openldap/servers/slapd/back-ldbm/passwd.c
Kurt Zeilenga 431dad371c Fix slapd SASL/ExternalOps encoding
Add controls to extended ops API signatures, need impl.
Update password to support optional server side generation of
new password, verification of old password, and changing of
non-bound user's passwords.
1999-12-10 04:52:32 +00:00

158 lines
3.0 KiB
C

/* extended.c - ldbm backend extended routines */
/* $OpenLDAP$ */
/*
* Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "back-ldbm.h"
#include "proto-back-ldbm.h"
int
ldbm_back_exop_passwd(
Backend *be,
Connection *conn,
Operation *op,
char *oid,
struct berval *reqdata,
struct berval **rspdata,
LDAPControl *** rspctrls,
char** text
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
int rc;
Entry *e = NULL;
struct berval *hash = NULL;
struct berval *id = NULL;
struct berval *new = NULL;
char *dn;
assert( oid != NULL );
assert( strcmp( LDAP_EXOP_X_MODIFY_PASSWD, oid ) == 0 );
rc = slap_passwd_parse( reqdata,
&id, NULL, &new, text );
Debug( LDAP_DEBUG_ARGS, "==> ldbm_back_exop_passwd: \"%s\"\n",
id ? id->bv_val : "", 0, 0 );
if( rc != LDAP_SUCCESS ) {
goto done;
}
if( new == NULL || new->bv_len == 0 ) {
new = slap_passwd_generate();
if( new == NULL || new->bv_len == 0 ) {
*text = ch_strdup("password generation failed.");
rc = LDAP_OPERATIONS_ERROR;
goto done;
}
*rspdata = slap_passwd_return( new );
}
hash = slap_passwd_hash( new );
if( hash == NULL || hash->bv_len == 0 ) {
*text = ch_strdup("password hash failed");
rc = LDAP_OPERATIONS_ERROR;
goto done;
}
dn = id ? id->bv_val : op->o_dn;
Debug( LDAP_DEBUG_TRACE, "passwd: \"%s\"%s\n",
dn, id ? " (proxy)" : "", 0 );
if( dn == NULL || dn[0] == NULL ) {
*text = ch_strdup("No password is associated with the Root DSE");
rc = LDAP_OPERATIONS_ERROR;
goto done;
}
e = dn2entry_w( be, dn, NULL );
if( e == NULL ) {
*text = ch_strdup("could not locate authorization entry");
rc = LDAP_OPERATIONS_ERROR;
goto done;
}
if( ! access_allowed( be, conn, op, e, "entry", NULL, ACL_WRITE ) ) {
*text = ch_strdup("access to authorization entry denied");
rc = LDAP_INSUFFICIENT_ACCESS;
goto done;
}
if( is_entry_alias( e ) ) {
/* entry is an alias, don't allow operation */
*text = ch_strdup("authorization entry is alias");
rc = LDAP_ALIAS_PROBLEM;
goto done;
}
rc = LDAP_OPERATIONS_ERROR;
if( is_entry_referral( e ) ) {
/* entry is an referral, don't allow operation */
*text = ch_strdup("authorization entry is referral");
goto done;
}
{
LDAPModList ml;
struct berval *vals[2];
vals[0] = hash;
vals[1] = NULL;
ml.ml_type = ch_strdup("userPassword");
ml.ml_bvalues = vals;
ml.ml_op = LDAP_MOD_REPLACE | LDAP_MOD_BVALUES;
ml.ml_next = NULL;
rc = ldbm_modify_internal( be,
conn, op, op->o_ndn, &ml, e );
ch_free(ml.ml_type);
}
if( rc == LDAP_SUCCESS ) {
/* change the entry itself */
if( id2entry_add( be, e ) != 0 ) {
rc = LDAP_OPERATIONS_ERROR;
}
}
done:
if( e != NULL ) {
cache_return_entry_w( &li->li_cache, e );
}
if( id != NULL ) {
ber_bvfree( id );
}
if( new != NULL ) {
ber_bvfree( new );
}
if( hash != NULL ) {
ber_bvfree( hash );
}
return rc;
}