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Add checks to the endpoint and pipe configure functions and fail if the requested endpoint or pipe number is above the maximum for that device.

This commit is contained in:
Dean Camera 2012-06-10 19:53:20 +00:00
parent 9ab445518a
commit c41bbf9fcc
6 changed files with 24 additions and 4 deletions
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7
LUFA/Drivers/USB/Core/AVR8/Endpoint_AVR8.h
View File

@ -202,7 +202,12 @@
const uint16_t Size,
const uint8_t Banks)
{
return Endpoint_ConfigureEndpoint_Prv((Address & ENDPOINT_EPNUM_MASK),
uint8_t Number = (Address & ENDPOINT_EPNUM_MASK);
if (Number >= ENDPOINT_TOTAL_ENDPOINTS)
return false;
return Endpoint_ConfigureEndpoint_Prv(Number,
((Type << EPTYPE0) | ((Address & ENDPOINT_DIR_IN) ? (1 << EPDIR) : 0)),
((1 << ALLOC) | ((Banks > 1) ? (1 << EPBK0) : 0) | Endpoint_BytesToEPSizeMask(Size)));
}

3
LUFA/Drivers/USB/Core/AVR8/Pipe_AVR8.c
View File

@ -66,6 +66,9 @@ bool Pipe_ConfigurePipe(const uint8_t Address,
uint8_t Number = (Address & PIPE_EPNUM_MASK);
uint8_t Token = (Address & PIPE_DIR_IN) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT;
if (Number >= PIPE_TOTAL_PIPES)
return false;
if (Type == EP_TYPE_CONTROL)
Token = PIPE_TOKEN_SETUP;

7
LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h
View File

@ -208,7 +208,12 @@
const uint16_t Size,
const uint8_t Banks)
{
return Endpoint_ConfigureEndpoint_Prv((Address & ENDPOINT_EPNUM_MASK),
uint8_t Number = (Address & ENDPOINT_EPNUM_MASK);
if (Number >= ENDPOINT_TOTAL_ENDPOINTS)
return false;
return Endpoint_ConfigureEndpoint_Prv(Number,
(AVR32_USBB_ALLOC_MASK |
((uint32_t)Type << AVR32_USBB_EPTYPE_OFFSET) |
((Address & ENDPOINT_DIR_IN) ? AVR32_USBB_UECFG0_EPDIR_MASK : 0) |

3
LUFA/Drivers/USB/Core/UC3/Pipe_UC3.c
View File

@ -69,6 +69,9 @@ bool Pipe_ConfigurePipe(const uint8_t Address,
uint8_t Number = (Address & PIPE_EPNUM_MASK);
uint8_t Token = (Address & PIPE_DIR_IN) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT;
if (Number >= PIPE_TOTAL_PIPES)
return false;
if (Type == EP_TYPE_CONTROL)
Token = PIPE_TOKEN_SETUP;

6
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
View File

@ -246,8 +246,12 @@
{
uint8_t EPConfigMask = (USB_EP_INTDSBL_bm | ((Banks > 1) ? USB_EP_PINGPONG_bm : 0) | Endpoint_BytesToEPSizeMask(Size));
if ((Address & ENDPOINT_EPNUM_MASK) >= ENDPOINT_TOTAL_ENDPOINTS)
return false;
// TODO - Fix once limitations are lifted
if ((Banks > 1) || (Size > 64))
EPConfigMask &= ~USB_EP_PINGPONG_bm;
if (Size > 64)
return false;
switch (Type)

2
LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c
View File

@ -76,7 +76,7 @@ void USB_Init(
USB.CAL1 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL1));
NVM.CMD = 0;
/* Ugly workaround to ensure an aligned table, since __BIGGEST_ALIGNMENT__ == 1 for 8-bit AVR-GCC */
/* Ugly workaround to ensure an aligned table, since __BIGGEST_ALIGNMENT__ == 1 for the 8-bit AVR-GCC toochain */
USB.EPPTR = ((intptr_t)&USB_EndpointTable[1] & ~(1 << 0));
USB.CTRLA = (USB_STFRNUM_bm | ((ENDPOINT_TOTAL_ENDPOINTS - 1) << USB_MAXEP_gp));