| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2002-2019 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 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 |
| 8 | */ |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | #include <openssl/crypto.h> |
| 12 | #include "internal/cryptlib.h" |
| 13 | #include "internal/conf.h" |
| 14 | #include <openssl/x509.h> |
| 15 | #include <openssl/asn1.h> |
| 16 | #include <openssl/engine.h> |
| 17 | |
| 18 | #ifdef _WIN32 |
| 19 | # define strdup _strdup |
| 20 | #endif |
| 21 | |
| 22 | /* |
| 23 | * This is the automatic configuration loader: it is called automatically by |
| 24 | * OpenSSL when any of a number of standard initialisation functions are |
| 25 | * called, unless this is overridden by calling OPENSSL_no_config() |
| 26 | */ |
| 27 | |
| 28 | static int openssl_configured = 0; |
| 29 | |
| 30 | #if OPENSSL_API_COMPAT < 0x10100000L |
| 31 | void OPENSSL_config(const char *appname) |
| 32 | { |
| 33 | OPENSSL_INIT_SETTINGS settings; |
| 34 | |
| 35 | memset(&settings, 0, sizeof(settings)); |
| 36 | if (appname != NULL) |
| 37 | settings.appname = strdup(appname); |
| 38 | settings.flags = DEFAULT_CONF_MFLAGS; |
| 39 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, &settings); |
| 40 | } |
| 41 | #endif |
| 42 | |
| 43 | int openssl_config_int(const OPENSSL_INIT_SETTINGS *settings) |
| 44 | { |
| 45 | int ret = 0; |
| 46 | const char *filename; |
| 47 | const char *appname; |
| 48 | unsigned long flags; |
| 49 | |
| 50 | if (openssl_configured) |
| 51 | return 1; |
| 52 | |
| 53 | filename = settings ? settings->filename : NULL; |
| 54 | appname = settings ? settings->appname : NULL; |
| 55 | flags = settings ? settings->flags : DEFAULT_CONF_MFLAGS; |
| 56 | |
| 57 | #ifdef OPENSSL_INIT_DEBUG |
| 58 | fprintf(stderr, "OPENSSL_INIT: openssl_config_int(%s, %s, %lu)\n", |
| 59 | filename, appname, flags); |
| 60 | #endif |
| 61 | |
| 62 | OPENSSL_load_builtin_modules(); |
| 63 | #ifndef OPENSSL_NO_ENGINE |
| 64 | /* Need to load ENGINEs */ |
| 65 | ENGINE_load_builtin_engines(); |
| 66 | #endif |
| 67 | ERR_clear_error(); |
| 68 | #ifndef OPENSSL_SYS_UEFI |
| 69 | ret = CONF_modules_load_file(filename, appname, flags); |
| 70 | #endif |
| 71 | openssl_configured = 1; |
| 72 | return ret; |
| 73 | } |
| 74 | |
| 75 | void openssl_no_config_int(void) |
| 76 | { |
| 77 | openssl_configured = 1; |
| 78 | } |