X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd.cpp;h=632319ea366a56cbbd3ca371cac870d04f588927;hb=bfdf503e5204ba17479084e688a3605dbc9007a2;hp=52aeddf04bcb5fe7abd6620688b2da806553001b;hpb=d396355d3e594544a4760f3e7d4e7c75a02430a8;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspircd.cpp b/src/inspircd.cpp index 52aeddf04..632319ea3 100644 --- a/src/inspircd.cpp +++ b/src/inspircd.cpp @@ -14,18 +14,19 @@ #include "inspircd.h" #include "configreader.h" #include -#ifndef WIN32 +#ifndef WIN32 #include #include #include - +#include +#include /* This is just to be completely certain that the change which fixed getrusage on RH7 doesn't break anything else -- Om */ #ifndef RUSAGE_SELF #define RUSAGE_SELF 0 #endif - #endif + #include #include #include "modules.h" @@ -38,12 +39,108 @@ #include "command_parse.h" #include "exitcodes.h" -#ifndef WIN32 -#include -#include -#else -#include -bool g_starting = true; +#ifdef WIN32 + +/* This MUST remain static and delcared outside the class, so that WriteProcessMemory can reference it properly */ +static DWORD owner_processid = 0; + +DWORD WindowsForkStart(InspIRCd * Instance) +{ + /* Windows implementation of fork() :P */ + + 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); +} + #endif using irc::sockets::NonBlocking; @@ -63,7 +160,7 @@ const char* ExitCodes[] = "Internal error", /* 3 */ "Config file error", /* 4 */ "Logfile error", /* 5 */ - "Fork failed", /* 6 */ + "POSIX fork failed", /* 6 */ "Bad commandline parameters", /* 7 */ "No ports could be bound", /* 8 */ "Can't write PID file", /* 9 */ @@ -71,7 +168,7 @@ const char* ExitCodes[] = "Refusing to start up as root", /* 11 */ "Found a tag!", /* 12 */ "Couldn't load module on startup", /* 13 */ - "", /* 14 */ + "Could not create windows forked process", /* 14 */ "Received SIGTERM", /* 15 */ }; @@ -201,7 +298,7 @@ void InspIRCd::Start() { printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__); printf_c("(C) InspIRCd Development Team.\033[0m\n\n"); - printf_c("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey\033[0m\n"); + printf_c("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey, Burlex\033[0m\n"); printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n"); } @@ -276,6 +373,7 @@ void InspIRCd::QuickExit(int status) bool InspIRCd::DaemonSeed() { #ifdef WINDOWS + printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId()); return true; #else signal(SIGTERM, InspIRCd::QuickExit); @@ -354,12 +452,6 @@ std::string InspIRCd::GetRevision() InspIRCd::InspIRCd(int argc, char** argv) : ModCount(-1), GlobalCulls(this) { -#ifdef WINDOWS - ClearConsole(); - WSADATA wsadata; - WSAStartup(MAKEWORD(2,0), &wsadata); -#endif - int found_ports = 0; FailedPortList pl; int do_version = 0, do_nofork = 0, do_debug = 0, do_nolog = 0, do_root = 0; /* flag variables */ @@ -395,12 +487,12 @@ InspIRCd::InspIRCd(int argc, char** argv) struct option longopts[] = { - { "nofork", no_argument, &do_nofork, 1 }, - { "logfile", required_argument, NULL, 'f' }, - { "config", required_argument, NULL, 'c' }, - { "debug", no_argument, &do_debug, 1 }, - { "nolog", no_argument, &do_nolog, 1 }, - { "runasroot", no_argument, &do_root, 1 }, + { "nofork", no_argument, &do_nofork, 1 }, + { "logfile", required_argument, NULL, 'f' }, + { "config", required_argument, NULL, 'c' }, + { "debug", no_argument, &do_debug, 1 }, + { "nolog", no_argument, &do_nolog, 1 }, + { "runasroot", no_argument, &do_root, 1 }, { "version", no_argument, &do_version, 1 }, { 0, 0, 0, 0 } }; @@ -412,12 +504,10 @@ InspIRCd::InspIRCd(int argc, char** argv) case 'f': /* Log filename was set */ strlcpy(LogFileName, optarg, MAXBUF); - printf("LOG: Setting logfile to %s\n", LogFileName); break; case 'c': /* Config filename was set */ strlcpy(ConfigFileName, optarg, MAXBUF); - printf("CONFIG: Setting config file to %s\n", ConfigFileName); break; case 0: /* getopt_long_only() set an int variable, just keep going */ @@ -436,6 +526,21 @@ InspIRCd::InspIRCd(int argc, char** argv) Exit(EXIT_STATUS_NOERROR); } +#ifdef WIN32 + + // Handle forking + if(!do_nofork && !owner_processid) + { + DWORD ExitCode = WindowsForkStart(this); + if(ExitCode) + Exit(ExitCode); + } + + // Set up winsock + WSADATA wsadata; + WSAStartup(MAKEWORD(2,0), &wsadata); + +#endif if (!ServerConfig::FileExists(this->ConfigFileName)) { printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName); @@ -559,22 +664,18 @@ InspIRCd::InspIRCd(int argc, char** argv) Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground."); } } +#else + InitIPC(); + if(!Config->nofork) + { + WindowsForkKillOwner(this); + FreeConsole(); + } #endif printf("\nInspIRCd is now running!\n"); Log(DEFAULT,"Startup complete."); this->WritePID(Config->PID); - -#ifdef WINDOWS - InitIPC(); - - g_starting = false; - - // remove the console if in no-fork - if(!Config->nofork) - FreeConsole(); - -#endif } std::string InspIRCd::GetVersionString() @@ -1137,7 +1238,7 @@ void FileLogger::WriteLogLine(const std::string &line) { int written = fprintf(log,"%s",buffer.c_str()); #ifdef WINDOWS - buffer = ""; + buffer.clear(); #else if ((written >= 0) && (written < (int)buffer.length())) { @@ -1152,7 +1253,7 @@ void FileLogger::WriteLogLine(const std::string &line) else { /* Wrote the whole buffer, and no need for write callback */ - buffer = ""; + buffer.clear(); } #endif if (writeops++ % 20) @@ -1183,7 +1284,7 @@ void FileLogger::Close() fclose(log); } - buffer = ""; + buffer.clear(); } FileLogger::FileLogger(InspIRCd* Instance, FILE* logfile) : ServerInstance(Instance), log(logfile), writeops(0) @@ -1192,7 +1293,7 @@ FileLogger::FileLogger(InspIRCd* Instance, FILE* logfile) : ServerInstance(Insta { irc::sockets::NonBlocking(fileno(log)); this->SetFd(fileno(log)); - buffer = ""; + buffer.clear(); } }