2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
13 * Afs_xsetgroups (syscall)
17 #include <afsconfig.h>
18 #include "afs/param.h"
19 #include <sys/param.h>
20 #include <sys/sysproto.h>
23 #include "afs/sysincludes.h"
24 #include "afsincludes.h"
25 #include "afs/afs_stats.h" /* statistics */
28 afs_getgroups(struct ucred
*cred
, int ngroups
, gid_t
* gidset
);
31 afs_setgroups(struct thread
*td
, struct ucred
**cred
, int ngroups
,
32 gid_t
* gidset
, int change_parent
);
36 Afs_xsetgroups(struct thread
*td
, struct setgroups_args
*uap
)
42 cr
= crdup(td
->td_ucred
);
44 AFS_STATCNT(afs_xsetgroups
);
47 code
= afs_InitReq(&treq
, cr
);
51 #if (__FreeBSD_version >= 900044)
52 return sys_setgroups(td
, uap
); /* afs has shut down */
54 return setgroups(td
, uap
); /* afs has shut down */
57 #if (__FreeBSD_version >= 900044)
58 code
= sys_setgroups(td
, uap
);
60 code
= setgroups(td
, uap
);
62 /* Note that if there is a pag already in the new groups we don't
63 * overwrite it with the old pag.
65 cr
= crdup(td
->td_ucred
);
67 if (PagInCred(cr
) == NOPAG
) {
68 if (((treq
.uid
>> 24) & 0xff) == 'A') {
70 /* we've already done a setpag, so now we redo it */
71 AddPag(td
, treq
.uid
, &cr
);
81 setpag(struct thread
*td
, struct ucred
**cred
, afs_uint32 pagvalue
,
82 afs_uint32
* newpag
, int change_parent
)
84 #if defined(AFS_FBSD81_ENV)
86 int gidset_len
= ngroups_max
+ 1;
87 #elif defined(AFS_FBSD80_ENV)
89 int gidset_len
= NGROUPS
; /* 1024 */
91 gid_t gidset
[NGROUPS
];
92 int gidset_len
= NGROUPS
; /* 16 */
99 gidset
= osi_Alloc(gidset_len
* sizeof(gid_t
));
101 ngroups
= afs_getgroups(*cred
, gidset_len
, gidset
);
102 if (afs_get_pag_from_groups(gidset
[1], gidset
[2]) == NOPAG
) {
103 /* We will have to shift grouplist to make room for pag */
104 if (ngroups
+ 2 > gidset_len
) {
107 for (j
= ngroups
- 1; j
>= 1; j
--) {
108 gidset
[j
+ 2] = gidset
[j
];
112 *newpag
= (pagvalue
== -1 ? genpag() : pagvalue
);
113 afs_get_groups_from_pag(*newpag
, &gidset
[1], &gidset
[2]);
114 code
= afs_setgroups(td
, cred
, ngroups
, gidset
, change_parent
);
115 #ifdef AFS_FBSD80_ENV
116 osi_Free(gidset
, gidset_len
* sizeof(gid_t
));
123 afs_getgroups(struct ucred
*cred
, int ngroups
, gid_t
* gidset
)
125 int ngrps
, savengrps
;
128 AFS_STATCNT(afs_getgroups
);
129 savengrps
= ngrps
= MIN(ngroups
, cred
->cr_ngroups
);
130 gp
= cred
->cr_groups
;
138 afs_setgroups(struct thread
*td
, struct ucred
**cred
, int ngroups
,
139 gid_t
* gidset
, int change_parent
)