/* $Id$ */ /* * Copyright (c) 2001-2010 Aaron Turner * Copyright (c) 2013-2018 Fred Klassen - AppNeta * * The Tcpreplay Suite of tools is free software: you can redistribute it * and/or modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or with the authors permission any later version. * * The Tcpreplay Suite is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with the Tcpreplay Suite. If not, see . */ /* This file implements a fake, non-functioning version of the libpcapnav * API based on libpcap. It's solely here for people who don't have * libpcapnav installed on their system, and to keep the code maintainable. */ #include "config.h" #include "defines.h" #include "common.h" #include #ifndef HAVE_PCAPNAV /** * pcapnav_init does nothing! */ void pcapnav_init(void) { return; } /** * pcapnav_open_offline opens a pcap file, * and creates the struct for our use */ pcapnav_t * pcapnav_open_offline(const char *filename) { pcapnav_t *pcapnav; char errbuf[PCAP_ERRBUF_SIZE]; pcapnav = (pcapnav_t *) malloc(sizeof(pcapnav_t)); if (pcapnav == NULL) { err(-1, "malloc() error: unable to malloc pcapnav_t"); } pcapnav->pcap = pcap_open_offline(filename, errbuf); if (pcapnav->pcap == NULL) { errx(-1, "Error opening pcap file %s: %s", filename, errbuf); } return (pcapnav); } /** * closes our pcap file and free's the pcapnav */ void pcapnav_close(pcapnav_t * pcapnav) { pcap_close(pcapnav->pcap); safe_free(pcapnav); } /** * returns the pcap_t data struct */ pcap_t * pcapnav_pcap(pcapnav_t * pcapnav) { return (pcapnav->pcap); } #endif