Merge branch 'master' of /home/cero1/src/openwrt

include/kernel-defaults.mk

@@ -119,7 +119,7 @@ OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.g
 
 define Kernel/CompileImage/Default
 	$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),,rm -f $(TARGET_DIR)/init)
-	+$(MAKE) $(KERNEL_MAKEOPTS) $(KERNELNAME)
+	+$(MAKE) $(KERNEL_MAKEOPTS) $(subst ",,$(KERNELNAME))
 	$(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
 	$(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf
 endef

include/netfilter.mk

@@ -185,6 +185,7 @@ $(eval $(call nf_add,IPT_NATHELPER,CONFIG_NF_NAT_IRC, $(P_V4)nf_nat_irc))
 
 # nathelper-extra
 
+$(eval $(call nf_add,IPT_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_BROADCAST, $(P_XT)nf_conntrack_broadcast))
 $(eval $(call nf_add,IPT_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_AMANDA, $(P_XT)nf_conntrack_amanda))
 $(eval $(call nf_add,IPT_NATHELPER_EXTRA,CONFIG_NF_NAT_AMANDA, $(P_V4)nf_nat_amanda))
 $(eval $(call nf_add,IPT_NATHELPER_EXTRA,CONFIG_NF_CT_PROTO_GRE, $(P_XT)nf_conntrack_proto_gre))

include/uclibc++.mk

@@ -9,8 +9,8 @@ CXX_DEPENDS = +USE_UCLIBCXX:uclibcxx +USE_LIBSTDCXX:libstdcpp
 
 ifneq ($(CONFIG_USE_UCLIBCXX),)
  ifneq ($(CONFIG_CCACHE),)
-  TARGET_CXX_NOCACHE="g++-uc"
+  TARGET_CXX_NOCACHE=g++-uc
  else
-  TARGET_CXX="g++-uc"
+  TARGET_CXX=g++-uc
  endif
 endif

package/6in4/Makefile

@@ -37,8 +37,6 @@ endef
 define Package/6in4/install
 	$(INSTALL_DIR) $(1)/lib/netifd/proto
 	$(INSTALL_BIN) ./files/6in4.sh $(1)/lib/netifd/proto/6in4.sh
-	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
-	$(INSTALL_DATA) ./files/6in4.hotplug $(1)/etc/hotplug.d/iface/90-6in4
 endef
 
 $(eval $(call BuildPackage,6in4))

package/6in4/files/6in4.sh

@@ -9,13 +9,6 @@
 	init_proto "$@"
 }
 
-tun_error() {
-	local cfg="$1"; shift;
-
-	[ -n "$1" ] && proto_notify_error "$cfg" "$@"
-	proto_block_restart "$cfg"
-}
-
 proto_6in4_setup() {
 	local cfg="$1"
 	local iface="$2"
@@ -25,14 +18,17 @@ proto_6in4_setup() {
 	json_get_vars mtu ttl ipaddr peeraddr ip6addr tunnelid username password
 
 	[ -z "$ip6addr" -o -z "$peeraddr" ] && {
-		tun_error "$cfg" "MISSING_ADDRESS"
+		proto_notify_error "$cfg" "MISSING_ADDRESS"
+		proto_block_restart "$cfg"
 		return
 	}
 
+	( proto_add_host_dependency "$cfg" 0.0.0.0 )
+
 	[ -z "$ipaddr" ] && {
 		local wanif
 		if ! network_find_wan wanif || ! network_get_ipaddr ipaddr "$wanif"; then
-			tun_error "$cfg" "NO_WAN_LINK"
+			proto_notify_error "$cfg" "NO_WAN_LINK"
 			return
 		fi
 	}

package/6rd/Makefile

@@ -0,0 +1,53 @@
+#
+# Copyright (C) 2010-2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=6rd
+PKG_VERSION:=2
+PKG_RELEASE:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/6rd
+  SECTION:=ipv6
+  CATEGORY:=IPv6
+  DEPENDS:=+kmod-ipv6 +kmod-sit
+  TITLE:=6rd configuration support
+  MAINTAINER:=Stéphan Kochen <stephan@kochen.nl>
+  PKGARCH:=all
+endef
+
+define Package/6rd/description
+Provides support for 6rd tunnels in /etc/config/network.
+Refer to http://wiki.openwrt.org/doc/uci/network for
+configuration details.
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)/
+endef
+
+define Build/Configure
+endef
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+		CC="$(TARGET_CC)" \
+		CFLAGS="$(TARGET_CFLAGS) -Wall" \
+		LDFLAGS="$(TARGET_LDFLAGS)"
+endef
+
+define Package/6rd/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/6rdcalc $(1)/usr/sbin/
+	$(INSTALL_DIR) $(1)/lib/netifd/proto
+	$(INSTALL_BIN) ./files/6rd.sh $(1)/lib/netifd/proto/6rd.sh
+endef
+
+$(eval $(call BuildPackage,6rd))

package/6rd/files/6rd.sh

@@ -0,0 +1,79 @@
+#!/bin/sh
+# 6rd.sh - IPv6-in-IPv4 tunnel backend
+# Copyright (c) 2010-2012 OpenWrt.org
+
+[ -n "$INCLUDE_ONLY" ] || {
+	. /lib/functions.sh
+	. /lib/functions/network.sh
+	. ../netifd-proto.sh
+	init_proto "$@"
+}
+
+proto_6rd_setup() {
+	local cfg="$1"
+	local iface="$2"
+	local link="6rd-$cfg"
+
+	local mtu ttl ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen
+	json_get_vars mtu ttl ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen
+
+	[ -z "$ip6prefix" -o -z "$peeraddr" ] && {
+		proto_notify_error "$cfg" "MISSING_ADDRESS"
+		proto_block_restart "$cfg"
+		return
+	}
+
+	( proto_add_host_dependency "$cfg" 0.0.0.0 )
+
+	[ -z "$ipaddr" ] && {
+		local wanif
+		if ! network_find_wan wanif || ! network_get_ipaddr ipaddr "$wanif"; then
+			proto_notify_error "$cfg" "NO_WAN_LINK"
+			return
+		fi
+	}
+
+	# Determine the relay prefix.
+	local ip4prefixlen="${ip4prefixlen:-0}"
+	local ip4prefix=$(ipcalc.sh "$ipaddr/$ip4prefixlen" | grep NETWORK)
+	ip4prefix="${ip4prefix#NETWORK=}"
+
+	# Determine our IPv6 address.
+	local ip6subnet=$(6rdcalc "$ip6prefix/$ip6prefixlen" "$ipaddr/$ip4prefixlen")
+	local ip6addr="${ip6subnet%%::*}::1"
+
+	proto_init_update "$link" 1
+	proto_add_ipv6_address "$ip6addr" "$ip6prefixlen"
+	proto_add_ipv6_route "::" 0 "::$peeraddr"
+
+	proto_add_tunnel
+	json_add_string mode sit
+	json_add_int mtu "${mtu:-1280}"
+	json_add_int ttl "${ttl:-64}"
+	json_add_string local "$ipaddr"
+	json_add_string 6rd-prefix "$ip6prefix/$ip6prefixlen"
+	json_add_string 6rd-relay-prefix "$ip4prefix/$ip4prefixlen"
+	proto_close_tunnel
+
+	proto_send_update "$cfg"
+}
+
+proto_6rd_teardown() {
+	local cfg="$1"
+}
+
+proto_6rd_init_config() {
+	no_device=1
+	available=1
+
+	proto_config_add_int "mtu"
+	proto_config_add_int "ttl"
+	proto_config_add_string "peeraddr"
+	proto_config_add_string "ip6prefix"
+	proto_config_add_string "ip6prefixlen"
+	proto_config_add_string "ip4prefixlen"
+}
+
+[ -n "$INCLUDE_ONLY" ] || {
+	add_protocol 6rd
+}

package/6rd/src/6rdcalc.c

@@ -0,0 +1,126 @@
+/*
+ * Utility used to calculate the 6rd subnet.
+ *
+ * Copyright 2012, Stéphan Kochen <stephan@kochen.nl>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/errno.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+#define INET_PREFIXSTRLEN (INET_ADDRSTRLEN+3)
+#define INET6_PREFIXSTRLEN (INET6_ADDRSTRLEN+4)
+
+static void print_usage()
+{
+	fprintf(stderr, "Usage: 6rdcalc <v6 prefix>/<mask> <v4 address>/<mask>\n");
+	exit(1);
+}
+
+static void print_error()
+{
+	fprintf(stderr, "%s", strerror(errno));
+	exit(1);
+}
+
+static void parse_str(int af, char *str, void *addr, unsigned long *mask)
+{
+	int ret;
+	char *slash;
+
+	/* Split the address at the slash. */
+	if ((slash = strchr(str, '/')) == NULL)
+		print_usage();
+	*slash = '\0';
+
+	/* Parse the address. */
+	if ((ret = inet_pton(af, str, addr)) != 1) {
+		if (ret == 0)
+			print_usage();
+		else
+			print_error();
+	}
+
+	/* Parse the mask. */
+	*mask = strtoul(slash+1, NULL, 10);
+	if ((af == AF_INET  && *mask >  32) ||
+		(af == AF_INET6 && *mask > 128))
+		print_usage();
+}
+
+int main(int argc, const char **argv)
+{
+	char v6str[INET6_PREFIXSTRLEN], v4str[INET_PREFIXSTRLEN];
+	struct in6_addr v6;
+	struct in_addr v4;
+	unsigned long v6it, v4it, mask;
+	unsigned char *byte4, *byte6;
+	unsigned char bit4, bit6;
+
+	/* Check parameters. */
+	if (argc != 3)
+		print_usage();
+
+	/* Parse the v6 address. */
+	strncpy(v6str, argv[1], INET6_PREFIXSTRLEN);
+	v6str[INET6_PREFIXSTRLEN-1] = '\0';
+	parse_str(AF_INET6, v6str, &v6, &v6it);
+
+	/* Parse the v4 address */
+	strncpy(v4str, argv[2], INET_PREFIXSTRLEN);
+	v6str[INET_PREFIXSTRLEN-1] = '\0';
+	parse_str(AF_INET, v4str, &v4, &v4it);
+
+	/* Check if the combined mask is within bounds. */
+	mask = (32 - v4it) + v6it;
+	if (mask > 128)
+		print_usage();
+
+	/* Combine the addresses. */
+	while (v4it < 32) {
+		byte6 = (unsigned char *)(&v6.s6_addr) + (v6it >> 3);
+		byte4 = (unsigned char *)(&v4.s_addr)  + (v4it >> 3);
+		bit6 = 128 >> (v6it & 0x07);
+		bit4 = 128 >> (v4it & 0x07);
+
+		if (*byte4 & bit4)
+			*byte6 |= bit6;
+		else
+			*byte6 &= ~bit6;
+
+		v4it++; v6it++;
+	}
+
+	/* Clear remaining bits. */
+	while (v6it < 128) {
+		byte6 = (unsigned char *)(&v6.s6_addr) + (v6it >> 2);
+		bit6 = 128 >> (v6it & 0x07);
+
+		*byte6 &= ~bit6;
+
+		v6it++;
+	}
+
+	/* Print the subnet prefix. */
+	if (inet_ntop(AF_INET6, &v6, v6str, sizeof(v6str)) == NULL)
+		print_error();
+	printf("%s/%lu\n", v6str, mask);
+	return 0;
+}

package/6rd/src/Makefile

@@ -0,0 +1,7 @@
+all: 6rdcalc
+
+6rdcalc: 6rdcalc.c
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
+
+clean:
+	rm -f 6rdcalc

package/6to4/Makefile

@@ -37,8 +37,6 @@ endef
 define Package/6to4/install
 	$(INSTALL_DIR) $(1)/lib/netifd/proto
 	$(INSTALL_BIN) ./files/6to4.sh $(1)/lib/netifd/proto/6to4.sh
-	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
-	$(INSTALL_DATA) ./files/6to4.hotplug $(1)/etc/hotplug.d/iface/91-6to4
 endef
 
 $(eval $(call BuildPackage,6to4))