William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1 | /* |
| 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 Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 27 | #include <net/if.h> |
| 28 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 29 | #include <common/cfgparse.h> |
| 30 | #include <common/compat.h> |
| 31 | #include <common/config.h> |
| 32 | #include <common/debug.h> |
| 33 | #include <common/memory.h> |
| 34 | #include <common/mini-clist.h> |
| 35 | #include <common/standard.h> |
| 36 | #include <common/ticks.h> |
| 37 | #include <common/time.h> |
| 38 | #include <common/uri_auth.h> |
| 39 | #include <common/version.h> |
| 40 | #include <common/base64.h> |
| 41 | |
| 42 | #include <types/applet.h> |
William Lallemand | 9ed6203 | 2016-11-21 17:49:11 +0100 | [diff] [blame] | 43 | #include <types/cli.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 44 | #include <types/global.h> |
| 45 | #include <types/dns.h> |
William Lallemand | 9ed6203 | 2016-11-21 17:49:11 +0100 | [diff] [blame] | 46 | #include <types/stats.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 47 | |
| 48 | #include <proto/backend.h> |
| 49 | #include <proto/channel.h> |
| 50 | #include <proto/checks.h> |
| 51 | #include <proto/compression.h> |
William Lallemand | 9ed6203 | 2016-11-21 17:49:11 +0100 | [diff] [blame] | 52 | #include <proto/stats.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 53 | #include <proto/fd.h> |
| 54 | #include <proto/freq_ctr.h> |
| 55 | #include <proto/frontend.h> |
| 56 | #include <proto/log.h> |
| 57 | #include <proto/pattern.h> |
| 58 | #include <proto/pipe.h> |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 59 | #include <proto/protocol.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 60 | #include <proto/listener.h> |
| 61 | #include <proto/map.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 62 | #include <proto/proxy.h> |
| 63 | #include <proto/sample.h> |
| 64 | #include <proto/session.h> |
| 65 | #include <proto/stream.h> |
| 66 | #include <proto/server.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 67 | #include <proto/stream_interface.h> |
| 68 | #include <proto/task.h> |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 69 | #include <proto/proto_udp.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 70 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 71 | #define PAYLOAD_PATTERN "<<" |
| 72 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 73 | static struct applet cli_applet; |
| 74 | |
| 75 | static const char stats_sock_usage_msg[] = |
| 76 | "Unknown command. Please enter one of the following commands only :\n" |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 77 | " help : this message\n" |
| 78 | " prompt : toggle interactive mode with prompt\n" |
| 79 | " quit : disconnect\n" |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 80 | ""; |
| 81 | |
| 82 | static const char stats_permission_denied_msg[] = |
| 83 | "Permission denied\n" |
| 84 | ""; |
| 85 | |
| 86 | |
Christopher Faulet | 1bc04c7 | 2017-10-29 20:14:08 +0100 | [diff] [blame] | 87 | static THREAD_LOCAL char *dynamic_usage_msg = NULL; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 88 | |
| 89 | /* List head of cli keywords */ |
| 90 | static struct cli_kw_list cli_keywords = { |
| 91 | .list = LIST_HEAD_INIT(cli_keywords.list) |
| 92 | }; |
| 93 | |
| 94 | extern const char *stat_status_codes[]; |
| 95 | |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 96 | extern int master; |
| 97 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 98 | static struct proxy *mworker_proxy; /* CLI proxy of the master */ |
| 99 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 100 | static char *cli_gen_usage_msg(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 101 | { |
| 102 | struct cli_kw_list *kw_list; |
| 103 | struct cli_kw *kw; |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 104 | struct buffer *tmp = get_trash_chunk(); |
| 105 | struct buffer out; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 106 | |
| 107 | free(dynamic_usage_msg); |
| 108 | dynamic_usage_msg = NULL; |
| 109 | |
| 110 | if (LIST_ISEMPTY(&cli_keywords.list)) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 111 | goto end; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 112 | |
| 113 | chunk_reset(tmp); |
| 114 | chunk_strcat(tmp, stats_sock_usage_msg); |
| 115 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 116 | kw = &kw_list->kw[0]; |
William Lallemand | 0154edc | 2018-05-15 11:50:04 +0200 | [diff] [blame] | 117 | while (kw->str_kw[0]) { |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 118 | |
| 119 | /* in a worker or normal process, don't display master only commands */ |
| 120 | if (master == 0 && (kw->level & ACCESS_MASTER_ONLY)) |
| 121 | goto next_kw; |
| 122 | |
| 123 | /* in master don't displays if we don't have the master bits */ |
| 124 | if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER))) |
| 125 | goto next_kw; |
| 126 | |
William Lallemand | 0154edc | 2018-05-15 11:50:04 +0200 | [diff] [blame] | 127 | if (kw->usage) |
| 128 | chunk_appendf(tmp, " %s\n", kw->usage); |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 129 | |
| 130 | next_kw: |
| 131 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 132 | kw++; |
| 133 | } |
| 134 | } |
| 135 | chunk_init(&out, NULL, 0); |
| 136 | chunk_dup(&out, tmp); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 137 | dynamic_usage_msg = out.area; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 138 | |
| 139 | end: |
| 140 | if (dynamic_usage_msg) { |
| 141 | appctx->ctx.cli.severity = LOG_INFO; |
| 142 | appctx->ctx.cli.msg = dynamic_usage_msg; |
| 143 | } |
| 144 | else { |
| 145 | appctx->ctx.cli.severity = LOG_INFO; |
| 146 | appctx->ctx.cli.msg = stats_sock_usage_msg; |
| 147 | } |
| 148 | appctx->st0 = CLI_ST_PRINT; |
| 149 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 150 | return dynamic_usage_msg; |
| 151 | } |
| 152 | |
| 153 | struct cli_kw* cli_find_kw(char **args) |
| 154 | { |
| 155 | struct cli_kw_list *kw_list; |
| 156 | struct cli_kw *kw;/* current cli_kw */ |
| 157 | char **tmp_args; |
| 158 | const char **tmp_str_kw; |
| 159 | int found = 0; |
| 160 | |
| 161 | if (LIST_ISEMPTY(&cli_keywords.list)) |
| 162 | return NULL; |
| 163 | |
| 164 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 165 | kw = &kw_list->kw[0]; |
| 166 | while (*kw->str_kw) { |
| 167 | tmp_args = args; |
| 168 | tmp_str_kw = kw->str_kw; |
| 169 | while (*tmp_str_kw) { |
| 170 | if (strcmp(*tmp_str_kw, *tmp_args) == 0) { |
| 171 | found = 1; |
| 172 | } else { |
| 173 | found = 0; |
| 174 | break; |
| 175 | } |
| 176 | tmp_args++; |
| 177 | tmp_str_kw++; |
| 178 | } |
| 179 | if (found) |
| 180 | return (kw); |
| 181 | kw++; |
| 182 | } |
| 183 | } |
| 184 | return NULL; |
| 185 | } |
| 186 | |
| 187 | void cli_register_kw(struct cli_kw_list *kw_list) |
| 188 | { |
| 189 | LIST_ADDQ(&cli_keywords.list, &kw_list->list); |
| 190 | } |
| 191 | |
| 192 | |
| 193 | /* allocate a new stats frontend named <name>, and return it |
| 194 | * (or NULL in case of lack of memory). |
| 195 | */ |
| 196 | static struct proxy *alloc_stats_fe(const char *name, const char *file, int line) |
| 197 | { |
| 198 | struct proxy *fe; |
| 199 | |
| 200 | fe = calloc(1, sizeof(*fe)); |
| 201 | if (!fe) |
| 202 | return NULL; |
| 203 | |
| 204 | init_new_proxy(fe); |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 205 | fe->next = proxies_list; |
| 206 | proxies_list = fe; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 207 | fe->last_change = now.tv_sec; |
| 208 | fe->id = strdup("GLOBAL"); |
| 209 | fe->cap = PR_CAP_FE; |
| 210 | fe->maxconn = 10; /* default to 10 concurrent connections */ |
| 211 | fe->timeout.client = MS_TO_TICKS(10000); /* default timeout of 10 seconds */ |
| 212 | fe->conf.file = strdup(file); |
| 213 | fe->conf.line = line; |
| 214 | fe->accept = frontend_accept; |
| 215 | fe->default_target = &cli_applet.obj_type; |
| 216 | |
| 217 | /* the stats frontend is the only one able to assign ID #0 */ |
| 218 | fe->conf.id.key = fe->uuid = 0; |
| 219 | eb32_insert(&used_proxy_id, &fe->conf.id); |
| 220 | return fe; |
| 221 | } |
| 222 | |
| 223 | /* This function parses a "stats" statement in the "global" section. It returns |
| 224 | * -1 if there is any error, otherwise zero. If it returns -1, it will write an |
| 225 | * error message into the <err> buffer which will be preallocated. The trailing |
| 226 | * '\n' must not be written. The function must be called with <args> pointing to |
| 227 | * the first word after "stats". |
| 228 | */ |
| 229 | static int stats_parse_global(char **args, int section_type, struct proxy *curpx, |
| 230 | struct proxy *defpx, const char *file, int line, |
| 231 | char **err) |
| 232 | { |
| 233 | struct bind_conf *bind_conf; |
| 234 | struct listener *l; |
| 235 | |
| 236 | if (!strcmp(args[1], "socket")) { |
| 237 | int cur_arg; |
| 238 | |
| 239 | if (*args[2] == 0) { |
| 240 | memprintf(err, "'%s %s' in global section expects an address or a path to a UNIX socket", args[0], args[1]); |
| 241 | return -1; |
| 242 | } |
| 243 | |
| 244 | if (!global.stats_fe) { |
| 245 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 246 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 247 | return -1; |
| 248 | } |
| 249 | } |
| 250 | |
Willy Tarreau | a261e9b | 2016-12-22 20:44:00 +0100 | [diff] [blame] | 251 | bind_conf = bind_conf_alloc(global.stats_fe, file, line, args[2], xprt_get(XPRT_RAW)); |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 252 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 253 | bind_conf->level |= ACCESS_LVL_OPER; /* default access level */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 254 | |
| 255 | if (!str2listener(args[2], global.stats_fe, bind_conf, file, line, err)) { |
| 256 | memprintf(err, "parsing [%s:%d] : '%s %s' : %s\n", |
| 257 | file, line, args[0], args[1], err && *err ? *err : "error"); |
| 258 | return -1; |
| 259 | } |
| 260 | |
| 261 | cur_arg = 3; |
| 262 | while (*args[cur_arg]) { |
| 263 | static int bind_dumped; |
| 264 | struct bind_kw *kw; |
| 265 | |
| 266 | kw = bind_find_kw(args[cur_arg]); |
| 267 | if (kw) { |
| 268 | if (!kw->parse) { |
| 269 | memprintf(err, "'%s %s' : '%s' option is not implemented in this version (check build options).", |
| 270 | args[0], args[1], args[cur_arg]); |
| 271 | return -1; |
| 272 | } |
| 273 | |
| 274 | if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, err) != 0) { |
| 275 | if (err && *err) |
| 276 | memprintf(err, "'%s %s' : '%s'", args[0], args[1], *err); |
| 277 | else |
| 278 | memprintf(err, "'%s %s' : error encountered while processing '%s'", |
| 279 | args[0], args[1], args[cur_arg]); |
| 280 | return -1; |
| 281 | } |
| 282 | |
| 283 | cur_arg += 1 + kw->skip; |
| 284 | continue; |
| 285 | } |
| 286 | |
| 287 | if (!bind_dumped) { |
| 288 | bind_dump_kws(err); |
| 289 | indent_msg(err, 4); |
| 290 | bind_dumped = 1; |
| 291 | } |
| 292 | |
| 293 | memprintf(err, "'%s %s' : unknown keyword '%s'.%s%s", |
| 294 | args[0], args[1], args[cur_arg], |
| 295 | err && *err ? " Registered keywords :" : "", err && *err ? *err : ""); |
| 296 | return -1; |
| 297 | } |
| 298 | |
| 299 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 300 | l->maxconn = global.stats_fe->maxconn; |
| 301 | l->backlog = global.stats_fe->backlog; |
| 302 | l->accept = session_accept_fd; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 303 | l->default_target = global.stats_fe->default_target; |
| 304 | l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */ |
| 305 | l->nice = -64; /* we want to boost priority for local stats */ |
| 306 | global.maxsock += l->maxconn; |
| 307 | } |
| 308 | } |
| 309 | else if (!strcmp(args[1], "timeout")) { |
| 310 | unsigned timeout; |
| 311 | const char *res = parse_time_err(args[2], &timeout, TIME_UNIT_MS); |
| 312 | |
| 313 | if (res) { |
| 314 | memprintf(err, "'%s %s' : unexpected character '%c'", args[0], args[1], *res); |
| 315 | return -1; |
| 316 | } |
| 317 | |
| 318 | if (!timeout) { |
| 319 | memprintf(err, "'%s %s' expects a positive value", args[0], args[1]); |
| 320 | return -1; |
| 321 | } |
| 322 | if (!global.stats_fe) { |
| 323 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 324 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 325 | return -1; |
| 326 | } |
| 327 | } |
| 328 | global.stats_fe->timeout.client = MS_TO_TICKS(timeout); |
| 329 | } |
| 330 | else if (!strcmp(args[1], "maxconn")) { |
| 331 | int maxconn = atol(args[2]); |
| 332 | |
| 333 | if (maxconn <= 0) { |
| 334 | memprintf(err, "'%s %s' expects a positive value", args[0], args[1]); |
| 335 | return -1; |
| 336 | } |
| 337 | |
| 338 | if (!global.stats_fe) { |
| 339 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 340 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 341 | return -1; |
| 342 | } |
| 343 | } |
| 344 | global.stats_fe->maxconn = maxconn; |
| 345 | } |
| 346 | else if (!strcmp(args[1], "bind-process")) { /* enable the socket only on some processes */ |
| 347 | int cur_arg = 2; |
| 348 | unsigned long set = 0; |
| 349 | |
| 350 | if (!global.stats_fe) { |
| 351 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 352 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 353 | return -1; |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | while (*args[cur_arg]) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 358 | if (strcmp(args[cur_arg], "all") == 0) { |
| 359 | set = 0; |
| 360 | break; |
| 361 | } |
Christopher Faulet | 26028f6 | 2017-11-22 15:01:51 +0100 | [diff] [blame] | 362 | if (parse_process_number(args[cur_arg], &set, NULL, err)) { |
Christopher Faulet | f1f0c5f | 2017-11-22 12:06:43 +0100 | [diff] [blame] | 363 | memprintf(err, "'%s %s' : %s", args[0], args[1], *err); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 364 | return -1; |
| 365 | } |
| 366 | cur_arg++; |
| 367 | } |
| 368 | global.stats_fe->bind_proc = set; |
| 369 | } |
| 370 | else { |
| 371 | memprintf(err, "'%s' only supports 'socket', 'maxconn', 'bind-process' and 'timeout' (got '%s')", args[0], args[1]); |
| 372 | return -1; |
| 373 | } |
| 374 | return 0; |
| 375 | } |
| 376 | |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 377 | /* Verifies that the CLI at least has a level at least as high as <level> |
| 378 | * (typically ACCESS_LVL_ADMIN). Returns 1 if OK, otherwise 0. In case of |
| 379 | * failure, an error message is prepared and the appctx's state is adjusted |
| 380 | * to print it so that a return 1 is enough to abort any processing. |
| 381 | */ |
| 382 | int cli_has_level(struct appctx *appctx, int level) |
| 383 | { |
| 384 | struct stream_interface *si = appctx->owner; |
| 385 | struct stream *s = si_strm(si); |
| 386 | |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 387 | if ((strm_li(s)->bind_conf->level & ACCESS_LVL_MASK) < level) { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 388 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 389 | appctx->ctx.cli.msg = stats_permission_denied_msg; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 390 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 391 | return 0; |
| 392 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 393 | return 1; |
| 394 | } |
| 395 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 396 | /* Returns severity_output for the current session if set, or default for the socket */ |
| 397 | static int cli_get_severity_output(struct appctx *appctx) |
| 398 | { |
| 399 | if (appctx->cli_severity_output) |
| 400 | return appctx->cli_severity_output; |
| 401 | return strm_li(si_strm(appctx->owner))->bind_conf->severity_output; |
| 402 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 403 | |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 404 | /* Processes the CLI interpreter on the stats socket. This function is called |
| 405 | * from the CLI's IO handler running in an appctx context. The function returns 1 |
| 406 | * if the request was understood, otherwise zero. It is called with appctx->st0 |
| 407 | * set to CLI_ST_GETREQ and presets ->st2 to 0 so that parsers don't have to do |
| 408 | * it. It will possilbly leave st0 to CLI_ST_CALLBACK if the keyword needs to |
| 409 | * have its own I/O handler called again. Most of the time, parsers will only |
| 410 | * set st0 to CLI_ST_PRINT and put their message to be displayed into cli.msg. |
Willy Tarreau | eaffde3 | 2016-12-16 17:59:25 +0100 | [diff] [blame] | 411 | * If a keyword parser is NULL and an I/O handler is declared, the I/O handler |
| 412 | * will automatically be used. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 413 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 414 | static int cli_parse_request(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 415 | { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 416 | char *args[MAX_STATS_ARGS + 1], *p, *end, *payload = NULL; |
| 417 | int i = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 418 | struct cli_kw *kw; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 419 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 420 | appctx->st2 = 0; |
| 421 | memset(&appctx->ctx.cli, 0, sizeof(appctx->ctx.cli)); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 422 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 423 | p = appctx->chunk->area; |
| 424 | end = p + appctx->chunk->data; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 425 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 426 | /* |
| 427 | * Get the payload start if there is one. |
| 428 | * For the sake of simplicity, the payload pattern is looked up |
| 429 | * everywhere from the start of the input but it can only be found |
| 430 | * at the end of the first line if APPCTX_CLI_ST1_PAYLOAD is set. |
| 431 | * |
| 432 | * The input string was zero terminated so it is safe to use |
| 433 | * the str*() functions throughout the parsing |
| 434 | */ |
| 435 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
| 436 | payload = strstr(p, PAYLOAD_PATTERN); |
| 437 | end = payload; |
| 438 | /* skip the pattern */ |
| 439 | payload += strlen(PAYLOAD_PATTERN); |
| 440 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 441 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 442 | /* |
| 443 | * Get pointers on words. |
| 444 | * One extra slot is reserved to store a pointer on a null byte. |
| 445 | */ |
| 446 | while (i < MAX_STATS_ARGS && p < end) { |
| 447 | int j, k; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 448 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 449 | /* skip leading spaces/tabs */ |
| 450 | p += strspn(p, " \t"); |
| 451 | if (!*p) |
| 452 | break; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 453 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 454 | args[i] = p; |
| 455 | p += strcspn(p, " \t"); |
| 456 | *p++ = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 457 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 458 | /* unescape backslashes (\) */ |
| 459 | for (j = 0, k = 0; args[i][k]; k++) { |
| 460 | if (args[i][k] == '\\') { |
| 461 | if (args[i][k + 1] == '\\') |
| 462 | k++; |
Dragan Dosen | a1c35ab | 2016-11-24 11:33:12 +0100 | [diff] [blame] | 463 | else |
| 464 | continue; |
| 465 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 466 | args[i][j] = args[i][k]; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 467 | j++; |
| 468 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 469 | args[i][j] = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 470 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 471 | i++; |
| 472 | } |
| 473 | /* fill unused slots */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 474 | p = appctx->chunk->area + appctx->chunk->data; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 475 | for (; i < MAX_STATS_ARGS + 1; i++) |
| 476 | args[i] = p; |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 477 | |
| 478 | kw = cli_find_kw(args); |
Willy Tarreau | eaffde3 | 2016-12-16 17:59:25 +0100 | [diff] [blame] | 479 | if (!kw) |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 480 | return 0; |
| 481 | |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 482 | /* in a worker or normal process, don't display master only commands */ |
| 483 | if (master == 0 && (kw->level & ACCESS_MASTER_ONLY)) |
| 484 | return 0; |
| 485 | |
| 486 | /* in master don't displays if we don't have the master bits */ |
| 487 | if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER))) |
| 488 | return 0; |
| 489 | |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 490 | appctx->io_handler = kw->io_handler; |
Emeric Brun | d6871f7 | 2017-06-29 19:54:13 +0200 | [diff] [blame] | 491 | appctx->io_release = kw->io_release; |
| 492 | /* kw->parse could set its own io_handler or ip_release handler */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 493 | if ((!kw->parse || kw->parse(args, payload, appctx, kw->private) == 0) && appctx->io_handler) { |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 494 | appctx->st0 = CLI_ST_CALLBACK; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 495 | } |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 496 | return 1; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 497 | } |
| 498 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 499 | /* prepends then outputs the argument msg with a syslog-type severity depending on severity_output value */ |
| 500 | static int cli_output_msg(struct channel *chn, const char *msg, int severity, int severity_output) |
| 501 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 502 | struct buffer *tmp; |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 503 | |
| 504 | if (likely(severity_output == CLI_SEVERITY_NONE)) |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 505 | return ci_putblk(chn, msg, strlen(msg)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 506 | |
| 507 | tmp = get_trash_chunk(); |
| 508 | chunk_reset(tmp); |
| 509 | |
| 510 | if (severity < 0 || severity > 7) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 511 | ha_warning("socket command feedback with invalid severity %d", severity); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 512 | chunk_printf(tmp, "[%d]: ", severity); |
| 513 | } |
| 514 | else { |
| 515 | switch (severity_output) { |
| 516 | case CLI_SEVERITY_NUMBER: |
| 517 | chunk_printf(tmp, "[%d]: ", severity); |
| 518 | break; |
| 519 | case CLI_SEVERITY_STRING: |
| 520 | chunk_printf(tmp, "[%s]: ", log_levels[severity]); |
| 521 | break; |
| 522 | default: |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 523 | ha_warning("Unrecognized severity output %d", severity_output); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 524 | } |
| 525 | } |
| 526 | chunk_appendf(tmp, "%s", msg); |
| 527 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 528 | return ci_putblk(chn, tmp->area, strlen(tmp->area)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 529 | } |
| 530 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 531 | /* This I/O handler runs as an applet embedded in a stream interface. It is |
| 532 | * used to processes I/O from/to the stats unix socket. The system relies on a |
| 533 | * state machine handling requests and various responses. We read a request, |
| 534 | * then we process it and send the response, and we possibly display a prompt. |
| 535 | * Then we can read again. The state is stored in appctx->st0 and is one of the |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 536 | * CLI_ST_* constants. appctx->st1 is used to indicate whether prompt is enabled |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 537 | * or not. |
| 538 | */ |
| 539 | static void cli_io_handler(struct appctx *appctx) |
| 540 | { |
| 541 | struct stream_interface *si = appctx->owner; |
| 542 | struct channel *req = si_oc(si); |
| 543 | struct channel *res = si_ic(si); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 544 | struct bind_conf *bind_conf = strm_li(si_strm(si))->bind_conf; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 545 | int reql; |
| 546 | int len; |
| 547 | |
| 548 | if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO)) |
| 549 | goto out; |
| 550 | |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 551 | /* Check if the input buffer is avalaible. */ |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 552 | if (res->buf.size == 0) { |
Willy Tarreau | 4b962a4 | 2018-11-15 11:03:21 +0100 | [diff] [blame] | 553 | /* buf.size==0 means we failed to get a buffer and were |
| 554 | * already subscribed to a wait list to get a buffer. |
| 555 | */ |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 556 | goto out; |
| 557 | } |
| 558 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 559 | while (1) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 560 | if (appctx->st0 == CLI_ST_INIT) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 561 | /* Stats output not initialized yet */ |
| 562 | memset(&appctx->ctx.stats, 0, sizeof(appctx->ctx.stats)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 563 | /* reset severity to default at init */ |
| 564 | appctx->cli_severity_output = bind_conf->severity_output; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 565 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 566 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 567 | else if (appctx->st0 == CLI_ST_END) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 568 | /* Let's close for real now. We just close the request |
| 569 | * side, the conditions below will complete if needed. |
| 570 | */ |
| 571 | si_shutw(si); |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 572 | free_trash_chunk(appctx->chunk); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 573 | break; |
| 574 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 575 | else if (appctx->st0 == CLI_ST_GETREQ) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 576 | char *str; |
| 577 | |
| 578 | /* use a trash chunk to store received data */ |
| 579 | if (!appctx->chunk) { |
| 580 | appctx->chunk = alloc_trash_chunk(); |
| 581 | if (!appctx->chunk) { |
| 582 | appctx->st0 = CLI_ST_END; |
| 583 | continue; |
| 584 | } |
| 585 | } |
| 586 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 587 | str = appctx->chunk->area + appctx->chunk->data; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 588 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 589 | /* ensure we have some output room left in the event we |
| 590 | * would want to return some info right after parsing. |
| 591 | */ |
| 592 | if (buffer_almost_full(si_ib(si))) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 593 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 594 | break; |
| 595 | } |
| 596 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 597 | /* '- 1' is to ensure a null byte can always be inserted at the end */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 598 | reql = co_getline(si_oc(si), str, |
| 599 | appctx->chunk->size - appctx->chunk->data - 1); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 600 | if (reql <= 0) { /* closed or EOL not found */ |
| 601 | if (reql == 0) |
| 602 | break; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 603 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 604 | continue; |
| 605 | } |
| 606 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 607 | if (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)) { |
| 608 | /* seek for a possible unescaped semi-colon. If we find |
| 609 | * one, we replace it with an LF and skip only this part. |
| 610 | */ |
| 611 | for (len = 0; len < reql; len++) { |
| 612 | if (str[len] == '\\') { |
| 613 | len++; |
| 614 | continue; |
| 615 | } |
| 616 | if (str[len] == ';') { |
| 617 | str[len] = '\n'; |
| 618 | reql = len + 1; |
| 619 | break; |
| 620 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 621 | } |
| 622 | } |
| 623 | |
| 624 | /* now it is time to check that we have a full line, |
| 625 | * remove the trailing \n and possibly \r, then cut the |
| 626 | * line. |
| 627 | */ |
| 628 | len = reql - 1; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 629 | if (str[len] != '\n') { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 630 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 631 | continue; |
| 632 | } |
| 633 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 634 | if (len && str[len-1] == '\r') |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 635 | len--; |
| 636 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 637 | str[len] = '\0'; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 638 | appctx->chunk->data += len; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 639 | |
| 640 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 641 | appctx->chunk->area[appctx->chunk->data] = '\n'; |
| 642 | appctx->chunk->area[appctx->chunk->data + 1] = 0; |
| 643 | appctx->chunk->data++; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 644 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 645 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 646 | appctx->st0 = CLI_ST_PROMPT; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 647 | |
| 648 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
| 649 | /* empty line */ |
| 650 | if (!len) { |
| 651 | /* remove the last two \n */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 652 | appctx->chunk->data -= 2; |
| 653 | appctx->chunk->area[appctx->chunk->data] = 0; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 654 | |
| 655 | if (!cli_parse_request(appctx)) |
| 656 | cli_gen_usage_msg(appctx); |
| 657 | |
| 658 | chunk_reset(appctx->chunk); |
| 659 | /* NB: cli_sock_parse_request() may have put |
| 660 | * another CLI_ST_O_* into appctx->st0. |
| 661 | */ |
| 662 | |
| 663 | appctx->st1 &= ~APPCTX_CLI_ST1_PAYLOAD; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 664 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 665 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 666 | else { |
| 667 | /* |
| 668 | * Look for the "payload start" pattern at the end of a line |
| 669 | * Its location is not remembered here, this is just to switch |
| 670 | * to a gathering mode. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 671 | */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 672 | if (!strcmp(appctx->chunk->area + appctx->chunk->data - strlen(PAYLOAD_PATTERN), PAYLOAD_PATTERN)) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 673 | appctx->st1 |= APPCTX_CLI_ST1_PAYLOAD; |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 674 | else { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 675 | /* no payload, the command is complete: parse the request */ |
| 676 | if (!cli_parse_request(appctx)) |
| 677 | cli_gen_usage_msg(appctx); |
| 678 | |
| 679 | chunk_reset(appctx->chunk); |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 680 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 681 | } |
| 682 | |
| 683 | /* re-adjust req buffer */ |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 684 | co_skip(si_oc(si), reql); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 685 | req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */ |
| 686 | } |
| 687 | else { /* output functions */ |
| 688 | switch (appctx->st0) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 689 | case CLI_ST_PROMPT: |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 690 | break; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 691 | case CLI_ST_PRINT: |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 692 | if (cli_output_msg(res, appctx->ctx.cli.msg, appctx->ctx.cli.severity, |
| 693 | cli_get_severity_output(appctx)) != -1) |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 694 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 695 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 696 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 697 | break; |
Aurélien Nephtali | c511b7c | 2018-04-16 18:50:19 +0200 | [diff] [blame] | 698 | case CLI_ST_PRINT_FREE: { |
| 699 | const char *msg = appctx->ctx.cli.err; |
| 700 | |
| 701 | if (!msg) |
| 702 | msg = "Out of memory.\n"; |
| 703 | |
| 704 | if (cli_output_msg(res, msg, LOG_ERR, cli_get_severity_output(appctx)) != -1) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 705 | free(appctx->ctx.cli.err); |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 706 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 707 | } |
| 708 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 709 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 710 | break; |
Aurélien Nephtali | c511b7c | 2018-04-16 18:50:19 +0200 | [diff] [blame] | 711 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 712 | case CLI_ST_CALLBACK: /* use custom pointer */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 713 | if (appctx->io_handler) |
| 714 | if (appctx->io_handler(appctx)) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 715 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 716 | if (appctx->io_release) { |
| 717 | appctx->io_release(appctx); |
| 718 | appctx->io_release = NULL; |
| 719 | } |
| 720 | } |
| 721 | break; |
| 722 | default: /* abnormal state */ |
| 723 | si->flags |= SI_FL_ERR; |
| 724 | break; |
| 725 | } |
| 726 | |
| 727 | /* The post-command prompt is either LF alone or LF + '> ' in interactive mode */ |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 728 | if (appctx->st0 == CLI_ST_PROMPT) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 729 | const char *prompt = ""; |
| 730 | |
| 731 | if (appctx->st1 & APPCTX_CLI_ST1_PROMPT) { |
| 732 | /* |
| 733 | * when entering a payload with interactive mode, change the prompt |
| 734 | * to emphasize that more data can still be sent |
| 735 | */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 736 | if (appctx->chunk->data && appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 737 | prompt = "+ "; |
| 738 | else |
| 739 | prompt = "\n> "; |
| 740 | } |
| 741 | else { |
| 742 | if (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)) |
| 743 | prompt = "\n"; |
| 744 | } |
| 745 | |
| 746 | if (ci_putstr(si_ic(si), prompt) != -1) |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 747 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 748 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 749 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | /* If the output functions are still there, it means they require more room. */ |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 753 | if (appctx->st0 >= CLI_ST_OUTPUT) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 754 | break; |
| 755 | |
| 756 | /* Now we close the output if one of the writers did so, |
| 757 | * or if we're not in interactive mode and the request |
| 758 | * buffer is empty. This still allows pipelined requests |
| 759 | * to be sent in non-interactive mode. |
| 760 | */ |
Willy Tarreau | 851d12c | 2018-06-19 07:01:36 +0200 | [diff] [blame] | 761 | if ((res->flags & (CF_SHUTW|CF_SHUTW_NOW)) || (!(appctx->st1 & APPCTX_CLI_ST1_PROMPT) && !co_data(req))) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 762 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 763 | continue; |
| 764 | } |
| 765 | |
| 766 | /* switch state back to GETREQ to read next requests */ |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 767 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 768 | } |
| 769 | } |
| 770 | |
| 771 | if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST)) { |
| 772 | DPRINTF(stderr, "%s@%d: si to buf closed. req=%08x, res=%08x, st=%d\n", |
| 773 | __FUNCTION__, __LINE__, req->flags, res->flags, si->state); |
| 774 | /* Other side has closed, let's abort if we have no more processing to do |
| 775 | * and nothing more to consume. This is comparable to a broken pipe, so |
| 776 | * we forward the close to the request side so that it flows upstream to |
| 777 | * the client. |
| 778 | */ |
| 779 | si_shutw(si); |
| 780 | } |
| 781 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 782 | if ((req->flags & CF_SHUTW) && (si->state == SI_ST_EST) && (appctx->st0 < CLI_ST_OUTPUT)) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 783 | DPRINTF(stderr, "%s@%d: buf to si closed. req=%08x, res=%08x, st=%d\n", |
| 784 | __FUNCTION__, __LINE__, req->flags, res->flags, si->state); |
| 785 | /* We have no more processing to do, and nothing more to send, and |
| 786 | * the client side has closed. So we'll forward this state downstream |
| 787 | * on the response buffer. |
| 788 | */ |
| 789 | si_shutr(si); |
| 790 | res->flags |= CF_READ_NULL; |
| 791 | } |
| 792 | |
| 793 | out: |
Christopher Faulet | 4507351 | 2018-07-20 10:16:29 +0200 | [diff] [blame] | 794 | DPRINTF(stderr, "%s@%d: st=%d, rqf=%x, rpf=%x, rqh=%lu, rqs=%lu, rh=%lu, rs=%lu\n", |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 795 | __FUNCTION__, __LINE__, |
Christopher Faulet | 4507351 | 2018-07-20 10:16:29 +0200 | [diff] [blame] | 796 | si->state, req->flags, res->flags, ci_data(req), co_data(req), ci_data(res), co_data(res)); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 797 | } |
| 798 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 799 | /* This is called when the stream interface is closed. For instance, upon an |
| 800 | * external abort, we won't call the i/o handler anymore so we may need to |
| 801 | * remove back references to the stream currently being dumped. |
| 802 | */ |
| 803 | static void cli_release_handler(struct appctx *appctx) |
| 804 | { |
| 805 | if (appctx->io_release) { |
| 806 | appctx->io_release(appctx); |
| 807 | appctx->io_release = NULL; |
| 808 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 809 | else if (appctx->st0 == CLI_ST_PRINT_FREE) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 810 | free(appctx->ctx.cli.err); |
| 811 | appctx->ctx.cli.err = NULL; |
| 812 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 813 | } |
| 814 | |
| 815 | /* This function dumps all environmnent variables to the buffer. It returns 0 |
| 816 | * if the output buffer is full and it needs to be called again, otherwise |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 817 | * non-zero. Dumps only one entry if st2 == STAT_ST_END. It uses cli.p0 as the |
| 818 | * pointer to the current variable. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 819 | */ |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 820 | static int cli_io_handler_show_env(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 821 | { |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 822 | struct stream_interface *si = appctx->owner; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 823 | char **var = appctx->ctx.cli.p0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 824 | |
| 825 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 826 | return 1; |
| 827 | |
| 828 | chunk_reset(&trash); |
| 829 | |
| 830 | /* we have two inner loops here, one for the proxy, the other one for |
| 831 | * the buffer. |
| 832 | */ |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 833 | while (*var) { |
| 834 | chunk_printf(&trash, "%s\n", *var); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 835 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 836 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 837 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 838 | return 0; |
| 839 | } |
| 840 | if (appctx->st2 == STAT_ST_END) |
| 841 | break; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 842 | var++; |
| 843 | appctx->ctx.cli.p0 = var; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 844 | } |
| 845 | |
| 846 | /* dump complete */ |
| 847 | return 1; |
| 848 | } |
| 849 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 850 | /* This function dumps all file descriptors states (or the requested one) to |
| 851 | * the buffer. It returns 0 if the output buffer is full and it needs to be |
| 852 | * called again, otherwise non-zero. Dumps only one entry if st2 == STAT_ST_END. |
| 853 | * It uses cli.i0 as the fd number to restart from. |
| 854 | */ |
| 855 | static int cli_io_handler_show_fd(struct appctx *appctx) |
| 856 | { |
| 857 | struct stream_interface *si = appctx->owner; |
| 858 | int fd = appctx->ctx.cli.i0; |
| 859 | |
| 860 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 861 | return 1; |
| 862 | |
| 863 | chunk_reset(&trash); |
| 864 | |
| 865 | /* we have two inner loops here, one for the proxy, the other one for |
| 866 | * the buffer. |
| 867 | */ |
Aurélien Nephtali | 498a115 | 2018-03-09 18:51:16 +0100 | [diff] [blame] | 868 | while (fd >= 0 && fd < global.maxsock) { |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 869 | struct fdtab fdt; |
Willy Tarreau | 286ec68 | 2017-08-09 16:35:44 +0200 | [diff] [blame] | 870 | struct listener *li = NULL; |
| 871 | struct server *sv = NULL; |
| 872 | struct proxy *px = NULL; |
Willy Tarreau | a833cd9 | 2018-03-29 13:19:37 +0200 | [diff] [blame] | 873 | const struct mux_ops *mux = NULL; |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 874 | void *ctx = NULL; |
Willy Tarreau | 286ec68 | 2017-08-09 16:35:44 +0200 | [diff] [blame] | 875 | uint32_t conn_flags = 0; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 876 | |
Willy Tarreau | bf9fd65 | 2018-08-02 11:05:48 +0200 | [diff] [blame] | 877 | thread_isolate(); |
| 878 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 879 | fdt = fdtab[fd]; |
| 880 | |
Willy Tarreau | bf9fd65 | 2018-08-02 11:05:48 +0200 | [diff] [blame] | 881 | if (!fdt.owner) { |
| 882 | thread_release(); |
Willy Tarreau | 017af24 | 2017-10-04 20:24:54 +0200 | [diff] [blame] | 883 | goto skip; // closed |
Willy Tarreau | bf9fd65 | 2018-08-02 11:05:48 +0200 | [diff] [blame] | 884 | } |
Willy Tarreau | 017af24 | 2017-10-04 20:24:54 +0200 | [diff] [blame] | 885 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 886 | if (fdt.iocb == conn_fd_handler) { |
| 887 | conn_flags = ((struct connection *)fdt.owner)->flags; |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 888 | mux = ((struct connection *)fdt.owner)->mux; |
| 889 | ctx = ((struct connection *)fdt.owner)->mux_ctx; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 890 | li = objt_listener(((struct connection *)fdt.owner)->target); |
| 891 | sv = objt_server(((struct connection *)fdt.owner)->target); |
| 892 | px = objt_proxy(((struct connection *)fdt.owner)->target); |
| 893 | } |
| 894 | else if (fdt.iocb == listener_accept) |
| 895 | li = fdt.owner; |
| 896 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 897 | chunk_printf(&trash, |
Willy Tarreau | c754b34 | 2018-03-30 15:00:15 +0200 | [diff] [blame] | 898 | " %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 Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 899 | fd, |
| 900 | fdt.state, |
| 901 | (fdt.state & FD_EV_POLLED_R) ? 'P' : 'p', |
| 902 | (fdt.state & FD_EV_READY_R) ? 'R' : 'r', |
| 903 | (fdt.state & FD_EV_ACTIVE_R) ? 'A' : 'a', |
| 904 | (fdt.state & FD_EV_POLLED_W) ? 'P' : 'p', |
| 905 | (fdt.state & FD_EV_READY_W) ? 'R' : 'r', |
| 906 | (fdt.state & FD_EV_ACTIVE_W) ? 'A' : 'a', |
| 907 | fdt.ev, |
| 908 | (fdt.ev & FD_POLL_HUP) ? 'H' : 'h', |
| 909 | (fdt.ev & FD_POLL_ERR) ? 'E' : 'e', |
| 910 | (fdt.ev & FD_POLL_OUT) ? 'O' : 'o', |
| 911 | (fdt.ev & FD_POLL_PRI) ? 'P' : 'p', |
| 912 | (fdt.ev & FD_POLL_IN) ? 'I' : 'i', |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 913 | fdt.linger_risk ? 'L' : 'l', |
| 914 | fdt.cloned ? 'C' : 'c', |
Willy Tarreau | c754b34 | 2018-03-30 15:00:15 +0200 | [diff] [blame] | 915 | fdt.cache.next, |
| 916 | fdt.cache.prev, |
| 917 | fdt.thread_mask, fdt.update_mask, |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 918 | fdt.owner, |
| 919 | fdt.iocb, |
| 920 | (fdt.iocb == conn_fd_handler) ? "conn_fd_handler" : |
| 921 | (fdt.iocb == dgram_fd_handler) ? "dgram_fd_handler" : |
| 922 | (fdt.iocb == listener_accept) ? "listener_accept" : |
Olivier Houchard | 79321b9 | 2018-07-26 17:55:11 +0200 | [diff] [blame] | 923 | (fdt.iocb == poller_pipe_io_handler) ? "poller_pipe_io_handler" : |
William Lallemand | db6bdfb | 2018-11-20 17:36:51 +0100 | [diff] [blame] | 924 | (fdt.iocb == mworker_accept_wrapper) ? "mworker_accept_wrapper" : |
Willy Tarreau | c754b34 | 2018-03-30 15:00:15 +0200 | [diff] [blame] | 925 | "unknown"); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 926 | |
| 927 | if (fdt.iocb == conn_fd_handler) { |
| 928 | chunk_appendf(&trash, " cflg=0x%08x", conn_flags); |
| 929 | if (px) |
| 930 | chunk_appendf(&trash, " px=%s", px->id); |
| 931 | else if (sv) |
| 932 | chunk_appendf(&trash, " sv=%s/%s", sv->id, sv->proxy->id); |
| 933 | else if (li) |
| 934 | chunk_appendf(&trash, " fe=%s", li->bind_conf->frontend->id); |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 935 | |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 936 | if (mux) { |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 937 | chunk_appendf(&trash, " mux=%s mux_ctx=%p", mux->name, ctx); |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 938 | if (mux->show_fd) |
| 939 | mux->show_fd(&trash, fdt.owner); |
| 940 | } |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 941 | else |
| 942 | chunk_appendf(&trash, " nomux"); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 943 | } |
| 944 | else if (fdt.iocb == listener_accept) { |
| 945 | chunk_appendf(&trash, " l.st=%s fe=%s", |
| 946 | listener_state_str(li), |
| 947 | li->bind_conf->frontend->id); |
| 948 | } |
| 949 | |
Willy Tarreau | bf9fd65 | 2018-08-02 11:05:48 +0200 | [diff] [blame] | 950 | thread_release(); |
| 951 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 952 | chunk_appendf(&trash, "\n"); |
| 953 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 954 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 955 | si_rx_room_blk(si); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 956 | return 0; |
| 957 | } |
| 958 | skip: |
| 959 | if (appctx->st2 == STAT_ST_END) |
| 960 | break; |
| 961 | |
| 962 | fd++; |
| 963 | appctx->ctx.cli.i0 = fd; |
| 964 | } |
| 965 | |
| 966 | /* dump complete */ |
| 967 | return 1; |
| 968 | } |
| 969 | |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 970 | /* This function dumps some activity counters used by developers and support to |
| 971 | * rule out some hypothesis during bug reports. It returns 0 if the output |
| 972 | * buffer is full and it needs to be called again, otherwise non-zero. It dumps |
| 973 | * everything at once in the buffer and is not designed to do it in multiple |
| 974 | * passes. |
| 975 | */ |
| 976 | static int cli_io_handler_show_activity(struct appctx *appctx) |
| 977 | { |
| 978 | struct stream_interface *si = appctx->owner; |
| 979 | int thr; |
| 980 | |
| 981 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 982 | return 1; |
| 983 | |
| 984 | chunk_reset(&trash); |
| 985 | |
| 986 | chunk_appendf(&trash, "thread_id: %u", tid); |
| 987 | chunk_appendf(&trash, "\ndate_now: %lu.%06lu", (long)now.tv_sec, (long)now.tv_usec); |
| 988 | chunk_appendf(&trash, "\nloops:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].loops); |
| 989 | chunk_appendf(&trash, "\nwake_cache:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].wake_cache); |
| 990 | chunk_appendf(&trash, "\nwake_tasks:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].wake_tasks); |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 991 | chunk_appendf(&trash, "\nwake_signal:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].wake_signal); |
| 992 | chunk_appendf(&trash, "\npoll_exp:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].poll_exp); |
| 993 | chunk_appendf(&trash, "\npoll_drop:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].poll_drop); |
| 994 | chunk_appendf(&trash, "\npoll_dead:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].poll_dead); |
| 995 | chunk_appendf(&trash, "\npoll_skip:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].poll_skip); |
| 996 | chunk_appendf(&trash, "\nfd_skip:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].fd_skip); |
| 997 | chunk_appendf(&trash, "\nfd_lock:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].fd_lock); |
| 998 | chunk_appendf(&trash, "\nfd_del:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].fd_del); |
| 999 | chunk_appendf(&trash, "\nconn_dead:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].conn_dead); |
| 1000 | chunk_appendf(&trash, "\nstream:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].stream); |
| 1001 | chunk_appendf(&trash, "\nempty_rq:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].empty_rq); |
| 1002 | chunk_appendf(&trash, "\nlong_rq:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].long_rq); |
Willy Tarreau | ed72d82 | 2018-10-17 19:01:24 +0200 | [diff] [blame] | 1003 | chunk_appendf(&trash, "\ncpust_tot:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].cpust_total/2); |
| 1004 | chunk_appendf(&trash, "\ncpust_1s:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", read_freq_ctr(&activity[thr].cpust_1s)/2); |
| 1005 | chunk_appendf(&trash, "\ncpust_15s:"); for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", read_freq_ctr_period(&activity[thr].cpust_15s, 15000)/2); |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1006 | |
| 1007 | chunk_appendf(&trash, "\n"); |
| 1008 | |
| 1009 | if (ci_putchk(si_ic(si), &trash) == -1) { |
| 1010 | chunk_reset(&trash); |
| 1011 | chunk_printf(&trash, "[output too large, cannot dump]\n"); |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1012 | si_rx_room_blk(si); |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1013 | } |
| 1014 | |
| 1015 | /* dump complete */ |
| 1016 | return 1; |
| 1017 | } |
| 1018 | |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1019 | /* |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1020 | * CLI IO handler for `show cli sockets`. |
| 1021 | * Uses ctx.cli.p0 to store the restart pointer. |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1022 | */ |
| 1023 | static int cli_io_handler_show_cli_sock(struct appctx *appctx) |
| 1024 | { |
| 1025 | struct bind_conf *bind_conf; |
| 1026 | struct stream_interface *si = appctx->owner; |
| 1027 | |
| 1028 | chunk_reset(&trash); |
| 1029 | |
| 1030 | switch (appctx->st2) { |
| 1031 | case STAT_ST_INIT: |
| 1032 | chunk_printf(&trash, "# socket lvl processes\n"); |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1033 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1034 | si_rx_room_blk(si); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1035 | return 0; |
| 1036 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1037 | appctx->st2 = STAT_ST_LIST; |
| 1038 | |
| 1039 | case STAT_ST_LIST: |
| 1040 | if (global.stats_fe) { |
| 1041 | list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) { |
| 1042 | struct listener *l; |
| 1043 | |
| 1044 | /* |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1045 | * get the latest dumped node in appctx->ctx.cli.p0 |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1046 | * if the current node is the first of the list |
| 1047 | */ |
| 1048 | |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1049 | if (appctx->ctx.cli.p0 && |
| 1050 | &bind_conf->by_fe == (&global.stats_fe->conf.bind)->n) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1051 | /* change the current node to the latest dumped and continue the loop */ |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1052 | bind_conf = LIST_ELEM(appctx->ctx.cli.p0, typeof(bind_conf), by_fe); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1053 | continue; |
| 1054 | } |
| 1055 | |
| 1056 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 1057 | |
| 1058 | char addr[46]; |
| 1059 | char port[6]; |
| 1060 | |
| 1061 | if (l->addr.ss_family == AF_UNIX) { |
| 1062 | const struct sockaddr_un *un; |
| 1063 | |
| 1064 | un = (struct sockaddr_un *)&l->addr; |
| 1065 | chunk_appendf(&trash, "%s ", un->sun_path); |
| 1066 | } else if (l->addr.ss_family == AF_INET) { |
| 1067 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 1068 | port_to_str(&l->addr, port, sizeof(port)); |
| 1069 | chunk_appendf(&trash, "%s:%s ", addr, port); |
| 1070 | } else if (l->addr.ss_family == AF_INET6) { |
| 1071 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 1072 | port_to_str(&l->addr, port, sizeof(port)); |
| 1073 | chunk_appendf(&trash, "[%s]:%s ", addr, port); |
William Lallemand | 2631434 | 2018-10-26 14:47:41 +0200 | [diff] [blame] | 1074 | } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) { |
| 1075 | chunk_appendf(&trash, "sockpair@%d ", ((struct sockaddr_in *)&l->addr)->sin_addr.s_addr); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1076 | } else |
William Lallemand | 2631434 | 2018-10-26 14:47:41 +0200 | [diff] [blame] | 1077 | chunk_appendf(&trash, "unknown "); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1078 | |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1079 | if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN) |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1080 | chunk_appendf(&trash, "admin "); |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1081 | else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER) |
| 1082 | chunk_appendf(&trash, "operator "); |
| 1083 | else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_USER) |
| 1084 | chunk_appendf(&trash, "user "); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1085 | else |
| 1086 | chunk_appendf(&trash, " "); |
| 1087 | |
| 1088 | if (bind_conf->bind_proc != 0) { |
| 1089 | int pos; |
Willy Tarreau | 20c5e52 | 2016-12-16 12:50:55 +0100 | [diff] [blame] | 1090 | for (pos = 0; pos < 8 * sizeof(bind_conf->bind_proc); pos++) { |
Willy Tarreau | 4305ac7 | 2016-12-16 12:56:31 +0100 | [diff] [blame] | 1091 | if (bind_conf->bind_proc & (1UL << pos)) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1092 | chunk_appendf(&trash, "%d,", pos+1); |
| 1093 | } |
| 1094 | } |
| 1095 | /* replace the latest comma by a newline */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1096 | trash.area[trash.data-1] = '\n'; |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1097 | |
| 1098 | } else { |
| 1099 | chunk_appendf(&trash, "all\n"); |
| 1100 | } |
| 1101 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1102 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1103 | si_rx_room_blk(si); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1104 | return 0; |
| 1105 | } |
| 1106 | } |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1107 | appctx->ctx.cli.p0 = &bind_conf->by_fe; /* store the latest list node dumped */ |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1108 | } |
| 1109 | } |
| 1110 | default: |
| 1111 | appctx->st2 = STAT_ST_FIN; |
| 1112 | return 1; |
| 1113 | } |
| 1114 | } |
| 1115 | |
| 1116 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1117 | /* parse a "show env" CLI request. Returns 0 if it needs to continue, 1 if it |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1118 | * wants to stop here. It puts the variable to be dumped into cli.p0 if a single |
| 1119 | * variable is requested otherwise puts environ there. |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1120 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1121 | static int cli_parse_show_env(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1122 | { |
| 1123 | extern char **environ; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1124 | char **var; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1125 | |
| 1126 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1127 | return 1; |
| 1128 | |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1129 | var = environ; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1130 | |
| 1131 | if (*args[2]) { |
| 1132 | int len = strlen(args[2]); |
| 1133 | |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1134 | for (; *var; var++) { |
| 1135 | if (strncmp(*var, args[2], len) == 0 && |
| 1136 | (*var)[len] == '=') |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1137 | break; |
| 1138 | } |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1139 | if (!*var) { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1140 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1141 | appctx->ctx.cli.msg = "Variable not found\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1142 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1143 | return 1; |
| 1144 | } |
| 1145 | appctx->st2 = STAT_ST_END; |
| 1146 | } |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1147 | appctx->ctx.cli.p0 = var; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1148 | return 0; |
| 1149 | } |
| 1150 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1151 | /* parse a "show fd" CLI request. Returns 0 if it needs to continue, 1 if it |
| 1152 | * wants to stop here. It puts the FD number into cli.i0 if a specific FD is |
| 1153 | * requested and sets st2 to STAT_ST_END, otherwise leaves 0 in i0. |
| 1154 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1155 | static int cli_parse_show_fd(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1156 | { |
| 1157 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1158 | return 1; |
| 1159 | |
| 1160 | appctx->ctx.cli.i0 = 0; |
| 1161 | |
| 1162 | if (*args[2]) { |
| 1163 | appctx->ctx.cli.i0 = atoi(args[2]); |
| 1164 | appctx->st2 = STAT_ST_END; |
| 1165 | } |
| 1166 | return 0; |
| 1167 | } |
| 1168 | |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1169 | /* parse a "set timeout" CLI request. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1170 | static int cli_parse_set_timeout(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1171 | { |
| 1172 | struct stream_interface *si = appctx->owner; |
| 1173 | struct stream *s = si_strm(si); |
| 1174 | |
| 1175 | if (strcmp(args[2], "cli") == 0) { |
| 1176 | unsigned timeout; |
| 1177 | const char *res; |
| 1178 | |
| 1179 | if (!*args[3]) { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1180 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1181 | appctx->ctx.cli.msg = "Expects an integer value.\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1182 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1183 | return 1; |
| 1184 | } |
| 1185 | |
| 1186 | res = parse_time_err(args[3], &timeout, TIME_UNIT_S); |
| 1187 | if (res || timeout < 1) { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1188 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1189 | appctx->ctx.cli.msg = "Invalid timeout value.\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1190 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1191 | return 1; |
| 1192 | } |
| 1193 | |
| 1194 | s->req.rto = s->res.wto = 1 + MS_TO_TICKS(timeout*1000); |
| 1195 | task_wakeup(s->task, TASK_WOKEN_MSG); // recompute timeouts |
| 1196 | return 1; |
| 1197 | } |
| 1198 | else { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1199 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1200 | appctx->ctx.cli.msg = "'set timeout' only supports 'cli'.\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1201 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1202 | return 1; |
| 1203 | } |
| 1204 | } |
| 1205 | |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1206 | /* parse a "set maxconn global" command. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1207 | static int cli_parse_set_maxconn_global(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1208 | { |
| 1209 | int v; |
| 1210 | |
| 1211 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1212 | return 1; |
| 1213 | |
| 1214 | if (!*args[3]) { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1215 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1216 | appctx->ctx.cli.msg = "Expects an integer value.\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1217 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1218 | return 1; |
| 1219 | } |
| 1220 | |
| 1221 | v = atoi(args[3]); |
| 1222 | if (v > global.hardmaxconn) { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1223 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1224 | appctx->ctx.cli.msg = "Value out of range.\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1225 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1226 | return 1; |
| 1227 | } |
| 1228 | |
| 1229 | /* check for unlimited values */ |
| 1230 | if (v <= 0) |
| 1231 | v = global.hardmaxconn; |
| 1232 | |
| 1233 | global.maxconn = v; |
| 1234 | |
| 1235 | /* Dequeues all of the listeners waiting for a resource */ |
| 1236 | if (!LIST_ISEMPTY(&global_listener_queue)) |
| 1237 | dequeue_all_listeners(&global_listener_queue); |
| 1238 | |
| 1239 | return 1; |
| 1240 | } |
| 1241 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1242 | static int set_severity_output(int *target, char *argument) |
| 1243 | { |
| 1244 | if (!strcmp(argument, "none")) { |
| 1245 | *target = CLI_SEVERITY_NONE; |
| 1246 | return 1; |
| 1247 | } |
| 1248 | else if (!strcmp(argument, "number")) { |
| 1249 | *target = CLI_SEVERITY_NUMBER; |
| 1250 | return 1; |
| 1251 | } |
| 1252 | else if (!strcmp(argument, "string")) { |
| 1253 | *target = CLI_SEVERITY_STRING; |
| 1254 | return 1; |
| 1255 | } |
| 1256 | return 0; |
| 1257 | } |
| 1258 | |
| 1259 | /* parse a "set severity-output" command. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1260 | static int cli_parse_set_severity_output(char **args, char *payload, struct appctx *appctx, void *private) |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1261 | { |
| 1262 | if (*args[2] && set_severity_output(&appctx->cli_severity_output, args[2])) |
| 1263 | return 0; |
| 1264 | |
| 1265 | appctx->ctx.cli.severity = LOG_ERR; |
Aurélien Nephtali | 6e8a41d | 2018-03-15 21:48:50 +0100 | [diff] [blame] | 1266 | appctx->ctx.cli.msg = "one of 'none', 'number', 'string' is a required argument\n"; |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1267 | appctx->st0 = CLI_ST_PRINT; |
| 1268 | return 1; |
| 1269 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1270 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1271 | int cli_parse_default(char **args, char *payload, struct appctx *appctx, void *private) |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1272 | { |
| 1273 | return 0; |
| 1274 | } |
| 1275 | |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1276 | /* parse a "set rate-limit" command. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1277 | static int cli_parse_set_ratelimit(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1278 | { |
| 1279 | int v; |
| 1280 | int *res; |
| 1281 | int mul = 1; |
| 1282 | |
| 1283 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1284 | return 1; |
| 1285 | |
| 1286 | if (strcmp(args[2], "connections") == 0 && strcmp(args[3], "global") == 0) |
| 1287 | res = &global.cps_lim; |
| 1288 | else if (strcmp(args[2], "sessions") == 0 && strcmp(args[3], "global") == 0) |
| 1289 | res = &global.sps_lim; |
| 1290 | #ifdef USE_OPENSSL |
| 1291 | else if (strcmp(args[2], "ssl-sessions") == 0 && strcmp(args[3], "global") == 0) |
| 1292 | res = &global.ssl_lim; |
| 1293 | #endif |
| 1294 | else if (strcmp(args[2], "http-compression") == 0 && strcmp(args[3], "global") == 0) { |
| 1295 | res = &global.comp_rate_lim; |
| 1296 | mul = 1024; |
| 1297 | } |
| 1298 | else { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1299 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1300 | appctx->ctx.cli.msg = |
| 1301 | "'set rate-limit' only supports :\n" |
| 1302 | " - 'connections global' to set the per-process maximum connection rate\n" |
| 1303 | " - 'sessions global' to set the per-process maximum session rate\n" |
| 1304 | #ifdef USE_OPENSSL |
Aurélien Nephtali | b53e208 | 2018-03-11 16:55:02 +0100 | [diff] [blame] | 1305 | " - 'ssl-sessions global' to set the per-process maximum SSL session rate\n" |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1306 | #endif |
| 1307 | " - 'http-compression global' to set the per-process maximum compression speed in kB/s\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1308 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1309 | return 1; |
| 1310 | } |
| 1311 | |
| 1312 | if (!*args[4]) { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1313 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1314 | appctx->ctx.cli.msg = "Expects an integer value.\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1315 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1316 | return 1; |
| 1317 | } |
| 1318 | |
| 1319 | v = atoi(args[4]); |
| 1320 | if (v < 0) { |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 1321 | appctx->ctx.cli.severity = LOG_ERR; |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1322 | appctx->ctx.cli.msg = "Value out of range.\n"; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1323 | appctx->st0 = CLI_ST_PRINT; |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1324 | return 1; |
| 1325 | } |
| 1326 | |
| 1327 | *res = v * mul; |
| 1328 | |
| 1329 | /* Dequeues all of the listeners waiting for a resource */ |
| 1330 | if (!LIST_ISEMPTY(&global_listener_queue)) |
| 1331 | dequeue_all_listeners(&global_listener_queue); |
| 1332 | |
| 1333 | return 1; |
| 1334 | } |
| 1335 | |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1336 | /* parse the "expose-fd" argument on the bind lines */ |
| 1337 | static int bind_parse_expose_fd(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1338 | { |
| 1339 | if (!*args[cur_arg + 1]) { |
| 1340 | memprintf(err, "'%s' : missing fd type", args[cur_arg]); |
| 1341 | return ERR_ALERT | ERR_FATAL; |
| 1342 | } |
| 1343 | if (!strcmp(args[cur_arg+1], "listeners")) { |
| 1344 | conf->level |= ACCESS_FD_LISTENERS; |
| 1345 | } else { |
| 1346 | memprintf(err, "'%s' only supports 'listeners' (got '%s')", |
| 1347 | args[cur_arg], args[cur_arg+1]); |
| 1348 | return ERR_ALERT | ERR_FATAL; |
| 1349 | } |
| 1350 | |
| 1351 | return 0; |
| 1352 | } |
| 1353 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1354 | /* parse the "level" argument on the bind lines */ |
| 1355 | static int bind_parse_level(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1356 | { |
| 1357 | if (!*args[cur_arg + 1]) { |
| 1358 | memprintf(err, "'%s' : missing level", args[cur_arg]); |
| 1359 | return ERR_ALERT | ERR_FATAL; |
| 1360 | } |
| 1361 | |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1362 | if (!strcmp(args[cur_arg+1], "user")) { |
| 1363 | conf->level &= ~ACCESS_LVL_MASK; |
| 1364 | conf->level |= ACCESS_LVL_USER; |
| 1365 | } else if (!strcmp(args[cur_arg+1], "operator")) { |
| 1366 | conf->level &= ~ACCESS_LVL_MASK; |
| 1367 | conf->level |= ACCESS_LVL_OPER; |
| 1368 | } else if (!strcmp(args[cur_arg+1], "admin")) { |
| 1369 | conf->level &= ~ACCESS_LVL_MASK; |
| 1370 | conf->level |= ACCESS_LVL_ADMIN; |
| 1371 | } else { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1372 | memprintf(err, "'%s' only supports 'user', 'operator', and 'admin' (got '%s')", |
| 1373 | args[cur_arg], args[cur_arg+1]); |
| 1374 | return ERR_ALERT | ERR_FATAL; |
| 1375 | } |
| 1376 | |
| 1377 | return 0; |
| 1378 | } |
| 1379 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1380 | static int bind_parse_severity_output(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1381 | { |
| 1382 | if (!*args[cur_arg + 1]) { |
| 1383 | memprintf(err, "'%s' : missing severity format", args[cur_arg]); |
| 1384 | return ERR_ALERT | ERR_FATAL; |
| 1385 | } |
| 1386 | |
| 1387 | if (set_severity_output(&conf->severity_output, args[cur_arg+1])) |
| 1388 | return 0; |
| 1389 | else { |
| 1390 | memprintf(err, "'%s' only supports 'none', 'number', and 'string' (got '%s')", |
| 1391 | args[cur_arg], args[cur_arg+1]); |
| 1392 | return ERR_ALERT | ERR_FATAL; |
| 1393 | } |
| 1394 | } |
| 1395 | |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1396 | |
| 1397 | /* Displays workers and processes */ |
| 1398 | static int cli_io_handler_show_proc(struct appctx *appctx) |
| 1399 | { |
| 1400 | struct stream_interface *si = appctx->owner; |
| 1401 | struct mworker_proc *child; |
William Lallemand | e09cdc6 | 2018-11-19 18:46:16 +0100 | [diff] [blame] | 1402 | int old = 0; |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1403 | int up = now.tv_sec - proc_self->timestamp; |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1404 | |
| 1405 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 1406 | return 1; |
| 1407 | |
| 1408 | chunk_reset(&trash); |
| 1409 | |
William Lallemand | e368330 | 2018-11-19 18:46:17 +0100 | [diff] [blame] | 1410 | chunk_printf(&trash, "#%-14s %-15s %-15s %-15s %s\n", "<PID>", "<type>", "<relative PID>", "<reloads>", "<uptime>"); |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1411 | chunk_appendf(&trash, "%-15u %-15s %-15u %-15d %dd %02dh%02dm%02ds\n", getpid(), "master", 0, proc_self->reloads, up / 86400, (up % 86400) / 3600, (up % 3600) / 60, (up % 60)); |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1412 | |
William Lallemand | e09cdc6 | 2018-11-19 18:46:16 +0100 | [diff] [blame] | 1413 | /* displays current processes */ |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1414 | |
William Lallemand | e09cdc6 | 2018-11-19 18:46:16 +0100 | [diff] [blame] | 1415 | chunk_appendf(&trash, "# workers\n"); |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1416 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1417 | up = now.tv_sec - child->timestamp; |
| 1418 | |
| 1419 | if (child->type != 'w') |
| 1420 | continue; |
William Lallemand | e09cdc6 | 2018-11-19 18:46:16 +0100 | [diff] [blame] | 1421 | |
| 1422 | if (child->reloads > 0) { |
| 1423 | old++; |
| 1424 | continue; |
| 1425 | } |
William Lallemand | e368330 | 2018-11-19 18:46:17 +0100 | [diff] [blame] | 1426 | chunk_appendf(&trash, "%-15u %-15s %-15u %-15d %dd %02dh%02dm%02ds\n", child->pid, "worker", child->relative_pid, child->reloads, up / 86400, (up % 86400) / 3600, (up % 3600) / 60, (up % 60)); |
William Lallemand | e09cdc6 | 2018-11-19 18:46:16 +0100 | [diff] [blame] | 1427 | } |
| 1428 | |
| 1429 | /* displays old processes */ |
| 1430 | |
| 1431 | if (old) { |
| 1432 | chunk_appendf(&trash, "# old workers\n"); |
| 1433 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1434 | up = now.tv_sec - child->timestamp; |
| 1435 | |
| 1436 | if (child->type != 'w') |
| 1437 | continue; |
| 1438 | |
William Lallemand | e09cdc6 | 2018-11-19 18:46:16 +0100 | [diff] [blame] | 1439 | if (child->reloads > 0) |
William Lallemand | e368330 | 2018-11-19 18:46:17 +0100 | [diff] [blame] | 1440 | chunk_appendf(&trash, "%-15u %-15s %-15u %-15d %dd %02dh%02dm%02ds\n", child->pid, "worker", child->relative_pid, child->reloads, up / 86400, (up % 86400) / 3600, (up % 3600) / 60, (up % 60)); |
William Lallemand | e09cdc6 | 2018-11-19 18:46:16 +0100 | [diff] [blame] | 1441 | } |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1442 | } |
| 1443 | |
| 1444 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1445 | si_rx_room_blk(si); |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1446 | return 0; |
| 1447 | } |
| 1448 | |
| 1449 | /* dump complete */ |
| 1450 | return 1; |
| 1451 | } |
| 1452 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1453 | /* Send all the bound sockets, always returns 1 */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1454 | static int _getsocks(char **args, char *payload, struct appctx *appctx, void *private) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1455 | { |
| 1456 | char *cmsgbuf = NULL; |
| 1457 | unsigned char *tmpbuf = NULL; |
| 1458 | struct cmsghdr *cmsg; |
| 1459 | struct stream_interface *si = appctx->owner; |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1460 | struct stream *s = si_strm(si); |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 1461 | struct connection *remote = cs_conn(objt_cs(si_opposite(si)->end)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1462 | struct msghdr msghdr; |
| 1463 | struct iovec iov; |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1464 | struct timeval tv = { .tv_sec = 1, .tv_usec = 0 }; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1465 | int *tmpfd; |
| 1466 | int tot_fd_nb = 0; |
| 1467 | struct proxy *px; |
| 1468 | int i = 0; |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1469 | int fd = -1; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1470 | int curoff = 0; |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1471 | int old_fcntl = -1; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1472 | int ret; |
| 1473 | |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1474 | if (!remote) { |
| 1475 | ha_warning("Only works on real connections\n"); |
| 1476 | goto out; |
| 1477 | } |
| 1478 | |
| 1479 | fd = remote->handle.fd; |
| 1480 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1481 | /* Temporary set the FD in blocking mode, that will make our life easier */ |
| 1482 | old_fcntl = fcntl(fd, F_GETFL); |
| 1483 | if (old_fcntl < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1484 | ha_warning("Couldn't get the flags for the unix socket\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1485 | goto out; |
| 1486 | } |
| 1487 | cmsgbuf = malloc(CMSG_SPACE(sizeof(int) * MAX_SEND_FD)); |
| 1488 | if (!cmsgbuf) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1489 | ha_warning("Failed to allocate memory to send sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1490 | goto out; |
| 1491 | } |
| 1492 | if (fcntl(fd, F_SETFL, old_fcntl &~ O_NONBLOCK) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1493 | ha_warning("Cannot make the unix socket blocking\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1494 | goto out; |
| 1495 | } |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1496 | setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (void *)&tv, sizeof(tv)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1497 | iov.iov_base = &tot_fd_nb; |
| 1498 | iov.iov_len = sizeof(tot_fd_nb); |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1499 | if (!(strm_li(s)->bind_conf->level & ACCESS_FD_LISTENERS)) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1500 | goto out; |
| 1501 | memset(&msghdr, 0, sizeof(msghdr)); |
| 1502 | /* |
| 1503 | * First, calculates the total number of FD, so that we can let |
| 1504 | * the caller know how much he should expects. |
| 1505 | */ |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1506 | px = proxies_list; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1507 | while (px) { |
| 1508 | struct listener *l; |
| 1509 | |
| 1510 | list_for_each_entry(l, &px->conf.listeners, by_fe) { |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 1511 | /* Only transfer IPv4/IPv6/UNIX sockets */ |
| 1512 | if (l->state >= LI_ZOMBIE && |
| 1513 | (l->proto->sock_family == AF_INET || |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1514 | l->proto->sock_family == AF_INET6 || |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 1515 | l->proto->sock_family == AF_UNIX)) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1516 | tot_fd_nb++; |
| 1517 | } |
| 1518 | px = px->next; |
| 1519 | } |
| 1520 | if (tot_fd_nb == 0) |
| 1521 | goto out; |
| 1522 | |
| 1523 | /* First send the total number of file descriptors, so that the |
| 1524 | * receiving end knows what to expect. |
| 1525 | */ |
| 1526 | msghdr.msg_iov = &iov; |
| 1527 | msghdr.msg_iovlen = 1; |
| 1528 | ret = sendmsg(fd, &msghdr, 0); |
| 1529 | if (ret != sizeof(tot_fd_nb)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1530 | ha_warning("Failed to send the number of sockets to send\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1531 | goto out; |
| 1532 | } |
| 1533 | |
| 1534 | /* Now send the fds */ |
| 1535 | msghdr.msg_control = cmsgbuf; |
| 1536 | msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * MAX_SEND_FD); |
| 1537 | cmsg = CMSG_FIRSTHDR(&msghdr); |
| 1538 | cmsg->cmsg_len = CMSG_LEN(MAX_SEND_FD * sizeof(int)); |
| 1539 | cmsg->cmsg_level = SOL_SOCKET; |
| 1540 | cmsg->cmsg_type = SCM_RIGHTS; |
| 1541 | tmpfd = (int *)CMSG_DATA(cmsg); |
| 1542 | |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1543 | px = proxies_list; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1544 | /* For each socket, e message is sent, containing the following : |
| 1545 | * Size of the namespace name (or 0 if none), as an unsigned char. |
| 1546 | * The namespace name, if any |
| 1547 | * Size of the interface name (or 0 if none), as an unsigned char |
| 1548 | * The interface name, if any |
| 1549 | * Listener options, as an int. |
| 1550 | */ |
| 1551 | /* We will send sockets MAX_SEND_FD per MAX_SEND_FD, allocate a |
| 1552 | * buffer big enough to store the socket informations. |
| 1553 | */ |
Olivier Houchard | f143b80 | 2017-11-04 15:13:01 +0100 | [diff] [blame] | 1554 | tmpbuf = malloc(MAX_SEND_FD * (1 + MAXPATHLEN + 1 + IFNAMSIZ + sizeof(int))); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1555 | if (tmpbuf == NULL) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1556 | ha_warning("Failed to allocate memory to transfer socket informations\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1557 | goto out; |
| 1558 | } |
| 1559 | iov.iov_base = tmpbuf; |
| 1560 | while (px) { |
| 1561 | struct listener *l; |
| 1562 | |
| 1563 | list_for_each_entry(l, &px->conf.listeners, by_fe) { |
| 1564 | int ret; |
| 1565 | /* Only transfer IPv4/IPv6 sockets */ |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 1566 | if (l->state >= LI_ZOMBIE && |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1567 | (l->proto->sock_family == AF_INET || |
| 1568 | l->proto->sock_family == AF_INET6 || |
| 1569 | l->proto->sock_family == AF_UNIX)) { |
| 1570 | memcpy(&tmpfd[i % MAX_SEND_FD], &l->fd, sizeof(l->fd)); |
| 1571 | if (!l->netns) |
| 1572 | tmpbuf[curoff++] = 0; |
| 1573 | #ifdef CONFIG_HAP_NS |
| 1574 | else { |
| 1575 | char *name = l->netns->node.key; |
| 1576 | unsigned char len = l->netns->name_len; |
| 1577 | tmpbuf[curoff++] = len; |
| 1578 | memcpy(tmpbuf + curoff, name, len); |
| 1579 | curoff += len; |
| 1580 | } |
| 1581 | #endif |
| 1582 | if (l->interface) { |
| 1583 | unsigned char len = strlen(l->interface); |
| 1584 | tmpbuf[curoff++] = len; |
| 1585 | memcpy(tmpbuf + curoff, l->interface, len); |
| 1586 | curoff += len; |
| 1587 | } else |
| 1588 | tmpbuf[curoff++] = 0; |
| 1589 | memcpy(tmpbuf + curoff, &l->options, |
| 1590 | sizeof(l->options)); |
| 1591 | curoff += sizeof(l->options); |
| 1592 | |
| 1593 | |
| 1594 | i++; |
| 1595 | } else |
| 1596 | continue; |
| 1597 | if ((!(i % MAX_SEND_FD))) { |
| 1598 | iov.iov_len = curoff; |
| 1599 | if (sendmsg(fd, &msghdr, 0) != curoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1600 | ha_warning("Failed to transfer sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1601 | goto out; |
| 1602 | } |
| 1603 | /* Wait for an ack */ |
| 1604 | do { |
| 1605 | ret = recv(fd, &tot_fd_nb, |
| 1606 | sizeof(tot_fd_nb), 0); |
| 1607 | } while (ret == -1 && errno == EINTR); |
| 1608 | if (ret <= 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1609 | ha_warning("Unexpected error while transferring sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1610 | goto out; |
| 1611 | } |
| 1612 | curoff = 0; |
| 1613 | } |
| 1614 | |
| 1615 | } |
| 1616 | px = px->next; |
| 1617 | } |
| 1618 | if (i % MAX_SEND_FD) { |
| 1619 | iov.iov_len = curoff; |
| 1620 | cmsg->cmsg_len = CMSG_LEN((i % MAX_SEND_FD) * sizeof(int)); |
| 1621 | msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * (i % MAX_SEND_FD)); |
| 1622 | if (sendmsg(fd, &msghdr, 0) != curoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1623 | ha_warning("Failed to transfer sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1624 | goto out; |
| 1625 | } |
| 1626 | } |
| 1627 | |
| 1628 | out: |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1629 | if (fd >= 0 && old_fcntl >= 0 && fcntl(fd, F_SETFL, old_fcntl) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1630 | ha_warning("Cannot make the unix socket non-blocking\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1631 | goto out; |
| 1632 | } |
| 1633 | appctx->st0 = CLI_ST_END; |
| 1634 | free(cmsgbuf); |
| 1635 | free(tmpbuf); |
| 1636 | return 1; |
| 1637 | } |
| 1638 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1639 | static int cli_parse_simple(char **args, char *payload, struct appctx *appctx, void *private) |
| 1640 | { |
| 1641 | if (*args[0] == 'h') |
| 1642 | /* help */ |
| 1643 | cli_gen_usage_msg(appctx); |
| 1644 | else if (*args[0] == 'p') |
| 1645 | /* prompt */ |
| 1646 | appctx->st1 ^= APPCTX_CLI_ST1_PROMPT; |
| 1647 | else if (*args[0] == 'q') |
| 1648 | /* quit */ |
| 1649 | appctx->st0 = CLI_ST_END; |
| 1650 | |
| 1651 | return 1; |
| 1652 | } |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1653 | |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 1654 | void pcli_write_prompt(struct stream *s) |
| 1655 | { |
| 1656 | struct buffer *msg = get_trash_chunk(); |
| 1657 | struct channel *oc = si_oc(&s->si[0]); |
| 1658 | |
| 1659 | if (s->pcli_next_pid == 0) |
| 1660 | chunk_appendf(msg, "master> "); |
| 1661 | else |
| 1662 | chunk_appendf(msg, "%d> ", s->pcli_next_pid); |
| 1663 | co_inject(oc, msg->area, msg->data); |
| 1664 | } |
| 1665 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1666 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1667 | /* The pcli_* functions are used for the CLI proxy in the master */ |
| 1668 | |
William Lallemand | deeaa59 | 2018-10-26 14:47:48 +0200 | [diff] [blame] | 1669 | void pcli_reply_and_close(struct stream *s, const char *msg) |
| 1670 | { |
| 1671 | struct buffer *buf = get_trash_chunk(); |
| 1672 | |
| 1673 | chunk_initstr(buf, msg); |
| 1674 | stream_int_retnclose(&s->si[0], buf); |
| 1675 | } |
| 1676 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1677 | static enum obj_type *pcli_pid_to_server(int proc_pid) |
| 1678 | { |
| 1679 | struct mworker_proc *child; |
| 1680 | |
| 1681 | list_for_each_entry(child, &proc_list, list) { |
| 1682 | if (child->pid == proc_pid){ |
| 1683 | return &child->srv->obj_type; |
| 1684 | } |
| 1685 | } |
| 1686 | return NULL; |
| 1687 | } |
| 1688 | |
| 1689 | /* Take a CLI prefix in argument (eg: @!1234 @master @1) |
| 1690 | * Return: |
| 1691 | * 0: master |
| 1692 | * > 0: pid of a worker |
| 1693 | * < 0: didn't find a worker |
| 1694 | */ |
| 1695 | static int pcli_prefix_to_pid(const char *prefix) |
| 1696 | { |
| 1697 | int proc_pid; |
| 1698 | struct mworker_proc *child; |
| 1699 | char *errtol = NULL; |
| 1700 | |
| 1701 | if (*prefix != '@') /* not a prefix, should not happen */ |
| 1702 | return -1; |
| 1703 | |
| 1704 | prefix++; |
| 1705 | if (!*prefix) /* sent @ alone, return the master */ |
| 1706 | return 0; |
| 1707 | |
| 1708 | if (strcmp("master", prefix) == 0) { |
| 1709 | return 0; |
| 1710 | } else if (*prefix == '!') { |
| 1711 | prefix++; |
| 1712 | if (!*prefix) |
| 1713 | return -1; |
| 1714 | |
| 1715 | proc_pid = strtol(prefix, &errtol, 10); |
| 1716 | if (*errtol != '\0') |
| 1717 | return -1; |
| 1718 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1719 | if (child->type != 'w') |
| 1720 | continue; |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1721 | if (child->pid == proc_pid){ |
| 1722 | return child->pid; |
| 1723 | } |
| 1724 | } |
| 1725 | } else { |
| 1726 | struct mworker_proc *chosen = NULL; |
| 1727 | /* this is a relative pid */ |
| 1728 | |
| 1729 | proc_pid = strtol(prefix, &errtol, 10); |
| 1730 | if (*errtol != '\0') |
| 1731 | return -1; |
| 1732 | |
| 1733 | if (proc_pid == 0) /* return the master */ |
| 1734 | return 0; |
| 1735 | |
| 1736 | /* chose the right process, the current one is the one with the |
| 1737 | least number of reloads */ |
| 1738 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1739 | if (child->type != 'w') |
| 1740 | continue; |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1741 | if (child->relative_pid == proc_pid){ |
| 1742 | if (child->reloads == 0) |
| 1743 | return child->pid; |
| 1744 | else if (chosen == NULL || child->reloads < chosen->reloads) |
| 1745 | chosen = child; |
| 1746 | } |
| 1747 | } |
| 1748 | if (chosen) |
| 1749 | return chosen->pid; |
| 1750 | } |
| 1751 | return -1; |
| 1752 | } |
| 1753 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1754 | /* Parse the CLI request: |
| 1755 | * |
| 1756 | * - it can rewrite the buffer by trimming the prefix |
| 1757 | * - fill dst with the destination server if there is one |
| 1758 | * |
| 1759 | * Return: |
| 1760 | * - the amount of data to forward or |
| 1761 | * - -1 if there is no end to the command or |
| 1762 | * - 0 everything has been trimmed (only a prefix) |
| 1763 | */ |
| 1764 | #define PCLI_REQ_INIT 0 |
| 1765 | #define PCLI_REQ_PFX 1 |
| 1766 | #define PCLI_REQ_TRIM 2 |
| 1767 | #define PCLI_REQ_CMD 3 |
| 1768 | |
| 1769 | int pcli_parse_request(struct channel *req, int *target_pid) |
| 1770 | { |
| 1771 | char *input = (char *)ci_head(req); |
| 1772 | const char *end; |
| 1773 | char *ptr, *trim = NULL, *pfx_b = NULL, *cmd_b = NULL; |
| 1774 | struct buffer *buf = &req->buf; |
| 1775 | int ret = 0; |
| 1776 | int state = PCLI_REQ_INIT; |
| 1777 | |
| 1778 | ptr = input; |
| 1779 | end = b_stop(buf); |
| 1780 | |
| 1781 | /* The while loop condition is checking the end of the command. |
| 1782 | It is needed to iterate for each ptr++ done in the parser */ |
| 1783 | while (ptr < end && *ptr != '\n' && *ptr != '\r' && *ptr != ';') { |
| 1784 | switch (state) { |
| 1785 | /* The init state only trims the useless chars */ |
| 1786 | case PCLI_REQ_INIT: |
| 1787 | |
| 1788 | /* skip every spaces at the start of the command */ |
| 1789 | if (*ptr == ' ') { |
| 1790 | ptr++; |
| 1791 | continue; |
| 1792 | } |
| 1793 | pfx_b = ptr; /* this is the start of the command or of the @ prefix */ |
| 1794 | state = PCLI_REQ_PFX; |
| 1795 | |
| 1796 | /* the atprefix state looks for a @ prefix. If it finds |
| 1797 | it, it will check to which server send the request. |
| 1798 | It also ajust the trim pointer */ |
| 1799 | case PCLI_REQ_PFX: |
| 1800 | |
| 1801 | if (*pfx_b != '@') { |
| 1802 | /* there is no prefix */ |
| 1803 | pfx_b = NULL; |
William Lallemand | 744de5b | 2018-10-29 17:14:00 +0100 | [diff] [blame] | 1804 | cmd_b = input; /* if no prefix we don't trim anything */ |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1805 | state = PCLI_REQ_CMD; |
| 1806 | continue; |
| 1807 | } |
| 1808 | |
| 1809 | if (*ptr != ' ') { |
| 1810 | ptr++; |
| 1811 | continue; |
| 1812 | } |
| 1813 | *ptr = '\0'; /* this the end of the prefix */ |
| 1814 | ptr++; |
| 1815 | trim = ptr; |
| 1816 | state = PCLI_REQ_TRIM; |
| 1817 | break; |
| 1818 | |
| 1819 | /* we really need to trim there because that's the only |
| 1820 | way to know if we are going to send a command or if |
| 1821 | there is only a prefix */ |
| 1822 | case PCLI_REQ_TRIM: |
| 1823 | if (*ptr == ' ') { |
| 1824 | ptr++; |
| 1825 | continue; |
| 1826 | } |
| 1827 | cmd_b = trim = ptr; |
| 1828 | state = PCLI_REQ_CMD; |
| 1829 | |
| 1830 | /* just look for the end of the command */ |
| 1831 | case PCLI_REQ_CMD: |
| 1832 | ptr++; |
| 1833 | continue; |
| 1834 | } |
| 1835 | } |
| 1836 | |
| 1837 | /* we didn't find a command separator, not enough data */ |
| 1838 | if (ptr >= end) |
| 1839 | return -1; |
| 1840 | |
| 1841 | if (!pfx_b && !cmd_b) { |
| 1842 | /* probably just a \n or a ; */ |
| 1843 | return 1; |
| 1844 | } else if (pfx_b && !cmd_b) { |
| 1845 | /* it's only a prefix, we don't want to forward it */ |
| 1846 | *ptr = '\0'; |
| 1847 | trim = ptr + 1; /* we want to trim the whole command */ |
| 1848 | ret = 0; |
| 1849 | } else if (cmd_b) { |
| 1850 | /* command without a prefix */ |
| 1851 | *ptr = '\n'; |
| 1852 | ret = ptr - cmd_b + 1; |
| 1853 | } |
| 1854 | |
| 1855 | if (pfx_b) |
| 1856 | *target_pid = pcli_prefix_to_pid(pfx_b); |
| 1857 | |
| 1858 | /* trim the useless chars */ |
| 1859 | if (trim) |
| 1860 | b_del(&req->buf, trim - input); |
| 1861 | |
| 1862 | return ret; |
| 1863 | } |
| 1864 | |
| 1865 | int pcli_wait_for_request(struct stream *s, struct channel *req, int an_bit) |
| 1866 | { |
| 1867 | int target_pid; |
| 1868 | int to_forward; |
| 1869 | |
| 1870 | target_pid = s->pcli_next_pid; |
| 1871 | |
| 1872 | read_again: |
| 1873 | /* if the channel is closed for read, we won't receive any more data |
| 1874 | from the client, but we don't want to forward this close to the |
| 1875 | server */ |
| 1876 | channel_dont_close(req); |
| 1877 | |
| 1878 | /* We don't know yet to which server we will connect */ |
| 1879 | channel_dont_connect(req); |
| 1880 | |
| 1881 | |
| 1882 | /* we are not waiting for a response, there is no more request and we |
| 1883 | * receive a close from the client, we can leave */ |
| 1884 | if (!(ci_data(req)) && req->flags & CF_SHUTR) { |
| 1885 | channel_shutw_now(&s->res); |
| 1886 | s->req.analysers &= ~AN_REQ_WAIT_CLI; |
| 1887 | return 1; |
| 1888 | } |
| 1889 | |
| 1890 | req->flags |= CF_READ_DONTWAIT; |
| 1891 | |
| 1892 | /* need more data */ |
| 1893 | if (!ci_data(req)) |
| 1894 | return 0; |
| 1895 | |
| 1896 | /* If there is data available for analysis, log the end of the idle time. */ |
| 1897 | if (c_data(req) && s->logs.t_idle == -1) |
| 1898 | s->logs.t_idle = tv_ms_elapsed(&s->logs.tv_accept, &now) - s->logs.t_handshake; |
| 1899 | |
| 1900 | to_forward = pcli_parse_request(req, &target_pid); |
| 1901 | if (to_forward > 0) { |
| 1902 | /* enough data */ |
| 1903 | |
| 1904 | /* we didn't find the process, send an error and close */ |
| 1905 | if (target_pid < 0) { |
| 1906 | pcli_reply_and_close(s, "Can't find the target CLI!\n"); |
| 1907 | return 0; |
| 1908 | } |
| 1909 | |
| 1910 | /* forward only 1 command */ |
| 1911 | channel_forward(req, to_forward); |
| 1912 | /* we send only 1 command per request, and we write close after it */ |
| 1913 | channel_shutw_now(req); |
| 1914 | |
| 1915 | /* remove the XFER_DATA analysers, which forwards all |
| 1916 | * the data, we don't want to forward the next requests |
| 1917 | * We need to add CF_FLT_ANALYZE to abort the forward too. |
| 1918 | */ |
| 1919 | req->analysers &= ~(AN_REQ_FLT_XFER_DATA|AN_REQ_WAIT_CLI); |
| 1920 | req->analysers |= AN_REQ_FLT_END|CF_FLT_ANALYZE; |
| 1921 | s->res.analysers |= AN_RES_WAIT_CLI; |
| 1922 | |
| 1923 | /* we can connect now */ |
| 1924 | s->target = pcli_pid_to_server(target_pid); |
| 1925 | if (!s->target) { |
| 1926 | s->target = &cli_applet.obj_type; |
| 1927 | } |
| 1928 | |
| 1929 | s->flags |= (SF_DIRECT | SF_ASSIGNED); |
| 1930 | channel_auto_connect(req); |
| 1931 | |
| 1932 | } else if (to_forward == 0) { |
| 1933 | /* we only received a prefix without command, which |
| 1934 | mean that we want to store it for every other |
| 1935 | command for this session */ |
| 1936 | if (target_pid > -1) { |
| 1937 | s->pcli_next_pid = target_pid; |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 1938 | pcli_write_prompt(s); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1939 | } else { |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1940 | s->pcli_next_pid = 0; |
William Lallemand | deeaa59 | 2018-10-26 14:47:48 +0200 | [diff] [blame] | 1941 | pcli_reply_and_close(s, "Can't find the target CLI!\n"); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1942 | } |
| 1943 | |
| 1944 | /* we trimmed things but we might have other commands to consume */ |
| 1945 | goto read_again; |
| 1946 | } else if (to_forward == -1 && channel_full(req, global.tune.maxrewrite)) { |
| 1947 | /* buffer is full and we didn't catch the end of a command */ |
| 1948 | goto send_help; |
| 1949 | } |
| 1950 | |
| 1951 | return 0; |
| 1952 | |
| 1953 | send_help: |
| 1954 | b_reset(&req->buf); |
| 1955 | b_putblk(&req->buf, "help\n", 5); |
| 1956 | goto read_again; |
| 1957 | } |
| 1958 | |
| 1959 | int pcli_wait_for_response(struct stream *s, struct channel *rep, int an_bit) |
| 1960 | { |
| 1961 | struct proxy *fe = strm_fe(s); |
| 1962 | struct proxy *be = s->be; |
| 1963 | |
William Lallemand | 6b7cd0a | 2018-11-06 17:37:11 +0100 | [diff] [blame] | 1964 | if (rep->flags & CF_READ_ERROR) { |
| 1965 | pcli_reply_and_close(s, "Can't connect to the target CLI!\n"); |
| 1966 | s->res.analysers &= ~AN_RES_WAIT_CLI; |
| 1967 | return 0; |
| 1968 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1969 | rep->flags |= CF_READ_DONTWAIT; /* try to get back here ASAP */ |
| 1970 | rep->flags |= CF_NEVER_WAIT; |
| 1971 | |
| 1972 | /* don't forward the close */ |
| 1973 | channel_dont_close(&s->res); |
| 1974 | channel_dont_close(&s->req); |
| 1975 | |
| 1976 | /* forward the data */ |
| 1977 | if (ci_data(rep)) { |
| 1978 | c_adv(rep, ci_data(rep)); |
| 1979 | return 0; |
| 1980 | } |
| 1981 | |
| 1982 | if ((rep->flags & (CF_SHUTR|CF_READ_NULL))) { |
| 1983 | /* stream cleanup */ |
| 1984 | |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 1985 | pcli_write_prompt(s); |
| 1986 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1987 | s->si[1].flags |= SI_FL_NOLINGER | SI_FL_NOHALF; |
| 1988 | si_shutr(&s->si[1]); |
| 1989 | si_shutw(&s->si[1]); |
| 1990 | |
| 1991 | /* |
| 1992 | * starting from there this the same code as |
| 1993 | * http_end_txn_clean_session(). |
| 1994 | * |
| 1995 | * It allows to do frontend keepalive while reconnecting to a |
| 1996 | * new server for each request. |
| 1997 | */ |
| 1998 | |
| 1999 | if (s->flags & SF_BE_ASSIGNED) { |
| 2000 | HA_ATOMIC_SUB(&be->beconn, 1); |
| 2001 | if (unlikely(s->srv_conn)) |
| 2002 | sess_change_server(s, NULL); |
| 2003 | } |
| 2004 | |
| 2005 | s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now); |
| 2006 | stream_process_counters(s); |
| 2007 | |
| 2008 | /* don't count other requests' data */ |
| 2009 | s->logs.bytes_in -= ci_data(&s->req); |
| 2010 | s->logs.bytes_out -= ci_data(&s->res); |
| 2011 | |
| 2012 | /* we may need to know the position in the queue */ |
| 2013 | pendconn_free(s); |
| 2014 | |
| 2015 | /* let's do a final log if we need it */ |
| 2016 | if (!LIST_ISEMPTY(&fe->logformat) && s->logs.logwait && |
| 2017 | !(s->flags & SF_MONITOR) && |
| 2018 | (!(fe->options & PR_O_NULLNOLOG) || s->req.total)) { |
| 2019 | s->do_log(s); |
| 2020 | } |
| 2021 | |
| 2022 | /* stop tracking content-based counters */ |
| 2023 | stream_stop_content_counters(s); |
| 2024 | stream_update_time_stats(s); |
| 2025 | |
| 2026 | s->logs.accept_date = date; /* user-visible date for logging */ |
| 2027 | s->logs.tv_accept = now; /* corrected date for internal use */ |
| 2028 | s->logs.t_handshake = 0; /* There are no handshake in keep alive connection. */ |
| 2029 | s->logs.t_idle = -1; |
| 2030 | tv_zero(&s->logs.tv_request); |
| 2031 | s->logs.t_queue = -1; |
| 2032 | s->logs.t_connect = -1; |
| 2033 | s->logs.t_data = -1; |
| 2034 | s->logs.t_close = 0; |
| 2035 | s->logs.prx_queue_pos = 0; /* we get the number of pending conns before us */ |
| 2036 | s->logs.srv_queue_pos = 0; /* we will get this number soon */ |
| 2037 | |
| 2038 | s->logs.bytes_in = s->req.total = ci_data(&s->req); |
| 2039 | s->logs.bytes_out = s->res.total = ci_data(&s->res); |
| 2040 | |
| 2041 | stream_del_srv_conn(s); |
| 2042 | if (objt_server(s->target)) { |
| 2043 | if (s->flags & SF_CURR_SESS) { |
| 2044 | s->flags &= ~SF_CURR_SESS; |
| 2045 | HA_ATOMIC_SUB(&objt_server(s->target)->cur_sess, 1); |
| 2046 | } |
| 2047 | if (may_dequeue_tasks(objt_server(s->target), be)) |
| 2048 | process_srv_queue(objt_server(s->target)); |
| 2049 | } |
| 2050 | |
| 2051 | s->target = NULL; |
| 2052 | |
| 2053 | /* only release our endpoint if we don't intend to reuse the |
| 2054 | * connection. |
| 2055 | */ |
| 2056 | if (!si_conn_ready(&s->si[1])) { |
| 2057 | si_release_endpoint(&s->si[1]); |
| 2058 | s->srv_conn = NULL; |
| 2059 | } |
| 2060 | |
| 2061 | s->si[1].state = s->si[1].prev_state = SI_ST_INI; |
| 2062 | s->si[1].err_type = SI_ET_NONE; |
| 2063 | s->si[1].conn_retries = 0; /* used for logging too */ |
| 2064 | s->si[1].exp = TICK_ETERNITY; |
| 2065 | s->si[1].flags &= SI_FL_ISBACK | SI_FL_DONT_WAKE; /* we're in the context of process_stream */ |
| 2066 | 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); |
| 2067 | 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); |
| 2068 | s->flags &= ~(SF_DIRECT|SF_ASSIGNED|SF_ADDR_SET|SF_BE_ASSIGNED|SF_FORCE_PRST|SF_IGNORE_PRST); |
| 2069 | s->flags &= ~(SF_CURR_SESS|SF_REDIRECTABLE|SF_SRV_REUSED); |
| 2070 | s->flags &= ~(SF_ERR_MASK|SF_FINST_MASK|SF_REDISP); |
| 2071 | /* reinitialise the current rule list pointer to NULL. We are sure that |
| 2072 | * any rulelist match the NULL pointer. |
| 2073 | */ |
| 2074 | s->current_rule_list = NULL; |
| 2075 | |
| 2076 | s->be = strm_fe(s); |
| 2077 | s->logs.logwait = strm_fe(s)->to_log; |
| 2078 | s->logs.level = 0; |
| 2079 | stream_del_srv_conn(s); |
| 2080 | s->target = NULL; |
| 2081 | /* re-init store persistence */ |
| 2082 | s->store_count = 0; |
| 2083 | s->uniq_id = global.req_count++; |
| 2084 | |
| 2085 | s->req.flags |= CF_READ_DONTWAIT; /* one read is usually enough */ |
| 2086 | |
| 2087 | s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */ |
| 2088 | |
| 2089 | s->req.analysers |= AN_REQ_WAIT_CLI; |
| 2090 | s->res.analysers &= ~AN_RES_WAIT_CLI; |
| 2091 | |
| 2092 | /* We must trim any excess data from the response buffer, because we |
| 2093 | * may have blocked an invalid response from a server that we don't |
| 2094 | * want to accidentely forward once we disable the analysers, nor do |
| 2095 | * we want those data to come along with next response. A typical |
| 2096 | * example of such data would be from a buggy server responding to |
| 2097 | * a HEAD with some data, or sending more than the advertised |
| 2098 | * content-length. |
| 2099 | */ |
| 2100 | if (unlikely(ci_data(&s->res))) |
| 2101 | b_set_data(&s->res.buf, co_data(&s->res)); |
| 2102 | |
| 2103 | /* Now we can realign the response buffer */ |
| 2104 | c_realign_if_empty(&s->res); |
| 2105 | |
| 2106 | s->req.rto = strm_fe(s)->timeout.client; |
| 2107 | s->req.wto = TICK_ETERNITY; |
| 2108 | |
| 2109 | s->res.rto = TICK_ETERNITY; |
| 2110 | s->res.wto = strm_fe(s)->timeout.client; |
| 2111 | |
| 2112 | s->req.rex = TICK_ETERNITY; |
| 2113 | s->req.wex = TICK_ETERNITY; |
| 2114 | s->req.analyse_exp = TICK_ETERNITY; |
| 2115 | s->res.rex = TICK_ETERNITY; |
| 2116 | s->res.wex = TICK_ETERNITY; |
| 2117 | s->res.analyse_exp = TICK_ETERNITY; |
| 2118 | s->si[1].hcto = TICK_ETERNITY; |
| 2119 | |
| 2120 | /* we're removing the analysers, we MUST re-enable events detection. |
| 2121 | * We don't enable close on the response channel since it's either |
| 2122 | * already closed, or in keep-alive with an idle connection handler. |
| 2123 | */ |
| 2124 | channel_auto_read(&s->req); |
| 2125 | channel_auto_close(&s->req); |
| 2126 | channel_auto_read(&s->res); |
| 2127 | |
| 2128 | |
| 2129 | return 1; |
| 2130 | } |
| 2131 | return 0; |
| 2132 | } |
| 2133 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2134 | /* |
| 2135 | * The mworker functions are used to initialize the CLI in the master process |
| 2136 | */ |
| 2137 | |
William Lallemand | 309dc9a | 2018-10-26 14:47:45 +0200 | [diff] [blame] | 2138 | /* |
| 2139 | * Stop the mworker proxy |
| 2140 | */ |
| 2141 | void mworker_cli_proxy_stop() |
| 2142 | { |
William Lallemand | 550db6d | 2018-11-06 17:37:12 +0100 | [diff] [blame] | 2143 | if (mworker_proxy) |
| 2144 | stop_proxy(mworker_proxy); |
William Lallemand | 309dc9a | 2018-10-26 14:47:45 +0200 | [diff] [blame] | 2145 | } |
| 2146 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2147 | /* |
| 2148 | * Create the mworker CLI proxy |
| 2149 | */ |
| 2150 | int mworker_cli_proxy_create() |
| 2151 | { |
| 2152 | struct mworker_proc *child; |
| 2153 | |
| 2154 | mworker_proxy = calloc(1, sizeof(*mworker_proxy)); |
| 2155 | if (!mworker_proxy) |
| 2156 | return -1; |
| 2157 | |
| 2158 | init_new_proxy(mworker_proxy); |
| 2159 | mworker_proxy->next = proxies_list; |
| 2160 | proxies_list = mworker_proxy; |
| 2161 | mworker_proxy->id = strdup("MASTER"); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2162 | mworker_proxy->mode = PR_MODE_CLI; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2163 | mworker_proxy->state = PR_STNEW; |
| 2164 | mworker_proxy->last_change = now.tv_sec; |
| 2165 | mworker_proxy->cap = PR_CAP_LISTEN; /* this is a listen section */ |
| 2166 | mworker_proxy->maxconn = 10; /* default to 10 concurrent connections */ |
| 2167 | mworker_proxy->timeout.client = 0; /* no timeout */ |
| 2168 | mworker_proxy->conf.file = strdup("MASTER"); |
| 2169 | mworker_proxy->conf.line = 0; |
| 2170 | mworker_proxy->accept = frontend_accept; |
| 2171 | mworker_proxy-> lbprm.algo = BE_LB_ALGO_NONE; |
| 2172 | |
| 2173 | /* Does not init the default target the CLI applet, but must be done in |
| 2174 | * the request parsing code */ |
| 2175 | mworker_proxy->default_target = NULL; |
| 2176 | |
| 2177 | /* the check_config_validity() will get an ID for the proxy */ |
| 2178 | mworker_proxy->uuid = -1; |
| 2179 | |
| 2180 | proxy_store_name(mworker_proxy); |
| 2181 | |
| 2182 | /* create all servers using the mworker_proc list */ |
| 2183 | list_for_each_entry(child, &proc_list, list) { |
| 2184 | char *msg = NULL; |
| 2185 | struct server *newsrv = NULL; |
| 2186 | struct sockaddr_storage *sk; |
| 2187 | int port1, port2, port; |
| 2188 | struct protocol *proto; |
| 2189 | char *errmsg; |
| 2190 | |
| 2191 | newsrv = new_server(mworker_proxy); |
| 2192 | if (!newsrv) |
| 2193 | return -1; |
| 2194 | |
| 2195 | /* we don't know the new pid yet */ |
| 2196 | if (child->pid == -1) |
| 2197 | memprintf(&msg, "cur-%d", child->relative_pid); |
| 2198 | else |
| 2199 | memprintf(&msg, "old-%d", child->pid); |
| 2200 | |
| 2201 | newsrv->next = mworker_proxy->srv; |
| 2202 | mworker_proxy->srv = newsrv; |
| 2203 | newsrv->conf.file = strdup(msg); |
| 2204 | newsrv->id = strdup(msg); |
| 2205 | newsrv->conf.line = 0; |
| 2206 | |
| 2207 | memprintf(&msg, "sockpair@%d", child->ipc_fd[0]); |
| 2208 | if ((sk = str2sa_range(msg, &port, &port1, &port2, &errmsg, NULL, NULL, 0)) == 0) |
| 2209 | return -1; |
| 2210 | |
| 2211 | proto = protocol_by_family(sk->ss_family); |
| 2212 | if (!proto || !proto->connect) { |
| 2213 | return -1; |
| 2214 | } |
| 2215 | |
| 2216 | /* no port specified */ |
| 2217 | newsrv->flags |= SRV_F_MAPPORTS; |
| 2218 | newsrv->addr = *sk; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2219 | /* don't let the server participate to load balancing */ |
| 2220 | newsrv->iweight = 0; |
| 2221 | newsrv->uweight = 0; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2222 | srv_lb_commit_status(newsrv); |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 2223 | |
| 2224 | child->srv = newsrv; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2225 | } |
| 2226 | return 0; |
| 2227 | } |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2228 | |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2229 | /* |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2230 | * Create a new listener for the master CLI proxy |
| 2231 | */ |
| 2232 | int mworker_cli_proxy_new_listener(char *line) |
| 2233 | { |
| 2234 | struct bind_conf *bind_conf; |
| 2235 | struct listener *l; |
| 2236 | char *err = NULL; |
| 2237 | char *args[MAX_LINE_ARGS + 1]; |
| 2238 | int arg; |
| 2239 | int cur_arg; |
| 2240 | |
| 2241 | arg = 0; |
| 2242 | args[0] = line; |
| 2243 | |
| 2244 | /* args is a bind configuration with spaces replaced by commas */ |
| 2245 | while (*line && arg < MAX_LINE_ARGS) { |
| 2246 | |
| 2247 | if (*line == ',') { |
| 2248 | *line++ = '\0'; |
| 2249 | while (*line == ',') |
| 2250 | line++; |
| 2251 | args[++arg] = line; |
| 2252 | } |
| 2253 | line++; |
| 2254 | } |
| 2255 | |
| 2256 | args[++arg] = "\0"; |
| 2257 | |
| 2258 | bind_conf = bind_conf_alloc(mworker_proxy, "master-socket", 0, "", xprt_get(XPRT_RAW)); |
| 2259 | |
| 2260 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 2261 | bind_conf->level |= ACCESS_LVL_ADMIN; |
| 2262 | |
| 2263 | if (!str2listener(args[0], mworker_proxy, bind_conf, "master-socket", 0, &err)) { |
| 2264 | ha_alert("Cannot create the listener of the master CLI\n"); |
| 2265 | return -1; |
| 2266 | } |
| 2267 | |
| 2268 | cur_arg = 1; |
| 2269 | |
| 2270 | while (*args[cur_arg]) { |
| 2271 | static int bind_dumped; |
| 2272 | struct bind_kw *kw; |
| 2273 | |
| 2274 | kw = bind_find_kw(args[cur_arg]); |
| 2275 | if (kw) { |
| 2276 | if (!kw->parse) { |
| 2277 | memprintf(&err, "'%s %s' : '%s' option is not implemented in this version (check build options).", |
| 2278 | args[0], args[1], args[cur_arg]); |
| 2279 | goto err; |
| 2280 | } |
| 2281 | |
| 2282 | if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, &err) != 0) { |
| 2283 | if (err) |
| 2284 | memprintf(&err, "'%s %s' : '%s'", args[0], args[1], err); |
| 2285 | else |
| 2286 | memprintf(&err, "'%s %s' : error encountered while processing '%s'", |
| 2287 | args[0], args[1], args[cur_arg]); |
| 2288 | goto err; |
| 2289 | } |
| 2290 | |
| 2291 | cur_arg += 1 + kw->skip; |
| 2292 | continue; |
| 2293 | } |
| 2294 | |
| 2295 | if (!bind_dumped) { |
| 2296 | bind_dump_kws(&err); |
| 2297 | indent_msg(&err, 4); |
| 2298 | bind_dumped = 1; |
| 2299 | } |
| 2300 | |
| 2301 | memprintf(&err, "'%s %s' : unknown keyword '%s'.%s%s", |
| 2302 | args[0], args[1], args[cur_arg], |
| 2303 | err ? " Registered keywords :" : "", err ? err : ""); |
| 2304 | goto err; |
| 2305 | } |
| 2306 | |
| 2307 | |
| 2308 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 2309 | l->maxconn = 10; |
| 2310 | l->backlog = 10; |
| 2311 | l->accept = session_accept_fd; |
| 2312 | l->default_target = mworker_proxy->default_target; |
| 2313 | /* don't make the peers subject to global limits and don't close it in the master */ |
| 2314 | l->options |= (LI_O_UNLIMITED|LI_O_MWORKER); /* we are keeping this FD in the master */ |
| 2315 | l->nice = -64; /* we want to boost priority for local stats */ |
| 2316 | global.maxsock += l->maxconn; |
| 2317 | } |
| 2318 | |
| 2319 | return 0; |
| 2320 | |
| 2321 | err: |
| 2322 | ha_alert("%s\n", err); |
| 2323 | return -1; |
| 2324 | |
| 2325 | } |
| 2326 | |
| 2327 | /* |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2328 | * Create a new CLI socket using a socketpair for a worker process |
| 2329 | * <mworker_proc> is the process structure, and <proc> is the process number |
| 2330 | */ |
| 2331 | int mworker_cli_sockpair_new(struct mworker_proc *mworker_proc, int proc) |
| 2332 | { |
| 2333 | struct bind_conf *bind_conf; |
| 2334 | struct listener *l; |
| 2335 | char *path = NULL; |
| 2336 | char *err = NULL; |
| 2337 | |
| 2338 | /* master pipe to ensure the master is still alive */ |
| 2339 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, mworker_proc->ipc_fd) < 0) { |
| 2340 | ha_alert("Cannot create worker socketpair.\n"); |
| 2341 | return -1; |
| 2342 | } |
| 2343 | |
| 2344 | /* XXX: we might want to use a separate frontend at some point */ |
| 2345 | if (!global.stats_fe) { |
| 2346 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", "master-socket", 0)) == NULL) { |
| 2347 | ha_alert("out of memory trying to allocate the stats frontend"); |
| 2348 | return -1; |
| 2349 | } |
| 2350 | } |
| 2351 | |
| 2352 | bind_conf = bind_conf_alloc(global.stats_fe, "master-socket", 0, "", xprt_get(XPRT_RAW)); |
| 2353 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 2354 | bind_conf->level |= ACCESS_LVL_ADMIN; /* TODO: need to lower the rights with a CLI keyword*/ |
| 2355 | |
| 2356 | bind_conf->bind_proc = 1UL << proc; |
| 2357 | global.stats_fe->bind_proc = 0; /* XXX: we should be careful with that, it can be removed by configuration */ |
| 2358 | |
| 2359 | if (!memprintf(&path, "sockpair@%d", mworker_proc->ipc_fd[1])) { |
| 2360 | ha_alert("Cannot allocate listener.\n"); |
| 2361 | return -1; |
| 2362 | } |
| 2363 | |
| 2364 | if (!str2listener(path, global.stats_fe, bind_conf, "master-socket", 0, &err)) { |
| 2365 | ha_alert("Cannot create a CLI sockpair listener for process #%d\n", proc); |
| 2366 | return -1; |
| 2367 | } |
| 2368 | |
| 2369 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 2370 | l->maxconn = global.stats_fe->maxconn; |
| 2371 | l->backlog = global.stats_fe->backlog; |
| 2372 | l->accept = session_accept_fd; |
| 2373 | l->default_target = global.stats_fe->default_target; |
William Lallemand | a337229 | 2018-11-16 16:57:22 +0100 | [diff] [blame] | 2374 | l->options |= (LI_O_UNLIMITED | LI_O_NOSTOP); |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2375 | /* it's a sockpair but we don't want to keep the fd in the master */ |
| 2376 | l->options &= ~LI_O_INHERITED; |
| 2377 | l->nice = -64; /* we want to boost priority for local stats */ |
| 2378 | global.maxsock += l->maxconn; |
| 2379 | } |
| 2380 | |
| 2381 | return 0; |
| 2382 | } |
| 2383 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2384 | static struct applet cli_applet = { |
| 2385 | .obj_type = OBJ_TYPE_APPLET, |
| 2386 | .name = "<CLI>", /* used for logging */ |
| 2387 | .fct = cli_io_handler, |
| 2388 | .release = cli_release_handler, |
| 2389 | }; |
| 2390 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 2391 | /* register cli keywords */ |
| 2392 | static struct cli_kw_list cli_kws = {{ },{ |
William Lallemand | 4e8450b | 2018-10-26 14:47:43 +0200 | [diff] [blame] | 2393 | { { "@<relative pid>", NULL }, "@<relative pid> : send a command to the <relative pid> process", NULL, cli_io_handler_show_proc, NULL, NULL, ACCESS_MASTER_ONLY}, |
| 2394 | { { "@!<pid>", NULL }, "@!<pid> : send a command to the <pid> process", cli_parse_default, NULL, NULL, NULL, ACCESS_MASTER_ONLY}, |
| 2395 | { { "@master", NULL }, "@master : send a command to the master process", cli_parse_default, NULL, NULL, NULL, ACCESS_MASTER_ONLY}, |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2396 | { { "help", NULL }, NULL, cli_parse_simple, NULL }, |
| 2397 | { { "prompt", NULL }, NULL, cli_parse_simple, NULL }, |
| 2398 | { { "quit", NULL }, NULL, cli_parse_simple, NULL }, |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 2399 | { { "set", "maxconn", "global", NULL }, "set maxconn global : change the per-process maxconn setting", cli_parse_set_maxconn_global, NULL }, |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 2400 | { { "set", "rate-limit", NULL }, "set rate-limit : change a rate limiting value", cli_parse_set_ratelimit, NULL }, |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 2401 | { { "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 Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 2402 | { { "set", "timeout", NULL }, "set timeout : change a timeout setting", cli_parse_set_timeout, NULL, NULL }, |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 2403 | { { "show", "env", NULL }, "show env [var] : dump environment variables known to the process", cli_parse_show_env, cli_io_handler_show_env, NULL }, |
William Lallemand | 35851fb | 2018-10-26 14:47:42 +0200 | [diff] [blame] | 2404 | { { "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 }, |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 2405 | { { "show", "fd", NULL }, "show fd [num] : dump list of file descriptors in use", cli_parse_show_fd, cli_io_handler_show_fd, NULL }, |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 2406 | { { "show", "activity", NULL }, "show activity : show per-thread activity stats (for support/developers)", cli_parse_default, cli_io_handler_show_activity, NULL }, |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 2407 | { { "show", "proc", NULL }, "show proc : show processes status", cli_parse_default, cli_io_handler_show_proc, NULL, NULL, ACCESS_MASTER_ONLY}, |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2408 | { { "_getsocks", NULL }, NULL, _getsocks, NULL }, |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 2409 | {{},} |
| 2410 | }}; |
| 2411 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2412 | static struct cfg_kw_list cfg_kws = {ILH, { |
| 2413 | { CFG_GLOBAL, "stats", stats_parse_global }, |
| 2414 | { 0, NULL, NULL }, |
| 2415 | }}; |
| 2416 | |
| 2417 | static struct bind_kw_list bind_kws = { "STAT", { }, { |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 2418 | { "level", bind_parse_level, 1 }, /* set the unix socket admin level */ |
| 2419 | { "expose-fd", bind_parse_expose_fd, 1 }, /* set the unix socket expose fd rights */ |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 2420 | { "severity-output", bind_parse_severity_output, 1 }, /* set the severity output format */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2421 | { NULL, NULL, 0 }, |
| 2422 | }}; |
| 2423 | |
| 2424 | __attribute__((constructor)) |
| 2425 | static void __dumpstats_module_init(void) |
| 2426 | { |
| 2427 | cfg_register_keywords(&cfg_kws); |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 2428 | cli_register_kw(&cli_kws); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2429 | bind_register_keywords(&bind_kws); |
| 2430 | } |
| 2431 | |
| 2432 | /* |
| 2433 | * Local variables: |
| 2434 | * c-indent-level: 8 |
| 2435 | * c-basic-offset: 8 |
| 2436 | * End: |
| 2437 | */ |