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1#!/bin/sh
2#
3# findssl.sh
4# Search for all instances of OpenSSL headers and libraries
5# and print their versions.
6# Intended to help diagnose OpenSSH's "OpenSSL headers do not
7# match your library" errors.
8#
9# Written by Darren Tucker (dtucker at zip dot com dot au)
10# This file is placed in the public domain.
11#
12# $Id: findssl.sh,v 1.1 2003/06/24 10:22:10 dtucker Exp $
13# 2002-07-27: Initial release.
14# 2002-08-04: Added public domain notice.
15# 2003-06-24: Incorporated readme, set library paths. First cvs version.
16#
17# "OpenSSL headers do not match your library" are usually caused by
18# OpenSSH's configure picking up an older version of OpenSSL headers
19# or libraries. You can use the following # procedure to help identify
20# the cause.
21#
22# The output of configure will tell you the versions of the OpenSSL
23# headers and libraries that were picked up, for example:
24#
25# checking OpenSSL header version... 90604f (OpenSSL 0.9.6d 9 May 2002)
26# checking OpenSSL library version... 90602f (OpenSSL 0.9.6b [engine] 9 Jul 2001)
27# checking whether OpenSSL's headers match the library... no
28# configure: error: Your OpenSSL headers do not match your library
29#
30# Now run findssl.sh. This should identify the headers and libraries
31# present and their versions. You should be able to identify the
32# libraries and headers used and adjust your CFLAGS or remove incorrect
33# versions. The output will show OpenSSL's internal version identifier
34# and should look something like:
35
36# $ ./findssl.sh
37# Searching for OpenSSL header files.
38# 0x0090604fL /usr/include/openssl/opensslv.h
39# 0x0090604fL /usr/local/ssl/include/openssl/opensslv.h
40#
41# Searching for OpenSSL shared library files.
42# 0x0090602fL /lib/libcrypto.so.0.9.6b
43# 0x0090602fL /lib/libcrypto.so.2
44# 0x0090581fL /usr/lib/libcrypto.so.0
45# 0x0090602fL /usr/lib/libcrypto.so
46# 0x0090581fL /usr/lib/libcrypto.so.0.9.5a
47# 0x0090600fL /usr/lib/libcrypto.so.0.9.6
48# 0x0090600fL /usr/lib/libcrypto.so.1
49#
50# Searching for OpenSSL static library files.
51# 0x0090602fL /usr/lib/libcrypto.a
52# 0x0090604fL /usr/local/ssl/lib/libcrypto.a
53#
54# In this example, I gave configure no extra flags, so it's picking up
55# the OpenSSL header from /usr/include/openssl (90604f) and the library
56# from /usr/lib/ (90602f).
57
58#
59# Adjust these to suit your compiler.
60# You may also need to set the *LIB*PATH environment variables if
61# DEFAULT_LIBPATH is not correct for your system.
62#
63CC=gcc
64STATIC=-static
65
66#
67# Set up conftest C source
68#
69rm -f findssl.log
70cat >conftest.c <<EOD
71#include <stdio.h>
72int main(){printf("0x%08xL\n", SSLeay());}
73EOD
74
75#
76# Set default library paths if not already set
77#
78DEFAULT_LIBPATH=/usr/lib:/usr/local/lib
79LIBPATH=${LIBPATH:=$DEFAULT_LIBPATH}
80LD_LIBRARY_PATH=${LD_LIBRARY_PATH:=$DEFAULT_LIBPATH}
81LIBRARY_PATH=${LIBRARY_PATH:=$DEFAULT_LIBPATH}
82export LIBPATH LD_LIBRARY_PATH LIBRARY_PATH
83
84#
85# Search for OpenSSL headers and print versions
86#
87echo Searching for OpenSSL header files.
88if [ -x "`which locate`" ]
89then
90 headers=`locate opensslv.h`
91else
92 headers=`find / -name opensslv.h -print 2>/dev/null`
93fi
94
95for header in $headers
96do
97 ver=`awk '/OPENSSL_VERSION_NUMBER/{printf \$3}' $header`
98 echo "$ver $header"
99done
100echo
101
102#
103# Search for shared libraries.
104# Relies on shared libraries looking like "libcrypto.s*"
105#
106echo Searching for OpenSSL shared library files.
107if [ -x "`which locate`" ]
108then
109 libraries=`locate libcrypto.s`
110else
111 libraries=`find / -name 'libcrypto.s*' -print 2>/dev/null`
112fi
113
114for lib in $libraries
115do
116 (echo "Trying libcrypto $lib" >>findssl.log
117 dir=`dirname $lib`
118 LIBPATH="$dir:$LIBPATH"
119 LD_LIBRARY_PATH="$dir:$LIBPATH"
120 LIBRARY_PATH="$dir:$LIBPATH"
121 export LIBPATH LD_LIBRARY_PATH LIBRARY_PATH
122 ${CC} -o conftest conftest.c $lib 2>>findssl.log
123 if [ -x ./conftest ]
124 then
125 ver=`./conftest 2>/dev/null`
126 rm -f ./conftest
127 echo "$ver $lib"
128 fi)
129done
130echo
131
132#
133# Search for static OpenSSL libraries and print versions
134#
135echo Searching for OpenSSL static library files.
136if [ -x "`which locate`" ]
137then
138 libraries=`locate libcrypto.a`
139else
140 libraries=`find / -name libcrypto.a -print 2>/dev/null`
141fi
142
143for lib in $libraries
144do
145 libdir=`dirname $lib`
146 echo "Trying libcrypto $lib" >>findssl.log
147 ${CC} ${STATIC} -o conftest conftest.c -L${libdir} -lcrypto 2>>findssl.log
148 if [ -x ./conftest ]
149 then
150 ver=`./conftest 2>/dev/null`
151 rm -f ./conftest
152 echo "$ver $lib"
153 fi
154done
155
156#
157# Clean up
158#
159rm -f conftest.c