Mercurial > hg > nginx
annotate src/imap/ngx_imap_proxy_module.c @ 529:e5d7d0334fdb release-0.1.39
nginx-0.1.39-RELEASE import
*) The changes in the ngx_http_charset_module: the "default_charset"
directive was canceled; the "charset" directive sets the response
charset; the "source_charset" directive sets the source charset only.
*) Bugfix: the backend "WWW-Authenticate" header line did not
transferred while the 401 response code redirecting.
*) Bugfix: the ngx_http_proxy_module and ngx_http_fastcgi_module may
close a connection before anything was transferred to a client; the
bug had appeared in 0.1.38.
*) Workaround: the Linux glibc crypt_r() initialization bug.
*) Bugfix: the ngx_http_ssi_module did not support the relative URI in
the "include virtual" command.
*) Bugfix: if the backend response had the "Location" header line and
nginx should not rewrite this line, then the 500 code response body
was transferred; the bug had appeared in 0.1.29.
*) Bugfix: some directives of the ngx_http_proxy_module and
ngx_http_fastcgi_module were not inherited from the server to the
location level; the bug had appeared in 0.1.29.
*) Bugfix: the ngx_http_ssl_module did not support the certificate
chain.
*) Bugfix: the ngx_http_autoindex_module did not show correctly the
long file names; the bug had appeared in 0.1.38.
*) Bugfixes in IMAP/POP3 proxy in interaction with a backend at the
login state.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 14 Jul 2005 12:51:53 +0000 |
parents | 7fa11e5c6e96 |
children | c3bd8cdabb8f |
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); |
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91 return; |
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92 } |
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93 |
527 | 94 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
95 ngx_add_timer(p->upstream.connection->read, cscf->timeout); | |
96 | |
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97 p->upstream.connection->data = s; |
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98 p->upstream.connection->pool = s->connection->pool; |
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99 |
509 | 100 s->connection->read->handler = ngx_imap_proxy_block_read; |
101 p->upstream.connection->write->handler = ngx_imap_proxy_dummy_handler; | |
527 | 102 |
103 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
104 p->upstream.connection->read->handler = ngx_imap_proxy_pop3_handler; | |
105 s->imap_state = ngx_pop3_start; | |
106 | |
107 } else { | |
108 p->upstream.connection->read->handler = ngx_imap_proxy_imap_handler; | |
109 s->imap_state = ngx_imap_start; | |
110 } | |
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111 } |
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112 |
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113 |
521 | 114 static void |
115 ngx_imap_proxy_block_read(ngx_event_t *rev) | |
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116 { |
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117 ngx_connection_t *c; |
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118 ngx_imap_session_t *s; |
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119 |
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120 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy block read"); |
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121 |
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122 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
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123 c = rev->data; |
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124 s = c->data; |
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125 |
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126 ngx_imap_proxy_close_session(s); |
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127 } |
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128 } |
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129 |
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130 |
521 | 131 static void |
527 | 132 ngx_imap_proxy_imap_handler(ngx_event_t *rev) |
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133 { |
527 | 134 u_char *p; |
135 ngx_int_t rc; | |
136 ngx_str_t line; | |
137 ngx_connection_t *c; | |
138 ngx_imap_session_t *s; | |
139 ngx_imap_core_srv_conf_t *cscf; | |
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140 |
527 | 141 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, |
142 "imap proxy imap auth handler"); | |
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143 |
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144 c = rev->data; |
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145 s = c->data; |
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146 |
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147 if (rev->timedout) { |
527 | 148 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
149 "upstream timed out"); | |
150 ngx_imap_proxy_internal_server_error(s); | |
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 |
529 | 172 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
527 | 173 ngx_imap_proxy_internal_server_error(s); |
422
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|
174 return; |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
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 |
529 | 177 if (rc == NGX_IMAP_PROXY_ERROR) { |
178 s->connection->read->handler = ngx_imap_proxy_handler; | |
179 s->connection->write->handler = ngx_imap_proxy_handler; | |
180 rev->handler = ngx_imap_proxy_handler; | |
181 c->write->handler = ngx_imap_proxy_handler; | |
182 | |
183 ngx_imap_proxy_handler(c->read); | |
184 return; | |
185 } | |
186 | |
527 | 187 switch (s->imap_state) { |
188 | |
189 case ngx_imap_start: | |
190 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
191 "imap proxy send login"); | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
192 |
527 | 193 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
194 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
195 line.data = ngx_palloc(c->pool, line.len); | |
196 if (line.data == NULL) { | |
197 ngx_imap_proxy_internal_server_error(s); | |
198 return; | |
199 } | |
200 | |
201 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, | |
202 &s->tag, s->login.len) | |
203 - line.data; | |
204 | |
205 s->imap_state = ngx_imap_login; | |
206 break; | |
207 | |
208 case ngx_imap_login: | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
209 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
|
210 |
529 | 211 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; |
527 | 212 line.data = ngx_palloc(c->pool, line.len); |
213 if (line.data == NULL) { | |
214 ngx_imap_proxy_internal_server_error(s); | |
215 return; | |
216 } | |
217 | |
529 | 218 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, |
527 | 219 &s->login, s->passwd.len) |
220 - line.data; | |
221 | |
222 s->imap_state = ngx_imap_user; | |
223 break; | |
224 | |
225 case ngx_imap_user: | |
226 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
227 "imap proxy send passwd"); | |
228 | |
229 line.len = s->passwd.len + 2; | |
501 | 230 line.data = ngx_palloc(c->pool, line.len); |
231 if (line.data == NULL) { | |
527 | 232 ngx_imap_proxy_internal_server_error(s); |
233 return; | |
234 } | |
235 | |
236 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); | |
237 *p++ = CR; *p = LF; | |
238 | |
239 s->imap_state = ngx_imap_passwd; | |
240 break; | |
241 | |
242 default: | |
243 #if (NGX_SUPPRESS_WARN) | |
244 line.len = 0; | |
245 line.data = NULL; | |
246 #endif | |
247 break; | |
248 } | |
249 | |
250 if (ngx_send(c, line.data, line.len) < (ssize_t) line.len) { | |
251 /* | |
252 * we treat the incomplete sending as NGX_ERROR | |
253 * because it is very strange here | |
254 */ | |
255 ngx_imap_proxy_internal_server_error(s); | |
256 return; | |
257 } | |
258 | |
259 s->proxy->buffer->pos = s->proxy->buffer->start; | |
260 s->proxy->buffer->last = s->proxy->buffer->start; | |
261 | |
262 if (s->imap_state == ngx_imap_passwd) { | |
263 s->connection->read->handler = ngx_imap_proxy_handler; | |
264 s->connection->write->handler = ngx_imap_proxy_handler; | |
265 rev->handler = ngx_imap_proxy_handler; | |
266 c->write->handler = ngx_imap_proxy_handler; | |
267 } | |
268 } | |
269 | |
270 | |
271 static void | |
272 ngx_imap_proxy_pop3_handler(ngx_event_t *rev) | |
273 { | |
274 u_char *p; | |
275 ngx_int_t rc; | |
276 ngx_str_t line; | |
277 ngx_connection_t *c; | |
278 ngx_imap_session_t *s; | |
279 ngx_imap_core_srv_conf_t *cscf; | |
280 | |
281 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
282 "imap proxy pop3 auth handler"); | |
283 | |
284 c = rev->data; | |
285 s = c->data; | |
286 | |
287 if (rev->timedout) { | |
288 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
289 "upstream timed out"); | |
290 ngx_imap_proxy_internal_server_error(s); | |
291 return; | |
292 } | |
293 | |
294 if (s->proxy->buffer == NULL) { | |
295 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
296 | |
297 s->proxy->buffer = ngx_create_temp_buf(c->pool, | |
298 cscf->proxy_buffer_size); | |
299 if (s->proxy->buffer == NULL) { | |
300 ngx_imap_proxy_internal_server_error(s); | |
301 return; | |
302 } | |
303 } | |
304 | |
305 rc = ngx_imap_proxy_read_response(s, NGX_IMAP_WAIT_OK); | |
306 | |
307 if (rc == NGX_AGAIN) { | |
308 return; | |
309 } | |
310 | |
529 | 311 if (rc == NGX_ERROR || rc == NGX_IMAP_PROXY_INVALID) { |
527 | 312 ngx_imap_proxy_internal_server_error(s); |
313 return; | |
314 } | |
315 | |
529 | 316 if (rc == NGX_IMAP_PROXY_ERROR) { |
317 s->connection->read->handler = ngx_imap_proxy_handler; | |
318 s->connection->write->handler = ngx_imap_proxy_handler; | |
319 rev->handler = ngx_imap_proxy_handler; | |
320 c->write->handler = ngx_imap_proxy_handler; | |
321 | |
322 ngx_imap_proxy_handler(c->read); | |
323 return; | |
324 } | |
325 | |
527 | 326 switch (s->imap_state) { |
327 | |
328 case ngx_pop3_start: | |
329 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); | |
330 | |
331 line.len = sizeof("USER ") - 1 + s->login.len + 2; | |
332 line.data = ngx_palloc(c->pool, line.len); | |
333 if (line.data == NULL) { | |
334 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
|
335 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
336 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
337 |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
338 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
|
339 p = ngx_cpymem(p, s->login.data, s->login.len); |
501 | 340 *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
|
341 |
527 | 342 s->imap_state = ngx_pop3_user; |
343 break; | |
344 | |
345 case ngx_pop3_user: | |
346 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass"); | |
347 | |
348 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; | |
349 line.data = ngx_palloc(c->pool, line.len); | |
350 if (line.data == NULL) { | |
351 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
|
352 return; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
353 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
354 |
527 | 355 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
356 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
357 *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
|
358 |
527 | 359 s->imap_state = ngx_pop3_passwd; |
360 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
361 |
527 | 362 default: |
363 #if (NGX_SUPPRESS_WARN) | |
364 line.len = 0; | |
365 line.data = NULL; | |
366 #endif | |
367 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
368 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
369 |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
370 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
|
371 /* |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
372 * 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
|
373 * 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
|
374 */ |
527 | 375 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
|
376 return; |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
377 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
378 |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
379 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
|
380 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
|
381 |
527 | 382 if (s->imap_state == ngx_pop3_passwd) { |
383 s->connection->read->handler = ngx_imap_proxy_handler; | |
384 s->connection->write->handler = ngx_imap_proxy_handler; | |
385 rev->handler = ngx_imap_proxy_handler; | |
386 c->write->handler = ngx_imap_proxy_handler; | |
387 } | |
419
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 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
390 |
521 | 391 static void |
392 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
|
393 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
394 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
|
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 |
521 | 398 static ngx_int_t |
527 | 399 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
|
400 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
401 u_char *p; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
402 ssize_t n; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
403 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
|
404 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
405 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
|
406 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
407 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
|
408 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
409 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
|
410 return NGX_ERROR; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
411 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
412 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
413 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
|
414 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
415 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
416 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
417 b->last += n; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
418 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
419 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
|
420 return NGX_AGAIN; |
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 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
423 if (*(b->last - 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
|
424 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
|
425 *(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
|
426 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
|
427 "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
|
428 b->pos); |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
429 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
|
430 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
431 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
432 return NGX_AGAIN; |
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 p = b->pos; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
436 |
527 | 437 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
438 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { | |
439 return NGX_OK; | |
440 } | |
441 | |
442 if (p[0] == '-' && p[1] == 'E' && p[2] == 'R' && p[3] == 'R') { | |
443 return NGX_IMAP_PROXY_ERROR; | |
444 } | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
445 |
527 | 446 } else { |
529 | 447 if (p[0] == 'N' && p[1] == 'O') { |
448 return NGX_IMAP_PROXY_ERROR; | |
449 } | |
450 | |
527 | 451 if (what == NGX_IMAP_WAIT_OK) { |
452 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { | |
453 return NGX_OK; | |
454 } | |
455 | |
456 } else { | |
529 | 457 if (p[0] == '+') { |
527 | 458 return NGX_OK; |
459 } | |
460 } | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
461 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
462 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
463 *(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
|
464 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
527 | 465 "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
|
466 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
467 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
|
468 } |
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 |
521 | 471 static void |
472 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
|
473 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
474 size_t size; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
475 ssize_t n; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
476 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
|
477 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
|
478 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
|
479 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
|
480 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
481 c = ev->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
482 s = c->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
483 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
484 if (ev->timedout) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
485 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
|
486 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
|
487 "client timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
488 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
489 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
|
490 "upstream timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
491 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
492 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
493 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
|
494 return; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
495 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
496 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
497 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
|
498 if (ev->write) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
499 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
|
500 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
501 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
|
502 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
503 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
504 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
505 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
|
506 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
507 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
508 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
509 } else { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
510 if (ev->write) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
511 src = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
512 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
513 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
514 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
515 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
516 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
517 dst = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
518 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
|
519 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
520 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
521 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
522 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
|
523 |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
524 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
|
525 "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
|
526 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
|
527 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
528 do { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
529 again = 0; |
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 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
|
532 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
533 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
|
534 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
535 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
|
536 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
|
537 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
538 if (n == NGX_ERROR) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
539 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
|
540 return; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
541 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
542 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
543 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
|
544 again = 1; |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
545 b->pos += n; |
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 (b->pos == b->last) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
548 b->pos = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
549 b->last = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
550 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
551 } |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
552 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
553 if (n == NGX_AGAIN || n < (ssize_t) size) { |
452 | 554 if (ngx_handle_write_event(dst->write, /* TODO: LOWAT */ 0) |
529 | 555 == NGX_ERROR) |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
556 { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
557 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
|
558 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
559 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
560 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
561 } |
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 |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
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564 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
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565 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
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566 if (size && src->read->ready) { |
419
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Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
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567 n = ngx_recv(src, b->last, size); |
418
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parents:
diff
changeset
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568 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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569 if (n == NGX_ERROR || n == 0) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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570 ngx_imap_proxy_close_session(s); |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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571 return; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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572 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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573 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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574 if (n > 0) { |
423
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Igor Sysoev <igor@sysoev.ru>
parents:
422
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575 again = 1; |
418
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576 do_write = 1; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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parents:
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577 b->last += n; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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578 } |
419
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Igor Sysoev <igor@sysoev.ru>
parents:
418
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579 |
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580 if (n == NGX_AGAIN || n < (ssize_t) size) { |
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parents:
418
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581 if (ngx_handle_read_event(src->read, 0) == NGX_ERROR) { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
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parents:
418
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582 ngx_imap_proxy_close_session(s); |
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nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
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583 return; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
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584 } |
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nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
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585 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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586 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
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587 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
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parents:
422
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588 } while (again); |
418
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parents:
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589 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
590 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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591 |
521 | 592 static void |
527 | 593 ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s) |
594 { | |
595 if (s->proxy->upstream.connection) { | |
596 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
597 "close imap proxy connection: %d", | |
598 s->proxy->upstream.connection->fd); | |
599 | |
600 ngx_close_connection(s->proxy->upstream.connection); | |
601 } | |
602 | |
603 ngx_imap_session_internal_server_error(s); | |
604 } | |
605 | |
606 | |
607 static void | |
521 | 608 ngx_imap_proxy_close_session(ngx_imap_session_t *s) |
418
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|
609 { |
521 | 610 if (s->proxy->upstream.connection) { |
611 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
612 "close imap proxy connection: %d", | |
613 s->proxy->upstream.connection->fd); | |
614 | |
615 ngx_close_connection(s->proxy->upstream.connection); | |
419
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parents:
418
diff
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|
616 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
617 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
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|
618 ngx_imap_close_connection(s->connection); |
418
cf072d26d6d6
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parents:
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|
619 } |
521 | 620 |
621 | |
622 static void * | |
623 ngx_imap_proxy_create_conf(ngx_conf_t *cf) | |
624 { | |
625 ngx_imap_proxy_conf_t *pcf; | |
626 | |
627 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t)); | |
628 if (pcf == NULL) { | |
629 return NGX_CONF_ERROR; | |
630 } | |
631 | |
632 pcf->enable = NGX_CONF_UNSET; | |
633 | |
634 return pcf; | |
635 } | |
636 | |
637 | |
638 static char * | |
639 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
640 { | |
641 ngx_imap_proxy_conf_t *prev = parent; | |
642 ngx_imap_proxy_conf_t *conf = child; | |
643 | |
644 ngx_conf_merge_msec_value(conf->enable, prev->enable, 0); | |
645 | |
646 return NGX_CONF_OK; | |
647 } |