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[APPHELP] Implement SdbQueryData[Ex][TagID]

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This commit is contained in:
Mark Jansen 2018-04-10 22:42:03 +02:00
parent 767fc4a6ad
commit d74a3fecad
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GPG key ID: B39240EE84BEAE8B
5 changed files with 175 additions and 12 deletions
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6
dll/appcompat/apphelp/apphelp.h
View file

@ -90,6 +90,8 @@ BOOL WINAPI SdbIsNullGUID(CONST GUID *Guid);
HRESULT WINAPI SdbGetAppPatchDir(HSDB db, LPWSTR path, DWORD size);
LPWSTR WINAPI SdbGetStringTagPtr(PDB pdb, TAGID tagid);
TAGID WINAPI SdbFindFirstNamedTag(PDB pdb, TAGID root, TAGID find, TAGID nametag, LPCWSTR find_name);
DWORD WINAPI SdbQueryDataExTagID(PDB pdb, TAGID tiExe, LPCWSTR lpszDataName, LPDWORD lpdwDataType, LPVOID lpBuffer, LPDWORD lpcbBufferSize, TAGID *ptiData);
/* sdbread.c */
BOOL WINAPI SdbpReadData(PDB pdb, PVOID dest, DWORD offset, DWORD num);
@ -101,6 +103,9 @@ DWORD WINAPI SdbReadDWORDTag(PDB pdb, TAGID tagid, DWORD ret);
QWORD WINAPI SdbReadQWORDTag(PDB pdb, TAGID tagid, QWORD ret);
TAGID WINAPI SdbGetFirstChild(PDB pdb, TAGID parent);
TAGID WINAPI SdbGetNextChild(PDB pdb, TAGID parent, TAGID prev_child);
DWORD WINAPI SdbGetTagDataSize(PDB pdb, TAGID tagid);
LPWSTR WINAPI SdbpGetString(PDB pdb, TAGID tagid, PDWORD size);
/* sdbfileattr.c*/
BOOL WINAPI SdbGetFileAttributes(LPCWSTR path, PATTRINFO *attr_info_ret, LPDWORD attr_count);
@ -116,6 +121,7 @@ BOOL WINAPI SdbGetMatchingExe(HSDB hsdb, LPCWSTR path, LPCWSTR module_name, LPCW
BOOL WINAPI SdbTagIDToTagRef(HSDB hsdb, PDB pdb, TAGID tiWhich, TAGREF* ptrWhich);
BOOL WINAPI SdbTagRefToTagID(HSDB hsdb, TAGREF trWhich, PDB* ppdb, TAGID* ptiWhich);
BOOL WINAPI SdbUnpackAppCompatData(HSDB hsdb, LPCWSTR pszImageName, PVOID pData, PSDBQUERYRESULT pQueryResult);
DWORD WINAPI SdbQueryData(HSDB hsdb, TAGREF trWhich, LPCWSTR lpszDataName, LPDWORD lpdwDataType, LPVOID lpBuffer, LPDWORD lpcbBufferSize);
#define ATTRIBUTE_AVAILABLE 0x1
#define ATTRIBUTE_FAILED 0x2

6
dll/appcompat/apphelp/apphelp.spec
View file

@ -108,9 +108,9 @@
@ stub SdbQueryApphelpInformation
@ stub SdbQueryBlockUpgrade
@ stub SdbQueryContext
@ stub SdbQueryData
@ stub SdbQueryDataEx
@ stub SdbQueryDataExTagID
@ stdcall SdbQueryData(ptr long wstr ptr ptr ptr)
@ stdcall SdbQueryDataEx(ptr long wstr ptr ptr ptr ptr)
@ stdcall SdbQueryDataExTagID(ptr long wstr ptr ptr ptr ptr)
@ stub SdbQueryFlagInfo
@ stub SdbQueryName
@ stub SdbQueryReinstallUpgrade

52
dll/appcompat/apphelp/hsdb.c
View file

@ -753,7 +753,57 @@ DWORD WINAPI SdbGetAppCompatDataSize(ShimData* pData)
if (!pData || pData->dwMagic != SHIMDATA_MAGIC)
return 0;
return pData->dwSize;
}
/**
* Retrieve a Data entry
*
* @param [in] hsdb The multi-database.
* @param [in] trExe The tagRef to start at
* @param [in,opt] lpszDataName The name of the Data entry to find, or NULL to return all.
* @param [out,opt] lpdwDataType Any of REG_SZ, REG_QWORD, REG_DWORD, ...
* @param [out] lpBuffer The output buffer
* @param [in,out,opt] lpcbBufferSize The size of lpBuffer in bytes
* @param [out,opt] ptrData The tagRef of the data
*
* @return ERROR_SUCCESS
*/
DWORD WINAPI SdbQueryDataEx(HSDB hsdb, TAGREF trWhich, LPCWSTR lpszDataName, LPDWORD lpdwDataType, LPVOID lpBuffer, LPDWORD lpcbBufferSize, TAGREF *ptrData)
{
PDB pdb;
TAGID tiWhich, tiData;
DWORD dwResult;
if (!SdbTagRefToTagID(hsdb, trWhich, &pdb, &tiWhich))
{
SHIM_WARN("Unable to translate trWhich=0x%x\n", trWhich);
return ERROR_NOT_FOUND;
}
dwResult = SdbQueryDataExTagID(pdb, tiWhich, lpszDataName, lpdwDataType, lpBuffer, lpcbBufferSize, &tiData);
if (dwResult == ERROR_SUCCESS && ptrData)
SdbTagIDToTagRef(hsdb, pdb, tiData, ptrData);
return dwResult;
}
/**
* Retrieve a Data entry
*
* @param [in] hsdb The multi-database.
* @param [in] trExe The tagRef to start at
* @param [in,opt] lpszDataName The name of the Data entry to find, or NULL to return all.
* @param [out,opt] lpdwDataType Any of REG_SZ, REG_QWORD, REG_DWORD, ...
* @param [out] lpBuffer The output buffer
* @param [in,out,opt] lpcbBufferSize The size of lpBuffer in bytes
*
* @return ERROR_SUCCESS
*/
DWORD WINAPI SdbQueryData(HSDB hsdb, TAGREF trWhich, LPCWSTR lpszDataName, LPDWORD lpdwDataType, LPVOID lpBuffer, LPDWORD lpcbBufferSize)
{
return SdbQueryDataEx(hsdb, trWhich, lpszDataName, lpdwDataType, lpBuffer, lpcbBufferSize, NULL);
}

114
dll/appcompat/apphelp/sdbapi.c
View file

@ -4,7 +4,7 @@
* PURPOSE: Sdb low level glue layer
* COPYRIGHT: Copyright 2011 André Hentschel
* Copyright 2013 Mislav Blaževic
* Copyright 2015-2017 Mark Jansen (mark.jansen@reactos.org)
* Copyright 2015-2018 Mark Jansen (mark.jansen@reactos.org)
*/
#include "ntndk.h"
@ -476,7 +476,7 @@ BOOL WINAPI SdbGetDatabaseVersion(LPCWSTR database, PDWORD VersionHi, PDWORD Ver
/**
* Find the first named child tag.
*
* @param [in] database The database.
* @param [in] pdb The database.
* @param [in] root The tag to start at
* @param [in] find The tag type to find
* @param [in] nametag The child of 'find' that contains the name
@ -534,6 +534,116 @@ TAGREF WINAPI SdbGetLayerTagRef(HSDB hsdb, LPCWSTR layerName)
}
#ifndef REG_SZ
#define REG_SZ 1
#define REG_DWORD 4
#define REG_QWORD 11
#endif
/**
* Retrieve a Data entry
*
* @param [in] pdb The database.
* @param [in] tiExe The tagID to start at
* @param [in,opt] lpszDataName The name of the Data entry to find, or NULL to return all.
* @param [out,opt] lpdwDataType Any of REG_SZ, REG_QWORD, REG_DWORD, ...
* @param [out] lpBuffer The output buffer
* @param [in,out,opt] lpcbBufferSize The size of lpBuffer in bytes
* @param [out,opt] ptiData The tagID of the data
*
* @return ERROR_SUCCESS
*/
DWORD WINAPI SdbQueryDataExTagID(PDB pdb, TAGID tiExe, LPCWSTR lpszDataName, LPDWORD lpdwDataType, LPVOID lpBuffer, LPDWORD lpcbBufferSize, TAGID *ptiData)
{
TAGID tiData, tiValueType, tiValue;
DWORD dwDataType, dwSizeRequired, dwInputSize;
LPCWSTR lpStringData;
/* Not supported yet */
if (!lpszDataName)
return ERROR_INVALID_PARAMETER;
tiData = SdbFindFirstNamedTag(pdb, tiExe, TAG_DATA, TAG_NAME, lpszDataName);
if (tiData == TAGID_NULL)
{
SHIM_INFO("No data tag found\n");
return ERROR_NOT_FOUND;
}
if (ptiData)
*ptiData = tiData;
tiValueType = SdbFindFirstTag(pdb, tiData, TAG_DATA_VALUETYPE);
if (tiValueType == TAGID_NULL)
{
SHIM_WARN("Data tag (0x%x) without valuetype\n", tiData);
return ERROR_INTERNAL_DB_CORRUPTION;
}
dwDataType = SdbReadDWORDTag(pdb, tiValueType, 0);
switch (dwDataType)
{
case REG_SZ:
tiValue = SdbFindFirstTag(pdb, tiData, TAG_DATA_STRING);
break;
case REG_DWORD:
tiValue = SdbFindFirstTag(pdb, tiData, TAG_DATA_DWORD);
break;
case REG_QWORD:
tiValue = SdbFindFirstTag(pdb, tiData, TAG_DATA_QWORD);
break;
default:
/* Not supported (yet) */
SHIM_WARN("Unsupported dwDataType=0x%x\n", dwDataType);
return ERROR_INVALID_PARAMETER;
}
if (lpdwDataType)
*lpdwDataType = dwDataType;
if (tiValue == TAGID_NULL)
{
SHIM_WARN("Data tag (0x%x) without data\n", tiData);
return ERROR_INTERNAL_DB_CORRUPTION;
}
if (dwDataType != REG_SZ)
{
dwSizeRequired = SdbGetTagDataSize(pdb, tiValue);
}
else
{
lpStringData = SdbpGetString(pdb, tiValue, &dwSizeRequired);
if (lpStringData == NULL)
{
return ERROR_INTERNAL_DB_CORRUPTION;
}
}
if (!lpcbBufferSize)
return ERROR_INSUFFICIENT_BUFFER;
dwInputSize = *lpcbBufferSize;
*lpcbBufferSize = dwSizeRequired;
if (dwInputSize < dwSizeRequired || lpBuffer == NULL)
{
SHIM_WARN("dwInputSize %u not sufficient to hold %u bytes\n", dwInputSize, dwSizeRequired);
return ERROR_INSUFFICIENT_BUFFER;
}
if (dwDataType != REG_SZ)
{
SdbpReadData(pdb, lpBuffer, tiValue + sizeof(TAG), dwSizeRequired);
}
else
{
StringCbCopyNW(lpBuffer, dwInputSize, lpStringData, dwSizeRequired);
}
return ERROR_SUCCESS;
}
/**
* Converts the specified string to an index key.
*

9
dll/appcompat/apphelp/sdbread.c
View file

@ -4,16 +4,13 @@
* PURPOSE: Shim database query functions
* COPYRIGHT: Copyright 2011 André Hentschel
* Copyright 2013 Mislav Blaževic
* Copyright 2015-2017 Mark Jansen (mark.jansen@reactos.org)
* Copyright 2015-2018 Mark Jansen (mark.jansen@reactos.org)
*/
#include "windef.h"
#include "apphelp.h"
DWORD WINAPI SdbGetTagDataSize(PDB pdb, TAGID tagid);
BOOL WINAPI SdbpReadData(PDB pdb, PVOID dest, DWORD offset, DWORD num)
{
DWORD size = offset + num;
@ -47,7 +44,7 @@ static DWORD WINAPI SdbpGetTagSize(PDB pdb, TAGID tagid)
return size;
}
static LPWSTR WINAPI SdbpGetString(PDB pdb, TAGID tagid, PDWORD size)
LPWSTR WINAPI SdbpGetString(PDB pdb, TAGID tagid, PDWORD size)
{
TAG tag;
TAGID offset;
@ -79,7 +76,7 @@ static LPWSTR WINAPI SdbpGetString(PDB pdb, TAGID tagid, PDWORD size)
}
/* Optionally read string size */
if (size && !SdbpReadData(pdb, size, tagid + sizeof(TAG), sizeof(*size)))
if (size && !SdbpReadData(pdb, size, offset - sizeof(TAGID), sizeof(*size)))
return FALSE;
return (LPWSTR)(&pdb->data[offset]);