Ejemplo n.º 1
0
PUBLIC void main()
{
	mq_t *mq;
	int r;
	int source, timerand, fd;
	struct fssignon device;
#ifdef __minix_vmd
	struct systaskinfo info;
#endif
	u8_t randbits[32];
	struct timeval tv;

#if DEBUG
	printf("Starting inet...\n");
	printf("%s\n", version);
#endif

	/* Read configuration. */
	nw_conf();

	/* Get a random number */
	timerand= 1;
	fd= open(RANDOM_DEV_NAME, O_RDONLY | O_NONBLOCK);
	if (fd != -1)
	{
		r= read(fd, randbits, sizeof(randbits));
		if (r == sizeof(randbits))
			timerand= 0;
		else
		{
			printf("unable to read random data from %s: %s\n",
				RANDOM_DEV_NAME, r == -1 ? strerror(errno) :
				r == 0 ? "EOF" : "not enough data");
		}
		close(fd);
	}
	else
	{
		printf("unable to open random device %s: %s\n",
			RANDOM_DEV_NAME, strerror(errno));
	}
	if (timerand)
	{
		printf("using current time for random-number seed\n");
#ifdef __minix_vmd
		r= sysutime(UTIME_TIMEOFDAY, &tv);
#else /* Minix 3 */
		r= gettimeofday(&tv, NULL);
#endif
		if (r == -1)
		{
			printf("sysutime failed: %s\n", strerror(errno));
			exit(1);
		}
		memcpy(randbits, &tv, sizeof(tv));
	}
	init_rand256(randbits);

#ifdef __minix_vmd
	if (svrctl(SYSSIGNON, (void *) &info) == -1) pause();

	/* Our new identity as a server. */
	this_proc = info.proc_nr;
#else /* Minix 3 */

	/* Our new identity as a server. */
	if ((this_proc = getprocnr()) < 0)
		ip_panic(( "unable to get own process nr\n"));
#endif

	/* Register the device group. */
	device.dev= ip_dev;
	device.style= STYLE_CLONE;
	if (svrctl(FSSIGNON, (void *) &device) == -1) {
		printf("inet: error %d on registering ethernet devices\n",
			errno);
		pause();
	}

#ifdef BUF_CONSISTENCY_CHECK
	inet_buf_debug= (getenv("inetbufdebug") && 
		(strcmp(getenv("inetbufdebug"), "on") == 0));
	inet_buf_debug= 100;
	if (inet_buf_debug)
	{
		ip_warning(( "buffer consistency check enabled" ));
	}
#endif

	if (getenv("killerinet"))
	{
		ip_warning(( "killer inet active" ));
		killer_inet= 1;
	}

#ifdef __minix_vmd
	r= sys_findproc(SYN_AL_NAME, &synal_tasknr, 0);
	if (r != OK)
		ip_panic(( "unable to find synchronous alarm task: %d\n", r ));
#endif

	nw_init();
	while (TRUE)
	{
#ifdef BUF_CONSISTENCY_CHECK
		if (inet_buf_debug)
		{
			static int buf_debug_count= 0;

			if (++buf_debug_count >= inet_buf_debug)
			{
				buf_debug_count= 0;
				if (!bf_consistency_check())
					break;
			}
		}
#endif
		if (ev_head)
		{
			ev_process();
			continue;
		}
		if (clck_call_expire)
		{
			clck_expire_timers();
			continue;
		}
		mq= mq_get();
		if (!mq)
			ip_panic(("out of messages"));

		r= receive (ANY, &mq->mq_mess);
		if (r<0)
		{
			ip_panic(("unable to receive: %d", r));
		}
		reset_time();
		source= mq->mq_mess.m_source;
		if (source == FS_PROC_NR)
		{
			sr_rec(mq);
		}
#ifdef __minix_vmd
		else if (source == synal_tasknr)
		{
			clck_tick (&mq->mq_mess);
			mq_free(mq);
		}
#else /* Minix 3 */
		else if (mq->mq_mess.m_type == SYN_ALARM)
		{
			clck_tick(&mq->mq_mess);
			mq_free(mq);
		} 
		else if (mq->mq_mess.m_type == SYS_SIG)
		{
			/* signaled */ 
			/* probably SIGTERM */
			mq_free(mq);
		} 
		else if (mq->mq_mess.m_type & NOTIFY_MESSAGE)
		{
			/* A driver is (re)started. */
			eth_check_drivers(&mq->mq_mess);
			mq_free(mq);
		}
#endif
		else
		{
compare(mq->mq_mess.m_type, ==, DL_TASK_REPLY);
			eth_rec(&mq->mq_mess);
			mq_free(mq);
		}
	}
	ip_panic(("task is not allowed to terminate"));
}
Ejemplo n.º 2
0
static int sef_cb_init_fresh(__unused int type, __unused sef_init_info_t *info)
{
	int err;
	unsigned int hz;

	nic_init_all();
	inet_read_conf();

	/* init lwip library */
	stats_init();
	sys_init();
	mem_init();
	memp_init();
	pbuf_init();

	hz = sys_hz();

	arp_ticks = ARP_TMR_INTERVAL / (1000 / hz);
	tcp_fticks = TCP_FAST_INTERVAL / (1000 / hz);
	tcp_sticks = TCP_SLOW_INTERVAL / (1000 / hz);

	etharp_init();
	
	set_timer(&arp_tmr, arp_ticks, arp_watchdog, 0);
	set_timer(&tcp_ftmr, tcp_fticks, tcp_fwatchdog, 0);
	set_timer(&tcp_stmr, tcp_sticks, tcp_swatchdog, 0);
	
	netif_init();
	netif_lo = netif_find(__UNCONST("lo0"));

	/* Read configuration. */
#if 0
	nw_conf();

	/* Get a random number */
	timerand= 1;
	fd = open(RANDOM_DEV_NAME, O_RDONLY | O_NONBLOCK);
	if (fd != -1)
	{
		err= read(fd, randbits, sizeof(randbits));
		if (err == sizeof(randbits))
			timerand= 0;
		else
		{
			printf("inet: unable to read random data from %s: %s\n",
				RANDOM_DEV_NAME, err == -1 ? strerror(errno) :
				err == 0 ? "EOF" : "not enough data");
		}
		close(fd);
	}
	else
	{
		printf("inet: unable to open random device %s: %s\n",
				RANDOM_DEV_NAME, strerror(errno));
	}
	if (timerand)
	{
		printf("inet: using current time for random-number seed\n");
		err= gettimeofday(&tv, NULL);
		if (err == -1)
		{
			printf("sysutime failed: %s\n", strerror(errno));
			exit(1);
		}
		memcpy(randbits, &tv, sizeof(tv));
	}
	init_rand256(randbits);
#endif

	/* Subscribe to driver events for network drivers. */
	if ((err = ds_subscribe("drv\\.net\\..*",
					DSF_INITIAL | DSF_OVERWRITE)) != OK)
		panic(("inet: can't subscribe to driver events"));

	/* Announce we are up. LWIP announces its presence to VFS just like
	 * any other character driver.
	 */
	chardriver_announce();

	return(OK);
}
Ejemplo n.º 3
0
void main(void)
{
	mq_t *mq;
	int r;
	int source, m_type, timerand, fd;
	u32_t tasknr;
	struct fssignon device;
	u8_t randbits[32];
	struct timeval tv;

#if DEBUG
	printk("Starting inet...\n");
	printk("%s\n", version);
#endif

#if HZ_DYNAMIC
	system_hz = sys_hz();
#endif

	/* Read configuration. */
	nw_conf();

	/* Get a random number */
	timerand= 1;
	fd= open(RANDOM_DEV_NAME, O_RDONLY | O_NONBLOCK);
	if (fd != -1)
	{
		r= read(fd, randbits, sizeof(randbits));
		if (r == sizeof(randbits))
			timerand= 0;
		else
		{
			printk("inet: unable to read random data from %s: %s\n",
				RANDOM_DEV_NAME, r == -1 ? strerror(errno) :
				r == 0 ? "EOF" : "not enough data");
		}
		close(fd);
	}
	else
	{
		printk("inet: unable to open random device %s: %s\n",
			RANDOM_DEV_NAME, strerror(errno));
	}
	if (timerand)
	{
		printk("inet: using current time for random-number seed\n");
		r= gettimeofday(&tv, NULL);
		if (r == -1)
		{
			printk("sysutime failed: %s\n", strerror(errno));
			exit(1);
		}
		memcpy(randbits, &tv, sizeof(tv));
	}
	init_rand256(randbits);

	/* Our new identity as a server. */
	r= ds_retrieve_u32("inet", &tasknr);
	if (r != 0)
		ip_panic(("inet: ds_retrieve_u32 failed for 'inet': %d", r));
	this_proc= tasknr;

	/* Register the device group. */
	device.dev= ip_dev;
	device.style= STYLE_CLONE;
	if (svrctl(FSSIGNON, (void *) &device) == -1) {
		printk("inet: error %d on registering ethernet devices\n",
			errno);
		pause();
	}

#ifdef BUF_CONSISTENCY_CHECK
	inet_buf_debug= (getenv("inetbufdebug") && 
		(strcmp(getenv("inetbufdebug"), "on") == 0));
	inet_buf_debug= 100;
	if (inet_buf_debug)
	{
		ip_warning(( "buffer consistency check enabled" ));
	}
#endif

	if (getenv("killerinet"))
	{
		ip_warning(( "killer inet active" ));
		killer_inet= 1;
	}

	nw_init();
	while (TRUE)
	{
#ifdef BUF_CONSISTENCY_CHECK
		if (inet_buf_debug)
		{
			static int buf_debug_count= 0;

			if (++buf_debug_count >= inet_buf_debug)
			{
				buf_debug_count= 0;
				if (!bf_consistency_check())
					break;
			}
		}
#endif
		if (ev_head)
		{
			ev_process();
			continue;
		}
		if (clck_call_expire)
		{
			clck_expire_timers();
			continue;
		}
		mq= mq_get();
		if (!mq)
			ip_panic(("out of messages"));

		r = kipc_module_call(KIPC_RECEIVE, 0, ENDPT_ANY, &mq->mq_mess);
		if (r<0)
		{
			ip_panic(("unable to receive: %d", r));
		}
		reset_time();
		source= mq->mq_mess.m_source;
		m_type= mq->mq_mess.m_type;

		if (source == VFS_PROC_NR) {
			sr_rec(mq);
		} else if (is_notify(m_type)) {
			if (_ENDPOINT_P(source) == CLOCK) {
				clck_tick(&mq->mq_mess);
				mq_free(mq);
			} else if (_ENDPOINT_P(source) == PM_PROC_NR) {
				/* signaled */
				/* probably SIGTERM */
				mq_free(mq);
			} else {
				/* A driver is (re)started. */
				eth_check_drivers(&mq->mq_mess);
				mq_free(mq);
			}
		} else if (m_type == DL_CONF_REPLY || m_type == DL_TASK_REPLY ||
			m_type == DL_NAME_REPLY || m_type == DL_STAT_REPLY) {
			eth_rec(&mq->mq_mess);
			mq_free(mq);
		} else {
			printk("inet: got bad message type 0x%x from %d\n",
				mq->mq_mess.m_type, mq->mq_mess.m_source);
			mq_free(mq);
		}
	}
	ip_panic(("task is not allowed to terminate"));
}
Ejemplo n.º 4
0
/*===========================================================================*
 *		            sef_cb_init_fresh                                *
 *===========================================================================*/
PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
{
/* Initialize the inet server. */
	int r;
	int timerand, fd;
	u8_t randbits[32];
	struct timeval tv;
	struct passwd *pw;

#if DEBUG
	printf("Starting inet...\n");
	printf("%s\n", version);
#endif

#if HZ_DYNAMIC
	system_hz = sys_hz();
#endif

	/* Read configuration. */
	nw_conf();

	/* Get a random number */
	timerand= 1;
	fd= open(RANDOM_DEV_NAME, O_RDONLY | O_NONBLOCK);
	if (fd != -1)
	{
		r= read(fd, randbits, sizeof(randbits));
		if (r == sizeof(randbits))
			timerand= 0;
		else
		{
			printf("inet: unable to read random data from %s: %s\n",
				RANDOM_DEV_NAME, r == -1 ? strerror(errno) :
				r == 0 ? "EOF" : "not enough data");
		}
		close(fd);
	}
	else
	{
		printf("inet: unable to open random device %s: %s\n",
			RANDOM_DEV_NAME, strerror(errno));
	}
	if (timerand)
	{
		printf("inet: using current time for random-number seed\n");
		r= gettimeofday(&tv, NULL);
		if (r == -1)
		{
			printf("sysutime failed: %s\n", strerror(errno));
			exit(1);
		}
		memcpy(randbits, &tv, sizeof(tv));
	}
	init_rand256(randbits);

	/* Our new identity as a server. */
	this_proc= info->endpoint;

#ifdef BUF_CONSISTENCY_CHECK
	inet_buf_debug= (getenv("inetbufdebug") && 
		(strcmp(getenv("inetbufdebug"), "on") == 0));
	inet_buf_debug= 100;
	if (inet_buf_debug)
	{
		ip_warning(( "buffer consistency check enabled" ));
	}
#endif

	if (getenv("killerinet"))
	{
		ip_warning(( "killer inet active" ));
		killer_inet= 1;
	}

	nw_init();

	/* Subscribe to driver events for network drivers. */
	r = ds_subscribe("drv\\.net\\..*", DSF_INITIAL | DSF_OVERWRITE);
	if(r != OK) {
		ip_panic(("inet: can't subscribe to driver events"));
	}

	/* Drop root privileges */
	if ((pw = getpwnam(SERVICE_LOGIN)) == NULL) {
		printf("inet: unable to retrieve uid of SERVICE_LOGIN, "
			"still running as root");
	} else if (setuid(pw->pw_uid) != 0) {
		ip_panic(("inet: unable to drop privileges"));
	}

	/* Announce we are up. INET announces its presence to VFS just like
	 * any other character driver.
	 */
	chardriver_announce();

	return(OK);
}