376 lines
11 KiB
C++
376 lines
11 KiB
C++
/******************************************************************************
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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frhang.cpp
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Abstract:
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Implements hang reporting
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Revision History:
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created derekm 07/07/00
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******************************************************************************/
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#include "stdafx.h"
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#include "dbghelp.h"
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///////////////////////////////////////////////////////////////////////////////
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// exported functions
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// **************************************************************************
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EFaultRepRetVal APIENTRY ReportHang(DWORD dwpid, DWORD dwtid, BOOL f64bit,
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HANDLE hNotify)
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{
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USE_TRACING("ReportHang");
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EXCEPTION_POINTERS ep;
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CPFFaultClientCfg oCfg;
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EXCEPTION_RECORD er;
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EFaultRepRetVal frrvRet = frrvErrNoDW;
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SDWManifestBlob dwmb;
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SSuspendThreads st;
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SMDumpOptions smdo;
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CONTEXT cxt;
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HRESULT hr = NOERROR;
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HANDLE hProc = NULL, hth = NULL;
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LPWSTR wszStage1, wszStage2, wszCorpPath, wszHdr;
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LPWSTR wszFiles = NULL, wszDir = NULL, wszManifest = NULL;
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LPWSTR pwszAppCompat = NULL;
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WCHAR wszExe[MAX_PATH], wszAppName[MAX_PATH];
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WCHAR wszAppVer[MAX_PATH];
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WCHAR *pwszApp, *pwsz;
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WCHAR wszBuffer[512];
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DWORD dw, cch, cchDir, cchSep;
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BOOL fMSApp = FALSE, fThreadsHeld = FALSE;
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BYTE *pbBuf = NULL;
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ZeroMemory(&st, sizeof(st));
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VALIDATEPARM(hr, (dwpid == 0 || dwtid == 0));
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if (FAILED(hr))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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goto done;
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}
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TESTHR(hr, oCfg.Read(eroPolicyRO));
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if (FAILED(hr))
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goto done;
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if (oCfg.get_TextLog() == eedEnabled)
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{
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HANDLE hFaultLog = INVALID_HANDLE_VALUE;
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// assume system is on a local drive with a base path of "X:\"
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GetSystemDirectoryW(wszBuffer, sizeofSTRW(wszBuffer));
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wszBuffer[3] = L'\0';
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wcscat(wszBuffer, c_wszLogFileName);
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hFaultLog = CreateFileW(wszBuffer, GENERIC_WRITE,
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FILE_SHARE_WRITE | FILE_SHARE_READ,
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NULL, OPEN_ALWAYS, 0, NULL);
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if (hFaultLog != INVALID_HANDLE_VALUE)
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{
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SYSTEMTIME sst;
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DWORD cb, cbWritten;
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char szMsg[512];
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GetSystemTime(&sst);
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GetModuleFileNameW(NULL, wszExe, sizeofSTRW(wszExe));
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cb = wsprintf(szMsg,
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"%02d-%02d-%04d %02d:%02d:%02d Hang fault for %ls\r\n",
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sst.wDay, sst.wMonth, sst.wYear, sst.wHour, sst.wMinute,
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sst.wSecond, wszExe);
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SetFilePointer(hFaultLog, 0, NULL, FILE_END);
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WriteFile(hFaultLog, szMsg, cb, &cbWritten, NULL);
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CloseHandle(hFaultLog);
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}
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wszBuffer[0] = L'\0';
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}
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// see if we're disabled. We do not allow notify only mode. It's really
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// pointless to do so, given that the user explicitly wanted the app
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// terminated and the 'Do you really want to kill this app' dialog that
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// had to have popped up told him we thot it was hung.
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if (oCfg.get_DoReport() == eedDisabled)
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{
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DBG_MSG("DoReport disabled");
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goto done;
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}
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if (oCfg.get_ShowUI() == eedDisabled)
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{
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LPCWSTR wszULPath = oCfg.get_DumpPath(NULL, 0);
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// check and make sure that we have a corporate path specified. If we
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// don't, bail
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if (wszULPath == NULL || *wszULPath == L'\0')
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{
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DBG_MSG("ShowUI disabled and no CER path");
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goto done;
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}
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}
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// find out what the exe path is
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hProc = OpenProcess(PROCESS_VM_READ | PROCESS_QUERY_INFORMATION, FALSE,
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dwpid);
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if (hProc == NULL)
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{
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if (ERROR_ACCESS_DENIED == GetLastError())
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{
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DBG_MSG("Could not open process: ACCESS_DENIED");
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}
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else
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DBG_MSG("Could not open process");
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goto done;
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}
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TESTHR(hr, GetExePath(hProc, wszExe, sizeofSTRW(wszExe)));
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if (FAILED(hr))
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goto done;
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// check to see if the hung thread is DW or other part of our reporting chain
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// if so, no point in reporting it...
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for(pwsz = wszExe + wcslen(wszExe);
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pwsz >= wszExe && *pwsz != L'\\';
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pwsz--);
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if (*pwsz == L'\\')
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pwsz++;
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if (_wcsicmp(pwsz, L"dwwin.exe") == 0 ||
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_wcsicmp(pwsz, L"dumprep.exe") == 0)
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{
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DBG_MSG("We are hung- BAIL OUT!!");
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goto done;
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}
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if (FreezeAllThreads(dwpid, 0, &st) == FALSE)
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{
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DBG_MSG("Could not freeze all threads");
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goto done;
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}
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fThreadsHeld = TRUE;
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// if we can't collect info on this puppy, then we'd just be notifying & I
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// went over that case above.
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if (oCfg.ShouldCollect(wszExe, &fMSApp) == FALSE)
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goto done;
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if (CreateTempDirAndFile(NULL, NULL, &wszDir) == 0)
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goto done;
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for (pwszApp = wszExe + wcslen(wszExe);
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*pwszApp != L'\\' && pwszApp > wszExe;
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pwszApp--);
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if (*pwszApp == L'\\')
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pwszApp++;
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cchDir = wcslen(wszDir);
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cch = cchDir + sizeofSTRW(c_wszManFileName) + 4;
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__try { wszManifest = (LPWSTR)_alloca(cch * sizeof(WCHAR)); }
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__except(EXCEPTION_STACK_OVERFLOW) { wszManifest = NULL; }
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if (wszManifest == NULL)
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{
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SetLastError(ERROR_OUTOFMEMORY);
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goto done;
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}
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wcscpy(wszManifest, wszDir);
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wszManifest[cchDir] = L'\\';
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wszManifest[cchDir + 1] = L'\0';
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wcscat(wszManifest, c_wszManFileName);
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cchDir = wcslen(wszDir);
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cch = 2 * cchDir + wcslen(pwszApp) + sizeofSTRW(c_wszACFileName) +
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sizeofSTRW(c_wszDumpSuffix) + 4;
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__try { wszFiles = (LPWSTR)_alloca(cch * sizeof(WCHAR)); }
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__except(EXCEPTION_STACK_OVERFLOW) { wszFiles = NULL; }
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if (wszFiles == NULL)
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{
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SetLastError(ERROR_OUTOFMEMORY);
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goto done;
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}
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wcscpy(wszFiles, wszDir);
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wszFiles[cchDir] = L'\\';
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wszFiles[cchDir + 1] = L'\0';
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wcscat(wszFiles, pwszApp);
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wcscat(wszFiles, c_wszDumpSuffix);
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// build a exception context...
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hth = OpenThread(THREAD_GET_CONTEXT | THREAD_QUERY_INFORMATION, FALSE,
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dwtid);
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if (hth == NULL)
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goto done;
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ZeroMemory(&cxt, sizeof(cxt));
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cxt.ContextFlags = CONTEXT_CONTROL;
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TESTBOOL(hr, GetThreadContext(hth, &cxt));
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if (FAILED(hr))
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goto done;
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ZeroMemory(&er, sizeof(er));
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er.ExceptionCode = 0xcfffffff;
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#ifdef _X86_
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// this cast is ok to do cuz we know we're on an x86 machine
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er.ExceptionAddress = (PVOID)cxt.Eip;
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#elif _IA64_
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// this cast is ok to do cuz we know we're on an ia64 machine
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er.ExceptionAddress = (PVOID)cxt.StIIP;
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#endif
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ep.ExceptionRecord = &er;
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ep.ContextRecord = &cxt;
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// generate the minidump
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ZeroMemory(&smdo, sizeof(smdo));
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smdo.cbSMDO = sizeof(smdo);
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#ifdef MANIFEST_HEAP
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smdo.ulThread = c_ulThreadWriteDefault;
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smdo.ulThreadEx = c_ulThreadWriteDefault;
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smdo.ulMod = c_ulModuleWriteDefault;
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#else
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smdo.ulThread = ThreadWriteThread | ThreadWriteContext | ThreadWriteStack;
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smdo.ulMod = ModuleWriteModule | ModuleWriteMiscRecord | ModuleWriteDataSeg;
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#endif
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smdo.dwThreadID = dwtid;
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smdo.dfOptions = dfCollectSig;
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smdo.pvFaultAddr = (UINT64)er.ExceptionAddress;
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#if defined(_X86_) || defined(_IA64_)
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smdo.pEP = (UINT64)&ep;
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smdo.fEPClient = FALSE;
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#endif
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smdo.wszModFullPath[0] = L'\0';
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wcscpy(smdo.wszAppFullPath, wszExe);
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wcscpy(smdo.wszMod, L"hungapp");
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#ifdef MANIFEST_HEAP
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if (InternalGenFullAndTriageMinidumps(hProc, dwpid, wszFiles,
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NULL, &smdo, f64bit) == FALSE)
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#else
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if (InternalGenerateMinidump(hProc, dwpid, wszFiles, &smdo) == FALSE)
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#endif
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goto done;
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ThawAllThreads(&st);
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fThreadsHeld = FALSE;
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// if the app requested it, notify it of that we're done fetching the
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// dump
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if (hNotify != NULL)
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SetEvent(hNotify);
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// log an event- don't care if it fails or not.
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TESTHR(hr, LogHang(smdo.wszApp, smdo.rgAppVer, smdo.wszMod, smdo.rgModVer,
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smdo.pvOffset, f64bit));
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// generate all the URLs & file paths we'll need for reporting
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TESTHR(hr, BuildManifestURLs(smdo.wszApp, smdo.wszMod, smdo.rgAppVer,
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smdo.rgModVer, smdo.pvOffset,
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f64bit, &wszStage1, &wszStage2,
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&wszCorpPath, &pbBuf));
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if (FAILED(hr))
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goto done;
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TESTHR(hr, GetVerName(smdo.wszAppFullPath, wszAppName,
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sizeofSTRW(wszAppName)));
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if (FAILED(hr))
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goto done;
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wszAppName[sizeofSTRW(wszAppName) - 1] = L'\0';
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// we created the wszDump buffer above big enuf to hold both the
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// dumpfile path as well as the app compat filename. So make
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// use of that right now.
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cchSep = wcslen(wszFiles);
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pwszAppCompat = wszFiles + cchSep + 1;
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wcscpy(pwszAppCompat, wszDir);
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pwszAppCompat[cchDir] = L'\\';
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pwszAppCompat[cchDir + 1] = L'\0';
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wcscat(pwszAppCompat, c_wszACFileName);
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// if we succeed, turn the NULL following the dump file path into
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// the DW separator character
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TESTBOOL(hr, GetAppCompatData(wszExe, smdo.wszModFullPath, pwszAppCompat));
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if (SUCCEEDED(hr))
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wszFiles[cchSep] = DW_FILESEP;
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// get the header text
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dw = LoadStringW(g_hInstance, IDS_HHDRTXT, wszBuffer,
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sizeofSTRW(wszBuffer));
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if (dw == 0)
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goto done;
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cch = dw + wcslen(wszAppName) + 1;
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__try { wszHdr = (LPWSTR)_alloca(cch * sizeof(WCHAR)); }
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__except(EXCEPTION_STACK_OVERFLOW) { wszHdr = NULL; }
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if (wszHdr == NULL)
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{
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SetLastError(ERROR_OUTOFMEMORY);
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goto done;
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}
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swprintf(wszHdr, wszBuffer, wszAppName);
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ZeroMemory(&dwmb, sizeof(dwmb));
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dwmb.wszTitle = wszAppName;
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dwmb.wszHdr = wszHdr;
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dwmb.nidErrMsg = IDS_HERRMSG;
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dwmb.wszStage1 = wszStage1;
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dwmb.wszStage2 = wszStage2;
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dwmb.wszBrand = c_wszDWBrand;
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dwmb.wszFileList = wszFiles;
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dwmb.fIsMSApp = fMSApp;
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dwmb.wszCorpPath = wszCorpPath;
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dwmb.wszEventSrc = c_wszHangEventSrc;
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// check and see if the system is shutting down. If so, CreateProcess is
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// gonna pop up some annoying UI that we can't get rid of, so we don't
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// want to call it if we know it's gonna happen.
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if (GetSystemMetrics(SM_SHUTTINGDOWN))
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goto done;
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frrvRet = StartDWManifest(oCfg, dwmb, wszManifest);
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done:
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// preserve the error code so that the following calls don't overwrite it
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dw = GetLastError();
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if (fThreadsHeld)
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ThawAllThreads(&st);
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if (hProc != NULL)
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CloseHandle(hProc);
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if (hth != NULL)
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CloseHandle(hth);
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if (wszFiles != NULL)
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{
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if (pwszAppCompat != NULL)
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{
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wszFiles[cchSep] = L'\0';
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DeleteFileW(pwszAppCompat);
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}
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#ifdef MANIFEST_HEAP
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DeleteFullAndTriageMiniDumps(wszFiles);
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#else
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DeleteFileW(wszFiles);
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#endif
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}
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if (wszManifest != NULL)
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DeleteFileW(wszManifest);
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if (wszDir != NULL)
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{
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DeleteTempDirAndFile(wszDir, FALSE);
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MyFree(wszDir);
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}
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if (pbBuf != NULL)
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MyFree(pbBuf);
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SetLastError(dw);
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return frrvRet;
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}
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