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annotate src/imap/ngx_imap_proxy_module.c @ 521:6f00349b98e5 release-0.1.35

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nginx-0.1.35-RELEASE import *) Feature: the "working_directory" directive. *) Feature: the "port_in_redirect" directive. *) Bugfix: the segmentation fault was occurred if the backend response header was in several packets; the bug had appeared in 0.1.29. *) Bugfix: if more than 10 servers were configured or some server did not use the "listen" directive, then the segmentation fault was occurred on the start. *) Bugfix: the segmentation fault might occur if the response was bigger than the temporary file. *) Bugfix: nginx returned the 400 response on requests like "GET http://www.domain.com/uri HTTP/1.0"; the bug had appeared in 0.1.28.
author Igor Sysoev <igor@sysoev.ru>
date Tue, 07 Jun 2005 15:56:31 +0000
parents src/imap/ngx_imap_proxy.c@9b8c906f6e63
children 7fa11e5c6e96
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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
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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
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4 */
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5
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cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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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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10 #include <ngx_event_connect.h>
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11 #include <ngx_imap.h>
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12
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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13
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6f00349b98e5 nginx-0.1.35-RELEASE import
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14 typedef struct {
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15 ngx_flag_t enable;
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16 } ngx_imap_proxy_conf_t;
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17
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18
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19 static void ngx_imap_proxy_block_read(ngx_event_t *rev);
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20 static void ngx_imap_proxy_auth_handler(ngx_event_t *rev);
419
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21 static void ngx_imap_proxy_dummy_handler(ngx_event_t *ev);
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22 static ngx_int_t ngx_imap_proxy_read_response(ngx_imap_session_t *s);
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23 static void ngx_imap_proxy_handler(ngx_event_t *ev);
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24 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s);
521
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25 static void *ngx_imap_proxy_create_conf(ngx_conf_t *cf);
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26 static char *ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent,
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27 void *child);
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28
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29
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30 static ngx_command_t ngx_imap_proxy_commands[] = {
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31 { ngx_string("proxy"),
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32 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_FLAG,
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33 ngx_conf_set_flag_slot,
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34 NGX_IMAP_SRV_CONF_OFFSET,
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35 offsetof(ngx_imap_proxy_conf_t, enable),
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36 NULL },
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37
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38 ngx_null_command
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39 };
418
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40
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41
521
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42 static ngx_imap_module_t ngx_imap_proxy_module_ctx = {
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43 NULL, /* create main configuration */
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44 NULL, /* init main configuration */
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45
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46 ngx_imap_proxy_create_conf, /* create server configuration */
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47 ngx_imap_proxy_merge_conf /* merge server configuration */
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48 };
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49
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50
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51 ngx_module_t ngx_imap_proxy_module = {
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52 NGX_MODULE_V1,
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53 &ngx_imap_proxy_module_ctx, /* module context */
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54 ngx_imap_proxy_commands, /* module directives */
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55 NGX_IMAP_MODULE, /* module type */
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56 NULL, /* init module */
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57 NULL /* init process */
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58 };
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59
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60
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61 void
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62 ngx_imap_proxy_init(ngx_imap_session_t *s, ngx_peers_t *peers)
419
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63 {
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64 ngx_int_t rc;
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65 ngx_imap_proxy_ctx_t *p;
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66
501
d4ea69372b94 nginx-0.1.25-RELEASE import
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67 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_imap_proxy_ctx_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
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68 if (p == NULL) {
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69 ngx_imap_close_connection(s->connection);
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70 return;
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71 }
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72
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73 s->proxy = p;
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74
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75 p->upstream.peers = peers;
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76 p->upstream.log = s->connection->log;
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77 p->upstream.log_error = NGX_ERROR_ERR;
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78
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79 rc = ngx_event_connect_peer(&p->upstream);
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80
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81 if (rc == NGX_ERROR) {
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82 ngx_imap_proxy_close_session(s);
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83 return;
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84 }
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85
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86 p->upstream.connection->data = s;
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87 p->upstream.connection->pool = s->connection->pool;
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88
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
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89 s->connection->read->handler = ngx_imap_proxy_block_read;
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90 p->upstream.connection->read->handler = ngx_imap_proxy_auth_handler;
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91 p->upstream.connection->write->handler = ngx_imap_proxy_dummy_handler;
419
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92 }
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93
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94
521
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95 static void
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96 ngx_imap_proxy_block_read(ngx_event_t *rev)
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97 {
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98 ngx_connection_t *c;
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99 ngx_imap_session_t *s;
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100
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101 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy block read");
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102
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103 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
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104 c = rev->data;
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105 s = c->data;
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106
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107 ngx_imap_proxy_close_session(s);
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108 }
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109 }
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110
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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111
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112 static void
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113 ngx_imap_proxy_auth_handler(ngx_event_t *rev)
418
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114 {
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
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115 u_char *p;
419
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116 ngx_int_t rc;
422
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117 ngx_str_t line;
419
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118 ngx_connection_t *c;
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119 ngx_imap_session_t *s;
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120
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
121 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
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
122
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
123 c = rev->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
124 s = c->data;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
125
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
126 if (rev->timedout) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
127 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
128 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
129 return;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
130 }
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
131
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
132 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
133 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
134 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
135 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
136 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
137 }
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
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
140 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
141
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
142 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
143 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
144 }
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 (rc == NGX_ERROR) {
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
147 /* 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
148 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
149 return;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
150 }
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
151
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
152 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
153
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
154 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
155
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
156 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
157 line.data = ngx_palloc(c->pool, line.len);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
158 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
159 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
160 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
161 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
162
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
163 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
164 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
165 *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
166
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
167 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
168 /*
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
169 * 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
170 * 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
171 */
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
172 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
173 return;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
174 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
175
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
176 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
177
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
178 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
179 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
180
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
181 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
182 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
183
422
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
184 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
185
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
186 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
187 line.data = ngx_palloc(c->pool, line.len);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
188 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
189 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
190 return;
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
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
193 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
194 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
195 *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
196
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
197 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
198 /*
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
199 * 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
200 * 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
201 */
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
202 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
203 return;
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
204 }
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
205
edaefb2a20fc nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
206 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
207 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
208
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
209 s->connection->read->handler = ngx_imap_proxy_handler;
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
210 s->connection->write->handler = ngx_imap_proxy_handler;
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
211 rev->handler = ngx_imap_proxy_handler;
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
212 c->write->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
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
521
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
216 static void
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
217 ngx_imap_proxy_dummy_handler(ngx_event_t *ev)
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
218 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
219 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
220 }
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
521
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
223 static ngx_int_t
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
224 ngx_imap_proxy_read_response(ngx_imap_session_t *s)
419
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 u_char *p;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
227 ssize_t n;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
228 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
229
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
230 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
231
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
232 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
233
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
234 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
235 return NGX_ERROR;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
236 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
237
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
238 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
239 return NGX_AGAIN;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
240 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
241
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
242 b->last += n;
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 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
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 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
249 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
250 *(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
251 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
252 "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
253 b->pos);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
254 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
255 }
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 return NGX_AGAIN;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
258 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
259
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
260 p = b->pos;
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 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
263 return NGX_OK;
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 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
267 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
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 *(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
271 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
272 "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
273
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
274 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
275 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
276
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
277
521
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
278 static void
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
279 ngx_imap_proxy_handler(ngx_event_t *ev)
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
280 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
281 size_t size;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
282 ssize_t n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283 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
284 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
285 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
286 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
287
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
288 c = ev->data;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
289 s = c->data;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
290
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
291 if (ev->timedout) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
292 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
293 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
294 "client timed out");
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
295 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
296 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
297 "upstream timed out");
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
298 }
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
299
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
300 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
301 return;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
302 }
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
303
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
304 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
305 if (ev->write) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
306 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
307 dst = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
308 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
309
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
310 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
311 src = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
312 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
313 b = s->buffer;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
314 }
418
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 } else {
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
317 if (ev->write) {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
318 src = s->connection;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
319 dst = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
320 b = s->buffer;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
321
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
322 } else {
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
323 src = c;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
324 dst = s->connection;
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
325 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
326 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
327 }
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 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
330
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
331 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
332 "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
333 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
334
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
335 do {
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
336 again = 0;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
337
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
338 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
339
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
340 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
341
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
342 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
343 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
344
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
345 if (n == NGX_ERROR) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
346 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
347 return;
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
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
350 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
351 again = 1;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
352 b->pos += n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
353
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
354 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
355 b->pos = b->start;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
356 b->last = b->start;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
357 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
358 }
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
359
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
360 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
361 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
362 == NGX_ERROR)
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
363 {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
364 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
365 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
366 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
367 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
368 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
369 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
370
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
371 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
372
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
373 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
374 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
375
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
376 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
377 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
378 return;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
379 }
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 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
382 again = 1;
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
383 do_write = 1;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
384 b->last += n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
385 }
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
386
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
387 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
388 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
389 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
390 return;
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 }
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
393 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
394
423
fda5987b188d nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 422
diff changeset
395 } while (again);
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
396 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
397
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
398
521
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
399 static void
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
400 ngx_imap_proxy_close_session(ngx_imap_session_t *s)
418
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
401 {
521
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
402 if (s->proxy->upstream.connection) {
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
403 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
404 "close imap proxy connection: %d",
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
405 s->proxy->upstream.connection->fd);
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
406
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
407 ngx_close_connection(s->proxy->upstream.connection);
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
408 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
409
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
diff changeset
410 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
411 }
521
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
412
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
413
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
414 static void *
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
415 ngx_imap_proxy_create_conf(ngx_conf_t *cf)
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
416 {
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
417 ngx_imap_proxy_conf_t *pcf;
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
418
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
419 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_proxy_conf_t));
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
420 if (pcf == NULL) {
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
421 return NGX_CONF_ERROR;
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
422 }
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
423
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
424 pcf->enable = NGX_CONF_UNSET;
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
425
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
426 return pcf;
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
427 }
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
428
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
429
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
430 static char *
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
431 ngx_imap_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child)
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
432 {
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
433 ngx_imap_proxy_conf_t *prev = parent;
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
434 ngx_imap_proxy_conf_t *conf = child;
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
435
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
436 ngx_conf_merge_msec_value(conf->enable, prev->enable, 0);
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
437
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
438 return NGX_CONF_OK;
6f00349b98e5 nginx-0.1.35-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
439 }