Mercurial > hg > nginx
annotate src/mail/ngx_mail_smtp_module.c @ 9296:af5b47569cb2
Core: fixed ENOSPC handling for error logs.
For each connection a new ngx_log_t structure is created, and saving
anything into disk_full_time field in this structure doesn't affect
other connections. Fix is to move the disk_full_time field into the
ngx_open_file_t structure.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 25 Jun 2024 22:57:57 +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_smtp_module.h> |
| 521 | 13 |
| 14 | |
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15 static void *ngx_mail_smtp_create_srv_conf(ngx_conf_t *cf); |
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16 static char *ngx_mail_smtp_merge_srv_conf(ngx_conf_t *cf, void *parent, |
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17 void *child); |
| 527 | 18 |
| 19 | |
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20 static ngx_conf_bitmask_t ngx_mail_smtp_auth_methods[] = { |
| 1323 | 21 { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED }, |
| 22 { ngx_string("login"), NGX_MAIL_AUTH_LOGIN_ENABLED }, | |
| 23 { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED }, | |
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24 { ngx_string("external"), NGX_MAIL_AUTH_EXTERNAL_ENABLED }, |
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25 { ngx_string("xoauth2"), NGX_MAIL_AUTH_XOAUTH2_ENABLED }, |
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26 { ngx_string("oauthbearer"), NGX_MAIL_AUTH_OAUTHBEARER_ENABLED }, |
| 2309 | 27 { ngx_string("none"), NGX_MAIL_AUTH_NONE_ENABLED }, |
| 1323 | 28 { ngx_null_string, 0 } |
| 29 }; | |
| 30 | |
| 31 | |
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32 static ngx_str_t ngx_mail_smtp_auth_methods_names[] = { |
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33 ngx_string("PLAIN"), |
| 1136 | 34 ngx_string("LOGIN"), |
| 35 ngx_null_string, /* APOP */ | |
| 2309 | 36 ngx_string("CRAM-MD5"), |
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37 ngx_string("EXTERNAL"), |
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38 ngx_string("XOAUTH2"), |
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39 ngx_string("OAUTHBEARER"), |
| 2309 | 40 ngx_null_string /* NONE */ |
| 1136 | 41 }; |
| 42 | |
| 43 | |
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44 static ngx_mail_protocol_t ngx_mail_smtp_protocol = { |
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45 ngx_string("smtp"), |
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46 ngx_string("\x04smtp"), |
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47 { 25, 465, 587, 0 }, |
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48 NGX_MAIL_SMTP_PROTOCOL, |
| 809 | 49 |
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50 ngx_mail_smtp_init_session, |
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51 ngx_mail_smtp_init_protocol, |
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52 ngx_mail_smtp_parse_command, |
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53 ngx_mail_smtp_auth_state, |
| 809 | 54 |
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55 ngx_string("451 4.3.2 Internal server error" CRLF), |
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56 ngx_string("421 4.7.1 SSL certificate error" CRLF), |
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57 ngx_string("421 4.7.1 No required SSL certificate" CRLF) |
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58 }; |
| 809 | 59 |
| 60 | |
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61 static ngx_command_t ngx_mail_smtp_commands[] = { |
| 521 | 62 |
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63 { ngx_string("smtp_client_buffer"), |
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64 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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65 ngx_conf_set_size_slot, |
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66 NGX_MAIL_SRV_CONF_OFFSET, |
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67 offsetof(ngx_mail_smtp_srv_conf_t, client_buffer_size), |
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68 NULL }, |
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69 |
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70 { ngx_string("smtp_greeting_delay"), |
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71 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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72 ngx_conf_set_msec_slot, |
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73 NGX_MAIL_SRV_CONF_OFFSET, |
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74 offsetof(ngx_mail_smtp_srv_conf_t, greeting_delay), |
| 1136 | 75 NULL }, |
| 76 | |
| 77 { ngx_string("smtp_capabilities"), | |
| 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_smtp_srv_conf_t, capabilities), |
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82 NULL }, |
| 1323 | 83 |
| 1136 | 84 { ngx_string("smtp_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_smtp_srv_conf_t, auth_methods), |
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89 &ngx_mail_smtp_auth_methods }, |
| 800 | 90 |
| 521 | 91 ngx_null_command |
| 92 }; | |
| 93 | |
| 94 | |
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95 static ngx_mail_module_t ngx_mail_smtp_module_ctx = { |
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96 &ngx_mail_smtp_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_smtp_create_srv_conf, /* create server configuration */ |
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102 ngx_mail_smtp_merge_srv_conf /* merge server configuration */ |
| 521 | 103 }; |
| 104 | |
| 105 | |
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106 ngx_module_t ngx_mail_smtp_module = { |
| 521 | 107 NGX_MODULE_V1, |
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108 &ngx_mail_smtp_module_ctx, /* module context */ |
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109 ngx_mail_smtp_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_smtp_create_srv_conf(ngx_conf_t *cf) |
| 577 | 124 { |
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125 ngx_mail_smtp_srv_conf_t *sscf; |
| 641 | 126 |
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127 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_smtp_srv_conf_t)); |
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128 if (sscf == NULL) { |
| 527 | 129 return NULL; |
| 521 | 130 } |
| 131 | |
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132 sscf->client_buffer_size = NGX_CONF_UNSET_SIZE; |
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133 sscf->greeting_delay = NGX_CONF_UNSET_MSEC; |
| 521 | 134 |
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135 if (ngx_array_init(&sscf->capabilities, cf->pool, 4, sizeof(ngx_str_t)) |
| 1136 | 136 != NGX_OK) |
| 137 { | |
| 138 return NULL; | |
| 139 } | |
| 140 | |
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141 return sscf; |
| 521 | 142 } |
| 143 | |
| 144 | |
| 145 static char * | |
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146 ngx_mail_smtp_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
| 521 | 147 { |
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148 ngx_mail_smtp_srv_conf_t *prev = parent; |
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149 ngx_mail_smtp_srv_conf_t *conf = child; |
| 521 | 150 |
| 2309 | 151 u_char *p, *auth, *last; |
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152 size_t size; |
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153 ngx_str_t *c; |
| 2309 | 154 ngx_uint_t i, m, auth_enabled; |
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155 ngx_mail_core_srv_conf_t *cscf; |
| 527 | 156 |
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157 ngx_conf_merge_size_value(conf->client_buffer_size, |
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158 prev->client_buffer_size, |
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159 (size_t) ngx_pagesize); |
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160 |
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161 ngx_conf_merge_msec_value(conf->greeting_delay, |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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162 prev->greeting_delay, 0); |
| 521 | 163 |
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164 ngx_conf_merge_bitmask_value(conf->auth_methods, |
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165 prev->auth_methods, |
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166 (NGX_CONF_BITMASK_SET |
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167 |NGX_MAIL_AUTH_PLAIN_ENABLED |
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168 |NGX_MAIL_AUTH_LOGIN_ENABLED)); |
| 800 | 169 |
| 170 | |
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171 cscf = ngx_mail_conf_get_module_srv_conf(cf, ngx_mail_core_module); |
| 527 | 172 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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173 size = sizeof("220 ESMTP ready" CRLF) - 1 + cscf->server_name.len; |
| 809 | 174 |
| 2049 | 175 p = ngx_pnalloc(cf->pool, size); |
| 583 | 176 if (p == NULL) { |
| 527 | 177 return NGX_CONF_ERROR; |
| 178 } | |
| 179 | |
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180 conf->greeting.len = size; |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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181 conf->greeting.data = p; |
| 527 | 182 |
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183 *p++ = '2'; *p++ = '2'; *p++ = '0'; *p++ = ' '; |
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184 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
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185 ngx_memcpy(p, " ESMTP ready" CRLF, sizeof(" ESMTP ready" CRLF) - 1); |
| 583 | 186 |
| 187 | |
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188 size = sizeof("250 " CRLF) - 1 + cscf->server_name.len; |
| 527 | 189 |
| 2049 | 190 p = ngx_pnalloc(cf->pool, size); |
| 583 | 191 if (p == NULL) { |
| 192 return NGX_CONF_ERROR; | |
| 193 } | |
| 194 | |
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195 conf->server_name.len = size; |
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196 conf->server_name.data = p; |
| 583 | 197 |
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198 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = ' '; |
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199 p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); |
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200 *p++ = CR; *p = LF; |
| 527 | 201 |
| 202 | |
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203 if (conf->capabilities.nelts == 0) { |
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204 conf->capabilities = prev->capabilities; |
| 1136 | 205 } |
| 206 | |
| 2309 | 207 size = sizeof("250-") - 1 + cscf->server_name.len + sizeof(CRLF) - 1; |
| 1136 | 208 |
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209 c = conf->capabilities.elts; |
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210 for (i = 0; i < conf->capabilities.nelts; i++) { |
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211 size += sizeof("250 ") - 1 + c[i].len + sizeof(CRLF) - 1; |
| 527 | 212 } |
| 213 | |
| 2309 | 214 auth_enabled = 0; |
| 215 | |
| 1323 | 216 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; |
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Maxim Dounin <mdounin@mdounin.ru>
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217 m < NGX_MAIL_AUTH_NONE_ENABLED; |
| 1323 | 218 m <<= 1, i++) |
| 219 { | |
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220 if (m & conf->auth_methods) { |
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parents:
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221 size += 1 + ngx_mail_smtp_auth_methods_names[i].len; |
| 2309 | 222 auth_enabled = 1; |
| 1323 | 223 } |
| 224 } | |
| 225 | |
| 2309 | 226 if (auth_enabled) { |
| 227 size += sizeof("250 AUTH") - 1 + sizeof(CRLF) - 1; | |
| 228 } | |
| 229 | |
| 2049 | 230 p = ngx_pnalloc(cf->pool, size); |
| 583 | 231 if (p == NULL) { |
| 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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235 conf->capability.len = size; |
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236 conf->capability.data = p; |
| 1136 | 237 |
| 2309 | 238 last = p; |
| 239 | |
| 1136 | 240 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = '-'; |
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241 p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); |
| 1136 | 242 *p++ = CR; *p++ = LF; |
| 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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244 for (i = 0; i < conf->capabilities.nelts; i++) { |
| 2309 | 245 last = p; |
| 1136 | 246 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = '-'; |
| 247 p = ngx_cpymem(p, c[i].data, c[i].len); | |
| 248 *p++ = CR; *p++ = LF; | |
| 249 } | |
| 250 | |
| 1322 | 251 auth = p; |
| 252 | |
| 2309 | 253 if (auth_enabled) { |
| 254 last = p; | |
| 255 | |
| 256 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = ' '; | |
| 257 *p++ = 'A'; *p++ = 'U'; *p++ = 'T'; *p++ = 'H'; | |
| 1136 | 258 |
| 2309 | 259 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
|
260 m < NGX_MAIL_AUTH_NONE_ENABLED; |
| 2309 | 261 m <<= 1, i++) |
| 262 { | |
| 263 if (m & conf->auth_methods) { | |
| 264 *p++ = ' '; | |
| 265 p = ngx_cpymem(p, ngx_mail_smtp_auth_methods_names[i].data, | |
| 266 ngx_mail_smtp_auth_methods_names[i].len); | |
| 267 } | |
| 1136 | 268 } |
| 2309 | 269 |
| 270 *p++ = CR; *p = LF; | |
| 1136 | 271 |
| 2309 | 272 } else { |
| 273 last[3] = ' '; | |
| 274 } | |
| 1136 | 275 |
| 1322 | 276 size += sizeof("250 STARTTLS" CRLF) - 1; |
| 277 | |
| 2049 | 278 p = ngx_pnalloc(cf->pool, size); |
| 1322 | 279 if (p == NULL) { |
| 280 return NGX_CONF_ERROR; | |
| 281 } | |
| 282 | |
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283 conf->starttls_capability.len = size; |
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284 conf->starttls_capability.data = p; |
| 1322 | 285 |
| 2309 | 286 p = ngx_cpymem(p, conf->capability.data, conf->capability.len); |
| 1322 | 287 |
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288 ngx_memcpy(p, "250 STARTTLS" CRLF, sizeof("250 STARTTLS" CRLF) - 1); |
| 1322 | 289 |
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290 p = conf->starttls_capability.data |
| 2309 | 291 + (last - conf->capability.data) + 3; |
| 1322 | 292 *p = '-'; |
| 293 | |
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294 size = (auth - conf->capability.data) |
| 1322 | 295 + sizeof("250 STARTTLS" CRLF) - 1; |
| 296 | |
| 2049 | 297 p = ngx_pnalloc(cf->pool, size); |
| 1322 | 298 if (p == NULL) { |
| 299 return NGX_CONF_ERROR; | |
| 300 } | |
| 301 | |
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302 conf->starttls_only_capability.len = size; |
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parents:
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diff
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303 conf->starttls_only_capability.data = p; |
| 1322 | 304 |
| 2309 | 305 p = ngx_cpymem(p, conf->capability.data, auth - conf->capability.data); |
| 1322 | 306 |
| 307 ngx_memcpy(p, "250 STARTTLS" CRLF, sizeof("250 STARTTLS" CRLF) - 1); | |
| 308 | |
| 2309 | 309 if (last < auth) { |
| 310 p = conf->starttls_only_capability.data | |
| 311 + (last - conf->capability.data) + 3; | |
| 312 *p = '-'; | |
| 313 } | |
| 314 | |
| 521 | 315 return NGX_CONF_OK; |
| 316 } |