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authorTom Gundersen <teg@jklm.no>2014-05-18 22:04:14 +0200
committerTom Gundersen <teg@jklm.no>2014-05-19 18:14:56 +0200
commit7374f9d87c710bc1ae3bfdb78a191a31c72d29b9 (patch)
tree002dc391d83b3df8cec25c8cf2ccffe1aa9eb753 /src/network/networkd-link.c
parent09bee74d7a5f266b175baa19892fa84a9da51d7f (diff)
networkd: link - serialize DNS information
Diffstat (limited to 'src/network/networkd-link.c')
-rw-r--r--src/network/networkd-link.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 87a8d9f4ca..8ce2dbd39c 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -1976,6 +1976,27 @@ int link_update(Link *link, sd_rtnl_message *m) {
return link_update_flags(link, m);
}
+static void serialize_addresses(FILE *f, const char *key, Address *address) {
+ Address *ad;
+
+ assert(f);
+ assert(key);
+
+ if (!address)
+ return;
+
+ fprintf(f, "%s=", key);
+
+ LIST_FOREACH(addresses, ad, address) {
+ char buf[INET6_ADDRSTRLEN];
+
+ if (inet_ntop(address->family, &address->in_addr, buf, INET6_ADDRSTRLEN))
+ fprintf(f, "%s%s", buf, (ad->addresses_next) ? " ": "");
+ }
+
+ fputs("\n", f);
+}
+
int link_save(Link *link) {
_cleanup_free_ char *temp_path = NULL;
_cleanup_fclose_ FILE *f = NULL;
@@ -2017,12 +2038,18 @@ int link_save(Link *link) {
"FLAGS=%u\n",
admin_state, oper_state, link->flags);
+ if (link->network)
+ serialize_addresses(f, "DNS", link->network->dns);
+
if (link->dhcp_lease) {
r = dhcp_lease_save(link->dhcp_lease, link->lease_file);
if (r < 0)
goto finish;
- fprintf(f, "DHCP_LEASE=%s\n", link->lease_file);
+ fprintf(f,
+ "DHCP_LEASE=%s\n"
+ "DHCP_USE_DNS=%s\n",
+ link->lease_file, yes_no(link->network->dhcp_dns));
} else
unlink(link->lease_file);