192 static void get_next_params(char **argv, struct rtentry *rt, char **netmask)  in get_next_params()  argument
195     if (!strcmp(*argv, "reject")) rt->rt_flags |= RTF_REJECT;  in get_next_params()
196     else if (!strcmp(*argv, "mod")) rt->rt_flags |= RTF_MODIFIED;  in get_next_params()
197     else if (!strcmp(*argv, "dyn")) rt->rt_flags |= RTF_DYNAMIC;  in get_next_params()
198     else if (!strcmp(*argv, "reinstate")) rt->rt_flags |= RTF_REINSTATE;  in get_next_params()
204         rt->rt_metric = atolx_range(argv[1], 0, ULONG_MAX) + 1;  in get_next_params()
208         unsigned int addr_mask = (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr);  in get_next_params()
213         rt->rt_genmask = sock;  in get_next_params()
216         if (!(rt->rt_flags & RTF_GATEWAY)) {  in get_next_params()
217           if (!get_hostname(argv[1], (struct sockaddr_in *) &rt->rt_gateway))  in get_next_params()
218             rt->rt_flags |= RTF_GATEWAY;  in get_next_params()
223         rt->rt_mtu = atolx_range(argv[1], 64, 65536);  in get_next_params()
224         rt->rt_flags |= RTF_MSS;  in get_next_params()
227         rt->rt_window = atolx_range(argv[1], 128, INT_MAX); //win low  in get_next_params()
228         rt->rt_flags |= RTF_WINDOW;  in get_next_params()
230         rt->rt_irtt = atolx_range(argv[1], 0, INT_MAX);  in get_next_params()
231         rt->rt_flags |= RTF_IRTT;  in get_next_params()
232       } else if (!strcmp(*argv, "dev") && !rt->rt_dev) rt->rt_dev = argv[1];  in get_next_params()
238   if (!rt->rt_dev && (rt->rt_flags & RTF_REJECT)) rt->rt_dev = (char *)"lo";  in get_next_params()
242 static void verify_netmask(struct rtentry *rt, char *netmask)  in verify_netmask()  argument
244   unsigned int addr_mask = (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr);  in verify_netmask()
245 …unsigned int router_addr = ~(unsigned int)(((struct sockaddr_in *)&((rt)->rt_dst))->sin_addr.s_add…  in verify_netmask()
249     if ((rt->rt_flags & RTF_HOST) && addr_mask != INVALID_ADDR)  in verify_netmask()
252     addr_mask = ((struct sockaddr_in *) &rt->rt_dst)->sin_addr.s_addr;  in verify_netmask()
260   struct rtentry rt;  in setroute()  local
270   memset(&rt, 0, sizeof(struct rtentry));  in setroute()
277     (((struct sockaddr_in *)&rt.rt_genmask)->sin_addr.s_addr)  in setroute()
279     rt.rt_genmask.sa_family = AF_INET;  in setroute()
283   is_net_or_host = get_hostname(targetip, (void *)&rt.rt_dst);  in setroute()
286   rt.rt_flags = ((is_net_or_host) ? RTF_UP : (RTF_UP | RTF_HOST));  in setroute()
288   get_next_params(argv, &rt, (char **)&netmask);  in setroute()
289   verify_netmask(&rt, (char *)netmask);  in setroute()
291   if ((action == 1) && (rt.rt_flags & RTF_HOST))  in setroute()
292     (((struct sockaddr_in *)&((rt).rt_genmask))->sin_addr.s_addr) = INVALID_ADDR;  in setroute()
295   if (action == 1) xioctl(sokfd, SIOCADDRT, &rt);  in setroute()
296   else xioctl(sokfd, SIOCDELRT, &rt);  in setroute()
304 static void is_prefix_inet6(char **tip, struct in6_rtmsg *rt)  in is_prefix_inet6()  argument
314   rt->rtmsg_flags = (plen == DEFAULT_PREFIXLEN) ? (RTF_UP | RTF_HOST) : RTF_UP;  in is_prefix_inet6()
315   rt->rtmsg_dst_len = plen;  in is_prefix_inet6()
322 static void get_next_params_inet6(char **argv, struct sockaddr_in6 *sock_in6, struct in6_rtmsg *rt,…  in get_next_params_inet6()  argument
325     if (!strcmp(*argv, "mod")) rt->rtmsg_flags |= RTF_MODIFIED;  in get_next_params_inet6()
326     else if (!strcmp(*argv, "dyn")) rt->rtmsg_flags |= RTF_DYNAMIC;  in get_next_params_inet6()
331         rt->rtmsg_metric = atolx_range(argv[1], 0, ULONG_MAX);  in get_next_params_inet6()
334         if (!(rt->rtmsg_flags & RTF_GATEWAY)) {  in get_next_params_inet6()
336             memcpy(&rt->rtmsg_gateway, sock_in6->sin6_addr.s6_addr, sizeof(struct in6_addr));  in get_next_params_inet6()
337             rt->rtmsg_flags |= RTF_GATEWAY;  in get_next_params_inet6()
352   struct in6_rtmsg rt;  in setroute_inet6()  local
358   memset(&rt, 0, sizeof(struct in6_rtmsg));  in setroute_inet6()
363     rt.rtmsg_flags = RTF_UP;  in setroute_inet6()
364     rt.rtmsg_dst_len = 0;  in setroute_inet6()
366     is_prefix_inet6((char **)&targetip, &rt);  in setroute_inet6()
370   rt.rtmsg_metric = 1; //default metric.  in setroute_inet6()
371   memcpy(&rt.rtmsg_dst, sock_in6.sin6_addr.s6_addr, sizeof(struct in6_addr));  in setroute_inet6()
372   get_next_params_inet6(argv, &sock_in6, &rt, (char **)&dev_name);  in setroute_inet6()
380     rt.rtmsg_ifindex = ifre->ifr_ifindex;  in setroute_inet6()
382   if (action == 1) xioctl(sockfd, SIOCADDRT, &rt);  in setroute_inet6()
383   else xioctl(sockfd, SIOCDELRT, &rt);  in setroute_inet6()