sbin/natd/natd.c

74 static struct instance *mip;
195 	LIST_FOREACH(mip, &root, list) {
196 		mla = mip->la;
201 		if (mip->aliasAddr.s_addr == INADDR_NONE && mip->ifName == NULL &&
203 			errx (1, "instance %s: aliasing address not given", mip->name);
205 		if (mip->aliasAddr.s_addr != INADDR_NONE && mip->ifName != NULL)
211 		if (mip->inPort != 0 || mip->outPort != 0)
212 			if (mip->inPort == 0 || mip->outPort == 0)
215 		if (mip->inPort == 0 && mip->outPort == 0 && mip->inOutPort == 0)
221 		mip->dropIgnoredIncoming = LibAliasSetMode (mla, 0, 0);
222 		mip->dropIgnoredIncoming &= PKT_ALIAS_DENY_INCOMING;
228 		if (mip->inOutPort) {
230 			mip->divertInOut = socket (PF_INET, SOCK_RAW, IPPROTO_DIVERT);
231 			if (mip->divertInOut == -1)
233 			if (mip->divertInOut > fdMax)
234 				fdMax = mip->divertInOut;
236 			mip->divertIn  = -1;
237 			mip->divertOut = -1;
244 			addr.sin_port		= mip->inOutPort;
246 			if (bind (mip->divertInOut,
253 			mip->divertIn = socket (PF_INET, SOCK_RAW, IPPROTO_DIVERT);
254 			if (mip->divertIn == -1)
256 			if (mip->divertIn > fdMax)
257 				fdMax = mip->divertIn;
260 			mip->divertOut = socket (PF_INET, SOCK_RAW, IPPROTO_DIVERT);
261 			if (mip->divertOut == -1)
263 			if (mip->divertOut > fdMax)
264 				fdMax = mip->divertOut;
266 			mip->divertInOut = -1;
274 			addr.sin_port		= mip->inPort;
276 			if (bind (mip->divertIn,
283 			addr.sin_port		= mip->outPort;
285 			if (bind (mip->divertOut,
293 		if (mip->ifName) {
303 				mip->assignAliasAddr = 1;
307 					rval = SetAliasAddressFromIfName (mip->ifName);
372 	mip = LIST_FIRST(&root);	/* XXX: simon */
373 	LIST_FOREACH(mip, &root, list) {
374 		mla = mip->la;
375 		if (mip->aliasAddr.s_addr != INADDR_NONE)
376 			LibAliasSetAddress (mla, mip->aliasAddr);
380 		mip = LIST_FIRST(&root);	/* XXX: simon */
382 		if (mip->divertInOut != -1 && !mip->ifName && ninstance == 1) {
387 			DoAliasing (mip->divertInOut, DONT_KNOW);
397 		LIST_FOREACH(mip, &root, list) {
398 			if (mip->divertIn != -1)
399 				FD_SET (mip->divertIn, &readMask);
401 			if (mip->divertOut != -1)
402 				FD_SET (mip->divertOut, &readMask);
404 			if (mip->divertInOut != -1)
405 				FD_SET (mip->divertInOut, &readMask);
431 		LIST_FOREACH(mip, &root, list) {
432 			mla = mip->la;
433 			if (mip->divertIn != -1)
434 				if (FD_ISSET (mip->divertIn, &readMask))
435 					DoAliasing (mip->divertIn, INPUT);
437 			if (mip->divertOut != -1)
438 				if (FD_ISSET (mip->divertOut, &readMask))
439 					DoAliasing (mip->divertOut, OUTPUT);
441 			if (mip->divertInOut != -1)
442 				if (FD_ISSET (mip->divertInOut, &readMask))
443 					DoAliasing (mip->divertInOut, DONT_KNOW);
543 	if (mip->assignAliasAddr) {
544 		if (SetAliasAddressFromIfName (mip->ifName) != 0)
546 		mip->assignAliasAddr = 0;
583 	LIST_FOREACH(mip, &root, list) {
584 		mla = mip->la;
595 	if (mip != NULL && bytes - origBytes > mip->aliasOverhead)
596 		mip->aliasOverhead = bytes - origBytes;
621 		if (errno == EMSGSIZE && mip != NULL) {
623 			if (mip->ifMTU != -1)
626 						  mip->ifMTU - mip->aliasOverhead);
650 	if (mip->assignAliasAddr) {
652 			rval = SetAliasAddressFromIfName (mip->ifName);
660 		mip->assignAliasAddr = 0;
697 			printf ("{%s}", mip->name);
735 		    mip->dropIgnoredIncoming) {
740 			if (mip->logDropped)
754 	    bytes - origBytes > mip->aliasOverhead)
755 		mip->aliasOverhead = bytes - origBytes;
783 			    mip->ifMTU != -1)
786 						  mip->ifMTU - mip->aliasOverhead);
820 		LIST_FOREACH(mip, &root, list) {
821 			mla = mip->la;
822 			if (ifMsg.ifm_index == mip->ifIndex) {
825 				mip->assignAliasAddr = 1;
922 	mip->ifIndex	= 0;
937 				mip->ifIndex = ifm->ifm_index;
938 				mip->ifMTU = ifm->ifm_data.ifi_mtu;
943 	if (!mip->ifIndex)
981 	       inet_ntoa(sin->sin_addr), mip->ifMTU);
1005 	if (mip != NULL && mip->ifName != NULL)
1006 		mip->assignAliasAddr = 1;
1429 		mip->inPort = uNumValue;
1433 		mip->outPort = uNumValue;
1437 		mip->inOutPort = uNumValue;
1445 		memcpy (&mip->aliasAddr, &addrValue, sizeof (struct in_addr));
1469 		if (mip->ifName)
1470 			free (mip->ifName);
1472 		mip->ifName = strdup (strValue);
1480 		mip->logDropped = yesNoValue;
2004 			mip = ip;
2023 	mip = ip;