X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffirewall3.git;a=blobdiff_plain;f=ubus.c;h=e5326f9b7268cfa9f1f4ebd0808d4eee4ff84b52;hp=d5f52b9287f4ac71b049e675c91805b42d9d5da7;hb=bd40ba4584141ce34f3d5c42841abafccad06bdd;hpb=fad5b8a021c1cf9c9185bbbc1d16f54aaf867fff

diff --git a/ubus.c b/ubus.c
index d5f52b9..e5326f9 100644
--- a/ubus.c
+++ b/ubus.c
@@ -1,7 +1,7 @@
 /*
  * 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
@@ -18,24 +18,63 @@
 
 #include "ubus.h"
 
+static struct blob_attr *interfaces = NULL;
+static struct blob_attr *procd_data;
 
-static struct ubus_context *ctx = NULL;
+
+static void dump_cb(struct ubus_request *req, int type, struct blob_attr *msg)
+{
+	static const struct blobmsg_policy policy = { "interface", BLOBMSG_TYPE_ARRAY };
+	struct blob_attr *cur;
+
+	blobmsg_parse(&policy, 1, &cur, blob_data(msg), blob_len(msg));
+	if (cur)
+		interfaces = blob_memdup(cur);
+}
+
+static void procd_data_cb(struct ubus_request *req, int type, struct blob_attr *msg)
+{
+	procd_data = blob_memdup(msg);
+}
 
 bool
 fw3_ubus_connect(void)
 {
-	ctx = ubus_connect(NULL);
-	return !!ctx;
+	bool status = false;
+	uint32_t id;
+	struct ubus_context *ctx = ubus_connect(NULL);
+	struct blob_buf b = { };
+
+	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))
+		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:
+	if (ctx)
+		ubus_free(ctx);
+	return status;
 }
 
 void
 fw3_ubus_disconnect(void)
 {
-	if (!ctx)
-		return;
-
-	ubus_free(ctx);
-	ctx = NULL;
+	free(interfaces);
+	interfaces = NULL;
 }
 
 static struct fw3_address *
@@ -44,13 +83,10 @@ parse_subnet(enum fw3_family family, struct blob_attr *dict, int rem)
 	struct blob_attr *cur;
 	struct fw3_address *addr;
 
-	addr = malloc(sizeof(*addr));
-
+	addr = calloc(1, sizeof(*addr));
 	if (!addr)
 		return NULL;
 
-	memset(addr, 0, sizeof(*addr));
-
 	addr->set = true;
 	addr->family = family;
 
@@ -58,10 +94,10 @@ parse_subnet(enum fw3_family family, struct blob_attr *dict, int rem)
 	{
 		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;
@@ -69,12 +105,18 @@ parse_subnet(enum fw3_family family, struct blob_attr *dict, int rem)
 
 static void
 parse_subnets(struct list_head *head, enum fw3_family family,
-              struct blob_attr *list, int rem)
+              struct blob_attr *list)
 {
 	struct blob_attr *cur;
 	struct fw3_address *addr;
+	int rem;
+
+	if (!list)
+		return;
+
+	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));
 
@@ -83,102 +125,210 @@ parse_subnets(struct list_head *head, enum fw3_family family,
 	}
 }
 
-struct dev_addr
-{
-	struct fw3_device *dev;
-	struct list_head *addr;
-};
-
-static void
-invoke_cb(struct ubus_request *req, int type, struct blob_attr *msg)
+struct fw3_device *
+fw3_ubus_device(const char *net)
 {
-	int rem;
-	char *data;
+	enum {
+		DEV_INTERFACE,
+		DEV_DEVICE,
+		DEV_L3_DEVICE,
+		__DEV_MAX
+	};
+	static const struct blobmsg_policy policy[__DEV_MAX] = {
+		[DEV_INTERFACE] = { "interface", BLOBMSG_TYPE_STRING },
+		[DEV_DEVICE] = { "device", BLOBMSG_TYPE_STRING },
+		[DEV_L3_DEVICE] = { "l3_device", BLOBMSG_TYPE_STRING },
+	};
+	struct fw3_device *dev = NULL;
+	struct blob_attr *tb[__DEV_MAX];
 	struct blob_attr *cur;
-	struct dev_addr *da = (struct dev_addr *)req->priv;
-	struct fw3_device *dev = da->dev;
+	char *name = NULL;
+	int rem;
 
-	if (!msg)
-		return;
+	if (!net || !interfaces)
+		return NULL;
 
-	rem = blob_len(msg);
-	__blob_for_each_attr(cur, blob_data(msg), rem)
-	{
-		data = blobmsg_data(cur);
-
-		if (dev && !strcmp(blobmsg_name(cur), "device") && !dev->name[0])
-			snprintf(dev->name, sizeof(dev->name), "%s", data);
-		else if (dev && !strcmp(blobmsg_name(cur), "l3_device"))
-			snprintf(dev->name, sizeof(dev->name), "%s", data);
-		else if (!dev && !strcmp(blobmsg_name(cur), "ipv4-address"))
-			parse_subnets(da->addr, FW3_FAMILY_V4,
-			              blobmsg_data(cur), blobmsg_data_len(cur));
-		else if (!dev && (!strcmp(blobmsg_name(cur), "ipv6-address") ||
-		                  !strcmp(blobmsg_name(cur), "ipv6-prefix-assignment")))
-			parse_subnets(da->addr, FW3_FAMILY_V6,
-			              blobmsg_data(cur), blobmsg_data_len(cur));
-	}
+	blobmsg_for_each_attr(cur, interfaces, rem) {
+		blobmsg_parse(policy, __DEV_MAX, tb, blobmsg_data(cur), blobmsg_len(cur));
+		if (!tb[DEV_INTERFACE] ||
+		    strcmp(blobmsg_data(tb[DEV_INTERFACE]), net) != 0)
+			continue;
 
-	if (dev)
-		dev->set = !!dev->name[0];
-}
+		if (tb[DEV_L3_DEVICE])
+			name = blobmsg_data(tb[DEV_L3_DEVICE]);
+		else if (tb[DEV_DEVICE])
+			name = blobmsg_data(tb[DEV_DEVICE]);
+		else
+			continue;
 
-static void *
-invoke_common(const char *net, bool dev)
-{
-	uint32_t id;
-	char path[128];
-	static struct dev_addr da;
+		break;
+	}
 
-	if (!net)
+	if (!name)
 		return NULL;
 
-	memset(&da, 0, sizeof(da));
-
-	if (dev)
-		da.dev = malloc(sizeof(*da.dev));
-	else
-		da.addr = malloc(sizeof(*da.addr));
-
-	if ((dev && !da.dev) || (!dev && !da.addr))
-		goto fail;
+	dev = calloc(1, sizeof(*dev));
 
-	if (dev)
-		memset(da.dev, 0, sizeof(*da.dev));
-	else
-		INIT_LIST_HEAD(da.addr);
+	if (!dev)
+		return NULL;
 
-	snprintf(path, sizeof(path), "network.interface.%s", net);
+	snprintf(dev->name, sizeof(dev->name), "%s", name);
+	dev->set = true;
 
-	if (ubus_lookup_id(ctx, path, &id))
-		goto fail;
+	return dev;
+}
 
-	if (ubus_invoke(ctx, id, "status", NULL, invoke_cb, &da, 500))
-		goto fail;
+void
+fw3_ubus_address(struct list_head *list, const char *net)
+{
+	enum {
+		ADDR_INTERFACE,
+		ADDR_IPV4,
+		ADDR_IPV6,
+		ADDR_IPV6_PREFIX,
+		__ADDR_MAX
+	};
+	static const struct blobmsg_policy policy[__ADDR_MAX] = {
+		[ADDR_INTERFACE] = { "interface", BLOBMSG_TYPE_STRING },
+		[ADDR_IPV4] = { "ipv4-address", BLOBMSG_TYPE_ARRAY },
+		[ADDR_IPV6] = { "ipv6-address", BLOBMSG_TYPE_ARRAY },
+		[ADDR_IPV6_PREFIX] = { "ipv6-prefix-assignment", BLOBMSG_TYPE_ARRAY },
+	};
+	struct blob_attr *tb[__ADDR_MAX];
+	struct blob_attr *cur;
+	int rem;
 
-	if (dev && da.dev->set)
-		return da.dev;
-	else if (!dev && !list_empty(da.addr))
-		return da.addr;
+	if (!net || !interfaces)
+		return;
 
-fail:
-	if (da.dev)
-		free(da.dev);
+	blobmsg_for_each_attr(cur, interfaces, rem) {
+		blobmsg_parse(policy, __ADDR_MAX, tb, blobmsg_data(cur), blobmsg_len(cur));
 
-	if (da.addr)
-		free(da.addr);
+		if (!tb[ADDR_INTERFACE] ||
+		    strcmp(blobmsg_data(tb[ADDR_INTERFACE]), net) != 0)
+			continue;
 
-	return NULL;
+		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]);
+	}
 }
 
-struct fw3_device *
-fw3_ubus_device(const char *net)
+void
+fw3_ubus_zone_devices(struct fw3_zone *zone)
 {
-	return invoke_common(net, true);
+	struct blob_attr *c, *cur, *dcur;
+	unsigned r, rem, drem;
+	const char *name;
+	bool matches;
+
+	blobmsg_for_each_attr(c, interfaces, r) {
+		name = NULL;
+		matches = false;
+
+		blobmsg_for_each_attr(cur, c, rem) {
+			if (!strcmp(blobmsg_name(cur), "interface"))
+				name = blobmsg_get_string(cur);
+			else if (!strcmp(blobmsg_name(cur), "data"))
+				blobmsg_for_each_attr(dcur, cur, drem)
+					if (!strcmp(blobmsg_name(dcur), "zone"))
+						matches = !strcmp(blobmsg_get_string(dcur), zone->name);
+		}
+
+		if (name && matches)
+			fw3_parse_device(&zone->networks, name, true);
+	}
 }
 
-struct list_head *
-fw3_ubus_address(const char *net)
+void
+fw3_ubus_rules(struct blob_buf *b)
 {
-	return invoke_common(net, false);
+	blob_buf_init(b, 0);
+
+	struct blob_attr *c, *cur, *dcur, *rule, *ropt;
+	unsigned n, r, rem, drem, rrem, orem;
+	char comment[256];
+
+	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_proto = blobmsg_get_string(cur);
+			else if (!strcmp(blobmsg_name(cur), "proto"))
+				iface_name = blobmsg_get_string(cur);
+			else if (!strcmp(blobmsg_name(cur), "data"))
+				data = cur;
+		}
+
+		if (!data || !l3_device)
+			continue;
+
+		blobmsg_for_each_attr(dcur, data, drem) {
+			if (strcmp(blobmsg_name(dcur), "firewall"))
+				continue;
+
+			n = 0;
+
+			blobmsg_for_each_attr(rule, dcur, rrem) {
+				void *k = blobmsg_open_table(b, "");
+
+				snprintf(comment, sizeof(comment), "ubus:%s[%s] rule %d",
+				         iface_name, iface_proto, n++);
+
+				blobmsg_for_each_attr(ropt, rule, orem) {
+					if (!strcmp(blobmsg_name(ropt), "device"))
+						l3_device = blobmsg_get_string(ropt);
+					else if (strcmp(blobmsg_name(ropt), "name"))
+						blobmsg_add_blob(b, ropt);
+				}
+
+				blobmsg_add_string(b, "name", comment);
+				blobmsg_add_string(b, "device", l3_device);
+				blobmsg_close_table(b, k);
+			}
+		}
+	}
+
+	if (!procd_data)
+		return;
+
+	/* service */
+	blobmsg_for_each_attr(c, procd_data, r) {
+		if (!blobmsg_check_attr(c, true))
+			continue;
+
+		/* instance */
+		blobmsg_for_each_attr(cur, c, rem) {
+			if (!blobmsg_check_attr(cur, true))
+				continue;
+
+			/* type */
+			blobmsg_for_each_attr(dcur, cur, drem) {
+				if (!blobmsg_check_attr(dcur, true))
+					continue;
+
+				n = 0;
+
+				blobmsg_for_each_attr(rule, dcur, rrem) {
+					void *k = blobmsg_open_table(b, "");
+
+					snprintf(comment, sizeof(comment), "ubus:%s[%s] rule %d",
+					         blobmsg_name(c), blobmsg_name(cur), n++);
+
+					blobmsg_for_each_attr(ropt, rule, orem)
+						if (strcmp(blobmsg_name(ropt), "name"))
+							blobmsg_add_blob(b, ropt);
+
+					blobmsg_add_string(b, "name", comment);
+					blobmsg_close_table(b, k);
+				}
+			}
+		}
+	}
 }