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update headers from 4.15-rc2
[mirror_iproute2.git] / misc / ss.c
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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>
aba5acdf
SH		 15#include <fcntl.h>
16#include <sys/ioctl.h>
17#include <sys/socket.h>
18#include <sys/uio.h>
19#include <netinet/in.h>
20#include <string.h>
21#include <errno.h>
22#include <netdb.h>
23#include <arpa/inet.h>
aba5acdf
SH		 24#include <dirent.h>
25#include <fnmatch.h>
ab61159a 26#include <getopt.h>
bf4ceee6 27#include <stdbool.h>
6b376ebd 28#include <limits.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>
f89d46ad 45#include <linux/sctp.h>
c759116a 46#include <linux/vm_sockets_diag.h>
aba5acdf 47
8a4025f6 48#define MAGIC_SEQ 123456
49
5fb421d4 50#define DIAG_REQUEST(_req, _r) \
51 struct { \
52 struct nlmsghdr nlh; \
53 _r; \
54 } _req = { \
55 .nlh = { \
56 .nlmsg_type = SOCK_DIAG_BY_FAMILY, \
57 .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\
8a4025f6 58 .nlmsg_seq = MAGIC_SEQ, \
5fb421d4 59 .nlmsg_len = sizeof(_req), \
60 }, \
61 }
62
116ac927
RH		 63#if HAVE_SELINUX
64#include <selinux/selinux.h>
65#else
66/* Stubs for SELinux functions */
67static int is_selinux_enabled(void)
68{
69 return -1;
70}
71
72static int getpidcon(pid_t pid, char **context)
73{
74 *context = NULL;
75 return -1;
76}
77
78static int getfilecon(char *path, char **context)
79{
80 *context = NULL;
81 return -1;
82}
83
84static int security_get_initial_context(char *name, char **context)
85{
86 *context = NULL;
87 return -1;
88}
89#endif
90
aba5acdf
SH		 91int resolve_services = 1;
92int preferred_family = AF_UNSPEC;
acd1e437
SH		 93int show_options;
94int show_details;
95int show_users;
96int show_mem;
97int show_tcpinfo;
98int show_bpf;
99int show_proc_ctx;
100int show_sock_ctx;
7a4559f6 101int show_header = 1;
acd1e437 102int follow_events;
f89d46ad 103int sctp_ino;
aba5acdf
SH		 104
105int netid_width;
106int state_width;
aba5acdf
SH		 107int addr_width;
108int serv_width;
4357f5c3 109char *odd_width_pad = "";
aba5acdf
SH		 110
111static const char *TCP_PROTO = "tcp";
f89d46ad 112static const char *SCTP_PROTO = "sctp";
aba5acdf
SH		 113static const char *UDP_PROTO = "udp";
114static const char *RAW_PROTO = "raw";
acd1e437 115static const char *dg_proto;
aba5acdf 116
acd1e437 117enum {
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,
f89d46ad 128 SCTP_DB,
c759116a
SH		 129 VSOCK_ST_DB,
130 VSOCK_DG_DB,
aba5acdf
SH		 131 MAX_DB
132};
133
134#define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB))
30b669d7 135#define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB))
aba5acdf 136#define ALL_DB ((1<<MAX_DB)-1)
168d97f9
SH		 137#define INET_L4_DBM ((1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)|(1<<SCTP_DB))
138#define INET_DBM (INET_L4_DBM | (1<<RAW_DB))
c759116a 139#define VSOCK_DBM ((1<<VSOCK_ST_DB)|(1<<VSOCK_DG_DB))
aba5acdf
SH		 140
141enum {
7d105b56
SH		 142 SS_UNKNOWN,
143 SS_ESTABLISHED,
144 SS_SYN_SENT,
145 SS_SYN_RECV,
146 SS_FIN_WAIT1,
147 SS_FIN_WAIT2,
148 SS_TIME_WAIT,
149 SS_CLOSE,
150 SS_CLOSE_WAIT,
151 SS_LAST_ACK,
152 SS_LISTEN,
153 SS_CLOSING,
154 SS_MAX
aba5acdf
SH		 155};
156
f89d46ad
PS		 157enum {
158 SCTP_STATE_CLOSED = 0,
159 SCTP_STATE_COOKIE_WAIT = 1,
160 SCTP_STATE_COOKIE_ECHOED = 2,
161 SCTP_STATE_ESTABLISHED = 3,
162 SCTP_STATE_SHUTDOWN_PENDING = 4,
163 SCTP_STATE_SHUTDOWN_SENT = 5,
164 SCTP_STATE_SHUTDOWN_RECEIVED = 6,
165 SCTP_STATE_SHUTDOWN_ACK_SENT = 7,
166};
167
9db7bf15
VK		 168#define SS_ALL ((1 << SS_MAX) - 1)
169#define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV)))
aba5acdf
SH		 170
171#include "ssfilter.h"
172
acd1e437 173struct filter {
aba5acdf
SH		 174 int dbs;
175 int states;
b338a3e7 176 uint64_t families;
aba5acdf 177 struct ssfilter *f;
fb2594c1 178 bool kill;
aba5acdf
SH		 179};
180
b338a3e7
SH		 181#define FAMILY_MASK(family) ((uint64_t)1 << (family))
182
9db7bf15
VK		 183static const struct filter default_dbs[MAX_DB] = {
184 [TCP_DB] = {
185 .states = SS_CONN,
b338a3e7 186 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
9db7bf15
VK		 187 },
188 [DCCP_DB] = {
189 .states = SS_CONN,
b338a3e7 190 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
9db7bf15
VK		 191 },
192 [UDP_DB] = {
f42a4574 193 .states = (1 << SS_ESTABLISHED),
b338a3e7 194 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
9db7bf15
VK		 195 },
196 [RAW_DB] = {
f42a4574 197 .states = (1 << SS_ESTABLISHED),
b338a3e7 198 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
9db7bf15
VK		 199 },
200 [UNIX_DG_DB] = {
201 .states = (1 << SS_CLOSE),
b338a3e7 202 .families = FAMILY_MASK(AF_UNIX),
9db7bf15
VK		 203 },
204 [UNIX_ST_DB] = {
205 .states = SS_CONN,
b338a3e7 206 .families = FAMILY_MASK(AF_UNIX),
9db7bf15
VK		 207 },
208 [UNIX_SQ_DB] = {
209 .states = SS_CONN,
b338a3e7 210 .families = FAMILY_MASK(AF_UNIX),
9db7bf15
VK		 211 },
212 [PACKET_DG_DB] = {
213 .states = (1 << SS_CLOSE),
b338a3e7 214 .families = FAMILY_MASK(AF_PACKET),
9db7bf15
VK		 215 },
216 [PACKET_R_DB] = {
217 .states = (1 << SS_CLOSE),
b338a3e7 218 .families = FAMILY_MASK(AF_PACKET),
9db7bf15
VK		 219 },
220 [NETLINK_DB] = {
221 .states = (1 << SS_CLOSE),
b338a3e7 222 .families = FAMILY_MASK(AF_NETLINK),
9db7bf15 223 },
f89d46ad
PS		 224 [SCTP_DB] = {
225 .states = SS_CONN,
b338a3e7 226 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
f89d46ad 227 },
c759116a
SH		 228 [VSOCK_ST_DB] = {
229 .states = SS_CONN,
230 .families = FAMILY_MASK(AF_VSOCK),
231 },
232 [VSOCK_DG_DB] = {
233 .states = SS_CONN,
234 .families = FAMILY_MASK(AF_VSOCK),
235 },
aba5acdf
SH		 236};
237
9db7bf15
VK		 238static const struct filter default_afs[AF_MAX] = {
239 [AF_INET] = {
240 .dbs = INET_DBM,
241 .states = SS_CONN,
242 },
243 [AF_INET6] = {
244 .dbs = INET_DBM,
245 .states = SS_CONN,
246 },
247 [AF_UNIX] = {
248 .dbs = UNIX_DBM,
249 .states = SS_CONN,
250 },
251 [AF_PACKET] = {
252 .dbs = PACKET_DBM,
253 .states = (1 << SS_CLOSE),
254 },
255 [AF_NETLINK] = {
256 .dbs = (1 << NETLINK_DB),
257 .states = (1 << SS_CLOSE),
258 },
c759116a
SH		 259 [AF_VSOCK] = {
260 .dbs = VSOCK_DBM,
261 .states = SS_CONN,
262 },
9db7bf15
VK		 263};
264
265static int do_default = 1;
266static struct filter current_filter;
267
268static void filter_db_set(struct filter *f, int db)
269{
270 f->states |= default_dbs[db].states;
9db7bf15
VK		 271 f->dbs |= 1 << db;
272 do_default = 0;
273}
274
275static void filter_af_set(struct filter *f, int af)
276{
1527a17e 277 f->states |= default_afs[af].states;
b338a3e7 278 f->families |= FAMILY_MASK(af);
1527a17e
VK		 279 do_default = 0;
280 preferred_family = af;
9db7bf15
VK		 281}
282
283static int filter_af_get(struct filter *f, int af)
284{
b338a3e7 285 return !!(f->families & FAMILY_MASK(af));
9db7bf15
VK		 286}
287
288static void filter_default_dbs(struct filter *f)
289{
290 filter_db_set(f, UDP_DB);
291 filter_db_set(f, DCCP_DB);
292 filter_db_set(f, TCP_DB);
293 filter_db_set(f, RAW_DB);
294 filter_db_set(f, UNIX_ST_DB);
295 filter_db_set(f, UNIX_DG_DB);
296 filter_db_set(f, UNIX_SQ_DB);
297 filter_db_set(f, PACKET_R_DB);
298 filter_db_set(f, PACKET_DG_DB);
299 filter_db_set(f, NETLINK_DB);
f89d46ad 300 filter_db_set(f, SCTP_DB);
c759116a
SH		 301 filter_db_set(f, VSOCK_ST_DB);
302 filter_db_set(f, VSOCK_DG_DB);
9db7bf15
VK		 303}
304
57ff5a10 305static void filter_states_set(struct filter *f, int states)
9db7bf15 306{
57ff5a10 307 if (states)
9d320e1e 308 f->states = states;
57ff5a10 309}
9db7bf15 310
57ff5a10
VK		 311static void filter_merge_defaults(struct filter *f)
312{
313 int db;
314 int af;
9db7bf15 315
57ff5a10
VK		 316 for (db = 0; db < MAX_DB; db++) {
317 if (!(f->dbs & (1 << db)))
318 continue;
9db7bf15 319
57ff5a10
VK		 320 if (!(default_dbs[db].families & f->families))
321 f->families |= default_dbs[db].families;
322 }
323 for (af = 0; af < AF_MAX; af++) {
b338a3e7 324 if (!(f->families & FAMILY_MASK(af)))
57ff5a10
VK		 325 continue;
326
327 if (!(default_afs[af].dbs & f->dbs))
328 f->dbs |= default_afs[af].dbs;
329 }
9db7bf15 330}
aba5acdf 331
ab01dbbb 332static FILE *generic_proc_open(const char *env, const char *name)
aba5acdf 333{
ab01dbbb 334 const char *p = getenv(env);
aba5acdf 335 char store[128];
ab01dbbb 336
aba5acdf
SH		 337 if (!p) {
338 p = getenv("PROC_ROOT") ? : "/proc";
339 snprintf(store, sizeof(store)-1, "%s/%s", p, name);
340 p = store;
341 }
ab01dbbb
SH		 342
343 return fopen(p, "r");
aba5acdf 344}
0cb74a86
PS		 345#define net_tcp_open() generic_proc_open("PROC_NET_TCP", "net/tcp")
346#define net_tcp6_open() generic_proc_open("PROC_NET_TCP6", "net/tcp6")
347#define net_udp_open() generic_proc_open("PROC_NET_UDP", "net/udp")
348#define net_udp6_open() generic_proc_open("PROC_NET_UDP6", "net/udp6")
349#define net_raw_open() generic_proc_open("PROC_NET_RAW", "net/raw")
350#define net_raw6_open() generic_proc_open("PROC_NET_RAW6", "net/raw6")
351#define net_unix_open() generic_proc_open("PROC_NET_UNIX", "net/unix")
352#define net_packet_open() generic_proc_open("PROC_NET_PACKET", \
353 "net/packet")
354#define net_netlink_open() generic_proc_open("PROC_NET_NETLINK", \
355 "net/netlink")
356#define slabinfo_open() generic_proc_open("PROC_SLABINFO", "slabinfo")
357#define net_sockstat_open() generic_proc_open("PROC_NET_SOCKSTAT", \
358 "net/sockstat")
359#define net_sockstat6_open() generic_proc_open("PROC_NET_SOCKSTAT6", \
360 "net/sockstat6")
361#define net_snmp_open() generic_proc_open("PROC_NET_SNMP", "net/snmp")
362#define ephemeral_ports_open() generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", \
363 "sys/net/ipv4/ip_local_port_range")
aba5acdf 364
fbc0f876
SF		 365struct user_ent {
366 struct user_ent *next;
367 unsigned int ino;
368 int pid;
369 int fd;
116ac927
RH		 370 char *process;
371 char *process_ctx;
372 char *socket_ctx;
fbc0f876
SF		 373};
374
375#define USER_ENT_HASH_SIZE 256
376struct user_ent *user_ent_hash[USER_ENT_HASH_SIZE];
377
378static int user_ent_hashfn(unsigned int ino)
aba5acdf 379{
fbc0f876 380 int val = (ino >> 24) ^ (ino >> 16) ^ (ino >> 8) ^ ino;
aba5acdf 381
fbc0f876
SF		 382 return val & (USER_ENT_HASH_SIZE - 1);
383}
384
116ac927
RH		 385static void user_ent_add(unsigned int ino, char *process,
386 int pid, int fd,
387 char *proc_ctx,
388 char *sock_ctx)
fbc0f876
SF		 389{
390 struct user_ent *p, **pp;
aba5acdf 391
116ac927
RH		 392 p = malloc(sizeof(struct user_ent));
393 if (!p) {
394 fprintf(stderr, "ss: failed to malloc buffer\n");
fbc0f876 395 abort();
116ac927 396 }
fbc0f876
SF		 397 p->next = NULL;
398 p->ino = ino;
399 p->pid = pid;
400 p->fd = fd;
116ac927
RH		 401 p->process = strdup(process);
402 p->process_ctx = strdup(proc_ctx);
403 p->socket_ctx = strdup(sock_ctx);
fbc0f876
SF		 404
405 pp = &user_ent_hash[user_ent_hashfn(ino)];
406 p->next = *pp;
407 *pp = p;
408}
aba5acdf 409
116ac927
RH		 410static void user_ent_destroy(void)
411{
412 struct user_ent *p, *p_next;
413 int cnt = 0;
414
415 while (cnt != USER_ENT_HASH_SIZE) {
416 p = user_ent_hash[cnt];
417 while (p) {
418 free(p->process);
419 free(p->process_ctx);
420 free(p->socket_ctx);
421 p_next = p->next;
422 free(p);
423 p = p_next;
424 }
425 cnt++;
426 }
427}
428
fbc0f876
SF		 429static void user_ent_hash_build(void)
430{
431 const char *root = getenv("PROC_ROOT") ? : "/proc/";
432 struct dirent *d;
433 char name[1024];
434 int nameoff;
435 DIR *dir;
116ac927
RH		 436 char *pid_context;
437 char *sock_context;
438 const char *no_ctx = "unavailable";
b25bad2f 439 static int user_ent_hash_build_init;
116ac927
RH		 440
441 /* If show_users & show_proc_ctx set only do this once */
442 if (user_ent_hash_build_init != 0)
443 return;
444
445 user_ent_hash_build_init = 1;
fbc0f876 446
18f156bf 447 strlcpy(name, root, sizeof(name));
0ee9052f 448
fbc0f876 449 if (strlen(name) == 0 || name[strlen(name)-1] != '/')
aba5acdf 450 strcat(name, "/");
fbc0f876 451
aba5acdf 452 nameoff = strlen(name);
fbc0f876
SF		 453
454 dir = opendir(name);
455 if (!dir)
456 return;
aba5acdf
SH		 457
458 while ((d = readdir(dir)) != NULL) {
aba5acdf 459 struct dirent *d1;
aba5acdf 460 char process[16];
116ac927 461 char *p;
fbc0f876
SF		 462 int pid, pos;
463 DIR *dir1;
464 char crap;
aba5acdf
SH		 465
466 if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1)
467 continue;
468
116ac927
RH		 469 if (getpidcon(pid, &pid_context) != 0)
470 pid_context = strdup(no_ctx);
471
0ee9052f 472 snprintf(name + nameoff, sizeof(name) - nameoff, "%d/fd/", pid);
aba5acdf 473 pos = strlen(name);
a02371fb
PS		 474 if ((dir1 = opendir(name)) == NULL) {
475 free(pid_context);
aba5acdf 476 continue;
a02371fb 477 }
aba5acdf 478
fbc0f876 479 process[0] = '\0';
116ac927 480 p = process;
aba5acdf
SH		 481
482 while ((d1 = readdir(dir1)) != NULL) {
fbc0f876
SF		 483 const char *pattern = "socket:[";
484 unsigned int ino;
aba5acdf 485 char lnk[64];
18445b3e 486 int fd;
788731b3 487 ssize_t link_len;
116ac927 488 char tmp[1024];
aba5acdf
SH		 489
490 if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1)
491 continue;
492
0ee9052f 493 snprintf(name+pos, sizeof(name) - pos, "%d", fd);
788731b3
TJ		 494
495 link_len = readlink(name, lnk, sizeof(lnk)-1);
496 if (link_len == -1)
497 continue;
498 lnk[link_len] = '\0';
499
500 if (strncmp(lnk, pattern, strlen(pattern)))
aba5acdf
SH		 501 continue;
502
fbc0f876 503 sscanf(lnk, "socket:[%u]", &ino);
aba5acdf 504
116ac927
RH		 505 snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s",
506 root, pid, d1->d_name);
507
508 if (getfilecon(tmp, &sock_context) <= 0)
509 sock_context = strdup(no_ctx);
510
511 if (*p == '\0') {
aba5acdf 512 FILE *fp;
fbc0f876 513
116ac927
RH		 514 snprintf(tmp, sizeof(tmp), "%s/%d/stat",
515 root, pid);
aba5acdf 516 if ((fp = fopen(tmp, "r")) != NULL) {
d572ed4d
PS		 517 if (fscanf(fp, "%*d (%[^)])", p) < 1)
518 ; /* ignore */
aba5acdf
SH		 519 fclose(fp);
520 }
521 }
116ac927
RH		 522 user_ent_add(ino, p, pid, fd,
523 pid_context, sock_context);
524 free(sock_context);
aba5acdf 525 }
116ac927 526 free(pid_context);
aba5acdf
SH		 527 closedir(dir1);
528 }
529 closedir(dir);
fbc0f876
SF		 530}
531
116ac927
RH		 532enum entry_types {
533 USERS,
534 PROC_CTX,
535 PROC_SOCK_CTX
536};
537
538#define ENTRY_BUF_SIZE 512
acd1e437 539static int find_entry(unsigned int ino, char **buf, int type)
fbc0f876
SF		 540{
541 struct user_ent *p;
542 int cnt = 0;
543 char *ptr;
532ca40a 544 char *new_buf;
116ac927
RH		 545 int len, new_buf_len;
546 int buf_used = 0;
547 int buf_len = 0;
fbc0f876
SF		 548
549 if (!ino)
550 return 0;
551
552 p = user_ent_hash[user_ent_hashfn(ino)];
116ac927 553 ptr = *buf = NULL;
fbc0f876
SF		 554 while (p) {
555 if (p->ino != ino)
556 goto next;
557
116ac927
RH		 558 while (1) {
559 ptr = *buf + buf_used;
560 switch (type) {
561 case USERS:
562 len = snprintf(ptr, buf_len - buf_used,
563 "(\"%s\",pid=%d,fd=%d),",
564 p->process, p->pid, p->fd);
565 break;
566 case PROC_CTX:
567 len = snprintf(ptr, buf_len - buf_used,
568 "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),",
569 p->process, p->pid,
570 p->process_ctx, p->fd);
571 break;
572 case PROC_SOCK_CTX:
573 len = snprintf(ptr, buf_len - buf_used,
574 "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),",
575 p->process, p->pid,
576 p->process_ctx, p->fd,
577 p->socket_ctx);
578 break;
579 default:
580 fprintf(stderr, "ss: invalid type: %d\n", type);
581 abort();
582 }
fbc0f876 583
116ac927
RH		 584 if (len < 0 || len >= buf_len - buf_used) {
585 new_buf_len = buf_len + ENTRY_BUF_SIZE;
532ca40a 586 new_buf = realloc(*buf, new_buf_len);
116ac927
RH		 587 if (!new_buf) {
588 fprintf(stderr, "ss: failed to malloc buffer\n");
589 abort();
590 }
532ca40a 591 *buf = new_buf;
116ac927
RH		 592 buf_len = new_buf_len;
593 continue;
594 } else {
595 buf_used += len;
596 break;
597 }
598 }
fbc0f876 599 cnt++;
116ac927 600next:
fbc0f876
SF		 601 p = p->next;
602 }
116ac927
RH		 603 if (buf_used) {
604 ptr = *buf + buf_used;
fbc0f876 605 ptr[-1] = '\0';
116ac927 606 }
aba5acdf
SH		 607 return cnt;
608}
609
aba5acdf
SH		 610/* Get stats from slab */
611
acd1e437 612struct slabstat {
aba5acdf
SH		 613 int socks;
614 int tcp_ports;
615 int tcp_tws;
616 int tcp_syns;
617 int skbs;
618};
619
a221d621 620static struct slabstat slabstat;
aba5acdf 621
d1f28cf1 622static int get_slabstat(struct slabstat *s)
aba5acdf
SH		 623{
624 char buf[256];
625 FILE *fp;
626 int cnt;
a221d621 627 static int slabstat_valid;
b3535dd6
PS		 628 static const char * const slabstat_ids[] = {
629 "sock",
630 "tcp_bind_bucket",
631 "tcp_tw_bucket",
632 "tcp_open_request",
633 "skbuff_head_cache",
634 };
a221d621
BL		 635
636 if (slabstat_valid)
637 return 0;
aba5acdf
SH		 638
639 memset(s, 0, sizeof(*s));
640
ab01dbbb
SH		 641 fp = slabinfo_open();
642 if (!fp)
aba5acdf
SH		 643 return -1;
644
645 cnt = sizeof(*s)/sizeof(int);
646
d572ed4d
PS		 647 if (!fgets(buf, sizeof(buf), fp)) {
648 fclose(fp);
649 return -1;
650 }
acd1e437 651 while (fgets(buf, sizeof(buf), fp) != NULL) {
aba5acdf 652 int i;
acd1e437 653
62000e51 654 for (i = 0; i < ARRAY_SIZE(slabstat_ids); i++) {
aba5acdf
SH		 655 if (memcmp(buf, slabstat_ids[i], strlen(slabstat_ids[i])) == 0) {
656 sscanf(buf, "%*s%d", ((int *)s) + i);
657 cnt--;
658 break;
659 }
660 }
661 if (cnt <= 0)
662 break;
663 }
664
a221d621
BL		 665 slabstat_valid = 1;
666
aba5acdf
SH		 667 fclose(fp);
668 return 0;
669}
670
2e7e805d 671static unsigned long long cookie_sk_get(const uint32_t *cookie)
f1b39e1b 672{
2e7e805d 673 return (((unsigned long long)cookie[1] << 31) << 1) | cookie[0];
f1b39e1b
VK		 674}
675
f89d46ad
PS		 676static const char *sctp_sstate_name[] = {
677 [SCTP_STATE_CLOSED] = "CLOSED",
678 [SCTP_STATE_COOKIE_WAIT] = "COOKIE_WAIT",
679 [SCTP_STATE_COOKIE_ECHOED] = "COOKIE_ECHOED",
680 [SCTP_STATE_ESTABLISHED] = "ESTAB",
681 [SCTP_STATE_SHUTDOWN_PENDING] = "SHUTDOWN_PENDING",
682 [SCTP_STATE_SHUTDOWN_SENT] = "SHUTDOWN_SENT",
683 [SCTP_STATE_SHUTDOWN_RECEIVED] = "SHUTDOWN_RECEIVED",
684 [SCTP_STATE_SHUTDOWN_ACK_SENT] = "ACK_SENT",
685};
686
acd1e437 687struct sockstat {
ec4d0d8a
VK		 688 struct sockstat *next;
689 unsigned int type;
89f634f9 690 uint16_t prot;
41fe6c34 691 uint16_t raw_prot;
8250bc9f
VK		 692 inet_prefix local;
693 inet_prefix remote;
694 int lport;
695 int rport;
696 int state;
697 int rq, wq;
acd1e437
SH		 698 unsigned int ino;
699 unsigned int uid;
8250bc9f
VK		 700 int refcnt;
701 unsigned int iface;
702 unsigned long long sk;
99bb68ff
VK		 703 char *name;
704 char *peer_name;
ec75249b 705 __u32 mark;
055840f2
VK		 706};
707
acd1e437 708struct dctcpstat {
055840f2
VK		 709 unsigned int ce_state;
710 unsigned int alpha;
711 unsigned int ab_ecn;
712 unsigned int ab_tot;
713 bool enabled;
714};
715
acd1e437 716struct tcpstat {
055840f2 717 struct sockstat ss;
4cbf5224
PS		 718 unsigned int timer;
719 unsigned int timeout;
8250bc9f 720 int probes;
d2055ea5 721 char cong_alg[16];
8250bc9f 722 double rto, ato, rtt, rttvar;
d1f338b3 723 int qack, ssthresh, backoff;
8250bc9f
VK		 724 double send_bps;
725 int snd_wscale;
726 int rcv_wscale;
727 int mss;
38e6dbc4
ED		 728 int rcv_mss;
729 int advmss;
d1f338b3 730 unsigned int cwnd;
8250bc9f
VK		 731 unsigned int lastsnd;
732 unsigned int lastrcv;
733 unsigned int lastack;
734 double pacing_rate;
735 double pacing_rate_max;
2f579872 736 double delivery_rate;
1a4dda71
ED		 737 unsigned long long bytes_acked;
738 unsigned long long bytes_received;
ecb435ea
CG		 739 unsigned int segs_out;
740 unsigned int segs_in;
414aeec9
MKL		 741 unsigned int data_segs_out;
742 unsigned int data_segs_in;
8250bc9f
VK		 743 unsigned int unacked;
744 unsigned int retrans;
745 unsigned int retrans_total;
746 unsigned int lost;
747 unsigned int sacked;
748 unsigned int fackets;
749 unsigned int reordering;
9e99e495 750 unsigned int not_sent;
8250bc9f 751 double rcv_rtt;
9e99e495 752 double min_rtt;
8250bc9f 753 int rcv_space;
b6c7fc61
YC		 754 unsigned long long busy_time;
755 unsigned long long rwnd_limited;
756 unsigned long long sndbuf_limited;
8250bc9f
VK		 757 bool has_ts_opt;
758 bool has_sack_opt;
759 bool has_ecn_opt;
760 bool has_ecnseen_opt;
761 bool has_fastopen_opt;
762 bool has_wscale_opt;
2f579872 763 bool app_limited;
8250bc9f 764 struct dctcpstat *dctcp;
2f0f9aef 765 struct tcp_bbr_info *bbr_info;
aba5acdf
SH		 766};
767
f89d46ad
PS		 768/* SCTP assocs share the same inode number with their parent endpoint. So if we
769 * have seen the inode number before, it must be an assoc instead of the next
770 * endpoint. */
771static bool is_sctp_assoc(struct sockstat *s, const char *sock_name)
772{
773 if (strcmp(sock_name, "sctp"))
774 return false;
775 if (!sctp_ino || sctp_ino != s->ino)
776 return false;
777 return true;
778}
779
be7e4d20
PS		 780static const char *unix_netid_name(int type)
781{
782 switch (type) {
783 case SOCK_STREAM:
784 return "u_str";
785 case SOCK_SEQPACKET:
786 return "u_seq";
787 case SOCK_DGRAM:
788 default:
789 return "u_dgr";
790 }
791}
792
793static const char *proto_name(int protocol)
2d791bc8 794{
be7e4d20
PS		 795 switch (protocol) {
796 case 0:
797 return "raw";
798 case IPPROTO_UDP:
799 return "udp";
800 case IPPROTO_TCP:
801 return "tcp";
802 case IPPROTO_SCTP:
803 return "sctp";
804 case IPPROTO_DCCP:
805 return "dccp";
572e8936
PS		 806 case IPPROTO_ICMPV6:
807 return "icmp6";
be7e4d20
PS		 808 }
809
810 return "???";
811}
812
c759116a
SH		 813static const char *vsock_netid_name(int type)
814{
815 switch (type) {
816 case SOCK_STREAM:
817 return "v_str";
818 case SOCK_DGRAM:
819 return "v_dgr";
820 default:
821 return "???";
822 }
823}
824
be7e4d20
PS		 825static void sock_state_print(struct sockstat *s)
826{
827 const char *sock_name;
1882c0db
PS		 828 static const char * const sstate_name[] = {
829 "UNKNOWN",
830 [SS_ESTABLISHED] = "ESTAB",
831 [SS_SYN_SENT] = "SYN-SENT",
832 [SS_SYN_RECV] = "SYN-RECV",
833 [SS_FIN_WAIT1] = "FIN-WAIT-1",
834 [SS_FIN_WAIT2] = "FIN-WAIT-2",
835 [SS_TIME_WAIT] = "TIME-WAIT",
836 [SS_CLOSE] = "UNCONN",
837 [SS_CLOSE_WAIT] = "CLOSE-WAIT",
838 [SS_LAST_ACK] = "LAST-ACK",
839 [SS_LISTEN] = "LISTEN",
840 [SS_CLOSING] = "CLOSING",
841 };
be7e4d20
PS		 842
843 switch (s->local.family) {
844 case AF_UNIX:
845 sock_name = unix_netid_name(s->type);
846 break;
847 case AF_INET:
848 case AF_INET6:
849 sock_name = proto_name(s->type);
850 break;
851 case AF_PACKET:
852 sock_name = s->type == SOCK_RAW ? "p_raw" : "p_dgr";
853 break;
854 case AF_NETLINK:
855 sock_name = "nl";
856 break;
c759116a
SH		 857 case AF_VSOCK:
858 sock_name = vsock_netid_name(s->type);
859 break;
be7e4d20
PS		 860 default:
861 sock_name = "unknown";
862 }
863
2d791bc8 864 if (netid_width)
f89d46ad
PS		 865 printf("%-*s ", netid_width,
866 is_sctp_assoc(s, sock_name) ? "" : sock_name);
867 if (state_width) {
868 if (is_sctp_assoc(s, sock_name))
869 printf("`- %-*s ", state_width - 3,
870 sctp_sstate_name[s->state]);
871 else
872 printf("%-*s ", state_width, sstate_name[s->state]);
873 }
2d791bc8 874
4357f5c3 875 printf("%-6d %-6d %s", s->rq, s->wq, odd_width_pad);
2d791bc8
VK		 876}
877
f1b39e1b
VK		 878static void sock_details_print(struct sockstat *s)
879{
880 if (s->uid)
881 printf(" uid:%u", s->uid);
882
883 printf(" ino:%u", s->ino);
884 printf(" sk:%llx", s->sk);
ec75249b
LC		 885
886 if (s->mark)
887 printf(" fwmark:0x%x", s->mark);
f1b39e1b
VK		 888}
889
b217df10
VK		 890static void sock_addr_print_width(int addr_len, const char *addr, char *delim,
891 int port_len, const char *port, const char *ifname)
892{
893 if (ifname) {
894 printf("%*s%%%s%s%-*s ", addr_len, addr, ifname, delim,
895 port_len, port);
acd1e437 896 } else {
b217df10
VK		 897 printf("%*s%s%-*s ", addr_len, addr, delim, port_len, port);
898 }
899}
900
901static void sock_addr_print(const char *addr, char *delim, const char *port,
902 const char *ifname)
903{
904 sock_addr_print_width(addr_width, addr, delim, serv_width, port, ifname);
905}
906
4cbf5224 907static const char *print_ms_timer(unsigned int timeout)
aba5acdf
SH		 908{
909 static char buf[64];
910 int secs, msecs, minutes;
acd1e437 911
aba5acdf
SH		 912 secs = timeout/1000;
913 minutes = secs/60;
914 secs = secs%60;
915 msecs = timeout%1000;
916 buf[0] = 0;
917 if (minutes) {
918 msecs = 0;
919 snprintf(buf, sizeof(buf)-16, "%dmin", minutes);
920 if (minutes > 9)
921 secs = 0;
922 }
923 if (secs) {
924 if (secs > 9)
925 msecs = 0;
926 sprintf(buf+strlen(buf), "%d%s", secs, msecs ? "." : "sec");
927 }
928 if (msecs)
929 sprintf(buf+strlen(buf), "%03dms", msecs);
930 return buf;
e7113c61 931}
aba5acdf 932
22588a0e 933struct scache {
aba5acdf
SH		 934 struct scache *next;
935 int port;
936 char *name;
937 const char *proto;
938};
939
940struct scache *rlist;
941
d1f28cf1 942static void init_service_resolver(void)
aba5acdf
SH		 943{
944 char buf[128];
945 FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r");
596307ea
PS		 946
947 if (!fp)
948 return;
949
950 if (!fgets(buf, sizeof(buf), fp)) {
2bcc3c16 951 pclose(fp);
596307ea
PS		 952 return;
953 }
954 while (fgets(buf, sizeof(buf), fp) != NULL) {
955 unsigned int progn, port;
956 char proto[128], prog[128] = "rpc.";
957 struct scache *c;
958
959 if (sscanf(buf, "%u %*d %s %u %s",
acd1e437 960 &progn, proto, &port, prog+4) != 4)
596307ea
PS		 961 continue;
962
963 if (!(c = malloc(sizeof(*c))))
964 continue;
965
966 c->port = port;
967 c->name = strdup(prog);
968 if (strcmp(proto, TCP_PROTO) == 0)
969 c->proto = TCP_PROTO;
970 else if (strcmp(proto, UDP_PROTO) == 0)
971 c->proto = UDP_PROTO;
f89d46ad
PS		 972 else if (strcmp(proto, SCTP_PROTO) == 0)
973 c->proto = SCTP_PROTO;
596307ea
PS		 974 else
975 c->proto = NULL;
976 c->next = rlist;
977 rlist = c;
aba5acdf 978 }
596307ea 979 pclose(fp);
aba5acdf
SH		 980}
981
ab61159a
SH		 982/* Even do not try default linux ephemeral port ranges:
983 * default /etc/services contains so much of useless crap
984 * wouldbe "allocated" to this area that resolution
985 * is really harmful. I shrug each time when seeing
986 * "socks" or "cfinger" in dumps.
987 */
988static int is_ephemeral(int port)
989{
acd1e437 990 static int min = 0, max;
c29d3792
PS		 991
992 if (!min) {
ab01dbbb 993 FILE *f = ephemeral_ports_open();
acd1e437 994
c29d3792
PS		 995 if (!f || fscanf(f, "%d %d", &min, &max) < 2) {
996 min = 1024;
997 max = 4999;
ab61159a 998 }
c29d3792
PS		 999 if (f)
1000 fclose(f);
ab61159a 1001 }
c29d3792 1002 return port >= min && port <= max;
ab61159a
SH		 1003}
1004
1005
d1f28cf1 1006static const char *__resolve_service(int port)
aba5acdf
SH		 1007{
1008 struct scache *c;
1009
1010 for (c = rlist; c; c = c->next) {
1011 if (c->port == port && c->proto == dg_proto)
1012 return c->name;
1013 }
1014
ab61159a 1015 if (!is_ephemeral(port)) {
aba5acdf
SH		 1016 static int notfirst;
1017 struct servent *se;
acd1e437 1018
aba5acdf
SH		 1019 if (!notfirst) {
1020 setservent(1);
1021 notfirst = 1;
ae665a52 1022 }
aba5acdf
SH		 1023 se = getservbyport(htons(port), dg_proto);
1024 if (se)
1025 return se->s_name;
1026 }
1027
1028 return NULL;
1029}
1030
22588a0e
ED		 1031#define SCACHE_BUCKETS 1024
1032static struct scache *cache_htab[SCACHE_BUCKETS];
aba5acdf 1033
d1f28cf1 1034static const char *resolve_service(int port)
aba5acdf
SH		 1035{
1036 static char buf[128];
22588a0e
ED		 1037 struct scache *c;
1038 const char *res;
1039 int hash;
aba5acdf
SH		 1040
1041 if (port == 0) {
1042 buf[0] = '*';
1043 buf[1] = 0;
1044 return buf;
1045 }
1046
22588a0e
ED		 1047 if (!resolve_services)
1048 goto do_numeric;
aba5acdf 1049
22588a0e
ED		 1050 if (dg_proto == RAW_PROTO)
1051 return inet_proto_n2a(port, buf, sizeof(buf));
1052
1053
1054 hash = (port^(((unsigned long)dg_proto)>>2)) % SCACHE_BUCKETS;
1055
1056 for (c = cache_htab[hash]; c; c = c->next) {
1057 if (c->port == port && c->proto == dg_proto)
1058 goto do_cache;
aba5acdf
SH		 1059 }
1060
22588a0e
ED		 1061 c = malloc(sizeof(*c));
1062 if (!c)
1063 goto do_numeric;
1064 res = __resolve_service(port);
1065 c->port = port;
1066 c->name = res ? strdup(res) : NULL;
1067 c->proto = dg_proto;
1068 c->next = cache_htab[hash];
1069 cache_htab[hash] = c;
1070
1071do_cache:
1072 if (c->name)
1073 return c->name;
1074
1075do_numeric:
aba5acdf
SH		 1076 sprintf(buf, "%u", port);
1077 return buf;
1078}
1079
1267c0b9
PS		 1080static void inet_addr_print(const inet_prefix *a, int port,
1081 unsigned int ifindex, bool v6only)
aba5acdf
SH		 1082{
1083 char buf[1024];
1084 const char *ap = buf;
b217df10
VK		 1085 int est_len = addr_width;
1086 const char *ifname = NULL;
aba5acdf
SH		 1087
1088 if (a->family == AF_INET) {
1267c0b9 1089 ap = format_host(AF_INET, 4, a->data);
aba5acdf 1090 } else {
1267c0b9
PS		 1091 if (!v6only &&
1092 !memcmp(a->data, &in6addr_any, sizeof(in6addr_any))) {
aba9c23a
SH		 1093 buf[0] = '*';
1094 buf[1] = 0;
1095 } else {
1096 ap = format_host(a->family, 16, a->data);
1097
1098 /* Numeric IPv6 addresses should be bracketed */
1099 if (strchr(ap, ':')) {
1100 snprintf(buf, sizeof(buf),
1101 "[%s]", ap);
1102 ap = buf;
1103 }
1104
1105 est_len = strlen(ap);
1106 if (est_len <= addr_width)
1107 est_len = addr_width;
1108 else
1109 est_len = addr_width + ((est_len-addr_width+3)/4)*4;
1110 }
aba5acdf 1111 }
b217df10 1112
7c8a3cfb 1113 if (ifindex) {
b217df10
VK		 1114 ifname = ll_index_to_name(ifindex);
1115 est_len -= strlen(ifname) + 1; /* +1 for percent char */
4fcfb6bc
MS		 1116 if (est_len < 0)
1117 est_len = 0;
b217df10 1118 }
7c8a3cfb 1119
b217df10
VK		 1120 sock_addr_print_width(est_len, ap, ":", serv_width, resolve_service(port),
1121 ifname);
aba5acdf
SH		 1122}
1123
acd1e437 1124struct aafilter {
aba5acdf
SH		 1125 inet_prefix addr;
1126 int port;
2d293212 1127 unsigned int iface;
ec75249b
LC		 1128 __u32 mark;
1129 __u32 mask;
aba5acdf
SH		 1130 struct aafilter *next;
1131};
1132
d1f28cf1
SH		 1133static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p,
1134 int plen)
aba5acdf
SH		 1135{
1136 if (!inet_addr_match(a, p, plen))
1137 return 0;
7d105b56 1138
aba5acdf
SH		 1139 /* Cursed "v4 mapped" addresses: v4 mapped socket matches
1140 * pure IPv4 rule, but v4-mapped rule selects only v4-mapped
1141 * sockets. Fair? */
1142 if (p->family == AF_INET && a->family == AF_INET6) {
1143 if (a->data[0] == 0 && a->data[1] == 0 &&
1144 a->data[2] == htonl(0xffff)) {
1145 inet_prefix tmp = *a;
acd1e437 1146
aba5acdf
SH		 1147 tmp.data[0] = a->data[3];
1148 return inet_addr_match(&tmp, p, plen);
1149 }
1150 }
1151 return 1;
1152}
1153
d1f28cf1 1154static int unix_match(const inet_prefix *a, const inet_prefix *p)
aba5acdf 1155{
99bb68ff 1156 char *addr, *pattern;
acd1e437 1157
99bb68ff
VK		 1158 memcpy(&addr, a->data, sizeof(addr));
1159 memcpy(&pattern, p->data, sizeof(pattern));
aba5acdf
SH		 1160 if (pattern == NULL)
1161 return 1;
1162 if (addr == NULL)
1163 addr = "";
1164 return !fnmatch(pattern, addr, 0);
1165}
1166
055840f2 1167static int run_ssfilter(struct ssfilter *f, struct sockstat *s)
aba5acdf
SH		 1168{
1169 switch (f->type) {
1170 case SSF_S_AUTO:
1171 {
aba5acdf 1172 if (s->local.family == AF_UNIX) {
99bb68ff 1173 char *p;
acd1e437 1174
99bb68ff 1175 memcpy(&p, s->local.data, sizeof(p));
aba5acdf 1176 return p == NULL || (p[0] == '@' && strlen(p) == 6 &&
ae665a52 1177 strspn(p+1, "0123456789abcdef") == 5);
aba5acdf
SH		 1178 }
1179 if (s->local.family == AF_PACKET)
bbd303d1 1180 return s->lport == 0 && s->local.data[0] == 0;
aba5acdf
SH		 1181 if (s->local.family == AF_NETLINK)
1182 return s->lport < 0;
c759116a
SH		 1183 if (s->local.family == AF_VSOCK)
1184 return s->lport > 1023;
aba5acdf 1185
c29d3792 1186 return is_ephemeral(s->lport);
aba5acdf
SH		 1187 }
1188 case SSF_DCOND:
1189 {
acd1e437
SH		 1190 struct aafilter *a = (void *)f->pred;
1191
aba5acdf
SH		 1192 if (a->addr.family == AF_UNIX)
1193 return unix_match(&s->remote, &a->addr);
1194 if (a->port != -1 && a->port != s->rport)
1195 return 0;
1196 if (a->addr.bitlen) {
1197 do {
1198 if (!inet2_addr_match(&s->remote, &a->addr, a->addr.bitlen))
1199 return 1;
1200 } while ((a = a->next) != NULL);
1201 return 0;
1202 }
1203 return 1;
1204 }
1205 case SSF_SCOND:
1206 {
acd1e437
SH		 1207 struct aafilter *a = (void *)f->pred;
1208
aba5acdf
SH		 1209 if (a->addr.family == AF_UNIX)
1210 return unix_match(&s->local, &a->addr);
1211 if (a->port != -1 && a->port != s->lport)
1212 return 0;
1213 if (a->addr.bitlen) {
1214 do {
1215 if (!inet2_addr_match(&s->local, &a->addr, a->addr.bitlen))
1216 return 1;
ae665a52 1217 } while ((a = a->next) != NULL);
aba5acdf
SH		 1218 return 0;
1219 }
1220 return 1;
1221 }
1222 case SSF_D_GE:
1223 {
acd1e437
SH		 1224 struct aafilter *a = (void *)f->pred;
1225
aba5acdf
SH		 1226 return s->rport >= a->port;
1227 }
1228 case SSF_D_LE:
1229 {
acd1e437
SH		 1230 struct aafilter *a = (void *)f->pred;
1231
aba5acdf
SH		 1232 return s->rport <= a->port;
1233 }
1234 case SSF_S_GE:
1235 {
acd1e437
SH		 1236 struct aafilter *a = (void *)f->pred;
1237
aba5acdf
SH		 1238 return s->lport >= a->port;
1239 }
1240 case SSF_S_LE:
1241 {
acd1e437
SH		 1242 struct aafilter *a = (void *)f->pred;
1243
aba5acdf
SH		 1244 return s->lport <= a->port;
1245 }
2d293212
DA		 1246 case SSF_DEVCOND:
1247 {
1248 struct aafilter *a = (void *)f->pred;
aba5acdf 1249
2d293212 1250 return s->iface == a->iface;
ec75249b
LC		 1251 }
1252 case SSF_MARKMASK:
1253 {
1254 struct aafilter *a = (void *)f->pred;
1255
1256 return (s->mark & a->mask) == a->mark;
2d293212 1257 }
aba5acdf
SH		 1258 /* Yup. It is recursion. Sorry. */
1259 case SSF_AND:
1260 return run_ssfilter(f->pred, s) && run_ssfilter(f->post, s);
1261 case SSF_OR:
1262 return run_ssfilter(f->pred, s) || run_ssfilter(f->post, s);
1263 case SSF_NOT:
1264 return !run_ssfilter(f->pred, s);
1265 default:
1266 abort();
1267 }
1268}
1269
ae665a52 1270/* Relocate external jumps by reloc. */
b4b0b7d5 1271static void ssfilter_patch(char *a, int len, int reloc)
aba5acdf
SH		 1272{
1273 while (len > 0) {
acd1e437
SH		 1274 struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)a;
1275
aba5acdf
SH		 1276 if (op->no == len+4)
1277 op->no += reloc;
1278 len -= op->yes;
1279 a += op->yes;
1280 }
1281 if (len < 0)
1282 abort();
1283}
1284
b4b0b7d5 1285static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode)
aba5acdf
SH		 1286{
1287 switch (f->type) {
1288 case SSF_S_AUTO:
1289 {
acd1e437
SH		 1290 if (!(*bytecode = malloc(4))) abort();
1291 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 };
df39de8d 1292 return 4;
aba5acdf
SH		 1293 }
1294 case SSF_DCOND:
1295 case SSF_SCOND:
1296 {
acd1e437 1297 struct aafilter *a = (void *)f->pred;
aba5acdf
SH		 1298 struct aafilter *b;
1299 char *ptr;
351efcde 1300 int code = (f->type == SSF_DCOND ? INET_DIAG_BC_D_COND : INET_DIAG_BC_S_COND);
aba5acdf
SH		 1301 int len = 0;
1302
acd1e437 1303 for (b = a; b; b = b->next) {
351efcde 1304 len += 4 + sizeof(struct inet_diag_hostcond);
aba5acdf
SH		 1305 if (a->addr.family == AF_INET6)
1306 len += 16;
1307 else
1308 len += 4;
1309 if (b->next)
1310 len += 4;
1311 }
1312 if (!(ptr = malloc(len))) abort();
1313 *bytecode = ptr;
acd1e437 1314 for (b = a; b; b = b->next) {
351efcde 1315 struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)ptr;
aba5acdf 1316 int alen = (a->addr.family == AF_INET6 ? 16 : 4);
351efcde 1317 int oplen = alen + 4 + sizeof(struct inet_diag_hostcond);
acd1e437 1318 struct inet_diag_hostcond *cond = (struct inet_diag_hostcond *)(ptr+4);
aba5acdf 1319
351efcde 1320 *op = (struct inet_diag_bc_op){ code, oplen, oplen+4 };
aba5acdf
SH		 1321 cond->family = a->addr.family;
1322 cond->port = a->port;
1323 cond->prefix_len = a->addr.bitlen;
1324 memcpy(cond->addr, a->addr.data, alen);
1325 ptr += oplen;
1326 if (b->next) {
351efcde
SH		 1327 op = (struct inet_diag_bc_op *)ptr;
1328 *op = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, len - (ptr-*bytecode)};
aba5acdf
SH		 1329 ptr += 4;
1330 }
1331 }
1332 return ptr - *bytecode;
1333 }
1334 case SSF_D_GE:
1335 {
acd1e437
SH		 1336 struct aafilter *x = (void *)f->pred;
1337
1338 if (!(*bytecode = malloc(8))) abort();
1339 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_GE, 8, 12 };
1340 ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port };
aba5acdf
SH		 1341 return 8;
1342 }
1343 case SSF_D_LE:
1344 {
acd1e437
SH		 1345 struct aafilter *x = (void *)f->pred;
1346
1347 if (!(*bytecode = malloc(8))) abort();
1348 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_LE, 8, 12 };
1349 ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port };
aba5acdf
SH		 1350 return 8;
1351 }
1352 case SSF_S_GE:
1353 {
acd1e437
SH		 1354 struct aafilter *x = (void *)f->pred;
1355
1356 if (!(*bytecode = malloc(8))) abort();
1357 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_GE, 8, 12 };
1358 ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port };
aba5acdf
SH		 1359 return 8;
1360 }
1361 case SSF_S_LE:
1362 {
acd1e437
SH		 1363 struct aafilter *x = (void *)f->pred;
1364
1365 if (!(*bytecode = malloc(8))) abort();
1366 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_LE, 8, 12 };
1367 ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port };
aba5acdf
SH		 1368 return 8;
1369 }
1370
1371 case SSF_AND:
1372 {
376fb868 1373 char *a1 = NULL, *a2 = NULL, *a;
2a4fa1c3 1374 int l1, l2;
acd1e437 1375
aba5acdf
SH		 1376 l1 = ssfilter_bytecompile(f->pred, &a1);
1377 l2 = ssfilter_bytecompile(f->post, &a2);
376fb868
DA		 1378 if (!l1 || !l2) {
1379 free(a1);
1380 free(a2);
1381 return 0;
1382 }
aba5acdf
SH		 1383 if (!(a = malloc(l1+l2))) abort();
1384 memcpy(a, a1, l1);
1385 memcpy(a+l1, a2, l2);
1386 free(a1); free(a2);
1387 ssfilter_patch(a, l1, l2);
1388 *bytecode = a;
1389 return l1+l2;
1390 }
1391 case SSF_OR:
1392 {
376fb868 1393 char *a1 = NULL, *a2 = NULL, *a;
2a4fa1c3 1394 int l1, l2;
acd1e437 1395
aba5acdf
SH		 1396 l1 = ssfilter_bytecompile(f->pred, &a1);
1397 l2 = ssfilter_bytecompile(f->post, &a2);
376fb868
DA		 1398 if (!l1 || !l2) {
1399 free(a1);
1400 free(a2);
1401 return 0;
1402 }
aba5acdf
SH		 1403 if (!(a = malloc(l1+l2+4))) abort();
1404 memcpy(a, a1, l1);
1405 memcpy(a+l1+4, a2, l2);
1406 free(a1); free(a2);
acd1e437 1407 *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, l2+4 };
aba5acdf
SH		 1408 *bytecode = a;
1409 return l1+l2+4;
1410 }
1411 case SSF_NOT:
1412 {
376fb868 1413 char *a1 = NULL, *a;
2a4fa1c3 1414 int l1;
acd1e437 1415
aba5acdf 1416 l1 = ssfilter_bytecompile(f->pred, &a1);
376fb868
DA		 1417 if (!l1) {
1418 free(a1);
1419 return 0;
1420 }
aba5acdf
SH		 1421 if (!(a = malloc(l1+4))) abort();
1422 memcpy(a, a1, l1);
1423 free(a1);
acd1e437 1424 *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, 8 };
aba5acdf
SH		 1425 *bytecode = a;
1426 return l1+4;
2d293212
DA		 1427 }
1428 case SSF_DEVCOND:
1429 {
1430 /* bytecompile for SSF_DEVCOND not supported yet */
1431 return 0;
ec75249b
LC		 1432 }
1433 case SSF_MARKMASK:
1434 {
1435 struct aafilter *a = (void *)f->pred;
1436 struct instr {
1437 struct inet_diag_bc_op op;
1438 struct inet_diag_markcond cond;
1439 };
1440 int inslen = sizeof(struct instr);
1441
1442 if (!(*bytecode = malloc(inslen))) abort();
1443 ((struct instr *)*bytecode)[0] = (struct instr) {
1444 { INET_DIAG_BC_MARK_COND, inslen, inslen + 4 },
1445 { a->mark, a->mask},
1446 };
1447
1448 return inslen;
aba5acdf
SH		 1449 }
1450 default:
1451 abort();
1452 }
1453}
1454
b4b0b7d5 1455static int remember_he(struct aafilter *a, struct hostent *he)
aba5acdf 1456{
ae665a52 1457 char **ptr = he->h_addr_list;
aba5acdf
SH		 1458 int cnt = 0;
1459 int len;
1460
1461 if (he->h_addrtype == AF_INET)
1462 len = 4;
1463 else if (he->h_addrtype == AF_INET6)
1464 len = 16;
1465 else
1466 return 0;
1467
1468 while (*ptr) {
1469 struct aafilter *b = a;
acd1e437 1470
aba5acdf
SH		 1471 if (a->addr.bitlen) {
1472 if ((b = malloc(sizeof(*b))) == NULL)
1473 return cnt;
1474 *b = *a;
aba5acdf
SH		 1475 a->next = b;
1476 }
1477 memcpy(b->addr.data, *ptr, len);
1478 b->addr.bytelen = len;
1479 b->addr.bitlen = len*8;
1480 b->addr.family = he->h_addrtype;
1481 ptr++;
1482 cnt++;
1483 }
1484 return cnt;
1485}
1486
b4b0b7d5 1487static int get_dns_host(struct aafilter *a, const char *addr, int fam)
aba5acdf
SH		 1488{
1489 static int notfirst;
1490 int cnt = 0;
1491 struct hostent *he;
1492
1493 a->addr.bitlen = 0;
1494 if (!notfirst) {
1495 sethostent(1);
1496 notfirst = 1;
1497 }
1498 he = gethostbyname2(addr, fam == AF_UNSPEC ? AF_INET : fam);
1499 if (he)
1500 cnt = remember_he(a, he);
1501 if (fam == AF_UNSPEC) {
1502 he = gethostbyname2(addr, AF_INET6);
1503 if (he)
1504 cnt += remember_he(a, he);
1505 }
1506 return !cnt;
1507}
1508
acd1e437 1509static int xll_initted;
aba5acdf 1510
b4b0b7d5 1511static void xll_init(void)
aba5acdf
SH		 1512{
1513 struct rtnl_handle rth;
acd1e437 1514
d2468da0
SH		 1515 if (rtnl_open(&rth, 0) < 0)
1516 exit(1);
1517
aba5acdf
SH		 1518 ll_init_map(&rth);
1519 rtnl_close(&rth);
1520 xll_initted = 1;
1521}
1522
b4b0b7d5 1523static const char *xll_index_to_name(int index)
aba5acdf
SH		 1524{
1525 if (!xll_initted)
1526 xll_init();
1527 return ll_index_to_name(index);
1528}
1529
b4b0b7d5 1530static int xll_name_to_index(const char *dev)
aba5acdf
SH		 1531{
1532 if (!xll_initted)
1533 xll_init();
1534 return ll_name_to_index(dev);
1535}
1536
2d293212
DA		 1537void *parse_devcond(char *name)
1538{
1539 struct aafilter a = { .iface = 0 };
1540 struct aafilter *res;
1541
1542 a.iface = xll_name_to_index(name);
1543 if (a.iface == 0) {
1544 char *end;
930d3f28 1545 unsigned long n;
2d293212 1546
930d3f28
DA		 1547 n = strtoul(name, &end, 0);
1548 if (!end || end == name || *end || n > UINT_MAX)
2d293212 1549 return NULL;
930d3f28
DA		 1550
1551 a.iface = n;
2d293212
DA		 1552 }
1553
1554 res = malloc(sizeof(*res));
1555 *res = a;
1556
1557 return res;
1558}
1559
c759116a
SH		 1560static void vsock_set_inet_prefix(inet_prefix *a, __u32 cid)
1561{
1562 *a = (inet_prefix){
1563 .bytelen = sizeof(cid),
1564 .family = AF_VSOCK,
1565 };
1566 memcpy(a->data, &cid, sizeof(cid));
1567}
1568
7871f7db 1569void *parse_hostcond(char *addr, bool is_port)
aba5acdf
SH		 1570{
1571 char *port = NULL;
1527a17e 1572 struct aafilter a = { .port = -1 };
aba5acdf 1573 struct aafilter *res;
1527a17e 1574 int fam = preferred_family;
9db7bf15 1575 struct filter *f = &current_filter;
aba5acdf 1576
1527a17e 1577 if (fam == AF_UNIX || strncmp(addr, "unix:", 5) == 0) {
aba5acdf 1578 char *p;
acd1e437 1579
aba5acdf
SH		 1580 a.addr.family = AF_UNIX;
1581 if (strncmp(addr, "unix:", 5) == 0)
acd1e437 1582 addr += 5;
aba5acdf
SH		 1583 p = strdup(addr);
1584 a.addr.bitlen = 8*strlen(p);
99bb68ff 1585 memcpy(a.addr.data, &p, sizeof(p));
9db7bf15 1586 fam = AF_UNIX;
aba5acdf
SH		 1587 goto out;
1588 }
1589
1527a17e 1590 if (fam == AF_PACKET || strncmp(addr, "link:", 5) == 0) {
aba5acdf
SH		 1591 a.addr.family = AF_PACKET;
1592 a.addr.bitlen = 0;
1593 if (strncmp(addr, "link:", 5) == 0)
acd1e437 1594 addr += 5;
aba5acdf
SH		 1595 port = strchr(addr, ':');
1596 if (port) {
1597 *port = 0;
1598 if (port[1] && strcmp(port+1, "*")) {
1599 if (get_integer(&a.port, port+1, 0)) {
1600 if ((a.port = xll_name_to_index(port+1)) <= 0)
1601 return NULL;
1602 }
1603 }
1604 }
1605 if (addr[0] && strcmp(addr, "*")) {
1606 unsigned short tmp;
acd1e437 1607
aba5acdf
SH		 1608 a.addr.bitlen = 32;
1609 if (ll_proto_a2n(&tmp, addr))
1610 return NULL;
1611 a.addr.data[0] = ntohs(tmp);
1612 }
9db7bf15 1613 fam = AF_PACKET;
aba5acdf
SH		 1614 goto out;
1615 }
1616
1527a17e 1617 if (fam == AF_NETLINK || strncmp(addr, "netlink:", 8) == 0) {
aba5acdf
SH		 1618 a.addr.family = AF_NETLINK;
1619 a.addr.bitlen = 0;
1620 if (strncmp(addr, "netlink:", 8) == 0)
acd1e437 1621 addr += 8;
aba5acdf
SH		 1622 port = strchr(addr, ':');
1623 if (port) {
1624 *port = 0;
1625 if (port[1] && strcmp(port+1, "*")) {
1626 if (get_integer(&a.port, port+1, 0)) {
1627 if (strcmp(port+1, "kernel") == 0)
1628 a.port = 0;
1629 else
1630 return NULL;
1631 }
1632 }
1633 }
1634 if (addr[0] && strcmp(addr, "*")) {
1635 a.addr.bitlen = 32;
b00daf6a 1636 if (nl_proto_a2n(&a.addr.data[0], addr) == -1)
1637 return NULL;
aba5acdf 1638 }
9db7bf15 1639 fam = AF_NETLINK;
aba5acdf
SH		 1640 goto out;
1641 }
1642
c759116a
SH		 1643 if (fam == AF_VSOCK || strncmp(addr, "vsock:", 6) == 0) {
1644 __u32 cid = ~(__u32)0;
1645
1646 a.addr.family = AF_VSOCK;
1647 if (strncmp(addr, "vsock:", 6) == 0)
1648 addr += 6;
1649
1650 if (is_port)
1651 port = addr;
1652 else {
1653 port = strchr(addr, ':');
1654 if (port) {
1655 *port = '\0';
1656 port++;
1657 }
1658 }
1659
1660 if (port && strcmp(port, "*") &&
1661 get_u32((__u32 *)&a.port, port, 0))
1662 return NULL;
1663
1664 if (addr[0] && strcmp(addr, "*")) {
1665 a.addr.bitlen = 32;
1666 if (get_u32(&cid, addr, 0))
1667 return NULL;
1668 }
1669 vsock_set_inet_prefix(&a.addr, cid);
1670 fam = AF_VSOCK;
1671 goto out;
1672 }
1673
1527a17e 1674 if (fam == AF_INET || !strncmp(addr, "inet:", 5)) {
aba5acdf 1675 fam = AF_INET;
1527a17e
VK		 1676 if (!strncmp(addr, "inet:", 5))
1677 addr += 5;
1678 } else if (fam == AF_INET6 || !strncmp(addr, "inet6:", 6)) {
aba5acdf 1679 fam = AF_INET6;
1527a17e
VK		 1680 if (!strncmp(addr, "inet6:", 6))
1681 addr += 6;
aba5acdf
SH		 1682 }
1683
1684 /* URL-like literal [] */
1685 if (addr[0] == '[') {
1686 addr++;
1687 if ((port = strchr(addr, ']')) == NULL)
1688 return NULL;
1689 *port++ = 0;
1690 } else if (addr[0] == '*') {
1691 port = addr+1;
1692 } else {
1693 port = strrchr(strchr(addr, '/') ? : addr, ':');
1694 }
7871f7db
VK		 1695
1696 if (is_port)
1697 port = addr;
1698
aba5acdf 1699 if (port && *port) {
7871f7db
VK		 1700 if (*port == ':')
1701 *port++ = 0;
1702
aba5acdf
SH		 1703 if (*port && *port != '*') {
1704 if (get_integer(&a.port, port, 0)) {
1705 struct servent *se1 = NULL;
1706 struct servent *se2 = NULL;
acd1e437 1707
aba5acdf
SH		 1708 if (current_filter.dbs&(1<<UDP_DB))
1709 se1 = getservbyname(port, UDP_PROTO);
1710 if (current_filter.dbs&(1<<TCP_DB))
1711 se2 = getservbyname(port, TCP_PROTO);
1712 if (se1 && se2 && se1->s_port != se2->s_port) {
1713 fprintf(stderr, "Error: ambiguous port \"%s\".\n", port);
1714 return NULL;
1715 }
1716 if (!se1)
1717 se1 = se2;
1718 if (se1) {
1719 a.port = ntohs(se1->s_port);
1720 } else {
1721 struct scache *s;
acd1e437 1722
aba5acdf
SH		 1723 for (s = rlist; s; s = s->next) {
1724 if ((s->proto == UDP_PROTO &&
1725 (current_filter.dbs&(1<<UDP_DB))) ||
1726 (s->proto == TCP_PROTO &&
1727 (current_filter.dbs&(1<<TCP_DB)))) {
1728 if (s->name && strcmp(s->name, port) == 0) {
1729 if (a.port > 0 && a.port != s->port) {
1730 fprintf(stderr, "Error: ambiguous port \"%s\".\n", port);
1731 return NULL;
1732 }
1733 a.port = s->port;
1734 }
1735 }
1736 }
1737 if (a.port <= 0) {
1738 fprintf(stderr, "Error: \"%s\" does not look like a port.\n", port);
1739 return NULL;
1740 }
1741 }
1742 }
1743 }
1744 }
44448a90 1745 if (!is_port && *addr && *addr != '*') {
aba5acdf
SH		 1746 if (get_prefix_1(&a.addr, addr, fam)) {
1747 if (get_dns_host(&a, addr, fam)) {
1748 fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", addr);
1749 return NULL;
1750 }
1751 }
1752 }
1753
9db7bf15 1754out:
1527a17e 1755 if (fam != AF_UNSPEC) {
e56a959e 1756 int states = f->states;
1527a17e 1757 f->families = 0;
9db7bf15 1758 filter_af_set(f, fam);
e56a959e 1759 filter_states_set(f, states);
1527a17e 1760 }
9db7bf15 1761
aba5acdf
SH		 1762 res = malloc(sizeof(*res));
1763 if (res)
1764 memcpy(res, &a, sizeof(a));
1765 return res;
1766}
1767
ec75249b
LC		 1768void *parse_markmask(const char *markmask)
1769{
1770 struct aafilter a, *res;
1771
1772 if (strchr(markmask, '/')) {
1773 if (sscanf(markmask, "%i/%i", &a.mark, &a.mask) != 2)
1774 return NULL;
1775 } else {
1776 a.mask = 0xffffffff;
1777 if (sscanf(markmask, "%i", &a.mark) != 1)
1778 return NULL;
1779 }
1780
1781 res = malloc(sizeof(*res));
1782 if (res)
1783 memcpy(res, &a, sizeof(a));
1784 return res;
1785}
1786
5f27ac1d 1787static void proc_ctx_print(struct sockstat *s)
8250bc9f 1788{
5f27ac1d 1789 char *buf;
8250bc9f 1790
8250bc9f
VK		 1791 if (show_proc_ctx || show_sock_ctx) {
1792 if (find_entry(s->ino, &buf,
1793 (show_proc_ctx & show_sock_ctx) ?
1794 PROC_SOCK_CTX : PROC_CTX) > 0) {
1795 printf(" users:(%s)", buf);
1796 free(buf);
1797 }
1798 } else if (show_users) {
1799 if (find_entry(s->ino, &buf, USERS) > 0) {
1800 printf(" users:(%s)", buf);
1801 free(buf);
1802 }
1803 }
1804}
1805
1267c0b9 1806static void inet_stats_print(struct sockstat *s, bool v6only)
5f27ac1d
PS		 1807{
1808 sock_state_print(s);
1809
1267c0b9
PS		 1810 inet_addr_print(&s->local, s->lport, s->iface, v6only);
1811 inet_addr_print(&s->remote, s->rport, 0, v6only);
5f27ac1d
PS		 1812
1813 proc_ctx_print(s);
1814}
1815
055840f2 1816static int proc_parse_inet_addr(char *loc, char *rem, int family, struct
acd1e437 1817 sockstat * s)
8250bc9f
VK		 1818{
1819 s->local.family = s->remote.family = family;
1820 if (family == AF_INET) {
acd1e437
SH		 1821 sscanf(loc, "%x:%x", s->local.data, (unsigned *)&s->lport);
1822 sscanf(rem, "%x:%x", s->remote.data, (unsigned *)&s->rport);
8250bc9f
VK		 1823 s->local.bytelen = s->remote.bytelen = 4;
1824 return 0;
1825 } else {
1826 sscanf(loc, "%08x%08x%08x%08x:%x",
1827 s->local.data,
1828 s->local.data + 1,
1829 s->local.data + 2,
1830 s->local.data + 3,
1831 &s->lport);
1832 sscanf(rem, "%08x%08x%08x%08x:%x",
1833 s->remote.data,
1834 s->remote.data + 1,
1835 s->remote.data + 2,
1836 s->remote.data + 3,
1837 &s->rport);
1838 s->local.bytelen = s->remote.bytelen = 16;
1839 return 0;
1840 }
1841 return -1;
1842}
1843
1844static int proc_inet_split_line(char *line, char **loc, char **rem, char **data)
aba5acdf 1845{
aba5acdf 1846 char *p;
ae665a52 1847
aba5acdf
SH		 1848 if ((p = strchr(line, ':')) == NULL)
1849 return -1;
ae665a52 1850
8250bc9f
VK		 1851 *loc = p+2;
1852 if ((p = strchr(*loc, ':')) == NULL)
aba5acdf 1853 return -1;
ae665a52 1854
8250bc9f
VK		 1855 p[5] = 0;
1856 *rem = p+6;
1857 if ((p = strchr(*rem, ':')) == NULL)
aba5acdf 1858 return -1;
8250bc9f 1859
aba5acdf 1860 p[5] = 0;
8250bc9f
VK		 1861 *data = p+6;
1862 return 0;
1863}
ae665a52 1864
8250bc9f
VK		 1865static char *sprint_bw(char *buf, double bw)
1866{
1867 if (bw > 1000000.)
acd1e437 1868 sprintf(buf, "%.1fM", bw / 1000000.);
8250bc9f 1869 else if (bw > 1000.)
acd1e437 1870 sprintf(buf, "%.1fK", bw / 1000.);
8250bc9f
VK		 1871 else
1872 sprintf(buf, "%g", bw);
aba5acdf 1873
8250bc9f
VK		 1874 return buf;
1875}
ae665a52 1876
f89d46ad
PS		 1877static void sctp_stats_print(struct sctp_info *s)
1878{
1879 if (s->sctpi_tag)
1880 printf(" tag:%x", s->sctpi_tag);
1881 if (s->sctpi_state)
1882 printf(" state:%s", sctp_sstate_name[s->sctpi_state]);
1883 if (s->sctpi_rwnd)
1884 printf(" rwnd:%d", s->sctpi_rwnd);
1885 if (s->sctpi_unackdata)
1886 printf(" unackdata:%d", s->sctpi_unackdata);
1887 if (s->sctpi_penddata)
1888 printf(" penddata:%d", s->sctpi_penddata);
1889 if (s->sctpi_instrms)
1890 printf(" instrms:%d", s->sctpi_instrms);
1891 if (s->sctpi_outstrms)
1892 printf(" outstrms:%d", s->sctpi_outstrms);
1893 if (s->sctpi_inqueue)
1894 printf(" inqueue:%d", s->sctpi_inqueue);
1895 if (s->sctpi_outqueue)
1896 printf(" outqueue:%d", s->sctpi_outqueue);
1897 if (s->sctpi_overall_error)
1898 printf(" overerr:%d", s->sctpi_overall_error);
1899 if (s->sctpi_max_burst)
1900 printf(" maxburst:%d", s->sctpi_max_burst);
1901 if (s->sctpi_maxseg)
1902 printf(" maxseg:%d", s->sctpi_maxseg);
1903 if (s->sctpi_peer_rwnd)
1904 printf(" prwnd:%d", s->sctpi_peer_rwnd);
1905 if (s->sctpi_peer_tag)
1906 printf(" ptag:%x", s->sctpi_peer_tag);
1907 if (s->sctpi_peer_capable)
1908 printf(" pcapable:%d", s->sctpi_peer_capable);
1909 if (s->sctpi_peer_sack)
1910 printf(" psack:%d", s->sctpi_peer_sack);
1911 if (s->sctpi_s_autoclose)
1912 printf(" autoclose:%d", s->sctpi_s_autoclose);
1913 if (s->sctpi_s_adaptation_ind)
1914 printf(" adapind:%d", s->sctpi_s_adaptation_ind);
1915 if (s->sctpi_s_pd_point)
1916 printf(" pdpoint:%d", s->sctpi_s_pd_point);
1917 if (s->sctpi_s_nodelay)
1918 printf(" nodealy:%d", s->sctpi_s_nodelay);
1919 if (s->sctpi_s_disable_fragments)
1920 printf(" nofrag:%d", s->sctpi_s_disable_fragments);
1921 if (s->sctpi_s_v4mapped)
1922 printf(" v4mapped:%d", s->sctpi_s_v4mapped);
1923 if (s->sctpi_s_frag_interleave)
1924 printf(" fraginl:%d", s->sctpi_s_frag_interleave);
1925}
1926
8250bc9f
VK		 1927static void tcp_stats_print(struct tcpstat *s)
1928{
1929 char b1[64];
1930
1931 if (s->has_ts_opt)
1932 printf(" ts");
1933 if (s->has_sack_opt)
1934 printf(" sack");
1935 if (s->has_ecn_opt)
1936 printf(" ecn");
1937 if (s->has_ecnseen_opt)
1938 printf(" ecnseen");
1939 if (s->has_fastopen_opt)
1940 printf(" fastopen");
d2055ea5 1941 if (s->cong_alg[0])
8250bc9f
VK		 1942 printf(" %s", s->cong_alg);
1943 if (s->has_wscale_opt)
1944 printf(" wscale:%d,%d", s->snd_wscale, s->rcv_wscale);
1945 if (s->rto)
1946 printf(" rto:%g", s->rto);
1947 if (s->backoff)
1948 printf(" backoff:%u", s->backoff);
1949 if (s->rtt)
1950 printf(" rtt:%g/%g", s->rtt, s->rttvar);
1951 if (s->ato)
1952 printf(" ato:%g", s->ato);
1953
1954 if (s->qack)
1955 printf(" qack:%d", s->qack);
1956 if (s->qack & 1)
1957 printf(" bidir");
1958
1959 if (s->mss)
1960 printf(" mss:%d", s->mss);
38e6dbc4
ED		 1961 if (s->rcv_mss)
1962 printf(" rcvmss:%d", s->rcv_mss);
1963 if (s->advmss)
1964 printf(" advmss:%d", s->advmss);
3bf5445c 1965 if (s->cwnd)
d1f338b3 1966 printf(" cwnd:%u", s->cwnd);
8250bc9f
VK		 1967 if (s->ssthresh)
1968 printf(" ssthresh:%d", s->ssthresh);
1969
1a4dda71
ED		 1970 if (s->bytes_acked)
1971 printf(" bytes_acked:%llu", s->bytes_acked);
1972 if (s->bytes_received)
1973 printf(" bytes_received:%llu", s->bytes_received);
ecb435ea
CG		 1974 if (s->segs_out)
1975 printf(" segs_out:%u", s->segs_out);
1976 if (s->segs_in)
1977 printf(" segs_in:%u", s->segs_in);
414aeec9
MKL		 1978 if (s->data_segs_out)
1979 printf(" data_segs_out:%u", s->data_segs_out);
1980 if (s->data_segs_in)
1981 printf(" data_segs_in:%u", s->data_segs_in);
1a4dda71 1982
8250bc9f
VK		 1983 if (s->dctcp && s->dctcp->enabled) {
1984 struct dctcpstat *dctcp = s->dctcp;
1985
3bf5445c 1986 printf(" dctcp:(ce_state:%u,alpha:%u,ab_ecn:%u,ab_tot:%u)",
8250bc9f
VK		 1987 dctcp->ce_state, dctcp->alpha, dctcp->ab_ecn,
1988 dctcp->ab_tot);
1989 } else if (s->dctcp) {
3bf5445c 1990 printf(" dctcp:fallback_mode");
8250bc9f
VK		 1991 }
1992
2f0f9aef
NC		 1993 if (s->bbr_info) {
1994 __u64 bw;
1995
1996 bw = s->bbr_info->bbr_bw_hi;
1997 bw <<= 32;
1998 bw |= s->bbr_info->bbr_bw_lo;
1999
2000 printf(" bbr:(bw:%sbps,mrtt:%g",
2001 sprint_bw(b1, bw * 8.0),
2002 (double)s->bbr_info->bbr_min_rtt / 1000.0);
2003 if (s->bbr_info->bbr_pacing_gain)
2004 printf(",pacing_gain:%g",
2005 (double)s->bbr_info->bbr_pacing_gain / 256.0);
2006 if (s->bbr_info->bbr_cwnd_gain)
2007 printf(",cwnd_gain:%g",
2008 (double)s->bbr_info->bbr_cwnd_gain / 256.0);
2009 printf(")");
2010 }
2011
8250bc9f
VK		 2012 if (s->send_bps)
2013 printf(" send %sbps", sprint_bw(b1, s->send_bps));
2014 if (s->lastsnd)
2015 printf(" lastsnd:%u", s->lastsnd);
2016 if (s->lastrcv)
2017 printf(" lastrcv:%u", s->lastrcv);
2018 if (s->lastack)
2019 printf(" lastack:%u", s->lastack);
2020
2021 if (s->pacing_rate) {
2022 printf(" pacing_rate %sbps", sprint_bw(b1, s->pacing_rate));
2023 if (s->pacing_rate_max)
2024 printf("/%sbps", sprint_bw(b1,
2025 s->pacing_rate_max));
2026 }
2027
2f579872
NC		 2028 if (s->delivery_rate)
2029 printf(" delivery_rate %sbps", sprint_bw(b1, s->delivery_rate));
2030 if (s->app_limited)
2031 printf(" app_limited");
2032
b6c7fc61
YC		 2033 if (s->busy_time) {
2034 printf(" busy:%llums", s->busy_time / 1000);
2035 if (s->rwnd_limited)
2036 printf(" rwnd_limited:%llums(%.1f%%)",
2037 s->rwnd_limited / 1000,
2038 100.0 * s->rwnd_limited / s->busy_time);
2039 if (s->sndbuf_limited)
2040 printf(" sndbuf_limited:%llums(%.1f%%)",
2041 s->sndbuf_limited / 1000,
2042 100.0 * s->sndbuf_limited / s->busy_time);
2043 }
2044
8250bc9f
VK		 2045 if (s->unacked)
2046 printf(" unacked:%u", s->unacked);
2047 if (s->retrans || s->retrans_total)
2048 printf(" retrans:%u/%u", s->retrans, s->retrans_total);
2049 if (s->lost)
2050 printf(" lost:%u", s->lost);
055840f2 2051 if (s->sacked && s->ss.state != SS_LISTEN)
8250bc9f
VK		 2052 printf(" sacked:%u", s->sacked);
2053 if (s->fackets)
2054 printf(" fackets:%u", s->fackets);
2055 if (s->reordering != 3)
2056 printf(" reordering:%d", s->reordering);
2057 if (s->rcv_rtt)
2058 printf(" rcv_rtt:%g", s->rcv_rtt);
2059 if (s->rcv_space)
2060 printf(" rcv_space:%d", s->rcv_space);
9e99e495
SH		 2061 if (s->not_sent)
2062 printf(" notsent:%u", s->not_sent);
2063 if (s->min_rtt)
2064 printf(" minrtt:%g", s->min_rtt);
8250bc9f
VK		 2065}
2066
055840f2
VK		 2067static void tcp_timer_print(struct tcpstat *s)
2068{
86dfa1be
PS		 2069 static const char * const tmr_name[] = {
2070 "off",
2071 "on",
2072 "keepalive",
2073 "timewait",
2074 "persist",
2075 "unknown"
2076 };
2077
055840f2
VK		 2078 if (s->timer) {
2079 if (s->timer > 4)
2080 s->timer = 5;
2081 printf(" timer:(%s,%s,%d)",
2082 tmr_name[s->timer],
2083 print_ms_timer(s->timeout),
2084 s->retrans);
2085 }
2086}
2087
f89d46ad
PS		 2088static void sctp_timer_print(struct tcpstat *s)
2089{
2090 if (s->timer)
2091 printf(" timer:(T3_RTX,%s,%d)",
2092 print_ms_timer(s->timeout), s->retrans);
2093}
2094
8250bc9f
VK		 2095static int tcp_show_line(char *line, const struct filter *f, int family)
2096{
2097 int rto = 0, ato = 0;
2098 struct tcpstat s = {};
2099 char *loc, *rem, *data;
2100 char opt[256];
2101 int n;
2102 int hz = get_user_hz();
2103
2104 if (proc_inet_split_line(line, &loc, &rem, &data))
2105 return -1;
2106
2107 int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0');
acd1e437 2108
8250bc9f
VK		 2109 if (!(f->states & (1 << state)))
2110 return 0;
2111
055840f2 2112 proc_parse_inet_addr(loc, rem, family, &s.ss);
ae665a52 2113
055840f2 2114 if (f->f && run_ssfilter(f->f, &s.ss) == 0)
aba5acdf 2115 return 0;
ae665a52 2116
aba5acdf 2117 opt[0] = 0;
d1f338b3 2118 n = sscanf(data, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %u %d %[^\n]\n",
055840f2
VK		 2119 &s.ss.state, &s.ss.wq, &s.ss.rq,
2120 &s.timer, &s.timeout, &s.retrans, &s.ss.uid, &s.probes,
2121 &s.ss.ino, &s.ss.refcnt, &s.ss.sk, &rto, &ato, &s.qack, &s.cwnd,
2122 &s.ssthresh, opt);
ae665a52 2123
aba5acdf
SH		 2124 if (n < 17)
2125 opt[0] = 0;
ae665a52 2126
aba5acdf 2127 if (n < 12) {
8250bc9f 2128 rto = 0;
aba5acdf
SH		 2129 s.cwnd = 2;
2130 s.ssthresh = -1;
8250bc9f 2131 ato = s.qack = 0;
aba5acdf 2132 }
ae665a52 2133
8250bc9f
VK		 2134 s.retrans = s.timer != 1 ? s.probes : s.retrans;
2135 s.timeout = (s.timeout * 1000 + hz - 1) / hz;
2136 s.ato = (double)ato / hz;
2137 s.qack /= 2;
2138 s.rto = (double)rto;
2139 s.ssthresh = s.ssthresh == -1 ? 0 : s.ssthresh;
2140 s.rto = s.rto != 3 * hz ? s.rto / hz : 0;
be7e4d20 2141 s.ss.type = IPPROTO_TCP;
ae665a52 2142
1267c0b9 2143 inet_stats_print(&s.ss, false);
055840f2
VK		 2144
2145 if (show_options)
2146 tcp_timer_print(&s);
116ac927 2147
aba5acdf 2148 if (show_details) {
f1b39e1b 2149 sock_details_print(&s.ss);
aba5acdf
SH		 2150 if (opt[0])
2151 printf(" opt:\"%s\"", opt);
2152 }
aba5acdf 2153
8250bc9f
VK		 2154 if (show_tcpinfo)
2155 tcp_stats_print(&s);
2156
2157 printf("\n");
aba5acdf
SH		 2158 return 0;
2159}
2160
ab01dbbb
SH		 2161static int generic_record_read(FILE *fp,
2162 int (*worker)(char*, const struct filter *, int),
2163 const struct filter *f, int fam)
aba5acdf 2164{
ab01dbbb 2165 char line[256];
aba5acdf 2166
ab01dbbb
SH		 2167 /* skip header */
2168 if (fgets(line, sizeof(line), fp) == NULL)
aba5acdf 2169 goto outerr;
ab01dbbb
SH		 2170
2171 while (fgets(line, sizeof(line), fp) != NULL) {
2172 int n = strlen(line);
acd1e437 2173
ab01dbbb
SH		 2174 if (n == 0 || line[n-1] != '\n') {
2175 errno = -EINVAL;
2176 return -1;
aba5acdf 2177 }
ab01dbbb 2178 line[n-1] = 0;
aba5acdf 2179
ab01dbbb
SH		 2180 if (worker(line, f, fam) < 0)
2181 return 0;
2182 }
aba5acdf 2183outerr:
ab01dbbb
SH		 2184
2185 return ferror(fp) ? -1 : 0;
aba5acdf 2186}
ae665a52 2187
51ff9f24
HFS		 2188static void print_skmeminfo(struct rtattr *tb[], int attrtype)
2189{
2190 const __u32 *skmeminfo;
db08bdb8
VK		 2191
2192 if (!tb[attrtype]) {
2193 if (attrtype == INET_DIAG_SKMEMINFO) {
2194 if (!tb[INET_DIAG_MEMINFO])
2195 return;
2196
2197 const struct inet_diag_meminfo *minfo =
2198 RTA_DATA(tb[INET_DIAG_MEMINFO]);
2199
2200 printf(" mem:(r%u,w%u,f%u,t%u)",
2201 minfo->idiag_rmem,
2202 minfo->idiag_wmem,
2203 minfo->idiag_fmem,
2204 minfo->idiag_tmem);
2205 }
51ff9f24 2206 return;
db08bdb8
VK		 2207 }
2208
51ff9f24
HFS		 2209 skmeminfo = RTA_DATA(tb[attrtype]);
2210
2211 printf(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u",
2212 skmeminfo[SK_MEMINFO_RMEM_ALLOC],
2213 skmeminfo[SK_MEMINFO_RCVBUF],
2214 skmeminfo[SK_MEMINFO_WMEM_ALLOC],
2215 skmeminfo[SK_MEMINFO_SNDBUF],
2216 skmeminfo[SK_MEMINFO_FWD_ALLOC],
2217 skmeminfo[SK_MEMINFO_WMEM_QUEUED],
2218 skmeminfo[SK_MEMINFO_OPTMEM]);
2219
2220 if (RTA_PAYLOAD(tb[attrtype]) >=
2221 (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32))
2222 printf(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]);
2223
6df9c7a0
ED		 2224 if (RTA_PAYLOAD(tb[attrtype]) >=
2225 (SK_MEMINFO_DROPS + 1) * sizeof(__u32))
2226 printf(",d%u", skmeminfo[SK_MEMINFO_DROPS]);
2227
51ff9f24
HFS		 2228 printf(")");
2229}
2230
da9cc6ab
ID		 2231static void print_md5sig(struct tcp_diag_md5sig *sig)
2232{
2233 printf("%s/%d=",
2234 format_host(sig->tcpm_family,
2235 sig->tcpm_family == AF_INET6 ? 16 : 4,
2236 &sig->tcpm_addr),
2237 sig->tcpm_prefixlen);
2238 print_escape_buf(sig->tcpm_key, sig->tcpm_keylen, " ,");
2239}
2240
8250bc9f
VK		 2241#define TCPI_HAS_OPT(info, opt) !!(info->tcpi_options & (opt))
2242
5b816047
PE		 2243static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
2244 struct rtattr *tb[])
7d105b56 2245{
b4b0b7d5 2246 double rtt = 0;
8250bc9f 2247 struct tcpstat s = {};
7d105b56 2248
055840f2
VK		 2249 s.ss.state = r->idiag_state;
2250
db08bdb8 2251 print_skmeminfo(tb, INET_DIAG_SKMEMINFO);
7d105b56 2252
351efcde 2253 if (tb[INET_DIAG_INFO]) {
05e18118 2254 struct tcp_info *info;
351efcde 2255 int len = RTA_PAYLOAD(tb[INET_DIAG_INFO]);
05e18118
SH		 2256
2257 /* workaround for older kernels with less fields */
2258 if (len < sizeof(*info)) {
2259 info = alloca(sizeof(*info));
351efcde 2260 memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len);
656e8fdd 2261 memset((char *)info + len, 0, sizeof(*info) - len);
05e18118 2262 } else
351efcde 2263 info = RTA_DATA(tb[INET_DIAG_INFO]);
05e18118 2264
b4b0b7d5 2265 if (show_options) {
8250bc9f
VK		 2266 s.has_ts_opt = TCPI_HAS_OPT(info, TCPI_OPT_TIMESTAMPS);
2267 s.has_sack_opt = TCPI_HAS_OPT(info, TCPI_OPT_SACK);
2268 s.has_ecn_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN);
2269 s.has_ecnseen_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN_SEEN);
2270 s.has_fastopen_opt = TCPI_HAS_OPT(info, TCPI_OPT_SYN_DATA);
b4b0b7d5 2271 }
52d5ac3f 2272
d2055ea5
ED		 2273 if (tb[INET_DIAG_CONG])
2274 strncpy(s.cong_alg,
2275 rta_getattr_str(tb[INET_DIAG_CONG]),
2276 sizeof(s.cong_alg) - 1);
8250bc9f
VK		 2277
2278 if (TCPI_HAS_OPT(info, TCPI_OPT_WSCALE)) {
2279 s.has_wscale_opt = true;
2280 s.snd_wscale = info->tcpi_snd_wscale;
2281 s.rcv_wscale = info->tcpi_rcv_wscale;
2282 }
ea8fc104 2283
7d105b56 2284 if (info->tcpi_rto && info->tcpi_rto != 3000000)
8250bc9f
VK		 2285 s.rto = (double)info->tcpi_rto / 1000;
2286
2287 s.backoff = info->tcpi_backoff;
2288 s.rtt = (double)info->tcpi_rtt / 1000;
2289 s.rttvar = (double)info->tcpi_rttvar / 1000;
11ba90fc 2290 s.ato = (double)info->tcpi_ato / 1000;
8250bc9f 2291 s.mss = info->tcpi_snd_mss;
38e6dbc4
ED		 2292 s.rcv_mss = info->tcpi_rcv_mss;
2293 s.advmss = info->tcpi_advmss;
8250bc9f
VK		 2294 s.rcv_space = info->tcpi_rcv_space;
2295 s.rcv_rtt = (double)info->tcpi_rcv_rtt / 1000;
2296 s.lastsnd = info->tcpi_last_data_sent;
2297 s.lastrcv = info->tcpi_last_data_recv;
2298 s.lastack = info->tcpi_last_ack_recv;
2299 s.unacked = info->tcpi_unacked;
2300 s.retrans = info->tcpi_retrans;
2301 s.retrans_total = info->tcpi_total_retrans;
2302 s.lost = info->tcpi_lost;
2303 s.sacked = info->tcpi_sacked;
c4be5feb 2304 s.fackets = info->tcpi_fackets;
8250bc9f
VK		 2305 s.reordering = info->tcpi_reordering;
2306 s.rcv_space = info->tcpi_rcv_space;
2307 s.cwnd = info->tcpi_snd_cwnd;
2308
7d105b56 2309 if (info->tcpi_snd_ssthresh < 0xFFFF)
8250bc9f 2310 s.ssthresh = info->tcpi_snd_ssthresh;
52d5ac3f 2311
b4b0b7d5 2312 rtt = (double) info->tcpi_rtt;
351efcde 2313 if (tb[INET_DIAG_VEGASINFO]) {
05e18118 2314 const struct tcpvegas_info *vinfo
351efcde 2315 = RTA_DATA(tb[INET_DIAG_VEGASINFO]);
7d105b56 2316
ae665a52 2317 if (vinfo->tcpv_enabled &&
8250bc9f 2318 vinfo->tcpv_rtt && vinfo->tcpv_rtt != 0x7fffffff)
ea8fc104 2319 rtt = vinfo->tcpv_rtt;
b4b0b7d5
SH		 2320 }
2321
907e1aca 2322 if (tb[INET_DIAG_DCTCPINFO]) {
8250bc9f
VK		 2323 struct dctcpstat *dctcp = malloc(sizeof(struct
2324 dctcpstat));
2325
907e1aca
DB		 2326 const struct tcp_dctcp_info *dinfo
2327 = RTA_DATA(tb[INET_DIAG_DCTCPINFO]);
2328
8250bc9f
VK		 2329 dctcp->enabled = !!dinfo->dctcp_enabled;
2330 dctcp->ce_state = dinfo->dctcp_ce_state;
2331 dctcp->alpha = dinfo->dctcp_alpha;
2332 dctcp->ab_ecn = dinfo->dctcp_ab_ecn;
2333 dctcp->ab_tot = dinfo->dctcp_ab_tot;
2334 s.dctcp = dctcp;
907e1aca
DB		 2335 }
2336
2f0f9aef
NC		 2337 if (tb[INET_DIAG_BBRINFO]) {
2338 const void *bbr_info = RTA_DATA(tb[INET_DIAG_BBRINFO]);
2339 int len = min(RTA_PAYLOAD(tb[INET_DIAG_BBRINFO]),
2340 sizeof(*s.bbr_info));
2341
2342 s.bbr_info = calloc(1, sizeof(*s.bbr_info));
2343 if (s.bbr_info && bbr_info)
2344 memcpy(s.bbr_info, bbr_info, len);
2345 }
2346
b4b0b7d5 2347 if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) {
8250bc9f
VK		 2348 s.send_bps = (double) info->tcpi_snd_cwnd *
2349 (double)info->tcpi_snd_mss * 8000000. / rtt;
7d105b56 2350 }
b4b0b7d5 2351
eb6028b2 2352 if (info->tcpi_pacing_rate &&
8250bc9f
VK		 2353 info->tcpi_pacing_rate != ~0ULL) {
2354 s.pacing_rate = info->tcpi_pacing_rate * 8.;
eb6028b2
ED		 2355
2356 if (info->tcpi_max_pacing_rate &&
8250bc9f
VK		 2357 info->tcpi_max_pacing_rate != ~0ULL)
2358 s.pacing_rate_max = info->tcpi_max_pacing_rate * 8.;
eb6028b2 2359 }
1a4dda71
ED		 2360 s.bytes_acked = info->tcpi_bytes_acked;
2361 s.bytes_received = info->tcpi_bytes_received;
ecb435ea
CG		 2362 s.segs_out = info->tcpi_segs_out;
2363 s.segs_in = info->tcpi_segs_in;
414aeec9
MKL		 2364 s.data_segs_out = info->tcpi_data_segs_out;
2365 s.data_segs_in = info->tcpi_data_segs_in;
9e99e495 2366 s.not_sent = info->tcpi_notsent_bytes;
d9ba887e
ED		 2367 if (info->tcpi_min_rtt && info->tcpi_min_rtt != ~0U)
2368 s.min_rtt = (double) info->tcpi_min_rtt / 1000;
2f579872
NC		 2369 s.delivery_rate = info->tcpi_delivery_rate * 8.;
2370 s.app_limited = info->tcpi_delivery_rate_app_limited;
b6c7fc61
YC		 2371 s.busy_time = info->tcpi_busy_time;
2372 s.rwnd_limited = info->tcpi_rwnd_limited;
2373 s.sndbuf_limited = info->tcpi_sndbuf_limited;
8250bc9f 2374 tcp_stats_print(&s);
92de1c2c 2375 free(s.dctcp);
2f0f9aef 2376 free(s.bbr_info);
77a8ca81 2377 }
da9cc6ab
ID		 2378 if (tb[INET_DIAG_MD5SIG]) {
2379 struct tcp_diag_md5sig *sig = RTA_DATA(tb[INET_DIAG_MD5SIG]);
2380 int len = RTA_PAYLOAD(tb[INET_DIAG_MD5SIG]);
2381
2382 printf(" md5keys:");
2383 print_md5sig(sig++);
2384 for (len -= sizeof(*sig); len > 0; len -= sizeof(*sig)) {
2385 printf(",");
2386 print_md5sig(sig++);
2387 }
2388 }
77a8ca81
PE		 2389}
2390
f89d46ad
PS		 2391static const char *format_host_sa(struct sockaddr_storage *sa)
2392{
2393 union {
2394 struct sockaddr_in sin;
2395 struct sockaddr_in6 sin6;
2396 } *saddr = (void *)sa;
2397
2398 switch (sa->ss_family) {
2399 case AF_INET:
2400 return format_host(AF_INET, 4, &saddr->sin.sin_addr);
2401 case AF_INET6:
2402 return format_host(AF_INET6, 16, &saddr->sin6.sin6_addr);
2403 default:
2404 return "";
2405 }
2406}
2407
2408static void sctp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
2409 struct rtattr *tb[])
2410{
2411 struct sockaddr_storage *sa;
2412 int len;
2413
2414 print_skmeminfo(tb, INET_DIAG_SKMEMINFO);
2415
2416 if (tb[INET_DIAG_LOCALS]) {
2417 len = RTA_PAYLOAD(tb[INET_DIAG_LOCALS]);
2418 sa = RTA_DATA(tb[INET_DIAG_LOCALS]);
2419
2420 printf("locals:%s", format_host_sa(sa));
2421 for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa))
2422 printf(",%s", format_host_sa(sa));
2423
2424 }
2425 if (tb[INET_DIAG_PEERS]) {
2426 len = RTA_PAYLOAD(tb[INET_DIAG_PEERS]);
2427 sa = RTA_DATA(tb[INET_DIAG_PEERS]);
2428
2429 printf(" peers:%s", format_host_sa(sa));
2430 for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa))
2431 printf(",%s", format_host_sa(sa));
2432 }
2433 if (tb[INET_DIAG_INFO]) {
2434 struct sctp_info *info;
2435 len = RTA_PAYLOAD(tb[INET_DIAG_INFO]);
2436
2437 /* workaround for older kernels with less fields */
2438 if (len < sizeof(*info)) {
2439 info = alloca(sizeof(*info));
2440 memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len);
2441 memset((char *)info + len, 0, sizeof(*info) - len);
2442 } else
2443 info = RTA_DATA(tb[INET_DIAG_INFO]);
2444
2445 sctp_stats_print(info);
2446 }
2447}
2448
82d73ea0 2449static void parse_diag_msg(struct nlmsghdr *nlh, struct sockstat *s)
aba5acdf 2450{
acd1e437 2451 struct rtattr *tb[INET_DIAG_MAX+1];
351efcde 2452 struct inet_diag_msg *r = NLMSG_DATA(nlh);
aba5acdf 2453
acd1e437 2454 parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1),
5b816047
PE		 2455 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
2456
82d73ea0
DA		 2457 s->state = r->idiag_state;
2458 s->local.family = s->remote.family = r->idiag_family;
2459 s->lport = ntohs(r->id.idiag_sport);
2460 s->rport = ntohs(r->id.idiag_dport);
2461 s->wq = r->idiag_wqueue;
2462 s->rq = r->idiag_rqueue;
2463 s->ino = r->idiag_inode;
2464 s->uid = r->idiag_uid;
2465 s->iface = r->id.idiag_if;
2466 s->sk = cookie_sk_get(&r->id.idiag_cookie[0]);
2467
ec75249b
LC		 2468 s->mark = 0;
2469 if (tb[INET_DIAG_MARK])
9f1370c0 2470 s->mark = rta_getattr_u32(tb[INET_DIAG_MARK]);
41fe6c34 2471 if (tb[INET_DIAG_PROTOCOL])
9f1370c0 2472 s->raw_prot = rta_getattr_u8(tb[INET_DIAG_PROTOCOL]);
41fe6c34
CG		 2473 else
2474 s->raw_prot = 0;
ec75249b 2475
82d73ea0
DA		 2476 if (s->local.family == AF_INET)
2477 s->local.bytelen = s->remote.bytelen = 4;
2478 else
2479 s->local.bytelen = s->remote.bytelen = 16;
8250bc9f 2480
82d73ea0
DA		 2481 memcpy(s->local.data, r->id.idiag_src, s->local.bytelen);
2482 memcpy(s->remote.data, r->id.idiag_dst, s->local.bytelen);
2483}
aba5acdf 2484
82d73ea0 2485static int inet_show_sock(struct nlmsghdr *nlh,
be7e4d20 2486 struct sockstat *s)
82d73ea0
DA		 2487{
2488 struct rtattr *tb[INET_DIAG_MAX+1];
2489 struct inet_diag_msg *r = NLMSG_DATA(nlh);
1267c0b9 2490 unsigned char v6only = 0;
82d73ea0
DA		 2491
2492 parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1),
2493 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
aba5acdf 2494
6885e3bf 2495 if (tb[INET_DIAG_PROTOCOL])
9f1370c0 2496 s->type = rta_getattr_u8(tb[INET_DIAG_PROTOCOL]);
6885e3bf 2497
1267c0b9
PS		 2498 if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY])
2499 v6only = rta_getattr_u8(tb[INET_DIAG_SKV6ONLY]);
2500
2501 inet_stats_print(s, v6only);
116ac927 2502
055840f2
VK		 2503 if (show_options) {
2504 struct tcpstat t = {};
2505
2506 t.timer = r->idiag_timer;
2507 t.timeout = r->idiag_expires;
2508 t.retrans = r->idiag_retrans;
be7e4d20 2509 if (s->type == IPPROTO_SCTP)
f89d46ad
PS		 2510 sctp_timer_print(&t);
2511 else
2512 tcp_timer_print(&t);
055840f2
VK		 2513 }
2514
aba5acdf 2515 if (show_details) {
82d73ea0 2516 sock_details_print(s);
1267c0b9 2517 if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY])
f32dc746 2518 printf(" v6only:%u", v6only);
1267c0b9 2519
5b816047
PE		 2520 if (tb[INET_DIAG_SHUTDOWN]) {
2521 unsigned char mask;
acd1e437 2522
9f1370c0 2523 mask = rta_getattr_u8(tb[INET_DIAG_SHUTDOWN]);
5b816047
PE		 2524 printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>');
2525 }
aba5acdf 2526 }
8250bc9f 2527
be7e4d20 2528 if (show_mem || (show_tcpinfo && s->type != IPPROTO_UDP)) {
7d105b56 2529 printf("\n\t");
be7e4d20 2530 if (s->type == IPPROTO_SCTP)
f89d46ad
PS		 2531 sctp_show_info(nlh, r, tb);
2532 else
2533 tcp_show_info(nlh, r, tb);
aba5acdf 2534 }
f89d46ad 2535 sctp_ino = s->ino;
7d105b56 2536
aba5acdf 2537 printf("\n");
aba5acdf 2538 return 0;
aba5acdf
SH		 2539}
2540
746a695f 2541static int tcpdiag_send(int fd, int protocol, struct filter *f)
aba5acdf 2542{
d17b136f 2543 struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK };
aba5acdf
SH		 2544 struct {
2545 struct nlmsghdr nlh;
351efcde 2546 struct inet_diag_req r;
d17b136f
PS		 2547 } req = {
2548 .nlh.nlmsg_len = sizeof(req),
2549 .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST,
2550 .nlh.nlmsg_seq = MAGIC_SEQ,
2551 .r.idiag_family = AF_INET,
2552 .r.idiag_states = f->states,
2553 };
aba5acdf
SH		 2554 char *bc = NULL;
2555 int bclen;
2556 struct msghdr msg;
2557 struct rtattr rta;
aba5acdf 2558 struct iovec iov[3];
376fb868 2559 int iovlen = 1;
aba5acdf 2560
346f8ca8
PE		 2561 if (protocol == IPPROTO_UDP)
2562 return -1;
2563
3fe5b534
PE		 2564 if (protocol == IPPROTO_TCP)
2565 req.nlh.nlmsg_type = TCPDIAG_GETSOCK;
2566 else
2567 req.nlh.nlmsg_type = DCCPDIAG_GETSOCK;
910b0397 2568 if (show_mem) {
ae665a52 2569 req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1));
910b0397
SW		 2570 req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1));
2571 }
b4b0b7d5 2572
7d105b56 2573 if (show_tcpinfo) {
351efcde
SH		 2574 req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1));
2575 req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1));
2576 req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1));
7d105b56 2577 }
aba5acdf 2578
ae665a52
SH		 2579 iov[0] = (struct iovec){
2580 .iov_base = &req,
2581 .iov_len = sizeof(req)
ea8fc104 2582 };
aba5acdf
SH		 2583 if (f->f) {
2584 bclen = ssfilter_bytecompile(f->f, &bc);
376fb868
DA		 2585 if (bclen) {
2586 rta.rta_type = INET_DIAG_REQ_BYTECODE;
2587 rta.rta_len = RTA_LENGTH(bclen);
2588 iov[1] = (struct iovec){ &rta, sizeof(rta) };
2589 iov[2] = (struct iovec){ bc, bclen };
2590 req.nlh.nlmsg_len += RTA_LENGTH(bclen);
2591 iovlen = 3;
2592 }
aba5acdf
SH		 2593 }
2594
2595 msg = (struct msghdr) {
acd1e437 2596 .msg_name = (void *)&nladdr,
ea8fc104 2597 .msg_namelen = sizeof(nladdr),
ae665a52 2598 .msg_iov = iov,
376fb868 2599 .msg_iovlen = iovlen,
aba5acdf
SH		 2600 };
2601
930a75f9
ED		 2602 if (sendmsg(fd, &msg, 0) < 0) {
2603 close(fd);
aba5acdf 2604 return -1;
930a75f9 2605 }
aba5acdf 2606
746a695f
PE		 2607 return 0;
2608}
2609
886d19d6
PE		 2610static int sockdiag_send(int family, int fd, int protocol, struct filter *f)
2611{
d17b136f 2612 struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK };
5fb421d4 2613 DIAG_REQUEST(req, struct inet_diag_req_v2 r);
886d19d6
PE		 2614 char *bc = NULL;
2615 int bclen;
2616 struct msghdr msg;
2617 struct rtattr rta;
2618 struct iovec iov[3];
376fb868 2619 int iovlen = 1;
886d19d6
PE		 2620
2621 if (family == PF_UNSPEC)
2622 return tcpdiag_send(fd, protocol, f);
2623
886d19d6
PE		 2624 memset(&req.r, 0, sizeof(req.r));
2625 req.r.sdiag_family = family;
2626 req.r.sdiag_protocol = protocol;
2627 req.r.idiag_states = f->states;
2628 if (show_mem) {
2629 req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1));
2630 req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1));
2631 }
2632
2633 if (show_tcpinfo) {
2634 req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1));
2635 req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1));
2636 req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1));
2637 }
2638
2639 iov[0] = (struct iovec){
2640 .iov_base = &req,
2641 .iov_len = sizeof(req)
2642 };
2643 if (f->f) {
2644 bclen = ssfilter_bytecompile(f->f, &bc);
376fb868
DA		 2645 if (bclen) {
2646 rta.rta_type = INET_DIAG_REQ_BYTECODE;
2647 rta.rta_len = RTA_LENGTH(bclen);
2648 iov[1] = (struct iovec){ &rta, sizeof(rta) };
2649 iov[2] = (struct iovec){ bc, bclen };
2650 req.nlh.nlmsg_len += RTA_LENGTH(bclen);
2651 iovlen = 3;
2652 }
886d19d6
PE		 2653 }
2654
2655 msg = (struct msghdr) {
acd1e437 2656 .msg_name = (void *)&nladdr,
886d19d6
PE		 2657 .msg_namelen = sizeof(nladdr),
2658 .msg_iov = iov,
376fb868 2659 .msg_iovlen = iovlen,
886d19d6
PE		 2660 };
2661
2662 if (sendmsg(fd, &msg, 0) < 0) {
2663 close(fd);
2664 return -1;
2665 }
2666
2667 return 0;
2668}
2669
486ccd99
VK		 2670struct inet_diag_arg {
2671 struct filter *f;
2672 int protocol;
fb2594c1 2673 struct rtnl_handle *rth;
486ccd99 2674};
aba5acdf 2675
41fe6c34 2676static int kill_inet_sock(struct nlmsghdr *h, void *arg, struct sockstat *s)
fb2594c1
LC		 2677{
2678 struct inet_diag_msg *d = NLMSG_DATA(h);
2679 struct inet_diag_arg *diag_arg = arg;
2680 struct rtnl_handle *rth = diag_arg->rth;
acd1e437 2681
fb2594c1
LC		 2682 DIAG_REQUEST(req, struct inet_diag_req_v2 r);
2683
2684 req.nlh.nlmsg_type = SOCK_DESTROY;
2685 req.nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
2686 req.nlh.nlmsg_seq = ++rth->seq;
2687 req.r.sdiag_family = d->idiag_family;
2688 req.r.sdiag_protocol = diag_arg->protocol;
2689 req.r.id = d->id;
2690
41fe6c34
CG		 2691 if (diag_arg->protocol == IPPROTO_RAW) {
2692 struct inet_diag_req_raw *raw = (void *)&req.r;
2693
2694 BUILD_BUG_ON(sizeof(req.r) != sizeof(*raw));
2695 raw->sdiag_raw_protocol = s->raw_prot;
2696 }
2697
86bf43c7 2698 return rtnl_talk(rth, &req.nlh, NULL);
fb2594c1
LC		 2699}
2700
486ccd99
VK		 2701static int show_one_inet_sock(const struct sockaddr_nl *addr,
2702 struct nlmsghdr *h, void *arg)
2703{
2704 int err;
2705 struct inet_diag_arg *diag_arg = arg;
2706 struct inet_diag_msg *r = NLMSG_DATA(h);
82d73ea0 2707 struct sockstat s = {};
aba5acdf 2708
b338a3e7 2709 if (!(diag_arg->f->families & FAMILY_MASK(r->idiag_family)))
486ccd99 2710 return 0;
82d73ea0
DA		 2711
2712 parse_diag_msg(h, &s);
be7e4d20 2713 s.type = diag_arg->protocol;
82d73ea0
DA		 2714
2715 if (diag_arg->f->f && run_ssfilter(diag_arg->f->f, &s) == 0)
2716 return 0;
2717
41fe6c34 2718 if (diag_arg->f->kill && kill_inet_sock(h, arg, &s) != 0) {
fb2594c1
LC		 2719 if (errno == EOPNOTSUPP || errno == ENOENT) {
2720 /* Socket can't be closed, or is already closed. */
2721 return 0;
2722 } else {
2723 perror("SOCK_DESTROY answers");
2724 return -1;
2725 }
2726 }
82d73ea0 2727
be7e4d20 2728 err = inet_show_sock(h, &s);
82d73ea0 2729 if (err < 0)
486ccd99 2730 return err;
aba5acdf 2731
486ccd99
VK		 2732 return 0;
2733}
886d19d6 2734
486ccd99
VK		 2735static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol)
2736{
2737 int err = 0;
fb2594c1 2738 struct rtnl_handle rth, rth2;
486ccd99
VK		 2739 int family = PF_INET;
2740 struct inet_diag_arg arg = { .f = f, .protocol = protocol };
886d19d6 2741
486ccd99
VK		 2742 if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG))
2743 return -1;
fb2594c1
LC		 2744
2745 if (f->kill) {
2746 if (rtnl_open_byproto(&rth2, 0, NETLINK_SOCK_DIAG)) {
2747 rtnl_close(&rth);
2748 return -1;
2749 }
2750 arg.rth = &rth2;
2751 }
2752
486ccd99
VK		 2753 rth.dump = MAGIC_SEQ;
2754 rth.dump_fp = dump_fp;
518af1e0
ED		 2755 if (preferred_family == PF_INET6)
2756 family = PF_INET6;
886d19d6 2757
486ccd99
VK		 2758again:
2759 if ((err = sockdiag_send(family, rth.fd, protocol, f)))
2760 goto Exit;
aba5acdf 2761
486ccd99
VK		 2762 if ((err = rtnl_dump_filter(&rth, show_one_inet_sock, &arg))) {
2763 if (family != PF_UNSPEC) {
2764 family = PF_UNSPEC;
2765 goto again;
aba5acdf 2766 }
486ccd99 2767 goto Exit;
aba5acdf 2768 }
518af1e0 2769 if (family == PF_INET && preferred_family != PF_INET) {
886d19d6
PE		 2770 family = PF_INET6;
2771 goto again;
2772 }
2773
486ccd99
VK		 2774Exit:
2775 rtnl_close(&rth);
fb2594c1
LC		 2776 if (arg.rth)
2777 rtnl_close(arg.rth);
486ccd99 2778 return err;
aba5acdf
SH		 2779}
2780
ab01dbbb 2781static int tcp_show_netlink_file(struct filter *f)
aba5acdf
SH		 2782{
2783 FILE *fp;
e557212e 2784 char buf[16384];
4b45ae22 2785 int err = -1;
aba5acdf
SH		 2786
2787 if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) {
2788 perror("fopen($TCPDIAG_FILE)");
4b45ae22 2789 return err;
aba5acdf
SH		 2790 }
2791
2792 while (1) {
4b45ae22 2793 int status, err2;
acd1e437 2794 struct nlmsghdr *h = (struct nlmsghdr *)buf;
82d73ea0 2795 struct sockstat s = {};
aba5acdf
SH		 2796
2797 status = fread(buf, 1, sizeof(*h), fp);
2798 if (status < 0) {
2799 perror("Reading header from $TCPDIAG_FILE");
4b45ae22 2800 break;
aba5acdf
SH		 2801 }
2802 if (status != sizeof(*h)) {
2803 perror("Unexpected EOF reading $TCPDIAG_FILE");
4b45ae22 2804 break;
aba5acdf
SH		 2805 }
2806
2807 status = fread(h+1, 1, NLMSG_ALIGN(h->nlmsg_len-sizeof(*h)), fp);
2808
2809 if (status < 0) {
2810 perror("Reading $TCPDIAG_FILE");
4b45ae22 2811 break;
aba5acdf
SH		 2812 }
2813 if (status + sizeof(*h) < h->nlmsg_len) {
2814 perror("Unexpected EOF reading $TCPDIAG_FILE");
4b45ae22 2815 break;
aba5acdf
SH		 2816 }
2817
2818 /* The only legal exit point */
4b45ae22
PS		 2819 if (h->nlmsg_type == NLMSG_DONE) {
2820 err = 0;
2821 break;
2822 }
aba5acdf
SH		 2823
2824 if (h->nlmsg_type == NLMSG_ERROR) {
acd1e437
SH		 2825 struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h);
2826
aba5acdf
SH		 2827 if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) {
2828 fprintf(stderr, "ERROR truncated\n");
2829 } else {
2830 errno = -err->error;
2831 perror("TCPDIAG answered");
2832 }
4b45ae22 2833 break;
aba5acdf
SH		 2834 }
2835
82d73ea0 2836 parse_diag_msg(h, &s);
be7e4d20 2837 s.type = IPPROTO_TCP;
82d73ea0
DA		 2838
2839 if (f && f->f && run_ssfilter(f->f, &s) == 0)
2840 continue;
2841
4b45ae22
PS		 2842 err2 = inet_show_sock(h, &s);
2843 if (err2 < 0) {
2844 err = err2;
2845 break;
2846 }
aba5acdf 2847 }
4b45ae22
PS		 2848
2849 fclose(fp);
2850 return err;
aba5acdf
SH		 2851}
2852
6c6bbc30 2853static int tcp_show(struct filter *f)
aba5acdf 2854{
ab01dbbb 2855 FILE *fp = NULL;
aba5acdf
SH		 2856 char *buf = NULL;
2857 int bufsize = 64*1024;
2858
1527a17e
VK		 2859 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
2860 return 0;
2861
aba5acdf
SH		 2862 dg_proto = TCP_PROTO;
2863
2864 if (getenv("TCPDIAG_FILE"))
2865 return tcp_show_netlink_file(f);
2866
2867 if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT")
6c6bbc30 2868 && inet_show_netlink(f, NULL, IPPROTO_TCP) == 0)
aba5acdf
SH		 2869 return 0;
2870
2871 /* Sigh... We have to parse /proc/net/tcp... */
2872
ab01dbbb 2873
aba5acdf
SH		 2874 /* Estimate amount of sockets and try to allocate
2875 * huge buffer to read all the table at one read.
2876 * Limit it by 16MB though. The assumption is: as soon as
2877 * kernel was able to hold information about N connections,
2878 * it is able to give us some memory for snapshot.
2879 */
2880 if (1) {
a221d621
BL		 2881 get_slabstat(&slabstat);
2882
aba5acdf 2883 int guess = slabstat.socks+slabstat.tcp_syns;
acd1e437 2884
aba5acdf
SH		 2885 if (f->states&(1<<SS_TIME_WAIT))
2886 guess += slabstat.tcp_tws;
2887 if (guess > (16*1024*1024)/128)
2888 guess = (16*1024*1024)/128;
2889 guess *= 128;
2890 if (guess > bufsize)
2891 bufsize = guess;
2892 }
2893 while (bufsize >= 64*1024) {
2894 if ((buf = malloc(bufsize)) != NULL)
2895 break;
2896 bufsize /= 2;
2897 }
2898 if (buf == NULL) {
2899 errno = ENOMEM;
2900 return -1;
2901 }
2902
b338a3e7 2903 if (f->families & FAMILY_MASK(AF_INET)) {
69cae645 2904 if ((fp = net_tcp_open()) == NULL)
aba5acdf 2905 goto outerr;
ab01dbbb
SH		 2906
2907 setbuffer(fp, buf, bufsize);
2908 if (generic_record_read(fp, tcp_show_line, f, AF_INET))
aba5acdf 2909 goto outerr;
ab01dbbb 2910 fclose(fp);
aba5acdf
SH		 2911 }
2912
b338a3e7 2913 if ((f->families & FAMILY_MASK(AF_INET6)) &&
69cae645 2914 (fp = net_tcp6_open()) != NULL) {
ab01dbbb
SH		 2915 setbuffer(fp, buf, bufsize);
2916 if (generic_record_read(fp, tcp_show_line, f, AF_INET6))
aba5acdf 2917 goto outerr;
ab01dbbb 2918 fclose(fp);
aba5acdf
SH		 2919 }
2920
2921 free(buf);
2922 return 0;
2923
2924outerr:
2925 do {
2926 int saved_errno = errno;
acd1e437 2927
92de1c2c 2928 free(buf);
ab01dbbb
SH		 2929 if (fp)
2930 fclose(fp);
aba5acdf
SH		 2931 errno = saved_errno;
2932 return -1;
2933 } while (0);
2934}
2935
6c6bbc30
PS		 2936static int dccp_show(struct filter *f)
2937{
2938 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
2939 return 0;
2940
2941 if (!getenv("PROC_NET_DCCP") && !getenv("PROC_ROOT")
2942 && inet_show_netlink(f, NULL, IPPROTO_DCCP) == 0)
2943 return 0;
2944
2945 return 0;
2946}
2947
f89d46ad
PS		 2948static int sctp_show(struct filter *f)
2949{
2950 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
2951 return 0;
2952
2953 if (!getenv("PROC_NET_SCTP") && !getenv("PROC_ROOT")
2954 && inet_show_netlink(f, NULL, IPPROTO_SCTP) == 0)
2955 return 0;
2956
2957 return 0;
2958}
aba5acdf 2959
d1f28cf1 2960static int dgram_show_line(char *line, const struct filter *f, int family)
aba5acdf 2961{
055840f2 2962 struct sockstat s = {};
aba5acdf
SH		 2963 char *loc, *rem, *data;
2964 char opt[256];
2965 int n;
aba5acdf 2966
8250bc9f 2967 if (proc_inet_split_line(line, &loc, &rem, &data))
aba5acdf 2968 return -1;
aba5acdf 2969
8250bc9f 2970 int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0');
acd1e437 2971
8250bc9f
VK		 2972 if (!(f->states & (1 << state)))
2973 return 0;
aba5acdf 2974
8250bc9f 2975 proc_parse_inet_addr(loc, rem, family, &s);
aba5acdf
SH		 2976
2977 if (f->f && run_ssfilter(f->f, &s) == 0)
2978 return 0;
2979
2980 opt[0] = 0;
e7113c61 2981 n = sscanf(data, "%x %x:%x %*x:%*x %*x %d %*d %u %d %llx %[^\n]\n",
aba5acdf
SH		 2982 &s.state, &s.wq, &s.rq,
2983 &s.uid, &s.ino,
2984 &s.refcnt, &s.sk, opt);
2985
2986 if (n < 9)
2987 opt[0] = 0;
2988
be7e4d20 2989 s.type = dg_proto == UDP_PROTO ? IPPROTO_UDP : 0;
1267c0b9 2990 inet_stats_print(&s, false);
aba5acdf 2991
f1b39e1b
VK		 2992 if (show_details && opt[0])
2993 printf(" opt:\"%s\"", opt);
aba5acdf 2994
8250bc9f 2995 printf("\n");
aba5acdf
SH		 2996 return 0;
2997}
2998
d1f28cf1 2999static int udp_show(struct filter *f)
aba5acdf 3000{
ab01dbbb 3001 FILE *fp = NULL;
aba5acdf 3002
1527a17e
VK		 3003 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
3004 return 0;
3005
ace5cb31
VK		 3006 dg_proto = UDP_PROTO;
3007
346f8ca8
PE		 3008 if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT")
3009 && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0)
3010 return 0;
3011
b338a3e7 3012 if (f->families&FAMILY_MASK(AF_INET)) {
69cae645 3013 if ((fp = net_udp_open()) == NULL)
aba5acdf 3014 goto outerr;
ab01dbbb 3015 if (generic_record_read(fp, dgram_show_line, f, AF_INET))
aba5acdf 3016 goto outerr;
ab01dbbb 3017 fclose(fp);
aba5acdf
SH		 3018 }
3019
b338a3e7 3020 if ((f->families&FAMILY_MASK(AF_INET6)) &&
69cae645 3021 (fp = net_udp6_open()) != NULL) {
ab01dbbb 3022 if (generic_record_read(fp, dgram_show_line, f, AF_INET6))
aba5acdf 3023 goto outerr;
ab01dbbb 3024 fclose(fp);
aba5acdf
SH		 3025 }
3026 return 0;
3027
3028outerr:
3029 do {
3030 int saved_errno = errno;
acd1e437 3031
ab01dbbb
SH		 3032 if (fp)
3033 fclose(fp);
aba5acdf
SH		 3034 errno = saved_errno;
3035 return -1;
3036 } while (0);
3037}
3038
d1f28cf1 3039static int raw_show(struct filter *f)
aba5acdf 3040{
ab01dbbb 3041 FILE *fp = NULL;
aba5acdf 3042
1527a17e
VK		 3043 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
3044 return 0;
3045
aba5acdf
SH		 3046 dg_proto = RAW_PROTO;
3047
41fe6c34
CG		 3048 if (!getenv("PROC_NET_RAW") && !getenv("PROC_ROOT") &&
3049 inet_show_netlink(f, NULL, IPPROTO_RAW) == 0)
3050 return 0;
3051
b338a3e7 3052 if (f->families&FAMILY_MASK(AF_INET)) {
69cae645 3053 if ((fp = net_raw_open()) == NULL)
aba5acdf 3054 goto outerr;
ab01dbbb 3055 if (generic_record_read(fp, dgram_show_line, f, AF_INET))
aba5acdf 3056 goto outerr;
ab01dbbb 3057 fclose(fp);
aba5acdf
SH		 3058 }
3059
b338a3e7 3060 if ((f->families&FAMILY_MASK(AF_INET6)) &&
69cae645 3061 (fp = net_raw6_open()) != NULL) {
ab01dbbb 3062 if (generic_record_read(fp, dgram_show_line, f, AF_INET6))
aba5acdf 3063 goto outerr;
ab01dbbb 3064 fclose(fp);
aba5acdf
SH		 3065 }
3066 return 0;
3067
3068outerr:
3069 do {
3070 int saved_errno = errno;
acd1e437 3071
ab01dbbb
SH		 3072 if (fp)
3073 fclose(fp);
aba5acdf
SH		 3074 errno = saved_errno;
3075 return -1;
3076 } while (0);
3077}
3078
ec4d0d8a 3079#define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct sockstat))
aba5acdf 3080
2d0e538f 3081static void unix_list_drop_first(struct sockstat **list)
aba5acdf 3082{
2d0e538f 3083 struct sockstat *s = *list;
ec4d0d8a 3084
2d0e538f
PS		 3085 (*list) = (*list)->next;
3086 free(s->name);
3087 free(s);
aba5acdf
SH		 3088}
3089
ec4d0d8a 3090static bool unix_type_skip(struct sockstat *s, struct filter *f)
bf4ceee6
VK		 3091{
3092 if (s->type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB)))
3093 return true;
3094 if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB)))
3095 return true;
3096 if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB)))
3097 return true;
3098 return false;
3099}
3100
2d0e538f 3101static void unix_stats_print(struct sockstat *s, struct filter *f)
aba5acdf 3102{
b217df10 3103 char port_name[30] = {};
aba5acdf 3104
2d0e538f 3105 sock_state_print(s);
2d791bc8 3106
2d0e538f
PS		 3107 sock_addr_print(s->name ?: "*", " ",
3108 int_to_str(s->lport, port_name), NULL);
3109 sock_addr_print(s->peer_name ?: "*", " ",
3110 int_to_str(s->rport, port_name), NULL);
116ac927 3111
2d0e538f 3112 proc_ctx_print(s);
aba5acdf
SH		 3113}
3114
8a4025f6 3115static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh,
3116 void *arg)
dfbaa90d 3117{
8a4025f6 3118 struct filter *f = (struct filter *)arg;
dfbaa90d
PE		 3119 struct unix_diag_msg *r = NLMSG_DATA(nlh);
3120 struct rtattr *tb[UNIX_DIAG_MAX+1];
99bb68ff
VK		 3121 char name[128];
3122 struct sockstat stat = { .name = "*", .peer_name = "*" };
dfbaa90d 3123
acd1e437 3124 parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr *)(r+1),
dfbaa90d
PE		 3125 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
3126
bf4ceee6
VK		 3127 stat.type = r->udiag_type;
3128 stat.state = r->udiag_state;
ec4d0d8a
VK		 3129 stat.ino = stat.lport = r->udiag_ino;
3130 stat.local.family = stat.remote.family = AF_UNIX;
0d2e01c5 3131
bf4ceee6
VK		 3132 if (unix_type_skip(&stat, f))
3133 return 0;
dfbaa90d 3134
defd61ca
HFS		 3135 if (tb[UNIX_DIAG_RQLEN]) {
3136 struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]);
acd1e437 3137
bf4ceee6
VK		 3138 stat.rq = rql->udiag_rqueue;
3139 stat.wq = rql->udiag_wqueue;
defd61ca 3140 }
dfbaa90d
PE		 3141 if (tb[UNIX_DIAG_NAME]) {
3142 int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]);
3143
3144 memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len);
3145 name[len] = '\0';
1dd0cca7
SH		 3146 if (name[0] == '\0') {
3147 int i;
3148 for (i = 0; i < len; i++)
878dadc7
IB		 3149 if (name[i] == '\0')
3150 name[i] = '@';
1dd0cca7 3151 }
99bb68ff
VK		 3152 stat.name = &name[0];
3153 memcpy(stat.local.data, &stat.name, sizeof(stat.name));
bf4ceee6 3154 }
dfbaa90d 3155 if (tb[UNIX_DIAG_PEER])
ec4d0d8a 3156 stat.rport = rta_getattr_u32(tb[UNIX_DIAG_PEER]);
dfbaa90d 3157
29999b0f
VK		 3158 if (f->f && run_ssfilter(f->f, &stat) == 0)
3159 return 0;
3160
bf4ceee6 3161 unix_stats_print(&stat, f);
dfbaa90d 3162
45199997 3163 if (show_mem)
51ff9f24 3164 print_skmeminfo(tb, UNIX_DIAG_MEMINFO);
5b816047
PE		 3165 if (show_details) {
3166 if (tb[UNIX_DIAG_SHUTDOWN]) {
3167 unsigned char mask;
acd1e437 3168
9f1370c0 3169 mask = rta_getattr_u8(tb[UNIX_DIAG_SHUTDOWN]);
5b816047
PE		 3170 printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>');
3171 }
3172 }
2d0e538f 3173 printf("\n");
ec4d0d8a 3174
dfbaa90d
PE		 3175 return 0;
3176}
3177
8a4025f6 3178static int handle_netlink_request(struct filter *f, struct nlmsghdr *req,
3179 size_t size, rtnl_filter_t show_one_sock)
dfbaa90d 3180{
8a4025f6 3181 int ret = -1;
3182 struct rtnl_handle rth;
dfbaa90d 3183
8a4025f6 3184 if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG))
dfbaa90d
PE		 3185 return -1;
3186
8a4025f6 3187 rth.dump = MAGIC_SEQ;
dfbaa90d 3188
8a4025f6 3189 if (rtnl_send(&rth, req, size) < 0)
3190 goto Exit;
dfbaa90d 3191
8a4025f6 3192 if (rtnl_dump_filter(&rth, show_one_sock, f))
3193 goto Exit;
dfbaa90d 3194
8a4025f6 3195 ret = 0;
3196Exit:
3197 rtnl_close(&rth);
3198 return ret;
dfbaa90d
PE		 3199}
3200
8a4025f6 3201static int unix_show_netlink(struct filter *f)
d8402b96 3202{
5fb421d4 3203 DIAG_REQUEST(req, struct unix_diag_req r);
d8402b96
AV		 3204
3205 req.r.sdiag_family = AF_UNIX;
3206 req.r.udiag_states = f->states;
3207 req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN;
3208 if (show_mem)
3209 req.r.udiag_show |= UDIAG_SHOW_MEMINFO;
3210
8a4025f6 3211 return handle_netlink_request(f, &req.nlh, sizeof(req), unix_show_sock);
d8402b96
AV		 3212}
3213
d1f28cf1 3214static int unix_show(struct filter *f)
aba5acdf
SH		 3215{
3216 FILE *fp;
3217 char buf[256];
3218 char name[128];
3219 int newformat = 0;
3220 int cnt;
ec4d0d8a 3221 struct sockstat *list = NULL;
96d45daa
PS		 3222 const int unix_state_map[] = { SS_CLOSE, SS_SYN_SENT,
3223 SS_ESTABLISHED, SS_CLOSING };
aba5acdf 3224
9db7bf15
VK		 3225 if (!filter_af_get(f, AF_UNIX))
3226 return 0;
3227
f25062e9
PS		 3228 if (!getenv("PROC_NET_UNIX") && !getenv("PROC_ROOT")
3229 && unix_show_netlink(f) == 0)
dfbaa90d
PE		 3230 return 0;
3231
ab01dbbb 3232 if ((fp = net_unix_open()) == NULL)
aba5acdf 3233 return -1;
61170fd8 3234 if (!fgets(buf, sizeof(buf), fp)) {
d572ed4d
PS		 3235 fclose(fp);
3236 return -1;
3237 }
aba5acdf 3238
ae665a52 3239 if (memcmp(buf, "Peer", 4) == 0)
aba5acdf
SH		 3240 newformat = 1;
3241 cnt = 0;
3242
61170fd8 3243 while (fgets(buf, sizeof(buf), fp)) {
ec4d0d8a 3244 struct sockstat *u, **insp;
aba5acdf
SH		 3245 int flags;
3246
0ee9052f 3247 if (!(u = calloc(1, sizeof(*u))))
aba5acdf 3248 break;
aba5acdf
SH		 3249
3250 if (sscanf(buf, "%x: %x %x %x %x %x %d %s",
ec4d0d8a 3251 &u->rport, &u->rq, &u->wq, &flags, &u->type,
aba5acdf
SH		 3252 &u->state, &u->ino, name) < 8)
3253 name[0] = 0;
3254
ec4d0d8a
VK		 3255 u->lport = u->ino;
3256 u->local.family = u->remote.family = AF_UNIX;
3257
3258 if (flags & (1 << 16)) {
aba5acdf 3259 u->state = SS_LISTEN;
0aa03350
PS		 3260 } else if (u->state > 0 &&
3261 u->state <= ARRAY_SIZE(unix_state_map)) {
aba5acdf 3262 u->state = unix_state_map[u->state-1];
ec4d0d8a 3263 if (u->type == SOCK_DGRAM && u->state == SS_CLOSE && u->rport)
aba5acdf
SH		 3264 u->state = SS_ESTABLISHED;
3265 }
2d0e538f
PS		 3266 if (unix_type_skip(u, f) ||
3267 !(f->states & (1 << u->state))) {
3268 free(u);
3269 continue;
3270 }
aba5acdf
SH		 3271
3272 if (!newformat) {
ec4d0d8a 3273 u->rport = 0;
aba5acdf
SH		 3274 u->rq = 0;
3275 u->wq = 0;
3276 }
3277
2d0e538f
PS		 3278 if (name[0]) {
3279 u->name = strdup(name);
46131577
PS		 3280 if (!u->name) {
3281 free(u);
2d0e538f 3282 break;
46131577 3283 }
2d0e538f
PS		 3284 }
3285
3286 if (u->rport) {
3287 struct sockstat *p;
3288
3289 for (p = list; p; p = p->next) {
3290 if (u->rport == p->lport)
3291 break;
3292 }
3293 if (!p)
3294 u->peer_name = "?";
3295 else
3296 u->peer_name = p->name ? : "*";
3297 }
3298
3299 if (f->f) {
3300 struct sockstat st = {
3301 .local.family = AF_UNIX,
3302 .remote.family = AF_UNIX,
3303 };
3304
3305 memcpy(st.local.data, &u->name, sizeof(u->name));
3306 if (strcmp(u->peer_name, "*"))
3307 memcpy(st.remote.data, &u->peer_name,
3308 sizeof(u->peer_name));
3309 if (run_ssfilter(f->f, &st) == 0) {
3310 free(u->name);
3311 free(u);
3312 continue;
3313 }
3314 }
3315
aba5acdf
SH		 3316 insp = &list;
3317 while (*insp) {
3318 if (u->type < (*insp)->type ||
3319 (u->type == (*insp)->type &&
3320 u->ino < (*insp)->ino))
3321 break;
3322 insp = &(*insp)->next;
3323 }
3324 u->next = *insp;
3325 *insp = u;
3326
aba5acdf 3327 if (++cnt > MAX_UNIX_REMEMBER) {
2d0e538f
PS		 3328 while (list) {
3329 unix_stats_print(list, f);
3330 printf("\n");
3331
3332 unix_list_drop_first(&list);
3333 }
aba5acdf
SH		 3334 cnt = 0;
3335 }
3336 }
a3fd8e58 3337 fclose(fp);
2d0e538f 3338 while (list) {
bf4ceee6 3339 unix_stats_print(list, f);
2d0e538f
PS		 3340 printf("\n");
3341
3342 unix_list_drop_first(&list);
aba5acdf
SH		 3343 }
3344
3345 return 0;
3346}
3347
89f634f9 3348static int packet_stats_print(struct sockstat *s, const struct filter *f)
4a0053b6 3349{
b217df10
VK		 3350 const char *addr, *port;
3351 char ll_name[16];
372c30d2 3352
be7e4d20
PS		 3353 s->local.family = s->remote.family = AF_PACKET;
3354
4a0053b6 3355 if (f->f) {
89f634f9 3356 s->local.data[0] = s->prot;
89f634f9 3357 if (run_ssfilter(f->f, s) == 0)
4a0053b6
VK		 3358 return 1;
3359 }
372c30d2 3360
be7e4d20 3361 sock_state_print(s);
372c30d2 3362
b217df10
VK		 3363 if (s->prot == 3)
3364 addr = "*";
3365 else
3366 addr = ll_proto_n2a(htons(s->prot), ll_name, sizeof(ll_name));
3367
3368 if (s->iface == 0)
3369 port = "*";
3370 else
3371 port = xll_index_to_name(s->iface);
372c30d2 3372
b217df10
VK		 3373 sock_addr_print(addr, ":", port, NULL);
3374 sock_addr_print("", "*", "", NULL);
116ac927 3375
5f27ac1d 3376 proc_ctx_print(s);
116ac927 3377
f1b39e1b
VK		 3378 if (show_details)
3379 sock_details_print(s);
3380
4a0053b6
VK		 3381 return 0;
3382}
3383
2631b856
VK		 3384static void packet_show_ring(struct packet_diag_ring *ring)
3385{
3386 printf("blk_size:%d", ring->pdr_block_size);
3387 printf(",blk_nr:%d", ring->pdr_block_nr);
3388 printf(",frm_size:%d", ring->pdr_frame_size);
3389 printf(",frm_nr:%d", ring->pdr_frame_nr);
3390 printf(",tmo:%d", ring->pdr_retire_tmo);
3391 printf(",features:0x%x", ring->pdr_features);
3392}
3393
4a0053b6
VK		 3394static int packet_show_sock(const struct sockaddr_nl *addr,
3395 struct nlmsghdr *nlh, void *arg)
3396{
3397 const struct filter *f = arg;
3398 struct packet_diag_msg *r = NLMSG_DATA(nlh);
2631b856
VK		 3399 struct packet_diag_info *pinfo = NULL;
3400 struct packet_diag_ring *ring_rx = NULL, *ring_tx = NULL;
4a0053b6 3401 struct rtattr *tb[PACKET_DIAG_MAX+1];
89f634f9 3402 struct sockstat stat = {};
2631b856
VK		 3403 uint32_t fanout = 0;
3404 bool has_fanout = false;
4a0053b6 3405
acd1e437 3406 parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr *)(r+1),
4a0053b6
VK		 3407 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
3408
3409 /* use /proc/net/packet if all info are not available */
3410 if (!tb[PACKET_DIAG_MEMINFO])
3411 return -1;
3412
2d791bc8
VK		 3413 stat.type = r->pdiag_type;
3414 stat.prot = r->pdiag_num;
3415 stat.ino = r->pdiag_ino;
3416 stat.state = SS_CLOSE;
f1b39e1b 3417 stat.sk = cookie_sk_get(&r->pdiag_cookie[0]);
4a0053b6
VK		 3418
3419 if (tb[PACKET_DIAG_MEMINFO]) {
3420 __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]);
acd1e437 3421
4a0053b6
VK		 3422 stat.rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC];
3423 }
3424
3425 if (tb[PACKET_DIAG_INFO]) {
2631b856 3426 pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]);
2d791bc8 3427 stat.lport = stat.iface = pinfo->pdi_index;
4a0053b6
VK		 3428 }
3429
f1b39e1b 3430 if (tb[PACKET_DIAG_UID])
9f1370c0 3431 stat.uid = rta_getattr_u32(tb[PACKET_DIAG_UID]);
f1b39e1b 3432
2631b856
VK		 3433 if (tb[PACKET_DIAG_RX_RING])
3434 ring_rx = RTA_DATA(tb[PACKET_DIAG_RX_RING]);
3435
3436 if (tb[PACKET_DIAG_TX_RING])
3437 ring_tx = RTA_DATA(tb[PACKET_DIAG_TX_RING]);
3438
3439 if (tb[PACKET_DIAG_FANOUT]) {
3440 has_fanout = true;
9f1370c0 3441 fanout = rta_getattr_u32(tb[PACKET_DIAG_FANOUT]);
2631b856
VK		 3442 }
3443
4a0053b6
VK		 3444 if (packet_stats_print(&stat, f))
3445 return 0;
3446
2631b856
VK		 3447 if (show_details) {
3448 if (pinfo) {
3449 printf("\n\tver:%d", pinfo->pdi_version);
3450 printf(" cpy_thresh:%d", pinfo->pdi_copy_thresh);
3451 printf(" flags( ");
3452 if (pinfo->pdi_flags & PDI_RUNNING)
3453 printf("running");
3454 if (pinfo->pdi_flags & PDI_AUXDATA)
3455 printf(" auxdata");
3456 if (pinfo->pdi_flags & PDI_ORIGDEV)
3457 printf(" origdev");
3458 if (pinfo->pdi_flags & PDI_VNETHDR)
3459 printf(" vnethdr");
3460 if (pinfo->pdi_flags & PDI_LOSS)
3461 printf(" loss");
3462 if (!pinfo->pdi_flags)
3463 printf("0");
3464 printf(" )");
3465 }
3466 if (ring_rx) {
3467 printf("\n\tring_rx(");
3468 packet_show_ring(ring_rx);
3469 printf(")");
3470 }
3471 if (ring_tx) {
3472 printf("\n\tring_tx(");
3473 packet_show_ring(ring_tx);
3474 printf(")");
3475 }
3476 if (has_fanout) {
3477 uint16_t type = (fanout >> 16) & 0xffff;
3478
3479 printf("\n\tfanout(");
3480 printf("id:%d,", fanout & 0xffff);
3481 printf("type:");
3482
3483 if (type == 0)
3484 printf("hash");
3485 else if (type == 1)
3486 printf("lb");
3487 else if (type == 2)
3488 printf("cpu");
3489 else if (type == 3)
3490 printf("roll");
3491 else if (type == 4)
3492 printf("random");
3493 else if (type == 5)
3494 printf("qm");
3495 else
3496 printf("0x%x", type);
3497
3498 printf(")");
3499 }
3500 }
3501
372c30d2
ND		 3502 if (show_bpf && tb[PACKET_DIAG_FILTER]) {
3503 struct sock_filter *fil =
3504 RTA_DATA(tb[PACKET_DIAG_FILTER]);
3505 int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) /
3506 sizeof(struct sock_filter);
3507
3508 printf("\n\tbpf filter (%d): ", num);
3509 while (num) {
3510 printf(" 0x%02x %u %u %u,",
3511 fil->code, fil->jt, fil->jf, fil->k);
3512 num--;
3513 fil++;
3514 }
3515 }
3516 printf("\n");
3517 return 0;
3518}
3519
8a4025f6 3520static int packet_show_netlink(struct filter *f)
372c30d2 3521{
5fb421d4 3522 DIAG_REQUEST(req, struct packet_diag_req r);
372c30d2 3523
372c30d2 3524 req.r.sdiag_family = AF_PACKET;
2631b856
VK		 3525 req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO |
3526 PACKET_SHOW_FILTER | PACKET_SHOW_RING_CFG | PACKET_SHOW_FANOUT;
372c30d2 3527
8a4025f6 3528 return handle_netlink_request(f, &req.nlh, sizeof(req), packet_show_sock);
372c30d2
ND		 3529}
3530
4a0053b6
VK		 3531static int packet_show_line(char *buf, const struct filter *f, int fam)
3532{
3533 unsigned long long sk;
89f634f9 3534 struct sockstat stat = {};
4a0053b6
VK		 3535 int type, prot, iface, state, rq, uid, ino;
3536
3537 sscanf(buf, "%llx %*d %d %x %d %d %u %u %u",
3538 &sk,
3539 &type, &prot, &iface, &state,
3540 &rq, &uid, &ino);
3541
3542 if (stat.type == SOCK_RAW && !(f->dbs&(1<<PACKET_R_DB)))
3543 return 0;
3544 if (stat.type == SOCK_DGRAM && !(f->dbs&(1<<PACKET_DG_DB)))
3545 return 0;
3546
3547 stat.type = type;
3548 stat.prot = prot;
2d791bc8 3549 stat.lport = stat.iface = iface;
4a0053b6
VK		 3550 stat.state = state;
3551 stat.rq = rq;
3552 stat.uid = uid;
3553 stat.ino = ino;
2d791bc8
VK		 3554 stat.state = SS_CLOSE;
3555
4a0053b6
VK		 3556 if (packet_stats_print(&stat, f))
3557 return 0;
3558
4a0053b6
VK		 3559 printf("\n");
3560 return 0;
3561}
aba5acdf 3562
d1f28cf1 3563static int packet_show(struct filter *f)
aba5acdf
SH		 3564{
3565 FILE *fp;
b95d28c3 3566 int rc = 0;
3d0b7439 3567
9db7bf15 3568 if (!filter_af_get(f, AF_PACKET) || !(f->states & (1 << SS_CLOSE)))
b9ea445d 3569 return 0;
aba5acdf 3570
4a0053b6
VK		 3571 if (!getenv("PROC_NET_PACKET") && !getenv("PROC_ROOT") &&
3572 packet_show_netlink(f) == 0)
372c30d2
ND		 3573 return 0;
3574
ab01dbbb 3575 if ((fp = net_packet_open()) == NULL)
aba5acdf 3576 return -1;
4a0053b6 3577 if (generic_record_read(fp, packet_show_line, f, AF_PACKET))
b95d28c3 3578 rc = -1;
aba5acdf 3579
b95d28c3
PS		 3580 fclose(fp);
3581 return rc;
aba5acdf
SH		 3582}
3583
5f24ec0e 3584static int netlink_show_one(struct filter *f,
acd1e437
SH		 3585 int prot, int pid, unsigned int groups,
3586 int state, int dst_pid, unsigned int dst_group,
129709ae
AV		 3587 int rq, int wq,
3588 unsigned long long sk, unsigned long long cb)
3589{
301826be
PS		 3590 struct sockstat st = {
3591 .state = SS_CLOSE,
3592 .rq = rq,
3593 .wq = wq,
3594 .local.family = AF_NETLINK,
3595 .remote.family = AF_NETLINK,
3596 };
acd1e437 3597
b217df10
VK		 3598 SPRINT_BUF(prot_buf) = {};
3599 const char *prot_name;
3600 char procname[64] = {};
eef43b50 3601
129709ae 3602 if (f->f) {
055840f2
VK		 3603 st.rport = -1;
3604 st.lport = pid;
3605 st.local.data[0] = prot;
055840f2 3606 if (run_ssfilter(f->f, &st) == 0)
5f24ec0e 3607 return 1;
129709ae
AV		 3608 }
3609
be7e4d20 3610 sock_state_print(&st);
eef43b50 3611
b217df10
VK		 3612 if (resolve_services)
3613 prot_name = nl_proto_n2a(prot, prot_buf, sizeof(prot_buf));
3614 else
3615 prot_name = int_to_str(prot, prot_buf);
eef43b50 3616
129709ae 3617 if (pid == -1) {
b217df10 3618 procname[0] = '*';
129709ae
AV		 3619 } else if (resolve_services) {
3620 int done = 0;
acd1e437 3621
129709ae
AV		 3622 if (!pid) {
3623 done = 1;
b217df10 3624 strncpy(procname, "kernel", 6);
129709ae 3625 } else if (pid > 0) {
129709ae 3626 FILE *fp;
acd1e437 3627
0ee9052f 3628 snprintf(procname, sizeof(procname), "%s/%d/stat",
129709ae
AV		 3629 getenv("PROC_ROOT") ? : "/proc", pid);
3630 if ((fp = fopen(procname, "r")) != NULL) {
3631 if (fscanf(fp, "%*d (%[^)])", procname) == 1) {
0ee9052f 3632 snprintf(procname+strlen(procname),
3633 sizeof(procname)-strlen(procname),
3634 "/%d", pid);
129709ae
AV		 3635 done = 1;
3636 }
3637 fclose(fp);
3638 }
3639 }
3640 if (!done)
b217df10 3641 int_to_str(pid, procname);
129709ae 3642 } else {
b217df10 3643 int_to_str(pid, procname);
129709ae 3644 }
f271fe01 3645
b217df10
VK		 3646 sock_addr_print(prot_name, ":", procname, NULL);
3647
f271fe01 3648 if (state == NETLINK_CONNECTED) {
b217df10
VK		 3649 char dst_group_buf[30];
3650 char dst_pid_buf[30];
acd1e437 3651
b217df10
VK		 3652 sock_addr_print(int_to_str(dst_group, dst_group_buf), ":",
3653 int_to_str(dst_pid, dst_pid_buf), NULL);
f271fe01 3654 } else {
b217df10 3655 sock_addr_print("", "*", "", NULL);
f271fe01 3656 }
129709ae 3657
116ac927 3658 char *pid_context = NULL;
acd1e437 3659
116ac927
RH		 3660 if (show_proc_ctx) {
3661 /* The pid value will either be:
3662 * 0 if destination kernel - show kernel initial context.
3663 * A valid process pid - use getpidcon.
3664 * A unique value allocated by the kernel or netlink user
3665 * to the process - show context as "not available".
3666 */
3667 if (!pid)
3668 security_get_initial_context("kernel", &pid_context);
3669 else if (pid > 0)
3670 getpidcon(pid, &pid_context);
3671
22658ff5
SB		 3672 printf(" proc_ctx=%s", pid_context ? : "unavailable");
3673 free(pid_context);
116ac927
RH		 3674 }
3675
129709ae
AV		 3676 if (show_details) {
3677 printf(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups);
3678 }
3679 printf("\n");
3680
5f24ec0e 3681 return 0;
129709ae
AV		 3682}
3683
8a4025f6 3684static int netlink_show_sock(const struct sockaddr_nl *addr,
3685 struct nlmsghdr *nlh, void *arg)
ecb928c8 3686{
8a4025f6 3687 struct filter *f = (struct filter *)arg;
ecb928c8
AV		 3688 struct netlink_diag_msg *r = NLMSG_DATA(nlh);
3689 struct rtattr *tb[NETLINK_DIAG_MAX+1];
3690 int rq = 0, wq = 0;
3691 unsigned long groups = 0;
3692
acd1e437 3693 parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr *)(r+1),
ecb928c8
AV		 3694 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
3695
3696 if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS]))
3697 groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]);
3698
3699 if (tb[NETLINK_DIAG_MEMINFO]) {
3700 const __u32 *skmeminfo;
acd1e437 3701
ecb928c8
AV		 3702 skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]);
3703
3704 rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC];
3705 wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC];
3706 }
3707
5f24ec0e 3708 if (netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups,
ecb928c8 3709 r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group,
5f24ec0e
VK		 3710 rq, wq, 0, 0)) {
3711 return 0;
3712 }
ecb928c8
AV		 3713
3714 if (show_mem) {
3715 printf("\t");
3716 print_skmeminfo(tb, NETLINK_DIAG_MEMINFO);
3717 printf("\n");
3718 }
3719
3720 return 0;
3721}
3722
8a4025f6 3723static int netlink_show_netlink(struct filter *f)
ecb928c8 3724{
5fb421d4 3725 DIAG_REQUEST(req, struct netlink_diag_req r);
ecb928c8
AV		 3726
3727 req.r.sdiag_family = AF_NETLINK;
3728 req.r.sdiag_protocol = NDIAG_PROTO_ALL;
3729 req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO;
3730
8a4025f6 3731 return handle_netlink_request(f, &req.nlh, sizeof(req), netlink_show_sock);
ecb928c8
AV		 3732}
3733
d1f28cf1 3734static int netlink_show(struct filter *f)
aba5acdf
SH		 3735{
3736 FILE *fp;
3737 char buf[256];
3738 int prot, pid;
acd1e437 3739 unsigned int groups;
aba5acdf
SH		 3740 int rq, wq, rc;
3741 unsigned long long sk, cb;
3742
9db7bf15 3743 if (!filter_af_get(f, AF_NETLINK) || !(f->states & (1 << SS_CLOSE)))
b9ea445d
VK		 3744 return 0;
3745
129709ae 3746 if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") &&
8a4025f6 3747 netlink_show_netlink(f) == 0)
129709ae
AV		 3748 return 0;
3749
ab01dbbb 3750 if ((fp = net_netlink_open()) == NULL)
aba5acdf 3751 return -1;
61170fd8 3752 if (!fgets(buf, sizeof(buf), fp)) {
d572ed4d
PS		 3753 fclose(fp);
3754 return -1;
3755 }
aba5acdf 3756
61170fd8 3757 while (fgets(buf, sizeof(buf), fp)) {
aba5acdf
SH		 3758 sscanf(buf, "%llx %d %d %x %d %d %llx %d",
3759 &sk,
3760 &prot, &pid, &groups, &rq, &wq, &cb, &rc);
3761
f271fe01 3762 netlink_show_one(f, prot, pid, groups, 0, 0, 0, rq, wq, sk, cb);
aba5acdf
SH		 3763 }
3764
b95d28c3 3765 fclose(fp);
aba5acdf
SH		 3766 return 0;
3767}
3768
c759116a
SH		 3769static bool vsock_type_skip(struct sockstat *s, struct filter *f)
3770{
3771 if (s->type == SOCK_STREAM && !(f->dbs & (1 << VSOCK_ST_DB)))
3772 return true;
3773 if (s->type == SOCK_DGRAM && !(f->dbs & (1 << VSOCK_DG_DB)))
3774 return true;
3775 return false;
3776}
3777
3778static void vsock_addr_print(inet_prefix *a, __u32 port)
3779{
3780 char cid_str[sizeof("4294967295")];
3781 char port_str[sizeof("4294967295")];
3782 __u32 cid;
3783
3784 memcpy(&cid, a->data, sizeof(cid));
3785
3786 if (cid == ~(__u32)0)
3787 snprintf(cid_str, sizeof(cid_str), "*");
3788 else
3789 snprintf(cid_str, sizeof(cid_str), "%u", cid);
3790
3791 if (port == ~(__u32)0)
3792 snprintf(port_str, sizeof(port_str), "*");
3793 else
3794 snprintf(port_str, sizeof(port_str), "%u", port);
3795
3796 sock_addr_print(cid_str, ":", port_str, NULL);
3797}
3798
3799static void vsock_stats_print(struct sockstat *s, struct filter *f)
3800{
3801 sock_state_print(s);
3802
3803 vsock_addr_print(&s->local, s->lport);
3804 vsock_addr_print(&s->remote, s->rport);
3805
3806 proc_ctx_print(s);
3807
3808 printf("\n");
3809}
3810
3811static int vsock_show_sock(const struct sockaddr_nl *addr,
3812 struct nlmsghdr *nlh, void *arg)
3813{
3814 struct filter *f = (struct filter *)arg;
3815 struct vsock_diag_msg *r = NLMSG_DATA(nlh);
3816 struct sockstat stat = {
3817 .type = r->vdiag_type,
3818 .lport = r->vdiag_src_port,
3819 .rport = r->vdiag_dst_port,
3820 .state = r->vdiag_state,
3821 .ino = r->vdiag_ino,
3822 };
3823
3824 vsock_set_inet_prefix(&stat.local, r->vdiag_src_cid);
3825 vsock_set_inet_prefix(&stat.remote, r->vdiag_dst_cid);
3826
3827 if (vsock_type_skip(&stat, f))
3828 return 0;
3829
3830 if (f->f && run_ssfilter(f->f, &stat) == 0)
3831 return 0;
3832
3833 vsock_stats_print(&stat, f);
3834
3835 return 0;
3836}
3837
3838static int vsock_show(struct filter *f)
3839{
3840 DIAG_REQUEST(req, struct vsock_diag_req r);
3841
3842 if (!filter_af_get(f, AF_VSOCK))
3843 return 0;
3844
3845 req.r.sdiag_family = AF_VSOCK;
3846 req.r.vdiag_states = f->states;
3847
3848 return handle_netlink_request(f, &req.nlh, sizeof(req), vsock_show_sock);
3849}
3850
6885e3bf
CG		 3851struct sock_diag_msg {
3852 __u8 sdiag_family;
3853};
3854
3855static int generic_show_sock(const struct sockaddr_nl *addr,
3856 struct nlmsghdr *nlh, void *arg)
3857{
3858 struct sock_diag_msg *r = NLMSG_DATA(nlh);
3859 struct inet_diag_arg inet_arg = { .f = arg, .protocol = IPPROTO_MAX };
3860
3861 switch (r->sdiag_family) {
3862 case AF_INET:
3863 case AF_INET6:
3864 return show_one_inet_sock(addr, nlh, &inet_arg);
3865 case AF_UNIX:
3866 return unix_show_sock(addr, nlh, arg);
3867 case AF_PACKET:
3868 return packet_show_sock(addr, nlh, arg);
3869 case AF_NETLINK:
3870 return netlink_show_sock(addr, nlh, arg);
c759116a
SH		 3871 case AF_VSOCK:
3872 return vsock_show_sock(addr, nlh, arg);
6885e3bf
CG		 3873 default:
3874 return -1;
3875 }
3876}
3877
3878static int handle_follow_request(struct filter *f)
3879{
6b224dad 3880 int ret = 0;
6885e3bf
CG		 3881 int groups = 0;
3882 struct rtnl_handle rth;
3883
b338a3e7 3884 if (f->families & FAMILY_MASK(AF_INET) && f->dbs & (1 << TCP_DB))
6885e3bf 3885 groups |= 1 << (SKNLGRP_INET_TCP_DESTROY - 1);
b338a3e7 3886 if (f->families & FAMILY_MASK(AF_INET) && f->dbs & (1 << UDP_DB))
6885e3bf 3887 groups |= 1 << (SKNLGRP_INET_UDP_DESTROY - 1);
b338a3e7 3888 if (f->families & FAMILY_MASK(AF_INET6) && f->dbs & (1 << TCP_DB))
6885e3bf 3889 groups |= 1 << (SKNLGRP_INET6_TCP_DESTROY - 1);
b338a3e7 3890 if (f->families & FAMILY_MASK(AF_INET6) && f->dbs & (1 << UDP_DB))
6885e3bf
CG		 3891 groups |= 1 << (SKNLGRP_INET6_UDP_DESTROY - 1);
3892
3893 if (groups == 0)
3894 return -1;
3895
3896 if (rtnl_open_byproto(&rth, groups, NETLINK_SOCK_DIAG))
3897 return -1;
3898
3899 rth.dump = 0;
3900 rth.local.nl_pid = 0;
3901
3902 if (rtnl_dump_filter(&rth, generic_show_sock, f))
6b224dad 3903 ret = -1;
6885e3bf 3904
6885e3bf
CG		 3905 rtnl_close(&rth);
3906 return ret;
3907}
3908
d1f28cf1 3909static int get_snmp_int(char *proto, char *key, int *result)
aba5acdf
SH		 3910{
3911 char buf[1024];
3912 FILE *fp;
3913 int protolen = strlen(proto);
3914 int keylen = strlen(key);
3915
3916 *result = 0;
3917
ab01dbbb 3918 if ((fp = net_snmp_open()) == NULL)
aba5acdf
SH		 3919 return -1;
3920
3921 while (fgets(buf, sizeof(buf), fp) != NULL) {
3922 char *p = buf;
3923 int pos = 0;
acd1e437 3924
aba5acdf
SH		 3925 if (memcmp(buf, proto, protolen))
3926 continue;
3927 while ((p = strchr(p, ' ')) != NULL) {
3928 pos++;
3929 p++;
3930 if (memcmp(p, key, keylen) == 0 &&
3931 (p[keylen] == ' ' || p[keylen] == '\n'))
3932 break;
3933 }
3934 if (fgets(buf, sizeof(buf), fp) == NULL)
3935 break;
3936 if (memcmp(buf, proto, protolen))
3937 break;
3938 p = buf;
3939 while ((p = strchr(p, ' ')) != NULL) {
3940 p++;
3941 if (--pos == 0) {
3942 sscanf(p, "%d", result);
3943 fclose(fp);
3944 return 0;
3945 }
3946 }
3947 }
3948
3949 fclose(fp);
3950 errno = ESRCH;
3951 return -1;
3952}
3953
3954
3955/* Get stats from sockstat */
3956
acd1e437 3957struct ssummary {
aba5acdf
SH		 3958 int socks;
3959 int tcp_mem;
3960 int tcp_total;
3961 int tcp_orphans;
3962 int tcp_tws;
3963 int tcp4_hashed;
3964 int udp4;
3965 int raw4;
3966 int frag4;
3967 int frag4_mem;
3968 int tcp6_hashed;
3969 int udp6;
3970 int raw6;
3971 int frag6;
3972 int frag6_mem;
3973};
3974
055840f2 3975static void get_sockstat_line(char *line, struct ssummary *s)
aba5acdf
SH		 3976{
3977 char id[256], rem[256];
3978
3979 if (sscanf(line, "%[^ ] %[^\n]\n", id, rem) != 2)
3980 return;
3981
3982 if (strcmp(id, "sockets:") == 0)
3983 sscanf(rem, "%*s%d", &s->socks);
3984 else if (strcmp(id, "UDP:") == 0)
3985 sscanf(rem, "%*s%d", &s->udp4);
3986 else if (strcmp(id, "UDP6:") == 0)
3987 sscanf(rem, "%*s%d", &s->udp6);
3988 else if (strcmp(id, "RAW:") == 0)
3989 sscanf(rem, "%*s%d", &s->raw4);
3990 else if (strcmp(id, "RAW6:") == 0)
3991 sscanf(rem, "%*s%d", &s->raw6);
3992 else if (strcmp(id, "TCP6:") == 0)
3993 sscanf(rem, "%*s%d", &s->tcp6_hashed);
3994 else if (strcmp(id, "FRAG:") == 0)
3995 sscanf(rem, "%*s%d%*s%d", &s->frag4, &s->frag4_mem);
3996 else if (strcmp(id, "FRAG6:") == 0)
3997 sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem);
3998 else if (strcmp(id, "TCP:") == 0)
3999 sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d",
4000 &s->tcp4_hashed,
4001 &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem);
4002}
4003
055840f2 4004static int get_sockstat(struct ssummary *s)
aba5acdf
SH		 4005{
4006 char buf[256];
4007 FILE *fp;
4008
4009 memset(s, 0, sizeof(*s));
4010
ab01dbbb 4011 if ((fp = net_sockstat_open()) == NULL)
aba5acdf 4012 return -1;
acd1e437 4013 while (fgets(buf, sizeof(buf), fp) != NULL)
aba5acdf
SH		 4014 get_sockstat_line(buf, s);
4015 fclose(fp);
4016
ab01dbbb 4017 if ((fp = net_sockstat6_open()) == NULL)
aba5acdf 4018 return 0;
acd1e437 4019 while (fgets(buf, sizeof(buf), fp) != NULL)
aba5acdf
SH		 4020 get_sockstat_line(buf, s);
4021 fclose(fp);
4022
4023 return 0;
4024}
4025
d1f28cf1 4026static int print_summary(void)
aba5acdf 4027{
055840f2 4028 struct ssummary s;
2f938ce1 4029 int tcp_estab;
aba5acdf
SH		 4030
4031 if (get_sockstat(&s) < 0)
4032 perror("ss: get_sockstat");
2f938ce1 4033 if (get_snmp_int("Tcp:", "CurrEstab", &tcp_estab) < 0)
aba5acdf
SH		 4034 perror("ss: get_snmpstat");
4035
a221d621
BL		 4036 get_slabstat(&slabstat);
4037
aba5acdf
SH		 4038 printf("Total: %d (kernel %d)\n", s.socks, slabstat.socks);
4039
4040 printf("TCP: %d (estab %d, closed %d, orphaned %d, synrecv %d, timewait %d/%d), ports %d\n",
4041 s.tcp_total + slabstat.tcp_syns + s.tcp_tws,
2f938ce1 4042 tcp_estab,
aba5acdf
SH		 4043 s.tcp_total - (s.tcp4_hashed+s.tcp6_hashed-s.tcp_tws),
4044 s.tcp_orphans,
4045 slabstat.tcp_syns,
4046 s.tcp_tws, slabstat.tcp_tws,
4047 slabstat.tcp_ports
4048 );
4049
4050 printf("\n");
4051 printf("Transport Total IP IPv6\n");
4052 printf("* %-9d %-9s %-9s\n", slabstat.socks, "-", "-");
4053 printf("RAW %-9d %-9d %-9d\n", s.raw4+s.raw6, s.raw4, s.raw6);
4054 printf("UDP %-9d %-9d %-9d\n", s.udp4+s.udp6, s.udp4, s.udp6);
4055 printf("TCP %-9d %-9d %-9d\n", s.tcp4_hashed+s.tcp6_hashed, s.tcp4_hashed, s.tcp6_hashed);
ae665a52 4056 printf("INET %-9d %-9d %-9d\n",
aba5acdf
SH		 4057 s.raw4+s.udp4+s.tcp4_hashed+
4058 s.raw6+s.udp6+s.tcp6_hashed,
4059 s.raw4+s.udp4+s.tcp4_hashed,
4060 s.raw6+s.udp6+s.tcp6_hashed);
4061 printf("FRAG %-9d %-9d %-9d\n", s.frag4+s.frag6, s.frag4, s.frag6);
4062
4063 printf("\n");
4064
4065 return 0;
4066}
4067
7a96e199 4068static void _usage(FILE *dest)
aba5acdf 4069{
7a96e199 4070 fprintf(dest,
aba5acdf
SH		 4071"Usage: ss [ OPTIONS ]\n"
4072" ss [ OPTIONS ] [ FILTER ]\n"
ff041f16
VK		 4073" -h, --help this message\n"
4074" -V, --version output version information\n"
4075" -n, --numeric don't resolve service names\n"
ab61159a 4076" -r, --resolve resolve host names\n"
ff041f16
VK		 4077" -a, --all display all sockets\n"
4078" -l, --listening display listening sockets\n"
ab61159a
SH		 4079" -o, --options show timer information\n"
4080" -e, --extended show detailed socket information\n"
4081" -m, --memory show socket memory usage\n"
ff041f16
VK		 4082" -p, --processes show process using socket\n"
4083" -i, --info show internal TCP information\n"
4084" -s, --summary show socket usage summary\n"
b0f01cf6 4085" -b, --bpf show bpf filter socket information\n"
6885e3bf 4086" -E, --events continually display sockets as they are destroyed\n"
ff041f16
VK		 4087" -Z, --context display process SELinux security contexts\n"
4088" -z, --contexts display process and socket SELinux security contexts\n"
95ce04bc 4089" -N, --net switch to the specified network namespace name\n"
ab61159a
SH		 4090"\n"
4091" -4, --ipv4 display only IP version 4 sockets\n"
4092" -6, --ipv6 display only IP version 6 sockets\n"
ff041f16
VK		 4093" -0, --packet display PACKET sockets\n"
4094" -t, --tcp display only TCP sockets\n"
f89d46ad 4095" -S, --sctp display only SCTP sockets\n"
ff041f16
VK		 4096" -u, --udp display only UDP sockets\n"
4097" -d, --dccp display only DCCP sockets\n"
4098" -w, --raw display only RAW sockets\n"
4099" -x, --unix display only Unix domain sockets\n"
c759116a 4100" --vsock display only vsock sockets\n"
ab61159a 4101" -f, --family=FAMILY display sockets of type FAMILY\n"
c759116a 4102" FAMILY := {inet|inet6|link|unix|netlink|vsock|help}\n"
ab61159a 4103"\n"
fb2594c1 4104" -K, --kill forcibly close sockets, display what was closed\n"
7a4559f6 4105" -H, --no-header Suppress header line\n"
fb2594c1 4106"\n"
583de149 4107" -A, --query=QUERY, --socket=QUERY\n"
c759116a 4108" QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram}[,QUERY]\n"
ab61159a 4109"\n"
583de149 4110" -D, --diag=FILE Dump raw information about TCP sockets to FILE\n"
ab61159a 4111" -F, --filter=FILE read filter information from FILE\n"
ff041f16
VK		 4112" FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n"
4113" STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n"
ae4e21c9 4114" TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listening|closing}\n"
ff041f16
VK		 4115" connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n"
4116" synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n"
4117" bucket := {syn-recv|time-wait}\n"
ae4e21c9 4118" big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listening|closing}\n"
ab61159a 4119 );
7a96e199
AH		 4120}
4121
4122static void help(void) __attribute__((noreturn));
4123static void help(void)
4124{
4125 _usage(stdout);
4126 exit(0);
4127}
4128
4129static void usage(void) __attribute__((noreturn));
4130static void usage(void)
4131{
4132 _usage(stderr);
aba5acdf
SH		 4133 exit(-1);
4134}
4135
4136
d1f28cf1 4137static int scan_state(const char *state)
aba5acdf 4138{
b710a722
PS		 4139 static const char * const sstate_namel[] = {
4140 "UNKNOWN",
4141 [SS_ESTABLISHED] = "established",
4142 [SS_SYN_SENT] = "syn-sent",
4143 [SS_SYN_RECV] = "syn-recv",
4144 [SS_FIN_WAIT1] = "fin-wait-1",
4145 [SS_FIN_WAIT2] = "fin-wait-2",
4146 [SS_TIME_WAIT] = "time-wait",
4147 [SS_CLOSE] = "unconnected",
4148 [SS_CLOSE_WAIT] = "close-wait",
4149 [SS_LAST_ACK] = "last-ack",
4150 [SS_LISTEN] = "listening",
4151 [SS_CLOSING] = "closing",
4152 };
aba5acdf 4153 int i;
acd1e437 4154
aba5acdf
SH		 4155 if (strcasecmp(state, "close") == 0 ||
4156 strcasecmp(state, "closed") == 0)
4157 return (1<<SS_CLOSE);
4158 if (strcasecmp(state, "syn-rcv") == 0)
4159 return (1<<SS_SYN_RECV);
1a5bad5a 4160 if (strcasecmp(state, "established") == 0)
aba5acdf
SH		 4161 return (1<<SS_ESTABLISHED);
4162 if (strcasecmp(state, "all") == 0)
4163 return SS_ALL;
4164 if (strcasecmp(state, "connected") == 0)
4165 return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN));
1a5bad5a 4166 if (strcasecmp(state, "synchronized") == 0)
aba5acdf
SH		 4167 return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)|(1<<SS_SYN_SENT));
4168 if (strcasecmp(state, "bucket") == 0)
4169 return (1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT);
4170 if (strcasecmp(state, "big") == 0)
4171 return SS_ALL & ~((1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT));
acd1e437 4172 for (i = 0; i < SS_MAX; i++) {
1a5bad5a 4173 if (strcasecmp(state, sstate_namel[i]) == 0)
aba5acdf
SH		 4174 return (1<<i);
4175 }
9db7bf15
VK		 4176
4177 fprintf(stderr, "ss: wrong state name: %s\n", state);
4178 exit(-1);
aba5acdf
SH		 4179}
4180
c759116a
SH		 4181/* Values 'v' and 'V' are already used so a non-character is used */
4182#define OPT_VSOCK 256
4183
ab61159a
SH		 4184static const struct option long_opts[] = {
4185 { "numeric", 0, 0, 'n' },
4186 { "resolve", 0, 0, 'r' },
4187 { "options", 0, 0, 'o' },
4188 { "extended", 0, 0, 'e' },
4189 { "memory", 0, 0, 'm' },
4190 { "info", 0, 0, 'i' },
4191 { "processes", 0, 0, 'p' },
372c30d2 4192 { "bpf", 0, 0, 'b' },
6885e3bf 4193 { "events", 0, 0, 'E' },
351efcde 4194 { "dccp", 0, 0, 'd' },
ab61159a 4195 { "tcp", 0, 0, 't' },
f89d46ad 4196 { "sctp", 0, 0, 'S' },
ab61159a
SH		 4197 { "udp", 0, 0, 'u' },
4198 { "raw", 0, 0, 'w' },
4199 { "unix", 0, 0, 'x' },
c759116a 4200 { "vsock", 0, 0, OPT_VSOCK },
ab61159a
SH		 4201 { "all", 0, 0, 'a' },
4202 { "listening", 0, 0, 'l' },
4203 { "ipv4", 0, 0, '4' },
4204 { "ipv6", 0, 0, '6' },
4205 { "packet", 0, 0, '0' },
4206 { "family", 1, 0, 'f' },
4207 { "socket", 1, 0, 'A' },
583de149 4208 { "query", 1, 0, 'A' },
c3f346b0 4209 { "summary", 0, 0, 's' },
583de149 4210 { "diag", 1, 0, 'D' },
ab61159a
SH		 4211 { "filter", 1, 0, 'F' },
4212 { "version", 0, 0, 'V' },
4213 { "help", 0, 0, 'h' },
116ac927
RH		 4214 { "context", 0, 0, 'Z' },
4215 { "contexts", 0, 0, 'z' },
95ce04bc 4216 { "net", 1, 0, 'N' },
fb2594c1 4217 { "kill", 0, 0, 'K' },
7a4559f6 4218 { "no-header", 0, 0, 'H' },
ab61159a 4219 { 0 }
ae665a52 4220
ab61159a
SH		 4221};
4222
aba5acdf
SH		 4223int main(int argc, char *argv[])
4224{
aba5acdf
SH		 4225 int saw_states = 0;
4226 int saw_query = 0;
4227 int do_summary = 0;
7d105b56 4228 const char *dump_tcpdiag = NULL;
aba5acdf
SH		 4229 FILE *filter_fp = NULL;
4230 int ch;
9db7bf15 4231 int state_filter = 0;
95eafe43 4232 int addrp_width, screen_width = 80;
aba5acdf 4233
168d97f9
SH		 4234 while ((ch = getopt_long(argc, argv,
4235 "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KHS",
ab61159a 4236 long_opts, NULL)) != EOF) {
acd1e437 4237 switch (ch) {
aba5acdf
SH		 4238 case 'n':
4239 resolve_services = 0;
4240 break;
4241 case 'r':
4242 resolve_hosts = 1;
4243 break;
4244 case 'o':
4245 show_options = 1;
4246 break;
4247 case 'e':
4248 show_options = 1;
4249 show_details++;
4250 break;
4251 case 'm':
4252 show_mem = 1;
4253 break;
4254 case 'i':
4255 show_tcpinfo = 1;
4256 break;
4257 case 'p':
4258 show_users++;
fbc0f876 4259 user_ent_hash_build();
aba5acdf 4260 break;
372c30d2
ND		 4261 case 'b':
4262 show_options = 1;
4263 show_bpf++;
4264 break;
6885e3bf
CG		 4265 case 'E':
4266 follow_events = 1;
4267 break;
351efcde 4268 case 'd':
57ff5a10 4269 filter_db_set(&current_filter, DCCP_DB);
351efcde 4270 break;
aba5acdf 4271 case 't':
57ff5a10 4272 filter_db_set(&current_filter, TCP_DB);
aba5acdf 4273 break;
f89d46ad
PS		 4274 case 'S':
4275 filter_db_set(&current_filter, SCTP_DB);
4276 break;
aba5acdf 4277 case 'u':
57ff5a10 4278 filter_db_set(&current_filter, UDP_DB);
aba5acdf
SH		 4279 break;
4280 case 'w':
57ff5a10 4281 filter_db_set(&current_filter, RAW_DB);
aba5acdf
SH		 4282 break;
4283 case 'x':
9db7bf15 4284 filter_af_set(&current_filter, AF_UNIX);
aba5acdf 4285 break;
c759116a
SH		 4286 case OPT_VSOCK:
4287 filter_af_set(&current_filter, AF_VSOCK);
4288 break;
aba5acdf 4289 case 'a':
9db7bf15 4290 state_filter = SS_ALL;
aba5acdf
SH		 4291 break;
4292 case 'l':
9db7bf15 4293 state_filter = (1 << SS_LISTEN) | (1 << SS_CLOSE);
aba5acdf
SH		 4294 break;
4295 case '4':
9db7bf15 4296 filter_af_set(&current_filter, AF_INET);
aba5acdf
SH		 4297 break;
4298 case '6':
9db7bf15 4299 filter_af_set(&current_filter, AF_INET6);
aba5acdf
SH		 4300 break;
4301 case '0':
9db7bf15 4302 filter_af_set(&current_filter, AF_PACKET);
aba5acdf
SH		 4303 break;
4304 case 'f':
4305 if (strcmp(optarg, "inet") == 0)
9db7bf15 4306 filter_af_set(&current_filter, AF_INET);
aba5acdf 4307 else if (strcmp(optarg, "inet6") == 0)
9db7bf15 4308 filter_af_set(&current_filter, AF_INET6);
aba5acdf 4309 else if (strcmp(optarg, "link") == 0)
9db7bf15 4310 filter_af_set(&current_filter, AF_PACKET);
aba5acdf 4311 else if (strcmp(optarg, "unix") == 0)
9db7bf15 4312 filter_af_set(&current_filter, AF_UNIX);
aba5acdf 4313 else if (strcmp(optarg, "netlink") == 0)
9db7bf15 4314 filter_af_set(&current_filter, AF_NETLINK);
c759116a
SH		 4315 else if (strcmp(optarg, "vsock") == 0)
4316 filter_af_set(&current_filter, AF_VSOCK);
aba5acdf 4317 else if (strcmp(optarg, "help") == 0)
7a96e199 4318 help();
aba5acdf 4319 else {
9db7bf15
VK		 4320 fprintf(stderr, "ss: \"%s\" is invalid family\n",
4321 optarg);
aba5acdf
SH		 4322 usage();
4323 }
4324 break;
4325 case 'A':
4326 {
4327 char *p, *p1;
acd1e437 4328
aba5acdf
SH		 4329 if (!saw_query) {
4330 current_filter.dbs = 0;
7f9dddbe 4331 state_filter = state_filter ?
acd1e437 4332 state_filter : SS_CONN;
aba5acdf
SH		 4333 saw_query = 1;
4334 do_default = 0;
4335 }
4336 p = p1 = optarg;
4337 do {
4338 if ((p1 = strchr(p, ',')) != NULL)
ae665a52 4339 *p1 = 0;
aba5acdf 4340 if (strcmp(p, "all") == 0) {
57ff5a10 4341 filter_default_dbs(&current_filter);
aba5acdf 4342 } else if (strcmp(p, "inet") == 0) {
57ff5a10
VK		 4343 filter_db_set(&current_filter, UDP_DB);
4344 filter_db_set(&current_filter, DCCP_DB);
4345 filter_db_set(&current_filter, TCP_DB);
f89d46ad 4346 filter_db_set(&current_filter, SCTP_DB);
57ff5a10 4347 filter_db_set(&current_filter, RAW_DB);
aba5acdf 4348 } else if (strcmp(p, "udp") == 0) {
57ff5a10 4349 filter_db_set(&current_filter, UDP_DB);
351efcde 4350 } else if (strcmp(p, "dccp") == 0) {
57ff5a10 4351 filter_db_set(&current_filter, DCCP_DB);
aba5acdf 4352 } else if (strcmp(p, "tcp") == 0) {
57ff5a10 4353 filter_db_set(&current_filter, TCP_DB);
f89d46ad
PS		 4354 } else if (strcmp(p, "sctp") == 0) {
4355 filter_db_set(&current_filter, SCTP_DB);
aba5acdf 4356 } else if (strcmp(p, "raw") == 0) {
57ff5a10 4357 filter_db_set(&current_filter, RAW_DB);
aba5acdf 4358 } else if (strcmp(p, "unix") == 0) {
57ff5a10
VK		 4359 filter_db_set(&current_filter, UNIX_ST_DB);
4360 filter_db_set(&current_filter, UNIX_DG_DB);
4361 filter_db_set(&current_filter, UNIX_SQ_DB);
1a5bad5a 4362 } else if (strcasecmp(p, "unix_stream") == 0 ||
aba5acdf 4363 strcmp(p, "u_str") == 0) {
57ff5a10 4364 filter_db_set(&current_filter, UNIX_ST_DB);
1a5bad5a 4365 } else if (strcasecmp(p, "unix_dgram") == 0 ||
aba5acdf 4366 strcmp(p, "u_dgr") == 0) {
57ff5a10 4367 filter_db_set(&current_filter, UNIX_DG_DB);
30b669d7
MY		 4368 } else if (strcasecmp(p, "unix_seqpacket") == 0 ||
4369 strcmp(p, "u_seq") == 0) {
57ff5a10 4370 filter_db_set(&current_filter, UNIX_SQ_DB);
aba5acdf 4371 } else if (strcmp(p, "packet") == 0) {
57ff5a10
VK		 4372 filter_db_set(&current_filter, PACKET_R_DB);
4373 filter_db_set(&current_filter, PACKET_DG_DB);
aba5acdf
SH		 4374 } else if (strcmp(p, "packet_raw") == 0 ||
4375 strcmp(p, "p_raw") == 0) {
57ff5a10 4376 filter_db_set(&current_filter, PACKET_R_DB);
aba5acdf
SH		 4377 } else if (strcmp(p, "packet_dgram") == 0 ||
4378 strcmp(p, "p_dgr") == 0) {
57ff5a10 4379 filter_db_set(&current_filter, PACKET_DG_DB);
aba5acdf 4380 } else if (strcmp(p, "netlink") == 0) {
57ff5a10 4381 filter_db_set(&current_filter, NETLINK_DB);
c759116a
SH		 4382 } else if (strcmp(p, "vsock") == 0) {
4383 filter_db_set(&current_filter, VSOCK_ST_DB);
4384 filter_db_set(&current_filter, VSOCK_DG_DB);
4385 } else if (strcmp(p, "vsock_stream") == 0 ||
4386 strcmp(p, "v_str") == 0) {
4387 filter_db_set(&current_filter, VSOCK_ST_DB);
4388 } else if (strcmp(p, "vsock_dgram") == 0 ||
4389 strcmp(p, "v_dgr") == 0) {
4390 filter_db_set(&current_filter, VSOCK_DG_DB);
aba5acdf
SH		 4391 } else {
4392 fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p);
4393 usage();
4394 }
4395 p = p1 + 1;
4396 } while (p1);
4397 break;
4398 }
4399 case 's':
4400 do_summary = 1;
4401 break;
4402 case 'D':
4403 dump_tcpdiag = optarg;
4404 break;
4405 case 'F':
4406 if (filter_fp) {
4407 fprintf(stderr, "More than one filter file\n");
4408 exit(-1);
4409 }
4410 if (optarg[0] == '-')
4411 filter_fp = stdin;
4412 else
4413 filter_fp = fopen(optarg, "r");
4414 if (!filter_fp) {
4415 perror("fopen filter file");
4416 exit(-1);
4417 }
4418 break;
4419 case 'v':
4420 case 'V':
4421 printf("ss utility, iproute2-ss%s\n", SNAPSHOT);
4422 exit(0);
116ac927
RH		 4423 case 'z':
4424 show_sock_ctx++;
36df1a6e 4425 /* fall through */
116ac927
RH		 4426 case 'Z':
4427 if (is_selinux_enabled() <= 0) {
4428 fprintf(stderr, "ss: SELinux is not enabled.\n");
4429 exit(1);
4430 }
4431 show_proc_ctx++;
4432 user_ent_hash_build();
4433 break;
95ce04bc
VK		 4434 case 'N':
4435 if (netns_switch(optarg))
4436 exit(1);
4437 break;
fb2594c1
LC		 4438 case 'K':
4439 current_filter.kill = 1;
4440 break;
7a4559f6
DA		 4441 case 'H':
4442 show_header = 0;
4443 break;
aba5acdf 4444 case 'h':
7a96e199 4445 help();
f73105ab 4446 case '?':
aba5acdf
SH		 4447 default:
4448 usage();
4449 }
4450 }
4451
4452 argc -= optind;
4453 argv += optind;
4454
aba5acdf
SH		 4455 if (do_summary) {
4456 print_summary();
4457 if (do_default && argc == 0)
4458 exit(0);
4459 }
4460
aba5acdf
SH		 4461 while (argc > 0) {
4462 if (strcmp(*argv, "state") == 0) {
4463 NEXT_ARG();
4464 if (!saw_states)
9db7bf15
VK		 4465 state_filter = 0;
4466 state_filter |= scan_state(*argv);
aba5acdf
SH		 4467 saw_states = 1;
4468 } else if (strcmp(*argv, "exclude") == 0 ||
4469 strcmp(*argv, "excl") == 0) {
4470 NEXT_ARG();
4471 if (!saw_states)
9db7bf15
VK		 4472 state_filter = SS_ALL;
4473 state_filter &= ~scan_state(*argv);
aba5acdf
SH		 4474 saw_states = 1;
4475 } else {
aba5acdf
SH		 4476 break;
4477 }
4478 argc--; argv++;
4479 }
4480
9db7bf15
VK		 4481 if (do_default) {
4482 state_filter = state_filter ? state_filter : SS_CONN;
4483 filter_default_dbs(&current_filter);
9db7bf15
VK		 4484 }
4485
57ff5a10
VK		 4486 filter_states_set(&current_filter, state_filter);
4487 filter_merge_defaults(&current_filter);
4488
9db7bf15 4489 if (resolve_services && resolve_hosts &&
168d97f9 4490 (current_filter.dbs & (UNIX_DBM|INET_L4_DBM)))
9db7bf15
VK		 4491 init_service_resolver();
4492
9db7bf15
VK		 4493 if (current_filter.dbs == 0) {
4494 fprintf(stderr, "ss: no socket tables to show with such filter.\n");
4495 exit(0);
4496 }
4497 if (current_filter.families == 0) {
4498 fprintf(stderr, "ss: no families to show with such filter.\n");
4499 exit(0);
4500 }
aba5acdf
SH		 4501 if (current_filter.states == 0) {
4502 fprintf(stderr, "ss: no socket states to show with such filter.\n");
4503 exit(0);
4504 }
4505
4506 if (dump_tcpdiag) {
4507 FILE *dump_fp = stdout;
acd1e437 4508
aba5acdf
SH		 4509 if (!(current_filter.dbs & (1<<TCP_DB))) {
4510 fprintf(stderr, "ss: tcpdiag dump requested and no tcp in filter.\n");
4511 exit(0);
4512 }
4513 if (dump_tcpdiag[0] != '-') {
4514 dump_fp = fopen(dump_tcpdiag, "w");
4515 if (!dump_tcpdiag) {
4516 perror("fopen dump file");
4517 exit(-1);
4518 }
4519 }
3fe5b534 4520 inet_show_netlink(&current_filter, dump_fp, IPPROTO_TCP);
aba5acdf
SH		 4521 fflush(dump_fp);
4522 exit(0);
4523 }
4524
1527a17e
VK		 4525 if (ssfilter_parse(&current_filter.f, argc, argv, filter_fp))
4526 usage();
4527
aba5acdf
SH		 4528 netid_width = 0;
4529 if (current_filter.dbs&(current_filter.dbs-1))
4530 netid_width = 5;
4531
4532 state_width = 0;
4533 if (current_filter.states&(current_filter.states-1))
4534 state_width = 10;
4535
aba5acdf
SH		 4536 if (isatty(STDOUT_FILENO)) {
4537 struct winsize w;
4538
4539 if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) {
4540 if (w.ws_col > 0)
4541 screen_width = w.ws_col;
4542 }
4543 }
4544
4545 addrp_width = screen_width;
4357f5c3
SB		 4546 if (netid_width)
4547 addrp_width -= netid_width + 1;
4548 if (state_width)
4549 addrp_width -= state_width + 1;
aba5acdf
SH		 4550 addrp_width -= 14;
4551
4552 if (addrp_width&1) {
4553 if (netid_width)
4554 netid_width++;
4555 else if (state_width)
4556 state_width++;
4357f5c3
SB		 4557 else
4558 odd_width_pad = " ";
aba5acdf
SH		 4559 }
4560
4561 addrp_width /= 2;
4562 addrp_width--;
4563
4564 serv_width = resolve_services ? 7 : 5;
4565
4566 if (addrp_width < 15+serv_width+1)
4567 addrp_width = 15+serv_width+1;
4568
ae665a52 4569 addr_width = addrp_width - serv_width - 1;
aba5acdf 4570
7a4559f6
DA		 4571 if (show_header) {
4572 if (netid_width)
4573 printf("%-*s ", netid_width, "Netid");
4574 if (state_width)
4575 printf("%-*s ", state_width, "State");
4357f5c3 4576 printf("%-6s %-6s %s", "Recv-Q", "Send-Q", odd_width_pad);
7a4559f6 4577 }
aba5acdf 4578
d68e00f7 4579 /* Make enough space for the local/remote port field */
4580 addr_width -= 13;
4581 serv_width += 13;
2dc85485 4582
7a4559f6
DA		 4583 if (show_header) {
4584 printf("%*s:%-*s %*s:%-*s\n",
4585 addr_width, "Local Address", serv_width, "Port",
4586 addr_width, "Peer Address", serv_width, "Port");
4587 }
aba5acdf 4588
aba5acdf
SH		 4589 fflush(stdout);
4590
6885e3bf
CG		 4591 if (follow_events)
4592 exit(handle_follow_request(&current_filter));
4593
aba5acdf
SH		 4594 if (current_filter.dbs & (1<<NETLINK_DB))
4595 netlink_show(&current_filter);
4596 if (current_filter.dbs & PACKET_DBM)
4597 packet_show(&current_filter);
4598 if (current_filter.dbs & UNIX_DBM)
4599 unix_show(&current_filter);
4600 if (current_filter.dbs & (1<<RAW_DB))
4601 raw_show(&current_filter);
4602 if (current_filter.dbs & (1<<UDP_DB))
4603 udp_show(&current_filter);
4604 if (current_filter.dbs & (1<<TCP_DB))
6c6bbc30 4605 tcp_show(&current_filter);
351efcde 4606 if (current_filter.dbs & (1<<DCCP_DB))
6c6bbc30 4607 dccp_show(&current_filter);
f89d46ad
PS		 4608 if (current_filter.dbs & (1<<SCTP_DB))
4609 sctp_show(&current_filter);
c759116a
SH		 4610 if (current_filter.dbs & VSOCK_DBM)
4611 vsock_show(&current_filter);
116ac927
RH		 4612
4613 if (show_users || show_proc_ctx || show_sock_ctx)
4614 user_ent_destroy();
4615
aba5acdf
SH		 4616 return 0;
4617}
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