cf/crypto.m4

   1 dnl $Id$
   2 dnl
   3 dnl test for crypto libraries:
   4 dnl - libcrypto (from openssl)
   5 dnl - own-built libhcrypto
   6
   7 m4_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                 ])
  39 m4_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
  63 AC_DEFUN([KRB_CRYPTO],[
  64 crypto_lib=unknown
  65 AC_WITH_ALL([openssl])
  66
  67 DIR_hcrypto=
  68
  69 AC_MSG_CHECKING([for crypto library])
  70
  71 openssl=no
  72
  73 if 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"
 102 fi
 103
 104 if 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
 114 fi
 115
 116 if test "$openssl" = "yes"; then
 117   AC_DEFINE([HAVE_OPENSSL], 1, [define to use openssl's libcrypto])
 118 fi
 119 AM_CONDITIONAL(HAVE_OPENSSL, test "$openssl" = yes)dnl
 120
 121 AC_SUBST(DIR_hcrypto)
 122 AC_SUBST(INCLUDE_hcrypto)
 123 AC_SUBST(LIB_hcrypto)
 124 AC_SUBST(LIB_hcrypto_a)
 125 AC_SUBST(LIB_hcrypto_so)
 126 AC_SUBST(LIB_hcrypto_appl)
 127 ])