2 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include <openssl/conf.h>
12 #include <openssl/ssl.h>
15 /* SSL library configuration module. */
17 struct ssl_conf_name
{
18 /* Name of this set of commands */
20 /* List of commands */
21 struct ssl_conf_cmd
*cmds
;
22 /* Number of commands */
33 static struct ssl_conf_name
*ssl_names
;
34 static size_t ssl_names_count
;
36 static void ssl_module_free(CONF_IMODULE
*md
)
39 if (ssl_names
== NULL
)
41 for (i
= 0; i
< ssl_names_count
; i
++) {
42 struct ssl_conf_name
*tname
= ssl_names
+ i
;
43 OPENSSL_free(tname
->name
);
44 for (j
= 0; j
< tname
->cmd_count
; j
++) {
45 OPENSSL_free(tname
->cmds
[j
].cmd
);
46 OPENSSL_free(tname
->cmds
[j
].arg
);
48 OPENSSL_free(tname
->cmds
);
50 OPENSSL_free(ssl_names
);
55 static int ssl_module_init(CONF_IMODULE
*md
, const CONF
*cnf
)
59 const char *ssl_conf_section
;
60 STACK_OF(CONF_VALUE
) *cmd_lists
;
61 ssl_conf_section
= CONF_imodule_get_value(md
);
62 cmd_lists
= NCONF_get_section(cnf
, ssl_conf_section
);
63 if (sk_CONF_VALUE_num(cmd_lists
) <= 0) {
64 if (cmd_lists
== NULL
)
65 SSLerr(SSL_F_SSL_MODULE_INIT
, SSL_R_SSL_SECTION_NOT_FOUND
);
67 SSLerr(SSL_F_SSL_MODULE_INIT
, SSL_R_SSL_SECTION_EMPTY
);
68 ERR_add_error_data(2, "section=", ssl_conf_section
);
71 cnt
= sk_CONF_VALUE_num(cmd_lists
);
72 ssl_names
= OPENSSL_zalloc(sizeof(*ssl_names
) * cnt
);
73 ssl_names_count
= cnt
;
74 for (i
= 0; i
< ssl_names_count
; i
++) {
75 struct ssl_conf_name
*ssl_name
= ssl_names
+ i
;
76 CONF_VALUE
*sect
= sk_CONF_VALUE_value(cmd_lists
, (int)i
);
77 STACK_OF(CONF_VALUE
) *cmds
= NCONF_get_section(cnf
, sect
->value
);
78 if (sk_CONF_VALUE_num(cmds
) <= 0) {
80 SSLerr(SSL_F_SSL_MODULE_INIT
,
81 SSL_R_SSL_COMMAND_SECTION_NOT_FOUND
);
83 SSLerr(SSL_F_SSL_MODULE_INIT
, SSL_R_SSL_COMMAND_SECTION_EMPTY
);
84 ERR_add_error_data(4, "name=", sect
->name
, ", value=", sect
->value
);
87 ssl_name
->name
= BUF_strdup(sect
->name
);
88 if (ssl_name
->name
== NULL
)
90 cnt
= sk_CONF_VALUE_num(cmds
);
91 ssl_name
->cmds
= OPENSSL_zalloc(cnt
* sizeof(struct ssl_conf_cmd
));
92 if (ssl_name
->cmds
== NULL
)
94 ssl_name
->cmd_count
= cnt
;
95 for (j
= 0; j
< cnt
; j
++) {
97 CONF_VALUE
*cmd_conf
= sk_CONF_VALUE_value(cmds
, (int)j
);
98 struct ssl_conf_cmd
*cmd
= ssl_name
->cmds
+ j
;
99 /* Skip any initial dot in name */
100 name
= strchr(cmd_conf
->name
, '.');
104 name
= cmd_conf
->name
;
105 cmd
->cmd
= BUF_strdup(name
);
106 cmd
->arg
= BUF_strdup(cmd_conf
->value
);
107 if (cmd
->cmd
== NULL
|| cmd
->arg
== NULL
)
119 void SSL_add_ssl_module(void)
121 CONF_module_add("ssl_conf", ssl_module_init
, ssl_module_free
);
124 static const struct ssl_conf_name
*ssl_name_find(const char *name
)
127 const struct ssl_conf_name
*nm
;
130 for (i
= 0, nm
= ssl_names
; i
< ssl_names_count
; i
++, nm
++) {
131 if (strcmp(nm
->name
, name
) == 0)
137 static int ssl_do_config(SSL
*s
, SSL_CTX
*ctx
, const char *name
)
139 SSL_CONF_CTX
*cctx
= NULL
;
143 const SSL_METHOD
*meth
;
144 const struct ssl_conf_name
*nm
;
145 struct ssl_conf_cmd
*cmd
;
146 if (s
== NULL
&& ctx
== NULL
) {
147 SSLerr(SSL_F_SSL_DO_CONFIG
, ERR_R_PASSED_NULL_PARAMETER
);
150 nm
= ssl_name_find(name
);
152 SSLerr(SSL_F_SSL_DO_CONFIG
, SSL_R_INVALID_CONFIGURATION_NAME
);
153 ERR_add_error_data(2, "name=", name
);
156 cctx
= SSL_CONF_CTX_new();
159 flags
= SSL_CONF_FLAG_FILE
;
160 flags
|= SSL_CONF_FLAG_CERTIFICATE
| SSL_CONF_FLAG_REQUIRE_PRIVATE
;
163 SSL_CONF_CTX_set_ssl(cctx
, s
);
166 SSL_CONF_CTX_set_ssl_ctx(cctx
, ctx
);
168 if (meth
->ssl_accept
!= ssl_undefined_function
)
169 flags
|= SSL_CONF_FLAG_SERVER
;
170 if (meth
->ssl_connect
!= ssl_undefined_function
)
171 flags
|= SSL_CONF_FLAG_CLIENT
;
172 SSL_CONF_CTX_set_flags(cctx
, flags
);
173 for (i
= 0, cmd
= nm
->cmds
; i
< nm
->cmd_count
; i
++, cmd
++) {
174 rv
= SSL_CONF_cmd(cctx
, cmd
->cmd
, cmd
->arg
);
177 SSLerr(SSL_F_SSL_DO_CONFIG
, SSL_R_UNKNOWN_COMMAND
);
179 SSLerr(SSL_F_SSL_DO_CONFIG
, SSL_R_BAD_VALUE
);
180 ERR_add_error_data(6, "section=", name
, ", cmd=", cmd
->cmd
,
185 rv
= SSL_CONF_CTX_finish(cctx
);
187 SSL_CONF_CTX_free(cctx
);
188 return rv
<= 0 ? 0 : 1;
191 int SSL_config(SSL
*s
, const char *name
)
193 return ssl_do_config(s
, NULL
, name
);
196 int SSL_CTX_config(SSL_CTX
*ctx
, const char *name
)
198 return ssl_do_config(NULL
, ctx
, name
);