Add support for ip rules

7 files changed, 602 insertions, 5 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7e9a04..ca201dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ ENDIF()
 SET(SOURCES
 	main.c utils.c system.c tunnel.c
 	interface.c interface-ip.c interface-event.c
-	proto.c proto-static.c proto-shell.c
+	iprule.c proto.c proto-static.c proto-shell.c
 	config.c device.c bridge.c vlan.c alias.c
 	ubus.c)
 
diff --git a/config.c b/config.c
index 3b44bce..f3e5f9d 100644
--- a/config.c
+++ b/config.c
@@ -20,6 +20,7 @@
 #include "netifd.h"
 #include "interface.h"
 #include "interface-ip.h"
+#include "iprule.h"
 #include "proto.h"
 #include "config.h"
 
@@ -246,6 +247,18 @@ config_parse_route(struct uci_section *s, bool v6)
 }
 
 static void
+config_parse_rule(struct uci_section *s, bool v6)
+{
+	void *rule;
+
+	blob_buf_init(&b, 0);
+	rule = blobmsg_open_array(&b, "rule");
+	uci_to_blob(&b, s, &rule_attr_list);
+	blobmsg_close_array(&b, rule);
+	iprule_add(blob_data(b.head), v6);
+}
+
+static void
 config_init_devices(void)
 {
 	struct uci_element *e;
@@ -436,6 +449,25 @@ config_init_routes(void)
 }
 
 static void
+config_init_rules(void)
+{
+	struct uci_element *e;
+
+	iprule_update_start();
+
+	uci_foreach_element(&uci_network->sections, e) {
+		struct uci_section *s = uci_to_section(e);
+
+		if (!strcmp(s->type, "rule"))
+			config_parse_rule(s, false);
+		else if (!strcmp(s->type, "rule6"))
+			config_parse_rule(s, true);
+	}
+
+	iprule_update_complete();
+}
+
+static void
 config_init_globals(void)
 {
 	struct uci_section *globals = uci_lookup_section(
@@ -465,6 +497,7 @@ config_init_all(void)
 	config_init_devices();
 	config_init_interfaces();
 	config_init_routes();
+	config_init_rules();
 	config_init_globals();
 
 	config_init = false;
diff --git a/iprule.c b/iprule.c
new file mode 100644
index 0000000..7172f29
--- /dev/null
+++ b/iprule.c
@@ -0,0 +1,255 @@
+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+
+#include "netifd.h"
+#include "device.h"
+#include "interface.h"
+#include "iprule.h"
+#include "proto.h"
+#include "ubus.h"
+#include "system.h"
+
+struct vlist_tree iprules;
+static bool iprules_flushed = false;
+
+enum {
+	RULE_INTERFACE_IN,
+	RULE_INTERFACE_OUT,
+	RULE_INVERT,
+	RULE_SRC,
+	RULE_DEST,
+	RULE_PRIORITY,
+	RULE_TOS,
+	RULE_FWMARK,
+	RULE_LOOKUP,
+	RULE_ACTION,
+	RULE_GOTO,
+	__RULE_MAX
+};
+
+static const struct blobmsg_policy rule_attr[__RULE_MAX] = {
+	[RULE_INTERFACE_IN] = { .name = "in", .type = BLOBMSG_TYPE_STRING },
+	[RULE_INTERFACE_OUT] = { .name = "out", .type = BLOBMSG_TYPE_STRING },
+	[RULE_INVERT] = { .name = "invert", .type = BLOBMSG_TYPE_BOOL },
+	[RULE_SRC] = { .name = "src", .type = BLOBMSG_TYPE_STRING },
+	[RULE_DEST] = { .name = "dest", .type = BLOBMSG_TYPE_STRING },
+	[RULE_PRIORITY] = { .name = "priority", .type = BLOBMSG_TYPE_INT32 },
+	[RULE_TOS] = { .name = "tos", .type = BLOBMSG_TYPE_INT32 },
+	[RULE_FWMARK] = { .name = "mark", .type = BLOBMSG_TYPE_STRING },
+	[RULE_LOOKUP] = { .name = "lookup", .type = BLOBMSG_TYPE_STRING },
+	[RULE_ACTION] = { .name = "action", .type = BLOBMSG_TYPE_STRING },
+	[RULE_GOTO]   = { .name = "goto", .type = BLOBMSG_TYPE_INT32 },
+};
+
+const struct config_param_list rule_attr_list = {
+	.n_params = __RULE_MAX,
+	.params = rule_attr,
+};
+
+
+static bool
+iprule_parse_mark(const char *mark, struct iprule *rule)
+{
+	char *s, *e;
+	unsigned int n;
+
+	if ((s = strchr(mark, '/')) != NULL)
+		*s++ = 0;
+
+	n = strtoul(mark, &e, 0);
+
+	if (e == mark || *e)
+		return false;
+
+	rule->fwmark = n;
+	rule->flags |= IPRULE_FWMARK;
+
+	if (s) {
+		n = strtoul(s, &e, 0);
+
+		if (e == s || *e)
+			return false;
+
+		rule->fwmask = n;
+		rule->flags |= IPRULE_FWMASK;
+	}
+
+	return true;
+}
+
+void
+iprule_add(struct blob_attr *attr, bool v6)
+{
+	struct interface *iif = NULL, *oif = NULL;
+	struct blob_attr *tb[__RULE_MAX], *cur;
+	struct interface *iface;
+	struct iprule *rule;
+	int af = v6 ? AF_INET6 : AF_INET;
+
+	blobmsg_parse(rule_attr, __RULE_MAX, tb, blobmsg_data(attr), blobmsg_data_len(attr));
+
+	rule = calloc(1, sizeof(*rule));
+	if (!rule)
+		return;
+
+	rule->flags = v6 ? IPRULE_INET6 : IPRULE_INET4;
+
+	if ((cur = tb[RULE_INVERT]) != NULL)
+		rule->invert = blobmsg_get_bool(cur);
+
+	if ((cur = tb[RULE_INTERFACE_IN]) != NULL) {
+		iif = vlist_find(&interfaces, blobmsg_data(cur), iface, node);
+
+		if (!iif || !iif->l3_dev.dev) {
+			DPRINTF("Failed to resolve device of network: %s\n", (char *) blobmsg_data(cur));
+			goto error;
+		}
+
+		memcpy(rule->in_dev, iif->l3_dev.dev->ifname, sizeof(rule->in_dev));
+		rule->flags |= IPRULE_IN;
+	}
+
+	if ((cur = tb[RULE_INTERFACE_OUT]) != NULL) {
+		oif = vlist_find(&interfaces, blobmsg_data(cur), iface, node);
+
+		if (!oif || !oif->l3_dev.dev) {
+			DPRINTF("Failed to resolve device of network: %s\n", (char *) blobmsg_data(cur));
+			goto error;
+		}
+
+		memcpy(rule->out_dev, oif->l3_dev.dev->ifname, sizeof(rule->out_dev));
+		rule->flags |= IPRULE_OUT;
+	}
+
+	if ((cur = tb[RULE_SRC]) != NULL) {
+		if (!parse_ip_and_netmask(af, blobmsg_data(cur), &rule->src_addr, &rule->src_mask)) {
+			DPRINTF("Failed to parse rule source: %s\n", (char *) blobmsg_data(cur));
+			goto error;
+		}
+		rule->flags |= IPRULE_SRC;
+	}
+
+	if ((cur = tb[RULE_DEST]) != NULL) {
+		if (!parse_ip_and_netmask(af, blobmsg_data(cur), &rule->dest_addr, &rule->dest_mask)) {
+			DPRINTF("Failed to parse rule destination: %s\n", (char *) blobmsg_data(cur));
+			goto error;
+		}
+		rule->flags |= IPRULE_DEST;
+	}
+
+	if ((cur = tb[RULE_PRIORITY]) != NULL) {
+		rule->priority = blobmsg_get_u32(cur);
+		rule->flags |= IPRULE_PRIORITY;
+	}
+
+	if ((cur = tb[RULE_TOS]) != NULL) {
+		if ((rule->tos = blobmsg_get_u32(cur)) > 255) {
+			DPRINTF("Invalid TOS value: %u\n", blobmsg_get_u32(cur));
+			goto error;
+		}
+		rule->flags |= IPRULE_TOS;
+	}
+
+	if ((cur = tb[RULE_FWMARK]) != NULL) {
+		if (!iprule_parse_mark(blobmsg_data(cur), rule)) {
+			DPRINTF("Failed to parse rule fwmark: %s\n", (char *) blobmsg_data(cur));
+			goto error;
+		}
+		/* flags set by iprule_parse_mark() */
+	}
+
+	if ((cur = tb[RULE_LOOKUP]) != NULL) {
+		if (!system_resolve_rt_table(blobmsg_data(cur), &rule->lookup)) {
+			DPRINTF("Failed to parse rule lookup table: %s\n", (char *) blobmsg_data(cur));
+			goto error;
+		}
+		rule->flags |= IPRULE_LOOKUP;
+	}
+
+	if ((cur = tb[RULE_ACTION]) != NULL) {
+		if (!system_resolve_iprule_action(blobmsg_data(cur), &rule->action)) {
+			DPRINTF("Failed to parse rule action: %s\n", (char *) blobmsg_data(cur));
+			goto error;
+		}
+		rule->flags |= IPRULE_ACTION;
+	}
+
+	if ((cur = tb[RULE_GOTO]) != NULL) {
+		rule->gotoid = blobmsg_get_u32(cur);
+		rule->flags |= IPRULE_GOTO;
+	}
+
+	/* trigger flush of existing rules when adding first uci rule the first time */
+	if (!iprules_flushed)
+	{
+		system_flush_iprules();
+		iprules_flushed = true;
+	}
+
+	vlist_add(&iprules, &rule->node, &rule->flags);
+	return;
+
+error:
+	free(rule);
+}
+
+void
+iprule_update_start(void)
+{
+	vlist_update(&iprules);
+}
+
+void
+iprule_update_complete(void)
+{
+	vlist_flush(&iprules);
+}
+
+
+static int
+rule_cmp(const void *k1, const void *k2, void *ptr)
+{
+	return memcmp(k1, k2, sizeof(struct iprule)-offsetof(struct iprule, flags));
+}
+
+static void
+iprule_update_rule(struct vlist_tree *tree,
+                   struct vlist_node *node_new, struct vlist_node *node_old)
+{
+	struct iprule *rule_old, *rule_new;
+
+	rule_old = container_of(node_old, struct iprule, node);
+	rule_new = container_of(node_new, struct iprule, node);
+
+	if (node_old) {
+		system_del_iprule(rule_old);
+		free(rule_old);
+	}
+
+	if (node_new)
+		system_add_iprule(rule_new);
+}
+
+static void __init
+iprule_init_list(void)
+{
+	vlist_init(&iprules, rule_cmp, iprule_update_rule);
+}
diff --git a/iprule.h b/iprule.h
new file mode 100644
index 0000000..75c6a2b
--- /dev/null
+++ b/iprule.h
@@ -0,0 +1,95 @@
+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#ifndef __IPRULE_H
+#define __IPRULE_H
+
+#include "interface-ip.h"
+
+enum iprule_flags {
+	/* address family for rule */
+	IPRULE_INET4		= (0 << 0),
+	IPRULE_INET6		= (1 << 0),
+	IPRULE_FAMILY		= IPRULE_INET4 | IPRULE_INET6,
+
+	/* rule specifies input device */
+	IPRULE_IN			= (1 << 2),
+
+	/* rule specifies output device */
+	IPRULE_OUT			= (1 << 3),
+
+	/* rule specifies src */
+	IPRULE_SRC			= (1 << 4),
+
+	/* rule specifies dest */
+	IPRULE_DEST			= (1 << 5),
+
+	/* rule specifies priority */
+	IPRULE_PRIORITY		= (1 << 6),
+
+	/* rule specifies diffserv/tos */
+	IPRULE_TOS			= (1 << 7),
+
+	/* rule specifies fwmark */
+	IPRULE_FWMARK		= (1 << 8),
+
+	/* rule specifies fwmask */
+	IPRULE_FWMASK		= (1 << 9),
+
+	/* rule performs table lookup */
+	IPRULE_LOOKUP		= (1 << 10),
+
+	/* rule performs routing action */
+	IPRULE_ACTION		= (1 << 11),
+
+	/* rule is a goto */
+	IPRULE_GOTO			= (1 << 12),
+};
+
+struct iprule {
+	struct vlist_node node;
+
+	/* everything below is used as avl tree key */
+	enum iprule_flags flags;
+
+	bool invert;
+
+	char in_dev[IFNAMSIZ + 1];
+	char out_dev[IFNAMSIZ + 1];
+
+	unsigned int src_mask;
+	union if_addr src_addr;
+
+	unsigned int dest_mask;
+	union if_addr dest_addr;
+
+	unsigned int priority;
+	unsigned int tos;
+
+	unsigned int fwmark;
+	unsigned int fwmask;
+
+	unsigned int lookup;
+	unsigned int action;
+	unsigned int gotoid;
+};
+
+extern struct vlist_tree iprules;
+extern const struct config_param_list rule_attr_list;
+
+void iprule_add(struct blob_attr *attr, bool v6);
+void iprule_update_start(void);
+void iprule_update_complete(void);
+
+#endif
diff --git a/system-dummy.c b/system-dummy.c
index 2c15e2c..d692b79 100644
--- a/system-dummy.c
+++ b/system-dummy.c
@@ -196,6 +196,27 @@ int system_resolve_rt_table(const char *name, struct device_route *route)
 	return 0;
 }
 
+int system_add_iprule(struct iprule *rule)
+{
+	return 0;
+}
+
+int system_del_iprule(struct iprule *rule)
+{
+	return 0;
+}
+
+int system_flush_iprules(void)
+{
+	return 0;
+}
+
+bool system_resolve_iprule_action(const char *action, unsigned int *id)
+{
+	*id = 0;
+	return true;
+}
+
 time_t system_get_rtime(void)
 {
 	struct timeval tv;
diff --git a/system-linux.c b/system-linux.c
index d083580..ebab09c 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -1,6 +1,7 @@
 /*
  * netifd - network interface daemon
  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2
@@ -31,6 +32,7 @@
 #include <linux/if_bridge.h>
 #include <linux/if_tunnel.h>
 #include <linux/ethtool.h>
+#include <linux/fib_rules.h>
 
 #include <unistd.h>
 #include <string.h>
@@ -396,6 +398,11 @@ static bool check_route(struct nlmsghdr *hdr, int ifindex)
 	return *(int *)RTA_DATA(tb[RTA_OIF]) == ifindex;
 }
 
+static bool check_rule(struct nlmsghdr *hdr, int ifindex)
+{
+	return true;
+}
+
 static int cb_clear_event(struct nl_msg *msg, void *arg)
 {
 	struct clear_data *clr = arg;
@@ -418,16 +425,26 @@ static int cb_clear_event(struct nl_msg *msg, void *arg)
 
 		cb = check_route;
 		break;
+	case RTM_GETRULE:
+		type = RTM_DELRULE;
+		if (hdr->nlmsg_type != RTM_NEWRULE)
+			return NL_SKIP;
+
+		cb = check_rule;
+		break;
 	default:
 		return NL_SKIP;
 	}
 
-	if (!cb(hdr, clr->dev->ifindex))
+	if (!cb(hdr, clr->dev ? clr->dev->ifindex : 0))
 		return NL_SKIP;
 
-	D(SYSTEM, "Remove %s from device %s\n",
-	  type == RTM_DELADDR ? "an address" : "a route",
-	  clr->dev->ifname);
+	if (type == RTM_DELRULE)
+		D(SYSTEM, "Remove a rule\n");
+	else
+		D(SYSTEM, "Remove %s from device %s\n",
+		  type == RTM_DELADDR ? "an address" : "a route",
+		  clr->dev->ifname);
 	memcpy(nlmsg_hdr(clr->msg), hdr, hdr->nlmsg_len);
 	hdr = nlmsg_hdr(clr->msg);
 	hdr->nlmsg_type = type;
@@ -472,6 +489,7 @@ system_if_clear_entries(struct device *dev, int type, int af)
 	clr.type = type;
 	switch (type) {
 	case RTM_GETADDR:
+	case RTM_GETRULE:
 		clr.size = sizeof(struct rtgenmsg);
 		break;
 	case RTM_GETROUTE:
@@ -1066,6 +1084,174 @@ bool system_resolve_rt_table(const char *name, unsigned int *id)
 	return true;
 }
 
+static int system_iprule(struct iprule *rule, int cmd)
+{
+	int alen = ((rule->flags & IPRULE_FAMILY) == IPRULE_INET4) ? 4 : 16;
+
+	struct nl_msg *msg;
+	struct rtmsg rtm = {
+		.rtm_family = (alen == 4) ? AF_INET : AF_INET6,
+		.rtm_protocol = RTPROT_STATIC,
+		.rtm_scope = RT_SCOPE_UNIVERSE,
+		.rtm_table = RT_TABLE_UNSPEC,
+		.rtm_type = RTN_UNSPEC,
+		.rtm_flags = 0,
+	};
+
+	if (cmd == RTM_NEWRULE) {
+		rtm.rtm_type = RTN_UNICAST;
+		rtm.rtm_flags |= NLM_F_REPLACE | NLM_F_EXCL;
+	}
+
+	if (rule->invert)
+		rtm.rtm_flags |= FIB_RULE_INVERT;
+
+	if (rule->flags & IPRULE_SRC)
+		rtm.rtm_src_len = rule->src_mask;
+
+	if (rule->flags & IPRULE_DEST)
+		rtm.rtm_dst_len = rule->dest_mask;
+
+	if (rule->flags & IPRULE_TOS)
+		rtm.rtm_tos = rule->tos;
+
+	if (rule->flags & IPRULE_LOOKUP) {
+		if (rule->lookup < 256)
+			rtm.rtm_table = rule->lookup;
+	}
+
+	if (rule->flags & IPRULE_ACTION)
+		rtm.rtm_type = rule->action;
+	else if (rule->flags & IPRULE_GOTO)
+		rtm.rtm_type = FR_ACT_GOTO;
+	else if (!(rule->flags & (IPRULE_LOOKUP | IPRULE_ACTION | IPRULE_GOTO)))
+		rtm.rtm_type = FR_ACT_NOP;
+
+	msg = nlmsg_alloc_simple(cmd, NLM_F_REQUEST);
+
+	if (!msg)
+		return -1;
+
+	nlmsg_append(msg, &rtm, sizeof(rtm), 0);
+
+	if (rule->flags & IPRULE_IN)
+		nla_put(msg, FRA_IFNAME, strlen(rule->in_dev) + 1, rule->in_dev);
+
+	if (rule->flags & IPRULE_OUT)
+		nla_put(msg, FRA_OIFNAME, strlen(rule->out_dev) + 1, rule->out_dev);
+
+	if (rule->flags & IPRULE_SRC)
+		nla_put(msg, FRA_SRC, alen, &rule->src_addr);
+
+	if (rule->flags & IPRULE_DEST)
+		nla_put(msg, FRA_DST, alen, &rule->dest_addr);
+
+	if (rule->flags & IPRULE_PRIORITY)
+		nla_put_u32(msg, FRA_PRIORITY, rule->priority);
+
+	if (rule->flags & IPRULE_FWMARK)
+		nla_put_u32(msg, FRA_FWMARK, rule->fwmark);
+
+	if (rule->flags & IPRULE_FWMASK)
+		nla_put_u32(msg, FRA_FWMASK, rule->fwmask);
+
+	if (rule->flags & IPRULE_LOOKUP) {
+		if (rule->lookup >= 256)
+			nla_put_u32(msg, FRA_TABLE, rule->lookup);
+	}
+
+	if (rule->flags & IPRULE_GOTO)
+		nla_put_u32(msg, FRA_GOTO, rule->gotoid);
+
+	return system_rtnl_call(msg);
+}
+
+int system_add_iprule(struct iprule *rule)
+{
+	return system_iprule(rule, RTM_NEWRULE);
+}
+
+int system_del_iprule(struct iprule *rule)
+{
+	return system_iprule(rule, RTM_DELRULE);
+}
+
+int system_flush_iprules(void)
+{
+	int rv = 0;
+	struct iprule rule;
+
+	system_if_clear_entries(NULL, RTM_GETRULE, AF_INET);
+	system_if_clear_entries(NULL, RTM_GETRULE, AF_INET6);
+
+	memset(&rule, 0, sizeof(rule));
+
+
+	rule.flags = IPRULE_INET4 | IPRULE_PRIORITY | IPRULE_LOOKUP;
+
+	rule.priority = 0;
+	rule.lookup = RT_TABLE_LOCAL;
+	rv |= system_iprule(&rule, RTM_NEWRULE);
+
+	rule.priority = 32766;
+	rule.lookup = RT_TABLE_MAIN;
+	rv |= system_iprule(&rule, RTM_NEWRULE);
+
+	rule.priority = 32767;
+	rule.lookup = RT_TABLE_DEFAULT;
+	rv |= system_iprule(&rule, RTM_NEWRULE);
+
+
+	rule.flags = IPRULE_INET6 | IPRULE_PRIORITY | IPRULE_LOOKUP;
+
+	rule.priority = 0;
+	rule.lookup = RT_TABLE_LOCAL;
+	rv |= system_iprule(&rule, RTM_NEWRULE);
+
+	rule.priority = 32766;
+	rule.lookup = RT_TABLE_MAIN;
+	rv |= system_iprule(&rule, RTM_NEWRULE);
+
+	return rv;
+}
+
+bool system_resolve_iprule_action(const char *action, unsigned int *id)
+{
+	char *e;
+	unsigned int n;
+
+	if (!strcmp(action, "local"))
+		n = RTN_LOCAL;
+	else if (!strcmp(action, "nat"))
+		n = RTN_NAT;
+	else if (!strcmp(action, "broadcast"))
+		n = RTN_BROADCAST;
+	else if (!strcmp(action, "anycast"))
+		n = RTN_ANYCAST;
+	else if (!strcmp(action, "multicast"))
+		n = RTN_MULTICAST;
+	else if (!strcmp(action, "prohibit"))
+		n = RTN_PROHIBIT;
+	else if (!strcmp(action, "unreachable"))
+		n = RTN_UNREACHABLE;
+	else if (!strcmp(action, "blackhole"))
+		n = RTN_BLACKHOLE;
+	else if (!strcmp(action, "xresolve"))
+		n = RTN_XRESOLVE;
+	else if (!strcmp(action, "unicast"))
+		n = RTN_UNICAST;
+	else if (!strcmp(action, "throw"))
+		n = RTN_THROW;
+	else {
+		n = strtoul(action, &e, 0);
+		if (!e || *e || e == action || n > 255)
+			return false;
+	}
+
+	*id = n;
+	return true;
+}
+
 time_t system_get_rtime(void)
 {
 	struct timespec ts;
diff --git a/system.h b/system.h
index b093371..9b555e8 100644
--- a/system.h
+++ b/system.h
@@ -19,6 +19,7 @@
 #include <arpa/inet.h>
 #include "device.h"
 #include "interface-ip.h"
+#include "iprule.h"
 
 enum tunnel_param {
 	TUNNEL_ATTR_TYPE,
@@ -99,6 +100,12 @@ bool system_resolve_rt_table(const char *name, unsigned int *id);
 int system_del_ip_tunnel(const char *name);
 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 
+int system_add_iprule(struct iprule *rule);
+int system_del_iprule(struct iprule *rule);
+int system_flush_iprules(void);
+
+bool system_resolve_iprule_action(const char *action, unsigned int *id);
+
 time_t system_get_rtime(void);
 
 void system_fd_set_cloexec(int fd);