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Merge from /nmap-exp/david/nmap-ipv6.

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This is raw IPv6 packet support for most port and ping scans, Neighbor
Discovery, and traceroute.
This commit is contained in:
david
2011-06-08 01:24:48 +00:00
parent b08c07339a
commit 4aa4a154f9
39 changed files with 3448 additions and 1752 deletions
Download Patch File Download Diff File Expand all files Collapse all files

138
tcpip.h
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@@ -253,6 +253,8 @@ class PacketTrace {
efficient by avoiding a gettimeofday() call. */
static void traceArp(pdirection pdir, const u8 *frame, u32 len,
struct timeval *now);
static void traceND(pdirection pdir, const u8 *frame, u32 len,
struct timeval *now);
};
class PacketCounter {
@@ -418,22 +420,27 @@ bool routethrough(const struct sockaddr_storage * const dest,
unsigned short in_cksum(u16 *ptr,int nbytes);
/* Build and send a raw tcp packet. If TTL is -1, a partially random
(but likely large enough) one is chosen */
int send_tcp_raw( int sd, struct eth_nfo *eth,
const struct in_addr *source, const struct in_addr *victim,
int ttl, bool df,
u8* ipopt, int ipoptlen,
u16 sport, u16 dport,
u32 seq, u32 ack, u8 reserved, u8 flags, u16 window, u16 urp,
u8 *options, int optlen,
char *data, u16 datalen);
int send_udp_raw( int sd, struct eth_nfo *eth,
struct in_addr *source, const struct in_addr *victim,
int ttl, u16 ipid,
u8* ipopt, int ipoptlen,
u16 sport, u16 dport,
char *data, u16 datalen);
/* Send a pre-built IPv4 or IPv6 packet */
int send_ip_packet(int sd, struct eth_nfo *eth, u8 *packet,
unsigned int packetlen);
/* Builds an IP packet (including an IP header) by packing the fields
with the given information. It allocates a new buffer to store the
packet contents, and then returns that buffer. The packet is not
actually sent by this function. Caller must delete the buffer when
finished with the packet. The packet length is returned in
packetlen, which must be a valid int pointer. */
u8 *build_ip_raw(const struct in_addr *source, const struct in_addr *victim,
u8 proto,
int ttl, u16 ipid, u8 tos, bool df,
const u8* ipopt, int ipoptlen,
const char *data, u16 datalen,
u32 *packetlen);
u8 *build_ipv6_raw(const struct in6_addr *source,
const struct in6_addr *victim, u8 tc, u32 flowlabel,
u8 nextheader, int hoplimit,
char *data, u16 datalen, u32 *outpacketlen);
/* Builds a TCP packet (including an IP header) by packing the fields
with the given information. It allocates a new buffer to store the
@@ -450,6 +457,33 @@ u8 *build_tcp_raw(const struct in_addr *source, const struct in_addr *victim,
char *data, u16 datalen,
u32 *packetlen);
u8 *build_tcp_raw_ipv6(const struct in6_addr *source,
const struct in6_addr *victim, u8 tc, u32 flowlabel,
u8 hoplimit, u16 sport, u16 dport, u32 seq, u32 ack,
u8 reserved, u8 flags, u16 window, u16 urp,
const u8 *tcpopt, int tcpoptlen, char *data,
u16 datalen, u32 *packetlen);
/* Build and send a raw tcp packet. If TTL is -1, a partially random
(but likely large enough) one is chosen */
int send_tcp_raw( int sd, struct eth_nfo *eth,
const struct in_addr *source, const struct in_addr *victim,
int ttl, bool df,
u8* ipopt, int ipoptlen,
u16 sport, u16 dport,
u32 seq, u32 ack, u8 reserved, u8 flags, u16 window, u16 urp,
u8 *options, int optlen,
char *data, u16 datalen);
int send_tcp_raw_decoys( int sd, struct eth_nfo *eth,
const struct in_addr *victim,
int ttl, bool df,
u8* ipopt, int ipoptlen,
u16 sport, u16 dport,
u32 seq, u32 ack, u8 reserved, u8 flags, u16 window, u16 urp,
u8 *options, int optlen,
char *data, u16 datalen);
/* Builds a UDP packet (including an IP header) by packing the fields
with the given information. It allocates a new buffer to store the
packet contents, and then returns that buffer. The packet is not
@@ -463,6 +497,25 @@ u8 *build_udp_raw(const struct in_addr *source, const struct in_addr *victim,
const char *data, u16 datalen,
u32 *packetlen);
u8 *build_udp_raw_ipv6(const struct in6_addr *source,
const struct in6_addr *victim, u8 tc, u32 flowlabel,
u8 hoplimit, u16 sport, u16 dport,
char *data, u16 datalen, u32 *packetlen);
int send_udp_raw( int sd, struct eth_nfo *eth,
struct in_addr *source, const struct in_addr *victim,
int ttl, u16 ipid,
u8* ipopt, int ipoptlen,
u16 sport, u16 dport,
char *data, u16 datalen);
int send_udp_raw_decoys( int sd, struct eth_nfo *eth,
const struct in_addr *victim,
int ttl, u16 ipid,
u8* ipops, int ip,
u16 sport, u16 dport,
char *data, u16 datalen);
/* Builds an SCTP packet (including an IP header) by packing the fields
with the given information. It allocates a new buffer to store the
packet contents, and then returns that buffer. The packet is not
@@ -477,6 +530,12 @@ u8 *build_sctp_raw(const struct in_addr *source, const struct in_addr *victim,
char *data, u16 datalen,
u32 *packetlen);
u8 *build_sctp_raw_ipv6(const struct in6_addr *source,
const struct in6_addr *victim, u8 tc, u32 flowlabel,
u8 hoplimit, u16 sport, u16 dport, u32 vtag,
char *chunks, int chunkslen, char *data, u16 datalen,
u32 *packetlen);
/* Builds an ICMP packet (including an IP header) by packing the
fields with the given information. It allocates a new buffer to
store the packet contents, and then returns that buffer. The
@@ -491,6 +550,11 @@ u8 *build_icmp_raw(const struct in_addr *source, const struct in_addr *victim,
u16 seq, unsigned short id, u8 ptype, u8 pcode,
char *data, u16 datalen, u32 *packetlen);
u8 *build_icmpv6_raw(const struct in6_addr *source,
const struct in6_addr *victim, u8 tc, u32 flowlabel,
u8 hoplimit, u16 seq, u16 id, u8 ptype, u8 pcode,
char *data, u16 datalen, u32 *packetlen);
/* Builds an IGMP packet (including an IP header) by packing the fields
with the given information. It allocates a new buffer to store the
packet contents, and then returns that buffer. The packet is not
@@ -504,40 +568,6 @@ u8 *build_igmp_raw(const struct in_addr *source, const struct in_addr *victim,
u8 ptype, u8 pcode,
char *data, u16 datalen, u32 *packetlen);
/* Builds an IP packet (including an IP header) by packing the fields
with the given information. It allocates a new buffer to store the
packet contents, and then returns that buffer. The packet is not
actually sent by this function. Caller must delete the buffer when
finished with the packet. The packet length is returned in
packetlen, which must be a valid int pointer. */
u8 *build_ip_raw(const struct in_addr *source, const struct in_addr *victim,
u8 proto,
int ttl, u16 ipid, u8 tos, bool df,
u8* ipopt, int ipoptlen,
char *data, u16 datalen,
u32 *packetlen);
/* Send a pre-built IPv4 packet */
int send_ip_packet(int sd, struct eth_nfo *eth, u8 *packet,
unsigned int packetlen);
/* Decoy versions of the raw packet sending functions ... */
int send_tcp_raw_decoys( int sd, struct eth_nfo *eth,
const struct in_addr *victim,
int ttl, bool df,
u8* ipopt, int ipoptlen,
u16 sport, u16 dport,
u32 seq, u32 ack, u8 reserved, u8 flags, u16 window, u16 urp,
u8 *options, int optlen,
char *data, u16 datalen);
int send_udp_raw_decoys( int sd, struct eth_nfo *eth,
const struct in_addr *victim,
int ttl, u16 ipid,
u8* ipops, int ip,
u16 sport, u16 dport,
char *data, u16 datalen);
// Returns whether the packet receive time value obtaned from libpcap
// (and thus by readip_pcap()) should be considered valid. When
@@ -577,13 +607,10 @@ char *getFinalPacketStats(char *buf, int buflen);
directly connected to the src host running Nmap. If it is, set the MAC.
This function returns 0 if it ends up setting the MAC, nonzero otherwise
This function assumes that ip has already been verified as
containing a complete IP header (or at least the first 20 bytes).
*/
int setTargetMACIfAvailable(Target *target, struct link_header *linkhdr,
struct ip *ip, int overwrite);
const struct sockaddr_storage *src, int overwrite);
/* This function ensures that the next hop MAC address for a target is
filled in. This address is the target's own MAC if it is directly
@@ -608,6 +635,9 @@ int get_link_offset(char *device);
char *readip_pcap(pcap_t *pd, unsigned int *len, long to_usec,
struct timeval *rcvdtime, struct link_header *linknfo, bool validate);
char *readip46_pcap(pcap_t *pd, unsigned int *len, long to_usec,
struct timeval *rcvdtime, struct link_header *linknfo, bool validate);
/* Attempts to read one IPv4/Ethernet ARP reply packet from the pcap
descriptor pd. If it receives one, fills in sendermac (must pass
in 6 bytes), senderIP, and rcvdtime (can be NULL if you don't care)