xref: /AOO41X/main/solenv/bin/modules/installer/upx.pm (revision ff0525f24f03981d56b7579b645949f111420994) 
1#**************************************************************
2#
3#  Licensed to the Apache Software Foundation (ASF) under one
4#  or more contributor license agreements.  See the NOTICE file
5#  distributed with this work for additional information
6#  regarding copyright ownership.  The ASF licenses this file
7#  to you under the Apache License, Version 2.0 (the
8#  "License"); you may not use this file except in compliance
9#  with the License.  You may obtain a copy of the License at
10#
11#    http://www.apache.org/licenses/LICENSE-2.0
12#
13#  Unless required by applicable law or agreed to in writing,
14#  software distributed under the License is distributed on an
15#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16#  KIND, either express or implied.  See the License for the
17#  specific language governing permissions and limitations
18#  under the License.
19#
20#**************************************************************
21
22
23
24package installer::upx;
25
26use installer::converter;
27use installer::existence;
28use installer::globals;
29use installer::logger;
30use installer::pathanalyzer;
31use installer::scriptitems;
32use installer::systemactions;
33
34#####################################################################
35# Checking whether a file has to be stripped
36#####################################################################
37
38sub is_upx_candidate
39{
40    my ( $filename, $onefile ) = @_;
41
42    my $useupx = 0;
43
44    if (( $filename =~ /\.so\s*$/ ) ||
45        ( $filename =~ /\.dll\s*$/ ) ||
46        ( $filename =~ /\.exe\s*$/ ) ||
47        ( $filename =~ /\.bin\s*$/ ))
48    {
49        my $styles = "";
50        if ( $onefile->{'Styles'} ) { $styles = $onefile->{'Styles'}; }
51        if ( ! ( $styles =~ /\bDONT_UPX\b/ )) { $useupx = 1; }
52    }
53
54    return $useupx;
55}
56
57#####################################################################
58# Checking whether a file has to be stripped
59#####################################################################
60
61sub do_upx
62{
63    my ( $filename ) = @_;
64
65    my $compression = "9";
66    my $systemcall = $installer::globals::upxfile . " -" . $compression . " " . $filename;
67
68    my $returnvalue = system($systemcall);
69
70    my $infoline = "Systemcall: $systemcall\n";
71    push( @installer::globals::logfileinfo, $infoline);
72
73    if ($returnvalue)
74    {
75        $infoline = "WARNING: Could not successfully upx $filename! Using original file.\n";
76        push( @installer::globals::logfileinfo, $infoline);
77    }
78    else
79    {
80        $infoline = "SUCCESS: upx $filename!\n";
81        push( @installer::globals::logfileinfo, $infoline);
82    }
83
84    return $returnvalue;
85}
86
87#####################################################################
88# Using upx to decrease file size
89#####################################################################
90
91sub upx_on_libraries
92{
93    my ( $filelist, $languagestringref) = @_;
94
95    installer::logger::include_header_into_logfile("UPX'ing files:");
96    my $infoline = "";
97
98    if ( ! $installer::globals::upx_in_path )
99    {
100        $infoline = "\n\nWarning: This is an UPX product, but upx was not found in PATH!\n\n";
101        push( @installer::globals::logfileinfo, $infoline);
102    }
103    else
104    {
105        $infoline = "Using upx: $installer::globals::upxfile\n";
106        push( @installer::globals::logfileinfo, $infoline);
107
108        my $upxdirbase = installer::systemactions::create_directories("upx", $languagestringref);
109
110        if (! installer::existence::exists_in_array($upxdirbase, \@installer::globals::removedirs))
111        {
112            push(@installer::globals::removedirs, $upxdirbase);
113        }
114
115        for ( my $i = 0; $i <= $#{$filelist}; $i++ )
116        {
117            my $sourcefilename = ${$filelist}[$i]->{'sourcepath'};
118
119            if ( is_upx_candidate($sourcefilename, ${$filelist}[$i]) )
120            {
121                my $shortfilename = $sourcefilename;
122                installer::pathanalyzer::make_absolute_filename_to_relative_filename(\$shortfilename);
123
124                $infoline = "\nUpx: $shortfilename";
125                push( @installer::globals::logfileinfo, $infoline);
126
127                # copy file into directory for stripped libraries
128                my $onelanguage = ${$filelist}[$i]->{'specificlanguage'};
129
130                # files without language into directory "00"
131                if ($onelanguage eq "") { $onelanguage = "00"; }
132
133                my $upxdir = $upxdirbase . $installer::globals::separator . $onelanguage;
134                installer::systemactions::create_directory($upxdir);    # creating language specific subdirectories
135
136                my $destfilename = $upxdir . $installer::globals::separator . $shortfilename;
137                installer::systemactions::copy_one_file($sourcefilename, $destfilename);
138
139                # change sourcepath in files collector
140                ${$filelist}[$i]->{'sourcepath'} = $destfilename;
141
142                # do upx on file
143                my $return = do_upx($destfilename);
144
145                # Using original file, if upx was not successful (no reason for error)
146                if ( $return ) { ${$filelist}[$i]->{'sourcepath'} = $sourcefilename; }
147            }
148        }
149    }
150}
151
1521;
153