|
Packit Service |
3880ab |
/*
|
|
Packit Service |
3880ab |
* link_iptnl.c ipip and sit driver module
|
|
Packit Service |
3880ab |
*
|
|
Packit Service |
3880ab |
* This program is free software; you can redistribute it and/or
|
|
Packit Service |
3880ab |
* modify it under the terms of the GNU General Public License
|
|
Packit Service |
3880ab |
* as published by the Free Software Foundation; either version
|
|
Packit Service |
3880ab |
* 2 of the License, or (at your option) any later version.
|
|
Packit Service |
3880ab |
*
|
|
Packit Service |
3880ab |
* Authors: Nicolas Dichtel <nicolas.dichtel@6wind.com>
|
|
Packit Service |
3880ab |
*
|
|
Packit Service |
3880ab |
*/
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
#include <string.h>
|
|
Packit Service |
3880ab |
#include <net/if.h>
|
|
Packit Service |
3880ab |
#include <sys/types.h>
|
|
Packit Service |
3880ab |
#include <sys/socket.h>
|
|
Packit Service |
3880ab |
#include <arpa/inet.h>
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
#include <linux/in.h>
|
|
Packit Service |
3880ab |
#include <linux/ip.h>
|
|
Packit Service |
3880ab |
#include <linux/if_tunnel.h>
|
|
Packit Service |
3880ab |
#include "rt_names.h"
|
|
Packit Service |
3880ab |
#include "utils.h"
|
|
Packit Service |
3880ab |
#include "ip_common.h"
|
|
Packit Service |
3880ab |
#include "tunnel.h"
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
static void iptunnel_print_help(struct link_util *lu, int argc, char **argv,
|
|
Packit Service |
3880ab |
FILE *f)
|
|
Packit Service |
3880ab |
{
|
|
Packit Service |
3880ab |
const char *mode;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (strcmp(lu->id, "sit") == 0) {
|
|
Packit Service |
3880ab |
mode = "{ ip6ip | ipip | mplsip | any } ]\n"
|
|
Packit Service |
3880ab |
" [ isatap";
|
|
Packit Service |
3880ab |
} else {
|
|
Packit Service |
3880ab |
mode = "{ ipip | mplsip | any }";
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
fprintf(f,
|
|
Packit Service |
3880ab |
"Usage: ... %-6s [ remote ADDR ]\n"
|
|
Packit Service |
3880ab |
" [ local ADDR ]\n"
|
|
Packit Service |
3880ab |
" [ ttl TTL ]\n"
|
|
Packit Service |
3880ab |
" [ tos TOS ]\n"
|
|
Packit Service |
3880ab |
" [ [no]pmtudisc ]\n"
|
|
Packit Service |
3880ab |
" [ 6rd-prefix ADDR ]\n"
|
|
Packit Service |
3880ab |
" [ 6rd-relay_prefix ADDR ]\n"
|
|
Packit Service |
3880ab |
" [ 6rd-reset ]\n"
|
|
Packit Service |
3880ab |
" [ dev PHYS_DEV ]\n"
|
|
Packit Service |
3880ab |
" [ fwmark MARK ]\n"
|
|
Packit Service |
3880ab |
" [ external ]\n"
|
|
Packit Service |
3880ab |
" [ noencap ]\n"
|
|
Packit Service |
3880ab |
" [ encap { fou | gue | none } ]\n"
|
|
Packit Service |
3880ab |
" [ encap-sport PORT ]\n"
|
|
Packit Service |
3880ab |
" [ encap-dport PORT ]\n"
|
|
Packit Service |
3880ab |
" [ [no]encap-csum ]\n"
|
|
Packit Service |
3880ab |
" [ [no]encap-csum6 ]\n"
|
|
Packit Service |
3880ab |
" [ [no]encap-remcsum ]\n"
|
|
Packit Service |
3880ab |
" [ mode %s ]\n"
|
|
Packit Service |
3880ab |
"\n"
|
|
Packit Service |
3880ab |
"Where: ADDR := { IP_ADDRESS | any }\n"
|
|
Packit Service |
3880ab |
" TOS := { NUMBER | inherit }\n"
|
|
Packit Service |
3880ab |
" TTL := { 1..255 | inherit }\n"
|
|
Packit Service |
3880ab |
" MARK := { 0x0..0xffffffff }\n",
|
|
Packit Service |
3880ab |
lu->id, mode);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
static int iptunnel_parse_opt(struct link_util *lu, int argc, char **argv,
|
|
Packit Service |
3880ab |
struct nlmsghdr *n)
|
|
Packit Service |
3880ab |
{
|
|
Packit Service |
3880ab |
struct ifinfomsg *ifi = NLMSG_DATA(n);
|
|
Packit Service |
3880ab |
struct {
|
|
Packit Service |
3880ab |
struct nlmsghdr n;
|
|
Packit Service |
3880ab |
struct ifinfomsg i;
|
|
Packit Service |
3880ab |
} req = {
|
|
Packit Service |
3880ab |
.n.nlmsg_len = NLMSG_LENGTH(sizeof(*ifi)),
|
|
Packit Service |
3880ab |
.n.nlmsg_flags = NLM_F_REQUEST,
|
|
Packit Service |
3880ab |
.n.nlmsg_type = RTM_GETLINK,
|
|
Packit Service |
3880ab |
.i.ifi_family = preferred_family,
|
|
Packit Service |
3880ab |
.i.ifi_index = ifi->ifi_index,
|
|
Packit Service |
3880ab |
};
|
|
Packit Service |
3880ab |
struct nlmsghdr *answer;
|
|
Packit Service |
3880ab |
struct rtattr *tb[IFLA_MAX + 1];
|
|
Packit Service |
3880ab |
struct rtattr *linkinfo[IFLA_INFO_MAX+1];
|
|
Packit Service |
3880ab |
struct rtattr *iptuninfo[IFLA_IPTUN_MAX + 1];
|
|
Packit Service |
3880ab |
int len;
|
|
Packit Service |
3880ab |
inet_prefix saddr, daddr, ip6rdprefix, ip6rdrelayprefix;
|
|
Packit Service |
3880ab |
__u8 pmtudisc = 1;
|
|
Packit Service |
3880ab |
__u8 tos = 0;
|
|
Packit Service |
3880ab |
__u16 iflags = 0;
|
|
Packit Service |
3880ab |
__u8 ttl = 0;
|
|
Packit Service |
3880ab |
__u8 proto = 0;
|
|
Packit Service |
3880ab |
__u32 link = 0;
|
|
Packit Service |
3880ab |
__u16 encaptype = 0;
|
|
Packit Service |
3880ab |
__u16 encapflags = 0;
|
|
Packit Service |
3880ab |
__u16 encapsport = 0;
|
|
Packit Service |
3880ab |
__u16 encapdport = 0;
|
|
Packit Service |
3880ab |
__u8 metadata = 0;
|
|
Packit Service |
3880ab |
__u32 fwmark = 0;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
inet_prefix_reset(&saddr);
|
|
Packit Service |
3880ab |
inet_prefix_reset(&daddr);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
inet_prefix_reset(&ip6rdprefix);
|
|
Packit Service |
3880ab |
inet_prefix_reset(&ip6rdrelayprefix);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (!(n->nlmsg_flags & NLM_F_CREATE)) {
|
|
Packit Service |
3880ab |
const struct rtattr *rta;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (rtnl_talk(&rth, &req.n, &answer) < 0) {
|
|
Packit Service |
3880ab |
get_failed:
|
|
Packit Service |
3880ab |
fprintf(stderr,
|
|
Packit Service |
3880ab |
"Failed to get existing tunnel info.\n");
|
|
Packit Service |
3880ab |
return -1;
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
len = answer->nlmsg_len;
|
|
Packit Service |
3880ab |
len -= NLMSG_LENGTH(sizeof(*ifi));
|
|
Packit Service |
3880ab |
if (len < 0)
|
|
Packit Service |
3880ab |
goto get_failed;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
parse_rtattr(tb, IFLA_MAX, IFLA_RTA(NLMSG_DATA(answer)), len);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (!tb[IFLA_LINKINFO])
|
|
Packit Service |
3880ab |
goto get_failed;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb[IFLA_LINKINFO]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (!linkinfo[IFLA_INFO_DATA])
|
|
Packit Service |
3880ab |
goto get_failed;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
parse_rtattr_nested(iptuninfo, IFLA_IPTUN_MAX,
|
|
Packit Service |
3880ab |
linkinfo[IFLA_INFO_DATA]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
rta = iptuninfo[IFLA_IPTUN_LOCAL];
|
|
Packit Service |
3880ab |
if (rta && get_addr_rta(&saddr, rta, AF_INET))
|
|
Packit Service |
3880ab |
goto get_failed;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
rta = iptuninfo[IFLA_IPTUN_REMOTE];
|
|
Packit Service |
3880ab |
if (rta && get_addr_rta(&daddr, rta, AF_INET))
|
|
Packit Service |
3880ab |
goto get_failed;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
rta = iptuninfo[IFLA_IPTUN_6RD_PREFIX];
|
|
Packit Service |
3880ab |
if (rta && get_addr_rta(&ip6rdprefix, rta, AF_INET6))
|
|
Packit Service |
3880ab |
goto get_failed;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
rta = iptuninfo[IFLA_IPTUN_6RD_RELAY_PREFIX];
|
|
Packit Service |
3880ab |
if (rta && get_addr_rta(&ip6rdrelayprefix, rta, AF_INET))
|
|
Packit Service |
3880ab |
goto get_failed;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
rta = iptuninfo[IFLA_IPTUN_6RD_PREFIXLEN];
|
|
Packit Service |
3880ab |
ip6rdprefix.bitlen = rta ? rta_getattr_u16(rta) : 0;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
rta = iptuninfo[IFLA_IPTUN_6RD_RELAY_PREFIXLEN];
|
|
Packit Service |
3880ab |
ip6rdrelayprefix.bitlen = rta ? rta_getattr_u16(rta) : 0;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_TTL])
|
|
Packit Service |
3880ab |
ttl = rta_getattr_u8(iptuninfo[IFLA_IPTUN_TTL]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_PMTUDISC])
|
|
Packit Service |
3880ab |
pmtudisc =
|
|
Packit Service |
3880ab |
rta_getattr_u8(iptuninfo[IFLA_IPTUN_PMTUDISC]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_TOS])
|
|
Packit Service |
3880ab |
tos = rta_getattr_u8(iptuninfo[IFLA_IPTUN_TOS]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_FLAGS])
|
|
Packit Service |
3880ab |
iflags = rta_getattr_u16(iptuninfo[IFLA_IPTUN_FLAGS]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_LINK])
|
|
Packit Service |
3880ab |
link = rta_getattr_u32(iptuninfo[IFLA_IPTUN_LINK]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_PROTO])
|
|
Packit Service |
3880ab |
proto = rta_getattr_u8(iptuninfo[IFLA_IPTUN_PROTO]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_ENCAP_TYPE])
|
|
Packit Service |
3880ab |
encaptype = rta_getattr_u16(iptuninfo[IFLA_IPTUN_ENCAP_TYPE]);
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_ENCAP_FLAGS])
|
|
Packit Service |
3880ab |
encapflags = rta_getattr_u16(iptuninfo[IFLA_IPTUN_ENCAP_FLAGS]);
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_ENCAP_SPORT])
|
|
Packit Service |
3880ab |
encapsport = rta_getattr_u16(iptuninfo[IFLA_IPTUN_ENCAP_SPORT]);
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_ENCAP_DPORT])
|
|
Packit Service |
3880ab |
encapdport = rta_getattr_u16(iptuninfo[IFLA_IPTUN_ENCAP_DPORT]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_COLLECT_METADATA])
|
|
Packit Service |
3880ab |
metadata = 1;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iptuninfo[IFLA_IPTUN_FWMARK])
|
|
Packit Service |
3880ab |
fwmark = rta_getattr_u32(iptuninfo[IFLA_IPTUN_FWMARK]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
free(answer);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
while (argc > 0) {
|
|
Packit Service |
3880ab |
if (strcmp(*argv, "mode") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (strcmp(lu->id, "sit") == 0 &&
|
|
Packit Service |
3880ab |
(strcmp(*argv, "ipv6/ipv4") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "ip6ip") == 0))
|
|
Packit Service |
3880ab |
proto = IPPROTO_IPV6;
|
|
Packit Service |
3880ab |
else if (strcmp(*argv, "ipv4/ipv4") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "ipip") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "ip4ip4") == 0)
|
|
Packit Service |
3880ab |
proto = IPPROTO_IPIP;
|
|
Packit Service |
3880ab |
else if (strcmp(*argv, "mpls/ipv4") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "mplsip") == 0)
|
|
Packit Service |
3880ab |
proto = IPPROTO_MPLS;
|
|
Packit Service |
3880ab |
else if (strcmp(*argv, "any/ipv4") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "any") == 0)
|
|
Packit Service |
3880ab |
proto = 0;
|
|
Packit Service |
3880ab |
else
|
|
Packit Service |
3880ab |
invarg("Cannot guess tunnel mode.", *argv);
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "remote") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
get_addr(&daddr, *argv, AF_INET);
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "local") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
get_addr(&saddr, *argv, AF_INET);
|
|
Packit Service |
3880ab |
} else if (matches(*argv, "dev") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
link = ll_name_to_index(*argv);
|
|
Packit Service |
3880ab |
if (!link)
|
|
Packit Service |
3880ab |
exit(nodev(*argv));
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "ttl") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "hoplimit") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "hlim") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (strcmp(*argv, "inherit") != 0) {
|
|
Packit Service |
3880ab |
if (get_u8(&ttl, *argv, 0))
|
|
Packit Service |
3880ab |
invarg("invalid TTL\n", *argv);
|
|
Packit Service |
3880ab |
} else
|
|
Packit Service |
3880ab |
ttl = 0;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "tos") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "tclass") == 0 ||
|
|
Packit Service |
3880ab |
strcmp(*argv, "tc") == 0 ||
|
|
Packit Service |
3880ab |
matches(*argv, "dsfield") == 0) {
|
|
Packit Service |
3880ab |
__u32 uval;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (strcmp(*argv, "inherit") != 0) {
|
|
Packit Service |
3880ab |
if (rtnl_dsfield_a2n(&uval, *argv))
|
|
Packit Service |
3880ab |
invarg("bad TOS value", *argv);
|
|
Packit Service |
3880ab |
tos = uval;
|
|
Packit Service |
3880ab |
} else
|
|
Packit Service |
3880ab |
tos = 1;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "nopmtudisc") == 0) {
|
|
Packit Service |
3880ab |
pmtudisc = 0;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "pmtudisc") == 0) {
|
|
Packit Service |
3880ab |
pmtudisc = 1;
|
|
Packit Service |
3880ab |
} else if (strcmp(lu->id, "sit") == 0 &&
|
|
Packit Service |
3880ab |
strcmp(*argv, "isatap") == 0) {
|
|
Packit Service |
3880ab |
iflags |= SIT_ISATAP;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "noencap") == 0) {
|
|
Packit Service |
3880ab |
encaptype = TUNNEL_ENCAP_NONE;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "encap") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (strcmp(*argv, "fou") == 0)
|
|
Packit Service |
3880ab |
encaptype = TUNNEL_ENCAP_FOU;
|
|
Packit Service |
3880ab |
else if (strcmp(*argv, "gue") == 0)
|
|
Packit Service |
3880ab |
encaptype = TUNNEL_ENCAP_GUE;
|
|
Packit Service |
3880ab |
else if (strcmp(*argv, "none") == 0)
|
|
Packit Service |
3880ab |
encaptype = TUNNEL_ENCAP_NONE;
|
|
Packit Service |
3880ab |
else
|
|
Packit Service |
3880ab |
invarg("Invalid encap type.", *argv);
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "encap-sport") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (strcmp(*argv, "auto") == 0)
|
|
Packit Service |
3880ab |
encapsport = 0;
|
|
Packit Service |
3880ab |
else if (get_u16(&encapsport, *argv, 0))
|
|
Packit Service |
3880ab |
invarg("Invalid source port.", *argv);
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "encap-dport") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (get_u16(&encapdport, *argv, 0))
|
|
Packit Service |
3880ab |
invarg("Invalid destination port.", *argv);
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "encap-csum") == 0) {
|
|
Packit Service |
3880ab |
encapflags |= TUNNEL_ENCAP_FLAG_CSUM;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "noencap-csum") == 0) {
|
|
Packit Service |
3880ab |
encapflags &= ~TUNNEL_ENCAP_FLAG_CSUM;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "encap-udp6-csum") == 0) {
|
|
Packit Service |
3880ab |
encapflags |= TUNNEL_ENCAP_FLAG_CSUM6;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "noencap-udp6-csum") == 0) {
|
|
Packit Service |
3880ab |
encapflags &= ~TUNNEL_ENCAP_FLAG_CSUM6;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "encap-remcsum") == 0) {
|
|
Packit Service |
3880ab |
encapflags |= TUNNEL_ENCAP_FLAG_REMCSUM;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "noencap-remcsum") == 0) {
|
|
Packit Service |
3880ab |
encapflags &= ~TUNNEL_ENCAP_FLAG_REMCSUM;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "external") == 0) {
|
|
Packit Service |
3880ab |
metadata = 1;
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "6rd-prefix") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (get_prefix(&ip6rdprefix, *argv, AF_INET6))
|
|
Packit Service |
3880ab |
invarg("invalid 6rd_prefix\n", *argv);
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "6rd-relay_prefix") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (get_prefix(&ip6rdrelayprefix, *argv, AF_INET))
|
|
Packit Service |
3880ab |
invarg("invalid 6rd-relay_prefix\n", *argv);
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "6rd-reset") == 0) {
|
|
Packit Service |
3880ab |
get_prefix(&ip6rdprefix, "2002::/16", AF_INET6);
|
|
Packit Service |
3880ab |
inet_prefix_reset(&ip6rdrelayprefix);
|
|
Packit Service |
3880ab |
} else if (strcmp(*argv, "fwmark") == 0) {
|
|
Packit Service |
3880ab |
NEXT_ARG();
|
|
Packit Service |
3880ab |
if (get_u32(&fwmark, *argv, 0))
|
|
Packit Service |
3880ab |
invarg("invalid fwmark\n", *argv);
|
|
Packit Service |
3880ab |
} else {
|
|
Packit Service |
3880ab |
iptunnel_print_help(lu, argc, argv, stderr);
|
|
Packit Service |
3880ab |
return -1;
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
argc--, argv++;
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (ttl && pmtudisc == 0) {
|
|
Packit Service |
3880ab |
fprintf(stderr, "ttl != 0 and nopmtudisc are incompatible\n");
|
|
Packit Service |
3880ab |
exit(-1);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
addattr8(n, 1024, IFLA_IPTUN_PROTO, proto);
|
|
Packit Service |
3880ab |
if (metadata) {
|
|
Packit Service |
3880ab |
addattr_l(n, 1024, IFLA_IPTUN_COLLECT_METADATA, NULL, 0);
|
|
Packit Service |
3880ab |
return 0;
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (is_addrtype_inet_not_unspec(&saddr)) {
|
|
Packit Service |
3880ab |
addattr_l(n, 1024, IFLA_IPTUN_LOCAL,
|
|
Packit Service |
3880ab |
saddr.data, saddr.bytelen);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
if (is_addrtype_inet_not_unspec(&daddr)) {
|
|
Packit Service |
3880ab |
addattr_l(n, 1024, IFLA_IPTUN_REMOTE,
|
|
Packit Service |
3880ab |
daddr.data, daddr.bytelen);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
addattr8(n, 1024, IFLA_IPTUN_PMTUDISC, pmtudisc);
|
|
Packit Service |
3880ab |
addattr8(n, 1024, IFLA_IPTUN_TOS, tos);
|
|
Packit Service |
3880ab |
addattr8(n, 1024, IFLA_IPTUN_TTL, ttl);
|
|
Packit Service |
3880ab |
addattr32(n, 1024, IFLA_IPTUN_LINK, link);
|
|
Packit Service |
3880ab |
addattr32(n, 1024, IFLA_IPTUN_FWMARK, fwmark);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
addattr16(n, 1024, IFLA_IPTUN_ENCAP_TYPE, encaptype);
|
|
Packit Service |
3880ab |
addattr16(n, 1024, IFLA_IPTUN_ENCAP_FLAGS, encapflags);
|
|
Packit Service |
3880ab |
addattr16(n, 1024, IFLA_IPTUN_ENCAP_SPORT, htons(encapsport));
|
|
Packit Service |
3880ab |
addattr16(n, 1024, IFLA_IPTUN_ENCAP_DPORT, htons(encapdport));
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (strcmp(lu->id, "sit") == 0) {
|
|
Packit Service |
3880ab |
addattr16(n, 1024, IFLA_IPTUN_FLAGS, iflags);
|
|
Packit Service |
3880ab |
if (is_addrtype_inet(&ip6rdprefix)) {
|
|
Packit Service |
3880ab |
addattr_l(n, 1024, IFLA_IPTUN_6RD_PREFIX,
|
|
Packit Service |
3880ab |
ip6rdprefix.data, ip6rdprefix.bytelen);
|
|
Packit Service |
3880ab |
addattr16(n, 1024, IFLA_IPTUN_6RD_PREFIXLEN,
|
|
Packit Service |
3880ab |
ip6rdprefix.bitlen);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
if (is_addrtype_inet(&ip6rdrelayprefix)) {
|
|
Packit Service |
3880ab |
addattr32(n, 1024, IFLA_IPTUN_6RD_RELAY_PREFIX,
|
|
Packit Service |
3880ab |
ip6rdrelayprefix.data[0]);
|
|
Packit Service |
3880ab |
addattr16(n, 1024, IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
|
|
Packit Service |
3880ab |
ip6rdrelayprefix.bitlen);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
return 0;
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
static void iptunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
|
|
Packit Service |
3880ab |
{
|
|
Packit Service |
3880ab |
char s2[64];
|
|
Packit Service |
3880ab |
__u16 prefixlen;
|
|
Packit Service |
3880ab |
__u8 ttl = 0;
|
|
Packit Service |
3880ab |
__u8 tos = 0;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (!tb)
|
|
Packit Service |
3880ab |
return;
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_COLLECT_METADATA]) {
|
|
Packit Service |
3880ab |
print_bool(PRINT_ANY, "external", "external ", true);
|
|
Packit Service |
3880ab |
return;
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_PROTO]) {
|
|
Packit Service |
3880ab |
switch (rta_getattr_u8(tb[IFLA_IPTUN_PROTO])) {
|
|
Packit Service |
3880ab |
case IPPROTO_IPIP:
|
|
Packit Service |
3880ab |
print_string(PRINT_ANY, "proto", "%s ", "ipip");
|
|
Packit Service |
3880ab |
break;
|
|
Packit Service |
3880ab |
case IPPROTO_IPV6:
|
|
Packit Service |
3880ab |
print_string(PRINT_ANY, "proto", "%s ", "ip6ip");
|
|
Packit Service |
3880ab |
break;
|
|
Packit Service |
3880ab |
case IPPROTO_MPLS:
|
|
Packit Service |
3880ab |
print_string(PRINT_ANY, "proto", "%s ", "mplsip");
|
|
Packit Service |
3880ab |
break;
|
|
Packit Service |
3880ab |
case 0:
|
|
Packit Service |
3880ab |
print_string(PRINT_ANY, "proto", "%s ", "any");
|
|
Packit Service |
3880ab |
break;
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
tnl_print_endpoint("remote", tb[IFLA_IPTUN_REMOTE], AF_INET);
|
|
Packit Service |
3880ab |
tnl_print_endpoint("local", tb[IFLA_IPTUN_LOCAL], AF_INET);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_LINK]) {
|
|
Packit Service |
3880ab |
__u32 link = rta_getattr_u32(tb[IFLA_IPTUN_LINK]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (link) {
|
|
Packit Service |
3880ab |
print_string(PRINT_ANY, "link", "dev %s ",
|
|
Packit Service |
3880ab |
ll_index_to_name(link));
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_TTL])
|
|
Packit Service |
3880ab |
ttl = rta_getattr_u8(tb[IFLA_IPTUN_TTL]);
|
|
Packit Service |
3880ab |
if (is_json_context() || ttl)
|
|
Packit Service |
3880ab |
print_uint(PRINT_ANY, "ttl", "ttl %u ", ttl);
|
|
Packit Service |
3880ab |
else
|
|
Packit Service |
3880ab |
print_string(PRINT_FP, NULL, "ttl %s ", "inherit");
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_TOS])
|
|
Packit Service |
3880ab |
tos = rta_getattr_u8(tb[IFLA_IPTUN_TOS]);
|
|
Packit Service |
3880ab |
if (tos) {
|
|
Packit Service |
3880ab |
if (is_json_context() || tos != 1)
|
|
Packit Service |
3880ab |
print_0xhex(PRINT_ANY, "tos", "tos %#llx ", tos);
|
|
Packit Service |
3880ab |
else
|
|
Packit Service |
3880ab |
print_string(PRINT_FP, NULL, "tos %s ", "inherit");
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_PMTUDISC] && rta_getattr_u8(tb[IFLA_IPTUN_PMTUDISC]))
|
|
Packit Service |
3880ab |
print_bool(PRINT_ANY, "pmtudisc", "pmtudisc ", true);
|
|
Packit Service |
3880ab |
else
|
|
Packit Service |
3880ab |
print_bool(PRINT_ANY, "pmtudisc", "nopmtudisc ", false);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_FLAGS]) {
|
|
Packit Service |
3880ab |
__u16 iflags = rta_getattr_u16(tb[IFLA_IPTUN_FLAGS]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (iflags & SIT_ISATAP)
|
|
Packit Service |
3880ab |
print_bool(PRINT_ANY, "isatap", "isatap ", true);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_6RD_PREFIXLEN] &&
|
|
Packit Service |
3880ab |
(prefixlen = rta_getattr_u16(tb[IFLA_IPTUN_6RD_PREFIXLEN]))) {
|
|
Packit Service |
3880ab |
__u16 relayprefixlen =
|
|
Packit Service |
3880ab |
rta_getattr_u16(tb[IFLA_IPTUN_6RD_RELAY_PREFIXLEN]);
|
|
Packit Service |
3880ab |
__u32 relayprefix =
|
|
Packit Service |
3880ab |
rta_getattr_u32(tb[IFLA_IPTUN_6RD_RELAY_PREFIX]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
const char *prefix = inet_ntop(AF_INET6,
|
|
Packit Service |
3880ab |
RTA_DATA(tb[IFLA_IPTUN_6RD_PREFIX]),
|
|
Packit Service |
3880ab |
s2, sizeof(s2));
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (is_json_context()) {
|
|
Packit Service |
3880ab |
print_string(PRINT_JSON, "prefix", NULL, prefix);
|
|
Packit Service |
3880ab |
print_int(PRINT_JSON, "prefixlen", NULL, prefixlen);
|
|
Packit Service |
3880ab |
if (relayprefix) {
|
|
Packit Service |
3880ab |
print_string(PRINT_JSON,
|
|
Packit Service |
3880ab |
"relay_prefix",
|
|
Packit Service |
3880ab |
NULL,
|
|
Packit Service |
3880ab |
format_host(AF_INET,
|
|
Packit Service |
3880ab |
4,
|
|
Packit Service |
3880ab |
&relayprefix));
|
|
Packit Service |
3880ab |
print_int(PRINT_JSON,
|
|
Packit Service |
3880ab |
"relay_prefixlen",
|
|
Packit Service |
3880ab |
NULL,
|
|
Packit Service |
3880ab |
relayprefixlen);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
} else {
|
|
Packit Service |
3880ab |
printf("6rd-prefix %s/%u ", prefix, prefixlen);
|
|
Packit Service |
3880ab |
if (relayprefix) {
|
|
Packit Service |
3880ab |
printf("6rd-relay_prefix %s/%u ",
|
|
Packit Service |
3880ab |
format_host(AF_INET, 4, &relayprefix),
|
|
Packit Service |
3880ab |
relayprefixlen);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (tb[IFLA_IPTUN_FWMARK]) {
|
|
Packit Service |
3880ab |
__u32 fwmark = rta_getattr_u32(tb[IFLA_IPTUN_FWMARK]);
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
if (fwmark) {
|
|
Packit Service |
3880ab |
print_0xhex(PRINT_ANY,
|
|
Packit Service |
3880ab |
"fwmark", "fwmark %#llx ", fwmark);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
tnl_print_encap(tb,
|
|
Packit Service |
3880ab |
IFLA_IPTUN_ENCAP_TYPE,
|
|
Packit Service |
3880ab |
IFLA_IPTUN_ENCAP_FLAGS,
|
|
Packit Service |
3880ab |
IFLA_IPTUN_ENCAP_SPORT,
|
|
Packit Service |
3880ab |
IFLA_IPTUN_ENCAP_DPORT);
|
|
Packit Service |
3880ab |
}
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
struct link_util ipip_link_util = {
|
|
Packit Service |
3880ab |
.id = "ipip",
|
|
Packit Service |
3880ab |
.maxattr = IFLA_IPTUN_MAX,
|
|
Packit Service |
3880ab |
.parse_opt = iptunnel_parse_opt,
|
|
Packit Service |
3880ab |
.print_opt = iptunnel_print_opt,
|
|
Packit Service |
3880ab |
.print_help = iptunnel_print_help,
|
|
Packit Service |
3880ab |
};
|
|
Packit Service |
3880ab |
|
|
Packit Service |
3880ab |
struct link_util sit_link_util = {
|
|
Packit Service |
3880ab |
.id = "sit",
|
|
Packit Service |
3880ab |
.maxattr = IFLA_IPTUN_MAX,
|
|
Packit Service |
3880ab |
.parse_opt = iptunnel_parse_opt,
|
|
Packit Service |
3880ab |
.print_opt = iptunnel_print_opt,
|
|
Packit Service |
3880ab |
.print_help = iptunnel_print_help,
|
|
Packit Service |
3880ab |
};
|