dix: add new, combined resource lookup function. Move all dix lookup API

deprecated so far to a new file dix/deprecated.c.  Remove the deprecation
warnings for the time being.

4 files changed, 187 insertions, 129 deletions

diff --git a/dix/Makefile.am b/dix/Makefile.am
index a1f02c1b6..ff0d5d68c 100644
--- a/dix/Makefile.am
+++ b/dix/Makefile.am
@@ -8,6 +8,7 @@ libdix_la_SOURCES = 	\
 	atom.c		\
 	colormap.c	\
 	cursor.c	\
+	deprecated.c	\
 	devices.c	\
 	dispatch.c	\
 	dispatch.h	\
diff --git a/dix/deprecated.c b/dix/deprecated.c
new file mode 100644
index 000000000..2bb81190c
--- /dev/null
+++ b/dix/deprecated.c
@@ -0,0 +1,162 @@
+/***********************************************************
+
+Copyright 1987, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "dix.h"
+#include "misc.h"
+#include "dixstruct.h"
+
+/*
+ * These are deprecated compatibility functions and will be marked as such
+ * and removed soon!
+ *
+ * Please use the noted replacements instead.
+ */
+
+/* replaced by dixLookupWindow */
+_X_EXPORT WindowPtr
+SecurityLookupWindow(XID id, ClientPtr client, Mask access_mode)
+{
+    WindowPtr pWin;
+    int i = dixLookupWindow(&pWin, id, client, access_mode);
+    static int warn = 1;
+    if (warn > 0 && --warn)
+	ErrorF("Warning: LookupWindow()/SecurityLookupWindow() "
+	       "are deprecated.  Please convert your driver/module "
+	       "to use dixLookupWindow().\n");
+    return (i == Success) ? pWin : NULL;
+}
+
+/* replaced by dixLookupWindow */
+_X_EXPORT WindowPtr
+LookupWindow(XID id, ClientPtr client)
+{
+    return SecurityLookupWindow(id, client, DixUnknownAccess);
+}
+
+/* replaced by dixLookupDrawable */
+_X_EXPORT pointer
+SecurityLookupDrawable(XID id, ClientPtr client, Mask access_mode)
+{
+    DrawablePtr pDraw;
+    int i = dixLookupDrawable(&pDraw, id, client, M_DRAWABLE, access_mode);
+    static int warn = 1;
+    if (warn > 0 && --warn)
+	ErrorF("Warning: LookupDrawable()/SecurityLookupDrawable() "
+	       "are deprecated.  Please convert your driver/module "
+	       "to use dixLookupDrawable().\n");
+    return (i == Success) ? pDraw : NULL;
+}
+
+/* replaced by dixLookupDrawable */
+_X_EXPORT pointer
+LookupDrawable(XID id, ClientPtr client)
+{
+    return SecurityLookupDrawable(id, client, DixUnknownAccess);
+}
+
+/* replaced by dixLookupClient */
+_X_EXPORT ClientPtr
+LookupClient(XID id, ClientPtr client)
+{
+    ClientPtr pClient;
+    int i = dixLookupClient(&pClient, id, client, DixUnknownAccess);
+    static int warn = 1;
+    if (warn > 0 && --warn)
+	ErrorF("Warning: LookupClient() is deprecated.  Please convert your "
+	       "driver/module to use dixLookupClient().\n");
+    return (i == Success) ? pClient : NULL;
+}
+
+/* replaced by dixLookupResource */
+_X_EXPORT pointer
+SecurityLookupIDByType(ClientPtr client, XID id, RESTYPE rtype,
+		       Mask access_mode)
+{
+    pointer retval;
+    int i = dixLookupResource(&retval, id, rtype, client, access_mode);
+    static int warn = 1;
+    if (warn > 0 && --warn)
+	ErrorF("Warning: LookupIDByType()/SecurityLookupIDByType() "
+	       "are deprecated.  Please convert your driver/module "
+	       "to use dixLookupResource().\n");
+    return (i == Success) ? retval : NULL;
+}
+
+/* replaced by dixLookupResource */
+_X_EXPORT pointer
+SecurityLookupIDByClass(ClientPtr client, XID id, RESTYPE classes,
+			Mask access_mode)
+{
+    pointer retval;
+    int i = dixLookupResource(&retval, id, classes, client, access_mode);
+    static int warn = 1;
+    if (warn > 0 && --warn)
+	ErrorF("Warning: LookupIDByClass()/SecurityLookupIDByClass() "
+	       "are deprecated.  Please convert your driver/module "
+	       "to use dixLookupResource().\n");
+    return (i == Success) ? retval : NULL;
+}
+
+/* replaced by dixLookupResource */
+_X_EXPORT pointer
+LookupIDByType(XID id, RESTYPE rtype)
+{
+    return SecurityLookupIDByType(NullClient, id, rtype, DixUnknownAccess);
+}
+
+/* replaced by dixLookupResource */
+_X_EXPORT pointer
+LookupIDByClass(XID id, RESTYPE classes)
+{
+    return SecurityLookupIDByClass(NullClient, id, classes, DixUnknownAccess);
+}
+
+/* end deprecated functions */
diff --git a/dix/dixutils.c b/dix/dixutils.c
index 44d82c944..94e0f2cc1 100644
--- a/dix/dixutils.c
+++ b/dix/dixutils.c
@@ -223,8 +223,8 @@ dixLookupDrawable(DrawablePtr *pDraw, XID id, ClientPtr client,
 	if (!XaceHook(XACE_RESOURCE_ACCESS, client, id, rtype, access, pTmp))
 	    return BadDrawable;
     } else
-	pTmp = (DrawablePtr)SecurityLookupIDByClass(client, id, RC_DRAWABLE,
-						   access);
+	dixLookupResource((void **)&pTmp, id, RC_DRAWABLE, client, access);
+
     if (!pTmp)
 	return BadDrawable;
     if (!((1 << pTmp->type) & (type ? type : M_DRAWABLE)))
@@ -264,11 +264,12 @@ dixLookupGC(GCPtr *pGC, XID id, ClientPtr client, Mask access)
 _X_EXPORT int
 dixLookupClient(ClientPtr *pClient, XID rid, ClientPtr client, Mask access)
 {
-    pointer pRes = (pointer)SecurityLookupIDByClass(client, rid, RC_ANY,
-						    DixReadAccess);
+    pointer pRes;
     int clientIndex = CLIENT_ID(rid);
     client->errorValue = rid;
 
+    dixLookupResource(&pRes, rid, RC_ANY, client, DixReadAccess);
+
     if (clientIndex && pRes && clients[clientIndex] && !(rid & SERVER_BIT)) {
 	*pClient = clients[clientIndex];
 	return Success;
@@ -277,62 +278,6 @@ dixLookupClient(ClientPtr *pClient, XID rid, ClientPtr client, Mask access)
     return BadValue;
 }
 
-/*
- * These are deprecated compatibility functions and will be removed soon!
- * Please use the new dixLookup*() functions above.
- */
-_X_EXPORT _X_DEPRECATED WindowPtr
-SecurityLookupWindow(XID id, ClientPtr client, Mask access_mode)
-{
-    WindowPtr pWin;
-    int i = dixLookupWindow(&pWin, id, client, access_mode);
-    static int warn = 1;
-    if (warn-- > 0)
-	ErrorF("Warning: LookupWindow()/SecurityLookupWindow() "
-	       "are deprecated.  Please convert your driver/module "
-	       "to use dixLookupWindow().\n");
-    return (i == Success) ? pWin : NULL;
-}
-
-_X_EXPORT _X_DEPRECATED WindowPtr
-LookupWindow(XID id, ClientPtr client)
-{
-    return SecurityLookupWindow(id, client, DixUnknownAccess);
-}
-
-_X_EXPORT _X_DEPRECATED pointer
-SecurityLookupDrawable(XID id, ClientPtr client, Mask access_mode)
-{
-    DrawablePtr pDraw;
-    int i = dixLookupDrawable(&pDraw, id, client, M_DRAWABLE, access_mode);
-    static int warn = 1;
-    if (warn-- > 0)
-	ErrorF("Warning: LookupDrawable()/SecurityLookupDrawable() "
-	       "are deprecated.  Please convert your driver/module "
-	       "to use dixLookupDrawable().\n");
-    return (i == Success) ? pDraw : NULL;
-}
-
-_X_EXPORT _X_DEPRECATED pointer
-LookupDrawable(XID id, ClientPtr client)
-{
-    return SecurityLookupDrawable(id, client, DixUnknownAccess);
-}
-
-_X_EXPORT _X_DEPRECATED ClientPtr
-LookupClient(XID id, ClientPtr client)
-{
-    ClientPtr pClient;
-    int i = dixLookupClient(&pClient, id, client, DixUnknownAccess);
-    static int warn = 1;
-    if (warn-- > 0)
-	ErrorF("Warning: LookupClient() is deprecated.  Please convert your "
-	       "driver/module to use dixLookupClient().\n");
-    return (i == Success) ? pClient : NULL;
-}
-
-/* end deprecated functions */
-
 int
 AlterSaveSetForClient(ClientPtr client, WindowPtr pWin, unsigned mode,
                       Bool toRoot, Bool remap)
diff --git a/dix/resource.c b/dix/resource.c
index 81269c3b2..7530e8665 100644
--- a/dix/resource.c
+++ b/dix/resource.c
@@ -899,81 +899,31 @@ LegalNewID(XID id, ClientPtr client)
 	     !LookupIDByClass(id, RC_ANY)));
 }
 
-/* SecurityLookupIDByType and SecurityLookupIDByClass:
- * These are the heart of the resource ID security system.  They take
- * two additional arguments compared to the old LookupID functions:
- * the client doing the lookup, and the access mode (see resource.h).
- * The resource is returned if it exists and the client is allowed access,
- * else NULL is returned.
- */
-
-_X_EXPORT pointer
-SecurityLookupIDByType(ClientPtr client, XID id, RESTYPE rtype, Mask mode)
-{
-    int    cid;
-    ResourcePtr res;
-    pointer retval = NULL;
-
-    if (((cid = CLIENT_ID(id)) < MAXCLIENTS) &&
-	clientTable[cid].buckets)
-    {
-	res = clientTable[cid].resources[Hash(cid, id)];
-
-	for (; res; res = res->next)
-	    if ((res->id == id) && (res->type == rtype))
-	    {
-		retval = res->value;
-		break;
-	    }
-    }
-    if (retval && client && 
-	!XaceHook(XACE_RESOURCE_ACCESS, client, id, rtype, mode, retval))
-	retval = NULL;
-
-    return retval;
-}
-
-
-_X_EXPORT pointer
-SecurityLookupIDByClass(ClientPtr client, XID id, RESTYPE classes, Mask mode)
+_X_EXPORT int
+dixLookupResource(pointer *result, XID id, RESTYPE rtype,
+		  ClientPtr client, Mask mode)
 {
-    int    cid;
+    int cid = CLIENT_ID(id);
+    int istype = (rtype & TypeMask) && (rtype != RC_ANY);
     ResourcePtr res = NULL;
-    pointer retval = NULL;
 
-    if (((cid = CLIENT_ID(id)) < MAXCLIENTS) &&
-	clientTable[cid].buckets)
-    {
+    *result = NULL;
+    client->errorValue = id;
+
+    if ((cid < MAXCLIENTS) && clientTable[cid].buckets) {
 	res = clientTable[cid].resources[Hash(cid, id)];
 
 	for (; res; res = res->next)
-	    if ((res->id == id) && (res->type & classes))
-	    {
-		retval = res->value;
+	    if ((res->id == id) && ((istype && res->type == rtype) ||
+				    (!istype && res->type & rtype)))
 		break;
-	    }
     }
-    if (retval && client &&
-	!XaceHook(XACE_RESOURCE_ACCESS, client, id, res->type, mode, retval))
-	retval = NULL;
-
-    return retval;
-}
-
-/* We can't replace the LookupIDByType and LookupIDByClass functions with
- * macros because of compatibility with loadable servers.
- */
-
-_X_EXPORT pointer
-LookupIDByType(XID id, RESTYPE rtype)
-{
-    return SecurityLookupIDByType(NullClient, id, rtype,
-				  DixUnknownAccess);
-}
-
-_X_EXPORT pointer
-LookupIDByClass(XID id, RESTYPE classes)
-{
-    return SecurityLookupIDByClass(NullClient, id, classes,
-				   DixUnknownAccess);
+    if (res) {
+	if (client && !XaceHook(XACE_RESOURCE_ACCESS, client, id, res->type,
+				mode, res->value))
+	    return BadAccess;
+	*result = res->value;
+	return Success;
+    }
+    return BadValue;
 }