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Added system hive support.

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svn path=/trunk/; revision=2395
This commit is contained in:
Eric Kohl 2001-11-26 22:33:20 +00:00
parent 0aee7968ad
commit 7a1bc8eaca
6 changed files with 1978 additions and 0 deletions
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27
freeldr/freeldr/reactos/hwdetect.c Normal file
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/*
* FreeLoader
*
* Copyright (C) 2001 Eric Kohl
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "../freeldr.h"
VOID
DetectHardware(VOID)
{
}

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freeldr/freeldr/reactos/reactos.c Normal file
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/*
* FreeLoader
*
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "../freeldr.h"
#include "../asmcode.h"
#include "reactos.h"
#include "../stdlib.h"
#include "../fs.h"
#include "../tui.h"
#include "../multiboot.h"
#include "../arcname.h"
#include "../memory.h"
#include "../parseini.h"
#include "registry.h"
#define NDEBUG
static BOOL
LoadKernel(PCHAR szFileName, int nPos)
{
PFILE FilePointer;
PCHAR szShortName;
char szBuffer[256];
szShortName = strrchr(szFileName, '\\');
if (szShortName == NULL)
szShortName = szFileName;
else
szShortName = szShortName + 1;
FilePointer = OpenFile(szFileName);
if (FilePointer == NULL)
{
strcat(szBuffer, szShortName);
strcat(szBuffer, " not found.");
MessageBox(szBuffer);
return(FALSE);
}
/*
* Update the status bar with the current file
*/
strcpy(szBuffer, " Reading ");
strcat(szBuffer, szShortName);
DrawStatusText(szBuffer);
/*
* Load the kernel
*/
MultiBootLoadKernel(FilePointer);
DrawProgressBar(nPos);
return(TRUE);
}
static BOOL
LoadDriver(PCHAR szFileName, int nPos)
{
PFILE FilePointer;
char value[256];
char *p;
FilePointer = OpenFile(szFileName);
if (FilePointer == NULL)
{
strcat(value, szFileName);
strcat(value, " not found.");
MessageBox(value);
return(FALSE);
}
/*
* Update the status bar with the current file
*/
strcpy(value, " Reading ");
p = strrchr(szFileName, '\\');
if (p == NULL)
strcat(value, szFileName);
else
strcat(value, p + 1);
while (strlen(value) < 80)
strcat(value, " ");
DrawStatusText(value);
/*
* Load the driver
*/
MultiBootLoadModule(FilePointer, szFileName, NULL);
DrawProgressBar(nPos);
return(TRUE);
}
static VOID
LoadBootDrivers(PCHAR szSystemRoot, int nPos)
{
LONG rc = 0;
HKEY hGroupKey, hServiceKey, hDriverKey;
char ValueBuffer[256];
char ServiceName[256];
ULONG BufferSize;
ULONG Index;
char *s, *p;
char GroupName[256];
ULONG len;
BOOL done;
ULONG ValueSize;
ULONG ValueType;
ULONG StartValue;
UCHAR DriverGroup[256];
ULONG DriverGroupSize;
UCHAR ImagePath[256];
/* get 'service group order' key */
rc = RegOpenKey(NULL,
"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\ServiceGroupOrder",
&hGroupKey);
// printf("RegOpenKey(): rc %d\n", (int)rc);
if (rc != ERROR_SUCCESS)
return;
/* enumerate drivers */
rc = RegOpenKey(NULL,
"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Services",
&hServiceKey);
// printf("RegOpenKey(): rc %d\n", (int)rc);
if (rc != ERROR_SUCCESS)
return;
// printf("hKey: %x\n", (int)hKey);
BufferSize = 256;
rc = RegQueryValue(hGroupKey, "List", NULL, (PUCHAR)ValueBuffer, &BufferSize);
// printf("RegQueryValue(): rc %d\n", (int)rc);
if (rc != ERROR_SUCCESS)
return;
// printf("BufferSize: %d \n", (int)BufferSize);
// printf("ValueBuffer: '%s' \n", ValueBuffer);
done = FALSE;
s = ValueBuffer;
do
{
p = strchr(s, ';');
if (p != NULL)
{
len = p - s;
memcpy(GroupName, s, len);
GroupName[len] = 0;
s = p + 1;
}
else
{
strcpy(GroupName, s);
done = TRUE;
}
// printf("Driver group: '%s'\n", GroupName);
/* enumerate all drivers */
Index = 0;
while (TRUE)
{
ValueSize = 256;
rc = RegEnumKey(hServiceKey, Index, ServiceName, &ValueSize);
// printf("RegEnumKey(): rc %d\n", (int)rc);
if (rc == ERROR_NO_MORE_ITEMS)
break;
if (rc != ERROR_SUCCESS)
return;
// printf("Service %d: '%s'\n", (int)Index, ServiceName);
/* open driver Key */
rc = RegOpenKey(hServiceKey, ServiceName, &hDriverKey);
ValueSize = sizeof(ULONG);
rc = RegQueryValue(hDriverKey, "Start", &ValueType, (PUCHAR)&StartValue, &ValueSize);
// printf(" Start: %x \n", (int)StartValue);
DriverGroupSize = 256;
rc = RegQueryValue(hDriverKey, "Group", NULL, (PUCHAR)DriverGroup, &DriverGroupSize);
// printf(" Group: %s \n", DriverGroup);
if ((StartValue == 0) && (stricmp(DriverGroup, GroupName) == 0))
{
ValueSize = 256;
rc = RegQueryValue(hDriverKey,
"ImagePathName",
NULL,
(PUCHAR)ImagePath,
&ValueSize);
if (rc != ERROR_SUCCESS)
{
// printf(" ImagePath: not found\n");
strcpy(ImagePath, szSystemRoot);
strcat(ImagePath, "system32\\drivers\\");
strcat(ImagePath, ServiceName);
strcat(ImagePath, ".sys");
}
else
{
// printf(" ImagePath: '%s'\n", ImagePath);
}
// printf(" Loading driver: '%s'\n", ImagePath);
LoadDriver(ImagePath, nPos);
if (nPos < 100)
nPos += 5;
}
Index++;
}
}
while(done == FALSE);
}
void LoadAndBootReactOS(PUCHAR OperatingSystemName)
{
PFILE FilePointer;
char name[1024];
char value[1024];
char szFileName[1024];
char szBootPath[256];
// int i;
// int nNumDriverFiles=0;
// int nNumFilesLoaded=0;
char MsgBuffer[256];
ULONG SectionId;
char* Base;
ULONG Size;
//
// Open the operating system section
// specified in the .ini file
//
if (!OpenSection(OperatingSystemName, &SectionId))
{
sprintf(MsgBuffer,"Operating System section '%s' not found in freeldr.ini", OperatingSystemName);
MessageBox(MsgBuffer);
return;
}
/*
* Setup multiboot information structure
*/
mb_info.flags = MB_INFO_FLAG_MEM_SIZE | MB_INFO_FLAG_BOOT_DEVICE | MB_INFO_FLAG_COMMAND_LINE | MB_INFO_FLAG_MODULES;
mb_info.mem_lower = GetConventionalMemorySize();
mb_info.mem_upper = GetExtendedMemorySize();
mb_info.boot_device = 0xffffffff;
mb_info.cmdline = (unsigned long)multiboot_kernel_cmdline;
mb_info.mods_count = 0;
mb_info.mods_addr = (unsigned long)multiboot_modules;
mb_info.mmap_length = GetBiosMemoryMap(&multiboot_memory_map);
if (mb_info.mmap_length)
{
mb_info.mmap_addr = (unsigned long)&multiboot_memory_map;
mb_info.flags |= MB_INFO_FLAG_MEMORY_MAP;
//printf("memory map length: %d\n", mb_info.mmap_length);
//printf("dumping memory map:\n");
//for (i=0; i<(mb_info.mmap_length / 4); i++)
//{
// printf("0x%x\n", ((unsigned long *)&multiboot_memory_map)[i]);
//}
//getch();
}
//printf("low_mem = %d\n", mb_info.mem_lower);
//printf("high_mem = %d\n", mb_info.mem_upper);
//getch();
/*
* Make sure the system path is set in the .ini file
*/
if (!ReadSectionSettingByName(SectionId, "SystemPath", value, 1024))
{
MessageBox("System path not specified for selected operating system.");
return;
}
/*
* Verify system path
*/
if (!DissectArcPath(value, szBootPath, &BootDrive, &BootPartition))
{
sprintf(MsgBuffer,"Invalid system path: '%s'", value);
MessageBox(MsgBuffer);
return;
}
/* set boot drive and partition */
((char *)(&mb_info.boot_device))[0] = (char)BootDrive;
((char *)(&mb_info.boot_device))[1] = (char)BootPartition;
/* copy ARC path into kernel command line */
strcpy(multiboot_kernel_cmdline, value);
/*
* Read the optional kernel parameters (if any)
*/
if (ReadSectionSettingByName(SectionId, "Options", value, 1024))
{
strcat(multiboot_kernel_cmdline, " ");
strcat(multiboot_kernel_cmdline, value);
}
/* append a backslash */
if ((strlen(szBootPath)==0) ||
szBootPath[strlen(szBootPath)] != '\\')
strcat(szBootPath, "\\");
#ifndef NDEBUG
sprintf(MsgBuffer,"SystemRoot: '%s'", szBootPath);
MessageBox(MsgBuffer);
#endif
DrawBackdrop();
DrawStatusText(" Loading...");
DrawProgressBar(0);
/*
* Try to open boot drive
*/
if (!OpenDiskDrive(BootDrive, BootPartition))
{
MessageBox("Failed to open boot drive.");
return;
}
/*
* Find the kernel image name
* and try to load the kernel off the disk
*/
if(ReadSectionSettingByName(SectionId, "Kernel", value, 1024))
{
/*
* Set the name and
*/
if (value[0] == '\\')
{
strcpy(szFileName, value);
}
else
{
strcpy(szFileName, szBootPath);
strcat(szFileName, "SYSTEM32\\");
strcat(szFileName, value);
}
}
else
{
strcpy(value, "NTOSKRNL.EXE");
strcpy(szFileName, szBootPath);
strcat(szFileName, "SYSTEM32\\");
strcat(szFileName, value);
}
if (!LoadKernel(szFileName, 5))
return;
/*
* Find the HAL image name
* and try to load the kernel off the disk
*/
if(ReadSectionSettingByName(SectionId, "Hal", value, 1024))
{
/*
* Set the name and
*/
if (value[0] == '\\')
{
strcpy(szFileName, value);
}
else
{
strcpy(szFileName, szBootPath);
strcat(szFileName, "SYSTEM32\\");
strcat(szFileName, value);
}
}
else
{
strcpy(value, "HAL.DLL");
strcpy(szFileName, szBootPath);
strcat(szFileName, "SYSTEM32\\");
strcat(szFileName, value);
}
if (!LoadDriver(szFileName, 10))
return;
/*
* Find the System hive image name
* and try to load it off the disk
*/
if(ReadSectionSettingByName(SectionId, "SystemHive", value, 1024))
{
/*
* Set the name and
*/
if (value[0] == '\\')
{
strcpy(szFileName, value);
}
else
{
strcpy(szFileName, szBootPath);
strcat(szFileName, "SYSTEM32\\CONFIG\\");
strcat(szFileName, value);
}
}
else
{
strcpy(value, "SYSTEM.HIV");
strcpy(szFileName, szBootPath);
strcat(szFileName, "SYSTEM32\\CONFIG\\");
strcat(szFileName, value);
}
#ifndef NDEBUG
sprintf(MsgBuffer,"SystemHive: '%s'", szFileName);
MessageBox(MsgBuffer);
#endif
FilePointer = OpenFile(szFileName);
if (FilePointer == NULL)
{
strcat(value, " not found.");
MessageBox(value);
return;
}
/*
* Update the status bar with the current file
*/
strcpy(name, " Reading ");
strcat(name, value);
while (strlen(name) < 80)
strcat(name, " ");
DrawStatusText(name);
/*
* Load the system hive
*/
Base = MultiBootLoadModule(FilePointer, szFileName, &Size);
RegInitializeRegistry();
RegImportHive(Base, Size);
DrawProgressBar(15);
#ifndef NDEBUG
sprintf(MsgBuffer,"SystemHive loaded at 0x%x size %u", (unsigned)Base, (unsigned)Size);
MessageBox(MsgBuffer);
#endif
/*
* retrieve hardware information and create the hardware hive
*/
// DetectHardware();
// Base = MultiBootCreateModule(HARDWARE.HIV);
// RegExportHardwareHive(Base, &Size);
// MultiBootCloseModule(Base, Size);
DrawProgressBar(20);
/*
* load NLS files
*/
// LoadNlsFiles(szBootPath);
DrawProgressBar(25);
/*
* load boot drivers
*/
LoadBootDrivers(szBootPath, 30);
/*
* Clear the screen and redraw the backdrop and status bar
*/
DrawBackdrop();
DrawStatusText(" Press any key to boot");
/*
* Wait for user
*/
strcpy(name, "Kernel and Drivers loaded.\nPress any key to boot ");
strcat(name, OperatingSystemName);
strcat(name, ".");
//MessageBox(name);
RestoreScreen(ScreenBuffer);
/*
* Now boot the kernel
*/
stop_floppy();
boot_reactos();
}

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freeldr/freeldr/reactos/reactos.h Normal file
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/*
* FreeLoader
*
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __REACTOS_H
#define __REACTOS_H
void LoadAndBootReactOS(PUCHAR OperatingSystemName);
#endif // defined __REACTOS_H

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freeldr/freeldr/reactos/reghive.c Normal file
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/*
* FreeLoader
*
* Copyright (C) 2001 Rex Jolliff
* Copyright (C) 2001 Eric Kohl
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "../freeldr.h"
#include "../stdlib.h"
#include "../memory.h"
#include "registry.h"
#define NDEBUG
#define REGISTRY_FILE_MAGIC "REGEDIT4"
#define INVALID_HANDLE_VALUE NULL
static PCHAR
checkAndSkipMagic (PCHAR regChunk)
{
if (strncmp (regChunk,
REGISTRY_FILE_MAGIC,
strlen (REGISTRY_FILE_MAGIC)) != 0)
{
#ifndef NDEBUG
printf("incorrect magic number in registry chunk. expected: %s got:%.*s\n",
REGISTRY_FILE_MAGIC,
strlen (REGISTRY_FILE_MAGIC),
regChunk);
#endif
return 0;
}
regChunk += strlen (REGISTRY_FILE_MAGIC);
#ifndef NDEBUG
printf("Found registry chunk magic value\n");
#endif
return regChunk;
}
static PCHAR
skipWhitespaceInChunk (PCHAR regChunk)
{
while (*regChunk && isspace (*regChunk))
regChunk++;
return *regChunk ? regChunk : 0;
}
static int
computeKeyNameSize (PCHAR regChunk)
{
int copyCount = 0;
while (*regChunk != 0 && *regChunk != ']')
{
copyCount++;
regChunk++;
}
return copyCount;
}
static BOOL
allocateKeyName(PCHAR *newKeyName, int newKeySize)
{
if (*newKeyName != NULL)
FreeMemory(*newKeyName);
*newKeyName = AllocateMemory(newKeySize + 1);
if (*newKeyName == NULL)
return(FALSE);
memset(*newKeyName, 0, newKeySize + 1);
return(TRUE);
}
static PCHAR
skipToNextKeyInChunk (PCHAR regChunk)
{
while (*regChunk != 0 && *regChunk != '[')
{
while (*regChunk != 0 && *regChunk != '\n')
{
regChunk++;
}
regChunk++;
}
return *regChunk ? regChunk : 0;
}
static PCHAR
getKeyNameFromChunk (PCHAR regChunk, PCHAR newKeyName)
{
int index = 0;
while (*regChunk != 0 && *regChunk != ']')
{
newKeyName[index++] = *regChunk++;
}
newKeyName[index] = '\0';
return *regChunk ? regChunk : 0;
}
static HKEY
createNewKey (PCHAR newKeyName)
{
HKEY handleToReturn = NULL;
#ifndef NDEBUG
printf("Adding new key '%s'\n", newKeyName);
#endif
RegCreateKey(NULL,
newKeyName,
&handleToReturn);
#ifndef NDEBUG
printf(" returned handle: 0x%x\n", handleToReturn);
#endif
return handleToReturn;
}
static PCHAR
skipToNextKeyValueInChunk (PCHAR regChunk)
{
while (*regChunk != 0 && *regChunk != '\n')
regChunk++;
regChunk = skipWhitespaceInChunk (regChunk);
return regChunk;
}
static int
computeKeyValueNameSize (PCHAR regChunk)
{
int size = 0;
if (*regChunk != '\"')
return 0;
regChunk++;
while (*regChunk != 0 && *regChunk != '\"')
{
size++;
regChunk++;
}
return regChunk ? size : 0;
}
static PCHAR
getKeyValueNameFromChunk (PCHAR regChunk, PCHAR newKeyName)
{
int index = 0;
regChunk++;
while (*regChunk != 0 && *regChunk != '\"')
{
newKeyName[index++] = *regChunk++;
}
newKeyName[index] = '\0';
regChunk++;
return *regChunk ? regChunk : 0;
}
static PCHAR
getKeyValueTypeFromChunk (PCHAR regChunk, PCHAR dataFormat, int *keyValueType)
{
if (*regChunk == '\"')
{
strcpy (dataFormat, "string");
*keyValueType = REG_SZ;
}
else if (strncmp (regChunk, "hex", 3) == 0)
{
strcpy (dataFormat, "hex");
regChunk += 3;
if (*regChunk == '(')
{
regChunk++;
*keyValueType = atoi (regChunk);
while (*regChunk != 0 && *regChunk != ')')
regChunk++;
regChunk++;
}
else
*keyValueType = REG_BINARY;
if (*regChunk == ':')
regChunk++;
}
else if (strncmp (regChunk, "dword", 5) == 0)
{
strcpy (dataFormat, "dword");
*keyValueType = REG_DWORD;
regChunk += 5;
if (*regChunk == ':')
regChunk++;
}
else
{
// UNIMPLEMENTED;
}
return *regChunk ? regChunk : 0;
}
static int
computeKeyValueDataSize (PCHAR regChunk, PCHAR dataFormat)
{
int dataSize = 0;
if (strcmp (dataFormat, "string") == 0)
{
regChunk++;
while (*regChunk != 0 && *regChunk != '\"')
{
dataSize++;
regChunk++;
}
dataSize++;
}
else if (strcmp (dataFormat, "hex") == 0)
{
while (*regChunk != 0 && isxdigit(*regChunk))
{
regChunk++;
regChunk++;
dataSize++;
if (*regChunk == ',')
{
regChunk++;
if (*regChunk == '\\')
{
regChunk++;
regChunk = skipWhitespaceInChunk (regChunk);
}
}
}
}
else if (strcmp (dataFormat, "dword") == 0)
{
dataSize = sizeof(DWORD);
while (*regChunk != 0 && isxdigit(*regChunk))
{
regChunk++;
}
}
else
{
// UNIMPLEMENTED;
}
return dataSize;
}
static BOOL
allocateDataBuffer (PVOID * data, int * dataBufferSize, int dataSize)
{
if (*dataBufferSize < dataSize)
{
if (*dataBufferSize > 0)
FreeMemory(*data);
*data = AllocateMemory(dataSize);
*dataBufferSize = dataSize;
}
return TRUE;
}
static PCHAR
getKeyValueDataFromChunk (PCHAR regChunk, PCHAR dataFormat, PCHAR data)
{
char dataValue;
ULONG ulValue;
PCHAR ptr;
if (strcmp (dataFormat, "string") == 0)
{
/* convert quoted string to zero-terminated Unicode string */
ptr = (PCHAR)data;
regChunk++;
while (*regChunk != 0 && *regChunk != '\"')
{
*ptr++ = (CHAR)*regChunk++;
}
*ptr = 0;
regChunk++;
}
else if (strcmp (dataFormat, "hex") == 0)
{
while (*regChunk != 0 && isxdigit (*regChunk))
{
dataValue = (isdigit (*regChunk) ? *regChunk - '0' :
tolower(*regChunk) - 'a') << 4;
regChunk++;
dataValue += (isdigit (*regChunk) ? *regChunk - '0' :
tolower(*regChunk) - 'a');
regChunk++;
*data++ = dataValue;
if (*regChunk == ',')
{
regChunk++;
if (*regChunk == '\\')
{
regChunk++;
regChunk = skipWhitespaceInChunk (regChunk);
}
}
}
}
else if (strcmp (dataFormat, "dword") == 0)
{
ulValue = 0;
while (*regChunk != 0 && isxdigit(*regChunk))
{
dataValue = (isdigit (*regChunk) ? *regChunk - '0' :
tolower(*regChunk) - 'a');
ulValue = (ulValue << 4) + dataValue;
regChunk++;
}
memcpy(data, &ulValue, sizeof(ULONG));
}
else
{
// UNIMPLEMENTED;
}
return *regChunk ? regChunk : 0;
}
static BOOL
setKeyValue (HKEY currentKey,
PCHAR newValueName,
ULONG keyValueType,
PVOID data,
ULONG dataSize)
{
LONG status;
#ifndef NDEBUG
printf("Adding value (%s) to current key, with data type %d size %d\n",
newValueName,
(int)keyValueType,
(int)dataSize);
#endif
status = RegSetValue(currentKey,
newValueName,
keyValueType,
data,
dataSize);
if (status != ERROR_SUCCESS)
{
#ifndef NDEBUG
printf("could not set key value, rc:%d\n", status);
#endif
return FALSE;
}
return TRUE;
}
VOID
RegImportHive(PCHAR ChunkBase,
ULONG ChunkSize)
{
HKEY currentKey = NULL;
int newKeySize = 0;
char *newKeyName = NULL;
char dataFormat [10];
int keyValueType;
int dataSize = 0;
int dataBufferSize = 0;
PVOID data = 0;
PCHAR regChunk;
#ifndef NDEBUG
printf("ChunkBase 0x%x ChunkSize %x\n", ChunkBase, ChunkSize);
#endif
regChunk = checkAndSkipMagic (ChunkBase);
if (regChunk == 0)
return;
while (regChunk != 0 && *regChunk != 0 && (((ULONG)regChunk-(ULONG)ChunkBase) < ChunkSize))
{
regChunk = skipWhitespaceInChunk (regChunk);
if (regChunk == 0)
continue;
if (*regChunk == '[')
{
#ifndef NDEBUG
printf("Line: %s\n", regChunk);
#endif
if (currentKey != NULL)
{
#ifndef NDEBUG
printf("Closing current key: 0x%lx\n", currentKey);
#endif
currentKey = NULL;
}
regChunk++;
newKeySize = computeKeyNameSize (regChunk);
if (!allocateKeyName (&newKeyName, newKeySize))
{
regChunk = 0;
continue;
}
regChunk = getKeyNameFromChunk (regChunk, newKeyName);
if (regChunk == 0)
continue;
currentKey = createNewKey (newKeyName);
if (currentKey == NULL)
{
regChunk = skipToNextKeyInChunk (regChunk);
continue;
}
regChunk++;
}
else
{
if (currentKey == NULL)
{
regChunk = skipToNextKeyInChunk (regChunk);
continue;
}
newKeySize = computeKeyValueNameSize(regChunk);
if (!allocateKeyName (&newKeyName, newKeySize))
{
regChunk = 0;
continue;
}
regChunk = getKeyValueNameFromChunk (regChunk, newKeyName);
if (regChunk == 0)
continue;
if (*regChunk != '=')
{
regChunk = skipToNextKeyValueInChunk (regChunk);
continue;
}
regChunk++;
regChunk = getKeyValueTypeFromChunk (regChunk, dataFormat, &keyValueType);
if (regChunk == 0)
continue;
dataSize = computeKeyValueDataSize (regChunk, dataFormat);
if (!allocateDataBuffer (&data, &dataBufferSize, dataSize))
{
regChunk = 0;
continue;
}
regChunk = getKeyValueDataFromChunk (regChunk, dataFormat, data);
if (regChunk == 0)
continue;
if (!setKeyValue (currentKey, newKeyName, keyValueType, data, dataSize))
{
regChunk = 0;
continue;
}
}
}
if (newKeyName != NULL)
{
FreeMemory(newKeyName);
}
if (data != NULL)
{
FreeMemory(data);
}
return;
}
/* EOF */

596
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/*
* FreeLoader
*
* Copyright (C) 2001 Eric Kohl
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* TODO:
* - Implement RegDeleteKey().
* - Implement RegQueryMultipleValue().
* - Fix RegEnumValue().
*/
#include "../freeldr.h"
#include "../memory.h"
#include "../stdlib.h"
#include "registry.h"
#define NDEBUG
static HKEY RootKey;
VOID
RegInitializeRegistry(VOID)
{
RootKey = (HKEY)AllocateMemory(sizeof(KEY));
InitializeListHead(&RootKey->SubKeyList);
InitializeListHead(&RootKey->ValueList);
InitializeListHead(&RootKey->KeyList);
RootKey->NameSize = 2;
RootKey->Name = (PUCHAR)AllocateMemory(2);
strcpy(RootKey->Name, "\\");
RootKey->Type = 0;
RootKey->DataSize = 0;
RootKey->Data = NULL;
}
LONG
RegCreateKey(HKEY ParentKey,
PCHAR KeyName,
PHKEY Key)
{
PLIST_ENTRY Ptr;
HKEY SearchKey;
HKEY CurrentKey;
HKEY NewKey;
PCHAR p;
PCHAR name;
int subkeyLength;
int stringLength;
#ifndef NDEBUG
printf("RegCreateKey(%s) called\n", KeyName);
#endif
if (*KeyName == '\\')
{
KeyName++;
CurrentKey = RootKey;
}
else if (ParentKey == NULL)
{
CurrentKey = RootKey;
}
else
{
CurrentKey = ParentKey;
}
while (*KeyName != 0)
{
#ifndef NDEBUG
printf("RegCreateKey(): KeyName '%s'\n", KeyName);
#endif
if (*KeyName == '\\')
KeyName++;
p = strchr(KeyName, '\\');
if ((p != NULL) && (p != KeyName))
{
subkeyLength = p - KeyName;
stringLength = subkeyLength + 1;
name = KeyName;
}
else
{
subkeyLength = strlen(KeyName);
stringLength = subkeyLength;
name = KeyName;
}
Ptr = CurrentKey->SubKeyList.Flink;
while (Ptr != &CurrentKey->SubKeyList)
{
#ifndef NDEBUG
printf("RegCreateKey(): Ptr 0x%x\n", Ptr);
#endif
SearchKey = CONTAINING_RECORD(Ptr,
KEY,
KeyList);
#ifndef NDEBUG
printf("RegCreateKey(): SearchKey 0x%x\n", SearchKey);
printf("RegCreateKey(): searching '%s'\n", SearchKey->Name);
#endif
if (strncmp(SearchKey->Name, name, subkeyLength) == 0)
break;
Ptr = Ptr->Flink;
}
if (Ptr == &CurrentKey->SubKeyList)
{
/* no key found -> create new subkey */
NewKey = (HKEY)AllocateMemory(sizeof(KEY));
if (NewKey == NULL)
return(ERROR_OUTOFMEMORY);
InitializeListHead(&NewKey->SubKeyList);
InitializeListHead(&NewKey->ValueList);
NewKey->Type = 0;
NewKey->DataSize = 0;
NewKey->Data = NULL;
InsertTailList(&CurrentKey->SubKeyList, &NewKey->KeyList);
NewKey->NameSize = subkeyLength + 1;
NewKey->Name = (PCHAR)AllocateMemory(NewKey->NameSize);
if (NewKey->Name == NULL)
return(ERROR_OUTOFMEMORY);
memcpy(NewKey->Name, name, subkeyLength);
NewKey->Name[subkeyLength] = 0;
#ifndef NDEBUG
printf("RegCreateKey(): new key 0x%x\n", NewKey);
printf("RegCreateKey(): new key '%s' length %d\n", NewKey->Name, NewKey->NameSize);
#endif
CurrentKey = NewKey;
}
else
{
CurrentKey = SearchKey;
}
KeyName = KeyName + stringLength;
}
if (Key != NULL)
*Key = CurrentKey;
return(ERROR_SUCCESS);
}
LONG
RegDeleteKey(HKEY Key,
PCHAR Name)
{
if (strchr(Name, '\\') != NULL)
return(ERROR_INVALID_PARAMETER);
return(ERROR_SUCCESS);
}
LONG
RegEnumKey(HKEY Key,
ULONG Index,
PCHAR Name,
PULONG NameSize)
{
PLIST_ENTRY Ptr;
HKEY SearchKey;
ULONG Count = 0;
ULONG Size;
Ptr = Key->SubKeyList.Flink;
while (Ptr != &Key->SubKeyList)
{
if (Index == Count)
break;
Count++;
Ptr = Ptr->Flink;
}
if (Ptr == &Key->SubKeyList)
return(ERROR_NO_MORE_ITEMS);
SearchKey = CONTAINING_RECORD(Ptr,
KEY,
KeyList);
#ifndef NDEBUG
printf("RegEnumKey(): name '%s' length %d\n", SearchKey->Name, SearchKey->NameSize);
#endif
Size = min(SearchKey->NameSize, *NameSize);
*NameSize = Size;
memcpy(Name, SearchKey->Name, Size);
return(ERROR_SUCCESS);
}
LONG
RegOpenKey(HKEY ParentKey,
PCHAR KeyName,
PHKEY Key)
{
PLIST_ENTRY Ptr;
HKEY SearchKey;
HKEY CurrentKey;
PCHAR p;
PCHAR name;
int subkeyLength;
int stringLength;
#ifndef NDEBUG
printf("RegOpenKey(%s) called\n", KeyName);
#endif
*Key = NULL;
if (*KeyName == '\\')
{
KeyName++;
CurrentKey = RootKey;
}
else if (ParentKey == NULL)
{
CurrentKey = RootKey;
}
else
{
CurrentKey = ParentKey;
}
while (*KeyName != 0)
{
#ifndef NDEBUG
printf("RegOpenKey(): KeyName '%s'\n", KeyName);
#endif
if (*KeyName == '\\')
KeyName++;
p = strchr(KeyName, '\\');
if ((p != NULL) && (p != KeyName))
{
subkeyLength = p - KeyName;
stringLength = subkeyLength + 1;
name = KeyName;
}
else
{
subkeyLength = strlen(KeyName);
stringLength = subkeyLength;
name = KeyName;
}
Ptr = CurrentKey->SubKeyList.Flink;
while (Ptr != &CurrentKey->SubKeyList)
{
#ifndef NDEBUG
printf("RegCreateKey(): Ptr 0x%x\n", Ptr);
#endif
SearchKey = CONTAINING_RECORD(Ptr,
KEY,
KeyList);
#ifndef NDEBUG
printf("RegOpenKey(): SearchKey 0x%x\n", SearchKey);
printf("RegOpenKey(): searching '%s'\n", SearchKey->Name);
#endif
if (strncmp(SearchKey->Name, name, subkeyLength) == 0)
break;
Ptr = Ptr->Flink;
}
if (Ptr == &CurrentKey->SubKeyList)
{
return(ERROR_PATH_NOT_FOUND);
}
else
{
CurrentKey = SearchKey;
}
KeyName = KeyName + stringLength;
}
if (Key != NULL)
*Key = CurrentKey;
return(ERROR_SUCCESS);
}
LONG
RegSetValue(HKEY Key,
PCHAR ValueName,
ULONG Type,
PUCHAR Data,
ULONG DataSize)
{
PLIST_ENTRY Ptr;
PVALUE Value;
#ifndef NDEBUG
printf("RegSetValue(%x, '%s', %d, %x, %d)\n", (int)Key, ValueName, (int)Type, (int)Data, (int)DataSize);
#endif
if ((ValueName == NULL) || (*ValueName == 0))
{
/* set default value */
if (Key->Data != NULL)
FreeMemory(Key->Data);
Key->Data = (PUCHAR)AllocateMemory(DataSize);
Key->DataSize = DataSize;
Key->Type = Type;
memcpy(Key->Data, Data, DataSize);
}
else
{
/* set non-default value */
Ptr = Key->ValueList.Flink;
while (Ptr != &Key->ValueList)
{
Value = CONTAINING_RECORD(Ptr,
VALUE,
ValueList);
#ifndef NDEBUG
printf("Value->Name: '%s'\n", Value->Name);
#endif
if (stricmp(Value->Name, ValueName) == 0)
break;
Ptr = Ptr->Flink;
}
if (Ptr == &Key->ValueList)
{
/* add new value */
#ifndef NDEBUG
printf("No value found - adding new value\n");
#endif
Value = (PVALUE)AllocateMemory(sizeof(VALUE));
if (Value == NULL)
return(ERROR_OUTOFMEMORY);
InsertTailList(&Key->ValueList, &Value->ValueList);
Value->NameSize = strlen(ValueName)+1;
Value->Name = (PCHAR)AllocateMemory(Value->NameSize);
if (Value->Name == NULL)
return(ERROR_OUTOFMEMORY);
strcpy(Value->Name, ValueName);
Value->Data = NULL;
}
/* set new value */
if (DataSize <= sizeof(PUCHAR))
{
Value->DataSize = DataSize;
Value->Type = Type;
memcpy(&Value->Data, Data, DataSize);
}
else
{
if(Value->Data != NULL)
FreeMemory(Value->Data);
Value->Data = (PUCHAR)AllocateMemory(DataSize);
if (Value->Data == NULL)
return(ERROR_OUTOFMEMORY);
Value->DataSize = DataSize;
Value->Type = Type;
memcpy(Value->Data, Data, DataSize);
}
}
return(ERROR_SUCCESS);
}
LONG
RegQueryValue(HKEY Key,
PCHAR ValueName,
PULONG Type,
PUCHAR Data,
PULONG DataSize)
{
ULONG Size;
PLIST_ENTRY Ptr;
PVALUE Value;
if ((ValueName == NULL) || (*ValueName == 0))
{
/* query default value */
if (Key->Data == NULL)
return(ERROR_INVALID_PARAMETER);
if (Type != NULL)
*Type = Key->Type;
if ((Data != NULL) && (DataSize != NULL))
{
Size = min(Key->DataSize, *DataSize);
memcpy(Data, Key->Data, Size);
*DataSize = Size;
}
}
else
{
/* query non-default value */
Ptr = Key->ValueList.Flink;
while (Ptr != &Key->ValueList)
{
Value = CONTAINING_RECORD(Ptr,
VALUE,
ValueList);
#ifndef NDEBUG
printf("Name: %s\n", Value->Name);
#endif
if (stricmp(Value->Name, ValueName) == 0)
break;
Ptr = Ptr->Flink;
}
if (Ptr == &Key->ValueList)
return(ERROR_INVALID_PARAMETER);
if (Type != NULL)
*Type = Value->Type;
if ((Data != NULL) && (DataSize != NULL))
{
if (*DataSize <= sizeof(PUCHAR))
{
Size = min(Value->DataSize, *DataSize);
memcpy(Data, &Value->Data, Size);
*DataSize = Size;
}
else
{
Size = min(Value->DataSize, *DataSize);
memcpy(Data, Value->Data, Size);
*DataSize = Size;
}
}
}
return(ERROR_SUCCESS);
}
LONG
RegDeleteValue(HKEY Key,
PCHAR ValueName)
{
PLIST_ENTRY Ptr;
PVALUE Value;
if ((ValueName == NULL) || (*ValueName == 0))
{
/* delete default value */
if (Key->Data != NULL)
FreeMemory(Key->Data);
Key->Data = NULL;
Key->DataSize = 0;
Key->Type = 0;
}
else
{
/* delete non-default value */
Ptr = Key->ValueList.Flink;
while (Ptr != &Key->ValueList)
{
Value = CONTAINING_RECORD(Ptr,
VALUE,
ValueList);
if (strcmp(Value->Name, ValueName) == 0)
break;
Ptr = Ptr->Flink;
}
if (Ptr == &Key->ValueList)
return(ERROR_INVALID_PARAMETER);
/* delete value */
if (Value->Name != NULL)
FreeMemory(Value->Name);
Value->Name = NULL;
Value->NameSize = 0;
if (Value->DataSize > sizeof(PUCHAR))
{
if (Value->Data != NULL)
FreeMemory(Value->Data);
}
Value->Data = NULL;
Value->DataSize = 0;
Value->Type = 0;
RemoveEntryList(&Value->ValueList);
FreeMemory(Value);
}
return(ERROR_SUCCESS);
}
LONG
RegEnumValue(HKEY Key,
ULONG Index,
PCHAR ValueName,
PULONG NameSize,
PULONG Type,
PUCHAR Data,
PULONG DataSize)
{
PLIST_ENTRY Ptr;
PVALUE Value;
ULONG Count = 0;
if (Key->Data != NULL)
{
if (Index > 0)
{
Index--;
}
else
{
/* enumerate default value */
if (ValueName != NULL)
*ValueName = 0;
if (Type != NULL)
*Type = Key->Type;
if (DataSize != NULL)
*DataSize = Key->DataSize;
/* FIXME: return more values */
}
}
Ptr = Key->ValueList.Flink;
while (Ptr != &Key->ValueList)
{
if (Index == Count)
break;
Count++;
Ptr = Ptr->Flink;
}
if (Ptr == &Key->ValueList)
return(ERROR_NO_MORE_ITEMS);
Value = CONTAINING_RECORD(Ptr,
VALUE,
ValueList);
/* FIXME: return values */
return(ERROR_SUCCESS);
}
#if 0
LONG
RegQueryMultipleValue(HKEY Key,
...)
{
return(ERROR_SUCCESS);
}
#endif
/* EOF */

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/*
* FreeLoader - registry.h
*
* Copyright (C) 2001 Eric Kohl
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __REGISTRY_H
#define __REGISTRY_H
typedef struct _LIST_ENTRY
{
struct _LIST_ENTRY *Flink;
struct _LIST_ENTRY *Blink;
} LIST_ENTRY, *PLIST_ENTRY;
typedef struct _REG_KEY
{
LIST_ENTRY KeyList;
LIST_ENTRY SubKeyList;
LIST_ENTRY ValueList;
ULONG NameSize;
PUCHAR Name;
/* default data */
ULONG Type;
ULONG DataSize;
PUCHAR Data;
} KEY, *HKEY, **PHKEY;
typedef struct _REG_VALUE
{
LIST_ENTRY ValueList;
/* value name */
ULONG NameSize;
PUCHAR Name;
/* value data */
ULONG Type;
ULONG DataSize;
PUCHAR Data;
} VALUE, *PVALUE;
#define ERROR_SUCCESS 0L
#define ERROR_PATH_NOT_FOUND 2L
#define ERROR_OUTOFMEMORY 14L
#define ERROR_INVALID_PARAMETER 87L
#define ERROR_MORE_DATA 234L
#define ERROR_NO_MORE_ITEMS 259L
#define assert(x)
/*
* VOID
* InitializeListHead (
* PLIST_ENTRY ListHead
* );
*
* FUNCTION: Initializes a double linked list
* ARGUMENTS:
* ListHead = Caller supplied storage for the head of the list
*/
#define InitializeListHead(ListHead) \
{ \
(ListHead)->Flink = (ListHead); \
(ListHead)->Blink = (ListHead); \
}
/*
* VOID
* InsertHeadList (
* PLIST_ENTRY ListHead,
* PLIST_ENTRY Entry
* );
*
* FUNCTION: Inserts an entry in a double linked list
* ARGUMENTS:
* ListHead = Head of the list
* Entry = Entry to insert
*/
#define InsertHeadList(ListHead, ListEntry) \
{ \
PLIST_ENTRY OldFlink; \
OldFlink = (ListHead)->Flink; \
(ListEntry)->Flink = OldFlink; \
(ListEntry)->Blink = (ListHead); \
OldFlink->Blink = (ListEntry); \
(ListHead)->Flink = (ListEntry); \
assert((ListEntry) != NULL); \
assert((ListEntry)->Blink!=NULL); \
assert((ListEntry)->Blink->Flink == (ListEntry)); \
assert((ListEntry)->Flink != NULL); \
assert((ListEntry)->Flink->Blink == (ListEntry)); \
}
/*
* VOID
* InsertTailList (
* PLIST_ENTRY ListHead,
* PLIST_ENTRY Entry
* );
*
* FUNCTION:
* Inserts an entry in a double linked list
*
* ARGUMENTS:
* ListHead = Head of the list
* Entry = Entry to insert
*/
#define InsertTailList(ListHead, ListEntry) \
{ \
PLIST_ENTRY OldBlink; \
OldBlink = (ListHead)->Blink; \
(ListEntry)->Flink = (ListHead); \
(ListEntry)->Blink = OldBlink; \
OldBlink->Flink = (ListEntry); \
(ListHead)->Blink = (ListEntry); \
assert((ListEntry) != NULL); \
assert((ListEntry)->Blink != NULL); \
assert((ListEntry)->Blink->Flink == (ListEntry)); \
assert((ListEntry)->Flink != NULL); \
assert((ListEntry)->Flink->Blink == (ListEntry)); \
}
/*
* BOOLEAN
* IsListEmpty (
* PLIST_ENTRY ListHead
* );
*
* FUNCTION:
* Checks if a double linked list is empty
*
* ARGUMENTS:
* ListHead = Head of the list
*/
#define IsListEmpty(ListHead) \
((ListHead)->Flink == (ListHead))
/*
*VOID
*RemoveEntryList (
* PLIST_ENTRY Entry
* );
*
* FUNCTION:
* Removes an entry from a double linked list
*
* ARGUMENTS:
* ListEntry = Entry to remove
*/
#define RemoveEntryList(ListEntry) \
{ \
PLIST_ENTRY OldFlink; \
PLIST_ENTRY OldBlink; \
assert((ListEntry) != NULL); \
assert((ListEntry)->Blink!=NULL); \
assert((ListEntry)->Blink->Flink == (ListEntry)); \
assert((ListEntry)->Flink != NULL); \
assert((ListEntry)->Flink->Blink == (ListEntry)); \
OldFlink = (ListEntry)->Flink; \
OldBlink = (ListEntry)->Blink; \
OldFlink->Blink = OldBlink; \
OldBlink->Flink = OldFlink; \
(ListEntry)->Flink = NULL; \
(ListEntry)->Blink = NULL; \
}
/*
* PURPOSE: Returns the byte offset of a field within a structure
*/
#define FIELD_OFFSET(Type,Field) (LONG)(&(((Type *)(0))->Field))
/*
* PURPOSE: Returns the base address structure if the caller knows the
* address of a field within the structure
* ARGUMENTS:
* Address = address of the field
* Type = Type of the whole structure
* Field = Name of the field whose address is none
*/
#define CONTAINING_RECORD(Address,Type,Field) \
(Type *)(((LONG)Address) - FIELD_OFFSET(Type,Field))
//typedef struct _REG_KEY *HKEY, **PHKEY;
#define REG_NONE 0
#define REG_SZ 1
#define REG_EXPAND_SZ 2
#define REG_BINARY 3
#define REG_DWORD 4
#define REG_DWORD_BIG_ENDIAN 5
#define REG_DWORD_LITTLE_ENDIAN 4
#define REG_LINK 6
#define REG_MULTI_SZ 7
#define REG_RESOURCE_LIST 8
#define REG_FULL_RESOURCE_DESCRIPTOR 9
#define REG_RESOURCE_REQUIREMENTS_LIST 10
VOID
RegInitializeRegistry(VOID);
LONG
RegCreateKey(HKEY ParentKey,
PCHAR KeyName,
PHKEY Key);
LONG
RegDeleteKey(HKEY Key,
PCHAR Name);
LONG
RegEnumKey(HKEY Key,
ULONG Index,
PCHAR Name,
PULONG NameSize);
LONG
RegOpenKey(HKEY ParentKey,
PCHAR KeyName,
PHKEY Key);
LONG
RegSetValue(HKEY Key,
PCHAR ValueName,
ULONG Type,
PUCHAR Data,
ULONG DataSize);
LONG
RegQueryValue(HKEY Key,
PCHAR ValueName,
PULONG Type,
PUCHAR Data,
PULONG DataSize);
LONG
RegDeleteValue(HKEY Key,
PCHAR ValueName);
LONG
RegEnumValue(HKEY Key,
ULONG Index,
PCHAR ValueName,
PULONG NameSize,
PULONG Type,
PUCHAR Data,
PULONG DataSize);
VOID
RegImportHive(PCHAR ChunkBase,
ULONG ChunkSize);
#endif /* __REGISTRY_H */
/* EOF */