コード例 #1
0
ファイル: dcc-chat.c プロジェクト: svn2github/irssi
/* command: DCC CHAT */
static void cmd_dcc_chat(const char *data, IRC_SERVER_REC *server)
{
	DCC_REC *dcc;
	IPADDR own_ip;
	char *str, host[MAX_IP_LEN];
	int port, handle;

	g_return_if_fail(data != NULL);
	if (*data == '\0') cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);

	dcc = dcc_find_item(DCC_TYPE_CHAT, data, NULL);
	if (dcc != NULL) {
		/* found from dcc list - so we're the connecting side.. */
		dcc_chat_connect(dcc);
		return;
	}

	/* send dcc chat request */
	if (server == NULL || !server->connected)
		cmd_return_error(CMDERR_NOT_CONNECTED);

	if (net_getsockname(server->handle, &own_ip, NULL) == -1)
		cmd_return_error(CMDERR_ERRNO);

	port = settings_get_int("dcc_port");
	handle = net_listen(&own_ip, &port);
	if (handle == -1)
		cmd_return_error(CMDERR_ERRNO);

	dcc = dcc_create(DCC_TYPE_CHAT, handle, data, "chat", server, NULL);
	dcc->tagread = g_input_add(dcc->handle, G_INPUT_READ,
				   (GInputFunction) dcc_chat_listen, dcc);

	/* send the request */
	dcc_make_address(&own_ip, host);
	str = g_strdup_printf("PRIVMSG %s :\001DCC CHAT CHAT %s %d\001",
			      data, host, port);
	irc_send_cmd(server, str);
	g_free(str);
}
コード例 #2
0
ファイル: dcc-chat.c プロジェクト: irssi/irssi
/* CTCP: DCC CHAT */
static void ctcp_msg_dcc_chat(IRC_SERVER_REC *server, const char *data,
			      const char *nick, const char *addr,
			      const char *target, CHAT_DCC_REC *chat)
{
        CHAT_DCC_REC *dcc;
	char **params;
	int paramcount;
        int passive, autoallow = FALSE;

        /* CHAT <unused> <address> <port> */
	/* CHAT <unused> <address> 0 <id> (DCC CHAT passive protocol) */
	params = g_strsplit(data, " ", -1);
	paramcount = g_strv_length(params);

	if (paramcount < 3) {
		g_strfreev(params);
		return;
	}
	passive = paramcount == 4 && g_strcmp0(params[2], "0") == 0;

	if (nick == NULL)
		nick = "";

	dcc = DCC_CHAT(dcc_find_request(DCC_CHAT_TYPE, nick, NULL));
	if (dcc != NULL) {
		if (dcc_is_listening(dcc)) {
			/* we requested dcc chat, they requested
			   dcc chat from us .. allow it. */
			dcc_destroy(DCC(dcc));
			autoallow = TRUE;
		} else if (!dcc_is_passive(dcc)) {
			/* we already have one dcc chat request
			   from this nick, remove it. */
			dcc_destroy(DCC(dcc));
		} else if (passive) {
			if (dcc->pasv_id != atoi(params[3])) {
				/* IDs don't match! */
				dcc_destroy(DCC(dcc));
			} else {
				/* IDs are ok! Update address and port and
				   connect! */
				dcc->target = g_strdup(target);
				dcc->port = atoi(params[2]);
				dcc_str2ip(params[1], &dcc->addr);
				net_ip2host(&dcc->addr, dcc->addrstr);

				dcc_chat_connect(dcc);
				g_strfreev(params);
				return;
			}
		}
	}

	dcc = dcc_chat_create(server, chat, nick, params[0]);
	if (dcc == NULL) {
		g_strfreev(params);
		g_warn_if_reached();
		return;
	}
	dcc->target = g_strdup(target);
	dcc->port = atoi(params[2]);

	if (passive)
		dcc->pasv_id = atoi(params[3]);

	dcc_str2ip(params[1], &dcc->addr);
	net_ip2host(&dcc->addr, dcc->addrstr);

	signal_emit("dcc request", 2, dcc, addr);

	if (autoallow || DCC_CHAT_AUTOACCEPT(dcc, server, nick, addr)) {
		if (passive) {
			/* Passive DCC... let's set up a listening socket
			   and send reply back */
			dcc_chat_passive(dcc);
		} else {
			dcc_chat_connect(dcc);
		}
	}
	g_strfreev(params);
}
コード例 #3
0
ファイル: dcc-chat.c プロジェクト: irssi/irssi
/* SYNTAX: DCC CHAT [-passive] [<nick>] */
static void cmd_dcc_chat(const char *data, IRC_SERVER_REC *server)
{
	void *free_arg;
	CHAT_DCC_REC *dcc;
	IPADDR own_ip;
	GIOChannel *handle;
	GHashTable *optlist;
	int p_id;
	char *nick, host[MAX_IP_LEN];
	int port;

	g_return_if_fail(data != NULL);

	if (!cmd_get_params(data, &free_arg, 1 | PARAM_FLAG_OPTIONS,
			    "dcc chat", &optlist, &nick))
		return;

	if (*nick == '\0') {
		dcc = DCC_CHAT(dcc_find_request_latest(DCC_CHAT_TYPE));
		if (dcc != NULL) {
			if (!dcc_is_passive(dcc))
				dcc_chat_connect(dcc);
			else
				dcc_chat_passive(dcc);
		}
		cmd_params_free(free_arg);
		return;
	}

	dcc = dcc_chat_find_id(nick);
	if (dcc != NULL && dcc_is_waiting_user(dcc)) {
		if (!dcc_is_passive(dcc)) {
			/* found from dcc chat requests,
			   we're the connecting side */
			dcc_chat_connect(dcc);
		} else {
			/* We are accepting a passive DCC CHAT. */
			dcc_chat_passive(dcc);
		}
		cmd_params_free(free_arg);
		return;
	}

	if (dcc != NULL && dcc_is_listening(dcc) &&
	    dcc->server == server) {
		/* sending request again even while old request is
		   still waiting, remove it. */
		dcc_destroy(DCC(dcc));
	}

	if (!IS_IRC_SERVER(server) || !server->connected)
		cmd_param_error(CMDERR_NOT_CONNECTED);

	dcc = dcc_chat_create(server, NULL, nick, "chat");
	if (dcc == NULL) {
		cmd_params_free(free_arg);
		g_warn_if_reached();
		return;
	}

	if (g_hash_table_lookup(optlist, "passive") == NULL) {
		/* Standard DCC CHAT... let's listen for incoming connections */
		handle = dcc_listen(net_sendbuffer_handle(server->handle),
				    &own_ip, &port);
		if (handle == NULL)
			cmd_param_error(CMDERR_ERRNO);

		dcc->handle = handle;
		dcc->tagconn =
			g_input_add(dcc->handle, G_INPUT_READ,
				    (GInputFunction) dcc_chat_listen, dcc);

		/* send the chat request */
		signal_emit("dcc request send", 1, dcc);

		dcc_ip2str(&own_ip, host);
		irc_send_cmdv(server, "PRIVMSG %s :\001DCC CHAT CHAT %s %d\001",
			      nick, host, port);
	} else {
		/* Passive protocol... we want the other side to listen */
		/* send the chat request */
		dcc->port = 0;
		signal_emit("dcc request send", 1, dcc);

		/* generate a random id */
		p_id = rand() % 64;
		dcc->pasv_id = p_id;

		/* 16843009 is the long format of 1.1.1.1, we use a fake IP
		   since the other side shouldn't care of it: they will send
		   the address for us to connect to in the reply */
		irc_send_cmdv(server,
			      "PRIVMSG %s :\001DCC CHAT CHAT 16843009 0 %d\001",
			      nick, p_id);
	}
	cmd_params_free(free_arg);
}