*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
- *
- * Changes:
- *
- * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
- * Rani Assaf <rani@magic.metawire.com> 980930: do not allow key for ipip/sit
- * Phil Karn <karn@ka9q.ampr.org> 990408: "pmtudisc" flag
*/
#include <stdio.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <sys/ioctl.h>
-#include <linux/if.h>
-#include <linux/if_arp.h>
+#include <net/if.h>
+#include <net/if_arp.h>
#include <linux/ip.h>
#include <linux/if_tunnel.h>
static void usage(void)
{
- fprintf(stderr, "Usage: ip tunnel { add | change | del | show } [ NAME ]\n");
- fprintf(stderr, " [ mode { ipip | gre | sit | isatap } ] [ remote ADDR ] [ local ADDR ]\n");
+ fprintf(stderr, "Usage: ip tunnel { add | change | del | show | prl | 6rd } [ NAME ]\n");
+ fprintf(stderr, " [ mode { ipip | gre | sit | isatap | vti } ] [ remote ADDR ] [ local ADDR ]\n");
fprintf(stderr, " [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\n");
+ fprintf(stderr, " [ prl-default ADDR ] [ prl-nodefault ADDR ] [ prl-delete ADDR ]\n");
+ fprintf(stderr, " [ 6rd-prefix ADDR ] [ 6rd-relay_prefix ADDR ] [ 6rd-reset ]\n");
fprintf(stderr, " [ ttl TTL ] [ tos TOS ] [ [no]pmtudisc ] [ dev PHYS_DEV ]\n");
fprintf(stderr, "\n");
fprintf(stderr, "Where: NAME := STRING\n");
fprintf(stderr, " ADDR := { IP_ADDRESS | any }\n");
- fprintf(stderr, " TOS := { NUMBER | inherit }\n");
+ fprintf(stderr, " TOS := { STRING | 00..ff | inherit | inherit/STRING | inherit/00..ff }\n");
fprintf(stderr, " TTL := { 1..255 | inherit }\n");
fprintf(stderr, " KEY := { DOTTED_QUAD | NUMBER }\n");
exit(-1);
}
+static void set_tunnel_proto(struct ip_tunnel_parm *p, int proto)
+{
+ if (p->iph.protocol && p->iph.protocol != proto) {
+ fprintf(stderr,
+ "You managed to ask for more than one tunnel mode.\n");
+ exit(-1);
+ }
+ p->iph.protocol = proto;
+}
+
static int parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
{
int count = 0;
- char medium[IFNAMSIZ];
+ const char *medium = NULL;
int isatap = 0;
memset(p, 0, sizeof(*p));
- memset(&medium, 0, sizeof(medium));
-
p->iph.version = 4;
p->iph.ihl = 5;
#ifndef IP_DF
NEXT_ARG();
if (strcmp(*argv, "ipip") == 0 ||
strcmp(*argv, "ip/ip") == 0) {
- if (p->iph.protocol && p->iph.protocol != IPPROTO_IPIP) {
- fprintf(stderr,"You managed to ask for more than one tunnel mode.\n");
- exit(-1);
- }
- p->iph.protocol = IPPROTO_IPIP;
+ set_tunnel_proto(p, IPPROTO_IPIP);
} else if (strcmp(*argv, "gre") == 0 ||
strcmp(*argv, "gre/ip") == 0) {
- if (p->iph.protocol && p->iph.protocol != IPPROTO_GRE) {
- fprintf(stderr,"You managed to ask for more than one tunnel mode.\n");
- exit(-1);
- }
- p->iph.protocol = IPPROTO_GRE;
+ set_tunnel_proto(p, IPPROTO_GRE);
} else if (strcmp(*argv, "sit") == 0 ||
strcmp(*argv, "ipv6/ip") == 0) {
- if (p->iph.protocol && p->iph.protocol != IPPROTO_IPV6) {
- fprintf(stderr,"You managed to ask for more than one tunnel mode.\n");
- exit(-1);
- }
- p->iph.protocol = IPPROTO_IPV6;
+ set_tunnel_proto(p, IPPROTO_IPV6);
} else if (strcmp(*argv, "isatap") == 0) {
- if (p->iph.protocol && p->iph.protocol != IPPROTO_IPV6) {
- fprintf(stderr, "You managed to ask for more than one tunnel mode.\n");
- exit(-1);
- }
- p->iph.protocol = IPPROTO_IPV6;
+ set_tunnel_proto(p, IPPROTO_IPV6);
isatap++;
+ } else if (strcmp(*argv, "vti") == 0) {
+ set_tunnel_proto(p, IPPROTO_IPIP);
+ p->i_flags |= VTI_ISVTI;
} else {
- fprintf(stderr,"Cannot guess tunnel mode.\n");
+ fprintf(stderr,
+ "Unknown tunnel mode \"%s\"\n", *argv);
exit(-1);
}
} else if (strcmp(*argv, "key") == 0) {
- unsigned uval;
NEXT_ARG();
p->i_flags |= GRE_KEY;
p->o_flags |= GRE_KEY;
- if (strchr(*argv, '.'))
- p->i_key = p->o_key = get_addr32(*argv);
- else {
- if (get_unsigned(&uval, *argv, 0)<0) {
- fprintf(stderr, "invalid value of \"key\"\n");
- exit(-1);
- }
- p->i_key = p->o_key = htonl(uval);
- }
+ p->i_key = p->o_key = tnl_parse_key("key", *argv);
} else if (strcmp(*argv, "ikey") == 0) {
- unsigned uval;
NEXT_ARG();
p->i_flags |= GRE_KEY;
- if (strchr(*argv, '.'))
- p->i_key = get_addr32(*argv);
- else {
- if (get_unsigned(&uval, *argv, 0)<0) {
- fprintf(stderr, "invalid value of \"ikey\"\n");
- exit(-1);
- }
- p->i_key = htonl(uval);
- }
+ p->i_key = tnl_parse_key("ikey", *argv);
} else if (strcmp(*argv, "okey") == 0) {
- unsigned uval;
NEXT_ARG();
p->o_flags |= GRE_KEY;
- if (strchr(*argv, '.'))
- p->o_key = get_addr32(*argv);
- else {
- if (get_unsigned(&uval, *argv, 0)<0) {
- fprintf(stderr, "invalid value of \"okey\"\n");
- exit(-1);
- }
- p->o_key = htonl(uval);
- }
+ p->o_key = tnl_parse_key("okey", *argv);
} else if (strcmp(*argv, "seq") == 0) {
p->i_flags |= GRE_SEQ;
p->o_flags |= GRE_SEQ;
p->iph.frag_off = htons(IP_DF);
} else if (strcmp(*argv, "remote") == 0) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
- p->iph.daddr = get_addr32(*argv);
+ p->iph.daddr = get_addr32(*argv);
} else if (strcmp(*argv, "local") == 0) {
NEXT_ARG();
- if (strcmp(*argv, "any"))
- p->iph.saddr = get_addr32(*argv);
+ p->iph.saddr = get_addr32(*argv);
} else if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
- strncpy(medium, *argv, IFNAMSIZ-1);
- } else if (strcmp(*argv, "ttl") == 0) {
- unsigned uval;
+ medium = *argv;
+ } else if (strcmp(*argv, "ttl") == 0 ||
+ strcmp(*argv, "hoplimit") == 0 ||
+ strcmp(*argv, "hlim") == 0) {
+ __u8 uval;
+
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
- if (get_unsigned(&uval, *argv, 0))
+ if (get_u8(&uval, *argv, 0))
invarg("invalid TTL\n", *argv);
- if (uval > 255)
- invarg("TTL must be <=255\n", *argv);
p->iph.ttl = uval;
}
} else if (strcmp(*argv, "tos") == 0 ||
+ strcmp(*argv, "tclass") == 0 ||
matches(*argv, "dsfield") == 0) {
+ char *dsfield;
__u32 uval;
+
NEXT_ARG();
+ dsfield = *argv;
+ strsep(&dsfield, "/");
if (strcmp(*argv, "inherit") != 0) {
- if (rtnl_dsfield_a2n(&uval, *argv))
- invarg("bad TOS value", *argv);
- p->iph.tos = uval;
+ dsfield = *argv;
+ p->iph.tos = 0;
} else
p->iph.tos = 1;
+ if (dsfield) {
+ if (rtnl_dsfield_a2n(&uval, dsfield))
+ invarg("bad TOS value", *argv);
+ p->iph.tos |= uval;
+ }
} else {
- if (strcmp(*argv, "name") == 0) {
+ if (strcmp(*argv, "name") == 0)
NEXT_ARG();
- }
- if (matches(*argv, "help") == 0)
+ else if (matches(*argv, "help") == 0)
usage();
+
if (p->name[0])
duparg2("name", *argv);
- strncpy(p->name, *argv, IFNAMSIZ);
+ if (get_ifname(p->name, *argv))
+ invarg("\"name\" not a valid ifname", *argv);
if (cmd == SIOCCHGTUNNEL && count == 0) {
- struct ip_tunnel_parm old_p;
- memset(&old_p, 0, sizeof(old_p));
+ struct ip_tunnel_parm old_p = {};
+
if (tnl_get_ioctl(*argv, &old_p))
return -1;
*p = old_p;
else if (memcmp(p->name, "isatap", 6) == 0) {
p->iph.protocol = IPPROTO_IPV6;
isatap++;
+ } else if (memcmp(p->name, "vti", 3) == 0) {
+ p->iph.protocol = IPPROTO_IPIP;
+ p->i_flags |= VTI_ISVTI;
}
}
- if (p->iph.protocol == IPPROTO_IPIP || p->iph.protocol == IPPROTO_IPV6) {
- if ((p->i_flags & GRE_KEY) || (p->o_flags & GRE_KEY)) {
- fprintf(stderr, "Keys are not allowed with ipip and sit.\n");
+ if ((p->i_flags & GRE_KEY) || (p->o_flags & GRE_KEY)) {
+ if (!(p->i_flags & VTI_ISVTI) &&
+ (p->iph.protocol != IPPROTO_GRE)) {
+ fprintf(stderr, "Keys are not allowed with ipip and sit tunnels\n");
return -1;
}
}
- if (medium[0]) {
- p->link = tnl_ioctl_get_ifindex(medium);
- if (p->link == 0)
- return -1;
+ if (medium) {
+ p->link = ll_name_to_index(medium);
+ if (!p->link)
+ return nodev(medium);
}
if (p->i_key == 0 && IN_MULTICAST(ntohl(p->iph.daddr))) {
p->o_flags |= GRE_KEY;
}
if (IN_MULTICAST(ntohl(p->iph.daddr)) && !p->iph.saddr) {
- fprintf(stderr, "Broadcast tunnel requires a source address.\n");
+ fprintf(stderr, "A broadcast tunnel requires a source address\n");
return -1;
}
- if (isatap) {
- if (p->iph.daddr) {
- fprintf(stderr, "no remote with isatap.\n");
- return -1;
- }
+ if (isatap)
p->i_flags |= SIT_ISATAP;
- }
return 0;
}
+static const char *tnl_defname(const struct ip_tunnel_parm *p)
+{
+ switch (p->iph.protocol) {
+ case IPPROTO_IPIP:
+ if (p->i_flags & VTI_ISVTI)
+ return "ip_vti0";
+ else
+ return "tunl0";
+ case IPPROTO_GRE:
+ return "gre0";
+ case IPPROTO_IPV6:
+ return "sit0";
+ }
+ return NULL;
+}
static int do_add(int cmd, int argc, char **argv)
{
struct ip_tunnel_parm p;
+ const char *basedev;
if (parse_args(argc, argv, cmd, &p) < 0)
return -1;
if (p.iph.ttl && p.iph.frag_off == 0) {
- fprintf(stderr, "ttl != 0 and noptmudisc are incompatible\n");
+ fprintf(stderr, "ttl != 0 and nopmtudisc are incompatible\n");
return -1;
}
- switch (p.iph.protocol) {
- case IPPROTO_IPIP:
- return tnl_add_ioctl(cmd, "tunl0", p.name, &p);
- case IPPROTO_GRE:
- return tnl_add_ioctl(cmd, "gre0", p.name, &p);
- case IPPROTO_IPV6:
- return tnl_add_ioctl(cmd, "sit0", p.name, &p);
- default:
- fprintf(stderr, "cannot determine tunnel mode (ipip, gre or sit)\n");
+ basedev = tnl_defname(&p);
+ if (!basedev) {
+ fprintf(stderr,
+ "cannot determine tunnel mode (ipip, gre, vti or sit)\n");
return -1;
}
- return -1;
+
+ return tnl_add_ioctl(cmd, basedev, p.name, &p);
}
static int do_del(int argc, char **argv)
if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0)
return -1;
- switch (p.iph.protocol) {
- case IPPROTO_IPIP:
- return tnl_del_ioctl("tunl0", p.name, &p);
- case IPPROTO_GRE:
- return tnl_del_ioctl("gre0", p.name, &p);
- case IPPROTO_IPV6:
- return tnl_del_ioctl("sit0", p.name, &p);
- default:
- return tnl_del_ioctl(p.name, p.name, &p);
- }
- return -1;
+ return tnl_del_ioctl(tnl_defname(&p) ? : p.name, p.name, &p);
}
-static void print_tunnel(struct ip_tunnel_parm *p)
+static void print_tunnel(const void *t)
{
+ const struct ip_tunnel_parm *p = t;
+ struct ip_tunnel_6rd ip6rd = {};
char s1[1024];
char s2[1024];
- char s3[64];
- char s4[64];
-
- inet_ntop(AF_INET, &p->i_key, s3, sizeof(s3));
- inet_ntop(AF_INET, &p->o_key, s4, sizeof(s4));
/* Do not use format_host() for local addr,
* symbolic name will not be useful.
*/
- printf("%s: %s/ip remote %s local %s ",
+ printf("%s: %s/ip remote %s local %s",
p->name,
tnl_strproto(p->iph.protocol),
- p->iph.daddr ? format_host(AF_INET, 4, &p->iph.daddr, s1, sizeof(s1)) : "any",
- p->iph.saddr ? rt_addr_n2a(AF_INET, 4, &p->iph.saddr, s2, sizeof(s2)) : "any");
+ p->iph.daddr ? format_host_r(AF_INET, 4, &p->iph.daddr, s1, sizeof(s1)) : "any",
+ p->iph.saddr ? rt_addr_n2a_r(AF_INET, 4, &p->iph.saddr, s2, sizeof(s2)) : "any");
+
+ if (p->iph.protocol == IPPROTO_IPV6 && (p->i_flags & SIT_ISATAP)) {
+ struct ip_tunnel_prl prl[16] = {};
+ int i;
+
+ prl[0].datalen = sizeof(prl) - sizeof(prl[0]);
+ prl[0].addr = htonl(INADDR_ANY);
+
+ if (!tnl_prl_ioctl(SIOCGETPRL, p->name, prl))
+ for (i = 1; i < ARRAY_SIZE(prl); i++) {
+ if (prl[i].addr != htonl(INADDR_ANY)) {
+ printf(" %s %s ",
+ (prl[i].flags & PRL_DEFAULT) ? "pdr" : "pr",
+ format_host(AF_INET, 4, &prl[i].addr));
+ }
+ }
+ }
if (p->link) {
- char *n = tnl_ioctl_get_ifname(p->link);
+ const char *n = ll_index_to_name(p->link);
+
if (n)
- printf(" dev %s ", n);
+ printf(" dev %s", n);
}
if (p->iph.ttl)
- printf(" ttl %d ", p->iph.ttl);
+ printf(" ttl %u", p->iph.ttl);
else
- printf(" ttl inherit ");
+ printf(" ttl inherit");
if (p->iph.tos) {
SPRINT_BUF(b1);
printf(" tos");
- if (p->iph.tos&1)
+ if (p->iph.tos & 1)
printf(" inherit");
- if (p->iph.tos&~1)
- printf("%c%s ", p->iph.tos&1 ? '/' : ' ',
- rtnl_dsfield_n2a(p->iph.tos&~1, b1, sizeof(b1)));
+ if (p->iph.tos & ~1)
+ printf("%c%s ", p->iph.tos & 1 ? '/' : ' ',
+ rtnl_dsfield_n2a(p->iph.tos & ~1, b1, sizeof(b1)));
}
- if (!(p->iph.frag_off&htons(IP_DF)))
+ if (!(p->iph.frag_off & htons(IP_DF)))
printf(" nopmtudisc");
- if ((p->i_flags&GRE_KEY) && (p->o_flags&GRE_KEY) && p->o_key == p->i_key)
- printf(" key %s", s3);
- else if ((p->i_flags|p->o_flags)&GRE_KEY) {
- if (p->i_flags&GRE_KEY)
- printf(" ikey %s ", s3);
- if (p->o_flags&GRE_KEY)
- printf(" okey %s ", s4);
+ if (p->iph.protocol == IPPROTO_IPV6 && !tnl_ioctl_get_6rd(p->name, &ip6rd) && ip6rd.prefixlen) {
+ printf(" 6rd-prefix %s/%u",
+ inet_ntop(AF_INET6, &ip6rd.prefix, s1, sizeof(s1)),
+ ip6rd.prefixlen);
+ if (ip6rd.relay_prefix) {
+ printf(" 6rd-relay_prefix %s/%u",
+ format_host(AF_INET, 4, &ip6rd.relay_prefix),
+ ip6rd.relay_prefixlen);
+ }
+ }
+
+ if ((p->i_flags & GRE_KEY) && (p->o_flags & GRE_KEY) && p->o_key == p->i_key)
+ printf(" key %u", ntohl(p->i_key));
+ else if ((p->i_flags | p->o_flags) & GRE_KEY) {
+ if (p->i_flags & GRE_KEY)
+ printf(" ikey %u", ntohl(p->i_key));
+ if (p->o_flags & GRE_KEY)
+ printf(" okey %u", ntohl(p->o_key));
}
- if (p->i_flags&GRE_SEQ)
- printf("%s Drop packets out of sequence.\n", _SL_);
- if (p->i_flags&GRE_CSUM)
+ if (p->i_flags & GRE_SEQ)
+ printf("%s Drop packets out of sequence.", _SL_);
+ if (p->i_flags & GRE_CSUM)
printf("%s Checksum in received packet is required.", _SL_);
- if (p->o_flags&GRE_SEQ)
+ if (p->o_flags & GRE_SEQ)
printf("%s Sequence packets on output.", _SL_);
- if (p->o_flags&GRE_CSUM)
+ if (p->o_flags & GRE_CSUM)
printf("%s Checksum output packets.", _SL_);
}
-static int do_tunnels_list(struct ip_tunnel_parm *p)
+
+static void ip_tunnel_parm_initialize(const struct tnl_print_nlmsg_info *info)
{
- char name[IFNAMSIZ];
- unsigned long rx_bytes, rx_packets, rx_errs, rx_drops,
- rx_fifo, rx_frame,
- tx_bytes, tx_packets, tx_errs, tx_drops,
- tx_fifo, tx_colls, tx_carrier, rx_multi;
- int type;
- struct ip_tunnel_parm p1;
-
- char buf[512];
- FILE *fp = fopen("/proc/net/dev", "r");
- if (fp == NULL) {
- perror("fopen");
- return -1;
- }
+ struct ip_tunnel_parm *p2 = info->p2;
- fgets(buf, sizeof(buf), fp);
- fgets(buf, sizeof(buf), fp);
+ memset(p2, 0, sizeof(*p2));
+}
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- char *ptr;
- buf[sizeof(buf) - 1] = 0;
- if ((ptr = strchr(buf, ':')) == NULL ||
- (*ptr++ = 0, sscanf(buf, "%s", name) != 1)) {
- fprintf(stderr, "Wrong format of /proc/net/dev. Sorry.\n");
- return -1;
- }
- if (sscanf(ptr, "%ld%ld%ld%ld%ld%ld%ld%*d%ld%ld%ld%ld%ld%ld%ld",
- &rx_bytes, &rx_packets, &rx_errs, &rx_drops,
- &rx_fifo, &rx_frame, &rx_multi,
- &tx_bytes, &tx_packets, &tx_errs, &tx_drops,
- &tx_fifo, &tx_colls, &tx_carrier) != 14)
- continue;
- if (p->name[0] && strcmp(p->name, name))
- continue;
- type = tnl_ioctl_get_iftype(name);
- if (type == -1) {
- fprintf(stderr, "Failed to get type of [%s]\n", name);
- continue;
- }
- if (type != ARPHRD_TUNNEL && type != ARPHRD_IPGRE && type != ARPHRD_SIT)
- continue;
- memset(&p1, 0, sizeof(p1));
- if (tnl_get_ioctl(name, &p1))
- continue;
- if ((p->link && p1.link != p->link) ||
- (p->name[0] && strcmp(p1.name, p->name)) ||
- (p->iph.daddr && p1.iph.daddr != p->iph.daddr) ||
- (p->iph.saddr && p1.iph.saddr != p->iph.saddr) ||
- (p->i_key && p1.i_key != p->i_key))
- continue;
- print_tunnel(&p1);
- if (show_stats) {
- printf("%s", _SL_);
- printf("RX: Packets Bytes Errors CsumErrs OutOfSeq Mcasts%s", _SL_);
- printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-8ld%s",
- rx_packets, rx_bytes, rx_errs, rx_frame, rx_fifo, rx_multi, _SL_);
- printf("TX: Packets Bytes Errors DeadLoop NoRoute NoBufs%s", _SL_);
- printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-6ld",
- tx_packets, tx_bytes, tx_errs, tx_colls, tx_carrier, tx_drops);
- }
- printf("\n");
- }
- return 0;
+static bool ip_tunnel_parm_match(const struct tnl_print_nlmsg_info *info)
+{
+ const struct ip_tunnel_parm *p1 = info->p1;
+ const struct ip_tunnel_parm *p2 = info->p2;
+
+ return ((!p1->link || p1->link == p2->link) &&
+ (!p1->name[0] || strcmp(p1->name, p2->name) == 0) &&
+ (!p1->iph.daddr || p1->iph.daddr == p2->iph.daddr) &&
+ (!p1->iph.saddr || p1->iph.saddr == p2->iph.saddr) &&
+ (!p1->i_key || p1->i_key == p2->i_key));
}
static int do_show(int argc, char **argv)
{
- int err;
- struct ip_tunnel_parm p;
+ struct ip_tunnel_parm p, p1;
+ const char *basedev;
if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0)
return -1;
- switch (p.iph.protocol) {
- case IPPROTO_IPIP:
- err = tnl_get_ioctl(p.name[0] ? p.name : "tunl0", &p);
- break;
- case IPPROTO_GRE:
- err = tnl_get_ioctl(p.name[0] ? p.name : "gre0", &p);
- break;
- case IPPROTO_IPV6:
- err = tnl_get_ioctl(p.name[0] ? p.name : "sit0", &p);
- break;
- default:
- do_tunnels_list(&p);
- return 0;
+ basedev = tnl_defname(&p);
+ if (!basedev) {
+ struct tnl_print_nlmsg_info info = {
+ .p1 = &p,
+ .p2 = &p1,
+ .init = ip_tunnel_parm_initialize,
+ .match = ip_tunnel_parm_match,
+ .print = print_tunnel,
+ };
+
+ return do_tunnels_list(&info);
}
- if (err)
+
+ if (tnl_get_ioctl(p.name[0] ? p.name : basedev, &p))
return -1;
print_tunnel(&p);
- printf("\n");
+ fputc('\n', stdout);
+ return 0;
+}
+
+static int do_prl(int argc, char **argv)
+{
+ struct ip_tunnel_prl p = {};
+ int count = 0;
+ int cmd = 0;
+ const char *medium = NULL;
+
+ while (argc > 0) {
+ if (strcmp(*argv, "prl-default") == 0) {
+ NEXT_ARG();
+ cmd = SIOCADDPRL;
+ p.addr = get_addr32(*argv);
+ p.flags |= PRL_DEFAULT;
+ count++;
+ } else if (strcmp(*argv, "prl-nodefault") == 0) {
+ NEXT_ARG();
+ cmd = SIOCADDPRL;
+ p.addr = get_addr32(*argv);
+ count++;
+ } else if (strcmp(*argv, "prl-delete") == 0) {
+ NEXT_ARG();
+ cmd = SIOCDELPRL;
+ p.addr = get_addr32(*argv);
+ count++;
+ } else if (strcmp(*argv, "dev") == 0) {
+ NEXT_ARG();
+ if (check_ifname(*argv))
+ invarg("\"dev\" not a valid ifname", *argv);
+ medium = *argv;
+ } else {
+ fprintf(stderr,
+ "Invalid PRL parameter \"%s\"\n", *argv);
+ exit(-1);
+ }
+ if (count > 1) {
+ fprintf(stderr,
+ "One PRL entry at a time\n");
+ exit(-1);
+ }
+ argc--; argv++;
+ }
+ if (!medium) {
+ fprintf(stderr, "Must specify device\n");
+ exit(-1);
+ }
+
+ return tnl_prl_ioctl(cmd, medium, &p);
+}
+
+static int do_6rd(int argc, char **argv)
+{
+ struct ip_tunnel_6rd ip6rd = {};
+ int cmd = 0;
+ const char *medium = NULL;
+ inet_prefix prefix;
+
+ while (argc > 0) {
+ if (strcmp(*argv, "6rd-prefix") == 0) {
+ NEXT_ARG();
+ if (get_prefix(&prefix, *argv, AF_INET6))
+ invarg("invalid 6rd_prefix\n", *argv);
+ cmd = SIOCADD6RD;
+ memcpy(&ip6rd.prefix, prefix.data, 16);
+ ip6rd.prefixlen = prefix.bitlen;
+ } else if (strcmp(*argv, "6rd-relay_prefix") == 0) {
+ NEXT_ARG();
+ if (get_prefix(&prefix, *argv, AF_INET))
+ invarg("invalid 6rd-relay_prefix\n", *argv);
+ cmd = SIOCADD6RD;
+ memcpy(&ip6rd.relay_prefix, prefix.data, 4);
+ ip6rd.relay_prefixlen = prefix.bitlen;
+ } else if (strcmp(*argv, "6rd-reset") == 0) {
+ cmd = SIOCDEL6RD;
+ } else if (strcmp(*argv, "dev") == 0) {
+ NEXT_ARG();
+ if (check_ifname(*argv))
+ invarg("\"dev\" not a valid ifname", *argv);
+ medium = *argv;
+ } else {
+ fprintf(stderr,
+ "Invalid 6RD parameter \"%s\"\n", *argv);
+ exit(-1);
+ }
+ argc--; argv++;
+ }
+ if (!medium) {
+ fprintf(stderr, "Must specify device\n");
+ exit(-1);
+ }
+
+ return tnl_6rd_ioctl(cmd, medium, &ip6rd);
+}
+
+static int tunnel_mode_is_ipv6(char *tunnel_mode)
+{
+ static const char * const ipv6_modes[] = {
+ "ipv6/ipv6", "ip6ip6",
+ "vti6",
+ "ip/ipv6", "ipv4/ipv6", "ipip6", "ip4ip6",
+ "ip6gre", "gre/ipv6",
+ "any/ipv6", "any"
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ipv6_modes); i++) {
+ if (strcmp(ipv6_modes[i], tunnel_mode) == 0)
+ return 1;
+ }
return 0;
}
int do_iptunnel(int argc, char **argv)
{
+ int i;
+
+ for (i = 0; i < argc - 1; i++) {
+ if (strcmp(argv[i], "mode") == 0) {
+ if (tunnel_mode_is_ipv6(argv[i + 1]))
+ preferred_family = AF_INET6;
+ break;
+ }
+ }
switch (preferred_family) {
case AF_UNSPEC:
preferred_family = AF_INET;
case AF_INET6:
return do_ip6tunnel(argc, argv);
default:
- fprintf(stderr, "Unsupported family:%d\n", preferred_family);
+ fprintf(stderr, "Unsupported protocol family: %d\n", preferred_family);
exit(-1);
}
if (argc > 0) {
if (matches(*argv, "add") == 0)
- return do_add(SIOCADDTUNNEL, argc-1, argv+1);
+ return do_add(SIOCADDTUNNEL, argc - 1, argv + 1);
if (matches(*argv, "change") == 0)
- return do_add(SIOCCHGTUNNEL, argc-1, argv+1);
- if (matches(*argv, "del") == 0)
- return do_del(argc-1, argv+1);
+ return do_add(SIOCCHGTUNNEL, argc - 1, argv + 1);
+ if (matches(*argv, "delete") == 0)
+ return do_del(argc - 1, argv + 1);
if (matches(*argv, "show") == 0 ||
matches(*argv, "lst") == 0 ||
matches(*argv, "list") == 0)
- return do_show(argc-1, argv+1);
+ return do_show(argc - 1, argv + 1);
+ if (matches(*argv, "prl") == 0)
+ return do_prl(argc - 1, argv + 1);
+ if (matches(*argv, "6rd") == 0)
+ return do_6rd(argc - 1, argv + 1);
if (matches(*argv, "help") == 0)
usage();
} else
return do_show(0, NULL);
- fprintf(stderr, "Command \"%s\" is unknown, try \"ip tunnel help\".\n", *argv);
+ fprintf(stderr, "Command \"%s\" is unknown, try \"ip tunnel help\"\n", *argv);
exit(-1);
}
projects / mirror_iproute2.git / blobdiff