|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_http.h>
|
|
|
10
|
|
|
11 #define NGX_DEFLAUT_CERTIFICATE "cert.pem"
|
|
|
12 #define NGX_DEFLAUT_CERTIFICATE_KEY "cert.pem"
|
|
96
|
13 #define NGX_DEFLAUT_CIPHERS "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP"
|
|
0
|
14
|
|
|
15
|
|
|
16 static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf);
|
|
|
17 static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf,
|
|
50
|
18 void *parent, void *child);
|
|
0
|
19
|
|
|
20
|
|
96
|
21 static ngx_conf_bitmask_t ngx_http_ssl_protocols[] = {
|
|
|
22 { ngx_string("SSLv2"), NGX_SSL_SSLv2 },
|
|
|
23 { ngx_string("SSLv3"), NGX_SSL_SSLv3 },
|
|
|
24 { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
|
|
|
25 { ngx_null_string, 0 }
|
|
|
26 };
|
|
|
27
|
|
|
28
|
|
0
|
29 static ngx_command_t ngx_http_ssl_commands[] = {
|
|
|
30
|
|
|
31 { ngx_string("ssl"),
|
|
|
32 NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
|
|
|
33 ngx_conf_set_flag_slot,
|
|
|
34 NGX_HTTP_SRV_CONF_OFFSET,
|
|
|
35 offsetof(ngx_http_ssl_srv_conf_t, enable),
|
|
|
36 NULL },
|
|
|
37
|
|
|
38 { ngx_string("ssl_certificate"),
|
|
|
39 NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
|
|
|
40 ngx_conf_set_str_slot,
|
|
|
41 NGX_HTTP_SRV_CONF_OFFSET,
|
|
|
42 offsetof(ngx_http_ssl_srv_conf_t, certificate),
|
|
|
43 NULL },
|
|
|
44
|
|
|
45 { ngx_string("ssl_certificate_key"),
|
|
|
46 NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
|
|
|
47 ngx_conf_set_str_slot,
|
|
|
48 NGX_HTTP_SRV_CONF_OFFSET,
|
|
|
49 offsetof(ngx_http_ssl_srv_conf_t, certificate_key),
|
|
|
50 NULL },
|
|
|
51
|
|
96
|
52 { ngx_string("ssl_protocols"),
|
|
|
53 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
|
|
|
54 ngx_conf_set_bitmask_slot,
|
|
|
55 NGX_HTTP_SRV_CONF_OFFSET,
|
|
|
56 offsetof(ngx_http_ssl_srv_conf_t, protocols),
|
|
|
57 &ngx_http_ssl_protocols },
|
|
|
58
|
|
28
|
59 { ngx_string("ssl_ciphers"),
|
|
96
|
60 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
|
|
28
|
61 ngx_conf_set_str_slot,
|
|
|
62 NGX_HTTP_SRV_CONF_OFFSET,
|
|
|
63 offsetof(ngx_http_ssl_srv_conf_t, ciphers),
|
|
|
64 NULL },
|
|
|
65
|
|
96
|
66 { ngx_string("ssl_prefer_server_ciphers"),
|
|
|
67 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
|
|
|
68 ngx_conf_set_flag_slot,
|
|
|
69 NGX_HTTP_SRV_CONF_OFFSET,
|
|
|
70 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers),
|
|
|
71 NULL },
|
|
|
72
|
|
0
|
73 ngx_null_command
|
|
|
74 };
|
|
|
75
|
|
|
76
|
|
|
77 static ngx_http_module_t ngx_http_ssl_module_ctx = {
|
|
58
|
78 NULL, /* preconfiguration */
|
|
|
79 NULL, /* postconfiguration */
|
|
0
|
80
|
|
90
|
81 NULL, /* create main configuration */
|
|
|
82 NULL, /* init main configuration */
|
|
0
|
83
|
|
|
84 ngx_http_ssl_create_srv_conf, /* create server configuration */
|
|
|
85 ngx_http_ssl_merge_srv_conf, /* merge server configuration */
|
|
|
86
|
|
|
87 NULL, /* create location configuration */
|
|
34
|
88 NULL /* merge location configuration */
|
|
0
|
89 };
|
|
|
90
|
|
|
91
|
|
|
92 ngx_module_t ngx_http_ssl_module = {
|
|
58
|
93 NGX_MODULE_V1,
|
|
0
|
94 &ngx_http_ssl_module_ctx, /* module context */
|
|
|
95 ngx_http_ssl_commands, /* module directives */
|
|
|
96 NGX_HTTP_MODULE, /* module type */
|
|
90
|
97 NULL, /* init master */
|
|
0
|
98 NULL, /* init module */
|
|
90
|
99 NULL, /* init process */
|
|
|
100 NULL, /* init thread */
|
|
|
101 NULL, /* exit thread */
|
|
|
102 NULL, /* exit process */
|
|
|
103 NULL, /* exit master */
|
|
|
104 NGX_MODULE_V1_PADDING
|
|
0
|
105 };
|
|
|
106
|
|
|
107
|
|
92
|
108 static u_char ngx_http_session_id_ctx[] = "HTTP";
|
|
|
109
|
|
|
110
|
|
50
|
111 static void *
|
|
|
112 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
|
|
0
|
113 {
|
|
|
114 ngx_http_ssl_srv_conf_t *scf;
|
|
|
115
|
|
50
|
116 scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t));
|
|
|
117 if (scf == NULL) {
|
|
0
|
118 return NGX_CONF_ERROR;
|
|
|
119 }
|
|
|
120
|
|
28
|
121 /*
|
|
|
122 * set by ngx_pcalloc():
|
|
|
123 *
|
|
96
|
124 * scf->protocols = 0;
|
|
|
125
|
|
28
|
126 * scf->certificate.len = 0;
|
|
|
127 * scf->certificate.data = NULL;
|
|
|
128 * scf->certificate_key.len = 0;
|
|
|
129 * scf->certificate_key.data = NULL;
|
|
|
130 * scf->ciphers.len = 0;
|
|
|
131 * scf->ciphers.data = NULL;
|
|
|
132 */
|
|
|
133
|
|
0
|
134 scf->enable = NGX_CONF_UNSET;
|
|
96
|
135 scf->prefer_server_ciphers = NGX_CONF_UNSET;
|
|
0
|
136
|
|
|
137 return scf;
|
|
|
138 }
|
|
|
139
|
|
|
140
|
|
50
|
141 static char *
|
|
|
142 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
0
|
143 {
|
|
|
144 ngx_http_ssl_srv_conf_t *prev = parent;
|
|
|
145 ngx_http_ssl_srv_conf_t *conf = child;
|
|
|
146
|
|
|
147 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
148
|
|
|
149 if (conf->enable == 0) {
|
|
|
150 return NGX_CONF_OK;
|
|
|
151 }
|
|
|
152
|
|
96
|
153 ngx_conf_merge_value(conf->prefer_server_ciphers,
|
|
|
154 prev->prefer_server_ciphers, 0);
|
|
|
155
|
|
|
156 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols,
|
|
|
157 (NGX_CONF_BITMASK_SET
|
|
|
158 |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1));
|
|
|
159
|
|
0
|
160 ngx_conf_merge_str_value(conf->certificate, prev->certificate,
|
|
96
|
161 NGX_DEFLAUT_CERTIFICATE);
|
|
0
|
162
|
|
|
163 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key,
|
|
96
|
164 NGX_DEFLAUT_CERTIFICATE_KEY);
|
|
0
|
165
|
|
96
|
166 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFLAUT_CIPHERS);
|
|
28
|
167
|
|
|
168
|
|
96
|
169 conf->ssl.log = cf->log;
|
|
0
|
170
|
|
96
|
171 if (ngx_ssl_create(&conf->ssl, conf->protocols) != NGX_OK) {
|
|
0
|
172 return NGX_CONF_ERROR;
|
|
|
173 }
|
|
|
174
|
|
96
|
175 if (ngx_pool_cleanup_add(cf->pool, ngx_ssl_cleanup_ctx, &conf->ssl) == NULL)
|
|
58
|
176 {
|
|
|
177 return NGX_CONF_ERROR;
|
|
|
178 }
|
|
|
179
|
|
96
|
180 if (ngx_ssl_certificate(&conf->ssl, conf->certificate.data,
|
|
|
181 conf->certificate_key.data) != NGX_OK)
|
|
78
|
182 {
|
|
0
|
183 return NGX_CONF_ERROR;
|
|
|
184 }
|
|
|
185
|
|
96
|
186 if (SSL_CTX_set_cipher_list(conf->ssl.ctx,
|
|
|
187 (const char *) conf->ciphers.data) == 0)
|
|
78
|
188 {
|
|
0
|
189 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
|
|
96
|
190 "SSL_CTX_set_cipher_list(\"%V\") failed",
|
|
|
191 &conf->ciphers);
|
|
|
192 }
|
|
|
193
|
|
|
194 if (conf->prefer_server_ciphers) {
|
|
|
195 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
|
|
|
196 }
|
|
|
197
|
|
|
198 /* a temporary 512-bit RSA key is required for export versions of MSIE */
|
|
|
199 if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) {
|
|
0
|
200 return NGX_CONF_ERROR;
|
|
|
201 }
|
|
|
202
|
|
96
|
203 SSL_CTX_set_session_cache_mode(conf->ssl.ctx, SSL_SESS_CACHE_SERVER);
|
|
92
|
204
|
|
96
|
205 SSL_CTX_set_session_id_context(conf->ssl.ctx, ngx_http_session_id_ctx,
|
|
92
|
206 sizeof(ngx_http_session_id_ctx) - 1);
|
|
90
|
207
|
|
0
|
208 return NGX_CONF_OK;
|
|
|
209 }
|
