Mercurial > hg > nginx
annotate src/mail/ngx_mail_imap_module.c @ 9230:e14debe728b0 radix_with_skip
Closed the radix_with_skip branch.
The radix_with_skip branch is an archive of an experiment did in 2008,
and it is no longer relevant. It is now closed to avoid cluttering of
the branches list. If needed, closed branches still can be seen with
"hg branches --closed".
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Sat, 23 Mar 2024 04:30:45 +0300 |
| parents | 8156bc03982a |
| 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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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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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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225 conf->starttls_capability.len = size; |
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226 conf->starttls_capability.data = p; |
| 527 | 227 |
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parents:
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228 p = ngx_cpymem(p, conf->capability.data, |
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parents:
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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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parents:
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242 conf->starttls_only_capability.len = size; |
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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
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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 } |