bsd/netinet/in_dhcp.c

63 #include <netinet/ip.h>
158 /* ip address formatting macros */
160 #define IP_CH(ip)	((const uint8_t *)ip)
161 #define IP_LIST(ip)	IP_CH(ip)[0],IP_CH(ip)[1],IP_CH(ip)[2],IP_CH(ip)[3]
183     bzero(&pkt->ip, sizeof(pkt->ip));
185     pkt->ip.ip_v = IPVERSION;
186     pkt->ip.ip_hl = sizeof(struct ip) >> 2;
187     pkt->ip.ip_ttl = MAXTTL;
188     pkt->ip.ip_p = IPPROTO_UDP;
189     pkt->ip.ip_src.s_addr = 0;
190     pkt->ip.ip_dst.s_addr = htonl(INADDR_BROADCAST);
191     pkt->ip.ip_len = htons(pkt_size);
192     pkt->ip.ip_sum = 0;
196     pkt->udp.uh_ulen = htons(pkt_size - sizeof(pkt->ip));
251     struct ip *		ip;
261     ip = mtod(m, struct ip *);
262     ip->ip_sum = 0;
263     ip->ip_sum = in_cksum(m, sizeof(struct ip));
399     const struct in_addr * 	ip;
430 	    ip = (const struct in_addr *)
433 	    if (ip != NULL && len >= (int)sizeof(*ip)) {
434 		server_id = *ip;
455 	    ip = (const struct in_addr *)
458 	    if (ip != NULL && len >= (int)sizeof(*ip)) {
459 		context->netmask = *ip;
461 	    ip = (const struct in_addr *)
463 	    if (ip != NULL && len >= (int)sizeof(*ip)) {
464 		context->router = *ip;
512     /* insert server identifier and requested ip address */
540 	request->ip.ip_id = ip_randomid();
542 	request->ip.ip_id = htons(ip_id++);
587     const struct in_addr * 	ip;
625 	    ip = (const struct in_addr *)
628 	    if (ip == NULL || len < (int)sizeof(*ip)) {
634 		   IP_LIST(ip), IP_LIST(&reply->dp_yiaddr));
635 	    server_id = *ip;
639 		ip = (const struct in_addr *)
642 		if (ip != NULL && len >= (int)sizeof(*ip)) {
643 		    context->netmask = *ip;
645 		ip = (const struct in_addr *)
647 		if (ip != NULL && len >= (int)sizeof(*ip)) {
648 		    context->router = *ip;
741 	request->ip.ip_id = ip_randomid();
743 	request->ip.ip_id = htons(ip_id++);