/* * Copyright 2013 Google Inc. * * This program 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 2 * of the License, or (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ /* * Author: ncardwell@google.com (Neal Cardwell) * * Test for generating human-readable representations of IP packets. */ #include "packet_to_string.h" #include <assert.h> #include <stdlib.h> #include <string.h> #include "ethernet.h" #include "packet_parser.h" static void test_sctp_ipv4_packet_to_string(void) { /* An IPv4/SCTP packet. */ u8 data[] = { /* IPv4: */ 0x45, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0xff, 0x84, 0xb5, 0x50, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, /* SCTP Common Header: */ 0x04, 0xd2, 0x1f, 0x90, 0x01, 0x02, 0x03, 0x04, 0x3d, 0x99, 0xbf, 0xe3, /* SCTP ABORT Chunk: */ 0x06, 0x01, 0x00, 0x04 }; struct packet *packet = packet_new(sizeof(data)); /* Populate and parse a packet */ memcpy(packet->buffer, data, sizeof(data)); char *error = NULL; enum packet_parse_result_t result = parse_packet(packet, sizeof(data), ETHERTYPE_IP, &error); assert(result == PACKET_OK); assert(error == NULL); int status = 0; char *dump = NULL, *expected = NULL; /* Test a DUMP_SHORT dump */ status = packet_to_string(packet, DUMP_SHORT, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "sctp: ABORT[flgs=T]"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_FULL dump */ status = packet_to_string(packet, DUMP_FULL, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "2.2.2.2:1234 > 1.1.1.1:8080 " "sctp: ABORT[flgs=T]"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_VERBOSE dump */ status = packet_to_string(packet, DUMP_VERBOSE, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "2.2.2.2:1234 > 1.1.1.1:8080 " "sctp: ABORT[flgs=T]" "\n" "0x0000: 45 00 00 24 00 00 00 00 ff 84 b5 50 02 02 02 02 " "\n" "0x0010: 01 01 01 01 04 d2 1f 90 01 02 03 04 3d 99 bf e3 " "\n" "0x0020: 06 01 00 04 " "\n"; assert(strcmp(dump, expected) == 0); free(dump); packet_free(packet); } static void test_sctp_ipv6_packet_to_string(void) { /* An IPv6/SCTP packet. */ u8 data[] = { /* IPv6 Base Header: */ 0x60, 0x00, 0x00, 0x00, 0x02, 0x08, 0x84, 0xff, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, /* SCTP Common Header: */ 0x04, 0xd2, 0x1f, 0x90, 0x01, 0x02, 0x03, 0x04, 0xf1, 0x91, 0x22, 0x96, /* SCTP DATA Chunk */ 0x00, 0x0f, 0x00, 0x13, 0x01, 0x02, 0x03, 0x04, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00, /* SCTP INIT Chunk */ 0x01, 0x00, 0x00, 0x68, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x0f, 0x01, 0x02, 0x03, 0x04, 0x00, 0x05, 0x00, 0x08, 0x01, 0x02, 0x03, 0x04, 0x00, 0x06, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x09, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x06, 0x40, 0x41, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0a, 0x00, 0x05, 0x00, 0x06, 0x00, 0x0b, 0x00, 0x00, 0x80, 0x00, 0x00, 0x04, 0xc0, 0x00, 0x00, 0x04, 0x80, 0x08, 0x00, 0x05, 0x40, 0x00, 0x00, 0x00, 0x80, 0x05, 0x00, 0x0c, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, /* SCTP INIT_ACK Chunk */ 0x02, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x0f, 0x01, 0x02, 0x03, 0x04, 0x00, 0x07, 0x00, 0x07, 0x01, 0x02, 0x03, 0x00, 0x00, 0x08, 0x00, 0x08, 0x80, 0x01, 0x00, 0x04, /* SCTP SACK Chunk */ 0x03, 0x00, 0x00, 0x20, 0x01, 0x02, 0x03, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x01, 0x00, 0x03, 0x00, 0x05, 0x00, 0x0f, 0x10, 0x00, 0x10, 0x14, 0x01, 0x02, 0x03, 0x04, /* SCTP NR-SACK Chunk*/ 0x10, 0x00, 0x00, 0x24, 0x01, 0x02, 0x03, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x05, 0x00, 0x0f, 0x10, 0x00, 0x10, 0x14, 0x10, 0x14, 0x10, 0x15, 0x01, 0x02, 0x03, 0x04, /* SCTP HEARTBEAT Chunk */ 0x04, 0x00, 0x00, 0x0a, 0x00, 0x01, 0x00, 0x06, 0x01, 0x02, 0x00, 0x00, /* SCTP HEARTBEAT-ACK Chunk */ 0x05, 0x00, 0x00, 0x0a, 0x00, 0x01, 0x00, 0x06, 0x01, 0x02, 0x00, 0x00, /* SCTP ABORT Chunk: */ 0x06, 0x01, 0x00, 0x04, /* SCTP ABORT Chunk: */ 0x06, 0x00, 0x00, 0x80, 0x00, 0x01, 0x00, 0x08, 0x00, 0xff, 0x00, 0x00, 0x00, 0x02, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x07, 0x00, 0x00, 0x00, 0x03, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04, 0x00, 0x04, 0x00, 0x05, 0x00, 0x0c, 0x00, 0x0b, 0x00, 0x06, 0x40, 0x41, 0x00, 0x00, 0x00, 0x06, 0x00, 0x0c, 0xfe, 0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x80, 0x0a, 0x00, 0x04, 0x80, 0x0b, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x09, 0x00, 0x08, 0x01, 0x02, 0x03, 0x04, 0x00, 0x0a, 0x00, 0x04, 0x00, 0x0b, 0x00, 0x14, 0x00, 0x05, 0x00, 0x08, 0x01, 0x02, 0x03, 0x04, 0x00, 0x05, 0x00, 0x08, 0x02, 0x03, 0x04, 0x05, 0x00, 0x0c, 0x00, 0x07, 0x42, 0x59, 0x45, 0x00, 0x00, 0x0d, 0x00, 0x06, 0x40, 0x40, 0x00, 0x00, /* SCTP SHUTDOWN Chunk */ 0x07, 0x00, 0x00, 0x08, 0x01, 0x02, 0x03, 0x04, /* SCTP SHUTDOWN_ACK Chunk */ 0x08, 0x00, 0x00, 0x04, /* SCTP ERROR Chunk */ 0x09, 0x00, 0x00, 0x04, /* SCTP COOKIE_ECHO Chunk */ 0x0a, 0x00, 0x00, 0x05, 0x45, 0x00, 0x00, 0x00, /* SCTP COOKIE_ACK Chunk */ 0x0b, 0x00, 0x00, 0x04, /* SCTP ECNE Chunk */ 0x0c, 0x00, 0x00, 0x08, 0x01, 0x02, 0x03, 0x04, /* SCTP CWR Chunk */ 0x0d, 0x00, 0x00, 0x08, 0x01, 0x02, 0x03, 0x04, /* SCTP SHUTDOWN_COMPLETE Chunk */ 0x0e, 0x01, 0x00, 0x04, /* FORWARD_TSN Chunk*/ 0xc0, 0x00, 0x00, 0x0c, 0xb5, 0xaa, 0xaf, 0x0f, 0x00, 0x01, 0x00, 0x02, /* SCTP I-DATA Chunk */ 0x40, 0x0f, 0x00, 0x17, 0x00, 0x00, 0x00, 0x04, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00, /* SCTP I-DATA Chunk */ 0x40, 0x0d, 0x00, 0x17, 0x00, 0x00, 0x00, 0x04, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x02, 0x00, /* SCTP PAD Chunk */ 0x84, 0x00, 0x00, 0x10, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50 }; struct packet *packet = packet_new(sizeof(data)); /* Populate and parse a packet */ memcpy(packet->buffer, data, sizeof(data)); char *error = NULL; enum packet_parse_result_t result = parse_packet(packet, sizeof(data), ETHERTYPE_IPV6, &error); assert(result == PACKET_OK); assert(error == NULL); int status = 0; char *dump = NULL, *expected = NULL; /* Test a DUMP_SHORT dump */ status = packet_to_string(packet, DUMP_SHORT, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "sctp: " "DATA[flgs=IUBE, len=19, tsn=16909060, sid=255, ssn=256, ppid=0]; " "INIT[flgs=0x00, tag=1, a_rwnd=65536, os=15, is=15, tsn=16909060, " "IPV4_ADDRESS[addr=1.2.3.4], " "IPV6_ADDRESS[addr=::1], " "COOKIE_PRESERVATIVE[incr=65536], " "HOSTNAME_ADDRESS[addr=\"@A\"], " "SUPPORTED_ADDRESS_TYPES[types=[IPv4, IPv6, HOSTNAME]], " "ECN_CAPABLE[], " "FORWARD_TSN_SUPPORTED[], " "SUPPORTED_EXTENSIONS[types=[I-DATA]], " "PAD[len=12, val=...]]; " "INIT_ACK[flgs=0x00, tag=1, a_rwnd=65536, os=15, is=15, tsn=16909060, " "STATE_COOKIE[len=7, val=...], " "UNRECOGNIZED_PARAMETER[params=[" "PARAMETER[type=0x8001, value=[]]]]]; " "SACK[flgs=0x00, cum_tsn=16909060, a_rwnd=65536, " "gaps=[1:3, 5:15, 4096:4116], dups=[16909060]]; " "NR-SACK[flgs=0x00, cum_tsn=16909060, a_rwnd=65536, " "gaps=[5:15, 4096:4116], nr-gaps=[4116:4117], dups=[16909060]]; " "HEARTBEAT[flgs=0x00, HEARTBEAT_INFORMATION[len=6, val=...]]; " "HEARTBEAT_ACK[flgs=0x00, HEARTBEAT_INFORMATION[len=6, val=...]]; " "ABORT[flgs=T]; " "ABORT[flgs=0x00, INVALID_STREAM_IDENTIFIER[sid=255], " "MISSING_MANDATORY_PARAMETER[types=[STATE_COOKIE]], " "STALE_COOKIE_ERROR[staleness=65536], " "OUT_OF_RESOURCES[], " "UNRESOLVABLE_ADDRESS[param=HOSTNAME_ADDRESS[addr=\"@A\"]], " "UNRECOGNIZED_CHUNK_TYPE[chk=" "CHUNK[type=0xfe, flgs=0x05, value=[0x01]]], " "INVALID_MANDATORY_PARAMETER[], " "UNRECOGNIZED_PARAMETERS[" "PARAMETER[type=0x800a, value=[]], " "PARAMETER[type=0x800b, value=[0x01]]], " "NO_USER_DATA[tsn=16909060], " "COOKIE_RECEIVED_WHILE_SHUTDOWN[], " "RESTART_WITH_NEW_ADDRESSES[IPV4_ADDRESS[addr=1.2.3.4], " "IPV4_ADDRESS[addr=2.3.4.5]], " "USER_INITIATED_ABORT[info=\"BYE\"], " "PROTOCOL_VIOLATION[info=\"@@\"]]; " "SHUTDOWN[flgs=0x00, cum_tsn=16909060]; " "SHUTDOWN_ACK[flgs=0x00]; " "ERROR[flgs=0x00]; " "COOKIE_ECHO[flgs=0x00, len=5]; " "COOKIE_ACK[flgs=0x00]; " "ECNE[flgs=0x00, tsn=16909060]; " "CWR[flgs=0x00, tsn=16909060]; " "SHUTDOWN_COMPLETE[flgs=T]; " "FORWARD_TSN[flgs=0x00, len=12, cum_tsn=3047862031, sids=[1:2]]; " "I-DATA[flgs=IUBE, len=23, tsn=4, sid=255, mid=1, ppid=0]; " "I-DATA[flgs=IUE, len=23, tsn=4, sid=255, mid=2, fsn=1]; " "PAD[flgs=0x00, len=16, val=...]"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_FULL dump */ status = packet_to_string(packet, DUMP_FULL, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "2::2222:1234 > 1::1111:8080 " "sctp: " "DATA[flgs=IUBE, len=19, tsn=16909060, sid=255, ssn=256, ppid=0]; " "INIT[flgs=0x00, tag=1, a_rwnd=65536, os=15, is=15, tsn=16909060, " "IPV4_ADDRESS[addr=1.2.3.4], " "IPV6_ADDRESS[addr=::1], " "COOKIE_PRESERVATIVE[incr=65536], " "HOSTNAME_ADDRESS[addr=\"@A\"], " "SUPPORTED_ADDRESS_TYPES[types=[IPv4, IPv6, HOSTNAME]], " "ECN_CAPABLE[], " "FORWARD_TSN_SUPPORTED[], " "SUPPORTED_EXTENSIONS[types=[I-DATA]], " "PAD[len=12, val=...]]; " "INIT_ACK[flgs=0x00, tag=1, a_rwnd=65536, os=15, is=15, tsn=16909060, " "STATE_COOKIE[len=7, val=...], " "UNRECOGNIZED_PARAMETER[params=[" "PARAMETER[type=0x8001, value=[]]]]]; " "SACK[flgs=0x00, cum_tsn=16909060, a_rwnd=65536, " "gaps=[1:3, 5:15, 4096:4116], dups=[16909060]]; " "NR-SACK[flgs=0x00, cum_tsn=16909060, a_rwnd=65536, " "gaps=[5:15, 4096:4116], nr-gaps=[4116:4117], dups=[16909060]]; " "HEARTBEAT[flgs=0x00, HEARTBEAT_INFORMATION[len=6, val=...]]; " "HEARTBEAT_ACK[flgs=0x00, HEARTBEAT_INFORMATION[len=6, val=...]]; " "ABORT[flgs=T]; " "ABORT[flgs=0x00, INVALID_STREAM_IDENTIFIER[sid=255], " "MISSING_MANDATORY_PARAMETER[types=[STATE_COOKIE]], " "STALE_COOKIE_ERROR[staleness=65536], " "OUT_OF_RESOURCES[], " "UNRESOLVABLE_ADDRESS[param=HOSTNAME_ADDRESS[addr=\"@A\"]], " "UNRECOGNIZED_CHUNK_TYPE[chk=" "CHUNK[type=0xfe, flgs=0x05, value=[0x01]]], " "INVALID_MANDATORY_PARAMETER[], " "UNRECOGNIZED_PARAMETERS[" "PARAMETER[type=0x800a, value=[]], " "PARAMETER[type=0x800b, value=[0x01]]], " "NO_USER_DATA[tsn=16909060], " "COOKIE_RECEIVED_WHILE_SHUTDOWN[], " "RESTART_WITH_NEW_ADDRESSES[IPV4_ADDRESS[addr=1.2.3.4], " "IPV4_ADDRESS[addr=2.3.4.5]], " "USER_INITIATED_ABORT[info=\"BYE\"], " "PROTOCOL_VIOLATION[info=\"@@\"]]; " "SHUTDOWN[flgs=0x00, cum_tsn=16909060]; " "SHUTDOWN_ACK[flgs=0x00]; " "ERROR[flgs=0x00]; " "COOKIE_ECHO[flgs=0x00, len=5]; " "COOKIE_ACK[flgs=0x00]; " "ECNE[flgs=0x00, tsn=16909060]; " "CWR[flgs=0x00, tsn=16909060]; " "SHUTDOWN_COMPLETE[flgs=T]; " "FORWARD_TSN[flgs=0x00, len=12, cum_tsn=3047862031, sids=[1:2]]; " "I-DATA[flgs=IUBE, len=23, tsn=4, sid=255, mid=1, ppid=0]; " "I-DATA[flgs=IUE, len=23, tsn=4, sid=255, mid=2, fsn=1]; " "PAD[flgs=0x00, len=16, val=...]"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_VERBOSE dump */ status = packet_to_string(packet, DUMP_VERBOSE, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "2::2222:1234 > 1::1111:8080 " "sctp: " "DATA[flgs=IUBE, len=19, tsn=16909060, sid=255, ssn=256, ppid=0]; " "INIT[flgs=0x00, tag=1, a_rwnd=65536, os=15, is=15, tsn=16909060, " "IPV4_ADDRESS[addr=1.2.3.4], " "IPV6_ADDRESS[addr=::1], " "COOKIE_PRESERVATIVE[incr=65536], " "HOSTNAME_ADDRESS[addr=\"@A\"], " "SUPPORTED_ADDRESS_TYPES[types=[IPv4, IPv6, HOSTNAME]], " "ECN_CAPABLE[], " "FORWARD_TSN_SUPPORTED[], " "SUPPORTED_EXTENSIONS[types=[I-DATA]], " "PAD[len=12, val=...]]; " "INIT_ACK[flgs=0x00, tag=1, a_rwnd=65536, os=15, is=15, tsn=16909060, " "STATE_COOKIE[len=7, val=...], " "UNRECOGNIZED_PARAMETER[params=[" "PARAMETER[type=0x8001, value=[]]]]]; " "SACK[flgs=0x00, cum_tsn=16909060, a_rwnd=65536, " "gaps=[1:3, 5:15, 4096:4116], dups=[16909060]]; " "NR-SACK[flgs=0x00, cum_tsn=16909060, a_rwnd=65536, " "gaps=[5:15, 4096:4116], nr-gaps=[4116:4117], dups=[16909060]]; " "HEARTBEAT[flgs=0x00, HEARTBEAT_INFORMATION[len=6, val=...]]; " "HEARTBEAT_ACK[flgs=0x00, HEARTBEAT_INFORMATION[len=6, val=...]]; " "ABORT[flgs=T]; " "ABORT[flgs=0x00, INVALID_STREAM_IDENTIFIER[sid=255], " "MISSING_MANDATORY_PARAMETER[types=[STATE_COOKIE]], " "STALE_COOKIE_ERROR[staleness=65536], " "OUT_OF_RESOURCES[], " "UNRESOLVABLE_ADDRESS[param=HOSTNAME_ADDRESS[addr=\"@A\"]], " "UNRECOGNIZED_CHUNK_TYPE[chk=" "CHUNK[type=0xfe, flgs=0x05, value=[0x01]]], " "INVALID_MANDATORY_PARAMETER[], " "UNRECOGNIZED_PARAMETERS[" "PARAMETER[type=0x800a, value=[]], " "PARAMETER[type=0x800b, value=[0x01]]], " "NO_USER_DATA[tsn=16909060], " "COOKIE_RECEIVED_WHILE_SHUTDOWN[], " "RESTART_WITH_NEW_ADDRESSES[IPV4_ADDRESS[addr=1.2.3.4], " "IPV4_ADDRESS[addr=2.3.4.5]], " "USER_INITIATED_ABORT[info=\"BYE\"], " "PROTOCOL_VIOLATION[info=\"@@\"]]; " "SHUTDOWN[flgs=0x00, cum_tsn=16909060]; " "SHUTDOWN_ACK[flgs=0x00]; " "ERROR[flgs=0x00]; " "COOKIE_ECHO[flgs=0x00, len=5]; " "COOKIE_ACK[flgs=0x00]; " "ECNE[flgs=0x00, tsn=16909060]; " "CWR[flgs=0x00, tsn=16909060]; " "SHUTDOWN_COMPLETE[flgs=T]; " "FORWARD_TSN[flgs=0x00, len=12, cum_tsn=3047862031, sids=[1:2]]; " "I-DATA[flgs=IUBE, len=23, tsn=4, sid=255, mid=1, ppid=0]; " "I-DATA[flgs=IUE, len=23, tsn=4, sid=255, mid=2, fsn=1]; " "PAD[flgs=0x00, len=16, val=...]" "\n" "0x0000: 60 00 00 00 02 08 84 ff 00 02 00 00 00 00 00 00 " "\n" "0x0010: 00 00 00 00 00 00 22 22 00 01 00 00 00 00 00 00 " "\n" "0x0020: 00 00 00 00 00 00 11 11 04 d2 1f 90 01 02 03 04 " "\n" "0x0030: f1 91 22 96 00 0f 00 13 01 02 03 04 00 ff 01 00 " "\n" "0x0040: 00 00 00 00 00 01 02 00 01 00 00 68 00 00 00 01 " "\n" "0x0050: 00 01 00 00 00 0f 00 0f 01 02 03 04 00 05 00 08 " "\n" "0x0060: 01 02 03 04 00 06 00 14 00 00 00 00 00 00 00 00 " "\n" "0x0070: 00 00 00 00 00 00 00 01 00 09 00 08 00 01 00 00 " "\n" "0x0080: 00 0b 00 06 40 41 00 00 00 0c 00 0a 00 05 00 06 " "\n" "0x0090: 00 0b 00 00 80 00 00 04 c0 00 00 04 80 08 00 05 " "\n" "0x00a0: 40 00 00 00 80 05 00 0c 50 50 50 50 50 50 50 50 " "\n" "0x00b0: 02 00 00 24 00 00 00 01 00 01 00 00 00 0f 00 0f " "\n" "0x00c0: 01 02 03 04 00 07 00 07 01 02 03 00 00 08 00 08 " "\n" "0x00d0: 80 01 00 04 03 00 00 20 01 02 03 04 00 01 00 00 " "\n" "0x00e0: 00 03 00 01 00 01 00 03 00 05 00 0f 10 00 10 14 " "\n" "0x00f0: 01 02 03 04 10 00 00 24 01 02 03 04 00 01 00 00 " "\n" "0x0100: 00 02 00 01 00 01 00 00 00 05 00 0f 10 00 10 14 " "\n" "0x0110: 10 14 10 15 01 02 03 04 04 00 00 0a 00 01 00 06 " "\n" "0x0120: 01 02 00 00 05 00 00 0a 00 01 00 06 01 02 00 00 " "\n" "0x0130: 06 01 00 04 06 00 00 80 00 01 00 08 00 ff 00 00 " "\n" "0x0140: 00 02 00 0a 00 00 00 01 00 07 00 00 00 03 00 08 " "\n" "0x0150: 00 01 00 00 00 04 00 04 00 05 00 0c 00 0b 00 06 " "\n" "0x0160: 40 41 00 00 00 06 00 0c fe 05 00 05 01 00 00 00 " "\n" "0x0170: 00 07 00 04 00 08 00 10 80 0a 00 04 80 0b 00 05 " "\n" "0x0180: 01 00 00 00 00 09 00 08 01 02 03 04 00 0a 00 04 " "\n" "0x0190: 00 0b 00 14 00 05 00 08 01 02 03 04 00 05 00 08 " "\n" "0x01a0: 02 03 04 05 00 0c 00 07 42 59 45 00 00 0d 00 06 " "\n" "0x01b0: 40 40 00 00 07 00 00 08 01 02 03 04 08 00 00 04 " "\n" "0x01c0: 09 00 00 04 0a 00 00 05 45 00 00 00 0b 00 00 04 " "\n" "0x01d0: 0c 00 00 08 01 02 03 04 0d 00 00 08 01 02 03 04 " "\n" "0x01e0: 0e 01 00 04 c0 00 00 0c b5 aa af 0f 00 01 00 02 " "\n" "0x01f0: 40 0f 00 17 00 00 00 04 00 ff 00 00 00 00 00 01 " "\n" "0x0200: 00 00 00 00 00 01 02 00 40 0d 00 17 00 00 00 04 " "\n" "0x0210: 00 ff 00 00 00 00 00 02 00 00 00 01 00 01 02 00 " "\n" "0x0220: 84 00 00 10 50 50 50 50 50 50 50 50 50 50 50 50 " "\n"; printf("expected = '%s'\n", expected); assert(strcmp(dump, expected) == 0); free(dump); packet_free(packet); } static void test_tcp_ipv4_packet_to_string(void) { /* An IPv4/GRE/IPv4/TCP packet. */ u8 data[] = { /* IPv4: */ 0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x00, 0x00, 0xff, 0x2f, 0xb5, 0x75, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, /* GRE: */ 0x00, 0x00, 0x08, 0x00, /* IPv4, TCP: */ 0x45, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x00, 0x00, 0xff, 0x06, 0x39, 0x11, 0xc0, 0x00, 0x02, 0x01, 0xc0, 0xa8, 0x00, 0x01, 0xcf, 0x3f, 0x1f, 0x90, 0x00, 0x00, 0x00, 0x01, 0x83, 0x4d, 0xa5, 0x5b, 0xa0, 0x10, 0x01, 0x01, 0xdb, 0x2d, 0x00, 0x00, 0x05, 0x0a, 0x83, 0x4d, 0xab, 0x03, 0x83, 0x4d, 0xb0, 0xab, 0x08, 0x0a, 0x00, 0x00, 0x01, 0x2c, 0x60, 0xc2, 0x18, 0x20 }; struct packet *packet = packet_new(sizeof(data)); /* Populate and parse a packet */ memcpy(packet->buffer, data, sizeof(data)); char *error = NULL; enum packet_parse_result_t result = parse_packet(packet, sizeof(data), ETHERTYPE_IP, &error); assert(result == PACKET_OK); assert(error == NULL); int status = 0; char *dump = NULL, *expected = NULL; /* Test a DUMP_SHORT dump */ status = packet_to_string(packet, DUMP_SHORT, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv4 2.2.2.2 > 1.1.1.1: gre: " ". 1:1(0) ack 2202903899 win 257 " "<sack 2202905347:2202906795,TS val 300 ecr 1623332896>"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_FULL dump */ status = packet_to_string(packet, DUMP_FULL, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv4 2.2.2.2 > 1.1.1.1: gre: " "192.0.2.1:53055 > 192.168.0.1:8080 " ". 1:1(0) ack 2202903899 win 257 " "<sack 2202905347:2202906795,TS val 300 ecr 1623332896>"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_VERBOSE dump */ status = packet_to_string(packet, DUMP_VERBOSE, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv4 2.2.2.2 > 1.1.1.1: gre: " "192.0.2.1:53055 > 192.168.0.1:8080 " ". 1:1(0) ack 2202903899 win 257 " "<sack 2202905347:2202906795,TS val 300 ecr 1623332896>" "\n" "0x0000: 45 00 00 54 00 00 00 00 ff 2f b5 75 02 02 02 02 " "\n" "0x0010: 01 01 01 01 00 00 08 00 45 00 00 3c 00 00 00 00 " "\n" "0x0020: ff 06 39 11 c0 00 02 01 c0 a8 00 01 cf 3f 1f 90 " "\n" "0x0030: 00 00 00 01 83 4d a5 5b a0 10 01 01 db 2d 00 00 " "\n" "0x0040: 05 0a 83 4d ab 03 83 4d b0 ab 08 0a 00 00 01 2c " "\n" "0x0050: 60 c2 18 20 " "\n"; assert(strcmp(dump, expected) == 0); free(dump); packet_free(packet); } static void test_tcp_ipv6_packet_to_string(void) { /* An IPv6/GRE/IPv6/TCP packet. */ u8 data[] = { /* IPv6: */ 0x60, 0x00, 0x00, 0x00, 0x00, 0x4c, 0x2f, 0xff, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, /* GRE: */ 0x00, 0x00, 0x86, 0xdd, /* IPv6, TCP: */ 0x60, 0x00, 0x00, 0x00, 0x00, 0x20, 0x06, 0xff, 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xfd, 0x3d, 0xfa, 0x7b, 0xd1, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xd3, 0xe2, 0x1f, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x80, 0x18, 0x06, 0x60, 0x00, 0x00, 0x02, 0x04, 0x03, 0xe8, 0x04, 0x02, 0x01, 0x01, 0x01, 0x03, 0x03, 0x07 }; struct packet *packet = packet_new(sizeof(data)); /* Populate and parse a packet */ memcpy(packet->buffer, data, sizeof(data)); char *error = NULL; enum packet_parse_result_t result = parse_packet(packet, sizeof(data), ETHERTYPE_IPV6, &error); assert(result == PACKET_OK); assert(error == NULL); int status = 0; char *dump = NULL, *expected = NULL; /* Test a DUMP_SHORT dump */ status = packet_to_string(packet, DUMP_SHORT, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv6 2::2222 > 1::1111: gre: " "S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_FULL dump */ status = packet_to_string(packet, DUMP_FULL, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv6 2::2222 > 1::1111: gre: " "2001:db8::1:54242 > fd3d:fa7b:d17d::1:8080 " "S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_VERBOSE dump */ status = packet_to_string(packet, DUMP_VERBOSE, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv6 2::2222 > 1::1111: gre: " "2001:db8::1:54242 > fd3d:fa7b:d17d::1:8080 " "S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>\n" "0x0000: 60 00 00 00 00 4c 2f ff 00 02 00 00 00 00 00 00 " "\n" "0x0010: 00 00 00 00 00 00 22 22 00 01 00 00 00 00 00 00 " "\n" "0x0020: 00 00 00 00 00 00 11 11 00 00 86 dd 60 00 00 00 " "\n" "0x0030: 00 20 06 ff 20 01 0d b8 00 00 00 00 00 00 00 00 " "\n" "0x0040: 00 00 00 01 fd 3d fa 7b d1 7d 00 00 00 00 00 00 " "\n" "0x0050: 00 00 00 01 d3 e2 1f 90 00 00 00 00 00 00 00 00 " "\n" "0x0060: 80 02 80 18 06 60 00 00 02 04 03 e8 04 02 01 01 " "\n" "0x0070: 01 03 03 07 " "\n"; assert(strcmp(dump, expected) == 0); free(dump); packet_free(packet); } static void test_gre_mpls_tcp_ipv4_packet_to_string(void) { /* An IPv4/GRE/MPLS/IPv4/TCP packet. */ u8 data[] = { /* IPv4: */ 0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00, 0x40, 0x2f, 0xb7, 0xcf, 0xc0, 0xa8, 0x00, 0x01, 0xc0, 0x00, 0x02, 0x02, /* GRE: */ 0x00, 0x00, 0x88, 0x47, /* MPLS: */ 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, /* IPv4, TCP: */ 0x45, 0x00, 0x00, 0x34, 0x86, 0x99, 0x40, 0x00, 0x40, 0x06, 0x31, 0x80, 0xc0, 0xa8, 0x00, 0x01, 0xc0, 0x00, 0x02, 0x01, 0x1f, 0x90, 0xdb, 0xcc, 0x7b, 0x81, 0xc5, 0x7c, 0x00, 0x00, 0x00, 0x01, 0x80, 0x11, 0x01, 0xc5, 0xa6, 0xa6, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x07, 0x02, 0x08, 0x43, 0x00, 0x00, 0x00, 0x05 }; struct packet *packet = packet_new(sizeof(data)); /* Populate and parse a packet */ memcpy(packet->buffer, data, sizeof(data)); char *error = NULL; enum packet_parse_result_t result = parse_packet(packet, sizeof(data), ETHERTYPE_IP, &error); assert(result == PACKET_OK); assert(error == NULL); int status = 0; char *dump = NULL, *expected = NULL; /* Test a DUMP_FULL dump */ status = packet_to_string(packet, DUMP_FULL, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv4 192.168.0.1 > 192.0.2.2: gre: " "mpls (label 0, tc 0, ttl 0) " "(label 1048575, tc 7, [S], ttl 255): " "192.168.0.1:8080 > 192.0.2.1:56268 " "F. 2072102268:2072102268(0) ack 1 win 453 " "<nop,nop,TS val 117573699 ecr 5>"; assert(strcmp(dump, expected) == 0); free(dump); packet_free(packet); } static void test_udplite_ipv4_packet_to_string(void) { /* An IPv4/GRE/IPv4/UDPLite packet. */ u8 data[] = { /* IPv4: */ 0x45, 0x00, 0x00, 0x37, 0x00, 0x00, 0x00, 0x00, 0xff, 0x2f, 0xb5, 0x92, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, /* GRE: */ 0x00, 0x00, 0x08, 0x00, /* IPv4, UDPLite: */ 0x45, 0x00, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x00, 0xff, 0x88, 0xf8, 0xab, 0x01, 0x01, 0x01, 0x01, 0xc0, 0xa8, 0x00, 0x01, 0x04, 0xd2, 0xeb, 0x35, 0x00, 0x09, 0x86, 0xaf, 0xc6, 0x45, 0x46 }; struct packet *packet = packet_new(sizeof(data)); /* Populate and parse a packet */ memcpy(packet->buffer, data, sizeof(data)); char *error = NULL; enum packet_parse_result_t result = parse_packet(packet, sizeof(data), ETHERTYPE_IP, &error); assert(result == PACKET_OK); assert(error == NULL); int status = 0; char *dump = NULL, *expected = NULL; /* Test a DUMP_SHORT dump */ status = packet_to_string(packet, DUMP_SHORT, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv4 2.2.2.2 > 1.1.1.1: gre: " "udplite (3, 9)"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_FULL dump */ status = packet_to_string(packet, DUMP_FULL, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv4 2.2.2.2 > 1.1.1.1: gre: " "1.1.1.1:1234 > 192.168.0.1:60213 " "udplite (3, 9)"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_VERBOSE dump */ status = packet_to_string(packet, DUMP_VERBOSE, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv4 2.2.2.2 > 1.1.1.1: gre: " "1.1.1.1:1234 > 192.168.0.1:60213 " "udplite (3, 9)" "\n" "0x0000: 45 00 00 37 00 00 00 00 ff 2f b5 92 02 02 02 02 " "\n" "0x0010: 01 01 01 01 00 00 08 00 45 00 00 1f 00 00 00 00 " "\n" "0x0020: ff 88 f8 ab 01 01 01 01 c0 a8 00 01 04 d2 eb 35 " "\n" "0x0030: 00 09 86 af c6 45 46 " "\n"; assert(strcmp(dump, expected) == 0); free(dump); packet_free(packet); } static void test_udplite_ipv6_packet_to_string(void) { /* An IPv6/GRE/IPv6/UDPLite packet. */ u8 data[] = { /* IPv6: */ 0x60, 0x00, 0x00, 0x00, 0x00, 0x37, 0x2f, 0xff, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, /* GRE: */ 0x00, 0x00, 0x86, 0xdd, /* IPv6, UDPLite: */ 0x60, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x88, 0xff, 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xfd, 0x3d, 0xfa, 0x7b, 0xd1, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xd3, 0xe2, 0x1f, 0x90, 0x00, 0x09, 0x4e, 0xfd, 0xc6, 0x45, 0x46 }; struct packet *packet = packet_new(sizeof(data)); /* Populate and parse a packet */ memcpy(packet->buffer, data, sizeof(data)); char *error = NULL; enum packet_parse_result_t result = parse_packet(packet, sizeof(data), ETHERTYPE_IPV6, &error); assert(result == PACKET_OK); assert(error == NULL); int status = 0; char *dump = NULL, *expected = NULL; /* Test a DUMP_SHORT dump */ status = packet_to_string(packet, DUMP_SHORT, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv6 2::2222 > 1::1111: gre: " "udplite (3, 9)"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_FULL dump */ status = packet_to_string(packet, DUMP_FULL, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv6 2::2222 > 1::1111: gre: " "2001:db8::1:54242 > fd3d:fa7b:d17d::1:8080 " "udplite (3, 9)"; assert(strcmp(dump, expected) == 0); free(dump); /* Test a DUMP_VERBOSE dump */ status = packet_to_string(packet, DUMP_VERBOSE, &dump, &error); assert(status == STATUS_OK); assert(error == NULL); printf("dump = '%s'\n", dump); expected = "ipv6 2::2222 > 1::1111: gre: " "2001:db8::1:54242 > fd3d:fa7b:d17d::1:8080 " "udplite (3, 9)\n" "0x0000: 60 00 00 00 00 37 2f ff 00 02 00 00 00 00 00 00 " "\n" "0x0010: 00 00 00 00 00 00 22 22 00 01 00 00 00 00 00 00 " "\n" "0x0020: 00 00 00 00 00 00 11 11 00 00 86 dd 60 00 00 00 " "\n" "0x0030: 00 0b 88 ff 20 01 0d b8 00 00 00 00 00 00 00 00 " "\n" "0x0040: 00 00 00 01 fd 3d fa 7b d1 7d 00 00 00 00 00 00 " "\n" "0x0050: 00 00 00 01 d3 e2 1f 90 00 09 4e fd c6 45 46 " "\n"; assert(strcmp(dump, expected) == 0); free(dump); packet_free(packet); } int main(void) { test_sctp_ipv4_packet_to_string(); test_sctp_ipv6_packet_to_string(); test_tcp_ipv4_packet_to_string(); test_tcp_ipv6_packet_to_string(); test_gre_mpls_tcp_ipv4_packet_to_string(); test_udplite_ipv4_packet_to_string(); test_udplite_ipv6_packet_to_string(); return 0; }