dearsky/pico-fido
1
0
Fork 0
Code Issues 46 Pull Requests 1 Actions Packages Projects Releases 22 Wiki Activity

Add support to PIN POLICY URL via VendorConfig.

Browse Source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2025-09-11 19:20:20 +02:00
parent e4f8caa1ba
commit 9b254a0738
6 changed files with 91 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/fido/cbor_config.c
View File

@@ -40,7 +40,7 @@ int cbor_config(const uint8_t *data, size_t len) {
CborError error = CborNoError;
uint64_t subcommand = 0, pinUvAuthProtocol = 0, vendorCommandId = 0, newMinPinLength = 0, vendorParamInt = 0;
CborByteString pinUvAuthParam = { 0 }, vendorParamByteString = { 0 };
CborCharString minPinLengthRPIDs[32] = { 0 };
CborCharString minPinLengthRPIDs[32] = { 0 }, vendorParamTextString = { 0 };
size_t resp_size = 0, raw_subpara_len = 0, minPinLengthRPIDs_len = 0;
CborEncoder encoder;
//CborEncoder mapEncoder;
@@ -79,6 +79,9 @@ int cbor_config(const uint8_t *data, size_t len) {
else if (subpara == 0x03) {
CBOR_FIELD_GET_UINT(vendorParamInt, 2);
}
else if (subpara == 0x04) {
CBOR_FIELD_GET_TEXT(vendorParamTextString, 2);
}
}
else if (subcommand == 0x03) { // Extensions
CBOR_FIELD_GET_UINT(subpara, 2);
@@ -224,6 +227,21 @@ int cbor_config(const uint8_t *data, size_t len) {
}
low_flash_available();
}
else if (vendorCommandId == CTAP_CONFIG_PIN_POLICY) {
file_t *ef_pin_policy = file_new(EF_PIN_COMPLEXITY_POLICY);
if (ef_pin_policy) {
uint8_t *val = calloc(1, 2 + vendorParamByteString.len);
if (val) {
// Not ready yet for integer param
// val[0] = (uint8_t)(vendorParamInt >> 8);
// val[1] = (uint8_t)(vendorParamInt & 0xFF);
memcpy(val + 2, vendorParamByteString.data, vendorParamByteString.len);
file_put_data(ef_pin_policy, val, 2 + vendorParamByteString.len);
free(val);
}
}
low_flash_available();
}
else {
CBOR_ERROR(CTAP2_ERR_INVALID_SUBCOMMAND);
}
@@ -275,6 +293,7 @@ int cbor_config(const uint8_t *data, size_t len) {
err:
CBOR_FREE_BYTE_STRING(pinUvAuthParam);
CBOR_FREE_BYTE_STRING(vendorParamByteString);
CBOR_FREE_BYTE_STRING(vendorParamTextString);
for (size_t i = 0; i < minPinLengthRPIDs_len; i++) {
CBOR_FREE_BYTE_STRING(minPinLengthRPIDs[i]);
}