|
|
/* cmdpif.c - PIF Handling Routines For SCS
* * * Modification History: * * Sudeepb 19-Aug-1992 Created * williamh 10-Nov-1992 (1). get params from w386 extention if exist * (2). null terminate caption * williamh 27-May-1993 almost rewrote for better pif support */
#include "cmd.h"
#include <ctype.h>
#include <pif.h>
#include <cmdsvc.h>
#include <softpc.h>
#include <mvdm.h>
#include <oemuni.h>
#include "nt_pif.h"
VOID cmdCheckForPIF (PVDMINFO pvi){PCHAR pCmdLine = pvi->CmdLine;PCHAR pDot;ULONG size;UCHAR ch;DWORD dw;CHAR lpszEnvDir [] = "=?:";CHAR FullPathName[MAX_PATH + 1];CHAR * pFilePart;BOOL IsPIFFile, IsFromForceDos;CHAR AppFullPathName[MAX_PATH + 1];
//
// Advance CmdLine pointer to beg of command tail
//
while (*pCmdLine && !isgraph(*pCmdLine)) { // skip to first nonwhite
pCmdLine++; }
pDot = strrchr(pvi->AppName, '.'); if (pDot) IsPIFFile = pDot && !_strnicmp(pDot, ".pif", 4); else IsPIFFile = FALSE;
// if the command is not a pif file and it is not
// running on a new console
if (!IsPIFFile && !DosSessionId) goto CleanUpAndReturn;
if (IsPIFFile) { if (!IsFirstVDM) { //
// Get the pif data. If no pif data, or not from forcedos
// just return -- command.com will receive the pif file
// name and fail.
//
pfdata.AppHasPIFFile = pfdata.IgnoreStartDirInPIF = pfdata.IgnoreTitleInPIF = pfdata.IgnoreCmdLineInPIF = pfdata.IgnoreConfigAutoexec = 1; if (!GetPIFData(&pfdata, pvi->AppName)) goto CleanUpAndReturn; }
// we only run a pif file on two occasions:
// (1). it is from a new console
// (2). it is from forcedos.
if (!DosSessionId && pfdata.SubSysId != SUBSYS_DOS) goto CleanUpAndReturn;
} if (IsFirstVDM) { // if this is the first vdm, take cmdline, startupdir and title
// if they are there
if (pfdata.StartDir){ dw = cmdExpandEnvironmentStrings(NULL, pfdata.StartDir, FullPathName, MAX_PATH + 1 ); if (dw != 0 && dw <= MAX_PATH) { dw = GetFullPathNameOem(FullPathName, MAX_PATH + 1, pfdata.StartDir, &pFilePart ); }
if (dw != 0 && dw <= MAX_PATH) dw = GetFileAttributesOem(pfdata.StartDir); else dw = 0;
if (dw == 0 || dw == 0xFFFFFFFF || !(dw & FILE_ATTRIBUTE_DIRECTORY)) { RcMessageBox(EG_PIF_STARTDIR_ERR, NULL, NULL, RMB_ICON_BANG | RMB_ABORT); goto CleanUpAndReturn; }
dw = GetShortPathNameOem(pfdata.StartDir, pfdata.StartDir, MAX_PATH + 1 ); if (dw == 0 || dw > MAX_PATH || dw > 64) { RcMessageBox(EG_PIF_STARTDIR_ERR, NULL, NULL, RMB_ICON_BANG | RMB_ABORT); goto CleanUpAndReturn; }
lpszEnvDir[1] = pfdata.StartDir[0]; SetEnvironmentVariableOem(lpszEnvDir, pfdata.StartDir); SetCurrentDirectoryOem(pfdata.StartDir); pvi->CurDrive = toupper(pfdata.StartDir[0]) - 'A'; }
if (pfdata.WinTitle) { strcpy(FullPathName, pfdata.WinTitle); dw = cmdExpandEnvironmentStrings(NULL, FullPathName, pfdata.WinTitle, MAX_PATH + 1 ); pfdata.WinTitle[MAX_PATH] = '\0'; }
if (!*pCmdLine && pfdata.CmdLine) {
// if the optinal parameter is '?'
// prompt the user
pDot = pfdata.CmdLine; while (*pDot && *pDot <= ' ') pDot++;
if (*pDot == '?') { pfdata.CmdLine[0] = '\0'; RcMessageBox(EG_PIF_ASK_CMDLINE, NULL, pfdata.CmdLine, RMB_EDIT | RMB_ICON_INFO | (128 << 16) ); }
if (*pfdata.CmdLine) { strcpy(FullPathName, pfdata.CmdLine); dw = cmdExpandEnvironmentStrings(NULL, FullPathName, pfdata.CmdLine, MAX_PATH + 1 ); } } }
if(IsPIFFile) { dw = cmdExpandEnvironmentStrings(NULL, pfdata.StartFile, FullPathName, MAX_PATH + 1 ); if (!dw || dw > MAX_PATH) { RcMessageBox(EG_PIF_STARTFILE_ERR, NULL, NULL, RMB_ICON_BANG | RMB_ABORT); goto CleanUpAndReturn; }
// search from the current directory
// note that the startup directory specified in
// the pif file has been set as our current directory
// when we got here
dw = SearchPathOem(".", FullPathName, NULL, MAX_PATH + 1, AppFullPathName, &pFilePart ); // if couldn't find the file from the current dir
// ask win32api help
if (dw == 0 || dw > MAX_PATH) { dw = SearchPathOem(NULL, FullPathName, NULL, MAX_PATH + 1, AppFullPathName, &pFilePart ); }
// couldn't find the file, give up
if (dw == 0 || dw > MAX_PATH) { RcMessageBox(EG_PIF_STARTFILE_ERR, NULL, NULL, RMB_ICON_BANG | RMB_ABORT); goto CleanUpAndReturn; }
dw = GetFileAttributesOem(AppFullPathName); if (dw == (DWORD)(-1) || (dw & FILE_ATTRIBUTE_DIRECTORY)) { RcMessageBox(EG_PIF_STARTFILE_ERR, NULL, NULL, RMB_ICON_BANG | RMB_ABORT ); goto CleanUpAndReturn; }
// convert to shortfilename
dw = GetShortPathNameOem(AppFullPathName, pvi->AppName, MAX_PATH + 1); if (dw == 0 || dw > MAX_PATH) {
RcMessageBox(EG_PIF_STARTFILE_ERR, NULL, NULL, RMB_ICON_BANG | RMB_ABORT ); goto CleanUpAndReturn; } // update the application path name length(including the terminate NULL)
pvi->AppLen = strlen(pvi->AppName) + 1;
// pvi->AppName contains the application short name.
// verify that it has the correct extension(.EXE, .COM or .BAT).
pDot = (PCHAR)pvi->AppName + pvi->AppLen - 5; if (pvi->AppLen < 5 || (_strnicmp(pDot, EXE_EXTENTION_STRING, EXTENTION_STRING_LEN) && _strnicmp(pDot, COM_EXTENTION_STRING, EXTENTION_STRING_LEN) && _strnicmp(pDot, BAT_EXTENTION_STRING, EXTENTION_STRING_LEN))) {
RcMessageBox(EG_DOS_PROG_EXTENSION,AppFullPathName, NULL, RMB_ICON_BANG | RMB_ABORT); goto CleanUpAndReturn;
} }
//
// Copy in pif command tail if original command tail is empty
//
if (!*pCmdLine && pfdata.CmdLine) { strcpy(FullPathName, pfdata.CmdLine); strcat(FullPathName, "\x0d\x0a"); if (strlen(FullPathName) >= 128 - 13) { // too bad, the command line is too long
RcMessageBox(EG_PIF_CMDLINE_ERR,NULL,NULL,RMB_ICON_BANG | RMB_ABORT); goto CleanUpAndReturn;
} strcpy(pvi->CmdLine, FullPathName); pvi->CmdSize = strlen(FullPathName) + 1; }
if (IsPIFFile) // we don't know the binary type at this point.
*pIsDosBinary = 0;
if (pfdata.WinTitle) SetConsoleTitle(pfdata.WinTitle);
DontCheckDosBinaryType = (pfdata.SubSysId == SUBSYS_DOS);
CleanUpAndReturn: if (pfdata.CmdLine) { free(pfdata.CmdLine); pfdata.CmdLine = NULL; } if (pfdata.StartDir) { free(pfdata.StartDir); pfdata.StartDir = NULL; } if (pfdata.StartFile) { free(pfdata.StartFile); pfdata.StartFile = NULL; } if (pfdata.WinTitle) { free(pfdata.WinTitle); pfdata.WinTitle = NULL; } return;
}
|
