177 static void is_prefix(char **tip, char **netmask, struct rtentry *rt)  in is_prefix()  argument
184     (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr)  in is_prefix()
187     rt->rt_genmask.sa_family = AF_INET;  in is_prefix()
195 static void get_next_params(char **argv, struct rtentry *rt, char **netmask)  in get_next_params()  argument
202       rt->rt_metric = atolx_range(*argv, 0, ULONG_MAX) + 1;  in get_next_params()
207       unsigned int addr_mask = (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr);  in get_next_params()
214       rt->rt_genmask = sock;  in get_next_params()
218       if (!(rt->rt_flags & RTF_GATEWAY)) {  in get_next_params()
222         if ((ishost = get_hostname(*argv, (struct sockaddr_in *) &rt->rt_gateway)) == 0) {  in get_next_params()
223           rt->rt_flags |= RTF_GATEWAY;  in get_next_params()
232       rt->rt_mss = atolx_range(*argv, 64, 32768); //MSS low and max  in get_next_params()
233       rt->rt_flags |= RTF_MSS;  in get_next_params()
239       rt->rt_window = atolx_range(*argv, 128, INT_MAX); //win low  in get_next_params()
240       rt->rt_flags |= RTF_WINDOW;  in get_next_params()
247       rt->rt_irtt = strtoul(*argv, NULL, 10);  in get_next_params()
248       if (nclock_ticks > 0) rt->rt_irtt *= nclock_ticks;  in get_next_params()
249       rt->rt_flags |= 0x0100; //RTF_IRTT  in get_next_params()
254       if ((!rt->rt_dev)) rt->rt_dev = *argv;  in get_next_params()
257       rt->rt_flags |= RTF_REJECT;  in get_next_params()
260       rt->rt_flags |= RTF_MODIFIED;  in get_next_params()
263       rt->rt_flags |= RTF_DYNAMIC;  in get_next_params()
266       rt->rt_flags |= RTF_REINSTATE;  in get_next_params()
271   if (!rt->rt_dev && (rt->rt_flags & RTF_REJECT)) rt->rt_dev = (char *)"lo";  in get_next_params()
275 static void verify_netmask(struct rtentry *rt, char *netmask)  in verify_netmask()  argument
277   unsigned int addr_mask = (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr);  in verify_netmask()
278 …unsigned int router_addr = ~(unsigned int)(((struct sockaddr_in *)&((rt)->rt_dst))->sin_addr.s_add…  in verify_netmask()
282     if ((rt->rt_flags & RTF_HOST) && addr_mask != INVALID_ADDR)  in verify_netmask()
285     addr_mask = ((struct sockaddr_in *) &rt->rt_dst)->sin_addr.s_addr;  in verify_netmask()
293   struct rtentry rt;  in setroute()  local
303   memset(&rt, 0, sizeof(struct rtentry));  in setroute()
306   is_prefix((char **)&targetip, (char **)&netmask, &rt);  in setroute()
308           (struct sockaddr_in *) &rt.rt_dst)) < 0)  in setroute()
312   rt.rt_flags = ((is_net_or_host) ? RTF_UP : (RTF_UP | RTF_HOST));  in setroute()
314   get_next_params(argv, &rt, (char **)&netmask);  in setroute()
315   verify_netmask(&rt, (char *)netmask);  in setroute()
317   if ((action == 1) && (rt.rt_flags & RTF_HOST))  in setroute()
318     (((struct sockaddr_in *)&((rt).rt_genmask))->sin_addr.s_addr) = INVALID_ADDR;  in setroute()
321   if (action == 1) xioctl(sokfd, SIOCADDRT, &rt);  in setroute()
322   else xioctl(sokfd, SIOCDELRT, &rt);  in setroute()
330 static void is_prefix_inet6(char **tip, struct in6_rtmsg *rt)  in is_prefix_inet6()  argument
340   rt->rtmsg_flags = (plen == DEFAULT_PREFIXLEN) ? (RTF_UP | RTF_HOST) : RTF_UP;  in is_prefix_inet6()
341   rt->rtmsg_dst_len = plen;  in is_prefix_inet6()
348 static void get_next_params_inet6(char **argv, struct sockaddr_in6 *sock_in6, struct in6_rtmsg *rt,…  in get_next_params_inet6()  argument
355       rt->rtmsg_metric = atolx_range(*argv, 0, ULONG_MAX);  in get_next_params_inet6()
359       if (!(rt->rtmsg_flags & RTF_GATEWAY)) {  in get_next_params_inet6()
363           memcpy(&rt->rtmsg_gateway, sock_in6->sin6_addr.s6_addr, sizeof(struct in6_addr));  in get_next_params_inet6()
364           rt->rtmsg_flags |= RTF_GATEWAY;  in get_next_params_inet6()
374       rt->rtmsg_flags |= RTF_MODIFIED;  in get_next_params_inet6()
377       rt->rtmsg_flags |= RTF_DYNAMIC;  in get_next_params_inet6()
387   struct in6_rtmsg rt;  in setroute_inet6()  local
393   memset(&rt, 0, sizeof(struct in6_rtmsg));  in setroute_inet6()
399       rt.rtmsg_flags = RTF_UP;  in setroute_inet6()
400       rt.rtmsg_dst_len = plen;  in setroute_inet6()
402       is_prefix_inet6((char **)&targetip, &rt);  in setroute_inet6()
406     rt.rtmsg_metric = 1; //default metric.  in setroute_inet6()
407     memcpy(&rt.rtmsg_dst, sock_in6.sin6_addr.s6_addr, sizeof(struct in6_addr));  in setroute_inet6()
408     get_next_params_inet6(argv, &sock_in6, &rt, (char **)&dev_name);  in setroute_inet6()
416       rt.rtmsg_ifindex = ifre->ifr_ifindex;  in setroute_inet6()
418     if (action == 1) xioctl(sockfd, SIOCADDRT, &rt);  in setroute_inet6()
419     else xioctl(sockfd, SIOCDELRT, &rt);  in setroute_inet6()