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Last change
on this file since 2725 was 2725, checked in by Bruno Cornec, 13 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
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File size:
895 bytes
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| [821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Utility routines.
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| 4 | *
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| [2725] | 5 | * create raw socket for icmp (IPv6 version) protocol
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| [821] | 6 | * and drop root privileges if running setuid
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| 7 | *
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| [2725] | 8 | * Licensed under GPLv2, see file LICENSE in this source tree.
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| [821] | 9 | */
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| 10 |
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| 11 | #include "libbb.h"
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| 12 |
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| [1765] | 13 | #if ENABLE_FEATURE_IPV6
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| [2725] | 14 | int FAST_FUNC create_icmp6_socket(void)
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| [821] | 15 | {
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| [2725] | 16 | int sock;
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| 17 | #if 0
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| [821] | 18 | struct protoent *proto;
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| 19 | proto = getprotobyname("ipv6-icmp");
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| 20 | /* if getprotobyname failed, just silently force
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| 21 | * proto->p_proto to have the correct value for "ipv6-icmp" */
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| [1765] | 22 | sock = socket(AF_INET6, SOCK_RAW,
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| 23 | (proto ? proto->p_proto : IPPROTO_ICMPV6));
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| [2725] | 24 | #else
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| 25 | sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
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| 26 | #endif
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| [1765] | 27 | if (sock < 0) {
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| [821] | 28 | if (errno == EPERM)
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| 29 | bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
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| [1765] | 30 | bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket);
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| [821] | 31 | }
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| 32 |
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| 33 | /* drop root privs if running setuid */
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| [1765] | 34 | xsetuid(getuid());
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| [821] | 35 |
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| 36 | return sock;
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| 37 | }
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| 38 | #endif
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