282 | |
2d791bc8 | 3283 | sock_state_print(s, s->type == SOCK_RAW ? "p_raw" : "p_dgr"); |
372c30d2 | 3284 | |
b217df10 VK |
3285 | if (s->prot == 3) |
3286 | addr = "*"; | |
3287 | else | |
3288 | addr = ll_proto_n2a(htons(s->prot), ll_name, sizeof(ll_name)); | |
3289 | ||
3290 | if (s->iface == 0) | |
3291 | port = "*"; | |
3292 | else | |
3293 | port = xll_index_to_name(s->iface); | |
372c30d2 | 3294 | |
b217df10 VK |
3295 | sock_addr_print(addr, ":", port, NULL); |
3296 | sock_addr_print("", "*", "", NULL); | |
116ac927 RH |
3297 | |
3298 | if (show_proc_ctx || show_sock_ctx) { | |
4a0053b6 VK |
3299 | if (find_entry(s->ino, &buf, |
3300 | (show_proc_ctx & show_sock_ctx) ? | |
3301 | PROC_SOCK_CTX : PROC_CTX) > 0) { | |
116ac927 RH |
3302 | printf(" users:(%s)", buf); |
3303 | free(buf); | |
3304 | } | |
3305 | } else if (show_users) { | |
4a0053b6 | 3306 | if (find_entry(s->ino, &buf, USERS) > 0) { |
116ac927 RH |
3307 | printf(" users:(%s)", buf); |
3308 | free(buf); | |
3309 | } | |
372c30d2 | 3310 | } |
116ac927 | 3311 | |
f1b39e1b VK |
3312 | if (show_details) |
3313 | sock_details_print(s); | |
3314 | ||
4a0053b6 VK |
3315 | return 0; |
3316 | } | |
3317 | ||
2631b856 VK |
3318 | static void packet_show_ring(struct packet_diag_ring *ring) |
3319 | { | |
3320 | printf("blk_size:%d", ring->pdr_block_size); | |
3321 | printf(",blk_nr:%d", ring->pdr_block_nr); | |
3322 | printf(",frm_size:%d", ring->pdr_frame_size); | |
3323 | printf(",frm_nr:%d", ring->pdr_frame_nr); | |
3324 | printf(",tmo:%d", ring->pdr_retire_tmo); | |
3325 | printf(",features:0x%x", ring->pdr_features); | |
3326 | } | |
3327 | ||
4a0053b6 VK |
3328 | static int packet_show_sock(const struct sockaddr_nl *addr, |
3329 | struct nlmsghdr *nlh, void *arg) | |
3330 | { | |
3331 | const struct filter *f = arg; | |
3332 | struct packet_diag_msg *r = NLMSG_DATA(nlh); | |
2631b856 VK |
3333 | struct packet_diag_info *pinfo = NULL; |
3334 | struct packet_diag_ring *ring_rx = NULL, *ring_tx = NULL; | |
4a0053b6 | 3335 | struct rtattr *tb[PACKET_DIAG_MAX+1]; |
89f634f9 | 3336 | struct sockstat stat = {}; |
2631b856 VK |
3337 | uint32_t fanout = 0; |
3338 | bool has_fanout = false; | |
4a0053b6 | 3339 | |
acd1e437 | 3340 | parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr *)(r+1), |
4a0053b6 VK |
3341 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3342 | ||
3343 | /* use /proc/net/packet if all info are not available */ | |
3344 | if (!tb[PACKET_DIAG_MEMINFO]) | |
3345 | return -1; | |
3346 | ||
2d791bc8 VK |
3347 | stat.type = r->pdiag_type; |
3348 | stat.prot = r->pdiag_num; | |
3349 | stat.ino = r->pdiag_ino; | |
3350 | stat.state = SS_CLOSE; | |
f1b39e1b | 3351 | stat.sk = cookie_sk_get(&r->pdiag_cookie[0]); |
4a0053b6 VK |
3352 | |
3353 | if (tb[PACKET_DIAG_MEMINFO]) { | |
3354 | __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]); | |
acd1e437 | 3355 | |
4a0053b6 VK |
3356 | stat.rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; |
3357 | } | |
3358 | ||
3359 | if (tb[PACKET_DIAG_INFO]) { | |
2631b856 | 3360 | pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]); |
2d791bc8 | 3361 | stat.lport = stat.iface = pinfo->pdi_index; |
4a0053b6 VK |
3362 | } |
3363 | ||
f1b39e1b VK |
3364 | if (tb[PACKET_DIAG_UID]) |
3365 | stat.uid = *(__u32 *)RTA_DATA(tb[PACKET_DIAG_UID]); | |
3366 | ||
2631b856 VK |
3367 | if (tb[PACKET_DIAG_RX_RING]) |
3368 | ring_rx = RTA_DATA(tb[PACKET_DIAG_RX_RING]); | |
3369 | ||
3370 | if (tb[PACKET_DIAG_TX_RING]) | |
3371 | ring_tx = RTA_DATA(tb[PACKET_DIAG_TX_RING]); | |
3372 | ||
3373 | if (tb[PACKET_DIAG_FANOUT]) { | |
3374 | has_fanout = true; | |
3375 | fanout = *(uint32_t *)RTA_DATA(tb[PACKET_DIAG_FANOUT]); | |
3376 | } | |
3377 | ||
4a0053b6 VK |
3378 | if (packet_stats_print(&stat, f)) |
3379 | return 0; | |
3380 | ||
2631b856 VK |
3381 | if (show_details) { |
3382 | if (pinfo) { | |
3383 | printf("\n\tver:%d", pinfo->pdi_version); | |
3384 | printf(" cpy_thresh:%d", pinfo->pdi_copy_thresh); | |
3385 | printf(" flags( "); | |
3386 | if (pinfo->pdi_flags & PDI_RUNNING) | |
3387 | printf("running"); | |
3388 | if (pinfo->pdi_flags & PDI_AUXDATA) | |
3389 | printf(" auxdata"); | |
3390 | if (pinfo->pdi_flags & PDI_ORIGDEV) | |
3391 | printf(" origdev"); | |
3392 | if (pinfo->pdi_flags & PDI_VNETHDR) | |
3393 | printf(" vnethdr"); | |
3394 | if (pinfo->pdi_flags & PDI_LOSS) | |
3395 | printf(" loss"); | |
3396 | if (!pinfo->pdi_flags) | |
3397 | printf("0"); | |
3398 | printf(" )"); | |
3399 | } | |
3400 | if (ring_rx) { | |
3401 | printf("\n\tring_rx("); | |
3402 | packet_show_ring(ring_rx); | |
3403 | printf(")"); | |
3404 | } | |
3405 | if (ring_tx) { | |
3406 | printf("\n\tring_tx("); | |
3407 | packet_show_ring(ring_tx); | |
3408 | printf(")"); | |
3409 | } | |
3410 | if (has_fanout) { | |
3411 | uint16_t type = (fanout >> 16) & 0xffff; | |
3412 | ||
3413 | printf("\n\tfanout("); | |
3414 | printf("id:%d,", fanout & 0xffff); | |
3415 | printf("type:"); | |
3416 | ||
3417 | if (type == 0) | |
3418 | printf("hash"); | |
3419 | else if (type == 1) | |
3420 | printf("lb"); | |
3421 | else if (type == 2) | |
3422 | printf("cpu"); | |
3423 | else if (type == 3) | |
3424 | printf("roll"); | |
3425 | else if (type == 4) | |
3426 | printf("random"); | |
3427 | else if (type == 5) | |
3428 | printf("qm"); | |
3429 | else | |
3430 | printf("0x%x", type); | |
3431 | ||
3432 | printf(")"); | |
3433 | } | |
3434 | } | |
3435 | ||
372c30d2 ND |
3436 | if (show_bpf && tb[PACKET_DIAG_FILTER]) { |
3437 | struct sock_filter *fil = | |
3438 | RTA_DATA(tb[PACKET_DIAG_FILTER]); | |
3439 | int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) / | |
3440 | sizeof(struct sock_filter); | |
3441 | ||
3442 | printf("\n\tbpf filter (%d): ", num); | |
3443 | while (num) { | |
3444 | printf(" 0x%02x %u %u %u,", | |
3445 | fil->code, fil->jt, fil->jf, fil->k); | |
3446 | num--; | |
3447 | fil++; | |
3448 | } | |
3449 | } | |
3450 | printf("\n"); | |
3451 | return 0; | |
3452 | } | |
3453 | ||
8a4025f6 | 3454 | static int packet_show_netlink(struct filter *f) |
372c30d2 | 3455 | { |
5fb421d4 | 3456 | DIAG_REQUEST(req, struct packet_diag_req r); |
372c30d2 | 3457 | |
372c30d2 | 3458 | req.r.sdiag_family = AF_PACKET; |
2631b856 VK |
3459 | req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO | |
3460 | PACKET_SHOW_FILTER | PACKET_SHOW_RING_CFG | PACKET_SHOW_FANOUT; | |
372c30d2 | 3461 | |
8a4025f6 | 3462 | return handle_netlink_request(f, &req.nlh, sizeof(req), packet_show_sock); |
372c30d2 ND |
3463 | } |
3464 | ||
4a0053b6 VK |
3465 | static int packet_show_line(char *buf, const struct filter *f, int fam) |
3466 | { | |
3467 | unsigned long long sk; | |
89f634f9 | 3468 | struct sockstat stat = {}; |
4a0053b6 VK |
3469 | int type, prot, iface, state, rq, uid, ino; |
3470 | ||
3471 | sscanf(buf, "%llx %*d %d %x %d %d %u %u %u", | |
3472 | &sk, | |
3473 | &type, &prot, &iface, &state, | |
3474 | &rq, &uid, &ino); | |
3475 | ||
3476 | if (stat.type == SOCK_RAW && !(f->dbs&(1<<PACKET_R_DB))) | |
3477 | return 0; | |
3478 | if (stat.type == SOCK_DGRAM && !(f->dbs&(1<<PACKET_DG_DB))) | |
3479 | return 0; | |
3480 | ||
3481 | stat.type = type; | |
3482 | stat.prot = prot; | |
2d791bc8 | 3483 | stat.lport = stat.iface = iface; |
4a0053b6 VK |
3484 | stat.state = state; |
3485 | stat.rq = rq; | |
3486 | stat.uid = uid; | |
3487 | stat.ino = ino; | |
2d791bc8 VK |
3488 | stat.state = SS_CLOSE; |
3489 | ||
4a0053b6 VK |
3490 | if (packet_stats_print(&stat, f)) |
3491 | return 0; | |
3492 | ||
4a0053b6 VK |
3493 | printf("\n"); |
3494 | return 0; | |
3495 | } | |
aba5acdf | 3496 | |
d1f28cf1 | 3497 | static int packet_show(struct filter *f) |
aba5acdf SH |
3498 | { |
3499 | FILE *fp; | |
b95d28c3 | 3500 | int rc = 0; |
3d0b7439 | 3501 | |
9db7bf15 | 3502 | if (!filter_af_get(f, AF_PACKET) || !(f->states & (1 << SS_CLOSE))) |
b9ea445d | 3503 | return 0; |
aba5acdf | 3504 | |
4a0053b6 VK |
3505 | if (!getenv("PROC_NET_PACKET") && !getenv("PROC_ROOT") && |
3506 | packet_show_netlink(f) == 0) | |
372c30d2 ND |
3507 | return 0; |
3508 | ||
ab01dbbb | 3509 | if ((fp = net_packet_open()) == NULL) |
aba5acdf | 3510 | return -1; |
4a0053b6 | 3511 | if (generic_record_read(fp, packet_show_line, f, AF_PACKET)) |
b95d28c3 | 3512 | rc = -1; |
aba5acdf | 3513 | |
b95d28c3 PS |
3514 | fclose(fp); |
3515 | return rc; | |
aba5acdf SH |
3516 | } |
3517 | ||
5f24ec0e | 3518 | static int netlink_show_one(struct filter *f, |
acd1e437 SH |
3519 | int prot, int pid, unsigned int groups, |
3520 | int state, int dst_pid, unsigned int dst_group, | |
129709ae AV |
3521 | int rq, int wq, |
3522 | unsigned long long sk, unsigned long long cb) | |
3523 | { | |
2d791bc8 | 3524 | struct sockstat st; |
acd1e437 | 3525 | |
b217df10 VK |
3526 | SPRINT_BUF(prot_buf) = {}; |
3527 | const char *prot_name; | |
3528 | char procname[64] = {}; | |
eef43b50 | 3529 | |
2d791bc8 VK |
3530 | st.state = SS_CLOSE; |
3531 | st.rq = rq; | |
3532 | st.wq = wq; | |
3533 | ||
129709ae | 3534 | if (f->f) { |
055840f2 VK |
3535 | st.local.family = AF_NETLINK; |
3536 | st.remote.family = AF_NETLINK; | |
3537 | st.rport = -1; | |
3538 | st.lport = pid; | |
3539 | st.local.data[0] = prot; | |
055840f2 | 3540 | if (run_ssfilter(f->f, &st) == 0) |
5f24ec0e | 3541 | return 1; |
129709ae AV |
3542 | } |
3543 | ||
2d791bc8 | 3544 | sock_state_print(&st, "nl"); |
eef43b50 | 3545 | |
b217df10 VK |
3546 | if (resolve_services) |
3547 | prot_name = nl_proto_n2a(prot, prot_buf, sizeof(prot_buf)); | |
3548 | else | |
3549 | prot_name = int_to_str(prot, prot_buf); | |
eef43b50 | 3550 | |
129709ae | 3551 | if (pid == -1) { |
b217df10 | 3552 | procname[0] = '*'; |
129709ae AV |
3553 | } else if (resolve_services) { |
3554 | int done = 0; | |
acd1e437 | 3555 | |
129709ae AV |
3556 | if (!pid) { |
3557 | done = 1; | |
b217df10 | 3558 | strncpy(procname, "kernel", 6); |
129709ae | 3559 | } else if (pid > 0) { |
129709ae | 3560 | FILE *fp; |
acd1e437 | 3561 | |
0ee9052f | 3562 | snprintf(procname, sizeof(procname), "%s/%d/stat", |
129709ae AV |
3563 | getenv("PROC_ROOT") ? : "/proc", pid); |
3564 | if ((fp = fopen(procname, "r")) != NULL) { | |
3565 | if (fscanf(fp, "%*d (%[^)])", procname) == 1) { | |
0ee9052f | 3566 | snprintf(procname+strlen(procname), |
3567 | sizeof(procname)-strlen(procname), | |
3568 | "/%d", pid); | |
129709ae AV |
3569 | done = 1; |
3570 | } | |
3571 | fclose(fp); | |
3572 | } | |
3573 | } | |
3574 | if (!done) | |
b217df10 | 3575 | int_to_str(pid, procname); |
129709ae | 3576 | } else { |
b217df10 | 3577 | int_to_str(pid, procname); |
129709ae | 3578 | } |
f271fe01 | 3579 | |
b217df10 VK |
3580 | sock_addr_print(prot_name, ":", procname, NULL); |
3581 | ||
f271fe01 | 3582 | if (state == NETLINK_CONNECTED) { |
b217df10 VK |
3583 | char dst_group_buf[30]; |
3584 | char dst_pid_buf[30]; | |
acd1e437 | 3585 | |
b217df10 VK |
3586 | sock_addr_print(int_to_str(dst_group, dst_group_buf), ":", |
3587 | int_to_str(dst_pid, dst_pid_buf), NULL); | |
f271fe01 | 3588 | } else { |
b217df10 | 3589 | sock_addr_print("", "*", "", NULL); |
f271fe01 | 3590 | } |
129709ae | 3591 | |
116ac927 | 3592 | char *pid_context = NULL; |
acd1e437 | 3593 | |
116ac927 RH |
3594 | if (show_proc_ctx) { |
3595 | /* The pid value will either be: | |
3596 | * 0 if destination kernel - show kernel initial context. | |
3597 | * A valid process pid - use getpidcon. | |
3598 | * A unique value allocated by the kernel or netlink user | |
3599 | * to the process - show context as "not available". | |
3600 | */ | |
3601 | if (!pid) | |
3602 | security_get_initial_context("kernel", &pid_context); | |
3603 | else if (pid > 0) | |
3604 | getpidcon(pid, &pid_context); | |
3605 | ||
3606 | if (pid_context != NULL) { | |
3607 | printf("proc_ctx=%-*s ", serv_width, pid_context); | |
3608 | free(pid_context); | |
3609 | } else { | |
3610 | printf("proc_ctx=%-*s ", serv_width, "unavailable"); | |
3611 | } | |
3612 | } | |
3613 | ||
129709ae AV |
3614 | if (show_details) { |
3615 | printf(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups); | |
3616 | } | |
3617 | printf("\n"); | |
3618 | ||
5f24ec0e | 3619 | return 0; |
129709ae AV |
3620 | } |
3621 | ||
8a4025f6 | 3622 | static int netlink_show_sock(const struct sockaddr_nl *addr, |
3623 | struct nlmsghdr *nlh, void *arg) | |
ecb928c8 | 3624 | { |
8a4025f6 | 3625 | struct filter *f = (struct filter *)arg; |
ecb928c8 AV |
3626 | struct netlink_diag_msg *r = NLMSG_DATA(nlh); |
3627 | struct rtattr *tb[NETLINK_DIAG_MAX+1]; | |
3628 | int rq = 0, wq = 0; | |
3629 | unsigned long groups = 0; | |
3630 | ||
acd1e437 | 3631 | parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr *)(r+1), |
ecb928c8 AV |
3632 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3633 | ||
3634 | if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS])) | |
3635 | groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]); | |
3636 | ||
3637 | if (tb[NETLINK_DIAG_MEMINFO]) { | |
3638 | const __u32 *skmeminfo; | |
acd1e437 | 3639 | |
ecb928c8 AV |
3640 | skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]); |
3641 | ||
3642 | rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; | |
3643 | wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC]; | |
3644 | } | |
3645 | ||
5f24ec0e | 3646 | if (netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups, |
ecb928c8 | 3647 | r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group, |
5f24ec0e VK |
3648 | rq, wq, 0, 0)) { |
3649 | return 0; | |
3650 | } | |
ecb928c8 AV |
3651 | |
3652 | if (show_mem) { | |
3653 | printf("\t"); | |
3654 | print_skmeminfo(tb, NETLINK_DIAG_MEMINFO); | |
3655 | printf("\n"); | |
3656 | } | |
3657 | ||
3658 | return 0; | |
3659 | } | |
3660 | ||
8a4025f6 | 3661 | static int netlink_show_netlink(struct filter *f) |
ecb928c8 | 3662 | { |
5fb421d4 | 3663 | DIAG_REQUEST(req, struct netlink_diag_req r); |
ecb928c8 AV |
3664 | |
3665 | req.r.sdiag_family = AF_NETLINK; | |
3666 | req.r.sdiag_protocol = NDIAG_PROTO_ALL; | |
3667 | req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO; | |
3668 | ||
8a4025f6 | 3669 | return handle_netlink_request(f, &req.nlh, sizeof(req), netlink_show_sock); |
ecb928c8 AV |
3670 | } |
3671 | ||
d1f28cf1 | 3672 | static int netlink_show(struct filter *f) |
aba5acdf SH |
3673 | { |
3674 | FILE *fp; | |
3675 | char buf[256]; | |
3676 | int prot, pid; | |
acd1e437 | 3677 | unsigned int groups; |
aba5acdf SH |
3678 | int rq, wq, rc; |
3679 | unsigned long long sk, cb; | |
3680 | ||
9db7bf15 | 3681 | if (!filter_af_get(f, AF_NETLINK) || !(f->states & (1 << SS_CLOSE))) |
b9ea445d VK |
3682 | return 0; |
3683 | ||
129709ae | 3684 | if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") && |
8a4025f6 | 3685 | netlink_show_netlink(f) == 0) |
129709ae AV |
3686 | return 0; |
3687 | ||
ab01dbbb | 3688 | if ((fp = net_netlink_open()) == NULL) |
aba5acdf | 3689 | return -1; |
61170fd8 | 3690 | if (!fgets(buf, sizeof(buf), fp)) { |
d572ed4d PS |
3691 | fclose(fp); |
3692 | return -1; | |
3693 | } | |
aba5acdf | 3694 | |
61170fd8 | 3695 | while (fgets(buf, sizeof(buf), fp)) { |
aba5acdf SH |
3696 | sscanf(buf, "%llx %d %d %x %d %d %llx %d", |
3697 | &sk, | |
3698 | &prot, &pid, &groups, &rq, &wq, &cb, &rc); | |
3699 | ||
f271fe01 | 3700 | netlink_show_one(f, prot, pid, groups, 0, 0, 0, rq, wq, sk, cb); |
aba5acdf SH |
3701 | } |
3702 | ||
b95d28c3 | 3703 | fclose(fp); |
aba5acdf SH |
3704 | return 0; |
3705 | } | |
3706 | ||
6885e3bf CG |
3707 | struct sock_diag_msg { |
3708 | __u8 sdiag_family; | |
3709 | }; | |
3710 | ||
3711 | static int generic_show_sock(const struct sockaddr_nl *addr, | |
3712 | struct nlmsghdr *nlh, void *arg) | |
3713 | { | |
3714 | struct sock_diag_msg *r = NLMSG_DATA(nlh); | |
3715 | struct inet_diag_arg inet_arg = { .f = arg, .protocol = IPPROTO_MAX }; | |
3716 | ||
3717 | switch (r->sdiag_family) { | |
3718 | case AF_INET: | |
3719 | case AF_INET6: | |
3720 | return show_one_inet_sock(addr, nlh, &inet_arg); | |
3721 | case AF_UNIX: | |
3722 | return unix_show_sock(addr, nlh, arg); | |
3723 | case AF_PACKET: | |
3724 | return packet_show_sock(addr, nlh, arg); | |
3725 | case AF_NETLINK: | |
3726 | return netlink_show_sock(addr, nlh, arg); | |
3727 | default: | |
3728 | return -1; | |
3729 | } | |
3730 | } | |
3731 | ||
3732 | static int handle_follow_request(struct filter *f) | |
3733 | { | |
3734 | int ret = -1; | |
3735 | int groups = 0; | |
3736 | struct rtnl_handle rth; | |
3737 | ||
3738 | if (f->families & (1 << AF_INET) && f->dbs & (1 << TCP_DB)) | |
3739 | groups |= 1 << (SKNLGRP_INET_TCP_DESTROY - 1); | |
3740 | if (f->families & (1 << AF_INET) && f->dbs & (1 << UDP_DB)) | |
3741 | groups |= 1 << (SKNLGRP_INET_UDP_DESTROY - 1); | |
3742 | if (f->families & (1 << AF_INET6) && f->dbs & (1 << TCP_DB)) | |
3743 | groups |= 1 << (SKNLGRP_INET6_TCP_DESTROY - 1); | |
3744 | if (f->families & (1 << AF_INET6) && f->dbs & (1 << UDP_DB)) | |
3745 | groups |= 1 << (SKNLGRP_INET6_UDP_DESTROY - 1); | |
3746 | ||
3747 | if (groups == 0) | |
3748 | return -1; | |
3749 | ||
3750 | if (rtnl_open_byproto(&rth, groups, NETLINK_SOCK_DIAG)) | |
3751 | return -1; | |
3752 | ||
3753 | rth.dump = 0; | |
3754 | rth.local.nl_pid = 0; | |
3755 | ||
3756 | if (rtnl_dump_filter(&rth, generic_show_sock, f)) | |
3757 | goto Exit; | |
3758 | ||
3759 | ret = 0; | |
3760 | Exit: | |
3761 | rtnl_close(&rth); | |
3762 | return ret; | |
3763 | } | |
3764 | ||
acd1e437 | 3765 | struct snmpstat { |
aba5acdf SH |
3766 | int tcp_estab; |
3767 | }; | |
3768 | ||
d1f28cf1 | 3769 | static int get_snmp_int(char *proto, char *key, int *result) |
aba5acdf SH |
3770 | { |
3771 | char buf[1024]; | |
3772 | FILE *fp; | |
3773 | int protolen = strlen(proto); | |
3774 | int keylen = strlen(key); | |
3775 | ||
3776 | *result = 0; | |
3777 | ||
ab01dbbb | 3778 | if ((fp = net_snmp_open()) == NULL) |
aba5acdf SH |
3779 | return -1; |
3780 | ||
3781 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
3782 | char *p = buf; | |
3783 | int pos = 0; | |
acd1e437 | 3784 | |
aba5acdf SH |
3785 | if (memcmp(buf, proto, protolen)) |
3786 | continue; | |
3787 | while ((p = strchr(p, ' ')) != NULL) { | |
3788 | pos++; | |
3789 | p++; | |
3790 | if (memcmp(p, key, keylen) == 0 && | |
3791 | (p[keylen] == ' ' || p[keylen] == '\n')) | |
3792 | break; | |
3793 | } | |
3794 | if (fgets(buf, sizeof(buf), fp) == NULL) | |
3795 | break; | |
3796 | if (memcmp(buf, proto, protolen)) | |
3797 | break; | |
3798 | p = buf; | |
3799 | while ((p = strchr(p, ' ')) != NULL) { | |
3800 | p++; | |
3801 | if (--pos == 0) { | |
3802 | sscanf(p, "%d", result); | |
3803 | fclose(fp); | |
3804 | return 0; | |
3805 | } | |
3806 | } | |
3807 | } | |
3808 | ||
3809 | fclose(fp); | |
3810 | errno = ESRCH; | |
3811 | return -1; | |
3812 | } | |
3813 | ||
3814 | ||
3815 | /* Get stats from sockstat */ | |
3816 | ||
acd1e437 | 3817 | struct ssummary { |
aba5acdf SH |
3818 | int socks; |
3819 | int tcp_mem; | |
3820 | int tcp_total; | |
3821 | int tcp_orphans; | |
3822 | int tcp_tws; | |
3823 | int tcp4_hashed; | |
3824 | int udp4; | |
3825 | int raw4; | |
3826 | int frag4; | |
3827 | int frag4_mem; | |
3828 | int tcp6_hashed; | |
3829 | int udp6; | |
3830 | int raw6; | |
3831 | int frag6; | |
3832 | int frag6_mem; | |
3833 | }; | |
3834 | ||
055840f2 | 3835 | static void get_sockstat_line(char *line, struct ssummary *s) |
aba5acdf SH |
3836 | { |
3837 | char id[256], rem[256]; | |
3838 | ||
3839 | if (sscanf(line, "%[^ ] %[^\n]\n", id, rem) != 2) | |
3840 | return; | |
3841 | ||
3842 | if (strcmp(id, "sockets:") == 0) | |
3843 | sscanf(rem, "%*s%d", &s->socks); | |
3844 | else if (strcmp(id, "UDP:") == 0) | |
3845 | sscanf(rem, "%*s%d", &s->udp4); | |
3846 | else if (strcmp(id, "UDP6:") == 0) | |
3847 | sscanf(rem, "%*s%d", &s->udp6); | |
3848 | else if (strcmp(id, "RAW:") == 0) | |
3849 | sscanf(rem, "%*s%d", &s->raw4); | |
3850 | else if (strcmp(id, "RAW6:") == 0) | |
3851 | sscanf(rem, "%*s%d", &s->raw6); | |
3852 | else if (strcmp(id, "TCP6:") == 0) | |
3853 | sscanf(rem, "%*s%d", &s->tcp6_hashed); | |
3854 | else if (strcmp(id, "FRAG:") == 0) | |
3855 | sscanf(rem, "%*s%d%*s%d", &s->frag4, &s->frag4_mem); | |
3856 | else if (strcmp(id, "FRAG6:") == 0) | |
3857 | sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem); | |
3858 | else if (strcmp(id, "TCP:") == 0) | |
3859 | sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d", | |
3860 | &s->tcp4_hashed, | |
3861 | &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem); | |
3862 | } | |
3863 | ||
055840f2 | 3864 | static int get_sockstat(struct ssummary *s) |
aba5acdf SH |
3865 | { |
3866 | char buf[256]; | |
3867 | FILE *fp; | |
3868 | ||
3869 | memset(s, 0, sizeof(*s)); | |
3870 | ||
ab01dbbb | 3871 | if ((fp = net_sockstat_open()) == NULL) |
aba5acdf | 3872 | return -1; |
acd1e437 | 3873 | while (fgets(buf, sizeof(buf), fp) != NULL) |
aba5acdf SH |
3874 | get_sockstat_line(buf, s); |
3875 | fclose(fp); | |
3876 | ||
ab01dbbb | 3877 | if ((fp = net_sockstat6_open()) == NULL) |
aba5acdf | 3878 | return 0; |
acd1e437 | 3879 | while (fgets(buf, sizeof(buf), fp) != NULL) |
aba5acdf SH |
3880 | get_sockstat_line(buf, s); |
3881 | fclose(fp); | |
3882 | ||
3883 | return 0; | |
3884 | } | |
3885 | ||
d1f28cf1 | 3886 | static int print_summary(void) |
aba5acdf | 3887 | { |
055840f2 | 3888 | struct ssummary s; |
aba5acdf SH |
3889 | struct snmpstat sn; |
3890 | ||
3891 | if (get_sockstat(&s) < 0) | |
3892 | perror("ss: get_sockstat"); | |
3893 | if (get_snmp_int("Tcp:", "CurrEstab", &sn.tcp_estab) < 0) | |
3894 | perror("ss: get_snmpstat"); | |
3895 | ||
a221d621 BL |
3896 | get_slabstat(&slabstat); |
3897 | ||
aba5acdf SH |
3898 | printf("Total: %d (kernel %d)\n", s.socks, slabstat.socks); |
3899 | ||
3900 | printf("TCP: %d (estab %d, closed %d, orphaned %d, synrecv %d, timewait %d/%d), ports %d\n", | |
3901 | s.tcp_total + slabstat.tcp_syns + s.tcp_tws, | |
3902 | sn.tcp_estab, | |
3903 | s.tcp_total - (s.tcp4_hashed+s.tcp6_hashed-s.tcp_tws), | |
3904 | s.tcp_orphans, | |
3905 | slabstat.tcp_syns, | |
3906 | s.tcp_tws, slabstat.tcp_tws, | |
3907 | slabstat.tcp_ports | |
3908 | ); | |
3909 | ||
3910 | printf("\n"); | |
3911 | printf("Transport Total IP IPv6\n"); | |
3912 | printf("* %-9d %-9s %-9s\n", slabstat.socks, "-", "-"); | |
3913 | printf("RAW %-9d %-9d %-9d\n", s.raw4+s.raw6, s.raw4, s.raw6); | |
3914 | printf("UDP %-9d %-9d %-9d\n", s.udp4+s.udp6, s.udp4, s.udp6); | |
3915 | printf("TCP %-9d %-9d %-9d\n", s.tcp4_hashed+s.tcp6_hashed, s.tcp4_hashed, s.tcp6_hashed); | |
ae665a52 | 3916 | printf("INET %-9d %-9d %-9d\n", |
aba5acdf SH |
3917 | s.raw4+s.udp4+s.tcp4_hashed+ |
3918 | s.raw6+s.udp6+s.tcp6_hashed, | |
3919 | s.raw4+s.udp4+s.tcp4_hashed, | |
3920 | s.raw6+s.udp6+s.tcp6_hashed); | |
3921 | printf("FRAG %-9d %-9d %-9d\n", s.frag4+s.frag6, s.frag4, s.frag6); | |
3922 | ||
3923 | printf("\n"); | |
3924 | ||
3925 | return 0; | |
3926 | } | |
3927 | ||
7a96e199 | 3928 | static void _usage(FILE *dest) |
aba5acdf | 3929 | { |
7a96e199 | 3930 | fprintf(dest, |
aba5acdf SH |
3931 | "Usage: ss [ OPTIONS ]\n" |
3932 | " ss [ OPTIONS ] [ FILTER ]\n" | |
ff041f16 VK |
3933 | " -h, --help this message\n" |
3934 | " -V, --version output version information\n" | |
3935 | " -n, --numeric don't resolve service names\n" | |
ab61159a | 3936 | " -r, --resolve resolve host names\n" |
ff041f16 VK |
3937 | " -a, --all display all sockets\n" |
3938 | " -l, --listening display listening sockets\n" | |
ab61159a SH |
3939 | " -o, --options show timer information\n" |
3940 | " -e, --extended show detailed socket information\n" | |
3941 | " -m, --memory show socket memory usage\n" | |
ff041f16 VK |
3942 | " -p, --processes show process using socket\n" |
3943 | " -i, --info show internal TCP information\n" | |
3944 | " -s, --summary show socket usage summary\n" | |
b0f01cf6 | 3945 | " -b, --bpf show bpf filter socket information\n" |
6885e3bf | 3946 | " -E, --events continually display sockets as they are destroyed\n" |
ff041f16 VK |
3947 | " -Z, --context display process SELinux security contexts\n" |
3948 | " -z, --contexts display process and socket SELinux security contexts\n" | |
95ce04bc | 3949 | " -N, --net switch to the specified network namespace name\n" |
ab61159a SH |
3950 | "\n" |
3951 | " -4, --ipv4 display only IP version 4 sockets\n" | |
3952 | " -6, --ipv6 display only IP version 6 sockets\n" | |
ff041f16 VK |
3953 | " -0, --packet display PACKET sockets\n" |
3954 | " -t, --tcp display only TCP sockets\n" | |
f89d46ad | 3955 | " -S, --sctp display only SCTP sockets\n" |
ff041f16 VK |
3956 | " -u, --udp display only UDP sockets\n" |
3957 | " -d, --dccp display only DCCP sockets\n" | |
3958 | " -w, --raw display only RAW sockets\n" | |
3959 | " -x, --unix display only Unix domain sockets\n" | |
ab61159a | 3960 | " -f, --family=FAMILY display sockets of type FAMILY\n" |
ebef3174 | 3961 | " FAMILY := {inet|inet6|link|unix|netlink|help}\n" |
ab61159a | 3962 | "\n" |
fb2594c1 | 3963 | " -K, --kill forcibly close sockets, display what was closed\n" |
7a4559f6 | 3964 | " -H, --no-header Suppress header line\n" |
fb2594c1 | 3965 | "\n" |
583de149 | 3966 | " -A, --query=QUERY, --socket=QUERY\n" |
56dee73e | 3967 | " QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink}[,QUERY]\n" |
ab61159a | 3968 | "\n" |
583de149 | 3969 | " -D, --diag=FILE Dump raw information about TCP sockets to FILE\n" |
ab61159a | 3970 | " -F, --filter=FILE read filter information from FILE\n" |
ff041f16 VK |
3971 | " FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n" |
3972 | " STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n" | |
3973 | " TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listen|closing}\n" | |
3974 | " connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" | |
3975 | " synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" | |
3976 | " bucket := {syn-recv|time-wait}\n" | |
3977 | " big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listen|closing}\n" | |
ab61159a | 3978 | ); |
7a96e199 AH |
3979 | } |
3980 | ||
3981 | static void help(void) __attribute__((noreturn)); | |
3982 | static void help(void) | |
3983 | { | |
3984 | _usage(stdout); | |
3985 | exit(0); | |
3986 | } | |
3987 | ||
3988 | static void usage(void) __attribute__((noreturn)); | |
3989 | static void usage(void) | |
3990 | { | |
3991 | _usage(stderr); | |
aba5acdf SH |
3992 | exit(-1); |
3993 | } | |
3994 | ||
3995 | ||
d1f28cf1 | 3996 | static int scan_state(const char *state) |
aba5acdf SH |
3997 | { |
3998 | int i; | |
acd1e437 | 3999 | |
aba5acdf SH |
4000 | if (strcasecmp(state, "close") == 0 || |
4001 | strcasecmp(state, "closed") == 0) | |
4002 | return (1<<SS_CLOSE); | |
4003 | if (strcasecmp(state, "syn-rcv") == 0) | |
4004 | return (1<<SS_SYN_RECV); | |
1a5bad5a | 4005 | if (strcasecmp(state, "established") == 0) |
aba5acdf SH |
4006 | return (1<<SS_ESTABLISHED); |
4007 | if (strcasecmp(state, "all") == 0) | |
4008 | return SS_ALL; | |
4009 | if (strcasecmp(state, "connected") == 0) | |
4010 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)); | |
1a5bad5a | 4011 | if (strcasecmp(state, "synchronized") == 0) |
aba5acdf SH |
4012 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)|(1<<SS_SYN_SENT)); |
4013 | if (strcasecmp(state, "bucket") == 0) | |
4014 | return (1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT); | |
4015 | if (strcasecmp(state, "big") == 0) | |
4016 | return SS_ALL & ~((1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT)); | |
acd1e437 | 4017 | for (i = 0; i < SS_MAX; i++) { |
1a5bad5a | 4018 | if (strcasecmp(state, sstate_namel[i]) == 0) |
aba5acdf SH |
4019 | return (1<<i); |
4020 | } | |
9db7bf15 VK |
4021 | |
4022 | fprintf(stderr, "ss: wrong state name: %s\n", state); | |
4023 | exit(-1); | |
aba5acdf SH |
4024 | } |
4025 | ||
ab61159a SH |
4026 | static const struct option long_opts[] = { |
4027 | { "numeric", 0, 0, 'n' }, | |
4028 | { "resolve", 0, 0, 'r' }, | |
4029 | { "options", 0, 0, 'o' }, | |
4030 | { "extended", 0, 0, 'e' }, | |
4031 | { "memory", 0, 0, 'm' }, | |
4032 | { "info", 0, 0, 'i' }, | |
4033 | { "processes", 0, 0, 'p' }, | |
372c30d2 | 4034 | { "bpf", 0, 0, 'b' }, |
6885e3bf | 4035 | { "events", 0, 0, 'E' }, |
351efcde | 4036 | { "dccp", 0, 0, 'd' }, |
ab61159a | 4037 | { "tcp", 0, 0, 't' }, |
f89d46ad | 4038 | { "sctp", 0, 0, 'S' }, |
ab61159a SH |
4039 | { "udp", 0, 0, 'u' }, |
4040 | { "raw", 0, 0, 'w' }, | |
4041 | { "unix", 0, 0, 'x' }, | |
4042 | { "all", 0, 0, 'a' }, | |
4043 | { "listening", 0, 0, 'l' }, | |
4044 | { "ipv4", 0, 0, '4' }, | |
4045 | { "ipv6", 0, 0, '6' }, | |
4046 | { "packet", 0, 0, '0' }, | |
4047 | { "family", 1, 0, 'f' }, | |
4048 | { "socket", 1, 0, 'A' }, | |
583de149 | 4049 | { "query", 1, 0, 'A' }, |
c3f346b0 | 4050 | { "summary", 0, 0, 's' }, |
583de149 | 4051 | { "diag", 1, 0, 'D' }, |
ab61159a SH |
4052 | { "filter", 1, 0, 'F' }, |
4053 | { "version", 0, 0, 'V' }, | |
4054 | { "help", 0, 0, 'h' }, | |
116ac927 RH |
4055 | { "context", 0, 0, 'Z' }, |
4056 | { "contexts", 0, 0, 'z' }, | |
95ce04bc | 4057 | { "net", 1, 0, 'N' }, |
fb2594c1 | 4058 | { "kill", 0, 0, 'K' }, |
7a4559f6 | 4059 | { "no-header", 0, 0, 'H' }, |
ab61159a | 4060 | { 0 } |
ae665a52 | 4061 | |
ab61159a SH |
4062 | }; |
4063 | ||
aba5acdf SH |
4064 | int main(int argc, char *argv[]) |
4065 | { | |
aba5acdf SH |
4066 | int saw_states = 0; |
4067 | int saw_query = 0; | |
4068 | int do_summary = 0; | |
7d105b56 | 4069 | const char *dump_tcpdiag = NULL; |
aba5acdf SH |
4070 | FILE *filter_fp = NULL; |
4071 | int ch; | |
9db7bf15 | 4072 | int state_filter = 0; |
aba5acdf | 4073 | |
168d97f9 SH |
4074 | while ((ch = getopt_long(argc, argv, |
4075 | "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KHS", | |
ab61159a | 4076 | long_opts, NULL)) != EOF) { |
acd1e437 | 4077 | switch (ch) { |
aba5acdf SH |
4078 | case 'n': |
4079 | resolve_services = 0; | |
4080 | break; | |
4081 | case 'r': | |
4082 | resolve_hosts = 1; | |
4083 | break; | |
4084 | case 'o': | |
4085 | show_options = 1; | |
4086 | break; | |
4087 | case 'e': | |
4088 | show_options = 1; | |
4089 | show_details++; | |
4090 | break; | |
4091 | case 'm': | |
4092 | show_mem = 1; | |
4093 | break; | |
4094 | case 'i': | |
4095 | show_tcpinfo = 1; | |
4096 | break; | |
4097 | case 'p': | |
4098 | show_users++; | |
fbc0f876 | 4099 | user_ent_hash_build(); |
aba5acdf | 4100 | break; |
372c30d2 ND |
4101 | case 'b': |
4102 | show_options = 1; | |
4103 | show_bpf++; | |
4104 | break; | |
6885e3bf CG |
4105 | case 'E': |
4106 | follow_events = 1; | |
4107 | break; | |
351efcde | 4108 | case 'd': |
57ff5a10 | 4109 | filter_db_set(¤t_filter, DCCP_DB); |
351efcde | 4110 | break; |
aba5acdf | 4111 | case 't': |
57ff5a10 | 4112 | filter_db_set(¤t_filter, TCP_DB); |
aba5acdf | 4113 | break; |
f89d46ad PS |
4114 | case 'S': |
4115 | filter_db_set(¤t_filter, SCTP_DB); | |
4116 | break; | |
aba5acdf | 4117 | case 'u': |
57ff5a10 | 4118 | filter_db_set(¤t_filter, UDP_DB); |
aba5acdf SH |
4119 | break; |
4120 | case 'w': | |
57ff5a10 | 4121 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf SH |
4122 | break; |
4123 | case 'x': | |
9db7bf15 | 4124 | filter_af_set(¤t_filter, AF_UNIX); |
aba5acdf SH |
4125 | break; |
4126 | case 'a': | |
9db7bf15 | 4127 | state_filter = SS_ALL; |
aba5acdf SH |
4128 | break; |
4129 | case 'l': | |
9db7bf15 | 4130 | state_filter = (1 << SS_LISTEN) | (1 << SS_CLOSE); |
aba5acdf SH |
4131 | break; |
4132 | case '4': | |
9db7bf15 | 4133 | filter_af_set(¤t_filter, AF_INET); |
aba5acdf SH |
4134 | break; |
4135 | case '6': | |
9db7bf15 | 4136 | filter_af_set(¤t_filter, AF_INET6); |
aba5acdf SH |
4137 | break; |
4138 | case '0': | |
9db7bf15 | 4139 | filter_af_set(¤t_filter, AF_PACKET); |
aba5acdf SH |
4140 | break; |
4141 | case 'f': | |
4142 | if (strcmp(optarg, "inet") == 0) | |
9db7bf15 | 4143 | filter_af_set(¤t_filter, AF_INET); |
aba5acdf | 4144 | else if (strcmp(optarg, "inet6") == 0) |
9db7bf15 | 4145 | filter_af_set(¤t_filter, AF_INET6); |
aba5acdf | 4146 | else if (strcmp(optarg, "link") == 0) |
9db7bf15 | 4147 | filter_af_set(¤t_filter, AF_PACKET); |
aba5acdf | 4148 | else if (strcmp(optarg, "unix") == 0) |
9db7bf15 | 4149 | filter_af_set(¤t_filter, AF_UNIX); |
aba5acdf | 4150 | else if (strcmp(optarg, "netlink") == 0) |
9db7bf15 | 4151 | filter_af_set(¤t_filter, AF_NETLINK); |
aba5acdf | 4152 | else if (strcmp(optarg, "help") == 0) |
7a96e199 | 4153 | help(); |
aba5acdf | 4154 | else { |
9db7bf15 VK |
4155 | fprintf(stderr, "ss: \"%s\" is invalid family\n", |
4156 | optarg); | |
aba5acdf SH |
4157 | usage(); |
4158 | } | |
4159 | break; | |
4160 | case 'A': | |
4161 | { | |
4162 | char *p, *p1; | |
acd1e437 | 4163 | |
aba5acdf SH |
4164 | if (!saw_query) { |
4165 | current_filter.dbs = 0; | |
7f9dddbe | 4166 | state_filter = state_filter ? |
acd1e437 | 4167 | state_filter : SS_CONN; |
aba5acdf SH |
4168 | saw_query = 1; |
4169 | do_default = 0; | |
4170 | } | |
4171 | p = p1 = optarg; | |
4172 | do { | |
4173 | if ((p1 = strchr(p, ',')) != NULL) | |
ae665a52 | 4174 | *p1 = 0; |
aba5acdf | 4175 | if (strcmp(p, "all") == 0) { |
57ff5a10 | 4176 | filter_default_dbs(¤t_filter); |
aba5acdf | 4177 | } else if (strcmp(p, "inet") == 0) { |
57ff5a10 VK |
4178 | filter_db_set(¤t_filter, UDP_DB); |
4179 | filter_db_set(¤t_filter, DCCP_DB); | |
4180 | filter_db_set(¤t_filter, TCP_DB); | |
f89d46ad | 4181 | filter_db_set(¤t_filter, SCTP_DB); |
57ff5a10 | 4182 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf | 4183 | } else if (strcmp(p, "udp") == 0) { |
57ff5a10 | 4184 | filter_db_set(¤t_filter, UDP_DB); |
351efcde | 4185 | } else if (strcmp(p, "dccp") == 0) { |
57ff5a10 | 4186 | filter_db_set(¤t_filter, DCCP_DB); |
aba5acdf | 4187 | } else if (strcmp(p, "tcp") == 0) { |
57ff5a10 | 4188 | filter_db_set(¤t_filter, TCP_DB); |
f89d46ad PS |
4189 | } else if (strcmp(p, "sctp") == 0) { |
4190 | filter_db_set(¤t_filter, SCTP_DB); | |
aba5acdf | 4191 | } else if (strcmp(p, "raw") == 0) { |
57ff5a10 | 4192 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf | 4193 | } else if (strcmp(p, "unix") == 0) { |
57ff5a10 VK |
4194 | filter_db_set(¤t_filter, UNIX_ST_DB); |
4195 | filter_db_set(¤t_filter, UNIX_DG_DB); | |
4196 | filter_db_set(¤t_filter, UNIX_SQ_DB); | |
1a5bad5a | 4197 | } else if (strcasecmp(p, "unix_stream") == 0 || |
aba5acdf | 4198 | strcmp(p, "u_str") == 0) { |
57ff5a10 | 4199 | filter_db_set(¤t_filter, UNIX_ST_DB); |
1a5bad5a | 4200 | } else if (strcasecmp(p, "unix_dgram") == 0 || |
aba5acdf | 4201 | strcmp(p, "u_dgr") == 0) { |
57ff5a10 | 4202 | filter_db_set(¤t_filter, UNIX_DG_DB); |
30b669d7 MY |
4203 | } else if (strcasecmp(p, "unix_seqpacket") == 0 || |
4204 | strcmp(p, "u_seq") == 0) { | |
57ff5a10 | 4205 | filter_db_set(¤t_filter, UNIX_SQ_DB); |
aba5acdf | 4206 | } else if (strcmp(p, "packet") == 0) { |
57ff5a10 VK |
4207 | filter_db_set(¤t_filter, PACKET_R_DB); |
4208 | filter_db_set(¤t_filter, PACKET_DG_DB); | |
aba5acdf SH |
4209 | } else if (strcmp(p, "packet_raw") == 0 || |
4210 | strcmp(p, "p_raw") == 0) { | |
57ff5a10 | 4211 | filter_db_set(¤t_filter, PACKET_R_DB); |
aba5acdf SH |
4212 | } else if (strcmp(p, "packet_dgram") == 0 || |
4213 | strcmp(p, "p_dgr") == 0) { | |
57ff5a10 | 4214 | filter_db_set(¤t_filter, PACKET_DG_DB); |
aba5acdf | 4215 | } else if (strcmp(p, "netlink") == 0) { |
57ff5a10 | 4216 | filter_db_set(¤t_filter, NETLINK_DB); |
aba5acdf SH |
4217 | } else { |
4218 | fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p); | |
4219 | usage(); | |
4220 | } | |
4221 | p = p1 + 1; | |
4222 | } while (p1); | |
4223 | break; | |
4224 | } | |
4225 | case 's': | |
4226 | do_summary = 1; | |
4227 | break; | |
4228 | case 'D': | |
4229 | dump_tcpdiag = optarg; | |
4230 | break; | |
4231 | case 'F': | |
4232 | if (filter_fp) { | |
4233 | fprintf(stderr, "More than one filter file\n"); | |
4234 | exit(-1); | |
4235 | } | |
4236 | if (optarg[0] == '-') | |
4237 | filter_fp = stdin; | |
4238 | else | |
4239 | filter_fp = fopen(optarg, "r"); | |
4240 | if (!filter_fp) { | |
4241 | perror("fopen filter file"); | |
4242 | exit(-1); | |
4243 | } | |
4244 | break; | |
4245 | case 'v': | |
4246 | case 'V': | |
4247 | printf("ss utility, iproute2-ss%s\n", SNAPSHOT); | |
4248 | exit(0); | |
116ac927 RH |
4249 | case 'z': |
4250 | show_sock_ctx++; | |
4251 | case 'Z': | |
4252 | if (is_selinux_enabled() <= 0) { | |
4253 | fprintf(stderr, "ss: SELinux is not enabled.\n"); | |
4254 | exit(1); | |
4255 | } | |
4256 | show_proc_ctx++; | |
4257 | user_ent_hash_build(); | |
4258 | break; | |
95ce04bc VK |
4259 | case 'N': |
4260 | if (netns_switch(optarg)) | |
4261 | exit(1); | |
4262 | break; | |
fb2594c1 LC |
4263 | case 'K': |
4264 | current_filter.kill = 1; | |
4265 | break; | |
7a4559f6 DA |
4266 | case 'H': |
4267 | show_header = 0; | |
4268 | break; | |
aba5acdf | 4269 | case 'h': |
7a96e199 | 4270 | help(); |
f73105ab | 4271 | case '?': |
aba5acdf SH |
4272 | default: |
4273 | usage(); | |
4274 | } | |
4275 | } | |
4276 | ||
4277 | argc -= optind; | |
4278 | argv += optind; | |
4279 | ||
aba5acdf SH |
4280 | if (do_summary) { |
4281 | print_summary(); | |
4282 | if (do_default && argc == 0) | |
4283 | exit(0); | |
4284 | } | |
4285 | ||
aba5acdf SH |
4286 | while (argc > 0) { |
4287 | if (strcmp(*argv, "state") == 0) { | |
4288 | NEXT_ARG(); | |
4289 | if (!saw_states) | |
9db7bf15 VK |
4290 | state_filter = 0; |
4291 | state_filter |= scan_state(*argv); | |
aba5acdf SH |
4292 | saw_states = 1; |
4293 | } else if (strcmp(*argv, "exclude") == 0 || | |
4294 | strcmp(*argv, "excl") == 0) { | |
4295 | NEXT_ARG(); | |
4296 | if (!saw_states) | |
9db7bf15 VK |
4297 | state_filter = SS_ALL; |
4298 | state_filter &= ~scan_state(*argv); | |
aba5acdf SH |
4299 | saw_states = 1; |
4300 | } else { | |
aba5acdf SH |
4301 | break; |
4302 | } | |
4303 | argc--; argv++; | |
4304 | } | |
4305 | ||
9db7bf15 VK |
4306 | if (do_default) { |
4307 | state_filter = state_filter ? state_filter : SS_CONN; | |
4308 | filter_default_dbs(¤t_filter); | |
9db7bf15 VK |
4309 | } |
4310 | ||
57ff5a10 VK |
4311 | filter_states_set(¤t_filter, state_filter); |
4312 | filter_merge_defaults(¤t_filter); | |
4313 | ||
9db7bf15 | 4314 | if (resolve_services && resolve_hosts && |
168d97f9 | 4315 | (current_filter.dbs & (UNIX_DBM|INET_L4_DBM))) |
9db7bf15 VK |
4316 | init_service_resolver(); |
4317 | ||
9db7bf15 VK |
4318 | if (current_filter.dbs == 0) { |
4319 | fprintf(stderr, "ss: no socket tables to show with such filter.\n"); | |
4320 | exit(0); | |
4321 | } | |
4322 | if (current_filter.families == 0) { | |
4323 | fprintf(stderr, "ss: no families to show with such filter.\n"); | |
4324 | exit(0); | |
4325 | } | |
aba5acdf SH |
4326 | if (current_filter.states == 0) { |
4327 | fprintf(stderr, "ss: no socket states to show with such filter.\n"); | |
4328 | exit(0); | |
4329 | } | |
4330 | ||
4331 | if (dump_tcpdiag) { | |
4332 | FILE *dump_fp = stdout; | |
acd1e437 | 4333 | |
aba5acdf SH |
4334 | if (!(current_filter.dbs & (1<<TCP_DB))) { |
4335 | fprintf(stderr, "ss: tcpdiag dump requested and no tcp in filter.\n"); | |
4336 | exit(0); | |
4337 | } | |
4338 | if (dump_tcpdiag[0] != '-') { | |
4339 | dump_fp = fopen(dump_tcpdiag, "w"); | |
4340 | if (!dump_tcpdiag) { | |
4341 | perror("fopen dump file"); | |
4342 | exit(-1); | |
4343 | } | |
4344 | } | |
3fe5b534 | 4345 | inet_show_netlink(¤t_filter, dump_fp, IPPROTO_TCP); |
aba5acdf SH |
4346 | fflush(dump_fp); |
4347 | exit(0); | |
4348 | } | |
4349 | ||
1527a17e VK |
4350 | if (ssfilter_parse(¤t_filter.f, argc, argv, filter_fp)) |
4351 | usage(); | |
4352 | ||
aba5acdf SH |
4353 | netid_width = 0; |
4354 | if (current_filter.dbs&(current_filter.dbs-1)) | |
4355 | netid_width = 5; | |
4356 | ||
4357 | state_width = 0; | |
4358 | if (current_filter.states&(current_filter.states-1)) | |
4359 | state_width = 10; | |
4360 | ||
4361 | screen_width = 80; | |
4362 | if (isatty(STDOUT_FILENO)) { | |
4363 | struct winsize w; | |
4364 | ||
4365 | if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) { | |
4366 | if (w.ws_col > 0) | |
4367 | screen_width = w.ws_col; | |
4368 | } | |
4369 | } | |
4370 | ||
4371 | addrp_width = screen_width; | |
4372 | addrp_width -= netid_width+1; | |
4373 | addrp_width -= state_width+1; | |
4374 | addrp_width -= 14; | |
4375 | ||
4376 | if (addrp_width&1) { | |
4377 | if (netid_width) | |
4378 | netid_width++; | |
4379 | else if (state_width) | |
4380 | state_width++; | |
4381 | } | |
4382 | ||
4383 | addrp_width /= 2; | |
4384 | addrp_width--; | |
4385 | ||
4386 | serv_width = resolve_services ? 7 : 5; | |
4387 | ||
4388 | if (addrp_width < 15+serv_width+1) | |
4389 | addrp_width = 15+serv_width+1; | |
4390 | ||
ae665a52 | 4391 | addr_width = addrp_width - serv_width - 1; |
aba5acdf | 4392 | |
7a4559f6 DA |
4393 | if (show_header) { |
4394 | if (netid_width) | |
4395 | printf("%-*s ", netid_width, "Netid"); | |
4396 | if (state_width) | |
4397 | printf("%-*s ", state_width, "State"); | |
4398 | printf("%-6s %-6s ", "Recv-Q", "Send-Q"); | |
4399 | } | |
aba5acdf | 4400 | |
d68e00f7 | 4401 | /* Make enough space for the local/remote port field */ |
4402 | addr_width -= 13; | |
4403 | serv_width += 13; | |
2dc85485 | 4404 | |
7a4559f6 DA |
4405 | if (show_header) { |
4406 | printf("%*s:%-*s %*s:%-*s\n", | |
4407 | addr_width, "Local Address", serv_width, "Port", | |
4408 | addr_width, "Peer Address", serv_width, "Port"); | |
4409 | } | |
aba5acdf | 4410 | |
aba5acdf SH |
4411 | fflush(stdout); |
4412 | ||
6885e3bf CG |
4413 | if (follow_events) |
4414 | exit(handle_follow_request(¤t_filter)); | |
4415 | ||
aba5acdf SH |
4416 | if (current_filter.dbs & (1<<NETLINK_DB)) |
4417 | netlink_show(¤t_filter); | |
4418 | if (current_filter.dbs & PACKET_DBM) | |
4419 | packet_show(¤t_filter); | |
4420 | if (current_filter.dbs & UNIX_DBM) | |
4421 | unix_show(¤t_filter); | |
4422 | if (current_filter.dbs & (1<<RAW_DB)) | |
4423 | raw_show(¤t_filter); | |
4424 | if (current_filter.dbs & (1<<UDP_DB)) | |
4425 | udp_show(¤t_filter); | |
4426 | if (current_filter.dbs & (1<<TCP_DB)) | |
3fe5b534 | 4427 | tcp_show(¤t_filter, IPPROTO_TCP); |
351efcde | 4428 | if (current_filter.dbs & (1<<DCCP_DB)) |
3fe5b534 | 4429 | tcp_show(¤t_filter, IPPROTO_DCCP); |
f89d46ad PS |
4430 | if (current_filter.dbs & (1<<SCTP_DB)) |
4431 | sctp_show(¤t_filter); | |
116ac927 RH |
4432 | |
4433 | if (show_users || show_proc_ctx || show_sock_ctx) | |
4434 | user_ent_destroy(); | |
4435 | ||
aba5acdf SH |
4436 | return 0; |
4437 | } |