Mercurial > hg > nginx
annotate src/mail/ngx_mail_smtp_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_smtp_module.h> |
| 521 | 12 |
| 13 | |
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14 static void *ngx_mail_smtp_create_srv_conf(ngx_conf_t *cf); |
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15 static char *ngx_mail_smtp_merge_srv_conf(ngx_conf_t *cf, void *parent, |
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16 void *child); |
| 527 | 17 |
| 18 | |
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19 static ngx_conf_bitmask_t ngx_mail_smtp_auth_methods[] = { |
| 1323 | 20 { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED }, |
| 21 { ngx_string("login"), NGX_MAIL_AUTH_LOGIN_ENABLED }, | |
| 22 { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED }, | |
| 2309 | 23 { ngx_string("none"), NGX_MAIL_AUTH_NONE_ENABLED }, |
| 1323 | 24 { ngx_null_string, 0 } |
| 25 }; | |
| 26 | |
| 27 | |
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28 static ngx_str_t ngx_mail_smtp_auth_methods_names[] = { |
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29 ngx_string("PLAIN"), |
| 1136 | 30 ngx_string("LOGIN"), |
| 31 ngx_null_string, /* APOP */ | |
| 2309 | 32 ngx_string("CRAM-MD5"), |
| 33 ngx_null_string /* NONE */ | |
| 1136 | 34 }; |
| 35 | |
| 36 | |
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37 static ngx_mail_protocol_t ngx_mail_smtp_protocol = { |
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38 ngx_string("smtp"), |
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39 { 25, 465, 587, 0 }, |
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40 NGX_MAIL_SMTP_PROTOCOL, |
| 809 | 41 |
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42 ngx_mail_smtp_init_session, |
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43 ngx_mail_smtp_init_protocol, |
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44 ngx_mail_smtp_parse_command, |
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45 ngx_mail_smtp_auth_state, |
| 809 | 46 |
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47 ngx_string("451 4.3.2 Internal server error" CRLF) |
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48 }; |
| 809 | 49 |
| 50 | |
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51 static ngx_command_t ngx_mail_smtp_commands[] = { |
| 521 | 52 |
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53 { ngx_string("smtp_client_buffer"), |
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54 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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55 ngx_conf_set_size_slot, |
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56 NGX_MAIL_SRV_CONF_OFFSET, |
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57 offsetof(ngx_mail_smtp_srv_conf_t, client_buffer_size), |
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58 NULL }, |
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59 |
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60 { ngx_string("smtp_greeting_delay"), |
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61 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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62 ngx_conf_set_msec_slot, |
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63 NGX_MAIL_SRV_CONF_OFFSET, |
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64 offsetof(ngx_mail_smtp_srv_conf_t, greeting_delay), |
| 1136 | 65 NULL }, |
| 66 | |
| 67 { ngx_string("smtp_capabilities"), | |
| 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_smtp_srv_conf_t, capabilities), |
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72 NULL }, |
| 1323 | 73 |
| 1136 | 74 { ngx_string("smtp_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_smtp_srv_conf_t, auth_methods), |
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79 &ngx_mail_smtp_auth_methods }, |
| 800 | 80 |
| 521 | 81 ngx_null_command |
| 82 }; | |
| 83 | |
| 84 | |
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85 static ngx_mail_module_t ngx_mail_smtp_module_ctx = { |
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86 &ngx_mail_smtp_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_smtp_create_srv_conf, /* create server configuration */ |
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92 ngx_mail_smtp_merge_srv_conf /* merge server configuration */ |
| 521 | 93 }; |
| 94 | |
| 95 | |
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96 ngx_module_t ngx_mail_smtp_module = { |
| 521 | 97 NGX_MODULE_V1, |
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98 &ngx_mail_smtp_module_ctx, /* module context */ |
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99 ngx_mail_smtp_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_smtp_create_srv_conf(ngx_conf_t *cf) |
| 577 | 114 { |
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115 ngx_mail_smtp_srv_conf_t *sscf; |
| 641 | 116 |
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117 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_smtp_srv_conf_t)); |
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118 if (sscf == NULL) { |
| 527 | 119 return NULL; |
| 521 | 120 } |
| 121 | |
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122 sscf->client_buffer_size = NGX_CONF_UNSET_SIZE; |
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123 sscf->greeting_delay = NGX_CONF_UNSET_MSEC; |
| 521 | 124 |
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125 if (ngx_array_init(&sscf->capabilities, cf->pool, 4, sizeof(ngx_str_t)) |
| 1136 | 126 != NGX_OK) |
| 127 { | |
| 128 return NULL; | |
| 129 } | |
| 130 | |
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131 return sscf; |
| 521 | 132 } |
| 133 | |
| 134 | |
| 135 static char * | |
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136 ngx_mail_smtp_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
| 521 | 137 { |
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138 ngx_mail_smtp_srv_conf_t *prev = parent; |
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139 ngx_mail_smtp_srv_conf_t *conf = child; |
| 521 | 140 |
| 2309 | 141 u_char *p, *auth, *last; |
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142 size_t size; |
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143 ngx_str_t *c; |
| 2309 | 144 ngx_uint_t i, m, auth_enabled; |
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145 ngx_mail_core_srv_conf_t *cscf; |
| 527 | 146 |
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147 ngx_conf_merge_size_value(conf->client_buffer_size, |
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148 prev->client_buffer_size, |
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149 (size_t) ngx_pagesize); |
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150 |
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151 ngx_conf_merge_msec_value(conf->greeting_delay, |
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152 prev->greeting_delay, 0); |
| 521 | 153 |
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154 ngx_conf_merge_bitmask_value(conf->auth_methods, |
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155 prev->auth_methods, |
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156 (NGX_CONF_BITMASK_SET |
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157 |NGX_MAIL_AUTH_PLAIN_ENABLED |
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158 |NGX_MAIL_AUTH_LOGIN_ENABLED)); |
| 800 | 159 |
| 160 | |
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161 cscf = ngx_mail_conf_get_module_srv_conf(cf, ngx_mail_core_module); |
| 527 | 162 |
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163 size = sizeof("220 ESMTP ready" CRLF) - 1 + cscf->server_name.len; |
| 809 | 164 |
| 2049 | 165 p = ngx_pnalloc(cf->pool, size); |
| 583 | 166 if (p == NULL) { |
| 527 | 167 return NGX_CONF_ERROR; |
| 168 } | |
| 169 | |
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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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170 conf->greeting.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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171 conf->greeting.data = p; |
| 527 | 172 |
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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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173 *p++ = '2'; *p++ = '2'; *p++ = '0'; *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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174 p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); |
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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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175 ngx_memcpy(p, " ESMTP ready" CRLF, sizeof(" ESMTP ready" CRLF) - 1); |
| 583 | 176 |
| 177 | |
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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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178 size = sizeof("250 " CRLF) - 1 + cscf->server_name.len; |
| 527 | 179 |
| 2049 | 180 p = ngx_pnalloc(cf->pool, size); |
| 583 | 181 if (p == NULL) { |
| 182 return NGX_CONF_ERROR; | |
| 183 } | |
| 184 | |
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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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185 conf->server_name.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:
1481
diff
changeset
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186 conf->server_name.data = p; |
| 583 | 187 |
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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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diff
changeset
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188 *p++ = '2'; *p++ = '5'; *p++ = '0'; *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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189 p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); |
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f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
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190 *p++ = CR; *p = LF; |
| 527 | 191 |
| 192 | |
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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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193 if (conf->capabilities.nelts == 0) { |
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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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194 conf->capabilities = prev->capabilities; |
| 1136 | 195 } |
| 196 | |
| 2309 | 197 size = sizeof("250-") - 1 + cscf->server_name.len + sizeof(CRLF) - 1; |
| 1136 | 198 |
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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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199 c = conf->capabilities.elts; |
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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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200 for (i = 0; i < conf->capabilities.nelts; i++) { |
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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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diff
changeset
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201 size += sizeof("250 ") - 1 + c[i].len + sizeof(CRLF) - 1; |
| 527 | 202 } |
| 203 | |
| 2309 | 204 auth_enabled = 0; |
| 205 | |
| 1323 | 206 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; |
| 207 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED; | |
| 208 m <<= 1, i++) | |
| 209 { | |
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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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diff
changeset
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210 if (m & conf->auth_methods) { |
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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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211 size += 1 + ngx_mail_smtp_auth_methods_names[i].len; |
| 2309 | 212 auth_enabled = 1; |
| 1323 | 213 } |
| 214 } | |
| 215 | |
| 2309 | 216 if (auth_enabled) { |
| 217 size += sizeof("250 AUTH") - 1 + sizeof(CRLF) - 1; | |
| 218 } | |
| 219 | |
| 2049 | 220 p = ngx_pnalloc(cf->pool, size); |
| 583 | 221 if (p == NULL) { |
| 222 return NGX_CONF_ERROR; | |
| 223 } | |
| 224 | |
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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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225 conf->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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diff
changeset
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226 conf->capability.data = p; |
| 1136 | 227 |
| 2309 | 228 last = p; |
| 229 | |
| 1136 | 230 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = '-'; |
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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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231 p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); |
| 1136 | 232 *p++ = CR; *p++ = LF; |
| 233 | |
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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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234 for (i = 0; i < conf->capabilities.nelts; i++) { |
| 2309 | 235 last = p; |
| 1136 | 236 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = '-'; |
| 237 p = ngx_cpymem(p, c[i].data, c[i].len); | |
| 238 *p++ = CR; *p++ = LF; | |
| 239 } | |
| 240 | |
| 1322 | 241 auth = p; |
| 242 | |
| 2309 | 243 if (auth_enabled) { |
| 244 last = p; | |
| 245 | |
| 246 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = ' '; | |
| 247 *p++ = 'A'; *p++ = 'U'; *p++ = 'T'; *p++ = 'H'; | |
| 1136 | 248 |
| 2309 | 249 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; |
| 250 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED; | |
| 251 m <<= 1, i++) | |
| 252 { | |
| 253 if (m & conf->auth_methods) { | |
| 254 *p++ = ' '; | |
| 255 p = ngx_cpymem(p, ngx_mail_smtp_auth_methods_names[i].data, | |
| 256 ngx_mail_smtp_auth_methods_names[i].len); | |
| 257 } | |
| 1136 | 258 } |
| 2309 | 259 |
| 260 *p++ = CR; *p = LF; | |
| 1136 | 261 |
| 2309 | 262 } else { |
| 263 last[3] = ' '; | |
| 264 } | |
| 1136 | 265 |
| 1322 | 266 size += sizeof("250 STARTTLS" CRLF) - 1; |
| 267 | |
| 2049 | 268 p = ngx_pnalloc(cf->pool, size); |
| 1322 | 269 if (p == NULL) { |
| 270 return NGX_CONF_ERROR; | |
| 271 } | |
| 272 | |
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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
|
273 conf->starttls_capability.len = size; |
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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
|
274 conf->starttls_capability.data = p; |
| 1322 | 275 |
| 2309 | 276 p = ngx_cpymem(p, conf->capability.data, conf->capability.len); |
| 1322 | 277 |
| 278 p = ngx_cpymem(p, "250 STARTTLS" CRLF, sizeof("250 STARTTLS" CRLF) - 1); | |
| 279 *p++ = CR; *p = LF; | |
| 280 | |
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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
|
281 p = conf->starttls_capability.data |
| 2309 | 282 + (last - conf->capability.data) + 3; |
| 1322 | 283 *p = '-'; |
| 284 | |
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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
|
285 size = (auth - conf->capability.data) |
| 1322 | 286 + sizeof("250 STARTTLS" CRLF) - 1; |
| 287 | |
| 2049 | 288 p = ngx_pnalloc(cf->pool, size); |
| 1322 | 289 if (p == NULL) { |
| 290 return NGX_CONF_ERROR; | |
| 291 } | |
| 292 | |
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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
|
293 conf->starttls_only_capability.len = size; |
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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
|
294 conf->starttls_only_capability.data = p; |
| 1322 | 295 |
| 2309 | 296 p = ngx_cpymem(p, conf->capability.data, auth - conf->capability.data); |
| 1322 | 297 |
| 298 ngx_memcpy(p, "250 STARTTLS" CRLF, sizeof("250 STARTTLS" CRLF) - 1); | |
| 299 | |
| 2309 | 300 if (last < auth) { |
| 301 p = conf->starttls_only_capability.data | |
| 302 + (last - conf->capability.data) + 3; | |
| 303 *p = '-'; | |
| 304 } | |
| 305 | |
| 521 | 306 return NGX_CONF_OK; |
| 307 } |