Commit ba24a78c authored by Erich E. Hoover's avatar Erich E. Hoover Committed by Alexandre Julliard

ntdll: Implement storing DOS attributes in NtSetInformationFile.

parent 1cd1a286
......@@ -363,6 +363,36 @@ NTSTATUS errno_to_status( int err )
}
static int xattr_fremove( int filedes, const char *name )
{
#ifdef HAVE_SYS_XATTR_H
# ifdef XATTR_ADDITIONAL_OPTIONS
return fremovexattr( filedes, name, 0 );
# else
return fremovexattr( filedes, name );
# endif
#else
errno = ENOSYS;
return -1;
#endif
}
static int xattr_fset( int filedes, const char *name, const void *value, size_t size )
{
#ifdef HAVE_SYS_XATTR_H
# ifdef XATTR_ADDITIONAL_OPTIONS
return fsetxattr( filedes, name, value, size, 0, 0 );
# else
return fsetxattr( filedes, name, value, size, 0 );
# endif
#else
errno = ENOSYS;
return -1;
#endif
}
static int xattr_get( const char *path, const char *name, void *value, size_t size )
{
#ifdef HAVE_SYS_XATTR_H
......@@ -1519,6 +1549,51 @@ static int fd_get_file_info( int fd, unsigned int options, struct stat *st, ULON
}
static int fd_set_dos_attrib( int fd, ULONG attr )
{
/* we only store the HIDDEN and SYSTEM attributes */
attr &= XATTR_ATTRIBS_MASK;
if (attr != 0)
{
/* encode the attributes in Samba 3 ASCII format. Samba 4 has extended
* this format with more features, but retains compatibility with the
* earlier format. */
char data[11];
int len = sprintf( data, "0x%x", attr );
return xattr_fset( fd, SAMBA_XATTR_DOS_ATTRIB, data, len );
}
else return xattr_fremove( fd, SAMBA_XATTR_DOS_ATTRIB );
}
/* set the stat info and file attributes for a file (by file descriptor) */
NTSTATUS fd_set_file_info( int fd, ULONG attr )
{
struct stat st;
if (fstat( fd, &st ) == -1) return errno_to_status( errno );
if (attr & FILE_ATTRIBUTE_READONLY)
{
if (S_ISDIR( st.st_mode))
WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
else
st.st_mode &= ~0222; /* clear write permission bits */
}
else
{
/* add write permission only where we already have read permission */
st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~start_umask);
}
if (fchmod( fd, st.st_mode ) == -1) return errno_to_status( errno );
if (fd_set_dos_attrib( fd, attr ) == -1 && errno != ENOTSUP)
WARN( "Failed to set extended attribute " SAMBA_XATTR_DOS_ATTRIB ". errno %d (%s)\n",
errno, strerror( errno ) );
return STATUS_SUCCESS;
}
/* get the stat info and file attributes for a file (by name) */
static int get_file_info( const char *path, struct stat *st, ULONG *attr )
{
......@@ -4416,7 +4491,6 @@ NTSTATUS WINAPI NtSetInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
case FileBasicInformation:
if (len >= sizeof(FILE_BASIC_INFORMATION))
{
struct stat st;
const FILE_BASIC_INFORMATION *info = ptr;
LARGE_INTEGER mtime, atime;
......@@ -4430,25 +4504,7 @@ NTSTATUS WINAPI NtSetInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
status = set_file_times( fd, &mtime, &atime );
if (status == STATUS_SUCCESS && info->FileAttributes)
{
if (fstat( fd, &st ) == -1) status = errno_to_status( errno );
else
{
if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
{
if (S_ISDIR( st.st_mode))
WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
else
st.st_mode &= ~0222; /* clear write permission bits */
}
else
{
/* add write permission only where we already have read permission */
st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~start_umask);
}
if (fchmod( fd, st.st_mode ) == -1) status = errno_to_status( errno );
}
}
status = fd_set_file_info( fd, info->FileAttributes );
if (needs_close) close( fd );
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment