summaryrefslogtreecommitdiffstats
path: root/clients/tools/ldappasswd.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:11:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:11:40 +0000
commit7731832751ab9f3c6ddeb66f186d3d7fa1934a6d (patch)
treee91015872543a59be2aad26c2fea02e41b57005d /clients/tools/ldappasswd.c
parentInitial commit. (diff)
downloadopenldap-7731832751ab9f3c6ddeb66f186d3d7fa1934a6d.tar.xz
openldap-7731832751ab9f3c6ddeb66f186d3d7fa1934a6d.zip
Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'clients/tools/ldappasswd.c')
-rw-r--r--clients/tools/ldappasswd.c413
1 files changed, 413 insertions, 0 deletions
diff --git a/clients/tools/ldappasswd.c b/clients/tools/ldappasswd.c
new file mode 100644
index 0000000..fd763bb
--- /dev/null
+++ b/clients/tools/ldappasswd.c
@@ -0,0 +1,413 @@
+/* ldappasswd -- a tool for change LDAP passwords */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1998-2003 Kurt D. Zeilenga.
+ * Portions Copyright 1998-2001 Net Boolean Incorporated.
+ * Portions Copyright 2001-2003 IBM Corporation.
+ * 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:
+ * The original ldappasswd(1) tool was developed by Dave Storey (F5
+ * Network), based on other OpenLDAP client tools (which are, of
+ * course, based on U-MICH LDAP). This version was rewritten
+ * by Kurt D. Zeilenga (based on other OpenLDAP client tools).
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+
+#include <ac/ctype.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+#include <ac/unistd.h>
+
+#include <ldap.h>
+#include "lutil.h"
+#include "lutil_ldap.h"
+#include "ldap_defaults.h"
+
+#include "common.h"
+
+
+static struct berval newpw = { 0, NULL };
+static struct berval oldpw = { 0, NULL };
+
+static int want_newpw = 0;
+static int want_oldpw = 0;
+
+static char *oldpwfile = NULL;
+static char *newpwfile = NULL;
+
+void
+usage( void )
+{
+ fprintf( stderr, _("Change password of an LDAP user\n\n"));
+ fprintf( stderr,_("usage: %s [options] [user]\n"), prog);
+ fprintf( stderr, _(" user: the authentication identity, commonly a DN\n"));
+ fprintf( stderr, _("Password change options:\n"));
+ fprintf( stderr, _(" -a secret old password\n"));
+ fprintf( stderr, _(" -A prompt for old password\n"));
+ fprintf( stderr, _(" -t file read file for old password\n"));
+ fprintf( stderr, _(" -s secret new password\n"));
+ fprintf( stderr, _(" -S prompt for new password\n"));
+ fprintf( stderr, _(" -T file read file for new password\n"));
+ tool_common_usage();
+ exit( EXIT_FAILURE );
+}
+
+
+const char options[] = "a:As:St:T:"
+ "d:D:e:h:H:InNO:o:p:QR:U:vVw:WxX:y:Y:Z";
+
+int
+handle_private_option( int i )
+{
+ switch ( i ) {
+#if 0
+ case 'E': /* passwd extensions */ {
+ int crit;
+ char *control, *cvalue;
+ if( protocol == LDAP_VERSION2 ) {
+ fprintf( stderr, _("%s: -E incompatible with LDAPv%d\n"),
+ prog, protocol );
+ exit( EXIT_FAILURE );
+ }
+
+ /* should be extended to support comma separated list of
+ * [!]key[=value] parameters, e.g. -E !foo,bar=567
+ */
+
+ crit = 0;
+ cvalue = NULL;
+ if( optarg[0] == '!' ) {
+ crit = 1;
+ optarg++;
+ }
+
+ control = strdup( optarg );
+ if ( (cvalue = strchr( control, '=' )) != NULL ) {
+ *cvalue++ = '\0';
+ }
+ fprintf( stderr, _("Invalid passwd extension name: %s\n"), control );
+ usage();
+ }
+#endif
+
+ case 'a': /* old password (secret) */
+ oldpw.bv_val = strdup( optarg );
+ {
+ char* p;
+ for( p = optarg; *p != '\0'; p++ ) {
+ *p = '\0';
+ }
+ }
+ oldpw.bv_len = strlen( oldpw.bv_val );
+ break;
+
+ case 'A': /* prompt for old password */
+ want_oldpw++;
+ break;
+
+ case 's': /* new password (secret) */
+ newpw.bv_val = strdup (optarg);
+ {
+ char* p;
+ for( p = optarg; *p != '\0'; p++ ) {
+ *p = '\0';
+ }
+ }
+ newpw.bv_len = strlen( newpw.bv_val );
+ break;
+
+ case 'S': /* prompt for user password */
+ want_newpw++;
+ break;
+
+ case 't':
+ oldpwfile = optarg;
+ break;
+
+ case 'T':
+ newpwfile = optarg;
+ break;
+
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+
+int
+main( int argc, char *argv[] )
+{
+ int rc;
+ char *user = NULL;
+
+ LDAP *ld = NULL;
+ struct berval bv = {0, NULL};
+ BerElement *ber = NULL;
+
+ int id, code = LDAP_OTHER;
+ LDAPMessage *res;
+ char *matcheddn = NULL, *text = NULL, **refs = NULL;
+ char *retoid = NULL;
+ struct berval *retdata = NULL;
+ LDAPControl **ctrls = NULL;
+
+ tool_init( TOOL_PASSWD );
+ prog = lutil_progname( "ldappasswd", argc, argv );
+
+ /* LDAPv3 only */
+ protocol = LDAP_VERSION3;
+
+ tool_args( argc, argv );
+
+ if( argc - optind > 1 ) {
+ usage();
+ } else if ( argc - optind == 1 ) {
+ user = strdup( argv[optind] );
+ } else {
+ user = NULL;
+ }
+
+ if( oldpwfile ) {
+ rc = lutil_get_filed_password( oldpwfile, &oldpw );
+ if( rc ) {
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+ }
+
+ if( want_oldpw && oldpw.bv_val == NULL ) {
+ /* prompt for old password */
+ char *ckoldpw;
+ oldpw.bv_val = strdup(getpassphrase(_("Old password: ")));
+ ckoldpw = getpassphrase(_("Re-enter old password: "));
+
+ if( oldpw.bv_val == NULL || ckoldpw == NULL ||
+ strcmp( oldpw.bv_val, ckoldpw ))
+ {
+ fprintf( stderr, _("passwords do not match\n") );
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+
+ oldpw.bv_len = strlen( oldpw.bv_val );
+ }
+
+ if( newpwfile ) {
+ rc = lutil_get_filed_password( newpwfile, &newpw );
+ if( rc ) {
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+ }
+
+ if( want_newpw && newpw.bv_val == NULL ) {
+ /* prompt for new password */
+ char *cknewpw;
+ newpw.bv_val = strdup(getpassphrase(_("New password: ")));
+ cknewpw = getpassphrase(_("Re-enter new password: "));
+
+ if( newpw.bv_val == NULL || cknewpw == NULL ||
+ strcmp( newpw.bv_val, cknewpw ))
+ {
+ fprintf( stderr, _("passwords do not match\n") );
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+
+ newpw.bv_len = strlen( newpw.bv_val );
+ }
+
+ ld = tool_conn_setup( 0, 0 );
+
+ tool_bind( ld );
+
+ if( user != NULL || oldpw.bv_val != NULL || newpw.bv_val != NULL ) {
+ /* build the password modify request data */
+ ber = ber_alloc_t( LBER_USE_DER );
+
+ if( ber == NULL ) {
+ perror( "ber_alloc_t" );
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+
+ ber_printf( ber, "{" /*}*/ );
+
+ if( user != NULL ) {
+ ber_printf( ber, "ts",
+ LDAP_TAG_EXOP_MODIFY_PASSWD_ID, user );
+ free(user);
+ }
+
+ if( oldpw.bv_val != NULL ) {
+ ber_printf( ber, "tO",
+ LDAP_TAG_EXOP_MODIFY_PASSWD_OLD, &oldpw );
+ free(oldpw.bv_val);
+ }
+
+ if( newpw.bv_val != NULL ) {
+ ber_printf( ber, "tO",
+ LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, &newpw );
+ free(newpw.bv_val);
+ }
+
+ ber_printf( ber, /*{*/ "N}" );
+
+ rc = ber_flatten2( ber, &bv, 0 );
+
+ if( rc < 0 ) {
+ perror( "ber_flatten2" );
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+ }
+
+ if ( dont ) {
+ rc = LDAP_SUCCESS;
+ goto done;
+ }
+
+ tool_server_controls( ld, NULL, 0);
+
+ rc = ldap_extended_operation( ld,
+ LDAP_EXOP_MODIFY_PASSWD, bv.bv_val ? &bv : NULL,
+ NULL, NULL, &id );
+
+ ber_free( ber, 1 );
+
+ if( rc != LDAP_SUCCESS ) {
+ tool_perror( "ldap_extended_operation", rc, NULL, NULL, NULL, NULL );
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+
+ for ( ; ; ) {
+ struct timeval tv;
+
+ if ( tool_check_abandon( ld, id ) ) {
+ tool_exit( ld, LDAP_CANCELLED );
+ }
+
+ tv.tv_sec = 0;
+ tv.tv_usec = 100000;
+
+ rc = ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ALL, &tv, &res );
+ if ( rc < 0 ) {
+ tool_perror( "ldap_result", rc, NULL, NULL, NULL, NULL );
+ tool_exit( ld, rc );
+ }
+
+ if ( rc != 0 ) {
+ break;
+ }
+ }
+
+ rc = ldap_parse_result( ld, res,
+ &code, &matcheddn, &text, &refs, &ctrls, 0 );
+ if( rc != LDAP_SUCCESS ) {
+ tool_perror( "ldap_parse_result", rc, NULL, NULL, NULL, NULL );
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+
+ rc = ldap_parse_extended_result( ld, res, &retoid, &retdata, 1 );
+ if( rc != LDAP_SUCCESS ) {
+ tool_perror( "ldap_parse_extended_result", rc, NULL, NULL, NULL, NULL );
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+
+ if( retdata != NULL ) {
+ ber_tag_t tag;
+ char *s;
+ ber = ber_init( retdata );
+
+ if( ber == NULL ) {
+ perror( "ber_init" );
+ rc = EXIT_FAILURE;
+ goto done;
+ }
+
+ /* we should check the tag */
+ tag = ber_scanf( ber, "{a}", &s);
+
+ if( tag == LBER_ERROR ) {
+ perror( "ber_scanf" );
+ } else {
+ printf(_("New password: %s\n"), s);
+ ber_memfree( s );
+ }
+
+ ber_free( ber, 1 );
+
+ } else if ( code == LDAP_SUCCESS && newpw.bv_val == NULL ) {
+ tool_perror( "ldap_parse_extended_result", LDAP_DECODING_ERROR,
+ " new password expected", NULL, NULL, NULL );
+ }
+
+ if( verbose || code != LDAP_SUCCESS ||
+ ( matcheddn && *matcheddn ) || ( text && *text ) || refs || ctrls )
+ {
+ printf( _("Result: %s (%d)\n"), ldap_err2string( code ), code );
+
+ if( text && *text ) {
+ printf( _("Additional info: %s\n"), text );
+ }
+
+ if( matcheddn && *matcheddn ) {
+ printf( _("Matched DN: %s\n"), matcheddn );
+ }
+
+ if( refs ) {
+ int i;
+ for( i=0; refs[i]; i++ ) {
+ printf(_("Referral: %s\n"), refs[i] );
+ }
+ }
+
+ if( ctrls ) {
+ tool_print_ctrls( ld, ctrls );
+ ldap_controls_free( ctrls );
+ }
+ }
+
+ ber_memfree( text );
+ ber_memfree( matcheddn );
+ ber_memvfree( (void **) refs );
+ ber_memfree( retoid );
+ ber_bvfree( retdata );
+
+ rc = ( code == LDAP_SUCCESS ) ? EXIT_SUCCESS : EXIT_FAILURE;
+
+done:
+ /* disconnect from server */
+ tool_exit( ld, rc );
+}