Mercurial > hg > nginx
annotate src/imap/ngx_imap_proxy_module.c @ 547:818fbd4750b9 release-0.2.2
nginx-0.2.2-RELEASE import
*) Feature: the "config errmsg" command of the ngx_http_ssi_module.
*) Change: the ngx_http_geo_module variables can be overridden by the
"set" directive.
*) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers"
directives of the ngx_http_ssl_module and ngx_imap_ssl_module.
*) Bugfix: the ngx_http_autoindex_module did not show correctly the
long file names;
*) Bugfix: the ngx_http_autoindex_module now do not show the files
starting by dot.
*) Bugfix: if the SSL handshake failed then another connection may be
closed too.
Thanks to Rob Mueller.
*) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 30 Sep 2005 14:41:25 +0000 |
parents | 511a89da35ad |
children | 458b6c3fea65 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_connect.h> |
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11 #include <ngx_imap.h> |
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13 |
521 | 14 typedef struct { |
15 ngx_flag_t enable; | |
539 | 16 size_t buffer_size; |
17 ngx_msec_t timeout; | |
521 | 18 } ngx_imap_proxy_conf_t; |
19 | |
20 | |
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21 static void ngx_imap_proxy_block_read(ngx_event_t *rev); |
527 | 22 static void ngx_imap_proxy_imap_handler(ngx_event_t *rev); |
23 static void ngx_imap_proxy_pop3_handler(ngx_event_t *rev); | |
419
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24 static void ngx_imap_proxy_dummy_handler(ngx_event_t *ev); |
527 | 25 static ngx_int_t ngx_imap_proxy_read_response(ngx_imap_session_t *s, |
26 ngx_uint_t what); | |
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27 static void ngx_imap_proxy_handler(ngx_event_t *ev); |
527 | 28 static void ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s); |
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29 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s); |
521 | 30 static void *ngx_imap_proxy_create_conf(ngx_conf_t *cf); |
31 static char *ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, | |
32 void *child); | |
33 | |
34 | |
527 | 35 #define NGX_IMAP_WAIT_OK 0 |
36 #define NGX_IMAP_WAIT_NEXT 1 | |
37 | |
38 | |
521 | 39 static ngx_command_t ngx_imap_proxy_commands[] = { |
539 | 40 |
521 | 41 { ngx_string("proxy"), |
42 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_FLAG, | |
43 ngx_conf_set_flag_slot, | |
44 NGX_IMAP_SRV_CONF_OFFSET, | |
45 offsetof(ngx_imap_proxy_conf_t, enable), | |
46 NULL }, | |
47 | |
539 | 48 { ngx_string("proxy_buffer"), |
49 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
50 ngx_conf_set_size_slot, | |
51 NGX_IMAP_SRV_CONF_OFFSET, | |
52 offsetof(ngx_imap_proxy_conf_t, buffer_size), | |
53 NULL }, | |
54 | |
55 { ngx_string("proxy_timeout"), | |
56 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
57 ngx_conf_set_msec_slot, | |
58 NGX_IMAP_SRV_CONF_OFFSET, | |
59 offsetof(ngx_imap_proxy_conf_t, timeout), | |
60 NULL }, | |
61 | |
521 | 62 ngx_null_command |
63 }; | |
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64 |
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65 |
521 | 66 static ngx_imap_module_t ngx_imap_proxy_module_ctx = { |
67 NULL, /* create main configuration */ | |
68 NULL, /* init main configuration */ | |
69 | |
70 ngx_imap_proxy_create_conf, /* create server configuration */ | |
71 ngx_imap_proxy_merge_conf /* merge server configuration */ | |
72 }; | |
73 | |
74 | |
75 ngx_module_t ngx_imap_proxy_module = { | |
76 NGX_MODULE_V1, | |
77 &ngx_imap_proxy_module_ctx, /* module context */ | |
78 ngx_imap_proxy_commands, /* module directives */ | |
79 NGX_IMAP_MODULE, /* module type */ | |
541 | 80 NULL, /* init master */ |
521 | 81 NULL, /* init module */ |
541 | 82 NULL, /* init process */ |
83 NULL, /* init thread */ | |
84 NULL, /* exit thread */ | |
85 NULL, /* exit process */ | |
86 NULL, /* exit master */ | |
87 NGX_MODULE_V1_PADDING | |
521 | 88 }; |
89 | |
90 | |
91 void | |
92 ngx_imap_proxy_init(ngx_imap_session_t *s, ngx_peers_t *peers) | |
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93 { |
527 | 94 ngx_int_t rc; |
95 ngx_imap_proxy_ctx_t *p; | |
96 ngx_imap_core_srv_conf_t *cscf; | |
419
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97 |
501 | 98 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t)); |
99 if (p == NULL) { | |
527 | 100 ngx_imap_session_internal_server_error(s); |
419
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101 return; |
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102 } |
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103 |
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104 s->proxy = p; |
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105 |
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106 p->upstream.peers = peers; |
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107 p->upstream.log = s->connection->log; |
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108 p->upstream.log_error = NGX_ERROR_ERR; |
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109 |
541 | 110 s->connection->log->action = "in upstream auth state"; |
111 | |
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112 rc = ngx_event_connect_peer(&p->upstream); |
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113 |
543 | 114 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { |
115 ngx_imap_proxy_internal_server_error(s); | |
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116 return; |
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117 } |
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118 |
527 | 119 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
120 ngx_add_timer(p->upstream.connection->read, cscf->timeout); | |
121 | |
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122 p->upstream.connection->data = s; |
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123 p->upstream.connection->pool = s->connection->pool; |
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124 |
509 | 125 s->connection->read->handler = ngx_imap_proxy_block_read; |
126 p->upstream.connection->write->handler = ngx_imap_proxy_dummy_handler; | |
527 | 127 |
128 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
129 p->upstream.connection->read->handler = ngx_imap_proxy_pop3_handler; | |
130 s->imap_state = ngx_pop3_start; | |
131 | |
132 } else { | |
133 p->upstream.connection->read->handler = ngx_imap_proxy_imap_handler; | |
134 s->imap_state = ngx_imap_start; | |
135 } | |
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136 } |
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137 |
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138 |
521 | 139 static void |
140 ngx_imap_proxy_block_read(ngx_event_t *rev) | |
419
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141 { |
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142 ngx_connection_t *c; |
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143 ngx_imap_session_t *s; |
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144 |
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145 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy block read"); |
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146 |
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147 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
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148 c = rev->data; |
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149 s = c->data; |
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150 |
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151 ngx_imap_proxy_close_session(s); |
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152 } |
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153 } |
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154 |
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155 |
521 | 156 static void |
527 | 157 ngx_imap_proxy_imap_handler(ngx_event_t *rev) |
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158 { |
547 | 159 char *action; |
539 | 160 u_char *p; |
161 ngx_int_t rc; | |
162 ngx_str_t line; | |
163 ngx_connection_t *c; | |
164 ngx_imap_session_t *s; | |
165 ngx_imap_proxy_conf_t *pcf; | |
419
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166 |
527 | 167 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, |
168 "imap proxy imap auth handler"); | |
419
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169 |
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170 c = rev->data; |
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171 s = c->data; |
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172 |
423
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173 if (rev->timedout) { |
527 | 174 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
175 "upstream timed out"); | |
176 ngx_imap_proxy_internal_server_error(s); | |
423
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177 return; |
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178 } |
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179 |
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180 if (s->proxy->buffer == NULL) { |
539 | 181 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
527 | 182 |
539 | 183 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
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184 if (s->proxy->buffer == NULL) { |
527 | 185 ngx_imap_proxy_internal_server_error(s); |
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186 return; |
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187 } |
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188 } |
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189 |
527 | 190 rc = ngx_imap_proxy_read_response(s, s->imap_state == ngx_imap_start ? |
191 NGX_IMAP_WAIT_OK : NGX_IMAP_WAIT_NEXT); | |
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192 |
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193 if (rc == NGX_AGAIN) { |
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194 return; |
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195 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
196 |
529 | 197 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
527 | 198 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
|
199 return; |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
200 } |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
201 |
529 | 202 if (rc == NGX_IMAP_PROXY_ERROR) { |
203 s->connection->read->handler = ngx_imap_proxy_handler; | |
204 s->connection->write->handler = ngx_imap_proxy_handler; | |
205 rev->handler = ngx_imap_proxy_handler; | |
206 c->write->handler = ngx_imap_proxy_handler; | |
207 | |
208 ngx_imap_proxy_handler(c->read); | |
209 return; | |
210 } | |
211 | |
527 | 212 switch (s->imap_state) { |
213 | |
214 case ngx_imap_start: | |
215 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
216 "imap proxy send login"); | |
419
47709bff4468
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Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
217 |
527 | 218 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
219 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
220 line.data = ngx_palloc(c->pool, line.len); | |
221 if (line.data == NULL) { | |
222 ngx_imap_proxy_internal_server_error(s); | |
223 return; | |
224 } | |
225 | |
226 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
227 &s->tag, s->login.len) | |
228 - line.data; | |
229 | |
230 s->imap_state = ngx_imap_login; | |
231 break; | |
232 | |
233 case ngx_imap_login: | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
234 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
235 |
529 | 236 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; |
527 | 237 line.data = ngx_palloc(c->pool, line.len); |
238 if (line.data == NULL) { | |
239 ngx_imap_proxy_internal_server_error(s); | |
240 return; | |
241 } | |
242 | |
529 | 243 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, |
527 | 244 &s->login, s->passwd.len) |
245 - line.data; | |
246 | |
247 s->imap_state = ngx_imap_user; | |
248 break; | |
249 | |
250 case ngx_imap_user: | |
251 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
252 "imap proxy send passwd"); | |
253 | |
254 line.len = s->passwd.len + 2; | |
501 | 255 line.data = ngx_palloc(c->pool, line.len); |
256 if (line.data == NULL) { | |
527 | 257 ngx_imap_proxy_internal_server_error(s); |
258 return; | |
259 } | |
260 | |
261 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
262 *p++ = CR; *p = LF; | |
263 | |
264 s->imap_state = ngx_imap_passwd; | |
265 break; | |
266 | |
267 default: | |
268 #if (NGX_SUPPRESS_WARN) | |
269 line.len = 0; | |
270 line.data = NULL; | |
271 #endif | |
272 break; | |
273 } | |
274 | |
539 | 275 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
527 | 276 /* |
277 * we treat the incomplete sending as NGX_ERROR | |
278 * because it is very strange here | |
279 */ | |
280 ngx_imap_proxy_internal_server_error(s); | |
281 return; | |
282 } | |
283 | |
284 s->proxy->buffer->pos = s->proxy->buffer->start; | |
285 s->proxy->buffer->last = s->proxy->buffer->start; | |
286 | |
287 if (s->imap_state == ngx_imap_passwd) { | |
288 s->connection->read->handler = ngx_imap_proxy_handler; | |
289 s->connection->write->handler = ngx_imap_proxy_handler; | |
290 rev->handler = ngx_imap_proxy_handler; | |
291 c->write->handler = ngx_imap_proxy_handler; | |
531 | 292 |
539 | 293 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
294 ngx_add_timer(s->connection->read, pcf->timeout); | |
531 | 295 ngx_del_timer(c->read); |
541 | 296 |
547 | 297 action = c->log->action; |
298 c->log->action = NULL; | |
299 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
300 c->log->action = action; | |
301 | |
541 | 302 c->log->action = "proxying"; |
527 | 303 } |
304 } | |
305 | |
306 | |
307 static void | |
308 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
309 { | |
547 | 310 char *action; |
539 | 311 u_char *p; |
312 ngx_int_t rc; | |
313 ngx_str_t line; | |
314 ngx_connection_t *c; | |
315 ngx_imap_session_t *s; | |
316 ngx_imap_proxy_conf_t *pcf; | |
527 | 317 |
318 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
319 "imap proxy pop3 auth handler"); | |
320 | |
321 c = rev->data; | |
322 s = c->data; | |
323 | |
324 if (rev->timedout) { | |
325 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
326 "upstream timed out"); | |
327 ngx_imap_proxy_internal_server_error(s); | |
328 return; | |
329 } | |
330 | |
331 if (s->proxy->buffer == NULL) { | |
539 | 332 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
527 | 333 |
539 | 334 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
527 | 335 if (s->proxy->buffer == NULL) { |
336 ngx_imap_proxy_internal_server_error(s); | |
337 return; | |
338 } | |
339 } | |
340 | |
341 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
342 | |
343 if (rc == NGX_AGAIN) { | |
344 return; | |
345 } | |
346 | |
529 | 347 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
527 | 348 ngx_imap_proxy_internal_server_error(s); |
349 return; | |
350 } | |
351 | |
529 | 352 if (rc == NGX_IMAP_PROXY_ERROR) { |
353 s->connection->read->handler = ngx_imap_proxy_handler; | |
354 s->connection->write->handler = ngx_imap_proxy_handler; | |
355 rev->handler = ngx_imap_proxy_handler; | |
356 c->write->handler = ngx_imap_proxy_handler; | |
357 | |
358 ngx_imap_proxy_handler(c->read); | |
359 return; | |
360 } | |
361 | |
527 | 362 switch (s->imap_state) { |
363 | |
364 case ngx_pop3_start: | |
365 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
366 | |
367 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
368 line.data = ngx_palloc(c->pool, line.len); | |
369 if (line.data == NULL) { | |
370 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
|
371 return; |
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 |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
374 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
|
375 p = ngx_cpymem(p, s->login.data, s->login.len); |
501 | 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_user; |
379 break; | |
380 | |
381 case ngx_pop3_user: | |
382 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
383 | |
384 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
385 line.data = ngx_palloc(c->pool, line.len); | |
386 if (line.data == NULL) { | |
387 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
|
388 return; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
389 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
390 |
527 | 391 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
392 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
393 *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
|
394 |
527 | 395 s->imap_state = ngx_pop3_passwd; |
396 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
397 |
527 | 398 default: |
399 #if (NGX_SUPPRESS_WARN) | |
400 line.len = 0; | |
401 line.data = NULL; | |
402 #endif | |
403 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
404 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
405 |
539 | 406 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
|
407 /* |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
408 * 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
|
409 * 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
|
410 */ |
527 | 411 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
|
412 return; |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
413 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
414 |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
415 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
|
416 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
|
417 |
527 | 418 if (s->imap_state == ngx_pop3_passwd) { |
419 s->connection->read->handler = ngx_imap_proxy_handler; | |
420 s->connection->write->handler = ngx_imap_proxy_handler; | |
421 rev->handler = ngx_imap_proxy_handler; | |
422 c->write->handler = ngx_imap_proxy_handler; | |
531 | 423 |
539 | 424 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
425 ngx_add_timer(s->connection->read, pcf->timeout); | |
531 | 426 ngx_del_timer(c->read); |
541 | 427 |
547 | 428 action = c->log->action; |
429 c->log->action = NULL; | |
430 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
431 c->log->action = action; | |
432 | |
541 | 433 c->log->action = "proxying"; |
527 | 434 } |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
435 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
436 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
437 |
521 | 438 static void |
439 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
|
440 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
441 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
|
442 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
443 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
444 |
521 | 445 static ngx_int_t |
527 | 446 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
|
447 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
448 u_char *p; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
449 ssize_t n; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
450 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
|
451 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
452 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
|
453 |
539 | 454 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, |
455 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
|
456 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
457 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
|
458 return NGX_ERROR; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
459 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
460 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
461 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
|
462 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
463 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
464 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
465 b->last += n; |
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 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
|
468 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
469 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
470 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
471 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
|
472 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
|
473 *(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
|
474 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
|
475 "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
|
476 b->pos); |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
477 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
|
478 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
479 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
480 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
481 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
482 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
483 p = b->pos; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
484 |
527 | 485 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
486 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { | |
487 return NGX_OK; | |
488 } | |
489 | |
490 if (p[0] == '-' && p[1] == 'E' && p[2] == 'R' && p[3] == 'R') { | |
491 return NGX_IMAP_PROXY_ERROR; | |
492 } | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
493 |
527 | 494 } else { |
529 | 495 if (p[0] == 'N' && p[1] == 'O') { |
496 return NGX_IMAP_PROXY_ERROR; | |
497 } | |
498 | |
527 | 499 if (what == NGX_IMAP_WAIT_OK) { |
500 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
501 return NGX_OK; | |
502 } | |
503 | |
504 } else { | |
529 | 505 if (p[0] == '+') { |
527 | 506 return NGX_OK; |
507 } | |
508 } | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
509 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
510 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
511 *(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
|
512 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
527 | 513 "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
|
514 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
515 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
|
516 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
517 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
518 |
521 | 519 static void |
520 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
|
521 { |
547 | 522 char *action; |
539 | 523 size_t size; |
524 ssize_t n; | |
525 ngx_buf_t *b; | |
526 ngx_uint_t again, do_write; | |
527 ngx_connection_t *c, *src, *dst; | |
528 ngx_imap_session_t *s; | |
529 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
|
530 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
531 c = ev->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
532 s = c->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
533 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
534 if (ev->timedout) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
535 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
|
536 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
|
537 "client timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
538 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
539 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
|
540 "upstream timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
541 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
542 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
543 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
|
544 return; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
545 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
546 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
547 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
|
548 if (ev->write) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
549 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
|
550 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
551 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
|
552 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
553 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
554 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
555 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
|
556 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
557 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
558 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
559 } else { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
560 if (ev->write) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
561 src = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
562 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
563 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
564 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
565 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
566 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
567 dst = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
568 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
|
569 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
570 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
571 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
572 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
|
573 |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
574 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
|
575 "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
|
576 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
|
577 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
578 do { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
579 again = 0; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
580 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
581 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
|
582 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
583 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
|
584 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
585 if (size && dst->write->ready) { |
539 | 586 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
|
587 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
588 if (n == NGX_ERROR) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
589 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
|
590 return; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
591 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
592 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
593 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
|
594 again = 1; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
595 b->pos += n; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
596 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
597 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
|
598 b->pos = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
599 b->last = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
600 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
601 } |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
602 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
603 if (n == NGX_AGAIN || n < (ssize_t) size) { |
452 | 604 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
529 | 605 == NGX_ERROR) |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
606 { |
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 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
611 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
612 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
613 |
419
47709bff4468
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614 size = b->end - b->last; |
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615 |
423
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616 if (size && src->read->ready) { |
539 | 617 n = src->recv(src, b->last, size); |
418
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618 |
547 | 619 if (n == NGX_ERROR) { |
620 ngx_imap_proxy_close_session(s); | |
621 return; | |
622 } | |
623 | |
624 if (n == 0) { | |
625 action = c->log->action; | |
626 c->log->action = NULL; | |
627 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxied session done"); | |
628 c->log->action = action; | |
629 | |
418
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630 ngx_imap_proxy_close_session(s); |
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631 return; |
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632 } |
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633 |
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634 if (n > 0) { |
423
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635 again = 1; |
418
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636 do_write = 1; |
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637 b->last += n; |
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638 } |
419
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639 |
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640 if (n == NGX_AGAIN || n < (ssize_t) size) { |
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641 if (ngx_handle_read_event(src->read, 0) == NGX_ERROR) { |
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642 ngx_imap_proxy_close_session(s); |
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643 return; |
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644 } |
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645 } |
539 | 646 |
647 if (c == s->connection) { | |
648 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); | |
649 ngx_add_timer(c->read, pcf->timeout); | |
650 } | |
418
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651 } |
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652 |
423
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653 } while (again); |
418
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654 } |
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655 |
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656 |
521 | 657 static void |
527 | 658 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
659 { | |
660 if (s->proxy->upstream.connection) { | |
661 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
662 "close imap proxy connection: %d", | |
663 s->proxy->upstream.connection->fd); | |
664 | |
665 ngx_close_connection(s->proxy->upstream.connection); | |
666 } | |
667 | |
668 ngx_imap_session_internal_server_error(s); | |
669 } | |
670 | |
671 | |
672 static void | |
521 | 673 ngx_imap_proxy_close_session(ngx_imap_session_t *s) |
418
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674 { |
521 | 675 if (s->proxy->upstream.connection) { |
676 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
677 "close imap proxy connection: %d", | |
678 s->proxy->upstream.connection->fd); | |
679 | |
680 ngx_close_connection(s->proxy->upstream.connection); | |
419
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681 } |
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682 |
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683 ngx_imap_close_connection(s->connection); |
418
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684 } |
521 | 685 |
686 | |
687 static void * | |
688 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
689 { | |
690 ngx_imap_proxy_conf_t *pcf; | |
691 | |
692 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); | |
693 if (pcf == NULL) { | |
694 return NGX_CONF_ERROR; | |
695 } | |
696 | |
697 pcf->enable = NGX_CONF_UNSET; | |
539 | 698 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
699 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
521 | 700 |
701 return pcf; | |
702 } | |
703 | |
704 | |
705 static char * | |
706 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
707 { | |
708 ngx_imap_proxy_conf_t *prev = parent; | |
709 ngx_imap_proxy_conf_t *conf = child; | |
710 | |
539 | 711 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
712 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, | |
713 (size_t) ngx_pagesize); | |
714 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
521 | 715 |
716 return NGX_CONF_OK; | |
717 } |