Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Proxy variables and functions. |
| 3 | * |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 4 | * Copyright 2000-2009 Willy Tarreau <w@1wt.eu> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <fcntl.h> |
| 14 | #include <unistd.h> |
Willy Tarreau | c8f24f8 | 2007-11-30 18:38:35 +0100 | [diff] [blame] | 15 | #include <string.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 16 | #include <sys/types.h> |
| 17 | #include <sys/socket.h> |
| 18 | #include <sys/stat.h> |
| 19 | |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 20 | #include <import/eb32tree.h> |
| 21 | #include <import/ebistree.h> |
| 22 | |
Amaury Denoyelle | 27fefa1 | 2021-03-24 16:13:20 +0100 | [diff] [blame] | 23 | #include <haproxy/acl.h> |
Willy Tarreau | 4c7e4b7 | 2020-05-27 12:58:42 +0200 | [diff] [blame] | 24 | #include <haproxy/api.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 25 | #include <haproxy/applet-t.h> |
| 26 | #include <haproxy/capture-t.h> |
Willy Tarreau | 6be7849 | 2020-06-05 00:00:29 +0200 | [diff] [blame] | 27 | #include <haproxy/cfgparse.h> |
Willy Tarreau | 83487a8 | 2020-06-04 20:19:54 +0200 | [diff] [blame] | 28 | #include <haproxy/cli.h> |
Willy Tarreau | 8d36697 | 2020-05-27 16:10:29 +0200 | [diff] [blame] | 29 | #include <haproxy/errors.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 30 | #include <haproxy/fd.h> |
Willy Tarreau | c7babd8 | 2020-06-04 21:29:29 +0200 | [diff] [blame] | 31 | #include <haproxy/filters.h> |
Willy Tarreau | f268ee8 | 2020-06-04 17:05:57 +0200 | [diff] [blame] | 32 | #include <haproxy/global.h> |
Willy Tarreau | c2b1ff0 | 2020-06-04 21:21:03 +0200 | [diff] [blame] | 33 | #include <haproxy/http_ana.h> |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 34 | #include <haproxy/http_htx.h> |
Willy Tarreau | 213e990 | 2020-06-04 14:58:24 +0200 | [diff] [blame] | 35 | #include <haproxy/listener.h> |
Willy Tarreau | aeed4a8 | 2020-06-04 22:01:04 +0200 | [diff] [blame] | 36 | #include <haproxy/log.h> |
Willy Tarreau | 8efbdfb | 2020-06-04 11:29:21 +0200 | [diff] [blame] | 37 | #include <haproxy/obj_type-t.h> |
Willy Tarreau | 3c2a7c2 | 2020-06-04 18:38:21 +0200 | [diff] [blame] | 38 | #include <haproxy/peers.h> |
Willy Tarreau | d0ef439 | 2020-06-02 09:38:52 +0200 | [diff] [blame] | 39 | #include <haproxy/pool.h> |
Willy Tarreau | 626f3a7 | 2020-10-07 16:52:43 +0200 | [diff] [blame] | 40 | #include <haproxy/protocol.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 41 | #include <haproxy/proto_tcp.h> |
Willy Tarreau | a264d96 | 2020-06-04 22:29:18 +0200 | [diff] [blame] | 42 | #include <haproxy/proxy.h> |
Willy Tarreau | 1e56f92 | 2020-06-04 23:20:13 +0200 | [diff] [blame] | 43 | #include <haproxy/server-t.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 44 | #include <haproxy/signal.h> |
Willy Tarreau | 2eec9b5 | 2020-06-04 19:58:55 +0200 | [diff] [blame] | 45 | #include <haproxy/stats-t.h> |
Willy Tarreau | dfd3de8 | 2020-06-04 23:46:14 +0200 | [diff] [blame] | 46 | #include <haproxy/stream.h> |
Willy Tarreau | 5e539c9 | 2020-06-04 20:45:39 +0200 | [diff] [blame] | 47 | #include <haproxy/stream_interface.h> |
Willy Tarreau | cea0e1b | 2020-06-04 17:25:40 +0200 | [diff] [blame] | 48 | #include <haproxy/task.h> |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 49 | #include <haproxy/tcpcheck.h> |
Willy Tarreau | 92b4f13 | 2020-06-01 11:05:15 +0200 | [diff] [blame] | 50 | #include <haproxy/time.h> |
Frédéric Lécaille | f57c64f | 2021-02-18 16:35:43 +0100 | [diff] [blame] | 51 | #include <haproxy/xprt_quic.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 52 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 53 | |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 54 | int listeners; /* # of proxy listeners, set by cfgparse */ |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 55 | struct proxy *proxies_list = NULL; /* list of all existing proxies */ |
Willy Tarreau | 53fb4ae | 2009-10-04 23:04:08 +0200 | [diff] [blame] | 56 | struct eb_root used_proxy_id = EB_ROOT; /* list of proxy IDs in use */ |
Willy Tarreau | f79d950 | 2014-03-15 07:22:35 +0100 | [diff] [blame] | 57 | struct eb_root proxy_by_name = EB_ROOT; /* tree of proxies sorted by name */ |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 58 | struct eb_root defproxy_by_name = EB_ROOT; /* tree of default proxies sorted by name (dups possible) */ |
Willy Tarreau | 10479e4 | 2010-12-12 14:00:34 +0100 | [diff] [blame] | 59 | unsigned int error_snapshot_id = 0; /* global ID assigned to each error then incremented */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 60 | |
Willy Tarreau | 3a1f5fd | 2018-11-11 15:40:36 +0100 | [diff] [blame] | 61 | /* proxy->options */ |
| 62 | const struct cfg_opt cfg_opts[] = |
| 63 | { |
| 64 | { "abortonclose", PR_O_ABRT_CLOSE, PR_CAP_BE, 0, 0 }, |
| 65 | { "allbackups", PR_O_USE_ALL_BK, PR_CAP_BE, 0, 0 }, |
| 66 | { "checkcache", PR_O_CHK_CACHE, PR_CAP_BE, 0, PR_MODE_HTTP }, |
| 67 | { "clitcpka", PR_O_TCP_CLI_KA, PR_CAP_FE, 0, 0 }, |
| 68 | { "contstats", PR_O_CONTSTATS, PR_CAP_FE, 0, 0 }, |
| 69 | { "dontlognull", PR_O_NULLNOLOG, PR_CAP_FE, 0, 0 }, |
| 70 | { "http_proxy", PR_O_HTTP_PROXY, PR_CAP_FE | PR_CAP_BE, 0, PR_MODE_HTTP }, |
| 71 | { "http-buffer-request", PR_O_WREQ_BODY, PR_CAP_FE | PR_CAP_BE, 0, PR_MODE_HTTP }, |
| 72 | { "http-ignore-probes", PR_O_IGNORE_PRB, PR_CAP_FE, 0, PR_MODE_HTTP }, |
| 73 | { "prefer-last-server", PR_O_PREF_LAST, PR_CAP_BE, 0, PR_MODE_HTTP }, |
| 74 | { "logasap", PR_O_LOGASAP, PR_CAP_FE, 0, 0 }, |
| 75 | { "nolinger", PR_O_TCP_NOLING, PR_CAP_FE | PR_CAP_BE, 0, 0 }, |
| 76 | { "persist", PR_O_PERSIST, PR_CAP_BE, 0, 0 }, |
| 77 | { "srvtcpka", PR_O_TCP_SRV_KA, PR_CAP_BE, 0, 0 }, |
Willy Tarreau | e573323 | 2019-05-22 19:24:06 +0200 | [diff] [blame] | 78 | #ifdef USE_TPROXY |
Willy Tarreau | 3a1f5fd | 2018-11-11 15:40:36 +0100 | [diff] [blame] | 79 | { "transparent", PR_O_TRANSP, PR_CAP_BE, 0, 0 }, |
| 80 | #else |
| 81 | { "transparent", 0, 0, 0, 0 }, |
| 82 | #endif |
| 83 | |
| 84 | { NULL, 0, 0, 0, 0 } |
| 85 | }; |
| 86 | |
| 87 | /* proxy->options2 */ |
| 88 | const struct cfg_opt cfg_opts2[] = |
| 89 | { |
Willy Tarreau | e573323 | 2019-05-22 19:24:06 +0200 | [diff] [blame] | 90 | #ifdef USE_LINUX_SPLICE |
Willy Tarreau | 3a1f5fd | 2018-11-11 15:40:36 +0100 | [diff] [blame] | 91 | { "splice-request", PR_O2_SPLIC_REQ, PR_CAP_FE|PR_CAP_BE, 0, 0 }, |
| 92 | { "splice-response", PR_O2_SPLIC_RTR, PR_CAP_FE|PR_CAP_BE, 0, 0 }, |
| 93 | { "splice-auto", PR_O2_SPLIC_AUT, PR_CAP_FE|PR_CAP_BE, 0, 0 }, |
| 94 | #else |
| 95 | { "splice-request", 0, 0, 0, 0 }, |
| 96 | { "splice-response", 0, 0, 0, 0 }, |
| 97 | { "splice-auto", 0, 0, 0, 0 }, |
| 98 | #endif |
| 99 | { "accept-invalid-http-request", PR_O2_REQBUG_OK, PR_CAP_FE, 0, PR_MODE_HTTP }, |
| 100 | { "accept-invalid-http-response", PR_O2_RSPBUG_OK, PR_CAP_BE, 0, PR_MODE_HTTP }, |
| 101 | { "dontlog-normal", PR_O2_NOLOGNORM, PR_CAP_FE, 0, 0 }, |
| 102 | { "log-separate-errors", PR_O2_LOGERRORS, PR_CAP_FE, 0, 0 }, |
| 103 | { "log-health-checks", PR_O2_LOGHCHKS, PR_CAP_BE, 0, 0 }, |
| 104 | { "socket-stats", PR_O2_SOCKSTAT, PR_CAP_FE, 0, 0 }, |
| 105 | { "tcp-smart-accept", PR_O2_SMARTACC, PR_CAP_FE, 0, 0 }, |
| 106 | { "tcp-smart-connect", PR_O2_SMARTCON, PR_CAP_BE, 0, 0 }, |
Willy Tarreau | 3a1f5fd | 2018-11-11 15:40:36 +0100 | [diff] [blame] | 107 | { "independent-streams", PR_O2_INDEPSTR, PR_CAP_FE|PR_CAP_BE, 0, 0 }, |
| 108 | { "http-use-proxy-header", PR_O2_USE_PXHDR, PR_CAP_FE, 0, PR_MODE_HTTP }, |
| 109 | { "http-pretend-keepalive", PR_O2_FAKE_KA, PR_CAP_BE, 0, PR_MODE_HTTP }, |
| 110 | { "http-no-delay", PR_O2_NODELAY, PR_CAP_FE|PR_CAP_BE, 0, PR_MODE_HTTP }, |
Christopher Faulet | 3193037 | 2019-07-15 10:16:58 +0200 | [diff] [blame] | 111 | { "http-use-htx", 0, PR_CAP_FE|PR_CAP_BE, 0, 0 }, // deprecated |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 112 | |
| 113 | {"h1-case-adjust-bogus-client", PR_O2_H1_ADJ_BUGCLI, PR_CAP_FE, 0, PR_MODE_HTTP }, |
| 114 | {"h1-case-adjust-bogus-server", PR_O2_H1_ADJ_BUGSRV, PR_CAP_BE, 0, PR_MODE_HTTP }, |
Christopher Faulet | 89aed32 | 2020-06-02 17:33:56 +0200 | [diff] [blame] | 115 | {"disable-h2-upgrade", PR_O2_NO_H2_UPGRADE, PR_CAP_FE, 0, PR_MODE_HTTP }, |
Willy Tarreau | 3a1f5fd | 2018-11-11 15:40:36 +0100 | [diff] [blame] | 116 | { NULL, 0, 0, 0 } |
| 117 | }; |
| 118 | |
Amaury Denoyelle | 27fefa1 | 2021-03-24 16:13:20 +0100 | [diff] [blame] | 119 | static void free_stick_rules(struct list *rules) |
| 120 | { |
| 121 | struct sticking_rule *rule, *ruleb; |
| 122 | |
| 123 | list_for_each_entry_safe(rule, ruleb, rules, list) { |
| 124 | LIST_DEL(&rule->list); |
| 125 | free_acl_cond(rule->cond); |
| 126 | release_sample_expr(rule->expr); |
| 127 | free(rule); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | void free_proxy(struct proxy *p) |
| 132 | { |
| 133 | struct server *s,*s_next; |
| 134 | struct cap_hdr *h,*h_next; |
| 135 | struct listener *l,*l_next; |
| 136 | struct bind_conf *bind_conf, *bind_back; |
| 137 | struct acl_cond *cond, *condb; |
| 138 | struct acl *acl, *aclb; |
| 139 | struct server_rule *srule, *sruleb; |
| 140 | struct switching_rule *rule, *ruleb; |
| 141 | struct redirect_rule *rdr, *rdrb; |
| 142 | struct logsrv *log, *logb; |
| 143 | struct logformat_node *lf, *lfb; |
| 144 | struct proxy_deinit_fct *pxdf; |
| 145 | struct server_deinit_fct *srvdf; |
| 146 | |
| 147 | free(p->conf.file); |
| 148 | free(p->id); |
| 149 | free(p->cookie_name); |
| 150 | free(p->cookie_domain); |
| 151 | free(p->cookie_attrs); |
| 152 | free(p->lbprm.arg_str); |
| 153 | free(p->server_state_file_name); |
| 154 | free(p->capture_name); |
| 155 | free(p->monitor_uri); |
| 156 | free(p->rdp_cookie_name); |
| 157 | free(p->invalid_rep); |
| 158 | free(p->invalid_req); |
| 159 | #if defined(CONFIG_HAP_TRANSPARENT) |
| 160 | free(p->conn_src.bind_hdr_name); |
| 161 | #endif |
| 162 | if (p->conf.logformat_string != default_http_log_format && |
| 163 | p->conf.logformat_string != default_tcp_log_format && |
| 164 | p->conf.logformat_string != clf_http_log_format) |
| 165 | free(p->conf.logformat_string); |
| 166 | |
| 167 | free(p->conf.lfs_file); |
| 168 | free(p->conf.uniqueid_format_string); |
| 169 | istfree(&p->header_unique_id); |
| 170 | free(p->conf.uif_file); |
| 171 | if ((p->lbprm.algo & BE_LB_LKUP) == BE_LB_LKUP_MAP) |
| 172 | free(p->lbprm.map.srv); |
| 173 | |
| 174 | if (p->conf.logformat_sd_string != default_rfc5424_sd_log_format) |
| 175 | free(p->conf.logformat_sd_string); |
| 176 | free(p->conf.lfsd_file); |
| 177 | |
| 178 | list_for_each_entry_safe(cond, condb, &p->mon_fail_cond, list) { |
| 179 | LIST_DEL(&cond->list); |
| 180 | prune_acl_cond(cond); |
| 181 | free(cond); |
| 182 | } |
| 183 | |
| 184 | EXTRA_COUNTERS_FREE(p->extra_counters_fe); |
| 185 | EXTRA_COUNTERS_FREE(p->extra_counters_be); |
| 186 | |
| 187 | list_for_each_entry_safe(acl, aclb, &p->acl, list) { |
| 188 | LIST_DEL(&acl->list); |
| 189 | prune_acl(acl); |
| 190 | free(acl); |
| 191 | } |
| 192 | |
| 193 | list_for_each_entry_safe(srule, sruleb, &p->server_rules, list) { |
| 194 | LIST_DEL(&srule->list); |
| 195 | prune_acl_cond(srule->cond); |
| 196 | list_for_each_entry_safe(lf, lfb, &srule->expr, list) { |
| 197 | LIST_DEL(&lf->list); |
| 198 | release_sample_expr(lf->expr); |
| 199 | free(lf->arg); |
| 200 | free(lf); |
| 201 | } |
| 202 | free(srule->file); |
| 203 | free(srule->cond); |
| 204 | free(srule); |
| 205 | } |
| 206 | |
| 207 | list_for_each_entry_safe(rule, ruleb, &p->switching_rules, list) { |
| 208 | LIST_DEL(&rule->list); |
| 209 | if (rule->cond) { |
| 210 | prune_acl_cond(rule->cond); |
| 211 | free(rule->cond); |
| 212 | } |
| 213 | free(rule->file); |
| 214 | free(rule); |
| 215 | } |
| 216 | |
| 217 | list_for_each_entry_safe(rdr, rdrb, &p->redirect_rules, list) { |
| 218 | LIST_DEL(&rdr->list); |
| 219 | if (rdr->cond) { |
| 220 | prune_acl_cond(rdr->cond); |
| 221 | free(rdr->cond); |
| 222 | } |
| 223 | free(rdr->rdr_str); |
| 224 | list_for_each_entry_safe(lf, lfb, &rdr->rdr_fmt, list) { |
| 225 | LIST_DEL(&lf->list); |
| 226 | free(lf); |
| 227 | } |
| 228 | free(rdr); |
| 229 | } |
| 230 | |
| 231 | list_for_each_entry_safe(log, logb, &p->logsrvs, list) { |
| 232 | LIST_DEL(&log->list); |
| 233 | free(log); |
| 234 | } |
| 235 | |
| 236 | list_for_each_entry_safe(lf, lfb, &p->logformat, list) { |
| 237 | LIST_DEL(&lf->list); |
| 238 | release_sample_expr(lf->expr); |
| 239 | free(lf->arg); |
| 240 | free(lf); |
| 241 | } |
| 242 | |
| 243 | list_for_each_entry_safe(lf, lfb, &p->logformat_sd, list) { |
| 244 | LIST_DEL(&lf->list); |
| 245 | release_sample_expr(lf->expr); |
| 246 | free(lf->arg); |
| 247 | free(lf); |
| 248 | } |
| 249 | |
| 250 | list_for_each_entry_safe(lf, lfb, &p->format_unique_id, list) { |
| 251 | LIST_DEL(&lf->list); |
| 252 | release_sample_expr(lf->expr); |
| 253 | free(lf->arg); |
| 254 | free(lf); |
| 255 | } |
| 256 | |
| 257 | free_act_rules(&p->tcp_req.inspect_rules); |
| 258 | free_act_rules(&p->tcp_rep.inspect_rules); |
| 259 | free_act_rules(&p->tcp_req.l4_rules); |
| 260 | free_act_rules(&p->tcp_req.l5_rules); |
| 261 | free_act_rules(&p->http_req_rules); |
| 262 | free_act_rules(&p->http_res_rules); |
| 263 | free_act_rules(&p->http_after_res_rules); |
| 264 | |
| 265 | free_stick_rules(&p->storersp_rules); |
| 266 | free_stick_rules(&p->sticking_rules); |
| 267 | |
| 268 | h = p->req_cap; |
| 269 | while (h) { |
| 270 | h_next = h->next; |
| 271 | free(h->name); |
| 272 | pool_destroy(h->pool); |
| 273 | free(h); |
| 274 | h = h_next; |
| 275 | }/* end while(h) */ |
| 276 | |
| 277 | h = p->rsp_cap; |
| 278 | while (h) { |
| 279 | h_next = h->next; |
| 280 | free(h->name); |
| 281 | pool_destroy(h->pool); |
| 282 | free(h); |
| 283 | h = h_next; |
| 284 | }/* end while(h) */ |
| 285 | |
| 286 | s = p->srv; |
| 287 | while (s) { |
| 288 | s_next = s->next; |
| 289 | list_for_each_entry(srvdf, &server_deinit_list, list) |
| 290 | srvdf->fct(s); |
| 291 | free_server(s); |
| 292 | s = s_next; |
| 293 | }/* end while(s) */ |
| 294 | |
| 295 | list_for_each_entry_safe(l, l_next, &p->conf.listeners, by_fe) { |
| 296 | LIST_DEL(&l->by_fe); |
| 297 | LIST_DEL(&l->by_bind); |
| 298 | free(l->name); |
| 299 | free(l->counters); |
| 300 | |
| 301 | EXTRA_COUNTERS_FREE(l->extra_counters); |
| 302 | free(l); |
| 303 | } |
| 304 | |
| 305 | /* Release unused SSL configs. */ |
| 306 | list_for_each_entry_safe(bind_conf, bind_back, &p->conf.bind, by_fe) { |
| 307 | if (bind_conf->xprt->destroy_bind_conf) |
| 308 | bind_conf->xprt->destroy_bind_conf(bind_conf); |
| 309 | free(bind_conf->file); |
| 310 | free(bind_conf->arg); |
| 311 | LIST_DEL(&bind_conf->by_fe); |
| 312 | free(bind_conf); |
| 313 | } |
| 314 | |
| 315 | flt_deinit(p); |
| 316 | |
| 317 | list_for_each_entry(pxdf, &proxy_deinit_list, list) |
| 318 | pxdf->fct(p); |
| 319 | |
| 320 | free(p->desc); |
| 321 | free(p->fwdfor_hdr_name); |
| 322 | |
| 323 | task_destroy(p->task); |
| 324 | |
| 325 | pool_destroy(p->req_cap_pool); |
| 326 | pool_destroy(p->rsp_cap_pool); |
| 327 | if (p->table) |
| 328 | pool_destroy(p->table->pool); |
| 329 | |
| 330 | HA_RWLOCK_DESTROY(&p->lbprm.lock); |
| 331 | HA_RWLOCK_DESTROY(&p->lock); |
| 332 | ha_free(&p); |
| 333 | } |
| 334 | |
Willy Tarreau | 977b8e4 | 2006-12-29 14:19:17 +0100 | [diff] [blame] | 335 | /* |
Willy Tarreau | 816eb54 | 2007-11-04 07:04:43 +0100 | [diff] [blame] | 336 | * This function returns a string containing a name describing capabilities to |
| 337 | * report comprehensible error messages. Specifically, it will return the words |
Willy Tarreau | 80dc6fe | 2021-02-12 09:43:33 +0100 | [diff] [blame] | 338 | * "frontend", "backend" when appropriate, "defaults" if it corresponds to a |
| 339 | * defaults section, or "proxy" for all other cases including the proxies |
| 340 | * declared in "listen" mode. |
Willy Tarreau | 977b8e4 | 2006-12-29 14:19:17 +0100 | [diff] [blame] | 341 | */ |
Willy Tarreau | 816eb54 | 2007-11-04 07:04:43 +0100 | [diff] [blame] | 342 | const char *proxy_cap_str(int cap) |
Willy Tarreau | 977b8e4 | 2006-12-29 14:19:17 +0100 | [diff] [blame] | 343 | { |
Willy Tarreau | 80dc6fe | 2021-02-12 09:43:33 +0100 | [diff] [blame] | 344 | if (cap & PR_CAP_DEF) |
| 345 | return "defaults"; |
| 346 | |
Willy Tarreau | 816eb54 | 2007-11-04 07:04:43 +0100 | [diff] [blame] | 347 | if ((cap & PR_CAP_LISTEN) != PR_CAP_LISTEN) { |
| 348 | if (cap & PR_CAP_FE) |
| 349 | return "frontend"; |
| 350 | else if (cap & PR_CAP_BE) |
| 351 | return "backend"; |
Willy Tarreau | 816eb54 | 2007-11-04 07:04:43 +0100 | [diff] [blame] | 352 | } |
| 353 | return "proxy"; |
Willy Tarreau | 977b8e4 | 2006-12-29 14:19:17 +0100 | [diff] [blame] | 354 | } |
| 355 | |
Krzysztof Piotr Oledzki | 6eb730d | 2007-11-03 23:41:58 +0100 | [diff] [blame] | 356 | /* |
| 357 | * This function returns a string containing the mode of the proxy in a format |
| 358 | * suitable for error messages. |
| 359 | */ |
Krzysztof Piotr Oledzki | 6eb730d | 2007-11-03 23:41:58 +0100 | [diff] [blame] | 360 | const char *proxy_mode_str(int mode) { |
| 361 | |
| 362 | if (mode == PR_MODE_TCP) |
| 363 | return "tcp"; |
| 364 | else if (mode == PR_MODE_HTTP) |
| 365 | return "http"; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 366 | else if (mode == PR_MODE_CLI) |
| 367 | return "cli"; |
Krzysztof Piotr Oledzki | 6eb730d | 2007-11-03 23:41:58 +0100 | [diff] [blame] | 368 | else |
| 369 | return "unknown"; |
| 370 | } |
| 371 | |
Willy Tarreau | 31a3cea | 2021-03-15 11:11:55 +0100 | [diff] [blame] | 372 | /* try to find among known options the one that looks closest to <word> by |
| 373 | * counting transitions between letters, digits and other characters. Will |
| 374 | * return the best matching word if found, otherwise NULL. An optional array |
| 375 | * of extra words to compare may be passed in <extra>, but it must then be |
| 376 | * terminated by a NULL entry. If unused it may be NULL. |
| 377 | */ |
| 378 | const char *proxy_find_best_option(const char *word, const char **extra) |
| 379 | { |
| 380 | uint8_t word_sig[1024]; |
| 381 | uint8_t list_sig[1024]; |
| 382 | const char *best_ptr = NULL; |
| 383 | int dist, best_dist = INT_MAX; |
| 384 | int index; |
| 385 | |
| 386 | make_word_fingerprint(word_sig, word); |
| 387 | |
| 388 | for (index = 0; cfg_opts[index].name; index++) { |
| 389 | make_word_fingerprint(list_sig, cfg_opts[index].name); |
| 390 | dist = word_fingerprint_distance(word_sig, list_sig); |
| 391 | if (dist < best_dist) { |
| 392 | best_dist = dist; |
| 393 | best_ptr = cfg_opts[index].name; |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | for (index = 0; cfg_opts2[index].name; index++) { |
| 398 | make_word_fingerprint(list_sig, cfg_opts2[index].name); |
| 399 | dist = word_fingerprint_distance(word_sig, list_sig); |
| 400 | if (dist < best_dist) { |
| 401 | best_dist = dist; |
| 402 | best_ptr = cfg_opts2[index].name; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | while (extra && *extra) { |
| 407 | make_word_fingerprint(list_sig, *extra); |
| 408 | dist = word_fingerprint_distance(word_sig, list_sig); |
| 409 | if (dist < best_dist) { |
| 410 | best_dist = dist; |
| 411 | best_ptr = *extra; |
| 412 | } |
| 413 | extra++; |
| 414 | } |
| 415 | |
| 416 | if (best_dist > 2 * strlen(word) || (best_ptr && best_dist > 2 * strlen(best_ptr))) |
| 417 | best_ptr = NULL; |
| 418 | return best_ptr; |
| 419 | } |
| 420 | |
Willy Tarreau | f395017 | 2009-10-10 18:35:51 +0200 | [diff] [blame] | 421 | /* |
| 422 | * This function scans the list of backends and servers to retrieve the first |
| 423 | * backend and the first server with the given names, and sets them in both |
| 424 | * parameters. It returns zero if either is not found, or non-zero and sets |
| 425 | * the ones it did not found to NULL. If a NULL pointer is passed for the |
| 426 | * backend, only the pointer to the server will be updated. |
| 427 | */ |
| 428 | int get_backend_server(const char *bk_name, const char *sv_name, |
| 429 | struct proxy **bk, struct server **sv) |
| 430 | { |
| 431 | struct proxy *p; |
| 432 | struct server *s; |
Willy Tarreau | 7ecc420 | 2014-03-15 07:57:11 +0100 | [diff] [blame] | 433 | int sid; |
Willy Tarreau | f395017 | 2009-10-10 18:35:51 +0200 | [diff] [blame] | 434 | |
| 435 | *sv = NULL; |
| 436 | |
Willy Tarreau | 050536d | 2012-10-04 08:47:34 +0200 | [diff] [blame] | 437 | sid = -1; |
Willy Tarreau | cfeaa47 | 2009-10-10 22:33:08 +0200 | [diff] [blame] | 438 | if (*sv_name == '#') |
| 439 | sid = atoi(sv_name + 1); |
| 440 | |
Willy Tarreau | 9e0bb10 | 2015-05-26 11:24:42 +0200 | [diff] [blame] | 441 | p = proxy_be_by_name(bk_name); |
Willy Tarreau | f395017 | 2009-10-10 18:35:51 +0200 | [diff] [blame] | 442 | if (bk) |
| 443 | *bk = p; |
| 444 | if (!p) |
| 445 | return 0; |
| 446 | |
| 447 | for (s = p->srv; s; s = s->next) |
Willy Tarreau | 4055a10 | 2012-11-15 00:15:18 +0100 | [diff] [blame] | 448 | if ((sid >= 0 && s->puid == sid) || |
| 449 | (sid < 0 && strcmp(s->id, sv_name) == 0)) |
Willy Tarreau | f395017 | 2009-10-10 18:35:51 +0200 | [diff] [blame] | 450 | break; |
| 451 | *sv = s; |
| 452 | if (!s) |
| 453 | return 0; |
| 454 | return 1; |
| 455 | } |
| 456 | |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 457 | /* This function parses a "timeout" statement in a proxy section. It returns |
| 458 | * -1 if there is any error, 1 for a warning, otherwise zero. If it does not |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 459 | * return zero, it will write an error or warning message into a preallocated |
| 460 | * buffer returned at <err>. The trailing is not be written. The function must |
| 461 | * be called with <args> pointing to the first command line word, with <proxy> |
| 462 | * pointing to the proxy being parsed, and <defpx> to the default proxy or NULL. |
| 463 | * As a special case for compatibility with older configs, it also accepts |
| 464 | * "{cli|srv|con}timeout" in args[0]. |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 465 | */ |
Willy Tarreau | 9de1bbd | 2008-07-09 20:34:27 +0200 | [diff] [blame] | 466 | static int proxy_parse_timeout(char **args, int section, struct proxy *proxy, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 467 | const struct proxy *defpx, const char *file, int line, |
Willy Tarreau | 28a47d6 | 2012-09-18 20:02:48 +0200 | [diff] [blame] | 468 | char **err) |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 469 | { |
| 470 | unsigned timeout; |
| 471 | int retval, cap; |
| 472 | const char *res, *name; |
Willy Tarreau | 0c303ee | 2008-07-07 00:09:58 +0200 | [diff] [blame] | 473 | int *tv = NULL; |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 474 | const int *td = NULL; |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 475 | |
| 476 | retval = 0; |
Willy Tarreau | 9de1bbd | 2008-07-09 20:34:27 +0200 | [diff] [blame] | 477 | |
| 478 | /* simply skip "timeout" but remain compatible with old form */ |
| 479 | if (strcmp(args[0], "timeout") == 0) |
| 480 | args++; |
| 481 | |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 482 | name = args[0]; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 483 | if (strcmp(args[0], "client") == 0) { |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 484 | name = "client"; |
Willy Tarreau | d7c30f9 | 2007-12-03 01:38:36 +0100 | [diff] [blame] | 485 | tv = &proxy->timeout.client; |
| 486 | td = &defpx->timeout.client; |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 487 | cap = PR_CAP_FE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 488 | } else if (strcmp(args[0], "tarpit") == 0) { |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 489 | tv = &proxy->timeout.tarpit; |
| 490 | td = &defpx->timeout.tarpit; |
Willy Tarreau | 51c9bde | 2008-01-06 13:40:03 +0100 | [diff] [blame] | 491 | cap = PR_CAP_FE | PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 492 | } else if (strcmp(args[0], "http-keep-alive") == 0) { |
Willy Tarreau | b16a574 | 2010-01-10 14:46:16 +0100 | [diff] [blame] | 493 | tv = &proxy->timeout.httpka; |
| 494 | td = &defpx->timeout.httpka; |
| 495 | cap = PR_CAP_FE | PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 496 | } else if (strcmp(args[0], "http-request") == 0) { |
Willy Tarreau | 036fae0 | 2008-01-06 13:24:40 +0100 | [diff] [blame] | 497 | tv = &proxy->timeout.httpreq; |
| 498 | td = &defpx->timeout.httpreq; |
Willy Tarreau | cd7afc0 | 2009-07-12 10:03:17 +0200 | [diff] [blame] | 499 | cap = PR_CAP_FE | PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 500 | } else if (strcmp(args[0], "server") == 0) { |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 501 | name = "server"; |
Willy Tarreau | d7c30f9 | 2007-12-03 01:38:36 +0100 | [diff] [blame] | 502 | tv = &proxy->timeout.server; |
| 503 | td = &defpx->timeout.server; |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 504 | cap = PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 505 | } else if (strcmp(args[0], "connect") == 0) { |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 506 | name = "connect"; |
Willy Tarreau | d7c30f9 | 2007-12-03 01:38:36 +0100 | [diff] [blame] | 507 | tv = &proxy->timeout.connect; |
| 508 | td = &defpx->timeout.connect; |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 509 | cap = PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 510 | } else if (strcmp(args[0], "check") == 0) { |
Krzysztof Piotr Oledzki | 5259dfe | 2008-01-21 01:54:06 +0100 | [diff] [blame] | 511 | tv = &proxy->timeout.check; |
| 512 | td = &defpx->timeout.check; |
| 513 | cap = PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 514 | } else if (strcmp(args[0], "queue") == 0) { |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 515 | tv = &proxy->timeout.queue; |
| 516 | td = &defpx->timeout.queue; |
| 517 | cap = PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 518 | } else if (strcmp(args[0], "tunnel") == 0) { |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 519 | tv = &proxy->timeout.tunnel; |
| 520 | td = &defpx->timeout.tunnel; |
| 521 | cap = PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 522 | } else if (strcmp(args[0], "client-fin") == 0) { |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 523 | tv = &proxy->timeout.clientfin; |
| 524 | td = &defpx->timeout.clientfin; |
| 525 | cap = PR_CAP_FE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 526 | } else if (strcmp(args[0], "server-fin") == 0) { |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 527 | tv = &proxy->timeout.serverfin; |
| 528 | td = &defpx->timeout.serverfin; |
| 529 | cap = PR_CAP_BE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 530 | } else if (strcmp(args[0], "clitimeout") == 0) { |
Tim Duesterhus | 86e6b6e | 2019-05-14 20:57:59 +0200 | [diff] [blame] | 531 | memprintf(err, "the '%s' directive is not supported anymore since HAProxy 2.1. Use 'timeout client'.", args[0]); |
| 532 | return -1; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 533 | } else if (strcmp(args[0], "srvtimeout") == 0) { |
Tim Duesterhus | 86e6b6e | 2019-05-14 20:57:59 +0200 | [diff] [blame] | 534 | memprintf(err, "the '%s' directive is not supported anymore since HAProxy 2.1. Use 'timeout server'.", args[0]); |
| 535 | return -1; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 536 | } else if (strcmp(args[0], "contimeout") == 0) { |
Tim Duesterhus | 86e6b6e | 2019-05-14 20:57:59 +0200 | [diff] [blame] | 537 | memprintf(err, "the '%s' directive is not supported anymore since HAProxy 2.1. Use 'timeout connect'.", args[0]); |
| 538 | return -1; |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 539 | } else { |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 540 | memprintf(err, |
| 541 | "'timeout' supports 'client', 'server', 'connect', 'check', " |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 542 | "'queue', 'http-keep-alive', 'http-request', 'tunnel', 'tarpit', " |
| 543 | "'client-fin' and 'server-fin' (got '%s')", |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 544 | args[0]); |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 545 | return -1; |
| 546 | } |
| 547 | |
| 548 | if (*args[1] == 0) { |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 549 | memprintf(err, "'timeout %s' expects an integer value (in milliseconds)", name); |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 550 | return -1; |
| 551 | } |
| 552 | |
| 553 | res = parse_time_err(args[1], &timeout, TIME_UNIT_MS); |
Willy Tarreau | 9faebe3 | 2019-06-07 19:00:37 +0200 | [diff] [blame] | 554 | if (res == PARSE_TIME_OVER) { |
| 555 | memprintf(err, "timer overflow in argument '%s' to 'timeout %s' (maximum value is 2147483647 ms or ~24.8 days)", |
| 556 | args[1], name); |
| 557 | return -1; |
| 558 | } |
| 559 | else if (res == PARSE_TIME_UNDER) { |
| 560 | memprintf(err, "timer underflow in argument '%s' to 'timeout %s' (minimum non-null value is 1 ms)", |
| 561 | args[1], name); |
| 562 | return -1; |
| 563 | } |
| 564 | else if (res) { |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 565 | memprintf(err, "unexpected character '%c' in 'timeout %s'", *res, name); |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 566 | return -1; |
| 567 | } |
| 568 | |
| 569 | if (!(proxy->cap & cap)) { |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 570 | memprintf(err, "'timeout %s' will be ignored because %s '%s' has no %s capability", |
| 571 | name, proxy_type_str(proxy), proxy->id, |
| 572 | (cap & PR_CAP_BE) ? "backend" : "frontend"); |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 573 | retval = 1; |
| 574 | } |
Willy Tarreau | 0c303ee | 2008-07-07 00:09:58 +0200 | [diff] [blame] | 575 | else if (defpx && *tv != *td) { |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 576 | memprintf(err, "overwriting 'timeout %s' which was already specified", name); |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 577 | retval = 1; |
| 578 | } |
| 579 | |
Willy Tarreau | fac5b59 | 2014-05-22 08:24:46 +0200 | [diff] [blame] | 580 | if (*args[2] != 0) { |
| 581 | memprintf(err, "'timeout %s' : unexpected extra argument '%s' after value '%s'.", name, args[2], args[1]); |
| 582 | retval = -1; |
| 583 | } |
| 584 | |
Willy Tarreau | 0c303ee | 2008-07-07 00:09:58 +0200 | [diff] [blame] | 585 | *tv = MS_TO_TICKS(timeout); |
Willy Tarreau | e219db7 | 2007-12-03 01:30:13 +0100 | [diff] [blame] | 586 | return retval; |
| 587 | } |
| 588 | |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 589 | /* This function parses a "rate-limit" statement in a proxy section. It returns |
| 590 | * -1 if there is any error, 1 for a warning, otherwise zero. If it does not |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 591 | * return zero, it will write an error or warning message into a preallocated |
| 592 | * buffer returned at <err>. The function must be called with <args> pointing |
| 593 | * to the first command line word, with <proxy> pointing to the proxy being |
| 594 | * parsed, and <defpx> to the default proxy or NULL. |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 595 | */ |
| 596 | static int proxy_parse_rate_limit(char **args, int section, struct proxy *proxy, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 597 | const struct proxy *defpx, const char *file, int line, |
Willy Tarreau | 28a47d6 | 2012-09-18 20:02:48 +0200 | [diff] [blame] | 598 | char **err) |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 599 | { |
William Dauchy | bb9da0b | 2020-01-16 01:34:27 +0100 | [diff] [blame] | 600 | int retval; |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 601 | char *res; |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 602 | unsigned int *tv = NULL; |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 603 | const unsigned int *td = NULL; |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 604 | unsigned int val; |
| 605 | |
| 606 | retval = 0; |
| 607 | |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 608 | if (strcmp(args[1], "sessions") == 0) { |
Willy Tarreau | 13a34bd | 2009-05-10 18:52:49 +0200 | [diff] [blame] | 609 | tv = &proxy->fe_sps_lim; |
| 610 | td = &defpx->fe_sps_lim; |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 611 | } |
| 612 | else { |
| 613 | memprintf(err, "'%s' only supports 'sessions' (got '%s')", args[0], args[1]); |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 614 | return -1; |
| 615 | } |
| 616 | |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 617 | if (*args[2] == 0) { |
| 618 | memprintf(err, "'%s %s' expects expects an integer value (in sessions/second)", args[0], args[1]); |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 619 | return -1; |
| 620 | } |
| 621 | |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 622 | val = strtoul(args[2], &res, 0); |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 623 | if (*res) { |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 624 | memprintf(err, "'%s %s' : unexpected character '%c' in integer value '%s'", args[0], args[1], *res, args[2]); |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 625 | return -1; |
| 626 | } |
| 627 | |
William Dauchy | bb9da0b | 2020-01-16 01:34:27 +0100 | [diff] [blame] | 628 | if (!(proxy->cap & PR_CAP_FE)) { |
| 629 | memprintf(err, "%s %s will be ignored because %s '%s' has no frontend capability", |
| 630 | args[0], args[1], proxy_type_str(proxy), proxy->id); |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 631 | retval = 1; |
| 632 | } |
| 633 | else if (defpx && *tv != *td) { |
Willy Tarreau | 0a3dd74 | 2012-05-08 19:47:01 +0200 | [diff] [blame] | 634 | memprintf(err, "overwriting %s %s which was already specified", args[0], args[1]); |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 635 | retval = 1; |
| 636 | } |
| 637 | |
| 638 | *tv = val; |
| 639 | return retval; |
| 640 | } |
| 641 | |
Willy Tarreau | c35362a | 2014-04-25 13:58:37 +0200 | [diff] [blame] | 642 | /* This function parses a "max-keep-alive-queue" statement in a proxy section. |
| 643 | * It returns -1 if there is any error, 1 for a warning, otherwise zero. If it |
| 644 | * does not return zero, it will write an error or warning message into a |
| 645 | * preallocated buffer returned at <err>. The function must be called with |
| 646 | * <args> pointing to the first command line word, with <proxy> pointing to |
| 647 | * the proxy being parsed, and <defpx> to the default proxy or NULL. |
| 648 | */ |
| 649 | static int proxy_parse_max_ka_queue(char **args, int section, struct proxy *proxy, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 650 | const struct proxy *defpx, const char *file, int line, |
Willy Tarreau | c35362a | 2014-04-25 13:58:37 +0200 | [diff] [blame] | 651 | char **err) |
| 652 | { |
| 653 | int retval; |
| 654 | char *res; |
| 655 | unsigned int val; |
| 656 | |
| 657 | retval = 0; |
| 658 | |
| 659 | if (*args[1] == 0) { |
| 660 | memprintf(err, "'%s' expects expects an integer value (or -1 to disable)", args[0]); |
| 661 | return -1; |
| 662 | } |
| 663 | |
| 664 | val = strtol(args[1], &res, 0); |
| 665 | if (*res) { |
| 666 | memprintf(err, "'%s' : unexpected character '%c' in integer value '%s'", args[0], *res, args[1]); |
| 667 | return -1; |
| 668 | } |
| 669 | |
| 670 | if (!(proxy->cap & PR_CAP_BE)) { |
| 671 | memprintf(err, "%s will be ignored because %s '%s' has no backend capability", |
| 672 | args[0], proxy_type_str(proxy), proxy->id); |
| 673 | retval = 1; |
| 674 | } |
| 675 | |
| 676 | /* we store <val+1> so that a user-facing value of -1 is stored as zero (default) */ |
| 677 | proxy->max_ka_queue = val + 1; |
| 678 | return retval; |
| 679 | } |
| 680 | |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 681 | /* This function parses a "declare" statement in a proxy section. It returns -1 |
| 682 | * if there is any error, 1 for warning, otherwise 0. If it does not return zero, |
| 683 | * it will write an error or warning message into a preallocated buffer returned |
| 684 | * at <err>. The function must be called with <args> pointing to the first command |
| 685 | * line word, with <proxy> pointing to the proxy being parsed, and <defpx> to the |
| 686 | * default proxy or NULL. |
| 687 | */ |
| 688 | static int proxy_parse_declare(char **args, int section, struct proxy *curpx, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 689 | const struct proxy *defpx, const char *file, int line, |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 690 | char **err) |
| 691 | { |
| 692 | /* Capture keyword wannot be declared in a default proxy. */ |
| 693 | if (curpx == defpx) { |
Joseph Herlant | 9edebb8 | 2018-11-15 11:50:44 -0800 | [diff] [blame] | 694 | memprintf(err, "'%s' not available in default section", args[0]); |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 695 | return -1; |
| 696 | } |
| 697 | |
Thayne McCombs | 8f0cc5c | 2021-01-07 21:35:52 -0700 | [diff] [blame] | 698 | /* Capture keyword is only available in frontend. */ |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 699 | if (!(curpx->cap & PR_CAP_FE)) { |
Joseph Herlant | 9edebb8 | 2018-11-15 11:50:44 -0800 | [diff] [blame] | 700 | memprintf(err, "'%s' only available in frontend or listen section", args[0]); |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 701 | return -1; |
| 702 | } |
| 703 | |
| 704 | /* Check mandatory second keyword. */ |
| 705 | if (!args[1] || !*args[1]) { |
| 706 | memprintf(err, "'%s' needs a second keyword that specify the type of declaration ('capture')", args[0]); |
| 707 | return -1; |
| 708 | } |
| 709 | |
Joseph Herlant | 59dd295 | 2018-11-15 11:46:55 -0800 | [diff] [blame] | 710 | /* Actually, declare is only available for declaring capture |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 711 | * slot, but in the future it can declare maps or variables. |
Joseph Herlant | 59dd295 | 2018-11-15 11:46:55 -0800 | [diff] [blame] | 712 | * So, this section permits to check and switch according with |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 713 | * the second keyword. |
| 714 | */ |
| 715 | if (strcmp(args[1], "capture") == 0) { |
| 716 | char *error = NULL; |
| 717 | long len; |
| 718 | struct cap_hdr *hdr; |
| 719 | |
| 720 | /* Check the next keyword. */ |
| 721 | if (!args[2] || !*args[2] || |
| 722 | (strcmp(args[2], "response") != 0 && |
| 723 | strcmp(args[2], "request") != 0)) { |
| 724 | memprintf(err, "'%s %s' requires a direction ('request' or 'response')", args[0], args[1]); |
| 725 | return -1; |
| 726 | } |
| 727 | |
| 728 | /* Check the 'len' keyword. */ |
| 729 | if (!args[3] || !*args[3] || strcmp(args[3], "len") != 0) { |
| 730 | memprintf(err, "'%s %s' requires a capture length ('len')", args[0], args[1]); |
| 731 | return -1; |
| 732 | } |
| 733 | |
| 734 | /* Check the length value. */ |
| 735 | if (!args[4] || !*args[4]) { |
| 736 | memprintf(err, "'%s %s': 'len' requires a numeric value that represents the " |
| 737 | "capture length", |
| 738 | args[0], args[1]); |
| 739 | return -1; |
| 740 | } |
| 741 | |
| 742 | /* convert the length value. */ |
| 743 | len = strtol(args[4], &error, 10); |
| 744 | if (*error != '\0') { |
| 745 | memprintf(err, "'%s %s': cannot parse the length '%s'.", |
| 746 | args[0], args[1], args[3]); |
| 747 | return -1; |
| 748 | } |
| 749 | |
| 750 | /* check length. */ |
| 751 | if (len <= 0) { |
| 752 | memprintf(err, "length must be > 0"); |
| 753 | return -1; |
| 754 | } |
| 755 | |
| 756 | /* register the capture. */ |
Vincent Bernat | 02779b6 | 2016-04-03 13:48:43 +0200 | [diff] [blame] | 757 | hdr = calloc(1, sizeof(*hdr)); |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 758 | hdr->name = NULL; /* not a header capture */ |
| 759 | hdr->namelen = 0; |
| 760 | hdr->len = len; |
| 761 | hdr->pool = create_pool("caphdr", hdr->len + 1, MEM_F_SHARED); |
| 762 | |
| 763 | if (strcmp(args[2], "request") == 0) { |
| 764 | hdr->next = curpx->req_cap; |
| 765 | hdr->index = curpx->nb_req_cap++; |
| 766 | curpx->req_cap = hdr; |
| 767 | } |
| 768 | if (strcmp(args[2], "response") == 0) { |
| 769 | hdr->next = curpx->rsp_cap; |
| 770 | hdr->index = curpx->nb_rsp_cap++; |
| 771 | curpx->rsp_cap = hdr; |
| 772 | } |
| 773 | return 0; |
| 774 | } |
| 775 | else { |
| 776 | memprintf(err, "unknown declaration type '%s' (supports 'capture')", args[1]); |
| 777 | return -1; |
| 778 | } |
| 779 | } |
| 780 | |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 781 | /* This function parses a "retry-on" statement */ |
| 782 | static int |
| 783 | proxy_parse_retry_on(char **args, int section, struct proxy *curpx, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 784 | const struct proxy *defpx, const char *file, int line, |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 785 | char **err) |
| 786 | { |
| 787 | int i; |
| 788 | |
| 789 | if (!(*args[1])) { |
| 790 | memprintf(err, "'%s' needs at least one keyword to specify when to retry", args[0]); |
| 791 | return -1; |
| 792 | } |
| 793 | if (!(curpx->cap & PR_CAP_BE)) { |
| 794 | memprintf(err, "'%s' only available in backend or listen section", args[0]); |
| 795 | return -1; |
| 796 | } |
| 797 | curpx->retry_type = 0; |
| 798 | for (i = 1; *(args[i]); i++) { |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 799 | if (strcmp(args[i], "conn-failure") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 800 | curpx->retry_type |= PR_RE_CONN_FAILED; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 801 | else if (strcmp(args[i], "empty-response") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 802 | curpx->retry_type |= PR_RE_DISCONNECTED; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 803 | else if (strcmp(args[i], "response-timeout") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 804 | curpx->retry_type |= PR_RE_TIMEOUT; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 805 | else if (strcmp(args[i], "401") == 0) |
Julien Pivotto | 2de240a | 2020-11-12 11:14:05 +0100 | [diff] [blame] | 806 | curpx->retry_type |= PR_RE_401; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 807 | else if (strcmp(args[i], "403") == 0) |
Julien Pivotto | 2de240a | 2020-11-12 11:14:05 +0100 | [diff] [blame] | 808 | curpx->retry_type |= PR_RE_403; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 809 | else if (strcmp(args[i], "404") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 810 | curpx->retry_type |= PR_RE_404; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 811 | else if (strcmp(args[i], "408") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 812 | curpx->retry_type |= PR_RE_408; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 813 | else if (strcmp(args[i], "425") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 814 | curpx->retry_type |= PR_RE_425; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 815 | else if (strcmp(args[i], "500") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 816 | curpx->retry_type |= PR_RE_500; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 817 | else if (strcmp(args[i], "501") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 818 | curpx->retry_type |= PR_RE_501; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 819 | else if (strcmp(args[i], "502") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 820 | curpx->retry_type |= PR_RE_502; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 821 | else if (strcmp(args[i], "503") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 822 | curpx->retry_type |= PR_RE_503; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 823 | else if (strcmp(args[i], "504") == 0) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 824 | curpx->retry_type |= PR_RE_504; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 825 | else if (strcmp(args[i], "0rtt-rejected") == 0) |
Olivier Houchard | 865d839 | 2019-05-03 22:46:27 +0200 | [diff] [blame] | 826 | curpx->retry_type |= PR_RE_EARLY_ERROR; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 827 | else if (strcmp(args[i], "junk-response") == 0) |
Olivier Houchard | e3249a9 | 2019-05-03 23:01:47 +0200 | [diff] [blame] | 828 | curpx->retry_type |= PR_RE_JUNK_REQUEST; |
Olivier Houchard | ddf0e03 | 2019-05-10 18:05:40 +0200 | [diff] [blame] | 829 | else if (!(strcmp(args[i], "all-retryable-errors"))) |
| 830 | curpx->retry_type |= PR_RE_CONN_FAILED | PR_RE_DISCONNECTED | |
| 831 | PR_RE_TIMEOUT | PR_RE_500 | PR_RE_502 | |
| 832 | PR_RE_503 | PR_RE_504 | PR_RE_EARLY_ERROR | |
| 833 | PR_RE_JUNK_REQUEST; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 834 | else if (strcmp(args[i], "none") == 0) { |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 835 | if (i != 1 || *args[i + 1]) { |
| 836 | memprintf(err, "'%s' 'none' keyworld only usable alone", args[0]); |
| 837 | return -1; |
| 838 | } |
| 839 | } else { |
| 840 | memprintf(err, "'%s': unknown keyword '%s'", args[0], args[i]); |
| 841 | return -1; |
| 842 | } |
| 843 | |
| 844 | } |
| 845 | |
| 846 | |
| 847 | return 0; |
| 848 | } |
| 849 | |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 850 | #ifdef TCP_KEEPCNT |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 851 | /* This function parses "{cli|srv}tcpka-cnt" statements */ |
| 852 | static int proxy_parse_tcpka_cnt(char **args, int section, struct proxy *proxy, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 853 | const struct proxy *defpx, const char *file, int line, |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 854 | char **err) |
| 855 | { |
| 856 | int retval; |
| 857 | char *res; |
| 858 | unsigned int tcpka_cnt; |
| 859 | |
| 860 | retval = 0; |
| 861 | |
| 862 | if (*args[1] == 0) { |
| 863 | memprintf(err, "'%s' expects an integer value", args[0]); |
| 864 | return -1; |
| 865 | } |
| 866 | |
| 867 | tcpka_cnt = strtol(args[1], &res, 0); |
| 868 | if (*res) { |
| 869 | memprintf(err, "'%s' : unexpected character '%c' in integer value '%s'", args[0], *res, args[1]); |
| 870 | return -1; |
| 871 | } |
| 872 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 873 | if (strcmp(args[0], "clitcpka-cnt") == 0) { |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 874 | if (!(proxy->cap & PR_CAP_FE)) { |
| 875 | memprintf(err, "%s will be ignored because %s '%s' has no frontend capability", |
| 876 | args[0], proxy_type_str(proxy), proxy->id); |
| 877 | retval = 1; |
| 878 | } |
| 879 | proxy->clitcpka_cnt = tcpka_cnt; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 880 | } else if (strcmp(args[0], "srvtcpka-cnt") == 0) { |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 881 | if (!(proxy->cap & PR_CAP_BE)) { |
| 882 | memprintf(err, "%s will be ignored because %s '%s' has no backend capability", |
| 883 | args[0], proxy_type_str(proxy), proxy->id); |
| 884 | retval = 1; |
| 885 | } |
| 886 | proxy->srvtcpka_cnt = tcpka_cnt; |
| 887 | } else { |
| 888 | /* unreachable */ |
| 889 | memprintf(err, "'%s': unknown keyword", args[0]); |
| 890 | return -1; |
| 891 | } |
| 892 | |
| 893 | return retval; |
| 894 | } |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 895 | #endif |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 896 | |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 897 | #ifdef TCP_KEEPIDLE |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 898 | /* This function parses "{cli|srv}tcpka-idle" statements */ |
| 899 | static int proxy_parse_tcpka_idle(char **args, int section, struct proxy *proxy, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 900 | const struct proxy *defpx, const char *file, int line, |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 901 | char **err) |
| 902 | { |
| 903 | int retval; |
| 904 | const char *res; |
| 905 | unsigned int tcpka_idle; |
| 906 | |
| 907 | retval = 0; |
| 908 | |
| 909 | if (*args[1] == 0) { |
| 910 | memprintf(err, "'%s' expects an integer value", args[0]); |
| 911 | return -1; |
| 912 | } |
| 913 | res = parse_time_err(args[1], &tcpka_idle, TIME_UNIT_S); |
| 914 | if (res == PARSE_TIME_OVER) { |
| 915 | memprintf(err, "timer overflow in argument '%s' to '%s' (maximum value is 2147483647 ms or ~24.8 days)", |
| 916 | args[1], args[0]); |
| 917 | return -1; |
| 918 | } |
| 919 | else if (res == PARSE_TIME_UNDER) { |
| 920 | memprintf(err, "timer underflow in argument '%s' to '%s' (minimum non-null value is 1 ms)", |
| 921 | args[1], args[0]); |
| 922 | return -1; |
| 923 | } |
| 924 | else if (res) { |
| 925 | memprintf(err, "unexpected character '%c' in argument to <%s>.\n", *res, args[0]); |
| 926 | return -1; |
| 927 | } |
| 928 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 929 | if (strcmp(args[0], "clitcpka-idle") == 0) { |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 930 | if (!(proxy->cap & PR_CAP_FE)) { |
| 931 | memprintf(err, "%s will be ignored because %s '%s' has no frontend capability", |
| 932 | args[0], proxy_type_str(proxy), proxy->id); |
| 933 | retval = 1; |
| 934 | } |
| 935 | proxy->clitcpka_idle = tcpka_idle; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 936 | } else if (strcmp(args[0], "srvtcpka-idle") == 0) { |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 937 | if (!(proxy->cap & PR_CAP_BE)) { |
| 938 | memprintf(err, "%s will be ignored because %s '%s' has no backend capability", |
| 939 | args[0], proxy_type_str(proxy), proxy->id); |
| 940 | retval = 1; |
| 941 | } |
| 942 | proxy->srvtcpka_idle = tcpka_idle; |
| 943 | } else { |
| 944 | /* unreachable */ |
| 945 | memprintf(err, "'%s': unknown keyword", args[0]); |
| 946 | return -1; |
| 947 | } |
| 948 | |
| 949 | return retval; |
| 950 | } |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 951 | #endif |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 952 | |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 953 | #ifdef TCP_KEEPINTVL |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 954 | /* This function parses "{cli|srv}tcpka-intvl" statements */ |
| 955 | static int proxy_parse_tcpka_intvl(char **args, int section, struct proxy *proxy, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 956 | const struct proxy *defpx, const char *file, int line, |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 957 | char **err) |
| 958 | { |
| 959 | int retval; |
| 960 | const char *res; |
| 961 | unsigned int tcpka_intvl; |
| 962 | |
| 963 | retval = 0; |
| 964 | |
| 965 | if (*args[1] == 0) { |
| 966 | memprintf(err, "'%s' expects an integer value", args[0]); |
| 967 | return -1; |
| 968 | } |
| 969 | res = parse_time_err(args[1], &tcpka_intvl, TIME_UNIT_S); |
| 970 | if (res == PARSE_TIME_OVER) { |
| 971 | memprintf(err, "timer overflow in argument '%s' to '%s' (maximum value is 2147483647 ms or ~24.8 days)", |
| 972 | args[1], args[0]); |
| 973 | return -1; |
| 974 | } |
| 975 | else if (res == PARSE_TIME_UNDER) { |
| 976 | memprintf(err, "timer underflow in argument '%s' to '%s' (minimum non-null value is 1 ms)", |
| 977 | args[1], args[0]); |
| 978 | return -1; |
| 979 | } |
| 980 | else if (res) { |
| 981 | memprintf(err, "unexpected character '%c' in argument to <%s>.\n", *res, args[0]); |
| 982 | return -1; |
| 983 | } |
| 984 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 985 | if (strcmp(args[0], "clitcpka-intvl") == 0) { |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 986 | if (!(proxy->cap & PR_CAP_FE)) { |
| 987 | memprintf(err, "%s will be ignored because %s '%s' has no frontend capability", |
| 988 | args[0], proxy_type_str(proxy), proxy->id); |
| 989 | retval = 1; |
| 990 | } |
| 991 | proxy->clitcpka_intvl = tcpka_intvl; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 992 | } else if (strcmp(args[0], "srvtcpka-intvl") == 0) { |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 993 | if (!(proxy->cap & PR_CAP_BE)) { |
| 994 | memprintf(err, "%s will be ignored because %s '%s' has no backend capability", |
| 995 | args[0], proxy_type_str(proxy), proxy->id); |
| 996 | retval = 1; |
| 997 | } |
| 998 | proxy->srvtcpka_intvl = tcpka_intvl; |
| 999 | } else { |
| 1000 | /* unreachable */ |
| 1001 | memprintf(err, "'%s': unknown keyword", args[0]); |
| 1002 | return -1; |
| 1003 | } |
| 1004 | |
| 1005 | return retval; |
| 1006 | } |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 1007 | #endif |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 1008 | |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 1009 | /* This function inserts proxy <px> into the tree of known proxies (regular |
| 1010 | * ones or defaults depending on px->cap & PR_CAP_DEF). The proxy's name is |
| 1011 | * used as the storing key so it must already have been initialized. |
Willy Tarreau | f79d950 | 2014-03-15 07:22:35 +0100 | [diff] [blame] | 1012 | */ |
| 1013 | void proxy_store_name(struct proxy *px) |
| 1014 | { |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 1015 | struct eb_root *root = (px->cap & PR_CAP_DEF) ? &defproxy_by_name : &proxy_by_name; |
| 1016 | |
Willy Tarreau | f79d950 | 2014-03-15 07:22:35 +0100 | [diff] [blame] | 1017 | px->conf.by_name.key = px->id; |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 1018 | ebis_insert(root, &px->conf.by_name); |
Willy Tarreau | f79d950 | 2014-03-15 07:22:35 +0100 | [diff] [blame] | 1019 | } |
| 1020 | |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1021 | /* Returns a pointer to the first proxy matching capabilities <cap> and id |
| 1022 | * <id>. NULL is returned if no match is found. If <table> is non-zero, it |
| 1023 | * only considers proxies having a table. |
Willy Tarreau | bc216c4 | 2011-08-02 11:25:54 +0200 | [diff] [blame] | 1024 | */ |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1025 | struct proxy *proxy_find_by_id(int id, int cap, int table) |
Willy Tarreau | 9e0bb10 | 2015-05-26 11:24:42 +0200 | [diff] [blame] | 1026 | { |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1027 | struct eb32_node *n; |
Willy Tarreau | bc216c4 | 2011-08-02 11:25:54 +0200 | [diff] [blame] | 1028 | |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1029 | for (n = eb32_lookup(&used_proxy_id, id); n; n = eb32_next(n)) { |
| 1030 | struct proxy *px = container_of(n, struct proxy, conf.id); |
Willy Tarreau | cfd837f | 2014-03-15 07:43:51 +0100 | [diff] [blame] | 1031 | |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1032 | if (px->uuid != id) |
| 1033 | break; |
Alex Williams | 96532db | 2009-11-01 21:27:13 -0500 | [diff] [blame] | 1034 | |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1035 | if ((px->cap & cap) != cap) |
| 1036 | continue; |
Alex Williams | 96532db | 2009-11-01 21:27:13 -0500 | [diff] [blame] | 1037 | |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1038 | if (table && (!px->table || !px->table->size)) |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1039 | continue; |
Willy Tarreau | cfd837f | 2014-03-15 07:43:51 +0100 | [diff] [blame] | 1040 | |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1041 | return px; |
| 1042 | } |
| 1043 | return NULL; |
| 1044 | } |
Willy Tarreau | cfd837f | 2014-03-15 07:43:51 +0100 | [diff] [blame] | 1045 | |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1046 | /* Returns a pointer to the first proxy matching either name <name>, or id |
| 1047 | * <name> if <name> begins with a '#'. NULL is returned if no match is found. |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 1048 | * If <table> is non-zero, it only considers proxies having a table. The search |
| 1049 | * is made into the regular proxies, unless <cap> has PR_CAP_DEF set in which |
| 1050 | * case it's searched into the defproxy tree. |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1051 | */ |
| 1052 | struct proxy *proxy_find_by_name(const char *name, int cap, int table) |
| 1053 | { |
| 1054 | struct proxy *curproxy; |
Willy Tarreau | 9e0bb10 | 2015-05-26 11:24:42 +0200 | [diff] [blame] | 1055 | |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 1056 | if (*name == '#' && !(cap & PR_CAP_DEF)) { |
Willy Tarreau | 3c56a7d | 2015-05-26 15:25:32 +0200 | [diff] [blame] | 1057 | curproxy = proxy_find_by_id(atoi(name + 1), cap, table); |
| 1058 | if (curproxy) |
Willy Tarreau | c739aa8 | 2015-05-26 11:35:41 +0200 | [diff] [blame] | 1059 | return curproxy; |
Alex Williams | 96532db | 2009-11-01 21:27:13 -0500 | [diff] [blame] | 1060 | } |
Willy Tarreau | cfd837f | 2014-03-15 07:43:51 +0100 | [diff] [blame] | 1061 | else { |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 1062 | struct eb_root *root; |
Willy Tarreau | cfd837f | 2014-03-15 07:43:51 +0100 | [diff] [blame] | 1063 | struct ebpt_node *node; |
| 1064 | |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 1065 | root = (cap & PR_CAP_DEF) ? &defproxy_by_name : &proxy_by_name; |
| 1066 | for (node = ebis_lookup(root, name); node; node = ebpt_next(node)) { |
Willy Tarreau | cfd837f | 2014-03-15 07:43:51 +0100 | [diff] [blame] | 1067 | curproxy = container_of(node, struct proxy, conf.by_name); |
Alex Williams | 96532db | 2009-11-01 21:27:13 -0500 | [diff] [blame] | 1068 | |
Willy Tarreau | cfd837f | 2014-03-15 07:43:51 +0100 | [diff] [blame] | 1069 | if (strcmp(curproxy->id, name) != 0) |
| 1070 | break; |
| 1071 | |
| 1072 | if ((curproxy->cap & cap) != cap) |
| 1073 | continue; |
| 1074 | |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1075 | if (table && (!curproxy->table || !curproxy->table->size)) |
Willy Tarreau | 9e0bb10 | 2015-05-26 11:24:42 +0200 | [diff] [blame] | 1076 | continue; |
| 1077 | |
Willy Tarreau | c739aa8 | 2015-05-26 11:35:41 +0200 | [diff] [blame] | 1078 | return curproxy; |
Willy Tarreau | cfd837f | 2014-03-15 07:43:51 +0100 | [diff] [blame] | 1079 | } |
| 1080 | } |
Willy Tarreau | c739aa8 | 2015-05-26 11:35:41 +0200 | [diff] [blame] | 1081 | return NULL; |
Alex Williams | 96532db | 2009-11-01 21:27:13 -0500 | [diff] [blame] | 1082 | } |
| 1083 | |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1084 | /* Finds the best match for a proxy with capabilities <cap>, name <name> and id |
| 1085 | * <id>. At most one of <id> or <name> may be different provided that <cap> is |
| 1086 | * valid. Either <id> or <name> may be left unspecified (0). The purpose is to |
| 1087 | * find a proxy based on some information from a previous configuration, across |
| 1088 | * reloads or during information exchange between peers. |
| 1089 | * |
| 1090 | * Names are looked up first if present, then IDs are compared if present. In |
| 1091 | * case of an inexact match whatever is forced in the configuration has |
| 1092 | * precedence in the following order : |
| 1093 | * - 1) forced ID (proves a renaming / change of proxy type) |
| 1094 | * - 2) proxy name+type (may indicate a move if ID differs) |
| 1095 | * - 3) automatic ID+type (may indicate a renaming) |
| 1096 | * |
| 1097 | * Depending on what is found, we can end up in the following situations : |
| 1098 | * |
| 1099 | * name id cap | possible causes |
| 1100 | * -------------+----------------- |
| 1101 | * -- -- -- | nothing found |
| 1102 | * -- -- ok | nothing found |
| 1103 | * -- ok -- | proxy deleted, ID points to next one |
| 1104 | * -- ok ok | proxy renamed, or deleted with ID pointing to next one |
| 1105 | * ok -- -- | proxy deleted, but other half with same name still here (before) |
| 1106 | * ok -- ok | proxy's ID changed (proxy moved in the config file) |
| 1107 | * ok ok -- | proxy deleted, but other half with same name still here (after) |
| 1108 | * ok ok ok | perfect match |
| 1109 | * |
| 1110 | * Upon return if <diff> is not NULL, it is zeroed then filled with up to 3 bits : |
Baptiste Assmann | 8a027cc | 2015-07-03 11:03:33 +0200 | [diff] [blame] | 1111 | * - PR_FBM_MISMATCH_ID : proxy was found but ID differs |
| 1112 | * (and ID was not zero) |
| 1113 | * - PR_FBM_MISMATCH_NAME : proxy was found by ID but name differs |
| 1114 | * (and name was not NULL) |
| 1115 | * - PR_FBM_MISMATCH_PROXYTYPE : a proxy of different type was found with |
| 1116 | * the same name and/or id |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1117 | * |
| 1118 | * Only a valid proxy is returned. If capabilities do not match, NULL is |
| 1119 | * returned. The caller can check <diff> to report detailed warnings / errors, |
| 1120 | * and decide whether or not to use what was found. |
| 1121 | */ |
| 1122 | struct proxy *proxy_find_best_match(int cap, const char *name, int id, int *diff) |
| 1123 | { |
| 1124 | struct proxy *byname; |
| 1125 | struct proxy *byid; |
| 1126 | |
| 1127 | if (!name && !id) |
| 1128 | return NULL; |
| 1129 | |
| 1130 | if (diff) |
| 1131 | *diff = 0; |
| 1132 | |
| 1133 | byname = byid = NULL; |
| 1134 | |
| 1135 | if (name) { |
| 1136 | byname = proxy_find_by_name(name, cap, 0); |
| 1137 | if (byname && (!id || byname->uuid == id)) |
| 1138 | return byname; |
| 1139 | } |
| 1140 | |
Joseph Herlant | 59dd295 | 2018-11-15 11:46:55 -0800 | [diff] [blame] | 1141 | /* remaining possibilities : |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1142 | * - name not set |
| 1143 | * - name set but not found |
| 1144 | * - name found, but ID doesn't match. |
| 1145 | */ |
| 1146 | if (id) { |
| 1147 | byid = proxy_find_by_id(id, cap, 0); |
| 1148 | if (byid) { |
| 1149 | if (byname) { |
| 1150 | /* id+type found, name+type found, but not all 3. |
| 1151 | * ID wins only if forced, otherwise name wins. |
| 1152 | */ |
| 1153 | if (byid->options & PR_O_FORCED_ID) { |
| 1154 | if (diff) |
Baptiste Assmann | 8a027cc | 2015-07-03 11:03:33 +0200 | [diff] [blame] | 1155 | *diff |= PR_FBM_MISMATCH_NAME; |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1156 | return byid; |
| 1157 | } |
| 1158 | else { |
| 1159 | if (diff) |
Baptiste Assmann | 8a027cc | 2015-07-03 11:03:33 +0200 | [diff] [blame] | 1160 | *diff |= PR_FBM_MISMATCH_ID; |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1161 | return byname; |
| 1162 | } |
| 1163 | } |
| 1164 | |
Joseph Herlant | 59dd295 | 2018-11-15 11:46:55 -0800 | [diff] [blame] | 1165 | /* remaining possibilities : |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1166 | * - name not set |
| 1167 | * - name set but not found |
| 1168 | */ |
| 1169 | if (name && diff) |
Baptiste Assmann | 8a027cc | 2015-07-03 11:03:33 +0200 | [diff] [blame] | 1170 | *diff |= PR_FBM_MISMATCH_NAME; |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1171 | return byid; |
| 1172 | } |
| 1173 | |
| 1174 | /* ID not found */ |
| 1175 | if (byname) { |
| 1176 | if (diff) |
Baptiste Assmann | 8a027cc | 2015-07-03 11:03:33 +0200 | [diff] [blame] | 1177 | *diff |= PR_FBM_MISMATCH_ID; |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1178 | return byname; |
| 1179 | } |
| 1180 | } |
| 1181 | |
Joseph Herlant | 59dd295 | 2018-11-15 11:46:55 -0800 | [diff] [blame] | 1182 | /* All remaining possibilities will lead to NULL. If we can report more |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1183 | * detailed information to the caller about changed types and/or name, |
| 1184 | * we'll do it. For example, we could detect that "listen foo" was |
| 1185 | * split into "frontend foo_ft" and "backend foo_bk" if IDs are forced. |
| 1186 | * - name not set, ID not found |
| 1187 | * - name not found, ID not set |
| 1188 | * - name not found, ID not found |
| 1189 | */ |
| 1190 | if (!diff) |
| 1191 | return NULL; |
| 1192 | |
| 1193 | if (name) { |
| 1194 | byname = proxy_find_by_name(name, 0, 0); |
| 1195 | if (byname && (!id || byname->uuid == id)) |
Baptiste Assmann | 8a027cc | 2015-07-03 11:03:33 +0200 | [diff] [blame] | 1196 | *diff |= PR_FBM_MISMATCH_PROXYTYPE; |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1197 | } |
| 1198 | |
| 1199 | if (id) { |
| 1200 | byid = proxy_find_by_id(id, 0, 0); |
| 1201 | if (byid) { |
| 1202 | if (!name) |
Baptiste Assmann | 8a027cc | 2015-07-03 11:03:33 +0200 | [diff] [blame] | 1203 | *diff |= PR_FBM_MISMATCH_PROXYTYPE; /* only type changed */ |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1204 | else if (byid->options & PR_O_FORCED_ID) |
Baptiste Assmann | 8a027cc | 2015-07-03 11:03:33 +0200 | [diff] [blame] | 1205 | *diff |= PR_FBM_MISMATCH_NAME | PR_FBM_MISMATCH_PROXYTYPE; /* name and type changed */ |
Willy Tarreau | eb3e348 | 2015-05-27 16:46:26 +0200 | [diff] [blame] | 1206 | /* otherwise it's a different proxy that was returned */ |
| 1207 | } |
| 1208 | } |
| 1209 | return NULL; |
| 1210 | } |
| 1211 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1212 | /* |
Krzysztof Piotr Oledzki | c8b16fc | 2008-02-18 01:26:35 +0100 | [diff] [blame] | 1213 | * This function finds a server with matching name within selected proxy. |
| 1214 | * It also checks if there are more matching servers with |
| 1215 | * requested name as this often leads into unexpected situations. |
| 1216 | */ |
| 1217 | |
| 1218 | struct server *findserver(const struct proxy *px, const char *name) { |
| 1219 | |
| 1220 | struct server *cursrv, *target = NULL; |
| 1221 | |
| 1222 | if (!px) |
| 1223 | return NULL; |
| 1224 | |
| 1225 | for (cursrv = px->srv; cursrv; cursrv = cursrv->next) { |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1226 | if (strcmp(cursrv->id, name) != 0) |
Krzysztof Piotr Oledzki | c8b16fc | 2008-02-18 01:26:35 +0100 | [diff] [blame] | 1227 | continue; |
| 1228 | |
| 1229 | if (!target) { |
| 1230 | target = cursrv; |
| 1231 | continue; |
| 1232 | } |
| 1233 | |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1234 | ha_alert("Refusing to use duplicated server '%s' found in proxy: %s!\n", |
| 1235 | name, px->id); |
Krzysztof Piotr Oledzki | c8b16fc | 2008-02-18 01:26:35 +0100 | [diff] [blame] | 1236 | |
| 1237 | return NULL; |
| 1238 | } |
| 1239 | |
| 1240 | return target; |
| 1241 | } |
| 1242 | |
Willy Tarreau | ff01a21 | 2009-03-15 13:46:16 +0100 | [diff] [blame] | 1243 | /* This function checks that the designated proxy has no http directives |
| 1244 | * enabled. It will output a warning if there are, and will fix some of them. |
| 1245 | * It returns the number of fatal errors encountered. This should be called |
| 1246 | * at the end of the configuration parsing if the proxy is not in http mode. |
| 1247 | * The <file> argument is used to construct the error message. |
| 1248 | */ |
Willy Tarreau | 915e1eb | 2009-06-22 15:48:36 +0200 | [diff] [blame] | 1249 | int proxy_cfg_ensure_no_http(struct proxy *curproxy) |
Willy Tarreau | ff01a21 | 2009-03-15 13:46:16 +0100 | [diff] [blame] | 1250 | { |
| 1251 | if (curproxy->cookie_name != NULL) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1252 | ha_warning("config : cookie will be ignored for %s '%s' (needs 'mode http').\n", |
| 1253 | proxy_type_str(curproxy), curproxy->id); |
Willy Tarreau | ff01a21 | 2009-03-15 13:46:16 +0100 | [diff] [blame] | 1254 | } |
Willy Tarreau | ff01a21 | 2009-03-15 13:46:16 +0100 | [diff] [blame] | 1255 | if (curproxy->monitor_uri != NULL) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1256 | ha_warning("config : monitor-uri will be ignored for %s '%s' (needs 'mode http').\n", |
| 1257 | proxy_type_str(curproxy), curproxy->id); |
Willy Tarreau | ff01a21 | 2009-03-15 13:46:16 +0100 | [diff] [blame] | 1258 | } |
Willy Tarreau | f3e49f9 | 2009-10-03 12:21:20 +0200 | [diff] [blame] | 1259 | if (curproxy->lbprm.algo & BE_LB_NEED_HTTP) { |
Willy Tarreau | ff01a21 | 2009-03-15 13:46:16 +0100 | [diff] [blame] | 1260 | curproxy->lbprm.algo &= ~BE_LB_ALGO; |
| 1261 | curproxy->lbprm.algo |= BE_LB_ALGO_RR; |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1262 | ha_warning("config : Layer 7 hash not possible for %s '%s' (needs 'mode http'). Falling back to round robin.\n", |
| 1263 | proxy_type_str(curproxy), curproxy->id); |
Willy Tarreau | ff01a21 | 2009-03-15 13:46:16 +0100 | [diff] [blame] | 1264 | } |
Willy Tarreau | 1780416 | 2009-11-09 21:27:51 +0100 | [diff] [blame] | 1265 | if (curproxy->to_log & (LW_REQ | LW_RESP)) { |
| 1266 | curproxy->to_log &= ~(LW_REQ | LW_RESP); |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1267 | ha_warning("parsing [%s:%d] : HTTP log/header format not usable with %s '%s' (needs 'mode http').\n", |
| 1268 | curproxy->conf.lfs_file, curproxy->conf.lfs_line, |
| 1269 | proxy_type_str(curproxy), curproxy->id); |
Willy Tarreau | 1780416 | 2009-11-09 21:27:51 +0100 | [diff] [blame] | 1270 | } |
Willy Tarreau | 62a6123 | 2013-04-12 18:13:46 +0200 | [diff] [blame] | 1271 | if (curproxy->conf.logformat_string == default_http_log_format || |
| 1272 | curproxy->conf.logformat_string == clf_http_log_format) { |
| 1273 | /* Note: we don't change the directive's file:line number */ |
| 1274 | curproxy->conf.logformat_string = default_tcp_log_format; |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1275 | ha_warning("parsing [%s:%d] : 'option httplog' not usable with %s '%s' (needs 'mode http'). Falling back to 'option tcplog'.\n", |
| 1276 | curproxy->conf.lfs_file, curproxy->conf.lfs_line, |
| 1277 | proxy_type_str(curproxy), curproxy->id); |
Willy Tarreau | 196729e | 2012-05-31 19:30:26 +0200 | [diff] [blame] | 1278 | } |
| 1279 | |
Willy Tarreau | ff01a21 | 2009-03-15 13:46:16 +0100 | [diff] [blame] | 1280 | return 0; |
| 1281 | } |
| 1282 | |
Willy Tarreau | 237250c | 2011-07-29 01:49:03 +0200 | [diff] [blame] | 1283 | /* Perform the most basic initialization of a proxy : |
| 1284 | * memset(), list_init(*), reset_timeouts(*). |
Willy Tarreau | b249e84 | 2011-09-07 18:41:08 +0200 | [diff] [blame] | 1285 | * Any new proxy or peer should be initialized via this function. |
Willy Tarreau | 237250c | 2011-07-29 01:49:03 +0200 | [diff] [blame] | 1286 | */ |
| 1287 | void init_new_proxy(struct proxy *p) |
| 1288 | { |
| 1289 | memset(p, 0, sizeof(struct proxy)); |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1290 | p->obj_type = OBJ_TYPE_PROXY; |
Patrick Hemmer | 0355dab | 2018-05-11 12:52:31 -0400 | [diff] [blame] | 1291 | p->pendconns = EB_ROOT; |
Willy Tarreau | 237250c | 2011-07-29 01:49:03 +0200 | [diff] [blame] | 1292 | LIST_INIT(&p->acl); |
| 1293 | LIST_INIT(&p->http_req_rules); |
Willy Tarreau | e365c0b | 2013-06-11 16:06:12 +0200 | [diff] [blame] | 1294 | LIST_INIT(&p->http_res_rules); |
Christopher Faulet | 6d0c3df | 2020-01-22 09:26:35 +0100 | [diff] [blame] | 1295 | LIST_INIT(&p->http_after_res_rules); |
Willy Tarreau | 237250c | 2011-07-29 01:49:03 +0200 | [diff] [blame] | 1296 | LIST_INIT(&p->redirect_rules); |
| 1297 | LIST_INIT(&p->mon_fail_cond); |
| 1298 | LIST_INIT(&p->switching_rules); |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1299 | LIST_INIT(&p->server_rules); |
Willy Tarreau | 237250c | 2011-07-29 01:49:03 +0200 | [diff] [blame] | 1300 | LIST_INIT(&p->persist_rules); |
| 1301 | LIST_INIT(&p->sticking_rules); |
| 1302 | LIST_INIT(&p->storersp_rules); |
| 1303 | LIST_INIT(&p->tcp_req.inspect_rules); |
| 1304 | LIST_INIT(&p->tcp_rep.inspect_rules); |
| 1305 | LIST_INIT(&p->tcp_req.l4_rules); |
Willy Tarreau | 620408f | 2016-10-21 16:37:51 +0200 | [diff] [blame] | 1306 | LIST_INIT(&p->tcp_req.l5_rules); |
Olivier Houchard | 859dc80 | 2019-08-08 15:47:21 +0200 | [diff] [blame] | 1307 | MT_LIST_INIT(&p->listener_queue); |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 1308 | LIST_INIT(&p->logsrvs); |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 1309 | LIST_INIT(&p->logformat); |
Dragan Dosen | 0b85ece | 2015-09-25 19:17:44 +0200 | [diff] [blame] | 1310 | LIST_INIT(&p->logformat_sd); |
William Lallemand | a73203e | 2012-03-12 12:48:57 +0100 | [diff] [blame] | 1311 | LIST_INIT(&p->format_unique_id); |
Willy Tarreau | 2a65ff0 | 2012-09-13 17:54:29 +0200 | [diff] [blame] | 1312 | LIST_INIT(&p->conf.bind); |
Willy Tarreau | 4348fad | 2012-09-20 16:48:07 +0200 | [diff] [blame] | 1313 | LIST_INIT(&p->conf.listeners); |
Christopher Faulet | 76edc0f | 2020-01-13 15:52:01 +0100 | [diff] [blame] | 1314 | LIST_INIT(&p->conf.errors); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1315 | LIST_INIT(&p->conf.args.list); |
Christopher Faulet | 443ea1a | 2016-02-04 13:40:26 +0100 | [diff] [blame] | 1316 | LIST_INIT(&p->filter_configs); |
Christopher Faulet | 7a1e2e1 | 2020-04-02 18:05:11 +0200 | [diff] [blame] | 1317 | LIST_INIT(&p->tcpcheck_rules.preset_vars); |
Willy Tarreau | 237250c | 2011-07-29 01:49:03 +0200 | [diff] [blame] | 1318 | |
Willy Tarreau | 3b06eae | 2021-02-12 09:15:16 +0100 | [diff] [blame] | 1319 | p->defsrv.id = "default-server"; |
| 1320 | p->conf.used_listener_id = EB_ROOT; |
| 1321 | p->conf.used_server_id = EB_ROOT; |
| 1322 | p->used_server_addr = EB_ROOT_UNIQUE; |
| 1323 | |
Willy Tarreau | 237250c | 2011-07-29 01:49:03 +0200 | [diff] [blame] | 1324 | /* Timeouts are defined as -1 */ |
| 1325 | proxy_reset_timeouts(p); |
| 1326 | p->tcp_rep.inspect_delay = TICK_ETERNITY; |
Willy Tarreau | 050536d | 2012-10-04 08:47:34 +0200 | [diff] [blame] | 1327 | |
| 1328 | /* initial uuid is unassigned (-1) */ |
| 1329 | p->uuid = -1; |
Christopher Faulet | ff8abcd | 2017-06-02 15:33:24 +0200 | [diff] [blame] | 1330 | |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 1331 | /* Default to only allow L4 retries */ |
| 1332 | p->retry_type = PR_RE_CONN_FAILED; |
| 1333 | |
Amaury Denoyelle | 7f8f6cb | 2020-11-10 14:24:31 +0100 | [diff] [blame] | 1334 | p->extra_counters_fe = NULL; |
| 1335 | p->extra_counters_be = NULL; |
| 1336 | |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 1337 | HA_RWLOCK_INIT(&p->lock); |
Willy Tarreau | 237250c | 2011-07-29 01:49:03 +0200 | [diff] [blame] | 1338 | } |
| 1339 | |
Willy Tarreau | 144289b | 2021-02-12 08:19:01 +0100 | [diff] [blame] | 1340 | /* Preset default settings onto proxy <defproxy>. */ |
| 1341 | void proxy_preset_defaults(struct proxy *defproxy) |
| 1342 | { |
| 1343 | defproxy->mode = PR_MODE_TCP; |
| 1344 | defproxy->disabled = 0; |
Amaury Denoyelle | 6f26fae | 2021-03-24 10:49:34 +0100 | [diff] [blame] | 1345 | if (!(defproxy->cap & PR_CAP_LUA)) { |
| 1346 | defproxy->maxconn = cfg_maxpconn; |
| 1347 | defproxy->conn_retries = CONN_RETRIES; |
| 1348 | } |
Willy Tarreau | 144289b | 2021-02-12 08:19:01 +0100 | [diff] [blame] | 1349 | defproxy->redispatch_after = 0; |
| 1350 | defproxy->options = PR_O_REUSE_SAFE; |
Amaury Denoyelle | 6f26fae | 2021-03-24 10:49:34 +0100 | [diff] [blame] | 1351 | if (defproxy->cap & PR_CAP_LUA) |
| 1352 | defproxy->options2 |= PR_O2_INDEPSTR; |
Willy Tarreau | 144289b | 2021-02-12 08:19:01 +0100 | [diff] [blame] | 1353 | defproxy->max_out_conns = MAX_SRV_LIST; |
| 1354 | |
| 1355 | defproxy->defsrv.check.inter = DEF_CHKINTR; |
| 1356 | defproxy->defsrv.check.fastinter = 0; |
| 1357 | defproxy->defsrv.check.downinter = 0; |
| 1358 | defproxy->defsrv.agent.inter = DEF_CHKINTR; |
| 1359 | defproxy->defsrv.agent.fastinter = 0; |
| 1360 | defproxy->defsrv.agent.downinter = 0; |
| 1361 | defproxy->defsrv.check.rise = DEF_RISETIME; |
| 1362 | defproxy->defsrv.check.fall = DEF_FALLTIME; |
| 1363 | defproxy->defsrv.agent.rise = DEF_AGENT_RISETIME; |
| 1364 | defproxy->defsrv.agent.fall = DEF_AGENT_FALLTIME; |
| 1365 | defproxy->defsrv.check.port = 0; |
| 1366 | defproxy->defsrv.agent.port = 0; |
| 1367 | defproxy->defsrv.maxqueue = 0; |
| 1368 | defproxy->defsrv.minconn = 0; |
| 1369 | defproxy->defsrv.maxconn = 0; |
| 1370 | defproxy->defsrv.max_reuse = -1; |
| 1371 | defproxy->defsrv.max_idle_conns = -1; |
| 1372 | defproxy->defsrv.pool_purge_delay = 5000; |
| 1373 | defproxy->defsrv.slowstart = 0; |
| 1374 | defproxy->defsrv.onerror = DEF_HANA_ONERR; |
| 1375 | defproxy->defsrv.consecutive_errors_limit = DEF_HANA_ERRLIMIT; |
| 1376 | defproxy->defsrv.uweight = defproxy->defsrv.iweight = 1; |
| 1377 | |
| 1378 | defproxy->email_alert.level = LOG_ALERT; |
| 1379 | defproxy->load_server_state_from_file = PR_SRV_STATE_FILE_UNSPEC; |
| 1380 | #if defined(USE_QUIC) |
| 1381 | quic_transport_params_init(&defproxy->defsrv.quic_params, 0); |
| 1382 | #endif |
Amaury Denoyelle | 6f26fae | 2021-03-24 10:49:34 +0100 | [diff] [blame] | 1383 | |
| 1384 | if (defproxy->cap & PR_CAP_LUA) |
| 1385 | defproxy->timeout.connect = 5000; |
Willy Tarreau | 144289b | 2021-02-12 08:19:01 +0100 | [diff] [blame] | 1386 | } |
| 1387 | |
Willy Tarreau | a3320a0 | 2021-02-12 10:38:49 +0100 | [diff] [blame] | 1388 | /* Frees all dynamic settings allocated on a default proxy that's about to be |
| 1389 | * destroyed. This is a subset of the complete proxy deinit code, but these |
| 1390 | * should probably be merged ultimately. Note that most of the fields are not |
| 1391 | * even reset, so extreme care is required here, and calling |
| 1392 | * proxy_preset_defaults() afterwards would be safer. |
| 1393 | */ |
| 1394 | void proxy_free_defaults(struct proxy *defproxy) |
| 1395 | { |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 1396 | ha_free(&defproxy->id); |
| 1397 | ha_free(&defproxy->conf.file); |
| 1398 | ha_free(&defproxy->check_command); |
| 1399 | ha_free(&defproxy->check_path); |
| 1400 | ha_free(&defproxy->cookie_name); |
| 1401 | ha_free(&defproxy->rdp_cookie_name); |
| 1402 | ha_free(&defproxy->dyncookie_key); |
| 1403 | ha_free(&defproxy->cookie_domain); |
| 1404 | ha_free(&defproxy->cookie_attrs); |
| 1405 | ha_free(&defproxy->lbprm.arg_str); |
| 1406 | ha_free(&defproxy->capture_name); |
| 1407 | ha_free(&defproxy->monitor_uri); |
| 1408 | ha_free(&defproxy->defbe.name); |
| 1409 | ha_free(&defproxy->conn_src.iface_name); |
| 1410 | ha_free(&defproxy->fwdfor_hdr_name); defproxy->fwdfor_hdr_len = 0; |
| 1411 | ha_free(&defproxy->orgto_hdr_name); defproxy->orgto_hdr_len = 0; |
| 1412 | ha_free(&defproxy->server_id_hdr_name); defproxy->server_id_hdr_len = 0; |
Willy Tarreau | a3320a0 | 2021-02-12 10:38:49 +0100 | [diff] [blame] | 1413 | |
| 1414 | if (defproxy->conf.logformat_string != default_http_log_format && |
| 1415 | defproxy->conf.logformat_string != default_tcp_log_format && |
Willy Tarreau | 818ec78 | 2021-02-12 10:48:53 +0100 | [diff] [blame] | 1416 | defproxy->conf.logformat_string != clf_http_log_format) { |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 1417 | ha_free(&defproxy->conf.logformat_string); |
Willy Tarreau | 818ec78 | 2021-02-12 10:48:53 +0100 | [diff] [blame] | 1418 | } |
Willy Tarreau | a3320a0 | 2021-02-12 10:38:49 +0100 | [diff] [blame] | 1419 | |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 1420 | if (defproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format) |
| 1421 | ha_free(&defproxy->conf.logformat_sd_string); |
Willy Tarreau | a3320a0 | 2021-02-12 10:38:49 +0100 | [diff] [blame] | 1422 | |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 1423 | ha_free(&defproxy->conf.uniqueid_format_string); |
| 1424 | ha_free(&defproxy->conf.lfs_file); |
| 1425 | ha_free(&defproxy->conf.lfsd_file); |
| 1426 | ha_free(&defproxy->conf.uif_file); |
Willy Tarreau | a3320a0 | 2021-02-12 10:38:49 +0100 | [diff] [blame] | 1427 | chunk_destroy(&defproxy->log_tag); |
| 1428 | |
| 1429 | free_email_alert(defproxy); |
| 1430 | proxy_release_conf_errors(defproxy); |
| 1431 | deinit_proxy_tcpcheck(defproxy); |
| 1432 | |
| 1433 | /* FIXME: we cannot free uri_auth because it might already be used by |
| 1434 | * another proxy (legacy code for stats URI ...). Refcount anyone ? |
| 1435 | */ |
| 1436 | } |
| 1437 | |
Willy Tarreau | 0a0f6a7 | 2021-02-12 13:52:11 +0100 | [diff] [blame] | 1438 | /* delete a defproxy from the tree if still in it, frees its content and its |
| 1439 | * storage. Nothing is done if <px> is NULL or if it doesn't have PR_CAP_DEF |
| 1440 | * set, allowing to pass it the direct result of a lookup function. |
| 1441 | */ |
| 1442 | void proxy_destroy_defaults(struct proxy *px) |
| 1443 | { |
| 1444 | if (!px) |
| 1445 | return; |
| 1446 | if (!(px->cap & PR_CAP_DEF)) |
| 1447 | return; |
| 1448 | ebpt_delete(&px->conf.by_name); |
| 1449 | proxy_free_defaults(px); |
| 1450 | free(px); |
| 1451 | } |
| 1452 | |
Willy Tarreau | e90904d | 2021-02-12 14:08:31 +0100 | [diff] [blame] | 1453 | void proxy_destroy_all_defaults() |
| 1454 | { |
| 1455 | struct ebpt_node *n; |
| 1456 | |
| 1457 | while ((n = ebpt_first(&defproxy_by_name))) { |
| 1458 | struct proxy *px = container_of(n, struct proxy, conf.by_name); |
| 1459 | BUG_ON(!(px->cap & PR_CAP_DEF)); |
| 1460 | proxy_destroy_defaults(px); |
| 1461 | } |
| 1462 | } |
| 1463 | |
Amaury Denoyelle | 476b9ad | 2021-03-23 17:27:05 +0100 | [diff] [blame] | 1464 | /* Allocates a new proxy <name> of type <cap>. |
| 1465 | * Returns the proxy instance on success. On error, NULL is returned. |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1466 | */ |
Amaury Denoyelle | 476b9ad | 2021-03-23 17:27:05 +0100 | [diff] [blame] | 1467 | struct proxy *alloc_new_proxy(const char *name, unsigned int cap, char **errmsg) |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1468 | { |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1469 | struct proxy *curproxy; |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1470 | |
| 1471 | if ((curproxy = calloc(1, sizeof(*curproxy))) == NULL) { |
| 1472 | memprintf(errmsg, "proxy '%s': out of memory", name); |
| 1473 | goto fail; |
| 1474 | } |
| 1475 | |
| 1476 | init_new_proxy(curproxy); |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1477 | curproxy->last_change = now.tv_sec; |
| 1478 | curproxy->id = strdup(name); |
| 1479 | curproxy->cap = cap; |
Amaury Denoyelle | 6f26fae | 2021-03-24 10:49:34 +0100 | [diff] [blame] | 1480 | |
| 1481 | if (!(cap & PR_CAP_LUA)) |
| 1482 | proxy_store_name(curproxy); |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1483 | |
Amaury Denoyelle | 476b9ad | 2021-03-23 17:27:05 +0100 | [diff] [blame] | 1484 | done: |
| 1485 | return curproxy; |
| 1486 | |
| 1487 | fail: |
| 1488 | /* Note: in case of fatal error here, we WILL make valgrind unhappy, |
| 1489 | * but its not worth trying to unroll everything here just before |
| 1490 | * quitting. |
| 1491 | */ |
| 1492 | free(curproxy); |
| 1493 | return NULL; |
| 1494 | } |
| 1495 | |
| 1496 | /* Copy the proxy settings from <defproxy> to <curproxy>. |
| 1497 | * Returns 0 on success. |
| 1498 | * Returns 1 on error. <errmsg> will be allocated with an error description. |
| 1499 | */ |
| 1500 | static int proxy_defproxy_cpy(struct proxy *curproxy, const struct proxy *defproxy, |
| 1501 | char **errmsg) |
| 1502 | { |
| 1503 | struct logsrv *tmplogsrv; |
| 1504 | char *tmpmsg = NULL; |
Willy Tarreau | 3b06eae | 2021-02-12 09:15:16 +0100 | [diff] [blame] | 1505 | |
| 1506 | /* set default values from the specified default proxy */ |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1507 | memcpy(&curproxy->defsrv, &defproxy->defsrv, sizeof(curproxy->defsrv)); |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1508 | |
| 1509 | curproxy->disabled = defproxy->disabled; |
| 1510 | curproxy->options = defproxy->options; |
| 1511 | curproxy->options2 = defproxy->options2; |
| 1512 | curproxy->no_options = defproxy->no_options; |
| 1513 | curproxy->no_options2 = defproxy->no_options2; |
| 1514 | curproxy->bind_proc = defproxy->bind_proc; |
Christopher Faulet | 5d1def6 | 2021-02-26 09:19:15 +0100 | [diff] [blame] | 1515 | curproxy->except_xff_net = defproxy->except_xff_net; |
| 1516 | curproxy->except_xot_net = defproxy->except_xot_net; |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1517 | curproxy->retry_type = defproxy->retry_type; |
| 1518 | |
| 1519 | if (defproxy->fwdfor_hdr_len) { |
| 1520 | curproxy->fwdfor_hdr_len = defproxy->fwdfor_hdr_len; |
| 1521 | curproxy->fwdfor_hdr_name = strdup(defproxy->fwdfor_hdr_name); |
| 1522 | } |
| 1523 | |
| 1524 | if (defproxy->orgto_hdr_len) { |
| 1525 | curproxy->orgto_hdr_len = defproxy->orgto_hdr_len; |
| 1526 | curproxy->orgto_hdr_name = strdup(defproxy->orgto_hdr_name); |
| 1527 | } |
| 1528 | |
| 1529 | if (defproxy->server_id_hdr_len) { |
| 1530 | curproxy->server_id_hdr_len = defproxy->server_id_hdr_len; |
| 1531 | curproxy->server_id_hdr_name = strdup(defproxy->server_id_hdr_name); |
| 1532 | } |
| 1533 | |
| 1534 | /* initialize error relocations */ |
| 1535 | if (!proxy_dup_default_conf_errors(curproxy, defproxy, &tmpmsg)) { |
| 1536 | memprintf(errmsg, "proxy '%s' : %s", curproxy->id, tmpmsg); |
Amaury Denoyelle | 476b9ad | 2021-03-23 17:27:05 +0100 | [diff] [blame] | 1537 | free(tmpmsg); |
| 1538 | return 1; |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1539 | } |
| 1540 | |
| 1541 | if (curproxy->cap & PR_CAP_FE) { |
| 1542 | curproxy->maxconn = defproxy->maxconn; |
| 1543 | curproxy->backlog = defproxy->backlog; |
| 1544 | curproxy->fe_sps_lim = defproxy->fe_sps_lim; |
| 1545 | |
| 1546 | curproxy->to_log = defproxy->to_log & ~LW_COOKIE & ~LW_REQHDR & ~ LW_RSPHDR; |
| 1547 | curproxy->max_out_conns = defproxy->max_out_conns; |
| 1548 | |
| 1549 | curproxy->clitcpka_cnt = defproxy->clitcpka_cnt; |
| 1550 | curproxy->clitcpka_idle = defproxy->clitcpka_idle; |
| 1551 | curproxy->clitcpka_intvl = defproxy->clitcpka_intvl; |
| 1552 | } |
| 1553 | |
| 1554 | if (curproxy->cap & PR_CAP_BE) { |
| 1555 | curproxy->lbprm.algo = defproxy->lbprm.algo; |
| 1556 | curproxy->lbprm.hash_balance_factor = defproxy->lbprm.hash_balance_factor; |
| 1557 | curproxy->fullconn = defproxy->fullconn; |
| 1558 | curproxy->conn_retries = defproxy->conn_retries; |
| 1559 | curproxy->redispatch_after = defproxy->redispatch_after; |
| 1560 | curproxy->max_ka_queue = defproxy->max_ka_queue; |
| 1561 | |
| 1562 | curproxy->tcpcheck_rules.flags = (defproxy->tcpcheck_rules.flags & ~TCPCHK_RULES_UNUSED_RS); |
| 1563 | curproxy->tcpcheck_rules.list = defproxy->tcpcheck_rules.list; |
| 1564 | if (!LIST_ISEMPTY(&defproxy->tcpcheck_rules.preset_vars)) { |
| 1565 | if (!dup_tcpcheck_vars(&curproxy->tcpcheck_rules.preset_vars, |
| 1566 | &defproxy->tcpcheck_rules.preset_vars)) { |
Amaury Denoyelle | 476b9ad | 2021-03-23 17:27:05 +0100 | [diff] [blame] | 1567 | memprintf(errmsg, "proxy '%s': failed to duplicate tcpcheck preset-vars", curproxy->id); |
| 1568 | return 1; |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1569 | } |
| 1570 | } |
| 1571 | |
| 1572 | curproxy->ck_opts = defproxy->ck_opts; |
| 1573 | if (defproxy->cookie_name) |
| 1574 | curproxy->cookie_name = strdup(defproxy->cookie_name); |
| 1575 | curproxy->cookie_len = defproxy->cookie_len; |
| 1576 | |
| 1577 | if (defproxy->dyncookie_key) |
| 1578 | curproxy->dyncookie_key = strdup(defproxy->dyncookie_key); |
| 1579 | if (defproxy->cookie_domain) |
| 1580 | curproxy->cookie_domain = strdup(defproxy->cookie_domain); |
| 1581 | |
| 1582 | if (defproxy->cookie_maxidle) |
| 1583 | curproxy->cookie_maxidle = defproxy->cookie_maxidle; |
| 1584 | |
| 1585 | if (defproxy->cookie_maxlife) |
| 1586 | curproxy->cookie_maxlife = defproxy->cookie_maxlife; |
| 1587 | |
| 1588 | if (defproxy->rdp_cookie_name) |
| 1589 | curproxy->rdp_cookie_name = strdup(defproxy->rdp_cookie_name); |
| 1590 | curproxy->rdp_cookie_len = defproxy->rdp_cookie_len; |
| 1591 | |
| 1592 | if (defproxy->cookie_attrs) |
| 1593 | curproxy->cookie_attrs = strdup(defproxy->cookie_attrs); |
| 1594 | |
| 1595 | if (defproxy->lbprm.arg_str) |
| 1596 | curproxy->lbprm.arg_str = strdup(defproxy->lbprm.arg_str); |
| 1597 | curproxy->lbprm.arg_len = defproxy->lbprm.arg_len; |
| 1598 | curproxy->lbprm.arg_opt1 = defproxy->lbprm.arg_opt1; |
| 1599 | curproxy->lbprm.arg_opt2 = defproxy->lbprm.arg_opt2; |
| 1600 | curproxy->lbprm.arg_opt3 = defproxy->lbprm.arg_opt3; |
| 1601 | |
| 1602 | if (defproxy->conn_src.iface_name) |
| 1603 | curproxy->conn_src.iface_name = strdup(defproxy->conn_src.iface_name); |
| 1604 | curproxy->conn_src.iface_len = defproxy->conn_src.iface_len; |
| 1605 | curproxy->conn_src.opts = defproxy->conn_src.opts; |
| 1606 | #if defined(CONFIG_HAP_TRANSPARENT) |
| 1607 | curproxy->conn_src.tproxy_addr = defproxy->conn_src.tproxy_addr; |
| 1608 | #endif |
| 1609 | curproxy->load_server_state_from_file = defproxy->load_server_state_from_file; |
| 1610 | |
| 1611 | curproxy->srvtcpka_cnt = defproxy->srvtcpka_cnt; |
| 1612 | curproxy->srvtcpka_idle = defproxy->srvtcpka_idle; |
| 1613 | curproxy->srvtcpka_intvl = defproxy->srvtcpka_intvl; |
| 1614 | } |
| 1615 | |
| 1616 | if (curproxy->cap & PR_CAP_FE) { |
| 1617 | if (defproxy->capture_name) |
| 1618 | curproxy->capture_name = strdup(defproxy->capture_name); |
| 1619 | curproxy->capture_namelen = defproxy->capture_namelen; |
| 1620 | curproxy->capture_len = defproxy->capture_len; |
| 1621 | } |
| 1622 | |
| 1623 | if (curproxy->cap & PR_CAP_FE) { |
| 1624 | curproxy->timeout.client = defproxy->timeout.client; |
| 1625 | curproxy->timeout.clientfin = defproxy->timeout.clientfin; |
| 1626 | curproxy->timeout.tarpit = defproxy->timeout.tarpit; |
| 1627 | curproxy->timeout.httpreq = defproxy->timeout.httpreq; |
| 1628 | curproxy->timeout.httpka = defproxy->timeout.httpka; |
| 1629 | if (defproxy->monitor_uri) |
| 1630 | curproxy->monitor_uri = strdup(defproxy->monitor_uri); |
| 1631 | curproxy->monitor_uri_len = defproxy->monitor_uri_len; |
| 1632 | if (defproxy->defbe.name) |
| 1633 | curproxy->defbe.name = strdup(defproxy->defbe.name); |
| 1634 | |
| 1635 | /* get either a pointer to the logformat string or a copy of it */ |
| 1636 | curproxy->conf.logformat_string = defproxy->conf.logformat_string; |
| 1637 | if (curproxy->conf.logformat_string && |
| 1638 | curproxy->conf.logformat_string != default_http_log_format && |
| 1639 | curproxy->conf.logformat_string != default_tcp_log_format && |
| 1640 | curproxy->conf.logformat_string != clf_http_log_format) |
| 1641 | curproxy->conf.logformat_string = strdup(curproxy->conf.logformat_string); |
| 1642 | |
| 1643 | if (defproxy->conf.lfs_file) { |
| 1644 | curproxy->conf.lfs_file = strdup(defproxy->conf.lfs_file); |
| 1645 | curproxy->conf.lfs_line = defproxy->conf.lfs_line; |
| 1646 | } |
| 1647 | |
| 1648 | /* get either a pointer to the logformat string for RFC5424 structured-data or a copy of it */ |
| 1649 | curproxy->conf.logformat_sd_string = defproxy->conf.logformat_sd_string; |
| 1650 | if (curproxy->conf.logformat_sd_string && |
| 1651 | curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format) |
| 1652 | curproxy->conf.logformat_sd_string = strdup(curproxy->conf.logformat_sd_string); |
| 1653 | |
| 1654 | if (defproxy->conf.lfsd_file) { |
| 1655 | curproxy->conf.lfsd_file = strdup(defproxy->conf.lfsd_file); |
| 1656 | curproxy->conf.lfsd_line = defproxy->conf.lfsd_line; |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | if (curproxy->cap & PR_CAP_BE) { |
| 1661 | curproxy->timeout.connect = defproxy->timeout.connect; |
| 1662 | curproxy->timeout.server = defproxy->timeout.server; |
| 1663 | curproxy->timeout.serverfin = defproxy->timeout.serverfin; |
| 1664 | curproxy->timeout.check = defproxy->timeout.check; |
| 1665 | curproxy->timeout.queue = defproxy->timeout.queue; |
| 1666 | curproxy->timeout.tarpit = defproxy->timeout.tarpit; |
| 1667 | curproxy->timeout.httpreq = defproxy->timeout.httpreq; |
| 1668 | curproxy->timeout.httpka = defproxy->timeout.httpka; |
| 1669 | curproxy->timeout.tunnel = defproxy->timeout.tunnel; |
| 1670 | curproxy->conn_src.source_addr = defproxy->conn_src.source_addr; |
| 1671 | } |
| 1672 | |
| 1673 | curproxy->mode = defproxy->mode; |
| 1674 | curproxy->uri_auth = defproxy->uri_auth; /* for stats */ |
| 1675 | |
| 1676 | /* copy default logsrvs to curproxy */ |
| 1677 | list_for_each_entry(tmplogsrv, &defproxy->logsrvs, list) { |
| 1678 | struct logsrv *node = malloc(sizeof(*node)); |
| 1679 | |
| 1680 | if (!node) { |
Amaury Denoyelle | 476b9ad | 2021-03-23 17:27:05 +0100 | [diff] [blame] | 1681 | memprintf(errmsg, "proxy '%s': out of memory", curproxy->id); |
| 1682 | return 1; |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1683 | } |
| 1684 | memcpy(node, tmplogsrv, sizeof(struct logsrv)); |
| 1685 | node->ref = tmplogsrv->ref; |
| 1686 | LIST_INIT(&node->list); |
| 1687 | LIST_ADDQ(&curproxy->logsrvs, &node->list); |
| 1688 | } |
| 1689 | |
| 1690 | curproxy->conf.uniqueid_format_string = defproxy->conf.uniqueid_format_string; |
| 1691 | if (curproxy->conf.uniqueid_format_string) |
| 1692 | curproxy->conf.uniqueid_format_string = strdup(curproxy->conf.uniqueid_format_string); |
| 1693 | |
| 1694 | chunk_dup(&curproxy->log_tag, &defproxy->log_tag); |
| 1695 | |
| 1696 | if (defproxy->conf.uif_file) { |
| 1697 | curproxy->conf.uif_file = strdup(defproxy->conf.uif_file); |
| 1698 | curproxy->conf.uif_line = defproxy->conf.uif_line; |
| 1699 | } |
| 1700 | |
| 1701 | /* copy default header unique id */ |
| 1702 | if (isttest(defproxy->header_unique_id)) { |
| 1703 | const struct ist copy = istdup(defproxy->header_unique_id); |
| 1704 | |
| 1705 | if (!isttest(copy)) { |
Amaury Denoyelle | 476b9ad | 2021-03-23 17:27:05 +0100 | [diff] [blame] | 1706 | memprintf(errmsg, "proxy '%s': out of memory for unique-id-header", curproxy->id); |
| 1707 | return 1; |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1708 | } |
| 1709 | curproxy->header_unique_id = copy; |
| 1710 | } |
| 1711 | |
| 1712 | /* default compression options */ |
| 1713 | if (defproxy->comp != NULL) { |
| 1714 | curproxy->comp = calloc(1, sizeof(*curproxy->comp)); |
| 1715 | curproxy->comp->algos = defproxy->comp->algos; |
| 1716 | curproxy->comp->types = defproxy->comp->types; |
| 1717 | } |
| 1718 | |
| 1719 | curproxy->grace = defproxy->grace; |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1720 | |
| 1721 | if (defproxy->check_path) |
| 1722 | curproxy->check_path = strdup(defproxy->check_path); |
| 1723 | if (defproxy->check_command) |
| 1724 | curproxy->check_command = strdup(defproxy->check_command); |
| 1725 | |
| 1726 | if (defproxy->email_alert.mailers.name) |
| 1727 | curproxy->email_alert.mailers.name = strdup(defproxy->email_alert.mailers.name); |
| 1728 | if (defproxy->email_alert.from) |
| 1729 | curproxy->email_alert.from = strdup(defproxy->email_alert.from); |
| 1730 | if (defproxy->email_alert.to) |
| 1731 | curproxy->email_alert.to = strdup(defproxy->email_alert.to); |
| 1732 | if (defproxy->email_alert.myhostname) |
| 1733 | curproxy->email_alert.myhostname = strdup(defproxy->email_alert.myhostname); |
| 1734 | curproxy->email_alert.level = defproxy->email_alert.level; |
| 1735 | curproxy->email_alert.set = defproxy->email_alert.set; |
Willy Tarreau | 3b06eae | 2021-02-12 09:15:16 +0100 | [diff] [blame] | 1736 | |
Amaury Denoyelle | 476b9ad | 2021-03-23 17:27:05 +0100 | [diff] [blame] | 1737 | return 0; |
| 1738 | } |
| 1739 | |
| 1740 | /* Allocates a new proxy <name> of type <cap> found at position <file:linenum>, |
| 1741 | * preset it from the defaults of <defproxy> and returns it. In case of error, |
| 1742 | * an alert is printed and NULL is returned. |
| 1743 | */ |
| 1744 | struct proxy *parse_new_proxy(const char *name, unsigned int cap, |
| 1745 | const char *file, int linenum, |
| 1746 | const struct proxy *defproxy) |
| 1747 | { |
| 1748 | struct proxy *curproxy = NULL; |
| 1749 | char *errmsg; |
| 1750 | |
| 1751 | if (!(curproxy = alloc_new_proxy(name, cap, &errmsg))) { |
| 1752 | ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg); |
| 1753 | free(errmsg); |
| 1754 | return NULL; |
| 1755 | } |
| 1756 | |
| 1757 | if (defproxy) { |
| 1758 | if (proxy_defproxy_cpy(curproxy, defproxy, &errmsg)) { |
| 1759 | ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg); |
| 1760 | free(errmsg); |
| 1761 | |
| 1762 | ha_free(&curproxy); |
| 1763 | return NULL; |
| 1764 | } |
| 1765 | } |
| 1766 | else { |
| 1767 | proxy_preset_defaults(curproxy); |
| 1768 | } |
| 1769 | |
| 1770 | curproxy->conf.args.file = curproxy->conf.file = strdup(file); |
| 1771 | curproxy->conf.args.line = curproxy->conf.line = linenum; |
| 1772 | |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1773 | return curproxy; |
Willy Tarreau | 7683893 | 2021-02-12 08:49:47 +0100 | [diff] [blame] | 1774 | } |
| 1775 | |
Willy Tarreau | acde152 | 2020-10-07 16:31:39 +0200 | [diff] [blame] | 1776 | /* to be called under the proxy lock after stopping some listeners. This will |
| 1777 | * automatically update the p->disabled flag after stopping the last one, and |
| 1778 | * will emit a log indicating the proxy's condition. The function is idempotent |
| 1779 | * so that it will not emit multiple logs; a proxy will be disabled only once. |
| 1780 | */ |
| 1781 | void proxy_cond_disable(struct proxy *p) |
| 1782 | { |
| 1783 | if (p->disabled) |
| 1784 | return; |
| 1785 | |
| 1786 | if (p->li_ready + p->li_paused > 0) |
| 1787 | return; |
| 1788 | |
| 1789 | p->disabled = 1; |
| 1790 | |
| 1791 | if (!(proc_mask(p->bind_proc) & pid_bit)) |
| 1792 | goto silent; |
| 1793 | |
| 1794 | /* Note: syslog proxies use their own loggers so while it's somewhat OK |
| 1795 | * to report them being stopped as a warning, we must not spam their log |
| 1796 | * servers which are in fact production servers. For other types (CLI, |
| 1797 | * peers, etc) we must not report them at all as they're not really on |
| 1798 | * the data plane but on the control plane. |
| 1799 | */ |
| 1800 | if (p->mode == PR_MODE_TCP || p->mode == PR_MODE_HTTP || p->mode == PR_MODE_SYSLOG) |
| 1801 | ha_warning("Proxy %s stopped (cumulated conns: FE: %lld, BE: %lld).\n", |
| 1802 | p->id, p->fe_counters.cum_conn, p->be_counters.cum_conn); |
| 1803 | |
| 1804 | if (p->mode == PR_MODE_TCP || p->mode == PR_MODE_HTTP) |
| 1805 | send_log(p, LOG_WARNING, "Proxy %s stopped (cumulated conns: FE: %lld, BE: %lld).\n", |
| 1806 | p->id, p->fe_counters.cum_conn, p->be_counters.cum_conn); |
| 1807 | |
| 1808 | silent: |
| 1809 | if (p->table && p->table->size && p->table->sync_task) |
| 1810 | task_wakeup(p->table->sync_task, TASK_WOKEN_MSG); |
| 1811 | |
| 1812 | if (p->task) |
| 1813 | task_wakeup(p->task, TASK_WOKEN_MSG); |
| 1814 | } |
| 1815 | |
Krzysztof Piotr Oledzki | c8b16fc | 2008-02-18 01:26:35 +0100 | [diff] [blame] | 1816 | /* |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1817 | * This is the proxy management task. It enables proxies when there are enough |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1818 | * free streams, or stops them when the table is full. It is designed to be |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1819 | * called as a task which is woken up upon stopping or when rate limiting must |
| 1820 | * be enforced. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1821 | */ |
Willy Tarreau | 144f84a | 2021-03-02 16:09:26 +0100 | [diff] [blame] | 1822 | struct task *manage_proxy(struct task *t, void *context, unsigned int state) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1823 | { |
Olivier Houchard | 9f6af33 | 2018-05-25 14:04:04 +0200 | [diff] [blame] | 1824 | struct proxy *p = context; |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1825 | int next = TICK_ETERNITY; |
Willy Tarreau | 7958422 | 2009-03-06 09:18:27 +0100 | [diff] [blame] | 1826 | unsigned int wait; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1827 | |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1828 | /* We should periodically try to enable listeners waiting for a |
| 1829 | * global resource here. |
| 1830 | */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1831 | |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1832 | /* first, let's check if we need to stop the proxy */ |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 1833 | if (unlikely(stopping && !p->disabled)) { |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1834 | int t; |
| 1835 | t = tick_remain(now_ms, p->stop_time); |
| 1836 | if (t == 0) { |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1837 | stop_proxy(p); |
| 1838 | /* try to free more memory */ |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 1839 | pool_gc(NULL); |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1840 | } |
| 1841 | else { |
| 1842 | next = tick_first(next, p->stop_time); |
| 1843 | } |
| 1844 | } |
Willy Tarreau | f3f8c70 | 2011-07-25 07:37:28 +0200 | [diff] [blame] | 1845 | |
Willy Tarreau | 3a925c1 | 2013-09-04 17:54:01 +0200 | [diff] [blame] | 1846 | /* If the proxy holds a stick table, we need to purge all unused |
| 1847 | * entries. These are all the ones in the table with ref_cnt == 0 |
| 1848 | * and all the ones in the pool used to allocate new entries. Any |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1849 | * entry attached to an existing stream waiting for a store will |
Willy Tarreau | 3a925c1 | 2013-09-04 17:54:01 +0200 | [diff] [blame] | 1850 | * be in neither list. Any entry being dumped will have ref_cnt > 0. |
| 1851 | * However we protect tables that are being synced to peers. |
| 1852 | */ |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 1853 | if (unlikely(stopping && p->disabled && p->table && p->table->current)) { |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1854 | if (!p->table->syncing) { |
| 1855 | stktable_trash_oldest(p->table, p->table->current); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 1856 | pool_gc(NULL); |
Willy Tarreau | 3a925c1 | 2013-09-04 17:54:01 +0200 | [diff] [blame] | 1857 | } |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1858 | if (p->table->current) { |
Willy Tarreau | 3a925c1 | 2013-09-04 17:54:01 +0200 | [diff] [blame] | 1859 | /* some entries still remain, let's recheck in one second */ |
| 1860 | next = tick_first(next, tick_add(now_ms, 1000)); |
| 1861 | } |
| 1862 | } |
| 1863 | |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1864 | /* the rest below is just for frontends */ |
| 1865 | if (!(p->cap & PR_CAP_FE)) |
| 1866 | goto out; |
Willy Tarreau | f3f8c70 | 2011-07-25 07:37:28 +0200 | [diff] [blame] | 1867 | |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1868 | /* check the various reasons we may find to block the frontend */ |
Willy Tarreau | 6b3bf73 | 2020-09-24 07:35:46 +0200 | [diff] [blame] | 1869 | if (unlikely(p->feconn >= p->maxconn)) |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1870 | goto out; |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 1871 | |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1872 | if (p->fe_sps_lim && |
| 1873 | (wait = next_event_delay(&p->fe_sess_per_sec, p->fe_sps_lim, 0))) { |
| 1874 | /* we're blocking because a limit was reached on the number of |
| 1875 | * requests/s on the frontend. We want to re-check ASAP, which |
| 1876 | * means in 1 ms before estimated expiration date, because the |
| 1877 | * timer will have settled down. |
| 1878 | */ |
| 1879 | next = tick_first(next, tick_add(now_ms, wait)); |
| 1880 | goto out; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1881 | } |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1882 | |
| 1883 | /* The proxy is not limited so we can re-enable any waiting listener */ |
Willy Tarreau | 241797a | 2019-12-10 14:10:52 +0100 | [diff] [blame] | 1884 | dequeue_proxy_listeners(p); |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 1885 | out: |
| 1886 | t->expire = next; |
| 1887 | task_queue(t); |
| 1888 | return t; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1889 | } |
| 1890 | |
| 1891 | |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1892 | static int proxy_parse_hard_stop_after(char **args, int section_type, struct proxy *curpx, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 1893 | const struct proxy *defpx, const char *file, int line, |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1894 | char **err) |
| 1895 | { |
| 1896 | const char *res; |
| 1897 | |
| 1898 | if (!*args[1]) { |
| 1899 | memprintf(err, "'%s' expects <time> as argument.\n", args[0]); |
| 1900 | return -1; |
| 1901 | } |
| 1902 | res = parse_time_err(args[1], &global.hard_stop_after, TIME_UNIT_MS); |
Willy Tarreau | 9faebe3 | 2019-06-07 19:00:37 +0200 | [diff] [blame] | 1903 | if (res == PARSE_TIME_OVER) { |
| 1904 | memprintf(err, "timer overflow in argument '%s' to '%s' (maximum value is 2147483647 ms or ~24.8 days)", |
| 1905 | args[1], args[0]); |
| 1906 | return -1; |
| 1907 | } |
| 1908 | else if (res == PARSE_TIME_UNDER) { |
| 1909 | memprintf(err, "timer underflow in argument '%s' to '%s' (minimum non-null value is 1 ms)", |
| 1910 | args[1], args[0]); |
| 1911 | return -1; |
| 1912 | } |
| 1913 | else if (res) { |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1914 | memprintf(err, "unexpected character '%c' in argument to <%s>.\n", *res, args[0]); |
| 1915 | return -1; |
| 1916 | } |
| 1917 | return 0; |
| 1918 | } |
| 1919 | |
Willy Tarreau | 144f84a | 2021-03-02 16:09:26 +0100 | [diff] [blame] | 1920 | struct task *hard_stop(struct task *t, void *context, unsigned int state) |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1921 | { |
| 1922 | struct proxy *p; |
| 1923 | struct stream *s; |
Willy Tarreau | 0d03825 | 2021-02-24 11:13:59 +0100 | [diff] [blame] | 1924 | int thr; |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1925 | |
| 1926 | if (killed) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1927 | ha_warning("Some tasks resisted to hard-stop, exiting now.\n"); |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1928 | send_log(NULL, LOG_WARNING, "Some tasks resisted to hard-stop, exiting now.\n"); |
Willy Tarreau | 7067b3a | 2019-06-02 11:11:29 +0200 | [diff] [blame] | 1929 | killed = 2; |
Willy Tarreau | 0d03825 | 2021-02-24 11:13:59 +0100 | [diff] [blame] | 1930 | for (thr = 0; thr < global.nbthread; thr++) |
| 1931 | if (((all_threads_mask & ~tid_bit) >> thr) & 1) |
| 1932 | wake_thread(thr); |
Willy Tarreau | 7067b3a | 2019-06-02 11:11:29 +0200 | [diff] [blame] | 1933 | t->expire = TICK_ETERNITY; |
| 1934 | return t; |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1935 | } |
| 1936 | |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1937 | ha_warning("soft-stop running for too long, performing a hard-stop.\n"); |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1938 | send_log(NULL, LOG_WARNING, "soft-stop running for too long, performing a hard-stop.\n"); |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1939 | p = proxies_list; |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1940 | while (p) { |
| 1941 | if ((p->cap & PR_CAP_FE) && (p->feconn > 0)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1942 | ha_warning("Proxy %s hard-stopped (%d remaining conns will be closed).\n", |
| 1943 | p->id, p->feconn); |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1944 | send_log(p, LOG_WARNING, "Proxy %s hard-stopped (%d remaining conns will be closed).\n", |
| 1945 | p->id, p->feconn); |
| 1946 | } |
| 1947 | p = p->next; |
| 1948 | } |
Willy Tarreau | 92b887e | 2021-02-24 11:08:56 +0100 | [diff] [blame] | 1949 | |
| 1950 | thread_isolate(); |
Willy Tarreau | a698eb6 | 2021-02-24 10:37:01 +0100 | [diff] [blame] | 1951 | |
| 1952 | for (thr = 0; thr < global.nbthread; thr++) { |
| 1953 | list_for_each_entry(s, &ha_thread_info[thr].streams, list) { |
| 1954 | stream_shutdown(s, SF_ERR_KILLED); |
| 1955 | } |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1956 | } |
Willy Tarreau | a698eb6 | 2021-02-24 10:37:01 +0100 | [diff] [blame] | 1957 | |
Willy Tarreau | 92b887e | 2021-02-24 11:08:56 +0100 | [diff] [blame] | 1958 | thread_release(); |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1959 | |
| 1960 | killed = 1; |
| 1961 | t->expire = tick_add(now_ms, MS_TO_TICKS(1000)); |
| 1962 | return t; |
| 1963 | } |
| 1964 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1965 | /* |
| 1966 | * this function disables health-check servers so that the process will quickly be ignored |
| 1967 | * by load balancers. Note that if a proxy was already in the PAUSED state, then its grace |
| 1968 | * time will not be used since it would already not listen anymore to the socket. |
| 1969 | */ |
| 1970 | void soft_stop(void) |
| 1971 | { |
| 1972 | struct proxy *p; |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1973 | struct task *task; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1974 | |
| 1975 | stopping = 1; |
William Dauchy | 3894d97 | 2019-12-28 15:36:02 +0100 | [diff] [blame] | 1976 | /* disable busy polling to avoid cpu eating for the new process */ |
| 1977 | global.tune.options &= ~GTUNE_BUSY_POLLING; |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1978 | if (tick_isset(global.hard_stop_after)) { |
Emeric Brun | c60def8 | 2017-09-27 14:59:38 +0200 | [diff] [blame] | 1979 | task = task_new(MAX_THREADS_MASK); |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1980 | if (task) { |
| 1981 | task->process = hard_stop; |
| 1982 | task_schedule(task, tick_add(now_ms, global.hard_stop_after)); |
| 1983 | } |
| 1984 | else { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1985 | ha_alert("out of memory trying to allocate the hard-stop task.\n"); |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1986 | } |
| 1987 | } |
Willy Tarreau | 626f3a7 | 2020-10-07 16:52:43 +0200 | [diff] [blame] | 1988 | |
| 1989 | /* stop all stoppable listeners, resulting in disabling all proxies |
| 1990 | * that don't use a grace period. |
| 1991 | */ |
| 1992 | protocol_stop_now(); |
| 1993 | |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1994 | p = proxies_list; |
Willy Tarreau | b0b37bc | 2008-06-23 14:00:57 +0200 | [diff] [blame] | 1995 | tv_update_date(0,1); /* else, the old time before select will be used */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1996 | while (p) { |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 1997 | if (!p->disabled) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1998 | ha_warning("Stopping %s %s in %d ms.\n", proxy_cap_str(p->cap), p->id, p->grace); |
Willy Tarreau | f8fbcef | 2008-10-10 17:51:34 +0200 | [diff] [blame] | 1999 | send_log(p, LOG_WARNING, "Stopping %s %s in %d ms.\n", proxy_cap_str(p->cap), p->id, p->grace); |
Willy Tarreau | 0c303ee | 2008-07-07 00:09:58 +0200 | [diff] [blame] | 2000 | p->stop_time = tick_add(now_ms, p->grace); |
Emeric Brun | 5a8c0a9 | 2010-09-23 18:44:36 +0200 | [diff] [blame] | 2001 | |
Willy Tarreau | 20b7afb | 2015-09-28 16:35:04 +0200 | [diff] [blame] | 2002 | /* Note: do not wake up stopped proxies' task nor their tables' |
| 2003 | * tasks as these ones might point to already released entries. |
| 2004 | */ |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 2005 | if (p->table && p->table->size && p->table->sync_task) |
| 2006 | task_wakeup(p->table->sync_task, TASK_WOKEN_MSG); |
Willy Tarreau | 20b7afb | 2015-09-28 16:35:04 +0200 | [diff] [blame] | 2007 | |
| 2008 | if (p->task) |
| 2009 | task_wakeup(p->task, TASK_WOKEN_MSG); |
| 2010 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2011 | p = p->next; |
| 2012 | } |
Willy Tarreau | bbe11b1 | 2011-07-25 11:16:24 +0200 | [diff] [blame] | 2013 | |
Willy Tarreau | d0807c3 | 2010-08-27 18:26:11 +0200 | [diff] [blame] | 2014 | /* signal zero is used to broadcast the "stopping" event */ |
| 2015 | signal_handler(0); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2016 | } |
| 2017 | |
| 2018 | |
Willy Tarreau | be58c38 | 2011-07-24 18:28:10 +0200 | [diff] [blame] | 2019 | /* Temporarily disables listening on all of the proxy's listeners. Upon |
Willy Tarreau | a17c91b | 2020-09-24 07:44:34 +0200 | [diff] [blame] | 2020 | * success, the proxy enters the PR_PAUSED state. The function returns 0 |
Willy Tarreau | ce8fe25 | 2011-09-07 19:14:57 +0200 | [diff] [blame] | 2021 | * if it fails, or non-zero on success. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2022 | */ |
Willy Tarreau | ce8fe25 | 2011-09-07 19:14:57 +0200 | [diff] [blame] | 2023 | int pause_proxy(struct proxy *p) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2024 | { |
| 2025 | struct listener *l; |
Willy Tarreau | ce8fe25 | 2011-09-07 19:14:57 +0200 | [diff] [blame] | 2026 | |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 2027 | if (!(p->cap & PR_CAP_FE) || p->disabled || !p->li_ready) |
Willy Tarreau | ce8fe25 | 2011-09-07 19:14:57 +0200 | [diff] [blame] | 2028 | return 1; |
| 2029 | |
Willy Tarreau | a17c91b | 2020-09-24 07:44:34 +0200 | [diff] [blame] | 2030 | list_for_each_entry(l, &p->conf.listeners, by_fe) |
| 2031 | pause_listener(l); |
Willy Tarreau | ce8fe25 | 2011-09-07 19:14:57 +0200 | [diff] [blame] | 2032 | |
Willy Tarreau | a17c91b | 2020-09-24 07:44:34 +0200 | [diff] [blame] | 2033 | if (p->li_ready) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2034 | ha_warning("%s %s failed to enter pause mode.\n", proxy_cap_str(p->cap), p->id); |
Willy Tarreau | ce8fe25 | 2011-09-07 19:14:57 +0200 | [diff] [blame] | 2035 | send_log(p, LOG_WARNING, "%s %s failed to enter pause mode.\n", proxy_cap_str(p->cap), p->id); |
| 2036 | return 0; |
| 2037 | } |
Willy Tarreau | ce8fe25 | 2011-09-07 19:14:57 +0200 | [diff] [blame] | 2038 | return 1; |
Willy Tarreau | da250db | 2008-10-12 12:07:48 +0200 | [diff] [blame] | 2039 | } |
| 2040 | |
Willy Tarreau | da250db | 2008-10-12 12:07:48 +0200 | [diff] [blame] | 2041 | /* |
| 2042 | * This function completely stops a proxy and releases its listeners. It has |
| 2043 | * to be called when going down in order to release the ports so that another |
| 2044 | * process may bind to them. It must also be called on disabled proxies at the |
William Lallemand | c59f988 | 2018-11-16 16:57:21 +0100 | [diff] [blame] | 2045 | * end of start-up. If all listeners are closed, the proxy is set to the |
Willy Tarreau | 3de3cd4 | 2019-07-24 17:42:44 +0200 | [diff] [blame] | 2046 | * PR_STSTOPPED state. The function takes the proxy's lock so it's safe to |
| 2047 | * call from multiple places. |
Willy Tarreau | da250db | 2008-10-12 12:07:48 +0200 | [diff] [blame] | 2048 | */ |
| 2049 | void stop_proxy(struct proxy *p) |
| 2050 | { |
| 2051 | struct listener *l; |
| 2052 | |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2053 | HA_RWLOCK_WRLOCK(PROXY_LOCK, &p->lock); |
Willy Tarreau | 3de3cd4 | 2019-07-24 17:42:44 +0200 | [diff] [blame] | 2054 | |
Willy Tarreau | 322b9b9 | 2020-10-07 16:20:34 +0200 | [diff] [blame] | 2055 | list_for_each_entry(l, &p->conf.listeners, by_fe) |
| 2056 | stop_listener(l, 1, 0, 0); |
Willy Tarreau | 3de3cd4 | 2019-07-24 17:42:44 +0200 | [diff] [blame] | 2057 | |
Willy Tarreau | ba29687 | 2020-10-16 15:10:11 +0200 | [diff] [blame] | 2058 | if (!p->disabled && !p->li_ready) { |
| 2059 | /* might be just a backend */ |
| 2060 | p->disabled = 1; |
| 2061 | } |
| 2062 | |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2063 | HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &p->lock); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2064 | } |
| 2065 | |
Willy Tarreau | c03ebbf | 2011-09-07 21:33:14 +0200 | [diff] [blame] | 2066 | /* This function resumes listening on the specified proxy. It scans all of its |
| 2067 | * listeners and tries to enable them all. If any of them fails, the proxy is |
| 2068 | * put back to the paused state. It returns 1 upon success, or zero if an error |
| 2069 | * is encountered. |
| 2070 | */ |
| 2071 | int resume_proxy(struct proxy *p) |
| 2072 | { |
| 2073 | struct listener *l; |
| 2074 | int fail; |
| 2075 | |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 2076 | if (p->disabled || !p->li_paused) |
Willy Tarreau | c03ebbf | 2011-09-07 21:33:14 +0200 | [diff] [blame] | 2077 | return 1; |
| 2078 | |
Willy Tarreau | c03ebbf | 2011-09-07 21:33:14 +0200 | [diff] [blame] | 2079 | fail = 0; |
Willy Tarreau | 4348fad | 2012-09-20 16:48:07 +0200 | [diff] [blame] | 2080 | list_for_each_entry(l, &p->conf.listeners, by_fe) { |
Willy Tarreau | c03ebbf | 2011-09-07 21:33:14 +0200 | [diff] [blame] | 2081 | if (!resume_listener(l)) { |
| 2082 | int port; |
| 2083 | |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 2084 | port = get_host_port(&l->rx.addr); |
Willy Tarreau | c03ebbf | 2011-09-07 21:33:14 +0200 | [diff] [blame] | 2085 | if (port) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2086 | ha_warning("Port %d busy while trying to enable %s %s.\n", |
| 2087 | port, proxy_cap_str(p->cap), p->id); |
Willy Tarreau | c03ebbf | 2011-09-07 21:33:14 +0200 | [diff] [blame] | 2088 | send_log(p, LOG_WARNING, "Port %d busy while trying to enable %s %s.\n", |
| 2089 | port, proxy_cap_str(p->cap), p->id); |
| 2090 | } |
| 2091 | else { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2092 | ha_warning("Bind on socket %d busy while trying to enable %s %s.\n", |
| 2093 | l->luid, proxy_cap_str(p->cap), p->id); |
Willy Tarreau | c03ebbf | 2011-09-07 21:33:14 +0200 | [diff] [blame] | 2094 | send_log(p, LOG_WARNING, "Bind on socket %d busy while trying to enable %s %s.\n", |
| 2095 | l->luid, proxy_cap_str(p->cap), p->id); |
| 2096 | } |
| 2097 | |
| 2098 | /* Another port might have been enabled. Let's stop everything. */ |
| 2099 | fail = 1; |
| 2100 | break; |
| 2101 | } |
| 2102 | } |
| 2103 | |
Willy Tarreau | c03ebbf | 2011-09-07 21:33:14 +0200 | [diff] [blame] | 2104 | if (fail) { |
| 2105 | pause_proxy(p); |
| 2106 | return 0; |
| 2107 | } |
| 2108 | return 1; |
| 2109 | } |
| 2110 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2111 | /* Set current stream's backend to <be>. Nothing is done if the |
| 2112 | * stream already had a backend assigned, which is indicated by |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2113 | * s->flags & SF_BE_ASSIGNED. |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2114 | * All flags, stats and counters which need be updated are updated. |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 2115 | * Returns 1 if done, 0 in case of internal error, eg: lack of resource. |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2116 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2117 | int stream_set_backend(struct stream *s, struct proxy *be) |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2118 | { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2119 | if (s->flags & SF_BE_ASSIGNED) |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 2120 | return 1; |
Christopher Faulet | 4117904 | 2016-06-21 11:54:52 +0200 | [diff] [blame] | 2121 | |
| 2122 | if (flt_set_stream_backend(s, be) < 0) |
| 2123 | return 0; |
| 2124 | |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2125 | s->be = be; |
Christopher Faulet | ff8abcd | 2017-06-02 15:33:24 +0200 | [diff] [blame] | 2126 | HA_ATOMIC_UPDATE_MAX(&be->be_counters.conn_max, |
| 2127 | HA_ATOMIC_ADD(&be->beconn, 1)); |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2128 | proxy_inc_be_ctr(be); |
| 2129 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2130 | /* assign new parameters to the stream from the new backend */ |
Willy Tarreau | f27b5ea | 2009-10-03 22:01:18 +0200 | [diff] [blame] | 2131 | s->si[1].flags &= ~SI_FL_INDEP_STR; |
| 2132 | if (be->options2 & PR_O2_INDEPSTR) |
| 2133 | s->si[1].flags |= SI_FL_INDEP_STR; |
| 2134 | |
Hongbo Long | e39683c | 2017-03-10 18:41:51 +0100 | [diff] [blame] | 2135 | if (tick_isset(be->timeout.serverfin)) |
| 2136 | s->si[1].hcto = be->timeout.serverfin; |
| 2137 | |
Willy Tarreau | 9fbe18e | 2015-05-01 22:42:08 +0200 | [diff] [blame] | 2138 | /* We want to enable the backend-specific analysers except those which |
| 2139 | * were already run as part of the frontend/listener. Note that it would |
| 2140 | * be more reliable to store the list of analysers that have been run, |
| 2141 | * but what we do here is OK for now. |
| 2142 | */ |
Christopher Faulet | 70e2f27 | 2017-01-09 16:33:19 +0100 | [diff] [blame] | 2143 | s->req.analysers |= be->be_req_ana & ~(strm_li(s) ? strm_li(s)->analysers : 0); |
Willy Tarreau | 9fbe18e | 2015-05-01 22:42:08 +0200 | [diff] [blame] | 2144 | |
Willy Tarreau | 51aecc7 | 2009-07-12 09:47:04 +0200 | [diff] [blame] | 2145 | /* If the target backend requires HTTP processing, we have to allocate |
Christopher Faulet | 711ed6a | 2019-07-16 14:16:10 +0200 | [diff] [blame] | 2146 | * the HTTP transaction if we did not have one. |
Willy Tarreau | 51aecc7 | 2009-07-12 09:47:04 +0200 | [diff] [blame] | 2147 | */ |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 2148 | if (unlikely(!s->txn && be->http_needed)) { |
| 2149 | if (unlikely(!http_alloc_txn(s))) |
Willy Tarreau | 51aecc7 | 2009-07-12 09:47:04 +0200 | [diff] [blame] | 2150 | return 0; /* not enough memory */ |
Willy Tarreau | 39e4f62 | 2010-05-31 17:01:36 +0200 | [diff] [blame] | 2151 | |
| 2152 | /* and now initialize the HTTP transaction state */ |
| 2153 | http_init_txn(s); |
Willy Tarreau | 51aecc7 | 2009-07-12 09:47:04 +0200 | [diff] [blame] | 2154 | } |
| 2155 | |
Christopher Faulet | 309c641 | 2015-12-02 09:57:32 +0100 | [diff] [blame] | 2156 | /* Be sure to filter request headers if the backend is an HTTP proxy and |
| 2157 | * if there are filters attached to the stream. */ |
| 2158 | if (s->be->mode == PR_MODE_HTTP && HAS_FILTERS(s)) |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 2159 | s->req.analysers |= AN_REQ_FLT_HTTP_HDRS; |
Christopher Faulet | 309c641 | 2015-12-02 09:57:32 +0100 | [diff] [blame] | 2160 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 2161 | if (s->txn) { |
Christopher Faulet | bbe6854 | 2019-04-08 10:53:51 +0200 | [diff] [blame] | 2162 | /* If we chain a TCP frontend to an HTX backend, we must upgrade |
| 2163 | * the client mux */ |
Christopher Faulet | 60d29b3 | 2019-07-15 15:00:25 +0200 | [diff] [blame] | 2164 | if (!IS_HTX_STRM(s) && be->mode == PR_MODE_HTTP) { |
Christopher Faulet | bbe6854 | 2019-04-08 10:53:51 +0200 | [diff] [blame] | 2165 | struct connection *conn = objt_conn(strm_sess(s)->origin); |
| 2166 | struct conn_stream *cs = objt_cs(s->si[0].end); |
| 2167 | |
| 2168 | if (conn && cs) { |
| 2169 | si_rx_endp_more(&s->si[0]); |
Olivier Houchard | 2ab3dad | 2019-07-03 13:08:18 +0200 | [diff] [blame] | 2170 | /* Make sure we're unsubscribed, the the new |
| 2171 | * mux will probably want to subscribe to |
| 2172 | * the underlying XPRT |
| 2173 | */ |
| 2174 | if (s->si[0].wait_event.events) |
| 2175 | conn->mux->unsubscribe(cs, s->si[0].wait_event.events, |
| 2176 | &s->si[0].wait_event); |
Christopher Faulet | 7a9e362 | 2021-03-08 15:32:28 +0100 | [diff] [blame] | 2177 | if (conn->mux->flags & MX_FL_NO_UPG) |
| 2178 | return 0; |
Christopher Faulet | c985f6c | 2019-07-15 11:42:52 +0200 | [diff] [blame] | 2179 | if (conn_upgrade_mux_fe(conn, cs, &s->req.buf, ist(""), PROTO_MODE_HTTP) == -1) |
Christopher Faulet | bbe6854 | 2019-04-08 10:53:51 +0200 | [diff] [blame] | 2180 | return 0; |
Christopher Faulet | f0d7eb2 | 2021-03-22 15:07:51 +0100 | [diff] [blame] | 2181 | |
| 2182 | s->req.flags &= ~(CF_READ_PARTIAL|CF_AUTO_CONNECT); |
| 2183 | s->req.total = 0; |
| 2184 | s->flags |= SF_IGNORE; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 2185 | if (strcmp(conn->mux->name, "H2") == 0) { |
Olivier Houchard | 4c18f94 | 2019-07-31 18:05:26 +0200 | [diff] [blame] | 2186 | /* For HTTP/2, destroy the conn_stream, |
Christopher Faulet | f0d7eb2 | 2021-03-22 15:07:51 +0100 | [diff] [blame] | 2187 | * disable logging, and abort the stream |
| 2188 | * process. Thus it will be silently |
| 2189 | * destroyed. The new mux will create |
| 2190 | * new streams. |
Olivier Houchard | 4c18f94 | 2019-07-31 18:05:26 +0200 | [diff] [blame] | 2191 | */ |
Olivier Houchard | 59dd06d | 2019-08-09 18:01:15 +0200 | [diff] [blame] | 2192 | cs_free(cs); |
Olivier Houchard | 4c18f94 | 2019-07-31 18:05:26 +0200 | [diff] [blame] | 2193 | si_detach_endpoint(&s->si[0]); |
| 2194 | s->logs.logwait = 0; |
| 2195 | s->logs.level = 0; |
Christopher Faulet | f0d7eb2 | 2021-03-22 15:07:51 +0100 | [diff] [blame] | 2196 | channel_abort(&s->req); |
| 2197 | channel_abort(&s->res); |
| 2198 | s->req.analysers &= AN_REQ_FLT_END; |
| 2199 | s->req.analyse_exp = TICK_ETERNITY; |
| 2200 | return 1; |
Olivier Houchard | 4c18f94 | 2019-07-31 18:05:26 +0200 | [diff] [blame] | 2201 | } |
Christopher Faulet | bbe6854 | 2019-04-08 10:53:51 +0200 | [diff] [blame] | 2202 | } |
| 2203 | } |
Christopher Faulet | eec7f8a | 2019-12-20 15:59:20 +0100 | [diff] [blame] | 2204 | else if (IS_HTX_STRM(s) && be->mode != PR_MODE_HTTP) { |
| 2205 | /* If a TCP backend is assgiend to an HTX stream, return |
| 2206 | * an error. It may happens for a new stream on a |
Ilya Shipitsin | 47d1718 | 2020-06-21 21:42:57 +0500 | [diff] [blame] | 2207 | * previously upgraded connections. */ |
Christopher Faulet | eec7f8a | 2019-12-20 15:59:20 +0100 | [diff] [blame] | 2208 | if (!(s->flags & SF_ERR_MASK)) |
| 2209 | s->flags |= SF_ERR_INTERNAL; |
| 2210 | return 0; |
| 2211 | } |
Christopher Faulet | bbe6854 | 2019-04-08 10:53:51 +0200 | [diff] [blame] | 2212 | |
Willy Tarreau | 9fbe18e | 2015-05-01 22:42:08 +0200 | [diff] [blame] | 2213 | /* we may request to parse a request body */ |
Christopher Faulet | 711ed6a | 2019-07-16 14:16:10 +0200 | [diff] [blame] | 2214 | if (be->options & PR_O_WREQ_BODY) |
Willy Tarreau | 9fbe18e | 2015-05-01 22:42:08 +0200 | [diff] [blame] | 2215 | s->req.analysers |= AN_REQ_HTTP_BODY; |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 2216 | } |
| 2217 | |
| 2218 | s->flags |= SF_BE_ASSIGNED; |
Willy Tarreau | 96e3121 | 2011-05-30 18:10:30 +0200 | [diff] [blame] | 2219 | if (be->options2 & PR_O2_NODELAY) { |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 2220 | s->req.flags |= CF_NEVER_WAIT; |
| 2221 | s->res.flags |= CF_NEVER_WAIT; |
Willy Tarreau | 96e3121 | 2011-05-30 18:10:30 +0200 | [diff] [blame] | 2222 | } |
| 2223 | |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 2224 | return 1; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2225 | } |
| 2226 | |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2227 | /* Capture a bad request or response and archive it in the proxy's structure. |
| 2228 | * It is relatively protocol-agnostic so it requires that a number of elements |
| 2229 | * are passed : |
| 2230 | * - <proxy> is the proxy where the error was detected and where the snapshot |
| 2231 | * needs to be stored |
Joseph Herlant | 59dd295 | 2018-11-15 11:46:55 -0800 | [diff] [blame] | 2232 | * - <is_back> indicates that the error happened when receiving the response |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2233 | * - <other_end> is a pointer to the proxy on the other side when known |
| 2234 | * - <target> is the target of the connection, usually a server or a proxy |
| 2235 | * - <sess> is the session which experienced the error |
| 2236 | * - <ctx> may be NULL or should contain any info relevant to the protocol |
| 2237 | * - <buf> is the buffer containing the offending data |
| 2238 | * - <buf_ofs> is the position of this buffer's input data in the input |
| 2239 | * stream, starting at zero. It may be passed as zero if unknown. |
| 2240 | * - <buf_out> is the portion of <buf->data> which was already forwarded and |
| 2241 | * which precedes the buffer's input. The buffer's input starts at |
| 2242 | * buf->head + buf_out. |
| 2243 | * - <err_pos> is the pointer to the faulty byte in the buffer's input. |
| 2244 | * - <show> is the callback to use to display <ctx>. It may be NULL. |
| 2245 | */ |
| 2246 | void proxy_capture_error(struct proxy *proxy, int is_back, |
| 2247 | struct proxy *other_end, enum obj_type *target, |
| 2248 | const struct session *sess, |
| 2249 | const struct buffer *buf, long buf_ofs, |
| 2250 | unsigned int buf_out, unsigned int err_pos, |
| 2251 | const union error_snapshot_ctx *ctx, |
| 2252 | void (*show)(struct buffer *, const struct error_snapshot *)) |
| 2253 | { |
| 2254 | struct error_snapshot *es; |
| 2255 | unsigned int buf_len; |
| 2256 | int len1, len2; |
Willy Tarreau | c55015e | 2018-09-07 19:02:32 +0200 | [diff] [blame] | 2257 | unsigned int ev_id; |
| 2258 | |
| 2259 | ev_id = HA_ATOMIC_XADD(&error_snapshot_id, 1); |
| 2260 | |
Willy Tarreau | 4bc7d90 | 2018-09-07 20:07:17 +0200 | [diff] [blame] | 2261 | buf_len = b_data(buf) - buf_out; |
| 2262 | |
| 2263 | es = malloc(sizeof(*es) + buf_len); |
Willy Tarreau | c55015e | 2018-09-07 19:02:32 +0200 | [diff] [blame] | 2264 | if (!es) |
| 2265 | return; |
| 2266 | |
Willy Tarreau | 4bc7d90 | 2018-09-07 20:07:17 +0200 | [diff] [blame] | 2267 | es->buf_len = buf_len; |
| 2268 | es->ev_id = ev_id; |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2269 | |
Christopher Faulet | 47a7210 | 2020-01-06 11:37:00 +0100 | [diff] [blame] | 2270 | len1 = b_size(buf) - b_peek_ofs(buf, buf_out); |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2271 | if (len1 > buf_len) |
| 2272 | len1 = buf_len; |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2273 | |
Willy Tarreau | 4bc7d90 | 2018-09-07 20:07:17 +0200 | [diff] [blame] | 2274 | if (len1) { |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2275 | memcpy(es->buf, b_peek(buf, buf_out), len1); |
Willy Tarreau | 4bc7d90 | 2018-09-07 20:07:17 +0200 | [diff] [blame] | 2276 | len2 = buf_len - len1; |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2277 | if (len2) |
| 2278 | memcpy(es->buf + len1, b_orig(buf), len2); |
| 2279 | } |
| 2280 | |
| 2281 | es->buf_err = err_pos; |
| 2282 | es->when = date; // user-visible date |
| 2283 | es->srv = objt_server(target); |
| 2284 | es->oe = other_end; |
Olivier Houchard | bdb00c5 | 2020-03-12 15:30:17 +0100 | [diff] [blame] | 2285 | if (sess && objt_conn(sess->origin) && conn_get_src(__objt_conn(sess->origin))) |
Willy Tarreau | 026efc7 | 2019-07-17 15:20:02 +0200 | [diff] [blame] | 2286 | es->src = *__objt_conn(sess->origin)->src; |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2287 | else |
| 2288 | memset(&es->src, 0, sizeof(es->src)); |
| 2289 | |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2290 | es->buf_wrap = b_wrap(buf) - b_peek(buf, buf_out); |
| 2291 | es->buf_out = buf_out; |
| 2292 | es->buf_ofs = buf_ofs; |
| 2293 | |
| 2294 | /* be sure to indicate the offset of the first IN byte */ |
| 2295 | if (es->buf_ofs >= es->buf_len) |
| 2296 | es->buf_ofs -= es->buf_len; |
| 2297 | else |
| 2298 | es->buf_ofs = 0; |
| 2299 | |
| 2300 | /* protocol-specific part now */ |
| 2301 | if (ctx) |
| 2302 | es->ctx = *ctx; |
| 2303 | else |
| 2304 | memset(&es->ctx, 0, sizeof(es->ctx)); |
| 2305 | es->show = show; |
Willy Tarreau | c55015e | 2018-09-07 19:02:32 +0200 | [diff] [blame] | 2306 | |
| 2307 | /* note: we still lock since we have to be certain that nobody is |
| 2308 | * dumping the output while we free. |
| 2309 | */ |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2310 | HA_RWLOCK_WRLOCK(PROXY_LOCK, &proxy->lock); |
Willy Tarreau | c55015e | 2018-09-07 19:02:32 +0200 | [diff] [blame] | 2311 | if (is_back) { |
| 2312 | es = HA_ATOMIC_XCHG(&proxy->invalid_rep, es); |
| 2313 | } else { |
| 2314 | es = HA_ATOMIC_XCHG(&proxy->invalid_req, es); |
| 2315 | } |
| 2316 | free(es); |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2317 | HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &proxy->lock); |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2318 | } |
| 2319 | |
Willy Tarreau | c8d5b95 | 2019-02-27 17:25:52 +0100 | [diff] [blame] | 2320 | /* Configure all proxies which lack a maxconn setting to use the global one by |
| 2321 | * default. This avoids the common mistake consisting in setting maxconn only |
| 2322 | * in the global section and discovering the hard way that it doesn't propagate |
| 2323 | * through the frontends. These values are also propagated through the various |
Ilya Shipitsin | 47d1718 | 2020-06-21 21:42:57 +0500 | [diff] [blame] | 2324 | * targeted backends, whose fullconn is finally calculated if not yet set. |
Willy Tarreau | c8d5b95 | 2019-02-27 17:25:52 +0100 | [diff] [blame] | 2325 | */ |
| 2326 | void proxy_adjust_all_maxconn() |
| 2327 | { |
| 2328 | struct proxy *curproxy; |
| 2329 | struct switching_rule *swrule1, *swrule2; |
| 2330 | |
| 2331 | for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) { |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 2332 | if (curproxy->disabled) |
Willy Tarreau | c8d5b95 | 2019-02-27 17:25:52 +0100 | [diff] [blame] | 2333 | continue; |
| 2334 | |
| 2335 | if (!(curproxy->cap & PR_CAP_FE)) |
| 2336 | continue; |
| 2337 | |
| 2338 | if (!curproxy->maxconn) |
| 2339 | curproxy->maxconn = global.maxconn; |
| 2340 | |
| 2341 | /* update the target backend's fullconn count : default_backend */ |
| 2342 | if (curproxy->defbe.be) |
| 2343 | curproxy->defbe.be->tot_fe_maxconn += curproxy->maxconn; |
| 2344 | else if ((curproxy->cap & PR_CAP_LISTEN) == PR_CAP_LISTEN) |
| 2345 | curproxy->tot_fe_maxconn += curproxy->maxconn; |
| 2346 | |
| 2347 | list_for_each_entry(swrule1, &curproxy->switching_rules, list) { |
| 2348 | /* For each target of switching rules, we update their |
| 2349 | * tot_fe_maxconn, except if a previous rule points to |
| 2350 | * the same backend or to the default backend. |
| 2351 | */ |
| 2352 | if (swrule1->be.backend != curproxy->defbe.be) { |
Frédéric Lécaille | 2365fb0 | 2019-03-07 15:02:52 +0100 | [diff] [blame] | 2353 | /* note: swrule1->be.backend isn't a backend if the rule |
| 2354 | * is dynamic, it's an expression instead, so it must not |
| 2355 | * be dereferenced as a backend before being certain it is. |
| 2356 | */ |
Willy Tarreau | c8d5b95 | 2019-02-27 17:25:52 +0100 | [diff] [blame] | 2357 | list_for_each_entry(swrule2, &curproxy->switching_rules, list) { |
| 2358 | if (swrule2 == swrule1) { |
Frédéric Lécaille | 2365fb0 | 2019-03-07 15:02:52 +0100 | [diff] [blame] | 2359 | if (!swrule1->dynamic) |
| 2360 | swrule1->be.backend->tot_fe_maxconn += curproxy->maxconn; |
Willy Tarreau | c8d5b95 | 2019-02-27 17:25:52 +0100 | [diff] [blame] | 2361 | break; |
| 2362 | } |
| 2363 | else if (!swrule2->dynamic && swrule2->be.backend == swrule1->be.backend) { |
| 2364 | /* there are multiple refs of this backend */ |
| 2365 | break; |
| 2366 | } |
| 2367 | } |
| 2368 | } |
| 2369 | } |
| 2370 | } |
| 2371 | |
| 2372 | /* automatically compute fullconn if not set. We must not do it in the |
| 2373 | * loop above because cross-references are not yet fully resolved. |
| 2374 | */ |
| 2375 | for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) { |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 2376 | if (curproxy->disabled) |
Willy Tarreau | c8d5b95 | 2019-02-27 17:25:52 +0100 | [diff] [blame] | 2377 | continue; |
| 2378 | |
| 2379 | /* If <fullconn> is not set, let's set it to 10% of the sum of |
| 2380 | * the possible incoming frontend's maxconns. |
| 2381 | */ |
| 2382 | if (!curproxy->fullconn && (curproxy->cap & PR_CAP_BE)) { |
| 2383 | /* we have the sum of the maxconns in <total>. We only |
| 2384 | * keep 10% of that sum to set the default fullconn, with |
| 2385 | * a hard minimum of 1 (to avoid a divide by zero). |
| 2386 | */ |
| 2387 | curproxy->fullconn = (curproxy->tot_fe_maxconn + 9) / 10; |
| 2388 | if (!curproxy->fullconn) |
| 2389 | curproxy->fullconn = 1; |
| 2390 | } |
| 2391 | } |
| 2392 | } |
| 2393 | |
Willy Tarreau | 75fb65a | 2018-09-07 17:43:26 +0200 | [diff] [blame] | 2394 | /* Config keywords below */ |
| 2395 | |
Willy Tarreau | dc13c11 | 2013-06-21 23:16:39 +0200 | [diff] [blame] | 2396 | static struct cfg_kw_list cfg_kws = {ILH, { |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 2397 | { CFG_GLOBAL, "hard-stop-after", proxy_parse_hard_stop_after }, |
Willy Tarreau | 9de1bbd | 2008-07-09 20:34:27 +0200 | [diff] [blame] | 2398 | { CFG_LISTEN, "timeout", proxy_parse_timeout }, |
Tim Duesterhus | 86e6b6e | 2019-05-14 20:57:59 +0200 | [diff] [blame] | 2399 | { CFG_LISTEN, "clitimeout", proxy_parse_timeout }, /* This keyword actually fails to parse, this line remains for better error messages. */ |
| 2400 | { CFG_LISTEN, "contimeout", proxy_parse_timeout }, /* This keyword actually fails to parse, this line remains for better error messages. */ |
| 2401 | { CFG_LISTEN, "srvtimeout", proxy_parse_timeout }, /* This keyword actually fails to parse, this line remains for better error messages. */ |
Willy Tarreau | 3a7d207 | 2009-03-05 23:48:25 +0100 | [diff] [blame] | 2402 | { CFG_LISTEN, "rate-limit", proxy_parse_rate_limit }, |
Willy Tarreau | c35362a | 2014-04-25 13:58:37 +0200 | [diff] [blame] | 2403 | { CFG_LISTEN, "max-keep-alive-queue", proxy_parse_max_ka_queue }, |
Thierry FOURNIER | a0a1b75 | 2015-05-26 17:44:32 +0200 | [diff] [blame] | 2404 | { CFG_LISTEN, "declare", proxy_parse_declare }, |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 2405 | { CFG_LISTEN, "retry-on", proxy_parse_retry_on }, |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 2406 | #ifdef TCP_KEEPCNT |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 2407 | { CFG_LISTEN, "clitcpka-cnt", proxy_parse_tcpka_cnt }, |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 2408 | { CFG_LISTEN, "srvtcpka-cnt", proxy_parse_tcpka_cnt }, |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 2409 | #endif |
| 2410 | #ifdef TCP_KEEPIDLE |
| 2411 | { CFG_LISTEN, "clitcpka-idle", proxy_parse_tcpka_idle }, |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 2412 | { CFG_LISTEN, "srvtcpka-idle", proxy_parse_tcpka_idle }, |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 2413 | #endif |
| 2414 | #ifdef TCP_KEEPINTVL |
| 2415 | { CFG_LISTEN, "clitcpka-intvl", proxy_parse_tcpka_intvl }, |
MIZUTA Takeshi | b24bc0d | 2020-07-09 11:13:20 +0900 | [diff] [blame] | 2416 | { CFG_LISTEN, "srvtcpka-intvl", proxy_parse_tcpka_intvl }, |
Willy Tarreau | 5254321 | 2020-07-09 05:58:51 +0200 | [diff] [blame] | 2417 | #endif |
Willy Tarreau | 9de1bbd | 2008-07-09 20:34:27 +0200 | [diff] [blame] | 2418 | { 0, NULL, NULL }, |
| 2419 | }}; |
| 2420 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 2421 | INITCALL1(STG_REGISTER, cfg_register_keywords, &cfg_kws); |
| 2422 | |
Willy Tarreau | 960f2cb | 2016-11-24 12:02:29 +0100 | [diff] [blame] | 2423 | /* Expects to find a frontend named <arg> and returns it, otherwise displays various |
| 2424 | * adequate error messages and returns NULL. This function is designed to be used by |
| 2425 | * functions requiring a frontend on the CLI. |
| 2426 | */ |
| 2427 | struct proxy *cli_find_frontend(struct appctx *appctx, const char *arg) |
| 2428 | { |
| 2429 | struct proxy *px; |
| 2430 | |
| 2431 | if (!*arg) { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2432 | cli_err(appctx, "A frontend name is expected.\n"); |
Willy Tarreau | 960f2cb | 2016-11-24 12:02:29 +0100 | [diff] [blame] | 2433 | return NULL; |
| 2434 | } |
| 2435 | |
| 2436 | px = proxy_fe_by_name(arg); |
| 2437 | if (!px) { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2438 | cli_err(appctx, "No such frontend.\n"); |
Willy Tarreau | 960f2cb | 2016-11-24 12:02:29 +0100 | [diff] [blame] | 2439 | return NULL; |
| 2440 | } |
| 2441 | return px; |
| 2442 | } |
| 2443 | |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2444 | /* Expects to find a backend named <arg> and returns it, otherwise displays various |
| 2445 | * adequate error messages and returns NULL. This function is designed to be used by |
| 2446 | * functions requiring a frontend on the CLI. |
| 2447 | */ |
| 2448 | struct proxy *cli_find_backend(struct appctx *appctx, const char *arg) |
| 2449 | { |
| 2450 | struct proxy *px; |
| 2451 | |
| 2452 | if (!*arg) { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2453 | cli_err(appctx, "A backend name is expected.\n"); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2454 | return NULL; |
| 2455 | } |
| 2456 | |
| 2457 | px = proxy_be_by_name(arg); |
| 2458 | if (!px) { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2459 | cli_err(appctx, "No such backend.\n"); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2460 | return NULL; |
| 2461 | } |
| 2462 | return px; |
| 2463 | } |
| 2464 | |
| 2465 | |
Willy Tarreau | 69f591e | 2020-07-01 07:00:59 +0200 | [diff] [blame] | 2466 | /* parse a "show servers [state|conn]" CLI line, returns 0 if it wants to start |
| 2467 | * the dump or 1 if it stops immediately. If an argument is specified, it will |
| 2468 | * set the proxy pointer into cli.p0 and its ID into cli.i0. It sets cli.o0 to |
| 2469 | * 0 for "state", or 1 for "conn". |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2470 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2471 | static int cli_parse_show_servers(char **args, char *payload, struct appctx *appctx, void *private) |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2472 | { |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2473 | struct proxy *px; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2474 | |
Willy Tarreau | 69f591e | 2020-07-01 07:00:59 +0200 | [diff] [blame] | 2475 | appctx->ctx.cli.o0 = *args[2] == 'c'; // "conn" vs "state" |
| 2476 | |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2477 | /* check if a backend name has been provided */ |
| 2478 | if (*args[3]) { |
| 2479 | /* read server state from local file */ |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2480 | px = proxy_be_by_name(args[3]); |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2481 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2482 | if (!px) |
| 2483 | return cli_err(appctx, "Can't find backend.\n"); |
| 2484 | |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2485 | appctx->ctx.cli.p0 = px; |
| 2486 | appctx->ctx.cli.i0 = px->uuid; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2487 | } |
| 2488 | return 0; |
| 2489 | } |
| 2490 | |
William Dauchy | d1a7b85 | 2021-02-11 22:51:26 +0100 | [diff] [blame] | 2491 | /* helper to dump server addr */ |
| 2492 | static void dump_server_addr(const struct sockaddr_storage *addr, char *addr_str) |
| 2493 | { |
| 2494 | addr_str[0] = '\0'; |
| 2495 | switch (addr->ss_family) { |
| 2496 | case AF_INET: |
| 2497 | case AF_INET6: |
| 2498 | addr_to_str(addr, addr_str, INET6_ADDRSTRLEN + 1); |
| 2499 | break; |
| 2500 | default: |
| 2501 | memcpy(addr_str, "-\0", 2); |
| 2502 | break; |
| 2503 | } |
| 2504 | } |
| 2505 | |
Willy Tarreau | 6ff8143 | 2020-07-01 07:02:42 +0200 | [diff] [blame] | 2506 | /* dumps server state information for all the servers found in backend cli.p0. |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2507 | * These information are all the parameters which may change during HAProxy runtime. |
| 2508 | * By default, we only export to the last known server state file format. |
| 2509 | * These information can be used at next startup to recover same level of server state. |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2510 | * It uses the proxy pointer from cli.p0, the proxy's id from cli.i0 and the server's |
| 2511 | * pointer from cli.p1. |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2512 | */ |
Willy Tarreau | 6ff8143 | 2020-07-01 07:02:42 +0200 | [diff] [blame] | 2513 | static int dump_servers_state(struct stream_interface *si) |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2514 | { |
| 2515 | struct appctx *appctx = __objt_appctx(si->end); |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2516 | struct proxy *px = appctx->ctx.cli.p0; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2517 | struct server *srv; |
| 2518 | char srv_addr[INET6_ADDRSTRLEN + 1]; |
William Dauchy | d1a7b85 | 2021-02-11 22:51:26 +0100 | [diff] [blame] | 2519 | char srv_agent_addr[INET6_ADDRSTRLEN + 1]; |
| 2520 | char srv_check_addr[INET6_ADDRSTRLEN + 1]; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2521 | time_t srv_time_since_last_change; |
| 2522 | int bk_f_forced_id, srv_f_forced_id; |
Baptiste Assmann | 6d0f38f | 2018-07-02 17:00:54 +0200 | [diff] [blame] | 2523 | char *srvrecord; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2524 | |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2525 | /* we don't want to report any state if the backend is not enabled on this process */ |
Willy Tarreau | 6daac19 | 2019-02-02 17:39:53 +0100 | [diff] [blame] | 2526 | if (!(proc_mask(px->bind_proc) & pid_bit)) |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2527 | return 1; |
| 2528 | |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2529 | if (!appctx->ctx.cli.p1) |
| 2530 | appctx->ctx.cli.p1 = px->srv; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2531 | |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2532 | for (; appctx->ctx.cli.p1 != NULL; appctx->ctx.cli.p1 = srv->next) { |
| 2533 | srv = appctx->ctx.cli.p1; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2534 | |
William Dauchy | d1a7b85 | 2021-02-11 22:51:26 +0100 | [diff] [blame] | 2535 | dump_server_addr(&srv->addr, srv_addr); |
| 2536 | dump_server_addr(&srv->check.addr, srv_check_addr); |
| 2537 | dump_server_addr(&srv->agent.addr, srv_agent_addr); |
| 2538 | |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2539 | srv_time_since_last_change = now.tv_sec - srv->last_change; |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2540 | bk_f_forced_id = px->options & PR_O_FORCED_ID ? 1 : 0; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2541 | srv_f_forced_id = srv->flags & SRV_F_FORCED_ID ? 1 : 0; |
| 2542 | |
Baptiste Assmann | 6d0f38f | 2018-07-02 17:00:54 +0200 | [diff] [blame] | 2543 | srvrecord = NULL; |
| 2544 | if (srv->srvrq && srv->srvrq->name) |
| 2545 | srvrecord = srv->srvrq->name; |
| 2546 | |
Willy Tarreau | 69f591e | 2020-07-01 07:00:59 +0200 | [diff] [blame] | 2547 | if (appctx->ctx.cli.o0 == 0) { |
| 2548 | /* show servers state */ |
| 2549 | chunk_printf(&trash, |
| 2550 | "%d %s " |
| 2551 | "%d %s %s " |
| 2552 | "%d %d %d %d %ld " |
| 2553 | "%d %d %d %d %d " |
William Dauchy | f637044 | 2020-11-14 19:25:33 +0100 | [diff] [blame] | 2554 | "%d %d %s %u " |
William Dauchy | d1a7b85 | 2021-02-11 22:51:26 +0100 | [diff] [blame] | 2555 | "%s %d %d " |
| 2556 | "%s %s %d" |
Willy Tarreau | 69f591e | 2020-07-01 07:00:59 +0200 | [diff] [blame] | 2557 | "\n", |
| 2558 | px->uuid, px->id, |
| 2559 | srv->puid, srv->id, srv_addr, |
| 2560 | srv->cur_state, srv->cur_admin, srv->uweight, srv->iweight, (long int)srv_time_since_last_change, |
| 2561 | srv->check.status, srv->check.result, srv->check.health, srv->check.state, srv->agent.state, |
| 2562 | bk_f_forced_id, srv_f_forced_id, srv->hostname ? srv->hostname : "-", srv->svc_port, |
William Dauchy | d1a7b85 | 2021-02-11 22:51:26 +0100 | [diff] [blame] | 2563 | srvrecord ? srvrecord : "-", srv->use_ssl, srv->check.port, |
| 2564 | srv_check_addr, srv_agent_addr, srv->agent.port); |
Willy Tarreau | 69f591e | 2020-07-01 07:00:59 +0200 | [diff] [blame] | 2565 | } else { |
| 2566 | /* show servers conn */ |
| 2567 | int thr; |
| 2568 | |
| 2569 | chunk_printf(&trash, |
| 2570 | "%s/%s %d/%d %s %u - %u %u %u %u %u %u %d %u", |
| 2571 | px->id, srv->id, px->uuid, srv->puid, srv_addr,srv->svc_port, |
| 2572 | srv->pool_purge_delay, |
| 2573 | srv->curr_used_conns, srv->max_used_conns, srv->est_need_conns, |
| 2574 | srv->curr_idle_nb, srv->curr_safe_nb, (int)srv->max_idle_conns, srv->curr_idle_conns); |
| 2575 | |
Willy Tarreau | 42abe68 | 2020-07-02 15:19:57 +0200 | [diff] [blame] | 2576 | for (thr = 0; thr < global.nbthread && srv->curr_idle_thr; thr++) |
Willy Tarreau | 69f591e | 2020-07-01 07:00:59 +0200 | [diff] [blame] | 2577 | chunk_appendf(&trash, " %u", srv->curr_idle_thr[thr]); |
| 2578 | |
| 2579 | chunk_appendf(&trash, "\n"); |
| 2580 | } |
| 2581 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 2582 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 2583 | si_rx_room_blk(si); |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2584 | return 0; |
| 2585 | } |
| 2586 | } |
| 2587 | return 1; |
| 2588 | } |
| 2589 | |
| 2590 | /* Parses backend list or simply use backend name provided by the user to return |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2591 | * states of servers to stdout. It dumps proxy <cli.p0> and stops if <cli.i0> is |
| 2592 | * non-null. |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2593 | */ |
| 2594 | static int cli_io_handler_servers_state(struct appctx *appctx) |
| 2595 | { |
| 2596 | struct stream_interface *si = appctx->owner; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2597 | struct proxy *curproxy; |
| 2598 | |
| 2599 | chunk_reset(&trash); |
| 2600 | |
| 2601 | if (appctx->st2 == STAT_ST_INIT) { |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2602 | if (!appctx->ctx.cli.p0) |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 2603 | appctx->ctx.cli.p0 = proxies_list; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2604 | appctx->st2 = STAT_ST_HEAD; |
| 2605 | } |
| 2606 | |
| 2607 | if (appctx->st2 == STAT_ST_HEAD) { |
Willy Tarreau | 69f591e | 2020-07-01 07:00:59 +0200 | [diff] [blame] | 2608 | if (appctx->ctx.cli.o0 == 0) |
| 2609 | chunk_printf(&trash, "%d\n# %s\n", SRV_STATE_FILE_VERSION, SRV_STATE_FILE_FIELD_NAMES); |
| 2610 | else |
| 2611 | chunk_printf(&trash, |
| 2612 | "# bkname/svname bkid/svid addr port - purge_delay used_cur used_max need_est unsafe_nb safe_nb idle_lim idle_cur idle_per_thr[%d]\n", |
| 2613 | global.nbthread); |
| 2614 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 2615 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 2616 | si_rx_room_blk(si); |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2617 | return 0; |
| 2618 | } |
| 2619 | appctx->st2 = STAT_ST_INFO; |
| 2620 | } |
| 2621 | |
| 2622 | /* STAT_ST_INFO */ |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2623 | for (; appctx->ctx.cli.p0 != NULL; appctx->ctx.cli.p0 = curproxy->next) { |
| 2624 | curproxy = appctx->ctx.cli.p0; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2625 | /* servers are only in backends */ |
| 2626 | if (curproxy->cap & PR_CAP_BE) { |
Willy Tarreau | 6ff8143 | 2020-07-01 07:02:42 +0200 | [diff] [blame] | 2627 | if (!dump_servers_state(si)) |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2628 | return 0; |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2629 | } |
| 2630 | /* only the selected proxy is dumped */ |
Willy Tarreau | 3c92f2a | 2016-12-16 18:23:39 +0100 | [diff] [blame] | 2631 | if (appctx->ctx.cli.i0) |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2632 | break; |
| 2633 | } |
| 2634 | |
| 2635 | return 1; |
| 2636 | } |
| 2637 | |
Willy Tarreau | 608ea59 | 2016-12-16 18:01:15 +0100 | [diff] [blame] | 2638 | /* Parses backend list and simply report backend names. It keeps the proxy |
| 2639 | * pointer in cli.p0. |
| 2640 | */ |
William Lallemand | 933efcd | 2016-11-22 12:34:16 +0100 | [diff] [blame] | 2641 | static int cli_io_handler_show_backend(struct appctx *appctx) |
| 2642 | { |
William Lallemand | 933efcd | 2016-11-22 12:34:16 +0100 | [diff] [blame] | 2643 | struct stream_interface *si = appctx->owner; |
| 2644 | struct proxy *curproxy; |
| 2645 | |
| 2646 | chunk_reset(&trash); |
| 2647 | |
Willy Tarreau | 608ea59 | 2016-12-16 18:01:15 +0100 | [diff] [blame] | 2648 | if (!appctx->ctx.cli.p0) { |
William Lallemand | 933efcd | 2016-11-22 12:34:16 +0100 | [diff] [blame] | 2649 | chunk_printf(&trash, "# name\n"); |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 2650 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 2651 | si_rx_room_blk(si); |
William Lallemand | 933efcd | 2016-11-22 12:34:16 +0100 | [diff] [blame] | 2652 | return 0; |
| 2653 | } |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 2654 | appctx->ctx.cli.p0 = proxies_list; |
William Lallemand | 933efcd | 2016-11-22 12:34:16 +0100 | [diff] [blame] | 2655 | } |
| 2656 | |
Willy Tarreau | 608ea59 | 2016-12-16 18:01:15 +0100 | [diff] [blame] | 2657 | for (; appctx->ctx.cli.p0 != NULL; appctx->ctx.cli.p0 = curproxy->next) { |
| 2658 | curproxy = appctx->ctx.cli.p0; |
William Lallemand | 933efcd | 2016-11-22 12:34:16 +0100 | [diff] [blame] | 2659 | |
| 2660 | /* looking for backends only */ |
| 2661 | if (!(curproxy->cap & PR_CAP_BE)) |
| 2662 | continue; |
| 2663 | |
| 2664 | /* we don't want to list a backend which is bound to this process */ |
Willy Tarreau | 6daac19 | 2019-02-02 17:39:53 +0100 | [diff] [blame] | 2665 | if (!(proc_mask(curproxy->bind_proc) & pid_bit)) |
William Lallemand | 933efcd | 2016-11-22 12:34:16 +0100 | [diff] [blame] | 2666 | continue; |
| 2667 | |
| 2668 | chunk_appendf(&trash, "%s\n", curproxy->id); |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 2669 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 2670 | si_rx_room_blk(si); |
William Lallemand | 933efcd | 2016-11-22 12:34:16 +0100 | [diff] [blame] | 2671 | return 0; |
| 2672 | } |
| 2673 | } |
| 2674 | |
| 2675 | return 1; |
| 2676 | } |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 2677 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2678 | /* Parses the "enable dynamic-cookies backend" directive, it always returns 1. |
| 2679 | * |
| 2680 | * Grabs the proxy lock and each server's lock. |
| 2681 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2682 | static int cli_parse_enable_dyncookie_backend(char **args, char *payload, struct appctx *appctx, void *private) |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2683 | { |
| 2684 | struct proxy *px; |
| 2685 | struct server *s; |
| 2686 | |
| 2687 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 2688 | return 1; |
| 2689 | |
| 2690 | px = cli_find_backend(appctx, args[3]); |
| 2691 | if (!px) |
| 2692 | return 1; |
| 2693 | |
Willy Tarreau | 5e83d99 | 2019-07-30 11:59:34 +0200 | [diff] [blame] | 2694 | /* Note: this lock is to make sure this doesn't change while another |
| 2695 | * thread is in srv_set_dyncookie(). |
| 2696 | */ |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2697 | HA_RWLOCK_WRLOCK(PROXY_LOCK, &px->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2698 | px->ck_opts |= PR_CK_DYNAMIC; |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2699 | HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &px->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2700 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2701 | for (s = px->srv; s != NULL; s = s->next) { |
| 2702 | HA_SPIN_LOCK(SERVER_LOCK, &s->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2703 | srv_set_dyncookie(s); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2704 | HA_SPIN_UNLOCK(SERVER_LOCK, &s->lock); |
| 2705 | } |
| 2706 | |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2707 | return 1; |
| 2708 | } |
| 2709 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2710 | /* Parses the "disable dynamic-cookies backend" directive, it always returns 1. |
| 2711 | * |
| 2712 | * Grabs the proxy lock and each server's lock. |
| 2713 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2714 | static int cli_parse_disable_dyncookie_backend(char **args, char *payload, struct appctx *appctx, void *private) |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2715 | { |
| 2716 | struct proxy *px; |
| 2717 | struct server *s; |
| 2718 | |
| 2719 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 2720 | return 1; |
| 2721 | |
| 2722 | px = cli_find_backend(appctx, args[3]); |
| 2723 | if (!px) |
| 2724 | return 1; |
| 2725 | |
Willy Tarreau | 5e83d99 | 2019-07-30 11:59:34 +0200 | [diff] [blame] | 2726 | /* Note: this lock is to make sure this doesn't change while another |
| 2727 | * thread is in srv_set_dyncookie(). |
| 2728 | */ |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2729 | HA_RWLOCK_WRLOCK(PROXY_LOCK, &px->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2730 | px->ck_opts &= ~PR_CK_DYNAMIC; |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2731 | HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &px->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2732 | |
| 2733 | for (s = px->srv; s != NULL; s = s->next) { |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2734 | HA_SPIN_LOCK(SERVER_LOCK, &s->lock); |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 2735 | if (!(s->flags & SRV_F_COOKIESET)) |
| 2736 | ha_free(&s->cookie); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2737 | HA_SPIN_UNLOCK(SERVER_LOCK, &s->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2738 | } |
| 2739 | |
| 2740 | return 1; |
| 2741 | } |
| 2742 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2743 | /* Parses the "set dynamic-cookie-key backend" directive, it always returns 1. |
| 2744 | * |
| 2745 | * Grabs the proxy lock and each server's lock. |
| 2746 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2747 | static int cli_parse_set_dyncookie_key_backend(char **args, char *payload, struct appctx *appctx, void *private) |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2748 | { |
| 2749 | struct proxy *px; |
| 2750 | struct server *s; |
| 2751 | char *newkey; |
| 2752 | |
| 2753 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 2754 | return 1; |
| 2755 | |
| 2756 | px = cli_find_backend(appctx, args[3]); |
| 2757 | if (!px) |
| 2758 | return 1; |
| 2759 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2760 | if (!*args[4]) |
| 2761 | return cli_err(appctx, "String value expected.\n"); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2762 | |
| 2763 | newkey = strdup(args[4]); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2764 | if (!newkey) |
| 2765 | return cli_err(appctx, "Failed to allocate memory.\n"); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2766 | |
Willy Tarreau | 5e83d99 | 2019-07-30 11:59:34 +0200 | [diff] [blame] | 2767 | /* Note: this lock is to make sure this doesn't change while another |
| 2768 | * thread is in srv_set_dyncookie(). |
| 2769 | */ |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2770 | HA_RWLOCK_WRLOCK(PROXY_LOCK, &px->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2771 | free(px->dyncookie_key); |
| 2772 | px->dyncookie_key = newkey; |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2773 | HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &px->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2774 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2775 | for (s = px->srv; s != NULL; s = s->next) { |
| 2776 | HA_SPIN_LOCK(SERVER_LOCK, &s->lock); |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2777 | srv_set_dyncookie(s); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2778 | HA_SPIN_UNLOCK(SERVER_LOCK, &s->lock); |
| 2779 | } |
| 2780 | |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 2781 | return 1; |
| 2782 | } |
| 2783 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2784 | /* Parses the "set maxconn frontend" directive, it always returns 1. |
| 2785 | * |
| 2786 | * Grabs the proxy lock. |
| 2787 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2788 | static int cli_parse_set_maxconn_frontend(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | c429a1f | 2016-11-23 16:22:04 +0100 | [diff] [blame] | 2789 | { |
| 2790 | struct proxy *px; |
| 2791 | struct listener *l; |
| 2792 | int v; |
| 2793 | |
| 2794 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 2795 | return 1; |
| 2796 | |
| 2797 | px = cli_find_frontend(appctx, args[3]); |
| 2798 | if (!px) |
| 2799 | return 1; |
| 2800 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2801 | if (!*args[4]) |
| 2802 | return cli_err(appctx, "Integer value expected.\n"); |
Willy Tarreau | c429a1f | 2016-11-23 16:22:04 +0100 | [diff] [blame] | 2803 | |
| 2804 | v = atoi(args[4]); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2805 | if (v < 0) |
| 2806 | return cli_err(appctx, "Value out of range.\n"); |
Willy Tarreau | c429a1f | 2016-11-23 16:22:04 +0100 | [diff] [blame] | 2807 | |
| 2808 | /* OK, the value is fine, so we assign it to the proxy and to all of |
| 2809 | * its listeners. The blocked ones will be dequeued. |
| 2810 | */ |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2811 | HA_RWLOCK_WRLOCK(PROXY_LOCK, &px->lock); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2812 | |
Willy Tarreau | c429a1f | 2016-11-23 16:22:04 +0100 | [diff] [blame] | 2813 | px->maxconn = v; |
| 2814 | list_for_each_entry(l, &px->conf.listeners, by_fe) { |
Willy Tarreau | c429a1f | 2016-11-23 16:22:04 +0100 | [diff] [blame] | 2815 | if (l->state == LI_FULL) |
| 2816 | resume_listener(l); |
| 2817 | } |
| 2818 | |
Willy Tarreau | 241797a | 2019-12-10 14:10:52 +0100 | [diff] [blame] | 2819 | if (px->maxconn > px->feconn) |
| 2820 | dequeue_proxy_listeners(px); |
Willy Tarreau | c429a1f | 2016-11-23 16:22:04 +0100 | [diff] [blame] | 2821 | |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2822 | HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &px->lock); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2823 | |
Willy Tarreau | c429a1f | 2016-11-23 16:22:04 +0100 | [diff] [blame] | 2824 | return 1; |
| 2825 | } |
| 2826 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2827 | /* Parses the "shutdown frontend" directive, it always returns 1. |
| 2828 | * |
| 2829 | * Grabs the proxy lock. |
| 2830 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2831 | static int cli_parse_shutdown_frontend(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 5212d7f | 2016-11-24 11:13:06 +0100 | [diff] [blame] | 2832 | { |
| 2833 | struct proxy *px; |
| 2834 | |
| 2835 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 2836 | return 1; |
| 2837 | |
| 2838 | px = cli_find_frontend(appctx, args[2]); |
| 2839 | if (!px) |
| 2840 | return 1; |
| 2841 | |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 2842 | if (px->disabled) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2843 | return cli_msg(appctx, LOG_NOTICE, "Frontend was already shut down.\n"); |
Willy Tarreau | 5212d7f | 2016-11-24 11:13:06 +0100 | [diff] [blame] | 2844 | |
Willy Tarreau | 5212d7f | 2016-11-24 11:13:06 +0100 | [diff] [blame] | 2845 | stop_proxy(px); |
| 2846 | return 1; |
| 2847 | } |
| 2848 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2849 | /* Parses the "disable frontend" directive, it always returns 1. |
| 2850 | * |
| 2851 | * Grabs the proxy lock. |
| 2852 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2853 | static int cli_parse_disable_frontend(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2854 | { |
| 2855 | struct proxy *px; |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2856 | int ret; |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2857 | |
| 2858 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 2859 | return 1; |
| 2860 | |
| 2861 | px = cli_find_frontend(appctx, args[2]); |
| 2862 | if (!px) |
| 2863 | return 1; |
| 2864 | |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 2865 | if (px->disabled) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2866 | return cli_msg(appctx, LOG_NOTICE, "Frontend was previously shut down, cannot disable.\n"); |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2867 | |
Willy Tarreau | f18d968 | 2020-09-24 08:04:27 +0200 | [diff] [blame] | 2868 | if (!px->li_ready) |
| 2869 | return cli_msg(appctx, LOG_NOTICE, "All sockets are already disabled.\n"); |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2870 | |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2871 | HA_RWLOCK_WRLOCK(PROXY_LOCK, &px->lock); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2872 | ret = pause_proxy(px); |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2873 | HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &px->lock); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2874 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2875 | if (!ret) |
| 2876 | return cli_err(appctx, "Failed to pause frontend, check logs for precise cause.\n"); |
| 2877 | |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2878 | return 1; |
| 2879 | } |
| 2880 | |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2881 | /* Parses the "enable frontend" directive, it always returns 1. |
| 2882 | * |
| 2883 | * Grabs the proxy lock. |
| 2884 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2885 | static int cli_parse_enable_frontend(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2886 | { |
| 2887 | struct proxy *px; |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2888 | int ret; |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2889 | |
| 2890 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 2891 | return 1; |
| 2892 | |
| 2893 | px = cli_find_frontend(appctx, args[2]); |
| 2894 | if (!px) |
| 2895 | return 1; |
| 2896 | |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 2897 | if (px->disabled) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2898 | return cli_err(appctx, "Frontend was previously shut down, cannot enable.\n"); |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2899 | |
Willy Tarreau | f18d968 | 2020-09-24 08:04:27 +0200 | [diff] [blame] | 2900 | if (px->li_ready == px->li_all) |
| 2901 | return cli_msg(appctx, LOG_NOTICE, "All sockets are already enabled.\n"); |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2902 | |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2903 | HA_RWLOCK_WRLOCK(PROXY_LOCK, &px->lock); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2904 | ret = resume_proxy(px); |
Willy Tarreau | ac66d6b | 2020-10-20 17:24:27 +0200 | [diff] [blame] | 2905 | HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &px->lock); |
Willy Tarreau | a275a37 | 2018-08-21 14:50:44 +0200 | [diff] [blame] | 2906 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2907 | if (!ret) |
| 2908 | return cli_err(appctx, "Failed to resume frontend, check logs for precise cause (port conflict?).\n"); |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 2909 | return 1; |
| 2910 | } |
| 2911 | |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 2912 | /* "show errors" handler for the CLI. Returns 0 if wants to continue, 1 to stop |
| 2913 | * now. |
| 2914 | */ |
| 2915 | static int cli_parse_show_errors(char **args, char *payload, struct appctx *appctx, void *private) |
| 2916 | { |
| 2917 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 2918 | return 1; |
| 2919 | |
| 2920 | if (*args[2]) { |
| 2921 | struct proxy *px; |
| 2922 | |
| 2923 | px = proxy_find_by_name(args[2], 0, 0); |
| 2924 | if (px) |
| 2925 | appctx->ctx.errors.iid = px->uuid; |
| 2926 | else |
| 2927 | appctx->ctx.errors.iid = atoi(args[2]); |
| 2928 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 2929 | if (!appctx->ctx.errors.iid) |
| 2930 | return cli_err(appctx, "No such proxy.\n"); |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 2931 | } |
| 2932 | else |
| 2933 | appctx->ctx.errors.iid = -1; // dump all proxies |
| 2934 | |
| 2935 | appctx->ctx.errors.flag = 0; |
| 2936 | if (strcmp(args[3], "request") == 0) |
| 2937 | appctx->ctx.errors.flag |= 4; // ignore response |
| 2938 | else if (strcmp(args[3], "response") == 0) |
| 2939 | appctx->ctx.errors.flag |= 2; // ignore request |
| 2940 | appctx->ctx.errors.px = NULL; |
| 2941 | return 0; |
| 2942 | } |
| 2943 | |
| 2944 | /* This function dumps all captured errors onto the stream interface's |
| 2945 | * read buffer. It returns 0 if the output buffer is full and it needs |
| 2946 | * to be called again, otherwise non-zero. |
| 2947 | */ |
| 2948 | static int cli_io_handler_show_errors(struct appctx *appctx) |
| 2949 | { |
| 2950 | struct stream_interface *si = appctx->owner; |
| 2951 | extern const char *monthname[12]; |
| 2952 | |
| 2953 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 2954 | return 1; |
| 2955 | |
| 2956 | chunk_reset(&trash); |
| 2957 | |
| 2958 | if (!appctx->ctx.errors.px) { |
| 2959 | /* the function had not been called yet, let's prepare the |
| 2960 | * buffer for a response. |
| 2961 | */ |
| 2962 | struct tm tm; |
| 2963 | |
| 2964 | get_localtime(date.tv_sec, &tm); |
| 2965 | chunk_appendf(&trash, "Total events captured on [%02d/%s/%04d:%02d:%02d:%02d.%03d] : %u\n", |
| 2966 | tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900, |
| 2967 | tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(date.tv_usec/1000), |
| 2968 | error_snapshot_id); |
| 2969 | |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 2970 | if (ci_putchk(si_ic(si), &trash) == -1) |
| 2971 | goto cant_send; |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 2972 | |
| 2973 | appctx->ctx.errors.px = proxies_list; |
| 2974 | appctx->ctx.errors.bol = 0; |
| 2975 | appctx->ctx.errors.ptr = -1; |
| 2976 | } |
| 2977 | |
| 2978 | /* we have two inner loops here, one for the proxy, the other one for |
| 2979 | * the buffer. |
| 2980 | */ |
| 2981 | while (appctx->ctx.errors.px) { |
| 2982 | struct error_snapshot *es; |
| 2983 | |
Willy Tarreau | 5503908 | 2020-10-20 17:38:10 +0200 | [diff] [blame] | 2984 | HA_RWLOCK_RDLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock); |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 2985 | |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 2986 | if ((appctx->ctx.errors.flag & 1) == 0) { |
Willy Tarreau | c55015e | 2018-09-07 19:02:32 +0200 | [diff] [blame] | 2987 | es = appctx->ctx.errors.px->invalid_req; |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 2988 | if (appctx->ctx.errors.flag & 2) // skip req |
| 2989 | goto next; |
| 2990 | } |
| 2991 | else { |
Willy Tarreau | c55015e | 2018-09-07 19:02:32 +0200 | [diff] [blame] | 2992 | es = appctx->ctx.errors.px->invalid_rep; |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 2993 | if (appctx->ctx.errors.flag & 4) // skip resp |
| 2994 | goto next; |
| 2995 | } |
| 2996 | |
Willy Tarreau | c55015e | 2018-09-07 19:02:32 +0200 | [diff] [blame] | 2997 | if (!es) |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 2998 | goto next; |
| 2999 | |
| 3000 | if (appctx->ctx.errors.iid >= 0 && |
| 3001 | appctx->ctx.errors.px->uuid != appctx->ctx.errors.iid && |
Olivier Houchard | bdb00c5 | 2020-03-12 15:30:17 +0100 | [diff] [blame] | 3002 | (!es->oe || es->oe->uuid != appctx->ctx.errors.iid)) |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3003 | goto next; |
| 3004 | |
| 3005 | if (appctx->ctx.errors.ptr < 0) { |
| 3006 | /* just print headers now */ |
| 3007 | |
| 3008 | char pn[INET6_ADDRSTRLEN]; |
| 3009 | struct tm tm; |
| 3010 | int port; |
| 3011 | |
| 3012 | get_localtime(es->when.tv_sec, &tm); |
| 3013 | chunk_appendf(&trash, " \n[%02d/%s/%04d:%02d:%02d:%02d.%03d]", |
| 3014 | tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900, |
| 3015 | tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(es->when.tv_usec/1000)); |
| 3016 | |
| 3017 | switch (addr_to_str(&es->src, pn, sizeof(pn))) { |
| 3018 | case AF_INET: |
| 3019 | case AF_INET6: |
| 3020 | port = get_host_port(&es->src); |
| 3021 | break; |
| 3022 | default: |
| 3023 | port = 0; |
| 3024 | } |
| 3025 | |
| 3026 | switch (appctx->ctx.errors.flag & 1) { |
| 3027 | case 0: |
| 3028 | chunk_appendf(&trash, |
| 3029 | " frontend %s (#%d): invalid request\n" |
| 3030 | " backend %s (#%d)", |
| 3031 | appctx->ctx.errors.px->id, appctx->ctx.errors.px->uuid, |
Olivier Houchard | bdb00c5 | 2020-03-12 15:30:17 +0100 | [diff] [blame] | 3032 | (es->oe && es->oe->cap & PR_CAP_BE) ? es->oe->id : "<NONE>", |
| 3033 | (es->oe && es->oe->cap & PR_CAP_BE) ? es->oe->uuid : -1); |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3034 | break; |
| 3035 | case 1: |
| 3036 | chunk_appendf(&trash, |
| 3037 | " backend %s (#%d): invalid response\n" |
| 3038 | " frontend %s (#%d)", |
| 3039 | appctx->ctx.errors.px->id, appctx->ctx.errors.px->uuid, |
Olivier Houchard | bdb00c5 | 2020-03-12 15:30:17 +0100 | [diff] [blame] | 3040 | es->oe ? es->oe->id : "<NONE>" , es->oe ? es->oe->uuid : -1); |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3041 | break; |
| 3042 | } |
| 3043 | |
| 3044 | chunk_appendf(&trash, |
| 3045 | ", server %s (#%d), event #%u, src %s:%d\n" |
| 3046 | " buffer starts at %llu (including %u out), %u free,\n" |
| 3047 | " len %u, wraps at %u, error at position %u\n", |
| 3048 | es->srv ? es->srv->id : "<NONE>", |
| 3049 | es->srv ? es->srv->puid : -1, |
| 3050 | es->ev_id, pn, port, |
| 3051 | es->buf_ofs, es->buf_out, |
| 3052 | global.tune.bufsize - es->buf_out - es->buf_len, |
| 3053 | es->buf_len, es->buf_wrap, es->buf_err); |
| 3054 | |
| 3055 | if (es->show) |
| 3056 | es->show(&trash, es); |
| 3057 | |
| 3058 | chunk_appendf(&trash, " \n"); |
| 3059 | |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 3060 | if (ci_putchk(si_ic(si), &trash) == -1) |
| 3061 | goto cant_send_unlock; |
| 3062 | |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3063 | appctx->ctx.errors.ptr = 0; |
| 3064 | appctx->ctx.errors.ev_id = es->ev_id; |
| 3065 | } |
| 3066 | |
| 3067 | if (appctx->ctx.errors.ev_id != es->ev_id) { |
| 3068 | /* the snapshot changed while we were dumping it */ |
| 3069 | chunk_appendf(&trash, |
| 3070 | " WARNING! update detected on this snapshot, dump interrupted. Please re-check!\n"); |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 3071 | if (ci_putchk(si_ic(si), &trash) == -1) |
| 3072 | goto cant_send_unlock; |
| 3073 | |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3074 | goto next; |
| 3075 | } |
| 3076 | |
| 3077 | /* OK, ptr >= 0, so we have to dump the current line */ |
Willy Tarreau | 4bc7d90 | 2018-09-07 20:07:17 +0200 | [diff] [blame] | 3078 | while (appctx->ctx.errors.ptr < es->buf_len && appctx->ctx.errors.ptr < global.tune.bufsize) { |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3079 | int newptr; |
| 3080 | int newline; |
| 3081 | |
| 3082 | newline = appctx->ctx.errors.bol; |
| 3083 | newptr = dump_text_line(&trash, es->buf, global.tune.bufsize, es->buf_len, &newline, appctx->ctx.errors.ptr); |
| 3084 | if (newptr == appctx->ctx.errors.ptr) |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 3085 | goto cant_send_unlock; |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3086 | |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 3087 | if (ci_putchk(si_ic(si), &trash) == -1) |
| 3088 | goto cant_send_unlock; |
| 3089 | |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3090 | appctx->ctx.errors.ptr = newptr; |
| 3091 | appctx->ctx.errors.bol = newline; |
| 3092 | }; |
| 3093 | next: |
Willy Tarreau | 5503908 | 2020-10-20 17:38:10 +0200 | [diff] [blame] | 3094 | HA_RWLOCK_RDUNLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock); |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3095 | appctx->ctx.errors.bol = 0; |
| 3096 | appctx->ctx.errors.ptr = -1; |
| 3097 | appctx->ctx.errors.flag ^= 1; |
| 3098 | if (!(appctx->ctx.errors.flag & 1)) |
| 3099 | appctx->ctx.errors.px = appctx->ctx.errors.px->next; |
| 3100 | } |
| 3101 | |
| 3102 | /* dump complete */ |
| 3103 | return 1; |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 3104 | |
| 3105 | cant_send_unlock: |
Willy Tarreau | 5503908 | 2020-10-20 17:38:10 +0200 | [diff] [blame] | 3106 | HA_RWLOCK_RDUNLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock); |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 3107 | cant_send: |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 3108 | si_rx_room_blk(si); |
Willy Tarreau | 36b2736 | 2018-09-07 19:55:44 +0200 | [diff] [blame] | 3109 | return 0; |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3110 | } |
| 3111 | |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 3112 | /* register cli keywords */ |
| 3113 | static struct cli_kw_list cli_kws = {{ },{ |
Willy Tarreau | 15b9e68 | 2016-11-24 11:55:28 +0100 | [diff] [blame] | 3114 | { { "disable", "frontend", NULL }, "disable frontend : temporarily disable specific frontend", cli_parse_disable_frontend, NULL, NULL }, |
| 3115 | { { "enable", "frontend", NULL }, "enable frontend : re-enable specific frontend", cli_parse_enable_frontend, NULL, NULL }, |
Willy Tarreau | c429a1f | 2016-11-23 16:22:04 +0100 | [diff] [blame] | 3116 | { { "set", "maxconn", "frontend", NULL }, "set maxconn frontend : change a frontend's maxconn setting", cli_parse_set_maxconn_frontend, NULL }, |
Willy Tarreau | 69f591e | 2020-07-01 07:00:59 +0200 | [diff] [blame] | 3117 | { { "show","servers", "conn", NULL }, "show servers conn [id]: dump server connections status (for backend <id>)", cli_parse_show_servers, cli_io_handler_servers_state }, |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 3118 | { { "show","servers", "state", NULL }, "show servers state [id]: dump volatile server information (for backend <id>)", cli_parse_show_servers, cli_io_handler_servers_state }, |
Willy Tarreau | 608ea59 | 2016-12-16 18:01:15 +0100 | [diff] [blame] | 3119 | { { "show", "backend", NULL }, "show backend : list backends in the current running config", NULL, cli_io_handler_show_backend }, |
Willy Tarreau | 5212d7f | 2016-11-24 11:13:06 +0100 | [diff] [blame] | 3120 | { { "shutdown", "frontend", NULL }, "shutdown frontend : stop a specific frontend", cli_parse_shutdown_frontend, NULL, NULL }, |
Olivier Houchard | 614f8d7 | 2017-03-14 20:08:46 +0100 | [diff] [blame] | 3121 | { { "set", "dynamic-cookie-key", "backend", NULL }, "set dynamic-cookie-key backend : change a backend secret key for dynamic cookies", cli_parse_set_dyncookie_key_backend, NULL }, |
| 3122 | { { "enable", "dynamic-cookie", "backend", NULL }, "enable dynamic-cookie backend : enable dynamic cookies on a specific backend", cli_parse_enable_dyncookie_backend, NULL }, |
| 3123 | { { "disable", "dynamic-cookie", "backend", NULL }, "disable dynamic-cookie backend : disable dynamic cookies on a specific backend", cli_parse_disable_dyncookie_backend, NULL }, |
Willy Tarreau | ddb68ac | 2018-09-07 18:34:24 +0200 | [diff] [blame] | 3124 | { { "show", "errors", NULL }, "show errors : report last request and response errors for each proxy", cli_parse_show_errors, cli_io_handler_show_errors, NULL }, |
William Lallemand | a6c5f33 | 2016-11-19 02:25:36 +0100 | [diff] [blame] | 3125 | {{},} |
| 3126 | }}; |
| 3127 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3128 | INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3129 | |
| 3130 | /* |
| 3131 | * Local variables: |
| 3132 | * c-indent-level: 8 |
| 3133 | * c-basic-offset: 8 |
| 3134 | * End: |
| 3135 | */ |