The commonly used function network_get_ipaddr6 returns the first IP.
This modification avoids that it returns a deprecated IP if there is
any other IP available.

Signed-off-by: Jonas Lochmann <[email protected]>
---
 ubus.c | 41 ++++++++++++++++++++++++++++++++---------
 1 file changed, 32 insertions(+), 9 deletions(-)

diff --git a/ubus.c b/ubus.c
index 778fb10..5c68fba 100644
--- a/ubus.c
+++ b/ubus.c
@@ -514,14 +514,24 @@ netifd_add_interface_errors(struct blob_buf *b, struct 
interface *iface)
        blobmsg_close_array(b, e);
 }
 
+enum addr_type {
+       ADDR_IPv4 = 1,
+       ADDR_IPv6_Active = 2,
+       ADDR_IPv6_Deprecated = 4,
+       ADDR_IPv6 = 5,
+};
+
 static void
-interface_ip_dump_address_list(struct interface_ip_settings *ip, time_t now, 
bool v6, bool enabled)
+interface_ip_dump_address_list(struct interface_ip_settings *ip,
+                              time_t now, enum addr_type addr_type,
+                              bool enabled)
 {
        struct device_addr *addr;
        char *buf;
        void *a;
        int buflen = 128;
        int af;
+       bool v6 = addr_type != ADDR_IPv4;
 
        vlist_for_each_element(&ip->addr, addr, node) {
                if (addr->enabled != enabled)
@@ -535,6 +545,17 @@ interface_ip_dump_address_list(struct 
interface_ip_settings *ip, time_t now, boo
                if (af != (v6 ? AF_INET6 : AF_INET))
                        continue;
 
+               if (v6) {
+                       bool deprecated = addr->preferred_until &&
+                               addr->preferred_until <= now;
+
+                       enum addr_type flag = deprecated ?
+                               ADDR_IPv6_Deprecated : ADDR_IPv6_Active;
+
+                       if (!(addr_type & flag))
+                               continue;
+               }
+
                a = blobmsg_open_table(&b, NULL);
 
                buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
@@ -862,12 +883,13 @@ netifd_dump_status(struct interface *iface)
                if (iface->assignment_weight)
                        blobmsg_add_u32(&b, "ip6weight", 
iface->assignment_weight);
                a = blobmsg_open_array(&b, "ipv4-address");
-               interface_ip_dump_address_list(&iface->config_ip, now, false, 
true);
-               interface_ip_dump_address_list(&iface->proto_ip, now, false, 
true);
+               interface_ip_dump_address_list(&iface->config_ip, now, 
ADDR_IPv4, true);
+               interface_ip_dump_address_list(&iface->proto_ip, now, 
ADDR_IPv4, true);
                blobmsg_close_array(&b, a);
                a = blobmsg_open_array(&b, "ipv6-address");
-               interface_ip_dump_address_list(&iface->config_ip, now, true, 
true);
-               interface_ip_dump_address_list(&iface->proto_ip, now, true, 
true);
+               interface_ip_dump_address_list(&iface->config_ip, now, 
ADDR_IPv6, true);
+               interface_ip_dump_address_list(&iface->proto_ip, now, 
ADDR_IPv6_Active, true);
+               interface_ip_dump_address_list(&iface->proto_ip, now, 
ADDR_IPv6_Deprecated, true);
                blobmsg_close_array(&b, a);
                a = blobmsg_open_array(&b, "ipv6-prefix");
                interface_ip_dump_prefix_list(&iface->config_ip, now);
@@ -895,12 +917,13 @@ netifd_dump_status(struct interface *iface)
 
                inactive = blobmsg_open_table(&b, "inactive");
                a = blobmsg_open_array(&b, "ipv4-address");
-               interface_ip_dump_address_list(&iface->config_ip, now, false, 
false);
-               interface_ip_dump_address_list(&iface->proto_ip, now, false, 
false);
+               interface_ip_dump_address_list(&iface->config_ip, now, 
ADDR_IPv4, false);
+               interface_ip_dump_address_list(&iface->proto_ip, now, 
ADDR_IPv4, false);
                blobmsg_close_array(&b, a);
                a = blobmsg_open_array(&b, "ipv6-address");
-               interface_ip_dump_address_list(&iface->config_ip, now, true, 
false);
-               interface_ip_dump_address_list(&iface->proto_ip, now, true, 
false);
+               interface_ip_dump_address_list(&iface->config_ip, now, 
ADDR_IPv6, false);
+               interface_ip_dump_address_list(&iface->proto_ip, now, 
ADDR_IPv6_Active, false);
+               interface_ip_dump_address_list(&iface->proto_ip, now, 
ADDR_IPv6_Deprecated, false);
                blobmsg_close_array(&b, a);
                a = blobmsg_open_array(&b, "route");
                interface_ip_dump_route_list(&iface->config_ip, now, false);
-- 
2.47.3


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