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Parse pairing response and save pairing GUID

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The pairing GUID will be used later on to authenticate the Remote
instance when it logs in.
This commit is contained in:
Julien BLACHE 2010-01-30 17:07:22 +01:00
parent b35c4749a2
commit 115d28e24a
1 changed files with 66 additions and 1 deletions
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67
src/remote_pairing.c
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@ -675,6 +675,11 @@ static void
pairing_request_cb(struct evhttp_request *req, void *arg)
{
struct remote_info *ri;
uint8_t *response;
char guid[17];
int len;
int i;
int ret;
ri = (struct remote_info *)arg;
@ -688,7 +693,67 @@ pairing_request_cb(struct evhttp_request *req, void *arg)
goto cleanup;
}
DPRINTF(E_INFO, L_REMOTE, "Pairing succeeded with Remote '%s' (id %s)\n", ri->pi.name, ri->pi.remote_id);
if (EVBUFFER_LENGTH(req->input_buffer) < 8)
{
DPRINTF(E_LOG, L_REMOTE, "Remote %s/%s: pairing response too short\n", ri->pi.remote_id, ri->pi.name);
goto cleanup;
}
response = EVBUFFER_DATA(req->input_buffer);
if ((response[0] != 'c') || (response[1] != 'm') || (response[2] != 'p') || (response[3] != 'a'))
{
DPRINTF(E_LOG, L_REMOTE, "Remote %s/%s: unknown pairing response, expected cmpa\n", ri->pi.remote_id, ri->pi.name);
goto cleanup;
}
len = (response[4] << 24) | (response[5] << 16) | (response[6] << 8) | (response[7]);
if (EVBUFFER_LENGTH(req->input_buffer) < 8 + len)
{
DPRINTF(E_LOG, L_REMOTE, "Remote %s/%s: pairing response truncated (got %d expected %d)\n",
ri->pi.remote_id, ri->pi.name, (int)EVBUFFER_LENGTH(req->input_buffer), len + 8);
goto cleanup;
}
response += 8;
for (; len > 0; len--, response++)
{
if ((response[0] != 'c') || (response[1] != 'm') || (response[2] != 'p') || (response[3] != 'g'))
continue;
else
{
len -= 8;
response += 8;
break;
}
}
if (len < 8)
{
DPRINTF(E_LOG, L_REMOTE, "Remote %s/%s: cmpg truncated in pairing response\n", ri->pi.remote_id, ri->pi.name);
goto cleanup;
}
for (i = 0; i < 8; i++)
sprintf(guid + (2 * i), "%02X", response[i]);
ri->pi.guid = strdup(guid);
DPRINTF(E_INFO, L_REMOTE, "Pairing succeeded with Remote '%s' (id %s), GUID: %s\n", ri->pi.name, ri->pi.remote_id, guid);
ret = db_pairing_add(&ri->pi);
if (ret < 0)
{
DPRINTF(E_LOG, L_REMOTE, "Failed to register pairing!\n");
goto cleanup;
}
cleanup:
evhttp_connection_free(ri->evcon);