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diff --git a/libraries/liblber/etest.c b/libraries/liblber/etest.c
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+/* etest.c - lber encoding test program */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1990 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was originally developed by the University of Michigan
+ * (as part of U-MICH LDAP).
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/unistd.h>
+
+#ifdef HAVE_CONSOLE_H
+#include <console.h>
+#endif /* HAVE_CONSOLE_H */
+
+#include "lber.h"
+
+static void usage( const char *name )
+{
+ fprintf( stderr, "usage: %s fmtstring\n", name );
+}
+
+static char* getbuf( void ) {
+ char *p;
+ static char buf[1024];
+
+ if ( fgets( buf, sizeof(buf), stdin ) == NULL ) return NULL;
+
+ if ( (p = strchr( buf, '\n' )) != NULL ) *p = '\0';
+
+ return buf;
+}
+
+int
+main( int argc, char **argv )
+{
+ char *s;
+ int tag;
+
+ int fd, rc;
+ BerElement *ber;
+ Sockbuf *sb;
+
+ /* enable debugging */
+ int ival = -1;
+ ber_set_option( NULL, LBER_OPT_DEBUG_LEVEL, &ival );
+
+ if ( argc < 2 ) {
+ usage( argv[0] );
+ return( EXIT_FAILURE );
+ }
+
+#ifdef HAVE_CONSOLE_H
+ ccommand( &argv );
+ cshow( stdout );
+
+ if (( fd = open( "lber-test", O_WRONLY|O_CREAT|O_TRUNC|O_BINARY ))
+ < 0 ) {
+ perror( "open" );
+ return( EXIT_FAILURE );
+ }
+
+#else
+ fd = fileno(stdout);
+#endif
+
+ sb = ber_sockbuf_alloc();
+ ber_sockbuf_add_io( sb, &ber_sockbuf_io_fd, LBER_SBIOD_LEVEL_PROVIDER,
+ (void *)&fd );
+
+ if( sb == NULL ) {
+ perror( "ber_sockbuf_alloc_fd" );
+ return( EXIT_FAILURE );
+ }
+
+ if ( (ber = ber_alloc_t( LBER_USE_DER )) == NULL ) {
+ perror( "ber_alloc" );
+ return( EXIT_FAILURE );
+ }
+
+ fprintf(stderr, "encode: start\n" );
+ if( ber_printf( ber, "{" /*}*/ ) ) {
+ perror( "ber_printf {" /*}*/ );
+ return( EXIT_FAILURE );
+ }
+
+ for ( s = argv[1]; *s; s++ ) {
+ char *buf;
+ char fmt[2];
+
+ fmt[0] = *s;
+ fmt[1] = '\0';
+
+ fprintf(stderr, "encode: %s\n", fmt );
+ switch ( *s ) {
+ case 'i': /* int */
+ case 'b': /* boolean */
+ case 'e': /* enumeration */
+ buf = getbuf();
+ rc = ber_printf( ber, fmt, atoi(buf) );
+ break;
+
+ case 'n': /* null */
+ case '{': /* begin sequence */
+ case '}': /* end sequence */
+ case '[': /* begin set */
+ case ']': /* end set */
+ rc = ber_printf( ber, fmt );
+ break;
+
+ case 'o': /* octet string (non-null terminated) */
+ case 'B': /* bit string */
+ buf = getbuf();
+ rc = ber_printf( ber, fmt, buf, strlen(buf) );
+ break;
+
+ case 's': /* string */
+ buf = getbuf();
+ rc = ber_printf( ber, fmt, buf );
+ break;
+ case 't': /* tag for the next element */
+ buf = getbuf();
+ tag = atoi(buf);
+ rc = ber_printf( ber, fmt, tag );
+ break;
+
+ default:
+ fprintf( stderr, "encode: unknown fmt %c\n", *fmt );
+ rc = -1;
+ break;
+ }
+
+ if( rc == -1 ) {
+ perror( "ber_printf" );
+ return( EXIT_FAILURE );
+ }
+ }
+
+ fprintf(stderr, "encode: end\n" );
+ if( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
+ perror( /*{*/ "ber_printf }" );
+ return( EXIT_FAILURE );
+ }
+
+ if ( ber_flush2( sb, ber, LBER_FLUSH_FREE_ALWAYS ) == -1 ) {
+ perror( "ber_flush2" );
+ return( EXIT_FAILURE );
+ }
+
+ ber_sockbuf_free( sb );
+ return( EXIT_SUCCESS );
+}