3 #include <libubox/uloop.h>
11 static struct ubus_context
*ubus
= NULL
;
12 static struct ubus_subscriber netifd
;
13 static struct blob_buf b
;
14 static struct blob_attr
*dump
= NULL
;
15 static uint32_t objid
= 0;
18 static int handle_dhcpv4_leases(struct ubus_context
*ctx
, _unused
struct ubus_object
*obj
,
19 struct ubus_request_data
*req
, _unused
const char *method
,
20 _unused
struct blob_attr
*msg
)
23 void *a
= blobmsg_open_table(&b
, "device");
24 time_t now
= odhcpd_time();
26 struct interface
*iface
;
27 list_for_each_entry(iface
, &interfaces
, head
) {
28 if (iface
->dhcpv4
!= RELAYD_SERVER
)
31 void *i
= blobmsg_open_table(&b
, iface
->ifname
);
32 void *j
= blobmsg_open_array(&b
, "leases");
34 struct dhcpv4_assignment
*lease
;
35 list_for_each_entry(lease
, &iface
->dhcpv4_assignments
, head
) {
36 if (lease
->valid_until
< now
)
39 void *l
= blobmsg_open_table(&b
, NULL
);
41 char *buf
= blobmsg_alloc_string_buffer(&b
, "mac", 13);
42 odhcpd_hexlify(buf
, lease
->hwaddr
, sizeof(lease
->hwaddr
));
43 blobmsg_add_string_buffer(&b
);
45 blobmsg_add_string(&b
, "hostname", lease
->hostname
);
47 buf
= blobmsg_alloc_string_buffer(&b
, "ip", INET_ADDRSTRLEN
);
48 struct in_addr addr
= {htonl(lease
->addr
)};
49 inet_ntop(AF_INET
, &addr
, buf
, INET_ADDRSTRLEN
);
50 blobmsg_add_string_buffer(&b
);
52 blobmsg_add_u32(&b
, "valid", now
- lease
->valid_until
);
54 blobmsg_close_table(&b
, l
);
57 blobmsg_close_array(&b
, j
);
58 blobmsg_close_table(&b
, i
);
61 blobmsg_close_table(&b
, a
);
62 ubus_send_reply(ctx
, req
, b
.head
);
67 static int handle_dhcpv6_leases(_unused
struct ubus_context
*ctx
, _unused
struct ubus_object
*obj
,
68 _unused
struct ubus_request_data
*req
, _unused
const char *method
,
69 _unused
struct blob_attr
*msg
)
72 void *a
= blobmsg_open_table(&b
, "device");
73 time_t now
= odhcpd_time();
75 struct interface
*iface
;
76 list_for_each_entry(iface
, &interfaces
, head
) {
77 if (iface
->dhcpv6
!= RELAYD_SERVER
)
80 void *i
= blobmsg_open_table(&b
, iface
->ifname
);
81 void *j
= blobmsg_open_array(&b
, "leases");
83 struct dhcpv6_assignment
*lease
;
84 list_for_each_entry(lease
, &iface
->ia_assignments
, head
) {
85 if (lease
->valid_until
< now
)
88 void *l
= blobmsg_open_table(&b
, NULL
);
90 char *buf
= blobmsg_alloc_string_buffer(&b
, "duid", 264);
91 odhcpd_hexlify(buf
, lease
->clid_data
, lease
->clid_len
);
92 blobmsg_add_string_buffer(&b
);
94 blobmsg_add_u32(&b
, "iaid", ntohl(lease
->iaid
));
95 blobmsg_add_string(&b
, "hostname", (lease
->hostname
) ? lease
->hostname
: "");
96 blobmsg_add_u32(&b
, "assigned", lease
->assigned
);
97 blobmsg_add_u32(&b
, "length", lease
->length
);
99 void *m
= blobmsg_open_array(&b
, "ipv6");
100 struct in6_addr addr
;
101 for (size_t i
= 0; i
< iface
->ia_addr_len
; ++i
) {
102 if (iface
->ia_addr
[i
].prefix
> 64)
105 addr
= iface
->ia_addr
[i
].addr
;
106 if (lease
->length
== 128)
107 addr
.s6_addr32
[3] = htonl(lease
->assigned
);
109 addr
.s6_addr32
[1] |= htonl(lease
->assigned
);
111 char *c
= blobmsg_alloc_string_buffer(&b
, NULL
, INET6_ADDRSTRLEN
);
112 inet_ntop(AF_INET6
, &addr
, c
, INET6_ADDRSTRLEN
);
113 blobmsg_add_string_buffer(&b
);
115 blobmsg_close_table(&b
, m
);
117 blobmsg_add_u32(&b
, "valid", now
- lease
->valid_until
);
119 blobmsg_close_table(&b
, l
);
122 blobmsg_close_array(&b
, j
);
123 blobmsg_close_table(&b
, i
);
126 blobmsg_close_table(&b
, a
);
127 ubus_send_reply(ctx
, req
, b
.head
);
132 static struct ubus_method main_object_methods
[] = {
133 {.name
= "ipv4leases", .handler
= handle_dhcpv4_leases
},
134 {.name
= "ipv6leases", .handler
= handle_dhcpv6_leases
},
137 static struct ubus_object_type main_object_type
=
138 UBUS_OBJECT_TYPE("dhcp", main_object_methods
);
140 static struct ubus_object main_object
= {
142 .type
= &main_object_type
,
143 .methods
= main_object_methods
,
144 .n_methods
= ARRAY_SIZE(main_object_methods
),
153 static const struct blobmsg_policy dump_attrs
[DUMP_ATTR_MAX
] = {
154 [DUMP_ATTR_INTERFACE
] = { .name
= "interface", .type
= BLOBMSG_TYPE_ARRAY
},
159 IFACE_ATTR_INTERFACE
,
168 static const struct blobmsg_policy iface_attrs
[IFACE_ATTR_MAX
] = {
169 [IFACE_ATTR_INTERFACE
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
170 [IFACE_ATTR_IFNAME
] = { .name
= "l3_device", .type
= BLOBMSG_TYPE_STRING
},
171 [IFACE_ATTR_UP
] = { .name
= "up", .type
= BLOBMSG_TYPE_BOOL
},
172 [IFACE_ATTR_DATA
] = { .name
= "data", .type
= BLOBMSG_TYPE_TABLE
},
173 [IFACE_ATTR_PREFIX
] = { .name
= "ipv6-prefix", .type
= BLOBMSG_TYPE_ARRAY
},
174 [IFACE_ATTR_ADDRESS
] = { .name
= "ipv6-address", .type
= BLOBMSG_TYPE_ARRAY
},
177 static void handle_dump(_unused
struct ubus_request
*req
, _unused
int type
, struct blob_attr
*msg
)
179 struct blob_attr
*tb
[DUMP_ATTR_INTERFACE
];
180 blobmsg_parse(dump_attrs
, DUMP_ATTR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
182 if (!tb
[DUMP_ATTR_INTERFACE
])
186 dump
= blob_memdup(tb
[DUMP_ATTR_INTERFACE
]);
191 static int handle_update(_unused
struct ubus_context
*ctx
, _unused
struct ubus_object
*obj
,
192 _unused
struct ubus_request_data
*req
, _unused
const char *method
,
193 struct blob_attr
*msg
)
195 struct blob_attr
*tb
[IFACE_ATTR_MAX
];
196 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
198 const char *interface
= (tb
[IFACE_ATTR_INTERFACE
]) ?
199 blobmsg_get_string(tb
[IFACE_ATTR_INTERFACE
]) : "";
200 const char *ifname
= (tb
[IFACE_ATTR_IFNAME
]) ?
201 blobmsg_get_string(tb
[IFACE_ATTR_IFNAME
]) : "";
203 struct interface
*c
, *iface
= NULL
;
204 list_for_each_entry(c
, &interfaces
, head
)
205 if (!strcmp(interface
, c
->name
) || !strcmp(ifname
, c
->ifname
))
208 if (iface
&& iface
->ignore
)
211 ubus_invoke(ubus
, objid
, "dump", NULL
, handle_dump
, NULL
, 0);
216 static void subscribe_netifd(void)
218 ubus_subscribe(ubus
, &netifd
, objid
);
219 ubus_invoke(ubus
, objid
, "dump", NULL
, handle_dump
, NULL
, 0);
223 void ubus_apply_network(void)
231 blobmsg_for_each_attr(c
, dump
, rem
) {
232 struct blob_attr
*tb
[IFACE_ATTR_MAX
];
233 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, blobmsg_data(c
), blobmsg_data_len(c
));
235 if (!tb
[IFACE_ATTR_INTERFACE
] || !tb
[IFACE_ATTR_DATA
])
238 const char *interface
= (tb
[IFACE_ATTR_INTERFACE
]) ?
239 blobmsg_get_string(tb
[IFACE_ATTR_INTERFACE
]) : "";
240 const char *ifname
= (tb
[IFACE_ATTR_IFNAME
]) ?
241 blobmsg_get_string(tb
[IFACE_ATTR_IFNAME
]) : "";
243 bool matched
= false;
245 list_for_each_entry(c
, &interfaces
, head
) {
246 char *f
= memmem(c
->upstream
, c
->upstream_len
,
247 interface
, strlen(interface
) + 1);
248 bool cmatched
= !strcmp(interface
, c
->name
) || !strcmp(ifname
, c
->ifname
);
251 if (!cmatched
&& (!c
->upstream_len
|| !f
|| (f
!= c
->upstream
&& f
[-1] != 0)))
255 config_parse_interface(blobmsg_data(tb
[IFACE_ATTR_DATA
]),
256 blobmsg_data_len(tb
[IFACE_ATTR_DATA
]), c
->name
, false);
260 config_parse_interface(blobmsg_data(tb
[IFACE_ATTR_DATA
]),
261 blobmsg_data_len(tb
[IFACE_ATTR_DATA
]), interface
, false);
272 static const struct blobmsg_policy obj_attrs
[OBJ_ATTR_MAX
] = {
273 [OBJ_ATTR_ID
] = { .name
= "id", .type
= BLOBMSG_TYPE_INT32
},
274 [OBJ_ATTR_PATH
] = { .name
= "path", .type
= BLOBMSG_TYPE_STRING
},
278 static void handle_event(_unused
struct ubus_context
*ctx
, _unused
struct ubus_event_handler
*ev
,
279 _unused
const char *type
, struct blob_attr
*msg
)
281 struct blob_attr
*tb
[OBJ_ATTR_MAX
];
282 blobmsg_parse(obj_attrs
, OBJ_ATTR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
284 if (!tb
[OBJ_ATTR_ID
] || !tb
[OBJ_ATTR_PATH
])
287 if (strcmp(blobmsg_get_string(tb
[OBJ_ATTR_PATH
]), "network.interface"))
290 objid
= blobmsg_get_u32(tb
[OBJ_ATTR_ID
]);
294 static struct ubus_event_handler event_handler
= { .cb
= handle_event
};
297 const char* ubus_get_ifname(const char *name
)
305 blobmsg_for_each_attr(c
, dump
, rem
) {
306 struct blob_attr
*tb
[IFACE_ATTR_MAX
];
307 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, blobmsg_data(c
), blobmsg_data_len(c
));
309 if (!tb
[IFACE_ATTR_INTERFACE
] || strcmp(name
,
310 blobmsg_get_string(tb
[IFACE_ATTR_INTERFACE
])))
313 if (tb
[IFACE_ATTR_IFNAME
])
314 return blobmsg_get_string(tb
[IFACE_ATTR_IFNAME
]);
321 bool ubus_has_prefix(const char *name
, const char *ifname
)
323 struct blob_attr
*c
, *cur
;
329 blobmsg_for_each_attr(c
, dump
, rem
) {
330 struct blob_attr
*tb
[IFACE_ATTR_MAX
];
331 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, blobmsg_data(c
), blobmsg_data_len(c
));
333 if (!tb
[IFACE_ATTR_INTERFACE
] || !tb
[IFACE_ATTR_IFNAME
])
336 if (strcmp(name
, blobmsg_get_string(tb
[IFACE_ATTR_INTERFACE
])) ||
337 strcmp(ifname
, blobmsg_get_string(tb
[IFACE_ATTR_IFNAME
])))
340 if ((cur
= tb
[IFACE_ATTR_PREFIX
])) {
341 if (blobmsg_type(cur
) != BLOBMSG_TYPE_ARRAY
|| !blobmsg_check_attr(cur
, NULL
))
346 blobmsg_for_each_attr(d
, cur
, drem
) {
362 static const struct blobmsg_policy addr_attrs
[ADDR_ATTR_MAX
] = {
363 [ADDR_ATTR_ADDR
] = { .name
= "address", .type
= BLOBMSG_TYPE_STRING
},
364 [ADDR_ATTR_CLASS
] = { .name
= "class", .type
= BLOBMSG_TYPE_STRING
},
367 bool ubus_get_class(const char *ifname
, const struct in6_addr
*addr
, uint16_t *pclass
)
369 struct blob_attr
*c
, *cur
;
375 blobmsg_for_each_attr(c
, dump
, rem
) {
376 struct blob_attr
*tb
[IFACE_ATTR_MAX
];
377 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, blobmsg_data(c
), blobmsg_data_len(c
));
379 if (!tb
[IFACE_ATTR_IFNAME
])
382 if (strcmp(ifname
, blobmsg_get_string(tb
[IFACE_ATTR_IFNAME
])))
385 if ((cur
= tb
[IFACE_ATTR_ADDRESS
])) {
386 if (blobmsg_type(cur
) != BLOBMSG_TYPE_ARRAY
|| !blobmsg_check_attr(cur
, NULL
))
391 blobmsg_for_each_attr(d
, cur
, drem
) {
392 struct blob_attr
*t
[ADDR_ATTR_MAX
];
393 blobmsg_parse(addr_attrs
, ADDR_ATTR_MAX
, t
, blobmsg_data(d
), blobmsg_data_len(d
));
395 if (!t
[ADDR_ATTR_ADDR
] || !t
[ADDR_ATTR_CLASS
])
398 const char *addrs
= blobmsg_get_string(t
[ADDR_ATTR_ADDR
]);
399 const char *class = blobmsg_get_string(t
[ADDR_ATTR_CLASS
]);
401 struct in6_addr ip6addr
;
402 inet_pton(AF_INET6
, addrs
, &ip6addr
);
404 if (IN6_ARE_ADDR_EQUAL(&ip6addr
, addr
)) {
405 *pclass
= atoi(class);
420 if (!(ubus
= ubus_connect(NULL
))) {
421 syslog(LOG_ERR
, "Unable to connect to ubus: %s", strerror(errno
));
425 netifd
.cb
= handle_update
;
426 ubus_register_subscriber(ubus
, &netifd
);
428 ubus_add_uloop(ubus
);
429 ubus_add_object(ubus
, &main_object
);
430 ubus_register_event_handler(ubus
, &event_handler
, "ubus.object.add");
431 if (!ubus_lookup_id(ubus
, "network.interface", &objid
))