int mailsmtp_ssl_connect_with_callback(mailsmtp * session,
const char * server, uint16_t port,
void (* callback)(struct mailstream_ssl_context * ssl_context, void * data), void * data)
{
int s;
mailstream * stream;
#if HAVE_CFNETWORK
if (callback == NULL) {
return mailsmtp_cfssl_connect(session, server, port);
}
#endif
if (port == 0) {
port = mail_get_service_port(SERVICE_NAME_SMTPS, SERVICE_TYPE_TCP);
if (port == 0)
port = DEFAULT_SMTPS_PORT;
}
/* Connection */
s = mail_tcp_connect(server, port);
if (s == -1)
return MAILSMTP_ERROR_CONNECTION_REFUSED;
stream = mailstream_ssl_open(s);
if (stream == NULL) {
close(s);
return MAILSMTP_ERROR_SSL;
}
return mailsmtp_connect(session, stream);
}
int mailsmtp_socket_connect(mailsmtp * session,
const char * server, uint16_t port)
{
int s;
mailstream * stream;
#if HAVE_CFNETWORK
return mailsmtp_cfsocket_connect(session, server, port);
#endif
if (port == 0) {
port = mail_get_service_port(SERVICE_NAME_SMTP, SERVICE_TYPE_TCP);
if (port == 0)
port = DEFAULT_SMTP_PORT;
}
/* Connection */
s = mail_tcp_connect(server, port);
if (s == -1)
return MAILSMTP_ERROR_CONNECTION_REFUSED;
stream = mailstream_socket_open(s);
if (stream == NULL) {
#ifdef WIN32
closesocket(s);
#else
close(s);
#endif
return MAILSMTP_ERROR_MEMORY;
}
return mailsmtp_connect(session, stream);
}
static int mailsmtp_cfsocket_connect(mailsmtp * session,
const char * server, uint16_t port)
{
mailstream * stream;
stream = mailstream_cfstream_open_timeout(server, port, session->smtp_timeout);
if (stream == NULL) {
return MAILSMTP_ERROR_CONNECTION_REFUSED;
}
return mailsmtp_connect(session, stream);
}
static int mailsmtp_cfssl_connect(mailsmtp * session,
const char * server, uint16_t port)
{
mailstream * stream;
int r;
stream = mailstream_cfstream_open(server, port);
if (stream == NULL) {
return MAILSMTP_ERROR_CONNECTION_REFUSED;
}
mailstream_cfstream_set_ssl_verification_mask(stream, MAILSTREAM_CFSTREAM_SSL_NO_VERIFICATION);
r = mailstream_cfstream_set_ssl_enabled(stream, 1);
if (r < 0) {
mailstream_close(stream);
return MAILSMTP_ERROR_SSL;
}
return mailsmtp_connect(session, stream);
}