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RRTcodebaseC

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dc_smtp_t* dc_smtp_new(dc_context_t* context)
{
dc_smtp_t* smtp = NULL;
if ((smtp=calloc(1, sizeof(dc_smtp_t)))==NULL) {
exit(29);
}
smtp->log_connect_errors = 1;
smtp->context = context; /* should be used for logging only */
return smtp;
}
void dc_smtp_unref(dc_smtp_t* smtp)
{
if (smtp==NULL) {
return;
}
dc_smtp_disconnect(smtp);
free(smtp->from);
free(smtp->error);
free(smtp);
}
static void log_error(dc_smtp_t* smtp, const char* what_failed, int r)
{
char* error_msg = dc_mprintf("%s: %s: %s", what_failed, mailsmtp_strerror(r), smtp->etpan->response);
dc_log_warning(smtp->context, 0, "%s", error_msg);
free(smtp->error);
smtp->error = error_msg;
smtp->error_etpan = r;
}
int dc_smtp_is_connected(const dc_smtp_t* smtp)
{
return (smtp && smtp->etpan)? 1 : 0;
}
static void body_progress(size_t current, size_t maximum, void* user_data)
{
#if DEBUG_SMTP
printf("body_progress called with current=%i, maximum=%i.", (int)current, (int)maximum);
#endif
}
#if DEBUG_SMTP
static void logger(mailsmtp* smtp, int log_type, const char* buffer__, size_t size, void* user_data)
{
char* buffer = malloc(size+1);
memcpy(buffer, buffer__, size);
buffer[size] = 0;
printf("SMTP: %i: %s", log_type, buffer__);
}
#endif
int dc_smtp_connect(dc_smtp_t* smtp, const dc_loginparam_t* lp)
{
int success = 0;
int r = 0;
int try_esmtp = 0;
if (smtp==NULL || lp==NULL) {
return 0;
}
if (smtp->etpan) {
dc_log_warning(smtp->context, 0, "SMTP already connected.");
success = 1; /* otherwise, the handle would get deleted */
goto cleanup;
}
if (lp->addr==NULL || lp->send_server==NULL || lp->send_port==0) {
dc_log_event_seq(smtp->context, DC_EVENT_ERROR_NETWORK, &smtp->log_connect_errors,
"SMTP bad parameters.");
goto cleanup;
}
free(smtp->from);
smtp->from = dc_strdup(lp->addr);
smtp->etpan = mailsmtp_new(0, NULL);
if (smtp->etpan==NULL) {
dc_log_error(smtp->context, 0, "SMTP-object creation failed.");
goto cleanup;
}
mailsmtp_set_timeout(smtp->etpan, DC_SMTP_TIMEOUT_SEC);
mailsmtp_set_progress_callback(smtp->etpan, body_progress, smtp);
#if DEBUG_SMTP
mailsmtp_set_logger(smtp->etpan, logger, smtp);
#endif