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[IPHLPAPI] Properly handle GetModuleBaseName failure

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CID 1442662, 1442663
This commit is contained in:
Pierre Schweitzer 2019-02-16 09:05:15 +01:00
parent 93b0957641
commit 22cb300805
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GPG key ID: 7545556C3D585B0B
1 changed files with 16 additions and 6 deletions
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14
dll/win32/iphlpapi/iphlpapi_main.c
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@ -2289,7 +2289,7 @@ DWORD WINAPI GetNumberOfInterfaces(PDWORD pdwNumIf)
static DWORD GetOwnerModuleFromPidEntry(DWORD OwningPid, TCPIP_OWNER_MODULE_INFO_CLASS Class, PVOID Buffer, PDWORD pdwSize) static DWORD GetOwnerModuleFromPidEntry(DWORD OwningPid, TCPIP_OWNER_MODULE_INFO_CLASS Class, PVOID Buffer, PDWORD pdwSize)
{ {
HANDLE Process; HANDLE Process;
DWORD FileLen, PathLen; DWORD FileLen, PathLen, Error;
WCHAR File[MAX_PATH], Path[MAX_PATH]; WCHAR File[MAX_PATH], Path[MAX_PATH];
PTCPIP_OWNER_MODULE_BASIC_INFO BasicInfo; PTCPIP_OWNER_MODULE_BASIC_INFO BasicInfo;
@ -2326,7 +2326,11 @@ static DWORD GetOwnerModuleFromPidEntry(DWORD OwningPid, TCPIP_OWNER_MODULE_INFO
PathLen *= sizeof(WCHAR); PathLen *= sizeof(WCHAR);
FileLen *= sizeof(WCHAR); FileLen *= sizeof(WCHAR);
} }
else if (GetLastError() == ERROR_PARTIAL_COPY) else
{
Error = GetLastError();
if (Error == ERROR_PARTIAL_COPY)
{ {
wcscpy(File, L"System"); wcscpy(File, L"System");
wcscpy(Path, L"System"); wcscpy(Path, L"System");
@ -2334,6 +2338,12 @@ static DWORD GetOwnerModuleFromPidEntry(DWORD OwningPid, TCPIP_OWNER_MODULE_INFO
PathLen = sizeof(L"System"); PathLen = sizeof(L"System");
FileLen = sizeof(L"System"); FileLen = sizeof(L"System");
} }
else
{
CloseHandle(Process);
return Error;
}
}
CloseHandle(Process); CloseHandle(Process);