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Function append_reply filters out addresses having invalid prefix length
when constructing prefixes being delegated to a client.
Now also filter out addresses with an invalid prefix length when writing
the delegated prefixes in the statefile and during logging of the delegated
prefixes.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Fix assignment dereference by dhcpv6_log in case
the assignment is freed when nothing has been
assigned.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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DHCPv6 client
Fix displaying IPv6 addresses which were not assigned to a DHCPv6 client
Clean up the code by using macro ADDR_ENTRY_VALID_IA_ADDR on different
places to align the checks.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Fix static assignment check failure which was
introduced in commit 561890e
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Update valid_until lifetime only for non static DHCPv6 leases otherwise
the lifetime of a static lease is not infinite anymore
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Statefull IPv6 addresses are assigned to DHCPv6 clients from a
local prefix based on criteria which need to be fulfilled.
One of those criteria requires the IPv6 address still having
preferred lifetime which was not checked when constructing
the contents of the statefile.
Another criteria requires the prefix length not being smaller
than or equal to 64 when ra_management equals 0 or 1 which was
neither correctly checked when constructing the statefile.
This can lead to invalid hostname/IPv6 entries in the statefile
and thus possible connectivity issues when using DNS resolving.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Function free_dhcpv6_assignment already removes the assignment in
the list so there's no need to call list_del in reconf_timer
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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Further align coding style
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Fix hostname not being reported as "-" in the DHCP statefile in case
no hostname is reported by the DHCPv4 client
(https://:wqgithub.com/openwrt/odhcpd/issues/94)
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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In case infinite leasetime is assigned to a non static DHCPv4/v6 lease
override the infinite lifetime of the lease when either a DHCPv4/v6
decline or release is received.
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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The valid_until parameter which is set to 0 for static DHCPv6
assignments was overwritten depending on the received DHCPv6 message
which turned the assignment into having a finite lifetime and thus not
static anymore.
Fix this by checking if the valid_until parameter holds infinite
lifetime before updating it.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Fix assignment of static DHCPv6 leases which was broken
by commit 6c3bc0141dacc88992583d6f2cdc8a360df7422d.
At the same time fix lifetime check of existing assignments
having a finite lifetime
Fixes FS#309
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Display infinite valid lifetime as -1 both in ubus
and statefile
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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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>
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Patch by Daniel Dickinson
Signed-off-by: Steven Barth <steven@midlink.org>
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Fix compile issue due to comparison between signed and unsigned integers
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Signed-off-by: Steven Barth <steven@midlink.org>
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Steven Barth <steven@midlink.org>
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size
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Sometimes ip that is assigned to a host changes, old ip is still kept aroung as 'expired'.
This expired ip gets dumped into leasefile and is read by dnsmasq.
The result is that hotsname is resolved into expired ip and that confuses clients.
This patch prevents expired leases from being written into leasefile.
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