upstream: fix memory leak in mux proxy mode when requesting forwarding.
found by RASU JSC, reported by Maks Mishin in GHPR#467 OpenBSD-Commit-ID: 97d96a166b1ad4b8d229864a553e3e56d3116860
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242742827f
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c47e1c9c79
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@ -1,4 +1,4 @@
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/* $OpenBSD: channels.c,v 1.436 2024/01/09 22:19:00 djm Exp $ */
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/* $OpenBSD: channels.c,v 1.437 2024/03/06 02:59:59 djm Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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@ -3245,9 +3245,8 @@ channel_proxy_downstream(struct ssh *ssh, Channel *downstream)
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goto out;
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}
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/* Record that connection to this host/port is permitted. */
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permission_set_add(ssh, FORWARD_USER, FORWARD_LOCAL, "<mux>", -1,
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listen_host, NULL, (int)listen_port, downstream);
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listen_host = NULL;
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permission_set_add(ssh, FORWARD_USER, FORWARD_LOCAL, "<mux>",
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-1, listen_host, NULL, (int)listen_port, downstream);
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break;
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case SSH2_MSG_CHANNEL_CLOSE:
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if (have < 4)
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