Mercurial > hg > nginx-quic
annotate src/imap/ngx_imap_proxy_module.c @ 574:206160abe62e
release-0.3.8 tag
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 09 Nov 2005 17:25:55 +0000 |
parents | 458b6c3fea65 |
children | 4d9ea73a627a |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_connect.h> |
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11 #include <ngx_imap.h> |
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12 |
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13 |
521 | 14 typedef struct { |
15 ngx_flag_t enable; | |
539 | 16 size_t buffer_size; |
17 ngx_msec_t timeout; | |
521 | 18 } ngx_imap_proxy_conf_t; |
19 | |
20 | |
419
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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); | |
419
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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); |
418
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29 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s); |
521 | 30 static void *ngx_imap_proxy_create_conf(ngx_conf_t *cf); |
31 static char *ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, | |
32 void *child); | |
33 | |
34 | |
571 | 35 #define NGX_IMAP_WAIT_OK 0 |
36 #define NGX_IMAP_WAIT_NEXT 1 | |
527 | 37 |
38 | |
521 | 39 static ngx_command_t ngx_imap_proxy_commands[] = { |
539 | 40 |
521 | 41 { ngx_string("proxy"), |
42 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_FLAG, | |
43 ngx_conf_set_flag_slot, | |
44 NGX_IMAP_SRV_CONF_OFFSET, | |
45 offsetof(ngx_imap_proxy_conf_t, enable), | |
46 NULL }, | |
47 | |
539 | 48 { ngx_string("proxy_buffer"), |
49 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
50 ngx_conf_set_size_slot, | |
51 NGX_IMAP_SRV_CONF_OFFSET, | |
52 offsetof(ngx_imap_proxy_conf_t, buffer_size), | |
53 NULL }, | |
54 | |
55 { ngx_string("proxy_timeout"), | |
56 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
57 ngx_conf_set_msec_slot, | |
58 NGX_IMAP_SRV_CONF_OFFSET, | |
59 offsetof(ngx_imap_proxy_conf_t, timeout), | |
60 NULL }, | |
61 | |
521 | 62 ngx_null_command |
63 }; | |
418
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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) | |
419
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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); | |
419
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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 } | |
419
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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 { |
539 | 159 u_char *p; |
160 ngx_int_t rc; | |
161 ngx_str_t line; | |
162 ngx_connection_t *c; | |
163 ngx_imap_session_t *s; | |
164 ngx_imap_proxy_conf_t *pcf; | |
419
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165 |
527 | 166 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, |
167 "imap proxy imap auth handler"); | |
419
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168 |
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169 c = rev->data; |
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170 s = c->data; |
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171 |
423
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172 if (rev->timedout) { |
527 | 173 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
174 "upstream timed out"); | |
175 ngx_imap_proxy_internal_server_error(s); | |
423
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176 return; |
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177 } |
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178 |
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179 if (s->proxy->buffer == NULL) { |
539 | 180 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
527 | 181 |
539 | 182 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
419
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183 if (s->proxy->buffer == NULL) { |
527 | 184 ngx_imap_proxy_internal_server_error(s); |
419
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185 return; |
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186 } |
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187 } |
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188 |
527 | 189 rc = ngx_imap_proxy_read_response(s, s->imap_state == ngx_imap_start ? |
190 NGX_IMAP_WAIT_OK : NGX_IMAP_WAIT_NEXT); | |
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191 |
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192 if (rc == NGX_AGAIN) { |
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193 return; |
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194 } |
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195 |
571 | 196 if (rc == NGX_ERROR) { |
527 | 197 ngx_imap_proxy_internal_server_error(s); |
422
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198 return; |
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199 } |
419
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diff
changeset
|
200 |
527 | 201 switch (s->imap_state) { |
202 | |
203 case ngx_imap_start: | |
204 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
205 "imap proxy send login"); | |
419
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parents:
418
diff
changeset
|
206 |
527 | 207 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
208 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
209 line.data = ngx_palloc(c->pool, line.len); | |
210 if (line.data == NULL) { | |
211 ngx_imap_proxy_internal_server_error(s); | |
212 return; | |
213 } | |
214 | |
215 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
216 &s->tag, s->login.len) | |
217 - line.data; | |
218 | |
219 s->imap_state = ngx_imap_login; | |
220 break; | |
221 | |
222 case ngx_imap_login: | |
422
edaefb2a20fc
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parents:
419
diff
changeset
|
223 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); |
edaefb2a20fc
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parents:
419
diff
changeset
|
224 |
529 | 225 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; |
527 | 226 line.data = ngx_palloc(c->pool, line.len); |
227 if (line.data == NULL) { | |
228 ngx_imap_proxy_internal_server_error(s); | |
229 return; | |
230 } | |
231 | |
529 | 232 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, |
527 | 233 &s->login, s->passwd.len) |
234 - line.data; | |
235 | |
236 s->imap_state = ngx_imap_user; | |
237 break; | |
238 | |
239 case ngx_imap_user: | |
240 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
241 "imap proxy send passwd"); | |
242 | |
243 line.len = s->passwd.len + 2; | |
501 | 244 line.data = ngx_palloc(c->pool, line.len); |
245 if (line.data == NULL) { | |
527 | 246 ngx_imap_proxy_internal_server_error(s); |
247 return; | |
248 } | |
249 | |
250 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
251 *p++ = CR; *p = LF; | |
252 | |
253 s->imap_state = ngx_imap_passwd; | |
254 break; | |
255 | |
256 default: | |
257 #if (NGX_SUPPRESS_WARN) | |
258 line.len = 0; | |
259 line.data = NULL; | |
260 #endif | |
261 break; | |
262 } | |
263 | |
539 | 264 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
527 | 265 /* |
266 * we treat the incomplete sending as NGX_ERROR | |
267 * because it is very strange here | |
268 */ | |
269 ngx_imap_proxy_internal_server_error(s); | |
270 return; | |
271 } | |
272 | |
273 s->proxy->buffer->pos = s->proxy->buffer->start; | |
274 s->proxy->buffer->last = s->proxy->buffer->start; | |
275 | |
276 if (s->imap_state == ngx_imap_passwd) { | |
277 s->connection->read->handler = ngx_imap_proxy_handler; | |
278 s->connection->write->handler = ngx_imap_proxy_handler; | |
279 rev->handler = ngx_imap_proxy_handler; | |
280 c->write->handler = ngx_imap_proxy_handler; | |
531 | 281 |
539 | 282 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
283 ngx_add_timer(s->connection->read, pcf->timeout); | |
531 | 284 ngx_del_timer(c->read); |
541 | 285 |
547 | 286 c->log->action = NULL; |
287 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
288 | |
541 | 289 c->log->action = "proxying"; |
527 | 290 } |
291 } | |
292 | |
293 | |
294 static void | |
295 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
296 { | |
539 | 297 u_char *p; |
298 ngx_int_t rc; | |
299 ngx_str_t line; | |
300 ngx_connection_t *c; | |
301 ngx_imap_session_t *s; | |
302 ngx_imap_proxy_conf_t *pcf; | |
527 | 303 |
304 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
305 "imap proxy pop3 auth handler"); | |
306 | |
307 c = rev->data; | |
308 s = c->data; | |
309 | |
310 if (rev->timedout) { | |
311 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
312 "upstream timed out"); | |
313 ngx_imap_proxy_internal_server_error(s); | |
314 return; | |
315 } | |
316 | |
317 if (s->proxy->buffer == NULL) { | |
539 | 318 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
527 | 319 |
539 | 320 s->proxy->buffer = ngx_create_temp_buf(c->pool, pcf->buffer_size); |
527 | 321 if (s->proxy->buffer == NULL) { |
322 ngx_imap_proxy_internal_server_error(s); | |
323 return; | |
324 } | |
325 } | |
326 | |
327 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
328 | |
329 if (rc == NGX_AGAIN) { | |
330 return; | |
331 } | |
332 | |
571 | 333 if (rc == NGX_ERROR) { |
527 | 334 ngx_imap_proxy_internal_server_error(s); |
335 return; | |
336 } | |
337 | |
338 switch (s->imap_state) { | |
339 | |
340 case ngx_pop3_start: | |
341 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
342 | |
343 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
344 line.data = ngx_palloc(c->pool, line.len); | |
345 if (line.data == NULL) { | |
346 ngx_imap_proxy_internal_server_error(s); | |
419
47709bff4468
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diff
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|
347 return; |
47709bff4468
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Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
348 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
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parents:
418
diff
changeset
|
349 |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
350 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
|
351 p = ngx_cpymem(p, s->login.data, s->login.len); |
501 | 352 *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
|
353 |
527 | 354 s->imap_state = ngx_pop3_user; |
355 break; | |
356 | |
357 case ngx_pop3_user: | |
358 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
359 | |
360 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
361 line.data = ngx_palloc(c->pool, line.len); | |
362 if (line.data == NULL) { | |
363 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
|
364 return; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
365 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
366 |
527 | 367 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
368 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
369 *p++ = CR; *p = LF; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
370 |
527 | 371 s->imap_state = ngx_pop3_passwd; |
372 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
373 |
527 | 374 default: |
375 #if (NGX_SUPPRESS_WARN) | |
376 line.len = 0; | |
377 line.data = NULL; | |
378 #endif | |
379 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
380 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
381 |
539 | 382 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
|
383 /* |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
384 * 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
|
385 * 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
|
386 */ |
527 | 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; |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
389 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
390 |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
391 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
|
392 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
|
393 |
527 | 394 if (s->imap_state == ngx_pop3_passwd) { |
395 s->connection->read->handler = ngx_imap_proxy_handler; | |
396 s->connection->write->handler = ngx_imap_proxy_handler; | |
397 rev->handler = ngx_imap_proxy_handler; | |
398 c->write->handler = ngx_imap_proxy_handler; | |
531 | 399 |
539 | 400 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); |
401 ngx_add_timer(s->connection->read, pcf->timeout); | |
531 | 402 ngx_del_timer(c->read); |
541 | 403 |
547 | 404 c->log->action = NULL; |
405 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
406 | |
541 | 407 c->log->action = "proxying"; |
527 | 408 } |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
409 } |
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 |
521 | 412 static void |
413 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
|
414 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
415 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
|
416 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
417 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
418 |
521 | 419 static ngx_int_t |
527 | 420 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
|
421 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
422 u_char *p; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
423 ssize_t n; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
424 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
|
425 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
426 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
|
427 |
539 | 428 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, |
429 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
|
430 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
431 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
|
432 return NGX_ERROR; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
433 } |
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 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
|
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 b->last += n; |
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 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
|
442 return NGX_AGAIN; |
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 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
445 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
|
446 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
|
447 *(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
|
448 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
|
449 "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
|
450 b->pos); |
571 | 451 return NGX_ERROR; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
452 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
453 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
454 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
455 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
456 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
457 p = b->pos; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
458 |
527 | 459 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
460 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { | |
461 return NGX_OK; | |
462 } | |
463 | |
464 } else { | |
465 if (what == NGX_IMAP_WAIT_OK) { | |
466 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
467 return NGX_OK; | |
468 } | |
469 | |
470 } else { | |
529 | 471 if (p[0] == '+') { |
527 | 472 return NGX_OK; |
473 } | |
474 } | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
475 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
476 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
477 *(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
|
478 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
527 | 479 "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
|
480 |
571 | 481 return NGX_ERROR; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
482 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
483 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
484 |
521 | 485 static void |
486 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
|
487 { |
547 | 488 char *action; |
539 | 489 size_t size; |
490 ssize_t n; | |
491 ngx_buf_t *b; | |
492 ngx_uint_t again, do_write; | |
493 ngx_connection_t *c, *src, *dst; | |
494 ngx_imap_session_t *s; | |
495 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
|
496 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
497 c = ev->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
498 s = c->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
499 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
500 if (ev->timedout) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
501 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
|
502 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
|
503 "client timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
504 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
505 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
|
506 "upstream timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
507 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
508 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
509 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
|
510 return; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
511 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
512 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
513 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
|
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->proxy->upstream.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->proxy->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->proxy->upstream.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->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 } else { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
526 if (ev->write) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
527 src = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
528 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
529 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
530 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
531 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
532 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
533 dst = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
534 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
|
535 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
536 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
537 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
538 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
|
539 |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
540 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
|
541 "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
|
542 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
|
543 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
544 do { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
545 again = 0; |
418
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 (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
|
548 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
549 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
|
550 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
551 if (size && dst->write->ready) { |
539 | 552 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
|
553 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
554 if (n == NGX_ERROR) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
555 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
|
556 return; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
557 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
558 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
559 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
|
560 again = 1; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
561 b->pos += n; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
562 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
563 if (b->pos == b->last) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
564 b->pos = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
565 b->last = b->start; |
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 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
569 if (n == NGX_AGAIN || n < (ssize_t) size) { |
452 | 570 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
529 | 571 == NGX_ERROR) |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
572 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
573 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
|
574 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
575 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
576 } |
418
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 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
579 |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
580 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
|
581 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
582 if (size && src->read->ready) { |
539 | 583 n = src->recv(src, b->last, size); |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
584 |
547 | 585 if (n == NGX_ERROR) { |
586 ngx_imap_proxy_close_session(s); | |
587 return; | |
588 } | |
589 | |
590 if (n == 0) { | |
591 action = c->log->action; | |
592 c->log->action = NULL; | |
593 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxied session done"); | |
594 c->log->action = action; | |
595 | |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
596 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
|
597 return; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
598 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
599 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
600 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
|
601 again = 1; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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602 do_write = 1; |
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nginx-0.0.10-2004-09-08-09:18:51 import
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603 b->last += n; |
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nginx-0.0.10-2004-09-08-09:18:51 import
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604 } |
419
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605 |
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606 if (n == NGX_AGAIN || n < (ssize_t) size) { |
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607 if (ngx_handle_read_event(src->read, 0) == NGX_ERROR) { |
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nginx-0.0.10-2004-09-09-19:40:48 import
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608 ngx_imap_proxy_close_session(s); |
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609 return; |
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610 } |
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611 } |
539 | 612 |
613 if (c == s->connection) { | |
614 pcf = ngx_imap_get_module_srv_conf(s, ngx_imap_proxy_module); | |
615 ngx_add_timer(c->read, pcf->timeout); | |
616 } | |
418
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617 } |
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618 |
423
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619 } while (again); |
418
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620 } |
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621 |
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622 |
521 | 623 static void |
527 | 624 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
625 { | |
626 if (s->proxy->upstream.connection) { | |
627 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
628 "close imap proxy connection: %d", | |
629 s->proxy->upstream.connection->fd); | |
630 | |
631 ngx_close_connection(s->proxy->upstream.connection); | |
632 } | |
633 | |
634 ngx_imap_session_internal_server_error(s); | |
635 } | |
636 | |
637 | |
638 static void | |
521 | 639 ngx_imap_proxy_close_session(ngx_imap_session_t *s) |
418
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640 { |
521 | 641 if (s->proxy->upstream.connection) { |
642 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
643 "close imap proxy connection: %d", | |
644 s->proxy->upstream.connection->fd); | |
645 | |
646 ngx_close_connection(s->proxy->upstream.connection); | |
419
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647 } |
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648 |
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649 ngx_imap_close_connection(s->connection); |
418
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650 } |
521 | 651 |
652 | |
653 static void * | |
654 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
655 { | |
656 ngx_imap_proxy_conf_t *pcf; | |
657 | |
658 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); | |
659 if (pcf == NULL) { | |
660 return NGX_CONF_ERROR; | |
661 } | |
662 | |
663 pcf->enable = NGX_CONF_UNSET; | |
539 | 664 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
665 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
521 | 666 |
667 return pcf; | |
668 } | |
669 | |
670 | |
671 static char * | |
672 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
673 { | |
674 ngx_imap_proxy_conf_t *prev = parent; | |
675 ngx_imap_proxy_conf_t *conf = child; | |
676 | |
539 | 677 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
678 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, | |
679 (size_t) ngx_pagesize); | |
680 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
521 | 681 |
682 return NGX_CONF_OK; | |
683 } |