setupapi: Enforce a maximum device instance ID length.
Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -1337,7 +1337,7 @@ HKEY WINAPI SetupDiCreateDevRegKeyW(HDEVINFO devinfo, SP_DEVINFO_DATA *device_da
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/***********************************************************************
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* SetupDiCreateDeviceInfoA (SETUPAPI.@)
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*/
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BOOL WINAPI SetupDiCreateDeviceInfoA(HDEVINFO DeviceInfoSet, PCSTR DeviceName,
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BOOL WINAPI SetupDiCreateDeviceInfoA(HDEVINFO DeviceInfoSet, const char *name,
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const GUID *ClassGuid, PCSTR DeviceDescription, HWND hwndParent, DWORD CreationFlags,
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PSP_DEVINFO_DATA DeviceInfoData)
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{
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@ -1345,11 +1345,15 @@ BOOL WINAPI SetupDiCreateDeviceInfoA(HDEVINFO DeviceInfoSet, PCSTR DeviceName,
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LPWSTR DeviceNameW = NULL;
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LPWSTR DeviceDescriptionW = NULL;
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if (DeviceName)
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if (!name || strlen(name) >= MAX_DEVICE_ID_LEN)
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{
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DeviceNameW = MultiByteToUnicode(DeviceName, CP_ACP);
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if (DeviceNameW == NULL) return FALSE;
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SetLastError(ERROR_INVALID_DEVINST_NAME);
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return FALSE;
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}
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DeviceNameW = MultiByteToUnicode(name, CP_ACP);
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if (DeviceNameW == NULL) return FALSE;
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if (DeviceDescription)
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{
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DeviceDescriptionW = MultiByteToUnicode(DeviceDescription, CP_ACP);
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@ -1407,7 +1411,7 @@ BOOL WINAPI SetupDiCreateDeviceInfoW(HDEVINFO devinfo, PCWSTR DeviceName,
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devinfo, debugstr_w(DeviceName), debugstr_guid(ClassGuid), debugstr_w(DeviceDescription),
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hwndParent, CreationFlags, device_data);
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if (!DeviceName)
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if (!DeviceName || strlenW(DeviceName) >= MAX_DEVICE_ID_LEN)
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{
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SetLastError(ERROR_INVALID_DEVINST_NAME);
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return FALSE;
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@ -271,8 +271,8 @@ static void test_device_info(void)
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{
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static const GUID deadbeef = {0xdeadbeef,0xdead,0xbeef,{0xde,0xad,0xbe,0xef,0xde,0xad,0xbe,0xef}};
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SP_DEVINFO_DATA device = {0}, ret_device = {sizeof(ret_device)};
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char id[MAX_DEVICE_ID_LEN + 2];
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HDEVINFO set;
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char id[50];
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BOOL ret;
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SetLastError(0xdeadbeef);
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@ -382,6 +382,24 @@ todo_wine {
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check_device_info(set, 2, &guid, "ROOT\\LEGACY_BOGUS\\testguid");
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check_device_info(set, 3, NULL, NULL);
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memset(id, 'x', sizeof(id));
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memcpy(id, "Root\\LEGACY_BOGUS\\", strlen("Root\\LEGACY_BOGUS\\"));
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id[MAX_DEVICE_ID_LEN + 1] = 0;
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SetLastError(0xdeadbeef);
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ret = SetupDiCreateDeviceInfoA(set, id, &guid, NULL, NULL, 0, NULL);
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ok(!ret, "Expected failure.\n");
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ok(GetLastError() == ERROR_INVALID_DEVINST_NAME, "Got unexpected error %#x.\n", GetLastError());
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id[MAX_DEVICE_ID_LEN] = 0;
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SetLastError(0xdeadbeef);
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ret = SetupDiCreateDeviceInfoA(set, id, &guid, NULL, NULL, 0, NULL);
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ok(!ret, "Expected failure.\n");
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ok(GetLastError() == ERROR_INVALID_DEVINST_NAME, "Got unexpected error %#x.\n", GetLastError());
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id[MAX_DEVICE_ID_LEN - 1] = 0;
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ret = SetupDiCreateDeviceInfoA(set, id, &guid, NULL, NULL, 0, NULL);
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ok(ret, "Failed to create device, error %#x.\n", GetLastError());
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SetupDiDestroyDeviceInfoList(set);
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}
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