1 /* vi: set sw=4 ts=4: */
5 * create raw socket for icmp (IPv6 version) protocol test permision
6 * and drop root privilegies if running setuid
10 #include <sys/types.h>
12 #include <sys/socket.h>
17 #if CONFIG_FEATURE_IPV6
18 int create_icmp6_socket(void)
20 struct protoent *proto;
23 proto = getprotobyname("ipv6-icmp");
24 /* if getprotobyname failed, just silently force
25 * proto->p_proto to have the correct value for "ipv6-icmp" */
26 if ((sock = socket(AF_INET6, SOCK_RAW,
27 (proto ? proto->p_proto : IPPROTO_ICMPV6))) < 0) {
29 error_msg_and_die("permission denied. (are you root?)");
31 perror_msg_and_die(can_not_create_raw_socket);
34 /* drop root privs if running setuid */