diff options
| author | Terry Dawson VK2KTJ <terry@animats.net> | 2001-09-12 13:18:43 +0000 |
|---|---|---|
| committer | Terry Dawson VK2KTJ <terry@animats.net> | 2001-09-12 13:18:43 +0000 |
| commit | 0eb707fdcf1b87e71bb3a9eaa8472d0b05799a3d (patch) | |
| tree | b2db8371470b697e3ae8a19b1e78c7805046f2d2 /listen/arpdump.c | |
| parent | 628edceba5f1485ef7c4ef30fba93b4c0c0dd955 (diff) | |
updated libtool, uniformly indented source, corrected small ax25mond Makefile bug
Diffstat (limited to 'listen/arpdump.c')
| -rw-r--r-- | listen/arpdump.c | 48 |
1 files changed, 22 insertions, 26 deletions
diff --git a/listen/arpdump.c b/listen/arpdump.c index c399098..ef94c00 100644 --- a/listen/arpdump.c +++ b/listen/arpdump.c @@ -1,4 +1,4 @@ -/* @(#) $Header: /home/ax25-cvs/ax25-apps/listen/arpdump.c,v 1.1 2001/04/10 01:58:51 csmall Exp $ */ +/* @(#) $Header: /home/ax25-cvs/ax25-apps/listen/arpdump.c,v 1.2 2001/09/12 13:18:43 terry Exp $ */ /* ARP packet tracing routines * Copyright 1991 Phil Karn, KA9Q @@ -31,20 +31,18 @@ void arp_dump(unsigned char *data, int length) lprintf(T_PROTOCOL, "ARP: "); lprintf(T_IPHDR, "len %d", length); - if (length < 16) - { + if (length < 16) { lprintf(T_ERROR, " bad packet\n"); return; } - hardware = get16(data + 0); - protocol = get16(data + 2); - hwlen = data[4]; - pralen = data[5]; + hardware = get16(data + 0); + protocol = get16(data + 2); + hwlen = data[4]; + pralen = data[5]; operation = get16(data + 6); - - if (hardware != ARP_AX25) - { + + if (hardware != ARP_AX25) { lprintf(T_IPHDR, " non-AX25 ARP packet\n"); return; } @@ -57,18 +55,14 @@ void arp_dump(unsigned char *data, int length) if (hwlen != AXALEN) lprintf(T_IPHDR, " hwlen %d", hwlen); - if (protocol == PID_IP) - { + if (protocol == PID_IP) { lprintf(T_IPHDR, " prot IP"); is_ip = 1; - } - else - { + } else { lprintf(T_IPHDR, " prot 0x%x prlen %d", protocol, pralen); } - switch (operation) - { + switch (operation) { case ARP_REQUEST: lprintf(T_IPHDR, " op REQUEST"); break; @@ -85,21 +79,23 @@ void arp_dump(unsigned char *data, int length) lprintf(T_IPHDR, " op %d", operation); break; } - - shwaddr = data + 8; + + shwaddr = data + 8; sprotaddr = shwaddr + hwlen; - - thwaddr = sprotaddr + pralen; - tprotaddr = thwaddr + hwlen; - + + thwaddr = sprotaddr + pralen; + tprotaddr = thwaddr + hwlen; + lprintf(T_IPHDR, "\nsender"); - if (is_ip) lprintf(T_ADDR, " IPaddr %d.%d.%d.%d", + if (is_ip) + lprintf(T_ADDR, " IPaddr %d.%d.%d.%d", sprotaddr[0], sprotaddr[1], sprotaddr[2], sprotaddr[3]); lprintf(T_IPHDR, " hwaddr %s\n", pax25(tmp, shwaddr)); - lprintf(T_IPHDR,"target"); - if (is_ip) lprintf(T_ADDR, " IPaddr %d.%d.%d.%d", + lprintf(T_IPHDR, "target"); + if (is_ip) + lprintf(T_ADDR, " IPaddr %d.%d.%d.%d", tprotaddr[0], tprotaddr[1], tprotaddr[2], tprotaddr[3]); if (*thwaddr != 0) |