diff options
| -rwxr-xr-x | unix/safe-rm | 51 |
1 files changed, 34 insertions, 17 deletions
diff --git a/unix/safe-rm b/unix/safe-rm index b9a855d..3cf6a0c 100755 --- a/unix/safe-rm +++ b/unix/safe-rm @@ -1,15 +1,26 @@ -#!/usr/bin/perl -t +#!/usr/bin/env perl +# +# Copyright (C) 2008-2014 Francois Marier <francois@fmarier.org> +# GNU General Public License, version 3 (GPLv3) +# +# https://launchpad.net/safe-rm +# http://repo.or.cz/safe-rm.git +# v0.12, 2014-11-03 +# +# Aaron LI +# 2018-01-17 +# -use warnings; use strict; +use warnings FATAL => 'all'; use Cwd 'realpath'; -our $VERSION = '0.12'; +my $PROG = "safe-rm"; +my $VERSION = "0.13"; -my $homedir = $ENV{HOME} || q{}; -my $LEGACY_CONFIG_FILE = "$homedir/.safe-rm"; -my $USER_CONFIG_FILE = ($ENV{XDG_CONFIG_HOME} || "$homedir/.config") . "/safe-rm"; -my $GLOBAL_CONFIG_FILE = '/etc/safe-rm.conf'; +my $HOME = $ENV{HOME} || q{}; +my $USER_CFG = ($ENV{XDG_CONFIG_HOME} || "$HOME/.config") . "/${PROG}.conf"; +my $SYS_CFG = "/etc/${PROG}.conf"; my %default_protected_dirs = ( '/bin' => 1, @@ -17,27 +28,35 @@ my %default_protected_dirs = ( '/dev' => 1, '/etc' => 1, '/home' => 1, - '/initrd' => 1, '/lib' => 1, '/lib32' => 1, '/lib64' => 1, + '/libexec' => 1, '/proc' => 1, '/root' => 1, + '/run' => 1, '/sbin' => 1, '/sys' => 1, '/usr' => 1, '/usr/bin' => 1, '/usr/include' => 1, '/usr/lib' => 1, + '/usr/libdata' => 1, + '/usr/libexec' => 1, '/usr/local' => 1, '/usr/local/bin' => 1, '/usr/local/include' => 1, + '/usr/local/lib' => 1, + '/usr/local/libdata' => 1, + '/usr/local/libexec' => 1, '/usr/local/sbin' => 1, '/usr/local/share' => 1, '/usr/sbin' => 1, '/usr/share' => 1, '/usr/src' => 1, '/var' => 1, + '/var/db' => 1, + '/var/lib' => 1, ); my %protected_dirs = (); @@ -63,9 +82,8 @@ sub read_config_file { return; } -read_config_file($GLOBAL_CONFIG_FILE); -read_config_file($LEGACY_CONFIG_FILE); -read_config_file($USER_CONFIG_FILE); +read_config_file($SYS_CFG); +read_config_file($USER_CFG); if ( 0 == scalar keys %protected_dirs ) { %protected_dirs = %default_protected_dirs; @@ -78,22 +96,21 @@ foreach (@ARGV) { # Normalize the pathname my $normalized_pathname = $pathname; if ( $normalized_pathname =~ m{/}xms or -e "$normalized_pathname" ) { - # Convert to an absolute path (e.g. remove "..") $normalized_pathname = realpath($normalized_pathname); if ( !$normalized_pathname ) { $normalized_pathname = $pathname; } } - if ( $normalized_pathname =~ m{^(.+?)/+$}xms ) { - # Trim trailing slashes + # Trim trailing slashes + if ( $normalized_pathname =~ m{^(.+?)/+$}xms ) { $normalized_pathname = $1; } # Check against the blacklist if ( exists $protected_dirs{$normalized_pathname} and not -l $pathname ) { - print {*STDERR} "safe-rm: skipping $pathname\n" || 0; + print {*STDERR} "$PROG: skipping $pathname\n" || 0; } elsif ( $pathname =~ /(.*)/xms ) { # pointless untainting push @allowed_args, $1; @@ -108,7 +125,7 @@ my $real_rm = '/bin/rm'; # Make sure we're not calling ourselves recursively if ( realpath($real_rm) eq realpath($0) ) { - die 'safe-rm cannot find the real "rm" binary' . "\n"; + die '$PROG: cannot find the real "rm" binary' . "\n"; } # Run the real rm command, returning with the same error code @@ -156,7 +173,7 @@ Both of these configuration files can contain a list of important files or directories (one per line): /etc/safe-rm.conf - ~/.config/safe-rm + ~/.config/safe-rm.conf If both of these are empty, a default list of important paths will be used. |