Assar Westerlund
aad564d1c2
openssl's libcrypto or krb4's libdes that has all the required functionality (md4, md5, sha1, des, rc4). if there is no such library, the included lib/des is built. git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10519 ec53bebd-3082-4978-b11e-865c3cabbd6b
115 lines
2.4 KiB
Plaintext
115 lines
2.4 KiB
Plaintext
dnl $Id$
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dnl
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dnl test for crypto libraries:
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dnl - libcrypto (from openssl)
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dnl - libdes (from krb4)
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dnl - own-built libdes
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AC_DEFUN([KRB_CRYPTO],[
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crypto_lib=unknown
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AC_ARG_WITH(openssl,
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[ --with-openssl=dir if you want to use openssl's libcrypto in dir])
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DIR_des=
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AC_MSG_CHECKING([for crypto library])
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if test "$crypto_lib" = "unknown" -a "$with_openssl" != "no"; then
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save_CPPFLAGS="$CPPFLAGS"
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save_LIBS="$LIBS"
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INCLUDE_des=
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LIB_des=
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if test "$with_openssl" != ""; then
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INCLUDE_des="-I${with_openssl}/include"
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CPPFLAGS="${INCLUDE_des} ${CPPFLAGS}"
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LIB_des="-L${with_openssl}/lib"
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fi
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LIB_des_a="$LIB_des"
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LIB_des_so="$LIB_des"
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LIB_des_appl="$LIB_des"
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LIBS="${LIBS} ${LIB_des}"
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AC_TRY_LINK([
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#include <openssl/md4.h>
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#include <openssl/md5.h>
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#include <openssl/sha.h>
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#include <openssl/des.h>
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#include <openssl/rc4.h>
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],
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[
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MD4_CTX md4;
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MD5_CTX md5;
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SHA1_CTX sha1;
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MD4_Init(&md4);
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MD5_Init(&md5);
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SHA1_Init(&sha1);
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des_cbc_encrypt(NULL, NULL, 0, NULL, NULL, 0);
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RC4(NULL, 0, NULL, NULL);
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], [
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crypto_lib=libcrypto
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AC_DEFINE([HAVE_OPENSSL], 1, [define to use openssl's libcrypto])
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AC_MSG_RESULT([libcrypto])])
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CPPFLAGS="$save_CPPFLAGS"
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LIBS="$save_LIBS"
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fi
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if test "$crypto_lib" = "unknown" -a "$with_krb4" != "no"; then
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save_CPPFLAGS="$CPPFLAGS"
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save_LIBS="$LIBS"
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INCLUDE_des="${INCLUDE_krb4}"
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LIB_des=
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if test "$krb4_libdir"; then
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LIB_des="-L${krb4_libdir}"
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fi
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CPPFLAGS="${CPPFLAGS} ${INCLUDE_des}"
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LIBS="${LIBS} ${LIB_des}"
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LIB_des_a="$LIB_des"
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LIB_des_so="$LIB_des"
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LIB_des_appl="$LIB_des"
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LIBS="${LIBS} ${LIB_des}"
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AC_TRY_LINK([
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#undef KRB5 /* makes md4.h et al unhappy */
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#define KRB4
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#include <md4.h>
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#include <md5.h>
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#include <sha.h>
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#include <des.h>
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#include <rc4.h>
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],
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[
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MD4_CTX md4;
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MD5_CTX md5;
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SHA1_CTX sha1;
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MD4_Init(&md4);
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MD5_Init(&md5);
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SHA1_Init(&sha1);
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des_cbc_encrypt(NULL, NULL, 0, NULL, NULL, 0);
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RC4(NULL, 0, NULL, NULL);
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], [crypto_lib=krb4; AC_MSG_RESULT([krb4's libdes])])
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fi
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if test "$crypto_lib" = "unknown"; then
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DIR_des='des'
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LIB_des='$(top_builddir)/lib/des/libdes.la'
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LIB_des_a='$(top_builddir)/lib/des/.libs/libdes.a'
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LIB_des_so='$(top_builddir)/lib/des/.libs/libdes.so'
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LIB_des_appl="-ldes"
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AC_MSG_RESULT([included libdes])
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fi
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AC_SUBST(DIR_des)
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AC_SUBST(LIB_des)
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AC_SUBST(LIB_des_a)
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AC_SUBST(LIB_des_so)
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AC_SUBST(LIB_des_appl)
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])
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