Mercurial > hg > nginx
annotate src/mail/ngx_mail_imap_module.c @ 2309:8156bc03982a
smtp_auth none
patch by Maxim Dounin
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 13 Nov 2008 13:25:34 +0000 |
| parents | 2a92804f4109 |
| children | d620f497c50f |
| rev | line source |
|---|---|
| 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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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
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210 p = ngx_cpymem(p, ngx_mail_imap_auth_methods_names[i].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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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 | |
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parents:
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225 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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226 conf->starttls_capability.data = p; |
| 527 | 227 |
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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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changeset
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228 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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229 conf->capability.len - (sizeof(CRLF) - 1)); |
| 583 | 230 p = ngx_cpymem(p, " STARTTLS", sizeof(" STARTTLS") - 1); |
| 231 *p++ = CR; *p = LF; | |
| 232 | |
| 233 | |
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parents:
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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 | |
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Igor Sysoev <igor@sysoev.ru>
parents:
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242 conf->starttls_only_capability.len = size; |
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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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243 conf->starttls_only_capability.data = p; |
| 527 | 244 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
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245 p = ngx_cpymem(p, conf->capability.data, |
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f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
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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 } |