client-handshake.c

	i.ssl_connection = ssl_connection;
	i.path = path;
	i.host = host;
	i.origin = origin;
	i.protocol = protocol;
	i.ietf_version_or_minus_one = ietf_version_or_minus_one;
	i.userdata = NULL;

	return lws_client_connect_via_info(&i);
}

#if defined(LWS_WITH_SOCKS5)
void socks_generate_msg(struct lws *wsi, enum socks_msg_type type,
			ssize_t *msg_len)
{
	struct lws_context *context = wsi->context;
	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
	ssize_t len = 0, n, passwd_len;
	short net_num;
	char *p;

	switch (type) {
	case SOCKS_MSG_GREETING:
		/* socks version, version 5 only */
		pt->serv_buf[len++] = SOCKS_VERSION_5;
		/* number of methods */
		pt->serv_buf[len++] = 2;
		/* username password method */
		pt->serv_buf[len++] = SOCKS_AUTH_USERNAME_PASSWORD;
		/* no authentication method */
		pt->serv_buf[len++] = SOCKS_AUTH_NO_AUTH;
		break;

	case SOCKS_MSG_USERNAME_PASSWORD:
		n = strlen(wsi->vhost->socks_user);
		passwd_len = strlen(wsi->vhost->socks_password);

		/* the subnegotiation version */
		pt->serv_buf[len++] = SOCKS_SUBNEGOTIATION_VERSION_1;
		/* length of the user name */
		pt->serv_buf[len++] = n;
		/* user name */
		strncpy((char *)&pt->serv_buf[len], wsi->vhost->socks_user,
			context->pt_serv_buf_size - len);
		len += n;
		/* length of the password */
		pt->serv_buf[len++] = passwd_len;
		/* password */
		strncpy((char *)&pt->serv_buf[len], wsi->vhost->socks_password,
			context->pt_serv_buf_size - len);
		len += passwd_len;
		break;

	case SOCKS_MSG_CONNECT:
		p = (char*)&net_num;

		/* socks version */
		pt->serv_buf[len++] = SOCKS_VERSION_5;
		/* socks command */
		pt->serv_buf[len++] = SOCKS_COMMAND_CONNECT;
		/* reserved */
		pt->serv_buf[len++] = 0;
		/* address type */
		pt->serv_buf[len++] = SOCKS_ATYP_DOMAINNAME;
		/* skip length, we fill it in at the end */
		n = len++;

		/* the address we tell SOCKS proxy to connect to */
		strncpy((char *)&(pt->serv_buf[len]), wsi->stash->address,
			context->pt_serv_buf_size - len);
		len += strlen(wsi->stash->address);
		net_num = htons(wsi->c_port);

		/* the port we tell SOCKS proxy to connect to */
		pt->serv_buf[len++] = p[0];
		pt->serv_buf[len++] = p[1];

		/* the length of the address, excluding port */
		pt->serv_buf[n] = strlen(wsi->stash->address);
		break;
		
	default:
		return;
	}

	*msg_len = len;
}
#endif