Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_ssl_module.c @ 563:9c2f3ed7a247 release-0.3.3
nginx-0.3.3-RELEASE import
*) Change: the "bl" and "af" parameters of the "listen" directive was
renamed to the "backlog" and "accept_filter".
*) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen"
directive.
*) Change: the "$msec" log parameter does not require now the
additional the gettimeofday() system call.
*) Feature: the -t switch now tests the "listen" directives.
*) Bugfix: if the invalid address was specified in the "listen"
directive, then after the -HUP signal nginx left an open socket in
the CLOSED state.
*) Bugfix: the mime type may be incorrectly set to default value for
index file with variable in the name; the bug had appeared in 0.3.0.
*) Feature: the "timer_resolution" directive.
*) Feature: the millisecond "$upstream_response_time" log parameter.
*) Bugfix: a temporary file with client request body now is removed
just after the response header was transferred to a client.
*) Bugfix: OpenSSL 0.9.6 compatibility.
*) Bugfix: the SSL certificate and key file paths could not be relative.
*) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in
the ngx_imap_ssl_module.
*) Bugfix: the "ssl_protocols" directive allowed to specify the single
protocol only.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 19 Oct 2005 12:33:58 +0000 |
parents | 818fbd4750b9 |
children | 58475592100c |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 #define NGX_DEFLAUT_CERTIFICATE "cert.pem" |
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12 #define NGX_DEFLAUT_CERTIFICATE_KEY "cert.pem" |
547 | 13 #define NGX_DEFLAUT_CIPHERS "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP" |
383
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14 |
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15 |
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16 static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf); |
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17 static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, |
501 | 18 void *parent, void *child); |
383
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19 |
563 | 20 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) |
21 | |
22 static char *ngx_http_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, | |
23 void *conf); | |
24 | |
25 static char ngx_http_ssl_openssl097[] = "OpenSSL 0.9.7 and higher"; | |
26 | |
27 #endif | |
28 | |
383
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29 |
547 | 30 static ngx_conf_bitmask_t ngx_http_ssl_protocols[] = { |
31 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
32 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
33 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
34 { ngx_null_string, 0 } | |
35 }; | |
36 | |
37 | |
563 | 38 |
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39 static ngx_command_t ngx_http_ssl_commands[] = { |
383
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40 |
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41 { ngx_string("ssl"), |
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42 NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
383
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43 ngx_conf_set_flag_slot, |
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44 NGX_HTTP_SRV_CONF_OFFSET, |
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45 offsetof(ngx_http_ssl_srv_conf_t, enable), |
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46 NULL }, |
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47 |
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48 { ngx_string("ssl_certificate"), |
393
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49 NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
383
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50 ngx_conf_set_str_slot, |
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51 NGX_HTTP_SRV_CONF_OFFSET, |
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52 offsetof(ngx_http_ssl_srv_conf_t, certificate), |
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53 NULL }, |
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54 |
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55 { ngx_string("ssl_certificate_key"), |
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56 NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
383
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57 ngx_conf_set_str_slot, |
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58 NGX_HTTP_SRV_CONF_OFFSET, |
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59 offsetof(ngx_http_ssl_srv_conf_t, certificate_key), |
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60 NULL }, |
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61 |
547 | 62 { ngx_string("ssl_protocols"), |
563 | 63 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, |
547 | 64 ngx_conf_set_bitmask_slot, |
65 NGX_HTTP_SRV_CONF_OFFSET, | |
66 offsetof(ngx_http_ssl_srv_conf_t, protocols), | |
67 &ngx_http_ssl_protocols }, | |
68 | |
479 | 69 { ngx_string("ssl_ciphers"), |
563 | 70 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
479 | 71 ngx_conf_set_str_slot, |
72 NGX_HTTP_SRV_CONF_OFFSET, | |
73 offsetof(ngx_http_ssl_srv_conf_t, ciphers), | |
74 NULL }, | |
75 | |
547 | 76 { ngx_string("ssl_prefer_server_ciphers"), |
77 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, | |
563 | 78 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
547 | 79 ngx_conf_set_flag_slot, |
80 NGX_HTTP_SRV_CONF_OFFSET, | |
81 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers), | |
82 NULL }, | |
563 | 83 #else |
84 ngx_http_ssl_nosupported, 0, 0, ngx_http_ssl_openssl097 }, | |
85 #endif | |
547 | 86 |
383
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87 ngx_null_command |
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88 }; |
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89 |
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90 |
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91 static ngx_http_module_t ngx_http_ssl_module_ctx = { |
509 | 92 NULL, /* preconfiguration */ |
93 NULL, /* postconfiguration */ | |
383
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94 |
541 | 95 NULL, /* create main configuration */ |
96 NULL, /* init main configuration */ | |
383
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97 |
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98 ngx_http_ssl_create_srv_conf, /* create server configuration */ |
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99 ngx_http_ssl_merge_srv_conf, /* merge server configuration */ |
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100 |
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101 NULL, /* create location configuration */ |
485 | 102 NULL /* merge location configuration */ |
383
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103 }; |
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104 |
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105 |
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106 ngx_module_t ngx_http_ssl_module = { |
509 | 107 NGX_MODULE_V1, |
395
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108 &ngx_http_ssl_module_ctx, /* module context */ |
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109 ngx_http_ssl_commands, /* module directives */ |
383
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110 NGX_HTTP_MODULE, /* module type */ |
541 | 111 NULL, /* init master */ |
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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 | |
383
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119 }; |
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120 |
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121 |
543 | 122 static u_char ngx_http_session_id_ctx[] = "HTTP"; |
123 | |
124 | |
501 | 125 static void * |
126 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf) | |
383
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127 { |
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128 ngx_http_ssl_srv_conf_t *scf; |
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129 |
501 | 130 scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t)); |
131 if (scf == NULL) { | |
383
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132 return NGX_CONF_ERROR; |
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133 } |
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134 |
479 | 135 /* |
136 * set by ngx_pcalloc(): | |
137 * | |
547 | 138 * scf->protocols = 0; |
139 | |
479 | 140 * scf->certificate.len = 0; |
141 * scf->certificate.data = NULL; | |
142 * scf->certificate_key.len = 0; | |
143 * scf->certificate_key.data = NULL; | |
144 * scf->ciphers.len = 0; | |
145 * scf->ciphers.data = NULL; | |
146 */ | |
147 | |
383
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148 scf->enable = NGX_CONF_UNSET; |
547 | 149 scf->prefer_server_ciphers = NGX_CONF_UNSET; |
383
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150 |
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151 return scf; |
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152 } |
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153 |
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154 |
501 | 155 static char * |
156 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
383
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157 { |
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158 ngx_http_ssl_srv_conf_t *prev = parent; |
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159 ngx_http_ssl_srv_conf_t *conf = child; |
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160 |
563 | 161 ngx_pool_cleanup_t *cln; |
162 | |
383
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163 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
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164 |
393
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165 if (conf->enable == 0) { |
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166 return NGX_CONF_OK; |
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167 } |
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168 |
547 | 169 ngx_conf_merge_value(conf->prefer_server_ciphers, |
170 prev->prefer_server_ciphers, 0); | |
171 | |
172 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, | |
173 (NGX_CONF_BITMASK_SET | |
174 |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)); | |
175 | |
383
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176 ngx_conf_merge_str_value(conf->certificate, prev->certificate, |
547 | 177 NGX_DEFLAUT_CERTIFICATE); |
383
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178 |
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179 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, |
547 | 180 NGX_DEFLAUT_CERTIFICATE_KEY); |
383
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181 |
547 | 182 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFLAUT_CIPHERS); |
479 | 183 |
184 | |
547 | 185 conf->ssl.log = cf->log; |
386
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186 |
547 | 187 if (ngx_ssl_create(&conf->ssl, conf->protocols) != NGX_OK) { |
386
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188 return NGX_CONF_ERROR; |
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189 } |
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190 |
563 | 191 cln = ngx_pool_cleanup_add(cf->pool, 0); |
192 if (cln == NULL) { | |
509 | 193 return NGX_CONF_ERROR; |
194 } | |
195 | |
563 | 196 cln->handler = ngx_ssl_cleanup_ctx; |
197 cln->data = &conf->ssl; | |
198 | |
199 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate, | |
200 &conf->certificate_key) != NGX_OK) | |
529 | 201 { |
386
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202 return NGX_CONF_ERROR; |
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203 } |
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204 |
547 | 205 if (SSL_CTX_set_cipher_list(conf->ssl.ctx, |
563 | 206 (const char *) conf->ciphers.data) |
207 == 0) | |
529 | 208 { |
395
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209 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, |
547 | 210 "SSL_CTX_set_cipher_list(\"%V\") failed", |
211 &conf->ciphers); | |
212 } | |
213 | |
563 | 214 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
215 | |
547 | 216 if (conf->prefer_server_ciphers) { |
217 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); | |
218 } | |
219 | |
563 | 220 #endif |
221 | |
547 | 222 /* a temporary 512-bit RSA key is required for export versions of MSIE */ |
223 if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) { | |
386
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224 return NGX_CONF_ERROR; |
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225 } |
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226 |
547 | 227 SSL_CTX_set_session_cache_mode(conf->ssl.ctx, SSL_SESS_CACHE_SERVER); |
543 | 228 |
547 | 229 SSL_CTX_set_session_id_context(conf->ssl.ctx, ngx_http_session_id_ctx, |
543 | 230 sizeof(ngx_http_session_id_ctx) - 1); |
541 | 231 |
383
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232 return NGX_CONF_OK; |
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233 } |
563 | 234 |
235 | |
236 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) | |
237 | |
238 static char * | |
239 ngx_http_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
240 { | |
241 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
242 "\"%V\" directive is available only in %s,", | |
243 &cmd->name, cmd->post); | |
244 | |
245 return NGX_CONF_ERROR; | |
246 } | |
247 | |
248 #endif |