Mercurial > hg > nginx
annotate src/imap/ngx_imap_proxy_module.c @ 577:4d9ea73a627a release-0.3.10
nginx-0.3.10-RELEASE import
*) Change: the "valid_referers" directive and the "$invalid_referer"
variable were moved to the new ngx_http_referer_module from the
ngx_http_rewrite_module.
*) Change: the "$apache_bytes_sent" variable name was changed to
"$body_bytes_sent".
*) Feature: the "$sent_http_..." variables.
*) Feature: the "if" directive supports the "=" and "!=" operations.
*) Feature: the "proxy_pass" directive supports the HTTPS protocol.
*) Feature: the "proxy_set_body" directive.
*) Feature: the "post_action" directive.
*) Feature: the ngx_http_empty_gif_module.
*) Feature: the "worker_cpu_affinity" directive for Linux.
*) Bugfix: the "rewrite" directive did not unescape URI part in
redirect, now it is unescaped except the %00-%25 and %7F-%FF
characters.
*) Bugfix: nginx could not be built by the icc 9.0 compiler.
*) Bugfix: if the SSI was enabled for zero size static file, then the
chunked response was encoded incorrectly.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 15 Nov 2005 13:30:52 +0000 |
| parents | 458b6c3fea65 |
| children | 4e296b7d25bf |
| 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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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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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"); | |
| 577 | 175 c->timedout = 1; |
| 527 | 176 ngx_imap_proxy_internal_server_error(s); |
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177 return; |
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178 } |
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179 |
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180 if (s->proxy->buffer == NULL) { |
| 539 | 181 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 527 | 182 |
| 539 | 183 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
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184 if (s->proxy->buffer == NULL) { |
| 527 | 185 ngx_imap_proxy_internal_server_error(s); |
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186 return; |
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187 } |
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188 } |
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418
diff
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|
189 |
| 527 | 190 rc = ngx_imap_proxy_read_response(s, s->imap_state == ngx_imap_start ? |
| 191 NGX_IMAP_WAIT_OK : NGX_IMAP_WAIT_NEXT); | |
|
419
47709bff4468
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Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
192 |
|
47709bff4468
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|
193 if (rc == NGX_AGAIN) { |
|
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|
194 return; |
|
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|
195 } |
|
47709bff4468
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parents:
418
diff
changeset
|
196 |
| 571 | 197 if (rc == NGX_ERROR) { |
| 527 | 198 ngx_imap_proxy_internal_server_error(s); |
|
422
edaefb2a20fc
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parents:
419
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|
199 return; |
|
edaefb2a20fc
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parents:
419
diff
changeset
|
200 } |
|
419
47709bff4468
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parents:
418
diff
changeset
|
201 |
| 527 | 202 switch (s->imap_state) { |
| 203 | |
| 204 case ngx_imap_start: | |
| 205 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 206 "imap proxy send login"); | |
|
419
47709bff4468
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parents:
418
diff
changeset
|
207 |
| 527 | 208 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
| 209 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
| 210 line.data = ngx_palloc(c->pool, line.len); | |
| 211 if (line.data == NULL) { | |
| 212 ngx_imap_proxy_internal_server_error(s); | |
| 213 return; | |
| 214 } | |
| 215 | |
| 216 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
| 217 &s->tag, s->login.len) | |
| 218 - line.data; | |
| 219 | |
| 220 s->imap_state = ngx_imap_login; | |
| 221 break; | |
| 222 | |
| 223 case ngx_imap_login: | |
|
422
edaefb2a20fc
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parents:
419
diff
changeset
|
224 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); |
|
edaefb2a20fc
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parents:
419
diff
changeset
|
225 |
| 529 | 226 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; |
| 527 | 227 line.data = ngx_palloc(c->pool, line.len); |
| 228 if (line.data == NULL) { | |
| 229 ngx_imap_proxy_internal_server_error(s); | |
| 230 return; | |
| 231 } | |
| 232 | |
| 529 | 233 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, |
| 527 | 234 &s->login, s->passwd.len) |
| 235 - line.data; | |
| 236 | |
| 237 s->imap_state = ngx_imap_user; | |
| 238 break; | |
| 239 | |
| 240 case ngx_imap_user: | |
| 241 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 242 "imap proxy send passwd"); | |
| 243 | |
| 244 line.len = s->passwd.len + 2; | |
| 501 | 245 line.data = ngx_palloc(c->pool, line.len); |
| 246 if (line.data == NULL) { | |
| 527 | 247 ngx_imap_proxy_internal_server_error(s); |
| 248 return; | |
| 249 } | |
| 250 | |
| 251 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
| 252 *p++ = CR; *p = LF; | |
| 253 | |
| 254 s->imap_state = ngx_imap_passwd; | |
| 255 break; | |
| 256 | |
| 257 default: | |
| 258 #if (NGX_SUPPRESS_WARN) | |
| 259 line.len = 0; | |
| 260 line.data = NULL; | |
| 261 #endif | |
| 262 break; | |
| 263 } | |
| 264 | |
| 539 | 265 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
| 527 | 266 /* |
| 267 * we treat the incomplete sending as NGX_ERROR | |
| 268 * because it is very strange here | |
| 269 */ | |
| 270 ngx_imap_proxy_internal_server_error(s); | |
| 271 return; | |
| 272 } | |
| 273 | |
| 274 s->proxy->buffer->pos = s->proxy->buffer->start; | |
| 275 s->proxy->buffer->last = s->proxy->buffer->start; | |
| 276 | |
| 277 if (s->imap_state == ngx_imap_passwd) { | |
| 278 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 279 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 280 rev->handler = ngx_imap_proxy_handler; | |
| 281 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 282 |
| 539 | 283 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 284 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 531 | 285 ngx_del_timer(c->read); |
| 541 | 286 |
| 547 | 287 c->log->action = NULL; |
| 288 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
| 289 | |
| 541 | 290 c->log->action = "proxying"; |
| 527 | 291 } |
| 292 } | |
| 293 | |
| 294 | |
| 295 static void | |
| 296 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
| 297 { | |
| 539 | 298 u_char *p; |
| 299 ngx_int_t rc; | |
| 300 ngx_str_t line; | |
| 301 ngx_connection_t *c; | |
| 302 ngx_imap_session_t *s; | |
| 303 ngx_imap_proxy_conf_t *pcf; | |
| 527 | 304 |
| 305 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 306 "imap proxy pop3 auth handler"); | |
| 307 | |
| 308 c = rev->data; | |
| 309 s = c->data; | |
| 310 | |
| 311 if (rev->timedout) { | |
| 312 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
| 313 "upstream timed out"); | |
| 577 | 314 c->timedout = 1; |
| 527 | 315 ngx_imap_proxy_internal_server_error(s); |
| 316 return; | |
| 317 } | |
| 318 | |
| 319 if (s->proxy->buffer == NULL) { | |
| 539 | 320 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 527 | 321 |
| 539 | 322 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
| 527 | 323 if (s->proxy->buffer == NULL) { |
| 324 ngx_imap_proxy_internal_server_error(s); | |
| 325 return; | |
| 326 } | |
| 327 } | |
| 328 | |
| 329 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
| 330 | |
| 331 if (rc == NGX_AGAIN) { | |
| 332 return; | |
| 333 } | |
| 334 | |
| 571 | 335 if (rc == NGX_ERROR) { |
| 527 | 336 ngx_imap_proxy_internal_server_error(s); |
| 337 return; | |
| 338 } | |
| 339 | |
| 340 switch (s->imap_state) { | |
| 341 | |
| 342 case ngx_pop3_start: | |
| 343 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
| 344 | |
| 345 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
| 346 line.data = ngx_palloc(c->pool, line.len); | |
| 347 if (line.data == NULL) { | |
| 348 ngx_imap_proxy_internal_server_error(s); | |
|
419
47709bff4468
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parents:
418
diff
changeset
|
349 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
350 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
351 |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
352 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
|
353 p = ngx_cpymem(p, s->login.data, s->login.len); |
| 501 | 354 *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
|
355 |
| 527 | 356 s->imap_state = ngx_pop3_user; |
| 357 break; | |
| 358 | |
| 359 case ngx_pop3_user: | |
| 360 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
| 361 | |
| 362 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
| 363 line.data = ngx_palloc(c->pool, line.len); | |
| 364 if (line.data == NULL) { | |
| 365 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
|
366 return; |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
367 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
368 |
| 527 | 369 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
| 370 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
| 371 *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
|
372 |
| 527 | 373 s->imap_state = ngx_pop3_passwd; |
| 374 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
375 |
| 527 | 376 default: |
| 377 #if (NGX_SUPPRESS_WARN) | |
| 378 line.len = 0; | |
| 379 line.data = NULL; | |
| 380 #endif | |
| 381 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
382 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
383 |
| 539 | 384 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
|
385 /* |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
386 * 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
|
387 * 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
|
388 */ |
| 527 | 389 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
|
390 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
391 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
392 |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
393 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
|
394 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
|
395 |
| 527 | 396 if (s->imap_state == ngx_pop3_passwd) { |
| 397 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 398 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 399 rev->handler = ngx_imap_proxy_handler; | |
| 400 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 401 |
| 539 | 402 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 403 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 531 | 404 ngx_del_timer(c->read); |
| 541 | 405 |
| 547 | 406 c->log->action = NULL; |
| 407 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
| 408 | |
| 541 | 409 c->log->action = "proxying"; |
| 527 | 410 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
411 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
412 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
413 |
| 521 | 414 static void |
| 415 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
|
416 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
417 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
|
418 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
419 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
420 |
| 521 | 421 static ngx_int_t |
| 527 | 422 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
|
423 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
424 u_char *p; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
425 ssize_t n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
426 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
|
427 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
428 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
|
429 |
| 539 | 430 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, |
| 431 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
|
432 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
433 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
|
434 return NGX_ERROR; |
|
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 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
437 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
|
438 return NGX_AGAIN; |
|
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 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
441 b->last += n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
442 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
443 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
|
444 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
445 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
446 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
447 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
|
448 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
|
449 *(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
|
450 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
|
451 "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
|
452 b->pos); |
| 571 | 453 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
|
454 } |
|
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 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 p = b->pos; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
460 |
| 527 | 461 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
| 462 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { | |
| 463 return NGX_OK; | |
| 464 } | |
| 465 | |
| 466 } else { | |
| 467 if (what == NGX_IMAP_WAIT_OK) { | |
| 468 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
| 469 return NGX_OK; | |
| 470 } | |
| 471 | |
| 472 } else { | |
| 529 | 473 if (p[0] == '+') { |
| 527 | 474 return NGX_OK; |
| 475 } | |
| 476 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
477 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
478 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
479 *(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
|
480 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
| 527 | 481 "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
|
482 |
| 571 | 483 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
|
484 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
485 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
486 |
| 521 | 487 static void |
| 488 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
|
489 { |
| 547 | 490 char *action; |
| 539 | 491 size_t size; |
| 492 ssize_t n; | |
| 493 ngx_buf_t *b; | |
| 494 ngx_uint_t again, do_write; | |
| 495 ngx_connection_t *c, *src, *dst; | |
| 496 ngx_imap_session_t *s; | |
| 497 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
|
498 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
499 c = ev->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
500 s = c->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
501 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
502 if (ev->timedout) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
503 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
|
504 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
|
505 "client timed out"); |
| 577 | 506 c->timedout = 1; |
| 507 | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
508 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
509 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
|
510 "upstream timed out"); |
|
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 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
513 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
|
514 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
515 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
516 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
517 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
|
518 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
519 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
|
520 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
521 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
|
522 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
523 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
524 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
525 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
|
526 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
527 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
528 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
529 } else { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
530 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
531 src = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
532 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
533 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
534 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
535 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
536 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
537 dst = s->connection; |
|
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 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
540 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
541 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
542 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
|
543 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
544 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
|
545 "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
|
546 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
|
547 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
548 do { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
549 again = 0; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
550 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
551 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
|
552 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
553 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
|
554 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
555 if (size && dst->write->ready) { |
| 539 | 556 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
|
557 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
558 if (n == NGX_ERROR) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
559 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
|
560 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
561 } |
|
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 (n > 0) { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
564 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
565 b->pos += n; |
|
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 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
|
568 b->pos = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
569 b->last = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
570 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
571 } |
|
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 if (n == NGX_AGAIN || n < (ssize_t) size) { |
| 452 | 574 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
| 529 | 575 == NGX_ERROR) |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
576 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
577 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
|
578 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
579 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
580 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
581 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
582 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
583 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
584 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
|
585 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
586 if (size && src->read->ready) { |
| 539 | 587 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
|
588 |
| 547 | 589 if (n == NGX_ERROR) { |
| 590 ngx_imap_proxy_close_session(s); | |
| 591 return; | |
| 592 } | |
| 593 | |
| 594 if (n == 0) { | |
| 595 action = c->log->action; | |
| 596 c->log->action = NULL; | |
| 597 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxied session done"); | |
| 598 c->log->action = action; | |
| 599 | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
600 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
|
601 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
602 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
603 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
604 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
|
605 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
606 do_write = 1; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
607 b->last += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
608 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
609 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
610 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
|
611 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
|
612 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
|
613 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
614 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
615 } |
| 539 | 616 |
| 617 if (c == s->connection) { | |
| 618 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); | |
| 619 ngx_add_timer(c->read, pcf->timeout); | |
| 620 } | |
|
418
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 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
623 } while (again); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
624 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
625 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
626 |
| 521 | 627 static void |
| 527 | 628 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
| 629 { | |
| 630 if (s->proxy->upstream.connection) { | |
| 631 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 632 "close imap proxy connection: %d", | |
| 633 s->proxy->upstream.connection->fd); | |
| 634 | |
| 635 ngx_close_connection(s->proxy->upstream.connection); | |
| 636 } | |
| 637 | |
| 638 ngx_imap_session_internal_server_error(s); | |
| 639 } | |
| 640 | |
| 641 | |
| 642 static void | |
| 521 | 643 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
|
644 { |
| 521 | 645 if (s->proxy->upstream.connection) { |
| 646 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 647 "close imap proxy connection: %d", | |
| 648 s->proxy->upstream.connection->fd); | |
| 649 | |
| 650 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
|
651 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
652 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
653 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
|
654 } |
| 521 | 655 |
| 656 | |
| 657 static void * | |
| 658 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
| 577 | 659 { |
| 521 | 660 ngx_imap_proxy_conf_t *pcf; |
| 577 | 661 |
| 521 | 662 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); |
| 663 if (pcf == NULL) { | |
| 664 return NGX_CONF_ERROR; | |
| 665 } | |
| 666 | |
| 667 pcf->enable = NGX_CONF_UNSET; | |
| 539 | 668 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
| 669 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 521 | 670 |
| 671 return pcf; | |
| 672 } | |
| 673 | |
| 674 | |
| 675 static char * | |
| 676 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 677 { | |
| 678 ngx_imap_proxy_conf_t *prev = parent; | |
| 679 ngx_imap_proxy_conf_t *conf = child; | |
| 680 | |
| 539 | 681 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
| 682 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, | |
| 683 (size_t) ngx_pagesize); | |
| 684 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
| 521 | 685 |
| 686 return NGX_CONF_OK; | |
| 687 } |