Add the setuid script missing from my last checkin.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@22736 f5534014-38df-0310-8fa8-9805f1628bb7

diff --git a/tools/setuid-root.pl.in b/tools/setuid-root.pl.in
new file mode 100755 (executable)
index 0000000..7efcf57
--- /dev/null
+++ b/tools/setuid-root.pl.in
@@ -0,0 +1,80 @@
+#!/usr/bin/perl -w
+#
+# setuid-root - Enable/disable setuid for tshark and dumpcap.
+#
+# $Id$
+#
+# Copyright 2007, Luis Ontanon and Gerald Combs
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+sub usage() {
+  die <<FIN
+Usage: $0 {enable|disable} [revert owner]
+
+Examples:
+  $0 enable            # Changes owner to root and enables setuid
+  $0 disable           # Changes owner to \$SUDO_USER and disables setuid
+  $0 disable kurtv     # Changes owner to kurtv and disables setuid
+FIN
+}
+
+$< == 0 or die "only root can run this script";
+
+$bin_prefix = "@BIN_PREFIX@";
+
+if ($#ARGV < 0) { usage(); }
+
+$command = shift;
+$command =~ tr/A-Z/a-z/;
+
+$tshark_bin = "@TSHARK_BIN@";
+$dumpcap_bin = "@DUMPCAP_BIN@";
+
+die "Don't know prefix path" if length($bin_prefix) < 1;
+die "Don't know tshark binary name" if length($tshark_bin) < 1;
+die "Don't know dumpcap binary name" if length($dumpcap_bin) < 1;
+
+$revert_owner = "";
+if ($#ARGV >= 0) {
+  $revert_owner = shift;
+}
+
+if (length($revert_owner) < 1 && length($ENV{SUDO_USER}) > 0) {
+  $revert_owner = $ENV{SUDO_USER};
+}
+
+if ($command eq "enable") {
+  system("chown root $bin_prefix/$tshark_bin");
+  system("chown root $bin_prefix/$dumpcap_bin");
+  system("chmod ug+s $bin_prefix/$tshark_bin");
+  system("chmod ug+s $bin_prefix/$dumpcap_bin");
+  exit 0;
+} 
+
+if ($command eq "disable"){
+  system("chmod ug-s $bin_prefix/$tshark_bin");
+  system("chmod ug-s $bin_prefix/$dumpcap_bin");
+  die "Can't revert owner" if length($revert_owner) < 1;
+  system("chown $revert_owner $bin_prefix/$tshark_bin");
+  system("chown $revert_owner $bin_prefix/$dumpcap_bin");
+  exit(0);
+}
+
+usage();