xref: /freebsd/crypto/openssl/util/shlib_wrap.sh (revision 24e4dcf4ba5e9dedcf89efd358ea3e1fe5867020)
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
7if [ -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
21fi
22
23[ $# -ne 0 ] || set -x		# debug mode without arguments:-)
24
25THERE="`echo $0 | sed -e 's|[^/]*$||' 2>/dev/null`.."
26[ -d "${THERE}" ] || exec "$@"	# should never happen...
27
28LIBCRYPTOSO="${THERE}/libcrypto.so.3"
29LIBSSLSO="${THERE}/libssl.so.3"
30
31SYSNAME=`(uname -s) 2>/dev/null`;
32case "$SYSNAME" in
33SunOS|IRIX*)
34	# SunOS and IRIX run-time linkers evaluate alternative
35	# variables depending on target ABI...
36	rld_var=LD_LIBRARY_PATH
37	case "`(/usr/bin/file "$LIBCRYPTOSO") 2>/dev/null`" in
38	*ELF\ 64*SPARC*|*ELF\ 64*AMD64*)
39		[ -n "$LD_LIBRARY_PATH_64" ] && rld_var=LD_LIBRARY_PATH_64
40		LD_PRELOAD_64="$LIBCRYPTOSO $LIBSSLSO"; export LD_PRELOAD_64
41		preload_var=LD_PRELOAD_64
42		;;
43	*ELF\ 32*SPARC*|*ELF\ 32*80386*)
44		# We only need to change LD_PRELOAD_32 and LD_LIBRARY_PATH_32
45		# on a multi-arch system.  Otherwise, trust the fallbacks.
46		if [ -f /lib/64/ld.so.1 ]; then
47		    [ -n "$LD_LIBRARY_PATH_32" ] && rld_var=LD_LIBRARY_PATH_32
48		    LD_PRELOAD_32="$LIBCRYPTOSO $LIBSSLSO"; export LD_PRELOAD_32
49		    preload_var=LD_PRELOAD_32
50		fi
51		;;
52	# Why are newly built .so's preloaded anyway? Because run-time
53	# .so lookup path embedded into application takes precedence
54	# over LD_LIBRARY_PATH and as result application ends up linking
55	# to previously installed .so's. On IRIX instead of preloading
56	# newly built .so's we trick run-time linker to fail to find
57	# the installed .so by setting _RLD_ROOT variable.
58	*ELF\ 32*MIPS*)
59		#_RLD_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLD_LIST
60		_RLD_ROOT=/no/such/dir; export _RLD_ROOT
61		eval $rld_var=\"/usr/lib'${'$rld_var':+:$'$rld_var'}'\"
62		preload_var=_RLD_LIST
63		;;
64	*ELF\ N32*MIPS*)
65		[ -n "$LD_LIBRARYN32_PATH" ] && rld_var=LD_LIBRARYN32_PATH
66		#_RLDN32_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLDN32_LIST
67		_RLDN32_ROOT=/no/such/dir; export _RLDN32_ROOT
68		eval $rld_var=\"/usr/lib32'${'$rld_var':+:$'$rld_var'}'\"
69		preload_var=_RLDN32_LIST
70		;;
71	*ELF\ 64*MIPS*)
72		[ -n "$LD_LIBRARY64_PATH"  ] && rld_var=LD_LIBRARY64_PATH
73		#_RLD64_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLD64_LIST
74		_RLD64_ROOT=/no/such/dir; export _RLD64_ROOT
75		eval $rld_var=\"/usr/lib64'${'$rld_var':+:$'$rld_var'}'\"
76		preload_var=_RLD64_LIST
77		;;
78	esac
79	eval $rld_var=\"${THERE}'${'$rld_var':+:$'$rld_var'}'\"; export $rld_var
80	unset rld_var
81	;;
82NONSTOP_KERNEL)
83	# HPE NonStop has a proprietary mechanism for specifying
84	# the location of DLLs. It does not use PATH or variables
85	# commonly used on other platforms. The platform has a limited
86	# environment space keeping extraneous variables to a minimum
87	# is recommended.
88	_RLD_LIB_PATH="${THERE}:$LD_LIBRARY_PATH"
89	export _RLD_LIB_PATH
90	;;
91*)	LD_LIBRARY_PATH="${THERE}:$LD_LIBRARY_PATH"	# Linux, ELF HP-UX
92	DYLD_LIBRARY_PATH="${THERE}:$DYLD_LIBRARY_PATH"	# MacOS X
93	SHLIB_PATH="${THERE}:$SHLIB_PATH"		# legacy HP-UX
94	LIBPATH="${THERE}:$LIBPATH"			# AIX, OS/2
95	export LD_LIBRARY_PATH DYLD_LIBRARY_PATH SHLIB_PATH LIBPATH
96	# Even though $PATH is adjusted [for Windows sake], it doesn't
97	# necessarily does the trick. Trouble is that with introduction
98	# of SafeDllSearchMode in XP/2003 it's more appropriate to copy
99	# .DLLs in vicinity of executable, which is done elsewhere...
100	if [ "$OSTYPE" != msdosdjgpp ]; then
101		PATH="${THERE}:$PATH"; export PATH
102	fi
103	;;
104esac
105
106
107
108cmd="$1"; [ -x "$cmd" ] || cmd="$cmd${EXE_EXT}"
109shift
110if [ $# -eq 0 ]; then
111	exec "$cmd"	# old sh, such as Tru64 4.x, fails to expand empty "$@"
112else
113	exec "$cmd" "$@"
114fi
115