|
539
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_imap.h>
|
|
|
10
|
|
|
11
|
|
|
12 #define NGX_DEFLAUT_CERTIFICATE "cert.pem"
|
|
|
13 #define NGX_DEFLAUT_CERTIFICATE_KEY "cert.pem"
|
|
|
14
|
|
|
15
|
|
|
16 static void *ngx_imap_ssl_create_conf(ngx_conf_t *cf);
|
|
|
17 static char *ngx_imap_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child);
|
|
|
18
|
|
|
19
|
|
|
20 static ngx_command_t ngx_imap_ssl_commands[] = {
|
|
|
21
|
|
|
22 { ngx_string("ssl"),
|
|
|
23 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_FLAG,
|
|
|
24 ngx_conf_set_flag_slot,
|
|
|
25 NGX_IMAP_SRV_CONF_OFFSET,
|
|
|
26 offsetof(ngx_imap_ssl_conf_t, enable),
|
|
|
27 NULL },
|
|
|
28
|
|
|
29 { ngx_string("ssl_certificate"),
|
|
|
30 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1,
|
|
|
31 ngx_conf_set_str_slot,
|
|
|
32 NGX_IMAP_SRV_CONF_OFFSET,
|
|
|
33 offsetof(ngx_imap_ssl_conf_t, certificate),
|
|
|
34 NULL },
|
|
|
35
|
|
|
36 { ngx_string("ssl_certificate_key"),
|
|
|
37 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1,
|
|
|
38 ngx_conf_set_str_slot,
|
|
|
39 NGX_IMAP_SRV_CONF_OFFSET,
|
|
|
40 offsetof(ngx_imap_ssl_conf_t, certificate_key),
|
|
|
41 NULL },
|
|
|
42
|
|
|
43 { ngx_string("ssl_ciphers"),
|
|
|
44 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1,
|
|
|
45 ngx_conf_set_str_slot,
|
|
|
46 NGX_IMAP_SRV_CONF_OFFSET,
|
|
|
47 offsetof(ngx_imap_ssl_conf_t, ciphers),
|
|
|
48 NULL },
|
|
|
49
|
|
|
50 ngx_null_command
|
|
|
51 };
|
|
|
52
|
|
|
53
|
|
|
54 static ngx_imap_module_t ngx_imap_ssl_module_ctx = {
|
|
|
55 NULL, /* create main configuration */
|
|
|
56 NULL, /* init main configuration */
|
|
|
57
|
|
|
58 ngx_imap_ssl_create_conf, /* create server configuration */
|
|
|
59 ngx_imap_ssl_merge_conf /* merge server configuration */
|
|
|
60 };
|
|
|
61
|
|
|
62
|
|
|
63 ngx_module_t ngx_imap_ssl_module = {
|
|
|
64 NGX_MODULE_V1,
|
|
|
65 &ngx_imap_ssl_module_ctx, /* module context */
|
|
|
66 ngx_imap_ssl_commands, /* module directives */
|
|
|
67 NGX_IMAP_MODULE, /* module type */
|
|
541
|
68 NULL, /* init master */
|
|
539
|
69 NULL, /* init module */
|
|
541
|
70 NULL, /* init process */
|
|
|
71 NULL, /* init thread */
|
|
|
72 NULL, /* exit thread */
|
|
|
73 NULL, /* exit process */
|
|
|
74 NULL, /* exit master */
|
|
|
75 NGX_MODULE_V1_PADDING
|
|
539
|
76 };
|
|
|
77
|
|
|
78
|
|
|
79 static void *
|
|
|
80 ngx_imap_ssl_create_conf(ngx_conf_t *cf)
|
|
|
81 {
|
|
|
82 ngx_imap_ssl_conf_t *scf;
|
|
|
83
|
|
|
84 scf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_ssl_conf_t));
|
|
|
85 if (scf == NULL) {
|
|
|
86 return NGX_CONF_ERROR;
|
|
|
87 }
|
|
|
88
|
|
|
89 /*
|
|
|
90 * set by ngx_pcalloc():
|
|
|
91 *
|
|
|
92 * scf->certificate.len = 0;
|
|
|
93 * scf->certificate.data = NULL;
|
|
|
94 * scf->certificate_key.len = 0;
|
|
|
95 * scf->certificate_key.data = NULL;
|
|
|
96 * scf->ciphers.len = 0;
|
|
|
97 * scf->ciphers.data = NULL;
|
|
|
98 */
|
|
|
99
|
|
|
100 scf->enable = NGX_CONF_UNSET;
|
|
|
101
|
|
|
102 return scf;
|
|
|
103 }
|
|
|
104
|
|
|
105
|
|
|
106 static char *
|
|
|
107 ngx_imap_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
108 {
|
|
|
109 ngx_imap_ssl_conf_t *prev = parent;
|
|
|
110 ngx_imap_ssl_conf_t *conf = child;
|
|
|
111
|
|
|
112 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
113
|
|
|
114 if (conf->enable == 0) {
|
|
|
115 return NGX_CONF_OK;
|
|
|
116 }
|
|
|
117
|
|
|
118 ngx_conf_merge_str_value(conf->certificate, prev->certificate,
|
|
|
119 NGX_DEFLAUT_CERTIFICATE);
|
|
|
120
|
|
|
121 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key,
|
|
|
122 NGX_DEFLAUT_CERTIFICATE_KEY);
|
|
|
123
|
|
|
124 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, "");
|
|
|
125
|
|
|
126
|
|
|
127 /* TODO: configure methods */
|
|
|
128
|
|
|
129 conf->ssl_ctx = SSL_CTX_new(SSLv23_server_method());
|
|
|
130
|
|
|
131 if (conf->ssl_ctx == NULL) {
|
|
|
132 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, "SSL_CTX_new() failed");
|
|
|
133 return NGX_CONF_ERROR;
|
|
|
134 }
|
|
|
135
|
|
|
136 if (ngx_pool_cleanup_add(cf->pool, ngx_ssl_cleanup_ctx, conf->ssl_ctx)
|
|
|
137 == NULL)
|
|
|
138 {
|
|
|
139 return NGX_CONF_ERROR;
|
|
|
140 }
|
|
|
141
|
|
|
142
|
|
|
143 #if 0
|
|
|
144 SSL_CTX_set_options(conf->ssl_ctx, SSL_OP_ALL);
|
|
|
145 SSL_CTX_set_options(conf->ssl_ctx, SSL_OP_NO_SSLv3);
|
|
|
146 SSL_CTX_set_options(conf->ssl_ctx, SSL_OP_SINGLE_DH_USE);
|
|
|
147 #endif
|
|
|
148
|
|
|
149 if (conf->ciphers.len) {
|
|
|
150 if (SSL_CTX_set_cipher_list(conf->ssl_ctx,
|
|
|
151 (const char *) conf->ciphers.data) == 0)
|
|
|
152 {
|
|
|
153 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
154 "SSL_CTX_set_cipher_list(\"%V\") failed",
|
|
|
155 &conf->ciphers);
|
|
|
156 }
|
|
|
157 }
|
|
|
158
|
|
|
159 if (SSL_CTX_use_certificate_chain_file(conf->ssl_ctx,
|
|
|
160 (char *) conf->certificate.data) == 0)
|
|
|
161 {
|
|
|
162 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
163 "SSL_CTX_use_certificate_chain_file(\"%s\") failed",
|
|
|
164 conf->certificate.data);
|
|
|
165 return NGX_CONF_ERROR;
|
|
|
166 }
|
|
|
167
|
|
|
168
|
|
|
169 if (SSL_CTX_use_PrivateKey_file(conf->ssl_ctx,
|
|
|
170 (char *) conf->certificate_key.data,
|
|
|
171 SSL_FILETYPE_PEM) == 0)
|
|
|
172 {
|
|
|
173 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
174 "SSL_CTX_use_PrivateKey_file(\"%s\") failed",
|
|
|
175 conf->certificate_key.data);
|
|
|
176 return NGX_CONF_ERROR;
|
|
|
177 }
|
|
|
178
|
|
541
|
179 SSL_CTX_set_verify(conf->ssl_ctx, SSL_VERIFY_NONE, NULL);
|
|
|
180
|
|
539
|
181 return NGX_CONF_OK;
|
|
|
182 }
|
