Mercurial > hg > nginx
annotate src/imap/ngx_imap_proxy_module.c @ 539:371c1cee100d release-0.1.44
nginx-0.1.44-RELEASE import
*) Feature: the IMAP/POP3 proxy supports SSL.
*) Feature: the "proxy_timeout" directive of the ngx_imap_proxy_module.
*) Feature: the "userid_mark" directive.
*) Feature: the $remote_user variable value is determined independently
of authorization use.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 06 Sep 2005 16:09:32 +0000 |
| parents | c3bd8cdabb8f |
| children | b09ee85d0ac8 |
| rev | line source |
|---|---|
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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 | |
| 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 */ | |
| 80 NULL, /* init module */ | |
| 81 NULL /* init process */ | |
| 82 }; | |
| 83 | |
| 84 | |
| 85 void | |
| 86 ngx_imap_proxy_init(ngx_imap_session_t *s, ngx_peers_t *peers) | |
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87 { |
| 527 | 88 ngx_int_t rc; |
| 89 ngx_imap_proxy_ctx_t *p; | |
| 90 ngx_imap_core_srv_conf_t *cscf; | |
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91 |
| 501 | 92 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t)); |
| 93 if (p == NULL) { | |
| 527 | 94 ngx_imap_session_internal_server_error(s); |
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95 return; |
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96 } |
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97 |
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98 s->proxy = p; |
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99 |
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100 p->upstream.peers = peers; |
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101 p->upstream.log = s->connection->log; |
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102 p->upstream.log_error = NGX_ERROR_ERR; |
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103 |
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104 rc = ngx_event_connect_peer(&p->upstream); |
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105 |
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106 if (rc == NGX_ERROR) { |
| 527 | 107 ngx_imap_session_internal_server_error(s); |
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108 return; |
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109 } |
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110 |
| 527 | 111 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 112 ngx_add_timer(p->upstream.connection->read, cscf->timeout); | |
| 113 | |
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114 p->upstream.connection->data = s; |
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115 p->upstream.connection->pool = s->connection->pool; |
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116 |
| 509 | 117 s->connection->read->handler = ngx_imap_proxy_block_read; |
| 118 p->upstream.connection->write->handler = ngx_imap_proxy_dummy_handler; | |
| 527 | 119 |
| 120 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
| 121 p->upstream.connection->read->handler = ngx_imap_proxy_pop3_handler; | |
| 122 s->imap_state = ngx_pop3_start; | |
| 123 | |
| 124 } else { | |
| 125 p->upstream.connection->read->handler = ngx_imap_proxy_imap_handler; | |
| 126 s->imap_state = ngx_imap_start; | |
| 127 } | |
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128 } |
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129 |
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130 |
| 521 | 131 static void |
| 132 ngx_imap_proxy_block_read(ngx_event_t *rev) | |
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133 { |
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134 ngx_connection_t *c; |
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135 ngx_imap_session_t *s; |
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136 |
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137 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy block read"); |
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138 |
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139 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
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140 c = rev->data; |
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141 s = c->data; |
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142 |
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143 ngx_imap_proxy_close_session(s); |
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144 } |
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145 } |
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146 |
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147 |
| 521 | 148 static void |
| 527 | 149 ngx_imap_proxy_imap_handler(ngx_event_t *rev) |
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150 { |
| 539 | 151 u_char *p; |
| 152 ngx_int_t rc; | |
| 153 ngx_str_t line; | |
| 154 ngx_connection_t *c; | |
| 155 ngx_imap_session_t *s; | |
| 156 ngx_imap_proxy_conf_t *pcf; | |
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157 |
| 527 | 158 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, |
| 159 "imap proxy imap auth handler"); | |
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160 |
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161 c = rev->data; |
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162 s = c->data; |
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163 |
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164 if (rev->timedout) { |
| 527 | 165 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
| 166 "upstream timed out"); | |
| 167 ngx_imap_proxy_internal_server_error(s); | |
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168 return; |
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169 } |
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170 |
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171 if (s->proxy->buffer == NULL) { |
| 539 | 172 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 527 | 173 |
| 539 | 174 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
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175 if (s->proxy->buffer == NULL) { |
| 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 |
| 527 | 181 rc = ngx_imap_proxy_read_response(s, s->imap_state == ngx_imap_start ? |
| 182 NGX_IMAP_WAIT_OK : NGX_IMAP_WAIT_NEXT); | |
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183 |
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184 if (rc == NGX_AGAIN) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
185 return; |
|
47709bff4468
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parents:
418
diff
changeset
|
186 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
187 |
| 529 | 188 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
| 527 | 189 ngx_imap_proxy_internal_server_error(s); |
|
422
edaefb2a20fc
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
190 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
191 } |
|
419
47709bff4468
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parents:
418
diff
changeset
|
192 |
| 529 | 193 if (rc == NGX_IMAP_PROXY_ERROR) { |
| 194 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 195 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 196 rev->handler = ngx_imap_proxy_handler; | |
| 197 c->write->handler = ngx_imap_proxy_handler; | |
| 198 | |
| 199 ngx_imap_proxy_handler(c->read); | |
| 200 return; | |
| 201 } | |
| 202 | |
| 527 | 203 switch (s->imap_state) { |
| 204 | |
| 205 case ngx_imap_start: | |
| 206 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 207 "imap proxy send login"); | |
|
419
47709bff4468
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parents:
418
diff
changeset
|
208 |
| 527 | 209 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
| 210 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
| 211 line.data = ngx_palloc(c->pool, line.len); | |
| 212 if (line.data == NULL) { | |
| 213 ngx_imap_proxy_internal_server_error(s); | |
| 214 return; | |
| 215 } | |
| 216 | |
| 217 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
| 218 &s->tag, s->login.len) | |
| 219 - line.data; | |
| 220 | |
| 221 s->imap_state = ngx_imap_login; | |
| 222 break; | |
| 223 | |
| 224 case ngx_imap_login: | |
|
422
edaefb2a20fc
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parents:
419
diff
changeset
|
225 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); |
|
edaefb2a20fc
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
226 |
| 529 | 227 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; |
| 527 | 228 line.data = ngx_palloc(c->pool, line.len); |
| 229 if (line.data == NULL) { | |
| 230 ngx_imap_proxy_internal_server_error(s); | |
| 231 return; | |
| 232 } | |
| 233 | |
| 529 | 234 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, |
| 527 | 235 &s->login, s->passwd.len) |
| 236 - line.data; | |
| 237 | |
| 238 s->imap_state = ngx_imap_user; | |
| 239 break; | |
| 240 | |
| 241 case ngx_imap_user: | |
| 242 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 243 "imap proxy send passwd"); | |
| 244 | |
| 245 line.len = s->passwd.len + 2; | |
| 501 | 246 line.data = ngx_palloc(c->pool, line.len); |
| 247 if (line.data == NULL) { | |
| 527 | 248 ngx_imap_proxy_internal_server_error(s); |
| 249 return; | |
| 250 } | |
| 251 | |
| 252 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
| 253 *p++ = CR; *p = LF; | |
| 254 | |
| 255 s->imap_state = ngx_imap_passwd; | |
| 256 break; | |
| 257 | |
| 258 default: | |
| 259 #if (NGX_SUPPRESS_WARN) | |
| 260 line.len = 0; | |
| 261 line.data = NULL; | |
| 262 #endif | |
| 263 break; | |
| 264 } | |
| 265 | |
| 539 | 266 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
| 527 | 267 /* |
| 268 * we treat the incomplete sending as NGX_ERROR | |
| 269 * because it is very strange here | |
| 270 */ | |
| 271 ngx_imap_proxy_internal_server_error(s); | |
| 272 return; | |
| 273 } | |
| 274 | |
| 275 s->proxy->buffer->pos = s->proxy->buffer->start; | |
| 276 s->proxy->buffer->last = s->proxy->buffer->start; | |
| 277 | |
| 278 if (s->imap_state == ngx_imap_passwd) { | |
| 279 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 280 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 281 rev->handler = ngx_imap_proxy_handler; | |
| 282 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 283 |
| 539 | 284 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 285 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 531 | 286 ngx_del_timer(c->read); |
| 527 | 287 } |
| 288 } | |
| 289 | |
| 290 | |
| 291 static void | |
| 292 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
| 293 { | |
| 539 | 294 u_char *p; |
| 295 ngx_int_t rc; | |
| 296 ngx_str_t line; | |
| 297 ngx_connection_t *c; | |
| 298 ngx_imap_session_t *s; | |
| 299 ngx_imap_proxy_conf_t *pcf; | |
| 527 | 300 |
| 301 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 302 "imap proxy pop3 auth handler"); | |
| 303 | |
| 304 c = rev->data; | |
| 305 s = c->data; | |
| 306 | |
| 307 if (rev->timedout) { | |
| 308 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
| 309 "upstream timed out"); | |
| 310 ngx_imap_proxy_internal_server_error(s); | |
| 311 return; | |
| 312 } | |
| 313 | |
| 314 if (s->proxy->buffer == NULL) { | |
| 539 | 315 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 527 | 316 |
| 539 | 317 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
| 527 | 318 if (s->proxy->buffer == NULL) { |
| 319 ngx_imap_proxy_internal_server_error(s); | |
| 320 return; | |
| 321 } | |
| 322 } | |
| 323 | |
| 324 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
| 325 | |
| 326 if (rc == NGX_AGAIN) { | |
| 327 return; | |
| 328 } | |
| 329 | |
| 529 | 330 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
| 527 | 331 ngx_imap_proxy_internal_server_error(s); |
| 332 return; | |
| 333 } | |
| 334 | |
| 529 | 335 if (rc == NGX_IMAP_PROXY_ERROR) { |
| 336 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 337 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 338 rev->handler = ngx_imap_proxy_handler; | |
| 339 c->write->handler = ngx_imap_proxy_handler; | |
| 340 | |
| 341 ngx_imap_proxy_handler(c->read); | |
| 342 return; | |
| 343 } | |
| 344 | |
| 527 | 345 switch (s->imap_state) { |
| 346 | |
| 347 case ngx_pop3_start: | |
| 348 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
| 349 | |
| 350 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
| 351 line.data = ngx_palloc(c->pool, line.len); | |
| 352 if (line.data == NULL) { | |
| 353 ngx_imap_proxy_internal_server_error(s); | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
354 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
355 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
356 |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
357 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
|
358 p = ngx_cpymem(p, s->login.data, s->login.len); |
| 501 | 359 *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
|
360 |
| 527 | 361 s->imap_state = ngx_pop3_user; |
| 362 break; | |
| 363 | |
| 364 case ngx_pop3_user: | |
| 365 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
| 366 | |
| 367 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
| 368 line.data = ngx_palloc(c->pool, line.len); | |
| 369 if (line.data == NULL) { | |
| 370 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
|
371 return; |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
372 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
373 |
| 527 | 374 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
| 375 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
| 376 *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
|
377 |
| 527 | 378 s->imap_state = ngx_pop3_passwd; |
| 379 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
380 |
| 527 | 381 default: |
| 382 #if (NGX_SUPPRESS_WARN) | |
| 383 line.len = 0; | |
| 384 line.data = NULL; | |
| 385 #endif | |
| 386 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
387 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
388 |
| 539 | 389 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
|
390 /* |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
391 * 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
|
392 * 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
|
393 */ |
| 527 | 394 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
|
395 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
396 } |
|
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 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
|
399 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
|
400 |
| 527 | 401 if (s->imap_state == ngx_pop3_passwd) { |
| 402 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 403 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 404 rev->handler = ngx_imap_proxy_handler; | |
| 405 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 406 |
| 539 | 407 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
| 408 ngx_add_timer(s->connection->read, pcf->timeout); | |
| 531 | 409 ngx_del_timer(c->read); |
| 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); |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
453 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
|
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 if (p[0] == '-' && p[1] == 'E' && p[2] == 'R' && p[3] == 'R') { | |
| 467 return NGX_IMAP_PROXY_ERROR; | |
| 468 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
469 |
| 527 | 470 } else { |
| 529 | 471 if (p[0] == 'N' && p[1] == 'O') { |
| 472 return NGX_IMAP_PROXY_ERROR; | |
| 473 } | |
| 474 | |
| 527 | 475 if (what == NGX_IMAP_WAIT_OK) { |
| 476 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
| 477 return NGX_OK; | |
| 478 } | |
| 479 | |
| 480 } else { | |
| 529 | 481 if (p[0] == '+') { |
| 527 | 482 return NGX_OK; |
| 483 } | |
| 484 } | |
|
419
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 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
487 *(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
|
488 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
| 527 | 489 "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
|
490 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
491 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
|
492 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
493 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
494 |
| 521 | 495 static void |
| 496 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
|
497 { |
| 539 | 498 size_t size; |
| 499 ssize_t n; | |
| 500 ngx_buf_t *b; | |
| 501 ngx_uint_t again, do_write; | |
| 502 ngx_connection_t *c, *src, *dst; | |
| 503 ngx_imap_session_t *s; | |
| 504 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
|
505 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
506 c = ev->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
507 s = c->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
508 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
509 if (ev->timedout) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
510 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
|
511 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
|
512 "client timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
513 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
514 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
|
515 "upstream timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
516 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
517 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
518 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
|
519 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
520 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
521 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
522 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
|
523 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
524 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
|
525 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
526 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
|
527 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
528 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
529 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
530 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
|
531 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
532 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
533 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
534 } else { |
|
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->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->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->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->proxy->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 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
547 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
|
548 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
549 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
|
550 "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
|
551 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
|
552 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
553 do { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
554 again = 0; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
555 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
556 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
|
557 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
558 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
|
559 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
560 if (size && dst->write->ready) { |
| 539 | 561 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
|
562 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
563 if (n == NGX_ERROR) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
564 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
|
565 return; |
|
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 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
568 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
|
569 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
570 b->pos += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
571 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
572 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
|
573 b->pos = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
574 b->last = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
575 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
576 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
577 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
578 if (n == NGX_AGAIN || n < (ssize_t) size) { |
| 452 | 579 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
| 529 | 580 == NGX_ERROR) |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
581 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
582 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
|
583 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
584 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
585 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
586 } |
|
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
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589 size = b->end - b->last; |
|
47709bff4468
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Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
590 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
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591 if (size && src->read->ready) { |
| 539 | 592 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
|
593 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
594 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
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595 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
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596 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
597 } |
|
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 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
|
600 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
601 do_write = 1; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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602 b->last += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
603 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
604 |
|
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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605 if (n == NGX_AGAIN || n < (ssize_t) size) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
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606 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
|
607 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
|
608 return; |
|
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 } |
| 539 | 611 |
| 612 if (c == s->connection) { | |
| 613 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); | |
| 614 ngx_add_timer(c->read, pcf->timeout); | |
| 615 } | |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
616 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
617 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
618 } while (again); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
619 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
620 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
621 |
| 521 | 622 static void |
| 527 | 623 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
| 624 { | |
| 625 if (s->proxy->upstream.connection) { | |
| 626 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 627 "close imap proxy connection: %d", | |
| 628 s->proxy->upstream.connection->fd); | |
| 629 | |
| 630 ngx_close_connection(s->proxy->upstream.connection); | |
| 631 } | |
| 632 | |
| 633 ngx_imap_session_internal_server_error(s); | |
| 634 } | |
| 635 | |
| 636 | |
| 637 static void | |
| 521 | 638 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
|
639 { |
| 521 | 640 if (s->proxy->upstream.connection) { |
| 641 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 642 "close imap proxy connection: %d", | |
| 643 s->proxy->upstream.connection->fd); | |
| 644 | |
| 645 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
|
646 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
647 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
648 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
|
649 } |
| 521 | 650 |
| 651 | |
| 652 static void * | |
| 653 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
| 654 { | |
| 655 ngx_imap_proxy_conf_t *pcf; | |
| 656 | |
| 657 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); | |
| 658 if (pcf == NULL) { | |
| 659 return NGX_CONF_ERROR; | |
| 660 } | |
| 661 | |
| 662 pcf->enable = NGX_CONF_UNSET; | |
| 539 | 663 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
| 664 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 521 | 665 |
| 666 return pcf; | |
| 667 } | |
| 668 | |
| 669 | |
| 670 static char * | |
| 671 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 672 { | |
| 673 ngx_imap_proxy_conf_t *prev = parent; | |
| 674 ngx_imap_proxy_conf_t *conf = child; | |
| 675 | |
| 539 | 676 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
| 677 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, | |
| 678 (size_t) ngx_pagesize); | |
| 679 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
| 521 | 680 |
| 681 return NGX_CONF_OK; | |
| 682 } |