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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>
William Lallemand9ed62032016-11-21 17:49:11 +010044#include <types/cli.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010045#include <types/global.h>
46#include <types/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010047#include <types/stats.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010048
Willy Tarreau609aad92018-11-22 08:31:09 +010049#include <proto/activity.h>
William Lallemand74c24fb2016-11-21 17:18:36 +010050#include <proto/backend.h>
51#include <proto/channel.h>
52#include <proto/checks.h>
53#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
312 if (res) {
313 memprintf(err, "'%s %s' : unexpected character '%c'", args[0], args[1], *res);
314 return -1;
315 }
316
317 if (!timeout) {
318 memprintf(err, "'%s %s' expects a positive value", args[0], args[1]);
319 return -1;
320 }
321 if (!global.stats_fe) {
322 if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
323 memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
324 return -1;
325 }
326 }
327 global.stats_fe->timeout.client = MS_TO_TICKS(timeout);
328 }
329 else if (!strcmp(args[1], "maxconn")) {
330 int maxconn = atol(args[2]);
331
332 if (maxconn <= 0) {
333 memprintf(err, "'%s %s' expects a positive value", args[0], args[1]);
334 return -1;
335 }
336
337 if (!global.stats_fe) {
338 if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
339 memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
340 return -1;
341 }
342 }
343 global.stats_fe->maxconn = maxconn;
344 }
345 else if (!strcmp(args[1], "bind-process")) { /* enable the socket only on some processes */
346 int cur_arg = 2;
347 unsigned long set = 0;
348
349 if (!global.stats_fe) {
350 if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
351 memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
352 return -1;
353 }
354 }
355
356 while (*args[cur_arg]) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100357 if (strcmp(args[cur_arg], "all") == 0) {
358 set = 0;
359 break;
360 }
Willy Tarreauff9c9142019-02-07 10:39:36 +0100361 if (parse_process_number(args[cur_arg], &set, MAX_PROCS, NULL, err)) {
Christopher Fauletf1f0c5f2017-11-22 12:06:43 +0100362 memprintf(err, "'%s %s' : %s", args[0], args[1], *err);
William Lallemand74c24fb2016-11-21 17:18:36 +0100363 return -1;
364 }
365 cur_arg++;
366 }
367 global.stats_fe->bind_proc = set;
368 }
369 else {
370 memprintf(err, "'%s' only supports 'socket', 'maxconn', 'bind-process' and 'timeout' (got '%s')", args[0], args[1]);
371 return -1;
372 }
373 return 0;
374}
375
William Lallemand33d29e22019-04-01 11:30:06 +0200376/*
William Lallemand9a37fd02019-04-12 16:09:24 +0200377 * This function exports the bound addresses of a <frontend> in the environment
378 * variable <varname>. Those addresses are separated by semicolons and prefixed
379 * with their type (abns@, unix@, sockpair@ etc)
380 * Return -1 upon error, 0 otherwise
William Lallemand33d29e22019-04-01 11:30:06 +0200381 */
William Lallemand9a37fd02019-04-12 16:09:24 +0200382int listeners_setenv(struct proxy *frontend, const char *varname)
William Lallemand33d29e22019-04-01 11:30:06 +0200383{
384 struct buffer *trash = get_trash_chunk();
385 struct bind_conf *bind_conf;
386
William Lallemand9a37fd02019-04-12 16:09:24 +0200387 if (frontend) {
388 list_for_each_entry(bind_conf, &frontend->conf.bind, by_fe) {
William Lallemand33d29e22019-04-01 11:30:06 +0200389 struct listener *l;
390
391 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
392 char addr[46];
393 char port[6];
394
William Lallemand620072b2019-04-12 16:09:25 +0200395 /* separate listener by semicolons */
396 if (trash->data)
397 chunk_appendf(trash, ";");
398
William Lallemand33d29e22019-04-01 11:30:06 +0200399 if (l->addr.ss_family == AF_UNIX) {
400 const struct sockaddr_un *un;
401
402 un = (struct sockaddr_un *)&l->addr;
403 if (un->sun_path[0] == '\0') {
404 chunk_appendf(trash, "abns@%s", un->sun_path+1);
405 } else {
406 chunk_appendf(trash, "unix@%s", un->sun_path);
407 }
408 } else if (l->addr.ss_family == AF_INET) {
409 addr_to_str(&l->addr, addr, sizeof(addr));
410 port_to_str(&l->addr, port, sizeof(port));
411 chunk_appendf(trash, "ipv4@%s:%s", addr, port);
412 } else if (l->addr.ss_family == AF_INET6) {
413 addr_to_str(&l->addr, addr, sizeof(addr));
414 port_to_str(&l->addr, port, sizeof(port));
415 chunk_appendf(trash, "ipv6@[%s]:%s", addr, port);
416 } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) {
417 chunk_appendf(trash, "sockpair@%d", ((struct sockaddr_in *)&l->addr)->sin_addr.s_addr);
418 }
William Lallemand33d29e22019-04-01 11:30:06 +0200419 }
420 }
421 trash->area[trash->data++] = '\0';
William Lallemand9a37fd02019-04-12 16:09:24 +0200422 if (setenv(varname, trash->area, 1) < 0)
William Lallemand33d29e22019-04-01 11:30:06 +0200423 return -1;
424 }
425
426 return 0;
427}
428
William Lallemand9a37fd02019-04-12 16:09:24 +0200429int cli_socket_setenv()
430{
431 if (listeners_setenv(global.stats_fe, "HAPROXY_CLI") < 0)
432 return -1;
433 if (listeners_setenv(mworker_proxy, "HAPROXY_MASTER_CLI") < 0)
434 return -1;
435
436 return 0;
437}
438
William Lallemand33d29e22019-04-01 11:30:06 +0200439REGISTER_CONFIG_POSTPARSER("cli", cli_socket_setenv);
440
Willy Tarreaude57a572016-11-23 17:01:39 +0100441/* Verifies that the CLI at least has a level at least as high as <level>
442 * (typically ACCESS_LVL_ADMIN). Returns 1 if OK, otherwise 0. In case of
443 * failure, an error message is prepared and the appctx's state is adjusted
444 * to print it so that a return 1 is enough to abort any processing.
445 */
446int cli_has_level(struct appctx *appctx, int level)
447{
Willy Tarreaude57a572016-11-23 17:01:39 +0100448
William Lallemandf630d012018-12-13 09:05:44 +0100449 if ((appctx->cli_level & ACCESS_LVL_MASK) < level) {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +0200450 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreaude57a572016-11-23 17:01:39 +0100451 appctx->ctx.cli.msg = stats_permission_denied_msg;
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100452 appctx->st0 = CLI_ST_PRINT;
Willy Tarreaude57a572016-11-23 17:01:39 +0100453 return 0;
454 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100455 return 1;
456}
457
William Lallemandb7ea1412018-12-13 09:05:47 +0100458/* same as cli_has_level but for the CLI proxy and without error message */
459int pcli_has_level(struct stream *s, int level)
460{
461 if ((s->pcli_flags & ACCESS_LVL_MASK) < level) {
462 return 0;
463 }
464 return 1;
465}
466
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200467/* Returns severity_output for the current session if set, or default for the socket */
468static int cli_get_severity_output(struct appctx *appctx)
469{
470 if (appctx->cli_severity_output)
471 return appctx->cli_severity_output;
472 return strm_li(si_strm(appctx->owner))->bind_conf->severity_output;
473}
William Lallemand74c24fb2016-11-21 17:18:36 +0100474
Willy Tarreau41908562016-11-24 16:23:38 +0100475/* Processes the CLI interpreter on the stats socket. This function is called
476 * from the CLI's IO handler running in an appctx context. The function returns 1
477 * if the request was understood, otherwise zero. It is called with appctx->st0
478 * set to CLI_ST_GETREQ and presets ->st2 to 0 so that parsers don't have to do
479 * it. It will possilbly leave st0 to CLI_ST_CALLBACK if the keyword needs to
480 * have its own I/O handler called again. Most of the time, parsers will only
481 * set st0 to CLI_ST_PRINT and put their message to be displayed into cli.msg.
Willy Tarreaueaffde32016-12-16 17:59:25 +0100482 * If a keyword parser is NULL and an I/O handler is declared, the I/O handler
483 * will automatically be used.
William Lallemand74c24fb2016-11-21 17:18:36 +0100484 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200485static int cli_parse_request(struct appctx *appctx)
William Lallemand74c24fb2016-11-21 17:18:36 +0100486{
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200487 char *args[MAX_STATS_ARGS + 1], *p, *end, *payload = NULL;
488 int i = 0;
William Lallemand74c24fb2016-11-21 17:18:36 +0100489 struct cli_kw *kw;
William Lallemand74c24fb2016-11-21 17:18:36 +0100490
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200491 appctx->st2 = 0;
492 memset(&appctx->ctx.cli, 0, sizeof(appctx->ctx.cli));
William Lallemand74c24fb2016-11-21 17:18:36 +0100493
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200494 p = appctx->chunk->area;
495 end = p + appctx->chunk->data;
William Lallemand74c24fb2016-11-21 17:18:36 +0100496
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200497 /*
498 * Get the payload start if there is one.
499 * For the sake of simplicity, the payload pattern is looked up
500 * everywhere from the start of the input but it can only be found
501 * at the end of the first line if APPCTX_CLI_ST1_PAYLOAD is set.
502 *
503 * The input string was zero terminated so it is safe to use
504 * the str*() functions throughout the parsing
505 */
506 if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) {
507 payload = strstr(p, PAYLOAD_PATTERN);
508 end = payload;
509 /* skip the pattern */
510 payload += strlen(PAYLOAD_PATTERN);
511 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100512
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200513 /*
514 * Get pointers on words.
515 * One extra slot is reserved to store a pointer on a null byte.
516 */
517 while (i < MAX_STATS_ARGS && p < end) {
518 int j, k;
William Lallemand74c24fb2016-11-21 17:18:36 +0100519
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200520 /* skip leading spaces/tabs */
521 p += strspn(p, " \t");
522 if (!*p)
523 break;
William Lallemand74c24fb2016-11-21 17:18:36 +0100524
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200525 args[i] = p;
526 p += strcspn(p, " \t");
527 *p++ = 0;
William Lallemand74c24fb2016-11-21 17:18:36 +0100528
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200529 /* unescape backslashes (\) */
530 for (j = 0, k = 0; args[i][k]; k++) {
531 if (args[i][k] == '\\') {
532 if (args[i][k + 1] == '\\')
533 k++;
Dragan Dosena1c35ab2016-11-24 11:33:12 +0100534 else
535 continue;
536 }
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200537 args[i][j] = args[i][k];
William Lallemand74c24fb2016-11-21 17:18:36 +0100538 j++;
539 }
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200540 args[i][j] = 0;
William Lallemand74c24fb2016-11-21 17:18:36 +0100541
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200542 i++;
543 }
544 /* fill unused slots */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200545 p = appctx->chunk->area + appctx->chunk->data;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200546 for (; i < MAX_STATS_ARGS + 1; i++)
547 args[i] = p;
Willy Tarreau41908562016-11-24 16:23:38 +0100548
549 kw = cli_find_kw(args);
Willy Tarreaueaffde32016-12-16 17:59:25 +0100550 if (!kw)
Willy Tarreau41908562016-11-24 16:23:38 +0100551 return 0;
552
William Lallemand14721be2018-10-26 14:47:37 +0200553 /* in a worker or normal process, don't display master only commands */
554 if (master == 0 && (kw->level & ACCESS_MASTER_ONLY))
555 return 0;
556
557 /* in master don't displays if we don't have the master bits */
558 if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER)))
559 return 0;
560
Willy Tarreau41908562016-11-24 16:23:38 +0100561 appctx->io_handler = kw->io_handler;
Emeric Brund6871f72017-06-29 19:54:13 +0200562 appctx->io_release = kw->io_release;
563 /* kw->parse could set its own io_handler or ip_release handler */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200564 if ((!kw->parse || kw->parse(args, payload, appctx, kw->private) == 0) && appctx->io_handler) {
Willy Tarreau41908562016-11-24 16:23:38 +0100565 appctx->st0 = CLI_ST_CALLBACK;
William Lallemand74c24fb2016-11-21 17:18:36 +0100566 }
Willy Tarreau41908562016-11-24 16:23:38 +0100567 return 1;
William Lallemand74c24fb2016-11-21 17:18:36 +0100568}
569
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200570/* prepends then outputs the argument msg with a syslog-type severity depending on severity_output value */
571static int cli_output_msg(struct channel *chn, const char *msg, int severity, int severity_output)
572{
Willy Tarreau83061a82018-07-13 11:56:34 +0200573 struct buffer *tmp;
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200574
575 if (likely(severity_output == CLI_SEVERITY_NONE))
Willy Tarreau06d80a92017-10-19 14:32:15 +0200576 return ci_putblk(chn, msg, strlen(msg));
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200577
578 tmp = get_trash_chunk();
579 chunk_reset(tmp);
580
581 if (severity < 0 || severity > 7) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100582 ha_warning("socket command feedback with invalid severity %d", severity);
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200583 chunk_printf(tmp, "[%d]: ", severity);
584 }
585 else {
586 switch (severity_output) {
587 case CLI_SEVERITY_NUMBER:
588 chunk_printf(tmp, "[%d]: ", severity);
589 break;
590 case CLI_SEVERITY_STRING:
591 chunk_printf(tmp, "[%s]: ", log_levels[severity]);
592 break;
593 default:
Christopher Faulet767a84b2017-11-24 16:50:31 +0100594 ha_warning("Unrecognized severity output %d", severity_output);
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200595 }
596 }
597 chunk_appendf(tmp, "%s", msg);
598
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200599 return ci_putblk(chn, tmp->area, strlen(tmp->area));
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200600}
601
William Lallemand74c24fb2016-11-21 17:18:36 +0100602/* This I/O handler runs as an applet embedded in a stream interface. It is
603 * used to processes I/O from/to the stats unix socket. The system relies on a
604 * state machine handling requests and various responses. We read a request,
605 * then we process it and send the response, and we possibly display a prompt.
606 * Then we can read again. The state is stored in appctx->st0 and is one of the
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100607 * CLI_ST_* constants. appctx->st1 is used to indicate whether prompt is enabled
William Lallemand74c24fb2016-11-21 17:18:36 +0100608 * or not.
609 */
610static void cli_io_handler(struct appctx *appctx)
611{
612 struct stream_interface *si = appctx->owner;
613 struct channel *req = si_oc(si);
614 struct channel *res = si_ic(si);
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200615 struct bind_conf *bind_conf = strm_li(si_strm(si))->bind_conf;
William Lallemand74c24fb2016-11-21 17:18:36 +0100616 int reql;
617 int len;
618
619 if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
620 goto out;
621
Joseph Herlant008b3ce2018-11-25 12:51:45 -0800622 /* Check if the input buffer is available. */
Willy Tarreauc9fa0482018-07-10 17:43:27 +0200623 if (res->buf.size == 0) {
Willy Tarreau4b962a42018-11-15 11:03:21 +0100624 /* buf.size==0 means we failed to get a buffer and were
625 * already subscribed to a wait list to get a buffer.
626 */
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100627 goto out;
628 }
629
William Lallemand74c24fb2016-11-21 17:18:36 +0100630 while (1) {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100631 if (appctx->st0 == CLI_ST_INIT) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100632 /* Stats output not initialized yet */
633 memset(&appctx->ctx.stats, 0, sizeof(appctx->ctx.stats));
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200634 /* reset severity to default at init */
635 appctx->cli_severity_output = bind_conf->severity_output;
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100636 appctx->st0 = CLI_ST_GETREQ;
William Lallemandf630d012018-12-13 09:05:44 +0100637 appctx->cli_level = bind_conf->level;
William Lallemand74c24fb2016-11-21 17:18:36 +0100638 }
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100639 else if (appctx->st0 == CLI_ST_END) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100640 /* Let's close for real now. We just close the request
641 * side, the conditions below will complete if needed.
642 */
643 si_shutw(si);
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200644 free_trash_chunk(appctx->chunk);
William Lallemand74c24fb2016-11-21 17:18:36 +0100645 break;
646 }
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100647 else if (appctx->st0 == CLI_ST_GETREQ) {
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200648 char *str;
649
650 /* use a trash chunk to store received data */
651 if (!appctx->chunk) {
652 appctx->chunk = alloc_trash_chunk();
653 if (!appctx->chunk) {
654 appctx->st0 = CLI_ST_END;
655 continue;
656 }
657 }
658
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200659 str = appctx->chunk->area + appctx->chunk->data;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200660
William Lallemand74c24fb2016-11-21 17:18:36 +0100661 /* ensure we have some output room left in the event we
662 * would want to return some info right after parsing.
663 */
664 if (buffer_almost_full(si_ib(si))) {
Willy Tarreaudb398432018-11-15 11:08:52 +0100665 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100666 break;
667 }
668
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200669 /* '- 1' is to ensure a null byte can always be inserted at the end */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200670 reql = co_getline(si_oc(si), str,
671 appctx->chunk->size - appctx->chunk->data - 1);
William Lallemand74c24fb2016-11-21 17:18:36 +0100672 if (reql <= 0) { /* closed or EOL not found */
673 if (reql == 0)
674 break;
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100675 appctx->st0 = CLI_ST_END;
William Lallemand74c24fb2016-11-21 17:18:36 +0100676 continue;
677 }
678
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200679 if (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)) {
680 /* seek for a possible unescaped semi-colon. If we find
681 * one, we replace it with an LF and skip only this part.
682 */
683 for (len = 0; len < reql; len++) {
684 if (str[len] == '\\') {
685 len++;
686 continue;
687 }
688 if (str[len] == ';') {
689 str[len] = '\n';
690 reql = len + 1;
691 break;
692 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100693 }
694 }
695
696 /* now it is time to check that we have a full line,
697 * remove the trailing \n and possibly \r, then cut the
698 * line.
699 */
700 len = reql - 1;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200701 if (str[len] != '\n') {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100702 appctx->st0 = CLI_ST_END;
William Lallemand74c24fb2016-11-21 17:18:36 +0100703 continue;
704 }
705
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200706 if (len && str[len-1] == '\r')
William Lallemand74c24fb2016-11-21 17:18:36 +0100707 len--;
708
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200709 str[len] = '\0';
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200710 appctx->chunk->data += len;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200711
712 if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200713 appctx->chunk->area[appctx->chunk->data] = '\n';
714 appctx->chunk->area[appctx->chunk->data + 1] = 0;
715 appctx->chunk->data++;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200716 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100717
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100718 appctx->st0 = CLI_ST_PROMPT;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200719
720 if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) {
721 /* empty line */
722 if (!len) {
723 /* remove the last two \n */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200724 appctx->chunk->data -= 2;
725 appctx->chunk->area[appctx->chunk->data] = 0;
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200726
727 if (!cli_parse_request(appctx))
728 cli_gen_usage_msg(appctx);
729
730 chunk_reset(appctx->chunk);
731 /* NB: cli_sock_parse_request() may have put
732 * another CLI_ST_O_* into appctx->st0.
733 */
734
735 appctx->st1 &= ~APPCTX_CLI_ST1_PAYLOAD;
William Lallemand74c24fb2016-11-21 17:18:36 +0100736 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100737 }
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200738 else {
739 /*
740 * Look for the "payload start" pattern at the end of a line
741 * Its location is not remembered here, this is just to switch
742 * to a gathering mode.
William Lallemand74c24fb2016-11-21 17:18:36 +0100743 */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200744 if (!strcmp(appctx->chunk->area + appctx->chunk->data - strlen(PAYLOAD_PATTERN), PAYLOAD_PATTERN))
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200745 appctx->st1 |= APPCTX_CLI_ST1_PAYLOAD;
Andjelko Iharosc3680ec2017-07-20 16:49:14 +0200746 else {
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200747 /* no payload, the command is complete: parse the request */
748 if (!cli_parse_request(appctx))
749 cli_gen_usage_msg(appctx);
750
751 chunk_reset(appctx->chunk);
Andjelko Iharosc3680ec2017-07-20 16:49:14 +0200752 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100753 }
754
755 /* re-adjust req buffer */
Willy Tarreau06d80a92017-10-19 14:32:15 +0200756 co_skip(si_oc(si), reql);
William Lallemand74c24fb2016-11-21 17:18:36 +0100757 req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */
758 }
759 else { /* output functions */
760 switch (appctx->st0) {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100761 case CLI_ST_PROMPT:
William Lallemand74c24fb2016-11-21 17:18:36 +0100762 break;
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100763 case CLI_ST_PRINT:
Andjelko Iharosc4df59e2017-07-20 11:59:48 +0200764 if (cli_output_msg(res, appctx->ctx.cli.msg, appctx->ctx.cli.severity,
765 cli_get_severity_output(appctx)) != -1)
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100766 appctx->st0 = CLI_ST_PROMPT;
William Lallemand74c24fb2016-11-21 17:18:36 +0100767 else
Willy Tarreaudb398432018-11-15 11:08:52 +0100768 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100769 break;
Aurélien Nephtalic511b7c2018-04-16 18:50:19 +0200770 case CLI_ST_PRINT_FREE: {
771 const char *msg = appctx->ctx.cli.err;
772
773 if (!msg)
774 msg = "Out of memory.\n";
775
776 if (cli_output_msg(res, msg, LOG_ERR, cli_get_severity_output(appctx)) != -1) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100777 free(appctx->ctx.cli.err);
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100778 appctx->st0 = CLI_ST_PROMPT;
William Lallemand74c24fb2016-11-21 17:18:36 +0100779 }
780 else
Willy Tarreaudb398432018-11-15 11:08:52 +0100781 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100782 break;
Aurélien Nephtalic511b7c2018-04-16 18:50:19 +0200783 }
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100784 case CLI_ST_CALLBACK: /* use custom pointer */
William Lallemand74c24fb2016-11-21 17:18:36 +0100785 if (appctx->io_handler)
786 if (appctx->io_handler(appctx)) {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100787 appctx->st0 = CLI_ST_PROMPT;
William Lallemand74c24fb2016-11-21 17:18:36 +0100788 if (appctx->io_release) {
789 appctx->io_release(appctx);
790 appctx->io_release = NULL;
791 }
792 }
793 break;
794 default: /* abnormal state */
795 si->flags |= SI_FL_ERR;
796 break;
797 }
798
799 /* The post-command prompt is either LF alone or LF + '> ' in interactive mode */
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100800 if (appctx->st0 == CLI_ST_PROMPT) {
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200801 const char *prompt = "";
802
803 if (appctx->st1 & APPCTX_CLI_ST1_PROMPT) {
804 /*
805 * when entering a payload with interactive mode, change the prompt
806 * to emphasize that more data can still be sent
807 */
Willy Tarreau843b7cb2018-07-13 10:54:26 +0200808 if (appctx->chunk->data && appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +0200809 prompt = "+ ";
810 else
811 prompt = "\n> ";
812 }
813 else {
814 if (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD))
815 prompt = "\n";
816 }
817
818 if (ci_putstr(si_ic(si), prompt) != -1)
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100819 appctx->st0 = CLI_ST_GETREQ;
William Lallemand74c24fb2016-11-21 17:18:36 +0100820 else
Willy Tarreaudb398432018-11-15 11:08:52 +0100821 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100822 }
823
824 /* If the output functions are still there, it means they require more room. */
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100825 if (appctx->st0 >= CLI_ST_OUTPUT)
William Lallemand74c24fb2016-11-21 17:18:36 +0100826 break;
827
828 /* Now we close the output if one of the writers did so,
829 * or if we're not in interactive mode and the request
830 * buffer is empty. This still allows pipelined requests
831 * to be sent in non-interactive mode.
832 */
William Lallemand3de09d52018-12-11 16:10:56 +0100833 if (((res->flags & (CF_SHUTW|CF_SHUTW_NOW))) ||
834 (!(appctx->st1 & APPCTX_CLI_ST1_PROMPT) && !co_data(req) && (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)))) {
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100835 appctx->st0 = CLI_ST_END;
William Lallemand74c24fb2016-11-21 17:18:36 +0100836 continue;
837 }
838
839 /* switch state back to GETREQ to read next requests */
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100840 appctx->st0 = CLI_ST_GETREQ;
William Lallemand74c24fb2016-11-21 17:18:36 +0100841 }
842 }
843
844 if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST)) {
845 DPRINTF(stderr, "%s@%d: si to buf closed. req=%08x, res=%08x, st=%d\n",
846 __FUNCTION__, __LINE__, req->flags, res->flags, si->state);
847 /* Other side has closed, let's abort if we have no more processing to do
848 * and nothing more to consume. This is comparable to a broken pipe, so
849 * we forward the close to the request side so that it flows upstream to
850 * the client.
851 */
852 si_shutw(si);
853 }
854
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100855 if ((req->flags & CF_SHUTW) && (si->state == SI_ST_EST) && (appctx->st0 < CLI_ST_OUTPUT)) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100856 DPRINTF(stderr, "%s@%d: buf to si closed. req=%08x, res=%08x, st=%d\n",
857 __FUNCTION__, __LINE__, req->flags, res->flags, si->state);
858 /* We have no more processing to do, and nothing more to send, and
859 * the client side has closed. So we'll forward this state downstream
860 * on the response buffer.
861 */
862 si_shutr(si);
863 res->flags |= CF_READ_NULL;
864 }
865
866 out:
Christopher Faulet45073512018-07-20 10:16:29 +0200867 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 +0100868 __FUNCTION__, __LINE__,
Christopher Faulet45073512018-07-20 10:16:29 +0200869 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 +0100870}
871
William Lallemand74c24fb2016-11-21 17:18:36 +0100872/* This is called when the stream interface is closed. For instance, upon an
873 * external abort, we won't call the i/o handler anymore so we may need to
874 * remove back references to the stream currently being dumped.
875 */
876static void cli_release_handler(struct appctx *appctx)
877{
878 if (appctx->io_release) {
879 appctx->io_release(appctx);
880 appctx->io_release = NULL;
881 }
Willy Tarreau3b6e5472016-11-24 15:53:53 +0100882 else if (appctx->st0 == CLI_ST_PRINT_FREE) {
William Lallemand74c24fb2016-11-21 17:18:36 +0100883 free(appctx->ctx.cli.err);
884 appctx->ctx.cli.err = NULL;
885 }
William Lallemand74c24fb2016-11-21 17:18:36 +0100886}
887
888/* This function dumps all environmnent variables to the buffer. It returns 0
889 * if the output buffer is full and it needs to be called again, otherwise
Willy Tarreauf6710f82016-12-16 17:45:44 +0100890 * non-zero. Dumps only one entry if st2 == STAT_ST_END. It uses cli.p0 as the
891 * pointer to the current variable.
William Lallemand74c24fb2016-11-21 17:18:36 +0100892 */
Willy Tarreau0a739292016-11-22 20:21:23 +0100893static int cli_io_handler_show_env(struct appctx *appctx)
William Lallemand74c24fb2016-11-21 17:18:36 +0100894{
Willy Tarreau0a739292016-11-22 20:21:23 +0100895 struct stream_interface *si = appctx->owner;
Willy Tarreauf6710f82016-12-16 17:45:44 +0100896 char **var = appctx->ctx.cli.p0;
William Lallemand74c24fb2016-11-21 17:18:36 +0100897
898 if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
899 return 1;
900
901 chunk_reset(&trash);
902
903 /* we have two inner loops here, one for the proxy, the other one for
904 * the buffer.
905 */
Willy Tarreauf6710f82016-12-16 17:45:44 +0100906 while (*var) {
907 chunk_printf(&trash, "%s\n", *var);
William Lallemand74c24fb2016-11-21 17:18:36 +0100908
Willy Tarreau06d80a92017-10-19 14:32:15 +0200909 if (ci_putchk(si_ic(si), &trash) == -1) {
Willy Tarreaudb398432018-11-15 11:08:52 +0100910 si_rx_room_blk(si);
William Lallemand74c24fb2016-11-21 17:18:36 +0100911 return 0;
912 }
913 if (appctx->st2 == STAT_ST_END)
914 break;
Willy Tarreauf6710f82016-12-16 17:45:44 +0100915 var++;
916 appctx->ctx.cli.p0 = var;
William Lallemand74c24fb2016-11-21 17:18:36 +0100917 }
918
919 /* dump complete */
920 return 1;
921}
922
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200923/* This function dumps all file descriptors states (or the requested one) to
924 * the buffer. It returns 0 if the output buffer is full and it needs to be
925 * called again, otherwise non-zero. Dumps only one entry if st2 == STAT_ST_END.
926 * It uses cli.i0 as the fd number to restart from.
927 */
928static int cli_io_handler_show_fd(struct appctx *appctx)
929{
930 struct stream_interface *si = appctx->owner;
931 int fd = appctx->ctx.cli.i0;
Willy Tarreauca1b1572018-12-18 15:45:11 +0100932 int ret = 1;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200933
934 if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
Willy Tarreauca1b1572018-12-18 15:45:11 +0100935 goto end;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200936
937 chunk_reset(&trash);
938
Willy Tarreauca1b1572018-12-18 15:45:11 +0100939 /* isolate the threads once per round. We're limited to a buffer worth
940 * of output anyway, it cannot last very long.
941 */
942 thread_isolate();
943
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200944 /* we have two inner loops here, one for the proxy, the other one for
945 * the buffer.
946 */
Aurélien Nephtali498a1152018-03-09 18:51:16 +0100947 while (fd >= 0 && fd < global.maxsock) {
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200948 struct fdtab fdt;
Willy Tarreau286ec682017-08-09 16:35:44 +0200949 struct listener *li = NULL;
950 struct server *sv = NULL;
951 struct proxy *px = NULL;
Willy Tarreaua833cd92018-03-29 13:19:37 +0200952 const struct mux_ops *mux = NULL;
Willy Tarreau35b1b482018-03-28 18:41:30 +0200953 void *ctx = NULL;
Willy Tarreau286ec682017-08-09 16:35:44 +0200954 uint32_t conn_flags = 0;
Willy Tarreaue9ca8072018-12-19 18:40:58 +0100955 int is_back = 0;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200956
957 fdt = fdtab[fd];
958
Willy Tarreauca1b1572018-12-18 15:45:11 +0100959 if (!fdt.owner)
Willy Tarreau017af242017-10-04 20:24:54 +0200960 goto skip; // closed
961
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200962 if (fdt.iocb == conn_fd_handler) {
963 conn_flags = ((struct connection *)fdt.owner)->flags;
Willy Tarreau35b1b482018-03-28 18:41:30 +0200964 mux = ((struct connection *)fdt.owner)->mux;
Willy Tarreau3d2ee552018-12-19 14:12:10 +0100965 ctx = ((struct connection *)fdt.owner)->ctx;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200966 li = objt_listener(((struct connection *)fdt.owner)->target);
967 sv = objt_server(((struct connection *)fdt.owner)->target);
968 px = objt_proxy(((struct connection *)fdt.owner)->target);
Willy Tarreaue9ca8072018-12-19 18:40:58 +0100969 is_back = conn_is_back((struct connection *)fdt.owner);
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200970 }
971 else if (fdt.iocb == listener_accept)
972 li = fdt.owner;
973
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200974 chunk_printf(&trash,
Willy Tarreauc754b342018-03-30 15:00:15 +0200975 " %5d : st=0x%02x(R:%c%c%c W:%c%c%c) ev=0x%02x(%c%c%c%c%c) [%c%c] cnext=%d cprev=%d tmask=0x%lx umask=0x%lx owner=%p iocb=%p(%s)",
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200976 fd,
977 fdt.state,
978 (fdt.state & FD_EV_POLLED_R) ? 'P' : 'p',
979 (fdt.state & FD_EV_READY_R) ? 'R' : 'r',
980 (fdt.state & FD_EV_ACTIVE_R) ? 'A' : 'a',
981 (fdt.state & FD_EV_POLLED_W) ? 'P' : 'p',
982 (fdt.state & FD_EV_READY_W) ? 'R' : 'r',
983 (fdt.state & FD_EV_ACTIVE_W) ? 'A' : 'a',
984 fdt.ev,
985 (fdt.ev & FD_POLL_HUP) ? 'H' : 'h',
986 (fdt.ev & FD_POLL_ERR) ? 'E' : 'e',
987 (fdt.ev & FD_POLL_OUT) ? 'O' : 'o',
988 (fdt.ev & FD_POLL_PRI) ? 'P' : 'p',
989 (fdt.ev & FD_POLL_IN) ? 'I' : 'i',
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200990 fdt.linger_risk ? 'L' : 'l',
991 fdt.cloned ? 'C' : 'c',
Willy Tarreauc754b342018-03-30 15:00:15 +0200992 fdt.cache.next,
993 fdt.cache.prev,
994 fdt.thread_mask, fdt.update_mask,
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +0200995 fdt.owner,
996 fdt.iocb,
997 (fdt.iocb == conn_fd_handler) ? "conn_fd_handler" :
998 (fdt.iocb == dgram_fd_handler) ? "dgram_fd_handler" :
999 (fdt.iocb == listener_accept) ? "listener_accept" :
Olivier Houchard79321b92018-07-26 17:55:11 +02001000 (fdt.iocb == poller_pipe_io_handler) ? "poller_pipe_io_handler" :
William Lallemanddb6bdfb2018-11-20 17:36:51 +01001001 (fdt.iocb == mworker_accept_wrapper) ? "mworker_accept_wrapper" :
Emeric Brund0e095c2019-04-19 17:15:28 +02001002#ifdef USE_OPENSSL
Willy Tarreau5db847a2019-05-09 14:13:35 +02001003#if (HA_OPENSSL_VERSION_NUMBER >= 0x1010000fL) && !defined(OPENSSL_NO_ASYNC)
Emeric Brund0e095c2019-04-19 17:15:28 +02001004 (fdt.iocb == ssl_async_fd_free) ? "ssl_async_fd_free" :
1005 (fdt.iocb == ssl_async_fd_handler) ? "ssl_async_fd_handler" :
1006#endif
1007#endif
Willy Tarreauc754b342018-03-30 15:00:15 +02001008 "unknown");
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001009
1010 if (fdt.iocb == conn_fd_handler) {
Willy Tarreaue9ca8072018-12-19 18:40:58 +01001011 chunk_appendf(&trash, " back=%d cflg=0x%08x", is_back, conn_flags);
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001012 if (px)
1013 chunk_appendf(&trash, " px=%s", px->id);
1014 else if (sv)
1015 chunk_appendf(&trash, " sv=%s/%s", sv->id, sv->proxy->id);
1016 else if (li)
1017 chunk_appendf(&trash, " fe=%s", li->bind_conf->frontend->id);
Willy Tarreau35b1b482018-03-28 18:41:30 +02001018
Willy Tarreaub011d8f2018-03-30 14:41:19 +02001019 if (mux) {
Willy Tarreau3d2ee552018-12-19 14:12:10 +01001020 chunk_appendf(&trash, " mux=%s ctx=%p", mux->name, ctx);
Willy Tarreaub011d8f2018-03-30 14:41:19 +02001021 if (mux->show_fd)
1022 mux->show_fd(&trash, fdt.owner);
1023 }
Willy Tarreau35b1b482018-03-28 18:41:30 +02001024 else
1025 chunk_appendf(&trash, " nomux");
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001026 }
1027 else if (fdt.iocb == listener_accept) {
1028 chunk_appendf(&trash, " l.st=%s fe=%s",
1029 listener_state_str(li),
1030 li->bind_conf->frontend->id);
1031 }
1032
1033 chunk_appendf(&trash, "\n");
1034
Willy Tarreau06d80a92017-10-19 14:32:15 +02001035 if (ci_putchk(si_ic(si), &trash) == -1) {
Willy Tarreaudb398432018-11-15 11:08:52 +01001036 si_rx_room_blk(si);
Willy Tarreauca1b1572018-12-18 15:45:11 +01001037 appctx->ctx.cli.i0 = fd;
1038 ret = 0;
1039 break;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001040 }
1041 skip:
1042 if (appctx->st2 == STAT_ST_END)
1043 break;
1044
1045 fd++;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001046 }
1047
Willy Tarreauca1b1572018-12-18 15:45:11 +01001048 end:
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001049 /* dump complete */
Willy Tarreauca1b1572018-12-18 15:45:11 +01001050
1051 thread_release();
1052 return ret;
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001053}
1054
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001055/* This function dumps some activity counters used by developers and support to
1056 * rule out some hypothesis during bug reports. It returns 0 if the output
1057 * buffer is full and it needs to be called again, otherwise non-zero. It dumps
1058 * everything at once in the buffer and is not designed to do it in multiple
1059 * passes.
1060 */
1061static int cli_io_handler_show_activity(struct appctx *appctx)
1062{
1063 struct stream_interface *si = appctx->owner;
1064 int thr;
1065
1066 if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
1067 return 1;
1068
1069 chunk_reset(&trash);
1070
1071 chunk_appendf(&trash, "thread_id: %u", tid);
1072 chunk_appendf(&trash, "\ndate_now: %lu.%06lu", (long)now.tv_sec, (long)now.tv_usec);
1073 chunk_appendf(&trash, "\nloops:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].loops);
1074 chunk_appendf(&trash, "\nwake_cache:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].wake_cache);
1075 chunk_appendf(&trash, "\nwake_tasks:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].wake_tasks);
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001076 chunk_appendf(&trash, "\nwake_signal:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].wake_signal);
1077 chunk_appendf(&trash, "\npoll_exp:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].poll_exp);
1078 chunk_appendf(&trash, "\npoll_drop:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].poll_drop);
1079 chunk_appendf(&trash, "\npoll_dead:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].poll_dead);
1080 chunk_appendf(&trash, "\npoll_skip:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].poll_skip);
1081 chunk_appendf(&trash, "\nfd_skip:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].fd_skip);
1082 chunk_appendf(&trash, "\nfd_lock:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].fd_lock);
1083 chunk_appendf(&trash, "\nfd_del:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].fd_del);
1084 chunk_appendf(&trash, "\nconn_dead:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].conn_dead);
1085 chunk_appendf(&trash, "\nstream:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].stream);
1086 chunk_appendf(&trash, "\nempty_rq:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].empty_rq);
1087 chunk_appendf(&trash, "\nlong_rq:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].long_rq);
Willy Tarreaubc13bec2019-04-30 14:55:18 +02001088 chunk_appendf(&trash, "\nctxsw:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].ctxsw);
1089 chunk_appendf(&trash, "\ntasksw:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].tasksw);
Willy Tarreau4f93e0c2018-11-22 16:13:17 +01001090 chunk_appendf(&trash, "\ncpust_ms_tot:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].cpust_total/2);
1091 chunk_appendf(&trash, "\ncpust_ms_1s:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", read_freq_ctr(&activity[thr].cpust_1s)/2);
1092 chunk_appendf(&trash, "\ncpust_ms_15s:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", read_freq_ctr_period(&activity[thr].cpust_15s, 15000)/2);
Willy Tarreaubaba82f2018-11-22 08:42:42 +01001093 chunk_appendf(&trash, "\navg_loop_us:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", swrate_avg(activity[thr].avg_loop_us, TIME_STATS_SAMPLES));
Willy Tarreau64a9c052019-04-12 15:27:17 +02001094 chunk_appendf(&trash, "\naccepted:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].accepted);
Willy Tarreau8a034082019-02-27 10:45:55 +01001095 chunk_appendf(&trash, "\naccq_pushed:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].accq_pushed);
1096 chunk_appendf(&trash, "\naccq_full:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].accq_full);
Willy Tarreaue6182842019-04-15 18:54:10 +02001097#ifdef USE_THREAD
Willy Tarreaua8f57d52019-04-12 15:29:23 +02001098 chunk_appendf(&trash, "\naccq_ring:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", (accept_queue_rings[thr].tail - accept_queue_rings[thr].head + ACCEPT_QUEUE_SIZE)%ACCEPT_QUEUE_SIZE);
Willy Tarreaue6182842019-04-15 18:54:10 +02001099#endif
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001100
1101 chunk_appendf(&trash, "\n");
1102
1103 if (ci_putchk(si_ic(si), &trash) == -1) {
1104 chunk_reset(&trash);
1105 chunk_printf(&trash, "[output too large, cannot dump]\n");
Willy Tarreaudb398432018-11-15 11:08:52 +01001106 si_rx_room_blk(si);
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001107 }
1108
1109 /* dump complete */
1110 return 1;
1111}
1112
William Lallemandeceddf72016-12-15 18:06:44 +01001113/*
Willy Tarreau3af9d832016-12-16 12:58:09 +01001114 * CLI IO handler for `show cli sockets`.
1115 * Uses ctx.cli.p0 to store the restart pointer.
William Lallemandeceddf72016-12-15 18:06:44 +01001116 */
1117static int cli_io_handler_show_cli_sock(struct appctx *appctx)
1118{
1119 struct bind_conf *bind_conf;
1120 struct stream_interface *si = appctx->owner;
1121
1122 chunk_reset(&trash);
1123
1124 switch (appctx->st2) {
1125 case STAT_ST_INIT:
1126 chunk_printf(&trash, "# socket lvl processes\n");
Willy Tarreau06d80a92017-10-19 14:32:15 +02001127 if (ci_putchk(si_ic(si), &trash) == -1) {
Willy Tarreaudb398432018-11-15 11:08:52 +01001128 si_rx_room_blk(si);
William Lallemandeceddf72016-12-15 18:06:44 +01001129 return 0;
1130 }
William Lallemandeceddf72016-12-15 18:06:44 +01001131 appctx->st2 = STAT_ST_LIST;
1132
1133 case STAT_ST_LIST:
1134 if (global.stats_fe) {
1135 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
1136 struct listener *l;
1137
1138 /*
Willy Tarreau3af9d832016-12-16 12:58:09 +01001139 * get the latest dumped node in appctx->ctx.cli.p0
William Lallemandeceddf72016-12-15 18:06:44 +01001140 * if the current node is the first of the list
1141 */
1142
Willy Tarreau3af9d832016-12-16 12:58:09 +01001143 if (appctx->ctx.cli.p0 &&
1144 &bind_conf->by_fe == (&global.stats_fe->conf.bind)->n) {
William Lallemandeceddf72016-12-15 18:06:44 +01001145 /* change the current node to the latest dumped and continue the loop */
Willy Tarreau3af9d832016-12-16 12:58:09 +01001146 bind_conf = LIST_ELEM(appctx->ctx.cli.p0, typeof(bind_conf), by_fe);
William Lallemandeceddf72016-12-15 18:06:44 +01001147 continue;
1148 }
1149
1150 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
1151
1152 char addr[46];
1153 char port[6];
1154
1155 if (l->addr.ss_family == AF_UNIX) {
1156 const struct sockaddr_un *un;
1157
1158 un = (struct sockaddr_un *)&l->addr;
William Lallemande58915f2019-04-01 11:30:05 +02001159 if (un->sun_path[0] == '\0') {
William Lallemand75812a72019-04-01 11:30:04 +02001160 chunk_appendf(&trash, "abns@%s ", un->sun_path+1);
William Lallemande58915f2019-04-01 11:30:05 +02001161 } else {
1162 chunk_appendf(&trash, "unix@%s ", un->sun_path);
1163 }
William Lallemandeceddf72016-12-15 18:06:44 +01001164 } else if (l->addr.ss_family == AF_INET) {
1165 addr_to_str(&l->addr, addr, sizeof(addr));
1166 port_to_str(&l->addr, port, sizeof(port));
William Lallemande58915f2019-04-01 11:30:05 +02001167 chunk_appendf(&trash, "ipv4@%s:%s ", addr, port);
William Lallemandeceddf72016-12-15 18:06:44 +01001168 } else if (l->addr.ss_family == AF_INET6) {
1169 addr_to_str(&l->addr, addr, sizeof(addr));
1170 port_to_str(&l->addr, port, sizeof(port));
William Lallemande58915f2019-04-01 11:30:05 +02001171 chunk_appendf(&trash, "ipv6@[%s]:%s ", addr, port);
William Lallemand26314342018-10-26 14:47:41 +02001172 } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) {
1173 chunk_appendf(&trash, "sockpair@%d ", ((struct sockaddr_in *)&l->addr)->sin_addr.s_addr);
William Lallemandeceddf72016-12-15 18:06:44 +01001174 } else
William Lallemand26314342018-10-26 14:47:41 +02001175 chunk_appendf(&trash, "unknown ");
William Lallemandeceddf72016-12-15 18:06:44 +01001176
William Lallemand07a62f72017-05-24 00:57:40 +02001177 if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN)
William Lallemandeceddf72016-12-15 18:06:44 +01001178 chunk_appendf(&trash, "admin ");
William Lallemand07a62f72017-05-24 00:57:40 +02001179 else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER)
1180 chunk_appendf(&trash, "operator ");
1181 else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_USER)
1182 chunk_appendf(&trash, "user ");
William Lallemandeceddf72016-12-15 18:06:44 +01001183 else
1184 chunk_appendf(&trash, " ");
1185
1186 if (bind_conf->bind_proc != 0) {
1187 int pos;
Willy Tarreau20c5e522016-12-16 12:50:55 +01001188 for (pos = 0; pos < 8 * sizeof(bind_conf->bind_proc); pos++) {
Willy Tarreau4305ac72016-12-16 12:56:31 +01001189 if (bind_conf->bind_proc & (1UL << pos)) {
William Lallemandeceddf72016-12-15 18:06:44 +01001190 chunk_appendf(&trash, "%d,", pos+1);
1191 }
1192 }
1193 /* replace the latest comma by a newline */
Willy Tarreau843b7cb2018-07-13 10:54:26 +02001194 trash.area[trash.data-1] = '\n';
William Lallemandeceddf72016-12-15 18:06:44 +01001195
1196 } else {
1197 chunk_appendf(&trash, "all\n");
1198 }
1199
Willy Tarreau06d80a92017-10-19 14:32:15 +02001200 if (ci_putchk(si_ic(si), &trash) == -1) {
Willy Tarreaudb398432018-11-15 11:08:52 +01001201 si_rx_room_blk(si);
William Lallemandeceddf72016-12-15 18:06:44 +01001202 return 0;
1203 }
1204 }
Willy Tarreau3af9d832016-12-16 12:58:09 +01001205 appctx->ctx.cli.p0 = &bind_conf->by_fe; /* store the latest list node dumped */
William Lallemandeceddf72016-12-15 18:06:44 +01001206 }
1207 }
1208 default:
1209 appctx->st2 = STAT_ST_FIN;
1210 return 1;
1211 }
1212}
1213
1214
Willy Tarreau0a739292016-11-22 20:21:23 +01001215/* parse a "show env" CLI request. Returns 0 if it needs to continue, 1 if it
Willy Tarreauf6710f82016-12-16 17:45:44 +01001216 * wants to stop here. It puts the variable to be dumped into cli.p0 if a single
1217 * variable is requested otherwise puts environ there.
Willy Tarreau0a739292016-11-22 20:21:23 +01001218 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001219static int cli_parse_show_env(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau0a739292016-11-22 20:21:23 +01001220{
1221 extern char **environ;
Willy Tarreauf6710f82016-12-16 17:45:44 +01001222 char **var;
Willy Tarreau0a739292016-11-22 20:21:23 +01001223
1224 if (!cli_has_level(appctx, ACCESS_LVL_OPER))
1225 return 1;
1226
Willy Tarreauf6710f82016-12-16 17:45:44 +01001227 var = environ;
Willy Tarreau0a739292016-11-22 20:21:23 +01001228
1229 if (*args[2]) {
1230 int len = strlen(args[2]);
1231
Willy Tarreauf6710f82016-12-16 17:45:44 +01001232 for (; *var; var++) {
1233 if (strncmp(*var, args[2], len) == 0 &&
1234 (*var)[len] == '=')
Willy Tarreau0a739292016-11-22 20:21:23 +01001235 break;
1236 }
Willy Tarreauf6710f82016-12-16 17:45:44 +01001237 if (!*var) {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001238 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau0a739292016-11-22 20:21:23 +01001239 appctx->ctx.cli.msg = "Variable not found\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001240 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau0a739292016-11-22 20:21:23 +01001241 return 1;
1242 }
1243 appctx->st2 = STAT_ST_END;
1244 }
Willy Tarreauf6710f82016-12-16 17:45:44 +01001245 appctx->ctx.cli.p0 = var;
Willy Tarreau0a739292016-11-22 20:21:23 +01001246 return 0;
1247}
1248
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001249/* parse a "show fd" CLI request. Returns 0 if it needs to continue, 1 if it
1250 * wants to stop here. It puts the FD number into cli.i0 if a specific FD is
1251 * requested and sets st2 to STAT_ST_END, otherwise leaves 0 in i0.
1252 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001253static int cli_parse_show_fd(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau7a4a0ac2017-07-25 19:32:50 +02001254{
1255 if (!cli_has_level(appctx, ACCESS_LVL_OPER))
1256 return 1;
1257
1258 appctx->ctx.cli.i0 = 0;
1259
1260 if (*args[2]) {
1261 appctx->ctx.cli.i0 = atoi(args[2]);
1262 appctx->st2 = STAT_ST_END;
1263 }
1264 return 0;
1265}
1266
Willy Tarreau599852e2016-11-22 20:33:32 +01001267/* parse a "set timeout" CLI request. It always returns 1. */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001268static int cli_parse_set_timeout(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau599852e2016-11-22 20:33:32 +01001269{
1270 struct stream_interface *si = appctx->owner;
1271 struct stream *s = si_strm(si);
1272
1273 if (strcmp(args[2], "cli") == 0) {
1274 unsigned timeout;
1275 const char *res;
1276
1277 if (!*args[3]) {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001278 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau599852e2016-11-22 20:33:32 +01001279 appctx->ctx.cli.msg = "Expects an integer value.\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001280 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau599852e2016-11-22 20:33:32 +01001281 return 1;
1282 }
1283
1284 res = parse_time_err(args[3], &timeout, TIME_UNIT_S);
1285 if (res || timeout < 1) {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001286 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau599852e2016-11-22 20:33:32 +01001287 appctx->ctx.cli.msg = "Invalid timeout value.\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001288 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau599852e2016-11-22 20:33:32 +01001289 return 1;
1290 }
1291
1292 s->req.rto = s->res.wto = 1 + MS_TO_TICKS(timeout*1000);
1293 task_wakeup(s->task, TASK_WOKEN_MSG); // recompute timeouts
1294 return 1;
1295 }
1296 else {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001297 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau599852e2016-11-22 20:33:32 +01001298 appctx->ctx.cli.msg = "'set timeout' only supports 'cli'.\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001299 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau599852e2016-11-22 20:33:32 +01001300 return 1;
1301 }
1302}
1303
Willy Tarreau2af99412016-11-23 11:10:59 +01001304/* parse a "set maxconn global" command. It always returns 1. */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001305static int cli_parse_set_maxconn_global(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau2af99412016-11-23 11:10:59 +01001306{
1307 int v;
1308
1309 if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
1310 return 1;
1311
1312 if (!*args[3]) {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001313 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau2af99412016-11-23 11:10:59 +01001314 appctx->ctx.cli.msg = "Expects an integer value.\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001315 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau2af99412016-11-23 11:10:59 +01001316 return 1;
1317 }
1318
1319 v = atoi(args[3]);
1320 if (v > global.hardmaxconn) {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001321 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau2af99412016-11-23 11:10:59 +01001322 appctx->ctx.cli.msg = "Value out of range.\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001323 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau2af99412016-11-23 11:10:59 +01001324 return 1;
1325 }
1326
1327 /* check for unlimited values */
1328 if (v <= 0)
1329 v = global.hardmaxconn;
1330
1331 global.maxconn = v;
1332
1333 /* Dequeues all of the listeners waiting for a resource */
1334 if (!LIST_ISEMPTY(&global_listener_queue))
1335 dequeue_all_listeners(&global_listener_queue);
1336
1337 return 1;
1338}
1339
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02001340static int set_severity_output(int *target, char *argument)
1341{
1342 if (!strcmp(argument, "none")) {
1343 *target = CLI_SEVERITY_NONE;
1344 return 1;
1345 }
1346 else if (!strcmp(argument, "number")) {
1347 *target = CLI_SEVERITY_NUMBER;
1348 return 1;
1349 }
1350 else if (!strcmp(argument, "string")) {
1351 *target = CLI_SEVERITY_STRING;
1352 return 1;
1353 }
1354 return 0;
1355}
1356
1357/* parse a "set severity-output" command. */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001358static int cli_parse_set_severity_output(char **args, char *payload, struct appctx *appctx, void *private)
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02001359{
1360 if (*args[2] && set_severity_output(&appctx->cli_severity_output, args[2]))
1361 return 0;
1362
1363 appctx->ctx.cli.severity = LOG_ERR;
Aurélien Nephtali6e8a41d2018-03-15 21:48:50 +01001364 appctx->ctx.cli.msg = "one of 'none', 'number', 'string' is a required argument\n";
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02001365 appctx->st0 = CLI_ST_PRINT;
1366 return 1;
1367}
William Lallemandeceddf72016-12-15 18:06:44 +01001368
William Lallemand67a234f2018-12-13 09:05:45 +01001369
1370/* show the level of the current CLI session */
1371static int cli_parse_show_lvl(char **args, char *payload, struct appctx *appctx, void *private)
1372{
1373
1374 appctx->ctx.cli.severity = LOG_INFO;
1375 if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN)
1376 appctx->ctx.cli.msg = "admin\n";
1377 else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER)
1378 appctx->ctx.cli.msg = "operator\n";
1379 else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_USER)
1380 appctx->ctx.cli.msg = "user\n";
1381 else
1382 appctx->ctx.cli.msg = "unknown\n";
1383
1384 appctx->st0 = CLI_ST_PRINT;
1385 return 1;
1386
1387}
1388
1389/* parse and set the CLI level dynamically */
1390static int cli_parse_set_lvl(char **args, char *payload, struct appctx *appctx, void *private)
1391{
1392 if (!strcmp(args[0], "operator")) {
1393 if (!cli_has_level(appctx, ACCESS_LVL_OPER)) {
1394 return 1;
1395 }
1396 appctx->cli_level &= ~ACCESS_LVL_MASK;
1397 appctx->cli_level |= ACCESS_LVL_OPER;
1398
1399 } else if (!strcmp(args[0], "user")) {
1400 if (!cli_has_level(appctx, ACCESS_LVL_USER)) {
1401 return 1;
1402 }
1403 appctx->cli_level &= ~ACCESS_LVL_MASK;
1404 appctx->cli_level |= ACCESS_LVL_USER;
1405 }
1406 return 1;
1407}
1408
William Lallemanda57b7e32018-12-14 21:11:31 +01001409
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001410int cli_parse_default(char **args, char *payload, struct appctx *appctx, void *private)
William Lallemandeceddf72016-12-15 18:06:44 +01001411{
1412 return 0;
1413}
1414
Willy Tarreau45c742b2016-11-24 14:51:17 +01001415/* parse a "set rate-limit" command. It always returns 1. */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001416static int cli_parse_set_ratelimit(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau45c742b2016-11-24 14:51:17 +01001417{
1418 int v;
1419 int *res;
1420 int mul = 1;
1421
1422 if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
1423 return 1;
1424
1425 if (strcmp(args[2], "connections") == 0 && strcmp(args[3], "global") == 0)
1426 res = &global.cps_lim;
1427 else if (strcmp(args[2], "sessions") == 0 && strcmp(args[3], "global") == 0)
1428 res = &global.sps_lim;
1429#ifdef USE_OPENSSL
1430 else if (strcmp(args[2], "ssl-sessions") == 0 && strcmp(args[3], "global") == 0)
1431 res = &global.ssl_lim;
1432#endif
1433 else if (strcmp(args[2], "http-compression") == 0 && strcmp(args[3], "global") == 0) {
1434 res = &global.comp_rate_lim;
1435 mul = 1024;
1436 }
1437 else {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001438 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau45c742b2016-11-24 14:51:17 +01001439 appctx->ctx.cli.msg =
1440 "'set rate-limit' only supports :\n"
1441 " - 'connections global' to set the per-process maximum connection rate\n"
1442 " - 'sessions global' to set the per-process maximum session rate\n"
1443#ifdef USE_OPENSSL
Aurélien Nephtalib53e2082018-03-11 16:55:02 +01001444 " - 'ssl-sessions global' to set the per-process maximum SSL session rate\n"
Willy Tarreau45c742b2016-11-24 14:51:17 +01001445#endif
1446 " - 'http-compression global' to set the per-process maximum compression speed in kB/s\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001447 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau45c742b2016-11-24 14:51:17 +01001448 return 1;
1449 }
1450
1451 if (!*args[4]) {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001452 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau45c742b2016-11-24 14:51:17 +01001453 appctx->ctx.cli.msg = "Expects an integer value.\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001454 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau45c742b2016-11-24 14:51:17 +01001455 return 1;
1456 }
1457
1458 v = atoi(args[4]);
1459 if (v < 0) {
Andjelko Iharosc3680ec2017-07-20 16:49:14 +02001460 appctx->ctx.cli.severity = LOG_ERR;
Willy Tarreau45c742b2016-11-24 14:51:17 +01001461 appctx->ctx.cli.msg = "Value out of range.\n";
Willy Tarreau3b6e5472016-11-24 15:53:53 +01001462 appctx->st0 = CLI_ST_PRINT;
Willy Tarreau45c742b2016-11-24 14:51:17 +01001463 return 1;
1464 }
1465
1466 *res = v * mul;
1467
1468 /* Dequeues all of the listeners waiting for a resource */
1469 if (!LIST_ISEMPTY(&global_listener_queue))
1470 dequeue_all_listeners(&global_listener_queue);
1471
1472 return 1;
1473}
1474
William Lallemandf6975e92017-05-26 17:42:10 +02001475/* parse the "expose-fd" argument on the bind lines */
1476static int bind_parse_expose_fd(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
1477{
1478 if (!*args[cur_arg + 1]) {
1479 memprintf(err, "'%s' : missing fd type", args[cur_arg]);
1480 return ERR_ALERT | ERR_FATAL;
1481 }
1482 if (!strcmp(args[cur_arg+1], "listeners")) {
1483 conf->level |= ACCESS_FD_LISTENERS;
1484 } else {
1485 memprintf(err, "'%s' only supports 'listeners' (got '%s')",
1486 args[cur_arg], args[cur_arg+1]);
1487 return ERR_ALERT | ERR_FATAL;
1488 }
1489
1490 return 0;
1491}
1492
William Lallemand74c24fb2016-11-21 17:18:36 +01001493/* parse the "level" argument on the bind lines */
1494static int bind_parse_level(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
1495{
1496 if (!*args[cur_arg + 1]) {
1497 memprintf(err, "'%s' : missing level", args[cur_arg]);
1498 return ERR_ALERT | ERR_FATAL;
1499 }
1500
William Lallemand07a62f72017-05-24 00:57:40 +02001501 if (!strcmp(args[cur_arg+1], "user")) {
1502 conf->level &= ~ACCESS_LVL_MASK;
1503 conf->level |= ACCESS_LVL_USER;
1504 } else if (!strcmp(args[cur_arg+1], "operator")) {
1505 conf->level &= ~ACCESS_LVL_MASK;
1506 conf->level |= ACCESS_LVL_OPER;
1507 } else if (!strcmp(args[cur_arg+1], "admin")) {
1508 conf->level &= ~ACCESS_LVL_MASK;
1509 conf->level |= ACCESS_LVL_ADMIN;
1510 } else {
William Lallemand74c24fb2016-11-21 17:18:36 +01001511 memprintf(err, "'%s' only supports 'user', 'operator', and 'admin' (got '%s')",
1512 args[cur_arg], args[cur_arg+1]);
1513 return ERR_ALERT | ERR_FATAL;
1514 }
1515
1516 return 0;
1517}
1518
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02001519static int bind_parse_severity_output(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
1520{
1521 if (!*args[cur_arg + 1]) {
1522 memprintf(err, "'%s' : missing severity format", args[cur_arg]);
1523 return ERR_ALERT | ERR_FATAL;
1524 }
1525
1526 if (set_severity_output(&conf->severity_output, args[cur_arg+1]))
1527 return 0;
1528 else {
1529 memprintf(err, "'%s' only supports 'none', 'number', and 'string' (got '%s')",
1530 args[cur_arg], args[cur_arg+1]);
1531 return ERR_ALERT | ERR_FATAL;
1532 }
1533}
1534
William Lallemand16dd1b32018-11-19 18:46:18 +01001535
William Lallemandb9f9e3b2018-10-26 14:47:39 +02001536
Olivier Houchardf886e342017-04-05 22:24:59 +02001537/* Send all the bound sockets, always returns 1 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001538static int _getsocks(char **args, char *payload, struct appctx *appctx, void *private)
Olivier Houchardf886e342017-04-05 22:24:59 +02001539{
1540 char *cmsgbuf = NULL;
1541 unsigned char *tmpbuf = NULL;
1542 struct cmsghdr *cmsg;
1543 struct stream_interface *si = appctx->owner;
William Lallemandf6975e92017-05-26 17:42:10 +02001544 struct stream *s = si_strm(si);
Olivier Houchard9aaf7782017-09-13 18:30:23 +02001545 struct connection *remote = cs_conn(objt_cs(si_opposite(si)->end));
Olivier Houchardf886e342017-04-05 22:24:59 +02001546 struct msghdr msghdr;
1547 struct iovec iov;
Olivier Houchard54740872017-04-06 14:45:14 +02001548 struct timeval tv = { .tv_sec = 1, .tv_usec = 0 };
Olivier Houchardf886e342017-04-05 22:24:59 +02001549 int *tmpfd;
1550 int tot_fd_nb = 0;
1551 struct proxy *px;
1552 int i = 0;
Willy Tarreauc2b7f802018-09-20 11:22:29 +02001553 int fd = -1;
Olivier Houchardf886e342017-04-05 22:24:59 +02001554 int curoff = 0;
Willy Tarreauc2b7f802018-09-20 11:22:29 +02001555 int old_fcntl = -1;
Olivier Houchardf886e342017-04-05 22:24:59 +02001556 int ret;
1557
Willy Tarreauc2b7f802018-09-20 11:22:29 +02001558 if (!remote) {
1559 ha_warning("Only works on real connections\n");
1560 goto out;
1561 }
1562
1563 fd = remote->handle.fd;
1564
Olivier Houchardf886e342017-04-05 22:24:59 +02001565 /* Temporary set the FD in blocking mode, that will make our life easier */
1566 old_fcntl = fcntl(fd, F_GETFL);
1567 if (old_fcntl < 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001568 ha_warning("Couldn't get the flags for the unix socket\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001569 goto out;
1570 }
1571 cmsgbuf = malloc(CMSG_SPACE(sizeof(int) * MAX_SEND_FD));
1572 if (!cmsgbuf) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001573 ha_warning("Failed to allocate memory to send sockets\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001574 goto out;
1575 }
1576 if (fcntl(fd, F_SETFL, old_fcntl &~ O_NONBLOCK) == -1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001577 ha_warning("Cannot make the unix socket blocking\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001578 goto out;
1579 }
Olivier Houchard54740872017-04-06 14:45:14 +02001580 setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (void *)&tv, sizeof(tv));
Olivier Houchardf886e342017-04-05 22:24:59 +02001581 iov.iov_base = &tot_fd_nb;
1582 iov.iov_len = sizeof(tot_fd_nb);
William Lallemandf6975e92017-05-26 17:42:10 +02001583 if (!(strm_li(s)->bind_conf->level & ACCESS_FD_LISTENERS))
Olivier Houchardf886e342017-04-05 22:24:59 +02001584 goto out;
1585 memset(&msghdr, 0, sizeof(msghdr));
1586 /*
1587 * First, calculates the total number of FD, so that we can let
1588 * the caller know how much he should expects.
1589 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001590 px = proxies_list;
Olivier Houchardf886e342017-04-05 22:24:59 +02001591 while (px) {
1592 struct listener *l;
1593
1594 list_for_each_entry(l, &px->conf.listeners, by_fe) {
Olivier Houchard1fc05162017-04-06 01:05:05 +02001595 /* Only transfer IPv4/IPv6/UNIX sockets */
1596 if (l->state >= LI_ZOMBIE &&
1597 (l->proto->sock_family == AF_INET ||
Olivier Houchardf886e342017-04-05 22:24:59 +02001598 l->proto->sock_family == AF_INET6 ||
Olivier Houchard1fc05162017-04-06 01:05:05 +02001599 l->proto->sock_family == AF_UNIX))
Olivier Houchardf886e342017-04-05 22:24:59 +02001600 tot_fd_nb++;
1601 }
1602 px = px->next;
1603 }
1604 if (tot_fd_nb == 0)
1605 goto out;
1606
1607 /* First send the total number of file descriptors, so that the
1608 * receiving end knows what to expect.
1609 */
1610 msghdr.msg_iov = &iov;
1611 msghdr.msg_iovlen = 1;
1612 ret = sendmsg(fd, &msghdr, 0);
1613 if (ret != sizeof(tot_fd_nb)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001614 ha_warning("Failed to send the number of sockets to send\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001615 goto out;
1616 }
1617
1618 /* Now send the fds */
1619 msghdr.msg_control = cmsgbuf;
1620 msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * MAX_SEND_FD);
1621 cmsg = CMSG_FIRSTHDR(&msghdr);
1622 cmsg->cmsg_len = CMSG_LEN(MAX_SEND_FD * sizeof(int));
1623 cmsg->cmsg_level = SOL_SOCKET;
1624 cmsg->cmsg_type = SCM_RIGHTS;
1625 tmpfd = (int *)CMSG_DATA(cmsg);
1626
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001627 px = proxies_list;
Olivier Houchardf886e342017-04-05 22:24:59 +02001628 /* For each socket, e message is sent, containing the following :
1629 * Size of the namespace name (or 0 if none), as an unsigned char.
1630 * The namespace name, if any
1631 * Size of the interface name (or 0 if none), as an unsigned char
1632 * The interface name, if any
1633 * Listener options, as an int.
1634 */
1635 /* We will send sockets MAX_SEND_FD per MAX_SEND_FD, allocate a
1636 * buffer big enough to store the socket informations.
1637 */
Olivier Houchardf143b802017-11-04 15:13:01 +01001638 tmpbuf = malloc(MAX_SEND_FD * (1 + MAXPATHLEN + 1 + IFNAMSIZ + sizeof(int)));
Olivier Houchardf886e342017-04-05 22:24:59 +02001639 if (tmpbuf == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001640 ha_warning("Failed to allocate memory to transfer socket informations\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001641 goto out;
1642 }
1643 iov.iov_base = tmpbuf;
1644 while (px) {
1645 struct listener *l;
1646
1647 list_for_each_entry(l, &px->conf.listeners, by_fe) {
1648 int ret;
1649 /* Only transfer IPv4/IPv6 sockets */
Olivier Houchard1fc05162017-04-06 01:05:05 +02001650 if (l->state >= LI_ZOMBIE &&
Olivier Houchardf886e342017-04-05 22:24:59 +02001651 (l->proto->sock_family == AF_INET ||
1652 l->proto->sock_family == AF_INET6 ||
1653 l->proto->sock_family == AF_UNIX)) {
1654 memcpy(&tmpfd[i % MAX_SEND_FD], &l->fd, sizeof(l->fd));
1655 if (!l->netns)
1656 tmpbuf[curoff++] = 0;
1657#ifdef CONFIG_HAP_NS
1658 else {
1659 char *name = l->netns->node.key;
1660 unsigned char len = l->netns->name_len;
1661 tmpbuf[curoff++] = len;
1662 memcpy(tmpbuf + curoff, name, len);
1663 curoff += len;
1664 }
1665#endif
1666 if (l->interface) {
1667 unsigned char len = strlen(l->interface);
1668 tmpbuf[curoff++] = len;
1669 memcpy(tmpbuf + curoff, l->interface, len);
1670 curoff += len;
1671 } else
1672 tmpbuf[curoff++] = 0;
1673 memcpy(tmpbuf + curoff, &l->options,
1674 sizeof(l->options));
1675 curoff += sizeof(l->options);
1676
1677
1678 i++;
1679 } else
1680 continue;
1681 if ((!(i % MAX_SEND_FD))) {
1682 iov.iov_len = curoff;
1683 if (sendmsg(fd, &msghdr, 0) != curoff) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001684 ha_warning("Failed to transfer sockets\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001685 goto out;
1686 }
1687 /* Wait for an ack */
1688 do {
1689 ret = recv(fd, &tot_fd_nb,
1690 sizeof(tot_fd_nb), 0);
1691 } while (ret == -1 && errno == EINTR);
1692 if (ret <= 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001693 ha_warning("Unexpected error while transferring sockets\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001694 goto out;
1695 }
1696 curoff = 0;
1697 }
1698
1699 }
1700 px = px->next;
1701 }
1702 if (i % MAX_SEND_FD) {
1703 iov.iov_len = curoff;
1704 cmsg->cmsg_len = CMSG_LEN((i % MAX_SEND_FD) * sizeof(int));
1705 msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * (i % MAX_SEND_FD));
1706 if (sendmsg(fd, &msghdr, 0) != curoff) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001707 ha_warning("Failed to transfer sockets\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001708 goto out;
1709 }
1710 }
1711
1712out:
Willy Tarreauc2b7f802018-09-20 11:22:29 +02001713 if (fd >= 0 && old_fcntl >= 0 && fcntl(fd, F_SETFL, old_fcntl) == -1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001714 ha_warning("Cannot make the unix socket non-blocking\n");
Olivier Houchardf886e342017-04-05 22:24:59 +02001715 goto out;
1716 }
1717 appctx->st0 = CLI_ST_END;
1718 free(cmsgbuf);
1719 free(tmpbuf);
1720 return 1;
1721}
1722
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02001723static int cli_parse_simple(char **args, char *payload, struct appctx *appctx, void *private)
1724{
1725 if (*args[0] == 'h')
1726 /* help */
1727 cli_gen_usage_msg(appctx);
1728 else if (*args[0] == 'p')
1729 /* prompt */
1730 appctx->st1 ^= APPCTX_CLI_ST1_PROMPT;
1731 else if (*args[0] == 'q')
1732 /* quit */
1733 appctx->st0 = CLI_ST_END;
1734
1735 return 1;
1736}
Olivier Houchardf886e342017-04-05 22:24:59 +02001737
William Lallemand2f4ce202018-10-26 14:47:47 +02001738void pcli_write_prompt(struct stream *s)
1739{
1740 struct buffer *msg = get_trash_chunk();
1741 struct channel *oc = si_oc(&s->si[0]);
1742
William Lallemanddc12c2e2018-12-13 09:05:46 +01001743 if (!(s->pcli_flags & PCLI_F_PROMPT))
William Lallemand5b80fa22018-12-11 16:10:54 +01001744 return;
1745
William Lallemanddc12c2e2018-12-13 09:05:46 +01001746 if (s->pcli_flags & PCLI_F_PAYLOAD) {
William Lallemandebf61802018-12-11 16:10:57 +01001747 chunk_appendf(msg, "+ ");
1748 } else {
1749 if (s->pcli_next_pid == 0)
Willy Tarreau52880f92018-12-15 13:30:03 +01001750 chunk_appendf(msg, "master%s> ",
1751 (global.mode & MODE_MWORKER_WAIT) ? "[ReloadFailed]" : "");
William Lallemandebf61802018-12-11 16:10:57 +01001752 else
1753 chunk_appendf(msg, "%d> ", s->pcli_next_pid);
1754 }
William Lallemand2f4ce202018-10-26 14:47:47 +02001755 co_inject(oc, msg->area, msg->data);
1756}
1757
William Lallemand291810d2018-10-26 14:47:38 +02001758
William Lallemandcf62f7e2018-10-26 14:47:40 +02001759/* The pcli_* functions are used for the CLI proxy in the master */
1760
William Lallemanddeeaa592018-10-26 14:47:48 +02001761void pcli_reply_and_close(struct stream *s, const char *msg)
1762{
1763 struct buffer *buf = get_trash_chunk();
1764
1765 chunk_initstr(buf, msg);
Willy Tarreau14bfe9a2018-12-19 15:19:27 +01001766 si_retnclose(&s->si[0], buf);
William Lallemanddeeaa592018-10-26 14:47:48 +02001767}
1768
William Lallemand291810d2018-10-26 14:47:38 +02001769static enum obj_type *pcli_pid_to_server(int proc_pid)
1770{
1771 struct mworker_proc *child;
1772
William Lallemandbddd33a2018-12-11 16:10:53 +01001773 /* return the CLI applet of the master */
1774 if (proc_pid == 0)
1775 return &cli_applet.obj_type;
1776
William Lallemand291810d2018-10-26 14:47:38 +02001777 list_for_each_entry(child, &proc_list, list) {
1778 if (child->pid == proc_pid){
1779 return &child->srv->obj_type;
1780 }
1781 }
1782 return NULL;
1783}
1784
1785/* Take a CLI prefix in argument (eg: @!1234 @master @1)
1786 * Return:
1787 * 0: master
1788 * > 0: pid of a worker
1789 * < 0: didn't find a worker
1790 */
1791static int pcli_prefix_to_pid(const char *prefix)
1792{
1793 int proc_pid;
1794 struct mworker_proc *child;
1795 char *errtol = NULL;
1796
1797 if (*prefix != '@') /* not a prefix, should not happen */
1798 return -1;
1799
1800 prefix++;
1801 if (!*prefix) /* sent @ alone, return the master */
1802 return 0;
1803
1804 if (strcmp("master", prefix) == 0) {
1805 return 0;
1806 } else if (*prefix == '!') {
1807 prefix++;
1808 if (!*prefix)
1809 return -1;
1810
1811 proc_pid = strtol(prefix, &errtol, 10);
1812 if (*errtol != '\0')
1813 return -1;
1814 list_for_each_entry(child, &proc_list, list) {
William Lallemand8f7069a2019-04-12 16:09:23 +02001815 if (!(child->options & PROC_O_TYPE_WORKER))
William Lallemand16dd1b32018-11-19 18:46:18 +01001816 continue;
William Lallemand291810d2018-10-26 14:47:38 +02001817 if (child->pid == proc_pid){
1818 return child->pid;
1819 }
1820 }
1821 } else {
1822 struct mworker_proc *chosen = NULL;
1823 /* this is a relative pid */
1824
1825 proc_pid = strtol(prefix, &errtol, 10);
1826 if (*errtol != '\0')
1827 return -1;
1828
1829 if (proc_pid == 0) /* return the master */
1830 return 0;
1831
1832 /* chose the right process, the current one is the one with the
1833 least number of reloads */
1834 list_for_each_entry(child, &proc_list, list) {
William Lallemand8f7069a2019-04-12 16:09:23 +02001835 if (!(child->options & PROC_O_TYPE_WORKER))
William Lallemand16dd1b32018-11-19 18:46:18 +01001836 continue;
William Lallemand291810d2018-10-26 14:47:38 +02001837 if (child->relative_pid == proc_pid){
1838 if (child->reloads == 0)
1839 return child->pid;
1840 else if (chosen == NULL || child->reloads < chosen->reloads)
1841 chosen = child;
1842 }
1843 }
1844 if (chosen)
1845 return chosen->pid;
1846 }
1847 return -1;
1848}
1849
William Lallemandbddd33a2018-12-11 16:10:53 +01001850/* Return::
1851 * >= 0 : number of words to escape
1852 * = -1 : error
1853 */
1854
1855int pcli_find_and_exec_kw(struct stream *s, char **args, int argl, char **errmsg, int *next_pid)
1856{
1857 if (argl < 1)
1858 return 0;
1859
1860 /* there is a prefix */
1861 if (args[0][0] == '@') {
1862 int target_pid = pcli_prefix_to_pid(args[0]);
1863
1864 if (target_pid == -1) {
1865 memprintf(errmsg, "Can't find the target PID matching the prefix '%s'\n", args[0]);
1866 return -1;
1867 }
1868
1869 /* if the prefix is alone, define a default target */
1870 if (argl == 1)
1871 s->pcli_next_pid = target_pid;
1872 else
1873 *next_pid = target_pid;
1874 return 1;
William Lallemand5b80fa22018-12-11 16:10:54 +01001875 } else if (!strcmp("prompt", args[0])) {
William Lallemanddc12c2e2018-12-13 09:05:46 +01001876 s->pcli_flags ^= PCLI_F_PROMPT;
William Lallemand5b80fa22018-12-11 16:10:54 +01001877 return argl; /* return the number of elements in the array */
William Lallemand5f610682018-12-11 16:10:55 +01001878
1879 } else if (!strcmp("quit", args[0])) {
1880 channel_shutr_now(&s->req);
1881 channel_shutw_now(&s->res);
1882 return argl; /* return the number of elements in the array */
William Lallemandb7ea1412018-12-13 09:05:47 +01001883 } else if (!strcmp(args[0], "operator")) {
1884 if (!pcli_has_level(s, ACCESS_LVL_OPER)) {
1885 memprintf(errmsg, "Permission denied!\n");
1886 return -1;
1887 }
1888 s->pcli_flags &= ~ACCESS_LVL_MASK;
1889 s->pcli_flags |= ACCESS_LVL_OPER;
1890 return argl;
1891
1892 } else if (!strcmp(args[0], "user")) {
1893 if (!pcli_has_level(s, ACCESS_LVL_USER)) {
1894 memprintf(errmsg, "Permission denied!\n");
1895 return -1;
1896 }
1897 s->pcli_flags &= ~ACCESS_LVL_MASK;
1898 s->pcli_flags |= ACCESS_LVL_USER;
1899 return argl;
William Lallemandbddd33a2018-12-11 16:10:53 +01001900 }
1901
1902 return 0;
1903}
1904
1905/*
1906 * Parse the CLI request:
1907 * - It does basically the same as the cli_io_handler, but as a proxy
1908 * - It can exec a command and strip non forwardable commands
William Lallemandcf62f7e2018-10-26 14:47:40 +02001909 *
1910 * Return:
William Lallemandbddd33a2018-12-11 16:10:53 +01001911 * - the number of characters to forward or
1912 * - 1 if there is an error or not enough data
William Lallemandcf62f7e2018-10-26 14:47:40 +02001913 */
William Lallemandbddd33a2018-12-11 16:10:53 +01001914int pcli_parse_request(struct stream *s, struct channel *req, char **errmsg, int *next_pid)
William Lallemandcf62f7e2018-10-26 14:47:40 +02001915{
William Lallemandbddd33a2018-12-11 16:10:53 +01001916 char *str = (char *)ci_head(req);
1917 char *end = (char *)ci_stop(req);
1918 char *args[MAX_STATS_ARGS + 1]; /* +1 for storing a NULL */
1919 int argl; /* number of args */
1920 char *p;
1921 char *trim = NULL;
William Lallemandebf61802018-12-11 16:10:57 +01001922 char *payload = NULL;
William Lallemandbddd33a2018-12-11 16:10:53 +01001923 int wtrim = 0; /* number of words to trim */
1924 int reql = 0;
William Lallemandb7ea1412018-12-13 09:05:47 +01001925 int ret;
William Lallemandbddd33a2018-12-11 16:10:53 +01001926 int i = 0;
1927
1928 p = str;
William Lallemandcf62f7e2018-10-26 14:47:40 +02001929
William Lallemanddc12c2e2018-12-13 09:05:46 +01001930 if (!(s->pcli_flags & PCLI_F_PAYLOAD)) {
William Lallemandebf61802018-12-11 16:10:57 +01001931
1932 /* Looks for the end of one command */
1933 while (p+reql < end) {
1934 /* handle escaping */
1935 if (p[reql] == '\\') {
1936 reql++;
1937 continue;
1938 }
1939 if (p[reql] == ';' || p[reql] == '\n') {
1940 /* found the end of the command */
1941 p[reql] = '\n';
1942 reql++;
1943 break;
1944 }
William Lallemandbddd33a2018-12-11 16:10:53 +01001945 reql++;
William Lallemandbddd33a2018-12-11 16:10:53 +01001946 }
William Lallemandebf61802018-12-11 16:10:57 +01001947 } else {
1948 while (p+reql < end) {
1949 if (p[reql] == '\n') {
1950 /* found the end of the line */
1951 reql++;
1952 break;
1953 }
William Lallemandbddd33a2018-12-11 16:10:53 +01001954 reql++;
William Lallemandbddd33a2018-12-11 16:10:53 +01001955 }
William Lallemandbddd33a2018-12-11 16:10:53 +01001956 }
William Lallemandcf62f7e2018-10-26 14:47:40 +02001957
William Lallemandbddd33a2018-12-11 16:10:53 +01001958 /* set end to first byte after the end of the command */
1959 end = p + reql;
William Lallemandcf62f7e2018-10-26 14:47:40 +02001960
William Lallemandbddd33a2018-12-11 16:10:53 +01001961 /* there is no end to this command, need more to parse ! */
1962 if (*(end-1) != '\n') {
1963 return -1;
1964 }
William Lallemandcf62f7e2018-10-26 14:47:40 +02001965
William Lallemand3301f3e2018-12-13 09:05:48 +01001966 if (s->pcli_flags & PCLI_F_PAYLOAD) {
1967 if (reql == 1) /* last line of the payload */
1968 s->pcli_flags &= ~PCLI_F_PAYLOAD;
William Lallemandebf61802018-12-11 16:10:57 +01001969 return reql;
1970 }
1971
William Lallemandbddd33a2018-12-11 16:10:53 +01001972 *(end-1) = '\0';
William Lallemandcf62f7e2018-10-26 14:47:40 +02001973
William Lallemandbddd33a2018-12-11 16:10:53 +01001974 /* splits the command in words */
1975 while (i < MAX_STATS_ARGS && p < end) {
1976 int j, k;
William Lallemandcf62f7e2018-10-26 14:47:40 +02001977
William Lallemandbddd33a2018-12-11 16:10:53 +01001978 /* skip leading spaces/tabs */
1979 p += strspn(p, " \t");
1980 if (!*p)
William Lallemandcf62f7e2018-10-26 14:47:40 +02001981 break;
1982
William Lallemandbddd33a2018-12-11 16:10:53 +01001983 args[i] = p;
1984 p += strcspn(p, " \t");
1985 *p++ = 0;
William Lallemandcf62f7e2018-10-26 14:47:40 +02001986
William Lallemandbddd33a2018-12-11 16:10:53 +01001987 /* unescape backslashes (\) */
1988 for (j = 0, k = 0; args[i][k]; k++) {
1989 if (args[i][k] == '\\') {
1990 if (args[i][k + 1] == '\\')
1991 k++;
1992 else
1993 continue;
1994 }
1995 args[i][j] = args[i][k];
1996 j++;
William Lallemandcf62f7e2018-10-26 14:47:40 +02001997 }
William Lallemandbddd33a2018-12-11 16:10:53 +01001998 args[i][j] = 0;
1999 i++;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002000 }
2001
William Lallemandbddd33a2018-12-11 16:10:53 +01002002 argl = i;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002003
William Lallemandbddd33a2018-12-11 16:10:53 +01002004 for (; i < MAX_STATS_ARGS + 1; i++)
2005 args[i] = NULL;
2006
2007 wtrim = pcli_find_and_exec_kw(s, args, argl, errmsg, next_pid);
2008
2009 /* End of words are ending by \0, we need to replace the \0s by spaces
20101 before forwarding them */
2011 p = str;
William Lallemand3301f3e2018-12-13 09:05:48 +01002012 while (p < end-1) {
William Lallemandbddd33a2018-12-11 16:10:53 +01002013 if (*p == '\0')
2014 *p = ' ';
2015 p++;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002016 }
2017
William Lallemand3301f3e2018-12-13 09:05:48 +01002018 payload = strstr(str, PAYLOAD_PATTERN);
2019 if ((end - 1) == (payload + strlen(PAYLOAD_PATTERN))) {
2020 /* if the payload pattern is at the end */
2021 s->pcli_flags |= PCLI_F_PAYLOAD;
2022 ret = reql;
2023 }
2024
William Lallemandbddd33a2018-12-11 16:10:53 +01002025 *(end-1) = '\n';
William Lallemandcf62f7e2018-10-26 14:47:40 +02002026
William Lallemandbddd33a2018-12-11 16:10:53 +01002027 if (wtrim > 0) {
2028 trim = &args[wtrim][0];
2029 if (trim == NULL) /* if this was the last word in the table */
2030 trim = end;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002031
William Lallemandbddd33a2018-12-11 16:10:53 +01002032 b_del(&req->buf, trim - str);
2033
William Lallemandb7ea1412018-12-13 09:05:47 +01002034 ret = end - trim;
William Lallemandbddd33a2018-12-11 16:10:53 +01002035 } else if (wtrim < 0) {
2036 /* parsing error */
2037 return -1;
William Lallemandb7ea1412018-12-13 09:05:47 +01002038 } else {
2039 /* the whole string */
2040 ret = end - str;
William Lallemandbddd33a2018-12-11 16:10:53 +01002041 }
2042
William Lallemandb7ea1412018-12-13 09:05:47 +01002043 if (ret > 1) {
2044 if (pcli_has_level(s, ACCESS_LVL_ADMIN)) {
2045 goto end;
2046 } else if (pcli_has_level(s, ACCESS_LVL_OPER)) {
2047 ci_insert_line2(req, 0, "operator", strlen("operator"));
2048 ret += strlen("operator") + 2;
2049 } else if (pcli_has_level(s, ACCESS_LVL_USER)) {
2050 ci_insert_line2(req, 0, "user", strlen("user"));
2051 ret += strlen("user") + 2;
2052 }
2053 }
2054end:
William Lallemandbddd33a2018-12-11 16:10:53 +01002055
William Lallemandb7ea1412018-12-13 09:05:47 +01002056 return ret;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002057}
2058
2059int pcli_wait_for_request(struct stream *s, struct channel *req, int an_bit)
2060{
William Lallemandbddd33a2018-12-11 16:10:53 +01002061 int next_pid = -1;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002062 int to_forward;
William Lallemandbddd33a2018-12-11 16:10:53 +01002063 char *errmsg = NULL;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002064
William Lallemandb7ea1412018-12-13 09:05:47 +01002065 if ((s->pcli_flags & ACCESS_LVL_MASK) == ACCESS_LVL_NONE)
2066 s->pcli_flags |= strm_li(s)->bind_conf->level & ACCESS_LVL_MASK;
2067
William Lallemandcf62f7e2018-10-26 14:47:40 +02002068read_again:
2069 /* if the channel is closed for read, we won't receive any more data
2070 from the client, but we don't want to forward this close to the
2071 server */
2072 channel_dont_close(req);
2073
2074 /* We don't know yet to which server we will connect */
2075 channel_dont_connect(req);
2076
2077
2078 /* we are not waiting for a response, there is no more request and we
2079 * receive a close from the client, we can leave */
2080 if (!(ci_data(req)) && req->flags & CF_SHUTR) {
2081 channel_shutw_now(&s->res);
2082 s->req.analysers &= ~AN_REQ_WAIT_CLI;
2083 return 1;
2084 }
2085
2086 req->flags |= CF_READ_DONTWAIT;
2087
2088 /* need more data */
2089 if (!ci_data(req))
2090 return 0;
2091
2092 /* If there is data available for analysis, log the end of the idle time. */
2093 if (c_data(req) && s->logs.t_idle == -1)
2094 s->logs.t_idle = tv_ms_elapsed(&s->logs.tv_accept, &now) - s->logs.t_handshake;
2095
William Lallemandbddd33a2018-12-11 16:10:53 +01002096 to_forward = pcli_parse_request(s, req, &errmsg, &next_pid);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002097 if (to_forward > 0) {
William Lallemandbddd33a2018-12-11 16:10:53 +01002098 int target_pid;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002099 /* enough data */
2100
William Lallemandcf62f7e2018-10-26 14:47:40 +02002101 /* forward only 1 command */
2102 channel_forward(req, to_forward);
William Lallemandebf61802018-12-11 16:10:57 +01002103
William Lallemanddc12c2e2018-12-13 09:05:46 +01002104 if (!(s->pcli_flags & PCLI_F_PAYLOAD)) {
William Lallemandebf61802018-12-11 16:10:57 +01002105 /* we send only 1 command per request, and we write close after it */
2106 channel_shutw_now(req);
2107 } else {
2108 pcli_write_prompt(s);
2109 }
2110
2111 s->res.flags |= CF_WAKE_ONCE; /* need to be called again */
William Lallemandcf62f7e2018-10-26 14:47:40 +02002112
2113 /* remove the XFER_DATA analysers, which forwards all
2114 * the data, we don't want to forward the next requests
2115 * We need to add CF_FLT_ANALYZE to abort the forward too.
2116 */
2117 req->analysers &= ~(AN_REQ_FLT_XFER_DATA|AN_REQ_WAIT_CLI);
2118 req->analysers |= AN_REQ_FLT_END|CF_FLT_ANALYZE;
2119 s->res.analysers |= AN_RES_WAIT_CLI;
2120
William Lallemandebf61802018-12-11 16:10:57 +01002121 if (!(s->flags & SF_ASSIGNED)) {
2122 if (next_pid > -1)
2123 target_pid = next_pid;
2124 else
2125 target_pid = s->pcli_next_pid;
2126 /* we can connect now */
2127 s->target = pcli_pid_to_server(target_pid);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002128
William Lallemandebf61802018-12-11 16:10:57 +01002129 s->flags |= (SF_DIRECT | SF_ASSIGNED);
2130 channel_auto_connect(req);
2131 }
William Lallemandcf62f7e2018-10-26 14:47:40 +02002132
2133 } else if (to_forward == 0) {
William Lallemandcf62f7e2018-10-26 14:47:40 +02002134 /* we trimmed things but we might have other commands to consume */
William Lallemandbddd33a2018-12-11 16:10:53 +01002135 pcli_write_prompt(s);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002136 goto read_again;
William Lallemandbddd33a2018-12-11 16:10:53 +01002137 } else if (to_forward == -1 && errmsg) {
2138 /* there was an error during the parsing */
2139 pcli_reply_and_close(s, errmsg);
2140 return 0;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002141 } else if (to_forward == -1 && channel_full(req, global.tune.maxrewrite)) {
2142 /* buffer is full and we didn't catch the end of a command */
2143 goto send_help;
2144 }
2145
2146 return 0;
2147
2148send_help:
2149 b_reset(&req->buf);
2150 b_putblk(&req->buf, "help\n", 5);
2151 goto read_again;
2152}
2153
2154int pcli_wait_for_response(struct stream *s, struct channel *rep, int an_bit)
2155{
2156 struct proxy *fe = strm_fe(s);
2157 struct proxy *be = s->be;
2158
William Lallemand6b7cd0a2018-11-06 17:37:11 +01002159 if (rep->flags & CF_READ_ERROR) {
2160 pcli_reply_and_close(s, "Can't connect to the target CLI!\n");
2161 s->res.analysers &= ~AN_RES_WAIT_CLI;
2162 return 0;
2163 }
William Lallemandcf62f7e2018-10-26 14:47:40 +02002164 rep->flags |= CF_READ_DONTWAIT; /* try to get back here ASAP */
2165 rep->flags |= CF_NEVER_WAIT;
2166
2167 /* don't forward the close */
2168 channel_dont_close(&s->res);
2169 channel_dont_close(&s->req);
2170
William Lallemanddc12c2e2018-12-13 09:05:46 +01002171 if (s->pcli_flags & PCLI_F_PAYLOAD) {
William Lallemandebf61802018-12-11 16:10:57 +01002172 s->req.analysers |= AN_REQ_WAIT_CLI;
2173 s->res.analysers &= ~AN_RES_WAIT_CLI;
2174 s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */
2175 return 0;
2176 }
2177
William Lallemandcf62f7e2018-10-26 14:47:40 +02002178 /* forward the data */
2179 if (ci_data(rep)) {
2180 c_adv(rep, ci_data(rep));
2181 return 0;
2182 }
2183
2184 if ((rep->flags & (CF_SHUTR|CF_READ_NULL))) {
2185 /* stream cleanup */
2186
William Lallemand2f4ce202018-10-26 14:47:47 +02002187 pcli_write_prompt(s);
2188
William Lallemandcf62f7e2018-10-26 14:47:40 +02002189 s->si[1].flags |= SI_FL_NOLINGER | SI_FL_NOHALF;
2190 si_shutr(&s->si[1]);
2191 si_shutw(&s->si[1]);
2192
2193 /*
2194 * starting from there this the same code as
2195 * http_end_txn_clean_session().
2196 *
2197 * It allows to do frontend keepalive while reconnecting to a
2198 * new server for each request.
2199 */
2200
2201 if (s->flags & SF_BE_ASSIGNED) {
2202 HA_ATOMIC_SUB(&be->beconn, 1);
2203 if (unlikely(s->srv_conn))
2204 sess_change_server(s, NULL);
2205 }
2206
2207 s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now);
2208 stream_process_counters(s);
2209
2210 /* don't count other requests' data */
2211 s->logs.bytes_in -= ci_data(&s->req);
2212 s->logs.bytes_out -= ci_data(&s->res);
2213
2214 /* we may need to know the position in the queue */
2215 pendconn_free(s);
2216
2217 /* let's do a final log if we need it */
2218 if (!LIST_ISEMPTY(&fe->logformat) && s->logs.logwait &&
2219 !(s->flags & SF_MONITOR) &&
2220 (!(fe->options & PR_O_NULLNOLOG) || s->req.total)) {
2221 s->do_log(s);
2222 }
2223
2224 /* stop tracking content-based counters */
2225 stream_stop_content_counters(s);
2226 stream_update_time_stats(s);
2227
2228 s->logs.accept_date = date; /* user-visible date for logging */
2229 s->logs.tv_accept = now; /* corrected date for internal use */
2230 s->logs.t_handshake = 0; /* There are no handshake in keep alive connection. */
2231 s->logs.t_idle = -1;
2232 tv_zero(&s->logs.tv_request);
2233 s->logs.t_queue = -1;
2234 s->logs.t_connect = -1;
2235 s->logs.t_data = -1;
2236 s->logs.t_close = 0;
2237 s->logs.prx_queue_pos = 0; /* we get the number of pending conns before us */
2238 s->logs.srv_queue_pos = 0; /* we will get this number soon */
2239
2240 s->logs.bytes_in = s->req.total = ci_data(&s->req);
2241 s->logs.bytes_out = s->res.total = ci_data(&s->res);
2242
2243 stream_del_srv_conn(s);
2244 if (objt_server(s->target)) {
2245 if (s->flags & SF_CURR_SESS) {
2246 s->flags &= ~SF_CURR_SESS;
Willy Tarreaub54c40a2018-12-02 19:28:41 +01002247 HA_ATOMIC_SUB(&__objt_server(s->target)->cur_sess, 1);
William Lallemandcf62f7e2018-10-26 14:47:40 +02002248 }
Willy Tarreaub54c40a2018-12-02 19:28:41 +01002249 if (may_dequeue_tasks(__objt_server(s->target), be))
2250 process_srv_queue(__objt_server(s->target));
William Lallemandcf62f7e2018-10-26 14:47:40 +02002251 }
2252
2253 s->target = NULL;
2254
2255 /* only release our endpoint if we don't intend to reuse the
2256 * connection.
2257 */
2258 if (!si_conn_ready(&s->si[1])) {
2259 si_release_endpoint(&s->si[1]);
2260 s->srv_conn = NULL;
2261 }
2262
2263 s->si[1].state = s->si[1].prev_state = SI_ST_INI;
2264 s->si[1].err_type = SI_ET_NONE;
2265 s->si[1].conn_retries = 0; /* used for logging too */
2266 s->si[1].exp = TICK_ETERNITY;
2267 s->si[1].flags &= SI_FL_ISBACK | SI_FL_DONT_WAKE; /* we're in the context of process_stream */
2268 s->req.flags &= ~(CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CONNECT|CF_WRITE_ERROR|CF_STREAMER|CF_STREAMER_FAST|CF_NEVER_WAIT|CF_WAKE_CONNECT|CF_WROTE_DATA);
2269 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);
2270 s->flags &= ~(SF_DIRECT|SF_ASSIGNED|SF_ADDR_SET|SF_BE_ASSIGNED|SF_FORCE_PRST|SF_IGNORE_PRST);
2271 s->flags &= ~(SF_CURR_SESS|SF_REDIRECTABLE|SF_SRV_REUSED);
2272 s->flags &= ~(SF_ERR_MASK|SF_FINST_MASK|SF_REDISP);
2273 /* reinitialise the current rule list pointer to NULL. We are sure that
2274 * any rulelist match the NULL pointer.
2275 */
2276 s->current_rule_list = NULL;
2277
2278 s->be = strm_fe(s);
2279 s->logs.logwait = strm_fe(s)->to_log;
2280 s->logs.level = 0;
2281 stream_del_srv_conn(s);
2282 s->target = NULL;
2283 /* re-init store persistence */
2284 s->store_count = 0;
2285 s->uniq_id = global.req_count++;
2286
2287 s->req.flags |= CF_READ_DONTWAIT; /* one read is usually enough */
2288
2289 s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */
2290
2291 s->req.analysers |= AN_REQ_WAIT_CLI;
2292 s->res.analysers &= ~AN_RES_WAIT_CLI;
2293
2294 /* We must trim any excess data from the response buffer, because we
2295 * may have blocked an invalid response from a server that we don't
Joseph Herlant008b3ce2018-11-25 12:51:45 -08002296 * want to accidently forward once we disable the analysers, nor do
William Lallemandcf62f7e2018-10-26 14:47:40 +02002297 * we want those data to come along with next response. A typical
2298 * example of such data would be from a buggy server responding to
2299 * a HEAD with some data, or sending more than the advertised
2300 * content-length.
2301 */
2302 if (unlikely(ci_data(&s->res)))
2303 b_set_data(&s->res.buf, co_data(&s->res));
2304
2305 /* Now we can realign the response buffer */
2306 c_realign_if_empty(&s->res);
2307
2308 s->req.rto = strm_fe(s)->timeout.client;
2309 s->req.wto = TICK_ETERNITY;
2310
2311 s->res.rto = TICK_ETERNITY;
2312 s->res.wto = strm_fe(s)->timeout.client;
2313
2314 s->req.rex = TICK_ETERNITY;
2315 s->req.wex = TICK_ETERNITY;
2316 s->req.analyse_exp = TICK_ETERNITY;
2317 s->res.rex = TICK_ETERNITY;
2318 s->res.wex = TICK_ETERNITY;
2319 s->res.analyse_exp = TICK_ETERNITY;
2320 s->si[1].hcto = TICK_ETERNITY;
2321
2322 /* we're removing the analysers, we MUST re-enable events detection.
2323 * We don't enable close on the response channel since it's either
2324 * already closed, or in keep-alive with an idle connection handler.
2325 */
2326 channel_auto_read(&s->req);
2327 channel_auto_close(&s->req);
2328 channel_auto_read(&s->res);
2329
2330
2331 return 1;
2332 }
2333 return 0;
2334}
2335
William Lallemand8a022572018-10-26 14:47:35 +02002336/*
2337 * The mworker functions are used to initialize the CLI in the master process
2338 */
2339
William Lallemand309dc9a2018-10-26 14:47:45 +02002340 /*
2341 * Stop the mworker proxy
2342 */
2343void mworker_cli_proxy_stop()
2344{
William Lallemand550db6d2018-11-06 17:37:12 +01002345 if (mworker_proxy)
2346 stop_proxy(mworker_proxy);
William Lallemand309dc9a2018-10-26 14:47:45 +02002347}
2348
William Lallemand8a022572018-10-26 14:47:35 +02002349/*
2350 * Create the mworker CLI proxy
2351 */
2352int mworker_cli_proxy_create()
2353{
2354 struct mworker_proc *child;
William Lallemand744a0892018-11-22 16:46:51 +01002355 char *msg = NULL;
2356 char *errmsg = NULL;
William Lallemand8a022572018-10-26 14:47:35 +02002357
2358 mworker_proxy = calloc(1, sizeof(*mworker_proxy));
2359 if (!mworker_proxy)
2360 return -1;
2361
2362 init_new_proxy(mworker_proxy);
2363 mworker_proxy->next = proxies_list;
2364 proxies_list = mworker_proxy;
2365 mworker_proxy->id = strdup("MASTER");
William Lallemandcf62f7e2018-10-26 14:47:40 +02002366 mworker_proxy->mode = PR_MODE_CLI;
William Lallemand8a022572018-10-26 14:47:35 +02002367 mworker_proxy->state = PR_STNEW;
2368 mworker_proxy->last_change = now.tv_sec;
2369 mworker_proxy->cap = PR_CAP_LISTEN; /* this is a listen section */
2370 mworker_proxy->maxconn = 10; /* default to 10 concurrent connections */
2371 mworker_proxy->timeout.client = 0; /* no timeout */
2372 mworker_proxy->conf.file = strdup("MASTER");
2373 mworker_proxy->conf.line = 0;
2374 mworker_proxy->accept = frontend_accept;
2375 mworker_proxy-> lbprm.algo = BE_LB_ALGO_NONE;
2376
2377 /* Does not init the default target the CLI applet, but must be done in
2378 * the request parsing code */
2379 mworker_proxy->default_target = NULL;
2380
2381 /* the check_config_validity() will get an ID for the proxy */
2382 mworker_proxy->uuid = -1;
2383
2384 proxy_store_name(mworker_proxy);
2385
2386 /* create all servers using the mworker_proc list */
2387 list_for_each_entry(child, &proc_list, list) {
William Lallemand8a022572018-10-26 14:47:35 +02002388 struct server *newsrv = NULL;
2389 struct sockaddr_storage *sk;
2390 int port1, port2, port;
2391 struct protocol *proto;
William Lallemand8a022572018-10-26 14:47:35 +02002392
2393 newsrv = new_server(mworker_proxy);
2394 if (!newsrv)
William Lallemand744a0892018-11-22 16:46:51 +01002395 goto error;
William Lallemand8a022572018-10-26 14:47:35 +02002396
2397 /* we don't know the new pid yet */
2398 if (child->pid == -1)
2399 memprintf(&msg, "cur-%d", child->relative_pid);
2400 else
2401 memprintf(&msg, "old-%d", child->pid);
2402
2403 newsrv->next = mworker_proxy->srv;
2404 mworker_proxy->srv = newsrv;
2405 newsrv->conf.file = strdup(msg);
2406 newsrv->id = strdup(msg);
2407 newsrv->conf.line = 0;
2408
2409 memprintf(&msg, "sockpair@%d", child->ipc_fd[0]);
Tim Duesterhus4cae3b22018-11-22 16:46:50 +01002410 if ((sk = str2sa_range(msg, &port, &port1, &port2, &errmsg, NULL, NULL, 0)) == 0) {
William Lallemand744a0892018-11-22 16:46:51 +01002411 goto error;
Tim Duesterhus4cae3b22018-11-22 16:46:50 +01002412 }
2413 free(msg);
2414 msg = NULL;
William Lallemand8a022572018-10-26 14:47:35 +02002415
2416 proto = protocol_by_family(sk->ss_family);
2417 if (!proto || !proto->connect) {
William Lallemand744a0892018-11-22 16:46:51 +01002418 goto error;
William Lallemand8a022572018-10-26 14:47:35 +02002419 }
2420
2421 /* no port specified */
2422 newsrv->flags |= SRV_F_MAPPORTS;
2423 newsrv->addr = *sk;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002424 /* don't let the server participate to load balancing */
2425 newsrv->iweight = 0;
2426 newsrv->uweight = 0;
William Lallemand8a022572018-10-26 14:47:35 +02002427 srv_lb_commit_status(newsrv);
William Lallemand291810d2018-10-26 14:47:38 +02002428
2429 child->srv = newsrv;
William Lallemand8a022572018-10-26 14:47:35 +02002430 }
2431 return 0;
William Lallemand744a0892018-11-22 16:46:51 +01002432
2433error:
2434 ha_alert("%s\n", errmsg);
2435
2436 list_for_each_entry(child, &proc_list, list) {
2437 free((char *)child->srv->conf.file); /* cast because of const char * */
2438 free(child->srv->id);
2439 free(child->srv);
2440 child->srv = NULL;
2441 }
2442 free(mworker_proxy->id);
2443 free(mworker_proxy->conf.file);
2444 free(mworker_proxy);
2445 mworker_proxy = NULL;
2446 free(errmsg);
2447 free(msg);
2448
2449 return -1;
William Lallemand8a022572018-10-26 14:47:35 +02002450}
Olivier Houchardf886e342017-04-05 22:24:59 +02002451
William Lallemandce83b4a2018-10-26 14:47:30 +02002452/*
William Lallemande7361152018-10-26 14:47:36 +02002453 * Create a new listener for the master CLI proxy
2454 */
2455int mworker_cli_proxy_new_listener(char *line)
2456{
2457 struct bind_conf *bind_conf;
2458 struct listener *l;
2459 char *err = NULL;
2460 char *args[MAX_LINE_ARGS + 1];
2461 int arg;
2462 int cur_arg;
2463
2464 arg = 0;
2465 args[0] = line;
2466
2467 /* args is a bind configuration with spaces replaced by commas */
2468 while (*line && arg < MAX_LINE_ARGS) {
2469
2470 if (*line == ',') {
2471 *line++ = '\0';
2472 while (*line == ',')
2473 line++;
2474 args[++arg] = line;
2475 }
2476 line++;
2477 }
2478
2479 args[++arg] = "\0";
2480
2481 bind_conf = bind_conf_alloc(mworker_proxy, "master-socket", 0, "", xprt_get(XPRT_RAW));
William Lallemand744a0892018-11-22 16:46:51 +01002482 if (!bind_conf)
2483 goto err;
William Lallemande7361152018-10-26 14:47:36 +02002484
2485 bind_conf->level &= ~ACCESS_LVL_MASK;
2486 bind_conf->level |= ACCESS_LVL_ADMIN;
2487
2488 if (!str2listener(args[0], mworker_proxy, bind_conf, "master-socket", 0, &err)) {
2489 ha_alert("Cannot create the listener of the master CLI\n");
William Lallemand744a0892018-11-22 16:46:51 +01002490 goto err;
William Lallemande7361152018-10-26 14:47:36 +02002491 }
2492
2493 cur_arg = 1;
2494
2495 while (*args[cur_arg]) {
2496 static int bind_dumped;
2497 struct bind_kw *kw;
2498
2499 kw = bind_find_kw(args[cur_arg]);
2500 if (kw) {
2501 if (!kw->parse) {
2502 memprintf(&err, "'%s %s' : '%s' option is not implemented in this version (check build options).",
2503 args[0], args[1], args[cur_arg]);
2504 goto err;
2505 }
2506
2507 if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, &err) != 0) {
2508 if (err)
2509 memprintf(&err, "'%s %s' : '%s'", args[0], args[1], err);
2510 else
2511 memprintf(&err, "'%s %s' : error encountered while processing '%s'",
2512 args[0], args[1], args[cur_arg]);
2513 goto err;
2514 }
2515
2516 cur_arg += 1 + kw->skip;
2517 continue;
2518 }
2519
2520 if (!bind_dumped) {
2521 bind_dump_kws(&err);
2522 indent_msg(&err, 4);
2523 bind_dumped = 1;
2524 }
2525
2526 memprintf(&err, "'%s %s' : unknown keyword '%s'.%s%s",
2527 args[0], args[1], args[cur_arg],
2528 err ? " Registered keywords :" : "", err ? err : "");
2529 goto err;
2530 }
2531
2532
2533 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
William Lallemande7361152018-10-26 14:47:36 +02002534 l->accept = session_accept_fd;
2535 l->default_target = mworker_proxy->default_target;
2536 /* don't make the peers subject to global limits and don't close it in the master */
2537 l->options |= (LI_O_UNLIMITED|LI_O_MWORKER); /* we are keeping this FD in the master */
2538 l->nice = -64; /* we want to boost priority for local stats */
Willy Tarreau18215cb2019-02-27 16:25:28 +01002539 global.maxsock++; /* for the listening socket */
William Lallemande7361152018-10-26 14:47:36 +02002540 }
Willy Tarreau18215cb2019-02-27 16:25:28 +01002541 global.maxsock += mworker_proxy->maxconn;
William Lallemande7361152018-10-26 14:47:36 +02002542
2543 return 0;
2544
2545err:
2546 ha_alert("%s\n", err);
William Lallemand744a0892018-11-22 16:46:51 +01002547 free(err);
2548 free(bind_conf);
William Lallemande7361152018-10-26 14:47:36 +02002549 return -1;
2550
2551}
2552
2553/*
William Lallemandce83b4a2018-10-26 14:47:30 +02002554 * Create a new CLI socket using a socketpair for a worker process
2555 * <mworker_proc> is the process structure, and <proc> is the process number
2556 */
2557int mworker_cli_sockpair_new(struct mworker_proc *mworker_proc, int proc)
2558{
2559 struct bind_conf *bind_conf;
2560 struct listener *l;
2561 char *path = NULL;
2562 char *err = NULL;
2563
2564 /* master pipe to ensure the master is still alive */
2565 if (socketpair(AF_UNIX, SOCK_STREAM, 0, mworker_proc->ipc_fd) < 0) {
2566 ha_alert("Cannot create worker socketpair.\n");
2567 return -1;
2568 }
2569
2570 /* XXX: we might want to use a separate frontend at some point */
2571 if (!global.stats_fe) {
2572 if ((global.stats_fe = alloc_stats_fe("GLOBAL", "master-socket", 0)) == NULL) {
2573 ha_alert("out of memory trying to allocate the stats frontend");
William Lallemand744a0892018-11-22 16:46:51 +01002574 goto error;
William Lallemandce83b4a2018-10-26 14:47:30 +02002575 }
2576 }
2577
2578 bind_conf = bind_conf_alloc(global.stats_fe, "master-socket", 0, "", xprt_get(XPRT_RAW));
William Lallemand744a0892018-11-22 16:46:51 +01002579 if (!bind_conf)
2580 goto error;
2581
William Lallemandce83b4a2018-10-26 14:47:30 +02002582 bind_conf->level &= ~ACCESS_LVL_MASK;
2583 bind_conf->level |= ACCESS_LVL_ADMIN; /* TODO: need to lower the rights with a CLI keyword*/
2584
2585 bind_conf->bind_proc = 1UL << proc;
2586 global.stats_fe->bind_proc = 0; /* XXX: we should be careful with that, it can be removed by configuration */
2587
2588 if (!memprintf(&path, "sockpair@%d", mworker_proc->ipc_fd[1])) {
2589 ha_alert("Cannot allocate listener.\n");
William Lallemand744a0892018-11-22 16:46:51 +01002590 goto error;
William Lallemandce83b4a2018-10-26 14:47:30 +02002591 }
2592
2593 if (!str2listener(path, global.stats_fe, bind_conf, "master-socket", 0, &err)) {
Tim Duesterhus4cae3b22018-11-22 16:46:50 +01002594 free(path);
William Lallemandce83b4a2018-10-26 14:47:30 +02002595 ha_alert("Cannot create a CLI sockpair listener for process #%d\n", proc);
William Lallemand744a0892018-11-22 16:46:51 +01002596 goto error;
William Lallemandce83b4a2018-10-26 14:47:30 +02002597 }
Tim Duesterhus4cae3b22018-11-22 16:46:50 +01002598 free(path);
2599 path = NULL;
William Lallemandce83b4a2018-10-26 14:47:30 +02002600
2601 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
William Lallemandce83b4a2018-10-26 14:47:30 +02002602 l->accept = session_accept_fd;
2603 l->default_target = global.stats_fe->default_target;
William Lallemanda3372292018-11-16 16:57:22 +01002604 l->options |= (LI_O_UNLIMITED | LI_O_NOSTOP);
William Lallemandce83b4a2018-10-26 14:47:30 +02002605 /* it's a sockpair but we don't want to keep the fd in the master */
2606 l->options &= ~LI_O_INHERITED;
2607 l->nice = -64; /* we want to boost priority for local stats */
Willy Tarreau18215cb2019-02-27 16:25:28 +01002608 global.maxsock++; /* for the listening socket */
William Lallemandce83b4a2018-10-26 14:47:30 +02002609 }
2610
2611 return 0;
William Lallemand744a0892018-11-22 16:46:51 +01002612
2613error:
2614 close(mworker_proc->ipc_fd[0]);
2615 close(mworker_proc->ipc_fd[1]);
2616 free(err);
2617
2618 return -1;
William Lallemandce83b4a2018-10-26 14:47:30 +02002619}
2620
William Lallemand74c24fb2016-11-21 17:18:36 +01002621static struct applet cli_applet = {
2622 .obj_type = OBJ_TYPE_APPLET,
2623 .name = "<CLI>", /* used for logging */
2624 .fct = cli_io_handler,
2625 .release = cli_release_handler,
2626};
2627
Willy Tarreau0a739292016-11-22 20:21:23 +01002628/* register cli keywords */
2629static struct cli_kw_list cli_kws = {{ },{
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02002630 { { "help", NULL }, NULL, cli_parse_simple, NULL },
2631 { { "prompt", NULL }, NULL, cli_parse_simple, NULL },
2632 { { "quit", NULL }, NULL, cli_parse_simple, NULL },
Willy Tarreau2af99412016-11-23 11:10:59 +01002633 { { "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 +01002634 { { "set", "rate-limit", NULL }, "set rate-limit : change a rate limiting value", cli_parse_set_ratelimit, NULL },
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02002635 { { "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 +01002636 { { "set", "timeout", NULL }, "set timeout : change a timeout setting", cli_parse_set_timeout, NULL, NULL },
Willy Tarreau0a739292016-11-22 20:21:23 +01002637 { { "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 +02002638 { { "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 +01002639 { { "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 +02002640 { { "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 +01002641 { { "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 +01002642 { { "operator", NULL }, "operator : lower the level of the current CLI session to operator", cli_parse_set_lvl, NULL, NULL, NULL, ACCESS_MASTER},
2643 { { "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 +02002644 { { "_getsocks", NULL }, NULL, _getsocks, NULL },
Willy Tarreau0a739292016-11-22 20:21:23 +01002645 {{},}
2646}};
2647
Willy Tarreau0108d902018-11-25 19:14:37 +01002648INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
2649
William Lallemand74c24fb2016-11-21 17:18:36 +01002650static struct cfg_kw_list cfg_kws = {ILH, {
2651 { CFG_GLOBAL, "stats", stats_parse_global },
2652 { 0, NULL, NULL },
2653}};
2654
Willy Tarreau0108d902018-11-25 19:14:37 +01002655INITCALL1(STG_REGISTER, cfg_register_keywords, &cfg_kws);
2656
William Lallemand74c24fb2016-11-21 17:18:36 +01002657static struct bind_kw_list bind_kws = { "STAT", { }, {
William Lallemandf6975e92017-05-26 17:42:10 +02002658 { "level", bind_parse_level, 1 }, /* set the unix socket admin level */
2659 { "expose-fd", bind_parse_expose_fd, 1 }, /* set the unix socket expose fd rights */
Andjelko Iharosc4df59e2017-07-20 11:59:48 +02002660 { "severity-output", bind_parse_severity_output, 1 }, /* set the severity output format */
William Lallemand74c24fb2016-11-21 17:18:36 +01002661 { NULL, NULL, 0 },
2662}};
2663
Willy Tarreau0108d902018-11-25 19:14:37 +01002664INITCALL1(STG_REGISTER, bind_register_keywords, &bind_kws);
William Lallemand74c24fb2016-11-21 17:18:36 +01002665
2666/*
2667 * Local variables:
2668 * c-indent-level: 8
2669 * c-basic-offset: 8
2670 * End:
2671 */