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libwinpr-sspi: start using Heap functions

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This commit is contained in:
Marc-André Moreau 2012-05-23 03:58:47 -04:00
parent 4b72bcd3d7
commit d57e879d7c
7 changed files with 165 additions and 123 deletions
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1
include/winpr/crt.h
View File

@ -30,5 +30,6 @@
#endif
#include <winpr/string.h>
#include <winpr/memory.h>
#endif /* WINPR_CRT_H */

11
include/winpr/memory.h
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@ -24,6 +24,7 @@
#include <stdlib.h>
#include <string.h>
#include <winpr/winpr.h>
#include <winpr/wtypes.h>
#ifndef _WIN32
@ -37,6 +38,16 @@
#define RtlFillMemory(Destination, Length, Fill) memset((Destination), (Fill), (Length))
#define RtlZeroMemory(Destination, Length) memset((Destination), 0, (Length))
#define HEAP_GENERATE_EXCEPTIONS 0x00000004
#define HEAP_NO_SERIALIZE 0x00000001
#define HEAP_ZERO_MEMORY 0x00000008
#define HEAP_REALLOC_IN_PLACE_ONLY 0x00000010
WINPR_API HANDLE GetProcessHeap(void);
WINPR_API LPVOID HeapAlloc(HANDLE hHeap, DWORD dwFlags, SIZE_T dwBytes);
WINPR_API LPVOID HeapReAlloc(HANDLE hHeap, DWORD dwFlags, LPVOID lpMem, SIZE_T dwBytes);
WINPR_API BOOL HeapFree(HANDLE hHeap, DWORD dwFlags, LPVOID lpMem);
#endif
#endif /* WINPR_CRT_MEMORY_H */

30
winpr/crt/memory.c
View File

@ -24,6 +24,36 @@
#ifndef _WIN32
HANDLE GetProcessHeap(void)
{
return NULL;
}
LPVOID HeapAlloc(HANDLE hHeap, DWORD dwFlags, SIZE_T dwBytes)
{
LPVOID lpMem = NULL;
if (dwFlags & HEAP_ZERO_MEMORY)
lpMem = calloc(1, dwBytes);
else
lpMem = malloc(dwBytes);
return lpMem;
}
LPVOID HeapReAlloc(HANDLE hHeap, DWORD dwFlags, LPVOID lpMem, SIZE_T dwBytes)
{
LPVOID lpNewMem;
lpNewMem = realloc(lpMem, dwBytes);
return lpNewMem;
}
BOOL HeapFree(HANDLE hHeap, DWORD dwFlags, LPVOID lpMem)
{
free(lpMem);
return 1;
}
#endif

2
winpr/sspi/NTLM/ntlm_av_pairs.c
View File

@ -53,7 +53,7 @@ const char* const AV_PAIRS_STRINGS[] =
void ntlm_input_av_pairs(NTLM_CONTEXT* context, STREAM* s)
{
AV_ID AvId;
uint16 AvLen;
UINT16 AvLen;
uint8* value;
AV_PAIRS* av_pairs = context->av_pairs;

52
winpr/sspi/NTLM/ntlm_compute.c
View File

@ -52,7 +52,7 @@ void ntlm_output_restriction_encoding(NTLM_CONTEXT* context)
STREAM* s;
AV_PAIR* restrictions = &context->av_pairs->Restrictions;
uint8 machineID[32] =
BYTE machineID[32] =
"\x3A\x15\x8E\xA6\x75\x82\xD8\xF7\x3E\x06\xFA\x7A\xB4\xDF\xFD\x43"
"\x84\x6C\x02\x3A\xFD\x5A\x94\xFE\xCF\x97\x0F\x3D\x19\x2C\x38\x20";
@ -90,12 +90,12 @@ void ntlm_output_target_name(NTLM_CONTEXT* context)
* MsvAvTargetName should be the name of the service be accessed after authentication)
* here used: "TERMSRV/192.168.0.123" in unicode (Dmitrij Jasnov)
*/
uint8 name[42] =
BYTE name[42] =
"\x54\x00\x45\x00\x52\x00\x4d\x00\x53\x00\x52\x00\x56\x00\x2f\x00\x31\x00\x39\x00\x32"
"\x00\x2e\x00\x31\x00\x36\x00\x38\x00\x2e\x00\x30\x00\x2e\x00\x31\x00\x32\x00\x33\x00";
TargetName->length = 42;
TargetName->value = (uint8*) malloc(TargetName->length);
TargetName->value = (BYTE*) malloc(TargetName->length);
s = stream_new(0);
stream_attach(s, TargetName->value, TargetName->length);
@ -115,7 +115,7 @@ void ntlm_output_channel_bindings(NTLM_CONTEXT* context)
STREAM* s;
AV_PAIR* ChannelBindings = &context->av_pairs->ChannelBindings;
ChannelBindings->value = (uint8*) malloc(48);
ChannelBindings->value = (BYTE*) malloc(48);
ChannelBindings->length = 16;
s = stream_new(0);
@ -131,7 +131,7 @@ void ntlm_output_channel_bindings(NTLM_CONTEXT* context)
* @param[out] timestamp 64-bit little-endian timestamp
*/
void ntlm_current_time(uint8* timestamp)
void ntlm_current_time(BYTE* timestamp)
{
uint64 time64;
@ -221,10 +221,10 @@ void ntlm_fetch_ntlm_v2_hash(NTLM_CONTEXT* context, char* hash)
int length;
char* db_user;
char* db_hash;
uint16* User;
uint32 UserLength;
UINT16* User;
UINT32 UserLength;
long int file_size;
unsigned char db_hash_bin[16];
BYTE db_hash_bin[16];
/* Fetch NTLMv2 hash from database */
@ -301,7 +301,7 @@ void ntlm_compute_ntlm_v2_hash(NTLM_CONTEXT* context, char* hash)
/* Concatenate(Uppercase(username),domain)*/
memcpy(p, context->identity.User, context->identity.UserLength);
CharUpperBuffW(p, context->identity.UserLength / 2);
CharUpperBuffW((LPWSTR) p, context->identity.UserLength / 2);
memcpy(&p[context->identity.UserLength], context->identity.Domain, context->identity.DomainLength);
@ -350,35 +350,35 @@ void ntlm_compute_lm_v2_response(NTLM_CONTEXT* context)
void ntlm_compute_ntlm_v2_response(NTLM_CONTEXT* context)
{
uint8* blob;
uint8 ntlm_v2_hash[16];
uint8 nt_proof_str[16];
BYTE* blob;
BYTE ntlm_v2_hash[16];
BYTE nt_proof_str[16];
SecBuffer ntlm_v2_temp;
SecBuffer ntlm_v2_temp_chal;
sspi_SecBufferAlloc(&ntlm_v2_temp, context->TargetInfo.cbBuffer + 28);
memset(ntlm_v2_temp.pvBuffer, '\0', ntlm_v2_temp.cbBuffer);
blob = (uint8*) ntlm_v2_temp.pvBuffer;
blob = (BYTE*) ntlm_v2_temp.pvBuffer;
/* Compute the NTLMv2 hash */
ntlm_compute_ntlm_v2_hash(context, (char*) ntlm_v2_hash);
#ifdef WITH_DEBUG_NTLM
printf("Password (length = %d)\n", context->identity.PasswordLength);
freerdp_hexdump((uint8*) context->identity.Password, context->identity.PasswordLength);
freerdp_hexdump((BYTE*) context->identity.Password, context->identity.PasswordLength);
printf("\n");
printf("Username (length = %d)\n", context->identity.UserLength);
freerdp_hexdump((uint8*) context->identity.User, context->identity.UserLength);
freerdp_hexdump((BYTE*) context->identity.User, context->identity.UserLength);
printf("\n");
printf("Domain (length = %d)\n", context->identity.DomainLength);
freerdp_hexdump((uint8*) context->identity.Domain, context->identity.DomainLength);
freerdp_hexdump((BYTE*) context->identity.Domain, context->identity.DomainLength);
printf("\n");
printf("Workstation (length = %d)\n", context->WorkstationLength);
freerdp_hexdump((uint8*) context->Workstation, context->WorkstationLength);
freerdp_hexdump((BYTE*) context->Workstation, context->WorkstationLength);
printf("\n");
printf("NTOWFv2, NTLMv2 Hash\n");
@ -404,7 +404,7 @@ void ntlm_compute_ntlm_v2_response(NTLM_CONTEXT* context)
/* Concatenate server challenge with temp */
sspi_SecBufferAlloc(&ntlm_v2_temp_chal, ntlm_v2_temp.cbBuffer + 8);
blob = (uint8*) ntlm_v2_temp_chal.pvBuffer;
blob = (BYTE*) ntlm_v2_temp_chal.pvBuffer;
memcpy(blob, context->ServerChallenge, 8);
memcpy(&blob[8], ntlm_v2_temp.pvBuffer, ntlm_v2_temp.cbBuffer);
@ -413,7 +413,7 @@ void ntlm_compute_ntlm_v2_response(NTLM_CONTEXT* context)
/* NtChallengeResponse, Concatenate NTProofStr with temp */
sspi_SecBufferAlloc(&context->NtChallengeResponse, ntlm_v2_temp.cbBuffer + 16);
blob = (uint8*) context->NtChallengeResponse.pvBuffer;
blob = (BYTE*) context->NtChallengeResponse.pvBuffer;
memcpy(blob, nt_proof_str, 16);
memcpy(&blob[16], ntlm_v2_temp.pvBuffer, ntlm_v2_temp.cbBuffer);
@ -432,7 +432,7 @@ void ntlm_compute_ntlm_v2_response(NTLM_CONTEXT* context)
* @param ciphertext cipher text
*/
void ntlm_rc4k(uint8* key, int length, uint8* plaintext, uint8* ciphertext)
void ntlm_rc4k(BYTE* key, int length, BYTE* plaintext, BYTE* ciphertext)
{
CryptoRc4 rc4;
@ -529,14 +529,14 @@ void ntlm_decrypt_random_session_key(NTLM_CONTEXT* context)
* @param signing_key Destination signing key
*/
void ntlm_generate_signing_key(uint8* exported_session_key, PSecBuffer sign_magic, uint8* signing_key)
void ntlm_generate_signing_key(BYTE* exported_session_key, PSecBuffer sign_magic, BYTE* signing_key)
{
int length;
uint8* value;
BYTE* value;
CryptoMd5 md5;
length = 16 + sign_magic->cbBuffer;
value = (uint8*) malloc(length);
value = (BYTE*) malloc(length);
/* Concatenate ExportedSessionKey with sign magic */
memcpy(value, exported_session_key, 16);
@ -585,14 +585,14 @@ void ntlm_generate_server_signing_key(NTLM_CONTEXT* context)
* @param sealing_key Destination sealing key
*/
void ntlm_generate_sealing_key(uint8* exported_session_key, PSecBuffer seal_magic, uint8* sealing_key)
void ntlm_generate_sealing_key(BYTE* exported_session_key, PSecBuffer seal_magic, BYTE* sealing_key)
{
uint8* p;
BYTE* p;
CryptoMd5 md5;
SecBuffer buffer;
sspi_SecBufferAlloc(&buffer, 16 + seal_magic->cbBuffer);
p = (uint8*) buffer.pvBuffer;
p = (BYTE*) buffer.pvBuffer;
/* Concatenate ExportedSessionKey with seal magic */
memcpy(p, exported_session_key, 16);

168
winpr/sspi/NTLM/ntlm_message.c
View File

@ -126,7 +126,7 @@ void ntlm_output_version(STREAM* s)
stream_write_uint8(s, NTLMSSP_REVISION_W2K3); /* NTLMRevisionCurrent (1 byte) */
}
void ntlm_print_negotiate_flags(uint32 flags)
void ntlm_print_negotiate_flags(UINT32 flags)
{
int i;
const char* str;
@ -149,15 +149,15 @@ SECURITY_STATUS ntlm_read_NegotiateMessage(NTLM_CONTEXT* context, PSecBuffer buf
{
STREAM* s;
int length;
uint8 Signature[8];
uint32 MessageType;
uint32 NegotiateFlags;
uint16 DomainNameLen;
uint16 DomainNameMaxLen;
uint32 DomainNameBufferOffset;
uint16 WorkstationLen;
uint16 WorkstationMaxLen;
uint32 WorkstationBufferOffset;
BYTE Signature[8];
UINT32 MessageType;
UINT32 NegotiateFlags;
UINT16 DomainNameLen;
UINT16 DomainNameMaxLen;
UINT32 DomainNameBufferOffset;
UINT16 WorkstationLen;
UINT16 WorkstationMaxLen;
UINT32 WorkstationBufferOffset;
s = stream_new(0);
stream_attach(s, buffer->pvBuffer, buffer->cbBuffer);
@ -229,7 +229,7 @@ SECURITY_STATUS ntlm_write_NegotiateMessage(NTLM_CONTEXT* context, PSecBuffer bu
{
STREAM* s;
int length;
uint32 NegotiateFlags = 0;
UINT32 NegotiateFlags = 0;
s = stream_new(0);
stream_attach(s, buffer->pvBuffer, buffer->cbBuffer);
@ -320,19 +320,19 @@ SECURITY_STATUS ntlm_write_NegotiateMessage(NTLM_CONTEXT* context, PSecBuffer bu
SECURITY_STATUS ntlm_read_ChallengeMessage(NTLM_CONTEXT* context, PSecBuffer buffer)
{
uint8* p;
BYTE* p;
STREAM* s;
int length;
char Signature[8];
uint32 MessageType;
uint8* StartOffset;
uint8* PayloadOffset;
uint16 TargetNameLen;
uint16 TargetNameMaxLen;
uint32 TargetNameBufferOffset;
uint16 TargetInfoLen;
uint16 TargetInfoMaxLen;
uint32 TargetInfoBufferOffset;
UINT32 MessageType;
BYTE* StartOffset;
BYTE* PayloadOffset;
UINT16 TargetNameLen;
UINT16 TargetNameMaxLen;
UINT32 TargetNameBufferOffset;
UINT16 TargetInfoLen;
UINT16 TargetInfoMaxLen;
UINT32 TargetInfoBufferOffset;
ntlm_generate_client_challenge(context);
@ -528,13 +528,13 @@ SECURITY_STATUS ntlm_write_ChallengeMessage(NTLM_CONTEXT* context, PSecBuffer bu
{
STREAM* s;
int length;
uint32 PayloadOffset;
uint16 TargetNameLen;
uint8* TargetNameBuffer;
uint32 TargetNameBufferOffset;
uint16 TargetInfoLen;
uint8* TargetInfoBuffer;
uint32 TargetInfoBufferOffset;
UINT32 PayloadOffset;
UINT16 TargetNameLen;
BYTE* TargetNameBuffer;
UINT32 TargetNameBufferOffset;
UINT16 TargetInfoLen;
BYTE* TargetInfoBuffer;
UINT32 TargetInfoBufferOffset;
/* Server Challenge */
ntlm_generate_server_challenge(context);
@ -553,7 +553,7 @@ SECURITY_STATUS ntlm_write_ChallengeMessage(NTLM_CONTEXT* context, PSecBuffer bu
if (context->NegotiateFlags & NTLMSSP_REQUEST_TARGET)
{
TargetNameLen = (uint16) context->TargetName.cbBuffer;
TargetNameLen = (UINT16) context->TargetName.cbBuffer;
TargetNameBuffer = context->TargetName.pvBuffer;
}
else
@ -566,7 +566,7 @@ SECURITY_STATUS ntlm_write_ChallengeMessage(NTLM_CONTEXT* context, PSecBuffer bu
if (context->NegotiateFlags & NTLMSSP_NEGOTIATE_TARGET_INFO)
{
TargetInfoLen = (uint16) context->TargetInfo.cbBuffer;
TargetInfoLen = (UINT16) context->TargetInfo.cbBuffer;
TargetInfoBuffer = context->TargetInfo.pvBuffer;
}
else
@ -651,33 +651,33 @@ SECURITY_STATUS ntlm_read_AuthenticateMessage(NTLM_CONTEXT* context, PSecBuffer
{
STREAM* s;
int length;
uint8 Signature[8];
uint32 MessageType;
uint32 NegotiateFlags;
uint16 DomainNameLen;
uint16 DomainNameMaxLen;
uint8* DomainNameBuffer;
uint32 DomainNameBufferOffset;
uint16 UserNameLen;
uint16 UserNameMaxLen;
uint8* UserNameBuffer;
uint32 UserNameBufferOffset;
uint16 WorkstationLen;
uint16 WorkstationMaxLen;
uint8* WorkstationBuffer;
uint32 WorkstationBufferOffset;
uint16 LmChallengeResponseLen;
uint16 LmChallengeResponseMaxLen;
uint8* LmChallengeResponseBuffer;
uint32 LmChallengeResponseBufferOffset;
uint16 NtChallengeResponseLen;
uint16 NtChallengeResponseMaxLen;
uint8* NtChallengeResponseBuffer;
uint32 NtChallengeResponseBufferOffset;
uint16 EncryptedRandomSessionKeyLen;
uint16 EncryptedRandomSessionKeyMaxLen;
uint8* EncryptedRandomSessionKeyBuffer;
uint32 EncryptedRandomSessionKeyBufferOffset;
BYTE Signature[8];
UINT32 MessageType;
UINT32 NegotiateFlags;
UINT16 DomainNameLen;
UINT16 DomainNameMaxLen;
BYTE* DomainNameBuffer;
UINT32 DomainNameBufferOffset;
UINT16 UserNameLen;
UINT16 UserNameMaxLen;
BYTE* UserNameBuffer;
UINT32 UserNameBufferOffset;
UINT16 WorkstationLen;
UINT16 WorkstationMaxLen;
BYTE* WorkstationBuffer;
UINT32 WorkstationBufferOffset;
UINT16 LmChallengeResponseLen;
UINT16 LmChallengeResponseMaxLen;
BYTE* LmChallengeResponseBuffer;
UINT32 LmChallengeResponseBufferOffset;
UINT16 NtChallengeResponseLen;
UINT16 NtChallengeResponseMaxLen;
BYTE* NtChallengeResponseBuffer;
UINT32 NtChallengeResponseBufferOffset;
UINT16 EncryptedRandomSessionKeyLen;
UINT16 EncryptedRandomSessionKeyMaxLen;
BYTE* EncryptedRandomSessionKeyBuffer;
UINT32 EncryptedRandomSessionKeyBufferOffset;
s = stream_new(0);
stream_attach(s, buffer->pvBuffer, buffer->cbBuffer);
@ -807,7 +807,7 @@ SECURITY_STATUS ntlm_read_AuthenticateMessage(NTLM_CONTEXT* context, PSecBuffer
/* NtChallengeResponse */
if (NtChallengeResponseLen > 0)
{
uint8* ClientChallengeBuffer;
BYTE* ClientChallengeBuffer;
NtChallengeResponseBuffer = s->data + NtChallengeResponseBufferOffset;
@ -928,31 +928,31 @@ SECURITY_STATUS ntlm_write_AuthenticateMessage(NTLM_CONTEXT* context, PSecBuffer
{
STREAM* s;
int length;
uint8* MicOffset = NULL;
uint32 NegotiateFlags = 0;
BYTE* MicOffset = NULL;
UINT32 NegotiateFlags = 0;
uint16 DomainNameLen;
uint16 UserNameLen;
uint16 WorkstationLen;
uint16 LmChallengeResponseLen;
uint16 NtChallengeResponseLen;
uint16 EncryptedRandomSessionKeyLen;
UINT16 DomainNameLen;
UINT16 UserNameLen;
UINT16 WorkstationLen;
UINT16 LmChallengeResponseLen;
UINT16 NtChallengeResponseLen;
UINT16 EncryptedRandomSessionKeyLen;
uint32 PayloadBufferOffset;
uint32 DomainNameBufferOffset;
uint32 UserNameBufferOffset;
uint32 WorkstationBufferOffset;
uint32 LmChallengeResponseBufferOffset;
uint32 NtChallengeResponseBufferOffset;
uint32 EncryptedRandomSessionKeyBufferOffset;
UINT32 PayloadBufferOffset;
UINT32 DomainNameBufferOffset;
UINT32 UserNameBufferOffset;
UINT32 WorkstationBufferOffset;
UINT32 LmChallengeResponseBufferOffset;
UINT32 NtChallengeResponseBufferOffset;
UINT32 EncryptedRandomSessionKeyBufferOffset;
uint8* UserNameBuffer;
uint8* DomainNameBuffer;
uint8* WorkstationBuffer;
uint8* EncryptedRandomSessionKeyBuffer;
BYTE* UserNameBuffer;
BYTE* DomainNameBuffer;
BYTE* WorkstationBuffer;
BYTE* EncryptedRandomSessionKeyBuffer;
WorkstationLen = context->WorkstationLength;
WorkstationBuffer = (uint8*) context->Workstation;
WorkstationBuffer = (BYTE*) context->Workstation;
s = stream_new(0);
stream_attach(s, buffer->pvBuffer, buffer->cbBuffer);
@ -960,14 +960,14 @@ SECURITY_STATUS ntlm_write_AuthenticateMessage(NTLM_CONTEXT* context, PSecBuffer
if (context->ntlm_v2 < 1)
WorkstationLen = 0;
DomainNameLen = (uint16) context->identity.DomainLength;
DomainNameBuffer = (uint8*) context->identity.Domain;
DomainNameLen = (UINT16) context->identity.DomainLength;
DomainNameBuffer = (BYTE*) context->identity.Domain;
UserNameLen = (uint16) context->identity.UserLength;
UserNameBuffer = (uint8*) context->identity.User;
UserNameLen = (UINT16) context->identity.UserLength;
UserNameBuffer = (BYTE*) context->identity.User;
LmChallengeResponseLen = (uint16) context->LmChallengeResponse.cbBuffer;
NtChallengeResponseLen = (uint16) context->NtChallengeResponse.cbBuffer;
LmChallengeResponseLen = (UINT16) context->LmChallengeResponse.cbBuffer;
NtChallengeResponseLen = (UINT16) context->NtChallengeResponse.cbBuffer;
EncryptedRandomSessionKeyLen = 16;
EncryptedRandomSessionKeyBuffer = context->EncryptedRandomSessionKey;

16
winpr/sspi/sspi.c
View File

@ -110,7 +110,7 @@ void sspi_ContextBufferAllocTableNew()
size = sizeof(CONTEXT_BUFFER_ALLOC_ENTRY) * ContextBufferAllocTable.cMaxEntries;
ContextBufferAllocTable.entries = calloc(1, size);
ContextBufferAllocTable.entries = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
}
void sspi_ContextBufferAllocTableGrow()
@ -121,14 +121,14 @@ void sspi_ContextBufferAllocTableGrow()
size = sizeof(CONTEXT_BUFFER_ALLOC_ENTRY) * ContextBufferAllocTable.cMaxEntries;
ContextBufferAllocTable.entries = realloc(ContextBufferAllocTable.entries, size);
ContextBufferAllocTable.entries = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, ContextBufferAllocTable.entries, size);
memset((void*) &ContextBufferAllocTable.entries[ContextBufferAllocTable.cMaxEntries / 2], 0, size / 2);
}
void sspi_ContextBufferAllocTableFree()
{
ContextBufferAllocTable.cEntries = ContextBufferAllocTable.cMaxEntries = 0;
free(ContextBufferAllocTable.entries);
HeapFree(GetProcessHeap(), 0, ContextBufferAllocTable.entries);
}
void* sspi_ContextBufferAlloc(uint32 allocatorIndex, size_t size)
@ -140,7 +140,7 @@ void* sspi_ContextBufferAlloc(uint32 allocatorIndex, size_t size)
{
if (ContextBufferAllocTable.entries[index].contextBuffer == NULL)
{
contextBuffer = calloc(1, size);
contextBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
ContextBufferAllocTable.cEntries++;
ContextBufferAllocTable.entries[index].contextBuffer = contextBuffer;
@ -163,7 +163,7 @@ CREDENTIALS* sspi_CredentialsNew()
{
CREDENTIALS* credentials;
credentials = (CREDENTIALS*) calloc(1, sizeof(CREDENTIALS));
credentials = (CREDENTIALS*) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CREDENTIALS));
if (credentials != NULL)
{
@ -178,19 +178,19 @@ void sspi_CredentialsFree(CREDENTIALS* credentials)
if (!credentials)
return;
free(credentials);
HeapFree(GetProcessHeap(), 0, credentials);
}
void sspi_SecBufferAlloc(PSecBuffer SecBuffer, size_t size)
{
SecBuffer->cbBuffer = size;
SecBuffer->pvBuffer = calloc(1, size);
SecBuffer->pvBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
}
void sspi_SecBufferFree(PSecBuffer SecBuffer)
{
SecBuffer->cbBuffer = 0;
free(SecBuffer->pvBuffer);
HeapFree(GetProcessHeap(), 0, SecBuffer->pvBuffer);
SecBuffer->pvBuffer = NULL;
}