Mercurial > hg > nginx
annotate src/mail/ngx_mail_proxy_module.c @ 5522:bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
| author | Ruslan Ermilov <ru@nginx.com> |
|---|---|
| date | Fri, 17 Jan 2014 22:06:04 +0400 |
| parents | d3e09aa03a7a |
| children | bf1655ae9a1c |
| rev | line source |
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1 |
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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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7 |
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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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13 |
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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; | |
|
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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) { |
|
422
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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
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453 return; |
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454 } |
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|
455 |
|
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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=" |
|
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542 CRLF) - 1 |
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543 + s->connection->addr_text.len + s->login.len + s->host.len; |
| 1136 | 544 |
|
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545 #if (NGX_HAVE_INET6) |
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546 if (s->connection->sockaddr->sa_family == AF_INET6) { |
|
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547 line.len += sizeof("IPV6:") - 1; |
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548 } |
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549 #endif |
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550 |
| 2049 | 551 line.data = ngx_pnalloc(c->pool, line.len); |
| 1136 | 552 if (line.data == NULL) { |
| 553 ngx_mail_proxy_internal_server_error(s); | |
| 554 return; | |
| 555 } | |
| 556 | |
|
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557 p = ngx_cpymem(line.data, "XCLIENT ADDR=", sizeof("XCLIENT ADDR=") - 1); |
|
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558 |
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559 #if (NGX_HAVE_INET6) |
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560 if (s->connection->sockaddr->sa_family == AF_INET6) { |
|
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561 p = ngx_cpymem(p, "IPV6:", sizeof("IPV6:") - 1); |
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562 } |
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563 #endif |
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|
564 |
|
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Mail: fixed passing of IPv6 client address in XCLIENT.
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5399
diff
changeset
|
565 p = ngx_copy(p, s->connection->addr_text.data, |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
566 s->connection->addr_text.len); |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
567 |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
568 if (s->login.len) { |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
569 p = ngx_cpymem(p, " LOGIN=", sizeof(" LOGIN=") - 1); |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
570 p = ngx_copy(p, s->login.data, s->login.len); |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
571 } |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
572 |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
573 p = ngx_cpymem(p, " NAME=", sizeof(" NAME=") - 1); |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
574 p = ngx_copy(p, s->host.data, s->host.len); |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
575 |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
576 *p++ = CR; *p++ = LF; |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
577 |
|
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
578 line.len = p - line.data; |
| 2309 | 579 |
| 2497 | 580 if (s->smtp_helo.len) { |
| 581 s->mail_state = ngx_smtp_xclient_helo; | |
| 582 | |
| 583 } else if (s->auth_method == NGX_MAIL_AUTH_NONE) { | |
| 584 s->mail_state = ngx_smtp_xclient_from; | |
| 585 | |
| 586 } else { | |
| 587 s->mail_state = ngx_smtp_xclient; | |
| 588 } | |
| 589 | |
| 590 break; | |
| 591 | |
| 592 case ngx_smtp_xclient_helo: | |
| 593 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 594 "mail proxy send client ehlo"); | |
| 595 | |
| 596 s->connection->log->action = "sending client HELO/EHLO to upstream"; | |
| 597 | |
| 598 line.len = sizeof("HELO " CRLF) - 1 + s->smtp_helo.len; | |
| 599 | |
| 600 line.data = ngx_pnalloc(c->pool, line.len); | |
| 601 if (line.data == NULL) { | |
| 602 ngx_mail_proxy_internal_server_error(s); | |
| 603 return; | |
| 604 } | |
| 605 | |
| 606 line.len = ngx_sprintf(line.data, | |
| 607 ((s->esmtp) ? "EHLO %V" CRLF : "HELO %V" CRLF), | |
| 608 &s->smtp_helo) | |
| 609 - line.data; | |
| 610 | |
| 2309 | 611 s->mail_state = (s->auth_method == NGX_MAIL_AUTH_NONE) ? |
| 2497 | 612 ngx_smtp_helo_from : ngx_smtp_helo; |
| 2309 | 613 |
| 614 break; | |
| 615 | |
| 616 case ngx_smtp_helo_from: | |
| 617 case ngx_smtp_xclient_from: | |
| 618 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 619 "mail proxy send mail from"); | |
| 620 | |
| 621 s->connection->log->action = "sending MAIL FROM to upstream"; | |
| 622 | |
| 623 line.len = s->smtp_from.len + sizeof(CRLF) - 1; | |
| 624 line.data = ngx_pnalloc(c->pool, line.len); | |
| 625 if (line.data == NULL) { | |
| 626 ngx_mail_proxy_internal_server_error(s); | |
| 627 return; | |
| 1136 | 628 } |
| 629 | |
| 2309 | 630 p = ngx_cpymem(line.data, s->smtp_from.data, s->smtp_from.len); |
| 631 *p++ = CR; *p = LF; | |
| 632 | |
| 633 s->mail_state = ngx_smtp_from; | |
| 634 | |
| 1136 | 635 break; |
| 636 | |
| 2309 | 637 case ngx_smtp_from: |
| 638 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 639 "mail proxy send rcpt to"); | |
| 640 | |
| 641 s->connection->log->action = "sending RCPT TO to upstream"; | |
| 642 | |
| 643 line.len = s->smtp_to.len + sizeof(CRLF) - 1; | |
| 644 line.data = ngx_pnalloc(c->pool, line.len); | |
| 645 if (line.data == NULL) { | |
| 646 ngx_mail_proxy_internal_server_error(s); | |
| 647 return; | |
| 648 } | |
| 649 | |
| 650 p = ngx_cpymem(line.data, s->smtp_to.data, s->smtp_to.len); | |
| 651 *p++ = CR; *p = LF; | |
| 652 | |
| 653 s->mail_state = ngx_smtp_to; | |
| 1136 | 654 |
| 2309 | 655 break; |
| 656 | |
| 657 case ngx_smtp_helo: | |
| 658 case ngx_smtp_xclient: | |
| 659 case ngx_smtp_to: | |
| 660 | |
| 661 b = s->proxy->buffer; | |
| 1136 | 662 |
| 2309 | 663 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
|
664 b->pos = b->start; |
| 2309 | 665 |
| 666 } else { | |
|
2440
939b40aa9ab4
update r2439: make clear name
Igor Sysoev <igor@sysoev.ru>
parents:
2438
diff
changeset
|
667 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
|
668 b->last = b->start + sizeof(smtp_auth_ok) - 1; |
| 2309 | 669 } |
| 670 | |
| 1136 | 671 s->connection->read->handler = ngx_mail_proxy_handler; |
| 672 s->connection->write->handler = ngx_mail_proxy_handler; | |
| 673 rev->handler = ngx_mail_proxy_handler; | |
| 674 c->write->handler = ngx_mail_proxy_handler; | |
| 675 | |
| 676 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); | |
| 677 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 678 ngx_del_timer(c->read); | |
| 679 | |
| 680 c->log->action = NULL; | |
| 681 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
| 682 | |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
683 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
684 ngx_mail_proxy_handler(s->connection->write); |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
685 |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
686 } else { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
687 ngx_mail_proxy_handler(c->write); |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
688 } |
| 1136 | 689 |
| 690 return; | |
| 691 | |
| 692 default: | |
| 693 #if (NGX_SUPPRESS_WARN) | |
|
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3505
diff
changeset
|
694 ngx_str_null(&line); |
| 1136 | 695 #endif |
| 696 break; | |
| 697 } | |
| 698 | |
| 699 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { | |
| 700 /* | |
| 701 * we treat the incomplete sending as NGX_ERROR | |
| 702 * because it is very strange here | |
| 703 */ | |
| 704 ngx_mail_proxy_internal_server_error(s); | |
| 705 return; | |
| 706 } | |
| 707 | |
| 708 s->proxy->buffer->pos = s->proxy->buffer->start; | |
| 709 s->proxy->buffer->last = s->proxy->buffer->start; | |
| 710 } | |
| 711 | |
| 712 | |
| 713 static void | |
| 714 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
|
715 { |
| 583 | 716 ngx_connection_t *c; |
| 1136 | 717 ngx_mail_session_t *s; |
| 583 | 718 |
| 1136 | 719 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, wev->log, 0, "mail proxy dummy handler"); |
| 583 | 720 |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2311
diff
changeset
|
721 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
| 583 | 722 c = wev->data; |
| 723 s = c->data; | |
| 724 | |
| 1136 | 725 ngx_mail_proxy_close_session(s); |
| 583 | 726 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
727 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
728 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
729 |
| 521 | 730 static ngx_int_t |
| 1136 | 731 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
|
732 { |
|
5399
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
733 u_char *p, *m; |
| 857 | 734 ssize_t n; |
| 735 ngx_buf_t *b; | |
| 1136 | 736 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
|
737 |
| 587 | 738 s->connection->log->action = "reading response from upstream"; |
| 739 | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
740 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
|
741 |
| 539 | 742 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, |
| 743 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
|
744 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
745 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
|
746 return NGX_ERROR; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
747 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
748 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
749 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
|
750 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
751 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
752 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
753 b->last += n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
754 |
|
3505
c631ef8beaaa
Zimbra IMAP server may return only 4 bytes: "+ \r\n"
Igor Sysoev <igor@sysoev.ru>
parents:
3269
diff
changeset
|
755 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
|
756 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
757 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
758 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
759 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
|
760 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
|
761 *(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
|
762 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
|
763 "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
|
764 b->pos); |
| 571 | 765 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
|
766 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
767 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
768 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
769 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
770 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
771 p = b->pos; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
772 |
| 1136 | 773 switch (s->protocol) { |
| 774 | |
| 775 case NGX_MAIL_POP3_PROTOCOL: | |
| 527 | 776 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { |
| 777 return NGX_OK; | |
| 778 } | |
| 1136 | 779 break; |
| 527 | 780 |
| 1136 | 781 case NGX_MAIL_IMAP_PROTOCOL: |
| 663 | 782 switch (state) { |
| 783 | |
| 784 case ngx_imap_start: | |
| 527 | 785 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { |
| 786 return NGX_OK; | |
| 787 } | |
| 663 | 788 break; |
| 527 | 789 |
| 663 | 790 case ngx_imap_login: |
| 791 case ngx_imap_user: | |
| 529 | 792 if (p[0] == '+') { |
| 527 | 793 return NGX_OK; |
| 794 } | |
| 663 | 795 break; |
| 796 | |
| 797 case ngx_imap_passwd: | |
| 798 if (ngx_strncmp(p, s->tag.data, s->tag.len) == 0) { | |
| 799 p += s->tag.len; | |
| 800 if (p[0] == 'O' && p[1] == 'K') { | |
| 801 return NGX_OK; | |
| 802 } | |
| 803 } | |
| 804 break; | |
| 527 | 805 } |
| 1136 | 806 |
| 807 break; | |
| 808 | |
| 809 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
|
5399
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
810 |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
811 if (p[3] == '-') { |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
812 /* multiline reply, check if we got last line */ |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
813 |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
814 m = b->last - (sizeof(CRLF "200" CRLF) - 1); |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
815 |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
816 while (m > p) { |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
817 if (m[0] == CR && m[1] == LF) { |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
818 break; |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
819 } |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
820 |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
821 m--; |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
822 } |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
823 |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
824 if (m <= p || m[5] == '-') { |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
825 return NGX_AGAIN; |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
826 } |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
827 } |
|
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
828 |
| 1136 | 829 switch (state) { |
| 830 | |
|
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
831 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
|
832 if (p[0] == '2' && p[1] == '2' && p[2] == '0') { |
| 1166 | 833 return NGX_OK; |
| 834 } | |
| 835 break; | |
| 1136 | 836 |
|
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
837 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
|
838 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
|
839 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
|
840 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
|
841 if (p[0] == '2' && p[1] == '5' && p[2] == '0') { |
| 2309 | 842 return NGX_OK; |
| 843 } | |
| 844 break; | |
| 845 | |
| 1136 | 846 case ngx_smtp_xclient: |
| 2309 | 847 case ngx_smtp_xclient_from: |
| 2497 | 848 case ngx_smtp_xclient_helo: |
| 2309 | 849 if (p[0] == '2' && (p[1] == '2' || p[1] == '5') && p[2] == '0') { |
| 1166 | 850 return NGX_OK; |
| 851 } | |
| 852 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
|
853 |
|
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
854 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
|
855 return NGX_OK; |
| 1136 | 856 } |
| 857 | |
| 1166 | 858 break; |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
859 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
860 |
| 1136 | 861 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
| 857 | 862 |
| 863 if (pcf->pass_error_message == 0) { | |
| 864 *(b->last - 2) = '\0'; | |
| 865 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 866 "upstream sent invalid response: \"%s\"", p); | |
| 867 return NGX_ERROR; | |
| 868 } | |
| 869 | |
| 870 s->out.len = b->last - p - 2; | |
| 871 s->out.data = p; | |
| 872 | |
| 873 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, | |
| 874 "upstream sent invalid response: \"%V\"", &s->out); | |
| 875 | |
| 876 s->out.len = b->last - b->pos; | |
| 877 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
|
878 |
| 571 | 879 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
|
880 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
881 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
882 |
| 521 | 883 static void |
| 1136 | 884 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
|
885 { |
| 583 | 886 char *action, *recv_action, *send_action; |
| 539 | 887 size_t size; |
| 888 ssize_t n; | |
| 889 ngx_buf_t *b; | |
| 583 | 890 ngx_uint_t do_write; |
| 539 | 891 ngx_connection_t *c, *src, *dst; |
| 1136 | 892 ngx_mail_session_t *s; |
| 893 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
|
894 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
895 c = ev->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
896 s = c->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
897 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
898 if (ev->timedout) { |
| 583 | 899 c->log->action = "proxying"; |
| 900 | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
901 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
|
902 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
|
903 "client timed out"); |
| 577 | 904 c->timedout = 1; |
| 905 | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
906 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
907 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
|
908 "upstream timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
909 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
910 |
| 1136 | 911 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
|
912 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
913 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
914 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
915 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
|
916 if (ev->write) { |
| 583 | 917 recv_action = "proxying and reading from upstream"; |
| 918 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
|
919 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
|
920 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
921 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
|
922 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
923 } else { |
| 583 | 924 recv_action = "proxying and reading from client"; |
| 925 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
|
926 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
927 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
|
928 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
929 } |
|
418
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 } else { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
932 if (ev->write) { |
| 589 | 933 recv_action = "proxying and reading from client"; |
| 934 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
|
935 src = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
936 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
937 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
938 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
939 } else { |
| 589 | 940 recv_action = "proxying and reading from upstream"; |
| 941 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
|
942 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
943 dst = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
944 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
|
945 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
946 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
947 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
948 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
|
949 |
| 1136 | 950 ngx_log_debug3(NGX_LOG_DEBUG_MAIL, ev->log, 0, |
| 951 "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
|
952 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
|
953 |
| 583 | 954 for ( ;; ) { |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
955 |
| 583 | 956 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
|
957 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
958 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
|
959 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
960 if (size && dst->write->ready) { |
| 583 | 961 c->log->action = send_action; |
| 962 | |
| 539 | 963 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
|
964 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
965 if (n == NGX_ERROR) { |
| 1136 | 966 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
|
967 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
968 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
969 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
970 if (n > 0) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
971 b->pos += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
972 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
973 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
|
974 b->pos = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
975 b->last = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
976 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
977 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
978 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
979 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
980 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
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parents:
418
diff
changeset
|
981 size = b->end - b->last; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
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parents:
418
diff
changeset
|
982 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
983 if (size && src->read->ready) { |
| 583 | 984 c->log->action = recv_action; |
| 985 | |
| 539 | 986 n = src->recv(src, b->last, size); |
|
418
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parents:
diff
changeset
|
987 |
| 583 | 988 if (n == NGX_AGAIN || n == 0) { |
| 989 break; | |
|
418
cf072d26d6d6
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parents:
diff
changeset
|
990 } |
|
cf072d26d6d6
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
991 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
992 if (n > 0) { |
|
cf072d26d6d6
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parents:
diff
changeset
|
993 do_write = 1; |
|
cf072d26d6d6
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parents:
diff
changeset
|
994 b->last += n; |
| 583 | 995 |
| 996 continue; | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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parents:
diff
changeset
|
997 } |
|
419
47709bff4468
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parents:
418
diff
changeset
|
998 |
| 583 | 999 if (n == NGX_ERROR) { |
| 1000 src->read->eof = 1; | |
| 539 | 1001 } |
|
418
cf072d26d6d6
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parents:
diff
changeset
|
1002 } |
|
cf072d26d6d6
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1003 |
| 583 | 1004 break; |
| 1005 } | |
| 1006 | |
| 1007 c->log->action = "proxying"; | |
| 1008 | |
|
1342
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fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1009 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
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parents:
1166
diff
changeset
|
1010 || (s->proxy->upstream.connection->read->eof |
|
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fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1011 && 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>
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1166
diff
changeset
|
1012 || (s->connection->read->eof |
|
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fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
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1166
diff
changeset
|
1013 && s->proxy->upstream.connection->read->eof)) |
| 583 | 1014 { |
| 1015 action = c->log->action; | |
| 1016 c->log->action = NULL; | |
| 1017 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxied session done"); | |
| 1018 c->log->action = action; | |
| 1019 | |
| 1136 | 1020 ngx_mail_proxy_close_session(s); |
| 583 | 1021 return; |
| 1022 } | |
| 1023 | |
|
2388
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use "!= NGX_OK" instead of "== NGX_ERROR"
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parents:
2311
diff
changeset
|
1024 if (ngx_handle_write_event(dst->write, 0) != NGX_OK) { |
| 1136 | 1025 ngx_mail_proxy_close_session(s); |
| 583 | 1026 return; |
| 1027 } | |
| 1028 | |
|
2388
722b5aff05ae
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parents:
2311
diff
changeset
|
1029 if (ngx_handle_read_event(dst->read, 0) != NGX_OK) { |
| 1136 | 1030 ngx_mail_proxy_close_session(s); |
| 583 | 1031 return; |
| 1032 } | |
| 1033 | |
|
2388
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use "!= NGX_OK" instead of "== NGX_ERROR"
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parents:
2311
diff
changeset
|
1034 if (ngx_handle_write_event(src->write, 0) != NGX_OK) { |
| 1136 | 1035 ngx_mail_proxy_close_session(s); |
| 583 | 1036 return; |
| 1037 } | |
| 1038 | |
|
2388
722b5aff05ae
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parents:
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diff
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|
1039 if (ngx_handle_read_event(src->read, 0) != NGX_OK) { |
| 1136 | 1040 ngx_mail_proxy_close_session(s); |
| 583 | 1041 return; |
| 1042 } | |
| 1043 | |
| 1044 if (c == s->connection) { | |
| 1136 | 1045 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
| 583 | 1046 ngx_add_timer(c->read, pcf->timeout); |
| 1047 } | |
|
418
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parents:
diff
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|
1048 } |
|
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parents:
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|
1049 |
|
cf072d26d6d6
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parents:
diff
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|
1050 |
| 521 | 1051 static void |
| 1136 | 1052 ngx_mail_proxy_upstream_error(ngx_mail_session_t *s) |
| 857 | 1053 { |
| 1054 if (s->proxy->upstream.connection) { | |
| 1136 | 1055 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 1056 "close mail proxy connection: %d", | |
| 857 | 1057 s->proxy->upstream.connection->fd); |
| 1058 | |
| 1059 ngx_close_connection(s->proxy->upstream.connection); | |
| 1060 } | |
| 1061 | |
| 1062 if (s->out.len == 0) { | |
| 1136 | 1063 ngx_mail_session_internal_server_error(s); |
| 857 | 1064 return; |
| 1065 } | |
| 1066 | |
| 1067 s->quit = 1; | |
| 1136 | 1068 ngx_mail_send(s->connection->write); |
| 857 | 1069 } |
| 1070 | |
| 1071 | |
| 1072 static void | |
| 1136 | 1073 ngx_mail_proxy_internal_server_error(ngx_mail_session_t *s) |
| 527 | 1074 { |
| 1075 if (s->proxy->upstream.connection) { | |
| 1136 | 1076 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 1077 "close mail proxy connection: %d", | |
| 527 | 1078 s->proxy->upstream.connection->fd); |
| 1079 | |
| 1080 ngx_close_connection(s->proxy->upstream.connection); | |
| 1081 } | |
| 1082 | |
| 1136 | 1083 ngx_mail_session_internal_server_error(s); |
| 527 | 1084 } |
| 1085 | |
| 1086 | |
| 1087 static void | |
| 1136 | 1088 ngx_mail_proxy_close_session(ngx_mail_session_t *s) |
|
418
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parents:
diff
changeset
|
1089 { |
| 521 | 1090 if (s->proxy->upstream.connection) { |
| 1136 | 1091 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 1092 "close mail proxy connection: %d", | |
| 521 | 1093 s->proxy->upstream.connection->fd); |
| 1094 | |
| 1095 ngx_close_connection(s->proxy->upstream.connection); | |
|
419
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parents:
418
diff
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|
1096 } |
|
47709bff4468
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parents:
418
diff
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|
1097 |
| 1136 | 1098 ngx_mail_close_connection(s->connection); |
|
418
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parents:
diff
changeset
|
1099 } |
| 521 | 1100 |
| 1101 | |
| 1102 static void * | |
| 1136 | 1103 ngx_mail_proxy_create_conf(ngx_conf_t *cf) |
| 577 | 1104 { |
| 1136 | 1105 ngx_mail_proxy_conf_t *pcf; |
| 577 | 1106 |
| 1136 | 1107 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_proxy_conf_t)); |
| 521 | 1108 if (pcf == NULL) { |
|
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2497
diff
changeset
|
1109 return NULL; |
| 521 | 1110 } |
| 1111 | |
| 1112 pcf->enable = NGX_CONF_UNSET; | |
| 857 | 1113 pcf->pass_error_message = NGX_CONF_UNSET; |
| 1136 | 1114 pcf->xclient = NGX_CONF_UNSET; |
| 539 | 1115 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
| 1116 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 521 | 1117 |
| 1118 return pcf; | |
| 1119 } | |
| 1120 | |
| 1121 | |
| 1122 static char * | |
| 1136 | 1123 ngx_mail_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) |
| 521 | 1124 { |
| 1136 | 1125 ngx_mail_proxy_conf_t *prev = parent; |
| 1126 ngx_mail_proxy_conf_t *conf = child; | |
| 521 | 1127 |
| 539 | 1128 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
| 857 | 1129 ngx_conf_merge_value(conf->pass_error_message, prev->pass_error_message, 0); |
| 1136 | 1130 ngx_conf_merge_value(conf->xclient, prev->xclient, 1); |
| 539 | 1131 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, |
| 1132 (size_t) ngx_pagesize); | |
| 1133 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
| 521 | 1134 |
| 1135 return NGX_CONF_OK; | |
| 1136 } |