PACK packets are illegal while downloading refs

3eec73ae · Nelson Elhage · e212011b · 3eec73ae
Commit 3eec73ae authored Jun 24, 2018 by Nelson Elhage
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src/transports/smart_protocol.c
+6 -0

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--- a/src/transports/smart_protocol.c
+++ b/src/transports/smart_protocol.c
@@ -70,6 +70,12 @@ int git_smart__store_refs(transport_smart *t, int flushes)
 			return -1;
 		}

+		if (pkt->type == GIT_PKT_PACK) {
+			giterr_set(GITERR_NET, "Unexpected packfile");
+			git__free(pkt);
+			return -1;
+		}
+
 		if (pkt->type != GIT_PKT_FLUSH && git_vector_insert(refs, pkt) < 0)
 			return -1;