[ros-diffs] [janderwald] 32117: - implement GetConsoleAlias* AddConsoleAlias function in csrss -
janderwald at svn.reactos.org
janderwald at svn.reactos.org
Mon Feb 4 19:57:19 CET 2008
Author: janderwald
Date: Mon Feb 4 21:57:19 2008
New Revision: 32117
URL: http://svn.reactos.org/svn/reactos?rev=32117&view=rev
Log:
- implement GetConsoleAlias* AddConsoleAlias function in csrss
-
Added:
trunk/reactos/subsystems/win32/csrss/api/alias.c (with props)
Modified:
trunk/reactos/subsystems/win32/csrss/csrss.rbuild
trunk/reactos/subsystems/win32/csrss/include/api.h
trunk/reactos/subsystems/win32/csrss/init.c
Added: trunk/reactos/subsystems/win32/csrss/api/alias.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/csrss/api/alias.c?rev=32117&view=auto
==============================================================================
--- trunk/reactos/subsystems/win32/csrss/api/alias.c (added)
+++ trunk/reactos/subsystems/win32/csrss/api/alias.c Mon Feb 4 21:57:19 2008
@@ -1,0 +1,475 @@
+/* $Id: init.c 31400 2007-12-22 17:18:32Z fireball $
+ * PROJECT: ReactOS CSRSS
+ * LICENSE: GPL - See COPYING in the top level directory
+ * FILE: subsystems/win32/csrss/api/alias.c
+ * PURPOSE: CSRSS alias support functions
+ * COPYRIGHT: Christoph Wittich
+ * Johannes Anderwald
+ *
+ */
+
+
+/* INCLUDES ******************************************************************/
+
+#include <csrss.h>
+
+#define NDEBUG
+#include <debug.h>
+
+typedef struct tagALIAS_ENTRY
+{
+ LPCWSTR lpSource;
+ LPCWSTR lpTarget;
+ struct tagALIAS_ENTRY * Next;
+}ALIAS_ENTRY, *PALIAS_ENTRY;
+
+
+typedef struct tagALIAS_HEADER
+{
+ LPCWSTR lpExeName;
+ PALIAS_ENTRY Data;
+ struct tagALIAS_HEADER * Next;
+
+}ALIAS_HEADER, *PALIAS_HEADER;
+
+static PALIAS_HEADER RootHeader = NULL;
+
+static
+PALIAS_HEADER
+IntFindAliasHeader(PALIAS_HEADER RootHeader, LPCWSTR lpExeName)
+{
+ while(RootHeader)
+ {
+ INT diff = _wcsicmp(RootHeader->lpExeName, lpExeName);
+ if (!diff)
+ return RootHeader;
+
+ if (diff < 0)
+ break;
+
+ RootHeader = RootHeader->Next;
+ }
+ return NULL;
+}
+
+PALIAS_HEADER
+IntCreateAliasHeader(LPCWSTR lpExeName)
+{
+ PALIAS_HEADER Entry;
+ UINT dwLength = wcslen(lpExeName) + 1;
+
+ Entry = RtlAllocateHeap(CsrssApiHeap, 0, sizeof(ALIAS_HEADER) + sizeof(WCHAR) * dwLength);
+ if (!Entry)
+ return Entry;
+
+ Entry->lpExeName = (LPCWSTR)(Entry + sizeof(ALIAS_HEADER));
+ wcscpy((WCHAR*)Entry->lpExeName, lpExeName);
+ Entry->Next = NULL;
+ return Entry;
+}
+
+VOID
+IntInsertAliasHeader(PALIAS_HEADER * RootHeader, PALIAS_HEADER NewHeader)
+{
+ PALIAS_HEADER CurrentHeader;
+ PALIAS_HEADER LastHeader = NULL;
+
+ if (*RootHeader == 0)
+ {
+ *RootHeader = NewHeader;
+ return;
+ }
+
+ CurrentHeader = *RootHeader;
+
+ while(CurrentHeader)
+ {
+ INT Diff = _wcsicmp(NewHeader->lpExeName, CurrentHeader->lpExeName);
+ if (Diff < 0)
+ {
+ if (!LastHeader)
+ *RootHeader = NewHeader;
+ else
+ LastHeader->Next = NewHeader;
+
+ NewHeader->Next = CurrentHeader;
+ return;
+ }
+ LastHeader = CurrentHeader;
+ CurrentHeader = CurrentHeader->Next;
+ }
+
+ LastHeader->Next = NewHeader;
+ NewHeader->Next = NULL;
+}
+
+PALIAS_ENTRY
+IntGetAliasEntry(PALIAS_HEADER Header, LPCWSTR lpSrcName)
+{
+ PALIAS_ENTRY RootHeader = Header->Data;
+ while(RootHeader)
+ {
+ INT diff = _wcsicmp(RootHeader->lpSource, lpSrcName);
+ if (!diff)
+ return RootHeader;
+
+ if (diff < 0)
+ break;
+
+ RootHeader = RootHeader->Next;
+ }
+ return NULL;
+}
+
+
+VOID
+IntInsertAliasEntry(PALIAS_HEADER Header, PALIAS_ENTRY NewEntry)
+{
+ PALIAS_ENTRY CurrentEntry;
+ PALIAS_ENTRY LastEntry = NULL;
+
+ CurrentEntry = Header->Data;
+
+ if (!CurrentEntry)
+ {
+ Header->Data = NewEntry;
+ return;
+ }
+
+ while(CurrentEntry)
+ {
+ INT Diff = _wcsicmp(NewEntry->lpSource, CurrentEntry->lpSource);
+ if (Diff < 0)
+ {
+ if (!LastEntry)
+ Header->Data = NewEntry;
+ else
+ LastEntry->Next = NewEntry;
+ NewEntry->Next = CurrentEntry;
+ return;
+ }
+ LastEntry = CurrentEntry;
+ CurrentEntry = CurrentEntry->Next;
+ }
+
+ LastEntry->Next = NewEntry;
+ NewEntry->Next = NULL;
+}
+
+PALIAS_ENTRY
+IntCreateAliasEntry(LPCWSTR lpSource, LPCWSTR lpTarget)
+{
+ UINT dwSource;
+ UINT dwTarget;
+ PALIAS_ENTRY Entry;
+
+ dwSource = wcslen(lpSource) + 1;
+ dwTarget = wcslen(lpTarget) + 1;
+
+ Entry = RtlAllocateHeap(CsrssApiHeap, 0, sizeof(ALIAS_ENTRY) + sizeof(WCHAR) * (dwSource + dwTarget));
+ if (!Entry)
+ return Entry;
+
+ Entry->lpSource = (LPCWSTR)(Entry + sizeof(ALIAS_ENTRY));
+ wcscpy((LPWSTR)Entry->lpSource, lpSource);
+ Entry->lpTarget = Entry->lpSource + dwSource;
+ wcscpy((LPWSTR)Entry->lpTarget, lpTarget);
+ Entry->Next = NULL;
+
+ return Entry;
+}
+
+UINT
+IntGetConsoleAliasesExesLength(PALIAS_HEADER RootHeader)
+{
+ UINT length = 0;
+
+ while(RootHeader)
+ {
+ length += (wcslen(RootHeader->lpExeName) + 1) * sizeof(WCHAR);
+ }
+ if (length)
+ length++; // last entry entry is terminated with 2 zero bytes
+
+ return length;
+}
+
+UINT
+IntGetConsoleAliasesExes(PALIAS_HEADER RootHeader, LPWSTR TargetBuffer, UINT TargetBufferSize)
+{
+ UINT Offset = 0;
+ UINT Length;
+
+ TargetBufferSize /= sizeof(WCHAR);
+ while(RootHeader)
+ {
+ Length = wcslen(RootHeader->lpExeName) + 1;
+ if (TargetBufferSize > Offset + Length)
+ {
+ wcscpy(&TargetBuffer[Offset], RootHeader->lpExeName);
+ Offset += Length;
+ }
+ else
+ {
+ break;
+ }
+ RootHeader = RootHeader->Next;
+ }
+ Length = min(Offset+1, TargetBufferSize);
+ TargetBuffer[Length] = L'\0';
+ return Length * sizeof(WCHAR);
+}
+
+UINT
+IntGetAllConsoleAliasesLength(PALIAS_HEADER Header)
+{
+ UINT Length = 0;
+ PALIAS_ENTRY CurEntry = Header->Data;
+
+ while(CurEntry)
+ {
+ Length += wcslen(CurEntry->lpSource);
+ Length += wcslen(CurEntry->lpTarget);
+ Length += 2; // zero byte and '='
+ }
+ if (Length)
+ Length++; // extra zero
+
+ return sizeof(WCHAR) * Length;
+}
+UINT
+IntGetAllConsoleAliases(PALIAS_HEADER Header, LPWSTR TargetBuffer, UINT TargetBufferLength)
+{
+ PALIAS_ENTRY CurEntry = Header->Data;
+ UINT Offset = 0;
+ UINT SrcLength, TargetLength;
+
+ TargetBufferLength /= sizeof(WCHAR);
+ while(CurEntry)
+ {
+ SrcLength = wcslen(CurEntry->lpSource) + 1;
+ TargetLength = wcslen(CurEntry->lpTarget) + 1;
+ if (Offset + TargetLength + SrcLength >= TargetBufferLength)
+ break;
+
+ wcscpy(&TargetBuffer[Offset], CurEntry->lpSource);
+ Offset += SrcLength;
+ TargetBuffer[Offset] = L'=';
+ wcscpy(&TargetBuffer[Offset], CurEntry->lpTarget);
+ Offset += TargetLength;
+
+ CurEntry = CurEntry->Next;
+ }
+ TargetBuffer[Offset] = L'\0';
+ return Offset * sizeof(WCHAR);
+}
+VOID
+IntDeleteAliasEntry(PALIAS_HEADER Header, PALIAS_ENTRY Entry)
+{
+ PALIAS_ENTRY LastEntry;
+ PALIAS_ENTRY CurEntry;
+
+ if (Header->Data == Entry)
+ {
+ Header->Data = Entry->Next;
+ RtlFreeHeap(CsrssApiHeap, 0, Entry);
+ return;
+ }
+ LastEntry = Header->Data;
+ CurEntry = LastEntry->Next;
+
+ while(CurEntry)
+ {
+ if (CurEntry == Entry)
+ {
+ LastEntry->Next = Entry->Next;
+ RtlFreeHeap(CsrssApiHeap, 0, Entry);
+ return;
+ }
+ LastEntry = CurEntry;
+ CurEntry = CurEntry->Next;
+ }
+}
+
+CSR_API(CsrAddConsoleAlias)
+{
+ PALIAS_HEADER Header;
+ PALIAS_ENTRY Entry;
+
+ if (Request->Data.AddConsoleAlias.lpExeName == NULL || Request->Data.AddConsoleAlias.lpSource == NULL)
+ {
+ Request->Status = STATUS_INVALID_PARAMETER;
+ return Request->Status;
+ }
+
+ Header = IntFindAliasHeader(RootHeader, Request->Data.AddConsoleAlias.lpExeName);
+ if (!Header)
+ {
+ Header = IntCreateAliasHeader(Request->Data.AddConsoleAlias.lpExeName);
+ if (!Header)
+ {
+ Request->Status = STATUS_INSUFFICIENT_RESOURCES;
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+ }
+
+ if (Request->Data.AddConsoleAlias.lpTarget == NULL) // delete the entry
+ {
+ Entry = IntGetAliasEntry(Header, Request->Data.AddConsoleAlias.lpSource);
+ if (Entry)
+ {
+ IntDeleteAliasEntry(Header, Entry);
+ Request->Status = STATUS_SUCCESS;
+ }
+ else
+ {
+ Request->Status = STATUS_INVALID_PARAMETER;
+ }
+
+ return Request->Status;
+ }
+
+ Entry = IntCreateAliasEntry(Request->Data.AddConsoleAlias.lpSource,
+ Request->Data.AddConsoleAlias.lpTarget);
+
+ if (!Entry)
+ {
+ Request->Status = STATUS_INSUFFICIENT_RESOURCES;
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ IntInsertAliasEntry(Header, Entry);
+
+ Request->Status = STATUS_SUCCESS;
+ return Request->Status;
+}
+
+CSR_API(CsrGetConsoleAlias)
+{
+ PALIAS_HEADER Header;
+ PALIAS_ENTRY Entry;
+ UINT Length;
+
+ if (Request->Data.GetConsoleAlias.lpExeName == NULL || Request->Data.GetConsoleAlias.TargetBuffer == NULL ||
+ Request->Data.GetConsoleAlias.TargetBufferLength == 0 || Request->Data.GetConsoleAlias.lpSource == NULL)
+ {
+ Request->Status = STATUS_INVALID_PARAMETER;
+ return Request->Status;
+ }
+
+ Header = IntFindAliasHeader(RootHeader, Request->Data.GetAllConsoleAlias.lpExeName);
+ if (!Header)
+ {
+ Request->Status = ERROR_NO_DATA; // FIXME
+ return ERROR_NO_DATA;
+ }
+
+ Entry = IntGetAliasEntry(Header, Request->Data.GetConsoleAlias.lpSource);
+ if (!Entry)
+ {
+ Request->Status = ERROR_NO_DATA; // FIXME
+ return ERROR_NO_DATA;
+ }
+
+ Length = (wcslen(Entry->lpTarget)+1) * sizeof(WCHAR);
+ if (Length > Request->Data.GetConsoleAlias.TargetBufferLength)
+ {
+ Request->Status = ERROR_INSUFFICIENT_BUFFER;
+ return ERROR_INSUFFICIENT_BUFFER;
+ }
+ wcscpy(Request->Data.GetConsoleAlias.TargetBuffer, Entry->lpTarget);
+ Request->Data.GetConsoleAlias.BytesWritten = Length;
+ Request->Status = STATUS_SUCCESS;
+ return STATUS_SUCCESS;
+}
+
+CSR_API(CsrGetAllConsoleAliases)
+{
+ ULONG BytesWritten;
+ PALIAS_HEADER Header;
+
+ if (Request->Data.GetAllConsoleAlias.lpExeName == NULL)
+ {
+ Request->Status = STATUS_INVALID_PARAMETER;
+ return Request->Status;
+ }
+
+ Header = IntFindAliasHeader(RootHeader, Request->Data.GetAllConsoleAlias.lpExeName);
+ if (!Header)
+ {
+ Request->Status = ERROR_NO_DATA; // FIXME
+ return ERROR_NO_DATA;
+ }
+
+ if (IntGetAllConsoleAliasesLength(Header) > Request->Data.GetAllConsoleAlias.AliasBufferLength)
+ {
+ Request->Status = ERROR_INSUFFICIENT_BUFFER;
+ return ERROR_INSUFFICIENT_BUFFER;
+ }
+
+ BytesWritten = IntGetAllConsoleAliases(Header,
+ Request->Data.GetAllConsoleAlias.AliasBuffer,
+ Request->Data.GetAllConsoleAlias.AliasBufferLength);
+
+ Request->Data.GetAllConsoleAlias.BytesWritten = BytesWritten;
+ Request->Status = STATUS_SUCCESS;
+ return STATUS_SUCCESS;
+}
+
+CSR_API(CsrGetAllConsoleAliasesLength)
+{
+ PALIAS_HEADER Header;
+ UINT Length;
+
+ if (Request->Data.GetAllConsoleAliasesLength.lpExeName == NULL)
+ {
+ Request->Status = STATUS_INVALID_PARAMETER;
+ return Request->Status;
+ }
+
+ Header = IntFindAliasHeader(RootHeader, Request->Data.GetAllConsoleAliasesLength.lpExeName);
+ if (!Header)
+ {
+ Request->Status = ERROR_NO_DATA; // FIXME
+ return ERROR_NO_DATA;
+ }
+
+ Length = IntGetAllConsoleAliasesLength(Header);
+ Request->Data.GetAllConsoleAliasesLength.Length = Length;
+ Request->Status = STATUS_SUCCESS;
+ return STATUS_SUCCESS;
+
+}
+
+CSR_API(CsrGetConsoleAliasesExes)
+{
+ UINT BytesWritten;
+ UINT ExesLength = IntGetConsoleAliasesExesLength(RootHeader);
+
+ if (ExesLength > Request->Data.GetConsoleAliasesExes.Length)
+ {
+ Request->Status = ERROR_INSUFFICIENT_BUFFER;
+ return ERROR_INSUFFICIENT_BUFFER;
+ }
+
+ if (Request->Data.GetConsoleAliasesExes.ExeNames == NULL)
+ {
+ Request->Status = STATUS_INVALID_PARAMETER;
+ return Request->Status;
+ }
+
+ BytesWritten = IntGetConsoleAliasesExes(RootHeader,
+ Request->Data.GetConsoleAliasesExes.ExeNames,
+ Request->Data.GetConsoleAliasesExes.Length);
+
+ Request->Data.GetConsoleAliasesExes.BytesWritten = BytesWritten;
+ Request->Status = STATUS_SUCCESS;
+ return Request->Status;
+}
+
+CSR_API(CsrGetConsoleAliasesExesLength)
+{
+ Request->Status = STATUS_SUCCESS;
+ Request->Data.GetConsoleAliasesExesLength.Length = IntGetConsoleAliasesExesLength(RootHeader);
+ return STATUS_SUCCESS;
+}
Propchange: trunk/reactos/subsystems/win32/csrss/api/alias.c
------------------------------------------------------------------------------
svn:eol-style = native
Modified: trunk/reactos/subsystems/win32/csrss/csrss.rbuild
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/csrss/csrss.rbuild?rev=32117&r1=32116&r2=32117&view=diff
==============================================================================
--- trunk/reactos/subsystems/win32/csrss/csrss.rbuild (original)
+++ trunk/reactos/subsystems/win32/csrss/csrss.rbuild Mon Feb 4 21:57:19 2008
@@ -11,11 +11,13 @@
<library>nt</library>
<library>ntdll</library>
<library>smdll</library>
+ <library>msvcrt</library>
<directory name="api">
<file>handle.c</file>
<file>process.c</file>
<file>user.c</file>
<file>wapi.c</file>
+ <file>alias.c</file>
</directory>
<pch>csrss.h</pch>
<file>csrss.c</file>
Modified: trunk/reactos/subsystems/win32/csrss/include/api.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/csrss/include/api.h?rev=32117&r1=32116&r2=32117&view=diff
==============================================================================
--- trunk/reactos/subsystems/win32/csrss/include/api.h (original)
+++ trunk/reactos/subsystems/win32/csrss/include/api.h Mon Feb 4 21:57:19 2008
@@ -149,6 +149,14 @@
CSR_API(CsrSetLogonNotifyWindow);
CSR_API(CsrRegisterLogonProcess);
+CSR_API(CsrAddConsoleAlias);
+CSR_API(CsrGetConsoleAlias);
+CSR_API(CsrGetAllConsoleAliases);
+CSR_API(CsrGetAllConsoleAliasesLength);
+CSR_API(CsrGetConsoleAliasesExes);
+CSR_API(CsrGetConsoleAliasesExesLength);
+
+
#endif /* ndef API_H_INCLUDED */
/* EOF */
Modified: trunk/reactos/subsystems/win32/csrss/init.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/csrss/init.c?rev=32117&r1=32116&r2=32117&view=diff
==============================================================================
--- trunk/reactos/subsystems/win32/csrss/init.c (original)
+++ trunk/reactos/subsystems/win32/csrss/init.c Mon Feb 4 21:57:19 2008
@@ -293,6 +293,12 @@
CSRSS_DEFINE_API(VERIFY_HANDLE, CsrVerifyHandle),
CSRSS_DEFINE_API(DUPLICATE_HANDLE, CsrDuplicateHandle),
CSRSS_DEFINE_API(GET_INPUT_WAIT_HANDLE, CsrGetInputWaitHandle),
+ CSRSS_DEFINE_API(ADD_CONSOLE_ALIAS, CsrAddConsoleAlias),
+ CSRSS_DEFINE_API(GET_CONSOLE_ALIAS, CsrGetConsoleAlias),
+ CSRSS_DEFINE_API(GET_ALL_CONSOLE_ALIASES, CsrGetAllConsoleAliases),
+ CSRSS_DEFINE_API(GET_ALL_CONSOLE_ALIASES_LENGTH, CsrGetAllConsoleAliasesLength),
+ CSRSS_DEFINE_API(GET_CONSOLE_ALIASES_EXES, CsrGetConsoleAliasesExes),
+ CSRSS_DEFINE_API(GET_CONSOLE_ALIASES_EXES_LENGTH, CsrGetConsoleAliasesExesLength),
{ 0, 0, NULL }
};
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