/******************************************************************************/ /* */ /* 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 * * 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 #include #include #include #include #include #include #include /* * 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 #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