/******************************************************************************\ * This is a part of the Microsoft Source Code Samples. * Copyright 1993 - 1997 Microsoft Corporation. * All rights reserved. * This source code is only intended as a supplement to * Microsoft Development Tools and/or WinHelp documentation. * See these sources for detailed information regarding the * Microsoft samples programs. \******************************************************************************/ /*++ Copyright 1993 - 1997 Microsoft Corporation Module Name: Remote.c Abstract: This module contains the main() entry point for Remote. Calls the Server or the Client depending on the first parameter. Author: Rajivendra Nath 2-Jan-1993 Environment: Console App. User mode. Revision History: --*/ #include #include #include #include "Remote.h" char HostName[HOSTNAMELEN]; char* ChildCmd; char* PipeName; char* ServerName; char * DaclNames[ MAX_DACL_NAMES ]; DWORD DaclNameCount = 0; char * DaclDenyNames[ MAX_DACL_NAMES ]; DWORD DaclDenyNameCount = 0 ; HANDLE MyStdOut; HANDLE hAttachedProcess = INVALID_HANDLE_VALUE; HANDLE hAttachedWriteChildStdIn = INVALID_HANDLE_VALUE; HANDLE hAttachedReadChildStdOut = INVALID_HANDLE_VALUE; BOOL IsAdvertise; DWORD ClientToServerFlag; BOOL bForceTwoPipes; typedef struct _tagKeywordAndColor { char *szKeyword; WORD color; struct _tagKeywordAndColor *next; } KeywordAndColor; KeywordAndColor *pKeyColors; char* ColorList[]={"black" ,"blue" ,"green" ,"cyan" ,"red" ,"purple" ,"yellow" ,"white", "lblack","lblue","lgreen","lcyan","lred","lpurple","lyellow","lwhite"}; typedef enum { LINE_TOO_LONG } WARNING_MESSAGE; VOID DisplayWarning( WARNING_MESSAGE warn ); WORD GetColorNum( char* color ); VOID SetColor( WORD attr ); BOOL GetColorFromBuffer( char **ppBuffer, char *pBufferInvalid, WORD *color, BOOL bStayOnLine ); VOID AssocKeysAndColors( KeywordAndColor **ppKeyAndColors, char *szFileName ); BOOL GetNextConnectInfo( char** SrvName, char** PipeName ); CONSOLE_SCREEN_BUFFER_INFO csbiOriginal; int __cdecl main( int argc, char** argv ) { WORD RunType; // Server or Client end of Remote DWORD len=HOSTNAMELEN; int i, FirstArg; char sTitle[120]; // New Title char orgTitle[200]; // Old Title BOOL bPromptForArgs=FALSE; // Is /P option WORD wAttrib; // Console Attributes int privacy; // Allows exposing or hidng sessions to remote /q BOOL Deny ; GetComputerName((LPTSTR)HostName,&len); MyStdOut = GetStdHandle(STD_OUTPUT_HANDLE); if (GetConsoleScreenBufferInfo(MyStdOut,&csbiOriginal)) { wAttrib = csbiOriginal.wAttributes; if (!GetConsoleTitle(orgTitle,sizeof(orgTitle))) { orgTitle[0] = 0; } } else { // // either stdout is a pipe, or it wasn't opened for // GENERIC_READ along with GENERIC_WRITE, in which // case our color manipulations will work so we need // to pick default colors. // wAttrib = FOREGROUND_GREEN | FOREGROUND_INTENSITY; orgTitle[0] = 0; } privacy = PRIVACY_DEFAULT; pKeyColors = NULL; // // Parameter Processing // // For Server: // Remote /S [Optional Params] // // For Client: // Remote /C [Optional Params] // or // Remote /P // This will loop continously prompting for different // Servers and Pipename if ((argc<2)||((argv[1][0]!='/')&&(argv[1][0]!='-'))) { DisplayServerHlp(); DisplayClientHlp(); return(1); } switch(argv[1][1]) { case 'c': case 'C': // // Is Client End of Remote // if ((argc<4)||((argv[1][0]!='/')&&(argv[1][0]!='-'))) { DisplayServerHlp(); DisplayClientHlp(); return(1); } ServerName=argv[2]; PipeName=argv[3]; FirstArg=4; RunType=RUNTYPE_CLIENT; break; case 'q': case 'Q': // // Query for possible conexions // if ((argc != 3)||((argv[1][0]!='/')&&(argv[1][0]!='-'))) { DisplayServerHlp(); DisplayClientHlp(); return(1); } QueryRemotePipes(argv[2]); // Send ServerName as a param return(0); case 'p': case 'P': // // Is Client End of Remote // bPromptForArgs=TRUE; RunType=RUNTYPE_CLIENT; FirstArg=2; break; case 's': case 'S': // // Is Server End of Remote // if ((argc<4)||((argv[1][0]!='/')&&(argv[1][0]!='-'))) { DisplayServerHlp(); DisplayClientHlp(); return(1); } ChildCmd=argv[2]; PipeName=argv[3]; FirstArg=4; RunType=REMOTE_SERVER; break; case 'a': case 'A': // // Is Server End of Remote Attaching to existing process. // if ((argc<7)||((argv[1][0]!='/')&&(argv[1][0]!='-'))) { DisplayServerHlp(); DisplayClientHlp(); return(1); } hAttachedProcess = (HANDLE)IntToPtr(atoi(argv[2])); hAttachedWriteChildStdIn = (HANDLE)IntToPtr(atoi(argv[3])); hAttachedReadChildStdOut = (HANDLE)IntToPtr(atoi(argv[4])); ChildCmd=argv[5]; // for display only PipeName=argv[6]; FirstArg=7; RunType = REMOTE_SERVER; privacy = PRIVACY_VISIBLE; // presumably ntsd/*kd break; default: DisplayServerHlp(); DisplayClientHlp(); return(1); } if (RunType==REMOTE_SERVER) { // // Base Name of Executable // For setting the title // char *tcmd=ChildCmd; while ((*tcmd!=' ') && (*tcmd!=0)) tcmd++; while ((tcmd > ChildCmd) && (*tcmd!='\\')) tcmd--; if (*tcmd=='\\') tcmd++; sprintf(sTitle,"%-41.40s [Remote /C %s \"%.30s\"]",tcmd,HostName,PipeName); } // //Process Common (Optional) Parameters // for (i=FirstArg;i=argc) { printf("Incomplete Param %s..Ignoring\n",argv[i-1]); break; } LinesToSend=(DWORD)atoi(argv[i])+1; break; case 't': // Title to be set instead of the default case 'T': i++; if (i>=argc) { printf("Incomplete Param %s..Ignoring\n",argv[i-1]); break; } sprintf(sTitle,"%s",argv[i]); break; case 'b': // Background color case 'B': i++; if (i>=argc) { printf("Incomplete Param %s..Ignoring\n",argv[i-1]); break; } { WORD col=GetColorNum(argv[i]); if (col!=0xffff) { wAttrib=col<<4|(wAttrib&0x000f); } break; } case 'f': // Foreground color case 'F': i++; if (i>=argc) { printf("Incomplete Param %s..Ignoring\n",argv[i-1]); break; } { WORD col=GetColorNum(argv[i]); if (col!=0xffff) { wAttrib=col|(wAttrib&0x00f0); } break; } case 'k': // Color "keyword" lines case 'K': i++; // Currently only support client-side coloring if (RunType==REMOTE_SERVER) { printf("%s invalid on server side..Ignoring\n",argv[i-1]); break; } else if (i>=argc) { printf("Incomplete Param %s..Ignoring\n",argv[i-1]); break; } else { AssocKeysAndColors( &pKeyColors, argv[i] ); break; } case 'v': case 'V': privacy = PRIVACY_VISIBLE; break; case '-': if( (argv[i][2] == 'v') || (argv[i][2] == 'V')) privacy = PRIVACY_NOT_VISIBLE; else printf("Unknown Parameter=%s %s\n",argv[i-1],argv[i]); break; case 'q': case 'Q': ClientToServerFlag|=0x80000000; break; case 'u': case 'U': if ( (argv[i][2] == 'd') || (argv[i][2] == 'D' ) ) { Deny = TRUE ; } else { Deny = FALSE ; } i++ ; if ( i >= argc ) { printf( "Incomplete Param %s..Ignoring\n", argv[i-1] ); break; } if ( Deny ) { if (DaclDenyNameCount == MAX_DACL_NAMES ) { printf("Too many names specified (max %d). Ignoring user %s\n", MAX_DACL_NAMES, argv[i] ); break; } DaclDenyNames[ DaclDenyNameCount++ ] = argv[i]; } else { if (DaclNameCount == MAX_DACL_NAMES ) { printf("Too many names specified (max %d). Ignoring user %s\n", MAX_DACL_NAMES, argv[i] ); break; } DaclNames[ DaclNameCount++ ] = argv[i]; } break; case '2': bForceTwoPipes = TRUE; break; default: printf("Unknown Parameter=%s %s\n",argv[i-1],argv[i]); break; } } // //Now Set various Parameters // // //Colors // SetColor(wAttrib); if (RunType==RUNTYPE_CLIENT) { BOOL done=FALSE; BOOL gotinfo; // // Set Client end defaults and start client // while(!done) { if (!bPromptForArgs || (gotinfo = GetNextConnectInfo(&ServerName,&PipeName)) ) { sprintf(sTitle,"Remote /C %s \"%s\"",ServerName,PipeName); SetConsoleTitle(sTitle); // // Start Client (Client.C) // Client(ServerName,PipeName); } done = !bPromptForArgs || !gotinfo; } } if (RunType==REMOTE_SERVER) { if (privacy == PRIVACY_VISIBLE || (privacy == PRIVACY_DEFAULT && IsKdString(ChildCmd))) { strcat(sTitle, " visible"); IsAdvertise = TRUE; } SetConsoleTitle(sTitle); i = OverlappedServer(ChildCmd, PipeName); } // //Reset Colors // SetColor(csbiOriginal.wAttributes); SetConsoleTitle(orgTitle); return i; } /*************************************************************/ VOID ErrorExit( char* str ) { extern PSZ pszPipeName; DWORD dwErr; dwErr = GetLastError(); printf("REMOTE error %d: %s\n", dwErr, str); #if DBG { char szMsg[1024]; sprintf(szMsg, "REMOTE error %d: %s\n", dwErr, str); OutputDebugString(szMsg); if (pszPipeName) { // ad-hoc: if server if (IsDebuggerPresent()) { DebugBreak(); } } } #endif exit(1); } /*************************************************************/ VOID DisplayClientHlp() { printf("\n" " To Start the CLIENT end of REMOTE\n" " ---------------------------------\n" " Syntax : REMOTE /C \"\" [Param]\n" " Example1: REMOTE /C %s imbroglio\n" " This would connect to a server session on %s with Id\n" " \"imbroglio\" if there is a REMOTE /S <\"Cmd\"> imbroglio\n" " running on %s.\n\n" " Example2: REMOTE /C %s \"name with spaces\"\n" " This would connect to a server session on %s with Id\n" " \"name with spaces\" if there is a REMOTE /S <\"Cmd\"> \"name with spaces\"\n" " running on %s.\n\n" " To Exit: %cQ (Leaves the Remote Server Running)\n" " [Param]: /L <# of Lines to Get>\n" " [Param]: /F \n" " [Param]: /K \n" " [Param]: /B \n" "\n" " Keywords And Colors File Format\n" " -------------------------------\n" " \n" " [, ]\n" " ...\n" " EX:\n" " ERROR\n" " black, lred\n" " WARNING\n" " lblue\n" " COLOR THIS LINE\n" " lgreen\n" "\n" " To Query the visible sessions on a server\n" " -----------------------------------------\n" " Syntax: REMOTE /Q %s\n" " This would retrieve the available s\n" " visible connections on the computer named %s.\n" "\n", HostName, HostName, HostName, HostName, HostName, HostName, COMMANDCHAR, HostName, HostName); } /*************************************************************/ VOID DisplayServerHlp() { printf("\n" " To Start the SERVER end of REMOTE\n" " ---------------------------------\n" " Syntax : REMOTE /S <\"Cmd\"> [Param]\n" " Example1: REMOTE /S \"i386kd -v\" imbroglio\n" " To interact with this \"Cmd\" from some other machine,\n" " start the client end using: REMOTE /C %s imbroglio\n\n" " Example2: REMOTE /S \"i386kd -v\" \"name with spaces\"\n" " start the client end using: REMOTE /C %s \"name with spaces\"\n\n" " To Exit: %cK \n" " [Param]: /F \n" " [Param]: /B \n" " [Param]: /U username or groupname\n" " specifies which users or groups may connect\n" " may be specified more than once, e.g\n" " /U user1 /U group2 /U user2\n" " [Param]: /UD username or groupname\n" " specifically denies access to that user or group\n" " [Param]: /V Makes this session visible to remote /Q\n" " [Param]: /-V Hides this session from remote /q (invisible)\n" " By default, if \"Cmd\" looks like a debugger,\n" " the session is visible, otherwise not\n" "\n", HostName, HostName, COMMANDCHAR); } VOID DisplayWarning( WARNING_MESSAGE warn ) { switch ( warn ) { case LINE_TOO_LONG: printf( "\n[REMOTE: WARNING: LINE TOO LONG TO PARSE FOR COLOR KEYWORDS]\n" ); break; default: printf( "\n[REMOTE: WARNING: UNSPECIFIED PROBLEM COLORING LINE]\n" ); } } WORD GetColorNum( char *color ) { WORD i; _strlwr(color); for (i=0;i<16;i++) { if (strcmp(ColorList[i],color)==0) { return(i); } } return ((WORD)atoi(color)); } VOID SetColor( WORD attr ) { COORD origin={0,0}; DWORD dwrite; FillConsoleOutputAttribute ( MyStdOut,attr,csbiOriginal.dwSize. X*csbiOriginal.dwSize.Y,origin,&dwrite ); SetConsoleTextAttribute(MyStdOut,attr); } BOOL pColorLine( char *sLine, int cbLine, WORD wDefaultColor, WORD *color ) { KeywordAndColor *pCurKeyColor = NULL; char *pString1; int cbCmpString; pCurKeyColor = pKeyColors; while ( pCurKeyColor ) { cbCmpString = strlen( pCurKeyColor->szKeyword ); pString1 = sLine; // Need to do case-insensitive compare while ( pString1 <= sLine + cbLine - cbCmpString ) { if ( !_memicmp( (PVOID)pString1, (PVOID)pCurKeyColor->szKeyword, cbCmpString ) ) { *color = pCurKeyColor->color; // Check if we are to use default background color if ( (0xfff0 & *color) == 0xfff0 ) *color = (wDefaultColor & 0x00f0) | (*color & 0x000f); return TRUE; } pString1++; } // Next keyword/color combination pCurKeyColor = pCurKeyColor->next; } return FALSE; } BOOL pWantColorLines( VOID ) { return ( NULL != pKeyColors ); } VOID AssocKeysAndColors( KeywordAndColor **ppKeyColors, char *szFileName ) { char szPathName[_MAX_PATH], *szSimpleName; char *buffer, *pBegin, *pEnd; USHORT usForeColor, usBackColor; KeywordAndColor *pCurKeyColor, *pNextKeyColor; HANDLE hFile; WIN32_FIND_DATA wfdInfo; DWORD dwBytesRead; // Locate the specified file somewhere in the path if ( !SearchPath( NULL, szFileName, NULL, _MAX_PATH, szPathName, &szSimpleName ) ) { fprintf( stderr, "Error locating keyword/color file \"%s\"!\n", szFileName ); return; } // Get the size of the file so we can read all of it in hFile = FindFirstFile( szPathName, &wfdInfo ); if ( INVALID_HANDLE_VALUE == hFile ) { fprintf( stderr, "Error locating keyword/color file \"%s\"!\n", szPathName ); return; } FindClose( hFile ); hFile = INVALID_HANDLE_VALUE; if ( wfdInfo.nFileSizeLow < 5 || wfdInfo.nFileSizeHigh ) { fprintf( stderr, "Invalid keyword/color file: %s!\n", szPathName ); return; } // Allocate memory to store file contents buffer = malloc( wfdInfo.nFileSizeLow ); if ( NULL == buffer ) { fprintf( stderr, "Error! Unable to allocate memory to read in keyword/color file!\n" ); return; } // Attempt to open the given file-name hFile = CreateFile( szPathName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL ); if ( INVALID_HANDLE_VALUE == hFile ) { fprintf( stderr, "Error opening keyword/color file %s!\n", szPathName ); return; } // Attempt to read in the contents of the file ReadFile( hFile, buffer, wfdInfo.nFileSizeLow, &dwBytesRead, NULL ); CloseHandle( hFile ); if ( dwBytesRead != wfdInfo.nFileSizeLow ) { fprintf( stderr, "Error reading keyword/color file: %s!\n", szPathName ); free( buffer ); return; } // Parse contents of file, storing keyword(s) and color combinations pBegin = buffer; pCurKeyColor = NULL; while ( pBegin < buffer + dwBytesRead ) { // Skip any newline/CR at beginning while ( pBegin < buffer + dwBytesRead && ( *pBegin == '\r' || *pBegin == '\n' ) ) pBegin++; if ( pBegin >= buffer + dwBytesRead ) continue; pEnd = pBegin; while ( pEnd < buffer + dwBytesRead && *pEnd != '\r' ) pEnd++; // point at last character pEnd--; // Add new KeywordAndColor member to list if ( NULL == pCurKeyColor ) { *ppKeyColors = pCurKeyColor = malloc( sizeof( KeywordAndColor ) ); } else { pCurKeyColor->next = malloc( sizeof( KeywordAndColor ) ); pCurKeyColor = pCurKeyColor->next; } // Verify we allocated memory for another list member if ( NULL == pCurKeyColor ) { fprintf( stderr, "Error allocating memory for keyword/color storage!\n" ); // Cleanup any we did create while ( *ppKeyColors ) { pCurKeyColor = ((KeywordAndColor *)*ppKeyColors)->next; if ( ((KeywordAndColor *)*ppKeyColors)->szKeyword ) free( ((KeywordAndColor *)*ppKeyColors)->szKeyword ); free( (KeywordAndColor *)*ppKeyColors ); (KeywordAndColor *)*ppKeyColors = pCurKeyColor; } return; } // This is now the last member of the list pCurKeyColor->next = NULL; // Already have keyword(s) -- allocate room for it pCurKeyColor->szKeyword = malloc( pEnd - pBegin + 2 ); if ( NULL == pCurKeyColor->szKeyword ) { fprintf( stderr, "Error allocating memory for keyword/color storage!\n" ); // Cleanup any we did create while ( *ppKeyColors ) { pCurKeyColor = ((KeywordAndColor *)*ppKeyColors)->next; if ( ((KeywordAndColor *)*ppKeyColors)->szKeyword ) free( ((KeywordAndColor *)*ppKeyColors)->szKeyword ); free( (KeywordAndColor *)*ppKeyColors ); *ppKeyColors = pCurKeyColor; } return; } // Store keyword(s) memcpy( (PVOID)pCurKeyColor->szKeyword, (PVOID)pBegin, pEnd-pBegin+1 ); pCurKeyColor->szKeyword[pEnd-pBegin+1] = '\0'; pBegin = pEnd + 1; // Get color information if ( GetColorFromBuffer( &pBegin, (char *)(buffer + dwBytesRead), &usForeColor, FALSE ) ) { // Check if there is a comma following while ( pBegin < buffer + dwBytesRead && *pBegin != ',' && *pBegin != '\r' ) pBegin++; if ( *pBegin == ',' ) { pBegin++; if ( GetColorFromBuffer( &pBegin, (char *)(buffer + dwBytesRead), &usBackColor, TRUE ) ) goto noError; } else { // Default to current background color usBackColor = 0xffff; goto noError; } } // ERROR fprintf( stderr, "Invalid color information for: %s\n", pCurKeyColor->szKeyword ); // We will leave any previous entries but delete this one pNextKeyColor = *ppKeyColors; if ( pNextKeyColor == pCurKeyColor ) { free( pCurKeyColor ); *ppKeyColors = NULL; } else { while ( pCurKeyColor != pNextKeyColor->next ) pNextKeyColor = pNextKeyColor->next; free ( pCurKeyColor ); pNextKeyColor->next = NULL; } return; noError: // Store color information if ( usBackColor == 0xffff ) pCurKeyColor->color = 0xfff0 | (usForeColor & 0x0f); else pCurKeyColor->color = ((usBackColor << 4) & 0x00f0) | (usForeColor & 0x0f ); } } BOOL GetColorFromBuffer( char **ppBuffer, char *pBufferInvalid, WORD *color, BOOL bStayOnLine ) { char *pBegin, *pEnd, temp; pBegin = *ppBuffer; if ( bStayOnLine ) { // Skip to the next character (on this line) while ( pBegin < pBufferInvalid && !isalnum( (int)*pBegin ) && *pBegin != '\r' ) pBegin++; } else { // Skip to next character (in buffer) while ( pBegin < pBufferInvalid && !isalnum( (int)*pBegin ) ) pBegin++; } if ( pBegin >= pBufferInvalid || *pBegin == '\r' ) return FALSE; // Read in color pEnd = pBegin + 1; while ( isalnum( (int)*pEnd ) && *pEnd != ',' ) pEnd++; temp = *pEnd; *pEnd = '\0'; *color = GetColorNum( pBegin ); *pEnd = temp; // Use same valid color check as used for foreground/background if ( *color == 0xffff ) return FALSE; // Move the pointer we were given to next unread portion *ppBuffer = pEnd; return TRUE; } BOOL GetNextConnectInfo( char** SrvName, char** PipeName ) { char *s; static char szServerName[64]; static char szPipeName[32]; try { ZeroMemory(szServerName,64); ZeroMemory(szPipeName,32); SetConsoleTitle("Remote - Prompting for next Connection"); printf("Debugger machine (server): "); fflush(stdout); if (((*SrvName=gets(szServerName))==NULL)|| (strlen(szServerName)==0)) { return(FALSE); } if (szServerName[0] == COMMANDCHAR && (szServerName[1] == 'q' || szServerName[1] == 'Q') ) { return(FALSE); } if (s = strchr( szServerName, ' ' )) { *s++ = '\0'; while (*s == ' ') { s += 1; } *PipeName=strcpy(szPipeName, s); printf(szPipeName); fflush(stdout); } if (strlen(szPipeName) == 0) { printf("Target machine (pipe) : "); fflush(stdout); if ((*PipeName=gets(szPipeName))==NULL) { return(FALSE); } } if (s = strchr(szPipeName, ' ')) { *s++ = '\0'; } if (szPipeName[0] == COMMANDCHAR && (szPipeName[1] == 'q' || szPipeName[1] == 'Q') ) { return(FALSE); } printf("\n\n"); } except(EXCEPTION_EXECUTE_HANDLER) { return(FALSE); // Ignore exceptions } return(TRUE); } /*************************************************************/ VOID Errormsg( char* str ) { printf("Error (%d) - %s\n",GetLastError(),str); } /*************************************************************/ BOOL IsKdString( char* string ) { char* start; // // some heuristic for uninvented yet platforms // if the first word has "kd" in it ok // if( ((start = strstr(string, "kd")) != NULL) || ((start = strstr(string, "dbg")) != NULL) || ((start = strstr(string, "remoteds")) != NULL) || ((start = strstr(string, "ntsd")) != NULL) || ((start = strstr(string, "cdb")) != NULL) ) { // is it in the first word? while(--start > string) { if((*start == ' ') || (*start == '\t')) { while(--start > string) if((*start != '\t') || (*start != ' ')) return(FALSE); } } return TRUE; } return(FALSE); } // // WriteFileSynch is a synchronous WriteFile for overlapped // file handles. As a special case, two-pipe client operation // sets fAsyncPipe FALSE and this routine then passes NULL // for lpOverlapped. // BOOL FASTCALL WriteFileSynch( HANDLE hFile, LPVOID lpBuffer, DWORD cbWrite, LPDWORD lpNumberOfBytesWritten, DWORD dwFileOffset, LPOVERLAPPED lpO ) { BOOL Success; lpO->OffsetHigh = 0; lpO->Offset = dwFileOffset; Success = WriteFile( hFile, lpBuffer, cbWrite, lpNumberOfBytesWritten, fAsyncPipe ? lpO : NULL ); if ( ! Success ) { if (ERROR_IO_PENDING == GetLastError()) { Success = GetOverlappedResult( hFile, lpO, lpNumberOfBytesWritten, TRUE ); } } return Success; } BOOL FASTCALL ReadFileSynch( HANDLE hFile, LPVOID lpBuffer, DWORD cbRead, LPDWORD lpNumberOfBytesRead, DWORD dwFileOffset, LPOVERLAPPED lpO ) { BOOL Success; lpO->OffsetHigh = 0; lpO->Offset = dwFileOffset; Success = ReadFile( hFile, lpBuffer, cbRead, lpNumberOfBytesRead, fAsyncPipe ? lpO : NULL ); if ( ! Success ) { if (ERROR_IO_PENDING == GetLastError()) { Success = GetOverlappedResult( hFile, lpO, lpNumberOfBytesRead, TRUE ); } } return Success; } BOOL FASTCALL WriteConsoleWithColor( HANDLE MyStdOut, char *buffer, DWORD cbBuffer, CWCDATA *persist ) { DWORD cbWrite, cbFill; WORD color; BOOL bAltColor, bNewLine, bCanColor; char *pCurLine, *pEndOfLine, *pPrevLine, *pTemp; CONSOLE_SCREEN_BUFFER_INFO conBufferInfo; if ( persist->bLineContinues ) bNewLine = FALSE; else bNewLine = TRUE; // Split buffer into individual lines pCurLine = buffer; while ( pCurLine < buffer + cbBuffer ) { // Get console information bCanColor = GetConsoleScreenBufferInfo( MyStdOut, &conBufferInfo ); // Find end of current line pEndOfLine = pCurLine; // Print out any beginning newlines/CR's -- this will avoid // coloring large blocks of nothing associated with keywords while ( pEndOfLine < buffer + cbBuffer && ( *pEndOfLine == '\r' || *pEndOfLine == '\n' ) ) { // New line if ( !bNewLine ) { bNewLine = TRUE; // If this was a continuation line -- end it if ( persist->bLineContinues ) { persist->bLineContinues = FALSE; // Check if we just ended a line that couldn't be parsed // because of its size -- if so output warning if ( persist->bLineTooLarge ) DisplayWarning( LINE_TOO_LONG ); // Otherwise check for keyword(s) // and color if appropriate else if ( bCanColor && pColorLine( persist->sLine, persist->cbCurPos + 1, conBufferInfo.wAttributes, &color ) ) { // If we were unable to get the cursor position when // the line started we won't be able to color it now, // but because we aren't printing any warning elsewhere // if we can't get console info, we will just quietly // not output color here if ( 0xFF != persist->cLineBegin.X || 0xFF != persist->cLineBegin.Y ) { // Color in beginning portion of line (actually all of // line up to current point gets colored to reduce // calculations) FillConsoleOutputAttribute( MyStdOut, color, ( (conBufferInfo.dwCursorPosition.Y - persist->cLineBegin.Y + 1) * (conBufferInfo.srWindow.Right - conBufferInfo.srWindow.Left) ), persist->cLineBegin, &cbFill ); } } } } pEndOfLine++; } // Print newline characters if some were found if ( pEndOfLine > pCurLine ) { if ( ! WriteFile(MyStdOut, pCurLine, (DWORD)(pEndOfLine - pCurLine), &cbWrite, NULL) ) { // Bail out return FALSE; } // Move line pointer pCurLine = pEndOfLine; } // Get the line while ( pEndOfLine < buffer + cbBuffer && *pEndOfLine != '\r' && *pEndOfLine != '\n' ) pEndOfLine++; // If we got characters we are in a line // Check it for keywords or add it to // a continuation line and/or print it if ( pEndOfLine > pCurLine ) { bNewLine = FALSE; // Point to last character pEndOfLine--; // Check for current console information if ( !bCanColor ) { // Couldn't get information -- handle might // be redirected. Don't change colors bAltColor = FALSE; } else if ( persist->bLineContinues ) { // See if we have enough room to construct this new line if ( !persist->bLineTooLarge && (DWORD)(pEndOfLine - pCurLine + 1) >= (persist->cbLine - persist->cbCurPos) ) { // Attempt to build a bigger buffer pTemp = realloc( (PVOID)persist->sLine, persist->cbLine + (pEndOfLine - pCurLine + 1) ); if ( NULL == pTemp ) { persist->bLineTooLarge = TRUE; } else { persist->sLine = pTemp; persist->cbLine += (DWORD)(pEndOfLine - pCurLine + 1); } } // Add this piece to the line if ( !persist->bLineTooLarge ) { // Add new piece to line memcpy( (PVOID)(persist->sLine + persist->cbCurPos + 1), (PVOID)pCurLine, (pEndOfLine - pCurLine + 1) ); // Point at new end of line persist->cbCurPos += (DWORD)(pEndOfLine - pCurLine + 1); } // Don't color this line portion bAltColor = FALSE; } // Check if line needs colored unless this is going // to be a continued line (last line in buffer and // does not end with a newline). We do not want // to determine the color of the line until we // have the complete thing else if ( (char *)(pEndOfLine + 1) < (char *)(buffer + cbBuffer) ) { // Parse line for keywords that will cause // this line to show up in a different color bAltColor = pColorLine( pCurLine, (DWORD)(pEndOfLine - pCurLine + 1), conBufferInfo.wAttributes, &color ); } else { bAltColor = FALSE; } if ( bAltColor ) { // Change color for output of this line SetConsoleTextAttribute( MyStdOut, color ); } if ( ! WriteFile(MyStdOut, pCurLine, (DWORD)(pEndOfLine - pCurLine + 1), &cbWrite, NULL)) { if ( bAltColor ) { SetConsoleTextAttribute( MyStdOut, conBufferInfo.wAttributes ); } // Bail out return FALSE; } // Restore default colors if necessary if ( bAltColor ) { SetConsoleTextAttribute( MyStdOut, conBufferInfo.wAttributes ); } // Point to the next line, saving off this line // in case we need to store it in a continuation // line pPrevLine = pCurLine; pCurLine = pEndOfLine + 1; } // End only check line if there is one } // If the buffer did not end with a CR, and we are // not already in a continuation, remember this line if ( !bNewLine && pPrevLine <= pEndOfLine && !persist->bLineContinues ) { persist->bLineContinues = TRUE; persist->bLineTooLarge = FALSE; if ( bCanColor ) persist->cLineBegin = conBufferInfo.dwCursorPosition; else // Signal we were unable to obtain cursor location { persist->cLineBegin.X = 0xFF; persist->cLineBegin.Y = 0xFF; } // See if we have enough room to construct this new line if ( (DWORD)(pEndOfLine - pPrevLine + 1) >= persist->cbLine ) { // Attempt to build a bigger buffer pTemp = realloc( (PVOID)persist->sLine, persist->cbLine + (pEndOfLine - pPrevLine + 1) ); if ( NULL == pTemp ) { persist->bLineTooLarge = TRUE; } else { persist->sLine = pTemp; persist->cbLine = (DWORD)(pEndOfLine - pPrevLine + 1); } } // Store the beginning of the line if ( !persist->bLineTooLarge ) { // Add new piece to line memcpy( (PVOID)persist->sLine, (PVOID)pPrevLine, (pEndOfLine - pPrevLine + 1) ); // Point at new end of line persist->cbCurPos = (DWORD)(pEndOfLine - pPrevLine); } } // Success return TRUE; }