[英]how I can enforce OpenSSL to use my system's root CA if I make my application for linux or for windows 10 or later?
我正在制作以下代码:
#include <stdio.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <shlwapi.h>
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32) && !defined(__CYGWIN__)
#define _WINSOCK_DEPRECATED_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#include <winsock2.h>
#include <ws2tcpip.h>
#include <shlwapi.h>
// Need to link with Ws2_32.lib, Mswsock.lib, and Advapi32.lib
#pragma comment (lib, "Ws2_32.lib")
//#pragma comment (lib, "Mswsock.lib")
//#pragma comment (lib, "AdvApi32.lib")
#define WIN32_LEAN_AND_MEAN
int verifyCerts( SSL_CTX* ctx )
{
// directory where executable is
char path[MAX_PATH] = "";
memset(path, 0, MAX_PATH);
GetModuleFileName(0, path, MAX_PATH);
PathRemoveFileSpec(path);
sprintf(path,"%s\\%s",path,"certificates");
printf("\nCert path %s\n",path);
sprintf(path,"%s\\%s",path,"certificates");
printf("\nCert path %s\n",path);
int value = SSL_CTX_load_verify_locations(ctx,NULL,path);
}
#else // By default use system's CA root
int verifyCerts( SSL_CTX* ctx )
{
}
#endif
SSL_CTX* InitCTX(void)
{
OpenSSL_add_all_algorithms();
SSL_load_error_strings();
const SSL_METHOD* method = SSLv23_method();
SSL_CTX* ctx = SSL_CTX_new(method);
SSL_CTX_set_options(ctx, SSL_OP_ALL | SSL_OP_NO_TLSv1_1 | SSL_OP_NO_TLSv1);
if (ctx == NULL)
{
ERR_print_errors_fp(stderr);
abort();
}
int value = verifyCerts( ctx );
if(value == 0) {
printf("Certificate error\n");
exit(1);
}
SSL_CTX_set_verify(ctx,SSL_VERIFY_PEER,NULL);
return ctx;
}
就我而言,我想做以下事情:
那么我如何确保后一种情况也适用呢?
在#else
部分只需放置以下代码:
int verifyCerts( SSL_CTX* ctx )
{
const char *path = getenv(X509_get_default_cert_dir_env());
if (!path){
path = X509_get_default_cert_dir();
}
return SSL_CTX_load_verify_locations(ctx,NULL,path);
}
这将允许 linux 系统使用默认证书路径进行验证。 因此,对于 Wonders XP,我们只能使用自定义 mingw 标志。
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