configure: get API info for a couple of OpenSSL functions (followup 1)

1 files changed, 254 insertions, 66 deletions

diff --git a/m4/curl-openssl.m4 b/m4/curl-openssl.m4
index f32bfd103..3cbff46ae 100644
--- a/m4/curl-openssl.m4
+++ b/m4/curl-openssl.m4
@@ -21,91 +21,91 @@
 #***************************************************************************
 
 # File version for 'aclocal' use. Keep it a single number.
-# serial 1
+# serial 2
 
 
-dnl CURL_CHECK_OPENSSL_ADD_ALL_API
+dnl CURL_CHECK_OPENSSL_ADD_ALL_ALGORITHMS_API
 dnl -------------------------------------------------
 dnl Link time verification check of which API is
-dnl used for for the *_add_all_algorithms function.
+dnl used for OpenSSL_add_all_algorithms function.
+dnl HAVE_OPENSSL_ADD_ALL_ALGORITHMS_API gets defined as
+dnl apprpriate only for systems which actually run the
+dnl configure script. Config files generated manually
+dnl or in any other way shall not define this.
 
-AC_DEFUN([CURL_CHECK_OPENSSL_ADD_ALL_API], [
+AC_DEFUN([CURL_CHECK_OPENSSL_ADD_ALL_ALGORITHMS_API], [
   #
-  tst_links_add_all_api_091="unknown"
-  tst_links_add_all_api_095="unknown"
-  tst_links_add_all_api_097="unknown"
+  tst_openssl_add_all_algorithms_api="unknown"
   #
-  AC_MSG_CHECKING([if OpenSSL *_add_all_algorithms API is 0.9.1])
+  AC_MSG_CHECKING([for OpenSSL_add_all_algorithms API])
   AC_LINK_IFELSE([
     AC_LANG_PROGRAM([[
     ]],[[
-      SSLeay_add_all_algorithms();
+      OPENSSL_add_all_algorithms_conf();
+      OPENSSL_add_all_algorithms_noconf();
     ]])
   ],[
-    AC_MSG_RESULT([yes])
-    tst_links_add_all_api_091="yes"
-  ],[
-    AC_MSG_RESULT([no])
-    tst_links_add_all_api_091="no"
+    tst_openssl_add_all_algorithms_api="0x097"
   ])
-  if test "$tst_links_add_all_api_091" != "yes"; then
-    AC_MSG_CHECKING([if OpenSSL *_add_all_algorithms API is 0.9.5])
+  if test "$tst_openssl_add_all_algorithms_api" = "unknown"; then
     AC_LINK_IFELSE([
       AC_LANG_PROGRAM([[
       ]],[[
         OpenSSL_add_all_algorithms();
       ]])
     ],[
-      AC_MSG_RESULT([yes])
-      tst_links_add_all_api_095="yes"
-    ],[
-      AC_MSG_RESULT([no])
-      tst_links_add_all_api_095="no"
+      tst_openssl_add_all_algorithms_api="0x095"
     ])
   fi
-  if test "$tst_links_add_all_api_091" != "yes" &&
-     test "$tst_links_add_all_api_095" != "yes"; then
-    AC_MSG_CHECKING([if OpenSSL *_add_all_algorithms API is 0.9.7])
+  if test "$tst_openssl_add_all_algorithms_api" = "unknown"; then
     AC_LINK_IFELSE([
       AC_LANG_PROGRAM([[
       ]],[[
-        OPENSSL_add_all_algorithms_conf();
-        OPENSSL_add_all_algorithms_noconf();
+        SSLeay_add_all_algorithms();
       ]])
     ],[
-      AC_MSG_RESULT([yes])
-      tst_links_add_all_api_097="yes"
-    ],[
-      AC_MSG_RESULT([no])
-      tst_links_add_all_api_097="no"
+      tst_openssl_add_all_algorithms_api="0x091"
     ])
   fi
+  case "$tst_openssl_add_all_algorithms_api" in
+    0x097)
+      tst_show="0.9.7"
+      ;;
+    0x095)
+      tst_show="0.9.5"
+      ;;
+    0x091)
+      tst_show="0.9.1"
+      ;;
+    *)
+      tst_show="unknown"
+      ;;
+  esac
+  AC_MSG_RESULT([$tst_show])
   #
-  if test "$tst_links_add_all_api_091" = "yes"; then
-    AC_DEFINE_UNQUOTED(HAVE_OPENSSL_ADD_ALL_API_091, 1,
-      [Define to 1 if OpenSSL *_add_all_algorithms API is 0.9.1])
-  elif test "$tst_links_add_all_api_095" = "yes"; then
-    AC_DEFINE_UNQUOTED(HAVE_OPENSSL_ADD_ALL_API_095, 1,
-      [Define to 1 if OpenSSL *_add_all_algorithms API is 0.9.5])
-  elif test "$tst_links_add_all_api_097" = "yes"; then
-    AC_DEFINE_UNQUOTED(HAVE_OPENSSL_ADD_ALL_API_097, 1,
-      [Define to 1 if OpenSSL *_add_all_algorithms API is 0.9.7])
+  if test "$tst_openssl_add_all_algorithms_api" != "unknown"; then
+    AC_DEFINE_UNQUOTED(HAVE_OPENSSL_ADD_ALL_ALGORITHMS_API,
+      $tst_openssl_add_all_algorithms_api,
+      [OpenSSL link time API for OpenSSL_add_all_algorithms function. Configure
+       script only definition. No matter what, do not ever define yourself.])
   fi
 ])
 
 
-dnl CURL_CHECK_OPENSSL_DESRANDKEY_API
+dnl CURL_CHECK_OPENSSL_DES_RANDOM_KEY_API
 dnl -------------------------------------------------
-dnl Verify if DES_random_key or des_random_key can be
-dnl linked. When true, define HAVE_DES_RANDOM_KEY_097
-dnl or HAVE_DES_RANDOM_KEY_LOWER.
+dnl Link time verification check of which API is
+dnl used for OpenSSL DES_random_key function.
+dnl HAVE_OPENSSL_DES_RANDOM_KEY_API gets defined as
+dnl apprpriate only for systems which actually run the
+dnl configure script. Config files generated manually
+dnl or in any other way shall not define this.
 
-AC_DEFUN([CURL_CHECK_OPENSSL_DESRANDKEY_API], [
+AC_DEFUN([CURL_CHECK_OPENSSL_DES_RANDOM_KEY_API], [
   #
-  tst_links_des_random_key_api_097="unknown"
-  tst_links_des_random_key_api_095="unknown"
+  tst_openssl_des_random_key_api="unknown"
   #
-  AC_MSG_CHECKING([if OpenSSL des_random_key API is 0.9.7])
+  AC_MSG_CHECKING([for OpenSSL DES_random_key API])
   AC_LINK_IFELSE([
     AC_LANG_PROGRAM([[
     ]],[[
@@ -113,14 +113,9 @@ AC_DEFUN([CURL_CHECK_OPENSSL_DESRANDKEY_API], [
         return 1;
     ]])
   ],[
-    AC_MSG_RESULT([yes])
-    tst_links_des_random_key_api_097="yes"
-  ],[
-    AC_MSG_RESULT([no])
-    tst_links_des_random_key_api_097="no"
+    tst_openssl_des_random_key_api="0x097"
   ])
-  if test "$tst_links_des_random_key_api_097" != "yes"; then
-    AC_MSG_CHECKING([if OpenSSL des_random_key API is 0.9.5])
+  if test "$tst_openssl_des_random_key_api" = "unknown"; then
     AC_LINK_IFELSE([
       AC_LANG_PROGRAM([[
       ]],[[
@@ -128,19 +123,212 @@ AC_DEFUN([CURL_CHECK_OPENSSL_DESRANDKEY_API], [
           return 1;
       ]])
     ],[
-      AC_MSG_RESULT([yes])
-      tst_links_des_random_key_api_095="yes"
-    ],[
-      AC_MSG_RESULT([no])
-      tst_links_des_random_key_api_095="no"
+      tst_openssl_des_random_key_api="0x095"
     ])
   fi
+  case "$tst_openssl_des_random_key_api" in
+    0x097)
+      tst_show="0.9.7"
+      ;;
+    0x095)
+      tst_show="0.9.5"
+      ;;
+    *)
+      tst_show="unknown"
+      ;;
+  esac
+  AC_MSG_RESULT([$tst_show])
+  #
+  if test "$tst_openssl_des_random_key_api" != "unknown"; then
+    AC_DEFINE_UNQUOTED(HAVE_OPENSSL_DES_RANDOM_KEY_API,
+      $tst_openssl_des_random_key_api,
+      [OpenSSL link time API for OpenSSL DES_random_key function. Configure
+       script only definition. No matter what, do not ever define yourself.])
+  fi
+])
+
+
+dnl CURL_CHECK_OPENSSL_HEADERS_VERSION
+dnl -------------------------------------------------
+dnl Find out OpenSSL headers API version, as reported
+dnl by OPENSSL_VERSION_NUMBER. No runtime checks
+dnl allowed here for cross-compilation sake.
+
+AC_DEFUN([CURL_CHECK_OPENSSL_HEADERS_VERSION], [
+  #
+  AC_MSG_CHECKING([for OpenSSL headers version])
+  #
+  tst_openssl_headers_api="unknown"
+  #
+  CURL_CHECK_DEF([OPENSSL_VERSION_NUMBER], [
+#   ifdef USE_OPENSSL
+#     include <openssl/crypto.h>
+#   else
+#     include <crypto.h>
+#   endif
+    ], [silent])
+  if test "$curl_cv_have_def_OPENSSL_VERSION_NUMBER" = "yes"; then
+    tst_openssl_headers_api=$curl_cv_def_OPENSSL_VERSION_NUMBER
+  fi
+  AC_MSG_RESULT([$tst_openssl_headers_api])
+  #
+])
+
+
+dnl CURL_CHECK_OPENSSL_LIBRARY_VERSION
+dnl -------------------------------------------------
+dnl Find out OpenSSL library API version, performing
+dnl only link tests in order to avoid getting fooled
+dnl by mismatched OpenSSL headers. No runtime checks
+dnl allowed here for cross-compilation sake.
+
+AC_DEFUN([CURL_CHECK_OPENSSL_LIBRARY_VERSION], [
+  #
+  AC_MSG_CHECKING([for OpenSSL library version])
+  #
+  tst_openssl_library_api="unknown"
   #
-  if test "$tst_links_des_random_key_api_097" = "yes"; then
-    AC_DEFINE_UNQUOTED(HAVE_OPENSSL_DESRANDKEY_API_097, 1,
-      [Define to 1 if OpenSSL des_random_key API is 0.9.7])
-  elif test "$tst_links_des_random_key_api_095" = "yes"; then
-    AC_DEFINE_UNQUOTED(HAVE_OPENSSL_DESRANDKEY_API_095, 1,
-      [Define to 1 if OpenSSL des_random_key API is 0.9.5])
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != OBJ_add_sigid(0, 0, 0))
+          return 1;
+      ]])
+    ],[
+      dnl 1.0.0 or newer
+      tst_openssl_library_api="0x100"
+    ])
+  fi
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != ERR_set_mark())
+          return 1;
+      ]])
+    ],[
+      dnl 0.9.8 or newer
+      tst_openssl_library_api="0x098"
+    ])
+  fi
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != ERR_peek_last_error())
+          return 1;
+      ]])
+    ],[
+      dnl 0.9.7 or newer
+      tst_openssl_library_api="0x097"
+    ])
+  fi
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != c2i_ASN1_OBJECT(0, 0, 0))
+          return 1;
+      ]])
+    ],[
+      dnl 0.9.6 or newer
+      tst_openssl_library_api="0x096"
+    ])
   fi
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != SSL_CTX_set_purpose(0, 0))
+          return 1;
+      ]])
+    ],[
+      dnl 0.9.5 or newer
+      tst_openssl_library_api="0x095"
+    ])
+  fi
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != OBJ_obj2txt(0, 0, 0, 0))
+          return 1;
+      ]])
+    ],[
+      dnl 0.9.4 or newer
+      tst_openssl_library_api="0x094"
+    ])
+  fi
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != SSL_get_verify_depth(0))
+          return 1;
+      ]])
+    ],[
+      dnl 0.9.3 or newer
+      tst_openssl_library_api="0x093"
+    ])
+  fi
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != SSL_library_init())
+          return 1;
+      ]])
+    ],[
+      dnl 0.9.2 or newer
+      tst_openssl_library_api="0x092"
+    ])
+  fi
+  if test "$tst_openssl_library_api" = "unknown"; then
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        if(0 != SSL_CTX_set_cipher_list(0, 0))
+          return 1;
+      ]])
+    ],[
+      dnl 0.9.1 or newer
+      tst_openssl_library_api="0x091"
+    ])
+  fi
+  #
+  case "$tst_openssl_library_api" in
+    0x100)
+      tst_show="1.0.0"
+      ;;
+    0x098)
+      tst_show="0.9.8"
+      ;;
+    0x097)
+      tst_show="0.9.7"
+      ;;
+    0x096)
+      tst_show="0.9.6"
+      ;;
+    0x095)
+      tst_show="0.9.5"
+      ;;
+    0x094)
+      tst_show="0.9.4"
+      ;;
+    0x093)
+      tst_show="0.9.3"
+      ;;
+    0x092)
+      tst_show="0.9.2"
+      ;;
+    0x091)
+      tst_show="0.9.1"
+      ;;
+    *)
+      tst_show="unknown"
+      ;;
+  esac
+  AC_MSG_RESULT([$tst_show])
+  #
 ])