10 #include "interface.h"
11 #include "interface-ip.h"
17 addr_cmp(const void *k1, const void *k2, void *ptr)
19 return memcmp(k1, k2, sizeof(struct device_addr) -
20 offsetof(struct device_addr, mask));
24 route_cmp(const void *k1, const void *k2, void *ptr)
26 return memcmp(k1, k2, sizeof(struct device_route) -
27 offsetof(struct device_route, mask));
31 interface_update_proto_addr(struct vlist_tree *tree,
32 struct vlist_node *node_new,
33 struct vlist_node *node_old)
35 struct interface *iface;
37 struct device_addr *addr;
39 iface = container_of(tree, struct interface, proto_addr);
40 dev = iface->l3_dev->dev;
43 addr = container_of(node_old, struct device_addr, node);
44 if (!(addr->flags & DEVADDR_EXTERNAL))
45 system_del_address(dev, addr);
50 addr = container_of(node_new, struct device_addr, node);
51 if (!(addr->flags & DEVADDR_EXTERNAL))
52 system_add_address(dev, addr);
57 interface_update_proto_route(struct vlist_tree *tree,
58 struct vlist_node *node_new,
59 struct vlist_node *node_old)
61 struct interface *iface;
63 struct device_route *route;
65 iface = container_of(tree, struct interface, proto_route);
66 dev = iface->l3_dev->dev;
69 route = container_of(node_old, struct device_route, node);
70 if (!(route->flags & DEVADDR_EXTERNAL))
71 system_del_route(dev, route);
76 route = container_of(node_new, struct device_route, node);
77 if (!(route->flags & DEVADDR_EXTERNAL))
78 system_add_route(dev, route);
83 interface_add_dns_server(struct interface *iface, const char *str)
87 s = calloc(1, sizeof(*s));
89 if (inet_pton(s->af, str, &s->addr.in))
93 if (inet_pton(s->af, str, &s->addr.in))
100 D(INTERFACE, "Add IPv%c DNS server: %s\n",
101 s->af == AF_INET6 ? '6' : '4', str);
102 list_add_tail(&s->list, &iface->proto_dns_servers);
106 interface_add_dns_server_list(struct interface *iface, struct blob_attr *list)
108 struct blob_attr *cur;
111 blobmsg_for_each_attr(cur, list, rem) {
112 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
115 if (!blobmsg_check_attr(cur, NULL))
118 interface_add_dns_server(iface, blobmsg_data(cur));
123 interface_add_dns_search_domain(struct interface *iface, const char *str)
125 struct dns_search_domain *s;
126 int len = strlen(str);
128 s = calloc(1, sizeof(*s) + len + 1);
132 D(INTERFACE, "Add DNS search domain: %s\n", str);
133 memcpy(s->name, str, len);
134 list_add_tail(&s->list, &iface->proto_dns_search);
138 interface_add_dns_search_list(struct interface *iface, struct blob_attr *list)
140 struct blob_attr *cur;
143 blobmsg_for_each_attr(cur, list, rem) {
144 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
147 if (!blobmsg_check_attr(cur, NULL))
150 interface_add_dns_server(iface, blobmsg_data(cur));
155 interface_clear_dns_servers(struct interface *iface)
157 struct dns_server *s, *tmp;
159 list_for_each_entry_safe(s, tmp, &iface->proto_dns_servers, list) {
166 interface_clear_dns_search(struct interface *iface)
168 struct dns_search_domain *s, *tmp;
170 list_for_each_entry_safe(s, tmp, &iface->proto_dns_search, list) {
177 interface_clear_dns(struct interface *iface)
179 interface_clear_dns_servers(iface);
180 interface_clear_dns_search(iface);
184 interface_write_resolv_conf(void)
186 struct interface *iface;
187 struct dns_server *s;
188 struct dns_search_domain *d;
189 char *path = alloca(strlen(resolv_conf) + 5);
194 sprintf(path, "%s.tmp", resolv_conf);
196 f = fopen(path, "w");
198 D(INTERFACE, "Failed to open %s for writing\n", path);
202 vlist_for_each_element(&interfaces, iface, node) {
203 if (iface->state != IFS_UP)
206 if (list_empty(&iface->proto_dns_search) &&
207 list_empty(&iface->proto_dns_servers))
210 fprintf(f, "# Interface %s\n", iface->name);
211 list_for_each_entry(s, &iface->proto_dns_servers, list) {
212 str = inet_ntop(s->af, &s->addr, buf, sizeof(buf));
216 fprintf(f, "nameserver %s\n", str);
219 list_for_each_entry(d, &iface->proto_dns_search, list) {
220 fprintf(f, "search %s\n", d->name);
224 if (rename(path, resolv_conf) < 0) {
225 D(INTERFACE, "Failed to replace %s\n", resolv_conf);
231 interface_ip_update_start(struct interface *iface)
233 interface_clear_dns(iface);
234 vlist_update(&iface->proto_route);
235 vlist_update(&iface->proto_addr);
239 interface_ip_update_complete(struct interface *iface)
241 vlist_flush(&iface->proto_route);
242 vlist_flush(&iface->proto_addr);
246 interface_ip_init(struct interface *iface)
248 vlist_init(&iface->proto_route, route_cmp, interface_update_proto_route,
249 struct device_route, node, mask);
250 vlist_init(&iface->proto_addr, addr_cmp, interface_update_proto_addr,
251 struct device_addr, node, mask);