Mercurial > hg > nginx
annotate src/mail/ngx_mail_proxy_module.c @ 4412:d620f497c50f
Copyright updated.
| author | Maxim Konovalov <maxim@nginx.com> |
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| date | Wed, 18 Jan 2012 15:07:43 +0000 |
| parents | e444e8f6538b |
| children | 04e43d03e153 |
| rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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11 #include <ngx_event_connect.h> |
| 1136 | 12 #include <ngx_mail.h> |
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14 |
| 521 | 15 typedef struct { |
| 16 ngx_flag_t enable; | |
| 857 | 17 ngx_flag_t pass_error_message; |
| 1136 | 18 ngx_flag_t xclient; |
| 539 | 19 size_t buffer_size; |
| 20 ngx_msec_t timeout; | |
| 1136 | 21 } ngx_mail_proxy_conf_t; |
| 521 | 22 |
| 23 | |
| 1136 | 24 static void ngx_mail_proxy_block_read(ngx_event_t *rev); |
| 25 static void ngx_mail_proxy_pop3_handler(ngx_event_t *rev); | |
| 26 static void ngx_mail_proxy_imap_handler(ngx_event_t *rev); | |
| 27 static void ngx_mail_proxy_smtp_handler(ngx_event_t *rev); | |
| 28 static void ngx_mail_proxy_dummy_handler(ngx_event_t *ev); | |
| 29 static ngx_int_t ngx_mail_proxy_read_response(ngx_mail_session_t *s, | |
| 663 | 30 ngx_uint_t state); |
| 1136 | 31 static void ngx_mail_proxy_handler(ngx_event_t *ev); |
| 32 static void ngx_mail_proxy_upstream_error(ngx_mail_session_t *s); | |
| 33 static void ngx_mail_proxy_internal_server_error(ngx_mail_session_t *s); | |
| 34 static void ngx_mail_proxy_close_session(ngx_mail_session_t *s); | |
| 35 static void *ngx_mail_proxy_create_conf(ngx_conf_t *cf); | |
| 36 static char *ngx_mail_proxy_merge_conf(ngx_conf_t *cf, void *parent, | |
| 521 | 37 void *child); |
| 38 | |
| 39 | |
| 1136 | 40 static ngx_command_t ngx_mail_proxy_commands[] = { |
| 539 | 41 |
| 521 | 42 { ngx_string("proxy"), |
| 1136 | 43 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
| 521 | 44 ngx_conf_set_flag_slot, |
| 1136 | 45 NGX_MAIL_SRV_CONF_OFFSET, |
| 46 offsetof(ngx_mail_proxy_conf_t, enable), | |
| 521 | 47 NULL }, |
| 48 | |
| 539 | 49 { ngx_string("proxy_buffer"), |
| 1136 | 50 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 539 | 51 ngx_conf_set_size_slot, |
| 1136 | 52 NGX_MAIL_SRV_CONF_OFFSET, |
| 53 offsetof(ngx_mail_proxy_conf_t, buffer_size), | |
| 539 | 54 NULL }, |
| 55 | |
| 56 { ngx_string("proxy_timeout"), | |
| 1136 | 57 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 539 | 58 ngx_conf_set_msec_slot, |
| 1136 | 59 NGX_MAIL_SRV_CONF_OFFSET, |
| 60 offsetof(ngx_mail_proxy_conf_t, timeout), | |
| 539 | 61 NULL }, |
| 62 | |
| 857 | 63 { ngx_string("proxy_pass_error_message"), |
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64 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
| 857 | 65 ngx_conf_set_flag_slot, |
| 1136 | 66 NGX_MAIL_SRV_CONF_OFFSET, |
| 67 offsetof(ngx_mail_proxy_conf_t, pass_error_message), | |
| 68 NULL }, | |
| 69 | |
| 70 { ngx_string("xclient"), | |
| 71 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, | |
| 72 ngx_conf_set_flag_slot, | |
| 73 NGX_MAIL_SRV_CONF_OFFSET, | |
| 74 offsetof(ngx_mail_proxy_conf_t, xclient), | |
| 857 | 75 NULL }, |
| 76 | |
| 521 | 77 ngx_null_command |
| 78 }; | |
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79 |
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80 |
| 1136 | 81 static ngx_mail_module_t ngx_mail_proxy_module_ctx = { |
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82 NULL, /* protocol */ |
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83 |
| 521 | 84 NULL, /* create main configuration */ |
| 85 NULL, /* init main configuration */ | |
| 86 | |
| 1136 | 87 ngx_mail_proxy_create_conf, /* create server configuration */ |
| 88 ngx_mail_proxy_merge_conf /* merge server configuration */ | |
| 521 | 89 }; |
| 90 | |
| 91 | |
| 1136 | 92 ngx_module_t ngx_mail_proxy_module = { |
| 521 | 93 NGX_MODULE_V1, |
| 1136 | 94 &ngx_mail_proxy_module_ctx, /* module context */ |
| 95 ngx_mail_proxy_commands, /* module directives */ | |
| 96 NGX_MAIL_MODULE, /* module type */ | |
| 541 | 97 NULL, /* init master */ |
| 521 | 98 NULL, /* init module */ |
| 541 | 99 NULL, /* init process */ |
| 100 NULL, /* init thread */ | |
| 101 NULL, /* exit thread */ | |
| 102 NULL, /* exit process */ | |
| 103 NULL, /* exit master */ | |
| 104 NGX_MODULE_V1_PADDING | |
| 521 | 105 }; |
| 106 | |
| 107 | |
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108 static u_char smtp_auth_ok[] = "235 2.0.0 OK" CRLF; |
| 1136 | 109 |
| 110 | |
| 521 | 111 void |
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112 ngx_mail_proxy_init(ngx_mail_session_t *s, ngx_addr_t *peer) |
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113 { |
| 587 | 114 int keepalive; |
| 527 | 115 ngx_int_t rc; |
| 1136 | 116 ngx_mail_proxy_ctx_t *p; |
| 117 ngx_mail_proxy_conf_t *pcf; | |
| 118 ngx_mail_core_srv_conf_t *cscf; | |
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119 |
| 587 | 120 s->connection->log->action = "connecting to upstream"; |
| 121 | |
| 1136 | 122 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 587 | 123 |
| 124 if (cscf->so_keepalive) { | |
| 125 keepalive = 1; | |
| 126 | |
| 127 if (setsockopt(s->connection->fd, SOL_SOCKET, SO_KEEPALIVE, | |
| 128 (const void *) &keepalive, sizeof(int)) | |
| 129 == -1) | |
| 130 { | |
| 131 ngx_log_error(NGX_LOG_ALERT, s->connection->log, ngx_socket_errno, | |
| 132 "setsockopt(SO_KEEPALIVE) failed"); | |
| 133 } | |
| 134 } | |
| 135 | |
| 1136 | 136 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_mail_proxy_ctx_t)); |
| 501 | 137 if (p == NULL) { |
| 1136 | 138 ngx_mail_session_internal_server_error(s); |
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139 return; |
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140 } |
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141 |
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142 s->proxy = p; |
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143 |
| 884 | 144 p->upstream.sockaddr = peer->sockaddr; |
| 145 p->upstream.socklen = peer->socklen; | |
| 146 p->upstream.name = &peer->name; | |
| 147 p->upstream.get = ngx_event_get_peer; | |
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148 p->upstream.log = s->connection->log; |
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149 p->upstream.log_error = NGX_ERROR_ERR; |
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150 |
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151 rc = ngx_event_connect_peer(&p->upstream); |
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152 |
| 543 | 153 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { |
| 1136 | 154 ngx_mail_proxy_internal_server_error(s); |
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155 return; |
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156 } |
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157 |
| 527 | 158 ngx_add_timer(p->upstream.connection->read, cscf->timeout); |
| 159 | |
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160 p->upstream.connection->data = s; |
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161 p->upstream.connection->pool = s->connection->pool; |
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162 |
| 1136 | 163 s->connection->read->handler = ngx_mail_proxy_block_read; |
| 164 p->upstream.connection->write->handler = ngx_mail_proxy_dummy_handler; | |
| 165 | |
| 166 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); | |
| 167 | |
| 168 s->proxy->buffer = ngx_create_temp_buf(s->connection->pool, | |
| 169 pcf->buffer_size); | |
| 170 if (s->proxy->buffer == NULL) { | |
| 171 ngx_mail_proxy_internal_server_error(s); | |
| 172 return; | |
| 173 } | |
| 174 | |
| 1981 | 175 s->out.len = 0; |
| 176 | |
| 1136 | 177 switch (s->protocol) { |
| 527 | 178 |
| 1136 | 179 case NGX_MAIL_POP3_PROTOCOL: |
| 180 p->upstream.connection->read->handler = ngx_mail_proxy_pop3_handler; | |
| 181 s->mail_state = ngx_pop3_start; | |
| 182 break; | |
| 527 | 183 |
| 1136 | 184 case NGX_MAIL_IMAP_PROTOCOL: |
| 185 p->upstream.connection->read->handler = ngx_mail_proxy_imap_handler; | |
| 186 s->mail_state = ngx_imap_start; | |
| 187 break; | |
| 188 | |
| 189 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 190 p->upstream.connection->read->handler = ngx_mail_proxy_smtp_handler; | |
| 191 s->mail_state = ngx_smtp_start; | |
| 192 break; | |
| 527 | 193 } |
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194 } |
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195 |
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196 |
| 521 | 197 static void |
| 1136 | 198 ngx_mail_proxy_block_read(ngx_event_t *rev) |
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199 { |
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200 ngx_connection_t *c; |
| 1136 | 201 ngx_mail_session_t *s; |
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202 |
| 1136 | 203 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy block read"); |
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204 |
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205 if (ngx_handle_read_event(rev, 0) != NGX_OK) { |
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206 c = rev->data; |
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207 s = c->data; |
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208 |
| 1136 | 209 ngx_mail_proxy_close_session(s); |
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210 } |
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211 } |
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212 |
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213 |
| 521 | 214 static void |
| 1136 | 215 ngx_mail_proxy_pop3_handler(ngx_event_t *rev) |
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216 { |
| 539 | 217 u_char *p; |
| 218 ngx_int_t rc; | |
| 219 ngx_str_t line; | |
| 220 ngx_connection_t *c; | |
| 1136 | 221 ngx_mail_session_t *s; |
| 222 ngx_mail_proxy_conf_t *pcf; | |
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223 |
| 1136 | 224 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
| 225 "mail proxy pop3 auth handler"); | |
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226 |
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227 c = rev->data; |
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228 s = c->data; |
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229 |
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230 if (rev->timedout) { |
| 527 | 231 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
| 232 "upstream timed out"); | |
| 577 | 233 c->timedout = 1; |
| 1136 | 234 ngx_mail_proxy_internal_server_error(s); |
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235 return; |
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236 } |
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237 |
| 1136 | 238 rc = ngx_mail_proxy_read_response(s, 0); |
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239 |
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240 if (rc == NGX_AGAIN) { |
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241 return; |
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242 } |
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243 |
| 571 | 244 if (rc == NGX_ERROR) { |
| 1136 | 245 ngx_mail_proxy_upstream_error(s); |
|
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246 return; |
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247 } |
|
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248 |
| 1136 | 249 switch (s->mail_state) { |
| 587 | 250 |
| 1136 | 251 case ngx_pop3_start: |
| 252 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy send user"); | |
|
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253 |
| 587 | 254 s->connection->log->action = "sending user name to upstream"; |
| 255 | |
| 1136 | 256 line.len = sizeof("USER ") - 1 + s->login.len + 2; |
| 2049 | 257 line.data = ngx_pnalloc(c->pool, line.len); |
| 527 | 258 if (line.data == NULL) { |
| 1136 | 259 ngx_mail_proxy_internal_server_error(s); |
| 527 | 260 return; |
| 261 } | |
| 262 | |
| 1136 | 263 p = ngx_cpymem(line.data, "USER ", sizeof("USER ") - 1); |
| 264 p = ngx_cpymem(p, s->login.data, s->login.len); | |
| 265 *p++ = CR; *p = LF; | |
| 527 | 266 |
| 1136 | 267 s->mail_state = ngx_pop3_user; |
| 527 | 268 break; |
| 269 | |
| 1136 | 270 case ngx_pop3_user: |
| 271 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy send pass"); | |
| 527 | 272 |
| 587 | 273 s->connection->log->action = "sending password to upstream"; |
| 274 | |
| 1136 | 275 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; |
| 2049 | 276 line.data = ngx_pnalloc(c->pool, line.len); |
| 501 | 277 if (line.data == NULL) { |
| 1136 | 278 ngx_mail_proxy_internal_server_error(s); |
| 527 | 279 return; |
| 280 } | |
| 281 | |
| 1136 | 282 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
| 283 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
| 527 | 284 *p++ = CR; *p = LF; |
| 285 | |
| 1136 | 286 s->mail_state = ngx_pop3_passwd; |
| 527 | 287 break; |
| 288 | |
| 1136 | 289 case ngx_pop3_passwd: |
| 290 s->connection->read->handler = ngx_mail_proxy_handler; | |
| 291 s->connection->write->handler = ngx_mail_proxy_handler; | |
| 292 rev->handler = ngx_mail_proxy_handler; | |
| 293 c->write->handler = ngx_mail_proxy_handler; | |
| 663 | 294 |
| 1136 | 295 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
| 663 | 296 ngx_add_timer(s->connection->read, pcf->timeout); |
| 297 ngx_del_timer(c->read); | |
| 298 | |
| 299 c->log->action = NULL; | |
| 300 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
| 301 | |
| 1136 | 302 ngx_mail_proxy_handler(s->connection->write); |
| 663 | 303 |
| 304 return; | |
| 305 | |
| 527 | 306 default: |
| 307 #if (NGX_SUPPRESS_WARN) | |
|
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308 ngx_str_null(&line); |
| 527 | 309 #endif |
| 310 break; | |
| 311 } | |
| 312 | |
| 539 | 313 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
| 527 | 314 /* |
| 315 * we treat the incomplete sending as NGX_ERROR | |
| 316 * because it is very strange here | |
| 317 */ | |
| 1136 | 318 ngx_mail_proxy_internal_server_error(s); |
| 527 | 319 return; |
| 320 } | |
| 321 | |
| 322 s->proxy->buffer->pos = s->proxy->buffer->start; | |
| 323 s->proxy->buffer->last = s->proxy->buffer->start; | |
| 324 } | |
| 325 | |
| 326 | |
| 327 static void | |
| 1136 | 328 ngx_mail_proxy_imap_handler(ngx_event_t *rev) |
| 527 | 329 { |
| 539 | 330 u_char *p; |
| 331 ngx_int_t rc; | |
| 332 ngx_str_t line; | |
| 333 ngx_connection_t *c; | |
| 1136 | 334 ngx_mail_session_t *s; |
| 335 ngx_mail_proxy_conf_t *pcf; | |
| 527 | 336 |
| 1136 | 337 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
| 338 "mail proxy imap auth handler"); | |
| 527 | 339 |
| 340 c = rev->data; | |
| 341 s = c->data; | |
| 342 | |
| 343 if (rev->timedout) { | |
| 344 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
| 345 "upstream timed out"); | |
| 577 | 346 c->timedout = 1; |
| 1136 | 347 ngx_mail_proxy_internal_server_error(s); |
| 527 | 348 return; |
| 349 } | |
| 350 | |
| 1136 | 351 rc = ngx_mail_proxy_read_response(s, s->mail_state); |
| 527 | 352 |
| 353 if (rc == NGX_AGAIN) { | |
| 354 return; | |
| 355 } | |
| 356 | |
| 571 | 357 if (rc == NGX_ERROR) { |
| 1136 | 358 ngx_mail_proxy_upstream_error(s); |
| 527 | 359 return; |
| 360 } | |
| 361 | |
| 1136 | 362 switch (s->mail_state) { |
| 527 | 363 |
| 1136 | 364 case ngx_imap_start: |
| 365 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 366 "mail proxy send login"); | |
| 527 | 367 |
| 1136 | 368 s->connection->log->action = "sending LOGIN command to upstream"; |
| 587 | 369 |
| 1136 | 370 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
| 371 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
| 2049 | 372 line.data = ngx_pnalloc(c->pool, line.len); |
| 527 | 373 if (line.data == NULL) { |
| 1136 | 374 ngx_mail_proxy_internal_server_error(s); |
|
419
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375 return; |
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376 } |
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377 |
| 1136 | 378 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, |
| 379 &s->tag, s->login.len) | |
| 380 - line.data; | |
|
422
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|
381 |
| 1136 | 382 s->mail_state = ngx_imap_login; |
| 527 | 383 break; |
| 384 | |
| 1136 | 385 case ngx_imap_login: |
| 386 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy send user"); | |
| 387 | |
| 388 s->connection->log->action = "sending user name to upstream"; | |
| 389 | |
| 390 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
| 2049 | 391 line.data = ngx_pnalloc(c->pool, line.len); |
| 1136 | 392 if (line.data == NULL) { |
| 393 ngx_mail_proxy_internal_server_error(s); | |
| 394 return; | |
| 395 } | |
| 396 | |
| 397 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, | |
| 398 &s->login, s->passwd.len) | |
| 399 - line.data; | |
| 400 | |
| 401 s->mail_state = ngx_imap_user; | |
| 402 break; | |
| 403 | |
| 404 case ngx_imap_user: | |
| 405 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 406 "mail proxy send passwd"); | |
| 527 | 407 |
| 587 | 408 s->connection->log->action = "sending password to upstream"; |
| 409 | |
| 1136 | 410 line.len = s->passwd.len + 2; |
| 2049 | 411 line.data = ngx_pnalloc(c->pool, line.len); |
| 527 | 412 if (line.data == NULL) { |
| 1136 | 413 ngx_mail_proxy_internal_server_error(s); |
|
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414 return; |
|
419
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415 } |
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416 |
| 1136 | 417 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); |
| 527 | 418 *p++ = CR; *p = LF; |
|
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419 |
| 1136 | 420 s->mail_state = ngx_imap_passwd; |
| 527 | 421 break; |
|
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422 |
| 1136 | 423 case ngx_imap_passwd: |
| 424 s->connection->read->handler = ngx_mail_proxy_handler; | |
| 425 s->connection->write->handler = ngx_mail_proxy_handler; | |
| 426 rev->handler = ngx_mail_proxy_handler; | |
| 427 c->write->handler = ngx_mail_proxy_handler; | |
| 663 | 428 |
| 1136 | 429 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
| 663 | 430 ngx_add_timer(s->connection->read, pcf->timeout); |
| 431 ngx_del_timer(c->read); | |
| 432 | |
| 433 c->log->action = NULL; | |
| 434 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
| 435 | |
| 1136 | 436 ngx_mail_proxy_handler(s->connection->write); |
| 663 | 437 |
| 438 return; | |
| 439 | |
| 527 | 440 default: |
| 441 #if (NGX_SUPPRESS_WARN) | |
|
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442 ngx_str_null(&line); |
| 527 | 443 #endif |
| 444 break; | |
|
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445 } |
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446 |
| 539 | 447 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
|
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448 /* |
|
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449 * we treat the incomplete sending as NGX_ERROR |
|
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450 * because it is very strange here |
|
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451 */ |
| 1136 | 452 ngx_mail_proxy_internal_server_error(s); |
|
422
edaefb2a20fc
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453 return; |
|
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454 } |
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|
455 |
|
edaefb2a20fc
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456 s->proxy->buffer->pos = s->proxy->buffer->start; |
|
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457 s->proxy->buffer->last = s->proxy->buffer->start; |
|
419
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|
458 } |
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|
459 |
|
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|
460 |
| 521 | 461 static void |
| 1136 | 462 ngx_mail_proxy_smtp_handler(ngx_event_t *rev) |
| 463 { | |
| 464 u_char *p; | |
| 465 ngx_int_t rc; | |
| 466 ngx_str_t line; | |
| 2309 | 467 ngx_buf_t *b; |
| 1136 | 468 ngx_connection_t *c; |
| 469 ngx_mail_session_t *s; | |
| 470 ngx_mail_proxy_conf_t *pcf; | |
| 471 ngx_mail_core_srv_conf_t *cscf; | |
| 472 | |
| 473 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 474 "mail proxy smtp auth handler"); | |
| 475 | |
| 476 c = rev->data; | |
| 477 s = c->data; | |
| 478 | |
| 479 if (rev->timedout) { | |
| 480 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
| 481 "upstream timed out"); | |
| 482 c->timedout = 1; | |
| 483 ngx_mail_proxy_internal_server_error(s); | |
| 484 return; | |
| 485 } | |
| 486 | |
| 487 rc = ngx_mail_proxy_read_response(s, s->mail_state); | |
| 488 | |
| 489 if (rc == NGX_AGAIN) { | |
| 490 return; | |
| 491 } | |
| 492 | |
| 493 if (rc == NGX_ERROR) { | |
| 494 ngx_mail_proxy_upstream_error(s); | |
| 495 return; | |
| 496 } | |
| 497 | |
| 498 switch (s->mail_state) { | |
| 499 | |
| 500 case ngx_smtp_start: | |
| 501 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy send ehlo"); | |
| 502 | |
| 503 s->connection->log->action = "sending HELO/EHLO to upstream"; | |
| 504 | |
| 505 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 506 | |
| 507 line.len = sizeof("HELO ") - 1 + cscf->server_name.len + 2; | |
| 2049 | 508 line.data = ngx_pnalloc(c->pool, line.len); |
| 1136 | 509 if (line.data == NULL) { |
| 510 ngx_mail_proxy_internal_server_error(s); | |
| 511 return; | |
| 512 } | |
| 513 | |
| 514 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); | |
| 515 | |
| 516 p = ngx_cpymem(line.data, | |
| 517 ((s->esmtp || pcf->xclient) ? "EHLO " : "HELO "), | |
| 518 sizeof("HELO ") - 1); | |
| 519 | |
| 520 p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); | |
| 521 *p++ = CR; *p = LF; | |
| 522 | |
| 2309 | 523 if (pcf->xclient) { |
| 524 s->mail_state = ngx_smtp_helo_xclient; | |
| 525 | |
| 526 } else if (s->auth_method == NGX_MAIL_AUTH_NONE) { | |
| 527 s->mail_state = ngx_smtp_helo_from; | |
| 528 | |
| 529 } else { | |
| 530 s->mail_state = ngx_smtp_helo; | |
| 531 } | |
| 1136 | 532 |
| 533 break; | |
| 534 | |
| 2309 | 535 case ngx_smtp_helo_xclient: |
| 1136 | 536 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
| 537 "mail proxy send xclient"); | |
| 538 | |
| 539 s->connection->log->action = "sending XCLIENT to upstream"; | |
| 540 | |
| 2497 | 541 line.len = sizeof("XCLIENT ADDR= LOGIN= NAME=" |
|
1892
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|
542 CRLF) - 1 |
|
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changeset
|
543 + s->connection->addr_text.len + s->login.len + s->host.len; |
| 1136 | 544 |
| 2049 | 545 line.data = ngx_pnalloc(c->pool, line.len); |
| 1136 | 546 if (line.data == NULL) { |
| 547 ngx_mail_proxy_internal_server_error(s); | |
| 548 return; | |
| 549 } | |
| 550 | |
| 2309 | 551 line.len = ngx_sprintf(line.data, |
| 2497 | 552 "XCLIENT ADDR=%V%s%V NAME=%V" CRLF, |
| 2309 | 553 &s->connection->addr_text, |
| 554 (s->login.len ? " LOGIN=" : ""), &s->login, &s->host) | |
| 555 - line.data; | |
| 556 | |
| 2497 | 557 if (s->smtp_helo.len) { |
| 558 s->mail_state = ngx_smtp_xclient_helo; | |
| 559 | |
| 560 } else if (s->auth_method == NGX_MAIL_AUTH_NONE) { | |
| 561 s->mail_state = ngx_smtp_xclient_from; | |
| 562 | |
| 563 } else { | |
| 564 s->mail_state = ngx_smtp_xclient; | |
| 565 } | |
| 566 | |
| 567 break; | |
| 568 | |
| 569 case ngx_smtp_xclient_helo: | |
| 570 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 571 "mail proxy send client ehlo"); | |
| 572 | |
| 573 s->connection->log->action = "sending client HELO/EHLO to upstream"; | |
| 574 | |
| 575 line.len = sizeof("HELO " CRLF) - 1 + s->smtp_helo.len; | |
| 576 | |
| 577 line.data = ngx_pnalloc(c->pool, line.len); | |
| 578 if (line.data == NULL) { | |
| 579 ngx_mail_proxy_internal_server_error(s); | |
| 580 return; | |
| 581 } | |
| 582 | |
| 583 line.len = ngx_sprintf(line.data, | |
| 584 ((s->esmtp) ? "EHLO %V" CRLF : "HELO %V" CRLF), | |
| 585 &s->smtp_helo) | |
| 586 - line.data; | |
| 587 | |
| 2309 | 588 s->mail_state = (s->auth_method == NGX_MAIL_AUTH_NONE) ? |
| 2497 | 589 ngx_smtp_helo_from : ngx_smtp_helo; |
| 2309 | 590 |
| 591 break; | |
| 592 | |
| 593 case ngx_smtp_helo_from: | |
| 594 case ngx_smtp_xclient_from: | |
| 595 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 596 "mail proxy send mail from"); | |
| 597 | |
| 598 s->connection->log->action = "sending MAIL FROM to upstream"; | |
| 599 | |
| 600 line.len = s->smtp_from.len + sizeof(CRLF) - 1; | |
| 601 line.data = ngx_pnalloc(c->pool, line.len); | |
| 602 if (line.data == NULL) { | |
| 603 ngx_mail_proxy_internal_server_error(s); | |
| 604 return; | |
| 1136 | 605 } |
| 606 | |
| 2309 | 607 p = ngx_cpymem(line.data, s->smtp_from.data, s->smtp_from.len); |
| 608 *p++ = CR; *p = LF; | |
| 609 | |
| 610 s->mail_state = ngx_smtp_from; | |
| 611 | |
| 1136 | 612 break; |
| 613 | |
| 2309 | 614 case ngx_smtp_from: |
| 615 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 616 "mail proxy send rcpt to"); | |
| 617 | |
| 618 s->connection->log->action = "sending RCPT TO to upstream"; | |
| 619 | |
| 620 line.len = s->smtp_to.len + sizeof(CRLF) - 1; | |
| 621 line.data = ngx_pnalloc(c->pool, line.len); | |
| 622 if (line.data == NULL) { | |
| 623 ngx_mail_proxy_internal_server_error(s); | |
| 624 return; | |
| 625 } | |
| 626 | |
| 627 p = ngx_cpymem(line.data, s->smtp_to.data, s->smtp_to.len); | |
| 628 *p++ = CR; *p = LF; | |
| 629 | |
| 630 s->mail_state = ngx_smtp_to; | |
| 1136 | 631 |
| 2309 | 632 break; |
| 633 | |
| 634 case ngx_smtp_helo: | |
| 635 case ngx_smtp_xclient: | |
| 636 case ngx_smtp_to: | |
| 637 | |
| 638 b = s->proxy->buffer; | |
| 1136 | 639 |
| 2309 | 640 if (s->auth_method == NGX_MAIL_AUTH_NONE) { |
|
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
641 b->pos = b->start; |
| 2309 | 642 |
| 643 } else { | |
|
2440
939b40aa9ab4
update r2439: make clear name
Igor Sysoev <igor@sysoev.ru>
parents:
2438
diff
changeset
|
644 ngx_memcpy(b->start, smtp_auth_ok, sizeof(smtp_auth_ok) - 1); |
|
939b40aa9ab4
update r2439: make clear name
Igor Sysoev <igor@sysoev.ru>
parents:
2438
diff
changeset
|
645 b->last = b->start + sizeof(smtp_auth_ok) - 1; |
| 2309 | 646 } |
| 647 | |
| 1136 | 648 s->connection->read->handler = ngx_mail_proxy_handler; |
| 649 s->connection->write->handler = ngx_mail_proxy_handler; | |
| 650 rev->handler = ngx_mail_proxy_handler; | |
| 651 c->write->handler = ngx_mail_proxy_handler; | |
| 652 | |
| 653 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); | |
| 654 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 655 ngx_del_timer(c->read); | |
| 656 | |
| 657 c->log->action = NULL; | |
| 658 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
| 659 | |
| 660 ngx_mail_proxy_handler(s->connection->write); | |
| 661 | |
| 662 return; | |
| 663 | |
| 664 default: | |
| 665 #if (NGX_SUPPRESS_WARN) | |
|
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3505
diff
changeset
|
666 ngx_str_null(&line); |
| 1136 | 667 #endif |
| 668 break; | |
| 669 } | |
| 670 | |
| 671 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { | |
| 672 /* | |
| 673 * we treat the incomplete sending as NGX_ERROR | |
| 674 * because it is very strange here | |
| 675 */ | |
| 676 ngx_mail_proxy_internal_server_error(s); | |
| 677 return; | |
| 678 } | |
| 679 | |
| 680 s->proxy->buffer->pos = s->proxy->buffer->start; | |
| 681 s->proxy->buffer->last = s->proxy->buffer->start; | |
| 682 } | |
| 683 | |
| 684 | |
| 685 static void | |
| 686 ngx_mail_proxy_dummy_handler(ngx_event_t *wev) | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
687 { |
| 583 | 688 ngx_connection_t *c; |
| 1136 | 689 ngx_mail_session_t *s; |
| 583 | 690 |
| 1136 | 691 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, wev->log, 0, "mail proxy dummy handler"); |
| 583 | 692 |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2311
diff
changeset
|
693 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
| 583 | 694 c = wev->data; |
| 695 s = c->data; | |
| 696 | |
| 1136 | 697 ngx_mail_proxy_close_session(s); |
| 583 | 698 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
699 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
700 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
701 |
| 521 | 702 static ngx_int_t |
| 1136 | 703 ngx_mail_proxy_read_response(ngx_mail_session_t *s, ngx_uint_t state) |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
704 { |
| 857 | 705 u_char *p; |
| 706 ssize_t n; | |
| 707 ngx_buf_t *b; | |
| 1136 | 708 ngx_mail_proxy_conf_t *pcf; |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
709 |
| 587 | 710 s->connection->log->action = "reading response from upstream"; |
| 711 | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
712 b = s->proxy->buffer; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
713 |
| 539 | 714 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, |
| 715 b->last, b->end - b->last); | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
716 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
717 if (n == NGX_ERROR || n == 0) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
718 return NGX_ERROR; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
719 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
720 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
721 if (n == NGX_AGAIN) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
722 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
723 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
724 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
725 b->last += n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
726 |
|
3505
c631ef8beaaa
Zimbra IMAP server may return only 4 bytes: "+ \r\n"
Igor Sysoev <igor@sysoev.ru>
parents:
3269
diff
changeset
|
727 if (b->last - b->pos < 4) { |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
728 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
729 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
730 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
731 if (*(b->last - 2) != CR || *(b->last - 1) != LF) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
732 if (b->last == b->end) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
733 *(b->last - 1) = '\0'; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
734 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
735 "upstream sent too long response line: \"%s\"", |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
736 b->pos); |
| 571 | 737 return NGX_ERROR; |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
738 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
739 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
740 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
741 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
742 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
743 p = b->pos; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
744 |
| 1136 | 745 switch (s->protocol) { |
| 746 | |
| 747 case NGX_MAIL_POP3_PROTOCOL: | |
| 527 | 748 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { |
| 749 return NGX_OK; | |
| 750 } | |
| 1136 | 751 break; |
| 527 | 752 |
| 1136 | 753 case NGX_MAIL_IMAP_PROTOCOL: |
| 663 | 754 switch (state) { |
| 755 | |
| 756 case ngx_imap_start: | |
| 527 | 757 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { |
| 758 return NGX_OK; | |
| 759 } | |
| 663 | 760 break; |
| 527 | 761 |
| 663 | 762 case ngx_imap_login: |
| 763 case ngx_imap_user: | |
| 529 | 764 if (p[0] == '+') { |
| 527 | 765 return NGX_OK; |
| 766 } | |
| 663 | 767 break; |
| 768 | |
| 769 case ngx_imap_passwd: | |
| 770 if (ngx_strncmp(p, s->tag.data, s->tag.len) == 0) { | |
| 771 p += s->tag.len; | |
| 772 if (p[0] == 'O' && p[1] == 'K') { | |
| 773 return NGX_OK; | |
| 774 } | |
| 775 } | |
| 776 break; | |
| 527 | 777 } |
| 1136 | 778 |
| 779 break; | |
| 780 | |
| 781 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 782 switch (state) { | |
| 783 | |
|
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
784 case ngx_smtp_start: |
|
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
785 if (p[0] == '2' && p[1] == '2' && p[2] == '0') { |
| 1166 | 786 return NGX_OK; |
| 787 } | |
| 788 break; | |
| 1136 | 789 |
|
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
790 case ngx_smtp_helo: |
|
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
791 case ngx_smtp_helo_xclient: |
|
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
792 case ngx_smtp_helo_from: |
|
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
793 case ngx_smtp_from: |
|
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
794 if (p[0] == '2' && p[1] == '5' && p[2] == '0') { |
| 2309 | 795 return NGX_OK; |
| 796 } | |
| 797 break; | |
| 798 | |
| 1136 | 799 case ngx_smtp_xclient: |
| 2309 | 800 case ngx_smtp_xclient_from: |
| 2497 | 801 case ngx_smtp_xclient_helo: |
| 2309 | 802 if (p[0] == '2' && (p[1] == '2' || p[1] == '5') && p[2] == '0') { |
| 1166 | 803 return NGX_OK; |
| 804 } | |
| 805 break; | |
|
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
806 |
|
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
807 case ngx_smtp_to: |
|
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
808 return NGX_OK; |
| 1136 | 809 } |
| 810 | |
| 1166 | 811 break; |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
812 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
813 |
| 1136 | 814 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
| 857 | 815 |
| 816 if (pcf->pass_error_message == 0) { | |
| 817 *(b->last - 2) = '\0'; | |
| 818 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 819 "upstream sent invalid response: \"%s\"", p); | |
| 820 return NGX_ERROR; | |
| 821 } | |
| 822 | |
| 823 s->out.len = b->last - p - 2; | |
| 824 s->out.data = p; | |
| 825 | |
| 826 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, | |
| 827 "upstream sent invalid response: \"%V\"", &s->out); | |
| 828 | |
| 829 s->out.len = b->last - b->pos; | |
| 830 s->out.data = b->pos; | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
831 |
| 571 | 832 return NGX_ERROR; |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
833 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
834 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
835 |
| 521 | 836 static void |
| 1136 | 837 ngx_mail_proxy_handler(ngx_event_t *ev) |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
838 { |
| 583 | 839 char *action, *recv_action, *send_action; |
| 539 | 840 size_t size; |
| 841 ssize_t n; | |
| 842 ngx_buf_t *b; | |
| 583 | 843 ngx_uint_t do_write; |
| 539 | 844 ngx_connection_t *c, *src, *dst; |
| 1136 | 845 ngx_mail_session_t *s; |
| 846 ngx_mail_proxy_conf_t *pcf; | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
847 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
848 c = ev->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
849 s = c->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
850 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
851 if (ev->timedout) { |
| 583 | 852 c->log->action = "proxying"; |
| 853 | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
854 if (c == s->connection) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
855 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
856 "client timed out"); |
| 577 | 857 c->timedout = 1; |
| 858 | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
859 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
860 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
861 "upstream timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
862 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
863 |
| 1136 | 864 ngx_mail_proxy_close_session(s); |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
865 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
866 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
867 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
868 if (c == s->connection) { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
869 if (ev->write) { |
| 583 | 870 recv_action = "proxying and reading from upstream"; |
| 871 send_action = "proxying and sending to client"; | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
872 src = s->proxy->upstream.connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
873 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
874 b = s->proxy->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
875 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
876 } else { |
| 583 | 877 recv_action = "proxying and reading from client"; |
| 878 send_action = "proxying and sending to upstream"; | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
879 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
880 dst = s->proxy->upstream.connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
881 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
882 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
883 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
884 } else { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
885 if (ev->write) { |
| 589 | 886 recv_action = "proxying and reading from client"; |
| 887 send_action = "proxying and sending to upstream"; | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
888 src = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
889 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
890 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
891 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
892 } else { |
| 589 | 893 recv_action = "proxying and reading from upstream"; |
| 894 send_action = "proxying and sending to client"; | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
895 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
896 dst = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
897 b = s->proxy->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
898 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
899 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
900 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
901 do_write = ev->write ? 1 : 0; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
902 |
| 1136 | 903 ngx_log_debug3(NGX_LOG_DEBUG_MAIL, ev->log, 0, |
| 904 "mail proxy handler: %d, #%d > #%d", | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
905 do_write, src->fd, dst->fd); |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
906 |
| 583 | 907 for ( ;; ) { |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
908 |
| 583 | 909 if (do_write) { |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
910 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
911 size = b->last - b->pos; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
912 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
913 if (size && dst->write->ready) { |
| 583 | 914 c->log->action = send_action; |
| 915 | |
| 539 | 916 n = dst->send(dst, b->pos, size); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
917 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
918 if (n == NGX_ERROR) { |
| 1136 | 919 ngx_mail_proxy_close_session(s); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
920 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
921 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
922 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
923 if (n > 0) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
924 b->pos += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
925 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
926 if (b->pos == b->last) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
927 b->pos = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
928 b->last = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
929 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
930 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
931 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
932 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
933 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
934 size = b->end - b->last; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
935 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
936 if (size && src->read->ready) { |
| 583 | 937 c->log->action = recv_action; |
| 938 | |
| 539 | 939 n = src->recv(src, b->last, size); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
940 |
| 583 | 941 if (n == NGX_AGAIN || n == 0) { |
| 942 break; | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
943 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
944 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
945 if (n > 0) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
946 do_write = 1; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
947 b->last += n; |
| 583 | 948 |
| 949 continue; | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
950 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
951 |
| 583 | 952 if (n == NGX_ERROR) { |
| 953 src->read->eof = 1; | |
| 539 | 954 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
955 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
956 |
| 583 | 957 break; |
| 958 } | |
| 959 | |
| 960 c->log->action = "proxying"; | |
| 961 | |
|
1342
be2e13691c60
fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
962 if ((s->connection->read->eof && s->buffer->pos == s->buffer->last) |
|
be2e13691c60
fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
963 || (s->proxy->upstream.connection->read->eof |
|
be2e13691c60
fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
964 && s->proxy->buffer->pos == s->proxy->buffer->last) |
|
be2e13691c60
fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
965 || (s->connection->read->eof |
|
be2e13691c60
fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
966 && s->proxy->upstream.connection->read->eof)) |
| 583 | 967 { |
| 968 action = c->log->action; | |
| 969 c->log->action = NULL; | |
| 970 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxied session done"); | |
| 971 c->log->action = action; | |
| 972 | |
| 1136 | 973 ngx_mail_proxy_close_session(s); |
| 583 | 974 return; |
| 975 } | |
| 976 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2311
diff
changeset
|
977 if (ngx_handle_write_event(dst->write, 0) != NGX_OK) { |
| 1136 | 978 ngx_mail_proxy_close_session(s); |
| 583 | 979 return; |
| 980 } | |
| 981 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2311
diff
changeset
|
982 if (ngx_handle_read_event(dst->read, 0) != NGX_OK) { |
| 1136 | 983 ngx_mail_proxy_close_session(s); |
| 583 | 984 return; |
| 985 } | |
| 986 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2311
diff
changeset
|
987 if (ngx_handle_write_event(src->write, 0) != NGX_OK) { |
| 1136 | 988 ngx_mail_proxy_close_session(s); |
| 583 | 989 return; |
| 990 } | |
| 991 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2311
diff
changeset
|
992 if (ngx_handle_read_event(src->read, 0) != NGX_OK) { |
| 1136 | 993 ngx_mail_proxy_close_session(s); |
| 583 | 994 return; |
| 995 } | |
| 996 | |
| 997 if (c == s->connection) { | |
| 1136 | 998 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
| 583 | 999 ngx_add_timer(c->read, pcf->timeout); |
| 1000 } | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1001 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1002 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1003 |
| 521 | 1004 static void |
| 1136 | 1005 ngx_mail_proxy_upstream_error(ngx_mail_session_t *s) |
| 857 | 1006 { |
| 1007 if (s->proxy->upstream.connection) { | |
| 1136 | 1008 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 1009 "close mail proxy connection: %d", | |
| 857 | 1010 s->proxy->upstream.connection->fd); |
| 1011 | |
| 1012 ngx_close_connection(s->proxy->upstream.connection); | |
| 1013 } | |
| 1014 | |
| 1015 if (s->out.len == 0) { | |
| 1136 | 1016 ngx_mail_session_internal_server_error(s); |
| 857 | 1017 return; |
| 1018 } | |
| 1019 | |
| 1020 s->quit = 1; | |
| 1136 | 1021 ngx_mail_send(s->connection->write); |
| 857 | 1022 } |
| 1023 | |
| 1024 | |
| 1025 static void | |
| 1136 | 1026 ngx_mail_proxy_internal_server_error(ngx_mail_session_t *s) |
| 527 | 1027 { |
| 1028 if (s->proxy->upstream.connection) { | |
| 1136 | 1029 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 1030 "close mail proxy connection: %d", | |
| 527 | 1031 s->proxy->upstream.connection->fd); |
| 1032 | |
| 1033 ngx_close_connection(s->proxy->upstream.connection); | |
| 1034 } | |
| 1035 | |
| 1136 | 1036 ngx_mail_session_internal_server_error(s); |
| 527 | 1037 } |
| 1038 | |
| 1039 | |
| 1040 static void | |
| 1136 | 1041 ngx_mail_proxy_close_session(ngx_mail_session_t *s) |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1042 { |
| 521 | 1043 if (s->proxy->upstream.connection) { |
| 1136 | 1044 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 1045 "close mail proxy connection: %d", | |
| 521 | 1046 s->proxy->upstream.connection->fd); |
| 1047 | |
| 1048 ngx_close_connection(s->proxy->upstream.connection); | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1049 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1050 |
| 1136 | 1051 ngx_mail_close_connection(s->connection); |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1052 } |
| 521 | 1053 |
| 1054 | |
| 1055 static void * | |
| 1136 | 1056 ngx_mail_proxy_create_conf(ngx_conf_t *cf) |
| 577 | 1057 { |
| 1136 | 1058 ngx_mail_proxy_conf_t *pcf; |
| 577 | 1059 |
| 1136 | 1060 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_proxy_conf_t)); |
| 521 | 1061 if (pcf == NULL) { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1062 return NULL; |
| 521 | 1063 } |
| 1064 | |
| 1065 pcf->enable = NGX_CONF_UNSET; | |
| 857 | 1066 pcf->pass_error_message = NGX_CONF_UNSET; |
| 1136 | 1067 pcf->xclient = NGX_CONF_UNSET; |
| 539 | 1068 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
| 1069 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 521 | 1070 |
| 1071 return pcf; | |
| 1072 } | |
| 1073 | |
| 1074 | |
| 1075 static char * | |
| 1136 | 1076 ngx_mail_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) |
| 521 | 1077 { |
| 1136 | 1078 ngx_mail_proxy_conf_t *prev = parent; |
| 1079 ngx_mail_proxy_conf_t *conf = child; | |
| 521 | 1080 |
| 539 | 1081 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
| 857 | 1082 ngx_conf_merge_value(conf->pass_error_message, prev->pass_error_message, 0); |
| 1136 | 1083 ngx_conf_merge_value(conf->xclient, prev->xclient, 1); |
| 539 | 1084 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, |
| 1085 (size_t) ngx_pagesize); | |
| 1086 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
| 521 | 1087 |
| 1088 return NGX_CONF_OK; | |
| 1089 } |