415 lines
9.9 KiB
C
415 lines
9.9 KiB
C
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <shellapi.h>
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#include "dfsadmin.h"
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DFSSTATUS
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AddRootToPrefixTable(
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struct _DFS_PREFIX_TABLE **ppTable,
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PROOT_DEF pRoot );
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PLINK_DEF
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CreateNewLinkEntry(
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LPWSTR LinkName );
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PTARGET_DEF
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CreateNewTargetEntry(
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LPWSTR ServerName,
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LPWSTR ShareName,
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ULONG State );
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PLINK_DEF
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GetLinkEntry(
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struct _DFS_PREFIX_TABLE *pTable,
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LPWSTR NameString );
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PTARGET_DEF
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GetTargetEntry(
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PLINK_DEF pLink,
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LPWSTR ServerName,
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LPWSTR ShareName );
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PLINK_DEF
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MergeLinkInfo(
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PDFS_INFO_4 pBuf,
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struct _DFS_PREFIX_TABLE *pPrefixTable );
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DFSSTATUS
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DfsMerge (
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PROOT_DEF pRoot,
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LPWSTR NameSpace )
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{
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LPBYTE pBuffer = NULL;
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DWORD ResumeHandle = 0;
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DWORD EntriesRead = 0;
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DWORD PrefMaxLen = -1;
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DWORD Level = 4;
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DFSSTATUS Status;
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NTSTATUS NtStatus;
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PDFS_INFO_4 pCurrentBuffer;
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DWORD i;
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PLINK_DEF pGrownLinks = NULL, pLink;
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struct _DFS_PREFIX_TABLE *pPrefixTable;
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Status = AddRootToPrefixTable( &pPrefixTable,
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pRoot );
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if (Status != ERROR_SUCCESS)
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{
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printf("DfsVerify: create prefix table failed %x\n", Status);
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return Status;
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}
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if (DebugOut)
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{
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fwprintf(DebugOut, L"Contacting %wS for enumeration \n", NameSpace);
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}
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Status = NetDfsEnum( NameSpace,
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Level,
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PrefMaxLen,
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&pBuffer,
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&EntriesRead,
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&ResumeHandle);
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if (DebugOut)
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{
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fwprintf(DebugOut, L"Enumeration for %wS is complete %d entries\n",
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NameSpace,
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EntriesRead);
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}
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if (Status != ERROR_SUCCESS)
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{
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printf("Export: cannot enum %wS: error %x\n", NameSpace, Status);
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return Status;
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}
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pCurrentBuffer = (PDFS_INFO_4)pBuffer;
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NtStatus = DfsPrefixTableAcquireWriteLock( pPrefixTable);
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if (NtStatus != STATUS_SUCCESS)
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{
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printf("Unable to take prefix table lock, %x\n", NtStatus);
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return NtStatus;
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}
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for (i = 0; i < EntriesRead; i++)
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{
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pLink = MergeLinkInfo( pCurrentBuffer,
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pPrefixTable);
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if (pLink != NULL)
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{
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if (pGrownLinks == NULL)
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{
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pGrownLinks = pRoot->pLinks;
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}
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NEXT_LINK_OBJECT(pLink) = pGrownLinks;
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pGrownLinks = pLink;
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}
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pCurrentBuffer++;
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}
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DfsPrefixTableReleaseLock(pPrefixTable);
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if (pGrownLinks != NULL)
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{
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pRoot->pLinks = pGrownLinks;
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}
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return Status;
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}
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PTARGET_DEF
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CreateNewTargetEntry(
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LPWSTR ServerName,
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LPWSTR ShareName,
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ULONG State )
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{
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DFSSTATUS Status;
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UNICODE_STRING TargetName;
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PTARGET_DEF pTarget;
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Status = DfsCreateUnicodePathString( &TargetName,
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2, // unc path: 2 leading sep.
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ServerName,
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ShareName );
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if (Status == ERROR_SUCCESS)
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{
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pTarget = CreateTargetDef(IN_NAMESPACE, TargetName.Buffer, State);
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DfsFreeUnicodeString(&TargetName);
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}
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return pTarget;
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}
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PLINK_DEF
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CreateNewLinkEntry(
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LPWSTR LinkName )
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{
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PLINK_DEF pLink;
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pLink = CreateLinkDef(IN_NAMESPACE, LinkName, NULL);
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return pLink;
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}
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VOID
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UpdateLinkEntry(
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PLINK_DEF pLink,
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ULONG State,
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ULONG Timeout,
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LPWSTR Comment )
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{
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if (State != 0)
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{
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AddObjectStateValue(&pLink->BaseObject, State);
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}
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if (Timeout != 0)
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{
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AddObjectTimeoutValue(&pLink->BaseObject, Timeout);
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}
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if (Comment != NULL)
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{
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AddObjectComment(&pLink->BaseObject, Comment);
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}
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}
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DFSSTATUS
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AddRootToPrefixTable(
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struct _DFS_PREFIX_TABLE **ppTable,
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PROOT_DEF pRoot )
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{
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struct _DFS_PREFIX_TABLE *pTable = NULL;
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NTSTATUS NtStatus;
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PLINK_DEF pLink;
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UNICODE_STRING LinkName;
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ULONG Links = 0;
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NtStatus = DfsInitializePrefixTable( &pTable,
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FALSE,
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NULL );
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if (NtStatus != STATUS_SUCCESS)
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{
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return NtStatus;
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}
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NtStatus = DfsPrefixTableAcquireWriteLock( pTable);
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if (NtStatus != STATUS_SUCCESS)
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{
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printf("Unable to take prefix table lock, %x\n", NtStatus);
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return NtStatus;
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}
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for (pLink = pRoot->pLinks; pLink != NULL; pLink = NEXT_LINK_OBJECT(pLink))
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{
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RtlInitUnicodeString(&LinkName, pLink->LinkObjectName);
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NtStatus = DfsInsertInPrefixTableLocked( pTable,
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&LinkName,
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(PVOID)(pLink) );
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if (NtStatus == STATUS_SUCCESS)
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{
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pLink->LinkObjectFlags |= IN_TABLE;
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}
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else {
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printf(" AddRootToPrefixTable: Link %wZ, Status 0x%x\n, Links %d",
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&LinkName, NtStatus, Links);
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break;
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}
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Links++;
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}
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DfsPrefixTableReleaseLock(pTable);
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*ppTable = pTable;
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return NtStatus;
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}
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DFSSTATUS
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DeletePrefixTable(
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struct _DFS_PREFIX_TABLE *pTable,
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PROOT_DEF pRoot )
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{
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PLINK_DEF pLink;
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NTSTATUS NtStatus;
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UNICODE_STRING LinkName;
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NtStatus = DfsPrefixTableAcquireWriteLock( pTable);
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if (NtStatus != STATUS_SUCCESS)
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{
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printf("Unable to take prefix table lock, %x\n", NtStatus);
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return NtStatus;
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}
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for (pLink = pRoot->pLinks; pLink != NULL; pLink = NEXT_LINK_OBJECT(pLink))
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{
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if ((pLink->LinkObjectFlags & IN_TABLE) == TRUE)
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{
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RtlInitUnicodeString(&LinkName, pLink->LinkObjectName);
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NtStatus = DfsRemoveFromPrefixTableLocked( pTable,
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&LinkName,
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(PVOID)(pLink) );
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if (NtStatus == STATUS_SUCCESS)
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{
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pLink->LinkObjectFlags &= ~IN_TABLE;
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}
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else {
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break;
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}
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}
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}
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DfsPrefixTableReleaseLock(pTable);
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DfsDereferencePrefixTable( pTable );
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return NtStatus;
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}
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PLINK_DEF
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GetLinkEntry(
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struct _DFS_PREFIX_TABLE *pTable,
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LPWSTR NameString )
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{
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NTSTATUS Status;
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UNICODE_STRING Name;
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UNICODE_STRING Suffix;
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PLINK_DEF pLink;
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RtlInitUnicodeString( &Name, NameString );
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Status = DfsFindUnicodePrefixLocked( pTable,
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&Name,
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&Suffix,
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&pLink,
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NULL );
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if (Status == STATUS_SUCCESS)
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{
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return pLink;
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}
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if (Status != STATUS_OBJECT_PATH_NOT_FOUND)
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{
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printf("GetLinkEntry: unexpected status %x\n", Status);
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}
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return NULL;
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}
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PTARGET_DEF
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GetTargetEntry(
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PLINK_DEF pLink,
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LPWSTR ServerName,
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LPWSTR ShareName )
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{
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PTARGET_DEF pTarget, pReturn = NULL;
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UNICODE_STRING TargetName;
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DFSSTATUS Status;
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Status = DfsCreateUnicodePathString( &TargetName,
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2, // unc path: 2 leading sep.
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ServerName,
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ShareName );
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if (Status != ERROR_SUCCESS)
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{
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printf("GetTargetEntry: failed to create string\n");
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return NULL;
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}
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for (pTarget = pLink->LinkObjectTargets; pTarget != NULL; pTarget = pTarget->NextTarget)
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{
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if (_wcsicmp(TargetName.Buffer, pTarget->Name) == 0)
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{
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pReturn = pTarget;
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break;
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}
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}
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DfsFreeUnicodeString(&TargetName);
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return pReturn;
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}
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PLINK_DEF
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MergeLinkInfo(
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PDFS_INFO_4 pBuf,
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struct _DFS_PREFIX_TABLE *pPrefixTable )
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{
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PLINK_DEF pLink, pReturn = NULL;
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DWORD i;
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PDFS_STORAGE_INFO pStorage;
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UNICODE_STRING LinkName, ServerName, ShareName, Remains;
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DFSSTATUS Status;
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PTARGET_DEF pTargetList = NULL, pTarget;
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RtlInitUnicodeString( &LinkName, pBuf->EntryPath);
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Status = DfsGetPathComponents(&LinkName,
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&ServerName,
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&ShareName,
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&Remains);
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if (Remains.Length == 0)
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{
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return NULL;
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}
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if ((pLink = GetLinkEntry(pPrefixTable,
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Remains.Buffer)) == NULL)
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{
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pLink = CreateNewLinkEntry(Remains.Buffer);
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UpdateLinkEntry( pLink, pBuf->State, pBuf->Timeout, pBuf->Comment);
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pReturn = pLink;
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}
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SetObjectInNameSpace(pLink);
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for(i = 0, pStorage = pBuf->Storage;
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i < pBuf->NumberOfStorages;
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i++, pStorage = pBuf->Storage+i) {
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if ((pTarget = GetTargetEntry(pLink,
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pStorage->ServerName,
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pStorage->ShareName)) == NULL)
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{
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pTarget = CreateNewTargetEntry(pStorage->ServerName,
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pStorage->ShareName,
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pStorage->State);
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if (pTargetList == NULL)
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{
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pTargetList = pLink->LinkObjectTargets;
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}
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pTarget->NextTarget = pTargetList;
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pTargetList = pTarget;
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}
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SetInNameSpace(pTarget);
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}
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if (pTargetList != NULL)
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{
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pLink->LinkObjectTargets = pTargetList;
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}
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return pReturn;
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}
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