429 static void nfsrvd_compound(struct nfsrv_descript *nd, int isdgram,
539 nfsrvd_dorpc(struct nfsrv_descript *nd, int isdgram, u_char *tag, int taglen,  in nfsrvd_dorpc()  argument
555 	md = nd->nd_md;  in nfsrvd_dorpc()
556 	dpos = nd->nd_dpos;  in nfsrvd_dorpc()
563 	if (!(nd->nd_flag & ND_NFSV4)) {  in nfsrvd_dorpc()
564 		KASSERT(nd->nd_repstat == 0, ("nfsrvd_dorpc"));  in nfsrvd_dorpc()
569 		if ((nd->nd_flag & ND_NFSV3) && nfsrv_mallocmget_limit()) {  in nfsrvd_dorpc()
570 			nd->nd_repstat = NFSERR_DELAY;  in nfsrvd_dorpc()
573 			error = nfsrv_mtofh(nd, &fh);  in nfsrvd_dorpc()
577 				nd->nd_repstat = NFSERR_GARBAGE;  in nfsrvd_dorpc()
580 			if (nd->nd_procnum == NFSPROC_READ ||  in nfsrvd_dorpc()
581 			    nd->nd_procnum == NFSPROC_WRITE ||  in nfsrvd_dorpc()
582 			    nd->nd_procnum == NFSPROC_READDIR ||  in nfsrvd_dorpc()
583 			    nd->nd_procnum == NFSPROC_READDIRPLUS ||  in nfsrvd_dorpc()
584 			    nd->nd_procnum == NFSPROC_READLINK ||  in nfsrvd_dorpc()
585 			    nd->nd_procnum == NFSPROC_GETATTR ||  in nfsrvd_dorpc()
586 			    nd->nd_procnum == NFSPROC_ACCESS ||  in nfsrvd_dorpc()
587 			    nd->nd_procnum == NFSPROC_FSSTAT ||  in nfsrvd_dorpc()
588 			    nd->nd_procnum == NFSPROC_FSINFO)  in nfsrvd_dorpc()
592 			if (nd->nd_flag & ND_PUBLOOKUP)  in nfsrvd_dorpc()
593 				nfsd_fhtovp(nd, &nfs_pubfh, lktype, &vp, &nes,  in nfsrvd_dorpc()
594 				    &mp, nfsrv_writerpc[nd->nd_procnum], -1);  in nfsrvd_dorpc()
596 				nfsd_fhtovp(nd, &fh, lktype, &vp, &nes,  in nfsrvd_dorpc()
597 				    &mp, nfsrv_writerpc[nd->nd_procnum], -1);  in nfsrvd_dorpc()
598 			if (nd->nd_repstat == NFSERR_PROGNOTV4)  in nfsrvd_dorpc()
608 	if (!(nd->nd_flag & ND_NFSV4) && nfsrv_nonidempotent[nd->nd_procnum])  in nfsrvd_dorpc()
609 		nd->nd_flag |= ND_SAVEREPLY;  in nfsrvd_dorpc()
611 	nfsrvd_rephead(nd);  in nfsrvd_dorpc()
617 	if (nd->nd_repstat && (nd->nd_flag & ND_NFSV2)) {  in nfsrvd_dorpc()
618 		*nd->nd_errp = nfsd_errmap(nd);  in nfsrvd_dorpc()
619 		nfsrvd_statstart(nfsv3to4op[nd->nd_procnum], /*now*/ NULL);  in nfsrvd_dorpc()
620 		nfsrvd_statend(nfsv3to4op[nd->nd_procnum], /*bytes*/ 0,  in nfsrvd_dorpc()
632 	if (nd->nd_flag & ND_NFSV4) {  in nfsrvd_dorpc()
633 		nfsrvd_compound(nd, isdgram, tag, taglen, minorvers);  in nfsrvd_dorpc()
638 		nfsrvd_statstart(nfsv3to4op[nd->nd_procnum], &start_time);  in nfsrvd_dorpc()
640 		if (nfs_retfh[nd->nd_procnum] == 1) {  in nfsrvd_dorpc()
643 			error = (*(nfsrv3_procs1[nd->nd_procnum]))(nd, isdgram,  in nfsrvd_dorpc()
645 		} else if (nfs_retfh[nd->nd_procnum] == 2) {  in nfsrvd_dorpc()
646 			error = (*(nfsrv3_procs2[nd->nd_procnum]))(nd, isdgram,  in nfsrvd_dorpc()
649 			error = (*(nfsrv3_procs0[nd->nd_procnum]))(nd, isdgram,  in nfsrvd_dorpc()
654 		if (error == 0 && nd->nd_repstat == ERELOOKUP) {  in nfsrvd_dorpc()
659 			nd->nd_md = md;  in nfsrvd_dorpc()
660 			nd->nd_dpos = dpos;  in nfsrvd_dorpc()
663 			m_freem(nd->nd_mreq);  in nfsrvd_dorpc()
664 			nd->nd_mreq = nd->nd_mb = NULL;  in nfsrvd_dorpc()
665 			nd->nd_repstat = 0;  in nfsrvd_dorpc()
669 		nfsrvd_statend(nfsv3to4op[nd->nd_procnum], /*bytes*/ 0,  in nfsrvd_dorpc()
675 		nd->nd_repstat = NFSERR_GARBAGE;  in nfsrvd_dorpc()
677 	*nd->nd_errp = nfsd_errmap(nd);  in nfsrvd_dorpc()
682 	if (nd->nd_repstat && (nd->nd_flag & ND_SAVEREPLY) &&  in nfsrvd_dorpc()
683 	    (nd->nd_repstat == NFSERR_GARBAGE ||  in nfsrvd_dorpc()
684 	     nd->nd_repstat == NFSERR_BADXDR ||  in nfsrvd_dorpc()
685 	     nd->nd_repstat == NFSERR_MOVED ||  in nfsrvd_dorpc()
686 	     nd->nd_repstat == NFSERR_DELAY ||  in nfsrvd_dorpc()
687 	     nd->nd_repstat == NFSERR_BADSEQID ||  in nfsrvd_dorpc()
688 	     nd->nd_repstat == NFSERR_RESOURCE ||  in nfsrvd_dorpc()
689 	     nd->nd_repstat == NFSERR_SERVERFAULT ||  in nfsrvd_dorpc()
690 	     nd->nd_repstat == NFSERR_STALECLIENTID ||  in nfsrvd_dorpc()
691 	     nd->nd_repstat == NFSERR_STALESTATEID ||  in nfsrvd_dorpc()
692 	     nd->nd_repstat == NFSERR_OLDSTATEID ||  in nfsrvd_dorpc()
693 	     nd->nd_repstat == NFSERR_BADSTATEID ||  in nfsrvd_dorpc()
694 	     nd->nd_repstat == NFSERR_GRACE ||  in nfsrvd_dorpc()
695 	     nd->nd_repstat == NFSERR_NOGRACE))  in nfsrvd_dorpc()
696 		nd->nd_flag &= ~ND_SAVEREPLY;  in nfsrvd_dorpc()
699 	NFSEXITCODE2(0, nd);  in nfsrvd_dorpc()
709 nfsrvd_compound(struct nfsrv_descript *nd, int isdgram, u_char *tag,  in nfsrvd_compound()  argument
746 	nd->nd_compref = compref++;  in nfsrvd_compound()
847 	(void) nfsm_strtom(nd, tag, taglen);  in nfsrvd_compound()
854 		nd->nd_repstat = NFSERR_MINORVERMISMATCH;  in nfsrvd_compound()
855 	if (nd->nd_repstat)  in nfsrvd_compound()
884 		    (op >= NFSV4OP_NOPS && (nd->nd_flag & ND_NFSV41) == 0) ||  in nfsrvd_compound()
885 		    (op >= NFSV41_NOPS && (nd->nd_flag & ND_NFSV42) == 0)) {  in nfsrvd_compound()
886 			nd->nd_repstat = NFSERR_OPILLEGAL;  in nfsrvd_compound()
888 			*repp = nfsd_errmap(nd);  in nfsrvd_compound()
902 			nd->nd_flag |= ND_LASTOP;  in nfsrvd_compound()
911 			nd->nd_repstat = NFSERR_MOVED;  in nfsrvd_compound()
912 			*repp = nfsd_errmap(nd);  in nfsrvd_compound()
921 		if ((nd->nd_flag & ND_NFSV41) != 0) {  in nfsrvd_compound()
923 				nd->nd_repstat = NFSERR_SEQUENCEPOS;  in nfsrvd_compound()
930 				nd->nd_repstat = NFSERR_OPNOTINSESS;  in nfsrvd_compound()
932 				nd->nd_repstat = NFSERR_NOTONLYOP;  in nfsrvd_compound()
933 			if (nd->nd_repstat != 0) {  in nfsrvd_compound()
934 				*repp = nfsd_errmap(nd);  in nfsrvd_compound()
940 		nd->nd_procnum = op;  in nfsrvd_compound()
951 		if (i == 0 && (nd->nd_rp == NULL ||  in nfsrvd_compound()
952 		    nd->nd_rp->rc_refcnt == 0) &&  in nfsrvd_compound()
960 			nd->nd_repstat = NFSERR_RESOURCE;  in nfsrvd_compound()
961 			*repp = nfsd_errmap(nd);  in nfsrvd_compound()
983 		if ((nd->nd_flag & ND_MACHCRED) != 0) {  in nfsrvd_compound()
984 			if (NFSISSET_OPBIT(&nd->nd_allowops, op)) {  in nfsrvd_compound()
989 					savecred = nd->nd_cred;  in nfsrvd_compound()
990 				nd->nd_cred = rootcred;  in nfsrvd_compound()
992 				nd->nd_cred = savecred;  in nfsrvd_compound()
998 			nd->nd_flag |= ND_SAVEREPLY;  in nfsrvd_compound()
1001 			error = nfsrv_mtofh(nd, &fh);  in nfsrvd_compound()
1004 			if ((nd->nd_flag & ND_LASTOP) == 0) {  in nfsrvd_compound()
1023 			if (!nd->nd_repstat)  in nfsrvd_compound()
1024 				nfsd_fhtovp(nd, &fh, LK_SHARED, &nvp, &nes,  in nfsrvd_compound()
1027 			if (!nd->nd_repstat) {  in nfsrvd_compound()
1038 				if ((nd->nd_flag & ND_LASTOP) == 0) {  in nfsrvd_compound()
1058 				nfsd_fhtovp(nd, &nfs_pubfh, LK_SHARED, &nvp,  in nfsrvd_compound()
1061 				nd->nd_repstat = NFSERR_NOFILEHANDLE;  in nfsrvd_compound()
1062 			if (!nd->nd_repstat) {  in nfsrvd_compound()
1073 				if ((nd->nd_flag & ND_LASTOP) == 0) {  in nfsrvd_compound()
1093 				nfsd_fhtovp(nd, &NFSD_VNET(nfs_rootfh),  in nfsrvd_compound()
1095 				if (!nd->nd_repstat) {  in nfsrvd_compound()
1104 				nd->nd_repstat = NFSERR_NOFILEHANDLE;  in nfsrvd_compound()
1108 				nd->nd_repstat = 0;  in nfsrvd_compound()
1118 				if ((nd->nd_flag & ND_CURSTATEID) != 0) {  in nfsrvd_compound()
1119 					nd->nd_savedcurstateid =  in nfsrvd_compound()
1120 					    nd->nd_curstateid;  in nfsrvd_compound()
1121 					nd->nd_flag |= ND_SAVEDCURSTATEID;  in nfsrvd_compound()
1124 				nd->nd_repstat = NFSERR_NOFILEHANDLE;  in nfsrvd_compound()
1129 				if ((nd->nd_flag & ND_LASTOP) == 0) {  in nfsrvd_compound()
1149 				nd->nd_repstat = 0;  in nfsrvd_compound()
1152 					if (nfsrv_checkwrongsec(nd, nextop,  in nfsrvd_compound()
1154 						nd->nd_repstat =  in nfsrvd_compound()
1155 						    nfsvno_testexp(nd,  in nfsrvd_compound()
1157 					if (nd->nd_repstat == 0) {  in nfsrvd_compound()
1165 				if (nd->nd_repstat == 0 &&  in nfsrvd_compound()
1166 				     (nd->nd_flag & ND_SAVEDCURSTATEID) != 0) {  in nfsrvd_compound()
1167 					nd->nd_curstateid =  in nfsrvd_compound()
1168 					    nd->nd_savedcurstateid;  in nfsrvd_compound()
1169 					nd->nd_flag |= ND_CURSTATEID;  in nfsrvd_compound()
1172 				nd->nd_repstat = NFSERR_RESTOREFH;  in nfsrvd_compound()
1195 				nd->nd_repstat = NFSERR_NOFILEHANDLE;  in nfsrvd_compound()
1196 			if (nd->nd_repstat) {  in nfsrvd_compound()
1215 		    mb = nd->nd_mb;  in nfsrvd_compound()
1216 		    bpos = nd->nd_bpos;  in nfsrvd_compound()
1217 		    bextpg = nd->nd_bextpg;  in nfsrvd_compound()
1218 		    bextpgsiz = nd->nd_bextpgsiz;  in nfsrvd_compound()
1219 		    md = nd->nd_md;  in nfsrvd_compound()
1220 		    dpos = nd->nd_dpos;  in nfsrvd_compound()
1225 				nd->nd_repstat = NFSERR_NOFILEHANDLE;  in nfsrvd_compound()
1232 				rstat = nfsvno_testexp(nd, &vpnes);  in nfsrvd_compound()
1234 					nd->nd_repstat = rstat;  in nfsrvd_compound()
1241 			error = (*(nfsrv4_ops1[op]))(nd, isdgram, vp,  in nfsrvd_compound()
1243 			if (!error && !nd->nd_repstat) {  in nfsrvd_compound()
1248 				    nd->nd_repstat = nfsvno_checkexp(new_mp,  in nfsrvd_compound()
1249 					nd->nd_nam, &nes, &credanon);  in nfsrvd_compound()
1250 				    if (!nd->nd_repstat)  in nfsrvd_compound()
1251 					nd->nd_repstat = nfsd_excred(nd,  in nfsrvd_compound()
1255 				    if (!nd->nd_repstat) {  in nfsrvd_compound()
1263 			    if (!nd->nd_repstat) {  in nfsrvd_compound()
1273 				nd->nd_repstat = NFSERR_NOFILEHANDLE;  in nfsrvd_compound()
1276 				nd->nd_repstat = NFSERR_XDEV;  in nfsrvd_compound()
1284 				error = (*(nfsrv4_ops2[op]))(nd, isdgram,  in nfsrvd_compound()
1287 				nd->nd_repstat = NFSERR_PERM;  in nfsrvd_compound()
1306 						nd->nd_repstat = NFSERR_PERM;  in nfsrvd_compound()
1308 					nd->nd_repstat = NFSERR_NOFILEHANDLE;  in nfsrvd_compound()
1321 				if (nd->nd_repstat == 0) {  in nfsrvd_compound()
1322 					error = (*(nfsrv4_ops0[op]))(nd,  in nfsrvd_compound()
1326 					    error == 0 && nd->nd_repstat == 0) {  in nfsrvd_compound()
1338 				error = (*(nfsrv4_ops0[op]))(nd, isdgram,  in nfsrvd_compound()
1345 				nd->nd_repstat = NFSERR_BADXDR;  in nfsrvd_compound()
1347 				nd->nd_repstat = error;  in nfsrvd_compound()
1353 		if (nd->nd_repstat == ERELOOKUP) {  in nfsrvd_compound()
1358 			nd->nd_md = md;  in nfsrvd_compound()
1359 			nd->nd_dpos = dpos;  in nfsrvd_compound()
1365 			nfsm_trimtrailing(nd, mb, bpos, bextpg, bextpgsiz);  in nfsrvd_compound()
1366 			nd->nd_repstat = 0;  in nfsrvd_compound()
1367 			nd->nd_flag |= ND_ERELOOKUP;  in nfsrvd_compound()
1370 		nd->nd_flag &= ~ND_ERELOOKUP;  in nfsrvd_compound()
1379 		if (nd->nd_repstat) {  in nfsrvd_compound()
1380 			*repp = nfsd_errmap(nd);  in nfsrvd_compound()
1394 			nd->nd_repstat = NFSERR_BADXDR;  in nfsrvd_compound()
1410 		nd->nd_cred = savecred;  in nfsrvd_compound()
1417 	NFSEXITCODE2(0, nd);  in nfsrvd_compound()