PenTest/nmap
1
0
Fork 0
mirror of https://github.com/nmap/nmap.git synced 2025-12-24 08:29:04 +00:00
Code Issues Projects Releases Wiki Activity

Added ND ping for local IPv6 nets, merging from /nmap-exp/weilin/nmap-nd.

Browse Source
This commit is contained in:
weilin
2011-07-19 02:31:54 +00:00
parent 737035118a
commit 1dcf652410
16 changed files with 707 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
libnetutil/netutil.cc
View File

@@ -1567,25 +1567,31 @@ struct sys_route *getsysroutes(int *howmany, char *errstr, size_t errstrlen) {
* localhost. (eg: the address is something like 127.x.x.x, the address
* matches one of the local network interfaces' address, etc).
* Returns 1 if the address is thought to be localhost and 0 otherwise */
int islocalhost(const struct in_addr *const addr) {
int islocalhost(const struct sockaddr_storage *const ss) {
char dev[128];
struct sockaddr_storage ss;
struct sockaddr_in *sin;
struct sockaddr_in *sin = NULL;
struct sockaddr_in6 *sin6 = NULL;
/* If it is 0.0.0.0 or starts with 127 then it is
probably localhost */
if ((addr->s_addr & htonl(0xFF000000)) == htonl(0x7F000000))
return 1;
if (ss->ss_family == AF_INET){
sin = (struct sockaddr_in *) ss;
/* If it is 0.0.0.0 or starts with 127 then it is probably localhost. */
if ((sin->sin_addr.s_addr & htonl(0xFF000000)) == htonl(0x7F000000))
return 1;
if (!addr->s_addr)
return 1;
if (!(sin->sin_addr.s_addr))
return 1;
} else {
sin6 = (struct sockaddr_in6 *) ss;
/* If it is ::0 or ::1 then it is probably localhost. */
if (memcmp(&(sin6->sin6_addr), IP6_ADDR_UNSPEC, IP6_ADDR_LEN) == 0)
return 1;
if (memcmp(&(sin6->sin6_addr), IP6_ADDR_LOOPBACK, IP6_ADDR_LEN) == 0)
return 1;
}
/* If it is the same addy as a local interface, then it is
probably localhost */
sin = (struct sockaddr_in *) &ss;
sin->sin_family = AF_INET;
sin->sin_addr = *addr;
if (ipaddr2devname(dev, &ss) != -1)
if (ipaddr2devname(dev, ss) != -1)
return 1;
/* OK, so to a first approximation, this addy is probably not
@@ -4073,7 +4079,7 @@ bool doND(const char *dev, const u8 *srcmac,
netutil_fatal("%s: failed to open device %s", __func__, dev);
eth_pack_hdr(frame, *ns_dst_mac, *srcmac, ETH_TYPE_IPV6);
ip6_pack_hdr(frame + ETH_HDR_LEN, 0, 0, 32, 0x3a, 255, *src_sin6->sin6_addr.s6_addr, *ns_dst_ip6.sin6_addr.s6_addr);
icmpv6_pack_hdr_ns(frame + ETH_HDR_LEN + IP6_HDR_LEN, target_sin6->sin6_addr.s6_addr, *srcmac);
icmpv6_pack_hdr_ns_mac(frame + ETH_HDR_LEN + IP6_HDR_LEN, target_sin6->sin6_addr.s6_addr, *srcmac);
ip6_checksum(frame + ETH_HDR_LEN, IP6_HDR_LEN + ICMPV6_HDR_LEN + 4 + 16 + 8);
gettimeofday(&start, NULL);