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