diff options
| -rw-r--r-- | doc/randpkt.txt | 23 | ||||
| -rw-r--r-- | randpkt.c | 57 |
2 files changed, 55 insertions, 25 deletions
diff --git a/doc/randpkt.txt b/doc/randpkt.txt index 1de2929859..1b42b2fc7d 100644 --- a/doc/randpkt.txt +++ b/doc/randpkt.txt @@ -1,6 +1,6 @@ Random Packet Generator ----------------------- -$Id: randpkt.txt,v 1.1 1999/09/10 05:15:17 gram Exp $ +$Id: randpkt.txt,v 1.2 1999/09/10 15:38:58 gram Exp $ This small utility creates a libpcap trace file full of random packets. You can control the number of packets, the maximum size of each packet, @@ -84,27 +84,6 @@ in the following locations. NULL, WTAP_ENCAP_ETHERNET, 0 }, - - { "fddi", - "Fiber Distributed Data Interface", - PKT_FDDI, - NULL, - WTAP_ENCAP_FDDI, - 0 }, - - { "llc", - "Logical Link Control", - PKT_LLC, - pkt_llc, - WTAP_ENCAP_TR, - array_length(pkt_llc) }, - - { "tr", - "Token-Ring", - PKT_TR, - NULL, - WTAP_ENCAP_TR, - 0 } }; Note that packets that designate only their datalink type have no sample @@ -4,7 +4,7 @@ * Creates random packet traces. Useful for debugging sniffers by testing * assumptions about the veracity of the data found in the packet. * - * $Id: randpkt.c,v 1.1 1999/09/10 05:15:10 gram Exp $ + * $Id: randpkt.c,v 1.2 1999/09/10 15:38:48 gram Exp $ * * Copyright (C) 1999 by Gilbert Ramirez <gram@xiexie.org> * @@ -51,8 +51,11 @@ enum { PKT_ARP, PKT_ETHERNET, PKT_FDDI, + PKT_IP, PKT_LLC, - PKT_TR + PKT_TCP, + PKT_TR, + PKT_UDP }; typedef struct { @@ -72,6 +75,14 @@ guint8 pkt_arp[] = { 0x08, 0x06 }; +/* Ethernet, indicating IP */ +guint8 pkt_ip[] = { + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, + 0x08, 0x00 +}; + /* TR, indicating LLC */ guint8 pkt_llc[] = { 0x10, 0x40, 0x68, 0x00, @@ -80,6 +91,37 @@ guint8 pkt_llc[] = { 0xc4, 0x67 }; +/* TR+LLC+IP, indicating TCP */ +guint8 pkt_tcp[] = { + 0x10, 0x40, 0x68, 0x00, + 0x19, 0x69, 0x95, 0x8b, + 0x00, 0x01, 0xfa, 0x68, + 0xc4, 0x67, + + 0xaa, 0xaa, 0x03, 0x00, + 0x00, 0x00, 0x08, 0x00, + + 0x45, 0x00, 0x00, 0x28, + 0x0b, 0x0b, 0x40, 0x00, + 0x20, 0x06, 0x85, 0x37, + 0xc0, 0xa8, 0x27, 0x01, + 0xc0, 0xa8, 0x22, 0x3c +}; + +/* Ethernet+IP, indicating UDP */ +guint8 pkt_udp[] = { + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, + 0x08, 0x00, + + 0x45, 0x00, 0x00, 0x3c, + 0xc5, 0x9e, 0x40, 0x00, + 0xff, 0x11, 0xd7, 0xe0, + 0xd0, 0x15, 0x02, 0xb8, + 0x0a, 0x01, 0x01, 0x63 +}; + /* This little data table drives the whole program */ pkt_example examples[] = { { "arp", "Address Resolution Protocol", @@ -91,11 +133,20 @@ pkt_example examples[] = { { "fddi", "Fiber Distributed Data Interface", PKT_FDDI, NULL, WTAP_ENCAP_FDDI, 0 }, + { "ip", "Internet Protocol", + PKT_IP, pkt_ip, WTAP_ENCAP_ETHERNET, array_length(pkt_ip) }, + { "llc", "Logical Link Control", PKT_LLC, pkt_llc, WTAP_ENCAP_TR, array_length(pkt_llc) }, + { "tcp", "Transmission Control Protocol", + PKT_TCP, pkt_tcp, WTAP_ENCAP_TR, array_length(pkt_tcp) }, + { "tr", "Token-Ring", - PKT_TR, NULL, WTAP_ENCAP_TR, 0 } + PKT_TR, NULL, WTAP_ENCAP_TR, 0 }, + + { "udp", "User Datagram Protocol", + PKT_UDP, pkt_udp, WTAP_ENCAP_ETHERNET, array_length(pkt_udp) } }; |