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Update pin.c

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Token2
2024-11-21 21:33:51 +01:00
committed by GitHub
parent f7179b1f12
commit dc7a4c9455
1 changed files with 25 additions and 33 deletions
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30
tools/pin.c
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@@ -78,42 +78,34 @@ out:
} }
int pin_set2(char* path, const char* pin1) int pin_set2(char *path, const char *pin1) {
{ fido_dev_t *dev = NULL;
fido_dev_t* dev = NULL; int r, status = 1;
int r;
int status = 1; // Default to failure
// Validate the provided PIN length
if (strlen(pin1) < 4 || strlen(pin1) > 63) { if (strlen(pin1) < 4 || strlen(pin1) > 63) {
fprintf(stderr, "invalid PIN length\n"); fprintf(stderr, "Invalid PIN length\n");
return status; return status;
} }
// Open the device
dev = open_dev(path); dev = open_dev(path);
if (!dev) { if (!dev) {
fprintf(stderr, "Failed to open device\n"); fprintf(stderr, "Failed to open device\n");
return status; return status;
} }
// Set the PIN r = fido_dev_set_pin(dev, pin1, NULL);
if ((r = fido_dev_set_pin(dev, pin1, NULL)) != FIDO_OK) { if (r != FIDO_OK) {
warnx("fido_dev_set_pin: %s", fido_strerr(r)); fprintf(stderr, "Error setting PIN: %s\n", fido_strerr(r));
} goto out;
else {
status = 0; // Success
} }
// Cleanup status = 0; // Success
out:
if (dev) { if (dev) {
fido_dev_close(dev); fido_dev_close(dev);
fido_dev_free(&dev); fido_dev_free(&dev);
} }
explicit_bzero((void *)pin1, strlen(pin1)); // Clear PIN from memory
// Explicitly clear the PIN from memory
explicit_bzero((void*)pin1, strlen(pin1));
return status; return status;
} }