static DWORD MapBuiltinSidToName( PWSTR *ppwszName, PSID pSid ) { DWORD dwError = 0; union { SID sid; BYTE buffer[SID_MAX_SIZE]; } Sid; ULONG SidSize = sizeof(Sid.buffer); PWSTR pwszEveryone = NULL; dwError = LwNtStatusToWin32Error( RtlCreateWellKnownSid( WinWorldSid, NULL, &Sid.sid, &SidSize)); BAIL_ON_LTNET_ERROR(dwError); if (RtlEqualSid(&Sid.sid, pSid)) { dwError = LwNtStatusToWin32Error( RtlWC16StringAllocateFromCString( &pwszEveryone, "Everyone")); BAIL_ON_LTNET_ERROR(dwError); } *ppwszName = pwszEveryone; cleanup: return dwError; error: LwNetWC16StringFree(pwszEveryone); goto cleanup; }
static DWORD MapBuiltinNameToSid( PSID *ppSid, PCWSTR pwszName ) { DWORD dwError = 0; union { SID sid; BYTE buffer[SID_MAX_SIZE]; } Sid; ULONG SidSize = sizeof(Sid.buffer); PWSTR pwszEveryone = NULL; dwError = LwNtStatusToWin32Error( RtlWC16StringAllocateFromCString( &pwszEveryone, "Everyone")); BAIL_ON_SRVSVC_ERROR(dwError); if (LwRtlWC16StringIsEqual(pwszName, pwszEveryone, FALSE)) { dwError = LwNtStatusToWin32Error( RtlCreateWellKnownSid( WinWorldSid, NULL, &Sid.sid, &SidSize)); } BAIL_ON_SRVSVC_ERROR(dwError); dwError = LwNtStatusToWin32Error( RtlDuplicateSid(ppSid, &Sid.sid)); cleanup: LW_RTL_FREE(&pwszEveryone); return dwError; error: goto cleanup; }
NTSTATUS RtlAllocateWC16StringFromSid( OUT PWSTR* StringSid, IN PSID Sid ) { NTSTATUS status = STATUS_SUCCESS; PWSTR result = NULL; PSTR convertString = NULL; if (!StringSid) { status = STATUS_INVALID_PARAMETER; GOTO_CLEANUP(); } status = RtlAllocateCStringFromSid(&convertString, Sid); GOTO_CLEANUP_ON_STATUS(status); status = RtlWC16StringAllocateFromCString(&result, convertString); GOTO_CLEANUP_ON_STATUS(status); cleanup: if (!NT_SUCCESS(status)) { RTL_FREE(&result); } RTL_FREE(&convertString); if (StringSid) { *StringSid = result; } return status; }
static NTSTATUS PvfsQueryFileFsAttribInfo( PPVFS_IRP_CONTEXT pIrpContext ) { NTSTATUS ntError = STATUS_UNSUCCESSFUL; PIRP pIrp = pIrpContext->pIrp; PPVFS_CCB pCcb = NULL; PFILE_FS_ATTRIBUTE_INFORMATION pFileInfo = NULL; IRP_ARGS_QUERY_SET_VOLUME_INFORMATION Args = pIrpContext->pIrp->Args.QuerySetVolumeInformation; PWSTR pwszFsName = NULL; size_t FsNameLenBytes = RtlCStringNumChars(PVFS_FS_NAME) * sizeof(WCHAR); PVFS_STATFS StatFs = {0}; ULONG FsAttributeSet = PVFS_FILE_SYSTEM_ATTRIBUTES; /* Sanity checks */ ntError = PvfsAcquireCCB(pIrp->FileHandle, &pCcb); BAIL_ON_NT_STATUS(ntError); /* not sure exact access rights to check for here */ ntError = PvfsAccessCheckFileHandle(pCcb, FILE_READ_ATTRIBUTES); BAIL_ON_NT_STATUS(ntError); BAIL_ON_INVALID_PTR(Args.FsInformation, ntError); if (Args.Length < sizeof(*pFileInfo) + FsNameLenBytes) { ntError = STATUS_BUFFER_TOO_SMALL; BAIL_ON_NT_STATUS(ntError); } pFileInfo = (PFILE_FS_ATTRIBUTE_INFORMATION)Args.FsInformation; /* Real work starts here */ ntError = PvfsSysFstatFs(pCcb, &StatFs); BAIL_ON_NT_STATUS(ntError); ntError = RtlWC16StringAllocateFromCString(&pwszFsName, PVFS_FS_NAME); BAIL_ON_NT_STATUS(ntError); pFileInfo->FileSystemAttributes = FsAttributeSet; pFileInfo->MaximumComponentNameLength = StatFs.MaximumNameLength; pFileInfo->FileSystemNameLength = FsNameLenBytes; memcpy(pFileInfo->FileSystemName, pwszFsName, FsNameLenBytes); pIrp->IoStatusBlock.BytesTransferred = sizeof(*pFileInfo); ntError = STATUS_SUCCESS; cleanup: if (pCcb) { PvfsReleaseCCB(pCcb); } PVFS_FREE(&pwszFsName); return ntError; error: goto cleanup; }
static NTSTATUS FillFileIdFullDirInfoBuffer( PVOID pBuffer, DWORD dwBufLen, PSTR pszParent, PPVFS_DIRECTORY_ENTRY pEntry, PDWORD pdwConsumed ) { NTSTATUS ntError = STATUS_UNSUCCESSFUL; PFILE_ID_FULL_DIR_INFORMATION pFileInfo = (PFILE_ID_FULL_DIR_INFORMATION)pBuffer; PWSTR pwszFilename = NULL; PSTR pszFullPath = NULL; DWORD dwNeeded = 0; size_t W16FilenameLen = 0; size_t W16FilenameLenBytes = 0; /* Check for enough space for static members */ if (dwBufLen < sizeof(*pFileInfo)) { ntError = STATUS_BUFFER_TOO_SMALL; BAIL_ON_NT_STATUS(ntError); } /* Build the absolute path and stat() it */ ntError = RtlCStringAllocatePrintf( &pszFullPath, "%s/%s", pszParent, pEntry->pszFilename); BAIL_ON_NT_STATUS(ntError); ntError = PvfsSysStat(pszFullPath, &pEntry->Stat); BAIL_ON_NT_STATUS(ntError); ntError = RtlWC16StringAllocateFromCString( &pwszFilename, pEntry->pszFilename); BAIL_ON_NT_STATUS(ntError); ntError = FillFileIdFullDirInfoStatic( pFileInfo, pwszFilename, &pEntry->Stat); BAIL_ON_NT_STATUS(ntError); /* We have more information here to fill in the file attributes */ ntError = PvfsGetFilenameAttributes( pszFullPath, &pFileInfo->FileAttributes); BAIL_ON_NT_STATUS(ntError); /* Save what we have used so far */ *pdwConsumed = sizeof(*pFileInfo); /* Calculate space */ W16FilenameLen = RtlWC16StringNumChars(pwszFilename); W16FilenameLenBytes = W16FilenameLen * sizeof(WCHAR); dwNeeded = sizeof(*pFileInfo) + W16FilenameLenBytes; /* alignment on 8 byte boundary */ if (dwNeeded % 8) { dwNeeded += 8 - (dwNeeded % 8); } if (dwNeeded > dwBufLen) { ntError = STATUS_BUFFER_TOO_SMALL; BAIL_ON_NT_STATUS(ntError); } pFileInfo->FileNameLength = W16FilenameLenBytes; memcpy(pFileInfo->FileName, pwszFilename, W16FilenameLenBytes); *pdwConsumed = dwNeeded; ntError = STATUS_SUCCESS; cleanup: RtlCStringFree(&pszFullPath); RtlWC16StringFree(&pwszFilename); return ntError; error: goto cleanup; }
static NTSTATUS PvfsQueryFileFsVolInfo( PPVFS_IRP_CONTEXT pIrpContext ) { NTSTATUS ntError = STATUS_UNSUCCESSFUL; PIRP pIrp = pIrpContext->pIrp; PPVFS_CCB pCcb = NULL; PFILE_FS_VOLUME_INFORMATION pFileInfo = NULL; IRP_ARGS_QUERY_SET_VOLUME_INFORMATION Args = pIrpContext->pIrp->Args.QuerySetVolumeInformation; PWSTR pwszVolumeName = NULL; PCSTR pszVolName = "LIKEWISE"; size_t VolNameLenBytes = RtlCStringNumChars(pszVolName) * sizeof(WCHAR); PVFS_STAT stat = { 0 }; /* Sanity checks */ ntError = PvfsAcquireCCB(pIrp->FileHandle, &pCcb); BAIL_ON_NT_STATUS(ntError); /* not sure exact access rights to check for here */ ntError = PvfsAccessCheckFileHandle(pCcb, FILE_READ_ATTRIBUTES); BAIL_ON_NT_STATUS(ntError); BAIL_ON_INVALID_PTR(Args.FsInformation, ntError); if (Args.Length < sizeof(*pFileInfo) + VolNameLenBytes) { ntError = STATUS_BUFFER_TOO_SMALL; BAIL_ON_NT_STATUS(ntError); } pFileInfo = (PFILE_FS_VOLUME_INFORMATION)Args.FsInformation; /* Real work starts here */ ntError = PvfsSysFstat(pCcb->fd, &stat); BAIL_ON_NT_STATUS(ntError); ntError = PvfsUnixToWinTime(&pFileInfo->VolumeCreationTime, stat.s_crtime); BAIL_ON_NT_STATUS(ntError); pFileInfo->VolumeSerialNumber = 0x009a9a03; pFileInfo->SupportsObjects = FALSE; ntError = RtlWC16StringAllocateFromCString(&pwszVolumeName, pszVolName); BAIL_ON_NT_STATUS(ntError); pFileInfo->VolumeLabelLength = VolNameLenBytes; memcpy(pFileInfo->VolumeLabel, pwszVolumeName, VolNameLenBytes); pIrp->IoStatusBlock.BytesTransferred = sizeof(*pFileInfo); ntError = STATUS_SUCCESS; cleanup: if (pCcb) { PvfsReleaseCCB(pCcb); } PVFS_FREE(&pwszVolumeName); return ntError; error: goto cleanup; }