Winpr/openssl: Fix digests initialization in multi-thread

SSL functions like OpenSSL_add_all_digests should be invoked at very beginning as they are not MT safe.
If not we might meet double free exception as following:

 #0  0x00007f23ddd71c37 in raise () from /lib/x86_64-linux-gnu/libc.so.6
 #1  0x00007f23ddd75028 in abort () from /lib/x86_64-linux-gnu/libc.so.6
 #2  0x00007f23dddae2a4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
 #3  0x00007f23dddba55e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
 #4  0x00007f23dc6ecfcd in CRYPTO_free () from /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
 #5  0x00007f23dc6ef8d1 in OBJ_NAME_add () from /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
 #6  0x00007f23dc77dcd8 in EVP_add_digest () from /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
 #7  0x00007f23dc782321 in OpenSSL_add_all_digests () from /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
 #8  0x00007f23c781da28 in winpr_openssl_get_evp_md (md=4) at /home/zihao/workspace/zihao_FreeRDP/winpr/libwinpr/crypto/hash.c:52
 #9  0x00007f23c781dccb in winpr_Digest_Init (ctx=0x7f22d064d470, md=<optimized out>) at /home/zihao/workspace/zihao_FreeRDP/winpr/libwinpr/crypto/hash.c:344
 #10 0x00007f23d486139b in security_salted_mac_signature (rdp=0x7f23859f5a20, data=0x7f238542d4fb "\004\204\022\004", length=4743, encryption=<optimized out>, output=0x7
     at /home/zihao/workspace/zihao_FreeRDP/libfreerdp/core/security.c:378
 #11 0x00007f23d488d73f in fastpath_send_update_pdu (fastpath=<optimized out>, updateCode=4 '\004', s=0x7f23859f5f40, skipCompression=true)
     at /home/zihao/workspace/zihao_FreeRDP/libfreerdp/core/fastpath.c:1076
 #12 0x00007f23d4891c4f in update_send_surface_frame_bits (context=0x7f23859f5540, cmd=0x7f22b2ffcc80, first=true, last=true, frameId=6)
     at /home/zihao/workspace/zihao_FreeRDP/libfreerdp/core/update.c:1041

Related reports: https://rt.openssl.org/Ticket/Display.html?id=2216&user=guest&pass=guest

libfreerdp/common/test/CMakeLists.txt

@@ -13,7 +13,7 @@ create_test_sourcelist(${MODULE_PREFIX}_SRCS
 
 add_executable(${MODULE_NAME} ${${MODULE_PREFIX}_SRCS})
 
-target_link_libraries(${MODULE_NAME} freerdp)
+target_link_libraries(${MODULE_NAME} freerdp winpr)
 
 set_target_properties(${MODULE_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${TESTING_OUTPUT_DIRECTORY}")
 

libfreerdp/common/test/TestCommonAssistance.c

@@ -1,6 +1,7 @@
 
 #include <winpr/crt.h>
 #include <winpr/print.h>
+#include <winpr/ssl.h>
 
 #include <freerdp/assistance.h>
 
@@ -180,6 +181,8 @@ int test_msrsc_incident_file_type2()
 
 int TestCommonAssistance(int argc, char* argv[])
 {
+	winpr_InitializeSSL(WINPR_SSL_INIT_DEFAULT);
+
 	if (test_msrsc_incident_file_type1() != 0)
 	{
 		printf("test_msrsc_incident_file_type1 failed\n");

libfreerdp/core/freerdp.c

@@ -37,6 +37,7 @@
 #include <winpr/string.h>
 #include <winpr/stream.h>
 #include <winpr/wtsapi.h>
+#include <winpr/ssl.h>
 #include <winpr/debug.h>
 
 #include <freerdp/freerdp.h>
@@ -868,6 +869,7 @@ freerdp* freerdp_new()
 	if (!instance)
 		return NULL;
 
+	winpr_InitializeSSL(WINPR_SSL_INIT_DEFAULT);
 	instance->ContextSize = sizeof(rdpContext);
 	instance->SendChannelData = freerdp_send_channel_data;
 	instance->ReceiveChannelData = freerdp_channels_data;

winpr/libwinpr/crypto/cipher.c

@@ -109,8 +109,6 @@ const EVP_CIPHER* winpr_openssl_get_evp_cipher(int cipher)
 {
 	const EVP_CIPHER* evp = NULL;
 
-	OpenSSL_add_all_ciphers();
-
 	switch (cipher)
 	{
 		case WINPR_CIPHER_NULL:

winpr/libwinpr/crypto/hash.c

@@ -49,8 +49,6 @@ const EVP_MD* winpr_openssl_get_evp_md(int md)
 {
 	const EVP_MD* evp = NULL;
 
-	OpenSSL_add_all_digests();
-
 	switch (md)
 	{
 		case WINPR_MD_MD2:

winpr/libwinpr/crypto/test/TestCryptoCipher.c

@@ -2,6 +2,7 @@
 #include <winpr/crt.h>
 #include <winpr/print.h>
 #include <winpr/crypto.h>
+#include <winpr/ssl.h>
 
 
 
@@ -216,6 +217,8 @@ static BOOL test_crypto_cipher_key()
 
 int TestCryptoCipher(int argc, char* argv[])
 {
+	winpr_InitializeSSL(WINPR_SSL_INIT_DEFAULT);
+
 	if (!test_crypto_cipher_aes_128_cbc())
 		return -1;
 

winpr/libwinpr/crypto/test/TestCryptoHash.c

@@ -2,6 +2,7 @@
 #include <winpr/crt.h>
 #include <winpr/print.h>
 #include <winpr/crypto.h>
+#include <winpr/ssl.h>
 
 static const char* TEST_MD5_DATA = "test";
 static const BYTE* TEST_MD5_HASH = (BYTE*) "\x09\x8f\x6b\xcd\x46\x21\xd3\x73\xca\xde\x4e\x83\x26\x27\xb4\xf6";
@@ -267,6 +268,8 @@ out:
 
 int TestCryptoHash(int argc, char* argv[])
 {
+	winpr_InitializeSSL(WINPR_SSL_INIT_DEFAULT);
+
 	if (!test_crypto_hash_md5())
 		return -1;
 

winpr/libwinpr/crypto/test/TestCryptoProtectMemory.c

@@ -2,6 +2,7 @@
 #include <winpr/crt.h>
 #include <winpr/print.h>
 #include <winpr/crypto.h>
+#include <winpr/ssl.h>
 #include <winpr/wlog.h>
 
 static const char* SECRET_PASSWORD_TEST = "MySecretPassword123!";
@@ -24,6 +25,7 @@ int TestCryptoProtectMemory(int argc, char* argv[])
 	}
 	CopyMemory(pCipherText, pPlainText, cbPlainText);
 	ZeroMemory(&pCipherText[cbPlainText], (cbCipherText - cbPlainText));
+	winpr_InitializeSSL(WINPR_SSL_INIT_DEFAULT);
 
 	if (!CryptProtectMemory(pCipherText, cbCipherText, CRYPTPROTECTMEMORY_SAME_PROCESS))
 	{

winpr/libwinpr/utils/ssl.c

@@ -257,6 +257,8 @@ static BOOL CALLBACK _winpr_openssl_initialize(PINIT_ONCE once, PVOID param, PVO
 	SSL_load_error_strings();
 	/* SSL_library_init() always returns "1" */
 	SSL_library_init();
+	OpenSSL_add_all_digests();
+	OpenSSL_add_all_ciphers();
 	g_winpr_openssl_initialized_by_winpr = TRUE;
 	return TRUE;
 }