/******************************************************************************/
/* */
/* Copyright (c) International Business Machines Corp., 2005, 2006 */
/* */
/* 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 */
/* */
/******************************************************************************/
/*
* File:
* ns-traffic.h
*
* Description:
* Header file for TCP/UDP traffic utilities
*
* Author:
* Mitsuru Chinen <mitch@jp.ibm.com>
*
* History:
* Oct 19 2005 - Created (Mitsuru Chinen)
* May 1 2006 - Added functions for broken_ip, route, multicast tests
*---------------------------------------------------------------------------*/
#ifndef _NS_TRAFFIC_H
#define _NS_TRAFFIC_H 1
/*
* Gloval variables
*/
#ifdef NS_COMMON
# define EXTERN
#else
# define EXTERN extern
#endif
EXTERN int debug; /* If nonzero, output debug information. */
/*
* Include headers
*/
#include <netdb.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/ip_icmp.h>
#include <netinet/ip6.h>
#include <netinet/icmp6.h>
#include <netpacket/packet.h>
#include <linux/if_ether.h>
/*
* Fixed Values
*/
#define PORTNUMMIN IPPORT_RESERVED + 1
#define PORTNUMMAX 0xFFFF
#define ETH_DATA_MAXSIZE 1500
#define IPV4_PACKET_ID 0xBEEF
#define IPV4_DEFAULT_TTL 64
#define IPV4_DEFAULT_FLAG 0x4000
#define IPV4_PAYLOAD_MAXSIZE 1480
#define IPV6_DEFAULT_HOPLIMIT 255
#define IPV6_PAYLOAD_MAXSIZE 1460
#define ICMP_ECHO_ID 0xCAFE
#define ICMPV4_DATA_MAXSIZE 1472
#define ICMPV6_DATA_MAXSIZE 1452
#define RDOPT_MAXSIZE 1412
#define FAKE_VERSION 0x01
#define FAKE_IHL 0x02
#define FAKE_TOT_LEN 0x04
#define FAKE_PLEN 0x04
#define FAKE_FRAGMENT 0x08
#define FAKE_PROTOCOL 0x10
#define FAKE_NXT 0x10
#define FAKE_CHECK 0x20
#define FAKE_DADDR 0x40
#define PROC_IFINET6_FILE "/proc/net/if_inet6"
#define PROC_IFINET6_FILE_LINELENGTH 64
#define PROC_IFINET6_LINKLOCAL 0x20
/*
* Structure definition
*/
struct eth_frame {
struct ethhdr hdr;
unsigned char data[ETH_DATA_MAXSIZE];
};
struct arp_datagram {
struct arphdr hdr;
unsigned char ar_sha[ETH_ALEN];
unsigned char ar_sip[4];
unsigned char ar_tha[ETH_ALEN];
unsigned char ar_tip[4];
};
struct ip4_datagram {
struct iphdr hdr;
unsigned char payload[IPV4_PAYLOAD_MAXSIZE];
};
struct icmp4_segment {
struct icmphdr hdr;
unsigned char data[ICMPV4_DATA_MAXSIZE];
};
struct ip6_datagram {
struct ip6_hdr hdr;
unsigned char payload[IPV6_PAYLOAD_MAXSIZE];
};
struct pseudo_ip6_hdr {
struct in6_addr p_ip6_src;
struct in6_addr p_ip6_dst;
u_int32_t p_ip6_plen;
u_int16_t p_ip6_zero1;
u_int8_t p_ip6_zero2;
u_int8_t p_ip6_nxt;
};
struct pseudo_ip6_datagram {
struct pseudo_ip6_hdr hdr;
unsigned char payload[IPV6_PAYLOAD_MAXSIZE];
};
struct icmp6_segment {
struct icmp6_hdr hdr;
unsigned char data[ICMPV6_DATA_MAXSIZE];
};
struct neighbor_sol {
struct nd_neighbor_solicit defs;
struct nd_opt_hdr sla_opt;
unsigned char src_laddr[ETH_ALEN];
};
struct neighbor_adv {
struct nd_neighbor_advert defs;
struct nd_opt_hdr tla_opt;
unsigned char tgt_laddr[ETH_ALEN];
};
struct neighbor_redirect {
struct nd_redirect defs;
struct nd_opt_rd_hdr rdopt_hdr;
unsigned rdopt_data[RDOPT_MAXSIZE];
};
struct hbh_router_alert {
uint8_t nxthdr;
uint8_t hbh_len;
uint8_t alart_type;
uint8_t alart_len;
uint16_t alart_data;
uint8_t padn_type;
uint8_t padn_len;
uint8_t padn_data[0];
};
#if !defined(__LITTLE_ENDIAN_BITFIELD) || !defined(__BIG_ENDIAN_BITFIELD)
# include <endian.h>
#endif
struct my_mldv2_query {
uint8_t type;
uint8_t code;
uint16_t cksum;
uint16_t maxdelay;
uint16_t reserved;
struct in6_addr addr;
#if __BYTE_ORDER == __LITTLE_ENDIAN
uint8_t qrv:3;
uint8_t suppress:1;
uint8_t resv:4;
#elif __BYTE_ORDER == __BIG_ENDIAN
uint8_t resv:4;
uint8_t suppress:1;
uint8_t qrv:3;
#else
# error "Failed to detect endian"
#endif
uint8_t qqic;
uint16_t nsrcs;
struct in6_addr srcs[0];
};
/*
* Macros
*/
#define MY_IGMPV3_QUERY_SIZE(numsrc) \
(sizeof(struct igmpv3_query) + (numsrc) * sizeof(uint32_t))
#define MY_MLDV2_QUERY_SIZE(numsrc) \
(sizeof(struct my_mldv2_query) \
+ (numsrc) * sizeof(struct in6_addr))
#ifdef MLD_MAX_HOST_REPORT_DELAY
# define MY_MLD_MAX_HOST_REPORT_DELAY MLD_MAX_HOST_REPORT_DELAY
#else
# define MY_MLD_MAX_HOST_REPORT_DELAY 1000
#endif
#define IN6ADDR_ALLNODES_MULTICAST_INIT \
{ { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
/*
* Functions in ns-common.c
*/
void fatal_error(char *errmsg);
void maximize_sockbuf(int sd);
u_int16_t calc_checksum(u_int16_t *data, size_t size);
void fill_payload(unsigned char *payload_p, size_t size);
int rand_within(int first, int last);
u_int32_t bit_change_seed(size_t bitsize, size_t oversize);
int eth_pton(int af, const char *str, struct sockaddr_ll *ll);
void get_ifinfo(struct ifreq *ans, int sock_fd, const char *ifname, int query);
int strtotimespec(const char *str, struct timespec *ts_p);
int get_a_lla_byifindex(struct sockaddr_in6 *lla_p, int ifindex);
struct addrinfo *get_maddrinfo(sa_family_t family, const char *maddr, const char *portnum);
struct group_req *create_group_info(uint32_t ifindex, struct addrinfo *mainfo_p);
struct group_filter *create_source_filter(uint32_t ifindex, struct addrinfo *mainfo_p, uint32_t fmode, char *saddrs);
#endif