From: J. Bruce Fields Date: Tue, 4 Jan 2011 23:02:15 +0000 (-0500) Subject: nfsd4: name->id mapping should fail with BADOWNER not BADNAME X-Git-Tag: v2.6.37.1~160 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=39708a71e7632872d2678d0cba0448bd867cddf9;p=thirdparty%2Fkernel%2Fstable.git nfsd4: name->id mapping should fail with BADOWNER not BADNAME 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 Reported-by: Simon Kirby Signed-off-by: J. Bruce Fields Signed-off-by: Greg Kroah-Hartman --- diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index f0695e815f0ec..844960fd03953 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -524,13 +524,13 @@ idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen 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; diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h index 6b641cf2c19ac..7ecfa2420307c 100644 --- 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) diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c index 08e17264784b7..f0c2f237d0894 100644 --- 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 },