static NTSTATUS SetSecurity(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode0,
SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR SecurityDescriptor)
{
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
PSECURITY_DESCRIPTOR NewSecurityDescriptor, FileSecurity;
SIZE_T FileSecuritySize;
NTSTATUS Result;
Result = FspSetSecurityDescriptor(FileSystem, Request, FileNode->FileSecurity,
&NewSecurityDescriptor);
if (!NT_SUCCESS(Result))
return Result;
FileSecuritySize = GetSecurityDescriptorLength(NewSecurityDescriptor);
FileSecurity = (PSECURITY_DESCRIPTOR)malloc(FileSecuritySize);
if (0 == FileSecurity)
{
FspDeleteSecurityDescriptor(NewSecurityDescriptor, (NTSTATUS (*)())FspSetSecurityDescriptor);
return STATUS_INSUFFICIENT_RESOURCES;
}
memcpy(FileSecurity, NewSecurityDescriptor, FileSecuritySize);
FspDeleteSecurityDescriptor(NewSecurityDescriptor, (NTSTATUS (*)())FspSetSecurityDescriptor);
free(FileNode->FileSecurity);
FileNode->FileSecuritySize = FileSecuritySize;
FileNode->FileSecurity = FileSecurity;
return STATUS_SUCCESS;
}
static NTSTATUS perm_mode(PWSTR PermStr)
{
PSECURITY_DESCRIPTOR SecurityDescriptor = 0;
UINT32 Uid, Gid, Mode;
NTSTATUS Result;
Uid = wcstoint(PermStr, &PermStr, 10);
if (L':' != *PermStr)
return STATUS_INVALID_PARAMETER;
Gid = wcstoint(PermStr + 1, &PermStr, 10);
if (L':' != *PermStr)
return STATUS_INVALID_PARAMETER;
Mode = wcstoint(PermStr + 1, &PermStr, 8);
if (L'\0' != *PermStr)
return STATUS_INVALID_PARAMETER;
Result = FspPosixMapPermissionsToSecurityDescriptor(Uid, Gid, Mode, &SecurityDescriptor);
if (!NT_SUCCESS(Result))
return Result;
perm_print_sd(SecurityDescriptor);
FspDeleteSecurityDescriptor(SecurityDescriptor,
FspPosixMapPermissionsToSecurityDescriptor);
return STATUS_SUCCESS;
}
