util/shlib_wrap.sh.in

   1 #!/bin/sh
   2
   3 # To test this OpenSSL version's applications against another version's
   4 # shared libraries, simply set
   5 #
   6 #     OPENSSL_REGRESSION=/path/to/other/OpenSSL/build/tree
   7 if [ -n "$OPENSSL_REGRESSION" ]; then
   8     shlibwrap="$OPENSSL_REGRESSION/util/shlib_wrap.sh"
   9     if [ -x "$shlibwrap" ]; then
  10         # We clear OPENSSL_REGRESSION to avoid a loop, should the shlib_wrap.sh
  11         # we exec also support that mechanism...
  12         OPENSSL_REGRESSION= exec "$shlibwrap" "$@"
  13     else
  14         if [ -f "$shlibwrap" ]; then
  15             echo "Not permitted to run $shlibwrap" >&2
  16         else
  17             echo "No $shlibwrap, perhaps OPENSSL_REGRESSION isn't properly set?" >&2
  18         fi
  19         exit 1
  20     fi
  21 fi
  22
  23 [ $# -ne 0 ] || set -x          # debug mode without arguments:-)
  24
  25 THERE="`echo $0 | sed -e 's|[^/]*$||' 2>/dev/null`.."
  26 [ -d "${THERE}" ] || exec "$@"  # should never happen...
  27
  28 # Alternative to this is to parse ${THERE}/Makefile...
  29 LIBCRYPTOSO="${THERE}/libcrypto.so"
  30 if [ -f "$LIBCRYPTOSO" ]; then
  31     while [ -h "$LIBCRYPTOSO" ]; do
  32         LIBCRYPTOSO="${THERE}/`ls -l "$LIBCRYPTOSO" | sed -e 's|.*\-> ||'`"
  33     done
  34     SOSUFFIX=`echo ${LIBCRYPTOSO} | sed -e 's|.*\.so||' 2>/dev/null`
  35     LIBSSLSO="${THERE}/libssl.so${SOSUFFIX}"
  36 fi
  37
  38 SYSNAME=`(uname -s) 2>/dev/null`;
  39 case "$SYSNAME" in
  40 SunOS|IRIX*)
  41         # SunOS and IRIX run-time linkers evaluate alternative
  42         # variables depending on target ABI...
  43         rld_var=LD_LIBRARY_PATH
  44         case "`(/usr/bin/file "$LIBCRYPTOSO") 2>/dev/null`" in
  45         *ELF\ 64*SPARC*|*ELF\ 64*AMD64*)
  46                 [ -n "$LD_LIBRARY_PATH_64" ] && rld_var=LD_LIBRARY_PATH_64
  47                 LD_PRELOAD_64="$LIBCRYPTOSO $LIBSSLSO"; export LD_PRELOAD_64
  48                 preload_var=LD_PRELOAD_64
  49                 ;;
  50         *ELF\ 32*SPARC*|*ELF\ 32*80386*)
  51                 # We only need to change LD_PRELOAD_32 and LD_LIBRARY_PATH_32
  52                 # on a multi-arch system.  Otherwise, trust the fallbacks.
  53                 if [ -f /lib/64/ld.so.1 ]; then
  54                     [ -n "$LD_LIBRARY_PATH_32" ] && rld_var=LD_LIBRARY_PATH_32
  55                     LD_PRELOAD_32="$LIBCRYPTOSO $LIBSSLSO"; export LD_PRELOAD_32
  56                     preload_var=LD_PRELOAD_32
  57                 fi
  58                 ;;
  59         # Why are newly built .so's preloaded anyway? Because run-time
  60         # .so lookup path embedded into application takes precedence
  61         # over LD_LIBRARY_PATH and as result application ends up linking
  62         # to previously installed .so's. On IRIX instead of preloading
  63         # newly built .so's we trick run-time linker to fail to find
  64         # the installed .so by setting _RLD_ROOT variable.
  65         *ELF\ 32*MIPS*)
  66                 #_RLD_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLD_LIST
  67                 _RLD_ROOT=/no/such/dir; export _RLD_ROOT
  68                 eval $rld_var=\"/usr/lib'${'$rld_var':+:$'$rld_var'}'\"
  69                 preload_var=_RLD_LIST
  70                 ;;
  71         *ELF\ N32*MIPS*)
  72                 [ -n "$LD_LIBRARYN32_PATH" ] && rld_var=LD_LIBRARYN32_PATH
  73                 #_RLDN32_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLDN32_LIST
  74                 _RLDN32_ROOT=/no/such/dir; export _RLDN32_ROOT
  75                 eval $rld_var=\"/usr/lib32'${'$rld_var':+:$'$rld_var'}'\"
  76                 preload_var=_RLDN32_LIST
  77                 ;;
  78         *ELF\ 64*MIPS*)
  79                 [ -n "$LD_LIBRARY64_PATH"  ] && rld_var=LD_LIBRARY64_PATH
  80                 #_RLD64_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLD64_LIST
  81                 _RLD64_ROOT=/no/such/dir; export _RLD64_ROOT
  82                 eval $rld_var=\"/usr/lib64'${'$rld_var':+:$'$rld_var'}'\"
  83                 preload_var=_RLD64_LIST
  84                 ;;
  85         esac
  86         eval $rld_var=\"${THERE}'${'$rld_var':+:$'$rld_var'}'\"; export $rld_var
  87         unset rld_var
  88         ;;
  89 *)      LD_LIBRARY_PATH="${THERE}:$LD_LIBRARY_PATH"     # Linux, ELF HP-UX
  90         DYLD_LIBRARY_PATH="${THERE}:$DYLD_LIBRARY_PATH" # MacOS X
  91         SHLIB_PATH="${THERE}:$SHLIB_PATH"               # legacy HP-UX
  92         LIBPATH="${THERE}:$LIBPATH"                     # AIX, OS/2
  93         export LD_LIBRARY_PATH DYLD_LIBRARY_PATH SHLIB_PATH LIBPATH
  94         # Even though $PATH is adjusted [for Windows sake], it doesn't
  95         # necessarily does the trick. Trouble is that with introduction
  96         # of SafeDllSearchMode in XP/2003 it's more appropriate to copy
  97         # .DLLs in vicinity of executable, which is done elsewhere...
  98         if [ "$OSTYPE" != msdosdjgpp ]; then
  99                 PATH="${THERE}:$PATH"; export PATH
 100         fi
 101         ;;
 102 esac
 103
 104 {- output_off() unless grep (/-rpath\b/, @{$config{LDFLAGS}}); ""; -}
 105 if [ -f "$LIBCRYPTOSO" -a -z "$preload_var" ]; then
 106         # Following three lines are major excuse for isolating them into
 107         # this wrapper script. Original reason for setting LD_PRELOAD
 108         # was to make it possible to pass 'make test' when user linked
 109         # with -rpath pointing to previous version installation. Wrapping
 110         # it into a script makes it possible to do so on multi-ABI
 111         # platforms.
 112         case "$SYSNAME" in
 113         *BSD)   LD_PRELOAD="$LIBCRYPTOSO:$LIBSSLSO" ;;  # *BSD
 114         *)      LD_PRELOAD="$LIBCRYPTOSO $LIBSSLSO" ;;  # SunOS, Linux, ELF HP-UX
 115         esac
 116         _RLD_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"      # Tru64, o32 IRIX
 117         DYLD_INSERT_LIBRARIES="$LIBCRYPTOSO:$LIBSSLSO"  # MacOS X
 118         export LD_PRELOAD _RLD_LIST DYLD_INSERT_LIBRARIES
 119 fi
 120 {- output_on() unless grep (/-rpath\b/, @{$config{LDFLAGS}}); ""; -}
 121
 122 cmd="$1"; [ -x "$cmd" ] || cmd="$cmd${EXE_EXT}"
 123 shift
 124 if [ $# -eq 0 ]; then
 125         exec "$cmd"     # old sh, such as Tru64 4.x, fails to expand empty "$@"
 126 else
 127         exec "$cmd" "$@"
 128 fi