Pi-Hole/dnsmasq
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Commit Graph

86 Commits

Author SHA1 Message Date
Simon Kelley
c49778df4a Update copyright notices. Happy new year! 2016-01-06 18:52:33 +00:00
Simon Kelley
33702ab1f8 First complete version of DNS-client-id EDNS0 and ARP tracking code. 2015-12-28 23:17:15 +00:00
Simon Kelley
27b78d990b Rationalise 5e3e464ac4 2015-09-26 21:40:45 +01:00
Simon Kelley
5e3e464ac4 Fix behaviour of empty dhcp-option=option6:dns-server, which should inhibit sending option. 2015-08-25 23:08:39 +01:00
Simon Kelley
89130d91d6 DHCPv6: DHCPCONFIRM should be OK for any address on link, not just dynamic addresses. 2015-06-03 22:34:14 +01:00
Simon Kelley
a5ae1f8587 Logs in DHCPv6 not suppressed by dhcp6-quiet. 2015-04-25 21:46:10 +01:00
Simon Kelley
338b340be9 Revert 61b838dd57 and just quieten log instead. 2015-04-20 21:34:05 +01:00
Simon Kelley
aff3396280 Update copyrights for dawn of 2015. 2015-01-31 20:13:40 +00:00
Win King Wan
61b838dd57 Don't reply to DHCPv6 SOLICIT messages when not configured for statefull DHCPv6. 2015-01-21 20:41:48 +00:00
Vladislav Grishenko
b9ff5c8f43 Improve RFC-compliance when unable to supply addresses in DHCPv6 
While testing https://github.com/sbyx/odhcp6c client I have noticed it
permanently crashes after startup.

The reason was it (odhcp6c) doesn't expect empty IA options in ADVERTISE
message without any suboptions.

Despite this validation bug of odhcp6c, dnsmasq should not generate
ADVERTISE messages with IA if there's nothing to advert per  RFC 3315
17.2.2:

   If the server will not assign any addresses to any IAs in a

   subsequent Request from the client, the server MUST send an Advertise

   message to the client that includes only a Status Code option with

   code NoAddrsAvail and a status message for the user, a Server

   Identifier option with the server's DUID, and a Client Identifier

   option with the client's DUID.

Meanwhile it's need to add status code for every IA in REPLY message per
RFC3315 18.2.1:

   If the server cannot assign any addresses to an IA in the message
   from the client, the server MUST include the IA in the Reply message
   with no addresses in the IA and a Status Code option in the IA
   containing status code NoAddrsAvail.

So, I've changed the logic to skip IA completely from ADVERTISE messages and
to add NoAddrsAvail subcode into IA of REPLY messages.

As for overhead, yes, I believe it's ok to return NoAddrsAvail twice in IA
and in global section for compatibility with all old and new clients.
 2014-10-06 14:34:24 +01:00
Ilya Ponetaev
51943369e3 Supply "Success" status code in reply to DHCPDECLINE. 2014-09-13 21:19:01 +01:00
Ilya Ponetaev
2d75f2e4a5 Don't reply to DHCPCONFIRM messages with no addresses in them. 2014-09-13 21:11:16 +01:00
Ilya Ponetaev
976afc93e4 Set DHCPv6 message type when returning "use multicast". 2014-09-13 20:56:14 +01:00
Ilya Ponetaev
7f68f82146 DHCPv6 REBIND messages don't need a server-id. 2014-09-13 20:52:27 +01:00
Simon Kelley
c3a04081ff [fd00::} and [fe80::] special addresses in DHCPv6 options. 2014-01-11 22:18:19 +00:00
Simon Kelley
c47e3ba446 Update copyright for 2014. 2014-01-08 17:07:54 +00:00
Simon Kelley
6586e8352a Use random address allocation for DHCPv6 temporary addresses. 2013-11-07 14:20:13 +00:00
Kevin Darbyshire-Bryant
8c0b73d3a8 Add --quiet-* options. 2013-10-11 11:56:33 +01:00
Tanguy Bouzeloc
ef1d7425e3 Fix problem in DHCPv6 vendorclass/userclass matching code. 2013-10-03 11:06:31 +01:00
Simon Kelley
8939c95fd6 Don't extract MAC address from ND table when DHCPv6 request is from a relay. 2013-09-25 11:49:34 +01:00
Vladislav Grishenko
408c368fa5 Remove unused variable warnings when omitting stuff at compile-time. 2013-09-24 16:18:49 +01:00
Simon Kelley
f1af2bb485 Big ugly refactor in rfc3315.c should be no behaviour changes. 2013-09-24 09:16:28 +01:00
Simon Kelley
d81b42d067 Prod neighbour discovery with ARP instead of PING. 2013-09-23 12:26:34 +01:00
Simon Kelley
8f51a29137 Fix compiler warnings. 2013-09-21 14:07:12 +01:00
Simon Kelley
89500e31f1 Support MAC addresses in dhcp-host and dhcp-mac for DHCPv6. 2013-09-20 16:29:20 +01:00
Simon Kelley
c8f2dd8b53 Cope with DHCPv6 REQUESTs without address options. 2013-09-13 11:22:55 +01:00
Simon Kelley
ff7eea27e7 Add --dhcp-relay config option. 2013-09-04 18:01:38 +01:00
Simon Kelley
cc4baaab0d Fix DHCPv6 lease time calculation when client sends VL==0 or PL==0 2013-08-05 15:03:44 +01:00
Simon Kelley
871d4562f1 Support RFC-4242 information-refresh-time. 2013-07-28 09:37:38 +01:00
Simon Kelley
6bd109aa2f Better job with domain for DHCPv6 information-request. 2013-07-27 15:11:44 +01:00
Simon Kelley
ef1a94abaa Advertise lost prefixes with pref_time == 0 for 2 hours. 2013-07-26 13:59:03 +01:00
Roy Marples
3f3adae6bc DHCP FQDN option tweaks. 2013-07-25 16:22:46 +01:00
Simon Kelley
6f9aaa93e9 ->hwaddr_len must be zero always in DHCPv6 leases. 2013-04-10 10:25:26 +01:00
Simon Kelley
8ac9787350 Fix lease time calculation when using DHCPv6 relay. 2013-03-30 21:34:19 +00:00
Simon Kelley
6e37ab595c Send prefix-class in DHCPREPLY as well as DHCPADVERTISE. 2013-03-19 20:50:11 +00:00
Simon Kelley
a1a79edaea Bugfix for latest DHCPv6 update. 2013-03-15 21:19:57 +00:00
Simon Kelley
de92b479d9 Make wildcard-configured addresses work on multiple networks. 2013-03-15 18:26:23 +00:00
Simon Kelley
c630924d66 Experimental support for DHCPv6 prefix-class option. 2013-03-07 20:59:28 +00:00
Simon Kelley
ff59fc82b3 Split out context-marking from add_address. 2013-03-07 11:00:26 +00:00
Simon Kelley
52a1ae72f0 Another logic problem in refactor. 2013-03-06 22:43:26 +00:00
Simon Kelley
3a654c506f Respect difference between no IA_{TN}A and no IA_ADDR options. 2013-03-06 22:17:48 +00:00
Simon Kelley
2763d4b51a Fix unused variable warning. 2013-03-06 21:24:56 +00:00
Simon Kelley
e28836bf45 Fix crash in DHCPv6 renew, introduced in refactor. 2013-03-06 21:22:22 +00:00
Simon Kelley
a6ebfacf7b Massive refactor of stateful DHCPv6. Lease multiple prefixes per client. 2013-03-06 20:54:27 +00:00
Simon Kelley
4038ae2005 Fix crash in DHCPv6 information-request handler. 2013-02-19 16:47:07 +00:00
Simon Kelley
a21e27bc99 Support DHCP DNS server option if we're not doing DNS. 2013-02-17 16:41:35 +00:00
Simon Kelley
61744359de Change copyright messages to include 2013. 2013-01-31 14:34:40 +00:00
Simon Kelley
459380965a Fix last commit. 2013-01-15 21:57:42 +00:00
Simon Kelley
21bac1bccd Check IAID as well as CLID for lease identity. 2013-01-14 21:35:05 +00:00
Simon Kelley
baeb3adf21 More IPv6 address allocation fixes. 2013-01-10 11:47:38 +00:00