X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=win%2Finspircd_win32wrapper.cpp;h=03d89a7aa5a8f0b932d7cf77e61dadf009f027a7;hb=fe26d8299df2696f2b26aa5e2011050af44de06a;hp=ad45bb0aec8a2b3a51a210697223bc584e296710;hpb=0bb707c10c04621f9eb8fdf5211bec8156dbca11;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/win/inspircd_win32wrapper.cpp b/win/inspircd_win32wrapper.cpp index ad45bb0ae..03d89a7aa 100644 --- a/win/inspircd_win32wrapper.cpp +++ b/win/inspircd_win32wrapper.cpp @@ -2,7 +2,7 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * InspIRCd: (C) 2002-2008 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see @@ -13,16 +13,31 @@ #include "inspircd_win32wrapper.h" #include "inspircd.h" +#include "configreader.h" #include #include #include +#define _WIN32_DCOM +#include +#include + +#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 -HANDLE hIPCPipe; +#include + +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) { @@ -76,71 +91,6 @@ int inet_pton(int af, const char *src, void *dst) return rv; } -char * strtok_r(char *_String, const char *_Control, char **_Context) -{ - 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; - - 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) - { - str++; - } - - _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 (map[*str >> 3] & (1 << (*str & 7))) - { - *str++ = 0; - break; - } - } - - /* 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); @@ -296,7 +246,6 @@ int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, return -1; const char * opt = ___argv[arg_counter]; - int return_val = 0; // if we're not an option, return an error. if (strnicmp(opt, "--", 2) != 0) @@ -358,21 +307,7 @@ int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, return 1; } -/* IPC Messages */ -#define IPC_MESSAGE_REHASH 1 -#define IPC_MESSAGE_DIE 2 -#define IPC_MESSAGE_RESTART 3 - -void InitIPC() -{ - static DWORD buflen = 1024; - static const char * pipename = "\\\\.\\mailslot\\Inspircd"; - hIPCPipe = CreateMailslot(pipename, buflen, 0, 0); - if (hIPCPipe == INVALID_HANDLE_VALUE) - printf("IPC Pipe could not be created. Are you sure you didn't start InspIRCd twice?\n"); -} - -void CheckIPC(InspIRCd * Instance) +/*void IPC::Check() { if (hIPCPipe == INVALID_HANDLE_VALUE) return; @@ -384,14 +319,14 @@ void CheckIPC(InspIRCd * Instance) if (!res) { if (GetLastError() != ERROR_SEM_TIMEOUT) - Instance->Log(DEFAULT, "IPC Pipe Error %u: %s", GetLastError(), dlerror()); + Instance->Logs->Log("win32",DEFAULT, "IPC Pipe Error %u: %s", GetLastError(), dlerror()); return; } switch (action) { case IPC_MESSAGE_REHASH: - Instance->Rehash(0); + Instance->Rehash("due to IPC message"); break; case IPC_MESSAGE_DIE: @@ -402,12 +337,7 @@ void CheckIPC(InspIRCd * Instance) Instance->Restart("IPC_MESSAGE_RESTART received by mailslot."); break; } -} - -void CloseIPC() -{ - CloseHandle(hIPCPipe); -} +}*/ /* These three functions were created from looking at how ares does it @@ -511,3 +441,282 @@ void ClearConsole() } 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; +} + +DWORD WindowsForkStart(InspIRCd* Instance) +{ + /* 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; +} + +void WindowsForkKillOwner(InspIRCd * Instance) +{ + 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: 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," 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; +} + +void usleep(unsigned long usecs) +{ + if (usecs > 0UL) + { + unsigned long millis = ((usecs + 999UL) / 1000UL); + SleepEx(millis, false); + } +}