netinet/ipsockopt/ipsockopt.c

204  * This test checks the behavior of the IP_HDRINCL socket option, which
221 	 * Try to receive or set the IP_HDRINCL flag on a TCP socket.
229 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) == 0)
230 		err(-1, "test_ip_hdrincl(): initial getsockopt(IP_HDRINCL)");
238 	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, sizeof(flag[0]))
240 		err(-1,"test_ip_hdrincl(): setsockopt(IP_HDRINCL) on TCP "
244 		errx(-1, "test_ip_hdrincl(): setsockopt(IP_HDRINCL) on TCP "
251 	 * Try to receive or set the IP_HDRINCL flag on a UDP socket.
259 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) == 0)
260 		err(-1, "test_ip_hdrincl(): getsockopt(IP_HDRINCL) on UDP "
264 		errx(-1, "test_ip_hdrincl(): getsockopt(IP_HDRINCL) on UDP "
268 	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, sizeof(flag[0]))
270 		err(-1, "test_ip_hdrincl(): setsockopt(IP_HDRINCL) on UDP "
274 		errx(-1, "test_ip_hdrincl(): setsockopt(IP_HDRINCL) on UDP "
303 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) < 0)
304 		err(-1, "test_ip_hdrincl(): getsockopt(IP_HDRINCL) on raw "
316 	 * Enable the IP_HDRINCL flag.
319 	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, sizeof(flag[0]))
321 		err(-1, "test_ip_hdrincl(): setsockopt(IP_HDRINCL, 1)");
324 	 * Check that the IP_HDRINCL flag was set.
329 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) < 0)
330 		err(-1, "test_ip_hdrincl(): getsockopt(IP_HDRINCL) after "
334 		errx(-1, "test_ip_hdrincl(): getsockopt(IP_HDRINCL) "
344 	 * Reset the IP_HDRINCL flag to 0.
347 	if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, sizeof(flag[0]))
349 		err(-1, "test_ip_hdrincl(): setsockopt(IP_HDRINCL, 0)");
352 	 * Check that the IP_HDRINCL flag was reset to 0.
357 	if (getsockopt(sock, IPPROTO_IP, IP_HDRINCL, flag, &len) < 0)
358 		err(-1, "test_ip_hdrincl(): getsockopt(IP_HDRINCL) after "
362 		errx(-1, "test_ip_hdrincl(): getsockopt(IP_HDRINCL) "