aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/hw/nxagent/NXextension.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXextension.c')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXextension.c195
1 files changed, 195 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXextension.c b/nx-X11/programs/Xserver/hw/nxagent/NXextension.c
new file mode 100644
index 000000000..9ec6be8ef
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXextension.c
@@ -0,0 +1,195 @@
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
+/* */
+/* NXAGENT, NX protocol compression and NX extensions to this software */
+/* are copyright of the aforementioned persons and companies. */
+/* */
+/* Redistribution and use of the present software is allowed according */
+/* to terms specified in the file LICENSE which comes in the source */
+/* distribution. */
+/* */
+/* All rights reserved. */
+/* */
+/* NOTE: This software has received contributions from various other */
+/* contributors, only the core maintainers and supporters are listed as */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well. */
+/* */
+/**************************************************************************/
+
+/***********************************************************
+
+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.
+
+******************************************************************/
+
+#include "Trap.h"
+
+#include "../../dix/extension.c"
+
+int
+ProcQueryExtension(ClientPtr client)
+{
+ xQueryExtensionReply reply;
+ int i;
+ REQUEST(xQueryExtensionReq);
+
+ REQUEST_FIXED_SIZE(xQueryExtensionReq, stuff->nbytes);
+
+ memset(&reply, 0, sizeof(xQueryExtensionReply));
+ reply.type = X_Reply;
+ reply.length = 0;
+ reply.major_opcode = 0;
+ reply.sequenceNumber = client->sequence;
+
+ if ( ! NumExtensions )
+ reply.present = xFalse;
+ else
+ {
+ i = FindExtension((char *)&stuff[1], stuff->nbytes);
+ if (i < 0
+
+ /*
+ * Hide RENDER if our implementation
+ * is faulty.
+ */
+
+ || (nxagentRenderTrap && strcmp(extensions[i]->name, "RENDER") == 0)
+#ifdef XCSECURITY
+ /* don't show insecure extensions to untrusted clients */
+ || (client->trustLevel == XSecurityClientUntrusted &&
+ !extensions[i]->secure)
+#endif
+ )
+ reply.present = xFalse;
+ else
+ {
+ reply.present = xTrue;
+ reply.major_opcode = extensions[i]->base;
+ reply.first_event = extensions[i]->eventBase;
+ reply.first_error = extensions[i]->errorBase;
+ }
+ }
+ WriteReplyToClient(client, sizeof(xQueryExtensionReply), &reply);
+ return(client->noClientException);
+}
+
+int
+ProcListExtensions(ClientPtr client)
+{
+ xListExtensionsReply reply;
+ char *bufptr, *buffer;
+ int total_length = 0;
+
+ REQUEST_SIZE_MATCH(xReq);
+
+ memset(&reply, 0, sizeof(xListExtensionsReply));
+ reply.type = X_Reply;
+ reply.nExtensions = 0;
+ reply.length = 0;
+ reply.sequenceNumber = client->sequence;
+ buffer = NULL;
+
+ if ( NumExtensions )
+ {
+ register int i, j;
+
+ for (i=0; i<NumExtensions; i++)
+ {
+#ifdef XCSECURITY
+ /* don't show insecure extensions to untrusted clients */
+ if (client->trustLevel == XSecurityClientUntrusted &&
+ !extensions[i]->secure)
+ continue;
+#endif
+ /*
+ * Hide RENDER if our implementation
+ * is faulty.
+ */
+
+ if (nxagentRenderTrap && strcmp(extensions[i]->name, "RENDER") == 0)
+ continue;
+
+ total_length += strlen(extensions[i]->name) + 1;
+ reply.nExtensions += 1 + extensions[i]->num_aliases;
+ for (j = extensions[i]->num_aliases; --j >= 0;)
+ total_length += strlen(extensions[i]->aliases[j]) + 1;
+ }
+ reply.length = (total_length + 3) >> 2;
+ buffer = bufptr = (char *)malloc(total_length);
+ if (!buffer)
+ return(BadAlloc);
+ for (i=0; i<NumExtensions; i++)
+ {
+ int len;
+#ifdef XCSECURITY
+ if (client->trustLevel == XSecurityClientUntrusted &&
+ !extensions[i]->secure)
+ continue;
+#endif
+ *bufptr++ = len = strlen(extensions[i]->name);
+ memmove(bufptr, extensions[i]->name, len);
+ bufptr += len;
+ for (j = extensions[i]->num_aliases; --j >= 0;)
+ {
+ *bufptr++ = len = strlen(extensions[i]->aliases[j]);
+ memmove(bufptr, extensions[i]->aliases[j], len);
+ bufptr += len;
+ }
+ }
+ }
+ WriteReplyToClient(client, sizeof(xListExtensionsReply), &reply);
+ if (reply.length)
+ {
+ WriteToClient(client, total_length, buffer);
+ free(buffer);
+ }
+ return(client->noClientException);
+}