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Update pin.c

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Token2
2024-11-21 21:35:49 +01:00
committed by GitHub
parent dc7a4c9455
commit 1593cba5a4
1 changed files with 12 additions and 3 deletions
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13
tools/pin.c
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@@ -80,6 +80,7 @@ out:
int pin_set2(char *path, const char *pin1) {
fido_dev_t *dev = NULL;
char mutable_pin[64]; // Temporary buffer for mutable PIN
int r, status = 1;
if (strlen(pin1) < 4 || strlen(pin1) > 63) {
@@ -87,28 +88,36 @@ out:
return status;
}
// Copy the PIN to a mutable buffer
strncpy(mutable_pin, pin1, sizeof(mutable_pin) - 1);
mutable_pin[sizeof(mutable_pin) - 1] = '\0'; // Null-terminate
dev = open_dev(path);
if (!dev) {
fprintf(stderr, "Failed to open device\n");
return status;
}
r = fido_dev_set_pin(dev, pin1, NULL);
r = fido_dev_set_pin(dev, mutable_pin, NULL);
if (r != FIDO_OK) {
fprintf(stderr, "Error setting PIN: %s\n", fido_strerr(r));
goto out;
}
status = 0; // Success
out:
if (dev) {
fido_dev_close(dev);
fido_dev_free(&dev);
}
explicit_bzero((void *)pin1, strlen(pin1)); // Clear PIN from memory
// Clear the PIN from memory
explicit_bzero(mutable_pin, sizeof(mutable_pin));
return status;
}
int
pin_change(char *path)
{