'verbose' => \$verbose,
) or pod2usage(2);
+#
+# miscellaneous initialization functions
+#
+
+setPrivilegeSeparation(0);
+
#
# main execution. This should find its way into a subroutine at some future
# point.
print " From the file README.privsep, included as a part of the OpenSSH\n";
print " distribution:\n";
print "\n";
- print " sshd is a pseudo-account that should not be used by other\n";
+ print " When privsep is enabled, during the pre-authentication\n";
+ print " phase sshd will chroot(2) to \"/var/empty\" and change its\n";
+ print " privileges to the \"sshd\" user and its primary group. sshd\n";
+ print " is a pseudo-account that should not be used by other\n";
print " daemons, and must be locked and should contain a \"nologin\"\n";
print " or invalid shell.\n";
print "\n";
my($mode, $uid, $gid);
my($data);
- if ( isPresent("/dev/random") && !isForced() )
+ if ( isPresent("$sysconfdir/ssh_prng_cmds") && !isForced() )
{
- printf("/dev/random found and not forced. Not installing ssh_prng_cmds...\n");
+ printf("ssh_prng_cmds found and not forced. Not installing ssh_prng_cmds...\n");
return;
}
# check to see whether we should enable privilege separation
#
- if ( userExists("sshd") && ( -d "/var/empty" ) && ( getMode("/var/empty") eq "0700" ) )
+ if ( userExists("sshd") && ( -d "/var/empty" ) && ( getOwnerID("/var/empty") eq 0 ) )
{
setPrivilegeSeparation(1);
}
sub copySXXScript
{
my($in, $out) = @_;
+ my($tmpgpath);
if ( !isReadable($in) )
{
return;
}
+ #
+ # clean up any junk in the globus path variable
+ #
+
+ $tmpgpath = $gpath;
+ $tmpgpath =~ s:/+:/:g;
+ $tmpgpath =~ s:([^/]+)/$:\1:g;
+
+ #
+ # read in the script, substitute globus location, then write it back out
+ #
+
$data = readFile($in);
- $data =~ s|\@GLOBUS_LOCATION\@|$gpath|g;
+ $data =~ s|\@GLOBUS_LOCATION\@|$tmpgpath|g;
writeFile($out, $data);
action("chmod 755 $out");
}
return $file;
}
+### getOwnerID( $file )
+#
+# return the uid containing the owner ID of the given file.
+#
+
+sub getOwnerID
+{
+ my($file) = @_;
+ my($uid);
+
+ #
+ # call stat() to get the mode of the file
+ #
+
+ $uid = (stat($file))[4];
+
+ return $uid;
+}
+
### getMode( $file )
#
# return a string containing the mode of the given file.