browser-plugins-update.sh

   1 #!/bin/sh
   2 # Author: Elan Ruusamäe <glen@pld-linux.org>
   3 # Date: 2006-09-13
   4 # See more browser-plugins.README
   5
   6 # TODO
   7 # - implement blacklist.d/anyfile-browser.arch.blacklist support
   8 # - check not to link amd64 plugins to opera.i386 dir
   9
  10 sysconfdir='/etc/browser-plugins'
  11 browsersdir="$sysconfdir/browsers.d"
  12 blacklistdir="$sysconfdir/blacklist.d"
  13 plugindirs='/usr/lib/browser-plugins /usr/lib64/browser-plugins'
  14
  15 # bool in_blacklist(char *blacklistfile, char *pluginfile)
  16 # returns true if pluginfile is listed in blacklistfile
  17 in_blacklist() {
  18         local blacklistfile="$1"
  19         local pluginfile="$2"
  20         while read glob; do
  21                 if [[ "$glob" = \#* ]] || [[ "$glob" = "" ]]; then
  22                         continue
  23                 fi
  24                 if [[ "$pluginfile" = $glob ]]; then
  25                         echo >&3 "  $pluginfile blacklisted with $glob ($blacklistfile)"
  26                         return 0
  27                 fi
  28         done < $blacklistfile
  29
  30         return 1
  31 }
  32
  33 # bool blacklisted(char *browser, char *pluginfile)
  34 # returns true if pluginfile is blacklisted for browser
  35 blacklisted() {
  36         local browser="$1"
  37         local pluginfile="$2"
  38         # check browser blacklist file
  39         if [ -f "$blacklistdir/$browser.blacklist" ]; then
  40                 if in_blacklist "$blacklistdir/$browser.blacklist" "$pluginfile"; then
  41                         return 0
  42                 fi
  43         fi
  44         # retrun true for now
  45         return 1
  46 }
  47
  48 # char **get_browsers(void)
  49 # returns list of installed browsers
  50 get_browsers() {
  51         for dir in "$browsersdir"/*.*; do
  52                 if [ -L "$dir" ]; then
  53                         dir="${dir#$browsersdir/}"
  54                         browsers="$browsers $dir"
  55                 fi
  56         done
  57
  58         echo >&3 "browsers: $browsers"
  59 }
  60
  61 # char *browserplugindir(char *)
  62 # returns plugin directory for browser
  63 browserplugindir() {
  64         local browser="$1"
  65         readlink "$browsersdir/$browser"
  66 }
  67
  68 remove_plugins() {
  69         # kill dead links
  70         for browser in $browsers; do
  71                 find $(browserplugindir "$browser") -type l | while read link; do
  72                         [ -f "$link" ] || rm -f "$link"
  73                 done
  74         done
  75 }
  76
  77 install_plugins() {
  78         # link new plugins
  79         for plugindir in $plugindirs; do
  80                 # skip non-existing plugindirs
  81                 [ -d "$plugindir" ] || continue
  82
  83                 cd "$plugindir"
  84                 find -type f | while read line; do
  85                         pluginfile="${line#./}"
  86                         echo >&3 "pluginfile: $pluginfile"
  87                         for browser in $browsers; do
  88                                 echo >&3 " check $pluginfile for $browser"
  89                                 browserplugindir=$(browserplugindir "$browser")
  90                                 link="$browserplugindir/$pluginfile"
  91                                 if blacklisted "$browser" "$pluginfile"; then
  92                                         # just in case unlink it
  93                                         if [ -f "$link" ]; then
  94                                                 echo "Removing $pluginfile from $browserplugindir"
  95                                                 rm -f "$link"
  96                                         fi
  97                                 else
  98                                         # skip existing links
  99                                         [ ! -L $link ] || continue
 100                                         echo "Installing $pluginfile to $browserplugindir"
 101                                         ln -s "$plugindir/$pluginfile" "$link"
 102                                 fi
 103                         done
 104                 done
 105         done
 106 }
 107
 108 if [[ "$*" = *debug* ]]; then
 109         exec 3>&2
 110 else
 111         exec 3>/dev/null
 112 fi
 113
 114 get_browsers
 115
 116 remove_plugins
 117 install_plugins