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b2a9c571ebb333acbaa6bd752142df6821cb410c
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105 Commits
Author SHA1 Message Date
Simon Kelley b2a9c571eb Add "known-othernet" DHCP tag. 2017-04-30 18:21:31 +01:00
Simon Kelley a9df0e30b0 Revert "Implement RFC-6842 (Client-ids in DHCP replies.)" 
This reverts commit 88a77a78ad.

A least one client has been found which breaks with this change. Since
the use-case is not clear, I'm reverting the change, at least for now.
 2017-04-28 22:44:24 +01:00
Simon Kelley 5ce3e76fbf DHCPv4: do ICMP-ping check in all cases other that current lease. 2017-04-28 22:14:20 +01:00
Floris Bos 503c609149 --dhcp-reply-delay option to workaround PXE client bugs. 
Adds option to delay replying to DHCP packets by one or more seconds.
This provides a workaround for a PXE boot firmware implementation
that has a bug causing it to fail if it receives a (proxy) DHCP
reply instantly.

On Linux it looks up the exact receive time of the UDP packet with
the SIOCGSTAMP ioctl to prevent multiple delays if multiple packets
come in around the same time.
 2017-04-09 23:07:13 +01:00
Simon Kelley 88a77a78ad Implement RFC-6842 (Client-ids in DHCP replies.) 2017-02-11 17:02:02 +00:00
Josh Soref 730c6745f0 Comprehensive spelling/typo fixes. 
Thanks to Josh Soref for generating these fixes.
 2017-02-06 16:14:04 +00:00
ZHAO Yu f89cae3ecf Add DNSMASQ_REQUESTED_OPTIONS env-var to lease change script. 2016-12-22 22:32:31 +00:00
Simon Kelley 591ed1e905 Fix bad behaviour with some DHCP option arrangements. 
The check that there's enough space to store the DHCP agent-id
at the end of the packet could succeed when it should fail
if the END option is in either of the oprion-overload areas.
That could overwrite legit options in the request and cause
bad behaviour. It's highly unlikely that any sane DHCP client
would trigger this bug, and it's never been seen, but this
fixes the problem.

Also fix off-by-one in bounds checking of option processing.
Worst case scenario on that is a read one byte beyond the
end off a buffer with a crafted packet, and maybe therefore
a SIGV crash if the memory after the buffer is not mapped.

Thanks to Timothy Becker for spotting these.
 2016-07-11 18:18:42 +01:00
Simon Kelley 0a4a04969d Final PXE tweak, and release-note to reflect changes. 2016-05-15 20:13:45 +01:00
Simon Kelley fe71bba356 Tweak UEFI workaround code. 2016-05-14 20:50:45 +01:00
Simon Kelley cbc100fc81 Tweak CSAs affected by UEFI PXE workaround code. 2016-05-11 22:17:18 +01:00
Simon Kelley 8628cd603f Workaround for UEFI PXE boot problems. 2016-05-10 17:31:48 +01:00
Simon Kelley a93bd4b016 Fix broken DNSMASQ_USER<x> envvars in script with more than one class. 2016-03-01 18:58:01 +00:00
Simon Kelley c49778df4a Update copyright notices. Happy new year! 2016-01-06 18:52:33 +00:00
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 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 aff3396280 Update copyrights for dawn of 2015. 2015-01-31 20:13:40 +00:00
Simon Kelley cc1a29e250 Make --quiet-dhcp apply to DHCPDISCOVER when client ignored. 2014-03-20 15:47:18 +00:00
Simon Kelley c47e3ba446 Update copyright for 2014. 2014-01-08 17:07:54 +00:00
Vladislav Grishenko 99e8891f85 Fix compiler warning. 2013-11-26 11:02:29 +00:00
Kevin Darbyshire-Bryant 227ddad9b5 Fix logic botch in quiet-dhcp option. 2013-10-24 17:47:00 +01:00
Kevin Darbyshire-Bryant 8c0b73d3a8 Add --quiet-* options. 2013-10-11 11:56:33 +01:00
Simon Kelley a37cd7aaf5 Use tags from pxe-proxy dhcp-range statements. 2013-08-20 10:33:32 +01:00
Simon Kelley 0f371f9e1a Remove dead code. 2013-07-27 15:15:38 +01:00
Simon Kelley ff1b41dc57 Merge branch 'master' of ssh://thekelleys.org.uk/var/cache/git/dnsmasq 
Conflicts:
	CHANGELOG
 2013-07-27 12:32:29 +01:00
Roy Marples 3f3adae6bc DHCP FQDN option tweaks. 2013-07-25 16:22:46 +01:00
Simon Kelley 625ac28c61 Fix crash with empty DHCP string options. 2013-07-02 21:19:32 +01:00
Simon Kelley 115ac3e4d7 Generalise --interface-name to cope with IPv6 addresses. 2013-05-20 11:28:32 +01:00
Simon Kelley 86e92f9983 --dhcp-match et al now work with BOOTP as well as DHCP. 2013-04-23 11:31:39 +01:00
Simon Kelley aa63a21ce0 Fix regression in dhcp_lease_time utility. 2013-04-22 15:01:52 +01:00
Simon Kelley dd1721c799 DHCPv4 relay-agent options exposed to DHCP-script. 2013-02-18 21:04:04 +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 ffa3d7d6a2 Copy-and-paste error 2013-02-04 21:35:43 +00:00
Simon Kelley 61744359de Change copyright messages to include 2013. 2013-01-31 14:34:40 +00:00
Simon Kelley d1a5975f9b No lease-time in DHCPINFORM replies. 2012-11-05 16:50:30 +00:00
Simon Kelley 4d0f5b4c44 Fix BOOTP option processing. 2012-09-05 23:29:30 +01:00
Simon Kelley 9fed0f71c2 Further tweaks to DHCP FQDN option. 2012-08-30 11:43:35 +01:00
Simon Kelley 2e34ac1403 Handle DHCP FQDN option with all flags zero and --dhcp-client-update 2012-08-29 14:15:25 +01:00
Simon Kelley a9ab732e35 reconfirm SLAAC addresses when DHCPv4 leases go though INIT_REBOOT state. 2012-04-29 16:01:28 +01:00
Simon Kelley dcffad2a86 Ensure that the DBus DhcpLeaseUpdated events are generated. 2012-04-24 15:25:18 +01:00
Simon Kelley 7d2b5c9583 Fix crash in DHCPINFORM without valid --dhcp-range. 2012-03-23 10:00:02 +00:00
Simon Kelley 353ae4d270 Check assumed SLAAC addresses by pinging them. 2012-03-19 20:07:51 +00:00
Simon Kelley 57f460de2f tweak Lua script argument passing and add --dhcp-luascript sectino to manpage. 2012-02-16 20:00:32 +00:00
Simon Kelley 6caacacf6d Putative fix to crash in IPv4 DHCP, introduced whilst 
generalising the DHCP option filter code:
don't match options against context tag  when
context->netid.net == NULL, since there's no tag then.
 2012-02-15 21:58:33 +00:00
Simon Kelley c6cc03ed0c Merge branch 'dhcpv6' 2012-02-10 17:36:20 +00:00
Simon Kelley 751d6f4ae6 Allow the TFP server or boot server in --pxe-service, to 
be a domain name instead of an IP address. This allows for
 round-robin to multiple servers, in the same way as
 --dhcp-boot.
 2012-02-10 15:24:51 +00:00
Simon Kelley ceae00dddf lease script should work with IPv6 now. 2012-02-09 21:28:14 +00:00