Пример #1
0
static int ipnetns_have_nsid(void)
{
	struct {
		struct nlmsghdr n;
		struct rtgenmsg g;
		char            buf[1024];
	} req;
	int fd;

	if (have_rtnl_getnsid < 0) {
		memset(&req, 0, sizeof(req));
		req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtgenmsg));
		req.n.nlmsg_flags = NLM_F_REQUEST;
		req.n.nlmsg_type = RTM_GETNSID;
		req.g.rtgen_family = AF_UNSPEC;

		fd = open("/proc/self/ns/net", O_RDONLY);
		if (fd < 0) {
			perror("open(\"/proc/self/ns/net\")");
			exit(1);
		}

		addattr32(&req.n, 1024, NETNSA_FD, fd);

		if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
			perror("request send failed");
			exit(1);
		}
		rtnl_listen(&rth, ipnetns_accept_msg, NULL);
		close(fd);
	}

	return have_rtnl_getnsid;
}
Пример #2
0
static int do_show(int argc, char **argv)
{
	struct {
		struct nlmsghdr		n;
		struct netconfmsg	ncm;
		char			buf[1024];
	} req;

	ipnetconf_reset_filter(0);
	filter.family = preferred_family;
	if (filter.family == AF_UNSPEC)
		filter.family = AF_INET;

	while (argc > 0) {
		if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			filter.ifindex = ll_name_to_index(*argv);
			if (filter.ifindex <= 0) {
				fprintf(stderr, "Device \"%s\" does not exist.\n",
					*argv);
				return -1;
			}
		}
		argv++; argc--;
	}

	ll_init_map(&rth);
	if (filter.ifindex) {
		memset(&req, 0, sizeof(req));
		req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct netconfmsg));
		req.n.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK;
		req.n.nlmsg_type = RTM_GETNETCONF;
		req.ncm.ncm_family = filter.family;
		if (filter.ifindex)
			addattr_l(&req.n, sizeof(req), NETCONFA_IFINDEX,
				  &filter.ifindex, sizeof(filter.ifindex));

		if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
			perror("Can not send request");
			exit(1);
		}
		rtnl_listen(&rth, print_netconf, stdout);
	} else {
dump:
		if (rtnl_wilddump_request(&rth, filter.family, RTM_GETNETCONF) < 0) {
			perror("Cannot send dump request");
			exit(1);
		}
		if (rtnl_dump_filter(&rth, print_netconf2, stdout) < 0) {
			fprintf(stderr, "Dump terminated\n");
			exit(1);
		}
		if (preferred_family == AF_UNSPEC) {
			preferred_family = AF_INET6;
			filter.family = AF_INET6;
			goto dump;
		}
	}
	return 0;
}
Пример #3
0
static int
iplink_have_newlink(void)                                                        
{
    struct iplink_req req;
    struct softgred_config *cfg = softgred_config_ref();

    if (have_rtnl_newlink < 0)
    {
        memset(&req, 0, sizeof(req));

        req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
        req.n.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK;
        req.n.nlmsg_type = RTM_NEWLINK;
        req.i.ifi_family = AF_UNSPEC;

        if (rtnl_send(&cfg->rth, &req.n, req.n.nlmsg_len) < 0)
        {
            perror("request send failed");
            exit(1);
        }

        rtnl_listen(&cfg->rth, accept_msg, NULL);
    }
    return have_rtnl_newlink;
}
Пример #4
0
static inline void br_ev_handler(uint32_t events, struct epoll_event_handler *h)
{
    if(rtnl_listen(&rth, dump_msg, stdout) < 0)
    {
        fprintf(stderr, "Error on bridge monitoring socket\n");
        exit(-1);
    }
}
Пример #5
0
int do_monitor(int argc, char **argv)
{
	char *file = NULL;
	unsigned groups = ~RTMGRP_TC;
	int llink=0;
	int lneigh=0;

	rtnl_close(&rth);

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (matches(*argv, "link") == 0) {
			llink=1;
			groups = 0;
		} else if (matches(*argv, "fdb") == 0) {
			lneigh = 1;
			groups = 0;
		} else if (strcmp(*argv, "all") == 0) {
			groups = ~RTMGRP_TC;
			prefix_banner=1;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"bridge monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	if (llink)
		groups |= nl_mgrp(RTNLGRP_LINK);

	if (lneigh) {
		groups |= nl_mgrp(RTNLGRP_NEIGH);
	}

	if (file) {
		FILE *fp;
		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		return rtnl_from_file(fp, accept_msg, stdout);
	}

	if (rtnl_open(&rth, groups) < 0)
		exit(1);
	ll_init_map(&rth);

	if (rtnl_listen(&rth, accept_msg, stdout) < 0)
		exit(2);

	return 0;
}
Пример #6
0
int test_look_interface_changes(){

	struct rtnl_handle rth;
	if (rtnl_open(&rth, RTNLGRP_LINK) < 0){
		printf("cannot open rtnetlink\n");
		return -1;
	}
	
	int status = rtnl_listen(&rth,test_handle,0);

	rtnl_close(&rth);
	return status;
}
Пример #7
0
int look_interface_changes(){

	if (rtnl_open(&rtnl_interface, RTNLGRP_LINK) < 0){
		printf("cannot open rtnetlink\n");
		return -1;
	}

	int status = rtnl_listen(&rtnl_interface,handle,0);

	rtnl_close(&rtnl_interface);
	printf("RTNL OFF\n");
	return status;
}
Пример #8
0
static int ctrl_listen(int argc, char **argv)
{
	struct rtnl_handle rth;

	if (rtnl_open_byproto(&rth, nl_mgrp(GENL_ID_CTRL), NETLINK_GENERIC) < 0) {
		fprintf(stderr, "Canot open generic netlink socket\n");
		return -1;
	}

	if (rtnl_listen(&rth, print_ctrl, (void *) stdout) < 0)
		return -1;

	return 0;
}
Пример #9
0
int do_xfrm_monitor(int argc, char **argv)
{
	struct rtnl_handle rth;
	char *file = NULL;
	unsigned groups = ~((unsigned)0); /* XXX */
	int lacquire=0;
	int lexpire=0;

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (matches(*argv, "acquire") == 0) {
			lacquire=1;
			groups = 0;
		} else if (matches(*argv, "expire") == 0) {
			lexpire=1;
			groups = 0;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	if (lacquire)
		groups |= XFRMGRP_ACQUIRE;
	if (lexpire)
		groups |= XFRMGRP_EXPIRE;

	if (file) {
		FILE *fp;
		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		return rtnl_from_file(fp, xfrm_accept_msg, (void*)stdout);
	}

	//ll_init_map(&rth);

	if (rtnl_listen(&rth, xfrm_accept_msg, (void*)stdout) < 0)
		exit(2);

	return 0;
}
Пример #10
0
int do_tcmonitor(int argc, char **argv)
{
	struct rtnl_handle rth;
	char *file = NULL;
	unsigned groups = nl_mgrp(RTNLGRP_TC);

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else {
			if (matches(*argv, "help") == 0) {
				usage();
			} else {
				fprintf(stderr, "Argument \"%s\" is unknown, try \"tc monitor help\".\n", *argv);
				exit(-1);
			}
		}
		argc--;	argv++;
	}

	if (file) {
		FILE *fp;
		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		return rtnl_from_file(fp, accept_tcmsg, (void*)stdout);
	}

	if (rtnl_open(&rth, groups) < 0)
		exit(1);

	ll_init_map(&rth);

	if (rtnl_listen(&rth, accept_tcmsg, (void*)stdout) < 0) {
		rtnl_close(&rth);
		exit(2);
	}

	rtnl_close(&rth);
	exit(0);
}
Пример #11
0
static int iplink_have_newlink(void)
{
	struct {
		struct nlmsghdr		n;
		struct ifinfomsg	i;
		char			buf[1024];
	} req = {
		.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
		.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,
		.n.nlmsg_type = RTM_NEWLINK,
		.i.ifi_family = AF_UNSPEC,
	};

	if (have_rtnl_newlink < 0) {
		if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
			perror("request send failed");
			exit(1);
		}
		rtnl_listen(&rth, accept_msg, NULL);
	}
	return have_rtnl_newlink;
}
#else /* IPLINK_IOCTL_COMPAT */
static int iplink_have_newlink(void)
{
	return 1;
}
#endif /* ! IPLINK_IOCTL_COMPAT */

static int nl_get_ll_addr_len(unsigned int dev_index)
{
	int len;
	struct iplink_req req = {
		.n = {
			.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
			.nlmsg_type = RTM_GETLINK,
			.nlmsg_flags = NLM_F_REQUEST
		},
		.i = {
			.ifi_family = preferred_family,
			.ifi_index = dev_index,
		}
	};
Пример #12
0
static int iplink_have_newlink(void)
{
	struct {
		struct nlmsghdr		n;
		struct ifinfomsg	i;
		char			buf[1024];
	} req;

	if (have_rtnl_newlink < 0) {
		memset(&req, 0, sizeof(req));

		req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
		req.n.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK;
		req.n.nlmsg_type = RTM_NEWLINK;
		req.i.ifi_family = AF_UNSPEC;

		rtnl_send(&rth, &req.n, req.n.nlmsg_len);
		rtnl_listen(&rth, accept_msg, NULL);
	}
	return have_rtnl_newlink;
}
Пример #13
0
int do_xfrm_monitor(int argc, char **argv)
{
	char *file = NULL;
	unsigned int groups = ~((unsigned)0); /* XXX */
	int lacquire = 0;
	int lexpire = 0;
	int laevent = 0;
	int lpolicy = 0;
	int lsa = 0;
	int lreport = 0;

	rtnl_close(&rth);

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (matches(*argv, "all-nsid") == 0) {
			listen_all_nsid = 1;
		} else if (matches(*argv, "acquire") == 0) {
			lacquire = 1;
			groups = 0;
		} else if (matches(*argv, "expire") == 0) {
			lexpire = 1;
			groups = 0;
		} else if (matches(*argv, "SA") == 0) {
			lsa = 1;
			groups = 0;
		} else if (matches(*argv, "aevent") == 0) {
			laevent = 1;
			groups = 0;
		} else if (matches(*argv, "policy") == 0) {
			lpolicy = 1;
			groups = 0;
		} else if (matches(*argv, "report") == 0) {
			lreport = 1;
			groups = 0;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else if (strcmp(*argv, "all")) {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	if (lacquire)
		groups |= nl_mgrp(XFRMNLGRP_ACQUIRE);
	if (lexpire)
		groups |= nl_mgrp(XFRMNLGRP_EXPIRE);
	if (lsa)
		groups |= nl_mgrp(XFRMNLGRP_SA);
	if (lpolicy)
		groups |= nl_mgrp(XFRMNLGRP_POLICY);
	if (laevent)
		groups |= nl_mgrp(XFRMNLGRP_AEVENTS);
	if (lreport)
		groups |= nl_mgrp(XFRMNLGRP_REPORT);

	if (file) {
		FILE *fp;
		int err;

		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		err = rtnl_from_file(fp, xfrm_accept_msg, stdout);
		fclose(fp);
		return err;
	}

	if (rtnl_open_byproto(&rth, groups, NETLINK_XFRM) < 0)
		exit(1);
	if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
		exit(1);

	if (rtnl_listen(&rth, xfrm_accept_msg, (void *)stdout) < 0)
		exit(2);

	return 0;
}
Пример #14
0
int
main(int argc, char **argv)
{
	FILE *fp;
	struct rtnl_handle rth;
	int family = AF_UNSPEC;
	unsigned groups = ~0U;
	int llink = 0;
	int laddr = 0;
	int lroute = 0;
	char *file = NULL;

	while (argc > 1) {
		if (matches(argv[1], "-family") == 0) {
			argc--;
			argv++;
			if (argc <= 1)
				usage();
			if (strcmp(argv[1], "inet") == 0)
				family = AF_INET;
			else if (strcmp(argv[1], "inet6") == 0)
				family = AF_INET6;
			else if (strcmp(argv[1], "link") == 0)
				family = AF_INET6;
			else if (strcmp(argv[1], "help") == 0)
				usage();
			else {
				fprintf(stderr, "Protocol ID \"%s\" is unknown, try \"rtmon help\".\n", argv[1]);
				exit(-1);
			}
		} else if (strcmp(argv[1], "-4") == 0) {
			family = AF_INET;
		} else if (strcmp(argv[1], "-6") == 0) {
			family = AF_INET6;
		} else if (strcmp(argv[1], "-0") == 0) {
			family = AF_PACKET;
		} else if (matches(argv[1], "-Version") == 0) {
			printf("rtmon utility, iproute2-ss%s\n", SNAPSHOT);
			exit(0);
		} else if (matches(argv[1], "file") == 0) {
			argc--;
			argv++;
			if (argc <= 1)
				usage();
			file = argv[1];
		} else if (matches(argv[1], "link") == 0) {
			llink=1;
			groups = 0;
		} else if (matches(argv[1], "address") == 0) {
			laddr=1;
			groups = 0;
		} else if (matches(argv[1], "route") == 0) {
			lroute=1;
			groups = 0;
		} else if (strcmp(argv[1], "all") == 0) {
			groups = ~0U;
		} else if (matches(argv[1], "help") == 0) {
			usage();
		} else {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"rtmon help\".\n", argv[1]);
			exit(-1);
		}
		argc--;	argv++;
	}

	if (file == NULL) {
		fprintf(stderr, "Not enough information: argument \"file\" is required\n");
		exit(-1);
	}
	if (llink)
		groups |= nl_mgrp(RTNLGRP_LINK);
	if (laddr) {
		if (!family || family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
		if (!family || family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
	}
	if (lroute) {
		if (!family || family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
		if (!family || family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
	}

	fp = fopen(file, "w");
	if (fp == NULL) {
		perror("Cannot fopen");
		exit(-1);
	}

	if (rtnl_open(&rth, groups) < 0)
		exit(1);

	if (rtnl_wilddump_request(&rth, AF_UNSPEC, RTM_GETLINK) < 0) {
		perror("Cannot send dump request");
		exit(1);
	}

	write_stamp(fp);

	if (rtnl_dump_filter(&rth, dump_msg, fp, NULL, NULL) < 0) {
		fprintf(stderr, "Dump terminated\n");
		return 1;
	}

	init_phase = 0;

	if (rtnl_listen(&rth, dump_msg, (void*)fp) < 0)
		exit(2);

	exit(0);
}
Пример #15
0
static int do_show(int argc, char **argv)
{
	struct {
		struct nlmsghdr		n;
		struct netconfmsg	ncm;
		char			buf[1024];
	} req = {
		.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct netconfmsg)),
		.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,
		.n.nlmsg_type = RTM_GETNETCONF,
	};

	ipnetconf_reset_filter(0);
	filter.family = preferred_family;

	while (argc > 0) {
		if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			filter.ifindex = ll_name_to_index(*argv);
			if (filter.ifindex <= 0) {
				fprintf(stderr, "Device \"%s\" does not exist.\n",
					*argv);
				return -1;
			}
		}
		argv++; argc--;
	}

	ll_init_map(&rth);

	if (filter.ifindex && filter.family != AF_UNSPEC) {
		req.ncm.ncm_family = filter.family;
		addattr_l(&req.n, sizeof(req), NETCONFA_IFINDEX,
			  &filter.ifindex, sizeof(filter.ifindex));

		if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
			perror("Can not send request");
			exit(1);
		}
		rtnl_listen(&rth, print_netconf, stdout);
	} else {
		rth.flags = RTNL_HANDLE_F_SUPPRESS_NLERR;
dump:
		if (rtnl_wilddump_request(&rth, filter.family, RTM_GETNETCONF) < 0) {
			perror("Cannot send dump request");
			exit(1);
		}
		if (rtnl_dump_filter(&rth, print_netconf2, stdout) < 0) {
			/* kernel does not support netconf dump on AF_UNSPEC;
			 * fall back to requesting by family
			 */
			if (errno == EOPNOTSUPP &&
			    filter.family == AF_UNSPEC) {
				filter.family = AF_INET;
				goto dump;
			}
			perror("RTNETLINK answers");
			fprintf(stderr, "Dump terminated\n");
			exit(1);
		}
		if (preferred_family == AF_UNSPEC && filter.family == AF_INET) {
			preferred_family = AF_INET6;
			filter.family = AF_INET6;
			goto dump;
		}
	}
	return 0;
}

int do_ipnetconf(int argc, char **argv)
{
	if (argc > 0) {
		if (matches(*argv, "show") == 0 ||
		    matches(*argv, "lst") == 0 ||
		    matches(*argv, "list") == 0)
			return do_show(argc-1, argv+1);
		if (matches(*argv, "help") == 0)
			usage();
	} else
		return do_show(0, NULL);

	fprintf(stderr, "Command \"%s\" is unknown, try \"ip netconf help\".\n", *argv);
	exit(-1);
}
int do_ipmonitor(int argc, char **argv)
{
	struct rtnl_handle rth;
	char *file = NULL;
	unsigned groups = ~RTMGRP_TC;
	int llink=0;
	int laddr=0;
	int lroute=0;

	ipaddr_reset_filter(1);
	iproute_reset_filter();
	ipneigh_reset_filter();

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (matches(*argv, "link") == 0) {
			llink=1;
			groups = 0;
		} else if (matches(*argv, "address") == 0) {
			laddr=1;
			groups = 0;
		} else if (matches(*argv, "route") == 0) {
			lroute=1;
			groups = 0;
		} else if (strcmp(*argv, "all") == 0) {
			groups = ~RTMGRP_TC;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	if (llink)
		groups |= RTMGRP_LINK;
	if (laddr) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= RTMGRP_IPV4_IFADDR;
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= RTMGRP_IPV6_IFADDR;
	}
	if (lroute) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= RTMGRP_IPV4_ROUTE;
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= RTMGRP_IPV6_ROUTE;
	}

	if (file) {
		FILE *fp;
		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		return rtnl_from_file(fp, accept_msg, (void*)stdout);
	}

	if (rtnl_open(&rth, groups) < 0)
		exit(1);

	ll_init_map(&rth);

	if (rtnl_listen(&rth, accept_msg, (void*)stdout) < 0)
		exit(2);

	exit(0);
}
Пример #17
0
static int ctrl_list(int cmd, int argc, char **argv)
{
	struct rtnl_handle rth;
	int ret = -1;
	char d[GENL_NAMSIZ];
	struct {
		struct nlmsghdr         n;
		struct genlmsghdr	g;
		char                    buf[4096];
	} req = {
		.n.nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN),
		.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,
		.n.nlmsg_type = GENL_ID_CTRL,
		.g.cmd = CTRL_CMD_GETFAMILY,
	};
	struct nlmsghdr *nlh = &req.n;

	if (rtnl_open_byproto(&rth, 0, NETLINK_GENERIC) < 0) {
		fprintf(stderr, "Cannot open generic netlink socket\n");
		exit(1);
	}

	if (cmd == CTRL_CMD_GETFAMILY) {
		if (argc != 2) {
			fprintf(stderr, "Wrong number of params\n");
			return -1;
		}

		if (matches(*argv, "name") == 0) {
			NEXT_ARG();
			strncpy(d, *argv, sizeof (d) - 1);
			addattr_l(nlh, 128, CTRL_ATTR_FAMILY_NAME,
				  d, strlen(d) + 1);
		} else if (matches(*argv, "id") == 0) {
			__u16 id;
			NEXT_ARG();
			if (get_u16(&id, *argv, 0)) {
				fprintf(stderr, "Illegal \"id\"\n");
				goto ctrl_done;
			}

			addattr_l(nlh, 128, CTRL_ATTR_FAMILY_ID, &id, 2);

		} else {
			fprintf(stderr, "Wrong params\n");
			goto ctrl_done;
		}

		if (rtnl_talk(&rth, nlh, nlh, sizeof(req)) < 0) {
			fprintf(stderr, "Error talking to the kernel\n");
			goto ctrl_done;
		}

		if (print_ctrl2(NULL, nlh, (void *) stdout) < 0) {
			fprintf(stderr, "Dump terminated\n");
			goto ctrl_done;
		}

	}

	if (cmd == CTRL_CMD_UNSPEC) {
		nlh->nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST;
		nlh->nlmsg_seq = rth.dump = ++rth.seq;

		if (rtnl_send(&rth, nlh, nlh->nlmsg_len) < 0) {
			perror("Failed to send dump request\n");
			goto ctrl_done;
		}

		rtnl_dump_filter(&rth, print_ctrl2, stdout);

        }

	ret = 0;
ctrl_done:
	rtnl_close(&rth);
	return ret;
}

static int ctrl_listen(int argc, char **argv)
{
	struct rtnl_handle rth;

	if (rtnl_open_byproto(&rth, nl_mgrp(GENL_ID_CTRL), NETLINK_GENERIC) < 0) {
		fprintf(stderr, "Canot open generic netlink socket\n");
		return -1;
	}

	if (rtnl_listen(&rth, print_ctrl, (void *) stdout) < 0)
		return -1;

	return 0;
}

static int parse_ctrl(struct genl_util *a, int argc, char **argv)
{
	argv++;
	if (--argc <= 0) {
		fprintf(stderr, "wrong controller params\n");
		return -1;
	}

	if (matches(*argv, "monitor") == 0)
		return ctrl_listen(argc-1, argv+1);
	if (matches(*argv, "get") == 0)
		return ctrl_list(CTRL_CMD_GETFAMILY, argc-1, argv+1);
	if (matches(*argv, "list") == 0 ||
	    matches(*argv, "show") == 0 ||
	    matches(*argv, "lst") == 0)
		return ctrl_list(CTRL_CMD_UNSPEC, argc-1, argv+1);
	if (matches(*argv, "help") == 0)
		return usage();

	fprintf(stderr, "ctrl command \"%s\" is unknown, try \"ctrl help\".\n",
		*argv);

	return -1;
}
Пример #18
0
int do_ipmonitor(int argc, char **argv)
{
	char *file = NULL;
	unsigned groups = ~RTMGRP_TC;
	int llink=0;
	int laddr=0;
	int lroute=0;
	int lprefix=0;
	int lneigh=0;

	rtnl_close(&rth);
	ipaddr_reset_filter(1);
	iproute_reset_filter();
	ipneigh_reset_filter();

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (matches(*argv, "link") == 0) {
			llink=1;
			groups = 0;
		} else if (matches(*argv, "address") == 0) {
			laddr=1;
			groups = 0;
		} else if (matches(*argv, "route") == 0) {
			lroute=1;
			groups = 0;
		} else if (matches(*argv, "prefix") == 0) {
			lprefix=1;
			groups = 0;
		} else if (matches(*argv, "neigh") == 0) {
			lneigh = 1;
			groups = 0;
		} else if (strcmp(*argv, "all") == 0) {
			groups = ~RTMGRP_TC;
			prefix_banner=1;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	if (llink)
		groups |= nl_mgrp(RTNLGRP_LINK);
	if (laddr) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
	}
	if (lroute) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
	}
	if (lprefix) {
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
	}
	if (lneigh) {
		groups |= nl_mgrp(RTNLGRP_NEIGH);
	}
	if (file) {
		FILE *fp;
		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		return rtnl_from_file(fp, accept_msg, stdout);
	}

	if (rtnl_open(&rth, groups) < 0)
		exit(1);
	ll_init_map(&rth);

	if (rtnl_listen(&rth, accept_msg, stdout) < 0)
		exit(2);

	return 0;
}
Пример #19
0
int do_ipmonitor(int argc, char **argv)
{
	char *file = NULL;
	unsigned int groups = 0;
	int llink = 0;
	int laddr = 0;
	int lroute = 0;
	int lmroute = 0;
	int lprefix = 0;
	int lneigh = 0;
	int lnetconf = 0;
	int lrule = 0;
	int lnsid = 0;
	int ifindex = 0;

	groups |= nl_mgrp(RTNLGRP_LINK);
	groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
	groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
	groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
	groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
	groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE);
	groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE);
	groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE);
	groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
	groups |= nl_mgrp(RTNLGRP_NEIGH);
	groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF);
	groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF);
	groups |= nl_mgrp(RTNLGRP_IPV4_RULE);
	groups |= nl_mgrp(RTNLGRP_IPV6_RULE);
	groups |= nl_mgrp(RTNLGRP_NSID);
	groups |= nl_mgrp(RTNLGRP_MPLS_NETCONF);

	rtnl_close(&rth);

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (matches(*argv, "label") == 0) {
			prefix_banner = 1;
		} else if (matches(*argv, "link") == 0) {
			llink = 1;
			groups = 0;
		} else if (matches(*argv, "address") == 0) {
			laddr = 1;
			groups = 0;
		} else if (matches(*argv, "route") == 0) {
			lroute = 1;
			groups = 0;
		} else if (matches(*argv, "mroute") == 0) {
			lmroute = 1;
			groups = 0;
		} else if (matches(*argv, "prefix") == 0) {
			lprefix = 1;
			groups = 0;
		} else if (matches(*argv, "neigh") == 0) {
			lneigh = 1;
			groups = 0;
		} else if (matches(*argv, "netconf") == 0) {
			lnetconf = 1;
			groups = 0;
		} else if (matches(*argv, "rule") == 0) {
			lrule = 1;
			groups = 0;
		} else if (matches(*argv, "nsid") == 0) {
			lnsid = 1;
			groups = 0;
		} else if (strcmp(*argv, "all") == 0) {
			prefix_banner = 1;
		} else if (matches(*argv, "all-nsid") == 0) {
			listen_all_nsid = 1;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();

			ifindex = ll_name_to_index(*argv);
			if (!ifindex)
				invarg("Device does not exist\n", *argv);
		} else {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	ipaddr_reset_filter(1, ifindex);
	iproute_reset_filter(ifindex);
	ipmroute_reset_filter(ifindex);
	ipneigh_reset_filter(ifindex);
	ipnetconf_reset_filter(ifindex);

	if (llink)
		groups |= nl_mgrp(RTNLGRP_LINK);
	if (laddr) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
	}
	if (lroute) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
		if (!preferred_family || preferred_family == AF_MPLS)
			groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE);
	}
	if (lmroute) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE);
	}
	if (lprefix) {
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
	}
	if (lneigh) {
		groups |= nl_mgrp(RTNLGRP_NEIGH);
	}
	if (lnetconf) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF);
		if (!preferred_family || preferred_family == AF_MPLS)
			groups |= nl_mgrp(RTNLGRP_MPLS_NETCONF);
	}
	if (lrule) {
		if (!preferred_family || preferred_family == AF_INET)
			groups |= nl_mgrp(RTNLGRP_IPV4_RULE);
		if (!preferred_family || preferred_family == AF_INET6)
			groups |= nl_mgrp(RTNLGRP_IPV6_RULE);
	}
	if (lnsid) {
		groups |= nl_mgrp(RTNLGRP_NSID);
	}
	if (file) {
		FILE *fp;
		int err;

		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		err = rtnl_from_file(fp, accept_msg, stdout);
		fclose(fp);
		return err;
	}

	if (rtnl_open(&rth, groups) < 0)
		exit(1);
	if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
		exit(1);

	ll_init_map(&rth);
	netns_nsid_socket_init();
	netns_map_init();

	if (rtnl_listen(&rth, accept_msg, stdout) < 0)
		exit(2);

	return 0;
}