tools/linux.x86_64.prep.sh

   1 #!/bin/bash
   2 PATH=/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin
   3
   4 umask=077
   5 d=${TMPDIR:-/tmp}/nacl64.$$
   6 if ! mkdir "$d" > /dev/null 2>&1
   7 then
   8   cat >&2 << EOF
   9 Could not create safe temporary directory "$d".
  10
  11 ABORTING.
  12 EOF
  13   exit 1
  14 fi
  15 f="$d/x.c"
  16 fout="$d/x"
  17 trap 'rm -fr "$d"; exit' 0 1 2 3 15
  18
  19 function isRunningAsRoot() {
  20   whoami | grep -q 'root'
  21 }
  22
  23 function try() {
  24   cat > "$f" << EOF
  25 #include <openssl/aes.h>
  26 int main(void) {
  27   AES_KEY       k;
  28   char          key[AES_BLOCK_SIZE];
  29
  30   AES_set_encrypt_key(key, AES_BLOCK_SIZE * 8, &k);
  31   return 0;
  32 }
  33 EOF
  34   if ! gcc -o "$fout" "$f" -lssl -lcrypto > /dev/null 2>&1
  35   then
  36     return 1
  37   fi
  38   return 0
  39 }
  40
  41 function ensure_installed {
  42   if ! [ -e "$1" ]
  43   then
  44     cat >&2 << EOF
  45 ... you do not have $2.  Installing...
  46 EOF
  47     if apt-get -y install "$2" > /dev/null 2>&1
  48     then
  49       echo "... done" >&2
  50     else
  51       cat >&2 <<EOF
  52 ... failed to install $2.
  53
  54 ABORTING
  55 EOF
  56       exit 1
  57     fi
  58   fi
  59 }
  60
  61 if ! isRunningAsRoot
  62 then
  63   cat >&2 << \EOF
  64 Not running as root, so cannot install libraries/links.
  65 Note: you probably will need to copy this script to the local file system
  66 (and off of NFS) in order to run this script as root.
  67
  68 ABORTING.
  69 EOF
  70   exit 1
  71 fi
  72
  73 # openssl is required for both 32 and 64-bit systems.
  74 ensure_installed '/usr/include/openssl/aes.h' 'libssl-dev'
  75 # gtk-2.0 is required for both 32 and 64-bit systems
  76 ensure_installed '/usr/include/gtk-2.0/gtk/gtk.h' 'libgtk2.0-dev'
  77
  78 cat > "$f" << \EOF
  79 int main(void) { return sizeof(long) == 8; }
  80 EOF
  81 gcc -o "$fout" "$f" > /dev/null 2>&1
  82
  83 if "$fout"
  84 then
  85   cat << \EOF
  86 You do not appear to be using an x86_64 system.  This rest of this script
  87 is not required.
  88 EOF
  89   exit 0
  90 fi
  91
  92 ensure_installed '/usr/lib32' 'ia32-libs'
  93 ensure_installed '/usr/lib32/libncurses.a' 'lib32ncurses5-dev'
  94
  95 # now check for symlinks
  96
  97 function do_symlink {
  98   declare -a vers
  99
 100   target="/usr/lib32/$1"
 101
 102   if ! [ -f "$target" ]
 103   then
 104     vers=($(echo "$target".*))
 105     if (( ${#vers[@]} != 1 ))
 106     then
 107       cat >&2 << EOF
 108 More than one version of $target.* exists.  This script will
 109 picks the lexicographically greatest one.
 110 EOF
 111       vers=("${vers[${#vers[@]}-1]}")
 112       echo "Using $vers" >&2
 113     fi
 114     cat >&2 <<EOF
 115 Linking $target to $vers
 116 EOF
 117     ln -s "$vers" "$target"
 118   fi
 119 }
 120
 121 declare -a dev_libs
 122 dev_libs=(libatk-1.0.so libgtk-x11-2.0.so libgdk-x11-2.0.so \
 123   libgdk_pixbuf-2.0.so libpangocairo-1.0.so libpango-1.0.so \
 124   libcairo.so libgobject-2.0.so libgmodule-2.0.so libglib-2.0.so \
 125   libXt.so libX11.so)
 126
 127 for lib in "${dev_libs[@]}"
 128 do
 129   do_symlink "$lib"
 130 done
 131
 132 if [ -f /usr/lib32/libcrypto.so -a -f /usr/lib32/libssl.so ] && try
 133 then
 134   echo "You already have /usr/lib32/libcrypto.so and libssl.so"
 135 else
 136
 137 # we omit libssl.so and libcrypto.so from dev_libs so we can ensure
 138 # that ssl_vers is consistent between the two.
 139
 140   declare -a ssl_libs
 141   ssl_libs=($(echo /usr/lib32/libssl.so.*))
 142   if (( ${#ssl_libs[@]} != 1 ))
 143   then
 144     cat >&2 << \EOF
 145 WARNING:  More than one versions of /usr/lib32/libssl.so.*  This script will
 146 pick the lexicographically greatest one.
 147 EOF
 148     ssl_libs=(${ssl_libs[${#ssl_libs[@]}-1]})
 149     echo "Using $ssl_libs" >&2
 150   fi
 151   ssl_lib=${ssl_libs[0]}
 152
 153   ssl_vers=$(expr \( $ssl_lib : '/usr/lib32/libssl\.so\.\(.*\)' \))
 154   case "$ssl_vers" in
 155     ''|'*')
 156       cat >&2 << \EOF
 157 /usr/lib32/libssl.so.SSLVERSION missing.  This should have been installed
 158 as part of the ia32-libs package.
 159
 160 ABORTING.
 161 EOF
 162       exit 1
 163       ;;
 164   esac
 165   if ! [ -f /usr/lib32/libcrypto.so.$ssl_vers ]
 166   then
 167     cat >&2 << EOF
 168 Version mismatch:  /usr/lib32/libssl.so.$ssl_vers exists, but
 169 /usr/lib32/libcrypto.so.$ssl_vers does not!
 170
 171 ABORTING.
 172 EOF
 173     exit 1
 174   fi
 175   echo "SSL version $ssl_vers shared libraries are available"
 176
 177   echo "Attempting to install ia32-libs-dev to get crypto libraries..." >&2
 178   apt-get -y install ia32-libs-dev > /dev/null 2>&1
 179   if [ -f /usr/lib32/libcrypto.so -a -f /usr/lib32/libssl.so ] && try
 180   then
 181     echo "Done."
 182     exit 0
 183   fi
 184   cat >&2 << \EOF
 185 ... failed.
 186
 187 Fallback: attempting to install lib32bz2-dev to get crypto libraries...
 188 EOF
 189   apt-get -y install lib32bz2-dev > /dev/null 2>&1
 190   if [ -f /usr/lib32/libcrypto.so -a -f /usr/lib32/libssl.so ] && try
 191   then
 192     echo "Done."
 193     exit 0
 194   fi
 195   cat >&2 << \EOF
 196 ... failed.
 197
 198 Fallback: installing symlinks manually....
 199 EOF
 200   if ! ln -s libcrypto.so.$ssl_vers /usr/lib32/libcrypto.so
 201   then
 202     cat >&2 << \EOF
 203 ... failed.  Could not make symbolic links in /usr/lib32.
 204
 205 ABORTING.
 206 EOF
 207     exit 1
 208   fi
 209   ln -s libssl.so.$ssl_vers /usr/lib32/libssl.so
 210
 211   if try
 212   then
 213     echo "Success."
 214   else
 215     echo "FAILED." >&2
 216     exit 1
 217   fi
 218 fi
 219