1dnl $Id$
2dnl
3dnl test for crypto libraries:
4dnl - libcrypto (from openssl)
5dnl - own-built libhcrypto
6
7m4_define([test_headers], [
8		#undef KRB5 /* makes md4.h et al unhappy */
9		#ifdef HAVE_OPENSSL
10		#ifdef HAVE_SYS_TYPES_H
11		#include <sys/types.h>
12		#endif
13		#include <openssl/evp.h>
14		#include <openssl/md4.h>
15		#include <openssl/md5.h>
16		#include <openssl/sha.h>
17		#include <openssl/des.h>
18		#include <openssl/rc4.h>
19		#include <openssl/aes.h>
20		#include <openssl/ec.h>
21		#include <openssl/engine.h>
22		#include <openssl/ui.h>
23		#include <openssl/rand.h>
24		#include <openssl/hmac.h>
25		#include <openssl/pkcs12.h>
26		#else
27		#include <hcrypto/evp.h>
28		#include <hcrypto/md4.h>
29		#include <hcrypto/md5.h>
30		#include <hcrypto/sha.h>
31		#include <hcrypto/des.h>
32		#include <hcrypto/rc4.h>
33		#include <hcrypto/aes.h>
34		#include <hcrypto/engine.h>
35		#include <hcrypto/hmac.h>
36		#include <hcrypto/pkcs12.h>
37		#endif
38		])
39m4_define([test_body], [
40		void *schedule = 0;
41		EVP_MD_CTX mdctx;
42
43		EVP_md4();
44		EVP_md5();
45		EVP_sha1();
46		EVP_sha256();
47
48		EVP_MD_CTX_init(&mdctx);
49		EVP_DigestInit_ex(&mdctx, EVP_sha1(), (ENGINE *)0);
50		EVP_CIPHER_iv_length(((EVP_CIPHER*)0));
51		UI_UTIL_read_pw_string(0,0,0,0);
52		RAND_status();
53		#ifdef HAVE_OPENSSL
54		EC_KEY_new();
55		#endif
56
57		OpenSSL_add_all_algorithms();
58		AES_encrypt(0,0,0);
59		DES_cbc_encrypt(0, 0, 0, schedule, 0, 0);
60		RC4(0, 0, 0, 0);])
61
62
63AC_DEFUN([KRB_CRYPTO],[
64crypto_lib=unknown
65AC_WITH_ALL([openssl])
66
67DIR_hcrypto=
68
69AC_MSG_CHECKING([for crypto library])
70
71openssl=no
72
73if test "$crypto_lib" = "unknown" -a "$with_openssl" != "no"; then
74	save_CFLAGS="$CFLAGS"
75	save_LIBS="$LIBS"
76	INCLUDE_hcrypto=
77	LIB_hcrypto=
78	if test "$with_openssl_include" != ""; then
79		INCLUDE_hcrypto="-I${with_openssl_include}"
80	fi
81	if test "$with_openssl_lib" != ""; then
82		LIB_hcrypto="-L${with_openssl_lib}"
83	fi
84	CFLAGS="-DHAVE_OPENSSL ${INCLUDE_hcrypto} ${CFLAGS}"
85	saved_LIB_hcrypto="$LIB_hcrypto"
86	for lres in "" "-ldl" "-lnsl -lsocket" "-lnsl -lsocket -ldl"; do
87		LIB_hcrypto="${saved_LIB_hcrypto} -lcrypto $lres"
88		LIB_hcrypto_a="$LIB_hcrypto"
89		LIB_hcrypto_so="$LIB_hcrypto"
90		LIB_hcrypto_appl="$LIB_hcrypto"
91		LIBS="${LIBS} ${LIB_hcrypto}"
92		AC_LINK_IFELSE([AC_LANG_PROGRAM([test_headers],[test_body])], [
93			crypto_lib=libcrypto openssl=yes
94			AC_MSG_RESULT([libcrypto])
95		])
96		if test "$crypto_lib" = libcrypto ; then
97			break;
98		fi
99	done
100	CFLAGS="$save_CFLAGS"
101	LIBS="$save_LIBS"
102fi
103
104if test "$crypto_lib" = "unknown"; then
105
106  DIR_hcrypto='hcrypto'
107  LIB_hcrypto='$(top_builddir)/lib/hcrypto/libhcrypto.la'
108  LIB_hcrypto_a='$(top_builddir)/lib/hcrypto/.libs/libhcrypto.a'
109  LIB_hcrypto_so='$(top_builddir)/lib/hcrypto/.libs/libhcrypto.so'
110  LIB_hcrypto_appl="-lhcrypto"
111
112  AC_MSG_RESULT([included libhcrypto])
113
114fi
115
116if test "$openssl" = "yes"; then
117  AC_DEFINE([HAVE_OPENSSL], 1, [define to use openssl's libcrypto])
118fi
119AM_CONDITIONAL(HAVE_OPENSSL, test "$openssl" = yes)dnl
120
121AC_SUBST(DIR_hcrypto)
122AC_SUBST(INCLUDE_hcrypto)
123AC_SUBST(LIB_hcrypto)
124AC_SUBST(LIB_hcrypto_a)
125AC_SUBST(LIB_hcrypto_so)
126AC_SUBST(LIB_hcrypto_appl)
127])
128