Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail_imap_module.c @ 5137:f941cf265cc5
Use NGX_FILE_ERROR for handling file operations errors.
On Win32 platforms 0 is used to indicate errors in file operations, so
comparing against -1 is not portable.
This was not much of an issue in patched code, since only ngx_fd_info() test
is actually reachable on Win32 and in worst case it might result in bogus
error log entry.
Patch by Piotr Sikora.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Mon, 25 Mar 2013 15:49:11 +0000 |
parents | d620f497c50f |
children | ec01b1d1fff1 |
rev | line source |
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521 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
521 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_event.h> | |
1136 | 11 #include <ngx_mail.h> |
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12 #include <ngx_mail_imap_module.h> |
521 | 13 |
14 | |
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15 static void *ngx_mail_imap_create_srv_conf(ngx_conf_t *cf); |
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16 static char *ngx_mail_imap_merge_srv_conf(ngx_conf_t *cf, void *parent, |
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17 void *child); |
521 | 18 |
19 | |
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20 static ngx_str_t ngx_mail_imap_default_capabilities[] = { |
527 | 21 ngx_string("IMAP4"), |
22 ngx_string("IMAP4rev1"), | |
23 ngx_string("UIDPLUS"), | |
24 ngx_null_string | |
25 }; | |
26 | |
27 | |
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28 static ngx_conf_bitmask_t ngx_mail_imap_auth_methods[] = { |
1323 | 29 { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED }, |
30 { ngx_string("login"), NGX_MAIL_AUTH_LOGIN_ENABLED }, | |
31 { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED }, | |
32 { ngx_null_string, 0 } | |
33 }; | |
34 | |
35 | |
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36 static ngx_str_t ngx_mail_imap_auth_methods_names[] = { |
1323 | 37 ngx_string("AUTH=PLAIN"), |
38 ngx_string("AUTH=LOGIN"), | |
39 ngx_null_string, /* APOP */ | |
2309 | 40 ngx_string("AUTH=CRAM-MD5"), |
41 ngx_null_string /* NONE */ | |
1323 | 42 }; |
43 | |
44 | |
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45 static ngx_mail_protocol_t ngx_mail_imap_protocol = { |
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46 ngx_string("imap"), |
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47 { 143, 993, 0, 0 }, |
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48 NGX_MAIL_IMAP_PROTOCOL, |
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49 |
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50 ngx_mail_imap_init_session, |
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51 ngx_mail_imap_init_protocol, |
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52 ngx_mail_imap_parse_command, |
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53 ngx_mail_imap_auth_state, |
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54 |
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55 ngx_string("* BAD internal server error" CRLF) |
1136 | 56 }; |
57 | |
58 | |
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59 static ngx_command_t ngx_mail_imap_commands[] = { |
521 | 60 |
61 { ngx_string("imap_client_buffer"), | |
1136 | 62 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
521 | 63 ngx_conf_set_size_slot, |
1136 | 64 NGX_MAIL_SRV_CONF_OFFSET, |
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65 offsetof(ngx_mail_imap_srv_conf_t, client_buffer_size), |
527 | 66 NULL }, |
67 | |
68 { ngx_string("imap_capabilities"), | |
1136 | 69 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, |
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70 ngx_mail_capabilities, |
1136 | 71 NGX_MAIL_SRV_CONF_OFFSET, |
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72 offsetof(ngx_mail_imap_srv_conf_t, capabilities), |
800 | 73 NULL }, |
74 | |
1323 | 75 { ngx_string("imap_auth"), |
76 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, | |
77 ngx_conf_set_bitmask_slot, | |
78 NGX_MAIL_SRV_CONF_OFFSET, | |
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79 offsetof(ngx_mail_imap_srv_conf_t, auth_methods), |
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80 &ngx_mail_imap_auth_methods }, |
800 | 81 |
521 | 82 ngx_null_command |
83 }; | |
84 | |
85 | |
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86 static ngx_mail_module_t ngx_mail_imap_module_ctx = { |
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87 &ngx_mail_imap_protocol, /* protocol */ |
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88 |
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89 NULL, /* create main configuration */ |
521 | 90 NULL, /* init main configuration */ |
91 | |
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92 ngx_mail_imap_create_srv_conf, /* create server configuration */ |
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93 ngx_mail_imap_merge_srv_conf /* merge server configuration */ |
521 | 94 }; |
95 | |
96 | |
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97 ngx_module_t ngx_mail_imap_module = { |
521 | 98 NGX_MODULE_V1, |
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99 &ngx_mail_imap_module_ctx, /* module context */ |
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100 ngx_mail_imap_commands, /* module directives */ |
1136 | 101 NGX_MAIL_MODULE, /* module type */ |
541 | 102 NULL, /* init master */ |
521 | 103 NULL, /* init module */ |
541 | 104 NULL, /* init process */ |
105 NULL, /* init thread */ | |
106 NULL, /* exit thread */ | |
107 NULL, /* exit process */ | |
108 NULL, /* exit master */ | |
109 NGX_MODULE_V1_PADDING | |
521 | 110 }; |
111 | |
112 | |
113 static void * | |
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114 ngx_mail_imap_create_srv_conf(ngx_conf_t *cf) |
577 | 115 { |
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116 ngx_mail_imap_srv_conf_t *iscf; |
641 | 117 |
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118 iscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_imap_srv_conf_t)); |
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119 if (iscf == NULL) { |
527 | 120 return NULL; |
521 | 121 } |
122 | |
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123 iscf->client_buffer_size = NGX_CONF_UNSET_SIZE; |
521 | 124 |
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125 if (ngx_array_init(&iscf->capabilities, cf->pool, 4, sizeof(ngx_str_t)) |
1136 | 126 != NGX_OK) |
127 { | |
128 return NULL; | |
129 } | |
130 | |
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131 return iscf; |
521 | 132 } |
133 | |
134 | |
135 static char * | |
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136 ngx_mail_imap_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
521 | 137 { |
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138 ngx_mail_imap_srv_conf_t *prev = parent; |
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139 ngx_mail_imap_srv_conf_t *conf = child; |
521 | 140 |
1322 | 141 u_char *p, *auth; |
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142 size_t size; |
527 | 143 ngx_str_t *c, *d; |
1136 | 144 ngx_uint_t i, m; |
527 | 145 |
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146 ngx_conf_merge_size_value(conf->client_buffer_size, |
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147 prev->client_buffer_size, |
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148 (size_t) ngx_pagesize); |
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149 |
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150 ngx_conf_merge_bitmask_value(conf->auth_methods, |
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151 prev->auth_methods, |
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152 (NGX_CONF_BITMASK_SET |
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153 |NGX_MAIL_AUTH_PLAIN_ENABLED)); |
1323 | 154 |
800 | 155 |
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156 if (conf->capabilities.nelts == 0) { |
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157 conf->capabilities = prev->capabilities; |
527 | 158 } |
159 | |
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160 if (conf->capabilities.nelts == 0) { |
527 | 161 |
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162 for (d = ngx_mail_imap_default_capabilities; d->len; d++) { |
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163 c = ngx_array_push(&conf->capabilities); |
527 | 164 if (c == NULL) { |
165 return NGX_CONF_ERROR; | |
166 } | |
167 | |
168 *c = *d; | |
169 } | |
170 } | |
171 | |
1136 | 172 size = sizeof("* CAPABILITY" CRLF) - 1; |
527 | 173 |
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174 c = conf->capabilities.elts; |
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175 for (i = 0; i < conf->capabilities.nelts; i++) { |
527 | 176 size += 1 + c[i].len; |
177 } | |
178 | |
1323 | 179 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; |
180 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED; | |
181 m <<= 1, i++) | |
182 { | |
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183 if (m & conf->auth_methods) { |
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184 size += 1 + ngx_mail_imap_auth_methods_names[i].len; |
1323 | 185 } |
186 } | |
187 | |
2049 | 188 p = ngx_pnalloc(cf->pool, size); |
583 | 189 if (p == NULL) { |
190 return NGX_CONF_ERROR; | |
191 } | |
192 | |
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193 conf->capability.len = size; |
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194 conf->capability.data = p; |
583 | 195 |
196 p = ngx_cpymem(p, "* CAPABILITY", sizeof("* CAPABILITY") - 1); | |
197 | |
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198 for (i = 0; i < conf->capabilities.nelts; i++) { |
583 | 199 *p++ = ' '; |
200 p = ngx_cpymem(p, c[i].data, c[i].len); | |
201 } | |
202 | |
1323 | 203 auth = p; |
204 | |
205 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; | |
206 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED; | |
207 m <<= 1, i++) | |
208 { | |
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209 if (m & conf->auth_methods) { |
1323 | 210 *p++ = ' '; |
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211 p = ngx_cpymem(p, ngx_mail_imap_auth_methods_names[i].data, |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
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212 ngx_mail_imap_auth_methods_names[i].len); |
1323 | 213 } |
214 } | |
215 | |
583 | 216 *p++ = CR; *p = LF; |
217 | |
218 | |
219 size += sizeof(" STARTTLS") - 1; | |
220 | |
2049 | 221 p = ngx_pnalloc(cf->pool, size); |
583 | 222 if (p == NULL) { |
527 | 223 return NGX_CONF_ERROR; |
224 } | |
225 | |
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226 conf->starttls_capability.len = size; |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
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227 conf->starttls_capability.data = p; |
527 | 228 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
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229 p = ngx_cpymem(p, conf->capability.data, |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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230 conf->capability.len - (sizeof(CRLF) - 1)); |
583 | 231 p = ngx_cpymem(p, " STARTTLS", sizeof(" STARTTLS") - 1); |
232 *p++ = CR; *p = LF; | |
233 | |
234 | |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
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235 size = (auth - conf->capability.data) + sizeof(CRLF) - 1 |
1323 | 236 + sizeof(" STARTTLS LOGINDISABLED") - 1; |
583 | 237 |
2049 | 238 p = ngx_pnalloc(cf->pool, size); |
583 | 239 if (p == NULL) { |
240 return NGX_CONF_ERROR; | |
527 | 241 } |
242 | |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
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changeset
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243 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:
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changeset
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244 conf->starttls_only_capability.data = p; |
527 | 245 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
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changeset
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246 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
|
247 auth - conf->capability.data); |
1323 | 248 p = ngx_cpymem(p, " STARTTLS LOGINDISABLED", |
249 sizeof(" STARTTLS LOGINDISABLED") - 1); | |
583 | 250 *p++ = CR; *p = LF; |
251 | |
521 | 252 return NGX_CONF_OK; |
253 } |