* 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 1.18 2002/11/17 21:47:41 gerald Exp $
+ * $Id$
*
* Copyright (C) 1999 by Gilbert Ramirez <gram@alumni.rice.edu>
*
/* Types of produceable packets */
enum {
PKT_ARP,
+ PKT_BGP,
+ PKT_BVLC,
PKT_DNS,
PKT_ETHERNET,
PKT_FDDI,
+ PKT_GIOP,
PKT_ICMP,
PKT_IP,
PKT_LLC,
+ PKT_M2M,
+ PKT_MEGACO,
PKT_NBNS,
+ PKT_NCP2222,
+ PKT_SCTP,
PKT_SYSLOG,
PKT_TCP,
- PKT_TR,
- PKT_UDP,
- PKT_BVLC,
- PKT_NCP2222,
- PKT_GIOP,
- PKT_BGP,
PKT_TDS,
+ PKT_TR,
+ PKT_UDP
};
typedef struct {
- char *abbrev;
- char *longname;
- int produceable_type;
- guint8 *sample_buffer;
- int sample_wtap_encap;
- int sample_length;
+ const char *abbrev;
+ const char *longname;
+ int produceable_type;
+ guint8 *sample_buffer;
+ int sample_wtap_encap;
+ int sample_length;
} pkt_example;
/* Ethernet, indicating ARP */
0x0a, 0x01, 0x01, 0x63,
0x05, 0xe8, 0x00, 0x35,
- 0x00, 0x00, 0x2a, 0xb9,
+ 0xff, 0xff, 0x2a, 0xb9,
0x30
};
0xc4, 0x67
};
+/* Ethernet, indicating WiMAX M2M */
+guint8 pkt_m2m[] = {
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0x00, 0x00,
+ 0x32, 0x25, 0x0f, 0xff,
+ 0x08, 0xf0
+};
+
/* Ethernet+IP+UDP, indicating NBNS */
guint8 pkt_nbns[] = {
0xff, 0xff, 0xff, 0xff,
0x0f, 0xda, 0x00, 0x00,
};
+/* Ethernet+IP, indicating SCTP */
+guint8 pkt_sctp[] = {
+ 0x00, 0xa0, 0x80, 0x00,
+ 0x5e, 0x46, 0x08, 0x00,
+ 0x03, 0x4a, 0x00, 0x35,
+ 0x08, 0x00,
+
+ 0x45, 0x00, 0x00, 0x7c,
+ 0x14, 0x1c, 0x00, 0x00,
+ 0x3b, 0x84, 0x4a, 0x54,
+ 0x0a, 0x1c, 0x06, 0x2b,
+ 0x0a, 0x1c, 0x06, 0x2c,
+};
+
+
+/* Ethernet+IP+SCTP, indicating MEGACO */
+guint8 pkt_megaco[] = {
+ 0x00, 0xa0, 0x80, 0x00,
+ 0x5e, 0x46, 0x08, 0x00,
+ 0x03, 0x4a, 0x00, 0x35,
+ 0x08, 0x00,
+
+ 0x45, 0x00, 0x00, 0x7c,
+ 0x14, 0x1c, 0x00, 0x00,
+ 0x3b, 0x84, 0x4a, 0x54,
+ 0x0a, 0x1c, 0x06, 0x2b,
+ 0x0a, 0x1c, 0x06, 0x2c,
+
+ 0x40, 0x00, 0x0b, 0x80,
+ 0x00, 0x01, 0x6f, 0x0a,
+ 0x6d, 0xb0, 0x18, 0x82,
+ 0x00, 0x03, 0x00, 0x5b,
+ 0x28, 0x02, 0x43, 0x45,
+ 0x00, 0x00, 0xa0, 0xbd,
+ 0x00, 0x00, 0x00, 0x07,
+};
+
/* This little data table drives the whole program */
pkt_example examples[] = {
{ "arp", "Address Resolution Protocol",
PKT_ARP, pkt_arp, WTAP_ENCAP_ETHERNET, array_length(pkt_arp) },
+ { "bgp", "Border Gateway Protocol",
+ PKT_BGP, pkt_bgp, WTAP_ENCAP_ETHERNET, array_length(pkt_bgp) },
+
+ { "bvlc", "BACnet Virtual Link Control",
+ PKT_BVLC, pkt_bvlc, WTAP_ENCAP_ETHERNET, array_length(pkt_bvlc) },
+
{ "dns", "Domain Name Service",
PKT_DNS, pkt_dns, WTAP_ENCAP_ETHERNET, array_length(pkt_dns) },
{ "fddi", "Fiber Distributed Data Interface",
PKT_FDDI, NULL, WTAP_ENCAP_FDDI, 0 },
+ { "giop", "General Inter-ORB Protocol",
+ PKT_GIOP, pkt_giop, WTAP_ENCAP_ETHERNET, array_length(pkt_giop) },
+
{ "icmp", "Internet Control Message Protocol",
PKT_ICMP, pkt_icmp, WTAP_ENCAP_ETHERNET, array_length(pkt_icmp) },
{ "llc", "Logical Link Control",
PKT_LLC, pkt_llc, WTAP_ENCAP_TOKEN_RING, array_length(pkt_llc) },
+ { "m2m", "WiMAX M2M Encapsulation Protocol",
+ PKT_M2M, pkt_m2m, WTAP_ENCAP_ETHERNET, array_length(pkt_m2m) },
+
+ { "megaco", "MEGACO",
+ PKT_MEGACO, pkt_megaco, WTAP_ENCAP_ETHERNET, array_length(pkt_megaco) },
+
{ "nbns", "NetBIOS-over-TCP Name Service",
PKT_NBNS, pkt_nbns, WTAP_ENCAP_ETHERNET, array_length(pkt_nbns) },
+ { "ncp2222", "NetWare Core Protocol",
+ PKT_NCP2222, pkt_ncp2222, WTAP_ENCAP_TOKEN_RING, array_length(pkt_ncp2222) },
+
+ { "sctp", "Stream Control Transmission Protocol",
+ PKT_SCTP, pkt_sctp, WTAP_ENCAP_ETHERNET, array_length(pkt_sctp) },
+
{ "syslog", "Syslog message",
PKT_SYSLOG, pkt_syslog, WTAP_ENCAP_ETHERNET, array_length(pkt_syslog) },
+ { "tds", "TDS NetLib",
+ PKT_TDS, pkt_tds, WTAP_ENCAP_ETHERNET, array_length(pkt_tds) },
+
{ "tcp", "Transmission Control Protocol",
PKT_TCP, pkt_tcp, WTAP_ENCAP_TOKEN_RING, array_length(pkt_tcp) },
{ "udp", "User Datagram Protocol",
PKT_UDP, pkt_udp, WTAP_ENCAP_ETHERNET, array_length(pkt_udp) },
- { "bvlc", "BACnet Virtual Link Control",
- PKT_BVLC, pkt_bvlc, WTAP_ENCAP_ETHERNET, array_length(pkt_bvlc) },
-
- { "ncp2222", "NetWare Core Protocol",
- PKT_NCP2222, pkt_ncp2222, WTAP_ENCAP_TOKEN_RING, array_length(pkt_ncp2222) },
-
- { "giop", "General Inter-ORB Protocol",
- PKT_GIOP, pkt_giop, WTAP_ENCAP_ETHERNET, array_length(pkt_giop) },
-
- { "bgp", "Border Gateway Protocol",
- PKT_BGP, pkt_bgp, WTAP_ENCAP_ETHERNET, array_length(pkt_bgp) },
-
- { "tds", "TDS NetLib",
- PKT_TDS, pkt_tds, WTAP_ENCAP_ETHERNET, array_length(pkt_tds) },
-
};
example = find_example(produce_type);
- pkthdr.ts.tv_sec = 0;
- pkthdr.ts.tv_usec = 0;
+ pkthdr.ts.secs = 0;
+ pkthdr.ts.nsecs = 0;
pkthdr.pkt_encap = example->sample_wtap_encap;
dump = wtap_dump_open(produce_filename, WTAP_FILE_PCAP,
- example->sample_wtap_encap, produce_max_bytes, &err);
+ example->sample_wtap_encap, produce_max_bytes, FALSE /* compressed */, &err);
+ if (!dump) {
+ printf("Error writing to %s\n", produce_filename);
+ exit(1);
+ }
seed();
pkthdr.caplen = len_this_pkt;
pkthdr.len = len_this_pkt;
- pkthdr.ts.tv_sec = i; /* just for variety */
-
- for (j = example->sample_length; j < len_random; j++) {
- buffer[j] = (rand() % 0x100);
+ pkthdr.ts.secs = i; /* just for variety */
+
+ for (j = example->sample_length; j < len_this_pkt; j++) {
+ /* Add format strings here and there */
+ if ((int) (100.0*rand()/(RAND_MAX+1.0)) < 3 && j < (len_random - 3)) {
+ memcpy(&buffer[j], "%s", 3);
+ j += 2;
+ } else {
+ buffer[j] = (rand() % 0x100);
+ }
}
wtap_dump(dump, &pkthdr, &ps_header, &buffer[0], &err);
git.samba.org / obnox / wireshark / wip.git / blobdiff