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device: check ext_ip6_config_captured for ll_addr in dhcp6_start_with_link_ready()

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We should not check ip6_config for the link local address because
ip6_config contains the merged settings we want to configure,
not the addresses that are actually configured on the device.
Check ext_ip6_config_captured for that.

Also, reuse nm_ip6_config_get_address_first_nontentative() which
only takes an address after it survived DAD.
This commit is contained in:
Thomas Haller
2016-01-30 22:31:37 +01:00
parent 9ff161b2a1
commit 118a75fcde
1 changed files with 4 additions and 12 deletions
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16
src/devices/nm-device.c
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@@ -5284,9 +5284,7 @@ dhcp6_start_with_link_ready (NMDevice *self, NMConnection *connection)
GByteArray *tmp = NULL;
const guint8 *hw_addr;
size_t hw_addr_len = 0;
const struct in6_addr *ll_addr = NULL;
NMIP6Config *ip6_config;
int i;
const NMPlatformIP6Address *ll_addr = NULL;
g_assert (connection);
s_ip6 = nm_connection_get_setting_ip6_config (connection);
@@ -5298,22 +5296,16 @@ dhcp6_start_with_link_ready (NMDevice *self, NMConnection *connection)
g_byte_array_append (tmp, hw_addr, hw_addr_len);
}
ip6_config = priv->ip6_config;
for (i = 0; ip6_config && i < nm_ip6_config_get_num_addresses (ip6_config); i++) {
const NMPlatformIP6Address *addr = nm_ip6_config_get_address (ip6_config, i);
if (priv->ext_ip6_config_captured)
ll_addr = nm_ip6_config_get_address_first_nontentative (priv->ext_ip6_config_captured, TRUE);
if (IN6_IS_ADDR_LINKLOCAL (&addr->address)) {
ll_addr = &addr->address;
break;
}
}
g_return_val_if_fail (ll_addr, FALSE);
priv->dhcp6_client = nm_dhcp_manager_start_ip6 (nm_dhcp_manager_get (),
nm_device_get_ip_iface (self),
nm_device_get_ip_ifindex (self),
tmp,
ll_addr,
&ll_addr->address,
nm_connection_get_uuid (connection),
nm_device_get_ip6_route_metric (self),
nm_setting_ip_config_get_dhcp_send_hostname (s_ip6),