Mercurial > hg > nginx
annotate src/imap/ngx_imap_proxy_module.c @ 541:b09ee85d0ac8 release-0.1.45
nginx-0.1.45-RELEASE import
*) Change: the "ssl_engine" directive was canceled in the
ngx_http_ssl_module and now is introduced at global level.
*) Bugfix: the responses with SSI subrequests did not transferred via
SSL connection.
*) Various bug fixes in the IMAP/POP3 proxy.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 08 Sep 2005 14:36:09 +0000 |
| parents | 371c1cee100d |
| children | 511a89da35ad |
| 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 | |
| 527 | 35 #define NGX_IMAP_WAIT_OK 0 |
| 36 #define NGX_IMAP_WAIT_NEXT 1 | |
| 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 |
| 541 | 114 if (rc == NGX_ERROR || rc == NGX_CONNECT_ERROR) { |
| 527 | 115 ngx_imap_session_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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diff
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|
195 |
| 529 | 196 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
| 527 | 197 ngx_imap_proxy_internal_server_error(s); |
|
422
edaefb2a20fc
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parents:
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|
198 return; |
|
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parents:
419
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|
199 } |
|
419
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parents:
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diff
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|
200 |
| 529 | 201 if (rc == NGX_IMAP_PROXY_ERROR) { |
| 202 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 203 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 204 rev->handler = ngx_imap_proxy_handler; | |
| 205 c->write->handler = ngx_imap_proxy_handler; | |
| 206 | |
| 207 ngx_imap_proxy_handler(c->read); | |
| 208 return; | |
| 209 } | |
| 210 | |
| 527 | 211 switch (s->imap_state) { |
| 212 | |
| 213 case ngx_imap_start: | |
| 214 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 215 "imap proxy send login"); | |
|
419
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parents:
418
diff
changeset
|
216 |
| 527 | 217 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
| 218 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
| 219 line.data = ngx_palloc(c->pool, line.len); | |
| 220 if (line.data == NULL) { | |
| 221 ngx_imap_proxy_internal_server_error(s); | |
| 222 return; | |
| 223 } | |
| 224 | |
| 225 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
| 226 &s->tag, s->login.len) | |
| 227 - line.data; | |
| 228 | |
| 229 s->imap_state = ngx_imap_login; | |
| 230 break; | |
| 231 | |
| 232 case ngx_imap_login: | |
|
422
edaefb2a20fc
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419
diff
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|
233 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); |
|
edaefb2a20fc
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parents:
419
diff
changeset
|
234 |
| 529 | 235 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; |
| 527 | 236 line.data = ngx_palloc(c->pool, line.len); |
| 237 if (line.data == NULL) { | |
| 238 ngx_imap_proxy_internal_server_error(s); | |
| 239 return; | |
| 240 } | |
| 241 | |
| 529 | 242 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, |
| 527 | 243 &s->login, s->passwd.len) |
| 244 - line.data; | |
| 245 | |
| 246 s->imap_state = ngx_imap_user; | |
| 247 break; | |
| 248 | |
| 249 case ngx_imap_user: | |
| 250 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 251 "imap proxy send passwd"); | |
| 252 | |
| 253 line.len = s->passwd.len + 2; | |
| 501 | 254 line.data = ngx_palloc(c->pool, line.len); |
| 255 if (line.data == NULL) { | |
| 527 | 256 ngx_imap_proxy_internal_server_error(s); |
| 257 return; | |
| 258 } | |
| 259 | |
| 260 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
| 261 *p++ = CR; *p = LF; | |
| 262 | |
| 263 s->imap_state = ngx_imap_passwd; | |
| 264 break; | |
| 265 | |
| 266 default: | |
| 267 #if (NGX_SUPPRESS_WARN) | |
| 268 line.len = 0; | |
| 269 line.data = NULL; | |
| 270 #endif | |
| 271 break; | |
| 272 } | |
| 273 | |
| 539 | 274 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
| 527 | 275 /* |
| 276 * we treat the incomplete sending as NGX_ERROR | |
| 277 * because it is very strange here | |
| 278 */ | |
| 279 ngx_imap_proxy_internal_server_error(s); | |
| 280 return; | |
| 281 } | |
| 282 | |
| 283 s->proxy->buffer->pos = s->proxy->buffer->start; | |
| 284 s->proxy->buffer->last = s->proxy->buffer->start; | |
| 285 | |
| 286 if (s->imap_state == ngx_imap_passwd) { | |
| 287 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 288 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 289 rev->handler = ngx_imap_proxy_handler; | |
| 290 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 291 |
| 539 | 292 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 293 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 531 | 294 ngx_del_timer(c->read); |
| 541 | 295 |
| 296 c->log->action = "proxying"; | |
| 527 | 297 } |
| 298 } | |
| 299 | |
| 300 | |
| 301 static void | |
| 302 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
| 303 { | |
| 539 | 304 u_char *p; |
| 305 ngx_int_t rc; | |
| 306 ngx_str_t line; | |
| 307 ngx_connection_t *c; | |
| 308 ngx_imap_session_t *s; | |
| 309 ngx_imap_proxy_conf_t *pcf; | |
| 527 | 310 |
| 311 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 312 "imap proxy pop3 auth handler"); | |
| 313 | |
| 314 c = rev->data; | |
| 315 s = c->data; | |
| 316 | |
| 317 if (rev->timedout) { | |
| 318 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
| 319 "upstream timed out"); | |
| 320 ngx_imap_proxy_internal_server_error(s); | |
| 321 return; | |
| 322 } | |
| 323 | |
| 324 if (s->proxy->buffer == NULL) { | |
| 539 | 325 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 527 | 326 |
| 539 | 327 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
| 527 | 328 if (s->proxy->buffer == NULL) { |
| 329 ngx_imap_proxy_internal_server_error(s); | |
| 330 return; | |
| 331 } | |
| 332 } | |
| 333 | |
| 334 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
| 335 | |
| 336 if (rc == NGX_AGAIN) { | |
| 337 return; | |
| 338 } | |
| 339 | |
| 529 | 340 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
| 527 | 341 ngx_imap_proxy_internal_server_error(s); |
| 342 return; | |
| 343 } | |
| 344 | |
| 529 | 345 if (rc == NGX_IMAP_PROXY_ERROR) { |
| 346 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 347 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 348 rev->handler = ngx_imap_proxy_handler; | |
| 349 c->write->handler = ngx_imap_proxy_handler; | |
| 350 | |
| 351 ngx_imap_proxy_handler(c->read); | |
| 352 return; | |
| 353 } | |
| 354 | |
| 527 | 355 switch (s->imap_state) { |
| 356 | |
| 357 case ngx_pop3_start: | |
| 358 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
| 359 | |
| 360 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
| 361 line.data = ngx_palloc(c->pool, line.len); | |
| 362 if (line.data == NULL) { | |
| 363 ngx_imap_proxy_internal_server_error(s); | |
|
419
47709bff4468
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parents:
418
diff
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|
364 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
365 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
366 |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
367 p = ngx_cpymem(line.data, "USER ", sizeof("USER ") - 1); |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
368 p = ngx_cpymem(p, s->login.data, s->login.len); |
| 501 | 369 *p++ = CR; *p = LF; |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
370 |
| 527 | 371 s->imap_state = ngx_pop3_user; |
| 372 break; | |
| 373 | |
| 374 case ngx_pop3_user: | |
| 375 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
| 376 | |
| 377 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
| 378 line.data = ngx_palloc(c->pool, line.len); | |
| 379 if (line.data == NULL) { | |
| 380 ngx_imap_proxy_internal_server_error(s); | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
381 return; |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
382 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
383 |
| 527 | 384 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
| 385 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
| 386 *p++ = CR; *p = LF; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
387 |
| 527 | 388 s->imap_state = ngx_pop3_passwd; |
| 389 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
390 |
| 527 | 391 default: |
| 392 #if (NGX_SUPPRESS_WARN) | |
| 393 line.len = 0; | |
| 394 line.data = NULL; | |
| 395 #endif | |
| 396 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
397 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
398 |
| 539 | 399 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
|
400 /* |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
401 * we treat the incomplete sending as NGX_ERROR |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
402 * 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
|
403 */ |
| 527 | 404 ngx_imap_proxy_internal_server_error(s); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
405 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
406 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
407 |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
408 s->proxy->buffer->pos = s->proxy->buffer->start; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
409 s->proxy->buffer->last = s->proxy->buffer->start; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
410 |
| 527 | 411 if (s->imap_state == ngx_pop3_passwd) { |
| 412 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 413 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 414 rev->handler = ngx_imap_proxy_handler; | |
| 415 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 416 |
| 539 | 417 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 418 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 531 | 419 ngx_del_timer(c->read); |
| 541 | 420 |
| 421 c->log->action = "proxying"; | |
| 527 | 422 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
423 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
424 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
425 |
| 521 | 426 static void |
| 427 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
|
428 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
429 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
|
430 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
431 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
432 |
| 521 | 433 static ngx_int_t |
| 527 | 434 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
|
435 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
436 u_char *p; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
437 ssize_t n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
438 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
|
439 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
440 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
|
441 |
| 539 | 442 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, |
| 443 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
|
444 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
445 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
|
446 return NGX_ERROR; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
447 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
448 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
449 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
|
450 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
451 } |
|
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 b->last += n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
454 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
455 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
|
456 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
457 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
458 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
459 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
|
460 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
|
461 *(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
|
462 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
|
463 "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
|
464 b->pos); |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
465 return NGX_IMAP_PROXY_INVALID; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
466 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
467 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
468 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
469 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
470 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
471 p = b->pos; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
472 |
| 527 | 473 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
| 474 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { | |
| 475 return NGX_OK; | |
| 476 } | |
| 477 | |
| 478 if (p[0] == '-' && p[1] == 'E' && p[2] == 'R' && p[3] == 'R') { | |
| 479 return NGX_IMAP_PROXY_ERROR; | |
| 480 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
481 |
| 527 | 482 } else { |
| 529 | 483 if (p[0] == 'N' && p[1] == 'O') { |
| 484 return NGX_IMAP_PROXY_ERROR; | |
| 485 } | |
| 486 | |
| 527 | 487 if (what == NGX_IMAP_WAIT_OK) { |
| 488 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
| 489 return NGX_OK; | |
| 490 } | |
| 491 | |
| 492 } else { | |
| 529 | 493 if (p[0] == '+') { |
| 527 | 494 return NGX_OK; |
| 495 } | |
| 496 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
497 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
498 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
499 *(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
|
500 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
| 527 | 501 "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
|
502 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
503 return NGX_IMAP_PROXY_INVALID; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
504 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
505 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
506 |
| 521 | 507 static void |
| 508 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
|
509 { |
| 539 | 510 size_t size; |
| 511 ssize_t n; | |
| 512 ngx_buf_t *b; | |
| 513 ngx_uint_t again, do_write; | |
| 514 ngx_connection_t *c, *src, *dst; | |
| 515 ngx_imap_session_t *s; | |
| 516 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
|
517 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
518 c = ev->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
519 s = c->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
520 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
521 if (ev->timedout) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
522 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
|
523 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
|
524 "client timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
525 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
526 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
|
527 "upstream timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
528 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
529 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
530 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
|
531 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
532 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
533 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
534 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
|
535 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
536 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
|
537 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
538 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
|
539 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
540 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
541 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
542 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
|
543 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
544 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
545 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
546 } else { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
547 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
548 src = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
549 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
550 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
551 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
552 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
553 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
554 dst = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
555 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
|
556 } |
|
418
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 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
|
560 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
561 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
|
562 "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
|
563 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
|
564 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
565 do { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
566 again = 0; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
567 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
568 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
|
569 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
570 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
|
571 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
572 if (size && dst->write->ready) { |
| 539 | 573 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
|
574 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
575 if (n == NGX_ERROR) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
576 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
|
577 return; |
|
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 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
580 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
|
581 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
582 b->pos += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
583 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
584 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
|
585 b->pos = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
586 b->last = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
587 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
588 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
589 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
590 if (n == NGX_AGAIN || n < (ssize_t) size) { |
| 452 | 591 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
| 529 | 592 == NGX_ERROR) |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
593 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
594 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
|
595 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
596 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
597 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
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 |
|
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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601 size = b->end - b->last; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
602 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
603 if (size && src->read->ready) { |
| 539 | 604 n = src->recv(src, b->last, size); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
605 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
606 if (n == NGX_ERROR || n == 0) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
607 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
|
608 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
609 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
610 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
611 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
|
612 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
613 do_write = 1; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
614 b->last += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
615 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
616 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
617 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
|
618 if (ngx_handle_read_event(src->read, 0) == NGX_ERROR) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
619 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
|
620 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
621 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
622 } |
| 539 | 623 |
| 624 if (c == s->connection) { | |
| 625 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); | |
| 626 ngx_add_timer(c->read, pcf->timeout); | |
| 627 } | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
628 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
629 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
630 } while (again); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
631 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
632 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
633 |
| 521 | 634 static void |
| 527 | 635 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
| 636 { | |
| 637 if (s->proxy->upstream.connection) { | |
| 638 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 639 "close imap proxy connection: %d", | |
| 640 s->proxy->upstream.connection->fd); | |
| 641 | |
| 642 ngx_close_connection(s->proxy->upstream.connection); | |
| 643 } | |
| 644 | |
| 645 ngx_imap_session_internal_server_error(s); | |
| 646 } | |
| 647 | |
| 648 | |
| 649 static void | |
| 521 | 650 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
|
651 { |
| 521 | 652 if (s->proxy->upstream.connection) { |
| 653 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 654 "close imap proxy connection: %d", | |
| 655 s->proxy->upstream.connection->fd); | |
| 656 | |
| 657 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
|
658 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
659 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
660 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
|
661 } |
| 521 | 662 |
| 663 | |
| 664 static void * | |
| 665 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
| 666 { | |
| 667 ngx_imap_proxy_conf_t *pcf; | |
| 668 | |
| 669 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); | |
| 670 if (pcf == NULL) { | |
| 671 return NGX_CONF_ERROR; | |
| 672 } | |
| 673 | |
| 674 pcf->enable = NGX_CONF_UNSET; | |
| 539 | 675 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
| 676 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 521 | 677 |
| 678 return pcf; | |
| 679 } | |
| 680 | |
| 681 | |
| 682 static char * | |
| 683 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 684 { | |
| 685 ngx_imap_proxy_conf_t *prev = parent; | |
| 686 ngx_imap_proxy_conf_t *conf = child; | |
| 687 | |
| 539 | 688 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
| 689 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, | |
| 690 (size_t) ngx_pagesize); | |
| 691 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
| 521 | 692 |
| 693 return NGX_CONF_OK; | |
| 694 } |