fix for a crash inside http request destruction

git-svn-id: http://svn.miranda-ng.org/main/trunk@13754 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 10 insertions, 20 deletions

diff --git a/src/modules/netlib/netlibsecurity.cpp b/src/modules/netlib/netlibsecurity.cpp
index 10a322453d..6533a1fa5f 100644
--- a/src/modules/netlib/netlibsecurity.cpp
+++ b/src/modules/netlib/netlibsecurity.cpp
@@ -61,7 +61,7 @@ struct NtlmType2packet
 };

 

 static unsigned secCnt = 0, ntlmCnt = 0;

-static HANDLE hSecMutex;

+static mir_cs csSec;

 

 static void ReportSecError(SECURITY_STATUS scRet, int line)

 {

@@ -116,7 +116,7 @@ HANDLE NetlibInitSecurityProvider(const TCHAR* szProvider, const TCHAR* szPrinci
 		return hNtlm;

 	}

 

-	WaitForSingleObject(hSecMutex, INFINITE);

+	mir_cslock lck(csSec);

 

 	if (secCnt == 0) {

 		LoadSecurityLibrary();

@@ -143,8 +143,6 @@ HANDLE NetlibInitSecurityProvider(const TCHAR* szProvider, const TCHAR* szPrinci
 			ntlmCnt++;

 		}

 	}

-

-	ReleaseMutex(hSecMutex);

 	return hSecurity;

 }

 

@@ -158,24 +156,23 @@ void NetlibDestroySecurityProvider(HANDLE hSecurity)
 	if (hSecurity == NULL)

 		return;

 

-	WaitForSingleObject(hSecMutex, INFINITE);

+	mir_cslock lck(csSec);

 

 	if (ntlmCnt != 0) {

 		NtlmHandleType* hNtlm = (NtlmHandleType*)hSecurity;

-		if (SecIsValidHandle(&hNtlm->hClientContext)) g_pSSPI->DeleteSecurityContext(&hNtlm->hClientContext);

-		if (SecIsValidHandle(&hNtlm->hClientCredential)) g_pSSPI->FreeCredentialsHandle(&hNtlm->hClientCredential);

-		mir_free(hNtlm->szProvider);

-		mir_free(hNtlm->szPrincipal);

+		if (hNtlm != NULL) {

+			if (SecIsValidHandle(&hNtlm->hClientContext)) g_pSSPI->DeleteSecurityContext(&hNtlm->hClientContext);

+			if (SecIsValidHandle(&hNtlm->hClientCredential)) g_pSSPI->FreeCredentialsHandle(&hNtlm->hClientCredential);

+			mir_free(hNtlm->szProvider);

+			mir_free(hNtlm->szPrincipal);

+			mir_free(hNtlm);

+		}

 

 		--ntlmCnt;

-

-		mir_free(hNtlm);

 	}

 

 	if (secCnt && --secCnt == 0)

 		FreeSecurityLibrary();

-

-	ReleaseMutex(hSecMutex);

 }

 

 char* CompleteGssapi(HANDLE hSecurity, unsigned char *szChallenge, unsigned chlsz)

@@ -458,16 +455,9 @@ static INT_PTR NtlmCreateResponseService2(WPARAM wParam, LPARAM lParam)
 

 void NetlibSecurityInit(void)

 {

-	hSecMutex = CreateMutex(NULL, FALSE, NULL);

-

 	CreateServiceFunction(MS_NETLIB_INITSECURITYPROVIDER, InitSecurityProviderService);

 	CreateServiceFunction(MS_NETLIB_INITSECURITYPROVIDER2, InitSecurityProviderService2);

 	CreateServiceFunction(MS_NETLIB_DESTROYSECURITYPROVIDER, DestroySecurityProviderService);

 	CreateServiceFunction(MS_NETLIB_NTLMCREATERESPONSE, NtlmCreateResponseService);

 	CreateServiceFunction(MS_NETLIB_NTLMCREATERESPONSE2, NtlmCreateResponseService2);

 }

-

-void NetlibSecurityDestroy(void)

-{

-	CloseHandle(hSecMutex);

-}