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thc-ipv6.h
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thc-ipv6.h
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/*
* (c) 2022 by van Hauser / THC
*
* THC IPv6 Attack Library Header Files
*
* License: AGPL v3.0 (see LICENSE file)
*
*/
#ifndef _THC_IPV6_H
#define _THC_IPV6_H
#include <pcap.h>
#include <endian.h>
#ifdef _HAVE_SSL
#include <openssl/rsa.h>
#endif
#define VERSION "3.8"
#define AUTHOR "van Hauser / THC <vh@thc.org>"
#define RESOURCE "www.github.com/vanhauser-thc/thc-ipv6"
#define THC_SPLITCONNECT_PORT 64446
#define THC_SPLITCONNECT_FROM_BYTE 0xff
#define THC_SPLITCONNECT_TO_BYTE 0xee
// you can change the following if you want to:
#define SHOW_LIBRARY_ERRORS 1
//#define MULTICAST_ALL_NODES
#define ICMP6_UNREACH 1
#define ICMP6_TOOBIG 2
#define ICMP6_TTLEXEED 3
#define ICMP6_PARAMPROB 4
#define ICMP6_PING 128
#define ICMP6_PONG 129
#define ICMP6_PINGREQUEST 128
#define ICMP6_PINGREPLY 129
#define ICMP6_ECHOREQUEST 128
#define ICMP6_ECHOREPLY 129
#define ICMP6_MLD_QUERY 130
#define ICMP6_MLD_REPORT 131
#define ICMP6_MLD_DONE 132
#define ICMP6_ROUTERSOL 133
#define ICMP6_ROUTERADV 134
#define ICMP6_NEIGHBORSOL 135
#define ICMP6_NEIGHBORADV 136
#define ICMP6_REDIR 137
#define ICMP6_INFOREQUEST 139
#define ICMP6_NODEQUERY 139
#define ICMP6_INFOREPLY 140
#define ICMP6_NODEREPLY 140
#define ICMP6_INVNEIGHBORSOL 141
#define ICMP6_INVNEIGHBORADV 142
#define ICMP6_MLD2_REPORT 143
#define ICMP6_MOBILE_PREFIXSOL 146
#define ICMP6_MOBILE_PREFIXADV 147
#define ICMP6_CERTPATHSOL 148
#define ICMP6_CERTPATHADV 149
#define ICMP6_MLD_ROUTERADV 151
#define ICMP6_MLD_ROUTERSOL 152
#define ICMP6_MLD_ROUTERTERMINATION 153
#define ICMP6_ROUTERPROXYSOL 154
#define ICMP6_ROUTERPROXYADV 155
#define ICMP6_NEIGHBORADV_ROUTER 0x080000000
#define ICMP6_NEIGHBORADV_SOLICIT 0x040000000
#define ICMP6_NEIGHBORADV_OVERRIDE 0x020000000
#define PREFER_HOST 16
#define PREFER_LINK 32
#define PREFER_GLOBAL 0
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define _TAKE4 0
#define _TAKE3 0
#define _TAKE2 0
#elif __BYTE_ORDER == __BIG_ENDIAN
#define _TAKE4 (sizeof(void *) - 4)
#define _TAKE3 (sizeof(void *) - 3)
#define _TAKE2 (sizeof(void *) - 2)
#else
#error "Unknown Byte Order!"
#endif
extern int debug;
extern int _thc_ipv6_showerrors;
extern int do_hdr_size;
extern void thc_ipv6_show_errors(int mode);
extern int thc_pcap_function(char *interface, char *capture, char *function,
int promisc, char *opt);
extern pcap_t *thc_pcap_init(char *interface, char *capture);
extern pcap_t *thc_pcap_init_promisc(char *interface, unsigned char *capture);
extern void thc_ipv6_rawmode(int mode);
extern int thc_pcap_check(pcap_t *p, char *function, char *opt);
extern char * thc_pcap_close(pcap_t *p);
extern unsigned char *thc_resolve6(char *target);
extern unsigned char *thc_lookup_ipv6_mac(char *interface, unsigned char *dst);
extern unsigned char *thc_get_own_mac(char *interface);
extern int thc_get_mtu(char *interface);
extern unsigned char *thc_get_own_ipv6(char *interface, unsigned char *dst,
int prefer);
extern unsigned char *thc_get_multicast_mac(unsigned char *dst);
extern unsigned char *thc_get_mac(char *interface, unsigned char *src,
unsigned char *dst);
extern unsigned char *thc_inverse_packet(unsigned char *pkt, int pkt_len);
extern int thc_ping6(char *interface, unsigned char *src, unsigned char *dst,
int size, int count);
extern int thc_ping26(char *interface, unsigned char *srcmac,
unsigned char *dstmac, unsigned char *src,
unsigned char *dst, int size, int count);
extern int thc_neighboradv6(char *interface, unsigned char *src,
unsigned char *dst, unsigned char *srcmac,
unsigned char *dstmac, unsigned int flags,
unsigned char *target);
extern int thc_neighborsol6(char *interface, unsigned char *src,
unsigned char *dst, unsigned char *target,
unsigned char *srcmac, unsigned char *dstmac);
extern int thc_routeradv6(char *interface, unsigned char *src,
unsigned char *dst, unsigned char *srcmac,
unsigned char default_ttl, int managed,
unsigned char *prefix, int prefixlen, int mtu,
unsigned int lifetime);
extern int thc_routersol6(char *interface, unsigned char *src,
unsigned char *dst, unsigned char *srcmac,
unsigned char *dstmac);
extern int thc_toobig6(char *interface, unsigned char *src,
unsigned char *srcmac, unsigned char *dstmac,
unsigned int mtu, unsigned char *pkt, int pkt_len);
extern int thc_paramprob6(char *interface, unsigned char *src,
unsigned char *srcmac, unsigned char *dstmac,
unsigned char code, unsigned int pointer,
unsigned char *pkt, int pkt_len);
extern int thc_unreach6(char *interface, unsigned char *src,
unsigned char *srcmac, unsigned char *dstmac,
unsigned char code, unsigned char *pkt, int pkt_len);
extern int thc_redir6(char *interface, unsigned char *src,
unsigned char *srcmac, unsigned char *dstmac,
unsigned char *newrouter, unsigned char *newroutermac,
unsigned char *pkt, int pkt_len);
extern int thc_send_as_fragment6(char *interface, unsigned char *src,
unsigned char *dst, unsigned char type,
unsigned char *data, int data_len,
int frag_len);
extern int thc_send_raguard_bypass6(char *interface, unsigned char *src,
unsigned char *dst, unsigned char *srcmac,
unsigned char *dstmac, unsigned char type,
unsigned char *data, int data_len, int mtu);
extern int thc_send_as_overlapping_first_fragment6(
char *interface, unsigned char *src, unsigned char *dst, unsigned char type,
unsigned char *data, int data_len, int frag_len, int overlap_spoof_type);
extern int thc_send_as_overlapping_last_fragment6(
char *interface, unsigned char *src, unsigned char *dst, unsigned char type,
unsigned char *data, int data_len, int frag_len, int overlap_spoof_type);
extern unsigned char *thc_create_ipv6(char *interface, int *pkt_len,
unsigned char *src, unsigned char *dst);
extern unsigned char *thc_create_ipv6_extended(char *interface, int prefer,
int *pkt_len, unsigned char *src,
unsigned char *dst, int ttl,
int length, int label, int class,
int version);
extern int thc_add_hdr_misc(unsigned char *pkt, int *pkt_len,
unsigned char type, int len, unsigned char *buf,
int buflen);
extern int thc_add_hdr_route(unsigned char *pkt, int *pkt_len,
unsigned char **routers, unsigned char routerptr);
extern int thc_add_hdr_mobileroute(unsigned char *pkt, int *pkt_len,
unsigned char *dst);
extern int thc_add_hdr_oneshotfragment(unsigned char *pkt, int *pkt_len,
unsigned int id);
extern int thc_add_hdr_fragment(unsigned char *pkt, int *pkt_len, int offset,
char more_frags, unsigned int id);
extern int thc_add_hdr_dst(unsigned char *pkt, int *pkt_len, unsigned char *buf,
int buflen);
extern int thc_add_hdr_hopbyhop(unsigned char *pkt, int *pkt_len,
unsigned char *buf, int buflen);
extern int thc_add_hdr_nonxt(unsigned char *pkt, int *pkt_len, int hdropt);
extern int thc_add_icmp6(unsigned char *pkt, int *pkt_len, int type, int code,
unsigned int flags, unsigned char *data, int data_len,
int checksum);
extern int thc_add_pim(unsigned char *pkt, int *pkt_len, unsigned char type,
unsigned char *data, int data_len);
extern int thc_add_tcp(unsigned char *pkt, int *pkt_len,
unsigned short int sport, unsigned short int dport,
unsigned int sequence, unsigned int ack,
unsigned char flags, unsigned short int window,
unsigned short int urgent, char *option, int option_len,
char *data, int data_len);
extern int thc_add_udp(unsigned char *pkt, int *pkt_len,
unsigned short int sport, unsigned short int dport,
unsigned int checksum, char *data, int data_len);
extern int thc_add_ipv4(unsigned char *pkt, int *pkt_len, int src, int dst);
extern int thc_add_ipv4_extended(unsigned char *pkt, int *pkt_len, int src,
int dst, unsigned char tos, int id,
unsigned char ttl);
extern int thc_add_ipv4_rudimentary(unsigned char *pkt, int *pkt_len, int src,
int dst, int sport, int port);
extern int thc_add_data6(unsigned char *pkt, int *pkt_len, unsigned char type,
unsigned char *data, int data_len);
extern int thc_generate_and_send_pkt(char *interface, unsigned char *srcmac,
unsigned char *dstmac, unsigned char *pkt,
int *pkt_len);
extern int thc_generate_pkt(char *interface, unsigned char *srcmac,
unsigned char *dstmac, unsigned char *pkt,
int *pkt_len);
extern int thc_send_pkt(char *interface, unsigned char *pkt, int *pkt_len);
extern unsigned char *thc_destroy_packet(unsigned char *pkt);
extern int thc_open_ipv6();
extern int thc_is_dst_local(char *interface, unsigned char *dst);
extern int checksum_pseudo_header(unsigned char *src, unsigned char *dst,
unsigned char type, unsigned char *data,
int length);
extern int calculate_checksum(unsigned char *data, int data_len);
extern void thc_dump_data(unsigned char *buf, int len, char *text);
extern unsigned char *thc_ipv62string(unsigned char *ipv6);
extern unsigned char *thc_string2ipv6(unsigned char *string);
extern unsigned char *thc_string2notation(unsigned char *string);
extern unsigned char *thc_ipv62notation(unsigned char *string);
extern unsigned char *thc_memstr(char *haystack, char *needle,
int haystack_length, int needle_length);
extern void thc_notation2beauty(unsigned char *ipv6);
extern int thc_bind_udp_port(int port);
extern int thc_bind_multicast_to_socket(int s, char *interface, char *src);
extern char *warlord_checkFingerprint(char *buffer, int len);
#define DO_CHECKSUM 0xfaf4
#define NXT_IP6 41
#define NXT_IPV6 41
#define NXT_INVALID 128
#define NXT_IGNORE 31
#define NXT_HDR 0
#define NXT_HOP 0
#define NXT_HBH 0
#define NXT_ROUTE 43
#define NXT_FRAG 44
#define NXT_NONXT 59
#define NXT_OPTS 60
#define NXT_DST 60
#define NXT_ESP 50
#define NXT_AH 51
#define NXT_MIPV6 135
#define NXT_MOBILITY 135
#define NXT_PIM 103
#define NXT_ICMP6 58
#define NXT_TCP 6
#define NXT_UDP 17
#define NXT_DATA 255
#define NXT_HOSTID 139
#define NXT_HOSTIDENTIFICATION 139
#define NXT_SHIM 140
#define NXT_SHIM6 140
#define NXT_IP4 4
#define NXT_IPV4 4
#define NXT_IP4_RUDIMENTARY 0xf4
#define NXT_IPV4_RUDIMENTARY 0xf4
#define NXT_IPIP 4
#define NXT_ICMP4 1
#define IPV6_FRAME_TYPE 0x86dd
#define TCP_CWR 128
#define TCP_ECN 64
#define TCP_URG 32
#define TCP_ACK 16
#define TCP_PSH 8
#define TCP_RST 4
#define TCP_SYN 2
#define TCP_FIN 1
typedef struct {
unsigned char dst[6];
unsigned char src[6];
unsigned int type : 16;
} thc_ethernet;
typedef struct {
unsigned char *pkt;
int pkt_len;
char * next_segment;
char * final;
int final_type;
unsigned int version; // :4;
unsigned char class;
unsigned int label; // :20;
unsigned int length; // :16;
unsigned char next;
unsigned char ttl;
unsigned char src[16];
unsigned char dst[16];
unsigned char *final_dst;
unsigned char *original_src;
} thc_ipv6_hdr;
typedef struct {
char * next_segment;
unsigned char next;
unsigned char length;
unsigned char *data;
int data_len;
} thc_ipv6_ext_hdr;
typedef struct {
unsigned char type;
unsigned char code;
unsigned int checksum : 16;
unsigned int flags;
unsigned char *data;
int data_len;
} thc_icmp6_hdr;
typedef struct {
unsigned short int sport;
unsigned short int dport;
unsigned int sequence;
unsigned int ack;
unsigned char length;
unsigned char flags;
unsigned short int window;
unsigned short int checksum;
unsigned short int urgent;
unsigned char * option;
int option_len;
unsigned char * data;
int data_len;
} thc_tcp_hdr;
typedef struct {
unsigned short int sport;
unsigned short int dport;
unsigned short int length;
unsigned short int checksum;
unsigned char * data;
int data_len;
} thc_udp_hdr;
typedef struct {
unsigned char ver_hlen;
unsigned char tos;
unsigned short int size;
unsigned short int id;
unsigned short int frag;
unsigned char ttl;
unsigned char proto;
unsigned short int checksum;
unsigned int src;
unsigned int dst;
} thc_ipv4_hdr;
typedef struct {
char *next_segment;
char dummy[8];
} thc_dummy_hdr;
/*
typedef struct {
unsigned int nlmsg_len;
unsigned short nlmsg_type;
unsigned short nlmsg_flags;
unsigned int nlmsg_seq;
unsigned int nlmsg_pid;
} nlmsghdr;
typedef struct
{
unsigned char rtgen_family;
} rtgenmsg;
typedef struct {
nlmsghdr nlh;
rtgenmsg g;
} neigh_req;
typedef struct {
unsigned short nl_family;
unsigned short nl_pad;
unsigned int nl_pid;
unsigned int nl_groups;
} sockaddr_nl;
*/
#ifdef _HAVE_SSL
typedef struct {
unsigned char type;
unsigned char len;
unsigned char pad_len;
unsigned char resv;
/* cga params */
unsigned char modifier[16];
unsigned char prefix[8];
unsigned char collision_cnt;
unsigned char coll2;
unsigned char *pub_key;
unsigned char *exts;
/* end of cga params */
unsigned char *pad;
} thc_cga_hdr;
typedef struct {
unsigned char type;
unsigned char len;
unsigned char resv[6];
unsigned long long timeval;
} thc_timestamp_hdr;
typedef struct {
unsigned char type;
unsigned char len;
char nonce[6];
} thc_nonce_hdr;
typedef struct {
unsigned char type;
unsigned char len;
short int resv;
unsigned char key_hash[16];
char * sign;
char * pad;
} thc_rsa_hdr;
typedef struct {
RSA *rsa;
int len;
} thc_key_t;
typedef struct {
unsigned char *data;
/* DER-encoded key length */
int len;
} opt_t;
extern thc_key_t * thc_generate_key(int key_len);
extern thc_cga_hdr *thc_generate_cga(unsigned char *prefix, thc_key_t *key,
unsigned char **cga);
extern int thc_add_send(unsigned char *pkt, int *pkt_len, int type, int code,
unsigned int flags, unsigned char *data, int data_len,
thc_cga_hdr *cga_hdr, thc_key_t *key,
unsigned char *tag, int checksum);
#endif
#endif