1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* Created (MFS based):
* June 2011 (Evgeniy Ivanov)
*/
#include "fs.h"
#include "puffs.h"
#include "puffs_priv.h"
/*===========================================================================*
* fs_chmod *
*===========================================================================*/
int fs_chmod(ino_t ino_nr, mode_t *mode)
{
/* Perform the chmod(name, mode) system call. */
struct puffs_node *pn;
struct vattr va;
PUFFS_MAKECRED(pcr, &global_kcred);
if (global_pu->pu_ops.puffs_node_setattr == NULL)
return(EINVAL);
if ((pn = puffs_pn_nodewalk(global_pu, find_inode_cb, &ino_nr)) == NULL)
return(EINVAL);
puffs_vattr_null(&va);
/* Clear setgid bit if file is not in caller's grp */
va.va_mode = (pn->pn_va.va_mode & ~ALL_MODES) | (*mode & ALL_MODES);
(void)clock_time(&va.va_ctime);
if (global_pu->pu_ops.puffs_node_setattr(global_pu, pn, &va, pcr) != 0)
return(EINVAL);
/* Return full new mode to caller. */
*mode = pn->pn_va.va_mode;
return(OK);
}
/*===========================================================================*
* fs_chown *
*===========================================================================*/
int fs_chown(ino_t ino_nr, uid_t uid, gid_t gid, mode_t *mode)
{
struct puffs_node *pn;
struct vattr va;
PUFFS_MAKECRED(pcr, &global_kcred);
if ((pn = puffs_pn_nodewalk(global_pu, find_inode_cb, &ino_nr)) == NULL)
return(EINVAL);
puffs_vattr_null(&va);
va.va_uid = uid;
va.va_gid = gid;
va.va_mode = pn->pn_va.va_mode & ~(I_SET_UID_BIT | I_SET_GID_BIT);
(void)clock_time(&va.va_ctime);
if (global_pu->pu_ops.puffs_node_setattr(global_pu, pn, &va, pcr) != 0)
return(EINVAL);
/* Update caller on current mode, as it may have changed. */
*mode = pn->pn_va.va_mode;
return(OK);
}
|
