Mercurial > hg > nginx
annotate src/imap/ngx_imap_proxy_module.c @ 571:458b6c3fea65 release-0.3.7
nginx-0.3.7-RELEASE import
*) Feature: the "access_log" supports the "buffer=" parameter.
*) Bugfix: nginx could not be built on platforms different from i386,
amd64, sparc, and ppc; the bug had appeared in 0.3.2.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 27 Oct 2005 15:46:13 +0000 |
| parents | 818fbd4750b9 |
| children | 4d9ea73a627a |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_connect.h> |
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11 #include <ngx_imap.h> |
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12 |
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13 |
| 521 | 14 typedef struct { |
| 15 ngx_flag_t enable; | |
| 539 | 16 size_t buffer_size; |
| 17 ngx_msec_t timeout; | |
| 521 | 18 } ngx_imap_proxy_conf_t; |
| 19 | |
| 20 | |
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21 static void ngx_imap_proxy_block_read(ngx_event_t *rev); |
| 527 | 22 static void ngx_imap_proxy_imap_handler(ngx_event_t *rev); |
| 23 static void ngx_imap_proxy_pop3_handler(ngx_event_t *rev); | |
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24 static void ngx_imap_proxy_dummy_handler(ngx_event_t *ev); |
| 527 | 25 static ngx_int_t ngx_imap_proxy_read_response(ngx_imap_session_t *s, |
| 26 ngx_uint_t what); | |
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27 static void ngx_imap_proxy_handler(ngx_event_t *ev); |
| 527 | 28 static void ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s); |
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29 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s); |
| 521 | 30 static void *ngx_imap_proxy_create_conf(ngx_conf_t *cf); |
| 31 static char *ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, | |
| 32 void *child); | |
| 33 | |
| 34 | |
| 571 | 35 #define NGX_IMAP_WAIT_OK 0 |
| 36 #define NGX_IMAP_WAIT_NEXT 1 | |
| 527 | 37 |
| 38 | |
| 521 | 39 static ngx_command_t ngx_imap_proxy_commands[] = { |
| 539 | 40 |
| 521 | 41 { ngx_string("proxy"), |
| 42 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_FLAG, | |
| 43 ngx_conf_set_flag_slot, | |
| 44 NGX_IMAP_SRV_CONF_OFFSET, | |
| 45 offsetof(ngx_imap_proxy_conf_t, enable), | |
| 46 NULL }, | |
| 47 | |
| 539 | 48 { ngx_string("proxy_buffer"), |
| 49 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
| 50 ngx_conf_set_size_slot, | |
| 51 NGX_IMAP_SRV_CONF_OFFSET, | |
| 52 offsetof(ngx_imap_proxy_conf_t, buffer_size), | |
| 53 NULL }, | |
| 54 | |
| 55 { ngx_string("proxy_timeout"), | |
| 56 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
| 57 ngx_conf_set_msec_slot, | |
| 58 NGX_IMAP_SRV_CONF_OFFSET, | |
| 59 offsetof(ngx_imap_proxy_conf_t, timeout), | |
| 60 NULL }, | |
| 61 | |
| 521 | 62 ngx_null_command |
| 63 }; | |
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64 |
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65 |
| 521 | 66 static ngx_imap_module_t ngx_imap_proxy_module_ctx = { |
| 67 NULL, /* create main configuration */ | |
| 68 NULL, /* init main configuration */ | |
| 69 | |
| 70 ngx_imap_proxy_create_conf, /* create server configuration */ | |
| 71 ngx_imap_proxy_merge_conf /* merge server configuration */ | |
| 72 }; | |
| 73 | |
| 74 | |
| 75 ngx_module_t ngx_imap_proxy_module = { | |
| 76 NGX_MODULE_V1, | |
| 77 &ngx_imap_proxy_module_ctx, /* module context */ | |
| 78 ngx_imap_proxy_commands, /* module directives */ | |
| 79 NGX_IMAP_MODULE, /* module type */ | |
| 541 | 80 NULL, /* init master */ |
| 521 | 81 NULL, /* init module */ |
| 541 | 82 NULL, /* init process */ |
| 83 NULL, /* init thread */ | |
| 84 NULL, /* exit thread */ | |
| 85 NULL, /* exit process */ | |
| 86 NULL, /* exit master */ | |
| 87 NGX_MODULE_V1_PADDING | |
| 521 | 88 }; |
| 89 | |
| 90 | |
| 91 void | |
| 92 ngx_imap_proxy_init(ngx_imap_session_t *s, ngx_peers_t *peers) | |
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93 { |
| 527 | 94 ngx_int_t rc; |
| 95 ngx_imap_proxy_ctx_t *p; | |
| 96 ngx_imap_core_srv_conf_t *cscf; | |
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97 |
| 501 | 98 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t)); |
| 99 if (p == NULL) { | |
| 527 | 100 ngx_imap_session_internal_server_error(s); |
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101 return; |
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102 } |
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103 |
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104 s->proxy = p; |
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105 |
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106 p->upstream.peers = peers; |
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107 p->upstream.log = s->connection->log; |
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108 p->upstream.log_error = NGX_ERROR_ERR; |
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109 |
| 541 | 110 s->connection->log->action = "in upstream auth state"; |
| 111 | |
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112 rc = ngx_event_connect_peer(&p->upstream); |
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113 |
| 543 | 114 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { |
| 115 ngx_imap_proxy_internal_server_error(s); | |
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116 return; |
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117 } |
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118 |
| 527 | 119 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 120 ngx_add_timer(p->upstream.connection->read, cscf->timeout); | |
| 121 | |
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122 p->upstream.connection->data = s; |
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123 p->upstream.connection->pool = s->connection->pool; |
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124 |
| 509 | 125 s->connection->read->handler = ngx_imap_proxy_block_read; |
| 126 p->upstream.connection->write->handler = ngx_imap_proxy_dummy_handler; | |
| 527 | 127 |
| 128 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
| 129 p->upstream.connection->read->handler = ngx_imap_proxy_pop3_handler; | |
| 130 s->imap_state = ngx_pop3_start; | |
| 131 | |
| 132 } else { | |
| 133 p->upstream.connection->read->handler = ngx_imap_proxy_imap_handler; | |
| 134 s->imap_state = ngx_imap_start; | |
| 135 } | |
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136 } |
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137 |
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138 |
| 521 | 139 static void |
| 140 ngx_imap_proxy_block_read(ngx_event_t *rev) | |
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141 { |
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142 ngx_connection_t *c; |
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143 ngx_imap_session_t *s; |
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144 |
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145 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy block read"); |
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146 |
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147 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
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148 c = rev->data; |
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149 s = c->data; |
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150 |
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151 ngx_imap_proxy_close_session(s); |
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152 } |
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153 } |
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154 |
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155 |
| 521 | 156 static void |
| 527 | 157 ngx_imap_proxy_imap_handler(ngx_event_t *rev) |
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158 { |
| 539 | 159 u_char *p; |
| 160 ngx_int_t rc; | |
| 161 ngx_str_t line; | |
| 162 ngx_connection_t *c; | |
| 163 ngx_imap_session_t *s; | |
| 164 ngx_imap_proxy_conf_t *pcf; | |
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165 |
| 527 | 166 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, |
| 167 "imap proxy imap auth handler"); | |
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168 |
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169 c = rev->data; |
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170 s = c->data; |
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171 |
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172 if (rev->timedout) { |
| 527 | 173 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
| 174 "upstream timed out"); | |
| 175 ngx_imap_proxy_internal_server_error(s); | |
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176 return; |
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177 } |
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178 |
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179 if (s->proxy->buffer == NULL) { |
| 539 | 180 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 527 | 181 |
| 539 | 182 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
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183 if (s->proxy->buffer == NULL) { |
| 527 | 184 ngx_imap_proxy_internal_server_error(s); |
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185 return; |
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186 } |
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187 } |
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188 |
| 527 | 189 rc = ngx_imap_proxy_read_response(s, s->imap_state == ngx_imap_start ? |
| 190 NGX_IMAP_WAIT_OK : NGX_IMAP_WAIT_NEXT); | |
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191 |
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|
192 if (rc == NGX_AGAIN) { |
|
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193 return; |
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194 } |
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|
195 |
| 571 | 196 if (rc == NGX_ERROR) { |
| 527 | 197 ngx_imap_proxy_internal_server_error(s); |
|
422
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198 return; |
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|
199 } |
|
419
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200 |
| 527 | 201 switch (s->imap_state) { |
| 202 | |
| 203 case ngx_imap_start: | |
| 204 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 205 "imap proxy send login"); | |
|
419
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diff
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|
206 |
| 527 | 207 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
| 208 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
| 209 line.data = ngx_palloc(c->pool, line.len); | |
| 210 if (line.data == NULL) { | |
| 211 ngx_imap_proxy_internal_server_error(s); | |
| 212 return; | |
| 213 } | |
| 214 | |
| 215 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
| 216 &s->tag, s->login.len) | |
| 217 - line.data; | |
| 218 | |
| 219 s->imap_state = ngx_imap_login; | |
| 220 break; | |
| 221 | |
| 222 case ngx_imap_login: | |
|
422
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|
223 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); |
|
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diff
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|
224 |
| 529 | 225 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; |
| 527 | 226 line.data = ngx_palloc(c->pool, line.len); |
| 227 if (line.data == NULL) { | |
| 228 ngx_imap_proxy_internal_server_error(s); | |
| 229 return; | |
| 230 } | |
| 231 | |
| 529 | 232 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, |
| 527 | 233 &s->login, s->passwd.len) |
| 234 - line.data; | |
| 235 | |
| 236 s->imap_state = ngx_imap_user; | |
| 237 break; | |
| 238 | |
| 239 case ngx_imap_user: | |
| 240 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 241 "imap proxy send passwd"); | |
| 242 | |
| 243 line.len = s->passwd.len + 2; | |
| 501 | 244 line.data = ngx_palloc(c->pool, line.len); |
| 245 if (line.data == NULL) { | |
| 527 | 246 ngx_imap_proxy_internal_server_error(s); |
| 247 return; | |
| 248 } | |
| 249 | |
| 250 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
| 251 *p++ = CR; *p = LF; | |
| 252 | |
| 253 s->imap_state = ngx_imap_passwd; | |
| 254 break; | |
| 255 | |
| 256 default: | |
| 257 #if (NGX_SUPPRESS_WARN) | |
| 258 line.len = 0; | |
| 259 line.data = NULL; | |
| 260 #endif | |
| 261 break; | |
| 262 } | |
| 263 | |
| 539 | 264 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
| 527 | 265 /* |
| 266 * we treat the incomplete sending as NGX_ERROR | |
| 267 * because it is very strange here | |
| 268 */ | |
| 269 ngx_imap_proxy_internal_server_error(s); | |
| 270 return; | |
| 271 } | |
| 272 | |
| 273 s->proxy->buffer->pos = s->proxy->buffer->start; | |
| 274 s->proxy->buffer->last = s->proxy->buffer->start; | |
| 275 | |
| 276 if (s->imap_state == ngx_imap_passwd) { | |
| 277 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 278 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 279 rev->handler = ngx_imap_proxy_handler; | |
| 280 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 281 |
| 539 | 282 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 283 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 531 | 284 ngx_del_timer(c->read); |
| 541 | 285 |
| 547 | 286 c->log->action = NULL; |
| 287 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
| 288 | |
| 541 | 289 c->log->action = "proxying"; |
| 527 | 290 } |
| 291 } | |
| 292 | |
| 293 | |
| 294 static void | |
| 295 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
| 296 { | |
| 539 | 297 u_char *p; |
| 298 ngx_int_t rc; | |
| 299 ngx_str_t line; | |
| 300 ngx_connection_t *c; | |
| 301 ngx_imap_session_t *s; | |
| 302 ngx_imap_proxy_conf_t *pcf; | |
| 527 | 303 |
| 304 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 305 "imap proxy pop3 auth handler"); | |
| 306 | |
| 307 c = rev->data; | |
| 308 s = c->data; | |
| 309 | |
| 310 if (rev->timedout) { | |
| 311 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
| 312 "upstream timed out"); | |
| 313 ngx_imap_proxy_internal_server_error(s); | |
| 314 return; | |
| 315 } | |
| 316 | |
| 317 if (s->proxy->buffer == NULL) { | |
| 539 | 318 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 527 | 319 |
| 539 | 320 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
| 527 | 321 if (s->proxy->buffer == NULL) { |
| 322 ngx_imap_proxy_internal_server_error(s); | |
| 323 return; | |
| 324 } | |
| 325 } | |
| 326 | |
| 327 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
| 328 | |
| 329 if (rc == NGX_AGAIN) { | |
| 330 return; | |
| 331 } | |
| 332 | |
| 571 | 333 if (rc == NGX_ERROR) { |
| 527 | 334 ngx_imap_proxy_internal_server_error(s); |
| 335 return; | |
| 336 } | |
| 337 | |
| 338 switch (s->imap_state) { | |
| 339 | |
| 340 case ngx_pop3_start: | |
| 341 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
| 342 | |
| 343 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
| 344 line.data = ngx_palloc(c->pool, line.len); | |
| 345 if (line.data == NULL) { | |
| 346 ngx_imap_proxy_internal_server_error(s); | |
|
419
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347 return; |
|
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|
348 } |
|
47709bff4468
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418
diff
changeset
|
349 |
|
422
edaefb2a20fc
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parents:
419
diff
changeset
|
350 p = ngx_cpymem(line.data, "USER ", sizeof("USER ") - 1); |
|
edaefb2a20fc
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parents:
419
diff
changeset
|
351 p = ngx_cpymem(p, s->login.data, s->login.len); |
| 501 | 352 *p++ = CR; *p = LF; |
|
422
edaefb2a20fc
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parents:
419
diff
changeset
|
353 |
| 527 | 354 s->imap_state = ngx_pop3_user; |
| 355 break; | |
| 356 | |
| 357 case ngx_pop3_user: | |
| 358 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
| 359 | |
| 360 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
| 361 line.data = ngx_palloc(c->pool, line.len); | |
| 362 if (line.data == NULL) { | |
| 363 ngx_imap_proxy_internal_server_error(s); | |
|
422
edaefb2a20fc
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
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|
364 return; |
|
419
47709bff4468
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parents:
418
diff
changeset
|
365 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
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parents:
418
diff
changeset
|
366 |
| 527 | 367 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
| 368 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
| 369 *p++ = CR; *p = LF; | |
|
422
edaefb2a20fc
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parents:
419
diff
changeset
|
370 |
| 527 | 371 s->imap_state = ngx_pop3_passwd; |
| 372 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
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parents:
419
diff
changeset
|
373 |
| 527 | 374 default: |
| 375 #if (NGX_SUPPRESS_WARN) | |
| 376 line.len = 0; | |
| 377 line.data = NULL; | |
| 378 #endif | |
| 379 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
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parents:
419
diff
changeset
|
380 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
381 |
| 539 | 382 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
383 /* |
|
edaefb2a20fc
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parents:
419
diff
changeset
|
384 * we treat the incomplete sending as NGX_ERROR |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
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parents:
419
diff
changeset
|
385 * because it is very strange here |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
386 */ |
| 527 | 387 ngx_imap_proxy_internal_server_error(s); |
|
422
edaefb2a20fc
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
388 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
389 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
390 |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
391 s->proxy->buffer->pos = s->proxy->buffer->start; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
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parents:
419
diff
changeset
|
392 s->proxy->buffer->last = s->proxy->buffer->start; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
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parents:
419
diff
changeset
|
393 |
| 527 | 394 if (s->imap_state == ngx_pop3_passwd) { |
| 395 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 396 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 397 rev->handler = ngx_imap_proxy_handler; | |
| 398 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 399 |
| 539 | 400 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 401 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 531 | 402 ngx_del_timer(c->read); |
| 541 | 403 |
| 547 | 404 c->log->action = NULL; |
| 405 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
| 406 | |
| 541 | 407 c->log->action = "proxying"; |
| 527 | 408 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
409 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
410 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
411 |
| 521 | 412 static void |
| 413 ngx_imap_proxy_dummy_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
|
414 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
415 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, ev->log, 0, "imap proxy dummy handler"); |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
416 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
417 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
418 |
| 521 | 419 static ngx_int_t |
| 527 | 420 ngx_imap_proxy_read_response(ngx_imap_session_t *s, ngx_uint_t what) |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
421 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
422 u_char *p; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
423 ssize_t n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
424 ngx_buf_t *b; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
425 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
426 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
|
427 |
| 539 | 428 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, |
| 429 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
|
430 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
431 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
|
432 return NGX_ERROR; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
433 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
434 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
435 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
|
436 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
437 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
438 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
439 b->last += n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
440 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
441 if (b->last - b->pos < 5) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
442 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
443 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
444 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
445 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
|
446 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
|
447 *(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
|
448 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
|
449 "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
|
450 b->pos); |
| 571 | 451 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
|
452 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
453 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
454 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
455 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
456 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
457 p = b->pos; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
458 |
| 527 | 459 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
| 460 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { | |
| 461 return NGX_OK; | |
| 462 } | |
| 463 | |
| 464 } else { | |
| 465 if (what == NGX_IMAP_WAIT_OK) { | |
| 466 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
| 467 return NGX_OK; | |
| 468 } | |
| 469 | |
| 470 } else { | |
| 529 | 471 if (p[0] == '+') { |
| 527 | 472 return NGX_OK; |
| 473 } | |
| 474 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
475 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
476 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
477 *(b->last - 2) = '\0'; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
478 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
| 527 | 479 "upstream sent invalid response: \"%s\"", p); |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
480 |
| 571 | 481 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
|
482 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
483 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
484 |
| 521 | 485 static void |
| 486 ngx_imap_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
|
487 { |
| 547 | 488 char *action; |
| 539 | 489 size_t size; |
| 490 ssize_t n; | |
| 491 ngx_buf_t *b; | |
| 492 ngx_uint_t again, do_write; | |
| 493 ngx_connection_t *c, *src, *dst; | |
| 494 ngx_imap_session_t *s; | |
| 495 ngx_imap_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
|
496 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
497 c = ev->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
498 s = c->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
499 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
500 if (ev->timedout) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
501 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
|
502 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
|
503 "client timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
504 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
505 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
|
506 "upstream timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
507 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
508 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
509 ngx_imap_proxy_close_session(s); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
510 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
511 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
512 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
513 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
|
514 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
515 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
|
516 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
517 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
|
518 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
519 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
520 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
521 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
|
522 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
523 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
524 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
525 } else { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
526 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
527 src = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
528 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
529 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
530 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
531 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
532 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
533 dst = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
534 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
|
535 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
536 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
537 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
538 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
|
539 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
540 ngx_log_debug3(NGX_LOG_DEBUG_IMAP, ev->log, 0, |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
541 "imap proxy handler: %d, #%d > #%d", |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
542 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
|
543 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
544 do { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
545 again = 0; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
546 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
547 if (do_write == 1) { |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
548 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
549 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
|
550 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
551 if (size && dst->write->ready) { |
| 539 | 552 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
|
553 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
554 if (n == NGX_ERROR) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
555 ngx_imap_proxy_close_session(s); |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
556 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
557 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
558 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
559 if (n > 0) { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
560 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
561 b->pos += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
562 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
563 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
|
564 b->pos = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
565 b->last = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
566 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
567 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
568 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
569 if (n == NGX_AGAIN || n < (ssize_t) size) { |
| 452 | 570 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
| 529 | 571 == NGX_ERROR) |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
572 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
573 ngx_imap_proxy_close_session(s); |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
574 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
575 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
576 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
577 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
578 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
579 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
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580 size = b->end - b->last; |
|
47709bff4468
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Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
581 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
582 if (size && src->read->ready) { |
| 539 | 583 n = src->recv(src, b->last, size); |
|
418
cf072d26d6d6
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Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
584 |
| 547 | 585 if (n == NGX_ERROR) { |
| 586 ngx_imap_proxy_close_session(s); | |
| 587 return; | |
| 588 } | |
| 589 | |
| 590 if (n == 0) { | |
| 591 action = c->log->action; | |
| 592 c->log->action = NULL; | |
| 593 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxied session done"); | |
| 594 c->log->action = action; | |
| 595 | |
|
418
cf072d26d6d6
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
596 ngx_imap_proxy_close_session(s); |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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parents:
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597 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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598 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
599 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
600 if (n > 0) { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
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601 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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602 do_write = 1; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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603 b->last += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
604 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
605 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
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changeset
|
606 if (n == NGX_AGAIN || n < (ssize_t) size) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
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607 if (ngx_handle_read_event(src->read, 0) == NGX_ERROR) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
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parents:
418
diff
changeset
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608 ngx_imap_proxy_close_session(s); |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
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609 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
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610 } |
|
47709bff4468
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parents:
418
diff
changeset
|
611 } |
| 539 | 612 |
| 613 if (c == s->connection) { | |
| 614 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); | |
| 615 ngx_add_timer(c->read, pcf->timeout); | |
| 616 } | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
617 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
618 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
619 } while (again); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
620 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
621 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
622 |
| 521 | 623 static void |
| 527 | 624 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
| 625 { | |
| 626 if (s->proxy->upstream.connection) { | |
| 627 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 628 "close imap proxy connection: %d", | |
| 629 s->proxy->upstream.connection->fd); | |
| 630 | |
| 631 ngx_close_connection(s->proxy->upstream.connection); | |
| 632 } | |
| 633 | |
| 634 ngx_imap_session_internal_server_error(s); | |
| 635 } | |
| 636 | |
| 637 | |
| 638 static void | |
| 521 | 639 ngx_imap_proxy_close_session(ngx_imap_session_t *s) |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
640 { |
| 521 | 641 if (s->proxy->upstream.connection) { |
| 642 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 643 "close imap proxy connection: %d", | |
| 644 s->proxy->upstream.connection->fd); | |
| 645 | |
| 646 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
|
647 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
648 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
649 ngx_imap_close_connection(s->connection); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
650 } |
| 521 | 651 |
| 652 | |
| 653 static void * | |
| 654 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
| 655 { | |
| 656 ngx_imap_proxy_conf_t *pcf; | |
| 657 | |
| 658 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); | |
| 659 if (pcf == NULL) { | |
| 660 return NGX_CONF_ERROR; | |
| 661 } | |
| 662 | |
| 663 pcf->enable = NGX_CONF_UNSET; | |
| 539 | 664 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
| 665 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 521 | 666 |
| 667 return pcf; | |
| 668 } | |
| 669 | |
| 670 | |
| 671 static char * | |
| 672 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 673 { | |
| 674 ngx_imap_proxy_conf_t *prev = parent; | |
| 675 ngx_imap_proxy_conf_t *conf = child; | |
| 676 | |
| 539 | 677 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
| 678 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, | |
| 679 (size_t) ngx_pagesize); | |
| 680 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
| 521 | 681 |
| 682 return NGX_CONF_OK; | |
| 683 } |