]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/extended.c
Remove lint
[openldap] / servers / slapd / extended.c
index a9143e4ed8d6ab539b7de7c899654d8b03e5a53e..9a011b818e4eb587586cb0a9b2424bd334d93ade 100644 (file)
@@ -1,5 +1,6 @@
+/* $OpenLDAP$ */
 /* 
- * Copyright 1999 The OpenLDAP Foundation.
+ * Copyright 1999-2000 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms are permitted only
 /*
  * LDAPv3 Extended Operation Request
  *     ExtendedRequest ::= [APPLICATION 23] SEQUENCE {
- *             requestName      [0] LDAPOID,
- *             requestValue     [1] OCTET STRING OPTIONAL
+ *             requestName      [0] LDAPOID,
+ *             requestValue     [1] OCTET STRING OPTIONAL
  *     }
  *
  * LDAPv3 Extended Operation Response
  *     ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
  *             COMPONENTS OF LDAPResult,
- *             responseName     [10] LDAPOID OPTIONAL,
- *             response         [11] OCTET STRING OPTIONAL
+ *             responseName     [10] LDAPOID OPTIONAL,
+ *             response         [11] OCTET STRING OPTIONAL
  *     }
  *
  */
 
 #include "slap.h"
 
-char *supportedExtensions[] = {
-       NULL
-};
+#define MAX_OID_LENGTH 128
 
+typedef struct extop_list_t {
+       struct extop_list_t *next;
+       char *oid;
+       SLAP_EXTOP_MAIN_FN ext_main;
+} extop_list_t;
+
+extop_list_t *supp_ext_list = NULL;
+
+/* this list of built-in extops is for extops that are not part
+ * of backends or in external modules. essentially, this is
+ * just a way to get built-in extops onto the extop list without
+ * having a separate init routine for each built-in extop.
+ */
+struct {
+       char *oid;
+       SLAP_EXTOP_MAIN_FN ext_main;
+} builtin_extops[] = {
+#ifdef HAVE_TLS
+               { LDAP_EXOP_START_TLS, starttls_extop },
+#endif
+               { LDAP_EXOP_X_MODIFY_PASSWD, passwd_extop },
+               { NULL, NULL }
+       };
+
+
+static extop_list_t *find_extop( extop_list_t *list, char *oid );
+
+char *
+get_supported_extop (int index)
+{
+       extop_list_t *ext;
+
+       /* linear scan is slow, but this way doesn't force a
+        * big change on root_dse.c, where this routine is used.
+        */
+       for (ext = supp_ext_list; ext != NULL && --index >= 0; ext = ext->next) ;
+       if (ext == NULL)
+               return(NULL);
+       return(ext->oid);
+}
 
 int
 do_extended(
@@ -43,46 +82,77 @@ do_extended(
 )
 {
        int rc = LDAP_SUCCESS;
-       char* reqoid ;
-       struct berval reqdata;
+       char* reqoid;
+       struct berval *reqdata;
        ber_tag_t tag;
        ber_len_t len;
+       extop_list_t *ext;
+       const char *text;
+       struct berval **refs;
+       char *rspoid;
+       struct berval *rspdata;
+       LDAPControl **rspctrls;
 
+#ifdef NEW_LOGGING
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+                  "do_extended: conn %d\n", conn->c_connid ));
+#else
        Debug( LDAP_DEBUG_TRACE, "do_extended\n", 0, 0, 0 );
-
+#endif
        reqoid = NULL;
-       reqdata.bv_val = NULL;
+       reqdata = NULL;
 
        if( op->o_protocol < LDAP_VERSION3 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "do_extended: protocol version (%d) too low.\n", op->o_protocol ));
+#else
                Debug( LDAP_DEBUG_ANY, "do_extended: protocol version (%d) too low\n",
                        op->o_protocol, 0 ,0 );
+#endif
                send_ldap_disconnect( conn, op,
                        LDAP_PROTOCOL_ERROR, "requires LDAPv3" );
                rc = -1;
                goto done;
        }
 
-       if ( ber_scanf( op->o_ber, "a", &reqoid ) == LBER_ERROR ) {
+       if ( ber_scanf( op->o_ber, "{a" /*}*/, &reqoid ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "do_extended: conn %d  ber_scanf failed\n", conn->c_connid ));
+#else
                Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
+#endif
                send_ldap_disconnect( conn, op,
                        LDAP_PROTOCOL_ERROR, "decoding error" );
                rc = -1;
                goto done;
        }
 
-       if( !charray_inlist( supportedExtensions, reqoid ) ) {
+       if( !(ext = find_extop(supp_ext_list, reqoid)) ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "do_extended: conn %d  unsupported operation \"%s\"\n",
+                          conn->c_connid, reqoid ));
+#else
                Debug( LDAP_DEBUG_ANY, "do_extended: unsupported operation \"%s\"\n",
                        reqoid, 0 ,0 );
+#endif
                send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-                       NULL, "unsuppored extended operation", NULL, NULL );
+                       NULL, "unsupported extended operation", NULL, NULL );
                goto done;
        }
 
        tag = ber_peek_tag( op->o_ber, &len );
        
        if( ber_peek_tag( op->o_ber, &len ) == LDAP_TAG_EXOP_REQ_VALUE ) {
-               if( ber_scanf( op->o_ber, "o", &reqdata ) != LBER_ERROR ) {
+               if( ber_scanf( op->o_ber, "O", &reqdata ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                                  "do_extended: conn %d  ber_scanf failed\n", conn->c_connid ));
+#else
                        Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
+#endif
                        send_ldap_disconnect( conn, op,
                                LDAP_PROTOCOL_ERROR, "decoding error" );
                        rc = -1;
@@ -91,22 +161,120 @@ do_extended(
        }
 
        if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "do_extended: conn %d  get_ctrls failed\n", conn->c_connid ));
+#else
                Debug( LDAP_DEBUG_ANY, "do_extended: get_ctrls failed\n", 0, 0 ,0 );
+#endif
                return rc;
        } 
 
-       Debug( LDAP_DEBUG_ARGS, "do_extended: oid \"%s\"\n", reqoid, 0 ,0 );
+#ifdef NEW_LOGGING
+       LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+                  "do_extended: conn %d  oid=%d\n.", conn->c_connid, reqoid ));
+#else
+       Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n", reqoid, 0 ,0 );
+#endif
+       rspoid = NULL;
+       rspdata = NULL;
+       rspctrls = NULL;
+       text = NULL;
+       refs = NULL;
+
+       rc = (ext->ext_main)( conn, op,
+               reqoid, reqdata,
+               &rspoid, &rspdata, &rspctrls, &text, &refs );
+
+       if( rc != SLAPD_ABANDON ) {
+               if (rc == LDAP_REFERRAL) {
+                       refs = default_referral;
+               }
+
+               send_ldap_extended( conn, op, rc, NULL, text, refs,
+                       rspoid, rspdata, rspctrls );
+       }
 
-       send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-               NULL, "unsupported extended operation", NULL, NULL );
+       if ( rspoid != NULL ) {
+               free( rspoid );
+       }
+
+       if ( rspdata != NULL )
+               ber_bvfree( rspdata );
 
 done:
+       if ( reqdata != NULL ) {
+               ber_bvfree( reqdata );
+       }
        if ( reqoid != NULL ) {
                free( reqoid );
        }
-       if ( reqdata.bv_val != NULL ) {
-               free( reqdata.bv_val );
-       }
 
        return rc;
 }
+
+int
+load_extop(
+       const char *ext_oid,
+       SLAP_EXTOP_MAIN_FN ext_main )
+{
+       extop_list_t *ext;
+
+       if( ext_oid == NULL || *ext_oid == '\0' ) return -1; 
+       if(!ext_main) return -1; 
+
+       ext = ch_calloc(1, sizeof(extop_list_t));
+       if (ext == NULL)
+               return(-1);
+
+       ext->oid = ch_strdup( ext_oid );
+       if (ext->oid == NULL) {
+               free(ext);
+               return(-1);
+       }
+
+       ext->ext_main = ext_main;
+       ext->next = supp_ext_list;
+
+       supp_ext_list = ext;
+
+       return(0);
+}
+
+int
+extops_init (void)
+{
+       int i;
+
+       for (i = 0; builtin_extops[i].oid != NULL; i++) {
+               load_extop(builtin_extops[i].oid, builtin_extops[i].ext_main);
+       }
+       return(0);
+}
+
+int
+extops_kill (void)
+{
+       extop_list_t *ext;
+
+       /* we allocated the memory, so we have to free it, too. */
+       while ((ext = supp_ext_list) != NULL) {
+               supp_ext_list = ext->next;
+               if (ext->oid != NULL)
+                       ch_free(ext->oid);
+               ch_free(ext);
+       }
+       return(0);
+}
+
+static extop_list_t *
+find_extop( extop_list_t *list, char *oid )
+{
+       extop_list_t *ext;
+
+       for (ext = list; ext; ext = ext->next) {
+               if (strcmp(ext->oid, oid) == 0)
+                       return(ext);
+       }
+       return(NULL);
+}