xref: /trunk/main/solenv/bin/modules/installer/upx.pm (revision b274bc22)
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