/*
* firewall3 - 3rd OpenWrt UCI firewall implementation
*
- * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
+ * Copyright (C) 2013 Jo-Philipp Wich <jo@mein.io>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
struct ubus_context *ctx = ubus_connect(NULL);
struct blob_buf b = { };
+ blob_buf_init(&b, 0);
+
if (!ctx)
goto out;
if (ubus_lookup_id(ctx, "network.interface", &id))
goto out;
- if (ubus_invoke(ctx, id, "dump", NULL, dump_cb, NULL, 500))
+ if (ubus_invoke(ctx, id, "dump", b.head, dump_cb, NULL, 2000))
goto out;
status = true;
if (ubus_lookup_id(ctx, "service", &id))
goto out;
- blob_buf_init(&b, 0);
blobmsg_add_string(&b, "type", "firewall");
ubus_invoke(ctx, id, "get_data", b.head, procd_data_cb, NULL, 2000);
- blob_buf_free(&b);
out:
+ blob_buf_free(&b);
+
if (ctx)
ubus_free(ctx);
+
return status;
}
{
if (!strcmp(blobmsg_name(cur), "address"))
inet_pton(family == FW3_FAMILY_V4 ? AF_INET : AF_INET6,
- blobmsg_data(cur), &addr->address.v6);
+ blobmsg_get_string(cur), &addr->address.v6);
else if (!strcmp(blobmsg_name(cur), "mask"))
- addr->mask = be32_to_cpu(*(uint32_t *)blobmsg_data(cur));
+ fw3_bitlen2netmask(family, blobmsg_get_u32(cur), &addr->mask.v6);
}
return addr;
}
-static void
+static int
parse_subnets(struct list_head *head, enum fw3_family family,
struct blob_attr *list)
{
struct blob_attr *cur;
struct fw3_address *addr;
- int rem;
+ int rem, n = 0;
if (!list)
- return;
+ return 0;
+
+ rem = blobmsg_data_len(list);
- blob_for_each_attr(cur, list, rem)
+ __blob_for_each_attr(cur, blobmsg_data(list), rem)
{
addr = parse_subnet(family, blobmsg_data(cur), blobmsg_data_len(cur));
if (addr)
+ {
list_add_tail(&addr->list, head);
+ n++;
+ }
}
+
+ return n;
}
struct fw3_device *
struct fw3_device *dev = NULL;
struct blob_attr *tb[__DEV_MAX];
struct blob_attr *cur;
+ char *name = NULL;
int rem;
if (!net || !interfaces)
return NULL;
- dev = calloc(1, sizeof(*dev));
- if (!dev)
- return NULL;
-
blobmsg_for_each_attr(cur, interfaces, rem) {
- char *name;
-
blobmsg_parse(policy, __DEV_MAX, tb, blobmsg_data(cur), blobmsg_len(cur));
if (!tb[DEV_INTERFACE] ||
strcmp(blobmsg_data(tb[DEV_INTERFACE]), net) != 0)
else
continue;
- snprintf(dev->name, sizeof(dev->name), "%s", name);
- dev->set = !!dev->name[0];
- return dev;
+ break;
}
- return NULL;
+ if (!name)
+ return NULL;
+
+ dev = calloc(1, sizeof(*dev));
+
+ if (!dev)
+ return NULL;
+
+ snprintf(dev->name, sizeof(dev->name), "%s", name);
+ dev->set = true;
+
+ return dev;
}
-void
+int
fw3_ubus_address(struct list_head *list, const char *net)
{
enum {
};
struct blob_attr *tb[__ADDR_MAX];
struct blob_attr *cur;
- int rem;
+ int rem, n = 0;
if (!net || !interfaces)
- return;
+ return 0;
blobmsg_for_each_attr(cur, interfaces, rem) {
blobmsg_parse(policy, __ADDR_MAX, tb, blobmsg_data(cur), blobmsg_len(cur));
strcmp(blobmsg_data(tb[ADDR_INTERFACE]), net) != 0)
continue;
- parse_subnets(list, FW3_FAMILY_V4, tb[ADDR_IPV4]);
- parse_subnets(list, FW3_FAMILY_V6, tb[ADDR_IPV6]);
- parse_subnets(list, FW3_FAMILY_V6, tb[ADDR_IPV6_PREFIX]);
+ n += parse_subnets(list, FW3_FAMILY_V4, tb[ADDR_IPV4]);
+ n += parse_subnets(list, FW3_FAMILY_V6, tb[ADDR_IPV6]);
+ n += parse_subnets(list, FW3_FAMILY_V6, tb[ADDR_IPV6_PREFIX]);
}
+
+ return n;
}
void
}
}
+static void fw3_ubus_rules_add(struct blob_buf *b, const char *service,
+ const char *instance, const char *device,
+ const struct blob_attr *rule, unsigned n)
+{
+ void *k = blobmsg_open_table(b, "");
+ struct blob_attr *ropt;
+ unsigned orem;
+ char *type = NULL, *name = NULL;
+ char comment[256];
+
+ blobmsg_for_each_attr(ropt, rule, orem) {
+ if (!strcmp(blobmsg_name(ropt), "type"))
+ type = blobmsg_data(ropt);
+ else if (!strcmp(blobmsg_name(ropt), "name"))
+ name = blobmsg_data(ropt);
+
+ if (device && !strcmp(blobmsg_name(ropt), "device"))
+ device = blobmsg_get_string(ropt);
+ else if (strcmp(blobmsg_name(ropt), "name"))
+ blobmsg_add_blob(b, ropt);
+ }
+
+ if (!type || strcmp(type, "ipset")) {
+ if (instance)
+ snprintf(comment, sizeof(comment), "ubus:%s[%s] %s %d",
+ service, instance, type ? type : "rule", n);
+ else
+ snprintf(comment, sizeof(comment), "ubus:%s %s %d",
+ service, type ? type : "rule", n);
+
+ blobmsg_add_string(b, "name", comment);
+ }
+ else if (name) {
+ blobmsg_add_string(b, "name", name);
+ }
+
+ if (device)
+ blobmsg_add_string(b, "device", device);
+
+ blobmsg_close_table(b, k);
+}
+
void
fw3_ubus_rules(struct blob_buf *b)
{
blob_buf_init(b, 0);
- struct blob_attr *c, *cur, *dcur, *rule, *ropt;
- unsigned r, rem, drem, rrem, orem;
+ struct blob_attr *c, *cur, *dcur, *rule;
+ unsigned n, r, rem, drem, rrem;
blobmsg_for_each_attr(c, interfaces, r) {
const char *l3_device = NULL;
+ const char *iface_proto = "unknown";
+ const char *iface_name = "unknown";
struct blob_attr *data = NULL;
blobmsg_for_each_attr(cur, c, rem) {
if (!strcmp(blobmsg_name(cur), "l3_device"))
l3_device = blobmsg_get_string(cur);
+ else if (!strcmp(blobmsg_name(cur), "interface"))
+ iface_name = blobmsg_get_string(cur);
+ else if (!strcmp(blobmsg_name(cur), "proto"))
+ iface_proto = blobmsg_get_string(cur);
else if (!strcmp(blobmsg_name(cur), "data"))
data = cur;
}
if (strcmp(blobmsg_name(dcur), "firewall"))
continue;
- blobmsg_for_each_attr(rule, dcur, rrem) {
- void *k = blobmsg_open_table(b, "");
-
- blobmsg_for_each_attr(ropt, rule, orem)
- if (strcmp(blobmsg_name(ropt), "device"))
- blobmsg_add_blob(b, ropt);
+ n = 0;
- blobmsg_add_string(b, "device", l3_device);
- blobmsg_close_table(b, k);
- }
+ blobmsg_for_each_attr(rule, dcur, rrem)
+ fw3_ubus_rules_add(b, iface_name, iface_proto,
+ l3_device, rule, n++);
}
}
if (!blobmsg_check_attr(cur, true))
continue;
+ /* fw rules within the service itself */
+ if (!strcmp(blobmsg_name(cur), "firewall")) {
+ n = 0;
+
+ blobmsg_for_each_attr(rule, cur, rrem)
+ fw3_ubus_rules_add(b, blobmsg_name(c),
+ NULL, NULL, rule, n++);
+
+ continue;
+ }
+
/* type */
blobmsg_for_each_attr(dcur, cur, drem) {
if (!blobmsg_check_attr(dcur, true))
continue;
+ if (strcmp(blobmsg_name(dcur), "firewall"))
+ continue;
+
+ n = 0;
+
blobmsg_for_each_attr(rule, dcur, rrem)
- blobmsg_add_blob(b, rule);
+ fw3_ubus_rules_add(b, blobmsg_name(c),
+ blobmsg_name(cur), NULL, rule, n++);
}
}
}