From: Harlan Stenn <stenn@ntp.org>
Date: Mon, 22 Dec 2014 05:59:33 +0000 (+0000)
Subject: [Bug 2693] ntp-keygen doesn't build without OpenSSL
X-Git-Tag: NTP_4_2_8P1_BETA1~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8cc4e3bd59c6ee5d22af62e1e9cef8530310571;p=thirdparty%2Fntp.git

[Bug 2693] ntp-keygen doesn't build without OpenSSL

bk: 5497b345z5MNTuNvJWuqPSje25NQTg
---

diff --git a/ChangeLog b/ChangeLog
index 43d840815..10b5d225e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,8 @@
 ---
 
 * [Sec 2672] On some OSes ::1 can be spoofed, bypassing source IP ACLs.
-* [Bug 2699] IN6_IS_ADDR_LOOPBACK build problems on some OSes.
+* [Bug 2693] ntp-keygen doesn't build without OpenSSL.
+* [Bug 2697] IN6_IS_ADDR_LOOPBACK build problems on some OSes.
 * [Bug 2699] HAVE_SYS_SELECT_H is misspelled in refclock_gpsdjson.c.
 ---
 (4.2.8) 2014/12/19 Released by Harlan Stenn <stenn@ntp.org>
diff --git a/Makefile.am b/Makefile.am
index 2908f96cd..fc76719f0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,7 +2,10 @@ ACLOCAL_AMFLAGS = -I sntp/m4 -I sntp/libevent/m4 -I sntp/libopts/m4
 
 NULL =
 
+# moved sntp first to get libtool and libevent built.
+
 SUBDIRS =		\
+	sntp		\
 	scripts		\
 	include		\
 	libntp		\
@@ -17,7 +20,6 @@ SUBDIRS =		\
 	clockstuff	\
 	kernel		\
 	util		\
-	sntp		\
 	tests		\
 	$(NULL)
 
@@ -64,7 +66,6 @@ BUILT_SOURCES =				\
 	.gcc-warning			\
 	libtool				\
 	html/.datecheck			\
-	sntp/built-sources-only		\
 	$(srcdir)/COPYRIGHT		\
 	$(srcdir)/.checkChangeLog	\
 	$(NULL)
diff --git a/configure.ac b/configure.ac
index a7d344a21..dd73795fa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,7 +102,7 @@ esac
 enable_nls=no
 LIBOPTS_CHECK_NOBUILD([sntp/libopts])
 
-NTP_ENABLE_LOCAL_LIBEVENT
+NTP_LIBEVENT_CHECK_NOBUILD([2], [sntp/libevent])
 
 NTP_LIBNTP
 
@@ -771,6 +771,10 @@ esac
 
 #### 
 
+AC_CHECK_FUNCS([arc4random_buf])
+
+#### 
+
 saved_LIBS="$LIBS"
 LIBS="$LIBS $LDADD_LIBNTP"
 AC_CHECK_FUNCS([daemon])
diff --git a/libntp/ntp_crypto_rnd.c b/libntp/ntp_crypto_rnd.c
index 62a808db3..6cc8f5d7e 100644
--- a/libntp/ntp_crypto_rnd.c
+++ b/libntp/ntp_crypto_rnd.c
@@ -24,6 +24,21 @@
 int crypto_rand_init = 0;
 #endif
 
+#ifndef HAVE_ARC4RANDOM_BUF
+static void
+arc4random_buf(void *buf, size_t nbytes);
+
+void
+evutil_secure_rng_get_bytes(void *buf, size_t nbytes);
+
+static void
+arc4random_buf(void *buf, size_t nbytes)
+{
+	evutil_secure_rng_get_bytes(buf, nbytes);
+	return;
+}
+#endif
+
 /*
  * As of late 2014, here's how we plan to provide cryptographic-quality
  * random numbers:
diff --git a/sntp/configure.ac b/sntp/configure.ac
index e10346849..172c6b1a1 100644
--- a/sntp/configure.ac
+++ b/sntp/configure.ac
@@ -97,11 +97,14 @@ esac
 enable_nls=no
 LIBOPTS_CHECK
 
-AM_COND_IF(
-    [BUILD_SNTP],
-    [NTP_LIBEVENT_CHECK],
-    [NTP_LIBEVENT_CHECK_NOBUILD]
-)
+# From when we only used libevent for sntp:
+#AM_COND_IF(
+#    [BUILD_SNTP],
+#    [NTP_LIBEVENT_CHECK],
+#    [NTP_LIBEVENT_CHECK_NOBUILD]
+#)
+
+NTP_LIBEVENT_CHECK([2])
 
 # Checks for libraries.
 
diff --git a/sntp/m4/ntp_libevent.m4 b/sntp/m4/ntp_libevent.m4
index 5f81ae905..54174f05a 100644
--- a/sntp/m4/ntp_libevent.m4
+++ b/sntp/m4/ntp_libevent.m4
@@ -1,4 +1,25 @@
-dnl NTP_ENABLE_LOCAL_LIBEVENT				     -*- Autoconf -*-
+# SYNOPSIS						-*- Autoconf -*-
+#
+#  NTP_ENABLE_LOCAL_LIBEVENT
+#  NTP_LIBEVENT_CHECK([MINVERSION [, DIR]])
+#  NTP_LIBEVENT_CHECK_NOBUILD([MINVERSION [, DIR]])
+#
+# DESCRIPTION
+#
+# AUTHOR
+#
+#  Harlan Stenn
+#
+# LICENSE
+#
+#  This file is Copyright (c) 2014 Network Time Foundation
+# 
+#  Copying and distribution of this file, with or without modification, are
+#  permitted in any medium without royalty provided the copyright notice,
+#  author attribution and this notice are preserved.  This file is offered
+#  as-is, without any warranty.
+
+dnl NTP_ENABLE_LOCAL_LIBEVENT
 dnl
 dnl Provide only the --enable-local-libevent command-line option.
 dnl
@@ -29,7 +50,7 @@ dnl If NOBUILD is provided as the 3rd argument, do all of the above,
 dnl but DO NOT invoke DIR/configure if we are going to use our bundled
 dnl version.  This may be the case for nested packages.
 dnl
-dnl provide --enable-local-libevent .
+dnl provides: --enable-local-libevent 
 dnl
 dnl Examples:
 dnl
diff --git a/util/Makefile.am b/util/Makefile.am
index 4265e0b4b..88bf7cb02 100644
--- a/util/Makefile.am
+++ b/util/Makefile.am
@@ -19,6 +19,7 @@ AM_LDFLAGS = $(LDFLAGS_NTP)
 LDADD=		../libntp/libntp.a $(LDADD_LIBNTP) $(LIBM) $(PTHREAD_LIBS)
 tg2_LDADD=	../libntp/libntp.a $(LDADD_LIBNTP) $(LIBM)
 ntp_keygen_LDADD  = version.o $(LIBOPTS_LDADD) ../libntp/libntp.a
+ntp_keygen_LDADD += $(LDADD_LIBEVENT)
 ntp_keygen_LDADD += $(LDADD_LIBNTP) $(PTHREAD_LIBS) $(LDADD_NTP) $(LIBM)
 ntp_keygen_SOURCES = ntp-keygen.c ntp-keygen-opts.c ntp-keygen-opts.h