1 /* vi: set sw=4 ts=4: */
5 * create raw socket for icmp (IPv6 version) protocol test permission
6 * and drop root privileges if running setuid
10 #include <sys/types.h>
12 #include <sys/socket.h>
17 #ifdef 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 bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
31 bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket);
34 /* drop root privs if running setuid */