1 /* vi: set sw=4 ts=4: */
5 * create raw socket for icmp protocol
6 * and drop root privileges if running setuid
11 int FAST_FUNC create_icmp_socket(void)
15 struct protoent *proto;
16 proto = getprotobyname("icmp");
17 /* if getprotobyname failed, just silently force
18 * proto->p_proto to have the correct value for "icmp" */
19 sock = socket(AF_INET, SOCK_RAW,
20 (proto ? proto->p_proto : 1)); /* 1 == ICMP */
22 sock = socket(AF_INET, SOCK_RAW, 1); /* 1 == ICMP */
26 bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
27 bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket);
30 /* drop root privs if running setuid */