#include <lutil.h>
-static int passwd_main(
+int passwd_extop(
SLAP_EXTOP_CALLBACK_FN ext_callback,
- Connection *conn, Operation *op, char *oid,
- struct berval *reqdata, struct berval **rspdata, char **text )
+ Connection *conn, Operation *op,
+ char *reqoid,
+ struct berval *reqdata,
+ char **rspoid,
+ struct berval **rspdata,
+ LDAPControl ***rspctrls,
+ char **text,
+ struct berval ***refs )
{
int rc;
- BerElement *ber;
- struct berval *cred = NULL;
- ber_int_t type;
- assert( oid != NULL );
- assert( strcmp( LDAP_EXOP_X_MODIFY_PASSWD, oid ) == 0 );
+ assert( reqoid != NULL );
+ assert( strcmp( LDAP_EXOP_X_MODIFY_PASSWD, reqoid ) == 0 );
if( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
*text = ch_strdup("only authenicated users may change passwords");
return LDAP_STRONG_AUTH_REQUIRED;
}
- if( reqdata == NULL || reqdata->bv_len == 0 ) {
- *text = ch_strdup("data missing");
- return LDAP_PROTOCOL_ERROR;
+ if( conn->c_authz_backend != NULL && conn->c_authz_backend->be_extended )
+ {
+ if( global_readonly || conn->c_authz_backend->be_readonly ) {
+ *text = ch_strdup("authorization database is read only");
+ rc = LDAP_UNWILLING_TO_PERFORM;
+
+ } else if( conn->c_authz_backend->be_update_ndn != NULL ) {
+ /* we SHOULD return a referral in this case */
+ *refs = conn->c_authz_backend->be_update_refs;
+ rc = LDAP_REFERRAL;
+
+ } else {
+ rc = conn->c_authz_backend->be_extended(
+ conn->c_authz_backend, conn, op,
+ reqoid, reqdata,
+ rspoid, rspdata, rspctrls,
+ text, refs );
+ }
+
+ } else {
+ *text = ch_strdup("operation not supported for current user");
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ }
+
+ return rc;
+}
+
+int slap_passwd_parse( struct berval *reqdata,
+ struct berval **id,
+ struct berval **old,
+ struct berval **new,
+ char **text )
+{
+ int rc = LDAP_SUCCESS;
+ ber_tag_t tag;
+ ber_len_t len;
+ BerElement *ber;
+
+ if( reqdata == NULL ) {
+ return LDAP_SUCCESS;
}
ber = ber_init( reqdata );
if( ber == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ber_init failed\n",
+ 0, 0, 0 );
*text = ch_strdup("password decoding error");
return LDAP_PROTOCOL_ERROR;
}
- rc = ber_scanf(ber, "{iO}", &type, &cred );
- ber_free( ber, 1 );
+ tag = ber_scanf( ber, "{" /*}*/ );
- if( rc == LBER_ERROR ) {
- *text = ch_strdup("data decoding error");
- return LDAP_PROTOCOL_ERROR;
+ if( tag != LBER_ERROR ) {
+ tag = ber_peek_tag( ber, &len );
}
- if( cred == NULL || cred->bv_len == 0 ) {
- *text = ch_strdup("password missing");
- return LDAP_PROTOCOL_ERROR;
+ if( tag == LDAP_TAG_EXOP_X_MODIFY_PASSWD_ID ) {
+ if( id == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ID not allowed.\n",
+ 0, 0, 0 );
+ *text = "user must change own password";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto done;
+ }
+
+ tag = ber_scanf( ber, "O", id );
+
+ if( tag == LBER_ERROR ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ID parse failed.\n",
+ 0, 0, 0 );
+ goto decoding_error;
+ }
+
+ tag = ber_peek_tag( ber, &len);
}
- if( type != 0 ) {
- ber_bvfree( cred );
- *text = ch_strdup("password type unknown");
- return LDAP_PROTOCOL_ERROR;
+ if( tag == LDAP_TAG_EXOP_X_MODIFY_PASSWD_OLD ) {
+ if( old == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: OLD not allowed.\n",
+ 0, 0, 0 );
+ *text = "use bind to verify old password";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto done;
+ }
+
+ tag = ber_scanf( ber, "O", old );
+
+ if( tag == LBER_ERROR ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ID parse failed.\n",
+ 0, 0, 0 );
+ goto decoding_error;
+ }
+
+ tag = ber_peek_tag( ber, &len);
}
- if( conn->c_authz_backend != NULL &&
- conn->c_authz_backend->be_extended )
- {
- rc = conn->c_authz_backend->be_extended(
- conn->c_authz_backend,
- conn, op,
- oid, cred, rspdata, text );
+ if( tag == LDAP_TAG_EXOP_X_MODIFY_PASSWD_NEW ) {
+ if( new == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: NEW not allowed.\n",
+ 0, 0, 0 );
+ *text = "user specified passwords disallowed";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto done;
+ }
- } else {
- *text = ch_strdup("operation not supported for current user");
- rc = LDAP_UNWILLING_TO_PERFORM;
+ tag = ber_scanf( ber, "O", new );
+
+ if( tag == LBER_ERROR ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: OLD parse failed.\n",
+ 0, 0, 0 );
+ goto decoding_error;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if( len != 0 ) {
+decoding_error:
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_passwd_parse: decoding error, len=%ld\n",
+ (long) len, 0, 0 );
+
+ *text = ch_strdup("data decoding error");
+ rc = LDAP_PROTOCOL_ERROR;
+ }
+
+done:
+ if( rc != LDAP_SUCCESS ) {
+ if( id != NULL ) {
+ ber_bvfree( *id );
+ *id = NULL;
+ }
+
+ if( old != NULL ) {
+ ber_bvfree( *old );
+ *old = NULL;
+ }
+
+ if( new != NULL ) {
+ ber_bvfree( *new );
+ *new = NULL;
+ }
}
- ber_bvfree( cred );
+ ber_free( ber, 1 );
return rc;
}
-int
-slap_passwd_init( void )
+struct berval * slap_passwd_return(
+ struct berval *cred )
{
- return load_extop( LDAP_EXOP_X_MODIFY_PASSWD, passwd_main );
+ int rc;
+ struct berval *bv;
+ BerElement *ber = ber_alloc_t(LBER_USE_DER);
+
+ assert( cred != NULL );
+
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_return: %ld\n",
+ (long) cred->bv_len, 0, 0 );
+
+ if( ber == NULL ) return NULL;
+
+ rc = ber_printf( ber, "{tO}",
+ LDAP_TAG_EXOP_X_MODIFY_PASSWD_GEN, cred );
+
+ if( rc == -1 ) {
+ ber_free( ber, 1 );
+ return NULL;
+ }
+
+ (void) ber_flatten( ber, &bv );
+
+ ber_free( ber, 1 );
+
+ return bv;
}
int
ldap_pvt_thread_mutex_lock( &crypt_mutex );
#endif
- result = lutil_passwd(
- a->a_vals[i]->bv_val,
- cred->bv_val,
- NULL );
+ result = lutil_passwd( a->a_vals[i], cred, NULL );
#ifdef SLAPD_CRYPT
ldap_pvt_thread_mutex_unlock( &crypt_mutex );
return( 1 );
}
-struct berval * slap_passwd_generate(
+struct berval * slap_passwd_generate( void )
+{
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_generate\n", 0, 0, 0 );
+
+ /*
+ * generate passwords of only 8 characters as some getpass(3)
+ * implementations truncate at 8 characters.
+ */
+ return lutil_passwd_generate( 8 );
+}
+
+struct berval * slap_passwd_hash(
struct berval * cred )
{
char* hash = default_passwd_hash ? default_passwd_hash : "{SSHA}";
- struct berval *new = ber_memalloc( sizeof(struct berval) );
-
- if( new == NULL ) return NULL;
+ struct berval *new;
#ifdef SLAPD_CRYPT
ldap_pvt_thread_mutex_lock( &crypt_mutex );
#endif
- new->bv_val = lutil_passwd_generate( cred->bv_val , hash );
+ new = lutil_passwd_hash( cred , hash );
#ifdef SLAPD_CRYPT
ldap_pvt_thread_mutex_unlock( &crypt_mutex );
#endif
- if( new->bv_val == NULL ) {
- ber_bvfree( new );
- return NULL;
- }
-
- new->bv_len = strlen( new->bv_val );
-
return new;
}
projects / openldap / blobdiff