]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/extended.c
Per ITS#419, don't require SLAPD_RLOOKUPS when HAVE_TCPD
[openldap] / servers / slapd / extended.c
index 68e5c4234c58c35c838644db78b5a608d2798b6b..a1c5c8a293a6cb64d6a04e97d287ac0b8485d506 100644 (file)
 
 #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 );
+
+static int extop_callback(
+       Connection *conn, Operation *op,
+       int msg, int arg, void *argp);
+
+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(
@@ -44,15 +86,21 @@ 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;
+       char *text;
+       struct berval **refs;
+       char *rspoid;
+       struct berval *rspdata;
+       LDAPControl **rspctrls;
 
        Debug( LDAP_DEBUG_TRACE, "do_extended\n", 0, 0, 0 );
 
        reqoid = NULL;
-       reqdata.bv_val = NULL;
+       reqdata = NULL;
 
        if( op->o_protocol < LDAP_VERSION3 ) {
                Debug( LDAP_DEBUG_ANY, "do_extended: protocol version (%d) too low\n",
@@ -71,18 +119,18 @@ do_extended(
                goto done;
        }
 
-       if( !charray_inlist( supportedExtensions, reqoid ) ) {
+       if( !(ext = find_extop(supp_ext_list, reqoid)) ) {
                Debug( LDAP_DEBUG_ANY, "do_extended: unsupported operation \"%s\"\n",
                        reqoid, 0 ,0 );
                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 ) {
                        Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
                        send_ldap_disconnect( conn, op,
                                LDAP_PROTOCOL_ERROR, "decoding error" );
@@ -96,18 +144,152 @@ do_extended(
                return rc;
        } 
 
-       Debug( LDAP_DEBUG_ARGS, "do_extended: oid \"%s\"\n", reqoid, 0 ,0 );
+       Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n", reqoid, 0 ,0 );
+
+       rspoid = NULL;
+       rspdata = NULL;
+       rspctrls = NULL;
+       text = NULL;
+       refs = NULL;
+
+       rc = (ext->ext_main)( extop_callback, conn, op,
+               reqoid, reqdata,
+               &rspoid, &rspdata, &rspctrls, &text, &refs );
 
-       send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-               NULL, "unsupported extended operation", NULL, NULL );
+       if( rc != SLAPD_ABANDON ) {
+               if (rc == LDAP_REFERRAL) {
+                       refs = default_referral;
+               }
+
+               send_ldap_extended( conn, op, rc, NULL, text, refs,
+                       rspoid, rspdata, rspctrls );
+       }
+
+       if ( rspoid != NULL ) {
+               free( rspoid );
+       }
+
+       if ( rspdata != NULL )
+               ber_bvfree( rspdata );
+
+       if ( text != NULL )
+               free(text);
 
 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);
+}
+
+int
+extop_callback(
+       Connection *conn, Operation *op,
+       int msg, int arg, void *argp)
+{
+       if (argp == NULL)
+               return(-1);
+
+       switch (msg) {
+       case SLAPD_EXTOP_GETVERSION:
+               *(int *)argp = 1;
+               return(0);
+
+       case SLAPD_EXTOP_GETPROTO:
+               *(int *)argp = op->o_protocol;
+               return(0);
+       
+       case SLAPD_EXTOP_GETAUTH:
+               *(int *)argp = op->o_authtype;
+               return(0);
+       
+       case SLAPD_EXTOP_GETDN:
+               *(char **)argp = op->o_dn;
+               return(0);
+       
+       case SLAPD_EXTOP_GETCLIENT:
+               if (conn->c_peer_domain != NULL && *conn->c_peer_domain != 0) {
+                       *(char **)argp = conn->c_peer_domain;
+                       return(0);
+               }
+               if (conn->c_peer_name != NULL && *conn->c_peer_name != 0) {
+                       *(char **)argp = conn->c_peer_name;
+                       return(0);
+               }
+               break;
+       
+       default:
+               break;
+       }
+       return(-1);
+}