source/lib/dcom/common/tables.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    DCOM interface and class tables
   4    Copyright (C) 2004 Jelmer Vernooij <jelmer@samba.org>
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "includes.h"
  22 #include "dlinklist.h"
  23
  24 static struct class_list {
  25         struct class_list *prev, *next;
  26         struct dcom_class class;
  27 } *classes = NULL;
  28
  29 static struct interface_list {
  30         struct interface_list *prev, *next;
  31         struct dcom_interface interface;
  32 } *interfaces = NULL;
  33
  34 const struct dcom_interface *dcom_interface_by_iid(const struct GUID *iid)
  35 {
  36         struct interface_list *l = interfaces;
  37
  38         while(l) {
  39
  40                 if (GUID_equal(iid, &l->interface.iid))
  41                         return &l->interface;
  42
  43                 l = l->next;
  44         }
  45
  46         return NULL;
  47 }
  48
  49 const struct dcom_class *dcom_class_by_clsid(const struct GUID *clsid)
  50 {
  51         struct class_list *c = classes;
  52
  53         while(c) {
  54
  55                 if (GUID_equal(clsid, &c->class.clsid)) {
  56                         return &c->class;
  57                 }
  58
  59                 c = c->next;
  60         }
  61
  62         return NULL;
  63 }
  64
  65 const void *dcom_proxy_vtable_by_iid(const struct GUID *iid)
  66 {
  67         const struct dcom_interface *iface = dcom_interface_by_iid(iid);
  68
  69         if (!iface) {
  70                 return NULL;
  71         }
  72
  73         return iface->proxy_vtable;
  74 }
  75
  76 NTSTATUS dcom_register_interface(const void *_iface)
  77 {
  78         const struct dcom_interface *iface = _iface;
  79         struct interface_list *l;
  80
  81         l = talloc_zero_p(interfaces?interfaces:talloc_autofree_context(),
  82                           struct interface_list);
  83
  84         l->interface = *iface;
  85
  86         DLIST_ADD(interfaces, l);
  87
  88         return NT_STATUS_OK;
  89 }
  90
  91 NTSTATUS dcom_register_class(const void *_class)
  92 {
  93         const struct dcom_class *class = _class;
  94         struct class_list *l = talloc_zero_p(classes?classes:talloc_autofree_context(),
  95                                              struct class_list);
  96
  97         l->class = *class;
  98
  99         DLIST_ADD(classes, l);
 100
 101         return NT_STATUS_OK;
 102 }