Beispiel #1
0
static int do_del(int argc, char **argv)
{
	struct ip6_tnl_parm p;

	ip6_tnl_parm_init(&p, 1);

	if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0)
		return -1;

	return tnl_del_ioctl(p.name[0] ? p.name : "ip6tnl0", p.name, &p);
}
Beispiel #2
0
static int do_add(int cmd, int argc, char **argv)
{
	struct ip6_tnl_parm p;

	ip6_tnl_parm_init(&p, 1);

	if (parse_args(argc, argv, cmd, &p) < 0)
		return -1;

	return tnl_add_ioctl(cmd,
			     cmd == SIOCCHGTUNNEL && p.name[0] ?
			     p.name : "ip6tnl0", p.name, &p);
}
static int do_del(int argc, char **argv)
{
	struct ip6_tnl_parm2 p;
	const char *basedev = "ip6tnl0";

	ip6_tnl_parm_init(&p, 1);

	if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0)
		return -1;

	if (p.proto == IPPROTO_GRE)
		basedev = "ip6gre0";
	else if (p.i_flags & VTI_ISVTI)
		basedev = "ip6_vti0";

	return tnl_del_ioctl(basedev, p.name, &p);
}
Beispiel #4
0
static int do_del(int argc, char **argv)
{
	struct ip6_tnl_parm2 p;

	ip6_tnl_parm_init(&p, 1);

	if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0)
		return -1;

	switch (p.proto) {
	case IPPROTO_IPIP:
	case IPPROTO_IPV6:
		return tnl_del_ioctl("ip6tnl0", p.name, &p);
	case IPPROTO_GRE:
		return tnl_del_ioctl("ip6gre0", p.name, &p);
	default:
		return tnl_del_ioctl(p.name, p.name, &p);
	}
	return -1;
}
Beispiel #5
0
static int do_add(int cmd, int argc, char **argv)
{
	struct ip6_tnl_parm2 p;

	ip6_tnl_parm_init(&p, 1);

	if (parse_args(argc, argv, cmd, &p) < 0)
		return -1;

	switch (p.proto) {
	case IPPROTO_IPIP:
	case IPPROTO_IPV6:
		return tnl_add_ioctl(cmd, "ip6tnl0", p.name, &p);
	case IPPROTO_GRE:
		return tnl_add_ioctl(cmd, "ip6gre0", p.name, &p);
	default:
		fprintf(stderr, "cannot determine tunnel mode (ip6ip6, ipip6 or gre)\n");
	}
	return -1;
}
static int do_show(int argc, char **argv)
{
        struct ip6_tnl_parm p;

	ip6_tnl_parm_init(&p, 0);

        if (parse_args(argc, argv, &p) < 0)
                return -1;

	if (!p.name[0] || show_stats)
		do_tunnels_list(&p);
	else {
		if (tnl_get_ioctl(p.name, &p))
			return -1;
		print_tunnel(&p);
		printf("\n");
	}

        return 0;
}
Beispiel #7
0
static int do_show(int argc, char **argv)
{
        struct ip6_tnl_parm p;

	ll_init_map(&rth);
	ip6_tnl_parm_init(&p, 0);
	p.proto = 0;  /* default to any */

        if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0)
                return -1;

	if (!p.name[0] || show_stats)
		do_tunnels_list(&p);
	else {
		if (tnl_get_ioctl(p.name, &p))
			return -1;
		print_tunnel(&p);
		printf("\n");
	}

        return 0;
}
Beispiel #8
0
static int do_tunnels_list(struct ip6_tnl_parm *p)
{
	char buf[512];
	int err = -1;
	FILE *fp = fopen("/proc/net/dev", "r");
	if (fp == NULL) {
		perror("fopen");
		goto end;
	}

	/* skip two lines at the begenning of the file */
	if (!fgets(buf, sizeof(buf), fp) ||
	    !fgets(buf, sizeof(buf), fp)) {
		fprintf(stderr, "/proc/net/dev read error\n");
		return -1;
	}

	while (fgets(buf, sizeof(buf), fp) != NULL) {
		char name[IFNAMSIZ];
		int index, type;
		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;
		struct ip6_tnl_parm p1;
		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");
			goto end;
		}
		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;
		index = ll_name_to_index(name);
		if (index == 0)
			continue;
		type = ll_index_to_type(index);
		if (type == -1) {
			fprintf(stderr, "Failed to get type of [%s]\n", name);
			continue;
		}
		if (type != ARPHRD_TUNNEL6)
			continue;
		memset(&p1, 0, sizeof(p1));
		ip6_tnl_parm_init(&p1, 0);
		strcpy(p1.name, name);
		p1.link = ll_name_to_index(p1.name);
		if (p1.link == 0)
			continue;
		if (tnl_get_ioctl(p1.name, &p1))
			continue;
		if (!ip6_tnl_parm_match(p, &p1))
			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");
	}
	err = 0;

 end:
	if (fp)
		fclose(fp);
	return err;
}
static int do_tunnels_list(struct ip6_tnl_parm2 *p)
{
	char buf[512];
	int err = -1;
	FILE *fp = fopen("/proc/net/dev", "r");

	if (fp == NULL) {
		perror("fopen");
		return -1;
	}

	/* skip two lines at the begenning of the file */
	if (!fgets(buf, sizeof(buf), fp) ||
	    !fgets(buf, sizeof(buf), fp)) {
		fprintf(stderr, "/proc/net/dev read error\n");
		goto end;
	}

	while (fgets(buf, sizeof(buf), fp) != NULL) {
		char name[IFNAMSIZ];
		int index, type;
		struct ip6_tnl_parm2 p1 = {};
		char *ptr;

		buf[sizeof(buf) - 1] = '\0';
		if ((ptr = strchr(buf, ':')) == NULL ||
		    (*ptr++ = 0, sscanf(buf, "%s", name) != 1)) {
			fprintf(stderr, "Wrong format for /proc/net/dev. Giving up.\n");
			goto end;
		}
		if (p->name[0] && strcmp(p->name, name))
			continue;
		index = ll_name_to_index(name);
		if (index == 0)
			continue;
		type = ll_index_to_type(index);
		if (type == -1) {
			fprintf(stderr, "Failed to get type of \"%s\"\n", name);
			continue;
		}
		if (type != ARPHRD_TUNNEL6 && type != ARPHRD_IP6GRE)
			continue;
		ip6_tnl_parm_init(&p1, 0);
		if (type == ARPHRD_IP6GRE)
			p1.proto = IPPROTO_GRE;
		strcpy(p1.name, name);
		p1.link = ll_name_to_index(p1.name);
		if (p1.link == 0)
			continue;
		if (tnl_get_ioctl(p1.name, &p1))
			continue;
		if (!ip6_tnl_parm_match(p, &p1))
			continue;
		print_tunnel(&p1);
		if (show_stats)
			tnl_print_stats(ptr);
		printf("\n");
	}
	err = 0;
 end:
	fclose(fp);
	return err;
}