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[MSTSC] Fix BSOD when we can't acquire context from CryptoAPI. CORE-13263 #resolve

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svn path=/trunk/; revision=74577
This commit is contained in:
Peter Hater 2017-05-18 08:47:30 +00:00
parent 1338881e3b
commit 2796bd5d20
1 changed files with 44 additions and 4 deletions
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48
reactos/base/applications/mstsc/ssl_calls.c
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@ -59,11 +59,23 @@ rdssl_rc4_info_create(void)
return NULL;
}
ret = CryptAcquireContext(&info->hCryptProv,
NULL,
L"MSTSC",
MS_ENHANCED_PROV,
PROV_RSA_FULL,
0);
if (!ret)
{
dwErr = GetLastError();
if (dwErr == NTE_BAD_KEYSET)
{
ret = CryptAcquireContext(&info->hCryptProv,
L"MSTSC",
MS_ENHANCED_PROV,
PROV_RSA_FULL,
CRYPT_NEWKEYSET);
}
}
if (!ret)
{
dwErr = GetLastError();
error("CryptAcquireContext failed with %lx\n", dwErr);
@ -214,11 +226,23 @@ rdssl_hash_info_create(ALG_ID id)
return NULL;
}
ret = CryptAcquireContext(&info->hCryptProv,
NULL,
L"MSTSC",
MS_ENHANCED_PROV,
PROV_RSA_FULL,
0);
if (!ret)
{
dwErr = GetLastError();
if (dwErr == NTE_BAD_KEYSET)
{
ret = CryptAcquireContext(&info->hCryptProv,
L"MSTSC",
MS_ENHANCED_PROV,
PROV_RSA_FULL,
CRYPT_NEWKEYSET);
}
}
if (!ret)
{
dwErr = GetLastError();
g_free(info);
@ -451,11 +475,23 @@ rdssl_hmac_md5(char* key, int keylen, char* data, int len, char* output)
return;
}
ret = CryptAcquireContext(&hCryptProv,
NULL,
L"MSTSC",
MS_ENHANCED_PROV,
PROV_RSA_FULL,
0);
if (!ret)
{
dwErr = GetLastError();
if (dwErr == NTE_BAD_KEYSET)
{
ret = CryptAcquireContext(&hCryptProv,
L"MSTSC",
MS_ENHANCED_PROV,
PROV_RSA_FULL,
CRYPT_NEWKEYSET);
}
}
if (!ret)
{
dwErr = GetLastError();
g_free(blob);
@ -1566,9 +1602,13 @@ rdssl_sign_ok(char* e_data, int e_len, char* n_data, int n_len,
{
return 1;
}
md5 = rdssl_md5_info_create();
if (!md5)
{
return 1;
}
key = (char*)xmalloc(176);
md5_final = (char*)xmalloc(64);
md5 = rdssl_md5_info_create();
// copy the test key
memcpy(key, testkey, 176);
// replace e and n