1 /* Created (MFS based):
2 * February 2010 (Evgeniy Ivanov)
3 */
4
5 #include "fs.h"
6 #include "inode.h"
7 #include "super.h"
8
9
10 /*===========================================================================*
11 * fs_chmod *
12 *===========================================================================*/
fs_chmod(ino_t ino_nr,mode_t * mode)13 int fs_chmod(ino_t ino_nr, mode_t *mode)
14 {
15 /* Perform the chmod(name, mode) system call. */
16 register struct inode *rip;
17
18 /* Temporarily open the file. */
19 if( (rip = get_inode(fs_dev, ino_nr)) == NULL)
20 return(EINVAL);
21
22 /* Now make the change. Clear setgid bit if file is not in caller's grp */
23 rip->i_mode = (rip->i_mode & ~ALL_MODES) | (*mode & ALL_MODES);
24 rip->i_update |= CTIME;
25 rip->i_dirt = IN_DIRTY;
26
27 /* Return full new mode to caller. */
28 *mode = rip->i_mode;
29
30 put_inode(rip);
31 return(OK);
32 }
33
34
35 /*===========================================================================*
36 * fs_chown *
37 *===========================================================================*/
fs_chown(ino_t ino_nr,uid_t uid,gid_t gid,mode_t * mode)38 int fs_chown(ino_t ino_nr, uid_t uid, gid_t gid, mode_t *mode)
39 {
40 register struct inode *rip;
41
42 /* Temporarily open the file. */
43 if( (rip = get_inode(fs_dev, ino_nr)) == NULL)
44 return(EINVAL);
45
46 rip->i_uid = uid;
47 rip->i_gid = gid;
48 rip->i_mode &= ~(I_SET_UID_BIT | I_SET_GID_BIT);
49 rip->i_update |= CTIME;
50 rip->i_dirt = IN_DIRTY;
51
52 /* Update caller on current mode, as it may have changed. */
53 *mode = rip->i_mode;
54 put_inode(rip);
55
56 return(OK);
57 }
58