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 if ! [ -f /usr/include/openssl/aes.h ]
  42 then
  43   cat >&2 << \EOF
  44 libssl-dev not installed.  Installing...
  45 EOF
  46   if apt-get install libssl-dev
  47   then
  48     echo "Success." >&2
  49   else
  50     cat >&2 << \EOF
  51 ... could not install libssl-dev.
  52
  53 ABORTING.
  54 EOF
  55     exit 1
  56   fi
  57 fi
  58
  59 cat > "$f" << \EOF
  60 int main(void) { return sizeof(long) == 8; }
  61 EOF
  62 gcc -o "$fout" "$f" > /dev/null 2>&1
  63
  64 if "$fout"
  65 then
  66   cat << \EOF
  67 You do not appear to be using an x86_64 system.  This rest of this script
  68 is not required.
  69 EOF
  70   exit 0
  71 fi
  72
  73 if ! isRunningAsRoot
  74 then
  75   cat >&2 << \EOF
  76 Not running as root, so cannot install libraries/links.
  77 Note: you probably will need to copy this script to the local file system
  78 (and off of NFS) in order to run this script as root.
  79
  80 ABORTING.
  81 EOF
  82   exit 1
  83 fi
  84
  85 if ! [ -d /usr/lib32 ]
  86 then
  87   cat >&2 << \EOF
  88 ... you do not have /usr/lib32 at all!
  89
  90 First, must install ia32-libs...
  91 EOF
  92   if apt-get install ia32-libs > /dev/null 2>&1
  93   then
  94     echo "... done" >&2
  95   else
  96     cat >&2 << \EOF
  97 ... failed to install ia32-libs.
  98
  99 ABORTING.
 100 EOF
 101     exit 1
 102   fi
 103 fi
 104
 105 declare -a x11_libs
 106
 107 if ! [ -f /usr/lib32/libX11.so ]
 108 then
 109   x11_libs=($(echo /usr/lib32/libX11.so.*))
 110   if (( ${#x11_libs[@]} != 1 ))
 111   then
 112     cat >&2 << \EOF
 113 More than one version of /usr/lib32/libX11.so.* exists.  This script will
 114 picks the lexicographically greatest one.
 115 EOF
 116     x11_libs=(${x11_libs[${#x11_libs[@]}-1]})
 117     echo "Using $x11_libs" >&2
 118   fi
 119   cat >&2 <<EOF
 120 Linking /usr/lib32/libX11.so to $x11_libs
 121 EOF
 122   ln -s $x11_libs /usr/lib32/libX11.so
 123 fi
 124
 125 if [ -f /usr/lib32/libcrypto.so -a -f /usr/lib32/libssl.so ] && try
 126 then
 127   echo "You already have /usr/lib32/libcrypto.so and libssl.so"
 128   exit 0
 129 fi
 130
 131 declare -a ssl_libs
 132 ssl_libs=($(echo /usr/lib32/libssl.so.*))
 133 if (( ${#ssl_libs[@]} != 1 ))
 134 then
 135   cat >&2 << \EOF
 136 WARNING:  More than one versions of /usr/lib32/libssl.so.*  This script will
 137 pick the lexicographically greatest one.
 138 EOF
 139   ssl_libs=(${ssl_libs[${#ssl_libs[@]}-1]})
 140   echo "Using $ssl_libs" >&2
 141 fi
 142 ssl_lib=${ssl_libs[0]}
 143
 144 ssl_vers=$(expr \( $ssl_lib : '/usr/lib32/libssl\.so\.\(.*\)' \))
 145 case "$ssl_vers" in
 146 ''|'*')
 147         cat >&2 << \EOF
 148 /usr/lib32/libssl.so.SSLVERSION missing.  This should have been installed
 149 as part of the ia32-libs package.
 150
 151 ABORTING.
 152 EOF
 153         exit 1
 154         ;;
 155 esac
 156 if ! [ -f /usr/lib32/libcrypto.so.$ssl_vers ]
 157 then
 158         cat >&2 << EOF
 159 Version mismatch:  /usr/lib32/libssl.so.$ssl_vers exists, but
 160 /usr/lib32/libcrypto.so.$ssl_vers does not!
 161
 162 ABORTING.
 163 EOF
 164         exit 1
 165 fi
 166 echo "SSL version $ssl_vers shared libraries are available"
 167
 168 echo "Attempting to install ia32-libs-dev to get crypto libraries..." >&2
 169 apt-get install ia32-libs-dev > /dev/null 2>&1
 170 if [ -f /usr/lib32/libcrypto.so -a -f /usr/lib32/libssl.so ] && try
 171 then
 172         echo "Done."
 173         exit 0
 174 fi
 175 cat >&2 << \EOF
 176 ... failed.
 177
 178 Attempting to install lib32bz2-dev to get crypto libraries...
 179 EOF
 180 apt-get install lib32bz2-dev > /dev/null 2>&1
 181 if [ -f /usr/lib32/libcrypto.so -a -f /usr/lib32/libssl.so ] && try
 182 then
 183         echo "Done."
 184         exit 0
 185 fi
 186 cat >&2 << \EOF
 187 ... failed.
 188
 189 Falling back to installing symlinks manually....
 190 EOF
 191 if ! ln -s libcrypto.so.$ssl_vers /usr/lib32/libcrypto.so
 192 then
 193         cat >&2 << \EOF
 194 ... failed.  Could not make symbolic links in /usr/lib32.
 195
 196 ABORTING.
 197 EOF
 198         exit 1
 199 fi
 200 ln -s libssl.so.$ssl_vers /usr/lib32/libssl.so
 201 if try
 202 then
 203         echo "Success."
 204 else
 205         echo "FAILED." >&2
 206         exit 1
 207 fi