Last change
on this file since 3419 was 2725, checked in by Bruno Cornec, 14 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
|
File size:
842 bytes
|
Line | |
---|
1 | /* vi: set sw=4 ts=4: */
|
---|
2 | /*
|
---|
3 | * Utility routines.
|
---|
4 | *
|
---|
5 | * create raw socket for icmp protocol
|
---|
6 | * and drop root privileges if running setuid
|
---|
7 | *
|
---|
8 | * Licensed under GPLv2, see file LICENSE in this source tree.
|
---|
9 | */
|
---|
10 |
|
---|
11 | #include "libbb.h"
|
---|
12 |
|
---|
13 | int FAST_FUNC create_icmp_socket(void)
|
---|
14 | {
|
---|
15 | int sock;
|
---|
16 | #if 0
|
---|
17 | struct protoent *proto;
|
---|
18 | proto = getprotobyname("icmp");
|
---|
19 | /* if getprotobyname failed, just silently force
|
---|
20 | * proto->p_proto to have the correct value for "icmp" */
|
---|
21 | sock = socket(AF_INET, SOCK_RAW,
|
---|
22 | (proto ? proto->p_proto : 1)); /* 1 == ICMP */
|
---|
23 | #else
|
---|
24 | sock = socket(AF_INET, SOCK_RAW, 1); /* 1 == ICMP */
|
---|
25 | #endif
|
---|
26 | if (sock < 0) {
|
---|
27 | if (errno == EPERM)
|
---|
28 | bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
|
---|
29 | bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket);
|
---|
30 | }
|
---|
31 |
|
---|
32 | /* drop root privs if running setuid */
|
---|
33 | xsetuid(getuid());
|
---|
34 |
|
---|
35 | return sock;
|
---|
36 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.