From 3cb7a09eb0b8c7157c04bc1f44b45acd65248426 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Wed, 28 Aug 2002 07:12:22 +0000
Subject: [PATCH] Added check for Cyrus SASL sasl_version()

---
 configure.in              |  6 ++++++
 libraries/libldap/cyrus.c | 22 ++++++++++++++++++++++
 servers/slapd/sasl.c      | 21 +++++++++++++++++++++
 3 files changed, 49 insertions(+)

diff --git a/configure.in b/configure.in
index ce15a164b5..47204a9306 100644
--- a/configure.in
+++ b/configure.in
@@ -2194,6 +2194,12 @@ if test $ol_with_cyrus_sasl != no ; then
 		if test $ol_enable_spasswd != no ; then
 			ol_link_spasswd=yes
 		fi
+
+		ac_save_LIBS="$LIBS"
+		LIBS="$LIBS $ol_link_sasl"
+		AC_CHECK_FUNC(sasl_version, [AC_DEFINE(HAVE_SASL_VERSION,1,
+			[define if your SASL library has sasl_version()])])
+		LIBS="$ac_save_LIBS"
 	fi
 
 else
diff --git a/libraries/libldap/cyrus.c b/libraries/libldap/cyrus.c
index 5310903c0e..db6b80805b 100644
--- a/libraries/libldap/cyrus.c
+++ b/libraries/libldap/cyrus.c
@@ -56,6 +56,28 @@ int ldap_int_sasl_init( void )
 		{ SASL_CB_LIST_END, NULL, NULL }
 	};
 
+#ifdef HAVE_SASL_VERSION
+#define SASL_BUILD_VERSION ((SASL_VERSION_MAJOR << 24) |\
+	(SASL_VERSION_MINOR << 16) | SASL_VERSION_STEP)
+
+	{ int rc;
+	sasl_version( NULL, &rc );
+	if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
+		(rc & 0xffff) < SASL_VERSION_STEP) {
+
+#ifdef NEW_LOGGING
+		LDAP_LOG( TRANSPORT, INFO,
+		"ldap_int_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
+			rc, SASL_BUILD_VERSION, 0 );
+#else
+		Debug( LDAP_DEBUG_ANY,
+		"ldap_int_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
+			rc, SASL_BUILD_VERSION, 0 );
+#endif
+		return -1;
+	}
+	}
+#endif
 	if ( sasl_initialized ) {
 		return 0;
 	}
diff --git a/servers/slapd/sasl.c b/servers/slapd/sasl.c
index 2d9df14d59..b8f1d13f10 100644
--- a/servers/slapd/sasl.c
+++ b/servers/slapd/sasl.c
@@ -1091,6 +1091,27 @@ int slap_sasl_init( void )
 		{ SASL_CB_LIST_END, NULL, NULL }
 	};
 
+#ifdef HAVE_SASL_VERSION
+#define SASL_BUILD_VERSION ((SASL_VERSION_MAJOR << 24) |\
+	(SASL_VERSION_MINOR << 16) | SASL_VERSION_STEP)
+
+	sasl_version( NULL, &rc );
+	if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
+		(rc & 0xffff) < SASL_VERSION_STEP) {
+
+#ifdef NEW_LOGGING
+		LDAP_LOG( TRANSPORT, INFO,
+		"slap_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
+			rc, SASL_BUILD_VERSION, 0 );
+#else
+		Debug( LDAP_DEBUG_ANY,
+		"slap_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
+			rc, SASL_BUILD_VERSION, 0 );
+#endif
+		return -1;
+	}
+#endif
+	
 	sasl_set_alloc(
 		ber_memalloc,
 		ber_memcalloc,
-- 
2.39.5