750 lines
15 KiB
C
750 lines
15 KiB
C
/*
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* randpkt_core.c
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* ---------
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* Creates random packet traces. Useful for debugging sniffers by testing
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* assumptions about the veracity of the data found in the packet.
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*
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* Copyright (C) 1999 by Gilbert Ramirez <gram@alumni.rice.edu>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <config.h>
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#define WS_LOG_DOMAIN "randpkt"
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#include "randpkt_core.h"
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#include <time.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wsutil/file_util.h>
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#include <wsutil/wslog.h>
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#include <wiretap/wtap_opttypes.h>
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#include "ui/failure_message.h"
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#define array_length(x) (sizeof x / sizeof x[0])
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#define INVALID_LEN 1
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#define WRITE_ERROR 2
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GRand *pkt_rand = NULL;
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/* Types of produceable packets */
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enum {
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PKT_ARP,
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PKT_BGP,
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PKT_BVLC,
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PKT_DNS,
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PKT_ETHERNET,
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PKT_FDDI,
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PKT_GIOP,
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PKT_ICMP,
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PKT_IEEE802154,
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PKT_IP,
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PKT_IPv6,
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PKT_LLC,
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PKT_M2M,
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PKT_MEGACO,
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PKT_NBNS,
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PKT_NCP2222,
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PKT_SCTP,
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PKT_SYSLOG,
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PKT_TCP,
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PKT_TDS,
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PKT_TR,
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PKT_UDP,
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PKT_USB,
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PKT_USB_LINUX
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};
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/* Ethernet, indicating ARP */
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guint8 pkt_arp[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x00, 0x00,
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0x32, 0x25, 0x0f, 0xff,
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0x08, 0x06
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};
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/* Ethernet+IP+UDP, indicating DNS */
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guint8 pkt_dns[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0x3c,
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0xc5, 0x9e, 0x40, 0x00,
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0xff, 0x11, 0xd7, 0xe0,
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0xd0, 0x15, 0x02, 0xb8,
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0x0a, 0x01, 0x01, 0x63,
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0x05, 0xe8, 0x00, 0x35,
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0xff, 0xff, 0x2a, 0xb9,
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0x30
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};
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/* Ethernet+IP, indicating ICMP */
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guint8 pkt_icmp[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0x54,
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0x8f, 0xb3, 0x40, 0x00,
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0xfd, 0x01, 0x8a, 0x99,
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0xcc, 0xfc, 0x66, 0x0b,
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0xce, 0x41, 0x62, 0x12
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};
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/* Ethernet, indicating IP */
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guint8 pkt_ip[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00
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};
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/* Ethernet, indicating IPv6 */
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guint8 pkt_ipv6[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x86, 0xdd, 0x60
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};
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/* TR, indicating LLC */
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guint8 pkt_llc[] = {
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0x10, 0x40, 0x68, 0x00,
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0x19, 0x69, 0x95, 0x8b,
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0x00, 0x01, 0xfa, 0x68,
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0xc4, 0x67
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};
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/* Ethernet, indicating WiMAX M2M */
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guint8 pkt_m2m[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x00, 0x00,
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0x32, 0x25, 0x0f, 0xff,
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0x08, 0xf0
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};
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/* Ethernet+IP+UDP, indicating NBNS */
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guint8 pkt_nbns[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0x3c,
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0xc5, 0x9e, 0x40, 0x00,
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0xff, 0x11, 0xd7, 0xe0,
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0xd0, 0x15, 0x02, 0xb8,
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0x0a, 0x01, 0x01, 0x63,
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0x00, 0x89, 0x00, 0x89,
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0x00, 0x00, 0x2a, 0xb9,
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0x30
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};
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/* Ethernet+IP+UDP, indicating syslog */
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guint8 pkt_syslog[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0x64,
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0x20, 0x48, 0x00, 0x00,
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0xfc, 0x11, 0xf8, 0x03,
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0xd0, 0x15, 0x02, 0xb8,
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0x0a, 0x01, 0x01, 0x63,
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0x05, 0xe8, 0x02, 0x02,
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0x00, 0x50, 0x51, 0xe1,
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0x3c
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};
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/* TR+LLC+IP, indicating TCP */
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guint8 pkt_tcp[] = {
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0x10, 0x40, 0x68, 0x00,
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0x19, 0x69, 0x95, 0x8b,
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0x00, 0x01, 0xfa, 0x68,
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0xc4, 0x67,
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0xaa, 0xaa, 0x03, 0x00,
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0x00, 0x00, 0x08, 0x00,
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0x45, 0x00, 0x00, 0x28,
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0x0b, 0x0b, 0x40, 0x00,
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0x20, 0x06, 0x85, 0x37,
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0xc0, 0xa8, 0x27, 0x01,
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0xc0, 0xa8, 0x22, 0x3c
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};
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/* Ethernet+IP, indicating UDP */
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guint8 pkt_udp[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0x3c,
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0xc5, 0x9e, 0x40, 0x00,
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0xff, 0x11, 0xd7, 0xe0,
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0xd0, 0x15, 0x02, 0xb8,
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0x0a, 0x01, 0x01, 0x63
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};
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/* Ethernet+IP+UDP, indicating BVLC */
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guint8 pkt_bvlc[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0x3c,
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0xc5, 0x9e, 0x40, 0x00,
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0xff, 0x11, 0x01, 0xaa,
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0xc1, 0xff, 0x19, 0x1e,
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0xc1, 0xff, 0x19, 0xff,
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0xba, 0xc0, 0xba, 0xc0,
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0x00, 0xff, 0x2d, 0x5e,
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0x81
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};
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/* TR+LLC+IPX, indicating NCP, with NCP Type == 0x2222 */
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guint8 pkt_ncp2222[] = {
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0x10, 0x40, 0x00, 0x00,
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0xf6, 0x7c, 0x9b, 0x70,
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0x68, 0x00, 0x19, 0x69,
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0x95, 0x8b, 0xe0, 0xe0,
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0x03, 0xff, 0xff, 0x00,
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0x25, 0x02, 0x11, 0x00,
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0x00, 0x74, 0x14, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x01, 0x04, 0x51, 0x00,
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0x00, 0x00, 0x04, 0x00,
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0x02, 0x16, 0x19, 0x7a,
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0x84, 0x40, 0x01, 0x22,
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0x22
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};
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/* Ethernet+IP+TCP, indicating GIOP */
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guint8 pkt_giop[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0xa6,
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0x00, 0x2f, 0x40, 0x00,
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0x40, 0x06, 0x3c, 0x21,
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0x7f, 0x00, 0x00, 0x01,
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0x7f, 0x00, 0x00, 0x01,
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0x30, 0x39, 0x04, 0x05,
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0xac, 0x02, 0x1e, 0x69,
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0xab, 0x74, 0xab, 0x64,
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0x80, 0x18, 0x79, 0x60,
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0xc4, 0xb8, 0x00, 0x00,
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0x01, 0x01, 0x08, 0x0a,
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0x00, 0x00, 0x48, 0xf5,
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0x00, 0x00, 0x48, 0xf5,
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0x47, 0x49, 0x4f, 0x50,
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0x01, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x30,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x01,
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0x01
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};
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/* Ethernet+IP+TCP, indicating BGP */
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guint8 pkt_bgp[] = {
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0xa6,
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0x00, 0x2f, 0x40, 0x00,
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0x40, 0x06, 0x3c, 0x21,
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0x7f, 0x00, 0x00, 0x01,
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0x7f, 0x00, 0x00, 0x01,
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0x30, 0x39, 0x00, 0xb3,
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0xac, 0x02, 0x1e, 0x69,
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0xab, 0x74, 0xab, 0x64,
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0x80, 0x18, 0x79, 0x60,
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0xc4, 0xb8, 0x00, 0x00,
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0x01, 0x01, 0x08, 0x0a,
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0x00, 0x00, 0x48, 0xf5,
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0x00, 0x00, 0x48, 0xf5,
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff,
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};
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/* Ethernet+IP+TCP, indicating TDS NetLib */
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guint8 pkt_tds[] = {
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0x00, 0x50, 0x8b, 0x0d,
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0x7a, 0xed, 0x00, 0x08,
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0xa3, 0x98, 0x39, 0x81,
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0x08, 0x00,
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0x45, 0x00, 0x03, 0x8d,
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0x90, 0xd4, 0x40, 0x00,
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0x7c, 0x06, 0xc3, 0x1b,
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0xac, 0x14, 0x02, 0x22,
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0x0a, 0xc2, 0xee, 0x82,
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0x05, 0x99, 0x08, 0xf8,
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0xff, 0x4e, 0x85, 0x46,
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0xa2, 0xb4, 0x42, 0xaa,
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0x50, 0x18, 0x3c, 0x28,
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0x0f, 0xda, 0x00, 0x00,
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};
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/* Ethernet+IP, indicating SCTP */
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guint8 pkt_sctp[] = {
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0x00, 0xa0, 0x80, 0x00,
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0x5e, 0x46, 0x08, 0x00,
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0x03, 0x4a, 0x00, 0x35,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0x7c,
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0x14, 0x1c, 0x00, 0x00,
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0x3b, 0x84, 0x4a, 0x54,
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0x0a, 0x1c, 0x06, 0x2b,
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0x0a, 0x1c, 0x06, 0x2c,
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};
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/* Ethernet+IP+SCTP, indicating MEGACO */
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guint8 pkt_megaco[] = {
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0x00, 0xa0, 0x80, 0x00,
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0x5e, 0x46, 0x08, 0x00,
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0x03, 0x4a, 0x00, 0x35,
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0x08, 0x00,
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0x45, 0x00, 0x00, 0x7c,
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0x14, 0x1c, 0x00, 0x00,
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0x3b, 0x84, 0x4a, 0x54,
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0x0a, 0x1c, 0x06, 0x2b,
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0x0a, 0x1c, 0x06, 0x2c,
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0x40, 0x00, 0x0b, 0x80,
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0x00, 0x01, 0x6f, 0x0a,
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0x6d, 0xb0, 0x18, 0x82,
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0x00, 0x03, 0x00, 0x5b,
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0x28, 0x02, 0x43, 0x45,
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0x00, 0x00, 0xa0, 0xbd,
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0x00, 0x00, 0x00, 0x07,
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};
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/* This little data table drives the whole program */
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static randpkt_example examples[] = {
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{ "arp", "Address Resolution Protocol",
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PKT_ARP, WTAP_ENCAP_ETHERNET,
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pkt_arp, array_length(pkt_arp),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "bgp", "Border Gateway Protocol",
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PKT_BGP, WTAP_ENCAP_ETHERNET,
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pkt_bgp, array_length(pkt_bgp),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "bvlc", "BACnet Virtual Link Control",
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PKT_BVLC, WTAP_ENCAP_ETHERNET,
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pkt_bvlc, array_length(pkt_bvlc),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "dns", "Domain Name Service",
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PKT_DNS, WTAP_ENCAP_ETHERNET,
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pkt_dns, array_length(pkt_dns),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "eth", "Ethernet",
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PKT_ETHERNET, WTAP_ENCAP_ETHERNET,
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NULL, 0,
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "fddi", "Fiber Distributed Data Interface",
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PKT_FDDI, WTAP_ENCAP_FDDI,
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NULL, 0,
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "giop", "General Inter-ORB Protocol",
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PKT_GIOP, WTAP_ENCAP_ETHERNET,
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pkt_giop, array_length(pkt_giop),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "icmp", "Internet Control Message Protocol",
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PKT_ICMP, WTAP_ENCAP_ETHERNET,
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pkt_icmp, array_length(pkt_icmp),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "ieee802.15.4", "IEEE 802.15.4",
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PKT_IEEE802154, WTAP_ENCAP_IEEE802_15_4,
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NULL, 0,
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NULL, 0,
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NULL, NULL,
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127,
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},
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{ "ip", "Internet Protocol",
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PKT_IP, WTAP_ENCAP_ETHERNET,
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pkt_ip, array_length(pkt_ip),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "ipv6", "Internet Protocol Version 6",
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PKT_IPv6, WTAP_ENCAP_ETHERNET,
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pkt_ipv6, array_length(pkt_ipv6),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "llc", "Logical Link Control",
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PKT_LLC, WTAP_ENCAP_TOKEN_RING,
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pkt_llc, array_length(pkt_llc),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "m2m", "WiMAX M2M Encapsulation Protocol",
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PKT_M2M, WTAP_ENCAP_ETHERNET,
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pkt_m2m, array_length(pkt_m2m),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "megaco", "MEGACO",
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PKT_MEGACO, WTAP_ENCAP_ETHERNET,
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pkt_megaco, array_length(pkt_megaco),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "nbns", "NetBIOS-over-TCP Name Service",
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PKT_NBNS, WTAP_ENCAP_ETHERNET,
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pkt_nbns, array_length(pkt_nbns),
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NULL, 0,
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NULL, NULL,
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1000,
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},
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{ "ncp2222", "NetWare Core Protocol",
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PKT_NCP2222, WTAP_ENCAP_TOKEN_RING,
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pkt_ncp2222, array_length(pkt_ncp2222),
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NULL, 0,
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|
NULL, NULL,
|
|
1000,
|
|
},
|
|
|
|
{ "sctp", "Stream Control Transmission Protocol",
|
|
PKT_SCTP, WTAP_ENCAP_ETHERNET,
|
|
pkt_sctp, array_length(pkt_sctp),
|
|
NULL, 0,
|
|
NULL, NULL,
|
|
1000,
|
|
},
|
|
|
|
{ "syslog", "Syslog message",
|
|
PKT_SYSLOG, WTAP_ENCAP_ETHERNET,
|
|
pkt_syslog, array_length(pkt_syslog),
|
|
NULL, 0,
|
|
NULL, NULL,
|
|
1000,
|
|
},
|
|
|
|
{ "tds", "TDS NetLib",
|
|
PKT_TDS, WTAP_ENCAP_ETHERNET,
|
|
pkt_tds, array_length(pkt_tds),
|
|
NULL, 0,
|
|
NULL, NULL,
|
|
1000,
|
|
},
|
|
|
|
{ "tcp", "Transmission Control Protocol",
|
|
PKT_TCP, WTAP_ENCAP_TOKEN_RING,
|
|
pkt_tcp, array_length(pkt_tcp),
|
|
NULL, 0,
|
|
NULL, NULL,
|
|
1000,
|
|
},
|
|
|
|
{ "tr", "Token-Ring",
|
|
PKT_TR, WTAP_ENCAP_TOKEN_RING,
|
|
NULL, 0,
|
|
NULL, 0,
|
|
NULL, NULL,
|
|
1000,
|
|
},
|
|
|
|
{ "udp", "User Datagram Protocol",
|
|
PKT_UDP, WTAP_ENCAP_ETHERNET,
|
|
pkt_udp, array_length(pkt_udp),
|
|
NULL, 0,
|
|
NULL, NULL,
|
|
1000,
|
|
},
|
|
|
|
{ "usb-linux", "Universal Serial Bus with Linux specific header",
|
|
PKT_USB_LINUX, WTAP_ENCAP_USB_LINUX,
|
|
NULL, 0,
|
|
NULL, 0,
|
|
NULL, NULL,
|
|
1000,
|
|
},
|
|
|
|
};
|
|
|
|
guint randpkt_example_count(void)
|
|
{
|
|
return array_length(examples);
|
|
}
|
|
|
|
/* Find pkt_example record and return pointer to it */
|
|
randpkt_example* randpkt_find_example(int type)
|
|
{
|
|
int num_entries = array_length(examples);
|
|
int i;
|
|
|
|
for (i = 0; i < num_entries; i++) {
|
|
if (examples[i].produceable_type == type) {
|
|
return &examples[i];
|
|
}
|
|
}
|
|
|
|
fprintf(stderr, "randpkt: Internal error. Type %d has no entry in examples table.\n",
|
|
type);
|
|
return NULL;
|
|
}
|
|
|
|
void randpkt_loop(randpkt_example* example, guint64 produce_count, guint64 packet_delay_ms)
|
|
{
|
|
guint i, j;
|
|
int err;
|
|
guint len_random;
|
|
guint len_this_pkt;
|
|
gchar* err_info;
|
|
union wtap_pseudo_header* ps_header;
|
|
guint8* buffer;
|
|
wtap_rec* rec;
|
|
|
|
rec = g_new0(wtap_rec, 1);
|
|
buffer = (guint8*)g_malloc0(65536);
|
|
|
|
rec->rec_type = REC_TYPE_PACKET;
|
|
rec->presence_flags = WTAP_HAS_TS;
|
|
rec->rec_header.packet_header.pkt_encap = example->sample_wtap_encap;
|
|
|
|
ps_header = &rec->rec_header.packet_header.pseudo_header;
|
|
|
|
/* Load the sample pseudoheader into our pseudoheader buffer */
|
|
if (example->pseudo_buffer)
|
|
memcpy(ps_header, example->pseudo_buffer, example->pseudo_length);
|
|
|
|
/* Load the sample into our buffer */
|
|
if (example->sample_buffer)
|
|
memcpy(buffer, example->sample_buffer, example->sample_length);
|
|
|
|
/* Produce random packets */
|
|
for (i = 0; i < produce_count; i++) {
|
|
if (example->produce_max_bytes > 0) {
|
|
len_random = g_rand_int_range(pkt_rand, 0, example->produce_max_bytes + 1);
|
|
}
|
|
else {
|
|
len_random = 0;
|
|
}
|
|
|
|
len_this_pkt = example->sample_length + len_random;
|
|
if (len_this_pkt > WTAP_MAX_PACKET_SIZE_STANDARD) {
|
|
/*
|
|
* Wiretap will fail when trying to read packets
|
|
* bigger than WTAP_MAX_PACKET_SIZE_STANDARD.
|
|
*/
|
|
len_this_pkt = WTAP_MAX_PACKET_SIZE_STANDARD;
|
|
}
|
|
|
|
rec->rec_header.packet_header.caplen = len_this_pkt;
|
|
rec->rec_header.packet_header.len = len_this_pkt;
|
|
rec->ts.secs = i; /* just for variety */
|
|
|
|
for (j = example->pseudo_length; j < (int) sizeof(*ps_header); j++) {
|
|
((guint8*)ps_header)[j] = g_rand_int_range(pkt_rand, 0, 0x100);
|
|
}
|
|
|
|
for (j = example->sample_length; j < len_this_pkt; j++) {
|
|
/* Add format strings here and there */
|
|
if ((int) (100.0*g_rand_double(pkt_rand)) < 3 && j < (len_random - 3)) {
|
|
memcpy(&buffer[j], "%s", 3);
|
|
j += 2;
|
|
} else {
|
|
buffer[j] = g_rand_int_range(pkt_rand, 0, 0x100);
|
|
}
|
|
}
|
|
|
|
if (!wtap_dump(example->dump, rec, buffer, &err, &err_info)) {
|
|
cfile_write_failure_message(NULL,
|
|
example->filename, err, err_info, 0,
|
|
wtap_dump_file_type_subtype(example->dump));
|
|
}
|
|
if (packet_delay_ms) {
|
|
g_usleep(1000 * (gulong)packet_delay_ms);
|
|
if (!wtap_dump_flush(example->dump, &err)) {
|
|
cfile_write_failure_message(NULL,
|
|
example->filename, err, NULL, 0,
|
|
wtap_dump_file_type_subtype(example->dump));
|
|
}
|
|
}
|
|
}
|
|
|
|
g_free(rec);
|
|
g_free(buffer);
|
|
}
|
|
|
|
gboolean randpkt_example_close(randpkt_example* example)
|
|
{
|
|
int err;
|
|
gchar *err_info;
|
|
gboolean ok = TRUE;
|
|
|
|
if (!wtap_dump_close(example->dump, NULL, &err, &err_info)) {
|
|
cfile_close_failure_message(example->filename, err, err_info);
|
|
ok = FALSE;
|
|
}
|
|
|
|
if (pkt_rand != NULL) {
|
|
g_rand_free(pkt_rand);
|
|
pkt_rand = NULL;
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
int randpkt_example_init(randpkt_example* example, char* produce_filename, int produce_max_bytes, int file_type_subtype)
|
|
{
|
|
int err;
|
|
gchar *err_info;
|
|
|
|
if (pkt_rand == NULL) {
|
|
pkt_rand = g_rand_new();
|
|
}
|
|
|
|
const wtap_dump_params params = {
|
|
.encap = example->sample_wtap_encap,
|
|
.snaplen = produce_max_bytes,
|
|
};
|
|
if (strcmp(produce_filename, "-") == 0) {
|
|
/* Write to the standard output. */
|
|
example->dump = wtap_dump_open_stdout(file_type_subtype,
|
|
WTAP_UNCOMPRESSED, ¶ms, &err, &err_info);
|
|
example->filename = "the standard output";
|
|
} else {
|
|
example->dump = wtap_dump_open(produce_filename, file_type_subtype,
|
|
WTAP_UNCOMPRESSED, ¶ms, &err, &err_info);
|
|
example->filename = produce_filename;
|
|
}
|
|
if (!example->dump) {
|
|
cfile_dump_open_failure_message(produce_filename,
|
|
err, err_info, file_type_subtype);
|
|
return WRITE_ERROR;
|
|
}
|
|
|
|
/* reduce max_bytes by # of bytes already in sample */
|
|
if (produce_max_bytes <= example->sample_length) {
|
|
fprintf(stderr, "randpkt: Sample packet length is %d, which is greater than "
|
|
"or equal to\n", example->sample_length);
|
|
fprintf(stderr, "your requested max_bytes value of %d\n", produce_max_bytes);
|
|
return INVALID_LEN;
|
|
} else {
|
|
example->produce_max_bytes = produce_max_bytes - example->sample_length;
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
/* Parse command-line option "type" and return enum type */
|
|
int randpkt_parse_type(char *string)
|
|
{
|
|
int num_entries = array_length(examples);
|
|
int i;
|
|
|
|
/* If called with NULL, or empty string, choose a random packet */
|
|
if (!string || !g_strcmp0(string, "")) {
|
|
return examples[g_random_int_range(0, num_entries)].produceable_type;
|
|
}
|
|
|
|
for (i = 0; i < num_entries; i++) {
|
|
if (g_strcmp0(examples[i].abbrev, string) == 0) {
|
|
return examples[i].produceable_type;
|
|
}
|
|
}
|
|
|
|
/* Complain */
|
|
ws_error("randpkt: Type %s not known.\n", string);
|
|
return -1;
|
|
}
|
|
|
|
void randpkt_example_list(char*** abbrev_list, char*** longname_list)
|
|
{
|
|
unsigned i;
|
|
unsigned list_num;
|
|
list_num = randpkt_example_count();
|
|
*abbrev_list = g_new0(char*, list_num + 1);
|
|
*longname_list = g_new0(char*, list_num + 1);
|
|
for (i = 0; i < list_num; i++) {
|
|
(*abbrev_list)[i] = g_strdup(examples[i].abbrev);
|
|
(*longname_list)[i] = g_strdup(examples[i].longname);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|