int file_ntimes(connection_struct *conn, const struct smb_filename *smb_fname,
struct smb_file_time *ft)
{
int ret = -1;
errno = 0;
DEBUG(6, ("file_ntime: actime: %s",
time_to_asc(convert_timespec_to_time_t(ft->atime))));
DEBUG(6, ("file_ntime: modtime: %s",
time_to_asc(convert_timespec_to_time_t(ft->mtime))));
DEBUG(6, ("file_ntime: ctime: %s",
time_to_asc(convert_timespec_to_time_t(ft->ctime))));
DEBUG(6, ("file_ntime: createtime: %s",
time_to_asc(convert_timespec_to_time_t(ft->create_time))));
/* Don't update the time on read-only shares */
/* We need this as set_filetime (which can be called on
close and other paths) can end up calling this function
without the NEED_WRITE protection. Found by :
Leo Weppelman <*****@*****.**>
*/
if (!CAN_WRITE(conn)) {
return 0;
}
if(SMB_VFS_NTIMES(conn, smb_fname, ft) == 0) {
return 0;
}
if((errno != EPERM) && (errno != EACCES)) {
return -1;
}
if(!lp_dos_filetimes(SNUM(conn))) {
return -1;
}
/* We have permission (given by the Samba admin) to
break POSIX semantics and allow a user to change
the time on a file they don't own but can write to
(as DOS does).
*/
/* Check if we have write access. */
if (can_write_to_file(conn, smb_fname)) {
/* We are allowed to become root and change the filetime. */
become_root();
ret = SMB_VFS_NTIMES(conn, smb_fname, ft);
unbecome_root();
}
return ret;
}
int file_ntimes(connection_struct *conn, const char *fname, const struct timespec ts[2])
{
SMB_STRUCT_STAT sbuf;
int ret = -1;
errno = 0;
ZERO_STRUCT(sbuf);
/* Don't update the time on read-only shares */
/* We need this as set_filetime (which can be called on
close and other paths) can end up calling this function
without the NEED_WRITE protection. Found by :
Leo Weppelman <*****@*****.**>
*/
if (!CAN_WRITE(conn)) {
return 0;
}
if(SMB_VFS_NTIMES(conn, fname, ts) == 0) {
return 0;
}
if((errno != EPERM) && (errno != EACCES)) {
return -1;
}
if(!lp_dos_filetimes(SNUM(conn))) {
return -1;
}
/* We have permission (given by the Samba admin) to
break POSIX semantics and allow a user to change
the time on a file they don't own but can write to
(as DOS does).
*/
/* Check if we have write access. */
if (can_write_to_file(conn, fname, &sbuf)) {
/* We are allowed to become root and change the filetime. */
become_root();
ret = SMB_VFS_NTIMES(conn, fname, ts);
unbecome_root();
}
return ret;
}
/*******************************************************************
Wrapper around dos_utime that possibly allows DOS semantics rather
than POSIX.
*******************************************************************/
int file_utime(connection_struct *conn, char *fname, struct utimbuf *times)
{
extern struct current_user current_user;
SMB_STRUCT_STAT sb;
int ret = -1;
errno = 0;
if(dos_utime(fname, times) == 0)
return 0;
if((errno != EPERM) && (errno != EACCES))
return -1;
if(!lp_dos_filetimes(SNUM(conn)))
return -1;
/* We have permission (given by the Samba admin) to
break POSIX semantics and allow a user to change
the time on a file they don't own but can write to
(as DOS does).
*/
if(dos_stat(fname,&sb) != 0)
return -1;
/* Check if we have write access. */
if (CAN_WRITE(conn)) {
if (((sb.st_mode & S_IWOTH) ||
conn->admin_user ||
((sb.st_mode & S_IWUSR) && current_user.uid==sb.st_uid) ||
((sb.st_mode & S_IWGRP) &&
in_group(sb.st_gid,current_user.gid,
current_user.ngroups,current_user.groups)))) {
/* We are allowed to become root and change the filetime. */
become_root(False);
ret = dos_utime(fname, times);
unbecome_root(False);
}
}
return ret;
}
