X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=win%2Finspircd_win32wrapper.cpp;h=75a9eaf4f2258127ee53dd3c6b8542e61c7c1f35;hb=623c7554a2de6fcee581a4712dd8947c14a9481b;hp=b3af867cff67c387685e2041950f2462d78030e7;hpb=f2acdbc3820f0f4f5ef76a0a64e73d2a320df91f;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/win/inspircd_win32wrapper.cpp b/win/inspircd_win32wrapper.cpp index b3af867cf..75a9eaf4f 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 +13,22 @@ #include "inspircd_win32wrapper.h" #include "inspircd.h" +#include "configreader.h" #include #include #include +#pragma comment(lib, "winmm.lib") using namespace std; #ifndef INADDR_NONE #define INADDR_NONE 0xffffffff #endif -HANDLE hIPCPipe; +#include + +/* 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) { @@ -296,7 +302,6 @@ 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 +363,7 @@ 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; @@ -384,30 +375,25 @@ 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: - InspIRCd::Rehash(0); + Instance->Rehash("due to IPC message"); break; case IPC_MESSAGE_DIE: - InspIRCd::Exit(0); + Instance->Exit(0); break; case IPC_MESSAGE_RESTART: 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 +497,145 @@ 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; +}