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