auth_gss: fetch the acceptor name out of the downcall
If rpc.gssd sends us an acceptor name string trailing the context token,
stash it as part of the context.
Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index b6e440b..e34af68 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -262,9 +262,22 @@
p = ERR_PTR(ret);
goto err;
}
- dprintk("RPC: %s Success. gc_expiry %lu now %lu timeout %u\n",
- __func__, ctx->gc_expiry, now, timeout);
- return q;
+
+ /* is there any trailing data? */
+ if (q == end) {
+ p = q;
+ goto done;
+ }
+
+ /* pull in acceptor name (if there is one) */
+ p = simple_get_netobj(q, end, &ctx->gc_acceptor);
+ if (IS_ERR(p))
+ goto err;
+done:
+ dprintk("RPC: %s Success. gc_expiry %lu now %lu timeout %u acceptor %.*s\n",
+ __func__, ctx->gc_expiry, now, timeout, ctx->gc_acceptor.len,
+ ctx->gc_acceptor.data);
+ return p;
err:
dprintk("RPC: %s returns error %ld\n", __func__, -PTR_ERR(p));
return p;
@@ -1225,6 +1238,7 @@
gss_delete_sec_context(&ctx->gc_gss_ctx);
kfree(ctx->gc_wire_ctx.data);
+ kfree(ctx->gc_acceptor.data);
kfree(ctx);
}