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2017-05-15config: fix invalid retranstime in RA messageHans Dedecker
Don't send an invalid retranstime in RA message when the interface is shutdown due to a invalid configured ra_retranstime. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-05-15config: fix invalid reachabletime in RA messageHans Dedecker
Don't send an invalid reachabletime in RA message when the interface is shutdown due to a invalid configured ra_reachabletime. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-05-15config: limit ra_mtu to 65535Hans Dedecker
Limit the maximum ra_mtu to 65535 Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-05-15config: limit ra_retranstime to 60000Hans Dedecker
Limit the maximum ra_retranstime value to 60000 milliseconds as described in RFC7048. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-05-12config: make RA retransTime configurable via uciHans Dedecker
Allow to specify the router advertisement retrans time via the uci parameter ra_retranstime. If retransmit time is not configured the value is set to 0 in RA message meaning undefined.
2017-05-11config: make RA reachableTime configurable via uciHans Dedecker
Allow to specify the router advertisement reachable time via the uci parameter ra_reachabletime. If reachable time is not configured the value is set to 0 in RA message meaning undefined. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-05-11config: make RA curHopLimit configurable via uciHans Dedecker
Allow to specify the router advertisement current hop limit via the uci parameter ra_hoplimit. If hoplimit is not configured the hoplimit is taken from the interface as before. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-05-11config: make RA mtu configurable via UCIHans Dedecker
Allow to specify the router advertisement mtu via the uci parameter ra_mtu. In case the config parameter is not set the MTU is taken from the interface as before. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-05-11config: fix dhcpv4 server being startedHans Dedecker
In case maindhcp is set to disabled in global config one expect the DHCPv4 server not being started irrespective if the dhcpv4 interface config is set to server. Fix this by keeping maindhcp config apart from the legacy config parameter as already documented in the README. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-03-29rework IPv6 address dump logicHans Dedecker
Make the code more logical by moving the IPv6 address dump logic into the different protocol interface enable handlers so it's clear which protocols require interface IPv6 address tracking. At the same time restructure the IPv6 address dump logic so less IPv6 address netlink dumps are created. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-02-20router: allow RA prefix lifetime being set to leasetime value (FS#397)Hans Dedecker
Add config option ra_useleasetime which allows the RA prefix lifetime being set to the leasetime in case the valid and/or preferred prefix lifetime is bigger than the configured leasetime. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-02-19treewide: simplify dhcp leasetime checkingHans Dedecker
Set dhcp leasetim to 43200 seconds for all interfaces independant if dhcpv4 is enabled for an interface. Minimum allowed leasetime is 60 seconds when parsing leastime configuration; this allows to clean up the awkward leasetime checks on different places in the code Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-02-16router: support ra_mininterval and ra_lifetime uci parameters (FS#397)Hans Dedecker
Add support for uci parameters ra_mininterval and ra_lifetime as described in RFC4861 paragraph 6.2.1. Variable ra_mininterval allows to configure the minimum interval time between unsolicited router advertisement messages; default value is 200 seconds. The minimum allowed value is 4 seconds while the maximum value is limited to 0.75 of the maximum interval time. The calculation of the maximum interval time between unsolicited router advertisement messages has been reworked. The default value is 600 seconds as specified in RFC4861; if the maximum interval time exceeds 0.33 * the minimal valid lifetime of all IPv6 prefixes it will be limited to 0.33 * the minimal valid lifetime of all IPv6 prefixes Variable ra_lifetime allows to configure the Router Lifetime field in the router advertisement messages; the value is either 0 or a value between the maximum interval time and 9000 seconds. If the router lifetime is smaller than the RA maximum interval it will be set equal to the RA maximum interval time. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-02-14config: make loglevel configurable via uci (FS#481)Hans Dedecker
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-02-09config: restore interface defaults when cleaning interfaceHans Dedecker
Interface defaults are whiped when clean interface is executed resulting into loss of default behavior for the ndproxy_routing and ra_management uci parameters Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2017-01-05config: respect ignore uci optionJo-Philipp Wich
The odhcpd documentation currently implies that "option ignore 1" in a section of type "dhcp" will disable any services on the referenced interface while the code actually ignores the setting when initializing referenced interfaces. This commonly leads to situations where users think that "option disabled" will prevent any server activity on a given interface while in reality odhcpd effectively acts as rogue DHCPv6 server in its default configuration. To fully inhibit any activity, one has to specify both "option ignore 1" as well as "option ra disabled", "option ndp disabled" and "option dhcpv6 disabled" which is highly counter intuitive at best. A previous commit (5f425ed Respect interface "ignore" settings as documented.) attempted to address the problem by observing the value of i->ignore instead of unconditionally enabling all protocols but broke the ability to use DHCPv6 relay mode while having DHCPv4 disabled. This patch changes ... - the enabling of services on an interface to use the value of the ignore option as default choice instead of hardcoding "true" - the options "ra", "ndp", "dhcpv4" and "dhcpv6" to take precedence over the default "ignore" state to allow selectively enabling services on ignored interfaces - the README to clarify the fact that "ra", "ndp", "dhcpv4" and "dhcpv6" can now override "option ignore" Signed-off-by: Jo-Philipp Wich <jo@mein.io> Acked-by: Karl Palsson <karlp@etactica.com> Tested-by: Stijn Tintel <stijn@linux-ipv6.be> Tested-by: Hans Dedecker <dedeckeh@gmail.com>
2016-12-29config: use free_lease to delete a leaseHans Dedecker
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2016-12-29config: coding style fixesHans Dedecker
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2016-12-29config: Create statefile dirHans Dedecker
Create statefile dir if the specified dir does not yet exist Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2016-12-27Revert "Respect interface "ignore" settings as documented."Stijn Tintel
This reverts commit 5f425ed1e5f92397e27ec4f44820b6ef677b8134. Both dnsmasq and odhcpd use the ignore option. This is fine for normal operation, but it breaks DHCPv6 relay when dnsmasq is disabled on the wan interface. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2016-12-12config: Fix RA interface config being overwrittenHans Dedecker
In case multiple dhcp uci sections are configured and one section contains RA config while the other section does not; the RA interface config of the first section will be overwritten by the second section. Fix this by setting the default values for ra_management and ndp_proxy_routing uci parameters when the interface is created and by removing the overwrite check Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2016-11-21Respect interface "ignore" settings as documented.Karl Palsson
The "ignore" option is correctly loaded. Actually observe it as documented. Signed-off-by: Karl Palsson <karlp@etactica.com>
2016-11-21config: Support infinite as DHCP pool leasetime valueHans Dedecker
Add support for infinite leasetime value; this can be done by specifying "infinite" as leasetime value which is similar to dnsmasq infinite leasetime support. Specifying "infinite" as leasetime is valid for both the host and dhcp uci sections. A DHCPv4/DHCPv6 assignment is now considered infinite if valid_unil holds the value 0. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2016-05-19Add per-host leasetime supportSteven Barth
Patch by Daniel Dickinson Signed-off-by: Steven Barth <steven@midlink.org>
2015-12-15config: blobmsg_check_attr expects bool type as last argumentHans Dedecker
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2015-11-27config: Prioritize ifname resolving via ubus over ifname/networkid attributesHans Dedecker
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2015-11-27config: Close interface when ifindex cannot be resolvedHans Dedecker
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
2015-07-14Remove unsolicited unicast RAs, adjust intervalsSteven Barth
2015-04-21config: fix typo in reload_cbSteven Barth
2015-03-30properly handle return codesJohn Crispin
Signed-off-by: John Crispin <blogic@openwrt.org>
2014-10-17ndp: more fixesSteven Barth
2014-10-16Begin rewrite of NDP-relaySteven Barth
2014-10-16router: add support for router addressSteven Barth
2014-09-25config: remove spurious free() callSteven Barth
2014-08-12dhcpv4: implement router configuration optionChristian Mehlis
RFC 2132 defines: 3.5. Router Option The router option specifies a list of IP addresses for routers on the client's subnet. Routers SHOULD be listed in order of preference. The code for the router option is 3. The minimum length for the router option is 4 octets, and the length MUST always be a multiple of 4. Code Len Address 1 Address 2 +-----+-----+-----+-----+-----+-----+-----+-----+-- | 3 | n | a1 | a2 | a3 | a4 | a1 | a2 | ... +-----+-----+-----+-----+-----+-----+-----+-----+--
2014-07-22Revert "rewrite of NDP proxy" for nowSteven Barth
2014-07-16Initial rewrite of NDP proxySteven Barth
2014-06-17Make hostid more convenientSteven Barth
2014-06-16config: accept domains with trailing .Steven Barth
2014-05-30Make filtering customizableSteven Barth
2014-05-25Add support for raw DHCPv6 attributesSteven Barth
2014-04-09config: use correct defaults if interface is not in UCISteven Barth
2014-04-01Complete managed PD/CER-ID supportSteven Barth
2014-02-25config: more static ndp fixesSteven Barth
2014-01-23Fix ra_management and ndproxy_routing config overwriteHans Dedecker
Set default values for the ra_management and ndproxy_routing config parameters if no attributes are present and overwrite is to true.
2014-01-18Fix memory corruption when reloading static leasesSteven Barth
2014-01-17Don't enable relay master if no slaves are presentSteven Barth
2014-01-17Use hybrid management mode by defaultSteven Barth
2014-01-17Fix prefix detection for hybrid modeSteven Barth
2014-01-13Fix interface ignore overwriteHans Dedecker
Don't overwrite interface ignore uci parameter when resolving ifindex. Don't put interface in use when ifindex is unknown as interface cannot be setup and needs to be closed.
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