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05f76dab89d5b879519a4f45b0cccaa1fc3d162d
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1015 Commits

Author SHA1 Message Date
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
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
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
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
Simon Kelley
90c3822bfa Grow pollfds array exponentially. 2015-07-13 12:47:52 +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
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
Simon Kelley
e3ec6f0bd7 Handle CNAMEs to DS records when confirming absence of DS for DNSSEC. 2015-06-12 21:39:11 +01:00
Neil Jerram
4918bd5505 Documenation updates for --bridge-interface and "off-link". 2015-06-10 22:23:20 +01:00
Neil Jerram
9bad339af8 Apply --bridge-interfaces to unsolicited router advertisements. 2015-06-10 22:16:35 +01:00
Neil Jerram
ba4fc0f996 Upply --bridge-interface aliasing to solicited router advertisements. 2015-06-10 22:14:49 +01:00
Neil Jerram
2fd5bc952d Allow router advertisements to have the "off-link" bit set. 2015-06-10 22:13:06 +01:00
Neil Jerram
0ddb8769bb Extend --bridge-interface aliasing to DHCPv6. 2015-06-10 22:11:06 +01:00
Neil Jerram
654f59e762 Fix logging of unknown interface in --bridge-interface, DHPCv4. 2015-06-10 22:06:33 +01:00
Simon Kelley
d91b1fd402 Add a couple of missed logging strings to the catalogue. 2015-06-09 20:45:07 +01:00
Nicolas Cavallari
c6d82c9ba6 Add Dbus methods to create and delete DHCP leases. 2015-06-09 20:42:20 +01:00
Simon Kelley
4d25cf89d5 Handle corner cases in NSEC coverage checks. 2015-06-06 23:13:57 +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
swigger
bd7bfa21c4 Correctly sanitise DNS header bits in answer when recreating query for retry. 2015-06-01 20:54:59 +01:00
Simon Kelley
549b1a478c Tweak immediately previous patch. 2015-05-20 20:20:24 +01:00
Simon Kelley
7f8565b94c Select correct DHCP context when in PXE bootserver mode. 2015-05-19 23:01:27 +01:00
Simon Kelley
06568c6636 Remove support for DNS Extended Label Types. 
The support was only partial, and the whole concept is
now deprecated in the standards.
 2015-05-15 20:43:48 +01:00
Simon Kelley
5d07d77e75 Fix buffer overflow introduced in 2.73rc6. 
Fix off-by-one in code which checks for over-long domain names
in received DNS packets. This enables buffer overflow attacks
which can certainly crash dnsmasq and may allow for arbitrary
code execution. The problem was introduced in commit b8f16556d,
release 2.73rc6, so has not escaped into any stable release.
Note that the off-by-one was in the label length determination,
so the buffer can be overflowed by as many bytes as there are
labels in the name - ie, many.

Thanks to Ron Bowes, who used lcmatuf's afl-fuzz tool to find
the problem.
 2015-05-15 18:13:06 +01:00
Simon Kelley
62018e1f72 Use correct DHCP context for PXE-proxy server-id. 2015-05-14 21:30:00 +01:00
Simon Kelley
7c0f2543a7 Tweak last commit. 2015-05-14 21:16:18 +01:00
Simon Kelley
ca85a28241 Allow T1 and T2 DHCPv4 options to be set. 2015-05-13 22:33:04 +01:00
Simon Kelley
86fa104692 Tweak EDNS timeout code. 2015-05-10 14:04:06 +01:00
Simon Kelley
b059c96dc6 Check IPv4-mapped IPv6 addresses with --stop-rebind. 2015-05-08 20:25:51 +01:00
Simon Kelley
a77cec8d58 Handle UDP packet loss when fragmentation of large packets is broken. 2015-05-08 16:25:38 +01:00
Nicolas Cavallari
64bcff1c7c Constify some DHCP lease management functions. 2015-04-28 21:55:18 +01:00
Simon Kelley
2ed162ac20 Don't remove RRSIG RR from answers to ANY queries when the do bit is not set. 2015-04-28 21:26:35 +01:00
Simon Kelley
e66b4dff3c Fix argument-order botch which broke DNSSEC for TCP queries. 2015-04-28 20:45:57 +01:00