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boklm |
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#!/usr/bin/perl |
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# This file is part of the Savane project |
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# <http://gna.org/projects/savane/> |
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# |
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# $Id$ |
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# |
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# Copyright 2004-2005 (c) Loic Dachary <loic--gnu.org> |
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# Mathieu Roy <yeupou--gnu.org> |
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# Timothee Besset <ttimo--ttimo.net> |
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# |
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# The Savane project 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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# The Savane project 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 the Savane project; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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# |
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# |
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# Login shell for people who should only have limited access. |
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# You probably should add/modify the following option of your sshd_config |
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# like below (see sshd_config manual for more details): |
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# PermitEmptyPasswords no |
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# PasswordAuthentication no |
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# AllowTcpForwarding no |
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use strict; |
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$ENV{PATH}="/bin:/usr/bin"; |
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$ENV{CVSEDITOR}="/bin/false"; |
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# Import conf options |
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our $use_cvs = "0"; |
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our $bin_cvs = "/usr/bin/cvs"; |
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our $use_scp = "0"; |
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our $bin_scp = "/usr/bin/scp"; |
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our $regexp_scp = "^(scp .*-t /upload)|(scp .*-t /var/ftp)"; |
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our $use_sftp = "0"; |
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our $bin_sftp = "/usr/lib/sftp-server"; |
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our $regexp_sftp = "^(/usr/lib/ssh/sftp-server|/usr/lib/sftp-server|/usr/libexec/sftp-server|/usr/lib/openssh/sftp-server)"; |
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our $use_rsync = "0"; |
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our $bin_rsync = "/usr/bin/rsync"; |
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our $regexp_rsync = "^rsync --server"; |
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our $regexp_dir_rsync = "^(/upload)|(/var/ftp)"; |
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our $use_svn = "0"; |
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our $bin_svn = "/usr/bin/svnserve"; |
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our $regexp_svn = "^svnserve -t"; |
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our @prepend_args_svn = ( '-r', '/svn' ); |
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our $use_git = "0"; |
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our $bin_git = "/usr/bin/git-shell"; |
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boklm |
220 |
our $use_pkgsubmit = "0"; |
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boklm |
819 |
our $regexp_pkgsubmit = "^/usr/share/repsys/create-srpm |^/usr/local/bin/submit_package "; |
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boklm |
822 |
our $bin_pkgsubmit = "/usr/local/bin/submit_package"; |
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boklm |
220 |
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boklm |
1844 |
our $use_maintdb = "0"; |
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our $regexp_maintdb = "^/usr/local/bin/wrapper.maintdb "; |
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our $bin_maintdb = "/usr/local/bin/wrapper.maintdb"; |
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boklm |
1939 |
our $use_upload_bin = "0"; |
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our $regexp_upload_bin = "^/usr/local/bin/wrapper.upload-bin "; |
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our $bin_upload_bin = "/usr/local/bin/wrapper.upload-bin"; |
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boklm |
78 |
# Open configuration file |
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if (-e "/etc/membersh-conf.pl") { |
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do "/etc/membersh-conf.pl" or die "System misconfiguration, contact administrators. Exiting"; |
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} else { |
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die "System misconfiguration, contact administrators. Exiting"; |
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} |
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# A configuration file /etc/membersh-conf.pl must exists and be executable. |
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# Here come an example: |
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# |
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# $use_cvs = "1"; |
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# $bin_cvs = "/usr/bin/cvs"; |
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# |
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# $use_scp = "1"; |
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# $bin_scp = "/usr/bin/scp"; |
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# $regexp_scp = "^scp .*-t (/upload)|(/var/ftp)"; |
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# $use_sftp = "1"; |
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# $bin_sftp = "/usr/lib/sftp-server"; |
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# $regexp_sftp = "^(/usr/lib/ssh/sftp-server|/usr/lib/sftp-server|/usr/libexec/sftp-server)"; |
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# |
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# $use_rsync = "1"; |
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# $bin_rsync = "/usr/bin/rsync"; |
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# $regexp_rsync = "^rsync --server"; |
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# $regexp_dir_rsync = "^(/upload)|(/var/ftp)"; |
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boklm |
220 |
# |
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# $use_pkgsubmit = "1"; |
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boklm |
1844 |
# |
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# $use_maintdb = "1"; |
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boklm |
1939 |
# |
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# $use_upload_bin = "1"; |
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boklm |
78 |
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if ($#ARGV == 1 and $ARGV[0] eq "-c") { |
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if ($use_cvs and $ARGV[1] eq 'cvs server') { |
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# Run a cvs server command |
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exec($bin_cvs, 'server') or die("Failed to exec $bin_cvs: $!"); |
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} elsif ($use_scp and |
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$ARGV[1] =~ m:$regexp_scp:) { |
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# Authorize scp command |
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my (@args) = split(' ', $ARGV[1]); |
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shift(@args); |
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exec($bin_scp, @args); |
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} elsif ($use_sftp and |
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$ARGV[1] =~ m:$regexp_sftp:) { |
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# Authorize sftp login |
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exec($bin_sftp) or die("Failed to exec $bin_sftp: $!"); |
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} elsif ($use_rsync and |
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$ARGV[1] =~ m:$regexp_rsync:) { |
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my ($rsync, @rest) = split(' ', $ARGV[1]); |
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my ($dir) = $rest[$#rest]; |
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# Authorize rsync command, if the directory is acceptable |
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if ($dir =~ m:$regexp_dir_rsync:) { |
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exec($bin_rsync, @rest) or die("Failed to exec $bin_rsync: $!"); |
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} |
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} elsif ($use_svn and |
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$ARGV[1] =~ m:$regexp_svn:) { |
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# authorize svnserve in tunnel mode, with the svn root prepended |
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my (@args) = @prepend_args_svn; |
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my (@args_user) = split(' ', $ARGV[1]); |
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shift( @args_user ); |
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push( @args, @args_user ); |
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exec($bin_svn, @args) or die("Failed to exec $bin_svn: $!"); |
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boklm |
2026 |
} elsif ($use_git and $ARGV[1] =~ m:^git-.+:) { |
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boklm |
78 |
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# Delegate filtering to git-shell |
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exec($bin_git, @ARGV) or die("Failed to exec $bin_git: $!"); |
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boklm |
220 |
} elsif ($use_pkgsubmit and |
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$ARGV[1] =~ m:$regexp_pkgsubmit:) { |
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boklm |
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boklm |
220 |
my ($createsrpm, @rest) = split(' ', $ARGV[1]); |
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exec($bin_pkgsubmit, @rest) or die("Failed to exec $bin_pkgsubmit: $!"); |
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boklm |
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} elsif ($use_maintdb and |
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$ARGV[1] =~ m:$regexp_maintdb:) { |
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my ($maintdb, @rest) = split(' ', $ARGV[1]); |
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exec($bin_maintdb, @rest) or die("Failed to exec $bin_maintdb: $!"); |
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boklm |
1939 |
} elsif ($use_upload_bin and |
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$ARGV[1] =~ m:$regexp_upload_bin:) { |
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my ($upload_bin, @rest) = split(' ', $ARGV[1]); |
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exec($bin_upload_bin, @rest) or die("Failed to exec $bin_upload_bin: $!"); |
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boklm |
78 |
} |
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} |
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unless (-e "/etc/membersh-errormsg") { |
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misc |
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if ($ARGV) { |
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print STDERR "You tried to execute: @ARGV[1..$#ARGV]\n"; |
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} else { |
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print STDERR "You tried to run a interactive shell.\n" |
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} |
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boklm |
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print STDERR "Sorry, you are not allowed to execute that command.\n"; |
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misc |
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print STDERR "You are member of the following groups :\n"; |
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print STDERR qx(groups); |
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boklm |
78 |
} else { |
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open(ERRORMSG, "< /etc/membersh-errormsg"); |
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while (<ERRORMSG>) { |
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print STDERR $_; |
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} |
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close(ERRORMSG); |
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} |
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exit(1); |
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