Vendor import of Unbound 1.7.0.

cachedb/cachedb.c

@@ -568,14 +568,17 @@ cachedb_intcache_lookup(struct module_qstate* qstate)
 	msg = dns_cache_lookup(qstate->env, qstate->qinfo.qname,
 		qstate->qinfo.qname_len, qstate->qinfo.qtype,
 		qstate->qinfo.qclass, qstate->query_flags,
-		qstate->region, qstate->env->scratch);
+		qstate->region, qstate->env->scratch,
+		1 /* no partial messages with only a CNAME */
+		);
 	if(!msg && qstate->env->neg_cache) {
 		/* lookup in negative cache; may result in 
 		 * NOERROR/NODATA or NXDOMAIN answers that need validation */
 		msg = val_neg_getmsg(qstate->env->neg_cache, &qstate->qinfo,
 			qstate->region, qstate->env->rrset_cache,
 			qstate->env->scratch_buffer,
-			*qstate->env->now, 1/*add SOA*/, NULL);
+			*qstate->env->now, 1/*add SOA*/, NULL,
+			qstate->env->cfg);
 	}
 	if(!msg)
 		return 0;

compat/arc4_lock.c

@@ -33,6 +33,9 @@
  */
 #include "config.h"
 #define LOCKRET(func) func
+#ifdef ENABLE_LOCK_CHECKS
+#undef ENABLE_LOCK_CHECKS
+#endif
 #include "util/locks.h"
 
 void _ARC4_LOCK(void);
@@ -46,6 +49,10 @@ void _ARC4_LOCK(void)
 void _ARC4_UNLOCK(void)
 {
 }
+
+void _ARC4_LOCK_DESTROY(void)
+{
+}
 #else /* !THREADS_DISABLED */
 
 static lock_quick_type arc4lock;
@@ -64,4 +71,12 @@ void _ARC4_UNLOCK(void)
 {
 	lock_quick_unlock(&arc4lock);
 }
+
+void _ARC4_LOCK_DESTROY(void)
+{
+	if(arc4lockinit) {
+		arc4lockinit = 0;
+		lock_quick_destroy(&arc4lock);
+	}
+}
 #endif /* THREADS_DISABLED */

config.h.in

@@ -425,6 +425,12 @@
 /* Define to 1 if you have the `SSL_CTX_set_security_level' function. */
 #undef HAVE_SSL_CTX_SET_SECURITY_LEVEL
 
+/* Define to 1 if you have the `SSL_get0_peername' function. */
+#undef HAVE_SSL_GET0_PEERNAME
+
+/* Define to 1 if you have the `SSL_set1_host' function. */
+#undef HAVE_SSL_SET1_HOST
+
 /* Define to 1 if you have the <stdarg.h> header file. */
 #undef HAVE_STDARG_H
 
@@ -646,6 +652,9 @@
 /* define if (v)snprintf does not return length needed, (but length used) */
 #undef SNPRINTF_RET_BROKEN
 
+/* Define to 1 if libsodium supports sodium_set_misuse_handler */
+#undef SODIUM_MISUSE_HANDLER
+
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 
@@ -1147,6 +1156,7 @@ uint32_t arc4random(void);
 void arc4random_buf(void* buf, size_t n);
 void _ARC4_LOCK(void);
 void _ARC4_UNLOCK(void);
+void _ARC4_LOCK_DESTROY(void);
 #endif
 #ifndef HAVE_ARC4RANDOM_UNIFORM
 uint32_t arc4random_uniform(uint32_t upper_bound);

configure

 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for unbound 1.6.8.
+# Generated by GNU Autoconf 2.69 for unbound 1.7.0.
 #
 # Report bugs to <unbound-bugs@nlnetlabs.nl>.
 #
@@ -590,8 +590,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='unbound'
 PACKAGE_TARNAME='unbound'
-PACKAGE_VERSION='1.6.8'
-PACKAGE_STRING='unbound 1.6.8'
+PACKAGE_VERSION='1.7.0'
+PACKAGE_STRING='unbound 1.7.0'
 PACKAGE_BUGREPORT='unbound-bugs@nlnetlabs.nl'
 PACKAGE_URL=''
@@ -848,6 +848,7 @@ with_pthreads
 with_solaris_threads
 with_pyunbound
 with_pythonmodule
+enable_swig_version_check
 with_nss
 with_nettle
 with_ssl
@@ -1437,7 +1438,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures unbound 1.6.8 to adapt to many kinds of systems.
+\`configure' configures unbound 1.7.0 to adapt to many kinds of systems.
 Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -1502,7 +1503,7 @@ fi
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of unbound 1.6.8:";;
+     short | recursive ) echo "Configuration of unbound 1.7.0:";;
    esac
   cat <<\_ACEOF
@@ -1532,6 +1533,9 @@ Optional Features:
                           enable nonregional allocs, slow but exposes regional
                           allocations to other memory purifiers, for debug
                           purposes
+  --disable-swig-version-check
+                          Disable swig version check to build python modules
+                          with older swig even though that is unreliable
   --disable-sha1          Disable SHA1 RRSIG support, does not disable nsec3
                           support
   --disable-sha2          Disable SHA256 and SHA512 RRSIG support
@@ -1714,7 +1718,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-unbound configure 1.6.8
+unbound configure 1.7.0
 generated by GNU Autoconf 2.69
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2423,7 +2427,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
-It was created by unbound $as_me 1.6.8, which was
+It was created by unbound $as_me 1.7.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
   $ $0 $@
@@ -2773,13 +2777,13 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 UNBOUND_VERSION_MAJOR=1
-UNBOUND_VERSION_MINOR=6
-UNBOUND_VERSION_MICRO=8
+UNBOUND_VERSION_MINOR=7
+UNBOUND_VERSION_MICRO=0
 LIBUNBOUND_CURRENT=7
-LIBUNBOUND_REVISION=7
+LIBUNBOUND_REVISION=8
 LIBUNBOUND_AGE=5
 # 1.0.0 had 0:12:0
 # 1.0.1 had 0:13:0
@@ -2838,6 +2842,7 @@ LIBUNBOUND_AGE=5
 # 1.6.6 had 7:5:5
 # 1.6.7 had 7:6:5
 # 1.6.8 had 7:7:5
+# 1.7.0 had 7:8:5
 #   Current  -- the number of the binary API that we're implementing
 #   Revision -- which iteration of the implementation of the binary
@@ -4429,6 +4434,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 # allow user to override the -g -O2 flags.
+default_cflags=no
 if test "x$CFLAGS" = "x" ; then
@@ -4492,6 +4498,7 @@ $as_echo "no" >&6; }
 fi
+default_cflags=yes
 fi
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -5945,6 +5952,10 @@ $as_echo "#define UNBOUND_DEBUG /**/" >>confdefs.h
 		# nothing to do.
 		;;
 esac
+if test "$default_cflags" = "yes"; then
+	# only when CFLAGS was "" at the start, if the users wants to
+	# override we shouldn't add default cflags, because they wouldn't
+	# be able to turn off these options and set the CFLAGS wanted.
     # Check whether --enable-flto was given.
 if test "${enable_flto+set}" = set; then :
@@ -6079,6 +6090,7 @@ rm -f core conftest.err conftest.$ac_objext \
 fi
+fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
 $as_echo_n "checking for inline... " >&6; }
@@ -16915,6 +16927,12 @@ $as_echo "#define HAVE_PYTHON 1" >>confdefs.h
       # Check for SWIG
       ub_have_swig=no
+      # Check whether --enable-swig-version-check was given.
+if test "${enable_swig_version_check+set}" = set; then :
+  enableval=$enable_swig_version_check;
+fi
+
+      if test "$enable_swig_version_check" = "yes"; then
         # Extract the first word of "swig", so it can be a program name with args.
 set dummy swig; ac_word=$2
@@ -17031,6 +17049,124 @@ $as_echo "$as_me: WARNING: cannot determine SWIG version" >&2;}
         fi
+      else
+
+        # Extract the first word of "swig", so it can be a program name with args.
+set dummy swig; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_SWIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $SWIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_SWIG="$SWIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_SWIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+SWIG=$ac_cv_path_SWIG
+if test -n "$SWIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SWIG" >&5
+$as_echo "$SWIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+        if test -z "$SWIG" ; then
+                { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cannot find 'swig' program. You should look at http://www.swig.org" >&5
+$as_echo "$as_me: WARNING: cannot find 'swig' program. You should look at http://www.swig.org" >&2;}
+                SWIG='echo "Error: SWIG is not installed. You should look at http://www.swig.org" ; false'
+        elif test -n "" ; then
+                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SWIG version" >&5
+$as_echo_n "checking for SWIG version... " >&6; }
+                swig_version=`$SWIG -version 2>&1 | grep 'SWIG Version' | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`
+                { $as_echo "$as_me:${as_lineno-$LINENO}: result: $swig_version" >&5
+$as_echo "$swig_version" >&6; }
+                if test -n "$swig_version" ; then
+                        # Calculate the required version number components
+                        required=
+                        required_major=`echo $required | sed 's/[^0-9].*//'`
+                        if test -z "$required_major" ; then
+                                required_major=0
+                        fi
+                        required=`echo $required | sed 's/[0-9]*[^0-9]//'`
+                        required_minor=`echo $required | sed 's/[^0-9].*//'`
+                        if test -z "$required_minor" ; then
+                                required_minor=0
+                        fi
+                        required=`echo $required | sed 's/[0-9]*[^0-9]//'`
+                        required_patch=`echo $required | sed 's/[^0-9].*//'`
+                        if test -z "$required_patch" ; then
+                                required_patch=0
+                        fi
+                        # Calculate the available version number components
+                        available=$swig_version
+                        available_major=`echo $available | sed 's/[^0-9].*//'`
+                        if test -z "$available_major" ; then
+                                available_major=0
+                        fi
+                        available=`echo $available | sed 's/[0-9]*[^0-9]//'`
+                        available_minor=`echo $available | sed 's/[^0-9].*//'`
+                        if test -z "$available_minor" ; then
+                                available_minor=0
+                        fi
+                        available=`echo $available | sed 's/[0-9]*[^0-9]//'`
+                        available_patch=`echo $available | sed 's/[^0-9].*//'`
+                        if test -z "$available_patch" ; then
+                                available_patch=0
+                        fi
+			badversion=0
+			if test $available_major -lt $required_major ; then
+				badversion=1
+			fi
+                        if test $available_major -eq $required_major \
+                                -a $available_minor -lt $required_minor ; then
+				badversion=1
+			fi
+                        if test $available_major -eq $required_major \
+                                -a $available_minor -eq $required_minor \
+                                -a $available_patch -lt $required_patch ; then
+				badversion=1
+			fi
+			if test $badversion -eq 1 ; then
+                                { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: SWIG version >=  is required.  You have $swig_version.  You should look at http://www.swig.org" >&5
+$as_echo "$as_me: WARNING: SWIG version >=  is required.  You have $swig_version.  You should look at http://www.swig.org" >&2;}
+                                SWIG='echo "Error: SWIG version >=  is required.  You have '"$swig_version"'.  You should look at http://www.swig.org" ; false'
+                        else
+                                { $as_echo "$as_me:${as_lineno-$LINENO}: SWIG executable is '$SWIG'" >&5
+$as_echo "$as_me: SWIG executable is '$SWIG'" >&6;}
+                                SWIG_LIB=`$SWIG -swiglib`
+                                { $as_echo "$as_me:${as_lineno-$LINENO}: SWIG library directory is '$SWIG_LIB'" >&5
+$as_echo "$as_me: SWIG library directory is '$SWIG_LIB'" >&6;}
+                        fi
+                else
+                        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cannot determine SWIG version" >&5
+$as_echo "$as_me: WARNING: cannot determine SWIG version" >&2;}
+                        SWIG='echo "Error: Cannot determine SWIG version.  You should look at http://www.swig.org" ; false'
+                fi
+        fi
+
+
+      fi
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking SWIG" >&5
 $as_echo_n "checking SWIG... " >&6; }
       if test ! -x "$SWIG"; then
@@ -17651,7 +17787,7 @@ done
 # these check_funcs need -lssl
 BAKLIBS="$LIBS"
 LIBS="-lssl $LIBS"
-for ac_func in OPENSSL_init_ssl SSL_CTX_set_security_level
+for ac_func in OPENSSL_init_ssl SSL_CTX_set_security_level SSL_set1_host SSL_get0_peername
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -18070,12 +18206,40 @@ case "$enable_dsa" in
       ac_fn_c_check_func "$LINENO" "DSA_SIG_new" "ac_cv_func_DSA_SIG_new"
 if test "x$ac_cv_func_DSA_SIG_new" = xyes; then :
+      as_ac_Type=`$as_echo "ac_cv_type_DSA_SIG*" | $as_tr_sh`
+ac_fn_c_check_type "$LINENO" "DSA_SIG*" "$as_ac_Type" "
+$ac_includes_default
+#ifdef HAVE_OPENSSL_ERR_H
+#include <openssl/err.h>
+#endif
+
+#ifdef HAVE_OPENSSL_RAND_H
+#include <openssl/rand.h>
+#endif
+
+#ifdef HAVE_OPENSSL_CONF_H
+#include <openssl/conf.h>
+#endif
+
+#ifdef HAVE_OPENSSL_ENGINE_H
+#include <openssl/engine.h>
+#endif
+
+"
+if eval test \"x\$"$as_ac_Type"\" = x"yes"; then :
+
 cat >>confdefs.h <<_ACEOF
 #define USE_DSA 1
 _ACEOF
+else
+  if test "x$enable_dsa" = "xyes"; then as_fn_error $? "OpenSSL does not support DSA and you used --enable-dsa." "$LINENO" 5
+               fi
+fi
+
+
 else
   if test "x$enable_dsa" = "xyes"; then as_fn_error $? "OpenSSL does not support DSA and you used --enable-dsa." "$LINENO" 5
                fi
@@ -20486,6 +20650,66 @@ else
             ENABLE_DNSCRYPT_XCHACHA20=0
+fi
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sodium_set_misuse_handler" >&5
+$as_echo_n "checking for library containing sodium_set_misuse_handler... " >&6; }
+if ${ac_cv_search_sodium_set_misuse_handler+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char sodium_set_misuse_handler ();
+int
+main ()
+{
+return sodium_set_misuse_handler ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' sodium; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_sodium_set_misuse_handler=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_sodium_set_misuse_handler+:} false; then :
+  break
+fi
+done
+if ${ac_cv_search_sodium_set_misuse_handler+:} false; then :
+
+else
+  ac_cv_search_sodium_set_misuse_handler=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_sodium_set_misuse_handler" >&5
+$as_echo "$ac_cv_search_sodium_set_misuse_handler" >&6; }
+ac_res=$ac_cv_search_sodium_set_misuse_handler
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+
+$as_echo "#define SODIUM_MISUSE_HANDLER 1" >>confdefs.h
+
+
 fi
@@ -20601,6 +20825,15 @@ if test "${with_libunbound_only+set}" = set; then :
 fi
+if test $ALLTARGET = "alltargets"; then
+	if test $USE_NSS = "yes"; then
+		as_fn_error $? "--with-nss can only be used in combination with --with-libunbound-only." "$LINENO" 5
+	fi
+	if test $USE_NETTLE = "yes"; then
+		as_fn_error $? "--with-nettle can only be used in combination with --with-libunbound-only." "$LINENO" 5
+	fi
+fi
+
@@ -20695,7 +20928,7 @@ _ACEOF
-version=1.6.8
+version=1.7.0
 date=`date +'%b %e, %Y'`
@@ -21214,7 +21447,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by unbound $as_me 1.6.8, which was
+This file was extended by unbound $as_me 1.7.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
   CONFIG_FILES    = $CONFIG_FILES
@@ -21280,7 +21513,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-unbound config.status 1.6.8
+unbound config.status 1.7.0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"

configure.ac

@@ -10,15 +10,15 @@ sinclude(dnscrypt/dnscrypt.m4)
 
 # must be numbers. ac_defun because of later processing
 m4_define([VERSION_MAJOR],[1])
-m4_define([VERSION_MINOR],[6])
-m4_define([VERSION_MICRO],[8])
+m4_define([VERSION_MINOR],[7])
+m4_define([VERSION_MICRO],[0])
 AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl, unbound)
 AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
 AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
 AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
 
 LIBUNBOUND_CURRENT=7
-LIBUNBOUND_REVISION=7
+LIBUNBOUND_REVISION=8
 LIBUNBOUND_AGE=5
 # 1.0.0 had 0:12:0
 # 1.0.1 had 0:13:0
@@ -77,6 +77,7 @@ LIBUNBOUND_AGE=5
 # 1.6.6 had 7:5:5
 # 1.6.7 had 7:6:5
 # 1.6.8 had 7:7:5
+# 1.7.0 had 7:8:5
 
 #   Current  -- the number of the binary API that we're implementing
 #   Revision -- which iteration of the implementation of the binary
@@ -246,9 +247,11 @@ AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource f
 AC_C_CONST
 AC_LANG_C
 # allow user to override the -g -O2 flags.
+default_cflags=no
 if test "x$CFLAGS" = "x" ; then
 ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
 ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
+default_cflags=yes
 fi
 AC_PROG_CC
 ACX_DEPFLAG
@@ -272,9 +275,14 @@ case "$debug_enabled" in
 		# nothing to do.
 		;;
 esac
-ACX_CHECK_FLTO
-ACX_CHECK_PIE
-ACX_CHECK_RELRO_NOW
+if test "$default_cflags" = "yes"; then
+	# only when CFLAGS was "" at the start, if the users wants to
+	# override we shouldn't add default cflags, because they wouldn't
+	# be able to turn off these options and set the CFLAGS wanted.
+	ACX_CHECK_FLTO
+	ACX_CHECK_PIE
+	ACX_CHECK_RELRO_NOW
+fi
 
 AC_C_INLINE
 ACX_CHECK_FORMAT_ATTRIBUTE
@@ -579,7 +587,12 @@ if test x_$ub_test_python != x_no; then
 
       # Check for SWIG
       ub_have_swig=no
+      AC_ARG_ENABLE(swig-version-check, AC_HELP_STRING([--disable-swig-version-check], [Disable swig version check to build python modules with older swig even though that is unreliable]))
+      if test "$enable_swig_version_check" = "yes"; then
       	AC_PROG_SWIG(2.0.1)
+      else
+      	AC_PROG_SWIG
+      fi
       AC_MSG_CHECKING(SWIG)
       if test ! -x "$SWIG"; then
          AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
@@ -711,7 +724,7 @@ AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_C
 # these check_funcs need -lssl
 BAKLIBS="$LIBS"
 LIBS="-lssl $LIBS"
-AC_CHECK_FUNCS([OPENSSL_init_ssl SSL_CTX_set_security_level])
+AC_CHECK_FUNCS([OPENSSL_init_ssl SSL_CTX_set_security_level SSL_set1_host SSL_get0_peername])
 LIBS="$BAKLIBS"
 
 AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
@@ -927,7 +940,27 @@ case "$enable_dsa" in
       # detect if DSA is supported, and turn it off if not.
       if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
       AC_CHECK_FUNC(DSA_SIG_new, [
+      AC_CHECK_TYPE(DSA_SIG*, [
       AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
+      ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
+               fi ], [
+AC_INCLUDES_DEFAULT
+#ifdef HAVE_OPENSSL_ERR_H
+#include <openssl/err.h>
+#endif
+
+#ifdef HAVE_OPENSSL_RAND_H
+#include <openssl/rand.h>
+#endif
+
+#ifdef HAVE_OPENSSL_CONF_H
+#include <openssl/conf.h>
+#endif
+
+#ifdef HAVE_OPENSSL_ENGINE_H
+#include <openssl/engine.h>
+#endif
+      ])
       ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
                fi ])
       else
@@ -1471,6 +1504,15 @@ AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
 		INSTALLTARGET="install-lib"
 	fi
 ])
+if test $ALLTARGET = "alltargets"; then
+	if test $USE_NSS = "yes"; then 
+		AC_ERROR([--with-nss can only be used in combination with --with-libunbound-only.])	
+	fi
+	if test $USE_NETTLE = "yes"; then
+		AC_ERROR([--with-nettle can only be used in combination with --with-libunbound-only.])	
+	fi
+fi
+
 AC_SUBST(ALLTARGET)
 AC_SUBST(INSTALLTARGET)
 
@@ -1644,6 +1686,7 @@ uint32_t arc4random(void);
 void arc4random_buf(void* buf, size_t n);
 void _ARC4_LOCK(void);
 void _ARC4_UNLOCK(void);
+void _ARC4_LOCK_DESTROY(void);
 #endif
 #ifndef HAVE_ARC4RANDOM_UNIFORM
 uint32_t arc4random_uniform(uint32_t upper_bound);

contrib/README

@@ -34,3 +34,4 @@ distribution but may be helpful.
 * redirect-bogus.patch: Return configured address for bogus A and AAAA answers,
   instead of SERVFAIL. Contributed by SIDN.
 * fastrpz.patch: fastrpz support from Farsight Security.
+* libunbound.so.conf: ltrace.conf file, see ltrace.conf(5), for libunbound.

contrib/libunbound.so.conf

+# See ltrace.conf(5) for description of syntax of this file.
+typedef ub_type = enum(TYPE_A=1,TYPE_NS=2,TYPE_SOA=6,TYPE_MX=15,TYPE_TXT=16,TYPE_AAAA=28,TYPE_DS=43,TYPE_DNSKEY=48,TYPE_TLSA=52,TYPE_ANY=255);
+typedef ub_class = enum(CLASS_IN=1,CLASS_CH=3,CLASS_NONE=254,CLASS_ANY=255);
+typedef ub_rcode = enum(RCODE_NOERROR,RCODE_FORMERR,RCODE_SERVFAIL,RCODE_NXDOMAIN,RCODE_NOTIMPL,RCODE_REFUSED,RCODE_YXDOMAIN,RCODE_YXRRSET,RCODE_NXRRSET,RCODE_NOTAUTH,RCODE_NOTZONE);
+typedef ub_havedata = enum(no_data, have_data);
+typedef ub_nxdomain = enum(name_exists, nxdomain);
+typedef ub_secure = enum(not_secure, secure);
+typedef ub_bogus = enum(not_bogus, bogus);
+typedef ub_result = struct(string, ub_type, ub_class, array(void*,zero)*, array(int,zero)*, string, ub_rcode, void*, int, ub_havedata, ub_nxdomain, ub_secure, ub_bogus, string, int);
+typedef ub_ctx = void;
+ub_ctx* ub_ctx_create(void);
+void ub_ctx_delete(ub_ctx*);
+int ub_ctx_set_option(ub_ctx*, string, string);
+int ub_ctx_get_option(ub_ctx*, string, +string*);
+int ub_ctx_config(ub_ctx*, string);
+int ub_ctx_set_fwd(ub_ctx*, string);
+int ub_ctx_set_stub(ub_ctx*, string, string, bool(int));
+int ub_ctx_resolvconf(ub_ctx*, string);
+int ub_ctx_hosts(ub_ctx*, string);
+int ub_ctx_add_ta(ub_ctx*, string);