mirror of
https://github.com/reactos/reactos.git
synced 2025-02-23 17:05:46 +00:00
e151ef9ae1
- Use LIST_ENTRY instead of custom list pointers; - Fix key/section unlinking before freeing.
1081 lines
25 KiB
C
1081 lines
25 KiB
C
/*
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* PROJECT: ReactOS Setup Library
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: INI file parser that caches contents of INI file in memory.
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* COPYRIGHT: Copyright 2002-2018 Royce Mitchell III
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*/
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/* INCLUDES *****************************************************************/
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#include "precomp.h"
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#include "inicache.h"
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#define NDEBUG
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#include <debug.h>
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/* PRIVATE FUNCTIONS ********************************************************/
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static VOID
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IniCacheFreeKey(
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_In_ PINI_KEYWORD Key)
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{
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/* Unlink the key */
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RemoveEntryList(&Key->ListEntry);
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/* Free its data */
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if (Key->Name)
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RtlFreeHeap(ProcessHeap, 0, Key->Name);
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if (Key->Data)
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RtlFreeHeap(ProcessHeap, 0, Key->Data);
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RtlFreeHeap(ProcessHeap, 0, Key);
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}
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static VOID
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IniCacheFreeSection(
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_In_ PINI_SECTION Section)
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{
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/* Unlink the section */
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RemoveEntryList(&Section->ListEntry);
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/* Free its data */
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while (!IsListEmpty(&Section->KeyList))
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{
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PLIST_ENTRY Entry = RemoveHeadList(&Section->KeyList);
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PINI_KEYWORD Key = CONTAINING_RECORD(Entry, INI_KEYWORD, ListEntry);
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IniCacheFreeKey(Key);
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}
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if (Section->Name)
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RtlFreeHeap(ProcessHeap, 0, Section->Name);
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RtlFreeHeap(ProcessHeap, 0, Section);
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}
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static
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PINI_SECTION
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IniCacheFindSection(
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_In_ PINICACHE Cache,
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_In_ PCWSTR Name)
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{
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PLIST_ENTRY Entry;
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for (Entry = Cache->SectionList.Flink;
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Entry != &Cache->SectionList;
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Entry = Entry->Flink)
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{
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PINI_SECTION Section = CONTAINING_RECORD(Entry, INI_SECTION, ListEntry);
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if (_wcsicmp(Section->Name, Name) == 0)
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return Section;
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}
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return NULL;
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}
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static
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PINI_KEYWORD
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IniCacheFindKey(
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_In_ PINI_SECTION Section,
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_In_ PCWSTR Name)
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{
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PLIST_ENTRY Entry;
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for (Entry = Section->KeyList.Flink;
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Entry != &Section->KeyList;
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Entry = Entry->Flink)
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{
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PINI_KEYWORD Key = CONTAINING_RECORD(Entry, INI_KEYWORD, ListEntry);
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if (_wcsicmp(Key->Name, Name) == 0)
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return Key;
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}
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return NULL;
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}
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static
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PINI_KEYWORD
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IniCacheAddKeyAorW(
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_In_ PINI_SECTION Section,
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_In_ PINI_KEYWORD AnchorKey,
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_In_ INSERTION_TYPE InsertionType,
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_In_ const VOID* Name,
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_In_ ULONG NameLength,
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_In_ const VOID* Data,
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_In_ ULONG DataLength,
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_In_ BOOLEAN IsUnicode)
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{
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PINI_KEYWORD Key;
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PWSTR NameU, DataU;
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if (!Section || !Name || NameLength == 0 || !Data || DataLength == 0)
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{
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DPRINT("Invalid parameter\n");
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return NULL;
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}
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/* Allocate the UNICODE key name */
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NameU = (PWSTR)RtlAllocateHeap(ProcessHeap,
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0,
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(NameLength + 1) * sizeof(WCHAR));
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if (!NameU)
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{
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DPRINT("RtlAllocateHeap() failed\n");
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return NULL;
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}
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/* Copy the value name (ANSI or UNICODE) */
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if (IsUnicode)
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wcsncpy(NameU, (PCWCH)Name, NameLength);
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else
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_snwprintf(NameU, NameLength, L"%.*S", NameLength, (PCCH)Name);
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NameU[NameLength] = UNICODE_NULL;
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/*
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* Find whether a key with the given name already exists in the section.
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* If so, modify the data and return it; otherwise create a new one.
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*/
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Key = IniCacheFindKey(Section, NameU);
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if (Key)
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{
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RtlFreeHeap(ProcessHeap, 0, NameU);
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/* Modify the existing data */
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/* Allocate the UNICODE data buffer */
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DataU = (PWSTR)RtlAllocateHeap(ProcessHeap,
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0,
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(DataLength + 1) * sizeof(WCHAR));
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if (!DataU)
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{
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DPRINT("RtlAllocateHeap() failed\n");
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return NULL; // We failed, don't modify the original key.
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}
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/* Copy the data (ANSI or UNICODE) */
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if (IsUnicode)
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wcsncpy(DataU, (PCWCH)Data, DataLength);
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else
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_snwprintf(DataU, DataLength, L"%.*S", DataLength, (PCCH)Data);
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DataU[DataLength] = UNICODE_NULL;
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/* Swap the old key data with the new one */
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RtlFreeHeap(ProcessHeap, 0, Key->Data);
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Key->Data = DataU;
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/* Return the modified key */
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return Key;
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}
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/* Allocate the key buffer and name */
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Key = (PINI_KEYWORD)RtlAllocateHeap(ProcessHeap,
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HEAP_ZERO_MEMORY,
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sizeof(INI_KEYWORD));
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if (!Key)
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{
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DPRINT("RtlAllocateHeap() failed\n");
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RtlFreeHeap(ProcessHeap, 0, NameU);
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return NULL;
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}
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Key->Name = NameU;
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/* Allocate the UNICODE data buffer */
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DataU = (PWSTR)RtlAllocateHeap(ProcessHeap,
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0,
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(DataLength + 1) * sizeof(WCHAR));
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if (!DataU)
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{
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DPRINT("RtlAllocateHeap() failed\n");
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RtlFreeHeap(ProcessHeap, 0, NameU);
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RtlFreeHeap(ProcessHeap, 0, Key);
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return NULL;
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}
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/* Copy the data (ANSI or UNICODE) */
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if (IsUnicode)
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wcsncpy(DataU, (PCWCH)Data, DataLength);
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else
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_snwprintf(DataU, DataLength, L"%.*S", DataLength, (PCCH)Data);
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DataU[DataLength] = UNICODE_NULL;
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Key->Data = DataU;
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/* Insert the key into section */
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if (IsListEmpty(&Section->KeyList))
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{
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InsertHeadList(&Section->KeyList, &Key->ListEntry);
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}
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else if ((InsertionType == INSERT_FIRST) ||
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((InsertionType == INSERT_BEFORE) &&
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(!AnchorKey || (&AnchorKey->ListEntry == Section->KeyList.Flink))))
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{
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/* Insert at the head of the list */
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InsertHeadList(&Section->KeyList, &Key->ListEntry);
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}
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else if ((InsertionType == INSERT_BEFORE) && AnchorKey)
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{
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/* Insert before the anchor key */
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InsertTailList(&AnchorKey->ListEntry, &Key->ListEntry);
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}
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else if ((InsertionType == INSERT_LAST) ||
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((InsertionType == INSERT_AFTER) &&
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(!AnchorKey || (&AnchorKey->ListEntry == Section->KeyList.Blink))))
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{
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/* Insert at the tail of the list */
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InsertTailList(&Section->KeyList, &Key->ListEntry);
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}
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else if ((InsertionType == INSERT_AFTER) && AnchorKey)
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{
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/* Insert after the anchor key */
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InsertHeadList(&AnchorKey->ListEntry, &Key->ListEntry);
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}
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return Key;
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}
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static
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PINI_SECTION
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IniCacheAddSectionAorW(
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_In_ PINICACHE Cache,
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_In_ const VOID* Name,
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_In_ ULONG NameLength,
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_In_ BOOLEAN IsUnicode)
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{
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PINI_SECTION Section;
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PWSTR NameU;
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if (!Cache || !Name || NameLength == 0)
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{
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DPRINT("Invalid parameter\n");
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return NULL;
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}
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/* Allocate the UNICODE section name */
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NameU = (PWSTR)RtlAllocateHeap(ProcessHeap,
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0,
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(NameLength + 1) * sizeof(WCHAR));
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if (!NameU)
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{
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DPRINT("RtlAllocateHeap() failed\n");
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return NULL;
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}
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/* Copy the section name (ANSI or UNICODE) */
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if (IsUnicode)
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wcsncpy(NameU, (PCWCH)Name, NameLength);
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else
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_snwprintf(NameU, NameLength, L"%.*S", NameLength, (PCCH)Name);
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NameU[NameLength] = UNICODE_NULL;
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/*
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* Find whether a section with the given name already exists.
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* If so, just return it; otherwise create a new one.
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*/
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Section = IniCacheFindSection(Cache, NameU);
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if (Section)
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{
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RtlFreeHeap(ProcessHeap, 0, NameU);
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return Section;
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}
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/* Allocate the section buffer and name */
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Section = (PINI_SECTION)RtlAllocateHeap(ProcessHeap,
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HEAP_ZERO_MEMORY,
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sizeof(INI_SECTION));
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if (!Section)
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{
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DPRINT("RtlAllocateHeap() failed\n");
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RtlFreeHeap(ProcessHeap, 0, NameU);
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return NULL;
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}
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Section->Name = NameU;
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InitializeListHead(&Section->KeyList);
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/* Append the section */
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InsertTailList(&Cache->SectionList, &Section->ListEntry);
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return Section;
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}
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static
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PCHAR
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IniCacheSkipWhitespace(
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PCHAR Ptr)
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{
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while (*Ptr != 0 && isspace(*Ptr))
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Ptr++;
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return (*Ptr == 0) ? NULL : Ptr;
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}
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static
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PCHAR
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IniCacheSkipToNextSection(
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PCHAR Ptr)
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{
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while (*Ptr != 0 && *Ptr != '[')
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{
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while (*Ptr != 0 && *Ptr != L'\n')
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{
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Ptr++;
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}
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Ptr++;
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}
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return (*Ptr == 0) ? NULL : Ptr;
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}
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static
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PCHAR
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IniCacheGetSectionName(
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PCHAR Ptr,
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PCHAR *NamePtr,
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PULONG NameSize)
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{
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ULONG Size = 0;
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*NamePtr = NULL;
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*NameSize = 0;
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/* Skip whitespace */
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while (*Ptr != 0 && isspace(*Ptr))
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{
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Ptr++;
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}
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*NamePtr = Ptr;
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while (*Ptr != 0 && *Ptr != ']')
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{
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Size++;
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Ptr++;
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}
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Ptr++;
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while (*Ptr != 0 && *Ptr != L'\n')
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{
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Ptr++;
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}
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Ptr++;
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*NameSize = Size;
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DPRINT("SectionName: '%.*s'\n", Size, *NamePtr);
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return Ptr;
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}
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static
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PCHAR
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IniCacheGetKeyName(
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PCHAR Ptr,
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PCHAR *NamePtr,
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PULONG NameSize)
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{
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ULONG Size = 0;
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*NamePtr = NULL;
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*NameSize = 0;
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while (Ptr && *Ptr)
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{
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*NamePtr = NULL;
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*NameSize = 0;
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Size = 0;
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/* Skip whitespace and empty lines */
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while (isspace(*Ptr) || *Ptr == '\n' || *Ptr == '\r')
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{
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Ptr++;
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}
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if (*Ptr == 0)
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{
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continue;
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}
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*NamePtr = Ptr;
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while (*Ptr != 0 && !isspace(*Ptr) && *Ptr != '=' && *Ptr != ';')
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{
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Size++;
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Ptr++;
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}
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if (*Ptr == ';')
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{
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while (*Ptr != 0 && *Ptr != '\r' && *Ptr != '\n')
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{
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Ptr++;
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}
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}
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else
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{
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*NameSize = Size;
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break;
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}
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}
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return Ptr;
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}
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static
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PCHAR
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IniCacheGetKeyValue(
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PCHAR Ptr,
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PCHAR *DataPtr,
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PULONG DataSize,
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BOOLEAN String)
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{
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ULONG Size = 0;
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*DataPtr = NULL;
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*DataSize = 0;
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/* Skip whitespace */
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while (*Ptr != 0 && isspace(*Ptr))
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{
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Ptr++;
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}
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/* Check and skip '=' */
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if (*Ptr != '=')
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{
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return NULL;
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}
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Ptr++;
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/* Skip whitespace */
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while (*Ptr != 0 && isspace(*Ptr))
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{
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Ptr++;
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}
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if (*Ptr == '"' && String)
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{
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Ptr++;
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/* Get data */
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*DataPtr = Ptr;
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while (*Ptr != '"')
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{
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Ptr++;
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Size++;
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}
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Ptr++;
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while (*Ptr && *Ptr != '\r' && *Ptr != '\n')
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{
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Ptr++;
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}
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}
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else
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{
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/* Get data */
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*DataPtr = Ptr;
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while (*Ptr != 0 && *Ptr != '\r' && *Ptr != ';')
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{
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Ptr++;
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Size++;
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}
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}
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/* Skip to next line */
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if (*Ptr == '\r')
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Ptr++;
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if (*Ptr == '\n')
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Ptr++;
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*DataSize = Size;
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return Ptr;
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}
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/* PUBLIC FUNCTIONS *********************************************************/
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NTSTATUS
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IniCacheLoadFromMemory(
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PINICACHE *Cache,
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PCHAR FileBuffer,
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ULONG FileLength,
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BOOLEAN String)
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{
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PCHAR Ptr;
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PINI_SECTION Section;
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PINI_KEYWORD Key;
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PCHAR SectionName;
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ULONG SectionNameSize;
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PCHAR KeyName;
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ULONG KeyNameSize;
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PCHAR KeyValue;
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ULONG KeyValueSize;
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/* Allocate inicache header */
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*Cache = IniCacheCreate();
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if (!*Cache)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* Parse ini file */
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Section = NULL;
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Ptr = FileBuffer;
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while (Ptr != NULL && *Ptr != 0)
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{
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Ptr = IniCacheSkipWhitespace(Ptr);
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if (Ptr == NULL)
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continue;
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if (*Ptr == '[')
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{
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Section = NULL;
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Ptr++;
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Ptr = IniCacheGetSectionName(Ptr,
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&SectionName,
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&SectionNameSize);
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DPRINT("[%.*s]\n", SectionNameSize, SectionName);
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Section = IniCacheAddSectionAorW(*Cache,
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SectionName,
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SectionNameSize,
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FALSE);
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if (Section == NULL)
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{
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DPRINT("IniCacheAddSectionAorW() failed\n");
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Ptr = IniCacheSkipToNextSection(Ptr);
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continue;
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}
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}
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else
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{
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if (Section == NULL)
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{
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Ptr = IniCacheSkipToNextSection(Ptr);
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continue;
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}
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Ptr = IniCacheGetKeyName(Ptr,
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&KeyName,
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&KeyNameSize);
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|
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Ptr = IniCacheGetKeyValue(Ptr,
|
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&KeyValue,
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&KeyValueSize,
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String);
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DPRINT("'%.*s' = '%.*s'\n", KeyNameSize, KeyName, KeyValueSize, KeyValue);
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Key = IniCacheAddKeyAorW(Section,
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NULL,
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INSERT_LAST,
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KeyName,
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KeyNameSize,
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KeyValue,
|
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KeyValueSize,
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FALSE);
|
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if (Key == NULL)
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{
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DPRINT("IniCacheAddKeyAorW() failed\n");
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}
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}
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}
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return STATUS_SUCCESS;
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}
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|
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NTSTATUS
|
|
IniCacheLoadByHandle(
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PINICACHE *Cache,
|
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HANDLE FileHandle,
|
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BOOLEAN String)
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|
{
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NTSTATUS Status;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
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FILE_STANDARD_INFORMATION FileInfo;
|
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PCHAR FileBuffer;
|
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ULONG FileLength;
|
|
LARGE_INTEGER FileOffset;
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|
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*Cache = NULL;
|
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|
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/* Query file size */
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Status = NtQueryInformationFile(FileHandle,
|
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&IoStatusBlock,
|
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&FileInfo,
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sizeof(FILE_STANDARD_INFORMATION),
|
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FileStandardInformation);
|
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if (!NT_SUCCESS(Status))
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|
{
|
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DPRINT("NtQueryInformationFile() failed (Status %lx)\n", Status);
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return Status;
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}
|
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|
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FileLength = FileInfo.EndOfFile.u.LowPart;
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|
|
DPRINT("File size: %lu\n", FileLength);
|
|
|
|
/* Allocate file buffer with NULL-terminator */
|
|
FileBuffer = (PCHAR)RtlAllocateHeap(ProcessHeap,
|
|
0,
|
|
FileLength + 1);
|
|
if (FileBuffer == NULL)
|
|
{
|
|
DPRINT1("RtlAllocateHeap() failed\n");
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
|
}
|
|
|
|
/* Read file */
|
|
FileOffset.QuadPart = 0ULL;
|
|
Status = NtReadFile(FileHandle,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&IoStatusBlock,
|
|
FileBuffer,
|
|
FileLength,
|
|
&FileOffset,
|
|
NULL);
|
|
|
|
/* Append NULL-terminator */
|
|
FileBuffer[FileLength] = 0;
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT("NtReadFile() failed (Status %lx)\n", Status);
|
|
goto Quit;
|
|
}
|
|
|
|
Status = IniCacheLoadFromMemory(Cache, FileBuffer, FileLength, String);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT1("IniCacheLoadFromMemory() failed (Status %lx)\n", Status);
|
|
}
|
|
|
|
Quit:
|
|
/* Free the file buffer, and return */
|
|
RtlFreeHeap(ProcessHeap, 0, FileBuffer);
|
|
return Status;
|
|
}
|
|
|
|
NTSTATUS
|
|
IniCacheLoad(
|
|
PINICACHE *Cache,
|
|
PWCHAR FileName,
|
|
BOOLEAN String)
|
|
{
|
|
NTSTATUS Status;
|
|
UNICODE_STRING Name;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
HANDLE FileHandle;
|
|
|
|
*Cache = NULL;
|
|
|
|
/* Open the INI file */
|
|
RtlInitUnicodeString(&Name, FileName);
|
|
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&Name,
|
|
OBJ_CASE_INSENSITIVE,
|
|
NULL,
|
|
NULL);
|
|
|
|
Status = NtOpenFile(&FileHandle,
|
|
FILE_GENERIC_READ | SYNCHRONIZE,
|
|
&ObjectAttributes,
|
|
&IoStatusBlock,
|
|
FILE_SHARE_READ,
|
|
FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT("NtOpenFile() failed (Status %lx)\n", Status);
|
|
return Status;
|
|
}
|
|
|
|
DPRINT("NtOpenFile() successful\n");
|
|
|
|
Status = IniCacheLoadByHandle(Cache, FileHandle, String);
|
|
|
|
/* Close the INI file */
|
|
NtClose(FileHandle);
|
|
return Status;
|
|
}
|
|
|
|
VOID
|
|
IniCacheDestroy(
|
|
_In_ PINICACHE Cache)
|
|
{
|
|
if (!Cache)
|
|
return;
|
|
|
|
while (!IsListEmpty(&Cache->SectionList))
|
|
{
|
|
PLIST_ENTRY Entry = RemoveHeadList(&Cache->SectionList);
|
|
PINI_SECTION Section = CONTAINING_RECORD(Entry, INI_SECTION, ListEntry);
|
|
IniCacheFreeSection(Section);
|
|
}
|
|
|
|
RtlFreeHeap(ProcessHeap, 0, Cache);
|
|
}
|
|
|
|
|
|
PINI_SECTION
|
|
IniGetSection(
|
|
_In_ PINICACHE Cache,
|
|
_In_ PCWSTR Name)
|
|
{
|
|
if (!Cache || !Name)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return NULL;
|
|
}
|
|
return IniCacheFindSection(Cache, Name);
|
|
}
|
|
|
|
PINI_KEYWORD
|
|
IniGetKey(
|
|
_In_ PINI_SECTION Section,
|
|
_In_ PCWSTR KeyName,
|
|
_Out_ PCWSTR* KeyData)
|
|
{
|
|
PINI_KEYWORD Key;
|
|
|
|
if (!Section || !KeyName || !KeyData)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return NULL;
|
|
}
|
|
|
|
*KeyData = NULL;
|
|
|
|
Key = IniCacheFindKey(Section, KeyName);
|
|
if (!Key)
|
|
return NULL;
|
|
|
|
*KeyData = Key->Data;
|
|
|
|
return Key;
|
|
}
|
|
|
|
|
|
PINICACHEITERATOR
|
|
IniFindFirstValue(
|
|
_In_ PINI_SECTION Section,
|
|
_Out_ PCWSTR* KeyName,
|
|
_Out_ PCWSTR* KeyData)
|
|
{
|
|
PINICACHEITERATOR Iterator;
|
|
PLIST_ENTRY Entry;
|
|
PINI_KEYWORD Key;
|
|
|
|
if (!Section || !KeyName || !KeyData)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return NULL;
|
|
}
|
|
|
|
Entry = Section->KeyList.Flink;
|
|
if (Entry == &Section->KeyList)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return NULL;
|
|
}
|
|
Key = CONTAINING_RECORD(Entry, INI_KEYWORD, ListEntry);
|
|
|
|
Iterator = (PINICACHEITERATOR)RtlAllocateHeap(ProcessHeap,
|
|
0,
|
|
sizeof(INICACHEITERATOR));
|
|
if (!Iterator)
|
|
{
|
|
DPRINT("RtlAllocateHeap() failed\n");
|
|
return NULL;
|
|
}
|
|
Iterator->Section = Section;
|
|
Iterator->Key = Key;
|
|
|
|
*KeyName = Key->Name;
|
|
*KeyData = Key->Data;
|
|
|
|
return Iterator;
|
|
}
|
|
|
|
BOOLEAN
|
|
IniFindNextValue(
|
|
_In_ PINICACHEITERATOR Iterator,
|
|
_Out_ PCWSTR* KeyName,
|
|
_Out_ PCWSTR* KeyData)
|
|
{
|
|
PLIST_ENTRY Entry;
|
|
PINI_KEYWORD Key;
|
|
|
|
if (!Iterator || !KeyName || !KeyData)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return FALSE;
|
|
}
|
|
|
|
Entry = Iterator->Key->ListEntry.Flink;
|
|
if (Entry == &Iterator->Section->KeyList)
|
|
{
|
|
DPRINT("No more entries\n");
|
|
return FALSE;
|
|
}
|
|
Key = CONTAINING_RECORD(Entry, INI_KEYWORD, ListEntry);
|
|
|
|
Iterator->Key = Key;
|
|
|
|
*KeyName = Key->Name;
|
|
*KeyData = Key->Data;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
VOID
|
|
IniFindClose(
|
|
_In_ PINICACHEITERATOR Iterator)
|
|
{
|
|
if (!Iterator)
|
|
return;
|
|
RtlFreeHeap(ProcessHeap, 0, Iterator);
|
|
}
|
|
|
|
|
|
PINI_SECTION
|
|
IniAddSection(
|
|
_In_ PINICACHE Cache,
|
|
_In_ PCWSTR Name)
|
|
{
|
|
if (!Cache || !Name || !*Name)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return NULL;
|
|
}
|
|
return IniCacheAddSectionAorW(Cache, Name, wcslen(Name), TRUE);
|
|
}
|
|
|
|
VOID
|
|
IniRemoveSection(
|
|
_In_ PINI_SECTION Section)
|
|
{
|
|
if (!Section)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return;
|
|
}
|
|
IniCacheFreeSection(Section);
|
|
}
|
|
|
|
PINI_KEYWORD
|
|
IniInsertKey(
|
|
_In_ PINI_SECTION Section,
|
|
_In_ PINI_KEYWORD AnchorKey,
|
|
_In_ INSERTION_TYPE InsertionType,
|
|
_In_ PCWSTR Name,
|
|
_In_ PCWSTR Data)
|
|
{
|
|
if (!Section || !Name || !*Name || !Data || !*Data)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return NULL;
|
|
}
|
|
return IniCacheAddKeyAorW(Section,
|
|
AnchorKey, InsertionType,
|
|
Name, wcslen(Name),
|
|
Data, wcslen(Data),
|
|
TRUE);
|
|
}
|
|
|
|
PINI_KEYWORD
|
|
IniAddKey(
|
|
_In_ PINI_SECTION Section,
|
|
_In_ PCWSTR Name,
|
|
_In_ PCWSTR Data)
|
|
{
|
|
return IniInsertKey(Section, NULL, INSERT_LAST, Name, Data);
|
|
}
|
|
|
|
VOID
|
|
IniRemoveKeyByName(
|
|
_In_ PINI_SECTION Section,
|
|
_In_ PCWSTR KeyName)
|
|
{
|
|
PINI_KEYWORD Key;
|
|
UNREFERENCED_PARAMETER(Section);
|
|
|
|
Key = IniCacheFindKey(Section, KeyName);
|
|
if (Key)
|
|
IniCacheFreeKey(Key);
|
|
}
|
|
|
|
VOID
|
|
IniRemoveKey(
|
|
_In_ PINI_SECTION Section,
|
|
_In_ PINI_KEYWORD Key)
|
|
{
|
|
UNREFERENCED_PARAMETER(Section);
|
|
if (!Key)
|
|
{
|
|
DPRINT("Invalid parameter\n");
|
|
return;
|
|
}
|
|
IniCacheFreeKey(Key);
|
|
}
|
|
|
|
PINICACHE
|
|
IniCacheCreate(VOID)
|
|
{
|
|
PINICACHE Cache;
|
|
|
|
/* Allocate inicache header */
|
|
Cache = (PINICACHE)RtlAllocateHeap(ProcessHeap,
|
|
HEAP_ZERO_MEMORY,
|
|
sizeof(INICACHE));
|
|
if (!Cache)
|
|
{
|
|
DPRINT("RtlAllocateHeap() failed\n");
|
|
return NULL;
|
|
}
|
|
InitializeListHead(&Cache->SectionList);
|
|
|
|
return Cache;
|
|
}
|
|
|
|
NTSTATUS
|
|
IniCacheSaveByHandle(
|
|
PINICACHE Cache,
|
|
HANDLE FileHandle)
|
|
{
|
|
NTSTATUS Status;
|
|
PLIST_ENTRY Entry1, Entry2;
|
|
PINI_SECTION Section;
|
|
PINI_KEYWORD Key;
|
|
ULONG BufferSize;
|
|
PCHAR Buffer;
|
|
PCHAR Ptr;
|
|
ULONG Len;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
LARGE_INTEGER Offset;
|
|
|
|
/* Calculate required buffer size */
|
|
BufferSize = 0;
|
|
Entry1 = Cache->SectionList.Flink;
|
|
while (Entry1 != &Cache->SectionList)
|
|
{
|
|
Section = CONTAINING_RECORD(Entry1, INI_SECTION, ListEntry);
|
|
BufferSize += (Section->Name ? wcslen(Section->Name) : 0)
|
|
+ 4; /* "[]\r\n" */
|
|
|
|
Entry2 = Section->KeyList.Flink;
|
|
while (Entry2 != &Section->KeyList)
|
|
{
|
|
Key = CONTAINING_RECORD(Entry2, INI_KEYWORD, ListEntry);
|
|
BufferSize += wcslen(Key->Name)
|
|
+ (Key->Data ? wcslen(Key->Data) : 0)
|
|
+ 3; /* "=\r\n" */
|
|
Entry2 = Entry2->Flink;
|
|
}
|
|
|
|
Entry1 = Entry1->Flink;
|
|
if (Entry1 != &Cache->SectionList)
|
|
BufferSize += 2; /* Extra "\r\n" at end of each section */
|
|
}
|
|
|
|
DPRINT("BufferSize: %lu\n", BufferSize);
|
|
|
|
/* Allocate file buffer with NULL-terminator */
|
|
Buffer = (PCHAR)RtlAllocateHeap(ProcessHeap,
|
|
HEAP_ZERO_MEMORY,
|
|
BufferSize + 1);
|
|
if (Buffer == NULL)
|
|
{
|
|
DPRINT1("RtlAllocateHeap() failed\n");
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
|
}
|
|
|
|
/* Fill file buffer */
|
|
Ptr = Buffer;
|
|
Entry1 = Cache->SectionList.Flink;
|
|
while (Entry1 != &Cache->SectionList)
|
|
{
|
|
Section = CONTAINING_RECORD(Entry1, INI_SECTION, ListEntry);
|
|
Len = sprintf(Ptr, "[%S]\r\n", Section->Name);
|
|
Ptr += Len;
|
|
|
|
Entry2 = Section->KeyList.Flink;
|
|
while (Entry2 != &Section->KeyList)
|
|
{
|
|
Key = CONTAINING_RECORD(Entry2, INI_KEYWORD, ListEntry);
|
|
Len = sprintf(Ptr, "%S=%S\r\n", Key->Name, Key->Data);
|
|
Ptr += Len;
|
|
Entry2 = Entry2->Flink;
|
|
}
|
|
|
|
Entry1 = Entry1->Flink;
|
|
if (Entry1 != &Cache->SectionList)
|
|
{
|
|
Len = sprintf(Ptr, "\r\n");
|
|
Ptr += Len;
|
|
}
|
|
}
|
|
|
|
/* Write to the INI file */
|
|
Offset.QuadPart = 0LL;
|
|
Status = NtWriteFile(FileHandle,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&IoStatusBlock,
|
|
Buffer,
|
|
BufferSize,
|
|
&Offset,
|
|
NULL);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT("NtWriteFile() failed (Status %lx)\n", Status);
|
|
RtlFreeHeap(ProcessHeap, 0, Buffer);
|
|
return Status;
|
|
}
|
|
|
|
RtlFreeHeap(ProcessHeap, 0, Buffer);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
IniCacheSave(
|
|
PINICACHE Cache,
|
|
PWCHAR FileName)
|
|
{
|
|
NTSTATUS Status;
|
|
UNICODE_STRING Name;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
HANDLE FileHandle;
|
|
|
|
/* Create the INI file */
|
|
RtlInitUnicodeString(&Name, FileName);
|
|
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&Name,
|
|
OBJ_CASE_INSENSITIVE,
|
|
NULL,
|
|
NULL);
|
|
|
|
Status = NtCreateFile(&FileHandle,
|
|
FILE_GENERIC_WRITE | SYNCHRONIZE,
|
|
&ObjectAttributes,
|
|
&IoStatusBlock,
|
|
NULL,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
0,
|
|
FILE_SUPERSEDE,
|
|
FILE_SYNCHRONOUS_IO_NONALERT | FILE_SEQUENTIAL_ONLY | FILE_NON_DIRECTORY_FILE,
|
|
NULL,
|
|
0);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT("NtCreateFile() failed (Status %lx)\n", Status);
|
|
return Status;
|
|
}
|
|
|
|
Status = IniCacheSaveByHandle(Cache, FileHandle);
|
|
|
|
/* Close the INI file */
|
|
NtClose(FileHandle);
|
|
return Status;
|
|
}
|
|
|
|
/* EOF */
|