package/arpwatch/patches/012_debian_opt_nopromisc

   1 Index: arpwatch/arpwatch.8
   2 diff -u arpwatch/arpwatch.8:1.1.1.1 arpwatch/arpwatch.8:1.1.1.1.6.1
   3 --- arpwatch/arpwatch.8:1.1.1.1 Tue Apr 17 13:31:36 2001
   4 +++ arpwatch/arpwatch.8 Tue Apr 17 13:50:23 2001
   5 @@ -29,6 +29,8 @@
   6  [
   7  .B -dN
   8  ] [
   9 +.B -p
  10 +] [
  11  .B -f
  12  .I datafile
  13  ] [
  14 @@ -81,6 +83,15 @@
  15  The
  16  .B -N
  17  flag disables reporting any bogons.
  18 +.LP
  19 +The
  20 +.B -p
  21 +flag disables promiscuous operation.  ARP broadcasts get through hubs without
  22 +having the interface in promiscuous mode, while saving considerable resources
  23 +that would be wasted on processing gigabytes of non-broadcast traffic.  OTOH,
  24 +setting promiscuous mode does not mean getting 100% traffic that would concern
  25 +.B arpwatch .
  26 +YMMV. (Debian specific)
  27  .LP
  28  The
  29  .B -r
  30 Index: arpwatch/arpwatch.c
  31 diff -u arpwatch/arpwatch.c:1.1.1.1.2.1 arpwatch/arpwatch.c:1.1.1.1.2.1.4.1
  32 --- arpwatch/arpwatch.c:1.1.1.1.2.1     Tue Apr 17 13:47:57 2001
  33 +++ arpwatch/arpwatch.c Tue Apr 17 13:50:23 2001
  34 @@ -159,6 +159,7 @@
  35                 "i:"
  36                 "n:"
  37                 "N"
  38 +               "p"
  39                 "r:"
  40         ;
  41
  42 @@ -206,6 +207,10 @@
  43                         ++nobogons;
  44                         break;
  45
  46 +               case 'p':
  47 +                       ++nopromisc;
  48 +                       break;
  49 +
  50                 case 'r':
  51                         rfilename = optarg;
  52                         break;
  53 @@ -277,7 +282,7 @@
  54                 snaplen = max(sizeof(struct ether_header),
  55                     sizeof(struct fddi_header)) + sizeof(struct ether_arp);
  56                 timeout = 1000;
  57 -               pd = pcap_open_live(interface, snaplen, 1, timeout, errbuf);
  58 +               pd = pcap_open_live(interface, snaplen, !nopromisc, timeout, errbuf);
  59                 if (pd == NULL) {
  60                         syslog(LOG_ERR, "pcap open %s: %s", interface, errbuf);
  61                         exit(1);
  62 @@ -758,6 +763,7 @@
  63         extern char version[];
  64         char usage[] =
  65                 "[-dN] "
  66 +               "[-p] "
  67                 "[-f datafile] "
  68                 "[-i interface] "
  69                 "[-n net[/width]] "
  70 Index: arpwatch/util.c
  71 diff -u arpwatch/util.c:1.1.1.1 arpwatch/util.c:1.1.1.1.6.1
  72 --- arpwatch/util.c:1.1.1.1     Tue Apr 17 13:31:37 2001
  73 +++ arpwatch/util.c     Tue Apr 17 13:50:23 2001
  74 @@ -61,6 +61,7 @@
  75
  76  int debug = 0;
  77  int initializing = 1;                  /* true if initializing */
  78 +int nopromisc = 0;                     /* don't activate promisc mode */
  79
  80  /* syslog() helper routine */
  81  void
  82 Index: arpwatch/util.h
  83 diff -u arpwatch/util.h:1.1.1.1 arpwatch/util.h:1.1.1.1.6.1
  84 --- arpwatch/util.h:1.1.1.1     Tue Apr 17 13:31:37 2001
  85 +++ arpwatch/util.h     Tue Apr 17 13:50:23 2001
  86 @@ -17,3 +17,4 @@
  87
  88  extern int debug;
  89  extern int initializing;
  90 +extern int nopromisc;