10 #include "interface.h"
11 #include "interface-ip.h"
27 static const struct blobmsg_policy route_attr
[__ROUTE_MAX
] = {
28 [ROUTE_INTERFACE
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
29 [ROUTE_TARGET
] = { .name
= "target", .type
= BLOBMSG_TYPE_STRING
},
30 [ROUTE_MASK
] = { .name
= "netmask", .type
= BLOBMSG_TYPE_STRING
},
31 [ROUTE_GATEWAY
] = { .name
= "gateway", .type
= BLOBMSG_TYPE_STRING
},
32 [ROUTE_DEVICE
] = { .name
= "device", .type
= BLOBMSG_TYPE_STRING
},
33 [ROUTE_METRIC
] = { .name
= "metric", .type
= BLOBMSG_TYPE_INT32
},
34 [ROUTE_MTU
] = { .name
= "mtu", .type
= BLOBMSG_TYPE_INT32
},
37 const struct config_param_list route_attr_list
= {
38 .n_params
= __ROUTE_MAX
,
43 interface_ip_add_route(struct interface
*iface
, struct blob_attr
*attr
, bool v6
)
45 struct interface_ip_settings
*ip
;
46 struct blob_attr
*tb
[__ROUTE_MAX
], *cur
;
47 struct device_route
*route
;
48 int af
= v6
? AF_INET6
: AF_INET
;
51 blobmsg_parse(route_attr
, __ROUTE_MAX
, tb
, blobmsg_data(attr
), blobmsg_data_len(attr
));
53 if (!tb
[ROUTE_GATEWAY
] && !tb
[ROUTE_DEVICE
])
57 if ((cur
= tb
[ROUTE_INTERFACE
]) == NULL
)
60 iface
= vlist_find(&interfaces
, blobmsg_data(cur
), iface
, node
);
64 ip
= &iface
->config_ip
;
67 ip
= &iface
->proto_ip
;
70 route
= calloc(1, sizeof(*route
));
74 route
->mask
= v6
? 128 : 32;
75 if ((cur
= tb
[ROUTE_MASK
]) != NULL
) {
76 route
->mask
= parse_netmask_string(blobmsg_data(cur
), v6
);
77 if (route
->mask
> (v6
? 128 : 32))
81 if ((cur
= tb
[ROUTE_TARGET
]) != NULL
) {
82 if (!inet_pton(af
, blobmsg_data(cur
), &route
->addr
)) {
83 DPRINTF("Failed to parse route target: %s\n", (char *) blobmsg_data(cur
));
88 if ((cur
= tb
[ROUTE_GATEWAY
]) != NULL
) {
89 if (!inet_pton(af
, blobmsg_data(cur
), &route
->nexthop
)) {
90 DPRINTF("Failed to parse route gateway: %s\n", (char *) blobmsg_data(cur
));
95 if ((cur
= tb
[ROUTE_METRIC
]) != NULL
)
96 route
->metric
= blobmsg_get_u32(cur
);
98 if ((cur
= tb
[ROUTE_MTU
]) != NULL
)
99 route
->mtu
= blobmsg_get_u32(cur
);
101 if (!config
&& (cur
= tb
[ROUTE_DEVICE
]) != NULL
)
102 route
->device
= device_get(blobmsg_data(cur
), true);
104 vlist_add(&ip
->route
, &route
->node
);
112 addr_cmp(const void *k1
, const void *k2
, void *ptr
)
114 return memcmp(k1
, k2
, sizeof(struct device_addr
) -
115 offsetof(struct device_addr
, mask
));
119 route_cmp(const void *k1
, const void *k2
, void *ptr
)
121 return memcmp(k1
, k2
, sizeof(struct device_route
) -
122 offsetof(struct device_route
, mask
));
126 interface_update_proto_addr(struct vlist_tree
*tree
,
127 struct vlist_node
*node_new
,
128 struct vlist_node
*node_old
)
130 struct interface_ip_settings
*ip
;
131 struct interface
*iface
;
133 struct device_addr
*addr
;
135 ip
= container_of(tree
, struct interface_ip_settings
, addr
);
137 dev
= iface
->l3_dev
->dev
;
140 addr
= container_of(node_old
, struct device_addr
, node
);
141 if (!(addr
->flags
& DEVADDR_EXTERNAL
) && addr
->enabled
)
142 system_del_address(dev
, addr
);
147 addr
= container_of(node_new
, struct device_addr
, node
);
148 if (!(addr
->flags
& DEVADDR_EXTERNAL
))
149 system_add_address(dev
, addr
);
150 addr
->enabled
= true;
155 interface_update_proto_route(struct vlist_tree
*tree
,
156 struct vlist_node
*node_new
,
157 struct vlist_node
*node_old
)
159 struct interface_ip_settings
*ip
;
160 struct interface
*iface
;
162 struct device_route
*route
;
164 ip
= container_of(tree
, struct interface_ip_settings
, route
);
166 dev
= iface
->l3_dev
->dev
;
169 route
= container_of(node_old
, struct device_route
, node
);
170 if (!(route
->flags
& DEVADDR_EXTERNAL
) && route
->enabled
)
171 system_del_route(dev
, route
);
176 route
= container_of(node_new
, struct device_route
, node
);
177 if (!(route
->flags
& DEVADDR_EXTERNAL
))
178 system_add_route(dev
, route
);
179 route
->enabled
= true;
184 interface_add_dns_server(struct interface_ip_settings
*ip
, const char *str
)
186 struct dns_server
*s
;
188 s
= calloc(1, sizeof(*s
));
190 if (inet_pton(s
->af
, str
, &s
->addr
.in
))
194 if (inet_pton(s
->af
, str
, &s
->addr
.in
))
201 D(INTERFACE
, "Add IPv%c DNS server: %s\n",
202 s
->af
== AF_INET6
? '6' : '4', str
);
203 list_add_tail(&s
->list
, &ip
->dns_servers
);
207 interface_add_dns_server_list(struct interface_ip_settings
*ip
, struct blob_attr
*list
)
209 struct blob_attr
*cur
;
212 blobmsg_for_each_attr(cur
, list
, rem
) {
213 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
216 if (!blobmsg_check_attr(cur
, NULL
))
219 interface_add_dns_server(ip
, blobmsg_data(cur
));
224 interface_add_dns_search_domain(struct interface_ip_settings
*ip
, const char *str
)
226 struct dns_search_domain
*s
;
227 int len
= strlen(str
);
229 s
= calloc(1, sizeof(*s
) + len
+ 1);
233 D(INTERFACE
, "Add DNS search domain: %s\n", str
);
234 memcpy(s
->name
, str
, len
);
235 list_add_tail(&s
->list
, &ip
->dns_search
);
239 interface_add_dns_search_list(struct interface_ip_settings
*ip
, struct blob_attr
*list
)
241 struct blob_attr
*cur
;
244 blobmsg_for_each_attr(cur
, list
, rem
) {
245 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
248 if (!blobmsg_check_attr(cur
, NULL
))
251 interface_add_dns_search_domain(ip
, blobmsg_data(cur
));
256 interface_clear_dns_servers(struct interface_ip_settings
*ip
)
258 struct dns_server
*s
, *tmp
;
260 list_for_each_entry_safe(s
, tmp
, &ip
->dns_servers
, list
) {
267 interface_clear_dns_search(struct interface_ip_settings
*ip
)
269 struct dns_search_domain
*s
, *tmp
;
271 list_for_each_entry_safe(s
, tmp
, &ip
->dns_search
, list
) {
278 interface_write_resolv_conf(void)
280 struct interface
*iface
;
281 struct dns_server
*s
;
282 struct dns_search_domain
*d
;
283 char *path
= alloca(strlen(resolv_conf
) + 5);
288 sprintf(path
, "%s.tmp", resolv_conf
);
290 f
= fopen(path
, "w");
292 D(INTERFACE
, "Failed to open %s for writing\n", path
);
296 vlist_for_each_element(&interfaces
, iface
, node
) {
297 if (iface
->state
!= IFS_UP
)
300 if (list_empty(&iface
->proto_ip
.dns_search
) &&
301 list_empty(&iface
->proto_ip
.dns_servers
))
304 fprintf(f
, "# Interface %s\n", iface
->name
);
305 list_for_each_entry(s
, &iface
->proto_ip
.dns_servers
, list
) {
306 str
= inet_ntop(s
->af
, &s
->addr
, buf
, sizeof(buf
));
310 fprintf(f
, "nameserver %s\n", str
);
313 list_for_each_entry(d
, &iface
->proto_ip
.dns_search
, list
) {
314 fprintf(f
, "search %s\n", d
->name
);
318 if (rename(path
, resolv_conf
) < 0) {
319 D(INTERFACE
, "Failed to replace %s\n", resolv_conf
);
324 void interface_ip_set_enabled(struct interface_ip_settings
*ip
, bool enabled
)
326 struct device_addr
*addr
;
327 struct device_route
*route
;
330 ip
->enabled
= enabled
;
331 dev
= ip
->iface
->l3_dev
->dev
;
335 vlist_for_each_element(&ip
->addr
, addr
, node
) {
336 if (addr
->enabled
== enabled
)
340 system_add_address(dev
, addr
);
342 system_del_address(dev
, addr
);
343 addr
->enabled
= enabled
;
346 vlist_for_each_element(&ip
->route
, route
, node
) {
347 if (route
->enabled
== enabled
)
351 system_add_route(dev
, route
);
353 system_del_route(dev
, route
);
354 route
->enabled
= enabled
;
359 interface_ip_update_start(struct interface_ip_settings
*ip
)
361 interface_clear_dns_servers(ip
);
362 interface_clear_dns_search(ip
);
363 vlist_update(&ip
->route
);
364 vlist_update(&ip
->addr
);
368 interface_ip_update_complete(struct interface_ip_settings
*ip
)
370 vlist_flush(&ip
->route
);
371 vlist_flush(&ip
->addr
);
375 interface_ip_flush(struct interface_ip_settings
*ip
)
377 interface_clear_dns_servers(ip
);
378 interface_clear_dns_search(ip
);
379 vlist_flush_all(&ip
->route
);
380 vlist_flush_all(&ip
->addr
);
384 interface_ip_init(struct interface_ip_settings
*ip
, struct interface
*iface
)
388 INIT_LIST_HEAD(&ip
->dns_search
);
389 INIT_LIST_HEAD(&ip
->dns_servers
);
390 vlist_init(&ip
->route
, route_cmp
, interface_update_proto_route
,
391 struct device_route
, node
, mask
);
392 vlist_init(&ip
->addr
, addr_cmp
, interface_update_proto_addr
,
393 struct device_addr
, node
, mask
);