383 lines
8.5 KiB
C
383 lines
8.5 KiB
C
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#include <windows.h>
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#include "download.h"
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#include "setupbat.h"
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//
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// these are the critical files that must be copied locally if the
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// upgrade of a Win9x system is performed over a network
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//
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static PCTSTR g_CriticalFiles[] = {
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TEXT("WINNT32.EXE"),
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TEXT("WINNT32A.DLL"),
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TEXT("WINNTBBA.DLL"),
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TEXT("PIDGEN.DLL"),
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TEXT("WSDU.DLL"),
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TEXT("WSDUENG.DLL"),
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TEXT("HWDB.DLL"),
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TEXT("WIN9XUPG"),
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TEXT("drw")
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};
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//
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// these are the critical files for NEC98 plattform that must be copied
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// locally if the upgrade of a Win9x system is performed over a network
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//
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static PCTSTR g_NEC98_CriticalFiles[] = {
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TEXT("98PTN16.DLL"),
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TEXT("98PTN32.DLL")
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};
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//
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// these are non-critical files that should be copied locally if the
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// upgrade of a Win9x system is performed over a network
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//
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static PCTSTR g_NonCriticalFiles[] = {
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TEXT("IDWLOG.EXE"),
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// #define RUN_SYSPARSE = 1
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#ifdef RUN_SYSPARSE
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TEXT("SYSPARSE.EXE"),
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#endif
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TEXT("WINNT32.HLP"),
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TEXT("DOSNET.INF"),
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};
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BOOL
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pIsSpecialDir (
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IN PCTSTR Dir
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)
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/*++
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Routine Description:
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pIsSpecialDir decides if the given dir is a special directory, like . or ..
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Arguments:
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Dir - Specifies the directory name only (no path)
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Return Value:
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TRUE if the specified dir name is a special name
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--*/
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{
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return
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*Dir == TEXT('.') &&
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(*(Dir + 1) == 0 || *(Dir + 1) == TEXT('.') && *(Dir + 2) == 0)
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;
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}
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BOOL
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CopyNode (
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IN PCTSTR SrcBaseDir,
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IN PCTSTR DestBaseDir,
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IN PCTSTR NodeName,
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IN BOOL FailIfExist
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)
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/*++
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Routine Description:
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CopyNode copies NodeName (file or subdir) from SrcBaseDir to DestBaseDir.
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Arguments:
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SrcBaseDir - Specifies the source base directory name
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DestBaseDir - Specifies the destination base directory name
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NodeName - Specifies the file or subdirectory name to copy
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FailIfExist - Specifies if the operation should fail if there is
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already a node with the same name at destination
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Return Value:
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TRUE if the copy operation was actually done
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--*/
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{
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DWORD FileAttr;
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TCHAR SrcDir[MAX_PATH];
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TCHAR DestDir[MAX_PATH];
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HANDLE h;
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WIN32_FIND_DATA fd;
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WIN32_FIND_DATA fdSrc;
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lstrcpy (SrcDir, SrcBaseDir);
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lstrcpy (DestDir, DestBaseDir);
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//
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// check for "\" at the end of dir name
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//
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ConcatenatePaths (SrcDir, NodeName);
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h = FindFirstFile (SrcDir, &fdSrc);
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if (h == INVALID_HANDLE_VALUE) {
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return FALSE;
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}
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CloseHandle (h);
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if (GetFileAttributes (DestDir) == -1) {
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if (!CreateDirectory (DestDir, NULL)) {
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return FALSE;
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}
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}
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if (fdSrc.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
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//
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// skip to the end of dir name
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//
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ConcatenatePaths (DestDir, NodeName);
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ConcatenatePaths (SrcDir, TEXT("*"));
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h = FindFirstFile (SrcDir, &fd);
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*FindLastWack (SrcDir) = 0;
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//
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// recursively copy all files in that dir
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//
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if (h != INVALID_HANDLE_VALUE) {
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do {
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//
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// skip over special dirs
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//
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if (pIsSpecialDir (fd.cFileName)) {
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continue;
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}
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if (!CopyNode (SrcDir, DestDir, fd.cFileName, FailIfExist)) {
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return FALSE;
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}
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} while (FindNextFile (h, &fd));
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}
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} else {
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//
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// copy the file
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//
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ConcatenatePaths (DestDir, NodeName);
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if (!CopyFile (SrcDir, DestDir, FailIfExist)) {
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return FALSE;
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}
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//
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// set file timestamps to match exactly the ones of the original
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// ignore errors in this case
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//
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SetFileAttributes (DestDir, FILE_ATTRIBUTE_NORMAL);
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h = CreateFile (DestDir, GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
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if (h != INVALID_HANDLE_VALUE) {
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SetFileTime (h, &fdSrc.ftCreationTime, &fdSrc.ftLastAccessTime, &fdSrc.ftLastWriteTime);
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CloseHandle (h);
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}
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}
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return TRUE;
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}
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BOOL
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DeleteNode (
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IN PCTSTR NodeName
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)
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/*++
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Routine Description:
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DeleteNode deletes NodeName directory and all its subdirectories
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Arguments:
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NodeName - Specifies the directory name to delete
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Return Value:
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TRUE if the delete operation was successful; FALSE if only part
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of the files/subdirs were deleted
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--*/
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{
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DWORD FileAttr;
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TCHAR DestDir[MAX_PATH];
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PTSTR p;
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HANDLE h;
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WIN32_FIND_DATA fd;
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BOOL Success = TRUE;
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if (!NodeName || !*NodeName) {
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return FALSE;
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}
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FileAttr = GetFileAttributes (NodeName);
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if (FileAttr == -1)
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return TRUE;
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if (!SetFileAttributes (NodeName, FILE_ATTRIBUTE_NORMAL)) {
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return FALSE;
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}
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if (FileAttr & FILE_ATTRIBUTE_DIRECTORY) {
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lstrcpy (DestDir, NodeName);
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ConcatenatePaths (DestDir, TEXT("*"));
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h = FindFirstFile (DestDir, &fd);
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p = FindLastWack (DestDir);
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//
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// recursively copy all files in that dir
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//
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if (h != INVALID_HANDLE_VALUE) {
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do {
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//
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// skip over special dirs
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//
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if (pIsSpecialDir (fd.cFileName)) {
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continue;
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}
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lstrcpy (p + 1, fd.cFileName);
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if (!DeleteNode (DestDir)) {
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Success = FALSE;
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}
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} while (FindNextFile (h, &fd));
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}
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//
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// now delete the base dir
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//
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*p = 0;
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if (!RemoveDirectory (DestDir)) {
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Success = FALSE;
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}
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} else {
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//
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// delete the file
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//
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if (!DeleteFile (NodeName)) {
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Success = FALSE;
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}
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}
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return Success;
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}
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BOOL
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DownloadProgramFiles (
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IN PCTSTR SourceDir,
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IN PCTSTR DownloadDest,
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IN PCTSTR* ExtraFiles OPTIONAL
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)
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/*++
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Routine Description:
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DownloadProgramFiles copies from SourceDir to DownloadDest
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all specific program files (specified in g_CriticalFiles,
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g_NEC98_CriticalFiles, and g_NonCriticalFiles arrays).
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Arguments:
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SourceDir - Specifies the source directory
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DownloadDest - Specifies the destination directory
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ExtraFiles - Specifies an array of extra files (full paths)
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to be copied to the destination directory;
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the array must be NULL terminated
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Return Value:
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TRUE if the download operation was successful and all critical
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files were copied locally; FALSE otherwise
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--*/
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{
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TCHAR SourcePath[MAX_PATH];
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TCHAR DestPath[MAX_PATH];
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INT i;
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PTSTR FileName;
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TCHAR FullPathName[MAX_PATH];
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//
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// first delete any old stuff to make place
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//
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DeleteNode (DownloadDest);
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//
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// copy there the new stuff
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//
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lstrcpy (SourcePath, SourceDir);
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lstrcpy (DestPath, DownloadDest);
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for (i = 0; i < sizeof (g_CriticalFiles) / sizeof (g_CriticalFiles[0]); i++) {
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//
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// download this one to the destination directory
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//
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if (!CopyNode (SourcePath, DestPath, g_CriticalFiles[i], FALSE)) {
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DeleteNode (DownloadDest);
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return FALSE;
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}
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}
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if (ExtraFiles) {
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while (*ExtraFiles) {
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FileName = FindLastWack ((PTSTR)*ExtraFiles);
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if (FileName) {
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lstrcpy (FullPathName, DownloadDest);
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lstrcat (FullPathName, FileName);
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CopyFile (*ExtraFiles, FullPathName, FALSE);
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}
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ExtraFiles++;
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}
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}
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for (i = 0; i < sizeof (g_CriticalFiles) / sizeof (g_CriticalFiles[0]); i++) {
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//
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// download this one to the destination directory
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//
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if (!CopyNode (SourcePath, DestPath, g_CriticalFiles[i], FALSE)) {
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DeleteNode (DownloadDest);
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return FALSE;
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}
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}
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for (i = 0; i < sizeof (g_NEC98_CriticalFiles) / sizeof (g_NEC98_CriticalFiles[0]); i++) {
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//
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// download this one to the destination directory
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//
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// Never check for error. Because winnt32a.dll check plattform and
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// sources with NEC98 specific file(98ptn16.dll).
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// See winnt32\dll\winnt32.c line 2316.
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//
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CopyNode (SourcePath, DestPath, g_NEC98_CriticalFiles[i], FALSE);
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}
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for (i = 0; i < sizeof (g_NonCriticalFiles) / sizeof (g_NonCriticalFiles[0]); i++) {
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//
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// download this one to the destination directory
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//
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CopyNode (SourcePath, DestPath, g_NonCriticalFiles[i], FALSE);
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}
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return TRUE;
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}
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