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[core] fix Microsoft's inconsistent casing for device IDs

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* Microsoft inconsistently lists similar Device IDs with either upper or
  lower case values. e.g. USB\VID_1908&PID_0226\5&23CE17BD&0&3 vs.
  USB\VID_1908&PID_0226\5&23ce17bd&0&3
* Of course this creates issues when using a case sensitive hash table...
* We now convert all Device IDs to uppercase before hashing them.
This commit is contained in:
Pete Batard 2017-02-20 12:26:06 +00:00
parent 659f2fae34
commit c021b7bfd8
2 changed files with 16 additions and 5 deletions
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11
src/dev.c
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@ -151,6 +151,13 @@ static __inline BOOL IsRemovable(const char* buffer)
}
}
static __inline void ToUpper(char* str)
{
int i;
for (i = 0; i < safe_strlen(str); i++)
str[i] = toupper(str[i]);
}
BOOL GetOpticalMedia(IMG_SAVE* img_save)
{
static char str[MAX_PATH];
@ -349,6 +356,7 @@ BOOL GetDevices(DWORD devnum)
s = StrArrayAdd(&dev_if_path, devint_detail_data->DevicePath, TRUE);
uuprintf(" Hub[%d] = '%s'", s, devint_detail_data->DevicePath);
if ((s>= 0) && (CM_Get_Device_IDA(device_inst, device_id, MAX_PATH, 0) == CR_SUCCESS)) {
ToUpper(device_id);
if ((k = htab_hash(device_id, &htab_devid)) != 0) {
htab_devid.table[k].data = (void*)(uintptr_t)s;
}
@ -356,6 +364,7 @@ BOOL GetDevices(DWORD devnum)
while (CM_Get_Sibling(&device_inst, device_inst, 0) == CR_SUCCESS) {
device_id[0] = 0;
if (CM_Get_Device_IDA(device_inst, device_id, MAX_PATH, 0) == CR_SUCCESS) {
ToUpper(device_id);
if ((k = htab_hash(device_id, &htab_devid)) != 0) {
htab_devid.table[k].data = (void*)(uintptr_t)s;
}
@ -529,6 +538,7 @@ BOOL GetDevices(DWORD devnum)
// If we're not dealing with the USBSTOR part of our list, then this is an UASP device
props.is_UASP = ((((uintptr_t)device_id)+2) >= ((uintptr_t)devid_list)+list_start[uasp_start]);
// Now get the properties of the device, and its Device ID, which we need to populate the properties
ToUpper(device_id);
j = htab_hash(device_id, &htab_devid);
uuprintf(" Matched with ID[%03d]: %s", j, device_id);
@ -558,6 +568,7 @@ BOOL GetDevices(DWORD devnum)
&& (CM_Get_Device_IDA(grandparent_inst, str, MAX_PATH, 0) == CR_SUCCESS) ) {
device_id = str;
method_str = "[GP]";
ToUpper(device_id);
j = htab_hash(device_id, &htab_devid);
uuprintf(" Matched with (GP) ID[%03d]: %s", j, device_id);
}