Mercurial > hg > nginx
annotate src/imap/ngx_imap_proxy_module.c @ 527:7fa11e5c6e96 release-0.1.38
nginx-0.1.38-RELEASE import
*) Feature: the "limit_rate" directive is supported in in proxy and
FastCGI mode.
*) Feature: the "X-Accel-Limit-Rate" response header line is supported
in proxy and FastCGI mode.
*) Feature: the "break" directive.
*) Feature: the "log_not_found" directive.
*) Bugfix: the response status code was not changed when request was
redirected by the ""X-Accel-Redirect" header line.
*) Bugfix: the variables set by the "set" directive could not be used
in SSI.
*) Bugfix: the segmentation fault may occurred if the SSI page has more
than one remote subrequest.
*) Bugfix: nginx treated the backend response as invalid if the status
line in the header was transferred in two packets; the bug had
appeared in 0.1.29.
*) Feature: the "ssi_types" directive.
*) Feature: the "autoindex_exact_size" directive.
*) Bugfix: the ngx_http_autoindex_module did not support the long file
names in UTF-8.
*) Feature: the IMAP/POP3 proxy.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 08 Jul 2005 14:34:20 +0000 |
parents | 6f00349b98e5 |
children | e5d7d0334fdb |
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; | |
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); | |
419
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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); |
419
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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) | |
419
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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); | |
423
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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 |
422
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172 if (rc == NGX_ERROR) { |
527 | 173 ngx_imap_proxy_internal_server_error(s); |
422
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174 return; |
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
175 } |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
176 |
527 | 177 switch (s->imap_state) { |
178 | |
179 case ngx_imap_start: | |
180 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
181 "imap proxy send login"); | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
182 |
527 | 183 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
184 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
185 line.data = ngx_palloc(c->pool, line.len); | |
186 if (line.data == NULL) { | |
187 ngx_imap_proxy_internal_server_error(s); | |
188 return; | |
189 } | |
190 | |
191 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
192 &s->tag, s->login.len) | |
193 - line.data; | |
194 | |
195 s->imap_state = ngx_imap_login; | |
196 break; | |
197 | |
198 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
|
199 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
|
200 |
527 | 201 line.len = s->login.len + 1 + NGX_SIZE_T_LEN + 1 + 2; |
202 line.data = ngx_palloc(c->pool, line.len); | |
203 if (line.data == NULL) { | |
204 ngx_imap_proxy_internal_server_error(s); | |
205 return; | |
206 } | |
207 | |
208 line.len = ngx_sprintf(line.data, "%V{%uz}" CRLF, | |
209 &s->login, s->passwd.len) | |
210 - line.data; | |
211 | |
212 s->imap_state = ngx_imap_user; | |
213 break; | |
214 | |
215 case ngx_imap_user: | |
216 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
217 "imap proxy send passwd"); | |
218 | |
219 line.len = s->passwd.len + 2; | |
501 | 220 line.data = ngx_palloc(c->pool, line.len); |
221 if (line.data == NULL) { | |
527 | 222 ngx_imap_proxy_internal_server_error(s); |
223 return; | |
224 } | |
225 | |
226 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
227 *p++ = CR; *p = LF; | |
228 | |
229 s->imap_state = ngx_imap_passwd; | |
230 break; | |
231 | |
232 default: | |
233 #if (NGX_SUPPRESS_WARN) | |
234 line.len = 0; | |
235 line.data = NULL; | |
236 #endif | |
237 break; | |
238 } | |
239 | |
240 if (ngx_send(c, line.data, line.len) < (ssize_t) line.len) { | |
241 /* | |
242 * we treat the incomplete sending as NGX_ERROR | |
243 * because it is very strange here | |
244 */ | |
245 ngx_imap_proxy_internal_server_error(s); | |
246 return; | |
247 } | |
248 | |
249 s->proxy->buffer->pos = s->proxy->buffer->start; | |
250 s->proxy->buffer->last = s->proxy->buffer->start; | |
251 | |
252 if (s->imap_state == ngx_imap_passwd) { | |
253 s->connection->read->handler = ngx_imap_proxy_handler; | |
254 s->connection->write->handler = ngx_imap_proxy_handler; | |
255 rev->handler = ngx_imap_proxy_handler; | |
256 c->write->handler = ngx_imap_proxy_handler; | |
257 } | |
258 } | |
259 | |
260 | |
261 static void | |
262 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
263 { | |
264 u_char *p; | |
265 ngx_int_t rc; | |
266 ngx_str_t line; | |
267 ngx_connection_t *c; | |
268 ngx_imap_session_t *s; | |
269 ngx_imap_core_srv_conf_t *cscf; | |
270 | |
271 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
272 "imap proxy pop3 auth handler"); | |
273 | |
274 c = rev->data; | |
275 s = c->data; | |
276 | |
277 if (rev->timedout) { | |
278 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
279 "upstream timed out"); | |
280 ngx_imap_proxy_internal_server_error(s); | |
281 return; | |
282 } | |
283 | |
284 if (s->proxy->buffer == NULL) { | |
285 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
286 | |
287 s->proxy->buffer = ngx_create_temp_buf(c->pool, | |
288 cscf->proxy_buffer_size); | |
289 if (s->proxy->buffer == NULL) { | |
290 ngx_imap_proxy_internal_server_error(s); | |
291 return; | |
292 } | |
293 } | |
294 | |
295 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
296 | |
297 if (rc == NGX_AGAIN) { | |
298 return; | |
299 } | |
300 | |
301 if (rc == NGX_ERROR) { | |
302 ngx_imap_proxy_internal_server_error(s); | |
303 return; | |
304 } | |
305 | |
306 switch (s->imap_state) { | |
307 | |
308 case ngx_pop3_start: | |
309 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
310 | |
311 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
312 line.data = ngx_palloc(c->pool, line.len); | |
313 if (line.data == NULL) { | |
314 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
|
315 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
316 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
317 |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
318 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
|
319 p = ngx_cpymem(p, s->login.data, s->login.len); |
501 | 320 *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
|
321 |
527 | 322 s->imap_state = ngx_pop3_user; |
323 break; | |
324 | |
325 case ngx_pop3_user: | |
326 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
327 | |
328 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
329 line.data = ngx_palloc(c->pool, line.len); | |
330 if (line.data == NULL) { | |
331 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
|
332 return; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
333 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
334 |
527 | 335 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
336 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
337 *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
|
338 |
527 | 339 s->imap_state = ngx_pop3_passwd; |
340 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
341 |
527 | 342 default: |
343 #if (NGX_SUPPRESS_WARN) | |
344 line.len = 0; | |
345 line.data = NULL; | |
346 #endif | |
347 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
348 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
349 |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
350 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
|
351 /* |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
352 * 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
|
353 * 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
|
354 */ |
527 | 355 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
|
356 return; |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
357 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
358 |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
359 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
|
360 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
|
361 |
527 | 362 if (s->imap_state == ngx_pop3_passwd) { |
363 s->connection->read->handler = ngx_imap_proxy_handler; | |
364 s->connection->write->handler = ngx_imap_proxy_handler; | |
365 rev->handler = ngx_imap_proxy_handler; | |
366 c->write->handler = ngx_imap_proxy_handler; | |
367 } | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
368 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
369 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
370 |
521 | 371 static void |
372 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
|
373 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
374 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
|
375 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
376 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
377 |
521 | 378 static ngx_int_t |
527 | 379 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
|
380 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
381 u_char *p; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
382 ssize_t n; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
383 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
|
384 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
385 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
|
386 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
387 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
|
388 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
389 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
|
390 return NGX_ERROR; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
391 } |
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 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
|
394 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
395 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
396 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
397 b->last += n; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
398 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
399 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
|
400 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
401 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
402 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
403 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
|
404 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
|
405 *(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
|
406 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
|
407 "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
|
408 b->pos); |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
409 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
|
410 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
411 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
412 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
413 } |
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 p = b->pos; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
416 |
527 | 417 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
418 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { | |
419 return NGX_OK; | |
420 } | |
421 | |
422 if (p[0] == '-' && p[1] == 'E' && p[2] == 'R' && p[3] == 'R') { | |
423 return NGX_IMAP_PROXY_ERROR; | |
424 } | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
425 |
527 | 426 } else { |
427 if (what == NGX_IMAP_WAIT_OK) { | |
428 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
429 return NGX_OK; | |
430 } | |
431 | |
432 } else { | |
433 if (p[0] == '+' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
434 return NGX_OK; | |
435 } | |
436 } | |
419
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 - 2) = '\0'; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
440 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
527 | 441 "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
|
442 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
443 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
|
444 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
445 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
446 |
521 | 447 static void |
448 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
|
449 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
450 size_t size; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
451 ssize_t n; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
452 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
|
453 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
|
454 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
|
455 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
|
456 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
457 c = ev->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
458 s = c->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
459 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
460 if (ev->timedout) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
461 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
|
462 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
|
463 "client timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
464 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
465 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
|
466 "upstream timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
467 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
468 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
469 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
|
470 return; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
471 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
472 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
473 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
|
474 if (ev->write) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
475 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
|
476 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
477 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
|
478 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
479 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
480 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
481 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
|
482 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
483 } |
418
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 } else { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
486 if (ev->write) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
487 src = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
488 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
489 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
490 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
491 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
492 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
493 dst = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
494 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
|
495 } |
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 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
498 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
|
499 |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
500 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
|
501 "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
|
502 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
|
503 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
504 do { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
505 again = 0; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
506 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
507 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
|
508 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
509 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
|
510 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
511 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
|
512 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
|
513 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
514 if (n == NGX_ERROR) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
515 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
|
516 return; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
517 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
518 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
519 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
|
520 again = 1; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
521 b->pos += n; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
522 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
523 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
|
524 b->pos = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
525 b->last = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
526 } |
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 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
529 if (n == NGX_AGAIN || n < (ssize_t) size) { |
452 | 530 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
531 == NGX_ERROR) |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
532 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
533 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
|
534 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
535 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
536 } |
418
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 } |
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 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
|
541 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
542 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
|
543 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>
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544 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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545 if (n == NGX_ERROR || n == 0) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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546 ngx_imap_proxy_close_session(s); |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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547 return; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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548 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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549 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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550 if (n > 0) { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
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422
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551 again = 1; |
418
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nginx-0.0.10-2004-09-08-09:18:51 import
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552 do_write = 1; |
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nginx-0.0.10-2004-09-08-09:18:51 import
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553 b->last += n; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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554 } |
419
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nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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418
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555 |
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nginx-0.0.10-2004-09-09-19:40:48 import
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556 if (n == NGX_AGAIN || n < (ssize_t) size) { |
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557 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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558 ngx_imap_proxy_close_session(s); |
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nginx-0.0.10-2004-09-09-19:40:48 import
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559 return; |
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nginx-0.0.10-2004-09-09-19:40:48 import
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560 } |
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nginx-0.0.10-2004-09-09-19:40:48 import
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561 } |
418
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nginx-0.0.10-2004-09-08-09:18:51 import
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562 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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563 |
423
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nginx-0.0.10-2004-09-13-20:18:09 import
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564 } while (again); |
418
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565 } |
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nginx-0.0.10-2004-09-08-09:18:51 import
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566 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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567 |
521 | 568 static void |
527 | 569 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
570 { | |
571 if (s->proxy->upstream.connection) { | |
572 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
573 "close imap proxy connection: %d", | |
574 s->proxy->upstream.connection->fd); | |
575 | |
576 ngx_close_connection(s->proxy->upstream.connection); | |
577 } | |
578 | |
579 ngx_imap_session_internal_server_error(s); | |
580 } | |
581 | |
582 | |
583 static void | |
521 | 584 ngx_imap_proxy_close_session(ngx_imap_session_t *s) |
418
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585 { |
521 | 586 if (s->proxy->upstream.connection) { |
587 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
588 "close imap proxy connection: %d", | |
589 s->proxy->upstream.connection->fd); | |
590 | |
591 ngx_close_connection(s->proxy->upstream.connection); | |
419
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592 } |
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593 |
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594 ngx_imap_close_connection(s->connection); |
418
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595 } |
521 | 596 |
597 | |
598 static void * | |
599 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
600 { | |
601 ngx_imap_proxy_conf_t *pcf; | |
602 | |
603 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); | |
604 if (pcf == NULL) { | |
605 return NGX_CONF_ERROR; | |
606 } | |
607 | |
608 pcf->enable = NGX_CONF_UNSET; | |
609 | |
610 return pcf; | |
611 } | |
612 | |
613 | |
614 static char * | |
615 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
616 { | |
617 ngx_imap_proxy_conf_t *prev = parent; | |
618 ngx_imap_proxy_conf_t *conf = child; | |
619 | |
620 ngx_conf_merge_msec_value(conf->enable, prev->enable, 0); | |
621 | |
622 return NGX_CONF_OK; | |
623 } |