blob: 96c3a0ad572f1720fba5f0f47b953f47d823c242 [file] [log] [blame]
Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * Client-side variables and functions.
3 *
Willy Tarreaub7f694f2008-06-22 17:18:02 +02004 * Copyright 2000-2008 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
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 <errno.h>
14#include <fcntl.h>
15#include <stdio.h>
16#include <stdlib.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020017#include <string.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020018
19#include <sys/socket.h>
20#include <sys/stat.h>
21#include <sys/types.h>
22
Willy Tarreau2dd0d472006-06-29 17:53:05 +020023#include <common/compat.h>
Willy Tarreaue3ba5f02006-06-29 18:54:54 +020024#include <common/config.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020025#include <common/time.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020026
Willy Tarreau8797c062007-05-07 00:55:35 +020027#include <types/acl.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020028#include <types/backend.h>
29#include <types/buffers.h>
30#include <types/global.h>
31#include <types/httperr.h>
32#include <types/polling.h>
33#include <types/proxy.h>
34#include <types/server.h>
35#include <types/session.h>
36
Willy Tarreau8797c062007-05-07 00:55:35 +020037#include <proto/acl.h>
Willy Tarreau54469402006-07-29 16:59:06 +020038#include <proto/buffers.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020039#include <proto/client.h>
40#include <proto/fd.h>
41#include <proto/log.h>
Willy Tarreaue5f20dc2006-12-03 15:21:35 +010042#include <proto/hdr_idx.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020043#include <proto/proto_http.h>
Willy Tarreauc6ca1a02007-05-13 19:43:47 +020044#include <proto/session.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020045#include <proto/stream_sock.h>
46#include <proto/task.h>
47
48
Willy Tarreau14c8aac2007-05-08 19:46:30 +020049/* Retrieves the original destination address used by the client, and sets the
50 * SN_FRT_ADDR_SET flag.
51 */
52void get_frt_addr(struct session *s)
53{
54 socklen_t namelen = sizeof(s->frt_addr);
55
56 if (get_original_dst(s->cli_fd, (struct sockaddr_in *)&s->frt_addr, &namelen) == -1)
57 getsockname(s->cli_fd, (struct sockaddr *)&s->frt_addr, &namelen);
58 s->flags |= SN_FRT_ADDR_SET;
59}
Willy Tarreaubaaee002006-06-26 02:48:02 +020060
61/*
62 * FIXME: This should move to the STREAM_SOCK code then split into TCP and HTTP.
63 */
64
65/*
66 * this function is called on a read event from a listen socket, corresponding
67 * to an accept. It tries to accept as many connections as possible.
68 * It returns 0.
69 */
70int event_accept(int fd) {
Willy Tarreaue6b98942007-10-29 01:09:36 +010071 struct listener *l = (struct listener *)fdtab[fd].owner;
72 struct proxy *p = (struct proxy *)l->private; /* attached frontend */
Willy Tarreaubaaee002006-06-26 02:48:02 +020073 struct session *s;
Willy Tarreauc2168d32007-03-03 20:51:44 +010074 struct http_txn *txn;
Willy Tarreaubaaee002006-06-26 02:48:02 +020075 struct task *t;
76 int cfd;
Willy Tarreaua0250ba2008-01-06 11:22:57 +010077 int max_accept = global.tune.maxaccept;
Willy Tarreaubaaee002006-06-26 02:48:02 +020078
Willy Tarreauf1221aa2006-12-17 22:14:12 +010079 while (p->feconn < p->maxconn && max_accept--) {
Willy Tarreaubaaee002006-06-26 02:48:02 +020080 struct sockaddr_storage addr;
81 socklen_t laddr = sizeof(addr);
82
83 if ((cfd = accept(fd, (struct sockaddr *)&addr, &laddr)) == -1) {
84 switch (errno) {
85 case EAGAIN:
86 case EINTR:
87 case ECONNABORTED:
88 return 0; /* nothing more to accept */
89 case ENFILE:
90 send_log(p, LOG_EMERG,
91 "Proxy %s reached system FD limit at %d. Please check system tunables.\n",
92 p->id, maxfd);
93 return 0;
94 case EMFILE:
95 send_log(p, LOG_EMERG,
96 "Proxy %s reached process FD limit at %d. Please check 'ulimit-n' and restart.\n",
97 p->id, maxfd);
98 return 0;
99 case ENOBUFS:
100 case ENOMEM:
101 send_log(p, LOG_EMERG,
102 "Proxy %s reached system memory limit at %d sockets. Please check system tunables.\n",
103 p->id, maxfd);
104 return 0;
105 default:
106 return 0;
107 }
108 }
109
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200110 if ((s = pool_alloc2(pool2_session)) == NULL) { /* disable this proxy for a while */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200111 Alert("out of memory in event_accept().\n");
Willy Tarreauf161a342007-04-08 16:59:42 +0200112 EV_FD_CLR(fd, DIR_RD);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200113 p->state = PR_STIDLE;
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100114 goto out_close;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200115 }
116
117 /* if this session comes from a known monitoring system, we want to ignore
118 * it as soon as possible, which means closing it immediately for TCP.
119 */
120 s->flags = 0;
121 if (addr.ss_family == AF_INET &&
122 p->mon_mask.s_addr &&
123 (((struct sockaddr_in *)&addr)->sin_addr.s_addr & p->mon_mask.s_addr) == p->mon_net.s_addr) {
124 if (p->mode == PR_MODE_TCP) {
125 close(cfd);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200126 pool_free2(pool2_session, s);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200127 continue;
128 }
129 s->flags |= SN_MONITOR;
130 }
131
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200132 if ((t = pool_alloc2(pool2_task)) == NULL) { /* disable this proxy for a while */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200133 Alert("out of memory in event_accept().\n");
Willy Tarreauf161a342007-04-08 16:59:42 +0200134 EV_FD_CLR(fd, DIR_RD);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200135 p->state = PR_STIDLE;
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100136 goto out_free_session;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200137 }
138
139 s->cli_addr = addr;
140 if (cfd >= global.maxsock) {
141 Alert("accept(): not enough free sockets. Raise -n argument. Giving up.\n");
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100142 goto out_free_task;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200143 }
144
145 if ((fcntl(cfd, F_SETFL, O_NONBLOCK) == -1) ||
146 (setsockopt(cfd, IPPROTO_TCP, TCP_NODELAY,
147 (char *) &one, sizeof(one)) == -1)) {
148 Alert("accept(): cannot set the socket in non blocking mode. Giving up\n");
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100149 goto out_free_task;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200150 }
151
152 if (p->options & PR_O_TCP_CLI_KA)
153 setsockopt(cfd, SOL_SOCKET, SO_KEEPALIVE, (char *) &one, sizeof(one));
154
Alexandre Cassen87ea5482007-10-11 20:48:58 +0200155 if (p->options & PR_O_TCP_NOLING)
156 setsockopt(cfd, SOL_SOCKET, SO_LINGER, (struct linger *) &nolinger, sizeof(struct linger));
157
Willy Tarreau9789f7b2008-06-24 08:17:16 +0200158 task_init(t);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200159 t->process = process_session;
160 t->context = s;
161
162 s->task = t;
Willy Tarreau830ff452006-12-17 19:31:23 +0100163 s->be = s->fe = p;
Willy Tarreau73de9892006-11-30 11:40:23 +0100164
Willy Tarreaua7e76142007-11-03 14:28:39 +0100165 /* in HTTP mode, content switching requires that the backend
166 * first points to the same proxy as the frontend. However, in
167 * TCP mode there will be no header processing so any default
168 * backend must be assigned if set.
169 */
170 if (p->mode == PR_MODE_HTTP) {
171 s->cli_state = CL_STHEADERS;
172 } else {
173 /* We must assign any default backend now since
174 * there will be no header processing.
175 */
176 if (p->mode == PR_MODE_TCP) {
177 if (p->defbe.be)
178 s->be = p->defbe.be;
179 s->flags |= SN_BE_ASSIGNED;
180 }
181 s->cli_state = CL_STDATA; /* no HTTP headers for non-HTTP proxies */
182 }
183
Willy Tarreaubaaee002006-06-26 02:48:02 +0200184 s->srv_state = SV_STIDLE;
185 s->req = s->rep = NULL; /* will be allocated later */
186
Willy Tarreaubaaee002006-06-26 02:48:02 +0200187 s->cli_fd = cfd;
188 s->srv_fd = -1;
Willy Tarreau7c669d72008-06-20 15:04:11 +0200189 s->srv = s->prev_srv = s->srv_conn = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200190 s->pend_pos = NULL;
Willy Tarreaua7e76142007-11-03 14:28:39 +0100191 s->conn_retries = s->be->conn_retries;
Willy Tarreauddb358d2006-12-17 22:55:52 +0100192
193 /* FIXME: the logs are horribly complicated now, because they are
Willy Tarreaue2e27a52007-04-01 00:01:37 +0200194 * defined in <p>, <p>, and later <be> and <be>.
Willy Tarreauddb358d2006-12-17 22:55:52 +0100195 */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200196
197 if (s->flags & SN_MONITOR)
198 s->logs.logwait = 0;
199 else
200 s->logs.logwait = p->to_log;
201
Willy Tarreaub7f694f2008-06-22 17:18:02 +0200202 s->logs.accept_date = date; /* user-visible date for logging */
203 s->logs.tv_accept = now; /* corrected date for internal use */
Willy Tarreau70089872008-06-13 21:12:51 +0200204 tv_zero(&s->logs.tv_request);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200205 s->logs.t_queue = -1;
206 s->logs.t_connect = -1;
207 s->logs.t_data = -1;
208 s->logs.t_close = 0;
Willy Tarreau35d66b02007-01-02 00:28:21 +0100209 s->logs.bytes_in = s->logs.bytes_out = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200210 s->logs.prx_queue_size = 0; /* we get the number of pending conns before us */
211 s->logs.srv_queue_size = 0; /* we will get this number soon */
212
213 s->data_source = DATA_SRC_NONE;
214
215 s->uniq_id = totalconn;
Willy Tarreauf1221aa2006-12-17 22:14:12 +0100216 p->cum_feconn++; /* cum_beconn will be increased once assigned */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200217
Willy Tarreauc2168d32007-03-03 20:51:44 +0100218 txn = &s->txn;
Willy Tarreau3d300592007-03-18 18:34:41 +0100219 txn->flags = 0;
Willy Tarreau042cc792007-03-19 16:20:06 +0100220 /* Those variables will be checked and freed if non-NULL in
221 * session.c:session_free(). It is important that they are
222 * properly initialized.
223 */
224 txn->srv_cookie = NULL;
225 txn->cli_cookie = NULL;
226 txn->uri = NULL;
Willy Tarreauc2168d32007-03-03 20:51:44 +0100227 txn->req.cap = NULL;
228 txn->rsp.cap = NULL;
229 txn->hdr_idx.v = NULL;
230 txn->hdr_idx.size = txn->hdr_idx.used = 0;
Willy Tarreau45e73e32006-12-17 00:05:15 +0100231
232 if (p->mode == PR_MODE_HTTP) {
Willy Tarreau3bac9ff2007-03-18 17:31:28 +0100233 txn->status = -1;
matt.farnsworth@nokia.com1c2ab962008-04-14 20:47:37 +0200234 txn->req.hdr_content_len = 0LL;
235 txn->rsp.hdr_content_len = 0LL;
Willy Tarreauc2168d32007-03-03 20:51:44 +0100236 txn->req.msg_state = HTTP_MSG_RQBEFORE; /* at the very beginning of the request */
Willy Tarreauc11416f2007-06-17 16:58:38 +0200237 txn->rsp.msg_state = HTTP_MSG_RPBEFORE; /* at the very beginning of the response */
Willy Tarreauc2168d32007-03-03 20:51:44 +0100238 txn->req.sol = txn->req.eol = NULL;
239 txn->req.som = txn->req.eoh = 0; /* relative to the buffer */
240 txn->auth_hdr.len = -1;
Willy Tarreau45e73e32006-12-17 00:05:15 +0100241
Willy Tarreaue2e27a52007-04-01 00:01:37 +0200242 if (p->nb_req_cap > 0) {
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100243 if ((txn->req.cap = pool_alloc2(p->req_cap_pool)) == NULL)
244 goto out_fail_reqcap; /* no memory */
245
Willy Tarreaue2e27a52007-04-01 00:01:37 +0200246 memset(txn->req.cap, 0, p->nb_req_cap*sizeof(char *));
Willy Tarreaubaaee002006-06-26 02:48:02 +0200247 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200248
Willy Tarreau45e73e32006-12-17 00:05:15 +0100249
Willy Tarreaue2e27a52007-04-01 00:01:37 +0200250 if (p->nb_rsp_cap > 0) {
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100251 if ((txn->rsp.cap = pool_alloc2(p->rsp_cap_pool)) == NULL)
252 goto out_fail_rspcap; /* no memory */
253
Willy Tarreaue2e27a52007-04-01 00:01:37 +0200254 memset(txn->rsp.cap, 0, p->nb_rsp_cap*sizeof(char *));
Willy Tarreaubaaee002006-06-26 02:48:02 +0200255 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200256
Willy Tarreau45e73e32006-12-17 00:05:15 +0100257
Willy Tarreau1d4154a2007-05-13 22:57:02 +0200258 txn->hdr_idx.size = MAX_HTTP_HDR;
259
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100260 if ((txn->hdr_idx.v = pool_alloc2(p->hdr_idx_pool)) == NULL)
261 goto out_fail_idx; /* no memory */
262
Willy Tarreauc2168d32007-03-03 20:51:44 +0100263 hdr_idx_init(&txn->hdr_idx);
Willy Tarreaue5f20dc2006-12-03 15:21:35 +0100264 }
265
Willy Tarreaubaaee002006-06-26 02:48:02 +0200266 if ((p->mode == PR_MODE_TCP || p->mode == PR_MODE_HTTP)
267 && (p->logfac1 >= 0 || p->logfac2 >= 0)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200268 if (p->to_log) {
269 /* we have the client ip */
270 if (s->logs.logwait & LW_CLIP)
271 if (!(s->logs.logwait &= ~LW_CLIP))
Willy Tarreau42250582007-04-01 01:30:43 +0200272 tcp_sess_log(s);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200273 }
274 else if (s->cli_addr.ss_family == AF_INET) {
275 char pn[INET_ADDRSTRLEN], sn[INET_ADDRSTRLEN];
Willy Tarreau14c8aac2007-05-08 19:46:30 +0200276
277 if (!(s->flags & SN_FRT_ADDR_SET))
278 get_frt_addr(s);
279
280 if (inet_ntop(AF_INET, (const void *)&((struct sockaddr_in *)&s->frt_addr)->sin_addr,
Willy Tarreaubaaee002006-06-26 02:48:02 +0200281 sn, sizeof(sn)) &&
282 inet_ntop(AF_INET, (const void *)&((struct sockaddr_in *)&s->cli_addr)->sin_addr,
283 pn, sizeof(pn))) {
284 send_log(p, LOG_INFO, "Connect from %s:%d to %s:%d (%s/%s)\n",
285 pn, ntohs(((struct sockaddr_in *)&s->cli_addr)->sin_port),
Willy Tarreau14c8aac2007-05-08 19:46:30 +0200286 sn, ntohs(((struct sockaddr_in *)&s->frt_addr)->sin_port),
Willy Tarreaubaaee002006-06-26 02:48:02 +0200287 p->id, (p->mode == PR_MODE_HTTP) ? "HTTP" : "TCP");
288 }
289 }
290 else {
291 char pn[INET6_ADDRSTRLEN], sn[INET6_ADDRSTRLEN];
Willy Tarreau14c8aac2007-05-08 19:46:30 +0200292
293 if (!(s->flags & SN_FRT_ADDR_SET))
294 get_frt_addr(s);
295
296 if (inet_ntop(AF_INET6, (const void *)&((struct sockaddr_in6 *)&s->frt_addr)->sin6_addr,
Willy Tarreaubaaee002006-06-26 02:48:02 +0200297 sn, sizeof(sn)) &&
298 inet_ntop(AF_INET6, (const void *)&((struct sockaddr_in6 *)&s->cli_addr)->sin6_addr,
299 pn, sizeof(pn))) {
300 send_log(p, LOG_INFO, "Connect from %s:%d to %s:%d (%s/%s)\n",
301 pn, ntohs(((struct sockaddr_in6 *)&s->cli_addr)->sin6_port),
Willy Tarreau14c8aac2007-05-08 19:46:30 +0200302 sn, ntohs(((struct sockaddr_in6 *)&s->frt_addr)->sin6_port),
Willy Tarreaubaaee002006-06-26 02:48:02 +0200303 p->id, (p->mode == PR_MODE_HTTP) ? "HTTP" : "TCP");
304 }
305 }
306 }
307
308 if ((global.mode & MODE_DEBUG) && (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE))) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200309 int len;
Willy Tarreau14c8aac2007-05-08 19:46:30 +0200310
311 if (!(s->flags & SN_FRT_ADDR_SET))
312 get_frt_addr(s);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200313
314 if (s->cli_addr.ss_family == AF_INET) {
315 char pn[INET_ADDRSTRLEN];
316 inet_ntop(AF_INET,
317 (const void *)&((struct sockaddr_in *)&s->cli_addr)->sin_addr,
318 pn, sizeof(pn));
319
320 len = sprintf(trash, "%08x:%s.accept(%04x)=%04x from [%s:%d]\n",
321 s->uniq_id, p->id, (unsigned short)fd, (unsigned short)cfd,
322 pn, ntohs(((struct sockaddr_in *)&s->cli_addr)->sin_port));
323 }
324 else {
325 char pn[INET6_ADDRSTRLEN];
326 inet_ntop(AF_INET6,
327 (const void *)&((struct sockaddr_in6 *)(&s->cli_addr))->sin6_addr,
328 pn, sizeof(pn));
329
330 len = sprintf(trash, "%08x:%s.accept(%04x)=%04x from [%s:%d]\n",
331 s->uniq_id, p->id, (unsigned short)fd, (unsigned short)cfd,
332 pn, ntohs(((struct sockaddr_in6 *)(&s->cli_addr))->sin6_port));
333 }
334
335 write(1, trash, len);
336 }
337
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100338 if ((s->req = pool_alloc2(pool2_buffer)) == NULL)
339 goto out_fail_req; /* no memory */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200340
Willy Tarreau54469402006-07-29 16:59:06 +0200341 buffer_init(s->req);
342 s->req->rlim += BUFSIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200343 if (s->cli_state == CL_STHEADERS) /* reserve some space for header rewriting */
344 s->req->rlim -= MAXREWRITE;
345
Willy Tarreaud7c30f92007-12-03 01:38:36 +0100346 s->req->rto = s->fe->timeout.client;
347 s->req->wto = s->be->timeout.server;
348 s->req->cto = s->be->timeout.connect;
Willy Tarreaud7971282006-07-29 18:36:34 +0200349
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100350 if ((s->rep = pool_alloc2(pool2_buffer)) == NULL)
351 goto out_fail_rep; /* no memory */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200352
Willy Tarreau54469402006-07-29 16:59:06 +0200353 buffer_init(s->rep);
354
Willy Tarreaud7c30f92007-12-03 01:38:36 +0100355 s->rep->rto = s->be->timeout.server;
356 s->rep->wto = s->fe->timeout.client;
Willy Tarreauee991362007-05-14 14:37:50 +0200357 tv_eternity(&s->rep->cto);
Willy Tarreaud7971282006-07-29 18:36:34 +0200358
Willy Tarreau7a966482007-04-15 10:58:02 +0200359 fd_insert(cfd);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200360 fdtab[cfd].owner = t;
Willy Tarreaue6b98942007-10-29 01:09:36 +0100361 fdtab[cfd].listener = l;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200362 fdtab[cfd].state = FD_STREADY;
Willy Tarreaue6b98942007-10-29 01:09:36 +0100363 fdtab[cfd].cb[DIR_RD].f = l->proto->read;
Willy Tarreau54469402006-07-29 16:59:06 +0200364 fdtab[cfd].cb[DIR_RD].b = s->req;
Willy Tarreaue6b98942007-10-29 01:09:36 +0100365 fdtab[cfd].cb[DIR_WR].f = l->proto->write;
Willy Tarreau54469402006-07-29 16:59:06 +0200366 fdtab[cfd].cb[DIR_WR].b = s->rep;
Willy Tarreaue94ebd02007-10-09 17:14:37 +0200367 fdtab[cfd].peeraddr = (struct sockaddr *)&s->cli_addr;
368 fdtab[cfd].peerlen = sizeof(s->cli_addr);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200369
370 if ((p->mode == PR_MODE_HTTP && (s->flags & SN_MONITOR)) ||
Willy Tarreau0f772532006-12-23 20:51:41 +0100371 (p->mode == PR_MODE_HEALTH && (p->options & PR_O_HTTP_CHK))) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200372 /* Either we got a request from a monitoring system on an HTTP instance,
373 * or we're in health check mode with the 'httpchk' option enabled. In
374 * both cases, we return a fake "HTTP/1.0 200 OK" response and we exit.
375 */
Willy Tarreau0f772532006-12-23 20:51:41 +0100376 struct chunk msg = { .str = "HTTP/1.0 200 OK\r\n\r\n", .len = 19 };
377 client_retnclose(s, &msg); /* forge a 200 response */
378 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200379 else if (p->mode == PR_MODE_HEALTH) { /* health check mode, no client reading */
Willy Tarreau0f772532006-12-23 20:51:41 +0100380 struct chunk msg = { .str = "OK\n", .len = 3 };
381 client_retnclose(s, &msg); /* forge an "OK" response */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200382 }
383 else {
Willy Tarreauf161a342007-04-08 16:59:42 +0200384 EV_FD_SET(cfd, DIR_RD);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200385 }
386
Willy Tarreaud7971282006-07-29 18:36:34 +0200387 tv_eternity(&s->req->rex);
388 tv_eternity(&s->req->wex);
389 tv_eternity(&s->req->cex);
390 tv_eternity(&s->rep->rex);
391 tv_eternity(&s->rep->wex);
Willy Tarreau036fae02008-01-06 13:24:40 +0100392 tv_eternity(&s->txn.exp);
Willy Tarreau5465e112007-04-29 19:09:47 +0200393 tv_eternity(&t->expire);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200394
Willy Tarreaud7c30f92007-12-03 01:38:36 +0100395 if (tv_isset(&s->fe->timeout.client)) {
Willy Tarreau5465e112007-04-29 19:09:47 +0200396 if (EV_FD_ISSET(cfd, DIR_RD)) {
Willy Tarreaud7c30f92007-12-03 01:38:36 +0100397 tv_add(&s->req->rex, &now, &s->fe->timeout.client);
Willy Tarreau5465e112007-04-29 19:09:47 +0200398 t->expire = s->req->rex;
399 }
400 if (EV_FD_ISSET(cfd, DIR_WR)) {
Willy Tarreaud7c30f92007-12-03 01:38:36 +0100401 tv_add(&s->rep->wex, &now, &s->fe->timeout.client);
Willy Tarreaud95dcb52007-10-15 20:36:37 +0200402 t->expire = s->rep->wex;
Willy Tarreau5465e112007-04-29 19:09:47 +0200403 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200404 }
405
Willy Tarreau036fae02008-01-06 13:24:40 +0100406 if (s->cli_state == CL_STHEADERS && tv_isset(&s->fe->timeout.httpreq)) {
407 tv_add(&s->txn.exp, &now, &s->fe->timeout.httpreq);
408 tv_bound(&t->expire, &s->txn.exp);
409 }
410
Willy Tarreaubaaee002006-06-26 02:48:02 +0200411 if (p->mode != PR_MODE_HEALTH)
Willy Tarreau96bcfd72007-04-29 10:41:56 +0200412 task_wakeup(t);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200413
Willy Tarreauf1221aa2006-12-17 22:14:12 +0100414 p->feconn++; /* beconn will be increased later */
415 if (p->feconn > p->feconn_max)
416 p->feconn_max = p->feconn;
Willy Tarreaua7e76142007-11-03 14:28:39 +0100417
418 if (s->flags & SN_BE_ASSIGNED) {
419 s->be->cum_beconn++;
420 s->be->beconn++;
421 if (s->be->beconn > s->be->beconn_max)
422 s->be->beconn_max = s->be->beconn;
423 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200424 actconn++;
425 totalconn++;
426
427 // fprintf(stderr, "accepting from %p => %d conn, %d total, task=%p\n", p, actconn, totalconn, t);
Willy Tarreauf1221aa2006-12-17 22:14:12 +0100428 } /* end of while (p->feconn < p->maxconn) */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200429 return 0;
Willy Tarreau8ced9a42007-11-04 17:51:50 +0100430
431 /* Error unrolling */
432 out_fail_rep:
433 if (s->req)
434 pool_free2(pool2_buffer, s->req);
435 out_fail_req:
436 if (txn->hdr_idx.v != NULL)
437 pool_free2(p->hdr_idx_pool, txn->hdr_idx.v);
438 out_fail_idx:
439 if (txn->rsp.cap != NULL)
440 pool_free2(p->rsp_cap_pool, txn->rsp.cap);
441 out_fail_rspcap:
442 if (txn->req.cap != NULL)
443 pool_free2(p->req_cap_pool, txn->req.cap);
444 out_fail_reqcap:
445 out_free_task:
446 pool_free2(pool2_task, t);
447 out_free_session:
448 pool_free2(pool2_session, s);
449 out_close:
450 close(cfd);
451 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200452}
453
454
455
Willy Tarreau8797c062007-05-07 00:55:35 +0200456/************************************************************************/
457/* All supported keywords must be declared here. */
458/************************************************************************/
459
460/* set test->ptr to point to the source IPv4/IPv6 address and test->i to the family */
Willy Tarreaud41f8d82007-06-10 10:06:18 +0200461static int
Willy Tarreau97be1452007-06-10 11:47:14 +0200462acl_fetch_src(struct proxy *px, struct session *l4, void *l7, int dir,
463 struct acl_expr *expr, struct acl_test *test)
Willy Tarreau8797c062007-05-07 00:55:35 +0200464{
465 test->i = l4->cli_addr.ss_family;
466 if (test->i == AF_INET)
467 test->ptr = (void *)&((struct sockaddr_in *)&l4->cli_addr)->sin_addr;
468 else
469 test->ptr = (void *)&((struct sockaddr_in6 *)(&l4->cli_addr))->sin6_addr;
470 test->flags = ACL_TEST_F_READ_ONLY;
471 return 1;
472}
473
474
475/* set test->i to the connexion's source port */
Willy Tarreaud41f8d82007-06-10 10:06:18 +0200476static int
Willy Tarreau97be1452007-06-10 11:47:14 +0200477acl_fetch_sport(struct proxy *px, struct session *l4, void *l7, int dir,
478 struct acl_expr *expr, struct acl_test *test)
Willy Tarreau8797c062007-05-07 00:55:35 +0200479{
480 if (l4->cli_addr.ss_family == AF_INET)
481 test->i = ntohs(((struct sockaddr_in *)&l4->cli_addr)->sin_port);
482 else
483 test->i = ntohs(((struct sockaddr_in6 *)(&l4->cli_addr))->sin6_port);
484 test->flags = 0;
485 return 1;
486}
487
Willy Tarreau662b2d82007-05-08 19:56:15 +0200488
489/* set test->ptr to point to the frontend's IPv4/IPv6 address and test->i to the family */
Willy Tarreaud41f8d82007-06-10 10:06:18 +0200490static int
Willy Tarreau97be1452007-06-10 11:47:14 +0200491acl_fetch_dst(struct proxy *px, struct session *l4, void *l7, int dir,
492 struct acl_expr *expr, struct acl_test *test)
Willy Tarreau662b2d82007-05-08 19:56:15 +0200493{
494 if (!(l4->flags & SN_FRT_ADDR_SET))
495 get_frt_addr(l4);
496
497 test->i = l4->frt_addr.ss_family;
498 if (test->i == AF_INET)
499 test->ptr = (void *)&((struct sockaddr_in *)&l4->frt_addr)->sin_addr;
500 else
501 test->ptr = (void *)&((struct sockaddr_in6 *)(&l4->frt_addr))->sin6_addr;
502 test->flags = ACL_TEST_F_READ_ONLY;
503 return 1;
504}
505
506
507/* set test->i to the frontend connexion's destination port */
Willy Tarreaud41f8d82007-06-10 10:06:18 +0200508static int
Willy Tarreau97be1452007-06-10 11:47:14 +0200509acl_fetch_dport(struct proxy *px, struct session *l4, void *l7, int dir,
510 struct acl_expr *expr, struct acl_test *test)
Willy Tarreau662b2d82007-05-08 19:56:15 +0200511{
512 if (!(l4->flags & SN_FRT_ADDR_SET))
513 get_frt_addr(l4);
514
515 if (l4->frt_addr.ss_family == AF_INET)
516 test->i = ntohs(((struct sockaddr_in *)&l4->frt_addr)->sin_port);
517 else
518 test->i = ntohs(((struct sockaddr_in6 *)(&l4->frt_addr))->sin6_port);
519 test->flags = 0;
520 return 1;
521}
522
Alexandre Cassen5eb1a902007-11-29 15:43:32 +0100523
Willy Tarreau8797c062007-05-07 00:55:35 +0200524/* set test->i to the number of connexions to the proxy */
Willy Tarreaud41f8d82007-06-10 10:06:18 +0200525static int
Willy Tarreau97be1452007-06-10 11:47:14 +0200526acl_fetch_dconn(struct proxy *px, struct session *l4, void *l7, int dir,
527 struct acl_expr *expr, struct acl_test *test)
Willy Tarreau8797c062007-05-07 00:55:35 +0200528{
529 test->i = px->feconn;
530 return 1;
531}
532
533
534/* Note: must not be declared <const> as its list will be overwritten */
535static struct acl_kw_list acl_kws = {{ },{
Alexandre Cassen5eb1a902007-11-29 15:43:32 +0100536 { "src_port", acl_parse_int, acl_fetch_sport, acl_match_int },
537 { "src", acl_parse_ip, acl_fetch_src, acl_match_ip },
538 { "dst", acl_parse_ip, acl_fetch_dst, acl_match_ip },
539 { "dst_port", acl_parse_int, acl_fetch_dport, acl_match_int },
Willy Tarreau662b2d82007-05-08 19:56:15 +0200540#if 0
Alexandre Cassen5eb1a902007-11-29 15:43:32 +0100541 { "src_limit", acl_parse_int, acl_fetch_sconn, acl_match_int },
Willy Tarreau8797c062007-05-07 00:55:35 +0200542#endif
Alexandre Cassen5eb1a902007-11-29 15:43:32 +0100543 { "dst_conn", acl_parse_int, acl_fetch_dconn, acl_match_int },
Willy Tarreau8797c062007-05-07 00:55:35 +0200544 { NULL, NULL, NULL, NULL },
545}};
546
547
548__attribute__((constructor))
549static void __client_init(void)
550{
551 acl_register_keywords(&acl_kws);
552}
553
554
Willy Tarreaubaaee002006-06-26 02:48:02 +0200555/*
556 * Local variables:
557 * c-indent-level: 8
558 * c-basic-offset: 8
559 * End:
560 */