581 lines
17 KiB
C
581 lines
17 KiB
C
|
/***********************************************************************
|
||
|
|
*
|
||
|
|
* Copyright (C) 2006 Novell, Inc. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; version 2.1
|
||
|
|
* of the License.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Library Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library; if not, Novell, Inc.
|
||
|
|
*
|
||
|
|
* To contact Novell about this file by physical or electronic mail,
|
||
|
|
* you may find current contact information at www.novell.com.
|
||
|
|
*
|
||
|
|
* Author: Juan Carlos Luciani <jluciani@novell.com>
|
||
|
|
*
|
||
|
|
***********************************************************************/
|
||
|
|
|
||
|
|
//===[ Include files ]=====================================================
|
||
|
|
|
||
|
|
#include "internal.h"
|
||
|
|
|
||
|
|
//===[ Type definitions ]==================================================
|
||
|
|
|
||
|
|
//
|
||
|
|
// Normalized Host Name Cache Entry definition
|
||
|
|
//
|
||
|
|
typedef struct _NormalizedHostNameCacheEntry
|
||
|
|
{
|
||
|
|
LIST_ENTRY listEntry;
|
||
|
|
char *pHostName;
|
||
|
|
char *pNormalizedHostName;
|
||
|
|
int buffLengthRequired;
|
||
|
|
|
||
|
|
} NormalizedHostNameCacheEntry, *PNormalizedHostNameCacheEntry;
|
||
|
|
|
||
|
|
|
||
|
|
//===[ Function prototypes ]===============================================
|
||
|
|
|
||
|
|
//===[ Global variables ]==================================================
|
||
|
|
|
||
|
|
// Normalized host name cache list head
|
||
|
|
static
|
||
|
|
LIST_ENTRY normalizedHostNameCacheListHead;
|
||
|
|
|
||
|
|
// Synchronization mutex for the normalized host name cache
|
||
|
|
static
|
||
|
|
HANDLE hNormalizedHostNameCacheMutex;
|
||
|
|
|
||
|
|
// Client configuration file folder
|
||
|
|
char clientConfigFolder[MAX_PATH];
|
||
|
|
char clientConfigFolderPartialPath[] = "Novell\\Casa\\Etc\\Auth";
|
||
|
|
|
||
|
|
// Authentication mechanism configuration file folder
|
||
|
|
char mechConfigFolder[MAX_PATH];
|
||
|
|
char mechConfigFolderPartialPath[] = "Novell\\Casa\\Etc\\Auth\\Mechanisms";
|
||
|
|
|
||
|
|
// Path separator
|
||
|
|
char pathCharString[] = "\\";
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
CasaStatus
|
||
|
|
CreateUserMutex(
|
||
|
|
HANDLE *phMutex
|
||
|
|
)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
CasaStatus retStatus = CASA_STATUS_SUCCESS;
|
||
|
|
char *pUsername = NULL;
|
||
|
|
DWORD nameLength = 0;
|
||
|
|
|
||
|
|
DbgTrace(1, "-CreateUserMutex- Start\n", 0);
|
||
|
|
|
||
|
|
// Get the size of the buffer required to obtain the user name
|
||
|
|
GetUserName(pUsername, &nameLength);
|
||
|
|
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
|
||
|
|
{
|
||
|
|
// Allocate buffer to hold the user name
|
||
|
|
pUsername = (char*) malloc(nameLength);
|
||
|
|
if (pUsername)
|
||
|
|
{
|
||
|
|
// Get the name of the user
|
||
|
|
if (GetUserName(pUsername, &nameLength))
|
||
|
|
{
|
||
|
|
SECURITY_ATTRIBUTES mutexAttributes;
|
||
|
|
char mutexName[256];
|
||
|
|
|
||
|
|
// Now lets create a global semaphore for the
|
||
|
|
// user and allow its handle to be inherited.
|
||
|
|
mutexAttributes.nLength = sizeof(mutexAttributes);
|
||
|
|
mutexAttributes.lpSecurityDescriptor = NULL;
|
||
|
|
mutexAttributes.bInheritHandle = TRUE;
|
||
|
|
if (sprintf(mutexName, "Global\\CASA_Auth_Mutex_%s", pUsername) != -1)
|
||
|
|
{
|
||
|
|
*phMutex = CreateMutex(&mutexAttributes,
|
||
|
|
FALSE,
|
||
|
|
mutexName);
|
||
|
|
if (*phMutex == NULL)
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-CreateUserMutex- CreateMutex failed, error = %d\n", GetLastError());
|
||
|
|
retStatus = CasaStatusBuild(CASA_SEVERITY_ERROR,
|
||
|
|
CASA_FACILITY_AUTHTOKEN,
|
||
|
|
CASA_STATUS_UNSUCCESSFUL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-CreateUserMutex- sprintf failed, error = %d\n", GetLastError());
|
||
|
|
retStatus = CasaStatusBuild(CASA_SEVERITY_ERROR,
|
||
|
|
CASA_FACILITY_AUTHTOKEN,
|
||
|
|
CASA_STATUS_UNSUCCESSFUL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-CreateUserMutex- GetUserName failed, error = %d\n", GetLastError());
|
||
|
|
retStatus = CasaStatusBuild(CASA_SEVERITY_ERROR,
|
||
|
|
CASA_FACILITY_AUTHTOKEN,
|
||
|
|
CASA_STATUS_UNSUCCESSFUL);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Free the buffer allocated to hold the user name
|
||
|
|
free(pUsername);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-CreateUserMutex- Buffer allocation error\n", 0);
|
||
|
|
retStatus = CasaStatusBuild(CASA_SEVERITY_ERROR,
|
||
|
|
CASA_FACILITY_AUTHTOKEN,
|
||
|
|
CASA_STATUS_INSUFFICIENT_RESOURCES);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-CreateUserMutex- Unexpected GetUserName error, error = %d\n", GetLastError());
|
||
|
|
retStatus = CasaStatusBuild(CASA_SEVERITY_ERROR,
|
||
|
|
CASA_FACILITY_AUTHTOKEN,
|
||
|
|
CASA_STATUS_UNSUCCESSFUL);
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgTrace(1, "-CreateUserMutex- End, retStatus\n", retStatus);
|
||
|
|
|
||
|
|
return retStatus;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
void
|
||
|
|
AcquireUserMutex(
|
||
|
|
HANDLE hMutex
|
||
|
|
)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
DbgTrace(2, "-AcquireUserMutex- Start\n", 0);
|
||
|
|
|
||
|
|
WaitForSingleObject(hMutex, INFINITE);
|
||
|
|
|
||
|
|
DbgTrace(2, "-AcquireUserMutex- End\n", 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
void
|
||
|
|
ReleaseUserMutex(
|
||
|
|
HANDLE hMutex
|
||
|
|
)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
DbgTrace(2, "-ReleaseUserMutex- Start\n", 0);
|
||
|
|
|
||
|
|
if (ReleaseMutex(hMutex) == 0)
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-ReleaseUserMutex- ReleaseMutex failed, error = %d\n", GetLastError());
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgTrace(2, "-ReleaseUserMutex- End\n", 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
void
|
||
|
|
DestroyUserMutex(
|
||
|
|
HANDLE hMutex
|
||
|
|
)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
DbgTrace(2, "-DestroyUserMutex- Start\n", 0);
|
||
|
|
|
||
|
|
if (CloseHandle(hMutex) == 0)
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-DestroyUserMutex- CloseHandle failed, error = %d\n", GetLastError());
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgTrace(2, "-DestroyUserMutex- End\n", 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
LIB_HANDLE
|
||
|
|
OpenLibrary(
|
||
|
|
IN char *pFileName)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
LIB_HANDLE libHandle;
|
||
|
|
|
||
|
|
DbgTrace(1, "-OpenLibrary- Start\n", 0);
|
||
|
|
|
||
|
|
libHandle = LoadLibrary(pFileName);
|
||
|
|
if (libHandle == NULL)
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-OpenLibrary- Not able to load library, error = %d\n", GetLastError());
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgTrace(1, "-OpenLibrary- End, handle = %08X\n", libHandle);
|
||
|
|
|
||
|
|
return libHandle;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
void
|
||
|
|
CloseLibrary(
|
||
|
|
IN LIB_HANDLE libHandle)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
DbgTrace(1, "-CloseLibrary- Start\n", 0);
|
||
|
|
|
||
|
|
FreeLibrary(libHandle);
|
||
|
|
|
||
|
|
DbgTrace(1, "-CloseLibrary- End\n", 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
void*
|
||
|
|
GetFunctionPtr(
|
||
|
|
IN LIB_HANDLE libHandle,
|
||
|
|
IN char *pFunctionName)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
void *pFuncPtr;
|
||
|
|
|
||
|
|
DbgTrace(1, "-GetFunctionPtr- Start\n", 0);
|
||
|
|
|
||
|
|
pFuncPtr = GetProcAddress(libHandle, pFunctionName);
|
||
|
|
if (pFuncPtr == NULL)
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-GetFunctionPtr- Not able to obtain func ptr, error = %d\n", GetLastError());
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgTrace(1, "-GetFunctionPtr- End, pFuncPtr = %08X\n", pFuncPtr);
|
||
|
|
|
||
|
|
return pFuncPtr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
char*
|
||
|
|
NormalizeHostName(
|
||
|
|
IN const char *pHostName)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
char *pNormalizedName = NULL;
|
||
|
|
LIST_ENTRY *pListEntry;
|
||
|
|
NormalizedHostNameCacheEntry *pEntry = NULL;
|
||
|
|
|
||
|
|
DbgTrace(1, "-NormalizeHostName- Start\n", 0);
|
||
|
|
|
||
|
|
// Obtain our synchronization mutex
|
||
|
|
WaitForSingleObject(hNormalizedHostNameCacheMutex, INFINITE);
|
||
|
|
|
||
|
|
// First try to find an entry in the normalized host name cache
|
||
|
|
// for the host name provided.
|
||
|
|
pListEntry = normalizedHostNameCacheListHead.Flink;
|
||
|
|
while (pListEntry != &normalizedHostNameCacheListHead)
|
||
|
|
{
|
||
|
|
// Get pointer to the entry
|
||
|
|
pEntry = CONTAINING_RECORD(pListEntry, NormalizedHostNameCacheEntry, listEntry);
|
||
|
|
|
||
|
|
// Check if the entry is for the host name
|
||
|
|
if (strcmp(pHostName, pEntry->pHostName) == 0)
|
||
|
|
{
|
||
|
|
// This entry corresponds to the given host name
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// The entry does not correspond to the given host name
|
||
|
|
pEntry = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Advance to the next entry
|
||
|
|
pListEntry = pListEntry->Flink;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check if we found an entry in our cache for the given host name
|
||
|
|
if (pEntry)
|
||
|
|
{
|
||
|
|
// Entry found, obtain the normalized name from it.
|
||
|
|
pNormalizedName = (char*) malloc(pEntry->buffLengthRequired);
|
||
|
|
if (pNormalizedName)
|
||
|
|
{
|
||
|
|
// Copy the normalized name onto the allocated buffer
|
||
|
|
strcpy(pNormalizedName, pEntry->pNormalizedHostName);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- Buffer allocation error\n", 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// An entry was not found in our cache, create one.
|
||
|
|
pEntry = (NormalizedHostNameCacheEntry*) malloc(sizeof(NormalizedHostNameCacheEntry));
|
||
|
|
if (pEntry)
|
||
|
|
{
|
||
|
|
// Zero the entry
|
||
|
|
memset(pEntry, 0, sizeof(*pEntry));
|
||
|
|
|
||
|
|
// Allocate a buffer to hold the host name in the entry
|
||
|
|
pEntry->pHostName = (char*) malloc(strlen(pHostName) + 1);
|
||
|
|
if (pEntry->pHostName)
|
||
|
|
{
|
||
|
|
struct hostent *pLookupResult;
|
||
|
|
struct sockaddr_in sockAddr = {0};
|
||
|
|
|
||
|
|
// Copy the host name given into the allocated buffer
|
||
|
|
strcpy(pEntry->pHostName, pHostName);
|
||
|
|
|
||
|
|
// Now try to resolve the normalized name
|
||
|
|
pLookupResult = gethostbyname(pHostName);
|
||
|
|
if (pLookupResult && pLookupResult->h_addrtype == AF_INET)
|
||
|
|
{
|
||
|
|
char dnsHostName[NI_MAXHOST];
|
||
|
|
|
||
|
|
// Set up a sockaddr structure
|
||
|
|
sockAddr.sin_family = AF_INET;
|
||
|
|
sockAddr.sin_addr.S_un.S_addr = *((int*) pLookupResult->h_addr_list[0]);
|
||
|
|
|
||
|
|
// Now try to resolve the name using DNS
|
||
|
|
if (getnameinfo((const struct sockaddr*) &sockAddr,
|
||
|
|
sizeof(sockAddr),
|
||
|
|
dnsHostName,
|
||
|
|
sizeof(dnsHostName),
|
||
|
|
NULL,
|
||
|
|
0,
|
||
|
|
NI_NAMEREQD) == 0)
|
||
|
|
{
|
||
|
|
// We resolved the address to a DNS name, use it as the normalized name.
|
||
|
|
pEntry->buffLengthRequired = (int) strlen(dnsHostName) + 1;
|
||
|
|
pEntry->pNormalizedHostName = (char*) malloc(pEntry->buffLengthRequired);
|
||
|
|
if (pEntry->pNormalizedHostName)
|
||
|
|
{
|
||
|
|
// Copy the dns name
|
||
|
|
strcpy(pEntry->pNormalizedHostName, dnsHostName);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- Buffer allocation error\n", 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- getnameInfo failed, error %d\n", WSAGetLastError());
|
||
|
|
|
||
|
|
// Not able to resolve the name in DNS, just use the host name as
|
||
|
|
// the normalized name.
|
||
|
|
pEntry->buffLengthRequired = (int) strlen(pHostName) + 1;
|
||
|
|
pEntry->pNormalizedHostName = (char*) malloc(pEntry->buffLengthRequired);
|
||
|
|
if (pEntry->pNormalizedHostName)
|
||
|
|
{
|
||
|
|
// Copy the host name
|
||
|
|
strcpy(pEntry->pNormalizedHostName, pHostName);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- Buffer allocation error\n", 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- Name resolution failed, error = %d\n", WSAGetLastError());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- Buffer allocation error\n", 0);
|
||
|
|
|
||
|
|
// Free the space allocated for the entry
|
||
|
|
free(pEntry);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Proceed based on whether or not we normalized the name
|
||
|
|
if (pEntry->pNormalizedHostName)
|
||
|
|
{
|
||
|
|
// The name was normalized, save the entry in our cache.
|
||
|
|
InsertHeadList(&normalizedHostNameCacheListHead, &pEntry->listEntry);
|
||
|
|
|
||
|
|
// Return the normalized name present in the entry
|
||
|
|
pNormalizedName = (char*) malloc(pEntry->buffLengthRequired);
|
||
|
|
if (pNormalizedName)
|
||
|
|
{
|
||
|
|
// Copy the normalized name onto the allocated buffer
|
||
|
|
strcpy(pNormalizedName, pEntry->pNormalizedHostName);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- Buffer allocation error\n", 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// The host name was not normalized, free allocated resources.
|
||
|
|
if (pEntry->pHostName)
|
||
|
|
free(pEntry->pHostName);
|
||
|
|
free(pEntry);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- Buffer allocation error\n", 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Release our synchronization mutex
|
||
|
|
if (ReleaseMutex(hNormalizedHostNameCacheMutex) == 0)
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-NormalizeHostName- ReleaseMutex failed, error\n", 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgTrace(1, "-NormalizeHostName- End, pNormalizedName = %08X\n", pNormalizedName);
|
||
|
|
|
||
|
|
return pNormalizedName;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
CasaStatus
|
||
|
|
InitializeHostNameNormalization(void)
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// L2
|
||
|
|
//=======================================================================--
|
||
|
|
{
|
||
|
|
CasaStatus retStatus = CasaStatusBuild(CASA_SEVERITY_ERROR,
|
||
|
|
CASA_FACILITY_AUTHTOKEN,
|
||
|
|
CASA_STATUS_UNSUCCESSFUL);
|
||
|
|
int winsockStartupResult;
|
||
|
|
WSADATA winsockData;
|
||
|
|
|
||
|
|
DbgTrace(1, "-InitializeHostNameNormalization- Start\n", 0);
|
||
|
|
|
||
|
|
// Initialize winsock
|
||
|
|
if ((winsockStartupResult = WSAStartup(MAKEWORD(2,2), &winsockData)) == 0)
|
||
|
|
{
|
||
|
|
// Initialize the cache list head
|
||
|
|
InitializeListHead(&normalizedHostNameCacheListHead);
|
||
|
|
|
||
|
|
// Create a cache mutex only applicable to the current process
|
||
|
|
hNormalizedHostNameCacheMutex = CreateMutex(NULL,
|
||
|
|
FALSE,
|
||
|
|
NULL);
|
||
|
|
if (hNormalizedHostNameCacheMutex != NULL)
|
||
|
|
{
|
||
|
|
retStatus = CASA_STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-InitializeHostNameNormalization- CreateMutex failed, error = %d\n", GetLastError());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DbgTrace(0, "-InitializeHostNameNormalization- WSAStartup failed, error = %d\n", winsockStartupResult);
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgTrace(1, "-InitializeHostNameNormalization- End, retStatus = %08X\n", retStatus);
|
||
|
|
|
||
|
|
return retStatus;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//++=======================================================================
|
||
|
|
//++=======================================================================
|
||
|
|
//++=======================================================================
|
||
|
|
|