xref: /AOO41X/main/solenv/bin/modules/installer/upx.pm (revision 5979ef3c542ac870a02043decc543300c0ec3dfb) 
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27
28package installer::upx;
29
30use installer::converter;
31use installer::existence;
32use installer::globals;
33use installer::logger;
34use installer::pathanalyzer;
35use installer::scriptitems;
36use installer::systemactions;
37
38#####################################################################
39# Checking whether a file has to be stripped
40#####################################################################
41
42sub is_upx_candidate
43{
44    my ( $filename, $onefile ) = @_;
45
46    my $useupx = 0;
47
48    if (( $filename =~ /\.so\s*$/ ) ||
49        ( $filename =~ /\.dll\s*$/ ) ||
50        ( $filename =~ /\.exe\s*$/ ) ||
51        ( $filename =~ /\.bin\s*$/ ))
52    {
53        my $styles = "";
54        if ( $onefile->{'Styles'} ) { $styles = $onefile->{'Styles'}; }
55        if ( ! ( $styles =~ /\bDONT_UPX\b/ )) { $useupx = 1; }
56    }
57
58    return $useupx;
59}
60
61#####################################################################
62# Checking whether a file has to be stripped
63#####################################################################
64
65sub do_upx
66{
67    my ( $filename ) = @_;
68
69    my $compression = "9";
70    my $systemcall = $installer::globals::upxfile . " -" . $compression . " " . $filename;
71
72    my $returnvalue = system($systemcall);
73
74    my $infoline = "Systemcall: $systemcall\n";
75    push( @installer::globals::logfileinfo, $infoline);
76
77    if ($returnvalue)
78    {
79        $infoline = "WARNING: Could not successfully upx $filename! Using original file.\n";
80        push( @installer::globals::logfileinfo, $infoline);
81    }
82    else
83    {
84        $infoline = "SUCCESS: upx $filename!\n";
85        push( @installer::globals::logfileinfo, $infoline);
86    }
87
88    return $returnvalue;
89}
90
91#####################################################################
92# Using upx to decrease file size
93#####################################################################
94
95sub upx_on_libraries
96{
97    my ( $filelist, $languagestringref) = @_;
98
99    installer::logger::include_header_into_logfile("UPX'ing files:");
100    my $infoline = "";
101
102    if ( ! $installer::globals::upx_in_path )
103    {
104        $infoline = "\n\nWarning: This is an UPX product, but upx was not found in PATH!\n\n";
105        push( @installer::globals::logfileinfo, $infoline);
106    }
107    else
108    {
109        $infoline = "Using upx: $installer::globals::upxfile\n";
110        push( @installer::globals::logfileinfo, $infoline);
111
112        my $upxdirbase = installer::systemactions::create_directories("upx", $languagestringref);
113
114        if (! installer::existence::exists_in_array($upxdirbase, \@installer::globals::removedirs))
115        {
116            push(@installer::globals::removedirs, $upxdirbase);
117        }
118
119        for ( my $i = 0; $i <= $#{$filelist}; $i++ )
120        {
121            my $sourcefilename = ${$filelist}[$i]->{'sourcepath'};
122
123            if ( is_upx_candidate($sourcefilename, ${$filelist}[$i]) )
124            {
125                my $shortfilename = $sourcefilename;
126                installer::pathanalyzer::make_absolute_filename_to_relative_filename(\$shortfilename);
127
128                $infoline = "\nUpx: $shortfilename";
129                push( @installer::globals::logfileinfo, $infoline);
130
131                # copy file into directory for stripped libraries
132                my $onelanguage = ${$filelist}[$i]->{'specificlanguage'};
133
134                # files without language into directory "00"
135                if ($onelanguage eq "") { $onelanguage = "00"; }
136
137                my $upxdir = $upxdirbase . $installer::globals::separator . $onelanguage;
138                installer::systemactions::create_directory($upxdir);    # creating language specific subdirectories
139
140                my $destfilename = $upxdir . $installer::globals::separator . $shortfilename;
141                installer::systemactions::copy_one_file($sourcefilename, $destfilename);
142
143                # change sourcepath in files collector
144                ${$filelist}[$i]->{'sourcepath'} = $destfilename;
145
146                # do upx on file
147                my $return = do_upx($destfilename);
148
149                # Using original file, if upx was not successful (no reason for error)
150                if ( $return ) { ${$filelist}[$i]->{'sourcepath'} = $sourcefilename; }
151            }
152        }
153    }
154}
155
1561;
157