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Commit | Line | Data |
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b9de3ecf | 1 | /* |
aba5acdf SH |
2 | * ss.c "sockstat", socket statistics |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
10 | */ | |
11 | ||
12 | #include <stdio.h> | |
13 | #include <stdlib.h> | |
14 | #include <unistd.h> | |
aba5acdf SH |
15 | #include <fcntl.h> |
16 | #include <sys/ioctl.h> | |
17 | #include <sys/socket.h> | |
18 | #include <sys/uio.h> | |
19 | #include <netinet/in.h> | |
20 | #include <string.h> | |
21 | #include <errno.h> | |
22 | #include <netdb.h> | |
23 | #include <arpa/inet.h> | |
aba5acdf SH |
24 | #include <dirent.h> |
25 | #include <fnmatch.h> | |
ab61159a | 26 | #include <getopt.h> |
bf4ceee6 | 27 | #include <stdbool.h> |
6b376ebd | 28 | #include <limits.h> |
90351722 | 29 | #include <stdarg.h> |
aba5acdf SH |
30 | |
31 | #include "utils.h" | |
32 | #include "rt_names.h" | |
33 | #include "ll_map.h" | |
34 | #include "libnetlink.h" | |
95ce04bc | 35 | #include "namespace.h" |
aba5acdf SH |
36 | #include "SNAPSHOT.h" |
37 | ||
9cb1eccf | 38 | #include <linux/tcp.h> |
f6062360 | 39 | #include <linux/sock_diag.h> |
351efcde | 40 | #include <linux/inet_diag.h> |
dfbaa90d | 41 | #include <linux/unix_diag.h> |
372c30d2 ND |
42 | #include <linux/netdevice.h> /* for MAX_ADDR_LEN */ |
43 | #include <linux/filter.h> | |
44 | #include <linux/packet_diag.h> | |
ecb928c8 | 45 | #include <linux/netlink_diag.h> |
f89d46ad | 46 | #include <linux/sctp.h> |
c759116a | 47 | #include <linux/vm_sockets_diag.h> |
aba5acdf | 48 | |
8a4025f6 | 49 | #define MAGIC_SEQ 123456 |
50 | ||
5fb421d4 | 51 | #define DIAG_REQUEST(_req, _r) \ |
52 | struct { \ | |
53 | struct nlmsghdr nlh; \ | |
54 | _r; \ | |
55 | } _req = { \ | |
56 | .nlh = { \ | |
57 | .nlmsg_type = SOCK_DIAG_BY_FAMILY, \ | |
58 | .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\ | |
8a4025f6 | 59 | .nlmsg_seq = MAGIC_SEQ, \ |
5fb421d4 | 60 | .nlmsg_len = sizeof(_req), \ |
61 | }, \ | |
62 | } | |
63 | ||
116ac927 RH |
64 | #if HAVE_SELINUX |
65 | #include <selinux/selinux.h> | |
66 | #else | |
67 | /* Stubs for SELinux functions */ | |
68 | static int is_selinux_enabled(void) | |
69 | { | |
70 | return -1; | |
71 | } | |
72 | ||
73 | static int getpidcon(pid_t pid, char **context) | |
74 | { | |
75 | *context = NULL; | |
76 | return -1; | |
77 | } | |
78 | ||
79 | static int getfilecon(char *path, char **context) | |
80 | { | |
81 | *context = NULL; | |
82 | return -1; | |
83 | } | |
84 | ||
85 | static int security_get_initial_context(char *name, char **context) | |
86 | { | |
87 | *context = NULL; | |
88 | return -1; | |
89 | } | |
90 | #endif | |
91 | ||
aba5acdf SH |
92 | int resolve_services = 1; |
93 | int preferred_family = AF_UNSPEC; | |
acd1e437 SH |
94 | int show_options; |
95 | int show_details; | |
96 | int show_users; | |
97 | int show_mem; | |
98 | int show_tcpinfo; | |
99 | int show_bpf; | |
100 | int show_proc_ctx; | |
101 | int show_sock_ctx; | |
7a4559f6 | 102 | int show_header = 1; |
acd1e437 | 103 | int follow_events; |
f89d46ad | 104 | int sctp_ino; |
aba5acdf SH |
105 | |
106 | int netid_width; | |
107 | int state_width; | |
aba5acdf SH |
108 | int addr_width; |
109 | int serv_width; | |
4357f5c3 | 110 | char *odd_width_pad = ""; |
aba5acdf SH |
111 | |
112 | static const char *TCP_PROTO = "tcp"; | |
f89d46ad | 113 | static const char *SCTP_PROTO = "sctp"; |
aba5acdf SH |
114 | static const char *UDP_PROTO = "udp"; |
115 | static const char *RAW_PROTO = "raw"; | |
acd1e437 | 116 | static const char *dg_proto; |
aba5acdf | 117 | |
acd1e437 | 118 | enum { |
aba5acdf | 119 | TCP_DB, |
351efcde | 120 | DCCP_DB, |
aba5acdf SH |
121 | UDP_DB, |
122 | RAW_DB, | |
123 | UNIX_DG_DB, | |
124 | UNIX_ST_DB, | |
30b669d7 | 125 | UNIX_SQ_DB, |
aba5acdf SH |
126 | PACKET_DG_DB, |
127 | PACKET_R_DB, | |
128 | NETLINK_DB, | |
f89d46ad | 129 | SCTP_DB, |
c759116a SH |
130 | VSOCK_ST_DB, |
131 | VSOCK_DG_DB, | |
aba5acdf SH |
132 | MAX_DB |
133 | }; | |
134 | ||
135 | #define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB)) | |
30b669d7 | 136 | #define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB)) |
aba5acdf | 137 | #define ALL_DB ((1<<MAX_DB)-1) |
168d97f9 SH |
138 | #define INET_L4_DBM ((1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)|(1<<SCTP_DB)) |
139 | #define INET_DBM (INET_L4_DBM | (1<<RAW_DB)) | |
c759116a | 140 | #define VSOCK_DBM ((1<<VSOCK_ST_DB)|(1<<VSOCK_DG_DB)) |
aba5acdf SH |
141 | |
142 | enum { | |
7d105b56 SH |
143 | SS_UNKNOWN, |
144 | SS_ESTABLISHED, | |
145 | SS_SYN_SENT, | |
146 | SS_SYN_RECV, | |
147 | SS_FIN_WAIT1, | |
148 | SS_FIN_WAIT2, | |
149 | SS_TIME_WAIT, | |
150 | SS_CLOSE, | |
151 | SS_CLOSE_WAIT, | |
152 | SS_LAST_ACK, | |
153 | SS_LISTEN, | |
154 | SS_CLOSING, | |
155 | SS_MAX | |
aba5acdf SH |
156 | }; |
157 | ||
f89d46ad PS |
158 | enum { |
159 | SCTP_STATE_CLOSED = 0, | |
160 | SCTP_STATE_COOKIE_WAIT = 1, | |
161 | SCTP_STATE_COOKIE_ECHOED = 2, | |
162 | SCTP_STATE_ESTABLISHED = 3, | |
163 | SCTP_STATE_SHUTDOWN_PENDING = 4, | |
164 | SCTP_STATE_SHUTDOWN_SENT = 5, | |
165 | SCTP_STATE_SHUTDOWN_RECEIVED = 6, | |
166 | SCTP_STATE_SHUTDOWN_ACK_SENT = 7, | |
167 | }; | |
168 | ||
9db7bf15 VK |
169 | #define SS_ALL ((1 << SS_MAX) - 1) |
170 | #define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV))) | |
aba5acdf SH |
171 | |
172 | #include "ssfilter.h" | |
173 | ||
acd1e437 | 174 | struct filter { |
aba5acdf SH |
175 | int dbs; |
176 | int states; | |
b338a3e7 | 177 | uint64_t families; |
aba5acdf | 178 | struct ssfilter *f; |
fb2594c1 | 179 | bool kill; |
aba5acdf SH |
180 | }; |
181 | ||
b338a3e7 SH |
182 | #define FAMILY_MASK(family) ((uint64_t)1 << (family)) |
183 | ||
9db7bf15 VK |
184 | static const struct filter default_dbs[MAX_DB] = { |
185 | [TCP_DB] = { | |
186 | .states = SS_CONN, | |
b338a3e7 | 187 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
9db7bf15 VK |
188 | }, |
189 | [DCCP_DB] = { | |
190 | .states = SS_CONN, | |
b338a3e7 | 191 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
9db7bf15 VK |
192 | }, |
193 | [UDP_DB] = { | |
f42a4574 | 194 | .states = (1 << SS_ESTABLISHED), |
b338a3e7 | 195 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
9db7bf15 VK |
196 | }, |
197 | [RAW_DB] = { | |
f42a4574 | 198 | .states = (1 << SS_ESTABLISHED), |
b338a3e7 | 199 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
9db7bf15 VK |
200 | }, |
201 | [UNIX_DG_DB] = { | |
202 | .states = (1 << SS_CLOSE), | |
b338a3e7 | 203 | .families = FAMILY_MASK(AF_UNIX), |
9db7bf15 VK |
204 | }, |
205 | [UNIX_ST_DB] = { | |
206 | .states = SS_CONN, | |
b338a3e7 | 207 | .families = FAMILY_MASK(AF_UNIX), |
9db7bf15 VK |
208 | }, |
209 | [UNIX_SQ_DB] = { | |
210 | .states = SS_CONN, | |
b338a3e7 | 211 | .families = FAMILY_MASK(AF_UNIX), |
9db7bf15 VK |
212 | }, |
213 | [PACKET_DG_DB] = { | |
214 | .states = (1 << SS_CLOSE), | |
b338a3e7 | 215 | .families = FAMILY_MASK(AF_PACKET), |
9db7bf15 VK |
216 | }, |
217 | [PACKET_R_DB] = { | |
218 | .states = (1 << SS_CLOSE), | |
b338a3e7 | 219 | .families = FAMILY_MASK(AF_PACKET), |
9db7bf15 VK |
220 | }, |
221 | [NETLINK_DB] = { | |
222 | .states = (1 << SS_CLOSE), | |
b338a3e7 | 223 | .families = FAMILY_MASK(AF_NETLINK), |
9db7bf15 | 224 | }, |
f89d46ad PS |
225 | [SCTP_DB] = { |
226 | .states = SS_CONN, | |
b338a3e7 | 227 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
f89d46ad | 228 | }, |
c759116a SH |
229 | [VSOCK_ST_DB] = { |
230 | .states = SS_CONN, | |
231 | .families = FAMILY_MASK(AF_VSOCK), | |
232 | }, | |
233 | [VSOCK_DG_DB] = { | |
234 | .states = SS_CONN, | |
235 | .families = FAMILY_MASK(AF_VSOCK), | |
236 | }, | |
aba5acdf SH |
237 | }; |
238 | ||
9db7bf15 VK |
239 | static const struct filter default_afs[AF_MAX] = { |
240 | [AF_INET] = { | |
241 | .dbs = INET_DBM, | |
242 | .states = SS_CONN, | |
243 | }, | |
244 | [AF_INET6] = { | |
245 | .dbs = INET_DBM, | |
246 | .states = SS_CONN, | |
247 | }, | |
248 | [AF_UNIX] = { | |
249 | .dbs = UNIX_DBM, | |
250 | .states = SS_CONN, | |
251 | }, | |
252 | [AF_PACKET] = { | |
253 | .dbs = PACKET_DBM, | |
254 | .states = (1 << SS_CLOSE), | |
255 | }, | |
256 | [AF_NETLINK] = { | |
257 | .dbs = (1 << NETLINK_DB), | |
258 | .states = (1 << SS_CLOSE), | |
259 | }, | |
c759116a SH |
260 | [AF_VSOCK] = { |
261 | .dbs = VSOCK_DBM, | |
262 | .states = SS_CONN, | |
263 | }, | |
9db7bf15 VK |
264 | }; |
265 | ||
266 | static int do_default = 1; | |
267 | static struct filter current_filter; | |
268 | ||
269 | static void filter_db_set(struct filter *f, int db) | |
270 | { | |
271 | f->states |= default_dbs[db].states; | |
9db7bf15 VK |
272 | f->dbs |= 1 << db; |
273 | do_default = 0; | |
274 | } | |
275 | ||
276 | static void filter_af_set(struct filter *f, int af) | |
277 | { | |
1527a17e | 278 | f->states |= default_afs[af].states; |
b338a3e7 | 279 | f->families |= FAMILY_MASK(af); |
1527a17e VK |
280 | do_default = 0; |
281 | preferred_family = af; | |
9db7bf15 VK |
282 | } |
283 | ||
284 | static int filter_af_get(struct filter *f, int af) | |
285 | { | |
b338a3e7 | 286 | return !!(f->families & FAMILY_MASK(af)); |
9db7bf15 VK |
287 | } |
288 | ||
289 | static void filter_default_dbs(struct filter *f) | |
290 | { | |
291 | filter_db_set(f, UDP_DB); | |
292 | filter_db_set(f, DCCP_DB); | |
293 | filter_db_set(f, TCP_DB); | |
294 | filter_db_set(f, RAW_DB); | |
295 | filter_db_set(f, UNIX_ST_DB); | |
296 | filter_db_set(f, UNIX_DG_DB); | |
297 | filter_db_set(f, UNIX_SQ_DB); | |
298 | filter_db_set(f, PACKET_R_DB); | |
299 | filter_db_set(f, PACKET_DG_DB); | |
300 | filter_db_set(f, NETLINK_DB); | |
f89d46ad | 301 | filter_db_set(f, SCTP_DB); |
c759116a SH |
302 | filter_db_set(f, VSOCK_ST_DB); |
303 | filter_db_set(f, VSOCK_DG_DB); | |
9db7bf15 VK |
304 | } |
305 | ||
57ff5a10 | 306 | static void filter_states_set(struct filter *f, int states) |
9db7bf15 | 307 | { |
57ff5a10 | 308 | if (states) |
9d320e1e | 309 | f->states = states; |
57ff5a10 | 310 | } |
9db7bf15 | 311 | |
57ff5a10 VK |
312 | static void filter_merge_defaults(struct filter *f) |
313 | { | |
314 | int db; | |
315 | int af; | |
9db7bf15 | 316 | |
57ff5a10 VK |
317 | for (db = 0; db < MAX_DB; db++) { |
318 | if (!(f->dbs & (1 << db))) | |
319 | continue; | |
9db7bf15 | 320 | |
57ff5a10 VK |
321 | if (!(default_dbs[db].families & f->families)) |
322 | f->families |= default_dbs[db].families; | |
323 | } | |
324 | for (af = 0; af < AF_MAX; af++) { | |
b338a3e7 | 325 | if (!(f->families & FAMILY_MASK(af))) |
57ff5a10 VK |
326 | continue; |
327 | ||
328 | if (!(default_afs[af].dbs & f->dbs)) | |
329 | f->dbs |= default_afs[af].dbs; | |
330 | } | |
9db7bf15 | 331 | } |
aba5acdf | 332 | |
ab01dbbb | 333 | static FILE *generic_proc_open(const char *env, const char *name) |
aba5acdf | 334 | { |
ab01dbbb | 335 | const char *p = getenv(env); |
aba5acdf | 336 | char store[128]; |
ab01dbbb | 337 | |
aba5acdf SH |
338 | if (!p) { |
339 | p = getenv("PROC_ROOT") ? : "/proc"; | |
340 | snprintf(store, sizeof(store)-1, "%s/%s", p, name); | |
341 | p = store; | |
342 | } | |
ab01dbbb SH |
343 | |
344 | return fopen(p, "r"); | |
aba5acdf | 345 | } |
0cb74a86 PS |
346 | #define net_tcp_open() generic_proc_open("PROC_NET_TCP", "net/tcp") |
347 | #define net_tcp6_open() generic_proc_open("PROC_NET_TCP6", "net/tcp6") | |
348 | #define net_udp_open() generic_proc_open("PROC_NET_UDP", "net/udp") | |
349 | #define net_udp6_open() generic_proc_open("PROC_NET_UDP6", "net/udp6") | |
350 | #define net_raw_open() generic_proc_open("PROC_NET_RAW", "net/raw") | |
351 | #define net_raw6_open() generic_proc_open("PROC_NET_RAW6", "net/raw6") | |
352 | #define net_unix_open() generic_proc_open("PROC_NET_UNIX", "net/unix") | |
353 | #define net_packet_open() generic_proc_open("PROC_NET_PACKET", \ | |
354 | "net/packet") | |
355 | #define net_netlink_open() generic_proc_open("PROC_NET_NETLINK", \ | |
356 | "net/netlink") | |
357 | #define slabinfo_open() generic_proc_open("PROC_SLABINFO", "slabinfo") | |
358 | #define net_sockstat_open() generic_proc_open("PROC_NET_SOCKSTAT", \ | |
359 | "net/sockstat") | |
360 | #define net_sockstat6_open() generic_proc_open("PROC_NET_SOCKSTAT6", \ | |
361 | "net/sockstat6") | |
362 | #define net_snmp_open() generic_proc_open("PROC_NET_SNMP", "net/snmp") | |
363 | #define ephemeral_ports_open() generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", \ | |
364 | "sys/net/ipv4/ip_local_port_range") | |
aba5acdf | 365 | |
fbc0f876 SF |
366 | struct user_ent { |
367 | struct user_ent *next; | |
368 | unsigned int ino; | |
369 | int pid; | |
370 | int fd; | |
116ac927 RH |
371 | char *process; |
372 | char *process_ctx; | |
373 | char *socket_ctx; | |
fbc0f876 SF |
374 | }; |
375 | ||
376 | #define USER_ENT_HASH_SIZE 256 | |
377 | struct user_ent *user_ent_hash[USER_ENT_HASH_SIZE]; | |
378 | ||
379 | static int user_ent_hashfn(unsigned int ino) | |
aba5acdf | 380 | { |
fbc0f876 | 381 | int val = (ino >> 24) ^ (ino >> 16) ^ (ino >> 8) ^ ino; |
aba5acdf | 382 | |
fbc0f876 SF |
383 | return val & (USER_ENT_HASH_SIZE - 1); |
384 | } | |
385 | ||
116ac927 RH |
386 | static void user_ent_add(unsigned int ino, char *process, |
387 | int pid, int fd, | |
388 | char *proc_ctx, | |
389 | char *sock_ctx) | |
fbc0f876 SF |
390 | { |
391 | struct user_ent *p, **pp; | |
aba5acdf | 392 | |
116ac927 RH |
393 | p = malloc(sizeof(struct user_ent)); |
394 | if (!p) { | |
395 | fprintf(stderr, "ss: failed to malloc buffer\n"); | |
fbc0f876 | 396 | abort(); |
116ac927 | 397 | } |
fbc0f876 SF |
398 | p->next = NULL; |
399 | p->ino = ino; | |
400 | p->pid = pid; | |
401 | p->fd = fd; | |
116ac927 RH |
402 | p->process = strdup(process); |
403 | p->process_ctx = strdup(proc_ctx); | |
404 | p->socket_ctx = strdup(sock_ctx); | |
fbc0f876 SF |
405 | |
406 | pp = &user_ent_hash[user_ent_hashfn(ino)]; | |
407 | p->next = *pp; | |
408 | *pp = p; | |
409 | } | |
aba5acdf | 410 | |
116ac927 RH |
411 | static void user_ent_destroy(void) |
412 | { | |
413 | struct user_ent *p, *p_next; | |
414 | int cnt = 0; | |
415 | ||
416 | while (cnt != USER_ENT_HASH_SIZE) { | |
417 | p = user_ent_hash[cnt]; | |
418 | while (p) { | |
419 | free(p->process); | |
420 | free(p->process_ctx); | |
421 | free(p->socket_ctx); | |
422 | p_next = p->next; | |
423 | free(p); | |
424 | p = p_next; | |
425 | } | |
426 | cnt++; | |
427 | } | |
428 | } | |
429 | ||
fbc0f876 SF |
430 | static void user_ent_hash_build(void) |
431 | { | |
432 | const char *root = getenv("PROC_ROOT") ? : "/proc/"; | |
433 | struct dirent *d; | |
434 | char name[1024]; | |
435 | int nameoff; | |
436 | DIR *dir; | |
116ac927 RH |
437 | char *pid_context; |
438 | char *sock_context; | |
439 | const char *no_ctx = "unavailable"; | |
b25bad2f | 440 | static int user_ent_hash_build_init; |
116ac927 RH |
441 | |
442 | /* If show_users & show_proc_ctx set only do this once */ | |
443 | if (user_ent_hash_build_init != 0) | |
444 | return; | |
445 | ||
446 | user_ent_hash_build_init = 1; | |
fbc0f876 | 447 | |
18f156bf | 448 | strlcpy(name, root, sizeof(name)); |
0ee9052f | 449 | |
fbc0f876 | 450 | if (strlen(name) == 0 || name[strlen(name)-1] != '/') |
aba5acdf | 451 | strcat(name, "/"); |
fbc0f876 | 452 | |
aba5acdf | 453 | nameoff = strlen(name); |
fbc0f876 SF |
454 | |
455 | dir = opendir(name); | |
456 | if (!dir) | |
457 | return; | |
aba5acdf SH |
458 | |
459 | while ((d = readdir(dir)) != NULL) { | |
aba5acdf | 460 | struct dirent *d1; |
aba5acdf | 461 | char process[16]; |
116ac927 | 462 | char *p; |
fbc0f876 SF |
463 | int pid, pos; |
464 | DIR *dir1; | |
465 | char crap; | |
aba5acdf SH |
466 | |
467 | if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1) | |
468 | continue; | |
469 | ||
116ac927 RH |
470 | if (getpidcon(pid, &pid_context) != 0) |
471 | pid_context = strdup(no_ctx); | |
472 | ||
0ee9052f | 473 | snprintf(name + nameoff, sizeof(name) - nameoff, "%d/fd/", pid); |
aba5acdf | 474 | pos = strlen(name); |
a02371fb PS |
475 | if ((dir1 = opendir(name)) == NULL) { |
476 | free(pid_context); | |
aba5acdf | 477 | continue; |
a02371fb | 478 | } |
aba5acdf | 479 | |
fbc0f876 | 480 | process[0] = '\0'; |
116ac927 | 481 | p = process; |
aba5acdf SH |
482 | |
483 | while ((d1 = readdir(dir1)) != NULL) { | |
fbc0f876 SF |
484 | const char *pattern = "socket:["; |
485 | unsigned int ino; | |
aba5acdf | 486 | char lnk[64]; |
18445b3e | 487 | int fd; |
788731b3 | 488 | ssize_t link_len; |
116ac927 | 489 | char tmp[1024]; |
aba5acdf SH |
490 | |
491 | if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1) | |
492 | continue; | |
493 | ||
0ee9052f | 494 | snprintf(name+pos, sizeof(name) - pos, "%d", fd); |
788731b3 TJ |
495 | |
496 | link_len = readlink(name, lnk, sizeof(lnk)-1); | |
497 | if (link_len == -1) | |
498 | continue; | |
499 | lnk[link_len] = '\0'; | |
500 | ||
501 | if (strncmp(lnk, pattern, strlen(pattern))) | |
aba5acdf SH |
502 | continue; |
503 | ||
fbc0f876 | 504 | sscanf(lnk, "socket:[%u]", &ino); |
aba5acdf | 505 | |
116ac927 RH |
506 | snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s", |
507 | root, pid, d1->d_name); | |
508 | ||
509 | if (getfilecon(tmp, &sock_context) <= 0) | |
510 | sock_context = strdup(no_ctx); | |
511 | ||
512 | if (*p == '\0') { | |
aba5acdf | 513 | FILE *fp; |
fbc0f876 | 514 | |
116ac927 RH |
515 | snprintf(tmp, sizeof(tmp), "%s/%d/stat", |
516 | root, pid); | |
aba5acdf | 517 | if ((fp = fopen(tmp, "r")) != NULL) { |
d572ed4d PS |
518 | if (fscanf(fp, "%*d (%[^)])", p) < 1) |
519 | ; /* ignore */ | |
aba5acdf SH |
520 | fclose(fp); |
521 | } | |
522 | } | |
116ac927 RH |
523 | user_ent_add(ino, p, pid, fd, |
524 | pid_context, sock_context); | |
525 | free(sock_context); | |
aba5acdf | 526 | } |
116ac927 | 527 | free(pid_context); |
aba5acdf SH |
528 | closedir(dir1); |
529 | } | |
530 | closedir(dir); | |
fbc0f876 SF |
531 | } |
532 | ||
116ac927 RH |
533 | enum entry_types { |
534 | USERS, | |
535 | PROC_CTX, | |
536 | PROC_SOCK_CTX | |
537 | }; | |
538 | ||
539 | #define ENTRY_BUF_SIZE 512 | |
acd1e437 | 540 | static int find_entry(unsigned int ino, char **buf, int type) |
fbc0f876 SF |
541 | { |
542 | struct user_ent *p; | |
543 | int cnt = 0; | |
544 | char *ptr; | |
532ca40a | 545 | char *new_buf; |
116ac927 RH |
546 | int len, new_buf_len; |
547 | int buf_used = 0; | |
548 | int buf_len = 0; | |
fbc0f876 SF |
549 | |
550 | if (!ino) | |
551 | return 0; | |
552 | ||
553 | p = user_ent_hash[user_ent_hashfn(ino)]; | |
116ac927 | 554 | ptr = *buf = NULL; |
fbc0f876 SF |
555 | while (p) { |
556 | if (p->ino != ino) | |
557 | goto next; | |
558 | ||
116ac927 RH |
559 | while (1) { |
560 | ptr = *buf + buf_used; | |
561 | switch (type) { | |
562 | case USERS: | |
563 | len = snprintf(ptr, buf_len - buf_used, | |
564 | "(\"%s\",pid=%d,fd=%d),", | |
565 | p->process, p->pid, p->fd); | |
566 | break; | |
567 | case PROC_CTX: | |
568 | len = snprintf(ptr, buf_len - buf_used, | |
569 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),", | |
570 | p->process, p->pid, | |
571 | p->process_ctx, p->fd); | |
572 | break; | |
573 | case PROC_SOCK_CTX: | |
574 | len = snprintf(ptr, buf_len - buf_used, | |
575 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),", | |
576 | p->process, p->pid, | |
577 | p->process_ctx, p->fd, | |
578 | p->socket_ctx); | |
579 | break; | |
580 | default: | |
581 | fprintf(stderr, "ss: invalid type: %d\n", type); | |
582 | abort(); | |
583 | } | |
fbc0f876 | 584 | |
116ac927 RH |
585 | if (len < 0 || len >= buf_len - buf_used) { |
586 | new_buf_len = buf_len + ENTRY_BUF_SIZE; | |
532ca40a | 587 | new_buf = realloc(*buf, new_buf_len); |
116ac927 RH |
588 | if (!new_buf) { |
589 | fprintf(stderr, "ss: failed to malloc buffer\n"); | |
590 | abort(); | |
591 | } | |
532ca40a | 592 | *buf = new_buf; |
116ac927 RH |
593 | buf_len = new_buf_len; |
594 | continue; | |
595 | } else { | |
596 | buf_used += len; | |
597 | break; | |
598 | } | |
599 | } | |
fbc0f876 | 600 | cnt++; |
116ac927 | 601 | next: |
fbc0f876 SF |
602 | p = p->next; |
603 | } | |
116ac927 RH |
604 | if (buf_used) { |
605 | ptr = *buf + buf_used; | |
fbc0f876 | 606 | ptr[-1] = '\0'; |
116ac927 | 607 | } |
aba5acdf SH |
608 | return cnt; |
609 | } | |
610 | ||
aba5acdf SH |
611 | /* Get stats from slab */ |
612 | ||
acd1e437 | 613 | struct slabstat { |
aba5acdf SH |
614 | int socks; |
615 | int tcp_ports; | |
616 | int tcp_tws; | |
617 | int tcp_syns; | |
618 | int skbs; | |
619 | }; | |
620 | ||
a221d621 | 621 | static struct slabstat slabstat; |
aba5acdf | 622 | |
d1f28cf1 | 623 | static int get_slabstat(struct slabstat *s) |
aba5acdf SH |
624 | { |
625 | char buf[256]; | |
626 | FILE *fp; | |
627 | int cnt; | |
a221d621 | 628 | static int slabstat_valid; |
b3535dd6 PS |
629 | static const char * const slabstat_ids[] = { |
630 | "sock", | |
631 | "tcp_bind_bucket", | |
632 | "tcp_tw_bucket", | |
633 | "tcp_open_request", | |
634 | "skbuff_head_cache", | |
635 | }; | |
a221d621 BL |
636 | |
637 | if (slabstat_valid) | |
638 | return 0; | |
aba5acdf SH |
639 | |
640 | memset(s, 0, sizeof(*s)); | |
641 | ||
ab01dbbb SH |
642 | fp = slabinfo_open(); |
643 | if (!fp) | |
aba5acdf SH |
644 | return -1; |
645 | ||
646 | cnt = sizeof(*s)/sizeof(int); | |
647 | ||
d572ed4d PS |
648 | if (!fgets(buf, sizeof(buf), fp)) { |
649 | fclose(fp); | |
650 | return -1; | |
651 | } | |
acd1e437 | 652 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
aba5acdf | 653 | int i; |
acd1e437 | 654 | |
62000e51 | 655 | for (i = 0; i < ARRAY_SIZE(slabstat_ids); i++) { |
aba5acdf SH |
656 | if (memcmp(buf, slabstat_ids[i], strlen(slabstat_ids[i])) == 0) { |
657 | sscanf(buf, "%*s%d", ((int *)s) + i); | |
658 | cnt--; | |
659 | break; | |
660 | } | |
661 | } | |
662 | if (cnt <= 0) | |
663 | break; | |
664 | } | |
665 | ||
a221d621 BL |
666 | slabstat_valid = 1; |
667 | ||
aba5acdf SH |
668 | fclose(fp); |
669 | return 0; | |
670 | } | |
671 | ||
2e7e805d | 672 | static unsigned long long cookie_sk_get(const uint32_t *cookie) |
f1b39e1b | 673 | { |
2e7e805d | 674 | return (((unsigned long long)cookie[1] << 31) << 1) | cookie[0]; |
f1b39e1b VK |
675 | } |
676 | ||
f89d46ad PS |
677 | static const char *sctp_sstate_name[] = { |
678 | [SCTP_STATE_CLOSED] = "CLOSED", | |
679 | [SCTP_STATE_COOKIE_WAIT] = "COOKIE_WAIT", | |
680 | [SCTP_STATE_COOKIE_ECHOED] = "COOKIE_ECHOED", | |
681 | [SCTP_STATE_ESTABLISHED] = "ESTAB", | |
682 | [SCTP_STATE_SHUTDOWN_PENDING] = "SHUTDOWN_PENDING", | |
683 | [SCTP_STATE_SHUTDOWN_SENT] = "SHUTDOWN_SENT", | |
684 | [SCTP_STATE_SHUTDOWN_RECEIVED] = "SHUTDOWN_RECEIVED", | |
685 | [SCTP_STATE_SHUTDOWN_ACK_SENT] = "ACK_SENT", | |
686 | }; | |
687 | ||
acd1e437 | 688 | struct sockstat { |
ec4d0d8a VK |
689 | struct sockstat *next; |
690 | unsigned int type; | |
89f634f9 | 691 | uint16_t prot; |
41fe6c34 | 692 | uint16_t raw_prot; |
8250bc9f VK |
693 | inet_prefix local; |
694 | inet_prefix remote; | |
695 | int lport; | |
696 | int rport; | |
697 | int state; | |
698 | int rq, wq; | |
acd1e437 SH |
699 | unsigned int ino; |
700 | unsigned int uid; | |
8250bc9f VK |
701 | int refcnt; |
702 | unsigned int iface; | |
703 | unsigned long long sk; | |
99bb68ff VK |
704 | char *name; |
705 | char *peer_name; | |
ec75249b | 706 | __u32 mark; |
055840f2 VK |
707 | }; |
708 | ||
acd1e437 | 709 | struct dctcpstat { |
055840f2 VK |
710 | unsigned int ce_state; |
711 | unsigned int alpha; | |
712 | unsigned int ab_ecn; | |
713 | unsigned int ab_tot; | |
714 | bool enabled; | |
715 | }; | |
716 | ||
acd1e437 | 717 | struct tcpstat { |
055840f2 | 718 | struct sockstat ss; |
4cbf5224 PS |
719 | unsigned int timer; |
720 | unsigned int timeout; | |
8250bc9f | 721 | int probes; |
d2055ea5 | 722 | char cong_alg[16]; |
8250bc9f | 723 | double rto, ato, rtt, rttvar; |
d1f338b3 | 724 | int qack, ssthresh, backoff; |
8250bc9f VK |
725 | double send_bps; |
726 | int snd_wscale; | |
727 | int rcv_wscale; | |
728 | int mss; | |
38e6dbc4 ED |
729 | int rcv_mss; |
730 | int advmss; | |
d1f338b3 | 731 | unsigned int cwnd; |
8250bc9f VK |
732 | unsigned int lastsnd; |
733 | unsigned int lastrcv; | |
734 | unsigned int lastack; | |
735 | double pacing_rate; | |
736 | double pacing_rate_max; | |
2f579872 | 737 | double delivery_rate; |
1a4dda71 ED |
738 | unsigned long long bytes_acked; |
739 | unsigned long long bytes_received; | |
ecb435ea CG |
740 | unsigned int segs_out; |
741 | unsigned int segs_in; | |
414aeec9 MKL |
742 | unsigned int data_segs_out; |
743 | unsigned int data_segs_in; | |
8250bc9f VK |
744 | unsigned int unacked; |
745 | unsigned int retrans; | |
746 | unsigned int retrans_total; | |
747 | unsigned int lost; | |
748 | unsigned int sacked; | |
749 | unsigned int fackets; | |
750 | unsigned int reordering; | |
9e99e495 | 751 | unsigned int not_sent; |
8250bc9f | 752 | double rcv_rtt; |
9e99e495 | 753 | double min_rtt; |
8250bc9f | 754 | int rcv_space; |
00ac78d3 | 755 | unsigned int rcv_ssthresh; |
b6c7fc61 YC |
756 | unsigned long long busy_time; |
757 | unsigned long long rwnd_limited; | |
758 | unsigned long long sndbuf_limited; | |
8250bc9f VK |
759 | bool has_ts_opt; |
760 | bool has_sack_opt; | |
761 | bool has_ecn_opt; | |
762 | bool has_ecnseen_opt; | |
763 | bool has_fastopen_opt; | |
764 | bool has_wscale_opt; | |
2f579872 | 765 | bool app_limited; |
8250bc9f | 766 | struct dctcpstat *dctcp; |
2f0f9aef | 767 | struct tcp_bbr_info *bbr_info; |
aba5acdf SH |
768 | }; |
769 | ||
f89d46ad PS |
770 | /* SCTP assocs share the same inode number with their parent endpoint. So if we |
771 | * have seen the inode number before, it must be an assoc instead of the next | |
772 | * endpoint. */ | |
773 | static bool is_sctp_assoc(struct sockstat *s, const char *sock_name) | |
774 | { | |
775 | if (strcmp(sock_name, "sctp")) | |
776 | return false; | |
777 | if (!sctp_ino || sctp_ino != s->ino) | |
778 | return false; | |
779 | return true; | |
780 | } | |
781 | ||
be7e4d20 PS |
782 | static const char *unix_netid_name(int type) |
783 | { | |
784 | switch (type) { | |
785 | case SOCK_STREAM: | |
786 | return "u_str"; | |
787 | case SOCK_SEQPACKET: | |
788 | return "u_seq"; | |
789 | case SOCK_DGRAM: | |
790 | default: | |
791 | return "u_dgr"; | |
792 | } | |
793 | } | |
794 | ||
795 | static const char *proto_name(int protocol) | |
2d791bc8 | 796 | { |
be7e4d20 PS |
797 | switch (protocol) { |
798 | case 0: | |
799 | return "raw"; | |
800 | case IPPROTO_UDP: | |
801 | return "udp"; | |
802 | case IPPROTO_TCP: | |
803 | return "tcp"; | |
804 | case IPPROTO_SCTP: | |
805 | return "sctp"; | |
806 | case IPPROTO_DCCP: | |
807 | return "dccp"; | |
572e8936 PS |
808 | case IPPROTO_ICMPV6: |
809 | return "icmp6"; | |
be7e4d20 PS |
810 | } |
811 | ||
812 | return "???"; | |
813 | } | |
814 | ||
c759116a SH |
815 | static const char *vsock_netid_name(int type) |
816 | { | |
817 | switch (type) { | |
818 | case SOCK_STREAM: | |
819 | return "v_str"; | |
820 | case SOCK_DGRAM: | |
821 | return "v_dgr"; | |
822 | default: | |
823 | return "???"; | |
824 | } | |
825 | } | |
826 | ||
90351722 SB |
827 | static void out(const char *fmt, ...) |
828 | { | |
829 | va_list args; | |
830 | ||
831 | va_start(args, fmt); | |
832 | vfprintf(stdout, fmt, args); | |
833 | va_end(args); | |
834 | } | |
835 | ||
be7e4d20 PS |
836 | static void sock_state_print(struct sockstat *s) |
837 | { | |
838 | const char *sock_name; | |
1882c0db PS |
839 | static const char * const sstate_name[] = { |
840 | "UNKNOWN", | |
841 | [SS_ESTABLISHED] = "ESTAB", | |
842 | [SS_SYN_SENT] = "SYN-SENT", | |
843 | [SS_SYN_RECV] = "SYN-RECV", | |
844 | [SS_FIN_WAIT1] = "FIN-WAIT-1", | |
845 | [SS_FIN_WAIT2] = "FIN-WAIT-2", | |
846 | [SS_TIME_WAIT] = "TIME-WAIT", | |
847 | [SS_CLOSE] = "UNCONN", | |
848 | [SS_CLOSE_WAIT] = "CLOSE-WAIT", | |
849 | [SS_LAST_ACK] = "LAST-ACK", | |
850 | [SS_LISTEN] = "LISTEN", | |
851 | [SS_CLOSING] = "CLOSING", | |
852 | }; | |
be7e4d20 PS |
853 | |
854 | switch (s->local.family) { | |
855 | case AF_UNIX: | |
856 | sock_name = unix_netid_name(s->type); | |
857 | break; | |
858 | case AF_INET: | |
859 | case AF_INET6: | |
860 | sock_name = proto_name(s->type); | |
861 | break; | |
862 | case AF_PACKET: | |
863 | sock_name = s->type == SOCK_RAW ? "p_raw" : "p_dgr"; | |
864 | break; | |
865 | case AF_NETLINK: | |
866 | sock_name = "nl"; | |
867 | break; | |
c759116a SH |
868 | case AF_VSOCK: |
869 | sock_name = vsock_netid_name(s->type); | |
870 | break; | |
be7e4d20 PS |
871 | default: |
872 | sock_name = "unknown"; | |
873 | } | |
874 | ||
2d791bc8 | 875 | if (netid_width) |
90351722 SB |
876 | out("%-*s ", netid_width, |
877 | is_sctp_assoc(s, sock_name) ? "" : sock_name); | |
f89d46ad PS |
878 | if (state_width) { |
879 | if (is_sctp_assoc(s, sock_name)) | |
90351722 SB |
880 | out("`- %-*s ", state_width - 3, |
881 | sctp_sstate_name[s->state]); | |
f89d46ad | 882 | else |
90351722 | 883 | out("%-*s ", state_width, sstate_name[s->state]); |
f89d46ad | 884 | } |
2d791bc8 | 885 | |
90351722 | 886 | out("%-6d %-6d %s", s->rq, s->wq, odd_width_pad); |
2d791bc8 VK |
887 | } |
888 | ||
f1b39e1b VK |
889 | static void sock_details_print(struct sockstat *s) |
890 | { | |
891 | if (s->uid) | |
90351722 | 892 | out(" uid:%u", s->uid); |
f1b39e1b | 893 | |
90351722 SB |
894 | out(" ino:%u", s->ino); |
895 | out(" sk:%llx", s->sk); | |
ec75249b LC |
896 | |
897 | if (s->mark) | |
90351722 | 898 | out(" fwmark:0x%x", s->mark); |
f1b39e1b VK |
899 | } |
900 | ||
b217df10 VK |
901 | static void sock_addr_print_width(int addr_len, const char *addr, char *delim, |
902 | int port_len, const char *port, const char *ifname) | |
903 | { | |
904 | if (ifname) { | |
90351722 SB |
905 | out("%*s%%%s%s%-*s ", addr_len, addr, ifname, delim, |
906 | port_len, port); | |
acd1e437 | 907 | } else { |
90351722 | 908 | out("%*s%s%-*s ", addr_len, addr, delim, port_len, port); |
b217df10 VK |
909 | } |
910 | } | |
911 | ||
912 | static void sock_addr_print(const char *addr, char *delim, const char *port, | |
913 | const char *ifname) | |
914 | { | |
915 | sock_addr_print_width(addr_width, addr, delim, serv_width, port, ifname); | |
916 | } | |
917 | ||
4cbf5224 | 918 | static const char *print_ms_timer(unsigned int timeout) |
aba5acdf SH |
919 | { |
920 | static char buf[64]; | |
921 | int secs, msecs, minutes; | |
acd1e437 | 922 | |
aba5acdf SH |
923 | secs = timeout/1000; |
924 | minutes = secs/60; | |
925 | secs = secs%60; | |
926 | msecs = timeout%1000; | |
927 | buf[0] = 0; | |
928 | if (minutes) { | |
929 | msecs = 0; | |
930 | snprintf(buf, sizeof(buf)-16, "%dmin", minutes); | |
931 | if (minutes > 9) | |
932 | secs = 0; | |
933 | } | |
934 | if (secs) { | |
935 | if (secs > 9) | |
936 | msecs = 0; | |
937 | sprintf(buf+strlen(buf), "%d%s", secs, msecs ? "." : "sec"); | |
938 | } | |
939 | if (msecs) | |
940 | sprintf(buf+strlen(buf), "%03dms", msecs); | |
941 | return buf; | |
e7113c61 | 942 | } |
aba5acdf | 943 | |
22588a0e | 944 | struct scache { |
aba5acdf SH |
945 | struct scache *next; |
946 | int port; | |
947 | char *name; | |
948 | const char *proto; | |
949 | }; | |
950 | ||
951 | struct scache *rlist; | |
952 | ||
d1f28cf1 | 953 | static void init_service_resolver(void) |
aba5acdf SH |
954 | { |
955 | char buf[128]; | |
956 | FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r"); | |
596307ea PS |
957 | |
958 | if (!fp) | |
959 | return; | |
960 | ||
961 | if (!fgets(buf, sizeof(buf), fp)) { | |
2bcc3c16 | 962 | pclose(fp); |
596307ea PS |
963 | return; |
964 | } | |
965 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
966 | unsigned int progn, port; | |
967 | char proto[128], prog[128] = "rpc."; | |
968 | struct scache *c; | |
969 | ||
970 | if (sscanf(buf, "%u %*d %s %u %s", | |
acd1e437 | 971 | &progn, proto, &port, prog+4) != 4) |
596307ea PS |
972 | continue; |
973 | ||
974 | if (!(c = malloc(sizeof(*c)))) | |
975 | continue; | |
976 | ||
977 | c->port = port; | |
978 | c->name = strdup(prog); | |
979 | if (strcmp(proto, TCP_PROTO) == 0) | |
980 | c->proto = TCP_PROTO; | |
981 | else if (strcmp(proto, UDP_PROTO) == 0) | |
982 | c->proto = UDP_PROTO; | |
f89d46ad PS |
983 | else if (strcmp(proto, SCTP_PROTO) == 0) |
984 | c->proto = SCTP_PROTO; | |
596307ea PS |
985 | else |
986 | c->proto = NULL; | |
987 | c->next = rlist; | |
988 | rlist = c; | |
aba5acdf | 989 | } |
596307ea | 990 | pclose(fp); |
aba5acdf SH |
991 | } |
992 | ||
ab61159a SH |
993 | /* Even do not try default linux ephemeral port ranges: |
994 | * default /etc/services contains so much of useless crap | |
995 | * wouldbe "allocated" to this area that resolution | |
996 | * is really harmful. I shrug each time when seeing | |
997 | * "socks" or "cfinger" in dumps. | |
998 | */ | |
999 | static int is_ephemeral(int port) | |
1000 | { | |
acd1e437 | 1001 | static int min = 0, max; |
c29d3792 PS |
1002 | |
1003 | if (!min) { | |
ab01dbbb | 1004 | FILE *f = ephemeral_ports_open(); |
acd1e437 | 1005 | |
c29d3792 PS |
1006 | if (!f || fscanf(f, "%d %d", &min, &max) < 2) { |
1007 | min = 1024; | |
1008 | max = 4999; | |
ab61159a | 1009 | } |
c29d3792 PS |
1010 | if (f) |
1011 | fclose(f); | |
ab61159a | 1012 | } |
c29d3792 | 1013 | return port >= min && port <= max; |
ab61159a SH |
1014 | } |
1015 | ||
1016 | ||
d1f28cf1 | 1017 | static const char *__resolve_service(int port) |
aba5acdf SH |
1018 | { |
1019 | struct scache *c; | |
1020 | ||
1021 | for (c = rlist; c; c = c->next) { | |
1022 | if (c->port == port && c->proto == dg_proto) | |
1023 | return c->name; | |
1024 | } | |
1025 | ||
ab61159a | 1026 | if (!is_ephemeral(port)) { |
aba5acdf SH |
1027 | static int notfirst; |
1028 | struct servent *se; | |
acd1e437 | 1029 | |
aba5acdf SH |
1030 | if (!notfirst) { |
1031 | setservent(1); | |
1032 | notfirst = 1; | |
ae665a52 | 1033 | } |
aba5acdf SH |
1034 | se = getservbyport(htons(port), dg_proto); |
1035 | if (se) | |
1036 | return se->s_name; | |
1037 | } | |
1038 | ||
1039 | return NULL; | |
1040 | } | |
1041 | ||
22588a0e ED |
1042 | #define SCACHE_BUCKETS 1024 |
1043 | static struct scache *cache_htab[SCACHE_BUCKETS]; | |
aba5acdf | 1044 | |
d1f28cf1 | 1045 | static const char *resolve_service(int port) |
aba5acdf SH |
1046 | { |
1047 | static char buf[128]; | |
22588a0e ED |
1048 | struct scache *c; |
1049 | const char *res; | |
1050 | int hash; | |
aba5acdf SH |
1051 | |
1052 | if (port == 0) { | |
1053 | buf[0] = '*'; | |
1054 | buf[1] = 0; | |
1055 | return buf; | |
1056 | } | |
1057 | ||
22588a0e ED |
1058 | if (!resolve_services) |
1059 | goto do_numeric; | |
aba5acdf | 1060 | |
22588a0e ED |
1061 | if (dg_proto == RAW_PROTO) |
1062 | return inet_proto_n2a(port, buf, sizeof(buf)); | |
1063 | ||
1064 | ||
1065 | hash = (port^(((unsigned long)dg_proto)>>2)) % SCACHE_BUCKETS; | |
1066 | ||
1067 | for (c = cache_htab[hash]; c; c = c->next) { | |
1068 | if (c->port == port && c->proto == dg_proto) | |
1069 | goto do_cache; | |
aba5acdf SH |
1070 | } |
1071 | ||
22588a0e ED |
1072 | c = malloc(sizeof(*c)); |
1073 | if (!c) | |
1074 | goto do_numeric; | |
1075 | res = __resolve_service(port); | |
1076 | c->port = port; | |
1077 | c->name = res ? strdup(res) : NULL; | |
1078 | c->proto = dg_proto; | |
1079 | c->next = cache_htab[hash]; | |
1080 | cache_htab[hash] = c; | |
1081 | ||
1082 | do_cache: | |
1083 | if (c->name) | |
1084 | return c->name; | |
1085 | ||
1086 | do_numeric: | |
aba5acdf SH |
1087 | sprintf(buf, "%u", port); |
1088 | return buf; | |
1089 | } | |
1090 | ||
1267c0b9 PS |
1091 | static void inet_addr_print(const inet_prefix *a, int port, |
1092 | unsigned int ifindex, bool v6only) | |
aba5acdf SH |
1093 | { |
1094 | char buf[1024]; | |
1095 | const char *ap = buf; | |
b217df10 VK |
1096 | int est_len = addr_width; |
1097 | const char *ifname = NULL; | |
aba5acdf SH |
1098 | |
1099 | if (a->family == AF_INET) { | |
1267c0b9 | 1100 | ap = format_host(AF_INET, 4, a->data); |
aba5acdf | 1101 | } else { |
1267c0b9 PS |
1102 | if (!v6only && |
1103 | !memcmp(a->data, &in6addr_any, sizeof(in6addr_any))) { | |
aba9c23a SH |
1104 | buf[0] = '*'; |
1105 | buf[1] = 0; | |
1106 | } else { | |
1107 | ap = format_host(a->family, 16, a->data); | |
1108 | ||
1109 | /* Numeric IPv6 addresses should be bracketed */ | |
1110 | if (strchr(ap, ':')) { | |
1111 | snprintf(buf, sizeof(buf), | |
1112 | "[%s]", ap); | |
1113 | ap = buf; | |
1114 | } | |
1115 | ||
1116 | est_len = strlen(ap); | |
1117 | if (est_len <= addr_width) | |
1118 | est_len = addr_width; | |
1119 | else | |
1120 | est_len = addr_width + ((est_len-addr_width+3)/4)*4; | |
1121 | } | |
aba5acdf | 1122 | } |
b217df10 | 1123 | |
7c8a3cfb | 1124 | if (ifindex) { |
b217df10 VK |
1125 | ifname = ll_index_to_name(ifindex); |
1126 | est_len -= strlen(ifname) + 1; /* +1 for percent char */ | |
4fcfb6bc MS |
1127 | if (est_len < 0) |
1128 | est_len = 0; | |
b217df10 | 1129 | } |
7c8a3cfb | 1130 | |
b217df10 VK |
1131 | sock_addr_print_width(est_len, ap, ":", serv_width, resolve_service(port), |
1132 | ifname); | |
aba5acdf SH |
1133 | } |
1134 | ||
acd1e437 | 1135 | struct aafilter { |
aba5acdf SH |
1136 | inet_prefix addr; |
1137 | int port; | |
2d293212 | 1138 | unsigned int iface; |
ec75249b LC |
1139 | __u32 mark; |
1140 | __u32 mask; | |
aba5acdf SH |
1141 | struct aafilter *next; |
1142 | }; | |
1143 | ||
d1f28cf1 SH |
1144 | static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p, |
1145 | int plen) | |
aba5acdf SH |
1146 | { |
1147 | if (!inet_addr_match(a, p, plen)) | |
1148 | return 0; | |
7d105b56 | 1149 | |
aba5acdf SH |
1150 | /* Cursed "v4 mapped" addresses: v4 mapped socket matches |
1151 | * pure IPv4 rule, but v4-mapped rule selects only v4-mapped | |
1152 | * sockets. Fair? */ | |
1153 | if (p->family == AF_INET && a->family == AF_INET6) { | |
1154 | if (a->data[0] == 0 && a->data[1] == 0 && | |
1155 | a->data[2] == htonl(0xffff)) { | |
1156 | inet_prefix tmp = *a; | |
acd1e437 | 1157 | |
aba5acdf SH |
1158 | tmp.data[0] = a->data[3]; |
1159 | return inet_addr_match(&tmp, p, plen); | |
1160 | } | |
1161 | } | |
1162 | return 1; | |
1163 | } | |
1164 | ||
d1f28cf1 | 1165 | static int unix_match(const inet_prefix *a, const inet_prefix *p) |
aba5acdf | 1166 | { |
99bb68ff | 1167 | char *addr, *pattern; |
acd1e437 | 1168 | |
99bb68ff VK |
1169 | memcpy(&addr, a->data, sizeof(addr)); |
1170 | memcpy(&pattern, p->data, sizeof(pattern)); | |
aba5acdf SH |
1171 | if (pattern == NULL) |
1172 | return 1; | |
1173 | if (addr == NULL) | |
1174 | addr = ""; | |
1175 | return !fnmatch(pattern, addr, 0); | |
1176 | } | |
1177 | ||
055840f2 | 1178 | static int run_ssfilter(struct ssfilter *f, struct sockstat *s) |
aba5acdf SH |
1179 | { |
1180 | switch (f->type) { | |
1181 | case SSF_S_AUTO: | |
1182 | { | |
aba5acdf | 1183 | if (s->local.family == AF_UNIX) { |
99bb68ff | 1184 | char *p; |
acd1e437 | 1185 | |
99bb68ff | 1186 | memcpy(&p, s->local.data, sizeof(p)); |
aba5acdf | 1187 | return p == NULL || (p[0] == '@' && strlen(p) == 6 && |
ae665a52 | 1188 | strspn(p+1, "0123456789abcdef") == 5); |
aba5acdf SH |
1189 | } |
1190 | if (s->local.family == AF_PACKET) | |
bbd303d1 | 1191 | return s->lport == 0 && s->local.data[0] == 0; |
aba5acdf SH |
1192 | if (s->local.family == AF_NETLINK) |
1193 | return s->lport < 0; | |
c759116a SH |
1194 | if (s->local.family == AF_VSOCK) |
1195 | return s->lport > 1023; | |
aba5acdf | 1196 | |
c29d3792 | 1197 | return is_ephemeral(s->lport); |
aba5acdf SH |
1198 | } |
1199 | case SSF_DCOND: | |
1200 | { | |
acd1e437 SH |
1201 | struct aafilter *a = (void *)f->pred; |
1202 | ||
aba5acdf SH |
1203 | if (a->addr.family == AF_UNIX) |
1204 | return unix_match(&s->remote, &a->addr); | |
1205 | if (a->port != -1 && a->port != s->rport) | |
1206 | return 0; | |
1207 | if (a->addr.bitlen) { | |
1208 | do { | |
1209 | if (!inet2_addr_match(&s->remote, &a->addr, a->addr.bitlen)) | |
1210 | return 1; | |
1211 | } while ((a = a->next) != NULL); | |
1212 | return 0; | |
1213 | } | |
1214 | return 1; | |
1215 | } | |
1216 | case SSF_SCOND: | |
1217 | { | |
acd1e437 SH |
1218 | struct aafilter *a = (void *)f->pred; |
1219 | ||
aba5acdf SH |
1220 | if (a->addr.family == AF_UNIX) |
1221 | return unix_match(&s->local, &a->addr); | |
1222 | if (a->port != -1 && a->port != s->lport) | |
1223 | return 0; | |
1224 | if (a->addr.bitlen) { | |
1225 | do { | |
1226 | if (!inet2_addr_match(&s->local, &a->addr, a->addr.bitlen)) | |
1227 | return 1; | |
ae665a52 | 1228 | } while ((a = a->next) != NULL); |
aba5acdf SH |
1229 | return 0; |
1230 | } | |
1231 | return 1; | |
1232 | } | |
1233 | case SSF_D_GE: | |
1234 | { | |
acd1e437 SH |
1235 | struct aafilter *a = (void *)f->pred; |
1236 | ||
aba5acdf SH |
1237 | return s->rport >= a->port; |
1238 | } | |
1239 | case SSF_D_LE: | |
1240 | { | |
acd1e437 SH |
1241 | struct aafilter *a = (void *)f->pred; |
1242 | ||
aba5acdf SH |
1243 | return s->rport <= a->port; |
1244 | } | |
1245 | case SSF_S_GE: | |
1246 | { | |
acd1e437 SH |
1247 | struct aafilter *a = (void *)f->pred; |
1248 | ||
aba5acdf SH |
1249 | return s->lport >= a->port; |
1250 | } | |
1251 | case SSF_S_LE: | |
1252 | { | |
acd1e437 SH |
1253 | struct aafilter *a = (void *)f->pred; |
1254 | ||
aba5acdf SH |
1255 | return s->lport <= a->port; |
1256 | } | |
2d293212 DA |
1257 | case SSF_DEVCOND: |
1258 | { | |
1259 | struct aafilter *a = (void *)f->pred; | |
aba5acdf | 1260 | |
2d293212 | 1261 | return s->iface == a->iface; |
ec75249b LC |
1262 | } |
1263 | case SSF_MARKMASK: | |
1264 | { | |
1265 | struct aafilter *a = (void *)f->pred; | |
1266 | ||
1267 | return (s->mark & a->mask) == a->mark; | |
2d293212 | 1268 | } |
aba5acdf SH |
1269 | /* Yup. It is recursion. Sorry. */ |
1270 | case SSF_AND: | |
1271 | return run_ssfilter(f->pred, s) && run_ssfilter(f->post, s); | |
1272 | case SSF_OR: | |
1273 | return run_ssfilter(f->pred, s) || run_ssfilter(f->post, s); | |
1274 | case SSF_NOT: | |
1275 | return !run_ssfilter(f->pred, s); | |
1276 | default: | |
1277 | abort(); | |
1278 | } | |
1279 | } | |
1280 | ||
ae665a52 | 1281 | /* Relocate external jumps by reloc. */ |
b4b0b7d5 | 1282 | static void ssfilter_patch(char *a, int len, int reloc) |
aba5acdf SH |
1283 | { |
1284 | while (len > 0) { | |
acd1e437 SH |
1285 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)a; |
1286 | ||
aba5acdf SH |
1287 | if (op->no == len+4) |
1288 | op->no += reloc; | |
1289 | len -= op->yes; | |
1290 | a += op->yes; | |
1291 | } | |
1292 | if (len < 0) | |
1293 | abort(); | |
1294 | } | |
1295 | ||
b4b0b7d5 | 1296 | static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode) |
aba5acdf SH |
1297 | { |
1298 | switch (f->type) { | |
1299 | case SSF_S_AUTO: | |
1300 | { | |
acd1e437 SH |
1301 | if (!(*bytecode = malloc(4))) abort(); |
1302 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 }; | |
df39de8d | 1303 | return 4; |
aba5acdf SH |
1304 | } |
1305 | case SSF_DCOND: | |
1306 | case SSF_SCOND: | |
1307 | { | |
acd1e437 | 1308 | struct aafilter *a = (void *)f->pred; |
aba5acdf SH |
1309 | struct aafilter *b; |
1310 | char *ptr; | |
351efcde | 1311 | int code = (f->type == SSF_DCOND ? INET_DIAG_BC_D_COND : INET_DIAG_BC_S_COND); |
aba5acdf SH |
1312 | int len = 0; |
1313 | ||
acd1e437 | 1314 | for (b = a; b; b = b->next) { |
351efcde | 1315 | len += 4 + sizeof(struct inet_diag_hostcond); |
aba5acdf SH |
1316 | if (a->addr.family == AF_INET6) |
1317 | len += 16; | |
1318 | else | |
1319 | len += 4; | |
1320 | if (b->next) | |
1321 | len += 4; | |
1322 | } | |
1323 | if (!(ptr = malloc(len))) abort(); | |
1324 | *bytecode = ptr; | |
acd1e437 | 1325 | for (b = a; b; b = b->next) { |
351efcde | 1326 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)ptr; |
aba5acdf | 1327 | int alen = (a->addr.family == AF_INET6 ? 16 : 4); |
351efcde | 1328 | int oplen = alen + 4 + sizeof(struct inet_diag_hostcond); |
acd1e437 | 1329 | struct inet_diag_hostcond *cond = (struct inet_diag_hostcond *)(ptr+4); |
aba5acdf | 1330 | |
351efcde | 1331 | *op = (struct inet_diag_bc_op){ code, oplen, oplen+4 }; |
aba5acdf SH |
1332 | cond->family = a->addr.family; |
1333 | cond->port = a->port; | |
1334 | cond->prefix_len = a->addr.bitlen; | |
1335 | memcpy(cond->addr, a->addr.data, alen); | |
1336 | ptr += oplen; | |
1337 | if (b->next) { | |
351efcde SH |
1338 | op = (struct inet_diag_bc_op *)ptr; |
1339 | *op = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, len - (ptr-*bytecode)}; | |
aba5acdf SH |
1340 | ptr += 4; |
1341 | } | |
1342 | } | |
1343 | return ptr - *bytecode; | |
1344 | } | |
1345 | case SSF_D_GE: | |
1346 | { | |
acd1e437 SH |
1347 | struct aafilter *x = (void *)f->pred; |
1348 | ||
1349 | if (!(*bytecode = malloc(8))) abort(); | |
1350 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_GE, 8, 12 }; | |
1351 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1352 | return 8; |
1353 | } | |
1354 | case SSF_D_LE: | |
1355 | { | |
acd1e437 SH |
1356 | struct aafilter *x = (void *)f->pred; |
1357 | ||
1358 | if (!(*bytecode = malloc(8))) abort(); | |
1359 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_LE, 8, 12 }; | |
1360 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1361 | return 8; |
1362 | } | |
1363 | case SSF_S_GE: | |
1364 | { | |
acd1e437 SH |
1365 | struct aafilter *x = (void *)f->pred; |
1366 | ||
1367 | if (!(*bytecode = malloc(8))) abort(); | |
1368 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_GE, 8, 12 }; | |
1369 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1370 | return 8; |
1371 | } | |
1372 | case SSF_S_LE: | |
1373 | { | |
acd1e437 SH |
1374 | struct aafilter *x = (void *)f->pred; |
1375 | ||
1376 | if (!(*bytecode = malloc(8))) abort(); | |
1377 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_LE, 8, 12 }; | |
1378 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1379 | return 8; |
1380 | } | |
1381 | ||
1382 | case SSF_AND: | |
1383 | { | |
376fb868 | 1384 | char *a1 = NULL, *a2 = NULL, *a; |
2a4fa1c3 | 1385 | int l1, l2; |
acd1e437 | 1386 | |
aba5acdf SH |
1387 | l1 = ssfilter_bytecompile(f->pred, &a1); |
1388 | l2 = ssfilter_bytecompile(f->post, &a2); | |
376fb868 DA |
1389 | if (!l1 || !l2) { |
1390 | free(a1); | |
1391 | free(a2); | |
1392 | return 0; | |
1393 | } | |
aba5acdf SH |
1394 | if (!(a = malloc(l1+l2))) abort(); |
1395 | memcpy(a, a1, l1); | |
1396 | memcpy(a+l1, a2, l2); | |
1397 | free(a1); free(a2); | |
1398 | ssfilter_patch(a, l1, l2); | |
1399 | *bytecode = a; | |
1400 | return l1+l2; | |
1401 | } | |
1402 | case SSF_OR: | |
1403 | { | |
376fb868 | 1404 | char *a1 = NULL, *a2 = NULL, *a; |
2a4fa1c3 | 1405 | int l1, l2; |
acd1e437 | 1406 | |
aba5acdf SH |
1407 | l1 = ssfilter_bytecompile(f->pred, &a1); |
1408 | l2 = ssfilter_bytecompile(f->post, &a2); | |
376fb868 DA |
1409 | if (!l1 || !l2) { |
1410 | free(a1); | |
1411 | free(a2); | |
1412 | return 0; | |
1413 | } | |
aba5acdf SH |
1414 | if (!(a = malloc(l1+l2+4))) abort(); |
1415 | memcpy(a, a1, l1); | |
1416 | memcpy(a+l1+4, a2, l2); | |
1417 | free(a1); free(a2); | |
acd1e437 | 1418 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, l2+4 }; |
aba5acdf SH |
1419 | *bytecode = a; |
1420 | return l1+l2+4; | |
1421 | } | |
1422 | case SSF_NOT: | |
1423 | { | |
376fb868 | 1424 | char *a1 = NULL, *a; |
2a4fa1c3 | 1425 | int l1; |
acd1e437 | 1426 | |
aba5acdf | 1427 | l1 = ssfilter_bytecompile(f->pred, &a1); |
376fb868 DA |
1428 | if (!l1) { |
1429 | free(a1); | |
1430 | return 0; | |
1431 | } | |
aba5acdf SH |
1432 | if (!(a = malloc(l1+4))) abort(); |
1433 | memcpy(a, a1, l1); | |
1434 | free(a1); | |
acd1e437 | 1435 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, 8 }; |
aba5acdf SH |
1436 | *bytecode = a; |
1437 | return l1+4; | |
2d293212 DA |
1438 | } |
1439 | case SSF_DEVCOND: | |
1440 | { | |
1441 | /* bytecompile for SSF_DEVCOND not supported yet */ | |
1442 | return 0; | |
ec75249b LC |
1443 | } |
1444 | case SSF_MARKMASK: | |
1445 | { | |
1446 | struct aafilter *a = (void *)f->pred; | |
1447 | struct instr { | |
1448 | struct inet_diag_bc_op op; | |
1449 | struct inet_diag_markcond cond; | |
1450 | }; | |
1451 | int inslen = sizeof(struct instr); | |
1452 | ||
1453 | if (!(*bytecode = malloc(inslen))) abort(); | |
1454 | ((struct instr *)*bytecode)[0] = (struct instr) { | |
1455 | { INET_DIAG_BC_MARK_COND, inslen, inslen + 4 }, | |
1456 | { a->mark, a->mask}, | |
1457 | }; | |
1458 | ||
1459 | return inslen; | |
aba5acdf SH |
1460 | } |
1461 | default: | |
1462 | abort(); | |
1463 | } | |
1464 | } | |
1465 | ||
b4b0b7d5 | 1466 | static int remember_he(struct aafilter *a, struct hostent *he) |
aba5acdf | 1467 | { |
ae665a52 | 1468 | char **ptr = he->h_addr_list; |
aba5acdf SH |
1469 | int cnt = 0; |
1470 | int len; | |
1471 | ||
1472 | if (he->h_addrtype == AF_INET) | |
1473 | len = 4; | |
1474 | else if (he->h_addrtype == AF_INET6) | |
1475 | len = 16; | |
1476 | else | |
1477 | return 0; | |
1478 | ||
1479 | while (*ptr) { | |
1480 | struct aafilter *b = a; | |
acd1e437 | 1481 | |
aba5acdf SH |
1482 | if (a->addr.bitlen) { |
1483 | if ((b = malloc(sizeof(*b))) == NULL) | |
1484 | return cnt; | |
1485 | *b = *a; | |
aba5acdf SH |
1486 | a->next = b; |
1487 | } | |
1488 | memcpy(b->addr.data, *ptr, len); | |
1489 | b->addr.bytelen = len; | |
1490 | b->addr.bitlen = len*8; | |
1491 | b->addr.family = he->h_addrtype; | |
1492 | ptr++; | |
1493 | cnt++; | |
1494 | } | |
1495 | return cnt; | |
1496 | } | |
1497 | ||
b4b0b7d5 | 1498 | static int get_dns_host(struct aafilter *a, const char *addr, int fam) |
aba5acdf SH |
1499 | { |
1500 | static int notfirst; | |
1501 | int cnt = 0; | |
1502 | struct hostent *he; | |
1503 | ||
1504 | a->addr.bitlen = 0; | |
1505 | if (!notfirst) { | |
1506 | sethostent(1); | |
1507 | notfirst = 1; | |
1508 | } | |
1509 | he = gethostbyname2(addr, fam == AF_UNSPEC ? AF_INET : fam); | |
1510 | if (he) | |
1511 | cnt = remember_he(a, he); | |
1512 | if (fam == AF_UNSPEC) { | |
1513 | he = gethostbyname2(addr, AF_INET6); | |
1514 | if (he) | |
1515 | cnt += remember_he(a, he); | |
1516 | } | |
1517 | return !cnt; | |
1518 | } | |
1519 | ||
acd1e437 | 1520 | static int xll_initted; |
aba5acdf | 1521 | |
b4b0b7d5 | 1522 | static void xll_init(void) |
aba5acdf SH |
1523 | { |
1524 | struct rtnl_handle rth; | |
acd1e437 | 1525 | |
d2468da0 SH |
1526 | if (rtnl_open(&rth, 0) < 0) |
1527 | exit(1); | |
1528 | ||
aba5acdf SH |
1529 | ll_init_map(&rth); |
1530 | rtnl_close(&rth); | |
1531 | xll_initted = 1; | |
1532 | } | |
1533 | ||
b4b0b7d5 | 1534 | static const char *xll_index_to_name(int index) |
aba5acdf SH |
1535 | { |
1536 | if (!xll_initted) | |
1537 | xll_init(); | |
1538 | return ll_index_to_name(index); | |
1539 | } | |
1540 | ||
b4b0b7d5 | 1541 | static int xll_name_to_index(const char *dev) |
aba5acdf SH |
1542 | { |
1543 | if (!xll_initted) | |
1544 | xll_init(); | |
1545 | return ll_name_to_index(dev); | |
1546 | } | |
1547 | ||
2d293212 DA |
1548 | void *parse_devcond(char *name) |
1549 | { | |
1550 | struct aafilter a = { .iface = 0 }; | |
1551 | struct aafilter *res; | |
1552 | ||
1553 | a.iface = xll_name_to_index(name); | |
1554 | if (a.iface == 0) { | |
1555 | char *end; | |
930d3f28 | 1556 | unsigned long n; |
2d293212 | 1557 | |
930d3f28 DA |
1558 | n = strtoul(name, &end, 0); |
1559 | if (!end || end == name || *end || n > UINT_MAX) | |
2d293212 | 1560 | return NULL; |
930d3f28 DA |
1561 | |
1562 | a.iface = n; | |
2d293212 DA |
1563 | } |
1564 | ||
1565 | res = malloc(sizeof(*res)); | |
1566 | *res = a; | |
1567 | ||
1568 | return res; | |
1569 | } | |
1570 | ||
c759116a SH |
1571 | static void vsock_set_inet_prefix(inet_prefix *a, __u32 cid) |
1572 | { | |
1573 | *a = (inet_prefix){ | |
1574 | .bytelen = sizeof(cid), | |
1575 | .family = AF_VSOCK, | |
1576 | }; | |
1577 | memcpy(a->data, &cid, sizeof(cid)); | |
1578 | } | |
1579 | ||
7871f7db | 1580 | void *parse_hostcond(char *addr, bool is_port) |
aba5acdf SH |
1581 | { |
1582 | char *port = NULL; | |
1527a17e | 1583 | struct aafilter a = { .port = -1 }; |
aba5acdf | 1584 | struct aafilter *res; |
1527a17e | 1585 | int fam = preferred_family; |
9db7bf15 | 1586 | struct filter *f = ¤t_filter; |
aba5acdf | 1587 | |
1527a17e | 1588 | if (fam == AF_UNIX || strncmp(addr, "unix:", 5) == 0) { |
aba5acdf | 1589 | char *p; |
acd1e437 | 1590 | |
aba5acdf SH |
1591 | a.addr.family = AF_UNIX; |
1592 | if (strncmp(addr, "unix:", 5) == 0) | |
acd1e437 | 1593 | addr += 5; |
aba5acdf SH |
1594 | p = strdup(addr); |
1595 | a.addr.bitlen = 8*strlen(p); | |
99bb68ff | 1596 | memcpy(a.addr.data, &p, sizeof(p)); |
9db7bf15 | 1597 | fam = AF_UNIX; |
aba5acdf SH |
1598 | goto out; |
1599 | } | |
1600 | ||
1527a17e | 1601 | if (fam == AF_PACKET || strncmp(addr, "link:", 5) == 0) { |
aba5acdf SH |
1602 | a.addr.family = AF_PACKET; |
1603 | a.addr.bitlen = 0; | |
1604 | if (strncmp(addr, "link:", 5) == 0) | |
acd1e437 | 1605 | addr += 5; |
aba5acdf SH |
1606 | port = strchr(addr, ':'); |
1607 | if (port) { | |
1608 | *port = 0; | |
1609 | if (port[1] && strcmp(port+1, "*")) { | |
1610 | if (get_integer(&a.port, port+1, 0)) { | |
1611 | if ((a.port = xll_name_to_index(port+1)) <= 0) | |
1612 | return NULL; | |
1613 | } | |
1614 | } | |
1615 | } | |
1616 | if (addr[0] && strcmp(addr, "*")) { | |
1617 | unsigned short tmp; | |
acd1e437 | 1618 | |
aba5acdf SH |
1619 | a.addr.bitlen = 32; |
1620 | if (ll_proto_a2n(&tmp, addr)) | |
1621 | return NULL; | |
1622 | a.addr.data[0] = ntohs(tmp); | |
1623 | } | |
9db7bf15 | 1624 | fam = AF_PACKET; |
aba5acdf SH |
1625 | goto out; |
1626 | } | |
1627 | ||
1527a17e | 1628 | if (fam == AF_NETLINK || strncmp(addr, "netlink:", 8) == 0) { |
aba5acdf SH |
1629 | a.addr.family = AF_NETLINK; |
1630 | a.addr.bitlen = 0; | |
1631 | if (strncmp(addr, "netlink:", 8) == 0) | |
acd1e437 | 1632 | addr += 8; |
aba5acdf SH |
1633 | port = strchr(addr, ':'); |
1634 | if (port) { | |
1635 | *port = 0; | |
1636 | if (port[1] && strcmp(port+1, "*")) { | |
1637 | if (get_integer(&a.port, port+1, 0)) { | |
1638 | if (strcmp(port+1, "kernel") == 0) | |
1639 | a.port = 0; | |
1640 | else | |
1641 | return NULL; | |
1642 | } | |
1643 | } | |
1644 | } | |
1645 | if (addr[0] && strcmp(addr, "*")) { | |
1646 | a.addr.bitlen = 32; | |
b00daf6a | 1647 | if (nl_proto_a2n(&a.addr.data[0], addr) == -1) |
1648 | return NULL; | |
aba5acdf | 1649 | } |
9db7bf15 | 1650 | fam = AF_NETLINK; |
aba5acdf SH |
1651 | goto out; |
1652 | } | |
1653 | ||
c759116a SH |
1654 | if (fam == AF_VSOCK || strncmp(addr, "vsock:", 6) == 0) { |
1655 | __u32 cid = ~(__u32)0; | |
1656 | ||
1657 | a.addr.family = AF_VSOCK; | |
1658 | if (strncmp(addr, "vsock:", 6) == 0) | |
1659 | addr += 6; | |
1660 | ||
1661 | if (is_port) | |
1662 | port = addr; | |
1663 | else { | |
1664 | port = strchr(addr, ':'); | |
1665 | if (port) { | |
1666 | *port = '\0'; | |
1667 | port++; | |
1668 | } | |
1669 | } | |
1670 | ||
1671 | if (port && strcmp(port, "*") && | |
1672 | get_u32((__u32 *)&a.port, port, 0)) | |
1673 | return NULL; | |
1674 | ||
1675 | if (addr[0] && strcmp(addr, "*")) { | |
1676 | a.addr.bitlen = 32; | |
1677 | if (get_u32(&cid, addr, 0)) | |
1678 | return NULL; | |
1679 | } | |
1680 | vsock_set_inet_prefix(&a.addr, cid); | |
1681 | fam = AF_VSOCK; | |
1682 | goto out; | |
1683 | } | |
1684 | ||
1527a17e | 1685 | if (fam == AF_INET || !strncmp(addr, "inet:", 5)) { |
aba5acdf | 1686 | fam = AF_INET; |
1527a17e VK |
1687 | if (!strncmp(addr, "inet:", 5)) |
1688 | addr += 5; | |
1689 | } else if (fam == AF_INET6 || !strncmp(addr, "inet6:", 6)) { | |
aba5acdf | 1690 | fam = AF_INET6; |
1527a17e VK |
1691 | if (!strncmp(addr, "inet6:", 6)) |
1692 | addr += 6; | |
aba5acdf SH |
1693 | } |
1694 | ||
1695 | /* URL-like literal [] */ | |
1696 | if (addr[0] == '[') { | |
1697 | addr++; | |
1698 | if ((port = strchr(addr, ']')) == NULL) | |
1699 | return NULL; | |
1700 | *port++ = 0; | |
1701 | } else if (addr[0] == '*') { | |
1702 | port = addr+1; | |
1703 | } else { | |
1704 | port = strrchr(strchr(addr, '/') ? : addr, ':'); | |
1705 | } | |
7871f7db VK |
1706 | |
1707 | if (is_port) | |
1708 | port = addr; | |
1709 | ||
aba5acdf | 1710 | if (port && *port) { |
7871f7db VK |
1711 | if (*port == ':') |
1712 | *port++ = 0; | |
1713 | ||
aba5acdf SH |
1714 | if (*port && *port != '*') { |
1715 | if (get_integer(&a.port, port, 0)) { | |
1716 | struct servent *se1 = NULL; | |
1717 | struct servent *se2 = NULL; | |
acd1e437 | 1718 | |
aba5acdf SH |
1719 | if (current_filter.dbs&(1<<UDP_DB)) |
1720 | se1 = getservbyname(port, UDP_PROTO); | |
1721 | if (current_filter.dbs&(1<<TCP_DB)) | |
1722 | se2 = getservbyname(port, TCP_PROTO); | |
1723 | if (se1 && se2 && se1->s_port != se2->s_port) { | |
1724 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); | |
1725 | return NULL; | |
1726 | } | |
1727 | if (!se1) | |
1728 | se1 = se2; | |
1729 | if (se1) { | |
1730 | a.port = ntohs(se1->s_port); | |
1731 | } else { | |
1732 | struct scache *s; | |
acd1e437 | 1733 | |
aba5acdf SH |
1734 | for (s = rlist; s; s = s->next) { |
1735 | if ((s->proto == UDP_PROTO && | |
1736 | (current_filter.dbs&(1<<UDP_DB))) || | |
1737 | (s->proto == TCP_PROTO && | |
1738 | (current_filter.dbs&(1<<TCP_DB)))) { | |
1739 | if (s->name && strcmp(s->name, port) == 0) { | |
1740 | if (a.port > 0 && a.port != s->port) { | |
1741 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); | |
1742 | return NULL; | |
1743 | } | |
1744 | a.port = s->port; | |
1745 | } | |
1746 | } | |
1747 | } | |
1748 | if (a.port <= 0) { | |
1749 | fprintf(stderr, "Error: \"%s\" does not look like a port.\n", port); | |
1750 | return NULL; | |
1751 | } | |
1752 | } | |
1753 | } | |
1754 | } | |
1755 | } | |
44448a90 | 1756 | if (!is_port && *addr && *addr != '*') { |
aba5acdf SH |
1757 | if (get_prefix_1(&a.addr, addr, fam)) { |
1758 | if (get_dns_host(&a, addr, fam)) { | |
1759 | fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", addr); | |
1760 | return NULL; | |
1761 | } | |
1762 | } | |
1763 | } | |
1764 | ||
9db7bf15 | 1765 | out: |
1527a17e | 1766 | if (fam != AF_UNSPEC) { |
e56a959e | 1767 | int states = f->states; |
1527a17e | 1768 | f->families = 0; |
9db7bf15 | 1769 | filter_af_set(f, fam); |
e56a959e | 1770 | filter_states_set(f, states); |
1527a17e | 1771 | } |
9db7bf15 | 1772 | |
aba5acdf SH |
1773 | res = malloc(sizeof(*res)); |
1774 | if (res) | |
1775 | memcpy(res, &a, sizeof(a)); | |
1776 | return res; | |
1777 | } | |
1778 | ||
ec75249b LC |
1779 | void *parse_markmask(const char *markmask) |
1780 | { | |
1781 | struct aafilter a, *res; | |
1782 | ||
1783 | if (strchr(markmask, '/')) { | |
1784 | if (sscanf(markmask, "%i/%i", &a.mark, &a.mask) != 2) | |
1785 | return NULL; | |
1786 | } else { | |
1787 | a.mask = 0xffffffff; | |
1788 | if (sscanf(markmask, "%i", &a.mark) != 1) | |
1789 | return NULL; | |
1790 | } | |
1791 | ||
1792 | res = malloc(sizeof(*res)); | |
1793 | if (res) | |
1794 | memcpy(res, &a, sizeof(a)); | |
1795 | return res; | |
1796 | } | |
1797 | ||
5f27ac1d | 1798 | static void proc_ctx_print(struct sockstat *s) |
8250bc9f | 1799 | { |
5f27ac1d | 1800 | char *buf; |
8250bc9f | 1801 | |
8250bc9f VK |
1802 | if (show_proc_ctx || show_sock_ctx) { |
1803 | if (find_entry(s->ino, &buf, | |
1804 | (show_proc_ctx & show_sock_ctx) ? | |
1805 | PROC_SOCK_CTX : PROC_CTX) > 0) { | |
90351722 | 1806 | out(" users:(%s)", buf); |
8250bc9f VK |
1807 | free(buf); |
1808 | } | |
1809 | } else if (show_users) { | |
1810 | if (find_entry(s->ino, &buf, USERS) > 0) { | |
90351722 | 1811 | out(" users:(%s)", buf); |
8250bc9f VK |
1812 | free(buf); |
1813 | } | |
1814 | } | |
1815 | } | |
1816 | ||
1267c0b9 | 1817 | static void inet_stats_print(struct sockstat *s, bool v6only) |
5f27ac1d PS |
1818 | { |
1819 | sock_state_print(s); | |
1820 | ||
1267c0b9 PS |
1821 | inet_addr_print(&s->local, s->lport, s->iface, v6only); |
1822 | inet_addr_print(&s->remote, s->rport, 0, v6only); | |
5f27ac1d PS |
1823 | |
1824 | proc_ctx_print(s); | |
1825 | } | |
1826 | ||
055840f2 | 1827 | static int proc_parse_inet_addr(char *loc, char *rem, int family, struct |
acd1e437 | 1828 | sockstat * s) |
8250bc9f VK |
1829 | { |
1830 | s->local.family = s->remote.family = family; | |
1831 | if (family == AF_INET) { | |
acd1e437 SH |
1832 | sscanf(loc, "%x:%x", s->local.data, (unsigned *)&s->lport); |
1833 | sscanf(rem, "%x:%x", s->remote.data, (unsigned *)&s->rport); | |
8250bc9f VK |
1834 | s->local.bytelen = s->remote.bytelen = 4; |
1835 | return 0; | |
1836 | } else { | |
1837 | sscanf(loc, "%08x%08x%08x%08x:%x", | |
1838 | s->local.data, | |
1839 | s->local.data + 1, | |
1840 | s->local.data + 2, | |
1841 | s->local.data + 3, | |
1842 | &s->lport); | |
1843 | sscanf(rem, "%08x%08x%08x%08x:%x", | |
1844 | s->remote.data, | |
1845 | s->remote.data + 1, | |
1846 | s->remote.data + 2, | |
1847 | s->remote.data + 3, | |
1848 | &s->rport); | |
1849 | s->local.bytelen = s->remote.bytelen = 16; | |
1850 | return 0; | |
1851 | } | |
1852 | return -1; | |
1853 | } | |
1854 | ||
1855 | static int proc_inet_split_line(char *line, char **loc, char **rem, char **data) | |
aba5acdf | 1856 | { |
aba5acdf | 1857 | char *p; |
ae665a52 | 1858 | |
aba5acdf SH |
1859 | if ((p = strchr(line, ':')) == NULL) |
1860 | return -1; | |
ae665a52 | 1861 | |
8250bc9f VK |
1862 | *loc = p+2; |
1863 | if ((p = strchr(*loc, ':')) == NULL) | |
aba5acdf | 1864 | return -1; |
ae665a52 | 1865 | |
8250bc9f VK |
1866 | p[5] = 0; |
1867 | *rem = p+6; | |
1868 | if ((p = strchr(*rem, ':')) == NULL) | |
aba5acdf | 1869 | return -1; |
8250bc9f | 1870 | |
aba5acdf | 1871 | p[5] = 0; |
8250bc9f VK |
1872 | *data = p+6; |
1873 | return 0; | |
1874 | } | |
ae665a52 | 1875 | |
8250bc9f VK |
1876 | static char *sprint_bw(char *buf, double bw) |
1877 | { | |
1878 | if (bw > 1000000.) | |
acd1e437 | 1879 | sprintf(buf, "%.1fM", bw / 1000000.); |
8250bc9f | 1880 | else if (bw > 1000.) |
acd1e437 | 1881 | sprintf(buf, "%.1fK", bw / 1000.); |
8250bc9f VK |
1882 | else |
1883 | sprintf(buf, "%g", bw); | |
aba5acdf | 1884 | |
8250bc9f VK |
1885 | return buf; |
1886 | } | |
ae665a52 | 1887 | |
f89d46ad PS |
1888 | static void sctp_stats_print(struct sctp_info *s) |
1889 | { | |
1890 | if (s->sctpi_tag) | |
90351722 | 1891 | out(" tag:%x", s->sctpi_tag); |
f89d46ad | 1892 | if (s->sctpi_state) |
90351722 | 1893 | out(" state:%s", sctp_sstate_name[s->sctpi_state]); |
f89d46ad | 1894 | if (s->sctpi_rwnd) |
90351722 | 1895 | out(" rwnd:%d", s->sctpi_rwnd); |
f89d46ad | 1896 | if (s->sctpi_unackdata) |
90351722 | 1897 | out(" unackdata:%d", s->sctpi_unackdata); |
f89d46ad | 1898 | if (s->sctpi_penddata) |
90351722 | 1899 | out(" penddata:%d", s->sctpi_penddata); |
f89d46ad | 1900 | if (s->sctpi_instrms) |
90351722 | 1901 | out(" instrms:%d", s->sctpi_instrms); |
f89d46ad | 1902 | if (s->sctpi_outstrms) |
90351722 | 1903 | out(" outstrms:%d", s->sctpi_outstrms); |
f89d46ad | 1904 | if (s->sctpi_inqueue) |
90351722 | 1905 | out(" inqueue:%d", s->sctpi_inqueue); |
f89d46ad | 1906 | if (s->sctpi_outqueue) |
90351722 | 1907 | out(" outqueue:%d", s->sctpi_outqueue); |
f89d46ad | 1908 | if (s->sctpi_overall_error) |
90351722 | 1909 | out(" overerr:%d", s->sctpi_overall_error); |
f89d46ad | 1910 | if (s->sctpi_max_burst) |
90351722 | 1911 | out(" maxburst:%d", s->sctpi_max_burst); |
f89d46ad | 1912 | if (s->sctpi_maxseg) |
90351722 | 1913 | out(" maxseg:%d", s->sctpi_maxseg); |
f89d46ad | 1914 | if (s->sctpi_peer_rwnd) |
90351722 | 1915 | out(" prwnd:%d", s->sctpi_peer_rwnd); |
f89d46ad | 1916 | if (s->sctpi_peer_tag) |
90351722 | 1917 | out(" ptag:%x", s->sctpi_peer_tag); |
f89d46ad | 1918 | if (s->sctpi_peer_capable) |
90351722 | 1919 | out(" pcapable:%d", s->sctpi_peer_capable); |
f89d46ad | 1920 | if (s->sctpi_peer_sack) |
90351722 | 1921 | out(" psack:%d", s->sctpi_peer_sack); |
f89d46ad | 1922 | if (s->sctpi_s_autoclose) |
90351722 | 1923 | out(" autoclose:%d", s->sctpi_s_autoclose); |
f89d46ad | 1924 | if (s->sctpi_s_adaptation_ind) |
90351722 | 1925 | out(" adapind:%d", s->sctpi_s_adaptation_ind); |
f89d46ad | 1926 | if (s->sctpi_s_pd_point) |
90351722 | 1927 | out(" pdpoint:%d", s->sctpi_s_pd_point); |
f89d46ad | 1928 | if (s->sctpi_s_nodelay) |
90351722 | 1929 | out(" nodealy:%d", s->sctpi_s_nodelay); |
f89d46ad | 1930 | if (s->sctpi_s_disable_fragments) |
90351722 | 1931 | out(" nofrag:%d", s->sctpi_s_disable_fragments); |
f89d46ad | 1932 | if (s->sctpi_s_v4mapped) |
90351722 | 1933 | out(" v4mapped:%d", s->sctpi_s_v4mapped); |
f89d46ad | 1934 | if (s->sctpi_s_frag_interleave) |
90351722 | 1935 | out(" fraginl:%d", s->sctpi_s_frag_interleave); |
f89d46ad PS |
1936 | } |
1937 | ||
8250bc9f VK |
1938 | static void tcp_stats_print(struct tcpstat *s) |
1939 | { | |
1940 | char b1[64]; | |
1941 | ||
1942 | if (s->has_ts_opt) | |
90351722 | 1943 | out(" ts"); |
8250bc9f | 1944 | if (s->has_sack_opt) |
90351722 | 1945 | out(" sack"); |
8250bc9f | 1946 | if (s->has_ecn_opt) |
90351722 | 1947 | out(" ecn"); |
8250bc9f | 1948 | if (s->has_ecnseen_opt) |
90351722 | 1949 | out(" ecnseen"); |
8250bc9f | 1950 | if (s->has_fastopen_opt) |
90351722 | 1951 | out(" fastopen"); |
d2055ea5 | 1952 | if (s->cong_alg[0]) |
90351722 | 1953 | out(" %s", s->cong_alg); |
8250bc9f | 1954 | if (s->has_wscale_opt) |
90351722 | 1955 | out(" wscale:%d,%d", s->snd_wscale, s->rcv_wscale); |
8250bc9f | 1956 | if (s->rto) |
90351722 | 1957 | out(" rto:%g", s->rto); |
8250bc9f | 1958 | if (s->backoff) |
90351722 | 1959 | out(" backoff:%u", s->backoff); |
8250bc9f | 1960 | if (s->rtt) |
90351722 | 1961 | out(" rtt:%g/%g", s->rtt, s->rttvar); |
8250bc9f | 1962 | if (s->ato) |
90351722 | 1963 | out(" ato:%g", s->ato); |
8250bc9f VK |
1964 | |
1965 | if (s->qack) | |
90351722 | 1966 | out(" qack:%d", s->qack); |
8250bc9f | 1967 | if (s->qack & 1) |
90351722 | 1968 | out(" bidir"); |
8250bc9f VK |
1969 | |
1970 | if (s->mss) | |
90351722 | 1971 | out(" mss:%d", s->mss); |
38e6dbc4 | 1972 | if (s->rcv_mss) |
90351722 | 1973 | out(" rcvmss:%d", s->rcv_mss); |
38e6dbc4 | 1974 | if (s->advmss) |
90351722 | 1975 | out(" advmss:%d", s->advmss); |
3bf5445c | 1976 | if (s->cwnd) |
90351722 | 1977 | out(" cwnd:%u", s->cwnd); |
8250bc9f | 1978 | if (s->ssthresh) |
90351722 | 1979 | out(" ssthresh:%d", s->ssthresh); |
8250bc9f | 1980 | |
1a4dda71 | 1981 | if (s->bytes_acked) |
90351722 | 1982 | out(" bytes_acked:%llu", s->bytes_acked); |
1a4dda71 | 1983 | if (s->bytes_received) |
90351722 | 1984 | out(" bytes_received:%llu", s->bytes_received); |
ecb435ea | 1985 | if (s->segs_out) |
90351722 | 1986 | out(" segs_out:%u", s->segs_out); |
ecb435ea | 1987 | if (s->segs_in) |
90351722 | 1988 | out(" segs_in:%u", s->segs_in); |
414aeec9 | 1989 | if (s->data_segs_out) |
90351722 | 1990 | out(" data_segs_out:%u", s->data_segs_out); |
414aeec9 | 1991 | if (s->data_segs_in) |
90351722 | 1992 | out(" data_segs_in:%u", s->data_segs_in); |
1a4dda71 | 1993 | |
8250bc9f VK |
1994 | if (s->dctcp && s->dctcp->enabled) { |
1995 | struct dctcpstat *dctcp = s->dctcp; | |
1996 | ||
90351722 SB |
1997 | out(" dctcp:(ce_state:%u,alpha:%u,ab_ecn:%u,ab_tot:%u)", |
1998 | dctcp->ce_state, dctcp->alpha, dctcp->ab_ecn, | |
1999 | dctcp->ab_tot); | |
8250bc9f | 2000 | } else if (s->dctcp) { |
90351722 | 2001 | out(" dctcp:fallback_mode"); |
8250bc9f VK |
2002 | } |
2003 | ||
2f0f9aef NC |
2004 | if (s->bbr_info) { |
2005 | __u64 bw; | |
2006 | ||
2007 | bw = s->bbr_info->bbr_bw_hi; | |
2008 | bw <<= 32; | |
2009 | bw |= s->bbr_info->bbr_bw_lo; | |
2010 | ||
90351722 SB |
2011 | out(" bbr:(bw:%sbps,mrtt:%g", |
2012 | sprint_bw(b1, bw * 8.0), | |
2013 | (double)s->bbr_info->bbr_min_rtt / 1000.0); | |
2f0f9aef | 2014 | if (s->bbr_info->bbr_pacing_gain) |
90351722 SB |
2015 | out(",pacing_gain:%g", |
2016 | (double)s->bbr_info->bbr_pacing_gain / 256.0); | |
2f0f9aef | 2017 | if (s->bbr_info->bbr_cwnd_gain) |
90351722 SB |
2018 | out(",cwnd_gain:%g", |
2019 | (double)s->bbr_info->bbr_cwnd_gain / 256.0); | |
2020 | out(")"); | |
2f0f9aef NC |
2021 | } |
2022 | ||
8250bc9f | 2023 | if (s->send_bps) |
90351722 | 2024 | out(" send %sbps", sprint_bw(b1, s->send_bps)); |
8250bc9f | 2025 | if (s->lastsnd) |
90351722 | 2026 | out(" lastsnd:%u", s->lastsnd); |
8250bc9f | 2027 | if (s->lastrcv) |
90351722 | 2028 | out(" lastrcv:%u", s->lastrcv); |
8250bc9f | 2029 | if (s->lastack) |
90351722 | 2030 | out(" lastack:%u", s->lastack); |
8250bc9f VK |
2031 | |
2032 | if (s->pacing_rate) { | |
90351722 | 2033 | out(" pacing_rate %sbps", sprint_bw(b1, s->pacing_rate)); |
8250bc9f | 2034 | if (s->pacing_rate_max) |
90351722 | 2035 | out("/%sbps", sprint_bw(b1, s->pacing_rate_max)); |
8250bc9f VK |
2036 | } |
2037 | ||
2f579872 | 2038 | if (s->delivery_rate) |
90351722 | 2039 | out(" delivery_rate %sbps", sprint_bw(b1, s->delivery_rate)); |
2f579872 | 2040 | if (s->app_limited) |
90351722 | 2041 | out(" app_limited"); |
2f579872 | 2042 | |
b6c7fc61 | 2043 | if (s->busy_time) { |
90351722 | 2044 | out(" busy:%llums", s->busy_time / 1000); |
b6c7fc61 | 2045 | if (s->rwnd_limited) |
90351722 SB |
2046 | out(" rwnd_limited:%llums(%.1f%%)", |
2047 | s->rwnd_limited / 1000, | |
2048 | 100.0 * s->rwnd_limited / s->busy_time); | |
b6c7fc61 | 2049 | if (s->sndbuf_limited) |
90351722 SB |
2050 | out(" sndbuf_limited:%llums(%.1f%%)", |
2051 | s->sndbuf_limited / 1000, | |
2052 | 100.0 * s->sndbuf_limited / s->busy_time); | |
b6c7fc61 YC |
2053 | } |
2054 | ||
8250bc9f | 2055 | if (s->unacked) |
90351722 | 2056 | out(" unacked:%u", s->unacked); |
8250bc9f | 2057 | if (s->retrans || s->retrans_total) |
90351722 | 2058 | out(" retrans:%u/%u", s->retrans, s->retrans_total); |
8250bc9f | 2059 | if (s->lost) |
90351722 | 2060 | out(" lost:%u", s->lost); |
055840f2 | 2061 | if (s->sacked && s->ss.state != SS_LISTEN) |
90351722 | 2062 | out(" sacked:%u", s->sacked); |
8250bc9f | 2063 | if (s->fackets) |
90351722 | 2064 | out(" fackets:%u", s->fackets); |
8250bc9f | 2065 | if (s->reordering != 3) |
90351722 | 2066 | out(" reordering:%d", s->reordering); |
8250bc9f | 2067 | if (s->rcv_rtt) |
90351722 | 2068 | out(" rcv_rtt:%g", s->rcv_rtt); |
8250bc9f | 2069 | if (s->rcv_space) |
90351722 | 2070 | out(" rcv_space:%d", s->rcv_space); |
00ac78d3 | 2071 | if (s->rcv_ssthresh) |
90351722 | 2072 | out(" rcv_ssthresh:%u", s->rcv_ssthresh); |
9e99e495 | 2073 | if (s->not_sent) |
90351722 | 2074 | out(" notsent:%u", s->not_sent); |
9e99e495 | 2075 | if (s->min_rtt) |
90351722 | 2076 | out(" minrtt:%g", s->min_rtt); |
8250bc9f VK |
2077 | } |
2078 | ||
055840f2 VK |
2079 | static void tcp_timer_print(struct tcpstat *s) |
2080 | { | |
86dfa1be PS |
2081 | static const char * const tmr_name[] = { |
2082 | "off", | |
2083 | "on", | |
2084 | "keepalive", | |
2085 | "timewait", | |
2086 | "persist", | |
2087 | "unknown" | |
2088 | }; | |
2089 | ||
055840f2 VK |
2090 | if (s->timer) { |
2091 | if (s->timer > 4) | |
2092 | s->timer = 5; | |
90351722 SB |
2093 | out(" timer:(%s,%s,%d)", |
2094 | tmr_name[s->timer], | |
2095 | print_ms_timer(s->timeout), | |
2096 | s->retrans); | |
055840f2 VK |
2097 | } |
2098 | } | |
2099 | ||
f89d46ad PS |
2100 | static void sctp_timer_print(struct tcpstat *s) |
2101 | { | |
2102 | if (s->timer) | |
90351722 SB |
2103 | out(" timer:(T3_RTX,%s,%d)", |
2104 | print_ms_timer(s->timeout), s->retrans); | |
f89d46ad PS |
2105 | } |
2106 | ||
8250bc9f VK |
2107 | static int tcp_show_line(char *line, const struct filter *f, int family) |
2108 | { | |
2109 | int rto = 0, ato = 0; | |
2110 | struct tcpstat s = {}; | |
2111 | char *loc, *rem, *data; | |
2112 | char opt[256]; | |
2113 | int n; | |
2114 | int hz = get_user_hz(); | |
2115 | ||
2116 | if (proc_inet_split_line(line, &loc, &rem, &data)) | |
2117 | return -1; | |
2118 | ||
2119 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); | |
acd1e437 | 2120 | |
8250bc9f VK |
2121 | if (!(f->states & (1 << state))) |
2122 | return 0; | |
2123 | ||
055840f2 | 2124 | proc_parse_inet_addr(loc, rem, family, &s.ss); |
ae665a52 | 2125 | |
055840f2 | 2126 | if (f->f && run_ssfilter(f->f, &s.ss) == 0) |
aba5acdf | 2127 | return 0; |
ae665a52 | 2128 | |
aba5acdf | 2129 | opt[0] = 0; |
d1f338b3 | 2130 | n = sscanf(data, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %u %d %[^\n]\n", |
055840f2 VK |
2131 | &s.ss.state, &s.ss.wq, &s.ss.rq, |
2132 | &s.timer, &s.timeout, &s.retrans, &s.ss.uid, &s.probes, | |
2133 | &s.ss.ino, &s.ss.refcnt, &s.ss.sk, &rto, &ato, &s.qack, &s.cwnd, | |
2134 | &s.ssthresh, opt); | |
ae665a52 | 2135 | |
aba5acdf SH |
2136 | if (n < 17) |
2137 | opt[0] = 0; | |
ae665a52 | 2138 | |
aba5acdf | 2139 | if (n < 12) { |
8250bc9f | 2140 | rto = 0; |
aba5acdf SH |
2141 | s.cwnd = 2; |
2142 | s.ssthresh = -1; | |
8250bc9f | 2143 | ato = s.qack = 0; |
aba5acdf | 2144 | } |
ae665a52 | 2145 | |
8250bc9f VK |
2146 | s.retrans = s.timer != 1 ? s.probes : s.retrans; |
2147 | s.timeout = (s.timeout * 1000 + hz - 1) / hz; | |
2148 | s.ato = (double)ato / hz; | |
2149 | s.qack /= 2; | |
2150 | s.rto = (double)rto; | |
2151 | s.ssthresh = s.ssthresh == -1 ? 0 : s.ssthresh; | |
2152 | s.rto = s.rto != 3 * hz ? s.rto / hz : 0; | |
be7e4d20 | 2153 | s.ss.type = IPPROTO_TCP; |
ae665a52 | 2154 | |
1267c0b9 | 2155 | inet_stats_print(&s.ss, false); |
055840f2 VK |
2156 | |
2157 | if (show_options) | |
2158 | tcp_timer_print(&s); | |
116ac927 | 2159 | |
aba5acdf | 2160 | if (show_details) { |
f1b39e1b | 2161 | sock_details_print(&s.ss); |
aba5acdf | 2162 | if (opt[0]) |
90351722 | 2163 | out(" opt:\"%s\"", opt); |
aba5acdf | 2164 | } |
aba5acdf | 2165 | |
8250bc9f VK |
2166 | if (show_tcpinfo) |
2167 | tcp_stats_print(&s); | |
2168 | ||
90351722 | 2169 | out("\n"); |
aba5acdf SH |
2170 | return 0; |
2171 | } | |
2172 | ||
ab01dbbb SH |
2173 | static int generic_record_read(FILE *fp, |
2174 | int (*worker)(char*, const struct filter *, int), | |
2175 | const struct filter *f, int fam) | |
aba5acdf | 2176 | { |
ab01dbbb | 2177 | char line[256]; |
aba5acdf | 2178 | |
ab01dbbb SH |
2179 | /* skip header */ |
2180 | if (fgets(line, sizeof(line), fp) == NULL) | |
aba5acdf | 2181 | goto outerr; |
ab01dbbb SH |
2182 | |
2183 | while (fgets(line, sizeof(line), fp) != NULL) { | |
2184 | int n = strlen(line); | |
acd1e437 | 2185 | |
ab01dbbb SH |
2186 | if (n == 0 || line[n-1] != '\n') { |
2187 | errno = -EINVAL; | |
2188 | return -1; | |
aba5acdf | 2189 | } |
ab01dbbb | 2190 | line[n-1] = 0; |
aba5acdf | 2191 | |
ab01dbbb SH |
2192 | if (worker(line, f, fam) < 0) |
2193 | return 0; | |
2194 | } | |
aba5acdf | 2195 | outerr: |
ab01dbbb SH |
2196 | |
2197 | return ferror(fp) ? -1 : 0; | |
aba5acdf | 2198 | } |
ae665a52 | 2199 | |
51ff9f24 HFS |
2200 | static void print_skmeminfo(struct rtattr *tb[], int attrtype) |
2201 | { | |
2202 | const __u32 *skmeminfo; | |
db08bdb8 VK |
2203 | |
2204 | if (!tb[attrtype]) { | |
2205 | if (attrtype == INET_DIAG_SKMEMINFO) { | |
2206 | if (!tb[INET_DIAG_MEMINFO]) | |
2207 | return; | |
2208 | ||
2209 | const struct inet_diag_meminfo *minfo = | |
2210 | RTA_DATA(tb[INET_DIAG_MEMINFO]); | |
2211 | ||
90351722 SB |
2212 | out(" mem:(r%u,w%u,f%u,t%u)", |
2213 | minfo->idiag_rmem, | |
2214 | minfo->idiag_wmem, | |
2215 | minfo->idiag_fmem, | |
2216 | minfo->idiag_tmem); | |
db08bdb8 | 2217 | } |
51ff9f24 | 2218 | return; |
db08bdb8 VK |
2219 | } |
2220 | ||
51ff9f24 HFS |
2221 | skmeminfo = RTA_DATA(tb[attrtype]); |
2222 | ||
90351722 SB |
2223 | out(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u", |
2224 | skmeminfo[SK_MEMINFO_RMEM_ALLOC], | |
2225 | skmeminfo[SK_MEMINFO_RCVBUF], | |
2226 | skmeminfo[SK_MEMINFO_WMEM_ALLOC], | |
2227 | skmeminfo[SK_MEMINFO_SNDBUF], | |
2228 | skmeminfo[SK_MEMINFO_FWD_ALLOC], | |
2229 | skmeminfo[SK_MEMINFO_WMEM_QUEUED], | |
2230 | skmeminfo[SK_MEMINFO_OPTMEM]); | |
51ff9f24 HFS |
2231 | |
2232 | if (RTA_PAYLOAD(tb[attrtype]) >= | |
2233 | (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32)) | |
90351722 | 2234 | out(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]); |
51ff9f24 | 2235 | |
6df9c7a0 ED |
2236 | if (RTA_PAYLOAD(tb[attrtype]) >= |
2237 | (SK_MEMINFO_DROPS + 1) * sizeof(__u32)) | |
90351722 | 2238 | out(",d%u", skmeminfo[SK_MEMINFO_DROPS]); |
6df9c7a0 | 2239 | |
90351722 | 2240 | out(")"); |
51ff9f24 HFS |
2241 | } |
2242 | ||
da9cc6ab ID |
2243 | static void print_md5sig(struct tcp_diag_md5sig *sig) |
2244 | { | |
90351722 SB |
2245 | out("%s/%d=", |
2246 | format_host(sig->tcpm_family, | |
2247 | sig->tcpm_family == AF_INET6 ? 16 : 4, | |
2248 | &sig->tcpm_addr), | |
2249 | sig->tcpm_prefixlen); | |
da9cc6ab ID |
2250 | print_escape_buf(sig->tcpm_key, sig->tcpm_keylen, " ,"); |
2251 | } | |
2252 | ||
8250bc9f VK |
2253 | #define TCPI_HAS_OPT(info, opt) !!(info->tcpi_options & (opt)) |
2254 | ||
5b816047 PE |
2255 | static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, |
2256 | struct rtattr *tb[]) | |
7d105b56 | 2257 | { |
b4b0b7d5 | 2258 | double rtt = 0; |
8250bc9f | 2259 | struct tcpstat s = {}; |
7d105b56 | 2260 | |
055840f2 VK |
2261 | s.ss.state = r->idiag_state; |
2262 | ||
db08bdb8 | 2263 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); |
7d105b56 | 2264 | |
351efcde | 2265 | if (tb[INET_DIAG_INFO]) { |
05e18118 | 2266 | struct tcp_info *info; |
351efcde | 2267 | int len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); |
05e18118 SH |
2268 | |
2269 | /* workaround for older kernels with less fields */ | |
2270 | if (len < sizeof(*info)) { | |
2271 | info = alloca(sizeof(*info)); | |
351efcde | 2272 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); |
656e8fdd | 2273 | memset((char *)info + len, 0, sizeof(*info) - len); |
05e18118 | 2274 | } else |
351efcde | 2275 | info = RTA_DATA(tb[INET_DIAG_INFO]); |
05e18118 | 2276 | |
b4b0b7d5 | 2277 | if (show_options) { |
8250bc9f VK |
2278 | s.has_ts_opt = TCPI_HAS_OPT(info, TCPI_OPT_TIMESTAMPS); |
2279 | s.has_sack_opt = TCPI_HAS_OPT(info, TCPI_OPT_SACK); | |
2280 | s.has_ecn_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN); | |
2281 | s.has_ecnseen_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN_SEEN); | |
2282 | s.has_fastopen_opt = TCPI_HAS_OPT(info, TCPI_OPT_SYN_DATA); | |
b4b0b7d5 | 2283 | } |
52d5ac3f | 2284 | |
d2055ea5 ED |
2285 | if (tb[INET_DIAG_CONG]) |
2286 | strncpy(s.cong_alg, | |
2287 | rta_getattr_str(tb[INET_DIAG_CONG]), | |
2288 | sizeof(s.cong_alg) - 1); | |
8250bc9f VK |
2289 | |
2290 | if (TCPI_HAS_OPT(info, TCPI_OPT_WSCALE)) { | |
2291 | s.has_wscale_opt = true; | |
2292 | s.snd_wscale = info->tcpi_snd_wscale; | |
2293 | s.rcv_wscale = info->tcpi_rcv_wscale; | |
2294 | } | |
ea8fc104 | 2295 | |
7d105b56 | 2296 | if (info->tcpi_rto && info->tcpi_rto != 3000000) |
8250bc9f VK |
2297 | s.rto = (double)info->tcpi_rto / 1000; |
2298 | ||
2299 | s.backoff = info->tcpi_backoff; | |
2300 | s.rtt = (double)info->tcpi_rtt / 1000; | |
2301 | s.rttvar = (double)info->tcpi_rttvar / 1000; | |
11ba90fc | 2302 | s.ato = (double)info->tcpi_ato / 1000; |
8250bc9f | 2303 | s.mss = info->tcpi_snd_mss; |
38e6dbc4 ED |
2304 | s.rcv_mss = info->tcpi_rcv_mss; |
2305 | s.advmss = info->tcpi_advmss; | |
8250bc9f VK |
2306 | s.rcv_space = info->tcpi_rcv_space; |
2307 | s.rcv_rtt = (double)info->tcpi_rcv_rtt / 1000; | |
2308 | s.lastsnd = info->tcpi_last_data_sent; | |
2309 | s.lastrcv = info->tcpi_last_data_recv; | |
2310 | s.lastack = info->tcpi_last_ack_recv; | |
2311 | s.unacked = info->tcpi_unacked; | |
2312 | s.retrans = info->tcpi_retrans; | |
2313 | s.retrans_total = info->tcpi_total_retrans; | |
2314 | s.lost = info->tcpi_lost; | |
2315 | s.sacked = info->tcpi_sacked; | |
c4be5feb | 2316 | s.fackets = info->tcpi_fackets; |
8250bc9f | 2317 | s.reordering = info->tcpi_reordering; |
00ac78d3 | 2318 | s.rcv_ssthresh = info->tcpi_rcv_ssthresh; |
8250bc9f VK |
2319 | s.cwnd = info->tcpi_snd_cwnd; |
2320 | ||
7d105b56 | 2321 | if (info->tcpi_snd_ssthresh < 0xFFFF) |
8250bc9f | 2322 | s.ssthresh = info->tcpi_snd_ssthresh; |
52d5ac3f | 2323 | |
b4b0b7d5 | 2324 | rtt = (double) info->tcpi_rtt; |
351efcde | 2325 | if (tb[INET_DIAG_VEGASINFO]) { |
05e18118 | 2326 | const struct tcpvegas_info *vinfo |
351efcde | 2327 | = RTA_DATA(tb[INET_DIAG_VEGASINFO]); |
7d105b56 | 2328 | |
ae665a52 | 2329 | if (vinfo->tcpv_enabled && |
8250bc9f | 2330 | vinfo->tcpv_rtt && vinfo->tcpv_rtt != 0x7fffffff) |
ea8fc104 | 2331 | rtt = vinfo->tcpv_rtt; |
b4b0b7d5 SH |
2332 | } |
2333 | ||
907e1aca | 2334 | if (tb[INET_DIAG_DCTCPINFO]) { |
8250bc9f VK |
2335 | struct dctcpstat *dctcp = malloc(sizeof(struct |
2336 | dctcpstat)); | |
2337 | ||
907e1aca DB |
2338 | const struct tcp_dctcp_info *dinfo |
2339 | = RTA_DATA(tb[INET_DIAG_DCTCPINFO]); | |
2340 | ||
8250bc9f VK |
2341 | dctcp->enabled = !!dinfo->dctcp_enabled; |
2342 | dctcp->ce_state = dinfo->dctcp_ce_state; | |
2343 | dctcp->alpha = dinfo->dctcp_alpha; | |
2344 | dctcp->ab_ecn = dinfo->dctcp_ab_ecn; | |
2345 | dctcp->ab_tot = dinfo->dctcp_ab_tot; | |
2346 | s.dctcp = dctcp; | |
907e1aca DB |
2347 | } |
2348 | ||
2f0f9aef NC |
2349 | if (tb[INET_DIAG_BBRINFO]) { |
2350 | const void *bbr_info = RTA_DATA(tb[INET_DIAG_BBRINFO]); | |
2351 | int len = min(RTA_PAYLOAD(tb[INET_DIAG_BBRINFO]), | |
2352 | sizeof(*s.bbr_info)); | |
2353 | ||
2354 | s.bbr_info = calloc(1, sizeof(*s.bbr_info)); | |
2355 | if (s.bbr_info && bbr_info) | |
2356 | memcpy(s.bbr_info, bbr_info, len); | |
2357 | } | |
2358 | ||
b4b0b7d5 | 2359 | if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) { |
8250bc9f VK |
2360 | s.send_bps = (double) info->tcpi_snd_cwnd * |
2361 | (double)info->tcpi_snd_mss * 8000000. / rtt; | |
7d105b56 | 2362 | } |
b4b0b7d5 | 2363 | |
eb6028b2 | 2364 | if (info->tcpi_pacing_rate && |
8250bc9f VK |
2365 | info->tcpi_pacing_rate != ~0ULL) { |
2366 | s.pacing_rate = info->tcpi_pacing_rate * 8.; | |
eb6028b2 ED |
2367 | |
2368 | if (info->tcpi_max_pacing_rate && | |
8250bc9f VK |
2369 | info->tcpi_max_pacing_rate != ~0ULL) |
2370 | s.pacing_rate_max = info->tcpi_max_pacing_rate * 8.; | |
eb6028b2 | 2371 | } |
1a4dda71 ED |
2372 | s.bytes_acked = info->tcpi_bytes_acked; |
2373 | s.bytes_received = info->tcpi_bytes_received; | |
ecb435ea CG |
2374 | s.segs_out = info->tcpi_segs_out; |
2375 | s.segs_in = info->tcpi_segs_in; | |
414aeec9 MKL |
2376 | s.data_segs_out = info->tcpi_data_segs_out; |
2377 | s.data_segs_in = info->tcpi_data_segs_in; | |
9e99e495 | 2378 | s.not_sent = info->tcpi_notsent_bytes; |
d9ba887e ED |
2379 | if (info->tcpi_min_rtt && info->tcpi_min_rtt != ~0U) |
2380 | s.min_rtt = (double) info->tcpi_min_rtt / 1000; | |
2f579872 NC |
2381 | s.delivery_rate = info->tcpi_delivery_rate * 8.; |
2382 | s.app_limited = info->tcpi_delivery_rate_app_limited; | |
b6c7fc61 YC |
2383 | s.busy_time = info->tcpi_busy_time; |
2384 | s.rwnd_limited = info->tcpi_rwnd_limited; | |
2385 | s.sndbuf_limited = info->tcpi_sndbuf_limited; | |
8250bc9f | 2386 | tcp_stats_print(&s); |
92de1c2c | 2387 | free(s.dctcp); |
2f0f9aef | 2388 | free(s.bbr_info); |
77a8ca81 | 2389 | } |
da9cc6ab ID |
2390 | if (tb[INET_DIAG_MD5SIG]) { |
2391 | struct tcp_diag_md5sig *sig = RTA_DATA(tb[INET_DIAG_MD5SIG]); | |
2392 | int len = RTA_PAYLOAD(tb[INET_DIAG_MD5SIG]); | |
2393 | ||
90351722 | 2394 | out(" md5keys:"); |
da9cc6ab ID |
2395 | print_md5sig(sig++); |
2396 | for (len -= sizeof(*sig); len > 0; len -= sizeof(*sig)) { | |
90351722 | 2397 | out(","); |
da9cc6ab ID |
2398 | print_md5sig(sig++); |
2399 | } | |
2400 | } | |
77a8ca81 PE |
2401 | } |
2402 | ||
f89d46ad PS |
2403 | static const char *format_host_sa(struct sockaddr_storage *sa) |
2404 | { | |
2405 | union { | |
2406 | struct sockaddr_in sin; | |
2407 | struct sockaddr_in6 sin6; | |
2408 | } *saddr = (void *)sa; | |
2409 | ||
2410 | switch (sa->ss_family) { | |
2411 | case AF_INET: | |
2412 | return format_host(AF_INET, 4, &saddr->sin.sin_addr); | |
2413 | case AF_INET6: | |
2414 | return format_host(AF_INET6, 16, &saddr->sin6.sin6_addr); | |
2415 | default: | |
2416 | return ""; | |
2417 | } | |
2418 | } | |
2419 | ||
2420 | static void sctp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, | |
2421 | struct rtattr *tb[]) | |
2422 | { | |
2423 | struct sockaddr_storage *sa; | |
2424 | int len; | |
2425 | ||
2426 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); | |
2427 | ||
2428 | if (tb[INET_DIAG_LOCALS]) { | |
2429 | len = RTA_PAYLOAD(tb[INET_DIAG_LOCALS]); | |
2430 | sa = RTA_DATA(tb[INET_DIAG_LOCALS]); | |
2431 | ||
90351722 | 2432 | out("locals:%s", format_host_sa(sa)); |
f89d46ad | 2433 | for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa)) |
90351722 | 2434 | out(",%s", format_host_sa(sa)); |
f89d46ad PS |
2435 | |
2436 | } | |
2437 | if (tb[INET_DIAG_PEERS]) { | |
2438 | len = RTA_PAYLOAD(tb[INET_DIAG_PEERS]); | |
2439 | sa = RTA_DATA(tb[INET_DIAG_PEERS]); | |
2440 | ||
90351722 | 2441 | out(" peers:%s", format_host_sa(sa)); |
f89d46ad | 2442 | for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa)) |
90351722 | 2443 | out(",%s", format_host_sa(sa)); |
f89d46ad PS |
2444 | } |
2445 | if (tb[INET_DIAG_INFO]) { | |
2446 | struct sctp_info *info; | |
2447 | len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); | |
2448 | ||
2449 | /* workaround for older kernels with less fields */ | |
2450 | if (len < sizeof(*info)) { | |
2451 | info = alloca(sizeof(*info)); | |
2452 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); | |
2453 | memset((char *)info + len, 0, sizeof(*info) - len); | |
2454 | } else | |
2455 | info = RTA_DATA(tb[INET_DIAG_INFO]); | |
2456 | ||
2457 | sctp_stats_print(info); | |
2458 | } | |
2459 | } | |
2460 | ||
82d73ea0 | 2461 | static void parse_diag_msg(struct nlmsghdr *nlh, struct sockstat *s) |
aba5acdf | 2462 | { |
acd1e437 | 2463 | struct rtattr *tb[INET_DIAG_MAX+1]; |
351efcde | 2464 | struct inet_diag_msg *r = NLMSG_DATA(nlh); |
aba5acdf | 2465 | |
acd1e437 | 2466 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), |
5b816047 PE |
2467 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
2468 | ||
82d73ea0 DA |
2469 | s->state = r->idiag_state; |
2470 | s->local.family = s->remote.family = r->idiag_family; | |
2471 | s->lport = ntohs(r->id.idiag_sport); | |
2472 | s->rport = ntohs(r->id.idiag_dport); | |
2473 | s->wq = r->idiag_wqueue; | |
2474 | s->rq = r->idiag_rqueue; | |
2475 | s->ino = r->idiag_inode; | |
2476 | s->uid = r->idiag_uid; | |
2477 | s->iface = r->id.idiag_if; | |
2478 | s->sk = cookie_sk_get(&r->id.idiag_cookie[0]); | |
2479 | ||
ec75249b LC |
2480 | s->mark = 0; |
2481 | if (tb[INET_DIAG_MARK]) | |
9f1370c0 | 2482 | s->mark = rta_getattr_u32(tb[INET_DIAG_MARK]); |
41fe6c34 | 2483 | if (tb[INET_DIAG_PROTOCOL]) |
9f1370c0 | 2484 | s->raw_prot = rta_getattr_u8(tb[INET_DIAG_PROTOCOL]); |
41fe6c34 CG |
2485 | else |
2486 | s->raw_prot = 0; | |
ec75249b | 2487 | |
82d73ea0 DA |
2488 | if (s->local.family == AF_INET) |
2489 | s->local.bytelen = s->remote.bytelen = 4; | |
2490 | else | |
2491 | s->local.bytelen = s->remote.bytelen = 16; | |
8250bc9f | 2492 | |
82d73ea0 DA |
2493 | memcpy(s->local.data, r->id.idiag_src, s->local.bytelen); |
2494 | memcpy(s->remote.data, r->id.idiag_dst, s->local.bytelen); | |
2495 | } | |
aba5acdf | 2496 | |
82d73ea0 | 2497 | static int inet_show_sock(struct nlmsghdr *nlh, |
be7e4d20 | 2498 | struct sockstat *s) |
82d73ea0 DA |
2499 | { |
2500 | struct rtattr *tb[INET_DIAG_MAX+1]; | |
2501 | struct inet_diag_msg *r = NLMSG_DATA(nlh); | |
1267c0b9 | 2502 | unsigned char v6only = 0; |
82d73ea0 DA |
2503 | |
2504 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), | |
2505 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); | |
aba5acdf | 2506 | |
6885e3bf | 2507 | if (tb[INET_DIAG_PROTOCOL]) |
9f1370c0 | 2508 | s->type = rta_getattr_u8(tb[INET_DIAG_PROTOCOL]); |
6885e3bf | 2509 | |
1267c0b9 PS |
2510 | if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY]) |
2511 | v6only = rta_getattr_u8(tb[INET_DIAG_SKV6ONLY]); | |
2512 | ||
2513 | inet_stats_print(s, v6only); | |
116ac927 | 2514 | |
055840f2 VK |
2515 | if (show_options) { |
2516 | struct tcpstat t = {}; | |
2517 | ||
2518 | t.timer = r->idiag_timer; | |
2519 | t.timeout = r->idiag_expires; | |
2520 | t.retrans = r->idiag_retrans; | |
be7e4d20 | 2521 | if (s->type == IPPROTO_SCTP) |
f89d46ad PS |
2522 | sctp_timer_print(&t); |
2523 | else | |
2524 | tcp_timer_print(&t); | |
055840f2 VK |
2525 | } |
2526 | ||
aba5acdf | 2527 | if (show_details) { |
82d73ea0 | 2528 | sock_details_print(s); |
1267c0b9 | 2529 | if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY]) |
90351722 | 2530 | out(" v6only:%u", v6only); |
1267c0b9 | 2531 | |
5b816047 PE |
2532 | if (tb[INET_DIAG_SHUTDOWN]) { |
2533 | unsigned char mask; | |
acd1e437 | 2534 | |
9f1370c0 | 2535 | mask = rta_getattr_u8(tb[INET_DIAG_SHUTDOWN]); |
90351722 SB |
2536 | out(" %c-%c", |
2537 | mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); | |
5b816047 | 2538 | } |
aba5acdf | 2539 | } |
8250bc9f | 2540 | |
be7e4d20 | 2541 | if (show_mem || (show_tcpinfo && s->type != IPPROTO_UDP)) { |
90351722 | 2542 | out("\n\t"); |
be7e4d20 | 2543 | if (s->type == IPPROTO_SCTP) |
f89d46ad PS |
2544 | sctp_show_info(nlh, r, tb); |
2545 | else | |
2546 | tcp_show_info(nlh, r, tb); | |
aba5acdf | 2547 | } |
f89d46ad | 2548 | sctp_ino = s->ino; |
7d105b56 | 2549 | |
90351722 | 2550 | out("\n"); |
aba5acdf | 2551 | return 0; |
aba5acdf SH |
2552 | } |
2553 | ||
746a695f | 2554 | static int tcpdiag_send(int fd, int protocol, struct filter *f) |
aba5acdf | 2555 | { |
d17b136f | 2556 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
aba5acdf SH |
2557 | struct { |
2558 | struct nlmsghdr nlh; | |
351efcde | 2559 | struct inet_diag_req r; |
d17b136f PS |
2560 | } req = { |
2561 | .nlh.nlmsg_len = sizeof(req), | |
2562 | .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST, | |
2563 | .nlh.nlmsg_seq = MAGIC_SEQ, | |
2564 | .r.idiag_family = AF_INET, | |
2565 | .r.idiag_states = f->states, | |
2566 | }; | |
aba5acdf SH |
2567 | char *bc = NULL; |
2568 | int bclen; | |
2569 | struct msghdr msg; | |
2570 | struct rtattr rta; | |
aba5acdf | 2571 | struct iovec iov[3]; |
376fb868 | 2572 | int iovlen = 1; |
aba5acdf | 2573 | |
346f8ca8 PE |
2574 | if (protocol == IPPROTO_UDP) |
2575 | return -1; | |
2576 | ||
3fe5b534 PE |
2577 | if (protocol == IPPROTO_TCP) |
2578 | req.nlh.nlmsg_type = TCPDIAG_GETSOCK; | |
2579 | else | |
2580 | req.nlh.nlmsg_type = DCCPDIAG_GETSOCK; | |
910b0397 | 2581 | if (show_mem) { |
ae665a52 | 2582 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); |
910b0397 SW |
2583 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); |
2584 | } | |
b4b0b7d5 | 2585 | |
7d105b56 | 2586 | if (show_tcpinfo) { |
351efcde SH |
2587 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); |
2588 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); | |
2589 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); | |
7d105b56 | 2590 | } |
aba5acdf | 2591 | |
ae665a52 SH |
2592 | iov[0] = (struct iovec){ |
2593 | .iov_base = &req, | |
2594 | .iov_len = sizeof(req) | |
ea8fc104 | 2595 | }; |
aba5acdf SH |
2596 | if (f->f) { |
2597 | bclen = ssfilter_bytecompile(f->f, &bc); | |
376fb868 DA |
2598 | if (bclen) { |
2599 | rta.rta_type = INET_DIAG_REQ_BYTECODE; | |
2600 | rta.rta_len = RTA_LENGTH(bclen); | |
2601 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; | |
2602 | iov[2] = (struct iovec){ bc, bclen }; | |
2603 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); | |
2604 | iovlen = 3; | |
2605 | } | |
aba5acdf SH |
2606 | } |
2607 | ||
2608 | msg = (struct msghdr) { | |
acd1e437 | 2609 | .msg_name = (void *)&nladdr, |
ea8fc104 | 2610 | .msg_namelen = sizeof(nladdr), |
ae665a52 | 2611 | .msg_iov = iov, |
376fb868 | 2612 | .msg_iovlen = iovlen, |
aba5acdf SH |
2613 | }; |
2614 | ||
930a75f9 ED |
2615 | if (sendmsg(fd, &msg, 0) < 0) { |
2616 | close(fd); | |
aba5acdf | 2617 | return -1; |
930a75f9 | 2618 | } |
aba5acdf | 2619 | |
746a695f PE |
2620 | return 0; |
2621 | } | |
2622 | ||
886d19d6 PE |
2623 | static int sockdiag_send(int family, int fd, int protocol, struct filter *f) |
2624 | { | |
d17b136f | 2625 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
5fb421d4 | 2626 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
886d19d6 PE |
2627 | char *bc = NULL; |
2628 | int bclen; | |
2629 | struct msghdr msg; | |
2630 | struct rtattr rta; | |
2631 | struct iovec iov[3]; | |
376fb868 | 2632 | int iovlen = 1; |
886d19d6 PE |
2633 | |
2634 | if (family == PF_UNSPEC) | |
2635 | return tcpdiag_send(fd, protocol, f); | |
2636 | ||
886d19d6 PE |
2637 | memset(&req.r, 0, sizeof(req.r)); |
2638 | req.r.sdiag_family = family; | |
2639 | req.r.sdiag_protocol = protocol; | |
2640 | req.r.idiag_states = f->states; | |
2641 | if (show_mem) { | |
2642 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); | |
2643 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); | |
2644 | } | |
2645 | ||
2646 | if (show_tcpinfo) { | |
2647 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); | |
2648 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); | |
2649 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); | |
2650 | } | |
2651 | ||
2652 | iov[0] = (struct iovec){ | |
2653 | .iov_base = &req, | |
2654 | .iov_len = sizeof(req) | |
2655 | }; | |
2656 | if (f->f) { | |
2657 | bclen = ssfilter_bytecompile(f->f, &bc); | |
376fb868 DA |
2658 | if (bclen) { |
2659 | rta.rta_type = INET_DIAG_REQ_BYTECODE; | |
2660 | rta.rta_len = RTA_LENGTH(bclen); | |
2661 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; | |
2662 | iov[2] = (struct iovec){ bc, bclen }; | |
2663 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); | |
2664 | iovlen = 3; | |
2665 | } | |
886d19d6 PE |
2666 | } |
2667 | ||
2668 | msg = (struct msghdr) { | |
acd1e437 | 2669 | .msg_name = (void *)&nladdr, |
886d19d6 PE |
2670 | .msg_namelen = sizeof(nladdr), |
2671 | .msg_iov = iov, | |
376fb868 | 2672 | .msg_iovlen = iovlen, |
886d19d6 PE |
2673 | }; |
2674 | ||
2675 | if (sendmsg(fd, &msg, 0) < 0) { | |
2676 | close(fd); | |
2677 | return -1; | |
2678 | } | |
2679 | ||
2680 | return 0; | |
2681 | } | |
2682 | ||
486ccd99 VK |
2683 | struct inet_diag_arg { |
2684 | struct filter *f; | |
2685 | int protocol; | |
fb2594c1 | 2686 | struct rtnl_handle *rth; |
486ccd99 | 2687 | }; |
aba5acdf | 2688 | |
41fe6c34 | 2689 | static int kill_inet_sock(struct nlmsghdr *h, void *arg, struct sockstat *s) |
fb2594c1 LC |
2690 | { |
2691 | struct inet_diag_msg *d = NLMSG_DATA(h); | |
2692 | struct inet_diag_arg *diag_arg = arg; | |
2693 | struct rtnl_handle *rth = diag_arg->rth; | |
acd1e437 | 2694 | |
fb2594c1 LC |
2695 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
2696 | ||
2697 | req.nlh.nlmsg_type = SOCK_DESTROY; | |
2698 | req.nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; | |
2699 | req.nlh.nlmsg_seq = ++rth->seq; | |
2700 | req.r.sdiag_family = d->idiag_family; | |
2701 | req.r.sdiag_protocol = diag_arg->protocol; | |
2702 | req.r.id = d->id; | |
2703 | ||
41fe6c34 CG |
2704 | if (diag_arg->protocol == IPPROTO_RAW) { |
2705 | struct inet_diag_req_raw *raw = (void *)&req.r; | |
2706 | ||
2707 | BUILD_BUG_ON(sizeof(req.r) != sizeof(*raw)); | |
2708 | raw->sdiag_raw_protocol = s->raw_prot; | |
2709 | } | |
2710 | ||
86bf43c7 | 2711 | return rtnl_talk(rth, &req.nlh, NULL); |
fb2594c1 LC |
2712 | } |
2713 | ||
486ccd99 VK |
2714 | static int show_one_inet_sock(const struct sockaddr_nl *addr, |
2715 | struct nlmsghdr *h, void *arg) | |
2716 | { | |
2717 | int err; | |
2718 | struct inet_diag_arg *diag_arg = arg; | |
2719 | struct inet_diag_msg *r = NLMSG_DATA(h); | |
82d73ea0 | 2720 | struct sockstat s = {}; |
aba5acdf | 2721 | |
b338a3e7 | 2722 | if (!(diag_arg->f->families & FAMILY_MASK(r->idiag_family))) |
486ccd99 | 2723 | return 0; |
82d73ea0 DA |
2724 | |
2725 | parse_diag_msg(h, &s); | |
be7e4d20 | 2726 | s.type = diag_arg->protocol; |
82d73ea0 DA |
2727 | |
2728 | if (diag_arg->f->f && run_ssfilter(diag_arg->f->f, &s) == 0) | |
2729 | return 0; | |
2730 | ||
41fe6c34 | 2731 | if (diag_arg->f->kill && kill_inet_sock(h, arg, &s) != 0) { |
fb2594c1 LC |
2732 | if (errno == EOPNOTSUPP || errno == ENOENT) { |
2733 | /* Socket can't be closed, or is already closed. */ | |
2734 | return 0; | |
2735 | } else { | |
2736 | perror("SOCK_DESTROY answers"); | |
2737 | return -1; | |
2738 | } | |
2739 | } | |
82d73ea0 | 2740 | |
be7e4d20 | 2741 | err = inet_show_sock(h, &s); |
82d73ea0 | 2742 | if (err < 0) |
486ccd99 | 2743 | return err; |
aba5acdf | 2744 | |
486ccd99 VK |
2745 | return 0; |
2746 | } | |
886d19d6 | 2747 | |
486ccd99 VK |
2748 | static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol) |
2749 | { | |
2750 | int err = 0; | |
fb2594c1 | 2751 | struct rtnl_handle rth, rth2; |
486ccd99 VK |
2752 | int family = PF_INET; |
2753 | struct inet_diag_arg arg = { .f = f, .protocol = protocol }; | |
886d19d6 | 2754 | |
486ccd99 VK |
2755 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
2756 | return -1; | |
fb2594c1 LC |
2757 | |
2758 | if (f->kill) { | |
2759 | if (rtnl_open_byproto(&rth2, 0, NETLINK_SOCK_DIAG)) { | |
2760 | rtnl_close(&rth); | |
2761 | return -1; | |
2762 | } | |
2763 | arg.rth = &rth2; | |
2764 | } | |
2765 | ||
486ccd99 VK |
2766 | rth.dump = MAGIC_SEQ; |
2767 | rth.dump_fp = dump_fp; | |
518af1e0 ED |
2768 | if (preferred_family == PF_INET6) |
2769 | family = PF_INET6; | |
886d19d6 | 2770 | |
486ccd99 VK |
2771 | again: |
2772 | if ((err = sockdiag_send(family, rth.fd, protocol, f))) | |
2773 | goto Exit; | |
aba5acdf | 2774 | |
486ccd99 VK |
2775 | if ((err = rtnl_dump_filter(&rth, show_one_inet_sock, &arg))) { |
2776 | if (family != PF_UNSPEC) { | |
2777 | family = PF_UNSPEC; | |
2778 | goto again; | |
aba5acdf | 2779 | } |
486ccd99 | 2780 | goto Exit; |
aba5acdf | 2781 | } |
518af1e0 | 2782 | if (family == PF_INET && preferred_family != PF_INET) { |
886d19d6 PE |
2783 | family = PF_INET6; |
2784 | goto again; | |
2785 | } | |
2786 | ||
486ccd99 VK |
2787 | Exit: |
2788 | rtnl_close(&rth); | |
fb2594c1 LC |
2789 | if (arg.rth) |
2790 | rtnl_close(arg.rth); | |
486ccd99 | 2791 | return err; |
aba5acdf SH |
2792 | } |
2793 | ||
ab01dbbb | 2794 | static int tcp_show_netlink_file(struct filter *f) |
aba5acdf SH |
2795 | { |
2796 | FILE *fp; | |
e557212e | 2797 | char buf[16384]; |
4b45ae22 | 2798 | int err = -1; |
aba5acdf SH |
2799 | |
2800 | if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) { | |
2801 | perror("fopen($TCPDIAG_FILE)"); | |
4b45ae22 | 2802 | return err; |
aba5acdf SH |
2803 | } |
2804 | ||
2805 | while (1) { | |
4b45ae22 | 2806 | int status, err2; |
acd1e437 | 2807 | struct nlmsghdr *h = (struct nlmsghdr *)buf; |
82d73ea0 | 2808 | struct sockstat s = {}; |
aba5acdf SH |
2809 | |
2810 | status = fread(buf, 1, sizeof(*h), fp); | |
2811 | if (status < 0) { | |
2812 | perror("Reading header from $TCPDIAG_FILE"); | |
4b45ae22 | 2813 | break; |
aba5acdf SH |
2814 | } |
2815 | if (status != sizeof(*h)) { | |
2816 | perror("Unexpected EOF reading $TCPDIAG_FILE"); | |
4b45ae22 | 2817 | break; |
aba5acdf SH |
2818 | } |
2819 | ||
2820 | status = fread(h+1, 1, NLMSG_ALIGN(h->nlmsg_len-sizeof(*h)), fp); | |
2821 | ||
2822 | if (status < 0) { | |
2823 | perror("Reading $TCPDIAG_FILE"); | |
4b45ae22 | 2824 | break; |
aba5acdf SH |
2825 | } |
2826 | if (status + sizeof(*h) < h->nlmsg_len) { | |
2827 | perror("Unexpected EOF reading $TCPDIAG_FILE"); | |
4b45ae22 | 2828 | break; |
aba5acdf SH |
2829 | } |
2830 | ||
2831 | /* The only legal exit point */ | |
4b45ae22 PS |
2832 | if (h->nlmsg_type == NLMSG_DONE) { |
2833 | err = 0; | |
2834 | break; | |
2835 | } | |
aba5acdf SH |
2836 | |
2837 | if (h->nlmsg_type == NLMSG_ERROR) { | |
acd1e437 SH |
2838 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h); |
2839 | ||
aba5acdf SH |
2840 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
2841 | fprintf(stderr, "ERROR truncated\n"); | |
2842 | } else { | |
2843 | errno = -err->error; | |
2844 | perror("TCPDIAG answered"); | |
2845 | } | |
4b45ae22 | 2846 | break; |
aba5acdf SH |
2847 | } |
2848 | ||
82d73ea0 | 2849 | parse_diag_msg(h, &s); |
be7e4d20 | 2850 | s.type = IPPROTO_TCP; |
82d73ea0 DA |
2851 | |
2852 | if (f && f->f && run_ssfilter(f->f, &s) == 0) | |
2853 | continue; | |
2854 | ||
4b45ae22 PS |
2855 | err2 = inet_show_sock(h, &s); |
2856 | if (err2 < 0) { | |
2857 | err = err2; | |
2858 | break; | |
2859 | } | |
aba5acdf | 2860 | } |
4b45ae22 PS |
2861 | |
2862 | fclose(fp); | |
2863 | return err; | |
aba5acdf SH |
2864 | } |
2865 | ||
6c6bbc30 | 2866 | static int tcp_show(struct filter *f) |
aba5acdf | 2867 | { |
ab01dbbb | 2868 | FILE *fp = NULL; |
aba5acdf SH |
2869 | char *buf = NULL; |
2870 | int bufsize = 64*1024; | |
2871 | ||
1527a17e VK |
2872 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
2873 | return 0; | |
2874 | ||
aba5acdf SH |
2875 | dg_proto = TCP_PROTO; |
2876 | ||
2877 | if (getenv("TCPDIAG_FILE")) | |
2878 | return tcp_show_netlink_file(f); | |
2879 | ||
2880 | if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT") | |
6c6bbc30 | 2881 | && inet_show_netlink(f, NULL, IPPROTO_TCP) == 0) |
aba5acdf SH |
2882 | return 0; |
2883 | ||
2884 | /* Sigh... We have to parse /proc/net/tcp... */ | |
2885 | ||
ab01dbbb | 2886 | |
aba5acdf SH |
2887 | /* Estimate amount of sockets and try to allocate |
2888 | * huge buffer to read all the table at one read. | |
2889 | * Limit it by 16MB though. The assumption is: as soon as | |
2890 | * kernel was able to hold information about N connections, | |
2891 | * it is able to give us some memory for snapshot. | |
2892 | */ | |
2893 | if (1) { | |
a221d621 BL |
2894 | get_slabstat(&slabstat); |
2895 | ||
aba5acdf | 2896 | int guess = slabstat.socks+slabstat.tcp_syns; |
acd1e437 | 2897 | |
aba5acdf SH |
2898 | if (f->states&(1<<SS_TIME_WAIT)) |
2899 | guess += slabstat.tcp_tws; | |
2900 | if (guess > (16*1024*1024)/128) | |
2901 | guess = (16*1024*1024)/128; | |
2902 | guess *= 128; | |
2903 | if (guess > bufsize) | |
2904 | bufsize = guess; | |
2905 | } | |
2906 | while (bufsize >= 64*1024) { | |
2907 | if ((buf = malloc(bufsize)) != NULL) | |
2908 | break; | |
2909 | bufsize /= 2; | |
2910 | } | |
2911 | if (buf == NULL) { | |
2912 | errno = ENOMEM; | |
2913 | return -1; | |
2914 | } | |
2915 | ||
b338a3e7 | 2916 | if (f->families & FAMILY_MASK(AF_INET)) { |
69cae645 | 2917 | if ((fp = net_tcp_open()) == NULL) |
aba5acdf | 2918 | goto outerr; |
ab01dbbb SH |
2919 | |
2920 | setbuffer(fp, buf, bufsize); | |
2921 | if (generic_record_read(fp, tcp_show_line, f, AF_INET)) | |
aba5acdf | 2922 | goto outerr; |
ab01dbbb | 2923 | fclose(fp); |
aba5acdf SH |
2924 | } |
2925 | ||
b338a3e7 | 2926 | if ((f->families & FAMILY_MASK(AF_INET6)) && |
69cae645 | 2927 | (fp = net_tcp6_open()) != NULL) { |
ab01dbbb SH |
2928 | setbuffer(fp, buf, bufsize); |
2929 | if (generic_record_read(fp, tcp_show_line, f, AF_INET6)) | |
aba5acdf | 2930 | goto outerr; |
ab01dbbb | 2931 | fclose(fp); |
aba5acdf SH |
2932 | } |
2933 | ||
2934 | free(buf); | |
2935 | return 0; | |
2936 | ||
2937 | outerr: | |
2938 | do { | |
2939 | int saved_errno = errno; | |
acd1e437 | 2940 | |
92de1c2c | 2941 | free(buf); |
ab01dbbb SH |
2942 | if (fp) |
2943 | fclose(fp); | |
aba5acdf SH |
2944 | errno = saved_errno; |
2945 | return -1; | |
2946 | } while (0); | |
2947 | } | |
2948 | ||
6c6bbc30 PS |
2949 | static int dccp_show(struct filter *f) |
2950 | { | |
2951 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) | |
2952 | return 0; | |
2953 | ||
2954 | if (!getenv("PROC_NET_DCCP") && !getenv("PROC_ROOT") | |
2955 | && inet_show_netlink(f, NULL, IPPROTO_DCCP) == 0) | |
2956 | return 0; | |
2957 | ||
2958 | return 0; | |
2959 | } | |
2960 | ||
f89d46ad PS |
2961 | static int sctp_show(struct filter *f) |
2962 | { | |
2963 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) | |
2964 | return 0; | |
2965 | ||
2966 | if (!getenv("PROC_NET_SCTP") && !getenv("PROC_ROOT") | |
2967 | && inet_show_netlink(f, NULL, IPPROTO_SCTP) == 0) | |
2968 | return 0; | |
2969 | ||
2970 | return 0; | |
2971 | } | |
aba5acdf | 2972 | |
d1f28cf1 | 2973 | static int dgram_show_line(char *line, const struct filter *f, int family) |
aba5acdf | 2974 | { |
055840f2 | 2975 | struct sockstat s = {}; |
aba5acdf SH |
2976 | char *loc, *rem, *data; |
2977 | char opt[256]; | |
2978 | int n; | |
aba5acdf | 2979 | |
8250bc9f | 2980 | if (proc_inet_split_line(line, &loc, &rem, &data)) |
aba5acdf | 2981 | return -1; |
aba5acdf | 2982 | |
8250bc9f | 2983 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); |
acd1e437 | 2984 | |
8250bc9f VK |
2985 | if (!(f->states & (1 << state))) |
2986 | return 0; | |
aba5acdf | 2987 | |
8250bc9f | 2988 | proc_parse_inet_addr(loc, rem, family, &s); |
aba5acdf SH |
2989 | |
2990 | if (f->f && run_ssfilter(f->f, &s) == 0) | |
2991 | return 0; | |
2992 | ||
2993 | opt[0] = 0; | |
e7113c61 | 2994 | n = sscanf(data, "%x %x:%x %*x:%*x %*x %d %*d %u %d %llx %[^\n]\n", |
aba5acdf SH |
2995 | &s.state, &s.wq, &s.rq, |
2996 | &s.uid, &s.ino, | |
2997 | &s.refcnt, &s.sk, opt); | |
2998 | ||
2999 | if (n < 9) | |
3000 | opt[0] = 0; | |
3001 | ||
be7e4d20 | 3002 | s.type = dg_proto == UDP_PROTO ? IPPROTO_UDP : 0; |
1267c0b9 | 3003 | inet_stats_print(&s, false); |
aba5acdf | 3004 | |
f1b39e1b | 3005 | if (show_details && opt[0]) |
90351722 | 3006 | out(" opt:\"%s\"", opt); |
aba5acdf | 3007 | |
90351722 | 3008 | out("\n"); |
aba5acdf SH |
3009 | return 0; |
3010 | } | |
3011 | ||
d1f28cf1 | 3012 | static int udp_show(struct filter *f) |
aba5acdf | 3013 | { |
ab01dbbb | 3014 | FILE *fp = NULL; |
aba5acdf | 3015 | |
1527a17e VK |
3016 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
3017 | return 0; | |
3018 | ||
ace5cb31 VK |
3019 | dg_proto = UDP_PROTO; |
3020 | ||
346f8ca8 PE |
3021 | if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT") |
3022 | && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0) | |
3023 | return 0; | |
3024 | ||
b338a3e7 | 3025 | if (f->families&FAMILY_MASK(AF_INET)) { |
69cae645 | 3026 | if ((fp = net_udp_open()) == NULL) |
aba5acdf | 3027 | goto outerr; |
ab01dbbb | 3028 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
aba5acdf | 3029 | goto outerr; |
ab01dbbb | 3030 | fclose(fp); |
aba5acdf SH |
3031 | } |
3032 | ||
b338a3e7 | 3033 | if ((f->families&FAMILY_MASK(AF_INET6)) && |
69cae645 | 3034 | (fp = net_udp6_open()) != NULL) { |
ab01dbbb | 3035 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
aba5acdf | 3036 | goto outerr; |
ab01dbbb | 3037 | fclose(fp); |
aba5acdf SH |
3038 | } |
3039 | return 0; | |
3040 | ||
3041 | outerr: | |
3042 | do { | |
3043 | int saved_errno = errno; | |
acd1e437 | 3044 | |
ab01dbbb SH |
3045 | if (fp) |
3046 | fclose(fp); | |
aba5acdf SH |
3047 | errno = saved_errno; |
3048 | return -1; | |
3049 | } while (0); | |
3050 | } | |
3051 | ||
d1f28cf1 | 3052 | static int raw_show(struct filter *f) |
aba5acdf | 3053 | { |
ab01dbbb | 3054 | FILE *fp = NULL; |
aba5acdf | 3055 | |
1527a17e VK |
3056 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
3057 | return 0; | |
3058 | ||
aba5acdf SH |
3059 | dg_proto = RAW_PROTO; |
3060 | ||
41fe6c34 CG |
3061 | if (!getenv("PROC_NET_RAW") && !getenv("PROC_ROOT") && |
3062 | inet_show_netlink(f, NULL, IPPROTO_RAW) == 0) | |
3063 | return 0; | |
3064 | ||
b338a3e7 | 3065 | if (f->families&FAMILY_MASK(AF_INET)) { |
69cae645 | 3066 | if ((fp = net_raw_open()) == NULL) |
aba5acdf | 3067 | goto outerr; |
ab01dbbb | 3068 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
aba5acdf | 3069 | goto outerr; |
ab01dbbb | 3070 | fclose(fp); |
aba5acdf SH |
3071 | } |
3072 | ||
b338a3e7 | 3073 | if ((f->families&FAMILY_MASK(AF_INET6)) && |
69cae645 | 3074 | (fp = net_raw6_open()) != NULL) { |
ab01dbbb | 3075 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
aba5acdf | 3076 | goto outerr; |
ab01dbbb | 3077 | fclose(fp); |
aba5acdf SH |
3078 | } |
3079 | return 0; | |
3080 | ||
3081 | outerr: | |
3082 | do { | |
3083 | int saved_errno = errno; | |
acd1e437 | 3084 | |
ab01dbbb SH |
3085 | if (fp) |
3086 | fclose(fp); | |
aba5acdf SH |
3087 | errno = saved_errno; |
3088 | return -1; | |
3089 | } while (0); | |
3090 | } | |
3091 | ||
ec4d0d8a | 3092 | #define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct sockstat)) |
aba5acdf | 3093 | |
2d0e538f | 3094 | static void unix_list_drop_first(struct sockstat **list) |
aba5acdf | 3095 | { |
2d0e538f | 3096 | struct sockstat *s = *list; |
ec4d0d8a | 3097 | |
2d0e538f PS |
3098 | (*list) = (*list)->next; |
3099 | free(s->name); | |
3100 | free(s); | |
aba5acdf SH |
3101 | } |
3102 | ||
ec4d0d8a | 3103 | static bool unix_type_skip(struct sockstat *s, struct filter *f) |
bf4ceee6 VK |
3104 | { |
3105 | if (s->type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB))) | |
3106 | return true; | |
3107 | if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB))) | |
3108 | return true; | |
3109 | if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB))) | |
3110 | return true; | |
3111 | return false; | |
3112 | } | |
3113 | ||
2d0e538f | 3114 | static void unix_stats_print(struct sockstat *s, struct filter *f) |
aba5acdf | 3115 | { |
b217df10 | 3116 | char port_name[30] = {}; |
aba5acdf | 3117 | |
2d0e538f | 3118 | sock_state_print(s); |
2d791bc8 | 3119 | |
2d0e538f PS |
3120 | sock_addr_print(s->name ?: "*", " ", |
3121 | int_to_str(s->lport, port_name), NULL); | |
3122 | sock_addr_print(s->peer_name ?: "*", " ", | |
3123 | int_to_str(s->rport, port_name), NULL); | |
116ac927 | 3124 | |
2d0e538f | 3125 | proc_ctx_print(s); |
aba5acdf SH |
3126 | } |
3127 | ||
8a4025f6 | 3128 | static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh, |
3129 | void *arg) | |
dfbaa90d | 3130 | { |
8a4025f6 | 3131 | struct filter *f = (struct filter *)arg; |
dfbaa90d PE |
3132 | struct unix_diag_msg *r = NLMSG_DATA(nlh); |
3133 | struct rtattr *tb[UNIX_DIAG_MAX+1]; | |
99bb68ff VK |
3134 | char name[128]; |
3135 | struct sockstat stat = { .name = "*", .peer_name = "*" }; | |
dfbaa90d | 3136 | |
acd1e437 | 3137 | parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr *)(r+1), |
dfbaa90d PE |
3138 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3139 | ||
bf4ceee6 VK |
3140 | stat.type = r->udiag_type; |
3141 | stat.state = r->udiag_state; | |
ec4d0d8a VK |
3142 | stat.ino = stat.lport = r->udiag_ino; |
3143 | stat.local.family = stat.remote.family = AF_UNIX; | |
0d2e01c5 | 3144 | |
bf4ceee6 VK |
3145 | if (unix_type_skip(&stat, f)) |
3146 | return 0; | |
dfbaa90d | 3147 | |
defd61ca HFS |
3148 | if (tb[UNIX_DIAG_RQLEN]) { |
3149 | struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]); | |
acd1e437 | 3150 | |
bf4ceee6 VK |
3151 | stat.rq = rql->udiag_rqueue; |
3152 | stat.wq = rql->udiag_wqueue; | |
defd61ca | 3153 | } |
dfbaa90d PE |
3154 | if (tb[UNIX_DIAG_NAME]) { |
3155 | int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]); | |
3156 | ||
3157 | memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len); | |
3158 | name[len] = '\0'; | |
1dd0cca7 SH |
3159 | if (name[0] == '\0') { |
3160 | int i; | |
3161 | for (i = 0; i < len; i++) | |
878dadc7 IB |
3162 | if (name[i] == '\0') |
3163 | name[i] = '@'; | |
1dd0cca7 | 3164 | } |
99bb68ff VK |
3165 | stat.name = &name[0]; |
3166 | memcpy(stat.local.data, &stat.name, sizeof(stat.name)); | |
bf4ceee6 | 3167 | } |
dfbaa90d | 3168 | if (tb[UNIX_DIAG_PEER]) |
ec4d0d8a | 3169 | stat.rport = rta_getattr_u32(tb[UNIX_DIAG_PEER]); |
dfbaa90d | 3170 | |
29999b0f VK |
3171 | if (f->f && run_ssfilter(f->f, &stat) == 0) |
3172 | return 0; | |
3173 | ||
bf4ceee6 | 3174 | unix_stats_print(&stat, f); |
dfbaa90d | 3175 | |
45199997 | 3176 | if (show_mem) |
51ff9f24 | 3177 | print_skmeminfo(tb, UNIX_DIAG_MEMINFO); |
5b816047 PE |
3178 | if (show_details) { |
3179 | if (tb[UNIX_DIAG_SHUTDOWN]) { | |
3180 | unsigned char mask; | |
acd1e437 | 3181 | |
9f1370c0 | 3182 | mask = rta_getattr_u8(tb[UNIX_DIAG_SHUTDOWN]); |
90351722 SB |
3183 | out(" %c-%c", |
3184 | mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); | |
5b816047 PE |
3185 | } |
3186 | } | |
90351722 | 3187 | out("\n"); |
ec4d0d8a | 3188 | |
dfbaa90d PE |
3189 | return 0; |
3190 | } | |
3191 | ||
8a4025f6 | 3192 | static int handle_netlink_request(struct filter *f, struct nlmsghdr *req, |
3193 | size_t size, rtnl_filter_t show_one_sock) | |
dfbaa90d | 3194 | { |
8a4025f6 | 3195 | int ret = -1; |
3196 | struct rtnl_handle rth; | |
dfbaa90d | 3197 | |
8a4025f6 | 3198 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
dfbaa90d PE |
3199 | return -1; |
3200 | ||
8a4025f6 | 3201 | rth.dump = MAGIC_SEQ; |
dfbaa90d | 3202 | |
8a4025f6 | 3203 | if (rtnl_send(&rth, req, size) < 0) |
3204 | goto Exit; | |
dfbaa90d | 3205 | |
8a4025f6 | 3206 | if (rtnl_dump_filter(&rth, show_one_sock, f)) |
3207 | goto Exit; | |
dfbaa90d | 3208 | |
8a4025f6 | 3209 | ret = 0; |
3210 | Exit: | |
3211 | rtnl_close(&rth); | |
3212 | return ret; | |
dfbaa90d PE |
3213 | } |
3214 | ||
8a4025f6 | 3215 | static int unix_show_netlink(struct filter *f) |
d8402b96 | 3216 | { |
5fb421d4 | 3217 | DIAG_REQUEST(req, struct unix_diag_req r); |
d8402b96 AV |
3218 | |
3219 | req.r.sdiag_family = AF_UNIX; | |
3220 | req.r.udiag_states = f->states; | |
3221 | req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN; | |
3222 | if (show_mem) | |
3223 | req.r.udiag_show |= UDIAG_SHOW_MEMINFO; | |
3224 | ||
8a4025f6 | 3225 | return handle_netlink_request(f, &req.nlh, sizeof(req), unix_show_sock); |
d8402b96 AV |
3226 | } |
3227 | ||
d1f28cf1 | 3228 | static int unix_show(struct filter *f) |
aba5acdf SH |
3229 | { |
3230 | FILE *fp; | |
3231 | char buf[256]; | |
3232 | char name[128]; | |
3233 | int newformat = 0; | |
3234 | int cnt; | |
ec4d0d8a | 3235 | struct sockstat *list = NULL; |
96d45daa PS |
3236 | const int unix_state_map[] = { SS_CLOSE, SS_SYN_SENT, |
3237 | SS_ESTABLISHED, SS_CLOSING }; | |
aba5acdf | 3238 | |
9db7bf15 VK |
3239 | if (!filter_af_get(f, AF_UNIX)) |
3240 | return 0; | |
3241 | ||
f25062e9 PS |
3242 | if (!getenv("PROC_NET_UNIX") && !getenv("PROC_ROOT") |
3243 | && unix_show_netlink(f) == 0) | |
dfbaa90d PE |
3244 | return 0; |
3245 | ||
ab01dbbb | 3246 | if ((fp = net_unix_open()) == NULL) |
aba5acdf | 3247 | return -1; |
61170fd8 | 3248 | if (!fgets(buf, sizeof(buf), fp)) { |
d572ed4d PS |
3249 | fclose(fp); |
3250 | return -1; | |
3251 | } | |
aba5acdf | 3252 | |
ae665a52 | 3253 | if (memcmp(buf, "Peer", 4) == 0) |
aba5acdf SH |
3254 | newformat = 1; |
3255 | cnt = 0; | |
3256 | ||
61170fd8 | 3257 | while (fgets(buf, sizeof(buf), fp)) { |
ec4d0d8a | 3258 | struct sockstat *u, **insp; |
aba5acdf SH |
3259 | int flags; |
3260 | ||
0ee9052f | 3261 | if (!(u = calloc(1, sizeof(*u)))) |
aba5acdf | 3262 | break; |
aba5acdf SH |
3263 | |
3264 | if (sscanf(buf, "%x: %x %x %x %x %x %d %s", | |
ec4d0d8a | 3265 | &u->rport, &u->rq, &u->wq, &flags, &u->type, |
aba5acdf SH |
3266 | &u->state, &u->ino, name) < 8) |
3267 | name[0] = 0; | |
3268 | ||
ec4d0d8a VK |
3269 | u->lport = u->ino; |
3270 | u->local.family = u->remote.family = AF_UNIX; | |
3271 | ||
3272 | if (flags & (1 << 16)) { | |
aba5acdf | 3273 | u->state = SS_LISTEN; |
0aa03350 PS |
3274 | } else if (u->state > 0 && |
3275 | u->state <= ARRAY_SIZE(unix_state_map)) { | |
aba5acdf | 3276 | u->state = unix_state_map[u->state-1]; |
ec4d0d8a | 3277 | if (u->type == SOCK_DGRAM && u->state == SS_CLOSE && u->rport) |
aba5acdf SH |
3278 | u->state = SS_ESTABLISHED; |
3279 | } | |
2d0e538f PS |
3280 | if (unix_type_skip(u, f) || |
3281 | !(f->states & (1 << u->state))) { | |
3282 | free(u); | |
3283 | continue; | |
3284 | } | |
aba5acdf SH |
3285 | |
3286 | if (!newformat) { | |
ec4d0d8a | 3287 | u->rport = 0; |
aba5acdf SH |
3288 | u->rq = 0; |
3289 | u->wq = 0; | |
3290 | } | |
3291 | ||
2d0e538f PS |
3292 | if (name[0]) { |
3293 | u->name = strdup(name); | |
46131577 PS |
3294 | if (!u->name) { |
3295 | free(u); | |
2d0e538f | 3296 | break; |
46131577 | 3297 | } |
2d0e538f PS |
3298 | } |
3299 | ||
3300 | if (u->rport) { | |
3301 | struct sockstat *p; | |
3302 | ||
3303 | for (p = list; p; p = p->next) { | |
3304 | if (u->rport == p->lport) | |
3305 | break; | |
3306 | } | |
3307 | if (!p) | |
3308 | u->peer_name = "?"; | |
3309 | else | |
3310 | u->peer_name = p->name ? : "*"; | |
3311 | } | |
3312 | ||
3313 | if (f->f) { | |
3314 | struct sockstat st = { | |
3315 | .local.family = AF_UNIX, | |
3316 | .remote.family = AF_UNIX, | |
3317 | }; | |
3318 | ||
3319 | memcpy(st.local.data, &u->name, sizeof(u->name)); | |
3320 | if (strcmp(u->peer_name, "*")) | |
3321 | memcpy(st.remote.data, &u->peer_name, | |
3322 | sizeof(u->peer_name)); | |
3323 | if (run_ssfilter(f->f, &st) == 0) { | |
3324 | free(u->name); | |
3325 | free(u); | |
3326 | continue; | |
3327 | } | |
3328 | } | |
3329 | ||
aba5acdf SH |
3330 | insp = &list; |
3331 | while (*insp) { | |
3332 | if (u->type < (*insp)->type || | |
3333 | (u->type == (*insp)->type && | |
3334 | u->ino < (*insp)->ino)) | |
3335 | break; | |
3336 | insp = &(*insp)->next; | |
3337 | } | |
3338 | u->next = *insp; | |
3339 | *insp = u; | |
3340 | ||
aba5acdf | 3341 | if (++cnt > MAX_UNIX_REMEMBER) { |
2d0e538f PS |
3342 | while (list) { |
3343 | unix_stats_print(list, f); | |
90351722 | 3344 | out("\n"); |
2d0e538f PS |
3345 | |
3346 | unix_list_drop_first(&list); | |
3347 | } | |
aba5acdf SH |
3348 | cnt = 0; |
3349 | } | |
3350 | } | |
a3fd8e58 | 3351 | fclose(fp); |
2d0e538f | 3352 | while (list) { |
bf4ceee6 | 3353 | unix_stats_print(list, f); |
90351722 | 3354 | out("\n"); |
2d0e538f PS |
3355 | |
3356 | unix_list_drop_first(&list); | |
aba5acdf SH |
3357 | } |
3358 | ||
3359 | return 0; | |
3360 | } | |
3361 | ||
89f634f9 | 3362 | static int packet_stats_print(struct sockstat *s, const struct filter *f) |
4a0053b6 | 3363 | { |
b217df10 VK |
3364 | const char *addr, *port; |
3365 | char ll_name[16]; | |
372c30d2 | 3366 | |
be7e4d20 PS |
3367 | s->local.family = s->remote.family = AF_PACKET; |
3368 | ||
4a0053b6 | 3369 | if (f->f) { |
89f634f9 | 3370 | s->local.data[0] = s->prot; |
89f634f9 | 3371 | if (run_ssfilter(f->f, s) == 0) |
4a0053b6 VK |
3372 | return 1; |
3373 | } | |
372c30d2 | 3374 | |
be7e4d20 | 3375 | sock_state_print(s); |
372c30d2 | 3376 | |
b217df10 VK |
3377 | if (s->prot == 3) |
3378 | addr = "*"; | |
3379 | else | |
3380 | addr = ll_proto_n2a(htons(s->prot), ll_name, sizeof(ll_name)); | |
3381 | ||
3382 | if (s->iface == 0) | |
3383 | port = "*"; | |
3384 | else | |
3385 | port = xll_index_to_name(s->iface); | |
372c30d2 | 3386 | |
b217df10 VK |
3387 | sock_addr_print(addr, ":", port, NULL); |
3388 | sock_addr_print("", "*", "", NULL); | |
116ac927 | 3389 | |
5f27ac1d | 3390 | proc_ctx_print(s); |
116ac927 | 3391 | |
f1b39e1b VK |
3392 | if (show_details) |
3393 | sock_details_print(s); | |
3394 | ||
4a0053b6 VK |
3395 | return 0; |
3396 | } | |
3397 | ||
2631b856 VK |
3398 | static void packet_show_ring(struct packet_diag_ring *ring) |
3399 | { | |
90351722 SB |
3400 | out("blk_size:%d", ring->pdr_block_size); |
3401 | out(",blk_nr:%d", ring->pdr_block_nr); | |
3402 | out(",frm_size:%d", ring->pdr_frame_size); | |
3403 | out(",frm_nr:%d", ring->pdr_frame_nr); | |
3404 | out(",tmo:%d", ring->pdr_retire_tmo); | |
3405 | out(",features:0x%x", ring->pdr_features); | |
2631b856 VK |
3406 | } |
3407 | ||
4a0053b6 VK |
3408 | static int packet_show_sock(const struct sockaddr_nl *addr, |
3409 | struct nlmsghdr *nlh, void *arg) | |
3410 | { | |
3411 | const struct filter *f = arg; | |
3412 | struct packet_diag_msg *r = NLMSG_DATA(nlh); | |
2631b856 VK |
3413 | struct packet_diag_info *pinfo = NULL; |
3414 | struct packet_diag_ring *ring_rx = NULL, *ring_tx = NULL; | |
4a0053b6 | 3415 | struct rtattr *tb[PACKET_DIAG_MAX+1]; |
89f634f9 | 3416 | struct sockstat stat = {}; |
2631b856 VK |
3417 | uint32_t fanout = 0; |
3418 | bool has_fanout = false; | |
4a0053b6 | 3419 | |
acd1e437 | 3420 | parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr *)(r+1), |
4a0053b6 VK |
3421 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3422 | ||
3423 | /* use /proc/net/packet if all info are not available */ | |
3424 | if (!tb[PACKET_DIAG_MEMINFO]) | |
3425 | return -1; | |
3426 | ||
2d791bc8 VK |
3427 | stat.type = r->pdiag_type; |
3428 | stat.prot = r->pdiag_num; | |
3429 | stat.ino = r->pdiag_ino; | |
3430 | stat.state = SS_CLOSE; | |
f1b39e1b | 3431 | stat.sk = cookie_sk_get(&r->pdiag_cookie[0]); |
4a0053b6 VK |
3432 | |
3433 | if (tb[PACKET_DIAG_MEMINFO]) { | |
3434 | __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]); | |
acd1e437 | 3435 | |
4a0053b6 VK |
3436 | stat.rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; |
3437 | } | |
3438 | ||
3439 | if (tb[PACKET_DIAG_INFO]) { | |
2631b856 | 3440 | pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]); |
2d791bc8 | 3441 | stat.lport = stat.iface = pinfo->pdi_index; |
4a0053b6 VK |
3442 | } |
3443 | ||
f1b39e1b | 3444 | if (tb[PACKET_DIAG_UID]) |
9f1370c0 | 3445 | stat.uid = rta_getattr_u32(tb[PACKET_DIAG_UID]); |
f1b39e1b | 3446 | |
2631b856 VK |
3447 | if (tb[PACKET_DIAG_RX_RING]) |
3448 | ring_rx = RTA_DATA(tb[PACKET_DIAG_RX_RING]); | |
3449 | ||
3450 | if (tb[PACKET_DIAG_TX_RING]) | |
3451 | ring_tx = RTA_DATA(tb[PACKET_DIAG_TX_RING]); | |
3452 | ||
3453 | if (tb[PACKET_DIAG_FANOUT]) { | |
3454 | has_fanout = true; | |
9f1370c0 | 3455 | fanout = rta_getattr_u32(tb[PACKET_DIAG_FANOUT]); |
2631b856 VK |
3456 | } |
3457 | ||
4a0053b6 VK |
3458 | if (packet_stats_print(&stat, f)) |
3459 | return 0; | |
3460 | ||
2631b856 VK |
3461 | if (show_details) { |
3462 | if (pinfo) { | |
90351722 SB |
3463 | out("\n\tver:%d", pinfo->pdi_version); |
3464 | out(" cpy_thresh:%d", pinfo->pdi_copy_thresh); | |
3465 | out(" flags( "); | |
2631b856 | 3466 | if (pinfo->pdi_flags & PDI_RUNNING) |
90351722 | 3467 | out("running"); |
2631b856 | 3468 | if (pinfo->pdi_flags & PDI_AUXDATA) |
90351722 | 3469 | out(" auxdata"); |
2631b856 | 3470 | if (pinfo->pdi_flags & PDI_ORIGDEV) |
90351722 | 3471 | out(" origdev"); |
2631b856 | 3472 | if (pinfo->pdi_flags & PDI_VNETHDR) |
90351722 | 3473 | out(" vnethdr"); |
2631b856 | 3474 | if (pinfo->pdi_flags & PDI_LOSS) |
90351722 | 3475 | out(" loss"); |
2631b856 | 3476 | if (!pinfo->pdi_flags) |
90351722 SB |
3477 | out("0"); |
3478 | out(" )"); | |
2631b856 VK |
3479 | } |
3480 | if (ring_rx) { | |
90351722 | 3481 | out("\n\tring_rx("); |
2631b856 | 3482 | packet_show_ring(ring_rx); |
90351722 | 3483 | out(")"); |
2631b856 VK |
3484 | } |
3485 | if (ring_tx) { | |
90351722 | 3486 | out("\n\tring_tx("); |
2631b856 | 3487 | packet_show_ring(ring_tx); |
90351722 | 3488 | out(")"); |
2631b856 VK |
3489 | } |
3490 | if (has_fanout) { | |
3491 | uint16_t type = (fanout >> 16) & 0xffff; | |
3492 | ||
90351722 SB |
3493 | out("\n\tfanout("); |
3494 | out("id:%d,", fanout & 0xffff); | |
3495 | out("type:"); | |
2631b856 VK |
3496 | |
3497 | if (type == 0) | |
90351722 | 3498 | out("hash"); |
2631b856 | 3499 | else if (type == 1) |
90351722 | 3500 | out("lb"); |
2631b856 | 3501 | else if (type == 2) |
90351722 | 3502 | out("cpu"); |
2631b856 | 3503 | else if (type == 3) |
90351722 | 3504 | out("roll"); |
2631b856 | 3505 | else if (type == 4) |
90351722 | 3506 | out("random"); |
2631b856 | 3507 | else if (type == 5) |
90351722 | 3508 | out("qm"); |
2631b856 | 3509 | else |
90351722 | 3510 | out("0x%x", type); |
2631b856 | 3511 | |
90351722 | 3512 | out(")"); |
2631b856 VK |
3513 | } |
3514 | } | |
3515 | ||
372c30d2 ND |
3516 | if (show_bpf && tb[PACKET_DIAG_FILTER]) { |
3517 | struct sock_filter *fil = | |
3518 | RTA_DATA(tb[PACKET_DIAG_FILTER]); | |
3519 | int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) / | |
3520 | sizeof(struct sock_filter); | |
3521 | ||
90351722 | 3522 | out("\n\tbpf filter (%d): ", num); |
372c30d2 | 3523 | while (num) { |
90351722 SB |
3524 | out(" 0x%02x %u %u %u,", |
3525 | fil->code, fil->jt, fil->jf, fil->k); | |
372c30d2 ND |
3526 | num--; |
3527 | fil++; | |
3528 | } | |
3529 | } | |
90351722 | 3530 | out("\n"); |
372c30d2 ND |
3531 | return 0; |
3532 | } | |
3533 | ||
8a4025f6 | 3534 | static int packet_show_netlink(struct filter *f) |
372c30d2 | 3535 | { |
5fb421d4 | 3536 | DIAG_REQUEST(req, struct packet_diag_req r); |
372c30d2 | 3537 | |
372c30d2 | 3538 | req.r.sdiag_family = AF_PACKET; |
2631b856 VK |
3539 | req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO | |
3540 | PACKET_SHOW_FILTER | PACKET_SHOW_RING_CFG | PACKET_SHOW_FANOUT; | |
372c30d2 | 3541 | |
8a4025f6 | 3542 | return handle_netlink_request(f, &req.nlh, sizeof(req), packet_show_sock); |
372c30d2 ND |
3543 | } |
3544 | ||
4a0053b6 VK |
3545 | static int packet_show_line(char *buf, const struct filter *f, int fam) |
3546 | { | |
3547 | unsigned long long sk; | |
89f634f9 | 3548 | struct sockstat stat = {}; |
4a0053b6 VK |
3549 | int type, prot, iface, state, rq, uid, ino; |
3550 | ||
3551 | sscanf(buf, "%llx %*d %d %x %d %d %u %u %u", | |
3552 | &sk, | |
3553 | &type, &prot, &iface, &state, | |
3554 | &rq, &uid, &ino); | |
3555 | ||
3556 | if (stat.type == SOCK_RAW && !(f->dbs&(1<<PACKET_R_DB))) | |
3557 | return 0; | |
3558 | if (stat.type == SOCK_DGRAM && !(f->dbs&(1<<PACKET_DG_DB))) | |
3559 | return 0; | |
3560 | ||
3561 | stat.type = type; | |
3562 | stat.prot = prot; | |
2d791bc8 | 3563 | stat.lport = stat.iface = iface; |
4a0053b6 VK |
3564 | stat.state = state; |
3565 | stat.rq = rq; | |
3566 | stat.uid = uid; | |
3567 | stat.ino = ino; | |
2d791bc8 VK |
3568 | stat.state = SS_CLOSE; |
3569 | ||
4a0053b6 VK |
3570 | if (packet_stats_print(&stat, f)) |
3571 | return 0; | |
3572 | ||
90351722 | 3573 | out("\n"); |
4a0053b6 VK |
3574 | return 0; |
3575 | } | |
aba5acdf | 3576 | |
d1f28cf1 | 3577 | static int packet_show(struct filter *f) |
aba5acdf SH |
3578 | { |
3579 | FILE *fp; | |
b95d28c3 | 3580 | int rc = 0; |
3d0b7439 | 3581 | |
9db7bf15 | 3582 | if (!filter_af_get(f, AF_PACKET) || !(f->states & (1 << SS_CLOSE))) |
b9ea445d | 3583 | return 0; |
aba5acdf | 3584 | |
4a0053b6 VK |
3585 | if (!getenv("PROC_NET_PACKET") && !getenv("PROC_ROOT") && |
3586 | packet_show_netlink(f) == 0) | |
372c30d2 ND |
3587 | return 0; |
3588 | ||
ab01dbbb | 3589 | if ((fp = net_packet_open()) == NULL) |
aba5acdf | 3590 | return -1; |
4a0053b6 | 3591 | if (generic_record_read(fp, packet_show_line, f, AF_PACKET)) |
b95d28c3 | 3592 | rc = -1; |
aba5acdf | 3593 | |
b95d28c3 PS |
3594 | fclose(fp); |
3595 | return rc; | |
aba5acdf SH |
3596 | } |
3597 | ||
5f24ec0e | 3598 | static int netlink_show_one(struct filter *f, |
acd1e437 SH |
3599 | int prot, int pid, unsigned int groups, |
3600 | int state, int dst_pid, unsigned int dst_group, | |
129709ae AV |
3601 | int rq, int wq, |
3602 | unsigned long long sk, unsigned long long cb) | |
3603 | { | |
301826be PS |
3604 | struct sockstat st = { |
3605 | .state = SS_CLOSE, | |
3606 | .rq = rq, | |
3607 | .wq = wq, | |
3608 | .local.family = AF_NETLINK, | |
3609 | .remote.family = AF_NETLINK, | |
3610 | }; | |
acd1e437 | 3611 | |
b217df10 VK |
3612 | SPRINT_BUF(prot_buf) = {}; |
3613 | const char *prot_name; | |
3614 | char procname[64] = {}; | |
eef43b50 | 3615 | |
129709ae | 3616 | if (f->f) { |
055840f2 VK |
3617 | st.rport = -1; |
3618 | st.lport = pid; | |
3619 | st.local.data[0] = prot; | |
055840f2 | 3620 | if (run_ssfilter(f->f, &st) == 0) |
5f24ec0e | 3621 | return 1; |
129709ae AV |
3622 | } |
3623 | ||
be7e4d20 | 3624 | sock_state_print(&st); |
eef43b50 | 3625 | |
b217df10 VK |
3626 | if (resolve_services) |
3627 | prot_name = nl_proto_n2a(prot, prot_buf, sizeof(prot_buf)); | |
3628 | else | |
3629 | prot_name = int_to_str(prot, prot_buf); | |
eef43b50 | 3630 | |
129709ae | 3631 | if (pid == -1) { |
b217df10 | 3632 | procname[0] = '*'; |
129709ae AV |
3633 | } else if (resolve_services) { |
3634 | int done = 0; | |
acd1e437 | 3635 | |
129709ae AV |
3636 | if (!pid) { |
3637 | done = 1; | |
b217df10 | 3638 | strncpy(procname, "kernel", 6); |
129709ae | 3639 | } else if (pid > 0) { |
129709ae | 3640 | FILE *fp; |
acd1e437 | 3641 | |
0ee9052f | 3642 | snprintf(procname, sizeof(procname), "%s/%d/stat", |
129709ae AV |
3643 | getenv("PROC_ROOT") ? : "/proc", pid); |
3644 | if ((fp = fopen(procname, "r")) != NULL) { | |
3645 | if (fscanf(fp, "%*d (%[^)])", procname) == 1) { | |
0ee9052f | 3646 | snprintf(procname+strlen(procname), |
3647 | sizeof(procname)-strlen(procname), | |
3648 | "/%d", pid); | |
129709ae AV |
3649 | done = 1; |
3650 | } | |
3651 | fclose(fp); | |
3652 | } | |
3653 | } | |
3654 | if (!done) | |
b217df10 | 3655 | int_to_str(pid, procname); |
129709ae | 3656 | } else { |
b217df10 | 3657 | int_to_str(pid, procname); |
129709ae | 3658 | } |
f271fe01 | 3659 | |
b217df10 VK |
3660 | sock_addr_print(prot_name, ":", procname, NULL); |
3661 | ||
f271fe01 | 3662 | if (state == NETLINK_CONNECTED) { |
b217df10 VK |
3663 | char dst_group_buf[30]; |
3664 | char dst_pid_buf[30]; | |
acd1e437 | 3665 | |
b217df10 VK |
3666 | sock_addr_print(int_to_str(dst_group, dst_group_buf), ":", |
3667 | int_to_str(dst_pid, dst_pid_buf), NULL); | |
f271fe01 | 3668 | } else { |
b217df10 | 3669 | sock_addr_print("", "*", "", NULL); |
f271fe01 | 3670 | } |
129709ae | 3671 | |
116ac927 | 3672 | char *pid_context = NULL; |
acd1e437 | 3673 | |
116ac927 RH |
3674 | if (show_proc_ctx) { |
3675 | /* The pid value will either be: | |
3676 | * 0 if destination kernel - show kernel initial context. | |
3677 | * A valid process pid - use getpidcon. | |
3678 | * A unique value allocated by the kernel or netlink user | |
3679 | * to the process - show context as "not available". | |
3680 | */ | |
3681 | if (!pid) | |
3682 | security_get_initial_context("kernel", &pid_context); | |
3683 | else if (pid > 0) | |
3684 | getpidcon(pid, &pid_context); | |
3685 | ||
90351722 | 3686 | out(" proc_ctx=%s", pid_context ? : "unavailable"); |
22658ff5 | 3687 | free(pid_context); |
116ac927 RH |
3688 | } |
3689 | ||
129709ae | 3690 | if (show_details) { |
90351722 | 3691 | out(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups); |
129709ae | 3692 | } |
90351722 | 3693 | out("\n"); |
129709ae | 3694 | |
5f24ec0e | 3695 | return 0; |
129709ae AV |
3696 | } |
3697 | ||
8a4025f6 | 3698 | static int netlink_show_sock(const struct sockaddr_nl *addr, |
3699 | struct nlmsghdr *nlh, void *arg) | |
ecb928c8 | 3700 | { |
8a4025f6 | 3701 | struct filter *f = (struct filter *)arg; |
ecb928c8 AV |
3702 | struct netlink_diag_msg *r = NLMSG_DATA(nlh); |
3703 | struct rtattr *tb[NETLINK_DIAG_MAX+1]; | |
3704 | int rq = 0, wq = 0; | |
3705 | unsigned long groups = 0; | |
3706 | ||
acd1e437 | 3707 | parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr *)(r+1), |
ecb928c8 AV |
3708 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3709 | ||
3710 | if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS])) | |
3711 | groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]); | |
3712 | ||
3713 | if (tb[NETLINK_DIAG_MEMINFO]) { | |
3714 | const __u32 *skmeminfo; | |
acd1e437 | 3715 | |
ecb928c8 AV |
3716 | skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]); |
3717 | ||
3718 | rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; | |
3719 | wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC]; | |
3720 | } | |
3721 | ||
5f24ec0e | 3722 | if (netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups, |
ecb928c8 | 3723 | r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group, |
5f24ec0e VK |
3724 | rq, wq, 0, 0)) { |
3725 | return 0; | |
3726 | } | |
ecb928c8 AV |
3727 | |
3728 | if (show_mem) { | |
90351722 | 3729 | out("\t"); |
ecb928c8 | 3730 | print_skmeminfo(tb, NETLINK_DIAG_MEMINFO); |
90351722 | 3731 | out("\n"); |
ecb928c8 AV |
3732 | } |
3733 | ||
3734 | return 0; | |
3735 | } | |
3736 | ||
8a4025f6 | 3737 | static int netlink_show_netlink(struct filter *f) |
ecb928c8 | 3738 | { |
5fb421d4 | 3739 | DIAG_REQUEST(req, struct netlink_diag_req r); |
ecb928c8 AV |
3740 | |
3741 | req.r.sdiag_family = AF_NETLINK; | |
3742 | req.r.sdiag_protocol = NDIAG_PROTO_ALL; | |
3743 | req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO; | |
3744 | ||
8a4025f6 | 3745 | return handle_netlink_request(f, &req.nlh, sizeof(req), netlink_show_sock); |
ecb928c8 AV |
3746 | } |
3747 | ||
d1f28cf1 | 3748 | static int netlink_show(struct filter *f) |
aba5acdf SH |
3749 | { |
3750 | FILE *fp; | |
3751 | char buf[256]; | |
3752 | int prot, pid; | |
acd1e437 | 3753 | unsigned int groups; |
aba5acdf SH |
3754 | int rq, wq, rc; |
3755 | unsigned long long sk, cb; | |
3756 | ||
9db7bf15 | 3757 | if (!filter_af_get(f, AF_NETLINK) || !(f->states & (1 << SS_CLOSE))) |
b9ea445d VK |
3758 | return 0; |
3759 | ||
129709ae | 3760 | if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") && |
8a4025f6 | 3761 | netlink_show_netlink(f) == 0) |
129709ae AV |
3762 | return 0; |
3763 | ||
ab01dbbb | 3764 | if ((fp = net_netlink_open()) == NULL) |
aba5acdf | 3765 | return -1; |
61170fd8 | 3766 | if (!fgets(buf, sizeof(buf), fp)) { |
d572ed4d PS |
3767 | fclose(fp); |
3768 | return -1; | |
3769 | } | |
aba5acdf | 3770 | |
61170fd8 | 3771 | while (fgets(buf, sizeof(buf), fp)) { |
aba5acdf SH |
3772 | sscanf(buf, "%llx %d %d %x %d %d %llx %d", |
3773 | &sk, | |
3774 | &prot, &pid, &groups, &rq, &wq, &cb, &rc); | |
3775 | ||
f271fe01 | 3776 | netlink_show_one(f, prot, pid, groups, 0, 0, 0, rq, wq, sk, cb); |
aba5acdf SH |
3777 | } |
3778 | ||
b95d28c3 | 3779 | fclose(fp); |
aba5acdf SH |
3780 | return 0; |
3781 | } | |
3782 | ||
c759116a SH |
3783 | static bool vsock_type_skip(struct sockstat *s, struct filter *f) |
3784 | { | |
3785 | if (s->type == SOCK_STREAM && !(f->dbs & (1 << VSOCK_ST_DB))) | |
3786 | return true; | |
3787 | if (s->type == SOCK_DGRAM && !(f->dbs & (1 << VSOCK_DG_DB))) | |
3788 | return true; | |
3789 | return false; | |
3790 | } | |
3791 | ||
3792 | static void vsock_addr_print(inet_prefix *a, __u32 port) | |
3793 | { | |
3794 | char cid_str[sizeof("4294967295")]; | |
3795 | char port_str[sizeof("4294967295")]; | |
3796 | __u32 cid; | |
3797 | ||
3798 | memcpy(&cid, a->data, sizeof(cid)); | |
3799 | ||
3800 | if (cid == ~(__u32)0) | |
3801 | snprintf(cid_str, sizeof(cid_str), "*"); | |
3802 | else | |
3803 | snprintf(cid_str, sizeof(cid_str), "%u", cid); | |
3804 | ||
3805 | if (port == ~(__u32)0) | |
3806 | snprintf(port_str, sizeof(port_str), "*"); | |
3807 | else | |
3808 | snprintf(port_str, sizeof(port_str), "%u", port); | |
3809 | ||
3810 | sock_addr_print(cid_str, ":", port_str, NULL); | |
3811 | } | |
3812 | ||
3813 | static void vsock_stats_print(struct sockstat *s, struct filter *f) | |
3814 | { | |
3815 | sock_state_print(s); | |
3816 | ||
3817 | vsock_addr_print(&s->local, s->lport); | |
3818 | vsock_addr_print(&s->remote, s->rport); | |
3819 | ||
3820 | proc_ctx_print(s); | |
3821 | ||
90351722 | 3822 | out("\n"); |
c759116a SH |
3823 | } |
3824 | ||
3825 | static int vsock_show_sock(const struct sockaddr_nl *addr, | |
3826 | struct nlmsghdr *nlh, void *arg) | |
3827 | { | |
3828 | struct filter *f = (struct filter *)arg; | |
3829 | struct vsock_diag_msg *r = NLMSG_DATA(nlh); | |
3830 | struct sockstat stat = { | |
3831 | .type = r->vdiag_type, | |
3832 | .lport = r->vdiag_src_port, | |
3833 | .rport = r->vdiag_dst_port, | |
3834 | .state = r->vdiag_state, | |
3835 | .ino = r->vdiag_ino, | |
3836 | }; | |
3837 | ||
3838 | vsock_set_inet_prefix(&stat.local, r->vdiag_src_cid); | |
3839 | vsock_set_inet_prefix(&stat.remote, r->vdiag_dst_cid); | |
3840 | ||
3841 | if (vsock_type_skip(&stat, f)) | |
3842 | return 0; | |
3843 | ||
3844 | if (f->f && run_ssfilter(f->f, &stat) == 0) | |
3845 | return 0; | |
3846 | ||
3847 | vsock_stats_print(&stat, f); | |
3848 | ||
3849 | return 0; | |
3850 | } | |
3851 | ||
3852 | static int vsock_show(struct filter *f) | |
3853 | { | |
3854 | DIAG_REQUEST(req, struct vsock_diag_req r); | |
3855 | ||
3856 | if (!filter_af_get(f, AF_VSOCK)) | |
3857 | return 0; | |
3858 | ||
3859 | req.r.sdiag_family = AF_VSOCK; | |
3860 | req.r.vdiag_states = f->states; | |
3861 | ||
3862 | return handle_netlink_request(f, &req.nlh, sizeof(req), vsock_show_sock); | |
3863 | } | |
3864 | ||
6885e3bf CG |
3865 | struct sock_diag_msg { |
3866 | __u8 sdiag_family; | |
3867 | }; | |
3868 | ||
3869 | static int generic_show_sock(const struct sockaddr_nl *addr, | |
3870 | struct nlmsghdr *nlh, void *arg) | |
3871 | { | |
3872 | struct sock_diag_msg *r = NLMSG_DATA(nlh); | |
3873 | struct inet_diag_arg inet_arg = { .f = arg, .protocol = IPPROTO_MAX }; | |
3874 | ||
3875 | switch (r->sdiag_family) { | |
3876 | case AF_INET: | |
3877 | case AF_INET6: | |
3878 | return show_one_inet_sock(addr, nlh, &inet_arg); | |
3879 | case AF_UNIX: | |
3880 | return unix_show_sock(addr, nlh, arg); | |
3881 | case AF_PACKET: | |
3882 | return packet_show_sock(addr, nlh, arg); | |
3883 | case AF_NETLINK: | |
3884 | return netlink_show_sock(addr, nlh, arg); | |
c759116a SH |
3885 | case AF_VSOCK: |
3886 | return vsock_show_sock(addr, nlh, arg); | |
6885e3bf CG |
3887 | default: |
3888 | return -1; | |
3889 | } | |
3890 | } | |
3891 | ||
3892 | static int handle_follow_request(struct filter *f) | |
3893 | { | |
6b224dad | 3894 | int ret = 0; |
6885e3bf CG |
3895 | int groups = 0; |
3896 | struct rtnl_handle rth; | |
3897 | ||
b338a3e7 | 3898 | if (f->families & FAMILY_MASK(AF_INET) && f->dbs & (1 << TCP_DB)) |
6885e3bf | 3899 | groups |= 1 << (SKNLGRP_INET_TCP_DESTROY - 1); |
b338a3e7 | 3900 | if (f->families & FAMILY_MASK(AF_INET) && f->dbs & (1 << UDP_DB)) |
6885e3bf | 3901 | groups |= 1 << (SKNLGRP_INET_UDP_DESTROY - 1); |
b338a3e7 | 3902 | if (f->families & FAMILY_MASK(AF_INET6) && f->dbs & (1 << TCP_DB)) |
6885e3bf | 3903 | groups |= 1 << (SKNLGRP_INET6_TCP_DESTROY - 1); |
b338a3e7 | 3904 | if (f->families & FAMILY_MASK(AF_INET6) && f->dbs & (1 << UDP_DB)) |
6885e3bf CG |
3905 | groups |= 1 << (SKNLGRP_INET6_UDP_DESTROY - 1); |
3906 | ||
3907 | if (groups == 0) | |
3908 | return -1; | |
3909 | ||
3910 | if (rtnl_open_byproto(&rth, groups, NETLINK_SOCK_DIAG)) | |
3911 | return -1; | |
3912 | ||
3913 | rth.dump = 0; | |
3914 | rth.local.nl_pid = 0; | |
3915 | ||
3916 | if (rtnl_dump_filter(&rth, generic_show_sock, f)) | |
6b224dad | 3917 | ret = -1; |
6885e3bf | 3918 | |
6885e3bf CG |
3919 | rtnl_close(&rth); |
3920 | return ret; | |
3921 | } | |
3922 | ||
d1f28cf1 | 3923 | static int get_snmp_int(char *proto, char *key, int *result) |
aba5acdf SH |
3924 | { |
3925 | char buf[1024]; | |
3926 | FILE *fp; | |
3927 | int protolen = strlen(proto); | |
3928 | int keylen = strlen(key); | |
3929 | ||
3930 | *result = 0; | |
3931 | ||
ab01dbbb | 3932 | if ((fp = net_snmp_open()) == NULL) |
aba5acdf SH |
3933 | return -1; |
3934 | ||
3935 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
3936 | char *p = buf; | |
3937 | int pos = 0; | |
acd1e437 | 3938 | |
aba5acdf SH |
3939 | if (memcmp(buf, proto, protolen)) |
3940 | continue; | |
3941 | while ((p = strchr(p, ' ')) != NULL) { | |
3942 | pos++; | |
3943 | p++; | |
3944 | if (memcmp(p, key, keylen) == 0 && | |
3945 | (p[keylen] == ' ' || p[keylen] == '\n')) | |
3946 | break; | |
3947 | } | |
3948 | if (fgets(buf, sizeof(buf), fp) == NULL) | |
3949 | break; | |
3950 | if (memcmp(buf, proto, protolen)) | |
3951 | break; | |
3952 | p = buf; | |
3953 | while ((p = strchr(p, ' ')) != NULL) { | |
3954 | p++; | |
3955 | if (--pos == 0) { | |
3956 | sscanf(p, "%d", result); | |
3957 | fclose(fp); | |
3958 | return 0; | |
3959 | } | |
3960 | } | |
3961 | } | |
3962 | ||
3963 | fclose(fp); | |
3964 | errno = ESRCH; | |
3965 | return -1; | |
3966 | } | |
3967 | ||
3968 | ||
3969 | /* Get stats from sockstat */ | |
3970 | ||
acd1e437 | 3971 | struct ssummary { |
aba5acdf SH |
3972 | int socks; |
3973 | int tcp_mem; | |
3974 | int tcp_total; | |
3975 | int tcp_orphans; | |
3976 | int tcp_tws; | |
3977 | int tcp4_hashed; | |
3978 | int udp4; | |
3979 | int raw4; | |
3980 | int frag4; | |
3981 | int frag4_mem; | |
3982 | int tcp6_hashed; | |
3983 | int udp6; | |
3984 | int raw6; | |
3985 | int frag6; | |
3986 | int frag6_mem; | |
3987 | }; | |
3988 | ||
055840f2 | 3989 | static void get_sockstat_line(char *line, struct ssummary *s) |
aba5acdf SH |
3990 | { |
3991 | char id[256], rem[256]; | |
3992 | ||
3993 | if (sscanf(line, "%[^ ] %[^\n]\n", id, rem) != 2) | |
3994 | return; | |
3995 | ||
3996 | if (strcmp(id, "sockets:") == 0) | |
3997 | sscanf(rem, "%*s%d", &s->socks); | |
3998 | else if (strcmp(id, "UDP:") == 0) | |
3999 | sscanf(rem, "%*s%d", &s->udp4); | |
4000 | else if (strcmp(id, "UDP6:") == 0) | |
4001 | sscanf(rem, "%*s%d", &s->udp6); | |
4002 | else if (strcmp(id, "RAW:") == 0) | |
4003 | sscanf(rem, "%*s%d", &s->raw4); | |
4004 | else if (strcmp(id, "RAW6:") == 0) | |
4005 | sscanf(rem, "%*s%d", &s->raw6); | |
4006 | else if (strcmp(id, "TCP6:") == 0) | |
4007 | sscanf(rem, "%*s%d", &s->tcp6_hashed); | |
4008 | else if (strcmp(id, "FRAG:") == 0) | |
4009 | sscanf(rem, "%*s%d%*s%d", &s->frag4, &s->frag4_mem); | |
4010 | else if (strcmp(id, "FRAG6:") == 0) | |
4011 | sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem); | |
4012 | else if (strcmp(id, "TCP:") == 0) | |
4013 | sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d", | |
4014 | &s->tcp4_hashed, | |
4015 | &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem); | |
4016 | } | |
4017 | ||
055840f2 | 4018 | static int get_sockstat(struct ssummary *s) |
aba5acdf SH |
4019 | { |
4020 | char buf[256]; | |
4021 | FILE *fp; | |
4022 | ||
4023 | memset(s, 0, sizeof(*s)); | |
4024 | ||
ab01dbbb | 4025 | if ((fp = net_sockstat_open()) == NULL) |
aba5acdf | 4026 | return -1; |
acd1e437 | 4027 | while (fgets(buf, sizeof(buf), fp) != NULL) |
aba5acdf SH |
4028 | get_sockstat_line(buf, s); |
4029 | fclose(fp); | |
4030 | ||
ab01dbbb | 4031 | if ((fp = net_sockstat6_open()) == NULL) |
aba5acdf | 4032 | return 0; |
acd1e437 | 4033 | while (fgets(buf, sizeof(buf), fp) != NULL) |
aba5acdf SH |
4034 | get_sockstat_line(buf, s); |
4035 | fclose(fp); | |
4036 | ||
4037 | return 0; | |
4038 | } | |
4039 | ||
d1f28cf1 | 4040 | static int print_summary(void) |
aba5acdf | 4041 | { |
055840f2 | 4042 | struct ssummary s; |
2f938ce1 | 4043 | int tcp_estab; |
aba5acdf SH |
4044 | |
4045 | if (get_sockstat(&s) < 0) | |
4046 | perror("ss: get_sockstat"); | |
2f938ce1 | 4047 | if (get_snmp_int("Tcp:", "CurrEstab", &tcp_estab) < 0) |
aba5acdf SH |
4048 | perror("ss: get_snmpstat"); |
4049 | ||
a221d621 BL |
4050 | get_slabstat(&slabstat); |
4051 | ||
aba5acdf SH |
4052 | printf("Total: %d (kernel %d)\n", s.socks, slabstat.socks); |
4053 | ||
4054 | printf("TCP: %d (estab %d, closed %d, orphaned %d, synrecv %d, timewait %d/%d), ports %d\n", | |
4055 | s.tcp_total + slabstat.tcp_syns + s.tcp_tws, | |
2f938ce1 | 4056 | tcp_estab, |
aba5acdf SH |
4057 | s.tcp_total - (s.tcp4_hashed+s.tcp6_hashed-s.tcp_tws), |
4058 | s.tcp_orphans, | |
4059 | slabstat.tcp_syns, | |
4060 | s.tcp_tws, slabstat.tcp_tws, | |
4061 | slabstat.tcp_ports | |
4062 | ); | |
4063 | ||
4064 | printf("\n"); | |
4065 | printf("Transport Total IP IPv6\n"); | |
4066 | printf("* %-9d %-9s %-9s\n", slabstat.socks, "-", "-"); | |
4067 | printf("RAW %-9d %-9d %-9d\n", s.raw4+s.raw6, s.raw4, s.raw6); | |
4068 | printf("UDP %-9d %-9d %-9d\n", s.udp4+s.udp6, s.udp4, s.udp6); | |
4069 | printf("TCP %-9d %-9d %-9d\n", s.tcp4_hashed+s.tcp6_hashed, s.tcp4_hashed, s.tcp6_hashed); | |
ae665a52 | 4070 | printf("INET %-9d %-9d %-9d\n", |
aba5acdf SH |
4071 | s.raw4+s.udp4+s.tcp4_hashed+ |
4072 | s.raw6+s.udp6+s.tcp6_hashed, | |
4073 | s.raw4+s.udp4+s.tcp4_hashed, | |
4074 | s.raw6+s.udp6+s.tcp6_hashed); | |
4075 | printf("FRAG %-9d %-9d %-9d\n", s.frag4+s.frag6, s.frag4, s.frag6); | |
4076 | ||
4077 | printf("\n"); | |
4078 | ||
4079 | return 0; | |
4080 | } | |
4081 | ||
7a96e199 | 4082 | static void _usage(FILE *dest) |
aba5acdf | 4083 | { |
7a96e199 | 4084 | fprintf(dest, |
aba5acdf SH |
4085 | "Usage: ss [ OPTIONS ]\n" |
4086 | " ss [ OPTIONS ] [ FILTER ]\n" | |
ff041f16 VK |
4087 | " -h, --help this message\n" |
4088 | " -V, --version output version information\n" | |
4089 | " -n, --numeric don't resolve service names\n" | |
ab61159a | 4090 | " -r, --resolve resolve host names\n" |
ff041f16 VK |
4091 | " -a, --all display all sockets\n" |
4092 | " -l, --listening display listening sockets\n" | |
ab61159a SH |
4093 | " -o, --options show timer information\n" |
4094 | " -e, --extended show detailed socket information\n" | |
4095 | " -m, --memory show socket memory usage\n" | |
ff041f16 VK |
4096 | " -p, --processes show process using socket\n" |
4097 | " -i, --info show internal TCP information\n" | |
4098 | " -s, --summary show socket usage summary\n" | |
b0f01cf6 | 4099 | " -b, --bpf show bpf filter socket information\n" |
6885e3bf | 4100 | " -E, --events continually display sockets as they are destroyed\n" |
ff041f16 VK |
4101 | " -Z, --context display process SELinux security contexts\n" |
4102 | " -z, --contexts display process and socket SELinux security contexts\n" | |
95ce04bc | 4103 | " -N, --net switch to the specified network namespace name\n" |
ab61159a SH |
4104 | "\n" |
4105 | " -4, --ipv4 display only IP version 4 sockets\n" | |
4106 | " -6, --ipv6 display only IP version 6 sockets\n" | |
ff041f16 VK |
4107 | " -0, --packet display PACKET sockets\n" |
4108 | " -t, --tcp display only TCP sockets\n" | |
f89d46ad | 4109 | " -S, --sctp display only SCTP sockets\n" |
ff041f16 VK |
4110 | " -u, --udp display only UDP sockets\n" |
4111 | " -d, --dccp display only DCCP sockets\n" | |
4112 | " -w, --raw display only RAW sockets\n" | |
4113 | " -x, --unix display only Unix domain sockets\n" | |
c759116a | 4114 | " --vsock display only vsock sockets\n" |
ab61159a | 4115 | " -f, --family=FAMILY display sockets of type FAMILY\n" |
c759116a | 4116 | " FAMILY := {inet|inet6|link|unix|netlink|vsock|help}\n" |
ab61159a | 4117 | "\n" |
fb2594c1 | 4118 | " -K, --kill forcibly close sockets, display what was closed\n" |
7a4559f6 | 4119 | " -H, --no-header Suppress header line\n" |
fb2594c1 | 4120 | "\n" |
583de149 | 4121 | " -A, --query=QUERY, --socket=QUERY\n" |
c759116a | 4122 | " QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram}[,QUERY]\n" |
ab61159a | 4123 | "\n" |
583de149 | 4124 | " -D, --diag=FILE Dump raw information about TCP sockets to FILE\n" |
ab61159a | 4125 | " -F, --filter=FILE read filter information from FILE\n" |
ff041f16 VK |
4126 | " FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n" |
4127 | " STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n" | |
ae4e21c9 | 4128 | " TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listening|closing}\n" |
ff041f16 VK |
4129 | " connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" |
4130 | " synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" | |
4131 | " bucket := {syn-recv|time-wait}\n" | |
ae4e21c9 | 4132 | " big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listening|closing}\n" |
ab61159a | 4133 | ); |
7a96e199 AH |
4134 | } |
4135 | ||
4136 | static void help(void) __attribute__((noreturn)); | |
4137 | static void help(void) | |
4138 | { | |
4139 | _usage(stdout); | |
4140 | exit(0); | |
4141 | } | |
4142 | ||
4143 | static void usage(void) __attribute__((noreturn)); | |
4144 | static void usage(void) | |
4145 | { | |
4146 | _usage(stderr); | |
aba5acdf SH |
4147 | exit(-1); |
4148 | } | |
4149 | ||
4150 | ||
d1f28cf1 | 4151 | static int scan_state(const char *state) |
aba5acdf | 4152 | { |
b710a722 PS |
4153 | static const char * const sstate_namel[] = { |
4154 | "UNKNOWN", | |
4155 | [SS_ESTABLISHED] = "established", | |
4156 | [SS_SYN_SENT] = "syn-sent", | |
4157 | [SS_SYN_RECV] = "syn-recv", | |
4158 | [SS_FIN_WAIT1] = "fin-wait-1", | |
4159 | [SS_FIN_WAIT2] = "fin-wait-2", | |
4160 | [SS_TIME_WAIT] = "time-wait", | |
4161 | [SS_CLOSE] = "unconnected", | |
4162 | [SS_CLOSE_WAIT] = "close-wait", | |
4163 | [SS_LAST_ACK] = "last-ack", | |
4164 | [SS_LISTEN] = "listening", | |
4165 | [SS_CLOSING] = "closing", | |
4166 | }; | |
aba5acdf | 4167 | int i; |
acd1e437 | 4168 | |
aba5acdf SH |
4169 | if (strcasecmp(state, "close") == 0 || |
4170 | strcasecmp(state, "closed") == 0) | |
4171 | return (1<<SS_CLOSE); | |
4172 | if (strcasecmp(state, "syn-rcv") == 0) | |
4173 | return (1<<SS_SYN_RECV); | |
1a5bad5a | 4174 | if (strcasecmp(state, "established") == 0) |
aba5acdf SH |
4175 | return (1<<SS_ESTABLISHED); |
4176 | if (strcasecmp(state, "all") == 0) | |
4177 | return SS_ALL; | |
4178 | if (strcasecmp(state, "connected") == 0) | |
4179 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)); | |
1a5bad5a | 4180 | if (strcasecmp(state, "synchronized") == 0) |
aba5acdf SH |
4181 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)|(1<<SS_SYN_SENT)); |
4182 | if (strcasecmp(state, "bucket") == 0) | |
4183 | return (1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT); | |
4184 | if (strcasecmp(state, "big") == 0) | |
4185 | return SS_ALL & ~((1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT)); | |
acd1e437 | 4186 | for (i = 0; i < SS_MAX; i++) { |
1a5bad5a | 4187 | if (strcasecmp(state, sstate_namel[i]) == 0) |
aba5acdf SH |
4188 | return (1<<i); |
4189 | } | |
9db7bf15 VK |
4190 | |
4191 | fprintf(stderr, "ss: wrong state name: %s\n", state); | |
4192 | exit(-1); | |
aba5acdf SH |
4193 | } |
4194 | ||
c759116a SH |
4195 | /* Values 'v' and 'V' are already used so a non-character is used */ |
4196 | #define OPT_VSOCK 256 | |
4197 | ||
ab61159a SH |
4198 | static const struct option long_opts[] = { |
4199 | { "numeric", 0, 0, 'n' }, | |
4200 | { "resolve", 0, 0, 'r' }, | |
4201 | { "options", 0, 0, 'o' }, | |
4202 | { "extended", 0, 0, 'e' }, | |
4203 | { "memory", 0, 0, 'm' }, | |
4204 | { "info", 0, 0, 'i' }, | |
4205 | { "processes", 0, 0, 'p' }, | |
372c30d2 | 4206 | { "bpf", 0, 0, 'b' }, |
6885e3bf | 4207 | { "events", 0, 0, 'E' }, |
351efcde | 4208 | { "dccp", 0, 0, 'd' }, |
ab61159a | 4209 | { "tcp", 0, 0, 't' }, |
f89d46ad | 4210 | { "sctp", 0, 0, 'S' }, |
ab61159a SH |
4211 | { "udp", 0, 0, 'u' }, |
4212 | { "raw", 0, 0, 'w' }, | |
4213 | { "unix", 0, 0, 'x' }, | |
c759116a | 4214 | { "vsock", 0, 0, OPT_VSOCK }, |
ab61159a SH |
4215 | { "all", 0, 0, 'a' }, |
4216 | { "listening", 0, 0, 'l' }, | |
4217 | { "ipv4", 0, 0, '4' }, | |
4218 | { "ipv6", 0, 0, '6' }, | |
4219 | { "packet", 0, 0, '0' }, | |
4220 | { "family", 1, 0, 'f' }, | |
4221 | { "socket", 1, 0, 'A' }, | |
583de149 | 4222 | { "query", 1, 0, 'A' }, |
c3f346b0 | 4223 | { "summary", 0, 0, 's' }, |
583de149 | 4224 | { "diag", 1, 0, 'D' }, |
ab61159a SH |
4225 | { "filter", 1, 0, 'F' }, |
4226 | { "version", 0, 0, 'V' }, | |
4227 | { "help", 0, 0, 'h' }, | |
116ac927 RH |
4228 | { "context", 0, 0, 'Z' }, |
4229 | { "contexts", 0, 0, 'z' }, | |
95ce04bc | 4230 | { "net", 1, 0, 'N' }, |
fb2594c1 | 4231 | { "kill", 0, 0, 'K' }, |
7a4559f6 | 4232 | { "no-header", 0, 0, 'H' }, |
ab61159a | 4233 | { 0 } |
ae665a52 | 4234 | |
ab61159a SH |
4235 | }; |
4236 | ||
aba5acdf SH |
4237 | int main(int argc, char *argv[]) |
4238 | { | |
aba5acdf SH |
4239 | int saw_states = 0; |
4240 | int saw_query = 0; | |
4241 | int do_summary = 0; | |
7d105b56 | 4242 | const char *dump_tcpdiag = NULL; |
aba5acdf SH |
4243 | FILE *filter_fp = NULL; |
4244 | int ch; | |
9db7bf15 | 4245 | int state_filter = 0; |
95eafe43 | 4246 | int addrp_width, screen_width = 80; |
aba5acdf | 4247 | |
168d97f9 SH |
4248 | while ((ch = getopt_long(argc, argv, |
4249 | "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KHS", | |
ab61159a | 4250 | long_opts, NULL)) != EOF) { |
acd1e437 | 4251 | switch (ch) { |
aba5acdf SH |
4252 | case 'n': |
4253 | resolve_services = 0; | |
4254 | break; | |
4255 | case 'r': | |
4256 | resolve_hosts = 1; | |
4257 | break; | |
4258 | case 'o': | |
4259 | show_options = 1; | |
4260 | break; | |
4261 | case 'e': | |
4262 | show_options = 1; | |
4263 | show_details++; | |
4264 | break; | |
4265 | case 'm': | |
4266 | show_mem = 1; | |
4267 | break; | |
4268 | case 'i': | |
4269 | show_tcpinfo = 1; | |
4270 | break; | |
4271 | case 'p': | |
4272 | show_users++; | |
fbc0f876 | 4273 | user_ent_hash_build(); |
aba5acdf | 4274 | break; |
372c30d2 ND |
4275 | case 'b': |
4276 | show_options = 1; | |
4277 | show_bpf++; | |
4278 | break; | |
6885e3bf CG |
4279 | case 'E': |
4280 | follow_events = 1; | |
4281 | break; | |
351efcde | 4282 | case 'd': |
57ff5a10 | 4283 | filter_db_set(¤t_filter, DCCP_DB); |
351efcde | 4284 | break; |
aba5acdf | 4285 | case 't': |
57ff5a10 | 4286 | filter_db_set(¤t_filter, TCP_DB); |
aba5acdf | 4287 | break; |
f89d46ad PS |
4288 | case 'S': |
4289 | filter_db_set(¤t_filter, SCTP_DB); | |
4290 | break; | |
aba5acdf | 4291 | case 'u': |
57ff5a10 | 4292 | filter_db_set(¤t_filter, UDP_DB); |
aba5acdf SH |
4293 | break; |
4294 | case 'w': | |
57ff5a10 | 4295 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf SH |
4296 | break; |
4297 | case 'x': | |
9db7bf15 | 4298 | filter_af_set(¤t_filter, AF_UNIX); |
aba5acdf | 4299 | break; |
c759116a SH |
4300 | case OPT_VSOCK: |
4301 | filter_af_set(¤t_filter, AF_VSOCK); | |
4302 | break; | |
aba5acdf | 4303 | case 'a': |
9db7bf15 | 4304 | state_filter = SS_ALL; |
aba5acdf SH |
4305 | break; |
4306 | case 'l': | |
9db7bf15 | 4307 | state_filter = (1 << SS_LISTEN) | (1 << SS_CLOSE); |
aba5acdf SH |
4308 | break; |
4309 | case '4': | |
9db7bf15 | 4310 | filter_af_set(¤t_filter, AF_INET); |
aba5acdf SH |
4311 | break; |
4312 | case '6': | |
9db7bf15 | 4313 | filter_af_set(¤t_filter, AF_INET6); |
aba5acdf SH |
4314 | break; |
4315 | case '0': | |
9db7bf15 | 4316 | filter_af_set(¤t_filter, AF_PACKET); |
aba5acdf SH |
4317 | break; |
4318 | case 'f': | |
4319 | if (strcmp(optarg, "inet") == 0) | |
9db7bf15 | 4320 | filter_af_set(¤t_filter, AF_INET); |
aba5acdf | 4321 | else if (strcmp(optarg, "inet6") == 0) |
9db7bf15 | 4322 | filter_af_set(¤t_filter, AF_INET6); |
aba5acdf | 4323 | else if (strcmp(optarg, "link") == 0) |
9db7bf15 | 4324 | filter_af_set(¤t_filter, AF_PACKET); |
aba5acdf | 4325 | else if (strcmp(optarg, "unix") == 0) |
9db7bf15 | 4326 | filter_af_set(¤t_filter, AF_UNIX); |
aba5acdf | 4327 | else if (strcmp(optarg, "netlink") == 0) |
9db7bf15 | 4328 | filter_af_set(¤t_filter, AF_NETLINK); |
c759116a SH |
4329 | else if (strcmp(optarg, "vsock") == 0) |
4330 | filter_af_set(¤t_filter, AF_VSOCK); | |
aba5acdf | 4331 | else if (strcmp(optarg, "help") == 0) |
7a96e199 | 4332 | help(); |
aba5acdf | 4333 | else { |
9db7bf15 VK |
4334 | fprintf(stderr, "ss: \"%s\" is invalid family\n", |
4335 | optarg); | |
aba5acdf SH |
4336 | usage(); |
4337 | } | |
4338 | break; | |
4339 | case 'A': | |
4340 | { | |
4341 | char *p, *p1; | |
acd1e437 | 4342 | |
aba5acdf SH |
4343 | if (!saw_query) { |
4344 | current_filter.dbs = 0; | |
7f9dddbe | 4345 | state_filter = state_filter ? |
acd1e437 | 4346 | state_filter : SS_CONN; |
aba5acdf SH |
4347 | saw_query = 1; |
4348 | do_default = 0; | |
4349 | } | |
4350 | p = p1 = optarg; | |
4351 | do { | |
4352 | if ((p1 = strchr(p, ',')) != NULL) | |
ae665a52 | 4353 | *p1 = 0; |
aba5acdf | 4354 | if (strcmp(p, "all") == 0) { |
57ff5a10 | 4355 | filter_default_dbs(¤t_filter); |
aba5acdf | 4356 | } else if (strcmp(p, "inet") == 0) { |
57ff5a10 VK |
4357 | filter_db_set(¤t_filter, UDP_DB); |
4358 | filter_db_set(¤t_filter, DCCP_DB); | |
4359 | filter_db_set(¤t_filter, TCP_DB); | |
f89d46ad | 4360 | filter_db_set(¤t_filter, SCTP_DB); |
57ff5a10 | 4361 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf | 4362 | } else if (strcmp(p, "udp") == 0) { |
57ff5a10 | 4363 | filter_db_set(¤t_filter, UDP_DB); |
351efcde | 4364 | } else if (strcmp(p, "dccp") == 0) { |
57ff5a10 | 4365 | filter_db_set(¤t_filter, DCCP_DB); |
aba5acdf | 4366 | } else if (strcmp(p, "tcp") == 0) { |
57ff5a10 | 4367 | filter_db_set(¤t_filter, TCP_DB); |
f89d46ad PS |
4368 | } else if (strcmp(p, "sctp") == 0) { |
4369 | filter_db_set(¤t_filter, SCTP_DB); | |
aba5acdf | 4370 | } else if (strcmp(p, "raw") == 0) { |
57ff5a10 | 4371 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf | 4372 | } else if (strcmp(p, "unix") == 0) { |
57ff5a10 VK |
4373 | filter_db_set(¤t_filter, UNIX_ST_DB); |
4374 | filter_db_set(¤t_filter, UNIX_DG_DB); | |
4375 | filter_db_set(¤t_filter, UNIX_SQ_DB); | |
1a5bad5a | 4376 | } else if (strcasecmp(p, "unix_stream") == 0 || |
aba5acdf | 4377 | strcmp(p, "u_str") == 0) { |
57ff5a10 | 4378 | filter_db_set(¤t_filter, UNIX_ST_DB); |
1a5bad5a | 4379 | } else if (strcasecmp(p, "unix_dgram") == 0 || |
aba5acdf | 4380 | strcmp(p, "u_dgr") == 0) { |
57ff5a10 | 4381 | filter_db_set(¤t_filter, UNIX_DG_DB); |
30b669d7 MY |
4382 | } else if (strcasecmp(p, "unix_seqpacket") == 0 || |
4383 | strcmp(p, "u_seq") == 0) { | |
57ff5a10 | 4384 | filter_db_set(¤t_filter, UNIX_SQ_DB); |
aba5acdf | 4385 | } else if (strcmp(p, "packet") == 0) { |
57ff5a10 VK |
4386 | filter_db_set(¤t_filter, PACKET_R_DB); |
4387 | filter_db_set(¤t_filter, PACKET_DG_DB); | |
aba5acdf SH |
4388 | } else if (strcmp(p, "packet_raw") == 0 || |
4389 | strcmp(p, "p_raw") == 0) { | |
57ff5a10 | 4390 | filter_db_set(¤t_filter, PACKET_R_DB); |
aba5acdf SH |
4391 | } else if (strcmp(p, "packet_dgram") == 0 || |
4392 | strcmp(p, "p_dgr") == 0) { | |
57ff5a10 | 4393 | filter_db_set(¤t_filter, PACKET_DG_DB); |
aba5acdf | 4394 | } else if (strcmp(p, "netlink") == 0) { |
57ff5a10 | 4395 | filter_db_set(¤t_filter, NETLINK_DB); |
c759116a SH |
4396 | } else if (strcmp(p, "vsock") == 0) { |
4397 | filter_db_set(¤t_filter, VSOCK_ST_DB); | |
4398 | filter_db_set(¤t_filter, VSOCK_DG_DB); | |
4399 | } else if (strcmp(p, "vsock_stream") == 0 || | |
4400 | strcmp(p, "v_str") == 0) { | |
4401 | filter_db_set(¤t_filter, VSOCK_ST_DB); | |
4402 | } else if (strcmp(p, "vsock_dgram") == 0 || | |
4403 | strcmp(p, "v_dgr") == 0) { | |
4404 | filter_db_set(¤t_filter, VSOCK_DG_DB); | |
aba5acdf SH |
4405 | } else { |
4406 | fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p); | |
4407 | usage(); | |
4408 | } | |
4409 | p = p1 + 1; | |
4410 | } while (p1); | |
4411 | break; | |
4412 | } | |
4413 | case 's': | |
4414 | do_summary = 1; | |
4415 | break; | |
4416 | case 'D': | |
4417 | dump_tcpdiag = optarg; | |
4418 | break; | |
4419 | case 'F': | |
4420 | if (filter_fp) { | |
4421 | fprintf(stderr, "More than one filter file\n"); | |
4422 | exit(-1); | |
4423 | } | |
4424 | if (optarg[0] == '-') | |
4425 | filter_fp = stdin; | |
4426 | else | |
4427 | filter_fp = fopen(optarg, "r"); | |
4428 | if (!filter_fp) { | |
4429 | perror("fopen filter file"); | |
4430 | exit(-1); | |
4431 | } | |
4432 | break; | |
4433 | case 'v': | |
4434 | case 'V': | |
4435 | printf("ss utility, iproute2-ss%s\n", SNAPSHOT); | |
4436 | exit(0); | |
116ac927 RH |
4437 | case 'z': |
4438 | show_sock_ctx++; | |
36df1a6e | 4439 | /* fall through */ |
116ac927 RH |
4440 | case 'Z': |
4441 | if (is_selinux_enabled() <= 0) { | |
4442 | fprintf(stderr, "ss: SELinux is not enabled.\n"); | |
4443 | exit(1); | |
4444 | } | |
4445 | show_proc_ctx++; | |
4446 | user_ent_hash_build(); | |
4447 | break; | |
95ce04bc VK |
4448 | case 'N': |
4449 | if (netns_switch(optarg)) | |
4450 | exit(1); | |
4451 | break; | |
fb2594c1 LC |
4452 | case 'K': |
4453 | current_filter.kill = 1; | |
4454 | break; | |
7a4559f6 DA |
4455 | case 'H': |
4456 | show_header = 0; | |
4457 | break; | |
aba5acdf | 4458 | case 'h': |
7a96e199 | 4459 | help(); |
f73105ab | 4460 | case '?': |
aba5acdf SH |
4461 | default: |
4462 | usage(); | |
4463 | } | |
4464 | } | |
4465 | ||
4466 | argc -= optind; | |
4467 | argv += optind; | |
4468 | ||
aba5acdf SH |
4469 | if (do_summary) { |
4470 | print_summary(); | |
4471 | if (do_default && argc == 0) | |
4472 | exit(0); | |
4473 | } | |
4474 | ||
aba5acdf SH |
4475 | while (argc > 0) { |
4476 | if (strcmp(*argv, "state") == 0) { | |
4477 | NEXT_ARG(); | |
4478 | if (!saw_states) | |
9db7bf15 VK |
4479 | state_filter = 0; |
4480 | state_filter |= scan_state(*argv); | |
aba5acdf SH |
4481 | saw_states = 1; |
4482 | } else if (strcmp(*argv, "exclude") == 0 || | |
4483 | strcmp(*argv, "excl") == 0) { | |
4484 | NEXT_ARG(); | |
4485 | if (!saw_states) | |
9db7bf15 VK |
4486 | state_filter = SS_ALL; |
4487 | state_filter &= ~scan_state(*argv); | |
aba5acdf SH |
4488 | saw_states = 1; |
4489 | } else { | |
aba5acdf SH |
4490 | break; |
4491 | } | |
4492 | argc--; argv++; | |
4493 | } | |
4494 | ||
9db7bf15 VK |
4495 | if (do_default) { |
4496 | state_filter = state_filter ? state_filter : SS_CONN; | |
4497 | filter_default_dbs(¤t_filter); | |
9db7bf15 VK |
4498 | } |
4499 | ||
57ff5a10 VK |
4500 | filter_states_set(¤t_filter, state_filter); |
4501 | filter_merge_defaults(¤t_filter); | |
4502 | ||
9db7bf15 | 4503 | if (resolve_services && resolve_hosts && |
168d97f9 | 4504 | (current_filter.dbs & (UNIX_DBM|INET_L4_DBM))) |
9db7bf15 VK |
4505 | init_service_resolver(); |
4506 | ||
9db7bf15 VK |
4507 | if (current_filter.dbs == 0) { |
4508 | fprintf(stderr, "ss: no socket tables to show with such filter.\n"); | |
4509 | exit(0); | |
4510 | } | |
4511 | if (current_filter.families == 0) { | |
4512 | fprintf(stderr, "ss: no families to show with such filter.\n"); | |
4513 | exit(0); | |
4514 | } | |
aba5acdf SH |
4515 | if (current_filter.states == 0) { |
4516 | fprintf(stderr, "ss: no socket states to show with such filter.\n"); | |
4517 | exit(0); | |
4518 | } | |
4519 | ||
4520 | if (dump_tcpdiag) { | |
4521 | FILE *dump_fp = stdout; | |
acd1e437 | 4522 | |
aba5acdf SH |
4523 | if (!(current_filter.dbs & (1<<TCP_DB))) { |
4524 | fprintf(stderr, "ss: tcpdiag dump requested and no tcp in filter.\n"); | |
4525 | exit(0); | |
4526 | } | |
4527 | if (dump_tcpdiag[0] != '-') { | |
4528 | dump_fp = fopen(dump_tcpdiag, "w"); | |
4529 | if (!dump_tcpdiag) { | |
4530 | perror("fopen dump file"); | |
4531 | exit(-1); | |
4532 | } | |
4533 | } | |
3fe5b534 | 4534 | inet_show_netlink(¤t_filter, dump_fp, IPPROTO_TCP); |
aba5acdf SH |
4535 | fflush(dump_fp); |
4536 | exit(0); | |
4537 | } | |
4538 | ||
1527a17e VK |
4539 | if (ssfilter_parse(¤t_filter.f, argc, argv, filter_fp)) |
4540 | usage(); | |
4541 | ||
aba5acdf SH |
4542 | netid_width = 0; |
4543 | if (current_filter.dbs&(current_filter.dbs-1)) | |
4544 | netid_width = 5; | |
4545 | ||
4546 | state_width = 0; | |
4547 | if (current_filter.states&(current_filter.states-1)) | |
4548 | state_width = 10; | |
4549 | ||
aba5acdf SH |
4550 | if (isatty(STDOUT_FILENO)) { |
4551 | struct winsize w; | |
4552 | ||
4553 | if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) { | |
4554 | if (w.ws_col > 0) | |
4555 | screen_width = w.ws_col; | |
4556 | } | |
4557 | } | |
4558 | ||
4559 | addrp_width = screen_width; | |
4357f5c3 SB |
4560 | if (netid_width) |
4561 | addrp_width -= netid_width + 1; | |
4562 | if (state_width) | |
4563 | addrp_width -= state_width + 1; | |
aba5acdf SH |
4564 | addrp_width -= 14; |
4565 | ||
4566 | if (addrp_width&1) { | |
4567 | if (netid_width) | |
4568 | netid_width++; | |
4569 | else if (state_width) | |
4570 | state_width++; | |
4357f5c3 SB |
4571 | else |
4572 | odd_width_pad = " "; | |
aba5acdf SH |
4573 | } |
4574 | ||
4575 | addrp_width /= 2; | |
4576 | addrp_width--; | |
4577 | ||
4578 | serv_width = resolve_services ? 7 : 5; | |
4579 | ||
4580 | if (addrp_width < 15+serv_width+1) | |
4581 | addrp_width = 15+serv_width+1; | |
4582 | ||
ae665a52 | 4583 | addr_width = addrp_width - serv_width - 1; |
aba5acdf | 4584 | |
7a4559f6 DA |
4585 | if (show_header) { |
4586 | if (netid_width) | |
90351722 | 4587 | out("%-*s ", netid_width, "Netid"); |
7a4559f6 | 4588 | if (state_width) |
90351722 SB |
4589 | out("%-*s ", state_width, "State"); |
4590 | out("%-6s %-6s %s", "Recv-Q", "Send-Q", odd_width_pad); | |
7a4559f6 | 4591 | } |
aba5acdf | 4592 | |
d68e00f7 | 4593 | /* Make enough space for the local/remote port field */ |
4594 | addr_width -= 13; | |
4595 | serv_width += 13; | |
2dc85485 | 4596 | |
7a4559f6 | 4597 | if (show_header) { |
90351722 SB |
4598 | out("%*s:%-*s %*s:%-*s\n", |
4599 | addr_width, "Local Address", serv_width, "Port", | |
4600 | addr_width, "Peer Address", serv_width, "Port"); | |
7a4559f6 | 4601 | } |
aba5acdf | 4602 | |
aba5acdf SH |
4603 | fflush(stdout); |
4604 | ||
6885e3bf CG |
4605 | if (follow_events) |
4606 | exit(handle_follow_request(¤t_filter)); | |
4607 | ||
aba5acdf SH |
4608 | if (current_filter.dbs & (1<<NETLINK_DB)) |
4609 | netlink_show(¤t_filter); | |
4610 | if (current_filter.dbs & PACKET_DBM) | |
4611 | packet_show(¤t_filter); | |
4612 | if (current_filter.dbs & UNIX_DBM) | |
4613 | unix_show(¤t_filter); | |
4614 | if (current_filter.dbs & (1<<RAW_DB)) | |
4615 | raw_show(¤t_filter); | |
4616 | if (current_filter.dbs & (1<<UDP_DB)) | |
4617 | udp_show(¤t_filter); | |
4618 | if (current_filter.dbs & (1<<TCP_DB)) | |
6c6bbc30 | 4619 | tcp_show(¤t_filter); |
351efcde | 4620 | if (current_filter.dbs & (1<<DCCP_DB)) |
6c6bbc30 | 4621 | dccp_show(¤t_filter); |
f89d46ad PS |
4622 | if (current_filter.dbs & (1<<SCTP_DB)) |
4623 | sctp_show(¤t_filter); | |
c759116a SH |
4624 | if (current_filter.dbs & VSOCK_DBM) |
4625 | vsock_show(¤t_filter); | |
116ac927 RH |
4626 | |
4627 | if (show_users || show_proc_ctx || show_sock_ctx) | |
4628 | user_ent_destroy(); | |
4629 | ||
aba5acdf SH |
4630 | return 0; |
4631 | } |