fs/nfsserver/nfs_nfsdsocket.c

365 static void nfsrvd_compound(struct nfsrv_descript *nd, int isdgram,
411 nfsrvd_dorpc(struct nfsrv_descript *nd, int isdgram, u_char *tag, int taglen,
423 	if (!(nd->nd_flag & ND_NFSV4)) {
424 		KASSERT(nd->nd_repstat == 0, ("nfsrvd_dorpc"));
429 		if ((nd->nd_flag & ND_NFSV3) && nfsrv_mallocmget_limit()) {
430 			nd->nd_repstat = NFSERR_DELAY;
433 			error = nfsrv_mtofh(nd, &fh);
437 				nd->nd_repstat = NFSERR_GARBAGE;
440 			if (nd->nd_procnum == NFSPROC_READ ||
441 			    nd->nd_procnum == NFSPROC_WRITE ||
442 			    nd->nd_procnum == NFSPROC_READDIR ||
443 			    nd->nd_procnum == NFSPROC_READDIRPLUS ||
444 			    nd->nd_procnum == NFSPROC_READLINK ||
445 			    nd->nd_procnum == NFSPROC_GETATTR ||
446 			    nd->nd_procnum == NFSPROC_ACCESS ||
447 			    nd->nd_procnum == NFSPROC_FSSTAT ||
448 			    nd->nd_procnum == NFSPROC_FSINFO)
452 			if (nd->nd_flag & ND_PUBLOOKUP)
453 				nfsd_fhtovp(nd, &nfs_pubfh, lktype, &vp, &nes,
454 				    &mp, nfs_writerpc[nd->nd_procnum], p);
456 				nfsd_fhtovp(nd, &fh, lktype, &vp, &nes,
457 				    &mp, nfs_writerpc[nd->nd_procnum], p);
458 			if (nd->nd_repstat == NFSERR_PROGNOTV4)
468 	if (!(nd->nd_flag & ND_NFSV4) && nfsrv_nonidempotent[nd->nd_procnum])
469 		nd->nd_flag |= ND_SAVEREPLY;
471 	nfsrvd_rephead(nd);
477 	if (nd->nd_repstat && (nd->nd_flag & ND_NFSV2)) {
478 		*nd->nd_errp = nfsd_errmap(nd);
479 		NFSINCRGLOBAL(newnfsstats.srvrpccnt[nfsv3to4op[nd->nd_procnum]]);
480 		if (mp != NULL && nfs_writerpc[nd->nd_procnum] != 0)
491 	if (nd->nd_flag & ND_NFSV4) {
492 		nfsrvd_compound(nd, isdgram, tag, taglen, minorvers, p);
494 		if (nfs_retfh[nd->nd_procnum] == 1) {
497 			error = (*(nfsrv3_procs1[nd->nd_procnum]))(nd, isdgram,
499 		} else if (nfs_retfh[nd->nd_procnum] == 2) {
500 			error = (*(nfsrv3_procs2[nd->nd_procnum]))(nd, isdgram,
503 			error = (*(nfsrv3_procs0[nd->nd_procnum]))(nd, isdgram,
506 		if (mp != NULL && nfs_writerpc[nd->nd_procnum] != 0)
508 		NFSINCRGLOBAL(newnfsstats.srvrpccnt[nfsv3to4op[nd->nd_procnum]]);
513 		nd->nd_repstat = NFSERR_GARBAGE;
515 	*nd->nd_errp = nfsd_errmap(nd);
520 	if (nd->nd_repstat && (nd->nd_flag & ND_SAVEREPLY) &&
521 	    (nd->nd_repstat == NFSERR_GARBAGE ||
522 	     nd->nd_repstat == NFSERR_BADXDR ||
523 	     nd->nd_repstat == NFSERR_MOVED ||
524 	     nd->nd_repstat == NFSERR_DELAY ||
525 	     nd->nd_repstat == NFSERR_BADSEQID ||
526 	     nd->nd_repstat == NFSERR_RESOURCE ||
527 	     nd->nd_repstat == NFSERR_SERVERFAULT ||
528 	     nd->nd_repstat == NFSERR_STALECLIENTID ||
529 	     nd->nd_repstat == NFSERR_STALESTATEID ||
530 	     nd->nd_repstat == NFSERR_OLDSTATEID ||
531 	     nd->nd_repstat == NFSERR_BADSTATEID ||
532 	     nd->nd_repstat == NFSERR_GRACE ||
533 	     nd->nd_repstat == NFSERR_NOGRACE))
534 		nd->nd_flag &= ~ND_SAVEREPLY;
537 	NFSEXITCODE2(0, nd);
547 nfsrvd_compound(struct nfsrv_descript *nd, int isdgram, u_char *tag,
573 	nd->nd_compref = compref++;
666 	(void) nfsm_strtom(nd, tag, taglen);
670 		nd->nd_repstat = NFSERR_MINORVERMISMATCH;
671 	if (nd->nd_repstat)
690 		    (op >= NFSV4OP_NOPS && (nd->nd_flag & ND_NFSV41) == 0) ||
691 		    (op >= NFSV41_NOPS && (nd->nd_flag & ND_NFSV41) != 0)) {
692 			nd->nd_repstat = NFSERR_OPILLEGAL;
694 			*repp = nfsd_errmap(nd);
703 			nd->nd_flag |= ND_LASTOP;
712 			nd->nd_repstat = NFSERR_MOVED;
713 			*repp = nfsd_errmap(nd);
722 		if ((nd->nd_flag & ND_NFSV41) != 0) {
724 				nd->nd_repstat = NFSERR_SEQUENCEPOS;
731 				nd->nd_repstat = NFSERR_OPNOTINSESS;
733 				nd->nd_repstat = NFSERR_NOTONLYOP;
734 			if (nd->nd_repstat != 0) {
735 				*repp = nfsd_errmap(nd);
741 		nd->nd_procnum = op;
752 		if (i == 0 && (nd->nd_rp == NULL ||
753 		    nd->nd_rp->rc_refcnt == 0) &&
759 			nd->nd_repstat = NFSERR_RESOURCE;
760 			*repp = nfsd_errmap(nd);
773 			nd->nd_flag |= ND_SAVEREPLY;
778 		if (nd->nd_procnum < NFSV4OP_NOPS)
779 			NFSINCRGLOBAL(newnfsstats.srvrpccnt[nd->nd_procnum]);
782 			error = nfsrv_mtofh(nd, &fh);
785 			if (!nd->nd_repstat)
786 				nfsd_fhtovp(nd, &fh, LK_SHARED, &nvp, &nes,
789 			if (!nd->nd_repstat) {
800 			    nfsd_fhtovp(nd, &nfs_pubfh, LK_SHARED, &nvp,
803 			    nd->nd_repstat = NFSERR_NOFILEHANDLE;
804 			if (!nd->nd_repstat) {
815 				nfsd_fhtovp(nd, &nfs_rootfh, LK_SHARED, &nvp,
817 				if (!nd->nd_repstat) {
826 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
830 				nd->nd_repstat = 0;
841 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
846 				nd->nd_repstat = 0;
856 				nd->nd_repstat = NFSERR_RESTOREFH;
878 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
879 			else if (nfsvno_testexp(nd, &vpnes) &&
884 				nd->nd_repstat = NFSERR_WRONGSEC;
885 			if (nd->nd_repstat) {
900 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
906 			error = (*(nfsrv4_ops1[op]))(nd, isdgram, vp,
908 			if (!error && !nd->nd_repstat) {
916 				    nd->nd_repstat = nfsvno_checkexp(new_mp,
917 					nd->nd_nam, &nes, &credanon);
918 				    if (!nd->nd_repstat)
919 					nd->nd_repstat = nfsd_excred(nd,
923 				    if (!nd->nd_repstat) {
931 			    if (!nd->nd_repstat) {
941 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
945 				nd->nd_repstat = NFSERR_XDEV;
953 				error = (*(nfsrv4_ops2[op]))(nd, isdgram,
956 				nd->nd_repstat = NFSERR_PERM;
975 						nd->nd_repstat = NFSERR_PERM;
977 					nd->nd_repstat = NFSERR_NOFILEHANDLE;
990 				if (nd->nd_repstat == 0)
991 					error = (*(nfsrv4_ops0[op]))(nd,
996 				error = (*(nfsrv4_ops0[op]))(nd, isdgram,
1003 				nd->nd_repstat = NFSERR_BADXDR;
1005 				nd->nd_repstat = error;
1011 		if (nd->nd_repstat) {
1012 			*repp = nfsd_errmap(nd);
1021 			nd->nd_repstat = NFSERR_BADXDR;
1040 	NFSEXITCODE2(0, nd);