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Add some failsafes to the windows plugins

This commit is contained in:
Jean Flach 2015-02-17 15:54:23 +01:00
parent 667b62cc3c
commit 377f66c403
8 changed files with 42 additions and 29 deletions
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7
plugins/check_disk.cpp
View File

@ -263,8 +263,8 @@ int printOutput(printInfoStruct& printInfo, vector<drive>& vDrives)
int check_drives(vector<drive>& vDrives)
{
DWORD dwResult, dwSize = 0, dwVolumePathNamesLen = MAX_PATH + 1;
wchar_t szLogicalDrives[1024], szVolumeName[MAX_PATH], *szVolumePathNames;
HANDLE hVolume;
wchar_t szLogicalDrives[1024], szVolumeName[MAX_PATH], *szVolumePathNames = NULL;
HANDLE hVolume = NULL;
wstring wsLogicalDrives;
size_t volumeNameEnd = 0;
@ -331,7 +331,8 @@ int check_drives(vector<drive>& vDrives)
}
FindVolumeClose(hVolume);
delete[] reinterpret_cast<wchar_t*>(szVolumePathNames);
if (szVolumePathNames)
delete[] reinterpret_cast<wchar_t*>(szVolumePathNames);
return -1;
die:

2
plugins/check_load.cpp
View File

@ -199,7 +199,7 @@ int printOutput(printInfoStruct& printInfo)
int check_load(printInfoStruct& printInfo)
{
PDH_HQUERY phQuery;
PDH_HQUERY phQuery = NULL;
PDH_HCOUNTER phCounter;
DWORD dwBufferSize = 0;
DWORD CounterType;

9
plugins/check_network.cpp
View File

@ -289,9 +289,12 @@ int check_network(vector <nInterface>& vInterfaces)
if (debug)
wcout << L"Finished collection. Cleaning up and returning" << endl;
PdhCloseQuery(phQuery);
delete reinterpret_cast<PDH_FMT_COUNTERVALUE_ITEM*>(pDisplayValuesIn);
delete reinterpret_cast<PDH_FMT_COUNTERVALUE_ITEM*>(pDisplayValuesOut);
if (phQuery)
PdhCloseQuery(phQuery);
if (pDisplayValuesIn)
delete reinterpret_cast<PDH_FMT_COUNTERVALUE_ITEM*>(pDisplayValuesIn);
if (pDisplayValuesOut)
delete reinterpret_cast<PDH_FMT_COUNTERVALUE_ITEM*>(pDisplayValuesOut);
return -1;
die:
die(err);

17
plugins/check_ping.cpp
View File

@ -351,15 +351,17 @@ int check_ping4(const printInfoStruct& pi, response& response)
if (debug)
wcout << L"All pings sent. Cleaning up and returning" << endl;
IcmpCloseHandle(hIcmp);
delete reinterpret_cast<VOID *>(repBuf);
if (hIcmp)
IcmpCloseHandle(hIcmp);
if (repBuf)
delete reinterpret_cast<VOID *>(repBuf);
response.avg = ((double)rtt / pi.num);
return -1;
die:
die(GetLastError());
die();
if (hIcmp)
IcmpCloseHandle(hIcmp);
if (repBuf)
@ -375,6 +377,7 @@ int check_ping6(const printInfoStruct& pi, response& response)
IP_OPTION_INFORMATION ipInfo = { 30, 0, 0, 0, NULL };
DWORD dwRepSize = sizeof(ICMPV6_ECHO_REPLY) + 8;
LPVOID repBuf = reinterpret_cast<VOID *>(new BYTE[dwRepSize]);
HANDLE hIcmp = NULL;
LARGE_INTEGER frequency, timer1, timer2;
int num = pi.num;
@ -398,7 +401,7 @@ int check_ping6(const printInfoStruct& pi, response& response)
if (debug)
wcout << L"Creating Icmp File" << endl;
HANDLE hIcmp = Icmp6CreateFile();
hIcmp = Icmp6CreateFile();
if (hIcmp == INVALID_HANDLE_VALUE) {
goto die;
}
@ -450,8 +453,10 @@ int check_ping6(const printInfoStruct& pi, response& response)
if (debug)
wcout << L"All pings sent. Cleaning up and returning" << endl;
IcmpCloseHandle(hIcmp);
delete reinterpret_cast<VOID *>(repBuf);
if (hIcmp)
IcmpCloseHandle(hIcmp);
if (repBuf)
delete reinterpret_cast<VOID *>(repBuf);
response.avg = ((double)rtt / pi.num);
return -1;

5
plugins/check_procs.cpp
View File

@ -208,7 +208,7 @@ int countProcs()
if (debug)
wcout << L"Counting all processes" << endl;
HANDLE hProcessSnap;
HANDLE hProcessSnap = NULL;
PROCESSENTRY32 pe32;
if (debug)
@ -240,7 +240,8 @@ int countProcs()
if (debug)
wcout << L"Found " << numProcs << L" processes. Cleaning up udn returning" << endl;
CloseHandle(hProcessSnap);
if (hProcessSnap)
CloseHandle(hProcessSnap);
return numProcs;
}

16
plugins/check_swap.cpp
View File

@ -36,7 +36,7 @@ static BOOL debug = FALSE;
struct printInfoStruct
{
threshold warn, crit;
DWORD tSwap, aSwap;
double tSwap, aSwap;
Bunit unit = BunitMB;
};
@ -210,14 +210,16 @@ int printOutput(printInfoStruct& printInfo)
int check_swap(printInfoStruct& printInfo)
{
_MEMORYSTATUS *pMemBuf = new _MEMORYSTATUS;
MEMORYSTATUSEX MemBuf;
MemBuf.dwLength = sizeof(MemBuf);
GlobalMemoryStatus(pMemBuf);
if (!GlobalMemoryStatusEx(&MemBuf)) {
die();
return 3;
}
printInfo.tSwap = round(pMemBuf->dwTotalPageFile / pow(1024.0, printInfo.unit));
printInfo.aSwap = round(pMemBuf->dwAvailPageFile / pow(1024.0, printInfo.unit));
delete pMemBuf;
printInfo.tSwap = round(MemBuf.ullTotalPageFile / pow(1024.0, printInfo.unit));
printInfo.aSwap = round(MemBuf.ullAvailPageFile / pow(1024.0, printInfo.unit));
return -1;
}

5
plugins/check_update.cpp
View File

@ -130,7 +130,7 @@ int parseArguments(int ac, wchar_t **av, po::variables_map& vm, printInfoStruct&
, progName, progName);
cout << endl;
return 0;
} if (vm.count("version")) {
} if (vm.count("version")) {
cout << "Version: " << VERSION << endl;
return 0;
}
@ -190,6 +190,7 @@ int check_update(printInfoStruct& printInfo)
ISearchResult *pResult;
IUpdateSession *pSession;
IUpdateSearcher *pSearcher;
BSTR criteria = NULL;
HRESULT err;
if (debug)
@ -204,7 +205,7 @@ int check_update(printInfoStruct& printInfo)
RebootRequired = 1: Reboot required
*/
BSTR criteria = SysAllocString(CRITERIA);
criteria = SysAllocString(CRITERIA);
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa386526%28v=vs.85%29.aspx
// http://msdn.microsoft.com/en-us/library/ff357803%28v=vs.85%29.aspx