mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-27 09:37:43 +02:00
91 lines
2.3 KiB
Plaintext
91 lines
2.3 KiB
Plaintext
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Index: arpwatch/arpwatch.8
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diff -u arpwatch/arpwatch.8:1.1.1.1 arpwatch/arpwatch.8:1.1.1.1.6.1
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--- arpwatch/arpwatch.8:1.1.1.1 Tue Apr 17 13:31:36 2001
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+++ arpwatch/arpwatch.8 Tue Apr 17 13:50:23 2001
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@@ -29,6 +29,8 @@
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[
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.B -dN
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] [
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+.B -p
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+] [
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.B -f
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.I datafile
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] [
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@@ -81,6 +83,15 @@
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The
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.B -N
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flag disables reporting any bogons.
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+.LP
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+The
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+.B -p
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+flag disables promiscuous operation. ARP broadcasts get through hubs without
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+having the interface in promiscuous mode, while saving considerable resources
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+that would be wasted on processing gigabytes of non-broadcast traffic. OTOH,
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+setting promiscuous mode does not mean getting 100% traffic that would concern
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+.B arpwatch .
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+YMMV. (Debian specific)
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.LP
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The
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.B -r
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Index: arpwatch/arpwatch.c
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diff -u arpwatch/arpwatch.c:1.1.1.1.2.1 arpwatch/arpwatch.c:1.1.1.1.2.1.4.1
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--- arpwatch/arpwatch.c:1.1.1.1.2.1 Tue Apr 17 13:47:57 2001
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+++ arpwatch/arpwatch.c Tue Apr 17 13:50:23 2001
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@@ -159,6 +159,7 @@
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"i:"
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"n:"
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"N"
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+ "p"
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"r:"
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;
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@@ -206,6 +207,10 @@
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++nobogons;
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break;
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+ case 'p':
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+ ++nopromisc;
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+ break;
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+
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case 'r':
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rfilename = optarg;
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break;
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@@ -277,7 +282,7 @@
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snaplen = max(sizeof(struct ether_header),
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sizeof(struct fddi_header)) + sizeof(struct ether_arp);
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timeout = 1000;
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- pd = pcap_open_live(interface, snaplen, 1, timeout, errbuf);
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+ pd = pcap_open_live(interface, snaplen, !nopromisc, timeout, errbuf);
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if (pd == NULL) {
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syslog(LOG_ERR, "pcap open %s: %s", interface, errbuf);
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exit(1);
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@@ -758,6 +763,7 @@
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extern char version[];
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char usage[] =
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"[-dN] "
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+ "[-p] "
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"[-f datafile] "
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"[-i interface] "
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"[-n net[/width]] "
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Index: arpwatch/util.c
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diff -u arpwatch/util.c:1.1.1.1 arpwatch/util.c:1.1.1.1.6.1
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--- arpwatch/util.c:1.1.1.1 Tue Apr 17 13:31:37 2001
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+++ arpwatch/util.c Tue Apr 17 13:50:23 2001
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@@ -61,6 +61,7 @@
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int debug = 0;
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int initializing = 1; /* true if initializing */
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+int nopromisc = 0; /* don't activate promisc mode */
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/* syslog() helper routine */
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void
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Index: arpwatch/util.h
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diff -u arpwatch/util.h:1.1.1.1 arpwatch/util.h:1.1.1.1.6.1
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--- arpwatch/util.h:1.1.1.1 Tue Apr 17 13:31:37 2001
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+++ arpwatch/util.h Tue Apr 17 13:50:23 2001
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@@ -17,3 +17,4 @@
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extern int debug;
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extern int initializing;
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+extern int nopromisc;
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