1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
* Copyright (C) Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
#define NGX_DEFLAUT_CERTIFICATE "cert.pem"
#define NGX_DEFLAUT_CERTIFICATE_KEY "cert.pem"
static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf);
static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf,
void *parent, void *child);
static ngx_command_t ngx_http_ssl_commands[] = {
{ ngx_string("ssl"),
NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_ssl_srv_conf_t, enable),
NULL },
{ ngx_string("ssl_certificate"),
NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_str_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_ssl_srv_conf_t, certificate),
NULL },
{ ngx_string("ssl_certificate_key"),
NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_str_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_ssl_srv_conf_t, certificate_key),
NULL },
{ ngx_string("ssl_ciphers"),
NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_str_slot,
NGX_HTTP_SRV_CONF_OFFSET,
offsetof(ngx_http_ssl_srv_conf_t, ciphers),
NULL },
ngx_null_command
};
static ngx_http_module_t ngx_http_ssl_module_ctx = {
NULL, /* preconfiguration */
NULL, /* postconfiguration */
NULL, /* create main configuration */
NULL, /* init main configuration */
ngx_http_ssl_create_srv_conf, /* create server configuration */
ngx_http_ssl_merge_srv_conf, /* merge server configuration */
NULL, /* create location configuration */
NULL /* merge location configuration */
};
ngx_module_t ngx_http_ssl_module = {
NGX_MODULE_V1,
&ngx_http_ssl_module_ctx, /* module context */
ngx_http_ssl_commands, /* module directives */
NGX_HTTP_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
NULL, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
static u_char ngx_http_session_id_ctx[] = "HTTP";
static void *
ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
{
ngx_http_ssl_srv_conf_t *scf;
scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t));
if (scf == NULL) {
return NGX_CONF_ERROR;
}
/*
* set by ngx_pcalloc():
*
* scf->certificate.len = 0;
* scf->certificate.data = NULL;
* scf->certificate_key.len = 0;
* scf->certificate_key.data = NULL;
* scf->ciphers.len = 0;
* scf->ciphers.data = NULL;
*/
scf->enable = NGX_CONF_UNSET;
return scf;
}
static char *
ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_http_ssl_srv_conf_t *prev = parent;
ngx_http_ssl_srv_conf_t *conf = child;
ngx_conf_merge_value(conf->enable, prev->enable, 0);
if (conf->enable == 0) {
return NGX_CONF_OK;
}
ngx_conf_merge_str_value(conf->certificate, prev->certificate,
NGX_DEFLAUT_CERTIFICATE);
ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key,
NGX_DEFLAUT_CERTIFICATE_KEY);
ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, "");
/* TODO: configure methods */
conf->ssl_ctx = SSL_CTX_new(SSLv23_server_method());
if (conf->ssl_ctx == NULL) {
ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, "SSL_CTX_new() failed");
return NGX_CONF_ERROR;
}
if (ngx_pool_cleanup_add(cf->pool, ngx_ssl_cleanup_ctx, conf->ssl_ctx)
== NULL)
{
return NGX_CONF_ERROR;
}
if (conf->ciphers.len) {
if (SSL_CTX_set_cipher_list(conf->ssl_ctx,
(const char *) conf->ciphers.data) == 0)
{
ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
"SSL_CTX_set_cipher_list(\"%V\") failed",
&conf->ciphers);
}
}
if (SSL_CTX_use_certificate_chain_file(conf->ssl_ctx,
(char *) conf->certificate.data) == 0)
{
ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
"SSL_CTX_use_certificate_chain_file(\"%s\") failed",
conf->certificate.data);
return NGX_CONF_ERROR;
}
if (SSL_CTX_use_PrivateKey_file(conf->ssl_ctx,
(char *) conf->certificate_key.data,
SSL_FILETYPE_PEM) == 0)
{
ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
"SSL_CTX_use_PrivateKey_file(\"%s\") failed",
conf->certificate_key.data);
return NGX_CONF_ERROR;
}
SSL_CTX_set_options(conf->ssl_ctx, SSL_OP_ALL);
SSL_CTX_set_mode(conf->ssl_ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
SSL_CTX_set_read_ahead(conf->ssl_ctx, 1);
SSL_CTX_set_session_cache_mode(conf->ssl_ctx, SSL_SESS_CACHE_SERVER);
SSL_CTX_set_session_id_context(conf->ssl_ctx, ngx_http_session_id_ctx,
sizeof(ngx_http_session_id_ctx) - 1);
return NGX_CONF_OK;
}
#if 0
/* how to enumrate server' configs */
static ngx_int_t
ngx_http_ssl_init_process(ngx_cycle_t *cycle)
{
ngx_uint_t i;
ngx_http_ssl_srv_conf_t *sscf;
ngx_http_core_srv_conf_t **cscfp;
ngx_http_core_main_conf_t *cmcf;
cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module);
cscfp = cmcf->servers.elts;
for (i = 0; i < cmcf->servers.nelts; i++) {
sscf = cscfp[i]->ctx->srv_conf[ngx_http_ssl_module.ctx_index];
if (sscf->enable) {
cscfp[i]->recv = ngx_ssl_recv;
cscfp[i]->send_chain = ngx_ssl_send_chain;
}
}
return NGX_OK;
}
#endif
|