Initialization of Datum structures to zero by memset() before first use.

If Berkeley DB version 2.x is used as a slapd back-end a not-initialized
Datum structure will raise an EINVAL error in (DB)->put().

servers/slapd/tools/centipede.c

@@ -473,6 +473,8 @@ generate_new_centroids(
 	char		**val;
 	char		last;
 
+    memset( &data, 0 , sizeof( data ));
+
 	if ( verbose ) {
 		printf( "Generating new centroids for..." );
 		fflush( stdout );
@@ -495,6 +497,9 @@ generate_new_centroids(
 
 			/* for each value */
 			for ( j = 0; val[j] != NULL; j++ ) {
+
+                memset( &key, 0 , sizeof( key ));
+
 				/* normalize the value */
 				for ( s = val[j]; *s; s++ ) {
 					if ( isascii( *s ) ) {
@@ -570,6 +575,14 @@ diff_centroids(
 		fflush( stdout );
 	}
 
+    memset( &okey, 0, sizeof( okey ));
+    memset( &nkey, 0, sizeof( nkey ));
+    memset( &olast, 0, sizeof( olast ));
+    memset( &nlast, 0, sizeof( nlast ));
+    memset( &lastkey, 0, sizeof( lastkey ));
+    memset( &key, 0, sizeof( key ));
+    memset( &data, 0, sizeof( data ));
+
 	if ( (mods = (LDAPMod **) malloc( sizeof(LDAPMod *) * 4 )) == NULL ||
 	     (mods[0] = (LDAPMod *) malloc( sizeof(LDAPMod) )) == NULL ||
 	     (mods[1] = (LDAPMod *) malloc( sizeof(LDAPMod) )) == NULL ||
@@ -832,6 +845,9 @@ full_centroid(
 		fflush( stdout );
 	}
 
+    memset( &key, 0, sizeof( key ));
+    memset( &lastkey, 0, sizeof( lastkey ));
+
 	if ( (mods = (LDAPMod **) malloc( sizeof(LDAPMod *) * 3 )) == NULL ||
 	     (mods[0] = (LDAPMod *) malloc( sizeof(LDAPMod) )) == NULL ||
 	     (mods[1] = (LDAPMod *) malloc( sizeof(LDAPMod) )) == NULL ||

servers/slapd/tools/ldbmcat.c

@@ -28,6 +28,10 @@ main( int argc, char **argv )
 
 #ifdef HAVE_BERKELEY_DB2
 	DBC	*cursorp;
+
+    memset( &key, 0, sizeof( key ));
+    memset( &last, 0, sizeof( last ));
+    memset( &data, 0, sizeof( data ));
 #endif
 
 	if ( argc < 2 || argc > 3 || ( argc == 3 && strcmp( argv[1], "-n" )

servers/slapd/tools/ldbmtest.c

@@ -68,6 +68,11 @@ main( int argc, char **argv )
 
 #ifdef HAVE_BERKELEY_DB2
 	DBC	*cursorp;
+
+    memset( &savekey, 0, sizeof( savekey ));
+    memset( &key, 0, sizeof( key ));
+    memset( &data, 0, sizeof( data ));
+    memset( &last, 0, sizeof( last ));
 #endif
 
 	tailorfile = SLAPD_DEFAULT_CONFIGFILE;

servers/slapd/tools/ldif2id2children.c

@@ -149,6 +149,9 @@ main( int argc, char **argv )
 		int		vlen;
 		Datum		key, data;
 
+        memset( &key, 0, sizeof( key ));
+        memset( &data, 0, sizeof( data ));
+
 		if ( fgets( line, sizeof(line), stdin ) != NULL ) {
 			int     len;
 
@@ -232,6 +235,9 @@ main( int argc, char **argv )
 		char	buf2[20];
 		Datum	key, data;
 
+        memset( &key, 0, sizeof( key ));
+        memset( &data, 0, sizeof( data ));
+
 		if ( fgets( line, sizeof(line), stdin ) != NULL ) {
 			int     len;
 

servers/slapd/tools/ldif2id2entry.c

@@ -141,6 +141,9 @@ main( int argc, char **argv )
 		int		vlen;
 		Datum		key, data;
 
+        memset( &key, 0, sizeof( key ));
+        memset( &data, 0, sizeof( data ));
+
 		if ( fgets( line, sizeof(line), stdin ) != NULL ) {
 			int     len, idlen;
 

servers/slapd/tools/ldif2ldbm.c

@@ -224,6 +224,9 @@ main( int argc, char **argv )
 		int		vlen, indexmask, syntaxmask;
 		Datum		key, data;
 
+        memset( &key, 0, sizeof( key ));
+        memset( &data, 0, sizeof( data ));
+
 		if ( fgets( line, sizeof(line), stdin ) != NULL ) {
 			int     len;
 

servers/slapd/tools/sizecount.c

@@ -94,6 +94,9 @@ main( int argc, char **argv )
 					Datum	key, data;
 					char	*w;
 
+                    memset( &key, 0, sizeof( key ));
+                    memset( &data, 0, sizeof( data ));
+
 					/* update value count */
 					vcount++;
 					vsize += bvals[j]->bv_len;
@@ -176,6 +179,9 @@ add(
 {
 	Datum	key, data;
 
+    memset( &key, 0, sizeof( key ));
+    memset( &data, 0, sizeof( data ));
+
 	key.dptr = s;
 	key.dsize = strlen( key.dptr ) + 1;
 	data.dptr = "";