2 * Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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>
13 #include "ssl_local.h"
14 #include "internal/sslconf.h"
16 /* SSL library configuration module. */
18 void SSL_add_ssl_module(void)
20 /* Do nothing. This will be added automatically by libcrypto */
23 static int ssl_do_config(SSL *s, SSL_CTX *ctx, const char *name, int system)
25 SSL_CONF_CTX *cctx = NULL;
26 size_t i, idx, cmd_count;
29 unsigned int conf_diagnostics = 0;
30 const SSL_METHOD *meth;
31 const SSL_CONF_CMD *cmds;
32 OSSL_LIB_CTX *prev_libctx = NULL;
33 OSSL_LIB_CTX *libctx = NULL;
35 if (s == NULL && ctx == NULL) {
36 ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
40 if (name == NULL && system)
41 name = "system_default";
42 if (!conf_ssl_name_find(name, &idx)) {
44 ERR_raise_data(ERR_LIB_SSL, SSL_R_INVALID_CONFIGURATION_NAME,
48 cmds = conf_ssl_get(idx, &name, &cmd_count);
49 cctx = SSL_CONF_CTX_new();
51 /* this is a fatal error, always report */
55 flags = SSL_CONF_FLAG_FILE;
57 flags |= SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE;
60 SSL_CONF_CTX_set_ssl(cctx, s);
61 libctx = s->ctx->libctx;
64 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
67 conf_diagnostics = OSSL_LIB_CTX_get_conf_diagnostics(libctx);
69 flags |= SSL_CONF_FLAG_SHOW_ERRORS;
70 if (meth->ssl_accept != ssl_undefined_function)
71 flags |= SSL_CONF_FLAG_SERVER;
72 if (meth->ssl_connect != ssl_undefined_function)
73 flags |= SSL_CONF_FLAG_CLIENT;
74 SSL_CONF_CTX_set_flags(cctx, flags);
75 prev_libctx = OSSL_LIB_CTX_set0_default(libctx);
77 for (i = 0; i < cmd_count; i++) {
81 conf_ssl_get_cmd(cmds, i, &cmdstr, &arg);
82 rv = SSL_CONF_cmd(cctx, cmdstr, arg);
86 if (!SSL_CONF_CTX_finish(cctx))
89 OSSL_LIB_CTX_set0_default(prev_libctx);
90 SSL_CONF_CTX_free(cctx);
91 return err == 0 || (system && !conf_diagnostics);
94 int SSL_config(SSL *s, const char *name)
96 return ssl_do_config(s, NULL, name, 0);
99 int SSL_CTX_config(SSL_CTX *ctx, const char *name)
101 return ssl_do_config(NULL, ctx, name, 0);
104 int ssl_ctx_system_config(SSL_CTX *ctx)
106 return ssl_do_config(NULL, ctx, NULL, 1);