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Use setresuid for simple privilege dropping.

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This commit is contained in:
Kevin Lo 2007-03-08 03:49:23 +00:00
parent 39153c5a23
commit 19c7ed845e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=167314
1 changed files with 6 additions and 2 deletions
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8
usr.sbin/traceroute6/traceroute6.c
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@ -373,6 +373,7 @@ main(argc, argv)
u_long probe, hops, lport;
struct hostent *hp;
size_t size;
uid_t uid;
/*
* Receive ICMP
@ -383,8 +384,11 @@ main(argc, argv)
}
/* revoke privs */
seteuid(getuid());
setuid(getuid());
uid = getuid();
if (setresuid(uid, uid, uid) == -1) {
perror("setresuid");
exit(1);
}
size = sizeof(i);
(void) sysctl(mib, sizeof(mib)/sizeof(mib[0]), &i, &size, NULL, 0);