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Drop privileges properly (Radu Greab)

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git-svn-id: https://svn.perl.org/qpsmtpd/trunk@856 958fd67b-6ff1-0310-b445-bb7760255be9
This commit is contained in:
Matt Sergeant 2008-03-13 19:56:25 +00:00
parent ce5b41df9f
commit ddb7cd19d8
1 changed files with 9 additions and 1 deletions
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10
qpsmtpd-async
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@ -264,7 +264,15 @@ sub run_as_server {
# Drop priviledges # Drop priviledges
my (undef, undef, $quid, $qgid) = getpwnam $USER or my (undef, undef, $quid, $qgid) = getpwnam $USER or
die "unable to determine uid/gid for $USER\n"; die "unable to determine uid/gid for $USER\n";
$) = ""; my $groups = "$qgid $qgid";
while (my (undef, undef, $gid, $members) = getgrent) {
my @m = split(/ /, $members);
if (grep { $_ eq $USER } @m) {
$groups .= " $gid";
}
}
endgrent;
$) = $groups;
POSIX::setgid($qgid) or POSIX::setgid($qgid) or
die "unable to change gid: $!\n"; die "unable to change gid: $!\n";
POSIX::setuid($quid) or POSIX::setuid($quid) or