openldap/clients/tools/ldappasswd.c
2003-01-20 20:11:57 +00:00

328 lines
6.3 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#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 char *newpw = NULL;
static char *oldpw = NULL;
static int want_newpw = 0;
static int want_oldpw = 0;
void
usage( void )
{
fprintf(stderr,
"Change password of an LDAP user\n\n"
"usage: %s [options] [user]\n"
" user: the autentication identity, commonly a DN\n"
"Password change options:\n"
" -a secret old password\n"
" -A prompt for old password\n"
" -s secret new password\n"
" -S prompt for new password\n"
, prog );
tool_common_usage();
exit( EXIT_FAILURE );
}
const char options[] = "a:As:S"
"Cd:D:e:h:H:InO:p:QR:U:vVw:WxX:Y:Z";
int
handle_private_option( int i )
{
switch ( i ) {
#if 0
int crit;
char *control, *cvalue;
case 'E': /* passwd controls */
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 control name: %s\n", control );
usage();
#endif
case 'a': /* old password (secret) */
oldpw = strdup (optarg);
{
char* p;
for( p = optarg; *p != '\0'; p++ ) {
*p = '\0';
}
}
break;
case 'A': /* prompt for old password */
want_oldpw++;
break;
case 's': /* new password (secret) */
newpw = strdup (optarg);
{
char* p;
for( p = optarg; *p != '\0'; p++ ) {
*p = '\0';
}
}
break;
case 'S': /* prompt for user password */
want_newpw++;
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;
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( want_oldpw && oldpw == NULL ) {
/* prompt for old password */
char *ckoldpw;
oldpw = strdup(getpassphrase("Old password: "));
ckoldpw = getpassphrase("Re-enter old password: ");
if( oldpw== NULL || ckoldpw == NULL ||
strcmp( oldpw, ckoldpw ))
{
fprintf( stderr, "passwords do not match\n" );
return EXIT_FAILURE;
}
}
if( want_newpw && newpw == NULL ) {
/* prompt for new password */
char *cknewpw;
newpw = strdup(getpassphrase("New password: "));
cknewpw = getpassphrase("Re-enter new password: ");
if( newpw== NULL || cknewpw == NULL ||
strcmp( newpw, cknewpw ))
{
fprintf( stderr, "passwords do not match\n" );
return EXIT_FAILURE;
}
}
if (want_bindpw && passwd.bv_val == NULL ) {
/* handle bind password */
passwd.bv_val = strdup( getpassphrase("Enter bind password: "));
passwd.bv_len = passwd.bv_val ? strlen( passwd.bv_val ) : 0;
}
ld = tool_conn_setup( 0, 0 );
tool_bind( ld );
if ( authzid || manageDSAit || noop )
tool_server_controls( ld, NULL, 0 );
if( user != NULL || oldpw != NULL || newpw != NULL ) {
/* build change password control */
ber = ber_alloc_t( LBER_USE_DER );
if( ber == NULL ) {
perror( "ber_alloc_t" );
ldap_unbind( ld );
return EXIT_FAILURE;
}
ber_printf( ber, "{" /*}*/ );
if( user != NULL ) {
ber_printf( ber, "ts",
LDAP_TAG_EXOP_MODIFY_PASSWD_ID, user );
free(user);
}
if( oldpw != NULL ) {
ber_printf( ber, "ts",
LDAP_TAG_EXOP_MODIFY_PASSWD_OLD, oldpw );
free(oldpw);
}
if( newpw != NULL ) {
ber_printf( ber, "ts",
LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, newpw );
free(newpw);
}
ber_printf( ber, /*{*/ "N}" );
rc = ber_flatten2( ber, &bv, 0 );
if( rc < 0 ) {
perror( "ber_flatten2" );
ldap_unbind( ld );
return EXIT_FAILURE;
}
}
if ( not ) {
rc = LDAP_SUCCESS;
goto skip;
}
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 ) {
ldap_perror( ld, "ldap_extended_operation" );
ldap_unbind( ld );
return EXIT_FAILURE;
}
rc = ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ALL, NULL, &res );
if ( rc < 0 ) {
ldap_perror( ld, "ldappasswd: ldap_result" );
return rc;
}
rc = ldap_parse_result( ld, res, &code, &matcheddn, &text, &refs, NULL, 0 );
if( rc != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_parse_result" );
return rc;
}
rc = ldap_parse_extended_result( ld, res, &retoid, &retdata, 1 );
if( rc != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_parse_result" );
return rc;
}
if( retdata != NULL ) {
ber_tag_t tag;
char *s;
ber = ber_init( retdata );
if( ber == NULL ) {
perror( "ber_init" );
ldap_unbind( ld );
return EXIT_FAILURE;
}
/* 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);
free( s );
}
ber_free( ber, 1 );
}
if( verbose || code != LDAP_SUCCESS || matcheddn || text || refs ) {
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] );
}
}
}
ber_memfree( text );
ber_memfree( matcheddn );
ber_memvfree( (void **) refs );
ber_memfree( retoid );
ber_bvfree( retdata );
skip:
/* disconnect from server */
ldap_unbind (ld);
return code == LDAP_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE;
}