tstellar / rpms / ntp

Forked from rpms/ntp 3 years ago
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diff -up ntp-4.2.6p5/ntpd/ntp_proto.c.cve-2015-7979 ntp-4.2.6p5/ntpd/ntp_proto.c
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--- ntp-4.2.6p5/ntpd/ntp_proto.c.cve-2015-7979	2016-01-21 14:20:45.760431895 +0100
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+++ ntp-4.2.6p5/ntpd/ntp_proto.c	2016-01-21 14:46:13.027106826 +0100
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@@ -1127,7 +1127,8 @@ receive(
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 		report_event(PEVNT_AUTH, peer, "crypto_NAK");
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 		peer->flash |= TEST5;		/* bad auth */
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 		peer->badauth++;
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-		if (peer->flags & FLAG_PREEMPT) {
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+		if (peer->flags & FLAG_PREEMPT && hismode != MODE_BROADCAST &&
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+		    !(peer->flash & (TEST2 | TEST3))) {
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 			unpeer(peer);
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 			return;
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 		}
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@@ -1153,7 +1154,8 @@ receive(
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 		if (has_mac &&
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 		    (hismode == MODE_ACTIVE || hismode == MODE_PASSIVE))
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 			fast_xmit(rbufp, MODE_ACTIVE, 0, restrict_mask);
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-		if (peer->flags & FLAG_PREEMPT) {
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+		if (peer->flags & FLAG_PREEMPT && hismode != MODE_BROADCAST &&
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+		    !(peer->flash & (TEST2 | TEST3))) {
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 			unpeer(peer);
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 			return;
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 		}