| 1 | /*
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| 2 | * Copyright 2002-2019 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include <openssl/crypto.h>
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| 12 | #include "internal/cryptlib.h"
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| 13 | #include "internal/conf.h"
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| 14 | #include <openssl/x509.h>
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| 15 | #include <openssl/asn1.h>
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| 16 | #include <openssl/engine.h>
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| 17 |
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| 18 | #ifdef _WIN32
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| 19 | # define strdup _strdup
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| 20 | #endif
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| 21 |
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| 22 | /*
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| 23 | * This is the automatic configuration loader: it is called automatically by
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| 24 | * OpenSSL when any of a number of standard initialisation functions are
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| 25 | * called, unless this is overridden by calling OPENSSL_no_config()
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| 26 | */
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| 27 |
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| 28 | static int openssl_configured = 0;
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| 29 |
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| 30 | #if OPENSSL_API_COMPAT < 0x10100000L
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| 31 | void OPENSSL_config(const char *appname)
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| 32 | {
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| 33 | OPENSSL_INIT_SETTINGS settings;
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| 34 |
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| 35 | memset(&settings, 0, sizeof(settings));
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| 36 | if (appname != NULL)
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| 37 | settings.appname = strdup(appname);
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| 38 | settings.flags = DEFAULT_CONF_MFLAGS;
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| 39 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, &settings);
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| 40 | }
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| 41 | #endif
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| 42 |
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| 43 | int openssl_config_int(const OPENSSL_INIT_SETTINGS *settings)
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| 44 | {
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| 45 | int ret = 0;
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| 46 | const char *filename;
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| 47 | const char *appname;
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| 48 | unsigned long flags;
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| 49 |
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| 50 | if (openssl_configured)
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| 51 | return 1;
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| 52 |
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| 53 | filename = settings ? settings->filename : NULL;
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| 54 | appname = settings ? settings->appname : NULL;
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| 55 | flags = settings ? settings->flags : DEFAULT_CONF_MFLAGS;
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| 56 |
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| 57 | #ifdef OPENSSL_INIT_DEBUG
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| 58 | fprintf(stderr, "OPENSSL_INIT: openssl_config_int(%s, %s, %lu)\n",
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| 59 | filename, appname, flags);
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| 60 | #endif
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| 61 |
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| 62 | OPENSSL_load_builtin_modules();
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| 63 | #ifndef OPENSSL_NO_ENGINE
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| 64 | /* Need to load ENGINEs */
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| 65 | ENGINE_load_builtin_engines();
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| 66 | #endif
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| 67 | ERR_clear_error();
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| 68 | #ifndef OPENSSL_SYS_UEFI
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| 69 | ret = CONF_modules_load_file(filename, appname, flags);
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| 70 | #endif
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| 71 | openssl_configured = 1;
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| 72 | return ret;
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| 73 | }
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| 74 |
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| 75 | void openssl_no_config_int(void)
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| 76 | {
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| 77 | openssl_configured = 1;
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| 78 | }
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