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e54afcd72b
listening on the loopback interface. Bump PORTREVISION. PR: ports/89672 Submitted by: Oles Hnatkevych <don_oles@able.com.ua> Approved by: jose@we.lc.ehu.es (maintainer, timeout 14 days)
26 lines
825 B
C
26 lines
825 B
C
--- src/datalink.c.orig Mon May 9 12:00:38 2005
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+++ src/datalink.c Mon May 9 12:23:47 2005
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@@ -42,6 +42,13 @@
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#include "tcpflow.h"
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+/*
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+ * Byte-swap a 32-bit number.
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+ * ("htonl()" or "ntohl()" won't work - we want to byte-swap even on
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+ * big-endian platforms.)
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+ */
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+#define SWAPLONG(y) \
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+((((y)&0xff)<<24) | (((y)&0xff00)<<8) | (((y)&0xff0000)>>8) | (((y)>>24)&0xff))
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/* The DLT_NULL packet header is 4 bytes long. It contains a network
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@@ -71,7 +78,8 @@
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#ifndef DLT_NULL_BROKEN
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/* make sure this is AF_INET */
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memcpy((char *)&family, (char *)p, sizeof(family));
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- family = ntohl(family);
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+ // family = ntohl(family);
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+ if ((family & 0xFFFF0000) != 0) family = SWAPLONG(family);
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if (family != AF_INET) {
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DEBUG(6) ("warning: received non-AF_INET null frame (type %d)", family);
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return;
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