summaryrefslogtreecommitdiffstats
path: root/knetworkconf/backends/file.pl.in
diff options
context:
space:
mode:
Diffstat (limited to 'knetworkconf/backends/file.pl.in')
-rw-r--r--knetworkconf/backends/file.pl.in934
1 files changed, 934 insertions, 0 deletions
diff --git a/knetworkconf/backends/file.pl.in b/knetworkconf/backends/file.pl.in
new file mode 100644
index 0000000..ac73301
--- /dev/null
+++ b/knetworkconf/backends/file.pl.in
@@ -0,0 +1,934 @@
+#!/usr/bin/env perl
+#-*- Mode: perl; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+
+# Functions for file manipulation. Find, open, read, write, backup, etc.
+#
+# Copyright (C) 2000-2001 Ximian, Inc.
+#
+# Authors: Hans Petter Jansson <hpj@ximian.com>
+# Arturo Espinosa <arturo@ximian.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library 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 Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+use File::Path;
+use File::Copy;
+use File::Temp;
+use Carp;
+
+$SCRIPTSDIR = "@scriptsdir@";
+$FILESDIR = "@filesdir@";
+if ($SCRIPTSDIR =~ /^@scriptsdir[@]/)
+{
+ $FILESDIR = "files";
+ $SCRIPTSDIR = ".";
+ $DOTIN = ".in";
+}
+
+require "$SCRIPTSDIR/general.pl$DOTIN";
+require "$SCRIPTSDIR/report.pl$DOTIN";
+
+
+$GST_FILE_READ = 1;
+$GST_FILE_WRITE = 2;
+
+
+# --- File operations --- #
+
+
+sub gst_file_get_base_path
+{
+ my $path = "/var/cache/setup-tool-backends";
+ chmod (0755, $path);
+ return $path;
+}
+
+
+sub gst_file_get_tmp_path
+{
+ return (&gst_file_get_base_path () . "/tmp");
+}
+
+
+sub gst_file_get_backup_path
+{
+ return (&gst_file_get_base_path () . "/backup");
+}
+
+
+sub gst_file_get_debug_path
+{
+ return (&gst_file_get_base_path (). "/debug");
+}
+
+
+sub gst_file_get_data_path
+{
+ my $path = &gst_file_get_base_path (). "/data";
+ chmod (0755, $path);
+ return $path;
+}
+
+
+# Give a command, and it will put in C locale, some sane PATH values and find
+# the program to run in the path. Redirects stderr to null.
+sub get_cmd_path
+{
+ my ($cmd) = @_;
+ my ($tool_name, @argline, $command, $tool_path);
+
+ ($tool_name, @argline) = split("[ \t]+", $cmd);
+
+ $tool_path = &gst_file_locate_tool ($tool_name);
+ return -1 if ($tool_path eq "");
+
+
+ $command = "$tool_path @argline";
+ $command =~ s/\"/\\\"/g;
+
+ return $command;
+}
+
+sub gst_file_get_cmd_path
+{
+ my ($cmd) = @_;
+
+ my $command = &get_cmd_path ($cmd);
+ return ("LC_ALL=C PATH=\$PATH:/sbin:/usr/sbin $command 2> /dev/null");
+}
+
+# necessary for some programs that output info through stderr
+sub gst_file_get_cmd_path_with_stderr
+{
+ my ($cmd) = @_;
+
+ my $command = &get_cmd_path ($cmd);
+ return ("LC_ALL=C PATH=\$PATH:/sbin:/usr/sbin $command 2>&1");
+}
+
+
+sub gst_file_create_path
+{
+ my ($path, $perms) = @_;
+ $prems = $perms || 0770;
+ my @pelem;
+
+ $path =~ tr/\///s;
+ @pelem = split(/\//, $path); # 'a/b/c/d/' -> 'a', 'b', 'c', 'd', ''
+
+ for ($path = ""; @pelem; shift @pelem)
+ {
+ $path = "$path$pelem[0]";
+ mkdir($path, $perms);
+ $path = "$path/";
+ }
+
+ &gst_report_enter ();
+ &gst_report ("file_create_path", $_[0]);
+ &gst_report_leave ();
+}
+
+
+sub gst_file_create_path_for_file
+{
+ my ($path, $perms) = @_;
+ $prems = $perms || 0770;
+ my @pelem;
+
+ $path =~ tr/\///s;
+ @pelem = split(/\//, $path); # 'a/b/c/d/' -> 'a', 'b', 'c', 'd', ''
+
+ for ($path = ""; @pelem; shift @pelem)
+ {
+ if ($pelem[1] ne "")
+ {
+ $path = "$path$pelem[0]";
+ mkdir($path, $perms);
+ $path = "$path/";
+ }
+ }
+
+ &gst_report_enter ();
+ &gst_report ("file_create_path", $_[0]);
+ &gst_report_leave ();
+}
+
+
+$gst_file_backup_dir_rotation_was_made = 0;
+
+# If this is the first backup created by this tool on this invocation,
+# rotate the backup directories and create a new, empty one.
+sub gst_file_backup_rotate_dirs
+{
+ my $backup_tool_dir = $_[0];
+
+ &gst_report_enter ();
+
+ if (!$gst_file_backup_dir_rotation_was_made)
+ {
+ my $i;
+
+ $gst_file_backup_dir_rotation_was_made = 1;
+ if (-e "$backup_tool_dir/9")
+ {
+ if (-s "$backup_tool_dir/9")
+ {
+ unlink ("$backup_tool_dir/9");
+ }
+ else
+ {
+ &gst_file_rmtree ("$backup_tool_dir/9");
+ }
+ }
+
+ for ($i = 8; $i; $i--)
+ {
+ if (stat ("$backup_tool_dir/$i"))
+ {
+ move ("$backup_tool_dir/$i", "$backup_tool_dir/" . ($i+1));
+ }
+ }
+
+ if (!stat ("$backup_tool_dir/First"))
+ {
+ &gst_file_create_path ("$backup_tool_dir/First");
+ &gst_file_run ("ln -s First $backup_tool_dir/1");
+ }
+ else
+ {
+ &gst_file_create_path_for_file ("$backup_tool_dir/1/");
+ }
+
+ &gst_report ("file_backup_rotate", $backup_tool_dir);
+ }
+
+ &gst_report_enter ();
+}
+
+sub gst_file_backup
+{
+ my $backup_file = $_[0];
+ my $backup_tool_dir;
+
+ &gst_report_enter ();
+
+ $backup_tool_dir = &gst_file_get_backup_path () . "/$gst_name/";
+
+ &gst_file_backup_rotate_dirs ($backup_tool_dir);
+
+ # If the file hasn't already been backed up on this invocation, copy the
+ # file to the backup directory.
+
+ if (!stat ("$backup_tool_dir/1/$backup_file"))
+ {
+ &gst_file_create_path_for_file ("$backup_tool_dir/1/$backup_file");
+ copy ($backup_file, "$backup_tool_dir/1/$backup_file");
+ &gst_report ("file_backup_success", $backup_tool_dir);
+ }
+
+ &gst_report_leave ();
+}
+
+# Return 1/0 depending on file existance.
+sub gst_file_exists
+{
+ my ($file) = @_;
+
+ return (-f "$gst_prefix/$file")? 1: 0;
+}
+
+sub gst_file_open_read_from_names
+{
+ local *FILE;
+ my $fname = "";
+
+ &gst_report_enter ();
+
+ foreach $name (@_)
+ {
+ if (open (FILE, "$gst_prefix/$name"))
+ {
+ $fname = $name;
+ last;
+ }
+ }
+
+ (my $fullname = "$gst_prefix/$fname") =~ tr/\//\//s; # '//' -> '/'
+
+ if ($fname eq "")
+ {
+ &gst_report ("file_open_read_failed", "@_");
+ return undef;
+ }
+
+ &gst_report ("file_open_read_success", $fullname);
+ &gst_report_leave ();
+
+ return *FILE;
+}
+
+
+sub gst_file_open_write_from_names
+{
+ local *FILE;
+ my $name;
+ my $fullname;
+
+ &gst_report_enter ();
+
+ # Find out where it lives.
+
+ foreach $elem (@_) { if (stat($elem) ne "") { $name = $elem; last; } }
+
+ if ($name eq "")
+ {
+ $name = $_[0];
+ (my $fullname = "$gst_prefix/$name") =~ tr/\//\//s;
+ &gst_report ("file_open_write_create", "@_", $fullname);
+ }
+ else
+ {
+ (my $fullname = "$gst_prefix/$name") =~ tr/\//\//s;
+ &gst_report ("file_open_write_success", $fullname);
+ }
+
+ ($name = "$gst_prefix/$name") =~ tr/\//\//s; # '//' -> '/'
+ &gst_file_create_path_for_file ($name);
+
+ # Make a backup if the file already exists - if the user specified a prefix,
+ # it might not.
+
+ if (stat ($name))
+ {
+ &gst_file_backup ($name);
+ }
+
+ &gst_report_leave ();
+
+ # Truncate and return filehandle.
+
+ if (!open (FILE, ">$name"))
+ {
+ &gst_report ("file_open_write_failed", $name);
+ return undef;
+ }
+
+ return *FILE;
+}
+
+sub gst_file_open_filter_write_from_names
+{
+ local *INFILE;
+ local *OUTFILE;
+ my ($filename, $name, $elem);
+
+ &gst_report_enter ();
+
+ # Find out where it lives.
+
+ foreach $coin (@_)
+ {
+ if (-e $coin) { $name = $coin; last; }
+ }
+
+ if (! -e $name)
+ {
+ # If we couldn't locate the file, and have no prefix, give up.
+
+ # If we have a prefix, but couldn't locate the file relative to '/',
+ # take the first name in the array and let that be created in $prefix.
+
+ if ($prefix eq "")
+ {
+ &gst_report ("file_open_filter_failed", "@_");
+ return(0, 0);
+ }
+ else
+ {
+ $name = $_[0];
+ (my $fullname = "$gst_prefix/$name") =~ tr/\//\//s;
+ &gst_report ("file_open_filter_create", "@_", $fullname);
+ }
+ }
+ else
+ {
+ (my $fullname = "$gst_prefix/$name") =~ tr/\//\//s;
+ &gst_report ("file_open_filter_success", $name, $fullname);
+ }
+
+ ($filename) = $name =~ /.*\/(.+)$/;
+ ($name = "$gst_prefix/$name") =~ tr/\//\//s; # '//' -> '/'
+ &gst_file_create_path_for_file ($name);
+
+ # Make a backup if the file already exists - if the user specified a prefix,
+ # it might not.
+
+ if (-e $name)
+ {
+ &gst_file_backup ($name);
+ }
+
+ # Return filehandles. Make a copy to use as filter input. It might be
+ # invalid (no source file), in which case the caller should just write to
+ # OUTFILE without bothering with INFILE filtering.
+
+ my $tmp_path = &gst_file_get_tmp_path ();
+
+ &gst_file_create_path ("$tmp_path");
+ unlink ("$tmp_path/$gst_name-$filename");
+ copy ($name, "$tmp_path/$gst_name-$filename");
+
+ open (INFILE, "$tmp_path/$gst_name-$filename");
+
+ if (!open (OUTFILE, ">$name"))
+ {
+ &gst_report ("file_open_filter_failed", $name);
+ return;
+ }
+
+ &gst_report_leave ();
+
+ return (*INFILE, *OUTFILE);
+}
+
+
+sub gst_file_open_write_compressed
+{
+ local *FILE;
+ my ($name, $fullname, $gzip);
+
+ $gzip = &gst_file_locate_tool ("gzip");
+ return undef if (!$gzip);
+
+ &gst_report_enter ();
+
+ # Find out where it lives.
+
+ foreach $elem (@_) { if (stat($elem) ne "") { $name = $elem; last; } }
+
+ if ($name eq "")
+ {
+ $name = $_[0];
+ (my $fullname = "$gst_prefix/$name") =~ tr/\//\//s;
+ &gst_report ("file_open_write_create", "@_", $fullname);
+ }
+ else
+ {
+ (my $fullname = "$gst_prefix/$name") =~ tr/\//\//s;
+ &gst_report ("file_open_write_success", $fullname);
+ }
+
+ ($name = "$gst_prefix/$name") =~ tr/\//\//s; # '//' -> '/'
+ &gst_file_create_path_for_file ($name);
+
+ # Make a backup if the file already exists - if the user specified a prefix,
+ # it might not.
+
+ if (stat ($name))
+ {
+ &gst_file_backup ($name);
+ }
+
+ &gst_report_leave ();
+
+ # Truncate and return filehandle.
+
+ if (!open (FILE, "| $gzip -c > $name"))
+ {
+ &gst_report ("file_open_write_failed", $name);
+ return;
+ }
+
+ return *FILE;
+}
+
+
+sub gst_file_run_pipe
+{
+ my ($cmd, $mode_mask, $stderr) = @_;
+ my ($command);
+ local *PIPE;
+
+ $mode_mask = $GST_FILE_READ if $mode_mask eq undef;
+
+ &gst_report_enter ();
+
+ if ($stderr)
+ {
+ $command = &gst_file_get_cmd_path_with_stderr ($cmd);
+ }
+ else
+ {
+ $command = &gst_file_get_cmd_path ($cmd);
+ }
+
+ if ($command == -1)
+ {
+ &gst_report ("file_run_pipe_failed", $command);
+ &gst_report_leave ();
+ return undef;
+ }
+
+ $command .= " |" if $mode_mask & $GST_FILE_READ;
+ $command = "| $command > /dev/null" if $mode_mask & $GST_FILE_WRITE;
+
+ open PIPE, $command;
+ &gst_report ("file_run_pipe_success", $command);
+ &gst_report_leave ();
+ return *PIPE;
+}
+
+
+sub gst_file_run_pipe_read
+{
+ my ($cmd) = @_;
+
+ return &gst_file_run_pipe ($cmd, $GST_FILE_READ);
+}
+
+sub gst_file_run_pipe_read_with_stderr
+{
+ my ($cmd) = @_;
+
+ return &gst_file_run_pipe ($cmd, $GST_FILE_READ, 1);
+}
+
+sub gst_file_run_pipe_write
+{
+ my ($cmd) = @_;
+
+ return &gst_file_run_pipe ($cmd, $GST_FILE_WRITE);
+}
+
+
+sub gst_file_run_backtick
+{
+ my ($cmd, $stderr) = @_;
+ my ($fd, $res);
+
+ if ($stderr)
+ {
+ $fd = &gst_file_run_pipe_read_with_stderr ($cmd);
+ }
+ else
+ {
+ $fd = &gst_file_run_pipe_read ($cmd);
+ }
+
+ $res = join ('', <$fd>);
+ &gst_file_close ($fd);
+
+ return $res;
+}
+
+
+sub gst_file_close
+{
+ my ($fd) = @_;
+
+ close $fd if (ref \$fd eq "GLOB");
+}
+
+
+sub gst_file_remove
+{
+ my ($name) = @_;
+
+ &gst_report_enter ();
+ &gst_report ("file_remove", $name);
+
+ if (stat ($name))
+ {
+ &gst_file_backup ($name);
+ }
+
+ unlink $name;
+ &gst_report_leave ();
+}
+
+sub gst_file_rmtree
+{
+ my($roots, $verbose, $safe) = @_;
+ my(@files);
+ my($count) = 0;
+ $verbose ||= 0;
+ $safe ||= 0;
+
+ if ( defined($roots) && length($roots) ) {
+ $roots = [$roots] unless ref $roots;
+ }
+ else {
+ carp "No root path(s) specified\n";
+ return 0;
+ }
+
+ my($root);
+ foreach $root (@{$roots}) {
+ $root =~ s#/\z##;
+ (undef, undef, my $rp) = lstat $root or next;
+ $rp &= 07777; # don't forget setuid, setgid, sticky bits
+
+ if ( -d $root ) { # $root used to be _, which is a bug.
+ # this is why we are replicating this function.
+
+ # notabene: 0777 is for making readable in the first place,
+ # it's also intended to change it to writable in case we have
+ # to recurse in which case we are better than rm -rf for
+ # subtrees with strange permissions
+ chmod(0777, ($Is_VMS ? VMS::Filespec::fileify($root) : $root))
+ or carp "Can't make directory $root read+writeable: $!"
+ unless $safe;
+
+ local *DIR;
+ if (opendir DIR, $root) {
+ @files = readdir DIR;
+ closedir DIR;
+ }
+ else {
+ carp "Can't read $root: $!";
+ @files = ();
+ }
+
+ # Deleting large numbers of files from VMS Files-11 filesystems
+ # is faster if done in reverse ASCIIbetical order
+ @files = reverse @files if $Is_VMS;
+ ($root = VMS::Filespec::unixify($root)) =~ s#\.dir\z## if $Is_VMS;
+ @files = map("$root/$_", grep $_!~/^\.{1,2}\z/s,@files);
+ $count += &gst_file_rmtree(\@files,$verbose,$safe);
+ if ($safe &&
+ ($Is_VMS ? !&VMS::Filespec::candelete($root) : !-w $root)) {
+ print "skipped $root\n" if $verbose;
+ next;
+ }
+ chmod 0777, $root
+ or carp "Can't make directory $root writeable: $!"
+ if $force_writeable;
+ print "rmdir $root\n" if $verbose;
+ if (rmdir $root) {
+ ++$count;
+ }
+ else {
+ carp "Can't remove directory $root: $!";
+ chmod($rp, ($Is_VMS ? VMS::Filespec::fileify($root) : $root))
+ or carp("and can't restore permissions to "
+ . sprintf("0%o",$rp) . "\n");
+ }
+ }
+ else {
+ if ($safe &&
+ ($Is_VMS ? !&VMS::Filespec::candelete($root)
+ : !(-l $root || -w $root)))
+ {
+ print "skipped $root\n" if $verbose;
+ next;
+ }
+ chmod 0666, $root
+ or carp "Can't make file $root writeable: $!"
+ if $force_writeable;
+ print "unlink $root\n" if $verbose;
+ # delete all versions under VMS
+ for (;;) {
+ unless (unlink $root) {
+ carp "Can't unlink file $root: $!";
+ if ($force_writeable) {
+ chmod $rp, $root
+ or carp("and can't restore permissions to "
+ . sprintf("0%o",$rp) . "\n");
+ }
+ last;
+ }
+ ++$count;
+ last unless $Is_VMS && lstat $root;
+ }
+ }
+ }
+
+ $count;
+}
+
+# --- Buffer operations --- #
+
+
+# Open $file and put it into @buffer, for in-line editting.
+# \@buffer on success, undef on error.
+
+sub gst_file_buffer_load
+{
+ my ($file) = @_;
+ my @buffer;
+ my $fd;
+
+ &gst_report_enter ();
+ &gst_report ("file_buffer_load", $file);
+
+ $fd = &gst_file_open_read_from_names ($file);
+ return [] unless $fd;
+
+ @buffer = (<$fd>);
+
+ &gst_report_leave ();
+
+ return \@buffer;
+}
+
+# Same with an already open fd.
+sub gst_file_buffer_load_fd
+{
+ my ($fd) = @_;
+ my (@buffer);
+
+ &gst_report_enter ();
+ &gst_report ("file_buffer_load", $file);
+
+ @buffer = (<$fd>);
+
+ &gst_report_leave ();
+
+ return \@buffer;
+}
+
+# Take a $buffer and save it in $file. -1 is error, 0 success.
+
+sub gst_file_buffer_save
+{
+ my ($buffer, $file) = @_;
+ my ($fd, $i);
+
+ &gst_report_enter ();
+ &gst_report ("file_buffer_save", $file);
+
+ foreach $i (@$buffer)
+ {
+ &gst_debug_print_string ("|" . $i);
+ }
+
+ $fd = &gst_file_open_write_from_names ($file);
+ return -1 if !$fd;
+
+ if (@$buffer < 1)
+ {
+ # We want to write single line.
+ # Print only if $buffer is NOT a reference (it'll print ARRAY(0x412493) for example).
+ print $fd $buffer if (!ref ($buffer));
+ }
+
+ else
+ {
+ # Let's print array
+
+ foreach $i (@$buffer)
+ {
+ print $fd $i;
+ }
+ }
+
+ &gst_file_close ($fd);
+
+ &gst_report_leave ();
+
+ return 0;
+}
+
+
+# Erase all empty string elements from the $buffer.
+
+sub gst_file_buffer_clean
+{
+ my $buffer = $_[0];
+ my $i;
+
+ for ($i = 0; $i <= $#$buffer; $i++)
+ {
+ splice (@$buffer, $i, 1) if $$buffer[$i] eq "";
+ }
+}
+
+
+sub gst_file_buffer_join_lines
+{
+ my $buffer = $_[0];
+ my $i;
+
+ for ($i = 0; $i <= $#$buffer; $i++)
+ {
+ while ($$buffer[$i] =~ /\\$/)
+ {
+ chomp $$buffer[$i];
+ chop $$buffer[$i];
+ $$buffer[$i] .= $$buffer[$i + 1];
+ splice (@$buffer, $i + 1, 1);
+ }
+ }
+}
+
+
+# --- Command-line utilities --- #
+
+
+# &gst_file_run (<command line>)
+#
+# Assumes the first word on the command line is the command-line utility
+# to run, and tries to locate it, replacing it with its full path. The path
+# is cached in a hash, to avoid searching for it repeatedly. Output
+# redirection is appended, to make the utility perfectly silent. The
+# preprocessed command line is run, and its exit value is returned.
+#
+# Example: "mkswap /dev/hda3" -> 'PATH=$PATH:/sbin:/usr/sbin /sbin/mkswap /dev/hda3 2>/dev/null >/dev/null'.
+
+sub gst_file_run
+{
+ my ($cmd, $background) = @_;
+ my ($command, $tool_name, $tool_path, @argline);
+
+ &gst_report_enter ();
+
+ $command = &gst_file_get_cmd_path ($cmd);
+ return -1 if $command == -1;
+ $command .= " > /dev/null";
+ $command .= " &" if $background;
+
+ &gst_report ("file_run", $command);
+ &gst_report_leave ();
+
+ # As documented in perlfunc, divide by 256.
+ return (system ($command) / 256);
+}
+
+sub gst_file_run_bg
+{
+ my ($cmd) = @_;
+
+ return &gst_file_run ($cmd, 1);
+}
+
+# &gst_file_locate_tool
+#
+# Tries to locate a command-line utility from a set of built-in paths
+# and a set of user paths (found in the environment). The path (or a negative
+# entry) is cached in a hash, to avoid searching for it repeatedly.
+
+@gst_builtin_paths = ( "/sbin", "/usr/sbin", "/usr/local/sbin",
+ "/bin", "/usr/bin", "/usr/local/bin" );
+
+%gst_tool_paths = ();
+
+sub gst_file_locate_tool
+{
+ my ($tool) = @_;
+ my $found = "";
+ my @user_paths;
+
+ # We don't search absolute paths. Arturo.
+ if ($tool =~ /^\//)
+ {
+ if (! (-x $tool))
+ {
+ &gst_report ("file_locate_tool_failed", $tool);
+ return "";
+ }
+
+ return $tool;
+ }
+
+ &gst_report_enter ();
+
+ $found = $gst_tool_paths{$tool};
+ if ($found eq "0")
+ {
+ # Negative cache hit. At this point, the failure has already been reported
+ # once.
+ return "";
+ }
+
+ if ($found eq "")
+ {
+ # Nothing found in cache. Look for real.
+
+ # Extract user paths to try.
+
+ @user_paths = ($ENV{PATH} =~ /([^:]+):/mg);
+
+ # Try user paths.
+
+ foreach $path (@user_paths)
+ {
+ if (-x "$path/$tool" || -u "$path/$tool") { $found = "$path/$tool"; last; }
+ }
+
+ if (!$found)
+ {
+ # Try builtin paths.
+ foreach $path (@gst_builtin_paths)
+ {
+ if (-x "$path/$tool" || -u "$path/$tool") { $found = "$path/$tool"; last; }
+ }
+ }
+
+ # Report success/failure and update cache.
+
+ if ($found)
+ {
+ $gst_tool_paths{$tool} = $found;
+ &gst_report ("file_locate_tool_success", $tool);
+ }
+ else
+ {
+ $gst_tool_paths{$tool} = "0";
+ &gst_report ("file_locate_tool_failed", $tool);
+ }
+ }
+
+ &gst_report_leave ();
+
+ return ($found);
+}
+
+sub gst_file_tool_installed
+{
+ my ($tool) = @_;
+
+ $tool = &gst_file_locate_tool ($tool);
+ return 0 if $tool eq "";
+ return 1;
+}
+
+sub gst_file_copy
+{
+ my ($orig, $dest) = @_;
+
+ return if (!gst_file_exists ($orig));
+ copy ("$gst_prefix/$orig", "$gst_prefix/$dest");
+}
+
+sub gst_file_get_temp_name
+{
+ my ($prefix) = @_;
+
+ return mktemp ($prefix);
+}
+
+sub gst_file_copy_from_stock
+{
+ my ($orig, $dest) = @_;
+
+ if (!copy ("$FILESDIR/$orig", $dest))
+ {
+ &gst_report ("file_copy_failed", "$FILESDIR/$orig", $dest);
+ return -1;
+ }
+
+ return 0;
+}
+
+1;