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> |
|---|---|
| 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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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_connect.h> |
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11 #include <ngx_imap.h> |
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13 |
| 521 | 14 typedef struct { |
| 15 ngx_flag_t enable; | |
| 16 } ngx_imap_proxy_conf_t; | |
| 17 | |
| 18 | |
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19 static void ngx_imap_proxy_block_read(ngx_event_t *rev); |
| 527 | 20 static void ngx_imap_proxy_imap_handler(ngx_event_t *rev); |
| 21 static void ngx_imap_proxy_pop3_handler(ngx_event_t *rev); | |
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22 static void ngx_imap_proxy_dummy_handler(ngx_event_t *ev); |
| 527 | 23 static ngx_int_t ngx_imap_proxy_read_response(ngx_imap_session_t *s, |
| 24 ngx_uint_t what); | |
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25 static void ngx_imap_proxy_handler(ngx_event_t *ev); |
| 527 | 26 static void ngx_imap_proxy_internal_server_error(ngx_imap_session_t *s); |
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27 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s); |
| 521 | 28 static void *ngx_imap_proxy_create_conf(ngx_conf_t *cf); |
| 29 static char *ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, | |
| 30 void *child); | |
| 31 | |
| 32 | |
| 527 | 33 #define NGX_IMAP_WAIT_OK 0 |
| 34 #define NGX_IMAP_WAIT_NEXT 1 | |
| 35 | |
| 36 | |
| 521 | 37 static ngx_command_t ngx_imap_proxy_commands[] = { |
| 38 { ngx_string("proxy"), | |
| 39 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_FLAG, | |
| 40 ngx_conf_set_flag_slot, | |
| 41 NGX_IMAP_SRV_CONF_OFFSET, | |
| 42 offsetof(ngx_imap_proxy_conf_t, enable), | |
| 43 NULL }, | |
| 44 | |
| 45 ngx_null_command | |
| 46 }; | |
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47 |
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48 |
| 521 | 49 static ngx_imap_module_t ngx_imap_proxy_module_ctx = { |
| 50 NULL, /* create main configuration */ | |
| 51 NULL, /* init main configuration */ | |
| 52 | |
| 53 ngx_imap_proxy_create_conf, /* create server configuration */ | |
| 54 ngx_imap_proxy_merge_conf /* merge server configuration */ | |
| 55 }; | |
| 56 | |
| 57 | |
| 58 ngx_module_t ngx_imap_proxy_module = { | |
| 59 NGX_MODULE_V1, | |
| 60 &ngx_imap_proxy_module_ctx, /* module context */ | |
| 61 ngx_imap_proxy_commands, /* module directives */ | |
| 62 NGX_IMAP_MODULE, /* module type */ | |
| 63 NULL, /* init module */ | |
| 64 NULL /* init process */ | |
| 65 }; | |
| 66 | |
| 67 | |
| 68 void | |
| 69 ngx_imap_proxy_init(ngx_imap_session_t *s, ngx_peers_t *peers) | |
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70 { |
| 527 | 71 ngx_int_t rc; |
| 72 ngx_imap_proxy_ctx_t *p; | |
| 73 ngx_imap_core_srv_conf_t *cscf; | |
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74 |
| 501 | 75 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t)); |
| 76 if (p == NULL) { | |
| 527 | 77 ngx_imap_session_internal_server_error(s); |
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78 return; |
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79 } |
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80 |
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81 s->proxy = p; |
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82 |
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83 p->upstream.peers = peers; |
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84 p->upstream.log = s->connection->log; |
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85 p->upstream.log_error = NGX_ERROR_ERR; |
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86 |
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87 rc = ngx_event_connect_peer(&p->upstream); |
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88 |
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89 if (rc == NGX_ERROR) { |
| 527 | 90 ngx_imap_session_internal_server_error(s); |
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91 return; |
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92 } |
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93 |
| 527 | 94 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 95 ngx_add_timer(p->upstream.connection->read, cscf->timeout); | |
| 96 | |
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97 p->upstream.connection->data = s; |
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98 p->upstream.connection->pool = s->connection->pool; |
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99 |
| 509 | 100 s->connection->read->handler = ngx_imap_proxy_block_read; |
| 101 p->upstream.connection->write->handler = ngx_imap_proxy_dummy_handler; | |
| 527 | 102 |
| 103 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
| 104 p->upstream.connection->read->handler = ngx_imap_proxy_pop3_handler; | |
| 105 s->imap_state = ngx_pop3_start; | |
| 106 | |
| 107 } else { | |
| 108 p->upstream.connection->read->handler = ngx_imap_proxy_imap_handler; | |
| 109 s->imap_state = ngx_imap_start; | |
| 110 } | |
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111 } |
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112 |
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113 |
| 521 | 114 static void |
| 115 ngx_imap_proxy_block_read(ngx_event_t *rev) | |
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116 { |
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117 ngx_connection_t *c; |
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118 ngx_imap_session_t *s; |
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119 |
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120 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy block read"); |
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121 |
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122 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { |
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123 c = rev->data; |
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124 s = c->data; |
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125 |
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126 ngx_imap_proxy_close_session(s); |
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127 } |
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128 } |
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129 |
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130 |
| 521 | 131 static void |
| 527 | 132 ngx_imap_proxy_imap_handler(ngx_event_t *rev) |
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133 { |
| 527 | 134 u_char *p; |
| 135 ngx_int_t rc; | |
| 136 ngx_str_t line; | |
| 137 ngx_connection_t *c; | |
| 138 ngx_imap_session_t *s; | |
| 139 ngx_imap_core_srv_conf_t *cscf; | |
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140 |
| 527 | 141 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, |
| 142 "imap proxy imap auth handler"); | |
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143 |
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144 c = rev->data; |
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145 s = c->data; |
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146 |
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147 if (rev->timedout) { |
| 527 | 148 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
| 149 "upstream timed out"); | |
| 150 ngx_imap_proxy_internal_server_error(s); | |
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151 return; |
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152 } |
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153 |
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154 if (s->proxy->buffer == NULL) { |
| 527 | 155 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 156 | |
| 157 s->proxy->buffer = ngx_create_temp_buf(c->pool, | |
| 158 cscf->proxy_buffer_size); | |
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159 if (s->proxy->buffer == NULL) { |
| 527 | 160 ngx_imap_proxy_internal_server_error(s); |
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161 return; |
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162 } |
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163 } |
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164 |
| 527 | 165 rc = ngx_imap_proxy_read_response(s, s->imap_state == ngx_imap_start ? |
| 166 NGX_IMAP_WAIT_OK : NGX_IMAP_WAIT_NEXT); | |
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167 |
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168 if (rc == NGX_AGAIN) { |
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169 return; |
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418
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|
170 } |
|
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parents:
418
diff
changeset
|
171 |
|
422
edaefb2a20fc
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419
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|
172 if (rc == NGX_ERROR) { |
| 527 | 173 ngx_imap_proxy_internal_server_error(s); |
|
422
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parents:
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|
174 return; |
|
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parents:
419
diff
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|
175 } |
|
419
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parents:
418
diff
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|
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
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|
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
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diff
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|
199 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user"); |
|
edaefb2a20fc
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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
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diff
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|
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
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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
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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
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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
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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>
parents:
diff
changeset
|
544 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
545 if (n == NGX_ERROR || n == 0) { |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
546 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
|
547 return; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
548 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
549 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
550 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
|
551 again = 1; |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
552 do_write = 1; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
553 b->last += n; |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
554 } |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
555 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
556 if (n == NGX_AGAIN || n < (ssize_t) size) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
557 if (ngx_handle_read_event(src->read, 0) == NGX_ERROR) { |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
558 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
|
559 return; |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
560 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
561 } |
|
418
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 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
564 } while (again); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
565 } |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
566 |
|
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
567 |
| 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
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
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
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
592 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
593 |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
594 ngx_imap_close_connection(s->connection); |
|
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
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 } |