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windows-nt/Source/XPSP1/NT/base/mvdm/wow16/regedit/regporte.c

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2020-09-26 03:20:57 -05:00
#include <windows.h>
#include <shellapi.h>
#include <stdlib.h>
#include <string.h>
#ifndef CHAR
#define CHAR char
#endif // ifndef CHAR
// from winreg.h:
// HKEY_CLASSES_ROOT already defined
#define HKEY_CURRENT_USER (( HKEY ) 0x80000001 )
#define HKEY_LOCAL_MACHINE (( HKEY ) 0x80000002 )
#define HKEY_USERS (( HKEY ) 0x80000003 )
#define HKEY_PERFORMANCE_DATA (( HKEY ) 0x80000004 )
#define HKEY_CURRENT_CONFIG (( HKEY ) 0x80000005 )
#define HKEY_DYN_DATA (( HKEY ) 0x80000006 )
#include "regdef.h" // regdef.h from \\guilo\slm\src\dev\inc)
//from pch.h, remove extern
CHAR g_ValueNameBuffer[MAXVALUENAME_LENGTH];
BYTE g_ValueDataBuffer[MAXDATA_LENGTH];
// interface to regmain values
extern LPSTR lpMerge;
#include "reg1632.h"
#include "regporte.h"
#include "regresid.h"
/*******************************************************************************
*
* (C) COPYRIGHT MICROSOFT CORP., 1993-1994
*
* TITLE: REGPORTE.C
*
* VERSION: 4.01
*
* AUTHOR: Tracy Sharpe
*
* DATE: 06 Apr 1994
*
* File import and export engine routines for the Registry Editor.
*
*******************************************************************************/
//#include "pch.h"
//#include "regresid.h"
//#include "reg1632.h"
// When building for the Registry Editor, put all of the following constants
// in a read-only data section.
#ifdef WIN32
#pragma data_seg(DATASEG_READONLY)
#endif
// Association between the ASCII name and the handle of the registry key.
const REGISTRY_ROOT g_RegistryRoots[] = {
"HKEY_CLASSES_ROOT", HKEY_CLASSES_ROOT,
"HKEY_CURRENT_USER", HKEY_CURRENT_USER,
"HKEY_LOCAL_MACHINE", HKEY_LOCAL_MACHINE,
"HKEY_USERS", HKEY_USERS,
// "HKEY_PERFORMANCE_DATA", HKEY_PERFORMANCE_DATA,
"HKEY_CURRENT_CONFIG", HKEY_CURRENT_CONFIG,
"HKEY_DYN_DATA", HKEY_DYN_DATA
};
const CHAR s_RegistryHeader[] = "REGEDIT";
const CHAR s_OldWin31RegFileRoot[] = ".classes";
const CHAR s_Win40RegFileHeader[] = "REGEDIT4\n\n";
const CHAR s_HexPrefix[] = "hex";
const CHAR s_DwordPrefix[] = "dword:";
const CHAR g_HexConversion[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8',
'9', 'a', 'b', 'c', 'd', 'e', 'f'};
const CHAR s_FileLineBreak[] = ",\\\n ";
#ifdef WIN32
#pragma data_seg()
#endif
#define SIZE_FILE_IO_BUFFER 512
typedef struct _FILE_IO {
CHAR Buffer[SIZE_FILE_IO_BUFFER];
FILE_HANDLE hFile;
int BufferOffset;
int CurrentColumn;
int CharsAvailable;
DWORD FileSizeDiv100;
DWORD FileOffset;
UINT LastPercentage;
#ifdef DEBUG
BOOL fValidateUngetChar;
#endif
} FILE_IO;
FILE_IO s_FileIo;
UINT g_FileErrorStringID;
VOID
NEAR PASCAL
ImportWin31RegFile(
VOID
);
VOID
NEAR PASCAL
ImportWin40RegFile(
VOID
);
VOID
NEAR PASCAL
ParseHeader(
LPHKEY lphKey
);
VOID
NEAR PASCAL
ParseValuename(
HKEY hKey
);
VOID
NEAR PASCAL
ParseDefaultValue(
HKEY hKey
);
BOOL
NEAR PASCAL
ParseString(
LPSTR lpString,
LPDWORD cbStringData
);
BOOL
NEAR PASCAL
ParseHexSequence(
LPBYTE lpHexData,
LPDWORD lpcbHexData
);
BOOL
NEAR PASCAL
ParseHexDword(
LPDWORD lpDword
);
BOOL
NEAR PASCAL
ParseHexByte(
LPBYTE lpByte
);
BOOL
NEAR PASCAL
ParseHexDigit(
LPBYTE lpDigit
);
BOOL
NEAR PASCAL
ParseEndOfLine(
VOID
);
VOID
NEAR PASCAL
SkipWhitespace(
VOID
);
VOID
NEAR PASCAL
SkipPastEndOfLine(
VOID
);
BOOL
NEAR PASCAL
GetChar(
LPCHAR lpChar
);
VOID
NEAR PASCAL
UngetChar(
VOID
);
BOOL
NEAR PASCAL
MatchChar(
CHAR CharToMatch
);
BOOL
NEAR PASCAL
IsWhitespace(
CHAR Char
);
BOOL
NEAR PASCAL
IsNewLine(
CHAR Char
);
VOID
NEAR PASCAL
PutBranch(
HKEY hKey,
LPSTR lpKeyName
);
VOID
NEAR PASCAL
PutLiteral(
LPCSTR lpString
);
VOID
NEAR PASCAL
PutString(
LPCSTR lpString
);
VOID
NEAR PASCAL
PutBinary(
CONST BYTE FAR* lpBuffer,
DWORD Type,
DWORD cbBytes
);
VOID
NEAR PASCAL
PutDword(
DWORD Dword,
BOOL fLeadingZeroes
);
VOID
NEAR PASCAL
PutChar(
CHAR Char
);
VOID
NEAR PASCAL
FlushIoBuffer(
VOID
);
#ifdef DBCS
#ifndef WIN32
LPSTR
NEAR PASCAL
DBCSStrChr(
LPSTR string,
CHAR chr
);
BOOL
NEAR PASCAL
IsDBCSLeadByte(
BYTE chr
);
#endif
#endif
/*******************************************************************************
*
* CreateRegistryKey
*
* DESCRIPTION:
* Parses the pFullKeyName string and creates a handle to the registry key.
*
* PARAMETERS:
* lphKey, location to store handle to registry key.
* lpFullKeyName, string of form "HKEY_LOCAL_MACHINE\Subkey1\Subkey2".
* fCreate, TRUE if key should be created, else FALSE for open only.
* (returns), ERROR_SUCCESS, no errors occurred, phKey is valid,
* ERROR_CANTOPEN, registry access error of some form,
* ERROR_BADKEY, incorrectly formed pFullKeyName.
*
*******************************************************************************/
DWORD
PASCAL
CreateRegistryKey(
LPHKEY lphKey,
LPSTR lpFullKeyName,
BOOL fCreate
)
{
LPSTR lpSubKeyName;
CHAR PrevChar;
HKEY hRootKey;
UINT Counter;
DWORD Result;
if ((lpSubKeyName = (LPSTR) STRCHR(lpFullKeyName, '\\')) != NULL) {
PrevChar = *lpSubKeyName;
*lpSubKeyName++ = '\0';
}
CHARUPPERSTRING(lpFullKeyName);
hRootKey = NULL;
for (Counter = 0; Counter < NUMBER_REGISTRY_ROOTS; Counter++) {
if (STRCMP(g_RegistryRoots[Counter].lpKeyName, lpFullKeyName) == 0) {
hRootKey = g_RegistryRoots[Counter].hKey;
break;
}
}
if (hRootKey) {
Result = ERROR_CANTOPEN;
if (fCreate) {
if (RegCreateKey(hRootKey, lpSubKeyName, lphKey) == ERROR_SUCCESS)
Result = ERROR_SUCCESS;
}
else {
if (RegOpenKey(hRootKey, lpSubKeyName, lphKey) == ERROR_SUCCESS)
Result = ERROR_SUCCESS;
}
}
else
Result = ERROR_BADKEY;
if (lpSubKeyName != NULL) {
lpSubKeyName--;
*lpSubKeyName = PrevChar;
}
return Result;
}
/*******************************************************************************
*
* ImportRegFile
*
* DESCRIPTION:
*
* PARAMETERS:
* lpFileName, address of name of file to be imported.
*
*******************************************************************************/
#ifdef WIN95
VOID
PASCAL
ImportRegFile(
LPSTR lpFileName
)
{
CHAR Char;
LPCCH lpHeader;
BOOL fNewRegistryFile;
#ifdef WIN32
OFSTRUCT OFStruct;
#endif
g_FileErrorStringID = IDS_IMPFILEERRSUCCESS;
if (OPENREADFILE(lpFileName, s_FileIo.hFile)) {
s_FileIo.FileSizeDiv100 = GETFILESIZE(s_FileIo.hFile) / 100;
s_FileIo.FileOffset = 0;
s_FileIo.LastPercentage = 0;
//
// The following will force GetChar to read in the first block of data.
//
s_FileIo.BufferOffset = SIZE_FILE_IO_BUFFER;
SkipWhitespace();
lpHeader = s_RegistryHeader;
while (*lpHeader != '\0') {
if (MatchChar(*lpHeader))
lpHeader++;
else
break;
}
if (*lpHeader == '\0') {
fNewRegistryFile = MatchChar('4');
SkipWhitespace();
if (GetChar(&Char) && IsNewLine(Char)) {
if (fNewRegistryFile)
ImportWin40RegFile();
else
ImportWin31RegFile();
}
}
else
g_FileErrorStringID = IDS_IMPFILEERRFORMATBAD;
CLOSEFILE(s_FileIo.hFile);
}
else
g_FileErrorStringID = IDS_IMPFILEERRFILEOPEN;
}
/*******************************************************************************
*
* ImportWin31RegFile
*
* DESCRIPTION:
* Imports the contents of a Windows 3.1 style registry file into the
* registry.
*
* We scan over the file looking for lines of the following type:
* HKEY_CLASSES_ROOT\keyname = value_data
* HKEY_CLASSES_ROOT\keyname =value_data
* HKEY_CLASSES_ROOT\keyname value_data
* HKEY_CLASSES_ROOT\keyname (null value data)
*
* In all cases, any number of spaces may follow 'keyname'. Although we
* only document the first syntax, the Windows 3.1 Regedit handled all of
* these formats as valid, so this version will as well (fortunately, it
* doesn't make the parsing any more complex!).
*
* Note, we also support replacing HKEY_CLASSES_ROOT with \.classes above
* which must come from some early releases of Windows.
*
* PARAMETERS:
* (none).
*
*******************************************************************************/
VOID
NEAR PASCAL
ImportWin31RegFile(
VOID
)
{
HKEY hKey;
CHAR Char;
BOOL fSuccess;
LPCSTR lpClassesRoot;
CHAR KeyName[MAXKEYNAME];
UINT Index;
//
// Keep an open handle to the classes root. We may prevent some
// unneccessary flushing.
//
if (RegOpenKey(HKEY_CLASSES_ROOT, NULL, &hKey) != ERROR_SUCCESS) {
g_FileErrorStringID = IDS_IMPFILEERRREGOPEN;
return;
}
while (TRUE) {
//
// Check for the end of file condition.
//
if (!GetChar(&Char))
break;
UngetChar(); // Not efficient, but works for now.
//
// Match the beginning of the line against one of the two aliases for
// HKEY_CLASSES_ROOT.
//
if (MatchChar('\\'))
lpClassesRoot = s_OldWin31RegFileRoot;
else
lpClassesRoot = g_RegistryRoots[INDEX_HKEY_CLASSES_ROOT].lpKeyName;
fSuccess = TRUE;
while (*lpClassesRoot != '\0') {
if (!MatchChar(*lpClassesRoot++)) {
fSuccess = FALSE;
break;
}
}
//
// Make sure that we have a backslash seperating one of the aliases
// from the keyname.
//
if (fSuccess)
fSuccess = MatchChar('\\');
if (fSuccess) {
//
// We've found one of the valid aliases, so read in the keyname.
//
// fSuccess = TRUE; // Must be TRUE if we're in this block
Index = 0;
while (GetChar(&Char)) {
if (Char == ' ' || IsNewLine(Char))
break;
//
// Make sure that the keyname buffer doesn't overflow. We must
// leave room for a terminating null.
//
if (Index >= sizeof(KeyName) - 1) {
fSuccess = FALSE;
break;
}
KeyName[Index++] = Char;
}
if (fSuccess) {
KeyName[Index] = '\0';
//
// Now see if we have a value to assign to this keyname.
//
SkipWhitespace();
if (MatchChar('='))
MatchChar(' ');
// fSuccess = TRUE; // Must be TRUE if we're in this block
Index = 0;
while (GetChar(&Char)) {
if (IsNewLine(Char))
break;
//
// Make sure that the value data buffer doesn't overflow.
// Because this is always string data, we must leave room
// for a terminating null.
//
if (Index >= MAXDATA_LENGTH - 1) {
fSuccess = FALSE;
break;
}
g_ValueDataBuffer[Index++] = Char;
}
if (fSuccess) {
g_ValueDataBuffer[Index] = '\0';
if (RegSetValue(hKey, KeyName, REG_SZ, g_ValueDataBuffer,
Index) != ERROR_SUCCESS)
g_FileErrorStringID = IDS_IMPFILEERRREGSET;
}
}
}
//
// Somewhere along the line, we had a parsing error, so resynchronize
// on the next line.
//
if (!fSuccess)
SkipPastEndOfLine();
}
RegFlushKey(hKey);
RegCloseKey(hKey);
}
#endif // ifdef WIN95
/*******************************************************************************
*
* ImportWin40RegFile
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
VOID
NEAR PASCAL
ImportWin40RegFile(
VOID
)
{
HKEY hLocalMachineKey;
HKEY hUsersKey;
HKEY hKey;
CHAR Char;
//
// Keep open handles for the predefined roots to prevent the registry
// library from flushing after every single RegOpenKey/RegCloseKey
// operation.
//
RegOpenKey(HKEY_LOCAL_MACHINE, NULL, &hLocalMachineKey);
RegOpenKey(HKEY_USERS, NULL, &hUsersKey);
#ifdef DEBUG
if (hLocalMachineKey == NULL)
OutputDebugString("Unable to open HKEY_LOCAL_MACHINE\n\r");
if (hUsersKey == NULL)
OutputDebugString("Unable to open HKEY_USERS\n\r");
#endif
hKey = NULL;
while (TRUE) {
SkipWhitespace();
//
// Check for the end of file condition.
//
if (!GetChar(&Char))
break;
switch (Char) {
case '[':
//
// If a registry key is currently open, we must close it first.
// If ParseHeader happens to fail (for example, no closing
// bracket), then hKey will be NULL and any values that we
// parse must be ignored.
//
if (hKey != NULL) {
RegCloseKey(hKey);
hKey = NULL;
}
ParseHeader(&hKey);
break;
case '"':
//
// As noted above, if we don't have an open registry key, then
// just skip the line.
//
if (hKey != NULL)
ParseValuename(hKey);
else
SkipPastEndOfLine();
break;
case '@':
//
//
//
if (hKey != NULL)
ParseDefaultValue(hKey);
else
SkipPastEndOfLine();
break;
case ';':
//
// This line is a comment so just dump the rest of it.
//
SkipPastEndOfLine();
break;
default:
if (IsNewLine(Char))
break;
SkipPastEndOfLine();
break;
}
}
if (hKey != NULL)
RegCloseKey(hKey);
if (hUsersKey != NULL)
RegCloseKey(hUsersKey);
if (hLocalMachineKey != NULL)
RegCloseKey(hLocalMachineKey);
}
/*******************************************************************************
*
* ParseHeader
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
#define SIZE_FULL_KEYNAME (MAXKEYNAME + 40)
VOID
NEAR PASCAL
ParseHeader(
LPHKEY lphKey
)
{
CHAR FullKeyName[SIZE_FULL_KEYNAME];
int CurrentIndex;
int LastRightBracketIndex;
CHAR Char;
CurrentIndex = 0;
LastRightBracketIndex = -1;
while (GetChar(&Char)) {
if (IsNewLine(Char))
break;
if (Char == ']')
LastRightBracketIndex = CurrentIndex;
FullKeyName[CurrentIndex++] = Char;
if (CurrentIndex == SIZE_FULL_KEYNAME) {
do {
if (Char == ']')
LastRightBracketIndex = -1;
if (IsNewLine(Char))
break;
} while (GetChar(&Char));
break;
}
}
if (LastRightBracketIndex != -1) {
FullKeyName[LastRightBracketIndex] = '\0';
switch (CreateRegistryKey(lphKey, FullKeyName, TRUE)) {
case ERROR_CANTOPEN:
g_FileErrorStringID = IDS_IMPFILEERRREGOPEN;
break;
}
}
}
/*******************************************************************************
*
* ParseValuename
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
VOID
NEAR PASCAL
ParseValuename(
HKEY hKey
)
{
DWORD Type;
CHAR ValueName[MAXVALUENAME_LENGTH];
DWORD cbData;
LPCSTR lpPrefix;
cbData = sizeof(ValueName);
if (!ParseString(ValueName, &cbData))
goto ParseError;
SkipWhitespace();
if (!MatchChar('='))
goto ParseError;
SkipWhitespace();
//
// REG_SZ.
//
// "ValueName" = "string of text"
//
if (MatchChar('"')) {
// LATER: Line continuations for strings?
cbData = MAXDATA_LENGTH;
if (!ParseString(g_ValueDataBuffer, &cbData) || !ParseEndOfLine())
goto ParseError;
Type = REG_SZ;
}
//
// REG_DWORD.
//
// "ValueName" = dword: 12345678
//
else if (MatchChar(s_DwordPrefix[0])) {
lpPrefix = &s_DwordPrefix[1];
while (*lpPrefix != '\0')
if (!MatchChar(*lpPrefix++))
goto ParseError;
SkipWhitespace();
if (!ParseHexDword((LPDWORD) g_ValueDataBuffer) || !ParseEndOfLine())
goto ParseError;
Type = REG_DWORD;
cbData = sizeof(DWORD);
}
//
// REG_BINARY and other.
//
// "ValueName" = hex: 00 , 11 , 22
// "ValueName" = hex(12345678): 00, 11, 22
//
else {
lpPrefix = s_HexPrefix;
while (*lpPrefix != '\0')
if (!MatchChar(*lpPrefix++))
goto ParseError;
//
// Check if this is a type of registry data that we don't directly
// support. If so, then it's just a dump of hex data of the specified
// type.
//
if (MatchChar('(')) {
if (!ParseHexDword(&Type) || !MatchChar(')'))
goto ParseError;
}
else
Type = REG_BINARY;
if (!MatchChar(':') || !ParseHexSequence(g_ValueDataBuffer, &cbData) ||
!ParseEndOfLine())
goto ParseError;
}
if (RegSetValueEx(hKey, ValueName, 0, Type, g_ValueDataBuffer, cbData) !=
ERROR_SUCCESS)
g_FileErrorStringID = IDS_IMPFILEERRREGSET;
return;
ParseError:
SkipPastEndOfLine();
}
/*******************************************************************************
*
* ParseDefaultValue
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
VOID
NEAR PASCAL
ParseDefaultValue(
HKEY hKey
)
{
BOOL fSuccess;
DWORD cbData;
fSuccess = FALSE;
SkipWhitespace();
if (MatchChar('=')) {
SkipWhitespace();
if (MatchChar('"')) {
// LATER: Line continuations for strings?
cbData = MAXDATA_LENGTH;
if (ParseString(g_ValueDataBuffer, &cbData) && ParseEndOfLine()) {
if (RegSetValue(hKey, NULL, REG_SZ, g_ValueDataBuffer,
cbData) != ERROR_SUCCESS)
g_FileErrorStringID = IDS_IMPFILEERRREGSET;
fSuccess = TRUE;
}
}
}
if (!fSuccess)
SkipPastEndOfLine();
}
/*******************************************************************************
*
* ParseString
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
BOOL
NEAR PASCAL
ParseString(
LPSTR lpString,
LPDWORD lpcbStringData
)
{
CHAR Char;
DWORD cbMaxStringData;
DWORD cbStringData;
cbMaxStringData = *lpcbStringData;
cbStringData = 1; // Account for the null terminator
while (GetChar(&Char)) {
if (cbStringData >= cbMaxStringData)
return FALSE;
switch (Char) {
case '\\':
if (!GetChar(&Char))
return FALSE;
switch (Char) {
case '\\':
*lpString++ = '\\';
break;
case '"':
*lpString++ = '"';
break;
default:
OutputDebugString("ParseString: Invalid escape sequence");
return FALSE;
}
break;
case '"':
*lpString = '\0';
*lpcbStringData = cbStringData;
return TRUE;
default:
if (IsNewLine(Char))
return FALSE;
*lpString++ = Char;
#ifdef DBCS
if (IsDBCSLeadByte((BYTE)Char))
{
if (!GetChar(&Char))
return FALSE;
*lpString++ = Char;
}
#endif
break;
}
cbStringData++;
}
return FALSE;
}
/*******************************************************************************
*
* ParseHexSequence
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
BOOL
NEAR PASCAL
ParseHexSequence(
LPBYTE lpHexData,
LPDWORD lpcbHexData
)
{
DWORD cbHexData;
cbHexData = 0;
do {
if (cbHexData >= MAXDATA_LENGTH)
return FALSE;
SkipWhitespace();
if (MatchChar('\\') && !ParseEndOfLine())
return FALSE;
SkipWhitespace();
if (!ParseHexByte(lpHexData++))
break;
cbHexData++;
SkipWhitespace();
} while (MatchChar(','));
*lpcbHexData = cbHexData;
return TRUE;
}
/*******************************************************************************
*
* ParseHexDword
*
* DESCRIPTION:
* Parses a one dword hexadecimal string from the registry file stream and
* converts it to a binary number. A maximum of eight hex digits will be
* parsed from the stream.
*
* PARAMETERS:
* lpByte, location to store binary number.
* (returns), TRUE if a hexadecimal dword was parsed, else FALSE.
*
*******************************************************************************/
BOOL
NEAR PASCAL
ParseHexDword(
LPDWORD lpDword
)
{
UINT CountDigits;
DWORD Dword;
BYTE Byte;
Dword = 0;
CountDigits = 0;
while (TRUE) {
if (!ParseHexDigit(&Byte))
break;
Dword = (Dword << 4) + (DWORD) Byte;
if (++CountDigits == 8)
break;
}
*lpDword = Dword;
return CountDigits != 0;
}
/*******************************************************************************
*
* ParseHexByte
*
* DESCRIPTION:
* Parses a one byte hexadecimal string from the registry file stream and
* converts it to a binary number.
*
* PARAMETERS:
* lpByte, location to store binary number.
* (returns), TRUE if a hexadecimal byte was parsed, else FALSE.
*
*******************************************************************************/
BOOL
NEAR PASCAL
ParseHexByte(
LPBYTE lpByte
)
{
BYTE SecondDigit;
if (ParseHexDigit(lpByte)) {
if (ParseHexDigit(&SecondDigit))
*lpByte = (BYTE) ((*lpByte << 4) | SecondDigit);
return TRUE;
}
else
return FALSE;
}
/*******************************************************************************
*
* ParseHexDigit
*
* DESCRIPTION:
* Parses a hexadecimal character from the registry file stream and converts
* it to a binary number.
*
* PARAMETERS:
* lpDigit, location to store binary number.
* (returns), TRUE if a hexadecimal digit was parsed, else FALSE.
*
*******************************************************************************/
BOOL
NEAR PASCAL
ParseHexDigit(
LPBYTE lpDigit
)
{
CHAR Char;
BYTE Digit;
if (GetChar(&Char)) {
if (Char >= '0' && Char <= '9')
Digit = (BYTE) (Char - '0');
else if (Char >= 'a' && Char <= 'f')
Digit = (BYTE) (Char - 'a' + 10);
else if (Char >= 'A' && Char <= 'F')
Digit = (BYTE) (Char - 'A' + 10);
else {
UngetChar();
return FALSE;
}
*lpDigit = Digit;
return TRUE;
}
return FALSE;
}
/*******************************************************************************
*
* ParseEndOfLine
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
BOOL
NEAR PASCAL
ParseEndOfLine(
VOID
)
{
CHAR Char;
BOOL fComment;
BOOL fFoundOneEndOfLine;
fComment = FALSE;
fFoundOneEndOfLine = FALSE;
while (GetChar(&Char)) {
if (IsWhitespace(Char))
continue;
if (IsNewLine(Char)) {
fComment = FALSE;
fFoundOneEndOfLine = TRUE;
}
//
// Like .INIs and .INFs, comments begin with a semicolon character.
//
else if (Char == ';')
fComment = TRUE;
else if (!fComment) {
UngetChar();
break;
}
}
return fFoundOneEndOfLine;
}
/*******************************************************************************
*
* SkipWhitespace
*
* DESCRIPTION:
* Advances the registry file pointer to the first character past any
* detected whitespace.
*
* PARAMETERS:
* (none).
*
*******************************************************************************/
VOID
NEAR PASCAL
SkipWhitespace(
VOID
)
{
CHAR Char;
while (GetChar(&Char)) {
if (!IsWhitespace(Char)) {
UngetChar();
break;
}
}
}
/*******************************************************************************
*
* SkipPastEndOfLine
*
* DESCRIPTION:
* Advances the registry file pointer to the first character past the first
* detected new line character.
*
* PARAMETERS:
* (none).
*
*******************************************************************************/
VOID
NEAR PASCAL
SkipPastEndOfLine(
VOID
)
{
CHAR Char;
while (GetChar(&Char)) {
if (IsNewLine(Char))
break;
}
while (GetChar(&Char)) {
if (!IsNewLine(Char)) {
UngetChar();
break;
}
}
}
/*******************************************************************************
*
* GetChar
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
BOOL
NEAR PASCAL
GetChar(
LPCHAR lpChar
)
{
#ifdef WIN95
FILE_NUMBYTES NumberOfBytesRead;
UINT NewPercentage;
if (s_FileIo.BufferOffset == SIZE_FILE_IO_BUFFER) {
if (!READFILE(s_FileIo.hFile, s_FileIo.Buffer,
sizeof(s_FileIo.Buffer), &NumberOfBytesRead)) {
g_FileErrorStringID = IDS_IMPFILEERRFILEREAD;
return FALSE;
}
s_FileIo.BufferOffset = 0;
s_FileIo.CharsAvailable = ((int) NumberOfBytesRead);
s_FileIo.FileOffset += NumberOfBytesRead;
if (s_FileIo.FileSizeDiv100 != 0) {
NewPercentage = ((UINT) (s_FileIo.FileOffset /
s_FileIo.FileSizeDiv100));
if (NewPercentage > 100)
NewPercentage = 100;
}
else
NewPercentage = 100;
if (s_FileIo.LastPercentage != NewPercentage) {
s_FileIo.LastPercentage = NewPercentage;
ImportRegFileUICallback(NewPercentage);
}
}
if (s_FileIo.BufferOffset >= s_FileIo.CharsAvailable)
return FALSE;
*lpChar = s_FileIo.Buffer[s_FileIo.BufferOffset++];
return TRUE;
#else
if (*lpMerge) {
*lpChar=*lpMerge++;
return TRUE;
} else
return FALSE;
#endif // ifdef WIN95
}
/*******************************************************************************
*
* UngetChar
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
VOID
NEAR PASCAL
UngetChar(
VOID
)
{
#ifdef WIN95
#ifdef DEBUG
if (s_FileIo.fValidateUngetChar)
OutputDebugString("REGEDIT ERROR: Too many UngetChar's called!\n\r");
#endif // ifdef DEBUG
s_FileIo.BufferOffset--;
#else
lpMerge--;
#endif // ifdef WIN95
}
/*******************************************************************************
*
* MatchChar
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
BOOL
NEAR PASCAL
MatchChar(
CHAR CharToMatch
)
{
BOOL fMatch;
CHAR NextChar;
fMatch = FALSE;
if (GetChar(&NextChar)) {
if (CharToMatch == NextChar)
fMatch = TRUE;
else
UngetChar();
}
return fMatch;
}
/*******************************************************************************
*
* IsWhitespace
*
* DESCRIPTION:
* Checks if the given character is whitespace.
*
* PARAMETERS:
* Char, character to check.
* (returns), TRUE if character is whitespace, else FALSE.
*
*******************************************************************************/
BOOL
NEAR PASCAL
IsWhitespace(
CHAR Char
)
{
return Char == ' ' || Char == '\t';
}
/*******************************************************************************
*
* IsNewLine
*
* DESCRIPTION:
* Checks if the given character is a new line character.
*
* PARAMETERS:
* Char, character to check.
* (returns), TRUE if character is a new line, else FALSE.
*
*******************************************************************************/
BOOL
NEAR PASCAL
IsNewLine(
CHAR Char
)
{
return Char == '\n' || Char == '\r';
}
#ifdef WIN95
/*******************************************************************************
*
* ExportWin40RegFile
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
VOID
PASCAL
ExportWin40RegFile(
LPSTR lpFileName,
LPSTR lpSelectedPath
)
{
HKEY hKey;
CHAR SelectedPath[SIZE_SELECTED_PATH];
g_FileErrorStringID = IDS_EXPFILEERRSUCCESS;
if (lpSelectedPath != NULL && CreateRegistryKey(&hKey, lpSelectedPath,
FALSE) != ERROR_SUCCESS) {
g_FileErrorStringID = IDS_EXPFILEERRBADREGPATH;
return;
}
if (OPENWRITEFILE(lpFileName, s_FileIo.hFile)) {
s_FileIo.BufferOffset = 0;
s_FileIo.CurrentColumn = 0;
PutLiteral(s_Win40RegFileHeader);
if (lpSelectedPath != NULL) {
STRCPY(SelectedPath, lpSelectedPath);
PutBranch(hKey, SelectedPath);
}
else {
STRCPY(SelectedPath,
g_RegistryRoots[INDEX_HKEY_LOCAL_MACHINE].lpKeyName);
PutBranch(HKEY_LOCAL_MACHINE, SelectedPath);
STRCPY(SelectedPath,
g_RegistryRoots[INDEX_HKEY_USERS].lpKeyName);
PutBranch(HKEY_USERS, SelectedPath);
}
FlushIoBuffer();
CLOSEFILE(s_FileIo.hFile);
}
else
g_FileErrorStringID = IDS_EXPFILEERRFILEOPEN;
if (lpSelectedPath != NULL)
RegCloseKey(hKey);
}
/*******************************************************************************
*
* PutBranch
*
* DESCRIPTION:
* Writes out all of the value names and their data and recursively calls
* this routine for all of the key's subkeys to the registry file stream.
*
* PARAMETERS:
* hKey, registry key to write to file.
* lpFullKeyName, string that gives the full path, including the root key
* name, of the hKey.
*
*******************************************************************************/
VOID
NEAR PASCAL
PutBranch(
HKEY hKey,
LPSTR lpFullKeyName
)
{
LONG RegError;
DWORD EnumIndex;
DWORD cbValueName;
DWORD cbValueData;
DWORD Type;
LPSTR lpSubKeyName;
int MaximumSubKeyLength;
HKEY hSubKey;
//
// Write out the section header.
//
PutChar('[');
PutLiteral(lpFullKeyName);
PutLiteral("]\n");
//
// Write out all of the value names and their data.
//
EnumIndex = 0;
while (TRUE) {
cbValueName = sizeof(g_ValueNameBuffer);
cbValueData = MAXDATA_LENGTH;
if ((RegError = RegEnumValue(hKey, EnumIndex++, g_ValueNameBuffer,
&cbValueName, NULL, &Type, g_ValueDataBuffer, &cbValueData))
!= ERROR_SUCCESS)
break;
//
// If cbValueName is zero, then this is the default value of
// the key, or the Windows 3.1 compatible key value.
//
if (cbValueName)
PutString(g_ValueNameBuffer);
else
PutChar('@');
PutChar('=');
switch (Type) {
case REG_SZ:
PutString((LPSTR) g_ValueDataBuffer);
break;
case REG_DWORD:
if (cbValueData == sizeof(DWORD)) {
PutLiteral(s_DwordPrefix);
PutDword(*((LPDWORD) g_ValueDataBuffer), TRUE);
break;
}
// FALL THROUGH
case REG_BINARY:
default:
PutBinary((LPBYTE) g_ValueDataBuffer, Type, cbValueData);
break;
}
PutChar('\n');
if (g_FileErrorStringID == IDS_EXPFILEERRFILEWRITE)
return;
}
PutChar('\n');
if (RegError != ERROR_NO_MORE_ITEMS)
g_FileErrorStringID = IDS_EXPFILEERRREGENUM;
//
// Write out all of the subkeys and recurse into them.
//
lpSubKeyName = lpFullKeyName + STRLEN(lpFullKeyName);
*lpSubKeyName++ = '\\';
MaximumSubKeyLength = MAXKEYNAME - STRLEN(lpSubKeyName);
EnumIndex = 0;
while (TRUE) {
if ((RegError = RegEnumKey(hKey, EnumIndex++, lpSubKeyName,
MaximumSubKeyLength)) != ERROR_SUCCESS)
break;
if (RegOpenKey(hKey, lpSubKeyName, &hSubKey) == ERROR_SUCCESS) {
PutBranch(hSubKey, lpFullKeyName);
RegCloseKey(hSubKey);
if (g_FileErrorStringID == IDS_EXPFILEERRFILEWRITE)
return;
}
else
g_FileErrorStringID = IDS_EXPFILEERRREGOPEN;
}
if (RegError != ERROR_NO_MORE_ITEMS)
g_FileErrorStringID = IDS_EXPFILEERRREGENUM;
}
/*******************************************************************************
*
* PutLiteral
*
* DESCRIPTION:
* Writes a literal string to the registry file stream. No special handling
* is done for the string-- it is written out as is.
*
* PARAMETERS:
* lpLiteral, null-terminated literal to write to file.
*
*******************************************************************************/
VOID
NEAR PASCAL
PutLiteral(
LPCSTR lpLiteral
)
{
while (*lpLiteral != '\0')
PutChar(*lpLiteral++);
}
/*******************************************************************************
*
* PutString
*
* DESCRIPTION:
* Writes a string to the registry file stream. A string is surrounded by
* double quotes and some characters may be translated to escape sequences
* to enable a parser to read the string back in.
*
* PARAMETERS:
* lpString, null-terminated string to write to file.
*
*******************************************************************************/
VOID
NEAR PASCAL
PutString(
LPCSTR lpString
)
{
CHAR Char;
PutChar('"');
while ((Char = *lpString++) != '\0') {
switch (Char) {
case '\\':
case '"':
PutChar('\\');
// FALL THROUGH
default:
PutChar(Char);
#ifdef DBCS
if (IsDBCSLeadByte((BYTE)Char))
PutChar(*lpString++);
#endif
break;
}
}
PutChar('"');
}
/*******************************************************************************
*
* PutBinary
*
* DESCRIPTION:
* Writes a sequence of hexadecimal bytes to the registry file stream. The
* output is formatted such that it doesn't exceed a defined line length.
*
* PARAMETERS:
* lpBuffer, bytes to write to file.
* Type, value data type.
* cbBytes, number of bytes to write.
*
*******************************************************************************/
VOID
NEAR PASCAL
PutBinary(
CONST BYTE FAR* lpBuffer,
DWORD Type,
DWORD cbBytes
)
{
BOOL fFirstByteOnLine;
BYTE Byte;
PutLiteral(s_HexPrefix);
if (Type != REG_BINARY) {
PutChar('(');
PutDword(Type, FALSE);
PutChar(')');
}
PutChar(':');
fFirstByteOnLine = TRUE;
while (cbBytes--) {
if (s_FileIo.CurrentColumn > 75) {
PutLiteral(s_FileLineBreak);
fFirstByteOnLine = TRUE;
}
if (!fFirstByteOnLine)
PutChar(',');
Byte = *lpBuffer++;
PutChar(g_HexConversion[Byte >> 4]);
PutChar(g_HexConversion[Byte & 0x0F]);
fFirstByteOnLine = FALSE;
}
}
/*******************************************************************************
*
* PutChar
*
* DESCRIPTION:
* Writes a 32-bit word to the registry file stream.
*
* PARAMETERS:
* Dword, dword to write to file.
*
*******************************************************************************/
VOID
NEAR PASCAL
PutDword(
DWORD Dword,
BOOL fLeadingZeroes
)
{
int CurrentNibble;
CHAR Char;
BOOL fWroteNonleadingChar;
fWroteNonleadingChar = fLeadingZeroes;
for (CurrentNibble = 7; CurrentNibble >= 0; CurrentNibble--) {
Char = g_HexConversion[(Dword >> (CurrentNibble * 4)) & 0x0F];
if (fWroteNonleadingChar || Char != '0') {
PutChar(Char);
fWroteNonleadingChar = TRUE;
}
}
//
// We need to write at least one character, so if we haven't written
// anything yet, just spit out one zero.
//
if (!fWroteNonleadingChar)
PutChar('0');
}
/*******************************************************************************
*
* PutChar
*
* DESCRIPTION:
* Writes one character to the registry file stream using an intermediate
* buffer.
*
* PARAMETERS:
* Char, character to write to file.
*
*******************************************************************************/
VOID
NEAR PASCAL
PutChar(
CHAR Char
)
{
//
// Keep track of what column we're currently at. This is useful in cases
// such as writing a large binary registry record. Instead of writing one
// very long line, the other Put* routines can break up their output.
//
if (Char != '\n')
s_FileIo.CurrentColumn++;
else {
//
// Force a carriage-return, line-feed sequence to keep things like, oh,
// Notepad happy.
//
PutChar('\r');
s_FileIo.CurrentColumn = 0;
}
s_FileIo.Buffer[s_FileIo.BufferOffset++] = Char;
if (s_FileIo.BufferOffset == SIZE_FILE_IO_BUFFER)
FlushIoBuffer();
}
/*******************************************************************************
*
* FlushIoBuffer
*
* DESCRIPTION:
* Flushes the contents of the registry file stream to the disk and resets
* the buffer pointer.
*
* PARAMETERS:
* (none).
*
*******************************************************************************/
VOID
NEAR PASCAL
FlushIoBuffer(
VOID
)
{
FILE_NUMBYTES NumberOfBytesWritten;
if (s_FileIo.BufferOffset) {
if (!WRITEFILE(s_FileIo.hFile, s_FileIo.Buffer, s_FileIo.BufferOffset,
&NumberOfBytesWritten) || (FILE_NUMBYTES) s_FileIo.BufferOffset !=
NumberOfBytesWritten)
g_FileErrorStringID = IDS_EXPFILEERRFILEWRITE;
}
s_FileIo.BufferOffset = 0;
}
#endif // ifdef WIN95
#ifndef WIN32
/*******************************************************************************
*
* GetFileSize
*
* DESCRIPTION:
* Returns the file size for the given file handle.
*
* DESTRUCTIVE: After this call, the file pointer will be set to byte zero.
*
* PARAMETERS:
* hFile, file handle opened via MS-DOS.
* (returns), size of file.
*
*******************************************************************************/
DWORD
NEAR PASCAL
GetFileSize(
FILE_HANDLE hFile
)
{
DWORD FileSize;
FileSize = _llseek(hFile, 0, SEEK_END);
_llseek(hFile, 0, SEEK_SET);
return FileSize;
}
#endif
#ifdef DBCS
#ifndef WIN32
/*******************************************************************************
*
* DBCSSTRCHR
*
* DESCRIPTION:
* DBCS enabled STRCHR
*
*******************************************************************************/
LPSTR
NEAR PASCAL
DBCSStrChr(
LPSTR string,
CHAR chr
)
{
LPSTR p;
p = string;
while (*p)
{
if (IsDBCSLeadByte((BYTE)*p))
{
p++;
if (*p == 0)
break;
}
else if (*p == chr)
return (p);
p++;
}
if (*p == chr)
return (p);
return NULL;
}
/*******************************************************************************
*
* IsDBCSLeadByte
*
* DESCRIPTION:
* Test if the character is DBCS lead byte
*
*******************************************************************************/
BOOL
NEAR PASCAL
IsDBCSLeadByte(
BYTE chr
)
{
static unsigned char far *DBCSLeadByteTable = NULL;
WORD off,segs;
LPSTR p;
if (DBCSLeadByteTable == NULL)
{
_asm {
push ds
mov ax,6300h
int 21h
mov off,si
mov segs,ds
pop ds
}
FP_OFF(DBCSLeadByteTable) = off;
FP_SEG(DBCSLeadByteTable) = segs;
}
p = DBCSLeadByteTable;
while (p[0] || p[1])
{
if (chr >= p[0] && chr <= p[1])
return TRUE;
p += 2;
}
return FALSE;
}
#endif // WIN32
#endif // DBCS
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