| 1 | dnl $Id$ | 
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| 2 | dnl | 
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| 3 | dnl test for crypto libraries: | 
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| 4 | dnl - libcrypto (from openssl) | 
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| 5 | dnl - own-built libhcrypto | 
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| 6 |  | 
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| 7 | m4_define([test_headers], [ | 
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| 8 | #undef KRB5 /* makes md4.h et al unhappy */ | 
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| 9 | #ifdef HAVE_OPENSSL | 
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| 10 | #ifdef HAVE_SYS_TYPES_H | 
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| 11 | #include <sys/types.h> | 
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| 12 | #endif | 
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| 13 | #include <openssl/evp.h> | 
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| 14 | #include <openssl/md4.h> | 
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| 15 | #include <openssl/md5.h> | 
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| 16 | #include <openssl/sha.h> | 
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| 17 | #include <openssl/des.h> | 
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| 18 | #include <openssl/rc4.h> | 
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| 19 | #include <openssl/aes.h> | 
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| 20 | #include <openssl/ec.h> | 
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| 21 | #include <openssl/engine.h> | 
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| 22 | #include <openssl/ui.h> | 
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| 23 | #include <openssl/rand.h> | 
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| 24 | #include <openssl/hmac.h> | 
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| 25 | #include <openssl/pkcs12.h> | 
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| 26 | #else | 
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| 27 | #include <hcrypto/evp.h> | 
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| 28 | #include <hcrypto/md4.h> | 
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| 29 | #include <hcrypto/md5.h> | 
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| 30 | #include <hcrypto/sha.h> | 
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| 31 | #include <hcrypto/des.h> | 
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| 32 | #include <hcrypto/rc4.h> | 
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| 33 | #include <hcrypto/aes.h> | 
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| 34 | #include <hcrypto/engine.h> | 
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| 35 | #include <hcrypto/hmac.h> | 
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| 36 | #include <hcrypto/pkcs12.h> | 
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| 37 | #endif | 
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| 38 | ]) | 
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| 39 | m4_define([test_body], [ | 
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| 40 | void *schedule = 0; | 
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| 41 | EVP_MD_CTX mdctx; | 
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| 42 |  | 
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| 43 | EVP_md4(); | 
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| 44 | EVP_md5(); | 
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| 45 | EVP_sha1(); | 
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| 46 | EVP_sha256(); | 
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| 47 |  | 
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| 48 | EVP_MD_CTX_init(&mdctx); | 
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| 49 | EVP_DigestInit_ex(&mdctx, EVP_sha1(), (ENGINE *)0); | 
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| 50 | EVP_CIPHER_iv_length(((EVP_CIPHER*)0)); | 
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| 51 | UI_UTIL_read_pw_string(0,0,0,0); | 
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| 52 | RAND_status(); | 
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| 53 | #ifdef HAVE_OPENSSL | 
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| 54 | EC_KEY_new(); | 
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| 55 | #endif | 
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| 56 |  | 
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| 57 | OpenSSL_add_all_algorithms(); | 
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| 58 | AES_encrypt(0,0,0); | 
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| 59 | DES_cbc_encrypt(0, 0, 0, schedule, 0, 0); | 
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| 60 | RC4(0, 0, 0, 0);]) | 
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| 61 |  | 
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| 62 |  | 
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| 63 | AC_DEFUN([KRB_CRYPTO],[ | 
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| 64 | crypto_lib=unknown | 
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| 65 | AC_WITH_ALL([openssl]) | 
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| 66 |  | 
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| 67 | DIR_hcrypto= | 
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| 68 |  | 
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| 69 | AC_MSG_CHECKING([for crypto library]) | 
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| 70 |  | 
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| 71 | openssl=no | 
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| 72 |  | 
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| 73 | if test "$crypto_lib" = "unknown" -a "$with_krb4" != "no"; then | 
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| 74 | save_CPPFLAGS="$CPPFLAGS" | 
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| 75 | save_LIBS="$LIBS" | 
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| 76 |  | 
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| 77 | cdirs= clibs= | 
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| 78 | for i in $LIB_krb4; do | 
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| 79 | case "$i" in | 
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| 80 | -L*) cdirs="$cdirs $i";; | 
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| 81 | -l*) clibs="$clibs $i";; | 
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| 82 | esac | 
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| 83 | done | 
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| 84 |  | 
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| 85 | ires= | 
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| 86 | for i in $INCLUDE_krb4; do | 
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| 87 | CFLAGS="-DHAVE_OPENSSL $i $save_CFLAGS" | 
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| 88 | for j in $cdirs; do | 
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| 89 | for k in $clibs; do | 
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| 90 | LIBS="$j $k $save_LIBS" | 
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| 91 | AC_LINK_IFELSE([AC_LANG_PROGRAM([test_headers], | 
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| 92 | [test_body])], | 
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| 93 | [openssl=yes ires="$i" lres="$j $k"; break 3]) | 
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| 94 | done | 
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| 95 | done | 
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| 96 | CFLAGS="$i $save_CFLAGS" | 
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| 97 | for j in $cdirs; do | 
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| 98 | for k in $clibs; do | 
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| 99 | LIBS="$j $k $save_LIBS" | 
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| 100 | AC_LINK_IFELSE([AC_LANG_PROGRAM([test_headers],[test_body])], | 
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| 101 | [openssl=no ires="$i" lres="$j $k"; break 3]) | 
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| 102 | done | 
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| 103 | done | 
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| 104 | done | 
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| 105 |  | 
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| 106 | CFLAGS="$save_CFLAGS" | 
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| 107 | LIBS="$save_LIBS" | 
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| 108 | if test "$ires" -a "$lres"; then | 
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| 109 | INCLUDE_hcrypto="$ires" | 
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| 110 | LIB_hcrypto="$lres" | 
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| 111 | crypto_lib=krb4 | 
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| 112 | AC_MSG_RESULT([same as krb4]) | 
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| 113 | LIB_hcrypto_a='$(LIB_hcrypto)' | 
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| 114 | LIB_hcrypto_so='$(LIB_hcrypto)' | 
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| 115 | LIB_hcrypto_appl='$(LIB_hcrypto)' | 
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| 116 | fi | 
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| 117 | fi | 
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| 118 |  | 
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| 119 | if test "$crypto_lib" = "unknown" -a "$with_openssl" != "no"; then | 
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| 120 | save_CFLAGS="$CFLAGS" | 
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| 121 | save_LIBS="$LIBS" | 
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| 122 | INCLUDE_hcrypto= | 
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| 123 | LIB_hcrypto= | 
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| 124 | if test "$with_openssl_include" != ""; then | 
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| 125 | INCLUDE_hcrypto="-I${with_openssl_include}" | 
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| 126 | fi | 
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| 127 | if test "$with_openssl_lib" != ""; then | 
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| 128 | LIB_hcrypto="-L${with_openssl_lib}" | 
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| 129 | fi | 
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| 130 | CFLAGS="-DHAVE_OPENSSL ${INCLUDE_hcrypto} ${CFLAGS}" | 
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| 131 | saved_LIB_hcrypto="$LIB_hcrypto" | 
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| 132 | for lres in "" "-ldl" "-lnsl -lsocket" "-lnsl -lsocket -ldl"; do | 
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| 133 | LIB_hcrypto="${saved_LIB_hcrypto} -lcrypto $lres" | 
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| 134 | LIB_hcrypto_a="$LIB_hcrypto" | 
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| 135 | LIB_hcrypto_so="$LIB_hcrypto" | 
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| 136 | LIB_hcrypto_appl="$LIB_hcrypto" | 
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| 137 | LIBS="${LIBS} ${LIB_hcrypto}" | 
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| 138 | AC_LINK_IFELSE([AC_LANG_PROGRAM([test_headers],[test_body])], [ | 
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| 139 | crypto_lib=libcrypto openssl=yes | 
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| 140 | AC_MSG_RESULT([libcrypto]) | 
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| 141 | ]) | 
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| 142 | if test "$crypto_lib" = libcrypto ; then | 
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| 143 | break; | 
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| 144 | fi | 
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| 145 | done | 
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| 146 | CFLAGS="$save_CFLAGS" | 
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| 147 | LIBS="$save_LIBS" | 
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| 148 | fi | 
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| 149 |  | 
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| 150 | if test "$crypto_lib" = "unknown"; then | 
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| 151 |  | 
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| 152 | DIR_hcrypto='hcrypto' | 
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| 153 | LIB_hcrypto='$(top_builddir)/lib/hcrypto/libhcrypto.la' | 
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| 154 | LIB_hcrypto_a='$(top_builddir)/lib/hcrypto/.libs/libhcrypto.a' | 
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| 155 | LIB_hcrypto_so='$(top_builddir)/lib/hcrypto/.libs/libhcrypto.so' | 
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| 156 | LIB_hcrypto_appl="-lhcrypto" | 
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| 157 |  | 
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| 158 | AC_MSG_RESULT([included libhcrypto]) | 
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| 159 |  | 
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| 160 | fi | 
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| 161 |  | 
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| 162 | if test "$with_krb4" != no -a "$crypto_lib" != krb4; then | 
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| 163 | AC_MSG_ERROR([the crypto library used by krb4 lacks features | 
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| 164 | required by Kerberos 5; to continue, you need to install a newer | 
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| 165 | Kerberos 4 or configure --without-krb4]) | 
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| 166 | fi | 
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| 167 |  | 
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| 168 | if test "$openssl" = "yes"; then | 
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| 169 | AC_DEFINE([HAVE_OPENSSL], 1, [define to use openssl's libcrypto]) | 
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| 170 | fi | 
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| 171 | AM_CONDITIONAL(HAVE_OPENSSL, test "$openssl" = yes)dnl | 
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| 172 |  | 
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| 173 | AC_SUBST(DIR_hcrypto) | 
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| 174 | AC_SUBST(INCLUDE_hcrypto) | 
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| 175 | AC_SUBST(LIB_hcrypto) | 
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| 176 | AC_SUBST(LIB_hcrypto_a) | 
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| 177 | AC_SUBST(LIB_hcrypto_so) | 
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| 178 | AC_SUBST(LIB_hcrypto_appl) | 
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| 179 | ]) | 
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