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 | |
Willy Tarreau | 4c7e4b7 | 2020-05-27 12:58:42 +0200 | [diff] [blame] | 29 | #include <haproxy/api.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 30 | #include <common/cfgparse.h> |
Willy Tarreau | 853b297 | 2020-05-27 18:01:47 +0200 | [diff] [blame] | 31 | #include <haproxy/list.h> |
Willy Tarreau | 48fbcae | 2020-06-03 18:09:46 +0200 | [diff] [blame] | 32 | #include <haproxy/tools.h> |
Willy Tarreau | c2f7c58 | 2020-06-02 18:15:32 +0200 | [diff] [blame] | 33 | #include <haproxy/ticks.h> |
Willy Tarreau | 92b4f13 | 2020-06-01 11:05:15 +0200 | [diff] [blame] | 34 | #include <haproxy/time.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 35 | #include <common/uri_auth.h> |
Willy Tarreau | d678805 | 2020-05-27 15:59:00 +0200 | [diff] [blame] | 36 | #include <haproxy/version.h> |
Willy Tarreau | 8d36697 | 2020-05-27 16:10:29 +0200 | [diff] [blame] | 37 | #include <haproxy/base64.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 38 | |
| 39 | #include <types/applet.h> |
| 40 | #include <types/global.h> |
| 41 | #include <types/dns.h> |
William Lallemand | 9ed6203 | 2016-11-21 17:49:11 +0100 | [diff] [blame] | 42 | #include <types/stats.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 43 | |
Willy Tarreau | a04ded5 | 2020-06-02 10:29:48 +0200 | [diff] [blame] | 44 | #include <haproxy/activity.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 45 | #include <proto/backend.h> |
| 46 | #include <proto/channel.h> |
| 47 | #include <proto/checks.h> |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 48 | #include <proto/cli.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 49 | #include <proto/compression.h> |
William Lallemand | 9ed6203 | 2016-11-21 17:49:11 +0100 | [diff] [blame] | 50 | #include <proto/stats.h> |
Willy Tarreau | 0f6ffd6 | 2020-06-03 19:33:00 +0200 | [diff] [blame] | 51 | #include <haproxy/fd.h> |
Willy Tarreau | 6634794 | 2020-06-01 12:18:08 +0200 | [diff] [blame] | 52 | #include <haproxy/freq_ctr.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 53 | #include <proto/frontend.h> |
| 54 | #include <proto/log.h> |
| 55 | #include <proto/pattern.h> |
Willy Tarreau | 551271d | 2020-06-04 08:32:23 +0200 | [diff] [blame] | 56 | #include <haproxy/pipe.h> |
Willy Tarreau | 2dd7c35 | 2020-06-03 15:26:55 +0200 | [diff] [blame] | 57 | #include <haproxy/protocol.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 58 | #include <proto/listener.h> |
| 59 | #include <proto/map.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 60 | #include <proto/proxy.h> |
| 61 | #include <proto/sample.h> |
| 62 | #include <proto/session.h> |
| 63 | #include <proto/stream.h> |
| 64 | #include <proto/server.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 65 | #include <proto/stream_interface.h> |
| 66 | #include <proto/task.h> |
| 67 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 68 | #define PAYLOAD_PATTERN "<<" |
| 69 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 70 | static struct applet cli_applet; |
| 71 | |
| 72 | static const char stats_sock_usage_msg[] = |
| 73 | "Unknown command. Please enter one of the following commands only :\n" |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 74 | " help : this message\n" |
| 75 | " prompt : toggle interactive mode with prompt\n" |
| 76 | " quit : disconnect\n" |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 77 | ""; |
| 78 | |
| 79 | static const char stats_permission_denied_msg[] = |
| 80 | "Permission denied\n" |
| 81 | ""; |
| 82 | |
| 83 | |
Christopher Faulet | 1bc04c7 | 2017-10-29 20:14:08 +0100 | [diff] [blame] | 84 | static THREAD_LOCAL char *dynamic_usage_msg = NULL; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 85 | |
| 86 | /* List head of cli keywords */ |
| 87 | static struct cli_kw_list cli_keywords = { |
| 88 | .list = LIST_HEAD_INIT(cli_keywords.list) |
| 89 | }; |
| 90 | |
| 91 | extern const char *stat_status_codes[]; |
| 92 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 93 | static struct proxy *mworker_proxy; /* CLI proxy of the master */ |
| 94 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 95 | static char *cli_gen_usage_msg(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 96 | { |
| 97 | struct cli_kw_list *kw_list; |
| 98 | struct cli_kw *kw; |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 99 | struct buffer *tmp = get_trash_chunk(); |
| 100 | struct buffer out; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 101 | |
| 102 | free(dynamic_usage_msg); |
| 103 | dynamic_usage_msg = NULL; |
| 104 | |
| 105 | if (LIST_ISEMPTY(&cli_keywords.list)) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 106 | goto end; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 107 | |
| 108 | chunk_reset(tmp); |
| 109 | chunk_strcat(tmp, stats_sock_usage_msg); |
| 110 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 111 | kw = &kw_list->kw[0]; |
William Lallemand | 0154edc | 2018-05-15 11:50:04 +0200 | [diff] [blame] | 112 | while (kw->str_kw[0]) { |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 113 | |
| 114 | /* in a worker or normal process, don't display master only commands */ |
| 115 | if (master == 0 && (kw->level & ACCESS_MASTER_ONLY)) |
| 116 | goto next_kw; |
| 117 | |
| 118 | /* in master don't displays if we don't have the master bits */ |
| 119 | if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER))) |
| 120 | goto next_kw; |
| 121 | |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 122 | /* only show expert commands in expert mode */ |
| 123 | if ((kw->level & ~appctx->cli_level) & ACCESS_EXPERT) |
| 124 | goto next_kw; |
| 125 | |
William Lallemand | 0154edc | 2018-05-15 11:50:04 +0200 | [diff] [blame] | 126 | if (kw->usage) |
| 127 | chunk_appendf(tmp, " %s\n", kw->usage); |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 128 | |
| 129 | next_kw: |
| 130 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 131 | kw++; |
| 132 | } |
| 133 | } |
| 134 | chunk_init(&out, NULL, 0); |
| 135 | chunk_dup(&out, tmp); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 136 | dynamic_usage_msg = out.area; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 137 | |
| 138 | end: |
| 139 | if (dynamic_usage_msg) { |
| 140 | appctx->ctx.cli.severity = LOG_INFO; |
| 141 | appctx->ctx.cli.msg = dynamic_usage_msg; |
| 142 | } |
| 143 | else { |
| 144 | appctx->ctx.cli.severity = LOG_INFO; |
| 145 | appctx->ctx.cli.msg = stats_sock_usage_msg; |
| 146 | } |
| 147 | appctx->st0 = CLI_ST_PRINT; |
| 148 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 149 | return dynamic_usage_msg; |
| 150 | } |
| 151 | |
| 152 | struct cli_kw* cli_find_kw(char **args) |
| 153 | { |
| 154 | struct cli_kw_list *kw_list; |
| 155 | struct cli_kw *kw;/* current cli_kw */ |
| 156 | char **tmp_args; |
| 157 | const char **tmp_str_kw; |
| 158 | int found = 0; |
| 159 | |
| 160 | if (LIST_ISEMPTY(&cli_keywords.list)) |
| 161 | return NULL; |
| 162 | |
| 163 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 164 | kw = &kw_list->kw[0]; |
| 165 | while (*kw->str_kw) { |
| 166 | tmp_args = args; |
| 167 | tmp_str_kw = kw->str_kw; |
| 168 | while (*tmp_str_kw) { |
| 169 | if (strcmp(*tmp_str_kw, *tmp_args) == 0) { |
| 170 | found = 1; |
| 171 | } else { |
| 172 | found = 0; |
| 173 | break; |
| 174 | } |
| 175 | tmp_args++; |
| 176 | tmp_str_kw++; |
| 177 | } |
| 178 | if (found) |
| 179 | return (kw); |
| 180 | kw++; |
| 181 | } |
| 182 | } |
| 183 | return NULL; |
| 184 | } |
| 185 | |
| 186 | void cli_register_kw(struct cli_kw_list *kw_list) |
| 187 | { |
| 188 | LIST_ADDQ(&cli_keywords.list, &kw_list->list); |
| 189 | } |
| 190 | |
| 191 | |
| 192 | /* allocate a new stats frontend named <name>, and return it |
| 193 | * (or NULL in case of lack of memory). |
| 194 | */ |
| 195 | static struct proxy *alloc_stats_fe(const char *name, const char *file, int line) |
| 196 | { |
| 197 | struct proxy *fe; |
| 198 | |
| 199 | fe = calloc(1, sizeof(*fe)); |
| 200 | if (!fe) |
| 201 | return NULL; |
| 202 | |
| 203 | init_new_proxy(fe); |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 204 | fe->next = proxies_list; |
| 205 | proxies_list = fe; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 206 | fe->last_change = now.tv_sec; |
| 207 | fe->id = strdup("GLOBAL"); |
| 208 | fe->cap = PR_CAP_FE; |
| 209 | fe->maxconn = 10; /* default to 10 concurrent connections */ |
| 210 | fe->timeout.client = MS_TO_TICKS(10000); /* default timeout of 10 seconds */ |
| 211 | fe->conf.file = strdup(file); |
| 212 | fe->conf.line = line; |
| 213 | fe->accept = frontend_accept; |
| 214 | fe->default_target = &cli_applet.obj_type; |
| 215 | |
| 216 | /* the stats frontend is the only one able to assign ID #0 */ |
| 217 | fe->conf.id.key = fe->uuid = 0; |
| 218 | eb32_insert(&used_proxy_id, &fe->conf.id); |
| 219 | return fe; |
| 220 | } |
| 221 | |
| 222 | /* This function parses a "stats" statement in the "global" section. It returns |
| 223 | * -1 if there is any error, otherwise zero. If it returns -1, it will write an |
| 224 | * error message into the <err> buffer which will be preallocated. The trailing |
| 225 | * '\n' must not be written. The function must be called with <args> pointing to |
| 226 | * the first word after "stats". |
| 227 | */ |
| 228 | static int stats_parse_global(char **args, int section_type, struct proxy *curpx, |
| 229 | struct proxy *defpx, const char *file, int line, |
| 230 | char **err) |
| 231 | { |
| 232 | struct bind_conf *bind_conf; |
| 233 | struct listener *l; |
| 234 | |
| 235 | if (!strcmp(args[1], "socket")) { |
| 236 | int cur_arg; |
| 237 | |
| 238 | if (*args[2] == 0) { |
| 239 | memprintf(err, "'%s %s' in global section expects an address or a path to a UNIX socket", args[0], args[1]); |
| 240 | return -1; |
| 241 | } |
| 242 | |
| 243 | if (!global.stats_fe) { |
| 244 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 245 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 246 | return -1; |
| 247 | } |
| 248 | } |
| 249 | |
Willy Tarreau | a261e9b | 2016-12-22 20:44:00 +0100 | [diff] [blame] | 250 | 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] | 251 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 252 | bind_conf->level |= ACCESS_LVL_OPER; /* default access level */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 253 | |
| 254 | if (!str2listener(args[2], global.stats_fe, bind_conf, file, line, err)) { |
| 255 | memprintf(err, "parsing [%s:%d] : '%s %s' : %s\n", |
| 256 | file, line, args[0], args[1], err && *err ? *err : "error"); |
| 257 | return -1; |
| 258 | } |
| 259 | |
| 260 | cur_arg = 3; |
| 261 | while (*args[cur_arg]) { |
| 262 | static int bind_dumped; |
| 263 | struct bind_kw *kw; |
| 264 | |
| 265 | kw = bind_find_kw(args[cur_arg]); |
| 266 | if (kw) { |
| 267 | if (!kw->parse) { |
| 268 | memprintf(err, "'%s %s' : '%s' option is not implemented in this version (check build options).", |
| 269 | args[0], args[1], args[cur_arg]); |
| 270 | return -1; |
| 271 | } |
| 272 | |
| 273 | if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, err) != 0) { |
| 274 | if (err && *err) |
| 275 | memprintf(err, "'%s %s' : '%s'", args[0], args[1], *err); |
| 276 | else |
| 277 | memprintf(err, "'%s %s' : error encountered while processing '%s'", |
| 278 | args[0], args[1], args[cur_arg]); |
| 279 | return -1; |
| 280 | } |
| 281 | |
| 282 | cur_arg += 1 + kw->skip; |
| 283 | continue; |
| 284 | } |
| 285 | |
| 286 | if (!bind_dumped) { |
| 287 | bind_dump_kws(err); |
| 288 | indent_msg(err, 4); |
| 289 | bind_dumped = 1; |
| 290 | } |
| 291 | |
| 292 | memprintf(err, "'%s %s' : unknown keyword '%s'.%s%s", |
| 293 | args[0], args[1], args[cur_arg], |
| 294 | err && *err ? " Registered keywords :" : "", err && *err ? *err : ""); |
| 295 | return -1; |
| 296 | } |
| 297 | |
| 298 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 299 | l->accept = session_accept_fd; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 300 | l->default_target = global.stats_fe->default_target; |
| 301 | l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */ |
| 302 | l->nice = -64; /* we want to boost priority for local stats */ |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 303 | global.maxsock++; /* for the listening socket */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 304 | } |
| 305 | } |
| 306 | else if (!strcmp(args[1], "timeout")) { |
| 307 | unsigned timeout; |
| 308 | const char *res = parse_time_err(args[2], &timeout, TIME_UNIT_MS); |
| 309 | |
Willy Tarreau | 9faebe3 | 2019-06-07 19:00:37 +0200 | [diff] [blame] | 310 | if (res == PARSE_TIME_OVER) { |
| 311 | memprintf(err, "timer overflow in argument '%s' to '%s %s' (maximum value is 2147483647 ms or ~24.8 days)", |
| 312 | args[2], args[0], args[1]); |
| 313 | return -1; |
| 314 | } |
| 315 | else if (res == PARSE_TIME_UNDER) { |
| 316 | memprintf(err, "timer underflow in argument '%s' to '%s %s' (minimum non-null value is 1 ms)", |
| 317 | args[2], args[0], args[1]); |
| 318 | return -1; |
| 319 | } |
| 320 | else if (res) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 321 | memprintf(err, "'%s %s' : unexpected character '%c'", args[0], args[1], *res); |
| 322 | return -1; |
| 323 | } |
| 324 | |
| 325 | if (!timeout) { |
| 326 | memprintf(err, "'%s %s' expects a positive value", args[0], args[1]); |
| 327 | return -1; |
| 328 | } |
| 329 | if (!global.stats_fe) { |
| 330 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 331 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 332 | return -1; |
| 333 | } |
| 334 | } |
| 335 | global.stats_fe->timeout.client = MS_TO_TICKS(timeout); |
| 336 | } |
| 337 | else if (!strcmp(args[1], "maxconn")) { |
| 338 | int maxconn = atol(args[2]); |
| 339 | |
| 340 | if (maxconn <= 0) { |
| 341 | memprintf(err, "'%s %s' expects a positive value", args[0], args[1]); |
| 342 | return -1; |
| 343 | } |
| 344 | |
| 345 | if (!global.stats_fe) { |
| 346 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 347 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 348 | return -1; |
| 349 | } |
| 350 | } |
| 351 | global.stats_fe->maxconn = maxconn; |
| 352 | } |
| 353 | else if (!strcmp(args[1], "bind-process")) { /* enable the socket only on some processes */ |
| 354 | int cur_arg = 2; |
| 355 | unsigned long set = 0; |
| 356 | |
| 357 | if (!global.stats_fe) { |
| 358 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) { |
| 359 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 360 | return -1; |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | while (*args[cur_arg]) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 365 | if (strcmp(args[cur_arg], "all") == 0) { |
| 366 | set = 0; |
| 367 | break; |
| 368 | } |
Willy Tarreau | ff9c914 | 2019-02-07 10:39:36 +0100 | [diff] [blame] | 369 | if (parse_process_number(args[cur_arg], &set, MAX_PROCS, NULL, err)) { |
Christopher Faulet | f1f0c5f | 2017-11-22 12:06:43 +0100 | [diff] [blame] | 370 | memprintf(err, "'%s %s' : %s", args[0], args[1], *err); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 371 | return -1; |
| 372 | } |
| 373 | cur_arg++; |
| 374 | } |
| 375 | global.stats_fe->bind_proc = set; |
| 376 | } |
| 377 | else { |
| 378 | memprintf(err, "'%s' only supports 'socket', 'maxconn', 'bind-process' and 'timeout' (got '%s')", args[0], args[1]); |
| 379 | return -1; |
| 380 | } |
| 381 | return 0; |
| 382 | } |
| 383 | |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 384 | /* |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 385 | * This function exports the bound addresses of a <frontend> in the environment |
| 386 | * variable <varname>. Those addresses are separated by semicolons and prefixed |
| 387 | * with their type (abns@, unix@, sockpair@ etc) |
| 388 | * Return -1 upon error, 0 otherwise |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 389 | */ |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 390 | int listeners_setenv(struct proxy *frontend, const char *varname) |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 391 | { |
| 392 | struct buffer *trash = get_trash_chunk(); |
| 393 | struct bind_conf *bind_conf; |
| 394 | |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 395 | if (frontend) { |
| 396 | list_for_each_entry(bind_conf, &frontend->conf.bind, by_fe) { |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 397 | struct listener *l; |
| 398 | |
| 399 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 400 | char addr[46]; |
| 401 | char port[6]; |
| 402 | |
William Lallemand | 620072b | 2019-04-12 16:09:25 +0200 | [diff] [blame] | 403 | /* separate listener by semicolons */ |
| 404 | if (trash->data) |
| 405 | chunk_appendf(trash, ";"); |
| 406 | |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 407 | if (l->addr.ss_family == AF_UNIX) { |
| 408 | const struct sockaddr_un *un; |
| 409 | |
| 410 | un = (struct sockaddr_un *)&l->addr; |
| 411 | if (un->sun_path[0] == '\0') { |
| 412 | chunk_appendf(trash, "abns@%s", un->sun_path+1); |
| 413 | } else { |
| 414 | chunk_appendf(trash, "unix@%s", un->sun_path); |
| 415 | } |
| 416 | } else if (l->addr.ss_family == AF_INET) { |
| 417 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 418 | port_to_str(&l->addr, port, sizeof(port)); |
| 419 | chunk_appendf(trash, "ipv4@%s:%s", addr, port); |
| 420 | } else if (l->addr.ss_family == AF_INET6) { |
| 421 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 422 | port_to_str(&l->addr, port, sizeof(port)); |
| 423 | chunk_appendf(trash, "ipv6@[%s]:%s", addr, port); |
| 424 | } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) { |
| 425 | chunk_appendf(trash, "sockpair@%d", ((struct sockaddr_in *)&l->addr)->sin_addr.s_addr); |
| 426 | } |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 427 | } |
| 428 | } |
| 429 | trash->area[trash->data++] = '\0'; |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 430 | if (setenv(varname, trash->area, 1) < 0) |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 431 | return -1; |
| 432 | } |
| 433 | |
| 434 | return 0; |
| 435 | } |
| 436 | |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 437 | int cli_socket_setenv() |
| 438 | { |
| 439 | if (listeners_setenv(global.stats_fe, "HAPROXY_CLI") < 0) |
| 440 | return -1; |
| 441 | if (listeners_setenv(mworker_proxy, "HAPROXY_MASTER_CLI") < 0) |
| 442 | return -1; |
| 443 | |
| 444 | return 0; |
| 445 | } |
| 446 | |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 447 | REGISTER_CONFIG_POSTPARSER("cli", cli_socket_setenv); |
| 448 | |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 449 | /* Verifies that the CLI at least has a level at least as high as <level> |
| 450 | * (typically ACCESS_LVL_ADMIN). Returns 1 if OK, otherwise 0. In case of |
| 451 | * failure, an error message is prepared and the appctx's state is adjusted |
| 452 | * to print it so that a return 1 is enough to abort any processing. |
| 453 | */ |
| 454 | int cli_has_level(struct appctx *appctx, int level) |
| 455 | { |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 456 | |
William Lallemand | f630d01 | 2018-12-13 09:05:44 +0100 | [diff] [blame] | 457 | if ((appctx->cli_level & ACCESS_LVL_MASK) < level) { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 458 | cli_err(appctx, stats_permission_denied_msg); |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 459 | return 0; |
| 460 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 461 | return 1; |
| 462 | } |
| 463 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 464 | /* same as cli_has_level but for the CLI proxy and without error message */ |
| 465 | int pcli_has_level(struct stream *s, int level) |
| 466 | { |
| 467 | if ((s->pcli_flags & ACCESS_LVL_MASK) < level) { |
| 468 | return 0; |
| 469 | } |
| 470 | return 1; |
| 471 | } |
| 472 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 473 | /* Returns severity_output for the current session if set, or default for the socket */ |
| 474 | static int cli_get_severity_output(struct appctx *appctx) |
| 475 | { |
| 476 | if (appctx->cli_severity_output) |
| 477 | return appctx->cli_severity_output; |
| 478 | return strm_li(si_strm(appctx->owner))->bind_conf->severity_output; |
| 479 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 480 | |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 481 | /* Processes the CLI interpreter on the stats socket. This function is called |
| 482 | * from the CLI's IO handler running in an appctx context. The function returns 1 |
| 483 | * if the request was understood, otherwise zero. It is called with appctx->st0 |
| 484 | * set to CLI_ST_GETREQ and presets ->st2 to 0 so that parsers don't have to do |
| 485 | * it. It will possilbly leave st0 to CLI_ST_CALLBACK if the keyword needs to |
| 486 | * have its own I/O handler called again. Most of the time, parsers will only |
| 487 | * 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] | 488 | * If a keyword parser is NULL and an I/O handler is declared, the I/O handler |
| 489 | * will automatically be used. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 490 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 491 | static int cli_parse_request(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 492 | { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 493 | char *args[MAX_STATS_ARGS + 1], *p, *end, *payload = NULL; |
| 494 | int i = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 495 | struct cli_kw *kw; |
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 | appctx->st2 = 0; |
| 498 | memset(&appctx->ctx.cli, 0, sizeof(appctx->ctx.cli)); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 499 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 500 | p = appctx->chunk->area; |
| 501 | end = p + appctx->chunk->data; |
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 | /* |
| 504 | * Get the payload start if there is one. |
| 505 | * For the sake of simplicity, the payload pattern is looked up |
| 506 | * everywhere from the start of the input but it can only be found |
| 507 | * at the end of the first line if APPCTX_CLI_ST1_PAYLOAD is set. |
| 508 | * |
| 509 | * The input string was zero terminated so it is safe to use |
| 510 | * the str*() functions throughout the parsing |
| 511 | */ |
| 512 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
| 513 | payload = strstr(p, PAYLOAD_PATTERN); |
| 514 | end = payload; |
| 515 | /* skip the pattern */ |
| 516 | payload += strlen(PAYLOAD_PATTERN); |
| 517 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 518 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 519 | /* |
| 520 | * Get pointers on words. |
| 521 | * One extra slot is reserved to store a pointer on a null byte. |
| 522 | */ |
| 523 | while (i < MAX_STATS_ARGS && p < end) { |
| 524 | int j, k; |
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 | /* skip leading spaces/tabs */ |
| 527 | p += strspn(p, " \t"); |
| 528 | if (!*p) |
| 529 | break; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 530 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 531 | args[i] = p; |
| 532 | p += strcspn(p, " \t"); |
| 533 | *p++ = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 534 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 535 | /* unescape backslashes (\) */ |
| 536 | for (j = 0, k = 0; args[i][k]; k++) { |
| 537 | if (args[i][k] == '\\') { |
| 538 | if (args[i][k + 1] == '\\') |
| 539 | k++; |
Dragan Dosen | a1c35ab | 2016-11-24 11:33:12 +0100 | [diff] [blame] | 540 | else |
| 541 | continue; |
| 542 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 543 | args[i][j] = args[i][k]; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 544 | j++; |
| 545 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 546 | args[i][j] = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 547 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 548 | i++; |
| 549 | } |
| 550 | /* fill unused slots */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 551 | p = appctx->chunk->area + appctx->chunk->data; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 552 | for (; i < MAX_STATS_ARGS + 1; i++) |
| 553 | args[i] = p; |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 554 | |
| 555 | kw = cli_find_kw(args); |
Willy Tarreau | eaffde3 | 2016-12-16 17:59:25 +0100 | [diff] [blame] | 556 | if (!kw) |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 557 | return 0; |
| 558 | |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 559 | /* in a worker or normal process, don't display master only commands */ |
| 560 | if (master == 0 && (kw->level & ACCESS_MASTER_ONLY)) |
| 561 | return 0; |
| 562 | |
| 563 | /* in master don't displays if we don't have the master bits */ |
| 564 | if (master == 1 && !(kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER))) |
| 565 | return 0; |
| 566 | |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 567 | /* only accept expert commands in expert mode */ |
| 568 | if ((kw->level & ~appctx->cli_level) & ACCESS_EXPERT) |
| 569 | return 0; |
| 570 | |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 571 | appctx->io_handler = kw->io_handler; |
Emeric Brun | d6871f7 | 2017-06-29 19:54:13 +0200 | [diff] [blame] | 572 | appctx->io_release = kw->io_release; |
William Lallemand | 90b098c | 2019-10-25 21:10:14 +0200 | [diff] [blame] | 573 | |
| 574 | if (kw->parse && kw->parse(args, payload, appctx, kw->private) != 0) |
| 575 | goto fail; |
| 576 | |
| 577 | /* kw->parse could set its own io_handler or io_release handler */ |
| 578 | if (!appctx->io_handler) |
| 579 | goto fail; |
| 580 | |
| 581 | appctx->st0 = CLI_ST_CALLBACK; |
| 582 | return 1; |
| 583 | fail: |
| 584 | appctx->io_handler = NULL; |
| 585 | appctx->io_release = NULL; |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 586 | return 1; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 587 | } |
| 588 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 589 | /* prepends then outputs the argument msg with a syslog-type severity depending on severity_output value */ |
| 590 | static int cli_output_msg(struct channel *chn, const char *msg, int severity, int severity_output) |
| 591 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 592 | struct buffer *tmp; |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 593 | |
| 594 | if (likely(severity_output == CLI_SEVERITY_NONE)) |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 595 | return ci_putblk(chn, msg, strlen(msg)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 596 | |
| 597 | tmp = get_trash_chunk(); |
| 598 | chunk_reset(tmp); |
| 599 | |
| 600 | if (severity < 0 || severity > 7) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 601 | ha_warning("socket command feedback with invalid severity %d", severity); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 602 | chunk_printf(tmp, "[%d]: ", severity); |
| 603 | } |
| 604 | else { |
| 605 | switch (severity_output) { |
| 606 | case CLI_SEVERITY_NUMBER: |
| 607 | chunk_printf(tmp, "[%d]: ", severity); |
| 608 | break; |
| 609 | case CLI_SEVERITY_STRING: |
| 610 | chunk_printf(tmp, "[%s]: ", log_levels[severity]); |
| 611 | break; |
| 612 | default: |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 613 | ha_warning("Unrecognized severity output %d", severity_output); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 614 | } |
| 615 | } |
| 616 | chunk_appendf(tmp, "%s", msg); |
| 617 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 618 | return ci_putblk(chn, tmp->area, strlen(tmp->area)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 619 | } |
| 620 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 621 | /* This I/O handler runs as an applet embedded in a stream interface. It is |
| 622 | * used to processes I/O from/to the stats unix socket. The system relies on a |
| 623 | * state machine handling requests and various responses. We read a request, |
| 624 | * then we process it and send the response, and we possibly display a prompt. |
| 625 | * 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] | 626 | * 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] | 627 | * or not. |
| 628 | */ |
| 629 | static void cli_io_handler(struct appctx *appctx) |
| 630 | { |
| 631 | struct stream_interface *si = appctx->owner; |
| 632 | struct channel *req = si_oc(si); |
| 633 | struct channel *res = si_ic(si); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 634 | struct bind_conf *bind_conf = strm_li(si_strm(si))->bind_conf; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 635 | int reql; |
| 636 | int len; |
| 637 | |
| 638 | if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO)) |
| 639 | goto out; |
| 640 | |
Joseph Herlant | 008b3ce | 2018-11-25 12:51:45 -0800 | [diff] [blame] | 641 | /* Check if the input buffer is available. */ |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 642 | if (res->buf.size == 0) { |
Willy Tarreau | 4b962a4 | 2018-11-15 11:03:21 +0100 | [diff] [blame] | 643 | /* buf.size==0 means we failed to get a buffer and were |
| 644 | * already subscribed to a wait list to get a buffer. |
| 645 | */ |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 646 | goto out; |
| 647 | } |
| 648 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 649 | while (1) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 650 | if (appctx->st0 == CLI_ST_INIT) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 651 | /* Stats output not initialized yet */ |
| 652 | memset(&appctx->ctx.stats, 0, sizeof(appctx->ctx.stats)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 653 | /* reset severity to default at init */ |
| 654 | appctx->cli_severity_output = bind_conf->severity_output; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 655 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | f630d01 | 2018-12-13 09:05:44 +0100 | [diff] [blame] | 656 | appctx->cli_level = bind_conf->level; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 657 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 658 | else if (appctx->st0 == CLI_ST_END) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 659 | /* Let's close for real now. We just close the request |
| 660 | * side, the conditions below will complete if needed. |
| 661 | */ |
| 662 | si_shutw(si); |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 663 | free_trash_chunk(appctx->chunk); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 664 | break; |
| 665 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 666 | else if (appctx->st0 == CLI_ST_GETREQ) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 667 | char *str; |
| 668 | |
| 669 | /* use a trash chunk to store received data */ |
| 670 | if (!appctx->chunk) { |
| 671 | appctx->chunk = alloc_trash_chunk(); |
| 672 | if (!appctx->chunk) { |
| 673 | appctx->st0 = CLI_ST_END; |
| 674 | continue; |
| 675 | } |
| 676 | } |
| 677 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 678 | str = appctx->chunk->area + appctx->chunk->data; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 679 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 680 | /* ensure we have some output room left in the event we |
| 681 | * would want to return some info right after parsing. |
| 682 | */ |
| 683 | if (buffer_almost_full(si_ib(si))) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 684 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 685 | break; |
| 686 | } |
| 687 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 688 | /* '- 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] | 689 | reql = co_getline(si_oc(si), str, |
| 690 | appctx->chunk->size - appctx->chunk->data - 1); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 691 | if (reql <= 0) { /* closed or EOL not found */ |
| 692 | if (reql == 0) |
| 693 | break; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 694 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 695 | continue; |
| 696 | } |
| 697 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 698 | if (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)) { |
| 699 | /* seek for a possible unescaped semi-colon. If we find |
| 700 | * one, we replace it with an LF and skip only this part. |
| 701 | */ |
| 702 | for (len = 0; len < reql; len++) { |
| 703 | if (str[len] == '\\') { |
| 704 | len++; |
| 705 | continue; |
| 706 | } |
| 707 | if (str[len] == ';') { |
| 708 | str[len] = '\n'; |
| 709 | reql = len + 1; |
| 710 | break; |
| 711 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 712 | } |
| 713 | } |
| 714 | |
| 715 | /* now it is time to check that we have a full line, |
| 716 | * remove the trailing \n and possibly \r, then cut the |
| 717 | * line. |
| 718 | */ |
| 719 | len = reql - 1; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 720 | if (str[len] != '\n') { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 721 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 722 | continue; |
| 723 | } |
| 724 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 725 | if (len && str[len-1] == '\r') |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 726 | len--; |
| 727 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 728 | str[len] = '\0'; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 729 | appctx->chunk->data += len; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 730 | |
| 731 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 732 | appctx->chunk->area[appctx->chunk->data] = '\n'; |
| 733 | appctx->chunk->area[appctx->chunk->data + 1] = 0; |
| 734 | appctx->chunk->data++; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 735 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 736 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 737 | appctx->st0 = CLI_ST_PROMPT; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 738 | |
| 739 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
| 740 | /* empty line */ |
| 741 | if (!len) { |
| 742 | /* remove the last two \n */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 743 | appctx->chunk->data -= 2; |
| 744 | appctx->chunk->area[appctx->chunk->data] = 0; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 745 | |
| 746 | if (!cli_parse_request(appctx)) |
| 747 | cli_gen_usage_msg(appctx); |
| 748 | |
| 749 | chunk_reset(appctx->chunk); |
| 750 | /* NB: cli_sock_parse_request() may have put |
| 751 | * another CLI_ST_O_* into appctx->st0. |
| 752 | */ |
| 753 | |
| 754 | appctx->st1 &= ~APPCTX_CLI_ST1_PAYLOAD; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 755 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 756 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 757 | else { |
| 758 | /* |
| 759 | * Look for the "payload start" pattern at the end of a line |
| 760 | * Its location is not remembered here, this is just to switch |
| 761 | * to a gathering mode. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 762 | */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 763 | 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] | 764 | appctx->st1 |= APPCTX_CLI_ST1_PAYLOAD; |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 765 | else { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 766 | /* no payload, the command is complete: parse the request */ |
| 767 | if (!cli_parse_request(appctx)) |
| 768 | cli_gen_usage_msg(appctx); |
| 769 | |
| 770 | chunk_reset(appctx->chunk); |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 771 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 772 | } |
| 773 | |
| 774 | /* re-adjust req buffer */ |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 775 | co_skip(si_oc(si), reql); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 776 | req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */ |
| 777 | } |
| 778 | else { /* output functions */ |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 779 | const char *msg; |
| 780 | int sev; |
| 781 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 782 | switch (appctx->st0) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 783 | case CLI_ST_PROMPT: |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 784 | break; |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 785 | case CLI_ST_PRINT: /* print const message in msg */ |
| 786 | case CLI_ST_PRINT_ERR: /* print const error in msg */ |
| 787 | case CLI_ST_PRINT_DYN: /* print dyn message in msg, free */ |
| 788 | case CLI_ST_PRINT_FREE: /* print dyn error in err, free */ |
| 789 | if (appctx->st0 == CLI_ST_PRINT || appctx->st0 == CLI_ST_PRINT_ERR) { |
| 790 | sev = appctx->st0 == CLI_ST_PRINT_ERR ? |
| 791 | LOG_ERR : appctx->ctx.cli.severity; |
| 792 | msg = appctx->ctx.cli.msg; |
| 793 | } |
| 794 | else if (appctx->st0 == CLI_ST_PRINT_DYN || appctx->st0 == CLI_ST_PRINT_FREE) { |
| 795 | sev = appctx->st0 == CLI_ST_PRINT_FREE ? |
| 796 | LOG_ERR : appctx->ctx.cli.severity; |
| 797 | msg = appctx->ctx.cli.err; |
| 798 | if (!msg) { |
| 799 | sev = LOG_ERR; |
| 800 | msg = "Out of memory.\n"; |
| 801 | } |
| 802 | } |
| 803 | else { |
| 804 | sev = LOG_ERR; |
| 805 | msg = "Internal error.\n"; |
| 806 | } |
Aurélien Nephtali | c511b7c | 2018-04-16 18:50:19 +0200 | [diff] [blame] | 807 | |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 808 | if (cli_output_msg(res, msg, sev, cli_get_severity_output(appctx)) != -1) { |
| 809 | if (appctx->st0 == CLI_ST_PRINT_FREE || |
| 810 | appctx->st0 == CLI_ST_PRINT_DYN) { |
| 811 | free(appctx->ctx.cli.err); |
| 812 | appctx->ctx.cli.err = NULL; |
| 813 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 814 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 815 | } |
| 816 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 817 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 818 | break; |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 819 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 820 | case CLI_ST_CALLBACK: /* use custom pointer */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 821 | if (appctx->io_handler) |
| 822 | if (appctx->io_handler(appctx)) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 823 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 824 | if (appctx->io_release) { |
| 825 | appctx->io_release(appctx); |
| 826 | appctx->io_release = NULL; |
| 827 | } |
| 828 | } |
| 829 | break; |
| 830 | default: /* abnormal state */ |
| 831 | si->flags |= SI_FL_ERR; |
| 832 | break; |
| 833 | } |
| 834 | |
| 835 | /* 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] | 836 | if (appctx->st0 == CLI_ST_PROMPT) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 837 | const char *prompt = ""; |
| 838 | |
| 839 | if (appctx->st1 & APPCTX_CLI_ST1_PROMPT) { |
| 840 | /* |
| 841 | * when entering a payload with interactive mode, change the prompt |
| 842 | * to emphasize that more data can still be sent |
| 843 | */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 844 | if (appctx->chunk->data && appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 845 | prompt = "+ "; |
| 846 | else |
| 847 | prompt = "\n> "; |
| 848 | } |
| 849 | else { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 850 | if (!(appctx->st1 & (APPCTX_CLI_ST1_PAYLOAD|APPCTX_CLI_ST1_NOLF))) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 851 | prompt = "\n"; |
| 852 | } |
| 853 | |
| 854 | if (ci_putstr(si_ic(si), prompt) != -1) |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 855 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 856 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 857 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | /* 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] | 861 | if (appctx->st0 >= CLI_ST_OUTPUT) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 862 | break; |
| 863 | |
| 864 | /* Now we close the output if one of the writers did so, |
| 865 | * or if we're not in interactive mode and the request |
| 866 | * buffer is empty. This still allows pipelined requests |
| 867 | * to be sent in non-interactive mode. |
| 868 | */ |
William Lallemand | 3de09d5 | 2018-12-11 16:10:56 +0100 | [diff] [blame] | 869 | if (((res->flags & (CF_SHUTW|CF_SHUTW_NOW))) || |
| 870 | (!(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] | 871 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 872 | continue; |
| 873 | } |
| 874 | |
| 875 | /* switch state back to GETREQ to read next requests */ |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 876 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 877 | /* reactivate the \n at the end of the response for the next command */ |
| 878 | appctx->st1 &= ~APPCTX_CLI_ST1_NOLF; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 879 | } |
| 880 | } |
| 881 | |
| 882 | if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST)) { |
| 883 | DPRINTF(stderr, "%s@%d: si to buf closed. req=%08x, res=%08x, st=%d\n", |
| 884 | __FUNCTION__, __LINE__, req->flags, res->flags, si->state); |
| 885 | /* Other side has closed, let's abort if we have no more processing to do |
| 886 | * and nothing more to consume. This is comparable to a broken pipe, so |
| 887 | * we forward the close to the request side so that it flows upstream to |
| 888 | * the client. |
| 889 | */ |
| 890 | si_shutw(si); |
| 891 | } |
| 892 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 893 | 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] | 894 | DPRINTF(stderr, "%s@%d: buf to si closed. req=%08x, res=%08x, st=%d\n", |
| 895 | __FUNCTION__, __LINE__, req->flags, res->flags, si->state); |
| 896 | /* We have no more processing to do, and nothing more to send, and |
| 897 | * the client side has closed. So we'll forward this state downstream |
| 898 | * on the response buffer. |
| 899 | */ |
| 900 | si_shutr(si); |
| 901 | res->flags |= CF_READ_NULL; |
| 902 | } |
| 903 | |
| 904 | out: |
Christopher Faulet | 4507351 | 2018-07-20 10:16:29 +0200 | [diff] [blame] | 905 | 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] | 906 | __FUNCTION__, __LINE__, |
Christopher Faulet | 4507351 | 2018-07-20 10:16:29 +0200 | [diff] [blame] | 907 | 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] | 908 | } |
| 909 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 910 | /* This is called when the stream interface is closed. For instance, upon an |
| 911 | * external abort, we won't call the i/o handler anymore so we may need to |
| 912 | * remove back references to the stream currently being dumped. |
| 913 | */ |
| 914 | static void cli_release_handler(struct appctx *appctx) |
| 915 | { |
| 916 | if (appctx->io_release) { |
| 917 | appctx->io_release(appctx); |
| 918 | appctx->io_release = NULL; |
| 919 | } |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 920 | 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] | 921 | free(appctx->ctx.cli.err); |
| 922 | appctx->ctx.cli.err = NULL; |
| 923 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 924 | } |
| 925 | |
| 926 | /* This function dumps all environmnent variables to the buffer. It returns 0 |
| 927 | * 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] | 928 | * non-zero. Dumps only one entry if st2 == STAT_ST_END. It uses cli.p0 as the |
| 929 | * pointer to the current variable. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 930 | */ |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 931 | static int cli_io_handler_show_env(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 932 | { |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 933 | struct stream_interface *si = appctx->owner; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 934 | char **var = appctx->ctx.cli.p0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 935 | |
| 936 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 937 | return 1; |
| 938 | |
| 939 | chunk_reset(&trash); |
| 940 | |
| 941 | /* we have two inner loops here, one for the proxy, the other one for |
| 942 | * the buffer. |
| 943 | */ |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 944 | while (*var) { |
| 945 | chunk_printf(&trash, "%s\n", *var); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 946 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 947 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 948 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 949 | return 0; |
| 950 | } |
| 951 | if (appctx->st2 == STAT_ST_END) |
| 952 | break; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 953 | var++; |
| 954 | appctx->ctx.cli.p0 = var; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 955 | } |
| 956 | |
| 957 | /* dump complete */ |
| 958 | return 1; |
| 959 | } |
| 960 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 961 | /* This function dumps all file descriptors states (or the requested one) to |
| 962 | * the buffer. It returns 0 if the output buffer is full and it needs to be |
| 963 | * called again, otherwise non-zero. Dumps only one entry if st2 == STAT_ST_END. |
| 964 | * It uses cli.i0 as the fd number to restart from. |
| 965 | */ |
| 966 | static int cli_io_handler_show_fd(struct appctx *appctx) |
| 967 | { |
| 968 | struct stream_interface *si = appctx->owner; |
| 969 | int fd = appctx->ctx.cli.i0; |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 970 | int ret = 1; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 971 | |
| 972 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 973 | goto end; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 974 | |
| 975 | chunk_reset(&trash); |
| 976 | |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 977 | /* isolate the threads once per round. We're limited to a buffer worth |
| 978 | * of output anyway, it cannot last very long. |
| 979 | */ |
| 980 | thread_isolate(); |
| 981 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 982 | /* we have two inner loops here, one for the proxy, the other one for |
| 983 | * the buffer. |
| 984 | */ |
Aurélien Nephtali | 498a115 | 2018-03-09 18:51:16 +0100 | [diff] [blame] | 985 | while (fd >= 0 && fd < global.maxsock) { |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 986 | struct fdtab fdt; |
Willy Tarreau | 286ec68 | 2017-08-09 16:35:44 +0200 | [diff] [blame] | 987 | struct listener *li = NULL; |
| 988 | struct server *sv = NULL; |
| 989 | struct proxy *px = NULL; |
Willy Tarreau | a833cd9 | 2018-03-29 13:19:37 +0200 | [diff] [blame] | 990 | const struct mux_ops *mux = NULL; |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 991 | void *ctx = NULL; |
Willy Tarreau | 286ec68 | 2017-08-09 16:35:44 +0200 | [diff] [blame] | 992 | uint32_t conn_flags = 0; |
Willy Tarreau | e9ca807 | 2018-12-19 18:40:58 +0100 | [diff] [blame] | 993 | int is_back = 0; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 994 | |
| 995 | fdt = fdtab[fd]; |
| 996 | |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 997 | if (!fdt.owner) |
Willy Tarreau | 017af24 | 2017-10-04 20:24:54 +0200 | [diff] [blame] | 998 | goto skip; // closed |
| 999 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1000 | if (fdt.iocb == conn_fd_handler) { |
| 1001 | conn_flags = ((struct connection *)fdt.owner)->flags; |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 1002 | mux = ((struct connection *)fdt.owner)->mux; |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 1003 | ctx = ((struct connection *)fdt.owner)->ctx; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1004 | li = objt_listener(((struct connection *)fdt.owner)->target); |
| 1005 | sv = objt_server(((struct connection *)fdt.owner)->target); |
| 1006 | px = objt_proxy(((struct connection *)fdt.owner)->target); |
Willy Tarreau | e9ca807 | 2018-12-19 18:40:58 +0100 | [diff] [blame] | 1007 | is_back = conn_is_back((struct connection *)fdt.owner); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1008 | } |
| 1009 | else if (fdt.iocb == listener_accept) |
| 1010 | li = fdt.owner; |
| 1011 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1012 | chunk_printf(&trash, |
Willy Tarreau | cf12f2e | 2020-03-03 17:29:58 +0100 | [diff] [blame] | 1013 | " %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(", |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1014 | fd, |
| 1015 | fdt.state, |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1016 | (fdt.state & FD_EV_READY_R) ? 'R' : 'r', |
| 1017 | (fdt.state & FD_EV_ACTIVE_R) ? 'A' : 'a', |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1018 | (fdt.state & FD_EV_READY_W) ? 'R' : 'r', |
| 1019 | (fdt.state & FD_EV_ACTIVE_W) ? 'A' : 'a', |
| 1020 | fdt.ev, |
| 1021 | (fdt.ev & FD_POLL_HUP) ? 'H' : 'h', |
| 1022 | (fdt.ev & FD_POLL_ERR) ? 'E' : 'e', |
| 1023 | (fdt.ev & FD_POLL_OUT) ? 'O' : 'o', |
| 1024 | (fdt.ev & FD_POLL_PRI) ? 'P' : 'p', |
| 1025 | (fdt.ev & FD_POLL_IN) ? 'I' : 'i', |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1026 | fdt.linger_risk ? 'L' : 'l', |
| 1027 | fdt.cloned ? 'C' : 'c', |
Willy Tarreau | c754b34 | 2018-03-30 15:00:15 +0200 | [diff] [blame] | 1028 | fdt.thread_mask, fdt.update_mask, |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1029 | fdt.owner, |
Willy Tarreau | cf12f2e | 2020-03-03 17:29:58 +0100 | [diff] [blame] | 1030 | fdt.iocb); |
| 1031 | resolve_sym_name(&trash, NULL, fdt.iocb); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1032 | |
| 1033 | if (fdt.iocb == conn_fd_handler) { |
Willy Tarreau | cf12f2e | 2020-03-03 17:29:58 +0100 | [diff] [blame] | 1034 | chunk_appendf(&trash, ") back=%d cflg=0x%08x", is_back, conn_flags); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1035 | if (px) |
| 1036 | chunk_appendf(&trash, " px=%s", px->id); |
| 1037 | else if (sv) |
| 1038 | chunk_appendf(&trash, " sv=%s/%s", sv->id, sv->proxy->id); |
| 1039 | else if (li) |
| 1040 | chunk_appendf(&trash, " fe=%s", li->bind_conf->frontend->id); |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 1041 | |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 1042 | if (mux) { |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 1043 | chunk_appendf(&trash, " mux=%s ctx=%p", mux->name, ctx); |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 1044 | if (mux->show_fd) |
| 1045 | mux->show_fd(&trash, fdt.owner); |
| 1046 | } |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 1047 | else |
| 1048 | chunk_appendf(&trash, " nomux"); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1049 | } |
| 1050 | else if (fdt.iocb == listener_accept) { |
Willy Tarreau | cf12f2e | 2020-03-03 17:29:58 +0100 | [diff] [blame] | 1051 | chunk_appendf(&trash, ") l.st=%s fe=%s", |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1052 | listener_state_str(li), |
| 1053 | li->bind_conf->frontend->id); |
| 1054 | } |
| 1055 | |
Willy Tarreau | cf12f2e | 2020-03-03 17:29:58 +0100 | [diff] [blame] | 1056 | chunk_appendf(&trash, ")\n"); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1057 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1058 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1059 | si_rx_room_blk(si); |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1060 | appctx->ctx.cli.i0 = fd; |
| 1061 | ret = 0; |
| 1062 | break; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1063 | } |
| 1064 | skip: |
| 1065 | if (appctx->st2 == STAT_ST_END) |
| 1066 | break; |
| 1067 | |
| 1068 | fd++; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1069 | } |
| 1070 | |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1071 | end: |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1072 | /* dump complete */ |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1073 | |
| 1074 | thread_release(); |
| 1075 | return ret; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1076 | } |
| 1077 | |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1078 | /* This function dumps some activity counters used by developers and support to |
| 1079 | * rule out some hypothesis during bug reports. It returns 0 if the output |
| 1080 | * buffer is full and it needs to be called again, otherwise non-zero. It dumps |
| 1081 | * everything at once in the buffer and is not designed to do it in multiple |
| 1082 | * passes. |
| 1083 | */ |
| 1084 | static int cli_io_handler_show_activity(struct appctx *appctx) |
| 1085 | { |
| 1086 | struct stream_interface *si = appctx->owner; |
| 1087 | int thr; |
| 1088 | |
| 1089 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 1090 | return 1; |
| 1091 | |
| 1092 | chunk_reset(&trash); |
| 1093 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1094 | #undef SHOW_TOT |
| 1095 | #define SHOW_TOT(t, x) \ |
Willy Tarreau | a0211b8 | 2019-05-28 15:09:08 +0200 | [diff] [blame] | 1096 | do { \ |
| 1097 | unsigned int _v[MAX_THREADS]; \ |
| 1098 | unsigned int _tot; \ |
| 1099 | const unsigned int _nbt = global.nbthread; \ |
| 1100 | for (_tot = t = 0; t < _nbt; t++) \ |
| 1101 | _tot += _v[t] = (x); \ |
| 1102 | if (_nbt == 1) { \ |
| 1103 | chunk_appendf(&trash, " %u\n", _tot); \ |
| 1104 | break; \ |
| 1105 | } \ |
| 1106 | chunk_appendf(&trash, " %u [", _tot); \ |
| 1107 | for (t = 0; t < _nbt; t++) \ |
| 1108 | chunk_appendf(&trash, " %u", _v[t]); \ |
| 1109 | chunk_appendf(&trash, " ]\n"); \ |
| 1110 | } while (0) |
| 1111 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1112 | #undef SHOW_AVG |
| 1113 | #define SHOW_AVG(t, x) \ |
| 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 + _nbt/2) / _nbt); \ |
| 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 | a0211b8 | 2019-05-28 15:09:08 +0200 | [diff] [blame] | 1130 | chunk_appendf(&trash, "thread_id: %u (%u..%u)\n", tid + 1, 1, global.nbthread); |
| 1131 | 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] | 1132 | chunk_appendf(&trash, "loops:"); SHOW_TOT(thr, activity[thr].loops); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1133 | chunk_appendf(&trash, "wake_tasks:"); SHOW_TOT(thr, activity[thr].wake_tasks); |
| 1134 | chunk_appendf(&trash, "wake_signal:"); SHOW_TOT(thr, activity[thr].wake_signal); |
| 1135 | chunk_appendf(&trash, "poll_exp:"); SHOW_TOT(thr, activity[thr].poll_exp); |
| 1136 | chunk_appendf(&trash, "poll_drop:"); SHOW_TOT(thr, activity[thr].poll_drop); |
| 1137 | chunk_appendf(&trash, "poll_dead:"); SHOW_TOT(thr, activity[thr].poll_dead); |
| 1138 | chunk_appendf(&trash, "poll_skip:"); SHOW_TOT(thr, activity[thr].poll_skip); |
| 1139 | chunk_appendf(&trash, "fd_lock:"); SHOW_TOT(thr, activity[thr].fd_lock); |
| 1140 | chunk_appendf(&trash, "conn_dead:"); SHOW_TOT(thr, activity[thr].conn_dead); |
| 1141 | chunk_appendf(&trash, "stream:"); SHOW_TOT(thr, activity[thr].stream); |
Willy Tarreau | a8b2ce0 | 2019-05-28 17:04:16 +0200 | [diff] [blame] | 1142 | chunk_appendf(&trash, "pool_fail:"); SHOW_TOT(thr, activity[thr].pool_fail); |
| 1143 | chunk_appendf(&trash, "buf_wait:"); SHOW_TOT(thr, activity[thr].buf_wait); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1144 | chunk_appendf(&trash, "empty_rq:"); SHOW_TOT(thr, activity[thr].empty_rq); |
| 1145 | chunk_appendf(&trash, "long_rq:"); SHOW_TOT(thr, activity[thr].long_rq); |
| 1146 | chunk_appendf(&trash, "ctxsw:"); SHOW_TOT(thr, activity[thr].ctxsw); |
| 1147 | chunk_appendf(&trash, "tasksw:"); SHOW_TOT(thr, activity[thr].tasksw); |
| 1148 | chunk_appendf(&trash, "cpust_ms_tot:"); SHOW_TOT(thr, activity[thr].cpust_total / 2); |
| 1149 | chunk_appendf(&trash, "cpust_ms_1s:"); SHOW_TOT(thr, read_freq_ctr(&activity[thr].cpust_1s) / 2); |
| 1150 | chunk_appendf(&trash, "cpust_ms_15s:"); SHOW_TOT(thr, read_freq_ctr_period(&activity[thr].cpust_15s, 15000) / 2); |
| 1151 | chunk_appendf(&trash, "avg_loop_us:"); SHOW_AVG(thr, swrate_avg(activity[thr].avg_loop_us, TIME_STATS_SAMPLES)); |
| 1152 | chunk_appendf(&trash, "accepted:"); SHOW_TOT(thr, activity[thr].accepted); |
| 1153 | chunk_appendf(&trash, "accq_pushed:"); SHOW_TOT(thr, activity[thr].accq_pushed); |
| 1154 | chunk_appendf(&trash, "accq_full:"); SHOW_TOT(thr, activity[thr].accq_full); |
Willy Tarreau | e618284 | 2019-04-15 18:54:10 +0200 | [diff] [blame] | 1155 | #ifdef USE_THREAD |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1156 | 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] | 1157 | #endif |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1158 | |
Willy Tarreau | d6a7850 | 2019-05-27 07:03:38 +0200 | [diff] [blame] | 1159 | #if defined(DEBUG_DEV) |
| 1160 | /* keep these ones at the end */ |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1161 | chunk_appendf(&trash, "ctr0:"); SHOW_TOT(thr, activity[thr].ctr0); |
| 1162 | chunk_appendf(&trash, "ctr1:"); SHOW_TOT(thr, activity[thr].ctr1); |
| 1163 | chunk_appendf(&trash, "ctr2:"); SHOW_TOT(thr, activity[thr].ctr2); |
Willy Tarreau | d6a7850 | 2019-05-27 07:03:38 +0200 | [diff] [blame] | 1164 | #endif |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1165 | |
| 1166 | if (ci_putchk(si_ic(si), &trash) == -1) { |
| 1167 | chunk_reset(&trash); |
| 1168 | chunk_printf(&trash, "[output too large, cannot dump]\n"); |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1169 | si_rx_room_blk(si); |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1170 | } |
| 1171 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1172 | #undef SHOW_AVG |
| 1173 | #undef SHOW_TOT |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1174 | /* dump complete */ |
| 1175 | return 1; |
| 1176 | } |
| 1177 | |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1178 | /* |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1179 | * CLI IO handler for `show cli sockets`. |
| 1180 | * Uses ctx.cli.p0 to store the restart pointer. |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1181 | */ |
| 1182 | static int cli_io_handler_show_cli_sock(struct appctx *appctx) |
| 1183 | { |
| 1184 | struct bind_conf *bind_conf; |
| 1185 | struct stream_interface *si = appctx->owner; |
| 1186 | |
| 1187 | chunk_reset(&trash); |
| 1188 | |
| 1189 | switch (appctx->st2) { |
| 1190 | case STAT_ST_INIT: |
| 1191 | chunk_printf(&trash, "# socket lvl processes\n"); |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1192 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1193 | si_rx_room_blk(si); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1194 | return 0; |
| 1195 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1196 | appctx->st2 = STAT_ST_LIST; |
| 1197 | |
| 1198 | case STAT_ST_LIST: |
| 1199 | if (global.stats_fe) { |
| 1200 | list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) { |
| 1201 | struct listener *l; |
| 1202 | |
| 1203 | /* |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1204 | * get the latest dumped node in appctx->ctx.cli.p0 |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1205 | * if the current node is the first of the list |
| 1206 | */ |
| 1207 | |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1208 | if (appctx->ctx.cli.p0 && |
| 1209 | &bind_conf->by_fe == (&global.stats_fe->conf.bind)->n) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1210 | /* change the current node to the latest dumped and continue the loop */ |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1211 | 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] | 1212 | continue; |
| 1213 | } |
| 1214 | |
| 1215 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 1216 | |
| 1217 | char addr[46]; |
| 1218 | char port[6]; |
| 1219 | |
| 1220 | if (l->addr.ss_family == AF_UNIX) { |
| 1221 | const struct sockaddr_un *un; |
| 1222 | |
| 1223 | un = (struct sockaddr_un *)&l->addr; |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1224 | if (un->sun_path[0] == '\0') { |
William Lallemand | 75812a7 | 2019-04-01 11:30:04 +0200 | [diff] [blame] | 1225 | chunk_appendf(&trash, "abns@%s ", un->sun_path+1); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1226 | } else { |
| 1227 | chunk_appendf(&trash, "unix@%s ", un->sun_path); |
| 1228 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1229 | } else if (l->addr.ss_family == AF_INET) { |
| 1230 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 1231 | port_to_str(&l->addr, port, sizeof(port)); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1232 | chunk_appendf(&trash, "ipv4@%s:%s ", addr, port); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1233 | } else if (l->addr.ss_family == AF_INET6) { |
| 1234 | addr_to_str(&l->addr, addr, sizeof(addr)); |
| 1235 | port_to_str(&l->addr, port, sizeof(port)); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1236 | chunk_appendf(&trash, "ipv6@[%s]:%s ", addr, port); |
William Lallemand | 2631434 | 2018-10-26 14:47:41 +0200 | [diff] [blame] | 1237 | } else if (l->addr.ss_family == AF_CUST_SOCKPAIR) { |
| 1238 | 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] | 1239 | } else |
William Lallemand | 2631434 | 2018-10-26 14:47:41 +0200 | [diff] [blame] | 1240 | chunk_appendf(&trash, "unknown "); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1241 | |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1242 | if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN) |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1243 | chunk_appendf(&trash, "admin "); |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1244 | else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER) |
| 1245 | chunk_appendf(&trash, "operator "); |
| 1246 | else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_USER) |
| 1247 | chunk_appendf(&trash, "user "); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1248 | else |
| 1249 | chunk_appendf(&trash, " "); |
| 1250 | |
| 1251 | if (bind_conf->bind_proc != 0) { |
| 1252 | int pos; |
Willy Tarreau | 20c5e52 | 2016-12-16 12:50:55 +0100 | [diff] [blame] | 1253 | for (pos = 0; pos < 8 * sizeof(bind_conf->bind_proc); pos++) { |
Willy Tarreau | 4305ac7 | 2016-12-16 12:56:31 +0100 | [diff] [blame] | 1254 | if (bind_conf->bind_proc & (1UL << pos)) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1255 | chunk_appendf(&trash, "%d,", pos+1); |
| 1256 | } |
| 1257 | } |
| 1258 | /* replace the latest comma by a newline */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1259 | trash.area[trash.data-1] = '\n'; |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1260 | |
| 1261 | } else { |
| 1262 | chunk_appendf(&trash, "all\n"); |
| 1263 | } |
| 1264 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1265 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1266 | si_rx_room_blk(si); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1267 | return 0; |
| 1268 | } |
| 1269 | } |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1270 | 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] | 1271 | } |
| 1272 | } |
| 1273 | default: |
| 1274 | appctx->st2 = STAT_ST_FIN; |
| 1275 | return 1; |
| 1276 | } |
| 1277 | } |
| 1278 | |
| 1279 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1280 | /* 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] | 1281 | * wants to stop here. It puts the variable to be dumped into cli.p0 if a single |
| 1282 | * variable is requested otherwise puts environ there. |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1283 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1284 | 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] | 1285 | { |
| 1286 | extern char **environ; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1287 | char **var; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1288 | |
| 1289 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1290 | return 1; |
| 1291 | |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1292 | var = environ; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1293 | |
| 1294 | if (*args[2]) { |
| 1295 | int len = strlen(args[2]); |
| 1296 | |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1297 | for (; *var; var++) { |
| 1298 | if (strncmp(*var, args[2], len) == 0 && |
| 1299 | (*var)[len] == '=') |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1300 | break; |
| 1301 | } |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1302 | if (!*var) |
| 1303 | return cli_err(appctx, "Variable not found\n"); |
| 1304 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1305 | appctx->st2 = STAT_ST_END; |
| 1306 | } |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1307 | appctx->ctx.cli.p0 = var; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1308 | return 0; |
| 1309 | } |
| 1310 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1311 | /* parse a "show fd" CLI request. Returns 0 if it needs to continue, 1 if it |
| 1312 | * wants to stop here. It puts the FD number into cli.i0 if a specific FD is |
| 1313 | * requested and sets st2 to STAT_ST_END, otherwise leaves 0 in i0. |
| 1314 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1315 | 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] | 1316 | { |
| 1317 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1318 | return 1; |
| 1319 | |
| 1320 | appctx->ctx.cli.i0 = 0; |
| 1321 | |
| 1322 | if (*args[2]) { |
| 1323 | appctx->ctx.cli.i0 = atoi(args[2]); |
| 1324 | appctx->st2 = STAT_ST_END; |
| 1325 | } |
| 1326 | return 0; |
| 1327 | } |
| 1328 | |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1329 | /* parse a "set timeout" CLI request. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1330 | 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] | 1331 | { |
| 1332 | struct stream_interface *si = appctx->owner; |
| 1333 | struct stream *s = si_strm(si); |
| 1334 | |
| 1335 | if (strcmp(args[2], "cli") == 0) { |
| 1336 | unsigned timeout; |
| 1337 | const char *res; |
| 1338 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1339 | if (!*args[3]) |
| 1340 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1341 | |
| 1342 | res = parse_time_err(args[3], &timeout, TIME_UNIT_S); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1343 | if (res || timeout < 1) |
| 1344 | return cli_err(appctx, "Invalid timeout value.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1345 | |
| 1346 | s->req.rto = s->res.wto = 1 + MS_TO_TICKS(timeout*1000); |
| 1347 | task_wakeup(s->task, TASK_WOKEN_MSG); // recompute timeouts |
| 1348 | return 1; |
| 1349 | } |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1350 | |
| 1351 | return cli_err(appctx, "'set timeout' only supports 'cli'.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1352 | } |
| 1353 | |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1354 | /* parse a "set maxconn global" command. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1355 | 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] | 1356 | { |
| 1357 | int v; |
| 1358 | |
| 1359 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1360 | return 1; |
| 1361 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1362 | if (!*args[3]) |
| 1363 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1364 | |
| 1365 | v = atoi(args[3]); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1366 | if (v > global.hardmaxconn) |
| 1367 | return cli_err(appctx, "Value out of range.\n"); |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1368 | |
| 1369 | /* check for unlimited values */ |
| 1370 | if (v <= 0) |
| 1371 | v = global.hardmaxconn; |
| 1372 | |
| 1373 | global.maxconn = v; |
| 1374 | |
| 1375 | /* Dequeues all of the listeners waiting for a resource */ |
Willy Tarreau | 241797a | 2019-12-10 14:10:52 +0100 | [diff] [blame] | 1376 | dequeue_all_listeners(); |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1377 | |
| 1378 | return 1; |
| 1379 | } |
| 1380 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1381 | static int set_severity_output(int *target, char *argument) |
| 1382 | { |
| 1383 | if (!strcmp(argument, "none")) { |
| 1384 | *target = CLI_SEVERITY_NONE; |
| 1385 | return 1; |
| 1386 | } |
| 1387 | else if (!strcmp(argument, "number")) { |
| 1388 | *target = CLI_SEVERITY_NUMBER; |
| 1389 | return 1; |
| 1390 | } |
| 1391 | else if (!strcmp(argument, "string")) { |
| 1392 | *target = CLI_SEVERITY_STRING; |
| 1393 | return 1; |
| 1394 | } |
| 1395 | return 0; |
| 1396 | } |
| 1397 | |
| 1398 | /* parse a "set severity-output" command. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1399 | 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] | 1400 | { |
| 1401 | if (*args[2] && set_severity_output(&appctx->cli_severity_output, args[2])) |
| 1402 | return 0; |
| 1403 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1404 | 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] | 1405 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1406 | |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1407 | |
| 1408 | /* show the level of the current CLI session */ |
| 1409 | static int cli_parse_show_lvl(char **args, char *payload, struct appctx *appctx, void *private) |
| 1410 | { |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1411 | if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1412 | return cli_msg(appctx, LOG_INFO, "admin\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1413 | else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1414 | return cli_msg(appctx, LOG_INFO, "operator\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1415 | else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_USER) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1416 | return cli_msg(appctx, LOG_INFO, "user\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1417 | else |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1418 | return cli_msg(appctx, LOG_INFO, "unknown\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1419 | } |
| 1420 | |
| 1421 | /* parse and set the CLI level dynamically */ |
| 1422 | static int cli_parse_set_lvl(char **args, char *payload, struct appctx *appctx, void *private) |
| 1423 | { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 1424 | /* this will ask the applet to not output a \n after the command */ |
| 1425 | if (!strcmp(args[1], "-")) |
| 1426 | appctx->st1 |= APPCTX_CLI_ST1_NOLF; |
| 1427 | |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1428 | if (!strcmp(args[0], "operator")) { |
| 1429 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) { |
| 1430 | return 1; |
| 1431 | } |
| 1432 | appctx->cli_level &= ~ACCESS_LVL_MASK; |
| 1433 | appctx->cli_level |= ACCESS_LVL_OPER; |
| 1434 | |
| 1435 | } else if (!strcmp(args[0], "user")) { |
| 1436 | if (!cli_has_level(appctx, ACCESS_LVL_USER)) { |
| 1437 | return 1; |
| 1438 | } |
| 1439 | appctx->cli_level &= ~ACCESS_LVL_MASK; |
| 1440 | appctx->cli_level |= ACCESS_LVL_USER; |
| 1441 | } |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 1442 | appctx->cli_level &= ~ACCESS_EXPERT; |
| 1443 | return 1; |
| 1444 | } |
| 1445 | |
| 1446 | |
| 1447 | /* parse and set the CLI expert-mode dynamically */ |
| 1448 | static int cli_parse_expert_mode(char **args, char *payload, struct appctx *appctx, void *private) |
| 1449 | { |
| 1450 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1451 | return 1; |
| 1452 | |
| 1453 | if (!*args[1]) |
| 1454 | return (appctx->cli_level & ACCESS_EXPERT) |
| 1455 | ? cli_msg(appctx, LOG_INFO, "expert-mode is ON\n") |
| 1456 | : cli_msg(appctx, LOG_INFO, "expert-mode is OFF\n"); |
| 1457 | |
| 1458 | appctx->cli_level &= ~ACCESS_EXPERT; |
| 1459 | if (strcmp(args[1], "on") == 0) |
| 1460 | appctx->cli_level |= ACCESS_EXPERT; |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1461 | return 1; |
| 1462 | } |
| 1463 | |
William Lallemand | a57b7e3 | 2018-12-14 21:11:31 +0100 | [diff] [blame] | 1464 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1465 | 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] | 1466 | { |
| 1467 | return 0; |
| 1468 | } |
| 1469 | |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1470 | /* parse a "set rate-limit" command. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1471 | 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] | 1472 | { |
| 1473 | int v; |
| 1474 | int *res; |
| 1475 | int mul = 1; |
| 1476 | |
| 1477 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1478 | return 1; |
| 1479 | |
| 1480 | if (strcmp(args[2], "connections") == 0 && strcmp(args[3], "global") == 0) |
| 1481 | res = &global.cps_lim; |
| 1482 | else if (strcmp(args[2], "sessions") == 0 && strcmp(args[3], "global") == 0) |
| 1483 | res = &global.sps_lim; |
| 1484 | #ifdef USE_OPENSSL |
| 1485 | else if (strcmp(args[2], "ssl-sessions") == 0 && strcmp(args[3], "global") == 0) |
| 1486 | res = &global.ssl_lim; |
| 1487 | #endif |
| 1488 | else if (strcmp(args[2], "http-compression") == 0 && strcmp(args[3], "global") == 0) { |
| 1489 | res = &global.comp_rate_lim; |
| 1490 | mul = 1024; |
| 1491 | } |
| 1492 | else { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1493 | return cli_err(appctx, |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1494 | "'set rate-limit' only supports :\n" |
| 1495 | " - 'connections global' to set the per-process maximum connection rate\n" |
| 1496 | " - 'sessions global' to set the per-process maximum session rate\n" |
| 1497 | #ifdef USE_OPENSSL |
Aurélien Nephtali | b53e208 | 2018-03-11 16:55:02 +0100 | [diff] [blame] | 1498 | " - '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] | 1499 | #endif |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1500 | " - '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] | 1501 | } |
| 1502 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1503 | if (!*args[4]) |
| 1504 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1505 | |
| 1506 | v = atoi(args[4]); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1507 | if (v < 0) |
| 1508 | return cli_err(appctx, "Value out of range.\n"); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1509 | |
| 1510 | *res = v * mul; |
| 1511 | |
| 1512 | /* Dequeues all of the listeners waiting for a resource */ |
Willy Tarreau | 241797a | 2019-12-10 14:10:52 +0100 | [diff] [blame] | 1513 | dequeue_all_listeners(); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1514 | |
| 1515 | return 1; |
| 1516 | } |
| 1517 | |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1518 | /* parse the "expose-fd" argument on the bind lines */ |
| 1519 | static int bind_parse_expose_fd(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1520 | { |
| 1521 | if (!*args[cur_arg + 1]) { |
| 1522 | memprintf(err, "'%s' : missing fd type", args[cur_arg]); |
| 1523 | return ERR_ALERT | ERR_FATAL; |
| 1524 | } |
| 1525 | if (!strcmp(args[cur_arg+1], "listeners")) { |
| 1526 | conf->level |= ACCESS_FD_LISTENERS; |
| 1527 | } else { |
| 1528 | memprintf(err, "'%s' only supports 'listeners' (got '%s')", |
| 1529 | args[cur_arg], args[cur_arg+1]); |
| 1530 | return ERR_ALERT | ERR_FATAL; |
| 1531 | } |
| 1532 | |
| 1533 | return 0; |
| 1534 | } |
| 1535 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1536 | /* parse the "level" argument on the bind lines */ |
| 1537 | static int bind_parse_level(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1538 | { |
| 1539 | if (!*args[cur_arg + 1]) { |
| 1540 | memprintf(err, "'%s' : missing level", args[cur_arg]); |
| 1541 | return ERR_ALERT | ERR_FATAL; |
| 1542 | } |
| 1543 | |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1544 | if (!strcmp(args[cur_arg+1], "user")) { |
| 1545 | conf->level &= ~ACCESS_LVL_MASK; |
| 1546 | conf->level |= ACCESS_LVL_USER; |
| 1547 | } else if (!strcmp(args[cur_arg+1], "operator")) { |
| 1548 | conf->level &= ~ACCESS_LVL_MASK; |
| 1549 | conf->level |= ACCESS_LVL_OPER; |
| 1550 | } else if (!strcmp(args[cur_arg+1], "admin")) { |
| 1551 | conf->level &= ~ACCESS_LVL_MASK; |
| 1552 | conf->level |= ACCESS_LVL_ADMIN; |
| 1553 | } else { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1554 | memprintf(err, "'%s' only supports 'user', 'operator', and 'admin' (got '%s')", |
| 1555 | args[cur_arg], args[cur_arg+1]); |
| 1556 | return ERR_ALERT | ERR_FATAL; |
| 1557 | } |
| 1558 | |
| 1559 | return 0; |
| 1560 | } |
| 1561 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1562 | static int bind_parse_severity_output(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1563 | { |
| 1564 | if (!*args[cur_arg + 1]) { |
| 1565 | memprintf(err, "'%s' : missing severity format", args[cur_arg]); |
| 1566 | return ERR_ALERT | ERR_FATAL; |
| 1567 | } |
| 1568 | |
| 1569 | if (set_severity_output(&conf->severity_output, args[cur_arg+1])) |
| 1570 | return 0; |
| 1571 | else { |
| 1572 | memprintf(err, "'%s' only supports 'none', 'number', and 'string' (got '%s')", |
| 1573 | args[cur_arg], args[cur_arg+1]); |
| 1574 | return ERR_ALERT | ERR_FATAL; |
| 1575 | } |
| 1576 | } |
| 1577 | |
William Lallemand | d308c5e | 2020-01-16 16:26:41 +0100 | [diff] [blame] | 1578 | /* |
| 1579 | * For one proxy, fill the iov and send the msghdr. Also update fd_it and offset. |
| 1580 | * Return -1 upon error, otherwise 0. |
| 1581 | * |
| 1582 | * This function is only meant to deduplicate the code between the peers and |
| 1583 | * the proxy list in _getsocks(), not to be used anywhere else. |
| 1584 | */ |
| 1585 | inline static int _getsocks_gen_send(struct proxy *px, int sendfd, int *tmpfd, struct iovec *iov, |
| 1586 | int tot_fd_nb, int *fd_it, int *offset, struct msghdr *msghdr) |
| 1587 | { |
| 1588 | int i = *fd_it; |
| 1589 | int curoff = *offset; |
| 1590 | struct listener *l; |
| 1591 | unsigned char *tmpbuf = iov->iov_base; |
| 1592 | |
| 1593 | list_for_each_entry(l, &px->conf.listeners, by_fe) { |
| 1594 | int ret; |
| 1595 | /* Only transfer IPv4/IPv6 sockets */ |
| 1596 | if (l->state >= LI_ZOMBIE && |
| 1597 | (l->proto->sock_family == AF_INET || |
| 1598 | l->proto->sock_family == AF_INET6 || |
| 1599 | l->proto->sock_family == AF_UNIX)) { |
| 1600 | memcpy(&tmpfd[i % MAX_SEND_FD], &l->fd, sizeof(l->fd)); |
| 1601 | if (!l->netns) |
| 1602 | tmpbuf[curoff++] = 0; |
| 1603 | #ifdef USE_NS |
| 1604 | else { |
| 1605 | char *name = l->netns->node.key; |
| 1606 | unsigned char len = l->netns->name_len; |
| 1607 | tmpbuf[curoff++] = len; |
| 1608 | memcpy(tmpbuf + curoff, name, len); |
| 1609 | curoff += len; |
| 1610 | } |
| 1611 | #endif |
| 1612 | if (l->interface) { |
| 1613 | unsigned char len = strlen(l->interface); |
| 1614 | tmpbuf[curoff++] = len; |
| 1615 | memcpy(tmpbuf + curoff, l->interface, len); |
| 1616 | curoff += len; |
| 1617 | } else |
| 1618 | tmpbuf[curoff++] = 0; |
| 1619 | memcpy(tmpbuf + curoff, &l->options, |
| 1620 | sizeof(l->options)); |
| 1621 | curoff += sizeof(l->options); |
| 1622 | |
| 1623 | i++; |
| 1624 | } else |
| 1625 | continue; |
| 1626 | /* if it reaches the max number of fd per msghdr */ |
| 1627 | if ((!(i % MAX_SEND_FD))) { |
| 1628 | iov->iov_len = curoff; |
| 1629 | if (sendmsg(sendfd, msghdr, 0) != curoff) { |
| 1630 | ha_warning("Failed to transfer sockets\n"); |
| 1631 | return -1; |
| 1632 | } |
| 1633 | /* Wait for an ack */ |
| 1634 | do { |
| 1635 | ret = recv(sendfd, &tot_fd_nb, |
| 1636 | sizeof(tot_fd_nb), 0); |
| 1637 | } while (ret == -1 && errno == EINTR); |
| 1638 | if (ret <= 0) { |
| 1639 | ha_warning("Unexpected error while transferring sockets\n"); |
| 1640 | return -1; |
| 1641 | } |
| 1642 | curoff = 0; |
| 1643 | } |
| 1644 | } |
| 1645 | |
| 1646 | *fd_it = i; |
| 1647 | *offset = curoff; |
| 1648 | |
| 1649 | return 0; |
| 1650 | } |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1651 | |
William Lallemand | b9f9e3b | 2018-10-26 14:47:39 +0200 | [diff] [blame] | 1652 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1653 | /* Send all the bound sockets, always returns 1 */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1654 | static int _getsocks(char **args, char *payload, struct appctx *appctx, void *private) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1655 | { |
| 1656 | char *cmsgbuf = NULL; |
| 1657 | unsigned char *tmpbuf = NULL; |
| 1658 | struct cmsghdr *cmsg; |
| 1659 | struct stream_interface *si = appctx->owner; |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1660 | struct stream *s = si_strm(si); |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 1661 | struct connection *remote = cs_conn(objt_cs(si_opposite(si)->end)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1662 | struct msghdr msghdr; |
| 1663 | struct iovec iov; |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1664 | struct timeval tv = { .tv_sec = 1, .tv_usec = 0 }; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1665 | int *tmpfd; |
| 1666 | int tot_fd_nb = 0; |
| 1667 | struct proxy *px; |
William Lallemand | 5fd3b28 | 2020-01-16 15:32:08 +0100 | [diff] [blame] | 1668 | struct peers *prs; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1669 | int i = 0; |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1670 | int fd = -1; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1671 | int curoff = 0; |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1672 | int old_fcntl = -1; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1673 | int ret; |
| 1674 | |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1675 | if (!remote) { |
| 1676 | ha_warning("Only works on real connections\n"); |
| 1677 | goto out; |
| 1678 | } |
| 1679 | |
| 1680 | fd = remote->handle.fd; |
| 1681 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1682 | /* Temporary set the FD in blocking mode, that will make our life easier */ |
| 1683 | old_fcntl = fcntl(fd, F_GETFL); |
| 1684 | if (old_fcntl < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1685 | ha_warning("Couldn't get the flags for the unix socket\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1686 | goto out; |
| 1687 | } |
| 1688 | cmsgbuf = malloc(CMSG_SPACE(sizeof(int) * MAX_SEND_FD)); |
| 1689 | if (!cmsgbuf) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1690 | ha_warning("Failed to allocate memory to send sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1691 | goto out; |
| 1692 | } |
| 1693 | if (fcntl(fd, F_SETFL, old_fcntl &~ O_NONBLOCK) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1694 | ha_warning("Cannot make the unix socket blocking\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1695 | goto out; |
| 1696 | } |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1697 | setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (void *)&tv, sizeof(tv)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1698 | iov.iov_base = &tot_fd_nb; |
| 1699 | iov.iov_len = sizeof(tot_fd_nb); |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1700 | if (!(strm_li(s)->bind_conf->level & ACCESS_FD_LISTENERS)) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1701 | goto out; |
| 1702 | memset(&msghdr, 0, sizeof(msghdr)); |
| 1703 | /* |
| 1704 | * First, calculates the total number of FD, so that we can let |
| 1705 | * the caller know how much he should expects. |
| 1706 | */ |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1707 | px = proxies_list; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1708 | while (px) { |
| 1709 | struct listener *l; |
| 1710 | |
| 1711 | list_for_each_entry(l, &px->conf.listeners, by_fe) { |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 1712 | /* Only transfer IPv4/IPv6/UNIX sockets */ |
| 1713 | if (l->state >= LI_ZOMBIE && |
| 1714 | (l->proto->sock_family == AF_INET || |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1715 | l->proto->sock_family == AF_INET6 || |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 1716 | l->proto->sock_family == AF_UNIX)) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1717 | tot_fd_nb++; |
| 1718 | } |
| 1719 | px = px->next; |
| 1720 | } |
William Lallemand | 5fd3b28 | 2020-01-16 15:32:08 +0100 | [diff] [blame] | 1721 | prs = cfg_peers; |
| 1722 | while (prs) { |
| 1723 | if (prs->peers_fe) { |
| 1724 | struct listener *l; |
| 1725 | |
| 1726 | list_for_each_entry(l, &prs->peers_fe->conf.listeners, by_fe) { |
| 1727 | /* Only transfer IPv4/IPv6/UNIX sockets */ |
| 1728 | if (l->state >= LI_ZOMBIE && |
| 1729 | (l->proto->sock_family == AF_INET || |
| 1730 | l->proto->sock_family == AF_INET6 || |
| 1731 | l->proto->sock_family == AF_UNIX)) |
| 1732 | tot_fd_nb++; |
| 1733 | } |
| 1734 | } |
| 1735 | prs = prs->next; |
| 1736 | } |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1737 | if (tot_fd_nb == 0) |
| 1738 | goto out; |
| 1739 | |
| 1740 | /* First send the total number of file descriptors, so that the |
| 1741 | * receiving end knows what to expect. |
| 1742 | */ |
| 1743 | msghdr.msg_iov = &iov; |
| 1744 | msghdr.msg_iovlen = 1; |
| 1745 | ret = sendmsg(fd, &msghdr, 0); |
| 1746 | if (ret != sizeof(tot_fd_nb)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1747 | ha_warning("Failed to send the number of sockets to send\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1748 | goto out; |
| 1749 | } |
| 1750 | |
| 1751 | /* Now send the fds */ |
| 1752 | msghdr.msg_control = cmsgbuf; |
| 1753 | msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * MAX_SEND_FD); |
| 1754 | cmsg = CMSG_FIRSTHDR(&msghdr); |
| 1755 | cmsg->cmsg_len = CMSG_LEN(MAX_SEND_FD * sizeof(int)); |
| 1756 | cmsg->cmsg_level = SOL_SOCKET; |
| 1757 | cmsg->cmsg_type = SCM_RIGHTS; |
| 1758 | tmpfd = (int *)CMSG_DATA(cmsg); |
| 1759 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1760 | /* For each socket, e message is sent, containing the following : |
| 1761 | * Size of the namespace name (or 0 if none), as an unsigned char. |
| 1762 | * The namespace name, if any |
| 1763 | * Size of the interface name (or 0 if none), as an unsigned char |
| 1764 | * The interface name, if any |
| 1765 | * Listener options, as an int. |
| 1766 | */ |
| 1767 | /* We will send sockets MAX_SEND_FD per MAX_SEND_FD, allocate a |
Ilya Shipitsin | d425950 | 2020-04-08 01:07:56 +0500 | [diff] [blame] | 1768 | * buffer big enough to store the socket information. |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1769 | */ |
Olivier Houchard | f143b80 | 2017-11-04 15:13:01 +0100 | [diff] [blame] | 1770 | tmpbuf = malloc(MAX_SEND_FD * (1 + MAXPATHLEN + 1 + IFNAMSIZ + sizeof(int))); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1771 | if (tmpbuf == NULL) { |
Ilya Shipitsin | d425950 | 2020-04-08 01:07:56 +0500 | [diff] [blame] | 1772 | ha_warning("Failed to allocate memory to transfer socket information\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1773 | goto out; |
| 1774 | } |
| 1775 | iov.iov_base = tmpbuf; |
William Lallemand | 5fd3b28 | 2020-01-16 15:32:08 +0100 | [diff] [blame] | 1776 | px = proxies_list; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1777 | while (px) { |
William Lallemand | d308c5e | 2020-01-16 16:26:41 +0100 | [diff] [blame] | 1778 | if (_getsocks_gen_send(px, fd, tmpfd, &iov, |
| 1779 | tot_fd_nb, &i, &curoff, &msghdr) < 0) |
| 1780 | goto out; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1781 | px = px->next; |
| 1782 | } |
William Lallemand | 5fd3b28 | 2020-01-16 15:32:08 +0100 | [diff] [blame] | 1783 | /* should be done for peers too */ |
| 1784 | prs = cfg_peers; |
| 1785 | while (prs) { |
William Lallemand | d308c5e | 2020-01-16 16:26:41 +0100 | [diff] [blame] | 1786 | if (prs->peers_fe) |
| 1787 | if (_getsocks_gen_send(prs->peers_fe, fd, tmpfd, &iov, |
| 1788 | tot_fd_nb, &i, &curoff, &msghdr) < 0) |
| 1789 | goto out; |
William Lallemand | 5fd3b28 | 2020-01-16 15:32:08 +0100 | [diff] [blame] | 1790 | prs = prs->next; |
| 1791 | } |
| 1792 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1793 | if (i % MAX_SEND_FD) { |
| 1794 | iov.iov_len = curoff; |
| 1795 | cmsg->cmsg_len = CMSG_LEN((i % MAX_SEND_FD) * sizeof(int)); |
| 1796 | msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * (i % MAX_SEND_FD)); |
| 1797 | if (sendmsg(fd, &msghdr, 0) != curoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1798 | ha_warning("Failed to transfer sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1799 | goto out; |
| 1800 | } |
| 1801 | } |
| 1802 | |
| 1803 | out: |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1804 | 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] | 1805 | ha_warning("Cannot make the unix socket non-blocking\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1806 | goto out; |
| 1807 | } |
| 1808 | appctx->st0 = CLI_ST_END; |
| 1809 | free(cmsgbuf); |
| 1810 | free(tmpbuf); |
| 1811 | return 1; |
| 1812 | } |
| 1813 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1814 | static int cli_parse_simple(char **args, char *payload, struct appctx *appctx, void *private) |
| 1815 | { |
| 1816 | if (*args[0] == 'h') |
| 1817 | /* help */ |
| 1818 | cli_gen_usage_msg(appctx); |
| 1819 | else if (*args[0] == 'p') |
| 1820 | /* prompt */ |
| 1821 | appctx->st1 ^= APPCTX_CLI_ST1_PROMPT; |
| 1822 | else if (*args[0] == 'q') |
| 1823 | /* quit */ |
| 1824 | appctx->st0 = CLI_ST_END; |
| 1825 | |
| 1826 | return 1; |
| 1827 | } |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1828 | |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 1829 | void pcli_write_prompt(struct stream *s) |
| 1830 | { |
| 1831 | struct buffer *msg = get_trash_chunk(); |
| 1832 | struct channel *oc = si_oc(&s->si[0]); |
| 1833 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 1834 | if (!(s->pcli_flags & PCLI_F_PROMPT)) |
William Lallemand | 5b80fa2 | 2018-12-11 16:10:54 +0100 | [diff] [blame] | 1835 | return; |
| 1836 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 1837 | if (s->pcli_flags & PCLI_F_PAYLOAD) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 1838 | chunk_appendf(msg, "+ "); |
| 1839 | } else { |
| 1840 | if (s->pcli_next_pid == 0) |
Willy Tarreau | 52880f9 | 2018-12-15 13:30:03 +0100 | [diff] [blame] | 1841 | chunk_appendf(msg, "master%s> ", |
| 1842 | (global.mode & MODE_MWORKER_WAIT) ? "[ReloadFailed]" : ""); |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 1843 | else |
| 1844 | chunk_appendf(msg, "%d> ", s->pcli_next_pid); |
| 1845 | } |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 1846 | co_inject(oc, msg->area, msg->data); |
| 1847 | } |
| 1848 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1849 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1850 | /* The pcli_* functions are used for the CLI proxy in the master */ |
| 1851 | |
William Lallemand | deeaa59 | 2018-10-26 14:47:48 +0200 | [diff] [blame] | 1852 | void pcli_reply_and_close(struct stream *s, const char *msg) |
| 1853 | { |
| 1854 | struct buffer *buf = get_trash_chunk(); |
| 1855 | |
| 1856 | chunk_initstr(buf, msg); |
Willy Tarreau | 14bfe9a | 2018-12-19 15:19:27 +0100 | [diff] [blame] | 1857 | si_retnclose(&s->si[0], buf); |
William Lallemand | deeaa59 | 2018-10-26 14:47:48 +0200 | [diff] [blame] | 1858 | } |
| 1859 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1860 | static enum obj_type *pcli_pid_to_server(int proc_pid) |
| 1861 | { |
| 1862 | struct mworker_proc *child; |
| 1863 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 1864 | /* return the CLI applet of the master */ |
| 1865 | if (proc_pid == 0) |
| 1866 | return &cli_applet.obj_type; |
| 1867 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1868 | list_for_each_entry(child, &proc_list, list) { |
| 1869 | if (child->pid == proc_pid){ |
| 1870 | return &child->srv->obj_type; |
| 1871 | } |
| 1872 | } |
| 1873 | return NULL; |
| 1874 | } |
| 1875 | |
| 1876 | /* Take a CLI prefix in argument (eg: @!1234 @master @1) |
| 1877 | * Return: |
| 1878 | * 0: master |
| 1879 | * > 0: pid of a worker |
| 1880 | * < 0: didn't find a worker |
| 1881 | */ |
| 1882 | static int pcli_prefix_to_pid(const char *prefix) |
| 1883 | { |
| 1884 | int proc_pid; |
| 1885 | struct mworker_proc *child; |
| 1886 | char *errtol = NULL; |
| 1887 | |
| 1888 | if (*prefix != '@') /* not a prefix, should not happen */ |
| 1889 | return -1; |
| 1890 | |
| 1891 | prefix++; |
| 1892 | if (!*prefix) /* sent @ alone, return the master */ |
| 1893 | return 0; |
| 1894 | |
| 1895 | if (strcmp("master", prefix) == 0) { |
| 1896 | return 0; |
| 1897 | } else if (*prefix == '!') { |
| 1898 | prefix++; |
| 1899 | if (!*prefix) |
| 1900 | return -1; |
| 1901 | |
| 1902 | proc_pid = strtol(prefix, &errtol, 10); |
| 1903 | if (*errtol != '\0') |
| 1904 | return -1; |
| 1905 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 8f7069a | 2019-04-12 16:09:23 +0200 | [diff] [blame] | 1906 | if (!(child->options & PROC_O_TYPE_WORKER)) |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1907 | continue; |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1908 | if (child->pid == proc_pid){ |
| 1909 | return child->pid; |
| 1910 | } |
| 1911 | } |
| 1912 | } else { |
| 1913 | struct mworker_proc *chosen = NULL; |
| 1914 | /* this is a relative pid */ |
| 1915 | |
| 1916 | proc_pid = strtol(prefix, &errtol, 10); |
| 1917 | if (*errtol != '\0') |
| 1918 | return -1; |
| 1919 | |
| 1920 | if (proc_pid == 0) /* return the master */ |
| 1921 | return 0; |
| 1922 | |
| 1923 | /* chose the right process, the current one is the one with the |
| 1924 | least number of reloads */ |
| 1925 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 8f7069a | 2019-04-12 16:09:23 +0200 | [diff] [blame] | 1926 | if (!(child->options & PROC_O_TYPE_WORKER)) |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 1927 | continue; |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 1928 | if (child->relative_pid == proc_pid){ |
| 1929 | if (child->reloads == 0) |
| 1930 | return child->pid; |
| 1931 | else if (chosen == NULL || child->reloads < chosen->reloads) |
| 1932 | chosen = child; |
| 1933 | } |
| 1934 | } |
| 1935 | if (chosen) |
| 1936 | return chosen->pid; |
| 1937 | } |
| 1938 | return -1; |
| 1939 | } |
| 1940 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 1941 | /* Return:: |
| 1942 | * >= 0 : number of words to escape |
| 1943 | * = -1 : error |
| 1944 | */ |
| 1945 | |
| 1946 | int pcli_find_and_exec_kw(struct stream *s, char **args, int argl, char **errmsg, int *next_pid) |
| 1947 | { |
| 1948 | if (argl < 1) |
| 1949 | return 0; |
| 1950 | |
| 1951 | /* there is a prefix */ |
| 1952 | if (args[0][0] == '@') { |
| 1953 | int target_pid = pcli_prefix_to_pid(args[0]); |
| 1954 | |
| 1955 | if (target_pid == -1) { |
| 1956 | memprintf(errmsg, "Can't find the target PID matching the prefix '%s'\n", args[0]); |
| 1957 | return -1; |
| 1958 | } |
| 1959 | |
| 1960 | /* if the prefix is alone, define a default target */ |
| 1961 | if (argl == 1) |
| 1962 | s->pcli_next_pid = target_pid; |
| 1963 | else |
| 1964 | *next_pid = target_pid; |
| 1965 | return 1; |
William Lallemand | 5b80fa2 | 2018-12-11 16:10:54 +0100 | [diff] [blame] | 1966 | } else if (!strcmp("prompt", args[0])) { |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 1967 | s->pcli_flags ^= PCLI_F_PROMPT; |
William Lallemand | 5b80fa2 | 2018-12-11 16:10:54 +0100 | [diff] [blame] | 1968 | return argl; /* return the number of elements in the array */ |
William Lallemand | 5f61068 | 2018-12-11 16:10:55 +0100 | [diff] [blame] | 1969 | |
| 1970 | } else if (!strcmp("quit", args[0])) { |
| 1971 | channel_shutr_now(&s->req); |
| 1972 | channel_shutw_now(&s->res); |
| 1973 | return argl; /* return the number of elements in the array */ |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 1974 | } else if (!strcmp(args[0], "operator")) { |
| 1975 | if (!pcli_has_level(s, ACCESS_LVL_OPER)) { |
| 1976 | memprintf(errmsg, "Permission denied!\n"); |
| 1977 | return -1; |
| 1978 | } |
| 1979 | s->pcli_flags &= ~ACCESS_LVL_MASK; |
| 1980 | s->pcli_flags |= ACCESS_LVL_OPER; |
| 1981 | return argl; |
| 1982 | |
| 1983 | } else if (!strcmp(args[0], "user")) { |
| 1984 | if (!pcli_has_level(s, ACCESS_LVL_USER)) { |
| 1985 | memprintf(errmsg, "Permission denied!\n"); |
| 1986 | return -1; |
| 1987 | } |
| 1988 | s->pcli_flags &= ~ACCESS_LVL_MASK; |
| 1989 | s->pcli_flags |= ACCESS_LVL_USER; |
| 1990 | return argl; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 1991 | } |
| 1992 | |
| 1993 | return 0; |
| 1994 | } |
| 1995 | |
| 1996 | /* |
| 1997 | * Parse the CLI request: |
| 1998 | * - It does basically the same as the cli_io_handler, but as a proxy |
| 1999 | * - It can exec a command and strip non forwardable commands |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2000 | * |
| 2001 | * Return: |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2002 | * - the number of characters to forward or |
| 2003 | * - 1 if there is an error or not enough data |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2004 | */ |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2005 | 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] | 2006 | { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2007 | char *str = (char *)ci_head(req); |
| 2008 | char *end = (char *)ci_stop(req); |
| 2009 | char *args[MAX_STATS_ARGS + 1]; /* +1 for storing a NULL */ |
| 2010 | int argl; /* number of args */ |
| 2011 | char *p; |
| 2012 | char *trim = NULL; |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2013 | char *payload = NULL; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2014 | int wtrim = 0; /* number of words to trim */ |
| 2015 | int reql = 0; |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2016 | int ret; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2017 | int i = 0; |
| 2018 | |
| 2019 | p = str; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2020 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2021 | if (!(s->pcli_flags & PCLI_F_PAYLOAD)) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2022 | |
| 2023 | /* Looks for the end of one command */ |
| 2024 | while (p+reql < end) { |
| 2025 | /* handle escaping */ |
| 2026 | if (p[reql] == '\\') { |
| 2027 | reql++; |
| 2028 | continue; |
| 2029 | } |
| 2030 | if (p[reql] == ';' || p[reql] == '\n') { |
| 2031 | /* found the end of the command */ |
| 2032 | p[reql] = '\n'; |
| 2033 | reql++; |
| 2034 | break; |
| 2035 | } |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2036 | reql++; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2037 | } |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2038 | } else { |
| 2039 | while (p+reql < end) { |
| 2040 | if (p[reql] == '\n') { |
| 2041 | /* found the end of the line */ |
| 2042 | reql++; |
| 2043 | break; |
| 2044 | } |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2045 | reql++; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2046 | } |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2047 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2048 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2049 | /* set end to first byte after the end of the command */ |
| 2050 | end = p + reql; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2051 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2052 | /* there is no end to this command, need more to parse ! */ |
| 2053 | if (*(end-1) != '\n') { |
| 2054 | return -1; |
| 2055 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2056 | |
William Lallemand | 3301f3e | 2018-12-13 09:05:48 +0100 | [diff] [blame] | 2057 | if (s->pcli_flags & PCLI_F_PAYLOAD) { |
| 2058 | if (reql == 1) /* last line of the payload */ |
| 2059 | s->pcli_flags &= ~PCLI_F_PAYLOAD; |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2060 | return reql; |
| 2061 | } |
| 2062 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2063 | *(end-1) = '\0'; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2064 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2065 | /* splits the command in words */ |
| 2066 | while (i < MAX_STATS_ARGS && p < end) { |
| 2067 | int j, k; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2068 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2069 | /* skip leading spaces/tabs */ |
| 2070 | p += strspn(p, " \t"); |
| 2071 | if (!*p) |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2072 | break; |
| 2073 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2074 | args[i] = p; |
| 2075 | p += strcspn(p, " \t"); |
| 2076 | *p++ = 0; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2077 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2078 | /* unescape backslashes (\) */ |
| 2079 | for (j = 0, k = 0; args[i][k]; k++) { |
| 2080 | if (args[i][k] == '\\') { |
| 2081 | if (args[i][k + 1] == '\\') |
| 2082 | k++; |
| 2083 | else |
| 2084 | continue; |
| 2085 | } |
| 2086 | args[i][j] = args[i][k]; |
| 2087 | j++; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2088 | } |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2089 | args[i][j] = 0; |
| 2090 | i++; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2091 | } |
| 2092 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2093 | argl = i; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2094 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2095 | for (; i < MAX_STATS_ARGS + 1; i++) |
| 2096 | args[i] = NULL; |
| 2097 | |
| 2098 | wtrim = pcli_find_and_exec_kw(s, args, argl, errmsg, next_pid); |
| 2099 | |
| 2100 | /* End of words are ending by \0, we need to replace the \0s by spaces |
| 2101 | 1 before forwarding them */ |
| 2102 | p = str; |
William Lallemand | 3301f3e | 2018-12-13 09:05:48 +0100 | [diff] [blame] | 2103 | while (p < end-1) { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2104 | if (*p == '\0') |
| 2105 | *p = ' '; |
| 2106 | p++; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2107 | } |
| 2108 | |
William Lallemand | 3301f3e | 2018-12-13 09:05:48 +0100 | [diff] [blame] | 2109 | payload = strstr(str, PAYLOAD_PATTERN); |
| 2110 | if ((end - 1) == (payload + strlen(PAYLOAD_PATTERN))) { |
| 2111 | /* if the payload pattern is at the end */ |
| 2112 | s->pcli_flags |= PCLI_F_PAYLOAD; |
| 2113 | ret = reql; |
| 2114 | } |
| 2115 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2116 | *(end-1) = '\n'; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2117 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2118 | if (wtrim > 0) { |
| 2119 | trim = &args[wtrim][0]; |
| 2120 | if (trim == NULL) /* if this was the last word in the table */ |
| 2121 | trim = end; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2122 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2123 | b_del(&req->buf, trim - str); |
| 2124 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2125 | ret = end - trim; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2126 | } else if (wtrim < 0) { |
| 2127 | /* parsing error */ |
| 2128 | return -1; |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2129 | } else { |
| 2130 | /* the whole string */ |
| 2131 | ret = end - str; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2132 | } |
| 2133 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2134 | if (ret > 1) { |
| 2135 | if (pcli_has_level(s, ACCESS_LVL_ADMIN)) { |
| 2136 | goto end; |
| 2137 | } else if (pcli_has_level(s, ACCESS_LVL_OPER)) { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 2138 | ci_insert_line2(req, 0, "operator -", strlen("operator -")); |
| 2139 | ret += strlen("operator -") + 2; |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2140 | } else if (pcli_has_level(s, ACCESS_LVL_USER)) { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 2141 | ci_insert_line2(req, 0, "user -", strlen("user -")); |
| 2142 | ret += strlen("user -") + 2; |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2143 | } |
| 2144 | } |
| 2145 | end: |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2146 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2147 | return ret; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2148 | } |
| 2149 | |
| 2150 | int pcli_wait_for_request(struct stream *s, struct channel *req, int an_bit) |
| 2151 | { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2152 | int next_pid = -1; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2153 | int to_forward; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2154 | char *errmsg = NULL; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2155 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2156 | if ((s->pcli_flags & ACCESS_LVL_MASK) == ACCESS_LVL_NONE) |
| 2157 | s->pcli_flags |= strm_li(s)->bind_conf->level & ACCESS_LVL_MASK; |
| 2158 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2159 | read_again: |
| 2160 | /* if the channel is closed for read, we won't receive any more data |
| 2161 | from the client, but we don't want to forward this close to the |
| 2162 | server */ |
| 2163 | channel_dont_close(req); |
| 2164 | |
| 2165 | /* We don't know yet to which server we will connect */ |
| 2166 | channel_dont_connect(req); |
| 2167 | |
| 2168 | |
| 2169 | /* we are not waiting for a response, there is no more request and we |
| 2170 | * receive a close from the client, we can leave */ |
| 2171 | if (!(ci_data(req)) && req->flags & CF_SHUTR) { |
| 2172 | channel_shutw_now(&s->res); |
| 2173 | s->req.analysers &= ~AN_REQ_WAIT_CLI; |
| 2174 | return 1; |
| 2175 | } |
| 2176 | |
| 2177 | req->flags |= CF_READ_DONTWAIT; |
| 2178 | |
| 2179 | /* need more data */ |
| 2180 | if (!ci_data(req)) |
| 2181 | return 0; |
| 2182 | |
| 2183 | /* If there is data available for analysis, log the end of the idle time. */ |
| 2184 | if (c_data(req) && s->logs.t_idle == -1) |
| 2185 | s->logs.t_idle = tv_ms_elapsed(&s->logs.tv_accept, &now) - s->logs.t_handshake; |
| 2186 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2187 | to_forward = pcli_parse_request(s, req, &errmsg, &next_pid); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2188 | if (to_forward > 0) { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2189 | int target_pid; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2190 | /* enough data */ |
| 2191 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2192 | /* forward only 1 command */ |
| 2193 | channel_forward(req, to_forward); |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2194 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2195 | if (!(s->pcli_flags & PCLI_F_PAYLOAD)) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2196 | /* we send only 1 command per request, and we write close after it */ |
| 2197 | channel_shutw_now(req); |
| 2198 | } else { |
| 2199 | pcli_write_prompt(s); |
| 2200 | } |
| 2201 | |
| 2202 | s->res.flags |= CF_WAKE_ONCE; /* need to be called again */ |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2203 | |
| 2204 | /* remove the XFER_DATA analysers, which forwards all |
| 2205 | * the data, we don't want to forward the next requests |
| 2206 | * We need to add CF_FLT_ANALYZE to abort the forward too. |
| 2207 | */ |
| 2208 | req->analysers &= ~(AN_REQ_FLT_XFER_DATA|AN_REQ_WAIT_CLI); |
| 2209 | req->analysers |= AN_REQ_FLT_END|CF_FLT_ANALYZE; |
| 2210 | s->res.analysers |= AN_RES_WAIT_CLI; |
| 2211 | |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2212 | if (!(s->flags & SF_ASSIGNED)) { |
| 2213 | if (next_pid > -1) |
| 2214 | target_pid = next_pid; |
| 2215 | else |
| 2216 | target_pid = s->pcli_next_pid; |
| 2217 | /* we can connect now */ |
| 2218 | s->target = pcli_pid_to_server(target_pid); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2219 | |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2220 | s->flags |= (SF_DIRECT | SF_ASSIGNED); |
| 2221 | channel_auto_connect(req); |
| 2222 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2223 | |
| 2224 | } else if (to_forward == 0) { |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2225 | /* we trimmed things but we might have other commands to consume */ |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2226 | pcli_write_prompt(s); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2227 | goto read_again; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2228 | } else if (to_forward == -1 && errmsg) { |
| 2229 | /* there was an error during the parsing */ |
| 2230 | pcli_reply_and_close(s, errmsg); |
| 2231 | return 0; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2232 | } else if (to_forward == -1 && channel_full(req, global.tune.maxrewrite)) { |
| 2233 | /* buffer is full and we didn't catch the end of a command */ |
| 2234 | goto send_help; |
| 2235 | } |
| 2236 | |
| 2237 | return 0; |
| 2238 | |
| 2239 | send_help: |
| 2240 | b_reset(&req->buf); |
| 2241 | b_putblk(&req->buf, "help\n", 5); |
| 2242 | goto read_again; |
| 2243 | } |
| 2244 | |
| 2245 | int pcli_wait_for_response(struct stream *s, struct channel *rep, int an_bit) |
| 2246 | { |
| 2247 | struct proxy *fe = strm_fe(s); |
| 2248 | struct proxy *be = s->be; |
| 2249 | |
William Lallemand | 6b7cd0a | 2018-11-06 17:37:11 +0100 | [diff] [blame] | 2250 | if (rep->flags & CF_READ_ERROR) { |
| 2251 | pcli_reply_and_close(s, "Can't connect to the target CLI!\n"); |
| 2252 | s->res.analysers &= ~AN_RES_WAIT_CLI; |
| 2253 | return 0; |
| 2254 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2255 | rep->flags |= CF_READ_DONTWAIT; /* try to get back here ASAP */ |
| 2256 | rep->flags |= CF_NEVER_WAIT; |
| 2257 | |
| 2258 | /* don't forward the close */ |
| 2259 | channel_dont_close(&s->res); |
| 2260 | channel_dont_close(&s->req); |
| 2261 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2262 | if (s->pcli_flags & PCLI_F_PAYLOAD) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2263 | s->req.analysers |= AN_REQ_WAIT_CLI; |
| 2264 | s->res.analysers &= ~AN_RES_WAIT_CLI; |
| 2265 | s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */ |
| 2266 | return 0; |
| 2267 | } |
| 2268 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2269 | /* forward the data */ |
| 2270 | if (ci_data(rep)) { |
| 2271 | c_adv(rep, ci_data(rep)); |
| 2272 | return 0; |
| 2273 | } |
| 2274 | |
| 2275 | if ((rep->flags & (CF_SHUTR|CF_READ_NULL))) { |
| 2276 | /* stream cleanup */ |
| 2277 | |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 2278 | pcli_write_prompt(s); |
| 2279 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2280 | s->si[1].flags |= SI_FL_NOLINGER | SI_FL_NOHALF; |
| 2281 | si_shutr(&s->si[1]); |
| 2282 | si_shutw(&s->si[1]); |
| 2283 | |
| 2284 | /* |
| 2285 | * starting from there this the same code as |
| 2286 | * http_end_txn_clean_session(). |
| 2287 | * |
| 2288 | * It allows to do frontend keepalive while reconnecting to a |
| 2289 | * new server for each request. |
| 2290 | */ |
| 2291 | |
| 2292 | if (s->flags & SF_BE_ASSIGNED) { |
| 2293 | HA_ATOMIC_SUB(&be->beconn, 1); |
| 2294 | if (unlikely(s->srv_conn)) |
| 2295 | sess_change_server(s, NULL); |
| 2296 | } |
| 2297 | |
| 2298 | s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now); |
| 2299 | stream_process_counters(s); |
| 2300 | |
| 2301 | /* don't count other requests' data */ |
| 2302 | s->logs.bytes_in -= ci_data(&s->req); |
| 2303 | s->logs.bytes_out -= ci_data(&s->res); |
| 2304 | |
| 2305 | /* we may need to know the position in the queue */ |
| 2306 | pendconn_free(s); |
| 2307 | |
| 2308 | /* let's do a final log if we need it */ |
| 2309 | if (!LIST_ISEMPTY(&fe->logformat) && s->logs.logwait && |
| 2310 | !(s->flags & SF_MONITOR) && |
| 2311 | (!(fe->options & PR_O_NULLNOLOG) || s->req.total)) { |
| 2312 | s->do_log(s); |
| 2313 | } |
| 2314 | |
| 2315 | /* stop tracking content-based counters */ |
| 2316 | stream_stop_content_counters(s); |
| 2317 | stream_update_time_stats(s); |
| 2318 | |
| 2319 | s->logs.accept_date = date; /* user-visible date for logging */ |
| 2320 | s->logs.tv_accept = now; /* corrected date for internal use */ |
| 2321 | s->logs.t_handshake = 0; /* There are no handshake in keep alive connection. */ |
| 2322 | s->logs.t_idle = -1; |
| 2323 | tv_zero(&s->logs.tv_request); |
| 2324 | s->logs.t_queue = -1; |
| 2325 | s->logs.t_connect = -1; |
| 2326 | s->logs.t_data = -1; |
| 2327 | s->logs.t_close = 0; |
| 2328 | s->logs.prx_queue_pos = 0; /* we get the number of pending conns before us */ |
| 2329 | s->logs.srv_queue_pos = 0; /* we will get this number soon */ |
| 2330 | |
| 2331 | s->logs.bytes_in = s->req.total = ci_data(&s->req); |
| 2332 | s->logs.bytes_out = s->res.total = ci_data(&s->res); |
| 2333 | |
| 2334 | stream_del_srv_conn(s); |
| 2335 | if (objt_server(s->target)) { |
| 2336 | if (s->flags & SF_CURR_SESS) { |
| 2337 | s->flags &= ~SF_CURR_SESS; |
Willy Tarreau | b54c40a | 2018-12-02 19:28:41 +0100 | [diff] [blame] | 2338 | HA_ATOMIC_SUB(&__objt_server(s->target)->cur_sess, 1); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2339 | } |
Willy Tarreau | b54c40a | 2018-12-02 19:28:41 +0100 | [diff] [blame] | 2340 | if (may_dequeue_tasks(__objt_server(s->target), be)) |
| 2341 | process_srv_queue(__objt_server(s->target)); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2342 | } |
| 2343 | |
| 2344 | s->target = NULL; |
| 2345 | |
| 2346 | /* only release our endpoint if we don't intend to reuse the |
| 2347 | * connection. |
| 2348 | */ |
| 2349 | if (!si_conn_ready(&s->si[1])) { |
| 2350 | si_release_endpoint(&s->si[1]); |
| 2351 | s->srv_conn = NULL; |
| 2352 | } |
| 2353 | |
Willy Tarreau | 1c8d32b | 2019-07-18 15:47:45 +0200 | [diff] [blame] | 2354 | sockaddr_free(&s->target_addr); |
| 2355 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2356 | s->si[1].state = s->si[1].prev_state = SI_ST_INI; |
| 2357 | s->si[1].err_type = SI_ET_NONE; |
| 2358 | s->si[1].conn_retries = 0; /* used for logging too */ |
| 2359 | s->si[1].exp = TICK_ETERNITY; |
| 2360 | s->si[1].flags &= SI_FL_ISBACK | SI_FL_DONT_WAKE; /* we're in the context of process_stream */ |
Christopher Faulet | 22dc248 | 2019-07-16 14:43:08 +0200 | [diff] [blame] | 2361 | s->req.flags &= ~(CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CONNECT|CF_WRITE_ERROR|CF_STREAMER|CF_STREAMER_FAST|CF_NEVER_WAIT|CF_WROTE_DATA); |
William Lallemand | 1933801 | 2019-06-25 18:00:19 +0200 | [diff] [blame] | 2362 | s->res.flags &= ~(CF_SHUTR|CF_SHUTR_NOW|CF_READ_ATTACHED|CF_READ_ERROR|CF_READ_NOEXP|CF_STREAMER|CF_STREAMER_FAST|CF_WRITE_PARTIAL|CF_NEVER_WAIT|CF_WROTE_DATA|CF_READ_NULL); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2363 | s->flags &= ~(SF_DIRECT|SF_ASSIGNED|SF_ADDR_SET|SF_BE_ASSIGNED|SF_FORCE_PRST|SF_IGNORE_PRST); |
| 2364 | s->flags &= ~(SF_CURR_SESS|SF_REDIRECTABLE|SF_SRV_REUSED); |
| 2365 | s->flags &= ~(SF_ERR_MASK|SF_FINST_MASK|SF_REDISP); |
| 2366 | /* reinitialise the current rule list pointer to NULL. We are sure that |
| 2367 | * any rulelist match the NULL pointer. |
| 2368 | */ |
| 2369 | s->current_rule_list = NULL; |
| 2370 | |
| 2371 | s->be = strm_fe(s); |
| 2372 | s->logs.logwait = strm_fe(s)->to_log; |
| 2373 | s->logs.level = 0; |
| 2374 | stream_del_srv_conn(s); |
| 2375 | s->target = NULL; |
| 2376 | /* re-init store persistence */ |
| 2377 | s->store_count = 0; |
| 2378 | s->uniq_id = global.req_count++; |
| 2379 | |
| 2380 | s->req.flags |= CF_READ_DONTWAIT; /* one read is usually enough */ |
| 2381 | |
| 2382 | s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */ |
| 2383 | |
| 2384 | s->req.analysers |= AN_REQ_WAIT_CLI; |
| 2385 | s->res.analysers &= ~AN_RES_WAIT_CLI; |
| 2386 | |
| 2387 | /* We must trim any excess data from the response buffer, because we |
| 2388 | * may have blocked an invalid response from a server that we don't |
Ilya Shipitsin | d425950 | 2020-04-08 01:07:56 +0500 | [diff] [blame] | 2389 | * want to accidentally forward once we disable the analysers, nor do |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2390 | * we want those data to come along with next response. A typical |
| 2391 | * example of such data would be from a buggy server responding to |
| 2392 | * a HEAD with some data, or sending more than the advertised |
| 2393 | * content-length. |
| 2394 | */ |
| 2395 | if (unlikely(ci_data(&s->res))) |
| 2396 | b_set_data(&s->res.buf, co_data(&s->res)); |
| 2397 | |
| 2398 | /* Now we can realign the response buffer */ |
| 2399 | c_realign_if_empty(&s->res); |
| 2400 | |
| 2401 | s->req.rto = strm_fe(s)->timeout.client; |
| 2402 | s->req.wto = TICK_ETERNITY; |
| 2403 | |
| 2404 | s->res.rto = TICK_ETERNITY; |
| 2405 | s->res.wto = strm_fe(s)->timeout.client; |
| 2406 | |
| 2407 | s->req.rex = TICK_ETERNITY; |
| 2408 | s->req.wex = TICK_ETERNITY; |
| 2409 | s->req.analyse_exp = TICK_ETERNITY; |
| 2410 | s->res.rex = TICK_ETERNITY; |
| 2411 | s->res.wex = TICK_ETERNITY; |
| 2412 | s->res.analyse_exp = TICK_ETERNITY; |
| 2413 | s->si[1].hcto = TICK_ETERNITY; |
| 2414 | |
| 2415 | /* we're removing the analysers, we MUST re-enable events detection. |
| 2416 | * We don't enable close on the response channel since it's either |
| 2417 | * already closed, or in keep-alive with an idle connection handler. |
| 2418 | */ |
| 2419 | channel_auto_read(&s->req); |
| 2420 | channel_auto_close(&s->req); |
| 2421 | channel_auto_read(&s->res); |
| 2422 | |
| 2423 | |
| 2424 | return 1; |
| 2425 | } |
| 2426 | return 0; |
| 2427 | } |
| 2428 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2429 | /* |
| 2430 | * The mworker functions are used to initialize the CLI in the master process |
| 2431 | */ |
| 2432 | |
William Lallemand | 309dc9a | 2018-10-26 14:47:45 +0200 | [diff] [blame] | 2433 | /* |
| 2434 | * Stop the mworker proxy |
| 2435 | */ |
| 2436 | void mworker_cli_proxy_stop() |
| 2437 | { |
William Lallemand | 550db6d | 2018-11-06 17:37:12 +0100 | [diff] [blame] | 2438 | if (mworker_proxy) |
| 2439 | stop_proxy(mworker_proxy); |
William Lallemand | 309dc9a | 2018-10-26 14:47:45 +0200 | [diff] [blame] | 2440 | } |
| 2441 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2442 | /* |
| 2443 | * Create the mworker CLI proxy |
| 2444 | */ |
| 2445 | int mworker_cli_proxy_create() |
| 2446 | { |
| 2447 | struct mworker_proc *child; |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2448 | char *msg = NULL; |
| 2449 | char *errmsg = NULL; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2450 | |
| 2451 | mworker_proxy = calloc(1, sizeof(*mworker_proxy)); |
| 2452 | if (!mworker_proxy) |
| 2453 | return -1; |
| 2454 | |
| 2455 | init_new_proxy(mworker_proxy); |
| 2456 | mworker_proxy->next = proxies_list; |
| 2457 | proxies_list = mworker_proxy; |
| 2458 | mworker_proxy->id = strdup("MASTER"); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2459 | mworker_proxy->mode = PR_MODE_CLI; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2460 | mworker_proxy->state = PR_STNEW; |
| 2461 | mworker_proxy->last_change = now.tv_sec; |
| 2462 | mworker_proxy->cap = PR_CAP_LISTEN; /* this is a listen section */ |
| 2463 | mworker_proxy->maxconn = 10; /* default to 10 concurrent connections */ |
| 2464 | mworker_proxy->timeout.client = 0; /* no timeout */ |
| 2465 | mworker_proxy->conf.file = strdup("MASTER"); |
| 2466 | mworker_proxy->conf.line = 0; |
| 2467 | mworker_proxy->accept = frontend_accept; |
| 2468 | mworker_proxy-> lbprm.algo = BE_LB_ALGO_NONE; |
| 2469 | |
| 2470 | /* Does not init the default target the CLI applet, but must be done in |
| 2471 | * the request parsing code */ |
| 2472 | mworker_proxy->default_target = NULL; |
| 2473 | |
| 2474 | /* the check_config_validity() will get an ID for the proxy */ |
| 2475 | mworker_proxy->uuid = -1; |
| 2476 | |
| 2477 | proxy_store_name(mworker_proxy); |
| 2478 | |
| 2479 | /* create all servers using the mworker_proc list */ |
| 2480 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2481 | struct server *newsrv = NULL; |
| 2482 | struct sockaddr_storage *sk; |
| 2483 | int port1, port2, port; |
| 2484 | struct protocol *proto; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2485 | |
William Lallemand | a31b09e | 2020-01-14 15:25:02 +0100 | [diff] [blame] | 2486 | /* only the workers support the master CLI */ |
| 2487 | if (!(child->options & PROC_O_TYPE_WORKER)) |
| 2488 | continue; |
| 2489 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2490 | newsrv = new_server(mworker_proxy); |
| 2491 | if (!newsrv) |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2492 | goto error; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2493 | |
| 2494 | /* we don't know the new pid yet */ |
| 2495 | if (child->pid == -1) |
| 2496 | memprintf(&msg, "cur-%d", child->relative_pid); |
| 2497 | else |
| 2498 | memprintf(&msg, "old-%d", child->pid); |
| 2499 | |
| 2500 | newsrv->next = mworker_proxy->srv; |
| 2501 | mworker_proxy->srv = newsrv; |
| 2502 | newsrv->conf.file = strdup(msg); |
| 2503 | newsrv->id = strdup(msg); |
| 2504 | newsrv->conf.line = 0; |
| 2505 | |
| 2506 | memprintf(&msg, "sockpair@%d", child->ipc_fd[0]); |
Tim Duesterhus | 4cae3b2 | 2018-11-22 16:46:50 +0100 | [diff] [blame] | 2507 | if ((sk = str2sa_range(msg, &port, &port1, &port2, &errmsg, NULL, NULL, 0)) == 0) { |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2508 | goto error; |
Tim Duesterhus | 4cae3b2 | 2018-11-22 16:46:50 +0100 | [diff] [blame] | 2509 | } |
| 2510 | free(msg); |
| 2511 | msg = NULL; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2512 | |
| 2513 | proto = protocol_by_family(sk->ss_family); |
| 2514 | if (!proto || !proto->connect) { |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2515 | goto error; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2516 | } |
| 2517 | |
| 2518 | /* no port specified */ |
| 2519 | newsrv->flags |= SRV_F_MAPPORTS; |
| 2520 | newsrv->addr = *sk; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2521 | /* don't let the server participate to load balancing */ |
| 2522 | newsrv->iweight = 0; |
| 2523 | newsrv->uweight = 0; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2524 | srv_lb_commit_status(newsrv); |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 2525 | |
| 2526 | child->srv = newsrv; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2527 | } |
| 2528 | return 0; |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2529 | |
| 2530 | error: |
| 2531 | ha_alert("%s\n", errmsg); |
| 2532 | |
| 2533 | list_for_each_entry(child, &proc_list, list) { |
| 2534 | free((char *)child->srv->conf.file); /* cast because of const char * */ |
| 2535 | free(child->srv->id); |
| 2536 | free(child->srv); |
| 2537 | child->srv = NULL; |
| 2538 | } |
| 2539 | free(mworker_proxy->id); |
| 2540 | free(mworker_proxy->conf.file); |
| 2541 | free(mworker_proxy); |
| 2542 | mworker_proxy = NULL; |
| 2543 | free(errmsg); |
| 2544 | free(msg); |
| 2545 | |
| 2546 | return -1; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2547 | } |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2548 | |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2549 | /* |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2550 | * Create a new listener for the master CLI proxy |
| 2551 | */ |
| 2552 | int mworker_cli_proxy_new_listener(char *line) |
| 2553 | { |
| 2554 | struct bind_conf *bind_conf; |
| 2555 | struct listener *l; |
| 2556 | char *err = NULL; |
| 2557 | char *args[MAX_LINE_ARGS + 1]; |
| 2558 | int arg; |
| 2559 | int cur_arg; |
| 2560 | |
William Lallemand | 2e945c8 | 2019-11-25 09:58:37 +0100 | [diff] [blame] | 2561 | arg = 1; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2562 | args[0] = line; |
| 2563 | |
| 2564 | /* args is a bind configuration with spaces replaced by commas */ |
| 2565 | while (*line && arg < MAX_LINE_ARGS) { |
| 2566 | |
| 2567 | if (*line == ',') { |
| 2568 | *line++ = '\0'; |
| 2569 | while (*line == ',') |
| 2570 | line++; |
William Lallemand | 2e945c8 | 2019-11-25 09:58:37 +0100 | [diff] [blame] | 2571 | args[arg++] = line; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2572 | } |
| 2573 | line++; |
| 2574 | } |
| 2575 | |
William Lallemand | 2e945c8 | 2019-11-25 09:58:37 +0100 | [diff] [blame] | 2576 | args[arg] = "\0"; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2577 | |
| 2578 | bind_conf = bind_conf_alloc(mworker_proxy, "master-socket", 0, "", xprt_get(XPRT_RAW)); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2579 | if (!bind_conf) |
| 2580 | goto err; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2581 | |
| 2582 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 2583 | bind_conf->level |= ACCESS_LVL_ADMIN; |
| 2584 | |
| 2585 | if (!str2listener(args[0], mworker_proxy, bind_conf, "master-socket", 0, &err)) { |
| 2586 | ha_alert("Cannot create the listener of the master CLI\n"); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2587 | goto err; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2588 | } |
| 2589 | |
| 2590 | cur_arg = 1; |
| 2591 | |
| 2592 | while (*args[cur_arg]) { |
| 2593 | static int bind_dumped; |
| 2594 | struct bind_kw *kw; |
| 2595 | |
| 2596 | kw = bind_find_kw(args[cur_arg]); |
| 2597 | if (kw) { |
| 2598 | if (!kw->parse) { |
| 2599 | memprintf(&err, "'%s %s' : '%s' option is not implemented in this version (check build options).", |
| 2600 | args[0], args[1], args[cur_arg]); |
| 2601 | goto err; |
| 2602 | } |
| 2603 | |
| 2604 | if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, &err) != 0) { |
| 2605 | if (err) |
| 2606 | memprintf(&err, "'%s %s' : '%s'", args[0], args[1], err); |
| 2607 | else |
| 2608 | memprintf(&err, "'%s %s' : error encountered while processing '%s'", |
| 2609 | args[0], args[1], args[cur_arg]); |
| 2610 | goto err; |
| 2611 | } |
| 2612 | |
| 2613 | cur_arg += 1 + kw->skip; |
| 2614 | continue; |
| 2615 | } |
| 2616 | |
| 2617 | if (!bind_dumped) { |
| 2618 | bind_dump_kws(&err); |
| 2619 | indent_msg(&err, 4); |
| 2620 | bind_dumped = 1; |
| 2621 | } |
| 2622 | |
| 2623 | memprintf(&err, "'%s %s' : unknown keyword '%s'.%s%s", |
| 2624 | args[0], args[1], args[cur_arg], |
| 2625 | err ? " Registered keywords :" : "", err ? err : ""); |
| 2626 | goto err; |
| 2627 | } |
| 2628 | |
| 2629 | |
| 2630 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2631 | l->accept = session_accept_fd; |
| 2632 | l->default_target = mworker_proxy->default_target; |
| 2633 | /* don't make the peers subject to global limits and don't close it in the master */ |
| 2634 | l->options |= (LI_O_UNLIMITED|LI_O_MWORKER); /* we are keeping this FD in the master */ |
| 2635 | l->nice = -64; /* we want to boost priority for local stats */ |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 2636 | global.maxsock++; /* for the listening socket */ |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2637 | } |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 2638 | global.maxsock += mworker_proxy->maxconn; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2639 | |
| 2640 | return 0; |
| 2641 | |
| 2642 | err: |
| 2643 | ha_alert("%s\n", err); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2644 | free(err); |
| 2645 | free(bind_conf); |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2646 | return -1; |
| 2647 | |
| 2648 | } |
| 2649 | |
| 2650 | /* |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2651 | * Create a new CLI socket using a socketpair for a worker process |
| 2652 | * <mworker_proc> is the process structure, and <proc> is the process number |
| 2653 | */ |
| 2654 | int mworker_cli_sockpair_new(struct mworker_proc *mworker_proc, int proc) |
| 2655 | { |
| 2656 | struct bind_conf *bind_conf; |
| 2657 | struct listener *l; |
| 2658 | char *path = NULL; |
| 2659 | char *err = NULL; |
| 2660 | |
| 2661 | /* master pipe to ensure the master is still alive */ |
| 2662 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, mworker_proc->ipc_fd) < 0) { |
| 2663 | ha_alert("Cannot create worker socketpair.\n"); |
| 2664 | return -1; |
| 2665 | } |
| 2666 | |
| 2667 | /* XXX: we might want to use a separate frontend at some point */ |
| 2668 | if (!global.stats_fe) { |
| 2669 | if ((global.stats_fe = alloc_stats_fe("GLOBAL", "master-socket", 0)) == NULL) { |
| 2670 | ha_alert("out of memory trying to allocate the stats frontend"); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2671 | goto error; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2672 | } |
| 2673 | } |
| 2674 | |
| 2675 | bind_conf = bind_conf_alloc(global.stats_fe, "master-socket", 0, "", xprt_get(XPRT_RAW)); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2676 | if (!bind_conf) |
| 2677 | goto error; |
| 2678 | |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2679 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 2680 | bind_conf->level |= ACCESS_LVL_ADMIN; /* TODO: need to lower the rights with a CLI keyword*/ |
| 2681 | |
| 2682 | bind_conf->bind_proc = 1UL << proc; |
| 2683 | global.stats_fe->bind_proc = 0; /* XXX: we should be careful with that, it can be removed by configuration */ |
| 2684 | |
| 2685 | if (!memprintf(&path, "sockpair@%d", mworker_proc->ipc_fd[1])) { |
| 2686 | ha_alert("Cannot allocate listener.\n"); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2687 | goto error; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2688 | } |
| 2689 | |
| 2690 | if (!str2listener(path, global.stats_fe, bind_conf, "master-socket", 0, &err)) { |
Tim Duesterhus | 4cae3b2 | 2018-11-22 16:46:50 +0100 | [diff] [blame] | 2691 | free(path); |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2692 | ha_alert("Cannot create a CLI sockpair listener for process #%d\n", proc); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2693 | goto error; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2694 | } |
Tim Duesterhus | 4cae3b2 | 2018-11-22 16:46:50 +0100 | [diff] [blame] | 2695 | free(path); |
| 2696 | path = NULL; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2697 | |
| 2698 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2699 | l->accept = session_accept_fd; |
| 2700 | l->default_target = global.stats_fe->default_target; |
William Lallemand | a337229 | 2018-11-16 16:57:22 +0100 | [diff] [blame] | 2701 | l->options |= (LI_O_UNLIMITED | LI_O_NOSTOP); |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2702 | /* it's a sockpair but we don't want to keep the fd in the master */ |
| 2703 | l->options &= ~LI_O_INHERITED; |
| 2704 | l->nice = -64; /* we want to boost priority for local stats */ |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 2705 | global.maxsock++; /* for the listening socket */ |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2706 | } |
| 2707 | |
| 2708 | return 0; |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2709 | |
| 2710 | error: |
| 2711 | close(mworker_proc->ipc_fd[0]); |
| 2712 | close(mworker_proc->ipc_fd[1]); |
| 2713 | free(err); |
| 2714 | |
| 2715 | return -1; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2716 | } |
| 2717 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2718 | static struct applet cli_applet = { |
| 2719 | .obj_type = OBJ_TYPE_APPLET, |
| 2720 | .name = "<CLI>", /* used for logging */ |
| 2721 | .fct = cli_io_handler, |
| 2722 | .release = cli_release_handler, |
| 2723 | }; |
| 2724 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 2725 | /* register cli keywords */ |
| 2726 | static struct cli_kw_list cli_kws = {{ },{ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2727 | { { "help", NULL }, NULL, cli_parse_simple, NULL }, |
| 2728 | { { "prompt", NULL }, NULL, cli_parse_simple, NULL }, |
| 2729 | { { "quit", NULL }, NULL, cli_parse_simple, NULL }, |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 2730 | { { "set", "maxconn", "global", NULL }, "set maxconn global : change the per-process maxconn setting", cli_parse_set_maxconn_global, NULL }, |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 2731 | { { "set", "rate-limit", NULL }, "set rate-limit : change a rate limiting value", cli_parse_set_ratelimit, NULL }, |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 2732 | { { "set", "severity-output", NULL }, "set severity-output [none|number|string] : set presence of severity level in feedback information", cli_parse_set_severity_output, NULL, NULL }, |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 2733 | { { "set", "timeout", NULL }, "set timeout : change a timeout setting", cli_parse_set_timeout, NULL, NULL }, |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 2734 | { { "show", "env", NULL }, "show env [var] : dump environment variables known to the process", cli_parse_show_env, cli_io_handler_show_env, NULL }, |
William Lallemand | 35851fb | 2018-10-26 14:47:42 +0200 | [diff] [blame] | 2735 | { { "show", "cli", "sockets", NULL }, "show cli sockets : dump list of cli sockets", cli_parse_default, cli_io_handler_show_cli_sock, NULL, NULL, ACCESS_MASTER }, |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 2736 | { { "show", "cli", "level", NULL }, "show cli level : display the level of the current CLI session", cli_parse_show_lvl, NULL, NULL, NULL, ACCESS_MASTER}, |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 2737 | { { "show", "fd", NULL }, "show fd [num] : dump list of file descriptors in use", cli_parse_show_fd, cli_io_handler_show_fd, NULL }, |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 2738 | { { "show", "activity", NULL }, "show activity : show per-thread activity stats (for support/developers)", cli_parse_default, cli_io_handler_show_activity, NULL }, |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 2739 | { { "operator", NULL }, "operator : lower the level of the current CLI session to operator", cli_parse_set_lvl, NULL, NULL, NULL, ACCESS_MASTER}, |
| 2740 | { { "user", NULL }, "user : lower the level of the current CLI session to user", cli_parse_set_lvl, NULL, NULL, NULL, ACCESS_MASTER}, |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2741 | { { "_getsocks", NULL }, NULL, _getsocks, NULL }, |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 2742 | { { "expert-mode", NULL }, NULL, cli_parse_expert_mode, NULL }, // not listed |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 2743 | {{},} |
| 2744 | }}; |
| 2745 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 2746 | INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws); |
| 2747 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2748 | static struct cfg_kw_list cfg_kws = {ILH, { |
| 2749 | { CFG_GLOBAL, "stats", stats_parse_global }, |
| 2750 | { 0, NULL, NULL }, |
| 2751 | }}; |
| 2752 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 2753 | INITCALL1(STG_REGISTER, cfg_register_keywords, &cfg_kws); |
| 2754 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2755 | static struct bind_kw_list bind_kws = { "STAT", { }, { |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 2756 | { "level", bind_parse_level, 1 }, /* set the unix socket admin level */ |
| 2757 | { "expose-fd", bind_parse_expose_fd, 1 }, /* set the unix socket expose fd rights */ |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 2758 | { "severity-output", bind_parse_severity_output, 1 }, /* set the severity output format */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2759 | { NULL, NULL, 0 }, |
| 2760 | }}; |
| 2761 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 2762 | INITCALL1(STG_REGISTER, bind_register_keywords, &bind_kws); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 2763 | |
| 2764 | /* |
| 2765 | * Local variables: |
| 2766 | * c-indent-level: 8 |
| 2767 | * c-basic-offset: 8 |
| 2768 | * End: |
| 2769 | */ |