Ejemplo n.º 1
0
static int accept_msg(const struct sockaddr_nl *who,
		      struct rtnl_ctrl_data *ctrl,
		      struct nlmsghdr *n, void *arg)
{
	FILE *fp = arg;

	if (timestamp)
		print_timestamp(fp);

	switch (n->nlmsg_type) {
	case RTM_NEWLINK:
	case RTM_DELLINK:
		if (prefix_banner)
			fprintf(fp, "[LINK]");

		return print_linkinfo(who, n, arg);

	case RTM_NEWNEIGH:
	case RTM_DELNEIGH:
		if (prefix_banner)
			fprintf(fp, "[NEIGH]");
		return print_fdb(who, n, arg);

	case RTM_NEWMDB:
	case RTM_DELMDB:
		if (prefix_banner)
			fprintf(fp, "[MDB]");
		return print_mdb(who, n, arg);

	case NLMSG_TSTAMP:
		print_nlmsg_timestamp(fp, n);
		return 0;

	default:
		return 0;
	}
}
Ejemplo n.º 2
0
static int accept_msg(const struct sockaddr_nl *who,
		      struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE*)arg;

	if (n->nlmsg_type == RTM_NEWROUTE || n->nlmsg_type == RTM_DELROUTE) {
		struct rtmsg *r = NLMSG_DATA(n);
		int len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*r));

		if (len < 0) {
			fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
			return -1;
		}

		if (r->rtm_flags & RTM_F_CLONED)
			return 0;

		if (timestamp)
			print_timestamp(fp);

		if (r->rtm_family == RTNL_FAMILY_IPMR ||
		    r->rtm_family == RTNL_FAMILY_IP6MR) {
			if (prefix_banner)
				fprintf(fp, "[MROUTE]");
			print_mroute(who, n, arg);
			return 0;
		} else {
			if (prefix_banner)
				fprintf(fp, "[ROUTE]");
			print_route(who, n, arg);
			return 0;
		}
	}

	if (timestamp)
		print_timestamp(fp);

	if (n->nlmsg_type == RTM_NEWLINK || n->nlmsg_type == RTM_DELLINK) {
		ll_remember_index(who, n, NULL);
		if (prefix_banner)
			fprintf(fp, "[LINK]");
		print_linkinfo(who, n, arg);
		return 0;
	}
	if (n->nlmsg_type == RTM_NEWADDR || n->nlmsg_type == RTM_DELADDR) {
		if (prefix_banner)
			fprintf(fp, "[ADDR]");
		print_addrinfo(who, n, arg);
		return 0;
	}
	if (n->nlmsg_type == RTM_NEWADDRLABEL || n->nlmsg_type == RTM_DELADDRLABEL) {
		if (prefix_banner)
			fprintf(fp, "[ADDRLABEL]");
		print_addrlabel(who, n, arg);
		return 0;
	}
	if (n->nlmsg_type == RTM_NEWNEIGH || n->nlmsg_type == RTM_DELNEIGH ||
	    n->nlmsg_type == RTM_GETNEIGH) {
		if (preferred_family) {
			struct ndmsg *r = NLMSG_DATA(n);

			if (r->ndm_family != preferred_family)
				return 0;
		}

		if (prefix_banner)
			fprintf(fp, "[NEIGH]");
		print_neigh(who, n, arg);
		return 0;
	}
	if (n->nlmsg_type == RTM_NEWPREFIX) {
		if (prefix_banner)
			fprintf(fp, "[PREFIX]");
		print_prefix(who, n, arg);
		return 0;
	}
	if (n->nlmsg_type == RTM_NEWRULE || n->nlmsg_type == RTM_DELRULE) {
		if (prefix_banner)
			fprintf(fp, "[RULE]");
		print_rule(who, n, arg);
		return 0;
	}
	if (n->nlmsg_type == RTM_NEWNETCONF) {
		if (prefix_banner)
			fprintf(fp, "[NETCONF]");
		print_netconf(who, n, arg);
		return 0;
	}
	if (n->nlmsg_type == NLMSG_TSTAMP) {
		print_nlmsg_timestamp(fp, n);
		return 0;
	}
	if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
	    n->nlmsg_type != NLMSG_DONE) {
		fprintf(fp, "Unknown message: type=0x%08x(%d) flags=0x%08x(%d)"
			"len=0x%08x(%d)\n", n->nlmsg_type, n->nlmsg_type,
			n->nlmsg_flags, n->nlmsg_flags, n->nlmsg_len,
			n->nlmsg_len);
	}
	return 0;
}