C++ duparg2函数代码示例

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本文整理汇总了C++中duparg2函数的典型用法代码示例。如果您正苦于以下问题：C++ duparg2函数的具体用法？C++ duparg2怎么用？C++ duparg2使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了duparg2函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: parse_rxsci_args

static int parse_rxsci_args(int *argcp, char ***argvp, struct rxsc_desc *rxsc)
{
	int argc = *argcp;
	char **argv = *argvp;
	bool active_set = false;

	while (argc > 0) {
		if (strcmp(*argv, "on") == 0) {
			if (active_set)
				duparg2("on/off", "on");
			rxsc->active = true;
			active_set = true;
		} else if (strcmp(*argv, "off") == 0) {
			if (active_set)
				duparg2("on/off", "off");
			rxsc->active = false;
			active_set = true;
		} else {
			fprintf(stderr, "macsec: unknown command \"%s\"?\n",
				*argv);
			ipmacsec_usage();
		}

		argv++; argc--;
	}

	*argvp = argv;
	*argcp = argc;
	return 0;
}

开发者ID:dtaht，项目名称:tc-adv，代码行数:30，代码来源:ipmacsec.c

示例2: parse_encap_ip6

static int parse_encap_ip6(struct rtattr *rta, size_t len, int *argcp, char ***argvp)
{
	int id_ok = 0, dst_ok = 0, tos_ok = 0, ttl_ok = 0;
	char **argv = *argvp;
	int argc = *argcp;

	while (argc > 0) {
		if (strcmp(*argv, "id") == 0) {
			__u64 id;

			NEXT_ARG();
			if (id_ok++)
				duparg2("id", *argv);
			if (get_be64(&id, *argv, 0))
				invarg("\"id\" value is invalid\n", *argv);
			rta_addattr64(rta, len, LWTUNNEL_IP6_ID, id);
		} else if (strcmp(*argv, "dst") == 0) {
			inet_prefix addr;

			NEXT_ARG();
			if (dst_ok++)
				duparg2("dst", *argv);
			get_addr(&addr, *argv, AF_INET6);
			rta_addattr_l(rta, len, LWTUNNEL_IP6_DST, &addr.data, addr.bytelen);
		} else if (strcmp(*argv, "tc") == 0) {
			__u32 tc;

			NEXT_ARG();
			if (tos_ok++)
				duparg2("tc", *argv);
			if (rtnl_dsfield_a2n(&tc, *argv))
				invarg("\"tc\" value is invalid\n", *argv);
			rta_addattr8(rta, len, LWTUNNEL_IP6_TC, tc);
		} else if (strcmp(*argv, "hoplimit") == 0) {
			__u8 hoplimit;

			NEXT_ARG();
			if (ttl_ok++)
				duparg2("hoplimit", *argv);
			if (get_u8(&hoplimit, *argv, 0))
				invarg("\"hoplimit\" value is invalid\n", *argv);
			rta_addattr8(rta, len, LWTUNNEL_IP6_HOPLIMIT, hoplimit);
		} else {
			break;
		}
		argc--; argv++;
	}

	/* argv is currently the first unparsed argument,
	 * but the lwt_parse_encap() caller will move to the next,
	 * so step back */
	*argcp = argc + 1;
	*argvp = argv - 1;

	return 0;
}

开发者ID:multipath-tcp，项目名称:iproute-mptcp，代码行数:56，代码来源:iproute_lwtunnel.c

示例3: parse_sa_args

static int parse_sa_args(int *argcp, char ***argvp, struct sa_desc *sa)
{
	int argc = *argcp;
	char **argv = *argvp;
	int ret;
	bool active_set = false;

	while (argc > 0) {
		if (strcmp(*argv, "pn") == 0) {
			if (sa->pn != 0)
				duparg2("pn", "pn");
			NEXT_ARG();
			ret = get_u32(&sa->pn, *argv, 0);
			if (ret)
				invarg("expected pn", *argv);
			if (sa->pn == 0)
				invarg("expected pn != 0", *argv);
		} else if (strcmp(*argv, "key") == 0) {
			unsigned int len;

			NEXT_ARG();
			if (!hexstring_a2n(*argv, sa->key_id, MACSEC_KEYID_LEN,
					   &len))
				invarg("expected key id", *argv);
			NEXT_ARG();
			if (!hexstring_a2n(*argv, sa->key, MACSEC_MAX_KEY_LEN,
					   &sa->key_len))
				invarg("expected key", *argv);
		} else if (strcmp(*argv, "on") == 0) {
			if (active_set)
				duparg2("on/off", "on");
			sa->active = true;
			active_set = true;
		} else if (strcmp(*argv, "off") == 0) {
			if (active_set)
				duparg2("on/off", "off");
			sa->active = false;
			active_set = true;
		} else {
			fprintf(stderr, "macsec: unknown command \"%s\"?\n",
				*argv);
			ipmacsec_usage();
		}

		argv++; argc--;
	}

	*argvp = argv;
	*argcp = argc;
	return 0;
}

开发者ID:dtaht，项目名称:tc-adv，代码行数:51，代码来源:ipmacsec.c

示例4: multiaddr_list

static int multiaddr_list(int argc, char **argv)
{
	struct ma_info *list = NULL;

	if (!filter.family)
		filter.family = preferred_family;

	while (argc > 0) {
		if (1) {
			if (strcmp(*argv, "dev") == 0) {
				NEXT_ARG();
			} else if (matches(*argv, "help") == 0)
				usage();
			if (filter.dev)
				duparg2("dev", *argv);
			filter.dev = *argv;
		}
		argv++; argc--;
	}

	if (!filter.family || filter.family == AF_PACKET)
		read_dev_mcast(&list);
	if (!filter.family || filter.family == AF_INET)
		read_igmp(&list);
	if (!filter.family || filter.family == AF_INET6)
		read_igmp6(&list);
	print_mlist(stdout, list);
	return 0;
}

开发者ID:kinvolk，项目名称:iproute2，代码行数:29，代码来源:ipmaddr.c

示例5: check_duparg

static void check_duparg(__u64 *attrs, int type, const char *key,
			 const char *argv)
{
	if (!VXLAN_ATTRSET(*attrs, type)) {
		*attrs |= (1L << type);
		return;
	}
	duparg2(key, argv);
}

开发者ID:greearb，项目名称:iproute2-ct，代码行数:9，代码来源:iplink_vxlan.c

示例6: ipneigh_modify

static int ipneigh_modify(int cmd, int flags, int argc, char **argv)
{
	struct {
		struct nlmsghdr 	n;
		struct ndmsg 		ndm;
		char   			buf[256];
	} req;
	char  *d = NULL;
	int dst_ok = 0;
	int lladdr_ok = 0;
	char * lla = NULL;
	inet_prefix dst;

	memset(&req, 0, sizeof(req));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg));
	req.n.nlmsg_flags = NLM_F_REQUEST|flags;
	req.n.nlmsg_type = cmd;
	req.ndm.ndm_family = preferred_family;
	req.ndm.ndm_state = NUD_PERMANENT;

	while (argc > 0) {
		if (matches(*argv, "lladdr") == 0) {
			NEXT_ARG();
			if (lladdr_ok)
				duparg("lladdr", *argv);
			lla = *argv;
			lladdr_ok = 1;
		} else if (strcmp(*argv, "nud") == 0) {
			unsigned state;
			NEXT_ARG();
			if (nud_state_a2n(&state, *argv))
				invarg("nud state is bad", *argv);
			req.ndm.ndm_state = state;
		} else if (matches(*argv, "proxy") == 0) {
			NEXT_ARG();
			if (matches(*argv, "help") == 0)
				usage();
			if (dst_ok)
				duparg("address", *argv);
			get_addr(&dst, *argv, preferred_family);
			dst_ok = 1;
			req.ndm.ndm_flags |= NTF_PROXY;
		} else if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			d = *argv;
		} else {
			if (strcmp(*argv, "to") == 0) {
				NEXT_ARG();
			}
			if (matches(*argv, "help") == 0) {
				NEXT_ARG();
			}
			if (dst_ok)
				duparg2("to", *argv);
			get_addr(&dst, *argv, preferred_family);
			dst_ok = 1;
		}
		argc--; argv++;
	}
	if (d == NULL || !dst_ok || dst.family == AF_UNSPEC) {
		fprintf(stderr, "Device and destination are required arguments.\n");
		exit(-1);
	}
	req.ndm.ndm_family = dst.family;
	addattr_l(&req.n, sizeof(req), NDA_DST, &dst.data, dst.bytelen);

	if (lla && strcmp(lla, "null")) {
		char llabuf[20];
		int l;

		l = ll_addr_a2n(llabuf, sizeof(llabuf), lla);
		addattr_l(&req.n, sizeof(req), NDA_LLADDR, llabuf, l);
	}

	ll_init_map(&rth);

	if ((req.ndm.ndm_ifindex = ll_name_to_index(d)) == 0) {
		fprintf(stderr, "Cannot find device \"%s\"\n", d);
		return -1;
	}

	if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
		exit(2);

	return 0;
}

开发者ID:AngelicFlower，项目名称:iproute-mptcp，代码行数:87，代码来源:ipneigh.c

示例7: do_set


//.........这里部分代码省略.........
				flags &= ~IFF_ALLMULTI;
			} else
				return on_off("allmulticast", *argv);
		} else if (strcmp(*argv, "promisc") == 0) {
			NEXT_ARG();
			mask |= IFF_PROMISC;
			if (strcmp(*argv, "on") == 0) {
				flags |= IFF_PROMISC;
			} else if (strcmp(*argv, "off") == 0) {
				flags &= ~IFF_PROMISC;
			} else
				return on_off("promisc", *argv);
		} else if (strcmp(*argv, "trailers") == 0) {
			NEXT_ARG();
			mask |= IFF_NOTRAILERS;
			if (strcmp(*argv, "off") == 0) {
				flags |= IFF_NOTRAILERS;
			} else if (strcmp(*argv, "on") == 0) {
				flags &= ~IFF_NOTRAILERS;
			} else
				return on_off("trailers", *argv);
		} else if (strcmp(*argv, "arp") == 0) {
			NEXT_ARG();
			mask |= IFF_NOARP;
			if (strcmp(*argv, "on") == 0) {
				flags &= ~IFF_NOARP;
			} else if (strcmp(*argv, "off") == 0) {
				flags |= IFF_NOARP;
			} else
				return on_off("noarp", *argv);
		} else if (matches(*argv, "dynamic") == 0) {
			NEXT_ARG();
			mask |= IFF_DYNAMIC;
			if (strcmp(*argv, "on") == 0) {
				flags |= IFF_DYNAMIC;
			} else if (strcmp(*argv, "off") == 0) {
				flags &= ~IFF_DYNAMIC;
			} else
				return on_off("dynamic", *argv);
		} else {
			if (strcmp(*argv, "dev") == 0) {
				NEXT_ARG();
			}
			if (matches(*argv, "help") == 0)
				usage();
			if (dev)
				duparg2("dev", *argv);
			dev = *argv;
		}
		argc--; argv++;
	}

	if (!dev) {
		fprintf(stderr, "Not enough of information: \"dev\" argument is required.\n");
		exit(-1);
	}

	if (newaddr || newbrd) {
		halen = get_address(dev, &htype);
		if (halen < 0)
			return -1;
		if (newaddr) {
			if (parse_address(dev, htype, halen, newaddr, &ifr0) < 0)
				return -1;
		}
		if (newbrd) {
			if (parse_address(dev, htype, halen, newbrd, &ifr1) < 0)
				return -1;
		}
	}

	if (newname && strcmp(dev, newname)) {
		if (strlen(newname) == 0)
			invarg("\"\" is not a valid device identifier\n", "name");
		if (do_changename(dev, newname) < 0)
			return -1;
		dev = newname;
	}
	if (qlen != -1) {
		if (set_qlen(dev, qlen) < 0)
			return -1;
	}
	if (mtu != -1) {
		if (set_mtu(dev, mtu) < 0)
			return -1;
	}
	if (newaddr || newbrd) {
		if (newbrd) {
			if (set_address(&ifr1, 1) < 0)
				return -1;
		}
		if (newaddr) {
			if (set_address(&ifr0, 0) < 0)
				return -1;
		}
	}
	if (mask)
		return do_chflags(dev, flags, mask);
	return 0;
}

开发者ID:gowthamramesh，项目名称:CSC573，代码行数:101，代码来源:iplink.c

示例8: parse_args

static int parse_args(int argc, char **argv, struct ifreq *ifr, uid_t *uid, gid_t *gid)
{
	int count = 0;

	memset(ifr, 0, sizeof(*ifr));

	ifr->ifr_flags |= IFF_NO_PI;

	while (argc > 0) {
		if (matches(*argv, "mode") == 0) {
			NEXT_ARG();
			if (matches(*argv, "tun") == 0) {
				if (ifr->ifr_flags & IFF_TAP) {
					fprintf(stderr,"You managed to ask for more than one tunnel mode.\n");
					exit(-1);
				}
				ifr->ifr_flags |= IFF_TUN;
			} else if (matches(*argv, "tap") == 0) {
				if (ifr->ifr_flags & IFF_TUN) {
					fprintf(stderr,"You managed to ask for more than one tunnel mode.\n");
					exit(-1);
				}
				ifr->ifr_flags |= IFF_TAP;
			} else {
				fprintf(stderr,"Unknown tunnel mode \"%s\"\n", *argv);
				exit(-1);
			}
		} else if (uid && matches(*argv, "user") == 0) {
			char *end;
			unsigned long user;

			NEXT_ARG();
			if (**argv && ((user = strtol(*argv, &end, 10)), !*end))
				*uid = user;
			else {
				struct passwd *pw = getpwnam(*argv);
				if (!pw) {
					fprintf(stderr, "invalid user \"%s\"\n", *argv);
					exit(-1);
				}
				*uid = pw->pw_uid;
			}
		} else if (gid && matches(*argv, "group") == 0) {
			char *end;
			unsigned long group;

			NEXT_ARG();

			if (**argv && ((group = strtol(*argv, &end, 10)), !*end))
				*gid = group;
			else {
				struct group *gr = getgrnam(*argv);
				if (!gr) {
					fprintf(stderr, "invalid group \"%s\"\n", *argv);
					exit(-1);
				}
				*gid = gr->gr_gid;
			}
		} else if (matches(*argv, "pi") == 0) {
			ifr->ifr_flags &= ~IFF_NO_PI;
		} else if (matches(*argv, "one_queue") == 0) {
			ifr->ifr_flags |= IFF_ONE_QUEUE;
		} else if (matches(*argv, "vnet_hdr") == 0) {
			ifr->ifr_flags |= IFF_VNET_HDR;
		} else if (matches(*argv, "multi_queue") == 0) {
			ifr->ifr_flags |= IFF_MULTI_QUEUE;
		} else if (matches(*argv, "dev") == 0) {
			NEXT_ARG();
			strncpy(ifr->ifr_name, *argv, IFNAMSIZ-1);
		} else {
			if (matches(*argv, "name") == 0) {
				NEXT_ARG();
			} else if (matches(*argv, "help") == 0)
				usage();
			if (ifr->ifr_name[0])
				duparg2("name", *argv);
			strncpy(ifr->ifr_name, *argv, IFNAMSIZ);
		}
		count++;
		argc--; argv++;
	}

	if (!(ifr->ifr_flags & TUN_TYPE_MASK)) {
		fprintf(stderr, "You failed to specify a tunnel mode\n");
		return -1;
	}

	return 0;
}

开发者ID:AllardJ，项目名称:Tomato，代码行数:89，代码来源:iptuntap.c

示例9: ipaddr_modify


//.........这里部分代码省略.........
			}
			case 4: /* anycast */
			{
				inet_prefix addr;
				NEXT_ARG();
				if (any_len) {
					duparg("anycast", *argv);
				}
				get_addr(&addr, *argv, req.ifa.ifa_family);
				if (req.ifa.ifa_family == AF_UNSPEC) {
					req.ifa.ifa_family = addr.family;
				}
				addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
				any_len = addr.bytelen;
				break;
			}
			case 5: /* scope */
			{
				uint32_t scope = 0;
				NEXT_ARG();
				if (rtnl_rtscope_a2n(&scope, *argv)) {
					invarg(*argv, "scope");
				}
				req.ifa.ifa_scope = scope;
				scoped = 1;
				break;
			}
			case 6: /* dev */
				NEXT_ARG();
				d = *argv;
				break;
			case 7: /* label */
				NEXT_ARG();
				l = *argv;
				addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
				break;
			case 8:	/* local */
				NEXT_ARG();
			default:
				if (local_len) {
					duparg2("local", *argv);
				}
				get_prefix(&lcl, *argv, req.ifa.ifa_family);
				if (req.ifa.ifa_family == AF_UNSPEC) {
					req.ifa.ifa_family = lcl.family;
				}
				addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
				local_len = lcl.bytelen;
		}
		argc--;
		argv++;
	}

	if (d == NULL) {
		bb_error_msg(bb_msg_requires_arg,"\"dev\"");
		return -1;
	}
	if (l && strncmp(d, l, strlen(d)) != 0) {
		bb_error_msg_and_die("\"dev\" (%s) must match \"label\" (%s)", d, l);
	}

	if (peer_len == 0 && local_len && cmd != RTM_DELADDR) {
		peer = lcl;
		addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
	}
	if (req.ifa.ifa_prefixlen == 0)
		req.ifa.ifa_prefixlen = lcl.bitlen;

	if (brd_len < 0 && cmd != RTM_DELADDR) {
		inet_prefix brd;
		int i;
		if (req.ifa.ifa_family != AF_INET) {
			bb_error_msg_and_die("broadcast can be set only for IPv4 addresses");
		}
		brd = peer;
		if (brd.bitlen <= 30) {
			for (i=31; i>=brd.bitlen; i--) {
				if (brd_len == -1)
					brd.data[0] |= htonl(1<<(31-i));
				else
					brd.data[0] &= ~htonl(1<<(31-i));
			}
			addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
			brd_len = brd.bytelen;
		}
	}
	if (!scoped && cmd != RTM_DELADDR)
		req.ifa.ifa_scope = default_scope(&lcl);

	xrtnl_open(&rth);

	ll_init_map(&rth);

	req.ifa.ifa_index = xll_name_to_index(d);

	if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
		return 2;

	return 0;
}

开发者ID:hajuuk，项目名称:R7000，代码行数:101，代码来源:ipaddress.c

示例10: parse_args


//.........这里部分代码省略.........
		} else if (strcmp(*argv, "oseq") == 0) {
			p->o_flags |= GRE_SEQ;
		} else if (strcmp(*argv, "csum") == 0) {
			p->i_flags |= GRE_CSUM;
			p->o_flags |= GRE_CSUM;
		} else if (strcmp(*argv, "icsum") == 0) {
			p->i_flags |= GRE_CSUM;
		} else if (strcmp(*argv, "ocsum") == 0) {
			p->o_flags |= GRE_CSUM;
		} else if (strcmp(*argv, "nopmtudisc") == 0) {
			p->iph.frag_off = 0;
		} else if (strcmp(*argv, "pmtudisc") == 0) {
			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);
		} else if (strcmp(*argv, "local") == 0) {
			NEXT_ARG();
			if (strcmp(*argv, "any"))
				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;
			NEXT_ARG();
			if (strcmp(*argv, "inherit") != 0) {
				if (get_unsigned(&uval, *argv, 0))
					invarg(*argv, "TTL");
				if (uval > 255)
					invarg(*argv, "TTL must be <=255");
				p->iph.ttl = uval;
			}
		} else if (strcmp(*argv, "tos") == 0 ||
			   matches(*argv, "dsfield") == 0) {
			__u32 uval;
			NEXT_ARG();
			if (strcmp(*argv, "inherit") != 0) {
				if (rtnl_dsfield_a2n(&uval, *argv))
					invarg(*argv, "TOS");
				p->iph.tos = uval;
			} else
				p->iph.tos = 1;
		} else {
			if (strcmp(*argv, "name") == 0) {
				NEXT_ARG();
			}
			if (p->name[0])
				duparg2("name", *argv);
			strncpy(p->name, *argv, IFNAMSIZ);
			if (cmd == SIOCCHGTUNNEL && count == 0) {
				struct ip_tunnel_parm old_p;
				memset(&old_p, 0, sizeof(old_p));
				if (do_get_ioctl(*argv, &old_p))
					return -1;
				*p = old_p;
			}
		}
		count++;
		argc--; argv++;
	}


	if (p->iph.protocol == 0) {
		if (memcmp(p->name, "gre", 3) == 0)
			p->iph.protocol = IPPROTO_GRE;
		else if (memcmp(p->name, "ipip", 4) == 0)
			p->iph.protocol = IPPROTO_IPIP;
		else if (memcmp(p->name, "sit", 3) == 0)
			p->iph.protocol = IPPROTO_IPV6;
	}

	if (p->iph.protocol == IPPROTO_IPIP || p->iph.protocol == IPPROTO_IPV6) {
		if ((p->i_flags & GRE_KEY) || (p->o_flags & GRE_KEY)) {
			bb_error_msg("Keys are not allowed with ipip and sit.");
			return -1;
		}
	}

	if (medium[0]) {
		p->link = do_ioctl_get_ifindex(medium);
		if (p->link == 0)
			return -1;
	}

	if (p->i_key == 0 && IN_MULTICAST(ntohl(p->iph.daddr))) {
		p->i_key = p->iph.daddr;
		p->i_flags |= GRE_KEY;
	}
	if (p->o_key == 0 && IN_MULTICAST(ntohl(p->iph.daddr))) {
		p->o_key = p->iph.daddr;
		p->o_flags |= GRE_KEY;
	}
	if (IN_MULTICAST(ntohl(p->iph.daddr)) && !p->iph.saddr) {
		bb_error_msg("Broadcast tunnel requires a source address.");
		return -1;
	}
	return 0;
}

开发者ID:alhazred，项目名称:busybox-solaris，代码行数:101，代码来源:iptunnel.c

示例11: ipaddr_modify


//.........这里部分代码省略.........
				if (any_len) {
					duparg("anycast", *argv);
				}
				get_addr(&addr, *argv, req.ifa.ifa_family);
				if (req.ifa.ifa_family == AF_UNSPEC) {
					req.ifa.ifa_family = addr.family;
				}
				addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
				any_len = addr.bytelen;
				break;
			}
			case 5: /* scope */
			{
				int scope = 0;
				NEXT_ARG();
				if (rtnl_rtscope_a2n(&scope, *argv)) {
					invarg(*argv, "invalid scope value.");
				}
				req.ifa.ifa_scope = scope;
				scoped = 1;
				break;
			}
			case 6: /* dev */
				NEXT_ARG();
				d = *argv;
				break;
			case 7: /* label */
				NEXT_ARG();
				l = *argv;
				addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
				break;
			case 8:	/* local */
				NEXT_ARG();
			default:
				if (local_len) {
					duparg2("local", *argv);
				}
				get_prefix(&lcl, *argv, req.ifa.ifa_family);
				if (req.ifa.ifa_family == AF_UNSPEC) {
					req.ifa.ifa_family = lcl.family;
				}
				addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
				local_len = lcl.bytelen;
		}
		argc--;
		argv++;
	}

	if (d == NULL) {
		bb_error_msg("Not enough information: \"dev\" argument is required.");
		return -1;
	}
	if (l && matches(d, l) != 0) {
		bb_error_msg_and_die("\"dev\" (%s) must match \"label\" (%s).", d, l);
	}

	if (peer_len == 0 && local_len && cmd != RTM_DELADDR) {
		peer = lcl;
		addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
	}
	if (req.ifa.ifa_prefixlen == 0)
		req.ifa.ifa_prefixlen = lcl.bitlen;

	if (brd_len < 0 && cmd != RTM_DELADDR) {
		inet_prefix brd;
		int i;
		if (req.ifa.ifa_family != AF_INET) {
			bb_error_msg("Broadcast can be set only for IPv4 addresses");
			return -1;
		}
		brd = peer;
		if (brd.bitlen <= 30) {
			for (i=31; i>=brd.bitlen; i--) {
				if (brd_len == -1)
					brd.data[0] |= htonl(1<<(31-i));
				else
					brd.data[0] &= ~htonl(1<<(31-i));
			}
			addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
			brd_len = brd.bytelen;
		}
	}
	if (!scoped && cmd != RTM_DELADDR)
		req.ifa.ifa_scope = default_scope(&lcl);

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

	ll_init_map(&rth);

	if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
		bb_error_msg("Cannot find device \"%s\"", d);
		return -1;
	}

	if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
		exit(2);

	exit(0);
}

开发者ID:FelipeFernandes1988，项目名称:Alice-1121-Modem，代码行数:101，代码来源:ipaddress.c

示例12: macsec_parse_opt


//.........这里部分代码省略.........
			if (ret != 0)
				return ret;
			es = i;
			addattr8(n, MACSEC_BUFLEN, IFLA_MACSEC_ES, es);
		} else if (strcmp(*argv, "scb") == 0) {
			NEXT_ARG();
			int i;

			ret = one_of("scb", *argv, values_on_off,
				     ARRAY_SIZE(values_on_off), &i);
			if (ret != 0)
				return ret;
			scb = i;
			addattr8(n, MACSEC_BUFLEN, IFLA_MACSEC_SCB, scb);
		} else if (strcmp(*argv, "protect") == 0) {
			NEXT_ARG();
			int i;

			ret = one_of("protect", *argv, values_on_off,
				     ARRAY_SIZE(values_on_off), &i);
			if (ret != 0)
				return ret;
			addattr8(n, MACSEC_BUFLEN, IFLA_MACSEC_PROTECT, i);
		} else if (strcmp(*argv, "replay") == 0) {
			NEXT_ARG();
			int i;

			ret = one_of("replay", *argv, values_on_off,
				     ARRAY_SIZE(values_on_off), &i);
			if (ret != 0)
				return ret;
			replay_protect = !!i;
		} else if (strcmp(*argv, "window") == 0) {
			NEXT_ARG();
			ret = get_u32(&window, *argv, 0);
			if (ret)
				invarg("expected replay window size", *argv);
		} else if (strcmp(*argv, "validate") == 0) {
			NEXT_ARG();
			ret = one_of("validate", *argv,
				     validate_str, ARRAY_SIZE(validate_str),
				     (int *)&validate);
			if (ret != 0)
				return ret;
			addattr8(n, MACSEC_BUFLEN,
				 IFLA_MACSEC_VALIDATION, validate);
		} else if (strcmp(*argv, "encodingsa") == 0) {
			if (encoding_sa != 0xff)
				duparg2("encodingsa", "encodingsa");
			NEXT_ARG();
			ret = get_an(&encoding_sa, *argv);
			if (ret)
				invarg("expected an { 0..3 }", *argv);
		} else {
			fprintf(stderr, "macsec: unknown command \"%s\"?\n",
				*argv);
			usage(stderr);
			return -1;
		}

		argv++; argc--;
	}

	if (!check_txsc_flags(es, scb, send_sci)) {
		fprintf(stderr,
			"invalid combination of send_sci/end_station/scb\n");
		return -1;
	}

	if (window != -1 && replay_protect == -1) {
		fprintf(stderr,
			"replay window set, but replay protection not enabled. did you mean 'replay on window %u'?\n",
			window);
		return -1;
	} else if (window == -1 && replay_protect == 1) {
		fprintf(stderr,
			"replay protection enabled, but no window set. did you mean 'replay on window VALUE'?\n");
		return -1;
	}

	if (cipher.id)
		addattr_l(n, MACSEC_BUFLEN, IFLA_MACSEC_CIPHER_SUITE,
			  &cipher.id, sizeof(cipher.id));
	if (cipher.icv_len)
		addattr_l(n, MACSEC_BUFLEN, IFLA_MACSEC_ICV_LEN,
			  &cipher.icv_len, sizeof(cipher.icv_len));

	if (replay_protect != -1) {
		addattr32(n, MACSEC_BUFLEN, IFLA_MACSEC_WINDOW, window);
		addattr8(n, MACSEC_BUFLEN, IFLA_MACSEC_REPLAY_PROTECT,
			 replay_protect);
	}

	if (encoding_sa != 0xff) {
		addattr_l(n, MACSEC_BUFLEN, IFLA_MACSEC_ENCODING_SA,
			  &encoding_sa, sizeof(encoding_sa));
	}

	return 0;
}

开发者ID:dtaht，项目名称:tc-adv，代码行数:101，代码来源:ipmacsec.c

示例13: ipaddr_list_or_flush

static int ipaddr_list_or_flush(int argc, char **argv, int flush)
{
	struct nlmsg_list *linfo = NULL;
	struct nlmsg_list *ainfo = NULL;
	struct nlmsg_list *l, *n;
	char *filter_dev = NULL;
	int no_link = 0;

	ipaddr_reset_filter(oneline);
	filter.showqueue = 1;

	if (filter.family == AF_UNSPEC)
		filter.family = preferred_family;

	if (flush) {
		if (argc <= 0) {
			fprintf(stderr, "Flush requires arguments.\n");
			return -1;
		}
		if (filter.family == AF_PACKET) {
			fprintf(stderr, "Cannot flush link addresses.\n");
			return -1;
		}
	}

	while (argc > 0) {
		if (strcmp(*argv, "to") == 0) {
			NEXT_ARG();
			get_prefix(&filter.pfx, *argv, filter.family);
			if (filter.family == AF_UNSPEC)
				filter.family = filter.pfx.family;
		} else if (strcmp(*argv, "scope") == 0) {
			unsigned scope = 0;
			NEXT_ARG();
			filter.scopemask = -1;
			if (rtnl_rtscope_a2n(&scope, *argv)) {
				if (strcmp(*argv, "all") != 0)
					invarg("invalid \"scope\"\n", *argv);
				scope = RT_SCOPE_NOWHERE;
				filter.scopemask = 0;
			}
			filter.scope = scope;
		} else if (strcmp(*argv, "up") == 0) {
			filter.up = 1;
		} else if (strcmp(*argv, "dynamic") == 0) {
			filter.flags &= ~IFA_F_PERMANENT;
			filter.flagmask |= IFA_F_PERMANENT;
		} else if (strcmp(*argv, "permanent") == 0) {
			filter.flags |= IFA_F_PERMANENT;
			filter.flagmask |= IFA_F_PERMANENT;
		} else if (strcmp(*argv, "secondary") == 0 ||
			   strcmp(*argv, "temporary") == 0) {
			filter.flags |= IFA_F_SECONDARY;
			filter.flagmask |= IFA_F_SECONDARY;
		} else if (strcmp(*argv, "primary") == 0) {
			filter.flags &= ~IFA_F_SECONDARY;
			filter.flagmask |= IFA_F_SECONDARY;
		} else if (strcmp(*argv, "tentative") == 0) {
			filter.flags |= IFA_F_TENTATIVE;
			filter.flagmask |= IFA_F_TENTATIVE;
		} else if (strcmp(*argv, "deprecated") == 0) {
			filter.flags |= IFA_F_DEPRECATED;
			filter.flagmask |= IFA_F_DEPRECATED;
		} else if (strcmp(*argv, "home") == 0) {
			filter.flags |= IFA_F_HOMEADDRESS;
			filter.flagmask |= IFA_F_HOMEADDRESS;
		} else if (strcmp(*argv, "nodad") == 0) {
			filter.flags |= IFA_F_NODAD;
			filter.flagmask |= IFA_F_NODAD;
		} else if (strcmp(*argv, "dadfailed") == 0) {
			filter.flags |= IFA_F_DADFAILED;
			filter.flagmask |= IFA_F_DADFAILED;
		} else if (strcmp(*argv, "label") == 0) {
			NEXT_ARG();
			filter.label = *argv;
		} else {
			if (strcmp(*argv, "dev") == 0) {
				NEXT_ARG();
			}
			if (matches(*argv, "help") == 0)
				usage();
			if (filter_dev)
				duparg2("dev", *argv);
			filter_dev = *argv;
		}
		argv++; argc--;
	}

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

	if (rtnl_dump_filter(&rth, store_nlmsg, &linfo, NULL, NULL) < 0) {
		fprintf(stderr, "Dump terminated\n");
		exit(1);
	}

	if (filter_dev) {
		filter.ifindex = ll_name_to_index(filter_dev);
//.........这里部分代码省略.........

开发者ID:mptcp-arndale，项目名称:android_external_iproute2，代码行数:101，代码来源:ipaddress.c

示例14: parse_args


//.........这里部分代码省略.........
		} 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_u8(&uval, *argv, 0))
					invarg("invalid TTL\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) {
				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)
				NEXT_ARG();
			else if (matches(*argv, "help") == 0)
				usage();

			if (p->name[0])
				duparg2("name", *argv);
			if (get_ifname(p->name, *argv))
				invarg("\"name\" not a valid ifname", *argv);
			if (cmd == SIOCCHGTUNNEL && count == 0) {
				struct ip_tunnel_parm old_p = {};

				if (tnl_get_ioctl(*argv, &old_p))
					return -1;
				*p = old_p;
			}
		}
		count++;
		argc--; argv++;
	}


	if (p->iph.protocol == 0) {
		if (memcmp(p->name, "gre", 3) == 0)
			p->iph.protocol = IPPROTO_GRE;
		else if (memcmp(p->name, "ipip", 4) == 0)
			p->iph.protocol = IPPROTO_IPIP;
		else if (memcmp(p->name, "sit", 3) == 0)
			p->iph.protocol = IPPROTO_IPV6;
		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->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) {
		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->i_key = p->iph.daddr;
		p->i_flags |= GRE_KEY;
	}
	if (p->o_key == 0 && IN_MULTICAST(ntohl(p->iph.daddr))) {
		p->o_key = p->iph.daddr;
		p->o_flags |= GRE_KEY;
	}
	if (IN_MULTICAST(ntohl(p->iph.daddr)) && !p->iph.saddr) {
		fprintf(stderr, "A broadcast tunnel requires a source address\n");
		return -1;
	}
	if (isatap)
		p->i_flags |= SIT_ISATAP;

	return 0;
}

开发者ID:dtaht，项目名称:tc-adv，代码行数:101，代码来源:iptunnel.c

示例15: ipaddr_modify


//.........这里部分代码省略.........
			NEXT_ARG();
			if (rtnl_rtscope_a2n(&scope, *argv))
				invarg(*argv, "invalid scope value.");
			req.ifa.ifa_scope = scope;
			scoped = 1;
		} else if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			d = *argv;
		} else if (strcmp(*argv, "label") == 0) {
			NEXT_ARG();
			l = *argv;
			addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
		} else if (matches(*argv, "valid_lft") == 0) {
			if (valid_lftp)
				duparg("valid_lft", *argv);
			NEXT_ARG();
			valid_lftp = *argv;
			if (set_lifetime(&valid_lft, *argv))
				invarg("valid_lft value", *argv);
		} else if (matches(*argv, "preferred_lft") == 0) {
			if (preferred_lftp)
				duparg("preferred_lft", *argv);
			NEXT_ARG();
			preferred_lftp = *argv;
			if (set_lifetime(&preferred_lft, *argv))
				invarg("preferred_lft value", *argv);
		} else {
			if (strcmp(*argv, "local") == 0) {
				NEXT_ARG();
			}
			if (matches(*argv, "help") == 0)
				usage();
			if (local_len)
				duparg2("local", *argv);
			get_prefix(&lcl, *argv, req.ifa.ifa_family);
			if (req.ifa.ifa_family == AF_UNSPEC)
				req.ifa.ifa_family = lcl.family;
			addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
			local_len = lcl.bytelen;
		}
		argc--; argv++;
	}
	if (d == NULL) {
		fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
		return -1;
	}
	if (l && matches(d, l) != 0) {
		fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l);
		exit(1);
	}

	if (peer_len == 0 && local_len && cmd != RTM_DELADDR) {
		peer = lcl;
		addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
	}
	if (req.ifa.ifa_prefixlen == 0)
		req.ifa.ifa_prefixlen = lcl.bitlen;

	if (brd_len < 0 && cmd != RTM_DELADDR) {
		inet_prefix brd;
		int i;
		if (req.ifa.ifa_family != AF_INET) {
			fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
			return -1;
		}
		brd = peer;

开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-ef_fw-20-20-8，代码行数:67，代码来源:ipaddress.c

示例16: ipaddr_list_or_flush

int ipaddr_list_or_flush(int argc, char **argv, int flush)
{
	struct nlmsg_list *linfo = NULL;
	struct nlmsg_list *ainfo = NULL;
	struct nlmsg_list *l;
	struct rtnl_handle rth;
	char *filter_dev = NULL;
	int no_link = 0;

	ipaddr_reset_filter(oneline);
	filter.showqueue = 1;

	if (filter.family == AF_UNSPEC)
		filter.family = preferred_family;

	if (flush) {
		if (argc <= 0) {
			fprintf(stderr, "Flush requires arguments.\n");
			return -1;
		}
		if (filter.family == AF_PACKET) {
			fprintf(stderr, "Cannot flush link addresses.\n");
			return -1;
		}
	}

	while (argc > 0) {
		if (strcmp(*argv, "to") == 0) {
			NEXT_ARG();
			get_prefix(&filter.pfx, *argv, filter.family);
			if (filter.family == AF_UNSPEC)
				filter.family = filter.pfx.family;
		} else if (strcmp(*argv, "scope") == 0) {
			int scope = 0;
			NEXT_ARG();
			filter.scopemask = -1;
			if (rtnl_rtscope_a2n(&scope, *argv)) {
				if (strcmp(*argv, "all") != 0)
					invarg("invalid \"scope\"\n", *argv);
				scope = RT_SCOPE_NOWHERE;
				filter.scopemask = 0;
			}
			filter.scope = scope;
		} else if (strcmp(*argv, "up") == 0) {
			filter.up = 1;
		} else if (strcmp(*argv, "dynamic") == 0) {
			filter.flags &= ~IFA_F_PERMANENT;
			filter.flagmask |= IFA_F_PERMANENT;
		} else if (strcmp(*argv, "permanent") == 0) {
			filter.flags |= IFA_F_PERMANENT;
			filter.flagmask |= IFA_F_PERMANENT;
		} else if (strcmp(*argv, "secondary") == 0) {
			filter.flags |= IFA_F_SECONDARY;
			filter.flagmask |= IFA_F_SECONDARY;
		} else if (strcmp(*argv, "primary") == 0) {
			filter.flags &= ~IFA_F_SECONDARY;
			filter.flagmask |= IFA_F_SECONDARY;
		} else if (strcmp(*argv, "tentative") == 0) {
			filter.flags |= IFA_F_TENTATIVE;
			filter.flagmask |= IFA_F_TENTATIVE;
		} else if (strcmp(*argv, "deprecated") == 0) {
			filter.flags |= IFA_F_DEPRECATED;
			filter.flagmask |= IFA_F_DEPRECATED;
		} else if (strcmp(*argv, "label") == 0) {
			NEXT_ARG();
			filter.label = *argv;
		} else {
			if (strcmp(*argv, "dev") == 0) {
				NEXT_ARG();
			}
			if (matches(*argv, "help") == 0)
				usage();
			if (filter_dev)
				duparg2("dev", *argv);
			filter_dev = *argv;
		}
		argv++; argc--;
	}

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

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

	if (rtnl_dump_filter(&rth, store_nlmsg, &linfo, NULL, NULL) < 0) {
		fprintf(stderr, "Dump terminated\n");
		exit(1);
	}

	if (filter_dev) {
		filter.ifindex = ll_name_to_index(filter_dev);
		if (filter.ifindex <= 0) {
			fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
			return -1;
		}
	}

//.........这里部分代码省略.........

开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-ef_fw-20-20-8，代码行数:101，代码来源:ipaddress.c

示例17: iplink_parse


//.........这里部分代码省略.........
				duparg("txqueuelen", *argv);
			if (get_integer(&qlen,  *argv, 0))
				invarg("Invalid \"txqueuelen\" value\n", *argv);
			addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4);
		} else if (strcmp(*argv, "mtu") == 0) {
			NEXT_ARG();
			if (mtu != -1)
				duparg("mtu", *argv);
			if (get_integer(&mtu, *argv, 0))
				invarg("Invalid \"mtu\" value\n", *argv);
			addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4);
                } else if (strcmp(*argv, "netns") == 0) {
                        NEXT_ARG();
                        if (netns != -1)
                                duparg("netns", *argv);
                        if (get_integer(&netns, *argv, 0))
                                invarg("Invalid \"netns\" value\n", *argv);
                        addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4);
		} else if (strcmp(*argv, "multicast") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_MULTICAST;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_MULTICAST;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_MULTICAST;
			} else
				return on_off("multicast");
		} else if (strcmp(*argv, "allmulticast") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_ALLMULTI;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_ALLMULTI;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_ALLMULTI;
			} else
				return on_off("allmulticast");
		} else if (strcmp(*argv, "promisc") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_PROMISC;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_PROMISC;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_PROMISC;
			} else
				return on_off("promisc");
		} else if (strcmp(*argv, "trailers") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_NOTRAILERS;
			if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags |= IFF_NOTRAILERS;
			} else if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags &= ~IFF_NOTRAILERS;
			} else
				return on_off("trailers");
		} else if (strcmp(*argv, "arp") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_NOARP;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags &= ~IFF_NOARP;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags |= IFF_NOARP;
			} else
				return on_off("noarp");
#ifdef IFF_DYNAMIC
		} else if (matches(*argv, "dynamic") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_DYNAMIC;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_DYNAMIC;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_DYNAMIC;
			} else
				return on_off("dynamic");
#endif
		} else if (matches(*argv, "type") == 0) {
			NEXT_ARG();
			*type = *argv;
			argc--; argv++;
			break;
		} else if (matches(*argv, "alias") == 0) {
			NEXT_ARG();
			addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS,
				  *argv, strlen(*argv));
			argc--; argv++;
			break;
		} else {
			if (strcmp(*argv, "dev") == 0) {
				NEXT_ARG();
			}
			if (matches(*argv, "help") == 0)
				usage();
			if (*dev)
				duparg2("dev", *argv);
			*dev = *argv;
		}
		argc--; argv++;
	}

	return ret - argc;
}

开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:101，代码来源:iplink.c

示例18: ipneigh_modify

static int ipneigh_modify(int cmd, int flags, int argc, char **argv)
{
	struct {
		struct nlmsghdr	n;
		struct ndmsg		ndm;
		char			buf[256];
	} req = {
		.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg)),
		.n.nlmsg_flags = NLM_F_REQUEST | flags,
		.n.nlmsg_type = cmd,
		.ndm.ndm_family = preferred_family,
		.ndm.ndm_state = NUD_PERMANENT,
	};
	char  *dev = NULL;
	int dst_ok = 0;
	int dev_ok = 0;
	int lladdr_ok = 0;
	char *lla = NULL;
	inet_prefix dst;

	while (argc > 0) {
		if (matches(*argv, "lladdr") == 0) {
			NEXT_ARG();
			if (lladdr_ok)
				duparg("lladdr", *argv);
			lla = *argv;
			lladdr_ok = 1;
		} else if (strcmp(*argv, "nud") == 0) {
			unsigned int state;

			NEXT_ARG();
			if (nud_state_a2n(&state, *argv))
				invarg("nud state is bad", *argv);
			req.ndm.ndm_state = state;
		} else if (matches(*argv, "proxy") == 0) {
			NEXT_ARG();
			if (matches(*argv, "help") == 0)
				usage();
			if (dst_ok)
				duparg("address", *argv);
			get_addr(&dst, *argv, preferred_family);
			dst_ok = 1;
			dev_ok = 1;
			req.ndm.ndm_flags |= NTF_PROXY;
		} else if (strcmp(*argv, "router") == 0) {
			req.ndm.ndm_flags |= NTF_ROUTER;
		}

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