use m4 macros for test cases, also test for older hash names

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11439 ec53bebd-3082-4978-b11e-865c3cabbd6b

cf/crypto.m4

@@ -5,6 +5,50 @@ dnl - libcrypto (from openssl)
 dnl - libdes (from krb4)
 dnl - own-built libdes
 
+m4_define([test_headers], [
+		#undef KRB5 /* makes md4.h et al unhappy */
+		#ifdef HAVE_OPENSSL
+		#include <openssl/md4.h>
+		#include <openssl/md5.h>
+		#include <openssl/sha.h>
+		#include <openssl/des.h>
+		#include <openssl/rc4.h>
+		#else
+		#include <md4.h>
+		#include <md5.h>
+		#include <sha.h>
+		#include <des.h>
+		#include <rc4.h>
+		#endif
+		#ifdef OLD_HASH_NAMES
+		typedef struct md4 MD4_CTX;
+		#define MD4_Init(C) md4_init((C))
+		#define MD4_Update(C, D, L) md4_update((C), (D), (L))
+		#define MD4_Final(D, C) md4_finito((C), (D))
+		typedef struct md5 MD5_CTX;
+		#define MD5_Init(C) md5_init((C))
+		#define MD5_Update(C, D, L) md5_update((C), (D), (L))
+		#define MD5_Final(D, C) md5_finito((C), (D))
+		typedef struct sha SHA_CTX;
+		#define SHA1_Init(C) sha_init((C))
+		#define SHA1_Update(C, D, L) sha_update((C), (D), (L))
+		#define SHA1_Final(D, C) sha_finito((C), (D))
+		#endif
+		])
+m4_define([test_body], [
+		void *schedule = 0;
+		MD4_CTX md4;
+		MD5_CTX md5;
+		SHA_CTX sha1;
+
+		MD4_Init(&md4);
+		MD5_Init(&md5);
+		SHA1_Init(&sha1);
+
+		des_cbc_encrypt(0, 0, 0, schedule, 0, 0);
+		RC4(0, 0, 0, 0);])
+
+
 AC_DEFUN([KRB_CRYPTO],[
 crypto_lib=unknown
 AC_WITH_ALL([openssl])
@@ -14,6 +58,7 @@ DIR_des=
 AC_MSG_CHECKING([for crypto library])
 
 openssl=no
+old_hash=no
 
 if test "$crypto_lib" = "unknown" -a "$with_krb4" != "no"; then
 	save_CPPFLAGS="$CPPFLAGS"
@@ -29,91 +74,22 @@ if test "$crypto_lib" = "unknown" -a "$with_krb4" != "no"; then
 
 	ires=
 	for i in $INCLUDE_krb4; do
+		CFLAGS="-DHAVE_OPENSSL $i $save_CFLAGS"
+		AC_TRY_COMPILE(test_headers, test_body,
+			openssl=yes ires="$i"; break)
 		CFLAGS="$i $save_CFLAGS"
-		AC_TRY_COMPILE([
+		AC_TRY_COMPILE(test_headers, test_body,
-			#undef KRB5 /* makes md4.h et al unhappy */
+			openssl=no ires="$i"; break)
-			#define KRB4
+		CFLAGS="-DOLD_HASH_NAMES $i $save_CFLAGS"
-			#include <openssl/md4.h>
+		AC_TRY_COMPILE(test_headers, test_body,
-			#include <openssl/md5.h>
+			openssl=no ires="$i" old_hash=yes; break)
-			#include <openssl/sha.h>
-			#include <openssl/des.h>
-			#include <openssl/rc4.h>
-			], [
-			MD4_CTX md4;
-			MD5_CTX md5;
-			SHA_CTX sha1;
-
-			MD4_Init(&md4);
-			MD5_Init(&md5);
-			SHA1_Init(&sha1);
-
-			des_cbc_encrypt(0, 0, 0, 0, 0, 0);
-			RC4(0, 0, 0, 0);],openssl=yes ires="$i"; break)
-		AC_TRY_COMPILE([
-			#undef KRB5 /* makes md4.h et al unhappy */
-			#define KRB4
-			#include <md4.h>
-			#include <md5.h>
-			#include <sha.h>
-			#include <des.h>
-			#include <rc4.h>
-			], [
-			MD4_CTX md4;
-			MD5_CTX md5;
-			SHA_CTX sha1;
-
-			MD4_Init(&md4);
-			MD5_Init(&md5);
-			SHA1_Init(&sha1);
-
-			des_cbc_encrypt(0, 0, 0, 0, 0, 0);
-			RC4(0, 0, 0, 0);],ires="$i"; break)
 	done
 	lres=
 	for i in $cdirs; do
 		for j in $clibs; do
 			LIBS="$i $j $save_LIBS"
-			if test "$openssl" = yes; then
+			AC_TRY_LINK(test_headers, test_body,
-			AC_TRY_LINK([
+				lres="$i $j"; break 2)
-				#undef KRB5 /* makes md4.h et al unhappy */
-				#define KRB4
-				#include <openssl/md4.h>
-				#include <openssl/md5.h>
-				#include <openssl/sha.h>
-				#include <openssl/des.h>
-				#include <openssl/rc4.h>
-				], [
-				MD4_CTX md4;
-				MD5_CTX md5;
-				SHA_CTX sha1;
-	
-				MD4_Init(&md4);
-				MD5_Init(&md5);
-				SHA1_Init(&sha1);
-	
-				des_cbc_encrypt(0, 0, 0, 0, 0, 0);
-				RC4(0, 0, 0, 0);],lres="$i $j"; break 2)
-			else
-			AC_TRY_LINK([
-				#undef KRB5 /* makes md4.h et al unhappy */
-				#define KRB4
-				#include <md4.h>
-				#include <md5.h>
-				#include <sha.h>
-				#include <des.h>
-				#include <rc4.h>
-				], [
-				MD4_CTX md4;
-				MD5_CTX md5;
-				SHA_CTX sha1;
-	
-				MD4_Init(&md4);
-				MD5_Init(&md5);
-				SHA1_Init(&sha1);
-	
-				des_cbc_encrypt(0, 0, 0, 0, 0, 0);
-				RC4(0, 0, 0, 0);],lres="$i $j"; break 2)
-			fi
 		done
 	done
 	CFLAGS="$save_CFLAGS"
@@ -130,8 +106,7 @@ if test "$crypto_lib" = "unknown" -a "$with_krb4" != "no"; then
 fi
 
 if test "$crypto_lib" = "unknown" -a "$with_openssl" != "no"; then
-
+	save_CFLAGS="$CFLAGS"
-  save_CPPFLAGS="$CPPFLAGS"
 	save_LIBS="$LIBS"
 	INCLUDE_des=
 	LIB_des=
@@ -141,35 +116,17 @@ if test "$crypto_lib" = "unknown" -a "$with_openssl" != "no"; then
 	if test "$with_openssl_lib" != ""; then
 		LIB_des="-L${with_openssl}/lib"
 	fi
-  CPPFLAGS="${INCLUDE_des} ${CPPFLAGS}"
+	CFLAGS="-DHAVE_OPENSSL ${INCLUDE_des} ${CFLAGS}"
 	LIB_des="${LIB_des} -lcrypto"
 	LIB_des_a="$LIB_des"
 	LIB_des_so="$LIB_des"
 	LIB_des_appl="$LIB_des"
 	LIBS="${LIBS} ${LIB_des}"
-  AC_TRY_LINK([
+	AC_TRY_LINK(test_headers, test_body, [
-  #include <openssl/md4.h>
-  #include <openssl/md5.h>
-  #include <openssl/sha.h>
-  #include <openssl/des.h>
-  #include <openssl/rc4.h>
-  ],
-  [
-    void *schedule = 0;
-    MD4_CTX md4;
-    MD5_CTX md5;
-    SHA_CTX sha1;
-
-    MD4_Init(&md4);
-    MD5_Init(&md5);
-    SHA1_Init(&sha1);
-
-    des_cbc_encrypt(0, 0, 0, schedule, 0, 0);
-    RC4(0, 0, 0, 0);
-  ], [
 		crypto_lib=libcrypto openssl=yes
-  AC_MSG_RESULT([libcrypto])])
+		AC_MSG_RESULT([libcrypto])
-  CPPFLAGS="$save_CPPFLAGS"
+	])
+	CFLAGS="$save_CFLAGS"
 	LIBS="$save_LIBS"
 fi
 
@@ -194,6 +151,10 @@ fi
 if test "$openssl" = "yes"; then
   AC_DEFINE([HAVE_OPENSSL], 1, [define to use openssl's libcrypto])
 fi
+if test "$old_hash" = yes; then
+  AC_DEFINE([HAVE_OLD_HASH_NAMES], 1,
+		[define if you have hash functions like md4_finito()])
+fi
 AM_CONDITIONAL(HAVE_OPENSSL, test "$openssl" = yes)dnl
 
 AC_SUBST(DIR_des)