busybox/libbb/create_icmp6_socket.c
Denis Vlasenko 4e6d5117b8 inetd: make it NOMMU-capable and IPv6-friendly. Lots of renames
of variable/function names

Total: -2474 bytes
   text    data     bss     dec     hex filename
 802215     661    7452  810328   c5d58 busybox_old
 800120     661    7428  808209   c5511 busybox_unstripped
2008-03-12 22:14:34 +00:00

37 lines
819 B
C

/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* create raw socket for icmp (IPv6 version) protocol
* and drop root privileges if running setuid
*/
#include "libbb.h"
#if ENABLE_FEATURE_IPV6
int create_icmp6_socket(void)
{
int sock;
#if 0
struct protoent *proto;
proto = getprotobyname("ipv6-icmp");
/* if getprotobyname failed, just silently force
* proto->p_proto to have the correct value for "ipv6-icmp" */
sock = socket(AF_INET6, SOCK_RAW,
(proto ? proto->p_proto : IPPROTO_ICMPV6));
#else
sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
#endif
if (sock < 0) {
if (errno == EPERM)
bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket);
}
/* drop root privs if running setuid */
xsetuid(getuid());
return sock;
}
#endif