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-rw-r--r--net/tayga/Makefile20
-rw-r--r--net/tayga/distinfo2
-rw-r--r--net/tayga/files/patch-freebsd262
-rw-r--r--net/tayga/pkg-descr7
-rw-r--r--net/tayga/pkg-plist4
5 files changed, 295 insertions, 0 deletions
diff --git a/net/tayga/Makefile b/net/tayga/Makefile
new file mode 100644
index 000000000000..869f781eaf75
--- /dev/null
+++ b/net/tayga/Makefile
@@ -0,0 +1,20 @@
+# $FreeBSD$
+
+PORTNAME= tayga
+PORTVERSION= 0.9.2
+CATEGORIES= net
+MASTER_SITES= http://www.litech.org/tayga/
+
+MAINTAINER= melifaro@FreeBSD.org
+COMMENT= Userland stateless NAT64 daemon
+
+LICENSE= GPLv2
+
+USE_BZIP2= yes
+USE_GMAKE= yes
+GNU_CONFIGURE= yes
+
+MAN5= tayga.conf.5
+MAN8= tayga.8
+
+.include <bsd.port.mk>
diff --git a/net/tayga/distinfo b/net/tayga/distinfo
new file mode 100644
index 000000000000..a86e674e658d
--- /dev/null
+++ b/net/tayga/distinfo
@@ -0,0 +1,2 @@
+SHA256 (tayga-0.9.2.tar.bz2) = 2b1f7927a9d2dcff9095aff3c271924b052ccfd2faca9588b277431a44f0009c
+SIZE (tayga-0.9.2.tar.bz2) = 86022
diff --git a/net/tayga/files/patch-freebsd b/net/tayga/files/patch-freebsd
new file mode 100644
index 000000000000..2e7ce1dbdcc2
--- /dev/null
+++ b/net/tayga/files/patch-freebsd
@@ -0,0 +1,262 @@
+diff -ur nat64.c nat64.c
+--- nat64.c 2012-10-03 16:55:57.000000000 +0400
++++ nat64.c 2012-10-04 14:22:01.000000000 +0400
+@@ -94,8 +94,7 @@
+ } __attribute__ ((__packed__)) header;
+ struct iovec iov[2];
+
+- header.pi.flags = 0;
+- header.pi.proto = htons(ETH_P_IP);
++ TUN_SET_PROTO(&header.pi, ETH_P_IP);
+ header.ip4.ver_ihl = 0x45;
+ header.ip4.tos = tos;
+ header.ip4.length = htons(sizeof(header.ip4) + sizeof(header.icmp) +
+@@ -156,6 +155,7 @@
+ }
+ }
+
++
+ static void xlate_header_4to6(struct pkt *p, struct ip6 *ip6,
+ int payload_length)
+ {
+@@ -266,8 +266,7 @@
+ if (dest)
+ dest->flags |= CACHE_F_SEEN_4TO6;
+
+- header.pi.flags = 0;
+- header.pi.proto = htons(ETH_P_IPV6);
++ TUN_SET_PROTO(&header.pi, ETH_P_IPV6);
+
+ if (no_frag_hdr) {
+ iov[0].iov_base = &header;
+@@ -514,8 +513,7 @@
+ sizeof(header.ip6_em)),
+ ip_checksum(p_em.data, p_em.data_len)));
+
+- header.pi.flags = 0;
+- header.pi.proto = htons(ETH_P_IPV6);
++ TUN_SET_PROTO(&header.pi, ETH_P_IPV6);
+
+ iov[0].iov_base = &header;
+ iov[0].iov_len = sizeof(header);
+@@ -566,8 +564,7 @@
+ } __attribute__ ((__packed__)) header;
+ struct iovec iov[2];
+
+- header.pi.flags = 0;
+- header.pi.proto = htons(ETH_P_IPV6);
++ TUN_SET_PROTO(&header.pi, ETH_P_IPV6);
+ header.ip6.ver_tc_fl = htonl((0x6 << 28) | (tc << 20));
+ header.ip6.payload_length = htons(sizeof(header.icmp) + data_len);
+ header.ip6.next_header = 58;
+@@ -588,6 +585,8 @@
+ if (writev(gcfg->tun_fd, iov, data_len ? 2 : 1) < 0)
+ slog(LOG_WARNING, "error writing packet to tun device: %s\n",
+ strerror(errno));
++
++ slog(LOG_WARNING, "Wrote somethinh\n");
+ }
+
+ static void host_send_icmp6_error(uint8_t type, uint8_t code, uint32_t word,
+@@ -728,8 +727,7 @@
+ if (dest)
+ dest->flags |= CACHE_F_SEEN_6TO4;
+
+- header.pi.flags = 0;
+- header.pi.proto = htons(ETH_P_IP);
++ TUN_SET_PROTO(&header.pi, ETH_P_IP);
+
+ header.ip4.cksum = ip_checksum(&header.ip4, sizeof(header.ip4));
+
+@@ -932,8 +930,7 @@
+ sizeof(header.ip4_em)),
+ ip_checksum(p_em.data, p_em.data_len));
+
+- header.pi.flags = 0;
+- header.pi.proto = htons(ETH_P_IP);
++ TUN_SET_PROTO(&header.pi, ETH_P_IP);
+
+ iov[0].iov_base = &header;
+ iov[0].iov_len = sizeof(header);
+diff -ur tayga.c tayga.c
+--- tayga.c 2012-10-03 16:55:57.000000000 +0400
++++ tayga.c 2012-10-04 15:13:49.000000000 +0400
+@@ -84,6 +84,7 @@
+ }
+ }
+
++#ifdef __Linux__
+ static void tun_setup(int do_mktun, int do_rmtun)
+ {
+ struct ifreq ifr;
+@@ -161,6 +162,113 @@
+ slog(LOG_INFO, "Using tun device %s with MTU %d\n", gcfg->tundev,
+ gcfg->mtu);
+ }
++#endif
++
++#ifdef __FreeBSD__
++static void tun_setup(int do_mktun, int do_rmtun)
++{
++ struct ifreq ifr;
++ int fd, do_rename = 0, multi_af;
++ char devname[64];
++
++ if (strncmp(gcfg->tundev, "tun", 3))
++ do_rename = 1;
++
++ if ((do_mktun || do_rmtun) && do_rename)
++ {
++ slog(LOG_CRIT,
++ "tunnel interface name needs to match tun[0-9]+ pattern "
++ "for --mktun to work\n");
++ exit(1);
++ }
++
++ snprintf(devname, sizeof(devname), "/dev/%s", do_rename ? "tun" : gcfg->tundev);
++
++ gcfg->tun_fd = open(devname, O_RDWR);
++ if (gcfg->tun_fd < 0) {
++ slog(LOG_CRIT, "Unable to open %s, aborting: %s\n",
++ devname, strerror(errno));
++ exit(1);
++ }
++
++ if (do_mktun) {
++ slog(LOG_NOTICE, "Created persistent tun device %s\n",
++ gcfg->tundev);
++ return;
++ } else if (do_rmtun) {
++
++ /* Close socket before removal */
++ close(gcfg->tun_fd);
++
++ fd = socket(PF_INET, SOCK_DGRAM, 0);
++ if (fd < 0) {
++ slog(LOG_CRIT, "Unable to create control socket, aborting: %s\n",
++ strerror(errno));
++ exit(1);
++ }
++
++ memset(&ifr, 0, sizeof(ifr));
++ strcpy(ifr.ifr_name, gcfg->tundev);
++ if (ioctl(fd, SIOCIFDESTROY, &ifr) < 0) {
++ slog(LOG_CRIT, "Unable to destroy interface %s, aborting: %s\n",
++ gcfg->tundev, strerror(errno));
++ exit(1);
++ }
++
++ close(fd);
++
++ slog(LOG_NOTICE, "Removed persistent tun device %s\n",
++ gcfg->tundev);
++ return;
++ }
++
++ /* Set multi-AF mode */
++ multi_af = 1;
++ if (ioctl(gcfg->tun_fd, TUNSIFHEAD, &multi_af) < 0) {
++ slog(LOG_CRIT, "Unable to set multi-AF on %s, "
++ "aborting: %s\n", gcfg->tundev,
++ strerror(errno));
++ exit(1);
++ }
++
++ slog(LOG_CRIT, "Multi-AF mode set on %s\n", gcfg->tundev);
++
++ set_nonblock(gcfg->tun_fd);
++
++ fd = socket(PF_INET, SOCK_DGRAM, 0);
++ if (fd < 0) {
++ slog(LOG_CRIT, "Unable to create socket, aborting: %s\n",
++ strerror(errno));
++ exit(1);
++ }
++
++ if (do_rename) {
++ memset(&ifr, 0, sizeof(ifr));
++ strcpy(ifr.ifr_name, fdevname(gcfg->tun_fd));
++ ifr.ifr_data = gcfg->tundev;
++ if (ioctl(fd, SIOCSIFNAME, &ifr) < 0) {
++ slog(LOG_CRIT, "Unable to rename interface %s to %s, aborting: %s\n",
++ fdevname(gcfg->tun_fd), gcfg->tundev,
++ strerror(errno));
++ exit(1);
++ }
++ }
++
++ memset(&ifr, 0, sizeof(ifr));
++ strcpy(ifr.ifr_name, gcfg->tundev);
++ if (ioctl(fd, SIOCGIFMTU, &ifr) < 0) {
++ slog(LOG_CRIT, "Unable to query MTU, aborting: %s\n",
++ strerror(errno));
++ exit(1);
++ }
++ close(fd);
++
++ gcfg->mtu = ifr.ifr_mtu;
++
++ slog(LOG_INFO, "Using tun device %s with MTU %d\n", gcfg->tundev,
++ gcfg->mtu);
++}
++#endif
+
+ static void signal_handler(int signal)
+ {
+@@ -214,7 +322,7 @@
+ memset(p, 0, sizeof(struct pkt));
+ p->data = gcfg->recv_buf + sizeof(struct tun_pi);
+ p->data_len = ret - sizeof(struct tun_pi);
+- switch (ntohs(pi->proto)) {
++ switch (TUN_GET_PROTO(pi)) {
+ case ETH_P_IP:
+ handle_ip4(p);
+ break;
+diff -ur tayga.h tayga.h
+--- tayga.h 2012-10-03 16:55:57.000000000 +0400
++++ tayga.h 2012-10-04 14:26:09.000000000 +0400
+@@ -31,14 +31,44 @@
+ #include <syslog.h>
+ #include <errno.h>
+ #include <time.h>
++#ifdef __Linux__
+ #include <linux/if.h>
+ #include <linux/if_tun.h>
+ #include <linux/if_ether.h>
++#endif
++#ifdef __FreeBSD__
++#include <net/if.h>
++#include <net/if_tun.h>
++#include <netinet/if_ether.h>
++#include <net/ethernet.h>
++#include <sys/uio.h>
++#endif
++
+
+ #include "list.h"
+ #include "config.h"
+
+
++#ifdef __Linux__
++#define TUN_SET_PROTO(_pi, _af) { (_pi)->flags = 0; (_pi)->proto = htons(_af); }
++#define TUN_GET_PROTO(_pi) ntohs((_pi)->proto)
++#endif
++
++#ifdef __FreeBSD__
++#define s6_addr8 __u6_addr.__u6_addr8
++#define s6_addr16 __u6_addr.__u6_addr16
++#define s6_addr32 __u6_addr.__u6_addr32
++
++struct tun_pi {
++ int proto;
++};
++
++#define ETH_P_IP AF_INET
++#define ETH_P_IPV6 AF_INET6
++#define TUN_SET_PROTO(_pi, _af) { (_pi)->proto = htonl(_af); }
++#define TUN_GET_PROTO(_pi) ntohl((_pi)->proto)
++#endif
++
+ /* Configuration knobs */
+
+ /* Number of seconds of silence before a map ages out of the cache */
diff --git a/net/tayga/pkg-descr b/net/tayga/pkg-descr
new file mode 100644
index 000000000000..65646378caf2
--- /dev/null
+++ b/net/tayga/pkg-descr
@@ -0,0 +1,7 @@
+TAYGA is an out-of-kernel stateless NAT64 implementation for that uses the
+TUN driver to exchange IPv4 and IPv6 packets with the kernel. It is intended
+to provide production-quality NAT64 service for networks where dedicated
+NAT64 hardware would be overkill.
+
+
+WWW: http://www.litech.org/tayga/
diff --git a/net/tayga/pkg-plist b/net/tayga/pkg-plist
new file mode 100644
index 000000000000..772dee13c37f
--- /dev/null
+++ b/net/tayga/pkg-plist
@@ -0,0 +1,4 @@
+@unexec if cmp -s %D/etc/tayga.conf.example %D/etc/tayga.conf; then rm -f %D/etc/tayga.conf; fi
+etc/tayga.conf.example
+@exec if [ ! -f %D/etc/tayga.conf ] ; then cp -p %B/tayga.conf.example %D/etc/tayga.conf; fi
+sbin/tayga