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XACE: Make the default window background state configurable per-window.

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To recap: the original XC-SECURITY extension disallowed background "None" if
the window was untrusted.  XACE 1.0 preserved this check as a hook function.
XACE pre-2.0 removed the hook and first abolished background "None entirely,
then restored it as a global on/off switch in response to Bug #13683.
Now it's back to being per-window, via a flag instead of a hook function.
This commit is contained in:
Eamon Walsh
2008-02-15 19:53:45 -05:00
committed by Eamon Walsh
parent 7c2f0a8bef
commit f343265a28
4 changed files with 13 additions and 6 deletions
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5
Xext/security.c
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@@ -810,6 +810,11 @@ SecurityResource(CallbackListPtr *pcbl, pointer unused, pointer calldata)
subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
obj = dixLookupPrivate(&clients[cid]->devPrivates, stateKey);
/* disable background None for untrusted windows */
if ((requested & DixCreateAccess) && (rec->rtype == RT_WINDOW))
if (subj->haveState && subj->trustLevel != XSecurityClientTrusted)
((WindowPtr)rec->res)->forcedBG = TRUE;
/* special checks for server-owned resources */
if (cid == 0) {
if (rec->rtype & RC_DRAWABLE)