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udhcp6: read_interface should save link-local ipv6 address

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Patch is based on work by tiggerswelt.net. They say:
"Using this patch it was no problem to acquire an IPv6-Address via DHCPv6
using ISC DHCPD6 on server-side."

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-03-27 22:10:15 +02:00
parent 8f3bf4f0d3
commit e09f5e3045
3 changed files with 71 additions and 5 deletions
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11
networking/udhcp/d6_dhcpc.c
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@ -311,7 +311,7 @@ static int d6_mcast_from_client_config_ifindex(struct d6_packet *packet, uint8_t
return d6_send_raw_packet(
packet, (end - (uint8_t*) packet),
/*src*/ NULL, CLIENT_PORT6,
/*src*/ &client6_data.ll_ip6, CLIENT_PORT6,
/*dst*/ (struct in6_addr*)FF02__1_2, SERVER_PORT6, MAC_BCAST_ADDR,
client_config.ifindex
);
@ -1003,9 +1003,9 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
udhcp_str2optset(optstr, &client_config.options);
}
if (udhcp_read_interface(client_config.interface,
if (d6_read_interface(client_config.interface,
&client_config.ifindex,
NULL,
&client6_data.ll_ip6,
client_config.client_mac)
) {
return 1;
@ -1106,13 +1106,14 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
* or if the status of the bridge changed).
* Refresh ifindex and client_mac:
*/
if (udhcp_read_interface(client_config.interface,
if (d6_read_interface(client_config.interface,
&client_config.ifindex,
NULL,
&client6_data.ll_ip6,
client_config.client_mac)
) {
goto ret0; /* iface is gone? */
}
memcpy(clientid_mac_ptr, client_config.client_mac, 6);
/* We will restart the wait in any case */