annotate src/imap/ngx_imap_proxy.c @ 501:d4ea69372b94 release-0.1.25

nginx-0.1.25-RELEASE import *) Bugfix: nginx did run on Linux parisc. *) Feature: nginx now does not start under FreeBSD if the sysctl kern.ipc.somaxconn value is too big. *) Bugfix: if a request was internally redirected by the ngx_http_index_module module to the ngx_http_proxy_module or ngx_http_fastcgi_module modules, then the index file was not closed after request completion. *) Feature: the "proxy_pass" can be used in location with regular expression. *) Feature: the ngx_http_rewrite_filter_module module supports the condition like "if ($HTTP_USER_AGENT ~ MSIE)". *) Bugfix: nginx started too slow if the large number of addresses and text values were used in the "geo" directive. *) Change: a variable name must be declared as "$name" in the "geo" directive. The previous variant without "$" is still supported, but will be removed soon. *) Feature: the "%{VARIABLE}v" logging parameter. *) Feature: the "set $name value" directive. *) Bugfix: gcc 4.0 compatibility. *) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
author Igor Sysoev <igor@sysoev.ru>
date Sat, 19 Mar 2005 12:38:37 +0000
parents c52408583801
children 9b8c906f6e63
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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6
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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diff changeset
7 #include <ngx_config.h>
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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parents:
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8 #include <ngx_core.h>
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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parents:
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9 #include <ngx_event.h>
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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10 #include <ngx_event_connect.h>
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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11 #include <ngx_imap.h>
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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12
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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13
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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14 static void ngx_imap_proxy_block_read(ngx_event_t *rev);
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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15 static void ngx_imap_proxy_auth_handler(ngx_event_t *rev);
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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16 static void ngx_imap_proxy_dummy_handler(ngx_event_t *ev);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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17 static ngx_int_t ngx_imap_proxy_read_response(ngx_imap_session_t *s);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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18 static void ngx_imap_proxy_handler(ngx_event_t *ev);
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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19 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s);
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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20
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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21
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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22 void ngx_imap_proxy_init(ngx_imap_session_t *s)
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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23 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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24 ngx_int_t rc;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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25 ngx_peers_t *peers;
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c52408583801 nginx-0.1.14-RELEASE import
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26 struct sockaddr_in *sin;
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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27 ngx_imap_proxy_ctx_t *p;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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28
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d4ea69372b94 nginx-0.1.25-RELEASE import
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29 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
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30 if (p == NULL) {
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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31 ngx_imap_close_connection(s->connection);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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32 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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33 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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34
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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35 s->proxy = p;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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36
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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37 /**/
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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38
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d4ea69372b94 nginx-0.1.25-RELEASE import
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39 peers = ngx_pcalloc(s->connection->pool, sizeof(ngx_peers_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
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40 if (peers == NULL) {
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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41 ngx_imap_close_connection(s->connection);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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42 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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43 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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44
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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45 p->upstream.peers = peers;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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46 p->upstream.log = s->connection->log;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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47 p->upstream.log_error = NGX_ERROR_ERR;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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48
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d4ea69372b94 nginx-0.1.25-RELEASE import
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49 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in));
d4ea69372b94 nginx-0.1.25-RELEASE import
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50 if (sin == NULL) {
479
c52408583801 nginx-0.1.14-RELEASE import
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51 ngx_imap_close_connection(s->connection);
c52408583801 nginx-0.1.14-RELEASE import
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52 return;
c52408583801 nginx-0.1.14-RELEASE import
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53 }
c52408583801 nginx-0.1.14-RELEASE import
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54
c52408583801 nginx-0.1.14-RELEASE import
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55 peers->peer[0].sockaddr = (struct sockaddr *) sin;
c52408583801 nginx-0.1.14-RELEASE import
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56 peers->peer[0].socklen = sizeof(struct sockaddr_in);
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57
c52408583801 nginx-0.1.14-RELEASE import
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58 sin->sin_port = htons(110);
c52408583801 nginx-0.1.14-RELEASE import
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59 #if 1
c52408583801 nginx-0.1.14-RELEASE import
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60 sin->sin_addr.s_addr = inet_addr("81.19.64.101");
c52408583801 nginx-0.1.14-RELEASE import
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61 peers->peer[0].name.len = sizeof("81.19.64.101:110") - 1;
c52408583801 nginx-0.1.14-RELEASE import
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62 peers->peer[0].name.data = (u_char *) "81.19.64.101:110";
c52408583801 nginx-0.1.14-RELEASE import
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63 #else
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64 sin->sin_addr.s_addr = inet_addr("81.19.69.70");
c52408583801 nginx-0.1.14-RELEASE import
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65 peers->peer[0].name.len = sizeof("81.19.69.70:110") - 1;
c52408583801 nginx-0.1.14-RELEASE import
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66 peers->peer[0].name.data = (u_char *) "81.19.69.70:110";
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67 #endif
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68
419
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69 peers->number = 1;
479
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70
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71 peers->peer[0].max_fails = 1;
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72 peers->peer[0].fail_timeout = 60;
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73 peers->peer[0].weight = 1;
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74
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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75 rc = ngx_event_connect_peer(&p->upstream);
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76
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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77 if (rc == NGX_ERROR) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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78 ngx_imap_proxy_close_session(s);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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79 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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80 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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81
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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82 p->upstream.connection->data = s;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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83 p->upstream.connection->pool = s->connection->pool;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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84
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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85 s->connection->read->event_handler = ngx_imap_proxy_block_read;
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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86 p->upstream.connection->read->event_handler = ngx_imap_proxy_auth_handler;
419
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87 p->upstream.connection->write->event_handler = ngx_imap_proxy_dummy_handler;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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88 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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89
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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90
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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91 static void ngx_imap_proxy_block_read(ngx_event_t *rev)
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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92 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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93 ngx_connection_t *c;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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94 ngx_imap_session_t *s;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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95
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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96 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy block read");
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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97
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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98 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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99 c = rev->data;
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100 s = c->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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101
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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102 ngx_imap_proxy_close_session(s);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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103 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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104 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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105
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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106
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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107 static void ngx_imap_proxy_auth_handler(ngx_event_t *rev)
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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parents:
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108 {
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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109 u_char *p;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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110 ngx_int_t rc;
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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111 ngx_str_t line;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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112 ngx_connection_t *c;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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113 ngx_imap_session_t *s;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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114
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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115 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy auth handler");
419
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diff changeset
116
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
117 c = rev->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
118 s = c->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
119
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
120 if (rev->timedout) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
121 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
122 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
123 return;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
124 }
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
125
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
126 if (s->proxy->buffer == NULL) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
127 s->proxy->buffer = ngx_create_temp_buf(c->pool, /* STUB */ 4096);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
128 if (s->proxy->buffer == NULL) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
129 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
130 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
131 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
132 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
133
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
134 rc = ngx_imap_proxy_read_response(s);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
135
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
136 if (rc == NGX_AGAIN) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
137 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
138 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
139
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
140 if (rc == NGX_ERROR) {
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
141 /* TODO: ngx_imap_proxy_finalize_session(s, NGX_IMAP_INTERNAL_ERROR) */
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
142 ngx_imap_proxy_close_session(s);
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
143 return;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
144 }
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
145
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
146 if (s->imap_state == ngx_pop3_start) {
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
147
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
148 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
149
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
150 line.len = sizeof("USER ") + s->login.len - 1 + 2;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
151 line.data = ngx_palloc(c->pool, line.len);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
152 if (line.data == NULL) {
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
153 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
154 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
155 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
156
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
157 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
158 p = ngx_cpymem(p, s->login.data, s->login.len);
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
159 *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
160
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
161 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
162 /*
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
163 * 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
164 * 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
165 */
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
166 ngx_imap_close_connection(c);
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
167 return;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
168 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
169
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
170 s->imap_state = ngx_pop3_user;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
171
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
172 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
173 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
174
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
175 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
176 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
177
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
178 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass");
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
179
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
180 line.len = sizeof("PASS ") + s->passwd.len - 1 + 2;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
181 line.data = ngx_palloc(c->pool, line.len);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
182 if (line.data == NULL) {
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
183 ngx_imap_proxy_close_session(s);
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
184 return;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
185 }
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
186
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
187 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1);
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
188 p = ngx_cpymem(p, s->passwd.data, s->passwd.len);
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
189 *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
190
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
191 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
192 /*
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
193 * 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
194 * 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
195 */
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
196 ngx_imap_close_connection(c);
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
197 return;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
198 }
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
199
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
200 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
201 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
202
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
203 s->connection->read->event_handler = ngx_imap_proxy_handler;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
204 s->connection->write->event_handler = ngx_imap_proxy_handler;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
205 rev->event_handler = ngx_imap_proxy_handler;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
206 c->write->event_handler = ngx_imap_proxy_handler;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
207 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
208
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
209
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
210 static void ngx_imap_proxy_dummy_handler(ngx_event_t *ev)
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
211 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
212 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
213 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
214
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
215
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
216 static ngx_int_t ngx_imap_proxy_read_response(ngx_imap_session_t *s)
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
217 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
218 u_char *p;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
219 ssize_t n;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
220 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
221
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
222 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
223
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
224 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
225
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
226 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
227 return NGX_ERROR;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
228 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
229
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
230 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
231 return NGX_AGAIN;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
232 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
233
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
234 b->last += n;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
235
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
236 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
237 return NGX_AGAIN;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
238 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
239
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
240 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
241 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
242 *(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
243 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
244 "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
245 b->pos);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
246 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
247 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
248
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
249 return NGX_AGAIN;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
250 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
251
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
252 p = b->pos;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
253
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
254 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
255 return NGX_OK;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
256 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
257
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
258 if (p[0] == '-' && p[1] == 'E' && p[2] == 'R' && p[3] == 'R') {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
259 return NGX_IMAP_PROXY_ERROR;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
260 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
261
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
262 *(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
263 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
264 "upstream sent invalid greeting line: \"%s\"", p);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
265
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
266 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
267 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
268
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
269
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
270 static void ngx_imap_proxy_handler(ngx_event_t *ev)
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
271 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
272 size_t size;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273 ssize_t n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
274 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
275 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
276 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
277 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
278
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279 c = ev->data;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
280 s = c->data;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
281
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
282 if (ev->timedout) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
283 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
284 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
285 "client timed out");
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
286 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
287 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
288 "upstream timed out");
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
289 }
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
290
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
291 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
292 return;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
293 }
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
294
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
295 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
296 if (ev->write) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
297 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
298 dst = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
299 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
300
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
301 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
302 src = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
303 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
304 b = s->buffer;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
305 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
306
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
307 } else {
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
308 if (ev->write) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
309 src = s->connection;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
310 dst = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
311 b = s->buffer;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
312
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
313 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
314 src = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
315 dst = s->connection;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
316 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
317 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
318 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
319
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
320 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
321
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
322 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
323 "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
324 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
325
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
326 do {
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
327 again = 0;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
328
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
329 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
330
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
331 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
332
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
333 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
334 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
335
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
336 if (n == NGX_ERROR) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
337 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
338 return;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
339 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
340
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
341 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
342 again = 1;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
343 b->pos += n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
344
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
345 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
346 b->pos = b->start;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
347 b->last = b->start;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
348 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
349 }
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
350
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
351 if (n == NGX_AGAIN || n < (ssize_t) size) {
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
352 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
353 == NGX_ERROR)
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
354 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
355 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
356 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
357 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
358 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
359 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
360 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
361
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
362 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
363
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
364 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
365 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
366
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
367 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
368 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
369 return;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
370 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
371
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
372 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
373 again = 1;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
374 do_write = 1;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
375 b->last += n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
376 }
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
377
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
378 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
379 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
380 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
381 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
382 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
383 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
384 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
385
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
386 } while (again);
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
387 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
388
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
389
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
390 static void ngx_imap_proxy_close_session(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
391 {
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
392 if (ngx_close_socket(s->proxy->upstream.connection->fd) == -1) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
393 ngx_log_error(NGX_LOG_ALERT, s->connection->log, ngx_socket_errno,
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
394 ngx_close_socket_n " failed");
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 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
398 }