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/* ldapurl -- a tool for generating LDAP URLs */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2008-2021 The OpenLDAP Foundation.
* Portions Copyright 2008 Pierangelo Masarati, SysNet
* 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) 1992-1996 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 Pierangelo Masarati
* for inclusion in OpenLDAP software.
*/
#include "portable.h"
#include <ac/stdlib.h>
#include <stdio.h>
#include <ac/unistd.h>
#include "ldap.h"
#include "ldap_pvt.h"
#include "lutil.h"
static int
usage(void)
{
fprintf( stderr, _("usage: %s [options]\n\n"), "ldapurl" );
fprintf( stderr, _("generates RFC 4516 LDAP URL with extensions\n\n" ) );
fprintf( stderr, _("URL options:\n"));
fprintf( stderr, _(" -a attrs comma separated list of attributes\n" ) );
fprintf( stderr, _(" -b base (RFC 4514 LDAP DN)\n" ) );
fprintf( stderr, _(" -E ext (format: \"ext=value\"; multiple occurrences allowed)\n" ) );
fprintf( stderr, _(" -f filter (RFC 4515 LDAP filter)\n" ) );
fprintf( stderr, _(" -h host \n" ) );
fprintf( stderr, _(" -p port (default: 389 for ldap, 636 for ldaps)\n" ) );
fprintf( stderr, _(" -s scope (RFC 4511 searchScope and extensions)\n" ) );
fprintf( stderr, _(" -S scheme (RFC 4516 LDAP URL scheme and extensions)\n" ) );
exit( EXIT_FAILURE );
}
static int
do_uri_create( LDAPURLDesc *lud )
{
char *uri;
if ( lud->lud_scheme == NULL ) {
lud->lud_scheme = "ldap";
}
if ( lud->lud_port == -1 ) {
if ( strcasecmp( lud->lud_scheme, "ldap" ) == 0 ) {
lud->lud_port = LDAP_PORT;
} else if ( strcasecmp( lud->lud_scheme, "ldaps" ) == 0 ) {
lud->lud_port = LDAPS_PORT;
} else if ( strcasecmp( lud->lud_scheme, "ldapi" ) == 0 ) {
lud->lud_port = 0;
} else {
/* forgiving... */
lud->lud_port = 0;
}
}
if ( lud->lud_scope == -1 ) {
lud->lud_scope = LDAP_SCOPE_DEFAULT;
}
uri = ldap_url_desc2str( lud );
if ( lud->lud_attrs != NULL ) {
ldap_charray_free( lud->lud_attrs );
lud->lud_attrs = NULL;
}
if ( lud->lud_exts != NULL ) {
free( lud->lud_exts );
lud->lud_exts = NULL;
}
if ( uri == NULL ) {
fprintf( stderr, "unable to generate URI\n" );
exit( EXIT_FAILURE );
}
printf( "%s\n", uri );
free( uri );
return 0;
}
static int
do_uri_explode( const char *uri )
{
LDAPURLDesc *lud;
int rc;
rc = ldap_url_parse( uri, &lud );
if ( rc != LDAP_URL_SUCCESS ) {
fprintf( stderr, "unable to parse URI \"%s\"\n", uri );
return 1;
}
if ( lud->lud_scheme != NULL && lud->lud_scheme[0] != '\0' ) {
printf( "scheme: %s\n", lud->lud_scheme );
}
if ( lud->lud_host != NULL && lud->lud_host[0] != '\0' ) {
printf( "host: %s\n", lud->lud_host );
}
if ( lud->lud_port != 0 ) {
printf( "port: %d\n", lud->lud_port );
}
if ( lud->lud_dn != NULL && lud->lud_dn[0] != '\0' ) {
printf( "dn: %s\n", lud->lud_dn );
}
if ( lud->lud_attrs != NULL ) {
int i;
for ( i = 0; lud->lud_attrs[i] != NULL; i++ ) {
printf( "selector: %s\n", lud->lud_attrs[i] );
}
}
if ( lud->lud_scope != LDAP_SCOPE_DEFAULT ) {
printf( "scope: %s\n", ldap_pvt_scope2str( lud->lud_scope ) );
}
if ( lud->lud_filter != NULL && lud->lud_filter[0] != '\0' ) {
printf( "filter: %s\n", lud->lud_filter );
}
if ( lud->lud_exts != NULL ) {
int i;
for ( i = 0; lud->lud_exts[i] != NULL; i++ ) {
printf( "extension: %s\n", lud->lud_exts[i] );
}
}
ldap_free_urldesc( lud );
return 0;
}
int
main( int argc, char *argv[])
{
LDAPURLDesc lud = { 0 };
char *uri = NULL;
int gotlud = 0;
int nexts = 0;
lud.lud_port = -1;
lud.lud_scope = -1;
while ( 1 ) {
int opt = getopt( argc, argv, "S:h:p:b:a:s:f:E:H:" );
if ( opt == EOF ) {
break;
}
if ( opt == 'H' ) {
if ( gotlud ) {
fprintf( stderr, "option -H incompatible with previous options\n" );
usage();
}
if ( uri != NULL ) {
fprintf( stderr, "URI already provided\n" );
usage();
}
uri = optarg;
continue;
}
switch ( opt ) {
case 'S':
case 'h':
case 'p':
case 'b':
case 'a':
case 's':
case 'f':
case 'E':
if ( uri != NULL ) {
fprintf( stderr, "option -%c incompatible with -H\n", opt );
usage();
}
gotlud++;
}
switch ( opt ) {
case 'S':
if ( lud.lud_scheme != NULL ) {
fprintf( stderr, "scheme already provided\n" );
usage();
}
lud.lud_scheme = optarg;
break;
case 'h':
if ( lud.lud_host != NULL ) {
fprintf( stderr, "host already provided\n" );
usage();
}
lud.lud_host = optarg;
break;
case 'p':
if ( lud.lud_port != -1 ) {
fprintf( stderr, "port already provided\n" );
usage();
}
if ( lutil_atoi( &lud.lud_port, optarg ) ) {
fprintf( stderr, "unable to parse port \"%s\"\n", optarg );
usage();
}
break;
case 'b':
if ( lud.lud_dn != NULL ) {
fprintf( stderr, "base already provided\n" );
usage();
}
lud.lud_dn = optarg;
break;
case 'a':
if ( lud.lud_attrs != NULL ) {
fprintf( stderr, "attrs already provided\n" );
usage();
}
lud.lud_attrs = ldap_str2charray( optarg, "," );
if ( lud.lud_attrs == NULL ) {
fprintf( stderr, "unable to parse attrs list \"%s\"\n", optarg );
usage();
}
break;
case 's':
if ( lud.lud_scope != -1 ) {
fprintf( stderr, "scope already provided\n" );
usage();
}
lud.lud_scope = ldap_pvt_str2scope( optarg );
if ( lud.lud_scope == -1 ) {
fprintf( stderr, "unable to parse scope \"%s\"\n", optarg );
usage();
}
break;
case 'f':
if ( lud.lud_filter != NULL ) {
fprintf( stderr, "filter already provided\n" );
usage();
}
lud.lud_filter = optarg;
break;
case 'E':
lud.lud_exts = (char **)realloc( lud.lud_exts,
sizeof( char * ) * ( nexts + 2 ) );
lud.lud_exts[ nexts++ ] = optarg;
lud.lud_exts[ nexts ] = NULL;
break;
default:
assert( opt != 'H' );
usage();
}
}
if ( uri != NULL ) {
return do_uri_explode( uri );
}
return do_uri_create( &lud );
}
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