diff options
Diffstat (limited to 'package/network/ipv6')
-rw-r--r-- | package/network/ipv6/6in4/Makefile | 42 | ||||
-rwxr-xr-x | package/network/ipv6/6in4/files/6in4.sh | 90 | ||||
-rw-r--r-- | package/network/ipv6/6rd/Makefile | 53 | ||||
-rw-r--r-- | package/network/ipv6/6rd/files/6rd.sh | 80 | ||||
-rw-r--r-- | package/network/ipv6/6rd/src/6rdcalc.c | 126 | ||||
-rw-r--r-- | package/network/ipv6/6rd/src/Makefile | 7 | ||||
-rw-r--r-- | package/network/ipv6/6to4/Makefile | 42 | ||||
-rwxr-xr-x | package/network/ipv6/6to4/files/6to4.sh | 209 |
8 files changed, 649 insertions, 0 deletions
diff --git a/package/network/ipv6/6in4/Makefile b/package/network/ipv6/6in4/Makefile new file mode 100644 index 000000000..fdab29086 --- /dev/null +++ b/package/network/ipv6/6in4/Makefile @@ -0,0 +1,42 @@ +# +# 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:=6in4 +PKG_VERSION:=11 +PKG_RELEASE:=1 + +include $(INCLUDE_DIR)/package.mk + +define Package/6in4 + SECTION:=ipv6 + CATEGORY:=IPv6 + DEPENDS:=+kmod-ipv6 +kmod-sit + TITLE:=IPv6-in-IPv4 configuration support + MAINTAINER:=Jo-Philipp Wich <xm@subsignal.org> + PKGARCH:=all +endef + +define Package/6in4/description +Provides support for 6in4 tunnels in /etc/config/network. +Refer to http://wiki.openwrt.org/doc/uci/network for +configuration details. +endef + +define Build/Compile +endef + +define Build/Configure +endef + +define Package/6in4/install + $(INSTALL_DIR) $(1)/lib/netifd/proto + $(INSTALL_BIN) ./files/6in4.sh $(1)/lib/netifd/proto/6in4.sh +endef + +$(eval $(call BuildPackage,6in4)) diff --git a/package/network/ipv6/6in4/files/6in4.sh b/package/network/ipv6/6in4/files/6in4.sh new file mode 100755 index 000000000..71bc68940 --- /dev/null +++ b/package/network/ipv6/6in4/files/6in4.sh @@ -0,0 +1,90 @@ +#!/bin/sh +# 6in4.sh - IPv6-in-IPv4 tunnel backend +# Copyright (c) 2010-2012 OpenWrt.org + +[ -n "$INCLUDE_ONLY" ] || { + . /lib/functions.sh + . /lib/functions/network.sh + . ../netifd-proto.sh + init_proto "$@" +} + +proto_6in4_setup() { + local cfg="$1" + local iface="$2" + local link="6in4-$cfg" + + local mtu ttl ipaddr peeraddr ip6addr tunnelid username password + json_get_vars mtu ttl ipaddr peeraddr ip6addr tunnelid username password + + [ -z "$ip6addr" -o -z "$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 + } + + local local6="${ip6addr%%/*}" + local mask6="${ip6addr##*/}" + [[ "$local6" = "$mask6" ]] && mask6= + + proto_init_update "$link" 1 + proto_add_ipv6_address "$local6" "$mask6" + proto_add_ipv6_route "::" 0 + + proto_add_tunnel + json_add_string mode sit + json_add_int mtu "${mtu:-1280}" + json_add_int ttl "${ttl:-64}" + json_add_string local "$ipaddr" + json_add_string remote "$peeraddr" + proto_close_tunnel + + proto_send_update "$cfg" + + [ -n "$tunnelid" -a -n "$username" -a -n "$password" ] && { + [ "${#password}" == 32 -a -z "${password//[a-fA-F0-9]/}" ] || { + password="$(echo -n "$password" | md5sum)"; password="${password%% *}" + } + + local url="http://ipv4.tunnelbroker.net/ipv4_end.php?ip=AUTO&apikey=$username&pass=$password&tid=$tunnelid" + local try=0 + local max=3 + + while [ $((++try)) -le $max ]; do + wget -qO/dev/null "$url" 2>/dev/null && break + sleep 1 + done + } +} + +proto_6in4_teardown() { + local cfg="$1" +} + +proto_6in4_init_config() { + no_device=1 + available=1 + + proto_config_add_string "ipaddr" + proto_config_add_string "ip6addr" + proto_config_add_string "peeraddr" + proto_config_add_string "tunnelid" + proto_config_add_string "username" + proto_config_add_string "password" + proto_config_add_int "mtu" + proto_config_add_int "ttl" +} + +[ -n "$INCLUDE_ONLY" ] || { + add_protocol 6in4 +} diff --git a/package/network/ipv6/6rd/Makefile b/package/network/ipv6/6rd/Makefile new file mode 100644 index 000000000..3d4549674 --- /dev/null +++ b/package/network/ipv6/6rd/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 $(call BuildPackage,6rd)) diff --git a/package/network/ipv6/6rd/files/6rd.sh b/package/network/ipv6/6rd/files/6rd.sh new file mode 100644 index 000000000..59c3169b3 --- /dev/null +++ b/package/network/ipv6/6rd/files/6rd.sh @@ -0,0 +1,80 @@ +#!/bin/sh +# 6rd.sh - IPv6-in-IPv4 tunnel backend +# Copyright (c) 2010-2012 OpenWrt.org + +[ -n "$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="$1" +} + +proto_6rd_init_config() { + no_device=1 + available=1 + + proto_config_add_int "mtu" + proto_config_add_int "ttl" + proto_config_add_string "ipaddr" + proto_config_add_string "peeraddr" + proto_config_add_string "ip6prefix" + proto_config_add_string "ip6prefixlen" + proto_config_add_string "ip4prefixlen" +} + +[ -n "$INCLUDE_ONLY" ] || { + add_protocol 6rd +} diff --git a/package/network/ipv6/6rd/src/6rdcalc.c b/package/network/ipv6/6rd/src/6rdcalc.c new file mode 100644 index 000000000..56e07d255 --- /dev/null +++ b/package/network/ipv6/6rd/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; +} diff --git a/package/network/ipv6/6rd/src/Makefile b/package/network/ipv6/6rd/src/Makefile new file mode 100644 index 000000000..2881d4358 --- /dev/null +++ b/package/network/ipv6/6rd/src/Makefile @@ -0,0 +1,7 @@ +all: 6rdcalc + +6rdcalc: 6rdcalc.c + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< + +clean: + rm -f 6rdcalc diff --git a/package/network/ipv6/6to4/Makefile b/package/network/ipv6/6to4/Makefile new file mode 100644 index 000000000..f29571d86 --- /dev/null +++ b/package/network/ipv6/6to4/Makefile @@ -0,0 +1,42 @@ +# +# 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:=6to4 +PKG_VERSION:=11 +PKG_RELEASE:=1 + +include $(INCLUDE_DIR)/package.mk + +define Package/6to4 + SECTION:=ipv6 + CATEGORY:=IPv6 + DEPENDS:=+kmod-ipv6 +kmod-sit + TITLE:=IPv6-to-IPv4 configuration support + MAINTAINER:=Jo-Philipp Wich <xm@subsignal.org> + PKGARCH:=all +endef + +define Package/6to4/description +Provides support for 6to4 tunnels in /etc/config/network. +Refer to http://wiki.openwrt.org/doc/uci/network for +configuration details. +endef + +define Build/Compile +endef + +define Build/Configure +endef + +define Package/6to4/install + $(INSTALL_DIR) $(1)/lib/netifd/proto + $(INSTALL_BIN) ./files/6to4.sh $(1)/lib/netifd/proto/6to4.sh +endef + +$(eval $(call BuildPackage,6to4)) diff --git a/package/network/ipv6/6to4/files/6to4.sh b/package/network/ipv6/6to4/files/6to4.sh new file mode 100755 index 000000000..3a616f675 --- /dev/null +++ b/package/network/ipv6/6to4/files/6to4.sh @@ -0,0 +1,209 @@ +#!/bin/sh +# 6to4.sh - IPv6-in-IPv4 tunnel backend +# Copyright (c) 2010-2012 OpenWrt.org + +[ -n "$INCLUDE_ONLY" ] || { + . /lib/functions.sh + . /lib/functions/network.sh + . ../netifd-proto.sh + init_proto "$@" +} + +find_6to4_prefix() { + local ip4="$1" + local oIFS="$IFS"; IFS="."; set -- $ip4; IFS="$oIFS" + + printf "2002:%02x%02x:%02x%02x\n" $1 $2 $3 $4 +} + +test_6to4_rfc1918() +{ + local oIFS="$IFS"; IFS="."; set -- $1; IFS="$oIFS" + [ $1 -eq 10 ] && return 0 + [ $1 -eq 192 ] && [ $2 -eq 168 ] && return 0 + [ $1 -eq 172 ] && [ $2 -ge 16 ] && [ $2 -le 31 ] && return 0 + + # RFC 6598 + [ $1 -eq 100 ] && [ $2 -ge 64 ] && [ $2 -le 127 ] && return 0 + + return 1 +} + +set_6to4_radvd_interface() { + local cfgid="$1" + local lanif="${2:-lan}" + local ifmtu="${3:-1280}" + local ifsection="" + + find_ifsection() { + local net + local cfg="$1" + config_get net "$cfg" interface + + [ "$net" = "$lanif" ] && { + ifsection="$cfg" + return 1 + } + } + + config_foreach find_ifsection interface + + [ -z "$ifsection" ] && { + ifsection="iface_$sid" + uci_set_state radvd "$ifsection" "" interface + uci_set_state radvd "$ifsection" interface "$lanif" + } + + uci_set_state radvd "$ifsection" ignore 0 + uci_set_state radvd "$ifsection" IgnoreIfMissing 1 + uci_set_state radvd "$ifsection" AdvSendAdvert 1 + uci_set_state radvd "$ifsection" MaxRtrAdvInterval 30 + uci_set_state radvd "$ifsection" AdvLinkMTU "$ifmtu" +} + +set_6to4_radvd_prefix() { + local cfgid="$1" + local lanif="${2:-lan}" + local wanif="${3:-wan}" + local prefix="${4:-0:0:0:1::/64}" + local vlt="${5:-300}" + local plt="${6:-120}" + local pfxsection="" + + find_pfxsection() { + local net base + local cfg="$1" + config_get net "$cfg" interface + config_get base "$cfg" Base6to4Interface + + [ "$net" = "$lanif" ] && [ "$base" = "$wanif" ] && { + pfxsection="$cfg" + return 1 + } + } + + config_foreach find_pfxsection prefix + + [ -z "$pfxsection" ] && { + pfxsection="prefix_${sid}_${lanif}" + uci_set_state radvd "$pfxsection" "" prefix + uci_set_state radvd "$pfxsection" ignore 0 + uci_set_state radvd "$pfxsection" interface "$lanif" + uci_set_state radvd "$pfxsection" prefix "$prefix" + uci_set_state radvd "$pfxsection" AdvOnLink 1 + uci_set_state radvd "$pfxsection" AdvAutonomous 1 + uci_set_state radvd "$pfxsection" AdvValidLifetime "$vlt" + uci_set_state radvd "$pfxsection" AdvPreferredLifetime "$plt" + uci_set_state radvd "$pfxsection" Base6to4Interface "$wanif" + } +} + +proto_6to4_setup() { + local cfg="$1" + local iface="$2" + local link="6to4-$cfg" + + local mtu ttl ipaddr adv_subnet adv_interface adv_valid_lifetime adv_preferred_lifetime + json_get_vars mtu ttl ipaddr adv_subnet adv_interface adv_valid_lifetime adv_preferred_lifetime + + ( proto_add_host_dependency "$cfg" 0.0.0.0 ) + + local wanif + if ! network_find_wan wanif; then + proto_notify_error "$cfg" "NO_WAN_LINK" + return + fi + + [ -z "$ipaddr" ] && { + if ! network_get_ipaddr ipaddr "$wanif"; then + proto_notify_error "$cfg" "NO_WAN_ADDRESS" + return + fi + } + + test_6to4_rfc1918 "$ipaddr" && { + proto_notify_error "$cfg" "INVALID_LOCAL_ADDRESS" + return + } + + # find our local prefix + local prefix6=$(find_6to4_prefix "$ipaddr") + local local6="$prefix6::1" + + proto_init_update "$link" 1 + proto_add_ipv6_address "$local6" 16 + proto_add_ipv6_route "::" 0 "::192.88.99.1" + + proto_add_tunnel + json_add_string mode sit + json_add_int mtu "${mtu:-1280}" + json_add_int ttl "${ttl:-64}" + json_add_string local "$ipaddr" + proto_close_tunnel + + proto_send_update "$cfg" + + [ -f /etc/config/radvd ] && /etc/init.d/radvd enabled && { + local sid="6to4_$cfg" + + uci_revert_state radvd + config_load radvd + + adv_subnet=$((0x${adv_subnet:-1})) + + local adv_subnets="" + + for adv_interface in ${adv_interface:-lan}; do + local adv_ifname + network_get_device adv_ifname "${adv_interface:-lan}" || continue + + local subnet6="$(printf "%s:%x::1/64" "$prefix6" $adv_subnet)" + + logger -t "$link" " * Advertising IPv6 subnet $subnet6 on ${adv_interface:-lan} ($adv_ifname)" + ip -6 addr add $subnet6 dev $adv_ifname + + set_6to4_radvd_interface "$sid" "$adv_interface" "$mtu" + set_6to4_radvd_prefix "$sid" "$adv_interface" \ + "$wanif" "$(printf "0:0:0:%x::/64" $adv_subnet)" \ + "$adv_valid_lifetime" "$adv_preferred_lifetime" + + adv_subnets="${adv_subnets:+$adv_subnets }$adv_ifname:$subnet6" + adv_subnet=$(($adv_subnet + 1)) + done + + uci_set_state network "$cfg" adv_subnets "$adv_subnets" + + /etc/init.d/radvd restart + } +} + +proto_6to4_teardown() { + local cfg="$1" + local link="6to4-$cfg" + + local adv_subnets=$(uci_get_state network "$cfg" adv_subnets) + + grep -qs "^ *$link:" /proc/net/dev && { + [ -n "$adv_subnets" ] && { + uci_revert_state radvd + /etc/init.d/radvd enabled && /etc/init.d/radvd restart + } + } +} + +proto_6to4_init_config() { + no_device=1 + available=1 + + proto_config_add_string "ipaddr" + proto_config_add_int "mtu" + proto_config_add_int "ttl" + proto_config_add_string "adv_interface" + proto_config_add_string "adv_subnet" + proto_config_add_int "adv_valid_lifetime" + proto_config_add_int "adv_preferred_lifetime" +} + +[ -n "$INCLUDE_ONLY" ] || { + add_protocol 6to4 +} |