int handle_aeskeyerr (unsigned char *payload) {
CHANNEL *ch;
struct despotify_session* ds;
int ret = 0;
DSFYDEBUG("Server said 0x0e (AES key error) for channel %d\n",
ntohs (*(unsigned short *) (payload + 2)))
if ((ch =
channel_by_id (ntohs
(*(unsigned short *) (payload + 2)))) !=
NULL) {
ds = ch->private;
if(ds->client_callback)
ds->client_callback(ds, DESPOTIFY_TRACK_PLAY_ERROR,
NULL,
ds->client_callback_data);
channel_unregister (ch);
}
int handle_aeskey (unsigned char *payload, int len)
{
CHANNEL *ch;
int ret;
DSFYDEBUG ("Server said 0x0d (AES key) for channel %d\n",
ntohs (*(unsigned short *) (payload + 2)))
if ((ch =
channel_by_id (ntohs
(*(unsigned short *) (payload + 2)))) !=
NULL) {
ret = ch->callback (ch, payload + 4, len - 4);
channel_unregister (ch);
}
else {
DSFYDEBUG
("Command 0x0d: Failed to find channel with ID %d\n",
ntohs (*(unsigned short *) (payload + 2)));
}
return ret;
}
static void
test_channel_id_map(void *arg)
{
(void)arg;
#define N_CHAN 6
char rsa_id[N_CHAN][DIGEST_LEN];
ed25519_public_key_t *ed_id[N_CHAN];
channel_t *chan[N_CHAN];
int i;
ed25519_public_key_t ed_zero;
memset(&ed_zero, 0, sizeof(ed_zero));
tt_int_op(DIGEST_LEN, OP_EQ, sizeof(rsa_id[0])); // Do I remember C?
for (i = 0; i < N_CHAN; ++i) {
crypto_rand(rsa_id[i], DIGEST_LEN);
ed_id[i] = tor_malloc_zero(sizeof(*ed_id[i]));
crypto_rand((char*)ed_id[i]->pubkey, sizeof(ed_id[i]->pubkey));
}
/* For channel 3, have no Ed identity. */
tor_free(ed_id[3]);
/* Channel 2 and 4 have same ROSA identity */
memcpy(rsa_id[4], rsa_id[2], DIGEST_LEN);
/* Channel 2 and 4 and 5 have same RSA identity */
memcpy(rsa_id[4], rsa_id[2], DIGEST_LEN);
memcpy(rsa_id[5], rsa_id[2], DIGEST_LEN);
/* Channels 2 and 5 have same Ed25519 identity */
memcpy(ed_id[5], ed_id[2], sizeof(*ed_id[2]));
for (i = 0; i < N_CHAN; ++i) {
chan[i] = new_fake_channel();
channel_register(chan[i]);
channel_set_identity_digest(chan[i], rsa_id[i], ed_id[i]);
}
/* Lookup by RSA id only */
tt_ptr_op(chan[0], OP_EQ,
channel_find_by_remote_identity(rsa_id[0], NULL));
tt_ptr_op(chan[1], OP_EQ,
channel_find_by_remote_identity(rsa_id[1], NULL));
tt_ptr_op(chan[3], OP_EQ,
channel_find_by_remote_identity(rsa_id[3], NULL));
channel_t *ch;
ch = channel_find_by_remote_identity(rsa_id[2], NULL);
tt_assert(ch == chan[2] || ch == chan[4] || ch == chan[5]);
ch = channel_next_with_rsa_identity(ch);
tt_assert(ch == chan[2] || ch == chan[4] || ch == chan[5]);
ch = channel_next_with_rsa_identity(ch);
tt_assert(ch == chan[2] || ch == chan[4] || ch == chan[5]);
ch = channel_next_with_rsa_identity(ch);
tt_ptr_op(ch, OP_EQ, NULL);
/* As above, but with zero Ed25519 ID (meaning "any ID") */
tt_ptr_op(chan[0], OP_EQ,
channel_find_by_remote_identity(rsa_id[0], &ed_zero));
tt_ptr_op(chan[1], OP_EQ,
channel_find_by_remote_identity(rsa_id[1], &ed_zero));
tt_ptr_op(chan[3], OP_EQ,
channel_find_by_remote_identity(rsa_id[3], &ed_zero));
ch = channel_find_by_remote_identity(rsa_id[2], &ed_zero);
tt_assert(ch == chan[2] || ch == chan[4] || ch == chan[5]);
ch = channel_next_with_rsa_identity(ch);
tt_assert(ch == chan[2] || ch == chan[4] || ch == chan[5]);
ch = channel_next_with_rsa_identity(ch);
tt_assert(ch == chan[2] || ch == chan[4] || ch == chan[5]);
ch = channel_next_with_rsa_identity(ch);
tt_ptr_op(ch, OP_EQ, NULL);
/* Lookup nonexistent RSA identity */
tt_ptr_op(NULL, OP_EQ,
channel_find_by_remote_identity("!!!!!!!!!!!!!!!!!!!!", NULL));
/* Look up by full identity pair */
tt_ptr_op(chan[0], OP_EQ,
channel_find_by_remote_identity(rsa_id[0], ed_id[0]));
tt_ptr_op(chan[1], OP_EQ,
channel_find_by_remote_identity(rsa_id[1], ed_id[1]));
tt_ptr_op(chan[3], OP_EQ,
channel_find_by_remote_identity(rsa_id[3], ed_id[3] /*NULL*/));
tt_ptr_op(chan[4], OP_EQ,
channel_find_by_remote_identity(rsa_id[4], ed_id[4]));
ch = channel_find_by_remote_identity(rsa_id[2], ed_id[2]);
tt_assert(ch == chan[2] || ch == chan[5]);
/* Look up RSA identity with wrong ed25519 identity */
tt_ptr_op(NULL, OP_EQ,
channel_find_by_remote_identity(rsa_id[4], ed_id[0]));
tt_ptr_op(NULL, OP_EQ,
channel_find_by_remote_identity(rsa_id[2], ed_id[1]));
tt_ptr_op(NULL, OP_EQ,
channel_find_by_remote_identity(rsa_id[3], ed_id[1]));
done:
for (i = 0; i < N_CHAN; ++i) {
channel_clear_identity_digest(chan[i]);
channel_unregister(chan[i]);
free_fake_channel(chan[i]);
tor_free(ed_id[i]);
}
#undef N_CHAN
}