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Fix the new NFSv4 client so that it uses the same uid as

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was used for doing a mount when performing system operations
on AUTH_SYS mounts.  This resolved an issue when mounting
a Linux server. Found during testing at the recent
NFSv4 interoperability Bakeathon.

MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2011-06-22 19:47:45 +00:00
parent e81b1c7129
commit 72b7c8ddb1
1 changed files with 14 additions and 0 deletions
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14
sys/fs/nfs/nfs_commonkrpc.c
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@ -526,6 +526,20 @@ newnfs_request(struct nfsrv_descript *nd, struct nfsmount *nmp,
else
secflavour = RPCSEC_GSS_KRB5;
srv_principal = NFSMNT_SRVKRBNAME(nmp);
} else if (nmp != NULL && !NFSHASKERB(nmp) &&
nd->nd_procnum != NFSPROC_NULL &&
(nd->nd_flag & ND_USEGSSNAME) != 0) {
/*
* Use the uid that did the mount when the RPC is doing
* NFSv4 system operations, as indicated by the
* ND_USEGSSNAME flag, for the AUTH_SYS case.
*/
saved_uid = cred->cr_uid;
if (nmp->nm_uid != (uid_t)-1)
cred->cr_uid = nmp->nm_uid;
else
cred->cr_uid = 0;
set_uid = 1;
}
if (nmp != NULL) {