186 lines
4.3 KiB
Plaintext
186 lines
4.3 KiB
Plaintext
dnl $Id: crypto.m4,v 1.16.2.1 2003/05/05 20:08:32 joda Exp $
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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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m4_define([test_headers], [
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#undef KRB5 /* makes md4.h et al unhappy */
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#ifdef HAVE_OPENSSL
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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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#define OPENSSL_DES_LIBDES_COMPATIBILITY
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#include <openssl/des.h>
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#include <openssl/rc4.h>
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#include <openssl/rand.h>
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#else
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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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#endif
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#ifdef OLD_HASH_NAMES
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typedef struct md4 MD4_CTX;
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#define MD4_Init(C) md4_init((C))
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#define MD4_Update(C, D, L) md4_update((C), (D), (L))
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#define MD4_Final(D, C) md4_finito((C), (D))
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typedef struct md5 MD5_CTX;
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#define MD5_Init(C) md5_init((C))
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#define MD5_Update(C, D, L) md5_update((C), (D), (L))
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#define MD5_Final(D, C) md5_finito((C), (D))
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typedef struct sha SHA_CTX;
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#define SHA1_Init(C) sha_init((C))
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#define SHA1_Update(C, D, L) sha_update((C), (D), (L))
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#define SHA1_Final(D, C) sha_finito((C), (D))
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#endif
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])
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m4_define([test_body], [
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void *schedule = 0;
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MD4_CTX md4;
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MD5_CTX md5;
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SHA_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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#ifdef HAVE_OPENSSL
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RAND_status();
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#endif
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des_cbc_encrypt(0, 0, 0, schedule, 0, 0);
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RC4(0, 0, 0, 0);])
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AC_DEFUN([KRB_CRYPTO],[
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crypto_lib=unknown
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AC_WITH_ALL([openssl])
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DIR_des=
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AC_MSG_CHECKING([for crypto library])
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openssl=no
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old_hash=no
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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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cdirs= clibs=
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for i in $LIB_krb4; do
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case "$i" in
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-L*) cdirs="$cdirs $i";;
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-l*) clibs="$clibs $i";;
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esac
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done
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ires=
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for i in $INCLUDE_krb4; do
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CFLAGS="-DHAVE_OPENSSL $i $save_CFLAGS"
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for j in $cdirs; do
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for k in $clibs; do
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LIBS="$j $k $save_LIBS"
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AC_TRY_LINK(test_headers, test_body,
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openssl=yes ires="$i" lres="$j $k"; break 3)
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done
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done
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CFLAGS="$i $save_CFLAGS"
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for j in $cdirs; do
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for k in $clibs; do
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LIBS="$j $k $save_LIBS"
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AC_TRY_LINK(test_headers, test_body,
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openssl=no ires="$i" lres="$j $k"; break 3)
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done
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done
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CFLAGS="-DHAVE_OLD_HASH_NAMES $i $save_CFLAGS"
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for j in $cdirs; do
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for k in $clibs; do
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LIBS="$j $k $save_LIBS"
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AC_TRY_LINK(test_headers, test_body,
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openssl=no ires="$i" lres="$j $k"; break 3)
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done
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done
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done
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CFLAGS="$save_CFLAGS"
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LIBS="$save_LIBS"
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if test "$ires" -a "$lres"; then
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INCLUDE_des="$ires"
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LIB_des="$lres"
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crypto_lib=krb4
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AC_MSG_RESULT([same as krb4])
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LIB_des_a='$(LIB_des)'
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LIB_des_so='$(LIB_des)'
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LIB_des_appl='$(LIB_des)'
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fi
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fi
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if test "$crypto_lib" = "unknown" -a "$with_openssl" != "no"; then
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save_CFLAGS="$CFLAGS"
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save_LIBS="$LIBS"
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INCLUDE_des=
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LIB_des=
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if test "$with_openssl_include" != ""; then
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INCLUDE_des="-I${with_openssl_include}"
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fi
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if test "$with_openssl_lib" != ""; then
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LIB_des="-L${with_openssl_lib}"
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fi
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CFLAGS="-DHAVE_OPENSSL ${INCLUDE_des} ${CFLAGS}"
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saved_LIB_des="$LIB_des"
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for lres in "" "-lnsl -lsocket"; do
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LIB_des="${saved_LIB_des} -lcrypto $lres"
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LIB_des_a="$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} ${LIB_des}"
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AC_TRY_LINK(test_headers, test_body, [
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crypto_lib=libcrypto openssl=yes
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AC_MSG_RESULT([libcrypto])
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])
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if test "$crypto_lib" = libcrypto ; then
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break;
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fi
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done
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CFLAGS="$save_CFLAGS"
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LIBS="$save_LIBS"
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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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if test "$with_krb4" != no -a "$crypto_lib" != krb4; then
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AC_MSG_ERROR([the crypto library used by krb4 lacks features
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required by Kerberos 5; to continue, you need to install a newer
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Kerberos 4 or configure --without-krb4])
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fi
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if test "$openssl" = "yes"; then
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AC_DEFINE([HAVE_OPENSSL], 1, [define to use openssl's libcrypto])
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fi
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if test "$old_hash" = yes; then
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AC_DEFINE([HAVE_OLD_HASH_NAMES], 1,
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[define if you have hash functions like md4_finito()])
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fi
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AM_CONDITIONAL(HAVE_OPENSSL, test "$openssl" = yes)dnl
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AC_SUBST(DIR_des)
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AC_SUBST(INCLUDE_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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