mirror of https://github.com/openssl/openssl.git
108 lines
3.0 KiB
C
108 lines
3.0 KiB
C
/*
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* Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <openssl/conf.h>
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#include <openssl/ssl.h>
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#include "ssl_local.h"
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#include "internal/sslconf.h"
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/* SSL library configuration module. */
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void SSL_add_ssl_module(void)
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{
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/* Do nothing. This will be added automatically by libcrypto */
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}
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static int ssl_do_config(SSL *s, SSL_CTX *ctx, const char *name, int system)
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{
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SSL_CONF_CTX *cctx = NULL;
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size_t i, idx, cmd_count;
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int err = 1;
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unsigned int flags;
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unsigned int conf_diagnostics = 0;
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const SSL_METHOD *meth;
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const SSL_CONF_CMD *cmds;
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OSSL_LIB_CTX *prev_libctx = NULL;
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OSSL_LIB_CTX *libctx = NULL;
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if (s == NULL && ctx == NULL) {
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ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
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goto err;
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}
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if (name == NULL && system)
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name = "system_default";
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if (!conf_ssl_name_find(name, &idx)) {
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if (!system)
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ERR_raise_data(ERR_LIB_SSL, SSL_R_INVALID_CONFIGURATION_NAME,
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"name=%s", name);
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goto err;
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}
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cmds = conf_ssl_get(idx, &name, &cmd_count);
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cctx = SSL_CONF_CTX_new();
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if (cctx == NULL) {
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/* this is a fatal error, always report */
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system = 0;
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goto err;
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}
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flags = SSL_CONF_FLAG_FILE;
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if (!system)
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flags |= SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE;
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if (s != NULL) {
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meth = s->method;
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SSL_CONF_CTX_set_ssl(cctx, s);
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libctx = s->ctx->libctx;
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} else {
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meth = ctx->method;
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SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
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libctx = ctx->libctx;
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}
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conf_diagnostics = OSSL_LIB_CTX_get_conf_diagnostics(libctx);
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if (conf_diagnostics)
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flags |= SSL_CONF_FLAG_SHOW_ERRORS;
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if (meth->ssl_accept != ssl_undefined_function)
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flags |= SSL_CONF_FLAG_SERVER;
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if (meth->ssl_connect != ssl_undefined_function)
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flags |= SSL_CONF_FLAG_CLIENT;
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SSL_CONF_CTX_set_flags(cctx, flags);
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prev_libctx = OSSL_LIB_CTX_set0_default(libctx);
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err = 0;
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for (i = 0; i < cmd_count; i++) {
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char *cmdstr, *arg;
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int rv;
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conf_ssl_get_cmd(cmds, i, &cmdstr, &arg);
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rv = SSL_CONF_cmd(cctx, cmdstr, arg);
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if (rv <= 0)
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++err;
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}
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if (!SSL_CONF_CTX_finish(cctx))
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++err;
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err:
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OSSL_LIB_CTX_set0_default(prev_libctx);
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SSL_CONF_CTX_free(cctx);
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return err == 0 || (system && !conf_diagnostics);
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}
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int SSL_config(SSL *s, const char *name)
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{
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return ssl_do_config(s, NULL, name, 0);
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}
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int SSL_CTX_config(SSL_CTX *ctx, const char *name)
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{
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return ssl_do_config(NULL, ctx, name, 0);
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}
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int ssl_ctx_system_config(SSL_CTX *ctx)
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{
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return ssl_do_config(NULL, ctx, NULL, 1);
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}
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