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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> |
aba5acdf SH |
29 | |
30 | #include "utils.h" | |
31 | #include "rt_names.h" | |
32 | #include "ll_map.h" | |
33 | #include "libnetlink.h" | |
95ce04bc | 34 | #include "namespace.h" |
aba5acdf SH |
35 | #include "SNAPSHOT.h" |
36 | ||
9cb1eccf | 37 | #include <linux/tcp.h> |
f6062360 | 38 | #include <linux/sock_diag.h> |
351efcde | 39 | #include <linux/inet_diag.h> |
dfbaa90d | 40 | #include <linux/unix_diag.h> |
372c30d2 ND |
41 | #include <linux/netdevice.h> /* for MAX_ADDR_LEN */ |
42 | #include <linux/filter.h> | |
43 | #include <linux/packet_diag.h> | |
ecb928c8 | 44 | #include <linux/netlink_diag.h> |
f89d46ad | 45 | #include <linux/sctp.h> |
c759116a | 46 | #include <linux/vm_sockets_diag.h> |
aba5acdf | 47 | |
8a4025f6 | 48 | #define MAGIC_SEQ 123456 |
49 | ||
5fb421d4 | 50 | #define DIAG_REQUEST(_req, _r) \ |
51 | struct { \ | |
52 | struct nlmsghdr nlh; \ | |
53 | _r; \ | |
54 | } _req = { \ | |
55 | .nlh = { \ | |
56 | .nlmsg_type = SOCK_DIAG_BY_FAMILY, \ | |
57 | .nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST,\ | |
8a4025f6 | 58 | .nlmsg_seq = MAGIC_SEQ, \ |
5fb421d4 | 59 | .nlmsg_len = sizeof(_req), \ |
60 | }, \ | |
61 | } | |
62 | ||
116ac927 RH |
63 | #if HAVE_SELINUX |
64 | #include <selinux/selinux.h> | |
65 | #else | |
66 | /* Stubs for SELinux functions */ | |
67 | static int is_selinux_enabled(void) | |
68 | { | |
69 | return -1; | |
70 | } | |
71 | ||
72 | static int getpidcon(pid_t pid, char **context) | |
73 | { | |
74 | *context = NULL; | |
75 | return -1; | |
76 | } | |
77 | ||
78 | static int getfilecon(char *path, char **context) | |
79 | { | |
80 | *context = NULL; | |
81 | return -1; | |
82 | } | |
83 | ||
84 | static int security_get_initial_context(char *name, char **context) | |
85 | { | |
86 | *context = NULL; | |
87 | return -1; | |
88 | } | |
89 | #endif | |
90 | ||
aba5acdf SH |
91 | int resolve_services = 1; |
92 | int preferred_family = AF_UNSPEC; | |
acd1e437 SH |
93 | int show_options; |
94 | int show_details; | |
95 | int show_users; | |
96 | int show_mem; | |
97 | int show_tcpinfo; | |
98 | int show_bpf; | |
99 | int show_proc_ctx; | |
100 | int show_sock_ctx; | |
7a4559f6 | 101 | int show_header = 1; |
acd1e437 | 102 | int follow_events; |
f89d46ad | 103 | int sctp_ino; |
aba5acdf SH |
104 | |
105 | int netid_width; | |
106 | int state_width; | |
aba5acdf SH |
107 | int addr_width; |
108 | int serv_width; | |
4357f5c3 | 109 | char *odd_width_pad = ""; |
aba5acdf SH |
110 | |
111 | static const char *TCP_PROTO = "tcp"; | |
f89d46ad | 112 | static const char *SCTP_PROTO = "sctp"; |
aba5acdf SH |
113 | static const char *UDP_PROTO = "udp"; |
114 | static const char *RAW_PROTO = "raw"; | |
acd1e437 | 115 | static const char *dg_proto; |
aba5acdf | 116 | |
acd1e437 | 117 | enum { |
aba5acdf | 118 | TCP_DB, |
351efcde | 119 | DCCP_DB, |
aba5acdf SH |
120 | UDP_DB, |
121 | RAW_DB, | |
122 | UNIX_DG_DB, | |
123 | UNIX_ST_DB, | |
30b669d7 | 124 | UNIX_SQ_DB, |
aba5acdf SH |
125 | PACKET_DG_DB, |
126 | PACKET_R_DB, | |
127 | NETLINK_DB, | |
f89d46ad | 128 | SCTP_DB, |
c759116a SH |
129 | VSOCK_ST_DB, |
130 | VSOCK_DG_DB, | |
aba5acdf SH |
131 | MAX_DB |
132 | }; | |
133 | ||
134 | #define PACKET_DBM ((1<<PACKET_DG_DB)|(1<<PACKET_R_DB)) | |
30b669d7 | 135 | #define UNIX_DBM ((1<<UNIX_DG_DB)|(1<<UNIX_ST_DB)|(1<<UNIX_SQ_DB)) |
aba5acdf | 136 | #define ALL_DB ((1<<MAX_DB)-1) |
168d97f9 SH |
137 | #define INET_L4_DBM ((1<<TCP_DB)|(1<<UDP_DB)|(1<<DCCP_DB)|(1<<SCTP_DB)) |
138 | #define INET_DBM (INET_L4_DBM | (1<<RAW_DB)) | |
c759116a | 139 | #define VSOCK_DBM ((1<<VSOCK_ST_DB)|(1<<VSOCK_DG_DB)) |
aba5acdf SH |
140 | |
141 | enum { | |
7d105b56 SH |
142 | SS_UNKNOWN, |
143 | SS_ESTABLISHED, | |
144 | SS_SYN_SENT, | |
145 | SS_SYN_RECV, | |
146 | SS_FIN_WAIT1, | |
147 | SS_FIN_WAIT2, | |
148 | SS_TIME_WAIT, | |
149 | SS_CLOSE, | |
150 | SS_CLOSE_WAIT, | |
151 | SS_LAST_ACK, | |
152 | SS_LISTEN, | |
153 | SS_CLOSING, | |
154 | SS_MAX | |
aba5acdf SH |
155 | }; |
156 | ||
f89d46ad PS |
157 | enum { |
158 | SCTP_STATE_CLOSED = 0, | |
159 | SCTP_STATE_COOKIE_WAIT = 1, | |
160 | SCTP_STATE_COOKIE_ECHOED = 2, | |
161 | SCTP_STATE_ESTABLISHED = 3, | |
162 | SCTP_STATE_SHUTDOWN_PENDING = 4, | |
163 | SCTP_STATE_SHUTDOWN_SENT = 5, | |
164 | SCTP_STATE_SHUTDOWN_RECEIVED = 6, | |
165 | SCTP_STATE_SHUTDOWN_ACK_SENT = 7, | |
166 | }; | |
167 | ||
9db7bf15 VK |
168 | #define SS_ALL ((1 << SS_MAX) - 1) |
169 | #define SS_CONN (SS_ALL & ~((1<<SS_LISTEN)|(1<<SS_CLOSE)|(1<<SS_TIME_WAIT)|(1<<SS_SYN_RECV))) | |
aba5acdf SH |
170 | |
171 | #include "ssfilter.h" | |
172 | ||
acd1e437 | 173 | struct filter { |
aba5acdf SH |
174 | int dbs; |
175 | int states; | |
b338a3e7 | 176 | uint64_t families; |
aba5acdf | 177 | struct ssfilter *f; |
fb2594c1 | 178 | bool kill; |
aba5acdf SH |
179 | }; |
180 | ||
b338a3e7 SH |
181 | #define FAMILY_MASK(family) ((uint64_t)1 << (family)) |
182 | ||
9db7bf15 VK |
183 | static const struct filter default_dbs[MAX_DB] = { |
184 | [TCP_DB] = { | |
185 | .states = SS_CONN, | |
b338a3e7 | 186 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
9db7bf15 VK |
187 | }, |
188 | [DCCP_DB] = { | |
189 | .states = SS_CONN, | |
b338a3e7 | 190 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
9db7bf15 VK |
191 | }, |
192 | [UDP_DB] = { | |
f42a4574 | 193 | .states = (1 << SS_ESTABLISHED), |
b338a3e7 | 194 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
9db7bf15 VK |
195 | }, |
196 | [RAW_DB] = { | |
f42a4574 | 197 | .states = (1 << SS_ESTABLISHED), |
b338a3e7 | 198 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
9db7bf15 VK |
199 | }, |
200 | [UNIX_DG_DB] = { | |
201 | .states = (1 << SS_CLOSE), | |
b338a3e7 | 202 | .families = FAMILY_MASK(AF_UNIX), |
9db7bf15 VK |
203 | }, |
204 | [UNIX_ST_DB] = { | |
205 | .states = SS_CONN, | |
b338a3e7 | 206 | .families = FAMILY_MASK(AF_UNIX), |
9db7bf15 VK |
207 | }, |
208 | [UNIX_SQ_DB] = { | |
209 | .states = SS_CONN, | |
b338a3e7 | 210 | .families = FAMILY_MASK(AF_UNIX), |
9db7bf15 VK |
211 | }, |
212 | [PACKET_DG_DB] = { | |
213 | .states = (1 << SS_CLOSE), | |
b338a3e7 | 214 | .families = FAMILY_MASK(AF_PACKET), |
9db7bf15 VK |
215 | }, |
216 | [PACKET_R_DB] = { | |
217 | .states = (1 << SS_CLOSE), | |
b338a3e7 | 218 | .families = FAMILY_MASK(AF_PACKET), |
9db7bf15 VK |
219 | }, |
220 | [NETLINK_DB] = { | |
221 | .states = (1 << SS_CLOSE), | |
b338a3e7 | 222 | .families = FAMILY_MASK(AF_NETLINK), |
9db7bf15 | 223 | }, |
f89d46ad PS |
224 | [SCTP_DB] = { |
225 | .states = SS_CONN, | |
b338a3e7 | 226 | .families = FAMILY_MASK(AF_INET) | FAMILY_MASK(AF_INET6), |
f89d46ad | 227 | }, |
c759116a SH |
228 | [VSOCK_ST_DB] = { |
229 | .states = SS_CONN, | |
230 | .families = FAMILY_MASK(AF_VSOCK), | |
231 | }, | |
232 | [VSOCK_DG_DB] = { | |
233 | .states = SS_CONN, | |
234 | .families = FAMILY_MASK(AF_VSOCK), | |
235 | }, | |
aba5acdf SH |
236 | }; |
237 | ||
9db7bf15 VK |
238 | static const struct filter default_afs[AF_MAX] = { |
239 | [AF_INET] = { | |
240 | .dbs = INET_DBM, | |
241 | .states = SS_CONN, | |
242 | }, | |
243 | [AF_INET6] = { | |
244 | .dbs = INET_DBM, | |
245 | .states = SS_CONN, | |
246 | }, | |
247 | [AF_UNIX] = { | |
248 | .dbs = UNIX_DBM, | |
249 | .states = SS_CONN, | |
250 | }, | |
251 | [AF_PACKET] = { | |
252 | .dbs = PACKET_DBM, | |
253 | .states = (1 << SS_CLOSE), | |
254 | }, | |
255 | [AF_NETLINK] = { | |
256 | .dbs = (1 << NETLINK_DB), | |
257 | .states = (1 << SS_CLOSE), | |
258 | }, | |
c759116a SH |
259 | [AF_VSOCK] = { |
260 | .dbs = VSOCK_DBM, | |
261 | .states = SS_CONN, | |
262 | }, | |
9db7bf15 VK |
263 | }; |
264 | ||
265 | static int do_default = 1; | |
266 | static struct filter current_filter; | |
267 | ||
268 | static void filter_db_set(struct filter *f, int db) | |
269 | { | |
270 | f->states |= default_dbs[db].states; | |
9db7bf15 VK |
271 | f->dbs |= 1 << db; |
272 | do_default = 0; | |
273 | } | |
274 | ||
275 | static void filter_af_set(struct filter *f, int af) | |
276 | { | |
1527a17e | 277 | f->states |= default_afs[af].states; |
b338a3e7 | 278 | f->families |= FAMILY_MASK(af); |
1527a17e VK |
279 | do_default = 0; |
280 | preferred_family = af; | |
9db7bf15 VK |
281 | } |
282 | ||
283 | static int filter_af_get(struct filter *f, int af) | |
284 | { | |
b338a3e7 | 285 | return !!(f->families & FAMILY_MASK(af)); |
9db7bf15 VK |
286 | } |
287 | ||
288 | static void filter_default_dbs(struct filter *f) | |
289 | { | |
290 | filter_db_set(f, UDP_DB); | |
291 | filter_db_set(f, DCCP_DB); | |
292 | filter_db_set(f, TCP_DB); | |
293 | filter_db_set(f, RAW_DB); | |
294 | filter_db_set(f, UNIX_ST_DB); | |
295 | filter_db_set(f, UNIX_DG_DB); | |
296 | filter_db_set(f, UNIX_SQ_DB); | |
297 | filter_db_set(f, PACKET_R_DB); | |
298 | filter_db_set(f, PACKET_DG_DB); | |
299 | filter_db_set(f, NETLINK_DB); | |
f89d46ad | 300 | filter_db_set(f, SCTP_DB); |
c759116a SH |
301 | filter_db_set(f, VSOCK_ST_DB); |
302 | filter_db_set(f, VSOCK_DG_DB); | |
9db7bf15 VK |
303 | } |
304 | ||
57ff5a10 | 305 | static void filter_states_set(struct filter *f, int states) |
9db7bf15 | 306 | { |
57ff5a10 | 307 | if (states) |
9d320e1e | 308 | f->states = states; |
57ff5a10 | 309 | } |
9db7bf15 | 310 | |
57ff5a10 VK |
311 | static void filter_merge_defaults(struct filter *f) |
312 | { | |
313 | int db; | |
314 | int af; | |
9db7bf15 | 315 | |
57ff5a10 VK |
316 | for (db = 0; db < MAX_DB; db++) { |
317 | if (!(f->dbs & (1 << db))) | |
318 | continue; | |
9db7bf15 | 319 | |
57ff5a10 VK |
320 | if (!(default_dbs[db].families & f->families)) |
321 | f->families |= default_dbs[db].families; | |
322 | } | |
323 | for (af = 0; af < AF_MAX; af++) { | |
b338a3e7 | 324 | if (!(f->families & FAMILY_MASK(af))) |
57ff5a10 VK |
325 | continue; |
326 | ||
327 | if (!(default_afs[af].dbs & f->dbs)) | |
328 | f->dbs |= default_afs[af].dbs; | |
329 | } | |
9db7bf15 | 330 | } |
aba5acdf | 331 | |
ab01dbbb | 332 | static FILE *generic_proc_open(const char *env, const char *name) |
aba5acdf | 333 | { |
ab01dbbb | 334 | const char *p = getenv(env); |
aba5acdf | 335 | char store[128]; |
ab01dbbb | 336 | |
aba5acdf SH |
337 | if (!p) { |
338 | p = getenv("PROC_ROOT") ? : "/proc"; | |
339 | snprintf(store, sizeof(store)-1, "%s/%s", p, name); | |
340 | p = store; | |
341 | } | |
ab01dbbb SH |
342 | |
343 | return fopen(p, "r"); | |
aba5acdf | 344 | } |
0cb74a86 PS |
345 | #define net_tcp_open() generic_proc_open("PROC_NET_TCP", "net/tcp") |
346 | #define net_tcp6_open() generic_proc_open("PROC_NET_TCP6", "net/tcp6") | |
347 | #define net_udp_open() generic_proc_open("PROC_NET_UDP", "net/udp") | |
348 | #define net_udp6_open() generic_proc_open("PROC_NET_UDP6", "net/udp6") | |
349 | #define net_raw_open() generic_proc_open("PROC_NET_RAW", "net/raw") | |
350 | #define net_raw6_open() generic_proc_open("PROC_NET_RAW6", "net/raw6") | |
351 | #define net_unix_open() generic_proc_open("PROC_NET_UNIX", "net/unix") | |
352 | #define net_packet_open() generic_proc_open("PROC_NET_PACKET", \ | |
353 | "net/packet") | |
354 | #define net_netlink_open() generic_proc_open("PROC_NET_NETLINK", \ | |
355 | "net/netlink") | |
356 | #define slabinfo_open() generic_proc_open("PROC_SLABINFO", "slabinfo") | |
357 | #define net_sockstat_open() generic_proc_open("PROC_NET_SOCKSTAT", \ | |
358 | "net/sockstat") | |
359 | #define net_sockstat6_open() generic_proc_open("PROC_NET_SOCKSTAT6", \ | |
360 | "net/sockstat6") | |
361 | #define net_snmp_open() generic_proc_open("PROC_NET_SNMP", "net/snmp") | |
362 | #define ephemeral_ports_open() generic_proc_open("PROC_IP_LOCAL_PORT_RANGE", \ | |
363 | "sys/net/ipv4/ip_local_port_range") | |
aba5acdf | 364 | |
fbc0f876 SF |
365 | struct user_ent { |
366 | struct user_ent *next; | |
367 | unsigned int ino; | |
368 | int pid; | |
369 | int fd; | |
116ac927 RH |
370 | char *process; |
371 | char *process_ctx; | |
372 | char *socket_ctx; | |
fbc0f876 SF |
373 | }; |
374 | ||
375 | #define USER_ENT_HASH_SIZE 256 | |
376 | struct user_ent *user_ent_hash[USER_ENT_HASH_SIZE]; | |
377 | ||
378 | static int user_ent_hashfn(unsigned int ino) | |
aba5acdf | 379 | { |
fbc0f876 | 380 | int val = (ino >> 24) ^ (ino >> 16) ^ (ino >> 8) ^ ino; |
aba5acdf | 381 | |
fbc0f876 SF |
382 | return val & (USER_ENT_HASH_SIZE - 1); |
383 | } | |
384 | ||
116ac927 RH |
385 | static void user_ent_add(unsigned int ino, char *process, |
386 | int pid, int fd, | |
387 | char *proc_ctx, | |
388 | char *sock_ctx) | |
fbc0f876 SF |
389 | { |
390 | struct user_ent *p, **pp; | |
aba5acdf | 391 | |
116ac927 RH |
392 | p = malloc(sizeof(struct user_ent)); |
393 | if (!p) { | |
394 | fprintf(stderr, "ss: failed to malloc buffer\n"); | |
fbc0f876 | 395 | abort(); |
116ac927 | 396 | } |
fbc0f876 SF |
397 | p->next = NULL; |
398 | p->ino = ino; | |
399 | p->pid = pid; | |
400 | p->fd = fd; | |
116ac927 RH |
401 | p->process = strdup(process); |
402 | p->process_ctx = strdup(proc_ctx); | |
403 | p->socket_ctx = strdup(sock_ctx); | |
fbc0f876 SF |
404 | |
405 | pp = &user_ent_hash[user_ent_hashfn(ino)]; | |
406 | p->next = *pp; | |
407 | *pp = p; | |
408 | } | |
aba5acdf | 409 | |
116ac927 RH |
410 | static void user_ent_destroy(void) |
411 | { | |
412 | struct user_ent *p, *p_next; | |
413 | int cnt = 0; | |
414 | ||
415 | while (cnt != USER_ENT_HASH_SIZE) { | |
416 | p = user_ent_hash[cnt]; | |
417 | while (p) { | |
418 | free(p->process); | |
419 | free(p->process_ctx); | |
420 | free(p->socket_ctx); | |
421 | p_next = p->next; | |
422 | free(p); | |
423 | p = p_next; | |
424 | } | |
425 | cnt++; | |
426 | } | |
427 | } | |
428 | ||
fbc0f876 SF |
429 | static void user_ent_hash_build(void) |
430 | { | |
431 | const char *root = getenv("PROC_ROOT") ? : "/proc/"; | |
432 | struct dirent *d; | |
433 | char name[1024]; | |
434 | int nameoff; | |
435 | DIR *dir; | |
116ac927 RH |
436 | char *pid_context; |
437 | char *sock_context; | |
438 | const char *no_ctx = "unavailable"; | |
b25bad2f | 439 | static int user_ent_hash_build_init; |
116ac927 RH |
440 | |
441 | /* If show_users & show_proc_ctx set only do this once */ | |
442 | if (user_ent_hash_build_init != 0) | |
443 | return; | |
444 | ||
445 | user_ent_hash_build_init = 1; | |
fbc0f876 | 446 | |
18f156bf | 447 | strlcpy(name, root, sizeof(name)); |
0ee9052f | 448 | |
fbc0f876 | 449 | if (strlen(name) == 0 || name[strlen(name)-1] != '/') |
aba5acdf | 450 | strcat(name, "/"); |
fbc0f876 | 451 | |
aba5acdf | 452 | nameoff = strlen(name); |
fbc0f876 SF |
453 | |
454 | dir = opendir(name); | |
455 | if (!dir) | |
456 | return; | |
aba5acdf SH |
457 | |
458 | while ((d = readdir(dir)) != NULL) { | |
aba5acdf | 459 | struct dirent *d1; |
aba5acdf | 460 | char process[16]; |
116ac927 | 461 | char *p; |
fbc0f876 SF |
462 | int pid, pos; |
463 | DIR *dir1; | |
464 | char crap; | |
aba5acdf SH |
465 | |
466 | if (sscanf(d->d_name, "%d%c", &pid, &crap) != 1) | |
467 | continue; | |
468 | ||
116ac927 RH |
469 | if (getpidcon(pid, &pid_context) != 0) |
470 | pid_context = strdup(no_ctx); | |
471 | ||
0ee9052f | 472 | snprintf(name + nameoff, sizeof(name) - nameoff, "%d/fd/", pid); |
aba5acdf | 473 | pos = strlen(name); |
a02371fb PS |
474 | if ((dir1 = opendir(name)) == NULL) { |
475 | free(pid_context); | |
aba5acdf | 476 | continue; |
a02371fb | 477 | } |
aba5acdf | 478 | |
fbc0f876 | 479 | process[0] = '\0'; |
116ac927 | 480 | p = process; |
aba5acdf SH |
481 | |
482 | while ((d1 = readdir(dir1)) != NULL) { | |
fbc0f876 SF |
483 | const char *pattern = "socket:["; |
484 | unsigned int ino; | |
aba5acdf | 485 | char lnk[64]; |
18445b3e | 486 | int fd; |
788731b3 | 487 | ssize_t link_len; |
116ac927 | 488 | char tmp[1024]; |
aba5acdf SH |
489 | |
490 | if (sscanf(d1->d_name, "%d%c", &fd, &crap) != 1) | |
491 | continue; | |
492 | ||
0ee9052f | 493 | snprintf(name+pos, sizeof(name) - pos, "%d", fd); |
788731b3 TJ |
494 | |
495 | link_len = readlink(name, lnk, sizeof(lnk)-1); | |
496 | if (link_len == -1) | |
497 | continue; | |
498 | lnk[link_len] = '\0'; | |
499 | ||
500 | if (strncmp(lnk, pattern, strlen(pattern))) | |
aba5acdf SH |
501 | continue; |
502 | ||
fbc0f876 | 503 | sscanf(lnk, "socket:[%u]", &ino); |
aba5acdf | 504 | |
116ac927 RH |
505 | snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s", |
506 | root, pid, d1->d_name); | |
507 | ||
508 | if (getfilecon(tmp, &sock_context) <= 0) | |
509 | sock_context = strdup(no_ctx); | |
510 | ||
511 | if (*p == '\0') { | |
aba5acdf | 512 | FILE *fp; |
fbc0f876 | 513 | |
116ac927 RH |
514 | snprintf(tmp, sizeof(tmp), "%s/%d/stat", |
515 | root, pid); | |
aba5acdf | 516 | if ((fp = fopen(tmp, "r")) != NULL) { |
d572ed4d PS |
517 | if (fscanf(fp, "%*d (%[^)])", p) < 1) |
518 | ; /* ignore */ | |
aba5acdf SH |
519 | fclose(fp); |
520 | } | |
521 | } | |
116ac927 RH |
522 | user_ent_add(ino, p, pid, fd, |
523 | pid_context, sock_context); | |
524 | free(sock_context); | |
aba5acdf | 525 | } |
116ac927 | 526 | free(pid_context); |
aba5acdf SH |
527 | closedir(dir1); |
528 | } | |
529 | closedir(dir); | |
fbc0f876 SF |
530 | } |
531 | ||
116ac927 RH |
532 | enum entry_types { |
533 | USERS, | |
534 | PROC_CTX, | |
535 | PROC_SOCK_CTX | |
536 | }; | |
537 | ||
538 | #define ENTRY_BUF_SIZE 512 | |
acd1e437 | 539 | static int find_entry(unsigned int ino, char **buf, int type) |
fbc0f876 SF |
540 | { |
541 | struct user_ent *p; | |
542 | int cnt = 0; | |
543 | char *ptr; | |
532ca40a | 544 | char *new_buf; |
116ac927 RH |
545 | int len, new_buf_len; |
546 | int buf_used = 0; | |
547 | int buf_len = 0; | |
fbc0f876 SF |
548 | |
549 | if (!ino) | |
550 | return 0; | |
551 | ||
552 | p = user_ent_hash[user_ent_hashfn(ino)]; | |
116ac927 | 553 | ptr = *buf = NULL; |
fbc0f876 SF |
554 | while (p) { |
555 | if (p->ino != ino) | |
556 | goto next; | |
557 | ||
116ac927 RH |
558 | while (1) { |
559 | ptr = *buf + buf_used; | |
560 | switch (type) { | |
561 | case USERS: | |
562 | len = snprintf(ptr, buf_len - buf_used, | |
563 | "(\"%s\",pid=%d,fd=%d),", | |
564 | p->process, p->pid, p->fd); | |
565 | break; | |
566 | case PROC_CTX: | |
567 | len = snprintf(ptr, buf_len - buf_used, | |
568 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d),", | |
569 | p->process, p->pid, | |
570 | p->process_ctx, p->fd); | |
571 | break; | |
572 | case PROC_SOCK_CTX: | |
573 | len = snprintf(ptr, buf_len - buf_used, | |
574 | "(\"%s\",pid=%d,proc_ctx=%s,fd=%d,sock_ctx=%s),", | |
575 | p->process, p->pid, | |
576 | p->process_ctx, p->fd, | |
577 | p->socket_ctx); | |
578 | break; | |
579 | default: | |
580 | fprintf(stderr, "ss: invalid type: %d\n", type); | |
581 | abort(); | |
582 | } | |
fbc0f876 | 583 | |
116ac927 RH |
584 | if (len < 0 || len >= buf_len - buf_used) { |
585 | new_buf_len = buf_len + ENTRY_BUF_SIZE; | |
532ca40a | 586 | new_buf = realloc(*buf, new_buf_len); |
116ac927 RH |
587 | if (!new_buf) { |
588 | fprintf(stderr, "ss: failed to malloc buffer\n"); | |
589 | abort(); | |
590 | } | |
532ca40a | 591 | *buf = new_buf; |
116ac927 RH |
592 | buf_len = new_buf_len; |
593 | continue; | |
594 | } else { | |
595 | buf_used += len; | |
596 | break; | |
597 | } | |
598 | } | |
fbc0f876 | 599 | cnt++; |
116ac927 | 600 | next: |
fbc0f876 SF |
601 | p = p->next; |
602 | } | |
116ac927 RH |
603 | if (buf_used) { |
604 | ptr = *buf + buf_used; | |
fbc0f876 | 605 | ptr[-1] = '\0'; |
116ac927 | 606 | } |
aba5acdf SH |
607 | return cnt; |
608 | } | |
609 | ||
aba5acdf SH |
610 | /* Get stats from slab */ |
611 | ||
acd1e437 | 612 | struct slabstat { |
aba5acdf SH |
613 | int socks; |
614 | int tcp_ports; | |
615 | int tcp_tws; | |
616 | int tcp_syns; | |
617 | int skbs; | |
618 | }; | |
619 | ||
a221d621 | 620 | static struct slabstat slabstat; |
aba5acdf | 621 | |
d1f28cf1 | 622 | static int get_slabstat(struct slabstat *s) |
aba5acdf SH |
623 | { |
624 | char buf[256]; | |
625 | FILE *fp; | |
626 | int cnt; | |
a221d621 | 627 | static int slabstat_valid; |
b3535dd6 PS |
628 | static const char * const slabstat_ids[] = { |
629 | "sock", | |
630 | "tcp_bind_bucket", | |
631 | "tcp_tw_bucket", | |
632 | "tcp_open_request", | |
633 | "skbuff_head_cache", | |
634 | }; | |
a221d621 BL |
635 | |
636 | if (slabstat_valid) | |
637 | return 0; | |
aba5acdf SH |
638 | |
639 | memset(s, 0, sizeof(*s)); | |
640 | ||
ab01dbbb SH |
641 | fp = slabinfo_open(); |
642 | if (!fp) | |
aba5acdf SH |
643 | return -1; |
644 | ||
645 | cnt = sizeof(*s)/sizeof(int); | |
646 | ||
d572ed4d PS |
647 | if (!fgets(buf, sizeof(buf), fp)) { |
648 | fclose(fp); | |
649 | return -1; | |
650 | } | |
acd1e437 | 651 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
aba5acdf | 652 | int i; |
acd1e437 | 653 | |
62000e51 | 654 | for (i = 0; i < ARRAY_SIZE(slabstat_ids); i++) { |
aba5acdf SH |
655 | if (memcmp(buf, slabstat_ids[i], strlen(slabstat_ids[i])) == 0) { |
656 | sscanf(buf, "%*s%d", ((int *)s) + i); | |
657 | cnt--; | |
658 | break; | |
659 | } | |
660 | } | |
661 | if (cnt <= 0) | |
662 | break; | |
663 | } | |
664 | ||
a221d621 BL |
665 | slabstat_valid = 1; |
666 | ||
aba5acdf SH |
667 | fclose(fp); |
668 | return 0; | |
669 | } | |
670 | ||
2e7e805d | 671 | static unsigned long long cookie_sk_get(const uint32_t *cookie) |
f1b39e1b | 672 | { |
2e7e805d | 673 | return (((unsigned long long)cookie[1] << 31) << 1) | cookie[0]; |
f1b39e1b VK |
674 | } |
675 | ||
f89d46ad PS |
676 | static const char *sctp_sstate_name[] = { |
677 | [SCTP_STATE_CLOSED] = "CLOSED", | |
678 | [SCTP_STATE_COOKIE_WAIT] = "COOKIE_WAIT", | |
679 | [SCTP_STATE_COOKIE_ECHOED] = "COOKIE_ECHOED", | |
680 | [SCTP_STATE_ESTABLISHED] = "ESTAB", | |
681 | [SCTP_STATE_SHUTDOWN_PENDING] = "SHUTDOWN_PENDING", | |
682 | [SCTP_STATE_SHUTDOWN_SENT] = "SHUTDOWN_SENT", | |
683 | [SCTP_STATE_SHUTDOWN_RECEIVED] = "SHUTDOWN_RECEIVED", | |
684 | [SCTP_STATE_SHUTDOWN_ACK_SENT] = "ACK_SENT", | |
685 | }; | |
686 | ||
acd1e437 | 687 | struct sockstat { |
ec4d0d8a VK |
688 | struct sockstat *next; |
689 | unsigned int type; | |
89f634f9 | 690 | uint16_t prot; |
41fe6c34 | 691 | uint16_t raw_prot; |
8250bc9f VK |
692 | inet_prefix local; |
693 | inet_prefix remote; | |
694 | int lport; | |
695 | int rport; | |
696 | int state; | |
697 | int rq, wq; | |
acd1e437 SH |
698 | unsigned int ino; |
699 | unsigned int uid; | |
8250bc9f VK |
700 | int refcnt; |
701 | unsigned int iface; | |
702 | unsigned long long sk; | |
99bb68ff VK |
703 | char *name; |
704 | char *peer_name; | |
ec75249b | 705 | __u32 mark; |
055840f2 VK |
706 | }; |
707 | ||
acd1e437 | 708 | struct dctcpstat { |
055840f2 VK |
709 | unsigned int ce_state; |
710 | unsigned int alpha; | |
711 | unsigned int ab_ecn; | |
712 | unsigned int ab_tot; | |
713 | bool enabled; | |
714 | }; | |
715 | ||
acd1e437 | 716 | struct tcpstat { |
055840f2 | 717 | struct sockstat ss; |
4cbf5224 PS |
718 | unsigned int timer; |
719 | unsigned int timeout; | |
8250bc9f | 720 | int probes; |
d2055ea5 | 721 | char cong_alg[16]; |
8250bc9f | 722 | double rto, ato, rtt, rttvar; |
d1f338b3 | 723 | int qack, ssthresh, backoff; |
8250bc9f VK |
724 | double send_bps; |
725 | int snd_wscale; | |
726 | int rcv_wscale; | |
727 | int mss; | |
38e6dbc4 ED |
728 | int rcv_mss; |
729 | int advmss; | |
d1f338b3 | 730 | unsigned int cwnd; |
8250bc9f VK |
731 | unsigned int lastsnd; |
732 | unsigned int lastrcv; | |
733 | unsigned int lastack; | |
734 | double pacing_rate; | |
735 | double pacing_rate_max; | |
2f579872 | 736 | double delivery_rate; |
1a4dda71 ED |
737 | unsigned long long bytes_acked; |
738 | unsigned long long bytes_received; | |
ecb435ea CG |
739 | unsigned int segs_out; |
740 | unsigned int segs_in; | |
414aeec9 MKL |
741 | unsigned int data_segs_out; |
742 | unsigned int data_segs_in; | |
8250bc9f VK |
743 | unsigned int unacked; |
744 | unsigned int retrans; | |
745 | unsigned int retrans_total; | |
746 | unsigned int lost; | |
747 | unsigned int sacked; | |
748 | unsigned int fackets; | |
749 | unsigned int reordering; | |
9e99e495 | 750 | unsigned int not_sent; |
8250bc9f | 751 | double rcv_rtt; |
9e99e495 | 752 | double min_rtt; |
8250bc9f | 753 | int rcv_space; |
00ac78d3 | 754 | unsigned int rcv_ssthresh; |
b6c7fc61 YC |
755 | unsigned long long busy_time; |
756 | unsigned long long rwnd_limited; | |
757 | unsigned long long sndbuf_limited; | |
8250bc9f VK |
758 | bool has_ts_opt; |
759 | bool has_sack_opt; | |
760 | bool has_ecn_opt; | |
761 | bool has_ecnseen_opt; | |
762 | bool has_fastopen_opt; | |
763 | bool has_wscale_opt; | |
2f579872 | 764 | bool app_limited; |
8250bc9f | 765 | struct dctcpstat *dctcp; |
2f0f9aef | 766 | struct tcp_bbr_info *bbr_info; |
aba5acdf SH |
767 | }; |
768 | ||
f89d46ad PS |
769 | /* SCTP assocs share the same inode number with their parent endpoint. So if we |
770 | * have seen the inode number before, it must be an assoc instead of the next | |
771 | * endpoint. */ | |
772 | static bool is_sctp_assoc(struct sockstat *s, const char *sock_name) | |
773 | { | |
774 | if (strcmp(sock_name, "sctp")) | |
775 | return false; | |
776 | if (!sctp_ino || sctp_ino != s->ino) | |
777 | return false; | |
778 | return true; | |
779 | } | |
780 | ||
be7e4d20 PS |
781 | static const char *unix_netid_name(int type) |
782 | { | |
783 | switch (type) { | |
784 | case SOCK_STREAM: | |
785 | return "u_str"; | |
786 | case SOCK_SEQPACKET: | |
787 | return "u_seq"; | |
788 | case SOCK_DGRAM: | |
789 | default: | |
790 | return "u_dgr"; | |
791 | } | |
792 | } | |
793 | ||
794 | static const char *proto_name(int protocol) | |
2d791bc8 | 795 | { |
be7e4d20 PS |
796 | switch (protocol) { |
797 | case 0: | |
798 | return "raw"; | |
799 | case IPPROTO_UDP: | |
800 | return "udp"; | |
801 | case IPPROTO_TCP: | |
802 | return "tcp"; | |
803 | case IPPROTO_SCTP: | |
804 | return "sctp"; | |
805 | case IPPROTO_DCCP: | |
806 | return "dccp"; | |
572e8936 PS |
807 | case IPPROTO_ICMPV6: |
808 | return "icmp6"; | |
be7e4d20 PS |
809 | } |
810 | ||
811 | return "???"; | |
812 | } | |
813 | ||
c759116a SH |
814 | static const char *vsock_netid_name(int type) |
815 | { | |
816 | switch (type) { | |
817 | case SOCK_STREAM: | |
818 | return "v_str"; | |
819 | case SOCK_DGRAM: | |
820 | return "v_dgr"; | |
821 | default: | |
822 | return "???"; | |
823 | } | |
824 | } | |
825 | ||
be7e4d20 PS |
826 | static void sock_state_print(struct sockstat *s) |
827 | { | |
828 | const char *sock_name; | |
1882c0db PS |
829 | static const char * const sstate_name[] = { |
830 | "UNKNOWN", | |
831 | [SS_ESTABLISHED] = "ESTAB", | |
832 | [SS_SYN_SENT] = "SYN-SENT", | |
833 | [SS_SYN_RECV] = "SYN-RECV", | |
834 | [SS_FIN_WAIT1] = "FIN-WAIT-1", | |
835 | [SS_FIN_WAIT2] = "FIN-WAIT-2", | |
836 | [SS_TIME_WAIT] = "TIME-WAIT", | |
837 | [SS_CLOSE] = "UNCONN", | |
838 | [SS_CLOSE_WAIT] = "CLOSE-WAIT", | |
839 | [SS_LAST_ACK] = "LAST-ACK", | |
840 | [SS_LISTEN] = "LISTEN", | |
841 | [SS_CLOSING] = "CLOSING", | |
842 | }; | |
be7e4d20 PS |
843 | |
844 | switch (s->local.family) { | |
845 | case AF_UNIX: | |
846 | sock_name = unix_netid_name(s->type); | |
847 | break; | |
848 | case AF_INET: | |
849 | case AF_INET6: | |
850 | sock_name = proto_name(s->type); | |
851 | break; | |
852 | case AF_PACKET: | |
853 | sock_name = s->type == SOCK_RAW ? "p_raw" : "p_dgr"; | |
854 | break; | |
855 | case AF_NETLINK: | |
856 | sock_name = "nl"; | |
857 | break; | |
c759116a SH |
858 | case AF_VSOCK: |
859 | sock_name = vsock_netid_name(s->type); | |
860 | break; | |
be7e4d20 PS |
861 | default: |
862 | sock_name = "unknown"; | |
863 | } | |
864 | ||
2d791bc8 | 865 | if (netid_width) |
f89d46ad PS |
866 | printf("%-*s ", netid_width, |
867 | is_sctp_assoc(s, sock_name) ? "" : sock_name); | |
868 | if (state_width) { | |
869 | if (is_sctp_assoc(s, sock_name)) | |
870 | printf("`- %-*s ", state_width - 3, | |
871 | sctp_sstate_name[s->state]); | |
872 | else | |
873 | printf("%-*s ", state_width, sstate_name[s->state]); | |
874 | } | |
2d791bc8 | 875 | |
4357f5c3 | 876 | printf("%-6d %-6d %s", s->rq, s->wq, odd_width_pad); |
2d791bc8 VK |
877 | } |
878 | ||
f1b39e1b VK |
879 | static void sock_details_print(struct sockstat *s) |
880 | { | |
881 | if (s->uid) | |
882 | printf(" uid:%u", s->uid); | |
883 | ||
884 | printf(" ino:%u", s->ino); | |
885 | printf(" sk:%llx", s->sk); | |
ec75249b LC |
886 | |
887 | if (s->mark) | |
888 | printf(" fwmark:0x%x", s->mark); | |
f1b39e1b VK |
889 | } |
890 | ||
b217df10 VK |
891 | static void sock_addr_print_width(int addr_len, const char *addr, char *delim, |
892 | int port_len, const char *port, const char *ifname) | |
893 | { | |
894 | if (ifname) { | |
895 | printf("%*s%%%s%s%-*s ", addr_len, addr, ifname, delim, | |
896 | port_len, port); | |
acd1e437 | 897 | } else { |
b217df10 VK |
898 | printf("%*s%s%-*s ", addr_len, addr, delim, port_len, port); |
899 | } | |
900 | } | |
901 | ||
902 | static void sock_addr_print(const char *addr, char *delim, const char *port, | |
903 | const char *ifname) | |
904 | { | |
905 | sock_addr_print_width(addr_width, addr, delim, serv_width, port, ifname); | |
906 | } | |
907 | ||
4cbf5224 | 908 | static const char *print_ms_timer(unsigned int timeout) |
aba5acdf SH |
909 | { |
910 | static char buf[64]; | |
911 | int secs, msecs, minutes; | |
acd1e437 | 912 | |
aba5acdf SH |
913 | secs = timeout/1000; |
914 | minutes = secs/60; | |
915 | secs = secs%60; | |
916 | msecs = timeout%1000; | |
917 | buf[0] = 0; | |
918 | if (minutes) { | |
919 | msecs = 0; | |
920 | snprintf(buf, sizeof(buf)-16, "%dmin", minutes); | |
921 | if (minutes > 9) | |
922 | secs = 0; | |
923 | } | |
924 | if (secs) { | |
925 | if (secs > 9) | |
926 | msecs = 0; | |
927 | sprintf(buf+strlen(buf), "%d%s", secs, msecs ? "." : "sec"); | |
928 | } | |
929 | if (msecs) | |
930 | sprintf(buf+strlen(buf), "%03dms", msecs); | |
931 | return buf; | |
e7113c61 | 932 | } |
aba5acdf | 933 | |
22588a0e | 934 | struct scache { |
aba5acdf SH |
935 | struct scache *next; |
936 | int port; | |
937 | char *name; | |
938 | const char *proto; | |
939 | }; | |
940 | ||
941 | struct scache *rlist; | |
942 | ||
d1f28cf1 | 943 | static void init_service_resolver(void) |
aba5acdf SH |
944 | { |
945 | char buf[128]; | |
946 | FILE *fp = popen("/usr/sbin/rpcinfo -p 2>/dev/null", "r"); | |
596307ea PS |
947 | |
948 | if (!fp) | |
949 | return; | |
950 | ||
951 | if (!fgets(buf, sizeof(buf), fp)) { | |
2bcc3c16 | 952 | pclose(fp); |
596307ea PS |
953 | return; |
954 | } | |
955 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
956 | unsigned int progn, port; | |
957 | char proto[128], prog[128] = "rpc."; | |
958 | struct scache *c; | |
959 | ||
960 | if (sscanf(buf, "%u %*d %s %u %s", | |
acd1e437 | 961 | &progn, proto, &port, prog+4) != 4) |
596307ea PS |
962 | continue; |
963 | ||
964 | if (!(c = malloc(sizeof(*c)))) | |
965 | continue; | |
966 | ||
967 | c->port = port; | |
968 | c->name = strdup(prog); | |
969 | if (strcmp(proto, TCP_PROTO) == 0) | |
970 | c->proto = TCP_PROTO; | |
971 | else if (strcmp(proto, UDP_PROTO) == 0) | |
972 | c->proto = UDP_PROTO; | |
f89d46ad PS |
973 | else if (strcmp(proto, SCTP_PROTO) == 0) |
974 | c->proto = SCTP_PROTO; | |
596307ea PS |
975 | else |
976 | c->proto = NULL; | |
977 | c->next = rlist; | |
978 | rlist = c; | |
aba5acdf | 979 | } |
596307ea | 980 | pclose(fp); |
aba5acdf SH |
981 | } |
982 | ||
ab61159a SH |
983 | /* Even do not try default linux ephemeral port ranges: |
984 | * default /etc/services contains so much of useless crap | |
985 | * wouldbe "allocated" to this area that resolution | |
986 | * is really harmful. I shrug each time when seeing | |
987 | * "socks" or "cfinger" in dumps. | |
988 | */ | |
989 | static int is_ephemeral(int port) | |
990 | { | |
acd1e437 | 991 | static int min = 0, max; |
c29d3792 PS |
992 | |
993 | if (!min) { | |
ab01dbbb | 994 | FILE *f = ephemeral_ports_open(); |
acd1e437 | 995 | |
c29d3792 PS |
996 | if (!f || fscanf(f, "%d %d", &min, &max) < 2) { |
997 | min = 1024; | |
998 | max = 4999; | |
ab61159a | 999 | } |
c29d3792 PS |
1000 | if (f) |
1001 | fclose(f); | |
ab61159a | 1002 | } |
c29d3792 | 1003 | return port >= min && port <= max; |
ab61159a SH |
1004 | } |
1005 | ||
1006 | ||
d1f28cf1 | 1007 | static const char *__resolve_service(int port) |
aba5acdf SH |
1008 | { |
1009 | struct scache *c; | |
1010 | ||
1011 | for (c = rlist; c; c = c->next) { | |
1012 | if (c->port == port && c->proto == dg_proto) | |
1013 | return c->name; | |
1014 | } | |
1015 | ||
ab61159a | 1016 | if (!is_ephemeral(port)) { |
aba5acdf SH |
1017 | static int notfirst; |
1018 | struct servent *se; | |
acd1e437 | 1019 | |
aba5acdf SH |
1020 | if (!notfirst) { |
1021 | setservent(1); | |
1022 | notfirst = 1; | |
ae665a52 | 1023 | } |
aba5acdf SH |
1024 | se = getservbyport(htons(port), dg_proto); |
1025 | if (se) | |
1026 | return se->s_name; | |
1027 | } | |
1028 | ||
1029 | return NULL; | |
1030 | } | |
1031 | ||
22588a0e ED |
1032 | #define SCACHE_BUCKETS 1024 |
1033 | static struct scache *cache_htab[SCACHE_BUCKETS]; | |
aba5acdf | 1034 | |
d1f28cf1 | 1035 | static const char *resolve_service(int port) |
aba5acdf SH |
1036 | { |
1037 | static char buf[128]; | |
22588a0e ED |
1038 | struct scache *c; |
1039 | const char *res; | |
1040 | int hash; | |
aba5acdf SH |
1041 | |
1042 | if (port == 0) { | |
1043 | buf[0] = '*'; | |
1044 | buf[1] = 0; | |
1045 | return buf; | |
1046 | } | |
1047 | ||
22588a0e ED |
1048 | if (!resolve_services) |
1049 | goto do_numeric; | |
aba5acdf | 1050 | |
22588a0e ED |
1051 | if (dg_proto == RAW_PROTO) |
1052 | return inet_proto_n2a(port, buf, sizeof(buf)); | |
1053 | ||
1054 | ||
1055 | hash = (port^(((unsigned long)dg_proto)>>2)) % SCACHE_BUCKETS; | |
1056 | ||
1057 | for (c = cache_htab[hash]; c; c = c->next) { | |
1058 | if (c->port == port && c->proto == dg_proto) | |
1059 | goto do_cache; | |
aba5acdf SH |
1060 | } |
1061 | ||
22588a0e ED |
1062 | c = malloc(sizeof(*c)); |
1063 | if (!c) | |
1064 | goto do_numeric; | |
1065 | res = __resolve_service(port); | |
1066 | c->port = port; | |
1067 | c->name = res ? strdup(res) : NULL; | |
1068 | c->proto = dg_proto; | |
1069 | c->next = cache_htab[hash]; | |
1070 | cache_htab[hash] = c; | |
1071 | ||
1072 | do_cache: | |
1073 | if (c->name) | |
1074 | return c->name; | |
1075 | ||
1076 | do_numeric: | |
aba5acdf SH |
1077 | sprintf(buf, "%u", port); |
1078 | return buf; | |
1079 | } | |
1080 | ||
1267c0b9 PS |
1081 | static void inet_addr_print(const inet_prefix *a, int port, |
1082 | unsigned int ifindex, bool v6only) | |
aba5acdf SH |
1083 | { |
1084 | char buf[1024]; | |
1085 | const char *ap = buf; | |
b217df10 VK |
1086 | int est_len = addr_width; |
1087 | const char *ifname = NULL; | |
aba5acdf SH |
1088 | |
1089 | if (a->family == AF_INET) { | |
1267c0b9 | 1090 | ap = format_host(AF_INET, 4, a->data); |
aba5acdf | 1091 | } else { |
1267c0b9 PS |
1092 | if (!v6only && |
1093 | !memcmp(a->data, &in6addr_any, sizeof(in6addr_any))) { | |
aba9c23a SH |
1094 | buf[0] = '*'; |
1095 | buf[1] = 0; | |
1096 | } else { | |
1097 | ap = format_host(a->family, 16, a->data); | |
1098 | ||
1099 | /* Numeric IPv6 addresses should be bracketed */ | |
1100 | if (strchr(ap, ':')) { | |
1101 | snprintf(buf, sizeof(buf), | |
1102 | "[%s]", ap); | |
1103 | ap = buf; | |
1104 | } | |
1105 | ||
1106 | est_len = strlen(ap); | |
1107 | if (est_len <= addr_width) | |
1108 | est_len = addr_width; | |
1109 | else | |
1110 | est_len = addr_width + ((est_len-addr_width+3)/4)*4; | |
1111 | } | |
aba5acdf | 1112 | } |
b217df10 | 1113 | |
7c8a3cfb | 1114 | if (ifindex) { |
b217df10 VK |
1115 | ifname = ll_index_to_name(ifindex); |
1116 | est_len -= strlen(ifname) + 1; /* +1 for percent char */ | |
4fcfb6bc MS |
1117 | if (est_len < 0) |
1118 | est_len = 0; | |
b217df10 | 1119 | } |
7c8a3cfb | 1120 | |
b217df10 VK |
1121 | sock_addr_print_width(est_len, ap, ":", serv_width, resolve_service(port), |
1122 | ifname); | |
aba5acdf SH |
1123 | } |
1124 | ||
acd1e437 | 1125 | struct aafilter { |
aba5acdf SH |
1126 | inet_prefix addr; |
1127 | int port; | |
2d293212 | 1128 | unsigned int iface; |
ec75249b LC |
1129 | __u32 mark; |
1130 | __u32 mask; | |
aba5acdf SH |
1131 | struct aafilter *next; |
1132 | }; | |
1133 | ||
d1f28cf1 SH |
1134 | static int inet2_addr_match(const inet_prefix *a, const inet_prefix *p, |
1135 | int plen) | |
aba5acdf SH |
1136 | { |
1137 | if (!inet_addr_match(a, p, plen)) | |
1138 | return 0; | |
7d105b56 | 1139 | |
aba5acdf SH |
1140 | /* Cursed "v4 mapped" addresses: v4 mapped socket matches |
1141 | * pure IPv4 rule, but v4-mapped rule selects only v4-mapped | |
1142 | * sockets. Fair? */ | |
1143 | if (p->family == AF_INET && a->family == AF_INET6) { | |
1144 | if (a->data[0] == 0 && a->data[1] == 0 && | |
1145 | a->data[2] == htonl(0xffff)) { | |
1146 | inet_prefix tmp = *a; | |
acd1e437 | 1147 | |
aba5acdf SH |
1148 | tmp.data[0] = a->data[3]; |
1149 | return inet_addr_match(&tmp, p, plen); | |
1150 | } | |
1151 | } | |
1152 | return 1; | |
1153 | } | |
1154 | ||
d1f28cf1 | 1155 | static int unix_match(const inet_prefix *a, const inet_prefix *p) |
aba5acdf | 1156 | { |
99bb68ff | 1157 | char *addr, *pattern; |
acd1e437 | 1158 | |
99bb68ff VK |
1159 | memcpy(&addr, a->data, sizeof(addr)); |
1160 | memcpy(&pattern, p->data, sizeof(pattern)); | |
aba5acdf SH |
1161 | if (pattern == NULL) |
1162 | return 1; | |
1163 | if (addr == NULL) | |
1164 | addr = ""; | |
1165 | return !fnmatch(pattern, addr, 0); | |
1166 | } | |
1167 | ||
055840f2 | 1168 | static int run_ssfilter(struct ssfilter *f, struct sockstat *s) |
aba5acdf SH |
1169 | { |
1170 | switch (f->type) { | |
1171 | case SSF_S_AUTO: | |
1172 | { | |
aba5acdf | 1173 | if (s->local.family == AF_UNIX) { |
99bb68ff | 1174 | char *p; |
acd1e437 | 1175 | |
99bb68ff | 1176 | memcpy(&p, s->local.data, sizeof(p)); |
aba5acdf | 1177 | return p == NULL || (p[0] == '@' && strlen(p) == 6 && |
ae665a52 | 1178 | strspn(p+1, "0123456789abcdef") == 5); |
aba5acdf SH |
1179 | } |
1180 | if (s->local.family == AF_PACKET) | |
bbd303d1 | 1181 | return s->lport == 0 && s->local.data[0] == 0; |
aba5acdf SH |
1182 | if (s->local.family == AF_NETLINK) |
1183 | return s->lport < 0; | |
c759116a SH |
1184 | if (s->local.family == AF_VSOCK) |
1185 | return s->lport > 1023; | |
aba5acdf | 1186 | |
c29d3792 | 1187 | return is_ephemeral(s->lport); |
aba5acdf SH |
1188 | } |
1189 | case SSF_DCOND: | |
1190 | { | |
acd1e437 SH |
1191 | struct aafilter *a = (void *)f->pred; |
1192 | ||
aba5acdf SH |
1193 | if (a->addr.family == AF_UNIX) |
1194 | return unix_match(&s->remote, &a->addr); | |
1195 | if (a->port != -1 && a->port != s->rport) | |
1196 | return 0; | |
1197 | if (a->addr.bitlen) { | |
1198 | do { | |
1199 | if (!inet2_addr_match(&s->remote, &a->addr, a->addr.bitlen)) | |
1200 | return 1; | |
1201 | } while ((a = a->next) != NULL); | |
1202 | return 0; | |
1203 | } | |
1204 | return 1; | |
1205 | } | |
1206 | case SSF_SCOND: | |
1207 | { | |
acd1e437 SH |
1208 | struct aafilter *a = (void *)f->pred; |
1209 | ||
aba5acdf SH |
1210 | if (a->addr.family == AF_UNIX) |
1211 | return unix_match(&s->local, &a->addr); | |
1212 | if (a->port != -1 && a->port != s->lport) | |
1213 | return 0; | |
1214 | if (a->addr.bitlen) { | |
1215 | do { | |
1216 | if (!inet2_addr_match(&s->local, &a->addr, a->addr.bitlen)) | |
1217 | return 1; | |
ae665a52 | 1218 | } while ((a = a->next) != NULL); |
aba5acdf SH |
1219 | return 0; |
1220 | } | |
1221 | return 1; | |
1222 | } | |
1223 | case SSF_D_GE: | |
1224 | { | |
acd1e437 SH |
1225 | struct aafilter *a = (void *)f->pred; |
1226 | ||
aba5acdf SH |
1227 | return s->rport >= a->port; |
1228 | } | |
1229 | case SSF_D_LE: | |
1230 | { | |
acd1e437 SH |
1231 | struct aafilter *a = (void *)f->pred; |
1232 | ||
aba5acdf SH |
1233 | return s->rport <= a->port; |
1234 | } | |
1235 | case SSF_S_GE: | |
1236 | { | |
acd1e437 SH |
1237 | struct aafilter *a = (void *)f->pred; |
1238 | ||
aba5acdf SH |
1239 | return s->lport >= a->port; |
1240 | } | |
1241 | case SSF_S_LE: | |
1242 | { | |
acd1e437 SH |
1243 | struct aafilter *a = (void *)f->pred; |
1244 | ||
aba5acdf SH |
1245 | return s->lport <= a->port; |
1246 | } | |
2d293212 DA |
1247 | case SSF_DEVCOND: |
1248 | { | |
1249 | struct aafilter *a = (void *)f->pred; | |
aba5acdf | 1250 | |
2d293212 | 1251 | return s->iface == a->iface; |
ec75249b LC |
1252 | } |
1253 | case SSF_MARKMASK: | |
1254 | { | |
1255 | struct aafilter *a = (void *)f->pred; | |
1256 | ||
1257 | return (s->mark & a->mask) == a->mark; | |
2d293212 | 1258 | } |
aba5acdf SH |
1259 | /* Yup. It is recursion. Sorry. */ |
1260 | case SSF_AND: | |
1261 | return run_ssfilter(f->pred, s) && run_ssfilter(f->post, s); | |
1262 | case SSF_OR: | |
1263 | return run_ssfilter(f->pred, s) || run_ssfilter(f->post, s); | |
1264 | case SSF_NOT: | |
1265 | return !run_ssfilter(f->pred, s); | |
1266 | default: | |
1267 | abort(); | |
1268 | } | |
1269 | } | |
1270 | ||
ae665a52 | 1271 | /* Relocate external jumps by reloc. */ |
b4b0b7d5 | 1272 | static void ssfilter_patch(char *a, int len, int reloc) |
aba5acdf SH |
1273 | { |
1274 | while (len > 0) { | |
acd1e437 SH |
1275 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)a; |
1276 | ||
aba5acdf SH |
1277 | if (op->no == len+4) |
1278 | op->no += reloc; | |
1279 | len -= op->yes; | |
1280 | a += op->yes; | |
1281 | } | |
1282 | if (len < 0) | |
1283 | abort(); | |
1284 | } | |
1285 | ||
b4b0b7d5 | 1286 | static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode) |
aba5acdf SH |
1287 | { |
1288 | switch (f->type) { | |
1289 | case SSF_S_AUTO: | |
1290 | { | |
acd1e437 SH |
1291 | if (!(*bytecode = malloc(4))) abort(); |
1292 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 }; | |
df39de8d | 1293 | return 4; |
aba5acdf SH |
1294 | } |
1295 | case SSF_DCOND: | |
1296 | case SSF_SCOND: | |
1297 | { | |
acd1e437 | 1298 | struct aafilter *a = (void *)f->pred; |
aba5acdf SH |
1299 | struct aafilter *b; |
1300 | char *ptr; | |
351efcde | 1301 | int code = (f->type == SSF_DCOND ? INET_DIAG_BC_D_COND : INET_DIAG_BC_S_COND); |
aba5acdf SH |
1302 | int len = 0; |
1303 | ||
acd1e437 | 1304 | for (b = a; b; b = b->next) { |
351efcde | 1305 | len += 4 + sizeof(struct inet_diag_hostcond); |
aba5acdf SH |
1306 | if (a->addr.family == AF_INET6) |
1307 | len += 16; | |
1308 | else | |
1309 | len += 4; | |
1310 | if (b->next) | |
1311 | len += 4; | |
1312 | } | |
1313 | if (!(ptr = malloc(len))) abort(); | |
1314 | *bytecode = ptr; | |
acd1e437 | 1315 | for (b = a; b; b = b->next) { |
351efcde | 1316 | struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)ptr; |
aba5acdf | 1317 | int alen = (a->addr.family == AF_INET6 ? 16 : 4); |
351efcde | 1318 | int oplen = alen + 4 + sizeof(struct inet_diag_hostcond); |
acd1e437 | 1319 | struct inet_diag_hostcond *cond = (struct inet_diag_hostcond *)(ptr+4); |
aba5acdf | 1320 | |
351efcde | 1321 | *op = (struct inet_diag_bc_op){ code, oplen, oplen+4 }; |
aba5acdf SH |
1322 | cond->family = a->addr.family; |
1323 | cond->port = a->port; | |
1324 | cond->prefix_len = a->addr.bitlen; | |
1325 | memcpy(cond->addr, a->addr.data, alen); | |
1326 | ptr += oplen; | |
1327 | if (b->next) { | |
351efcde SH |
1328 | op = (struct inet_diag_bc_op *)ptr; |
1329 | *op = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, len - (ptr-*bytecode)}; | |
aba5acdf SH |
1330 | ptr += 4; |
1331 | } | |
1332 | } | |
1333 | return ptr - *bytecode; | |
1334 | } | |
1335 | case SSF_D_GE: | |
1336 | { | |
acd1e437 SH |
1337 | struct aafilter *x = (void *)f->pred; |
1338 | ||
1339 | if (!(*bytecode = malloc(8))) abort(); | |
1340 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_GE, 8, 12 }; | |
1341 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1342 | return 8; |
1343 | } | |
1344 | case SSF_D_LE: | |
1345 | { | |
acd1e437 SH |
1346 | struct aafilter *x = (void *)f->pred; |
1347 | ||
1348 | if (!(*bytecode = malloc(8))) abort(); | |
1349 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_D_LE, 8, 12 }; | |
1350 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1351 | return 8; |
1352 | } | |
1353 | case SSF_S_GE: | |
1354 | { | |
acd1e437 SH |
1355 | struct aafilter *x = (void *)f->pred; |
1356 | ||
1357 | if (!(*bytecode = malloc(8))) abort(); | |
1358 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_GE, 8, 12 }; | |
1359 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1360 | return 8; |
1361 | } | |
1362 | case SSF_S_LE: | |
1363 | { | |
acd1e437 SH |
1364 | struct aafilter *x = (void *)f->pred; |
1365 | ||
1366 | if (!(*bytecode = malloc(8))) abort(); | |
1367 | ((struct inet_diag_bc_op *)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_S_LE, 8, 12 }; | |
1368 | ((struct inet_diag_bc_op *)*bytecode)[1] = (struct inet_diag_bc_op){ 0, 0, x->port }; | |
aba5acdf SH |
1369 | return 8; |
1370 | } | |
1371 | ||
1372 | case SSF_AND: | |
1373 | { | |
376fb868 | 1374 | char *a1 = NULL, *a2 = NULL, *a; |
2a4fa1c3 | 1375 | int l1, l2; |
acd1e437 | 1376 | |
aba5acdf SH |
1377 | l1 = ssfilter_bytecompile(f->pred, &a1); |
1378 | l2 = ssfilter_bytecompile(f->post, &a2); | |
376fb868 DA |
1379 | if (!l1 || !l2) { |
1380 | free(a1); | |
1381 | free(a2); | |
1382 | return 0; | |
1383 | } | |
aba5acdf SH |
1384 | if (!(a = malloc(l1+l2))) abort(); |
1385 | memcpy(a, a1, l1); | |
1386 | memcpy(a+l1, a2, l2); | |
1387 | free(a1); free(a2); | |
1388 | ssfilter_patch(a, l1, l2); | |
1389 | *bytecode = a; | |
1390 | return l1+l2; | |
1391 | } | |
1392 | case SSF_OR: | |
1393 | { | |
376fb868 | 1394 | char *a1 = NULL, *a2 = NULL, *a; |
2a4fa1c3 | 1395 | int l1, l2; |
acd1e437 | 1396 | |
aba5acdf SH |
1397 | l1 = ssfilter_bytecompile(f->pred, &a1); |
1398 | l2 = ssfilter_bytecompile(f->post, &a2); | |
376fb868 DA |
1399 | if (!l1 || !l2) { |
1400 | free(a1); | |
1401 | free(a2); | |
1402 | return 0; | |
1403 | } | |
aba5acdf SH |
1404 | if (!(a = malloc(l1+l2+4))) abort(); |
1405 | memcpy(a, a1, l1); | |
1406 | memcpy(a+l1+4, a2, l2); | |
1407 | free(a1); free(a2); | |
acd1e437 | 1408 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, l2+4 }; |
aba5acdf SH |
1409 | *bytecode = a; |
1410 | return l1+l2+4; | |
1411 | } | |
1412 | case SSF_NOT: | |
1413 | { | |
376fb868 | 1414 | char *a1 = NULL, *a; |
2a4fa1c3 | 1415 | int l1; |
acd1e437 | 1416 | |
aba5acdf | 1417 | l1 = ssfilter_bytecompile(f->pred, &a1); |
376fb868 DA |
1418 | if (!l1) { |
1419 | free(a1); | |
1420 | return 0; | |
1421 | } | |
aba5acdf SH |
1422 | if (!(a = malloc(l1+4))) abort(); |
1423 | memcpy(a, a1, l1); | |
1424 | free(a1); | |
acd1e437 | 1425 | *(struct inet_diag_bc_op *)(a+l1) = (struct inet_diag_bc_op){ INET_DIAG_BC_JMP, 4, 8 }; |
aba5acdf SH |
1426 | *bytecode = a; |
1427 | return l1+4; | |
2d293212 DA |
1428 | } |
1429 | case SSF_DEVCOND: | |
1430 | { | |
1431 | /* bytecompile for SSF_DEVCOND not supported yet */ | |
1432 | return 0; | |
ec75249b LC |
1433 | } |
1434 | case SSF_MARKMASK: | |
1435 | { | |
1436 | struct aafilter *a = (void *)f->pred; | |
1437 | struct instr { | |
1438 | struct inet_diag_bc_op op; | |
1439 | struct inet_diag_markcond cond; | |
1440 | }; | |
1441 | int inslen = sizeof(struct instr); | |
1442 | ||
1443 | if (!(*bytecode = malloc(inslen))) abort(); | |
1444 | ((struct instr *)*bytecode)[0] = (struct instr) { | |
1445 | { INET_DIAG_BC_MARK_COND, inslen, inslen + 4 }, | |
1446 | { a->mark, a->mask}, | |
1447 | }; | |
1448 | ||
1449 | return inslen; | |
aba5acdf SH |
1450 | } |
1451 | default: | |
1452 | abort(); | |
1453 | } | |
1454 | } | |
1455 | ||
b4b0b7d5 | 1456 | static int remember_he(struct aafilter *a, struct hostent *he) |
aba5acdf | 1457 | { |
ae665a52 | 1458 | char **ptr = he->h_addr_list; |
aba5acdf SH |
1459 | int cnt = 0; |
1460 | int len; | |
1461 | ||
1462 | if (he->h_addrtype == AF_INET) | |
1463 | len = 4; | |
1464 | else if (he->h_addrtype == AF_INET6) | |
1465 | len = 16; | |
1466 | else | |
1467 | return 0; | |
1468 | ||
1469 | while (*ptr) { | |
1470 | struct aafilter *b = a; | |
acd1e437 | 1471 | |
aba5acdf SH |
1472 | if (a->addr.bitlen) { |
1473 | if ((b = malloc(sizeof(*b))) == NULL) | |
1474 | return cnt; | |
1475 | *b = *a; | |
aba5acdf SH |
1476 | a->next = b; |
1477 | } | |
1478 | memcpy(b->addr.data, *ptr, len); | |
1479 | b->addr.bytelen = len; | |
1480 | b->addr.bitlen = len*8; | |
1481 | b->addr.family = he->h_addrtype; | |
1482 | ptr++; | |
1483 | cnt++; | |
1484 | } | |
1485 | return cnt; | |
1486 | } | |
1487 | ||
b4b0b7d5 | 1488 | static int get_dns_host(struct aafilter *a, const char *addr, int fam) |
aba5acdf SH |
1489 | { |
1490 | static int notfirst; | |
1491 | int cnt = 0; | |
1492 | struct hostent *he; | |
1493 | ||
1494 | a->addr.bitlen = 0; | |
1495 | if (!notfirst) { | |
1496 | sethostent(1); | |
1497 | notfirst = 1; | |
1498 | } | |
1499 | he = gethostbyname2(addr, fam == AF_UNSPEC ? AF_INET : fam); | |
1500 | if (he) | |
1501 | cnt = remember_he(a, he); | |
1502 | if (fam == AF_UNSPEC) { | |
1503 | he = gethostbyname2(addr, AF_INET6); | |
1504 | if (he) | |
1505 | cnt += remember_he(a, he); | |
1506 | } | |
1507 | return !cnt; | |
1508 | } | |
1509 | ||
acd1e437 | 1510 | static int xll_initted; |
aba5acdf | 1511 | |
b4b0b7d5 | 1512 | static void xll_init(void) |
aba5acdf SH |
1513 | { |
1514 | struct rtnl_handle rth; | |
acd1e437 | 1515 | |
d2468da0 SH |
1516 | if (rtnl_open(&rth, 0) < 0) |
1517 | exit(1); | |
1518 | ||
aba5acdf SH |
1519 | ll_init_map(&rth); |
1520 | rtnl_close(&rth); | |
1521 | xll_initted = 1; | |
1522 | } | |
1523 | ||
b4b0b7d5 | 1524 | static const char *xll_index_to_name(int index) |
aba5acdf SH |
1525 | { |
1526 | if (!xll_initted) | |
1527 | xll_init(); | |
1528 | return ll_index_to_name(index); | |
1529 | } | |
1530 | ||
b4b0b7d5 | 1531 | static int xll_name_to_index(const char *dev) |
aba5acdf SH |
1532 | { |
1533 | if (!xll_initted) | |
1534 | xll_init(); | |
1535 | return ll_name_to_index(dev); | |
1536 | } | |
1537 | ||
2d293212 DA |
1538 | void *parse_devcond(char *name) |
1539 | { | |
1540 | struct aafilter a = { .iface = 0 }; | |
1541 | struct aafilter *res; | |
1542 | ||
1543 | a.iface = xll_name_to_index(name); | |
1544 | if (a.iface == 0) { | |
1545 | char *end; | |
930d3f28 | 1546 | unsigned long n; |
2d293212 | 1547 | |
930d3f28 DA |
1548 | n = strtoul(name, &end, 0); |
1549 | if (!end || end == name || *end || n > UINT_MAX) | |
2d293212 | 1550 | return NULL; |
930d3f28 DA |
1551 | |
1552 | a.iface = n; | |
2d293212 DA |
1553 | } |
1554 | ||
1555 | res = malloc(sizeof(*res)); | |
1556 | *res = a; | |
1557 | ||
1558 | return res; | |
1559 | } | |
1560 | ||
c759116a SH |
1561 | static void vsock_set_inet_prefix(inet_prefix *a, __u32 cid) |
1562 | { | |
1563 | *a = (inet_prefix){ | |
1564 | .bytelen = sizeof(cid), | |
1565 | .family = AF_VSOCK, | |
1566 | }; | |
1567 | memcpy(a->data, &cid, sizeof(cid)); | |
1568 | } | |
1569 | ||
7871f7db | 1570 | void *parse_hostcond(char *addr, bool is_port) |
aba5acdf SH |
1571 | { |
1572 | char *port = NULL; | |
1527a17e | 1573 | struct aafilter a = { .port = -1 }; |
aba5acdf | 1574 | struct aafilter *res; |
1527a17e | 1575 | int fam = preferred_family; |
9db7bf15 | 1576 | struct filter *f = ¤t_filter; |
aba5acdf | 1577 | |
1527a17e | 1578 | if (fam == AF_UNIX || strncmp(addr, "unix:", 5) == 0) { |
aba5acdf | 1579 | char *p; |
acd1e437 | 1580 | |
aba5acdf SH |
1581 | a.addr.family = AF_UNIX; |
1582 | if (strncmp(addr, "unix:", 5) == 0) | |
acd1e437 | 1583 | addr += 5; |
aba5acdf SH |
1584 | p = strdup(addr); |
1585 | a.addr.bitlen = 8*strlen(p); | |
99bb68ff | 1586 | memcpy(a.addr.data, &p, sizeof(p)); |
9db7bf15 | 1587 | fam = AF_UNIX; |
aba5acdf SH |
1588 | goto out; |
1589 | } | |
1590 | ||
1527a17e | 1591 | if (fam == AF_PACKET || strncmp(addr, "link:", 5) == 0) { |
aba5acdf SH |
1592 | a.addr.family = AF_PACKET; |
1593 | a.addr.bitlen = 0; | |
1594 | if (strncmp(addr, "link:", 5) == 0) | |
acd1e437 | 1595 | addr += 5; |
aba5acdf SH |
1596 | port = strchr(addr, ':'); |
1597 | if (port) { | |
1598 | *port = 0; | |
1599 | if (port[1] && strcmp(port+1, "*")) { | |
1600 | if (get_integer(&a.port, port+1, 0)) { | |
1601 | if ((a.port = xll_name_to_index(port+1)) <= 0) | |
1602 | return NULL; | |
1603 | } | |
1604 | } | |
1605 | } | |
1606 | if (addr[0] && strcmp(addr, "*")) { | |
1607 | unsigned short tmp; | |
acd1e437 | 1608 | |
aba5acdf SH |
1609 | a.addr.bitlen = 32; |
1610 | if (ll_proto_a2n(&tmp, addr)) | |
1611 | return NULL; | |
1612 | a.addr.data[0] = ntohs(tmp); | |
1613 | } | |
9db7bf15 | 1614 | fam = AF_PACKET; |
aba5acdf SH |
1615 | goto out; |
1616 | } | |
1617 | ||
1527a17e | 1618 | if (fam == AF_NETLINK || strncmp(addr, "netlink:", 8) == 0) { |
aba5acdf SH |
1619 | a.addr.family = AF_NETLINK; |
1620 | a.addr.bitlen = 0; | |
1621 | if (strncmp(addr, "netlink:", 8) == 0) | |
acd1e437 | 1622 | addr += 8; |
aba5acdf SH |
1623 | port = strchr(addr, ':'); |
1624 | if (port) { | |
1625 | *port = 0; | |
1626 | if (port[1] && strcmp(port+1, "*")) { | |
1627 | if (get_integer(&a.port, port+1, 0)) { | |
1628 | if (strcmp(port+1, "kernel") == 0) | |
1629 | a.port = 0; | |
1630 | else | |
1631 | return NULL; | |
1632 | } | |
1633 | } | |
1634 | } | |
1635 | if (addr[0] && strcmp(addr, "*")) { | |
1636 | a.addr.bitlen = 32; | |
b00daf6a | 1637 | if (nl_proto_a2n(&a.addr.data[0], addr) == -1) |
1638 | return NULL; | |
aba5acdf | 1639 | } |
9db7bf15 | 1640 | fam = AF_NETLINK; |
aba5acdf SH |
1641 | goto out; |
1642 | } | |
1643 | ||
c759116a SH |
1644 | if (fam == AF_VSOCK || strncmp(addr, "vsock:", 6) == 0) { |
1645 | __u32 cid = ~(__u32)0; | |
1646 | ||
1647 | a.addr.family = AF_VSOCK; | |
1648 | if (strncmp(addr, "vsock:", 6) == 0) | |
1649 | addr += 6; | |
1650 | ||
1651 | if (is_port) | |
1652 | port = addr; | |
1653 | else { | |
1654 | port = strchr(addr, ':'); | |
1655 | if (port) { | |
1656 | *port = '\0'; | |
1657 | port++; | |
1658 | } | |
1659 | } | |
1660 | ||
1661 | if (port && strcmp(port, "*") && | |
1662 | get_u32((__u32 *)&a.port, port, 0)) | |
1663 | return NULL; | |
1664 | ||
1665 | if (addr[0] && strcmp(addr, "*")) { | |
1666 | a.addr.bitlen = 32; | |
1667 | if (get_u32(&cid, addr, 0)) | |
1668 | return NULL; | |
1669 | } | |
1670 | vsock_set_inet_prefix(&a.addr, cid); | |
1671 | fam = AF_VSOCK; | |
1672 | goto out; | |
1673 | } | |
1674 | ||
1527a17e | 1675 | if (fam == AF_INET || !strncmp(addr, "inet:", 5)) { |
aba5acdf | 1676 | fam = AF_INET; |
1527a17e VK |
1677 | if (!strncmp(addr, "inet:", 5)) |
1678 | addr += 5; | |
1679 | } else if (fam == AF_INET6 || !strncmp(addr, "inet6:", 6)) { | |
aba5acdf | 1680 | fam = AF_INET6; |
1527a17e VK |
1681 | if (!strncmp(addr, "inet6:", 6)) |
1682 | addr += 6; | |
aba5acdf SH |
1683 | } |
1684 | ||
1685 | /* URL-like literal [] */ | |
1686 | if (addr[0] == '[') { | |
1687 | addr++; | |
1688 | if ((port = strchr(addr, ']')) == NULL) | |
1689 | return NULL; | |
1690 | *port++ = 0; | |
1691 | } else if (addr[0] == '*') { | |
1692 | port = addr+1; | |
1693 | } else { | |
1694 | port = strrchr(strchr(addr, '/') ? : addr, ':'); | |
1695 | } | |
7871f7db VK |
1696 | |
1697 | if (is_port) | |
1698 | port = addr; | |
1699 | ||
aba5acdf | 1700 | if (port && *port) { |
7871f7db VK |
1701 | if (*port == ':') |
1702 | *port++ = 0; | |
1703 | ||
aba5acdf SH |
1704 | if (*port && *port != '*') { |
1705 | if (get_integer(&a.port, port, 0)) { | |
1706 | struct servent *se1 = NULL; | |
1707 | struct servent *se2 = NULL; | |
acd1e437 | 1708 | |
aba5acdf SH |
1709 | if (current_filter.dbs&(1<<UDP_DB)) |
1710 | se1 = getservbyname(port, UDP_PROTO); | |
1711 | if (current_filter.dbs&(1<<TCP_DB)) | |
1712 | se2 = getservbyname(port, TCP_PROTO); | |
1713 | if (se1 && se2 && se1->s_port != se2->s_port) { | |
1714 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); | |
1715 | return NULL; | |
1716 | } | |
1717 | if (!se1) | |
1718 | se1 = se2; | |
1719 | if (se1) { | |
1720 | a.port = ntohs(se1->s_port); | |
1721 | } else { | |
1722 | struct scache *s; | |
acd1e437 | 1723 | |
aba5acdf SH |
1724 | for (s = rlist; s; s = s->next) { |
1725 | if ((s->proto == UDP_PROTO && | |
1726 | (current_filter.dbs&(1<<UDP_DB))) || | |
1727 | (s->proto == TCP_PROTO && | |
1728 | (current_filter.dbs&(1<<TCP_DB)))) { | |
1729 | if (s->name && strcmp(s->name, port) == 0) { | |
1730 | if (a.port > 0 && a.port != s->port) { | |
1731 | fprintf(stderr, "Error: ambiguous port \"%s\".\n", port); | |
1732 | return NULL; | |
1733 | } | |
1734 | a.port = s->port; | |
1735 | } | |
1736 | } | |
1737 | } | |
1738 | if (a.port <= 0) { | |
1739 | fprintf(stderr, "Error: \"%s\" does not look like a port.\n", port); | |
1740 | return NULL; | |
1741 | } | |
1742 | } | |
1743 | } | |
1744 | } | |
1745 | } | |
44448a90 | 1746 | if (!is_port && *addr && *addr != '*') { |
aba5acdf SH |
1747 | if (get_prefix_1(&a.addr, addr, fam)) { |
1748 | if (get_dns_host(&a, addr, fam)) { | |
1749 | fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", addr); | |
1750 | return NULL; | |
1751 | } | |
1752 | } | |
1753 | } | |
1754 | ||
9db7bf15 | 1755 | out: |
1527a17e | 1756 | if (fam != AF_UNSPEC) { |
e56a959e | 1757 | int states = f->states; |
1527a17e | 1758 | f->families = 0; |
9db7bf15 | 1759 | filter_af_set(f, fam); |
e56a959e | 1760 | filter_states_set(f, states); |
1527a17e | 1761 | } |
9db7bf15 | 1762 | |
aba5acdf SH |
1763 | res = malloc(sizeof(*res)); |
1764 | if (res) | |
1765 | memcpy(res, &a, sizeof(a)); | |
1766 | return res; | |
1767 | } | |
1768 | ||
ec75249b LC |
1769 | void *parse_markmask(const char *markmask) |
1770 | { | |
1771 | struct aafilter a, *res; | |
1772 | ||
1773 | if (strchr(markmask, '/')) { | |
1774 | if (sscanf(markmask, "%i/%i", &a.mark, &a.mask) != 2) | |
1775 | return NULL; | |
1776 | } else { | |
1777 | a.mask = 0xffffffff; | |
1778 | if (sscanf(markmask, "%i", &a.mark) != 1) | |
1779 | return NULL; | |
1780 | } | |
1781 | ||
1782 | res = malloc(sizeof(*res)); | |
1783 | if (res) | |
1784 | memcpy(res, &a, sizeof(a)); | |
1785 | return res; | |
1786 | } | |
1787 | ||
5f27ac1d | 1788 | static void proc_ctx_print(struct sockstat *s) |
8250bc9f | 1789 | { |
5f27ac1d | 1790 | char *buf; |
8250bc9f | 1791 | |
8250bc9f VK |
1792 | if (show_proc_ctx || show_sock_ctx) { |
1793 | if (find_entry(s->ino, &buf, | |
1794 | (show_proc_ctx & show_sock_ctx) ? | |
1795 | PROC_SOCK_CTX : PROC_CTX) > 0) { | |
1796 | printf(" users:(%s)", buf); | |
1797 | free(buf); | |
1798 | } | |
1799 | } else if (show_users) { | |
1800 | if (find_entry(s->ino, &buf, USERS) > 0) { | |
1801 | printf(" users:(%s)", buf); | |
1802 | free(buf); | |
1803 | } | |
1804 | } | |
1805 | } | |
1806 | ||
1267c0b9 | 1807 | static void inet_stats_print(struct sockstat *s, bool v6only) |
5f27ac1d PS |
1808 | { |
1809 | sock_state_print(s); | |
1810 | ||
1267c0b9 PS |
1811 | inet_addr_print(&s->local, s->lport, s->iface, v6only); |
1812 | inet_addr_print(&s->remote, s->rport, 0, v6only); | |
5f27ac1d PS |
1813 | |
1814 | proc_ctx_print(s); | |
1815 | } | |
1816 | ||
055840f2 | 1817 | static int proc_parse_inet_addr(char *loc, char *rem, int family, struct |
acd1e437 | 1818 | sockstat * s) |
8250bc9f VK |
1819 | { |
1820 | s->local.family = s->remote.family = family; | |
1821 | if (family == AF_INET) { | |
acd1e437 SH |
1822 | sscanf(loc, "%x:%x", s->local.data, (unsigned *)&s->lport); |
1823 | sscanf(rem, "%x:%x", s->remote.data, (unsigned *)&s->rport); | |
8250bc9f VK |
1824 | s->local.bytelen = s->remote.bytelen = 4; |
1825 | return 0; | |
1826 | } else { | |
1827 | sscanf(loc, "%08x%08x%08x%08x:%x", | |
1828 | s->local.data, | |
1829 | s->local.data + 1, | |
1830 | s->local.data + 2, | |
1831 | s->local.data + 3, | |
1832 | &s->lport); | |
1833 | sscanf(rem, "%08x%08x%08x%08x:%x", | |
1834 | s->remote.data, | |
1835 | s->remote.data + 1, | |
1836 | s->remote.data + 2, | |
1837 | s->remote.data + 3, | |
1838 | &s->rport); | |
1839 | s->local.bytelen = s->remote.bytelen = 16; | |
1840 | return 0; | |
1841 | } | |
1842 | return -1; | |
1843 | } | |
1844 | ||
1845 | static int proc_inet_split_line(char *line, char **loc, char **rem, char **data) | |
aba5acdf | 1846 | { |
aba5acdf | 1847 | char *p; |
ae665a52 | 1848 | |
aba5acdf SH |
1849 | if ((p = strchr(line, ':')) == NULL) |
1850 | return -1; | |
ae665a52 | 1851 | |
8250bc9f VK |
1852 | *loc = p+2; |
1853 | if ((p = strchr(*loc, ':')) == NULL) | |
aba5acdf | 1854 | return -1; |
ae665a52 | 1855 | |
8250bc9f VK |
1856 | p[5] = 0; |
1857 | *rem = p+6; | |
1858 | if ((p = strchr(*rem, ':')) == NULL) | |
aba5acdf | 1859 | return -1; |
8250bc9f | 1860 | |
aba5acdf | 1861 | p[5] = 0; |
8250bc9f VK |
1862 | *data = p+6; |
1863 | return 0; | |
1864 | } | |
ae665a52 | 1865 | |
8250bc9f VK |
1866 | static char *sprint_bw(char *buf, double bw) |
1867 | { | |
1868 | if (bw > 1000000.) | |
acd1e437 | 1869 | sprintf(buf, "%.1fM", bw / 1000000.); |
8250bc9f | 1870 | else if (bw > 1000.) |
acd1e437 | 1871 | sprintf(buf, "%.1fK", bw / 1000.); |
8250bc9f VK |
1872 | else |
1873 | sprintf(buf, "%g", bw); | |
aba5acdf | 1874 | |
8250bc9f VK |
1875 | return buf; |
1876 | } | |
ae665a52 | 1877 | |
f89d46ad PS |
1878 | static void sctp_stats_print(struct sctp_info *s) |
1879 | { | |
1880 | if (s->sctpi_tag) | |
1881 | printf(" tag:%x", s->sctpi_tag); | |
1882 | if (s->sctpi_state) | |
1883 | printf(" state:%s", sctp_sstate_name[s->sctpi_state]); | |
1884 | if (s->sctpi_rwnd) | |
1885 | printf(" rwnd:%d", s->sctpi_rwnd); | |
1886 | if (s->sctpi_unackdata) | |
1887 | printf(" unackdata:%d", s->sctpi_unackdata); | |
1888 | if (s->sctpi_penddata) | |
1889 | printf(" penddata:%d", s->sctpi_penddata); | |
1890 | if (s->sctpi_instrms) | |
1891 | printf(" instrms:%d", s->sctpi_instrms); | |
1892 | if (s->sctpi_outstrms) | |
1893 | printf(" outstrms:%d", s->sctpi_outstrms); | |
1894 | if (s->sctpi_inqueue) | |
1895 | printf(" inqueue:%d", s->sctpi_inqueue); | |
1896 | if (s->sctpi_outqueue) | |
1897 | printf(" outqueue:%d", s->sctpi_outqueue); | |
1898 | if (s->sctpi_overall_error) | |
1899 | printf(" overerr:%d", s->sctpi_overall_error); | |
1900 | if (s->sctpi_max_burst) | |
1901 | printf(" maxburst:%d", s->sctpi_max_burst); | |
1902 | if (s->sctpi_maxseg) | |
1903 | printf(" maxseg:%d", s->sctpi_maxseg); | |
1904 | if (s->sctpi_peer_rwnd) | |
1905 | printf(" prwnd:%d", s->sctpi_peer_rwnd); | |
1906 | if (s->sctpi_peer_tag) | |
1907 | printf(" ptag:%x", s->sctpi_peer_tag); | |
1908 | if (s->sctpi_peer_capable) | |
1909 | printf(" pcapable:%d", s->sctpi_peer_capable); | |
1910 | if (s->sctpi_peer_sack) | |
1911 | printf(" psack:%d", s->sctpi_peer_sack); | |
1912 | if (s->sctpi_s_autoclose) | |
1913 | printf(" autoclose:%d", s->sctpi_s_autoclose); | |
1914 | if (s->sctpi_s_adaptation_ind) | |
1915 | printf(" adapind:%d", s->sctpi_s_adaptation_ind); | |
1916 | if (s->sctpi_s_pd_point) | |
1917 | printf(" pdpoint:%d", s->sctpi_s_pd_point); | |
1918 | if (s->sctpi_s_nodelay) | |
1919 | printf(" nodealy:%d", s->sctpi_s_nodelay); | |
1920 | if (s->sctpi_s_disable_fragments) | |
1921 | printf(" nofrag:%d", s->sctpi_s_disable_fragments); | |
1922 | if (s->sctpi_s_v4mapped) | |
1923 | printf(" v4mapped:%d", s->sctpi_s_v4mapped); | |
1924 | if (s->sctpi_s_frag_interleave) | |
1925 | printf(" fraginl:%d", s->sctpi_s_frag_interleave); | |
1926 | } | |
1927 | ||
8250bc9f VK |
1928 | static void tcp_stats_print(struct tcpstat *s) |
1929 | { | |
1930 | char b1[64]; | |
1931 | ||
1932 | if (s->has_ts_opt) | |
1933 | printf(" ts"); | |
1934 | if (s->has_sack_opt) | |
1935 | printf(" sack"); | |
1936 | if (s->has_ecn_opt) | |
1937 | printf(" ecn"); | |
1938 | if (s->has_ecnseen_opt) | |
1939 | printf(" ecnseen"); | |
1940 | if (s->has_fastopen_opt) | |
1941 | printf(" fastopen"); | |
d2055ea5 | 1942 | if (s->cong_alg[0]) |
8250bc9f VK |
1943 | printf(" %s", s->cong_alg); |
1944 | if (s->has_wscale_opt) | |
1945 | printf(" wscale:%d,%d", s->snd_wscale, s->rcv_wscale); | |
1946 | if (s->rto) | |
1947 | printf(" rto:%g", s->rto); | |
1948 | if (s->backoff) | |
1949 | printf(" backoff:%u", s->backoff); | |
1950 | if (s->rtt) | |
1951 | printf(" rtt:%g/%g", s->rtt, s->rttvar); | |
1952 | if (s->ato) | |
1953 | printf(" ato:%g", s->ato); | |
1954 | ||
1955 | if (s->qack) | |
1956 | printf(" qack:%d", s->qack); | |
1957 | if (s->qack & 1) | |
1958 | printf(" bidir"); | |
1959 | ||
1960 | if (s->mss) | |
1961 | printf(" mss:%d", s->mss); | |
38e6dbc4 ED |
1962 | if (s->rcv_mss) |
1963 | printf(" rcvmss:%d", s->rcv_mss); | |
1964 | if (s->advmss) | |
1965 | printf(" advmss:%d", s->advmss); | |
3bf5445c | 1966 | if (s->cwnd) |
d1f338b3 | 1967 | printf(" cwnd:%u", s->cwnd); |
8250bc9f VK |
1968 | if (s->ssthresh) |
1969 | printf(" ssthresh:%d", s->ssthresh); | |
1970 | ||
1a4dda71 ED |
1971 | if (s->bytes_acked) |
1972 | printf(" bytes_acked:%llu", s->bytes_acked); | |
1973 | if (s->bytes_received) | |
1974 | printf(" bytes_received:%llu", s->bytes_received); | |
ecb435ea CG |
1975 | if (s->segs_out) |
1976 | printf(" segs_out:%u", s->segs_out); | |
1977 | if (s->segs_in) | |
1978 | printf(" segs_in:%u", s->segs_in); | |
414aeec9 MKL |
1979 | if (s->data_segs_out) |
1980 | printf(" data_segs_out:%u", s->data_segs_out); | |
1981 | if (s->data_segs_in) | |
1982 | printf(" data_segs_in:%u", s->data_segs_in); | |
1a4dda71 | 1983 | |
8250bc9f VK |
1984 | if (s->dctcp && s->dctcp->enabled) { |
1985 | struct dctcpstat *dctcp = s->dctcp; | |
1986 | ||
3bf5445c | 1987 | printf(" dctcp:(ce_state:%u,alpha:%u,ab_ecn:%u,ab_tot:%u)", |
8250bc9f VK |
1988 | dctcp->ce_state, dctcp->alpha, dctcp->ab_ecn, |
1989 | dctcp->ab_tot); | |
1990 | } else if (s->dctcp) { | |
3bf5445c | 1991 | printf(" dctcp:fallback_mode"); |
8250bc9f VK |
1992 | } |
1993 | ||
2f0f9aef NC |
1994 | if (s->bbr_info) { |
1995 | __u64 bw; | |
1996 | ||
1997 | bw = s->bbr_info->bbr_bw_hi; | |
1998 | bw <<= 32; | |
1999 | bw |= s->bbr_info->bbr_bw_lo; | |
2000 | ||
2001 | printf(" bbr:(bw:%sbps,mrtt:%g", | |
2002 | sprint_bw(b1, bw * 8.0), | |
2003 | (double)s->bbr_info->bbr_min_rtt / 1000.0); | |
2004 | if (s->bbr_info->bbr_pacing_gain) | |
2005 | printf(",pacing_gain:%g", | |
2006 | (double)s->bbr_info->bbr_pacing_gain / 256.0); | |
2007 | if (s->bbr_info->bbr_cwnd_gain) | |
2008 | printf(",cwnd_gain:%g", | |
2009 | (double)s->bbr_info->bbr_cwnd_gain / 256.0); | |
2010 | printf(")"); | |
2011 | } | |
2012 | ||
8250bc9f VK |
2013 | if (s->send_bps) |
2014 | printf(" send %sbps", sprint_bw(b1, s->send_bps)); | |
2015 | if (s->lastsnd) | |
2016 | printf(" lastsnd:%u", s->lastsnd); | |
2017 | if (s->lastrcv) | |
2018 | printf(" lastrcv:%u", s->lastrcv); | |
2019 | if (s->lastack) | |
2020 | printf(" lastack:%u", s->lastack); | |
2021 | ||
2022 | if (s->pacing_rate) { | |
2023 | printf(" pacing_rate %sbps", sprint_bw(b1, s->pacing_rate)); | |
2024 | if (s->pacing_rate_max) | |
2025 | printf("/%sbps", sprint_bw(b1, | |
2026 | s->pacing_rate_max)); | |
2027 | } | |
2028 | ||
2f579872 NC |
2029 | if (s->delivery_rate) |
2030 | printf(" delivery_rate %sbps", sprint_bw(b1, s->delivery_rate)); | |
2031 | if (s->app_limited) | |
2032 | printf(" app_limited"); | |
2033 | ||
b6c7fc61 YC |
2034 | if (s->busy_time) { |
2035 | printf(" busy:%llums", s->busy_time / 1000); | |
2036 | if (s->rwnd_limited) | |
2037 | printf(" rwnd_limited:%llums(%.1f%%)", | |
2038 | s->rwnd_limited / 1000, | |
2039 | 100.0 * s->rwnd_limited / s->busy_time); | |
2040 | if (s->sndbuf_limited) | |
2041 | printf(" sndbuf_limited:%llums(%.1f%%)", | |
2042 | s->sndbuf_limited / 1000, | |
2043 | 100.0 * s->sndbuf_limited / s->busy_time); | |
2044 | } | |
2045 | ||
8250bc9f VK |
2046 | if (s->unacked) |
2047 | printf(" unacked:%u", s->unacked); | |
2048 | if (s->retrans || s->retrans_total) | |
2049 | printf(" retrans:%u/%u", s->retrans, s->retrans_total); | |
2050 | if (s->lost) | |
2051 | printf(" lost:%u", s->lost); | |
055840f2 | 2052 | if (s->sacked && s->ss.state != SS_LISTEN) |
8250bc9f VK |
2053 | printf(" sacked:%u", s->sacked); |
2054 | if (s->fackets) | |
2055 | printf(" fackets:%u", s->fackets); | |
2056 | if (s->reordering != 3) | |
2057 | printf(" reordering:%d", s->reordering); | |
2058 | if (s->rcv_rtt) | |
2059 | printf(" rcv_rtt:%g", s->rcv_rtt); | |
2060 | if (s->rcv_space) | |
2061 | printf(" rcv_space:%d", s->rcv_space); | |
00ac78d3 WW |
2062 | if (s->rcv_ssthresh) |
2063 | printf(" rcv_ssthresh:%u", s->rcv_ssthresh); | |
9e99e495 SH |
2064 | if (s->not_sent) |
2065 | printf(" notsent:%u", s->not_sent); | |
2066 | if (s->min_rtt) | |
2067 | printf(" minrtt:%g", s->min_rtt); | |
8250bc9f VK |
2068 | } |
2069 | ||
055840f2 VK |
2070 | static void tcp_timer_print(struct tcpstat *s) |
2071 | { | |
86dfa1be PS |
2072 | static const char * const tmr_name[] = { |
2073 | "off", | |
2074 | "on", | |
2075 | "keepalive", | |
2076 | "timewait", | |
2077 | "persist", | |
2078 | "unknown" | |
2079 | }; | |
2080 | ||
055840f2 VK |
2081 | if (s->timer) { |
2082 | if (s->timer > 4) | |
2083 | s->timer = 5; | |
2084 | printf(" timer:(%s,%s,%d)", | |
2085 | tmr_name[s->timer], | |
2086 | print_ms_timer(s->timeout), | |
2087 | s->retrans); | |
2088 | } | |
2089 | } | |
2090 | ||
f89d46ad PS |
2091 | static void sctp_timer_print(struct tcpstat *s) |
2092 | { | |
2093 | if (s->timer) | |
2094 | printf(" timer:(T3_RTX,%s,%d)", | |
2095 | print_ms_timer(s->timeout), s->retrans); | |
2096 | } | |
2097 | ||
8250bc9f VK |
2098 | static int tcp_show_line(char *line, const struct filter *f, int family) |
2099 | { | |
2100 | int rto = 0, ato = 0; | |
2101 | struct tcpstat s = {}; | |
2102 | char *loc, *rem, *data; | |
2103 | char opt[256]; | |
2104 | int n; | |
2105 | int hz = get_user_hz(); | |
2106 | ||
2107 | if (proc_inet_split_line(line, &loc, &rem, &data)) | |
2108 | return -1; | |
2109 | ||
2110 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); | |
acd1e437 | 2111 | |
8250bc9f VK |
2112 | if (!(f->states & (1 << state))) |
2113 | return 0; | |
2114 | ||
055840f2 | 2115 | proc_parse_inet_addr(loc, rem, family, &s.ss); |
ae665a52 | 2116 | |
055840f2 | 2117 | if (f->f && run_ssfilter(f->f, &s.ss) == 0) |
aba5acdf | 2118 | return 0; |
ae665a52 | 2119 | |
aba5acdf | 2120 | opt[0] = 0; |
d1f338b3 | 2121 | n = sscanf(data, "%x %x:%x %x:%x %x %d %d %u %d %llx %d %d %d %u %d %[^\n]\n", |
055840f2 VK |
2122 | &s.ss.state, &s.ss.wq, &s.ss.rq, |
2123 | &s.timer, &s.timeout, &s.retrans, &s.ss.uid, &s.probes, | |
2124 | &s.ss.ino, &s.ss.refcnt, &s.ss.sk, &rto, &ato, &s.qack, &s.cwnd, | |
2125 | &s.ssthresh, opt); | |
ae665a52 | 2126 | |
aba5acdf SH |
2127 | if (n < 17) |
2128 | opt[0] = 0; | |
ae665a52 | 2129 | |
aba5acdf | 2130 | if (n < 12) { |
8250bc9f | 2131 | rto = 0; |
aba5acdf SH |
2132 | s.cwnd = 2; |
2133 | s.ssthresh = -1; | |
8250bc9f | 2134 | ato = s.qack = 0; |
aba5acdf | 2135 | } |
ae665a52 | 2136 | |
8250bc9f VK |
2137 | s.retrans = s.timer != 1 ? s.probes : s.retrans; |
2138 | s.timeout = (s.timeout * 1000 + hz - 1) / hz; | |
2139 | s.ato = (double)ato / hz; | |
2140 | s.qack /= 2; | |
2141 | s.rto = (double)rto; | |
2142 | s.ssthresh = s.ssthresh == -1 ? 0 : s.ssthresh; | |
2143 | s.rto = s.rto != 3 * hz ? s.rto / hz : 0; | |
be7e4d20 | 2144 | s.ss.type = IPPROTO_TCP; |
ae665a52 | 2145 | |
1267c0b9 | 2146 | inet_stats_print(&s.ss, false); |
055840f2 VK |
2147 | |
2148 | if (show_options) | |
2149 | tcp_timer_print(&s); | |
116ac927 | 2150 | |
aba5acdf | 2151 | if (show_details) { |
f1b39e1b | 2152 | sock_details_print(&s.ss); |
aba5acdf SH |
2153 | if (opt[0]) |
2154 | printf(" opt:\"%s\"", opt); | |
2155 | } | |
aba5acdf | 2156 | |
8250bc9f VK |
2157 | if (show_tcpinfo) |
2158 | tcp_stats_print(&s); | |
2159 | ||
2160 | printf("\n"); | |
aba5acdf SH |
2161 | return 0; |
2162 | } | |
2163 | ||
ab01dbbb SH |
2164 | static int generic_record_read(FILE *fp, |
2165 | int (*worker)(char*, const struct filter *, int), | |
2166 | const struct filter *f, int fam) | |
aba5acdf | 2167 | { |
ab01dbbb | 2168 | char line[256]; |
aba5acdf | 2169 | |
ab01dbbb SH |
2170 | /* skip header */ |
2171 | if (fgets(line, sizeof(line), fp) == NULL) | |
aba5acdf | 2172 | goto outerr; |
ab01dbbb SH |
2173 | |
2174 | while (fgets(line, sizeof(line), fp) != NULL) { | |
2175 | int n = strlen(line); | |
acd1e437 | 2176 | |
ab01dbbb SH |
2177 | if (n == 0 || line[n-1] != '\n') { |
2178 | errno = -EINVAL; | |
2179 | return -1; | |
aba5acdf | 2180 | } |
ab01dbbb | 2181 | line[n-1] = 0; |
aba5acdf | 2182 | |
ab01dbbb SH |
2183 | if (worker(line, f, fam) < 0) |
2184 | return 0; | |
2185 | } | |
aba5acdf | 2186 | outerr: |
ab01dbbb SH |
2187 | |
2188 | return ferror(fp) ? -1 : 0; | |
aba5acdf | 2189 | } |
ae665a52 | 2190 | |
51ff9f24 HFS |
2191 | static void print_skmeminfo(struct rtattr *tb[], int attrtype) |
2192 | { | |
2193 | const __u32 *skmeminfo; | |
db08bdb8 VK |
2194 | |
2195 | if (!tb[attrtype]) { | |
2196 | if (attrtype == INET_DIAG_SKMEMINFO) { | |
2197 | if (!tb[INET_DIAG_MEMINFO]) | |
2198 | return; | |
2199 | ||
2200 | const struct inet_diag_meminfo *minfo = | |
2201 | RTA_DATA(tb[INET_DIAG_MEMINFO]); | |
2202 | ||
2203 | printf(" mem:(r%u,w%u,f%u,t%u)", | |
2204 | minfo->idiag_rmem, | |
2205 | minfo->idiag_wmem, | |
2206 | minfo->idiag_fmem, | |
2207 | minfo->idiag_tmem); | |
2208 | } | |
51ff9f24 | 2209 | return; |
db08bdb8 VK |
2210 | } |
2211 | ||
51ff9f24 HFS |
2212 | skmeminfo = RTA_DATA(tb[attrtype]); |
2213 | ||
2214 | printf(" skmem:(r%u,rb%u,t%u,tb%u,f%u,w%u,o%u", | |
2215 | skmeminfo[SK_MEMINFO_RMEM_ALLOC], | |
2216 | skmeminfo[SK_MEMINFO_RCVBUF], | |
2217 | skmeminfo[SK_MEMINFO_WMEM_ALLOC], | |
2218 | skmeminfo[SK_MEMINFO_SNDBUF], | |
2219 | skmeminfo[SK_MEMINFO_FWD_ALLOC], | |
2220 | skmeminfo[SK_MEMINFO_WMEM_QUEUED], | |
2221 | skmeminfo[SK_MEMINFO_OPTMEM]); | |
2222 | ||
2223 | if (RTA_PAYLOAD(tb[attrtype]) >= | |
2224 | (SK_MEMINFO_BACKLOG + 1) * sizeof(__u32)) | |
2225 | printf(",bl%u", skmeminfo[SK_MEMINFO_BACKLOG]); | |
2226 | ||
6df9c7a0 ED |
2227 | if (RTA_PAYLOAD(tb[attrtype]) >= |
2228 | (SK_MEMINFO_DROPS + 1) * sizeof(__u32)) | |
2229 | printf(",d%u", skmeminfo[SK_MEMINFO_DROPS]); | |
2230 | ||
51ff9f24 HFS |
2231 | printf(")"); |
2232 | } | |
2233 | ||
da9cc6ab ID |
2234 | static void print_md5sig(struct tcp_diag_md5sig *sig) |
2235 | { | |
2236 | printf("%s/%d=", | |
2237 | format_host(sig->tcpm_family, | |
2238 | sig->tcpm_family == AF_INET6 ? 16 : 4, | |
2239 | &sig->tcpm_addr), | |
2240 | sig->tcpm_prefixlen); | |
2241 | print_escape_buf(sig->tcpm_key, sig->tcpm_keylen, " ,"); | |
2242 | } | |
2243 | ||
8250bc9f VK |
2244 | #define TCPI_HAS_OPT(info, opt) !!(info->tcpi_options & (opt)) |
2245 | ||
5b816047 PE |
2246 | static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, |
2247 | struct rtattr *tb[]) | |
7d105b56 | 2248 | { |
b4b0b7d5 | 2249 | double rtt = 0; |
8250bc9f | 2250 | struct tcpstat s = {}; |
7d105b56 | 2251 | |
055840f2 VK |
2252 | s.ss.state = r->idiag_state; |
2253 | ||
db08bdb8 | 2254 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); |
7d105b56 | 2255 | |
351efcde | 2256 | if (tb[INET_DIAG_INFO]) { |
05e18118 | 2257 | struct tcp_info *info; |
351efcde | 2258 | int len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); |
05e18118 SH |
2259 | |
2260 | /* workaround for older kernels with less fields */ | |
2261 | if (len < sizeof(*info)) { | |
2262 | info = alloca(sizeof(*info)); | |
351efcde | 2263 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); |
656e8fdd | 2264 | memset((char *)info + len, 0, sizeof(*info) - len); |
05e18118 | 2265 | } else |
351efcde | 2266 | info = RTA_DATA(tb[INET_DIAG_INFO]); |
05e18118 | 2267 | |
b4b0b7d5 | 2268 | if (show_options) { |
8250bc9f VK |
2269 | s.has_ts_opt = TCPI_HAS_OPT(info, TCPI_OPT_TIMESTAMPS); |
2270 | s.has_sack_opt = TCPI_HAS_OPT(info, TCPI_OPT_SACK); | |
2271 | s.has_ecn_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN); | |
2272 | s.has_ecnseen_opt = TCPI_HAS_OPT(info, TCPI_OPT_ECN_SEEN); | |
2273 | s.has_fastopen_opt = TCPI_HAS_OPT(info, TCPI_OPT_SYN_DATA); | |
b4b0b7d5 | 2274 | } |
52d5ac3f | 2275 | |
d2055ea5 ED |
2276 | if (tb[INET_DIAG_CONG]) |
2277 | strncpy(s.cong_alg, | |
2278 | rta_getattr_str(tb[INET_DIAG_CONG]), | |
2279 | sizeof(s.cong_alg) - 1); | |
8250bc9f VK |
2280 | |
2281 | if (TCPI_HAS_OPT(info, TCPI_OPT_WSCALE)) { | |
2282 | s.has_wscale_opt = true; | |
2283 | s.snd_wscale = info->tcpi_snd_wscale; | |
2284 | s.rcv_wscale = info->tcpi_rcv_wscale; | |
2285 | } | |
ea8fc104 | 2286 | |
7d105b56 | 2287 | if (info->tcpi_rto && info->tcpi_rto != 3000000) |
8250bc9f VK |
2288 | s.rto = (double)info->tcpi_rto / 1000; |
2289 | ||
2290 | s.backoff = info->tcpi_backoff; | |
2291 | s.rtt = (double)info->tcpi_rtt / 1000; | |
2292 | s.rttvar = (double)info->tcpi_rttvar / 1000; | |
11ba90fc | 2293 | s.ato = (double)info->tcpi_ato / 1000; |
8250bc9f | 2294 | s.mss = info->tcpi_snd_mss; |
38e6dbc4 ED |
2295 | s.rcv_mss = info->tcpi_rcv_mss; |
2296 | s.advmss = info->tcpi_advmss; | |
8250bc9f VK |
2297 | s.rcv_space = info->tcpi_rcv_space; |
2298 | s.rcv_rtt = (double)info->tcpi_rcv_rtt / 1000; | |
2299 | s.lastsnd = info->tcpi_last_data_sent; | |
2300 | s.lastrcv = info->tcpi_last_data_recv; | |
2301 | s.lastack = info->tcpi_last_ack_recv; | |
2302 | s.unacked = info->tcpi_unacked; | |
2303 | s.retrans = info->tcpi_retrans; | |
2304 | s.retrans_total = info->tcpi_total_retrans; | |
2305 | s.lost = info->tcpi_lost; | |
2306 | s.sacked = info->tcpi_sacked; | |
c4be5feb | 2307 | s.fackets = info->tcpi_fackets; |
8250bc9f VK |
2308 | s.reordering = info->tcpi_reordering; |
2309 | s.rcv_space = info->tcpi_rcv_space; | |
00ac78d3 | 2310 | s.rcv_ssthresh = info->tcpi_rcv_ssthresh; |
8250bc9f VK |
2311 | s.cwnd = info->tcpi_snd_cwnd; |
2312 | ||
7d105b56 | 2313 | if (info->tcpi_snd_ssthresh < 0xFFFF) |
8250bc9f | 2314 | s.ssthresh = info->tcpi_snd_ssthresh; |
52d5ac3f | 2315 | |
b4b0b7d5 | 2316 | rtt = (double) info->tcpi_rtt; |
351efcde | 2317 | if (tb[INET_DIAG_VEGASINFO]) { |
05e18118 | 2318 | const struct tcpvegas_info *vinfo |
351efcde | 2319 | = RTA_DATA(tb[INET_DIAG_VEGASINFO]); |
7d105b56 | 2320 | |
ae665a52 | 2321 | if (vinfo->tcpv_enabled && |
8250bc9f | 2322 | vinfo->tcpv_rtt && vinfo->tcpv_rtt != 0x7fffffff) |
ea8fc104 | 2323 | rtt = vinfo->tcpv_rtt; |
b4b0b7d5 SH |
2324 | } |
2325 | ||
907e1aca | 2326 | if (tb[INET_DIAG_DCTCPINFO]) { |
8250bc9f VK |
2327 | struct dctcpstat *dctcp = malloc(sizeof(struct |
2328 | dctcpstat)); | |
2329 | ||
907e1aca DB |
2330 | const struct tcp_dctcp_info *dinfo |
2331 | = RTA_DATA(tb[INET_DIAG_DCTCPINFO]); | |
2332 | ||
8250bc9f VK |
2333 | dctcp->enabled = !!dinfo->dctcp_enabled; |
2334 | dctcp->ce_state = dinfo->dctcp_ce_state; | |
2335 | dctcp->alpha = dinfo->dctcp_alpha; | |
2336 | dctcp->ab_ecn = dinfo->dctcp_ab_ecn; | |
2337 | dctcp->ab_tot = dinfo->dctcp_ab_tot; | |
2338 | s.dctcp = dctcp; | |
907e1aca DB |
2339 | } |
2340 | ||
2f0f9aef NC |
2341 | if (tb[INET_DIAG_BBRINFO]) { |
2342 | const void *bbr_info = RTA_DATA(tb[INET_DIAG_BBRINFO]); | |
2343 | int len = min(RTA_PAYLOAD(tb[INET_DIAG_BBRINFO]), | |
2344 | sizeof(*s.bbr_info)); | |
2345 | ||
2346 | s.bbr_info = calloc(1, sizeof(*s.bbr_info)); | |
2347 | if (s.bbr_info && bbr_info) | |
2348 | memcpy(s.bbr_info, bbr_info, len); | |
2349 | } | |
2350 | ||
b4b0b7d5 | 2351 | if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) { |
8250bc9f VK |
2352 | s.send_bps = (double) info->tcpi_snd_cwnd * |
2353 | (double)info->tcpi_snd_mss * 8000000. / rtt; | |
7d105b56 | 2354 | } |
b4b0b7d5 | 2355 | |
eb6028b2 | 2356 | if (info->tcpi_pacing_rate && |
8250bc9f VK |
2357 | info->tcpi_pacing_rate != ~0ULL) { |
2358 | s.pacing_rate = info->tcpi_pacing_rate * 8.; | |
eb6028b2 ED |
2359 | |
2360 | if (info->tcpi_max_pacing_rate && | |
8250bc9f VK |
2361 | info->tcpi_max_pacing_rate != ~0ULL) |
2362 | s.pacing_rate_max = info->tcpi_max_pacing_rate * 8.; | |
eb6028b2 | 2363 | } |
1a4dda71 ED |
2364 | s.bytes_acked = info->tcpi_bytes_acked; |
2365 | s.bytes_received = info->tcpi_bytes_received; | |
ecb435ea CG |
2366 | s.segs_out = info->tcpi_segs_out; |
2367 | s.segs_in = info->tcpi_segs_in; | |
414aeec9 MKL |
2368 | s.data_segs_out = info->tcpi_data_segs_out; |
2369 | s.data_segs_in = info->tcpi_data_segs_in; | |
9e99e495 | 2370 | s.not_sent = info->tcpi_notsent_bytes; |
d9ba887e ED |
2371 | if (info->tcpi_min_rtt && info->tcpi_min_rtt != ~0U) |
2372 | s.min_rtt = (double) info->tcpi_min_rtt / 1000; | |
2f579872 NC |
2373 | s.delivery_rate = info->tcpi_delivery_rate * 8.; |
2374 | s.app_limited = info->tcpi_delivery_rate_app_limited; | |
b6c7fc61 YC |
2375 | s.busy_time = info->tcpi_busy_time; |
2376 | s.rwnd_limited = info->tcpi_rwnd_limited; | |
2377 | s.sndbuf_limited = info->tcpi_sndbuf_limited; | |
8250bc9f | 2378 | tcp_stats_print(&s); |
92de1c2c | 2379 | free(s.dctcp); |
2f0f9aef | 2380 | free(s.bbr_info); |
77a8ca81 | 2381 | } |
da9cc6ab ID |
2382 | if (tb[INET_DIAG_MD5SIG]) { |
2383 | struct tcp_diag_md5sig *sig = RTA_DATA(tb[INET_DIAG_MD5SIG]); | |
2384 | int len = RTA_PAYLOAD(tb[INET_DIAG_MD5SIG]); | |
2385 | ||
2386 | printf(" md5keys:"); | |
2387 | print_md5sig(sig++); | |
2388 | for (len -= sizeof(*sig); len > 0; len -= sizeof(*sig)) { | |
2389 | printf(","); | |
2390 | print_md5sig(sig++); | |
2391 | } | |
2392 | } | |
77a8ca81 PE |
2393 | } |
2394 | ||
f89d46ad PS |
2395 | static const char *format_host_sa(struct sockaddr_storage *sa) |
2396 | { | |
2397 | union { | |
2398 | struct sockaddr_in sin; | |
2399 | struct sockaddr_in6 sin6; | |
2400 | } *saddr = (void *)sa; | |
2401 | ||
2402 | switch (sa->ss_family) { | |
2403 | case AF_INET: | |
2404 | return format_host(AF_INET, 4, &saddr->sin.sin_addr); | |
2405 | case AF_INET6: | |
2406 | return format_host(AF_INET6, 16, &saddr->sin6.sin6_addr); | |
2407 | default: | |
2408 | return ""; | |
2409 | } | |
2410 | } | |
2411 | ||
2412 | static void sctp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, | |
2413 | struct rtattr *tb[]) | |
2414 | { | |
2415 | struct sockaddr_storage *sa; | |
2416 | int len; | |
2417 | ||
2418 | print_skmeminfo(tb, INET_DIAG_SKMEMINFO); | |
2419 | ||
2420 | if (tb[INET_DIAG_LOCALS]) { | |
2421 | len = RTA_PAYLOAD(tb[INET_DIAG_LOCALS]); | |
2422 | sa = RTA_DATA(tb[INET_DIAG_LOCALS]); | |
2423 | ||
2424 | printf("locals:%s", format_host_sa(sa)); | |
2425 | for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa)) | |
2426 | printf(",%s", format_host_sa(sa)); | |
2427 | ||
2428 | } | |
2429 | if (tb[INET_DIAG_PEERS]) { | |
2430 | len = RTA_PAYLOAD(tb[INET_DIAG_PEERS]); | |
2431 | sa = RTA_DATA(tb[INET_DIAG_PEERS]); | |
2432 | ||
2433 | printf(" peers:%s", format_host_sa(sa)); | |
2434 | for (sa++, len -= sizeof(*sa); len > 0; sa++, len -= sizeof(*sa)) | |
2435 | printf(",%s", format_host_sa(sa)); | |
2436 | } | |
2437 | if (tb[INET_DIAG_INFO]) { | |
2438 | struct sctp_info *info; | |
2439 | len = RTA_PAYLOAD(tb[INET_DIAG_INFO]); | |
2440 | ||
2441 | /* workaround for older kernels with less fields */ | |
2442 | if (len < sizeof(*info)) { | |
2443 | info = alloca(sizeof(*info)); | |
2444 | memcpy(info, RTA_DATA(tb[INET_DIAG_INFO]), len); | |
2445 | memset((char *)info + len, 0, sizeof(*info) - len); | |
2446 | } else | |
2447 | info = RTA_DATA(tb[INET_DIAG_INFO]); | |
2448 | ||
2449 | sctp_stats_print(info); | |
2450 | } | |
2451 | } | |
2452 | ||
82d73ea0 | 2453 | static void parse_diag_msg(struct nlmsghdr *nlh, struct sockstat *s) |
aba5acdf | 2454 | { |
acd1e437 | 2455 | struct rtattr *tb[INET_DIAG_MAX+1]; |
351efcde | 2456 | struct inet_diag_msg *r = NLMSG_DATA(nlh); |
aba5acdf | 2457 | |
acd1e437 | 2458 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), |
5b816047 PE |
2459 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
2460 | ||
82d73ea0 DA |
2461 | s->state = r->idiag_state; |
2462 | s->local.family = s->remote.family = r->idiag_family; | |
2463 | s->lport = ntohs(r->id.idiag_sport); | |
2464 | s->rport = ntohs(r->id.idiag_dport); | |
2465 | s->wq = r->idiag_wqueue; | |
2466 | s->rq = r->idiag_rqueue; | |
2467 | s->ino = r->idiag_inode; | |
2468 | s->uid = r->idiag_uid; | |
2469 | s->iface = r->id.idiag_if; | |
2470 | s->sk = cookie_sk_get(&r->id.idiag_cookie[0]); | |
2471 | ||
ec75249b LC |
2472 | s->mark = 0; |
2473 | if (tb[INET_DIAG_MARK]) | |
9f1370c0 | 2474 | s->mark = rta_getattr_u32(tb[INET_DIAG_MARK]); |
41fe6c34 | 2475 | if (tb[INET_DIAG_PROTOCOL]) |
9f1370c0 | 2476 | s->raw_prot = rta_getattr_u8(tb[INET_DIAG_PROTOCOL]); |
41fe6c34 CG |
2477 | else |
2478 | s->raw_prot = 0; | |
ec75249b | 2479 | |
82d73ea0 DA |
2480 | if (s->local.family == AF_INET) |
2481 | s->local.bytelen = s->remote.bytelen = 4; | |
2482 | else | |
2483 | s->local.bytelen = s->remote.bytelen = 16; | |
8250bc9f | 2484 | |
82d73ea0 DA |
2485 | memcpy(s->local.data, r->id.idiag_src, s->local.bytelen); |
2486 | memcpy(s->remote.data, r->id.idiag_dst, s->local.bytelen); | |
2487 | } | |
aba5acdf | 2488 | |
82d73ea0 | 2489 | static int inet_show_sock(struct nlmsghdr *nlh, |
be7e4d20 | 2490 | struct sockstat *s) |
82d73ea0 DA |
2491 | { |
2492 | struct rtattr *tb[INET_DIAG_MAX+1]; | |
2493 | struct inet_diag_msg *r = NLMSG_DATA(nlh); | |
1267c0b9 | 2494 | unsigned char v6only = 0; |
82d73ea0 DA |
2495 | |
2496 | parse_rtattr(tb, INET_DIAG_MAX, (struct rtattr *)(r+1), | |
2497 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); | |
aba5acdf | 2498 | |
6885e3bf | 2499 | if (tb[INET_DIAG_PROTOCOL]) |
9f1370c0 | 2500 | s->type = rta_getattr_u8(tb[INET_DIAG_PROTOCOL]); |
6885e3bf | 2501 | |
1267c0b9 PS |
2502 | if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY]) |
2503 | v6only = rta_getattr_u8(tb[INET_DIAG_SKV6ONLY]); | |
2504 | ||
2505 | inet_stats_print(s, v6only); | |
116ac927 | 2506 | |
055840f2 VK |
2507 | if (show_options) { |
2508 | struct tcpstat t = {}; | |
2509 | ||
2510 | t.timer = r->idiag_timer; | |
2511 | t.timeout = r->idiag_expires; | |
2512 | t.retrans = r->idiag_retrans; | |
be7e4d20 | 2513 | if (s->type == IPPROTO_SCTP) |
f89d46ad PS |
2514 | sctp_timer_print(&t); |
2515 | else | |
2516 | tcp_timer_print(&t); | |
055840f2 VK |
2517 | } |
2518 | ||
aba5acdf | 2519 | if (show_details) { |
82d73ea0 | 2520 | sock_details_print(s); |
1267c0b9 | 2521 | if (s->local.family == AF_INET6 && tb[INET_DIAG_SKV6ONLY]) |
f32dc746 | 2522 | printf(" v6only:%u", v6only); |
1267c0b9 | 2523 | |
5b816047 PE |
2524 | if (tb[INET_DIAG_SHUTDOWN]) { |
2525 | unsigned char mask; | |
acd1e437 | 2526 | |
9f1370c0 | 2527 | mask = rta_getattr_u8(tb[INET_DIAG_SHUTDOWN]); |
5b816047 PE |
2528 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); |
2529 | } | |
aba5acdf | 2530 | } |
8250bc9f | 2531 | |
be7e4d20 | 2532 | if (show_mem || (show_tcpinfo && s->type != IPPROTO_UDP)) { |
7d105b56 | 2533 | printf("\n\t"); |
be7e4d20 | 2534 | if (s->type == IPPROTO_SCTP) |
f89d46ad PS |
2535 | sctp_show_info(nlh, r, tb); |
2536 | else | |
2537 | tcp_show_info(nlh, r, tb); | |
aba5acdf | 2538 | } |
f89d46ad | 2539 | sctp_ino = s->ino; |
7d105b56 | 2540 | |
aba5acdf | 2541 | printf("\n"); |
aba5acdf | 2542 | return 0; |
aba5acdf SH |
2543 | } |
2544 | ||
746a695f | 2545 | static int tcpdiag_send(int fd, int protocol, struct filter *f) |
aba5acdf | 2546 | { |
d17b136f | 2547 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
aba5acdf SH |
2548 | struct { |
2549 | struct nlmsghdr nlh; | |
351efcde | 2550 | struct inet_diag_req r; |
d17b136f PS |
2551 | } req = { |
2552 | .nlh.nlmsg_len = sizeof(req), | |
2553 | .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST, | |
2554 | .nlh.nlmsg_seq = MAGIC_SEQ, | |
2555 | .r.idiag_family = AF_INET, | |
2556 | .r.idiag_states = f->states, | |
2557 | }; | |
aba5acdf SH |
2558 | char *bc = NULL; |
2559 | int bclen; | |
2560 | struct msghdr msg; | |
2561 | struct rtattr rta; | |
aba5acdf | 2562 | struct iovec iov[3]; |
376fb868 | 2563 | int iovlen = 1; |
aba5acdf | 2564 | |
346f8ca8 PE |
2565 | if (protocol == IPPROTO_UDP) |
2566 | return -1; | |
2567 | ||
3fe5b534 PE |
2568 | if (protocol == IPPROTO_TCP) |
2569 | req.nlh.nlmsg_type = TCPDIAG_GETSOCK; | |
2570 | else | |
2571 | req.nlh.nlmsg_type = DCCPDIAG_GETSOCK; | |
910b0397 | 2572 | if (show_mem) { |
ae665a52 | 2573 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); |
910b0397 SW |
2574 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); |
2575 | } | |
b4b0b7d5 | 2576 | |
7d105b56 | 2577 | if (show_tcpinfo) { |
351efcde SH |
2578 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); |
2579 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); | |
2580 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); | |
7d105b56 | 2581 | } |
aba5acdf | 2582 | |
ae665a52 SH |
2583 | iov[0] = (struct iovec){ |
2584 | .iov_base = &req, | |
2585 | .iov_len = sizeof(req) | |
ea8fc104 | 2586 | }; |
aba5acdf SH |
2587 | if (f->f) { |
2588 | bclen = ssfilter_bytecompile(f->f, &bc); | |
376fb868 DA |
2589 | if (bclen) { |
2590 | rta.rta_type = INET_DIAG_REQ_BYTECODE; | |
2591 | rta.rta_len = RTA_LENGTH(bclen); | |
2592 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; | |
2593 | iov[2] = (struct iovec){ bc, bclen }; | |
2594 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); | |
2595 | iovlen = 3; | |
2596 | } | |
aba5acdf SH |
2597 | } |
2598 | ||
2599 | msg = (struct msghdr) { | |
acd1e437 | 2600 | .msg_name = (void *)&nladdr, |
ea8fc104 | 2601 | .msg_namelen = sizeof(nladdr), |
ae665a52 | 2602 | .msg_iov = iov, |
376fb868 | 2603 | .msg_iovlen = iovlen, |
aba5acdf SH |
2604 | }; |
2605 | ||
930a75f9 ED |
2606 | if (sendmsg(fd, &msg, 0) < 0) { |
2607 | close(fd); | |
aba5acdf | 2608 | return -1; |
930a75f9 | 2609 | } |
aba5acdf | 2610 | |
746a695f PE |
2611 | return 0; |
2612 | } | |
2613 | ||
886d19d6 PE |
2614 | static int sockdiag_send(int family, int fd, int protocol, struct filter *f) |
2615 | { | |
d17b136f | 2616 | struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; |
5fb421d4 | 2617 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
886d19d6 PE |
2618 | char *bc = NULL; |
2619 | int bclen; | |
2620 | struct msghdr msg; | |
2621 | struct rtattr rta; | |
2622 | struct iovec iov[3]; | |
376fb868 | 2623 | int iovlen = 1; |
886d19d6 PE |
2624 | |
2625 | if (family == PF_UNSPEC) | |
2626 | return tcpdiag_send(fd, protocol, f); | |
2627 | ||
886d19d6 PE |
2628 | memset(&req.r, 0, sizeof(req.r)); |
2629 | req.r.sdiag_family = family; | |
2630 | req.r.sdiag_protocol = protocol; | |
2631 | req.r.idiag_states = f->states; | |
2632 | if (show_mem) { | |
2633 | req.r.idiag_ext |= (1<<(INET_DIAG_MEMINFO-1)); | |
2634 | req.r.idiag_ext |= (1<<(INET_DIAG_SKMEMINFO-1)); | |
2635 | } | |
2636 | ||
2637 | if (show_tcpinfo) { | |
2638 | req.r.idiag_ext |= (1<<(INET_DIAG_INFO-1)); | |
2639 | req.r.idiag_ext |= (1<<(INET_DIAG_VEGASINFO-1)); | |
2640 | req.r.idiag_ext |= (1<<(INET_DIAG_CONG-1)); | |
2641 | } | |
2642 | ||
2643 | iov[0] = (struct iovec){ | |
2644 | .iov_base = &req, | |
2645 | .iov_len = sizeof(req) | |
2646 | }; | |
2647 | if (f->f) { | |
2648 | bclen = ssfilter_bytecompile(f->f, &bc); | |
376fb868 DA |
2649 | if (bclen) { |
2650 | rta.rta_type = INET_DIAG_REQ_BYTECODE; | |
2651 | rta.rta_len = RTA_LENGTH(bclen); | |
2652 | iov[1] = (struct iovec){ &rta, sizeof(rta) }; | |
2653 | iov[2] = (struct iovec){ bc, bclen }; | |
2654 | req.nlh.nlmsg_len += RTA_LENGTH(bclen); | |
2655 | iovlen = 3; | |
2656 | } | |
886d19d6 PE |
2657 | } |
2658 | ||
2659 | msg = (struct msghdr) { | |
acd1e437 | 2660 | .msg_name = (void *)&nladdr, |
886d19d6 PE |
2661 | .msg_namelen = sizeof(nladdr), |
2662 | .msg_iov = iov, | |
376fb868 | 2663 | .msg_iovlen = iovlen, |
886d19d6 PE |
2664 | }; |
2665 | ||
2666 | if (sendmsg(fd, &msg, 0) < 0) { | |
2667 | close(fd); | |
2668 | return -1; | |
2669 | } | |
2670 | ||
2671 | return 0; | |
2672 | } | |
2673 | ||
486ccd99 VK |
2674 | struct inet_diag_arg { |
2675 | struct filter *f; | |
2676 | int protocol; | |
fb2594c1 | 2677 | struct rtnl_handle *rth; |
486ccd99 | 2678 | }; |
aba5acdf | 2679 | |
41fe6c34 | 2680 | static int kill_inet_sock(struct nlmsghdr *h, void *arg, struct sockstat *s) |
fb2594c1 LC |
2681 | { |
2682 | struct inet_diag_msg *d = NLMSG_DATA(h); | |
2683 | struct inet_diag_arg *diag_arg = arg; | |
2684 | struct rtnl_handle *rth = diag_arg->rth; | |
acd1e437 | 2685 | |
fb2594c1 LC |
2686 | DIAG_REQUEST(req, struct inet_diag_req_v2 r); |
2687 | ||
2688 | req.nlh.nlmsg_type = SOCK_DESTROY; | |
2689 | req.nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; | |
2690 | req.nlh.nlmsg_seq = ++rth->seq; | |
2691 | req.r.sdiag_family = d->idiag_family; | |
2692 | req.r.sdiag_protocol = diag_arg->protocol; | |
2693 | req.r.id = d->id; | |
2694 | ||
41fe6c34 CG |
2695 | if (diag_arg->protocol == IPPROTO_RAW) { |
2696 | struct inet_diag_req_raw *raw = (void *)&req.r; | |
2697 | ||
2698 | BUILD_BUG_ON(sizeof(req.r) != sizeof(*raw)); | |
2699 | raw->sdiag_raw_protocol = s->raw_prot; | |
2700 | } | |
2701 | ||
86bf43c7 | 2702 | return rtnl_talk(rth, &req.nlh, NULL); |
fb2594c1 LC |
2703 | } |
2704 | ||
486ccd99 VK |
2705 | static int show_one_inet_sock(const struct sockaddr_nl *addr, |
2706 | struct nlmsghdr *h, void *arg) | |
2707 | { | |
2708 | int err; | |
2709 | struct inet_diag_arg *diag_arg = arg; | |
2710 | struct inet_diag_msg *r = NLMSG_DATA(h); | |
82d73ea0 | 2711 | struct sockstat s = {}; |
aba5acdf | 2712 | |
b338a3e7 | 2713 | if (!(diag_arg->f->families & FAMILY_MASK(r->idiag_family))) |
486ccd99 | 2714 | return 0; |
82d73ea0 DA |
2715 | |
2716 | parse_diag_msg(h, &s); | |
be7e4d20 | 2717 | s.type = diag_arg->protocol; |
82d73ea0 DA |
2718 | |
2719 | if (diag_arg->f->f && run_ssfilter(diag_arg->f->f, &s) == 0) | |
2720 | return 0; | |
2721 | ||
41fe6c34 | 2722 | if (diag_arg->f->kill && kill_inet_sock(h, arg, &s) != 0) { |
fb2594c1 LC |
2723 | if (errno == EOPNOTSUPP || errno == ENOENT) { |
2724 | /* Socket can't be closed, or is already closed. */ | |
2725 | return 0; | |
2726 | } else { | |
2727 | perror("SOCK_DESTROY answers"); | |
2728 | return -1; | |
2729 | } | |
2730 | } | |
82d73ea0 | 2731 | |
be7e4d20 | 2732 | err = inet_show_sock(h, &s); |
82d73ea0 | 2733 | if (err < 0) |
486ccd99 | 2734 | return err; |
aba5acdf | 2735 | |
486ccd99 VK |
2736 | return 0; |
2737 | } | |
886d19d6 | 2738 | |
486ccd99 VK |
2739 | static int inet_show_netlink(struct filter *f, FILE *dump_fp, int protocol) |
2740 | { | |
2741 | int err = 0; | |
fb2594c1 | 2742 | struct rtnl_handle rth, rth2; |
486ccd99 VK |
2743 | int family = PF_INET; |
2744 | struct inet_diag_arg arg = { .f = f, .protocol = protocol }; | |
886d19d6 | 2745 | |
486ccd99 VK |
2746 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
2747 | return -1; | |
fb2594c1 LC |
2748 | |
2749 | if (f->kill) { | |
2750 | if (rtnl_open_byproto(&rth2, 0, NETLINK_SOCK_DIAG)) { | |
2751 | rtnl_close(&rth); | |
2752 | return -1; | |
2753 | } | |
2754 | arg.rth = &rth2; | |
2755 | } | |
2756 | ||
486ccd99 VK |
2757 | rth.dump = MAGIC_SEQ; |
2758 | rth.dump_fp = dump_fp; | |
518af1e0 ED |
2759 | if (preferred_family == PF_INET6) |
2760 | family = PF_INET6; | |
886d19d6 | 2761 | |
486ccd99 VK |
2762 | again: |
2763 | if ((err = sockdiag_send(family, rth.fd, protocol, f))) | |
2764 | goto Exit; | |
aba5acdf | 2765 | |
486ccd99 VK |
2766 | if ((err = rtnl_dump_filter(&rth, show_one_inet_sock, &arg))) { |
2767 | if (family != PF_UNSPEC) { | |
2768 | family = PF_UNSPEC; | |
2769 | goto again; | |
aba5acdf | 2770 | } |
486ccd99 | 2771 | goto Exit; |
aba5acdf | 2772 | } |
518af1e0 | 2773 | if (family == PF_INET && preferred_family != PF_INET) { |
886d19d6 PE |
2774 | family = PF_INET6; |
2775 | goto again; | |
2776 | } | |
2777 | ||
486ccd99 VK |
2778 | Exit: |
2779 | rtnl_close(&rth); | |
fb2594c1 LC |
2780 | if (arg.rth) |
2781 | rtnl_close(arg.rth); | |
486ccd99 | 2782 | return err; |
aba5acdf SH |
2783 | } |
2784 | ||
ab01dbbb | 2785 | static int tcp_show_netlink_file(struct filter *f) |
aba5acdf SH |
2786 | { |
2787 | FILE *fp; | |
e557212e | 2788 | char buf[16384]; |
4b45ae22 | 2789 | int err = -1; |
aba5acdf SH |
2790 | |
2791 | if ((fp = fopen(getenv("TCPDIAG_FILE"), "r")) == NULL) { | |
2792 | perror("fopen($TCPDIAG_FILE)"); | |
4b45ae22 | 2793 | return err; |
aba5acdf SH |
2794 | } |
2795 | ||
2796 | while (1) { | |
4b45ae22 | 2797 | int status, err2; |
acd1e437 | 2798 | struct nlmsghdr *h = (struct nlmsghdr *)buf; |
82d73ea0 | 2799 | struct sockstat s = {}; |
aba5acdf SH |
2800 | |
2801 | status = fread(buf, 1, sizeof(*h), fp); | |
2802 | if (status < 0) { | |
2803 | perror("Reading header from $TCPDIAG_FILE"); | |
4b45ae22 | 2804 | break; |
aba5acdf SH |
2805 | } |
2806 | if (status != sizeof(*h)) { | |
2807 | perror("Unexpected EOF reading $TCPDIAG_FILE"); | |
4b45ae22 | 2808 | break; |
aba5acdf SH |
2809 | } |
2810 | ||
2811 | status = fread(h+1, 1, NLMSG_ALIGN(h->nlmsg_len-sizeof(*h)), fp); | |
2812 | ||
2813 | if (status < 0) { | |
2814 | perror("Reading $TCPDIAG_FILE"); | |
4b45ae22 | 2815 | break; |
aba5acdf SH |
2816 | } |
2817 | if (status + sizeof(*h) < h->nlmsg_len) { | |
2818 | perror("Unexpected EOF reading $TCPDIAG_FILE"); | |
4b45ae22 | 2819 | break; |
aba5acdf SH |
2820 | } |
2821 | ||
2822 | /* The only legal exit point */ | |
4b45ae22 PS |
2823 | if (h->nlmsg_type == NLMSG_DONE) { |
2824 | err = 0; | |
2825 | break; | |
2826 | } | |
aba5acdf SH |
2827 | |
2828 | if (h->nlmsg_type == NLMSG_ERROR) { | |
acd1e437 SH |
2829 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h); |
2830 | ||
aba5acdf SH |
2831 | if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) { |
2832 | fprintf(stderr, "ERROR truncated\n"); | |
2833 | } else { | |
2834 | errno = -err->error; | |
2835 | perror("TCPDIAG answered"); | |
2836 | } | |
4b45ae22 | 2837 | break; |
aba5acdf SH |
2838 | } |
2839 | ||
82d73ea0 | 2840 | parse_diag_msg(h, &s); |
be7e4d20 | 2841 | s.type = IPPROTO_TCP; |
82d73ea0 DA |
2842 | |
2843 | if (f && f->f && run_ssfilter(f->f, &s) == 0) | |
2844 | continue; | |
2845 | ||
4b45ae22 PS |
2846 | err2 = inet_show_sock(h, &s); |
2847 | if (err2 < 0) { | |
2848 | err = err2; | |
2849 | break; | |
2850 | } | |
aba5acdf | 2851 | } |
4b45ae22 PS |
2852 | |
2853 | fclose(fp); | |
2854 | return err; | |
aba5acdf SH |
2855 | } |
2856 | ||
6c6bbc30 | 2857 | static int tcp_show(struct filter *f) |
aba5acdf | 2858 | { |
ab01dbbb | 2859 | FILE *fp = NULL; |
aba5acdf SH |
2860 | char *buf = NULL; |
2861 | int bufsize = 64*1024; | |
2862 | ||
1527a17e VK |
2863 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
2864 | return 0; | |
2865 | ||
aba5acdf SH |
2866 | dg_proto = TCP_PROTO; |
2867 | ||
2868 | if (getenv("TCPDIAG_FILE")) | |
2869 | return tcp_show_netlink_file(f); | |
2870 | ||
2871 | if (!getenv("PROC_NET_TCP") && !getenv("PROC_ROOT") | |
6c6bbc30 | 2872 | && inet_show_netlink(f, NULL, IPPROTO_TCP) == 0) |
aba5acdf SH |
2873 | return 0; |
2874 | ||
2875 | /* Sigh... We have to parse /proc/net/tcp... */ | |
2876 | ||
ab01dbbb | 2877 | |
aba5acdf SH |
2878 | /* Estimate amount of sockets and try to allocate |
2879 | * huge buffer to read all the table at one read. | |
2880 | * Limit it by 16MB though. The assumption is: as soon as | |
2881 | * kernel was able to hold information about N connections, | |
2882 | * it is able to give us some memory for snapshot. | |
2883 | */ | |
2884 | if (1) { | |
a221d621 BL |
2885 | get_slabstat(&slabstat); |
2886 | ||
aba5acdf | 2887 | int guess = slabstat.socks+slabstat.tcp_syns; |
acd1e437 | 2888 | |
aba5acdf SH |
2889 | if (f->states&(1<<SS_TIME_WAIT)) |
2890 | guess += slabstat.tcp_tws; | |
2891 | if (guess > (16*1024*1024)/128) | |
2892 | guess = (16*1024*1024)/128; | |
2893 | guess *= 128; | |
2894 | if (guess > bufsize) | |
2895 | bufsize = guess; | |
2896 | } | |
2897 | while (bufsize >= 64*1024) { | |
2898 | if ((buf = malloc(bufsize)) != NULL) | |
2899 | break; | |
2900 | bufsize /= 2; | |
2901 | } | |
2902 | if (buf == NULL) { | |
2903 | errno = ENOMEM; | |
2904 | return -1; | |
2905 | } | |
2906 | ||
b338a3e7 | 2907 | if (f->families & FAMILY_MASK(AF_INET)) { |
69cae645 | 2908 | if ((fp = net_tcp_open()) == NULL) |
aba5acdf | 2909 | goto outerr; |
ab01dbbb SH |
2910 | |
2911 | setbuffer(fp, buf, bufsize); | |
2912 | if (generic_record_read(fp, tcp_show_line, f, AF_INET)) | |
aba5acdf | 2913 | goto outerr; |
ab01dbbb | 2914 | fclose(fp); |
aba5acdf SH |
2915 | } |
2916 | ||
b338a3e7 | 2917 | if ((f->families & FAMILY_MASK(AF_INET6)) && |
69cae645 | 2918 | (fp = net_tcp6_open()) != NULL) { |
ab01dbbb SH |
2919 | setbuffer(fp, buf, bufsize); |
2920 | if (generic_record_read(fp, tcp_show_line, f, AF_INET6)) | |
aba5acdf | 2921 | goto outerr; |
ab01dbbb | 2922 | fclose(fp); |
aba5acdf SH |
2923 | } |
2924 | ||
2925 | free(buf); | |
2926 | return 0; | |
2927 | ||
2928 | outerr: | |
2929 | do { | |
2930 | int saved_errno = errno; | |
acd1e437 | 2931 | |
92de1c2c | 2932 | free(buf); |
ab01dbbb SH |
2933 | if (fp) |
2934 | fclose(fp); | |
aba5acdf SH |
2935 | errno = saved_errno; |
2936 | return -1; | |
2937 | } while (0); | |
2938 | } | |
2939 | ||
6c6bbc30 PS |
2940 | static int dccp_show(struct filter *f) |
2941 | { | |
2942 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) | |
2943 | return 0; | |
2944 | ||
2945 | if (!getenv("PROC_NET_DCCP") && !getenv("PROC_ROOT") | |
2946 | && inet_show_netlink(f, NULL, IPPROTO_DCCP) == 0) | |
2947 | return 0; | |
2948 | ||
2949 | return 0; | |
2950 | } | |
2951 | ||
f89d46ad PS |
2952 | static int sctp_show(struct filter *f) |
2953 | { | |
2954 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) | |
2955 | return 0; | |
2956 | ||
2957 | if (!getenv("PROC_NET_SCTP") && !getenv("PROC_ROOT") | |
2958 | && inet_show_netlink(f, NULL, IPPROTO_SCTP) == 0) | |
2959 | return 0; | |
2960 | ||
2961 | return 0; | |
2962 | } | |
aba5acdf | 2963 | |
d1f28cf1 | 2964 | static int dgram_show_line(char *line, const struct filter *f, int family) |
aba5acdf | 2965 | { |
055840f2 | 2966 | struct sockstat s = {}; |
aba5acdf SH |
2967 | char *loc, *rem, *data; |
2968 | char opt[256]; | |
2969 | int n; | |
aba5acdf | 2970 | |
8250bc9f | 2971 | if (proc_inet_split_line(line, &loc, &rem, &data)) |
aba5acdf | 2972 | return -1; |
aba5acdf | 2973 | |
8250bc9f | 2974 | int state = (data[1] >= 'A') ? (data[1] - 'A' + 10) : (data[1] - '0'); |
acd1e437 | 2975 | |
8250bc9f VK |
2976 | if (!(f->states & (1 << state))) |
2977 | return 0; | |
aba5acdf | 2978 | |
8250bc9f | 2979 | proc_parse_inet_addr(loc, rem, family, &s); |
aba5acdf SH |
2980 | |
2981 | if (f->f && run_ssfilter(f->f, &s) == 0) | |
2982 | return 0; | |
2983 | ||
2984 | opt[0] = 0; | |
e7113c61 | 2985 | n = sscanf(data, "%x %x:%x %*x:%*x %*x %d %*d %u %d %llx %[^\n]\n", |
aba5acdf SH |
2986 | &s.state, &s.wq, &s.rq, |
2987 | &s.uid, &s.ino, | |
2988 | &s.refcnt, &s.sk, opt); | |
2989 | ||
2990 | if (n < 9) | |
2991 | opt[0] = 0; | |
2992 | ||
be7e4d20 | 2993 | s.type = dg_proto == UDP_PROTO ? IPPROTO_UDP : 0; |
1267c0b9 | 2994 | inet_stats_print(&s, false); |
aba5acdf | 2995 | |
f1b39e1b VK |
2996 | if (show_details && opt[0]) |
2997 | printf(" opt:\"%s\"", opt); | |
aba5acdf | 2998 | |
8250bc9f | 2999 | printf("\n"); |
aba5acdf SH |
3000 | return 0; |
3001 | } | |
3002 | ||
d1f28cf1 | 3003 | static int udp_show(struct filter *f) |
aba5acdf | 3004 | { |
ab01dbbb | 3005 | FILE *fp = NULL; |
aba5acdf | 3006 | |
1527a17e VK |
3007 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
3008 | return 0; | |
3009 | ||
ace5cb31 VK |
3010 | dg_proto = UDP_PROTO; |
3011 | ||
346f8ca8 PE |
3012 | if (!getenv("PROC_NET_UDP") && !getenv("PROC_ROOT") |
3013 | && inet_show_netlink(f, NULL, IPPROTO_UDP) == 0) | |
3014 | return 0; | |
3015 | ||
b338a3e7 | 3016 | if (f->families&FAMILY_MASK(AF_INET)) { |
69cae645 | 3017 | if ((fp = net_udp_open()) == NULL) |
aba5acdf | 3018 | goto outerr; |
ab01dbbb | 3019 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
aba5acdf | 3020 | goto outerr; |
ab01dbbb | 3021 | fclose(fp); |
aba5acdf SH |
3022 | } |
3023 | ||
b338a3e7 | 3024 | if ((f->families&FAMILY_MASK(AF_INET6)) && |
69cae645 | 3025 | (fp = net_udp6_open()) != NULL) { |
ab01dbbb | 3026 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
aba5acdf | 3027 | goto outerr; |
ab01dbbb | 3028 | fclose(fp); |
aba5acdf SH |
3029 | } |
3030 | return 0; | |
3031 | ||
3032 | outerr: | |
3033 | do { | |
3034 | int saved_errno = errno; | |
acd1e437 | 3035 | |
ab01dbbb SH |
3036 | if (fp) |
3037 | fclose(fp); | |
aba5acdf SH |
3038 | errno = saved_errno; |
3039 | return -1; | |
3040 | } while (0); | |
3041 | } | |
3042 | ||
d1f28cf1 | 3043 | static int raw_show(struct filter *f) |
aba5acdf | 3044 | { |
ab01dbbb | 3045 | FILE *fp = NULL; |
aba5acdf | 3046 | |
1527a17e VK |
3047 | if (!filter_af_get(f, AF_INET) && !filter_af_get(f, AF_INET6)) |
3048 | return 0; | |
3049 | ||
aba5acdf SH |
3050 | dg_proto = RAW_PROTO; |
3051 | ||
41fe6c34 CG |
3052 | if (!getenv("PROC_NET_RAW") && !getenv("PROC_ROOT") && |
3053 | inet_show_netlink(f, NULL, IPPROTO_RAW) == 0) | |
3054 | return 0; | |
3055 | ||
b338a3e7 | 3056 | if (f->families&FAMILY_MASK(AF_INET)) { |
69cae645 | 3057 | if ((fp = net_raw_open()) == NULL) |
aba5acdf | 3058 | goto outerr; |
ab01dbbb | 3059 | if (generic_record_read(fp, dgram_show_line, f, AF_INET)) |
aba5acdf | 3060 | goto outerr; |
ab01dbbb | 3061 | fclose(fp); |
aba5acdf SH |
3062 | } |
3063 | ||
b338a3e7 | 3064 | if ((f->families&FAMILY_MASK(AF_INET6)) && |
69cae645 | 3065 | (fp = net_raw6_open()) != NULL) { |
ab01dbbb | 3066 | if (generic_record_read(fp, dgram_show_line, f, AF_INET6)) |
aba5acdf | 3067 | goto outerr; |
ab01dbbb | 3068 | fclose(fp); |
aba5acdf SH |
3069 | } |
3070 | return 0; | |
3071 | ||
3072 | outerr: | |
3073 | do { | |
3074 | int saved_errno = errno; | |
acd1e437 | 3075 | |
ab01dbbb SH |
3076 | if (fp) |
3077 | fclose(fp); | |
aba5acdf SH |
3078 | errno = saved_errno; |
3079 | return -1; | |
3080 | } while (0); | |
3081 | } | |
3082 | ||
ec4d0d8a | 3083 | #define MAX_UNIX_REMEMBER (1024*1024/sizeof(struct sockstat)) |
aba5acdf | 3084 | |
2d0e538f | 3085 | static void unix_list_drop_first(struct sockstat **list) |
aba5acdf | 3086 | { |
2d0e538f | 3087 | struct sockstat *s = *list; |
ec4d0d8a | 3088 | |
2d0e538f PS |
3089 | (*list) = (*list)->next; |
3090 | free(s->name); | |
3091 | free(s); | |
aba5acdf SH |
3092 | } |
3093 | ||
ec4d0d8a | 3094 | static bool unix_type_skip(struct sockstat *s, struct filter *f) |
bf4ceee6 VK |
3095 | { |
3096 | if (s->type == SOCK_STREAM && !(f->dbs&(1<<UNIX_ST_DB))) | |
3097 | return true; | |
3098 | if (s->type == SOCK_DGRAM && !(f->dbs&(1<<UNIX_DG_DB))) | |
3099 | return true; | |
3100 | if (s->type == SOCK_SEQPACKET && !(f->dbs&(1<<UNIX_SQ_DB))) | |
3101 | return true; | |
3102 | return false; | |
3103 | } | |
3104 | ||
2d0e538f | 3105 | static void unix_stats_print(struct sockstat *s, struct filter *f) |
aba5acdf | 3106 | { |
b217df10 | 3107 | char port_name[30] = {}; |
aba5acdf | 3108 | |
2d0e538f | 3109 | sock_state_print(s); |
2d791bc8 | 3110 | |
2d0e538f PS |
3111 | sock_addr_print(s->name ?: "*", " ", |
3112 | int_to_str(s->lport, port_name), NULL); | |
3113 | sock_addr_print(s->peer_name ?: "*", " ", | |
3114 | int_to_str(s->rport, port_name), NULL); | |
116ac927 | 3115 | |
2d0e538f | 3116 | proc_ctx_print(s); |
aba5acdf SH |
3117 | } |
3118 | ||
8a4025f6 | 3119 | static int unix_show_sock(const struct sockaddr_nl *addr, struct nlmsghdr *nlh, |
3120 | void *arg) | |
dfbaa90d | 3121 | { |
8a4025f6 | 3122 | struct filter *f = (struct filter *)arg; |
dfbaa90d PE |
3123 | struct unix_diag_msg *r = NLMSG_DATA(nlh); |
3124 | struct rtattr *tb[UNIX_DIAG_MAX+1]; | |
99bb68ff VK |
3125 | char name[128]; |
3126 | struct sockstat stat = { .name = "*", .peer_name = "*" }; | |
dfbaa90d | 3127 | |
acd1e437 | 3128 | parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr *)(r+1), |
dfbaa90d PE |
3129 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3130 | ||
bf4ceee6 VK |
3131 | stat.type = r->udiag_type; |
3132 | stat.state = r->udiag_state; | |
ec4d0d8a VK |
3133 | stat.ino = stat.lport = r->udiag_ino; |
3134 | stat.local.family = stat.remote.family = AF_UNIX; | |
0d2e01c5 | 3135 | |
bf4ceee6 VK |
3136 | if (unix_type_skip(&stat, f)) |
3137 | return 0; | |
dfbaa90d | 3138 | |
defd61ca HFS |
3139 | if (tb[UNIX_DIAG_RQLEN]) { |
3140 | struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]); | |
acd1e437 | 3141 | |
bf4ceee6 VK |
3142 | stat.rq = rql->udiag_rqueue; |
3143 | stat.wq = rql->udiag_wqueue; | |
defd61ca | 3144 | } |
dfbaa90d PE |
3145 | if (tb[UNIX_DIAG_NAME]) { |
3146 | int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]); | |
3147 | ||
3148 | memcpy(name, RTA_DATA(tb[UNIX_DIAG_NAME]), len); | |
3149 | name[len] = '\0'; | |
1dd0cca7 SH |
3150 | if (name[0] == '\0') { |
3151 | int i; | |
3152 | for (i = 0; i < len; i++) | |
878dadc7 IB |
3153 | if (name[i] == '\0') |
3154 | name[i] = '@'; | |
1dd0cca7 | 3155 | } |
99bb68ff VK |
3156 | stat.name = &name[0]; |
3157 | memcpy(stat.local.data, &stat.name, sizeof(stat.name)); | |
bf4ceee6 | 3158 | } |
dfbaa90d | 3159 | if (tb[UNIX_DIAG_PEER]) |
ec4d0d8a | 3160 | stat.rport = rta_getattr_u32(tb[UNIX_DIAG_PEER]); |
dfbaa90d | 3161 | |
29999b0f VK |
3162 | if (f->f && run_ssfilter(f->f, &stat) == 0) |
3163 | return 0; | |
3164 | ||
bf4ceee6 | 3165 | unix_stats_print(&stat, f); |
dfbaa90d | 3166 | |
45199997 | 3167 | if (show_mem) |
51ff9f24 | 3168 | print_skmeminfo(tb, UNIX_DIAG_MEMINFO); |
5b816047 PE |
3169 | if (show_details) { |
3170 | if (tb[UNIX_DIAG_SHUTDOWN]) { | |
3171 | unsigned char mask; | |
acd1e437 | 3172 | |
9f1370c0 | 3173 | mask = rta_getattr_u8(tb[UNIX_DIAG_SHUTDOWN]); |
5b816047 PE |
3174 | printf(" %c-%c", mask & 1 ? '-' : '<', mask & 2 ? '-' : '>'); |
3175 | } | |
3176 | } | |
2d0e538f | 3177 | printf("\n"); |
ec4d0d8a | 3178 | |
dfbaa90d PE |
3179 | return 0; |
3180 | } | |
3181 | ||
8a4025f6 | 3182 | static int handle_netlink_request(struct filter *f, struct nlmsghdr *req, |
3183 | size_t size, rtnl_filter_t show_one_sock) | |
dfbaa90d | 3184 | { |
8a4025f6 | 3185 | int ret = -1; |
3186 | struct rtnl_handle rth; | |
dfbaa90d | 3187 | |
8a4025f6 | 3188 | if (rtnl_open_byproto(&rth, 0, NETLINK_SOCK_DIAG)) |
dfbaa90d PE |
3189 | return -1; |
3190 | ||
8a4025f6 | 3191 | rth.dump = MAGIC_SEQ; |
dfbaa90d | 3192 | |
8a4025f6 | 3193 | if (rtnl_send(&rth, req, size) < 0) |
3194 | goto Exit; | |
dfbaa90d | 3195 | |
8a4025f6 | 3196 | if (rtnl_dump_filter(&rth, show_one_sock, f)) |
3197 | goto Exit; | |
dfbaa90d | 3198 | |
8a4025f6 | 3199 | ret = 0; |
3200 | Exit: | |
3201 | rtnl_close(&rth); | |
3202 | return ret; | |
dfbaa90d PE |
3203 | } |
3204 | ||
8a4025f6 | 3205 | static int unix_show_netlink(struct filter *f) |
d8402b96 | 3206 | { |
5fb421d4 | 3207 | DIAG_REQUEST(req, struct unix_diag_req r); |
d8402b96 AV |
3208 | |
3209 | req.r.sdiag_family = AF_UNIX; | |
3210 | req.r.udiag_states = f->states; | |
3211 | req.r.udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER | UDIAG_SHOW_RQLEN; | |
3212 | if (show_mem) | |
3213 | req.r.udiag_show |= UDIAG_SHOW_MEMINFO; | |
3214 | ||
8a4025f6 | 3215 | return handle_netlink_request(f, &req.nlh, sizeof(req), unix_show_sock); |
d8402b96 AV |
3216 | } |
3217 | ||
d1f28cf1 | 3218 | static int unix_show(struct filter *f) |
aba5acdf SH |
3219 | { |
3220 | FILE *fp; | |
3221 | char buf[256]; | |
3222 | char name[128]; | |
3223 | int newformat = 0; | |
3224 | int cnt; | |
ec4d0d8a | 3225 | struct sockstat *list = NULL; |
96d45daa PS |
3226 | const int unix_state_map[] = { SS_CLOSE, SS_SYN_SENT, |
3227 | SS_ESTABLISHED, SS_CLOSING }; | |
aba5acdf | 3228 | |
9db7bf15 VK |
3229 | if (!filter_af_get(f, AF_UNIX)) |
3230 | return 0; | |
3231 | ||
f25062e9 PS |
3232 | if (!getenv("PROC_NET_UNIX") && !getenv("PROC_ROOT") |
3233 | && unix_show_netlink(f) == 0) | |
dfbaa90d PE |
3234 | return 0; |
3235 | ||
ab01dbbb | 3236 | if ((fp = net_unix_open()) == NULL) |
aba5acdf | 3237 | return -1; |
61170fd8 | 3238 | if (!fgets(buf, sizeof(buf), fp)) { |
d572ed4d PS |
3239 | fclose(fp); |
3240 | return -1; | |
3241 | } | |
aba5acdf | 3242 | |
ae665a52 | 3243 | if (memcmp(buf, "Peer", 4) == 0) |
aba5acdf SH |
3244 | newformat = 1; |
3245 | cnt = 0; | |
3246 | ||
61170fd8 | 3247 | while (fgets(buf, sizeof(buf), fp)) { |
ec4d0d8a | 3248 | struct sockstat *u, **insp; |
aba5acdf SH |
3249 | int flags; |
3250 | ||
0ee9052f | 3251 | if (!(u = calloc(1, sizeof(*u)))) |
aba5acdf | 3252 | break; |
aba5acdf SH |
3253 | |
3254 | if (sscanf(buf, "%x: %x %x %x %x %x %d %s", | |
ec4d0d8a | 3255 | &u->rport, &u->rq, &u->wq, &flags, &u->type, |
aba5acdf SH |
3256 | &u->state, &u->ino, name) < 8) |
3257 | name[0] = 0; | |
3258 | ||
ec4d0d8a VK |
3259 | u->lport = u->ino; |
3260 | u->local.family = u->remote.family = AF_UNIX; | |
3261 | ||
3262 | if (flags & (1 << 16)) { | |
aba5acdf | 3263 | u->state = SS_LISTEN; |
0aa03350 PS |
3264 | } else if (u->state > 0 && |
3265 | u->state <= ARRAY_SIZE(unix_state_map)) { | |
aba5acdf | 3266 | u->state = unix_state_map[u->state-1]; |
ec4d0d8a | 3267 | if (u->type == SOCK_DGRAM && u->state == SS_CLOSE && u->rport) |
aba5acdf SH |
3268 | u->state = SS_ESTABLISHED; |
3269 | } | |
2d0e538f PS |
3270 | if (unix_type_skip(u, f) || |
3271 | !(f->states & (1 << u->state))) { | |
3272 | free(u); | |
3273 | continue; | |
3274 | } | |
aba5acdf SH |
3275 | |
3276 | if (!newformat) { | |
ec4d0d8a | 3277 | u->rport = 0; |
aba5acdf SH |
3278 | u->rq = 0; |
3279 | u->wq = 0; | |
3280 | } | |
3281 | ||
2d0e538f PS |
3282 | if (name[0]) { |
3283 | u->name = strdup(name); | |
46131577 PS |
3284 | if (!u->name) { |
3285 | free(u); | |
2d0e538f | 3286 | break; |
46131577 | 3287 | } |
2d0e538f PS |
3288 | } |
3289 | ||
3290 | if (u->rport) { | |
3291 | struct sockstat *p; | |
3292 | ||
3293 | for (p = list; p; p = p->next) { | |
3294 | if (u->rport == p->lport) | |
3295 | break; | |
3296 | } | |
3297 | if (!p) | |
3298 | u->peer_name = "?"; | |
3299 | else | |
3300 | u->peer_name = p->name ? : "*"; | |
3301 | } | |
3302 | ||
3303 | if (f->f) { | |
3304 | struct sockstat st = { | |
3305 | .local.family = AF_UNIX, | |
3306 | .remote.family = AF_UNIX, | |
3307 | }; | |
3308 | ||
3309 | memcpy(st.local.data, &u->name, sizeof(u->name)); | |
3310 | if (strcmp(u->peer_name, "*")) | |
3311 | memcpy(st.remote.data, &u->peer_name, | |
3312 | sizeof(u->peer_name)); | |
3313 | if (run_ssfilter(f->f, &st) == 0) { | |
3314 | free(u->name); | |
3315 | free(u); | |
3316 | continue; | |
3317 | } | |
3318 | } | |
3319 | ||
aba5acdf SH |
3320 | insp = &list; |
3321 | while (*insp) { | |
3322 | if (u->type < (*insp)->type || | |
3323 | (u->type == (*insp)->type && | |
3324 | u->ino < (*insp)->ino)) | |
3325 | break; | |
3326 | insp = &(*insp)->next; | |
3327 | } | |
3328 | u->next = *insp; | |
3329 | *insp = u; | |
3330 | ||
aba5acdf | 3331 | if (++cnt > MAX_UNIX_REMEMBER) { |
2d0e538f PS |
3332 | while (list) { |
3333 | unix_stats_print(list, f); | |
3334 | printf("\n"); | |
3335 | ||
3336 | unix_list_drop_first(&list); | |
3337 | } | |
aba5acdf SH |
3338 | cnt = 0; |
3339 | } | |
3340 | } | |
a3fd8e58 | 3341 | fclose(fp); |
2d0e538f | 3342 | while (list) { |
bf4ceee6 | 3343 | unix_stats_print(list, f); |
2d0e538f PS |
3344 | printf("\n"); |
3345 | ||
3346 | unix_list_drop_first(&list); | |
aba5acdf SH |
3347 | } |
3348 | ||
3349 | return 0; | |
3350 | } | |
3351 | ||
89f634f9 | 3352 | static int packet_stats_print(struct sockstat *s, const struct filter *f) |
4a0053b6 | 3353 | { |
b217df10 VK |
3354 | const char *addr, *port; |
3355 | char ll_name[16]; | |
372c30d2 | 3356 | |
be7e4d20 PS |
3357 | s->local.family = s->remote.family = AF_PACKET; |
3358 | ||
4a0053b6 | 3359 | if (f->f) { |
89f634f9 | 3360 | s->local.data[0] = s->prot; |
89f634f9 | 3361 | if (run_ssfilter(f->f, s) == 0) |
4a0053b6 VK |
3362 | return 1; |
3363 | } | |
372c30d2 | 3364 | |
be7e4d20 | 3365 | sock_state_print(s); |
372c30d2 | 3366 | |
b217df10 VK |
3367 | if (s->prot == 3) |
3368 | addr = "*"; | |
3369 | else | |
3370 | addr = ll_proto_n2a(htons(s->prot), ll_name, sizeof(ll_name)); | |
3371 | ||
3372 | if (s->iface == 0) | |
3373 | port = "*"; | |
3374 | else | |
3375 | port = xll_index_to_name(s->iface); | |
372c30d2 | 3376 | |
b217df10 VK |
3377 | sock_addr_print(addr, ":", port, NULL); |
3378 | sock_addr_print("", "*", "", NULL); | |
116ac927 | 3379 | |
5f27ac1d | 3380 | proc_ctx_print(s); |
116ac927 | 3381 | |
f1b39e1b VK |
3382 | if (show_details) |
3383 | sock_details_print(s); | |
3384 | ||
4a0053b6 VK |
3385 | return 0; |
3386 | } | |
3387 | ||
2631b856 VK |
3388 | static void packet_show_ring(struct packet_diag_ring *ring) |
3389 | { | |
3390 | printf("blk_size:%d", ring->pdr_block_size); | |
3391 | printf(",blk_nr:%d", ring->pdr_block_nr); | |
3392 | printf(",frm_size:%d", ring->pdr_frame_size); | |
3393 | printf(",frm_nr:%d", ring->pdr_frame_nr); | |
3394 | printf(",tmo:%d", ring->pdr_retire_tmo); | |
3395 | printf(",features:0x%x", ring->pdr_features); | |
3396 | } | |
3397 | ||
4a0053b6 VK |
3398 | static int packet_show_sock(const struct sockaddr_nl *addr, |
3399 | struct nlmsghdr *nlh, void *arg) | |
3400 | { | |
3401 | const struct filter *f = arg; | |
3402 | struct packet_diag_msg *r = NLMSG_DATA(nlh); | |
2631b856 VK |
3403 | struct packet_diag_info *pinfo = NULL; |
3404 | struct packet_diag_ring *ring_rx = NULL, *ring_tx = NULL; | |
4a0053b6 | 3405 | struct rtattr *tb[PACKET_DIAG_MAX+1]; |
89f634f9 | 3406 | struct sockstat stat = {}; |
2631b856 VK |
3407 | uint32_t fanout = 0; |
3408 | bool has_fanout = false; | |
4a0053b6 | 3409 | |
acd1e437 | 3410 | parse_rtattr(tb, PACKET_DIAG_MAX, (struct rtattr *)(r+1), |
4a0053b6 VK |
3411 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3412 | ||
3413 | /* use /proc/net/packet if all info are not available */ | |
3414 | if (!tb[PACKET_DIAG_MEMINFO]) | |
3415 | return -1; | |
3416 | ||
2d791bc8 VK |
3417 | stat.type = r->pdiag_type; |
3418 | stat.prot = r->pdiag_num; | |
3419 | stat.ino = r->pdiag_ino; | |
3420 | stat.state = SS_CLOSE; | |
f1b39e1b | 3421 | stat.sk = cookie_sk_get(&r->pdiag_cookie[0]); |
4a0053b6 VK |
3422 | |
3423 | if (tb[PACKET_DIAG_MEMINFO]) { | |
3424 | __u32 *skmeminfo = RTA_DATA(tb[PACKET_DIAG_MEMINFO]); | |
acd1e437 | 3425 | |
4a0053b6 VK |
3426 | stat.rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; |
3427 | } | |
3428 | ||
3429 | if (tb[PACKET_DIAG_INFO]) { | |
2631b856 | 3430 | pinfo = RTA_DATA(tb[PACKET_DIAG_INFO]); |
2d791bc8 | 3431 | stat.lport = stat.iface = pinfo->pdi_index; |
4a0053b6 VK |
3432 | } |
3433 | ||
f1b39e1b | 3434 | if (tb[PACKET_DIAG_UID]) |
9f1370c0 | 3435 | stat.uid = rta_getattr_u32(tb[PACKET_DIAG_UID]); |
f1b39e1b | 3436 | |
2631b856 VK |
3437 | if (tb[PACKET_DIAG_RX_RING]) |
3438 | ring_rx = RTA_DATA(tb[PACKET_DIAG_RX_RING]); | |
3439 | ||
3440 | if (tb[PACKET_DIAG_TX_RING]) | |
3441 | ring_tx = RTA_DATA(tb[PACKET_DIAG_TX_RING]); | |
3442 | ||
3443 | if (tb[PACKET_DIAG_FANOUT]) { | |
3444 | has_fanout = true; | |
9f1370c0 | 3445 | fanout = rta_getattr_u32(tb[PACKET_DIAG_FANOUT]); |
2631b856 VK |
3446 | } |
3447 | ||
4a0053b6 VK |
3448 | if (packet_stats_print(&stat, f)) |
3449 | return 0; | |
3450 | ||
2631b856 VK |
3451 | if (show_details) { |
3452 | if (pinfo) { | |
3453 | printf("\n\tver:%d", pinfo->pdi_version); | |
3454 | printf(" cpy_thresh:%d", pinfo->pdi_copy_thresh); | |
3455 | printf(" flags( "); | |
3456 | if (pinfo->pdi_flags & PDI_RUNNING) | |
3457 | printf("running"); | |
3458 | if (pinfo->pdi_flags & PDI_AUXDATA) | |
3459 | printf(" auxdata"); | |
3460 | if (pinfo->pdi_flags & PDI_ORIGDEV) | |
3461 | printf(" origdev"); | |
3462 | if (pinfo->pdi_flags & PDI_VNETHDR) | |
3463 | printf(" vnethdr"); | |
3464 | if (pinfo->pdi_flags & PDI_LOSS) | |
3465 | printf(" loss"); | |
3466 | if (!pinfo->pdi_flags) | |
3467 | printf("0"); | |
3468 | printf(" )"); | |
3469 | } | |
3470 | if (ring_rx) { | |
3471 | printf("\n\tring_rx("); | |
3472 | packet_show_ring(ring_rx); | |
3473 | printf(")"); | |
3474 | } | |
3475 | if (ring_tx) { | |
3476 | printf("\n\tring_tx("); | |
3477 | packet_show_ring(ring_tx); | |
3478 | printf(")"); | |
3479 | } | |
3480 | if (has_fanout) { | |
3481 | uint16_t type = (fanout >> 16) & 0xffff; | |
3482 | ||
3483 | printf("\n\tfanout("); | |
3484 | printf("id:%d,", fanout & 0xffff); | |
3485 | printf("type:"); | |
3486 | ||
3487 | if (type == 0) | |
3488 | printf("hash"); | |
3489 | else if (type == 1) | |
3490 | printf("lb"); | |
3491 | else if (type == 2) | |
3492 | printf("cpu"); | |
3493 | else if (type == 3) | |
3494 | printf("roll"); | |
3495 | else if (type == 4) | |
3496 | printf("random"); | |
3497 | else if (type == 5) | |
3498 | printf("qm"); | |
3499 | else | |
3500 | printf("0x%x", type); | |
3501 | ||
3502 | printf(")"); | |
3503 | } | |
3504 | } | |
3505 | ||
372c30d2 ND |
3506 | if (show_bpf && tb[PACKET_DIAG_FILTER]) { |
3507 | struct sock_filter *fil = | |
3508 | RTA_DATA(tb[PACKET_DIAG_FILTER]); | |
3509 | int num = RTA_PAYLOAD(tb[PACKET_DIAG_FILTER]) / | |
3510 | sizeof(struct sock_filter); | |
3511 | ||
3512 | printf("\n\tbpf filter (%d): ", num); | |
3513 | while (num) { | |
3514 | printf(" 0x%02x %u %u %u,", | |
3515 | fil->code, fil->jt, fil->jf, fil->k); | |
3516 | num--; | |
3517 | fil++; | |
3518 | } | |
3519 | } | |
3520 | printf("\n"); | |
3521 | return 0; | |
3522 | } | |
3523 | ||
8a4025f6 | 3524 | static int packet_show_netlink(struct filter *f) |
372c30d2 | 3525 | { |
5fb421d4 | 3526 | DIAG_REQUEST(req, struct packet_diag_req r); |
372c30d2 | 3527 | |
372c30d2 | 3528 | req.r.sdiag_family = AF_PACKET; |
2631b856 VK |
3529 | req.r.pdiag_show = PACKET_SHOW_INFO | PACKET_SHOW_MEMINFO | |
3530 | PACKET_SHOW_FILTER | PACKET_SHOW_RING_CFG | PACKET_SHOW_FANOUT; | |
372c30d2 | 3531 | |
8a4025f6 | 3532 | return handle_netlink_request(f, &req.nlh, sizeof(req), packet_show_sock); |
372c30d2 ND |
3533 | } |
3534 | ||
4a0053b6 VK |
3535 | static int packet_show_line(char *buf, const struct filter *f, int fam) |
3536 | { | |
3537 | unsigned long long sk; | |
89f634f9 | 3538 | struct sockstat stat = {}; |
4a0053b6 VK |
3539 | int type, prot, iface, state, rq, uid, ino; |
3540 | ||
3541 | sscanf(buf, "%llx %*d %d %x %d %d %u %u %u", | |
3542 | &sk, | |
3543 | &type, &prot, &iface, &state, | |
3544 | &rq, &uid, &ino); | |
3545 | ||
3546 | if (stat.type == SOCK_RAW && !(f->dbs&(1<<PACKET_R_DB))) | |
3547 | return 0; | |
3548 | if (stat.type == SOCK_DGRAM && !(f->dbs&(1<<PACKET_DG_DB))) | |
3549 | return 0; | |
3550 | ||
3551 | stat.type = type; | |
3552 | stat.prot = prot; | |
2d791bc8 | 3553 | stat.lport = stat.iface = iface; |
4a0053b6 VK |
3554 | stat.state = state; |
3555 | stat.rq = rq; | |
3556 | stat.uid = uid; | |
3557 | stat.ino = ino; | |
2d791bc8 VK |
3558 | stat.state = SS_CLOSE; |
3559 | ||
4a0053b6 VK |
3560 | if (packet_stats_print(&stat, f)) |
3561 | return 0; | |
3562 | ||
4a0053b6 VK |
3563 | printf("\n"); |
3564 | return 0; | |
3565 | } | |
aba5acdf | 3566 | |
d1f28cf1 | 3567 | static int packet_show(struct filter *f) |
aba5acdf SH |
3568 | { |
3569 | FILE *fp; | |
b95d28c3 | 3570 | int rc = 0; |
3d0b7439 | 3571 | |
9db7bf15 | 3572 | if (!filter_af_get(f, AF_PACKET) || !(f->states & (1 << SS_CLOSE))) |
b9ea445d | 3573 | return 0; |
aba5acdf | 3574 | |
4a0053b6 VK |
3575 | if (!getenv("PROC_NET_PACKET") && !getenv("PROC_ROOT") && |
3576 | packet_show_netlink(f) == 0) | |
372c30d2 ND |
3577 | return 0; |
3578 | ||
ab01dbbb | 3579 | if ((fp = net_packet_open()) == NULL) |
aba5acdf | 3580 | return -1; |
4a0053b6 | 3581 | if (generic_record_read(fp, packet_show_line, f, AF_PACKET)) |
b95d28c3 | 3582 | rc = -1; |
aba5acdf | 3583 | |
b95d28c3 PS |
3584 | fclose(fp); |
3585 | return rc; | |
aba5acdf SH |
3586 | } |
3587 | ||
5f24ec0e | 3588 | static int netlink_show_one(struct filter *f, |
acd1e437 SH |
3589 | int prot, int pid, unsigned int groups, |
3590 | int state, int dst_pid, unsigned int dst_group, | |
129709ae AV |
3591 | int rq, int wq, |
3592 | unsigned long long sk, unsigned long long cb) | |
3593 | { | |
301826be PS |
3594 | struct sockstat st = { |
3595 | .state = SS_CLOSE, | |
3596 | .rq = rq, | |
3597 | .wq = wq, | |
3598 | .local.family = AF_NETLINK, | |
3599 | .remote.family = AF_NETLINK, | |
3600 | }; | |
acd1e437 | 3601 | |
b217df10 VK |
3602 | SPRINT_BUF(prot_buf) = {}; |
3603 | const char *prot_name; | |
3604 | char procname[64] = {}; | |
eef43b50 | 3605 | |
129709ae | 3606 | if (f->f) { |
055840f2 VK |
3607 | st.rport = -1; |
3608 | st.lport = pid; | |
3609 | st.local.data[0] = prot; | |
055840f2 | 3610 | if (run_ssfilter(f->f, &st) == 0) |
5f24ec0e | 3611 | return 1; |
129709ae AV |
3612 | } |
3613 | ||
be7e4d20 | 3614 | sock_state_print(&st); |
eef43b50 | 3615 | |
b217df10 VK |
3616 | if (resolve_services) |
3617 | prot_name = nl_proto_n2a(prot, prot_buf, sizeof(prot_buf)); | |
3618 | else | |
3619 | prot_name = int_to_str(prot, prot_buf); | |
eef43b50 | 3620 | |
129709ae | 3621 | if (pid == -1) { |
b217df10 | 3622 | procname[0] = '*'; |
129709ae AV |
3623 | } else if (resolve_services) { |
3624 | int done = 0; | |
acd1e437 | 3625 | |
129709ae AV |
3626 | if (!pid) { |
3627 | done = 1; | |
b217df10 | 3628 | strncpy(procname, "kernel", 6); |
129709ae | 3629 | } else if (pid > 0) { |
129709ae | 3630 | FILE *fp; |
acd1e437 | 3631 | |
0ee9052f | 3632 | snprintf(procname, sizeof(procname), "%s/%d/stat", |
129709ae AV |
3633 | getenv("PROC_ROOT") ? : "/proc", pid); |
3634 | if ((fp = fopen(procname, "r")) != NULL) { | |
3635 | if (fscanf(fp, "%*d (%[^)])", procname) == 1) { | |
0ee9052f | 3636 | snprintf(procname+strlen(procname), |
3637 | sizeof(procname)-strlen(procname), | |
3638 | "/%d", pid); | |
129709ae AV |
3639 | done = 1; |
3640 | } | |
3641 | fclose(fp); | |
3642 | } | |
3643 | } | |
3644 | if (!done) | |
b217df10 | 3645 | int_to_str(pid, procname); |
129709ae | 3646 | } else { |
b217df10 | 3647 | int_to_str(pid, procname); |
129709ae | 3648 | } |
f271fe01 | 3649 | |
b217df10 VK |
3650 | sock_addr_print(prot_name, ":", procname, NULL); |
3651 | ||
f271fe01 | 3652 | if (state == NETLINK_CONNECTED) { |
b217df10 VK |
3653 | char dst_group_buf[30]; |
3654 | char dst_pid_buf[30]; | |
acd1e437 | 3655 | |
b217df10 VK |
3656 | sock_addr_print(int_to_str(dst_group, dst_group_buf), ":", |
3657 | int_to_str(dst_pid, dst_pid_buf), NULL); | |
f271fe01 | 3658 | } else { |
b217df10 | 3659 | sock_addr_print("", "*", "", NULL); |
f271fe01 | 3660 | } |
129709ae | 3661 | |
116ac927 | 3662 | char *pid_context = NULL; |
acd1e437 | 3663 | |
116ac927 RH |
3664 | if (show_proc_ctx) { |
3665 | /* The pid value will either be: | |
3666 | * 0 if destination kernel - show kernel initial context. | |
3667 | * A valid process pid - use getpidcon. | |
3668 | * A unique value allocated by the kernel or netlink user | |
3669 | * to the process - show context as "not available". | |
3670 | */ | |
3671 | if (!pid) | |
3672 | security_get_initial_context("kernel", &pid_context); | |
3673 | else if (pid > 0) | |
3674 | getpidcon(pid, &pid_context); | |
3675 | ||
22658ff5 SB |
3676 | printf(" proc_ctx=%s", pid_context ? : "unavailable"); |
3677 | free(pid_context); | |
116ac927 RH |
3678 | } |
3679 | ||
129709ae AV |
3680 | if (show_details) { |
3681 | printf(" sk=%llx cb=%llx groups=0x%08x", sk, cb, groups); | |
3682 | } | |
3683 | printf("\n"); | |
3684 | ||
5f24ec0e | 3685 | return 0; |
129709ae AV |
3686 | } |
3687 | ||
8a4025f6 | 3688 | static int netlink_show_sock(const struct sockaddr_nl *addr, |
3689 | struct nlmsghdr *nlh, void *arg) | |
ecb928c8 | 3690 | { |
8a4025f6 | 3691 | struct filter *f = (struct filter *)arg; |
ecb928c8 AV |
3692 | struct netlink_diag_msg *r = NLMSG_DATA(nlh); |
3693 | struct rtattr *tb[NETLINK_DIAG_MAX+1]; | |
3694 | int rq = 0, wq = 0; | |
3695 | unsigned long groups = 0; | |
3696 | ||
acd1e437 | 3697 | parse_rtattr(tb, NETLINK_DIAG_MAX, (struct rtattr *)(r+1), |
ecb928c8 AV |
3698 | nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
3699 | ||
3700 | if (tb[NETLINK_DIAG_GROUPS] && RTA_PAYLOAD(tb[NETLINK_DIAG_GROUPS])) | |
3701 | groups = *(unsigned long *) RTA_DATA(tb[NETLINK_DIAG_GROUPS]); | |
3702 | ||
3703 | if (tb[NETLINK_DIAG_MEMINFO]) { | |
3704 | const __u32 *skmeminfo; | |
acd1e437 | 3705 | |
ecb928c8 AV |
3706 | skmeminfo = RTA_DATA(tb[NETLINK_DIAG_MEMINFO]); |
3707 | ||
3708 | rq = skmeminfo[SK_MEMINFO_RMEM_ALLOC]; | |
3709 | wq = skmeminfo[SK_MEMINFO_WMEM_ALLOC]; | |
3710 | } | |
3711 | ||
5f24ec0e | 3712 | if (netlink_show_one(f, r->ndiag_protocol, r->ndiag_portid, groups, |
ecb928c8 | 3713 | r->ndiag_state, r->ndiag_dst_portid, r->ndiag_dst_group, |
5f24ec0e VK |
3714 | rq, wq, 0, 0)) { |
3715 | return 0; | |
3716 | } | |
ecb928c8 AV |
3717 | |
3718 | if (show_mem) { | |
3719 | printf("\t"); | |
3720 | print_skmeminfo(tb, NETLINK_DIAG_MEMINFO); | |
3721 | printf("\n"); | |
3722 | } | |
3723 | ||
3724 | return 0; | |
3725 | } | |
3726 | ||
8a4025f6 | 3727 | static int netlink_show_netlink(struct filter *f) |
ecb928c8 | 3728 | { |
5fb421d4 | 3729 | DIAG_REQUEST(req, struct netlink_diag_req r); |
ecb928c8 AV |
3730 | |
3731 | req.r.sdiag_family = AF_NETLINK; | |
3732 | req.r.sdiag_protocol = NDIAG_PROTO_ALL; | |
3733 | req.r.ndiag_show = NDIAG_SHOW_GROUPS | NDIAG_SHOW_MEMINFO; | |
3734 | ||
8a4025f6 | 3735 | return handle_netlink_request(f, &req.nlh, sizeof(req), netlink_show_sock); |
ecb928c8 AV |
3736 | } |
3737 | ||
d1f28cf1 | 3738 | static int netlink_show(struct filter *f) |
aba5acdf SH |
3739 | { |
3740 | FILE *fp; | |
3741 | char buf[256]; | |
3742 | int prot, pid; | |
acd1e437 | 3743 | unsigned int groups; |
aba5acdf SH |
3744 | int rq, wq, rc; |
3745 | unsigned long long sk, cb; | |
3746 | ||
9db7bf15 | 3747 | if (!filter_af_get(f, AF_NETLINK) || !(f->states & (1 << SS_CLOSE))) |
b9ea445d VK |
3748 | return 0; |
3749 | ||
129709ae | 3750 | if (!getenv("PROC_NET_NETLINK") && !getenv("PROC_ROOT") && |
8a4025f6 | 3751 | netlink_show_netlink(f) == 0) |
129709ae AV |
3752 | return 0; |
3753 | ||
ab01dbbb | 3754 | if ((fp = net_netlink_open()) == NULL) |
aba5acdf | 3755 | return -1; |
61170fd8 | 3756 | if (!fgets(buf, sizeof(buf), fp)) { |
d572ed4d PS |
3757 | fclose(fp); |
3758 | return -1; | |
3759 | } | |
aba5acdf | 3760 | |
61170fd8 | 3761 | while (fgets(buf, sizeof(buf), fp)) { |
aba5acdf SH |
3762 | sscanf(buf, "%llx %d %d %x %d %d %llx %d", |
3763 | &sk, | |
3764 | &prot, &pid, &groups, &rq, &wq, &cb, &rc); | |
3765 | ||
f271fe01 | 3766 | netlink_show_one(f, prot, pid, groups, 0, 0, 0, rq, wq, sk, cb); |
aba5acdf SH |
3767 | } |
3768 | ||
b95d28c3 | 3769 | fclose(fp); |
aba5acdf SH |
3770 | return 0; |
3771 | } | |
3772 | ||
c759116a SH |
3773 | static bool vsock_type_skip(struct sockstat *s, struct filter *f) |
3774 | { | |
3775 | if (s->type == SOCK_STREAM && !(f->dbs & (1 << VSOCK_ST_DB))) | |
3776 | return true; | |
3777 | if (s->type == SOCK_DGRAM && !(f->dbs & (1 << VSOCK_DG_DB))) | |
3778 | return true; | |
3779 | return false; | |
3780 | } | |
3781 | ||
3782 | static void vsock_addr_print(inet_prefix *a, __u32 port) | |
3783 | { | |
3784 | char cid_str[sizeof("4294967295")]; | |
3785 | char port_str[sizeof("4294967295")]; | |
3786 | __u32 cid; | |
3787 | ||
3788 | memcpy(&cid, a->data, sizeof(cid)); | |
3789 | ||
3790 | if (cid == ~(__u32)0) | |
3791 | snprintf(cid_str, sizeof(cid_str), "*"); | |
3792 | else | |
3793 | snprintf(cid_str, sizeof(cid_str), "%u", cid); | |
3794 | ||
3795 | if (port == ~(__u32)0) | |
3796 | snprintf(port_str, sizeof(port_str), "*"); | |
3797 | else | |
3798 | snprintf(port_str, sizeof(port_str), "%u", port); | |
3799 | ||
3800 | sock_addr_print(cid_str, ":", port_str, NULL); | |
3801 | } | |
3802 | ||
3803 | static void vsock_stats_print(struct sockstat *s, struct filter *f) | |
3804 | { | |
3805 | sock_state_print(s); | |
3806 | ||
3807 | vsock_addr_print(&s->local, s->lport); | |
3808 | vsock_addr_print(&s->remote, s->rport); | |
3809 | ||
3810 | proc_ctx_print(s); | |
3811 | ||
3812 | printf("\n"); | |
3813 | } | |
3814 | ||
3815 | static int vsock_show_sock(const struct sockaddr_nl *addr, | |
3816 | struct nlmsghdr *nlh, void *arg) | |
3817 | { | |
3818 | struct filter *f = (struct filter *)arg; | |
3819 | struct vsock_diag_msg *r = NLMSG_DATA(nlh); | |
3820 | struct sockstat stat = { | |
3821 | .type = r->vdiag_type, | |
3822 | .lport = r->vdiag_src_port, | |
3823 | .rport = r->vdiag_dst_port, | |
3824 | .state = r->vdiag_state, | |
3825 | .ino = r->vdiag_ino, | |
3826 | }; | |
3827 | ||
3828 | vsock_set_inet_prefix(&stat.local, r->vdiag_src_cid); | |
3829 | vsock_set_inet_prefix(&stat.remote, r->vdiag_dst_cid); | |
3830 | ||
3831 | if (vsock_type_skip(&stat, f)) | |
3832 | return 0; | |
3833 | ||
3834 | if (f->f && run_ssfilter(f->f, &stat) == 0) | |
3835 | return 0; | |
3836 | ||
3837 | vsock_stats_print(&stat, f); | |
3838 | ||
3839 | return 0; | |
3840 | } | |
3841 | ||
3842 | static int vsock_show(struct filter *f) | |
3843 | { | |
3844 | DIAG_REQUEST(req, struct vsock_diag_req r); | |
3845 | ||
3846 | if (!filter_af_get(f, AF_VSOCK)) | |
3847 | return 0; | |
3848 | ||
3849 | req.r.sdiag_family = AF_VSOCK; | |
3850 | req.r.vdiag_states = f->states; | |
3851 | ||
3852 | return handle_netlink_request(f, &req.nlh, sizeof(req), vsock_show_sock); | |
3853 | } | |
3854 | ||
6885e3bf CG |
3855 | struct sock_diag_msg { |
3856 | __u8 sdiag_family; | |
3857 | }; | |
3858 | ||
3859 | static int generic_show_sock(const struct sockaddr_nl *addr, | |
3860 | struct nlmsghdr *nlh, void *arg) | |
3861 | { | |
3862 | struct sock_diag_msg *r = NLMSG_DATA(nlh); | |
3863 | struct inet_diag_arg inet_arg = { .f = arg, .protocol = IPPROTO_MAX }; | |
3864 | ||
3865 | switch (r->sdiag_family) { | |
3866 | case AF_INET: | |
3867 | case AF_INET6: | |
3868 | return show_one_inet_sock(addr, nlh, &inet_arg); | |
3869 | case AF_UNIX: | |
3870 | return unix_show_sock(addr, nlh, arg); | |
3871 | case AF_PACKET: | |
3872 | return packet_show_sock(addr, nlh, arg); | |
3873 | case AF_NETLINK: | |
3874 | return netlink_show_sock(addr, nlh, arg); | |
c759116a SH |
3875 | case AF_VSOCK: |
3876 | return vsock_show_sock(addr, nlh, arg); | |
6885e3bf CG |
3877 | default: |
3878 | return -1; | |
3879 | } | |
3880 | } | |
3881 | ||
3882 | static int handle_follow_request(struct filter *f) | |
3883 | { | |
6b224dad | 3884 | int ret = 0; |
6885e3bf CG |
3885 | int groups = 0; |
3886 | struct rtnl_handle rth; | |
3887 | ||
b338a3e7 | 3888 | if (f->families & FAMILY_MASK(AF_INET) && f->dbs & (1 << TCP_DB)) |
6885e3bf | 3889 | groups |= 1 << (SKNLGRP_INET_TCP_DESTROY - 1); |
b338a3e7 | 3890 | if (f->families & FAMILY_MASK(AF_INET) && f->dbs & (1 << UDP_DB)) |
6885e3bf | 3891 | groups |= 1 << (SKNLGRP_INET_UDP_DESTROY - 1); |
b338a3e7 | 3892 | if (f->families & FAMILY_MASK(AF_INET6) && f->dbs & (1 << TCP_DB)) |
6885e3bf | 3893 | groups |= 1 << (SKNLGRP_INET6_TCP_DESTROY - 1); |
b338a3e7 | 3894 | if (f->families & FAMILY_MASK(AF_INET6) && f->dbs & (1 << UDP_DB)) |
6885e3bf CG |
3895 | groups |= 1 << (SKNLGRP_INET6_UDP_DESTROY - 1); |
3896 | ||
3897 | if (groups == 0) | |
3898 | return -1; | |
3899 | ||
3900 | if (rtnl_open_byproto(&rth, groups, NETLINK_SOCK_DIAG)) | |
3901 | return -1; | |
3902 | ||
3903 | rth.dump = 0; | |
3904 | rth.local.nl_pid = 0; | |
3905 | ||
3906 | if (rtnl_dump_filter(&rth, generic_show_sock, f)) | |
6b224dad | 3907 | ret = -1; |
6885e3bf | 3908 | |
6885e3bf CG |
3909 | rtnl_close(&rth); |
3910 | return ret; | |
3911 | } | |
3912 | ||
d1f28cf1 | 3913 | static int get_snmp_int(char *proto, char *key, int *result) |
aba5acdf SH |
3914 | { |
3915 | char buf[1024]; | |
3916 | FILE *fp; | |
3917 | int protolen = strlen(proto); | |
3918 | int keylen = strlen(key); | |
3919 | ||
3920 | *result = 0; | |
3921 | ||
ab01dbbb | 3922 | if ((fp = net_snmp_open()) == NULL) |
aba5acdf SH |
3923 | return -1; |
3924 | ||
3925 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
3926 | char *p = buf; | |
3927 | int pos = 0; | |
acd1e437 | 3928 | |
aba5acdf SH |
3929 | if (memcmp(buf, proto, protolen)) |
3930 | continue; | |
3931 | while ((p = strchr(p, ' ')) != NULL) { | |
3932 | pos++; | |
3933 | p++; | |
3934 | if (memcmp(p, key, keylen) == 0 && | |
3935 | (p[keylen] == ' ' || p[keylen] == '\n')) | |
3936 | break; | |
3937 | } | |
3938 | if (fgets(buf, sizeof(buf), fp) == NULL) | |
3939 | break; | |
3940 | if (memcmp(buf, proto, protolen)) | |
3941 | break; | |
3942 | p = buf; | |
3943 | while ((p = strchr(p, ' ')) != NULL) { | |
3944 | p++; | |
3945 | if (--pos == 0) { | |
3946 | sscanf(p, "%d", result); | |
3947 | fclose(fp); | |
3948 | return 0; | |
3949 | } | |
3950 | } | |
3951 | } | |
3952 | ||
3953 | fclose(fp); | |
3954 | errno = ESRCH; | |
3955 | return -1; | |
3956 | } | |
3957 | ||
3958 | ||
3959 | /* Get stats from sockstat */ | |
3960 | ||
acd1e437 | 3961 | struct ssummary { |
aba5acdf SH |
3962 | int socks; |
3963 | int tcp_mem; | |
3964 | int tcp_total; | |
3965 | int tcp_orphans; | |
3966 | int tcp_tws; | |
3967 | int tcp4_hashed; | |
3968 | int udp4; | |
3969 | int raw4; | |
3970 | int frag4; | |
3971 | int frag4_mem; | |
3972 | int tcp6_hashed; | |
3973 | int udp6; | |
3974 | int raw6; | |
3975 | int frag6; | |
3976 | int frag6_mem; | |
3977 | }; | |
3978 | ||
055840f2 | 3979 | static void get_sockstat_line(char *line, struct ssummary *s) |
aba5acdf SH |
3980 | { |
3981 | char id[256], rem[256]; | |
3982 | ||
3983 | if (sscanf(line, "%[^ ] %[^\n]\n", id, rem) != 2) | |
3984 | return; | |
3985 | ||
3986 | if (strcmp(id, "sockets:") == 0) | |
3987 | sscanf(rem, "%*s%d", &s->socks); | |
3988 | else if (strcmp(id, "UDP:") == 0) | |
3989 | sscanf(rem, "%*s%d", &s->udp4); | |
3990 | else if (strcmp(id, "UDP6:") == 0) | |
3991 | sscanf(rem, "%*s%d", &s->udp6); | |
3992 | else if (strcmp(id, "RAW:") == 0) | |
3993 | sscanf(rem, "%*s%d", &s->raw4); | |
3994 | else if (strcmp(id, "RAW6:") == 0) | |
3995 | sscanf(rem, "%*s%d", &s->raw6); | |
3996 | else if (strcmp(id, "TCP6:") == 0) | |
3997 | sscanf(rem, "%*s%d", &s->tcp6_hashed); | |
3998 | else if (strcmp(id, "FRAG:") == 0) | |
3999 | sscanf(rem, "%*s%d%*s%d", &s->frag4, &s->frag4_mem); | |
4000 | else if (strcmp(id, "FRAG6:") == 0) | |
4001 | sscanf(rem, "%*s%d%*s%d", &s->frag6, &s->frag6_mem); | |
4002 | else if (strcmp(id, "TCP:") == 0) | |
4003 | sscanf(rem, "%*s%d%*s%d%*s%d%*s%d%*s%d", | |
4004 | &s->tcp4_hashed, | |
4005 | &s->tcp_orphans, &s->tcp_tws, &s->tcp_total, &s->tcp_mem); | |
4006 | } | |
4007 | ||
055840f2 | 4008 | static int get_sockstat(struct ssummary *s) |
aba5acdf SH |
4009 | { |
4010 | char buf[256]; | |
4011 | FILE *fp; | |
4012 | ||
4013 | memset(s, 0, sizeof(*s)); | |
4014 | ||
ab01dbbb | 4015 | if ((fp = net_sockstat_open()) == NULL) |
aba5acdf | 4016 | return -1; |
acd1e437 | 4017 | while (fgets(buf, sizeof(buf), fp) != NULL) |
aba5acdf SH |
4018 | get_sockstat_line(buf, s); |
4019 | fclose(fp); | |
4020 | ||
ab01dbbb | 4021 | if ((fp = net_sockstat6_open()) == NULL) |
aba5acdf | 4022 | return 0; |
acd1e437 | 4023 | while (fgets(buf, sizeof(buf), fp) != NULL) |
aba5acdf SH |
4024 | get_sockstat_line(buf, s); |
4025 | fclose(fp); | |
4026 | ||
4027 | return 0; | |
4028 | } | |
4029 | ||
d1f28cf1 | 4030 | static int print_summary(void) |
aba5acdf | 4031 | { |
055840f2 | 4032 | struct ssummary s; |
2f938ce1 | 4033 | int tcp_estab; |
aba5acdf SH |
4034 | |
4035 | if (get_sockstat(&s) < 0) | |
4036 | perror("ss: get_sockstat"); | |
2f938ce1 | 4037 | if (get_snmp_int("Tcp:", "CurrEstab", &tcp_estab) < 0) |
aba5acdf SH |
4038 | perror("ss: get_snmpstat"); |
4039 | ||
a221d621 BL |
4040 | get_slabstat(&slabstat); |
4041 | ||
aba5acdf SH |
4042 | printf("Total: %d (kernel %d)\n", s.socks, slabstat.socks); |
4043 | ||
4044 | printf("TCP: %d (estab %d, closed %d, orphaned %d, synrecv %d, timewait %d/%d), ports %d\n", | |
4045 | s.tcp_total + slabstat.tcp_syns + s.tcp_tws, | |
2f938ce1 | 4046 | tcp_estab, |
aba5acdf SH |
4047 | s.tcp_total - (s.tcp4_hashed+s.tcp6_hashed-s.tcp_tws), |
4048 | s.tcp_orphans, | |
4049 | slabstat.tcp_syns, | |
4050 | s.tcp_tws, slabstat.tcp_tws, | |
4051 | slabstat.tcp_ports | |
4052 | ); | |
4053 | ||
4054 | printf("\n"); | |
4055 | printf("Transport Total IP IPv6\n"); | |
4056 | printf("* %-9d %-9s %-9s\n", slabstat.socks, "-", "-"); | |
4057 | printf("RAW %-9d %-9d %-9d\n", s.raw4+s.raw6, s.raw4, s.raw6); | |
4058 | printf("UDP %-9d %-9d %-9d\n", s.udp4+s.udp6, s.udp4, s.udp6); | |
4059 | printf("TCP %-9d %-9d %-9d\n", s.tcp4_hashed+s.tcp6_hashed, s.tcp4_hashed, s.tcp6_hashed); | |
ae665a52 | 4060 | printf("INET %-9d %-9d %-9d\n", |
aba5acdf SH |
4061 | s.raw4+s.udp4+s.tcp4_hashed+ |
4062 | s.raw6+s.udp6+s.tcp6_hashed, | |
4063 | s.raw4+s.udp4+s.tcp4_hashed, | |
4064 | s.raw6+s.udp6+s.tcp6_hashed); | |
4065 | printf("FRAG %-9d %-9d %-9d\n", s.frag4+s.frag6, s.frag4, s.frag6); | |
4066 | ||
4067 | printf("\n"); | |
4068 | ||
4069 | return 0; | |
4070 | } | |
4071 | ||
7a96e199 | 4072 | static void _usage(FILE *dest) |
aba5acdf | 4073 | { |
7a96e199 | 4074 | fprintf(dest, |
aba5acdf SH |
4075 | "Usage: ss [ OPTIONS ]\n" |
4076 | " ss [ OPTIONS ] [ FILTER ]\n" | |
ff041f16 VK |
4077 | " -h, --help this message\n" |
4078 | " -V, --version output version information\n" | |
4079 | " -n, --numeric don't resolve service names\n" | |
ab61159a | 4080 | " -r, --resolve resolve host names\n" |
ff041f16 VK |
4081 | " -a, --all display all sockets\n" |
4082 | " -l, --listening display listening sockets\n" | |
ab61159a SH |
4083 | " -o, --options show timer information\n" |
4084 | " -e, --extended show detailed socket information\n" | |
4085 | " -m, --memory show socket memory usage\n" | |
ff041f16 VK |
4086 | " -p, --processes show process using socket\n" |
4087 | " -i, --info show internal TCP information\n" | |
4088 | " -s, --summary show socket usage summary\n" | |
b0f01cf6 | 4089 | " -b, --bpf show bpf filter socket information\n" |
6885e3bf | 4090 | " -E, --events continually display sockets as they are destroyed\n" |
ff041f16 VK |
4091 | " -Z, --context display process SELinux security contexts\n" |
4092 | " -z, --contexts display process and socket SELinux security contexts\n" | |
95ce04bc | 4093 | " -N, --net switch to the specified network namespace name\n" |
ab61159a SH |
4094 | "\n" |
4095 | " -4, --ipv4 display only IP version 4 sockets\n" | |
4096 | " -6, --ipv6 display only IP version 6 sockets\n" | |
ff041f16 VK |
4097 | " -0, --packet display PACKET sockets\n" |
4098 | " -t, --tcp display only TCP sockets\n" | |
f89d46ad | 4099 | " -S, --sctp display only SCTP sockets\n" |
ff041f16 VK |
4100 | " -u, --udp display only UDP sockets\n" |
4101 | " -d, --dccp display only DCCP sockets\n" | |
4102 | " -w, --raw display only RAW sockets\n" | |
4103 | " -x, --unix display only Unix domain sockets\n" | |
c759116a | 4104 | " --vsock display only vsock sockets\n" |
ab61159a | 4105 | " -f, --family=FAMILY display sockets of type FAMILY\n" |
c759116a | 4106 | " FAMILY := {inet|inet6|link|unix|netlink|vsock|help}\n" |
ab61159a | 4107 | "\n" |
fb2594c1 | 4108 | " -K, --kill forcibly close sockets, display what was closed\n" |
7a4559f6 | 4109 | " -H, --no-header Suppress header line\n" |
fb2594c1 | 4110 | "\n" |
583de149 | 4111 | " -A, --query=QUERY, --socket=QUERY\n" |
c759116a | 4112 | " QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram}[,QUERY]\n" |
ab61159a | 4113 | "\n" |
583de149 | 4114 | " -D, --diag=FILE Dump raw information about TCP sockets to FILE\n" |
ab61159a | 4115 | " -F, --filter=FILE read filter information from FILE\n" |
ff041f16 VK |
4116 | " FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n" |
4117 | " STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n" | |
ae4e21c9 | 4118 | " TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listening|closing}\n" |
ff041f16 VK |
4119 | " connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" |
4120 | " synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" | |
4121 | " bucket := {syn-recv|time-wait}\n" | |
ae4e21c9 | 4122 | " big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listening|closing}\n" |
ab61159a | 4123 | ); |
7a96e199 AH |
4124 | } |
4125 | ||
4126 | static void help(void) __attribute__((noreturn)); | |
4127 | static void help(void) | |
4128 | { | |
4129 | _usage(stdout); | |
4130 | exit(0); | |
4131 | } | |
4132 | ||
4133 | static void usage(void) __attribute__((noreturn)); | |
4134 | static void usage(void) | |
4135 | { | |
4136 | _usage(stderr); | |
aba5acdf SH |
4137 | exit(-1); |
4138 | } | |
4139 | ||
4140 | ||
d1f28cf1 | 4141 | static int scan_state(const char *state) |
aba5acdf | 4142 | { |
b710a722 PS |
4143 | static const char * const sstate_namel[] = { |
4144 | "UNKNOWN", | |
4145 | [SS_ESTABLISHED] = "established", | |
4146 | [SS_SYN_SENT] = "syn-sent", | |
4147 | [SS_SYN_RECV] = "syn-recv", | |
4148 | [SS_FIN_WAIT1] = "fin-wait-1", | |
4149 | [SS_FIN_WAIT2] = "fin-wait-2", | |
4150 | [SS_TIME_WAIT] = "time-wait", | |
4151 | [SS_CLOSE] = "unconnected", | |
4152 | [SS_CLOSE_WAIT] = "close-wait", | |
4153 | [SS_LAST_ACK] = "last-ack", | |
4154 | [SS_LISTEN] = "listening", | |
4155 | [SS_CLOSING] = "closing", | |
4156 | }; | |
aba5acdf | 4157 | int i; |
acd1e437 | 4158 | |
aba5acdf SH |
4159 | if (strcasecmp(state, "close") == 0 || |
4160 | strcasecmp(state, "closed") == 0) | |
4161 | return (1<<SS_CLOSE); | |
4162 | if (strcasecmp(state, "syn-rcv") == 0) | |
4163 | return (1<<SS_SYN_RECV); | |
1a5bad5a | 4164 | if (strcasecmp(state, "established") == 0) |
aba5acdf SH |
4165 | return (1<<SS_ESTABLISHED); |
4166 | if (strcasecmp(state, "all") == 0) | |
4167 | return SS_ALL; | |
4168 | if (strcasecmp(state, "connected") == 0) | |
4169 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)); | |
1a5bad5a | 4170 | if (strcasecmp(state, "synchronized") == 0) |
aba5acdf SH |
4171 | return SS_ALL & ~((1<<SS_CLOSE)|(1<<SS_LISTEN)|(1<<SS_SYN_SENT)); |
4172 | if (strcasecmp(state, "bucket") == 0) | |
4173 | return (1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT); | |
4174 | if (strcasecmp(state, "big") == 0) | |
4175 | return SS_ALL & ~((1<<SS_SYN_RECV)|(1<<SS_TIME_WAIT)); | |
acd1e437 | 4176 | for (i = 0; i < SS_MAX; i++) { |
1a5bad5a | 4177 | if (strcasecmp(state, sstate_namel[i]) == 0) |
aba5acdf SH |
4178 | return (1<<i); |
4179 | } | |
9db7bf15 VK |
4180 | |
4181 | fprintf(stderr, "ss: wrong state name: %s\n", state); | |
4182 | exit(-1); | |
aba5acdf SH |
4183 | } |
4184 | ||
c759116a SH |
4185 | /* Values 'v' and 'V' are already used so a non-character is used */ |
4186 | #define OPT_VSOCK 256 | |
4187 | ||
ab61159a SH |
4188 | static const struct option long_opts[] = { |
4189 | { "numeric", 0, 0, 'n' }, | |
4190 | { "resolve", 0, 0, 'r' }, | |
4191 | { "options", 0, 0, 'o' }, | |
4192 | { "extended", 0, 0, 'e' }, | |
4193 | { "memory", 0, 0, 'm' }, | |
4194 | { "info", 0, 0, 'i' }, | |
4195 | { "processes", 0, 0, 'p' }, | |
372c30d2 | 4196 | { "bpf", 0, 0, 'b' }, |
6885e3bf | 4197 | { "events", 0, 0, 'E' }, |
351efcde | 4198 | { "dccp", 0, 0, 'd' }, |
ab61159a | 4199 | { "tcp", 0, 0, 't' }, |
f89d46ad | 4200 | { "sctp", 0, 0, 'S' }, |
ab61159a SH |
4201 | { "udp", 0, 0, 'u' }, |
4202 | { "raw", 0, 0, 'w' }, | |
4203 | { "unix", 0, 0, 'x' }, | |
c759116a | 4204 | { "vsock", 0, 0, OPT_VSOCK }, |
ab61159a SH |
4205 | { "all", 0, 0, 'a' }, |
4206 | { "listening", 0, 0, 'l' }, | |
4207 | { "ipv4", 0, 0, '4' }, | |
4208 | { "ipv6", 0, 0, '6' }, | |
4209 | { "packet", 0, 0, '0' }, | |
4210 | { "family", 1, 0, 'f' }, | |
4211 | { "socket", 1, 0, 'A' }, | |
583de149 | 4212 | { "query", 1, 0, 'A' }, |
c3f346b0 | 4213 | { "summary", 0, 0, 's' }, |
583de149 | 4214 | { "diag", 1, 0, 'D' }, |
ab61159a SH |
4215 | { "filter", 1, 0, 'F' }, |
4216 | { "version", 0, 0, 'V' }, | |
4217 | { "help", 0, 0, 'h' }, | |
116ac927 RH |
4218 | { "context", 0, 0, 'Z' }, |
4219 | { "contexts", 0, 0, 'z' }, | |
95ce04bc | 4220 | { "net", 1, 0, 'N' }, |
fb2594c1 | 4221 | { "kill", 0, 0, 'K' }, |
7a4559f6 | 4222 | { "no-header", 0, 0, 'H' }, |
ab61159a | 4223 | { 0 } |
ae665a52 | 4224 | |
ab61159a SH |
4225 | }; |
4226 | ||
aba5acdf SH |
4227 | int main(int argc, char *argv[]) |
4228 | { | |
aba5acdf SH |
4229 | int saw_states = 0; |
4230 | int saw_query = 0; | |
4231 | int do_summary = 0; | |
7d105b56 | 4232 | const char *dump_tcpdiag = NULL; |
aba5acdf SH |
4233 | FILE *filter_fp = NULL; |
4234 | int ch; | |
9db7bf15 | 4235 | int state_filter = 0; |
95eafe43 | 4236 | int addrp_width, screen_width = 80; |
aba5acdf | 4237 | |
168d97f9 SH |
4238 | while ((ch = getopt_long(argc, argv, |
4239 | "dhaletuwxnro460spbEf:miA:D:F:vVzZN:KHS", | |
ab61159a | 4240 | long_opts, NULL)) != EOF) { |
acd1e437 | 4241 | switch (ch) { |
aba5acdf SH |
4242 | case 'n': |
4243 | resolve_services = 0; | |
4244 | break; | |
4245 | case 'r': | |
4246 | resolve_hosts = 1; | |
4247 | break; | |
4248 | case 'o': | |
4249 | show_options = 1; | |
4250 | break; | |
4251 | case 'e': | |
4252 | show_options = 1; | |
4253 | show_details++; | |
4254 | break; | |
4255 | case 'm': | |
4256 | show_mem = 1; | |
4257 | break; | |
4258 | case 'i': | |
4259 | show_tcpinfo = 1; | |
4260 | break; | |
4261 | case 'p': | |
4262 | show_users++; | |
fbc0f876 | 4263 | user_ent_hash_build(); |
aba5acdf | 4264 | break; |
372c30d2 ND |
4265 | case 'b': |
4266 | show_options = 1; | |
4267 | show_bpf++; | |
4268 | break; | |
6885e3bf CG |
4269 | case 'E': |
4270 | follow_events = 1; | |
4271 | break; | |
351efcde | 4272 | case 'd': |
57ff5a10 | 4273 | filter_db_set(¤t_filter, DCCP_DB); |
351efcde | 4274 | break; |
aba5acdf | 4275 | case 't': |
57ff5a10 | 4276 | filter_db_set(¤t_filter, TCP_DB); |
aba5acdf | 4277 | break; |
f89d46ad PS |
4278 | case 'S': |
4279 | filter_db_set(¤t_filter, SCTP_DB); | |
4280 | break; | |
aba5acdf | 4281 | case 'u': |
57ff5a10 | 4282 | filter_db_set(¤t_filter, UDP_DB); |
aba5acdf SH |
4283 | break; |
4284 | case 'w': | |
57ff5a10 | 4285 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf SH |
4286 | break; |
4287 | case 'x': | |
9db7bf15 | 4288 | filter_af_set(¤t_filter, AF_UNIX); |
aba5acdf | 4289 | break; |
c759116a SH |
4290 | case OPT_VSOCK: |
4291 | filter_af_set(¤t_filter, AF_VSOCK); | |
4292 | break; | |
aba5acdf | 4293 | case 'a': |
9db7bf15 | 4294 | state_filter = SS_ALL; |
aba5acdf SH |
4295 | break; |
4296 | case 'l': | |
9db7bf15 | 4297 | state_filter = (1 << SS_LISTEN) | (1 << SS_CLOSE); |
aba5acdf SH |
4298 | break; |
4299 | case '4': | |
9db7bf15 | 4300 | filter_af_set(¤t_filter, AF_INET); |
aba5acdf SH |
4301 | break; |
4302 | case '6': | |
9db7bf15 | 4303 | filter_af_set(¤t_filter, AF_INET6); |
aba5acdf SH |
4304 | break; |
4305 | case '0': | |
9db7bf15 | 4306 | filter_af_set(¤t_filter, AF_PACKET); |
aba5acdf SH |
4307 | break; |
4308 | case 'f': | |
4309 | if (strcmp(optarg, "inet") == 0) | |
9db7bf15 | 4310 | filter_af_set(¤t_filter, AF_INET); |
aba5acdf | 4311 | else if (strcmp(optarg, "inet6") == 0) |
9db7bf15 | 4312 | filter_af_set(¤t_filter, AF_INET6); |
aba5acdf | 4313 | else if (strcmp(optarg, "link") == 0) |
9db7bf15 | 4314 | filter_af_set(¤t_filter, AF_PACKET); |
aba5acdf | 4315 | else if (strcmp(optarg, "unix") == 0) |
9db7bf15 | 4316 | filter_af_set(¤t_filter, AF_UNIX); |
aba5acdf | 4317 | else if (strcmp(optarg, "netlink") == 0) |
9db7bf15 | 4318 | filter_af_set(¤t_filter, AF_NETLINK); |
c759116a SH |
4319 | else if (strcmp(optarg, "vsock") == 0) |
4320 | filter_af_set(¤t_filter, AF_VSOCK); | |
aba5acdf | 4321 | else if (strcmp(optarg, "help") == 0) |
7a96e199 | 4322 | help(); |
aba5acdf | 4323 | else { |
9db7bf15 VK |
4324 | fprintf(stderr, "ss: \"%s\" is invalid family\n", |
4325 | optarg); | |
aba5acdf SH |
4326 | usage(); |
4327 | } | |
4328 | break; | |
4329 | case 'A': | |
4330 | { | |
4331 | char *p, *p1; | |
acd1e437 | 4332 | |
aba5acdf SH |
4333 | if (!saw_query) { |
4334 | current_filter.dbs = 0; | |
7f9dddbe | 4335 | state_filter = state_filter ? |
acd1e437 | 4336 | state_filter : SS_CONN; |
aba5acdf SH |
4337 | saw_query = 1; |
4338 | do_default = 0; | |
4339 | } | |
4340 | p = p1 = optarg; | |
4341 | do { | |
4342 | if ((p1 = strchr(p, ',')) != NULL) | |
ae665a52 | 4343 | *p1 = 0; |
aba5acdf | 4344 | if (strcmp(p, "all") == 0) { |
57ff5a10 | 4345 | filter_default_dbs(¤t_filter); |
aba5acdf | 4346 | } else if (strcmp(p, "inet") == 0) { |
57ff5a10 VK |
4347 | filter_db_set(¤t_filter, UDP_DB); |
4348 | filter_db_set(¤t_filter, DCCP_DB); | |
4349 | filter_db_set(¤t_filter, TCP_DB); | |
f89d46ad | 4350 | filter_db_set(¤t_filter, SCTP_DB); |
57ff5a10 | 4351 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf | 4352 | } else if (strcmp(p, "udp") == 0) { |
57ff5a10 | 4353 | filter_db_set(¤t_filter, UDP_DB); |
351efcde | 4354 | } else if (strcmp(p, "dccp") == 0) { |
57ff5a10 | 4355 | filter_db_set(¤t_filter, DCCP_DB); |
aba5acdf | 4356 | } else if (strcmp(p, "tcp") == 0) { |
57ff5a10 | 4357 | filter_db_set(¤t_filter, TCP_DB); |
f89d46ad PS |
4358 | } else if (strcmp(p, "sctp") == 0) { |
4359 | filter_db_set(¤t_filter, SCTP_DB); | |
aba5acdf | 4360 | } else if (strcmp(p, "raw") == 0) { |
57ff5a10 | 4361 | filter_db_set(¤t_filter, RAW_DB); |
aba5acdf | 4362 | } else if (strcmp(p, "unix") == 0) { |
57ff5a10 VK |
4363 | filter_db_set(¤t_filter, UNIX_ST_DB); |
4364 | filter_db_set(¤t_filter, UNIX_DG_DB); | |
4365 | filter_db_set(¤t_filter, UNIX_SQ_DB); | |
1a5bad5a | 4366 | } else if (strcasecmp(p, "unix_stream") == 0 || |
aba5acdf | 4367 | strcmp(p, "u_str") == 0) { |
57ff5a10 | 4368 | filter_db_set(¤t_filter, UNIX_ST_DB); |
1a5bad5a | 4369 | } else if (strcasecmp(p, "unix_dgram") == 0 || |
aba5acdf | 4370 | strcmp(p, "u_dgr") == 0) { |
57ff5a10 | 4371 | filter_db_set(¤t_filter, UNIX_DG_DB); |
30b669d7 MY |
4372 | } else if (strcasecmp(p, "unix_seqpacket") == 0 || |
4373 | strcmp(p, "u_seq") == 0) { | |
57ff5a10 | 4374 | filter_db_set(¤t_filter, UNIX_SQ_DB); |
aba5acdf | 4375 | } else if (strcmp(p, "packet") == 0) { |
57ff5a10 VK |
4376 | filter_db_set(¤t_filter, PACKET_R_DB); |
4377 | filter_db_set(¤t_filter, PACKET_DG_DB); | |
aba5acdf SH |
4378 | } else if (strcmp(p, "packet_raw") == 0 || |
4379 | strcmp(p, "p_raw") == 0) { | |
57ff5a10 | 4380 | filter_db_set(¤t_filter, PACKET_R_DB); |
aba5acdf SH |
4381 | } else if (strcmp(p, "packet_dgram") == 0 || |
4382 | strcmp(p, "p_dgr") == 0) { | |
57ff5a10 | 4383 | filter_db_set(¤t_filter, PACKET_DG_DB); |
aba5acdf | 4384 | } else if (strcmp(p, "netlink") == 0) { |
57ff5a10 | 4385 | filter_db_set(¤t_filter, NETLINK_DB); |
c759116a SH |
4386 | } else if (strcmp(p, "vsock") == 0) { |
4387 | filter_db_set(¤t_filter, VSOCK_ST_DB); | |
4388 | filter_db_set(¤t_filter, VSOCK_DG_DB); | |
4389 | } else if (strcmp(p, "vsock_stream") == 0 || | |
4390 | strcmp(p, "v_str") == 0) { | |
4391 | filter_db_set(¤t_filter, VSOCK_ST_DB); | |
4392 | } else if (strcmp(p, "vsock_dgram") == 0 || | |
4393 | strcmp(p, "v_dgr") == 0) { | |
4394 | filter_db_set(¤t_filter, VSOCK_DG_DB); | |
aba5acdf SH |
4395 | } else { |
4396 | fprintf(stderr, "ss: \"%s\" is illegal socket table id\n", p); | |
4397 | usage(); | |
4398 | } | |
4399 | p = p1 + 1; | |
4400 | } while (p1); | |
4401 | break; | |
4402 | } | |
4403 | case 's': | |
4404 | do_summary = 1; | |
4405 | break; | |
4406 | case 'D': | |
4407 | dump_tcpdiag = optarg; | |
4408 | break; | |
4409 | case 'F': | |
4410 | if (filter_fp) { | |
4411 | fprintf(stderr, "More than one filter file\n"); | |
4412 | exit(-1); | |
4413 | } | |
4414 | if (optarg[0] == '-') | |
4415 | filter_fp = stdin; | |
4416 | else | |
4417 | filter_fp = fopen(optarg, "r"); | |
4418 | if (!filter_fp) { | |
4419 | perror("fopen filter file"); | |
4420 | exit(-1); | |
4421 | } | |
4422 | break; | |
4423 | case 'v': | |
4424 | case 'V': | |
4425 | printf("ss utility, iproute2-ss%s\n", SNAPSHOT); | |
4426 | exit(0); | |
116ac927 RH |
4427 | case 'z': |
4428 | show_sock_ctx++; | |
36df1a6e | 4429 | /* fall through */ |
116ac927 RH |
4430 | case 'Z': |
4431 | if (is_selinux_enabled() <= 0) { | |
4432 | fprintf(stderr, "ss: SELinux is not enabled.\n"); | |
4433 | exit(1); | |
4434 | } | |
4435 | show_proc_ctx++; | |
4436 | user_ent_hash_build(); | |
4437 | break; | |
95ce04bc VK |
4438 | case 'N': |
4439 | if (netns_switch(optarg)) | |
4440 | exit(1); | |
4441 | break; | |
fb2594c1 LC |
4442 | case 'K': |
4443 | current_filter.kill = 1; | |
4444 | break; | |
7a4559f6 DA |
4445 | case 'H': |
4446 | show_header = 0; | |
4447 | break; | |
aba5acdf | 4448 | case 'h': |
7a96e199 | 4449 | help(); |
f73105ab | 4450 | case '?': |
aba5acdf SH |
4451 | default: |
4452 | usage(); | |
4453 | } | |
4454 | } | |
4455 | ||
4456 | argc -= optind; | |
4457 | argv += optind; | |
4458 | ||
aba5acdf SH |
4459 | if (do_summary) { |
4460 | print_summary(); | |
4461 | if (do_default && argc == 0) | |
4462 | exit(0); | |
4463 | } | |
4464 | ||
aba5acdf SH |
4465 | while (argc > 0) { |
4466 | if (strcmp(*argv, "state") == 0) { | |
4467 | NEXT_ARG(); | |
4468 | if (!saw_states) | |
9db7bf15 VK |
4469 | state_filter = 0; |
4470 | state_filter |= scan_state(*argv); | |
aba5acdf SH |
4471 | saw_states = 1; |
4472 | } else if (strcmp(*argv, "exclude") == 0 || | |
4473 | strcmp(*argv, "excl") == 0) { | |
4474 | NEXT_ARG(); | |
4475 | if (!saw_states) | |
9db7bf15 VK |
4476 | state_filter = SS_ALL; |
4477 | state_filter &= ~scan_state(*argv); | |
aba5acdf SH |
4478 | saw_states = 1; |
4479 | } else { | |
aba5acdf SH |
4480 | break; |
4481 | } | |
4482 | argc--; argv++; | |
4483 | } | |
4484 | ||
9db7bf15 VK |
4485 | if (do_default) { |
4486 | state_filter = state_filter ? state_filter : SS_CONN; | |
4487 | filter_default_dbs(¤t_filter); | |
9db7bf15 VK |
4488 | } |
4489 | ||
57ff5a10 VK |
4490 | filter_states_set(¤t_filter, state_filter); |
4491 | filter_merge_defaults(¤t_filter); | |
4492 | ||
9db7bf15 | 4493 | if (resolve_services && resolve_hosts && |
168d97f9 | 4494 | (current_filter.dbs & (UNIX_DBM|INET_L4_DBM))) |
9db7bf15 VK |
4495 | init_service_resolver(); |
4496 | ||
9db7bf15 VK |
4497 | if (current_filter.dbs == 0) { |
4498 | fprintf(stderr, "ss: no socket tables to show with such filter.\n"); | |
4499 | exit(0); | |
4500 | } | |
4501 | if (current_filter.families == 0) { | |
4502 | fprintf(stderr, "ss: no families to show with such filter.\n"); | |
4503 | exit(0); | |
4504 | } | |
aba5acdf SH |
4505 | if (current_filter.states == 0) { |
4506 | fprintf(stderr, "ss: no socket states to show with such filter.\n"); | |
4507 | exit(0); | |
4508 | } | |
4509 | ||
4510 | if (dump_tcpdiag) { | |
4511 | FILE *dump_fp = stdout; | |
acd1e437 | 4512 | |
aba5acdf SH |
4513 | if (!(current_filter.dbs & (1<<TCP_DB))) { |
4514 | fprintf(stderr, "ss: tcpdiag dump requested and no tcp in filter.\n"); | |
4515 | exit(0); | |
4516 | } | |
4517 | if (dump_tcpdiag[0] != '-') { | |
4518 | dump_fp = fopen(dump_tcpdiag, "w"); | |
4519 | if (!dump_tcpdiag) { | |
4520 | perror("fopen dump file"); | |
4521 | exit(-1); | |
4522 | } | |
4523 | } | |
3fe5b534 | 4524 | inet_show_netlink(¤t_filter, dump_fp, IPPROTO_TCP); |
aba5acdf SH |
4525 | fflush(dump_fp); |
4526 | exit(0); | |
4527 | } | |
4528 | ||
1527a17e VK |
4529 | if (ssfilter_parse(¤t_filter.f, argc, argv, filter_fp)) |
4530 | usage(); | |
4531 | ||
aba5acdf SH |
4532 | netid_width = 0; |
4533 | if (current_filter.dbs&(current_filter.dbs-1)) | |
4534 | netid_width = 5; | |
4535 | ||
4536 | state_width = 0; | |
4537 | if (current_filter.states&(current_filter.states-1)) | |
4538 | state_width = 10; | |
4539 | ||
aba5acdf SH |
4540 | if (isatty(STDOUT_FILENO)) { |
4541 | struct winsize w; | |
4542 | ||
4543 | if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) { | |
4544 | if (w.ws_col > 0) | |
4545 | screen_width = w.ws_col; | |
4546 | } | |
4547 | } | |
4548 | ||
4549 | addrp_width = screen_width; | |
4357f5c3 SB |
4550 | if (netid_width) |
4551 | addrp_width -= netid_width + 1; | |
4552 | if (state_width) | |
4553 | addrp_width -= state_width + 1; | |
aba5acdf SH |
4554 | addrp_width -= 14; |
4555 | ||
4556 | if (addrp_width&1) { | |
4557 | if (netid_width) | |
4558 | netid_width++; | |
4559 | else if (state_width) | |
4560 | state_width++; | |
4357f5c3 SB |
4561 | else |
4562 | odd_width_pad = " "; | |
aba5acdf SH |
4563 | } |
4564 | ||
4565 | addrp_width /= 2; | |
4566 | addrp_width--; | |
4567 | ||
4568 | serv_width = resolve_services ? 7 : 5; | |
4569 | ||
4570 | if (addrp_width < 15+serv_width+1) | |
4571 | addrp_width = 15+serv_width+1; | |
4572 | ||
ae665a52 | 4573 | addr_width = addrp_width - serv_width - 1; |
aba5acdf | 4574 | |
7a4559f6 DA |
4575 | if (show_header) { |
4576 | if (netid_width) | |
4577 | printf("%-*s ", netid_width, "Netid"); | |
4578 | if (state_width) | |
4579 | printf("%-*s ", state_width, "State"); | |
4357f5c3 | 4580 | printf("%-6s %-6s %s", "Recv-Q", "Send-Q", odd_width_pad); |
7a4559f6 | 4581 | } |
aba5acdf | 4582 | |
d68e00f7 | 4583 | /* Make enough space for the local/remote port field */ |
4584 | addr_width -= 13; | |
4585 | serv_width += 13; | |
2dc85485 | 4586 | |
7a4559f6 DA |
4587 | if (show_header) { |
4588 | printf("%*s:%-*s %*s:%-*s\n", | |
4589 | addr_width, "Local Address", serv_width, "Port", | |
4590 | addr_width, "Peer Address", serv_width, "Port"); | |
4591 | } | |
aba5acdf | 4592 | |
aba5acdf SH |
4593 | fflush(stdout); |
4594 | ||
6885e3bf CG |
4595 | if (follow_events) |
4596 | exit(handle_follow_request(¤t_filter)); | |
4597 | ||
aba5acdf SH |
4598 | if (current_filter.dbs & (1<<NETLINK_DB)) |
4599 | netlink_show(¤t_filter); | |
4600 | if (current_filter.dbs & PACKET_DBM) | |
4601 | packet_show(¤t_filter); | |
4602 | if (current_filter.dbs & UNIX_DBM) | |
4603 | unix_show(¤t_filter); | |
4604 | if (current_filter.dbs & (1<<RAW_DB)) | |
4605 | raw_show(¤t_filter); | |
4606 | if (current_filter.dbs & (1<<UDP_DB)) | |
4607 | udp_show(¤t_filter); | |
4608 | if (current_filter.dbs & (1<<TCP_DB)) | |
6c6bbc30 | 4609 | tcp_show(¤t_filter); |
351efcde | 4610 | if (current_filter.dbs & (1<<DCCP_DB)) |
6c6bbc30 | 4611 | dccp_show(¤t_filter); |
f89d46ad PS |
4612 | if (current_filter.dbs & (1<<SCTP_DB)) |
4613 | sctp_show(¤t_filter); | |
c759116a SH |
4614 | if (current_filter.dbs & VSOCK_DBM) |
4615 | vsock_show(¤t_filter); | |
116ac927 RH |
4616 | |
4617 | if (show_users || show_proc_ctx || show_sock_ctx) | |
4618 | user_ent_destroy(); | |
4619 | ||
aba5acdf SH |
4620 | return 0; |
4621 | } |