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> |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 33 | #include <common/initcall.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 34 | #include <common/memory.h> |
| 35 | #include <common/mini-clist.h> |
| 36 | #include <common/standard.h> |
| 37 | #include <common/ticks.h> |
| 38 | #include <common/time.h> |
| 39 | #include <common/uri_auth.h> |
| 40 | #include <common/version.h> |
| 41 | #include <common/base64.h> |
| 42 | |
| 43 | #include <types/applet.h> |
| 44 | #include <types/global.h> |
| 45 | #include <types/dns.h> |
William 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 | |
Willy Tarreau | 609aad9 | 2018-11-22 08:31:09 +0100 | [diff] [blame] | 48 | #include <proto/activity.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 49 | #include <proto/backend.h> |
| 50 | #include <proto/channel.h> |
| 51 | #include <proto/checks.h> |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 52 | #include <proto/cli.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 53 | #include <proto/compression.h> |
William Lallemand | 9ed6203 | 2016-11-21 17:49:11 +0100 | [diff] [blame] | 54 | #include <proto/stats.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 55 | #include <proto/fd.h> |
| 56 | #include <proto/freq_ctr.h> |
| 57 | #include <proto/frontend.h> |
| 58 | #include <proto/log.h> |
| 59 | #include <proto/pattern.h> |
| 60 | #include <proto/pipe.h> |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 61 | #include <proto/protocol.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 62 | #include <proto/listener.h> |
| 63 | #include <proto/map.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 64 | #include <proto/proxy.h> |
| 65 | #include <proto/sample.h> |
| 66 | #include <proto/session.h> |
| 67 | #include <proto/stream.h> |
| 68 | #include <proto/server.h> |
Willy Tarreau | c125cef | 2019-05-10 09:58:43 +0200 | [diff] [blame] | 69 | #include <proto/ssl_sock.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 70 | #include <proto/stream_interface.h> |
| 71 | #include <proto/task.h> |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 72 | #include <proto/proto_udp.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 73 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 74 | #define PAYLOAD_PATTERN "<<" |
| 75 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 76 | static struct applet cli_applet; |
| 77 | |
| 78 | static const char stats_sock_usage_msg[] = |
| 79 | "Unknown command. Please enter one of the following commands only :\n" |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 80 | " help : this message\n" |
| 81 | " prompt : toggle interactive mode with prompt\n" |
| 82 | " quit : disconnect\n" |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 83 | ""; |
| 84 | |
| 85 | static const char stats_permission_denied_msg[] = |
| 86 | "Permission denied\n" |
| 87 | ""; |
| 88 | |
| 89 | |
Christopher Faulet | 1bc04c7 | 2017-10-29 20:14:08 +0100 | [diff] [blame] | 90 | static THREAD_LOCAL char *dynamic_usage_msg = NULL; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 91 | |
| 92 | /* List head of cli keywords */ |
| 93 | static struct cli_kw_list cli_keywords = { |
| 94 | .list = LIST_HEAD_INIT(cli_keywords.list) |
| 95 | }; |
| 96 | |
| 97 | extern const char *stat_status_codes[]; |
| 98 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 99 | static struct proxy *mworker_proxy; /* CLI proxy of the master */ |
| 100 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 101 | static char *cli_gen_usage_msg(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 102 | { |
| 103 | struct cli_kw_list *kw_list; |
| 104 | struct cli_kw *kw; |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 105 | struct buffer *tmp = get_trash_chunk(); |
| 106 | struct buffer out; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 107 | |
| 108 | free(dynamic_usage_msg); |
| 109 | dynamic_usage_msg = NULL; |
| 110 | |
| 111 | if (LIST_ISEMPTY(&cli_keywords.list)) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 112 | goto end; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 113 | |
| 114 | chunk_reset(tmp); |
| 115 | chunk_strcat(tmp, stats_sock_usage_msg); |
| 116 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 117 | kw = &kw_list->kw[0]; |
William Lallemand | 0154edc | 2018-05-15 11:50:04 +0200 | [diff] [blame] | 118 | while (kw->str_kw[0]) { |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 119 | |
| 120 | /* in a worker or normal process, don't display master only commands */ |
| 121 | if (master == 0 && (kw->level & ACCESS_MASTER_ONLY)) |
| 122 | goto next_kw; |
| 123 | |
| 124 | /* in master don't displays if we don't have the master bits */ |
| 125 | if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER))) |
| 126 | goto next_kw; |
| 127 | |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 128 | /* only show expert commands in expert mode */ |
| 129 | if ((kw->level & ~appctx->cli_level) & ACCESS_EXPERT) |
| 130 | goto next_kw; |
| 131 | |
William Lallemand | 0154edc | 2018-05-15 11:50:04 +0200 | [diff] [blame] | 132 | if (kw->usage) |
| 133 | chunk_appendf(tmp, " %s\n", kw->usage); |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 134 | |
| 135 | next_kw: |
| 136 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 137 | kw++; |
| 138 | } |
| 139 | } |
| 140 | chunk_init(&out, NULL, 0); |
| 141 | chunk_dup(&out, tmp); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 142 | dynamic_usage_msg = out.area; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 143 | |
| 144 | end: |
| 145 | if (dynamic_usage_msg) { |
| 146 | appctx->ctx.cli.severity = LOG_INFO; |
| 147 | appctx->ctx.cli.msg = dynamic_usage_msg; |
| 148 | } |
| 149 | else { |
| 150 | appctx->ctx.cli.severity = LOG_INFO; |
| 151 | appctx->ctx.cli.msg = stats_sock_usage_msg; |
| 152 | } |
| 153 | appctx->st0 = CLI_ST_PRINT; |
| 154 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 155 | return dynamic_usage_msg; |
| 156 | } |
| 157 | |
| 158 | struct cli_kw* cli_find_kw(char **args) |
| 159 | { |
| 160 | struct cli_kw_list *kw_list; |
| 161 | struct cli_kw *kw;/* current cli_kw */ |
| 162 | char **tmp_args; |
| 163 | const char **tmp_str_kw; |
| 164 | int found = 0; |
| 165 | |
| 166 | if (LIST_ISEMPTY(&cli_keywords.list)) |
| 167 | return NULL; |
| 168 | |
| 169 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 170 | kw = &kw_list->kw[0]; |
| 171 | while (*kw->str_kw) { |
| 172 | tmp_args = args; |
| 173 | tmp_str_kw = kw->str_kw; |
| 174 | while (*tmp_str_kw) { |
| 175 | if (strcmp(*tmp_str_kw, *tmp_args) == 0) { |
| 176 | found = 1; |
| 177 | } else { |
| 178 | found = 0; |
| 179 | break; |
| 180 | } |
| 181 | tmp_args++; |
| 182 | tmp_str_kw++; |
| 183 | } |
| 184 | if (found) |
| 185 | return (kw); |
| 186 | kw++; |
| 187 | } |
| 188 | } |
| 189 | return NULL; |
| 190 | } |
| 191 | |
| 192 | void cli_register_kw(struct cli_kw_list *kw_list) |
| 193 | { |
| 194 | LIST_ADDQ(&cli_keywords.list, &kw_list->list); |
| 195 | } |
| 196 | |
| 197 | |
| 198 | /* allocate a new stats frontend named <name>, and return it |
| 199 | * (or NULL in case of lack of memory). |
| 200 | */ |
| 201 | static struct proxy *alloc_stats_fe(const char *name, const char *file, int line) |
| 202 | { |
| 203 | struct proxy *fe; |
| 204 | |
| 205 | fe = calloc(1, sizeof(*fe)); |
| 206 | if (!fe) |
| 207 | return NULL; |
| 208 | |
| 209 | init_new_proxy(fe); |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 210 | fe->next = proxies_list; |
| 211 | proxies_list = fe; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 212 | fe->last_change = now.tv_sec; |
| 213 | fe->id = strdup("GLOBAL"); |
| 214 | fe->cap = PR_CAP_FE; |
| 215 | fe->maxconn = 10; /* default to 10 concurrent connections */ |
| 216 | fe->timeout.client = MS_TO_TICKS(10000); /* default timeout of 10 seconds */ |
| 217 | fe->conf.file = strdup(file); |
| 218 | fe->conf.line = line; |
| 219 | fe->accept = frontend_accept; |
| 220 | fe->default_target = &cli_applet.obj_type; |
| 221 | |
| 222 | /* the stats frontend is the only one able to assign ID #0 */ |
| 223 | fe->conf.id.key = fe->uuid = 0; |
| 224 | eb32_insert(&used_proxy_id, &fe->conf.id); |
| 225 | return fe; |
| 226 | } |
| 227 | |
| 228 | /* This function parses a "stats" statement in the "global" section. It returns |
| 229 | * -1 if there is any error, otherwise zero. If it returns -1, it will write an |
| 230 | * error message into the <err> buffer which will be preallocated. The trailing |
| 231 | * '\n' must not be written. The function must be called with <args> pointing to |
| 232 | * the first word after "stats". |
| 233 | */ |
| 234 | static int stats_parse_global(char **args, int section_type, struct proxy *curpx, |
| 235 | struct proxy *defpx, const char *file, int line, |
| 236 | char **err) |
| 237 | { |
| 238 | struct bind_conf *bind_conf; |
| 239 | struct listener *l; |
| 240 | |
| 241 | if (!strcmp(args[1], "socket")) { |
| 242 | int cur_arg; |
| 243 | |
| 244 | if (*args[2] == 0) { |
| 245 | memprintf(err, "'%s %s' in global section expects an address or a path to a UNIX socket", args[0], args[1]); |
| 246 | return -1; |
| 247 | } |
| 248 | |
| 249 | if (!global.stats_fe) { |
| 250 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 251 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 252 | return -1; |
| 253 | } |
| 254 | } |
| 255 | |
Willy Tarreau | a261e9b | 2016-12-22 20:44:00 +0100 | [diff] [blame] | 256 | 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] | 257 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 258 | bind_conf->level |= ACCESS_LVL_OPER; /* default access level */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 259 | |
| 260 | if (!str2listener(args[2], global.stats_fe, bind_conf, file, line, err)) { |
| 261 | memprintf(err, "parsing [%s:%d] : '%s %s' : %s\n", |
| 262 | file, line, args[0], args[1], err && *err ? *err : "error"); |
| 263 | return -1; |
| 264 | } |
| 265 | |
| 266 | cur_arg = 3; |
| 267 | while (*args[cur_arg]) { |
| 268 | static int bind_dumped; |
| 269 | struct bind_kw *kw; |
| 270 | |
| 271 | kw = bind_find_kw(args[cur_arg]); |
| 272 | if (kw) { |
| 273 | if (!kw->parse) { |
| 274 | memprintf(err, "'%s %s' : '%s' option is not implemented in this version (check build options).", |
| 275 | args[0], args[1], args[cur_arg]); |
| 276 | return -1; |
| 277 | } |
| 278 | |
| 279 | if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, err) != 0) { |
| 280 | if (err && *err) |
| 281 | memprintf(err, "'%s %s' : '%s'", args[0], args[1], *err); |
| 282 | else |
| 283 | memprintf(err, "'%s %s' : error encountered while processing '%s'", |
| 284 | args[0], args[1], args[cur_arg]); |
| 285 | return -1; |
| 286 | } |
| 287 | |
| 288 | cur_arg += 1 + kw->skip; |
| 289 | continue; |
| 290 | } |
| 291 | |
| 292 | if (!bind_dumped) { |
| 293 | bind_dump_kws(err); |
| 294 | indent_msg(err, 4); |
| 295 | bind_dumped = 1; |
| 296 | } |
| 297 | |
| 298 | memprintf(err, "'%s %s' : unknown keyword '%s'.%s%s", |
| 299 | args[0], args[1], args[cur_arg], |
| 300 | err && *err ? " Registered keywords :" : "", err && *err ? *err : ""); |
| 301 | return -1; |
| 302 | } |
| 303 | |
| 304 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 305 | l->accept = session_accept_fd; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 306 | l->default_target = global.stats_fe->default_target; |
| 307 | l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */ |
| 308 | l->nice = -64; /* we want to boost priority for local stats */ |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 309 | global.maxsock++; /* for the listening socket */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 310 | } |
| 311 | } |
| 312 | else if (!strcmp(args[1], "timeout")) { |
| 313 | unsigned timeout; |
| 314 | const char *res = parse_time_err(args[2], &timeout, TIME_UNIT_MS); |
| 315 | |
Willy Tarreau | 9faebe3 | 2019-06-07 19:00:37 +0200 | [diff] [blame] | 316 | if (res == PARSE_TIME_OVER) { |
| 317 | memprintf(err, "timer overflow in argument '%s' to '%s %s' (maximum value is 2147483647 ms or ~24.8 days)", |
| 318 | args[2], args[0], args[1]); |
| 319 | return -1; |
| 320 | } |
| 321 | else if (res == PARSE_TIME_UNDER) { |
| 322 | memprintf(err, "timer underflow in argument '%s' to '%s %s' (minimum non-null value is 1 ms)", |
| 323 | args[2], args[0], args[1]); |
| 324 | return -1; |
| 325 | } |
| 326 | else if (res) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 327 | memprintf(err, "'%s %s' : unexpected character '%c'", args[0], args[1], *res); |
| 328 | return -1; |
| 329 | } |
| 330 | |
| 331 | if (!timeout) { |
| 332 | memprintf(err, "'%s %s' expects a positive value", args[0], args[1]); |
| 333 | return -1; |
| 334 | } |
| 335 | if (!global.stats_fe) { |
| 336 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 337 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 338 | return -1; |
| 339 | } |
| 340 | } |
| 341 | global.stats_fe->timeout.client = MS_TO_TICKS(timeout); |
| 342 | } |
| 343 | else if (!strcmp(args[1], "maxconn")) { |
| 344 | int maxconn = atol(args[2]); |
| 345 | |
| 346 | if (maxconn <= 0) { |
| 347 | memprintf(err, "'%s %s' expects a positive value", args[0], args[1]); |
| 348 | return -1; |
| 349 | } |
| 350 | |
| 351 | if (!global.stats_fe) { |
| 352 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 353 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 354 | return -1; |
| 355 | } |
| 356 | } |
| 357 | global.stats_fe->maxconn = maxconn; |
| 358 | } |
| 359 | else if (!strcmp(args[1], "bind-process")) { /* enable the socket only on some processes */ |
| 360 | int cur_arg = 2; |
| 361 | unsigned long set = 0; |
| 362 | |
| 363 | if (!global.stats_fe) { |
| 364 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 365 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 366 | return -1; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | while (*args[cur_arg]) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 371 | if (strcmp(args[cur_arg], "all") == 0) { |
| 372 | set = 0; |
| 373 | break; |
| 374 | } |
Willy Tarreau | ff9c914 | 2019-02-07 10:39:36 +0100 | [diff] [blame] | 375 | if (parse_process_number(args[cur_arg], &set, MAX_PROCS, NULL, err)) { |
Christopher Faulet | f1f0c5f | 2017-11-22 12:06:43 +0100 | [diff] [blame] | 376 | memprintf(err, "'%s %s' : %s", args[0], args[1], *err); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 377 | return -1; |
| 378 | } |
| 379 | cur_arg++; |
| 380 | } |
| 381 | global.stats_fe->bind_proc = set; |
| 382 | } |
| 383 | else { |
| 384 | memprintf(err, "'%s' only supports 'socket', 'maxconn', 'bind-process' and 'timeout' (got '%s')", args[0], args[1]); |
| 385 | return -1; |
| 386 | } |
| 387 | return 0; |
| 388 | } |
| 389 | |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 390 | /* |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 391 | * This function exports the bound addresses of a <frontend> in the environment |
| 392 | * variable <varname>. Those addresses are separated by semicolons and prefixed |
| 393 | * with their type (abns@, unix@, sockpair@ etc) |
| 394 | * Return -1 upon error, 0 otherwise |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 395 | */ |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 396 | int listeners_setenv(struct proxy *frontend, const char *varname) |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 397 | { |
| 398 | struct buffer *trash = get_trash_chunk(); |
| 399 | struct bind_conf *bind_conf; |
| 400 | |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 401 | if (frontend) { |
| 402 | list_for_each_entry(bind_conf, &frontend->conf.bind, by_fe) { |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 403 | struct listener *l; |
| 404 | |
| 405 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 406 | char addr[46]; |
| 407 | char port[6]; |
| 408 | |
William Lallemand | 620072b | 2019-04-12 16:09:25 +0200 | [diff] [blame] | 409 | /* separate listener by semicolons */ |
| 410 | if (trash->data) |
| 411 | chunk_appendf(trash, ";"); |
| 412 | |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 413 | if (l->addr.ss_family == AF_UNIX) { |
| 414 | const struct sockaddr_un *un; |
| 415 | |
| 416 | un = (struct sockaddr_un *)&l->addr; |
| 417 | if (un->sun_path[0] == '\0') { |
| 418 | chunk_appendf(trash, "abns@%s", un->sun_path+1); |
| 419 | } else { |
| 420 | chunk_appendf(trash, "unix@%s", un->sun_path); |
| 421 | } |
| 422 | } else if (l->addr.ss_family == AF_INET) { |
| 423 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 424 | port_to_str(&l->addr, port, sizeof(port)); |
| 425 | chunk_appendf(trash, "ipv4@%s:%s", addr, port); |
| 426 | } else if (l->addr.ss_family == AF_INET6) { |
| 427 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 428 | port_to_str(&l->addr, port, sizeof(port)); |
| 429 | chunk_appendf(trash, "ipv6@[%s]:%s", addr, port); |
| 430 | } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) { |
| 431 | chunk_appendf(trash, "sockpair@%d", ((struct sockaddr_in *)&l->addr)->sin_addr.s_addr); |
| 432 | } |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 433 | } |
| 434 | } |
| 435 | trash->area[trash->data++] = '\0'; |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 436 | if (setenv(varname, trash->area, 1) < 0) |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 437 | return -1; |
| 438 | } |
| 439 | |
| 440 | return 0; |
| 441 | } |
| 442 | |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 443 | int cli_socket_setenv() |
| 444 | { |
| 445 | if (listeners_setenv(global.stats_fe, "HAPROXY_CLI") < 0) |
| 446 | return -1; |
| 447 | if (listeners_setenv(mworker_proxy, "HAPROXY_MASTER_CLI") < 0) |
| 448 | return -1; |
| 449 | |
| 450 | return 0; |
| 451 | } |
| 452 | |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 453 | REGISTER_CONFIG_POSTPARSER("cli", cli_socket_setenv); |
| 454 | |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 455 | /* Verifies that the CLI at least has a level at least as high as <level> |
| 456 | * (typically ACCESS_LVL_ADMIN). Returns 1 if OK, otherwise 0. In case of |
| 457 | * failure, an error message is prepared and the appctx's state is adjusted |
| 458 | * to print it so that a return 1 is enough to abort any processing. |
| 459 | */ |
| 460 | int cli_has_level(struct appctx *appctx, int level) |
| 461 | { |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 462 | |
William Lallemand | f630d01 | 2018-12-13 09:05:44 +0100 | [diff] [blame] | 463 | if ((appctx->cli_level & ACCESS_LVL_MASK) < level) { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 464 | cli_err(appctx, stats_permission_denied_msg); |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 465 | return 0; |
| 466 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 467 | return 1; |
| 468 | } |
| 469 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 470 | /* same as cli_has_level but for the CLI proxy and without error message */ |
| 471 | int pcli_has_level(struct stream *s, int level) |
| 472 | { |
| 473 | if ((s->pcli_flags & ACCESS_LVL_MASK) < level) { |
| 474 | return 0; |
| 475 | } |
| 476 | return 1; |
| 477 | } |
| 478 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 479 | /* Returns severity_output for the current session if set, or default for the socket */ |
| 480 | static int cli_get_severity_output(struct appctx *appctx) |
| 481 | { |
| 482 | if (appctx->cli_severity_output) |
| 483 | return appctx->cli_severity_output; |
| 484 | return strm_li(si_strm(appctx->owner))->bind_conf->severity_output; |
| 485 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 486 | |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 487 | /* Processes the CLI interpreter on the stats socket. This function is called |
| 488 | * from the CLI's IO handler running in an appctx context. The function returns 1 |
| 489 | * if the request was understood, otherwise zero. It is called with appctx->st0 |
| 490 | * set to CLI_ST_GETREQ and presets ->st2 to 0 so that parsers don't have to do |
| 491 | * it. It will possilbly leave st0 to CLI_ST_CALLBACK if the keyword needs to |
| 492 | * have its own I/O handler called again. Most of the time, parsers will only |
| 493 | * 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] | 494 | * If a keyword parser is NULL and an I/O handler is declared, the I/O handler |
| 495 | * will automatically be used. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 496 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 497 | static int cli_parse_request(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 498 | { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 499 | char *args[MAX_STATS_ARGS + 1], *p, *end, *payload = NULL; |
| 500 | int i = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 501 | struct cli_kw *kw; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 502 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 503 | appctx->st2 = 0; |
| 504 | memset(&appctx->ctx.cli, 0, sizeof(appctx->ctx.cli)); |
Willy Tarreau | 300decc | 2019-08-30 08:05:03 +0200 | [diff] [blame] | 505 | LIST_INIT(&appctx->ctx.cli.l0); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 506 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 507 | p = appctx->chunk->area; |
| 508 | end = p + appctx->chunk->data; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 509 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 510 | /* |
| 511 | * Get the payload start if there is one. |
| 512 | * For the sake of simplicity, the payload pattern is looked up |
| 513 | * everywhere from the start of the input but it can only be found |
| 514 | * at the end of the first line if APPCTX_CLI_ST1_PAYLOAD is set. |
| 515 | * |
| 516 | * The input string was zero terminated so it is safe to use |
| 517 | * the str*() functions throughout the parsing |
| 518 | */ |
| 519 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
| 520 | payload = strstr(p, PAYLOAD_PATTERN); |
| 521 | end = payload; |
| 522 | /* skip the pattern */ |
| 523 | payload += strlen(PAYLOAD_PATTERN); |
| 524 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 525 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 526 | /* |
| 527 | * Get pointers on words. |
| 528 | * One extra slot is reserved to store a pointer on a null byte. |
| 529 | */ |
| 530 | while (i < MAX_STATS_ARGS && p < end) { |
| 531 | int j, k; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 532 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 533 | /* skip leading spaces/tabs */ |
| 534 | p += strspn(p, " \t"); |
| 535 | if (!*p) |
| 536 | break; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 537 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 538 | args[i] = p; |
| 539 | p += strcspn(p, " \t"); |
| 540 | *p++ = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 541 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 542 | /* unescape backslashes (\) */ |
| 543 | for (j = 0, k = 0; args[i][k]; k++) { |
| 544 | if (args[i][k] == '\\') { |
| 545 | if (args[i][k + 1] == '\\') |
| 546 | k++; |
Dragan Dosen | a1c35ab | 2016-11-24 11:33:12 +0100 | [diff] [blame] | 547 | else |
| 548 | continue; |
| 549 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 550 | args[i][j] = args[i][k]; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 551 | j++; |
| 552 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 553 | args[i][j] = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 554 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 555 | i++; |
| 556 | } |
| 557 | /* fill unused slots */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 558 | p = appctx->chunk->area + appctx->chunk->data; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 559 | for (; i < MAX_STATS_ARGS + 1; i++) |
| 560 | args[i] = p; |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 561 | |
| 562 | kw = cli_find_kw(args); |
Willy Tarreau | eaffde3 | 2016-12-16 17:59:25 +0100 | [diff] [blame] | 563 | if (!kw) |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 564 | return 0; |
| 565 | |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 566 | /* in a worker or normal process, don't display master only commands */ |
| 567 | if (master == 0 && (kw->level & ACCESS_MASTER_ONLY)) |
| 568 | return 0; |
| 569 | |
| 570 | /* in master don't displays if we don't have the master bits */ |
| 571 | if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER))) |
| 572 | return 0; |
| 573 | |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 574 | /* only accept expert commands in expert mode */ |
| 575 | if ((kw->level & ~appctx->cli_level) & ACCESS_EXPERT) |
| 576 | return 0; |
| 577 | |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 578 | appctx->io_handler = kw->io_handler; |
Emeric Brun | d6871f7 | 2017-06-29 19:54:13 +0200 | [diff] [blame] | 579 | appctx->io_release = kw->io_release; |
William Lallemand | 90b098c | 2019-10-25 21:10:14 +0200 | [diff] [blame] | 580 | |
| 581 | if (kw->parse && kw->parse(args, payload, appctx, kw->private) != 0) |
| 582 | goto fail; |
| 583 | |
| 584 | /* kw->parse could set its own io_handler or io_release handler */ |
| 585 | if (!appctx->io_handler) |
| 586 | goto fail; |
| 587 | |
| 588 | appctx->st0 = CLI_ST_CALLBACK; |
| 589 | return 1; |
| 590 | fail: |
| 591 | appctx->io_handler = NULL; |
| 592 | appctx->io_release = NULL; |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 593 | return 1; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 594 | } |
| 595 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 596 | /* prepends then outputs the argument msg with a syslog-type severity depending on severity_output value */ |
| 597 | static int cli_output_msg(struct channel *chn, const char *msg, int severity, int severity_output) |
| 598 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 599 | struct buffer *tmp; |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 600 | |
| 601 | if (likely(severity_output == CLI_SEVERITY_NONE)) |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 602 | return ci_putblk(chn, msg, strlen(msg)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 603 | |
| 604 | tmp = get_trash_chunk(); |
| 605 | chunk_reset(tmp); |
| 606 | |
| 607 | if (severity < 0 || severity > 7) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 608 | ha_warning("socket command feedback with invalid severity %d", severity); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 609 | chunk_printf(tmp, "[%d]: ", severity); |
| 610 | } |
| 611 | else { |
| 612 | switch (severity_output) { |
| 613 | case CLI_SEVERITY_NUMBER: |
| 614 | chunk_printf(tmp, "[%d]: ", severity); |
| 615 | break; |
| 616 | case CLI_SEVERITY_STRING: |
| 617 | chunk_printf(tmp, "[%s]: ", log_levels[severity]); |
| 618 | break; |
| 619 | default: |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 620 | ha_warning("Unrecognized severity output %d", severity_output); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 621 | } |
| 622 | } |
| 623 | chunk_appendf(tmp, "%s", msg); |
| 624 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 625 | return ci_putblk(chn, tmp->area, strlen(tmp->area)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 626 | } |
| 627 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 628 | /* This I/O handler runs as an applet embedded in a stream interface. It is |
| 629 | * used to processes I/O from/to the stats unix socket. The system relies on a |
| 630 | * state machine handling requests and various responses. We read a request, |
| 631 | * then we process it and send the response, and we possibly display a prompt. |
| 632 | * 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] | 633 | * 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] | 634 | * or not. |
| 635 | */ |
| 636 | static void cli_io_handler(struct appctx *appctx) |
| 637 | { |
| 638 | struct stream_interface *si = appctx->owner; |
| 639 | struct channel *req = si_oc(si); |
| 640 | struct channel *res = si_ic(si); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 641 | struct bind_conf *bind_conf = strm_li(si_strm(si))->bind_conf; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 642 | int reql; |
| 643 | int len; |
| 644 | |
| 645 | if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO)) |
| 646 | goto out; |
| 647 | |
Joseph Herlant | 008b3ce | 2018-11-25 12:51:45 -0800 | [diff] [blame] | 648 | /* Check if the input buffer is available. */ |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 649 | if (res->buf.size == 0) { |
Willy Tarreau | 4b962a4 | 2018-11-15 11:03:21 +0100 | [diff] [blame] | 650 | /* buf.size==0 means we failed to get a buffer and were |
| 651 | * already subscribed to a wait list to get a buffer. |
| 652 | */ |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 653 | goto out; |
| 654 | } |
| 655 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 656 | while (1) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 657 | if (appctx->st0 == CLI_ST_INIT) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 658 | /* Stats output not initialized yet */ |
| 659 | memset(&appctx->ctx.stats, 0, sizeof(appctx->ctx.stats)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 660 | /* reset severity to default at init */ |
| 661 | appctx->cli_severity_output = bind_conf->severity_output; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 662 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | f630d01 | 2018-12-13 09:05:44 +0100 | [diff] [blame] | 663 | appctx->cli_level = bind_conf->level; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 664 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 665 | else if (appctx->st0 == CLI_ST_END) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 666 | /* Let's close for real now. We just close the request |
| 667 | * side, the conditions below will complete if needed. |
| 668 | */ |
| 669 | si_shutw(si); |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 670 | free_trash_chunk(appctx->chunk); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 671 | break; |
| 672 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 673 | else if (appctx->st0 == CLI_ST_GETREQ) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 674 | char *str; |
| 675 | |
| 676 | /* use a trash chunk to store received data */ |
| 677 | if (!appctx->chunk) { |
| 678 | appctx->chunk = alloc_trash_chunk(); |
| 679 | if (!appctx->chunk) { |
| 680 | appctx->st0 = CLI_ST_END; |
| 681 | continue; |
| 682 | } |
| 683 | } |
| 684 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 685 | str = appctx->chunk->area + appctx->chunk->data; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 686 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 687 | /* ensure we have some output room left in the event we |
| 688 | * would want to return some info right after parsing. |
| 689 | */ |
| 690 | if (buffer_almost_full(si_ib(si))) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 691 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 692 | break; |
| 693 | } |
| 694 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 695 | /* '- 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] | 696 | reql = co_getline(si_oc(si), str, |
| 697 | appctx->chunk->size - appctx->chunk->data - 1); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 698 | if (reql <= 0) { /* closed or EOL not found */ |
| 699 | if (reql == 0) |
| 700 | break; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 701 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 702 | continue; |
| 703 | } |
| 704 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 705 | if (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)) { |
| 706 | /* seek for a possible unescaped semi-colon. If we find |
| 707 | * one, we replace it with an LF and skip only this part. |
| 708 | */ |
| 709 | for (len = 0; len < reql; len++) { |
| 710 | if (str[len] == '\\') { |
| 711 | len++; |
| 712 | continue; |
| 713 | } |
| 714 | if (str[len] == ';') { |
| 715 | str[len] = '\n'; |
| 716 | reql = len + 1; |
| 717 | break; |
| 718 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 719 | } |
| 720 | } |
| 721 | |
| 722 | /* now it is time to check that we have a full line, |
| 723 | * remove the trailing \n and possibly \r, then cut the |
| 724 | * line. |
| 725 | */ |
| 726 | len = reql - 1; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 727 | if (str[len] != '\n') { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 728 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 729 | continue; |
| 730 | } |
| 731 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 732 | if (len && str[len-1] == '\r') |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 733 | len--; |
| 734 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 735 | str[len] = '\0'; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 736 | appctx->chunk->data += len; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 737 | |
| 738 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 739 | appctx->chunk->area[appctx->chunk->data] = '\n'; |
| 740 | appctx->chunk->area[appctx->chunk->data + 1] = 0; |
| 741 | appctx->chunk->data++; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 742 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 743 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 744 | appctx->st0 = CLI_ST_PROMPT; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 745 | |
| 746 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
| 747 | /* empty line */ |
| 748 | if (!len) { |
| 749 | /* remove the last two \n */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 750 | appctx->chunk->data -= 2; |
| 751 | appctx->chunk->area[appctx->chunk->data] = 0; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 752 | |
| 753 | if (!cli_parse_request(appctx)) |
| 754 | cli_gen_usage_msg(appctx); |
| 755 | |
| 756 | chunk_reset(appctx->chunk); |
| 757 | /* NB: cli_sock_parse_request() may have put |
| 758 | * another CLI_ST_O_* into appctx->st0. |
| 759 | */ |
| 760 | |
| 761 | appctx->st1 &= ~APPCTX_CLI_ST1_PAYLOAD; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 762 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 763 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 764 | else { |
| 765 | /* |
| 766 | * Look for the "payload start" pattern at the end of a line |
| 767 | * Its location is not remembered here, this is just to switch |
| 768 | * to a gathering mode. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 769 | */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 770 | 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] | 771 | appctx->st1 |= APPCTX_CLI_ST1_PAYLOAD; |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 772 | else { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 773 | /* no payload, the command is complete: parse the request */ |
| 774 | if (!cli_parse_request(appctx)) |
| 775 | cli_gen_usage_msg(appctx); |
| 776 | |
| 777 | chunk_reset(appctx->chunk); |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 778 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 779 | } |
| 780 | |
| 781 | /* re-adjust req buffer */ |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 782 | co_skip(si_oc(si), reql); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 783 | req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */ |
| 784 | } |
| 785 | else { /* output functions */ |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 786 | const char *msg; |
| 787 | int sev; |
| 788 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 789 | switch (appctx->st0) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 790 | case CLI_ST_PROMPT: |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 791 | break; |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 792 | case CLI_ST_PRINT: /* print const message in msg */ |
| 793 | case CLI_ST_PRINT_ERR: /* print const error in msg */ |
| 794 | case CLI_ST_PRINT_DYN: /* print dyn message in msg, free */ |
| 795 | case CLI_ST_PRINT_FREE: /* print dyn error in err, free */ |
| 796 | if (appctx->st0 == CLI_ST_PRINT || appctx->st0 == CLI_ST_PRINT_ERR) { |
| 797 | sev = appctx->st0 == CLI_ST_PRINT_ERR ? |
| 798 | LOG_ERR : appctx->ctx.cli.severity; |
| 799 | msg = appctx->ctx.cli.msg; |
| 800 | } |
| 801 | else if (appctx->st0 == CLI_ST_PRINT_DYN || appctx->st0 == CLI_ST_PRINT_FREE) { |
| 802 | sev = appctx->st0 == CLI_ST_PRINT_FREE ? |
| 803 | LOG_ERR : appctx->ctx.cli.severity; |
| 804 | msg = appctx->ctx.cli.err; |
| 805 | if (!msg) { |
| 806 | sev = LOG_ERR; |
| 807 | msg = "Out of memory.\n"; |
| 808 | } |
| 809 | } |
| 810 | else { |
| 811 | sev = LOG_ERR; |
| 812 | msg = "Internal error.\n"; |
| 813 | } |
Aurélien Nephtali | c511b7c | 2018-04-16 18:50:19 +0200 | [diff] [blame] | 814 | |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 815 | if (cli_output_msg(res, msg, sev, cli_get_severity_output(appctx)) != -1) { |
| 816 | if (appctx->st0 == CLI_ST_PRINT_FREE || |
| 817 | appctx->st0 == CLI_ST_PRINT_DYN) { |
| 818 | free(appctx->ctx.cli.err); |
| 819 | appctx->ctx.cli.err = NULL; |
| 820 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 821 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 822 | } |
| 823 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 824 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 825 | break; |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 826 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 827 | case CLI_ST_CALLBACK: /* use custom pointer */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 828 | if (appctx->io_handler) |
| 829 | if (appctx->io_handler(appctx)) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 830 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 831 | if (appctx->io_release) { |
| 832 | appctx->io_release(appctx); |
| 833 | appctx->io_release = NULL; |
| 834 | } |
| 835 | } |
| 836 | break; |
| 837 | default: /* abnormal state */ |
| 838 | si->flags |= SI_FL_ERR; |
| 839 | break; |
| 840 | } |
| 841 | |
| 842 | /* 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] | 843 | if (appctx->st0 == CLI_ST_PROMPT) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 844 | const char *prompt = ""; |
| 845 | |
| 846 | if (appctx->st1 & APPCTX_CLI_ST1_PROMPT) { |
| 847 | /* |
| 848 | * when entering a payload with interactive mode, change the prompt |
| 849 | * to emphasize that more data can still be sent |
| 850 | */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 851 | if (appctx->chunk->data && appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 852 | prompt = "+ "; |
| 853 | else |
| 854 | prompt = "\n> "; |
| 855 | } |
| 856 | else { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 857 | if (!(appctx->st1 & (APPCTX_CLI_ST1_PAYLOAD|APPCTX_CLI_ST1_NOLF))) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 858 | prompt = "\n"; |
| 859 | } |
| 860 | |
| 861 | if (ci_putstr(si_ic(si), prompt) != -1) |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 862 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 863 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 864 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 865 | } |
| 866 | |
| 867 | /* 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] | 868 | if (appctx->st0 >= CLI_ST_OUTPUT) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 869 | break; |
| 870 | |
| 871 | /* Now we close the output if one of the writers did so, |
| 872 | * or if we're not in interactive mode and the request |
| 873 | * buffer is empty. This still allows pipelined requests |
| 874 | * to be sent in non-interactive mode. |
| 875 | */ |
William Lallemand | 3de09d5 | 2018-12-11 16:10:56 +0100 | [diff] [blame] | 876 | if (((res->flags & (CF_SHUTW|CF_SHUTW_NOW))) || |
| 877 | (!(appctx->st1 & APPCTX_CLI_ST1_PROMPT) && !co_data(req) && (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)))) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 878 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 879 | continue; |
| 880 | } |
| 881 | |
| 882 | /* switch state back to GETREQ to read next requests */ |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 883 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 884 | /* reactivate the \n at the end of the response for the next command */ |
| 885 | appctx->st1 &= ~APPCTX_CLI_ST1_NOLF; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 886 | } |
| 887 | } |
| 888 | |
| 889 | if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST)) { |
| 890 | DPRINTF(stderr, "%s@%d: si to buf closed. req=%08x, res=%08x, st=%d\n", |
| 891 | __FUNCTION__, __LINE__, req->flags, res->flags, si->state); |
| 892 | /* Other side has closed, let's abort if we have no more processing to do |
| 893 | * and nothing more to consume. This is comparable to a broken pipe, so |
| 894 | * we forward the close to the request side so that it flows upstream to |
| 895 | * the client. |
| 896 | */ |
| 897 | si_shutw(si); |
| 898 | } |
| 899 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 900 | 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] | 901 | DPRINTF(stderr, "%s@%d: buf to si closed. req=%08x, res=%08x, st=%d\n", |
| 902 | __FUNCTION__, __LINE__, req->flags, res->flags, si->state); |
| 903 | /* We have no more processing to do, and nothing more to send, and |
| 904 | * the client side has closed. So we'll forward this state downstream |
| 905 | * on the response buffer. |
| 906 | */ |
| 907 | si_shutr(si); |
| 908 | res->flags |= CF_READ_NULL; |
| 909 | } |
| 910 | |
| 911 | out: |
Christopher Faulet | 4507351 | 2018-07-20 10:16:29 +0200 | [diff] [blame] | 912 | 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] | 913 | __FUNCTION__, __LINE__, |
Christopher Faulet | 4507351 | 2018-07-20 10:16:29 +0200 | [diff] [blame] | 914 | 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] | 915 | } |
| 916 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 917 | /* This is called when the stream interface is closed. For instance, upon an |
| 918 | * external abort, we won't call the i/o handler anymore so we may need to |
| 919 | * remove back references to the stream currently being dumped. |
| 920 | */ |
| 921 | static void cli_release_handler(struct appctx *appctx) |
| 922 | { |
| 923 | if (appctx->io_release) { |
| 924 | appctx->io_release(appctx); |
| 925 | appctx->io_release = NULL; |
| 926 | } |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 927 | else if (appctx->st0 == CLI_ST_PRINT_FREE || appctx->st0 == CLI_ST_PRINT_DYN) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 928 | free(appctx->ctx.cli.err); |
| 929 | appctx->ctx.cli.err = NULL; |
| 930 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 931 | } |
| 932 | |
| 933 | /* This function dumps all environmnent variables to the buffer. It returns 0 |
| 934 | * 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] | 935 | * non-zero. Dumps only one entry if st2 == STAT_ST_END. It uses cli.p0 as the |
| 936 | * pointer to the current variable. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 937 | */ |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 938 | static int cli_io_handler_show_env(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 939 | { |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 940 | struct stream_interface *si = appctx->owner; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 941 | char **var = appctx->ctx.cli.p0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 942 | |
| 943 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 944 | return 1; |
| 945 | |
| 946 | chunk_reset(&trash); |
| 947 | |
| 948 | /* we have two inner loops here, one for the proxy, the other one for |
| 949 | * the buffer. |
| 950 | */ |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 951 | while (*var) { |
| 952 | chunk_printf(&trash, "%s\n", *var); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 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); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 956 | return 0; |
| 957 | } |
| 958 | if (appctx->st2 == STAT_ST_END) |
| 959 | break; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 960 | var++; |
| 961 | appctx->ctx.cli.p0 = var; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 962 | } |
| 963 | |
| 964 | /* dump complete */ |
| 965 | return 1; |
| 966 | } |
| 967 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 968 | /* This function dumps all file descriptors states (or the requested one) to |
| 969 | * the buffer. It returns 0 if the output buffer is full and it needs to be |
| 970 | * called again, otherwise non-zero. Dumps only one entry if st2 == STAT_ST_END. |
| 971 | * It uses cli.i0 as the fd number to restart from. |
| 972 | */ |
| 973 | static int cli_io_handler_show_fd(struct appctx *appctx) |
| 974 | { |
| 975 | struct stream_interface *si = appctx->owner; |
| 976 | int fd = appctx->ctx.cli.i0; |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 977 | int ret = 1; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 978 | |
| 979 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 980 | goto end; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 981 | |
| 982 | chunk_reset(&trash); |
| 983 | |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 984 | /* isolate the threads once per round. We're limited to a buffer worth |
| 985 | * of output anyway, it cannot last very long. |
| 986 | */ |
| 987 | thread_isolate(); |
| 988 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 989 | /* we have two inner loops here, one for the proxy, the other one for |
| 990 | * the buffer. |
| 991 | */ |
Aurélien Nephtali | 498a115 | 2018-03-09 18:51:16 +0100 | [diff] [blame] | 992 | while (fd >= 0 && fd < global.maxsock) { |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 993 | struct fdtab fdt; |
Willy Tarreau | 286ec68 | 2017-08-09 16:35:44 +0200 | [diff] [blame] | 994 | struct listener *li = NULL; |
| 995 | struct server *sv = NULL; |
| 996 | struct proxy *px = NULL; |
Willy Tarreau | a833cd9 | 2018-03-29 13:19:37 +0200 | [diff] [blame] | 997 | const struct mux_ops *mux = NULL; |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 998 | void *ctx = NULL; |
Willy Tarreau | 286ec68 | 2017-08-09 16:35:44 +0200 | [diff] [blame] | 999 | uint32_t conn_flags = 0; |
Willy Tarreau | e9ca807 | 2018-12-19 18:40:58 +0100 | [diff] [blame] | 1000 | int is_back = 0; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1001 | |
| 1002 | fdt = fdtab[fd]; |
| 1003 | |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1004 | if (!fdt.owner) |
Willy Tarreau | 017af24 | 2017-10-04 20:24:54 +0200 | [diff] [blame] | 1005 | goto skip; // closed |
| 1006 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1007 | if (fdt.iocb == conn_fd_handler) { |
| 1008 | conn_flags = ((struct connection *)fdt.owner)->flags; |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 1009 | mux = ((struct connection *)fdt.owner)->mux; |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 1010 | ctx = ((struct connection *)fdt.owner)->ctx; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1011 | li = objt_listener(((struct connection *)fdt.owner)->target); |
| 1012 | sv = objt_server(((struct connection *)fdt.owner)->target); |
| 1013 | px = objt_proxy(((struct connection *)fdt.owner)->target); |
Willy Tarreau | e9ca807 | 2018-12-19 18:40:58 +0100 | [diff] [blame] | 1014 | is_back = conn_is_back((struct connection *)fdt.owner); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1015 | } |
| 1016 | else if (fdt.iocb == listener_accept) |
| 1017 | li = fdt.owner; |
| 1018 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1019 | chunk_printf(&trash, |
Willy Tarreau | 5bee3e2 | 2019-09-04 09:52:57 +0200 | [diff] [blame] | 1020 | " %5d : st=0x%02x(R:%c%c W:%c%c) ev=0x%02x(%c%c%c%c%c) [%c%c] tmask=0x%lx umask=0x%lx owner=%p iocb=%p(%s)", |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1021 | fd, |
| 1022 | fdt.state, |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1023 | (fdt.state & FD_EV_READY_R) ? 'R' : 'r', |
| 1024 | (fdt.state & FD_EV_ACTIVE_R) ? 'A' : 'a', |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1025 | (fdt.state & FD_EV_READY_W) ? 'R' : 'r', |
| 1026 | (fdt.state & FD_EV_ACTIVE_W) ? 'A' : 'a', |
| 1027 | fdt.ev, |
| 1028 | (fdt.ev & FD_POLL_HUP) ? 'H' : 'h', |
| 1029 | (fdt.ev & FD_POLL_ERR) ? 'E' : 'e', |
| 1030 | (fdt.ev & FD_POLL_OUT) ? 'O' : 'o', |
| 1031 | (fdt.ev & FD_POLL_PRI) ? 'P' : 'p', |
| 1032 | (fdt.ev & FD_POLL_IN) ? 'I' : 'i', |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1033 | fdt.linger_risk ? 'L' : 'l', |
| 1034 | fdt.cloned ? 'C' : 'c', |
Willy Tarreau | c754b34 | 2018-03-30 15:00:15 +0200 | [diff] [blame] | 1035 | fdt.thread_mask, fdt.update_mask, |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1036 | fdt.owner, |
| 1037 | fdt.iocb, |
| 1038 | (fdt.iocb == conn_fd_handler) ? "conn_fd_handler" : |
| 1039 | (fdt.iocb == dgram_fd_handler) ? "dgram_fd_handler" : |
| 1040 | (fdt.iocb == listener_accept) ? "listener_accept" : |
Olivier Houchard | 79321b9 | 2018-07-26 17:55:11 +0200 | [diff] [blame] | 1041 | (fdt.iocb == poller_pipe_io_handler) ? "poller_pipe_io_handler" : |
William Lallemand | db6bdfb | 2018-11-20 17:36:51 +0100 | [diff] [blame] | 1042 | (fdt.iocb == mworker_accept_wrapper) ? "mworker_accept_wrapper" : |
Emeric Brun | d0e095c | 2019-04-19 17:15:28 +0200 | [diff] [blame] | 1043 | #ifdef USE_OPENSSL |
Willy Tarreau | 5db847a | 2019-05-09 14:13:35 +0200 | [diff] [blame] | 1044 | #if (HA_OPENSSL_VERSION_NUMBER >= 0x1010000fL) && !defined(OPENSSL_NO_ASYNC) |
Emeric Brun | d0e095c | 2019-04-19 17:15:28 +0200 | [diff] [blame] | 1045 | (fdt.iocb == ssl_async_fd_free) ? "ssl_async_fd_free" : |
| 1046 | (fdt.iocb == ssl_async_fd_handler) ? "ssl_async_fd_handler" : |
| 1047 | #endif |
| 1048 | #endif |
Willy Tarreau | c754b34 | 2018-03-30 15:00:15 +0200 | [diff] [blame] | 1049 | "unknown"); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1050 | |
| 1051 | if (fdt.iocb == conn_fd_handler) { |
Willy Tarreau | e9ca807 | 2018-12-19 18:40:58 +0100 | [diff] [blame] | 1052 | chunk_appendf(&trash, " back=%d cflg=0x%08x", is_back, conn_flags); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1053 | if (px) |
| 1054 | chunk_appendf(&trash, " px=%s", px->id); |
| 1055 | else if (sv) |
| 1056 | chunk_appendf(&trash, " sv=%s/%s", sv->id, sv->proxy->id); |
| 1057 | else if (li) |
| 1058 | chunk_appendf(&trash, " fe=%s", li->bind_conf->frontend->id); |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 1059 | |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 1060 | if (mux) { |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 1061 | chunk_appendf(&trash, " mux=%s ctx=%p", mux->name, ctx); |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 1062 | if (mux->show_fd) |
| 1063 | mux->show_fd(&trash, fdt.owner); |
| 1064 | } |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 1065 | else |
| 1066 | chunk_appendf(&trash, " nomux"); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1067 | } |
| 1068 | else if (fdt.iocb == listener_accept) { |
| 1069 | chunk_appendf(&trash, " l.st=%s fe=%s", |
| 1070 | listener_state_str(li), |
| 1071 | li->bind_conf->frontend->id); |
| 1072 | } |
| 1073 | |
| 1074 | chunk_appendf(&trash, "\n"); |
| 1075 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1076 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1077 | si_rx_room_blk(si); |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1078 | appctx->ctx.cli.i0 = fd; |
| 1079 | ret = 0; |
| 1080 | break; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1081 | } |
| 1082 | skip: |
| 1083 | if (appctx->st2 == STAT_ST_END) |
| 1084 | break; |
| 1085 | |
| 1086 | fd++; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1087 | } |
| 1088 | |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1089 | end: |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1090 | /* dump complete */ |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1091 | |
| 1092 | thread_release(); |
| 1093 | return ret; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1094 | } |
| 1095 | |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1096 | /* This function dumps some activity counters used by developers and support to |
| 1097 | * rule out some hypothesis during bug reports. It returns 0 if the output |
| 1098 | * buffer is full and it needs to be called again, otherwise non-zero. It dumps |
| 1099 | * everything at once in the buffer and is not designed to do it in multiple |
| 1100 | * passes. |
| 1101 | */ |
| 1102 | static int cli_io_handler_show_activity(struct appctx *appctx) |
| 1103 | { |
| 1104 | struct stream_interface *si = appctx->owner; |
| 1105 | int thr; |
| 1106 | |
| 1107 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 1108 | return 1; |
| 1109 | |
| 1110 | chunk_reset(&trash); |
| 1111 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1112 | #undef SHOW_TOT |
| 1113 | #define SHOW_TOT(t, x) \ |
Willy Tarreau | a0211b8 | 2019-05-28 15:09:08 +0200 | [diff] [blame] | 1114 | do { \ |
| 1115 | unsigned int _v[MAX_THREADS]; \ |
| 1116 | unsigned int _tot; \ |
| 1117 | const unsigned int _nbt = global.nbthread; \ |
| 1118 | for (_tot = t = 0; t < _nbt; t++) \ |
| 1119 | _tot += _v[t] = (x); \ |
| 1120 | if (_nbt == 1) { \ |
| 1121 | chunk_appendf(&trash, " %u\n", _tot); \ |
| 1122 | break; \ |
| 1123 | } \ |
| 1124 | chunk_appendf(&trash, " %u [", _tot); \ |
| 1125 | for (t = 0; t < _nbt; t++) \ |
| 1126 | chunk_appendf(&trash, " %u", _v[t]); \ |
| 1127 | chunk_appendf(&trash, " ]\n"); \ |
| 1128 | } while (0) |
| 1129 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1130 | #undef SHOW_AVG |
| 1131 | #define SHOW_AVG(t, x) \ |
| 1132 | do { \ |
| 1133 | unsigned int _v[MAX_THREADS]; \ |
| 1134 | unsigned int _tot; \ |
| 1135 | const unsigned int _nbt = global.nbthread; \ |
| 1136 | for (_tot = t = 0; t < _nbt; t++) \ |
| 1137 | _tot += _v[t] = (x); \ |
| 1138 | if (_nbt == 1) { \ |
| 1139 | chunk_appendf(&trash, " %u\n", _tot); \ |
| 1140 | break; \ |
| 1141 | } \ |
| 1142 | chunk_appendf(&trash, " %u [", (_tot + _nbt/2) / _nbt); \ |
| 1143 | for (t = 0; t < _nbt; t++) \ |
| 1144 | chunk_appendf(&trash, " %u", _v[t]); \ |
| 1145 | chunk_appendf(&trash, " ]\n"); \ |
| 1146 | } while (0) |
| 1147 | |
Willy Tarreau | a0211b8 | 2019-05-28 15:09:08 +0200 | [diff] [blame] | 1148 | chunk_appendf(&trash, "thread_id: %u (%u..%u)\n", tid + 1, 1, global.nbthread); |
| 1149 | chunk_appendf(&trash, "date_now: %lu.%06lu\n", (long)now.tv_sec, (long)now.tv_usec); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1150 | chunk_appendf(&trash, "loops:"); SHOW_TOT(thr, activity[thr].loops); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1151 | chunk_appendf(&trash, "wake_tasks:"); SHOW_TOT(thr, activity[thr].wake_tasks); |
| 1152 | chunk_appendf(&trash, "wake_signal:"); SHOW_TOT(thr, activity[thr].wake_signal); |
| 1153 | chunk_appendf(&trash, "poll_exp:"); SHOW_TOT(thr, activity[thr].poll_exp); |
| 1154 | chunk_appendf(&trash, "poll_drop:"); SHOW_TOT(thr, activity[thr].poll_drop); |
| 1155 | chunk_appendf(&trash, "poll_dead:"); SHOW_TOT(thr, activity[thr].poll_dead); |
| 1156 | chunk_appendf(&trash, "poll_skip:"); SHOW_TOT(thr, activity[thr].poll_skip); |
| 1157 | chunk_appendf(&trash, "fd_lock:"); SHOW_TOT(thr, activity[thr].fd_lock); |
| 1158 | chunk_appendf(&trash, "conn_dead:"); SHOW_TOT(thr, activity[thr].conn_dead); |
| 1159 | chunk_appendf(&trash, "stream:"); SHOW_TOT(thr, activity[thr].stream); |
Willy Tarreau | a8b2ce0 | 2019-05-28 17:04:16 +0200 | [diff] [blame] | 1160 | chunk_appendf(&trash, "pool_fail:"); SHOW_TOT(thr, activity[thr].pool_fail); |
| 1161 | chunk_appendf(&trash, "buf_wait:"); SHOW_TOT(thr, activity[thr].buf_wait); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1162 | chunk_appendf(&trash, "empty_rq:"); SHOW_TOT(thr, activity[thr].empty_rq); |
| 1163 | chunk_appendf(&trash, "long_rq:"); SHOW_TOT(thr, activity[thr].long_rq); |
| 1164 | chunk_appendf(&trash, "ctxsw:"); SHOW_TOT(thr, activity[thr].ctxsw); |
| 1165 | chunk_appendf(&trash, "tasksw:"); SHOW_TOT(thr, activity[thr].tasksw); |
| 1166 | chunk_appendf(&trash, "cpust_ms_tot:"); SHOW_TOT(thr, activity[thr].cpust_total / 2); |
| 1167 | chunk_appendf(&trash, "cpust_ms_1s:"); SHOW_TOT(thr, read_freq_ctr(&activity[thr].cpust_1s) / 2); |
| 1168 | chunk_appendf(&trash, "cpust_ms_15s:"); SHOW_TOT(thr, read_freq_ctr_period(&activity[thr].cpust_15s, 15000) / 2); |
| 1169 | chunk_appendf(&trash, "avg_loop_us:"); SHOW_AVG(thr, swrate_avg(activity[thr].avg_loop_us, TIME_STATS_SAMPLES)); |
| 1170 | chunk_appendf(&trash, "accepted:"); SHOW_TOT(thr, activity[thr].accepted); |
| 1171 | chunk_appendf(&trash, "accq_pushed:"); SHOW_TOT(thr, activity[thr].accq_pushed); |
| 1172 | chunk_appendf(&trash, "accq_full:"); SHOW_TOT(thr, activity[thr].accq_full); |
Willy Tarreau | e618284 | 2019-04-15 18:54:10 +0200 | [diff] [blame] | 1173 | #ifdef USE_THREAD |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1174 | chunk_appendf(&trash, "accq_ring:"); SHOW_TOT(thr, (accept_queue_rings[thr].tail - accept_queue_rings[thr].head + ACCEPT_QUEUE_SIZE) % ACCEPT_QUEUE_SIZE); |
Willy Tarreau | e618284 | 2019-04-15 18:54:10 +0200 | [diff] [blame] | 1175 | #endif |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1176 | |
Willy Tarreau | d6a7850 | 2019-05-27 07:03:38 +0200 | [diff] [blame] | 1177 | #if defined(DEBUG_DEV) |
| 1178 | /* keep these ones at the end */ |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1179 | chunk_appendf(&trash, "ctr0:"); SHOW_TOT(thr, activity[thr].ctr0); |
| 1180 | chunk_appendf(&trash, "ctr1:"); SHOW_TOT(thr, activity[thr].ctr1); |
| 1181 | chunk_appendf(&trash, "ctr2:"); SHOW_TOT(thr, activity[thr].ctr2); |
Willy Tarreau | d6a7850 | 2019-05-27 07:03:38 +0200 | [diff] [blame] | 1182 | #endif |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1183 | |
| 1184 | if (ci_putchk(si_ic(si), &trash) == -1) { |
| 1185 | chunk_reset(&trash); |
| 1186 | chunk_printf(&trash, "[output too large, cannot dump]\n"); |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1187 | si_rx_room_blk(si); |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1188 | } |
| 1189 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1190 | #undef SHOW_AVG |
| 1191 | #undef SHOW_TOT |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1192 | /* dump complete */ |
| 1193 | return 1; |
| 1194 | } |
| 1195 | |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1196 | /* |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1197 | * CLI IO handler for `show cli sockets`. |
| 1198 | * Uses ctx.cli.p0 to store the restart pointer. |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1199 | */ |
| 1200 | static int cli_io_handler_show_cli_sock(struct appctx *appctx) |
| 1201 | { |
| 1202 | struct bind_conf *bind_conf; |
| 1203 | struct stream_interface *si = appctx->owner; |
| 1204 | |
| 1205 | chunk_reset(&trash); |
| 1206 | |
| 1207 | switch (appctx->st2) { |
| 1208 | case STAT_ST_INIT: |
| 1209 | chunk_printf(&trash, "# socket lvl processes\n"); |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1210 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1211 | si_rx_room_blk(si); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1212 | return 0; |
| 1213 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1214 | appctx->st2 = STAT_ST_LIST; |
| 1215 | |
| 1216 | case STAT_ST_LIST: |
| 1217 | if (global.stats_fe) { |
| 1218 | list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) { |
| 1219 | struct listener *l; |
| 1220 | |
| 1221 | /* |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1222 | * get the latest dumped node in appctx->ctx.cli.p0 |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1223 | * if the current node is the first of the list |
| 1224 | */ |
| 1225 | |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1226 | if (appctx->ctx.cli.p0 && |
| 1227 | &bind_conf->by_fe == (&global.stats_fe->conf.bind)->n) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1228 | /* change the current node to the latest dumped and continue the loop */ |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1229 | 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] | 1230 | continue; |
| 1231 | } |
| 1232 | |
| 1233 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 1234 | |
| 1235 | char addr[46]; |
| 1236 | char port[6]; |
| 1237 | |
| 1238 | if (l->addr.ss_family == AF_UNIX) { |
| 1239 | const struct sockaddr_un *un; |
| 1240 | |
| 1241 | un = (struct sockaddr_un *)&l->addr; |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1242 | if (un->sun_path[0] == '\0') { |
William Lallemand | 75812a7 | 2019-04-01 11:30:04 +0200 | [diff] [blame] | 1243 | chunk_appendf(&trash, "abns@%s ", un->sun_path+1); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1244 | } else { |
| 1245 | chunk_appendf(&trash, "unix@%s ", un->sun_path); |
| 1246 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1247 | } else if (l->addr.ss_family == AF_INET) { |
| 1248 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 1249 | port_to_str(&l->addr, port, sizeof(port)); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1250 | chunk_appendf(&trash, "ipv4@%s:%s ", addr, port); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1251 | } else if (l->addr.ss_family == AF_INET6) { |
| 1252 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 1253 | port_to_str(&l->addr, port, sizeof(port)); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1254 | chunk_appendf(&trash, "ipv6@[%s]:%s ", addr, port); |
William Lallemand | 2631434 | 2018-10-26 14:47:41 +0200 | [diff] [blame] | 1255 | } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) { |
| 1256 | 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] | 1257 | } else |
William Lallemand | 2631434 | 2018-10-26 14:47:41 +0200 | [diff] [blame] | 1258 | chunk_appendf(&trash, "unknown "); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1259 | |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1260 | if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN) |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1261 | chunk_appendf(&trash, "admin "); |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1262 | else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER) |
| 1263 | chunk_appendf(&trash, "operator "); |
| 1264 | else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_USER) |
| 1265 | chunk_appendf(&trash, "user "); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1266 | else |
| 1267 | chunk_appendf(&trash, " "); |
| 1268 | |
| 1269 | if (bind_conf->bind_proc != 0) { |
| 1270 | int pos; |
Willy Tarreau | 20c5e52 | 2016-12-16 12:50:55 +0100 | [diff] [blame] | 1271 | for (pos = 0; pos < 8 * sizeof(bind_conf->bind_proc); pos++) { |
Willy Tarreau | 4305ac7 | 2016-12-16 12:56:31 +0100 | [diff] [blame] | 1272 | if (bind_conf->bind_proc & (1UL << pos)) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1273 | chunk_appendf(&trash, "%d,", pos+1); |
| 1274 | } |
| 1275 | } |
| 1276 | /* replace the latest comma by a newline */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1277 | trash.area[trash.data-1] = '\n'; |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1278 | |
| 1279 | } else { |
| 1280 | chunk_appendf(&trash, "all\n"); |
| 1281 | } |
| 1282 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1283 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1284 | si_rx_room_blk(si); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1285 | return 0; |
| 1286 | } |
| 1287 | } |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1288 | 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] | 1289 | } |
| 1290 | } |
| 1291 | default: |
| 1292 | appctx->st2 = STAT_ST_FIN; |
| 1293 | return 1; |
| 1294 | } |
| 1295 | } |
| 1296 | |
| 1297 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1298 | /* 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] | 1299 | * wants to stop here. It puts the variable to be dumped into cli.p0 if a single |
| 1300 | * variable is requested otherwise puts environ there. |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1301 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1302 | 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] | 1303 | { |
| 1304 | extern char **environ; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1305 | char **var; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1306 | |
| 1307 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1308 | return 1; |
| 1309 | |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1310 | var = environ; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1311 | |
| 1312 | if (*args[2]) { |
| 1313 | int len = strlen(args[2]); |
| 1314 | |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1315 | for (; *var; var++) { |
| 1316 | if (strncmp(*var, args[2], len) == 0 && |
| 1317 | (*var)[len] == '=') |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1318 | break; |
| 1319 | } |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1320 | if (!*var) |
| 1321 | return cli_err(appctx, "Variable not found\n"); |
| 1322 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1323 | appctx->st2 = STAT_ST_END; |
| 1324 | } |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1325 | appctx->ctx.cli.p0 = var; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1326 | return 0; |
| 1327 | } |
| 1328 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1329 | /* parse a "show fd" CLI request. Returns 0 if it needs to continue, 1 if it |
| 1330 | * wants to stop here. It puts the FD number into cli.i0 if a specific FD is |
| 1331 | * requested and sets st2 to STAT_ST_END, otherwise leaves 0 in i0. |
| 1332 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1333 | 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] | 1334 | { |
| 1335 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1336 | return 1; |
| 1337 | |
| 1338 | appctx->ctx.cli.i0 = 0; |
| 1339 | |
| 1340 | if (*args[2]) { |
| 1341 | appctx->ctx.cli.i0 = atoi(args[2]); |
| 1342 | appctx->st2 = STAT_ST_END; |
| 1343 | } |
| 1344 | return 0; |
| 1345 | } |
| 1346 | |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1347 | /* parse a "set timeout" CLI request. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1348 | 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] | 1349 | { |
| 1350 | struct stream_interface *si = appctx->owner; |
| 1351 | struct stream *s = si_strm(si); |
| 1352 | |
| 1353 | if (strcmp(args[2], "cli") == 0) { |
| 1354 | unsigned timeout; |
| 1355 | const char *res; |
| 1356 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1357 | if (!*args[3]) |
| 1358 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1359 | |
| 1360 | res = parse_time_err(args[3], &timeout, TIME_UNIT_S); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1361 | if (res || timeout < 1) |
| 1362 | return cli_err(appctx, "Invalid timeout value.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1363 | |
| 1364 | s->req.rto = s->res.wto = 1 + MS_TO_TICKS(timeout*1000); |
| 1365 | task_wakeup(s->task, TASK_WOKEN_MSG); // recompute timeouts |
| 1366 | return 1; |
| 1367 | } |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1368 | |
| 1369 | return cli_err(appctx, "'set timeout' only supports 'cli'.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1370 | } |
| 1371 | |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1372 | /* parse a "set maxconn global" command. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1373 | 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] | 1374 | { |
| 1375 | int v; |
| 1376 | |
| 1377 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1378 | return 1; |
| 1379 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1380 | if (!*args[3]) |
| 1381 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1382 | |
| 1383 | v = atoi(args[3]); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1384 | if (v > global.hardmaxconn) |
| 1385 | return cli_err(appctx, "Value out of range.\n"); |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1386 | |
| 1387 | /* check for unlimited values */ |
| 1388 | if (v <= 0) |
| 1389 | v = global.hardmaxconn; |
| 1390 | |
| 1391 | global.maxconn = v; |
| 1392 | |
| 1393 | /* Dequeues all of the listeners waiting for a resource */ |
Olivier Houchard | 859dc80 | 2019-08-08 15:47:21 +0200 | [diff] [blame] | 1394 | if (!MT_LIST_ISEMPTY(&global_listener_queue)) |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1395 | dequeue_all_listeners(&global_listener_queue); |
| 1396 | |
| 1397 | return 1; |
| 1398 | } |
| 1399 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1400 | static int set_severity_output(int *target, char *argument) |
| 1401 | { |
| 1402 | if (!strcmp(argument, "none")) { |
| 1403 | *target = CLI_SEVERITY_NONE; |
| 1404 | return 1; |
| 1405 | } |
| 1406 | else if (!strcmp(argument, "number")) { |
| 1407 | *target = CLI_SEVERITY_NUMBER; |
| 1408 | return 1; |
| 1409 | } |
| 1410 | else if (!strcmp(argument, "string")) { |
| 1411 | *target = CLI_SEVERITY_STRING; |
| 1412 | return 1; |
| 1413 | } |
| 1414 | return 0; |
| 1415 | } |
| 1416 | |
| 1417 | /* parse a "set severity-output" command. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1418 | 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] | 1419 | { |
| 1420 | if (*args[2] && set_severity_output(&appctx->cli_severity_output, args[2])) |
| 1421 | return 0; |
| 1422 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1423 | return cli_err(appctx, "one of 'none', 'number', 'string' is a required argument\n"); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1424 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1425 | |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1426 | |
| 1427 | /* show the level of the current CLI session */ |
| 1428 | static int cli_parse_show_lvl(char **args, char *payload, struct appctx *appctx, void *private) |
| 1429 | { |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1430 | if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1431 | return cli_msg(appctx, LOG_INFO, "admin\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1432 | else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1433 | return cli_msg(appctx, LOG_INFO, "operator\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1434 | else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_USER) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1435 | return cli_msg(appctx, LOG_INFO, "user\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1436 | else |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1437 | return cli_msg(appctx, LOG_INFO, "unknown\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1438 | } |
| 1439 | |
| 1440 | /* parse and set the CLI level dynamically */ |
| 1441 | static int cli_parse_set_lvl(char **args, char *payload, struct appctx *appctx, void *private) |
| 1442 | { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 1443 | /* this will ask the applet to not output a \n after the command */ |
| 1444 | if (!strcmp(args[1], "-")) |
| 1445 | appctx->st1 |= APPCTX_CLI_ST1_NOLF; |
| 1446 | |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1447 | if (!strcmp(args[0], "operator")) { |
| 1448 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) { |
| 1449 | return 1; |
| 1450 | } |
| 1451 | appctx->cli_level &= ~ACCESS_LVL_MASK; |
| 1452 | appctx->cli_level |= ACCESS_LVL_OPER; |
| 1453 | |
| 1454 | } else if (!strcmp(args[0], "user")) { |
| 1455 | if (!cli_has_level(appctx, ACCESS_LVL_USER)) { |
| 1456 | return 1; |
| 1457 | } |
| 1458 | appctx->cli_level &= ~ACCESS_LVL_MASK; |
| 1459 | appctx->cli_level |= ACCESS_LVL_USER; |
| 1460 | } |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 1461 | appctx->cli_level &= ~ACCESS_EXPERT; |
| 1462 | return 1; |
| 1463 | } |
| 1464 | |
| 1465 | |
| 1466 | /* parse and set the CLI expert-mode dynamically */ |
| 1467 | static int cli_parse_expert_mode(char **args, char *payload, struct appctx *appctx, void *private) |
| 1468 | { |
| 1469 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1470 | return 1; |
| 1471 | |
| 1472 | if (!*args[1]) |
| 1473 | return (appctx->cli_level & ACCESS_EXPERT) |
| 1474 | ? cli_msg(appctx, LOG_INFO, "expert-mode is ON\n") |
| 1475 | : cli_msg(appctx, LOG_INFO, "expert-mode is OFF\n"); |
| 1476 | |
| 1477 | appctx->cli_level &= ~ACCESS_EXPERT; |
| 1478 | if (strcmp(args[1], "on") == 0) |
| 1479 | appctx->cli_level |= ACCESS_EXPERT; |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1480 | return 1; |
| 1481 | } |
| 1482 | |
William Lallemand | a57b7e3 | 2018-12-14 21:11:31 +0100 | [diff] [blame] | 1483 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1484 | 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] | 1485 | { |
| 1486 | return 0; |
| 1487 | } |
| 1488 | |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1489 | /* parse a "set rate-limit" command. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1490 | 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] | 1491 | { |
| 1492 | int v; |
| 1493 | int *res; |
| 1494 | int mul = 1; |
| 1495 | |
| 1496 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1497 | return 1; |
| 1498 | |
| 1499 | if (strcmp(args[2], "connections") == 0 && strcmp(args[3], "global") == 0) |
| 1500 | res = &global.cps_lim; |
| 1501 | else if (strcmp(args[2], "sessions") == 0 && strcmp(args[3], "global") == 0) |
| 1502 | res = &global.sps_lim; |
| 1503 | #ifdef USE_OPENSSL |
| 1504 | else if (strcmp(args[2], "ssl-sessions") == 0 && strcmp(args[3], "global") == 0) |
| 1505 | res = &global.ssl_lim; |
| 1506 | #endif |
| 1507 | else if (strcmp(args[2], "http-compression") == 0 && strcmp(args[3], "global") == 0) { |
| 1508 | res = &global.comp_rate_lim; |
| 1509 | mul = 1024; |
| 1510 | } |
| 1511 | else { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1512 | return cli_err(appctx, |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1513 | "'set rate-limit' only supports :\n" |
| 1514 | " - 'connections global' to set the per-process maximum connection rate\n" |
| 1515 | " - 'sessions global' to set the per-process maximum session rate\n" |
| 1516 | #ifdef USE_OPENSSL |
Aurélien Nephtali | b53e208 | 2018-03-11 16:55:02 +0100 | [diff] [blame] | 1517 | " - '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] | 1518 | #endif |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1519 | " - 'http-compression global' to set the per-process maximum compression speed in kB/s\n"); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1520 | } |
| 1521 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1522 | if (!*args[4]) |
| 1523 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1524 | |
| 1525 | v = atoi(args[4]); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1526 | if (v < 0) |
| 1527 | return cli_err(appctx, "Value out of range.\n"); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1528 | |
| 1529 | *res = v * mul; |
| 1530 | |
| 1531 | /* Dequeues all of the listeners waiting for a resource */ |
Olivier Houchard | 859dc80 | 2019-08-08 15:47:21 +0200 | [diff] [blame] | 1532 | if (!MT_LIST_ISEMPTY(&global_listener_queue)) |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1533 | dequeue_all_listeners(&global_listener_queue); |
| 1534 | |
| 1535 | return 1; |
| 1536 | } |
| 1537 | |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1538 | /* parse the "expose-fd" argument on the bind lines */ |
| 1539 | static int bind_parse_expose_fd(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1540 | { |
| 1541 | if (!*args[cur_arg + 1]) { |
| 1542 | memprintf(err, "'%s' : missing fd type", args[cur_arg]); |
| 1543 | return ERR_ALERT | ERR_FATAL; |
| 1544 | } |
| 1545 | if (!strcmp(args[cur_arg+1], "listeners")) { |
| 1546 | conf->level |= ACCESS_FD_LISTENERS; |
| 1547 | } else { |
| 1548 | memprintf(err, "'%s' only supports 'listeners' (got '%s')", |
| 1549 | args[cur_arg], args[cur_arg+1]); |
| 1550 | return ERR_ALERT | ERR_FATAL; |
| 1551 | } |
| 1552 | |
| 1553 | return 0; |
| 1554 | } |
| 1555 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1556 | /* parse the "level" argument on the bind lines */ |
| 1557 | static int bind_parse_level(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1558 | { |
| 1559 | if (!*args[cur_arg + 1]) { |
| 1560 | memprintf(err, "'%s' : missing level", args[cur_arg]); |
| 1561 | return ERR_ALERT | ERR_FATAL; |
| 1562 | } |
| 1563 | |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1564 | if (!strcmp(args[cur_arg+1], "user")) { |
| 1565 | conf->level &= ~ACCESS_LVL_MASK; |
| 1566 | conf->level |= ACCESS_LVL_USER; |
| 1567 | } else if (!strcmp(args[cur_arg+1], "operator")) { |
| 1568 | conf->level &= ~ACCESS_LVL_MASK; |
| 1569 | conf->level |= ACCESS_LVL_OPER; |
| 1570 | } else if (!strcmp(args[cur_arg+1], "admin")) { |
| 1571 | conf->level &= ~ACCESS_LVL_MASK; |
| 1572 | conf->level |= ACCESS_LVL_ADMIN; |
| 1573 | } else { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1574 | memprintf(err, "'%s' only supports 'user', 'operator', and 'admin' (got '%s')", |
| 1575 | args[cur_arg], args[cur_arg+1]); |
| 1576 | return ERR_ALERT | ERR_FATAL; |
| 1577 | } |
| 1578 | |
| 1579 | return 0; |
| 1580 | } |
| 1581 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1582 | static int bind_parse_severity_output(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1583 | { |
| 1584 | if (!*args[cur_arg + 1]) { |
| 1585 | memprintf(err, "'%s' : missing severity format", args[cur_arg]); |
| 1586 | return ERR_ALERT | ERR_FATAL; |
| 1587 | } |
| 1588 | |
| 1589 | if (set_severity_output(&conf->severity_output, args[cur_arg+1])) |
| 1590 | return 0; |
| 1591 | else { |
| 1592 | memprintf(err, "'%s' only supports 'none', 'number', and 'string' (got '%s')", |
| 1593 | args[cur_arg], args[cur_arg+1]); |
| 1594 | return ERR_ALERT | ERR_FATAL; |
| 1595 | } |
| 1596 | } |
| 1597 | |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1598 | |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1599 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1600 | /* Send all the bound sockets, always returns 1 */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1601 | static int _getsocks(char **args, char *payload, struct appctx *appctx, void *private) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1602 | { |
| 1603 | char *cmsgbuf = NULL; |
| 1604 | unsigned char *tmpbuf = NULL; |
| 1605 | struct cmsghdr *cmsg; |
| 1606 | struct stream_interface *si = appctx->owner; |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1607 | struct stream *s = si_strm(si); |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 1608 | struct connection *remote = cs_conn(objt_cs(si_opposite(si)->end)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1609 | struct msghdr msghdr; |
| 1610 | struct iovec iov; |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1611 | struct timeval tv = { .tv_sec = 1, .tv_usec = 0 }; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1612 | int *tmpfd; |
| 1613 | int tot_fd_nb = 0; |
| 1614 | struct proxy *px; |
| 1615 | int i = 0; |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1616 | int fd = -1; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1617 | int curoff = 0; |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1618 | int old_fcntl = -1; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1619 | int ret; |
| 1620 | |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1621 | if (!remote) { |
| 1622 | ha_warning("Only works on real connections\n"); |
| 1623 | goto out; |
| 1624 | } |
| 1625 | |
| 1626 | fd = remote->handle.fd; |
| 1627 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1628 | /* Temporary set the FD in blocking mode, that will make our life easier */ |
| 1629 | old_fcntl = fcntl(fd, F_GETFL); |
| 1630 | if (old_fcntl < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1631 | ha_warning("Couldn't get the flags for the unix socket\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1632 | goto out; |
| 1633 | } |
| 1634 | cmsgbuf = malloc(CMSG_SPACE(sizeof(int) * MAX_SEND_FD)); |
| 1635 | if (!cmsgbuf) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1636 | ha_warning("Failed to allocate memory to send sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1637 | goto out; |
| 1638 | } |
| 1639 | if (fcntl(fd, F_SETFL, old_fcntl &~ O_NONBLOCK) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1640 | ha_warning("Cannot make the unix socket blocking\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1641 | goto out; |
| 1642 | } |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1643 | setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (void *)&tv, sizeof(tv)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1644 | iov.iov_base = &tot_fd_nb; |
| 1645 | iov.iov_len = sizeof(tot_fd_nb); |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1646 | if (!(strm_li(s)->bind_conf->level & ACCESS_FD_LISTENERS)) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1647 | goto out; |
| 1648 | memset(&msghdr, 0, sizeof(msghdr)); |
| 1649 | /* |
| 1650 | * First, calculates the total number of FD, so that we can let |
| 1651 | * the caller know how much he should expects. |
| 1652 | */ |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1653 | px = proxies_list; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1654 | while (px) { |
| 1655 | struct listener *l; |
| 1656 | |
| 1657 | list_for_each_entry(l, &px->conf.listeners, by_fe) { |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 1658 | /* Only transfer IPv4/IPv6/UNIX sockets */ |
| 1659 | if (l->state >= LI_ZOMBIE && |
| 1660 | (l->proto->sock_family == AF_INET || |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1661 | l->proto->sock_family == AF_INET6 || |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 1662 | l->proto->sock_family == AF_UNIX)) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1663 | tot_fd_nb++; |
| 1664 | } |
| 1665 | px = px->next; |
| 1666 | } |
| 1667 | if (tot_fd_nb == 0) |
| 1668 | goto out; |
| 1669 | |
| 1670 | /* First send the total number of file descriptors, so that the |
| 1671 | * receiving end knows what to expect. |
| 1672 | */ |
| 1673 | msghdr.msg_iov = &iov; |
| 1674 | msghdr.msg_iovlen = 1; |
| 1675 | ret = sendmsg(fd, &msghdr, 0); |
| 1676 | if (ret != sizeof(tot_fd_nb)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1677 | ha_warning("Failed to send the number of sockets to send\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1678 | goto out; |
| 1679 | } |
| 1680 | |
| 1681 | /* Now send the fds */ |
| 1682 | msghdr.msg_control = cmsgbuf; |
| 1683 | msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * MAX_SEND_FD); |
| 1684 | cmsg = CMSG_FIRSTHDR(&msghdr); |
| 1685 | cmsg->cmsg_len = CMSG_LEN(MAX_SEND_FD * sizeof(int)); |
| 1686 | cmsg->cmsg_level = SOL_SOCKET; |
| 1687 | cmsg->cmsg_type = SCM_RIGHTS; |
| 1688 | tmpfd = (int *)CMSG_DATA(cmsg); |
| 1689 | |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1690 | px = proxies_list; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1691 | /* For each socket, e message is sent, containing the following : |
| 1692 | * Size of the namespace name (or 0 if none), as an unsigned char. |
| 1693 | * The namespace name, if any |
| 1694 | * Size of the interface name (or 0 if none), as an unsigned char |
| 1695 | * The interface name, if any |
| 1696 | * Listener options, as an int. |
| 1697 | */ |
| 1698 | /* We will send sockets MAX_SEND_FD per MAX_SEND_FD, allocate a |
| 1699 | * buffer big enough to store the socket informations. |
| 1700 | */ |
Olivier Houchard | f143b80 | 2017-11-04 15:13:01 +0100 | [diff] [blame] | 1701 | tmpbuf = malloc(MAX_SEND_FD * (1 + MAXPATHLEN + 1 + IFNAMSIZ + sizeof(int))); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1702 | if (tmpbuf == NULL) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1703 | ha_warning("Failed to allocate memory to transfer socket informations\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1704 | goto out; |
| 1705 | } |
| 1706 | iov.iov_base = tmpbuf; |
| 1707 | while (px) { |
| 1708 | struct listener *l; |
| 1709 | |
| 1710 | list_for_each_entry(l, &px->conf.listeners, by_fe) { |
| 1711 | int ret; |
| 1712 | /* Only transfer IPv4/IPv6 sockets */ |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 1713 | if (l->state >= LI_ZOMBIE && |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1714 | (l->proto->sock_family == AF_INET || |
| 1715 | l->proto->sock_family == AF_INET6 || |
| 1716 | l->proto->sock_family == AF_UNIX)) { |
| 1717 | memcpy(&tmpfd[i % MAX_SEND_FD], &l->fd, sizeof(l->fd)); |
| 1718 | if (!l->netns) |
| 1719 | tmpbuf[curoff++] = 0; |
Willy Tarreau | e573323 | 2019-05-22 19:24:06 +0200 | [diff] [blame] | 1720 | #ifdef USE_NS |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1721 | else { |
| 1722 | char *name = l->netns->node.key; |
| 1723 | unsigned char len = l->netns->name_len; |
| 1724 | tmpbuf[curoff++] = len; |
| 1725 | memcpy(tmpbuf + curoff, name, len); |
| 1726 | curoff += len; |
| 1727 | } |
| 1728 | #endif |
| 1729 | if (l->interface) { |
| 1730 | unsigned char len = strlen(l->interface); |
| 1731 | tmpbuf[curoff++] = len; |
| 1732 | memcpy(tmpbuf + curoff, l->interface, len); |
| 1733 | curoff += len; |
| 1734 | } else |
| 1735 | tmpbuf[curoff++] = 0; |
| 1736 | memcpy(tmpbuf + curoff, &l->options, |
| 1737 | sizeof(l->options)); |
| 1738 | curoff += sizeof(l->options); |
| 1739 | |
| 1740 | |
| 1741 | i++; |
| 1742 | } else |
| 1743 | continue; |
| 1744 | if ((!(i % MAX_SEND_FD))) { |
| 1745 | iov.iov_len = curoff; |
| 1746 | if (sendmsg(fd, &msghdr, 0) != curoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1747 | ha_warning("Failed to transfer sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1748 | goto out; |
| 1749 | } |
| 1750 | /* Wait for an ack */ |
| 1751 | do { |
| 1752 | ret = recv(fd, &tot_fd_nb, |
| 1753 | sizeof(tot_fd_nb), 0); |
| 1754 | } while (ret == -1 && errno == EINTR); |
| 1755 | if (ret <= 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1756 | ha_warning("Unexpected error while transferring sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1757 | goto out; |
| 1758 | } |
| 1759 | curoff = 0; |
| 1760 | } |
| 1761 | |
| 1762 | } |
| 1763 | px = px->next; |
| 1764 | } |
| 1765 | if (i % MAX_SEND_FD) { |
| 1766 | iov.iov_len = curoff; |
| 1767 | cmsg->cmsg_len = CMSG_LEN((i % MAX_SEND_FD) * sizeof(int)); |
| 1768 | msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * (i % MAX_SEND_FD)); |
| 1769 | if (sendmsg(fd, &msghdr, 0) != curoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1770 | ha_warning("Failed to transfer sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1771 | goto out; |
| 1772 | } |
| 1773 | } |
| 1774 | |
| 1775 | out: |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1776 | 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] | 1777 | ha_warning("Cannot make the unix socket non-blocking\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1778 | goto out; |
| 1779 | } |
| 1780 | appctx->st0 = CLI_ST_END; |
| 1781 | free(cmsgbuf); |
| 1782 | free(tmpbuf); |
| 1783 | return 1; |
| 1784 | } |
| 1785 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1786 | static int cli_parse_simple(char **args, char *payload, struct appctx *appctx, void *private) |
| 1787 | { |
| 1788 | if (*args[0] == 'h') |
| 1789 | /* help */ |
| 1790 | cli_gen_usage_msg(appctx); |
| 1791 | else if (*args[0] == 'p') |
| 1792 | /* prompt */ |
| 1793 | appctx->st1 ^= APPCTX_CLI_ST1_PROMPT; |
| 1794 | else if (*args[0] == 'q') |
| 1795 | /* quit */ |
| 1796 | appctx->st0 = CLI_ST_END; |
| 1797 | |
| 1798 | return 1; |
| 1799 | } |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1800 | |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 1801 | void pcli_write_prompt(struct stream *s) |
| 1802 | { |
| 1803 | struct buffer *msg = get_trash_chunk(); |
| 1804 | struct channel *oc = si_oc(&s->si[0]); |
| 1805 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 1806 | if (!(s->pcli_flags & PCLI_F_PROMPT)) |
William Lallemand | 5b80fa2 | 2018-12-11 16:10:54 +0100 | [diff] [blame] | 1807 | return; |
| 1808 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 1809 | if (s->pcli_flags & PCLI_F_PAYLOAD) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 1810 | chunk_appendf(msg, "+ "); |
| 1811 | } else { |
| 1812 | if (s->pcli_next_pid == 0) |
Willy Tarreau | 52880f9 | 2018-12-15 13:30:03 +0100 | [diff] [blame] | 1813 | chunk_appendf(msg, "master%s> ", |
| 1814 | (global.mode & MODE_MWORKER_WAIT) ? "[ReloadFailed]" : ""); |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 1815 | else |
| 1816 | chunk_appendf(msg, "%d> ", s->pcli_next_pid); |
| 1817 | } |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 1818 | co_inject(oc, msg->area, msg->data); |
| 1819 | } |
| 1820 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1821 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1822 | /* The pcli_* functions are used for the CLI proxy in the master */ |
| 1823 | |
William Lallemand | deeaa59 | 2018-10-26 14:47:48 +0200 | [diff] [blame] | 1824 | void pcli_reply_and_close(struct stream *s, const char *msg) |
| 1825 | { |
| 1826 | struct buffer *buf = get_trash_chunk(); |
| 1827 | |
| 1828 | chunk_initstr(buf, msg); |
Willy Tarreau | 14bfe9a | 2018-12-19 15:19:27 +0100 | [diff] [blame] | 1829 | si_retnclose(&s->si[0], buf); |
William Lallemand | deeaa59 | 2018-10-26 14:47:48 +0200 | [diff] [blame] | 1830 | } |
| 1831 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1832 | static enum obj_type *pcli_pid_to_server(int proc_pid) |
| 1833 | { |
| 1834 | struct mworker_proc *child; |
| 1835 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 1836 | /* return the CLI applet of the master */ |
| 1837 | if (proc_pid == 0) |
| 1838 | return &cli_applet.obj_type; |
| 1839 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1840 | list_for_each_entry(child, &proc_list, list) { |
| 1841 | if (child->pid == proc_pid){ |
| 1842 | return &child->srv->obj_type; |
| 1843 | } |
| 1844 | } |
| 1845 | return NULL; |
| 1846 | } |
| 1847 | |
| 1848 | /* Take a CLI prefix in argument (eg: @!1234 @master @1) |
| 1849 | * Return: |
| 1850 | * 0: master |
| 1851 | * > 0: pid of a worker |
| 1852 | * < 0: didn't find a worker |
| 1853 | */ |
| 1854 | static int pcli_prefix_to_pid(const char *prefix) |
| 1855 | { |
| 1856 | int proc_pid; |
| 1857 | struct mworker_proc *child; |
| 1858 | char *errtol = NULL; |
| 1859 | |
| 1860 | if (*prefix != '@') /* not a prefix, should not happen */ |
| 1861 | return -1; |
| 1862 | |
| 1863 | prefix++; |
| 1864 | if (!*prefix) /* sent @ alone, return the master */ |
| 1865 | return 0; |
| 1866 | |
| 1867 | if (strcmp("master", prefix) == 0) { |
| 1868 | return 0; |
| 1869 | } else if (*prefix == '!') { |
| 1870 | prefix++; |
| 1871 | if (!*prefix) |
| 1872 | return -1; |
| 1873 | |
| 1874 | proc_pid = strtol(prefix, &errtol, 10); |
| 1875 | if (*errtol != '\0') |
| 1876 | return -1; |
| 1877 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 8f7069a | 2019-04-12 16:09:23 +0200 | [diff] [blame] | 1878 | if (!(child->options & PROC_O_TYPE_WORKER)) |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1879 | continue; |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1880 | if (child->pid == proc_pid){ |
| 1881 | return child->pid; |
| 1882 | } |
| 1883 | } |
| 1884 | } else { |
| 1885 | struct mworker_proc *chosen = NULL; |
| 1886 | /* this is a relative pid */ |
| 1887 | |
| 1888 | proc_pid = strtol(prefix, &errtol, 10); |
| 1889 | if (*errtol != '\0') |
| 1890 | return -1; |
| 1891 | |
| 1892 | if (proc_pid == 0) /* return the master */ |
| 1893 | return 0; |
| 1894 | |
| 1895 | /* chose the right process, the current one is the one with the |
| 1896 | least number of reloads */ |
| 1897 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 8f7069a | 2019-04-12 16:09:23 +0200 | [diff] [blame] | 1898 | if (!(child->options & PROC_O_TYPE_WORKER)) |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1899 | continue; |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1900 | if (child->relative_pid == proc_pid){ |
| 1901 | if (child->reloads == 0) |
| 1902 | return child->pid; |
| 1903 | else if (chosen == NULL || child->reloads < chosen->reloads) |
| 1904 | chosen = child; |
| 1905 | } |
| 1906 | } |
| 1907 | if (chosen) |
| 1908 | return chosen->pid; |
| 1909 | } |
| 1910 | return -1; |
| 1911 | } |
| 1912 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 1913 | /* Return:: |
| 1914 | * >= 0 : number of words to escape |
| 1915 | * = -1 : error |
| 1916 | */ |
| 1917 | |
| 1918 | int pcli_find_and_exec_kw(struct stream *s, char **args, int argl, char **errmsg, int *next_pid) |
| 1919 | { |
| 1920 | if (argl < 1) |
| 1921 | return 0; |
| 1922 | |
| 1923 | /* there is a prefix */ |
| 1924 | if (args[0][0] == '@') { |
| 1925 | int target_pid = pcli_prefix_to_pid(args[0]); |
| 1926 | |
| 1927 | if (target_pid == -1) { |
| 1928 | memprintf(errmsg, "Can't find the target PID matching the prefix '%s'\n", args[0]); |
| 1929 | return -1; |
| 1930 | } |
| 1931 | |
| 1932 | /* if the prefix is alone, define a default target */ |
| 1933 | if (argl == 1) |
| 1934 | s->pcli_next_pid = target_pid; |
| 1935 | else |
| 1936 | *next_pid = target_pid; |
| 1937 | return 1; |
William Lallemand | 5b80fa2 | 2018-12-11 16:10:54 +0100 | [diff] [blame] | 1938 | } else if (!strcmp("prompt", args[0])) { |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 1939 | s->pcli_flags ^= PCLI_F_PROMPT; |
William Lallemand | 5b80fa2 | 2018-12-11 16:10:54 +0100 | [diff] [blame] | 1940 | return argl; /* return the number of elements in the array */ |
William Lallemand | 5f61068 | 2018-12-11 16:10:55 +0100 | [diff] [blame] | 1941 | |
| 1942 | } else if (!strcmp("quit", args[0])) { |
| 1943 | channel_shutr_now(&s->req); |
| 1944 | channel_shutw_now(&s->res); |
| 1945 | return argl; /* return the number of elements in the array */ |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 1946 | } else if (!strcmp(args[0], "operator")) { |
| 1947 | if (!pcli_has_level(s, ACCESS_LVL_OPER)) { |
| 1948 | memprintf(errmsg, "Permission denied!\n"); |
| 1949 | return -1; |
| 1950 | } |
| 1951 | s->pcli_flags &= ~ACCESS_LVL_MASK; |
| 1952 | s->pcli_flags |= ACCESS_LVL_OPER; |
| 1953 | return argl; |
| 1954 | |
| 1955 | } else if (!strcmp(args[0], "user")) { |
| 1956 | if (!pcli_has_level(s, ACCESS_LVL_USER)) { |
| 1957 | memprintf(errmsg, "Permission denied!\n"); |
| 1958 | return -1; |
| 1959 | } |
| 1960 | s->pcli_flags &= ~ACCESS_LVL_MASK; |
| 1961 | s->pcli_flags |= ACCESS_LVL_USER; |
| 1962 | return argl; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 1963 | } |
| 1964 | |
| 1965 | return 0; |
| 1966 | } |
| 1967 | |
| 1968 | /* |
| 1969 | * Parse the CLI request: |
| 1970 | * - It does basically the same as the cli_io_handler, but as a proxy |
| 1971 | * - It can exec a command and strip non forwardable commands |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1972 | * |
| 1973 | * Return: |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 1974 | * - the number of characters to forward or |
| 1975 | * - 1 if there is an error or not enough data |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1976 | */ |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 1977 | int pcli_parse_request(struct stream *s, struct channel *req, char **errmsg, int *next_pid) |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1978 | { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [ |