diff -Naur xorg-server-1.12.4.orig/dbe/dbe.c xorg-server-1.12.4/dbe/dbe.c
--- xorg-server-1.12.4.orig/dbe/dbe.c 2012-05-17 19:09:01.000000000 +0200
+++ xorg-server-1.12.4/dbe/dbe.c 2014-11-28 09:50:59.185807584 +0100
@@ -453,18 +453,20 @@
DbeSwapInfoPtr swapInfo;
xDbeSwapInfo *dbeSwapInfo;
int error;
- register int i, j;
- int nStuff;
+ unsigned int i, j;
+ unsigned int nStuff;
REQUEST_AT_LEAST_SIZE(xDbeSwapBuffersReq);
nStuff = stuff->n; /* use local variable for performance. */
if (nStuff == 0) {
+ REQUEST_SIZE_MATCH(xDbeSwapBuffersReq);
return Success;
}
if (nStuff > UINT32_MAX / sizeof(DbeSwapInfoRec))
return BadAlloc;
+ REQUEST_FIXED_SIZE(xDbeSwapBuffersReq, nStuff * sizeof(xDbeSwapInfo));
/* Get to the swap info appended to the end of the request. */
dbeSwapInfo = (xDbeSwapInfo *) &stuff[1];
@@ -955,13 +957,16 @@
SProcDbeSwapBuffers(ClientPtr client)
{
REQUEST(xDbeSwapBuffersReq);
- register int i;
+ unsigned int i;
xDbeSwapInfo *pSwapInfo;
swaps(&stuff->length);
REQUEST_AT_LEAST_SIZE(xDbeSwapBuffersReq);
swapl(&stuff->n);
+ if (stuff->n > UINT32_MAX / sizeof(DbeSwapInfoRec))
+ return BadAlloc;
+ REQUEST_FIXED_SIZE(xDbeSwapBuffersReq, stuff->n * sizeof(xDbeSwapInfo));
if (stuff->n != 0) {
pSwapInfo = (xDbeSwapInfo *) stuff + 1;
diff -Naur xorg-server-1.12.4.orig/dix/dispatch.c xorg-server-1.12.4/dix/dispatch.c
--- xorg-server-1.12.4.orig/dix/dispatch.c 2012-05-17 19:09:01.000000000 +0200
+++ xorg-server-1.12.4/dix/dispatch.c 2014-11-28 09:50:37.761568914 +0100
@@ -1952,6 +1952,9 @@
tmpImage = (char *) &stuff[1];
lengthProto = length;
+ if (lengthProto >= (INT32_MAX / stuff->height))
+ return BadLength;
+
if ((bytes_to_int32(lengthProto * stuff->height) +
bytes_to_int32(sizeof(xPutImageReq))) != client->req_len)
return BadLength;
diff -Naur xorg-server-1.12.4.orig/dix/region.c xorg-server-1.12.4/dix/region.c
--- xorg-server-1.12.4.orig/dix/region.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/dix/region.c 2014-11-28 09:50:45.169651442 +0100
@@ -169,7 +169,6 @@
((r1)->y1 <= (r2)->y1) && \
((r1)->y2 >= (r2)->y2) )
-#define xallocData(n) malloc(RegionSizeof(n))
#define xfreeData(reg) if ((reg)->data && (reg)->data->size) free((reg)->data)
#define RECTALLOC_BAIL(pReg,n,bail) \
@@ -205,8 +204,9 @@
#define DOWNSIZE(reg,numRects) \
if (((numRects) < ((reg)->data->size >> 1)) && ((reg)->data->size > 50)) \
{ \
- RegDataPtr NewData; \
- NewData = (RegDataPtr)realloc((reg)->data, RegionSizeof(numRects)); \
+ size_t NewSize = RegionSizeof(numRects); \
+ RegDataPtr NewData = \
+ (NewSize > 0) ? realloc((reg)->data, NewSize) : NULL ; \
if (NewData) \
{ \
NewData->size = (numRects); \
@@ -330,17 +330,20 @@
RegionRectAlloc(RegionPtr pRgn, int n)
{
RegDataPtr data;
+ size_t rgnSize;
if (!pRgn->data) {
n++;
- pRgn->data = xallocData(n);
+ rgnSize = RegionSizeof(n);
+ pRgn->data = (rgnSize > 0) ? malloc(rgnSize) : NULL;
if (!pRgn->data)
return RegionBreak(pRgn);
pRgn->data->numRects = 1;
*RegionBoxptr(pRgn) = pRgn->extents;
}
else if (!pRgn->data->size) {
- pRgn->data = xallocData(n);
+ rgnSize = RegionSizeof(n);
+ pRgn->data = (rgnSize > 0) ? malloc(rgnSize) : NULL;
if (!pRgn->data)
return RegionBreak(pRgn);
pRgn->data->numRects = 0;
@@ -352,7 +355,8 @@
n = 250;
}
n += pRgn->data->numRects;
- data = (RegDataPtr) realloc(pRgn->data, RegionSizeof(n));
+ rgnSize = RegionSizeof(n);
+ data = (rgnSize > 0) ? realloc(pRgn->data, rgnSize) : NULL;
if (!data)
return RegionBreak(pRgn);
pRgn->data = data;
@@ -1297,6 +1301,7 @@
{
RegionPtr pRgn;
+ size_t rgnSize;
RegDataPtr pData;
BoxPtr pBox;
int i;
@@ -1323,7 +1328,8 @@
}
return pRgn;
}
- pData = xallocData(nrects);
+ rgnSize = RegionSizeof(nrects);
+ pData = (rgnSize > 0) ? malloc(rgnSize) : NULL;
if (!pData) {
RegionBreak(pRgn);
return pRgn;
diff -Naur xorg-server-1.12.4.orig/glx/glxcmds.c xorg-server-1.12.4/glx/glxcmds.c
--- xorg-server-1.12.4.orig/glx/glxcmds.c 2012-08-02 02:59:23.000000000 +0200
+++ xorg-server-1.12.4/glx/glxcmds.c 2014-11-28 09:51:59.834483171 +0100
@@ -1948,7 +1948,7 @@
left = (req->length << 2) - sz_xGLXRenderReq;
while (left > 0) {
__GLXrenderSizeData entry;
- int extra;
+ int extra = 0;
__GLXdispatchRenderProcPtr proc;
int err;
@@ -1967,6 +1967,9 @@
cmdlen = hdr->length;
opcode = hdr->opcode;
+ if (left < cmdlen)
+ return BadLength;
+
/*
** Check for core opcodes and grab entry data.
*/
@@ -1980,24 +1983,20 @@
return __glXError(GLXBadRenderRequest);
}
+ if (cmdlen < entry.bytes) {
+ return BadLength;
+ }
+
if (entry.varsize) {
/* variable size command */
extra = (*entry.varsize) (pc + __GLX_RENDER_HDR_SIZE,
client->swapped);
if (extra < 0) {
- extra = 0;
- }
- if (cmdlen != __GLX_PAD(entry.bytes + extra)) {
- return BadLength;
- }
- }
- else {
- /* constant size command */
- if (cmdlen != __GLX_PAD(entry.bytes)) {
return BadLength;
}
}
- if (left < cmdlen) {
+
+ if (cmdlen != safe_pad(safe_add(entry.bytes, extra))) {
return BadLength;
}
@@ -2102,7 +2101,7 @@
extra = (*entry.varsize) (pc + __GLX_RENDER_LARGE_HDR_SIZE,
client->swapped);
if (extra < 0) {
- extra = 0;
+ return BadLength;
}
/* large command's header is 4 bytes longer, so add 4 */
if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) {
diff -Naur xorg-server-1.12.4.orig/glx/glxcmdsswap.c xorg-server-1.12.4/glx/glxcmdsswap.c
--- xorg-server-1.12.4.orig/glx/glxcmdsswap.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/glxcmdsswap.c 2014-11-28 09:52:11.210609886 +0100
@@ -962,11 +962,13 @@
int
__glXDispSwap_VendorPrivate(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
xGLXVendorPrivateReq *req;
GLint vendorcode;
__GLXdispatchVendorPrivProcPtr proc;
__GLX_DECLARE_SWAP_VARIABLES;
+ REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq);
req = (xGLXVendorPrivateReq *) pc;
__GLX_SWAP_SHORT(&req->length);
@@ -989,11 +991,13 @@
int
__glXDispSwap_VendorPrivateWithReply(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
xGLXVendorPrivateWithReplyReq *req;
GLint vendorcode;
__GLXdispatchVendorPrivProcPtr proc;
__GLX_DECLARE_SWAP_VARIABLES;
+ REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateWithReplyReq);
req = (xGLXVendorPrivateWithReplyReq *) pc;
__GLX_SWAP_SHORT(&req->length);
diff -Naur xorg-server-1.12.4.orig/glx/glxserver.h xorg-server-1.12.4/glx/glxserver.h
--- xorg-server-1.12.4.orig/glx/glxserver.h 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/glxserver.h 2014-11-28 09:51:56.474445744 +0100
@@ -218,6 +218,47 @@
* Routines for computing the size of variably-sized rendering commands.
*/
+static _X_INLINE int
+safe_add(int a, int b)
+{
+ if (a < 0 || b < 0)
+ return -1;
+
+ if (INT_MAX - a < b)
+ return -1;
+
+ return a + b;
+}
+
+static _X_INLINE int
+safe_mul(int a, int b)
+{
+ if (a < 0 || b < 0)
+ return -1;
+
+ if (a == 0 || b == 0)
+ return 0;
+
+ if (a > INT_MAX / b)
+ return -1;
+
+ return a * b;
+}
+
+static _X_INLINE int
+safe_pad(int a)
+{
+ int ret;
+
+ if (a < 0)
+ return -1;
+
+ if ((ret = safe_add(a, 3)) < 0)
+ return -1;
+
+ return ret & (GLuint)~3;
+}
+
extern int __glXTypeSize(GLenum enm);
extern int __glXImageSize(GLenum format, GLenum type,
GLenum target, GLsizei w, GLsizei h, GLsizei d,
diff -Naur xorg-server-1.12.4.orig/glx/indirect_program.c xorg-server-1.12.4/glx/indirect_program.c
--- xorg-server-1.12.4.orig/glx/indirect_program.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/indirect_program.c 2014-11-28 09:52:15.138653638 +0100
@@ -69,6 +69,8 @@
__GLXcontext *const cx = __glXForceCurrent(cl, req->contextTag, &error);
ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateWithReplyReq, 8);
+
pc += __GLX_VENDPRIV_HDR_SIZE;
if (cx != NULL) {
GLenum target;
diff -Naur xorg-server-1.12.4.orig/glx/indirect_util.c xorg-server-1.12.4/glx/indirect_util.c
--- xorg-server-1.12.4.orig/glx/indirect_util.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/indirect_util.c 2014-11-28 09:52:18.662692891 +0100
@@ -78,12 +78,17 @@
void *local_buffer, size_t local_size, unsigned alignment)
{
void *buffer = local_buffer;
- const unsigned mask = alignment - 1;
+ const intptr_t mask = alignment - 1;
if (local_size < required_size) {
- const size_t worst_case_size = required_size + alignment;
+ size_t worst_case_size;
intptr_t temp_buf;
+ if (required_size < SIZE_MAX - alignment)
+ worst_case_size = required_size + alignment;
+ else
+ return NULL;
+
if (cl->returnBufSize < worst_case_size) {
void *temp = realloc(cl->returnBuf, worst_case_size);
diff -Naur xorg-server-1.12.4.orig/glx/rensize.c xorg-server-1.12.4/glx/rensize.c
--- xorg-server-1.12.4.orig/glx/rensize.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/rensize.c 2014-11-28 09:52:04.398534008 +0100
@@ -43,19 +43,11 @@
(((a & 0xff000000U)>>24) | ((a & 0xff0000U)>>8) | \
((a & 0xff00U)<<8) | ((a & 0xffU)<<24))
-static int
-Map1Size(GLint k, GLint order)
-{
- if (order <= 0 || k < 0)
- return -1;
- return k * order;
-}
-
int
__glXMap1dReqSize(const GLbyte * pc, Bool swap)
{
GLenum target;
- GLint order, k;
+ GLint order;
target = *(GLenum *) (pc + 16);
order = *(GLint *) (pc + 20);
@@ -63,15 +55,16 @@
target = SWAPL(target);
order = SWAPL(order);
}
- k = __glMap1d_size(target);
- return 8 * Map1Size(k, order);
+ if (order < 1)
+ return -1;
+ return safe_mul(8, safe_mul(__glMap1d_size(target), order));
}
int
__glXMap1fReqSize(const GLbyte * pc, Bool swap)
{
GLenum target;
- GLint order, k;
+ GLint order;
target = *(GLenum *) (pc + 0);
order = *(GLint *) (pc + 12);
@@ -79,23 +72,24 @@
target = SWAPL(target);
order = SWAPL(order);
}
- k = __glMap1f_size(target);
- return 4 * Map1Size(k, order);
+ if (order < 1)
+ return -1;
+ return safe_mul(4, safe_mul(__glMap1f_size(target), order));
}
static int
Map2Size(int k, int majorOrder, int minorOrder)
{
- if (majorOrder <= 0 || minorOrder <= 0 || k < 0)
+ if (majorOrder < 1 || minorOrder < 1)
return -1;
- return k * majorOrder * minorOrder;
+ return safe_mul(k, safe_mul(majorOrder, minorOrder));
}
int
__glXMap2dReqSize(const GLbyte * pc, Bool swap)
{
GLenum target;
- GLint uorder, vorder, k;
+ GLint uorder, vorder;
target = *(GLenum *) (pc + 32);
uorder = *(GLint *) (pc + 36);
@@ -105,15 +99,14 @@
uorder = SWAPL(uorder);
vorder = SWAPL(vorder);
}
- k = __glMap2d_size(target);
- return 8 * Map2Size(k, uorder, vorder);
+ return safe_mul(8, Map2Size(__glMap2d_size(target), uorder, vorder));
}
int
__glXMap2fReqSize(const GLbyte * pc, Bool swap)
{
GLenum target;
- GLint uorder, vorder, k;
+ GLint uorder, vorder;
target = *(GLenum *) (pc + 0);
uorder = *(GLint *) (pc + 12);
@@ -123,8 +116,7 @@
uorder = SWAPL(uorder);
vorder = SWAPL(vorder);
}
- k = __glMap2f_size(target);
- return 4 * Map2Size(k, uorder, vorder);
+ return safe_mul(4, Map2Size(__glMap2f_size(target), uorder, vorder));
}
/**
@@ -175,14 +167,16 @@
GLint bytesPerElement, elementsPerGroup, groupsPerRow;
GLint groupSize, rowSize, padding, imageSize;
+ if (w == 0 || h == 0 || d == 0)
+ return 0;
+
if (w < 0 || h < 0 || d < 0 ||
(type == GL_BITMAP &&
(format != GL_COLOR_INDEX && format != GL_STENCIL_INDEX))) {
return -1;
}
- if (w == 0 || h == 0 || d == 0)
- return 0;
+ /* proxy targets have no data */
switch (target) {
case GL_PROXY_TEXTURE_1D:
case GL_PROXY_TEXTURE_2D:
@@ -199,6 +193,12 @@
return 0;
}
+ /* real data has to have real sizes */
+ if (imageHeight < 0 || rowLength < 0 || skipImages < 0 || skipRows < 0)
+ return -1;
+ if (alignment != 1 && alignment != 2 && alignment != 4 && alignment != 8)
+ return -1;
+
if (type == GL_BITMAP) {
if (rowLength > 0) {
groupsPerRow = rowLength;
@@ -207,11 +207,14 @@
groupsPerRow = w;
}
rowSize = bits_to_bytes(groupsPerRow);
+ if (rowSize < 0)
+ return -1;
padding = (rowSize % alignment);
if (padding) {
rowSize += alignment - padding;
}
- return ((h + skipRows) * rowSize);
+
+ return safe_mul(safe_add(h, skipRows), rowSize);
}
else {
switch (format) {
@@ -224,6 +227,11 @@
case GL_ALPHA:
case GL_LUMINANCE:
case GL_INTENSITY:
+ case GL_RED_INTEGER_EXT:
+ case GL_GREEN_INTEGER_EXT:
+ case GL_BLUE_INTEGER_EXT:
+ case GL_ALPHA_INTEGER_EXT:
+ case GL_LUMINANCE_INTEGER_EXT:
elementsPerGroup = 1;
break;
case GL_422_EXT:
@@ -234,14 +242,19 @@
case GL_DEPTH_STENCIL_MESA:
case GL_YCBCR_MESA:
case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
elementsPerGroup = 2;
break;
case GL_RGB:
case GL_BGR:
+ case GL_RGB_INTEGER_EXT:
+ case GL_BGR_INTEGER_EXT:
elementsPerGroup = 3;
break;
case GL_RGBA:
case GL_BGRA:
+ case GL_RGBA_INTEGER_EXT:
+ case GL_BGRA_INTEGER_EXT:
case GL_ABGR_EXT:
elementsPerGroup = 4;
break;
@@ -293,6 +306,7 @@
default:
return -1;
}
+ /* known safe by the switches above, not checked */
groupSize = bytesPerElement * elementsPerGroup;
if (rowLength > 0) {
groupsPerRow = rowLength;
@@ -300,18 +314,21 @@
else {
groupsPerRow = w;
}
- rowSize = groupsPerRow * groupSize;
+
+ if ((rowSize = safe_mul(groupsPerRow, groupSize)) < 0)
+ return -1;
padding = (rowSize % alignment);
if (padding) {
rowSize += alignment - padding;
}
- if (imageHeight > 0) {
- imageSize = (imageHeight + skipRows) * rowSize;
- }
- else {
- imageSize = (h + skipRows) * rowSize;
- }
- return ((d + skipImages) * imageSize);
+
+ if (imageHeight > 0)
+ h = imageHeight;
+ h = safe_add(h, skipRows);
+
+ imageSize = safe_mul(h, rowSize);
+
+ return safe_mul(safe_add(d, skipImages), imageSize);
}
}
@@ -435,9 +452,7 @@
/* XXX Should rowLength be used for either or both image? */
image1size = __glXImageSize(format, type, 0, w, 1, 1,
0, rowLength, 0, 0, alignment);
- image1size = __GLX_PAD(image1size);
image2size = __glXImageSize(format, type, 0, h, 1, 1,
0, rowLength, 0, 0, alignment);
- return image1size + image2size;
-
+ return safe_add(safe_pad(image1size), image2size);
}
diff -Naur xorg-server-1.12.4.orig/glx/singlepix.c xorg-server-1.12.4/glx/singlepix.c
--- xorg-server-1.12.4.orig/glx/singlepix.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/singlepix.c 2014-11-28 09:51:46.254331903 +0100
@@ -69,7 +69,7 @@
lsbFirst = *(GLboolean *) (pc + 25);
compsize = __glReadPixels_size(format, type, width, height);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst));
@@ -134,7 +134,7 @@
compsize =
__glGetTexImage_size(target, level, format, type, width, height, depth);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
@@ -232,9 +232,9 @@
compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
if (compsize2 < 0)
- compsize2 = 0;
+ return BadLength;
compsize = __GLX_PAD(compsize);
compsize2 = __GLX_PAD(compsize2);
@@ -315,7 +315,7 @@
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, height, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
@@ -386,7 +386,7 @@
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
@@ -447,7 +447,7 @@
compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
@@ -513,7 +513,7 @@
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
diff -Naur xorg-server-1.12.4.orig/glx/singlepixswap.c xorg-server-1.12.4/glx/singlepixswap.c
--- xorg-server-1.12.4.orig/glx/singlepixswap.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/singlepixswap.c 2014-11-28 09:51:46.254331903 +0100
@@ -79,7 +79,7 @@
lsbFirst = *(GLboolean *) (pc + 25);
compsize = __glReadPixels_size(format, type, width, height);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst));
@@ -155,7 +155,7 @@
compsize =
__glGetTexImage_size(target, level, format, type, width, height, depth);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
@@ -267,9 +267,9 @@
compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
if (compsize2 < 0)
- compsize2 = 0;
+ return BadLength;
compsize = __GLX_PAD(compsize);
compsize2 = __GLX_PAD(compsize2);
@@ -358,7 +358,7 @@
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, height, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
@@ -437,7 +437,7 @@
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
@@ -505,7 +505,7 @@
compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
@@ -577,7 +577,7 @@
*/
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
if (compsize < 0)
- compsize = 0;
+ return BadLength;
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
diff -Naur xorg-server-1.12.4.orig/glx/swap_interval.c xorg-server-1.12.4/glx/swap_interval.c
--- xorg-server-1.12.4.orig/glx/swap_interval.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/swap_interval.c 2014-11-28 09:52:15.138653638 +0100
@@ -50,6 +50,8 @@
__GLXcontext *cx;
GLint interval;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 4);
+
cx = __glXLookupContextByTag(cl, tag);
if ((cx == NULL) || (cx->pGlxScreen == NULL)) {
diff -Naur xorg-server-1.12.4.orig/glx/unpack.h xorg-server-1.12.4/glx/unpack.h
--- xorg-server-1.12.4.orig/glx/unpack.h 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/unpack.h 2014-11-28 09:51:49.594369108 +0100
@@ -83,7 +83,8 @@
** pointer.
*/
#define __GLX_GET_ANSWER_BUFFER(res,cl,size,align) \
- if ((size) > sizeof(answerBuffer)) { \
+ if (size < 0) return BadLength; \
+ else if ((size) > sizeof(answerBuffer)) { \
int bump; \
if ((cl)->returnBufSize < (size)+(align)) { \
(cl)->returnBuf = (GLbyte*)realloc((cl)->returnBuf, \
diff -Naur xorg-server-1.12.4.orig/hw/xfree86/dri2/dri2ext.c xorg-server-1.12.4/hw/xfree86/dri2/dri2ext.c
--- xorg-server-1.12.4.orig/hw/xfree86/dri2/dri2ext.c 2012-05-17 19:09:03.000000000 +0200
+++ xorg-server-1.12.4/hw/xfree86/dri2/dri2ext.c 2014-11-28 09:50:54.413754423 +0100
@@ -263,6 +263,9 @@
unsigned int *attachments;
REQUEST_FIXED_SIZE(xDRI2GetBuffersReq, stuff->count * 4);
+ if (stuff->count > (INT_MAX / 4))
+ return BadLength;
+
if (!validDrawable(client, stuff->drawable, DixReadAccess | DixWriteAccess,
&pDrawable, &status))
return status;
diff -Naur xorg-server-1.12.4.orig/include/dix.h xorg-server-1.12.4/include/dix.h
--- xorg-server-1.12.4.orig/include/dix.h 2012-05-17 19:09:04.000000000 +0200
+++ xorg-server-1.12.4/include/dix.h 2014-11-28 09:50:49.805703089 +0100
@@ -74,7 +74,8 @@
#define REQUEST_FIXED_SIZE(req, n)\
if (((sizeof(req) >> 2) > client->req_len) || \
- (((sizeof(req) + (n) + 3) >> 2) != client->req_len)) \
+ ((n >> 2) >= client->req_len) || \
+ ((((uint64_t) sizeof(req) + (n) + 3) >> 2) != (uint64_t) client->req_len)) \
return(BadLength)
#define LEGAL_NEW_RESOURCE(id,client)\
diff -Naur xorg-server-1.12.4.orig/include/regionstr.h xorg-server-1.12.4/include/regionstr.h
--- xorg-server-1.12.4.orig/include/regionstr.h 2012-05-17 19:09:04.000000000 +0200
+++ xorg-server-1.12.4/include/regionstr.h 2014-11-28 09:50:45.169651442 +0100
@@ -127,7 +127,10 @@
static inline size_t
RegionSizeof(int n)
{
- return (sizeof(RegDataRec) + ((n) * sizeof(BoxRec)));
+ if (n < ((INT_MAX - sizeof(RegDataRec)) / sizeof(BoxRec)))
+ return (sizeof(RegDataRec) + ((n) * sizeof(BoxRec)));
+ else
+ return 0;
}
static inline void
@@ -138,9 +141,10 @@
(_pReg)->data = (RegDataPtr) NULL;
}
else {
+ size_t rgnSize;
(_pReg)->extents = RegionEmptyBox;
- if (((_size) > 1) && ((_pReg)->data =
- (RegDataPtr) malloc(RegionSizeof(_size)))) {
+ if (((_size) > 1) && ((rgnSize = RegionSizeof(_size)) > 0) &&
+ (((_pReg)->data = malloc(rgnSize)) != NULL)) {
(_pReg)->data->size = (_size);
(_pReg)->data->numRects = 0;
}
diff -Naur xorg-server-1.12.4.orig/os/access.c xorg-server-1.12.4/os/access.c
--- xorg-server-1.12.4.orig/os/access.c 2012-05-17 19:09:04.000000000 +0200
+++ xorg-server-1.12.4/os/access.c 2014-11-28 09:50:41.409609554 +0100
@@ -1331,6 +1331,10 @@
for (host = validhosts; host; host = host->next) {
nHosts++;
n += pad_to_int32(host->len) + sizeof(xHostEntry);
+ /* Could check for INT_MAX, but in reality having more than 1mb of
+ hostnames in the access list is ridiculous */
+ if (n >= 1048576)
+ break;
}
if (n) {
*data = ptr = malloc(n);
@@ -1339,6 +1343,8 @@
}
for (host = validhosts; host; host = host->next) {
len = host->len;
+ if ((ptr + sizeof(xHostEntry) + len) > (data + n))
+ break;
((xHostEntry *) ptr)->family = host->family;
((xHostEntry *) ptr)->length = len;
ptr += sizeof(xHostEntry);
diff -Naur xorg-server-1.12.4.orig/os/rpcauth.c xorg-server-1.12.4/os/rpcauth.c
--- xorg-server-1.12.4.orig/os/rpcauth.c 2012-05-17 19:09:04.000000000 +0200
+++ xorg-server-1.12.4/os/rpcauth.c 2014-11-28 09:50:32.861514326 +0100
@@ -66,6 +66,10 @@
SVCXPRT xprt;
temp_inmsg = malloc(len);
+ if (temp_inmsg == NULL) {
+ why = AUTH_FAILED; /* generic error, since there is no AUTH_BADALLOC */
+ return NULL;
+ }
memmove(temp_inmsg, inmsg, len);
memset((char *) &msg, 0, sizeof(msg));
diff -Naur xorg-server-1.12.4.orig/randr/rrsdispatch.c xorg-server-1.12.4/randr/rrsdispatch.c
--- xorg-server-1.12.4.orig/randr/rrsdispatch.c 2012-05-17 19:09:05.000000000 +0200
+++ xorg-server-1.12.4/randr/rrsdispatch.c 2014-11-28 09:51:10.885937921 +0100
@@ -27,6 +27,7 @@
{
REQUEST(xRRQueryVersionReq);
+ REQUEST_SIZE_MATCH(xRRQueryVersionReq);
swaps(&stuff->length);
swapl(&stuff->majorVersion);
swapl(&stuff->minorVersion);
@@ -38,6 +39,7 @@
{
REQUEST(xRRGetScreenInfoReq);
+ REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
swaps(&stuff->length);
swapl(&stuff->window);
return (*ProcRandrVector[stuff->randrReqType]) (client);
@@ -69,6 +71,7 @@
{
REQUEST(xRRSelectInputReq);
+ REQUEST_SIZE_MATCH(xRRSelectInputReq);
swaps(&stuff->length);
swapl(&stuff->window);
swaps(&stuff->enable);
@@ -152,6 +155,7 @@
{
REQUEST(xRRConfigureOutputPropertyReq);
+ REQUEST_AT_LEAST_SIZE(xRRConfigureOutputPropertyReq);
swaps(&stuff->length);
swapl(&stuff->output);
swapl(&stuff->property);
diff -Naur xorg-server-1.12.4.orig/render/render.c xorg-server-1.12.4/render/render.c
--- xorg-server-1.12.4.orig/render/render.c 2012-08-02 02:59:23.000000000 +0200
+++ xorg-server-1.12.4/render/render.c 2014-11-28 09:51:16.878004670 +0100
@@ -1994,7 +1994,7 @@
SProcRenderQueryVersion(ClientPtr client)
{
REQUEST(xRenderQueryVersionReq);
-
+ REQUEST_SIZE_MATCH(xRenderQueryVersionReq);
swaps(&stuff->length);
swapl(&stuff->majorVersion);
swapl(&stuff->minorVersion);
@@ -2005,6 +2005,7 @@
SProcRenderQueryPictFormats(ClientPtr client)
{
REQUEST(xRenderQueryPictFormatsReq);
+ REQUEST_SIZE_MATCH(xRenderQueryPictFormatsReq);
swaps(&stuff->length);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
@@ -2013,6 +2014,7 @@
SProcRenderQueryPictIndexValues(ClientPtr client)
{
REQUEST(xRenderQueryPictIndexValuesReq);
+ REQUEST_AT_LEAST_SIZE(xRenderQueryPictIndexValuesReq);
swaps(&stuff->length);
swapl(&stuff->format);
return (*ProcRenderVector[stuff->renderReqType]) (client);
@@ -2028,6 +2030,7 @@
SProcRenderCreatePicture(ClientPtr client)
{
REQUEST(xRenderCreatePictureReq);
+ REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq);
swaps(&stuff->length);
swapl(&stuff->pid);
swapl(&stuff->drawable);
@@ -2041,6 +2044,7 @@
SProcRenderChangePicture(ClientPtr client)
{
REQUEST(xRenderChangePictureReq);
+ REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq);
swaps(&stuff->length);
swapl(&stuff->picture);
swapl(&stuff->mask);
@@ -2052,6 +2056,7 @@
SProcRenderSetPictureClipRectangles(ClientPtr client)
{
REQUEST(xRenderSetPictureClipRectanglesReq);
+ REQUEST_AT_LEAST_SIZE(xRenderSetPictureClipRectanglesReq);
swaps(&stuff->length);
swapl(&stuff->picture);
swaps(&stuff->xOrigin);
@@ -2064,6 +2069,7 @@
SProcRenderFreePicture(ClientPtr client)
{
REQUEST(xRenderFreePictureReq);
+ REQUEST_SIZE_MATCH(xRenderFreePictureReq);
swaps(&stuff->length);
swapl(&stuff->picture);
return (*ProcRenderVector[stuff->renderReqType]) (client);
@@ -2073,6 +2079,7 @@
SProcRenderComposite(ClientPtr client)
{
REQUEST(xRenderCompositeReq);
+ REQUEST_SIZE_MATCH(xRenderCompositeReq);
swaps(&stuff->length);
swapl(&stuff->src);
swapl(&stuff->mask);
@@ -2092,6 +2099,7 @@
SProcRenderScale(ClientPtr client)
{
REQUEST(xRenderScaleReq);
+ REQUEST_SIZE_MATCH(xRenderScaleReq);
swaps(&stuff->length);
swapl(&stuff->src);
swapl(&stuff->dst);
@@ -2192,6 +2200,7 @@
SProcRenderCreateGlyphSet(ClientPtr client)
{
REQUEST(xRenderCreateGlyphSetReq);
+ REQUEST_SIZE_MATCH(xRenderCreateGlyphSetReq);
swaps(&stuff->length);
swapl(&stuff->gsid);
swapl(&stuff->format);
@@ -2202,6 +2211,7 @@
SProcRenderReferenceGlyphSet(ClientPtr client)
{
REQUEST(xRenderReferenceGlyphSetReq);
+ REQUEST_SIZE_MATCH(xRenderReferenceGlyphSetReq);
swaps(&stuff->length);
swapl(&stuff->gsid);
swapl(&stuff->existing);
@@ -2212,6 +2222,7 @@
SProcRenderFreeGlyphSet(ClientPtr client)
{
REQUEST(xRenderFreeGlyphSetReq);
+ REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq);
swaps(&stuff->length);
swapl(&stuff->glyphset);
return (*ProcRenderVector[stuff->renderReqType]) (client);
@@ -2226,6 +2237,7 @@
xGlyphInfo *gi;
REQUEST(xRenderAddGlyphsReq);
+ REQUEST_AT_LEAST_SIZE(xRenderAddGlyphsReq);
swaps(&stuff->length);
swapl(&stuff->glyphset);
swapl(&stuff->nglyphs);
@@ -2260,6 +2272,7 @@
SProcRenderFreeGlyphs(ClientPtr client)
{
REQUEST(xRenderFreeGlyphsReq);
+ REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq);
swaps(&stuff->length);
swapl(&stuff->glyphset);
SwapRestL(stuff);
@@ -2277,6 +2290,7 @@
int size;
REQUEST(xRenderCompositeGlyphsReq);
+ REQUEST_AT_LEAST_SIZE(xRenderCompositeGlyphsReq);
switch (stuff->renderReqType) {
default:
diff -Naur xorg-server-1.12.4.orig/test/misc.c xorg-server-1.12.4/test/misc.c
--- xorg-server-1.12.4.orig/test/misc.c 2012-05-17 19:09:05.000000000 +0200
+++ xorg-server-1.12.4/test/misc.c 2014-11-28 09:51:33.354188205 +0100
@@ -28,6 +28,8 @@
#include <stdint.h>
#include "misc.h"
#include "scrnintstr.h"
+#include "dix.h"
+#include "dixstruct.h"
ScreenInfo screenInfo;
@@ -155,11 +157,46 @@
assert_dimensions(-w2, -h2, w2, h2);
}
+static int
+dix_request_fixed_size_overflow(ClientRec *client)
+{
+ xReq req = { 0 };
+
+ client->req_len = req.length = 1;
+ REQUEST_FIXED_SIZE(req, SIZE_MAX);
+ return Success;
+}
+
+static int
+dix_request_fixed_size_match(ClientRec *client)
+{
+ xReq req = { 0 };
+
+ client->req_len = req.length = 9;
+ REQUEST_FIXED_SIZE(req, 30);
+ return Success;
+}
+
+static void
+dix_request_size_checks(void)
+{
+ ClientRec client = { 0 };
+ int rc;
+
+ rc = dix_request_fixed_size_overflow(&client);
+ assert(rc == BadLength);
+
+ rc = dix_request_fixed_size_match(&client);
+ assert(rc == Success);
+}
+
+
int
main(int argc, char **argv)
{
dix_version_compare();
dix_update_desktop_dimensions();
+ dix_request_size_checks();
return 0;
}
diff -Naur xorg-server-1.12.4.orig/test/xi2/protocol-xigetclientpointer.c xorg-server-1.12.4/test/xi2/protocol-xigetclientpointer.c
--- xorg-server-1.12.4.orig/test/xi2/protocol-xigetclientpointer.c 2012-05-17 19:09:05.000000000 +0200
+++ xorg-server-1.12.4/test/xi2/protocol-xigetclientpointer.c 2014-11-28 09:51:28.970139371 +0100
@@ -124,6 +124,11 @@
request.win = INVALID_WINDOW_ID;
request_XIGetClientPointer(&client_request, &request, BadWindow);
+ printf("Testing invalid length\n");
+ client_request.req_len -= 4;
+ request_XIGetClientPointer(&client_request, &request, BadLength);
+ client_request.req_len += 4;
+
test_data.cp_is_set = FALSE;
printf("Testing window None, unset ClientPointer.\n");
diff -Naur xorg-server-1.12.4.orig/test/xi2/protocol-xipassivegrabdevice.c xorg-server-1.12.4/test/xi2/protocol-xipassivegrabdevice.c
--- xorg-server-1.12.4.orig/test/xi2/protocol-xipassivegrabdevice.c 2012-05-17 19:09:05.000000000 +0200
+++ xorg-server-1.12.4/test/xi2/protocol-xipassivegrabdevice.c 2014-11-28 09:51:28.970139371 +0100
@@ -137,6 +137,7 @@
int rc;
int modifiers;
+ client_request.req_len = req->length;
rc = ProcXIPassiveGrabDevice(&client_request);
assert(rc == error);
@@ -187,6 +188,13 @@
request_XIPassiveGrabDevice(&client_request, request, BadDevice,
request->deviceid);
+ printf("Testing invalid length\n");
+ request->length -= 2;
+ request_XIPassiveGrabDevice(&client_request, request, BadLength,
+ client_request.errorValue);
+ /* re-init request since swapped length test leaves some values swapped */
+ request_init(request, XIPassiveGrabDevice);
+ request->grab_window = CLIENT_WINDOW_ID;
request->deviceid = XIAllMasterDevices;
printf("Testing invalid grab types\n");
diff -Naur xorg-server-1.12.4.orig/test/xi2/protocol-xiquerypointer.c xorg-server-1.12.4/test/xi2/protocol-xiquerypointer.c
--- xorg-server-1.12.4.orig/test/xi2/protocol-xiquerypointer.c 2012-05-17 19:09:05.000000000 +0200
+++ xorg-server-1.12.4/test/xi2/protocol-xiquerypointer.c 2014-11-28 09:51:28.970139371 +0100
@@ -200,6 +200,10 @@
test_data.dev = devices.mouse;
request.deviceid = devices.mouse->id;
request_XIQueryPointer(&client_request, &request, Success);
+
+ /* test REQUEST_SIZE_MATCH */
+ client_request.req_len -= 4;
+ request_XIQueryPointer(&client_request, &request, BadLength);
}
int
diff -Naur xorg-server-1.12.4.orig/test/xi2/protocol-xiwarppointer.c xorg-server-1.12.4/test/xi2/protocol-xiwarppointer.c
--- xorg-server-1.12.4.orig/test/xi2/protocol-xiwarppointer.c 2012-05-17 19:09:05.000000000 +0200
+++ xorg-server-1.12.4/test/xi2/protocol-xiwarppointer.c 2014-11-28 09:51:28.974139415 +0100
@@ -197,6 +197,9 @@
request_XIWarpPointer(&client_request, &request, Success);
/* FIXME: src_x/y checks */
+
+ client_request.req_len -= 2; /* invalid length */
+ request_XIWarpPointer(&client_request, &request, BadLength);
}
int
diff -Naur xorg-server-1.12.4.orig/Xext/xcmisc.c xorg-server-1.12.4/Xext/xcmisc.c
--- xorg-server-1.12.4.orig/Xext/xcmisc.c 2012-05-17 19:09:01.000000000 +0200
+++ xorg-server-1.12.4/Xext/xcmisc.c 2014-11-28 09:51:03.837859407 +0100
@@ -161,6 +161,7 @@
SProcXCMiscGetXIDList(ClientPtr client)
{
REQUEST(xXCMiscGetXIDListReq);
+ REQUEST_SIZE_MATCH(xXCMiscGetXIDListReq);
swaps(&stuff->length);
swapl(&stuff->count);
diff -Naur xorg-server-1.12.4.orig/Xext/xvdisp.c xorg-server-1.12.4/Xext/xvdisp.c
--- xorg-server-1.12.4.orig/Xext/xvdisp.c 2012-05-17 19:09:01.000000000 +0200
+++ xorg-server-1.12.4/Xext/xvdisp.c 2014-11-28 09:51:07.413899243 +0100
@@ -1202,6 +1202,7 @@
SProcXvQueryExtension(ClientPtr client)
{
REQUEST(xvQueryExtensionReq);
+ REQUEST_SIZE_MATCH(xvQueryExtensionReq);
swaps(&stuff->length);
return XvProcVector[xv_QueryExtension] (client);
}
@@ -1210,6 +1211,7 @@
SProcXvQueryAdaptors(ClientPtr client)
{
REQUEST(xvQueryAdaptorsReq);
+ REQUEST_SIZE_MATCH(xvQueryAdaptorsReq);
swaps(&stuff->length);
swapl(&stuff->window);
return XvProcVector[xv_QueryAdaptors] (client);
@@ -1219,6 +1221,7 @@
SProcXvQueryEncodings(ClientPtr client)
{
REQUEST(xvQueryEncodingsReq);
+ REQUEST_SIZE_MATCH(xvQueryEncodingsReq);
swaps(&stuff->length);
swapl(&stuff->port);
return XvProcVector[xv_QueryEncodings] (client);
@@ -1228,6 +1231,7 @@
SProcXvGrabPort(ClientPtr client)
{
REQUEST(xvGrabPortReq);
+ REQUEST_SIZE_MATCH(xvGrabPortReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->time);
@@ -1238,6 +1242,7 @@
SProcXvUngrabPort(ClientPtr client)
{
REQUEST(xvUngrabPortReq);
+ REQUEST_SIZE_MATCH(xvUngrabPortReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->time);
@@ -1248,6 +1253,7 @@
SProcXvPutVideo(ClientPtr client)
{
REQUEST(xvPutVideoReq);
+ REQUEST_SIZE_MATCH(xvPutVideoReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->drawable);
@@ -1267,6 +1273,7 @@
SProcXvPutStill(ClientPtr client)
{
REQUEST(xvPutStillReq);
+ REQUEST_SIZE_MATCH(xvPutStillReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->drawable);
@@ -1286,6 +1293,7 @@
SProcXvGetVideo(ClientPtr client)
{
REQUEST(xvGetVideoReq);
+ REQUEST_SIZE_MATCH(xvGetVideoReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->drawable);
@@ -1305,6 +1313,7 @@
SProcXvGetStill(ClientPtr client)
{
REQUEST(xvGetStillReq);
+ REQUEST_SIZE_MATCH(xvGetStillReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->drawable);
@@ -1324,6 +1333,7 @@
SProcXvPutImage(ClientPtr client)
{
REQUEST(xvPutImageReq);
+ REQUEST_AT_LEAST_SIZE(xvPutImageReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->drawable);
@@ -1347,6 +1357,7 @@
SProcXvShmPutImage(ClientPtr client)
{
REQUEST(xvShmPutImageReq);
+ REQUEST_SIZE_MATCH(xvShmPutImageReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->drawable);
@@ -1374,6 +1385,7 @@
SProcXvSelectVideoNotify(ClientPtr client)
{
REQUEST(xvSelectVideoNotifyReq);
+ REQUEST_SIZE_MATCH(xvSelectVideoNotifyReq);
swaps(&stuff->length);
swapl(&stuff->drawable);
return XvProcVector[xv_SelectVideoNotify] (client);
@@ -1383,6 +1395,7 @@
SProcXvSelectPortNotify(ClientPtr client)
{
REQUEST(xvSelectPortNotifyReq);
+ REQUEST_SIZE_MATCH(xvSelectPortNotifyReq);
swaps(&stuff->length);
swapl(&stuff->port);
return XvProcVector[xv_SelectPortNotify] (client);
@@ -1392,6 +1405,7 @@
SProcXvStopVideo(ClientPtr client)
{
REQUEST(xvStopVideoReq);
+ REQUEST_SIZE_MATCH(xvStopVideoReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->drawable);
@@ -1402,6 +1416,7 @@
SProcXvSetPortAttribute(ClientPtr client)
{
REQUEST(xvSetPortAttributeReq);
+ REQUEST_SIZE_MATCH(xvSetPortAttributeReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->attribute);
@@ -1413,6 +1428,7 @@
SProcXvGetPortAttribute(ClientPtr client)
{
REQUEST(xvGetPortAttributeReq);
+ REQUEST_SIZE_MATCH(xvGetPortAttributeReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->attribute);
@@ -1423,6 +1439,7 @@
SProcXvQueryBestSize(ClientPtr client)
{
REQUEST(xvQueryBestSizeReq);
+ REQUEST_SIZE_MATCH(xvQueryBestSizeReq);
swaps(&stuff->length);
swapl(&stuff->port);
swaps(&stuff->vid_w);
@@ -1436,6 +1453,7 @@
SProcXvQueryPortAttributes(ClientPtr client)
{
REQUEST(xvQueryPortAttributesReq);
+ REQUEST_SIZE_MATCH(xvQueryPortAttributesReq);
swaps(&stuff->length);
swapl(&stuff->port);
return XvProcVector[xv_QueryPortAttributes] (client);
@@ -1445,6 +1463,7 @@
SProcXvQueryImageAttributes(ClientPtr client)
{
REQUEST(xvQueryImageAttributesReq);
+ REQUEST_SIZE_MATCH(xvQueryImageAttributesReq);
swaps(&stuff->length);
swapl(&stuff->port);
swapl(&stuff->id);
@@ -1457,6 +1476,7 @@
SProcXvListImageFormats(ClientPtr client)
{
REQUEST(xvListImageFormatsReq);
+ REQUEST_SIZE_MATCH(xvListImageFormatsReq);
swaps(&stuff->length);
swapl(&stuff->port);
return XvProcVector[xv_ListImageFormats] (client);
diff -Naur xorg-server-1.12.4.orig/xfixes/select.c xorg-server-1.12.4/xfixes/select.c
--- xorg-server-1.12.4.orig/xfixes/select.c 2012-05-17 19:09:05.000000000 +0200
+++ xorg-server-1.12.4/xfixes/select.c 2014-11-28 09:51:22.470066963 +0100
@@ -204,6 +204,7 @@
{
REQUEST(xXFixesSelectSelectionInputReq);
+ REQUEST_SIZE_MATCH(xXFixesSelectSelectionInputReq);
swaps(&stuff->length);
swapl(&stuff->window);
swapl(&stuff->selection);
diff -aur xorg-server-1.12.4.orig/render/render.c xorg-server-1.12.4/render/render.c
--- xorg-server-1.12.4.orig/render/render.c 2014-11-28 09:51:16.878004670 +0100
+++ xorg-server-1.12.4/render/render.c 2014-11-28 10:00:10.899950898 +0100
@@ -271,10 +271,11 @@
REQUEST(xRenderQueryVersionReq);
+ REQUEST_SIZE_MATCH(xRenderQueryVersionReq);
+
pRenderClient->major_version = stuff->majorVersion;
pRenderClient->minor_version = stuff->minorVersion;
- REQUEST_SIZE_MATCH(xRenderQueryVersionReq);
memset(&rep, 0, sizeof(xRenderQueryVersionReply));
rep.type = X_Reply;
rep.length = 0;
diff -Naur xorg-server-1.12.4.orig/glx/glxcmds.c xorg-server-1.12.4/glx/glxcmds.c
--- xorg-server-1.12.4.orig/glx/glxcmds.c 2014-11-28 10:01:44.068987817 +0100
+++ xorg-server-1.12.4/glx/glxcmds.c 2014-11-28 10:05:07.515246883 +0100
@@ -2032,6 +2032,8 @@
__GLX_DECLARE_SWAP_VARIABLES;
+ REQUEST_AT_LEAST_SIZE(xGLXRenderLargeReq);
+
req = (xGLXRenderLargeReq *) pc;
if (client->swapped) {
__GLX_SWAP_SHORT(&req->length);
@@ -2047,12 +2049,14 @@
__glXResetLargeCommandStatus(cl);
return error;
}
+ if (safe_pad(req->dataBytes) < 0)
+ return BadLength;
dataBytes = req->dataBytes;
/*
** Check the request length.
*/
- if ((req->length << 2) != __GLX_PAD(dataBytes) + sz_xGLXRenderLargeReq) {
+ if ((req->length << 2) != safe_pad(dataBytes) + sz_xGLXRenderLargeReq) {
client->errorValue = req->length;
/* Reset in case this isn't 1st request. */
__glXResetLargeCommandStatus(cl);
@@ -2062,7 +2066,7 @@
if (cl->largeCmdRequestsSoFar == 0) {
__GLXrenderSizeData entry;
- int extra;
+ int extra = 0;
size_t cmdlen;
int err;
@@ -2075,13 +2079,17 @@
return __glXError(GLXBadLargeRequest);
}
+ if (dataBytes < __GLX_RENDER_LARGE_HDR_SIZE)
+ return BadLength;
+
hdr = (__GLXrenderLargeHeader *) pc;
if (client->swapped) {
__GLX_SWAP_INT(&hdr->length);
__GLX_SWAP_INT(&hdr->opcode);
}
- cmdlen = hdr->length;
opcode = hdr->opcode;
+ if ((cmdlen = safe_pad(hdr->length)) < 0)
+ return BadLength;
/*
** Check for core opcodes and grab entry data.
@@ -2103,17 +2111,13 @@
if (extra < 0) {
return BadLength;
}
- /* large command's header is 4 bytes longer, so add 4 */
- if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) {
- return BadLength;
- }
}
- else {
- /* constant size command */
- if (cmdlen != __GLX_PAD(entry.bytes + 4)) {
- return BadLength;
- }
+
+ /* the +4 is safe because we know entry.bytes is small */
+ if (cmdlen != safe_pad(safe_add(entry.bytes + 4, extra))) {
+ return BadLength;
}
+
/*
** Make enough space in the buffer, then copy the entire request.
*/
@@ -2143,6 +2147,7 @@
** We are receiving subsequent (i.e. not the first) requests of a
** multi request command.
*/
+ int bytesSoFar; /* including this packet */
/*
** Check the request number and the total request count.
@@ -2161,11 +2166,18 @@
/*
** Check that we didn't get too much data.
*/
- if ((cl->largeCmdBytesSoFar + dataBytes) > cl->largeCmdBytesTotal) {
+ if ((bytesSoFar = safe_add(cl->largeCmdBytesSoFar, dataBytes)) < 0) {
client->errorValue = dataBytes;
__glXResetLargeCommandStatus(cl);
return __glXError(GLXBadLargeRequest);
}
+
+ if (bytesSoFar > cl->largeCmdBytesTotal) {
+ client->errorValue = dataBytes;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+
memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes);
cl->largeCmdBytesSoFar += dataBytes;
cl->largeCmdRequestsSoFar++;
@@ -2186,8 +2198,7 @@
** the padding done below fixes a bug that did not allow
** large commands of odd sizes to be accepted by the server.
*/
- if (__GLX_PAD(cl->largeCmdBytesSoFar) !=
- __GLX_PAD(cl->largeCmdBytesTotal)) {
+ if (safe_pad(cl->largeCmdBytesSoFar) != cl->largeCmdBytesTotal) {
client->errorValue = dataBytes;
__glXResetLargeCommandStatus(cl);
return __glXError(GLXBadLargeRequest);
diff -Naur xorg-server-1.12.4.orig/glx/indirect_texture_compression.c xorg-server-1.12.4/glx/indirect_texture_compression.c
--- xorg-server-1.12.4.orig/glx/indirect_texture_compression.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/indirect_texture_compression.c 2014-11-28 10:26:39.461548117 +0100
@@ -47,6 +47,8 @@
__GLXcontext *const cx = __glXForceCurrent(cl, req->contextTag, &error);
ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 8);
+
pc += __GLX_SINGLE_HDR_SIZE;
if (cx != NULL) {
const GLenum target = *(GLenum *) (pc + 0);
@@ -93,6 +95,8 @@
__glXForceCurrent(cl, bswap_32(req->contextTag), &error);
ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 8);
+
pc += __GLX_SINGLE_HDR_SIZE;
if (cx != NULL) {
const GLenum target = (GLenum) bswap_32(*(int *) (pc + 0));
diff -Naur xorg-server-1.12.4.orig/glx/single2.c xorg-server-1.12.4/glx/single2.c
--- xorg-server-1.12.4.orig/glx/single2.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/single2.c 2014-11-28 10:26:39.461548117 +0100
@@ -49,11 +49,14 @@
int
__glXDisp_FeedbackBuffer(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
GLsizei size;
GLenum type;
__GLXcontext *cx;
int error;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 8);
+
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
@@ -80,10 +83,13 @@
int
__glXDisp_SelectBuffer(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
__GLXcontext *cx;
GLsizei size;
int error;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
+
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
@@ -108,7 +114,7 @@
int
__glXDisp_RenderMode(__GLXclientState * cl, GLbyte * pc)
{
- ClientPtr client;
+ ClientPtr client = cl->client;
xGLXRenderModeReply reply;
__GLXcontext *cx;
GLint nitems = 0, retBytes = 0, retval, newModeCheck;
@@ -116,6 +122,8 @@
GLenum newMode;
int error;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
+
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
@@ -192,7 +200,6 @@
** selection array, as per the API for glRenderMode itself.
*/
noChangeAllowed:;
- client = cl->client;
reply.length = nitems;
reply.type = X_Reply;
reply.sequenceNumber = client->sequence;
@@ -209,9 +216,12 @@
int
__glXDisp_Flush(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
__GLXcontext *cx;
int error;
+ REQUEST_SIZE_MATCH(xGLXSingleReq);
+
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
@@ -225,10 +235,12 @@
int
__glXDisp_Finish(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
__GLXcontext *cx;
- ClientPtr client;
int error;
+ REQUEST_SIZE_MATCH(xGLXSingleReq);
+
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
@@ -319,7 +331,7 @@
int
DoGetString(__GLXclientState * cl, GLbyte * pc, GLboolean need_swap)
{
- ClientPtr client;
+ ClientPtr client = cl->client;
__GLXcontext *cx;
GLenum name;
const char *string;
@@ -329,6 +341,8 @@
char *buf = NULL, *buf1 = NULL;
GLint length = 0;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
+
/* If the client has the opposite byte order, swap the contextTag and
* the name.
*/
@@ -345,7 +359,6 @@
pc += __GLX_SINGLE_HDR_SIZE;
name = *(GLenum *) (pc + 0);
string = (const char *) CALL_GetString(GET_DISPATCH(), (name));
- client = cl->client;
if (string == NULL)
string = "";
diff -Naur xorg-server-1.12.4.orig/glx/single2swap.c xorg-server-1.12.4/glx/single2swap.c
--- xorg-server-1.12.4.orig/glx/single2swap.c 2012-05-17 19:09:02.000000000 +0200
+++ xorg-server-1.12.4/glx/single2swap.c 2014-11-28 10:26:39.465548161 +0100
@@ -45,6 +45,7 @@
int
__glXDispSwap_FeedbackBuffer(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
GLsizei size;
GLenum type;
@@ -52,6 +53,8 @@
__GLXcontext *cx;
int error;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 8);
+
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
@@ -81,12 +84,15 @@
int
__glXDispSwap_SelectBuffer(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
__GLXcontext *cx;
GLsizei size;
__GLX_DECLARE_SWAP_VARIABLES;
int error;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
+
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
@@ -113,7 +119,7 @@
int
__glXDispSwap_RenderMode(__GLXclientState * cl, GLbyte * pc)
{
- ClientPtr client;
+ ClientPtr client = cl->client;
__GLXcontext *cx;
xGLXRenderModeReply reply;
GLint nitems = 0, retBytes = 0, retval, newModeCheck;
@@ -124,6 +130,8 @@
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
int error;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
+
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
@@ -204,7 +212,6 @@
** selection array, as per the API for glRenderMode itself.
*/
noChangeAllowed:;
- client = cl->client;
reply.length = nitems;
reply.type = X_Reply;
reply.sequenceNumber = client->sequence;
@@ -226,11 +233,14 @@
int
__glXDispSwap_Flush(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
__GLXcontext *cx;
int error;
__GLX_DECLARE_SWAP_VARIABLES;
+ REQUEST_SIZE_MATCH(xGLXSingleReq);
+
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
@@ -245,12 +255,14 @@
int
__glXDispSwap_Finish(__GLXclientState * cl, GLbyte * pc)
{
+ ClientPtr client = cl->client;
__GLXcontext *cx;
- ClientPtr client;
int error;
__GLX_DECLARE_SWAP_VARIABLES;
+ REQUEST_SIZE_MATCH(xGLXSingleReq);
+
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
@@ -262,7 +274,6 @@
cx->hasUnflushedCommands = GL_FALSE;
/* Send empty reply packet to indicate finish is finished */
- client = cl->client;
__GLX_BEGIN_REPLY(0);
__GLX_PUT_RETVAL(0);
__GLX_SWAP_REPLY_HEADER();
diff -Naur xorg-server-1.12.4.orig/glx/singlepix.c xorg-server-1.12.4/glx/singlepix.c
--- xorg-server-1.12.4.orig/glx/singlepix.c 2014-11-28 10:06:28.116140360 +0100
+++ xorg-server-1.12.4/glx/singlepix.c 2014-11-28 10:26:39.465548161 +0100
@@ -55,6 +55,8 @@
int error;
char *answer, answerBuffer[200];
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 28);
+
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
@@ -107,6 +109,8 @@
char *answer, answerBuffer[200];
GLint width = 0, height = 0, depth = 1;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 20);
+
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
@@ -169,6 +173,8 @@
GLubyte answerBuffer[200];
char *answer;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
+
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
@@ -231,15 +237,15 @@
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);
- if (compsize < 0)
+ if ((compsize = safe_pad(compsize)) < 0)
return BadLength;
- if (compsize2 < 0)
+
+ if ((compsize2 = safe_pad(compsize2)) < 0)
return BadLength;
- compsize = __GLX_PAD(compsize);
- compsize2 = __GLX_PAD(compsize2);
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
- __GLX_GET_ANSWER_BUFFER(answer, cl, compsize + compsize2, 1);
+ __GLX_GET_ANSWER_BUFFER(answer, cl, safe_add(compsize, compsize2), 1);
+
__glXClearErrorOccured();
CALL_GetSeparableFilter(GET_DISPATCH(), (*(GLenum *) (pc + 0),
*(GLenum *) (pc + 4),
@@ -265,7 +271,8 @@
__glXDisp_GetSeparableFilter(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -273,7 +280,8 @@
__glXDisp_GetSeparableFilterEXT(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
@@ -343,7 +351,8 @@
__glXDisp_GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -351,7 +360,8 @@
__glXDisp_GetConvolutionFilterEXT(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
@@ -411,7 +421,8 @@
__glXDisp_GetHistogram(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -419,7 +430,8 @@
__glXDisp_GetHistogramEXT(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
@@ -471,7 +483,8 @@
__glXDisp_GetMinmax(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -479,7 +492,8 @@
__glXDisp_GetMinmaxEXT(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
@@ -540,7 +554,8 @@
__glXDisp_GetColorTable(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -548,6 +563,7 @@
__glXDisp_GetColorTableSGI(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
diff -Naur xorg-server-1.12.4.orig/glx/singlepixswap.c xorg-server-1.12.4/glx/singlepixswap.c
--- xorg-server-1.12.4.orig/glx/singlepixswap.c 2014-11-28 10:06:28.116140360 +0100
+++ xorg-server-1.12.4/glx/singlepixswap.c 2014-11-28 10:26:39.465548161 +0100
@@ -57,6 +57,8 @@
int error;
char *answer, answerBuffer[200];
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 28);
+
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
@@ -122,6 +124,8 @@
char *answer, answerBuffer[200];
GLint width = 0, height = 0, depth = 1;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 20);
+
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
@@ -197,6 +201,8 @@
__GLX_DECLARE_SWAP_VARIABLES;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
+
__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
@@ -266,15 +272,13 @@
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);
- if (compsize < 0)
+ if ((compsize = safe_pad(compsize)) < 0)
return BadLength;
- if (compsize2 < 0)
+ if ((compsize2 = safe_pad(compsize2)) < 0)
return BadLength;
- compsize = __GLX_PAD(compsize);
- compsize2 = __GLX_PAD(compsize2);
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
- __GLX_GET_ANSWER_BUFFER(answer, cl, compsize + compsize2, 1);
+ __GLX_GET_ANSWER_BUFFER(answer, cl, safe_add(compsize, compsize2), 1);
__glXClearErrorOccured();
CALL_GetSeparableFilter(GET_DISPATCH(), (*(GLenum *) (pc + 0),
*(GLenum *) (pc + 4),
@@ -302,7 +306,9 @@
__glXDispSwap_GetSeparableFilter(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -310,7 +316,9 @@
__glXDispSwap_GetSeparableFilterEXT(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
@@ -388,7 +396,9 @@
__glXDispSwap_GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -396,7 +406,9 @@
__glXDispSwap_GetConvolutionFilterEXT(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
@@ -463,7 +475,9 @@
__glXDispSwap_GetHistogram(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -471,7 +485,9 @@
__glXDispSwap_GetHistogramEXT(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
@@ -529,7 +545,9 @@
__glXDispSwap_GetMinmax(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -537,7 +555,9 @@
__glXDispSwap_GetMinmaxEXT(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
@@ -605,7 +625,9 @@
__glXDispSwap_GetColorTable(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
}
@@ -613,6 +635,8 @@
__glXDispSwap_GetColorTableSGI(__GLXclientState * cl, GLbyte * pc)
{
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
+ ClientPtr client = cl->client;
+ REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
}
diff --git a/Xi/chgdctl.c b/Xi/chgdctl.c
index ff5d69a..e87df42 100644
--- a/Xi/chgdctl.c
+++ b/Xi/chgdctl.c
@@ -78,7 +78,7 @@ SProcXChangeDeviceControl(ClientPtr client)
REQUEST(xChangeDeviceControlReq);
swaps(&stuff->length);
- REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
+ REQUEST_AT_LEAST_EXTRA_SIZE(xChangeDeviceControlReq, sizeof(xDeviceCtl));
swaps(&stuff->control);
ctl = (xDeviceCtl *) &stuff[1];
swaps(&ctl->control);
@@ -116,7 +116,7 @@ ProcXChangeDeviceControl(ClientPtr client)
devicePresenceNotify dpn;
REQUEST(xChangeDeviceControlReq);
- REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
+ REQUEST_AT_LEAST_EXTRA_SIZE(xChangeDeviceControlReq, sizeof(xDeviceCtl));
len = stuff->length - bytes_to_int32(sizeof(xChangeDeviceControlReq));
ret = dixLookupDevice(&dev, stuff->deviceid, client, DixManageAccess);
@@ -184,6 +184,10 @@ ProcXChangeDeviceControl(ClientPtr client)
break;
case DEVICE_ENABLE:
e = (xDeviceEnableCtl *) &stuff[1];
+ if ((len != bytes_to_int32(sizeof(xDeviceEnableCtl)))) {
+ ret = BadLength;
+ goto out;
+ }
status = ChangeDeviceControl(client, dev, (xDeviceCtl *) e);
diff --git a/Xi/chgfctl.c b/Xi/chgfctl.c
index 6dcf60c..224c2ba 100644
--- a/Xi/chgfctl.c
+++ b/Xi/chgfctl.c
@@ -467,6 +467,8 @@ ProcXChangeFeedbackControl(ClientPtr client)
xStringFeedbackCtl *f = ((xStringFeedbackCtl *) &stuff[1]);
if (client->swapped) {
+ if (len < bytes_to_int32(sizeof(xStringFeedbackCtl)))
+ return BadLength;
swaps(&f->num_keysyms);
}
if (len !=
diff --git a/Xi/sendexev.c b/Xi/sendexev.c
index 3c21386..183f88d 100644
--- a/Xi/sendexev.c
+++ b/Xi/sendexev.c
@@ -135,6 +135,9 @@ ProcXSendExtensionEvent(ClientPtr client)
if (ret != Success)
return ret;
+ if (stuff->num_events == 0)
+ return ret;
+
/* The client's event type must be one defined by an extension. */
first = ((xEvent *) &stuff[1]);
diff --git a/Xi/xiallowev.c b/Xi/xiallowev.c
index 62a0727..156c738 100644
--- a/Xi/xiallowev.c
+++ b/Xi/xiallowev.c
@@ -48,6 +48,7 @@ int
SProcXIAllowEvents(ClientPtr client)
{
REQUEST(xXIAllowEventsReq);
+ REQUEST_AT_LEAST_SIZE(xXIAllowEventsReq);
swaps(&stuff->length);
swaps(&stuff->deviceid);
@@ -55,6 +56,7 @@ SProcXIAllowEvents(ClientPtr client)
if (stuff->length > 3) {
xXI2_2AllowEventsReq *req_xi22 = (xXI2_2AllowEventsReq *) stuff;
+ REQUEST_AT_LEAST_SIZE(xXI2_2AllowEventsReq);
swapl(&req_xi22->touchid);
swapl(&req_xi22->grab_window);
}
diff --git a/Xi/xichangecursor.c b/Xi/xichangecursor.c
index 0be6bc0..33e9e9c 100644
--- a/Xi/xichangecursor.c
+++ b/Xi/xichangecursor.c
@@ -57,11 +57,11 @@ int
SProcXIChangeCursor(ClientPtr client)
{
REQUEST(xXIChangeCursorReq);
+ REQUEST_SIZE_MATCH(xXIChangeCursorReq);
swaps(&stuff->length);
swapl(&stuff->win);
swapl(&stuff->cursor);
swaps(&stuff->deviceid);
- REQUEST_SIZE_MATCH(xXIChangeCursorReq);
return (ProcXIChangeCursor(client));
}
diff --git a/Xi/xichangehierarchy.c b/Xi/xichangehierarchy.c
index 756aaac..d2244cf 100644
--- a/Xi/xichangehierarchy.c
+++ b/Xi/xichangehierarchy.c
@@ -407,7 +407,7 @@ int
ProcXIChangeHierarchy(ClientPtr client)
{
xXIAnyHierarchyChangeInfo *any;
- int required_len = sizeof(xXIChangeHierarchyReq);
+ size_t len; /* length of data remaining in request */
int rc = Success;
int flags[MAXDEVICES] = { 0 };
@@ -417,21 +417,46 @@ ProcXIChangeHierarchy(ClientPtr client)
if (!stuff->num_changes)
return rc;
+ if (stuff->length > (INT_MAX >> 2))
+ return BadAlloc;
+ len = (stuff->length << 2) - sizeof(xXIAnyHierarchyChangeInfo);
+
any = (xXIAnyHierarchyChangeInfo *) &stuff[1];
while (stuff->num_changes--) {
+ if (len < sizeof(xXIAnyHierarchyChangeInfo)) {
+ rc = BadLength;
+ goto unwind;
+ }
+
SWAPIF(swaps(&any->type));
SWAPIF(swaps(&any->length));
- required_len += any->length;
- if ((stuff->length * 4) < required_len)
+ if ((any->length > (INT_MAX >> 2)) || (len < (any->length << 2)))
return BadLength;
+#define CHANGE_SIZE_MATCH(type) \
+ do { \
+ if ((len < sizeof(type)) || (any->length != (sizeof(type) >> 2))) { \
+ rc = BadLength; \
+ goto unwind; \
+ } \
+ } while(0)
+
switch (any->type) {
case XIAddMaster:
{
xXIAddMasterInfo *c = (xXIAddMasterInfo *) any;
+ /* Variable length, due to appended name string */
+ if (len < sizeof(xXIAddMasterInfo)) {
+ rc = BadLength;
+ goto unwind;
+ }
SWAPIF(swaps(&c->name_len));
+ if (c->name_len > (len - sizeof(xXIAddMasterInfo))) {
+ rc = BadLength;
+ goto unwind;
+ }
rc = add_master(client, c, flags);
if (rc != Success)
@@ -442,6 +467,7 @@ ProcXIChangeHierarchy(ClientPtr client)
{
xXIRemoveMasterInfo *r = (xXIRemoveMasterInfo *) any;
+ CHANGE_SIZE_MATCH(xXIRemoveMasterInfo);
rc = remove_master(client, r, flags);
if (rc != Success)
goto unwind;
@@ -451,6 +477,7 @@ ProcXIChangeHierarchy(ClientPtr client)
{
xXIDetachSlaveInfo *c = (xXIDetachSlaveInfo *) any;
+ CHANGE_SIZE_MATCH(xXIDetachSlaveInfo);
rc = detach_slave(client, c, flags);
if (rc != Success)
goto unwind;
@@ -460,6 +487,7 @@ ProcXIChangeHierarchy(ClientPtr client)
{
xXIAttachSlaveInfo *c = (xXIAttachSlaveInfo *) any;
+ CHANGE_SIZE_MATCH(xXIAttachSlaveInfo);
rc = attach_slave(client, c, flags);
if (rc != Success)
goto unwind;
@@ -467,6 +495,7 @@ ProcXIChangeHierarchy(ClientPtr client)
break;
}
+ len -= any->length * 4;
any = (xXIAnyHierarchyChangeInfo *) ((char *) any + any->length * 4);
}
diff --git a/Xi/xigetclientpointer.c b/Xi/xigetclientpointer.c
index 07dbf18..a066497 100644
--- a/Xi/xigetclientpointer.c
+++ b/Xi/xigetclientpointer.c
@@ -50,6 +50,7 @@ int
SProcXIGetClientPointer(ClientPtr client)
{
REQUEST(xXIGetClientPointerReq);
+ REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
swaps(&stuff->length);
swapl(&stuff->win);
diff --git a/Xi/xigrabdev.c b/Xi/xigrabdev.c
index 8d2cf0b..3dafbbd 100644
--- a/Xi/xigrabdev.c
+++ b/Xi/xigrabdev.c
@@ -47,6 +47,11 @@ int
SProcXIGrabDevice(ClientPtr client)
{
REQUEST(xXIGrabDeviceReq);
+ /*
+ * Check here for at least the length of the struct we swap, then
+ * let ProcXIGrabDevice check the full size after we swap mask_len.
+ */
+ REQUEST_AT_LEAST_SIZE(xXIGrabDeviceReq);
swaps(&stuff->length);
swaps(&stuff->deviceid);
@@ -69,7 +74,7 @@ ProcXIGrabDevice(ClientPtr client)
int mask_len;
REQUEST(xXIGrabDeviceReq);
- REQUEST_AT_LEAST_SIZE(xXIGrabDeviceReq);
+ REQUEST_FIXED_SIZE(xXIGrabDeviceReq, ((size_t) stuff->mask_len) * 4);
ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
if (ret != Success)
@@ -118,6 +123,7 @@ int
SProcXIUngrabDevice(ClientPtr client)
{
REQUEST(xXIUngrabDeviceReq);
+ REQUEST_SIZE_MATCH(xXIUngrabDeviceReq);
swaps(&stuff->length);
swaps(&stuff->deviceid);
@@ -135,6 +141,7 @@ ProcXIUngrabDevice(ClientPtr client)
TimeStamp time;
REQUEST(xXIUngrabDeviceReq);
+ REQUEST_SIZE_MATCH(xXIUngrabDeviceReq);
ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess);
if (ret != Success)
diff --git a/Xi/xipassivegrab.c b/Xi/xipassivegrab.c
index 7130328..06f44d7 100644
--- a/Xi/xipassivegrab.c
+++ b/Xi/xipassivegrab.c
@@ -53,6 +53,7 @@ SProcXIPassiveGrabDevice(ClientPtr client)
xXIModifierInfo *mods;
REQUEST(xXIPassiveGrabDeviceReq);
+ REQUEST_AT_LEAST_SIZE(xXIPassiveGrabDeviceReq);
swaps(&stuff->length);
swaps(&stuff->deviceid);
@@ -63,7 +64,9 @@ SProcXIPassiveGrabDevice(ClientPtr client)
swaps(&stuff->mask_len);
swaps(&stuff->num_modifiers);
- mods = (xXIModifierInfo *) &stuff[1];
+ REQUEST_FIXED_SIZE(xXIPassiveGrabDeviceReq,
+ ((uint32_t) stuff->mask_len + stuff->num_modifiers) *4);
+ mods = (uint32_t *) &stuff[1] + stuff->mask_len;
for (i = 0; i < stuff->num_modifiers; i++, mods++) {
swapl(&mods->base_mods);
@@ -88,7 +91,8 @@ ProcXIPassiveGrabDevice(ClientPtr client)
int mask_len;
REQUEST(xXIPassiveGrabDeviceReq);
- REQUEST_AT_LEAST_SIZE(xXIPassiveGrabDeviceReq);
+ REQUEST_FIXED_SIZE(xXIPassiveGrabDeviceReq,
+ ((uint32_t) stuff->mask_len + stuff->num_modifiers) * 4);
if (stuff->deviceid == XIAllDevices)
dev = inputInfo.all_devices;
@@ -250,6 +254,7 @@ SProcXIPassiveUngrabDevice(ClientPtr client)
uint32_t *modifiers;
REQUEST(xXIPassiveUngrabDeviceReq);
+ REQUEST_AT_LEAST_SIZE(xXIPassiveUngrabDeviceReq);
swaps(&stuff->length);
swapl(&stuff->grab_window);
@@ -257,6 +262,8 @@ SProcXIPassiveUngrabDevice(ClientPtr client)
swapl(&stuff->detail);
swaps(&stuff->num_modifiers);
+ REQUEST_FIXED_SIZE(xXIPassiveUngrabDeviceReq,
+ ((uint32_t) stuff->num_modifiers) << 2);
modifiers = (uint32_t *) &stuff[1];
for (i = 0; i < stuff->num_modifiers; i++, modifiers++)
@@ -275,7 +282,8 @@ ProcXIPassiveUngrabDevice(ClientPtr client)
int i, rc;
REQUEST(xXIPassiveUngrabDeviceReq);
- REQUEST_AT_LEAST_SIZE(xXIPassiveUngrabDeviceReq);
+ REQUEST_FIXED_SIZE(xXIPassiveUngrabDeviceReq,
+ ((uint32_t) stuff->num_modifiers) << 2);
if (stuff->deviceid == XIAllDevices)
dev = inputInfo.all_devices;
diff --git a/Xi/xiproperty.c b/Xi/xiproperty.c
index e51aadb..37dc0c6 100644
--- a/Xi/xiproperty.c
+++ b/Xi/xiproperty.c
@@ -1007,10 +1007,9 @@ int
SProcXListDeviceProperties(ClientPtr client)
{
REQUEST(xListDevicePropertiesReq);
+ REQUEST_SIZE_MATCH(xListDevicePropertiesReq);
swaps(&stuff->length);
-
- REQUEST_SIZE_MATCH(xListDevicePropertiesReq);
return (ProcXListDeviceProperties(client));
}
@@ -1031,10 +1030,10 @@ int
SProcXDeleteDeviceProperty(ClientPtr client)
{
REQUEST(xDeleteDevicePropertyReq);
+ REQUEST_SIZE_MATCH(xDeleteDevicePropertyReq);
swaps(&stuff->length);
swapl(&stuff->property);
- REQUEST_SIZE_MATCH(xDeleteDevicePropertyReq);
return (ProcXDeleteDeviceProperty(client));
}
@@ -1042,13 +1041,13 @@ int
SProcXGetDeviceProperty(ClientPtr client)
{
REQUEST(xGetDevicePropertyReq);
+ REQUEST_SIZE_MATCH(xGetDevicePropertyReq);
swaps(&stuff->length);
swapl(&stuff->property);
swapl(&stuff->type);
swapl(&stuff->longOffset);
swapl(&stuff->longLength);
- REQUEST_SIZE_MATCH(xGetDevicePropertyReq);
return (ProcXGetDeviceProperty(client));
}
@@ -1243,11 +1242,10 @@ int
SProcXIListProperties(ClientPtr client)
{
REQUEST(xXIListPropertiesReq);
+ REQUEST_SIZE_MATCH(xXIListPropertiesReq);
swaps(&stuff->length);
swaps(&stuff->deviceid);
-
- REQUEST_SIZE_MATCH(xXIListPropertiesReq);
return (ProcXIListProperties(client));
}
@@ -1269,11 +1267,11 @@ int
SProcXIDeleteProperty(ClientPtr client)
{
REQUEST(xXIDeletePropertyReq);
+ REQUEST_SIZE_MATCH(xXIDeletePropertyReq);
swaps(&stuff->length);
swaps(&stuff->deviceid);
swapl(&stuff->property);
- REQUEST_SIZE_MATCH(xXIDeletePropertyReq);
return (ProcXIDeleteProperty(client));
}
@@ -1281,6 +1279,7 @@ int
SProcXIGetProperty(ClientPtr client)
{
REQUEST(xXIGetPropertyReq);
+ REQUEST_SIZE_MATCH(xXIGetPropertyReq);
swaps(&stuff->length);
swaps(&stuff->deviceid);
@@ -1288,7 +1287,6 @@ SProcXIGetProperty(ClientPtr client)
swapl(&stuff->type);
swapl(&stuff->offset);
swapl(&stuff->len);
- REQUEST_SIZE_MATCH(xXIGetPropertyReq);
return (ProcXIGetProperty(client));
}
diff --git a/Xi/xiquerydevice.c b/Xi/xiquerydevice.c
index 15c8b2a..5e5c875 100644
--- a/Xi/xiquerydevice.c
+++ b/Xi/xiquerydevice.c
@@ -54,6 +54,7 @@ int
SProcXIQueryDevice(ClientPtr client)
{
REQUEST(xXIQueryDeviceReq);
+ REQUEST_SIZE_MATCH(xXIQueryDeviceReq);
swaps(&stuff->length);
swaps(&stuff->deviceid);
diff --git a/Xi/xiquerypointer.c b/Xi/xiquerypointer.c
index 169436e..e61fa04 100644
--- a/Xi/xiquerypointer.c
+++ b/Xi/xiquerypointer.c
@@ -62,6 +62,8 @@ int
SProcXIQueryPointer(ClientPtr client)
{
REQUEST(xXIQueryPointerReq);
+ REQUEST_SIZE_MATCH(xXIQueryPointerReq);
+
swaps(&stuff->length);
swaps(&stuff->deviceid);
swapl(&stuff->win);
diff --git a/Xi/xiselectev.c b/Xi/xiselectev.c
index 07d3218..fc02034 100644
--- a/Xi/xiselectev.c
+++ b/Xi/xiselectev.c
@@ -63,6 +63,7 @@ int
SProcXISelectEvents(ClientPtr client)
{
int i;
+ int len;
xXIEventMask *evmask;
REQUEST(xXISelectEventsReq);
@@ -71,10 +72,17 @@ SProcXISelectEvents(ClientPtr client)
swapl(&stuff->win);
swaps(&stuff->num_masks);
+ len = stuff->length - bytes_to_int32(sizeof(xXISelectEventsReq));
evmask = (xXIEventMask *) &stuff[1];
for (i = 0; i < stuff->num_masks; i++) {
+ if (len < bytes_to_int32(sizeof(xXIEventMask)))
+ return BadLength;
+ len -= bytes_to_int32(sizeof(xXIEventMask));
swaps(&evmask->deviceid);
swaps(&evmask->mask_len);
+ if (len < evmask->mask_len)
+ return BadLength;
+ len -= evmask->mask_len;
evmask =
(xXIEventMask *) (((char *) &evmask[1]) + evmask->mask_len * 4);
}
diff --git a/Xi/xisetclientpointer.c b/Xi/xisetclientpointer.c
index 38ff51e..24d4a53 100644
--- a/Xi/xisetclientpointer.c
+++ b/Xi/xisetclientpointer.c
@@ -51,10 +51,11 @@ int
SProcXISetClientPointer(ClientPtr client)
{
REQUEST(xXISetClientPointerReq);
+ REQUEST_SIZE_MATCH(xXISetClientPointerReq);
+
swaps(&stuff->length);
swapl(&stuff->win);
swaps(&stuff->deviceid);
- REQUEST_SIZE_MATCH(xXISetClientPointerReq);
return (ProcXISetClientPointer(client));
}
diff --git a/Xi/xisetdevfocus.c b/Xi/xisetdevfocus.c
index b52c9cc..a32ccb1 100644
--- a/Xi/xisetdevfocus.c
+++ b/Xi/xisetdevfocus.c
@@ -44,6 +44,8 @@ int
SProcXISetFocus(ClientPtr client)
{
REQUEST(xXISetFocusReq);
+ REQUEST_AT_LEAST_SIZE(xXISetFocusReq);
+
swaps(&stuff->length);
swaps(&stuff->deviceid);
swapl(&stuff->focus);
@@ -56,6 +58,8 @@ int
SProcXIGetFocus(ClientPtr client)
{
REQUEST(xXIGetFocusReq);
+ REQUEST_AT_LEAST_SIZE(xXIGetFocusReq);
+
swaps(&stuff->length);
swaps(&stuff->deviceid);
diff --git a/Xi/xiwarppointer.c b/Xi/xiwarppointer.c
index 3f051f7..780758a 100644
--- a/Xi/xiwarppointer.c
+++ b/Xi/xiwarppointer.c
@@ -56,6 +56,8 @@ int
SProcXIWarpPointer(ClientPtr client)
{
REQUEST(xXIWarpPointerReq);
+ REQUEST_SIZE_MATCH(xXIWarpPointerReq);
+
swaps(&stuff->length);
swapl(&stuff->src_win);
swapl(&stuff->dst_win);
diff --git a/glx/glxcmds.c b/glx/glxcmds.c
index badc2cf..1479634 100644
--- a/glx/glxcmds.c
+++ b/glx/glxcmds.c
@@ -1990,7 +1990,8 @@ __glXDisp_Render(__GLXclientState * cl, GLbyte * pc)
if (entry.varsize) {
/* variable size command */
extra = (*entry.varsize) (pc + __GLX_RENDER_HDR_SIZE,
- client->swapped);
+ client->swapped,
+ left - __GLX_RENDER_HDR_SIZE);
if (extra < 0) {
return BadLength;
}
@@ -2067,6 +2068,7 @@ __glXDisp_RenderLarge(__GLXclientState * cl, GLbyte * pc)
if (cl->largeCmdRequestsSoFar == 0) {
__GLXrenderSizeData entry;
int extra = 0;
+ int left = (req->length << 2) - sz_xGLXRenderLargeReq;
size_t cmdlen;
int err;
@@ -2107,7 +2109,8 @@ __glXDisp_RenderLarge(__GLXclientState * cl, GLbyte * pc)
** will be in the 1st request, so it's okay to do this.
*/
extra = (*entry.varsize) (pc + __GLX_RENDER_LARGE_HDR_SIZE,
- client->swapped);
+ client->swapped,
+ left - __GLX_RENDER_LARGE_HDR_SIZE);
if (extra < 0) {
return BadLength;
}
diff --git a/glx/glxserver.h b/glx/glxserver.h
index 9bffcd8..ccb895e 100644
--- a/glx/glxserver.h
+++ b/glx/glxserver.h
@@ -167,7 +167,7 @@ typedef int (*__GLXprocPtr) (__GLXclientState *, char *pc);
/*
* Tables for computing the size of each rendering command.
*/
-typedef int (*gl_proto_size_func) (const GLbyte *, Bool);
+typedef int (*gl_proto_size_func) (const GLbyte *, Bool, int);
typedef struct {
int bytes;
diff --git a/glx/indirect_reqsize.c b/glx/indirect_reqsize.c
index 86ea970..ce58214 100644
--- a/glx/indirect_reqsize.c
+++ b/glx/indirect_reqsize.c
@@ -31,24 +31,22 @@
#include "indirect_size.h"
#include "indirect_reqsize.h"
-#define __GLX_PAD(x) (((x) + 3) & ~3)
-
#if defined(__CYGWIN__) || defined(__MINGW32__)
#undef HAVE_ALIAS
#endif
#ifdef HAVE_ALIAS
#define ALIAS2(from,to) \
- GLint __glX ## from ## ReqSize( const GLbyte * pc, Bool swap ) \
+ GLint __glX ## from ## ReqSize( const GLbyte * pc, Bool swap, int reqlen ) \
__attribute__ ((alias( # to )));
#define ALIAS(from,to) ALIAS2( from, __glX ## to ## ReqSize )
#else
#define ALIAS(from,to) \
- GLint __glX ## from ## ReqSize( const GLbyte * pc, Bool swap ) \
- { return __glX ## to ## ReqSize( pc, swap ); }
+ GLint __glX ## from ## ReqSize( const GLbyte * pc, Bool swap, int reqlen ) \
+ { return __glX ## to ## ReqSize( pc, swap, reqlen ); }
#endif
int
-__glXCallListsReqSize(const GLbyte * pc, Bool swap)
+__glXCallListsReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 0);
GLenum type = *(GLenum *) (pc + 4);
@@ -60,11 +58,11 @@ __glXCallListsReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glCallLists_size(type);
- return __GLX_PAD((compsize * n));
+ return safe_pad(safe_mul(compsize, n));
}
int
-__glXBitmapReqSize(const GLbyte * pc, Bool swap)
+__glXBitmapReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -88,7 +86,7 @@ __glXBitmapReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXFogfvReqSize(const GLbyte * pc, Bool swap)
+__glXFogfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 0);
GLsizei compsize;
@@ -98,11 +96,11 @@ __glXFogfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glFogfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXLightfvReqSize(const GLbyte * pc, Bool swap)
+__glXLightfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 4);
GLsizei compsize;
@@ -112,11 +110,11 @@ __glXLightfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glLightfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXLightModelfvReqSize(const GLbyte * pc, Bool swap)
+__glXLightModelfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 0);
GLsizei compsize;
@@ -126,11 +124,11 @@ __glXLightModelfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glLightModelfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXMaterialfvReqSize(const GLbyte * pc, Bool swap)
+__glXMaterialfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 4);
GLsizei compsize;
@@ -140,11 +138,11 @@ __glXMaterialfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glMaterialfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXPolygonStippleReqSize(const GLbyte * pc, Bool swap)
+__glXPolygonStippleReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -164,7 +162,7 @@ __glXPolygonStippleReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXTexParameterfvReqSize(const GLbyte * pc, Bool swap)
+__glXTexParameterfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 4);
GLsizei compsize;
@@ -174,11 +172,11 @@ __glXTexParameterfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glTexParameterfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXTexImage1DReqSize(const GLbyte * pc, Bool swap)
+__glXTexImage1DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -206,7 +204,7 @@ __glXTexImage1DReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXTexImage2DReqSize(const GLbyte * pc, Bool swap)
+__glXTexImage2DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -236,7 +234,7 @@ __glXTexImage2DReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXTexEnvfvReqSize(const GLbyte * pc, Bool swap)
+__glXTexEnvfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 4);
GLsizei compsize;
@@ -246,11 +244,11 @@ __glXTexEnvfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glTexEnvfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXTexGendvReqSize(const GLbyte * pc, Bool swap)
+__glXTexGendvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 4);
GLsizei compsize;
@@ -260,11 +258,11 @@ __glXTexGendvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glTexGendv_size(pname);
- return __GLX_PAD((compsize * 8));
+ return safe_pad(safe_mul(compsize, 8));
}
int
-__glXTexGenfvReqSize(const GLbyte * pc, Bool swap)
+__glXTexGenfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 4);
GLsizei compsize;
@@ -274,11 +272,11 @@ __glXTexGenfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glTexGenfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXPixelMapfvReqSize(const GLbyte * pc, Bool swap)
+__glXPixelMapfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei mapsize = *(GLsizei *) (pc + 4);
@@ -286,11 +284,11 @@ __glXPixelMapfvReqSize(const GLbyte * pc, Bool swap)
mapsize = bswap_32(mapsize);
}
- return __GLX_PAD((mapsize * 4));
+ return safe_pad(safe_mul(mapsize, 4));
}
int
-__glXPixelMapusvReqSize(const GLbyte * pc, Bool swap)
+__glXPixelMapusvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei mapsize = *(GLsizei *) (pc + 4);
@@ -298,11 +296,11 @@ __glXPixelMapusvReqSize(const GLbyte * pc, Bool swap)
mapsize = bswap_32(mapsize);
}
- return __GLX_PAD((mapsize * 2));
+ return safe_pad(safe_mul(mapsize, 2));
}
int
-__glXDrawPixelsReqSize(const GLbyte * pc, Bool swap)
+__glXDrawPixelsReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -330,7 +328,7 @@ __glXDrawPixelsReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXPrioritizeTexturesReqSize(const GLbyte * pc, Bool swap)
+__glXPrioritizeTexturesReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 0);
@@ -338,11 +336,11 @@ __glXPrioritizeTexturesReqSize(const GLbyte * pc, Bool swap)
n = bswap_32(n);
}
- return __GLX_PAD((n * 4) + (n * 4));
+ return safe_pad(safe_add(safe_mul(n, 4), safe_mul(n, 4)));
}
int
-__glXTexSubImage1DReqSize(const GLbyte * pc, Bool swap)
+__glXTexSubImage1DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -370,7 +368,7 @@ __glXTexSubImage1DReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXTexSubImage2DReqSize(const GLbyte * pc, Bool swap)
+__glXTexSubImage2DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -400,7 +398,7 @@ __glXTexSubImage2DReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXColorTableReqSize(const GLbyte * pc, Bool swap)
+__glXColorTableReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -428,7 +426,7 @@ __glXColorTableReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXColorTableParameterfvReqSize(const GLbyte * pc, Bool swap)
+__glXColorTableParameterfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 4);
GLsizei compsize;
@@ -438,11 +436,11 @@ __glXColorTableParameterfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glColorTableParameterfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXColorSubTableReqSize(const GLbyte * pc, Bool swap)
+__glXColorSubTableReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -470,7 +468,7 @@ __glXColorSubTableReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXConvolutionFilter1DReqSize(const GLbyte * pc, Bool swap)
+__glXConvolutionFilter1DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -498,7 +496,7 @@ __glXConvolutionFilter1DReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXConvolutionFilter2DReqSize(const GLbyte * pc, Bool swap)
+__glXConvolutionFilter2DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = 0;
@@ -528,7 +526,7 @@ __glXConvolutionFilter2DReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXConvolutionParameterfvReqSize(const GLbyte * pc, Bool swap)
+__glXConvolutionParameterfvReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 4);
GLsizei compsize;
@@ -538,11 +536,11 @@ __glXConvolutionParameterfvReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glConvolutionParameterfv_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXTexImage3DReqSize(const GLbyte * pc, Bool swap)
+__glXTexImage3DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = *(GLint *) (pc + 8);
@@ -579,7 +577,7 @@ __glXTexImage3DReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXTexSubImage3DReqSize(const GLbyte * pc, Bool swap)
+__glXTexSubImage3DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLint row_length = *(GLint *) (pc + 4);
GLint image_height = *(GLint *) (pc + 8);
@@ -613,7 +611,7 @@ __glXTexSubImage3DReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXCompressedTexImage1DARBReqSize(const GLbyte * pc, Bool swap)
+__glXCompressedTexImage1DARBReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei imageSize = *(GLsizei *) (pc + 20);
@@ -621,11 +619,11 @@ __glXCompressedTexImage1DARBReqSize(const GLbyte * pc, Bool swap)
imageSize = bswap_32(imageSize);
}
- return __GLX_PAD(imageSize);
+ return safe_pad(imageSize);
}
int
-__glXCompressedTexImage2DARBReqSize(const GLbyte * pc, Bool swap)
+__glXCompressedTexImage2DARBReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei imageSize = *(GLsizei *) (pc + 24);
@@ -633,11 +631,11 @@ __glXCompressedTexImage2DARBReqSize(const GLbyte * pc, Bool swap)
imageSize = bswap_32(imageSize);
}
- return __GLX_PAD(imageSize);
+ return safe_pad(imageSize);
}
int
-__glXCompressedTexImage3DARBReqSize(const GLbyte * pc, Bool swap)
+__glXCompressedTexImage3DARBReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei imageSize = *(GLsizei *) (pc + 28);
@@ -645,11 +643,11 @@ __glXCompressedTexImage3DARBReqSize(const GLbyte * pc, Bool swap)
imageSize = bswap_32(imageSize);
}
- return __GLX_PAD(imageSize);
+ return safe_pad(imageSize);
}
int
-__glXCompressedTexSubImage3DARBReqSize(const GLbyte * pc, Bool swap)
+__glXCompressedTexSubImage3DARBReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei imageSize = *(GLsizei *) (pc + 36);
@@ -657,11 +655,11 @@ __glXCompressedTexSubImage3DARBReqSize(const GLbyte * pc, Bool swap)
imageSize = bswap_32(imageSize);
}
- return __GLX_PAD(imageSize);
+ return safe_pad(imageSize);
}
int
-__glXProgramStringARBReqSize(const GLbyte * pc, Bool swap)
+__glXProgramStringARBReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei len = *(GLsizei *) (pc + 8);
@@ -669,11 +667,11 @@ __glXProgramStringARBReqSize(const GLbyte * pc, Bool swap)
len = bswap_32(len);
}
- return __GLX_PAD(len);
+ return safe_pad(len);
}
int
-__glXDrawBuffersARBReqSize(const GLbyte * pc, Bool swap)
+__glXDrawBuffersARBReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 0);
@@ -681,11 +679,11 @@ __glXDrawBuffersARBReqSize(const GLbyte * pc, Bool swap)
n = bswap_32(n);
}
- return __GLX_PAD((n * 4));
+ return safe_pad(safe_mul(n, 4));
}
int
-__glXPointParameterfvEXTReqSize(const GLbyte * pc, Bool swap)
+__glXPointParameterfvEXTReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum pname = *(GLenum *) (pc + 0);
GLsizei compsize;
@@ -695,11 +693,11 @@ __glXPointParameterfvEXTReqSize(const GLbyte * pc, Bool swap)
}
compsize = __glPointParameterfvEXT_size(pname);
- return __GLX_PAD((compsize * 4));
+ return safe_pad(safe_mul(compsize, 4));
}
int
-__glXProgramParameters4dvNVReqSize(const GLbyte * pc, Bool swap)
+__glXProgramParameters4dvNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei num = *(GLsizei *) (pc + 8);
@@ -707,11 +705,11 @@ __glXProgramParameters4dvNVReqSize(const GLbyte * pc, Bool swap)
num = bswap_32(num);
}
- return __GLX_PAD((num * 32));
+ return safe_pad(safe_mul(num, 32));
}
int
-__glXProgramParameters4fvNVReqSize(const GLbyte * pc, Bool swap)
+__glXProgramParameters4fvNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei num = *(GLsizei *) (pc + 8);
@@ -719,11 +717,11 @@ __glXProgramParameters4fvNVReqSize(const GLbyte * pc, Bool swap)
num = bswap_32(num);
}
- return __GLX_PAD((num * 16));
+ return safe_pad(safe_mul(num, 16));
}
int
-__glXVertexAttribs1dvNVReqSize(const GLbyte * pc, Bool swap)
+__glXVertexAttribs1dvNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 4);
@@ -731,11 +729,11 @@ __glXVertexAttribs1dvNVReqSize(const GLbyte * pc, Bool swap)
n = bswap_32(n);
}
- return __GLX_PAD((n * 8));
+ return safe_pad(safe_mul(n, 8));
}
int
-__glXVertexAttribs2dvNVReqSize(const GLbyte * pc, Bool swap)
+__glXVertexAttribs2dvNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 4);
@@ -743,11 +741,11 @@ __glXVertexAttribs2dvNVReqSize(const GLbyte * pc, Bool swap)
n = bswap_32(n);
}
- return __GLX_PAD((n * 16));
+ return safe_pad(safe_mul(n, 16));
}
int
-__glXVertexAttribs3dvNVReqSize(const GLbyte * pc, Bool swap)
+__glXVertexAttribs3dvNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 4);
@@ -755,11 +753,11 @@ __glXVertexAttribs3dvNVReqSize(const GLbyte * pc, Bool swap)
n = bswap_32(n);
}
- return __GLX_PAD((n * 24));
+ return safe_pad(safe_mul(n, 24));
}
int
-__glXVertexAttribs3fvNVReqSize(const GLbyte * pc, Bool swap)
+__glXVertexAttribs3fvNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 4);
@@ -767,11 +765,11 @@ __glXVertexAttribs3fvNVReqSize(const GLbyte * pc, Bool swap)
n = bswap_32(n);
}
- return __GLX_PAD((n * 12));
+ return safe_pad(safe_mul(n, 12));
}
int
-__glXVertexAttribs3svNVReqSize(const GLbyte * pc, Bool swap)
+__glXVertexAttribs3svNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 4);
@@ -779,11 +777,11 @@ __glXVertexAttribs3svNVReqSize(const GLbyte * pc, Bool swap)
n = bswap_32(n);
}
- return __GLX_PAD((n * 6));
+ return safe_pad(safe_mul(n, 6));
}
int
-__glXVertexAttribs4dvNVReqSize(const GLbyte * pc, Bool swap)
+__glXVertexAttribs4dvNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei n = *(GLsizei *) (pc + 4);
@@ -791,11 +789,11 @@ __glXVertexAttribs4dvNVReqSize(const GLbyte * pc, Bool swap)
n = bswap_32(n);
}
- return __GLX_PAD((n * 32));
+ return safe_pad(safe_mul(n, 32));
}
int
-__glXProgramNamedParameter4fvNVReqSize(const GLbyte * pc, Bool swap)
+__glXProgramNamedParameter4fvNVReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLsizei len = *(GLsizei *) (pc + 4);
@@ -803,7 +801,7 @@ __glXProgramNamedParameter4fvNVReqSize(const GLbyte * pc, Bool swap)
len = bswap_32(len);
}
- return __GLX_PAD(len);
+ return safe_pad(len);
}
ALIAS(Fogiv, Fogfv)
diff --git a/glx/indirect_reqsize.h b/glx/indirect_reqsize.h
index d2c1da7..22e1350 100644
--- a/glx/indirect_reqsize.h
+++ b/glx/indirect_reqsize.h
@@ -36,128 +36,128 @@
#define PURE
#endif
-extern PURE _X_HIDDEN int __glXCallListsReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXBitmapReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXFogfvReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXFogivReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXLightfvReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXLightivReqSize(const GLbyte * pc, Bool swap);
+extern PURE _X_HIDDEN int __glXCallListsReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXBitmapReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXFogfvReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXFogivReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXLightfvReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXLightivReqSize(const GLbyte * pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXLightModelfvReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXLightModelivReqSize(const GLbyte * pc,
- Bool swap);
-extern PURE _X_HIDDEN int __glXMaterialfvReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXMaterialivReqSize(const GLbyte * pc, Bool swap);
+ Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXMaterialfvReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXMaterialivReqSize(const GLbyte * pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXPolygonStippleReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXTexParameterfvReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXTexParameterivReqSize(const GLbyte * pc,
- Bool swap);
-extern PURE _X_HIDDEN int __glXTexImage1DReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXTexImage2DReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXTexEnvfvReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXTexEnvivReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXTexGendvReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXTexGenfvReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXTexGenivReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXMap1dReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXMap1fReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXMap2dReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXMap2fReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXPixelMapfvReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXPixelMapuivReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXPixelMapusvReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXDrawPixelsReqSize(const GLbyte * pc, Bool swap);
-extern PURE _X_HIDDEN int __glXDrawArraysReqSize(const GLbyte * pc, Bool swap);
+ Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXTexImage1DReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXTexImage2DReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXTexEnvfvReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXTexEnvivReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXTexGendvReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXTexGenfvReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXTexGenivReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXMap1dReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXMap1fReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXMap2dReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXMap2fReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXPixelMapfvReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXPixelMapuivReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXPixelMapusvReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXDrawPixelsReqSize(const GLbyte * pc, Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXDrawArraysReqSize(const GLbyte * pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXPrioritizeTexturesReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXTexSubImage1DReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXTexSubImage2DReqSize(const GLbyte * pc,
- Bool swap);
-extern PURE _X_HIDDEN int __glXColorTableReqSize(const GLbyte * pc, Bool swap);
+ Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXColorTableReqSize(const GLbyte * pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXColorTableParameterfvReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXColorTableParameterivReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXColorSubTableReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXConvolutionFilter1DReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXConvolutionFilter2DReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXConvolutionParameterfvReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXConvolutionParameterivReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXSeparableFilter2DReqSize(const GLbyte * pc,
- Bool swap);
-extern PURE _X_HIDDEN int __glXTexImage3DReqSize(const GLbyte * pc, Bool swap);
+ Bool swap, int reqlen);
+extern PURE _X_HIDDEN int __glXTexImage3DReqSize(const GLbyte * pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXTexSubImage3DReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXCompressedTexImage1DARBReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXCompressedTexImage2DARBReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXCompressedTexImage3DARBReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXCompressedTexSubImage1DARBReqSize(const GLbyte *
- pc, Bool swap);
+ pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXCompressedTexSubImage2DARBReqSize(const GLbyte *
- pc, Bool swap);
+ pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXCompressedTexSubImage3DARBReqSize(const GLbyte *
- pc, Bool swap);
+ pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXProgramStringARBReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXDrawBuffersARBReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXPointParameterfvEXTReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXLoadProgramNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXProgramParameters4dvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXProgramParameters4fvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXRequestResidentProgramsNVReqSize(const GLbyte *
- pc, Bool swap);
+ pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs1dvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs1fvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs1svNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs2dvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs2fvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs2svNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs3dvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs3fvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs3svNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs4dvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs4fvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs4svNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXVertexAttribs4ubvNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXPointParameterivNVReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXProgramNamedParameter4dvNVReqSize(const GLbyte *
- pc, Bool swap);
+ pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXProgramNamedParameter4fvNVReqSize(const GLbyte *
- pc, Bool swap);
+ pc, Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXDeleteFramebuffersEXTReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
extern PURE _X_HIDDEN int __glXDeleteRenderbuffersEXTReqSize(const GLbyte * pc,
- Bool swap);
+ Bool swap, int reqlen);
#undef PURE
diff --git a/glx/rensize.c b/glx/rensize.c
index 6ee0f9c..a532467 100644
--- a/glx/rensize.c
+++ b/glx/rensize.c
@@ -44,7 +44,7 @@
((a & 0xff00U)<<8) | ((a & 0xffU)<<24))
int
-__glXMap1dReqSize(const GLbyte * pc, Bool swap)
+__glXMap1dReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum target;
GLint order;
@@ -61,7 +61,7 @@ __glXMap1dReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXMap1fReqSize(const GLbyte * pc, Bool swap)
+__glXMap1fReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum target;
GLint order;
@@ -86,7 +86,7 @@ Map2Size(int k, int majorOrder, int minorOrder)
}
int
-__glXMap2dReqSize(const GLbyte * pc, Bool swap)
+__glXMap2dReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum target;
GLint uorder, vorder;
@@ -103,7 +103,7 @@ __glXMap2dReqSize(const GLbyte * pc, Bool swap)
}
int
-__glXMap2fReqSize(const GLbyte * pc, Bool swap)
+__glXMap2fReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
GLenum target;
GLint uorder, vorder;
@@ -359,13 +359,14 @@ __glXTypeSize(GLenum enm)
}
int
-__glXDrawArraysReqSize(const GLbyte * pc, Bool swap)
+__glXDrawArraysReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
__GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *) pc;
__GLXdispatchDrawArraysComponentHeader *compHeader;
GLint numVertexes = hdr->numVertexes;
GLint numComponents = hdr->numComponents;
GLint arrayElementSize = 0;
+ GLint x, size;
int i;
if (swap) {
@@ -374,6 +375,13 @@ __glXDrawArraysReqSize(const GLbyte * pc, Bool swap)
}
pc += sizeof(__GLXdispatchDrawArraysHeader);
+ reqlen -= sizeof(__GLXdispatchDrawArraysHeader);
+
+ size = safe_mul(sizeof(__GLXdispatchDrawArraysComponentHeader),
+ numComponents);
+ if (size < 0 || reqlen < 0 || reqlen < size)
+ return -1;
+
compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
for (i = 0; i < numComponents; i++) {
@@ -417,17 +425,18 @@ __glXDrawArraysReqSize(const GLbyte * pc, Bool swap)
return -1;
}
- arrayElementSize += __GLX_PAD(numVals * __glXTypeSize(datatype));
+ x = safe_pad(safe_mul(numVals, __glXTypeSize(datatype)));
+ if ((arrayElementSize = safe_add(arrayElementSize, x)) < 0)
+ return -1;
pc += sizeof(__GLXdispatchDrawArraysComponentHeader);
}
- return ((numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader)) +
- (numVertexes * arrayElementSize));
+ return safe_add(size, safe_mul(numVertexes, arrayElementSize));
}
int
-__glXSeparableFilter2DReqSize(const GLbyte * pc, Bool swap)
+__glXSeparableFilter2DReqSize(const GLbyte * pc, Bool swap, int reqlen)
{
__GLXdispatchConvolutionFilterHeader *hdr =
(__GLXdispatchConvolutionFilterHeader *) pc;
diff --git a/include/dix.h b/include/dix.h
index ea9d2cc..b48d828 100644
--- a/include/dix.h
+++ b/include/dix.h
@@ -72,6 +72,10 @@ SOFTWARE.
if ((sizeof(req) >> 2) > client->req_len )\
return(BadLength)
+#define REQUEST_AT_LEAST_EXTRA_SIZE(req, extra) \
+ if (((sizeof(req) + ((uint64_t) extra)) >> 2) > client->req_len ) \
+ return(BadLength)
+
#define REQUEST_FIXED_SIZE(req, n)\
if (((sizeof(req) >> 2) > client->req_len) || \
((n >> 2) >= client->req_len) || \
diff --git a/test/xi2/protocol-xipassivegrabdevice.c b/test/xi2/protocol-xipassivegrabdevice.c
index ff9aec5..25eb6e9 100644
--- a/test/xi2/protocol-xipassivegrabdevice.c
+++ b/test/xi2/protocol-xipassivegrabdevice.c
@@ -136,6 +136,7 @@ request_XIPassiveGrabDevice(ClientPtr client, xXIPassiveGrabDeviceReq * req,
{
int rc;
int modifiers;
+ int mask_len;
client_request.req_len = req->length;
rc = ProcXIPassiveGrabDevice(&client_request);
@@ -153,10 +154,11 @@ request_XIPassiveGrabDevice(ClientPtr client, xXIPassiveGrabDeviceReq * req,
swaps(&req->deviceid);
modifiers = req->num_modifiers;
swaps(&req->num_modifiers);
+ mask_len = req->mask_len;
swaps(&req->mask_len);
while (modifiers--) {
- CARD32 *mod = ((CARD32 *) (req + 1)) + modifiers;
+ CARD32 *mod = (CARD32 *) (req + 1) + mask_len + modifiers;
swapl(mod);
}
@@ -235,6 +237,11 @@ test_XIPassiveGrabDevice(void)
request->detail = XIAnyButton;
request_XIPassiveGrabDevice(&client_request, request, Success, 0);
+ /* Set a few random masks to make sure we handle modifiers correctly */
+ SetBit(mask, XI_ButtonPress);
+ SetBit(mask, XI_KeyPress);
+ SetBit(mask, XI_Enter);
+
/* some modifiers */
request->num_modifiers = N_MODS;
request->length += N_MODS;