a254b246ee
Add extern to nfsd/nfsd.h fs/nfsd/nfssvc.c:146:5: warning: symbol 'nfsd_nrthreads' was not declared. Should it be static? fs/nfsd/nfssvc.c:261:5: warning: symbol 'nfsd_nrpools' was not declared. Should it be static? fs/nfsd/nfssvc.c:269:5: warning: symbol 'nfsd_get_nrthreads' was not declared. Should it be static? fs/nfsd/nfssvc.c:281:5: warning: symbol 'nfsd_set_nrthreads' was not declared. Should it be static? fs/nfsd/export.c:1534:23: warning: symbol 'nfs_exports_op' was not declared. Should it be static? Add include of auth.h fs/nfsd/auth.c:27:5: warning: symbol 'nfsd_setuser' was not declared. Should it be static? Make static, move forward declaration closer to where it's needed. fs/nfsd/nfs4state.c:1877:1: warning: symbol 'laundromat_main' was not declared. Should it be static? Make static, forward declaration was already marked static. fs/nfsd/nfs4idmap.c:206:1: warning: symbol 'idtoname_parse' was not declared. Should it be static? fs/nfsd/vfs.c:1156:1: warning: symbol 'nfsd_create_setattr' was not declared. Should it be static? Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/*
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* linux/fs/nfsd/auth.c
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*
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* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
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*/
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/sunrpc/svc.h>
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#include <linux/sunrpc/svcauth.h>
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#include <linux/nfsd/nfsd.h>
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#include <linux/nfsd/export.h>
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#include "auth.h"
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int nfsexp_flags(struct svc_rqst *rqstp, struct svc_export *exp)
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{
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struct exp_flavor_info *f;
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struct exp_flavor_info *end = exp->ex_flavors + exp->ex_nflavors;
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for (f = exp->ex_flavors; f < end; f++) {
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if (f->pseudoflavor == rqstp->rq_flavor)
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return f->flags;
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}
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return exp->ex_flags;
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}
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int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
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{
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struct svc_cred cred = rqstp->rq_cred;
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int i;
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int flags = nfsexp_flags(rqstp, exp);
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int ret;
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if (flags & NFSEXP_ALLSQUASH) {
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cred.cr_uid = exp->ex_anon_uid;
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cred.cr_gid = exp->ex_anon_gid;
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cred.cr_group_info = groups_alloc(0);
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} else if (flags & NFSEXP_ROOTSQUASH) {
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struct group_info *gi;
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if (!cred.cr_uid)
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cred.cr_uid = exp->ex_anon_uid;
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if (!cred.cr_gid)
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cred.cr_gid = exp->ex_anon_gid;
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gi = groups_alloc(cred.cr_group_info->ngroups);
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if (gi)
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for (i = 0; i < cred.cr_group_info->ngroups; i++) {
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if (!GROUP_AT(cred.cr_group_info, i))
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GROUP_AT(gi, i) = exp->ex_anon_gid;
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else
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GROUP_AT(gi, i) = GROUP_AT(cred.cr_group_info, i);
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}
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cred.cr_group_info = gi;
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} else
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get_group_info(cred.cr_group_info);
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if (cred.cr_uid != (uid_t) -1)
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current->fsuid = cred.cr_uid;
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else
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current->fsuid = exp->ex_anon_uid;
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if (cred.cr_gid != (gid_t) -1)
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current->fsgid = cred.cr_gid;
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else
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current->fsgid = exp->ex_anon_gid;
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if (!cred.cr_group_info)
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return -ENOMEM;
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ret = set_current_groups(cred.cr_group_info);
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put_group_info(cred.cr_group_info);
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if ((cred.cr_uid)) {
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current->cap_effective =
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cap_drop_nfsd_set(current->cap_effective);
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} else {
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current->cap_effective =
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cap_raise_nfsd_set(current->cap_effective,
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current->cap_permitted);
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}
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return ret;
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}
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