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msacm32: Add more invalid parameter checks for acmFormatEnum(). 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2017-06-07 16:07:50 -05:00 committed by Alexandre Julliard
parent 27f82b46ad
commit c984aa5fc9
2 changed files with 53 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
dlls/msacm32/format.c
View File

@ -492,6 +492,9 @@ MMRESULT WINAPI acmFormatEnumA(HACMDRIVER had, PACMFORMATDETAILSA pafda,
if (!pafda)
return MMSYSERR_INVALPARAM;
if (!fnCallback)
return MMSYSERR_INVALPARAM;
if (pafda->cbStruct < sizeof(*pafda))
return MMSYSERR_INVALPARAM;
@ -499,6 +502,7 @@ MMRESULT WINAPI acmFormatEnumA(HACMDRIVER had, PACMFORMATDETAILSA pafda,
afdw.cbStruct = sizeof(afdw);
afdw.dwFormatIndex = pafda->dwFormatIndex;
afdw.dwFormatTag = pafda->dwFormatTag;
afdw.fdwSupport = pafda->fdwSupport;
afdw.pwfx = pafda->pwfx;
afdw.cbwfx = pafda->cbwfx;
@ -613,6 +617,8 @@ MMRESULT WINAPI acmFormatEnumW(HACMDRIVER had, PACMFORMATDETAILSW pafd,
PWINE_ACMDRIVERID padid;
WAVEFORMATEX wfxRef;
BOOL ret;
DWORD cbwfxMax;
MMRESULT mmr;
TRACE("(%p, %p, %p, %ld, %d)\n",
had, pafd, fnCallback, dwInstance, fdwEnum);
@ -620,9 +626,18 @@ MMRESULT WINAPI acmFormatEnumW(HACMDRIVER had, PACMFORMATDETAILSW pafd,
if (!pafd)
return MMSYSERR_INVALPARAM;
if (!fnCallback)
return MMSYSERR_INVALPARAM;
if (pafd->cbStruct < sizeof(*pafd))
return MMSYSERR_INVALPARAM;
if (pafd->fdwSupport)
return MMSYSERR_INVALPARAM;
if (!pafd->pwfx)
return MMSYSERR_INVALPARAM;
if (fdwEnum & (ACM_FORMATENUMF_WFORMATTAG|ACM_FORMATENUMF_NCHANNELS|
ACM_FORMATENUMF_NSAMPLESPERSEC|ACM_FORMATENUMF_WBITSPERSAMPLE|
ACM_FORMATENUMF_CONVERT|ACM_FORMATENUMF_SUGGEST))
@ -639,6 +654,12 @@ MMRESULT WINAPI acmFormatEnumW(HACMDRIVER had, PACMFORMATDETAILSW pafd,
if (fdwEnum & (ACM_FORMATENUMF_CONVERT|ACM_FORMATENUMF_INPUT|ACM_FORMATENUMF_OUTPUT))
FIXME("Unsupported fdwEnum values %08x\n", fdwEnum);
mmr = acmMetrics((HACMOBJ)had, ACM_METRIC_MAX_SIZE_FORMAT, &cbwfxMax);
if (mmr != MMSYSERR_NOERROR)
return mmr;
if (pafd->cbwfx < cbwfxMax)
return MMSYSERR_INVALPARAM;
if (had) {
HACMDRIVERID hadid;

36
dlls/msacm32/tests/msacm.c
View File

@ -330,12 +330,10 @@ static BOOL CALLBACK DriverEnumProc(HACMDRIVERID hadid,
"acmFormatEnumA(): rc = %08x, should be %08x\n",
rc, MMSYSERR_INVALPARAM);
if (dwSize < sizeof(WAVEFORMATEX))
dwSize = sizeof(WAVEFORMATEX);
pwfx = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwSize);
pwfx->cbSize = LOWORD(dwSize) - sizeof(WAVEFORMATEX);
if (dwSize >= sizeof(WAVEFORMATEX))
pwfx->cbSize = LOWORD(dwSize) - sizeof(WAVEFORMATEX);
pwfx->wFormatTag = WAVE_FORMAT_UNKNOWN;
fd.cbStruct = sizeof(fd);
@ -343,6 +341,36 @@ static BOOL CALLBACK DriverEnumProc(HACMDRIVERID hadid,
fd.cbwfx = dwSize;
fd.dwFormatTag = WAVE_FORMAT_UNKNOWN;
/* try bad callback */
rc = acmFormatEnumA(had, &fd, NULL, 0, 0);
ok(rc == MMSYSERR_INVALPARAM,
"acmFormatEnumA(): rc = %08x, should be %08x\n",
rc, MMSYSERR_INVALPARAM);
/* try bad pwfx */
fd.pwfx = NULL;
rc = acmFormatEnumA(had, &fd, FormatEnumProc, 0, 0);
ok(rc == MMSYSERR_INVALPARAM,
"acmFormatEnumA(): rc = %08x, should be %08x\n",
rc, MMSYSERR_INVALPARAM);
fd.pwfx = pwfx;
/* fdwSupport must be zero */
fd.fdwSupport = 0xdeadbeef;
rc = acmFormatEnumA(had, &fd, FormatEnumProc, 0, 0);
ok(rc == MMSYSERR_INVALPARAM,
"acmFormatEnumA(): rc = %08x, should be %08x\n",
rc, MMSYSERR_INVALPARAM);
fd.fdwSupport = 0;
/* try bad pwfx structure size */
fd.cbwfx = dwSize-1;
rc = acmFormatEnumA(had, &fd, FormatEnumProc, 0, 0);
ok(rc == MMSYSERR_INVALPARAM,
"acmFormatEnumA(): rc = %08x, should be %08x\n",
rc, MMSYSERR_INVALPARAM);
fd.cbwfx = dwSize;
/* try valid parameters */
rc = acmFormatEnumA(had, &fd, FormatEnumProc, 0, 0);
ok(rc == MMSYSERR_NOERROR,