1 | #!/usr/bin/perl -w
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2 | # $Id: x11config15suse.pl 69498 2017-10-28 15:07:25Z vboxsync $
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3 | ## @file
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4 | # Guest Additions X11 config update script
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5 | #
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6 |
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7 | #
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8 | # Copyright (C) 2006-2010 Oracle Corporation
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9 | #
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10 | # This file is part of VirtualBox Open Source Edition (OSE), as
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11 | # available from http://www.virtualbox.org. This file is free software;
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12 | # you can redistribute it and/or modify it under the terms of the GNU
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13 | # General Public License (GPL) as published by the Free Software
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14 | # Foundation, in version 2 as it comes in the "COPYING" file of the
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15 | # VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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16 | # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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17 | #
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18 |
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19 | # Versions of (open)SUSE which ship X.Org Server 1.5 still do not enable
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20 | # mouse autodetection, so on these systems we have to enable vboxmouse in the
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21 | # X.Org configuration file as well as vboxvideo. When uninstalling, we enable
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22 | # the fbdev driver, which SUSE prefers over vesa, and we leave the references
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23 | # to vboxmouse in place, as without the driver they are harmless.
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24 |
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25 | use File::Copy;
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26 |
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27 | # This is the file name for the temporary file we write the new configuration
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28 | # to.
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29 | # @todo: perl must have an API for generating this
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30 | my $temp="/tmp/xorg.conf";
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31 | # The list of possible names of X.org configuration files
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32 | my @cfg_files = ("/etc/X11/xorg.conf-4", "/etc/X11/xorg.conf", "/etc/X11/.xorg.conf", "/etc/xorg.conf",
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33 | "/usr/etc/X11/xorg.conf-4", "/usr/etc/X11/xorg.conf", "/usr/lib/X11/xorg.conf-4",
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34 | "/usr/lib/X11/xorg.conf");
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35 | # File descriptor of the old configuration file
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36 | my $CFG;
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37 | # File descriptor of the temporary file
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38 | my $TMP;
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39 |
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40 | # The name of the mouse driver we are enabling
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41 | my $mousedrv = 'vboxmouse';
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42 | # The name of the video driver we are enabling
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43 | my $videodrv= 'vboxvideo';
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44 |
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45 | # If we are uninstalling, restore the old video driver
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46 | if (@ARGV && "$ARGV[0]" eq 'uninstall')
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47 | {
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48 | $videodrv = 'fbdev' # SUSE prefers this one
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49 | }
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50 |
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51 | # How many different configuration files have we found?
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52 | my $config_count = 0;
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53 |
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54 | # Subroutine to roll back after a partial installation
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55 | sub do_fail {
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56 | foreach $cfg (@cfg_files) {
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57 | move "$cfg.vbox", $cfg;
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58 | unlink "$cfg.vbox";
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59 | }
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60 | die $_[0];
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61 | }
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62 |
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63 | # Perform the substitution on any configuration file we may find.
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64 | foreach $cfg (@cfg_files) {
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65 |
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66 | if (open(CFG, $cfg)) {
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67 | open(TMP, ">$temp")
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68 | or &do_fail("Can't create $TMP: $!\n");
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69 |
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70 | my $have_mouse = 0;
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71 | my $in_section = 0;
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72 | my $in_layout = 0;
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73 |
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74 | # Go through the configuration file line by line
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75 | while (defined ($line = <CFG>)) {
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76 | # Look for the start of sections
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77 | if ($line =~ /^\s*Section\s*"([a-zA-Z]+)"/i) {
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78 | my $section = lc($1);
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79 | # And see if they are device or input device sections
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80 | if (($section eq "inputdevice") || $section eq "device") {
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81 | $in_section = 1;
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82 | }
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83 | # Or server layout sections
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84 | if ($section eq "serverlayout")
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85 | {
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86 | $in_section = 1;
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87 | $in_layout = 1;
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88 | }
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89 | } else {
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90 | if ($line =~ /^\s*EndSection/i && $in_layout) {
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91 | # We always add this to the end of the server layout.
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92 | print TMP " InputDevice \"VBoxMouse\"\n"
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93 | }
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94 | if ($line =~ /^\s*EndSection/i) {
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95 | $in_section = 0;
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96 | $in_layout = 0;
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97 | }
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98 | }
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99 |
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100 | if ($in_section) {
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101 | # Inside sections, look for any graphics drivers and replace
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102 | # them with our one.
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103 | if ($line =~ /^\s*driver\s+\"(fbdev|vga|vesa|vboxvideo|ChangeMe)\"/i) {
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104 | $line =~ s/(fbdev|vga|vesa|vboxvideo|ChangeMe)/$videodrv/i;
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105 | }
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106 | # Also keep track of whether this configuration file contains
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107 | # an input device section for vboxmouse. If it does, we don't
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108 | # need to add one later.
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109 | if ($line =~ /^\s*driver\s+\"(?:vboxmouse)\"/i)
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110 | {
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111 | $have_mouse = 1
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112 | }
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113 |
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114 | # We add vboxmouse to the server layout section ourselves, so
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115 | # remove any existing references to it.
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116 | if ( $line =~ /^\s*inputdevice.*\"vboxmouse\"/i)
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117 | {
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118 | $line = "";
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119 | }
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120 | }
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121 | print TMP $line;
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122 | }
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123 |
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124 | # We always add a vboxmouse section at the end for SUSE guests using
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125 | # X.Org 1.5 if vboxmouse is not referenced anywhere else in the file,
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126 | # and we do not remove it when we uninstall the additions, as it will
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127 | # not do any harm if it is left.
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128 | if (!$have_mouse) {
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129 | print TMP "\n";
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130 | print TMP "Section \"InputDevice\"\n";
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131 | print TMP " Identifier \"VBoxMouse\"\n";
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132 | print TMP " Driver \"$mousedrv\"\n";
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133 | print TMP " Option \"Device\" \"\/dev\/vboxguest\"\n";
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134 | print TMP " Option \"SendCoreEvents\" \"on\"\n";
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135 | print TMP "EndSection\n";
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136 | }
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137 | close(TMP);
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138 |
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139 | # We do not overwrite existing "$cfg.vbox" files in order to keep a
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140 | # record of what the configuration looked like before the very first
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141 | # installation of the additions.
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142 | copy $cfg, "$cfg.bak";
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143 | if (! -e "$cfg.vbox") {
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144 | rename $cfg, "$cfg.vbox";
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145 | }
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146 | copy $temp, $cfg
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147 | or &do_fail("Could not overwrite configuration file $cfg! Exiting...");
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148 | unlink $temp;
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149 |
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150 | $config_count++;
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151 | }
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152 | }
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153 |
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154 | # Warn if we did not find any configuration files
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155 | $config_count != 0 or die "Could not find any X11 configuration files";
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156 |
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