f8b0143d7fa8a5f8efa31a89da26f8769f7dadfc
2 * firewall3 - 3rd OpenWrt UCI firewall implementation
4 * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 static struct blob_attr
*interfaces
= NULL
;
24 static void dump_cb(struct ubus_request
*req
, int type
, struct blob_attr
*msg
)
26 struct blob_attr
*cur
;
27 unsigned rem
= blob_len(msg
);
28 __blob_for_each_attr(cur
, blob_data(msg
), rem
)
29 if (!strcmp(blobmsg_name(cur
), "interface"))
30 interfaces
= blob_memdup(cur
);
34 fw3_ubus_connect(void)
38 struct ubus_context
*ctx
= ubus_connect(NULL
);
43 if (ubus_lookup_id(ctx
, "network.interface", &id
))
46 if (ubus_invoke(ctx
, id
, "dump", NULL
, dump_cb
, NULL
, 500))
58 fw3_ubus_disconnect(void)
64 static struct fw3_address
*
65 parse_subnet(enum fw3_family family
, struct blob_attr
*dict
, int rem
)
67 struct blob_attr
*cur
;
68 struct fw3_address
*addr
;
70 addr
= malloc(sizeof(*addr
));
75 memset(addr
, 0, sizeof(*addr
));
78 addr
->family
= family
;
80 __blob_for_each_attr(cur
, dict
, rem
)
82 if (!strcmp(blobmsg_name(cur
), "address"))
83 inet_pton(family
== FW3_FAMILY_V4
? AF_INET
: AF_INET6
,
84 blobmsg_data(cur
), &addr
->address
.v6
);
86 else if (!strcmp(blobmsg_name(cur
), "mask"))
87 addr
->mask
= be32_to_cpu(*(uint32_t *)blobmsg_data(cur
));
94 parse_subnets(struct list_head
*head
, enum fw3_family family
,
95 struct blob_attr
*list
, int rem
)
97 struct blob_attr
*cur
;
98 struct fw3_address
*addr
;
100 __blob_for_each_attr(cur
, list
, rem
)
102 addr
= parse_subnet(family
, blobmsg_data(cur
), blobmsg_data_len(cur
));
105 list_add_tail(&addr
->list
, head
);
110 invoke_common(const char *net
, bool device
)
112 struct fw3_device
*dev
= NULL
;
113 struct list_head
*addr
= NULL
;
114 struct blob_attr
*c
, *cur
;
119 if (!net
|| !interfaces
)
123 dev
= malloc(sizeof(*dev
));
125 addr
= malloc(sizeof(*addr
));
127 if ((device
&& !dev
) || (!device
&& !addr
))
131 memset(dev
, 0, sizeof(*dev
));
133 INIT_LIST_HEAD(addr
);
135 blobmsg_for_each_attr(c
, interfaces
, r
) {
137 blobmsg_for_each_attr(cur
, c
, rem
)
138 if (!strcmp(blobmsg_name(cur
), "interface"))
139 matched
= !strcmp(blobmsg_get_string(cur
), net
);
144 blobmsg_for_each_attr(cur
, c
, rem
) {
145 data
= blobmsg_data(cur
);
147 if (dev
&& !strcmp(blobmsg_name(cur
), "device") && !dev
->name
[0])
148 snprintf(dev
->name
, sizeof(dev
->name
), "%s", data
);
149 else if (dev
&& !strcmp(blobmsg_name(cur
), "l3_device"))
150 snprintf(dev
->name
, sizeof(dev
->name
), "%s", data
);
151 else if (!dev
&& !strcmp(blobmsg_name(cur
), "ipv4-address"))
152 parse_subnets(addr
, FW3_FAMILY_V4
,
153 blobmsg_data(cur
), blobmsg_data_len(cur
));
154 else if (!dev
&& (!strcmp(blobmsg_name(cur
), "ipv6-address") ||
155 !strcmp(blobmsg_name(cur
), "ipv6-prefix-assignment")))
156 parse_subnets(addr
, FW3_FAMILY_V6
,
157 blobmsg_data(cur
), blobmsg_data_len(cur
));
161 dev
->set
= !!dev
->name
[0];
166 if (device
&& dev
->set
)
168 else if (!device
&& !list_empty(addr
))
179 fw3_ubus_device(const char *net
)
181 return invoke_common(net
, true);
185 fw3_ubus_address(const char *net
)
187 return invoke_common(net
, false);
191 fw3_ubus_zone_devices(struct fw3_zone
*zone
)
193 struct blob_attr
*c
, *cur
, *dcur
;
194 unsigned r
, rem
, drem
;
198 blobmsg_for_each_attr(c
, interfaces
, r
) {
202 blobmsg_for_each_attr(cur
, c
, rem
) {
203 if (!strcmp(blobmsg_name(cur
), "interface"))
204 name
= blobmsg_get_string(cur
);
205 else if (!strcmp(blobmsg_name(cur
), "data"))
206 blobmsg_for_each_attr(dcur
, cur
, drem
)
207 if (!strcmp(blobmsg_name(dcur
), "zone"))
208 matches
= !strcmp(blobmsg_get_string(dcur
), zone
->name
);
212 fw3_parse_device(&zone
->networks
, name
, true);