util/shlib_wrap.sh

   1 #!/bin/sh
   2
   3 [ $# -ne 0 ] || set -x          # debug mode without arguments:-)
   4
   5 THERE="`echo $0 | sed -e 's|[^/]*$||' 2>/dev/null`.."
   6 [ -d "${THERE}" ] || exec "$@"  # should never happen...
   7
   8 # Alternative to this is to parse ${THERE}/Makefile...
   9 LIBCRYPTOSO="${THERE}/libcrypto.so"
  10 if [ -f "$LIBCRYPTOSO" ]; then
  11     while [ -h "$LIBCRYPTOSO" ]; do
  12         LIBCRYPTOSO="${THERE}/`ls -l "$LIBCRYPTOSO" | sed -e 's|.*\-> ||'`"
  13     done
  14     SOSUFFIX=`echo ${LIBCRYPTOSO} | sed -e 's|.*\.so||' 2>/dev/null`
  15     LIBSSLSO="${THERE}/libssl.so${SOSUFFIX}"
  16 fi
  17
  18 SYSNAME=`(uname -s) 2>/dev/null`;
  19 case "$SYSNAME" in
  20 SunOS|IRIX*)
  21         # SunOS and IRIX run-time linkers evaluate alternative
  22         # variables depending on target ABI...
  23         rld_var=LD_LIBRARY_PATH
  24         case "`(/usr/bin/file "$LIBCRYPTOSO") 2>/dev/null`" in
  25         *ELF\ 64*SPARC*|*ELF\ 64*AMD64*)
  26                 [ -n "$LD_LIBRARY_PATH_64" ] && rld_var=LD_LIBRARY_PATH_64
  27                 LD_PRELOAD_64="$LIBCRYPTOSO $LIBSSLSO"; export LD_PRELOAD_64
  28                 preload_var=LD_PRELOAD_64
  29                 ;;
  30         *ELF\ 32*MIPS*)
  31                 #_RLD_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLD_LIST
  32                 _RLD_ROOT=/no/such/dir; export _RLD_ROOT
  33                 eval $rld_var=\"/usr/lib'${'$rld_var':+:$'$rld_var'}'\"
  34                 preload_var=_RLD_LIST
  35                 ;;
  36         *ELF\ N32*MIPS*)
  37                 [ -n "$LD_LIBRARYN32_PATH" ] && rld_var=LD_LIBRARYN32_PATH
  38                 #_RLDN32_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLDN32_LIST
  39                 _RLDN32_ROOT=/no/such/dir; export _RLDN32_ROOT
  40                 eval $rld_var=\"/usr/lib32'${'$rld_var':+:$'$rld_var'}'\"
  41                 preload_var=_RLDN32_LIST
  42                 ;;
  43         *ELF\ 64*MIPS*)
  44                 [ -n "$LD_LIBRARY64_PATH"  ] && rld_var=LD_LIBRARY64_PATH
  45                 #_RLD64_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLD64_LIST
  46                 _RLD64_ROOT=/no/such/dir; export _RLD64_ROOT
  47                 eval $rld_var=\"/usr/lib64'${'$rld_var':+:$'$rld_var'}'\"
  48                 preload_var=_RLD64_LIST
  49                 ;;
  50         esac
  51         eval $rld_var=\"${THERE}'${'$rld_var':+:$'$rld_var'}'\"; export $rld_var
  52         unset rld_var
  53         ;;
  54 *)      LD_LIBRARY_PATH="${THERE}:$LD_LIBRARY_PATH"     # Linux, ELF HP-UX
  55         DYLD_LIBRARY_PATH="${THERE}:$DYLD_LIBRARY_PATH" # MacOS X
  56         SHLIB_PATH="${THERE}:$SHLIB_PATH"               # legacy HP-UX
  57         LIBPATH="${THERE}:$LIBPATH"                     # AIX, OS/2
  58         export LD_LIBRARY_PATH DYLD_LIBRARY_PATH SHLIB_PATH LIBPATH
  59         # Even though $PATH is adjusted [for Windows sake], it doesn't
  60         # necessarily does the trick. Trouble is that with introduction
  61         # of SafeDllSearchMode in XP/2003 it's more appropriate to copy
  62         # .DLLs in vicinity of executable, which is done elsewhere...
  63         if [ "$OSTYPE" != msdosdjgpp ]; then
  64                 PATH="${THERE}:$PATH"; export PATH
  65         fi
  66         ;;
  67 esac
  68
  69 if [ -f "$LIBCRYPTOSO" -a -z "$preload_var" ]; then
  70         # Following three lines are major excuse for isolating them into
  71         # this wrapper script. Original reason for setting LD_PRELOAD
  72         # was to make it possible to pass 'make test' when user linked
  73         # with -rpath pointing to previous version installation. Wrapping
  74         # it into a script makes it possible to do so on multi-ABI
  75         # platforms.
  76         case "$SYSNAME" in
  77         *BSD)   LD_PRELOAD="$LIBCRYPTOSO:$LIBSSLSO" ;;  # *BSD
  78         *)      LD_PRELOAD="$LIBCRYPTOSO $LIBSSLSO" ;;  # SunOS, Linux, ELF HP-UX
  79         esac
  80         _RLD_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"      # Tru64, o32 IRIX
  81         DYLD_INSERT_LIBRARIES="$LIBCRYPTOSO:$LIBSSLSO"  # MacOS X
  82         export LD_PRELOAD _RLD_LIST DYLD_INSERT_LIBRARIES
  83 fi
  84
  85 exec "$@"