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This commit is contained in:
domenico
2025-06-24 14:35:53 +02:00
commit c06fb25d1f
9263 changed files with 1750214 additions and 0 deletions

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include $(TOPDIR)/rules.mk
PKG_NAME:=464xlat
PKG_RELEASE:=13
PKG_SOURCE_DATE:=2018-01-16
PKG_MAINTAINER:=Hans Dedecker <dedeckeh@gmail.com>
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
define Package/464xlat
SECTION:=net
CATEGORY:=Network
DEPENDS:=@IPV6 +kmod-nat46 +ip
TITLE:=464xlat CLAT support
endef
define Build/Prepare
$(call Build/Prepare/Default)
$(CP) ./src/* $(PKG_BUILD_DIR)/
endef
define Build/Compile
$(MAKE) -C $(PKG_BUILD_DIR) \
CC="$(TARGET_CC)" \
CFLAGS="$(TARGET_CFLAGS) -Wall" \
LDFLAGS="$(TARGET_LDFLAGS)"
endef
define Package/464xlat/description
464xlat provides support to deploy limited IPv4 access services to mobile
and wireline IPv6-only edge networks without encapsulation (RFC6877)
endef
define Package/464xlat/install
$(INSTALL_DIR) $(1)/lib/netifd/proto
$(INSTALL_BIN) ./files/464xlat.sh $(1)/lib/netifd/proto/464xlat.sh
$(INSTALL_DIR) $(1)/sbin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/464xlatcfg $(1)/sbin
endef
$(eval $(call BuildPackage,464xlat))

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#!/bin/sh
# 464xlat.sh - 464xlat CLAT
#
# Copyright (c) 2015 Steven Barth <cyrus@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.
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
proto_464xlat_setup() {
local cfg="$1"
local iface="$2"
local link="464-$cfg"
local ip6addr ip6prefix tunlink zone
json_get_vars ip6addr ip6prefix tunlink zone
[ "$zone" = "-" ] && zone=""
( proto_add_host_dependency "$cfg" "::" "$tunlink" )
if [ -z "$tunlink" ] && ! network_find_wan6 tunlink; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
network_get_device tundev "$tunlink"
ip6addr=$(464xlatcfg "$link" "$tundev" "$ip6prefix" 192.0.0.1 $ip6addr)
if [ -z "$ip6addr" ]; then
proto_notify_error "$cfg" "CLAT_CONFIG_FAILED"
return
fi
ip -6 rule del from all lookup local
ip -6 rule add from all lookup local pref 1
ip -6 rule add to $ip6addr lookup prelocal pref 0
echo "$ip6addr" > /tmp/464-$cfg-anycast
proto_init_update "$link" 1
proto_add_ipv4_route "0.0.0.0" 0 "" "" 2048
proto_add_ipv6_route $ip6addr 128 "" "" "" "" 128
proto_add_data
[ -n "$zone" ] && json_add_string zone "$zone"
json_add_array firewall
[ -z "$zone" ] && zone=$(fw3 -q network $iface 2>/dev/null)
json_add_object ""
json_add_string type nat
json_add_string target SNAT
json_add_string family inet
json_add_string snat_ip 192.0.0.1
json_close_object
[ -n "$zone" ] && {
json_add_object ""
json_add_string type rule
json_add_string family inet6
json_add_string proto all
json_add_string direction in
json_add_string dest "$zone"
json_add_string src "$zone"
json_add_string src_ip $ip6addr
json_add_string target ACCEPT
json_close_object
}
json_close_array
proto_close_data
proto_send_update "$cfg"
}
proto_464xlat_teardown() {
local cfg="$1"
local link="464-$cfg"
[ -f /tmp/464-$cfg-anycast ] || return
local ip6addr=$(cat /tmp/464-$cfg-anycast)
464xlatcfg "$link"
rm -rf /tmp/464-$cfg-anycast
[ -n "$ip6addr" ] && ip -6 rule del to $ip6addr lookup prelocal
if [ -z "$(ls /tmp/464-*-anycast 2>&-)" ]; then
ip -6 rule del from all lookup local
ip -6 rule add from all lookup local pref 0
fi
# Kill conntracks SNATed to 192.0.0.1
echo 192.0.0.1 > /proc/net/nf_conntrack
}
proto_464xlat_init_config() {
no_device=1
available=1
proto_config_add_string "ip6prefix"
proto_config_add_string "ip6addr"
proto_config_add_string "tunlink"
proto_config_add_string "zone"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol 464xlat
}

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/* 464xlatcfg.c
*
* Copyright (c) 2015 Steven Barth <cyrus@openwrt.org>
* Copyright (c) 2017 Hans Dedecker <dedeckeh@gmail.com>
*
* 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 <netinet/icmp6.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <stdio.h>
#include <netdb.h>
static void sighandler(__attribute__((unused)) int signal)
{
}
int main(int argc, const char *argv[])
{
char buf[INET6_ADDRSTRLEN], prefix[INET6_ADDRSTRLEN + 4];
int pid;
if (argc <= 1) {
fprintf(stderr, "Usage: %s <name> [ifname] [ipv6prefix] [ipv4addr] [ipv6addr]\n", argv[0]);
return 1;
}
snprintf(buf, sizeof(buf), "/var/run/%s.pid", argv[1]);
FILE *fp = fopen(buf, "r");
if (fp) {
if (fscanf(fp, "%d", &pid) == 1)
kill(pid, SIGTERM);
unlink(buf);
fclose(fp);
}
if (!argv[2])
return 0;
if (!argv[3] || !argv[4] || !(fp = fopen(buf, "wx")))
return 1;
signal(SIGTERM, SIG_DFL);
setvbuf(fp, NULL, _IOLBF, 0);
fprintf(fp, "%d\n", getpid());
prefix[sizeof(prefix) - 1] = 0;
strncpy(prefix, argv[3], sizeof(prefix) - 1);
if (!prefix[0]) {
struct addrinfo hints = { .ai_family = AF_INET6 }, *res;
if (getaddrinfo("ipv4only.arpa", NULL, &hints, &res) || !res) {
sleep(3);
if (getaddrinfo("ipv4only.arpa", NULL, &hints, &res) || !res)
return 2;
}
struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)res->ai_addr;
inet_ntop(AF_INET6, &sin6->sin6_addr, prefix, sizeof(prefix) - 4);
strcat(prefix, "/96");
freeaddrinfo(res);
}
int i = 0;
int sock;
struct sockaddr_in6 saddr;
do {
socklen_t saddrlen = sizeof(saddr);
struct icmp6_filter filt;
sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
ICMP6_FILTER_SETBLOCKALL(&filt);
setsockopt(sock, IPPROTO_ICMPV6, ICMP6_FILTER, &filt, sizeof(filt));
setsockopt(sock, SOL_SOCKET, SO_BINDTODEVICE, argv[2], strlen(argv[2]));
memset(&saddr, 0, sizeof(saddr));
saddr.sin6_family = AF_INET6;
saddr.sin6_addr.s6_addr32[0] = htonl(0x2001);
saddr.sin6_addr.s6_addr32[1] = htonl(0xdb8);
if (connect(sock, (struct sockaddr*)&saddr, sizeof(saddr)) ||
getsockname(sock, (struct sockaddr*)&saddr, &saddrlen))
return 3;
if (!IN6_IS_ADDR_LINKLOCAL(&saddr.sin6_addr) || argv[5])
break;
close(sock);
sleep(3);
i++;
} while (i < 3);
struct ipv6_mreq mreq = {saddr.sin6_addr, if_nametoindex(argv[2])};
if (!argv[5]) {
if (IN6_IS_ADDR_LINKLOCAL(&mreq.ipv6mr_multiaddr))
return 5;
srandom(mreq.ipv6mr_multiaddr.s6_addr32[0] ^ mreq.ipv6mr_multiaddr.s6_addr32[1] ^
mreq.ipv6mr_multiaddr.s6_addr32[2] ^ mreq.ipv6mr_multiaddr.s6_addr32[3]);
mreq.ipv6mr_multiaddr.s6_addr32[2] = random();
mreq.ipv6mr_multiaddr.s6_addr32[3] = random();
} else if (inet_pton(AF_INET6, argv[5], &mreq.ipv6mr_multiaddr) != 1) {
return 1;
}
if (setsockopt(sock, SOL_IPV6, IPV6_JOIN_ANYCAST, &mreq, sizeof(mreq)))
return 3;
inet_ntop(AF_INET6, &mreq.ipv6mr_multiaddr, buf, sizeof(buf));
fputs(buf, stdout);
fputc('\n', stdout);
fflush(stdout);
FILE *nat46 = fopen("/proc/net/nat46/control", "w");
if (!nat46 || fprintf(nat46, "add %s\nconfig %s local.style NONE local.v4 %s/32 local.v6 %s/128 "
"remote.style RFC6052 remote.v6 %s\n", argv[1], argv[1], argv[4], buf, prefix) < 0 ||
fclose(nat46))
return 4;
if (!(pid = fork())) {
fclose(fp);
fclose(stdin);
fclose(stdout);
fclose(stderr);
chdir("/");
setsid();
signal(SIGTERM, sighandler);
pause();
nat46 = fopen("/proc/net/nat46/control", "w");
if (nat46) {
fprintf(nat46, "del %s\n", argv[1]);
fclose(nat46);
}
} else {
rewind(fp);
fprintf(fp, "%d\n", pid);
}
return 0;
}

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all: 464xlatcfg
464xlatcfg: 464xlatcfg.c
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
clean:
rm -f 464xlatcfg

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#
# Copyright (C) 2010-2015 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_RELEASE:=29
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
define Package/6in4
SECTION:=net
CATEGORY:=Network
DEPENDS:=@IPV6 +kmod-sit +uclient-fetch +resolveip
TITLE:=IPv6-in-IPv4 configuration support
MAINTAINER:=Jo-Philipp Wich <jo@mein.io>
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))

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#!/bin/sh
# 6in4.sh - IPv6-in-IPv4 tunnel backend
# Copyright (c) 2010-2015 OpenWrt.org
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
# Function taken from 6to4 package (6to4.sh), flipped returns
test_6in4_rfc1918()
{
local oIFS="$IFS"; IFS="."; set -- $1; IFS="$oIFS"
[ $1 -eq 10 ] && return 1
[ $1 -eq 192 ] && [ $2 -eq 168 ] && return 1
[ $1 -eq 172 ] && [ $2 -ge 16 ] && [ $2 -le 31 ] && return 1
# RFC 6598
[ $1 -eq 100 ] && [ $2 -ge 64 ] && [ $2 -le 127 ] && return 1
return 0
}
proto_6in4_update() {
sh -c '
timeout=5
(while [ $((timeout--)) -gt 0 ]; do
sleep 1
kill -0 $$ || exit 0
done; kill -9 $$) 2>/dev/null &
exec "$@"
' "$1" "$@"
}
proto_6in4_add_prefix() {
append "$3" "$1"
}
proto_6in4_setup() {
local cfg="$1"
local iface="$2"
local link="6in4-$cfg"
local remoteip
local mtu ttl tos ipaddr peeraddr ip6addr ip6prefix ip6prefixes tunlink tunnelid username password updatekey device nohostroute
json_get_vars mtu ttl tos ipaddr peeraddr ip6addr tunlink tunnelid username password updatekey device nohostroute
json_for_each_item proto_6in4_add_prefix ip6prefix ip6prefixes
[ -n "$device" ] && link="$device"
[ -z "$peeraddr" ] && {
proto_notify_error "$cfg" "MISSING_PEER_ADDRESS"
proto_block_restart "$cfg"
return
}
remoteip=$(resolveip -t 10 -4 "$peeraddr")
if [ -z "$remoteip" ]; then
proto_notify_error "$cfg" "PEER_RESOLVE_FAIL"
return
fi
for ip in $remoteip; do
peeraddr=$ip
break
done
if [ "${nohostroute}" != "1" ]; then
( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
fi
[ -z "$ipaddr" ] && {
local wanif="$tunlink"
if [ -z "$wanif" ] && ! network_find_wan wanif; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
if ! network_get_ipaddr ipaddr "$wanif"; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
}
proto_init_update "$link" 1
[ -n "$ip6addr" ] && {
local local6="${ip6addr%%/*}"
local mask6="${ip6addr##*/}"
[ "$local6" = "$mask6" ] && mask6=
proto_add_ipv6_address "$local6" "$mask6"
proto_add_ipv6_route "::" 0 "" "" "" "$local6/$mask6"
}
for ip6prefix in $ip6prefixes; do
proto_add_ipv6_prefix "$ip6prefix"
proto_add_ipv6_route "::" 0 "" "" "" "$ip6prefix"
done
proto_add_tunnel
json_add_string mode sit
json_add_int mtu "${mtu:-1280}"
json_add_int ttl "${ttl:-64}"
[ -n "$tos" ] && json_add_string tos "$tos"
json_add_string local "$ipaddr"
json_add_string remote "$peeraddr"
[ -n "$tunlink" ] && json_add_string link "$tunlink"
proto_close_tunnel
proto_send_update "$cfg"
[ -n "$tunnelid" -a -n "$username" -a \( -n "$password" -o -n "$updatekey" \) ] && {
[ -n "$updatekey" ] && password="$updatekey"
local http="http"
local urlget="uclient-fetch"
local urlget_opts="-qO-"
local ca_path="${SSL_CERT_DIR:-/etc/ssl/certs}"
[ -f /lib/libustream-ssl.so ] && http=https
[ "$http" = "https" -a -z "$(find $ca_path -name "*.0" 2>/dev/null)" ] && {
urlget_opts="$urlget_opts --no-check-certificate"
}
local url="$http://ipv4.tunnelbroker.net/nic/update?hostname=$tunnelid"
test_6in4_rfc1918 "$ipaddr" && {
local url="${url}&myip=${ipaddr}"
}
local try=0
local max=3
(
set -o pipefail
while [ $((++try)) -le $max ]; do
if proto_6in4_update $urlget $urlget_opts --user="$username" --password="$password" "$url" 2>&1 | \
sed -e 's,^Killed$,timeout,' -e "s,^,update $try/$max: ," | \
logger -t "$link";
then
logger -t "$link" "updated"
return 0
fi
sleep 5
done
logger -t "$link" "update failed"
)
}
}
proto_6in4_teardown() {
local cfg="$1"
}
proto_6in4_init_config() {
no_device=1
available=1
proto_config_add_string "ipaddr"
proto_config_add_string "ip6addr"
proto_config_add_array "ip6prefix"
proto_config_add_string "peeraddr"
proto_config_add_string "tunlink"
proto_config_add_string "tunnelid"
proto_config_add_string "username"
proto_config_add_string "password"
proto_config_add_string "updatekey"
proto_config_add_int "mtu"
proto_config_add_int "ttl"
proto_config_add_string "tos"
proto_config_add_string "device"
proto_config_add_boolean "nohostroute"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol 6in4
}

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#
# 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_RELEASE:=13
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
define Package/6rd
SECTION:=net
CATEGORY:=Network
DEPENDS:=@IPV6 +kmod-sit
TITLE:=6rd configuration support
MAINTAINER:=Steven Barth <cyrus@openwrt.org>
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/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))

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#!/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 df ttl tos ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink zone
json_get_vars mtu df ttl tos ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink zone
[ -z "$ip6prefix" -o -z "$peeraddr" ] && {
proto_notify_error "$cfg" "MISSING_ADDRESS"
proto_block_restart "$cfg"
return
}
( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
[ -z "$ipaddr" ] && {
local wanif="$tunlink"
if [ -z $wanif ] && ! network_find_wan wanif; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
if ! network_get_ipaddr ipaddr "$wanif"; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
}
# Determine the relay prefix.
local ip4prefixlen="${ip4prefixlen:-0}"
local ip4prefix IP PREFIX NETWORK NETMASK BROADCAST
ipcalc "$ipaddr/$ip4prefixlen" && ip4prefix="$NETWORK"
# Determine our IPv6 address.
local ip6subnet=$(6rdcalc "$ip6prefix/$ip6prefixlen" "$ipaddr/$ip4prefixlen")
local ip6addr="${ip6subnet%%::*}::1"
# Determine the IPv6 prefix
local ip6lanprefix="$ip6subnet/$(($ip6prefixlen + 32 - $ip4prefixlen))"
proto_init_update "$link" 1
proto_add_ipv6_address "$ip6addr" "$ip6prefixlen"
proto_add_ipv6_prefix "$ip6lanprefix"
proto_add_ipv6_route "::" 0 "::$peeraddr" 4096 "" "$ip6addr/$ip6prefixlen"
proto_add_ipv6_route "::" 0 "::$peeraddr" 4096 "" "$ip6lanprefix"
proto_add_tunnel
json_add_string mode sit
json_add_int mtu "${mtu:-1280}"
json_add_boolean df "${df:-1}"
json_add_int ttl "${ttl:-64}"
[ -n "$tos" ] && json_add_string tos "$tos"
json_add_string local "$ipaddr"
[ -n "$tunlink" ] && json_add_string link "$tunlink"
json_add_object 'data'
json_add_string prefix "$ip6prefix/$ip6prefixlen"
json_add_string relay-prefix "$ip4prefix/$ip4prefixlen"
json_close_object
proto_close_tunnel
proto_add_data
[ -n "$zone" ] && json_add_string zone "$zone"
proto_close_data
proto_send_update "$cfg"
}
proto_6rd_teardown() {
local cfg="$1"
}
proto_6rd_init_config() {
no_device=1
available=1
proto_config_add_int "mtu"
proto_config_add_boolean "df"
proto_config_add_int "ttl"
proto_config_add_string "tos"
proto_config_add_string "ipaddr"
proto_config_add_string "peeraddr"
proto_config_add_string "ip6prefix"
proto_config_add_string "ip6prefixlen"
proto_config_add_string "ip4prefixlen"
proto_config_add_string "tunlink"
proto_config_add_string "zone"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol 6rd
}

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/*
* 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 >> 3);
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;
}

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

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@@ -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_RELEASE:=13
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
define Package/6to4
SECTION:=net
CATEGORY:=Network
DEPENDS:=@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 https://openwrt.org/docs/guide-user/base-system/basic-networking
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))

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@@ -0,0 +1,98 @@
#!/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
}
proto_6to4_setup() {
local cfg="$1"
local iface="$2"
local link="6to4-$cfg"
local mtu ttl tos ipaddr
json_get_vars mtu ttl tos ipaddr
( 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_prefix "$prefix6::/48"
proto_add_ipv6_route "::" 0 "::192.88.99.1" "" "" "$local6/16"
proto_add_ipv6_route "::" 0 "::192.88.99.1" "" "" "$prefix6::/48"
proto_add_tunnel
json_add_string mode sit
json_add_int mtu "${mtu:-1280}"
json_add_int ttl "${ttl:-64}"
[ -n "$tos" ] && json_add_string tos "$tos"
json_add_string local "$ipaddr"
proto_close_tunnel
proto_send_update "$cfg"
}
proto_6to4_teardown() {
local cfg="$1"
}
proto_6to4_init_config() {
no_device=1
available=1
proto_config_add_string "ipaddr"
proto_config_add_int "mtu"
proto_config_add_int "ttl"
proto_config_add_string "tos"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol 6to4
}

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@@ -0,0 +1,42 @@
#
# Copyright (C) 2013 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:=ds-lite
PKG_RELEASE:=9
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
define Package/ds-lite
SECTION:=net
CATEGORY:=Network
DEPENDS:=@IPV6 +kmod-ip6-tunnel +resolveip
TITLE:=IPv4 over IPv6 (RFC2473 and DS-Lite) configuration support
MAINTAINER:=Steven Barth <steven@midlink.org>
PKGARCH:=all
endef
define Package/ds-lite/description
Provides support for IPv4 over IPv6 (RFC2473 and DS-Lite) 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/ds-lite/install
$(INSTALL_DIR) $(1)/lib/netifd/proto
$(INSTALL_BIN) ./files/dslite.sh $(1)/lib/netifd/proto/dslite.sh
endef
$(eval $(call BuildPackage,ds-lite))

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@@ -0,0 +1,143 @@
#!/bin/sh
# dslite.sh - IPv4-in-IPv6 tunnel backend for ipip6 and ds-lite
# Copyright (c) 2013 OpenWrt.org
# Copyright (c) 2013 Steven Barth <steven@midlink.org>
# Copyright (c) 2021 Kenji Uno <ku@digitaldolphins.jp>
# Copyright (c) 2024 Arayuki Mago <ms@missing233.com>
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
tnl_setup() {
local cfg="$1"
local iface="$2"
local tnl_type="$3"
local ip4addr="$4"
local ip4gateway="$5"
local link="$tnl_type-$cfg"
local remoteip6
local mtu ttl peeraddr ip6addr tunlink zone weakif encaplimit
json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif encaplimit
[ -z "$peeraddr" ] && {
proto_notify_error "$cfg" "MISSING_ADDRESS"
proto_block_restart "$cfg"
return
}
( proto_add_host_dependency "$cfg" "::" "$tunlink" )
remoteip6=$(resolveip -6 "$peeraddr")
if [ -z "$remoteip6" ]; then
sleep 3
remoteip6=$(resolveip -6 "$peeraddr")
if [ -z "$remoteip6" ]; then
proto_notify_error "$cfg" "AFTR_DNS_FAIL"
return
fi
fi
for ip6 in $remoteip6; do
peeraddr=$ip6
break
done
[ -z "$ip6addr" ] && {
local wanif="$tunlink"
if [ -z "$wanif" ] && ! network_find_wan6 wanif; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
if ! network_get_ipaddr6 ip6addr "$wanif"; then
[ -z "$weakif" ] && weakif="lan"
if ! network_get_ipaddr6 ip6addr "$weakif"; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
fi
}
proto_init_update "$link" 1
proto_add_ipv4_route "0.0.0.0" 0
proto_add_ipv4_address "$ip4addr" "" "" "$ip4gateway"
proto_add_tunnel
json_add_string mode ipip6
json_add_int mtu "${mtu:-1280}"
json_add_int ttl "${ttl:-64}"
json_add_string local "$ip6addr"
json_add_string remote "$peeraddr"
[ -n "$tunlink" ] && json_add_string link "$tunlink"
json_add_object "data"
[ -n "$encaplimit" ] && json_add_string encaplimit "$encaplimit"
json_close_object
proto_close_tunnel
proto_add_data
[ -n "$zone" ] && json_add_string zone "$zone"
if [ "$tnl_type" = "ds" ]; then
json_add_array firewall
json_add_object ""
json_add_string type nat
json_add_string target ACCEPT
json_close_object
json_close_array
fi
proto_close_data
proto_send_update "$cfg"
}
init_config() {
no_device=1
available=1
proto_config_add_string "ip6addr"
proto_config_add_string "peeraddr"
proto_config_add_string "tunlink"
proto_config_add_int "mtu"
proto_config_add_int "ttl"
proto_config_add_string "encaplimit"
proto_config_add_string "zone"
proto_config_add_string "weakif"
}
proto_ipip6_init_config() {
init_config
proto_config_add_string "ip4ifaddr"
}
proto_ipip6_setup() {
local ip4ifaddr
json_get_vars ip4ifaddr
tnl_setup "$1" "$2" "ipip6" "$ip4ifaddr" "0.0.0.0"
}
proto_ipip6_teardown() {
local cfg="$1"
}
proto_dslite_init_config() {
init_config
}
proto_dslite_setup() {
tnl_setup "$1" "$2" "ds" "192.0.0.2" "192.0.0.1"
}
proto_dslite_teardown() {
local cfg="$1"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol ipip6
add_protocol dslite
}

View File

@@ -0,0 +1,40 @@
#
# Copyright (C) 2014-2015 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:=map
PKG_RELEASE:=7
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/cmake.mk
define Package/map
SECTION:=net
CATEGORY:=Network
DEPENDS:=@IPV6 +kmod-ip6-tunnel +libubox +libubus +iptables-mod-conntrack-extra +kmod-nat46
TITLE:=MAP-E/MAP-T and Lightweight 4over6 configuration support
MAINTAINER:=Hans Dedecker <dedeckeh@gmail.com>
PROVIDES:=map-t
endef
define Package/map/description
Provides support for MAP-E (RFC7597), MAP-T (RFC7599) and
Lightweight 4over6 (RFC7596) in /etc/config/network.
MAP combines address and port translation with the tunneling
of IPv4 packets over an IPv6 network
endef
define Package/map/install
$(INSTALL_DIR) $(1)/lib/netifd/proto
$(INSTALL_BIN) ./files/map.sh $(1)/lib/netifd/proto/map.sh
$(INSTALL_DIR) $(1)/usr/sbin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/mapcalc $(1)/usr/sbin/
endef
$(eval $(call BuildPackage,map))

View File

@@ -0,0 +1,245 @@
#!/bin/sh
# map.sh - IPv4-in-IPv6 tunnel backend
#
# Author: Steven Barth <cyrus@openwrt.org>
# Copyright (c) 2014 cisco Systems, Inc.
#
# 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.
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
proto_map_setup() {
local cfg="$1"
local iface="$2"
local link="map-$cfg"
local maptype type legacymap mtu ttl tunlink zone encaplimit
local rule ipaddr ip4prefixlen ip6prefix ip6prefixlen peeraddr ealen psidlen psid offset
json_get_vars maptype type legacymap mtu ttl tunlink zone encaplimit
json_get_vars rule ipaddr ip4prefixlen ip6prefix ip6prefixlen peeraddr ealen psidlen psid offset
[ "$zone" = "-" ] && zone=""
# Compatibility with older config: use $type if $maptype is missing
[ -z "$maptype" ] && maptype="$type"
[ -z "$maptype" ] && maptype="map-e"
[ -z "$ip4prefixlen" ] && ip4prefixlen=32
( proto_add_host_dependency "$cfg" "::" "$tunlink" )
# fixme: handle RA/DHCPv6 address race for LW
[ "$maptype" = lw4o6 ] && sleep 5
if [ -z "$rule" ]; then
rule="type=$maptype,ipv6prefix=$ip6prefix,prefix6len=$ip6prefixlen,ipv4prefix=$ipaddr,prefix4len=$ip4prefixlen"
[ -n "$psid" ] && rule="$rule,psid=$psid"
[ -n "$psidlen" ] && rule="$rule,psidlen=$psidlen"
[ -n "$offset" ] && rule="$rule,offset=$offset"
[ -n "$ealen" ] && rule="$rule,ealen=$ealen"
if [ "$maptype" = "map-t" ]; then
rule="$rule,dmr=$peeraddr"
else
rule="$rule,br=$peeraddr"
fi
fi
echo "rule=$rule" > /tmp/map-$cfg.rules
RULE_DATA=$(LEGACY="$legacymap" mapcalc ${tunlink:-\*} $rule)
if [ "$?" != 0 ]; then
proto_notify_error "$cfg" "INVALID_MAP_RULE"
proto_block_restart "$cfg"
return
fi
echo "$RULE_DATA" >> /tmp/map-$cfg.rules
eval $RULE_DATA
if [ -z "$RULE_BMR" ]; then
proto_notify_error "$cfg" "NO_MATCHING_PD"
proto_block_restart "$cfg"
return
fi
k=$RULE_BMR
if [ "$maptype" = "lw4o6" -o "$maptype" = "map-e" ]; then
proto_init_update "$link" 1
proto_add_ipv4_address $(eval "echo \$RULE_${k}_IPV4ADDR") "" "" ""
proto_add_tunnel
json_add_string mode ipip6
json_add_int mtu "${mtu:-1280}"
json_add_int ttl "${ttl:-64}"
json_add_string local $(eval "echo \$RULE_${k}_IPV6ADDR")
json_add_string remote $(eval "echo \$RULE_${k}_BR")
json_add_string link $(eval "echo \$RULE_${k}_PD6IFACE")
json_add_object "data"
[ -n "$encaplimit" ] && json_add_string encaplimit "$encaplimit"
if [ "$maptype" = "map-e" ]; then
json_add_array "fmrs"
for i in $(seq $RULE_COUNT); do
[ "$(eval "echo \$RULE_${i}_FMR")" != 1 ] && continue
json_add_object ""
json_add_string prefix6 "$(eval "echo \$RULE_${i}_IPV6PREFIX")/$(eval "echo \$RULE_${i}_PREFIX6LEN")"
json_add_string prefix4 "$(eval "echo \$RULE_${i}_IPV4PREFIX")/$(eval "echo \$RULE_${i}_PREFIX4LEN")"
json_add_int ealen $(eval "echo \$RULE_${i}_EALEN")
json_add_int offset $(eval "echo \$RULE_${i}_OFFSET")
json_close_object
done
json_close_array
fi
json_close_object
proto_close_tunnel
elif [ "$maptype" = "map-t" -a -f "/proc/net/nat46/control" ]; then
proto_init_update "$link" 1
local style="MAP"
[ "$legacymap" = 1 ] && style="MAP0"
echo add $link > /proc/net/nat46/control
local cfgstr="local.style $style local.v4 $(eval "echo \$RULE_${k}_IPV4PREFIX")/$(eval "echo \$RULE_${k}_PREFIX4LEN")"
cfgstr="$cfgstr local.v6 $(eval "echo \$RULE_${k}_IPV6PREFIX")/$(eval "echo \$RULE_${k}_PREFIX6LEN")"
cfgstr="$cfgstr local.ea-len $(eval "echo \$RULE_${k}_EALEN") local.psid-offset $(eval "echo \$RULE_${k}_OFFSET")"
cfgstr="$cfgstr remote.v4 0.0.0.0/0 remote.v6 $(eval "echo \$RULE_${k}_DMR") remote.style RFC6052 remote.ea-len 0 remote.psid-offset 0"
echo config $link $cfgstr > /proc/net/nat46/control
for i in $(seq $RULE_COUNT); do
[ "$(eval "echo \$RULE_${i}_FMR")" != 1 ] && continue
local cfgstr="remote.style $style remote.v4 $(eval "echo \$RULE_${i}_IPV4PREFIX")/$(eval "echo \$RULE_${i}_PREFIX4LEN")"
cfgstr="$cfgstr remote.v6 $(eval "echo \$RULE_${i}_IPV6PREFIX")/$(eval "echo \$RULE_${i}_PREFIX6LEN")"
cfgstr="$cfgstr remote.ea-len $(eval "echo \$RULE_${i}_EALEN") remote.psid-offset $(eval "echo \$RULE_${i}_OFFSET")"
echo insert $link $cfgstr > /proc/net/nat46/control
done
else
proto_notify_error "$cfg" "UNSUPPORTED_TYPE"
proto_block_restart "$cfg"
fi
proto_add_ipv4_route "0.0.0.0" 0
proto_add_data
[ -n "$zone" ] && json_add_string zone "$zone"
json_add_array firewall
if [ -z "$(eval "echo \$RULE_${k}_PORTSETS")" ]; then
json_add_object ""
json_add_string type nat
json_add_string target SNAT
json_add_string family inet
json_add_string snat_ip $(eval "echo \$RULE_${k}_IPV4ADDR")
json_close_object
else
for portset in $(eval "echo \$RULE_${k}_PORTSETS"); do
for proto in icmp tcp udp; do
json_add_object ""
json_add_string type nat
json_add_string target SNAT
json_add_string family inet
json_add_string proto "$proto"
json_add_boolean connlimit_ports 1
json_add_string snat_ip $(eval "echo \$RULE_${k}_IPV4ADDR")
json_add_string snat_port "$portset"
json_close_object
done
done
fi
if [ "$maptype" = "map-t" ]; then
[ -z "$zone" ] && zone=$(fw3 -q network $iface 2>/dev/null)
[ -n "$zone" ] && {
json_add_object ""
json_add_string type rule
json_add_string family inet6
json_add_string proto all
json_add_string direction in
json_add_string dest "$zone"
json_add_string src "$zone"
json_add_string src_ip $(eval "echo \$RULE_${k}_IPV6ADDR")
json_add_string target ACCEPT
json_close_object
json_add_object ""
json_add_string type rule
json_add_string family inet6
json_add_string proto all
json_add_string direction out
json_add_string dest "$zone"
json_add_string src "$zone"
json_add_string dest_ip $(eval "echo \$RULE_${k}_IPV6ADDR")
json_add_string target ACCEPT
json_close_object
}
proto_add_ipv6_route $(eval "echo \$RULE_${k}_IPV6ADDR") 128
fi
json_close_array
proto_close_data
proto_send_update "$cfg"
if [ "$maptype" = "lw4o6" -o "$maptype" = "map-e" ]; then
json_init
json_add_string name "${cfg}_"
json_add_string ifname "@$(eval "echo \$RULE_${k}_PD6IFACE")"
json_add_string proto "static"
json_add_array ip6addr
json_add_string "" "$(eval "echo \$RULE_${k}_IPV6ADDR")"
json_close_array
json_close_object
ubus call network add_dynamic "$(json_dump)"
fi
}
proto_map_teardown() {
local cfg="$1"
local link="map-$cfg"
json_get_var type type
[ -z "$maptype" ] && maptype="$type"
[ -z "$maptype" ] && maptype="map-e"
case "$maptype" in
"map-e"|"lw4o6") ifdown "${cfg}_" ;;
"map-t") [ -f "/proc/net/nat46/control" ] && echo del $link > /proc/net/nat46/control ;;
esac
rm -f /tmp/map-$cfg.rules
}
proto_map_init_config() {
no_device=1
available=1
proto_config_add_string "maptype"
proto_config_add_string "rule"
proto_config_add_string "ipaddr"
proto_config_add_int "ip4prefixlen"
proto_config_add_string "ip6prefix"
proto_config_add_int "ip6prefixlen"
proto_config_add_string "peeraddr"
proto_config_add_int "ealen"
proto_config_add_int "psidlen"
proto_config_add_int "psid"
proto_config_add_int "offset"
proto_config_add_boolean "legacymap"
proto_config_add_string "tunlink"
proto_config_add_int "mtu"
proto_config_add_int "ttl"
proto_config_add_string "zone"
proto_config_add_string "encaplimit"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol map
}

View File

@@ -0,0 +1,29 @@
cmake_minimum_required(VERSION 2.8.1)
project(mapcalc C)
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -std=c99")
FIND_PATH(ubus_include_dir libubus.h)
INCLUDE_DIRECTORIES(${ubus_include_dir})
add_definitions(-D_GNU_SOURCE -Wall -Wno-gnu -Wextra)
add_executable(mapcalc mapcalc.c)
target_link_libraries(mapcalc ubus ubox)
install(TARGETS mapcalc DESTINATION sbin/)
# Packaging rules
set(CPACK_PACKAGE_VERSION "1")
set(CPACK_PACKAGE_CONTACT "Steven Barth <steven@midlink.org>")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "hnetd")
set(CPACK_GENERATOR "DEB;RPM;STGZ")
set(CPACK_STRIP_FILES true)
SET(CPACK_DEBIAN_PACKAGE_VERSION ${CPACK_PACKAGE_VERSION})
set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}_${CPACK_DEBIAN_PACKAGE_VERSION}")
include(CPack)

View File

@@ -0,0 +1,418 @@
/*
* mapcalc - MAP parameter calculation
*
* Author: Steven Barth <cyrus@openwrt.org>
* Copyright (c) 2014-2015 cisco Systems, Inc.
* Copyright (c) 2015 Steven Barth <cyrus@openwrt.org>
* Copyright (c) 2018 Hans Dedecker <dedeckeh@gmail.com>
*
* 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 <stdlib.h>
#include <stdio.h>
#include <arpa/inet.h>
#include <errno.h>
#include <libubus.h>
#include <libubox/utils.h>
struct blob_attr *dump = NULL;
enum {
DUMP_ATTR_INTERFACE,
DUMP_ATTR_MAX
};
static const struct blobmsg_policy dump_attrs[DUMP_ATTR_MAX] = {
[DUMP_ATTR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_ARRAY },
};
enum {
IFACE_ATTR_INTERFACE,
IFACE_ATTR_PREFIX,
IFACE_ATTR_ADDRESS,
IFACE_ATTR_MAX,
};
static const struct blobmsg_policy iface_attrs[IFACE_ATTR_MAX] = {
[IFACE_ATTR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
[IFACE_ATTR_PREFIX] = { .name = "ipv6-prefix", .type = BLOBMSG_TYPE_ARRAY },
[IFACE_ATTR_ADDRESS] = { .name = "ipv6-address", .type = BLOBMSG_TYPE_ARRAY },
};
enum {
PREFIX_ATTR_ADDRESS,
PREFIX_ATTR_MASK,
PREFIX_ATTR_MAX,
};
static const struct blobmsg_policy prefix_attrs[PREFIX_ATTR_MAX] = {
[PREFIX_ATTR_ADDRESS] = { .name = "address", .type = BLOBMSG_TYPE_STRING },
[PREFIX_ATTR_MASK] = { .name = "mask", .type = BLOBMSG_TYPE_INT32 },
};
static int bmemcmp(const void *av, const void *bv, size_t bits)
{
const uint8_t *a = av, *b = bv;
size_t bytes = bits / 8;
bits %= 8;
int res = memcmp(a, b, bytes);
if (res == 0 && bits > 0)
res = (a[bytes] >> (8 - bits)) - (b[bytes] >> (8 - bits));
return res;
}
static void bmemcpy(void *av, const void *bv, size_t bits)
{
uint8_t *a = av;
const uint8_t *b = bv;
size_t bytes = bits / 8;
bits %= 8;
memcpy(a, b, bytes);
if (bits > 0) {
uint8_t mask = (1 << (8 - bits)) - 1;
a[bytes] = (a[bytes] & mask) | ((~mask) & b[bytes]);
}
}
static void bmemcpys64(void *av, const void *bv, size_t frombits, size_t nbits)
{
uint64_t buf = 0;
const uint8_t *b = bv;
size_t frombyte = frombits / 8, tobyte = (frombits + nbits) / 8;
memcpy(&buf, &b[frombyte], tobyte - frombyte + 1);
buf = cpu_to_be64(be64_to_cpu(buf) << (frombits % 8));
bmemcpy(av, &buf, nbits);
}
static void handle_dump(struct ubus_request *req __attribute__((unused)),
int type __attribute__((unused)), struct blob_attr *msg)
{
struct blob_attr *tb[DUMP_ATTR_INTERFACE];
blobmsg_parse(dump_attrs, DUMP_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
if (!tb[DUMP_ATTR_INTERFACE])
return;
dump = blob_memdup(tb[DUMP_ATTR_INTERFACE]);
}
static void match_prefix(int *pdlen, struct in6_addr *pd, struct blob_attr *cur,
const struct in6_addr *ipv6prefix, int prefix6len, bool lw4o6)
{
struct blob_attr *d;
unsigned drem;
if (!cur || blobmsg_type(cur) != BLOBMSG_TYPE_ARRAY || !blobmsg_check_attr(cur, false))
return;
blobmsg_for_each_attr(d, cur, drem) {
struct blob_attr *ptb[PREFIX_ATTR_MAX];
blobmsg_parse(prefix_attrs, PREFIX_ATTR_MAX, ptb,
blobmsg_data(d), blobmsg_data_len(d));
if (!ptb[PREFIX_ATTR_ADDRESS] || !ptb[PREFIX_ATTR_MASK])
continue;
struct in6_addr prefix = IN6ADDR_ANY_INIT;
int mask = blobmsg_get_u32(ptb[PREFIX_ATTR_MASK]);
inet_pton(AF_INET6, blobmsg_get_string(ptb[PREFIX_ATTR_ADDRESS]), &prefix);
// lw4over6 /128-address-as-PD matching madness workaround
if (lw4o6 && mask == 128)
mask = 64;
if (*pdlen < mask && mask >= prefix6len &&
!bmemcmp(&prefix, ipv6prefix, prefix6len)) {
bmemcpy(pd, &prefix, mask);
*pdlen = mask;
} else if (lw4o6 && *pdlen < prefix6len && mask < prefix6len &&
!bmemcmp(&prefix, ipv6prefix, mask)) {
bmemcpy(pd, ipv6prefix, prefix6len);
*pdlen = prefix6len;
}
}
}
enum {
OPT_TYPE,
OPT_FMR,
OPT_EALEN,
OPT_PREFIX4LEN,
OPT_PREFIX6LEN,
OPT_IPV6PREFIX,
OPT_IPV4PREFIX,
OPT_OFFSET,
OPT_PSIDLEN,
OPT_PSID,
OPT_BR,
OPT_DMR,
OPT_PD,
OPT_PDLEN,
OPT_MAX
};
static char *const token[] = {
[OPT_TYPE] = "type",
[OPT_FMR] = "fmr",
[OPT_EALEN] = "ealen",
[OPT_PREFIX4LEN] = "prefix4len",
[OPT_PREFIX6LEN] = "prefix6len",
[OPT_IPV6PREFIX] = "ipv6prefix",
[OPT_IPV4PREFIX] = "ipv4prefix",
[OPT_OFFSET] = "offset",
[OPT_PSIDLEN] = "psidlen",
[OPT_PSID] = "psid",
[OPT_BR] = "br",
[OPT_DMR] = "dmr",
[OPT_PD] = "pd",
[OPT_PDLEN] = "pdlen",
[OPT_MAX] = NULL
};
int main(int argc, char *argv[])
{
int status = 0;
const char *iface = argv[1];
const char *legacy_env = getenv("LEGACY");
bool legacy = legacy_env && atoi(legacy_env);
if (argc < 3) {
fprintf(stderr, "Usage: %s <interface|*> <rule1> [rule2] [...]\n", argv[0]);
return 1;
}
uint32_t network_interface;
struct ubus_context *ubus = ubus_connect(NULL);
if (ubus) {
ubus_lookup_id(ubus, "network.interface", &network_interface);
ubus_invoke(ubus, network_interface, "dump", NULL, handle_dump, NULL, 5000);
}
int rulecnt = 0;
for (int i = 2; i < argc; ++i) {
bool lw4o6 = false;
bool fmr = false;
int ealen = -1;
int addr4len = 32;
int prefix4len = 32;
int prefix6len = -1;
int pdlen = -1;
struct in_addr ipv4prefix = {INADDR_ANY};
struct in_addr ipv4addr = {INADDR_ANY};
struct in6_addr ipv6addr = IN6ADDR_ANY_INIT;
struct in6_addr ipv6prefix = IN6ADDR_ANY_INIT;
struct in6_addr pd = IN6ADDR_ANY_INIT;
int offset = -1;
int psidlen = -1;
int psid = -1;
uint16_t psid16 = 0;
const char *dmr = NULL;
const char *br = NULL;
for (char *rule = strdup(argv[i]); *rule; ) {
char *value;
int intval;
int idx = getsubopt(&rule, token, &value);
errno = 0;
if (idx == OPT_TYPE) {
lw4o6 = (value && !strcmp(value, "lw4o6"));
} else if (idx == OPT_FMR) {
fmr = true;
} else if (idx == OPT_EALEN && (intval = strtoul(value, NULL, 0)) <= 48 && !errno) {
ealen = intval;
} else if (idx == OPT_PREFIX4LEN && (intval = strtoul(value, NULL, 0)) <= 32 && !errno) {
prefix4len = intval;
} else if (idx == OPT_PREFIX6LEN && (intval = strtoul(value, NULL, 0)) <= 128 && !errno) {
prefix6len = intval;
} else if (idx == OPT_IPV4PREFIX && inet_pton(AF_INET, value, &ipv4prefix) == 1) {
// dummy
} else if (idx == OPT_IPV6PREFIX && inet_pton(AF_INET6, value, &ipv6prefix) == 1) {
// dummy
} else if (idx == OPT_PD && inet_pton(AF_INET6, value, &pd) == 1) {
// dummy
} else if (idx == OPT_OFFSET && (intval = strtoul(value, NULL, 0)) <= 16 && !errno) {
offset = intval;
} else if (idx == OPT_PSIDLEN && (intval = strtoul(value, NULL, 0)) <= 16 && !errno) {
psidlen = intval;
} else if (idx == OPT_PDLEN && (intval = strtoul(value, NULL, 0)) <= 128 && !errno) {
pdlen = intval;
} else if (idx == OPT_PSID && (intval = strtoul(value, NULL, 0)) <= 65535 && !errno) {
psid = intval;
} else if (idx == OPT_DMR) {
dmr = value;
} else if (idx == OPT_BR) {
br = value;
} else {
if (idx == -1 || idx >= OPT_MAX)
fprintf(stderr, "Skipped invalid option: %s\n", value);
else
fprintf(stderr, "Skipped invalid value %s for option %s\n",
value, token[idx]);
}
}
if (offset < 0)
offset = (lw4o6) ? 0 : (legacy) ? 4 : 6;
// LW4over6 doesn't have an EALEN and has no psid-autodetect
if (lw4o6) {
if (psidlen < 0)
psidlen = 0;
ealen = psidlen;
}
// Find PD
if (pdlen < 0) {
struct blob_attr *c;
unsigned rem;
blobmsg_for_each_attr(c, dump, rem) {
struct blob_attr *tb[IFACE_ATTR_MAX];
blobmsg_parse(iface_attrs, IFACE_ATTR_MAX, tb, blobmsg_data(c), blobmsg_data_len(c));
if (!tb[IFACE_ATTR_INTERFACE] || (strcmp(argv[1], "*") && strcmp(argv[1],
blobmsg_get_string(tb[IFACE_ATTR_INTERFACE]))))
continue;
match_prefix(&pdlen, &pd, tb[IFACE_ATTR_PREFIX], &ipv6prefix, prefix6len, lw4o6);
if (lw4o6)
match_prefix(&pdlen, &pd, tb[IFACE_ATTR_ADDRESS], &ipv6prefix, prefix6len, lw4o6);
if (pdlen >= 0) {
iface = blobmsg_get_string(tb[IFACE_ATTR_INTERFACE]);
break;
}
}
}
if (ealen < 0 && pdlen >= 0)
ealen = pdlen - prefix6len;
if (psidlen <= 0) {
psidlen = ealen - (32 - prefix4len);
if (psidlen < 0)
psidlen = 0;
psid = -1;
}
if (prefix4len < 0 || prefix6len < 0 || ealen < 0 || psidlen > 16 || ealen < psidlen) {
fprintf(stderr, "Skipping invalid or incomplete rule: %s\n", argv[i]);
status = 1;
continue;
}
if (psid < 0 && psidlen >= 0 && pdlen >= 0) {
bmemcpys64(&psid16, &pd, prefix6len + ealen - psidlen, psidlen);
psid = be16_to_cpu(psid16);
}
if (psidlen > 0) {
psid = psid >> (16 - psidlen);
psid16 = cpu_to_be16(psid);
psid = psid << (16 - psidlen);
}
if (pdlen >= 0 || ealen == psidlen) {
bmemcpys64(&ipv4addr, &pd, prefix6len, ealen - psidlen);
ipv4addr.s_addr = htonl(ntohl(ipv4addr.s_addr) >> prefix4len);
bmemcpy(&ipv4addr, &ipv4prefix, prefix4len);
if (prefix4len + ealen < 32)
addr4len = prefix4len + ealen;
}
if (pdlen < 0 && !fmr) {
fprintf(stderr, "Skipping non-FMR without matching PD: %s\n", argv[i]);
status = 1;
continue;
} else if (pdlen >= 0) {
size_t v4offset = (legacy) ? 9 : 10;
memcpy(&ipv6addr.s6_addr[v4offset], &ipv4addr, 4);
memcpy(&ipv6addr.s6_addr[v4offset + 4], &psid16, 2);
bmemcpy(&ipv6addr, &pd, pdlen);
}
++rulecnt;
char ipv4addrbuf[INET_ADDRSTRLEN];
char ipv4prefixbuf[INET_ADDRSTRLEN];
char ipv6prefixbuf[INET6_ADDRSTRLEN];
char ipv6addrbuf[INET6_ADDRSTRLEN];
char pdbuf[INET6_ADDRSTRLEN];
inet_ntop(AF_INET, &ipv4addr, ipv4addrbuf, sizeof(ipv4addrbuf));
inet_ntop(AF_INET, &ipv4prefix, ipv4prefixbuf, sizeof(ipv4prefixbuf));
inet_ntop(AF_INET6, &ipv6prefix, ipv6prefixbuf, sizeof(ipv6prefixbuf));
inet_ntop(AF_INET6, &ipv6addr, ipv6addrbuf, sizeof(ipv6addrbuf));
inet_ntop(AF_INET6, &pd, pdbuf, sizeof(pdbuf));
printf("RULE_%d_FMR=%d\n", rulecnt, fmr);
printf("RULE_%d_EALEN=%d\n", rulecnt, ealen);
printf("RULE_%d_PSIDLEN=%d\n", rulecnt, psidlen);
printf("RULE_%d_OFFSET=%d\n", rulecnt, offset);
printf("RULE_%d_PREFIX4LEN=%d\n", rulecnt, prefix4len);
printf("RULE_%d_PREFIX6LEN=%d\n", rulecnt, prefix6len);
printf("RULE_%d_IPV4PREFIX=%s\n", rulecnt, ipv4prefixbuf);
printf("RULE_%d_IPV6PREFIX=%s\n", rulecnt, ipv6prefixbuf);
if (pdlen >= 0) {
printf("RULE_%d_IPV6PD=%s\n", rulecnt, pdbuf);
printf("RULE_%d_PD6LEN=%d\n", rulecnt, pdlen);
printf("RULE_%d_PD6IFACE=%s\n", rulecnt, iface);
printf("RULE_%d_IPV6ADDR=%s\n", rulecnt, ipv6addrbuf);
printf("RULE_BMR=%d\n", rulecnt);
}
if (ipv4addr.s_addr) {
printf("RULE_%d_IPV4ADDR=%s\n", rulecnt, ipv4addrbuf);
printf("RULE_%d_ADDR4LEN=%d\n", rulecnt, addr4len);
}
if (psidlen > 0 && psid >= 0) {
printf("RULE_%d_PORTSETS='", rulecnt);
for (int k = (offset) ? 1 : 0; k < (1 << offset); ++k) {
int start = (k << (16 - offset)) | (psid >> offset);
int end = start + (1 << (16 - offset - psidlen)) - 1;
if (start == 0)
start = 1;
if (start <= end)
printf("%d-%d ", start, end);
}
printf("'\n");
}
if (dmr)
printf("RULE_%d_DMR=%s\n", rulecnt, dmr);
if (br)
printf("RULE_%d_BR=%s\n", rulecnt, br);
}
printf("RULE_COUNT=%d\n", rulecnt);
return status;
}

View File

@@ -0,0 +1,60 @@
#
# Copyright (C) 2012-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=odhcp6c
PKG_RELEASE:=1
PKG_SOURCE_PROTO:=git
PKG_SOURCE_URL=$(PROJECT_GIT)/project/odhcp6c.git
PKG_SOURCE_DATE:=2024-09-25
PKG_SOURCE_VERSION:=b6ae9ffaeb0e18e9fa3d5be62faa8d3c9f340a58
PKG_MIRROR_HASH:=25499b6a0d403815e6b04869a02d2d5a32582348bff2bc2626559d297425a908
PKG_MAINTAINER:=Hans Dedecker <dedeckeh@gmail.com>
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/cmake.mk
CMAKE_OPTIONS += \
-DUSE_LIBUBOX=on
ifneq ($(CONFIG_PACKAGE_odhcp6c_ext_cer_id),0)
CMAKE_OPTIONS += -DEXT_CER_ID=$(CONFIG_PACKAGE_odhcp6c_ext_cer_id)
endif
define Package/odhcp6c
SECTION:=net
CATEGORY:=Network
TITLE:=Embedded DHCPv6-client for OpenWrt
DEPENDS:=@IPV6 +libubox
endef
define Package/odhcp6c/config
config PACKAGE_odhcp6c_ext_cer_id
int "CER-ID Extension ID (0 = disabled)"
depends on PACKAGE_odhcp6c
default 0
endef
define Package/odhcp6c/conffiles
/etc/odhcp6c.user
/etc/odhcp6c.user.d/
endef
define Package/odhcp6c/install
$(INSTALL_DIR) $(1)/usr/sbin/
$(INSTALL_BIN) $(PKG_BUILD_DIR)/odhcp6c $(1)/usr/sbin/
$(INSTALL_DIR) $(1)/lib/netifd/proto
$(INSTALL_BIN) ./files/dhcpv6.sh $(1)/lib/netifd/proto/dhcpv6.sh
$(INSTALL_BIN) ./files/dhcpv6.script $(1)/lib/netifd/
$(INSTALL_DIR) $(1)/etc/odhcp6c.user.d/
$(INSTALL_CONF) ./files/odhcp6c.user $(1)/etc/
endef
$(eval $(call BuildPackage,odhcp6c))

View File

@@ -0,0 +1,244 @@
#!/bin/sh
[ -z "$2" ] && echo "Error: should be run by odhcpc6c" && exit 1
. /lib/functions.sh
. /lib/netifd/netifd-proto.sh
setup_interface () {
local device="$1"
local prefsig=""
local addrsig=""
# Apply IPv6 / ND configuration
HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
[ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
[ -n "$RA_MTU" ] && [ "$RA_MTU" -ge 1280 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu 2>/dev/null
[ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
[ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
proto_init_update "*" 1
# Merge RA-DNS
for radns in $RA_DNS; do
local duplicate=0
for dns in $RDNSS; do
[ "$radns" = "$dns" ] && duplicate=1
done
[ "$duplicate" = 0 ] && RDNSS="$RDNSS $radns"
done
for dns in $RDNSS; do
proto_add_dns_server "$dns"
done
for radomain in $RA_DOMAINS; do
local duplicate=0
for domain in $DOMAINS; do
[ "$radomain" = "$domain" ] && duplicate=1
done
[ "$duplicate" = 0 ] && DOMAINS="$DOMAINS $radomain"
done
for domain in $DOMAINS; do
proto_add_dns_search "$domain"
done
for prefix in $PREFIXES; do
proto_add_ipv6_prefix "$prefix"
prefsig="$prefsig ${prefix%%,*}"
local entry="${prefix#*/}"
entry="${entry#*,}"
entry="${entry#*,}"
local valid="${entry%%,*}"
if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
RA_ROUTES="::/0,$SERVER,$valid,4096"
fi
done
for prefix in $USERPREFIX; do
proto_add_ipv6_prefix "$prefix"
done
# Merge addresses
for entry in $RA_ADDRESSES; do
local duplicate=0
local addr="${entry%%/*}"
for dentry in $ADDRESSES; do
local daddr="${dentry%%/*}"
[ "$addr" = "$daddr" ] && duplicate=1
done
[ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
done
for entry in $ADDRESSES; do
local addr="${entry%%/*}"
entry="${entry#*/}"
local mask="${entry%%,*}"
entry="${entry#*,}"
local preferred="${entry%%,*}"
entry="${entry#*,}"
local valid="${entry%%,*}"
proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
addrsig="$addrsig $addr/$mask"
if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
RA_ROUTES="::/0,$SERVER,$valid,4096"
fi
# RFC 7278
if [ "$mask" -eq 64 -a -z "$PREFIXES" -a -n "$EXTENDPREFIX" ]; then
proto_add_ipv6_prefix "$addr/$mask,$preferred,$valid"
local raroutes=""
for route in $RA_ROUTES; do
local prefix="${route%%/*}"
local entry="${route#*/}"
local pmask="${entry%%,*}"
entry="${entry#*,}"
local gw="${entry%%,*}"
[ -z "$gw" -a "$mask" = "$pmask" ] && {
case "$addr" in
"${prefix%*::}"*) continue;;
esac
}
raroutes="$raroutes $route"
done
RA_ROUTES="$raroutes"
fi
done
for entry in $RA_ROUTES; do
local duplicate=$NOSOURCEFILTER
local addr="${entry%%/*}"
entry="${entry#*/}"
local mask="${entry%%,*}"
entry="${entry#*,}"
local gw="${entry%%,*}"
entry="${entry#*,}"
local valid="${entry%%,*}"
entry="${entry#*,}"
local metric="${entry%%,*}"
for xentry in $RA_ROUTES; do
local xprefix="${xentry%%,*}"
xentry="${xentry#*,}"
local xgw="${xentry%%,*}"
[ -n "$gw" -a -z "$xgw" -a "$addr/$mask" = "$xprefix" ] && duplicate=1
done
if [ -z "$gw" -o "$duplicate" = 1 ]; then
proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
else
for prefix in $PREFIXES $ADDRESSES; do
local paddr="${prefix%%,*}"
proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
done
fi
done
proto_add_data
[ -n "$CER" ] && json_add_string cer "$CER"
[ -n "$PASSTHRU" ] && json_add_string passthru "$PASSTHRU"
[ -n "$ZONE" ] && json_add_string zone "$ZONE"
proto_close_data
proto_send_update "$INTERFACE"
MAPTYPE=""
MAPRULE=""
if [ -n "$MAPE" -a -f /lib/netifd/proto/map.sh ]; then
MAPTYPE="map-e"
MAPRULE="$MAPE"
elif [ -n "$MAPT" -a -f /lib/netifd/proto/map.sh -a -f /proc/net/nat46/control ]; then
MAPTYPE="map-t"
MAPRULE="$MAPT"
elif [ -n "$LW4O6" -a -f /lib/netifd/proto/map.sh ]; then
MAPTYPE="lw4o6"
MAPRULE="$LW4O6"
fi
[ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE 2>/dev/null)
if [ "$IFACE_MAP" != 0 -a -n "$MAPTYPE" -a -n "$MAPRULE" ]; then
[ -z "$IFACE_MAP" -o "$IFACE_MAP" = 1 ] && IFACE_MAP=${INTERFACE}_4
json_init
json_add_string name "$IFACE_MAP"
json_add_string ifname "@$INTERFACE"
json_add_string proto map
json_add_string type "$MAPTYPE"
json_add_string _prefsig "$prefsig"
[ "$MAPTYPE" = lw4o6 ] && json_add_string _addrsig "$addrsig"
json_add_string rule "$MAPRULE"
json_add_string tunlink "$INTERFACE"
[ -n "$ZONE_MAP" ] || ZONE_MAP=$ZONE
[ -n "$ZONE_MAP" ] && json_add_string zone "$ZONE_MAP"
[ -n "$ENCAPLIMIT_MAP" ] && json_add_string encaplimit "$ENCAPLIMIT_MAP"
[ -n "$IFACE_MAP_DELEGATE" ] && json_add_boolean delegate "$IFACE_MAP_DELEGATE"
json_close_object
ubus call network add_dynamic "$(json_dump)"
elif [ -n "$AFTR" -a "$IFACE_DSLITE" != 0 -a -f /lib/netifd/proto/dslite.sh ]; then
[ -z "$IFACE_DSLITE" -o "$IFACE_DSLITE" = 1 ] && IFACE_DSLITE=${INTERFACE}_4
json_init
json_add_string name "$IFACE_DSLITE"
json_add_string ifname "@$INTERFACE"
json_add_string proto "dslite"
json_add_string peeraddr "$AFTR"
json_add_string tunlink "$INTERFACE"
[ -n "$ZONE_DSLITE" ] || ZONE_DSLITE=$ZONE
[ -n "$ZONE_DSLITE" ] && json_add_string zone "$ZONE_DSLITE"
[ -n "$ENCAPLIMIT_DSLITE" ] && json_add_string encaplimit "$ENCAPLIMIT_DSLITE"
[ -n "$IFACE_DSLITE_DELEGATE" ] && json_add_boolean delegate "$IFACE_DSLITE_DELEGATE"
json_close_object
ubus call network add_dynamic "$(json_dump)"
elif [ "$IFACE_464XLAT" != 0 -a -f /lib/netifd/proto/464xlat.sh ]; then
[ -z "$IFACE_464XLAT" -o "$IFACE_464XLAT" = 1 ] && IFACE_464XLAT=${INTERFACE}_4
json_init
json_add_string name "$IFACE_464XLAT"
json_add_string ifname "@$INTERFACE"
json_add_string proto "464xlat"
json_add_string tunlink "$INTERFACE"
json_add_string _addrsig "$addrsig"
[ -n "$ZONE_464XLAT" ] || ZONE_464XLAT=$ZONE
[ -n "$ZONE_464XLAT" ] && json_add_string zone "$ZONE_464XLAT"
[ -n "$IFACE_464XLAT_DELEGATE" ] && json_add_boolean delegate "$IFACE_464XLAT_DELEGATE"
json_close_object
ubus call network add_dynamic "$(json_dump)"
fi
# TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
}
teardown_interface() {
proto_init_update "*" 0
proto_send_update "$INTERFACE"
}
case "$2" in
bound)
teardown_interface "$1"
setup_interface "$1"
;;
informed|updated|rebound)
setup_interface "$1"
;;
ra-updated)
[ -n "$ADDRESSES$RA_ADDRESSES$PREFIXES$USERPREFIX" ] && setup_interface "$1"
;;
started|stopped|unbound)
teardown_interface "$1"
;;
esac
# user rules
[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user "$@"
for f in /etc/odhcp6c.user.d/*; do
[ -f "$f" ] && (. "$f" "$@")
done
exit 0

View File

@@ -0,0 +1,144 @@
#!/bin/sh
. /lib/functions.sh
. ../netifd-proto.sh
init_proto "$@"
proto_dhcpv6_init_config() {
renew_handler=1
proto_config_add_string 'reqaddress:or("try","force","none")'
proto_config_add_string 'reqprefix:or("auto","no",range(0, 64))'
proto_config_add_string clientid
proto_config_add_string 'reqopts:list(uinteger)'
proto_config_add_string 'defaultreqopts:bool'
proto_config_add_string 'noslaaconly:bool'
proto_config_add_string 'forceprefix:bool'
proto_config_add_string 'extendprefix:bool'
proto_config_add_string 'norelease:bool'
proto_config_add_string 'noserverunicast:bool'
proto_config_add_string 'noclientfqdn:bool'
proto_config_add_string 'noacceptreconfig:bool'
proto_config_add_array 'ip6prefix:list(ip6addr)'
proto_config_add_string iface_dslite
proto_config_add_string zone_dslite
proto_config_add_string encaplimit_dslite
proto_config_add_string iface_map
proto_config_add_string zone_map
proto_config_add_string encaplimit_map
proto_config_add_string iface_464xlat
proto_config_add_string zone_464xlat
proto_config_add_string zone
proto_config_add_string 'ifaceid:ip6addr'
proto_config_add_string "userclass"
proto_config_add_string "vendorclass"
proto_config_add_array "sendopts:list(string)"
proto_config_add_boolean delegate
proto_config_add_int skpriority
proto_config_add_int "soltimeout"
proto_config_add_boolean fakeroutes
proto_config_add_boolean sourcefilter
proto_config_add_boolean keep_ra_dnslifetime
proto_config_add_int "ra_holdoff"
proto_config_add_boolean verbose
}
proto_dhcpv6_add_prefix() {
append "$3" "$1"
}
proto_dhcpv6_add_sendopts() {
[ -n "$1" ] && append "$3" "-x$1"
}
proto_dhcpv6_setup() {
local config="$1"
local iface="$2"
local reqaddress reqprefix clientid reqopts defaultreqopts noslaaconly forceprefix extendprefix norelease noserverunicast noclientfqdn noacceptreconfig ip6prefix ip6prefixes iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass sendopts delegate zone_dslite zone_map zone_464xlat zone encaplimit_dslite encaplimit_map skpriority soltimeout fakeroutes sourcefilter keep_ra_dnslifetime ra_holdoff verbose
json_get_vars reqaddress reqprefix clientid reqopts defaultreqopts noslaaconly forceprefix extendprefix norelease noserverunicast noclientfqdn noacceptreconfig iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone encaplimit_dslite encaplimit_map skpriority soltimeout fakeroutes sourcefilter keep_ra_dnslifetime ra_holdoff verbose
json_for_each_item proto_dhcpv6_add_prefix ip6prefix ip6prefixes
# Configure
local opts=""
[ -n "$reqaddress" ] && append opts "-N$reqaddress"
[ -z "$reqprefix" -o "$reqprefix" = "auto" ] && reqprefix=0
[ "$reqprefix" != "no" ] && append opts "-P$reqprefix"
[ -n "$clientid" ] && append opts "-c$clientid"
[ "$defaultreqopts" = "0" ] && append opts "-R"
[ "$noslaaconly" = "1" ] && append opts "-S"
[ "$forceprefix" = "1" ] && append opts "-F"
[ "$norelease" = "1" ] && append opts "-k"
[ "$noserverunicast" = "1" ] && append opts "-U"
[ "$noclientfqdn" = "1" ] && append opts "-f"
[ "$noacceptreconfig" = "1" ] && append opts "-a"
[ -n "$ifaceid" ] && append opts "-i$ifaceid"
[ -n "$vendorclass" ] && append opts "-V$vendorclass"
[ -n "$userclass" ] && append opts "-u$userclass"
[ "$keep_ra_dnslifetime" = "1" ] && append opts "-L"
[ -n "$skpriority" ] && append opts "-K$skpriority"
[ -n "$ra_holdoff" ] && append opts "-m$ra_holdoff"
[ "$verbose" = "1" ] && append opts "-v"
local opt
for opt in $reqopts; do
append opts "-r$opt"
done
json_for_each_item proto_dhcpv6_add_sendopts sendopts opts
append opts "-t${soltimeout:-120}"
[ -n "$ip6prefixes" ] && proto_export "USERPREFIX=$ip6prefixes"
[ -n "$iface_dslite" ] && proto_export "IFACE_DSLITE=$iface_dslite"
[ -n "$iface_map" ] && proto_export "IFACE_MAP=$iface_map"
[ -n "$iface_464xlat" ] && proto_export "IFACE_464XLAT=$iface_464xlat"
[ "$delegate" = "0" ] && proto_export "IFACE_DSLITE_DELEGATE=0"
[ "$delegate" = "0" ] && proto_export "IFACE_MAP_DELEGATE=0"
[ "$delegate" = "0" ] && proto_export "IFACE_464XLAT_DELEGATE=0"
[ -n "$zone_dslite" ] && proto_export "ZONE_DSLITE=$zone_dslite"
[ -n "$zone_map" ] && proto_export "ZONE_MAP=$zone_map"
[ -n "$zone_464xlat" ] && proto_export "ZONE_464XLAT=$zone_464xlat"
[ -n "$zone" ] && proto_export "ZONE=$zone"
[ -n "$encaplimit_dslite" ] && proto_export "ENCAPLIMIT_DSLITE=$encaplimit_dslite"
[ -n "$encaplimit_map" ] && proto_export "ENCAPLIMIT_MAP=$encaplimit_map"
[ "$fakeroutes" != "0" ] && proto_export "FAKE_ROUTES=1"
[ "$sourcefilter" = "0" ] && proto_export "NOSOURCEFILTER=1"
[ "$extendprefix" = "1" ] && proto_export "EXTENDPREFIX=1"
proto_export "INTERFACE=$config"
proto_run_command "$config" odhcp6c \
-s /lib/netifd/dhcpv6.script \
$opts $iface
}
proto_dhcpv6_renew() {
local interface="$1"
# SIGUSR1 forces odhcp6c to renew its lease
local sigusr1="$(kill -l SIGUSR1)"
[ -n "$sigusr1" ] && proto_kill_command "$interface" $sigusr1
}
proto_dhcpv6_teardown() {
local interface="$1"
proto_kill_command "$interface"
}
add_protocol dhcpv6

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@@ -0,0 +1 @@
# This script is sourced by odhcp6c's dhcpv6.script at every DHCPv6 event.

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@@ -0,0 +1,61 @@
#
# Copyright (C) 2009-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=thc-ipv6
PKG_VERSION:=3.8
PKG_RELEASE:=1
PKG_LICENSE:=GPL-3.0
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=@GITHUB/vanhauser-thc/THC-Archive/master/Tools
PKG_HASH:=b60be61a8b0a944a66e3b719704b4c03c1bc2c22f32d5d21e99e434c82a9d769
PKG_MAINTAINER:=Jo-Philipp Wich <jo@mein.io>
include $(INCLUDE_DIR)/package.mk
THC_APPLETS := \
address6 alive6 covert_send6 covert_send6d denial6 detect-new-ip6 \
detect_sniffer6 dnsdict6 dnsrevenum6 dos-new-ip6 \
dump_router6 exploit6 fake_advertise6 fake_dhcps6 fake_dns6d \
fake_dnsupdate6 fake_mipv6 fake_mld26 fake_mld6 fake_mldrouter6 \
fake_router26 fake_router6 fake_solicitate6 flood_advertise6 \
flood_dhcpc6 flood_mld26 flood_mld6 flood_mldrouter6 flood_router26 \
flood_router6 flood_solicitate6 fragmentation6 fuzz_ip6 fuzz_dhcpc6 \
fuzz_dhcps6 implementation6 implementation6d inverse_lookup6 \
kill_router6 ndpexhaust6 node_query6 parasite6 passive_discovery6 \
randicmp6 redir6 rsmurf6 sendpees6 sendpeesmp6 smurf6 thcping6 \
toobig6 trace6 toobigsniff6 flood_unreach6 connect6
THC_DEPENDS_dnsdict6 := +libpthread
THC_DEPENDS_thcping6 := +librt
define BuildTool
define Package/thc-ipv6-$(subst _,-,$(1))
TITLE:=THC-IPv6 $(1) utility
SECTION:=net
CATEGORY:=Network
DEPENDS:=+libpcap $(THC_DEPENDS_$(1))
URL:=https://github.com/vanhauser-thc/thc-ipv6
SUBMENU:=THC-IPv6 attack and analyzing toolkit
endef
define Package/thc-ipv6-$(subst _,-,$(1))/description
This package contains the $(1) utility of the THC-IPv6 toolkit.
endef
define Package/thc-ipv6-$(subst _,-,$(1))/install
$(INSTALL_DIR) $$(1)/usr/sbin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/$(1) $$(1)/usr/sbin/$(1)
endef
$$(eval $$(call BuildPackage,thc-ipv6-$(subst _,-,$(1))))
endef
$(foreach a,$(THC_APPLETS),$(eval $(call BuildTool,$(a))))

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@@ -0,0 +1,10 @@
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
# Comment out if openssl-dev is not present
# of if you want to compile statc
-HAVE_SSL=yes
+#HAVE_SSL=yes
# comment in if you want to compile static tools
#STATIC=-static

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@@ -0,0 +1,11 @@
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@
#CC=gcc
#CFLAGS=-g
-CFLAGS+=-g -O3 -march=native -flto -falign-functions -falign-jumps -falign-loops -falign-labels -freorder-blocks
+CFLAGS+=-g -O3 -flto -falign-functions -falign-jumps -falign-loops -falign-labels -freorder-blocks
CFLAGS+=$(if $(HAVE_SSL),-D_HAVE_SSL,)
LDFLAGS+=-lpcap $(if $(HAVE_SSL),-lssl -lcrypto,)
PROGRAMS=parasite6 dos-new-ip6 detect-new-ip6 fake_router6 fake_advertise6 fake_solicitate6 fake_mld6 fake_mld26 fake_mldrouter6 flood_mldrouter6 fake_mipv6 redir6 smurf6 alive6 toobig6 rsmurf6 implementation6 implementation6d sendpees6 sendpeesmp6 randicmp6 fuzz_ip6 flood_mld6 flood_mld26 flood_router6 flood_advertise6 flood_solicitate6 trace6 exploit6 denial6 fake_dhcps6 flood_dhcpc6 fake_dns6d fragmentation6 kill_router6 fake_dnsupdate6 ndpexhaust6 detect_sniffer6 dump_router6 fake_router26 flood_router26 passive_discovery6 dnsrevenum6 inverse_lookup6 node_query6 address6 covert_send6 covert_send6d inject_alive6 firewall6 ndpexhaust26 fake_pim6 thcsyn6 redirsniff6 flood_redir6 four2six dump_dhcp6 flood_rs6 fuzz_dhcps6 fuzz_dhcpc6 toobigsniff6 flood_unreach6 connect6