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authormarha <marha@users.sourceforge.net>2009-07-25 20:12:58 +0000
committermarha <marha@users.sourceforge.net>2009-07-25 20:12:58 +0000
commit2553bdd7c359cd87525d367761c86932cec5adff (patch)
treeae71245933c98474a699d3e392de5820879b2018 /xorg-server/Xext/security.c
parente2c51f2ee7b0a3ea1a052fc49324057b4a4bbc78 (diff)
parent4a3dbb926ae3f5410198d7cc4f4ebe4f62eebf05 (diff)
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svn merge file:///D:/svnrepos/vcxsrv/branches/released .
Diffstat (limited to 'xorg-server/Xext/security.c')
-rw-r--r--xorg-server/Xext/security.c65
1 files changed, 33 insertions, 32 deletions
diff --git a/xorg-server/Xext/security.c b/xorg-server/Xext/security.c
index ff6c1edfa..318ef6068 100644
--- a/xorg-server/Xext/security.c
+++ b/xorg-server/Xext/security.c
@@ -40,9 +40,6 @@ in this Software without prior written authorization from The Open Group.
#include "xacestr.h"
#include "securitysrv.h"
#include <X11/extensions/securstr.h>
-#ifdef XAPPGROUP
-#include "appgroup.h"
-#endif
#include "modinit.h"
/* Extension stuff */
@@ -55,7 +52,8 @@ static RESTYPE RTEventClient;
static CallbackListPtr SecurityValidateGroupCallback = NULL;
/* Private state record */
-static DevPrivateKey stateKey = &stateKey;
+static int stateKeyIndex;
+static DevPrivateKey stateKey = &stateKeyIndex;
/* This is what we store as client security state */
typedef struct {
@@ -65,10 +63,10 @@ typedef struct {
} SecurityStateRec;
/* Extensions that untrusted clients shouldn't have access to */
-static char *SecurityUntrustedExtensions[] = {
- "RandR",
- "SECURITY",
- "XFree86-DGA",
+static char *SecurityTrustedExtensions[] = {
+ "XC-MISC",
+ "BIG-REQUESTS",
+ "XpExtension",
NULL
};
@@ -78,6 +76,7 @@ static char *SecurityUntrustedExtensions[] = {
static const Mask SecurityResourceMask =
DixGetAttrAccess | DixReceiveAccess | DixListPropAccess |
DixGetPropAccess | DixListAccess;
+static const Mask SecurityWindowExtraMask = DixRemoveAccess;
static const Mask SecurityRootWindowExtraMask =
DixReceiveAccess | DixSendAccess | DixAddAccess | DixRemoveAccess;
static const Mask SecurityDeviceMask =
@@ -378,7 +377,7 @@ ProcSecurityQueryVersion(
rep.minorVersion = SECURITY_MINOR_VERSION;
if(client->swapped)
{
- register char n;
+ char n;
swaps(&rep.sequenceNumber, n);
swaps(&rep.majorVersion, n);
swaps(&rep.minorVersion, n);
@@ -590,7 +589,7 @@ ProcSecurityGenerateAuthorization(
if (client->swapped)
{
- register char n;
+ char n;
swapl(&rep.length, n);
swaps(&rep.sequenceNumber, n);
swapl(&rep.authId, n);
@@ -663,7 +662,7 @@ SProcSecurityQueryVersion(
ClientPtr client)
{
REQUEST(xSecurityQueryVersionReq);
- register char n;
+ char n;
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xSecurityQueryVersionReq);
@@ -678,7 +677,7 @@ SProcSecurityGenerateAuthorization(
ClientPtr client)
{
REQUEST(xSecurityGenerateAuthorizationReq);
- register char n;
+ char n;
CARD32 *values;
unsigned long nvalues;
int values_offset;
@@ -705,7 +704,7 @@ SProcSecurityRevokeAuthorization(
ClientPtr client)
{
REQUEST(xSecurityRevokeAuthorizationReq);
- register char n;
+ char n;
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xSecurityRevokeAuthorizationReq);
@@ -821,6 +820,10 @@ SecurityResource(CallbackListPtr *pcbl, pointer unused, pointer calldata)
if (subj->haveState && subj->trustLevel != XSecurityClientTrusted)
((WindowPtr)rec->res)->forcedBG = TRUE;
+ /* additional permissions for specific resource types */
+ if (rec->rtype == RT_WINDOW)
+ allowed |= SecurityWindowExtraMask;
+
/* special checks for server-owned resources */
if (cid == 0) {
if (rec->rtype & RC_DRAWABLE)
@@ -839,11 +842,6 @@ SecurityResource(CallbackListPtr *pcbl, pointer unused, pointer calldata)
if (SecurityDoCheck(subj, obj, requested, allowed) == Success)
return;
-#ifdef XAPPGROUP
- if (rec->id == XagDefaultColormap(rec->client))
- return;
-#endif
-
SecurityAudit("Security: denied client %d access %x to resource 0x%x "
"of client %d on request %s\n", rec->client->index,
requested, rec->id, cid,
@@ -861,16 +859,18 @@ SecurityExtension(CallbackListPtr *pcbl, pointer unused, pointer calldata)
subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
- if (subj->haveState && subj->trustLevel != XSecurityClientTrusted)
- while (SecurityUntrustedExtensions[i])
- if (!strcmp(SecurityUntrustedExtensions[i++], rec->ext->name)) {
- SecurityAudit("Security: denied client %d access to extension "
- "%s on request %s\n",
- rec->client->index, rec->ext->name,
- SecurityLookupRequestName(rec->client));
- rec->status = BadAccess;
- return;
- }
+ if (subj->haveState && subj->trustLevel == XSecurityClientTrusted)
+ return;
+
+ while (SecurityTrustedExtensions[i])
+ if (!strcmp(SecurityTrustedExtensions[i++], rec->ext->name))
+ return;
+
+ SecurityAudit("Security: denied client %d access to extension "
+ "%s on request %s\n",
+ rec->client->index, rec->ext->name,
+ SecurityLookupRequestName(rec->client));
+ rec->status = BadAccess;
}
static void
@@ -955,9 +955,10 @@ SecuritySend(CallbackListPtr *pcbl, pointer unused, pointer calldata)
SecurityAudit("Security: denied client %d from sending event "
"of type %s to window 0x%x of client %d\n",
- rec->client->index, rec->pWin->drawable.id,
- wClient(rec->pWin)->index,
- LookupEventName(rec->events[i].u.u.type));
+ rec->client->index,
+ LookupEventName(rec->events[i].u.u.type),
+ rec->pWin->drawable.id,
+ wClient(rec->pWin)->index);
rec->status = BadAccess;
return;
}
@@ -1051,7 +1052,7 @@ SecurityClientState(CallbackListPtr *pcbl, pointer unused, pointer calldata)
break;
default:
- break;
+ break;
}
}