X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=win%2Finspircd_win32wrapper.cpp;h=223fb648ebba170bf7c91a2891c7d32f15ed095e;hb=6d03943426dcce76ba66567a9b18425a5ebb4c0c;hp=017ed4808d2a7cd03dbb051c14fe0e18e0206f19;hpb=7770edd7037180c4a49771beb89519874a650668;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/win/inspircd_win32wrapper.cpp b/win/inspircd_win32wrapper.cpp index 017ed4808..223fb648e 100644 --- a/win/inspircd_win32wrapper.cpp +++ b/win/inspircd_win32wrapper.cpp @@ -1,440 +1,686 @@ -#include "inspircd_win32wrapper.h" -#include "inspircd.h" -#include -#include -#include -using namespace std; - -#ifndef INADDR_NONE -#define INADDR_NONE 0xffffffff -#endif - - -HANDLE hIPCPipe; - -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) -{ - - if (af == AF_INET) - { - struct sockaddr_in in; - memset(&in, 0, sizeof(in)); - in.sin_family = AF_INET; - memcpy(&in.sin_addr, src, sizeof(struct in_addr)); - getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST); - return dst; - } - else if (af == AF_INET6) - { - struct sockaddr_in6 in; - memset(&in, 0, sizeof(in)); - in.sin6_family = AF_INET6; - memcpy(&in.sin6_addr, src, sizeof(struct in_addr6)); - getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST); - return dst; - } - 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); - memcpy(dst, &sa.sin_addr, sizeof(struct in_addr)); - 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); -} - -DIR * opendir(const char * path) -{ - std::string search_path = string(path) + "\\*.*"; - WIN32_FIND_DATA fd; - HANDLE f = FindFirstFile(search_path.c_str(), &fd); - if (f != INVALID_HANDLE_VALUE) - { - DIR * d = new DIR; - memcpy(&d->find_data, &fd, sizeof(WIN32_FIND_DATA)); - d->find_handle = f; - d->first = true; - return d; - } - else - { - return 0; - } -} - -dirent * readdir(DIR * handle) -{ - if (handle->first) - handle->first = false; - else - { - if (!FindNextFile(handle->find_handle, &handle->find_data)) - return 0; - } - - strncpy(handle->dirent_pointer.d_name, handle->find_data.cFileName, MAX_PATH); - return &handle->dirent_pointer; -} - -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; -} - -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[500]; - static char temp[10]; - 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 != 'm') - { - temp[t++] = *p; - ++p; - } - - temp[t] = 0; - p++; - if (!_stricmp(temp, "[0")) - { - // Returning to normal colour. - SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE); - } - else if (sscanf(temp, "[%u;%u", &color1, &color2) == 2) - { - switch(color2) - { - case 32: // Green - SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | FOREGROUND_INTENSITY); - break; - - default: // Unknown - SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY); - break; - } - } - else - { - char message[50]; - sprintf("Unknown color code: %s", temp); - MessageBox(0, message, message, MB_OK); - } - } - - putchar(*p); - ++c; - ++p; - } - - return c; -} - -int arg_counter = 1; -char optarg[514]; -int getopt_long_only(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) - 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) - return 1; - else - opt += 2; - - - // parse argument list - int i = 0; - for (; __longopts[i].name != 0; ++i) - { - if (!strnicmp(__longopts[i].name, opt, strlen(__longopts[i].name))) - { - // woot, found a valid argument =) - char * par = 0; - if ((arg_counter + 1) != ___argc) - { - // grab the parameter from the next argument (if its not another argument) - if (strnicmp(___argv[arg_counter+1], "--", 2) != 0) - { - arg_counter++; // Trash this next argument, we won't be needing it. - par = ___argv[arg_counter]; - } - } - - // increment the argument for next time - arg_counter++; - - // determine action based on type - if (__longopts[i].has_arg == required_argument && !par) - { - // parameter missing and its a required parameter option - return 1; - } - - // store argument in optarg - if (par) - strncpy(optarg, par, 514); - - if (__longopts[i].flag != 0) - { - // this is a variable, we have to set it if this argument is found. - *__longopts[i].flag = 1; - return 0; - } - else - { - if (__longopts[i].val == -1 || par == 0) - return 1; - - return __longopts[i].val; - } - break; - } - } - - // return 1 (invalid argument) - 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) -{ - 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->Log(DEFAULT, "IPC Pipe Error %u: %s", GetLastError(), dlerror()); - return; - } - - switch (action) - { - case IPC_MESSAGE_REHASH: - InspIRCd::Rehash(0); - break; - - case IPC_MESSAGE_DIE: - InspIRCd::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 - * (...and they look far tidier in C++) - */ - -/* Get active nameserver */ -bool GetNameServer(HKEY regkey, const char *key, char* &output) -{ - 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; -} - -/* Check a network interface for its nameserver */ -bool GetInterface(HKEY regkey, const char *key, char* &output) -{ - 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; -} - +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits + * + * This program is free but copyrighted software; see + * the file COPYING for details. + * + * --------------------------------------------------- + */ + +#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 + +#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) +{ + unsigned long ip = inet_addr(cp); + addr->s_addr = ip; + return (addr->s_addr == INADDR_NONE) ? 0 : 1; +} + +const char *insp_inet_ntop(int af, const void *src, char *dst, socklen_t cnt) +{ + + if (af == AF_INET) + { + struct sockaddr_in in; + memset(&in, 0, sizeof(in)); + in.sin_family = AF_INET; + memcpy(&in.sin_addr, src, sizeof(struct in_addr)); + getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST); + return dst; + } + else if (af == AF_INET6) + { + struct sockaddr_in6 in; + memset(&in, 0, sizeof(in)); + in.sin6_family = AF_INET6; + memcpy(&in.sin6_addr, src, sizeof(struct in_addr6)); + getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST); + return dst; + } + return NULL; +} + +int geteuid() +{ + return 1; +} + +int insp_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; +} + +void setcolor(int color_code) +{ + SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color_code); +} + +DIR * opendir(const char * path) +{ + std::string search_path = string(path) + "\\*.*"; + WIN32_FIND_DATA fd; + HANDLE f = FindFirstFile(search_path.c_str(), &fd); + if (f != INVALID_HANDLE_VALUE) + { + DIR * d = new DIR; + memcpy(&d->find_data, &fd, sizeof(WIN32_FIND_DATA)); + d->find_handle = f; + d->first = true; + return d; + } + else + { + return 0; + } +} + +dirent * readdir(DIR * handle) +{ + if (handle->first) + handle->first = false; + else + { + if (!FindNextFile(handle->find_handle, &handle->find_data)) + return 0; + } + + strncpy(handle->dirent_pointer.d_name, handle->find_data.cFileName, MAX_PATH); + return &handle->dirent_pointer; +} + +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 optind = 1; +char optarg[514]; +int getopt_long_only(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 || optind == ___argc) // No arguments (apart from filename) + return -1; + + const char * opt = ___argv[optind]; + optind++; + + // if we're not an option, return an error. + if (strnicmp(opt, "--", 2) != 0) + return 1; + else + opt += 2; + + + // parse argument list + int i = 0; + for (; __longopts[i].name != 0; ++i) + { + if (!strnicmp(__longopts[i].name, opt, strlen(__longopts[i].name))) + { + // woot, found a valid argument =) + char * par = 0; + if ((optind) != ___argc) + { + // grab the parameter from the next argument (if its not another argument) + if (strnicmp(___argv[optind], "--", 2) != 0) + { +// optind++; // Trash this next argument, we won't be needing it. + par = ___argv[optind-1]; + } + } + + // increment the argument for next time +// optind++; + + // determine action based on type + if (__longopts[i].has_arg == required_argument && !par) + { + // parameter missing and its a required parameter option + return 1; + } + + // store argument in optarg + if (par) + strncpy(optarg, par, 514); + + if (__longopts[i].flag != 0) + { + // this is a variable, we have to set it if this argument is found. + *__longopts[i].flag = 1; + return 0; + } + else + { + if (__longopts[i].val == -1 || par == 0) + return 1; + + return __longopts[i].val; + } + break; + } + } + + // return 1 (invalid argument) + return 1; +} + +/* 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) +{ + 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; +} + +/* Check a network interface for its nameserver */ +bool GetInterface(HKEY regkey, const char *key, char* &output) +{ + 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() +{ + Instance->Logs->Log("win32",DEBUG,"Changing to windows specific pointer and functor set"); +} + +DWORD WindowsForkStart() +{ + /* 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() +{ + 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 ValidateDnsServer(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; + int cpu = -1; + + /* Use WQL, similar to SQL, to construct a query that lists the cpu usage and pid of all processes */ + IEnumWbemClassObject* pEnumerator = NULL; + + BSTR Language = SysAllocString(L"WQL"); + BSTR Query = SysAllocString(L"Select PercentProcessorTime,IDProcess from Win32_PerfFormattedData_PerfProc_Process"); + + hres = pSvc->ExecQuery(Language, Query, WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); + + /* Query didn't work */ + if (!FAILED(hres)) + { + 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); + cpu = 0; + std::wstringstream out(vtProp.bstrVal); + out >> cpu; + break; + } + } + } + } + + pEnumerator->Release(); + pclsObj->Release(); + } + + SysFreeString(Language); + SysFreeString(Query); + + return cpu; +}