static NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
files_struct *fsp,
DATA_BLOB *pblob)
{
int ret;
int saved_errno = 0;
DEBUG(10,("store_acl_blob_fsp: storing blob length %u on file %s\n",
(unsigned int)pblob->length, fsp_str_dbg(fsp)));
become_root();
if (fsp->fh->fd != -1) {
ret = SMB_VFS_FSETXATTR(fsp, XATTR_NTACL_NAME,
pblob->data, pblob->length, 0);
} else {
ret = SMB_VFS_SETXATTR(fsp->conn, fsp->fsp_name->base_name,
XATTR_NTACL_NAME,
pblob->data, pblob->length, 0);
}
if (ret) {
saved_errno = errno;
}
unbecome_root();
if (ret) {
DEBUG(5, ("store_acl_blob_fsp: setting attr failed for file %s"
"with error %s\n",
fsp_str_dbg(fsp),
strerror(saved_errno) ));
errno = saved_errno;
return map_nt_error_from_unix(saved_errno);
}
return NT_STATUS_OK;
}
static NTSTATUS store_acl_blob_pathname(vfs_handle_struct *handle,
const char *fname,
DATA_BLOB *pblob)
{
connection_struct *conn = handle->conn;
int ret;
int saved_errno = 0;
DEBUG(10,("store_acl_blob_pathname: storing blob "
"length %u on file %s\n",
(unsigned int)pblob->length, fname));
become_root();
ret = SMB_VFS_SETXATTR(conn, fname,
XATTR_NTACL_NAME,
pblob->data, pblob->length, 0);
if (ret) {
saved_errno = errno;
}
unbecome_root();
if (ret) {
errno = saved_errno;
DEBUG(5, ("store_acl_blob_pathname: setting attr failed "
"for file %s with error %s\n",
fname,
strerror(errno) ));
return map_nt_error_from_unix(errno);
}
return NT_STATUS_OK;
}
static bool get_ea_dos_attribute(connection_struct *conn,
struct smb_filename *smb_fname,
uint32 *pattr)
{
struct xattr_DOSATTRIB dosattrib;
enum ndr_err_code ndr_err;
DATA_BLOB blob;
ssize_t sizeret;
fstring attrstr;
uint32_t dosattr;
if (!lp_store_dos_attributes(SNUM(conn))) {
return False;
}
/* Don't reset pattr to zero as we may already have filename-based attributes we
need to preserve. */
sizeret = SMB_VFS_GETXATTR(conn, smb_fname->base_name,
SAMBA_XATTR_DOS_ATTRIB, attrstr,
sizeof(attrstr));
if (sizeret == -1) {
if (errno == ENOSYS
#if defined(ENOTSUP)
|| errno == ENOTSUP) {
#else
) {
#endif
DEBUG(1,("get_ea_dos_attribute: Cannot get attribute "
"from EA on file %s: Error = %s\n",
smb_fname_str_dbg(smb_fname),
strerror(errno)));
set_store_dos_attributes(SNUM(conn), False);
}
return False;
}
blob.data = (uint8_t *)attrstr;
blob.length = sizeret;
ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
(ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(1,("get_ea_dos_attribute: bad ndr decode "
"from EA on file %s: Error = %s\n",
smb_fname_str_dbg(smb_fname),
ndr_errstr(ndr_err)));
return false;
}
DEBUG(10,("get_ea_dos_attribute: %s attr = %s\n",
smb_fname_str_dbg(smb_fname), dosattrib.attrib_hex));
switch (dosattrib.version) {
case 0xFFFF:
dosattr = dosattrib.info.compatinfoFFFF.attrib;
break;
case 1:
dosattr = dosattrib.info.info1.attrib;
if (!null_nttime(dosattrib.info.info1.create_time)) {
struct timespec create_time =
nt_time_to_unix_timespec(
dosattrib.info.info1.create_time);
update_stat_ex_create_time(&smb_fname->st,
create_time);
DEBUG(10,("get_ea_dos_attribute: file %s case 1 "
"set btime %s\n",
smb_fname_str_dbg(smb_fname),
time_to_asc(convert_timespec_to_time_t(
create_time)) ));
}
break;
case 2:
dosattr = dosattrib.info.oldinfo2.attrib;
/* Don't know what flags to check for this case. */
break;
case 3:
dosattr = dosattrib.info.info3.attrib;
if ((dosattrib.info.info3.valid_flags & XATTR_DOSINFO_CREATE_TIME) &&
!null_nttime(dosattrib.info.info3.create_time)) {
struct timespec create_time =
nt_time_to_unix_timespec(
dosattrib.info.info3.create_time);
update_stat_ex_create_time(&smb_fname->st,
create_time);
DEBUG(10,("get_ea_dos_attribute: file %s case 3 "
"set btime %s\n",
smb_fname_str_dbg(smb_fname),
time_to_asc(convert_timespec_to_time_t(
create_time)) ));
}
break;
default:
DEBUG(1,("get_ea_dos_attribute: Badly formed DOSATTRIB on "
"file %s - %s\n", smb_fname_str_dbg(smb_fname),
attrstr));
return false;
}
if (S_ISDIR(smb_fname->st.st_ex_mode)) {
dosattr |= FILE_ATTRIBUTE_DIRECTORY;
}
/* FILE_ATTRIBUTE_SPARSE is valid on get but not on set. */
*pattr = (uint32)(dosattr & (SAMBA_ATTRIBUTES_MASK|FILE_ATTRIBUTE_SPARSE));
DEBUG(8,("get_ea_dos_attribute returning (0x%x)", dosattr));
if (dosattr & FILE_ATTRIBUTE_HIDDEN) DEBUG(8, ("h"));
if (dosattr & FILE_ATTRIBUTE_READONLY ) DEBUG(8, ("r"));
if (dosattr & FILE_ATTRIBUTE_SYSTEM) DEBUG(8, ("s"));
if (dosattr & FILE_ATTRIBUTE_DIRECTORY ) DEBUG(8, ("d"));
if (dosattr & FILE_ATTRIBUTE_ARCHIVE ) DEBUG(8, ("a"));
DEBUG(8,("\n"));
return True;
}
/****************************************************************************
Set DOS attributes in an EA.
Also sets the create time.
****************************************************************************/
static bool set_ea_dos_attribute(connection_struct *conn,
struct smb_filename *smb_fname,
uint32 dosmode)
{
struct xattr_DOSATTRIB dosattrib;
enum ndr_err_code ndr_err;
DATA_BLOB blob;
ZERO_STRUCT(dosattrib);
ZERO_STRUCT(blob);
dosattrib.version = 3;
dosattrib.info.info3.valid_flags = XATTR_DOSINFO_ATTRIB|
XATTR_DOSINFO_CREATE_TIME;
dosattrib.info.info3.attrib = dosmode;
dosattrib.info.info3.create_time = unix_timespec_to_nt_time(
smb_fname->st.st_ex_btime);
DEBUG(10,("set_ea_dos_attributes: set attribute 0x%x, btime = %s on file %s\n",
(unsigned int)dosmode,
time_to_asc(convert_timespec_to_time_t(smb_fname->st.st_ex_btime)),
smb_fname_str_dbg(smb_fname) ));
ndr_err = ndr_push_struct_blob(
&blob, talloc_tos(), &dosattrib,
(ndr_push_flags_fn_t)ndr_push_xattr_DOSATTRIB);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(5, ("create_acl_blob: ndr_push_xattr_DOSATTRIB failed: %s\n",
ndr_errstr(ndr_err)));
return false;
}
if (blob.data == NULL || blob.length == 0) {
return false;
}
if (SMB_VFS_SETXATTR(conn, smb_fname->base_name,
SAMBA_XATTR_DOS_ATTRIB, blob.data, blob.length,
0) == -1) {
bool ret = false;
bool need_close = false;
files_struct *fsp = NULL;
if((errno != EPERM) && (errno != EACCES)) {
if (errno == ENOSYS
#if defined(ENOTSUP)
|| errno == ENOTSUP) {
#else
) {
#endif
DEBUG(1,("set_ea_dos_attributes: Cannot set "
"attribute EA on file %s: Error = %s\n",
smb_fname_str_dbg(smb_fname),
strerror(errno) ));
set_store_dos_attributes(SNUM(conn), False);
}
return false;
}
/* We want DOS semantics, ie allow non owner with write permission to change the
bits on a file. Just like file_ntimes below.
*/
/* Check if we have write access. */
if(!CAN_WRITE(conn) || !lp_dos_filemode(SNUM(conn)))
return false;
if (!can_write_to_file(conn, smb_fname)) {
return false;
}
/*
* We need to get an open file handle to do the
* metadata operation under root.
*/
if (!NT_STATUS_IS_OK(get_file_handle_for_metadata(conn,
smb_fname,
&fsp,
&need_close))) {
return false;
}
become_root();
if (SMB_VFS_FSETXATTR(fsp,
SAMBA_XATTR_DOS_ATTRIB, blob.data,
blob.length, 0) == 0) {
ret = true;
}
unbecome_root();
if (need_close) {
close_file(NULL, fsp, NORMAL_CLOSE);
}
return ret;
}
DEBUG(10,("set_ea_dos_attribute: set EA 0x%x on file %s\n",
(unsigned int)dosmode,
smb_fname_str_dbg(smb_fname)));
return true;
}
/****************************************************************************
Change a unix mode to a dos mode for an ms dfs link.
****************************************************************************/
uint32 dos_mode_msdfs(connection_struct *conn,
const struct smb_filename *smb_fname)
{
uint32 result = 0;
DEBUG(8,("dos_mode_msdfs: %s\n", smb_fname_str_dbg(smb_fname)));
if (!VALID_STAT(smb_fname->st)) {
return 0;
}
/* First do any modifications that depend on the path name. */
/* hide files with a name starting with a . */
if (lp_hide_dot_files(SNUM(conn))) {
const char *p = strrchr_m(smb_fname->base_name, '/');
if (p) {
p++;
} else {
p = smb_fname->base_name;
}
/* Only . and .. are not hidden. */
if (p[0] == '.' && !((p[1] == '\0') ||
(p[1] == '.' && p[2] == '\0'))) {
result |= FILE_ATTRIBUTE_HIDDEN;
}
}
result |= dos_mode_from_sbuf(conn, smb_fname);
/* Optimization : Only call is_hidden_path if it's not already
hidden. */
if (!(result & FILE_ATTRIBUTE_HIDDEN) &&
IS_HIDDEN_PATH(conn, smb_fname->base_name)) {
result |= FILE_ATTRIBUTE_HIDDEN;
}
if (result == 0) {
result = FILE_ATTRIBUTE_NORMAL;
}
result = filter_mode_by_protocol(result);
/*
* Add in that it is a reparse point
*/
result |= FILE_ATTRIBUTE_REPARSE_POINT;
DEBUG(8,("dos_mode_msdfs returning "));
if (result & FILE_ATTRIBUTE_HIDDEN) DEBUG(8, ("h"));
if (result & FILE_ATTRIBUTE_READONLY ) DEBUG(8, ("r"));
if (result & FILE_ATTRIBUTE_SYSTEM) DEBUG(8, ("s"));
if (result & FILE_ATTRIBUTE_DIRECTORY ) DEBUG(8, ("d"));
if (result & FILE_ATTRIBUTE_ARCHIVE ) DEBUG(8, ("a"));
if (result & FILE_ATTRIBUTE_SPARSE ) DEBUG(8, ("[sparse]"));
DEBUG(8,("\n"));
return(result);
}
static BOOL set_ea_dos_attribute(connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf, uint32 dosmode)
{
fstring attrstr;
files_struct *fsp = NULL;
BOOL ret = False;
if (!lp_store_dos_attributes(SNUM(conn))) {
return False;
}
snprintf(attrstr, sizeof(attrstr)-1, "0x%x", dosmode & SAMBA_ATTRIBUTES_MASK);
if (SMB_VFS_SETXATTR(conn, path, SAMBA_XATTR_DOS_ATTRIB, attrstr, strlen(attrstr), 0) == -1) {
if((errno != EPERM) && (errno != EACCES)) {
if (errno == ENOSYS
#if defined(ENOTSUP)
|| errno == ENOTSUP) {
#else
) {
#endif
set_store_dos_attributes(SNUM(conn), False);
}
return False;
}
/* We want DOS semantics, ie allow non owner with write permission to change the
bits on a file. Just like file_ntimes below.
*/
/* Check if we have write access. */
if(!CAN_WRITE(conn) || !lp_dos_filemode(SNUM(conn)))
return False;
/*
* We need to open the file with write access whilst
* still in our current user context. This ensures we
* are not violating security in doing the setxattr.
*/
if (!NT_STATUS_IS_OK(open_file_fchmod(conn,path,sbuf,&fsp)))
return ret;
become_root();
if (SMB_VFS_SETXATTR(conn, path, SAMBA_XATTR_DOS_ATTRIB, attrstr, strlen(attrstr), 0) == 0) {
ret = True;
}
unbecome_root();
close_file_fchmod(fsp);
return ret;
}
DEBUG(10,("set_ea_dos_attribute: set EA %s on file %s\n", attrstr, path));
return True;
}
/****************************************************************************
Change a unix mode to a dos mode for an ms dfs link.
****************************************************************************/
uint32 dos_mode_msdfs(connection_struct *conn, const char *path,SMB_STRUCT_STAT *sbuf)
{
uint32 result = 0;
DEBUG(8,("dos_mode_msdfs: %s\n", path));
if (!VALID_STAT(*sbuf)) {
return 0;
}
/* First do any modifications that depend on the path name. */
/* hide files with a name starting with a . */
if (lp_hide_dot_files(SNUM(conn))) {
const char *p = strrchr_m(path,'/');
if (p) {
p++;
} else {
p = path;
}
if (p[0] == '.' && p[1] != '.' && p[1] != 0) {
result |= aHIDDEN;
}
}
result |= dos_mode_from_sbuf(conn, path, sbuf);
/* Optimization : Only call is_hidden_path if it's not already
hidden. */
if (!(result & aHIDDEN) && IS_HIDDEN_PATH(conn,path)) {
result |= aHIDDEN;
}
DEBUG(8,("dos_mode_msdfs returning "));
if (result & aHIDDEN) DEBUG(8, ("h"));
if (result & aRONLY ) DEBUG(8, ("r"));
if (result & aSYSTEM) DEBUG(8, ("s"));
if (result & aDIR ) DEBUG(8, ("d"));
if (result & aARCH ) DEBUG(8, ("a"));
if (result & FILE_ATTRIBUTE_SPARSE ) DEBUG(8, ("[sparse]"));
DEBUG(8,("\n"));
return(result);
}
static ssize_t streams_xattr_pwrite(vfs_handle_struct *handle,
files_struct *fsp, const void *data,
size_t n, off_t offset)
{
struct stream_io *sio =
(struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
struct ea_struct ea;
NTSTATUS status;
struct smb_filename *smb_fname_base = NULL;
int ret;
DEBUG(10, ("streams_xattr_pwrite called for %d bytes\n", (int)n));
if (sio == NULL) {
return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
}
if (!streams_xattr_recheck(sio)) {
return -1;
}
/* Create an smb_filename with stream_name == NULL. */
smb_fname_base = synthetic_smb_fname(talloc_tos(),
sio->base,
NULL,
NULL,
fsp->fsp_name->flags);
if (smb_fname_base == NULL) {
errno = ENOMEM;
return -1;
}
status = get_ea_value(talloc_tos(), handle->conn, NULL,
smb_fname_base, sio->xattr_name, &ea);
if (!NT_STATUS_IS_OK(status)) {
return -1;
}
if ((offset + n) > ea.value.length-1) {
uint8_t *tmp;
tmp = talloc_realloc(talloc_tos(), ea.value.data, uint8_t,
offset + n + 1);
if (tmp == NULL) {
TALLOC_FREE(ea.value.data);
errno = ENOMEM;
return -1;
}
ea.value.data = tmp;
ea.value.length = offset + n + 1;
ea.value.data[offset+n] = 0;
}
memcpy(ea.value.data + offset, data, n);
ret = SMB_VFS_SETXATTR(fsp->conn,
fsp->fsp_name,
sio->xattr_name,
ea.value.data, ea.value.length, 0);
TALLOC_FREE(ea.value.data);
if (ret == -1) {
return -1;
}
return n;
}
static int streams_xattr_rename(vfs_handle_struct *handle,
const struct smb_filename *smb_fname_src,
const struct smb_filename *smb_fname_dst)
{
NTSTATUS status;
int ret = -1;
char *src_xattr_name = NULL;
char *dst_xattr_name = NULL;
bool src_is_stream, dst_is_stream;
ssize_t oret;
ssize_t nret;
struct ea_struct ea;
src_is_stream = is_ntfs_stream_smb_fname(smb_fname_src);
dst_is_stream = is_ntfs_stream_smb_fname(smb_fname_dst);
if (!src_is_stream && !dst_is_stream) {
return SMB_VFS_NEXT_RENAME(handle, smb_fname_src,
smb_fname_dst);
}
/* For now don't allow renames from or to the default stream. */
if (is_ntfs_default_stream_smb_fname(smb_fname_src) ||
is_ntfs_default_stream_smb_fname(smb_fname_dst)) {
errno = ENOSYS;
goto done;
}
/* Don't rename if the streams are identical. */
if (strcasecmp_m(smb_fname_src->stream_name,
smb_fname_dst->stream_name) == 0) {
goto done;
}
/* Get the xattr names. */
status = streams_xattr_get_name(handle, talloc_tos(),
smb_fname_src->stream_name,
&src_xattr_name);
if (!NT_STATUS_IS_OK(status)) {
errno = map_errno_from_nt_status(status);
goto fail;
}
status = streams_xattr_get_name(handle, talloc_tos(),
smb_fname_dst->stream_name,
&dst_xattr_name);
if (!NT_STATUS_IS_OK(status)) {
errno = map_errno_from_nt_status(status);
goto fail;
}
/* read the old stream */
status = get_ea_value(talloc_tos(), handle->conn, NULL,
smb_fname_src, src_xattr_name, &ea);
if (!NT_STATUS_IS_OK(status)) {
errno = ENOENT;
goto fail;
}
/* (over)write the new stream */
nret = SMB_VFS_SETXATTR(handle->conn, smb_fname_src,
dst_xattr_name, ea.value.data, ea.value.length,
0);
if (nret < 0) {
if (errno == ENOATTR) {
errno = ENOENT;
}
goto fail;
}
/* remove the old stream */
oret = SMB_VFS_REMOVEXATTR(handle->conn, smb_fname_src,
src_xattr_name);
if (oret < 0) {
if (errno == ENOATTR) {
errno = ENOENT;
}
goto fail;
}
done:
errno = 0;
ret = 0;
fail:
TALLOC_FREE(src_xattr_name);
TALLOC_FREE(dst_xattr_name);
return ret;
}
static int streams_xattr_open(vfs_handle_struct *handle,
struct smb_filename *smb_fname,
files_struct *fsp, int flags, mode_t mode)
{
NTSTATUS status;
struct streams_xattr_config *config = NULL;
struct stream_io *sio = NULL;
struct ea_struct ea;
char *xattr_name = NULL;
int pipe_fds[2];
int fakefd = -1;
int ret;
SMB_VFS_HANDLE_GET_DATA(handle, config, struct streams_xattr_config,
return -1);
DEBUG(10, ("streams_xattr_open called for %s with flags 0x%x\n",
smb_fname_str_dbg(smb_fname), flags));
if (!is_ntfs_stream_smb_fname(smb_fname)) {
return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
}
/* If the default stream is requested, just open the base file. */
if (is_ntfs_default_stream_smb_fname(smb_fname)) {
char *tmp_stream_name;
tmp_stream_name = smb_fname->stream_name;
smb_fname->stream_name = NULL;
ret = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
smb_fname->stream_name = tmp_stream_name;
return ret;
}
status = streams_xattr_get_name(handle, talloc_tos(),
smb_fname->stream_name, &xattr_name);
if (!NT_STATUS_IS_OK(status)) {
errno = map_errno_from_nt_status(status);
goto fail;
}
/*
* Return a valid fd, but ensure any attempt to use it returns an error
* (EPIPE).
*/
ret = pipe(pipe_fds);
if (ret != 0) {
goto fail;
}
close(pipe_fds[1]);
pipe_fds[1] = -1;
fakefd = pipe_fds[0];
status = get_ea_value(talloc_tos(), handle->conn, NULL,
smb_fname, xattr_name, &ea);
DEBUG(10, ("get_ea_value returned %s\n", nt_errstr(status)));
if (!NT_STATUS_IS_OK(status)
&& !NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
/*
* The base file is not there. This is an error even if we got
* O_CREAT, the higher levels should have created the base
* file for us.
*/
DEBUG(10, ("streams_xattr_open: base file %s not around, "
"returning ENOENT\n", smb_fname->base_name));
errno = ENOENT;
goto fail;
}
if ((!NT_STATUS_IS_OK(status) && (flags & O_CREAT)) ||
(flags & O_TRUNC)) {
/*
* The attribute does not exist or needs to be truncated
*/
/*
* Darn, xattrs need at least 1 byte
*/
char null = '\0';
DEBUG(10, ("creating or truncating attribute %s on file %s\n",
xattr_name, smb_fname->base_name));
ret = SMB_VFS_SETXATTR(fsp->conn,
smb_fname,
xattr_name,
&null, sizeof(null),
flags & O_EXCL ? XATTR_CREATE : 0);
if (ret != 0) {
goto fail;
}
}
sio = VFS_ADD_FSP_EXTENSION(handle, fsp, struct stream_io, NULL);
if (sio == NULL) {
errno = ENOMEM;
goto fail;
}
sio->xattr_name = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(handle, fsp),
xattr_name);
/*
* so->base needs to be a copy of fsp->fsp_name->base_name,
* making it identical to streams_xattr_recheck(). If the
* open is changing directories, fsp->fsp_name->base_name
* will be the full path from the share root, whilst
* smb_fname will be relative to the $cwd.
*/
sio->base = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(handle, fsp),
fsp->fsp_name->base_name);
sio->fsp_name_ptr = fsp->fsp_name;
sio->handle = handle;
sio->fsp = fsp;
if ((sio->xattr_name == NULL) || (sio->base == NULL)) {
errno = ENOMEM;
goto fail;
}
return fakefd;
fail:
if (fakefd >= 0) {
close(fakefd);
fakefd = -1;
}
return -1;
}
static bool set_ea_dos_attribute(connection_struct *conn,
struct smb_filename *smb_fname,
uint32_t dosmode)
{
struct xattr_DOSATTRIB dosattrib;
enum ndr_err_code ndr_err;
DATA_BLOB blob;
ZERO_STRUCT(dosattrib);
ZERO_STRUCT(blob);
dosattrib.version = 3;
dosattrib.info.info3.valid_flags = XATTR_DOSINFO_ATTRIB|
XATTR_DOSINFO_CREATE_TIME;
dosattrib.info.info3.attrib = dosmode;
dosattrib.info.info3.create_time = unix_timespec_to_nt_time(
smb_fname->st.st_ex_btime);
DEBUG(10,("set_ea_dos_attributes: set attribute 0x%x, btime = %s on file %s\n",
(unsigned int)dosmode,
time_to_asc(convert_timespec_to_time_t(smb_fname->st.st_ex_btime)),
smb_fname_str_dbg(smb_fname) ));
ndr_err = ndr_push_struct_blob(
&blob, talloc_tos(), &dosattrib,
(ndr_push_flags_fn_t)ndr_push_xattr_DOSATTRIB);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(5, ("create_acl_blob: ndr_push_xattr_DOSATTRIB failed: %s\n",
ndr_errstr(ndr_err)));
return false;
}
if (blob.data == NULL || blob.length == 0) {
return false;
}
if (SMB_VFS_SETXATTR(conn, smb_fname->base_name,
SAMBA_XATTR_DOS_ATTRIB, blob.data, blob.length,
0) == -1) {
bool ret = false;
bool need_close = false;
files_struct *fsp = NULL;
if((errno != EPERM) && (errno != EACCES)) {
DBG_INFO("Cannot set "
"attribute EA on file %s: Error = %s\n",
smb_fname_str_dbg(smb_fname), strerror(errno));
return false;
}
/* We want DOS semantics, ie allow non owner with write permission to change the
bits on a file. Just like file_ntimes below.
*/
/* Check if we have write access. */
if(!CAN_WRITE(conn) || !lp_dos_filemode(SNUM(conn)))
return false;
if (!can_write_to_file(conn, smb_fname)) {
return false;
}
/*
* We need to get an open file handle to do the
* metadata operation under root.
*/
if (!NT_STATUS_IS_OK(get_file_handle_for_metadata(conn,
smb_fname,
&fsp,
&need_close))) {
return false;
}
become_root();
if (SMB_VFS_FSETXATTR(fsp,
SAMBA_XATTR_DOS_ATTRIB, blob.data,
blob.length, 0) == 0) {
ret = true;
}
unbecome_root();
if (need_close) {
close_file(NULL, fsp, NORMAL_CLOSE);
}
return ret;
}
DEBUG(10,("set_ea_dos_attribute: set EA 0x%x on file %s\n",
(unsigned int)dosmode,
smb_fname_str_dbg(smb_fname)));
return true;
}