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RRTcodebaseC

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dc_log_info(imap->context, 0, "IMAP-OAuth2 connect...");
char* access_token = dc_get_oauth2_access_token(imap->context, imap->addr, imap->imap_pw, 0);
r = mailimap_oauth2_authenticate(imap->etpan, imap->imap_user, access_token);
if (dc_imap_is_error(imap, r)) {
free(access_token);
access_token = dc_get_oauth2_access_token(imap->context, imap->addr, imap->imap_pw, DC_REGENERATE);
r = mailimap_oauth2_authenticate(imap->etpan, imap->imap_user, access_token);
}
free(access_token);
}
else
{
/* DC_LP_AUTH_NORMAL or no auth flag set */
r = mailimap_login(imap->etpan, imap->imap_user, imap->imap_pw);
}
if (dc_imap_is_error(imap, r)) {
char* msg = get_error_msg(imap, "Cannot login", r);
dc_log_event_seq(imap->context, DC_EVENT_ERROR_NETWORK, &imap->log_connect_errors,
"%s", msg);
free(msg);
goto cleanup;
}
dc_log_event(imap->context, DC_EVENT_IMAP_CONNECTED, 0,
"IMAP-login as %s ok.", imap->imap_user);
success = 1;
cleanup:
if (success==0) {
unsetup_handle(imap);
}
imap->should_reconnect = 0;
return success;
}
static void unsetup_handle(dc_imap_t* imap)
{
if (imap==NULL) {
return;
}
if (imap->etpan)
{
if (imap->idle_set_up) {
mailstream_unsetup_idle(imap->etpan->imap_stream);
imap->idle_set_up = 0;
}
if (imap->etpan->imap_stream!=NULL) {
mailstream_close(imap->etpan->imap_stream); /* not sure, if this is really needed, however, mailcore2 does the same */
imap->etpan->imap_stream = NULL;
}
mailimap_free(imap->etpan);
imap->etpan = NULL;
dc_log_info(imap->context, 0, "IMAP disconnected.");
}
imap->selected_folder[0] = 0;
/* we leave sent_folder set; normally this does not change in a normal reconnect; we'll update this folder if we get errors */
}
/*******************************************************************************
* Connect/Disconnect
******************************************************************************/
static void free_connect_param(dc_imap_t* imap)
{
free(imap->addr);
imap->addr = NULL;
free(imap->imap_server);
imap->imap_server = NULL;
free(imap->imap_user);
imap->imap_user = NULL;
free(imap->imap_pw);
imap->imap_pw = NULL;
imap->watch_folder[0] = 0;
imap->selected_folder[0] = 0;
imap->imap_port = 0;
imap->can_idle = 0;
imap->has_xlist = 0;
}
int dc_imap_connect(dc_imap_t* imap, const dc_loginparam_t* lp)
{