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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> |
aba5acdf SH |
29 | |
30 | #include "utils.h" | |
31 | #include "rt_names.h" | |
32 | #include "ll_map.h" | |
33 | #include "libnetlink.h" | |
95ce04bc | 34 | #include "namespace.h" |
aba5acdf SH |
35 | #include "SNAPSHOT.h" |
36 | ||
9cb1eccf | 37 | #include <linux/tcp.h> |
f6062360 | 38 | #include <linux/sock_diag.h> |
351efcde | 39 | #include <linux/inet_diag.h> |
dfbaa90d | 40 | #include <linux/unix_diag.h> |
372c30d2 ND |
41 | #include <linux/netdevice.h> /* for MAX_ADDR_LEN */ |
42 | #include <linux/filter.h> | |
43 | #include <linux/packet_diag.h> | |
ecb928c8 | 44 | #include <linux/netlink_diag.h> |
aba5acdf | 45 | |
8a4025f6 | 46 | #define MAGIC_SEQ 123456 |
47 | ||
5fb421d4 | 48 | #define DIAG_REQUEST(_req, _r) \ |
49 | struct { \ | |
50 | struct nlmsghdr nlh; \ | |
51 | _r; \ | |
52 | } _req = { \ | |
53 | .nlh = { \ | |
54 | .nlmsg_type = SOCK_DIAG_BY_FAMILY, \ | |
55 | .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\ | |
8a4025f6 | 56 | .nlmsg_seq = MAGIC_SEQ, \ |
5fb421d4 | 57 | .nlmsg_len = sizeof(_req), \ |
58 | }, \ | |
59 | } | |
60 | ||
116ac927 RH |
61 | #if HAVE_SELINUX |
62 | #include <selinux/selinux.h> | |
63 | #else | |
64 | /* Stubs for SELinux functions */ | |
65 | static int is_selinux_enabled(void) | |
66 | { | |
67 | return -1; | |
68 | } | |
69 | ||
70 | static int getpidcon(pid_t pid, char **context) | |
71 | { | |
72 | *context = NULL; | |
73 | return -1; | |
74 | } | |
75 | ||
76 | static int getfilecon(char *path, char **context) | |
77 | { | |
78 | *context = NULL; | |
79 | return -1; | |
80 | } | |
81 | ||
82 | static int security_get_initial_context(char *name, char **context) | |
83 | { | |
84 | *context = NULL; | |
85 | return -1; | |
86 | } | |
87 | #endif | |
88 | ||
acd1e437 | 89 | int resolve_hosts; |
aba5acdf SH |
90 | int resolve_services = 1; |
91 | int preferred_family = AF_UNSPEC; | |
acd1e437 SH |
92 | int show_options; |
93 | int show_details; | |
94 | int show_users; | |
95 | int show_mem; | |
96 | int show_tcpinfo; | |
97 | int show_bpf; | |
98 | int show_proc_ctx; | |
99 | int show_sock_ctx; | |
7a4559f6 | 100 | int show_header = 1; |
116ac927 | 101 | /* If show_users & show_proc_ctx only do user_ent_hash_build() once */ |
acd1e437 SH |
102 | int user_ent_hash_build_init; |
103 | int follow_events; | |
aba5acdf SH |
104 | |
105 | int netid_width; | |
106 | int state_width; | |
107 | int addrp_width; | |
108 | int addr_width; | |
109 | int serv_width; | |
110 | int screen_width; | |
111 | ||
112 | static const char *TCP_PROTO = "tcp"; | |
113 | static const char *UDP_PROTO = "udp"; | |
114 | static const char *RAW_PROTO = "raw"; | |
acd1e437 | 115 | static const char *dg_proto; |
aba5acdf | 116 | |
acd1e437 | 117 | enum { |
aba5acdf | 118 | TCP_DB, |
351efcde | 119 | DCCP_DB, |
aba5acdf SH |
120 | UDP_DB, |
121 | RAW_DB, | |
122 | UNIX_DG_DB, | |
123 | UNIX_ST_DB, | |
30b669d7 | 124 | UNIX_SQ_DB, |
aba5acdf SH |
125 | PACKET_DG_DB, |
126 | PACKET_R_DB, | |
127 | NETLINK_DB, | |
128 | MAX_DB | |
129 | }; | |
130 | ||
131 | #define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB)) | |
30b669d7 | 132 | #define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB)) |
aba5acdf | 133 | #define ALL_DB ((1<<MAX_DB)-1) |
9db7bf15 | 134 | #define INET_DBM ((1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)|(1<<RAW_DB)) |
aba5acdf SH |
135 | |
136 | enum { | |
7d105b56 SH |
137 | SS_UNKNOWN, |
138 | SS_ESTABLISHED, | |
139 | SS_SYN_SENT, | |
140 | SS_SYN_RECV, | |
141 | SS_FIN_WAIT1, | |
142 | SS_FIN_WAIT2, | |
143 | SS_TIME_WAIT, | |
144 | SS_CLOSE, | |
145 | SS_CLOSE_WAIT, | |
146 | SS_LAST_ACK, | |
147 | SS_LISTEN, | |
148 | SS_CLOSING, | |
149 | SS_MAX | |
aba5acdf SH |
150 | }; |
151 | ||
9db7bf15 VK |
152 | #define SS_ALL ((1 << SS_MAX) - 1) |
153 | #define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV))) | |
aba5acdf SH |
154 | |
155 | #include "ssfilter.h" | |
156 | ||
acd1e437 | 157 | struct filter { |
aba5acdf SH |
158 | int dbs; |
159 | int states; | |
160 | int families; | |
161 | struct ssfilter *f; | |
fb2594c1 | 162 | bool kill; |
aba5acdf SH |
163 | }; |
164 | ||
9db7bf15 VK |
165 | static const struct filter default_dbs[MAX_DB] = { |
166 | [TCP_DB] = { | |
167 | .states = SS_CONN, | |
168 | .families = (1 << AF_INET) | (1 << AF_INET6), | |
169 | }, | |
170 | [DCCP_DB] = { | |
171 | .states = SS_CONN, | |
172 | .families = (1 << AF_INET) | (1 << AF_INET6), | |
173 | }, | |
174 | [UDP_DB] = { | |
f42a4574 | 175 | .states = (1 << SS_ESTABLISHED), |
9db7bf15 VK |
176 | .families = (1 << AF_INET) | (1 << AF_INET6), |
177 | }, | |
178 | [RAW_DB] = { | |
f42a4574 | 179 | .states = (1 << SS_ESTABLISHED), |
9db7bf15 VK |
180 | .families = (1 << AF_INET) | (1 << AF_INET6), |
181 | }, | |
182 | [UNIX_DG_DB] = { | |
183 | .states = (1 << SS_CLOSE), | |
184 | .families = (1 << AF_UNIX), | |
185 | }, | |
186 | [UNIX_ST_DB] = { | |
187 | .states = SS_CONN, | |
188 | .families = (1 << AF_UNIX), | |
189 | }, | |
190 | [UNIX_SQ_DB] = { | |
191 | .states = SS_CONN, | |
192 | .families = (1 << AF_UNIX), | |
193 | }, | |
194 | [PACKET_DG_DB] = { | |
195 | .states = (1 << SS_CLOSE), | |
196 | .families = (1 << AF_PACKET), | |
197 | }, | |
198 | [PACKET_R_DB] = { | |
199 | .states = (1 << SS_CLOSE), | |
200 | .families = (1 << AF_PACKET), | |
201 | }, | |
202 | [NETLINK_DB] = { | |
203 | .states = (1 << SS_CLOSE), | |
204 | .families = (1 << AF_NETLINK), | |
205 | }, | |
aba5acdf SH |
206 | }; |
207 | ||
9db7bf15 VK |
208 | static const struct filter default_afs[AF_MAX] = { |
209 | [AF_INET] = { | |
210 | .dbs = INET_DBM, | |
211 | .states = SS_CONN, | |
212 | }, | |
213 | [AF_INET6] = { | |
214 | .dbs = INET_DBM, | |
215 | .states = SS_CONN, | |
216 | }, | |
217 | [AF_UNIX] = { | |
218 | .dbs = UNIX_DBM, | |
219 | .states = SS_CONN, | |
220 | }, | |
221 | [AF_PACKET] = { | |
222 | .dbs = PACKET_DBM, | |
223 | .states = (1 << SS_CLOSE), | |
224 | }, | |
225 | [AF_NETLINK] = { | |
226 | .dbs = (1 << NETLINK_DB), | |
227 | .states = (1 << SS_CLOSE), | |
228 | }, | |
229 | }; | |
230 | ||
231 | static int do_default = 1; | |
232 | static struct filter current_filter; | |
233 | ||
234 | static void filter_db_set(struct filter *f, int db) | |
235 | { | |
236 | f->states |= default_dbs[db].states; | |
9db7bf15 VK |
237 | f->dbs |= 1 << db; |
238 | do_default = 0; | |
239 | } | |
240 | ||
241 | static void filter_af_set(struct filter *f, int af) | |
242 | { | |
1527a17e VK |
243 | f->states |= default_afs[af].states; |
244 | f->families |= 1 << af; | |
245 | do_default = 0; | |
246 | preferred_family = af; | |
9db7bf15 VK |
247 | } |
248 | ||
249 | static int filter_af_get(struct filter *f, int af) | |
250 | { | |
251 | return f->families & (1 << af); | |
252 | } | |
253 | ||
254 | static void filter_default_dbs(struct filter *f) | |
255 | { | |
256 | filter_db_set(f, UDP_DB); | |
257 | filter_db_set(f, DCCP_DB); | |
258 | filter_db_set(f, TCP_DB); | |
259 | filter_db_set(f, RAW_DB); | |
260 | filter_db_set(f, UNIX_ST_DB); | |
261 | filter_db_set(f, UNIX_DG_DB); | |
262 | filter_db_set(f, UNIX_SQ_DB); | |
263 | filter_db_set(f, PACKET_R_DB); | |
264 | filter_db_set(f, PACKET_DG_DB); | |
265 | filter_db_set(f, NETLINK_DB); | |
266 | } | |
267 | ||
57ff5a10 | 268 | static void filter_states_set(struct filter *f, int states) |
9db7bf15 | 269 | { |
57ff5a10 | 270 | if (states) |
9d320e1e | 271 | f->states = states; |
57ff5a10 | 272 | } |
9db7bf15 | 273 | |
57ff5a10 VK |
274 | static void filter_merge_defaults(struct filter *f) |
275 | { | |
276 | int db; | |
277 | int af; | |
9db7bf15 | 278 | |
57ff5a10 VK |
279 | for (db = 0; db < MAX_DB; db++) { |
280 | if (!(f->dbs & (1 << db))) | |
281 | continue; | |
9db7bf15 | 282 | |
57ff5a10 VK |
283 | if (!(default_dbs[db].families & f->families)) |
284 | f->families |= default_dbs[db].families; | |
285 | } | |
286 | for (af = 0; af < AF_MAX; af++) { | |
287 | if (!(f->families & (1 << af))) | |
288 | continue; | |
289 | ||
290 | if (!(default_afs[af].dbs & f->dbs)) | |
291 | f->dbs |= default_afs[af].dbs; | |
292 | } | |
9db7bf15 | 293 | } |
aba5acdf | 294 | |
ab01dbbb | 295 | static FILE *generic_proc_open(const char *env, const char *name) |
aba5acdf | 296 | { |
ab01dbbb | 297 | const char *p = getenv(env); |
aba5acdf | 298 | char store[128]; |
ab01dbbb | 299 | |
aba5acdf SH |
300 | if (!p) { |
301 | p = getenv("PROC_ROOT") ? : "/proc"; | |
302 | snprintf(store, sizeof(store)-1, "%s/%s", p, name); | |
303 | p = store; | |
304 | } | |
ab01dbbb SH |
305 | |
306 | return fopen(p, "r"); | |
aba5acdf SH |
307 | } |
308 | ||
ab01dbbb | 309 | static FILE *net_tcp_open(void) |
aba5acdf SH |
310 | { |
311 | return generic_proc_open("PROC_NET_TCP", "net/tcp"); | |
312 | } | |
313 | ||
ab01dbbb | 314 | static FILE *net_tcp6_open(void) |
aba5acdf SH |
315 | { |
316 | return generic_proc_open("PROC_NET_TCP6", "net/tcp6"); | |
317 | } | |
318 | ||
ab01dbbb | 319 | static FILE *net_udp_open(void) |
aba5acdf SH |
320 | { |
321 | return generic_proc_open("PROC_NET_UDP", "net/udp"); | |
322 | } | |
323 | ||
ab01dbbb | 324 | static FILE *net_udp6_open(void) |
aba5acdf SH |
325 | { |
326 | return generic_proc_open("PROC_NET_UDP6", "net/udp6"); | |
327 | } | |
328 | ||
ab01dbbb | 329 | static FILE *net_raw_open(void) |
aba5acdf SH |
330 | { |
331 | return generic_proc_open("PROC_NET_RAW", "net/raw"); | |
332 | } | |
333 | ||
ab01dbbb | 334 | static FILE *net_raw6_open(void) |
aba5acdf SH |
335 | { |
336 | return generic_proc_open("PROC_NET_RAW6", "net/raw6"); | |
337 | } | |
338 | ||
ab01dbbb | 339 | static FILE *net_unix_open(void) |
aba5acdf SH |
340 | { |
341 | return generic_proc_open("PROC_NET_UNIX", "net/unix"); | |
342 | } | |
343 | ||
ab01dbbb | 344 | static FILE *net_packet_open(void) |
aba5acdf SH |
345 | { |
346 | return generic_proc_open("PROC_NET_PACKET", "net/packet"); | |
347 | } | |
348 | ||
ab01dbbb | 349 | static FILE *net_netlink_open(void) |
aba5acdf SH |
350 | { |
351 | return generic_proc_open("PROC_NET_NETLINK", "net/netlink"); | |
352 | } | |
353 | ||
ab01dbbb | 354 | static FILE *slabinfo_open(void) |
aba5acdf SH |
355 | { |
356 | return generic_proc_open("PROC_SLABINFO", "slabinfo"); | |
357 | } | |
358 | ||
ab01dbbb | 359 | static FILE *net_sockstat_open(void) |
aba5acdf SH |
360 | { |
361 | return generic_proc_open("PROC_NET_SOCKSTAT", "net/sockstat"); | |
362 | } | |
363 | ||
ab01dbbb | 364 | static FILE *net_sockstat6_open(void) |
aba5acdf SH |
365 | { |
366 | return generic_proc_open("PROC_NET_SOCKSTAT6", "net/sockstat6"); | |
367 | } | |
368 | ||
ab01dbbb | 369 | static FILE *net_snmp_open(void) |
aba5acdf SH |
370 | { |
371 | return generic_proc_open("PROC_NET_SNMP", "net/snmp"); | |
372 | } | |
373 | ||
ab01dbbb | 374 | static FILE *ephemeral_ports_open(void) |
aba5acdf SH |
375 | { |
376 | return generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", "sys/net/ipv4/ip_local_port_range"); | |
377 | } | |
378 | ||
fbc0f876 SF |
379 | struct user_ent { |
380 | struct user_ent *next; | |
381 | unsigned int ino; | |
382 | int pid; | |
383 | int fd; | |
116ac927 RH |
384 | char *process; |
385 | char *process_ctx; | |
386 | char *socket_ctx; | |
fbc0f876 SF |
387 | }; |
388 | ||
389 | #define USER_ENT_HASH_SIZE 256 | |
390 | struct user_ent *user_ent_hash[USER_ENT_HASH_SIZE]; | |
391 | ||
392 | static int user_ent_hashfn(unsigned int ino) | |
aba5acdf | 393 | { |
fbc0f876 | 394 | int val = (ino >> 24) ^ (ino >> 16) ^ (ino >> 8) ^ ino; |
aba5acdf | 395 | |
fbc0f876 SF |
396 | return val & (USER_ENT_HASH_SIZE - 1); |
397 | } | |
398 | ||
116ac927 RH |
399 | static void user_ent_add(unsigned int ino, char *process, |
400 | int pid, int fd, | |
401 | char *proc_ctx, | |
402 | char *sock_ctx) | |
fbc0f876 SF |
403 | { |
404 | struct user_ent *p, **pp; | |
aba5acdf | 405 | |
116ac927 RH |
406 | p = malloc(sizeof(struct user_ent)); |
407 | if (!p) { | |
408 | fprintf(stderr, "ss: failed to malloc buffer\n"); | |
fbc0f876 | 409 | abort(); |
116ac927 | 410 | } |
fbc0f876 SF |
411 | p->next = NULL; |
412 | p->ino = ino; | |
413 | p->pid = pid; | |
414 | p->fd = fd; | |
116ac927 RH |
415 | p->process = strdup(process); |
416 | p->process_ctx = strdup(proc_ctx); | |
417 | p->socket_ctx = strdup(sock_ctx); | |
fbc0f876 SF |
418 | |
419 | pp = &user_ent_hash[user_ent_hashfn(ino)]; | |
420 | p->next = *pp; | |
421 | *pp = p; | |
422 | } | |
aba5acdf | 423 | |
116ac927 RH |
424 | static void user_ent_destroy(void) |
425 | { | |
426 | struct user_ent *p, *p_next; | |
427 | int cnt = 0; | |
428 | ||
429 | while (cnt != USER_ENT_HASH_SIZE) { | |
430 | p = user_ent_hash[cnt]; | |
431 | while (p) { | |
432 | free(p->process); | |
433 | free(p->process_ctx); | |
434 | free(p->socket_ctx); | |
435 | p_next = p->next; | |
436 | free(p); | |
437 | p = p_next; | |
438 | } | |
439 | cnt++; | |
440 | } | |
441 | } | |
442 | ||
fbc0f876 SF |
443 | static void user_ent_hash_build(void) |
444 | { | |
445 | const char *root = getenv("PROC_ROOT") ? : "/proc/"; | |
446 | struct dirent *d; | |
447 | char name[1024]; | |
448 | int nameoff; | |
449 | DIR *dir; | |
116ac927 RH |
450 | char *pid_context; |
451 | char *sock_context; | |
452 | const char *no_ctx = "unavailable"; | |
453 | ||
454 | /* If show_users & show_proc_ctx set only do this once */ | |
455 | if (user_ent_hash_build_init != 0) | |
456 | return; | |
457 | ||
458 | user_ent_hash_build_init = 1; | |
fbc0f876 | 459 | |
0ee9052f | 460 | strncpy(name, root, sizeof(name)-1); |
461 | name[sizeof(name)-1] = 0; | |
462 | ||
fbc0f876 | 463 | if (strlen(name) == 0 || name[strlen(name)-1] != '/') |
aba5acdf | 464 | strcat(name, "/"); |
fbc0f876 | 465 | |
aba5acdf | 466 | nameoff = strlen(name); |
fbc0f876 SF |
467 | |
468 | dir = opendir(name); | |
469 | if (!dir) | |
470 | return; | |
aba5acdf SH |
471 | |
472 | while ((d = readdir(dir)) != NULL) { | |
aba5acdf | 473 | struct dirent *d1; |
aba5acdf | 474 | char process[16]; |
116ac927 | 475 | char *p; |
fbc0f876 SF |
476 | int pid, pos; |
477 | DIR *dir1; | |
478 | char crap; | |
aba5acdf SH |
479 | |
480 | if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1) | |
481 | continue; | |
482 | ||
116ac927 RH |
483 | if (getpidcon(pid, &pid_context) != 0) |
484 | pid_context = strdup(no_ctx); | |
485 | ||
0ee9052f | 486 | snprintf(name + nameoff, sizeof(name) - nameoff, "%d/fd/", pid); |
aba5acdf | 487 | pos = strlen(name); |
a02371fb PS |
488 | if ((dir1 = opendir(name)) == NULL) { |
489 | free(pid_context); | |
aba5acdf | 490 | continue; |
a02371fb | 491 | } |
aba5acdf | 492 | |
fbc0f876 | 493 | process[0] = '\0'; |
116ac927 | 494 | p = process; |
aba5acdf SH |
495 | |
496 | while ((d1 = readdir(dir1)) != NULL) { | |
fbc0f876 SF |
497 | const char *pattern = "socket:["; |
498 | unsigned int ino; | |
aba5acdf | 499 | char lnk[64]; |
18445b3e | 500 | int fd; |
788731b3 | 501 | ssize_t link_len; |
116ac927 | 502 | char tmp[1024]; |
aba5acdf SH |
503 | |
504 | if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1) | |
505 | continue; | |
506 | ||
0ee9052f | 507 | snprintf(name+pos, sizeof(name) - pos, "%d", fd); |
788731b3 TJ |
508 | |
509 | link_len = readlink(name, lnk, sizeof(lnk)-1); | |
510 | if (link_len == -1) | |
511 | continue; | |
512 | lnk[link_len] = '\0'; | |
513 | ||
514 | if (strncmp(lnk, pattern, strlen(pattern))) | |
aba5acdf SH |
515 | continue; |
516 | ||
fbc0f876 | 517 | sscanf(lnk, "socket:[%u]", &ino); |
aba5acdf | 518 | |
116ac927 RH |
519 | snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s", |
520 | root, pid, d1->d_name); | |
521 | ||
522 | if (getfilecon(tmp, &sock_context) <= 0) | |
523 | sock_context = strdup(no_ctx); | |
524 | ||
525 | if (*p == '\0') { | |
aba5acdf | 526 | FILE *fp; |
fbc0f876 | 527 | |
116ac927 RH |
528 | snprintf(tmp, sizeof(tmp), "%s/%d/stat", |
529 | root, pid); | |
aba5acdf | 530 | if ((fp = fopen(tmp, "r")) != NULL) { |
d572ed4d PS |
531 | if (fscanf(fp, "%*d (%[^)])", p) < 1) |
532 | ; /* ignore */ | |
aba5acdf SH |
533 | fclose(fp); |
534 | } | |
535 | } | |
116ac927 RH |
536 | user_ent_add(ino, p, pid, fd, |
537 | pid_context, sock_context); | |
538 | free(sock_context); | |
aba5acdf | 539 | } |
116ac927 | 540 | free(pid_context); |
aba5acdf SH |
541 | closedir(dir1); |
542 | } | |
543 | closedir(dir); | |
fbc0f876 SF |
544 | } |
545 | ||
116ac927 RH |
546 | enum entry_types { |
547 | USERS, | |
548 | PROC_CTX, | |
549 | PROC_SOCK_CTX | |
550 | }; | |
551 | ||
552 | #define ENTRY_BUF_SIZE 512 | |
acd1e437 | 553 | static int find_entry(unsigned int ino, char **buf, int type) |
fbc0f876 SF |
554 | { |
555 | struct user_ent *p; | |
556 | int cnt = 0; | |
557 | char *ptr; | |
532ca40a | 558 | char *new_buf; |
116ac927 RH |
559 | int len, new_buf_len; |
560 | int buf_used = 0; | |
561 | int buf_len = 0; | |
fbc0f876 SF |
562 | |
563 | if (!ino) | |
564 | return 0; | |
565 | ||
566 | p = user_ent_hash[user_ent_hashfn(ino)]; | |
116ac927 | 567 | ptr = *buf = NULL; |
fbc0f876 SF |
568 | while (p) { |
569 | if (p->ino != ino) | |
570 | goto next; | |
571 | ||
116ac927 RH |
572 | while (1) { |
573 | ptr = *buf + buf_used; | |
574 | switch (type) { | |
575 | case USERS: | |
576 | len = snprintf(ptr, buf_len - buf_used, | |
577 | "(\"%s\",pid=%d,fd=%d),", | |
578 | p->process, p->pid, p->fd); | |
579 | break; | |
580 | case PROC_CTX: | |
581 | len = snprintf(ptr, buf_len - buf_used, | |
582 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),", | |
583 | p->process, p->pid, | |
584 | p->process_ctx, p->fd); | |
585 | break; | |
586 | case PROC_SOCK_CTX: | |
587 | len = snprintf(ptr, buf_len - buf_used, | |
588 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),", | |
589 | p->process, p->pid, | |
590 | p->process_ctx, p->fd, | |
591 | p->socket_ctx); | |
592 | break; | |
593 | default: | |
594 | fprintf(stderr, "ss: invalid type: %d\n", type); | |
595 | abort(); | |
596 | } | |
fbc0f876 | 597 | |
116ac927 RH |
598 | if (len < 0 || len >= buf_len - buf_used) { |
599 | new_buf_len = buf_len + ENTRY_BUF_SIZE; | |
532ca40a | 600 | new_buf = realloc(*buf, new_buf_len); |
116ac927 RH |
601 | if (!new_buf) { |
602 | fprintf(stderr, "ss: failed to malloc buffer\n"); | |
603 | abort(); | |
604 | } | |
532ca40a | 605 | *buf = new_buf; |
116ac927 RH |
606 | buf_len = new_buf_len; |
607 | continue; | |
608 | } else { | |
609 | buf_used += len; | |
610 | break; | |
611 | } | |
612 | } | |
fbc0f876 | 613 | cnt++; |
116ac927 | 614 | next: |
fbc0f876 SF |
615 | p = p->next; |
616 | } | |
116ac927 RH |
617 | if (buf_used) { |
618 | ptr = *buf + buf_used; | |
fbc0f876 | 619 | ptr[-1] = '\0'; |
116ac927 | 620 | } |
aba5acdf SH |
621 | return cnt; |
622 | } | |
623 | ||
aba5acdf SH |
624 | /* Get stats from slab */ |
625 | ||
acd1e437 | 626 | struct slabstat { |
aba5acdf SH |
627 | int socks; |
628 | int tcp_ports; | |
629 | int tcp_tws; | |
630 | int tcp_syns; | |
631 | int skbs; | |
632 | }; | |
633 | ||
a221d621 | 634 | static struct slabstat slabstat; |
aba5acdf | 635 | |
acd1e437 SH |
636 | static const char *slabstat_ids[] = { |
637 | ||
aba5acdf SH |
638 | "sock", |
639 | "tcp_bind_bucket", | |
640 | "tcp_tw_bucket", | |
641 | "tcp_open_request", | |
642 | "skbuff_head_cache", | |
643 | }; | |
644 | ||
d1f28cf1 | 645 | static int get_slabstat(struct slabstat *s) |
aba5acdf SH |
646 | { |
647 | char buf[256]; | |
648 | FILE *fp; | |
649 | int cnt; | |
a221d621 BL |
650 | static int slabstat_valid; |
651 | ||
652 | if (slabstat_valid) | |
653 | return 0; | |
aba5acdf SH |
654 | |
655 | memset(s, 0, sizeof(*s)); | |
656 | ||
ab01dbbb SH |
657 | fp = slabinfo_open(); |
658 | if (!fp) | |
aba5acdf SH |
659 | return -1; |
660 | ||
661 | cnt = sizeof(*s)/sizeof(int); | |
662 | ||
d572ed4d PS |
663 | if (!fgets(buf, sizeof(buf), fp)) { |
664 | fclose(fp); | |
665 | return -1; | |
666 | } | |
acd1e437 | 667 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
aba5acdf | 668 | int i; |
acd1e437 | 669 | |
62000e51 | 670 | for (i = 0; i < ARRAY_SIZE(slabstat_ids); i++) { |
aba5acdf SH |
671 | if (memcmp(buf, slabstat_ids[i], strlen(slabstat_ids[i])) == 0) { |
672 | sscanf(buf, "%*s%d", ((int *)s) + i); | |
673 | cnt--; | |
674 | break; | |
675 | } | |
676 | } | |
677 | if (cnt <= 0) | |
678 | break; | |
679 | } | |
680 | ||
a221d621 BL |
681 | slabstat_valid = 1; |
682 | ||
aba5acdf SH |
683 | fclose(fp); |
684 | return 0; | |
685 | } | |
686 | ||
2e7e805d | 687 | static unsigned long long cookie_sk_get(const uint32_t *cookie) |
f1b39e1b | 688 | { |
2e7e805d | 689 | return (((unsigned long long)cookie[1] << 31) << 1) | cookie[0]; |
f1b39e1b VK |
690 | } |
691 | ||
7d105b56 SH |
692 | static const char *sstate_name[] = { |
693 | "UNKNOWN", | |
9cb1eccf ED |
694 | [SS_ESTABLISHED] = "ESTAB", |
695 | [SS_SYN_SENT] = "SYN-SENT", | |
696 | [SS_SYN_RECV] = "SYN-RECV", | |
697 | [SS_FIN_WAIT1] = "FIN-WAIT-1", | |
698 | [SS_FIN_WAIT2] = "FIN-WAIT-2", | |
699 | [SS_TIME_WAIT] = "TIME-WAIT", | |
700 | [SS_CLOSE] = "UNCONN", | |
701 | [SS_CLOSE_WAIT] = "CLOSE-WAIT", | |
702 | [SS_LAST_ACK] = "LAST-ACK", | |
acd1e437 | 703 | [SS_LISTEN] = "LISTEN", |
9cb1eccf | 704 | [SS_CLOSING] = "CLOSING", |
aba5acdf SH |
705 | }; |
706 | ||
7d105b56 SH |
707 | static const char *sstate_namel[] = { |
708 | "UNKNOWN", | |
9cb1eccf ED |
709 | [SS_ESTABLISHED] = "established", |
710 | [SS_SYN_SENT] = "syn-sent", | |
711 | [SS_SYN_RECV] = "syn-recv", | |
712 | [SS_FIN_WAIT1] = "fin-wait-1", | |
713 | [SS_FIN_WAIT2] = "fin-wait-2", | |
714 | [SS_TIME_WAIT] = "time-wait", | |
715 | [SS_CLOSE] = "unconnected", | |
716 | [SS_CLOSE_WAIT] = "close-wait", | |
717 | [SS_LAST_ACK] = "last-ack", | |
acd1e437 | 718 | [SS_LISTEN] = "listening", |
9cb1eccf | 719 | [SS_CLOSING] = "closing", |
aba5acdf SH |
720 | }; |
721 | ||
acd1e437 | 722 | struct sockstat { |
ec4d0d8a VK |
723 | struct sockstat *next; |
724 | unsigned int type; | |
89f634f9 | 725 | uint16_t prot; |
8250bc9f VK |
726 | inet_prefix local; |
727 | inet_prefix remote; | |
728 | int lport; | |
729 | int rport; | |
730 | int state; | |
731 | int rq, wq; | |
acd1e437 SH |
732 | unsigned int ino; |
733 | unsigned int uid; | |
8250bc9f VK |
734 | int refcnt; |
735 | unsigned int iface; | |
736 | unsigned long long sk; | |
99bb68ff VK |
737 | char *name; |
738 | char *peer_name; | |
055840f2 VK |
739 | }; |
740 | ||
acd1e437 | 741 | struct dctcpstat { |
055840f2 VK |
742 | unsigned int ce_state; |
743 | unsigned int alpha; | |
744 | unsigned int ab_ecn; | |
745 | unsigned int ab_tot; | |
746 | bool enabled; | |
747 | }; | |
748 | ||
acd1e437 | 749 | struct tcpstat { |
055840f2 | 750 | struct sockstat ss; |
8250bc9f VK |
751 | int timer; |
752 | int timeout; | |
753 | int probes; | |
d2055ea5 | 754 | char cong_alg[16]; |
8250bc9f VK |
755 | double rto, ato, rtt, rttvar; |
756 | int qack, cwnd, ssthresh, backoff; | |
757 | double send_bps; | |
758 | int snd_wscale; | |
759 | int rcv_wscale; | |
760 | int mss; | |
761 | unsigned int lastsnd; | |
762 | unsigned int lastrcv; | |
763 | unsigned int lastack; | |
764 | double pacing_rate; | |
765 | double pacing_rate_max; | |
1a4dda71 ED |
766 | unsigned long long bytes_acked; |
767 | unsigned long long bytes_received; | |
ecb435ea CG |
768 | unsigned int segs_out; |
769 | unsigned int segs_in; | |
414aeec9 MKL |
770 | unsigned int data_segs_out; |
771 | unsigned int data_segs_in; | |
8250bc9f VK |
772 | unsigned int unacked; |
773 | unsigned int retrans; | |
774 | unsigned int retrans_total; | |
775 | unsigned int lost; | |
776 | unsigned int sacked; | |
777 | unsigned int fackets; | |
778 | unsigned int reordering; | |
9e99e495 | 779 | unsigned int not_sent; |
8250bc9f | 780 | double rcv_rtt; |
9e99e495 | 781 | double min_rtt; |
8250bc9f VK |
782 | int rcv_space; |
783 | bool has_ts_opt; | |
784 | bool has_sack_opt; | |
785 | bool has_ecn_opt; | |
786 | bool has_ecnseen_opt; | |
787 | bool has_fastopen_opt; | |
788 | bool has_wscale_opt; | |
789 | struct dctcpstat *dctcp; | |
aba5acdf SH |
790 | }; |
791 | ||
2d791bc8 VK |
792 | static void sock_state_print(struct sockstat *s, const char *sock_name) |
793 | { | |
794 | if (netid_width) | |
795 | printf("%-*s ", netid_width, sock_name); | |
796 | if (state_width) | |
797 | printf("%-*s ", state_width, sstate_name[s->state]); | |
798 | ||
799 | printf("%-6d %-6d ", s->rq, s->wq); | |
800 | } | |
801 | ||
f1b39e1b VK |
802 | static void sock_details_print(struct sockstat *s) |
803 | { | |
804 | if (s->uid) | |
805 | printf(" uid:%u", s->uid); | |
806 | ||
807 | printf(" ino:%u", s->ino); | |
808 | printf(" sk:%llx", s->sk); | |
809 | } | |
810 | ||
b217df10 VK |
811 | static void sock_addr_print_width(int addr_len, const char *addr, char *delim, |
812 | int port_len, const char *port, const char *ifname) | |
813 | { | |
814 | if (ifname) { | |
815 | printf("%*s%%%s%s%-*s ", addr_len, addr, ifname, delim, | |
816 | port_len, port); | |
acd1e437 | 817 | } else { |
b217df10 VK |
818 | printf("%*s%s%-*s ", addr_len, addr, delim, port_len, port); |
819 | } | |
820 | } | |
821 | ||
822 | static void sock_addr_print(const char *addr, char *delim, const char *port, | |
823 | const char *ifname) | |
824 | { | |
825 | sock_addr_print_width(addr_width, addr, delim, serv_width, port, ifname); | |
826 | } | |
827 | ||
7d105b56 | 828 | static const char *tmr_name[] = { |
aba5acdf SH |
829 | "off", |
830 | "on", | |
831 | "keepalive", | |
832 | "timewait", | |
833 | "persist", | |
834 | "unknown" | |
835 | }; | |
836 | ||
d1f28cf1 | 837 | static const char *print_ms_timer(int timeout) |
aba5acdf SH |
838 | { |
839 | static char buf[64]; | |
840 | int secs, msecs, minutes; | |
acd1e437 | 841 | |
aba5acdf SH |
842 | if (timeout < 0) |
843 | timeout = 0; | |
844 | secs = timeout/1000; | |
845 | minutes = secs/60; | |
846 | secs = secs%60; | |
847 | msecs = timeout%1000; | |
848 | buf[0] = 0; | |
849 | if (minutes) { | |
850 | msecs = 0; | |
851 | snprintf(buf, sizeof(buf)-16, "%dmin", minutes); | |
852 | if (minutes > 9) | |
853 | secs = 0; | |
854 | } | |
855 | if (secs) { | |
856 | if (secs > 9) | |
857 | msecs = 0; | |
858 | sprintf(buf+strlen(buf), "%d%s", secs, msecs ? "." : "sec"); | |
859 | } | |
860 | if (msecs) | |
861 | sprintf(buf+strlen(buf), "%03dms", msecs); | |
862 | return buf; | |
e7113c61 | 863 | } |
aba5acdf | 864 | |
22588a0e | 865 | struct scache { |
aba5acdf SH |
866 | struct scache *next; |
867 | int port; | |
868 | char *name; | |
869 | const char *proto; | |
870 | }; | |
871 | ||
872 | struct scache *rlist; | |
873 | ||
d1f28cf1 | 874 | static void init_service_resolver(void) |
aba5acdf SH |
875 | { |
876 | char buf[128]; | |
877 | FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r"); | |
596307ea PS |
878 | |
879 | if (!fp) | |
880 | return; | |
881 | ||
882 | if (!fgets(buf, sizeof(buf), fp)) { | |
2bcc3c16 | 883 | pclose(fp); |
596307ea PS |
884 | return; |
885 | } | |
886 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
887 | unsigned int progn, port; | |
888 | char proto[128], prog[128] = "rpc."; | |
889 | struct scache *c; | |
890 | ||
891 | if (sscanf(buf, "%u %*d %s %u %s", | |
acd1e437 | 892 | &progn, proto, &port, prog+4) != 4) |
596307ea PS |
893 | continue; |
894 | ||
895 | if (!(c = malloc(sizeof(*c)))) | |
896 | continue; | |
897 | ||
898 | c->port = port; | |
899 | c->name = strdup(prog); | |
900 | if (strcmp(proto, TCP_PROTO) == 0) | |
901 | c->proto = TCP_PROTO; | |
902 | else if (strcmp(proto, UDP_PROTO) == 0) | |
903 | c->proto = UDP_PROTO; | |
904 | else | |
905 | c->proto = NULL; | |
906 | c->next = rlist; | |
907 | rlist = c; | |
aba5acdf | 908 | } |
596307ea | 909 | pclose(fp); |
aba5acdf SH |
910 | } |
911 | ||
ab61159a SH |
912 | /* Even do not try default linux ephemeral port ranges: |
913 | * default /etc/services contains so much of useless crap | |
914 | * wouldbe "allocated" to this area that resolution | |
915 | * is really harmful. I shrug each time when seeing | |
916 | * "socks" or "cfinger" in dumps. | |
917 | */ | |
918 | static int is_ephemeral(int port) | |
919 | { | |
acd1e437 | 920 | static int min = 0, max; |
c29d3792 PS |
921 | |
922 | if (!min) { | |
ab01dbbb | 923 | FILE *f = ephemeral_ports_open(); |
acd1e437 | 924 | |
c29d3792 PS |
925 | if (!f || fscanf(f, "%d %d", &min, &max) < 2) { |
926 | min = 1024; | |
927 | max = 4999; | |
ab61159a | 928 | } |
c29d3792 PS |
929 | if (f) |
930 | fclose(f); | |
ab61159a | 931 | } |
c29d3792 | 932 | return port >= min && port <= max; |
ab61159a SH |
933 | } |
934 | ||
935 | ||
d1f28cf1 | 936 | static const char *__resolve_service(int port) |
aba5acdf SH |
937 | { |
938 | struct scache *c; | |
939 | ||
940 | for (c = rlist; c; c = c->next) { | |
941 | if (c->port == port && c->proto == dg_proto) | |
942 | return c->name; | |
943 | } | |
944 | ||
ab61159a | 945 | if (!is_ephemeral(port)) { |
aba5acdf SH |
946 | static int notfirst; |
947 | struct servent *se; | |
acd1e437 | 948 | |
aba5acdf SH |
949 | if (!notfirst) { |
950 | setservent(1); | |
951 | notfirst = 1; | |
ae665a52 | 952 | } |
aba5acdf SH |
953 | se = getservbyport(htons(port), dg_proto); |
954 | if (se) | |
955 | return se->s_name; | |
956 | } | |
957 | ||
958 | return NULL; | |
959 | } | |
960 | ||
22588a0e ED |
961 | #define SCACHE_BUCKETS 1024 |
962 | static struct scache *cache_htab[SCACHE_BUCKETS]; | |
aba5acdf | 963 | |
d1f28cf1 | 964 | static const char *resolve_service(int port) |
aba5acdf SH |
965 | { |
966 | static char buf[128]; | |
22588a0e ED |
967 | struct scache *c; |
968 | const char *res; | |
969 | int hash; | |
aba5acdf SH |
970 | |
971 | if (port == 0) { | |
972 | buf[0] = '*'; | |
973 | buf[1] = 0; | |
974 | return buf; | |
975 | } | |
976 | ||
22588a0e ED |
977 | if (!resolve_services) |
978 | goto do_numeric; | |
aba5acdf | 979 | |
22588a0e ED |
980 | if (dg_proto == RAW_PROTO) |
981 | return inet_proto_n2a(port, buf, sizeof(buf)); | |
982 | ||
983 | ||
984 | hash = (port^(((unsigned long)dg_proto)>>2)) % SCACHE_BUCKETS; | |
985 | ||
986 | for (c = cache_htab[hash]; c; c = c->next) { | |
987 | if (c->port == port && c->proto == dg_proto) | |
988 | goto do_cache; | |
aba5acdf SH |
989 | } |
990 | ||
22588a0e ED |
991 | c = malloc(sizeof(*c)); |
992 | if (!c) | |
993 | goto do_numeric; | |
994 | res = __resolve_service(port); | |
995 | c->port = port; | |
996 | c->name = res ? strdup(res) : NULL; | |
997 | c->proto = dg_proto; | |
998 | c->next = cache_htab[hash]; | |
999 | cache_htab[hash] = c; | |
1000 | ||
1001 | do_cache: | |
1002 | if (c->name) | |
1003 | return c->name; | |
1004 | ||
1005 | do_numeric: | |
aba5acdf SH |
1006 | sprintf(buf, "%u", port); |
1007 | return buf; | |
1008 | } | |
1009 | ||
b217df10 | 1010 | static void inet_addr_print(const inet_prefix *a, int port, unsigned int ifindex) |
aba5acdf SH |
1011 | { |
1012 | char buf[1024]; | |
1013 | const char *ap = buf; | |
b217df10 VK |
1014 | int est_len = addr_width; |
1015 | const char *ifname = NULL; | |
aba5acdf SH |
1016 | |
1017 | if (a->family == AF_INET) { | |
1018 | if (a->data[0] == 0) { | |
1019 | buf[0] = '*'; | |
1020 | buf[1] = 0; | |
1021 | } else { | |
a418e451 | 1022 | ap = format_host(AF_INET, 4, a->data); |
aba5acdf SH |
1023 | } |
1024 | } else { | |
a418e451 | 1025 | ap = format_host(a->family, 16, a->data); |
aba5acdf SH |
1026 | est_len = strlen(ap); |
1027 | if (est_len <= addr_width) | |
1028 | est_len = addr_width; | |
1029 | else | |
1030 | est_len = addr_width + ((est_len-addr_width+3)/4)*4; | |
1031 | } | |
b217df10 | 1032 | |
7c8a3cfb | 1033 | if (ifindex) { |
b217df10 VK |
1034 | ifname = ll_index_to_name(ifindex); |
1035 | est_len -= strlen(ifname) + 1; /* +1 for percent char */ | |
4fcfb6bc MS |
1036 | if (est_len < 0) |
1037 | est_len = 0; | |
b217df10 | 1038 | } |
7c8a3cfb | 1039 | |
b217df10 VK |
1040 | sock_addr_print_width(est_len, ap, ":", serv_width, resolve_service(port), |
1041 | ifname); | |
aba5acdf SH |
1042 | } |
1043 | ||
acd1e437 | 1044 | struct aafilter { |
aba5acdf SH |
1045 | inet_prefix addr; |
1046 | int port; | |
2d293212 | 1047 | unsigned int iface; |
aba5acdf SH |
1048 | struct aafilter *next; |
1049 | }; | |
1050 | ||
d1f28cf1 SH |
1051 | static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p, |
1052 | int plen) | |
aba5acdf SH |
1053 | { |
1054 | if (!inet_addr_match(a, p, plen)) | |
1055 | return 0; | |
7d105b56 | 1056 | |
aba5acdf SH |
1057 | /* Cursed "v4 mapped" addresses: v4 mapped socket matches |
1058 | * pure IPv4 rule, but v4-mapped rule selects only v4-mapped | |
1059 | * sockets. Fair? */ | |
1060 | if (p->family == AF_INET && a->family == AF_INET6) { | |
1061 | if (a->data[0] == 0 && a->data[1] == 0 && | |
1062 | a->data[2] == htonl(0xffff)) { | |
1063 | inet_prefix tmp = *a; | |
acd1e437 | 1064 | |
aba5acdf SH |
1065 | tmp.data[0] = a->data[3]; |
1066 | return inet_addr_match(&tmp, p, plen); | |
1067 | } | |
1068 | } | |
1069 | return 1; | |
1070 | } | |
1071 | ||
d1f28cf1 | 1072 | static int unix_match(const inet_prefix *a, const inet_prefix *p) |
aba5acdf | 1073 | { |
99bb68ff | 1074 | char *addr, *pattern; |
acd1e437 | 1075 | |
99bb68ff VK |
1076 | memcpy(&addr, a->data, sizeof(addr)); |
1077 | memcpy(&pattern, p->data, sizeof(pattern)); | |
aba5acdf SH |
1078 | if (pattern == NULL) |
1079 | return 1; | |
1080 | if (addr == NULL) | |
1081 | addr = ""; | |
1082 | return !fnmatch(pattern, addr, 0); | |
1083 | } | |
1084 | ||
055840f2 | 1085 | static int run_ssfilter(struct ssfilter *f, struct sockstat *s) |
aba5acdf SH |
1086 | { |
1087 | switch (f->type) { | |
1088 | case SSF_S_AUTO: | |
1089 | { | |
aba5acdf | 1090 | if (s->local.family == AF_UNIX) { |
99bb68ff | 1091 | char *p; |
acd1e437 | 1092 | |
99bb68ff | 1093 | memcpy(&p, s->local.data, sizeof(p)); |
aba5acdf | 1094 | return p == NULL || (p[0] == '@' && strlen(p) == 6 && |
ae665a52 | 1095 | strspn(p+1, "0123456789abcdef") == 5); |
aba5acdf SH |
1096 | } |
1097 | if (s->local.family == AF_PACKET) | |
bbd303d1 | 1098 | return s->lport == 0 && s->local.data[0] == 0; |
aba5acdf SH |
1099 | if (s->local.family == AF_NETLINK) |
1100 | return s->lport < 0; | |
1101 | ||
c29d3792 | 1102 | return is_ephemeral(s->lport); |
aba5acdf SH |
1103 | } |
1104 | case SSF_DCOND: | |
1105 | { | |
acd1e437 SH |
1106 | struct aafilter *a = (void *)f->pred; |
1107 | ||
aba5acdf SH |
1108 | if (a->addr.family == AF_UNIX) |
1109 | return unix_match(&s->remote, &a->addr); | |
1110 | if (a->port != -1 && a->port != s->rport) | |
1111 | return 0; | |
1112 | if (a->addr.bitlen) { | |
1113 | do { | |
1114 | if (!inet2_addr_match(&s->remote, &a->addr, a->addr.bitlen)) | |
1115 | return 1; | |
1116 | } while ((a = a->next) != NULL); | |
1117 | return 0; | |
1118 | } | |
1119 | return 1; | |
1120 | } | |
1121 | case SSF_SCOND: | |
1122 | { | |
acd1e437 SH |
1123 | struct aafilter *a = (void *)f->pred; |
1124 | ||
aba5acdf SH |
1125 | if (a->addr.family == AF_UNIX) |
1126 | return unix_match(&s->local, &a->addr); | |
1127 | if (a->port != -1 && a->port != s->lport) | |
1128 | return 0; | |
1129 | if (a->addr.bitlen) { | |
1130 | do { | |
1131 | if (!inet2_addr_match(&s->local, &a->addr, a->addr.bitlen)) | |
1132 | return 1; | |
ae665a52 | 1133 | } while ((a = a->next) != NULL); |
aba5acdf SH |
1134 | return 0; |
1135 | } | |
1136 | return 1; | |
1137 | } | |
1138 | case SSF_D_GE: | |
1139 | { | |
acd1e437 SH |
1140 | struct aafilter *a = (void *)f->pred; |
1141 | ||
aba5acdf SH |
1142 | return s->rport >= a->port; |
1143 | } | |
1144 | case SSF_D_LE: | |
1145 | { | |
acd1e437 SH |
1146 | struct aafilter *a = (void *)f->pred; |
1147 | ||
aba5acdf SH |
1148 | return s->rport <= a->port; |
1149 | } | |
1150 | case SSF_S_GE: | |
1151 | { | |
acd1e437 SH |
1152 | struct aafilter *a = (void *)f->pred; |
1153 | ||
aba5acdf SH |
1154 | return s->lport >= a->port; |
1155 | } | |
1156 | case SSF_S_LE: | |
1157 | { | |
acd1e437 SH |
1158 | struct aafilter *a = (void *)f->pred; |
1159 | ||
aba5acdf SH |
1160 | return s->lport <= a->port; |
1161 | } | |
2d293212 DA |
1162 | case SSF_DEVCOND: |
1163 | { | |
1164 | struct aafilter *a = (void *)f->pred; | |
aba5acdf | 1165 | |
2d293212 DA |
1166 | return s->iface == a->iface; |
1167 | } | |
aba5acdf SH |
1168 | /* Yup. It is recursion. Sorry. */ |
1169 | case SSF_AND: | |
1170 | return run_ssfilter(f->pred, s) && run_ssfilter(f->post, s); | |
1171 | case SSF_OR: | |
1172 | return run_ssfilter(f->pred, s) || run_ssfilter(f->post, s); | |
1173 | case SSF_NOT: | |
1174 | return !run_ssfilter(f->pred, s); | |
1175 | default: | |
1176 | abort(); | |
1177 | } | |
1178 | } | |
1179 | ||
ae665a52 | 1180 | /* Relocate external jumps by reloc. */ |
b4b0b7d5 | 1181 | static void ssfilter_patch(char *a, int len, int reloc) |
aba5acdf SH |
1182 | { |
1183 | while (len > 0) { | |
acd1e437 SH |
1184 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)a; |
1185 | ||
aba5acdf SH |
1186 | if (op->no == len+4) |
1187 | op->no += reloc; | |
1188 | len -= op->yes; | |
1189 | a += op->yes; | |
1190 | } | |
1191 | if (len < 0) | |
1192 | abort(); | |
1193 | } | |
1194 | ||
b4b0b7d5 | 1195 | static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode) |
aba5acdf SH |
1196 | { |
1197 | switch (f->type) { | |
1198 | case SSF_S_AUTO: | |
1199 | { | |
acd1e437 SH |
1200 | if (!(*bytecode = malloc(4))) abort(); |
1201 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 }; | |
df39de8d | 1202 | return 4; |
aba5acdf SH |
1203 | } |
1204 | case SSF_DCOND: | |
1205 | case SSF_SCOND: | |
1206 | { | |
acd1e437 | 1207 | struct aafilter *a = (void *)f->pred; |
aba5acdf SH |
1208 | struct aafilter *b; |
1209 | char *ptr; | |
351efcde | 1210 | int code = (f->type == SSF_DCOND ? INET_DIAG_BC_D_COND : INET_DIAG_BC_S_COND); |
aba5acdf SH |
1211 | int len = 0; |
1212 | ||
acd1e437 | 1213 | for (b = a; b; b = b->next) { |
351efcde | 1214 | len += 4 + sizeof(struct inet_diag_hostcond); |
aba5acdf SH |
1215 | if (a->addr.family == AF_INET6) |
1216 | len += 16; | |
1217 | else | |
1218 | len += 4; | |
1219 | if (b->next) | |
1220 | len += 4; | |
1221 | } | |
1222 | if (!(ptr = malloc(len))) abort(); | |
1223 | *bytecode = ptr; | |
acd1e437 | 1224 | for (b = a; b; b = b->next) { |
351efcde | 1225 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)ptr; |
aba5acdf | 1226 | int alen = (a->addr.family == AF_INET6 ? 16 : 4); |
351efcde | 1227 | int oplen = alen + 4 + sizeof(struct inet_diag_hostcond); |
acd1e437 | 1228 | struct inet_diag_hostcond *cond = (struct inet_diag_hostcond *)(ptr+4); |
aba5acdf | 1229 | |
351efcde | 1230 | *op = (struct inet_diag_bc_op){ code, oplen, oplen+4 }; |
aba5acdf SH |
1231 | cond->family = a->addr.family; |
1232 | cond->port = a->port; | |
1233 | cond->prefix_len = a->addr.bitlen; | |
1234 | memcpy(cond->addr, a->addr.data, alen); | |
1235 | ptr += oplen; | |
1236 | if (b->next) { | |
351efcde SH |
1237 | op = (struct inet_diag_bc_op *)ptr; |
1238 | *op = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, len - (ptr-*bytecode)}; | |
aba5acdf SH |
1239 | ptr += 4; |
1240 | } | |
1241 | } | |
1242 | return ptr - *bytecode; | |
1243 | } | |
1244 | case SSF_D_GE: | |
1245 | { | |
acd1e437 SH |
1246 | struct aafilter *x = (void *)f->pred; |
1247 | ||
1248 | if (!(*bytecode = malloc(8))) abort(); | |
1249 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_GE, 8, 12 }; | |
1250 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1251 | return 8; |
1252 | } | |
1253 | case SSF_D_LE: | |
1254 | { | |
acd1e437 SH |
1255 | struct aafilter *x = (void *)f->pred; |
1256 | ||
1257 | if (!(*bytecode = malloc(8))) abort(); | |
1258 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_LE, 8, 12 }; | |
1259 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1260 | return 8; |
1261 | } | |
1262 | case SSF_S_GE: | |
1263 | { | |
acd1e437 SH |
1264 | struct aafilter *x = (void *)f->pred; |
1265 | ||
1266 | if (!(*bytecode = malloc(8))) abort(); | |
1267 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_GE, 8, 12 }; | |
1268 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1269 | return 8; |
1270 | } | |
1271 | case SSF_S_LE: | |
1272 | { | |
acd1e437 SH |
1273 | struct aafilter *x = (void *)f->pred; |
1274 | ||
1275 | if (!(*bytecode = malloc(8))) abort(); | |
1276 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_LE, 8, 12 }; | |
1277 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1278 | return 8; |
1279 | } | |
1280 | ||
1281 | case SSF_AND: | |
1282 | { | |
376fb868 | 1283 | char *a1 = NULL, *a2 = NULL, *a; |
2a4fa1c3 | 1284 | int l1, l2; |
acd1e437 | 1285 | |
aba5acdf SH |
1286 | l1 = ssfilter_bytecompile(f->pred, &a1); |
1287 | l2 = ssfilter_bytecompile(f->post, &a2); | |
376fb868 DA |
1288 | if (!l1 || !l2) { |
1289 | free(a1); | |
1290 | free(a2); | |
1291 | return 0; | |
1292 | } | |
aba5acdf SH |
1293 | if (!(a = malloc(l1+l2))) abort(); |
1294 | memcpy(a, a1, l1); | |
1295 | memcpy(a+l1, a2, l2); | |
1296 | free(a1); free(a2); | |
1297 | ssfilter_patch(a, l1, l2); | |
1298 | *bytecode = a; | |
1299 | return l1+l2; | |
1300 | } | |
1301 | case SSF_OR: | |
1302 | { | |
376fb868 | 1303 | char *a1 = NULL, *a2 = NULL, *a; |
2a4fa1c3 | 1304 | int l1, l2; |
acd1e437 | 1305 | |
aba5acdf SH |
1306 | l1 = ssfilter_bytecompile(f->pred, &a1); |
1307 | l2 = ssfilter_bytecompile(f->post, &a2); | |
376fb868 DA |
1308 | if (!l1 || !l2) { |
1309 | free(a1); | |
1310 | free(a2); | |
1311 | return 0; | |
1312 | } | |
aba5acdf SH |
1313 | if (!(a = malloc(l1+l2+4))) abort(); |
1314 | memcpy(a, a1, l1); | |
1315 | memcpy(a+l1+4, a2, l2); | |
1316 | free(a1); free(a2); | |
acd1e437 | 1317 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, l2+4 }; |
aba5acdf SH |
1318 | *bytecode = a; |
1319 | return l1+l2+4; | |
1320 | } | |
1321 | case SSF_NOT: | |
1322 | { | |
376fb868 | 1323 | char *a1 = NULL, *a; |
2a4fa1c3 | 1324 | int l1; |
acd1e437 | 1325 | |
aba5acdf | 1326 | l1 = ssfilter_bytecompile(f->pred, &a1); |
376fb868 DA |
1327 | if (!l1) { |
1328 | free(a1); | |
1329 | return 0; | |
1330 | } | |
aba5acdf SH |
1331 | if (!(a = malloc(l1+4))) abort(); |
1332 | memcpy(a, a1, l1); | |
1333 | free(a1); | |
acd1e437 | 1334 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, 8 }; |
aba5acdf SH |
1335 | *bytecode = a; |
1336 | return l1+4; | |
2d293212 DA |
1337 | } |
1338 | case SSF_DEVCOND: | |
1339 | { | |
1340 | /* bytecompile for SSF_DEVCOND not supported yet */ | |
1341 | return 0; | |
aba5acdf SH |
1342 | } |
1343 | default: | |
1344 | abort(); | |
1345 | } | |
1346 | } | |
1347 | ||
b4b0b7d5 | 1348 | static int remember_he(struct aafilter *a, struct hostent *he) |
aba5acdf | 1349 | { |
ae665a52 | 1350 | char **ptr = he->h_addr_list; |
aba5acdf SH |
1351 | int cnt = 0; |
1352 | int len; | |
1353 | ||
1354 | if (he->h_addrtype == AF_INET) | |
1355 | len = 4; | |
1356 | else if (he->h_addrtype == AF_INET6) | |
1357 | len = 16; | |
1358 | else | |
1359 | return 0; | |
1360 | ||
1361 | while (*ptr) { | |
1362 | struct aafilter *b = a; | |
acd1e437 | 1363 | |
aba5acdf SH |
1364 | if (a->addr.bitlen) { |
1365 | if ((b = malloc(sizeof(*b))) == NULL) | |
1366 | return cnt; | |
1367 | *b = *a; | |
1368 | b->next = a->next; | |
1369 | a->next = b; | |
1370 | } | |
1371 | memcpy(b->addr.data, *ptr, len); | |
1372 | b->addr.bytelen = len; | |
1373 | b->addr.bitlen = len*8; | |
1374 | b->addr.family = he->h_addrtype; | |
1375 | ptr++; | |
1376 | cnt++; | |
1377 | } | |
1378 | return cnt; | |
1379 | } | |
1380 | ||
b4b0b7d5 | 1381 | static int get_dns_host(struct aafilter *a, const char *addr, int fam) |
aba5acdf SH |
1382 | { |
1383 | static int notfirst; | |
1384 | int cnt = 0; | |
1385 | struct hostent *he; | |
1386 | ||
1387 | a->addr.bitlen = 0; | |
1388 | if (!notfirst) { | |
1389 | sethostent(1); | |
1390 | notfirst = 1; | |
1391 | } | |
1392 | he = gethostbyname2(addr, fam == AF_UNSPEC ? AF_INET : fam); | |
1393 | if (he) | |
1394 | cnt = remember_he(a, he); | |
1395 | if (fam == AF_UNSPEC) { | |
1396 | he = gethostbyname2(addr, AF_INET6); | |
1397 | if (he) | |
1398 | cnt += remember_he(a, he); | |
1399 | } | |
1400 | return !cnt; | |
1401 | } | |
1402 | ||
acd1e437 | 1403 | static int xll_initted; |
aba5acdf | 1404 | |
b4b0b7d5 | 1405 | static void xll_init(void) |
aba5acdf SH |
1406 | { |
1407 | struct rtnl_handle rth; | |
acd1e437 | 1408 | |
d2468da0 SH |
1409 | if (rtnl_open(&rth, 0) < 0) |
1410 | exit(1); | |
1411 | ||
aba5acdf SH |
1412 | ll_init_map(&rth); |
1413 | rtnl_close(&rth); | |
1414 | xll_initted = 1; | |
1415 | } | |
1416 | ||
b4b0b7d5 | 1417 | static const char *xll_index_to_name(int index) |
aba5acdf SH |
1418 | { |
1419 | if (!xll_initted) | |
1420 | xll_init(); | |
1421 | return ll_index_to_name(index); | |
1422 | } | |
1423 | ||
b4b0b7d5 | 1424 | static int xll_name_to_index(const char *dev) |
aba5acdf SH |
1425 | { |
1426 | if (!xll_initted) | |
1427 | xll_init(); | |
1428 | return ll_name_to_index(dev); | |
1429 | } | |
1430 | ||
2d293212 DA |
1431 | void *parse_devcond(char *name) |
1432 | { | |
1433 | struct aafilter a = { .iface = 0 }; | |
1434 | struct aafilter *res; | |
1435 | ||
1436 | a.iface = xll_name_to_index(name); | |
1437 | if (a.iface == 0) { | |
1438 | char *end; | |
930d3f28 | 1439 | unsigned long n; |
2d293212 | 1440 | |
930d3f28 DA |
1441 | n = strtoul(name, &end, 0); |
1442 | if (!end || end == name || *end || n > UINT_MAX) | |
2d293212 | 1443 | return NULL; |
930d3f28 DA |
1444 | |
1445 | a.iface = n; | |
2d293212 DA |
1446 | } |
1447 | ||
1448 | res = malloc(sizeof(*res)); | |
1449 | *res = a; | |
1450 | ||
1451 | return res; | |
1452 | } | |
1453 | ||
7871f7db | 1454 | void *parse_hostcond(char *addr, bool is_port) |
aba5acdf SH |
1455 | { |
1456 | char *port = NULL; | |
1527a17e | 1457 | struct aafilter a = { .port = -1 }; |
aba5acdf | 1458 | struct aafilter *res; |
1527a17e | 1459 | int fam = preferred_family; |
9db7bf15 | 1460 | struct filter *f = ¤t_filter; |
aba5acdf | 1461 | |
1527a17e | 1462 | if (fam == AF_UNIX || strncmp(addr, "unix:", 5) == 0) { |
aba5acdf | 1463 | char *p; |
acd1e437 | 1464 | |
aba5acdf SH |
1465 | a.addr.family = AF_UNIX; |
1466 | if (strncmp(addr, "unix:", 5) == 0) | |
acd1e437 | 1467 | addr += 5; |
aba5acdf SH |
1468 | p = strdup(addr); |
1469 | a.addr.bitlen = 8*strlen(p); | |
99bb68ff | 1470 | memcpy(a.addr.data, &p, sizeof(p)); |
9db7bf15 | 1471 | fam = AF_UNIX; |
aba5acdf SH |
1472 | goto out; |
1473 | } | |
1474 | ||
1527a17e | 1475 | if (fam == AF_PACKET || strncmp(addr, "link:", 5) == 0) { |
aba5acdf SH |
1476 | a.addr.family = AF_PACKET; |
1477 | a.addr.bitlen = 0; | |
1478 | if (strncmp(addr, "link:", 5) == 0) | |
acd1e437 | 1479 | addr += 5; |
aba5acdf SH |
1480 | port = strchr(addr, ':'); |
1481 | if (port) { | |
1482 | *port = 0; | |
1483 | if (port[1] && strcmp(port+1, "*")) { | |
1484 | if (get_integer(&a.port, port+1, 0)) { | |
1485 | if ((a.port = xll_name_to_index(port+1)) <= 0) | |
1486 | return NULL; | |
1487 | } | |
1488 | } | |
1489 | } | |
1490 | if (addr[0] && strcmp(addr, "*")) { | |
1491 | unsigned short tmp; | |
acd1e437 | 1492 | |
aba5acdf SH |
1493 | a.addr.bitlen = 32; |
1494 | if (ll_proto_a2n(&tmp, addr)) | |
1495 | return NULL; | |
1496 | a.addr.data[0] = ntohs(tmp); | |
1497 | } | |
9db7bf15 | 1498 | fam = AF_PACKET; |
aba5acdf SH |
1499 | goto out; |
1500 | } | |
1501 | ||
1527a17e | 1502 | if (fam == AF_NETLINK || strncmp(addr, "netlink:", 8) == 0) { |
aba5acdf SH |
1503 | a.addr.family = AF_NETLINK; |
1504 | a.addr.bitlen = 0; | |
1505 | if (strncmp(addr, "netlink:", 8) == 0) | |
acd1e437 | 1506 | addr += 8; |
aba5acdf SH |
1507 | port = strchr(addr, ':'); |
1508 | if (port) { | |
1509 | *port = 0; | |
1510 | if (port[1] && strcmp(port+1, "*")) { | |
1511 | if (get_integer(&a.port, port+1, 0)) { | |
1512 | if (strcmp(port+1, "kernel") == 0) | |
1513 | a.port = 0; | |
1514 | else | |
1515 | return NULL; | |
1516 | } | |
1517 | } | |
1518 | } | |
1519 | if (addr[0] && strcmp(addr, "*")) { | |
1520 | a.addr.bitlen = 32; | |
b00daf6a | 1521 | if (nl_proto_a2n(&a.addr.data[0], addr) == -1) |
1522 | return NULL; | |
aba5acdf | 1523 | } |
9db7bf15 | 1524 | fam = AF_NETLINK; |
aba5acdf SH |
1525 | goto out; |
1526 | } | |
1527 | ||
1527a17e | 1528 | if (fam == AF_INET || !strncmp(addr, "inet:", 5)) { |
aba5acdf | 1529 | fam = AF_INET; |
1527a17e VK |
1530 | if (!strncmp(addr, "inet:", 5)) |
1531 | addr += 5; | |
1532 | } else if (fam == AF_INET6 || !strncmp(addr, "inet6:", 6)) { | |
aba5acdf | 1533 | fam = AF_INET6; |
1527a17e VK |
1534 | if (!strncmp(addr, "inet6:", 6)) |
1535 | addr += 6; | |
aba5acdf SH |
1536 | } |
1537 | ||
1538 | /* URL-like literal [] */ | |
1539 | if (addr[0] == '[') { | |
1540 | addr++; | |
1541 | if ((port = strchr(addr, ']')) == NULL) | |
1542 | return NULL; | |
1543 | *port++ = 0; | |
1544 | } else if (addr[0] == '*') { | |
1545 | port = addr+1; | |
1546 | } else { | |
1547 | port = strrchr(strchr(addr, '/') ? : addr, ':'); | |
1548 | } | |
7871f7db VK |
1549 | |
1550 | if (is_port) | |
1551 | port = addr; | |
1552 | ||
aba5acdf | 1553 | if (port && *port) { |
7871f7db VK |
1554 | if (*port == ':') |
1555 | *port++ = 0; | |
1556 | ||
aba5acdf SH |
1557 | if (*port && *port != '*') { |
1558 | if (get_integer(&a.port, port, 0)) { | |
1559 | struct servent *se1 = NULL; | |
1560 | struct servent *se2 = NULL; | |
acd1e437 | 1561 | |
aba5acdf SH |
1562 | if (current_filter.dbs&(1<<UDP_DB)) |
1563 | se1 = getservbyname(port, UDP_PROTO); | |
1564 | if (current_filter.dbs&(1<<TCP_DB)) | |
1565 | se2 = getservbyname(port, TCP_PROTO); | |
1566 | if (se1 && se2 && se1->s_port != se2->s_port) { | |
1567 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); | |
1568 | return NULL; | |
1569 | } | |
1570 | if (!se1) | |
1571 | se1 = se2; | |
1572 | if (se1) { | |
1573 | a.port = ntohs(se1->s_port); | |
1574 | } else { | |
1575 | struct scache *s; | |
acd1e437 | 1576 | |
aba5acdf SH |
1577 | for (s = rlist; s; s = s->next) { |
1578 | if ((s->proto == UDP_PROTO && | |
1579 | (current_filter.dbs&(1<<UDP_DB))) || | |
1580 | (s->proto == TCP_PROTO && | |
1581 | (current_filter.dbs&(1<<TCP_DB)))) { | |
1582 | if (s->name && strcmp(s->name, port) == 0) { | |
1583 | if (a.port > 0 && a.port != s->port) { | |
1584 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); | |
1585 | return NULL; | |
1586 | } | |
1587 | a.port = s->port; | |
1588 | } | |
1589 | } | |
1590 | } | |
1591 | if (a.port <= 0) { | |
1592 | fprintf(stderr, "Error: \"%s\" does not look like a port.\n", port); | |
1593 | return NULL; | |
1594 | } | |
1595 | } | |
1596 | } | |
1597 | } | |
1598 | } | |
7871f7db | 1599 | if (!is_port && addr && *addr && *addr != '*') { |
aba5acdf SH |
1600 | if (get_prefix_1(&a.addr, addr, fam)) { |
1601 | if (get_dns_host(&a, addr, fam)) { | |
1602 | fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", addr); | |
1603 | return NULL; | |
1604 | } | |
1605 | } | |
1606 | } | |
1607 | ||
9db7bf15 | 1608 | out: |
1527a17e | 1609 | if (fam != AF_UNSPEC) { |
e56a959e | 1610 | int states = f->states; |
1527a17e | 1611 | f->families = 0; |
9db7bf15 | 1612 | filter_af_set(f, fam); |
e56a959e | 1613 | filter_states_set(f, states); |
1527a17e | 1614 | } |
9db7bf15 | 1615 | |
aba5acdf SH |
1616 | res = malloc(sizeof(*res)); |
1617 | if (res) | |
1618 | memcpy(res, &a, sizeof(a)); | |
1619 | return res; | |
1620 | } | |
1621 | ||
8250bc9f VK |
1622 | static char *proto_name(int protocol) |
1623 | { | |
1624 | switch (protocol) { | |
235c4453 NA |
1625 | case 0: |
1626 | return "raw"; | |
8250bc9f VK |
1627 | case IPPROTO_UDP: |
1628 | return "udp"; | |
1629 | case IPPROTO_TCP: | |
1630 | return "tcp"; | |
1631 | case IPPROTO_DCCP: | |
1632 | return "dccp"; | |
1633 | } | |
1634 | ||
1635 | return "???"; | |
1636 | } | |
1637 | ||
055840f2 | 1638 | static void inet_stats_print(struct sockstat *s, int protocol) |
8250bc9f VK |
1639 | { |
1640 | char *buf = NULL; | |
1641 | ||
2d791bc8 | 1642 | sock_state_print(s, proto_name(protocol)); |
8250bc9f | 1643 | |
b217df10 VK |
1644 | inet_addr_print(&s->local, s->lport, s->iface); |
1645 | inet_addr_print(&s->remote, s->rport, 0); | |
8250bc9f | 1646 | |
8250bc9f VK |
1647 | if (show_proc_ctx || show_sock_ctx) { |
1648 | if (find_entry(s->ino, &buf, | |
1649 | (show_proc_ctx & show_sock_ctx) ? | |
1650 | PROC_SOCK_CTX : PROC_CTX) > 0) { | |
1651 | printf(" users:(%s)", buf); | |
1652 | free(buf); | |
1653 | } | |
1654 | } else if (show_users) { | |
1655 | if (find_entry(s->ino, &buf, USERS) > 0) { | |
1656 | printf(" users:(%s)", buf); | |
1657 | free(buf); | |
1658 | } | |
1659 | } | |
1660 | } | |
1661 | ||
055840f2 | 1662 | static int proc_parse_inet_addr(char *loc, char *rem, int family, struct |
acd1e437 | 1663 | sockstat * s) |
8250bc9f VK |
1664 | { |
1665 | s->local.family = s->remote.family = family; | |
1666 | if (family == AF_INET) { | |
acd1e437 SH |
1667 | sscanf(loc, "%x:%x", s->local.data, (unsigned *)&s->lport); |
1668 | sscanf(rem, "%x:%x", s->remote.data, (unsigned *)&s->rport); | |
8250bc9f VK |
1669 | s->local.bytelen = s->remote.bytelen = 4; |
1670 | return 0; | |
1671 | } else { | |
1672 | sscanf(loc, "%08x%08x%08x%08x:%x", | |
1673 | s->local.data, | |
1674 | s->local.data + 1, | |
1675 | s->local.data + 2, | |
1676 | s->local.data + 3, | |
1677 | &s->lport); | |
1678 | sscanf(rem, "%08x%08x%08x%08x:%x", | |
1679 | s->remote.data, | |
1680 | s->remote.data + 1, | |
1681 | s->remote.data + 2, | |
1682 | s->remote.data + 3, | |
1683 | &s->rport); | |
1684 | s->local.bytelen = s->remote.bytelen = 16; | |
1685 | return 0; | |
1686 | } | |
1687 | return -1; | |
1688 | } | |
1689 | ||
1690 | static int proc_inet_split_line(char *line, char **loc, char **rem, char **data) | |
aba5acdf | 1691 | { |
aba5acdf | 1692 | char *p; |
ae665a52 | 1693 | |
aba5acdf SH |
1694 | if ((p = strchr(line, ':')) == NULL) |
1695 | return -1; | |
ae665a52 | 1696 | |
8250bc9f VK |
1697 | *loc = p+2; |
1698 | if ((p = strchr(*loc, ':')) == NULL) | |
aba5acdf | 1699 | return -1; |
ae665a52 | 1700 | |
8250bc9f VK |
1701 | p[5] = 0; |
1702 | *rem = p+6; | |
1703 | if ((p = strchr(*rem, ':')) == NULL) | |
aba5acdf | 1704 | return -1; |
8250bc9f | 1705 | |
aba5acdf | 1706 | p[5] = 0; |
8250bc9f VK |
1707 | *data = p+6; |
1708 | return 0; | |
1709 | } | |
ae665a52 | 1710 | |
8250bc9f VK |
1711 | static char *sprint_bw(char *buf, double bw) |
1712 | { | |
1713 | if (bw > 1000000.) | |
acd1e437 | 1714 | sprintf(buf, "%.1fM", bw / 1000000.); |
8250bc9f | 1715 | else if (bw > 1000.) |
acd1e437 | 1716 | sprintf(buf, "%.1fK", bw / 1000.); |
8250bc9f VK |
1717 | else |
1718 | sprintf(buf, "%g", bw); | |
aba5acdf | 1719 | |
8250bc9f VK |
1720 | return buf; |
1721 | } | |
ae665a52 | 1722 | |
8250bc9f VK |
1723 | static void tcp_stats_print(struct tcpstat *s) |
1724 | { | |
1725 | char b1[64]; | |
1726 | ||
1727 | if (s->has_ts_opt) | |
1728 | printf(" ts"); | |
1729 | if (s->has_sack_opt) | |
1730 | printf(" sack"); | |
1731 | if (s->has_ecn_opt) | |
1732 | printf(" ecn"); | |
1733 | if (s->has_ecnseen_opt) | |
1734 | printf(" ecnseen"); | |
1735 | if (s->has_fastopen_opt) | |
1736 | printf(" fastopen"); | |
d2055ea5 | 1737 | if (s->cong_alg[0]) |
8250bc9f VK |
1738 | printf(" %s", s->cong_alg); |
1739 | if (s->has_wscale_opt) | |
1740 | printf(" wscale:%d,%d", s->snd_wscale, s->rcv_wscale); | |
1741 | if (s->rto) | |
1742 | printf(" rto:%g", s->rto); | |
1743 | if (s->backoff) | |
1744 | printf(" backoff:%u", s->backoff); | |
1745 | if (s->rtt) | |
1746 | printf(" rtt:%g/%g", s->rtt, s->rttvar); | |
1747 | if (s->ato) | |
1748 | printf(" ato:%g", s->ato); | |
1749 | ||
1750 | if (s->qack) | |
1751 | printf(" qack:%d", s->qack); | |
1752 | if (s->qack & 1) | |
1753 | printf(" bidir"); | |
1754 | ||
1755 | if (s->mss) | |
1756 | printf(" mss:%d", s->mss); | |
3bf5445c | 1757 | if (s->cwnd) |
8250bc9f VK |
1758 | printf(" cwnd:%d", s->cwnd); |
1759 | if (s->ssthresh) | |
1760 | printf(" ssthresh:%d", s->ssthresh); | |
1761 | ||
1a4dda71 ED |
1762 | if (s->bytes_acked) |
1763 | printf(" bytes_acked:%llu", s->bytes_acked); | |
1764 | if (s->bytes_received) | |
1765 | printf(" bytes_received:%llu", s->bytes_received); | |
ecb435ea CG |
1766 | if (s->segs_out) |
1767 | printf(" segs_out:%u", s->segs_out); | |
1768 | if (s->segs_in) | |
1769 | printf(" segs_in:%u", s->segs_in); | |
414aeec9 MKL |
1770 | if (s->data_segs_out) |
1771 | printf(" data_segs_out:%u", s->data_segs_out); | |
1772 | if (s->data_segs_in) | |
1773 | printf(" data_segs_in:%u", s->data_segs_in); | |
1a4dda71 | 1774 | |
8250bc9f VK |
1775 | if (s->dctcp && s->dctcp->enabled) { |
1776 | struct dctcpstat *dctcp = s->dctcp; | |
1777 | ||
3bf5445c | 1778 | printf(" dctcp:(ce_state:%u,alpha:%u,ab_ecn:%u,ab_tot:%u)", |
8250bc9f VK |
1779 | dctcp->ce_state, dctcp->alpha, dctcp->ab_ecn, |
1780 | dctcp->ab_tot); | |
1781 | } else if (s->dctcp) { | |
3bf5445c | 1782 | printf(" dctcp:fallback_mode"); |
8250bc9f VK |
1783 | } |
1784 | ||
1785 | if (s->send_bps) | |
1786 | printf(" send %sbps", sprint_bw(b1, s->send_bps)); | |
1787 | if (s->lastsnd) | |
1788 | printf(" lastsnd:%u", s->lastsnd); | |
1789 | if (s->lastrcv) | |
1790 | printf(" lastrcv:%u", s->lastrcv); | |
1791 | if (s->lastack) | |
1792 | printf(" lastack:%u", s->lastack); | |
1793 | ||
1794 | if (s->pacing_rate) { | |
1795 | printf(" pacing_rate %sbps", sprint_bw(b1, s->pacing_rate)); | |
1796 | if (s->pacing_rate_max) | |
1797 | printf("/%sbps", sprint_bw(b1, | |
1798 | s->pacing_rate_max)); | |
1799 | } | |
1800 | ||
1801 | if (s->unacked) | |
1802 | printf(" unacked:%u", s->unacked); | |
1803 | if (s->retrans || s->retrans_total) | |
1804 | printf(" retrans:%u/%u", s->retrans, s->retrans_total); | |
1805 | if (s->lost) | |
1806 | printf(" lost:%u", s->lost); | |
055840f2 | 1807 | if (s->sacked && s->ss.state != SS_LISTEN) |
8250bc9f VK |
1808 | printf(" sacked:%u", s->sacked); |
1809 | if (s->fackets) | |
1810 | printf(" fackets:%u", s->fackets); | |
1811 | if (s->reordering != 3) | |
1812 | printf(" reordering:%d", s->reordering); | |
1813 | if (s->rcv_rtt) | |
1814 | printf(" rcv_rtt:%g", s->rcv_rtt); | |
1815 | if (s->rcv_space) | |
1816 | printf(" rcv_space:%d", s->rcv_space); | |
9e99e495 SH |
1817 | if (s->not_sent) |
1818 | printf(" notsent:%u", s->not_sent); | |
1819 | if (s->min_rtt) | |
1820 | printf(" minrtt:%g", s->min_rtt); | |
8250bc9f VK |
1821 | } |
1822 | ||
055840f2 VK |
1823 | static void tcp_timer_print(struct tcpstat *s) |
1824 | { | |
1825 | if (s->timer) { | |
1826 | if (s->timer > 4) | |
1827 | s->timer = 5; | |
1828 | printf(" timer:(%s,%s,%d)", | |
1829 | tmr_name[s->timer], | |
1830 | print_ms_timer(s->timeout), | |
1831 | s->retrans); | |
1832 | } | |
1833 | } | |
1834 | ||
8250bc9f VK |
1835 | static int tcp_show_line(char *line, const struct filter *f, int family) |
1836 | { | |
1837 | int rto = 0, ato = 0; | |
1838 | struct tcpstat s = {}; | |
1839 | char *loc, *rem, *data; | |
1840 | char opt[256]; | |
1841 | int n; | |
1842 | int hz = get_user_hz(); | |
1843 | ||
1844 | if (proc_inet_split_line(line, &loc, &rem, &data)) | |
1845 | return -1; | |
1846 | ||
1847 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); | |
acd1e437 | 1848 | |
8250bc9f VK |
1849 | if (!(f->states & (1 << state))) |
1850 | return 0; | |
1851 | ||
055840f2 | 1852 | proc_parse_inet_addr(loc, rem, family, &s.ss); |
ae665a52 | 1853 | |
055840f2 | 1854 | if (f->f && run_ssfilter(f->f, &s.ss) == 0) |
aba5acdf | 1855 | return 0; |
ae665a52 | 1856 | |
aba5acdf | 1857 | opt[0] = 0; |
e7113c61 | 1858 | n = sscanf(data, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %d %d %[^\n]\n", |
055840f2 VK |
1859 | &s.ss.state, &s.ss.wq, &s.ss.rq, |
1860 | &s.timer, &s.timeout, &s.retrans, &s.ss.uid, &s.probes, | |
1861 | &s.ss.ino, &s.ss.refcnt, &s.ss.sk, &rto, &ato, &s.qack, &s.cwnd, | |
1862 | &s.ssthresh, opt); | |
ae665a52 | 1863 | |
aba5acdf SH |
1864 | if (n < 17) |
1865 | opt[0] = 0; | |
ae665a52 | 1866 | |
aba5acdf | 1867 | if (n < 12) { |
8250bc9f | 1868 | rto = 0; |
aba5acdf SH |
1869 | s.cwnd = 2; |
1870 | s.ssthresh = -1; | |
8250bc9f | 1871 | ato = s.qack = 0; |
aba5acdf | 1872 | } |
ae665a52 | 1873 | |
8250bc9f VK |
1874 | s.retrans = s.timer != 1 ? s.probes : s.retrans; |
1875 | s.timeout = (s.timeout * 1000 + hz - 1) / hz; | |
1876 | s.ato = (double)ato / hz; | |
1877 | s.qack /= 2; | |
1878 | s.rto = (double)rto; | |
1879 | s.ssthresh = s.ssthresh == -1 ? 0 : s.ssthresh; | |
1880 | s.rto = s.rto != 3 * hz ? s.rto / hz : 0; | |
ae665a52 | 1881 | |
055840f2 VK |
1882 | inet_stats_print(&s.ss, IPPROTO_TCP); |
1883 | ||
1884 | if (show_options) | |
1885 | tcp_timer_print(&s); | |
116ac927 | 1886 | |
aba5acdf | 1887 | if (show_details) { |
f1b39e1b | 1888 | sock_details_print(&s.ss); |
aba5acdf SH |
1889 | if (opt[0]) |
1890 | printf(" opt:\"%s\"", opt); | |
1891 | } | |
aba5acdf | 1892 | |
8250bc9f VK |
1893 | if (show_tcpinfo) |
1894 | tcp_stats_print(&s); | |
1895 | ||
1896 | printf("\n"); | |
aba5acdf SH |
1897 | return 0; |
1898 | } | |
1899 | ||
ab01dbbb SH |
1900 | static int generic_record_read(FILE *fp, |
1901 | int (*worker)(char*, const struct filter *, int), | |
1902 | const struct filter *f, int fam) | |
aba5acdf | 1903 | { |
ab01dbbb | 1904 | char line[256]; |
aba5acdf | 1905 | |
ab01dbbb SH |
1906 | /* skip header */ |
1907 | if (fgets(line, sizeof(line), fp) == NULL) | |
aba5acdf | 1908 | goto outerr; |
ab01dbbb SH |
1909 | |
1910 | while (fgets(line, sizeof(line), fp) != NULL) { | |
1911 | int n = strlen(line); | |
acd1e437 | 1912 | |
ab01dbbb SH |
1913 | if (n == 0 || line[n-1] != '\n') { |
1914 | errno = -EINVAL; | |
1915 | return -1; | |
aba5acdf | 1916 | } |
ab01dbbb | 1917 | line[n-1] = 0; |
aba5acdf | 1918 | |
ab01dbbb SH |
1919 | if (worker(line, f, fam) < 0) |
1920 | return 0; | |
1921 | } | |
aba5acdf | 1922 | outerr: |
ab01dbbb SH |
1923 | |
1924 | return ferror(fp) ? -1 : 0; | |
aba5acdf | 1925 | } |
ae665a52 | 1926 | |
51ff9f24 HFS |
1927 | static void print_skmeminfo(struct rtattr *tb[], int attrtype) |
1928 | { | |
1929 | const __u32 *skmeminfo; | |
db08bdb8 VK |
1930 | |
1931 | if (!tb[attrtype]) { | |
1932 | if (attrtype == INET_DIAG_SKMEMINFO) { | |
1933 | if (!tb[INET_DIAG_MEMINFO]) | |
1934 | return; | |
1935 | ||
1936 | const struct inet_diag_meminfo *minfo = | |
1937 | RTA_DATA(tb[INET_DIAG_MEMINFO]); | |
1938 | ||
1939 | printf(" mem:(r%u,w%u,f%u,t%u)", | |
1940 | minfo->idiag_rmem, | |
1941 | minfo->idiag_wmem, | |
1942 | minfo->idiag_fmem, | |
1943 | minfo->idiag_tmem); | |
1944 | } | |
51ff9f24 | 1945 | return; |
db08bdb8 VK |
1946 | } |
1947 | ||
51ff9f24 HFS |
1948 | skmeminfo = RTA_DATA(tb[attrtype]); |
1949 | ||
1950 | printf(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u", | |
1951 | skmeminfo[SK_MEMINFO_RMEM_ALLOC], | |
1952 | skmeminfo[SK_MEMINFO_RCVBUF], | |
1953 | skmeminfo[SK_MEMINFO_WMEM_ALLOC], | |
1954 | skmeminfo[SK_MEMINFO_SNDBUF], | |
1955 | skmeminfo[SK_MEMINFO_FWD_ALLOC], | |
1956 | skmeminfo[SK_MEMINFO_WMEM_QUEUED], | |
1957 | skmeminfo[SK_MEMINFO_OPTMEM]); | |
1958 | ||
1959 | if (RTA_PAYLOAD(tb[attrtype]) >= | |
1960 | (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32)) | |
1961 | printf(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]); | |
1962 | ||
6df9c7a0 ED |
1963 | if (RTA_PAYLOAD(tb[attrtype]) >= |
1964 | (SK_MEMINFO_DROPS + 1) * sizeof(__u32)) | |
1965 | printf(",d%u", skmeminfo[SK_MEMINFO_DROPS]); | |
1966 | ||
51ff9f24 HFS |
1967 | printf(")"); |
1968 | } | |
1969 | ||
8250bc9f VK |
1970 | #define TCPI_HAS_OPT(info, opt) !!(info->tcpi_options & (opt)) |
1971 | ||
5b816047 PE |
1972 | static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, |
1973 | struct rtattr *tb[]) | |
7d105b56 | 1974 | { |
b4b0b7d5 | 1975 | double rtt = 0; |
8250bc9f | 1976 | struct tcpstat s = {}; |
7d105b56 | 1977 | |
055840f2 VK |
1978 | s.ss.state = r->idiag_state; |
1979 | ||
db08bdb8 | 1980 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); |
7d105b56 | 1981 | |
351efcde | 1982 | if (tb[INET_DIAG_INFO]) { |
05e18118 | 1983 | struct tcp_info *info; |
351efcde | 1984 | int len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); |
05e18118 SH |
1985 | |
1986 | /* workaround for older kernels with less fields */ | |
1987 | if (len < sizeof(*info)) { | |
1988 | info = alloca(sizeof(*info)); | |
351efcde | 1989 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); |
656e8fdd | 1990 | memset((char *)info + len, 0, sizeof(*info) - len); |
05e18118 | 1991 | } else |
351efcde | 1992 | info = RTA_DATA(tb[INET_DIAG_INFO]); |
05e18118 | 1993 | |
b4b0b7d5 | 1994 | if (show_options) { |
8250bc9f VK |
1995 | s.has_ts_opt = TCPI_HAS_OPT(info, TCPI_OPT_TIMESTAMPS); |
1996 | s.has_sack_opt = TCPI_HAS_OPT(info, TCPI_OPT_SACK); | |
1997 | s.has_ecn_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN); | |
1998 | s.has_ecnseen_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN_SEEN); | |
1999 | s.has_fastopen_opt = TCPI_HAS_OPT(info, TCPI_OPT_SYN_DATA); | |
b4b0b7d5 | 2000 | } |
52d5ac3f | 2001 | |
d2055ea5 ED |
2002 | if (tb[INET_DIAG_CONG]) |
2003 | strncpy(s.cong_alg, | |
2004 | rta_getattr_str(tb[INET_DIAG_CONG]), | |
2005 | sizeof(s.cong_alg) - 1); | |
8250bc9f VK |
2006 | |
2007 | if (TCPI_HAS_OPT(info, TCPI_OPT_WSCALE)) { | |
2008 | s.has_wscale_opt = true; | |
2009 | s.snd_wscale = info->tcpi_snd_wscale; | |
2010 | s.rcv_wscale = info->tcpi_rcv_wscale; | |
2011 | } | |
ea8fc104 | 2012 | |
7d105b56 | 2013 | if (info->tcpi_rto && info->tcpi_rto != 3000000) |
8250bc9f VK |
2014 | s.rto = (double)info->tcpi_rto / 1000; |
2015 | ||
2016 | s.backoff = info->tcpi_backoff; | |
2017 | s.rtt = (double)info->tcpi_rtt / 1000; | |
2018 | s.rttvar = (double)info->tcpi_rttvar / 1000; | |
11ba90fc | 2019 | s.ato = (double)info->tcpi_ato / 1000; |
8250bc9f VK |
2020 | s.mss = info->tcpi_snd_mss; |
2021 | s.rcv_space = info->tcpi_rcv_space; | |
2022 | s.rcv_rtt = (double)info->tcpi_rcv_rtt / 1000; | |
2023 | s.lastsnd = info->tcpi_last_data_sent; | |
2024 | s.lastrcv = info->tcpi_last_data_recv; | |
2025 | s.lastack = info->tcpi_last_ack_recv; | |
2026 | s.unacked = info->tcpi_unacked; | |
2027 | s.retrans = info->tcpi_retrans; | |
2028 | s.retrans_total = info->tcpi_total_retrans; | |
2029 | s.lost = info->tcpi_lost; | |
2030 | s.sacked = info->tcpi_sacked; | |
2031 | s.reordering = info->tcpi_reordering; | |
2032 | s.rcv_space = info->tcpi_rcv_space; | |
2033 | s.cwnd = info->tcpi_snd_cwnd; | |
2034 | ||
7d105b56 | 2035 | if (info->tcpi_snd_ssthresh < 0xFFFF) |
8250bc9f | 2036 | s.ssthresh = info->tcpi_snd_ssthresh; |
52d5ac3f | 2037 | |
b4b0b7d5 | 2038 | rtt = (double) info->tcpi_rtt; |
351efcde | 2039 | if (tb[INET_DIAG_VEGASINFO]) { |
05e18118 | 2040 | const struct tcpvegas_info *vinfo |
351efcde | 2041 | = RTA_DATA(tb[INET_DIAG_VEGASINFO]); |
7d105b56 | 2042 | |
ae665a52 | 2043 | if (vinfo->tcpv_enabled && |
8250bc9f | 2044 | vinfo->tcpv_rtt && vinfo->tcpv_rtt != 0x7fffffff) |
ea8fc104 | 2045 | rtt = vinfo->tcpv_rtt; |
b4b0b7d5 SH |
2046 | } |
2047 | ||
907e1aca | 2048 | if (tb[INET_DIAG_DCTCPINFO]) { |
8250bc9f VK |
2049 | struct dctcpstat *dctcp = malloc(sizeof(struct |
2050 | dctcpstat)); | |
2051 | ||
907e1aca DB |
2052 | const struct tcp_dctcp_info *dinfo |
2053 | = RTA_DATA(tb[INET_DIAG_DCTCPINFO]); | |
2054 | ||
8250bc9f VK |
2055 | dctcp->enabled = !!dinfo->dctcp_enabled; |
2056 | dctcp->ce_state = dinfo->dctcp_ce_state; | |
2057 | dctcp->alpha = dinfo->dctcp_alpha; | |
2058 | dctcp->ab_ecn = dinfo->dctcp_ab_ecn; | |
2059 | dctcp->ab_tot = dinfo->dctcp_ab_tot; | |
2060 | s.dctcp = dctcp; | |
907e1aca DB |
2061 | } |
2062 | ||
b4b0b7d5 | 2063 | if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) { |
8250bc9f VK |
2064 | s.send_bps = (double) info->tcpi_snd_cwnd * |
2065 | (double)info->tcpi_snd_mss * 8000000. / rtt; | |
7d105b56 | 2066 | } |
b4b0b7d5 | 2067 | |
eb6028b2 | 2068 | if (info->tcpi_pacing_rate && |
8250bc9f VK |
2069 | info->tcpi_pacing_rate != ~0ULL) { |
2070 | s.pacing_rate = info->tcpi_pacing_rate * 8.; | |
eb6028b2 ED |
2071 | |
2072 | if (info->tcpi_max_pacing_rate && | |
8250bc9f VK |
2073 | info->tcpi_max_pacing_rate != ~0ULL) |
2074 | s.pacing_rate_max = info->tcpi_max_pacing_rate * 8.; | |
eb6028b2 | 2075 | } |
1a4dda71 ED |
2076 | s.bytes_acked = info->tcpi_bytes_acked; |
2077 | s.bytes_received = info->tcpi_bytes_received; | |
ecb435ea CG |
2078 | s.segs_out = info->tcpi_segs_out; |
2079 | s.segs_in = info->tcpi_segs_in; | |
414aeec9 MKL |
2080 | s.data_segs_out = info->tcpi_data_segs_out; |
2081 | s.data_segs_in = info->tcpi_data_segs_in; | |
9e99e495 | 2082 | s.not_sent = info->tcpi_notsent_bytes; |
d9ba887e ED |
2083 | if (info->tcpi_min_rtt && info->tcpi_min_rtt != ~0U) |
2084 | s.min_rtt = (double) info->tcpi_min_rtt / 1000; | |
8250bc9f | 2085 | tcp_stats_print(&s); |
92de1c2c | 2086 | free(s.dctcp); |
77a8ca81 | 2087 | } |
77a8ca81 PE |
2088 | } |
2089 | ||
82d73ea0 | 2090 | static void parse_diag_msg(struct nlmsghdr *nlh, struct sockstat *s) |
aba5acdf | 2091 | { |
acd1e437 | 2092 | struct rtattr *tb[INET_DIAG_MAX+1]; |
351efcde | 2093 | struct inet_diag_msg *r = NLMSG_DATA(nlh); |
aba5acdf | 2094 | |
acd1e437 | 2095 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), |
5b816047 PE |
2096 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
2097 | ||
82d73ea0 DA |
2098 | s->state = r->idiag_state; |
2099 | s->local.family = s->remote.family = r->idiag_family; | |
2100 | s->lport = ntohs(r->id.idiag_sport); | |
2101 | s->rport = ntohs(r->id.idiag_dport); | |
2102 | s->wq = r->idiag_wqueue; | |
2103 | s->rq = r->idiag_rqueue; | |
2104 | s->ino = r->idiag_inode; | |
2105 | s->uid = r->idiag_uid; | |
2106 | s->iface = r->id.idiag_if; | |
2107 | s->sk = cookie_sk_get(&r->id.idiag_cookie[0]); | |
2108 | ||
2109 | if (s->local.family == AF_INET) | |
2110 | s->local.bytelen = s->remote.bytelen = 4; | |
2111 | else | |
2112 | s->local.bytelen = s->remote.bytelen = 16; | |
8250bc9f | 2113 | |
82d73ea0 DA |
2114 | memcpy(s->local.data, r->id.idiag_src, s->local.bytelen); |
2115 | memcpy(s->remote.data, r->id.idiag_dst, s->local.bytelen); | |
2116 | } | |
aba5acdf | 2117 | |
82d73ea0 DA |
2118 | static int inet_show_sock(struct nlmsghdr *nlh, |
2119 | struct sockstat *s, | |
2120 | int protocol) | |
2121 | { | |
2122 | struct rtattr *tb[INET_DIAG_MAX+1]; | |
2123 | struct inet_diag_msg *r = NLMSG_DATA(nlh); | |
2124 | ||
2125 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), | |
2126 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); | |
aba5acdf | 2127 | |
6885e3bf CG |
2128 | if (tb[INET_DIAG_PROTOCOL]) |
2129 | protocol = *(__u8 *)RTA_DATA(tb[INET_DIAG_PROTOCOL]); | |
2130 | ||
82d73ea0 | 2131 | inet_stats_print(s, protocol); |
116ac927 | 2132 | |
055840f2 VK |
2133 | if (show_options) { |
2134 | struct tcpstat t = {}; | |
2135 | ||
2136 | t.timer = r->idiag_timer; | |
2137 | t.timeout = r->idiag_expires; | |
2138 | t.retrans = r->idiag_retrans; | |
2139 | tcp_timer_print(&t); | |
2140 | } | |
2141 | ||
aba5acdf | 2142 | if (show_details) { |
82d73ea0 DA |
2143 | sock_details_print(s); |
2144 | if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY]) { | |
f32dc746 | 2145 | unsigned char v6only; |
acd1e437 | 2146 | |
f32dc746 PS |
2147 | v6only = *(__u8 *)RTA_DATA(tb[INET_DIAG_SKV6ONLY]); |
2148 | printf(" v6only:%u", v6only); | |
2149 | } | |
5b816047 PE |
2150 | if (tb[INET_DIAG_SHUTDOWN]) { |
2151 | unsigned char mask; | |
acd1e437 | 2152 | |
5b816047 PE |
2153 | mask = *(__u8 *)RTA_DATA(tb[INET_DIAG_SHUTDOWN]); |
2154 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); | |
2155 | } | |
aba5acdf | 2156 | } |
8250bc9f | 2157 | |
aba5acdf | 2158 | if (show_mem || show_tcpinfo) { |
7d105b56 | 2159 | printf("\n\t"); |
5b816047 | 2160 | tcp_show_info(nlh, r, tb); |
aba5acdf | 2161 | } |
7d105b56 | 2162 | |
aba5acdf | 2163 | printf("\n"); |
aba5acdf | 2164 | return 0; |
aba5acdf SH |
2165 | } |
2166 | ||
746a695f | 2167 | static int tcpdiag_send(int fd, int protocol, struct filter *f) |
aba5acdf | 2168 | { |
d17b136f | 2169 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
aba5acdf SH |
2170 | struct { |
2171 | struct nlmsghdr nlh; | |
351efcde | 2172 | struct inet_diag_req r; |
d17b136f PS |
2173 | } req = { |
2174 | .nlh.nlmsg_len = sizeof(req), | |
2175 | .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST, | |
2176 | .nlh.nlmsg_seq = MAGIC_SEQ, | |
2177 | .r.idiag_family = AF_INET, | |
2178 | .r.idiag_states = f->states, | |
2179 | }; | |
aba5acdf SH |
2180 | char *bc = NULL; |
2181 | int bclen; | |
2182 | struct msghdr msg; | |
2183 | struct rtattr rta; | |
aba5acdf | 2184 | struct iovec iov[3]; |
376fb868 | 2185 | int iovlen = 1; |
aba5acdf | 2186 | |
346f8ca8 PE |
2187 | if (protocol == IPPROTO_UDP) |
2188 | return -1; | |
2189 | ||
3fe5b534 PE |
2190 | if (protocol == IPPROTO_TCP) |
2191 | req.nlh.nlmsg_type = TCPDIAG_GETSOCK; | |
2192 | else | |
2193 | req.nlh.nlmsg_type = DCCPDIAG_GETSOCK; | |
910b0397 | 2194 | if (show_mem) { |
ae665a52 | 2195 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); |
910b0397 SW |
2196 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); |
2197 | } | |
b4b0b7d5 | 2198 | |
7d105b56 | 2199 | if (show_tcpinfo) { |
351efcde SH |
2200 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); |
2201 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); | |
2202 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); | |
7d105b56 | 2203 | } |
aba5acdf | 2204 | |
ae665a52 SH |
2205 | iov[0] = (struct iovec){ |
2206 | .iov_base = &req, | |
2207 | .iov_len = sizeof(req) | |
ea8fc104 | 2208 | }; |
aba5acdf SH |
2209 | if (f->f) { |
2210 | bclen = ssfilter_bytecompile(f->f, &bc); | |
376fb868 DA |
2211 | if (bclen) { |
2212 | rta.rta_type = INET_DIAG_REQ_BYTECODE; | |
2213 | rta.rta_len = RTA_LENGTH(bclen); | |
2214 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; | |
2215 | iov[2] = (struct iovec){ bc, bclen }; | |
2216 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); | |
2217 | iovlen = 3; | |
2218 | } | |
aba5acdf SH |
2219 | } |
2220 | ||
2221 | msg = (struct msghdr) { | |
acd1e437 | 2222 | .msg_name = (void *)&nladdr, |
ea8fc104 | 2223 | .msg_namelen = sizeof(nladdr), |
ae665a52 | 2224 | .msg_iov = iov, |
376fb868 | 2225 | .msg_iovlen = iovlen, |
aba5acdf SH |
2226 | }; |
2227 | ||
930a75f9 ED |
2228 | if (sendmsg(fd, &msg, 0) < 0) { |
2229 | close(fd); | |
aba5acdf | 2230 | return -1; |
930a75f9 | 2231 | } |
aba5acdf | 2232 | |
746a695f PE |
2233 | return 0; |
2234 | } | |
2235 | ||
886d19d6 PE |
2236 | static int sockdiag_send(int family, int fd, int protocol, struct filter *f) |
2237 | { | |
d17b136f | 2238 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
5fb421d4 | 2239 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
886d19d6 PE |
2240 | char *bc = NULL; |
2241 | int bclen; | |
2242 | struct msghdr msg; | |
2243 | struct rtattr rta; | |
2244 | struct iovec iov[3]; | |
376fb868 | 2245 | int iovlen = 1; |
886d19d6 PE |
2246 | |
2247 | if (family == PF_UNSPEC) | |
2248 | return tcpdiag_send(fd, protocol, f); | |
2249 | ||
886d19d6 PE |
2250 | memset(&req.r, 0, sizeof(req.r)); |
2251 | req.r.sdiag_family = family; | |
2252 | req.r.sdiag_protocol = protocol; | |
2253 | req.r.idiag_states = f->states; | |
2254 | if (show_mem) { | |
2255 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); | |
2256 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); | |
2257 | } | |
2258 | ||
2259 | if (show_tcpinfo) { | |
2260 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); | |
2261 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); | |
2262 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); | |
2263 | } | |
2264 | ||
2265 | iov[0] = (struct iovec){ | |
2266 | .iov_base = &req, | |
2267 | .iov_len = sizeof(req) | |
2268 | }; | |
2269 | if (f->f) { | |
2270 | bclen = ssfilter_bytecompile(f->f, &bc); | |
376fb868 DA |
2271 | if (bclen) { |
2272 | rta.rta_type = INET_DIAG_REQ_BYTECODE; | |
2273 | rta.rta_len = RTA_LENGTH(bclen); | |
2274 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; | |
2275 | iov[2] = (struct iovec){ bc, bclen }; | |
2276 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); | |
2277 | iovlen = 3; | |
2278 | } | |
886d19d6 PE |
2279 | } |
2280 | ||
2281 | msg = (struct msghdr) { | |
acd1e437 | 2282 | .msg_name = (void *)&nladdr, |
886d19d6 PE |
2283 | .msg_namelen = sizeof(nladdr), |
2284 | .msg_iov = iov, | |
376fb868 | 2285 | .msg_iovlen = iovlen, |
886d19d6 PE |
2286 | }; |
2287 | ||
2288 | if (sendmsg(fd, &msg, 0) < 0) { | |
2289 | close(fd); | |
2290 | return -1; | |
2291 | } | |
2292 | ||
2293 | return 0; | |
2294 | } | |
2295 | ||
486ccd99 VK |
2296 | struct inet_diag_arg { |
2297 | struct filter *f; | |
2298 | int protocol; | |
fb2594c1 | 2299 | struct rtnl_handle *rth; |
486ccd99 | 2300 | }; |
aba5acdf | 2301 | |
b38e7409 | 2302 | static int kill_inet_sock(struct nlmsghdr *h, void *arg) |
fb2594c1 LC |
2303 | { |
2304 | struct inet_diag_msg *d = NLMSG_DATA(h); | |
2305 | struct inet_diag_arg *diag_arg = arg; | |
2306 | struct rtnl_handle *rth = diag_arg->rth; | |
acd1e437 | 2307 | |
fb2594c1 LC |
2308 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
2309 | ||
2310 | req.nlh.nlmsg_type = SOCK_DESTROY; | |
2311 | req.nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; | |
2312 | req.nlh.nlmsg_seq = ++rth->seq; | |
2313 | req.r.sdiag_family = d->idiag_family; | |
2314 | req.r.sdiag_protocol = diag_arg->protocol; | |
2315 | req.r.id = d->id; | |
2316 | ||
2317 | return rtnl_talk(rth, &req.nlh, NULL, 0); | |
2318 | } | |
2319 | ||
486ccd99 VK |
2320 | static int show_one_inet_sock(const struct sockaddr_nl *addr, |
2321 | struct nlmsghdr *h, void *arg) | |
2322 | { | |
2323 | int err; | |
2324 | struct inet_diag_arg *diag_arg = arg; | |
2325 | struct inet_diag_msg *r = NLMSG_DATA(h); | |
82d73ea0 | 2326 | struct sockstat s = {}; |
aba5acdf | 2327 | |
486ccd99 VK |
2328 | if (!(diag_arg->f->families & (1 << r->idiag_family))) |
2329 | return 0; | |
82d73ea0 DA |
2330 | |
2331 | parse_diag_msg(h, &s); | |
2332 | ||
2333 | if (diag_arg->f->f && run_ssfilter(diag_arg->f->f, &s) == 0) | |
2334 | return 0; | |
2335 | ||
b38e7409 | 2336 | if (diag_arg->f->kill && kill_inet_sock(h, arg) != 0) { |
fb2594c1 LC |
2337 | if (errno == EOPNOTSUPP || errno == ENOENT) { |
2338 | /* Socket can't be closed, or is already closed. */ | |
2339 | return 0; | |
2340 | } else { | |
2341 | perror("SOCK_DESTROY answers"); | |
2342 | return -1; | |
2343 | } | |
2344 | } | |
82d73ea0 DA |
2345 | |
2346 | err = inet_show_sock(h, &s, diag_arg->protocol); | |
2347 | if (err < 0) | |
486ccd99 | 2348 | return err; |
aba5acdf | 2349 | |
486ccd99 VK |
2350 | return 0; |
2351 | } | |
886d19d6 | 2352 | |
486ccd99 VK |
2353 | static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol) |
2354 | { | |
2355 | int err = 0; | |
fb2594c1 | 2356 | struct rtnl_handle rth, rth2; |
486ccd99 VK |
2357 | int family = PF_INET; |
2358 | struct inet_diag_arg arg = { .f = f, .protocol = protocol }; | |
886d19d6 | 2359 | |
486ccd99 VK |
2360 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
2361 | return -1; | |
fb2594c1 LC |
2362 | |
2363 | if (f->kill) { | |
2364 | if (rtnl_open_byproto(&rth2, 0, NETLINK_SOCK_DIAG)) { | |
2365 | rtnl_close(&rth); | |
2366 | return -1; | |
2367 | } | |
2368 | arg.rth = &rth2; | |
2369 | } | |
2370 | ||
486ccd99 VK |
2371 | rth.dump = MAGIC_SEQ; |
2372 | rth.dump_fp = dump_fp; | |
518af1e0 ED |
2373 | if (preferred_family == PF_INET6) |
2374 | family = PF_INET6; | |
886d19d6 | 2375 | |
486ccd99 VK |
2376 | again: |
2377 | if ((err = sockdiag_send(family, rth.fd, protocol, f))) | |
2378 | goto Exit; | |
aba5acdf | 2379 | |
486ccd99 VK |
2380 | if ((err = rtnl_dump_filter(&rth, show_one_inet_sock, &arg))) { |
2381 | if (family != PF_UNSPEC) { | |
2382 | family = PF_UNSPEC; | |
2383 | goto again; | |
aba5acdf | 2384 | } |
486ccd99 | 2385 | goto Exit; |
aba5acdf | 2386 | } |
518af1e0 | 2387 | if (family == PF_INET && preferred_family != PF_INET) { |
886d19d6 PE |
2388 | family = PF_INET6; |
2389 | goto again; | |
2390 | } | |
2391 | ||
486ccd99 VK |
2392 | Exit: |
2393 | rtnl_close(&rth); | |
fb2594c1 LC |
2394 | if (arg.rth) |
2395 | rtnl_close(arg.rth); | |
486ccd99 | 2396 | return err; |
aba5acdf SH |
2397 | } |
2398 | ||
ab01dbbb | 2399 | static int tcp_show_netlink_file(struct filter *f) |
aba5acdf SH |
2400 | { |
2401 | FILE *fp; | |
e557212e | 2402 | char buf[16384]; |
aba5acdf SH |
2403 | |
2404 | if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) { | |
2405 | perror("fopen($TCPDIAG_FILE)"); | |
2406 | return -1; | |
2407 | } | |
2408 | ||
2409 | while (1) { | |
2410 | int status, err; | |
acd1e437 | 2411 | struct nlmsghdr *h = (struct nlmsghdr *)buf; |
82d73ea0 | 2412 | struct sockstat s = {}; |
aba5acdf SH |
2413 | |
2414 | status = fread(buf, 1, sizeof(*h), fp); | |
2415 | if (status < 0) { | |
2416 | perror("Reading header from $TCPDIAG_FILE"); | |
2417 | return -1; | |
2418 | } | |
2419 | if (status != sizeof(*h)) { | |
2420 | perror("Unexpected EOF reading $TCPDIAG_FILE"); | |
2421 | return -1; | |
2422 | } | |
2423 | ||
2424 | status = fread(h+1, 1, NLMSG_ALIGN(h->nlmsg_len-sizeof(*h)), fp); | |
2425 | ||
2426 | if (status < 0) { | |
2427 | perror("Reading $TCPDIAG_FILE"); | |
2428 | return -1; | |
2429 | } | |
2430 | if (status + sizeof(*h) < h->nlmsg_len) { | |
2431 | perror("Unexpected EOF reading $TCPDIAG_FILE"); | |
2432 | return -1; | |
2433 | } | |
2434 | ||
2435 | /* The only legal exit point */ | |
2436 | if (h->nlmsg_type == NLMSG_DONE) | |
2437 | return 0; | |
2438 | ||
2439 | if (h->nlmsg_type == NLMSG_ERROR) { | |
acd1e437 SH |
2440 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h); |
2441 | ||
aba5acdf SH |
2442 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
2443 | fprintf(stderr, "ERROR truncated\n"); | |
2444 | } else { | |
2445 | errno = -err->error; | |
2446 | perror("TCPDIAG answered"); | |
2447 | } | |
2448 | return -1; | |
2449 | } | |
2450 | ||
82d73ea0 DA |
2451 | parse_diag_msg(h, &s); |
2452 | ||
2453 | if (f && f->f && run_ssfilter(f->f, &s) == 0) | |
2454 | continue; | |
2455 | ||
2456 | err = inet_show_sock(h, &s, IPPROTO_TCP); | |
aba5acdf SH |
2457 | if (err < 0) |
2458 | return err; | |
2459 | } | |
2460 | } | |
2461 | ||
ab01dbbb | 2462 | static int tcp_show(struct filter *f, int socktype) |
aba5acdf | 2463 | { |
ab01dbbb | 2464 | FILE *fp = NULL; |
aba5acdf SH |
2465 | char *buf = NULL; |
2466 | int bufsize = 64*1024; | |
2467 | ||
1527a17e VK |
2468 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
2469 | return 0; | |
2470 | ||
aba5acdf SH |
2471 | dg_proto = TCP_PROTO; |
2472 | ||
2473 | if (getenv("TCPDIAG_FILE")) | |
2474 | return tcp_show_netlink_file(f); | |
2475 | ||
2476 | if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT") | |
3fe5b534 | 2477 | && inet_show_netlink(f, NULL, socktype) == 0) |
aba5acdf SH |
2478 | return 0; |
2479 | ||
2480 | /* Sigh... We have to parse /proc/net/tcp... */ | |
2481 | ||
ab01dbbb | 2482 | |
aba5acdf SH |
2483 | /* Estimate amount of sockets and try to allocate |
2484 | * huge buffer to read all the table at one read. | |
2485 | * Limit it by 16MB though. The assumption is: as soon as | |
2486 | * kernel was able to hold information about N connections, | |
2487 | * it is able to give us some memory for snapshot. | |
2488 | */ | |
2489 | if (1) { | |
a221d621 BL |
2490 | get_slabstat(&slabstat); |
2491 | ||
aba5acdf | 2492 | int guess = slabstat.socks+slabstat.tcp_syns; |
acd1e437 | 2493 | |
aba5acdf SH |
2494 | if (f->states&(1<<SS_TIME_WAIT)) |
2495 | guess += slabstat.tcp_tws; | |
2496 | if (guess > (16*1024*1024)/128) | |
2497 | guess = (16*1024*1024)/128; | |
2498 | guess *= 128; | |
2499 | if (guess > bufsize) | |
2500 | bufsize = guess; | |
2501 | } | |
2502 | while (bufsize >= 64*1024) { | |
2503 | if ((buf = malloc(bufsize)) != NULL) | |
2504 | break; | |
2505 | bufsize /= 2; | |
2506 | } | |
2507 | if (buf == NULL) { | |
2508 | errno = ENOMEM; | |
2509 | return -1; | |
2510 | } | |
2511 | ||
2512 | if (f->families & (1<<AF_INET)) { | |
69cae645 | 2513 | if ((fp = net_tcp_open()) == NULL) |
aba5acdf | 2514 | goto outerr; |
ab01dbbb SH |
2515 | |
2516 | setbuffer(fp, buf, bufsize); | |
2517 | if (generic_record_read(fp, tcp_show_line, f, AF_INET)) | |
aba5acdf | 2518 | goto outerr; |
ab01dbbb | 2519 | fclose(fp); |
aba5acdf SH |
2520 | } |
2521 | ||
2522 | if ((f->families & (1<<AF_INET6)) && | |
69cae645 | 2523 | (fp = net_tcp6_open()) != NULL) { |
ab01dbbb SH |
2524 | setbuffer(fp, buf, bufsize); |
2525 | if (generic_record_read(fp, tcp_show_line, f, AF_INET6)) | |
aba5acdf | 2526 | goto outerr; |
ab01dbbb | 2527 | fclose(fp); |
aba5acdf SH |
2528 | } |
2529 | ||
2530 | free(buf); | |
2531 | return 0; | |
2532 | ||
2533 | outerr: | |
2534 | do { | |
2535 | int saved_errno = errno; | |
acd1e437 | 2536 | |
92de1c2c | 2537 | free(buf); |
ab01dbbb SH |
2538 | if (fp) |
2539 | fclose(fp); | |
aba5acdf SH |
2540 | errno = saved_errno; |
2541 | return -1; | |
2542 | } while (0); | |
2543 | } | |
2544 | ||
2545 | ||
d1f28cf1 | 2546 | static int dgram_show_line(char *line, const struct filter *f, int family) |
aba5acdf | 2547 | { |
055840f2 | 2548 | struct sockstat s = {}; |
aba5acdf SH |
2549 | char *loc, *rem, *data; |
2550 | char opt[256]; | |
2551 | int n; | |
aba5acdf | 2552 | |
8250bc9f | 2553 | if (proc_inet_split_line(line, &loc, &rem, &data)) |
aba5acdf | 2554 | return -1; |
aba5acdf | 2555 | |
8250bc9f | 2556 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); |
acd1e437 | 2557 | |
8250bc9f VK |
2558 | if (!(f->states & (1 << state))) |
2559 | return 0; | |
aba5acdf | 2560 | |
8250bc9f | 2561 | proc_parse_inet_addr(loc, rem, family, &s); |
aba5acdf SH |
2562 | |
2563 | if (f->f && run_ssfilter(f->f, &s) == 0) | |
2564 | return 0; | |
2565 | ||
2566 | opt[0] = 0; | |
e7113c61 | 2567 | n = sscanf(data, "%x %x:%x %*x:%*x %*x %d %*d %u %d %llx %[^\n]\n", |
aba5acdf SH |
2568 | &s.state, &s.wq, &s.rq, |
2569 | &s.uid, &s.ino, | |
2570 | &s.refcnt, &s.sk, opt); | |
2571 | ||
2572 | if (n < 9) | |
2573 | opt[0] = 0; | |
2574 | ||
235c4453 | 2575 | inet_stats_print(&s, dg_proto == UDP_PROTO ? IPPROTO_UDP : 0); |
aba5acdf | 2576 | |
f1b39e1b VK |
2577 | if (show_details && opt[0]) |
2578 | printf(" opt:\"%s\"", opt); | |
aba5acdf | 2579 | |
8250bc9f | 2580 | printf("\n"); |
aba5acdf SH |
2581 | return 0; |
2582 | } | |
2583 | ||
d1f28cf1 | 2584 | static int udp_show(struct filter *f) |
aba5acdf | 2585 | { |
ab01dbbb | 2586 | FILE *fp = NULL; |
aba5acdf | 2587 | |
1527a17e VK |
2588 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
2589 | return 0; | |
2590 | ||
ace5cb31 VK |
2591 | dg_proto = UDP_PROTO; |
2592 | ||
346f8ca8 PE |
2593 | if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT") |
2594 | && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0) | |
2595 | return 0; | |
2596 | ||
aba5acdf | 2597 | if (f->families&(1<<AF_INET)) { |
69cae645 | 2598 | if ((fp = net_udp_open()) == NULL) |
aba5acdf | 2599 | goto outerr; |
ab01dbbb | 2600 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
aba5acdf | 2601 | goto outerr; |
ab01dbbb | 2602 | fclose(fp); |
aba5acdf SH |
2603 | } |
2604 | ||
2605 | if ((f->families&(1<<AF_INET6)) && | |
69cae645 | 2606 | (fp = net_udp6_open()) != NULL) { |
ab01dbbb | 2607 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
aba5acdf | 2608 | goto outerr; |
ab01dbbb | 2609 | fclose(fp); |
aba5acdf SH |
2610 | } |
2611 | return 0; | |
2612 | ||
2613 | outerr: | |
2614 | do { | |
2615 | int saved_errno = errno; | |
acd1e437 | 2616 | |
ab01dbbb SH |
2617 | if (fp) |
2618 | fclose(fp); | |
aba5acdf SH |
2619 | errno = saved_errno; |
2620 | return -1; | |
2621 | } while (0); | |
2622 | } | |
2623 | ||
d1f28cf1 | 2624 | static int raw_show(struct filter *f) |
aba5acdf | 2625 | { |
ab01dbbb | 2626 | FILE *fp = NULL; |
aba5acdf | 2627 | |
1527a17e VK |
2628 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
2629 | return 0; | |
2630 | ||
aba5acdf SH |
2631 | dg_proto = RAW_PROTO; |
2632 | ||
2633 | if (f->families&(1<<AF_INET)) { | |
69cae645 | 2634 | if ((fp = net_raw_open()) == NULL) |
aba5acdf | 2635 | goto outerr; |
ab01dbbb | 2636 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
aba5acdf | 2637 | goto outerr; |
ab01dbbb | 2638 | fclose(fp); |
aba5acdf SH |
2639 | } |
2640 | ||
2641 | if ((f->families&(1<<AF_INET6)) && | |
69cae645 | 2642 | (fp = net_raw6_open()) != NULL) { |
ab01dbbb | 2643 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
aba5acdf | 2644 | goto outerr; |
ab01dbbb | 2645 | fclose(fp); |
aba5acdf SH |
2646 | } |
2647 | return 0; | |
2648 | ||
2649 | outerr: | |
2650 | do { | |
2651 | int saved_errno = errno; | |
acd1e437 | 2652 | |
ab01dbbb SH |
2653 | if (fp) |
2654 | fclose(fp); | |
aba5acdf SH |
2655 | errno = saved_errno; |
2656 | return -1; | |
2657 | } while (0); | |
2658 | } | |
2659 | ||
aba5acdf SH |
2660 | int unix_state_map[] = { SS_CLOSE, SS_SYN_SENT, |
2661 | SS_ESTABLISHED, SS_CLOSING }; | |
2662 | ||
ec4d0d8a | 2663 | #define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct sockstat)) |
aba5acdf | 2664 | |
ec4d0d8a | 2665 | static void unix_list_free(struct sockstat *list) |
aba5acdf SH |
2666 | { |
2667 | while (list) { | |
ec4d0d8a | 2668 | struct sockstat *s = list; |
ec4d0d8a | 2669 | |
aba5acdf | 2670 | list = list->next; |
99bb68ff | 2671 | free(s->name); |
aba5acdf SH |
2672 | free(s); |
2673 | } | |
2674 | } | |
2675 | ||
30b669d7 MY |
2676 | static const char *unix_netid_name(int type) |
2677 | { | |
2678 | const char *netid; | |
2679 | ||
2680 | switch (type) { | |
2681 | case SOCK_STREAM: | |
2682 | netid = "u_str"; | |
2683 | break; | |
2684 | case SOCK_SEQPACKET: | |
2685 | netid = "u_seq"; | |
2686 | break; | |
2687 | case SOCK_DGRAM: | |
2688 | default: | |
2689 | netid = "u_dgr"; | |
2690 | break; | |
2691 | } | |
2692 | return netid; | |
2693 | } | |
2694 | ||
ec4d0d8a | 2695 | static bool unix_type_skip(struct sockstat *s, struct filter *f) |
bf4ceee6 VK |
2696 | { |
2697 | if (s->type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB))) | |
2698 | return true; | |
2699 | if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB))) | |
2700 | return true; | |
2701 | if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB))) | |
2702 | return true; | |
2703 | return false; | |
2704 | } | |
2705 | ||
ec4d0d8a VK |
2706 | static bool unix_use_proc(void) |
2707 | { | |
2708 | return getenv("PROC_NET_UNIX") || getenv("PROC_ROOT"); | |
2709 | } | |
2710 | ||
2711 | static void unix_stats_print(struct sockstat *list, struct filter *f) | |
aba5acdf | 2712 | { |
ec4d0d8a | 2713 | struct sockstat *s; |
99bb68ff | 2714 | char *peer; |
b217df10 | 2715 | char *ctx_buf = NULL; |
ec4d0d8a | 2716 | bool use_proc = unix_use_proc(); |
b217df10 | 2717 | char port_name[30] = {}; |
aba5acdf SH |
2718 | |
2719 | for (s = list; s; s = s->next) { | |
ec4d0d8a | 2720 | if (!(f->states & (1 << s->state))) |
aba5acdf | 2721 | continue; |
bf4ceee6 | 2722 | if (unix_type_skip(s, f)) |
30b669d7 | 2723 | continue; |
aba5acdf | 2724 | |
99bb68ff VK |
2725 | peer = "*"; |
2726 | if (s->peer_name) | |
2727 | peer = s->peer_name; | |
ec4d0d8a VK |
2728 | |
2729 | if (s->rport && use_proc) { | |
2730 | struct sockstat *p; | |
bf4ceee6 | 2731 | |
aba5acdf | 2732 | for (p = list; p; p = p->next) { |
ec4d0d8a | 2733 | if (s->rport == p->lport) |
aba5acdf SH |
2734 | break; |
2735 | } | |
ec4d0d8a | 2736 | |
aba5acdf SH |
2737 | if (!p) { |
2738 | peer = "?"; | |
2739 | } else { | |
99bb68ff | 2740 | peer = p->name ? : "*"; |
aba5acdf SH |
2741 | } |
2742 | } | |
2743 | ||
29999b0f | 2744 | if (use_proc && f->f) { |
d17b136f PS |
2745 | struct sockstat st = { |
2746 | .local.family = AF_UNIX, | |
2747 | .remote.family = AF_UNIX, | |
2748 | }; | |
acd1e437 | 2749 | |
99bb68ff | 2750 | memcpy(st.local.data, &s->name, sizeof(s->name)); |
d17b136f | 2751 | if (strcmp(peer, "*")) |
99bb68ff VK |
2752 | memcpy(st.remote.data, &peer, sizeof(peer)); |
2753 | if (run_ssfilter(f->f, &st) == 0) | |
aba5acdf SH |
2754 | continue; |
2755 | } | |
2756 | ||
2d791bc8 VK |
2757 | sock_state_print(s, unix_netid_name(s->type)); |
2758 | ||
99bb68ff | 2759 | sock_addr_print(s->name ?: "*", " ", |
b217df10 VK |
2760 | int_to_str(s->lport, port_name), NULL); |
2761 | sock_addr_print(peer, " ", int_to_str(s->rport, port_name), | |
2762 | NULL); | |
116ac927 RH |
2763 | |
2764 | if (show_proc_ctx || show_sock_ctx) { | |
b217df10 | 2765 | if (find_entry(s->ino, &ctx_buf, |
116ac927 RH |
2766 | (show_proc_ctx & show_sock_ctx) ? |
2767 | PROC_SOCK_CTX : PROC_CTX) > 0) { | |
b217df10 VK |
2768 | printf(" users:(%s)", ctx_buf); |
2769 | free(ctx_buf); | |
116ac927 RH |
2770 | } |
2771 | } else if (show_users) { | |
b217df10 VK |
2772 | if (find_entry(s->ino, &ctx_buf, USERS) > 0) { |
2773 | printf(" users:(%s)", ctx_buf); | |
2774 | free(ctx_buf); | |
116ac927 | 2775 | } |
aba5acdf SH |
2776 | } |
2777 | printf("\n"); | |
2778 | } | |
2779 | } | |
2780 | ||
8a4025f6 | 2781 | static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh, |
2782 | void *arg) | |
dfbaa90d | 2783 | { |
8a4025f6 | 2784 | struct filter *f = (struct filter *)arg; |
dfbaa90d PE |
2785 | struct unix_diag_msg *r = NLMSG_DATA(nlh); |
2786 | struct rtattr *tb[UNIX_DIAG_MAX+1]; | |
99bb68ff VK |
2787 | char name[128]; |
2788 | struct sockstat stat = { .name = "*", .peer_name = "*" }; | |
dfbaa90d | 2789 | |
acd1e437 | 2790 | parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr *)(r+1), |
dfbaa90d PE |
2791 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
2792 | ||
bf4ceee6 VK |
2793 | stat.type = r->udiag_type; |
2794 | stat.state = r->udiag_state; | |
ec4d0d8a VK |
2795 | stat.ino = stat.lport = r->udiag_ino; |
2796 | stat.local.family = stat.remote.family = AF_UNIX; | |
0d2e01c5 | 2797 | |
bf4ceee6 VK |
2798 | if (unix_type_skip(&stat, f)) |
2799 | return 0; | |
dfbaa90d | 2800 | |
defd61ca HFS |
2801 | if (tb[UNIX_DIAG_RQLEN]) { |
2802 | struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]); | |
acd1e437 | 2803 | |
bf4ceee6 VK |
2804 | stat.rq = rql->udiag_rqueue; |
2805 | stat.wq = rql->udiag_wqueue; | |
defd61ca | 2806 | } |
dfbaa90d PE |
2807 | if (tb[UNIX_DIAG_NAME]) { |
2808 | int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]); | |
2809 | ||
2810 | memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len); | |
2811 | name[len] = '\0'; | |
2812 | if (name[0] == '\0') | |
2813 | name[0] = '@'; | |
99bb68ff VK |
2814 | stat.name = &name[0]; |
2815 | memcpy(stat.local.data, &stat.name, sizeof(stat.name)); | |
bf4ceee6 | 2816 | } |
dfbaa90d | 2817 | if (tb[UNIX_DIAG_PEER]) |
ec4d0d8a | 2818 | stat.rport = rta_getattr_u32(tb[UNIX_DIAG_PEER]); |
dfbaa90d | 2819 | |
29999b0f VK |
2820 | if (f->f && run_ssfilter(f->f, &stat) == 0) |
2821 | return 0; | |
2822 | ||
bf4ceee6 | 2823 | unix_stats_print(&stat, f); |
dfbaa90d | 2824 | |
51ff9f24 | 2825 | if (show_mem) { |
bf4ceee6 | 2826 | printf("\t"); |
51ff9f24 HFS |
2827 | print_skmeminfo(tb, UNIX_DIAG_MEMINFO); |
2828 | } | |
5b816047 PE |
2829 | if (show_details) { |
2830 | if (tb[UNIX_DIAG_SHUTDOWN]) { | |
2831 | unsigned char mask; | |
acd1e437 | 2832 | |
5b816047 PE |
2833 | mask = *(__u8 *)RTA_DATA(tb[UNIX_DIAG_SHUTDOWN]); |
2834 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); | |
2835 | } | |
2836 | } | |
bf4ceee6 VK |
2837 | if (show_mem || show_details) |
2838 | printf("\n"); | |
ec4d0d8a | 2839 | |
dfbaa90d PE |
2840 | return 0; |
2841 | } | |
2842 | ||
8a4025f6 | 2843 | static int handle_netlink_request(struct filter *f, struct nlmsghdr *req, |
2844 | size_t size, rtnl_filter_t show_one_sock) | |
dfbaa90d | 2845 | { |
8a4025f6 | 2846 | int ret = -1; |
2847 | struct rtnl_handle rth; | |
dfbaa90d | 2848 | |
8a4025f6 | 2849 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
dfbaa90d PE |
2850 | return -1; |
2851 | ||
8a4025f6 | 2852 | rth.dump = MAGIC_SEQ; |
dfbaa90d | 2853 | |
8a4025f6 | 2854 | if (rtnl_send(&rth, req, size) < 0) |
2855 | goto Exit; | |
dfbaa90d | 2856 | |
8a4025f6 | 2857 | if (rtnl_dump_filter(&rth, show_one_sock, f)) |
2858 | goto Exit; | |
dfbaa90d | 2859 | |
8a4025f6 | 2860 | ret = 0; |
2861 | Exit: | |
2862 | rtnl_close(&rth); | |
2863 | return ret; | |
dfbaa90d PE |
2864 | } |
2865 | ||
8a4025f6 | 2866 | static int unix_show_netlink(struct filter *f) |
d8402b96 | 2867 | { |
5fb421d4 | 2868 | DIAG_REQUEST(req, struct unix_diag_req r); |
d8402b96 AV |
2869 | |
2870 | req.r.sdiag_family = AF_UNIX; | |
2871 | req.r.udiag_states = f->states; | |
2872 | req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN; | |
2873 | if (show_mem) | |
2874 | req.r.udiag_show |= UDIAG_SHOW_MEMINFO; | |
2875 | ||
8a4025f6 | 2876 | return handle_netlink_request(f, &req.nlh, sizeof(req), unix_show_sock); |
d8402b96 AV |
2877 | } |
2878 | ||
d1f28cf1 | 2879 | static int unix_show(struct filter *f) |
aba5acdf SH |
2880 | { |
2881 | FILE *fp; | |
2882 | char buf[256]; | |
2883 | char name[128]; | |
2884 | int newformat = 0; | |
2885 | int cnt; | |
ec4d0d8a | 2886 | struct sockstat *list = NULL; |
aba5acdf | 2887 | |
9db7bf15 VK |
2888 | if (!filter_af_get(f, AF_UNIX)) |
2889 | return 0; | |
2890 | ||
ec4d0d8a | 2891 | if (!unix_use_proc() && unix_show_netlink(f) == 0) |
dfbaa90d PE |
2892 | return 0; |
2893 | ||
ab01dbbb | 2894 | if ((fp = net_unix_open()) == NULL) |
aba5acdf | 2895 | return -1; |
61170fd8 | 2896 | if (!fgets(buf, sizeof(buf), fp)) { |
d572ed4d PS |
2897 | fclose(fp); |
2898 | return -1; | |
2899 | } | |
aba5acdf | 2900 | |
ae665a52 | 2901 | if (memcmp(buf, "Peer", 4) == 0) |
aba5acdf SH |
2902 | newformat = 1; |
2903 | cnt = 0; | |
2904 | ||
61170fd8 | 2905 | while (fgets(buf, sizeof(buf), fp)) { |
ec4d0d8a | 2906 | struct sockstat *u, **insp; |
aba5acdf SH |
2907 | int flags; |
2908 | ||
0ee9052f | 2909 | if (!(u = calloc(1, sizeof(*u)))) |
aba5acdf | 2910 | break; |
99bb68ff VK |
2911 | u->name = NULL; |
2912 | u->peer_name = NULL; | |
aba5acdf SH |
2913 | |
2914 | if (sscanf(buf, "%x: %x %x %x %x %x %d %s", | |
ec4d0d8a | 2915 | &u->rport, &u->rq, &u->wq, &flags, &u->type, |
aba5acdf SH |
2916 | &u->state, &u->ino, name) < 8) |
2917 | name[0] = 0; | |
2918 | ||
ec4d0d8a VK |
2919 | u->lport = u->ino; |
2920 | u->local.family = u->remote.family = AF_UNIX; | |
2921 | ||
2922 | if (flags & (1 << 16)) { | |
aba5acdf SH |
2923 | u->state = SS_LISTEN; |
2924 | } else { | |
2925 | u->state = unix_state_map[u->state-1]; | |
ec4d0d8a | 2926 | if (u->type == SOCK_DGRAM && u->state == SS_CLOSE && u->rport) |
aba5acdf SH |
2927 | u->state = SS_ESTABLISHED; |
2928 | } | |
2929 | ||
2930 | if (!newformat) { | |
ec4d0d8a | 2931 | u->rport = 0; |
aba5acdf SH |
2932 | u->rq = 0; |
2933 | u->wq = 0; | |
2934 | } | |
2935 | ||
2936 | insp = &list; | |
2937 | while (*insp) { | |
2938 | if (u->type < (*insp)->type || | |
2939 | (u->type == (*insp)->type && | |
2940 | u->ino < (*insp)->ino)) | |
2941 | break; | |
2942 | insp = &(*insp)->next; | |
2943 | } | |
2944 | u->next = *insp; | |
2945 | *insp = u; | |
2946 | ||
2947 | if (name[0]) { | |
99bb68ff VK |
2948 | if ((u->name = malloc(strlen(name)+1)) == NULL) |
2949 | break; | |
2950 | strcpy(u->name, name); | |
aba5acdf SH |
2951 | } |
2952 | if (++cnt > MAX_UNIX_REMEMBER) { | |
bf4ceee6 | 2953 | unix_stats_print(list, f); |
aba5acdf SH |
2954 | unix_list_free(list); |
2955 | list = NULL; | |
2956 | cnt = 0; | |
2957 | } | |
2958 | } | |
a3fd8e58 | 2959 | fclose(fp); |
aba5acdf | 2960 | if (list) { |
bf4ceee6 | 2961 | unix_stats_print(list, f); |
aba5acdf SH |
2962 | unix_list_free(list); |
2963 | list = NULL; | |
2964 | cnt = 0; | |
2965 | } | |
2966 | ||
2967 | return 0; | |
2968 | } | |
2969 | ||
89f634f9 | 2970 | static int packet_stats_print(struct sockstat *s, const struct filter *f) |
4a0053b6 VK |
2971 | { |
2972 | char *buf = NULL; | |
b217df10 VK |
2973 | const char *addr, *port; |
2974 | char ll_name[16]; | |
372c30d2 | 2975 | |
4a0053b6 | 2976 | if (f->f) { |
89f634f9 VK |
2977 | s->local.family = AF_PACKET; |
2978 | s->remote.family = AF_PACKET; | |
89f634f9 | 2979 | s->local.data[0] = s->prot; |
89f634f9 | 2980 | if (run_ssfilter(f->f, s) == 0) |
4a0053b6 VK |
2981 | return 1; |
2982 | } | |
372c30d2 | 2983 | |
2d791bc8 | 2984 | sock_state_print(s, s->type == SOCK_RAW ? "p_raw" : "p_dgr"); |
372c30d2 | 2985 | |
b217df10 VK |
2986 | if (s->prot == 3) |
2987 | addr = "*"; | |
2988 | else | |
2989 | addr = ll_proto_n2a(htons(s->prot), ll_name, sizeof(ll_name)); | |
2990 | ||
2991 | if (s->iface == 0) | |
2992 | port = "*"; | |
2993 | else | |
2994 | port = xll_index_to_name(s->iface); | |
372c30d2 | 2995 | |
b217df10 VK |
2996 | sock_addr_print(addr, ":", port, NULL); |
2997 | sock_addr_print("", "*", "", NULL); | |
116ac927 RH |
2998 | |
2999 | if (show_proc_ctx || show_sock_ctx) { | |
4a0053b6 VK |
3000 | if (find_entry(s->ino, &buf, |
3001 | (show_proc_ctx & show_sock_ctx) ? | |
3002 | PROC_SOCK_CTX : PROC_CTX) > 0) { | |
116ac927 RH |
3003 | printf(" users:(%s)", buf); |
3004 | free(buf); | |
3005 | } | |
3006 | } else if (show_users) { | |
4a0053b6 | 3007 | if (find_entry(s->ino, &buf, USERS) > 0) { |
116ac927 RH |
3008 | printf(" users:(%s)", buf); |
3009 | free(buf); | |
3010 | } | |
372c30d2 | 3011 | } |
116ac927 | 3012 | |
f1b39e1b VK |
3013 | if (show_details) |
3014 | sock_details_print(s); | |
3015 | ||
4a0053b6 VK |
3016 | return 0; |
3017 | } | |
3018 | ||
2631b856 VK |
3019 | static void packet_show_ring(struct packet_diag_ring *ring) |
3020 | { | |
3021 | printf("blk_size:%d", ring->pdr_block_size); | |
3022 | printf(",blk_nr:%d", ring->pdr_block_nr); | |
3023 | printf(",frm_size:%d", ring->pdr_frame_size); | |
3024 | printf(",frm_nr:%d", ring->pdr_frame_nr); | |
3025 | printf(",tmo:%d", ring->pdr_retire_tmo); | |
3026 | printf(",features:0x%x", ring->pdr_features); | |
3027 | } | |
3028 | ||
4a0053b6 VK |
3029 | static int packet_show_sock(const struct sockaddr_nl *addr, |
3030 | struct nlmsghdr *nlh, void *arg) | |
3031 | { | |
3032 | const struct filter *f = arg; | |
3033 | struct packet_diag_msg *r = NLMSG_DATA(nlh); | |
2631b856 VK |
3034 | struct packet_diag_info *pinfo = NULL; |
3035 | struct packet_diag_ring *ring_rx = NULL, *ring_tx = NULL; | |
4a0053b6 | 3036 | struct rtattr *tb[PACKET_DIAG_MAX+1]; |
89f634f9 | 3037 | struct sockstat stat = {}; |
2631b856 VK |
3038 | uint32_t fanout = 0; |
3039 | bool has_fanout = false; | |
4a0053b6 | 3040 | |
acd1e437 | 3041 | parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr *)(r+1), |
4a0053b6 VK |
3042 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3043 | ||
3044 | /* use /proc/net/packet if all info are not available */ | |
3045 | if (!tb[PACKET_DIAG_MEMINFO]) | |
3046 | return -1; | |
3047 | ||
2d791bc8 VK |
3048 | stat.type = r->pdiag_type; |
3049 | stat.prot = r->pdiag_num; | |
3050 | stat.ino = r->pdiag_ino; | |
3051 | stat.state = SS_CLOSE; | |
f1b39e1b | 3052 | stat.sk = cookie_sk_get(&r->pdiag_cookie[0]); |
4a0053b6 VK |
3053 | |
3054 | if (tb[PACKET_DIAG_MEMINFO]) { | |
3055 | __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]); | |
acd1e437 | 3056 | |
4a0053b6 VK |
3057 | stat.rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; |
3058 | } | |
3059 | ||
3060 | if (tb[PACKET_DIAG_INFO]) { | |
2631b856 | 3061 | pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]); |
2d791bc8 | 3062 | stat.lport = stat.iface = pinfo->pdi_index; |
4a0053b6 VK |
3063 | } |
3064 | ||
f1b39e1b VK |
3065 | if (tb[PACKET_DIAG_UID]) |
3066 | stat.uid = *(__u32 *)RTA_DATA(tb[PACKET_DIAG_UID]); | |
3067 | ||
2631b856 VK |
3068 | if (tb[PACKET_DIAG_RX_RING]) |
3069 | ring_rx = RTA_DATA(tb[PACKET_DIAG_RX_RING]); | |
3070 | ||
3071 | if (tb[PACKET_DIAG_TX_RING]) | |
3072 | ring_tx = RTA_DATA(tb[PACKET_DIAG_TX_RING]); | |
3073 | ||
3074 | if (tb[PACKET_DIAG_FANOUT]) { | |
3075 | has_fanout = true; | |
3076 | fanout = *(uint32_t *)RTA_DATA(tb[PACKET_DIAG_FANOUT]); | |
3077 | } | |
3078 | ||
4a0053b6 VK |
3079 | if (packet_stats_print(&stat, f)) |
3080 | return 0; | |
3081 | ||
2631b856 VK |
3082 | if (show_details) { |
3083 | if (pinfo) { | |
3084 | printf("\n\tver:%d", pinfo->pdi_version); | |
3085 | printf(" cpy_thresh:%d", pinfo->pdi_copy_thresh); | |
3086 | printf(" flags( "); | |
3087 | if (pinfo->pdi_flags & PDI_RUNNING) | |
3088 | printf("running"); | |
3089 | if (pinfo->pdi_flags & PDI_AUXDATA) | |
3090 | printf(" auxdata"); | |
3091 | if (pinfo->pdi_flags & PDI_ORIGDEV) | |
3092 | printf(" origdev"); | |
3093 | if (pinfo->pdi_flags & PDI_VNETHDR) | |
3094 | printf(" vnethdr"); | |
3095 | if (pinfo->pdi_flags & PDI_LOSS) | |
3096 | printf(" loss"); | |
3097 | if (!pinfo->pdi_flags) | |
3098 | printf("0"); | |
3099 | printf(" )"); | |
3100 | } | |
3101 | if (ring_rx) { | |
3102 | printf("\n\tring_rx("); | |
3103 | packet_show_ring(ring_rx); | |
3104 | printf(")"); | |
3105 | } | |
3106 | if (ring_tx) { | |
3107 | printf("\n\tring_tx("); | |
3108 | packet_show_ring(ring_tx); | |
3109 | printf(")"); | |
3110 | } | |
3111 | if (has_fanout) { | |
3112 | uint16_t type = (fanout >> 16) & 0xffff; | |
3113 | ||
3114 | printf("\n\tfanout("); | |
3115 | printf("id:%d,", fanout & 0xffff); | |
3116 | printf("type:"); | |
3117 | ||
3118 | if (type == 0) | |
3119 | printf("hash"); | |
3120 | else if (type == 1) | |
3121 | printf("lb"); | |
3122 | else if (type == 2) | |
3123 | printf("cpu"); | |
3124 | else if (type == 3) | |
3125 | printf("roll"); | |
3126 | else if (type == 4) | |
3127 | printf("random"); | |
3128 | else if (type == 5) | |
3129 | printf("qm"); | |
3130 | else | |
3131 | printf("0x%x", type); | |
3132 | ||
3133 | printf(")"); | |
3134 | } | |
3135 | } | |
3136 | ||
372c30d2 ND |
3137 | if (show_bpf && tb[PACKET_DIAG_FILTER]) { |
3138 | struct sock_filter *fil = | |
3139 | RTA_DATA(tb[PACKET_DIAG_FILTER]); | |
3140 | int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) / | |
3141 | sizeof(struct sock_filter); | |
3142 | ||
3143 | printf("\n\tbpf filter (%d): ", num); | |
3144 | while (num) { | |
3145 | printf(" 0x%02x %u %u %u,", | |
3146 | fil->code, fil->jt, fil->jf, fil->k); | |
3147 | num--; | |
3148 | fil++; | |
3149 | } | |
3150 | } | |
3151 | printf("\n"); | |
3152 | return 0; | |
3153 | } | |
3154 | ||
8a4025f6 | 3155 | static int packet_show_netlink(struct filter *f) |
372c30d2 | 3156 | { |
5fb421d4 | 3157 | DIAG_REQUEST(req, struct packet_diag_req r); |
372c30d2 | 3158 | |
372c30d2 | 3159 | req.r.sdiag_family = AF_PACKET; |
2631b856 VK |
3160 | req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO | |
3161 | PACKET_SHOW_FILTER | PACKET_SHOW_RING_CFG | PACKET_SHOW_FANOUT; | |
372c30d2 | 3162 | |
8a4025f6 | 3163 | return handle_netlink_request(f, &req.nlh, sizeof(req), packet_show_sock); |
372c30d2 ND |
3164 | } |
3165 | ||
4a0053b6 VK |
3166 | static int packet_show_line(char *buf, const struct filter *f, int fam) |
3167 | { | |
3168 | unsigned long long sk; | |
89f634f9 | 3169 | struct sockstat stat = {}; |
4a0053b6 VK |
3170 | int type, prot, iface, state, rq, uid, ino; |
3171 | ||
3172 | sscanf(buf, "%llx %*d %d %x %d %d %u %u %u", | |
3173 | &sk, | |
3174 | &type, &prot, &iface, &state, | |
3175 | &rq, &uid, &ino); | |
3176 | ||
3177 | if (stat.type == SOCK_RAW && !(f->dbs&(1<<PACKET_R_DB))) | |
3178 | return 0; | |
3179 | if (stat.type == SOCK_DGRAM && !(f->dbs&(1<<PACKET_DG_DB))) | |
3180 | return 0; | |
3181 | ||
3182 | stat.type = type; | |
3183 | stat.prot = prot; | |
2d791bc8 | 3184 | stat.lport = stat.iface = iface; |
4a0053b6 VK |
3185 | stat.state = state; |
3186 | stat.rq = rq; | |
3187 | stat.uid = uid; | |
3188 | stat.ino = ino; | |
2d791bc8 VK |
3189 | stat.state = SS_CLOSE; |
3190 | ||
4a0053b6 VK |
3191 | if (packet_stats_print(&stat, f)) |
3192 | return 0; | |
3193 | ||
4a0053b6 VK |
3194 | printf("\n"); |
3195 | return 0; | |
3196 | } | |
aba5acdf | 3197 | |
d1f28cf1 | 3198 | static int packet_show(struct filter *f) |
aba5acdf SH |
3199 | { |
3200 | FILE *fp; | |
b95d28c3 | 3201 | int rc = 0; |
3d0b7439 | 3202 | |
9db7bf15 | 3203 | if (!filter_af_get(f, AF_PACKET) || !(f->states & (1 << SS_CLOSE))) |
b9ea445d | 3204 | return 0; |
aba5acdf | 3205 | |
4a0053b6 VK |
3206 | if (!getenv("PROC_NET_PACKET") && !getenv("PROC_ROOT") && |
3207 | packet_show_netlink(f) == 0) | |
372c30d2 ND |
3208 | return 0; |
3209 | ||
ab01dbbb | 3210 | if ((fp = net_packet_open()) == NULL) |
aba5acdf | 3211 | return -1; |
4a0053b6 | 3212 | if (generic_record_read(fp, packet_show_line, f, AF_PACKET)) |
b95d28c3 | 3213 | rc = -1; |
aba5acdf | 3214 | |
b95d28c3 PS |
3215 | fclose(fp); |
3216 | return rc; | |
aba5acdf SH |
3217 | } |
3218 | ||
5f24ec0e | 3219 | static int netlink_show_one(struct filter *f, |
acd1e437 SH |
3220 | int prot, int pid, unsigned int groups, |
3221 | int state, int dst_pid, unsigned int dst_group, | |
129709ae AV |
3222 | int rq, int wq, |
3223 | unsigned long long sk, unsigned long long cb) | |
3224 | { | |
2d791bc8 | 3225 | struct sockstat st; |
acd1e437 | 3226 | |
b217df10 VK |
3227 | SPRINT_BUF(prot_buf) = {}; |
3228 | const char *prot_name; | |
3229 | char procname[64] = {}; | |
eef43b50 | 3230 | |
2d791bc8 VK |
3231 | st.state = SS_CLOSE; |
3232 | st.rq = rq; | |
3233 | st.wq = wq; | |
3234 | ||
129709ae | 3235 | if (f->f) { |
055840f2 VK |
3236 | st.local.family = AF_NETLINK; |
3237 | st.remote.family = AF_NETLINK; | |
3238 | st.rport = -1; | |
3239 | st.lport = pid; | |
3240 | st.local.data[0] = prot; | |
055840f2 | 3241 | if (run_ssfilter(f->f, &st) == 0) |
5f24ec0e | 3242 | return 1; |
129709ae AV |
3243 | } |
3244 | ||
2d791bc8 | 3245 | sock_state_print(&st, "nl"); |
eef43b50 | 3246 | |
b217df10 VK |
3247 | if (resolve_services) |
3248 | prot_name = nl_proto_n2a(prot, prot_buf, sizeof(prot_buf)); | |
3249 | else | |
3250 | prot_name = int_to_str(prot, prot_buf); | |
eef43b50 | 3251 | |
129709ae | 3252 | if (pid == -1) { |
b217df10 | 3253 | procname[0] = '*'; |
129709ae AV |
3254 | } else if (resolve_services) { |
3255 | int done = 0; | |
acd1e437 | 3256 | |
129709ae AV |
3257 | if (!pid) { |
3258 | done = 1; | |
b217df10 | 3259 | strncpy(procname, "kernel", 6); |
129709ae | 3260 | } else if (pid > 0) { |
129709ae | 3261 | FILE *fp; |
acd1e437 | 3262 | |
0ee9052f | 3263 | snprintf(procname, sizeof(procname), "%s/%d/stat", |
129709ae AV |
3264 | getenv("PROC_ROOT") ? : "/proc", pid); |
3265 | if ((fp = fopen(procname, "r")) != NULL) { | |
3266 | if (fscanf(fp, "%*d (%[^)])", procname) == 1) { | |
0ee9052f | 3267 | snprintf(procname+strlen(procname), |
3268 | sizeof(procname)-strlen(procname), | |
3269 | "/%d", pid); | |
129709ae AV |
3270 | done = 1; |
3271 | } | |
3272 | fclose(fp); | |
3273 | } | |
3274 | } | |
3275 | if (!done) | |
b217df10 | 3276 | int_to_str(pid, procname); |
129709ae | 3277 | } else { |
b217df10 | 3278 | int_to_str(pid, procname); |
129709ae | 3279 | } |
f271fe01 | 3280 | |
b217df10 VK |
3281 | sock_addr_print(prot_name, ":", procname, NULL); |
3282 | ||
f271fe01 | 3283 | if (state == NETLINK_CONNECTED) { |
b217df10 VK |
3284 | char dst_group_buf[30]; |
3285 | char dst_pid_buf[30]; | |
acd1e437 | 3286 | |
b217df10 VK |
3287 | sock_addr_print(int_to_str(dst_group, dst_group_buf), ":", |
3288 | int_to_str(dst_pid, dst_pid_buf), NULL); | |
f271fe01 | 3289 | } else { |
b217df10 | 3290 | sock_addr_print("", "*", "", NULL); |
f271fe01 | 3291 | } |
129709ae | 3292 | |
116ac927 | 3293 | char *pid_context = NULL; |
acd1e437 | 3294 | |
116ac927 RH |
3295 | if (show_proc_ctx) { |
3296 | /* The pid value will either be: | |
3297 | * 0 if destination kernel - show kernel initial context. | |
3298 | * A valid process pid - use getpidcon. | |
3299 | * A unique value allocated by the kernel or netlink user | |
3300 | * to the process - show context as "not available". | |
3301 | */ | |
3302 | if (!pid) | |
3303 | security_get_initial_context("kernel", &pid_context); | |
3304 | else if (pid > 0) | |
3305 | getpidcon(pid, &pid_context); | |
3306 | ||
3307 | if (pid_context != NULL) { | |
3308 | printf("proc_ctx=%-*s ", serv_width, pid_context); | |
3309 | free(pid_context); | |
3310 | } else { | |
3311 | printf("proc_ctx=%-*s ", serv_width, "unavailable"); | |
3312 | } | |
3313 | } | |
3314 | ||
129709ae AV |
3315 | if (show_details) { |
3316 | printf(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups); | |
3317 | } | |
3318 | printf("\n"); | |
3319 | ||
5f24ec0e | 3320 | return 0; |
129709ae AV |
3321 | } |
3322 | ||
8a4025f6 | 3323 | static int netlink_show_sock(const struct sockaddr_nl *addr, |
3324 | struct nlmsghdr *nlh, void *arg) | |
ecb928c8 | 3325 | { |
8a4025f6 | 3326 | struct filter *f = (struct filter *)arg; |
ecb928c8 AV |
3327 | struct netlink_diag_msg *r = NLMSG_DATA(nlh); |
3328 | struct rtattr *tb[NETLINK_DIAG_MAX+1]; | |
3329 | int rq = 0, wq = 0; | |
3330 | unsigned long groups = 0; | |
3331 | ||
acd1e437 | 3332 | parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr *)(r+1), |
ecb928c8 AV |
3333 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3334 | ||
3335 | if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS])) | |
3336 | groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]); | |
3337 | ||
3338 | if (tb[NETLINK_DIAG_MEMINFO]) { | |
3339 | const __u32 *skmeminfo; | |
acd1e437 | 3340 | |
ecb928c8 AV |
3341 | skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]); |
3342 | ||
3343 | rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; | |
3344 | wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC]; | |
3345 | } | |
3346 | ||
5f24ec0e | 3347 | if (netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups, |
ecb928c8 | 3348 | r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group, |
5f24ec0e VK |
3349 | rq, wq, 0, 0)) { |
3350 | return 0; | |
3351 | } | |
ecb928c8 AV |
3352 | |
3353 | if (show_mem) { | |
3354 | printf("\t"); | |
3355 | print_skmeminfo(tb, NETLINK_DIAG_MEMINFO); | |
3356 | printf("\n"); | |
3357 | } | |
3358 | ||
3359 | return 0; | |
3360 | } | |
3361 | ||
8a4025f6 | 3362 | static int netlink_show_netlink(struct filter *f) |
ecb928c8 | 3363 | { |
5fb421d4 | 3364 | DIAG_REQUEST(req, struct netlink_diag_req r); |
ecb928c8 AV |
3365 | |
3366 | req.r.sdiag_family = AF_NETLINK; | |
3367 | req.r.sdiag_protocol = NDIAG_PROTO_ALL; | |
3368 | req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO; | |
3369 | ||
8a4025f6 | 3370 | return handle_netlink_request(f, &req.nlh, sizeof(req), netlink_show_sock); |
ecb928c8 AV |
3371 | } |
3372 | ||
d1f28cf1 | 3373 | static int netlink_show(struct filter *f) |
aba5acdf SH |
3374 | { |
3375 | FILE *fp; | |
3376 | char buf[256]; | |
3377 | int prot, pid; | |
acd1e437 | 3378 | unsigned int groups; |
aba5acdf SH |
3379 | int rq, wq, rc; |
3380 | unsigned long long sk, cb; | |
3381 | ||
9db7bf15 | 3382 | if (!filter_af_get(f, AF_NETLINK) || !(f->states & (1 << SS_CLOSE))) |
b9ea445d VK |
3383 | return 0; |
3384 | ||
129709ae | 3385 | if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") && |
8a4025f6 | 3386 | netlink_show_netlink(f) == 0) |
129709ae AV |
3387 | return 0; |
3388 | ||
ab01dbbb | 3389 | if ((fp = net_netlink_open()) == NULL) |
aba5acdf | 3390 | return -1; |
61170fd8 | 3391 | if (!fgets(buf, sizeof(buf), fp)) { |
d572ed4d PS |
3392 | fclose(fp); |
3393 | return -1; | |
3394 | } | |
aba5acdf | 3395 | |
61170fd8 | 3396 | while (fgets(buf, sizeof(buf), fp)) { |
aba5acdf SH |
3397 | sscanf(buf, "%llx %d %d %x %d %d %llx %d", |
3398 | &sk, | |
3399 | &prot, &pid, &groups, &rq, &wq, &cb, &rc); | |
3400 | ||
f271fe01 | 3401 | netlink_show_one(f, prot, pid, groups, 0, 0, 0, rq, wq, sk, cb); |
aba5acdf SH |
3402 | } |
3403 | ||
b95d28c3 | 3404 | fclose(fp); |
aba5acdf SH |
3405 | return 0; |
3406 | } | |
3407 | ||
6885e3bf CG |
3408 | struct sock_diag_msg { |
3409 | __u8 sdiag_family; | |
3410 | }; | |
3411 | ||
3412 | static int generic_show_sock(const struct sockaddr_nl *addr, | |
3413 | struct nlmsghdr *nlh, void *arg) | |
3414 | { | |
3415 | struct sock_diag_msg *r = NLMSG_DATA(nlh); | |
3416 | struct inet_diag_arg inet_arg = { .f = arg, .protocol = IPPROTO_MAX }; | |
3417 | ||
3418 | switch (r->sdiag_family) { | |
3419 | case AF_INET: | |
3420 | case AF_INET6: | |
3421 | return show_one_inet_sock(addr, nlh, &inet_arg); | |
3422 | case AF_UNIX: | |
3423 | return unix_show_sock(addr, nlh, arg); | |
3424 | case AF_PACKET: | |
3425 | return packet_show_sock(addr, nlh, arg); | |
3426 | case AF_NETLINK: | |
3427 | return netlink_show_sock(addr, nlh, arg); | |
3428 | default: | |
3429 | return -1; | |
3430 | } | |
3431 | } | |
3432 | ||
3433 | static int handle_follow_request(struct filter *f) | |
3434 | { | |
3435 | int ret = -1; | |
3436 | int groups = 0; | |
3437 | struct rtnl_handle rth; | |
3438 | ||
3439 | if (f->families & (1 << AF_INET) && f->dbs & (1 << TCP_DB)) | |
3440 | groups |= 1 << (SKNLGRP_INET_TCP_DESTROY - 1); | |
3441 | if (f->families & (1 << AF_INET) && f->dbs & (1 << UDP_DB)) | |
3442 | groups |= 1 << (SKNLGRP_INET_UDP_DESTROY - 1); | |
3443 | if (f->families & (1 << AF_INET6) && f->dbs & (1 << TCP_DB)) | |
3444 | groups |= 1 << (SKNLGRP_INET6_TCP_DESTROY - 1); | |
3445 | if (f->families & (1 << AF_INET6) && f->dbs & (1 << UDP_DB)) | |
3446 | groups |= 1 << (SKNLGRP_INET6_UDP_DESTROY - 1); | |
3447 | ||
3448 | if (groups == 0) | |
3449 | return -1; | |
3450 | ||
3451 | if (rtnl_open_byproto(&rth, groups, NETLINK_SOCK_DIAG)) | |
3452 | return -1; | |
3453 | ||
3454 | rth.dump = 0; | |
3455 | rth.local.nl_pid = 0; | |
3456 | ||
3457 | if (rtnl_dump_filter(&rth, generic_show_sock, f)) | |
3458 | goto Exit; | |
3459 | ||
3460 | ret = 0; | |
3461 | Exit: | |
3462 | rtnl_close(&rth); | |
3463 | return ret; | |
3464 | } | |
3465 | ||
acd1e437 | 3466 | struct snmpstat { |
aba5acdf SH |
3467 | int tcp_estab; |
3468 | }; | |
3469 | ||
d1f28cf1 | 3470 | static int get_snmp_int(char *proto, char *key, int *result) |
aba5acdf SH |
3471 | { |
3472 | char buf[1024]; | |
3473 | FILE *fp; | |
3474 | int protolen = strlen(proto); | |
3475 | int keylen = strlen(key); | |
3476 | ||
3477 | *result = 0; | |
3478 | ||
ab01dbbb | 3479 | if ((fp = net_snmp_open()) == NULL) |
aba5acdf SH |
3480 | return -1; |
3481 | ||
3482 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
3483 | char *p = buf; | |
3484 | int pos = 0; | |
acd1e437 | 3485 | |
aba5acdf SH |
3486 | if (memcmp(buf, proto, protolen)) |
3487 | continue; | |
3488 | while ((p = strchr(p, ' ')) != NULL) { | |
3489 | pos++; | |
3490 | p++; | |
3491 | if (memcmp(p, key, keylen) == 0 && | |
3492 | (p[keylen] == ' ' || p[keylen] == '\n')) | |
3493 | break; | |
3494 | } | |
3495 | if (fgets(buf, sizeof(buf), fp) == NULL) | |
3496 | break; | |
3497 | if (memcmp(buf, proto, protolen)) | |
3498 | break; | |
3499 | p = buf; | |
3500 | while ((p = strchr(p, ' ')) != NULL) { | |
3501 | p++; | |
3502 | if (--pos == 0) { | |
3503 | sscanf(p, "%d", result); | |
3504 | fclose(fp); | |
3505 | return 0; | |
3506 | } | |
3507 | } | |
3508 | } | |
3509 | ||
3510 | fclose(fp); | |
3511 | errno = ESRCH; | |
3512 | return -1; | |
3513 | } | |
3514 | ||
3515 | ||
3516 | /* Get stats from sockstat */ | |
3517 | ||
acd1e437 | 3518 | struct ssummary { |
aba5acdf SH |
3519 | int socks; |
3520 | int tcp_mem; | |
3521 | int tcp_total; | |
3522 | int tcp_orphans; | |
3523 | int tcp_tws; | |
3524 | int tcp4_hashed; | |
3525 | int udp4; | |
3526 | int raw4; | |
3527 | int frag4; | |
3528 | int frag4_mem; | |
3529 | int tcp6_hashed; | |
3530 | int udp6; | |
3531 | int raw6; | |
3532 | int frag6; | |
3533 | int frag6_mem; | |
3534 | }; | |
3535 | ||
055840f2 | 3536 | static void get_sockstat_line(char *line, struct ssummary *s) |
aba5acdf SH |
3537 | { |
3538 | char id[256], rem[256]; | |
3539 | ||
3540 | if (sscanf(line, "%[^ ] %[^\n]\n", id, rem) != 2) | |
3541 | return; | |
3542 | ||
3543 | if (strcmp(id, "sockets:") == 0) | |
3544 | sscanf(rem, "%*s%d", &s->socks); | |
3545 | else if (strcmp(id, "UDP:") == 0) | |
3546 | sscanf(rem, "%*s%d", &s->udp4); | |
3547 | else if (strcmp(id, "UDP6:") == 0) | |
3548 | sscanf(rem, "%*s%d", &s->udp6); | |
3549 | else if (strcmp(id, "RAW:") == 0) | |
3550 | sscanf(rem, "%*s%d", &s->raw4); | |
3551 | else if (strcmp(id, "RAW6:") == 0) | |
3552 | sscanf(rem, "%*s%d", &s->raw6); | |
3553 | else if (strcmp(id, "TCP6:") == 0) | |
3554 | sscanf(rem, "%*s%d", &s->tcp6_hashed); | |
3555 | else if (strcmp(id, "FRAG:") == 0) | |
3556 | sscanf(rem, "%*s%d%*s%d", &s->frag4, &s->frag4_mem); | |
3557 | else if (strcmp(id, "FRAG6:") == 0) | |
3558 | sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem); | |
3559 | else if (strcmp(id, "TCP:") == 0) | |
3560 | sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d", | |
3561 | &s->tcp4_hashed, | |
3562 | &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem); | |
3563 | } | |
3564 | ||
055840f2 | 3565 | static int get_sockstat(struct ssummary *s) |
aba5acdf SH |
3566 | { |
3567 | char buf[256]; | |
3568 | FILE *fp; | |
3569 | ||
3570 | memset(s, 0, sizeof(*s)); | |
3571 | ||
ab01dbbb | 3572 | if ((fp = net_sockstat_open()) == NULL) |
aba5acdf | 3573 | return -1; |
acd1e437 | 3574 | while (fgets(buf, sizeof(buf), fp) != NULL) |
aba5acdf SH |
3575 | get_sockstat_line(buf, s); |
3576 | fclose(fp); | |
3577 | ||
ab01dbbb | 3578 | if ((fp = net_sockstat6_open()) == NULL) |
aba5acdf | 3579 | return 0; |
acd1e437 | 3580 | while (fgets(buf, sizeof(buf), fp) != NULL) |
aba5acdf SH |
3581 | get_sockstat_line(buf, s); |
3582 | fclose(fp); | |
3583 | ||
3584 | return 0; | |
3585 | } | |
3586 | ||
d1f28cf1 | 3587 | static int print_summary(void) |
aba5acdf | 3588 | { |
055840f2 | 3589 | struct ssummary s; |
aba5acdf SH |
3590 | struct snmpstat sn; |
3591 | ||
3592 | if (get_sockstat(&s) < 0) | |
3593 | perror("ss: get_sockstat"); | |
3594 | if (get_snmp_int("Tcp:", "CurrEstab", &sn.tcp_estab) < 0) | |
3595 | perror("ss: get_snmpstat"); | |
3596 | ||
a221d621 BL |
3597 | get_slabstat(&slabstat); |
3598 | ||
aba5acdf SH |
3599 | printf("Total: %d (kernel %d)\n", s.socks, slabstat.socks); |
3600 | ||
3601 | printf("TCP: %d (estab %d, closed %d, orphaned %d, synrecv %d, timewait %d/%d), ports %d\n", | |
3602 | s.tcp_total + slabstat.tcp_syns + s.tcp_tws, | |
3603 | sn.tcp_estab, | |
3604 | s.tcp_total - (s.tcp4_hashed+s.tcp6_hashed-s.tcp_tws), | |
3605 | s.tcp_orphans, | |
3606 | slabstat.tcp_syns, | |
3607 | s.tcp_tws, slabstat.tcp_tws, | |
3608 | slabstat.tcp_ports | |
3609 | ); | |
3610 | ||
3611 | printf("\n"); | |
3612 | printf("Transport Total IP IPv6\n"); | |
3613 | printf("* %-9d %-9s %-9s\n", slabstat.socks, "-", "-"); | |
3614 | printf("RAW %-9d %-9d %-9d\n", s.raw4+s.raw6, s.raw4, s.raw6); | |
3615 | printf("UDP %-9d %-9d %-9d\n", s.udp4+s.udp6, s.udp4, s.udp6); | |
3616 | printf("TCP %-9d %-9d %-9d\n", s.tcp4_hashed+s.tcp6_hashed, s.tcp4_hashed, s.tcp6_hashed); | |
ae665a52 | 3617 | printf("INET %-9d %-9d %-9d\n", |
aba5acdf SH |
3618 | s.raw4+s.udp4+s.tcp4_hashed+ |
3619 | s.raw6+s.udp6+s.tcp6_hashed, | |
3620 | s.raw4+s.udp4+s.tcp4_hashed, | |
3621 | s.raw6+s.udp6+s.tcp6_hashed); | |
3622 | printf("FRAG %-9d %-9d %-9d\n", s.frag4+s.frag6, s.frag4, s.frag6); | |
3623 | ||
3624 | printf("\n"); | |
3625 | ||
3626 | return 0; | |
3627 | } | |
3628 | ||
7a96e199 | 3629 | static void _usage(FILE *dest) |
aba5acdf | 3630 | { |
7a96e199 | 3631 | fprintf(dest, |
aba5acdf SH |
3632 | "Usage: ss [ OPTIONS ]\n" |
3633 | " ss [ OPTIONS ] [ FILTER ]\n" | |
ff041f16 VK |
3634 | " -h, --help this message\n" |
3635 | " -V, --version output version information\n" | |
3636 | " -n, --numeric don't resolve service names\n" | |
ab61159a | 3637 | " -r, --resolve resolve host names\n" |
ff041f16 VK |
3638 | " -a, --all display all sockets\n" |
3639 | " -l, --listening display listening sockets\n" | |
ab61159a SH |
3640 | " -o, --options show timer information\n" |
3641 | " -e, --extended show detailed socket information\n" | |
3642 | " -m, --memory show socket memory usage\n" | |
ff041f16 VK |
3643 | " -p, --processes show process using socket\n" |
3644 | " -i, --info show internal TCP information\n" | |
3645 | " -s, --summary show socket usage summary\n" | |
b0f01cf6 | 3646 | " -b, --bpf show bpf filter socket information\n" |
6885e3bf | 3647 | " -E, --events continually display sockets as they are destroyed\n" |
ff041f16 VK |
3648 | " -Z, --context display process SELinux security contexts\n" |
3649 | " -z, --contexts display process and socket SELinux security contexts\n" | |
95ce04bc | 3650 | " -N, --net switch to the specified network namespace name\n" |
ab61159a SH |
3651 | "\n" |
3652 | " -4, --ipv4 display only IP version 4 sockets\n" | |
3653 | " -6, --ipv6 display only IP version 6 sockets\n" | |
ff041f16 VK |
3654 | " -0, --packet display PACKET sockets\n" |
3655 | " -t, --tcp display only TCP sockets\n" | |
3656 | " -u, --udp display only UDP sockets\n" | |
3657 | " -d, --dccp display only DCCP sockets\n" | |
3658 | " -w, --raw display only RAW sockets\n" | |
3659 | " -x, --unix display only Unix domain sockets\n" | |
ab61159a | 3660 | " -f, --family=FAMILY display sockets of type FAMILY\n" |
ebef3174 | 3661 | " FAMILY := {inet|inet6|link|unix|netlink|help}\n" |
ab61159a | 3662 | "\n" |
fb2594c1 | 3663 | " -K, --kill forcibly close sockets, display what was closed\n" |
7a4559f6 | 3664 | " -H, --no-header Suppress header line\n" |
fb2594c1 | 3665 | "\n" |
583de149 | 3666 | " -A, --query=QUERY, --socket=QUERY\n" |
56dee73e | 3667 | " QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink}[,QUERY]\n" |
ab61159a | 3668 | "\n" |
583de149 | 3669 | " -D, --diag=FILE Dump raw information about TCP sockets to FILE\n" |
ab61159a | 3670 | " -F, --filter=FILE read filter information from FILE\n" |
ff041f16 VK |
3671 | " FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n" |
3672 | " STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n" | |
3673 | " TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listen|closing}\n" | |
3674 | " connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" | |
3675 | " synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" | |
3676 | " bucket := {syn-recv|time-wait}\n" | |
3677 | " big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listen|closing}\n" | |
ab61159a | 3678 | ); |
7a96e199 AH |
3679 | } |
3680 | ||
3681 | static void help(void) __attribute__((noreturn)); | |
3682 | static void help(void) | |
3683 | { | |
3684 | _usage(stdout); | |
3685 | exit(0); | |
3686 | } | |
3687 | ||
3688 | static void usage(void) __attribute__((noreturn)); | |
3689 | static void usage(void) | |
3690 | { | |
3691 | _usage(stderr); | |
aba5acdf SH |
3692 | exit(-1); |
3693 | } | |
3694 | ||
3695 | ||
d1f28cf1 | 3696 | static int scan_state(const char *state) |
aba5acdf SH |
3697 | { |
3698 | int i; | |
acd1e437 | 3699 | |
aba5acdf SH |
3700 | if (strcasecmp(state, "close") == 0 || |
3701 | strcasecmp(state, "closed") == 0) | |
3702 | return (1<<SS_CLOSE); | |
3703 | if (strcasecmp(state, "syn-rcv") == 0) | |
3704 | return (1<<SS_SYN_RECV); | |
1a5bad5a | 3705 | if (strcasecmp(state, "established") == 0) |
aba5acdf SH |
3706 | return (1<<SS_ESTABLISHED); |
3707 | if (strcasecmp(state, "all") == 0) | |
3708 | return SS_ALL; | |
3709 | if (strcasecmp(state, "connected") == 0) | |
3710 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)); | |
1a5bad5a | 3711 | if (strcasecmp(state, "synchronized") == 0) |
aba5acdf SH |
3712 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)|(1<<SS_SYN_SENT)); |
3713 | if (strcasecmp(state, "bucket") == 0) | |
3714 | return (1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT); | |
3715 | if (strcasecmp(state, "big") == 0) | |
3716 | return SS_ALL & ~((1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT)); | |
acd1e437 | 3717 | for (i = 0; i < SS_MAX; i++) { |
1a5bad5a | 3718 | if (strcasecmp(state, sstate_namel[i]) == 0) |
aba5acdf SH |
3719 | return (1<<i); |
3720 | } | |
9db7bf15 VK |
3721 | |
3722 | fprintf(stderr, "ss: wrong state name: %s\n", state); | |
3723 | exit(-1); | |
aba5acdf SH |
3724 | } |
3725 | ||
ab61159a SH |
3726 | static const struct option long_opts[] = { |
3727 | { "numeric", 0, 0, 'n' }, | |
3728 | { "resolve", 0, 0, 'r' }, | |
3729 | { "options", 0, 0, 'o' }, | |
3730 | { "extended", 0, 0, 'e' }, | |
3731 | { "memory", 0, 0, 'm' }, | |
3732 | { "info", 0, 0, 'i' }, | |
3733 | { "processes", 0, 0, 'p' }, | |
372c30d2 | 3734 | { "bpf", 0, 0, 'b' }, |
6885e3bf | 3735 | { "events", 0, 0, 'E' }, |
351efcde | 3736 | { "dccp", 0, 0, 'd' }, |
ab61159a SH |
3737 | { "tcp", 0, 0, 't' }, |
3738 | { "udp", 0, 0, 'u' }, | |
3739 | { "raw", 0, 0, 'w' }, | |
3740 | { "unix", 0, 0, 'x' }, | |
3741 | { "all", 0, 0, 'a' }, | |
3742 | { "listening", 0, 0, 'l' }, | |
3743 | { "ipv4", 0, 0, '4' }, | |
3744 | { "ipv6", 0, 0, '6' }, | |
3745 | { "packet", 0, 0, '0' }, | |
3746 | { "family", 1, 0, 'f' }, | |
3747 | { "socket", 1, 0, 'A' }, | |
583de149 | 3748 | { "query", 1, 0, 'A' }, |
c3f346b0 | 3749 | { "summary", 0, 0, 's' }, |
583de149 | 3750 | { "diag", 1, 0, 'D' }, |
ab61159a SH |
3751 | { "filter", 1, 0, 'F' }, |
3752 | { "version", 0, 0, 'V' }, | |
3753 | { "help", 0, 0, 'h' }, | |
116ac927 RH |
3754 | { "context", 0, 0, 'Z' }, |
3755 | { "contexts", 0, 0, 'z' }, | |
95ce04bc | 3756 | { "net", 1, 0, 'N' }, |
fb2594c1 | 3757 | { "kill", 0, 0, 'K' }, |
7a4559f6 | 3758 | { "no-header", 0, 0, 'H' }, |
ab61159a | 3759 | { 0 } |
ae665a52 | 3760 | |
ab61159a SH |
3761 | }; |
3762 | ||
aba5acdf SH |
3763 | int main(int argc, char *argv[]) |
3764 | { | |
aba5acdf SH |
3765 | int saw_states = 0; |
3766 | int saw_query = 0; | |
3767 | int do_summary = 0; | |
7d105b56 | 3768 | const char *dump_tcpdiag = NULL; |
aba5acdf SH |
3769 | FILE *filter_fp = NULL; |
3770 | int ch; | |
9db7bf15 | 3771 | int state_filter = 0; |
aba5acdf | 3772 | |
7a4559f6 | 3773 | while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KH", |
ab61159a | 3774 | long_opts, NULL)) != EOF) { |
acd1e437 | 3775 | switch (ch) { |
aba5acdf SH |
3776 | case 'n': |
3777 | resolve_services = 0; | |
3778 | break; | |
3779 | case 'r': | |
3780 | resolve_hosts = 1; | |
3781 | break; | |
3782 | case 'o': | |
3783 | show_options = 1; | |
3784 | break; | |
3785 | case 'e': | |
3786 | show_options = 1; | |
3787 | show_details++; | |
3788 | break; | |
3789 | case 'm': | |
3790 | show_mem = 1; | |
3791 | break; | |
3792 | case 'i': | |
3793 | show_tcpinfo = 1; | |
3794 | break; | |
3795 | case 'p': | |
3796 | show_users++; | |
fbc0f876 | 3797 | user_ent_hash_build(); |
aba5acdf | 3798 | break; |
372c30d2 ND |
3799 | case 'b': |
3800 | show_options = 1; | |
3801 | show_bpf++; | |
3802 | break; | |
6885e3bf CG |
3803 | case 'E': |
3804 | follow_events = 1; | |
3805 | break; | |
351efcde | 3806 | case 'd': |
57ff5a10 | 3807 | filter_db_set(¤t_filter, DCCP_DB); |
351efcde | 3808 | break; |
aba5acdf | 3809 | case 't': |
57ff5a10 | 3810 | filter_db_set(¤t_filter, TCP_DB); |
aba5acdf SH |
3811 | break; |
3812 | case 'u': | |
57ff5a10 | 3813 | filter_db_set(¤t_filter, UDP_DB); |
aba5acdf SH |
3814 | break; |
3815 | case 'w': | |
57ff5a10 | 3816 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf SH |
3817 | break; |
3818 | case 'x': | |
9db7bf15 | 3819 | filter_af_set(¤t_filter, AF_UNIX); |
aba5acdf SH |
3820 | break; |
3821 | case 'a': | |
9db7bf15 | 3822 | state_filter = SS_ALL; |
aba5acdf SH |
3823 | break; |
3824 | case 'l': | |
9db7bf15 | 3825 | state_filter = (1 << SS_LISTEN) | (1 << SS_CLOSE); |
aba5acdf SH |
3826 | break; |
3827 | case '4': | |
9db7bf15 | 3828 | filter_af_set(¤t_filter, AF_INET); |
aba5acdf SH |
3829 | break; |
3830 | case '6': | |
9db7bf15 | 3831 | filter_af_set(¤t_filter, AF_INET6); |
aba5acdf SH |
3832 | break; |
3833 | case '0': | |
9db7bf15 | 3834 | filter_af_set(¤t_filter, AF_PACKET); |
aba5acdf SH |
3835 | break; |
3836 | case 'f': | |
3837 | if (strcmp(optarg, "inet") == 0) | |
9db7bf15 | 3838 | filter_af_set(¤t_filter, AF_INET); |
aba5acdf | 3839 | else if (strcmp(optarg, "inet6") == 0) |
9db7bf15 | 3840 | filter_af_set(¤t_filter, AF_INET6); |
aba5acdf | 3841 | else if (strcmp(optarg, "link") == 0) |
9db7bf15 | 3842 | filter_af_set(¤t_filter, AF_PACKET); |
aba5acdf | 3843 | else if (strcmp(optarg, "unix") == 0) |
9db7bf15 | 3844 | filter_af_set(¤t_filter, AF_UNIX); |
aba5acdf | 3845 | else if (strcmp(optarg, "netlink") == 0) |
9db7bf15 | 3846 | filter_af_set(¤t_filter, AF_NETLINK); |
aba5acdf | 3847 | else if (strcmp(optarg, "help") == 0) |
7a96e199 | 3848 | help(); |
aba5acdf | 3849 | else { |
9db7bf15 VK |
3850 | fprintf(stderr, "ss: \"%s\" is invalid family\n", |
3851 | optarg); | |
aba5acdf SH |
3852 | usage(); |
3853 | } | |
3854 | break; | |
3855 | case 'A': | |
3856 | { | |
3857 | char *p, *p1; | |
acd1e437 | 3858 | |
aba5acdf SH |
3859 | if (!saw_query) { |
3860 | current_filter.dbs = 0; | |
7f9dddbe | 3861 | state_filter = state_filter ? |
acd1e437 | 3862 | state_filter : SS_CONN; |
aba5acdf SH |
3863 | saw_query = 1; |
3864 | do_default = 0; | |
3865 | } | |
3866 | p = p1 = optarg; | |
3867 | do { | |
3868 | if ((p1 = strchr(p, ',')) != NULL) | |
ae665a52 | 3869 | *p1 = 0; |
aba5acdf | 3870 | if (strcmp(p, "all") == 0) { |
57ff5a10 | 3871 | filter_default_dbs(¤t_filter); |
aba5acdf | 3872 | } else if (strcmp(p, "inet") == 0) { |
57ff5a10 VK |
3873 | filter_db_set(¤t_filter, UDP_DB); |
3874 | filter_db_set(¤t_filter, DCCP_DB); | |
3875 | filter_db_set(¤t_filter, TCP_DB); | |
3876 | filter_db_set(¤t_filter, RAW_DB); | |
aba5acdf | 3877 | } else if (strcmp(p, "udp") == 0) { |
57ff5a10 | 3878 | filter_db_set(¤t_filter, UDP_DB); |
351efcde | 3879 | } else if (strcmp(p, "dccp") == 0) { |
57ff5a10 | 3880 | filter_db_set(¤t_filter, DCCP_DB); |
aba5acdf | 3881 | } else if (strcmp(p, "tcp") == 0) { |
57ff5a10 | 3882 | filter_db_set(¤t_filter, TCP_DB); |
aba5acdf | 3883 | } else if (strcmp(p, "raw") == 0) { |
57ff5a10 | 3884 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf | 3885 | } else if (strcmp(p, "unix") == 0) { |
57ff5a10 VK |
3886 | filter_db_set(¤t_filter, UNIX_ST_DB); |
3887 | filter_db_set(¤t_filter, UNIX_DG_DB); | |
3888 | filter_db_set(¤t_filter, UNIX_SQ_DB); | |
1a5bad5a | 3889 | } else if (strcasecmp(p, "unix_stream") == 0 || |
aba5acdf | 3890 | strcmp(p, "u_str") == 0) { |
57ff5a10 | 3891 | filter_db_set(¤t_filter, UNIX_ST_DB); |
1a5bad5a | 3892 | } else if (strcasecmp(p, "unix_dgram") == 0 || |
aba5acdf | 3893 | strcmp(p, "u_dgr") == 0) { |
57ff5a10 | 3894 | filter_db_set(¤t_filter, UNIX_DG_DB); |
30b669d7 MY |
3895 | } else if (strcasecmp(p, "unix_seqpacket") == 0 || |
3896 | strcmp(p, "u_seq") == 0) { | |
57ff5a10 | 3897 | filter_db_set(¤t_filter, UNIX_SQ_DB); |
aba5acdf | 3898 | } else if (strcmp(p, "packet") == 0) { |
57ff5a10 VK |
3899 | filter_db_set(¤t_filter, PACKET_R_DB); |
3900 | filter_db_set(¤t_filter, PACKET_DG_DB); | |
aba5acdf SH |
3901 | } else if (strcmp(p, "packet_raw") == 0 || |
3902 | strcmp(p, "p_raw") == 0) { | |
57ff5a10 | 3903 | filter_db_set(¤t_filter, PACKET_R_DB); |
aba5acdf SH |
3904 | } else if (strcmp(p, "packet_dgram") == 0 || |
3905 | strcmp(p, "p_dgr") == 0) { | |
57ff5a10 | 3906 | filter_db_set(¤t_filter, PACKET_DG_DB); |
aba5acdf | 3907 | } else if (strcmp(p, "netlink") == 0) { |
57ff5a10 | 3908 | filter_db_set(¤t_filter, NETLINK_DB); |
aba5acdf SH |
3909 | } else { |
3910 | fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p); | |
3911 | usage(); | |
3912 | } | |
3913 | p = p1 + 1; | |
3914 | } while (p1); | |
3915 | break; | |
3916 | } | |
3917 | case 's': | |
3918 | do_summary = 1; | |
3919 | break; | |
3920 | case 'D': | |
3921 | dump_tcpdiag = optarg; | |
3922 | break; | |
3923 | case 'F': | |
3924 | if (filter_fp) { | |
3925 | fprintf(stderr, "More than one filter file\n"); | |
3926 | exit(-1); | |
3927 | } | |
3928 | if (optarg[0] == '-') | |
3929 | filter_fp = stdin; | |
3930 | else | |
3931 | filter_fp = fopen(optarg, "r"); | |
3932 | if (!filter_fp) { | |
3933 | perror("fopen filter file"); | |
3934 | exit(-1); | |
3935 | } | |
3936 | break; | |
3937 | case 'v': | |
3938 | case 'V': | |
3939 | printf("ss utility, iproute2-ss%s\n", SNAPSHOT); | |
3940 | exit(0); | |
116ac927 RH |
3941 | case 'z': |
3942 | show_sock_ctx++; | |
3943 | case 'Z': | |
3944 | if (is_selinux_enabled() <= 0) { | |
3945 | fprintf(stderr, "ss: SELinux is not enabled.\n"); | |
3946 | exit(1); | |
3947 | } | |
3948 | show_proc_ctx++; | |
3949 | user_ent_hash_build(); | |
3950 | break; | |
95ce04bc VK |
3951 | case 'N': |
3952 | if (netns_switch(optarg)) | |
3953 | exit(1); | |
3954 | break; | |
fb2594c1 LC |
3955 | case 'K': |
3956 | current_filter.kill = 1; | |
3957 | break; | |
7a4559f6 DA |
3958 | case 'H': |
3959 | show_header = 0; | |
3960 | break; | |
aba5acdf | 3961 | case 'h': |
7a96e199 | 3962 | help(); |
f73105ab | 3963 | case '?': |
aba5acdf SH |
3964 | default: |
3965 | usage(); | |
3966 | } | |
3967 | } | |
3968 | ||
3969 | argc -= optind; | |
3970 | argv += optind; | |
3971 | ||
aba5acdf SH |
3972 | if (do_summary) { |
3973 | print_summary(); | |
3974 | if (do_default && argc == 0) | |
3975 | exit(0); | |
3976 | } | |
3977 | ||
aba5acdf SH |
3978 | while (argc > 0) { |
3979 | if (strcmp(*argv, "state") == 0) { | |
3980 | NEXT_ARG(); | |
3981 | if (!saw_states) | |
9db7bf15 VK |
3982 | state_filter = 0; |
3983 | state_filter |= scan_state(*argv); | |
aba5acdf SH |
3984 | saw_states = 1; |
3985 | } else if (strcmp(*argv, "exclude") == 0 || | |
3986 | strcmp(*argv, "excl") == 0) { | |
3987 | NEXT_ARG(); | |
3988 | if (!saw_states) | |
9db7bf15 VK |
3989 | state_filter = SS_ALL; |
3990 | state_filter &= ~scan_state(*argv); | |
aba5acdf SH |
3991 | saw_states = 1; |
3992 | } else { | |
aba5acdf SH |
3993 | break; |
3994 | } | |
3995 | argc--; argv++; | |
3996 | } | |
3997 | ||
9db7bf15 VK |
3998 | if (do_default) { |
3999 | state_filter = state_filter ? state_filter : SS_CONN; | |
4000 | filter_default_dbs(¤t_filter); | |
9db7bf15 VK |
4001 | } |
4002 | ||
57ff5a10 VK |
4003 | filter_states_set(¤t_filter, state_filter); |
4004 | filter_merge_defaults(¤t_filter); | |
4005 | ||
9db7bf15 VK |
4006 | if (resolve_services && resolve_hosts && |
4007 | (current_filter.dbs&(UNIX_DBM|(1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)))) | |
4008 | init_service_resolver(); | |
4009 | ||
4010 | ||
4011 | if (current_filter.dbs == 0) { | |
4012 | fprintf(stderr, "ss: no socket tables to show with such filter.\n"); | |
4013 | exit(0); | |
4014 | } | |
4015 | if (current_filter.families == 0) { | |
4016 | fprintf(stderr, "ss: no families to show with such filter.\n"); | |
4017 | exit(0); | |
4018 | } | |
aba5acdf SH |
4019 | if (current_filter.states == 0) { |
4020 | fprintf(stderr, "ss: no socket states to show with such filter.\n"); | |
4021 | exit(0); | |
4022 | } | |
4023 | ||
4024 | if (dump_tcpdiag) { | |
4025 | FILE *dump_fp = stdout; | |
acd1e437 | 4026 | |
aba5acdf SH |
4027 | if (!(current_filter.dbs & (1<<TCP_DB))) { |
4028 | fprintf(stderr, "ss: tcpdiag dump requested and no tcp in filter.\n"); | |
4029 | exit(0); | |
4030 | } | |
4031 | if (dump_tcpdiag[0] != '-') { | |
4032 | dump_fp = fopen(dump_tcpdiag, "w"); | |
4033 | if (!dump_tcpdiag) { | |
4034 | perror("fopen dump file"); | |
4035 | exit(-1); | |
4036 | } | |
4037 | } | |
3fe5b534 | 4038 | inet_show_netlink(¤t_filter, dump_fp, IPPROTO_TCP); |
aba5acdf SH |
4039 | fflush(dump_fp); |
4040 | exit(0); | |
4041 | } | |
4042 | ||
1527a17e VK |
4043 | if (ssfilter_parse(¤t_filter.f, argc, argv, filter_fp)) |
4044 | usage(); | |
4045 | ||
aba5acdf SH |
4046 | netid_width = 0; |
4047 | if (current_filter.dbs&(current_filter.dbs-1)) | |
4048 | netid_width = 5; | |
4049 | ||
4050 | state_width = 0; | |
4051 | if (current_filter.states&(current_filter.states-1)) | |
4052 | state_width = 10; | |
4053 | ||
4054 | screen_width = 80; | |
4055 | if (isatty(STDOUT_FILENO)) { | |
4056 | struct winsize w; | |
4057 | ||
4058 | if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) { | |
4059 | if (w.ws_col > 0) | |
4060 | screen_width = w.ws_col; | |
4061 | } | |
4062 | } | |
4063 | ||
4064 | addrp_width = screen_width; | |
4065 | addrp_width -= netid_width+1; | |
4066 | addrp_width -= state_width+1; | |
4067 | addrp_width -= 14; | |
4068 | ||
4069 | if (addrp_width&1) { | |
4070 | if (netid_width) | |
4071 | netid_width++; | |
4072 | else if (state_width) | |
4073 | state_width++; | |
4074 | } | |
4075 | ||
4076 | addrp_width /= 2; | |
4077 | addrp_width--; | |
4078 | ||
4079 | serv_width = resolve_services ? 7 : 5; | |
4080 | ||
4081 | if (addrp_width < 15+serv_width+1) | |
4082 | addrp_width = 15+serv_width+1; | |
4083 | ||
ae665a52 | 4084 | addr_width = addrp_width - serv_width - 1; |
aba5acdf | 4085 | |
7a4559f6 DA |
4086 | if (show_header) { |
4087 | if (netid_width) | |
4088 | printf("%-*s ", netid_width, "Netid"); | |
4089 | if (state_width) | |
4090 | printf("%-*s ", state_width, "State"); | |
4091 | printf("%-6s %-6s ", "Recv-Q", "Send-Q"); | |
4092 | } | |
aba5acdf | 4093 | |
d68e00f7 | 4094 | /* Make enough space for the local/remote port field */ |
4095 | addr_width -= 13; | |
4096 | serv_width += 13; | |
2dc85485 | 4097 | |
7a4559f6 DA |
4098 | if (show_header) { |
4099 | printf("%*s:%-*s %*s:%-*s\n", | |
4100 | addr_width, "Local Address", serv_width, "Port", | |
4101 | addr_width, "Peer Address", serv_width, "Port"); | |
4102 | } | |
aba5acdf | 4103 | |
aba5acdf SH |
4104 | fflush(stdout); |
4105 | ||
6885e3bf CG |
4106 | if (follow_events) |
4107 | exit(handle_follow_request(¤t_filter)); | |
4108 | ||
aba5acdf SH |
4109 | if (current_filter.dbs & (1<<NETLINK_DB)) |
4110 | netlink_show(¤t_filter); | |
4111 | if (current_filter.dbs & PACKET_DBM) | |
4112 | packet_show(¤t_filter); | |
4113 | if (current_filter.dbs & UNIX_DBM) | |
4114 | unix_show(¤t_filter); | |
4115 | if (current_filter.dbs & (1<<RAW_DB)) | |
4116 | raw_show(¤t_filter); | |
4117 | if (current_filter.dbs & (1<<UDP_DB)) | |
4118 | udp_show(¤t_filter); | |
4119 | if (current_filter.dbs & (1<<TCP_DB)) | |
3fe5b534 | 4120 | tcp_show(¤t_filter, IPPROTO_TCP); |
351efcde | 4121 | if (current_filter.dbs & (1<<DCCP_DB)) |
3fe5b534 | 4122 | tcp_show(¤t_filter, IPPROTO_DCCP); |
116ac927 RH |
4123 | |
4124 | if (show_users || show_proc_ctx || show_sock_ctx) | |
4125 | user_ent_destroy(); | |
4126 | ||
aba5acdf SH |
4127 | return 0; |
4128 | } |