178 lines
4.2 KiB
Plaintext
178 lines
4.2 KiB
Plaintext
dnl $Id: crypto.m4 22080 2007-11-16 11:10:54Z lha $
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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 - own-built libhcrypto
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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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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include <openssl/evp.h>
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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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#include <openssl/aes.h>
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#include <openssl/engine.h>
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#include <openssl/ui.h>
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#include <openssl/rand.h>
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#include <openssl/hmac.h>
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#include <openssl/pkcs12.h>
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#else
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#include <hcrypto/evp.h>
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#include <hcrypto/md4.h>
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#include <hcrypto/md5.h>
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#include <hcrypto/sha.h>
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#include <hcrypto/des.h>
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#include <hcrypto/rc4.h>
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#include <hcrypto/aes.h>
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#include <hcrypto/engine.h>
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#include <hcrypto/hmac.h>
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#include <hcrypto/pkcs12.h>
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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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SHA256_CTX sha256;
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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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SHA256_Init(&sha256);
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EVP_CIPHER_iv_length(((EVP_CIPHER*)0));
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#ifdef HAVE_OPENSSL
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RAND_status();
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UI_UTIL_read_pw_string(0,0,0,0);
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#endif
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OpenSSL_add_all_algorithms();
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AES_encrypt(0,0,0);
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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_hcrypto=
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AC_MSG_CHECKING([for crypto library])
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openssl=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 $save_LIBS"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([test_headers],
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[test_body])],
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[openssl=yes ires="$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 $save_LIBS"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([test_headers],[test_body])],
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[openssl=no ires="$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 "$lres"; then
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INCLUDE_hcrypto="$ires"
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LIB_hcrypto="$lres"
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crypto_lib=krb4
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AC_MSG_RESULT([same as krb4])
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LIB_hcrypto_a='$(LIB_hcrypto)'
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LIB_hcrypto_so='$(LIB_hcrypto)'
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LIB_hcrypto_appl='$(LIB_hcrypto)'
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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_hcrypto=
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LIB_hcrypto=
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if test "$with_openssl_include" != ""; then
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INCLUDE_hcrypto="-I${with_openssl_include}"
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fi
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if test "$with_openssl_lib" != ""; then
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LIB_hcrypto="-L${with_openssl_lib}"
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fi
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CFLAGS="-DHAVE_OPENSSL ${INCLUDE_hcrypto} ${CFLAGS}"
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saved_LIB_hcrypto="$LIB_hcrypto"
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for lres in "" "-ldl" "-lnsl -lsocket" "-lnsl -lsocket -ldl"; do
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LIB_hcrypto="${saved_LIB_hcrypto} -lcrypto $lres"
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LIB_hcrypto_a="$LIB_hcrypto"
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LIB_hcrypto_so="$LIB_hcrypto"
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LIB_hcrypto_appl="$LIB_hcrypto"
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LIBS="${LIBS} ${LIB_hcrypto}"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([test_headers],[test_body])], [
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crypto_lib=libcrypto openssl=yes
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AC_MSG_RESULT([libcrypto])
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])
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if test "$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 "$crypto_lib" = "unknown"; then
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DIR_hcrypto='hcrypto'
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LIB_hcrypto='$(top_builddir)/lib/hcrypto/libhcrypto.la'
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LIB_hcrypto_a='$(top_builddir)/lib/hcrypto/.libs/libhcrypto.a'
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LIB_hcrypto_so='$(top_builddir)/lib/hcrypto/.libs/libhcrypto.so'
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LIB_hcrypto_appl="-lhcrypto"
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AC_MSG_RESULT([included libhcrypto])
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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 "$openssl" = "yes"; then
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AC_DEFINE([HAVE_OPENSSL], 1, [define to use openssl's libcrypto])
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fi
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AM_CONDITIONAL(HAVE_OPENSSL, test "$openssl" = yes)dnl
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AC_SUBST(DIR_hcrypto)
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AC_SUBST(INCLUDE_hcrypto)
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AC_SUBST(LIB_hcrypto)
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AC_SUBST(LIB_hcrypto_a)
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AC_SUBST(LIB_hcrypto_so)
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AC_SUBST(LIB_hcrypto_appl)
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])
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