Mercurial > hg > nginx
annotate src/mail/ngx_mail_imap_module.c @ 9294:ea0eef2dd12c default tip
Resolver: allowed responses with AD bit set.
| author | Kirill A. Korinsky <kirill@korins.ky> |
|---|---|
| date | Sun, 16 Jun 2024 04:17:27 +0300 |
| parents | 4538c1ffb0f8 |
| children |
| rev | line source |
|---|---|
| 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 }, | |
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32 { ngx_string("external"), NGX_MAIL_AUTH_EXTERNAL_ENABLED }, |
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33 { ngx_string("xoauth2"), NGX_MAIL_AUTH_XOAUTH2_ENABLED }, |
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34 { ngx_string("oauthbearer"), NGX_MAIL_AUTH_OAUTHBEARER_ENABLED }, |
| 1323 | 35 { ngx_null_string, 0 } |
| 36 }; | |
| 37 | |
| 38 | |
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39 static ngx_str_t ngx_mail_imap_auth_methods_names[] = { |
| 1323 | 40 ngx_string("AUTH=PLAIN"), |
| 41 ngx_string("AUTH=LOGIN"), | |
| 42 ngx_null_string, /* APOP */ | |
| 2309 | 43 ngx_string("AUTH=CRAM-MD5"), |
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44 ngx_string("AUTH=EXTERNAL"), |
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45 ngx_string("AUTH=XOAUTH2"), |
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46 ngx_string("AUTH=OAUTHBEARER"), |
| 2309 | 47 ngx_null_string /* NONE */ |
| 1323 | 48 }; |
| 49 | |
| 50 | |
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51 static ngx_mail_protocol_t ngx_mail_imap_protocol = { |
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52 ngx_string("imap"), |
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53 ngx_string("\x04imap"), |
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54 { 143, 993, 0, 0 }, |
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55 NGX_MAIL_IMAP_PROTOCOL, |
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56 |
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57 ngx_mail_imap_init_session, |
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58 ngx_mail_imap_init_protocol, |
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59 ngx_mail_imap_parse_command, |
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60 ngx_mail_imap_auth_state, |
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61 |
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62 ngx_string("* BAD internal server error" CRLF), |
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63 ngx_string("* BYE SSL certificate error" CRLF), |
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64 ngx_string("* BYE No required SSL certificate" CRLF) |
| 1136 | 65 }; |
| 66 | |
| 67 | |
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68 static ngx_command_t ngx_mail_imap_commands[] = { |
| 521 | 69 |
| 70 { ngx_string("imap_client_buffer"), | |
| 1136 | 71 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 521 | 72 ngx_conf_set_size_slot, |
| 1136 | 73 NGX_MAIL_SRV_CONF_OFFSET, |
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74 offsetof(ngx_mail_imap_srv_conf_t, client_buffer_size), |
| 527 | 75 NULL }, |
| 76 | |
| 77 { ngx_string("imap_capabilities"), | |
| 1136 | 78 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, |
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79 ngx_mail_capabilities, |
| 1136 | 80 NGX_MAIL_SRV_CONF_OFFSET, |
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81 offsetof(ngx_mail_imap_srv_conf_t, capabilities), |
| 800 | 82 NULL }, |
| 83 | |
| 1323 | 84 { ngx_string("imap_auth"), |
| 85 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, | |
| 86 ngx_conf_set_bitmask_slot, | |
| 87 NGX_MAIL_SRV_CONF_OFFSET, | |
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88 offsetof(ngx_mail_imap_srv_conf_t, auth_methods), |
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89 &ngx_mail_imap_auth_methods }, |
| 800 | 90 |
| 521 | 91 ngx_null_command |
| 92 }; | |
| 93 | |
| 94 | |
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95 static ngx_mail_module_t ngx_mail_imap_module_ctx = { |
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96 &ngx_mail_imap_protocol, /* protocol */ |
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97 |
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98 NULL, /* create main configuration */ |
| 521 | 99 NULL, /* init main configuration */ |
| 100 | |
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101 ngx_mail_imap_create_srv_conf, /* create server configuration */ |
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102 ngx_mail_imap_merge_srv_conf /* merge server configuration */ |
| 521 | 103 }; |
| 104 | |
| 105 | |
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106 ngx_module_t ngx_mail_imap_module = { |
| 521 | 107 NGX_MODULE_V1, |
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108 &ngx_mail_imap_module_ctx, /* module context */ |
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109 ngx_mail_imap_commands, /* module directives */ |
| 1136 | 110 NGX_MAIL_MODULE, /* module type */ |
| 541 | 111 NULL, /* init master */ |
| 521 | 112 NULL, /* init module */ |
| 541 | 113 NULL, /* init process */ |
| 114 NULL, /* init thread */ | |
| 115 NULL, /* exit thread */ | |
| 116 NULL, /* exit process */ | |
| 117 NULL, /* exit master */ | |
| 118 NGX_MODULE_V1_PADDING | |
| 521 | 119 }; |
| 120 | |
| 121 | |
| 122 static void * | |
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123 ngx_mail_imap_create_srv_conf(ngx_conf_t *cf) |
| 577 | 124 { |
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125 ngx_mail_imap_srv_conf_t *iscf; |
| 641 | 126 |
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127 iscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_imap_srv_conf_t)); |
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128 if (iscf == NULL) { |
| 527 | 129 return NULL; |
| 521 | 130 } |
| 131 | |
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132 iscf->client_buffer_size = NGX_CONF_UNSET_SIZE; |
| 521 | 133 |
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134 if (ngx_array_init(&iscf->capabilities, cf->pool, 4, sizeof(ngx_str_t)) |
| 1136 | 135 != NGX_OK) |
| 136 { | |
| 137 return NULL; | |
| 138 } | |
| 139 | |
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140 return iscf; |
| 521 | 141 } |
| 142 | |
| 143 | |
| 144 static char * | |
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145 ngx_mail_imap_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
| 521 | 146 { |
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147 ngx_mail_imap_srv_conf_t *prev = parent; |
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148 ngx_mail_imap_srv_conf_t *conf = child; |
| 521 | 149 |
| 1322 | 150 u_char *p, *auth; |
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151 size_t size; |
| 527 | 152 ngx_str_t *c, *d; |
| 1136 | 153 ngx_uint_t i, m; |
| 527 | 154 |
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155 ngx_conf_merge_size_value(conf->client_buffer_size, |
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156 prev->client_buffer_size, |
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157 (size_t) ngx_pagesize); |
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158 |
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159 ngx_conf_merge_bitmask_value(conf->auth_methods, |
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160 prev->auth_methods, |
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161 (NGX_CONF_BITMASK_SET |
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162 |NGX_MAIL_AUTH_PLAIN_ENABLED)); |
| 1323 | 163 |
| 800 | 164 |
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165 if (conf->capabilities.nelts == 0) { |
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166 conf->capabilities = prev->capabilities; |
| 527 | 167 } |
| 168 | |
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169 if (conf->capabilities.nelts == 0) { |
| 527 | 170 |
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171 for (d = ngx_mail_imap_default_capabilities; d->len; d++) { |
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172 c = ngx_array_push(&conf->capabilities); |
| 527 | 173 if (c == NULL) { |
| 174 return NGX_CONF_ERROR; | |
| 175 } | |
| 176 | |
| 177 *c = *d; | |
| 178 } | |
| 179 } | |
| 180 | |
| 1136 | 181 size = sizeof("* CAPABILITY" CRLF) - 1; |
| 527 | 182 |
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183 c = conf->capabilities.elts; |
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184 for (i = 0; i < conf->capabilities.nelts; i++) { |
| 527 | 185 size += 1 + c[i].len; |
| 186 } | |
| 187 | |
| 1323 | 188 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; |
|
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Mail: added support for XOAUTH2 and OAUTHBEARER authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7938
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changeset
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189 m < NGX_MAIL_AUTH_NONE_ENABLED; |
| 1323 | 190 m <<= 1, i++) |
| 191 { | |
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Igor Sysoev <igor@sysoev.ru>
parents:
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192 if (m & conf->auth_methods) { |
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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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193 size += 1 + ngx_mail_imap_auth_methods_names[i].len; |
| 1323 | 194 } |
| 195 } | |
| 196 | |
| 2049 | 197 p = ngx_pnalloc(cf->pool, size); |
| 583 | 198 if (p == NULL) { |
| 199 return NGX_CONF_ERROR; | |
| 200 } | |
| 201 | |
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Igor Sysoev <igor@sysoev.ru>
parents:
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202 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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changeset
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203 conf->capability.data = p; |
| 583 | 204 |
| 205 p = ngx_cpymem(p, "* CAPABILITY", sizeof("* CAPABILITY") - 1); | |
| 206 | |
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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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207 for (i = 0; i < conf->capabilities.nelts; i++) { |
| 583 | 208 *p++ = ' '; |
| 209 p = ngx_cpymem(p, c[i].data, c[i].len); | |
| 210 } | |
| 211 | |
| 1323 | 212 auth = p; |
| 213 | |
| 214 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; | |
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9290
4538c1ffb0f8
Mail: added support for XOAUTH2 and OAUTHBEARER authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7938
diff
changeset
|
215 m < NGX_MAIL_AUTH_NONE_ENABLED; |
| 1323 | 216 m <<= 1, i++) |
| 217 { | |
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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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218 if (m & conf->auth_methods) { |
| 1323 | 219 *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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220 p = ngx_cpymem(p, ngx_mail_imap_auth_methods_names[i].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:
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diff
changeset
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221 ngx_mail_imap_auth_methods_names[i].len); |
| 1323 | 222 } |
| 223 } | |
| 224 | |
| 583 | 225 *p++ = CR; *p = LF; |
| 226 | |
| 227 | |
| 228 size += sizeof(" STARTTLS") - 1; | |
| 229 | |
| 2049 | 230 p = ngx_pnalloc(cf->pool, size); |
| 583 | 231 if (p == NULL) { |
| 527 | 232 return NGX_CONF_ERROR; |
| 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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changeset
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235 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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changeset
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236 conf->starttls_capability.data = p; |
| 527 | 237 |
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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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238 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:
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changeset
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239 conf->capability.len - (sizeof(CRLF) - 1)); |
| 583 | 240 p = ngx_cpymem(p, " STARTTLS", sizeof(" STARTTLS") - 1); |
| 241 *p++ = CR; *p = LF; | |
| 242 | |
| 243 | |
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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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244 size = (auth - conf->capability.data) + sizeof(CRLF) - 1 |
| 1323 | 245 + sizeof(" STARTTLS LOGINDISABLED") - 1; |
| 583 | 246 |
| 2049 | 247 p = ngx_pnalloc(cf->pool, size); |
| 583 | 248 if (p == NULL) { |
| 249 return NGX_CONF_ERROR; | |
| 527 | 250 } |
| 251 | |
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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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252 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:
1481
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changeset
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253 conf->starttls_only_capability.data = p; |
| 527 | 254 |
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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
|
255 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
|
256 auth - conf->capability.data); |
| 1323 | 257 p = ngx_cpymem(p, " STARTTLS LOGINDISABLED", |
| 258 sizeof(" STARTTLS LOGINDISABLED") - 1); | |
| 583 | 259 *p++ = CR; *p = LF; |
| 260 | |
| 521 | 261 return NGX_CONF_OK; |
| 262 } |