diff options
Diffstat (limited to 'net/sunrpc/svcauth_unix.c')
| -rw-r--r-- | net/sunrpc/svcauth_unix.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index c3f9e1ef7f5..621ca7b4a15 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -347,13 +347,13 @@ ip_map_cached_get(struct svc_xprt *xprt) spin_lock(&xprt->xpt_lock); ipm = xprt->xpt_auth_cache; if (ipm != NULL) { - if (!cache_valid(&ipm->h)) { + sn = net_generic(xprt->xpt_net, sunrpc_net_id); + if (cache_is_expired(sn->ip_map_cache, &ipm->h)) { /* * The entry has been invalidated since it was * remembered, e.g. by a second mount from the * same IP address. */ - sn = net_generic(xprt->xpt_net, sunrpc_net_id); xprt->xpt_auth_cache = NULL; spin_unlock(&xprt->xpt_lock); cache_put(&ipm->h, sn->ip_map_cache); @@ -493,8 +493,6 @@ static int unix_gid_parse(struct cache_detail *cd, if (rv) return -EINVAL; uid = make_kuid(&init_user_ns, id); - if (!uid_valid(uid)) - return -EINVAL; ug.uid = uid; expiry = get_expiry(&mesg); @@ -810,11 +808,15 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp) goto badcred; argv->iov_base = (void*)((__be32*)argv->iov_base + slen); /* skip machname */ argv->iov_len -= slen*4; - + /* + * Note: we skip uid_valid()/gid_valid() checks here for + * backwards compatibility with clients that use -1 id's. + * Instead, -1 uid or gid is later mapped to the + * (export-specific) anonymous id by nfsd_setuser. + * Supplementary gid's will be left alone. + */ cred->cr_uid = make_kuid(&init_user_ns, svc_getnl(argv)); /* uid */ cred->cr_gid = make_kgid(&init_user_ns, svc_getnl(argv)); /* gid */ - if (!uid_valid(cred->cr_uid) || !gid_valid(cred->cr_gid)) - goto badcred; slen = svc_getnl(argv); /* gids length */ if (slen > 16 || (len -= (slen + 2)*4) < 0) goto badcred; @@ -823,8 +825,6 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp) return SVC_CLOSE; for (i = 0; i < slen; i++) { kgid_t kgid = make_kgid(&init_user_ns, svc_getnl(argv)); - if (!gid_valid(kgid)) - goto badcred; GROUP_AT(cred->cr_group_info, i) = kgid; } if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) { |