80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
else
AC_MSG_RESULT([cant])
$5
fi
])
AC_DEFUN([TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER], [
dnl Determine if particular SSL version is enabled
if test "[$]$1" = "true" -o "[$]$1" = "force"; then
proto_check='true'
ifelse($5,, [
AC_CHECK_FUNC($2,, [
proto_check='false'
])
], [
AC_LANG_PUSH(C)
AC_MSG_CHECKING([for $3 protocol support])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <openssl/ssl.h>
#include <openssl/opensslv.h>
#if (SSLEAY_VERSION_NUMBER >= 0x0907000L)
# include <openssl/conf.h>
#endif
], [
int x = $5;
])], [
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
proto_check='false'
])
AC_LANG_POP([C])
])
if test "$proto_check" = 'false'; then
if test "[$]$1" = "force"; then
AC_MSG_ERROR([Unable to enable $3])
fi
$1='false'
fi
fi
if test "[$]$1" = "false"; then
AC_DEFINE($4, [1], [Define this to disable $3 in OpenSSL support])
fi
])
|
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
|
176
177
178
179
180
181
182
183
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
;;
esac
done
SHOBJ_DO_STATIC_LINK_LIB([OpenSSL], [$new_TCLTLS_SSL_LIBS_static], [new_TCLTLS_SSL_LIBS_static])
TCLTLS_SSL_LIBS="${new_TCLTLS_SSL_LIBS_normal} ${new_TCLTLS_SSL_LIBS_static}"
fi
fi
dnl Save compile-altering variables we are changing
SAVE_LIBS="${LIBS}"
SAVE_CFLAGS="${CFLAGS}"
SAVE_CPPFLAGS="${CPPFLAGS}"
dnl Update compile-altering variables to include the OpenSSL libraries
LIBS="${TCLTLS_SSL_LIBS} ${SAVE_LIBS} ${TCLTLS_SSL_LIBS}"
CFLAGS="${TCLTLS_SSL_CFLAGS} ${SAVE_CFLAGS} ${TCLTLS_SSL_CFLAGS}"
CPPFLAGS="${TCLTLS_SSL_CPPFLAGS} ${SAVE_CPPFLAGS} ${TCLTLS_SSL_CPPFLAGS}"
dnl Verify that basic functionality is there
AC_LANG_PUSH(C)
AC_MSG_CHECKING([if a basic OpenSSL program works])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <openssl/ssl.h>
#include <openssl/opensslv.h>
#include <openssl/conf.h>
], [
SSL_library_init();
SSL_load_error_strings();
])], [
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
AC_MSG_ERROR([Unable to compile a basic program using OpenSSL])
])
AC_LANG_POP([C])
AC_CHECK_FUNCS([TLS_method])
TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_ssl2], [SSLv2_method], [sslv2], [NO_SSL2])
TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_ssl3], [SSLv3_method], [sslv3], [NO_SSL3])
TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_0], [TLSv1_method], [tlsv1.0], [NO_TLS1])
TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_1], [TLSv1_1_method], [tlsv1.1], [NO_TLS1_1])
TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_2], [TLSv1_2_method], [tlsv1.2], [NO_TLS1_2])
TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_3], [], [tlsv1.3], [NO_TLS1_3], [SSL_OP_NO_TLSv1_3])
AC_CACHE_VAL([tcltls_cv_func_tlsext_hostname], [
AC_LANG_PUSH(C)
AC_MSG_CHECKING([for SSL_set_tlsext_host_name])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <openssl/ssl.h>
#include <openssl/conf.h>
], [
(void)SSL_set_tlsext_host_name((void *) 0, (void *) 0);
])], [
AC_MSG_RESULT([yes])
tcltls_cv_func_tlsext_hostname='yes'
], [
AC_MSG_RESULT([no])
tcltls_cv_func_tlsext_hostname='no'
])
AC_LANG_POP([C])
])
if test "$tcltls_cv_func_tlsext_hostname" = 'no'; then
AC_DEFINE([OPENSSL_NO_TLSEXT], [1], [Define this if your OpenSSL does not support the TLS Extension for SNI])
fi
dnl Restore compile-altering variables
LIBS="${SAVE_LIBS}"
CFLAGS="${SAVE_CFLAGS}"
CPPFLAGS="${SAVE_CPPFLAGS}"
])
|