| Date | Tue, 15 Feb 2011 16:12:50 -0800 | From | Greg KH <> | Subject | [113/272] nfsd4: name->id mapping should fail with BADOWNER not BADNAME |
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2.6.37-stable review patch. If anyone has any objections, please let us know.
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From: J. Bruce Fields <bfields@redhat.com>
commit f6af99ec1b261e21219d5eba99e3af48fc6c32d4 upstream.
According to rfc 3530 BADNAME is for strings that represent paths; BADOWNER is for user/group names that don't map.
And the too-long name should probably be BADOWNER as well; it's effectively the same as if we couldn't map it.
Reported-by: Trond Myklebust <Trond.Myklebust@netapp.com> Reported-by: Simon Kirby <sim@hostway.ca> Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- fs/nfsd/nfs4idmap.c | 4 ++-- fs/nfsd/nfsd.h | 1 + fs/nfsd/nfsproc.c | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-)
--- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -524,13 +524,13 @@ idmap_name_to_id(struct svc_rqst *rqstp, int ret; if (namelen + 1 > sizeof(key.name)) - return -EINVAL; + return -ESRCH; /* nfserr_badowner */ memcpy(key.name, name, namelen); key.name[namelen] = '\0'; strlcpy(key.authname, rqst_authname(rqstp), sizeof(key.authname)); ret = idmap_lookup(rqstp, nametoid_lookup, &key, &nametoid_cache, &item); if (ret == -ENOENT) - ret = -ESRCH; /* nfserr_badname */ + ret = -ESRCH; /* nfserr_badowner */ if (ret) return ret; *id = item->id; --- a/fs/nfsd/nfsd.h +++ b/fs/nfsd/nfsd.h @@ -158,6 +158,7 @@ void nfsd_lockd_shutdown(void); #define nfserr_attrnotsupp cpu_to_be32(NFSERR_ATTRNOTSUPP) #define nfserr_bad_xdr cpu_to_be32(NFSERR_BAD_XDR) #define nfserr_openmode cpu_to_be32(NFSERR_OPENMODE) +#define nfserr_badowner cpu_to_be32(NFSERR_BADOWNER) #define nfserr_locks_held cpu_to_be32(NFSERR_LOCKS_HELD) #define nfserr_op_illegal cpu_to_be32(NFSERR_OP_ILLEGAL) #define nfserr_grace cpu_to_be32(NFSERR_GRACE) --- a/fs/nfsd/nfsproc.c +++ b/fs/nfsd/nfsproc.c @@ -737,7 +737,7 @@ nfserrno (int errno) { nfserr_jukebox, -ERESTARTSYS }, { nfserr_dropit, -EAGAIN }, { nfserr_dropit, -ENOMEM }, - { nfserr_badname, -ESRCH }, + { nfserr_badowner, -ESRCH }, { nfserr_io, -ETXTBSY }, { nfserr_notsupp, -EOPNOTSUPP }, { nfserr_toosmall, -ETOOSMALL },
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