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Add support for rapid commit according to RFC8415 18.3.1
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Improve error checking fixing resource leakage detected by Coverity in
CID 1430880
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Rework the handling of netlink events by letting the different
modules ndp, ra, dhcpv6 and dhcpv4 install netevent handlers.
The installed netevent handlers are called by the netlink logic
passing an event indication together with event data.
Each netevent handler implements its own event logic; this
makes the code more modular and less complex by moving all
netlink code to netlink.c
While at it rename ia_addr and ia_addr_len into addr6 and
addr6_len respectively
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Rework reconfigure accept retransmission logic; every DHCPv6 assignment
has its own reconfigure accept timer now making sure the timeout and
retransmission behavior is in line with RFC3315 paragraph 19.1.2.
While at it rename the original reconf_timer into valid_until_timeout as
it will only check now the lifetime of the assignments.
Set reconf_cnt to INT_MAX for every assignment which belongs to the same
client identifier; before the reconf_cnt of the first handled assignment
was set by mistake breaking the retransmission logic.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Retrieve IPv6 interface addresses when the interface gets created; this
allows to get rid of the IPv6 address dump logic in ndp.c.
Add IPv4 address support in odhcp_ipaddr struct.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Set bound flag for DHCPv4 and DHCPv6 assignments when the IPv6/IPv4 address
is leased to a client.
This will prevent the printing of leases and hostname/IPv4/IPv6 address
combinations in the state file for for which the IPv4/6 address has not
been assigned.
Also this will fix the printing of assignments which have been declined
by the clients
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Patch by Daniel Dickinson
Signed-off-by: Steven Barth <steven@midlink.org>
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As described in RFC3315 §15 any solicit, confirm, rebind or information request message is discarded if the destination address is unicast
Likewise any request (§18.2.1), renew (§18.2.3), release (§18.2.6) or decline (§18.2.7) message is discarded and the server replies with the status code use multicast.
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