auth.c (7022b15e2a9f878fd5184586064c63352c3dd225) auth.c (b6dff3ec5e116e3af6f537d4caedcad6b9e5082a)
1/*
2 * linux/fs/nfsd/auth.c
3 *
4 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
5 */
6
7#include <linux/types.h>
8#include <linux/sched.h>

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22 return f->flags;
23 }
24 return exp->ex_flags;
25
26}
27
28int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
29{
1/*
2 * linux/fs/nfsd/auth.c
3 *
4 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
5 */
6
7#include <linux/types.h>
8#include <linux/sched.h>

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22 return f->flags;
23 }
24 return exp->ex_flags;
25
26}
27
28int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
29{
30 struct cred *act_as = current->cred ;
30 struct svc_cred cred = rqstp->rq_cred;
31 int i;
32 int flags = nfsexp_flags(rqstp, exp);
33 int ret;
34
35 if (flags & NFSEXP_ALLSQUASH) {
36 cred.cr_uid = exp->ex_anon_uid;
37 cred.cr_gid = exp->ex_anon_gid;

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50 else
51 GROUP_AT(gi, i) = GROUP_AT(cred.cr_group_info, i);
52 }
53 cred.cr_group_info = gi;
54 } else
55 get_group_info(cred.cr_group_info);
56
57 if (cred.cr_uid != (uid_t) -1)
31 struct svc_cred cred = rqstp->rq_cred;
32 int i;
33 int flags = nfsexp_flags(rqstp, exp);
34 int ret;
35
36 if (flags & NFSEXP_ALLSQUASH) {
37 cred.cr_uid = exp->ex_anon_uid;
38 cred.cr_gid = exp->ex_anon_gid;

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51 else
52 GROUP_AT(gi, i) = GROUP_AT(cred.cr_group_info, i);
53 }
54 cred.cr_group_info = gi;
55 } else
56 get_group_info(cred.cr_group_info);
57
58 if (cred.cr_uid != (uid_t) -1)
58 current->fsuid = cred.cr_uid;
59 act_as->fsuid = cred.cr_uid;
59 else
60 else
60 current->fsuid = exp->ex_anon_uid;
61 act_as->fsuid = exp->ex_anon_uid;
61 if (cred.cr_gid != (gid_t) -1)
62 if (cred.cr_gid != (gid_t) -1)
62 current->fsgid = cred.cr_gid;
63 act_as->fsgid = cred.cr_gid;
63 else
64 else
64 current->fsgid = exp->ex_anon_gid;
65 act_as->fsgid = exp->ex_anon_gid;
65
66 if (!cred.cr_group_info)
67 return -ENOMEM;
66
67 if (!cred.cr_group_info)
68 return -ENOMEM;
68 ret = set_current_groups(cred.cr_group_info);
69 ret = set_groups(act_as, cred.cr_group_info);
69 put_group_info(cred.cr_group_info);
70 if ((cred.cr_uid)) {
70 put_group_info(cred.cr_group_info);
71 if ((cred.cr_uid)) {
71 current->cap_effective =
72 cap_drop_nfsd_set(current->cap_effective);
72 act_as->cap_effective =
73 cap_drop_nfsd_set(act_as->cap_effective);
73 } else {
74 } else {
74 current->cap_effective =
75 cap_raise_nfsd_set(current->cap_effective,
76 current->cap_permitted);
75 act_as->cap_effective =
76 cap_raise_nfsd_set(act_as->cap_effective,
77 act_as->cap_permitted);
77 }
78 return ret;
79}
78 }
79 return ret;
80}
81