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comparison src/imap/ngx_imap_proxy_module.c @ 136:3656228c0b56 NGINX_0_3_15

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nginx 0.3.15 *) Feature: the new 444 code of the "return" directive to close connection. *) Feature: the "so_keepalive" directive in IMAP/POP3 proxy. *) Bugfix: if there are unclosed connection nginx now calls abort() only on gracefull quit and active "debug_points" directive.
author Igor Sysoev <http://sysoev.ru>
date Wed, 07 Dec 2005 00:00:00 +0300
parents 91372f004adf
children 8e6d4d96ec4c
comparison
equal deleted inserted replaced
135:c1ac76c0e9df 136:3656228c0b56
89 89
90 90
91 void 91 void
92 ngx_imap_proxy_init(ngx_imap_session_t *s, ngx_peers_t *peers) 92 ngx_imap_proxy_init(ngx_imap_session_t *s, ngx_peers_t *peers)
93 { 93 {
94 int keepalive;
94 ngx_int_t rc; 95 ngx_int_t rc;
95 ngx_imap_proxy_ctx_t *p; 96 ngx_imap_proxy_ctx_t *p;
96 ngx_imap_core_srv_conf_t *cscf; 97 ngx_imap_core_srv_conf_t *cscf;
97 98
99 s->connection->log->action = "connecting to upstream";
100
101 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
102
103 if (cscf->so_keepalive) {
104 keepalive = 1;
105
106 if (setsockopt(s->connection->fd, SOL_SOCKET, SO_KEEPALIVE,
107 (const void *) &keepalive, sizeof(int))
108 == -1)
109 {
110 ngx_log_error(NGX_LOG_ALERT, s->connection->log, ngx_socket_errno,
111 "setsockopt(SO_KEEPALIVE) failed");
112 }
113 }
114
98 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t)); 115 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t));
99 if (p == NULL) { 116 if (p == NULL) {
100 ngx_imap_session_internal_server_error(s); 117 ngx_imap_session_internal_server_error(s);
101 return; 118 return;
102 } 119 }
105 122
106 p->upstream.peers = peers; 123 p->upstream.peers = peers;
107 p->upstream.log = s->connection->log; 124 p->upstream.log = s->connection->log;
108 p->upstream.log_error = NGX_ERROR_ERR; 125 p->upstream.log_error = NGX_ERROR_ERR;
109 126
110 s->connection->log->action = "in upstream auth state";
111
112 rc = ngx_event_connect_peer(&p->upstream); 127 rc = ngx_event_connect_peer(&p->upstream);
113 128
114 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { 129 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) {
115 ngx_imap_proxy_internal_server_error(s); 130 ngx_imap_proxy_internal_server_error(s);
116 return; 131 return;
117 } 132 }
118 133
119 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
120 ngx_add_timer(p->upstream.connection->read, cscf->timeout); 134 ngx_add_timer(p->upstream.connection->read, cscf->timeout);
121 135
122 p->upstream.connection->data = s; 136 p->upstream.connection->data = s;
123 p->upstream.connection->pool = s->connection->pool; 137 p->upstream.connection->pool = s->connection->pool;
124 138
203 217
204 case ngx_imap_start: 218 case ngx_imap_start:
205 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, 219 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
206 "imap proxy send login"); 220 "imap proxy send login");
207 221
222 s->connection->log->action = "sending LOGIN command to upstream";
223
208 line.len = s->tag.len + sizeof("LOGIN ") - 1 224 line.len = s->tag.len + sizeof("LOGIN ") - 1
209 + 1 + NGX_SIZE_T_LEN + 1 + 2; 225 + 1 + NGX_SIZE_T_LEN + 1 + 2;
210 line.data = ngx_palloc(c->pool, line.len); 226 line.data = ngx_palloc(c->pool, line.len);
211 if (line.data == NULL) { 227 if (line.data == NULL) {
212 ngx_imap_proxy_internal_server_error(s); 228 ngx_imap_proxy_internal_server_error(s);
221 break; 237 break;
222 238
223 case ngx_imap_login: 239 case ngx_imap_login:
224 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); 240 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user");
225 241
242 s->connection->log->action = "sending user name to upstream";
243
226 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; 244 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2;
227 line.data = ngx_palloc(c->pool, line.len); 245 line.data = ngx_palloc(c->pool, line.len);
228 if (line.data == NULL) { 246 if (line.data == NULL) {
229 ngx_imap_proxy_internal_server_error(s); 247 ngx_imap_proxy_internal_server_error(s);
230 return; 248 return;
238 break; 256 break;
239 257
240 case ngx_imap_user: 258 case ngx_imap_user:
241 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, 259 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
242 "imap proxy send passwd"); 260 "imap proxy send passwd");
261
262 s->connection->log->action = "sending password to upstream";
243 263
244 line.len = s->passwd.len + 2; 264 line.len = s->passwd.len + 2;
245 line.data = ngx_palloc(c->pool, line.len); 265 line.data = ngx_palloc(c->pool, line.len);
246 if (line.data == NULL) { 266 if (line.data == NULL) {
247 ngx_imap_proxy_internal_server_error(s); 267 ngx_imap_proxy_internal_server_error(s);
338 switch (s->imap_state) { 358 switch (s->imap_state) {
339 359
340 case ngx_pop3_start: 360 case ngx_pop3_start:
341 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); 361 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user");
342 362
363 s->connection->log->action = "sending user name to upstream";
364
343 line.len = sizeof("USER ") - 1 + s->login.len + 2; 365 line.len = sizeof("USER ") - 1 + s->login.len + 2;
344 line.data = ngx_palloc(c->pool, line.len); 366 line.data = ngx_palloc(c->pool, line.len);
345 if (line.data == NULL) { 367 if (line.data == NULL) {
346 ngx_imap_proxy_internal_server_error(s); 368 ngx_imap_proxy_internal_server_error(s);
347 return; 369 return;
354 s->imap_state = ngx_pop3_user; 376 s->imap_state = ngx_pop3_user;
355 break; 377 break;
356 378
357 case ngx_pop3_user: 379 case ngx_pop3_user:
358 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); 380 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass");
381
382 s->connection->log->action = "sending password to upstream";
359 383
360 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; 384 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2;
361 line.data = ngx_palloc(c->pool, line.len); 385 line.data = ngx_palloc(c->pool, line.len);
362 if (line.data == NULL) { 386 if (line.data == NULL) {
363 ngx_imap_proxy_internal_server_error(s); 387 ngx_imap_proxy_internal_server_error(s);
428 ngx_imap_proxy_read_response(ngx_imap_session_t *s, ngx_uint_t what) 452 ngx_imap_proxy_read_response(ngx_imap_session_t *s, ngx_uint_t what)
429 { 453 {
430 u_char *p; 454 u_char *p;
431 ssize_t n; 455 ssize_t n;
432 ngx_buf_t *b; 456 ngx_buf_t *b;
457
458 s->connection->log->action = "reading response from upstream";
433 459
434 b = s->proxy->buffer; 460 b = s->proxy->buffer;
435 461
436 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, 462 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection,
437 b->last, b->end - b->last); 463 b->last, b->end - b->last);