Пример #1
0
void hub_set_variables(struct hub_info* hub, struct acl_handle* acl)
{
	char* tmp;
	char* server = adc_msg_escape(PRODUCT_STRING); /* FIXME: OOM */

	hub->acl = acl;
	hub->command_info = adc_msg_construct(ADC_CMD_IINF, 15);
	if (hub->command_info)
	{
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_CLIENT_TYPE, ADC_CLIENT_TYPE_HUB);
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_USER_AGENT_PRODUCT, PRODUCT);
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_USER_AGENT_VERSION, GIT_VERSION);

		tmp = adc_msg_escape(hub->config->hub_name);
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_NICK, tmp);
		hub_free(tmp);

		tmp = adc_msg_escape(hub->config->hub_description);
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_DESCRIPTION, tmp);
		hub_free(tmp);
	}

	hub->command_support = adc_msg_construct(ADC_CMD_ISUP, 6 + strlen(ADC_PROTO_SUPPORT));
	if (hub->command_support)
	{
		adc_msg_add_argument(hub->command_support, ADC_PROTO_SUPPORT);
	}

	hub->command_banner = adc_msg_construct(ADC_CMD_ISTA, 100 + strlen(server));
	if (hub->command_banner)
	{
		if (hub->config->show_banner_sys_info)
			tmp = adc_msg_escape("Powered by " PRODUCT_STRING " on " OPSYS "/" CPUINFO);
		else
			tmp = adc_msg_escape("Powered by " PRODUCT_STRING);
		adc_msg_add_argument(hub->command_banner, "000");
		adc_msg_add_argument(hub->command_banner, tmp);
		hub_free(tmp);
	}

	if (hub_plugins_load(hub) < 0)
	{
		LOG_FATAL("Unable to load plugins.");
		hub->status = hub_status_shutdown;
	}
	else

	hub->status = (hub->config->hub_enabled ? hub_status_running : hub_status_disabled);
	hub_free(server);
}
Пример #2
0
void hub_send_password_challenge(struct hub_info* hub, struct hub_user* u)
{
	struct adc_message* igpa;
	igpa = adc_msg_construct(ADC_CMD_IGPA, 38);
	adc_msg_add_argument(igpa, acl_password_generate_challenge(hub, u));
	user_set_state(u, state_verify);
	route_to_user(hub, u, igpa);
	adc_msg_free(igpa);
}
Пример #3
0
void hub_send_ping(struct hub_info* hub, struct hub_user* user)
{
	/* This will just send a newline, despite appearing to do more below. */
	struct adc_message* ping = adc_msg_construct(0, 0);
	ping->cache[0]     = '\n';
	ping->cache[1]     = 0;
	ping->length       = 1;
	ping->priority     = 1;
	route_to_user(hub, user, ping);
	adc_msg_free(ping);
}
Пример #4
0
void uman_send_quit_message(struct hub_info* hub, struct hub_user* leaving)
{
	struct adc_message* command = adc_msg_construct(ADC_CMD_IQUI, 6);
	adc_msg_add_argument(command, (const char*) sid_to_string(leaving->id.sid));

	if (leaving->quit_reason == quit_banned || leaving->quit_reason == quit_kicked)
	{
		adc_msg_add_argument(command, ADC_QUI_FLAG_DISCONNECT);
	}
	route_to_all(hub, command);
	adc_msg_free(command);
}
Пример #5
0
Файл: hub.c Проект: q3k/uhub
void hub_send_sid(struct hub_info* hub, struct hub_user* u)
{
	sid_t sid;
	struct adc_message* command;
	if (user_is_connecting(u))
	{
		command = adc_msg_construct(ADC_CMD_ISID, 10);
		sid = uman_get_free_sid(hub, u);
		adc_msg_add_argument(command, (const char*) sid_to_string(sid));
		route_to_user(hub, u, command);
		adc_msg_free(command);
	}
}
Пример #6
0
void hub_send_flood_warning(struct hub_info* hub, struct hub_user* u, const char* message)
{
	struct adc_message* msg;
	char* tmp;

	if (user_flag_get(u, flag_flood))
		return;

	msg = adc_msg_construct(ADC_CMD_ISTA, 128);
	if (msg)
	{
		tmp = adc_msg_escape(message);
		adc_msg_add_argument(msg, "110");
		adc_msg_add_argument(msg, tmp);
		hub_free(tmp);

		route_to_user(hub, u, msg);
		user_flag_set(u, flag_flood);
		adc_msg_free(msg);
	}
}
Пример #7
0
/**
 * @param hub The hub instance this message is sent from.
 * @param user The user this message is sent to.
 * @param msg See enum status_message
 * @param level See enum status_level
 */
void hub_send_status(struct hub_info* hub, struct hub_user* user, enum status_message msg, enum msg_status_level level)
{
	struct hub_config* cfg = hub->config;
	struct adc_message* cmd = adc_msg_construct(ADC_CMD_ISTA, 6);
	struct adc_message* qui = adc_msg_construct(ADC_CMD_IQUI, 512);
	char code[4];
	char buf[256];
	const char* text = 0;
	const char* flag = 0;
	char* escaped_text = 0;
	int reconnect_time = 0;
	int redirect = 0;

	if (!cmd || !qui)
	{
		adc_msg_free(cmd);
		adc_msg_free(qui);
		return;
	}

#define STATUS(CODE, MSG, FLAG, RCONTIME, REDIRECT) case status_ ## MSG : set_status_code(level, CODE, code); text = cfg->MSG; flag = FLAG; reconnect_time = RCONTIME; redirect = REDIRECT; break
	switch (msg)
	{
		STATUS(11, msg_hub_full, 0, 600, 1); /* FIXME: Proper timeout? */
		STATUS(12, msg_hub_disabled, 0, -1, 1);
		STATUS(26, msg_hub_registered_users_only, 0, 0, 1);
		STATUS(43, msg_inf_error_nick_missing, 0, 0, 0);
		STATUS(43, msg_inf_error_nick_multiple, 0, 0, 0);
		STATUS(21, msg_inf_error_nick_invalid, 0, 0, 0);
		STATUS(21, msg_inf_error_nick_long, 0, 0, 0);
		STATUS(21, msg_inf_error_nick_short, 0, 0, 0);
		STATUS(21, msg_inf_error_nick_spaces, 0, 0, 0);
		STATUS(21, msg_inf_error_nick_bad_chars, 0, 0, 0);
		STATUS(21, msg_inf_error_nick_not_utf8, 0, 0, 0);
		STATUS(22, msg_inf_error_nick_taken, 0, 0, 0);
		STATUS(21, msg_inf_error_nick_restricted, 0, 0, 0);
		STATUS(43, msg_inf_error_cid_invalid, "FBID", 0, 0);
		STATUS(43, msg_inf_error_cid_missing, "FMID", 0, 0);
		STATUS(24, msg_inf_error_cid_taken, 0, 0, 0);
		STATUS(43, msg_inf_error_pid_missing, "FMPD", 0, 0);
		STATUS(27, msg_inf_error_pid_invalid, "FBPD", 0, 0);
		STATUS(31, msg_ban_permanently, 0, 0, 0);
		STATUS(32, msg_ban_temporarily, "TL600", 600, 0); /* FIXME: Proper timeout? */
		STATUS(23, msg_auth_invalid_password, 0, 0, 0);
		STATUS(20, msg_auth_user_not_found, 0, 0, 0);
		STATUS(30, msg_error_no_memory, 0, 0, 0);
		STATUS(43, msg_user_share_size_low,   "FB" ADC_INF_FLAG_SHARED_SIZE, 0, 1);
		STATUS(43, msg_user_share_size_high,  "FB" ADC_INF_FLAG_SHARED_SIZE, 0, 1);
		STATUS(43, msg_user_slots_low,        "FB" ADC_INF_FLAG_UPLOAD_SLOTS, 0, 1);
		STATUS(43, msg_user_slots_high,       "FB" ADC_INF_FLAG_UPLOAD_SLOTS, 0, 1);
		STATUS(43, msg_user_hub_limit_low, 0, 0, 1);
		STATUS(43, msg_user_hub_limit_high, 0, 0, 1);
		STATUS(47, msg_proto_no_common_hash, 0, -1, 1);
		STATUS(40, msg_proto_obsolete_adc0, 0, -1, 1);
	}
#undef STATUS

	escaped_text = adc_msg_escape(text);

	adc_msg_add_argument(cmd, code);
	adc_msg_add_argument(cmd, escaped_text);

	if (flag)
	{
		adc_msg_add_argument(cmd, flag);
	}

	route_to_user(hub, user, cmd);

	if (level >= status_level_fatal)
	{
		adc_msg_add_argument(qui, sid_to_string(user->id.sid));

		snprintf(buf, 230, "MS%s", escaped_text);
		adc_msg_add_argument(qui, buf);

		if (reconnect_time != 0)
		{
			snprintf(buf, 10, "TL%d", reconnect_time);
			adc_msg_add_argument(qui, buf);
		}

		if (redirect && *hub->config->redirect_addr)
		{
			snprintf(buf, 255, "RD%s", hub->config->redirect_addr);
			adc_msg_add_argument(qui, buf);
		}
		route_to_user(hub, user, qui);
	}

	hub_free(escaped_text);
	adc_msg_free(cmd);
	adc_msg_free(qui);
}
Пример #8
0
int hub_handle_support(struct hub_info* hub, struct hub_user* u, struct adc_message* cmd)
{
	int ret = 0;
	int index = 0;
	int ok = 1;
	char* arg = adc_msg_get_argument(cmd, index);

	if (hub->status == hub_status_disabled && u->state == state_protocol)
	{
		on_login_failure(hub, u, status_msg_hub_disabled);
		hub_free(arg);
		return -1;
	}

	while (arg)
	{
		if (strlen(arg) == 6)
		{
			fourcc_t fourcc = FOURCC(arg[2], arg[3], arg[4], arg[5]);
			if (strncmp(arg, ADC_SUP_FLAG_ADD, 2) == 0)
			{
				user_support_add(u, fourcc);
			}
			else if (strncmp(arg, ADC_SUP_FLAG_REMOVE, 2) == 0)
			{
				user_support_remove(u, fourcc);
			}
			else
			{
				ok = 0;
			}
		}
		else
		{
			ok = 0;
		}

		index++;
		hub_free(arg);
		arg = adc_msg_get_argument(cmd, index);
	}

	if (u->state == state_protocol)
	{
		if (index == 0) ok = 0; /* Need to support *SOMETHING*, at least BASE */
		if (!ok)
		{
			/* disconnect user. Do not send crap during initial handshake! */
			hub_disconnect_user(hub, u, quit_logon_error);
			return -1;
		}

		if (user_flag_get(u, feature_base))
		{
			/* User supports ADC/1.0 and a hash we know */
			if (user_flag_get(u, feature_tiger))
			{
				hub_send_handshake(hub, u);
				/* TODO: timeouts for mux users */
				if (u->connection)
					net_con_set_timeout(u->connection, TIMEOUT_HANDSHAKE);
			}
			else
			{
				// no common hash algorithm.
				hub_send_status(hub, u, status_msg_proto_no_common_hash, status_level_fatal);
				hub_disconnect_user(hub, u, quit_protocol_error);
			}
		}
		else if (user_flag_get(u, feature_bas0))
		{
			if (hub->config->obsolete_clients)
			{
				hub_send_handshake(hub, u);
				/* TODO: timeouts for mux users */
				if (u->connection)
					net_con_set_timeout(u->connection, TIMEOUT_HANDSHAKE);
			}
			else
			{
				/* disconnect user for using an obsolete client. */
				char* tmp = adc_msg_escape(hub->config->msg_proto_obsolete_adc0);
				struct adc_message* message = adc_msg_construct(ADC_CMD_IMSG, 6 + strlen(tmp));
				adc_msg_add_argument(message, tmp);
				hub_free(tmp);
				route_to_user(hub, u, message);
				adc_msg_free(message);
				hub_disconnect_user(hub, u, quit_protocol_error);
			}
		}
		else
		{
			/* Not speaking a compatible protocol - just disconnect. */
			hub_disconnect_user(hub, u, quit_logon_error);
		}
	}

	return ret;
}
Пример #9
0
Файл: hub.c Проект: q3k/uhub
void hub_set_variables(struct hub_info* hub, struct acl_handle* acl)
{
	int fd, ret;
	char buf[MAX_RECV_BUF];
	char* tmp;
	char* server = adc_msg_escape(PRODUCT_STRING); /* FIXME: OOM */

	hub->acl = acl;
	hub->command_info = adc_msg_construct(ADC_CMD_IINF, 15);
	if (hub->command_info)
	{
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_CLIENT_TYPE, ADC_CLIENT_TYPE_HUB);
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_USER_AGENT, server);

		tmp = adc_msg_escape(hub->config->hub_name);
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_NICK, tmp);
		hub_free(tmp);

		tmp = adc_msg_escape(hub->config->hub_description);
		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_DESCRIPTION, tmp);
		hub_free(tmp);
	}

	/* (Re-)read the message of the day */
	hub->command_motd = 0;
	fd = (hub->config->file_motd && *hub->config->file_motd) ? open(hub->config->file_motd, 0) : -1;
	if (fd != -1)
	{
		ret = read(fd, buf, MAX_RECV_BUF);
		if (ret > 0)
		{
			buf[ret] = 0;
			tmp = adc_msg_escape(buf);
			hub->command_motd = adc_msg_construct(ADC_CMD_IMSG, 6 + strlen(tmp));
			adc_msg_add_argument(hub->command_motd, tmp);
			hub_free(tmp);
		}
		close(fd);
	}

	hub->command_rules = 0;
	fd = (hub->config->file_rules && *hub->config->file_rules) ? open(hub->config->file_rules, 0) : -1;
	if (fd != -1)
	{
		ret = read(fd, buf, MAX_RECV_BUF);
		if (ret > 0)
		{
			buf[ret] = 0;
			tmp = adc_msg_escape(buf);
			hub->command_rules = adc_msg_construct(ADC_CMD_IMSG, 6 + strlen(tmp));
			adc_msg_add_argument(hub->command_rules, tmp);
			hub_free(tmp);
		}
		close(fd);
	}

	hub->command_support = adc_msg_construct(ADC_CMD_ISUP, 6 + strlen(ADC_PROTO_SUPPORT));
	if (hub->command_support)
	{
		adc_msg_add_argument(hub->command_support, ADC_PROTO_SUPPORT);
	}

	hub->command_banner = adc_msg_construct(ADC_CMD_ISTA, 100 + strlen(server));
	if (hub->command_banner)
	{
		if (hub->config->show_banner_sys_info)
			tmp = adc_msg_escape("Powered by " PRODUCT_STRING " on " OPSYS "/" CPUINFO);
		else
			tmp = adc_msg_escape("Powered by " PRODUCT_STRING);
		adc_msg_add_argument(hub->command_banner, "000");
		adc_msg_add_argument(hub->command_banner, tmp);
		hub_free(tmp);
	}

#ifdef PLUGIN_SUPPORT
	hub_plugins_load(hub);
#endif

	hub->status = (hub->config->hub_enabled ? hub_status_running : hub_status_disabled);
	hub_free(server);
}