#include <string.h>
#include <stdlib.h>
#include <stdio.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
#include "netifd.h"
#include "device.h"
struct vlist_node *node_new,
struct vlist_node *node_old)
{
+ struct interface_ip_settings *ip;
struct interface *iface;
struct device *dev;
struct device_addr *addr;
- iface = container_of(tree, struct interface, proto_addr);
+ ip = container_of(tree, struct interface_ip_settings, addr);
+ iface = ip->iface;
dev = iface->l3_dev->dev;
if (node_old) {
struct vlist_node *node_new,
struct vlist_node *node_old)
{
+ struct interface_ip_settings *ip;
struct interface *iface;
struct device *dev;
struct device_route *route;
- iface = container_of(tree, struct interface, proto_route);
+ ip = container_of(tree, struct interface_ip_settings, route);
+ iface = ip->iface;
dev = iface->l3_dev->dev;
if (node_old) {
}
void
-interface_ip_init(struct interface *iface)
+interface_add_dns_server(struct interface_ip_settings *ip, const char *str)
+{
+ struct dns_server *s;
+
+ s = calloc(1, sizeof(*s));
+ s->af = AF_INET;
+ if (inet_pton(s->af, str, &s->addr.in))
+ goto add;
+
+ s->af = AF_INET6;
+ if (inet_pton(s->af, str, &s->addr.in))
+ goto add;
+
+ free(s);
+ return;
+
+add:
+ D(INTERFACE, "Add IPv%c DNS server: %s\n",
+ s->af == AF_INET6 ? '6' : '4', str);
+ list_add_tail(&s->list, &ip->dns_servers);
+}
+
+void
+interface_add_dns_server_list(struct interface_ip_settings *ip, struct blob_attr *list)
+{
+ struct blob_attr *cur;
+ int rem;
+
+ blobmsg_for_each_attr(cur, list, rem) {
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
+ continue;
+
+ if (!blobmsg_check_attr(cur, NULL))
+ continue;
+
+ interface_add_dns_server(ip, blobmsg_data(cur));
+ }
+}
+
+void
+interface_add_dns_search_domain(struct interface_ip_settings *ip, const char *str)
+{
+ struct dns_search_domain *s;
+ int len = strlen(str);
+
+ s = calloc(1, sizeof(*s) + len + 1);
+ if (!s)
+ return;
+
+ D(INTERFACE, "Add DNS search domain: %s\n", str);
+ memcpy(s->name, str, len);
+ list_add_tail(&s->list, &ip->dns_search);
+}
+
+void
+interface_add_dns_search_list(struct interface_ip_settings *ip, struct blob_attr *list)
+{
+ struct blob_attr *cur;
+ int rem;
+
+ blobmsg_for_each_attr(cur, list, rem) {
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
+ continue;
+
+ if (!blobmsg_check_attr(cur, NULL))
+ continue;
+
+ interface_add_dns_server(ip, blobmsg_data(cur));
+ }
+}
+
+static void
+interface_clear_dns_servers(struct interface_ip_settings *ip)
+{
+ struct dns_server *s, *tmp;
+
+ list_for_each_entry_safe(s, tmp, &ip->dns_servers, list) {
+ list_del(&s->list);
+ free(s);
+ }
+}
+
+static void
+interface_clear_dns_search(struct interface_ip_settings *ip)
+{
+ struct dns_search_domain *s, *tmp;
+
+ list_for_each_entry_safe(s, tmp, &ip->dns_search, list) {
+ list_del(&s->list);
+ free(s);
+ }
+}
+
+void
+interface_write_resolv_conf(void)
+{
+ struct interface *iface;
+ struct dns_server *s;
+ struct dns_search_domain *d;
+ char *path = alloca(strlen(resolv_conf) + 5);
+ const char *str;
+ char buf[32];
+ FILE *f;
+
+ sprintf(path, "%s.tmp", resolv_conf);
+ unlink(path);
+ f = fopen(path, "w");
+ if (!f) {
+ D(INTERFACE, "Failed to open %s for writing\n", path);
+ return;
+ }
+
+ vlist_for_each_element(&interfaces, iface, node) {
+ if (iface->state != IFS_UP)
+ continue;
+
+ if (list_empty(&iface->proto_ip.dns_search) &&
+ list_empty(&iface->proto_ip.dns_servers))
+ continue;
+
+ fprintf(f, "# Interface %s\n", iface->name);
+ list_for_each_entry(s, &iface->proto_ip.dns_servers, list) {
+ str = inet_ntop(s->af, &s->addr, buf, sizeof(buf));
+ if (!str)
+ continue;
+
+ fprintf(f, "nameserver %s\n", str);
+ }
+
+ list_for_each_entry(d, &iface->proto_ip.dns_search, list) {
+ fprintf(f, "search %s\n", d->name);
+ }
+ }
+ fclose(f);
+ if (rename(path, resolv_conf) < 0) {
+ D(INTERFACE, "Failed to replace %s\n", resolv_conf);
+ unlink(path);
+ }
+}
+
+void
+interface_ip_update_start(struct interface_ip_settings *ip)
+{
+ interface_clear_dns_servers(ip);
+ interface_clear_dns_search(ip);
+ vlist_update(&ip->route);
+ vlist_update(&ip->addr);
+}
+
+void
+interface_ip_update_complete(struct interface_ip_settings *ip)
+{
+ vlist_flush(&ip->route);
+ vlist_flush(&ip->addr);
+}
+
+void
+interface_ip_flush(struct interface_ip_settings *ip)
+{
+ interface_clear_dns_servers(ip);
+ interface_clear_dns_search(ip);
+ vlist_flush_all(&ip->route);
+ vlist_flush_all(&ip->addr);
+}
+
+void
+interface_ip_init(struct interface_ip_settings *ip, struct interface *iface)
{
- vlist_init(&iface->proto_route, route_cmp, interface_update_proto_route,
+ ip->iface = iface;
+ INIT_LIST_HEAD(&ip->dns_search);
+ INIT_LIST_HEAD(&ip->dns_servers);
+ vlist_init(&ip->route, route_cmp, interface_update_proto_route,
struct device_route, node, mask);
- vlist_init(&iface->proto_addr, addr_cmp, interface_update_proto_addr,
+ vlist_init(&ip->addr, addr_cmp, interface_update_proto_addr,
struct device_addr, node, mask);
}
projects / project / netifd.git / blobdiff