3:49 a.m.
The provided domain name helper allows to override the DHCP lease
option value with the static one from network configuration file.
---
src/netconfig.c | 34 +++++++++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/src/netconfig.c b/src/netconfig.c
index 9d32c37a..e7176444 100644
--- a/src/netconfig.c
+++ b/src/netconfig.c
@@ -251,6 +251,28 @@ static char **netconfig_ipv4_get_dns(struct netconfig *netconfig,
uint8_t proto)
return NULL;
}
+static char *netconfig_ipv4_get_domain_name(struct netconfig *netconfig,
+ uint8_t proto)
+{
+ const struct l_dhcp_lease *lease;
+ char *domain_name;
+
+ domain_name = l_settings_get_string(netconfig->active_settings,
+ "IPv4", "DomainName");
+ if (domain_name)
+ /* Allow to override the DHCP domain name with setting entry. */
+ return domain_name;
+
+ if (proto != RTPROT_DHCP)
+ return NULL;
+
+ lease = l_dhcp_client_get_lease(netconfig->dhcp_client);
+ if (!lease)
+ return NULL;
+
+ return l_dhcp_lease_get_domain_name(lease);
+}
+
static struct netconfig_ifaddr *netconfig_ipv6_get_ifaddr(
struct netconfig *netconfig,
uint8_t proto)
@@ -685,6 +707,7 @@ static void netconfig_ipv4_ifaddr_add_cmd_cb(int error, uint16_t
type,
struct netconfig *netconfig = user_data;
struct netconfig_ifaddr *ifaddr;
char **dns;
+ char *domain_name;
if (error && error != -EEXIST) {
l_error("netconfig: Failed to add IP address. "
@@ -709,12 +732,21 @@ static void netconfig_ipv4_ifaddr_add_cmd_cb(int error, uint16_t
type,
dns = netconfig_ipv4_get_dns(netconfig, netconfig->rtm_protocol);
if (!dns) {
l_error("netconfig: Failed to obtain DNS addresses.");
- goto done;
+ goto domain_name;
}
resolve_add_dns(netconfig->ifindex, ifaddr->family, dns);
l_strv_free(dns);
+domain_name:
+ domain_name = netconfig_ipv4_get_domain_name(netconfig,
+ netconfig->rtm_protocol);
+ if (!domain_name)
+ goto done;
+
+ resolve_add_domain_name(netconfig->ifindex, domain_name);
+ l_free(domain_name);
+
done:
netconfig_ifaddr_destroy(ifaddr);
}
--
2.13.6
3:49 a.m.
New subject: [PATCH v2 2/2] resolve: Add systemd-resolved domain name installer
---
src/resolve.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/resolve.h | 1 +
2 files changed, 83 insertions(+)
diff --git a/src/resolve.c b/src/resolve.c
index 387e0b3c..0c06d521 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -42,6 +42,8 @@ struct resolve_method_ops {
void (*exit)(void *data);
void (*add_dns)(uint32_t ifindex, uint8_t type, char **dns_list,
void *data);
+ void (*add_domain_name)(uint32_t ifindex, char *domain_name,
+ void *data);
void (*remove)(uint32_t ifindex, void *data);
};
@@ -177,6 +179,74 @@ static void resolve_systemd_add_dns(uint32_t ifindex, uint8_t type,
state, NULL);
}
+static void systemd_link_add_domains_reply(struct l_dbus_message *message,
+ void *user_data)
+{
+ const char *name;
+ const char *text;
+
+ if (!l_dbus_message_is_error(message))
+ return;
+
+ l_dbus_message_get_error(message, &name, &text);
+
+ l_error("resolve-systemd: Failed to modify the domain entries. %s: %s",
+ name, text);
+}
+
+static void resolve_systemd_add_domain_name(uint32_t ifindex, char *domain_name,
+ void *data)
+{
+ struct systemd_state *state = data;
+ struct l_dbus_message_builder *builder;
+ struct l_dbus_message *message;
+ bool routing_domain;
+
+ l_debug("ifindex: %u", ifindex);
+
+ if (!state->is_ready) {
+ l_error("resolve-systemd: Failed to add domain name. "
+ "Is 'systemd-resolved' service running?");
+
+ return;
+ }
+
+ message =
+ l_dbus_message_new_method_call(dbus_get_bus(),
+ SYSTEMD_RESOLVED_SERVICE,
+ SYSTEMD_RESOLVED_MANAGER_PATH,
+ SYSTEMD_RESOLVED_MANAGER_INTERFACE,
+ "SetLinkDomains");
+
+ if (!message)
+ return;
+
+ builder = l_dbus_message_builder_new(message);
+ if (!builder) {
+ l_dbus_message_unref(message);
+ return;
+ }
+
+ routing_domain = true;
+
+ l_dbus_message_builder_append_basic(builder, 'i', &ifindex);
+
+ l_dbus_message_builder_enter_array(builder, "(sb)");
+
+ l_dbus_message_builder_enter_struct(builder, "sb");
+ l_dbus_message_builder_append_basic(builder, 's', domain_name);
+ l_dbus_message_builder_append_basic(builder, 'b', &routing_domain);
+ l_dbus_message_builder_leave_struct(builder);
+
+ l_dbus_message_builder_leave_array(builder);
+
+ l_dbus_message_builder_finalize(builder);
+ l_dbus_message_builder_destroy(builder);
+
+ l_dbus_send_with_reply(dbus_get_bus(), message,
+ systemd_link_add_domains_reply, state, NULL);
+}
+
static void resolve_systemd_remove(uint32_t ifindex, void *data)
{
struct systemd_state *state = data;
@@ -249,6 +319,7 @@ static const struct resolve_method_ops resolve_method_systemd = {
.init = resolve_systemd_init,
.exit = resolve_systemd_exit,
.add_dns = resolve_systemd_add_dns,
+ .add_domain_name = resolve_systemd_add_domain_name,
.remove = resolve_systemd_remove,
};
@@ -376,6 +447,17 @@ void resolve_add_dns(uint32_t ifindex, uint8_t type, char
**dns_list)
method.ops->add_dns(ifindex, type, dns_list, method.data);
}
+void resolve_add_domain_name(uint32_t ifindex, char *domain_name)
+{
+ if (!domain_name)
+ return;
+
+ if (!method.ops || !method.ops->add_dns)
+ return;
+
+ method.ops->add_domain_name(ifindex, domain_name, method.data);
+}
+
void resolve_remove(uint32_t ifindex)
{
if (!method.ops || !method.ops->remove)
diff --git a/src/resolve.h b/src/resolve.h
index b0335868..68aaa7d6 100644
--- a/src/resolve.h
+++ b/src/resolve.h
@@ -21,4 +21,5 @@
*/
void resolve_add_dns(uint32_t ifindex, uint8_t type, char **dns_list);
+void resolve_add_domain_name(uint32_t ifindex, char *domain_name);
void resolve_remove(uint32_t ifindex);
--
2.13.6
1013
days inactive
1013
days old
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Tim Kourt