diff options
Diffstat (limited to 'dix/dispatch.c')
| -rw-r--r-- | dix/dispatch.c | 751 |
1 files changed, 346 insertions, 405 deletions
diff --git a/dix/dispatch.c b/dix/dispatch.c index c356aed30..e8e650a91 100644 --- a/dix/dispatch.c +++ b/dix/dispatch.c @@ -134,6 +134,7 @@ int ProcInitialConnection(); #include "panoramiX.h" #include "panoramiXsrv.h" #endif +#include "privates.h" #include "xace.h" #ifdef XAPPGROUP #include "appgroup.h" @@ -147,14 +148,10 @@ int ProcInitialConnection(); #endif #ifdef XSERVER_DTRACE +#include "registry.h" #include <sys/types.h> typedef const char *string; #include "Xserver-dtrace.h" - -char *RequestNames[256]; -static void LoadRequestNames(void); -static void FreeRequestNames(void); -#define GetRequestName(i) (RequestNames[i]) #endif #define mskcnt ((MAXCLIENTS + 31) / 32) @@ -257,34 +254,6 @@ InitSelections(void) CurrentSelections = (Selection *)NULL; NumCurrentSelections = 0; } - -void -FlushClientCaches(XID id) -{ - int i; - ClientPtr client; - - client = clients[CLIENT_ID(id)]; - if (client == NullClient) - return ; - for (i=0; i<currentMaxClients; i++) - { - client = clients[i]; - if (client != NullClient) - { - if (client->lastDrawableID == id) - { - client->lastDrawableID = WindowTable[0]->drawable.id; - client->lastDrawable = (DrawablePtr)WindowTable[0]; - } - else if (client->lastGCID == id) - { - client->lastGCID = INVALID; - client->lastGC = (GCPtr)NULL; - } - } - } -} #ifdef SMART_SCHEDULE #undef SMART_DEBUG @@ -410,10 +379,6 @@ Dispatch(void) if (!clientReady) return; -#ifdef XSERVER_DTRACE - LoadRequestNames(); -#endif - while (!dispatchException) { if (*icheck[0] != *icheck[1]) @@ -452,17 +417,18 @@ Dispatch(void) } isItTimeToYield = FALSE; +#ifdef XPRINT requestingClient = client; +#endif #ifdef SMART_SCHEDULE start_tick = SmartScheduleTime; #endif while (!isItTimeToYield) { if (*icheck[0] != *icheck[1]) - { ProcessInputEvents(); - FlushIfCriticalOutputPending(); - } + + FlushIfCriticalOutputPending(); #ifdef SMART_SCHEDULE if (!SmartScheduleDisable && (SmartScheduleTime - start_tick) >= SmartScheduleSlice) @@ -491,19 +457,20 @@ Dispatch(void) client->requestLogIndex++; #endif #ifdef XSERVER_DTRACE - XSERVER_REQUEST_START(GetRequestName(MAJOROP), MAJOROP, + XSERVER_REQUEST_START(LookupMajorName(MAJOROP), MAJOROP, ((xReq *)client->requestBuffer)->length, client->index, client->requestBuffer); #endif if (result > (maxBigRequestSize << 2)) result = BadLength; else { - XaceHookAuditBegin(client); - result = (* client->requestVector[MAJOROP])(client); + result = XaceHookDispatch(client, MAJOROP); + if (result == Success) + result = (* client->requestVector[MAJOROP])(client); XaceHookAuditEnd(client, result); } #ifdef XSERVER_DTRACE - XSERVER_REQUEST_DONE(GetRequestName(MAJOROP), MAJOROP, + XSERVER_REQUEST_DONE(LookupMajorName(MAJOROP), MAJOROP, client->sequence, client->index, result); #endif @@ -517,9 +484,6 @@ Dispatch(void) client->errorValue, result); break; } -#ifdef DAMAGEEXT - FlushIfCriticalOutputPending (); -#endif } FlushAllOutput(); #ifdef SMART_SCHEDULE @@ -527,7 +491,9 @@ Dispatch(void) if (client) client->smart_stop_tick = SmartScheduleTime; #endif +#ifdef XPRINT requestingClient = NULL; +#endif } dispatchException &= ~DE_PRIORITYCHANGE; } @@ -537,9 +503,6 @@ Dispatch(void) KillAllClients(); xfree(clientReady); dispatchException &= ~DE_RESET; -#ifdef XSERVER_DTRACE - FreeRequestNames(); -#endif } #undef MAJOROP @@ -555,12 +518,12 @@ ProcCreateWindow(ClientPtr client) { WindowPtr pParent, pWin; REQUEST(xCreateWindowReq); - int result, len, rc; + int len, rc; REQUEST_AT_LEAST_SIZE(xCreateWindowReq); LEGAL_NEW_RESOURCE(stuff->wid, client); - rc = dixLookupWindow(&pParent, stuff->parent, client, DixWriteAccess); + rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess); if (rc != Success) return rc; len = client->req_len - (sizeof(xCreateWindowReq) >> 2); @@ -576,7 +539,7 @@ ProcCreateWindow(ClientPtr client) stuff->borderWidth, stuff->class, stuff->mask, (XID *) &stuff[1], (int)stuff->depth, - client, stuff->visual, &result); + client, stuff->visual, &rc); if (pWin) { Mask mask = pWin->eventMask; @@ -589,7 +552,7 @@ ProcCreateWindow(ClientPtr client) if (client->noClientException != Success) return(client->noClientException); else - return(result); + return rc; } int @@ -597,11 +560,13 @@ ProcChangeWindowAttributes(ClientPtr client) { WindowPtr pWin; REQUEST(xChangeWindowAttributesReq); - int result; - int len, rc; + int result, len, rc; + Mask access_mode = 0; REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); + access_mode |= (stuff->valueMask & CWEventMask) ? DixReceiveAccess : 0; + access_mode |= (stuff->valueMask & ~CWEventMask) ? DixSetAttrAccess : 0; + rc = dixLookupWindow(&pWin, stuff->window, client, access_mode); if (rc != Success) return rc; len = client->req_len - (sizeof(xChangeWindowAttributesReq) >> 2); @@ -626,7 +591,7 @@ ProcGetWindowAttributes(ClientPtr client) int rc; REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess); if (rc != Success) return rc; GetWindowAttributes(pWin, client, &wa); @@ -645,8 +610,13 @@ ProcDestroyWindow(ClientPtr client) rc = dixLookupWindow(&pWin, stuff->id, client, DixDestroyAccess); if (rc != Success) return rc; - if (pWin->parent) + if (pWin->parent) { + rc = dixLookupWindow(&pWin, pWin->parent->drawable.id, client, + DixRemoveAccess); + if (rc != Success) + return rc; FreeResource(stuff->id, RT_NONE); + } return(client->noClientException); } @@ -658,7 +628,7 @@ ProcDestroySubwindows(ClientPtr client) int rc; REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixDestroyAccess); + rc = dixLookupWindow(&pWin, stuff->id, client, DixRemoveAccess); if (rc != Success) return rc; DestroySubwindows(pWin, client); @@ -673,7 +643,7 @@ ProcChangeSaveSet(ClientPtr client) int result, rc; REQUEST_SIZE_MATCH(xChangeSaveSetReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); if (rc != Success) return rc; if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id))) @@ -701,10 +671,10 @@ ProcReparentWindow(ClientPtr client) int result, rc; REQUEST_SIZE_MATCH(xReparentWindowReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); + rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); if (rc != Success) return rc; - rc = dixLookupWindow(&pParent, stuff->parent, client, DixWriteAccess); + rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess); if (rc != Success) return rc; if (SAME_SCREENS(pWin->drawable, pParent->drawable)) @@ -734,7 +704,7 @@ ProcMapWindow(ClientPtr client) int rc; REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->id, client, DixShowAccess); if (rc != Success) return rc; MapWindow(pWin, client); @@ -750,7 +720,7 @@ ProcMapSubwindows(ClientPtr client) int rc; REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); if (rc != Success) return rc; MapSubwindows(pWin, client); @@ -766,7 +736,7 @@ ProcUnmapWindow(ClientPtr client) int rc; REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->id, client, DixHideAccess); if (rc != Success) return rc; UnmapWindow(pWin, FALSE); @@ -782,7 +752,7 @@ ProcUnmapSubwindows(ClientPtr client) int rc; REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); if (rc != Success) return rc; UnmapSubwindows(pWin); @@ -798,7 +768,8 @@ ProcConfigureWindow(ClientPtr client) int len, rc; REQUEST_AT_LEAST_SIZE(xConfigureWindowReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); + rc = dixLookupWindow(&pWin, stuff->window, client, + DixManageAccess|DixSetAttrAccess); if (rc != Success) return rc; len = client->req_len - (sizeof(xConfigureWindowReq) >> 2); @@ -826,7 +797,7 @@ ProcCirculateWindow(ClientPtr client) client->errorValue = stuff->direction; return BadValue; } - rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); + rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); if (rc != Success) return rc; CirculateWindow(pWin, (int)stuff->direction, client); @@ -841,7 +812,7 @@ GetGeometry(ClientPtr client, xGetGeometryReply *rep) REQUEST(xResourceReq); REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixReadAccess); + rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixGetAttrAccess); if (rc != Success) return rc; @@ -902,7 +873,7 @@ ProcQueryTree(ClientPtr client) REQUEST(xResourceReq); REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); if (rc != Success) return rc; reply.type = X_Reply; @@ -1001,9 +972,10 @@ ProcSetSelectionOwner(ClientPtr client) { WindowPtr pWin; TimeStamp time; + int rc; REQUEST(xSetSelectionOwnerReq); - REQUEST_SIZE_MATCH(xSetSelectionOwnerReq); + UpdateCurrentTime(); time = ClientTimeToServerTime(stuff->time); @@ -1013,7 +985,7 @@ ProcSetSelectionOwner(ClientPtr client) return Success; if (stuff->window != None) { - int rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->window, client, DixSetAttrAccess); if (rc != Success) return rc; } @@ -1023,6 +995,11 @@ ProcSetSelectionOwner(ClientPtr client) { int i = 0; + rc = XaceHookSelectionAccess(client, stuff->selection, + DixSetAttrAccess); + if (rc != Success) + return rc; + /* * First, see if the selection is already set... */ @@ -1069,6 +1046,7 @@ ProcSetSelectionOwner(ClientPtr client) NumCurrentSelections++; CurrentSelections = newsels; CurrentSelections[i].selection = stuff->selection; + CurrentSelections[i].devPrivates = NULL; } CurrentSelections[i].lastTimeChanged = time; CurrentSelections[i].window = stuff->window; @@ -1079,6 +1057,7 @@ ProcSetSelectionOwner(ClientPtr client) SelectionInfoRec info; info.selection = &CurrentSelections[i]; + info.client = client; info.kind= SelectionSetOwner; CallCallbacks(&SelectionCallback, &info); } @@ -1099,18 +1078,30 @@ ProcGetSelectionOwner(ClientPtr client) REQUEST_SIZE_MATCH(xResourceReq); if (ValidAtom(stuff->id)) { - int i; + int rc, i; xGetSelectionOwnerReply reply; + rc = XaceHookSelectionAccess(client, stuff->id, DixGetAttrAccess); + if (rc != Success) + return rc; + i = 0; while ((i < NumCurrentSelections) && CurrentSelections[i].selection != stuff->id) i++; reply.type = X_Reply; reply.length = 0; reply.sequenceNumber = client->sequence; - if (i < NumCurrentSelections) + if (i < NumCurrentSelections) { + if (SelectionCallback) { + SelectionInfoRec info; + + info.selection = &CurrentSelections[i]; + info.client = client; + info.kind= SelectionGetOwner; + CallCallbacks(&SelectionCallback, &info); + } reply.owner = CurrentSelections[i].window; - else + } else reply.owner = None; WriteReplyToClient(client, sizeof(xGetSelectionOwnerReply), &reply); return(client->noClientException); @@ -1132,9 +1123,12 @@ ProcConvertSelection(ClientPtr client) int rc; REQUEST_SIZE_MATCH(xConvertSelectionReq); - rc = dixLookupWindow(&pWin, stuff->requestor, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->requestor, client, DixSetAttrAccess); if (rc != Success) return rc; + rc = XaceHookSelectionAccess(client, stuff->selection, DixReadAccess); + if (rc != Success) + return rc; paramsOkay = (ValidAtom(stuff->selection) && ValidAtom(stuff->target)); if (stuff->property != None) @@ -1146,16 +1140,18 @@ ProcConvertSelection(ClientPtr client) i = 0; while ((i < NumCurrentSelections) && CurrentSelections[i].selection != stuff->selection) i++; - if ((i < NumCurrentSelections) && - (CurrentSelections[i].window != None) && - XaceHook(XACE_RESOURCE_ACCESS, client, - CurrentSelections[i].window, RT_WINDOW, - DixReadAccess, CurrentSelections[i].pWin)) - { + if (i < NumCurrentSelections && CurrentSelections[i].window != None) { + if (SelectionCallback) { + SelectionInfoRec info; + + info.selection = &CurrentSelections[i]; + info.client = client; + info.kind= SelectionConvertSelection; + CallCallbacks(&SelectionCallback, &info); + } event.u.u.type = SelectionRequest; event.u.selectionRequest.time = stuff->time; - event.u.selectionRequest.owner = - CurrentSelections[i].window; + event.u.selectionRequest.owner = CurrentSelections[i].window; event.u.selectionRequest.requestor = stuff->requestor; event.u.selectionRequest.selection = stuff->selection; event.u.selectionRequest.target = stuff->target; @@ -1185,6 +1181,7 @@ ProcConvertSelection(ClientPtr client) int ProcGrabServer(ClientPtr client) { + int rc; REQUEST_SIZE_MATCH(xReq); if (grabState != GrabNone && client != grabClient) { @@ -1194,7 +1191,9 @@ ProcGrabServer(ClientPtr client) IgnoreClient(client); return(client->noClientException); } - OnlyListenToOneClient(client); + rc = OnlyListenToOneClient(client); + if (rc != Success) + return rc; grabState = GrabKickout; grabClient = client; @@ -1254,10 +1253,10 @@ ProcTranslateCoords(ClientPtr client) int rc; REQUEST_SIZE_MATCH(xTranslateCoordsReq); - rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixReadAccess); + rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixGetAttrAccess); if (rc != Success) return rc; - rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixReadAccess); + rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixGetAttrAccess); if (rc != Success) return rc; rep.type = X_Reply; @@ -1367,23 +1366,21 @@ ProcQueryFont(ClientPtr client) xQueryFontReply *reply; FontPtr pFont; GC *pGC; + int rc; REQUEST(xResourceReq); - REQUEST_SIZE_MATCH(xResourceReq); + client->errorValue = stuff->id; /* EITHER font or gc */ - pFont = (FontPtr)SecurityLookupIDByType(client, stuff->id, RT_FONT, - DixReadAccess); - if (!pFont) - { - pGC = (GC *) SecurityLookupIDByType(client, stuff->id, RT_GC, - DixReadAccess); - if (!pGC) - { - client->errorValue = stuff->id; - return(BadFont); /* procotol spec says only error is BadFont */ - } - pFont = pGC->font; + rc = dixLookupResource((pointer *)&pFont, stuff->id, RT_FONT, client, + DixGetAttrAccess); + if (rc == BadValue) { + rc = dixLookupResource((pointer *)&pGC, stuff->id, RT_GC, client, + DixGetAttrAccess); + if (rc == Success) + pFont = pGC->font; } + if (rc != Success) + return (rc == BadValue) ? BadFont: rc; { xCharInfo *pmax = FONTINKMAX(pFont); @@ -1422,28 +1419,27 @@ ProcQueryFont(ClientPtr client) int ProcQueryTextExtents(ClientPtr client) { - REQUEST(xQueryTextExtentsReq); xQueryTextExtentsReply reply; FontPtr pFont; GC *pGC; ExtentInfoRec info; unsigned long length; - + int rc; + REQUEST(xQueryTextExtentsReq); REQUEST_AT_LEAST_SIZE(xQueryTextExtentsReq); - pFont = (FontPtr)SecurityLookupIDByType(client, stuff->fid, RT_FONT, - DixReadAccess); - if (!pFont) - { - pGC = (GC *)SecurityLookupIDByType(client, stuff->fid, RT_GC, - DixReadAccess); - if (!pGC) - { - client->errorValue = stuff->fid; - return(BadFont); - } - pFont = pGC->font; + client->errorValue = stuff->fid; /* EITHER font or gc */ + rc = dixLookupResource((pointer *)&pFont, stuff->fid, RT_FONT, client, + DixGetAttrAccess); + if (rc == BadValue) { + rc = dixLookupResource((pointer *)&pGC, stuff->fid, RT_GC, client, + DixGetAttrAccess); + if (rc == Success) + pFont = pGC->font; } + if (rc != Success) + return (rc == BadValue) ? BadFont: rc; + length = client->req_len - (sizeof(xQueryTextExtentsReq) >> 2); length = length << 1; if (stuff->oddLength) @@ -1516,7 +1512,7 @@ ProcCreatePixmap(ClientPtr client) LEGAL_NEW_RESOURCE(stuff->pid, client); rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, - DixReadAccess); + DixGetAttrAccess); if (rc != Success) return rc; @@ -1559,9 +1555,17 @@ CreatePmap: { pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; pMap->drawable.id = stuff->pid; + /* security creation/labeling check */ + rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP, + pMap, RT_NONE, NULL, DixCreateAccess); + if (rc != Success) { + (*pDraw->pScreen->DestroyPixmap)(pMap); + return rc; + } if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap)) return(client->noClientException); } + (*pDraw->pScreen->DestroyPixmap)(pMap); return (BadAlloc); } @@ -1569,13 +1573,13 @@ int ProcFreePixmap(ClientPtr client) { PixmapPtr pMap; - + int rc; REQUEST(xResourceReq); - REQUEST_SIZE_MATCH(xResourceReq); - pMap = (PixmapPtr)SecurityLookupIDByType(client, stuff->id, RT_PIXMAP, - DixDestroyAccess); - if (pMap) + + rc = dixLookupResource((pointer *)&pMap, stuff->id, RT_PIXMAP, client, + DixDestroyAccess); + if (rc == Success) { FreeResource(stuff->id, RT_NONE); return(client->noClientException); @@ -1583,7 +1587,7 @@ ProcFreePixmap(ClientPtr client) else { client->errorValue = stuff->id; - return (BadPixmap); + return (rc == BadValue) ? BadPixmap : rc; } } @@ -1599,15 +1603,16 @@ ProcCreateGC(ClientPtr client) REQUEST_AT_LEAST_SIZE(xCreateGCReq); client->errorValue = stuff->gc; LEGAL_NEW_RESOURCE(stuff->gc, client); - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixReadAccess); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); if (rc != Success) return rc; len = client->req_len - (sizeof(xCreateGCReq) >> 2); if (len != Ones(stuff->mask)) return BadLength; - pGC = (GC *)CreateGC(pDraw, stuff->mask, - (XID *) &stuff[1], &error); + pGC = (GC *)CreateGC(pDraw, stuff->mask, (XID *) &stuff[1], &error, + stuff->gc, client); if (error != Success) return error; if (!AddResource(stuff->gc, RT_GC, (pointer)pGC)) @@ -1624,7 +1629,7 @@ ProcChangeGC(ClientPtr client) REQUEST(xChangeGCReq); REQUEST_AT_LEAST_SIZE(xChangeGCReq); - result = dixLookupGC(&pGC, stuff->gc, client, DixWriteAccess); + result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess); if (result != Success) return result; @@ -1651,10 +1656,10 @@ ProcCopyGC(ClientPtr client) REQUEST(xCopyGCReq); REQUEST_SIZE_MATCH(xCopyGCReq); - result = dixLookupGC(&pGC, stuff->srcGC, client, DixReadAccess); + result = dixLookupGC(&pGC, stuff->srcGC, client, DixGetAttrAccess); if (result != Success) return result; - result = dixLookupGC(&dstGC, stuff->dstGC, client, DixWriteAccess); + result = dixLookupGC(&dstGC, stuff->dstGC, client, DixSetAttrAccess); if (result != Success) return result; if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth)) @@ -1683,7 +1688,7 @@ ProcSetDashes(ClientPtr client) return BadValue; } - result = dixLookupGC(&pGC,stuff->gc, client, DixWriteAccess); + result = dixLookupGC(&pGC,stuff->gc, client, DixSetAttrAccess); if (result != Success) return result; @@ -1712,7 +1717,7 @@ ProcSetClipRectangles(ClientPtr client) client->errorValue = stuff->ordering; return BadValue; } - result = dixLookupGC(&pGC,stuff->gc, client, DixWriteAccess); + result = dixLookupGC(&pGC,stuff->gc, client, DixSetAttrAccess); if (result != Success) return result; @@ -1783,7 +1788,7 @@ ProcCopyArea(ClientPtr client) REQUEST_SIZE_MATCH(xCopyAreaReq); - VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess); if (stuff->dstDrawable != stuff->srcDrawable) { rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0, @@ -1824,7 +1829,7 @@ ProcCopyPlane(ClientPtr client) REQUEST_SIZE_MATCH(xCopyPlaneReq); - VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess); if (stuff->dstDrawable != stuff->srcDrawable) { rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0, @@ -1877,7 +1882,7 @@ ProcPolyPoint(ClientPtr client) client->errorValue = stuff->coordMode; return BadValue; } - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); npoint = ((client->req_len << 2) - sizeof(xPolyPointReq)) >> 2; if (npoint) (*pGC->ops->PolyPoint)(pDraw, pGC, stuff->coordMode, npoint, @@ -1900,7 +1905,7 @@ ProcPolyLine(ClientPtr client) client->errorValue = stuff->coordMode; return BadValue; } - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); npoint = ((client->req_len << 2) - sizeof(xPolyLineReq)) >> 2; if (npoint > 1) (*pGC->ops->Polylines)(pDraw, pGC, stuff->coordMode, npoint, @@ -1917,7 +1922,7 @@ ProcPolySegment(ClientPtr client) REQUEST(xPolySegmentReq); REQUEST_AT_LEAST_SIZE(xPolySegmentReq); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq); if (nsegs & 4) return(BadLength); @@ -1936,7 +1941,7 @@ ProcPolyRectangle (ClientPtr client) REQUEST(xPolyRectangleReq); REQUEST_AT_LEAST_SIZE(xPolyRectangleReq); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq); if (nrects & 4) return(BadLength); @@ -1956,7 +1961,7 @@ ProcPolyArc(ClientPtr client) REQUEST(xPolyArcReq); REQUEST_AT_LEAST_SIZE(xPolyArcReq); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); narcs = (client->req_len << 2) - sizeof(xPolyArcReq); if (narcs % sizeof(xArc)) return(BadLength); @@ -1988,7 +1993,7 @@ ProcFillPoly(ClientPtr client) return BadValue; } - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); things = ((client->req_len << 2) - sizeof(xFillPolyReq)) >> 2; if (things) (*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape, @@ -2006,7 +2011,7 @@ ProcPolyFillRectangle(ClientPtr client) REQUEST(xPolyFillRectangleReq); REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq); if (things & 4) return(BadLength); @@ -2027,7 +2032,7 @@ ProcPolyFillArc(ClientPtr client) REQUEST(xPolyFillArcReq); REQUEST_AT_LEAST_SIZE(xPolyFillArcReq); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq); if (narcs % sizeof(xArc)) return(BadLength); @@ -2102,7 +2107,7 @@ ProcPutImage(ClientPtr client) REQUEST(xPutImageReq); REQUEST_AT_LEAST_SIZE(xPutImageReq); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); if (stuff->format == XYBitmap) { if ((stuff->depth != 1) || @@ -2265,8 +2270,7 @@ DoGetImage(ClientPtr client, int format, Drawable drawable, WriteReplyToClient(client, sizeof (xGetImageReply), &xgi); } - if (pDraw->type == DRAWABLE_WINDOW && - !XaceHook(XACE_DRAWABLE_ACCESS, client, pDraw)) + if (pDraw->type == DRAWABLE_WINDOW) { pVisibleRegion = NotClippedByChildren((WindowPtr)pDraw); if (pVisibleRegion) @@ -2388,7 +2392,7 @@ ProcPolyText(ClientPtr client) GC *pGC; REQUEST_AT_LEAST_SIZE(xPolyTextReq); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); err = PolyText(client, pDraw, @@ -2418,7 +2422,7 @@ ProcImageText8(ClientPtr client) REQUEST(xImageTextReq); REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); err = ImageText(client, pDraw, @@ -2448,7 +2452,7 @@ ProcImageText16(ClientPtr client) REQUEST(xImageTextReq); REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); err = ImageText(client, pDraw, @@ -2489,7 +2493,7 @@ ProcCreateColormap(ClientPtr client) } mid = stuff->mid; LEGAL_NEW_RESOURCE(mid, client); - result = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess); + result = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); if (result != Success) return result; @@ -2515,12 +2519,13 @@ int ProcFreeColormap(ClientPtr client) { ColormapPtr pmap; + int rc; REQUEST(xResourceReq); REQUEST_SIZE_MATCH(xResourceReq); - pmap = (ColormapPtr )SecurityLookupIDByType(client, stuff->id, RT_COLORMAP, - DixDestroyAccess); - if (pmap) + rc = dixLookupResource((pointer *)&pmap, stuff->id, RT_COLORMAP, client, + DixDestroyAccess); + if (rc == Success) { /* Freeing a default colormap is a no-op */ if (!(pmap->flags & IsDefault)) @@ -2530,7 +2535,7 @@ ProcFreeColormap(ClientPtr client) else { client->errorValue = stuff->id; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2541,24 +2546,25 @@ ProcCopyColormapAndFree(ClientPtr client) Colormap mid; ColormapPtr pSrcMap; REQUEST(xCopyColormapAndFreeReq); - int result; + int rc; REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq); mid = stuff->mid; LEGAL_NEW_RESOURCE(mid, client); - if( (pSrcMap = (ColormapPtr )SecurityLookupIDByType(client, stuff->srcCmap, - RT_COLORMAP, DixReadAccess|DixWriteAccess)) ) + rc = dixLookupResource((pointer *)&pSrcMap, stuff->srcCmap, RT_COLORMAP, + client, DixReadAccess|DixRemoveAccess); + if (rc == Success) { - result = CopyColormapAndFree(mid, pSrcMap, client->index); + rc = CopyColormapAndFree(mid, pSrcMap, client->index); if (client->noClientException != Success) return(client->noClientException); else - return(result); + return rc; } else { client->errorValue = stuff->srcCmap; - return(BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2566,43 +2572,51 @@ int ProcInstallColormap(ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xResourceReq); - REQUEST_SIZE_MATCH(xResourceReq); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->id, - RT_COLORMAP, DixReadAccess); - if (pcmp) - { - (*(pcmp->pScreen->InstallColormap)) (pcmp); - return (client->noClientException); - } - else - { - client->errorValue = stuff->id; - return (BadColor); - } + + rc = dixLookupResource((pointer *)&pcmp, stuff->id, RT_COLORMAP, client, + DixInstallAccess); + if (rc != Success) + goto out; + + rc = XaceHook(XACE_SCREEN_ACCESS, client, pcmp->pScreen, DixSetAttrAccess); + if (rc != Success) + goto out; + + (*(pcmp->pScreen->InstallColormap)) (pcmp); + + rc = client->noClientException; +out: + client->errorValue = stuff->id; + return (rc == BadValue) ? BadColor : rc; } int ProcUninstallColormap(ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xResourceReq); - REQUEST_SIZE_MATCH(xResourceReq); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->id, - RT_COLORMAP, DixReadAccess); - if (pcmp) - { - if(pcmp->mid != pcmp->pScreen->defColormap) - (*(pcmp->pScreen->UninstallColormap)) (pcmp); - return (client->noClientException); - } - else - { - client->errorValue = stuff->id; - return (BadColor); - } + + rc = dixLookupResource((pointer *)&pcmp, stuff->id, RT_COLORMAP, client, + DixUninstallAccess); + if (rc != Success) + goto out; + + rc = XaceHook(XACE_SCREEN_ACCESS, client, pcmp->pScreen, DixSetAttrAccess); + if (rc != Success) + goto out; + + if(pcmp->mid != pcmp->pScreen->defColormap) + (*(pcmp->pScreen->UninstallColormap)) (pcmp); + + rc = client->noClientException; +out: + client->errorValue = stuff->id; + return (rc == BadValue) ? BadColor : rc; } int @@ -2612,11 +2626,16 @@ ProcListInstalledColormaps(ClientPtr client) int nummaps, rc; WindowPtr pWin; REQUEST(xResourceReq); - REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess); + + rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess); if (rc != Success) - return rc; + goto out; + + rc = XaceHook(XACE_SCREEN_ACCESS, client, pWin->drawable.pScreen, + DixGetAttrAccess); + if (rc != Success) + goto out; preply = (xListInstalledColormapsReply *) xalloc(sizeof(xListInstalledColormapsReply) + @@ -2635,21 +2654,23 @@ ProcListInstalledColormaps(ClientPtr client) client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; WriteSwappedDataToClient(client, nummaps * sizeof(Colormap), &preply[1]); xfree(preply); - return(client->noClientException); + rc = client->noClientException; +out: + return rc; } int ProcAllocColor (ClientPtr client) { ColormapPtr pmap; - int retval; + int rc; xAllocColorReply acr; REQUEST(xAllocColorReq); REQUEST_SIZE_MATCH(xAllocColorReq); - pmap = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixWriteAccess); - if (pmap) + rc = dixLookupResource((pointer *)&pmap, stuff->cmap, RT_COLORMAP, client, + DixAddAccess); + if (rc == Success) { acr.type = X_Reply; acr.length = 0; @@ -2658,13 +2679,13 @@ ProcAllocColor (ClientPtr client) acr.green = stuff->green; acr.blue = stuff->blue; acr.pixel = 0; - if( (retval = AllocColor(pmap, &acr.red, &acr.green, &acr.blue, + if( (rc = AllocColor(pmap, &acr.red, &acr.green, &acr.blue, &acr.pixel, client->index)) ) { if (client->noClientException != Success) return(client->noClientException); else - return (retval); + return rc; } #ifdef PANORAMIX if (noPanoramiXExtension || !pmap->pScreen->myNum) @@ -2676,7 +2697,7 @@ ProcAllocColor (ClientPtr client) else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2684,15 +2705,14 @@ int ProcAllocNamedColor (ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xAllocNamedColorReq); REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixWriteAccess); - if (pcmp) + rc = dixLookupResource((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixAddAccess); + if (rc == Success) { - int retval; - xAllocNamedColorReply ancr; ancr.type = X_Reply; @@ -2706,14 +2726,14 @@ ProcAllocNamedColor (ClientPtr client) ancr.screenGreen = ancr.exactGreen; ancr.screenBlue = ancr.exactBlue; ancr.pixel = 0; - if( (retval = AllocColor(pcmp, + if( (rc = AllocColor(pcmp, &ancr.screenRed, &ancr.screenGreen, &ancr.screenBlue, &ancr.pixel, client->index)) ) { if (client->noClientException != Success) return(client->noClientException); else - return(retval); + return rc; } #ifdef PANORAMIX if (noPanoramiXExtension || !pcmp->pScreen->myNum) @@ -2728,7 +2748,7 @@ ProcAllocNamedColor (ClientPtr client) else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2736,15 +2756,16 @@ int ProcAllocColorCells (ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xAllocColorCellsReq); REQUEST_SIZE_MATCH(xAllocColorCellsReq); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixWriteAccess); - if (pcmp) + rc = dixLookupResource((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixAddAccess); + if (rc == Success) { xAllocColorCellsReply accr; - int npixels, nmasks, retval; + int npixels, nmasks; long length; Pixel *ppixels, *pmasks; @@ -2766,14 +2787,14 @@ ProcAllocColorCells (ClientPtr client) return(BadAlloc); pmasks = ppixels + npixels; - if( (retval = AllocColorCells(client->index, pcmp, npixels, nmasks, + if( (rc = AllocColorCells(client->index, pcmp, npixels, nmasks, (Bool)stuff->contiguous, ppixels, pmasks)) ) { xfree(ppixels); if (client->noClientException != Success) return(client->noClientException); else - return(retval); + return rc; } #ifdef PANORAMIX if (noPanoramiXExtension || !pcmp->pScreen->myNum) @@ -2794,7 +2815,7 @@ ProcAllocColorCells (ClientPtr client) else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2802,15 +2823,16 @@ int ProcAllocColorPlanes(ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xAllocColorPlanesReq); REQUEST_SIZE_MATCH(xAllocColorPlanesReq); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixWriteAccess); - if (pcmp) + rc = dixLookupResource((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixAddAccess); + if (rc == Success) { xAllocColorPlanesReply acpr; - int npixels, retval; + int npixels; long length; Pixel *ppixels; @@ -2832,7 +2854,7 @@ ProcAllocColorPlanes(ClientPtr client) ppixels = (Pixel *)xalloc(length); if(!ppixels) return(BadAlloc); - if( (retval = AllocColorPlanes(client->index, pcmp, npixels, + if( (rc = AllocColorPlanes(client->index, pcmp, npixels, (int)stuff->red, (int)stuff->green, (int)stuff->blue, (Bool)stuff->contiguous, ppixels, &acpr.redMask, &acpr.greenMask, &acpr.blueMask)) ) @@ -2841,7 +2863,7 @@ ProcAllocColorPlanes(ClientPtr client) if (client->noClientException != Success) return(client->noClientException); else - return(retval); + return rc; } acpr.length = length >> 2; #ifdef PANORAMIX @@ -2858,7 +2880,7 @@ ProcAllocColorPlanes(ClientPtr client) else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2866,34 +2888,34 @@ int ProcFreeColors(ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xFreeColorsReq); REQUEST_AT_LEAST_SIZE(xFreeColorsReq); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixWriteAccess); - if (pcmp) + rc = dixLookupResource((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixRemoveAccess); + if (rc == Success) { int count; - int retval; if(pcmp->flags & AllAllocated) return(BadAccess); count = ((client->req_len << 2)- sizeof(xFreeColorsReq)) >> 2; - retval = FreeColors(pcmp, client->index, count, + rc = FreeColors(pcmp, client->index, count, (Pixel *)&stuff[1], (Pixel)stuff->planeMask); if (client->noClientException != Success) return(client->noClientException); else { client->errorValue = clientErrorValue; - return(retval); + return rc; } } else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2901,33 +2923,33 @@ int ProcStoreColors (ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xStoreColorsReq); REQUEST_AT_LEAST_SIZE(xStoreColorsReq); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixWriteAccess); - if (pcmp) + rc = dixLookupResource((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixWriteAccess); + if (rc == Success) { int count; - int retval; count = (client->req_len << 2) - sizeof(xStoreColorsReq); if (count % sizeof(xColorItem)) return(BadLength); count /= sizeof(xColorItem); - retval = StoreColors(pcmp, count, (xColorItem *)&stuff[1]); + rc = StoreColors(pcmp, count, (xColorItem *)&stuff[1]); if (client->noClientException != Success) return(client->noClientException); else { client->errorValue = clientErrorValue; - return(retval); + return rc; } } else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2935,33 +2957,33 @@ int ProcStoreNamedColor (ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xStoreNamedColorReq); REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixWriteAccess); - if (pcmp) + rc = dixLookupResource((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixWriteAccess); + if (rc == Success) { xColorItem def; - int retval; if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1], stuff->nbytes, &def.red, &def.green, &def.blue)) { def.flags = stuff->flags; def.pixel = stuff->pixel; - retval = StoreColors(pcmp, 1, &def); + rc = StoreColors(pcmp, 1, &def); if (client->noClientException != Success) return(client->noClientException); else - return(retval); + return rc; } return (BadName); } else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -2969,14 +2991,15 @@ int ProcQueryColors(ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xQueryColorsReq); REQUEST_AT_LEAST_SIZE(xQueryColorsReq); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixReadAccess); - if (pcmp) + rc = dixLookupResource((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixReadAccess); + if (rc == Success) { - int count, retval; + int count; xrgb *prgbs; xQueryColorsReply qcr; @@ -2984,7 +3007,7 @@ ProcQueryColors(ClientPtr client) prgbs = (xrgb *)xalloc(count * sizeof(xrgb)); if(!prgbs && count) return(BadAlloc); - if( (retval = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs)) ) + if( (rc = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs)) ) { if (prgbs) xfree(prgbs); if (client->noClientException != Success) @@ -2992,7 +3015,7 @@ ProcQueryColors(ClientPtr client) else { client->errorValue = clientErrorValue; - return (retval); + return rc; } } qcr.type = X_Reply; @@ -3012,7 +3035,7 @@ ProcQueryColors(ClientPtr client) else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -3020,12 +3043,13 @@ int ProcLookupColor(ClientPtr client) { ColormapPtr pcmp; + int rc; REQUEST(xLookupColorReq); REQUEST_FIXED_SIZE(xLookupColorReq, stuff->nbytes); - pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap, - RT_COLORMAP, DixReadAccess); - if (pcmp) + rc = dixLookupResource((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixReadAccess); + if (rc == Success) { xLookupColorReply lcr; @@ -3050,7 +3074,7 @@ ProcLookupColor(ClientPtr client) else { client->errorValue = stuff->cmap; - return (BadColor); + return (rc == BadValue) ? BadColor : rc; } } @@ -3065,28 +3089,28 @@ ProcCreateCursor (ClientPtr client) unsigned short width, height; long n; CursorMetricRec cm; - + int rc; REQUEST(xCreateCursorReq); REQUEST_SIZE_MATCH(xCreateCursorReq); LEGAL_NEW_RESOURCE(stuff->cid, client); - src = (PixmapPtr)SecurityLookupIDByType(client, stuff->source, - RT_PIXMAP, DixReadAccess); - msk = (PixmapPtr)SecurityLookupIDByType(client, stuff->mask, - RT_PIXMAP, DixReadAccess); - if ( src == (PixmapPtr)NULL) - { + rc = dixLookupResource((pointer *)&src, stuff->source, RT_PIXMAP, client, + DixReadAccess); + if (rc != Success) { client->errorValue = stuff->source; - return (BadPixmap); + return (rc == BadValue) ? BadPixmap : rc; } - if ( msk == (PixmapPtr)NULL) + + rc = dixLookupResource((pointer *)&msk, stuff->mask, RT_PIXMAP, client, + DixReadAccess); + if (rc != Success) { if (stuff->mask != None) { client->errorValue = stuff->mask; - return (BadPixmap); + return (rc == BadValue) ? BadPixmap : rc; } } else if ( src->drawable.width != msk->drawable.width @@ -3134,13 +3158,17 @@ ProcCreateCursor (ClientPtr client) cm.height = height; cm.xhot = stuff->x; cm.yhot = stuff->y; - pCursor = AllocCursor( srcbits, mskbits, &cm, - stuff->foreRed, stuff->foreGreen, stuff->foreBlue, - stuff->backRed, stuff->backGreen, stuff->backBlue); + rc = AllocARGBCursor(srcbits, mskbits, NULL, &cm, + stuff->foreRed, stuff->foreGreen, stuff->foreBlue, + stuff->backRed, stuff->backGreen, stuff->backBlue, + &pCursor, client, stuff->cid); - if (pCursor && AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor)) - return (client->noClientException); - return BadAlloc; + if (rc != Success) + return rc; + if (!AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor)) + return BadAlloc; + + return client->noClientException; } int @@ -3158,7 +3186,7 @@ ProcCreateGlyphCursor (ClientPtr client) stuff->mask, stuff->maskChar, stuff->foreRed, stuff->foreGreen, stuff->foreBlue, stuff->backRed, stuff->backGreen, stuff->backBlue, - &pCursor, client); + &pCursor, client, stuff->cid); if (res != Success) return res; if (AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor)) @@ -3171,12 +3199,13 @@ int ProcFreeCursor (ClientPtr client) { CursorPtr pCursor; + int rc; REQUEST(xResourceReq); REQUEST_SIZE_MATCH(xResourceReq); - pCursor = (CursorPtr)SecurityLookupIDByType(client, stuff->id, - RT_CURSOR, DixDestroyAccess); - if (pCursor) + rc = dixLookupResource((pointer *)&pCursor, stuff->id, RT_CURSOR, client, + DixDestroyAccess); + if (rc == Success) { FreeResource(stuff->id, RT_NONE); return (client->noClientException); @@ -3184,7 +3213,7 @@ ProcFreeCursor (ClientPtr client) else { client->errorValue = stuff->id; - return (BadCursor); + return (rc == BadValue) ? BadCursor : rc; } } @@ -3207,12 +3236,15 @@ ProcQueryBestSize (ClientPtr client) } rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, - DixReadAccess); + DixGetAttrAccess); if (rc != Success) return rc; if (stuff->class != CursorShape && pDraw->type == UNDRAWABLE_WINDOW) return (BadMatch); pScreen = pDraw->pScreen; + rc = XaceHook(XACE_SCREEN_ACCESS, client, pScreen, DixGetAttrAccess); + if (rc != Success) + return rc; (* pScreen->QueryBestSize)(stuff->class, &stuff->width, &stuff->height, pScreen); reply.type = X_Reply; @@ -3228,10 +3260,17 @@ ProcQueryBestSize (ClientPtr client) int ProcSetScreenSaver (ClientPtr client) { - int blankingOption, exposureOption; + int rc, i, blankingOption, exposureOption; REQUEST(xSetScreenSaverReq); - REQUEST_SIZE_MATCH(xSetScreenSaverReq); + + for (i = 0; i < screenInfo.numScreens; i++) { + rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], + DixSetAttrAccess); + if (rc != Success) + return rc; + } + blankingOption = stuff->preferBlank; if ((blankingOption != DontPreferBlanking) && (blankingOption != PreferBlanking) && @@ -3285,8 +3324,16 @@ int ProcGetScreenSaver(ClientPtr client) { xGetScreenSaverReply rep; - + int rc, i; REQUEST_SIZE_MATCH(xReq); + + for (i = 0; i < screenInfo.numScreens; i++) { + rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], + DixGetAttrAccess); + if (rc != Success) + return rc; + } + rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -3333,8 +3380,9 @@ ProcListHosts(ClientPtr client) REQUEST_SIZE_MATCH(xListHostsReq); /* untrusted clients can't list hosts */ - if (!XaceHook(XACE_HOSTLIST_ACCESS, client, DixReadAccess)) - return BadAccess; + result = XaceHook(XACE_SERVER_ACCESS, client, DixReadAccess); + if (result != Success) + return result; result = GetHosts(&pdata, &nHosts, &len, &reply.enabled); if (result != Success) @@ -3464,12 +3512,14 @@ int ProcGetFontPath(ClientPtr client) { xGetFontPathReply reply; - int stringLens, numpaths; + int rc, stringLens, numpaths; unsigned char *bufferStart; /* REQUEST (xReq); */ REQUEST_SIZE_MATCH(xReq); - bufferStart = GetFontPath(&numpaths, &stringLens); + rc = GetFontPath(client, &numpaths, &stringLens, &bufferStart); + if (rc != Success) + return rc; reply.type = X_Reply; reply.sequenceNumber = client->sequence; @@ -3485,9 +3535,14 @@ ProcGetFontPath(ClientPtr client) int ProcChangeCloseDownMode(ClientPtr client) { + int rc; REQUEST(xSetCloseDownModeReq); - REQUEST_SIZE_MATCH(xSetCloseDownModeReq); + + rc = XaceHook(XACE_CLIENT_ACCESS, client, client, DixManageAccess); + if (rc != Success) + return rc; + if ((stuff->mode == AllTemporary) || (stuff->mode == RetainPermanent) || (stuff->mode == RetainTemporary)) @@ -3504,6 +3559,7 @@ ProcChangeCloseDownMode(ClientPtr client) int ProcForceScreenSaver(ClientPtr client) { + int rc; REQUEST(xForceScreenSaverReq); REQUEST_SIZE_MATCH(xForceScreenSaverReq); @@ -3514,7 +3570,9 @@ int ProcForceScreenSaver(ClientPtr client) client->errorValue = stuff->mode; return BadValue; } - SaveScreens(SCREEN_SAVER_FORCER, (int)stuff->mode); + rc = dixSaveScreens(client, SCREEN_SAVER_FORCER, (int)stuff->mode); + if (rc != Success) + return rc; return client->noClientException; } @@ -3636,6 +3694,7 @@ CloseDownClient(ClientPtr client) #ifdef SMART_SCHEDULE SmartLastClient = NullClient; #endif + dixFreePrivates(client->devPrivates); xfree(client); while (!clients[currentMaxClients-1]) @@ -3655,30 +3714,13 @@ KillAllClients(void) } } -extern int clientPrivateLen; -extern unsigned *clientPrivateSizes; -extern unsigned totalClientSize; - void InitClient(ClientPtr client, int i, pointer ospriv) { client->index = i; client->sequence = 0; client->clientAsMask = ((Mask)i) << CLIENTOFFSET; client->clientGone = FALSE; - if (i) - { - client->closeDownMode = DestroyAll; - client->lastDrawable = (DrawablePtr)WindowTable[0]; - client->lastDrawableID = WindowTable[0]->drawable.id; - } - else - { - client->closeDownMode = RetainPermanent; - client->lastDrawable = (DrawablePtr)NULL; - client->lastDrawableID = INVALID; - } - client->lastGC = (GCPtr) NULL; - client->lastGCID = INVALID; + client->closeDownMode = i ? DestroyAll : RetainPermanent; client->numSaved = 0; client->saveSet = (SaveSetElt *)NULL; client->noClientException = Success; @@ -3691,6 +3733,7 @@ void InitClient(ClientPtr client, int i, pointer ospriv) client->big_requests = FALSE; client->priority = 0; client->clientState = ClientStateInitial; + client->devPrivates = NULL; #ifdef XKB if (!noXkbExtension) { client->xkbClientFlags = 0; @@ -3711,54 +3754,6 @@ void InitClient(ClientPtr client, int i, pointer ospriv) #endif } -int -InitClientPrivates(ClientPtr client) -{ - char *ptr; - DevUnion *ppriv; - unsigned *sizes; - unsigned size; - int i; - - if (totalClientSize == sizeof(ClientRec)) - ppriv = (DevUnion *)NULL; - else if (client->index) - ppriv = (DevUnion *)(client + 1); - else - { - ppriv = (DevUnion *)xalloc(totalClientSize - sizeof(ClientRec)); - if (!ppriv) - return 0; - } - client->devPrivates = ppriv; - sizes = clientPrivateSizes; - ptr = (char *)(ppriv + clientPrivateLen); - if (ppriv) - bzero(ppriv, totalClientSize - sizeof(ClientRec)); - for (i = clientPrivateLen; --i >= 0; ppriv++, sizes++) - { - if ( (size = *sizes) ) - { - ppriv->ptr = (pointer)ptr; - ptr += size; - } - else - ppriv->ptr = (pointer)NULL; - } - - /* Allow registrants to initialize the serverClient devPrivates */ - if (!client->index && ClientStateCallback) - { - NewClientInfoRec clientinfo; - - clientinfo.client = client; - clientinfo.prefix = (xConnSetupPrefix *)NULL; - clientinfo.setup = (xConnSetup *) NULL; - CallCallbacks((&ClientStateCallback), (pointer)&clientinfo); - } - return 1; -} - /************************ * int NextAvailableClient(ospriv) * @@ -3775,11 +3770,10 @@ ClientPtr NextAvailableClient(pointer ospriv) i = nextFreeClientID; if (i == MAXCLIENTS) return (ClientPtr)NULL; - clients[i] = client = (ClientPtr)xalloc(totalClientSize); + clients[i] = client = (ClientPtr)xalloc(sizeof(ClientRec)); if (!client) return (ClientPtr)NULL; InitClient(client, i, ospriv); - InitClientPrivates(client); if (!InitClientResources(client)) { xfree(client); @@ -4002,9 +3996,11 @@ DeleteWindowFromAnySelections(WindowPtr pWin) info.kind = SelectionWindowDestroy; CallCallbacks(&SelectionCallback, &info); } + dixFreePrivates(CurrentSelections[i].devPrivates); CurrentSelections[i].pWin = (WindowPtr)NULL; CurrentSelections[i].window = None; CurrentSelections[i].client = NullClient; + CurrentSelections[i].devPrivates = NULL; } } @@ -4024,9 +4020,11 @@ DeleteClientFromAnySelections(ClientPtr client) info.kind = SelectionWindowDestroy; CallCallbacks(&SelectionCallback, &info); } + dixFreePrivates(CurrentSelections[i].devPrivates); CurrentSelections[i].pWin = (WindowPtr)NULL; CurrentSelections[i].window = None; CurrentSelections[i].client = NullClient; + CurrentSelections[i].devPrivates = NULL; } } @@ -4035,60 +4033,3 @@ MarkClientException(ClientPtr client) { client->noClientException = -1; } - -#ifdef XSERVER_DTRACE -#include <ctype.h> - -/* Load table of request names for dtrace probes */ -static void LoadRequestNames(void) -{ - int i; - FILE *xedb; - extern void LoadExtensionNames(char **RequestNames); - - bzero(RequestNames, 256 * sizeof(char *)); - - xedb = fopen(XERRORDB_PATH, "r"); - if (xedb != NULL) { - char buf[256]; - while (fgets(buf, sizeof(buf), xedb)) { - if ((strncmp("XRequest.", buf, 9) == 0) && (isdigit(buf[9]))) { - char *name; - i = strtol(buf + 9, &name, 10); - if (RequestNames[i] == 0) { - char *end = strchr(name, '\n'); - if (end) { *end = '\0'; } - RequestNames[i] = strdup(name + 1); - } - } - } - fclose(xedb); - } - - LoadExtensionNames(RequestNames); - - for (i = 0; i < 256; i++) { - if (RequestNames[i] == 0) { -#define RN_SIZE 12 /* "Request#' + up to 3 digits + \0 */ - RequestNames[i] = xalloc(RN_SIZE); - if (RequestNames[i]) { - snprintf(RequestNames[i], RN_SIZE, "Request#%d", i); - } - } - /* fprintf(stderr, "%d: %s\n", i, RequestNames[i]); */ - } -} - -static void FreeRequestNames(void) -{ - int i; - - for (i = 0; i < 256; i++) { - if (RequestNames[i] != 0) { - free(RequestNames[i]); - RequestNames[i] = 0; - } - } -} - -#endif |