-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2011 Adam <Adam@anope.org>
+ * Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2009 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2008 John Brooks <john.brooks@dereferenced.net>
+ * Copyright (C) 2007 Burlex <???@???>
+ * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program 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 General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+
#include "inspircd_win32wrapper.h"
#include "inspircd.h"
#include "configreader.h"
#include <string>
#include <errno.h>
#include <assert.h>
-#define _WIN32_DCOM
-#include <comdef.h>
-#include <Wbemidl.h>
-
-#pragma comment(lib, "wbemuuid.lib")
-#pragma comment(lib, "comsuppwd.lib")
-#pragma comment(lib, "winmm.lib")
-using namespace std;
-
-#ifndef INADDR_NONE
-#define INADDR_NONE 0xffffffff
-#endif
-
-#include <mmsystem.h>
-
-IWbemLocator *pLoc = NULL;
-IWbemServices *pSvc = NULL;
-/* This MUST remain static and delcared outside the class, so that WriteProcessMemory can reference it properly */
-static DWORD owner_processid = 0;
-
-
-int inet_aton(const char *cp, struct in_addr *addr)
-{
- unsigned long ip = inet_addr(cp);
- addr->s_addr = ip;
- return (addr->s_addr == INADDR_NONE) ? 0 : 1;
-}
-
-const char *inet_ntop(int af, const void *src, char *dst, socklen_t cnt)
+CoreExport const char *insp_inet_ntop(int af, const void *src, char *dst, socklen_t cnt)
{
if (af == AF_INET)
return NULL;
}
-int geteuid()
-{
- return 1;
-}
-
-int inet_pton(int af, const char *src, void *dst)
-{
- sockaddr_in sa;
- int len = sizeof(SOCKADDR);
- int rv = WSAStringToAddress((LPSTR)src, af, NULL, (LPSOCKADDR)&sa, &len);
- if(rv >= 0)
- {
- if(WSAGetLastError() == 10022) // Invalid Argument
- rv = 0;
- else
- rv = 1;
- }
- memcpy(dst, &sa.sin_addr, sizeof(struct in_addr));
- return rv;
-}
-
-char * strtok_r(char *_String, const char *_Control, char **_Context)
+CoreExport int insp_inet_pton(int af, const char *src, void *dst)
{
- unsigned char *str;
- const unsigned char *ctl = (const unsigned char*)_Control;
- unsigned char map[32];
-
- if (_Context == 0 || !_Control)
- return 0;
-
- if (!(_String != NULL || *_Context != NULL))
- return 0;
+ int address_length;
+ sockaddr_storage sa;
+ sockaddr_in* sin = reinterpret_cast<sockaddr_in*>(&sa);
+ sockaddr_in6* sin6 = reinterpret_cast<sockaddr_in6*>(&sa);
- memset(map, 0, 32);
-
- do {
- map[*ctl >> 3] |= (1 << (*ctl & 7));
- } while (*ctl++);
-
- /* If string is NULL, set str to the saved
- * pointer (i.e., continue breaking tokens out of the string
- * from the last strtok call) */
- if (_String != NULL)
- {
- str = (unsigned char*)_String;
- }
- else
- {
- str = (unsigned char*)*_Context;
- }
-
- /* Find beginning of token (skip over leading delimiters). Note that
- * there is no token iff this loop sets str to point to the terminal
- * null (*str == 0) */
- while ((map[*str >> 3] & (1 << (*str & 7))) && *str != 0)
+ switch (af)
{
- str++;
+ case AF_INET:
+ address_length = sizeof(sockaddr_in);
+ break;
+ case AF_INET6:
+ address_length = sizeof(sockaddr_in6);
+ break;
+ default:
+ return -1;
}
- _String = (char*)str;
-
- /* Find the end of the token. If it is not the end of the string,
- * put a null there. */
- for ( ; *str != 0 ; str++ )
+ if (!WSAStringToAddress(static_cast<LPSTR>(const_cast<char *>(src)), af, NULL, reinterpret_cast<LPSOCKADDR>(&sa), &address_length))
{
- if (map[*str >> 3] & (1 << (*str & 7)))
+ switch (af)
{
- *str++ = 0;
- break;
+ case AF_INET:
+ memcpy(dst, &sin->sin_addr, sizeof(in_addr));
+ break;
+ case AF_INET6:
+ memcpy(dst, &sin6->sin6_addr, sizeof(in6_addr));
+ break;
}
+ return 1;
}
- /* Update context */
- *_Context = (char*)str;
-
- /* Determine if a token has been found. */
- if (_String == (char*)str)
- {
- return NULL;
- }
- else
- {
- return _String;
- }
-}
-
-void setcolor(int color_code)
-{
- SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color_code);
+ return 0;
}
-DIR * opendir(const char * path)
+CoreExport DIR * opendir(const char * path)
{
- std::string search_path = string(path) + "\\*.*";
- WIN32_FIND_DATA fd;
- HANDLE f = FindFirstFile(search_path.c_str(), &fd);
+ std::string search_path = std::string(path) + "\\*.*";
+ WIN32_FIND_DATAA fd;
+ HANDLE f = FindFirstFileA(search_path.c_str(), &fd);
if (f != INVALID_HANDLE_VALUE)
{
DIR * d = new DIR;
}
}
-dirent * readdir(DIR * handle)
+CoreExport dirent * readdir(DIR * handle)
{
if (handle->first)
handle->first = false;
else
{
- if (!FindNextFile(handle->find_handle, &handle->find_data))
+ if (!FindNextFileA(handle->find_handle, &handle->find_data))
return 0;
}
return &handle->dirent_pointer;
}
-void closedir(DIR * handle)
+CoreExport void closedir(DIR * handle)
{
FindClose(handle->find_handle);
delete handle;
}
-const char * dlerror()
-{
- static char errormessage[500];
- DWORD error = GetLastError();
- SetLastError(0);
- if (error == 0)
- return 0;
-
- FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)errormessage, 500, 0);
- return errormessage;
-}
-
-#define TRED FOREGROUND_RED | FOREGROUND_INTENSITY
-#define TGREEN FOREGROUND_GREEN | FOREGROUND_INTENSITY
-#define TYELLOW FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY
-#define TNORMAL FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE
-#define TWHITE TNORMAL | FOREGROUND_INTENSITY
-#define TBLUE FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_INTENSITY
-
-/* Handles colors in printf */
-int printf_c(const char * format, ...)
-{
- // Better hope we're not multithreaded, otherwise we'll have chickens crossing the road other side to get the to :P
- static char message[MAXBUF];
- static char temp[MAXBUF];
- int color1, color2;
-
- /* parse arguments */
- va_list ap;
- va_start(ap, format);
- vsnprintf(message, 500, format, ap);
- va_end(ap);
-
- /* search for unix-style escape sequences */
- int t;
- int c = 0;
- const char * p = message;
- while (*p != 0)
- {
- if (*p == '\033')
- {
- // Escape sequence -> copy into the temp buffer, and parse the color.
- p++;
- t = 0;
- while ((*p) && (*p != 'm'))
- {
- temp[t++] = *p;
- ++p;
- }
-
- temp[t] = 0;
- p++;
-
- if (*temp == '[')
- {
- if (sscanf(temp, "[%u;%u", &color1, &color2) == 2)
- {
- switch(color2)
- {
- case 32: // Green
- SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | FOREGROUND_INTENSITY); // Yellow
- break;
-
- default: // Unknown
- // White
- SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY);
- break;
- }
- }
- else
- {
- switch (*(temp+1))
- {
- case '0':
- // Returning to normal colour.
- SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
- break;
-
- case '1':
- // White
- SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), TWHITE);
- break;
-
- default:
- char message[50];
- sprintf(message, "Unknown color code: %s", temp);
- MessageBox(0, message, message, MB_OK);
- break;
- }
- }
- }
- }
-
- putchar(*p);
- ++c;
- ++p;
- }
-
- return c;
-}
-
-int arg_counter = 1;
+int optind = 1;
char optarg[514];
-int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind)
+int getopt_long(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind)
{
// burlex todo: handle the shortops, at the moment it only works with longopts.
- if (___argc == 1 || arg_counter == ___argc) // No arguments (apart from filename)
+ if (___argc == 1 || optind == ___argc) // No arguments (apart from filename)
return -1;
- const char * opt = ___argv[arg_counter];
+ const char * opt = ___argv[optind];
+ optind++;
// if we're not an option, return an error.
if (strnicmp(opt, "--", 2) != 0)
{
// woot, found a valid argument =)
char * par = 0;
- if ((arg_counter + 1) != ___argc)
+ if ((optind) != ___argc)
{
// grab the parameter from the next argument (if its not another argument)
- if (strnicmp(___argv[arg_counter+1], "--", 2) != 0)
+ if (strnicmp(___argv[optind], "--", 2) != 0)
{
- arg_counter++; // Trash this next argument, we won't be needing it.
- par = ___argv[arg_counter];
+// optind++; // Trash this next argument, we won't be needing it.
+ par = ___argv[optind-1];
}
- }
+ }
// increment the argument for next time
- arg_counter++;
+// optind++;
// determine action based on type
if (__longopts[i].has_arg == required_argument && !par)
{
if (__longopts[i].val == -1 || par == 0)
return 1;
-
+
return __longopts[i].val;
- }
+ }
break;
}
}
return 1;
}
-/*void IPC::Check()
-{
- if (hIPCPipe == INVALID_HANDLE_VALUE)
- return;
-
- DWORD bytes;
- DWORD action;
-
- BOOL res = ReadFile(hIPCPipe, &action, sizeof(DWORD), &bytes, 0);
- if (!res)
- {
- if (GetLastError() != ERROR_SEM_TIMEOUT)
- Instance->Logs->Log("win32",DEFAULT, "IPC Pipe Error %u: %s", GetLastError(), dlerror());
- return;
- }
-
- switch (action)
- {
- case IPC_MESSAGE_REHASH:
- Instance->Rehash("due to IPC message");
- break;
-
- case IPC_MESSAGE_DIE:
- Instance->Exit(0);
- break;
-
- case IPC_MESSAGE_RESTART:
- Instance->Restart("IPC_MESSAGE_RESTART received by mailslot.");
- break;
- }
-}*/
-
-
-/* These three functions were created from looking at how ares does it
- * (...and they look far tidier in C++)
- */
-
-/* Get active nameserver */
-bool GetNameServer(HKEY regkey, const char *key, char* &output)
+CWin32Exception::CWin32Exception() : exception()
{
- DWORD size = 0;
- DWORD result = RegQueryValueEx(regkey, key, 0, NULL, NULL, &size);
- if (((result != ERROR_SUCCESS) && (result != ERROR_MORE_DATA)) || (!size))
- return false;
-
- output = new char[size+1];
-
- if ((RegQueryValueEx(regkey, key, 0, NULL, (LPBYTE)output, &size) != ERROR_SUCCESS) || (!*output))
- {
- delete output;
- return false;
- }
- return true;
+ dwErrorCode = GetLastError();
+ if( FormatMessageA( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwErrorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)szErrorString, _countof(szErrorString), NULL) == 0 )
+ sprintf_s(szErrorString, _countof(szErrorString), "Error code: %u", dwErrorCode);
}
-/* Check a network interface for its nameserver */
-bool GetInterface(HKEY regkey, const char *key, char* &output)
+CWin32Exception::CWin32Exception(const CWin32Exception& other)
{
- char buf[39];
- DWORD size = 39;
- int idx = 0;
- HKEY top;
-
- while (RegEnumKeyEx(regkey, idx++, buf, &size, 0, NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS)
- {
- size = 39;
- if (RegOpenKeyEx(regkey, buf, 0, KEY_QUERY_VALUE, &top) != ERROR_SUCCESS)
- continue;
- int rc = GetNameServer(top, key, output);
- RegCloseKey(top);
- if (rc)
- return true;
- }
- return false;
-}
-
-
-std::string FindNameServerWin()
-{
- std::string returnval = "127.0.0.1";
- HKEY top, key;
- char* dns = NULL;
-
- /* Lets see if the correct registry hive and tree exist */
- if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, KEY_READ, &top) == ERROR_SUCCESS)
- {
- /* If they do, attempt to get the nameserver name */
- RegOpenKeyEx(top, "Interfaces", 0, KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS, &key);
- if ((GetNameServer(top, "NameServer", dns)) || (GetNameServer(top, "DhcpNameServer", dns))
- || (GetInterface(key, "NameServer", dns)) || (GetInterface(key, "DhcpNameServer", dns)))
- {
- if (dns)
- {
- returnval = dns;
- delete dns;
- }
- }
- RegCloseKey(key);
- RegCloseKey(top);
- }
- return returnval;
-}
-
-
-void ClearConsole()
-{
- COORD coordScreen = { 0, 0 }; /* here's where we'll home the cursor */
- HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
- DWORD cCharsWritten;
- CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */
- DWORD dwConSize; /* number of character cells in the current buffer */
-
- /* get the number of character cells in the current buffer */
-
- if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
- {
- dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
- /* fill the entire screen with blanks */
- if (FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten ))
- {
- /* get the current text attribute */
- if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
- {
- /* now set the buffer's attributes accordingly */
- if (FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten ))
- {
- /* put the cursor at (0, 0) */
- SetConsoleCursorPosition( hConsole, coordScreen );
- }
- }
- }
- }
- return;
-}
-
-/* Many inspircd classes contain function pointers/functors which can be changed to point at platform specific implementations
- * of code. This function repoints these pointers and functors so that calls are windows specific.
- */
-void ChangeWindowsSpecificPointers(InspIRCd* Instance)
-{
- Instance->Logs->Log("win32",DEBUG,"Changing to windows specific pointer and functor set");
- Instance->Config->DNSServerValidator = &ValidateWindowsDnsServer;
+ strcpy_s(szErrorString, _countof(szErrorString), other.szErrorString);
}
-DWORD WindowsForkStart(InspIRCd* Instance)
+const char* CWin32Exception::what() const throw()
{
- /* Windows implementation of fork() :P */
- if (owner_processid)
- return 0;
-
- char module[MAX_PATH];
- if(!GetModuleFileName(NULL, module, MAX_PATH))
- {
- printf("GetModuleFileName() failed.\n");
- return false;
- }
-
- STARTUPINFO startupinfo;
- PROCESS_INFORMATION procinfo;
- ZeroMemory(&startupinfo, sizeof(STARTUPINFO));
- ZeroMemory(&procinfo, sizeof(PROCESS_INFORMATION));
-
- // Fill in the startup info struct
- GetStartupInfo(&startupinfo);
-
- /* Default creation flags create the processes suspended */
- DWORD startupflags = CREATE_SUSPENDED;
-
- /* On windows 2003/XP and above, we can use the value
- * CREATE_PRESERVE_CODE_AUTHZ_LEVEL which gives more access
- * to the process which we may require on these operating systems.
- */
- OSVERSIONINFO vi;
- vi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
- GetVersionEx(&vi);
- if ((vi.dwMajorVersion >= 5) && (vi.dwMinorVersion > 0))
- startupflags |= CREATE_PRESERVE_CODE_AUTHZ_LEVEL;
-
- // Launch our "forked" process.
- BOOL bSuccess = CreateProcess ( module, // Module (exe) filename
- strdup(GetCommandLine()), // Command line (exe plus parameters from the OS)
- // NOTE: We cannot return the direct value of the
- // GetCommandLine function here, as the pointer is
- // passed straight to the child process, and will be
- // invalid once we exit as it goes out of context.
- // strdup() seems ok, though.
- 0, // PROCESS_SECURITY_ATTRIBUTES
- 0, // THREAD_SECURITY_ATTRIBUTES
- TRUE, // We went to inherit handles.
- startupflags, // Allow us full access to the process and suspend it.
- 0, // ENVIRONMENT
- 0, // CURRENT_DIRECTORY
- &startupinfo, // startup info
- &procinfo); // process info
-
- if(!bSuccess)
- {
- printf("CreateProcess() error: %s\n", dlerror());
- return false;
- }
-
- // Set the owner process id in the target process.
- SIZE_T written = 0;
- DWORD pid = GetCurrentProcessId();
- if(!WriteProcessMemory(procinfo.hProcess, &owner_processid, &pid, sizeof(DWORD), &written) || written != sizeof(DWORD))
- {
- printf("WriteProcessMemory() failed: %s\n", dlerror());
- return false;
- }
-
- // Resume the other thread (let it start)
- ResumeThread(procinfo.hThread);
-
- // Wait for the new process to kill us. If there is some error, the new process will end and we will end up at the next line.
- WaitForSingleObject(procinfo.hProcess, INFINITE);
-
- // If we hit this it means startup failed, default to 14 if this fails.
- DWORD ExitCode = 14;
- GetExitCodeProcess(procinfo.hProcess, &ExitCode);
- CloseHandle(procinfo.hThread);
- CloseHandle(procinfo.hProcess);
- return ExitCode;
+ return szErrorString;
}
-void WindowsForkKillOwner(InspIRCd * Instance)
+DWORD CWin32Exception::GetErrorCode()
{
- HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, owner_processid);
- if(!hProcess || !owner_processid)
- {
- printf("Could not open process id %u: %s.\n", owner_processid, dlerror());
- Instance->Exit(14);
- }
-
- // die die die
- if(!TerminateProcess(hProcess, 0))
- {
- printf("Could not TerminateProcess(): %s\n", dlerror());
- Instance->Exit(14);
- }
-
- CloseHandle(hProcess);
-}
-
-bool ValidateWindowsDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
-{
- if (!*(data.GetString()))
- {
- std::string nameserver;
- conf->GetInstance()->Logs->Log("win32",DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in the registry...");
- nameserver = FindNameServerWin();
- /* Windows stacks multiple nameservers in one registry key, seperated by commas.
- * Spotted by Cataclysm.
- */
- if (nameserver.find(',') != std::string::npos)
- nameserver = nameserver.substr(0, nameserver.find(','));
- /* Just to be FUCKING AKWARD, windows fister... err i mean vista...
- * seperates the nameservers with spaces instead.
- */
- if (nameserver.find(' ') != std::string::npos)
- nameserver = nameserver.substr(0, nameserver.find(' '));
- data.Set(nameserver.c_str());
- conf->GetInstance()->Logs->Log("win32",DEFAULT,"<dns:server> set to '%s' as first active resolver in registry.", nameserver.c_str());
- }
- return true;
-}
-
-int gettimeofday(struct timeval * tv, void * tz)
-{
- if(tv == NULL)
- return -1;
-
- DWORD mstime = timeGetTime();
- tv->tv_sec = time(NULL);
- tv->tv_usec = (mstime - (tv->tv_sec * 1000)) * 1000;
- return 0;
-}
-
-/* Initialise WMI. Microsoft have the silliest ideas about easy ways to
- * obtain the CPU percentage of a running process!
- * The whole API for this uses evil DCOM and is entirely unicode, giving
- * all results and accepting queries as wide strings.
- */
-bool initwmi()
-{
- HRESULT hres;
-
- /* Initialise COM. This can kill babies. */
- hres = CoInitializeEx(0, COINIT_MULTITHREADED);
- if (FAILED(hres))
- return false;
-
- /* COM security. This stuff kills kittens */
- hres = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_DEFAULT,
- RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, NULL);
-
- if (FAILED(hres))
- {
- CoUninitialize();
- return false;
- }
-
- /* Instance to COM object */
- pLoc = NULL;
- hres = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID*)&pLoc);
-
- if (FAILED(hres))
- {
- CoUninitialize();
- return false;
- }
-
- pSvc = NULL;
-
- /* Connect to DCOM server */
- hres = pLoc->ConnectServer(_bstr_t(L"ROOT\\CIMV2"), NULL, NULL, 0, NULL, 0, 0, &pSvc);
-
- /* That didn't work, maybe no kittens found to kill? */
- if (FAILED(hres))
- {
- pLoc->Release();
- CoUninitialize();
- return false;
- }
-
- /* Don't even ASK what this does. I'm still not too sure myself. */
- hres = CoSetProxyBlanket(pSvc, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL,
- RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE);
-
- if (FAILED(hres))
- {
- pSvc->Release();
- pLoc->Release();
- CoUninitialize();
- return false;
- }
- return true;
-}
-
-void donewmi()
-{
- pSvc->Release();
- pLoc->Release();
- CoUninitialize();
-}
-
-/* Return the CPU usage in percent of this process */
-int getcpu()
-{
- HRESULT hres;
-
- /* Use WQL, similar to SQL, to construct a query that lists the cpu usage and pid of all processes */
- IEnumWbemClassObject* pEnumerator = NULL;
- hres = pSvc->ExecQuery(bstr_t("WQL"),
- bstr_t("Select PercentProcessorTime,IDProcess from Win32_PerfFormattedData_PerfProc_Process"),
- WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator);
-
- /* Query didn't work */
- if (FAILED(hres))
- return -1;
-
- IWbemClassObject *pclsObj = NULL;
- ULONG uReturn = 0;
-
- /* Iterate the query results */
- while (pEnumerator)
- {
- VARIANT vtProp;
- /* Next item */
- HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn);
-
- /* No more items left */
- if (uReturn == 0)
- break;
-
- /* Find process ID */
- hr = pclsObj->Get(L"IDProcess", 0, &vtProp, 0, 0);
- if (!FAILED(hr))
- {
- /* Matches our process ID? */
- if (vtProp.uintVal == GetCurrentProcessId())
- {
- VariantClear(&vtProp);
- /* Get CPU percentage for this process */
- hr = pclsObj->Get(L"PercentProcessorTime", 0, &vtProp, 0, 0);
- if (!FAILED(hr))
- {
- /* Deal with wide string ickyness. Who in their right
- * mind puts a number in a bstrVal wide string item?!
- */
- VariantClear(&vtProp);
- int cpu = 0;
- std::wstringstream out(vtProp.bstrVal);
- out >> cpu;
- pEnumerator->Release();
- pclsObj->Release();
- return cpu;
- }
- }
- }
- }
- pEnumerator->Release();
- pclsObj->Release();
- return -1;
+ return dwErrorCode;
}