]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - win/inspircd_win32wrapper.cpp
* include/caller.h will now compile correctly on Windows platforms.
[user/henk/code/inspircd.git] / win / inspircd_win32wrapper.cpp
index 0af54a39c14744ff18d2334b69bd549985ef0bfb..e6f25df18f8d33837b4ea7a2401abec89accfb68 100644 (file)
 
 #include "inspircd_win32wrapper.h"
 #include "inspircd.h"
+#include "configreader.h"
 #include <string>
 #include <errno.h>
 #include <assert.h>
+#pragma comment(lib, "winmm.lib")
 using namespace std;
 
 #ifndef INADDR_NONE
 #define INADDR_NONE 0xffffffff
 #endif
 
-HANDLE hIPCPipe;
+#include <mmsystem.h>
+
+/* 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)
 {
@@ -197,6 +203,95 @@ const char * dlerror()
        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;
 char optarg[514];
 int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind)
@@ -274,7 +369,7 @@ int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts,
 #define IPC_MESSAGE_DIE                2
 #define IPC_MESSAGE_RESTART    3
 
-void InitIPC()
+IPC::IPC(InspIRCd* Srv) : Instance(Srv)
 {
        static DWORD buflen = 1024;
        static const char * pipename = "\\\\.\\mailslot\\Inspircd";
@@ -283,7 +378,7 @@ void InitIPC()
                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;
@@ -302,11 +397,11 @@ void CheckIPC(InspIRCd * Instance)
        switch (action)
        {
                case IPC_MESSAGE_REHASH:
-                       InspIRCd::Rehash(0);
+                       Instance->Rehash();
                break;
                
                case IPC_MESSAGE_DIE:
-                       InspIRCd::Exit(0);
+                       Instance->Exit(0);
                break;
 
                case IPC_MESSAGE_RESTART:
@@ -315,7 +410,7 @@ void CheckIPC(InspIRCd * Instance)
        }
 }
 
-void CloseIPC()
+IPC::~IPC()
 {
        CloseHandle(hIPCPipe);
 }
@@ -422,3 +517,140 @@ 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->Log(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()->Log(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(','));
+               data.Set(nameserver.c_str());
+               conf->GetInstance()->Log(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;  
+}