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Author SHA1 Message Date
Simon Kelley
1d03016bbc Split EDNS0 stuff into its own source file. 2015-12-21 14:17:06 +00:00
Simon Kelley
ce5732e84f NSEC3 check: RFC5155 para 8.2 2015-12-20 21:39:19 +00:00
Simon Kelley
a86fdf437e Minor tweak to previous commit. 2015-12-20 21:19:20 +00:00
Simon Kelley
3e86d316c4 Nasty, rare and obscure off-by-one in DNSSEC hostname_cmp(). 2015-12-20 20:50:05 +00:00
Simon Kelley
d67ecac59d More tweaks in handling unknown DNSSEC algorithms. 2015-12-20 20:44:23 +00:00
Simon Kelley
fa14bec83b Major tidy up of EDNS0 handling and computation/use of udp packet size. 2015-12-20 17:12:16 +00:00
Simon Kelley
14a4ae883d Do a better job of determining which DNSSEC sig algos are supported. 2015-12-17 17:29:57 +00:00
Simon Kelley
3b799c826d Fix brace botch in dnssec_validate_ds() 
Thanks to Michał Kępień for spotting this.
 2015-12-17 16:58:04 +00:00
Simon Kelley
b40f26c019 Tidy up DNSSEC non-existence code. Check zone status is NSEC proof bad. 2015-12-17 11:57:26 +00:00
Simon Kelley
dd4ad9ac7e Tweaks to EDNS0 handling in DNS replies. 2015-12-17 10:44:58 +00:00
Simon Kelley
2dbba34b2c DNSSEC validation tweak. 
A zone which has at least one key with an algorithm we don't
support should be considered as insecure.
 2015-12-16 13:41:58 +00:00
Simon Kelley
c2bcd1e183 Generalise RR-filtering code, for use with EDNS0. 2015-12-15 17:25:21 +00:00
Simon Kelley
d64c81fff7 Move code which caches DS records to a more logical place. 2015-12-15 16:11:06 +00:00
Simon Kelley
93be5b1e02 Abandon caching RRSIGs and returning them from cache. 
The list of exceptions to being able to locally answer
cached data for validated records when DNSSEC data is requested
was getting too long, so don't ever do that. This means
that the cache no longer has to hold RRSIGS and allows
us to lose lots of code. Note that cached validated
answers are still returned as long as do=0
 2015-12-15 12:04:40 +00:00
Simon Kelley
9a31b68b59 Major rationalisation of DNSSEC validation. 
Much gnarly special-case code removed and replaced with correct
general implementaion. Checking of zone-status moved to DNSSEC code,
where it should be, vastly simplifying query-forwarding code.
 2015-12-15 10:20:39 +00:00
Simon Kelley
0007ee9064 Fix crash at start up with conf-dir=/path,* 
Thanks to Brian Carpenter and American Fuzzy Lop for finding the bug.
 2015-11-21 21:47:41 +00:00
Simon Kelley
67ab3285b5 Handle unknown DS hash algos correctly. 
When we can validate a DS RRset, but don't speak the hash algo it
contains, treat that the same as an NSEC/3 proving that the DS
doesn't exist. 4025 5.2
 2015-11-20 23:20:47 +00:00
Edwin Török
41a8d9e99b Fix crash when empty address from DNS overlays A record from hosts. 2015-11-14 17:55:41 +00:00
Simon Kelley
90477fb794 Update list of subnet for --bogus-priv 
RFC6303 specifies & recommends following zones not be forwarded
to globally facing servers.
+------------------------------+-----------------------+
| Zone                         | Description           |
+------------------------------+-----------------------+
| 0.IN-ADDR.ARPA               | IPv4 "THIS" NETWORK   |
| 127.IN-ADDR.ARPA             | IPv4 Loopback NETWORK |
| 254.169.IN-ADDR.ARPA         | IPv4 LINK LOCAL       |
| 2.0.192.IN-ADDR.ARPA         | IPv4 TEST-NET-1       |
| 100.51.198.IN-ADDR.ARPA      | IPv4 TEST-NET-2       |
| 113.0.203.IN-ADDR.ARPA       | IPv4 TEST-NET-3       |
| 255.255.255.255.IN-ADDR.ARPA | IPv4 BROADCAST        |
+------------------------------+-----------------------+

Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
 2015-10-20 21:21:32 +01:00
Simon Kelley
98079ea898 Catch errors from sendmsg in DHCP code. 
Logs, eg,  iptables DROPS of dest 255.255.255.255
 2015-10-13 20:32:21 +01:00
Simon Kelley
4790115455 Use /run/dnsmasq instead of /var/run/dnsmasq in Debian package. 2015-09-29 22:54:41 +01:00
Simon Kelley
27b78d990b Rationalise 5e3e464ac4 2015-09-26 21:40:45 +01:00
Simon Kelley
77607cbea0 Respect the --no-resolv flag in inotify code. 2015-09-10 23:08:43 +01:00
Simon Kelley
102208df69 DHCPv6 option 56 does not hold an address list. (RFC 5908). 2015-09-10 21:50:00 +01:00
Simon Kelley
6de81f1250 Handle signed dangling CNAME replies to DS queries. 2015-09-09 22:51:13 +01:00
Simon Kelley
20fd11e11a Clarify man page on RDNSS set in router advertisement. 2015-08-26 22:48:13 +01:00
Simon Kelley
9cdcfe9f19 Suggest solution to ENOMEM error with IPv6 multicast. 2015-08-26 22:38:08 +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
3a3965ac21 Don't answer non-auth queries for auth zones locally when --localise-queries set. 2015-08-09 17:45:06 +01:00
Ed Bardsley
a7369bef8a Enhance --add-subnet to allow arbitary subnet addresses. 2015-08-05 21:17:18 +01:00
Simon Kelley
d2aa7dfbb6 Include 0.0.0.0/8 in DNS rebind checks. 2015-08-03 21:52:12 +01:00
Simon Kelley
63ec5d1264 Fix new poll() code for helper pipe. Removed CPU-spin. 2015-07-30 20:59:07 +01:00
Simon Kelley
f6381cf482 Declare utime(). 2015-07-27 19:48:43 +01:00
Kevin Darbyshire-Bryant
34b5d19488 Update DNSSEC timestamp file on process TERM. 2015-07-27 19:34:23 +01:00
Conrad Kostecki
d6cb7e4815 Update german translation 2015-07-27 19:22:49 +01:00
Simon Kelley
d389e0191b DNSSEC fix: correct logic for signed records in unsigned DNS space. 2015-07-27 18:56:43 +01:00
Simon Kelley
d3699bb6bc Small tweak to DNSSEC fix. 2015-07-16 22:37:37 +01:00
Simon Kelley
13480e8c2a DNSSEC fix, signed wildcard CNAME to unsigned domain. 2015-07-16 22:23:13 +01:00
Jan Psota
5b3b93f80a Update Polish translation. 2015-07-15 19:57:47 +01:00
Simon Kelley
b69e845b1c Close Lauchpad bug in Debian changelog. 2015-07-15 19:54:50 +01:00
Simon Kelley
90c3822bfa Grow pollfds array exponentially. 2015-07-13 12:47:52 +01:00
Simon Kelley
c895a0626d Merge messages for translations. 2015-07-12 21:27:40 +01:00
Simon Kelley
b842bc97bb Use poll() instead of select() to remove limits on open file descriptors. 2015-07-12 21:09:11 +01:00
Simon Kelley
0f38fa05a6 Log message typo. 2015-07-08 22:42:14 +01:00
Simon Kelley
45c5cb1f8f Fix compilation warning. 2015-07-08 22:40:57 +01:00
Simon Kelley
f6d6956261 Test for overflowing platform FD_SET size. 2015-07-08 22:38:13 +01:00
Simon Kelley
60176c7bf4 Bump version in Debian changelog. 2015-07-07 21:54:55 +01:00
Simon Kelley
362c9303da Fix inotify code to handle dangling symlinks better. 2015-07-06 21:48:49 +01:00
Simon Kelley
5e95a552ee Avoid hanngs in DHCP ping code when system time goes backwards. 2015-07-05 22:31:30 +01:00
Simon Kelley
90cb222551 --conf-file should read no file, not try and read the default file. 2015-07-05 21:59:10 +01:00