Mercurial > hg > nginx
annotate src/mail/ngx_mail_imap_module.c @ 3195:b495a56f1f24
use real file cache length, this fixes cache size counting for responses
without "Content-Length" header and 304 responses.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 07 Oct 2009 12:55:58 +0000 |
parents | 8156bc03982a |
children | d620f497c50f |
rev | line source |
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521 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_event.h> | |
1136 | 10 #include <ngx_mail.h> |
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11 #include <ngx_mail_imap_module.h> |
521 | 12 |
13 | |
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14 static void *ngx_mail_imap_create_srv_conf(ngx_conf_t *cf); |
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15 static char *ngx_mail_imap_merge_srv_conf(ngx_conf_t *cf, void *parent, |
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16 void *child); |
521 | 17 |
18 | |
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19 static ngx_str_t ngx_mail_imap_default_capabilities[] = { |
527 | 20 ngx_string("IMAP4"), |
21 ngx_string("IMAP4rev1"), | |
22 ngx_string("UIDPLUS"), | |
23 ngx_null_string | |
24 }; | |
25 | |
26 | |
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27 static ngx_conf_bitmask_t ngx_mail_imap_auth_methods[] = { |
1323 | 28 { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED }, |
29 { ngx_string("login"), NGX_MAIL_AUTH_LOGIN_ENABLED }, | |
30 { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED }, | |
31 { ngx_null_string, 0 } | |
32 }; | |
33 | |
34 | |
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35 static ngx_str_t ngx_mail_imap_auth_methods_names[] = { |
1323 | 36 ngx_string("AUTH=PLAIN"), |
37 ngx_string("AUTH=LOGIN"), | |
38 ngx_null_string, /* APOP */ | |
2309 | 39 ngx_string("AUTH=CRAM-MD5"), |
40 ngx_null_string /* NONE */ | |
1323 | 41 }; |
42 | |
43 | |
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44 static ngx_mail_protocol_t ngx_mail_imap_protocol = { |
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45 ngx_string("imap"), |
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46 { 143, 993, 0, 0 }, |
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47 NGX_MAIL_IMAP_PROTOCOL, |
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48 |
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49 ngx_mail_imap_init_session, |
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50 ngx_mail_imap_init_protocol, |
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51 ngx_mail_imap_parse_command, |
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52 ngx_mail_imap_auth_state, |
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53 |
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54 ngx_string("* BAD internal server error" CRLF) |
1136 | 55 }; |
56 | |
57 | |
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58 static ngx_command_t ngx_mail_imap_commands[] = { |
521 | 59 |
60 { ngx_string("imap_client_buffer"), | |
1136 | 61 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
521 | 62 ngx_conf_set_size_slot, |
1136 | 63 NGX_MAIL_SRV_CONF_OFFSET, |
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64 offsetof(ngx_mail_imap_srv_conf_t, client_buffer_size), |
527 | 65 NULL }, |
66 | |
67 { ngx_string("imap_capabilities"), | |
1136 | 68 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, |
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69 ngx_mail_capabilities, |
1136 | 70 NGX_MAIL_SRV_CONF_OFFSET, |
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71 offsetof(ngx_mail_imap_srv_conf_t, capabilities), |
800 | 72 NULL }, |
73 | |
1323 | 74 { ngx_string("imap_auth"), |
75 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, | |
76 ngx_conf_set_bitmask_slot, | |
77 NGX_MAIL_SRV_CONF_OFFSET, | |
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78 offsetof(ngx_mail_imap_srv_conf_t, auth_methods), |
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79 &ngx_mail_imap_auth_methods }, |
800 | 80 |
521 | 81 ngx_null_command |
82 }; | |
83 | |
84 | |
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85 static ngx_mail_module_t ngx_mail_imap_module_ctx = { |
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86 &ngx_mail_imap_protocol, /* protocol */ |
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87 |
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88 NULL, /* create main configuration */ |
521 | 89 NULL, /* init main configuration */ |
90 | |
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91 ngx_mail_imap_create_srv_conf, /* create server configuration */ |
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92 ngx_mail_imap_merge_srv_conf /* merge server configuration */ |
521 | 93 }; |
94 | |
95 | |
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96 ngx_module_t ngx_mail_imap_module = { |
521 | 97 NGX_MODULE_V1, |
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98 &ngx_mail_imap_module_ctx, /* module context */ |
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99 ngx_mail_imap_commands, /* module directives */ |
1136 | 100 NGX_MAIL_MODULE, /* module type */ |
541 | 101 NULL, /* init master */ |
521 | 102 NULL, /* init module */ |
541 | 103 NULL, /* init process */ |
104 NULL, /* init thread */ | |
105 NULL, /* exit thread */ | |
106 NULL, /* exit process */ | |
107 NULL, /* exit master */ | |
108 NGX_MODULE_V1_PADDING | |
521 | 109 }; |
110 | |
111 | |
112 static void * | |
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113 ngx_mail_imap_create_srv_conf(ngx_conf_t *cf) |
577 | 114 { |
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115 ngx_mail_imap_srv_conf_t *iscf; |
641 | 116 |
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117 iscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_imap_srv_conf_t)); |
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118 if (iscf == NULL) { |
527 | 119 return NULL; |
521 | 120 } |
121 | |
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122 iscf->client_buffer_size = NGX_CONF_UNSET_SIZE; |
521 | 123 |
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124 if (ngx_array_init(&iscf->capabilities, cf->pool, 4, sizeof(ngx_str_t)) |
1136 | 125 != NGX_OK) |
126 { | |
127 return NULL; | |
128 } | |
129 | |
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130 return iscf; |
521 | 131 } |
132 | |
133 | |
134 static char * | |
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135 ngx_mail_imap_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
521 | 136 { |
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137 ngx_mail_imap_srv_conf_t *prev = parent; |
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138 ngx_mail_imap_srv_conf_t *conf = child; |
521 | 139 |
1322 | 140 u_char *p, *auth; |
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141 size_t size; |
527 | 142 ngx_str_t *c, *d; |
1136 | 143 ngx_uint_t i, m; |
527 | 144 |
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145 ngx_conf_merge_size_value(conf->client_buffer_size, |
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146 prev->client_buffer_size, |
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147 (size_t) ngx_pagesize); |
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148 |
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149 ngx_conf_merge_bitmask_value(conf->auth_methods, |
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150 prev->auth_methods, |
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151 (NGX_CONF_BITMASK_SET |
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152 |NGX_MAIL_AUTH_PLAIN_ENABLED)); |
1323 | 153 |
800 | 154 |
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155 if (conf->capabilities.nelts == 0) { |
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156 conf->capabilities = prev->capabilities; |
527 | 157 } |
158 | |
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159 if (conf->capabilities.nelts == 0) { |
527 | 160 |
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161 for (d = ngx_mail_imap_default_capabilities; d->len; d++) { |
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162 c = ngx_array_push(&conf->capabilities); |
527 | 163 if (c == NULL) { |
164 return NGX_CONF_ERROR; | |
165 } | |
166 | |
167 *c = *d; | |
168 } | |
169 } | |
170 | |
1136 | 171 size = sizeof("* CAPABILITY" CRLF) - 1; |
527 | 172 |
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173 c = conf->capabilities.elts; |
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174 for (i = 0; i < conf->capabilities.nelts; i++) { |
527 | 175 size += 1 + c[i].len; |
176 } | |
177 | |
1323 | 178 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; |
179 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED; | |
180 m <<= 1, i++) | |
181 { | |
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182 if (m & conf->auth_methods) { |
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183 size += 1 + ngx_mail_imap_auth_methods_names[i].len; |
1323 | 184 } |
185 } | |
186 | |
2049 | 187 p = ngx_pnalloc(cf->pool, size); |
583 | 188 if (p == NULL) { |
189 return NGX_CONF_ERROR; | |
190 } | |
191 | |
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192 conf->capability.len = size; |
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193 conf->capability.data = p; |
583 | 194 |
195 p = ngx_cpymem(p, "* CAPABILITY", sizeof("* CAPABILITY") - 1); | |
196 | |
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197 for (i = 0; i < conf->capabilities.nelts; i++) { |
583 | 198 *p++ = ' '; |
199 p = ngx_cpymem(p, c[i].data, c[i].len); | |
200 } | |
201 | |
1323 | 202 auth = p; |
203 | |
204 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; | |
205 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED; | |
206 m <<= 1, i++) | |
207 { | |
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208 if (m & conf->auth_methods) { |
1323 | 209 *p++ = ' '; |
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210 p = ngx_cpymem(p, ngx_mail_imap_auth_methods_names[i].data, |
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Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
211 ngx_mail_imap_auth_methods_names[i].len); |
1323 | 212 } |
213 } | |
214 | |
583 | 215 *p++ = CR; *p = LF; |
216 | |
217 | |
218 size += sizeof(" STARTTLS") - 1; | |
219 | |
2049 | 220 p = ngx_pnalloc(cf->pool, size); |
583 | 221 if (p == NULL) { |
527 | 222 return NGX_CONF_ERROR; |
223 } | |
224 | |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
225 conf->starttls_capability.len = size; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
226 conf->starttls_capability.data = p; |
527 | 227 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
228 p = ngx_cpymem(p, conf->capability.data, |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
229 conf->capability.len - (sizeof(CRLF) - 1)); |
583 | 230 p = ngx_cpymem(p, " STARTTLS", sizeof(" STARTTLS") - 1); |
231 *p++ = CR; *p = LF; | |
232 | |
233 | |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
234 size = (auth - conf->capability.data) + sizeof(CRLF) - 1 |
1323 | 235 + sizeof(" STARTTLS LOGINDISABLED") - 1; |
583 | 236 |
2049 | 237 p = ngx_pnalloc(cf->pool, size); |
583 | 238 if (p == NULL) { |
239 return NGX_CONF_ERROR; | |
527 | 240 } |
241 | |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
242 conf->starttls_only_capability.len = size; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
243 conf->starttls_only_capability.data = p; |
527 | 244 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
245 p = ngx_cpymem(p, conf->capability.data, |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
246 auth - conf->capability.data); |
1323 | 247 p = ngx_cpymem(p, " STARTTLS LOGINDISABLED", |
248 sizeof(" STARTTLS LOGINDISABLED") - 1); | |
583 | 249 *p++ = CR; *p = LF; |
250 | |
521 | 251 return NGX_CONF_OK; |
252 } |