From: Joseph Sutton <josephsutton@catalyst.net.nz>
Date: Mon, 3 May 2021 04:24:42 +0000 (+1200)
Subject: libsmb: Ensure that whoami parses all the data provided to it
X-Git-Tag: tevent-0.11.0~808
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9b96ebea5c6966b096cf1100a0895a9c41f2aa1d;p=thirdparty%2Fsamba.git

libsmb: Ensure that whoami parses all the data provided to it

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
---

diff --git a/source3/libsmb/clifsinfo.c b/source3/libsmb/clifsinfo.c
index c1f2eca8bcf..c4e2a01bc45 100644
--- a/source3/libsmb/clifsinfo.c
+++ b/source3/libsmb/clifsinfo.c
@@ -714,6 +714,13 @@ static void cli_posix_whoami_done(struct tevent_req *subreq)
 		p += sid_size;
 		num_rdata -= sid_size;
 	}
+
+	if (num_rdata != 0) {
+		tevent_req_nterror(req,
+			NT_STATUS_INVALID_NETWORK_RESPONSE);
+		return;
+	}
+
 	tevent_req_done(req);
 }