xref: /AOO41X/main/solenv/bin/modules/installer/upx.pm (revision fe22d2cfc602815794415026f1317bd625db6f83) 
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    $installer::logger::Lang->print($infoline);
72
73    if ($returnvalue)
74    {
75        $infoline = "WARNING: Could not successfully upx $filename! Using original file.\n";
76        $installer::logger::Lang->print($infoline);
77    }
78    else
79    {
80        $infoline = "SUCCESS: upx $filename!\n";
81        $installer::logger::Lang->print($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        $installer::logger::Lang->print("\n");
101        $installer::logger::Lang->print("\n");
102        $installer::logger::Lang->print("Warning: This is an UPX product, but upx was not found in PATH!\n");
103        $installer::logger::Lang->print("\n");
104    }
105    else
106    {
107        $infoline = "Using upx: $installer::globals::upxfile\n";
108        $installer::logger::Lang->print($infoline);
109
110        my $upxdirbase = installer::systemactions::create_directories("upx", $languagestringref);
111
112        if (! installer::existence::exists_in_array($upxdirbase, \@installer::globals::removedirs))
113        {
114            push(@installer::globals::removedirs, $upxdirbase);
115        }
116
117        for ( my $i = 0; $i <= $#{$filelist}; $i++ )
118        {
119            my $sourcefilename = ${$filelist}[$i]->{'sourcepath'};
120
121            if ( is_upx_candidate($sourcefilename, ${$filelist}[$i]) )
122            {
123                my $shortfilename = $sourcefilename;
124                installer::pathanalyzer::make_absolute_filename_to_relative_filename(\$shortfilename);
125
126                $installer::logger::Lang->print("\n");
127                $installer::logger::Lang->printf("Upx: %s", $shortfilename);
128
129                # copy file into directory for stripped libraries
130                my $onelanguage = ${$filelist}[$i]->{'specificlanguage'};
131
132                # files without language into directory "00"
133                if ($onelanguage eq "") { $onelanguage = "00"; }
134
135                my $upxdir = $upxdirbase . $installer::globals::separator . $onelanguage;
136                installer::systemactions::create_directory($upxdir);    # creating language specific subdirectories
137
138                my $destfilename = $upxdir . $installer::globals::separator . $shortfilename;
139                installer::systemactions::copy_one_file($sourcefilename, $destfilename);
140
141                # change sourcepath in files collector
142                ${$filelist}[$i]->{'sourcepath'} = $destfilename;
143
144                # do upx on file
145                my $return = do_upx($destfilename);
146
147                # Using original file, if upx was not successful (no reason for error)
148                if ( $return ) { ${$filelist}[$i]->{'sourcepath'} = $sourcefilename; }
149            }
150        }
151    }
152}
153
1541;
155