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 
dcom_register_proxy(struct IUnknown_vtable * proxy_vtable)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 
dcom_proxy_vtable_by_iid(struct GUID * iid)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 
dcom_register_marshal(struct GUID * clsid,marshal_fn marshal,unmarshal_fn unmarshal)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 
dcom_marshal_by_clsid(struct GUID * clsid)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 
dcom_unmarshal_by_clsid(struct GUID * clsid)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 
93