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ss: Render buffer to output every time a number of chunks are allocated
[mirror_iproute2.git] / misc / ss.c
CommitLineData
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>
0bab7630 19#include <sys/sysmacros.h>
aba5acdf
SH		 20#include <netinet/in.h>
21#include <string.h>
22#include <errno.h>
23#include <netdb.h>
24#include <arpa/inet.h>
aba5acdf
SH		 25#include <dirent.h>
26#include <fnmatch.h>
ab61159a 27#include <getopt.h>
bf4ceee6 28#include <stdbool.h>
6b376ebd 29#include <limits.h>
90351722 30#include <stdarg.h>
aba5acdf
SH		 31
32#include "utils.h"
33#include "rt_names.h"
34#include "ll_map.h"
35#include "libnetlink.h"
95ce04bc 36#include "namespace.h"
aba5acdf
SH		 37#include "SNAPSHOT.h"
38
9cb1eccf 39#include <linux/tcp.h>
f6062360 40#include <linux/sock_diag.h>
351efcde 41#include <linux/inet_diag.h>
dfbaa90d 42#include <linux/unix_diag.h>
372c30d2
ND		 43#include <linux/netdevice.h> /* for MAX_ADDR_LEN */
44#include <linux/filter.h>
45#include <linux/packet_diag.h>
ecb928c8 46#include <linux/netlink_diag.h>
f89d46ad 47#include <linux/sctp.h>
c759116a 48#include <linux/vm_sockets_diag.h>
5caf79a0
GM		 49#include <linux/net.h>
50#include <linux/tipc.h>
51#include <linux/tipc_netlink.h>
52#include <linux/tipc_sockets_diag.h>
aba5acdf 53
9700927a
TDS		 54/* AF_VSOCK/PF_VSOCK is only provided since glibc 2.18 */
55#ifndef PF_VSOCK
56#define PF_VSOCK 40
57#endif
58#ifndef AF_VSOCK
59#define AF_VSOCK PF_VSOCK
60#endif
61
8a4025f6 62#define MAGIC_SEQ 123456
aa5bd6a2
SB		 63#define BUF_CHUNK (1024 * 1024) /* Buffer chunk allocation size */
64#define BUF_CHUNKS_MAX 5 /* Maximum number of allocated buffer chunks */
691bd854 65#define LEN_ALIGN(x) (((x) + 1) & ~1)
8a4025f6 66
5fb421d4 67#define DIAG_REQUEST(_req, _r) \
68 struct { \
69 struct nlmsghdr nlh; \
70 _r; \
71 } _req = { \
72 .nlh = { \
73 .nlmsg_type = SOCK_DIAG_BY_FAMILY, \
74 .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\
8a4025f6 75 .nlmsg_seq = MAGIC_SEQ, \
5fb421d4 76 .nlmsg_len = sizeof(_req), \
77 }, \
78 }
79
116ac927
RH		 80#if HAVE_SELINUX
81#include <selinux/selinux.h>
82#else
83/* Stubs for SELinux functions */
84static int is_selinux_enabled(void)
85{
86 return -1;
87}
88
89static int getpidcon(pid_t pid, char **context)
90{
91 *context = NULL;
92 return -1;
93}
94
95static int getfilecon(char *path, char **context)
96{
97 *context = NULL;
98 return -1;
99}
100
101static int security_get_initial_context(char *name, char **context)
102{
103 *context = NULL;
104 return -1;
105}
106#endif
107
3f7bd0fd 108static int resolve_services = 1;
aba5acdf 109int preferred_family = AF_UNSPEC;
3f7bd0fd 110static int show_options;
acd1e437 111int show_details;
3f7bd0fd
SH		 112static int show_users;
113static int show_mem;
114static int show_tcpinfo;
115static int show_bpf;
116static int show_proc_ctx;
117static int show_sock_ctx;
118static int show_header = 1;
119static int follow_events;
120static int sctp_ino;
121static int show_tipcinfo;
0f3f0ca3 122static int show_tos;
aba5acdf 123
59f46b7b
SB		 124enum col_id {
125 COL_NETID,
126 COL_STATE,
127 COL_RECVQ,
128 COL_SENDQ,
129 COL_ADDR,
130 COL_SERV,
131 COL_RADDR,
132 COL_RSERV,
133 COL_EXT,
134 COL_MAX
135};
136
137enum col_align {
138 ALIGN_LEFT,
139 ALIGN_CENTER,
140 ALIGN_RIGHT
141};
142
143struct column {
144 const enum col_align align;
145 const char *header;
146 const char *ldelim;
87b1a7ae
SB		 147 int disabled;
148 int width; /* Calculated, including additional layout spacing */
149 int max_len; /* Measured maximum field length in this column */
59f46b7b
SB		 150};
151
152static struct column columns[] = {
87b1a7ae
SB		 153 { ALIGN_LEFT, "Netid", "", 0, 0, 0 },
154 { ALIGN_LEFT, "State", " ", 0, 0, 0 },
155 { ALIGN_LEFT, "Recv-Q", " ", 0, 0, 0 },
156 { ALIGN_LEFT, "Send-Q", " ", 0, 0, 0 },
157 { ALIGN_RIGHT, "Local Address:", " ", 0, 0, 0 },
158 { ALIGN_LEFT, "Port", "", 0, 0, 0 },
159 { ALIGN_RIGHT, "Peer Address:", " ", 0, 0, 0 },
160 { ALIGN_LEFT, "Port", "", 0, 0, 0 },
161 { ALIGN_LEFT, "", "", 0, 0, 0 },
59f46b7b
SB		 162};
163
164static struct column *current_field = columns;
691bd854
SB		 165
166/* Output buffer: chained chunks of BUF_CHUNK bytes. Each field is written to
167 * the buffer as a variable size token. A token consists of a 16 bits length
168 * field, followed by a string which is not NULL-terminated.
169 *
170 * A new chunk is allocated and linked when the current chunk doesn't have
171 * enough room to store the current token as a whole.
172 */
173struct buf_chunk {
174 struct buf_chunk *next; /* Next chained chunk */
175 char *end; /* Current end of content */
176 char data[0];
177};
178
179struct buf_token {
180 uint16_t len; /* Data length, excluding length descriptor */
181 char data[0];
182};
183
184static struct {
185 struct buf_token *cur; /* Position of current token in chunk */
186 struct buf_chunk *head; /* First chunk */
187 struct buf_chunk *tail; /* Current chunk */
aa5bd6a2 188 int chunks; /* Number of allocated chunks */
691bd854 189} buffer;
aba5acdf
SH		 190
191static const char *TCP_PROTO = "tcp";
f89d46ad 192static const char *SCTP_PROTO = "sctp";
aba5acdf
SH		 193static const char *UDP_PROTO = "udp";
194static const char *RAW_PROTO = "raw";
acd1e437 195static const char *dg_proto;
aba5acdf 196
acd1e437 197enum {
aba5acdf 198 TCP_DB,
351efcde 199 DCCP_DB,
aba5acdf
SH		 200 UDP_DB,
201 RAW_DB,
202 UNIX_DG_DB,
203 UNIX_ST_DB,
30b669d7 204 UNIX_SQ_DB,
aba5acdf
SH		 205 PACKET_DG_DB,
206 PACKET_R_DB,
207 NETLINK_DB,
f89d46ad 208 SCTP_DB,
c759116a
SH		 209 VSOCK_ST_DB,
210 VSOCK_DG_DB,
5caf79a0 211 TIPC_DB,
aba5acdf
SH		 212 MAX_DB
213};
214
215#define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB))
30b669d7 216#define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB))
aba5acdf 217#define ALL_DB ((1<<MAX_DB)-1)
168d97f9
SH		 218#define INET_L4_DBM ((1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)|(1<<SCTP_DB))
219#define INET_DBM (INET_L4_DBM | (1<<RAW_DB))
c759116a 220#define VSOCK_DBM ((1<<VSOCK_ST_DB)|(1<<VSOCK_DG_DB))
aba5acdf
SH		 221
222enum {
7d105b56
SH		 223 SS_UNKNOWN,
224 SS_ESTABLISHED,
225 SS_SYN_SENT,
226 SS_SYN_RECV,
227 SS_FIN_WAIT1,
228 SS_FIN_WAIT2,
229 SS_TIME_WAIT,
230 SS_CLOSE,
231 SS_CLOSE_WAIT,
232 SS_LAST_ACK,
233 SS_LISTEN,
234 SS_CLOSING,
235 SS_MAX
aba5acdf
SH		 236};
237
f89d46ad
PS		 238enum {
239 SCTP_STATE_CLOSED = 0,
240 SCTP_STATE_COOKIE_WAIT = 1,
241 SCTP_STATE_COOKIE_ECHOED = 2,
242 SCTP_STATE_ESTABLISHED = 3,
243 SCTP_STATE_SHUTDOWN_PENDING = 4,
244 SCTP_STATE_SHUTDOWN_SENT = 5,
245 SCTP_STATE_SHUTDOWN_RECEIVED = 6,
246 SCTP_STATE_SHUTDOWN_ACK_SENT = 7,
247};
248
9db7bf15
VK		 249#define SS_ALL ((1 << SS_MAX) - 1)
250#define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV)))
5caf79a0 251#define TIPC_SS_CONN ((1<<SS_ESTABLISHED)|(1<<SS_LISTEN)|(1<<SS_CLOSE))
aba5acdf
SH		 252
253#include "ssfilter.h"
254
acd1e437 255struct filter {
aba5acdf
SH		 256 int dbs;
257 int states;
b338a3e7 258 uint64_t families;
aba5acdf 259 struct ssfilter *f;
fb2594c1 260 bool kill;
97352f1b 261 struct rtnl_handle *rth_for_killing;
aba5acdf
SH		 262};
263
b338a3e7
SH		 264#define FAMILY_MASK(family) ((uint64_t)1 << (family))
265
9db7bf15
VK		 266static const struct filter default_dbs[MAX_DB] = {
267 [TCP_DB] = {
268 .states = SS_CONN,
b338a3e7 269 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
9db7bf15
VK		 270 },
271 [DCCP_DB] = {
272 .states = SS_CONN,
b338a3e7 273 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
9db7bf15
VK		 274 },
275 [UDP_DB] = {
f42a4574 276 .states = (1 << SS_ESTABLISHED),
b338a3e7 277 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
9db7bf15
VK		 278 },
279 [RAW_DB] = {
f42a4574 280 .states = (1 << SS_ESTABLISHED),
b338a3e7 281 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
9db7bf15
VK		 282 },
283 [UNIX_DG_DB] = {
284 .states = (1 << SS_CLOSE),
b338a3e7 285 .families = FAMILY_MASK(AF_UNIX),
9db7bf15
VK		 286 },
287 [UNIX_ST_DB] = {
288 .states = SS_CONN,
b338a3e7 289 .families = FAMILY_MASK(AF_UNIX),
9db7bf15
VK		 290 },
291 [UNIX_SQ_DB] = {
292 .states = SS_CONN,
b338a3e7 293 .families = FAMILY_MASK(AF_UNIX),
9db7bf15
VK		 294 },
295 [PACKET_DG_DB] = {
296 .states = (1 << SS_CLOSE),
b338a3e7 297 .families = FAMILY_MASK(AF_PACKET),
9db7bf15
VK		 298 },
299 [PACKET_R_DB] = {
300 .states = (1 << SS_CLOSE),
b338a3e7 301 .families = FAMILY_MASK(AF_PACKET),
9db7bf15
VK		 302 },
303 [NETLINK_DB] = {
304 .states = (1 << SS_CLOSE),
b338a3e7 305 .families = FAMILY_MASK(AF_NETLINK),
9db7bf15 306 },
f89d46ad
PS		 307 [SCTP_DB] = {
308 .states = SS_CONN,
b338a3e7 309 .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6),
f89d46ad 310 },
c759116a
SH		 311 [VSOCK_ST_DB] = {
312 .states = SS_CONN,
313 .families = FAMILY_MASK(AF_VSOCK),
314 },
315 [VSOCK_DG_DB] = {
316 .states = SS_CONN,
317 .families = FAMILY_MASK(AF_VSOCK),
318 },
5caf79a0
GM		 319 [TIPC_DB] = {
320 .states = TIPC_SS_CONN,
321 .families = FAMILY_MASK(AF_TIPC),
322 },
aba5acdf
SH		 323};
324
9db7bf15
VK		 325static const struct filter default_afs[AF_MAX] = {
326 [AF_INET] = {
327 .dbs = INET_DBM,
328 .states = SS_CONN,
329 },
330 [AF_INET6] = {
331 .dbs = INET_DBM,
332 .states = SS_CONN,
333 },
334 [AF_UNIX] = {
335 .dbs = UNIX_DBM,
336 .states = SS_CONN,
337 },
338 [AF_PACKET] = {
339 .dbs = PACKET_DBM,
340 .states = (1 << SS_CLOSE),
341 },
342 [AF_NETLINK] = {
343 .dbs = (1 << NETLINK_DB),
344 .states = (1 << SS_CLOSE),
345 },
c759116a
SH		 346 [AF_VSOCK] = {
347 .dbs = VSOCK_DBM,
348 .states = SS_CONN,
349 },
5caf79a0
GM		 350 [AF_TIPC] = {
351 .dbs = (1 << TIPC_DB),
352 .states = TIPC_SS_CONN,
353 },
9db7bf15
VK		 354};
355
356static int do_default = 1;
357static struct filter current_filter;
358
c121111e 359static void filter_db_set(struct filter *f, int db, bool enable)
9db7bf15 360{
c121111e
PS		 361 if (enable) {
362 f->states |= default_dbs[db].states;
363 f->dbs |= 1 << db;
364 } else {
365 f->dbs &= ~(1 << db);
366 }
9db7bf15
VK		 367 do_default = 0;
368}
369
67d5fd55
PS		 370static int filter_db_parse(struct filter *f, const char *s)
371{
372 const struct {
373 const char *name;
374 int dbs[MAX_DB + 1];
375 } db_name_tbl[] = {
376#define ENTRY(name, ...) { #name, { __VA_ARGS__, MAX_DB } }
377 ENTRY(all, UDP_DB, DCCP_DB, TCP_DB, RAW_DB,
378 UNIX_ST_DB, UNIX_DG_DB, UNIX_SQ_DB,
379 PACKET_R_DB, PACKET_DG_DB, NETLINK_DB,
380 SCTP_DB, VSOCK_ST_DB, VSOCK_DG_DB),
381 ENTRY(inet, UDP_DB, DCCP_DB, TCP_DB, SCTP_DB, RAW_DB),
382 ENTRY(udp, UDP_DB),
383 ENTRY(dccp, DCCP_DB),
384 ENTRY(tcp, TCP_DB),
385 ENTRY(sctp, SCTP_DB),
386 ENTRY(raw, RAW_DB),
387 ENTRY(unix, UNIX_ST_DB, UNIX_DG_DB, UNIX_SQ_DB),
388 ENTRY(unix_stream, UNIX_ST_DB),
389 ENTRY(u_str, UNIX_ST_DB), /* alias for unix_stream */
390 ENTRY(unix_dgram, UNIX_DG_DB),
391 ENTRY(u_dgr, UNIX_DG_DB), /* alias for unix_dgram */
392 ENTRY(unix_seqpacket, UNIX_SQ_DB),
393 ENTRY(u_seq, UNIX_SQ_DB), /* alias for unix_seqpacket */
394 ENTRY(packet, PACKET_R_DB, PACKET_DG_DB),
395 ENTRY(packet_raw, PACKET_R_DB),
396 ENTRY(p_raw, PACKET_R_DB), /* alias for packet_raw */
397 ENTRY(packet_dgram, PACKET_DG_DB),
398 ENTRY(p_dgr, PACKET_DG_DB), /* alias for packet_dgram */
399 ENTRY(netlink, NETLINK_DB),
400 ENTRY(vsock, VSOCK_ST_DB, VSOCK_DG_DB),
401 ENTRY(vsock_stream, VSOCK_ST_DB),
402 ENTRY(v_str, VSOCK_ST_DB), /* alias for vsock_stream */
403 ENTRY(vsock_dgram, VSOCK_DG_DB),
404 ENTRY(v_dgr, VSOCK_DG_DB), /* alias for vsock_dgram */
405#undef ENTRY
406 };
407 bool enable = true;
408 unsigned int i;
409 const int *dbp;
410
411 if (s[0] == '!') {
412 enable = false;
413 s++;
414 }
415 for (i = 0; i < ARRAY_SIZE(db_name_tbl); i++) {
416 if (strcmp(s, db_name_tbl[i].name))
417 continue;
418 for (dbp = db_name_tbl[i].dbs; *dbp != MAX_DB; dbp++)
419 filter_db_set(f, *dbp, enable);
420 return 0;
421 }
422 return -1;
423}
424
9db7bf15
VK		 425static void filter_af_set(struct filter *f, int af)
426{
1527a17e 427 f->states |= default_afs[af].states;
b338a3e7 428 f->families |= FAMILY_MASK(af);
1527a17e
VK		 429 do_default = 0;
430 preferred_family = af;
9db7bf15
VK		 431}
432
433static int filter_af_get(struct filter *f, int af)
434{
b338a3e7 435 return !!(f->families & FAMILY_MASK(af));
9db7bf15
VK		 436}
437
57ff5a10 438static void filter_states_set(struct filter *f, int states)
9db7bf15 439{
57ff5a10 440 if (states)
9d320e1e 441 f->states = states;
57ff5a10 442}
9db7bf15 443
57ff5a10
VK		 444static void filter_merge_defaults(struct filter *f)
445{
446 int db;
447 int af;
9db7bf15 448
57ff5a10
VK		 449 for (db = 0; db < MAX_DB; db++) {
450 if (!(f->dbs & (1 << db)))
451 continue;
9db7bf15 452
57ff5a10
VK		 453 if (!(default_dbs[db].families & f->families))
454 f->families |= default_dbs[db].families;
455 }
456 for (af = 0; af < AF_MAX; af++) {
b338a3e7 457 if (!(f->families & FAMILY_MASK(af)))
57ff5a10
VK		 458 continue;
459
460 if (!(default_afs[af].dbs & f->dbs))
461 f->dbs |= default_afs[af].dbs;
462 }
9db7bf15 463}
aba5acdf 464
ab01dbbb 465static FILE *generic_proc_open(const char *env, const char *name)
aba5acdf 466{
ab01dbbb 467 const char *p = getenv(env);
aba5acdf 468 char store[128];
ab01dbbb 469
aba5acdf
SH		 470 if (!p) {
471 p = getenv("PROC_ROOT") ? : "/proc";
472 snprintf(store, sizeof(store)-1, "%s/%s", p, name);
473 p = store;
474 }
ab01dbbb
SH		 475
476 return fopen(p, "r");
aba5acdf 477}
0cb74a86
PS		 478#define net_tcp_open() generic_proc_open("PROC_NET_TCP", "net/tcp")
479#define net_tcp6_open() generic_proc_open("PROC_NET_TCP6", "net/tcp6")
480#define net_udp_open() generic_proc_open("PROC_NET_UDP", "net/udp")
481#define net_udp6_open() generic_proc_open("PROC_NET_UDP6", "net/udp6")
482#define net_raw_open() generic_proc_open("PROC_NET_RAW", "net/raw")
483#define net_raw6_open() generic_proc_open("PROC_NET_RAW6", "net/raw6")
484#define net_unix_open() generic_proc_open("PROC_NET_UNIX", "net/unix")
485#define net_packet_open() generic_proc_open("PROC_NET_PACKET", \
486 "net/packet")
487#define net_netlink_open() generic_proc_open("PROC_NET_NETLINK", \
488 "net/netlink")
0cb74a86
PS		 489#define net_sockstat_open() generic_proc_open("PROC_NET_SOCKSTAT", \
490 "net/sockstat")
491#define net_sockstat6_open() generic_proc_open("PROC_NET_SOCKSTAT6", \
492 "net/sockstat6")
493#define net_snmp_open() generic_proc_open("PROC_NET_SNMP", "net/snmp")
494#define ephemeral_ports_open() generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", \
495 "sys/net/ipv4/ip_local_port_range")
aba5acdf 496
fbc0f876
SF		 497struct user_ent {
498 struct user_ent *next;
499 unsigned int ino;
500 int pid;
501 int fd;
116ac927
RH		 502 char *process;
503 char *process_ctx;
504 char *socket_ctx;
fbc0f876
SF		 505};
506
507#define USER_ENT_HASH_SIZE 256
3f7bd0fd 508static struct user_ent *user_ent_hash[USER_ENT_HASH_SIZE];
fbc0f876
SF		 509
510static int user_ent_hashfn(unsigned int ino)
aba5acdf 511{
fbc0f876 512 int val = (ino >> 24) ^ (ino >> 16) ^ (ino >> 8) ^ ino;
aba5acdf 513
fbc0f876
SF		 514 return val & (USER_ENT_HASH_SIZE - 1);
515}
516
116ac927
RH		 517static void user_ent_add(unsigned int ino, char *process,
518 int pid, int fd,
519 char *proc_ctx,
520 char *sock_ctx)
fbc0f876
SF		 521{
522 struct user_ent *p, **pp;
aba5acdf 523
116ac927
RH		 524 p = malloc(sizeof(struct user_ent));
525 if (!p) {
526 fprintf(stderr, "ss: failed to malloc buffer\n");
fbc0f876 527 abort();
116ac927 528 }
fbc0f876
SF		 529 p->next = NULL;
530 p->ino = ino;
531 p->pid = pid;
532 p->fd = fd;
116ac927
RH		 533 p->process = strdup(process);
534 p->process_ctx = strdup(proc_ctx);
535 p->socket_ctx = strdup(sock_ctx);
fbc0f876
SF		 536
537 pp = &user_ent_hash[user_ent_hashfn(ino)];
538 p->next = *pp;
539 *pp = p;
540}
aba5acdf 541
116ac927
RH		 542static void user_ent_destroy(void)
543{
544 struct user_ent *p, *p_next;
545 int cnt = 0;
546
547 while (cnt != USER_ENT_HASH_SIZE) {
548 p = user_ent_hash[cnt];
549 while (p) {
550 free(p->process);
551 free(p->process_ctx);
552 free(p->socket_ctx);
553 p_next = p->next;
554 free(p);
555 p = p_next;
556 }
557 cnt++;
558 }
559}
560
fbc0f876
SF		 561static void user_ent_hash_build(void)
562{
563 const char *root = getenv("PROC_ROOT") ? : "/proc/";
564 struct dirent *d;
565 char name[1024];
566 int nameoff;
567 DIR *dir;
116ac927
RH		 568 char *pid_context;
569 char *sock_context;
570 const char *no_ctx = "unavailable";
b25bad2f 571 static int user_ent_hash_build_init;
116ac927
RH		 572
573 /* If show_users & show_proc_ctx set only do this once */
574 if (user_ent_hash_build_init != 0)
575 return;
576
577 user_ent_hash_build_init = 1;
fbc0f876 578
18f156bf 579 strlcpy(name, root, sizeof(name));
0ee9052f 580
fbc0f876 581 if (strlen(name) == 0 || name[strlen(name)-1] != '/')
aba5acdf 582 strcat(name, "/");
fbc0f876 583
aba5acdf 584 nameoff = strlen(name);
fbc0f876
SF		 585
586 dir = opendir(name);
587 if (!dir)
588 return;
aba5acdf
SH		 589
590 while ((d = readdir(dir)) != NULL) {
aba5acdf 591 struct dirent *d1;
aba5acdf 592 char process[16];
116ac927 593 char *p;
fbc0f876
SF		 594 int pid, pos;
595 DIR *dir1;
596 char crap;
aba5acdf
SH		 597
598 if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1)
599 continue;
600
116ac927
RH		 601 if (getpidcon(pid, &pid_context) != 0)
602 pid_context = strdup(no_ctx);
603
0ee9052f 604 snprintf(name + nameoff, sizeof(name) - nameoff, "%d/fd/", pid);
aba5acdf 605 pos = strlen(name);
a02371fb
PS		 606 if ((dir1 = opendir(name)) == NULL) {
607 free(pid_context);
aba5acdf 608 continue;
a02371fb 609 }
aba5acdf 610
fbc0f876 611 process[0] = '\0';
116ac927 612 p = process;
aba5acdf
SH		 613
614 while ((d1 = readdir(dir1)) != NULL) {
fbc0f876
SF		 615 const char *pattern = "socket:[";
616 unsigned int ino;
aba5acdf 617 char lnk[64];
18445b3e 618 int fd;
788731b3 619 ssize_t link_len;
116ac927 620 char tmp[1024];
aba5acdf
SH		 621
622 if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1)
623 continue;
624
0ee9052f 625 snprintf(name+pos, sizeof(name) - pos, "%d", fd);
788731b3
TJ		 626
627 link_len = readlink(name, lnk, sizeof(lnk)-1);
628 if (link_len == -1)
629 continue;
630 lnk[link_len] = '\0';
631
632 if (strncmp(lnk, pattern, strlen(pattern)))
aba5acdf
SH		 633 continue;
634
fbc0f876 635 sscanf(lnk, "socket:[%u]", &ino);
aba5acdf 636
116ac927
RH		 637 snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s",
638 root, pid, d1->d_name);
639
640 if (getfilecon(tmp, &sock_context) <= 0)
641 sock_context = strdup(no_ctx);
642
643 if (*p == '\0') {
aba5acdf 644 FILE *fp;
fbc0f876 645
116ac927
RH		 646 snprintf(tmp, sizeof(tmp), "%s/%d/stat",
647 root, pid);
aba5acdf 648 if ((fp = fopen(tmp, "r")) != NULL) {
d572ed4d
PS		 649 if (fscanf(fp, "%*d (%[^)])", p) < 1)
650 ; /* ignore */
aba5acdf
SH		 651 fclose(fp);
652 }
653 }
116ac927
RH		 654 user_ent_add(ino, p, pid, fd,
655 pid_context, sock_context);
656 free(sock_context);
aba5acdf 657 }
116ac927 658 free(pid_context);
aba5acdf
SH		 659 closedir(dir1);
660 }
661 closedir(dir);
fbc0f876
SF		 662}
663
116ac927
RH		 664enum entry_types {
665 USERS,
666 PROC_CTX,
667 PROC_SOCK_CTX
668};
669
670#define ENTRY_BUF_SIZE 512
acd1e437 671static int find_entry(unsigned int ino, char **buf, int type)
fbc0f876
SF		 672{
673 struct user_ent *p;
674 int cnt = 0;
675 char *ptr;
532ca40a 676 char *new_buf;
116ac927
RH		 677 int len, new_buf_len;
678 int buf_used = 0;
679 int buf_len = 0;
fbc0f876
SF		 680
681 if (!ino)
682 return 0;
683
684 p = user_ent_hash[user_ent_hashfn(ino)];
116ac927 685 ptr = *buf = NULL;
fbc0f876
SF		 686 while (p) {
687 if (p->ino != ino)
688 goto next;
689
116ac927
RH		 690 while (1) {
691 ptr = *buf + buf_used;
692 switch (type) {
693 case USERS:
694 len = snprintf(ptr, buf_len - buf_used,
695 "(\"%s\",pid=%d,fd=%d),",
696 p->process, p->pid, p->fd);
697 break;
698 case PROC_CTX:
699 len = snprintf(ptr, buf_len - buf_used,
700 "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),",
701 p->process, p->pid,
702 p->process_ctx, p->fd);
703 break;
704 case PROC_SOCK_CTX:
705 len = snprintf(ptr, buf_len - buf_used,
706 "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),",
707 p->process, p->pid,
708 p->process_ctx, p->fd,
709 p->socket_ctx);
710 break;
711 default:
712 fprintf(stderr, "ss: invalid type: %d\n", type);
713 abort();
714 }
fbc0f876 715
116ac927
RH		 716 if (len < 0 || len >= buf_len - buf_used) {
717 new_buf_len = buf_len + ENTRY_BUF_SIZE;
532ca40a 718 new_buf = realloc(*buf, new_buf_len);
116ac927
RH		 719 if (!new_buf) {
720 fprintf(stderr, "ss: failed to malloc buffer\n");
721 abort();
722 }
532ca40a 723 *buf = new_buf;
116ac927
RH		 724 buf_len = new_buf_len;
725 continue;
726 } else {
727 buf_used += len;
728 break;
729 }
730 }
fbc0f876 731 cnt++;
116ac927 732next:
fbc0f876
SF		 733 p = p->next;
734 }
116ac927
RH		 735 if (buf_used) {
736 ptr = *buf + buf_used;
fbc0f876 737 ptr[-1] = '\0';
116ac927 738 }
aba5acdf
SH		 739 return cnt;
740}
741
2e7e805d 742static unsigned long long cookie_sk_get(const uint32_t *cookie)
f1b39e1b 743{
2e7e805d 744 return (((unsigned long long)cookie[1] << 31) << 1) | cookie[0];
f1b39e1b
VK		 745}
746
f89d46ad
PS		 747static const char *sctp_sstate_name[] = {
748 [SCTP_STATE_CLOSED] = "CLOSED",
749 [SCTP_STATE_COOKIE_WAIT] = "COOKIE_WAIT",
750 [SCTP_STATE_COOKIE_ECHOED] = "COOKIE_ECHOED",
751 [SCTP_STATE_ESTABLISHED] = "ESTAB",
752 [SCTP_STATE_SHUTDOWN_PENDING] = "SHUTDOWN_PENDING",
753 [SCTP_STATE_SHUTDOWN_SENT] = "SHUTDOWN_SENT",
754 [SCTP_STATE_SHUTDOWN_RECEIVED] = "SHUTDOWN_RECEIVED",
755 [SCTP_STATE_SHUTDOWN_ACK_SENT] = "ACK_SENT",
756};
757
5caf79a0
GM		 758static const char * const stype_nameg[] = {
759 "UNKNOWN",
760 [SOCK_STREAM] = "STREAM",
761 [SOCK_DGRAM] = "DGRAM",
762 [SOCK_RDM] = "RDM",
763 [SOCK_SEQPACKET] = "SEQPACKET",
764};
765
acd1e437 766struct sockstat {
ec4d0d8a
VK		 767 struct sockstat *next;
768 unsigned int type;
89f634f9 769 uint16_t prot;
41fe6c34 770 uint16_t raw_prot;
8250bc9f
VK		 771 inet_prefix local;
772 inet_prefix remote;
773 int lport;
774 int rport;
775 int state;
776 int rq, wq;
acd1e437
SH		 777 unsigned int ino;
778 unsigned int uid;
8250bc9f
VK		 779 int refcnt;
780 unsigned int iface;
781 unsigned long long sk;
99bb68ff
VK		 782 char *name;
783 char *peer_name;
ec75249b 784 __u32 mark;
055840f2
VK		 785};
786
acd1e437 787struct dctcpstat {
055840f2
VK		 788 unsigned int ce_state;
789 unsigned int alpha;
790 unsigned int ab_ecn;
791 unsigned int ab_tot;
792 bool enabled;
793};
794
acd1e437 795struct tcpstat {
055840f2 796 struct sockstat ss;
4cbf5224
PS		 797 unsigned int timer;
798 unsigned int timeout;
8250bc9f 799 int probes;
d2055ea5 800 char cong_alg[16];
8250bc9f 801 double rto, ato, rtt, rttvar;
d1f338b3 802 int qack, ssthresh, backoff;
8250bc9f
VK		 803 double send_bps;
804 int snd_wscale;
805 int rcv_wscale;
806 int mss;
38e6dbc4
ED		 807 int rcv_mss;
808 int advmss;
3d791a32 809 unsigned int pmtu;
d1f338b3 810 unsigned int cwnd;
8250bc9f
VK		 811 unsigned int lastsnd;
812 unsigned int lastrcv;
813 unsigned int lastack;
814 double pacing_rate;
815 double pacing_rate_max;
2f579872 816 double delivery_rate;
1a4dda71
ED		 817 unsigned long long bytes_acked;
818 unsigned long long bytes_received;
ecb435ea
CG		 819 unsigned int segs_out;
820 unsigned int segs_in;
414aeec9
MKL		 821 unsigned int data_segs_out;
822 unsigned int data_segs_in;
8250bc9f
VK		 823 unsigned int unacked;
824 unsigned int retrans;
825 unsigned int retrans_total;
826 unsigned int lost;
827 unsigned int sacked;
828 unsigned int fackets;
829 unsigned int reordering;
9e99e495 830 unsigned int not_sent;
2f4d834b
ED		 831 unsigned int delivered;
832 unsigned int delivered_ce;
5eead627
ED		 833 unsigned int dsack_dups;
834 unsigned int reord_seen;
8250bc9f 835 double rcv_rtt;
9e99e495 836 double min_rtt;
8250bc9f 837 int rcv_space;
00ac78d3 838 unsigned int rcv_ssthresh;
b6c7fc61
YC		 839 unsigned long long busy_time;
840 unsigned long long rwnd_limited;
841 unsigned long long sndbuf_limited;
5eead627
ED		 842 unsigned long long bytes_sent;
843 unsigned long long bytes_retrans;
8250bc9f
VK		 844 bool has_ts_opt;
845 bool has_sack_opt;
846 bool has_ecn_opt;
847 bool has_ecnseen_opt;
848 bool has_fastopen_opt;
849 bool has_wscale_opt;
2f579872 850 bool app_limited;
8250bc9f 851 struct dctcpstat *dctcp;
2f0f9aef 852 struct tcp_bbr_info *bbr_info;
aba5acdf
SH		 853};
854
f89d46ad
PS		 855/* SCTP assocs share the same inode number with their parent endpoint. So if we
856 * have seen the inode number before, it must be an assoc instead of the next
857 * endpoint. */
858static bool is_sctp_assoc(struct sockstat *s, const char *sock_name)
859{
860 if (strcmp(sock_name, "sctp"))
861 return false;
862 if (!sctp_ino || sctp_ino != s->ino)
863 return false;
864 return true;
865}
866
be7e4d20
PS		 867static const char *unix_netid_name(int type)
868{
869 switch (type) {
870 case SOCK_STREAM:
871 return "u_str";
872 case SOCK_SEQPACKET:
873 return "u_seq";
874 case SOCK_DGRAM:
875 default:
876 return "u_dgr";
877 }
878}
879
880static const char *proto_name(int protocol)
2d791bc8 881{
be7e4d20
PS		 882 switch (protocol) {
883 case 0:
884 return "raw";
885 case IPPROTO_UDP:
886 return "udp";
887 case IPPROTO_TCP:
888 return "tcp";
889 case IPPROTO_SCTP:
890 return "sctp";
891 case IPPROTO_DCCP:
892 return "dccp";
572e8936
PS		 893 case IPPROTO_ICMPV6:
894 return "icmp6";
be7e4d20
PS		 895 }
896
897 return "???";
898}
899
c759116a
SH		 900static const char *vsock_netid_name(int type)
901{
902 switch (type) {
903 case SOCK_STREAM:
904 return "v_str";
905 case SOCK_DGRAM:
906 return "v_dgr";
907 default:
908 return "???";
909 }
910}
911
5caf79a0
GM		 912static const char *tipc_netid_name(int type)
913{
914 switch (type) {
915 case SOCK_STREAM:
916 return "ti_st";
917 case SOCK_DGRAM:
918 return "ti_dg";
919 case SOCK_RDM:
920 return "ti_rd";
921 case SOCK_SEQPACKET:
922 return "ti_sq";
923 default:
924 return "???";
925 }
926}
927
691bd854
SB		 928/* Allocate and initialize a new buffer chunk */
929static struct buf_chunk *buf_chunk_new(void)
930{
931 struct buf_chunk *new = malloc(BUF_CHUNK);
932
933 if (!new)
934 abort();
935
936 new->next = NULL;
937
938 /* This is also the last block */
939 buffer.tail = new;
940
941 /* Next token will be stored at the beginning of chunk data area, and
942 * its initial length is zero.
943 */
944 buffer.cur = (struct buf_token *)new->data;
945 buffer.cur->len = 0;
946
947 new->end = buffer.cur->data;
948
aa5bd6a2
SB		 949 buffer.chunks++;
950
691bd854
SB		 951 return new;
952}
953
954/* Return available tail room in given chunk */
955static int buf_chunk_avail(struct buf_chunk *chunk)
956{
957 return BUF_CHUNK - offsetof(struct buf_chunk, data) -
958 (chunk->end - chunk->data);
959}
960
961/* Update end pointer and token length, link new chunk if we hit the end of the
962 * current one. Return -EAGAIN if we got a new chunk, caller has to print again.
963 */
964static int buf_update(int len)
965{
966 struct buf_chunk *chunk = buffer.tail;
967 struct buf_token *t = buffer.cur;
968
969 /* Claim success if new content fits in the current chunk, and anyway
970 * if this is the first token in the chunk: in the latter case,
971 * allocating a new chunk won't help, so we'll just cut the output.
972 */
973 if ((len < buf_chunk_avail(chunk) && len != -1 /* glibc < 2.0.6 */) ||
974 t == (struct buf_token *)chunk->data) {
975 len = min(len, buf_chunk_avail(chunk));
976
977 /* Total field length can't exceed 2^16 bytes, cut as needed */
978 len = min(len, USHRT_MAX - t->len);
979
980 chunk->end += len;
981 t->len += len;
982 return 0;
983 }
984
985 /* Content truncated, time to allocate more */
986 chunk->next = buf_chunk_new();
987
988 /* Copy current token over to new chunk, including length descriptor */
989 memcpy(chunk->next->data, t, sizeof(t->len) + t->len);
990 chunk->next->end += t->len;
991
992 /* Discard partially written field in old chunk */
993 chunk->end -= t->len + sizeof(t->len);
994
995 return -EAGAIN;
996}
997
998/* Append content to buffer as part of the current field */
5d5586b0 999__attribute__((format(printf, 1, 2)))
90351722
SB		 1000static void out(const char *fmt, ...)
1001{
59f46b7b 1002 struct column *f = current_field;
90351722 1003 va_list args;
691bd854
SB		 1004 char *pos;
1005 int len;
1006
87b1a7ae 1007 if (f->disabled)
691bd854
SB		 1008 return;
1009
1010 if (!buffer.head)
1011 buffer.head = buf_chunk_new();
1012
1013again: /* Append to buffer: if we have a new chunk, print again */
90351722 1014
691bd854 1015 pos = buffer.cur->data + buffer.cur->len;
90351722 1016 va_start(args, fmt);
691bd854
SB		 1017
1018 /* Limit to tail room. If we hit the limit, buf_update() will tell us */
1019 len = vsnprintf(pos, buf_chunk_avail(buffer.tail), fmt, args);
90351722 1020 va_end(args);
691bd854
SB		 1021
1022 if (buf_update(len))
1023 goto again;
90351722
SB		 1024}
1025
691bd854 1026static int print_left_spacing(struct column *f, int stored, int printed)
59f46b7b
SB		 1027{
1028 int s;
1029
87b1a7ae 1030 if (!f->width || f->align == ALIGN_LEFT)
59f46b7b
SB		 1031 return 0;
1032
691bd854 1033 s = f->width - stored - printed;
59f46b7b
SB		 1034 if (f->align == ALIGN_CENTER)
1035 /* If count of total spacing is odd, shift right by one */
1036 s = (s + 1) / 2;
1037
1038 if (s > 0)
1039 return printf("%*c", s, ' ');
1040
1041 return 0;
1042}
1043
691bd854 1044static void print_right_spacing(struct column *f, int printed)
59f46b7b
SB		 1045{
1046 int s;
1047
87b1a7ae 1048 if (!f->width || f->align == ALIGN_RIGHT)
59f46b7b
SB		 1049 return;
1050
691bd854 1051 s = f->width - printed;
59f46b7b
SB		 1052 if (f->align == ALIGN_CENTER)
1053 s /= 2;
1054
1055 if (s > 0)
1056 printf("%*c", s, ' ');
1057}
1058
691bd854 1059/* Done with field: update buffer pointer, start new token after current one */
59f46b7b
SB		 1060static void field_flush(struct column *f)
1061{
192be8fc
AQ		 1062 struct buf_chunk *chunk;
1063 unsigned int pad;
691bd854 1064
87b1a7ae 1065 if (f->disabled)
59f46b7b
SB		 1066 return;
1067
192be8fc
AQ		 1068 chunk = buffer.tail;
1069 pad = buffer.cur->len % 2;
1070
87b1a7ae
SB		 1071 if (buffer.cur->len > f->max_len)
1072 f->max_len = buffer.cur->len;
1073
691bd854
SB		 1074 /* We need a new chunk if we can't store the next length descriptor.
1075 * Mind the gap between end of previous token and next aligned position
1076 * for length descriptor.
1077 */
1078 if (buf_chunk_avail(chunk) - pad < sizeof(buffer.cur->len)) {
1079 chunk->end += pad;
1080 chunk->next = buf_chunk_new();
1081 return;
1082 }
59f46b7b 1083
691bd854
SB		 1084 buffer.cur = (struct buf_token *)(buffer.cur->data +
1085 LEN_ALIGN(buffer.cur->len));
1086 buffer.cur->len = 0;
1087 buffer.tail->end = buffer.cur->data;
59f46b7b
SB		 1088}
1089
1090static int field_is_last(struct column *f)
1091{
1092 return f - columns == COL_MAX - 1;
1093}
1094
691bd854
SB		 1095/* Get the next available token in the buffer starting from the current token */
1096static struct buf_token *buf_token_next(struct buf_token *cur)
1097{
1098 struct buf_chunk *chunk = buffer.tail;
1099
1100 /* If we reached the end of chunk contents, get token from next chunk */
1101 if (cur->data + LEN_ALIGN(cur->len) == chunk->end) {
1102 buffer.tail = chunk = chunk->next;
1103 return chunk ? (struct buf_token *)chunk->data : NULL;
1104 }
1105
1106 return (struct buf_token *)(cur->data + LEN_ALIGN(cur->len));
1107}
1108
1109/* Free up all allocated buffer chunks */
1110static void buf_free_all(void)
1111{
1112 struct buf_chunk *tmp;
1113
1114 for (buffer.tail = buffer.head; buffer.tail; ) {
1115 tmp = buffer.tail;
1116 buffer.tail = buffer.tail->next;
1117 free(tmp);
1118 }
1119 buffer.head = NULL;
aa5bd6a2 1120 buffer.chunks = 0;
691bd854
SB		 1121}
1122
32ea3d54
SB		 1123/* Get current screen width, default to 80 columns if TIOCGWINSZ fails */
1124static int render_screen_width(void)
1125{
1126 int width = 80;
1127
1128 if (isatty(STDOUT_FILENO)) {
1129 struct winsize w;
1130
1131 if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) {
1132 if (w.ws_col > 0)
1133 width = w.ws_col;
1134 }
1135 }
1136
1137 return width;
1138}
1139
87b1a7ae
SB		 1140/* Calculate column width from contents length. If columns don't fit on one
1141 * line, break them into the least possible amount of lines and keep them
1142 * aligned across lines. Available screen space is equally spread between fields
1143 * as additional spacing.
1144 */
32ea3d54 1145static void render_calc_width(void)
87b1a7ae 1146{
32ea3d54 1147 int screen_width = render_screen_width();
87b1a7ae 1148 struct column *c, *eol = columns - 1;
32ea3d54 1149 int first, len = 0, linecols = 0;
87b1a7ae
SB		 1150
1151 /* First pass: set width for each column to measured content length */
1152 for (first = 1, c = columns; c - columns < COL_MAX; c++) {
1153 if (c->disabled)
1154 continue;
1155
1156 if (!first && c->max_len)
1157 c->width = c->max_len + strlen(c->ldelim);
1158 else
1159 c->width = c->max_len;
1160
1161 /* But don't exceed screen size. If we exceed the screen size
1162 * for even a single field, it will just start on a line of its
1163 * own and then naturally wrap.
1164 */
1165 c->width = min(c->width, screen_width);
1166
1167 if (c->width)
1168 first = 0;
1169 }
1170
1171 /* Second pass: find out newlines and distribute available spacing */
1172 for (c = columns; c - columns < COL_MAX; c++) {
1173 int pad, spacing, rem, last;
1174 struct column *tmp;
1175
1176 if (!c->width)
1177 continue;
1178
1179 linecols++;
1180 len += c->width;
1181
1182 for (last = 1, tmp = c + 1; tmp - columns < COL_MAX; tmp++) {
1183 if (tmp->width) {
1184 last = 0;
1185 break;
1186 }
1187 }
1188
1189 if (!last && len < screen_width) {
1190 /* Columns fit on screen so far, nothing to do yet */
1191 continue;
1192 }
1193
1194 if (len == screen_width) {
1195 /* Exact fit, just start with new line */
1196 goto newline;
1197 }
1198
1199 if (len > screen_width) {
1200 /* Screen width exceeded: go back one column */
1201 len -= c->width;
1202 c--;
1203 linecols--;
1204 }
1205
1206 /* Distribute remaining space to columns on this line */
1207 pad = screen_width - len;
1208 spacing = pad / linecols;
1209 rem = pad % linecols;
1210 for (tmp = c; tmp > eol; tmp--) {
1211 if (!tmp->width)
1212 continue;
1213
1214 tmp->width += spacing;
1215 if (rem) {
1216 tmp->width++;
1217 rem--;
1218 }
1219 }
1220
1221newline:
1222 /* Line break: reset line counters, mark end-of-line */
1223 eol = c;
1224 len = 0;
1225 linecols = 0;
1226 }
1227}
1228
691bd854 1229/* Render buffered output with spacing and delimiters, then free up buffers */
32ea3d54 1230static void render(void)
691bd854 1231{
eb8559ef 1232 struct buf_token *token;
87b1a7ae 1233 int printed, line_started = 0;
691bd854
SB		 1234 struct column *f;
1235
eb8559ef
JPB		 1236 if (!buffer.head)
1237 return;
1238
1239 token = (struct buf_token *)buffer.head->data;
1240
691bd854
SB		 1241 /* Ensure end alignment of last token, it wasn't necessarily flushed */
1242 buffer.tail->end += buffer.cur->len % 2;
1243
32ea3d54 1244 render_calc_width();
87b1a7ae 1245
691bd854
SB		 1246 /* Rewind and replay */
1247 buffer.tail = buffer.head;
1248
1249 f = columns;
1250 while (!f->width)
1251 f++;
1252
1253 while (token) {
1254 /* Print left delimiter only if we already started a line */
1255 if (line_started++)
00240899 1256 printed = printf("%s", f->ldelim);
691bd854
SB		 1257 else
1258 printed = 0;
1259
1260 /* Print field content from token data with spacing */
1261 printed += print_left_spacing(f, token->len, printed);
1262 printed += fwrite(token->data, 1, token->len, stdout);
1263 print_right_spacing(f, printed);
1264
691bd854
SB		 1265 /* Go to next non-empty field, deal with end-of-line */
1266 do {
1267 if (field_is_last(f)) {
87b1a7ae 1268 printf("\n");
691bd854
SB		 1269 f = columns;
1270 line_started = 0;
1271 } else {
1272 f++;
1273 }
87b1a7ae 1274 } while (f->disabled);
691bd854
SB		 1275
1276 token = buf_token_next(token);
1277 }
1278
1279 buf_free_all();
32ea3d54 1280 current_field = columns;
691bd854
SB		 1281}
1282
aa5bd6a2
SB		 1283/* Move to next field, and render buffer if we reached the maximum number of
1284 * chunks, at the last field in a line.
1285 */
1286static void field_next(void)
1287{
1288 if (field_is_last(current_field) && buffer.chunks >= BUF_CHUNKS_MAX) {
1289 render();
1290 return;
1291 }
1292
1293 field_flush(current_field);
1294 if (field_is_last(current_field))
1295 current_field = columns;
1296 else
1297 current_field++;
1298}
1299
1300/* Walk through fields and flush them until we reach the desired one */
1301static void field_set(enum col_id id)
1302{
1303 while (id != current_field - columns)
1304 field_next();
1305}
1306
1307/* Print header for all non-empty columns */
1308static void print_header(void)
1309{
1310 while (!field_is_last(current_field)) {
1311 if (!current_field->disabled)
1312 out("%s", current_field->header);
1313 field_next();
1314 }
1315}
1316
be7e4d20
PS		 1317static void sock_state_print(struct sockstat *s)
1318{
1319 const char *sock_name;
1882c0db
PS		 1320 static const char * const sstate_name[] = {
1321 "UNKNOWN",
1322 [SS_ESTABLISHED] = "ESTAB",
1323 [SS_SYN_SENT] = "SYN-SENT",
1324 [SS_SYN_RECV] = "SYN-RECV",
1325 [SS_FIN_WAIT1] = "FIN-WAIT-1",
1326 [SS_FIN_WAIT2] = "FIN-WAIT-2",
1327 [SS_TIME_WAIT] = "TIME-WAIT",
1328 [SS_CLOSE] = "UNCONN",
1329 [SS_CLOSE_WAIT] = "CLOSE-WAIT",
1330 [SS_LAST_ACK] = "LAST-ACK",
1331 [SS_LISTEN] = "LISTEN",
1332 [SS_CLOSING] = "CLOSING",
1333 };
be7e4d20
PS		 1334
1335 switch (s->local.family) {
1336 case AF_UNIX:
1337 sock_name = unix_netid_name(s->type);
1338 break;
1339 case AF_INET:
1340 case AF_INET6:
1341 sock_name = proto_name(s->type);
1342 break;
1343 case AF_PACKET:
1344 sock_name = s->type == SOCK_RAW ? "p_raw" : "p_dgr";
1345 break;
1346 case AF_NETLINK:
1347 sock_name = "nl";
1348 break;
5caf79a0
GM		 1349 case AF_TIPC:
1350 sock_name = tipc_netid_name(s->type);
1351 break;
c759116a
SH		 1352 case AF_VSOCK:
1353 sock_name = vsock_netid_name(s->type);
1354 break;
be7e4d20
PS		 1355 default:
1356 sock_name = "unknown";
1357 }
1358
59f46b7b
SB		 1359 if (is_sctp_assoc(s, sock_name)) {
1360 field_set(COL_STATE); /* Empty Netid field */
1361 out("`- %s", sctp_sstate_name[s->state]);
1362 } else {
1363 field_set(COL_NETID);
1364 out("%s", sock_name);
1365 field_set(COL_STATE);
1366 out("%s", sstate_name[s->state]);
f89d46ad 1367 }
2d791bc8 1368
59f46b7b
SB		 1369 field_set(COL_RECVQ);
1370 out("%-6d", s->rq);
1371 field_set(COL_SENDQ);
1372 out("%-6d", s->wq);
1373 field_set(COL_ADDR);
2d791bc8
VK		 1374}
1375
f1b39e1b
VK		 1376static void sock_details_print(struct sockstat *s)
1377{
1378 if (s->uid)
90351722 1379 out(" uid:%u", s->uid);
f1b39e1b 1380
90351722
SB		 1381 out(" ino:%u", s->ino);
1382 out(" sk:%llx", s->sk);
ec75249b
LC		 1383
1384 if (s->mark)
90351722 1385 out(" fwmark:0x%x", s->mark);
f1b39e1b
VK		 1386}
1387
b217df10
VK		 1388static void sock_addr_print(const char *addr, char *delim, const char *port,
1389 const char *ifname)
1390{
59f46b7b
SB		 1391 if (ifname)
1392 out("%s" "%%" "%s%s", addr, ifname, delim);
1393 else
1394 out("%s%s", addr, delim);
1395
1396 field_next();
1397 out("%s", port);
1398 field_next();
b217df10
VK		 1399}
1400
4cbf5224 1401static const char *print_ms_timer(unsigned int timeout)
aba5acdf
SH		 1402{
1403 static char buf[64];
1404 int secs, msecs, minutes;
acd1e437 1405
aba5acdf
SH		 1406 secs = timeout/1000;
1407 minutes = secs/60;
1408 secs = secs%60;
1409 msecs = timeout%1000;
1410 buf[0] = 0;
1411 if (minutes) {
1412 msecs = 0;
1413 snprintf(buf, sizeof(buf)-16, "%dmin", minutes);
1414 if (minutes > 9)
1415 secs = 0;
1416 }
1417 if (secs) {
1418 if (secs > 9)
1419 msecs = 0;
1420 sprintf(buf+strlen(buf), "%d%s", secs, msecs ? "." : "sec");
1421 }
1422 if (msecs)
1423 sprintf(buf+strlen(buf), "%03dms", msecs);
1424 return buf;
e7113c61 1425}
aba5acdf 1426
22588a0e 1427struct scache {
aba5acdf
SH		 1428 struct scache *next;
1429 int port;
1430 char *name;
1431 const char *proto;
1432};
1433
3f7bd0fd 1434static struct scache *rlist;
aba5acdf 1435
d1f28cf1 1436static void init_service_resolver(void)
aba5acdf
SH		 1437{
1438 char buf[128];
1439 FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r");
596307ea
PS		 1440
1441 if (!fp)
1442 return;
1443
1444 if (!fgets(buf, sizeof(buf), fp)) {
2bcc3c16 1445 pclose(fp);
596307ea
PS		 1446 return;
1447 }
1448 while (fgets(buf, sizeof(buf), fp) != NULL) {
1449 unsigned int progn, port;
1450 char proto[128], prog[128] = "rpc.";
1451 struct scache *c;
1452
1453 if (sscanf(buf, "%u %*d %s %u %s",
acd1e437 1454 &progn, proto, &port, prog+4) != 4)
596307ea
PS		 1455 continue;
1456
1457 if (!(c = malloc(sizeof(*c))))
1458 continue;
1459
1460 c->port = port;
1461 c->name = strdup(prog);
1462 if (strcmp(proto, TCP_PROTO) == 0)
1463 c->proto = TCP_PROTO;
1464 else if (strcmp(proto, UDP_PROTO) == 0)
1465 c->proto = UDP_PROTO;
f89d46ad
PS		 1466 else if (strcmp(proto, SCTP_PROTO) == 0)
1467 c->proto = SCTP_PROTO;
596307ea
PS		 1468 else
1469 c->proto = NULL;
1470 c->next = rlist;
1471 rlist = c;
aba5acdf 1472 }
596307ea 1473 pclose(fp);
aba5acdf
SH		 1474}
1475
ab61159a
SH		 1476/* Even do not try default linux ephemeral port ranges:
1477 * default /etc/services contains so much of useless crap
1478 * wouldbe "allocated" to this area that resolution
1479 * is really harmful. I shrug each time when seeing
1480 * "socks" or "cfinger" in dumps.
1481 */
1482static int is_ephemeral(int port)
1483{
acd1e437 1484 static int min = 0, max;
c29d3792
PS		 1485
1486 if (!min) {
ab01dbbb 1487 FILE *f = ephemeral_ports_open();
acd1e437 1488
c29d3792
PS		 1489 if (!f || fscanf(f, "%d %d", &min, &max) < 2) {
1490 min = 1024;
1491 max = 4999;
ab61159a 1492 }
c29d3792
PS		 1493 if (f)
1494 fclose(f);
ab61159a 1495 }
c29d3792 1496 return port >= min && port <= max;
ab61159a
SH		 1497}
1498
1499
d1f28cf1 1500static const char *__resolve_service(int port)
aba5acdf
SH		 1501{
1502 struct scache *c;
1503
1504 for (c = rlist; c; c = c->next) {
1505 if (c->port == port && c->proto == dg_proto)
1506 return c->name;
1507 }
1508
ab61159a 1509 if (!is_ephemeral(port)) {
aba5acdf
SH		 1510 static int notfirst;
1511 struct servent *se;
acd1e437 1512
aba5acdf
SH		 1513 if (!notfirst) {
1514 setservent(1);
1515 notfirst = 1;
ae665a52 1516 }
aba5acdf
SH		 1517 se = getservbyport(htons(port), dg_proto);
1518 if (se)
1519 return se->s_name;
1520 }
1521
1522 return NULL;
1523}
1524
22588a0e
ED		 1525#define SCACHE_BUCKETS 1024
1526static struct scache *cache_htab[SCACHE_BUCKETS];
aba5acdf 1527
d1f28cf1 1528static const char *resolve_service(int port)
aba5acdf
SH		 1529{
1530 static char buf[128];
22588a0e
ED		 1531 struct scache *c;
1532 const char *res;
1533 int hash;
aba5acdf
SH		 1534
1535 if (port == 0) {
1536 buf[0] = '*';
1537 buf[1] = 0;
1538 return buf;
1539 }
1540
22588a0e
ED		 1541 if (!resolve_services)
1542 goto do_numeric;
aba5acdf 1543
22588a0e
ED		 1544 if (dg_proto == RAW_PROTO)
1545 return inet_proto_n2a(port, buf, sizeof(buf));
1546
1547
1548 hash = (port^(((unsigned long)dg_proto)>>2)) % SCACHE_BUCKETS;
1549
1550 for (c = cache_htab[hash]; c; c = c->next) {
1551 if (c->port == port && c->proto == dg_proto)
1552 goto do_cache;
aba5acdf
SH		 1553 }
1554
22588a0e
ED		 1555 c = malloc(sizeof(*c));
1556 if (!c)
1557 goto do_numeric;
1558 res = __resolve_service(port);
1559 c->port = port;
1560 c->name = res ? strdup(res) : NULL;
1561 c->proto = dg_proto;
1562 c->next = cache_htab[hash];
1563 cache_htab[hash] = c;
1564
1565do_cache:
1566 if (c->name)
1567 return c->name;
1568
1569do_numeric:
aba5acdf
SH		 1570 sprintf(buf, "%u", port);
1571 return buf;
1572}
1573
1267c0b9
PS		 1574static void inet_addr_print(const inet_prefix *a, int port,
1575 unsigned int ifindex, bool v6only)
aba5acdf
SH		 1576{
1577 char buf[1024];
1578 const char *ap = buf;
b217df10 1579 const char *ifname = NULL;
aba5acdf
SH		 1580
1581 if (a->family == AF_INET) {
1267c0b9 1582 ap = format_host(AF_INET, 4, a->data);
aba5acdf 1583 } else {
1267c0b9
PS		 1584 if (!v6only &&
1585 !memcmp(a->data, &in6addr_any, sizeof(in6addr_any))) {
aba9c23a
SH		 1586 buf[0] = '*';
1587 buf[1] = 0;
1588 } else {
1589 ap = format_host(a->family, 16, a->data);
1590
1591 /* Numeric IPv6 addresses should be bracketed */
1592 if (strchr(ap, ':')) {
1593 snprintf(buf, sizeof(buf),
1594 "[%s]", ap);
1595 ap = buf;
1596 }
aba9c23a 1597 }
aba5acdf 1598 }
b217df10 1599
59f46b7b
SB		 1600 if (ifindex)
1601 ifname = ll_index_to_name(ifindex);
7c8a3cfb 1602
59f46b7b 1603 sock_addr_print(ap, ":", resolve_service(port), ifname);
aba5acdf
SH		 1604}
1605
acd1e437 1606struct aafilter {
aba5acdf
SH		 1607 inet_prefix addr;
1608 int port;
2d293212 1609 unsigned int iface;
ec75249b
LC		 1610 __u32 mark;
1611 __u32 mask;
aba5acdf
SH		 1612 struct aafilter *next;
1613};
1614
d1f28cf1
SH		 1615static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p,
1616 int plen)
aba5acdf
SH		 1617{
1618 if (!inet_addr_match(a, p, plen))
1619 return 0;
7d105b56 1620
aba5acdf
SH		 1621 /* Cursed "v4 mapped" addresses: v4 mapped socket matches
1622 * pure IPv4 rule, but v4-mapped rule selects only v4-mapped
1623 * sockets. Fair? */
1624 if (p->family == AF_INET && a->family == AF_INET6) {
1625 if (a->data[0] == 0 && a->data[1] == 0 &&
1626 a->data[2] == htonl(0xffff)) {
1627 inet_prefix tmp = *a;
acd1e437 1628
aba5acdf
SH		 1629 tmp.data[0] = a->data[3];
1630 return inet_addr_match(&tmp, p, plen);
1631 }
1632 }
1633 return 1;
1634}
1635
d1f28cf1 1636static int unix_match(const inet_prefix *a, const inet_prefix *p)
aba5acdf 1637{
99bb68ff 1638 char *addr, *pattern;
acd1e437 1639
99bb68ff
VK		 1640 memcpy(&addr, a->data, sizeof(addr));
1641 memcpy(&pattern, p->data, sizeof(pattern));
aba5acdf
SH		 1642 if (pattern == NULL)
1643 return 1;
1644 if (addr == NULL)
1645 addr = "";
1646 return !fnmatch(pattern, addr, 0);
1647}
1648
055840f2 1649static int run_ssfilter(struct ssfilter *f, struct sockstat *s)
aba5acdf
SH		 1650{
1651 switch (f->type) {
1652 case SSF_S_AUTO:
1653 {
aba5acdf 1654 if (s->local.family == AF_UNIX) {
99bb68ff 1655 char *p;
acd1e437 1656
99bb68ff 1657 memcpy(&p, s->local.data, sizeof(p));
aba5acdf 1658 return p == NULL || (p[0] == '@' && strlen(p) == 6 &&
ae665a52 1659 strspn(p+1, "0123456789abcdef") == 5);
aba5acdf
SH		 1660 }
1661 if (s->local.family == AF_PACKET)
bbd303d1 1662 return s->lport == 0 && s->local.data[0] == 0;
aba5acdf
SH		 1663 if (s->local.family == AF_NETLINK)
1664 return s->lport < 0;
c759116a
SH		 1665 if (s->local.family == AF_VSOCK)
1666 return s->lport > 1023;
aba5acdf 1667
c29d3792 1668 return is_ephemeral(s->lport);
aba5acdf
SH		 1669 }
1670 case SSF_DCOND:
1671 {
acd1e437
SH		 1672 struct aafilter *a = (void *)f->pred;
1673
aba5acdf
SH		 1674 if (a->addr.family == AF_UNIX)
1675 return unix_match(&s->remote, &a->addr);
1676 if (a->port != -1 && a->port != s->rport)
1677 return 0;
1678 if (a->addr.bitlen) {
1679 do {
1680 if (!inet2_addr_match(&s->remote, &a->addr, a->addr.bitlen))
1681 return 1;
1682 } while ((a = a->next) != NULL);
1683 return 0;
1684 }
1685 return 1;
1686 }
1687 case SSF_SCOND:
1688 {
acd1e437
SH		 1689 struct aafilter *a = (void *)f->pred;
1690
aba5acdf
SH		 1691 if (a->addr.family == AF_UNIX)
1692 return unix_match(&s->local, &a->addr);
1693 if (a->port != -1 && a->port != s->lport)
1694 return 0;
1695 if (a->addr.bitlen) {
1696 do {
1697 if (!inet2_addr_match(&s->local, &a->addr, a->addr.bitlen))
1698 return 1;
ae665a52 1699 } while ((a = a->next) != NULL);
aba5acdf
SH		 1700 return 0;
1701 }
1702 return 1;
1703 }
1704 case SSF_D_GE:
1705 {
acd1e437
SH		 1706 struct aafilter *a = (void *)f->pred;
1707
aba5acdf
SH		 1708 return s->rport >= a->port;
1709 }
1710 case SSF_D_LE:
1711 {
acd1e437
SH		 1712 struct aafilter *a = (void *)f->pred;
1713
aba5acdf
SH		 1714 return s->rport <= a->port;
1715 }
1716 case SSF_S_GE:
1717 {
acd1e437
SH		 1718 struct aafilter *a = (void *)f->pred;
1719
aba5acdf
SH		 1720 return s->lport >= a->port;
1721 }
1722 case SSF_S_LE:
1723 {
acd1e437
SH		 1724 struct aafilter *a = (void *)f->pred;
1725
aba5acdf
SH		 1726 return s->lport <= a->port;
1727 }
2d293212
DA		 1728 case SSF_DEVCOND:
1729 {
1730 struct aafilter *a = (void *)f->pred;
aba5acdf 1731
2d293212 1732 return s->iface == a->iface;
ec75249b
LC		 1733 }
1734 case SSF_MARKMASK:
1735 {
1736 struct aafilter *a = (void *)f->pred;
1737
1738 return (s->mark & a->mask) == a->mark;
2d293212 1739 }
aba5acdf
SH		 1740 /* Yup. It is recursion. Sorry. */
1741 case SSF_AND:
1742 return run_ssfilter(f->pred, s) && run_ssfilter(f->post, s);
1743 case SSF_OR:
1744 return run_ssfilter(f->pred, s) || run_ssfilter(f->post, s);
1745 case SSF_NOT:
1746 return !run_ssfilter(f->pred, s);
1747 default:
1748 abort();
1749 }
1750}
1751
ae665a52 1752/* Relocate external jumps by reloc. */
b4b0b7d5 1753static void ssfilter_patch(char *a, int len, int reloc)
aba5acdf
SH		 1754{
1755 while (len > 0) {
acd1e437
SH		 1756 struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)a;
1757
aba5acdf
SH		 1758 if (op->no == len+4)
1759 op->no += reloc;
1760 len -= op->yes;
1761 a += op->yes;
1762 }
1763 if (len < 0)
1764 abort();
1765}
1766
b4b0b7d5 1767static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode)
aba5acdf
SH		 1768{
1769 switch (f->type) {
1770 case SSF_S_AUTO:
1771 {
acd1e437
SH		 1772 if (!(*bytecode = malloc(4))) abort();
1773 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 };
df39de8d 1774 return 4;
aba5acdf
SH		 1775 }
1776 case SSF_DCOND:
1777 case SSF_SCOND:
1778 {
acd1e437 1779 struct aafilter *a = (void *)f->pred;
aba5acdf
SH		 1780 struct aafilter *b;
1781 char *ptr;
351efcde 1782 int code = (f->type == SSF_DCOND ? INET_DIAG_BC_D_COND : INET_DIAG_BC_S_COND);
aba5acdf
SH		 1783 int len = 0;
1784
acd1e437 1785 for (b = a; b; b = b->next) {
351efcde 1786 len += 4 + sizeof(struct inet_diag_hostcond);
aba5acdf
SH		 1787 if (a->addr.family == AF_INET6)
1788 len += 16;
1789 else
1790 len += 4;
1791 if (b->next)
1792 len += 4;
1793 }
1794 if (!(ptr = malloc(len))) abort();
1795 *bytecode = ptr;
acd1e437 1796 for (b = a; b; b = b->next) {
351efcde 1797 struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)ptr;
aba5acdf 1798 int alen = (a->addr.family == AF_INET6 ? 16 : 4);
351efcde 1799 int oplen = alen + 4 + sizeof(struct inet_diag_hostcond);
acd1e437 1800 struct inet_diag_hostcond *cond = (struct inet_diag_hostcond *)(ptr+4);
aba5acdf 1801
351efcde 1802 *op = (struct inet_diag_bc_op){ code, oplen, oplen+4 };
aba5acdf
SH		 1803 cond->family = a->addr.family;
1804 cond->port = a->port;
1805 cond->prefix_len = a->addr.bitlen;
1806 memcpy(cond->addr, a->addr.data, alen);
1807 ptr += oplen;
1808 if (b->next) {
351efcde
SH		 1809 op = (struct inet_diag_bc_op *)ptr;
1810 *op = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, len - (ptr-*bytecode)};
aba5acdf
SH		 1811 ptr += 4;
1812 }
1813 }
1814 return ptr - *bytecode;
1815 }
1816 case SSF_D_GE:
1817 {
acd1e437
SH		 1818 struct aafilter *x = (void *)f->pred;
1819
1820 if (!(*bytecode = malloc(8))) abort();
1821 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_GE, 8, 12 };
1822 ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port };
aba5acdf
SH		 1823 return 8;
1824 }
1825 case SSF_D_LE:
1826 {
acd1e437
SH		 1827 struct aafilter *x = (void *)f->pred;
1828
1829 if (!(*bytecode = malloc(8))) abort();
1830 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_LE, 8, 12 };
1831 ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port };
aba5acdf
SH		 1832 return 8;
1833 }
1834 case SSF_S_GE:
1835 {
acd1e437
SH		 1836 struct aafilter *x = (void *)f->pred;
1837
1838 if (!(*bytecode = malloc(8))) abort();
1839 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_GE, 8, 12 };
1840 ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port };
aba5acdf
SH		 1841 return 8;
1842 }
1843 case SSF_S_LE:
1844 {
acd1e437
SH		 1845 struct aafilter *x = (void *)f->pred;
1846
1847 if (!(*bytecode = malloc(8))) abort();
1848 ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_LE, 8, 12 };
1849 ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port };
aba5acdf
SH		 1850 return 8;
1851 }
1852
1853 case SSF_AND:
1854 {
376fb868 1855 char *a1 = NULL, *a2 = NULL, *a;
2a4fa1c3 1856 int l1, l2;
acd1e437 1857
aba5acdf
SH		 1858 l1 = ssfilter_bytecompile(f->pred, &a1);
1859 l2 = ssfilter_bytecompile(f->post, &a2);
376fb868
DA		 1860 if (!l1 || !l2) {
1861 free(a1);
1862 free(a2);
1863 return 0;
1864 }
aba5acdf
SH		 1865 if (!(a = malloc(l1+l2))) abort();
1866 memcpy(a, a1, l1);
1867 memcpy(a+l1, a2, l2);
1868 free(a1); free(a2);
1869 ssfilter_patch(a, l1, l2);
1870 *bytecode = a;
1871 return l1+l2;
1872 }
1873 case SSF_OR:
1874 {
376fb868 1875 char *a1 = NULL, *a2 = NULL, *a;
2a4fa1c3 1876 int l1, l2;
acd1e437 1877
aba5acdf
SH		 1878 l1 = ssfilter_bytecompile(f->pred, &a1);
1879 l2 = ssfilter_bytecompile(f->post, &a2);
376fb868
DA		 1880 if (!l1 || !l2) {
1881 free(a1);
1882 free(a2);
1883 return 0;
1884 }
aba5acdf
SH		 1885 if (!(a = malloc(l1+l2+4))) abort();
1886 memcpy(a, a1, l1);
1887 memcpy(a+l1+4, a2, l2);
1888 free(a1); free(a2);
acd1e437 1889 *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, l2+4 };
aba5acdf
SH		 1890 *bytecode = a;
1891 return l1+l2+4;
1892 }
1893 case SSF_NOT:
1894 {
376fb868 1895 char *a1 = NULL, *a;
2a4fa1c3 1896 int l1;
acd1e437 1897
aba5acdf 1898 l1 = ssfilter_bytecompile(f->pred, &a1);
376fb868
DA		 1899 if (!l1) {
1900 free(a1);
1901 return 0;
1902 }
aba5acdf
SH		 1903 if (!(a = malloc(l1+4))) abort();
1904 memcpy(a, a1, l1);
1905 free(a1);
acd1e437 1906 *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, 8 };
aba5acdf
SH		 1907 *bytecode = a;
1908 return l1+4;
2d293212
DA		 1909 }
1910 case SSF_DEVCOND:
1911 {
1912 /* bytecompile for SSF_DEVCOND not supported yet */
1913 return 0;
ec75249b
LC		 1914 }
1915 case SSF_MARKMASK:
1916 {
1917 struct aafilter *a = (void *)f->pred;
1918 struct instr {
1919 struct inet_diag_bc_op op;
1920 struct inet_diag_markcond cond;
1921 };
1922 int inslen = sizeof(struct instr);
1923
1924 if (!(*bytecode = malloc(inslen))) abort();
1925 ((struct instr *)*bytecode)[0] = (struct instr) {
1926 { INET_DIAG_BC_MARK_COND, inslen, inslen + 4 },
1927 { a->mark, a->mask},
1928 };
1929
1930 return inslen;
aba5acdf
SH		 1931 }
1932 default:
1933 abort();
1934 }
1935}
1936
b4b0b7d5 1937static int remember_he(struct aafilter *a, struct hostent *he)
aba5acdf 1938{
ae665a52 1939 char **ptr = he->h_addr_list;
aba5acdf
SH		 1940 int cnt = 0;
1941 int len;
1942
1943 if (he->h_addrtype == AF_INET)
1944 len = 4;
1945 else if (he->h_addrtype == AF_INET6)
1946 len = 16;
1947 else
1948 return 0;
1949
1950 while (*ptr) {
1951 struct aafilter *b = a;
acd1e437 1952
aba5acdf
SH		 1953 if (a->addr.bitlen) {
1954 if ((b = malloc(sizeof(*b))) == NULL)
1955 return cnt;
1956 *b = *a;
aba5acdf
SH		 1957 a->next = b;
1958 }
1959 memcpy(b->addr.data, *ptr, len);
1960 b->addr.bytelen = len;
1961 b->addr.bitlen = len*8;
1962 b->addr.family = he->h_addrtype;
1963 ptr++;
1964 cnt++;
1965 }
1966 return cnt;
1967}
1968
b4b0b7d5 1969static int get_dns_host(struct aafilter *a, const char *addr, int fam)
aba5acdf
SH		 1970{
1971 static int notfirst;
1972 int cnt = 0;
1973 struct hostent *he;
1974
1975 a->addr.bitlen = 0;
1976 if (!notfirst) {
1977 sethostent(1);
1978 notfirst = 1;
1979 }
1980 he = gethostbyname2(addr, fam == AF_UNSPEC ? AF_INET : fam);
1981 if (he)
1982 cnt = remember_he(a, he);
1983 if (fam == AF_UNSPEC) {
1984 he = gethostbyname2(addr, AF_INET6);
1985 if (he)
1986 cnt += remember_he(a, he);
1987 }
1988 return !cnt;
1989}
1990
acd1e437 1991static int xll_initted;
aba5acdf 1992
b4b0b7d5 1993static void xll_init(void)
aba5acdf
SH		 1994{
1995 struct rtnl_handle rth;
acd1e437 1996
d2468da0
SH		 1997 if (rtnl_open(&rth, 0) < 0)
1998 exit(1);
1999
aba5acdf
SH		 2000 ll_init_map(&rth);
2001 rtnl_close(&rth);
2002 xll_initted = 1;
2003}
2004
b4b0b7d5 2005static const char *xll_index_to_name(int index)
aba5acdf
SH		 2006{
2007 if (!xll_initted)
2008 xll_init();
2009 return ll_index_to_name(index);
2010}
2011
b4b0b7d5 2012static int xll_name_to_index(const char *dev)
aba5acdf
SH		 2013{
2014 if (!xll_initted)
2015 xll_init();
2016 return ll_name_to_index(dev);
2017}
2018
2d293212
DA		 2019void *parse_devcond(char *name)
2020{
2021 struct aafilter a = { .iface = 0 };
2022 struct aafilter *res;
2023
2024 a.iface = xll_name_to_index(name);
2025 if (a.iface == 0) {
2026 char *end;
930d3f28 2027 unsigned long n;
2d293212 2028
930d3f28
DA		 2029 n = strtoul(name, &end, 0);
2030 if (!end || end == name || *end || n > UINT_MAX)
2d293212 2031 return NULL;
930d3f28
DA		 2032
2033 a.iface = n;
2d293212
DA		 2034 }
2035
2036 res = malloc(sizeof(*res));
2037 *res = a;
2038
2039 return res;
2040}
2041
c759116a
SH		 2042static void vsock_set_inet_prefix(inet_prefix *a, __u32 cid)
2043{
2044 *a = (inet_prefix){
2045 .bytelen = sizeof(cid),
2046 .family = AF_VSOCK,
2047 };
2048 memcpy(a->data, &cid, sizeof(cid));
2049}
2050
7871f7db 2051void *parse_hostcond(char *addr, bool is_port)
aba5acdf
SH		 2052{
2053 char *port = NULL;
1527a17e 2054 struct aafilter a = { .port = -1 };
aba5acdf 2055 struct aafilter *res;
1527a17e 2056 int fam = preferred_family;
9db7bf15 2057 struct filter *f = &current_filter;
aba5acdf 2058
1527a17e 2059 if (fam == AF_UNIX || strncmp(addr, "unix:", 5) == 0) {
aba5acdf 2060 char *p;
acd1e437 2061
aba5acdf
SH		 2062 a.addr.family = AF_UNIX;
2063 if (strncmp(addr, "unix:", 5) == 0)
acd1e437 2064 addr += 5;
aba5acdf
SH		 2065 p = strdup(addr);
2066 a.addr.bitlen = 8*strlen(p);
99bb68ff 2067 memcpy(a.addr.data, &p, sizeof(p));
9db7bf15 2068 fam = AF_UNIX;
aba5acdf
SH		 2069 goto out;
2070 }
2071
1527a17e 2072 if (fam == AF_PACKET || strncmp(addr, "link:", 5) == 0) {
aba5acdf
SH		 2073 a.addr.family = AF_PACKET;
2074 a.addr.bitlen = 0;
2075 if (strncmp(addr, "link:", 5) == 0)
acd1e437 2076 addr += 5;
aba5acdf
SH		 2077 port = strchr(addr, ':');
2078 if (port) {
2079 *port = 0;
2080 if (port[1] && strcmp(port+1, "*")) {
2081 if (get_integer(&a.port, port+1, 0)) {
2082 if ((a.port = xll_name_to_index(port+1)) <= 0)
2083 return NULL;
2084 }
2085 }
2086 }
2087 if (addr[0] && strcmp(addr, "*")) {
2088 unsigned short tmp;
acd1e437 2089
aba5acdf
SH		 2090 a.addr.bitlen = 32;
2091 if (ll_proto_a2n(&tmp, addr))
2092 return NULL;
2093 a.addr.data[0] = ntohs(tmp);
2094 }
9db7bf15 2095 fam = AF_PACKET;
aba5acdf
SH		 2096 goto out;
2097 }
2098
1527a17e 2099 if (fam == AF_NETLINK || strncmp(addr, "netlink:", 8) == 0) {
aba5acdf
SH		 2100 a.addr.family = AF_NETLINK;
2101 a.addr.bitlen = 0;
2102 if (strncmp(addr, "netlink:", 8) == 0)
acd1e437 2103 addr += 8;
aba5acdf
SH		 2104 port = strchr(addr, ':');
2105 if (port) {
2106 *port = 0;
2107 if (port[1] && strcmp(port+1, "*")) {
2108 if (get_integer(&a.port, port+1, 0)) {
2109 if (strcmp(port+1, "kernel") == 0)
2110 a.port = 0;
2111 else
2112 return NULL;
2113 }
2114 }
2115 }
2116 if (addr[0] && strcmp(addr, "*")) {
2117 a.addr.bitlen = 32;
b00daf6a 2118 if (nl_proto_a2n(&a.addr.data[0], addr) == -1)
2119 return NULL;
aba5acdf 2120 }
9db7bf15 2121 fam = AF_NETLINK;
aba5acdf
SH		 2122 goto out;
2123 }
2124
c759116a
SH		 2125 if (fam == AF_VSOCK || strncmp(addr, "vsock:", 6) == 0) {
2126 __u32 cid = ~(__u32)0;
2127
2128 a.addr.family = AF_VSOCK;
2129 if (strncmp(addr, "vsock:", 6) == 0)
2130 addr += 6;
2131
2132 if (is_port)
2133 port = addr;
2134 else {
2135 port = strchr(addr, ':');
2136 if (port) {
2137 *port = '\0';
2138 port++;
2139 }
2140 }
2141
2142 if (port && strcmp(port, "*") &&
2143 get_u32((__u32 *)&a.port, port, 0))
2144 return NULL;
2145
2146 if (addr[0] && strcmp(addr, "*")) {
2147 a.addr.bitlen = 32;
2148 if (get_u32(&cid, addr, 0))
2149 return NULL;
2150 }
2151 vsock_set_inet_prefix(&a.addr, cid);
2152 fam = AF_VSOCK;
2153 goto out;
2154 }
2155
1527a17e 2156 if (fam == AF_INET || !strncmp(addr, "inet:", 5)) {
aba5acdf 2157 fam = AF_INET;
1527a17e
VK		 2158 if (!strncmp(addr, "inet:", 5))
2159 addr += 5;
2160 } else if (fam == AF_INET6 || !strncmp(addr, "inet6:", 6)) {
aba5acdf 2161 fam = AF_INET6;
1527a17e
VK		 2162 if (!strncmp(addr, "inet6:", 6))
2163 addr += 6;
aba5acdf
SH		 2164 }
2165
2166 /* URL-like literal [] */
2167 if (addr[0] == '[') {
2168 addr++;
2169 if ((port = strchr(addr, ']')) == NULL)
2170 return NULL;
2171 *port++ = 0;
2172 } else if (addr[0] == '*') {
2173 port = addr+1;
2174 } else {
2175 port = strrchr(strchr(addr, '/') ? : addr, ':');
2176 }
7871f7db
VK		 2177
2178 if (is_port)
2179 port = addr;
2180
aba5acdf 2181 if (port && *port) {
7871f7db
VK		 2182 if (*port == ':')
2183 *port++ = 0;
2184
aba5acdf
SH		 2185 if (*port && *port != '*') {
2186 if (get_integer(&a.port, port, 0)) {
2187 struct servent *se1 = NULL;
2188 struct servent *se2 = NULL;
acd1e437 2189
aba5acdf
SH		 2190 if (current_filter.dbs&(1<<UDP_DB))
2191 se1 = getservbyname(port, UDP_PROTO);
2192 if (current_filter.dbs&(1<<TCP_DB))
2193 se2 = getservbyname(port, TCP_PROTO);
2194 if (se1 && se2 && se1->s_port != se2->s_port) {
2195 fprintf(stderr, "Error: ambiguous port \"%s\".\n", port);
2196 return NULL;
2197 }
2198 if (!se1)
2199 se1 = se2;
2200 if (se1) {
2201 a.port = ntohs(se1->s_port);
2202 } else {
2203 struct scache *s;
acd1e437 2204
aba5acdf
SH		 2205 for (s = rlist; s; s = s->next) {
2206 if ((s->proto == UDP_PROTO &&
2207 (current_filter.dbs&(1<<UDP_DB))) ||
2208 (s->proto == TCP_PROTO &&
2209 (current_filter.dbs&(1<<TCP_DB)))) {
2210 if (s->name && strcmp(s->name, port) == 0) {
2211 if (a.port > 0 && a.port != s->port) {
2212 fprintf(stderr, "Error: ambiguous port \"%s\".\n", port);
2213 return NULL;
2214 }
2215 a.port = s->port;
2216 }
2217 }
2218 }
2219 if (a.port <= 0) {
2220 fprintf(stderr, "Error: \"%s\" does not look like a port.\n", port);
2221 return NULL;
2222 }
2223 }
2224 }
2225 }
2226 }
44448a90 2227 if (!is_port && *addr && *addr != '*') {
aba5acdf
SH		 2228 if (get_prefix_1(&a.addr, addr, fam)) {
2229 if (get_dns_host(&a, addr, fam)) {
2230 fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", addr);
2231 return NULL;
2232 }
2233 }
2234 }
2235
9db7bf15 2236out:
1527a17e 2237 if (fam != AF_UNSPEC) {
e56a959e 2238 int states = f->states;
1527a17e 2239 f->families = 0;
9db7bf15 2240 filter_af_set(f, fam);
e56a959e 2241 filter_states_set(f, states);
1527a17e 2242 }
9db7bf15 2243
aba5acdf
SH		 2244 res = malloc(sizeof(*res));
2245 if (res)
2246 memcpy(res, &a, sizeof(a));
2247 return res;
2248}
2249
ec75249b
LC		 2250void *parse_markmask(const char *markmask)
2251{
2252 struct aafilter a, *res;
2253
2254 if (strchr(markmask, '/')) {
2255 if (sscanf(markmask, "%i/%i", &a.mark, &a.mask) != 2)
2256 return NULL;
2257 } else {
2258 a.mask = 0xffffffff;
2259 if (sscanf(markmask, "%i", &a.mark) != 1)
2260 return NULL;
2261 }
2262
2263 res = malloc(sizeof(*res));
2264 if (res)
2265 memcpy(res, &a, sizeof(a));
2266 return res;
2267}
2268
5f27ac1d 2269static void proc_ctx_print(struct sockstat *s)
8250bc9f 2270{
5f27ac1d 2271 char *buf;
8250bc9f 2272
8250bc9f
VK		 2273 if (show_proc_ctx || show_sock_ctx) {
2274 if (find_entry(s->ino, &buf,
2275 (show_proc_ctx & show_sock_ctx) ?
2276 PROC_SOCK_CTX : PROC_CTX) > 0) {
90351722 2277 out(" users:(%s)", buf);
8250bc9f
VK		 2278 free(buf);
2279 }
2280 } else if (show_users) {
2281 if (find_entry(s->ino, &buf, USERS) > 0) {
90351722 2282 out(" users:(%s)", buf);
8250bc9f
VK		 2283 free(buf);
2284 }
2285 }
2286}
2287
1267c0b9 2288static void inet_stats_print(struct sockstat *s, bool v6only)
5f27ac1d
PS		 2289{
2290 sock_state_print(s);
2291
1267c0b9
PS		 2292 inet_addr_print(&s->local, s->lport, s->iface, v6only);
2293 inet_addr_print(&s->remote, s->rport, 0, v6only);
5f27ac1d
PS		 2294
2295 proc_ctx_print(s);
2296}
2297
055840f2 2298static int proc_parse_inet_addr(char *loc, char *rem, int family, struct
acd1e437 2299 sockstat * s)
8250bc9f
VK		 2300{
2301 s->local.family = s->remote.family = family;
2302 if (family == AF_INET) {
acd1e437
SH		 2303 sscanf(loc, "%x:%x", s->local.data, (unsigned *)&s->lport);
2304 sscanf(rem, "%x:%x", s->remote.data, (unsigned *)&s->rport);
8250bc9f
VK		 2305 s->local.bytelen = s->remote.bytelen = 4;
2306 return 0;
2307 } else {
2308 sscanf(loc, "%08x%08x%08x%08x:%x",
2309 s->local.data,
2310 s->local.data + 1,
2311 s->local.data + 2,
2312 s->local.data + 3,
2313 &s->lport);
2314 sscanf(rem, "%08x%08x%08x%08x:%x",
2315 s->remote.data,
2316 s->remote.data + 1,
2317 s->remote.data + 2,
2318 s->remote.data + 3,
2319 &s->rport);
2320 s->local.bytelen = s->remote.bytelen = 16;
2321 return 0;
2322 }
2323 return -1;
2324}
2325
2326static int proc_inet_split_line(char *line, char **loc, char **rem, char **data)
aba5acdf 2327{
aba5acdf 2328 char *p;
ae665a52 2329
aba5acdf
SH		 2330 if ((p = strchr(line, ':')) == NULL)
2331 return -1;
ae665a52 2332
8250bc9f
VK		 2333 *loc = p+2;
2334 if ((p = strchr(*loc, ':')) == NULL)
aba5acdf 2335 return -1;
ae665a52 2336
8250bc9f
VK		 2337 p[5] = 0;
2338 *rem = p+6;
2339 if ((p = strchr(*rem, ':')) == NULL)
aba5acdf 2340 return -1;
8250bc9f 2341
aba5acdf 2342 p[5] = 0;
8250bc9f
VK		 2343 *data = p+6;
2344 return 0;
2345}
ae665a52 2346
8250bc9f
VK		 2347static char *sprint_bw(char *buf, double bw)
2348{
2349 if (bw > 1000000.)
acd1e437 2350 sprintf(buf, "%.1fM", bw / 1000000.);
8250bc9f 2351 else if (bw > 1000.)
acd1e437 2352 sprintf(buf, "%.1fK", bw / 1000.);
8250bc9f
VK		 2353 else
2354 sprintf(buf, "%g", bw);
aba5acdf 2355
8250bc9f
VK		 2356 return buf;
2357}
ae665a52 2358
f89d46ad
PS		 2359static void sctp_stats_print(struct sctp_info *s)
2360{
2361 if (s->sctpi_tag)
90351722 2362 out(" tag:%x", s->sctpi_tag);
f89d46ad 2363 if (s->sctpi_state)
90351722 2364 out(" state:%s", sctp_sstate_name[s->sctpi_state]);
f89d46ad 2365 if (s->sctpi_rwnd)
90351722 2366 out(" rwnd:%d", s->sctpi_rwnd);
f89d46ad 2367 if (s->sctpi_unackdata)
90351722 2368 out(" unackdata:%d", s->sctpi_unackdata);
f89d46ad 2369 if (s->sctpi_penddata)
90351722 2370 out(" penddata:%d", s->sctpi_penddata);
f89d46ad 2371 if (s->sctpi_instrms)
90351722 2372 out(" instrms:%d", s->sctpi_instrms);
f89d46ad 2373 if (s->sctpi_outstrms)
90351722 2374 out(" outstrms:%d", s->sctpi_outstrms);
f89d46ad 2375 if (s->sctpi_inqueue)
90351722 2376 out(" inqueue:%d", s->sctpi_inqueue);
f89d46ad 2377 if (s->sctpi_outqueue)
90351722 2378 out(" outqueue:%d", s->sctpi_outqueue);
f89d46ad 2379 if (s->sctpi_overall_error)
90351722 2380 out(" overerr:%d", s->sctpi_overall_error);
f89d46ad 2381 if (s->sctpi_max_burst)
90351722 2382 out(" maxburst:%d", s->sctpi_max_burst);
f89d46ad 2383 if (s->sctpi_maxseg)
90351722 2384 out(" maxseg:%d", s->sctpi_maxseg);
f89d46ad 2385 if (s->sctpi_peer_rwnd)
90351722 2386 out(" prwnd:%d", s->sctpi_peer_rwnd);
f89d46ad 2387 if (s->sctpi_peer_tag)
90351722 2388 out(" ptag:%x", s->sctpi_peer_tag);
f89d46ad 2389 if (s->sctpi_peer_capable)
90351722 2390 out(" pcapable:%d", s->sctpi_peer_capable);
f89d46ad 2391 if (s->sctpi_peer_sack)
90351722 2392 out(" psack:%d", s->sctpi_peer_sack);
f89d46ad 2393 if (s->sctpi_s_autoclose)
90351722 2394 out(" autoclose:%d", s->sctpi_s_autoclose);
f89d46ad 2395 if (s->sctpi_s_adaptation_ind)
90351722 2396 out(" adapind:%d", s->sctpi_s_adaptation_ind);
f89d46ad 2397 if (s->sctpi_s_pd_point)
90351722 2398 out(" pdpoint:%d", s->sctpi_s_pd_point);
f89d46ad 2399 if (s->sctpi_s_nodelay)
90351722 2400 out(" nodealy:%d", s->sctpi_s_nodelay);
f89d46ad 2401 if (s->sctpi_s_disable_fragments)
90351722 2402 out(" nofrag:%d", s->sctpi_s_disable_fragments);
f89d46ad 2403 if (s->sctpi_s_v4mapped)
90351722 2404 out(" v4mapped:%d", s->sctpi_s_v4mapped);
f89d46ad 2405 if (s->sctpi_s_frag_interleave)
90351722 2406 out(" fraginl:%d", s->sctpi_s_frag_interleave);
f89d46ad
PS		 2407}
2408
8250bc9f
VK		 2409static void tcp_stats_print(struct tcpstat *s)
2410{
2411 char b1[64];
2412
2413 if (s->has_ts_opt)
90351722 2414 out(" ts");
8250bc9f 2415 if (s->has_sack_opt)
90351722 2416 out(" sack");
8250bc9f 2417 if (s->has_ecn_opt)
90351722 2418 out(" ecn");
8250bc9f 2419 if (s->has_ecnseen_opt)
90351722 2420 out(" ecnseen");
8250bc9f 2421 if (s->has_fastopen_opt)
90351722 2422 out(" fastopen");
d2055ea5 2423 if (s->cong_alg[0])
90351722 2424 out(" %s", s->cong_alg);
8250bc9f 2425 if (s->has_wscale_opt)
90351722 2426 out(" wscale:%d,%d", s->snd_wscale, s->rcv_wscale);
8250bc9f 2427 if (s->rto)
90351722 2428 out(" rto:%g", s->rto);
8250bc9f 2429 if (s->backoff)
90351722 2430 out(" backoff:%u", s->backoff);
8250bc9f 2431 if (s->rtt)
90351722 2432 out(" rtt:%g/%g", s->rtt, s->rttvar);
8250bc9f 2433 if (s->ato)
90351722 2434 out(" ato:%g", s->ato);
8250bc9f
VK		 2435
2436 if (s->qack)
90351722 2437 out(" qack:%d", s->qack);
8250bc9f 2438 if (s->qack & 1)
90351722 2439 out(" bidir");
8250bc9f
VK		 2440
2441 if (s->mss)
90351722 2442 out(" mss:%d", s->mss);
3d791a32
RM		 2443 if (s->pmtu)
2444 out(" pmtu:%u", s->pmtu);
38e6dbc4 2445 if (s->rcv_mss)
90351722 2446 out(" rcvmss:%d", s->rcv_mss);
38e6dbc4 2447 if (s->advmss)
90351722 2448 out(" advmss:%d", s->advmss);
3bf5445c 2449 if (s->cwnd)
90351722 2450 out(" cwnd:%u", s->cwnd);
8250bc9f 2451 if (s->ssthresh)
90351722 2452 out(" ssthresh:%d", s->ssthresh);
8250bc9f 2453
5eead627
ED		 2454 if (s->bytes_sent)
2455 out(" bytes_sent:%llu", s->bytes_sent);
2456 if (s->bytes_retrans)
2457 out(" bytes_retrans:%llu", s->bytes_retrans);
1a4dda71 2458 if (s->bytes_acked)
90351722 2459 out(" bytes_acked:%llu", s->bytes_acked);
1a4dda71 2460 if (s->bytes_received)
90351722 2461 out(" bytes_received:%llu", s->bytes_received);
ecb435ea 2462 if (s->segs_out)
90351722 2463 out(" segs_out:%u", s->segs_out);
ecb435ea 2464 if (s->segs_in)
90351722 2465 out(" segs_in:%u", s->segs_in);
414aeec9 2466 if (s->data_segs_out)
90351722 2467 out(" data_segs_out:%u", s->data_segs_out);
414aeec9 2468 if (s->data_segs_in)
90351722 2469 out(" data_segs_in:%u", s->data_segs_in);
1a4dda71 2470
8250bc9f
VK		 2471 if (s->dctcp && s->dctcp->enabled) {
2472 struct dctcpstat *dctcp = s->dctcp;
2473
90351722
SB		 2474 out(" dctcp:(ce_state:%u,alpha:%u,ab_ecn:%u,ab_tot:%u)",
2475 dctcp->ce_state, dctcp->alpha, dctcp->ab_ecn,
2476 dctcp->ab_tot);
8250bc9f 2477 } else if (s->dctcp) {
90351722 2478 out(" dctcp:fallback_mode");
8250bc9f
VK		 2479 }
2480
2f0f9aef
NC		 2481 if (s->bbr_info) {
2482 __u64 bw;
2483
2484 bw = s->bbr_info->bbr_bw_hi;
2485 bw <<= 32;
2486 bw |= s->bbr_info->bbr_bw_lo;
2487
90351722
SB		 2488 out(" bbr:(bw:%sbps,mrtt:%g",
2489 sprint_bw(b1, bw * 8.0),
2490 (double)s->bbr_info->bbr_min_rtt / 1000.0);
2f0f9aef 2491 if (s->bbr_info->bbr_pacing_gain)
90351722
SB		 2492 out(",pacing_gain:%g",
2493 (double)s->bbr_info->bbr_pacing_gain / 256.0);
2f0f9aef 2494 if (s->bbr_info->bbr_cwnd_gain)
90351722
SB		 2495 out(",cwnd_gain:%g",
2496 (double)s->bbr_info->bbr_cwnd_gain / 256.0);
2497 out(")");
2f0f9aef
NC		 2498 }
2499
8250bc9f 2500 if (s->send_bps)
90351722 2501 out(" send %sbps", sprint_bw(b1, s->send_bps));
8250bc9f 2502 if (s->lastsnd)
90351722 2503 out(" lastsnd:%u", s->lastsnd);
8250bc9f 2504 if (s->lastrcv)
90351722 2505 out(" lastrcv:%u", s->lastrcv);
8250bc9f 2506 if (s->lastack)
90351722 2507 out(" lastack:%u", s->lastack);
8250bc9f
VK		 2508
2509 if (s->pacing_rate) {
90351722 2510 out(" pacing_rate %sbps", sprint_bw(b1, s->pacing_rate));
8250bc9f 2511 if (s->pacing_rate_max)
90351722 2512 out("/%sbps", sprint_bw(b1, s->pacing_rate_max));
8250bc9f
VK		 2513 }
2514
2f579872 2515 if (s->delivery_rate)
90351722 2516 out(" delivery_rate %sbps", sprint_bw(b1, s->delivery_rate));
2f4d834b
ED		 2517 if (s->delivered)
2518 out(" delivered:%u", s->delivered);
2519 if (s->delivered_ce)
2520 out(" delivered_ce:%u", s->delivered_ce);
2f579872 2521 if (s->app_limited)
90351722 2522 out(" app_limited");
2f579872 2523
b6c7fc61 2524 if (s->busy_time) {
90351722 2525 out(" busy:%llums", s->busy_time / 1000);
b6c7fc61 2526 if (s->rwnd_limited)
90351722
SB		 2527 out(" rwnd_limited:%llums(%.1f%%)",
2528 s->rwnd_limited / 1000,
2529 100.0 * s->rwnd_limited / s->busy_time);
b6c7fc61 2530 if (s->sndbuf_limited)
90351722
SB		 2531 out(" sndbuf_limited:%llums(%.1f%%)",
2532 s->sndbuf_limited / 1000,
2533 100.0 * s->sndbuf_limited / s->busy_time);
b6c7fc61
YC		 2534 }
2535
8250bc9f 2536 if (s->unacked)
90351722 2537 out(" unacked:%u", s->unacked);
8250bc9f 2538 if (s->retrans || s->retrans_total)
90351722 2539 out(" retrans:%u/%u", s->retrans, s->retrans_total);
8250bc9f 2540 if (s->lost)
90351722 2541 out(" lost:%u", s->lost);
055840f2 2542 if (s->sacked && s->ss.state != SS_LISTEN)
90351722 2543 out(" sacked:%u", s->sacked);
5eead627
ED		 2544 if (s->dsack_dups)
2545 out(" dsack_dups:%u", s->dsack_dups);
8250bc9f 2546 if (s->fackets)
90351722 2547 out(" fackets:%u", s->fackets);
8250bc9f 2548 if (s->reordering != 3)
90351722 2549 out(" reordering:%d", s->reordering);
5eead627
ED		 2550 if (s->reord_seen)
2551 out(" reord_seen:%d", s->reord_seen);
8250bc9f 2552 if (s->rcv_rtt)
90351722 2553 out(" rcv_rtt:%g", s->rcv_rtt);
8250bc9f 2554 if (s->rcv_space)
90351722 2555 out(" rcv_space:%d", s->rcv_space);
00ac78d3 2556 if (s->rcv_ssthresh)
90351722 2557 out(" rcv_ssthresh:%u", s->rcv_ssthresh);
9e99e495 2558 if (s->not_sent)
90351722 2559 out(" notsent:%u", s->not_sent);
9e99e495 2560 if (s->min_rtt)
90351722 2561 out(" minrtt:%g", s->min_rtt);
8250bc9f
VK		 2562}
2563
055840f2
VK		 2564static void tcp_timer_print(struct tcpstat *s)
2565{
86dfa1be
PS		 2566 static const char * const tmr_name[] = {
2567 "off",
2568 "on",
2569 "keepalive",
2570 "timewait",
2571 "persist",
2572 "unknown"
2573 };
2574
055840f2
VK		 2575 if (s->timer) {
2576 if (s->timer > 4)
2577 s->timer = 5;
90351722
SB		 2578 out(" timer:(%s,%s,%d)",
2579 tmr_name[s->timer],
2580 print_ms_timer(s->timeout),
2581 s->retrans);
055840f2
VK		 2582 }
2583}
2584
f89d46ad
PS		 2585static void sctp_timer_print(struct tcpstat *s)
2586{
2587 if (s->timer)
90351722
SB		 2588 out(" timer:(T3_RTX,%s,%d)",
2589 print_ms_timer(s->timeout), s->retrans);
f89d46ad
PS		 2590}
2591
8250bc9f
VK		 2592static int tcp_show_line(char *line, const struct filter *f, int family)
2593{
2594 int rto = 0, ato = 0;
2595 struct tcpstat s = {};
2596 char *loc, *rem, *data;
2597 char opt[256];
2598 int n;
2599 int hz = get_user_hz();
2600
2601 if (proc_inet_split_line(line, &loc, &rem, &data))
2602 return -1;
2603
2604 int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0');
acd1e437 2605
8250bc9f
VK		 2606 if (!(f->states & (1 << state)))
2607 return 0;
2608
055840f2 2609 proc_parse_inet_addr(loc, rem, family, &s.ss);
ae665a52 2610
055840f2 2611 if (f->f && run_ssfilter(f->f, &s.ss) == 0)
aba5acdf 2612 return 0;
ae665a52 2613
aba5acdf 2614 opt[0] = 0;
d1f338b3 2615 n = sscanf(data, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %u %d %[^\n]\n",
055840f2
VK		 2616 &s.ss.state, &s.ss.wq, &s.ss.rq,
2617 &s.timer, &s.timeout, &s.retrans, &s.ss.uid, &s.probes,
2618 &s.ss.ino, &s.ss.refcnt, &s.ss.sk, &rto, &ato, &s.qack, &s.cwnd,
2619 &s.ssthresh, opt);
ae665a52 2620
aba5acdf
SH		 2621 if (n < 17)
2622 opt[0] = 0;
ae665a52 2623
aba5acdf 2624 if (n < 12) {
8250bc9f 2625 rto = 0;
aba5acdf
SH		 2626 s.cwnd = 2;
2627 s.ssthresh = -1;
8250bc9f 2628 ato = s.qack = 0;
aba5acdf 2629 }
ae665a52 2630
8250bc9f
VK		 2631 s.retrans = s.timer != 1 ? s.probes : s.retrans;
2632 s.timeout = (s.timeout * 1000 + hz - 1) / hz;
2633 s.ato = (double)ato / hz;
2634 s.qack /= 2;
2635 s.rto = (double)rto;
2636 s.ssthresh = s.ssthresh == -1 ? 0 : s.ssthresh;
2637 s.rto = s.rto != 3 * hz ? s.rto / hz : 0;
be7e4d20 2638 s.ss.type = IPPROTO_TCP;
ae665a52 2639
1267c0b9 2640 inet_stats_print(&s.ss, false);
055840f2
VK		 2641
2642 if (show_options)
2643 tcp_timer_print(&s);
116ac927 2644
aba5acdf 2645 if (show_details) {
f1b39e1b 2646 sock_details_print(&s.ss);
aba5acdf 2647 if (opt[0])
90351722 2648 out(" opt:\"%s\"", opt);
aba5acdf 2649 }
aba5acdf 2650
8250bc9f
VK		 2651 if (show_tcpinfo)
2652 tcp_stats_print(&s);
2653
aba5acdf
SH		 2654 return 0;
2655}
2656
ab01dbbb
SH		 2657static int generic_record_read(FILE *fp,
2658 int (*worker)(char*, const struct filter *, int),
2659 const struct filter *f, int fam)
aba5acdf 2660{
ab01dbbb 2661 char line[256];
aba5acdf 2662
ab01dbbb
SH		 2663 /* skip header */
2664 if (fgets(line, sizeof(line), fp) == NULL)
aba5acdf 2665 goto outerr;
ab01dbbb
SH		 2666
2667 while (fgets(line, sizeof(line), fp) != NULL) {
2668 int n = strlen(line);
acd1e437 2669
ab01dbbb
SH		 2670 if (n == 0 || line[n-1] != '\n') {
2671 errno = -EINVAL;
2672 return -1;
aba5acdf 2673 }
ab01dbbb 2674 line[n-1] = 0;
aba5acdf 2675
ab01dbbb
SH		 2676 if (worker(line, f, fam) < 0)
2677 return 0;
2678 }
aba5acdf 2679outerr:
ab01dbbb
SH		 2680
2681 return ferror(fp) ? -1 : 0;
aba5acdf 2682}
ae665a52 2683
51ff9f24
HFS		 2684static void print_skmeminfo(struct rtattr *tb[], int attrtype)
2685{
2686 const __u32 *skmeminfo;
db08bdb8
VK		 2687
2688 if (!tb[attrtype]) {
2689 if (attrtype == INET_DIAG_SKMEMINFO) {
2690 if (!tb[INET_DIAG_MEMINFO])
2691 return;
2692
2693 const struct inet_diag_meminfo *minfo =
2694 RTA_DATA(tb[INET_DIAG_MEMINFO]);
2695
90351722
SB		 2696 out(" mem:(r%u,w%u,f%u,t%u)",
2697 minfo->idiag_rmem,
2698 minfo->idiag_wmem,
2699 minfo->idiag_fmem,
2700 minfo->idiag_tmem);
db08bdb8 2701 }
51ff9f24 2702 return;
db08bdb8
VK		 2703 }
2704
51ff9f24
HFS		 2705 skmeminfo = RTA_DATA(tb[attrtype]);
2706
90351722
SB		 2707 out(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u",
2708 skmeminfo[SK_MEMINFO_RMEM_ALLOC],
2709 skmeminfo[SK_MEMINFO_RCVBUF],
2710 skmeminfo[SK_MEMINFO_WMEM_ALLOC],
2711 skmeminfo[SK_MEMINFO_SNDBUF],
2712 skmeminfo[SK_MEMINFO_FWD_ALLOC],
2713 skmeminfo[SK_MEMINFO_WMEM_QUEUED],
2714 skmeminfo[SK_MEMINFO_OPTMEM]);
51ff9f24
HFS		 2715
2716 if (RTA_PAYLOAD(tb[attrtype]) >=
2717 (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32))
90351722 2718 out(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]);
51ff9f24 2719
6df9c7a0
ED		 2720 if (RTA_PAYLOAD(tb[attrtype]) >=
2721 (SK_MEMINFO_DROPS + 1) * sizeof(__u32))
90351722 2722 out(",d%u", skmeminfo[SK_MEMINFO_DROPS]);
6df9c7a0 2723
90351722 2724 out(")");
51ff9f24
HFS		 2725}
2726
da9cc6ab
ID		 2727static void print_md5sig(struct tcp_diag_md5sig *sig)
2728{
90351722
SB		 2729 out("%s/%d=",
2730 format_host(sig->tcpm_family,
2731 sig->tcpm_family == AF_INET6 ? 16 : 4,
2732 &sig->tcpm_addr),
2733 sig->tcpm_prefixlen);
da9cc6ab
ID		 2734 print_escape_buf(sig->tcpm_key, sig->tcpm_keylen, " ,");
2735}
2736
8250bc9f
VK		 2737#define TCPI_HAS_OPT(info, opt) !!(info->tcpi_options & (opt))
2738
5b816047
PE		 2739static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
2740 struct rtattr *tb[])
7d105b56 2741{
b4b0b7d5 2742 double rtt = 0;
8250bc9f 2743 struct tcpstat s = {};
7d105b56 2744
055840f2
VK		 2745 s.ss.state = r->idiag_state;
2746
db08bdb8 2747 print_skmeminfo(tb, INET_DIAG_SKMEMINFO);
7d105b56 2748
351efcde 2749 if (tb[INET_DIAG_INFO]) {
05e18118 2750 struct tcp_info *info;
351efcde 2751 int len = RTA_PAYLOAD(tb[INET_DIAG_INFO]);
05e18118
SH		 2752
2753 /* workaround for older kernels with less fields */
2754 if (len < sizeof(*info)) {
2755 info = alloca(sizeof(*info));
351efcde 2756 memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len);
656e8fdd 2757 memset((char *)info + len, 0, sizeof(*info) - len);
05e18118 2758 } else
351efcde 2759 info = RTA_DATA(tb[INET_DIAG_INFO]);
05e18118 2760
b4b0b7d5 2761 if (show_options) {
8250bc9f
VK		 2762 s.has_ts_opt = TCPI_HAS_OPT(info, TCPI_OPT_TIMESTAMPS);
2763 s.has_sack_opt = TCPI_HAS_OPT(info, TCPI_OPT_SACK);
2764 s.has_ecn_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN);
2765 s.has_ecnseen_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN_SEEN);
2766 s.has_fastopen_opt = TCPI_HAS_OPT(info, TCPI_OPT_SYN_DATA);
b4b0b7d5 2767 }
52d5ac3f 2768
d2055ea5
ED		 2769 if (tb[INET_DIAG_CONG])
2770 strncpy(s.cong_alg,
2771 rta_getattr_str(tb[INET_DIAG_CONG]),
2772 sizeof(s.cong_alg) - 1);
8250bc9f
VK		 2773
2774 if (TCPI_HAS_OPT(info, TCPI_OPT_WSCALE)) {
2775 s.has_wscale_opt = true;
2776 s.snd_wscale = info->tcpi_snd_wscale;
2777 s.rcv_wscale = info->tcpi_rcv_wscale;
2778 }
ea8fc104 2779
7d105b56 2780 if (info->tcpi_rto && info->tcpi_rto != 3000000)
8250bc9f
VK		 2781 s.rto = (double)info->tcpi_rto / 1000;
2782
2783 s.backoff = info->tcpi_backoff;
2784 s.rtt = (double)info->tcpi_rtt / 1000;
2785 s.rttvar = (double)info->tcpi_rttvar / 1000;
11ba90fc 2786 s.ato = (double)info->tcpi_ato / 1000;
8250bc9f 2787 s.mss = info->tcpi_snd_mss;
38e6dbc4
ED		 2788 s.rcv_mss = info->tcpi_rcv_mss;
2789 s.advmss = info->tcpi_advmss;
8250bc9f
VK		 2790 s.rcv_space = info->tcpi_rcv_space;
2791 s.rcv_rtt = (double)info->tcpi_rcv_rtt / 1000;
2792 s.lastsnd = info->tcpi_last_data_sent;
2793 s.lastrcv = info->tcpi_last_data_recv;
2794 s.lastack = info->tcpi_last_ack_recv;
2795 s.unacked = info->tcpi_unacked;
2796 s.retrans = info->tcpi_retrans;
2797 s.retrans_total = info->tcpi_total_retrans;
2798 s.lost = info->tcpi_lost;
2799 s.sacked = info->tcpi_sacked;
c4be5feb 2800 s.fackets = info->tcpi_fackets;
8250bc9f 2801 s.reordering = info->tcpi_reordering;
00ac78d3 2802 s.rcv_ssthresh = info->tcpi_rcv_ssthresh;
8250bc9f 2803 s.cwnd = info->tcpi_snd_cwnd;
3d791a32 2804 s.pmtu = info->tcpi_pmtu;
8250bc9f 2805
7d105b56 2806 if (info->tcpi_snd_ssthresh < 0xFFFF)
8250bc9f 2807 s.ssthresh = info->tcpi_snd_ssthresh;
52d5ac3f 2808
b4b0b7d5 2809 rtt = (double) info->tcpi_rtt;
351efcde 2810 if (tb[INET_DIAG_VEGASINFO]) {
05e18118 2811 const struct tcpvegas_info *vinfo
351efcde 2812 = RTA_DATA(tb[INET_DIAG_VEGASINFO]);
7d105b56 2813
ae665a52 2814 if (vinfo->tcpv_enabled &&
8250bc9f 2815 vinfo->tcpv_rtt && vinfo->tcpv_rtt != 0x7fffffff)
ea8fc104 2816 rtt = vinfo->tcpv_rtt;
b4b0b7d5
SH		 2817 }
2818
907e1aca 2819 if (tb[INET_DIAG_DCTCPINFO]) {
8250bc9f
VK		 2820 struct dctcpstat *dctcp = malloc(sizeof(struct
2821 dctcpstat));
2822
907e1aca
DB		 2823 const struct tcp_dctcp_info *dinfo
2824 = RTA_DATA(tb[INET_DIAG_DCTCPINFO]);
2825
8250bc9f
VK		 2826 dctcp->enabled = !!dinfo->dctcp_enabled;
2827 dctcp->ce_state = dinfo->dctcp_ce_state;
2828 dctcp->alpha = dinfo->dctcp_alpha;
2829 dctcp->ab_ecn = dinfo->dctcp_ab_ecn;
2830 dctcp->ab_tot = dinfo->dctcp_ab_tot;
2831 s.dctcp = dctcp;
907e1aca
DB		 2832 }
2833
2f0f9aef
NC		 2834 if (tb[INET_DIAG_BBRINFO]) {
2835 const void *bbr_info = RTA_DATA(tb[INET_DIAG_BBRINFO]);
2836 int len = min(RTA_PAYLOAD(tb[INET_DIAG_BBRINFO]),
2837 sizeof(*s.bbr_info));
2838
2839 s.bbr_info = calloc(1, sizeof(*s.bbr_info));
2840 if (s.bbr_info && bbr_info)
2841 memcpy(s.bbr_info, bbr_info, len);
2842 }
2843
b4b0b7d5 2844 if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) {
8250bc9f
VK		 2845 s.send_bps = (double) info->tcpi_snd_cwnd *
2846 (double)info->tcpi_snd_mss * 8000000. / rtt;
7d105b56 2847 }
b4b0b7d5 2848
eb6028b2 2849 if (info->tcpi_pacing_rate &&
8250bc9f
VK		 2850 info->tcpi_pacing_rate != ~0ULL) {
2851 s.pacing_rate = info->tcpi_pacing_rate * 8.;
eb6028b2
ED		 2852
2853 if (info->tcpi_max_pacing_rate &&
8250bc9f
VK		 2854 info->tcpi_max_pacing_rate != ~0ULL)
2855 s.pacing_rate_max = info->tcpi_max_pacing_rate * 8.;
eb6028b2 2856 }
1a4dda71
ED		 2857 s.bytes_acked = info->tcpi_bytes_acked;
2858 s.bytes_received = info->tcpi_bytes_received;
ecb435ea
CG		 2859 s.segs_out = info->tcpi_segs_out;
2860 s.segs_in = info->tcpi_segs_in;
414aeec9
MKL		 2861 s.data_segs_out = info->tcpi_data_segs_out;
2862 s.data_segs_in = info->tcpi_data_segs_in;
9e99e495 2863 s.not_sent = info->tcpi_notsent_bytes;
d9ba887e
ED		 2864 if (info->tcpi_min_rtt && info->tcpi_min_rtt != ~0U)
2865 s.min_rtt = (double) info->tcpi_min_rtt / 1000;
2f579872
NC		 2866 s.delivery_rate = info->tcpi_delivery_rate * 8.;
2867 s.app_limited = info->tcpi_delivery_rate_app_limited;
b6c7fc61
YC		 2868 s.busy_time = info->tcpi_busy_time;
2869 s.rwnd_limited = info->tcpi_rwnd_limited;
2870 s.sndbuf_limited = info->tcpi_sndbuf_limited;
2f4d834b
ED		 2871 s.delivered = info->tcpi_delivered;
2872 s.delivered_ce = info->tcpi_delivered_ce;
5eead627
ED		 2873 s.dsack_dups = info->tcpi_dsack_dups;
2874 s.reord_seen = info->tcpi_reord_seen;
2875 s.bytes_sent = info->tcpi_bytes_sent;
2876 s.bytes_retrans = info->tcpi_bytes_retrans;
8250bc9f 2877 tcp_stats_print(&s);
92de1c2c 2878 free(s.dctcp);
2f0f9aef 2879 free(s.bbr_info);
77a8ca81 2880 }
da9cc6ab
ID		 2881 if (tb[INET_DIAG_MD5SIG]) {
2882 struct tcp_diag_md5sig *sig = RTA_DATA(tb[INET_DIAG_MD5SIG]);
2883 int len = RTA_PAYLOAD(tb[INET_DIAG_MD5SIG]);
2884
90351722 2885 out(" md5keys:");
da9cc6ab
ID		 2886 print_md5sig(sig++);
2887 for (len -= sizeof(*sig); len > 0; len -= sizeof(*sig)) {
90351722 2888 out(",");
da9cc6ab
ID		 2889 print_md5sig(sig++);
2890 }
2891 }
77a8ca81
PE		 2892}
2893
f89d46ad
PS		 2894static const char *format_host_sa(struct sockaddr_storage *sa)
2895{
2896 union {
2897 struct sockaddr_in sin;
2898 struct sockaddr_in6 sin6;
2899 } *saddr = (void *)sa;
2900
2901 switch (sa->ss_family) {
2902 case AF_INET:
2903 return format_host(AF_INET, 4, &saddr->sin.sin_addr);
2904 case AF_INET6:
2905 return format_host(AF_INET6, 16, &saddr->sin6.sin6_addr);
2906 default:
2907 return "";
2908 }
2909}
2910
2911static void sctp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
2912 struct rtattr *tb[])
2913{
2914 struct sockaddr_storage *sa;
2915 int len;
2916
2917 print_skmeminfo(tb, INET_DIAG_SKMEMINFO);
2918
2919 if (tb[INET_DIAG_LOCALS]) {
2920 len = RTA_PAYLOAD(tb[INET_DIAG_LOCALS]);
2921 sa = RTA_DATA(tb[INET_DIAG_LOCALS]);
2922
90351722 2923 out("locals:%s", format_host_sa(sa));
f89d46ad 2924 for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa))
90351722 2925 out(",%s", format_host_sa(sa));
f89d46ad
PS		 2926
2927 }
2928 if (tb[INET_DIAG_PEERS]) {
2929 len = RTA_PAYLOAD(tb[INET_DIAG_PEERS]);
2930 sa = RTA_DATA(tb[INET_DIAG_PEERS]);
2931
90351722 2932 out(" peers:%s", format_host_sa(sa));
f89d46ad 2933 for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa))
90351722 2934 out(",%s", format_host_sa(sa));
f89d46ad
PS		 2935 }
2936 if (tb[INET_DIAG_INFO]) {
2937 struct sctp_info *info;
2938 len = RTA_PAYLOAD(tb[INET_DIAG_INFO]);
2939
2940 /* workaround for older kernels with less fields */
2941 if (len < sizeof(*info)) {
2942 info = alloca(sizeof(*info));
2943 memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len);
2944 memset((char *)info + len, 0, sizeof(*info) - len);
2945 } else
2946 info = RTA_DATA(tb[INET_DIAG_INFO]);
2947
2948 sctp_stats_print(info);
2949 }
2950}
2951
82d73ea0 2952static void parse_diag_msg(struct nlmsghdr *nlh, struct sockstat *s)
aba5acdf 2953{
acd1e437 2954 struct rtattr *tb[INET_DIAG_MAX+1];
351efcde 2955 struct inet_diag_msg *r = NLMSG_DATA(nlh);
aba5acdf 2956
acd1e437 2957 parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1),
5b816047
PE		 2958 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
2959
82d73ea0
DA		 2960 s->state = r->idiag_state;
2961 s->local.family = s->remote.family = r->idiag_family;
2962 s->lport = ntohs(r->id.idiag_sport);
2963 s->rport = ntohs(r->id.idiag_dport);
2964 s->wq = r->idiag_wqueue;
2965 s->rq = r->idiag_rqueue;
2966 s->ino = r->idiag_inode;
2967 s->uid = r->idiag_uid;
2968 s->iface = r->id.idiag_if;
2969 s->sk = cookie_sk_get(&r->id.idiag_cookie[0]);
2970
ec75249b
LC		 2971 s->mark = 0;
2972 if (tb[INET_DIAG_MARK])
9f1370c0 2973 s->mark = rta_getattr_u32(tb[INET_DIAG_MARK]);
41fe6c34 2974 if (tb[INET_DIAG_PROTOCOL])
9f1370c0 2975 s->raw_prot = rta_getattr_u8(tb[INET_DIAG_PROTOCOL]);
41fe6c34
CG		 2976 else
2977 s->raw_prot = 0;
ec75249b 2978
82d73ea0
DA		 2979 if (s->local.family == AF_INET)
2980 s->local.bytelen = s->remote.bytelen = 4;
2981 else
2982 s->local.bytelen = s->remote.bytelen = 16;
8250bc9f 2983
82d73ea0
DA		 2984 memcpy(s->local.data, r->id.idiag_src, s->local.bytelen);
2985 memcpy(s->remote.data, r->id.idiag_dst, s->local.bytelen);
2986}
aba5acdf 2987
82d73ea0 2988static int inet_show_sock(struct nlmsghdr *nlh,
be7e4d20 2989 struct sockstat *s)
82d73ea0
DA		 2990{
2991 struct rtattr *tb[INET_DIAG_MAX+1];
2992 struct inet_diag_msg *r = NLMSG_DATA(nlh);
1267c0b9 2993 unsigned char v6only = 0;
82d73ea0
DA		 2994
2995 parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1),
2996 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
aba5acdf 2997
6885e3bf 2998 if (tb[INET_DIAG_PROTOCOL])
9f1370c0 2999 s->type = rta_getattr_u8(tb[INET_DIAG_PROTOCOL]);
6885e3bf 3000
1267c0b9
PS		 3001 if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY])
3002 v6only = rta_getattr_u8(tb[INET_DIAG_SKV6ONLY]);
3003
3004 inet_stats_print(s, v6only);
116ac927 3005
055840f2
VK		 3006 if (show_options) {
3007 struct tcpstat t = {};
3008
3009 t.timer = r->idiag_timer;
3010 t.timeout = r->idiag_expires;
3011 t.retrans = r->idiag_retrans;
be7e4d20 3012 if (s->type == IPPROTO_SCTP)
f89d46ad
PS		 3013 sctp_timer_print(&t);
3014 else
3015 tcp_timer_print(&t);
055840f2
VK		 3016 }
3017
aba5acdf 3018 if (show_details) {
82d73ea0 3019 sock_details_print(s);
1267c0b9 3020 if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY])
90351722 3021 out(" v6only:%u", v6only);
1267c0b9 3022
5b816047
PE		 3023 if (tb[INET_DIAG_SHUTDOWN]) {
3024 unsigned char mask;
acd1e437 3025
9f1370c0 3026 mask = rta_getattr_u8(tb[INET_DIAG_SHUTDOWN]);
90351722
SB		 3027 out(" %c-%c",
3028 mask & 1 ? '-' : '<', mask & 2 ? '-' : '>');
5b816047 3029 }
aba5acdf 3030 }
8250bc9f 3031
0f3f0ca3
KK		 3032 if (show_tos) {
3033 if (tb[INET_DIAG_TOS])
3034 out(" tos:%#x", rta_getattr_u8(tb[INET_DIAG_TOS]));
3035 if (tb[INET_DIAG_TCLASS])
3036 out(" tclass:%#x", rta_getattr_u8(tb[INET_DIAG_TCLASS]));
3037 if (tb[INET_DIAG_CLASS_ID])
3038 out(" class_id:%#x", rta_getattr_u32(tb[INET_DIAG_CLASS_ID]));
3039 }
3040
be7e4d20 3041 if (show_mem || (show_tcpinfo && s->type != IPPROTO_UDP)) {
90351722 3042 out("\n\t");
be7e4d20 3043 if (s->type == IPPROTO_SCTP)
f89d46ad
PS		 3044 sctp_show_info(nlh, r, tb);
3045 else
3046 tcp_show_info(nlh, r, tb);
aba5acdf 3047 }
f89d46ad 3048 sctp_ino = s->ino;
7d105b56 3049
aba5acdf 3050 return 0;
aba5acdf
SH		 3051}
3052
746a695f 3053static int tcpdiag_send(int fd, int protocol, struct filter *f)
aba5acdf 3054{
d17b136f 3055 struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK };
aba5acdf
SH		 3056 struct {
3057 struct nlmsghdr nlh;
351efcde 3058 struct inet_diag_req r;
d17b136f
PS		 3059 } req = {
3060 .nlh.nlmsg_len = sizeof(req),
3061 .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST,
3062 .nlh.nlmsg_seq = MAGIC_SEQ,
3063 .r.idiag_family = AF_INET,
3064 .r.idiag_states = f->states,
3065 };
aba5acdf
SH		 3066 char *bc = NULL;
3067 int bclen;
3068 struct msghdr msg;
3069 struct rtattr rta;
aba5acdf 3070 struct iovec iov[3];
376fb868 3071 int iovlen = 1;
aba5acdf 3072
346f8ca8
PE		 3073 if (protocol == IPPROTO_UDP)
3074 return -1;
3075
3fe5b534
PE		 3076 if (protocol == IPPROTO_TCP)
3077 req.nlh.nlmsg_type = TCPDIAG_GETSOCK;
3078 else
3079 req.nlh.nlmsg_type = DCCPDIAG_GETSOCK;
910b0397 3080 if (show_mem) {
ae665a52 3081 req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1));
910b0397
SW		 3082 req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1));
3083 }
b4b0b7d5 3084
7d105b56 3085 if (show_tcpinfo) {
351efcde
SH		 3086 req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1));
3087 req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1));
3088 req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1));
7d105b56 3089 }
aba5acdf 3090
0f3f0ca3
KK		 3091 if (show_tos) {
3092 req.r.idiag_ext |= (1<<(INET_DIAG_TOS-1));
3093 req.r.idiag_ext |= (1<<(INET_DIAG_TCLASS-1));
3094 }
3095
ae665a52
SH		 3096 iov[0] = (struct iovec){
3097 .iov_base = &req,
3098 .iov_len = sizeof(req)
ea8fc104 3099 };
aba5acdf
SH		 3100 if (f->f) {
3101 bclen = ssfilter_bytecompile(f->f, &bc);
376fb868
DA		 3102 if (bclen) {
3103 rta.rta_type = INET_DIAG_REQ_BYTECODE;
3104 rta.rta_len = RTA_LENGTH(bclen);
3105 iov[1] = (struct iovec){ &rta, sizeof(rta) };
3106 iov[2] = (struct iovec){ bc, bclen };
3107 req.nlh.nlmsg_len += RTA_LENGTH(bclen);
3108 iovlen = 3;
3109 }
aba5acdf
SH		 3110 }
3111
3112 msg = (struct msghdr) {
acd1e437 3113 .msg_name = (void *)&nladdr,
ea8fc104 3114 .msg_namelen = sizeof(nladdr),
ae665a52 3115 .msg_iov = iov,
376fb868 3116 .msg_iovlen = iovlen,
aba5acdf
SH		 3117 };
3118
930a75f9
ED		 3119 if (sendmsg(fd, &msg, 0) < 0) {
3120 close(fd);
aba5acdf 3121 return -1;
930a75f9 3122 }
aba5acdf 3123
746a695f
PE		 3124 return 0;
3125}
3126
886d19d6
PE		 3127static int sockdiag_send(int family, int fd, int protocol, struct filter *f)
3128{
d17b136f 3129 struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK };
5fb421d4 3130 DIAG_REQUEST(req, struct inet_diag_req_v2 r);
886d19d6
PE		 3131 char *bc = NULL;
3132 int bclen;
3133 struct msghdr msg;
3134 struct rtattr rta;
3135 struct iovec iov[3];
376fb868 3136 int iovlen = 1;
886d19d6
PE		 3137
3138 if (family == PF_UNSPEC)
3139 return tcpdiag_send(fd, protocol, f);
3140
886d19d6
PE		 3141 memset(&req.r, 0, sizeof(req.r));
3142 req.r.sdiag_family = family;
3143 req.r.sdiag_protocol = protocol;
3144 req.r.idiag_states = f->states;
3145 if (show_mem) {
3146 req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1));
3147 req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1));
3148 }
3149
3150 if (show_tcpinfo) {
3151 req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1));
3152 req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1));
3153 req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1));
3154 }
3155
0f3f0ca3
KK		 3156 if (show_tos) {
3157 req.r.idiag_ext |= (1<<(INET_DIAG_TOS-1));
3158 req.r.idiag_ext |= (1<<(INET_DIAG_TCLASS-1));
3159 }
3160
886d19d6
PE		 3161 iov[0] = (struct iovec){
3162 .iov_base = &req,
3163 .iov_len = sizeof(req)
3164 };
3165 if (f->f) {
3166 bclen = ssfilter_bytecompile(f->f, &bc);
376fb868
DA		 3167 if (bclen) {
3168 rta.rta_type = INET_DIAG_REQ_BYTECODE;
3169 rta.rta_len = RTA_LENGTH(bclen);
3170 iov[1] = (struct iovec){ &rta, sizeof(rta) };
3171 iov[2] = (struct iovec){ bc, bclen };
3172 req.nlh.nlmsg_len += RTA_LENGTH(bclen);
3173 iovlen = 3;
3174 }
886d19d6
PE		 3175 }
3176
3177 msg = (struct msghdr) {
acd1e437 3178 .msg_name = (void *)&nladdr,
886d19d6
PE		 3179 .msg_namelen = sizeof(nladdr),
3180 .msg_iov = iov,
376fb868 3181 .msg_iovlen = iovlen,
886d19d6
PE		 3182 };
3183
3184 if (sendmsg(fd, &msg, 0) < 0) {
3185 close(fd);
3186 return -1;
3187 }
3188
3189 return 0;
3190}
3191
486ccd99
VK		 3192struct inet_diag_arg {
3193 struct filter *f;
3194 int protocol;
fb2594c1 3195 struct rtnl_handle *rth;
486ccd99 3196};
aba5acdf 3197
41fe6c34 3198static int kill_inet_sock(struct nlmsghdr *h, void *arg, struct sockstat *s)
fb2594c1
LC		 3199{
3200 struct inet_diag_msg *d = NLMSG_DATA(h);
3201 struct inet_diag_arg *diag_arg = arg;
3202 struct rtnl_handle *rth = diag_arg->rth;
acd1e437 3203
fb2594c1
LC		 3204 DIAG_REQUEST(req, struct inet_diag_req_v2 r);
3205
3206 req.nlh.nlmsg_type = SOCK_DESTROY;
3207 req.nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
3208 req.nlh.nlmsg_seq = ++rth->seq;
3209 req.r.sdiag_family = d->idiag_family;
3210 req.r.sdiag_protocol = diag_arg->protocol;
3211 req.r.id = d->id;
3212
41fe6c34
CG		 3213 if (diag_arg->protocol == IPPROTO_RAW) {
3214 struct inet_diag_req_raw *raw = (void *)&req.r;
3215
3216 BUILD_BUG_ON(sizeof(req.r) != sizeof(*raw));
3217 raw->sdiag_raw_protocol = s->raw_prot;
3218 }
3219
86bf43c7 3220 return rtnl_talk(rth, &req.nlh, NULL);
fb2594c1
LC		 3221}
3222
cd554f2c 3223static int show_one_inet_sock(struct nlmsghdr *h, void *arg)
486ccd99
VK		 3224{
3225 int err;
3226 struct inet_diag_arg *diag_arg = arg;
3227 struct inet_diag_msg *r = NLMSG_DATA(h);
82d73ea0 3228 struct sockstat s = {};
aba5acdf 3229
b338a3e7 3230 if (!(diag_arg->f->families & FAMILY_MASK(r->idiag_family)))
486ccd99 3231 return 0;
82d73ea0
DA		 3232
3233 parse_diag_msg(h, &s);
be7e4d20 3234 s.type = diag_arg->protocol;
82d73ea0
DA		 3235
3236 if (diag_arg->f->f && run_ssfilter(diag_arg->f->f, &s) == 0)
3237 return 0;
3238
41fe6c34 3239 if (diag_arg->f->kill && kill_inet_sock(h, arg, &s) != 0) {
fb2594c1
LC		 3240 if (errno == EOPNOTSUPP || errno == ENOENT) {
3241 /* Socket can't be closed, or is already closed. */
3242 return 0;
3243 } else {
3244 perror("SOCK_DESTROY answers");
3245 return -1;
3246 }
3247 }
82d73ea0 3248
be7e4d20 3249 err = inet_show_sock(h, &s);
82d73ea0 3250 if (err < 0)
486ccd99 3251 return err;
aba5acdf 3252
486ccd99
VK		 3253 return 0;
3254}
886d19d6 3255
486ccd99
VK		 3256static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol)
3257{
3258 int err = 0;
fb2594c1 3259 struct rtnl_handle rth, rth2;
486ccd99
VK		 3260 int family = PF_INET;
3261 struct inet_diag_arg arg = { .f = f, .protocol = protocol };
886d19d6 3262
486ccd99
VK		 3263 if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG))
3264 return -1;
fb2594c1
LC		 3265
3266 if (f->kill) {
3267 if (rtnl_open_byproto(&rth2, 0, NETLINK_SOCK_DIAG)) {
3268 rtnl_close(&rth);
3269 return -1;
3270 }
3271 arg.rth = &rth2;
3272 }
3273
486ccd99
VK		 3274 rth.dump = MAGIC_SEQ;
3275 rth.dump_fp = dump_fp;
518af1e0
ED		 3276 if (preferred_family == PF_INET6)
3277 family = PF_INET6;
886d19d6 3278
486ccd99
VK		 3279again:
3280 if ((err = sockdiag_send(family, rth.fd, protocol, f)))
3281 goto Exit;
aba5acdf 3282
486ccd99
VK		 3283 if ((err = rtnl_dump_filter(&rth, show_one_inet_sock, &arg))) {
3284 if (family != PF_UNSPEC) {
3285 family = PF_UNSPEC;
3286 goto again;
aba5acdf 3287 }
486ccd99 3288 goto Exit;
aba5acdf 3289 }
518af1e0 3290 if (family == PF_INET && preferred_family != PF_INET) {
886d19d6
PE		 3291 family = PF_INET6;
3292 goto again;
3293 }
3294
486ccd99
VK		 3295Exit:
3296 rtnl_close(&rth);
fb2594c1
LC		 3297 if (arg.rth)
3298 rtnl_close(arg.rth);
486ccd99 3299 return err;
aba5acdf
SH		 3300}
3301
ab01dbbb 3302static int tcp_show_netlink_file(struct filter *f)
aba5acdf
SH		 3303{
3304 FILE *fp;
e557212e 3305 char buf[16384];
4b45ae22 3306 int err = -1;
aba5acdf
SH		 3307
3308 if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) {
3309 perror("fopen($TCPDIAG_FILE)");
4b45ae22 3310 return err;
aba5acdf
SH		 3311 }
3312
3313 while (1) {
4b45ae22 3314 int status, err2;
acd1e437 3315 struct nlmsghdr *h = (struct nlmsghdr *)buf;
82d73ea0 3316 struct sockstat s = {};
aba5acdf
SH		 3317
3318 status = fread(buf, 1, sizeof(*h), fp);
3319 if (status < 0) {
3320 perror("Reading header from $TCPDIAG_FILE");
4b45ae22 3321 break;
aba5acdf
SH		 3322 }
3323 if (status != sizeof(*h)) {
3324 perror("Unexpected EOF reading $TCPDIAG_FILE");
4b45ae22 3325 break;
aba5acdf
SH		 3326 }
3327
3328 status = fread(h+1, 1, NLMSG_ALIGN(h->nlmsg_len-sizeof(*h)), fp);
3329
3330 if (status < 0) {
3331 perror("Reading $TCPDIAG_FILE");
4b45ae22 3332 break;
aba5acdf
SH		 3333 }
3334 if (status + sizeof(*h) < h->nlmsg_len) {
3335 perror("Unexpected EOF reading $TCPDIAG_FILE");
4b45ae22 3336 break;
aba5acdf
SH		 3337 }
3338
3339 /* The only legal exit point */
4b45ae22
PS		 3340 if (h->nlmsg_type == NLMSG_DONE) {
3341 err = 0;
3342 break;
3343 }
aba5acdf
SH		 3344
3345 if (h->nlmsg_type == NLMSG_ERROR) {
acd1e437
SH		 3346 struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h);
3347
aba5acdf
SH		 3348 if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) {
3349 fprintf(stderr, "ERROR truncated\n");
3350 } else {
3351 errno = -err->error;
3352 perror("TCPDIAG answered");
3353 }
4b45ae22 3354 break;
aba5acdf
SH		 3355 }
3356
82d73ea0 3357 parse_diag_msg(h, &s);
be7e4d20 3358 s.type = IPPROTO_TCP;
82d73ea0
DA		 3359
3360 if (f && f->f && run_ssfilter(f->f, &s) == 0)
3361 continue;
3362
4b45ae22
PS		 3363 err2 = inet_show_sock(h, &s);
3364 if (err2 < 0) {
3365 err = err2;
3366 break;
3367 }
aba5acdf 3368 }
4b45ae22
PS		 3369
3370 fclose(fp);
3371 return err;
aba5acdf
SH		 3372}
3373
6c6bbc30 3374static int tcp_show(struct filter *f)
aba5acdf 3375{
ab01dbbb 3376 FILE *fp = NULL;
aba5acdf 3377 char *buf = NULL;
10f68773 3378 int bufsize = 1024*1024;
aba5acdf 3379
1527a17e
VK		 3380 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
3381 return 0;
3382
aba5acdf
SH		 3383 dg_proto = TCP_PROTO;
3384
3385 if (getenv("TCPDIAG_FILE"))
3386 return tcp_show_netlink_file(f);
3387
3388 if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT")
6c6bbc30 3389 && inet_show_netlink(f, NULL, IPPROTO_TCP) == 0)
aba5acdf
SH		 3390 return 0;
3391
3392 /* Sigh... We have to parse /proc/net/tcp... */
aba5acdf
SH		 3393 while (bufsize >= 64*1024) {
3394 if ((buf = malloc(bufsize)) != NULL)
3395 break;
3396 bufsize /= 2;
3397 }
3398 if (buf == NULL) {
3399 errno = ENOMEM;
3400 return -1;
3401 }
3402
b338a3e7 3403 if (f->families & FAMILY_MASK(AF_INET)) {
69cae645 3404 if ((fp = net_tcp_open()) == NULL)
aba5acdf 3405 goto outerr;
ab01dbbb
SH		 3406
3407 setbuffer(fp, buf, bufsize);
3408 if (generic_record_read(fp, tcp_show_line, f, AF_INET))
aba5acdf 3409 goto outerr;
ab01dbbb 3410 fclose(fp);
aba5acdf
SH		 3411 }
3412
b338a3e7 3413 if ((f->families & FAMILY_MASK(AF_INET6)) &&
69cae645 3414 (fp = net_tcp6_open()) != NULL) {
ab01dbbb
SH		 3415 setbuffer(fp, buf, bufsize);
3416 if (generic_record_read(fp, tcp_show_line, f, AF_INET6))
aba5acdf 3417 goto outerr;
ab01dbbb 3418 fclose(fp);
aba5acdf
SH		 3419 }
3420
3421 free(buf);
3422 return 0;
3423
3424outerr:
3425 do {
3426 int saved_errno = errno;
acd1e437 3427
92de1c2c 3428 free(buf);
ab01dbbb
SH		 3429 if (fp)
3430 fclose(fp);
aba5acdf
SH		 3431 errno = saved_errno;
3432 return -1;
3433 } while (0);
3434}
3435
6c6bbc30
PS		 3436static int dccp_show(struct filter *f)
3437{
3438 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
3439 return 0;
3440
3441 if (!getenv("PROC_NET_DCCP") && !getenv("PROC_ROOT")
3442 && inet_show_netlink(f, NULL, IPPROTO_DCCP) == 0)
3443 return 0;
3444
3445 return 0;
3446}
3447
f89d46ad
PS		 3448static int sctp_show(struct filter *f)
3449{
3450 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
3451 return 0;
3452
3453 if (!getenv("PROC_NET_SCTP") && !getenv("PROC_ROOT")
3454 && inet_show_netlink(f, NULL, IPPROTO_SCTP) == 0)
3455 return 0;
3456
3457 return 0;
3458}
aba5acdf 3459
d1f28cf1 3460static int dgram_show_line(char *line, const struct filter *f, int family)
aba5acdf 3461{
055840f2 3462 struct sockstat s = {};
aba5acdf
SH		 3463 char *loc, *rem, *data;
3464 char opt[256];
3465 int n;
aba5acdf 3466
8250bc9f 3467 if (proc_inet_split_line(line, &loc, &rem, &data))
aba5acdf 3468 return -1;
aba5acdf 3469
8250bc9f 3470 int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0');
acd1e437 3471
8250bc9f
VK		 3472 if (!(f->states & (1 << state)))
3473 return 0;
aba5acdf 3474
8250bc9f 3475 proc_parse_inet_addr(loc, rem, family, &s);
aba5acdf
SH		 3476
3477 if (f->f && run_ssfilter(f->f, &s) == 0)
3478 return 0;
3479
3480 opt[0] = 0;
e7113c61 3481 n = sscanf(data, "%x %x:%x %*x:%*x %*x %d %*d %u %d %llx %[^\n]\n",
aba5acdf
SH		 3482 &s.state, &s.wq, &s.rq,
3483 &s.uid, &s.ino,
3484 &s.refcnt, &s.sk, opt);
3485
3486 if (n < 9)
3487 opt[0] = 0;
3488
be7e4d20 3489 s.type = dg_proto == UDP_PROTO ? IPPROTO_UDP : 0;
1267c0b9 3490 inet_stats_print(&s, false);
aba5acdf 3491
f1b39e1b 3492 if (show_details && opt[0])
90351722 3493 out(" opt:\"%s\"", opt);
aba5acdf
SH		 3494
3495 return 0;
3496}
3497
d1f28cf1 3498static int udp_show(struct filter *f)
aba5acdf 3499{
ab01dbbb 3500 FILE *fp = NULL;
aba5acdf 3501
1527a17e
VK		 3502 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
3503 return 0;
3504
ace5cb31
VK		 3505 dg_proto = UDP_PROTO;
3506
346f8ca8
PE		 3507 if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT")
3508 && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0)
3509 return 0;
3510
b338a3e7 3511 if (f->families&FAMILY_MASK(AF_INET)) {
69cae645 3512 if ((fp = net_udp_open()) == NULL)
aba5acdf 3513 goto outerr;
ab01dbbb 3514 if (generic_record_read(fp, dgram_show_line, f, AF_INET))
aba5acdf 3515 goto outerr;
ab01dbbb 3516 fclose(fp);
aba5acdf
SH		 3517 }
3518
b338a3e7 3519 if ((f->families&FAMILY_MASK(AF_INET6)) &&
69cae645 3520 (fp = net_udp6_open()) != NULL) {
ab01dbbb 3521 if (generic_record_read(fp, dgram_show_line, f, AF_INET6))
aba5acdf 3522 goto outerr;
ab01dbbb 3523 fclose(fp);
aba5acdf
SH		 3524 }
3525 return 0;
3526
3527outerr:
3528 do {
3529 int saved_errno = errno;
acd1e437 3530
ab01dbbb
SH		 3531 if (fp)
3532 fclose(fp);
aba5acdf
SH		 3533 errno = saved_errno;
3534 return -1;
3535 } while (0);
3536}
3537
d1f28cf1 3538static int raw_show(struct filter *f)
aba5acdf 3539{
ab01dbbb 3540 FILE *fp = NULL;
aba5acdf 3541
1527a17e
VK		 3542 if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6))
3543 return 0;
3544
aba5acdf
SH		 3545 dg_proto = RAW_PROTO;
3546
41fe6c34
CG		 3547 if (!getenv("PROC_NET_RAW") && !getenv("PROC_ROOT") &&
3548 inet_show_netlink(f, NULL, IPPROTO_RAW) == 0)
3549 return 0;
3550
b338a3e7 3551 if (f->families&FAMILY_MASK(AF_INET)) {
69cae645 3552 if ((fp = net_raw_open()) == NULL)
aba5acdf 3553 goto outerr;
ab01dbbb 3554 if (generic_record_read(fp, dgram_show_line, f, AF_INET))
aba5acdf 3555 goto outerr;
ab01dbbb 3556 fclose(fp);
aba5acdf
SH		 3557 }
3558
b338a3e7 3559 if ((f->families&FAMILY_MASK(AF_INET6)) &&
69cae645 3560 (fp = net_raw6_open()) != NULL) {
ab01dbbb 3561 if (generic_record_read(fp, dgram_show_line, f, AF_INET6))
aba5acdf 3562 goto outerr;
ab01dbbb 3563 fclose(fp);
aba5acdf
SH		 3564 }
3565 return 0;
3566
3567outerr:
3568 do {
3569 int saved_errno = errno;
acd1e437 3570
ab01dbbb
SH		 3571 if (fp)
3572 fclose(fp);
aba5acdf
SH		 3573 errno = saved_errno;
3574 return -1;
3575 } while (0);
3576}
3577
ec4d0d8a 3578#define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct sockstat))
aba5acdf 3579
2d0e538f 3580static void unix_list_drop_first(struct sockstat **list)
aba5acdf 3581{
2d0e538f 3582 struct sockstat *s = *list;
ec4d0d8a 3583
2d0e538f
PS		 3584 (*list) = (*list)->next;
3585 free(s->name);
3586 free(s);
aba5acdf
SH		 3587}
3588
ec4d0d8a 3589static bool unix_type_skip(struct sockstat *s, struct filter *f)
bf4ceee6
VK		 3590{
3591 if (s->type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB)))
3592 return true;
3593 if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB)))
3594 return true;
3595 if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB)))
3596 return true;
3597 return false;
3598}
3599
2d0e538f 3600static void unix_stats_print(struct sockstat *s, struct filter *f)
aba5acdf 3601{
b217df10 3602 char port_name[30] = {};
aba5acdf 3603
2d0e538f 3604 sock_state_print(s);
2d791bc8 3605
2d0e538f
PS		 3606 sock_addr_print(s->name ?: "*", " ",
3607 int_to_str(s->lport, port_name), NULL);
3608 sock_addr_print(s->peer_name ?: "*", " ",
3609 int_to_str(s->rport, port_name), NULL);
116ac927 3610
2d0e538f 3611 proc_ctx_print(s);
aba5acdf
SH		 3612}
3613
cd554f2c 3614static int unix_show_sock(struct nlmsghdr *nlh, void *arg)
dfbaa90d 3615{
8a4025f6 3616 struct filter *f = (struct filter *)arg;
dfbaa90d
PE		 3617 struct unix_diag_msg *r = NLMSG_DATA(nlh);
3618 struct rtattr *tb[UNIX_DIAG_MAX+1];
99bb68ff
VK		 3619 char name[128];
3620 struct sockstat stat = { .name = "*", .peer_name = "*" };
dfbaa90d 3621
acd1e437 3622 parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr *)(r+1),
dfbaa90d
PE		 3623 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
3624
bf4ceee6
VK		 3625 stat.type = r->udiag_type;
3626 stat.state = r->udiag_state;
ec4d0d8a
VK		 3627 stat.ino = stat.lport = r->udiag_ino;
3628 stat.local.family = stat.remote.family = AF_UNIX;
0d2e01c5 3629
bf4ceee6
VK		 3630 if (unix_type_skip(&stat, f))
3631 return 0;
dfbaa90d 3632
defd61ca
HFS		 3633 if (tb[UNIX_DIAG_RQLEN]) {
3634 struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]);
acd1e437 3635
bf4ceee6
VK		 3636 stat.rq = rql->udiag_rqueue;
3637 stat.wq = rql->udiag_wqueue;
defd61ca 3638 }
dfbaa90d
PE		 3639 if (tb[UNIX_DIAG_NAME]) {
3640 int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]);
3641
3642 memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len);
3643 name[len] = '\0';
1dd0cca7
SH		 3644 if (name[0] == '\0') {
3645 int i;
3646 for (i = 0; i < len; i++)
878dadc7
IB		 3647 if (name[i] == '\0')
3648 name[i] = '@';
1dd0cca7 3649 }
99bb68ff
VK		 3650 stat.name = &name[0];
3651 memcpy(stat.local.data, &stat.name, sizeof(stat.name));
bf4ceee6 3652 }
dfbaa90d 3653 if (tb[UNIX_DIAG_PEER])
ec4d0d8a 3654 stat.rport = rta_getattr_u32(tb[UNIX_DIAG_PEER]);
dfbaa90d 3655
29999b0f
VK		 3656 if (f->f && run_ssfilter(f->f, &stat) == 0)
3657 return 0;
3658
bf4ceee6 3659 unix_stats_print(&stat, f);
dfbaa90d 3660
45199997 3661 if (show_mem)
51ff9f24 3662 print_skmeminfo(tb, UNIX_DIAG_MEMINFO);
5b816047
PE		 3663 if (show_details) {
3664 if (tb[UNIX_DIAG_SHUTDOWN]) {
3665 unsigned char mask;
acd1e437 3666
9f1370c0 3667 mask = rta_getattr_u8(tb[UNIX_DIAG_SHUTDOWN]);
90351722
SB		 3668 out(" %c-%c",
3669 mask & 1 ? '-' : '<', mask & 2 ? '-' : '>');
5b816047 3670 }
0bab7630
CW		 3671 if (tb[UNIX_DIAG_VFS]) {
3672 struct unix_diag_vfs *uv = RTA_DATA(tb[UNIX_DIAG_VFS]);
3673
3674 out(" ino:%u dev:%u/%u", uv->udiag_vfs_ino, major(uv->udiag_vfs_dev),
3675 minor(uv->udiag_vfs_dev));
3676 }
3677 if (tb[UNIX_DIAG_ICONS]) {
3678 int len = RTA_PAYLOAD(tb[UNIX_DIAG_ICONS]);
3679 __u32 *peers = RTA_DATA(tb[UNIX_DIAG_ICONS]);
3680 int i;
3681
3682 out(" peers:");
3683 for (i = 0; i < len / sizeof(__u32); i++)
3684 out(" %u", peers[i]);
3685 }
5b816047 3686 }
ec4d0d8a 3687
dfbaa90d
PE		 3688 return 0;
3689}
3690
8a4025f6 3691static int handle_netlink_request(struct filter *f, struct nlmsghdr *req,
3692 size_t size, rtnl_filter_t show_one_sock)
dfbaa90d 3693{
8a4025f6 3694 int ret = -1;
3695 struct rtnl_handle rth;
dfbaa90d 3696
8a4025f6 3697 if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG))
dfbaa90d
PE		 3698 return -1;
3699
8a4025f6 3700 rth.dump = MAGIC_SEQ;
dfbaa90d 3701
8a4025f6 3702 if (rtnl_send(&rth, req, size) < 0)
3703 goto Exit;
dfbaa90d 3704
8a4025f6 3705 if (rtnl_dump_filter(&rth, show_one_sock, f))
3706 goto Exit;
dfbaa90d 3707
8a4025f6 3708 ret = 0;
3709Exit:
3710 rtnl_close(&rth);
3711 return ret;
dfbaa90d
PE		 3712}
3713
8a4025f6 3714static int unix_show_netlink(struct filter *f)
d8402b96 3715{
5fb421d4 3716 DIAG_REQUEST(req, struct unix_diag_req r);
d8402b96
AV		 3717
3718 req.r.sdiag_family = AF_UNIX;
3719 req.r.udiag_states = f->states;
3720 req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN;
3721 if (show_mem)
3722 req.r.udiag_show |= UDIAG_SHOW_MEMINFO;
0bab7630
CW		 3723 if (show_details)
3724 req.r.udiag_show |= UDIAG_SHOW_VFS | UDIAG_SHOW_ICONS;
d8402b96 3725
8a4025f6 3726 return handle_netlink_request(f, &req.nlh, sizeof(req), unix_show_sock);
d8402b96
AV		 3727}
3728
d1f28cf1 3729static int unix_show(struct filter *f)
aba5acdf
SH		 3730{
3731 FILE *fp;
3732 char buf[256];
3733 char name[128];
3734 int newformat = 0;
3735 int cnt;
ec4d0d8a 3736 struct sockstat *list = NULL;
96d45daa
PS		 3737 const int unix_state_map[] = { SS_CLOSE, SS_SYN_SENT,
3738 SS_ESTABLISHED, SS_CLOSING };
aba5acdf 3739
9db7bf15
VK		 3740 if (!filter_af_get(f, AF_UNIX))
3741 return 0;
3742
f25062e9
PS		 3743 if (!getenv("PROC_NET_UNIX") && !getenv("PROC_ROOT")
3744 && unix_show_netlink(f) == 0)
dfbaa90d
PE		 3745 return 0;
3746
ab01dbbb 3747 if ((fp = net_unix_open()) == NULL)
aba5acdf 3748 return -1;
61170fd8 3749 if (!fgets(buf, sizeof(buf), fp)) {
d572ed4d
PS		 3750 fclose(fp);
3751 return -1;
3752 }
aba5acdf 3753
ae665a52 3754 if (memcmp(buf, "Peer", 4) == 0)
aba5acdf
SH		 3755 newformat = 1;
3756 cnt = 0;
3757
61170fd8 3758 while (fgets(buf, sizeof(buf), fp)) {
ec4d0d8a 3759 struct sockstat *u, **insp;
aba5acdf
SH		 3760 int flags;
3761
0ee9052f 3762 if (!(u = calloc(1, sizeof(*u))))
aba5acdf 3763 break;
aba5acdf
SH		 3764
3765 if (sscanf(buf, "%x: %x %x %x %x %x %d %s",
ec4d0d8a 3766 &u->rport, &u->rq, &u->wq, &flags, &u->type,
aba5acdf
SH		 3767 &u->state, &u->ino, name) < 8)
3768 name[0] = 0;
3769
ec4d0d8a
VK		 3770 u->lport = u->ino;
3771 u->local.family = u->remote.family = AF_UNIX;
3772
3773 if (flags & (1 << 16)) {
aba5acdf 3774 u->state = SS_LISTEN;
0aa03350
PS		 3775 } else if (u->state > 0 &&
3776 u->state <= ARRAY_SIZE(unix_state_map)) {
aba5acdf 3777 u->state = unix_state_map[u->state-1];
ec4d0d8a 3778 if (u->type == SOCK_DGRAM && u->state == SS_CLOSE && u->rport)
aba5acdf
SH		 3779 u->state = SS_ESTABLISHED;
3780 }
2d0e538f
PS		 3781 if (unix_type_skip(u, f) ||
3782 !(f->states & (1 << u->state))) {
3783 free(u);
3784 continue;
3785 }
aba5acdf
SH		 3786
3787 if (!newformat) {
ec4d0d8a 3788 u->rport = 0;
aba5acdf
SH		 3789 u->rq = 0;
3790 u->wq = 0;
3791 }
3792
2d0e538f
PS		 3793 if (name[0]) {
3794 u->name = strdup(name);
46131577
PS		 3795 if (!u->name) {
3796 free(u);
2d0e538f 3797 break;
46131577 3798 }
2d0e538f
PS		 3799 }
3800
3801 if (u->rport) {
3802 struct sockstat *p;
3803
3804 for (p = list; p; p = p->next) {
3805 if (u->rport == p->lport)
3806 break;
3807 }
3808 if (!p)
3809 u->peer_name = "?";
3810 else
3811 u->peer_name = p->name ? : "*";
3812 }
3813
3814 if (f->f) {
3815 struct sockstat st = {
3816 .local.family = AF_UNIX,
3817 .remote.family = AF_UNIX,
3818 };
3819
3820 memcpy(st.local.data, &u->name, sizeof(u->name));
ebbb219c
AQ		 3821 /* when parsing the old format rport is set to 0 and
3822 * therefore peer_name remains NULL
3823 */
3824 if (u->peer_name && strcmp(u->peer_name, "*"))
2d0e538f
PS		 3825 memcpy(st.remote.data, &u->peer_name,
3826 sizeof(u->peer_name));
3827 if (run_ssfilter(f->f, &st) == 0) {
3828 free(u->name);
3829 free(u);
3830 continue;
3831 }
3832 }
3833
aba5acdf
SH		 3834 insp = &list;
3835 while (*insp) {
3836 if (u->type < (*insp)->type ||
3837 (u->type == (*insp)->type &&
3838 u->ino < (*insp)->ino))
3839 break;
3840 insp = &(*insp)->next;
3841 }
3842 u->next = *insp;
3843 *insp = u;
3844
aba5acdf 3845 if (++cnt > MAX_UNIX_REMEMBER) {
2d0e538f
PS		 3846 while (list) {
3847 unix_stats_print(list, f);
2d0e538f
PS		 3848 unix_list_drop_first(&list);
3849 }
aba5acdf
SH		 3850 cnt = 0;
3851 }
3852 }
a3fd8e58 3853 fclose(fp);
2d0e538f 3854 while (list) {
bf4ceee6 3855 unix_stats_print(list, f);
2d0e538f 3856 unix_list_drop_first(&list);
aba5acdf
SH		 3857 }
3858
3859 return 0;
3860}
3861
89f634f9 3862static int packet_stats_print(struct sockstat *s, const struct filter *f)
4a0053b6 3863{
b217df10
VK		 3864 const char *addr, *port;
3865 char ll_name[16];
372c30d2 3866
be7e4d20
PS		 3867 s->local.family = s->remote.family = AF_PACKET;
3868
4a0053b6 3869 if (f->f) {
89f634f9 3870 s->local.data[0] = s->prot;
89f634f9 3871 if (run_ssfilter(f->f, s) == 0)
4a0053b6
VK		 3872 return 1;
3873 }
372c30d2 3874
be7e4d20 3875 sock_state_print(s);
372c30d2 3876
b217df10
VK		 3877 if (s->prot == 3)
3878 addr = "*";
3879 else
3880 addr = ll_proto_n2a(htons(s->prot), ll_name, sizeof(ll_name));
3881
3882 if (s->iface == 0)
3883 port = "*";
3884 else
3885 port = xll_index_to_name(s->iface);
372c30d2 3886
b217df10
VK		 3887 sock_addr_print(addr, ":", port, NULL);
3888 sock_addr_print("", "*", "", NULL);
116ac927 3889
5f27ac1d 3890 proc_ctx_print(s);
116ac927 3891
f1b39e1b
VK		 3892 if (show_details)
3893 sock_details_print(s);
3894
4a0053b6
VK		 3895 return 0;
3896}
3897
2631b856
VK		 3898static void packet_show_ring(struct packet_diag_ring *ring)
3899{
90351722
SB		 3900 out("blk_size:%d", ring->pdr_block_size);
3901 out(",blk_nr:%d", ring->pdr_block_nr);
3902 out(",frm_size:%d", ring->pdr_frame_size);
3903 out(",frm_nr:%d", ring->pdr_frame_nr);
3904 out(",tmo:%d", ring->pdr_retire_tmo);
3905 out(",features:0x%x", ring->pdr_features);
2631b856
VK		 3906}
3907
cd554f2c 3908static int packet_show_sock(struct nlmsghdr *nlh, void *arg)
4a0053b6
VK		 3909{
3910 const struct filter *f = arg;
3911 struct packet_diag_msg *r = NLMSG_DATA(nlh);
2631b856
VK		 3912 struct packet_diag_info *pinfo = NULL;
3913 struct packet_diag_ring *ring_rx = NULL, *ring_tx = NULL;
4a0053b6 3914 struct rtattr *tb[PACKET_DIAG_MAX+1];
89f634f9 3915 struct sockstat stat = {};
2631b856
VK		 3916 uint32_t fanout = 0;
3917 bool has_fanout = false;
4a0053b6 3918
acd1e437 3919 parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr *)(r+1),
4a0053b6
VK		 3920 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
3921
3922 /* use /proc/net/packet if all info are not available */
3923 if (!tb[PACKET_DIAG_MEMINFO])
3924 return -1;
3925
2d791bc8
VK		 3926 stat.type = r->pdiag_type;
3927 stat.prot = r->pdiag_num;
3928 stat.ino = r->pdiag_ino;
3929 stat.state = SS_CLOSE;
f1b39e1b 3930 stat.sk = cookie_sk_get(&r->pdiag_cookie[0]);
4a0053b6
VK		 3931
3932 if (tb[PACKET_DIAG_MEMINFO]) {
3933 __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]);
acd1e437 3934
4a0053b6
VK		 3935 stat.rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC];
3936 }
3937
3938 if (tb[PACKET_DIAG_INFO]) {
2631b856 3939 pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]);
2d791bc8 3940 stat.lport = stat.iface = pinfo->pdi_index;
4a0053b6
VK		 3941 }
3942
f1b39e1b 3943 if (tb[PACKET_DIAG_UID])
9f1370c0 3944 stat.uid = rta_getattr_u32(tb[PACKET_DIAG_UID]);
f1b39e1b 3945
2631b856
VK		 3946 if (tb[PACKET_DIAG_RX_RING])
3947 ring_rx = RTA_DATA(tb[PACKET_DIAG_RX_RING]);
3948
3949 if (tb[PACKET_DIAG_TX_RING])
3950 ring_tx = RTA_DATA(tb[PACKET_DIAG_TX_RING]);
3951
3952 if (tb[PACKET_DIAG_FANOUT]) {
3953 has_fanout = true;
9f1370c0 3954 fanout = rta_getattr_u32(tb[PACKET_DIAG_FANOUT]);
2631b856
VK		 3955 }
3956
4a0053b6
VK		 3957 if (packet_stats_print(&stat, f))
3958 return 0;
3959
2631b856
VK		 3960 if (show_details) {
3961 if (pinfo) {
90351722
SB		 3962 out("\n\tver:%d", pinfo->pdi_version);
3963 out(" cpy_thresh:%d", pinfo->pdi_copy_thresh);
3964 out(" flags( ");
2631b856 3965 if (pinfo->pdi_flags & PDI_RUNNING)
90351722 3966 out("running");
2631b856 3967 if (pinfo->pdi_flags & PDI_AUXDATA)
90351722 3968 out(" auxdata");
2631b856 3969 if (pinfo->pdi_flags & PDI_ORIGDEV)
90351722 3970 out(" origdev");
2631b856 3971 if (pinfo->pdi_flags & PDI_VNETHDR)
90351722 3972 out(" vnethdr");
2631b856 3973 if (pinfo->pdi_flags & PDI_LOSS)
90351722 3974 out(" loss");
2631b856 3975 if (!pinfo->pdi_flags)
90351722
SB		 3976 out("0");
3977 out(" )");
2631b856
VK		 3978 }
3979 if (ring_rx) {
90351722 3980 out("\n\tring_rx(");
2631b856 3981 packet_show_ring(ring_rx);
90351722 3982 out(")");
2631b856
VK		 3983 }
3984 if (ring_tx) {
90351722 3985 out("\n\tring_tx(");
2631b856 3986 packet_show_ring(ring_tx);
90351722 3987 out(")");
2631b856
VK		 3988 }
3989 if (has_fanout) {
3990 uint16_t type = (fanout >> 16) & 0xffff;
3991
90351722
SB		 3992 out("\n\tfanout(");
3993 out("id:%d,", fanout & 0xffff);
3994 out("type:");
2631b856
VK		 3995
3996 if (type == 0)
90351722 3997 out("hash");
2631b856 3998 else if (type == 1)
90351722 3999 out("lb");
2631b856 4000 else if (type == 2)
90351722 4001 out("cpu");
2631b856 4002 else if (type == 3)
90351722 4003 out("roll");
2631b856 4004 else if (type == 4)
90351722 4005 out("random");
2631b856 4006 else if (type == 5)
90351722 4007 out("qm");
2631b856 4008 else
90351722 4009 out("0x%x", type);
2631b856 4010
90351722 4011 out(")");
2631b856
VK		 4012 }
4013 }
4014
372c30d2
ND		 4015 if (show_bpf && tb[PACKET_DIAG_FILTER]) {
4016 struct sock_filter *fil =
4017 RTA_DATA(tb[PACKET_DIAG_FILTER]);
4018 int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) /
4019 sizeof(struct sock_filter);
4020
90351722 4021 out("\n\tbpf filter (%d): ", num);
372c30d2 4022 while (num) {
90351722
SB		 4023 out(" 0x%02x %u %u %u,",
4024 fil->code, fil->jt, fil->jf, fil->k);
372c30d2
ND		 4025 num--;
4026 fil++;
4027 }
4028 }
430e05d3
RP		 4029
4030 if (show_mem)
4031 print_skmeminfo(tb, PACKET_DIAG_MEMINFO);
372c30d2
ND		 4032 return 0;
4033}
4034
8a4025f6 4035static int packet_show_netlink(struct filter *f)
372c30d2 4036{
5fb421d4 4037 DIAG_REQUEST(req, struct packet_diag_req r);
372c30d2 4038
372c30d2 4039 req.r.sdiag_family = AF_PACKET;
2631b856
VK		 4040 req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO |
4041 PACKET_SHOW_FILTER | PACKET_SHOW_RING_CFG | PACKET_SHOW_FANOUT;
372c30d2 4042
8a4025f6 4043 return handle_netlink_request(f, &req.nlh, sizeof(req), packet_show_sock);
372c30d2
ND		 4044}
4045
4a0053b6
VK		 4046static int packet_show_line(char *buf, const struct filter *f, int fam)
4047{
4048 unsigned long long sk;
89f634f9 4049 struct sockstat stat = {};
4a0053b6
VK		 4050 int type, prot, iface, state, rq, uid, ino;
4051
4052 sscanf(buf, "%llx %*d %d %x %d %d %u %u %u",
4053 &sk,
4054 &type, &prot, &iface, &state,
4055 &rq, &uid, &ino);
4056
4057 if (stat.type == SOCK_RAW && !(f->dbs&(1<<PACKET_R_DB)))
4058 return 0;
4059 if (stat.type == SOCK_DGRAM && !(f->dbs&(1<<PACKET_DG_DB)))
4060 return 0;
4061
4062 stat.type = type;
4063 stat.prot = prot;
2d791bc8 4064 stat.lport = stat.iface = iface;
4a0053b6
VK		 4065 stat.state = state;
4066 stat.rq = rq;
4067 stat.uid = uid;
4068 stat.ino = ino;
2d791bc8
VK		 4069 stat.state = SS_CLOSE;
4070
4a0053b6
VK		 4071 if (packet_stats_print(&stat, f))
4072 return 0;
4073
4a0053b6
VK		 4074 return 0;
4075}
aba5acdf 4076
d1f28cf1 4077static int packet_show(struct filter *f)
aba5acdf
SH		 4078{
4079 FILE *fp;
b95d28c3 4080 int rc = 0;
3d0b7439 4081
9db7bf15 4082 if (!filter_af_get(f, AF_PACKET) || !(f->states & (1 << SS_CLOSE)))
b9ea445d 4083 return 0;
aba5acdf 4084
4a0053b6
VK		 4085 if (!getenv("PROC_NET_PACKET") && !getenv("PROC_ROOT") &&
4086 packet_show_netlink(f) == 0)
372c30d2
ND		 4087 return 0;
4088
ab01dbbb 4089 if ((fp = net_packet_open()) == NULL)
aba5acdf 4090 return -1;
4a0053b6 4091 if (generic_record_read(fp, packet_show_line, f, AF_PACKET))
b95d28c3 4092 rc = -1;
aba5acdf 4093
b95d28c3
PS		 4094 fclose(fp);
4095 return rc;
aba5acdf
SH		 4096}
4097
5f24ec0e 4098static int netlink_show_one(struct filter *f,
acd1e437
SH		 4099 int prot, int pid, unsigned int groups,
4100 int state, int dst_pid, unsigned int dst_group,
129709ae
AV		 4101 int rq, int wq,
4102 unsigned long long sk, unsigned long long cb)
4103{
301826be
PS		 4104 struct sockstat st = {
4105 .state = SS_CLOSE,
4106 .rq = rq,
4107 .wq = wq,
4108 .local.family = AF_NETLINK,
4109 .remote.family = AF_NETLINK,
4110 };
acd1e437 4111
b217df10
VK		 4112 SPRINT_BUF(prot_buf) = {};
4113 const char *prot_name;
4114 char procname[64] = {};
eef43b50 4115
129709ae 4116 if (f->f) {
055840f2
VK		 4117 st.rport = -1;
4118 st.lport = pid;
4119 st.local.data[0] = prot;
055840f2 4120 if (run_ssfilter(f->f, &st) == 0)
5f24ec0e 4121 return 1;
129709ae
AV		 4122 }
4123
be7e4d20 4124 sock_state_print(&st);
eef43b50 4125
b217df10
VK		 4126 if (resolve_services)
4127 prot_name = nl_proto_n2a(prot, prot_buf, sizeof(prot_buf));
4128 else
4129 prot_name = int_to_str(prot, prot_buf);
eef43b50 4130
129709ae 4131 if (pid == -1) {
b217df10 4132 procname[0] = '*';
129709ae
AV		 4133 } else if (resolve_services) {
4134 int done = 0;
acd1e437 4135
129709ae
AV		 4136 if (!pid) {
4137 done = 1;
da8034a0 4138 strncpy(procname, "kernel", 7);
129709ae 4139 } else if (pid > 0) {
129709ae 4140 FILE *fp;
acd1e437 4141
0ee9052f 4142 snprintf(procname, sizeof(procname), "%s/%d/stat",
129709ae
AV		 4143 getenv("PROC_ROOT") ? : "/proc", pid);
4144 if ((fp = fopen(procname, "r")) != NULL) {
4145 if (fscanf(fp, "%*d (%[^)])", procname) == 1) {
0ee9052f 4146 snprintf(procname+strlen(procname),
4147 sizeof(procname)-strlen(procname),
4148 "/%d", pid);
129709ae
AV		 4149 done = 1;
4150 }
4151 fclose(fp);
4152 }
4153 }
4154 if (!done)
b217df10 4155 int_to_str(pid, procname);
129709ae 4156 } else {
b217df10 4157 int_to_str(pid, procname);
129709ae 4158 }
f271fe01 4159
b217df10
VK		 4160 sock_addr_print(prot_name, ":", procname, NULL);
4161
f271fe01 4162 if (state == NETLINK_CONNECTED) {
b217df10
VK		 4163 char dst_group_buf[30];
4164 char dst_pid_buf[30];
acd1e437 4165
b217df10
VK		 4166 sock_addr_print(int_to_str(dst_group, dst_group_buf), ":",
4167 int_to_str(dst_pid, dst_pid_buf), NULL);
f271fe01 4168 } else {
b217df10 4169 sock_addr_print("", "*", "", NULL);
f271fe01 4170 }
129709ae 4171
116ac927 4172 char *pid_context = NULL;
acd1e437 4173
116ac927
RH		 4174 if (show_proc_ctx) {
4175 /* The pid value will either be:
4176 * 0 if destination kernel - show kernel initial context.
4177 * A valid process pid - use getpidcon.
4178 * A unique value allocated by the kernel or netlink user
4179 * to the process - show context as "not available".
4180 */
4181 if (!pid)
4182 security_get_initial_context("kernel", &pid_context);
4183 else if (pid > 0)
4184 getpidcon(pid, &pid_context);
4185
90351722 4186 out(" proc_ctx=%s", pid_context ? : "unavailable");
22658ff5 4187 free(pid_context);
116ac927
RH		 4188 }
4189
129709ae 4190 if (show_details) {
90351722 4191 out(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups);
129709ae 4192 }
129709ae 4193
5f24ec0e 4194 return 0;
129709ae
AV		 4195}
4196
cd554f2c 4197static int netlink_show_sock(struct nlmsghdr *nlh, void *arg)
ecb928c8 4198{
8a4025f6 4199 struct filter *f = (struct filter *)arg;
ecb928c8
AV		 4200 struct netlink_diag_msg *r = NLMSG_DATA(nlh);
4201 struct rtattr *tb[NETLINK_DIAG_MAX+1];
4202 int rq = 0, wq = 0;
4203 unsigned long groups = 0;
4204
acd1e437 4205 parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr *)(r+1),
ecb928c8
AV		 4206 nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
4207
4208 if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS]))
4209 groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]);
4210
4211 if (tb[NETLINK_DIAG_MEMINFO]) {
4212 const __u32 *skmeminfo;
acd1e437 4213
ecb928c8
AV		 4214 skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]);
4215
4216 rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC];
4217 wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC];
4218 }
4219
5f24ec0e 4220 if (netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups,
ecb928c8 4221 r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group,
5f24ec0e
VK		 4222 rq, wq, 0, 0)) {
4223 return 0;
4224 }
ecb928c8
AV		 4225
4226 if (show_mem) {
90351722 4227 out("\t");
ecb928c8 4228 print_skmeminfo(tb, NETLINK_DIAG_MEMINFO);
ecb928c8
AV		 4229 }
4230
4231 return 0;
4232}
4233
8a4025f6 4234static int netlink_show_netlink(struct filter *f)
ecb928c8 4235{
5fb421d4 4236 DIAG_REQUEST(req, struct netlink_diag_req r);
ecb928c8
AV		 4237
4238 req.r.sdiag_family = AF_NETLINK;
4239 req.r.sdiag_protocol = NDIAG_PROTO_ALL;
4240 req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO;
4241
8a4025f6 4242 return handle_netlink_request(f, &req.nlh, sizeof(req), netlink_show_sock);
ecb928c8
AV		 4243}
4244
d1f28cf1 4245static int netlink_show(struct filter *f)
aba5acdf
SH		 4246{
4247 FILE *fp;
4248 char buf[256];
4249 int prot, pid;
acd1e437 4250 unsigned int groups;
aba5acdf
SH		 4251 int rq, wq, rc;
4252 unsigned long long sk, cb;
4253
9db7bf15 4254 if (!filter_af_get(f, AF_NETLINK) || !(f->states & (1 << SS_CLOSE)))
b9ea445d
VK		 4255 return 0;
4256
129709ae 4257 if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") &&
8a4025f6 4258 netlink_show_netlink(f) == 0)
129709ae
AV		 4259 return 0;
4260
ab01dbbb 4261 if ((fp = net_netlink_open()) == NULL)
aba5acdf 4262 return -1;
61170fd8 4263 if (!fgets(buf, sizeof(buf), fp)) {
d572ed4d
PS		 4264 fclose(fp);
4265 return -1;
4266 }
aba5acdf 4267
61170fd8 4268 while (fgets(buf, sizeof(buf), fp)) {
aba5acdf
SH		 4269 sscanf(buf, "%llx %d %d %x %d %d %llx %d",
4270 &sk,
4271 &prot, &pid, &groups, &rq, &wq, &cb, &rc);
4272
f271fe01 4273 netlink_show_one(f, prot, pid, groups, 0, 0, 0, rq, wq, sk, cb);
aba5acdf
SH		 4274 }
4275
b95d28c3 4276 fclose(fp);
aba5acdf
SH		 4277 return 0;
4278}
4279
c759116a
SH		 4280static bool vsock_type_skip(struct sockstat *s, struct filter *f)
4281{
4282 if (s->type == SOCK_STREAM && !(f->dbs & (1 << VSOCK_ST_DB)))
4283 return true;
4284 if (s->type == SOCK_DGRAM && !(f->dbs & (1 << VSOCK_DG_DB)))
4285 return true;
4286 return false;
4287}
4288
4289static void vsock_addr_print(inet_prefix *a, __u32 port)
4290{
4291 char cid_str[sizeof("4294967295")];
4292 char port_str[sizeof("4294967295")];
4293 __u32 cid;
4294
4295 memcpy(&cid, a->data, sizeof(cid));
4296
4297 if (cid == ~(__u32)0)
4298 snprintf(cid_str, sizeof(cid_str), "*");
4299 else
4300 snprintf(cid_str, sizeof(cid_str), "%u", cid);
4301
4302 if (port == ~(__u32)0)
4303 snprintf(port_str, sizeof(port_str), "*");
4304 else
4305 snprintf(port_str, sizeof(port_str), "%u", port);
4306
4307 sock_addr_print(cid_str, ":", port_str, NULL);
4308}
4309
4310static void vsock_stats_print(struct sockstat *s, struct filter *f)
4311{
4312 sock_state_print(s);
4313
4314 vsock_addr_print(&s->local, s->lport);
4315 vsock_addr_print(&s->remote, s->rport);
4316
4317 proc_ctx_print(s);
c759116a
SH		 4318}
4319
cd554f2c 4320static int vsock_show_sock(struct nlmsghdr *nlh, void *arg)
c759116a
SH		 4321{
4322 struct filter *f = (struct filter *)arg;
4323 struct vsock_diag_msg *r = NLMSG_DATA(nlh);
4324 struct sockstat stat = {
4325 .type = r->vdiag_type,
4326 .lport = r->vdiag_src_port,
4327 .rport = r->vdiag_dst_port,
4328 .state = r->vdiag_state,
4329 .ino = r->vdiag_ino,
4330 };
4331
4332 vsock_set_inet_prefix(&stat.local, r->vdiag_src_cid);
4333 vsock_set_inet_prefix(&stat.remote, r->vdiag_dst_cid);
4334
4335 if (vsock_type_skip(&stat, f))
4336 return 0;
4337
4338 if (f->f && run_ssfilter(f->f, &stat) == 0)
4339 return 0;
4340
4341 vsock_stats_print(&stat, f);
4342
4343 return 0;
4344}
4345
4346static int vsock_show(struct filter *f)
4347{
4348 DIAG_REQUEST(req, struct vsock_diag_req r);
4349
4350 if (!filter_af_get(f, AF_VSOCK))
4351 return 0;
4352
4353 req.r.sdiag_family = AF_VSOCK;
4354 req.r.vdiag_states = f->states;
4355
4356 return handle_netlink_request(f, &req.nlh, sizeof(req), vsock_show_sock);
4357}
4358
5caf79a0
GM		 4359static void tipc_sock_addr_print(struct rtattr *net_addr, struct rtattr *id)
4360{
4361 uint32_t node = rta_getattr_u32(net_addr);
4362 uint32_t identity = rta_getattr_u32(id);
4363
4364 SPRINT_BUF(addr) = {};
4365 SPRINT_BUF(port) = {};
4366
4367 sprintf(addr, "%u", node);
4368 sprintf(port, "%u", identity);
4369 sock_addr_print(addr, ":", port, NULL);
4370
4371}
4372
cd554f2c 4373static int tipc_show_sock(struct nlmsghdr *nlh, void *arg)
5caf79a0
GM		 4374{
4375 struct rtattr *stat[TIPC_NLA_SOCK_STAT_MAX + 1] = {};
4376 struct rtattr *attrs[TIPC_NLA_SOCK_MAX + 1] = {};
4377 struct rtattr *con[TIPC_NLA_CON_MAX + 1] = {};
4378 struct rtattr *info[TIPC_NLA_MAX + 1] = {};
4379 struct rtattr *msg_ref;
4380 struct sockstat ss = {};
4381
4382 parse_rtattr(info, TIPC_NLA_MAX, NLMSG_DATA(nlh),
4383 NLMSG_PAYLOAD(nlh, 0));
4384
4385 if (!info[TIPC_NLA_SOCK])
4386 return 0;
4387
4388 msg_ref = info[TIPC_NLA_SOCK];
4389 parse_rtattr(attrs, TIPC_NLA_SOCK_MAX, RTA_DATA(msg_ref),
4390 RTA_PAYLOAD(msg_ref));
4391
4392 msg_ref = attrs[TIPC_NLA_SOCK_STAT];
4393 parse_rtattr(stat, TIPC_NLA_SOCK_STAT_MAX,
4394 RTA_DATA(msg_ref), RTA_PAYLOAD(msg_ref));
4395
4396
4397 ss.local.family = AF_TIPC;
4398 ss.type = rta_getattr_u32(attrs[TIPC_NLA_SOCK_TYPE]);
4399 ss.state = rta_getattr_u32(attrs[TIPC_NLA_SOCK_TIPC_STATE]);
4400 ss.uid = rta_getattr_u32(attrs[TIPC_NLA_SOCK_UID]);
4401 ss.ino = rta_getattr_u32(attrs[TIPC_NLA_SOCK_INO]);
4402 ss.rq = rta_getattr_u32(stat[TIPC_NLA_SOCK_STAT_RCVQ]);
4403 ss.wq = rta_getattr_u32(stat[TIPC_NLA_SOCK_STAT_SENDQ]);
4404 ss.sk = rta_getattr_u64(attrs[TIPC_NLA_SOCK_COOKIE]);
4405
4406 sock_state_print (&ss);
4407
4408 tipc_sock_addr_print(attrs[TIPC_NLA_SOCK_ADDR],
4409 attrs[TIPC_NLA_SOCK_REF]);
4410
4411 msg_ref = attrs[TIPC_NLA_SOCK_CON];
4412 if (msg_ref) {
4413 parse_rtattr(con, TIPC_NLA_CON_MAX,
4414 RTA_DATA(msg_ref), RTA_PAYLOAD(msg_ref));
4415
4416 tipc_sock_addr_print(con[TIPC_NLA_CON_NODE],
4417 con[TIPC_NLA_CON_SOCK]);
4418 } else
4419 sock_addr_print("", "-", "", NULL);
4420
4421 if (show_details)
4422 sock_details_print(&ss);
4423
4424 proc_ctx_print(&ss);
4425
4426 if (show_tipcinfo) {
4427 out("\n type:%s", stype_nameg[ss.type]);
4428 out(" cong:%s ",
4429 stat[TIPC_NLA_SOCK_STAT_LINK_CONG] ? "link" :
4430 stat[TIPC_NLA_SOCK_STAT_CONN_CONG] ? "conn" : "none");
4431 out(" drop:%d ",
4432 rta_getattr_u32(stat[TIPC_NLA_SOCK_STAT_DROP]));
4433
4434 if (attrs[TIPC_NLA_SOCK_HAS_PUBL])
4435 out(" publ");
4436
4437 if (con[TIPC_NLA_CON_FLAG])
4438 out(" via {%u,%u} ",
4439 rta_getattr_u32(con[TIPC_NLA_CON_TYPE]),
4440 rta_getattr_u32(con[TIPC_NLA_CON_INST]));
4441 }
4442
4443 return 0;
4444}
4445
4446static int tipc_show(struct filter *f)
4447{
4448 DIAG_REQUEST(req, struct tipc_sock_diag_req r);
4449
4450 memset(&req.r, 0, sizeof(req.r));
4451 req.r.sdiag_family = AF_TIPC;
4452 req.r.tidiag_states = f->states;
4453
4454 return handle_netlink_request(f, &req.nlh, sizeof(req), tipc_show_sock);
4455}
4456
6885e3bf
CG		 4457struct sock_diag_msg {
4458 __u8 sdiag_family;
4459};
4460
cd554f2c 4461static int generic_show_sock(struct nlmsghdr *nlh, void *arg)
6885e3bf
CG		 4462{
4463 struct sock_diag_msg *r = NLMSG_DATA(nlh);
4464 struct inet_diag_arg inet_arg = { .f = arg, .protocol = IPPROTO_MAX };
32ea3d54 4465 int ret;
6885e3bf
CG		 4466
4467 switch (r->sdiag_family) {
4468 case AF_INET:
4469 case AF_INET6:
97352f1b 4470 inet_arg.rth = inet_arg.f->rth_for_killing;
cd554f2c 4471 ret = show_one_inet_sock(nlh, &inet_arg);
32ea3d54 4472 break;
6885e3bf 4473 case AF_UNIX:
cd554f2c 4474 ret = unix_show_sock(nlh, arg);
32ea3d54 4475 break;
6885e3bf 4476 case AF_PACKET:
cd554f2c 4477 ret = packet_show_sock(nlh, arg);
32ea3d54 4478 break;
6885e3bf 4479 case AF_NETLINK:
cd554f2c 4480 ret = netlink_show_sock(nlh, arg);
32ea3d54 4481 break;
c759116a 4482 case AF_VSOCK:
cd554f2c 4483 ret = vsock_show_sock(nlh, arg);
32ea3d54 4484 break;
6885e3bf 4485 default:
32ea3d54 4486 ret = -1;
6885e3bf 4487 }
32ea3d54
SB		 4488
4489 render();
4490
4491 return ret;
6885e3bf
CG		 4492}
4493
4494static int handle_follow_request(struct filter *f)
4495{
6b224dad 4496 int ret = 0;
6885e3bf 4497 int groups = 0;
97352f1b 4498 struct rtnl_handle rth, rth2;
6885e3bf 4499
b338a3e7 4500 if (f->families & FAMILY_MASK(AF_INET) && f->dbs & (1 << TCP_DB))
6885e3bf 4501 groups |= 1 << (SKNLGRP_INET_TCP_DESTROY - 1);
b338a3e7 4502 if (f->families & FAMILY_MASK(AF_INET) && f->dbs & (1 << UDP_DB))
6885e3bf 4503 groups |= 1 << (SKNLGRP_INET_UDP_DESTROY - 1);
b338a3e7 4504 if (f->families & FAMILY_MASK(AF_INET6) && f->dbs & (1 << TCP_DB))
6885e3bf 4505 groups |= 1 << (SKNLGRP_INET6_TCP_DESTROY - 1);
b338a3e7 4506 if (f->families & FAMILY_MASK(AF_INET6) && f->dbs & (1 << UDP_DB))
6885e3bf
CG		 4507 groups |= 1 << (SKNLGRP_INET6_UDP_DESTROY - 1);
4508
4509 if (groups == 0)
4510 return -1;
4511
4512 if (rtnl_open_byproto(&rth, groups, NETLINK_SOCK_DIAG))
4513 return -1;
4514
4515 rth.dump = 0;
4516 rth.local.nl_pid = 0;
4517
97352f1b
MY		 4518 if (f->kill) {
4519 if (rtnl_open_byproto(&rth2, groups, NETLINK_SOCK_DIAG)) {
4520 rtnl_close(&rth);
4521 return -1;
4522 }
4523 f->rth_for_killing = &rth2;
4524 }
4525
6885e3bf 4526 if (rtnl_dump_filter(&rth, generic_show_sock, f))
6b224dad 4527 ret = -1;
6885e3bf 4528
6885e3bf 4529 rtnl_close(&rth);
97352f1b
MY		 4530 if (f->rth_for_killing)
4531 rtnl_close(f->rth_for_killing);
6885e3bf
CG		 4532 return ret;
4533}
4534
d1f28cf1 4535static int get_snmp_int(char *proto, char *key, int *result)
aba5acdf
SH		 4536{
4537 char buf[1024];
4538 FILE *fp;
4539 int protolen = strlen(proto);
4540 int keylen = strlen(key);
4541
4542 *result = 0;
4543
ab01dbbb 4544 if ((fp = net_snmp_open()) == NULL)
aba5acdf
SH		 4545 return -1;
4546
4547 while (fgets(buf, sizeof(buf), fp) != NULL) {
4548 char *p = buf;
4549 int pos = 0;
acd1e437 4550
aba5acdf
SH		 4551 if (memcmp(buf, proto, protolen))
4552 continue;
4553 while ((p = strchr(p, ' ')) != NULL) {
4554 pos++;
4555 p++;
4556 if (memcmp(p, key, keylen) == 0 &&
4557 (p[keylen] == ' ' || p[keylen] == '\n'))
4558 break;
4559 }
4560 if (fgets(buf, sizeof(buf), fp) == NULL)
4561 break;
4562 if (memcmp(buf, proto, protolen))
4563 break;
4564 p = buf;
4565 while ((p = strchr(p, ' ')) != NULL) {
4566 p++;
4567 if (--pos == 0) {
4568 sscanf(p, "%d", result);
4569 fclose(fp);
4570 return 0;
4571 }
4572 }
4573 }
4574
4575 fclose(fp);
4576 errno = ESRCH;
4577 return -1;
4578}
4579
4580
4581/* Get stats from sockstat */
4582
acd1e437 4583struct ssummary {
aba5acdf
SH		 4584 int socks;
4585 int tcp_mem;
4586 int tcp_total;
4587 int tcp_orphans;
4588 int tcp_tws;
4589 int tcp4_hashed;
4590 int udp4;
4591 int raw4;
4592 int frag4;
4593 int frag4_mem;
4594 int tcp6_hashed;
4595 int udp6;
4596 int raw6;
4597 int frag6;
4598 int frag6_mem;
4599};
4600
055840f2 4601static void get_sockstat_line(char *line, struct ssummary *s)
aba5acdf
SH		 4602{
4603 char id[256], rem[256];
4604
4605 if (sscanf(line, "%[^ ] %[^\n]\n", id, rem) != 2)
4606 return;
4607
4608 if (strcmp(id, "sockets:") == 0)
4609 sscanf(rem, "%*s%d", &s->socks);
4610 else if (strcmp(id, "UDP:") == 0)
4611 sscanf(rem, "%*s%d", &s->udp4);
4612 else if (strcmp(id, "UDP6:") == 0)
4613 sscanf(rem, "%*s%d", &s->udp6);
4614 else if (strcmp(id, "RAW:") == 0)
4615 sscanf(rem, "%*s%d", &s->raw4);
4616 else if (strcmp(id, "RAW6:") == 0)
4617 sscanf(rem, "%*s%d", &s->raw6);
4618 else if (strcmp(id, "TCP6:") == 0)
4619 sscanf(rem, "%*s%d", &s->tcp6_hashed);
4620 else if (strcmp(id, "FRAG:") == 0)
4621 sscanf(rem, "%*s%d%*s%d", &s->frag4, &s->frag4_mem);
4622 else if (strcmp(id, "FRAG6:") == 0)
4623 sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem);
4624 else if (strcmp(id, "TCP:") == 0)
4625 sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d",
4626 &s->tcp4_hashed,
4627 &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem);
4628}
4629
055840f2 4630static int get_sockstat(struct ssummary *s)
aba5acdf
SH		 4631{
4632 char buf[256];
4633 FILE *fp;
4634
4635 memset(s, 0, sizeof(*s));
4636
ab01dbbb 4637 if ((fp = net_sockstat_open()) == NULL)
aba5acdf 4638 return -1;
acd1e437 4639 while (fgets(buf, sizeof(buf), fp) != NULL)
aba5acdf
SH		 4640 get_sockstat_line(buf, s);
4641 fclose(fp);
4642
ab01dbbb 4643 if ((fp = net_sockstat6_open()) == NULL)
aba5acdf 4644 return 0;
acd1e437 4645 while (fgets(buf, sizeof(buf), fp) != NULL)
aba5acdf
SH		 4646 get_sockstat_line(buf, s);
4647 fclose(fp);
4648
4649 return 0;
4650}
4651
d1f28cf1 4652static int print_summary(void)
aba5acdf 4653{
055840f2 4654 struct ssummary s;
2f938ce1 4655 int tcp_estab;
aba5acdf
SH		 4656
4657 if (get_sockstat(&s) < 0)
4658 perror("ss: get_sockstat");
2f938ce1 4659 if (get_snmp_int("Tcp:", "CurrEstab", &tcp_estab) < 0)
aba5acdf
SH		 4660 perror("ss: get_snmpstat");
4661
10f68773 4662 printf("Total: %d\n", s.socks);
aba5acdf 4663
10f68773
SH		 4664 printf("TCP: %d (estab %d, closed %d, orphaned %d, timewait %d)\n",
4665 s.tcp_total + s.tcp_tws, tcp_estab,
4666 s.tcp_total - (s.tcp4_hashed + s.tcp6_hashed - s.tcp_tws),
4667 s.tcp_orphans, s.tcp_tws);
aba5acdf
SH		 4668
4669 printf("\n");
4670 printf("Transport Total IP IPv6\n");
aba5acdf
SH		 4671 printf("RAW %-9d %-9d %-9d\n", s.raw4+s.raw6, s.raw4, s.raw6);
4672 printf("UDP %-9d %-9d %-9d\n", s.udp4+s.udp6, s.udp4, s.udp6);
4673 printf("TCP %-9d %-9d %-9d\n", s.tcp4_hashed+s.tcp6_hashed, s.tcp4_hashed, s.tcp6_hashed);
ae665a52 4674 printf("INET %-9d %-9d %-9d\n",
aba5acdf
SH		 4675 s.raw4+s.udp4+s.tcp4_hashed+
4676 s.raw6+s.udp6+s.tcp6_hashed,
4677 s.raw4+s.udp4+s.tcp4_hashed,
4678 s.raw6+s.udp6+s.tcp6_hashed);
4679 printf("FRAG %-9d %-9d %-9d\n", s.frag4+s.frag6, s.frag4, s.frag6);
4680
4681 printf("\n");
4682
4683 return 0;
4684}
4685
7a96e199 4686static void _usage(FILE *dest)
aba5acdf 4687{
7a96e199 4688 fprintf(dest,
aba5acdf
SH		 4689"Usage: ss [ OPTIONS ]\n"
4690" ss [ OPTIONS ] [ FILTER ]\n"
ff041f16
VK		 4691" -h, --help this message\n"
4692" -V, --version output version information\n"
4693" -n, --numeric don't resolve service names\n"
ab61159a 4694" -r, --resolve resolve host names\n"
ff041f16
VK		 4695" -a, --all display all sockets\n"
4696" -l, --listening display listening sockets\n"
ab61159a
SH		 4697" -o, --options show timer information\n"
4698" -e, --extended show detailed socket information\n"
4699" -m, --memory show socket memory usage\n"
ff041f16
VK		 4700" -p, --processes show process using socket\n"
4701" -i, --info show internal TCP information\n"
5caf79a0 4702" --tipcinfo show internal tipc socket information\n"
ff041f16 4703" -s, --summary show socket usage summary\n"
0f3f0ca3 4704" --tos show tos and priority information\n"
b0f01cf6 4705" -b, --bpf show bpf filter socket information\n"
6885e3bf 4706" -E, --events continually display sockets as they are destroyed\n"
ff041f16
VK		 4707" -Z, --context display process SELinux security contexts\n"
4708" -z, --contexts display process and socket SELinux security contexts\n"
95ce04bc 4709" -N, --net switch to the specified network namespace name\n"
ab61159a
SH		 4710"\n"
4711" -4, --ipv4 display only IP version 4 sockets\n"
4712" -6, --ipv6 display only IP version 6 sockets\n"
ff041f16
VK		 4713" -0, --packet display PACKET sockets\n"
4714" -t, --tcp display only TCP sockets\n"
f89d46ad 4715" -S, --sctp display only SCTP sockets\n"
ff041f16
VK		 4716" -u, --udp display only UDP sockets\n"
4717" -d, --dccp display only DCCP sockets\n"
4718" -w, --raw display only RAW sockets\n"
4719" -x, --unix display only Unix domain sockets\n"
5caf79a0 4720" --tipc display only TIPC sockets\n"
c759116a 4721" --vsock display only vsock sockets\n"
ab61159a 4722" -f, --family=FAMILY display sockets of type FAMILY\n"
5caf79a0 4723" FAMILY := {inet|inet6|link|unix|netlink|vsock|tipc|help}\n"
ab61159a 4724"\n"
fb2594c1 4725" -K, --kill forcibly close sockets, display what was closed\n"
7a4559f6 4726" -H, --no-header Suppress header line\n"
fb2594c1 4727"\n"
583de149 4728" -A, --query=QUERY, --socket=QUERY\n"
5caf79a0 4729" QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram|tipc}[,QUERY]\n"
ab61159a 4730"\n"
583de149 4731" -D, --diag=FILE Dump raw information about TCP sockets to FILE\n"
ab61159a 4732" -F, --filter=FILE read filter information from FILE\n"
ff041f16
VK		 4733" FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n"
4734" STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n"
ae4e21c9 4735" TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listening|closing}\n"
ff041f16
VK		 4736" connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n"
4737" synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n"
4738" bucket := {syn-recv|time-wait}\n"
ae4e21c9 4739" big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listening|closing}\n"
ab61159a 4740 );
7a96e199
AH		 4741}
4742
4743static void help(void) __attribute__((noreturn));
4744static void help(void)
4745{
4746 _usage(stdout);
4747 exit(0);
4748}
4749
4750static void usage(void) __attribute__((noreturn));
4751static void usage(void)
4752{
4753 _usage(stderr);
aba5acdf
SH		 4754 exit(-1);
4755}
4756
4757
d1f28cf1 4758static int scan_state(const char *state)
aba5acdf 4759{
b710a722
PS		 4760 static const char * const sstate_namel[] = {
4761 "UNKNOWN",
4762 [SS_ESTABLISHED] = "established",
4763 [SS_SYN_SENT] = "syn-sent",
4764 [SS_SYN_RECV] = "syn-recv",
4765 [SS_FIN_WAIT1] = "fin-wait-1",
4766 [SS_FIN_WAIT2] = "fin-wait-2",
4767 [SS_TIME_WAIT] = "time-wait",
4768 [SS_CLOSE] = "unconnected",
4769 [SS_CLOSE_WAIT] = "close-wait",
4770 [SS_LAST_ACK] = "last-ack",
4771 [SS_LISTEN] = "listening",
4772 [SS_CLOSING] = "closing",
4773 };
aba5acdf 4774 int i;
acd1e437 4775
aba5acdf
SH		 4776 if (strcasecmp(state, "close") == 0 ||
4777 strcasecmp(state, "closed") == 0)
4778 return (1<<SS_CLOSE);
4779 if (strcasecmp(state, "syn-rcv") == 0)
4780 return (1<<SS_SYN_RECV);
1a5bad5a 4781 if (strcasecmp(state, "established") == 0)
aba5acdf
SH		 4782 return (1<<SS_ESTABLISHED);
4783 if (strcasecmp(state, "all") == 0)
4784 return SS_ALL;
4785 if (strcasecmp(state, "connected") == 0)
4786 return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN));
1a5bad5a 4787 if (strcasecmp(state, "synchronized") == 0)
aba5acdf
SH		 4788 return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)|(1<<SS_SYN_SENT));
4789 if (strcasecmp(state, "bucket") == 0)
4790 return (1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT);
4791 if (strcasecmp(state, "big") == 0)
4792 return SS_ALL & ~((1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT));
acd1e437 4793 for (i = 0; i < SS_MAX; i++) {
1a5bad5a 4794 if (strcasecmp(state, sstate_namel[i]) == 0)
aba5acdf
SH		 4795 return (1<<i);
4796 }
9db7bf15
VK		 4797
4798 fprintf(stderr, "ss: wrong state name: %s\n", state);
4799 exit(-1);
aba5acdf
SH		 4800}
4801
c759116a
SH		 4802/* Values 'v' and 'V' are already used so a non-character is used */
4803#define OPT_VSOCK 256
4804
5caf79a0
GM		 4805/* Values of 't' are already used so a non-character is used */
4806#define OPT_TIPCSOCK 257
4807#define OPT_TIPCINFO 258
4808
0f3f0ca3
KK		 4809#define OPT_TOS 259
4810
ab61159a
SH		 4811static const struct option long_opts[] = {
4812 { "numeric", 0, 0, 'n' },
4813 { "resolve", 0, 0, 'r' },
4814 { "options", 0, 0, 'o' },
4815 { "extended", 0, 0, 'e' },
4816 { "memory", 0, 0, 'm' },
4817 { "info", 0, 0, 'i' },
4818 { "processes", 0, 0, 'p' },
372c30d2 4819 { "bpf", 0, 0, 'b' },
6885e3bf 4820 { "events", 0, 0, 'E' },
351efcde 4821 { "dccp", 0, 0, 'd' },
ab61159a 4822 { "tcp", 0, 0, 't' },
f89d46ad 4823 { "sctp", 0, 0, 'S' },
ab61159a
SH		 4824 { "udp", 0, 0, 'u' },
4825 { "raw", 0, 0, 'w' },
4826 { "unix", 0, 0, 'x' },
5caf79a0 4827 { "tipc", 0, 0, OPT_TIPCSOCK},
c759116a 4828 { "vsock", 0, 0, OPT_VSOCK },
ab61159a
SH		 4829 { "all", 0, 0, 'a' },
4830 { "listening", 0, 0, 'l' },
4831 { "ipv4", 0, 0, '4' },
4832 { "ipv6", 0, 0, '6' },
4833 { "packet", 0, 0, '0' },
4834 { "family", 1, 0, 'f' },
4835 { "socket", 1, 0, 'A' },
583de149 4836 { "query", 1, 0, 'A' },
c3f346b0 4837 { "summary", 0, 0, 's' },
583de149 4838 { "diag", 1, 0, 'D' },
ab61159a
SH		 4839 { "filter", 1, 0, 'F' },
4840 { "version", 0, 0, 'V' },
4841 { "help", 0, 0, 'h' },
116ac927
RH		 4842 { "context", 0, 0, 'Z' },
4843 { "contexts", 0, 0, 'z' },
95ce04bc 4844 { "net", 1, 0, 'N' },
5caf79a0 4845 { "tipcinfo", 0, 0, OPT_TIPCINFO},
0f3f0ca3 4846 { "tos", 0, 0, OPT_TOS },
fb2594c1 4847 { "kill", 0, 0, 'K' },
7a4559f6 4848 { "no-header", 0, 0, 'H' },
ab61159a 4849 { 0 }
ae665a52 4850
ab61159a
SH		 4851};
4852
aba5acdf
SH		 4853int main(int argc, char *argv[])
4854{
aba5acdf
SH		 4855 int saw_states = 0;
4856 int saw_query = 0;
4857 int do_summary = 0;
7d105b56 4858 const char *dump_tcpdiag = NULL;
aba5acdf
SH		 4859 FILE *filter_fp = NULL;
4860 int ch;
9db7bf15 4861 int state_filter = 0;
aba5acdf 4862
168d97f9
SH		 4863 while ((ch = getopt_long(argc, argv,
4864 "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KHS",
ab61159a 4865 long_opts, NULL)) != EOF) {
acd1e437 4866 switch (ch) {
aba5acdf
SH		 4867 case 'n':
4868 resolve_services = 0;
4869 break;
4870 case 'r':
4871 resolve_hosts = 1;
4872 break;
4873 case 'o':
4874 show_options = 1;
4875 break;
4876 case 'e':
4877 show_options = 1;
4878 show_details++;
4879 break;
4880 case 'm':
4881 show_mem = 1;
4882 break;
4883 case 'i':
4884 show_tcpinfo = 1;
4885 break;
4886 case 'p':
4887 show_users++;
fbc0f876 4888 user_ent_hash_build();
aba5acdf 4889 break;
372c30d2
ND		 4890 case 'b':
4891 show_options = 1;
4892 show_bpf++;
4893 break;
6885e3bf
CG		 4894 case 'E':
4895 follow_events = 1;
4896 break;
351efcde 4897 case 'd':
c121111e 4898 filter_db_set(&current_filter, DCCP_DB, true);
351efcde 4899 break;
aba5acdf 4900 case 't':
c121111e 4901 filter_db_set(&current_filter, TCP_DB, true);
aba5acdf 4902 break;
f89d46ad 4903 case 'S':
c121111e 4904 filter_db_set(&current_filter, SCTP_DB, true);
f89d46ad 4905 break;
aba5acdf 4906 case 'u':
c121111e 4907 filter_db_set(&current_filter, UDP_DB, true);
aba5acdf
SH		 4908 break;
4909 case 'w':
c121111e 4910 filter_db_set(&current_filter, RAW_DB, true);
aba5acdf
SH		 4911 break;
4912 case 'x':
9db7bf15 4913 filter_af_set(&current_filter, AF_UNIX);
aba5acdf 4914 break;
c759116a
SH		 4915 case OPT_VSOCK:
4916 filter_af_set(&current_filter, AF_VSOCK);
4917 break;
5caf79a0
GM		 4918 case OPT_TIPCSOCK:
4919 filter_af_set(&current_filter, AF_TIPC);
4920 break;
aba5acdf 4921 case 'a':
9db7bf15 4922 state_filter = SS_ALL;
aba5acdf
SH		 4923 break;
4924 case 'l':
9db7bf15 4925 state_filter = (1 << SS_LISTEN) | (1 << SS_CLOSE);
aba5acdf
SH		 4926 break;
4927 case '4':
9db7bf15 4928 filter_af_set(&current_filter, AF_INET);
aba5acdf
SH		 4929 break;
4930 case '6':
9db7bf15 4931 filter_af_set(&current_filter, AF_INET6);
aba5acdf
SH		 4932 break;
4933 case '0':
9db7bf15 4934 filter_af_set(&current_filter, AF_PACKET);
aba5acdf
SH		 4935 break;
4936 case 'f':
4937 if (strcmp(optarg, "inet") == 0)
9db7bf15 4938 filter_af_set(&current_filter, AF_INET);
aba5acdf 4939 else if (strcmp(optarg, "inet6") == 0)
9db7bf15 4940 filter_af_set(&current_filter, AF_INET6);
aba5acdf 4941 else if (strcmp(optarg, "link") == 0)
9db7bf15 4942 filter_af_set(&current_filter, AF_PACKET);
aba5acdf 4943 else if (strcmp(optarg, "unix") == 0)
9db7bf15 4944 filter_af_set(&current_filter, AF_UNIX);
aba5acdf 4945 else if (strcmp(optarg, "netlink") == 0)
9db7bf15 4946 filter_af_set(&current_filter, AF_NETLINK);
5caf79a0
GM		 4947 else if (strcmp(optarg, "tipc") == 0)
4948 filter_af_set(&current_filter, AF_TIPC);
c759116a
SH		 4949 else if (strcmp(optarg, "vsock") == 0)
4950 filter_af_set(&current_filter, AF_VSOCK);
aba5acdf 4951 else if (strcmp(optarg, "help") == 0)
7a96e199 4952 help();
aba5acdf 4953 else {
9db7bf15
VK		 4954 fprintf(stderr, "ss: \"%s\" is invalid family\n",
4955 optarg);
aba5acdf
SH		 4956 usage();
4957 }
4958 break;
4959 case 'A':
4960 {
4961 char *p, *p1;
acd1e437 4962
aba5acdf
SH		 4963 if (!saw_query) {
4964 current_filter.dbs = 0;
7f9dddbe 4965 state_filter = state_filter ?
acd1e437 4966 state_filter : SS_CONN;
aba5acdf
SH		 4967 saw_query = 1;
4968 do_default = 0;
4969 }
4970 p = p1 = optarg;
4971 do {
4972 if ((p1 = strchr(p, ',')) != NULL)
ae665a52 4973 *p1 = 0;
67d5fd55 4974 if (filter_db_parse(&current_filter, p)) {
aba5acdf
SH		 4975 fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p);
4976 usage();
4977 }
4978 p = p1 + 1;
4979 } while (p1);
4980 break;
4981 }
4982 case 's':
4983 do_summary = 1;
4984 break;
4985 case 'D':
4986 dump_tcpdiag = optarg;
4987 break;
4988 case 'F':
4989 if (filter_fp) {
4990 fprintf(stderr, "More than one filter file\n");
4991 exit(-1);
4992 }
4993 if (optarg[0] == '-')
4994 filter_fp = stdin;
4995 else
4996 filter_fp = fopen(optarg, "r");
4997 if (!filter_fp) {
4998 perror("fopen filter file");
4999 exit(-1);
5000 }
5001 break;
5002 case 'v':
5003 case 'V':
5004 printf("ss utility, iproute2-ss%s\n", SNAPSHOT);
5005 exit(0);
116ac927
RH		 5006 case 'z':
5007 show_sock_ctx++;
36df1a6e 5008 /* fall through */
116ac927
RH		 5009 case 'Z':
5010 if (is_selinux_enabled() <= 0) {
5011 fprintf(stderr, "ss: SELinux is not enabled.\n");
5012 exit(1);
5013 }
5014 show_proc_ctx++;
5015 user_ent_hash_build();
5016 break;
95ce04bc
VK		 5017 case 'N':
5018 if (netns_switch(optarg))
5019 exit(1);
5020 break;
5caf79a0
GM		 5021 case OPT_TIPCINFO:
5022 show_tipcinfo = 1;
5023 break;
0f3f0ca3
KK		 5024 case OPT_TOS:
5025 show_tos = 1;
5026 break;
fb2594c1
LC		 5027 case 'K':
5028 current_filter.kill = 1;
5029 break;
7a4559f6
DA		 5030 case 'H':
5031 show_header = 0;
5032 break;
aba5acdf 5033 case 'h':
7a96e199 5034 help();
f73105ab 5035 case '?':
aba5acdf
SH		 5036 default:
5037 usage();
5038 }
5039 }
5040
5041 argc -= optind;
5042 argv += optind;
5043
aba5acdf
SH		 5044 if (do_summary) {
5045 print_summary();
5046 if (do_default && argc == 0)
5047 exit(0);
5048 }
5049
aba5acdf
SH		 5050 while (argc > 0) {
5051 if (strcmp(*argv, "state") == 0) {
5052 NEXT_ARG();
5053 if (!saw_states)
9db7bf15
VK		 5054 state_filter = 0;
5055 state_filter |= scan_state(*argv);
aba5acdf
SH		 5056 saw_states = 1;
5057 } else if (strcmp(*argv, "exclude") == 0 ||
5058 strcmp(*argv, "excl") == 0) {
5059 NEXT_ARG();
5060 if (!saw_states)
9db7bf15
VK		 5061 state_filter = SS_ALL;
5062 state_filter &= ~scan_state(*argv);
aba5acdf
SH		 5063 saw_states = 1;
5064 } else {
aba5acdf
SH		 5065 break;
5066 }
5067 argc--; argv++;
5068 }
5069
9db7bf15
VK		 5070 if (do_default) {
5071 state_filter = state_filter ? state_filter : SS_CONN;
3e1652c9 5072 filter_db_parse(&current_filter, "all");
9db7bf15
VK		 5073 }
5074
57ff5a10
VK		 5075 filter_states_set(&current_filter, state_filter);
5076 filter_merge_defaults(&current_filter);
5077
9db7bf15 5078 if (resolve_services && resolve_hosts &&
168d97f9 5079 (current_filter.dbs & (UNIX_DBM|INET_L4_DBM)))
9db7bf15
VK		 5080 init_service_resolver();
5081
9db7bf15
VK		 5082 if (current_filter.dbs == 0) {
5083 fprintf(stderr, "ss: no socket tables to show with such filter.\n");
5084 exit(0);
5085 }
5086 if (current_filter.families == 0) {
5087 fprintf(stderr, "ss: no families to show with such filter.\n");
5088 exit(0);
5089 }
aba5acdf
SH		 5090 if (current_filter.states == 0) {
5091 fprintf(stderr, "ss: no socket states to show with such filter.\n");
5092 exit(0);
5093 }
5094
5095 if (dump_tcpdiag) {
5096 FILE *dump_fp = stdout;
acd1e437 5097
aba5acdf
SH		 5098 if (!(current_filter.dbs & (1<<TCP_DB))) {
5099 fprintf(stderr, "ss: tcpdiag dump requested and no tcp in filter.\n");
5100 exit(0);
5101 }
5102 if (dump_tcpdiag[0] != '-') {
5103 dump_fp = fopen(dump_tcpdiag, "w");
5104 if (!dump_tcpdiag) {
5105 perror("fopen dump file");
5106 exit(-1);
5107 }
5108 }
3fe5b534 5109 inet_show_netlink(&current_filter, dump_fp, IPPROTO_TCP);
aba5acdf
SH		 5110 fflush(dump_fp);
5111 exit(0);
5112 }
5113
1527a17e
VK		 5114 if (ssfilter_parse(&current_filter.f, argc, argv, filter_fp))
5115 usage();
5116
87b1a7ae
SB		 5117 if (!(current_filter.dbs & (current_filter.dbs - 1)))
5118 columns[COL_NETID].disabled = 1;
59f46b7b 5119
87b1a7ae
SB		 5120 if (!(current_filter.states & (current_filter.states - 1)))
5121 columns[COL_STATE].disabled = 1;
aba5acdf 5122
59f46b7b
SB		 5123 if (show_header)
5124 print_header();
aba5acdf 5125
aba5acdf
SH		 5126 fflush(stdout);
5127
6885e3bf
CG		 5128 if (follow_events)
5129 exit(handle_follow_request(&current_filter));
5130
aba5acdf
SH		 5131 if (current_filter.dbs & (1<<NETLINK_DB))
5132 netlink_show(&current_filter);
5133 if (current_filter.dbs & PACKET_DBM)
5134 packet_show(&current_filter);
5135 if (current_filter.dbs & UNIX_DBM)
5136 unix_show(&current_filter);
5137 if (current_filter.dbs & (1<<RAW_DB))
5138 raw_show(&current_filter);
5139 if (current_filter.dbs & (1<<UDP_DB))
5140 udp_show(&current_filter);
5141 if (current_filter.dbs & (1<<TCP_DB))
6c6bbc30 5142 tcp_show(&current_filter);
351efcde 5143 if (current_filter.dbs & (1<<DCCP_DB))
6c6bbc30 5144 dccp_show(&current_filter);
f89d46ad
PS		 5145 if (current_filter.dbs & (1<<SCTP_DB))
5146 sctp_show(&current_filter);
c759116a
SH		 5147 if (current_filter.dbs & VSOCK_DBM)
5148 vsock_show(&current_filter);
5caf79a0
GM		 5149 if (current_filter.dbs & (1<<TIPC_DB))
5150 tipc_show(&current_filter);
116ac927
RH		 5151
5152 if (show_users || show_proc_ctx || show_sock_ctx)
5153 user_ent_destroy();
5154
32ea3d54 5155 render();
59f46b7b 5156
aba5acdf
SH		 5157 return 0;
5158}
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