source4/lib/com/dcom/tables.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    DCOM proxy tables functionality
   4    Copyright (C) 2005 Jelmer Vernooij <jelmer@samba.org>
   5    Copyright (C) 2006 Andrzej Hajda <andrzej.hajda@wp.pl>
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23 #include "../lib/util/dlinklist.h"
  24 #include "librpc/gen_ndr/com_dcom.h"
  25 #include "lib/com/dcom/dcom.h"
  26
  27 static struct dcom_proxy {
  28         struct IUnknown_vtable *vtable;
  29         struct dcom_proxy *prev, *next;
  30 }  *proxies = NULL;
  31
  32 NTSTATUS dcom_register_proxy(struct IUnknown_vtable *proxy_vtable)
  33 {
  34         struct dcom_proxy *proxy = talloc(talloc_autofree_context(), struct dcom_proxy);
  35
  36         proxy->vtable = proxy_vtable;
  37         DLIST_ADD(proxies, proxy);
  38
  39         return NT_STATUS_OK;
  40 }
  41
  42 struct IUnknown_vtable *dcom_proxy_vtable_by_iid(struct GUID *iid)
  43 {
  44         struct dcom_proxy *p;
  45         for (p = proxies; p; p = p->next) {
  46                 if (GUID_equal(&p->vtable->iid, iid)) {
  47                         return p->vtable;
  48                 }
  49         }
  50         return NULL;
  51 }
  52
  53 static struct dcom_marshal {
  54         struct GUID clsid;
  55         marshal_fn marshal;
  56         unmarshal_fn unmarshal;
  57         struct dcom_marshal *prev, *next;
  58 }  *marshals = NULL;
  59
  60 NTSTATUS dcom_register_marshal(struct GUID *clsid, marshal_fn marshal, unmarshal_fn unmarshal)
  61 {
  62         struct dcom_marshal *p = talloc(talloc_autofree_context(), struct dcom_marshal);
  63
  64         p->clsid = *clsid;
  65         p->marshal = marshal;
  66         p->unmarshal = unmarshal;
  67         DLIST_ADD(marshals, p);
  68         return NT_STATUS_OK;
  69 }
  70
  71 _PUBLIC_ marshal_fn dcom_marshal_by_clsid(struct GUID *clsid)
  72 {
  73         struct dcom_marshal *p;
  74         for (p = marshals; p; p = p->next) {
  75                 if (GUID_equal(&p->clsid, clsid)) {
  76                         return p->marshal;
  77                 }
  78         }
  79         return NULL;
  80 }
  81
  82 _PUBLIC_ unmarshal_fn dcom_unmarshal_by_clsid(struct GUID *clsid)
  83 {
  84         struct dcom_marshal *p;
  85         for (p = marshals; p; p = p->next) {
  86                 if (GUID_equal(&p->clsid, clsid)) {
  87                         return p->unmarshal;
  88                 }
  89         }
  90         return NULL;
  91 }
  92