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Reset internal state of GA to avoid phantom requests on GNA.

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When a previous GA had more than 1 credential, it stored the full list in the internal state. Later, if a GA had only 1 credential, subsequent GNA returned older state of previous non-related GA.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-01-05 12:36:44 +01:00
parent ac7e34522a
commit 5fc84d7097
2 changed files with 21 additions and 13 deletions
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4
src/fido/cbor.c
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@@ -41,6 +41,7 @@ int cbor_cred_mgmt(const uint8_t *data, size_t len);
int cbor_config(const uint8_t *data, size_t len);
int cbor_vendor(const uint8_t *data, size_t len);
int cbor_large_blobs(const uint8_t *data, size_t len);
extern void reset_gna_state();
extern int cmd_read_config();
@@ -59,6 +60,9 @@ int cbor_parse(uint8_t cmd, const uint8_t *data, size_t len) {
}
if (cap_supported(CAP_FIDO2)) {
if (cmd == CTAPHID_CBOR) {
if (data[0] != CTAP_GET_NEXT_ASSERTION) {
reset_gna_state();
}
if (data[0] == CTAP_MAKE_CREDENTIAL) {
return cbor_make_credential(data + 1, len - 1);
}