blob: 231b6123ae5ff638e610c7a136854b991741eb43 [file] [log] [blame]
William Lallemand74c24fb2016-11-21 17:18:36 +01001/*
2 * Functions dedicated to statistics output and the stats socket
3 *
4 * Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
5 * Copyright 2007-2009 Krzysztof Piotr Oledzki <ole@ans.pl>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 *
12 */
13
14#include <ctype.h>
15#include <errno.h>
16#include <fcntl.h>
17#include <stdio.h>
18#include <stdlib.h>
19#include <string.h>
20#include <pwd.h>
21#include <grp.h>
22
23#include <sys/socket.h>
24#include <sys/stat.h>
25#include <sys/types.h>
26
Olivier Houchardf886e342017-04-05 22:24:59 +020027#include <net/if.h>
28
William Lallemand74c24fb2016-11-21 17:18:36 +010029#include <common/cfgparse.h>
30#include <common/compat.h>
31#include <common/config.h>
32#include <common/debug.h>
Willy Tarreau0108d902018-11-25 19:14:37 +010033#include <common/initcall.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010034#include <common/memory.h>
35#include <common/mini-clist.h>
36#include <common/standard.h>
37#include <common/ticks.h>
38#include <common/time.h>
39#include <common/uri_auth.h>
40#include <common/version.h>
41#include <common/base64.h>
42
43#include <types/applet.h>
44#include <types/global.h>
45#include <types/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010046#include <types/stats.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010047
Willy Tarreau609aad92018-11-22 08:31:09 +010048#include <proto/activity.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010049#include <proto/backend.h>
50#include <proto/channel.h>
51#include <proto/checks.h>
Willy Tarreau9d008692019-08-09 11:21:01 +020052#include <proto/cli.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010053#include <proto/compression.h>
William Lallemand9ed62032016-11-21 17:49:11 +010054#include <proto/stats.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010055#include <proto/fd.h>
56#include <proto/freq_ctr.h>
57#include <proto/frontend.h>
58#include <proto/log.h>
59#include <proto/pattern.h>
60#include <proto/pipe.h>
William Lallemandce83b4a2018-10-26 14:47:30 +020061#include <proto/protocol.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010062#include <proto/listener.h>
63#include <proto/map.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010064#include <proto/proxy.h>
65#include <proto/sample.h>
66#include <proto/session.h>
67#include <proto/stream.h>
68#include <proto/server.h>
Willy Tarreauc125cef2019-05-10 09:58:43 +020069#include <proto/ssl_sock.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010070#include <proto/stream_interface.h>
71#include <proto/task.h>
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +020072#include <proto/proto_udp.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010073
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +020074#define PAYLOAD_PATTERN "<<"
75
William Lallemand74c24fb2016-11-21 17:18:36 +010076static struct applet cli_applet;
77
78static const char stats_sock_usage_msg[] =
79 "Unknown command. Please enter one of the following commands only :\n"
William Lallemand74c24fb2016-11-21 17:18:36 +010080 " help : this message\n"
81 " prompt : toggle interactive mode with prompt\n"
82 " quit : disconnect\n"
William Lallemand74c24fb2016-11-21 17:18:36 +010083 "";
84
85static const char stats_permission_denied_msg[] =
86 "Permission denied\n"
87 "";
88
89
Christopher Faulet1bc04c72017-10-29 20:14:08 +010090static THREAD_LOCAL char *dynamic_usage_msg = NULL;
William Lallemand74c24fb2016-11-21 17:18:36 +010091
92/* List head of cli keywords */
93static struct cli_kw_list cli_keywords = {
94 .list = LIST_HEAD_INIT(cli_keywords.list)
95};
96
97extern const char *stat_status_codes[];
98
William Lallemand8a022572018-10-26 14:47:35 +020099static struct proxy *mworker_proxy; /* CLI proxy of the master */
100
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200101static char *cli_gen_usage_msg(struct appctx *appctx)
William Lallemand74c24fb2016-11-21 17:18:36 +0100102{
103 struct cli_kw_list *kw_list;
104 struct cli_kw *kw;
Willy Tarreau83061a82018-07-13 11:56:34 +0200105 struct buffer *tmp = get_trash_chunk();
106 struct buffer out;
William Lallemand74c24fb2016-11-21 17:18:36 +0100107
108 free(dynamic_usage_msg);
109 dynamic_usage_msg = NULL;
110
111 if (LIST_ISEMPTY(&cli_keywords.list))
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200112 goto end;
William Lallemand74c24fb2016-11-21 17:18:36 +0100113
114 chunk_reset(tmp);
115 chunk_strcat(tmp, stats_sock_usage_msg);
116 list_for_each_entry(kw_list, &cli_keywords.list, list) {
117 kw = &kw_list->kw[0];
William Lallemand0154edc2018-05-15 11:50:04 +0200118 while (kw->str_kw[0]) {
William Lallemand14721be2018-10-26 14:47:37 +0200119
120 /* in a worker or normal process, don't display master only commands */
121 if (master == 0 && (kw->level & ACCESS_MASTER_ONLY))
122 goto next_kw;
123
124 /* in master don't displays if we don't have the master bits */
125 if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER)))
126 goto next_kw;
127
William Lallemand0154edc2018-05-15 11:50:04 +0200128 if (kw->usage)
129 chunk_appendf(tmp, " %s\n", kw->usage);
William Lallemand14721be2018-10-26 14:47:37 +0200130
131next_kw:
132
William Lallemand74c24fb2016-11-21 17:18:36 +0100133 kw++;
134 }
135 }
136 chunk_init(&out, NULL, 0);
137 chunk_dup(&out, tmp);
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200138 dynamic_usage_msg = out.area;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200139
140end:
141 if (dynamic_usage_msg) {
142 appctx->ctx.cli.severity = LOG_INFO;
143 appctx->ctx.cli.msg = dynamic_usage_msg;
144 }
145 else {
146 appctx->ctx.cli.severity = LOG_INFO;
147 appctx->ctx.cli.msg = stats_sock_usage_msg;
148 }
149 appctx->st0 = CLI_ST_PRINT;
150
William Lallemand74c24fb2016-11-21 17:18:36 +0100151 return dynamic_usage_msg;
152}
153
154struct cli_kw* cli_find_kw(char **args)
155{
156 struct cli_kw_list *kw_list;
157 struct cli_kw *kw;/* current cli_kw */
158 char **tmp_args;
159 const char **tmp_str_kw;
160 int found = 0;
161
162 if (LIST_ISEMPTY(&cli_keywords.list))
163 return NULL;
164
165 list_for_each_entry(kw_list, &cli_keywords.list, list) {
166 kw = &kw_list->kw[0];
167 while (*kw->str_kw) {
168 tmp_args = args;
169 tmp_str_kw = kw->str_kw;
170 while (*tmp_str_kw) {
171 if (strcmp(*tmp_str_kw, *tmp_args) == 0) {
172 found = 1;
173 } else {
174 found = 0;
175 break;
176 }
177 tmp_args++;
178 tmp_str_kw++;
179 }
180 if (found)
181 return (kw);
182 kw++;
183 }
184 }
185 return NULL;
186}
187
188void cli_register_kw(struct cli_kw_list *kw_list)
189{
190 LIST_ADDQ(&cli_keywords.list, &kw_list->list);
191}
192
193
194/* allocate a new stats frontend named <name>, and return it
195 * (or NULL in case of lack of memory).
196 */
197static struct proxy *alloc_stats_fe(const char *name, const char *file, int line)
198{
199 struct proxy *fe;
200
201 fe = calloc(1, sizeof(*fe));
202 if (!fe)
203 return NULL;
204
205 init_new_proxy(fe);
Olivier Houchardfbc74e82017-11-24 16:54:05 +0100206 fe->next = proxies_list;
207 proxies_list = fe;
William Lallemand74c24fb2016-11-21 17:18:36 +0100208 fe->last_change = now.tv_sec;
209 fe->id = strdup("GLOBAL");
210 fe->cap = PR_CAP_FE;
211 fe->maxconn = 10; /* default to 10 concurrent connections */
212 fe->timeout.client = MS_TO_TICKS(10000); /* default timeout of 10 seconds */
213 fe->conf.file = strdup(file);
214 fe->conf.line = line;
215 fe->accept = frontend_accept;
216 fe->default_target = &cli_applet.obj_type;
217
218 /* the stats frontend is the only one able to assign ID #0 */
219 fe->conf.id.key = fe->uuid = 0;
220 eb32_insert(&used_proxy_id, &fe->conf.id);
221 return fe;
222}
223
224/* This function parses a "stats" statement in the "global" section. It returns
225 * -1 if there is any error, otherwise zero. If it returns -1, it will write an
226 * error message into the <err> buffer which will be preallocated. The trailing
227 * '\n' must not be written. The function must be called with <args> pointing to
228 * the first word after "stats".
229 */
230static int stats_parse_global(char **args, int section_type, struct proxy *curpx,
231 struct proxy *defpx, const char *file, int line,
232 char **err)
233{
234 struct bind_conf *bind_conf;
235 struct listener *l;
236
237 if (!strcmp(args[1], "socket")) {
238 int cur_arg;
239
240 if (*args[2] == 0) {
241 memprintf(err, "'%s %s' in global section expects an address or a path to a UNIX socket", args[0], args[1]);
242 return -1;
243 }
244
245 if (!global.stats_fe) {
246 if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
247 memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
248 return -1;
249 }
250 }
251
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100252 bind_conf = bind_conf_alloc(global.stats_fe, file, line, args[2], xprt_get(XPRT_RAW));
William Lallemand07a62f72017-05-24 00:57:40 +0200253 bind_conf->level &= ~ACCESS_LVL_MASK;
254 bind_conf->level |= ACCESS_LVL_OPER; /* default access level */
William Lallemand74c24fb2016-11-21 17:18:36 +0100255
256 if (!str2listener(args[2], global.stats_fe, bind_conf, file, line, err)) {
257 memprintf(err, "parsing [%s:%d] : '%s %s' : %s\n",
258 file, line, args[0], args[1], err && *err ? *err : "error");
259 return -1;
260 }
261
262 cur_arg = 3;
263 while (*args[cur_arg]) {
264 static int bind_dumped;
265 struct bind_kw *kw;
266
267 kw = bind_find_kw(args[cur_arg]);
268 if (kw) {
269 if (!kw->parse) {
270 memprintf(err, "'%s %s' : '%s' option is not implemented in this version (check build options).",
271 args[0], args[1], args[cur_arg]);
272 return -1;
273 }
274
275 if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, err) != 0) {
276 if (err && *err)
277 memprintf(err, "'%s %s' : '%s'", args[0], args[1], *err);
278 else
279 memprintf(err, "'%s %s' : error encountered while processing '%s'",
280 args[0], args[1], args[cur_arg]);
281 return -1;
282 }
283
284 cur_arg += 1 + kw->skip;
285 continue;
286 }
287
288 if (!bind_dumped) {
289 bind_dump_kws(err);
290 indent_msg(err, 4);
291 bind_dumped = 1;
292 }
293
294 memprintf(err, "'%s %s' : unknown keyword '%s'.%s%s",
295 args[0], args[1], args[cur_arg],
296 err && *err ? " Registered keywords :" : "", err && *err ? *err : "");
297 return -1;
298 }
299
300 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100301 l->accept = session_accept_fd;
William Lallemand74c24fb2016-11-21 17:18:36 +0100302 l->default_target = global.stats_fe->default_target;
303 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
304 l->nice = -64; /* we want to boost priority for local stats */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100305 global.maxsock++; /* for the listening socket */
William Lallemand74c24fb2016-11-21 17:18:36 +0100306 }
307 }
308 else if (!strcmp(args[1], "timeout")) {
309 unsigned timeout;
310 const char *res = parse_time_err(args[2], &timeout, TIME_UNIT_MS);
311
Willy Tarreau9faebe32019-06-07 19:00:37 +0200312 if (res == PARSE_TIME_OVER) {
313 memprintf(err, "timer overflow in argument '%s' to '%s %s' (maximum value is 2147483647 ms or ~24.8 days)",
314 args[2], args[0], args[1]);
315 return -1;
316 }
317 else if (res == PARSE_TIME_UNDER) {
318 memprintf(err, "timer underflow in argument '%s' to '%s %s' (minimum non-null value is 1 ms)",
319 args[2], args[0], args[1]);
320 return -1;
321 }
322 else if (res) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100323 memprintf(err, "'%s %s' : unexpected character '%c'", args[0], args[1], *res);
324 return -1;
325 }
326
327 if (!timeout) {
328 memprintf(err, "'%s %s' expects a positive value", args[0], args[1]);
329 return -1;
330 }
331 if (!global.stats_fe) {
332 if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
333 memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
334 return -1;
335 }
336 }
337 global.stats_fe->timeout.client = MS_TO_TICKS(timeout);
338 }
339 else if (!strcmp(args[1], "maxconn")) {
340 int maxconn = atol(args[2]);
341
342 if (maxconn <= 0) {
343 memprintf(err, "'%s %s' expects a positive value", args[0], args[1]);
344 return -1;
345 }
346
347 if (!global.stats_fe) {
348 if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
349 memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
350 return -1;
351 }
352 }
353 global.stats_fe->maxconn = maxconn;
354 }
355 else if (!strcmp(args[1], "bind-process")) { /* enable the socket only on some processes */
356 int cur_arg = 2;
357 unsigned long set = 0;
358
359 if (!global.stats_fe) {
360 if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
361 memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
362 return -1;
363 }
364 }
365
366 while (*args[cur_arg]) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100367 if (strcmp(args[cur_arg], "all") == 0) {
368 set = 0;
369 break;
370 }
Willy Tarreauff9c9142019-02-07 10:39:36 +0100371 if (parse_process_number(args[cur_arg], &set, MAX_PROCS, NULL, err)) {
Christopher Fauletf1f0c5f2017-11-22 12:06:43 +0100372 memprintf(err, "'%s %s' : %s", args[0], args[1], *err);
William Lallemand74c24fb2016-11-21 17:18:36 +0100373 return -1;
374 }
375 cur_arg++;
376 }
377 global.stats_fe->bind_proc = set;
378 }
379 else {
380 memprintf(err, "'%s' only supports 'socket', 'maxconn', 'bind-process' and 'timeout' (got '%s')", args[0], args[1]);
381 return -1;
382 }
383 return 0;
384}
385
William Lallemand33d29e22019-04-01 11:30:06 +0200386/*
William Lallemand9a37fd02019-04-12 16:09:24 +0200387 * This function exports the bound addresses of a <frontend> in the environment
388 * variable <varname>. Those addresses are separated by semicolons and prefixed
389 * with their type (abns@, unix@, sockpair@ etc)
390 * Return -1 upon error, 0 otherwise
William Lallemand33d29e22019-04-01 11:30:06 +0200391 */
William Lallemand9a37fd02019-04-12 16:09:24 +0200392int listeners_setenv(struct proxy *frontend, const char *varname)
William Lallemand33d29e22019-04-01 11:30:06 +0200393{
394 struct buffer *trash = get_trash_chunk();
395 struct bind_conf *bind_conf;
396
William Lallemand9a37fd02019-04-12 16:09:24 +0200397 if (frontend) {
398 list_for_each_entry(bind_conf, &frontend->conf.bind, by_fe) {
William Lallemand33d29e22019-04-01 11:30:06 +0200399 struct listener *l;
400
401 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
402 char addr[46];
403 char port[6];
404
William Lallemand620072b2019-04-12 16:09:25 +0200405 /* separate listener by semicolons */
406 if (trash->data)
407 chunk_appendf(trash, ";");
408
William Lallemand33d29e22019-04-01 11:30:06 +0200409 if (l->addr.ss_family == AF_UNIX) {
410 const struct sockaddr_un *un;
411
412 un = (struct sockaddr_un *)&l->addr;
413 if (un->sun_path[0] == '\0') {
414 chunk_appendf(trash, "abns@%s", un->sun_path+1);
415 } else {
416 chunk_appendf(trash, "unix@%s", un->sun_path);
417 }
418 } else if (l->addr.ss_family == AF_INET) {
419 addr_to_str(&l->addr, addr, sizeof(addr));
420 port_to_str(&l->addr, port, sizeof(port));
421 chunk_appendf(trash, "ipv4@%s:%s", addr, port);
422 } else if (l->addr.ss_family == AF_INET6) {
423 addr_to_str(&l->addr, addr, sizeof(addr));
424 port_to_str(&l->addr, port, sizeof(port));
425 chunk_appendf(trash, "ipv6@[%s]:%s", addr, port);
426 } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) {
427 chunk_appendf(trash, "sockpair@%d", ((struct sockaddr_in *)&l->addr)->sin_addr.s_addr);
428 }
William Lallemand33d29e22019-04-01 11:30:06 +0200429 }
430 }
431 trash->area[trash->data++] = '\0';
William Lallemand9a37fd02019-04-12 16:09:24 +0200432 if (setenv(varname, trash->area, 1) < 0)
William Lallemand33d29e22019-04-01 11:30:06 +0200433 return -1;
434 }
435
436 return 0;
437}
438
William Lallemand9a37fd02019-04-12 16:09:24 +0200439int cli_socket_setenv()
440{
441 if (listeners_setenv(global.stats_fe, "HAPROXY_CLI") < 0)
442 return -1;
443 if (listeners_setenv(mworker_proxy, "HAPROXY_MASTER_CLI") < 0)
444 return -1;
445
446 return 0;
447}
448
William Lallemand33d29e22019-04-01 11:30:06 +0200449REGISTER_CONFIG_POSTPARSER("cli", cli_socket_setenv);
450
Willy Tarreaude57a572016-11-23 17:01:39 +0100451/* Verifies that the CLI at least has a level at least as high as <level>
452 * (typically ACCESS_LVL_ADMIN). Returns 1 if OK, otherwise 0. In case of
453 * failure, an error message is prepared and the appctx's state is adjusted
454 * to print it so that a return 1 is enough to abort any processing.
455 */
456int cli_has_level(struct appctx *appctx, int level)
457{
Willy Tarreaude57a572016-11-23 17:01:39 +0100458
William Lallemandf630d012018-12-13 09:05:44 +0100459 if ((appctx->cli_level & ACCESS_LVL_MASK) < level) {
Willy Tarreau9d008692019-08-09 11:21:01 +0200460 cli_err(appctx, stats_permission_denied_msg);
Willy Tarreaude57a572016-11-23 17:01:39 +0100461 return 0;
462 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100463 return 1;
464}
465
William Lallemandb7ea1412018-12-13 09:05:47 +0100466/* same as cli_has_level but for the CLI proxy and without error message */
467int pcli_has_level(struct stream *s, int level)
468{
469 if ((s->pcli_flags & ACCESS_LVL_MASK) < level) {
470 return 0;
471 }
472 return 1;
473}
474
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200475/* Returns severity_output for the current session if set, or default for the socket */
476static int cli_get_severity_output(struct appctx *appctx)
477{
478 if (appctx->cli_severity_output)
479 return appctx->cli_severity_output;
480 return strm_li(si_strm(appctx->owner))->bind_conf->severity_output;
481}
William Lallemand74c24fb2016-11-21 17:18:36 +0100482
Willy Tarreau41908562016-11-24 16:23:38 +0100483/* Processes the CLI interpreter on the stats socket. This function is called
484 * from the CLI's IO handler running in an appctx context. The function returns 1
485 * if the request was understood, otherwise zero. It is called with appctx->st0
486 * set to CLI_ST_GETREQ and presets ->st2 to 0 so that parsers don't have to do
487 * it. It will possilbly leave st0 to CLI_ST_CALLBACK if the keyword needs to
488 * have its own I/O handler called again. Most of the time, parsers will only
489 * set st0 to CLI_ST_PRINT and put their message to be displayed into cli.msg.
Willy Tarreaueaffde32016-12-16 17:59:25 +0100490 * If a keyword parser is NULL and an I/O handler is declared, the I/O handler
491 * will automatically be used.
William Lallemand74c24fb2016-11-21 17:18:36 +0100492 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200493static int cli_parse_request(struct appctx *appctx)
William Lallemand74c24fb2016-11-21 17:18:36 +0100494{
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200495 char *args[MAX_STATS_ARGS + 1], *p, *end, *payload = NULL;
496 int i = 0;
William Lallemand74c24fb2016-11-21 17:18:36 +0100497 struct cli_kw *kw;
William Lallemand74c24fb2016-11-21 17:18:36 +0100498
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200499 appctx->st2 = 0;
500 memset(&appctx->ctx.cli, 0, sizeof(appctx->ctx.cli));
Willy Tarreau300decc2019-08-30 08:05:03 +0200501 LIST_INIT(&appctx->ctx.cli.l0);
William Lallemand74c24fb2016-11-21 17:18:36 +0100502
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200503 p = appctx->chunk->area;
504 end = p + appctx->chunk->data;
William Lallemand74c24fb2016-11-21 17:18:36 +0100505
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200506 /*
507 * Get the payload start if there is one.
508 * For the sake of simplicity, the payload pattern is looked up
509 * everywhere from the start of the input but it can only be found
510 * at the end of the first line if APPCTX_CLI_ST1_PAYLOAD is set.
511 *
512 * The input string was zero terminated so it is safe to use
513 * the str*() functions throughout the parsing
514 */
515 if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) {
516 payload = strstr(p, PAYLOAD_PATTERN);
517 end = payload;
518 /* skip the pattern */
519 payload += strlen(PAYLOAD_PATTERN);
520 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100521
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200522 /*
523 * Get pointers on words.
524 * One extra slot is reserved to store a pointer on a null byte.
525 */
526 while (i < MAX_STATS_ARGS && p < end) {
527 int j, k;
William Lallemand74c24fb2016-11-21 17:18:36 +0100528
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200529 /* skip leading spaces/tabs */
530 p += strspn(p, " \t");
531 if (!*p)
532 break;
William Lallemand74c24fb2016-11-21 17:18:36 +0100533
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200534 args[i] = p;
535 p += strcspn(p, " \t");
536 *p++ = 0;
William Lallemand74c24fb2016-11-21 17:18:36 +0100537
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200538 /* unescape backslashes (\) */
539 for (j = 0, k = 0; args[i][k]; k++) {
540 if (args[i][k] == '\\') {
541 if (args[i][k + 1] == '\\')
542 k++;
Dragan Dosena1c35ab2016-11-24 11:33:12 +0100543 else
544 continue;
545 }
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200546 args[i][j] = args[i][k];
William Lallemand74c24fb2016-11-21 17:18:36 +0100547 j++;
548 }
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200549 args[i][j] = 0;
William Lallemand74c24fb2016-11-21 17:18:36 +0100550
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200551 i++;
552 }
553 /* fill unused slots */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200554 p = appctx->chunk->area + appctx->chunk->data;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200555 for (; i < MAX_STATS_ARGS + 1; i++)
556 args[i] = p;
Willy Tarreau41908562016-11-24 16:23:38 +0100557
558 kw = cli_find_kw(args);
Willy Tarreaueaffde32016-12-16 17:59:25 +0100559 if (!kw)
Willy Tarreau41908562016-11-24 16:23:38 +0100560 return 0;
561
William Lallemand14721be2018-10-26 14:47:37 +0200562 /* in a worker or normal process, don't display master only commands */
563 if (master == 0 && (kw->level & ACCESS_MASTER_ONLY))
564 return 0;
565
566 /* in master don't displays if we don't have the master bits */
567 if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER)))
568 return 0;
569
Willy Tarreau41908562016-11-24 16:23:38 +0100570 appctx->io_handler = kw->io_handler;
Emeric Brund6871f72017-06-29 19:54:13 +0200571 appctx->io_release = kw->io_release;
572 /* kw->parse could set its own io_handler or ip_release handler */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200573 if ((!kw->parse || kw->parse(args, payload, appctx, kw->private) == 0) && appctx->io_handler) {
Willy Tarreau41908562016-11-24 16:23:38 +0100574 appctx->st0 = CLI_ST_CALLBACK;
William Lallemand74c24fb2016-11-21 17:18:36 +0100575 }
Willy Tarreau41908562016-11-24 16:23:38 +0100576 return 1;
William Lallemand74c24fb2016-11-21 17:18:36 +0100577}
578
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200579/* prepends then outputs the argument msg with a syslog-type severity depending on severity_output value */
580static int cli_output_msg(struct channel *chn, const char *msg, int severity, int severity_output)
581{
Willy Tarreau83061a82018-07-13 11:56:34 +0200582 struct buffer *tmp;
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200583
584 if (likely(severity_output == CLI_SEVERITY_NONE))
Willy Tarreau06d80a92017-10-19 14:32:15 +0200585 return ci_putblk(chn, msg, strlen(msg));
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200586
587 tmp = get_trash_chunk();
588 chunk_reset(tmp);
589
590 if (severity < 0 || severity > 7) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100591 ha_warning("socket command feedback with invalid severity %d", severity);
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200592 chunk_printf(tmp, "[%d]: ", severity);
593 }
594 else {
595 switch (severity_output) {
596 case CLI_SEVERITY_NUMBER:
597 chunk_printf(tmp, "[%d]: ", severity);
598 break;
599 case CLI_SEVERITY_STRING:
600 chunk_printf(tmp, "[%s]: ", log_levels[severity]);
601 break;
602 default:
Christopher Faulet767a84b2017-11-24 16:50:31 +0100603 ha_warning("Unrecognized severity output %d", severity_output);
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200604 }
605 }
606 chunk_appendf(tmp, "%s", msg);
607
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200608 return ci_putblk(chn, tmp->area, strlen(tmp->area));
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200609}
610
William Lallemand74c24fb2016-11-21 17:18:36 +0100611/* This I/O handler runs as an applet embedded in a stream interface. It is
612 * used to processes I/O from/to the stats unix socket. The system relies on a
613 * state machine handling requests and various responses. We read a request,
614 * then we process it and send the response, and we possibly display a prompt.
615 * Then we can read again. The state is stored in appctx->st0 and is one of the
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100616 * CLI_ST_* constants. appctx->st1 is used to indicate whether prompt is enabled
William Lallemand74c24fb2016-11-21 17:18:36 +0100617 * or not.
618 */
619static void cli_io_handler(struct appctx *appctx)
620{
621 struct stream_interface *si = appctx->owner;
622 struct channel *req = si_oc(si);
623 struct channel *res = si_ic(si);
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200624 struct bind_conf *bind_conf = strm_li(si_strm(si))->bind_conf;
William Lallemand74c24fb2016-11-21 17:18:36 +0100625 int reql;
626 int len;
627
628 if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
629 goto out;
630
Joseph Herlant008b3ce2018-11-25 12:51:45 -0800631 /* Check if the input buffer is available. */
Willy Tarreauc9fa0482018-07-10 17:43:27 +0200632 if (res->buf.size == 0) {
Willy Tarreau4b962a42018-11-15 11:03:21 +0100633 /* buf.size==0 means we failed to get a buffer and were
634 * already subscribed to a wait list to get a buffer.
635 */
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100636 goto out;
637 }
638
William Lallemand74c24fb2016-11-21 17:18:36 +0100639 while (1) {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100640 if (appctx->st0 == CLI_ST_INIT) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100641 /* Stats output not initialized yet */
642 memset(&appctx->ctx.stats, 0, sizeof(appctx->ctx.stats));
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200643 /* reset severity to default at init */
644 appctx->cli_severity_output = bind_conf->severity_output;
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100645 appctx->st0 = CLI_ST_GETREQ;
William Lallemandf630d012018-12-13 09:05:44 +0100646 appctx->cli_level = bind_conf->level;
William Lallemand74c24fb2016-11-21 17:18:36 +0100647 }
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100648 else if (appctx->st0 == CLI_ST_END) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100649 /* Let's close for real now. We just close the request
650 * side, the conditions below will complete if needed.
651 */
652 si_shutw(si);
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200653 free_trash_chunk(appctx->chunk);
William Lallemand74c24fb2016-11-21 17:18:36 +0100654 break;
655 }
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100656 else if (appctx->st0 == CLI_ST_GETREQ) {
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200657 char *str;
658
659 /* use a trash chunk to store received data */
660 if (!appctx->chunk) {
661 appctx->chunk = alloc_trash_chunk();
662 if (!appctx->chunk) {
663 appctx->st0 = CLI_ST_END;
664 continue;
665 }
666 }
667
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200668 str = appctx->chunk->area + appctx->chunk->data;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200669
William Lallemand74c24fb2016-11-21 17:18:36 +0100670 /* ensure we have some output room left in the event we
671 * would want to return some info right after parsing.
672 */
673 if (buffer_almost_full(si_ib(si))) {
Willy Tarreaudb398432018-11-15 11:08:52 +0100674 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100675 break;
676 }
677
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200678 /* '- 1' is to ensure a null byte can always be inserted at the end */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200679 reql = co_getline(si_oc(si), str,
680 appctx->chunk->size - appctx->chunk->data - 1);
William Lallemand74c24fb2016-11-21 17:18:36 +0100681 if (reql <= 0) { /* closed or EOL not found */
682 if (reql == 0)
683 break;
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100684 appctx->st0 = CLI_ST_END;
William Lallemand74c24fb2016-11-21 17:18:36 +0100685 continue;
686 }
687
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200688 if (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)) {
689 /* seek for a possible unescaped semi-colon. If we find
690 * one, we replace it with an LF and skip only this part.
691 */
692 for (len = 0; len < reql; len++) {
693 if (str[len] == '\\') {
694 len++;
695 continue;
696 }
697 if (str[len] == ';') {
698 str[len] = '\n';
699 reql = len + 1;
700 break;
701 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100702 }
703 }
704
705 /* now it is time to check that we have a full line,
706 * remove the trailing \n and possibly \r, then cut the
707 * line.
708 */
709 len = reql - 1;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200710 if (str[len] != '\n') {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100711 appctx->st0 = CLI_ST_END;
William Lallemand74c24fb2016-11-21 17:18:36 +0100712 continue;
713 }
714
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200715 if (len && str[len-1] == '\r')
William Lallemand74c24fb2016-11-21 17:18:36 +0100716 len--;
717
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200718 str[len] = '\0';
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200719 appctx->chunk->data += len;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200720
721 if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200722 appctx->chunk->area[appctx->chunk->data] = '\n';
723 appctx->chunk->area[appctx->chunk->data + 1] = 0;
724 appctx->chunk->data++;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200725 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100726
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100727 appctx->st0 = CLI_ST_PROMPT;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200728
729 if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) {
730 /* empty line */
731 if (!len) {
732 /* remove the last two \n */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200733 appctx->chunk->data -= 2;
734 appctx->chunk->area[appctx->chunk->data] = 0;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200735
736 if (!cli_parse_request(appctx))
737 cli_gen_usage_msg(appctx);
738
739 chunk_reset(appctx->chunk);
740 /* NB: cli_sock_parse_request() may have put
741 * another CLI_ST_O_* into appctx->st0.
742 */
743
744 appctx->st1 &= ~APPCTX_CLI_ST1_PAYLOAD;
William Lallemand74c24fb2016-11-21 17:18:36 +0100745 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100746 }
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200747 else {
748 /*
749 * Look for the "payload start" pattern at the end of a line
750 * Its location is not remembered here, this is just to switch
751 * to a gathering mode.
William Lallemand74c24fb2016-11-21 17:18:36 +0100752 */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200753 if (!strcmp(appctx->chunk->area + appctx->chunk->data - strlen(PAYLOAD_PATTERN), PAYLOAD_PATTERN))
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200754 appctx->st1 |= APPCTX_CLI_ST1_PAYLOAD;
Andjelko Iharosc3680ec2017-07-20 16:49:14 +0200755 else {
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200756 /* no payload, the command is complete: parse the request */
757 if (!cli_parse_request(appctx))
758 cli_gen_usage_msg(appctx);
759
760 chunk_reset(appctx->chunk);
Andjelko Iharosc3680ec2017-07-20 16:49:14 +0200761 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100762 }
763
764 /* re-adjust req buffer */
Willy Tarreau06d80a92017-10-19 14:32:15 +0200765 co_skip(si_oc(si), reql);
William Lallemand74c24fb2016-11-21 17:18:36 +0100766 req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */
767 }
768 else { /* output functions */
Willy Tarreaud50c7fe2019-08-09 09:57:36 +0200769 const char *msg;
770 int sev;
771
William Lallemand74c24fb2016-11-21 17:18:36 +0100772 switch (appctx->st0) {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100773 case CLI_ST_PROMPT:
William Lallemand74c24fb2016-11-21 17:18:36 +0100774 break;
Willy Tarreaud50c7fe2019-08-09 09:57:36 +0200775 case CLI_ST_PRINT: /* print const message in msg */
776 case CLI_ST_PRINT_ERR: /* print const error in msg */
777 case CLI_ST_PRINT_DYN: /* print dyn message in msg, free */
778 case CLI_ST_PRINT_FREE: /* print dyn error in err, free */
779 if (appctx->st0 == CLI_ST_PRINT || appctx->st0 == CLI_ST_PRINT_ERR) {
780 sev = appctx->st0 == CLI_ST_PRINT_ERR ?
781 LOG_ERR : appctx->ctx.cli.severity;
782 msg = appctx->ctx.cli.msg;
783 }
784 else if (appctx->st0 == CLI_ST_PRINT_DYN || appctx->st0 == CLI_ST_PRINT_FREE) {
785 sev = appctx->st0 == CLI_ST_PRINT_FREE ?
786 LOG_ERR : appctx->ctx.cli.severity;
787 msg = appctx->ctx.cli.err;
788 if (!msg) {
789 sev = LOG_ERR;
790 msg = "Out of memory.\n";
791 }
792 }
793 else {
794 sev = LOG_ERR;
795 msg = "Internal error.\n";
796 }
Aurélien Nephtalic511b7c2018-04-16 18:50:19 +0200797
Willy Tarreaud50c7fe2019-08-09 09:57:36 +0200798 if (cli_output_msg(res, msg, sev, cli_get_severity_output(appctx)) != -1) {
799 if (appctx->st0 == CLI_ST_PRINT_FREE ||
800 appctx->st0 == CLI_ST_PRINT_DYN) {
801 free(appctx->ctx.cli.err);
802 appctx->ctx.cli.err = NULL;
803 }
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100804 appctx->st0 = CLI_ST_PROMPT;
William Lallemand74c24fb2016-11-21 17:18:36 +0100805 }
806 else
Willy Tarreaudb398432018-11-15 11:08:52 +0100807 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100808 break;
Willy Tarreaud50c7fe2019-08-09 09:57:36 +0200809
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100810 case CLI_ST_CALLBACK: /* use custom pointer */
William Lallemand74c24fb2016-11-21 17:18:36 +0100811 if (appctx->io_handler)
812 if (appctx->io_handler(appctx)) {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100813 appctx->st0 = CLI_ST_PROMPT;
William Lallemand74c24fb2016-11-21 17:18:36 +0100814 if (appctx->io_release) {
815 appctx->io_release(appctx);
816 appctx->io_release = NULL;
817 }
818 }
819 break;
820 default: /* abnormal state */
821 si->flags |= SI_FL_ERR;
822 break;
823 }
824
825 /* The post-command prompt is either LF alone or LF + '> ' in interactive mode */
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100826 if (appctx->st0 == CLI_ST_PROMPT) {
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200827 const char *prompt = "";
828
829 if (appctx->st1 & APPCTX_CLI_ST1_PROMPT) {
830 /*
831 * when entering a payload with interactive mode, change the prompt
832 * to emphasize that more data can still be sent
833 */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200834 if (appctx->chunk->data && appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200835 prompt = "+ ";
836 else
837 prompt = "\n> ";
838 }
839 else {
William Lallemandad032882019-07-01 10:56:15 +0200840 if (!(appctx->st1 & (APPCTX_CLI_ST1_PAYLOAD|APPCTX_CLI_ST1_NOLF)))
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200841 prompt = "\n";
842 }
843
844 if (ci_putstr(si_ic(si), prompt) != -1)
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100845 appctx->st0 = CLI_ST_GETREQ;
William Lallemand74c24fb2016-11-21 17:18:36 +0100846 else
Willy Tarreaudb398432018-11-15 11:08:52 +0100847 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100848 }
849
850 /* If the output functions are still there, it means they require more room. */
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100851 if (appctx->st0 >= CLI_ST_OUTPUT)
William Lallemand74c24fb2016-11-21 17:18:36 +0100852 break;
853
854 /* Now we close the output if one of the writers did so,
855 * or if we're not in interactive mode and the request
856 * buffer is empty. This still allows pipelined requests
857 * to be sent in non-interactive mode.
858 */
William Lallemand3de09d52018-12-11 16:10:56 +0100859 if (((res->flags & (CF_SHUTW|CF_SHUTW_NOW))) ||
860 (!(appctx->st1 & APPCTX_CLI_ST1_PROMPT) && !co_data(req) && (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)))) {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100861 appctx->st0 = CLI_ST_END;
William Lallemand74c24fb2016-11-21 17:18:36 +0100862 continue;
863 }
864
865 /* switch state back to GETREQ to read next requests */
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100866 appctx->st0 = CLI_ST_GETREQ;
William Lallemandad032882019-07-01 10:56:15 +0200867 /* reactivate the \n at the end of the response for the next command */
868 appctx->st1 &= ~APPCTX_CLI_ST1_NOLF;
William Lallemand74c24fb2016-11-21 17:18:36 +0100869 }
870 }
871
872 if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST)) {
873 DPRINTF(stderr, "%s@%d: si to buf closed. req=%08x, res=%08x, st=%d\n",
874 __FUNCTION__, __LINE__, req->flags, res->flags, si->state);
875 /* Other side has closed, let's abort if we have no more processing to do
876 * and nothing more to consume. This is comparable to a broken pipe, so
877 * we forward the close to the request side so that it flows upstream to
878 * the client.
879 */
880 si_shutw(si);
881 }
882
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100883 if ((req->flags & CF_SHUTW) && (si->state == SI_ST_EST) && (appctx->st0 < CLI_ST_OUTPUT)) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100884 DPRINTF(stderr, "%s@%d: buf to si closed. req=%08x, res=%08x, st=%d\n",
885 __FUNCTION__, __LINE__, req->flags, res->flags, si->state);
886 /* We have no more processing to do, and nothing more to send, and
887 * the client side has closed. So we'll forward this state downstream
888 * on the response buffer.
889 */
890 si_shutr(si);
891 res->flags |= CF_READ_NULL;
892 }
893
894 out:
Christopher Faulet45073512018-07-20 10:16:29 +0200895 DPRINTF(stderr, "%s@%d: st=%d, rqf=%x, rpf=%x, rqh=%lu, rqs=%lu, rh=%lu, rs=%lu\n",
William Lallemand74c24fb2016-11-21 17:18:36 +0100896 __FUNCTION__, __LINE__,
Christopher Faulet45073512018-07-20 10:16:29 +0200897 si->state, req->flags, res->flags, ci_data(req), co_data(req), ci_data(res), co_data(res));
William Lallemand74c24fb2016-11-21 17:18:36 +0100898}
899
William Lallemand74c24fb2016-11-21 17:18:36 +0100900/* This is called when the stream interface is closed. For instance, upon an
901 * external abort, we won't call the i/o handler anymore so we may need to
902 * remove back references to the stream currently being dumped.
903 */
904static void cli_release_handler(struct appctx *appctx)
905{
906 if (appctx->io_release) {
907 appctx->io_release(appctx);
908 appctx->io_release = NULL;
909 }
Willy Tarreaud50c7fe2019-08-09 09:57:36 +0200910 else if (appctx->st0 == CLI_ST_PRINT_FREE || appctx->st0 == CLI_ST_PRINT_DYN) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100911 free(appctx->ctx.cli.err);
912 appctx->ctx.cli.err = NULL;
913 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100914}
915
916/* This function dumps all environmnent variables to the buffer. It returns 0
917 * if the output buffer is full and it needs to be called again, otherwise
Willy Tarreauf6710f82016-12-16 17:45:44 +0100918 * non-zero. Dumps only one entry if st2 == STAT_ST_END. It uses cli.p0 as the
919 * pointer to the current variable.
William Lallemand74c24fb2016-11-21 17:18:36 +0100920 */
Willy Tarreau0a739292016-11-22 20:21:23 +0100921static int cli_io_handler_show_env(struct appctx *appctx)
William Lallemand74c24fb2016-11-21 17:18:36 +0100922{
Willy Tarreau0a739292016-11-22 20:21:23 +0100923 struct stream_interface *si = appctx->owner;
Willy Tarreauf6710f82016-12-16 17:45:44 +0100924 char **var = appctx->ctx.cli.p0;
William Lallemand74c24fb2016-11-21 17:18:36 +0100925
926 if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
927 return 1;
928
929 chunk_reset(&trash);
930
931 /* we have two inner loops here, one for the proxy, the other one for
932 * the buffer.
933 */
Willy Tarreauf6710f82016-12-16 17:45:44 +0100934 while (*var) {
935 chunk_printf(&trash, "%s\n", *var);
William Lallemand74c24fb2016-11-21 17:18:36 +0100936
Willy Tarreau06d80a92017-10-19 14:32:15 +0200937 if (ci_putchk(si_ic(si), &trash) == -1) {
Willy Tarreaudb398432018-11-15 11:08:52 +0100938 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100939 return 0;
940 }
941 if (appctx->st2 == STAT_ST_END)
942 break;
Willy Tarreauf6710f82016-12-16 17:45:44 +0100943 var++;
944 appctx->ctx.cli.p0 = var;
William Lallemand74c24fb2016-11-21 17:18:36 +0100945 }
946
947 /* dump complete */
948 return 1;
949}
950
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200951/* This function dumps all file descriptors states (or the requested one) to
952 * the buffer. It returns 0 if the output buffer is full and it needs to be
953 * called again, otherwise non-zero. Dumps only one entry if st2 == STAT_ST_END.
954 * It uses cli.i0 as the fd number to restart from.
955 */
956static int cli_io_handler_show_fd(struct appctx *appctx)
957{
958 struct stream_interface *si = appctx->owner;
959 int fd = appctx->ctx.cli.i0;
Willy Tarreauca1b1572018-12-18 15:45:11 +0100960 int ret = 1;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200961
962 if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
Willy Tarreauca1b1572018-12-18 15:45:11 +0100963 goto end;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200964
965 chunk_reset(&trash);
966
Willy Tarreauca1b1572018-12-18 15:45:11 +0100967 /* isolate the threads once per round. We're limited to a buffer worth
968 * of output anyway, it cannot last very long.
969 */
970 thread_isolate();
971
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200972 /* we have two inner loops here, one for the proxy, the other one for
973 * the buffer.
974 */
Aurélien Nephtali498a1152018-03-09 18:51:16 +0100975 while (fd >= 0 && fd < global.maxsock) {
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200976 struct fdtab fdt;
Willy Tarreau286ec682017-08-09 16:35:44 +0200977 struct listener *li = NULL;
978 struct server *sv = NULL;
979 struct proxy *px = NULL;
Willy Tarreaua833cd92018-03-29 13:19:37 +0200980 const struct mux_ops *mux = NULL;
Willy Tarreau35b1b482018-03-28 18:41:30 +0200981 void *ctx = NULL;
Willy Tarreau286ec682017-08-09 16:35:44 +0200982 uint32_t conn_flags = 0;
Willy Tarreaue9ca8072018-12-19 18:40:58 +0100983 int is_back = 0;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200984
985 fdt = fdtab[fd];
986
Willy Tarreauca1b1572018-12-18 15:45:11 +0100987 if (!fdt.owner)
Willy Tarreau017af242017-10-04 20:24:54 +0200988 goto skip; // closed
989
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200990 if (fdt.iocb == conn_fd_handler) {
991 conn_flags = ((struct connection *)fdt.owner)->flags;
Willy Tarreau35b1b482018-03-28 18:41:30 +0200992 mux = ((struct connection *)fdt.owner)->mux;
Willy Tarreau3d2ee552018-12-19 14:12:10 +0100993 ctx = ((struct connection *)fdt.owner)->ctx;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200994 li = objt_listener(((struct connection *)fdt.owner)->target);
995 sv = objt_server(((struct connection *)fdt.owner)->target);
996 px = objt_proxy(((struct connection *)fdt.owner)->target);
Willy Tarreaue9ca8072018-12-19 18:40:58 +0100997 is_back = conn_is_back((struct connection *)fdt.owner);
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200998 }
999 else if (fdt.iocb == listener_accept)
1000 li = fdt.owner;
1001
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001002 chunk_printf(&trash,
Willy Tarreau5bee3e22019-09-04 09:52:57 +02001003 " %5d : st=0x%02x(R:%c%c W:%c%c) ev=0x%02x(%c%c%c%c%c) [%c%c] tmask=0x%lx umask=0x%lx owner=%p iocb=%p(%s)",
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001004 fd,
1005 fdt.state,
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001006 (fdt.state & FD_EV_READY_R) ? 'R' : 'r',
1007 (fdt.state & FD_EV_ACTIVE_R) ? 'A' : 'a',
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001008 (fdt.state & FD_EV_READY_W) ? 'R' : 'r',
1009 (fdt.state & FD_EV_ACTIVE_W) ? 'A' : 'a',
1010 fdt.ev,
1011 (fdt.ev & FD_POLL_HUP) ? 'H' : 'h',
1012 (fdt.ev & FD_POLL_ERR) ? 'E' : 'e',
1013 (fdt.ev & FD_POLL_OUT) ? 'O' : 'o',
1014 (fdt.ev & FD_POLL_PRI) ? 'P' : 'p',
1015 (fdt.ev & FD_POLL_IN) ? 'I' : 'i',
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001016 fdt.linger_risk ? 'L' : 'l',
1017 fdt.cloned ? 'C' : 'c',
Willy Tarreauc754b342018-03-30 15:00:15 +02001018 fdt.thread_mask, fdt.update_mask,
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001019 fdt.owner,
1020 fdt.iocb,
1021 (fdt.iocb == conn_fd_handler) ? "conn_fd_handler" :
1022 (fdt.iocb == dgram_fd_handler) ? "dgram_fd_handler" :
1023 (fdt.iocb == listener_accept) ? "listener_accept" :
Olivier Houchard79321b92018-07-26 17:55:11 +02001024 (fdt.iocb == poller_pipe_io_handler) ? "poller_pipe_io_handler" :
William Lallemanddb6bdfb2018-11-20 17:36:51 +01001025 (fdt.iocb == mworker_accept_wrapper) ? "mworker_accept_wrapper" :
Emeric Brund0e095c2019-04-19 17:15:28 +02001026#ifdef USE_OPENSSL
Willy Tarreau5db847a2019-05-09 14:13:35 +02001027#if (HA_OPENSSL_VERSION_NUMBER >= 0x1010000fL) && !defined(OPENSSL_NO_ASYNC)
Emeric Brund0e095c2019-04-19 17:15:28 +02001028 (fdt.iocb == ssl_async_fd_free) ? "ssl_async_fd_free" :
1029 (fdt.iocb == ssl_async_fd_handler) ? "ssl_async_fd_handler" :
1030#endif
1031#endif
Willy Tarreauc754b342018-03-30 15:00:15 +02001032 "unknown");
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001033
1034 if (fdt.iocb == conn_fd_handler) {
Willy Tarreaue9ca8072018-12-19 18:40:58 +01001035 chunk_appendf(&trash, " back=%d cflg=0x%08x", is_back, conn_flags);
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001036 if (px)
1037 chunk_appendf(&trash, " px=%s", px->id);
1038 else if (sv)
1039 chunk_appendf(&trash, " sv=%s/%s", sv->id, sv->proxy->id);
1040 else if (li)
1041 chunk_appendf(&trash, " fe=%s", li->bind_conf->frontend->id);
Willy Tarreau35b1b482018-03-28 18:41:30 +02001042
Willy Tarreaub011d8f2018-03-30 14:41:19 +02001043 if (mux) {
Willy Tarreau3d2ee552018-12-19 14:12:10 +01001044 chunk_appendf(&trash, " mux=%s ctx=%p", mux->name, ctx);
Willy Tarreaub011d8f2018-03-30 14:41:19 +02001045 if (mux->show_fd)
1046 mux->show_fd(&trash, fdt.owner);
1047 }
Willy Tarreau35b1b482018-03-28 18:41:30 +02001048 else
1049 chunk_appendf(&trash, " nomux");
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001050 }
1051 else if (fdt.iocb == listener_accept) {
1052 chunk_appendf(&trash, " l.st=%s fe=%s",
1053 listener_state_str(li),
1054 li->bind_conf->frontend->id);
1055 }
1056
1057 chunk_appendf(&trash, "\n");
1058
Willy Tarreau06d80a92017-10-19 14:32:15 +02001059 if (ci_putchk(si_ic(si), &trash) == -1) {
Willy Tarreaudb398432018-11-15 11:08:52 +01001060 si_rx_room_blk(si);
Willy Tarreauca1b1572018-12-18 15:45:11 +01001061 appctx->ctx.cli.i0 = fd;
1062 ret = 0;
1063 break;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001064 }
1065 skip:
1066 if (appctx->st2 == STAT_ST_END)
1067 break;
1068
1069 fd++;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001070 }
1071
Willy Tarreauca1b1572018-12-18 15:45:11 +01001072 end:
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001073 /* dump complete */
Willy Tarreauca1b1572018-12-18 15:45:11 +01001074
1075 thread_release();
1076 return ret;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001077}
1078
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001079/* This function dumps some activity counters used by developers and support to
1080 * rule out some hypothesis during bug reports. It returns 0 if the output
1081 * buffer is full and it needs to be called again, otherwise non-zero. It dumps
1082 * everything at once in the buffer and is not designed to do it in multiple
1083 * passes.
1084 */
1085static int cli_io_handler_show_activity(struct appctx *appctx)
1086{
1087 struct stream_interface *si = appctx->owner;
1088 int thr;
1089
1090 if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
1091 return 1;
1092
1093 chunk_reset(&trash);
1094
Willy Tarreaud78d08f2019-05-28 16:32:06 +02001095#undef SHOW_TOT
1096#define SHOW_TOT(t, x) \
Willy Tarreaua0211b82019-05-28 15:09:08 +02001097 do { \
1098 unsigned int _v[MAX_THREADS]; \
1099 unsigned int _tot; \
1100 const unsigned int _nbt = global.nbthread; \
1101 for (_tot = t = 0; t < _nbt; t++) \
1102 _tot += _v[t] = (x); \
1103 if (_nbt == 1) { \
1104 chunk_appendf(&trash, " %u\n", _tot); \
1105 break; \
1106 } \
1107 chunk_appendf(&trash, " %u [", _tot); \
1108 for (t = 0; t < _nbt; t++) \
1109 chunk_appendf(&trash, " %u", _v[t]); \
1110 chunk_appendf(&trash, " ]\n"); \
1111 } while (0)
1112
Willy Tarreaud78d08f2019-05-28 16:32:06 +02001113#undef SHOW_AVG
1114#define SHOW_AVG(t, x) \
1115 do { \
1116 unsigned int _v[MAX_THREADS]; \
1117 unsigned int _tot; \
1118 const unsigned int _nbt = global.nbthread; \
1119 for (_tot = t = 0; t < _nbt; t++) \
1120 _tot += _v[t] = (x); \
1121 if (_nbt == 1) { \
1122 chunk_appendf(&trash, " %u\n", _tot); \
1123 break; \
1124 } \
1125 chunk_appendf(&trash, " %u [", (_tot + _nbt/2) / _nbt); \
1126 for (t = 0; t < _nbt; t++) \
1127 chunk_appendf(&trash, " %u", _v[t]); \
1128 chunk_appendf(&trash, " ]\n"); \
1129 } while (0)
1130
Willy Tarreaua0211b82019-05-28 15:09:08 +02001131 chunk_appendf(&trash, "thread_id: %u (%u..%u)\n", tid + 1, 1, global.nbthread);
1132 chunk_appendf(&trash, "date_now: %lu.%06lu\n", (long)now.tv_sec, (long)now.tv_usec);
Willy Tarreaud78d08f2019-05-28 16:32:06 +02001133 chunk_appendf(&trash, "loops:"); SHOW_TOT(thr, activity[thr].loops);
Willy Tarreaud78d08f2019-05-28 16:32:06 +02001134 chunk_appendf(&trash, "wake_tasks:"); SHOW_TOT(thr, activity[thr].wake_tasks);
1135 chunk_appendf(&trash, "wake_signal:"); SHOW_TOT(thr, activity[thr].wake_signal);
1136 chunk_appendf(&trash, "poll_exp:"); SHOW_TOT(thr, activity[thr].poll_exp);
1137 chunk_appendf(&trash, "poll_drop:"); SHOW_TOT(thr, activity[thr].poll_drop);
1138 chunk_appendf(&trash, "poll_dead:"); SHOW_TOT(thr, activity[thr].poll_dead);
1139 chunk_appendf(&trash, "poll_skip:"); SHOW_TOT(thr, activity[thr].poll_skip);
1140 chunk_appendf(&trash, "fd_lock:"); SHOW_TOT(thr, activity[thr].fd_lock);
1141 chunk_appendf(&trash, "conn_dead:"); SHOW_TOT(thr, activity[thr].conn_dead);
1142 chunk_appendf(&trash, "stream:"); SHOW_TOT(thr, activity[thr].stream);
Willy Tarreaua8b2ce02019-05-28 17:04:16 +02001143 chunk_appendf(&trash, "pool_fail:"); SHOW_TOT(thr, activity[thr].pool_fail);
1144 chunk_appendf(&trash, "buf_wait:"); SHOW_TOT(thr, activity[thr].buf_wait);
Willy Tarreaud78d08f2019-05-28 16:32:06 +02001145 chunk_appendf(&trash, "empty_rq:"); SHOW_TOT(thr, activity[thr].empty_rq);
1146 chunk_appendf(&trash, "long_rq:"); SHOW_TOT(thr, activity[thr].long_rq);
1147 chunk_appendf(&trash, "ctxsw:"); SHOW_TOT(thr, activity[thr].ctxsw);
1148 chunk_appendf(&trash, "tasksw:"); SHOW_TOT(thr, activity[thr].tasksw);
1149 chunk_appendf(&trash, "cpust_ms_tot:"); SHOW_TOT(thr, activity[thr].cpust_total / 2);
1150 chunk_appendf(&trash, "cpust_ms_1s:"); SHOW_TOT(thr, read_freq_ctr(&activity[thr].cpust_1s) / 2);
1151 chunk_appendf(&trash, "cpust_ms_15s:"); SHOW_TOT(thr, read_freq_ctr_period(&activity[thr].cpust_15s, 15000) / 2);
1152 chunk_appendf(&trash, "avg_loop_us:"); SHOW_AVG(thr, swrate_avg(activity[thr].avg_loop_us, TIME_STATS_SAMPLES));
1153 chunk_appendf(&trash, "accepted:"); SHOW_TOT(thr, activity[thr].accepted);
1154 chunk_appendf(&trash, "accq_pushed:"); SHOW_TOT(thr, activity[thr].accq_pushed);
1155 chunk_appendf(&trash, "accq_full:"); SHOW_TOT(thr, activity[thr].accq_full);
Willy Tarreaue6182842019-04-15 18:54:10 +02001156#ifdef USE_THREAD
Willy Tarreaud78d08f2019-05-28 16:32:06 +02001157 chunk_appendf(&trash, "accq_ring:"); SHOW_TOT(thr, (accept_queue_rings[thr].tail - accept_queue_rings[thr].head + ACCEPT_QUEUE_SIZE) % ACCEPT_QUEUE_SIZE);
Willy Tarreaue6182842019-04-15 18:54:10 +02001158#endif
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001159
Willy Tarreaud6a78502019-05-27 07:03:38 +02001160#if defined(DEBUG_DEV)
1161 /* keep these ones at the end */
Willy Tarreaud78d08f2019-05-28 16:32:06 +02001162 chunk_appendf(&trash, "ctr0:"); SHOW_TOT(thr, activity[thr].ctr0);
1163 chunk_appendf(&trash, "ctr1:"); SHOW_TOT(thr, activity[thr].ctr1);
1164 chunk_appendf(&trash, "ctr2:"); SHOW_TOT(thr, activity[thr].ctr2);
Willy Tarreaud6a78502019-05-27 07:03:38 +02001165#endif
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001166
1167 if (ci_putchk(si_ic(si), &trash) == -1) {
1168 chunk_reset(&trash);
1169 chunk_printf(&trash, "[output too large, cannot dump]\n");
Willy Tarreaudb398432018-11-15 11:08:52 +01001170 si_rx_room_blk(si);
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001171 }
1172
Willy Tarreaud78d08f2019-05-28 16:32:06 +02001173#undef SHOW_AVG
1174#undef SHOW_TOT
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001175 /* dump complete */
1176 return 1;
1177}
1178
William Lallemandeceddf72016-12-15 18:06:44 +01001179/*
Willy Tarreau3af9d832016-12-16 12:58:09 +01001180 * CLI IO handler for `show cli sockets`.
1181 * Uses ctx.cli.p0 to store the restart pointer.
William Lallemandeceddf72016-12-15 18:06:44 +01001182 */
1183static int cli_io_handler_show_cli_sock(struct appctx *appctx)
1184{
1185 struct bind_conf *bind_conf;
1186 struct stream_interface *si = appctx->owner;
1187
1188 chunk_reset(&trash);
1189
1190 switch (appctx->st2) {
1191 case STAT_ST_INIT:
1192 chunk_printf(&trash, "# socket lvl processes\n");
Willy Tarreau06d80a92017-10-19 14:32:15 +02001193 if (ci_putchk(si_ic(si), &trash) == -1) {
Willy Tarreaudb398432018-11-15 11:08:52 +01001194 si_rx_room_blk(si);
William Lallemandeceddf72016-12-15 18:06:44 +01001195 return 0;
1196 }
William Lallemandeceddf72016-12-15 18:06:44 +01001197 appctx->st2 = STAT_ST_LIST;
1198
1199 case STAT_ST_LIST:
1200 if (global.stats_fe) {
1201 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
1202 struct listener *l;
1203
1204 /*
Willy Tarreau3af9d832016-12-16 12:58:09 +01001205 * get the latest dumped node in appctx->ctx.cli.p0
William Lallemandeceddf72016-12-15 18:06:44 +01001206 * if the current node is the first of the list
1207 */
1208
Willy Tarreau3af9d832016-12-16 12:58:09 +01001209 if (appctx->ctx.cli.p0 &&
1210 &bind_conf->by_fe == (&global.stats_fe->conf.bind)->n) {
William Lallemandeceddf72016-12-15 18:06:44 +01001211 /* change the current node to the latest dumped and continue the loop */
Willy Tarreau3af9d832016-12-16 12:58:09 +01001212 bind_conf = LIST_ELEM(appctx->ctx.cli.p0, typeof(bind_conf), by_fe);
William Lallemandeceddf72016-12-15 18:06:44 +01001213 continue;
1214 }
1215
1216 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
1217
1218 char addr[46];
1219 char port[6];
1220
1221 if (l->addr.ss_family == AF_UNIX) {
1222 const struct sockaddr_un *un;
1223
1224 un = (struct sockaddr_un *)&l->addr;
William Lallemande58915f2019-04-01 11:30:05 +02001225 if (un->sun_path[0] == '\0') {
William Lallemand75812a72019-04-01 11:30:04 +02001226 chunk_appendf(&trash, "abns@%s ", un->sun_path+1);
William Lallemande58915f2019-04-01 11:30:05 +02001227 } else {
1228 chunk_appendf(&trash, "unix@%s ", un->sun_path);
1229 }
William Lallemandeceddf72016-12-15 18:06:44 +01001230 } else if (l->addr.ss_family == AF_INET) {
1231 addr_to_str(&l->addr, addr, sizeof(addr));
1232 port_to_str(&l->addr, port, sizeof(port));
William Lallemande58915f2019-04-01 11:30:05 +02001233 chunk_appendf(&trash, "ipv4@%s:%s ", addr, port);
William Lallemandeceddf72016-12-15 18:06:44 +01001234 } else if (l->addr.ss_family == AF_INET6) {
1235 addr_to_str(&l->addr, addr, sizeof(addr));
1236 port_to_str(&l->addr, port, sizeof(port));
William Lallemande58915f2019-04-01 11:30:05 +02001237 chunk_appendf(&trash, "ipv6@[%s]:%s ", addr, port);
William Lallemand26314342018-10-26 14:47:41 +02001238 } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) {
1239 chunk_appendf(&trash, "sockpair@%d ", ((struct sockaddr_in *)&l->addr)->sin_addr.s_addr);
William Lallemandeceddf72016-12-15 18:06:44 +01001240 } else
William Lallemand26314342018-10-26 14:47:41 +02001241 chunk_appendf(&trash, "unknown ");
William Lallemandeceddf72016-12-15 18:06:44 +01001242
William Lallemand07a62f72017-05-24 00:57:40 +02001243 if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN)
William Lallemandeceddf72016-12-15 18:06:44 +01001244 chunk_appendf(&trash, "admin ");
William Lallemand07a62f72017-05-24 00:57:40 +02001245 else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER)
1246 chunk_appendf(&trash, "operator ");
1247 else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_USER)
1248 chunk_appendf(&trash, "user ");
William Lallemandeceddf72016-12-15 18:06:44 +01001249 else
1250 chunk_appendf(&trash, " ");
1251
1252 if (bind_conf->bind_proc != 0) {
1253 int pos;
Willy Tarreau20c5e522016-12-16 12:50:55 +01001254 for (pos = 0; pos < 8 * sizeof(bind_conf->bind_proc); pos++) {
Willy Tarreau4305ac72016-12-16 12:56:31 +01001255 if (bind_conf->bind_proc & (1UL << pos)) {
William Lallemandeceddf72016-12-15 18:06:44 +01001256 chunk_appendf(&trash, "%d,", pos+1);
1257 }
1258 }
1259 /* replace the latest comma by a newline */
Willy Tarreau843b7cb2018-07-13 10:54:26 +02001260 trash.area[trash.data-1] = '\n';
William Lallemandeceddf72016-12-15 18:06:44 +01001261
1262 } else {
1263 chunk_appendf(&trash, "all\n");
1264 }
1265
Willy Tarreau06d80a92017-10-19 14:32:15 +02001266 if (ci_putchk(si_ic(si), &trash) == -1) {
Willy Tarreaudb398432018-11-15 11:08:52 +01001267 si_rx_room_blk(si);
William Lallemandeceddf72016-12-15 18:06:44 +01001268 return 0;
1269 }
1270 }
Willy Tarreau3af9d832016-12-16 12:58:09 +01001271 appctx->ctx.cli.p0 = &bind_conf->by_fe; /* store the latest list node dumped */
William Lallemandeceddf72016-12-15 18:06:44 +01001272 }
1273 }
1274 default:
1275 appctx->st2 = STAT_ST_FIN;
1276 return 1;
1277 }
1278}
1279
1280
Willy Tarreau0a739292016-11-22 20:21:23 +01001281/* parse a "show env" CLI request. Returns 0 if it needs to continue, 1 if it
Willy Tarreauf6710f82016-12-16 17:45:44 +01001282 * wants to stop here. It puts the variable to be dumped into cli.p0 if a single
1283 * variable is requested otherwise puts environ there.
Willy Tarreau0a739292016-11-22 20:21:23 +01001284 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001285static int cli_parse_show_env(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau0a739292016-11-22 20:21:23 +01001286{
1287 extern char **environ;
Willy Tarreauf6710f82016-12-16 17:45:44 +01001288 char **var;
Willy Tarreau0a739292016-11-22 20:21:23 +01001289
1290 if (!cli_has_level(appctx, ACCESS_LVL_OPER))
1291 return 1;
1292
Willy Tarreauf6710f82016-12-16 17:45:44 +01001293 var = environ;
Willy Tarreau0a739292016-11-22 20:21:23 +01001294
1295 if (*args[2]) {
1296 int len = strlen(args[2]);
1297
Willy Tarreauf6710f82016-12-16 17:45:44 +01001298 for (; *var; var++) {
1299 if (strncmp(*var, args[2], len) == 0 &&
1300 (*var)[len] == '=')
Willy Tarreau0a739292016-11-22 20:21:23 +01001301 break;
1302 }
Willy Tarreau9d008692019-08-09 11:21:01 +02001303 if (!*var)
1304 return cli_err(appctx, "Variable not found\n");
1305
Willy Tarreau0a739292016-11-22 20:21:23 +01001306 appctx->st2 = STAT_ST_END;
1307 }
Willy Tarreauf6710f82016-12-16 17:45:44 +01001308 appctx->ctx.cli.p0 = var;
Willy Tarreau0a739292016-11-22 20:21:23 +01001309 return 0;
1310}
1311
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001312/* parse a "show fd" CLI request. Returns 0 if it needs to continue, 1 if it
1313 * wants to stop here. It puts the FD number into cli.i0 if a specific FD is
1314 * requested and sets st2 to STAT_ST_END, otherwise leaves 0 in i0.
1315 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001316static int cli_parse_show_fd(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001317{
1318 if (!cli_has_level(appctx, ACCESS_LVL_OPER))
1319 return 1;
1320
1321 appctx->ctx.cli.i0 = 0;
1322
1323 if (*args[2]) {
1324 appctx->ctx.cli.i0 = atoi(args[2]);
1325 appctx->st2 = STAT_ST_END;
1326 }
1327 return 0;
1328}
1329
Willy Tarreau599852e2016-11-22 20:33:32 +01001330/* parse a "set timeout" CLI request. It always returns 1. */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001331static int cli_parse_set_timeout(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau599852e2016-11-22 20:33:32 +01001332{
1333 struct stream_interface *si = appctx->owner;
1334 struct stream *s = si_strm(si);
1335
1336 if (strcmp(args[2], "cli") == 0) {
1337 unsigned timeout;
1338 const char *res;
1339
Willy Tarreau9d008692019-08-09 11:21:01 +02001340 if (!*args[3])
1341 return cli_err(appctx, "Expects an integer value.\n");
Willy Tarreau599852e2016-11-22 20:33:32 +01001342
1343 res = parse_time_err(args[3], &timeout, TIME_UNIT_S);
Willy Tarreau9d008692019-08-09 11:21:01 +02001344 if (res || timeout < 1)
1345 return cli_err(appctx, "Invalid timeout value.\n");
Willy Tarreau599852e2016-11-22 20:33:32 +01001346
1347 s->req.rto = s->res.wto = 1 + MS_TO_TICKS(timeout*1000);
1348 task_wakeup(s->task, TASK_WOKEN_MSG); // recompute timeouts
1349 return 1;
1350 }
Willy Tarreau9d008692019-08-09 11:21:01 +02001351
1352 return cli_err(appctx, "'set timeout' only supports 'cli'.\n");
Willy Tarreau599852e2016-11-22 20:33:32 +01001353}
1354
Willy Tarreau2af99412016-11-23 11:10:59 +01001355/* parse a "set maxconn global" command. It always returns 1. */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001356static int cli_parse_set_maxconn_global(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau2af99412016-11-23 11:10:59 +01001357{
1358 int v;
1359
1360 if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
1361 return 1;
1362
Willy Tarreau9d008692019-08-09 11:21:01 +02001363 if (!*args[3])
1364 return cli_err(appctx, "Expects an integer value.\n");
Willy Tarreau2af99412016-11-23 11:10:59 +01001365
1366 v = atoi(args[3]);
Willy Tarreau9d008692019-08-09 11:21:01 +02001367 if (v > global.hardmaxconn)
1368 return cli_err(appctx, "Value out of range.\n");
Willy Tarreau2af99412016-11-23 11:10:59 +01001369
1370 /* check for unlimited values */
1371 if (v <= 0)
1372 v = global.hardmaxconn;
1373
1374 global.maxconn = v;
1375
1376 /* Dequeues all of the listeners waiting for a resource */
1377 if (!LIST_ISEMPTY(&global_listener_queue))
1378 dequeue_all_listeners(&global_listener_queue);
1379
1380 return 1;
1381}
1382
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02001383static int set_severity_output(int *target, char *argument)
1384{
1385 if (!strcmp(argument, "none")) {
1386 *target = CLI_SEVERITY_NONE;
1387 return 1;
1388 }
1389 else if (!strcmp(argument, "number")) {
1390 *target = CLI_SEVERITY_NUMBER;
1391 return 1;
1392 }
1393 else if (!strcmp(argument, "string")) {
1394 *target = CLI_SEVERITY_STRING;
1395 return 1;
1396 }
1397 return 0;
1398}
1399
1400/* parse a "set severity-output" command. */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001401static int cli_parse_set_severity_output(char **args, char *payload, struct appctx *appctx, void *private)
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02001402{
1403 if (*args[2] && set_severity_output(&appctx->cli_severity_output, args[2]))
1404 return 0;
1405
Willy Tarreau9d008692019-08-09 11:21:01 +02001406 return cli_err(appctx, "one of 'none', 'number', 'string' is a required argument\n");
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02001407}
William Lallemandeceddf72016-12-15 18:06:44 +01001408
William Lallemand67a234f2018-12-13 09:05:45 +01001409
1410/* show the level of the current CLI session */
1411static int cli_parse_show_lvl(char **args, char *payload, struct appctx *appctx, void *private)
1412{
William Lallemand67a234f2018-12-13 09:05:45 +01001413 if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN)
Willy Tarreau9d008692019-08-09 11:21:01 +02001414 return cli_msg(appctx, LOG_INFO, "admin\n");
William Lallemand67a234f2018-12-13 09:05:45 +01001415 else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER)
Willy Tarreau9d008692019-08-09 11:21:01 +02001416 return cli_msg(appctx, LOG_INFO, "operator\n");
William Lallemand67a234f2018-12-13 09:05:45 +01001417 else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_USER)
Willy Tarreau9d008692019-08-09 11:21:01 +02001418 return cli_msg(appctx, LOG_INFO, "user\n");
William Lallemand67a234f2018-12-13 09:05:45 +01001419 else
Willy Tarreau9d008692019-08-09 11:21:01 +02001420 return cli_msg(appctx, LOG_INFO, "unknown\n");
William Lallemand67a234f2018-12-13 09:05:45 +01001421}
1422
1423/* parse and set the CLI level dynamically */
1424static int cli_parse_set_lvl(char **args, char *payload, struct appctx *appctx, void *private)
1425{
William Lallemandad032882019-07-01 10:56:15 +02001426 /* this will ask the applet to not output a \n after the command */
1427 if (!strcmp(args[1], "-"))
1428 appctx->st1 |= APPCTX_CLI_ST1_NOLF;
1429
William Lallemand67a234f2018-12-13 09:05:45 +01001430 if (!strcmp(args[0], "operator")) {
1431 if (!cli_has_level(appctx, ACCESS_LVL_OPER)) {
1432 return 1;
1433 }
1434 appctx->cli_level &= ~ACCESS_LVL_MASK;
1435 appctx->cli_level |= ACCESS_LVL_OPER;
1436
1437 } else if (!strcmp(args[0], "user")) {
1438 if (!cli_has_level(appctx, ACCESS_LVL_USER)) {
1439 return 1;
1440 }
1441 appctx->cli_level &= ~ACCESS_LVL_MASK;
1442 appctx->cli_level |= ACCESS_LVL_USER;
1443 }
1444 return 1;
1445}
1446
William Lallemanda57b7e32018-12-14 21:11:31 +01001447
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001448int cli_parse_default(char **args, char *payload, struct appctx *appctx, void *private)
William Lallemandeceddf72016-12-15 18:06:44 +01001449{
1450 return 0;
1451}
1452
Willy Tarreau45c742b2016-11-24 14:51:17 +01001453/* parse a "set rate-limit" command. It always returns 1. */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001454static int cli_parse_set_ratelimit(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau45c742b2016-11-24 14:51:17 +01001455{
1456 int v;
1457 int *res;
1458 int mul = 1;
1459
1460 if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
1461 return 1;
1462
1463 if (strcmp(args[2], "connections") == 0 && strcmp(args[3], "global") == 0)
1464 res = &global.cps_lim;
1465 else if (strcmp(args[2], "sessions") == 0 && strcmp(args[3], "global") == 0)
1466 res = &global.sps_lim;
1467#ifdef USE_OPENSSL
1468 else if (strcmp(args[2], "ssl-sessions") == 0 && strcmp(args[3], "global") == 0)
1469 res = &global.ssl_lim;
1470#endif
1471 else if (strcmp(args[2], "http-compression") == 0 && strcmp(args[3], "global") == 0) {
1472 res = &global.comp_rate_lim;
1473 mul = 1024;
1474 }
1475 else {
Willy Tarreau9d008692019-08-09 11:21:01 +02001476 return cli_err(appctx,
Willy Tarreau45c742b2016-11-24 14:51:17 +01001477 "'set rate-limit' only supports :\n"
1478 " - 'connections global' to set the per-process maximum connection rate\n"
1479 " - 'sessions global' to set the per-process maximum session rate\n"
1480#ifdef USE_OPENSSL
Aurélien Nephtalib53e2082018-03-11 16:55:02 +01001481 " - 'ssl-sessions global' to set the per-process maximum SSL session rate\n"
Willy Tarreau45c742b2016-11-24 14:51:17 +01001482#endif
Willy Tarreau9d008692019-08-09 11:21:01 +02001483 " - 'http-compression global' to set the per-process maximum compression speed in kB/s\n");
Willy Tarreau45c742b2016-11-24 14:51:17 +01001484 }
1485
Willy Tarreau9d008692019-08-09 11:21:01 +02001486 if (!*args[4])
1487 return cli_err(appctx, "Expects an integer value.\n");
Willy Tarreau45c742b2016-11-24 14:51:17 +01001488
1489 v = atoi(args[4]);
Willy Tarreau9d008692019-08-09 11:21:01 +02001490 if (v < 0)
1491 return cli_err(appctx, "Value out of range.\n");
Willy Tarreau45c742b2016-11-24 14:51:17 +01001492
1493 *res = v * mul;
1494
1495 /* Dequeues all of the listeners waiting for a resource */
1496 if (!LIST_ISEMPTY(&global_listener_queue))
1497 dequeue_all_listeners(&global_listener_queue);
1498
1499 return 1;
1500}
1501
William Lallemandf6975e92017-05-26 17:42:10 +02001502/* parse the "expose-fd" argument on the bind lines */
1503static int bind_parse_expose_fd(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
1504{
1505 if (!*args[cur_arg + 1]) {
1506 memprintf(err, "'%s' : missing fd type", args[cur_arg]);
1507 return ERR_ALERT | ERR_FATAL;
1508 }
1509 if (!strcmp(args[cur_arg+1], "listeners")) {
1510 conf->level |= ACCESS_FD_LISTENERS;
1511 } else {
1512 memprintf(err, "'%s' only supports 'listeners' (got '%s')",
1513 args[cur_arg], args[cur_arg+1]);
1514 return ERR_ALERT | ERR_FATAL;
1515 }
1516
1517 return 0;
1518}
1519
William Lallemand74c24fb2016-11-21 17:18:36 +01001520/* parse the "level" argument on the bind lines */
1521static int bind_parse_level(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
1522{
1523 if (!*args[cur_arg + 1]) {
1524 memprintf(err, "'%s' : missing level", args[cur_arg]);
1525 return ERR_ALERT | ERR_FATAL;
1526 }
1527
William Lallemand07a62f72017-05-24 00:57:40 +02001528 if (!strcmp(args[cur_arg+1], "user")) {
1529 conf->level &= ~ACCESS_LVL_MASK;
1530 conf->level |= ACCESS_LVL_USER;
1531 } else if (!strcmp(args[cur_arg+1], "operator")) {
1532 conf->level &= ~ACCESS_LVL_MASK;
1533 conf->level |= ACCESS_LVL_OPER;
1534 } else if (!strcmp(args[cur_arg+1], "admin")) {
1535 conf->level &= ~ACCESS_LVL_MASK;
1536 conf->level |= ACCESS_LVL_ADMIN;
1537 } else {
William Lallemand74c24fb2016-11-21 17:18:36 +01001538 memprintf(err, "'%s' only supports 'user', 'operator', and 'admin' (got '%s')",
1539 args[cur_arg], args[cur_arg+1]);
1540 return ERR_ALERT | ERR_FATAL;
1541 }
1542
1543 return 0;
1544}
1545
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02001546static int bind_parse_severity_output(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
1547{
1548 if (!*args[cur_arg + 1]) {
1549 memprintf(err, "'%s' : missing severity format", args[cur_arg]);
1550 return ERR_ALERT | ERR_FATAL;
1551 }
1552
1553 if (set_severity_output(&conf->severity_output, args[cur_arg+1]))
1554 return 0;
1555 else {
1556 memprintf(err, "'%s' only supports 'none', 'number', and 'string' (got '%s')",
1557 args[cur_arg], args[cur_arg+1]);
1558 return ERR_ALERT | ERR_FATAL;
1559 }
1560}
1561
William Lallemand16dd1b32018-11-19 18:46:18 +01001562
William Lallemandb9f9e3b2018-10-26 14:47:39 +02001563
Olivier Houchardf886e342017-04-05 22:24:59 +02001564/* Send all the bound sockets, always returns 1 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001565static int _getsocks(char **args, char *payload, struct appctx *appctx, void *private)
Olivier Houchardf886e342017-04-05 22:24:59 +02001566{
1567 char *cmsgbuf = NULL;
1568 unsigned char *tmpbuf = NULL;
1569 struct cmsghdr *cmsg;
1570 struct stream_interface *si = appctx->owner;
William Lallemandf6975e92017-05-26 17:42:10 +02001571 struct stream *s = si_strm(si);
Olivier Houchard9aaf7782017-09-13 18:30:23 +02001572 struct connection *remote = cs_conn(objt_cs(si_opposite(si)->end));
Olivier Houchardf886e342017-04-05 22:24:59 +02001573 struct msghdr msghdr;
1574 struct iovec iov;
Olivier Houchard54740872017-04-06 14:45:14 +02001575 struct timeval tv = { .tv_sec = 1, .tv_usec = 0 };
Olivier Houchardf886e342017-04-05 22:24:59 +02001576 int *tmpfd;
1577 int tot_fd_nb = 0;
1578 struct proxy *px;
1579 int i = 0;
Willy Tarreauc2b7f802018-09-20 11:22:29 +02001580 int fd = -1;
Olivier Houchardf886e342017-04-05 22:24:59 +02001581 int curoff = 0;
Willy Tarreauc2b7f802018-09-20 11:22:29 +02001582 int old_fcntl = -1;
Olivier Houchardf886e342017-04-05 22:24:59 +02001583 int ret;
1584
Willy Tarreauc2b7f802018-09-20 11:22:29 +02001585 if (!remote) {
1586 ha_warning("Only works on real connections\n");
1587 goto out;
1588 }
1589
1590 fd = remote->handle.fd;
1591
Olivier Houchardf886e342017-04-05 22:24:59 +02001592 /* Temporary set the FD in blocking mode, that will make our life easier */
1593 old_fcntl = fcntl(fd, F_GETFL);
1594 if (old_fcntl < 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001595 ha_warning("Couldn't get the flags for the unix socket\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001596 goto out;
1597 }
1598 cmsgbuf = malloc(CMSG_SPACE(sizeof(int) * MAX_SEND_FD));
1599 if (!cmsgbuf) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001600 ha_warning("Failed to allocate memory to send sockets\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001601 goto out;
1602 }
1603 if (fcntl(fd, F_SETFL, old_fcntl &~ O_NONBLOCK) == -1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001604 ha_warning("Cannot make the unix socket blocking\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001605 goto out;
1606 }
Olivier Houchard54740872017-04-06 14:45:14 +02001607 setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (void *)&tv, sizeof(tv));
Olivier Houchardf886e342017-04-05 22:24:59 +02001608 iov.iov_base = &tot_fd_nb;
1609 iov.iov_len = sizeof(tot_fd_nb);
William Lallemandf6975e92017-05-26 17:42:10 +02001610 if (!(strm_li(s)->bind_conf->level & ACCESS_FD_LISTENERS))
Olivier Houchardf886e342017-04-05 22:24:59 +02001611 goto out;
1612 memset(&msghdr, 0, sizeof(msghdr));
1613 /*
1614 * First, calculates the total number of FD, so that we can let
1615 * the caller know how much he should expects.
1616 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001617 px = proxies_list;
Olivier Houchardf886e342017-04-05 22:24:59 +02001618 while (px) {
1619 struct listener *l;
1620
1621 list_for_each_entry(l, &px->conf.listeners, by_fe) {
Olivier Houchard1fc05162017-04-06 01:05:05 +02001622 /* Only transfer IPv4/IPv6/UNIX sockets */
1623 if (l->state >= LI_ZOMBIE &&
1624 (l->proto->sock_family == AF_INET ||
Olivier Houchardf886e342017-04-05 22:24:59 +02001625 l->proto->sock_family == AF_INET6 ||
Olivier Houchard1fc05162017-04-06 01:05:05 +02001626 l->proto->sock_family == AF_UNIX))
Olivier Houchardf886e342017-04-05 22:24:59 +02001627 tot_fd_nb++;
1628 }
1629 px = px->next;
1630 }
1631 if (tot_fd_nb == 0)
1632 goto out;
1633
1634 /* First send the total number of file descriptors, so that the
1635 * receiving end knows what to expect.
1636 */
1637 msghdr.msg_iov = &iov;
1638 msghdr.msg_iovlen = 1;
1639 ret = sendmsg(fd, &msghdr, 0);
1640 if (ret != sizeof(tot_fd_nb)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001641 ha_warning("Failed to send the number of sockets to send\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001642 goto out;
1643 }
1644
1645 /* Now send the fds */
1646 msghdr.msg_control = cmsgbuf;
1647 msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * MAX_SEND_FD);
1648 cmsg = CMSG_FIRSTHDR(&msghdr);
1649 cmsg->cmsg_len = CMSG_LEN(MAX_SEND_FD * sizeof(int));
1650 cmsg->cmsg_level = SOL_SOCKET;
1651 cmsg->cmsg_type = SCM_RIGHTS;
1652 tmpfd = (int *)CMSG_DATA(cmsg);
1653
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001654 px = proxies_list;
Olivier Houchardf886e342017-04-05 22:24:59 +02001655 /* For each socket, e message is sent, containing the following :
1656 * Size of the namespace name (or 0 if none), as an unsigned char.
1657 * The namespace name, if any
1658 * Size of the interface name (or 0 if none), as an unsigned char
1659 * The interface name, if any
1660 * Listener options, as an int.
1661 */
1662 /* We will send sockets MAX_SEND_FD per MAX_SEND_FD, allocate a
1663 * buffer big enough to store the socket informations.
1664 */
Olivier Houchardf143b802017-11-04 15:13:01 +01001665 tmpbuf = malloc(MAX_SEND_FD * (1 + MAXPATHLEN + 1 + IFNAMSIZ + sizeof(int)));
Olivier Houchardf886e342017-04-05 22:24:59 +02001666 if (tmpbuf == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001667 ha_warning("Failed to allocate memory to transfer socket informations\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001668 goto out;
1669 }
1670 iov.iov_base = tmpbuf;
1671 while (px) {
1672 struct listener *l;
1673
1674 list_for_each_entry(l, &px->conf.listeners, by_fe) {
1675 int ret;
1676 /* Only transfer IPv4/IPv6 sockets */
Olivier Houchard1fc05162017-04-06 01:05:05 +02001677 if (l->state >= LI_ZOMBIE &&
Olivier Houchardf886e342017-04-05 22:24:59 +02001678 (l->proto->sock_family == AF_INET ||
1679 l->proto->sock_family == AF_INET6 ||
1680 l->proto->sock_family == AF_UNIX)) {
1681 memcpy(&tmpfd[i % MAX_SEND_FD], &l->fd, sizeof(l->fd));
1682 if (!l->netns)
1683 tmpbuf[curoff++] = 0;
Willy Tarreaue5733232019-05-22 19:24:06 +02001684#ifdef USE_NS
Olivier Houchardf886e342017-04-05 22:24:59 +02001685 else {
1686 char *name = l->netns->node.key;
1687 unsigned char len = l->netns->name_len;
1688 tmpbuf[curoff++] = len;
1689 memcpy(tmpbuf + curoff, name, len);
1690 curoff += len;
1691 }
1692#endif
1693 if (l->interface) {
1694 unsigned char len = strlen(l->interface);
1695 tmpbuf[curoff++] = len;
1696 memcpy(tmpbuf + curoff, l->interface, len);
1697 curoff += len;
1698 } else
1699 tmpbuf[curoff++] = 0;
1700 memcpy(tmpbuf + curoff, &l->options,
1701 sizeof(l->options));
1702 curoff += sizeof(l->options);
1703
1704
1705 i++;
1706 } else
1707 continue;
1708 if ((!(i % MAX_SEND_FD))) {
1709 iov.iov_len = curoff;
1710 if (sendmsg(fd, &msghdr, 0) != curoff) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001711 ha_warning("Failed to transfer sockets\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001712 goto out;
1713 }
1714 /* Wait for an ack */
1715 do {
1716 ret = recv(fd, &tot_fd_nb,
1717 sizeof(tot_fd_nb), 0);
1718 } while (ret == -1 && errno == EINTR);
1719 if (ret <= 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001720 ha_warning("Unexpected error while transferring sockets\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001721 goto out;
1722 }
1723 curoff = 0;
1724 }
1725
1726 }
1727 px = px->next;
1728 }
1729 if (i % MAX_SEND_FD) {
1730 iov.iov_len = curoff;
1731 cmsg->cmsg_len = CMSG_LEN((i % MAX_SEND_FD) * sizeof(int));
1732 msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * (i % MAX_SEND_FD));
1733 if (sendmsg(fd, &msghdr, 0) != curoff) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001734 ha_warning("Failed to transfer sockets\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001735 goto out;
1736 }
1737 }
1738
1739out:
Willy Tarreauc2b7f802018-09-20 11:22:29 +02001740 if (fd >= 0 && old_fcntl >= 0 && fcntl(fd, F_SETFL, old_fcntl) == -1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001741 ha_warning("Cannot make the unix socket non-blocking\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001742 goto out;
1743 }
1744 appctx->st0 = CLI_ST_END;
1745 free(cmsgbuf);
1746 free(tmpbuf);
1747 return 1;
1748}
1749
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001750static int cli_parse_simple(char **args, char *payload, struct appctx *appctx, void *private)
1751{
1752 if (*args[0] == 'h')
1753 /* help */
1754 cli_gen_usage_msg(appctx);
1755 else if (*args[0] == 'p')
1756 /* prompt */
1757 appctx->st1 ^= APPCTX_CLI_ST1_PROMPT;
1758 else if (*args[0] == 'q')
1759 /* quit */
1760 appctx->st0 = CLI_ST_END;
1761
1762 return 1;
1763}
Olivier Houchardf886e342017-04-05 22:24:59 +02001764
William Lallemand2f4ce202018-10-26 14:47:47 +02001765void pcli_write_prompt(struct stream *s)
1766{
1767 struct buffer *msg = get_trash_chunk();
1768 struct channel *oc = si_oc(&s->si[0]);
1769
William Lallemanddc12c2e2018-12-13 09:05:46 +01001770 if (!(s->pcli_flags & PCLI_F_PROMPT))
William Lallemand5b80fa22018-12-11 16:10:54 +01001771 return;
1772
William Lallemanddc12c2e2018-12-13 09:05:46 +01001773 if (s->pcli_flags & PCLI_F_PAYLOAD) {
William Lallemandebf61802018-12-11 16:10:57 +01001774 chunk_appendf(msg, "+ ");
1775 } else {
1776 if (s->pcli_next_pid == 0)
Willy Tarreau52880f92018-12-15 13:30:03 +01001777 chunk_appendf(msg, "master%s> ",
1778 (global.mode & MODE_MWORKER_WAIT) ? "[ReloadFailed]" : "");
William Lallemandebf61802018-12-11 16:10:57 +01001779 else
1780 chunk_appendf(msg, "%d> ", s->pcli_next_pid);
1781 }
William Lallemand2f4ce202018-10-26 14:47:47 +02001782 co_inject(oc, msg->area, msg->data);
1783}
1784
William Lallemand291810d2018-10-26 14:47:38 +02001785
William Lallemandcf62f7e2018-10-26 14:47:40 +02001786/* The pcli_* functions are used for the CLI proxy in the master */
1787
William Lallemanddeeaa592018-10-26 14:47:48 +02001788void pcli_reply_and_close(struct stream *s, const char *msg)
1789{
1790 struct buffer *buf = get_trash_chunk();
1791
1792 chunk_initstr(buf, msg);
Willy Tarreau14bfe9a2018-12-19 15:19:27 +01001793 si_retnclose(&s->si[0], buf);
William Lallemanddeeaa592018-10-26 14:47:48 +02001794}
1795
William Lallemand291810d2018-10-26 14:47:38 +02001796static enum obj_type *pcli_pid_to_server(int proc_pid)
1797{
1798 struct mworker_proc *child;
1799
William Lallemandbddd33a2018-12-11 16:10:53 +01001800 /* return the CLI applet of the master */
1801 if (proc_pid == 0)
1802 return &cli_applet.obj_type;
1803
William Lallemand291810d2018-10-26 14:47:38 +02001804 list_for_each_entry(child, &proc_list, list) {
1805 if (child->pid == proc_pid){
1806 return &child->srv->obj_type;
1807 }
1808 }
1809 return NULL;
1810}
1811
1812/* Take a CLI prefix in argument (eg: @!1234 @master @1)
1813 * Return:
1814 * 0: master
1815 * > 0: pid of a worker
1816 * < 0: didn't find a worker
1817 */
1818static int pcli_prefix_to_pid(const char *prefix)
1819{
1820 int proc_pid;
1821 struct mworker_proc *child;
1822 char *errtol = NULL;
1823
1824 if (*prefix != '@') /* not a prefix, should not happen */
1825 return -1;
1826
1827 prefix++;
1828 if (!*prefix) /* sent @ alone, return the master */
1829 return 0;
1830
1831 if (strcmp("master", prefix) == 0) {
1832 return 0;
1833 } else if (*prefix == '!') {
1834 prefix++;
1835 if (!*prefix)
1836 return -1;
1837
1838 proc_pid = strtol(prefix, &errtol, 10);
1839 if (*errtol != '\0')
1840 return -1;
1841 list_for_each_entry(child, &proc_list, list) {
William Lallemand8f7069a2019-04-12 16:09:23 +02001842 if (!(child->options & PROC_O_TYPE_WORKER))
William Lallemand16dd1b32018-11-19 18:46:18 +01001843 continue;
William Lallemand291810d2018-10-26 14:47:38 +02001844 if (child->pid == proc_pid){
1845 return child->pid;
1846 }
1847 }
1848 } else {
1849 struct mworker_proc *chosen = NULL;
1850 /* this is a relative pid */
1851
1852 proc_pid = strtol(prefix, &errtol, 10);
1853 if (*errtol != '\0')
1854 return -1;
1855
1856 if (proc_pid == 0) /* return the master */
1857 return 0;
1858
1859 /* chose the right process, the current one is the one with the
1860 least number of reloads */
1861 list_for_each_entry(child, &proc_list, list) {
William Lallemand8f7069a2019-04-12 16:09:23 +02001862 if (!(child->options & PROC_O_TYPE_WORKER))
William Lallemand16dd1b32018-11-19 18:46:18 +01001863 continue;
William Lallemand291810d2018-10-26 14:47:38 +02001864 if (child->relative_pid == proc_pid){
1865 if (child->reloads == 0)
1866 return child->pid;
1867 else if (chosen == NULL || child->reloads < chosen->reloads)
1868 chosen = child;
1869 }
1870 }
1871 if (chosen)
1872 return chosen->pid;
1873 }
1874 return -1;
1875}
1876
William Lallemandbddd33a2018-12-11 16:10:53 +01001877/* Return::
1878 * >= 0 : number of words to escape
1879 * = -1 : error
1880 */
1881
1882int pcli_find_and_exec_kw(struct stream *s, char **args, int argl, char **errmsg, int *next_pid)
1883{
1884 if (argl < 1)
1885 return 0;
1886
1887 /* there is a prefix */
1888 if (args[0][0] == '@') {
1889 int target_pid = pcli_prefix_to_pid(args[0]);
1890
1891 if (target_pid == -1) {
1892 memprintf(errmsg, "Can't find the target PID matching the prefix '%s'\n", args[0]);
1893 return -1;
1894 }
1895
1896 /* if the prefix is alone, define a default target */
1897 if (argl == 1)
1898 s->pcli_next_pid = target_pid;
1899 else
1900 *next_pid = target_pid;
1901 return 1;
William Lallemand5b80fa22018-12-11 16:10:54 +01001902 } else if (!strcmp("prompt", args[0])) {
William Lallemanddc12c2e2018-12-13 09:05:46 +01001903 s->pcli_flags ^= PCLI_F_PROMPT;
William Lallemand5b80fa22018-12-11 16:10:54 +01001904 return argl; /* return the number of elements in the array */
William Lallemand5f610682018-12-11 16:10:55 +01001905
1906 } else if (!strcmp("quit", args[0])) {
1907 channel_shutr_now(&s->req);
1908 channel_shutw_now(&s->res);
1909 return argl; /* return the number of elements in the array */
William Lallemandb7ea1412018-12-13 09:05:47 +01001910 } else if (!strcmp(args[0], "operator")) {
1911 if (!pcli_has_level(s, ACCESS_LVL_OPER)) {
1912 memprintf(errmsg, "Permission denied!\n");
1913 return -1;
1914 }
1915 s->pcli_flags &= ~ACCESS_LVL_MASK;
1916 s->pcli_flags |= ACCESS_LVL_OPER;
1917 return argl;
1918
1919 } else if (!strcmp(args[0], "user")) {
1920 if (!pcli_has_level(s, ACCESS_LVL_USER)) {
1921 memprintf(errmsg, "Permission denied!\n");
1922 return -1;
1923 }
1924 s->pcli_flags &= ~ACCESS_LVL_MASK;
1925 s->pcli_flags |= ACCESS_LVL_USER;
1926 return argl;
William Lallemandbddd33a2018-12-11 16:10:53 +01001927 }
1928
1929 return 0;
1930}
1931
1932/*
1933 * Parse the CLI request:
1934 * - It does basically the same as the cli_io_handler, but as a proxy
1935 * - It can exec a command and strip non forwardable commands
William Lallemandcf62f7e2018-10-26 14:47:40 +02001936 *
1937 * Return:
William Lallemandbddd33a2018-12-11 16:10:53 +01001938 * - the number of characters to forward or
1939 * - 1 if there is an error or not enough data
William Lallemandcf62f7e2018-10-26 14:47:40 +02001940 */
William Lallemandbddd33a2018-12-11 16:10:53 +01001941int pcli_parse_request(struct stream *s, struct channel *req, char **errmsg, int *next_pid)
William Lallemandcf62f7e2018-10-26 14:47:40 +02001942{
William Lallemandbddd33a2018-12-11 16:10:53 +01001943 char *str = (char *)ci_head(req);
1944 char *end = (char *)ci_stop(req);
1945 char *args[MAX_STATS_ARGS + 1]; /* +1 for storing a NULL */
1946 int argl; /* number of args */
1947 char *p;
1948 char *trim = NULL;
William Lallemandebf61802018-12-11 16:10:57 +01001949 char *payload = NULL;
William Lallemandbddd33a2018-12-11 16:10:53 +01001950 int wtrim = 0; /* number of words to trim */
1951 int reql = 0;
William Lallemandb7ea1412018-12-13 09:05:47 +01001952 int ret;
William Lallemandbddd33a2018-12-11 16:10:53 +01001953 int i = 0;
1954
1955 p = str;
William Lallemandcf62f7e2018-10-26 14:47:40 +02001956
William Lallemanddc12c2e2018-12-13 09:05:46 +01001957 if (!(s->pcli_flags & PCLI_F_PAYLOAD)) {
William Lallemandebf61802018-12-11 16:10:57 +01001958
1959 /* Looks for the end of one command */
1960 while (p+reql < end) {
1961 /* handle escaping */
1962 if (p[reql] == '\\') {
1963 reql++;
1964 continue;
1965 }
1966 if (p[reql] == ';' || p[reql] == '\n') {
1967 /* found the end of the command */
1968 p[reql] = '\n';
1969 reql++;
1970 break;
1971 }
William Lallemandbddd33a2018-12-11 16:10:53 +01001972 reql++;
William Lallemandbddd33a2018-12-11 16:10:53 +01001973 }
William Lallemandebf61802018-12-11 16:10:57 +01001974 } else {
1975 while (p+reql < end) {
1976 if (p[reql] == '\n') {
1977 /* found the end of the line */
1978 reql++;
1979 break;
1980 }
William Lallemandbddd33a2018-12-11 16:10:53 +01001981 reql++;
William Lallemandbddd33a2018-12-11 16:10:53 +01001982 }
William Lallemandbddd33a2018-12-11 16:10:53 +01001983 }
William Lallemandcf62f7e2018-10-26 14:47:40 +02001984
William Lallemandbddd33a2018-12-11 16:10:53 +01001985 /* set end to first byte after the end of the command */
1986 end = p + reql;
William Lallemandcf62f7e2018-10-26 14:47:40 +02001987
William Lallemandbddd33a2018-12-11 16:10:53 +01001988 /* there is no end to this command, need more to parse ! */
1989 if (*(end-1) != '\n') {
1990 return -1;
1991 }
William Lallemandcf62f7e2018-10-26 14:47:40 +02001992
William Lallemand3301f3e2018-12-13 09:05:48 +01001993 if (s->pcli_flags & PCLI_F_PAYLOAD) {
1994 if (reql == 1) /* last line of the payload */
1995 s->pcli_flags &= ~PCLI_F_PAYLOAD;
William Lallemandebf61802018-12-11 16:10:57 +01001996 return reql;
1997 }
1998
William Lallemandbddd33a2018-12-11 16:10:53 +01001999 *(end-1) = '\0';
William Lallemandcf62f7e2018-10-26 14:47:40 +02002000
William Lallemandbddd33a2018-12-11 16:10:53 +01002001 /* splits the command in words */
2002 while (i < MAX_STATS_ARGS && p < end) {
2003 int j, k;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002004
William Lallemandbddd33a2018-12-11 16:10:53 +01002005 /* skip leading spaces/tabs */
2006 p += strspn(p, " \t");
2007 if (!*p)
William Lallemandcf62f7e2018-10-26 14:47:40 +02002008 break;
2009
William Lallemandbddd33a2018-12-11 16:10:53 +01002010 args[i] = p;
2011 p += strcspn(p, " \t");
2012 *p++ = 0;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002013
William Lallemandbddd33a2018-12-11 16:10:53 +01002014 /* unescape backslashes (\) */
2015 for (j = 0, k = 0; args[i][k]; k++) {
2016 if (args[i][k] == '\\') {
2017 if (args[i][k + 1] == '\\')
2018 k++;
2019 else
2020 continue;
2021 }
2022 args[i][j] = args[i][k];
2023 j++;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002024 }
William Lallemandbddd33a2018-12-11 16:10:53 +01002025 args[i][j] = 0;
2026 i++;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002027 }
2028
William Lallemandbddd33a2018-12-11 16:10:53 +01002029 argl = i;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002030
William Lallemandbddd33a2018-12-11 16:10:53 +01002031 for (; i < MAX_STATS_ARGS + 1; i++)
2032 args[i] = NULL;
2033
2034 wtrim = pcli_find_and_exec_kw(s, args, argl, errmsg, next_pid);
2035
2036 /* End of words are ending by \0, we need to replace the \0s by spaces
20371 before forwarding them */
2038 p = str;
William Lallemand3301f3e2018-12-13 09:05:48 +01002039 while (p < end-1) {
William Lallemandbddd33a2018-12-11 16:10:53 +01002040 if (*p == '\0')
2041 *p = ' ';
2042 p++;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002043 }
2044
William Lallemand3301f3e2018-12-13 09:05:48 +01002045 payload = strstr(str, PAYLOAD_PATTERN);
2046 if ((end - 1) == (payload + strlen(PAYLOAD_PATTERN))) {
2047 /* if the payload pattern is at the end */
2048 s->pcli_flags |= PCLI_F_PAYLOAD;
2049 ret = reql;
2050 }
2051
William Lallemandbddd33a2018-12-11 16:10:53 +01002052 *(end-1) = '\n';
William Lallemandcf62f7e2018-10-26 14:47:40 +02002053
William Lallemandbddd33a2018-12-11 16:10:53 +01002054 if (wtrim > 0) {
2055 trim = &args[wtrim][0];
2056 if (trim == NULL) /* if this was the last word in the table */
2057 trim = end;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002058
William Lallemandbddd33a2018-12-11 16:10:53 +01002059 b_del(&req->buf, trim - str);
2060
William Lallemandb7ea1412018-12-13 09:05:47 +01002061 ret = end - trim;
William Lallemandbddd33a2018-12-11 16:10:53 +01002062 } else if (wtrim < 0) {
2063 /* parsing error */
2064 return -1;
William Lallemandb7ea1412018-12-13 09:05:47 +01002065 } else {
2066 /* the whole string */
2067 ret = end - str;
William Lallemandbddd33a2018-12-11 16:10:53 +01002068 }
2069
William Lallemandb7ea1412018-12-13 09:05:47 +01002070 if (ret > 1) {
2071 if (pcli_has_level(s, ACCESS_LVL_ADMIN)) {
2072 goto end;
2073 } else if (pcli_has_level(s, ACCESS_LVL_OPER)) {
William Lallemandad032882019-07-01 10:56:15 +02002074 ci_insert_line2(req, 0, "operator -", strlen("operator -"));
2075 ret += strlen("operator -") + 2;
William Lallemandb7ea1412018-12-13 09:05:47 +01002076 } else if (pcli_has_level(s, ACCESS_LVL_USER)) {
William Lallemandad032882019-07-01 10:56:15 +02002077 ci_insert_line2(req, 0, "user -", strlen("user -"));
2078 ret += strlen("user -") + 2;
William Lallemandb7ea1412018-12-13 09:05:47 +01002079 }
2080 }
2081end:
William Lallemandbddd33a2018-12-11 16:10:53 +01002082
William Lallemandb7ea1412018-12-13 09:05:47 +01002083 return ret;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002084}
2085
2086int pcli_wait_for_request(struct stream *s, struct channel *req, int an_bit)
2087{
William Lallemandbddd33a2018-12-11 16:10:53 +01002088 int next_pid = -1;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002089 int to_forward;
William Lallemandbddd33a2018-12-11 16:10:53 +01002090 char *errmsg = NULL;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002091
William Lallemandb7ea1412018-12-13 09:05:47 +01002092 if ((s->pcli_flags & ACCESS_LVL_MASK) == ACCESS_LVL_NONE)
2093 s->pcli_flags |= strm_li(s)->bind_conf->level & ACCESS_LVL_MASK;
2094
William Lallemandcf62f7e2018-10-26 14:47:40 +02002095read_again:
2096 /* if the channel is closed for read, we won't receive any more data
2097 from the client, but we don't want to forward this close to the
2098 server */
2099 channel_dont_close(req);
2100
2101 /* We don't know yet to which server we will connect */
2102 channel_dont_connect(req);
2103
2104
2105 /* we are not waiting for a response, there is no more request and we
2106 * receive a close from the client, we can leave */
2107 if (!(ci_data(req)) && req->flags & CF_SHUTR) {
2108 channel_shutw_now(&s->res);
2109 s->req.analysers &= ~AN_REQ_WAIT_CLI;
2110 return 1;
2111 }
2112
2113 req->flags |= CF_READ_DONTWAIT;
2114
2115 /* need more data */
2116 if (!ci_data(req))
2117 return 0;
2118
2119 /* If there is data available for analysis, log the end of the idle time. */
2120 if (c_data(req) && s->logs.t_idle == -1)
2121 s->logs.t_idle = tv_ms_elapsed(&s->logs.tv_accept, &now) - s->logs.t_handshake;
2122
William Lallemandbddd33a2018-12-11 16:10:53 +01002123 to_forward = pcli_parse_request(s, req, &errmsg, &next_pid);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002124 if (to_forward > 0) {
William Lallemandbddd33a2018-12-11 16:10:53 +01002125 int target_pid;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002126 /* enough data */
2127
William Lallemandcf62f7e2018-10-26 14:47:40 +02002128 /* forward only 1 command */
2129 channel_forward(req, to_forward);
William Lallemandebf61802018-12-11 16:10:57 +01002130
William Lallemanddc12c2e2018-12-13 09:05:46 +01002131 if (!(s->pcli_flags & PCLI_F_PAYLOAD)) {
William Lallemandebf61802018-12-11 16:10:57 +01002132 /* we send only 1 command per request, and we write close after it */
2133 channel_shutw_now(req);
2134 } else {
2135 pcli_write_prompt(s);
2136 }
2137
2138 s->res.flags |= CF_WAKE_ONCE; /* need to be called again */
William Lallemandcf62f7e2018-10-26 14:47:40 +02002139
2140 /* remove the XFER_DATA analysers, which forwards all
2141 * the data, we don't want to forward the next requests
2142 * We need to add CF_FLT_ANALYZE to abort the forward too.
2143 */
2144 req->analysers &= ~(AN_REQ_FLT_XFER_DATA|AN_REQ_WAIT_CLI);
2145 req->analysers |= AN_REQ_FLT_END|CF_FLT_ANALYZE;
2146 s->res.analysers |= AN_RES_WAIT_CLI;
2147
William Lallemandebf61802018-12-11 16:10:57 +01002148 if (!(s->flags & SF_ASSIGNED)) {
2149 if (next_pid > -1)
2150 target_pid = next_pid;
2151 else
2152 target_pid = s->pcli_next_pid;
2153 /* we can connect now */
2154 s->target = pcli_pid_to_server(target_pid);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002155
William Lallemandebf61802018-12-11 16:10:57 +01002156 s->flags |= (SF_DIRECT | SF_ASSIGNED);
2157 channel_auto_connect(req);
2158 }
William Lallemandcf62f7e2018-10-26 14:47:40 +02002159
2160 } else if (to_forward == 0) {
William Lallemandcf62f7e2018-10-26 14:47:40 +02002161 /* we trimmed things but we might have other commands to consume */
William Lallemandbddd33a2018-12-11 16:10:53 +01002162 pcli_write_prompt(s);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002163 goto read_again;
William Lallemandbddd33a2018-12-11 16:10:53 +01002164 } else if (to_forward == -1 && errmsg) {
2165 /* there was an error during the parsing */
2166 pcli_reply_and_close(s, errmsg);
2167 return 0;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002168 } else if (to_forward == -1 && channel_full(req, global.tune.maxrewrite)) {
2169 /* buffer is full and we didn't catch the end of a command */
2170 goto send_help;
2171 }
2172
2173 return 0;
2174
2175send_help:
2176 b_reset(&req->buf);
2177 b_putblk(&req->buf, "help\n", 5);
2178 goto read_again;
2179}
2180
2181int pcli_wait_for_response(struct stream *s, struct channel *rep, int an_bit)
2182{
2183 struct proxy *fe = strm_fe(s);
2184 struct proxy *be = s->be;
2185
William Lallemand6b7cd0a2018-11-06 17:37:11 +01002186 if (rep->flags & CF_READ_ERROR) {
2187 pcli_reply_and_close(s, "Can't connect to the target CLI!\n");
2188 s->res.analysers &= ~AN_RES_WAIT_CLI;
2189 return 0;
2190 }
William Lallemandcf62f7e2018-10-26 14:47:40 +02002191 rep->flags |= CF_READ_DONTWAIT; /* try to get back here ASAP */
2192 rep->flags |= CF_NEVER_WAIT;
2193
2194 /* don't forward the close */
2195 channel_dont_close(&s->res);
2196 channel_dont_close(&s->req);
2197
William Lallemanddc12c2e2018-12-13 09:05:46 +01002198 if (s->pcli_flags & PCLI_F_PAYLOAD) {
William Lallemandebf61802018-12-11 16:10:57 +01002199 s->req.analysers |= AN_REQ_WAIT_CLI;
2200 s->res.analysers &= ~AN_RES_WAIT_CLI;
2201 s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */
2202 return 0;
2203 }
2204
William Lallemandcf62f7e2018-10-26 14:47:40 +02002205 /* forward the data */
2206 if (ci_data(rep)) {
2207 c_adv(rep, ci_data(rep));
2208 return 0;
2209 }
2210
2211 if ((rep->flags & (CF_SHUTR|CF_READ_NULL))) {
2212 /* stream cleanup */
2213
William Lallemand2f4ce202018-10-26 14:47:47 +02002214 pcli_write_prompt(s);
2215
William Lallemandcf62f7e2018-10-26 14:47:40 +02002216 s->si[1].flags |= SI_FL_NOLINGER | SI_FL_NOHALF;
2217 si_shutr(&s->si[1]);
2218 si_shutw(&s->si[1]);
2219
2220 /*
2221 * starting from there this the same code as
2222 * http_end_txn_clean_session().
2223 *
2224 * It allows to do frontend keepalive while reconnecting to a
2225 * new server for each request.
2226 */
2227
2228 if (s->flags & SF_BE_ASSIGNED) {
2229 HA_ATOMIC_SUB(&be->beconn, 1);
2230 if (unlikely(s->srv_conn))
2231 sess_change_server(s, NULL);
2232 }
2233
2234 s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now);
2235 stream_process_counters(s);
2236
2237 /* don't count other requests' data */
2238 s->logs.bytes_in -= ci_data(&s->req);
2239 s->logs.bytes_out -= ci_data(&s->res);
2240
2241 /* we may need to know the position in the queue */
2242 pendconn_free(s);
2243
2244 /* let's do a final log if we need it */
2245 if (!LIST_ISEMPTY(&fe->logformat) && s->logs.logwait &&
2246 !(s->flags & SF_MONITOR) &&
2247 (!(fe->options & PR_O_NULLNOLOG) || s->req.total)) {
2248 s->do_log(s);
2249 }
2250
2251 /* stop tracking content-based counters */
2252 stream_stop_content_counters(s);
2253 stream_update_time_stats(s);
2254
2255 s->logs.accept_date = date; /* user-visible date for logging */
2256 s->logs.tv_accept = now; /* corrected date for internal use */
2257 s->logs.t_handshake = 0; /* There are no handshake in keep alive connection. */
2258 s->logs.t_idle = -1;
2259 tv_zero(&s->logs.tv_request);
2260 s->logs.t_queue = -1;
2261 s->logs.t_connect = -1;
2262 s->logs.t_data = -1;
2263 s->logs.t_close = 0;
2264 s->logs.prx_queue_pos = 0; /* we get the number of pending conns before us */
2265 s->logs.srv_queue_pos = 0; /* we will get this number soon */
2266
2267 s->logs.bytes_in = s->req.total = ci_data(&s->req);
2268 s->logs.bytes_out = s->res.total = ci_data(&s->res);
2269
2270 stream_del_srv_conn(s);
2271 if (objt_server(s->target)) {
2272 if (s->flags & SF_CURR_SESS) {
2273 s->flags &= ~SF_CURR_SESS;
Willy Tarreaub54c40a2018-12-02 19:28:41 +01002274 HA_ATOMIC_SUB(&__objt_server(s->target)->cur_sess, 1);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002275 }
Willy Tarreaub54c40a2018-12-02 19:28:41 +01002276 if (may_dequeue_tasks(__objt_server(s->target), be))
2277 process_srv_queue(__objt_server(s->target));
William Lallemandcf62f7e2018-10-26 14:47:40 +02002278 }
2279
2280 s->target = NULL;
2281
2282 /* only release our endpoint if we don't intend to reuse the
2283 * connection.
2284 */
2285 if (!si_conn_ready(&s->si[1])) {
2286 si_release_endpoint(&s->si[1]);
2287 s->srv_conn = NULL;
2288 }
2289
Willy Tarreau1c8d32b2019-07-18 15:47:45 +02002290 sockaddr_free(&s->target_addr);
2291
William Lallemandcf62f7e2018-10-26 14:47:40 +02002292 s->si[1].state = s->si[1].prev_state = SI_ST_INI;
2293 s->si[1].err_type = SI_ET_NONE;
2294 s->si[1].conn_retries = 0; /* used for logging too */
2295 s->si[1].exp = TICK_ETERNITY;
2296 s->si[1].flags &= SI_FL_ISBACK | SI_FL_DONT_WAKE; /* we're in the context of process_stream */
Christopher Faulet22dc2482019-07-16 14:43:08 +02002297 s->req.flags &= ~(CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CONNECT|CF_WRITE_ERROR|CF_STREAMER|CF_STREAMER_FAST|CF_NEVER_WAIT|CF_WROTE_DATA);
William Lallemand19338012019-06-25 18:00:19 +02002298 s->res.flags &= ~(CF_SHUTR|CF_SHUTR_NOW|CF_READ_ATTACHED|CF_READ_ERROR|CF_READ_NOEXP|CF_STREAMER|CF_STREAMER_FAST|CF_WRITE_PARTIAL|CF_NEVER_WAIT|CF_WROTE_DATA|CF_READ_NULL);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002299 s->flags &= ~(SF_DIRECT|SF_ASSIGNED|SF_ADDR_SET|SF_BE_ASSIGNED|SF_FORCE_PRST|SF_IGNORE_PRST);
2300 s->flags &= ~(SF_CURR_SESS|SF_REDIRECTABLE|SF_SRV_REUSED);
2301 s->flags &= ~(SF_ERR_MASK|SF_FINST_MASK|SF_REDISP);
2302 /* reinitialise the current rule list pointer to NULL. We are sure that
2303 * any rulelist match the NULL pointer.
2304 */
2305 s->current_rule_list = NULL;
2306
2307 s->be = strm_fe(s);
2308 s->logs.logwait = strm_fe(s)->to_log;
2309 s->logs.level = 0;
2310 stream_del_srv_conn(s);
2311 s->target = NULL;
2312 /* re-init store persistence */
2313 s->store_count = 0;
2314 s->uniq_id = global.req_count++;
2315
2316 s->req.flags |= CF_READ_DONTWAIT; /* one read is usually enough */
2317
2318 s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */
2319
2320 s->req.analysers |= AN_REQ_WAIT_CLI;
2321 s->res.analysers &= ~AN_RES_WAIT_CLI;
2322
2323 /* We must trim any excess data from the response buffer, because we
2324 * may have blocked an invalid response from a server that we don't
Joseph Herlant008b3ce2018-11-25 12:51:45 -08002325 * want to accidently forward once we disable the analysers, nor do
William Lallemandcf62f7e2018-10-26 14:47:40 +02002326 * we want those data to come along with next response. A typical
2327 * example of such data would be from a buggy server responding to
2328 * a HEAD with some data, or sending more than the advertised
2329 * content-length.
2330 */
2331 if (unlikely(ci_data(&s->res)))
2332 b_set_data(&s->res.buf, co_data(&s->res));
2333
2334 /* Now we can realign the response buffer */
2335 c_realign_if_empty(&s->res);
2336
2337 s->req.rto = strm_fe(s)->timeout.client;
2338 s->req.wto = TICK_ETERNITY;
2339
2340 s->res.rto = TICK_ETERNITY;
2341 s->res.wto = strm_fe(s)->timeout.client;
2342
2343 s->req.rex = TICK_ETERNITY;
2344 s->req.wex = TICK_ETERNITY;
2345 s->req.analyse_exp = TICK_ETERNITY;
2346 s->res.rex = TICK_ETERNITY;
2347 s->res.wex = TICK_ETERNITY;
2348 s->res.analyse_exp = TICK_ETERNITY;
2349 s->si[1].hcto = TICK_ETERNITY;
2350
2351 /* we're removing the analysers, we MUST re-enable events detection.
2352 * We don't enable close on the response channel since it's either
2353 * already closed, or in keep-alive with an idle connection handler.
2354 */
2355 channel_auto_read(&s->req);
2356 channel_auto_close(&s->req);
2357 channel_auto_read(&s->res);
2358
2359
2360 return 1;
2361 }
2362 return 0;
2363}
2364
William Lallemand8a022572018-10-26 14:47:35 +02002365/*
2366 * The mworker functions are used to initialize the CLI in the master process
2367 */
2368
William Lallemand309dc9a2018-10-26 14:47:45 +02002369 /*
2370 * Stop the mworker proxy
2371 */
2372void mworker_cli_proxy_stop()
2373{
William Lallemand550db6d2018-11-06 17:37:12 +01002374 if (mworker_proxy)
2375 stop_proxy(mworker_proxy);
William Lallemand309dc9a2018-10-26 14:47:45 +02002376}
2377
William Lallemand8a022572018-10-26 14:47:35 +02002378/*
2379 * Create the mworker CLI proxy
2380 */
2381int mworker_cli_proxy_create()
2382{
2383 struct mworker_proc *child;
William Lallemand744a0892018-11-22 16:46:51 +01002384 char *msg = NULL;
2385 char *errmsg = NULL;
William Lallemand8a022572018-10-26 14:47:35 +02002386
2387 mworker_proxy = calloc(1, sizeof(*mworker_proxy));
2388 if (!mworker_proxy)
2389 return -1;
2390
2391 init_new_proxy(mworker_proxy);
2392 mworker_proxy->next = proxies_list;
2393 proxies_list = mworker_proxy;
2394 mworker_proxy->id = strdup("MASTER");
William Lallemandcf62f7e2018-10-26 14:47:40 +02002395 mworker_proxy->mode = PR_MODE_CLI;
William Lallemand8a022572018-10-26 14:47:35 +02002396 mworker_proxy->state = PR_STNEW;
2397 mworker_proxy->last_change = now.tv_sec;
2398 mworker_proxy->cap = PR_CAP_LISTEN; /* this is a listen section */
2399 mworker_proxy->maxconn = 10; /* default to 10 concurrent connections */
2400 mworker_proxy->timeout.client = 0; /* no timeout */
2401 mworker_proxy->conf.file = strdup("MASTER");
2402 mworker_proxy->conf.line = 0;
2403 mworker_proxy->accept = frontend_accept;
2404 mworker_proxy-> lbprm.algo = BE_LB_ALGO_NONE;
2405
2406 /* Does not init the default target the CLI applet, but must be done in
2407 * the request parsing code */
2408 mworker_proxy->default_target = NULL;
2409
2410 /* the check_config_validity() will get an ID for the proxy */
2411 mworker_proxy->uuid = -1;
2412
2413 proxy_store_name(mworker_proxy);
2414
2415 /* create all servers using the mworker_proc list */
2416 list_for_each_entry(child, &proc_list, list) {
William Lallemand8a022572018-10-26 14:47:35 +02002417 struct server *newsrv = NULL;
2418 struct sockaddr_storage *sk;
2419 int port1, port2, port;
2420 struct protocol *proto;
William Lallemand8a022572018-10-26 14:47:35 +02002421
2422 newsrv = new_server(mworker_proxy);
2423 if (!newsrv)
William Lallemand744a0892018-11-22 16:46:51 +01002424 goto error;
William Lallemand8a022572018-10-26 14:47:35 +02002425
2426 /* we don't know the new pid yet */
2427 if (child->pid == -1)
2428 memprintf(&msg, "cur-%d", child->relative_pid);
2429 else
2430 memprintf(&msg, "old-%d", child->pid);
2431
2432 newsrv->next = mworker_proxy->srv;
2433 mworker_proxy->srv = newsrv;
2434 newsrv->conf.file = strdup(msg);
2435 newsrv->id = strdup(msg);
2436 newsrv->conf.line = 0;
2437
2438 memprintf(&msg, "sockpair@%d", child->ipc_fd[0]);
Tim Duesterhus4cae3b22018-11-22 16:46:50 +01002439 if ((sk = str2sa_range(msg, &port, &port1, &port2, &errmsg, NULL, NULL, 0)) == 0) {
William Lallemand744a0892018-11-22 16:46:51 +01002440 goto error;
Tim Duesterhus4cae3b22018-11-22 16:46:50 +01002441 }
2442 free(msg);
2443 msg = NULL;
William Lallemand8a022572018-10-26 14:47:35 +02002444
2445 proto = protocol_by_family(sk->ss_family);
2446 if (!proto || !proto->connect) {
William Lallemand744a0892018-11-22 16:46:51 +01002447 goto error;
William Lallemand8a022572018-10-26 14:47:35 +02002448 }
2449
2450 /* no port specified */
2451 newsrv->flags |= SRV_F_MAPPORTS;
2452 newsrv->addr = *sk;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002453 /* don't let the server participate to load balancing */
2454 newsrv->iweight = 0;
2455 newsrv->uweight = 0;
William Lallemand8a022572018-10-26 14:47:35 +02002456 srv_lb_commit_status(newsrv);
William Lallemand291810d2018-10-26 14:47:38 +02002457
2458 child->srv = newsrv;
William Lallemand8a022572018-10-26 14:47:35 +02002459 }
2460 return 0;
William Lallemand744a0892018-11-22 16:46:51 +01002461
2462error:
2463 ha_alert("%s\n", errmsg);
2464
2465 list_for_each_entry(child, &proc_list, list) {
2466 free((char *)child->srv->conf.file); /* cast because of const char * */
2467 free(child->srv->id);
2468 free(child->srv);
2469 child->srv = NULL;
2470 }
2471 free(mworker_proxy->id);
2472 free(mworker_proxy->conf.file);
2473 free(mworker_proxy);
2474 mworker_proxy = NULL;
2475 free(errmsg);
2476 free(msg);
2477
2478 return -1;
William Lallemand8a022572018-10-26 14:47:35 +02002479}
Olivier Houchardf886e342017-04-05 22:24:59 +02002480
William Lallemandce83b4a2018-10-26 14:47:30 +02002481/*
William Lallemande7361152018-10-26 14:47:36 +02002482 * Create a new listener for the master CLI proxy
2483 */
2484int mworker_cli_proxy_new_listener(char *line)
2485{
2486 struct bind_conf *bind_conf;
2487 struct listener *l;
2488 char *err = NULL;
2489 char *args[MAX_LINE_ARGS + 1];
2490 int arg;
2491 int cur_arg;
2492
2493 arg = 0;
2494 args[0] = line;
2495
2496 /* args is a bind configuration with spaces replaced by commas */
2497 while (*line && arg < MAX_LINE_ARGS) {
2498
2499 if (*line == ',') {
2500 *line++ = '\0';
2501 while (*line == ',')
2502 line++;
2503 args[++arg] = line;
2504 }
2505 line++;
2506 }
2507
2508 args[++arg] = "\0";
2509
2510 bind_conf = bind_conf_alloc(mworker_proxy, "master-socket", 0, "", xprt_get(XPRT_RAW));
William Lallemand744a0892018-11-22 16:46:51 +01002511 if (!bind_conf)
2512 goto err;
William Lallemande7361152018-10-26 14:47:36 +02002513
2514 bind_conf->level &= ~ACCESS_LVL_MASK;
2515 bind_conf->level |= ACCESS_LVL_ADMIN;
2516
2517 if (!str2listener(args[0], mworker_proxy, bind_conf, "master-socket", 0, &err)) {
2518 ha_alert("Cannot create the listener of the master CLI\n");
William Lallemand744a0892018-11-22 16:46:51 +01002519 goto err;
William Lallemande7361152018-10-26 14:47:36 +02002520 }
2521
2522 cur_arg = 1;
2523
2524 while (*args[cur_arg]) {
2525 static int bind_dumped;
2526 struct bind_kw *kw;
2527
2528 kw = bind_find_kw(args[cur_arg]);
2529 if (kw) {
2530 if (!kw->parse) {
2531 memprintf(&err, "'%s %s' : '%s' option is not implemented in this version (check build options).",
2532 args[0], args[1], args[cur_arg]);
2533 goto err;
2534 }
2535
2536 if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, &err) != 0) {
2537 if (err)
2538 memprintf(&err, "'%s %s' : '%s'", args[0], args[1], err);
2539 else
2540 memprintf(&err, "'%s %s' : error encountered while processing '%s'",
2541 args[0], args[1], args[cur_arg]);
2542 goto err;
2543 }
2544
2545 cur_arg += 1 + kw->skip;
2546 continue;
2547 }
2548
2549 if (!bind_dumped) {
2550 bind_dump_kws(&err);
2551 indent_msg(&err, 4);
2552 bind_dumped = 1;
2553 }
2554
2555 memprintf(&err, "'%s %s' : unknown keyword '%s'.%s%s",
2556 args[0], args[1], args[cur_arg],
2557 err ? " Registered keywords :" : "", err ? err : "");
2558 goto err;
2559 }
2560
2561
2562 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
William Lallemande7361152018-10-26 14:47:36 +02002563 l->accept = session_accept_fd;
2564 l->default_target = mworker_proxy->default_target;
2565 /* don't make the peers subject to global limits and don't close it in the master */
2566 l->options |= (LI_O_UNLIMITED|LI_O_MWORKER); /* we are keeping this FD in the master */
2567 l->nice = -64; /* we want to boost priority for local stats */
Willy Tarreau18215cb2019-02-27 16:25:28 +01002568 global.maxsock++; /* for the listening socket */
William Lallemande7361152018-10-26 14:47:36 +02002569 }
Willy Tarreau18215cb2019-02-27 16:25:28 +01002570 global.maxsock += mworker_proxy->maxconn;
William Lallemande7361152018-10-26 14:47:36 +02002571
2572 return 0;
2573
2574err:
2575 ha_alert("%s\n", err);
William Lallemand744a0892018-11-22 16:46:51 +01002576 free(err);
2577 free(bind_conf);
William Lallemande7361152018-10-26 14:47:36 +02002578 return -1;
2579
2580}
2581
2582/*
William Lallemandce83b4a2018-10-26 14:47:30 +02002583 * Create a new CLI socket using a socketpair for a worker process
2584 * <mworker_proc> is the process structure, and <proc> is the process number
2585 */
2586int mworker_cli_sockpair_new(struct mworker_proc *mworker_proc, int proc)
2587{
2588 struct bind_conf *bind_conf;
2589 struct listener *l;
2590 char *path = NULL;
2591 char *err = NULL;
2592
2593 /* master pipe to ensure the master is still alive */
2594 if (socketpair(AF_UNIX, SOCK_STREAM, 0, mworker_proc->ipc_fd) < 0) {
2595 ha_alert("Cannot create worker socketpair.\n");
2596 return -1;
2597 }
2598
2599 /* XXX: we might want to use a separate frontend at some point */
2600 if (!global.stats_fe) {
2601 if ((global.stats_fe = alloc_stats_fe("GLOBAL", "master-socket", 0)) == NULL) {
2602 ha_alert("out of memory trying to allocate the stats frontend");
William Lallemand744a0892018-11-22 16:46:51 +01002603 goto error;
William Lallemandce83b4a2018-10-26 14:47:30 +02002604 }
2605 }
2606
2607 bind_conf = bind_conf_alloc(global.stats_fe, "master-socket", 0, "", xprt_get(XPRT_RAW));
William Lallemand744a0892018-11-22 16:46:51 +01002608 if (!bind_conf)
2609 goto error;
2610
William Lallemandce83b4a2018-10-26 14:47:30 +02002611 bind_conf->level &= ~ACCESS_LVL_MASK;
2612 bind_conf->level |= ACCESS_LVL_ADMIN; /* TODO: need to lower the rights with a CLI keyword*/
2613
2614 bind_conf->bind_proc = 1UL << proc;
2615 global.stats_fe->bind_proc = 0; /* XXX: we should be careful with that, it can be removed by configuration */
2616
2617 if (!memprintf(&path, "sockpair@%d", mworker_proc->ipc_fd[1])) {
2618 ha_alert("Cannot allocate listener.\n");
William Lallemand744a0892018-11-22 16:46:51 +01002619 goto error;
William Lallemandce83b4a2018-10-26 14:47:30 +02002620 }
2621
2622 if (!str2listener(path, global.stats_fe, bind_conf, "master-socket", 0, &err)) {
Tim Duesterhus4cae3b22018-11-22 16:46:50 +01002623 free(path);
William Lallemandce83b4a2018-10-26 14:47:30 +02002624 ha_alert("Cannot create a CLI sockpair listener for process #%d\n", proc);
William Lallemand744a0892018-11-22 16:46:51 +01002625 goto error;
William Lallemandce83b4a2018-10-26 14:47:30 +02002626 }
Tim Duesterhus4cae3b22018-11-22 16:46:50 +01002627 free(path);
2628 path = NULL;
William Lallemandce83b4a2018-10-26 14:47:30 +02002629
2630 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
William Lallemandce83b4a2018-10-26 14:47:30 +02002631 l->accept = session_accept_fd;
2632 l->default_target = global.stats_fe->default_target;
William Lallemanda3372292018-11-16 16:57:22 +01002633 l->options |= (LI_O_UNLIMITED | LI_O_NOSTOP);
William Lallemandce83b4a2018-10-26 14:47:30 +02002634 /* it's a sockpair but we don't want to keep the fd in the master */
2635 l->options &= ~LI_O_INHERITED;
2636 l->nice = -64; /* we want to boost priority for local stats */
Willy Tarreau18215cb2019-02-27 16:25:28 +01002637 global.maxsock++; /* for the listening socket */
William Lallemandce83b4a2018-10-26 14:47:30 +02002638 }
2639
2640 return 0;
William Lallemand744a0892018-11-22 16:46:51 +01002641
2642error:
2643 close(mworker_proc->ipc_fd[0]);
2644 close(mworker_proc->ipc_fd[1]);
2645 free(err);
2646
2647 return -1;
William Lallemandce83b4a2018-10-26 14:47:30 +02002648}
2649
William Lallemand74c24fb2016-11-21 17:18:36 +01002650static struct applet cli_applet = {
2651 .obj_type = OBJ_TYPE_APPLET,
2652 .name = "<CLI>", /* used for logging */
2653 .fct = cli_io_handler,
2654 .release = cli_release_handler,
2655};
2656
Willy Tarreau0a739292016-11-22 20:21:23 +01002657/* register cli keywords */
2658static struct cli_kw_list cli_kws = {{ },{
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02002659 { { "help", NULL }, NULL, cli_parse_simple, NULL },
2660 { { "prompt", NULL }, NULL, cli_parse_simple, NULL },
2661 { { "quit", NULL }, NULL, cli_parse_simple, NULL },
Willy Tarreau2af99412016-11-23 11:10:59 +01002662 { { "set", "maxconn", "global", NULL }, "set maxconn global : change the per-process maxconn setting", cli_parse_set_maxconn_global, NULL },
Willy Tarreau45c742b2016-11-24 14:51:17 +01002663 { { "set", "rate-limit", NULL }, "set rate-limit : change a rate limiting value", cli_parse_set_ratelimit, NULL },
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02002664 { { "set", "severity-output", NULL }, "set severity-output [none|number|string] : set presence of severity level in feedback information", cli_parse_set_severity_output, NULL, NULL },
Willy Tarreau599852e2016-11-22 20:33:32 +01002665 { { "set", "timeout", NULL }, "set timeout : change a timeout setting", cli_parse_set_timeout, NULL, NULL },
Willy Tarreau0a739292016-11-22 20:21:23 +01002666 { { "show", "env", NULL }, "show env [var] : dump environment variables known to the process", cli_parse_show_env, cli_io_handler_show_env, NULL },
William Lallemand35851fb2018-10-26 14:47:42 +02002667 { { "show", "cli", "sockets", NULL }, "show cli sockets : dump list of cli sockets", cli_parse_default, cli_io_handler_show_cli_sock, NULL, NULL, ACCESS_MASTER },
William Lallemand67a234f2018-12-13 09:05:45 +01002668 { { "show", "cli", "level", NULL }, "show cli level : display the level of the current CLI session", cli_parse_show_lvl, NULL, NULL, NULL, ACCESS_MASTER},
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02002669 { { "show", "fd", NULL }, "show fd [num] : dump list of file descriptors in use", cli_parse_show_fd, cli_io_handler_show_fd, NULL },
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01002670 { { "show", "activity", NULL }, "show activity : show per-thread activity stats (for support/developers)", cli_parse_default, cli_io_handler_show_activity, NULL },
William Lallemand67a234f2018-12-13 09:05:45 +01002671 { { "operator", NULL }, "operator : lower the level of the current CLI session to operator", cli_parse_set_lvl, NULL, NULL, NULL, ACCESS_MASTER},
2672 { { "user", NULL }, "user : lower the level of the current CLI session to user", cli_parse_set_lvl, NULL, NULL, NULL, ACCESS_MASTER},
Olivier Houchardf886e342017-04-05 22:24:59 +02002673 { { "_getsocks", NULL }, NULL, _getsocks, NULL },
Willy Tarreau0a739292016-11-22 20:21:23 +01002674 {{},}
2675}};
2676
Willy Tarreau0108d902018-11-25 19:14:37 +01002677INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
2678
William Lallemand74c24fb2016-11-21 17:18:36 +01002679static struct cfg_kw_list cfg_kws = {ILH, {
2680 { CFG_GLOBAL, "stats", stats_parse_global },
2681 { 0, NULL, NULL },
2682}};
2683
Willy Tarreau0108d902018-11-25 19:14:37 +01002684INITCALL1(STG_REGISTER, cfg_register_keywords, &cfg_kws);
2685
William Lallemand74c24fb2016-11-21 17:18:36 +01002686static struct bind_kw_list bind_kws = { "STAT", { }, {
William Lallemandf6975e92017-05-26 17:42:10 +02002687 { "level", bind_parse_level, 1 }, /* set the unix socket admin level */
2688 { "expose-fd", bind_parse_expose_fd, 1 }, /* set the unix socket expose fd rights */
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02002689 { "severity-output", bind_parse_severity_output, 1 }, /* set the severity output format */
William Lallemand74c24fb2016-11-21 17:18:36 +01002690 { NULL, NULL, 0 },
2691}};
2692
Willy Tarreau0108d902018-11-25 19:14:37 +01002693INITCALL1(STG_REGISTER, bind_register_keywords, &bind_kws);
William Lallemand74c24fb2016-11-21 17:18:36 +01002694
2695/*
2696 * Local variables:
2697 * c-indent-level: 8
2698 * c-basic-offset: 8
2699 * End:
2700 */