annotate src/imap/ngx_imap_proxy.c @ 479:c52408583801 release-0.1.14

nginx-0.1.14-RELEASE import *) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH *) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. *) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. *) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. *) Change: the URI must be specified after the host name in the proxy_pass directive. *) Change: the %3F symbol in the URI was considered as the argument string start. *) Feature: the unix domain sockets support in the ngx_http_proxy_module. *) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator.
author Igor Sysoev <igor@sysoev.ru>
date Tue, 18 Jan 2005 13:03:58 +0000
parents 23fb87bddda1
children d4ea69372b94
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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7 #include <ngx_config.h>
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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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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9 #include <ngx_event.h>
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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10 #include <ngx_event_connect.h>
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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_init_handler(ngx_event_t *wev);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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17 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>
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18 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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19 static void ngx_imap_proxy_handler(ngx_event_t *ev);
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cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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20 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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21
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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22
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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23 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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24 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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25 ngx_int_t rc;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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26 ngx_peers_t *peers;
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c52408583801 nginx-0.1.14-RELEASE import
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27 struct sockaddr_in *sin;
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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28 ngx_imap_proxy_ctx_t *p;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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29
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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30 if (!(p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t)))) {
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
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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39 if (!(peers = ngx_pcalloc(s->connection->pool, sizeof(ngx_peers_t)))) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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40 ngx_imap_close_connection(s->connection);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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41 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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42 }
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 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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45 p->upstream.log = s->connection->log;
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_error = NGX_ERROR_ERR;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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47
479
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48 if (!(sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in)))) {
c52408583801 nginx-0.1.14-RELEASE import
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49 ngx_imap_close_connection(s->connection);
c52408583801 nginx-0.1.14-RELEASE import
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50 return;
c52408583801 nginx-0.1.14-RELEASE import
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51 }
c52408583801 nginx-0.1.14-RELEASE import
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52
c52408583801 nginx-0.1.14-RELEASE import
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53 peers->peer[0].sockaddr = (struct sockaddr *) sin;
c52408583801 nginx-0.1.14-RELEASE import
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54 peers->peer[0].socklen = sizeof(struct sockaddr_in);
c52408583801 nginx-0.1.14-RELEASE import
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55
c52408583801 nginx-0.1.14-RELEASE import
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56 sin->sin_port = htons(110);
c52408583801 nginx-0.1.14-RELEASE import
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57 #if 1
c52408583801 nginx-0.1.14-RELEASE import
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58 sin->sin_addr.s_addr = inet_addr("81.19.64.101");
c52408583801 nginx-0.1.14-RELEASE import
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59 peers->peer[0].name.len = sizeof("81.19.64.101:110") - 1;
c52408583801 nginx-0.1.14-RELEASE import
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60 peers->peer[0].name.data = (u_char *) "81.19.64.101:110";
c52408583801 nginx-0.1.14-RELEASE import
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61 #else
c52408583801 nginx-0.1.14-RELEASE import
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62 sin->sin_addr.s_addr = inet_addr("81.19.69.70");
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63 peers->peer[0].name.len = sizeof("81.19.69.70:110") - 1;
c52408583801 nginx-0.1.14-RELEASE import
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64 peers->peer[0].name.data = (u_char *) "81.19.69.70:110";
c52408583801 nginx-0.1.14-RELEASE import
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65 #endif
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66
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67 peers->number = 1;
479
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68
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69 peers->peer[0].max_fails = 1;
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70 peers->peer[0].fail_timeout = 60;
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71 peers->peer[0].weight = 1;
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72
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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73 rc = ngx_event_connect_peer(&p->upstream);
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74
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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75 if (rc == NGX_ERROR) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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76 ngx_imap_proxy_close_session(s);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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77 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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78 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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79
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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80 p->upstream.connection->data = s;
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81 p->upstream.connection->pool = s->connection->pool;
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82
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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83 s->connection->read->event_handler = ngx_imap_proxy_block_read;
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edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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84 p->upstream.connection->read->event_handler = ngx_imap_proxy_auth_handler;
419
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85 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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86 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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87
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 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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90 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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91 ngx_connection_t *c;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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92 ngx_imap_session_t *s;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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93
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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94 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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95
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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96 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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97 c = rev->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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98 s = c->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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99
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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100 ngx_imap_proxy_close_session(s);
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 }
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
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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105 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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106 {
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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107 u_char *p;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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108 ngx_int_t rc;
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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109 ngx_str_t line;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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110 ngx_connection_t *c;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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111 ngx_imap_session_t *s;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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112
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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113 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy auth handler");
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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diff changeset
114
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
115 c = rev->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
116 s = c->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
117
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
118 if (rev->timedout) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
119 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
120 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
121 return;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
122 }
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
123
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
124 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
125 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
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 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
128 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
129 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
130 }
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 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
133
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
134 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
135 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
136 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
137
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
138 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
139 /* 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
140 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
141 return;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
142 }
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
143
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
144 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
145
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
146 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
147
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
148 line.len = sizeof("USER ") + s->login.len - 1 + 2;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
149 if (!(line.data = ngx_palloc(c->pool, line.len))) {
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
150 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
151 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
152 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
153
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
154 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
155 p = ngx_cpymem(p, s->login.data, s->login.len);
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
156 *p++ = CR; *p++ = LF;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
157
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
158 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
159 /*
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
160 * 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
161 * 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
162 */
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
163 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
164 return;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
165 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
166
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
167 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
168
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
169 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
170 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
171
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
172 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
173 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
174
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
175 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
176
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
177 line.len = sizeof("PASS ") + s->passwd.len - 1 + 2;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
178 if (!(line.data = ngx_palloc(c->pool, line.len))) {
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
179 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
180 return;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
181 }
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
182
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
183 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
184 p = ngx_cpymem(p, s->passwd.data, s->passwd.len);
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
185 *p++ = CR; *p++ = LF;
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 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
188 /*
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
189 * 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
190 * 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
191 */
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
192 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
193 return;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
194 }
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 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
197 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
198
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
199 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
200 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
201 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
202 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
203 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
204
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
205
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
206 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
207 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
208 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
209 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
210
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 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
213 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
214 u_char *p;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
215 ssize_t n;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
216 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
217
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
218 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
219
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
220 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
221
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
222 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
223 return NGX_ERROR;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
224 }
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_AGAIN) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
227 return NGX_AGAIN;
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 b->last += n;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
231
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
232 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
233 return NGX_AGAIN;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
234 }
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 - 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
237 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
238 *(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
239 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
240 "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
241 b->pos);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
242 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
243 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
244
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
245 return NGX_AGAIN;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
246 }
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 p = b->pos;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
249
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
250 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
251 return NGX_OK;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
252 }
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] == '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
255 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
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 *(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
259 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
260 "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
261
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
262 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
263 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
264
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 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
267 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
268 size_t size;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
269 ssize_t n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
270 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
271 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
272 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
273 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
274
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275 c = ev->data;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
276 s = c->data;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
277
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
278 if (ev->timedout) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
279 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
280 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
281 "client timed out");
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
282 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
283 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
284 "upstream timed out");
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
285 }
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
286
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
287 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
288 return;
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
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
291 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
292 if (ev->write) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
293 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
294 dst = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
295 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
296
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
297 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
298 src = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
299 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
300 b = s->buffer;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
301 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
302
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
303 } else {
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
304 if (ev->write) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
305 src = s->connection;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
306 dst = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
307 b = s->buffer;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
308
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
309 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
310 src = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
311 dst = s->connection;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
312 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
313 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
314 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
315
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
316 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
317
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
318 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
319 "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
320 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
321
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
322 do {
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
323 again = 0;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
324
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
325 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
326
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
327 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
328
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
329 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
330 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
331
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
332 if (n == NGX_ERROR) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
333 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
334 return;
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
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
337 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
338 again = 1;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
339 b->pos += n;
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 (b->pos == b->last) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
342 b->pos = b->start;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
343 b->last = b->start;
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 }
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
346
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
347 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
348 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
349 == NGX_ERROR)
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 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
352 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
353 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
354 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
355 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
356 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
357
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
358 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
359
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
360 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
361 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
362
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
363 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
364 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
365 return;
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
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
368 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
369 again = 1;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
370 do_write = 1;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
371 b->last += n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
372 }
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 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
375 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
376 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
377 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
378 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
379 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
380 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
381
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
382 } while (again);
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
383 }
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
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
386 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
387 {
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
388 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
389 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
390 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
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 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
394 }