| 1 | /* |
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| 2 | * This file is part of libtrace |
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| 3 | * |
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| 4 | * Copyright (c) 2007 The University of Waikato, Hamilton, New Zealand. |
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| 5 | * Authors: Daniel Lawson |
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| 6 | * Perry Lorier |
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| 7 | * |
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| 8 | * All rights reserved. |
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| 9 | * |
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| 10 | * This code has been developed by the University of Waikato WAND |
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| 11 | * research group. For further information please see http://www.wand.net.nz/ |
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| 12 | * |
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| 13 | * libtrace is free software; you can redistribute it and/or modify |
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| 14 | * it under the terms of the GNU General Public License as published by |
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| 15 | * the Free Software Foundation; either version 2 of the License, or |
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| 16 | * (at your option) any later version. |
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| 17 | * |
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| 18 | * libtrace is distributed in the hope that it will be useful, |
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 21 | * GNU General Public License for more details. |
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| 22 | * |
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| 23 | * You should have received a copy of the GNU General Public License |
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| 24 | * along with libtrace; if not, write to the Free Software |
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| 25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 26 | * |
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| 27 | * $Id: test-pcap-to-erf.c,v 1.3 2006/02/27 03:41:12 perry Exp $ |
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| 28 | * |
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| 29 | */ |
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| 30 | #ifndef WIN32 |
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| 31 | # include <sys/time.h> |
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| 32 | # include <netinet/in.h> |
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| 33 | # include <netinet/in_systm.h> |
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| 34 | # include <netinet/tcp.h> |
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| 35 | # include <netinet/ip.h> |
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| 36 | # include <netinet/ip_icmp.h> |
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| 37 | # include <arpa/inet.h> |
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| 38 | # include <sys/socket.h> |
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| 39 | #endif |
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| 40 | |
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| 41 | #include <stdio.h> |
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| 42 | #include <stdlib.h> |
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| 43 | #include <assert.h> |
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| 44 | #include <string.h> |
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| 45 | #include <sys/types.h> |
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| 46 | #include <time.h> |
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| 47 | #include <string.h> |
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| 48 | |
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| 49 | #include "dagformat.h" |
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| 50 | #include "libtrace.h" |
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| 51 | #include "libpacketdump.h" |
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| 52 | |
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| 53 | void iferr(libtrace_t *trace) |
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| 54 | { |
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| 55 | libtrace_err_t err = trace_get_err(trace); |
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| 56 | if (err.err_num==0) |
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| 57 | return; |
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| 58 | printf("Error: %s\n",err.problem); |
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| 59 | exit(1); |
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| 60 | } |
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| 61 | |
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| 62 | void iferrout(libtrace_out_t *trace) |
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| 63 | { |
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| 64 | libtrace_err_t err = trace_get_err_output(trace); |
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| 65 | if (err.err_num==0) |
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| 66 | return; |
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| 67 | printf("Error: %s\n",err.problem); |
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| 68 | exit(1); |
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| 69 | } |
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| 70 | |
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| 71 | char *lookup_uri(const char *type) |
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| 72 | { |
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| 73 | if (!strcmp(type,"erf")) |
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| 74 | return "erf:traces/100_packets.erf"; |
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| 75 | if (!strcmp(type,"pcap")) |
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| 76 | return "pcap:traces/100_packets.pcap"; |
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| 77 | if (!strcmp(type,"wtf")) |
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| 78 | return "wtf:traces/wed.wtf"; |
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| 79 | if (!strcmp(type,"rtclient")) |
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| 80 | return "rtclient:chasm"; |
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| 81 | if (!strcmp(type,"pcapfile")) |
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| 82 | return "pcapfile:traces/100_packets.pcap"; |
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| 83 | if (!strcmp(type,"legacyatm")) |
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| 84 | return "legacyatm:traces/legacyatm.gz"; |
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| 85 | if (!strcmp(type,"legacypos")) |
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| 86 | return "legacypos:traces/legacypos.gz"; |
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| 87 | if (!strcmp(type,"legacyeth")) |
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| 88 | return "legacyeth:traces/legacyeth.gz"; |
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| 89 | if (!strcmp(type, "duck")) |
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| 90 | return "duck:traces/100_packets.duck"; |
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| 91 | if (!strcmp(type, "tsh")) |
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| 92 | return "tsh:traces/10_packets.tsh.gz"; |
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| 93 | return "unknown"; |
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| 94 | } |
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| 95 | |
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| 96 | char *lookup_out_uri(const char *type) { |
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| 97 | if (!strcmp(type,"erf")) |
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| 98 | return "erf:traces/100_packets.out.erf"; |
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| 99 | if (!strcmp(type,"pcap")) |
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| 100 | return "pcap:traces/100_packets.out.pcap"; |
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| 101 | if (!strcmp(type,"pcapfile")) |
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| 102 | return "pcapfile:traces/100_packets.out.pcap"; |
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| 103 | if (!strcmp(type,"wtf")) |
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| 104 | return "wtf:traces/wed.out.wtf"; |
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| 105 | if (!strcmp(type,"duck")) |
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| 106 | return "duck:traces/100_packets.out.duck"; |
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| 107 | return "unknown"; |
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| 108 | } |
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| 109 | |
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| 110 | int convert_fail(libtrace_packet_t *p1, libtrace_packet_t *p2) { |
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| 111 | |
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| 112 | libtrace_linktype_t l1, l2; |
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| 113 | |
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| 114 | int cap1, cap2, wire1, wire2; |
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| 115 | |
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| 116 | l1 = trace_get_link_type(p1); |
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| 117 | l2 = trace_get_link_type(p2); |
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| 118 | |
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| 119 | cap1 = trace_get_capture_length(p1); |
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| 120 | cap2 = trace_get_capture_length(p2); |
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| 121 | |
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| 122 | wire1 = trace_get_wire_length(p1); |
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| 123 | wire2 = trace_get_wire_length(p2); |
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| 124 | |
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| 125 | |
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| 126 | /* If the capture lengths are not the same, it may be because the |
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| 127 | * packet has been truncated - the important thing then is that the |
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| 128 | * wire lengths match */ |
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| 129 | if (cap1 != cap2) { |
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| 130 | |
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| 131 | /* Check for truncation */ |
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| 132 | if (cap2 == wire2) |
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| 133 | return 0; |
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| 134 | |
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| 135 | /* Check that the wire length is unchanged */ |
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| 136 | if (wire1 == wire2) |
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| 137 | return 0; |
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| 138 | |
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| 139 | /* There is no matching DLT for ATM, so we have to demote the |
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| 140 | * packet to LLCSNAP when converting to pcap. The demotion |
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| 141 | * loses 4 bytes of ATM header, but we need to allow for that |
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| 142 | */ |
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| 143 | if (l1 == TRACE_TYPE_ATM && l2 == TRACE_TYPE_LLCSNAP) { |
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| 144 | if (wire1 - wire2 == 4) |
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| 145 | return 0; |
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| 146 | } |
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| 147 | |
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| 148 | return 1; |
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| 149 | } |
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| 150 | |
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| 151 | return 0; |
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| 152 | } |
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| 153 | |
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| 154 | int main(int argc, char *argv[]) { |
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| 155 | int psize = 0; |
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| 156 | int error = 0; |
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| 157 | uint64_t count = 0; |
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| 158 | int level = 0; |
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| 159 | int expected = 100; |
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| 160 | int tcpcount = 0; |
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| 161 | libtrace_t *trace,*trace2; |
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| 162 | libtrace_out_t *outtrace; |
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| 163 | libtrace_packet_t *packet,*packet2; |
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| 164 | const char *trace1name; |
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| 165 | const char *trace2name; |
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| 166 | |
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| 167 | trace = trace_create(argv[1]); |
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| 168 | iferr(trace); |
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| 169 | |
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| 170 | if (strcmp(argv[1],"rtclient")==0) |
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| 171 | expected=101; |
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| 172 | |
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| 173 | outtrace = trace_create_output(argv[2]); |
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| 174 | iferrout(outtrace); |
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| 175 | |
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| 176 | level=0; |
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| 177 | trace_config_output(outtrace,TRACE_OPTION_OUTPUT_COMPRESS,&level); |
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| 178 | if (trace_is_err_output(outtrace)) { |
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| 179 | trace_perror_output(outtrace,"WARNING: "); |
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| 180 | } |
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| 181 | |
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| 182 | trace_start(trace); |
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| 183 | iferr(trace); |
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| 184 | trace_start_output(outtrace); |
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| 185 | iferrout(outtrace); |
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| 186 | |
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| 187 | packet=trace_create_packet(); |
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| 188 | for (;;) { |
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| 189 | if ((psize = trace_read_packet(trace, packet)) <0) { |
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| 190 | error = 1; |
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| 191 | break; |
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| 192 | } |
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| 193 | if (psize == 0) { |
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| 194 | error = 0; |
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| 195 | break; |
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| 196 | } |
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| 197 | count ++; |
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| 198 | trace_write_packet(outtrace,packet); |
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| 199 | iferrout(outtrace); |
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| 200 | } |
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| 201 | trace_destroy_packet(packet); |
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| 202 | if (error != 0) { |
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| 203 | iferr(trace); |
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| 204 | } |
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| 205 | trace_destroy(trace); |
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| 206 | trace_destroy_output(outtrace); |
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| 207 | |
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| 208 | if (error) |
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| 209 | return error; |
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| 210 | |
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| 211 | /* Now read it back in again and check it's all kosher */ |
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| 212 | trace1name = argv[1]; |
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| 213 | trace = trace_create(trace1name); |
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| 214 | iferr(trace); |
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| 215 | trace_start(trace); |
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| 216 | trace2name = (argv[2]); |
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| 217 | trace2 = trace_create(trace2name); |
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| 218 | iferr(trace2); |
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| 219 | trace_start(trace2); |
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| 220 | iferr(trace2); |
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| 221 | packet=trace_create_packet(); |
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| 222 | packet2=trace_create_packet(); |
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| 223 | count=0; |
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| 224 | tcpcount=0; |
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| 225 | while(trace_read_packet(trace,packet)>0) { |
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| 226 | int err; |
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| 227 | ++count; |
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| 228 | if ((err=trace_read_packet(trace2,packet2))<1) { |
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| 229 | printf("premature EOF on destination, %lu from %s, %i from %s\n",count,lookup_uri(argv[1]),count-1,lookup_out_uri(argv[2])); |
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| 230 | iferr(trace2); |
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| 231 | error=1; |
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| 232 | break; |
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| 233 | } |
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| 234 | /* The capture length might be snapped down to the wire length */ |
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| 235 | if (convert_fail(packet, packet2)) { |
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| 236 | printf("\t%s\t%s\n", |
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| 237 | trace1name, |
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| 238 | trace2name); |
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| 239 | printf("packet\t%lu\n", count); |
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| 240 | printf("caplen\t%zd\t%zd\t%+zd\n", |
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| 241 | trace_get_capture_length(packet), |
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| 242 | trace_get_capture_length(packet2), |
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| 243 | trace_get_capture_length(packet2)-trace_get_capture_length(packet)); |
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| 244 | printf("wirelen\t%zd\t%zd\t%+zd\n", |
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| 245 | trace_get_wire_length(packet), |
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| 246 | trace_get_wire_length(packet2), |
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| 247 | trace_get_wire_length(packet2)-trace_get_wire_length(packet)); |
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| 248 | printf("link\t%d\t%d\n", |
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| 249 | trace_get_link_type(packet), |
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| 250 | trace_get_link_type(packet2)); |
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| 251 | abort(); |
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| 252 | } |
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| 253 | |
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| 254 | if (trace_get_tcp(packet)) { |
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| 255 | if (!trace_get_tcp(packet2)) { |
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| 256 | printf("trace corrupt -- expected tcp\n"); |
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| 257 | |
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| 258 | //trace_dump_packet(packet); |
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| 259 | trace_hexdump_packet(packet); |
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| 260 | printf("\n"); |
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| 261 | //trace_dump_packet(packet2); |
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| 262 | trace_hexdump_packet(packet2); |
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| 263 | |
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| 264 | |
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| 265 | error=1; |
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| 266 | break; |
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| 267 | } |
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| 268 | ++tcpcount; |
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| 269 | } else { |
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| 270 | if (trace_get_tcp(packet2)) { |
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| 271 | printf("trace corrupt: unexpected tcp\n"); |
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| 272 | error=1; |
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| 273 | break; |
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| 274 | } |
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| 275 | } |
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| 276 | |
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| 277 | } |
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| 278 | if (count != 0 && trace_read_packet(trace2,packet2)>0) { |
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| 279 | printf("Extra packets after EOF\n"); |
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| 280 | error=1; |
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| 281 | } |
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| 282 | trace_destroy(trace); |
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| 283 | trace_destroy(trace2); |
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| 284 | trace_destroy_packet(packet); |
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| 285 | trace_destroy_packet(packet2); |
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| 286 | |
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| 287 | //printf("tcpcount=%i\n",tcpcount); |
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| 288 | |
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| 289 | return error; |
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| 290 | } |
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