Mercurial > hg > nginx
annotate src/imap/ngx_imap_proxy_module.c @ 531:c3bd8cdabb8f release-0.1.40
nginx-0.1.40-RELEASE import
*) Bugfix: if a client sent too long header line, then the request
information did not logged in the error log.
*) Bugfix: the "Set-Cookie" header line was not transferred when the
"X-Accel-Redirect" was used; the bug had appeared in 0.1.39.
*) Bugfix: the "Content-Disposition" header line was not transferred
when the "X-Accel-Redirect" was used.
*) Bugfix: the master process did not close the listen socket on the
SIGQUIT signal.
*) Bugfix: after on-line upgrade on Linux and Solaris the process name
became shorter in the "ps" command.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 25 Jul 2005 09:41:38 +0000 |
| parents | e5d7d0334fdb |
| children | 371c1cee100d |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_connect.h> |
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11 #include <ngx_imap.h> |
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12 |
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13 |
| 521 | 14 typedef struct { |
| 15 ngx_flag_t enable; | |
| 16 } ngx_imap_proxy_conf_t; | |
| 17 | |
| 18 | |
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19 static void ngx_imap_proxy_block_read(ngx_event_t *rev); |
| 527 | 20 static void ngx_imap_proxy_imap_handler(ngx_event_t *rev); |
| 21 static void ngx_imap_proxy_pop3_handler(ngx_event_t *rev); | |
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22 static void ngx_imap_proxy_dummy_handler(ngx_event_t *ev); |
| 527 | 23 static ngx_int_t ngx_imap_proxy_read_response(ngx_imap_session_t *s, |
| 24 ngx_uint_t what); | |
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25 static void ngx_imap_proxy_handler(ngx_event_t *ev); |
| 527 | 26 static void ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s); |
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27 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s); |
| 521 | 28 static void *ngx_imap_proxy_create_conf(ngx_conf_t *cf); |
| 29 static char *ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, | |
| 30 void *child); | |
| 31 | |
| 32 | |
| 527 | 33 #define NGX_IMAP_WAIT_OK 0 |
| 34 #define NGX_IMAP_WAIT_NEXT 1 | |
| 35 | |
| 36 | |
| 521 | 37 static ngx_command_t ngx_imap_proxy_commands[] = { |
| 38 { ngx_string("proxy"), | |
| 39 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_FLAG, | |
| 40 ngx_conf_set_flag_slot, | |
| 41 NGX_IMAP_SRV_CONF_OFFSET, | |
| 42 offsetof(ngx_imap_proxy_conf_t, enable), | |
| 43 NULL }, | |
| 44 | |
| 45 ngx_null_command | |
| 46 }; | |
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47 |
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48 |
| 521 | 49 static ngx_imap_module_t ngx_imap_proxy_module_ctx = { |
| 50 NULL, /* create main configuration */ | |
| 51 NULL, /* init main configuration */ | |
| 52 | |
| 53 ngx_imap_proxy_create_conf, /* create server configuration */ | |
| 54 ngx_imap_proxy_merge_conf /* merge server configuration */ | |
| 55 }; | |
| 56 | |
| 57 | |
| 58 ngx_module_t ngx_imap_proxy_module = { | |
| 59 NGX_MODULE_V1, | |
| 60 &ngx_imap_proxy_module_ctx, /* module context */ | |
| 61 ngx_imap_proxy_commands, /* module directives */ | |
| 62 NGX_IMAP_MODULE, /* module type */ | |
| 63 NULL, /* init module */ | |
| 64 NULL /* init process */ | |
| 65 }; | |
| 66 | |
| 67 | |
| 68 void | |
| 69 ngx_imap_proxy_init(ngx_imap_session_t *s, ngx_peers_t *peers) | |
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70 { |
| 527 | 71 ngx_int_t rc; |
| 72 ngx_imap_proxy_ctx_t *p; | |
| 73 ngx_imap_core_srv_conf_t *cscf; | |
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74 |
| 501 | 75 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t)); |
| 76 if (p == NULL) { | |
| 527 | 77 ngx_imap_session_internal_server_error(s); |
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78 return; |
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79 } |
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80 |
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81 s->proxy = p; |
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82 |
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83 p->upstream.peers = peers; |
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84 p->upstream.log = s->connection->log; |
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85 p->upstream.log_error = NGX_ERROR_ERR; |
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86 |
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87 rc = ngx_event_connect_peer(&p->upstream); |
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88 |
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89 if (rc == NGX_ERROR) { |
| 527 | 90 ngx_imap_session_internal_server_error(s); |
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91 return; |
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92 } |
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93 |
| 527 | 94 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 95 ngx_add_timer(p->upstream.connection->read, cscf->timeout); | |
| 96 | |
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97 p->upstream.connection->data = s; |
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98 p->upstream.connection->pool = s->connection->pool; |
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99 |
| 509 | 100 s->connection->read->handler = ngx_imap_proxy_block_read; |
| 101 p->upstream.connection->write->handler = ngx_imap_proxy_dummy_handler; | |
| 527 | 102 |
| 103 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
| 104 p->upstream.connection->read->handler = ngx_imap_proxy_pop3_handler; | |
| 105 s->imap_state = ngx_pop3_start; | |
| 106 | |
| 107 } else { | |
| 108 p->upstream.connection->read->handler = ngx_imap_proxy_imap_handler; | |
| 109 s->imap_state = ngx_imap_start; | |
| 110 } | |
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111 } |
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112 |
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113 |
| 521 | 114 static void |
| 115 ngx_imap_proxy_block_read(ngx_event_t *rev) | |
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116 { |
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117 ngx_connection_t *c; |
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118 ngx_imap_session_t *s; |
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119 |
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120 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy block read"); |
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121 |
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122 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
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123 c = rev->data; |
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124 s = c->data; |
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125 |
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126 ngx_imap_proxy_close_session(s); |
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127 } |
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128 } |
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129 |
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130 |
| 521 | 131 static void |
| 527 | 132 ngx_imap_proxy_imap_handler(ngx_event_t *rev) |
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133 { |
| 527 | 134 u_char *p; |
| 135 ngx_int_t rc; | |
| 136 ngx_str_t line; | |
| 137 ngx_connection_t *c; | |
| 138 ngx_imap_session_t *s; | |
| 139 ngx_imap_core_srv_conf_t *cscf; | |
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140 |
| 527 | 141 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, |
| 142 "imap proxy imap auth handler"); | |
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143 |
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144 c = rev->data; |
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145 s = c->data; |
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146 |
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147 if (rev->timedout) { |
| 527 | 148 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
| 149 "upstream timed out"); | |
| 150 ngx_imap_proxy_internal_server_error(s); | |
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151 return; |
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152 } |
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153 |
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154 if (s->proxy->buffer == NULL) { |
| 527 | 155 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 156 | |
| 157 s->proxy->buffer = ngx_create_temp_buf(c->pool, | |
| 158 cscf->proxy_buffer_size); | |
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159 if (s->proxy->buffer == NULL) { |
| 527 | 160 ngx_imap_proxy_internal_server_error(s); |
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161 return; |
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162 } |
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163 } |
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164 |
| 527 | 165 rc = ngx_imap_proxy_read_response(s, s->imap_state == ngx_imap_start ? |
| 166 NGX_IMAP_WAIT_OK : NGX_IMAP_WAIT_NEXT); | |
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167 |
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168 if (rc == NGX_AGAIN) { |
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169 return; |
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170 } |
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171 |
| 529 | 172 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
| 527 | 173 ngx_imap_proxy_internal_server_error(s); |
|
422
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419
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|
174 return; |
|
edaefb2a20fc
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parents:
419
diff
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|
175 } |
|
419
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parents:
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diff
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|
176 |
| 529 | 177 if (rc == NGX_IMAP_PROXY_ERROR) { |
| 178 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 179 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 180 rev->handler = ngx_imap_proxy_handler; | |
| 181 c->write->handler = ngx_imap_proxy_handler; | |
| 182 | |
| 183 ngx_imap_proxy_handler(c->read); | |
| 184 return; | |
| 185 } | |
| 186 | |
| 527 | 187 switch (s->imap_state) { |
| 188 | |
| 189 case ngx_imap_start: | |
| 190 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 191 "imap proxy send login"); | |
|
419
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parents:
418
diff
changeset
|
192 |
| 527 | 193 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
| 194 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
| 195 line.data = ngx_palloc(c->pool, line.len); | |
| 196 if (line.data == NULL) { | |
| 197 ngx_imap_proxy_internal_server_error(s); | |
| 198 return; | |
| 199 } | |
| 200 | |
| 201 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
| 202 &s->tag, s->login.len) | |
| 203 - line.data; | |
| 204 | |
| 205 s->imap_state = ngx_imap_login; | |
| 206 break; | |
| 207 | |
| 208 case ngx_imap_login: | |
|
422
edaefb2a20fc
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419
diff
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|
209 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
|
210 |
| 529 | 211 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; |
| 527 | 212 line.data = ngx_palloc(c->pool, line.len); |
| 213 if (line.data == NULL) { | |
| 214 ngx_imap_proxy_internal_server_error(s); | |
| 215 return; | |
| 216 } | |
| 217 | |
| 529 | 218 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, |
| 527 | 219 &s->login, s->passwd.len) |
| 220 - line.data; | |
| 221 | |
| 222 s->imap_state = ngx_imap_user; | |
| 223 break; | |
| 224 | |
| 225 case ngx_imap_user: | |
| 226 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 227 "imap proxy send passwd"); | |
| 228 | |
| 229 line.len = s->passwd.len + 2; | |
| 501 | 230 line.data = ngx_palloc(c->pool, line.len); |
| 231 if (line.data == NULL) { | |
| 527 | 232 ngx_imap_proxy_internal_server_error(s); |
| 233 return; | |
| 234 } | |
| 235 | |
| 236 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
| 237 *p++ = CR; *p = LF; | |
| 238 | |
| 239 s->imap_state = ngx_imap_passwd; | |
| 240 break; | |
| 241 | |
| 242 default: | |
| 243 #if (NGX_SUPPRESS_WARN) | |
| 244 line.len = 0; | |
| 245 line.data = NULL; | |
| 246 #endif | |
| 247 break; | |
| 248 } | |
| 249 | |
| 250 if (ngx_send(c, line.data, line.len) < (ssize_t) line.len) { | |
| 251 /* | |
| 252 * we treat the incomplete sending as NGX_ERROR | |
| 253 * because it is very strange here | |
| 254 */ | |
| 255 ngx_imap_proxy_internal_server_error(s); | |
| 256 return; | |
| 257 } | |
| 258 | |
| 259 s->proxy->buffer->pos = s->proxy->buffer->start; | |
| 260 s->proxy->buffer->last = s->proxy->buffer->start; | |
| 261 | |
| 262 if (s->imap_state == ngx_imap_passwd) { | |
| 263 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 264 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 265 rev->handler = ngx_imap_proxy_handler; | |
| 266 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 267 |
| 268 ngx_del_timer(c->read); | |
| 527 | 269 } |
| 270 } | |
| 271 | |
| 272 | |
| 273 static void | |
| 274 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
| 275 { | |
| 276 u_char *p; | |
| 277 ngx_int_t rc; | |
| 278 ngx_str_t line; | |
| 279 ngx_connection_t *c; | |
| 280 ngx_imap_session_t *s; | |
| 281 ngx_imap_core_srv_conf_t *cscf; | |
| 282 | |
| 283 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 284 "imap proxy pop3 auth handler"); | |
| 285 | |
| 286 c = rev->data; | |
| 287 s = c->data; | |
| 288 | |
| 289 if (rev->timedout) { | |
| 290 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
| 291 "upstream timed out"); | |
| 292 ngx_imap_proxy_internal_server_error(s); | |
| 293 return; | |
| 294 } | |
| 295 | |
| 296 if (s->proxy->buffer == NULL) { | |
| 297 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
| 298 | |
| 299 s->proxy->buffer = ngx_create_temp_buf(c->pool, | |
| 300 cscf->proxy_buffer_size); | |
| 301 if (s->proxy->buffer == NULL) { | |
| 302 ngx_imap_proxy_internal_server_error(s); | |
| 303 return; | |
| 304 } | |
| 305 } | |
| 306 | |
| 307 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
| 308 | |
| 309 if (rc == NGX_AGAIN) { | |
| 310 return; | |
| 311 } | |
| 312 | |
| 529 | 313 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
| 527 | 314 ngx_imap_proxy_internal_server_error(s); |
| 315 return; | |
| 316 } | |
| 317 | |
| 529 | 318 if (rc == NGX_IMAP_PROXY_ERROR) { |
| 319 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 320 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 321 rev->handler = ngx_imap_proxy_handler; | |
| 322 c->write->handler = ngx_imap_proxy_handler; | |
| 323 | |
| 324 ngx_imap_proxy_handler(c->read); | |
| 325 return; | |
| 326 } | |
| 327 | |
| 527 | 328 switch (s->imap_state) { |
| 329 | |
| 330 case ngx_pop3_start: | |
| 331 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
| 332 | |
| 333 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
| 334 line.data = ngx_palloc(c->pool, line.len); | |
| 335 if (line.data == NULL) { | |
| 336 ngx_imap_proxy_internal_server_error(s); | |
|
419
47709bff4468
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parents:
418
diff
changeset
|
337 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
338 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
339 |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
340 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
|
341 p = ngx_cpymem(p, s->login.data, s->login.len); |
| 501 | 342 *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
|
343 |
| 527 | 344 s->imap_state = ngx_pop3_user; |
| 345 break; | |
| 346 | |
| 347 case ngx_pop3_user: | |
| 348 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
| 349 | |
| 350 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
| 351 line.data = ngx_palloc(c->pool, line.len); | |
| 352 if (line.data == NULL) { | |
| 353 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
|
354 return; |
|
419
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 |
| 527 | 357 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
| 358 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
| 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_passwd; |
| 362 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
363 |
| 527 | 364 default: |
| 365 #if (NGX_SUPPRESS_WARN) | |
| 366 line.len = 0; | |
| 367 line.data = NULL; | |
| 368 #endif | |
| 369 break; | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
370 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
371 |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
372 if (ngx_send(c, line.data, line.len) < (ssize_t) line.len) { |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
373 /* |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
374 * 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
|
375 * 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
|
376 */ |
| 527 | 377 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
|
378 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
379 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
380 |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
381 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
|
382 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
|
383 |
| 527 | 384 if (s->imap_state == ngx_pop3_passwd) { |
| 385 s->connection->read->handler = ngx_imap_proxy_handler; | |
| 386 s->connection->write->handler = ngx_imap_proxy_handler; | |
| 387 rev->handler = ngx_imap_proxy_handler; | |
| 388 c->write->handler = ngx_imap_proxy_handler; | |
| 531 | 389 |
| 390 ngx_del_timer(c->read); | |
| 527 | 391 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
392 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
393 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
394 |
| 521 | 395 static void |
| 396 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
|
397 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
398 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
|
399 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
400 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
401 |
| 521 | 402 static ngx_int_t |
| 527 | 403 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
|
404 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
405 u_char *p; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
406 ssize_t n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
407 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
|
408 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
409 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
|
410 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
411 n = ngx_recv(s->proxy->upstream.connection, b->last, 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
|
412 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
413 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
|
414 return NGX_ERROR; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
415 } |
|
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 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
|
418 return NGX_AGAIN; |
|
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 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
421 b->last += n; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
422 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
423 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
|
424 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
425 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
426 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
427 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
|
428 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
|
429 *(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
|
430 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
|
431 "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
|
432 b->pos); |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
433 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
|
434 } |
|
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 return NGX_AGAIN; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
437 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
438 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
439 p = b->pos; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
440 |
| 527 | 441 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
| 442 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { | |
| 443 return NGX_OK; | |
| 444 } | |
| 445 | |
| 446 if (p[0] == '-' && p[1] == 'E' && p[2] == 'R' && p[3] == 'R') { | |
| 447 return NGX_IMAP_PROXY_ERROR; | |
| 448 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
449 |
| 527 | 450 } else { |
| 529 | 451 if (p[0] == 'N' && p[1] == 'O') { |
| 452 return NGX_IMAP_PROXY_ERROR; | |
| 453 } | |
| 454 | |
| 527 | 455 if (what == NGX_IMAP_WAIT_OK) { |
| 456 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
| 457 return NGX_OK; | |
| 458 } | |
| 459 | |
| 460 } else { | |
| 529 | 461 if (p[0] == '+') { |
| 527 | 462 return NGX_OK; |
| 463 } | |
| 464 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
465 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
466 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
467 *(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
|
468 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
| 527 | 469 "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
|
470 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
471 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
|
472 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
473 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
474 |
| 521 | 475 static void |
| 476 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
|
477 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
478 size_t size; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
479 ssize_t n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
480 ngx_buf_t *b; |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
481 ngx_uint_t again, do_write; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
482 ngx_connection_t *c, *src, *dst; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
483 ngx_imap_session_t *s; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
484 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
485 c = ev->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
486 s = c->data; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
487 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
488 if (ev->timedout) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
489 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
|
490 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
|
491 "client timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
492 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
493 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
|
494 "upstream timed out"); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
495 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
496 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
497 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
|
498 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
499 } |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
500 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
501 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
|
502 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
503 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
|
504 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
505 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
|
506 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
507 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
508 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
509 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
|
510 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
511 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
512 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
513 } else { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
514 if (ev->write) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
515 src = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
516 dst = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
517 b = s->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
518 |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
519 } else { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
520 src = c; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
521 dst = s->connection; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
522 b = s->proxy->buffer; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
523 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
524 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
525 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
526 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
|
527 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
528 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
|
529 "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
|
530 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
|
531 |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
532 do { |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
533 again = 0; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
534 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
535 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
|
536 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
537 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
|
538 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
539 if (size && dst->write->ready) { |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
540 n = ngx_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
|
541 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
542 if (n == NGX_ERROR) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
543 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
|
544 return; |
|
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 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
|
548 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
549 b->pos += n; |
|
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 (b->pos == b->last) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
552 b->pos = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
553 b->last = b->start; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
554 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
555 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
556 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
557 if (n == NGX_AGAIN || n < (ssize_t) size) { |
| 452 | 558 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
| 529 | 559 == NGX_ERROR) |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
560 { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
561 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
|
562 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
563 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
564 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
565 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
566 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
567 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
568 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
|
569 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
570 if (size && src->read->ready) { |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
571 n = ngx_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
|
572 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
573 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
|
574 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
|
575 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
576 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
577 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
578 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
|
579 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
580 do_write = 1; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
581 b->last += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
582 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
583 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
584 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
|
585 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
|
586 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
|
587 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
588 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
589 } |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
590 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
591 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
592 } while (again); |
|
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 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
595 |
| 521 | 596 static void |
| 527 | 597 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
| 598 { | |
| 599 if (s->proxy->upstream.connection) { | |
| 600 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 601 "close imap proxy connection: %d", | |
| 602 s->proxy->upstream.connection->fd); | |
| 603 | |
| 604 ngx_close_connection(s->proxy->upstream.connection); | |
| 605 } | |
| 606 | |
| 607 ngx_imap_session_internal_server_error(s); | |
| 608 } | |
| 609 | |
| 610 | |
| 611 static void | |
| 521 | 612 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
|
613 { |
| 521 | 614 if (s->proxy->upstream.connection) { |
| 615 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 616 "close imap proxy connection: %d", | |
| 617 s->proxy->upstream.connection->fd); | |
| 618 | |
| 619 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
|
620 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
621 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
622 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
|
623 } |
| 521 | 624 |
| 625 | |
| 626 static void * | |
| 627 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
| 628 { | |
| 629 ngx_imap_proxy_conf_t *pcf; | |
| 630 | |
| 631 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); | |
| 632 if (pcf == NULL) { | |
| 633 return NGX_CONF_ERROR; | |
| 634 } | |
| 635 | |
| 636 pcf->enable = NGX_CONF_UNSET; | |
| 637 | |
| 638 return pcf; | |
| 639 } | |
| 640 | |
| 641 | |
| 642 static char * | |
| 643 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 644 { | |
| 645 ngx_imap_proxy_conf_t *prev = parent; | |
| 646 ngx_imap_proxy_conf_t *conf = child; | |
| 647 | |
| 648 ngx_conf_merge_msec_value(conf->enable, prev->enable, 0); | |
| 649 | |
| 650 return NGX_CONF_OK; | |
| 651 } |