bsd/nfs/nfs_serv.c

266  *   3 - build the RPC reply in an mbuf chain (nmrep) and return the mbuf chain
280 	struct nfsm_chain *nmreq, nmrep;
294 	nfsm_chain_null(&nmrep);
380 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(NFS_VER3) + NFSX_UNSIGNED);
382 	*mrepp = nmrep.nmc_mhead;
384 	nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &vattr);
386 		nfsm_chain_add_32(error, &nmrep, nfsmode);
388 	nfsm_chain_build_done(error, &nmrep);
392 		nfsm_chain_cleanup(&nmrep);
408 	struct nfsm_chain *nmreq, nmrep;
418 	nfsm_chain_null(&nmrep);
444 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_FATTR(nd->nd_vers));
446 	*mrepp = nmrep.nmc_mhead;
448 	error = nfsm_chain_add_fattr(nd, &nmrep, &vattr);
450 	nfsm_chain_build_done(error, &nmrep);
454 		nfsm_chain_cleanup(&nmrep);
470 	struct nfsm_chain *nmreq, nmrep;
486 	nfsm_chain_null(&nmrep);
568 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCORFATTR(nd->nd_vers));
570 	*mrepp = nmrep.nmc_mhead;
573 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
576 		error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
578 	nfsm_chain_build_done(error, &nmrep);
580 		nfsm_chain_cleanup(&nmrep);
605 	struct nfsm_chain *nmreq, nmrep;
610 	nfsm_chain_null(&nmrep);
658 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(nd->nd_vers, &nfh) +
661 	*mrepp = nmrep.nmc_mhead;
664 			nfsm_chain_add_postop_attr(error, nd, &nmrep, dirattrerr, &dirattr);
667 	nfsm_chain_add_fh(error, &nmrep, nd->nd_vers, nfh.nfh_fhp, nfh.nfh_len);
669 		nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, vap);
670 		nfsm_chain_add_postop_attr(error, nd, &nmrep, dirattrerr, &dirattr);
672 		error = nfsm_chain_add_fattr(nd, &nmrep, vap);
675 	nfsm_chain_build_done(error, &nmrep);
677 		nfsm_chain_cleanup(&nmrep);
699 	struct nfsm_chain *nmreq, nmrep;
709 	nfsm_chain_null(&nmrep);
774 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers) + NFSX_UNSIGNED);
776 	*mrepp = nmrep.nmc_mhead;
779 		nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &vattr);
781 		nfsm_chain_build_done(error, &nmrep);
789 	nfsm_chain_add_32(error, &nmrep, len);
790 	nfsm_chain_build_done(error, &nmrep);
792 	error = mbuf_setnext(nmrep.nmc_mcur, mpath);
803 		nfsm_chain_cleanup(&nmrep);
832 	struct nfsm_chain *nmreq, nmrep;
837 	nfsm_chain_null(&nmrep);
932 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPORFATTR(nd->nd_vers) + 3 * NFSX_UNSIGNED);
934 	*mrepp = nmrep.nmc_mhead;
937 		nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, vap);
939 		nfsm_chain_build_done(error, &nmrep);
943 		nfsm_chain_add_32(error, &nmrep, len);
944 		nfsm_chain_add_32(error, &nmrep, (len < reqlen) ? TRUE : FALSE);
946 		error = nfsm_chain_add_fattr(nd, &nmrep, vap);
948 	nfsm_chain_add_32(error, &nmrep, len);
949 	nfsm_chain_build_done(error, &nmrep);
951 	error = mbuf_setnext(nmrep.nmc_mcur, mread);
968 		nfsm_chain_cleanup(&nmrep);
1189 	struct nfsm_chain *nmreq, nmrep;
1200 	nfsm_chain_null(&nmrep);
1309 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_PREOPATTR(nd->nd_vers) +
1313 	*mrepp = nmrep.nmc_mhead;
1316 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
1319 		nfsm_chain_add_32(error, &nmrep, retlen);
1322 			nfsm_chain_add_32(error, &nmrep, stable);
1324 			nfsm_chain_add_32(error, &nmrep, NFS_WRITE_FILESYNC);
1326 		nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_sec);
1327 		nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_usec);
1329 		error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
1332 	nfsm_chain_build_done(error, &nmrep);
1338 		nfsm_chain_cleanup(&nmrep);
1387 	struct nfsm_chain *nmreq, nmrep;
1391 	nfsm_chain_null(&nmrep);
1437 		error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCDATA(nd->nd_vers));
1439 		    nd->nd_mrep = nmrep.nmc_mhead;
1441 			nfsm_chain_add_wcc_data(error, nd, &nmrep,
1444 		nfsm_chain_build_done(error, &nmrep);
1596 			error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCDATA(nd->nd_vers));
1598 			    nfsm_chain_add_wcc_data(error, nd, &nmrep,
1603 			error = nfsrv_rephead(nd, slp, &nmrep, NFSX_PREOPATTR(nd->nd_vers) +
1607 			    nfsm_chain_add_wcc_data(error, nd, &nmrep,
1609 			    nfsm_chain_add_32(error, &nmrep, nd->nd_len);
1610 			    nfsm_chain_add_32(error, &nmrep, nd->nd_stable);
1612 			    nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_sec);
1613 			    nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_usec);
1615 			    error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
1618 		    nfsm_chain_build_done(error, &nmrep);
1620 		    nd->nd_mrep = nmrep.nmc_mhead;
1825 	struct nfsm_chain *nmreq, nmrep;
1830 	nfsm_chain_null(&nmrep);
2092 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(nd->nd_vers, &nfh) +
2095 	*mrepp = nmrep.nmc_mhead;
2099 			nfsm_chain_add_postop_fh(error, &nmrep, nfh.nfh_fhp, nfh.nfh_len);
2100 			nfsm_chain_add_postop_attr(error, nd, &nmrep, postattrerr, &postattr);
2102 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
2105 		nfsm_chain_add_fh(error, &nmrep, NFS_VER2, nfh.nfh_fhp, nfh.nfh_len);
2107 			error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
2110 	nfsm_chain_build_done(error, &nmrep);
2125 		nfsm_chain_cleanup(&nmrep);
2155 	struct nfsm_chain *nmreq, nmrep;
2160 	nfsm_chain_null(&nmrep);
2330 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(NFS_VER3, &nfh) +
2333 	*mrepp = nmrep.nmc_mhead;
2336 		nfsm_chain_add_postop_fh(error, &nmrep, nfh.nfh_fhp, nfh.nfh_len);
2337 		nfsm_chain_add_postop_attr(error, nd, &nmrep, postattrerr, &postattr);
2339 	nfsm_chain_add_wcc_data(error, nd, &nmrep,
2342 	nfsm_chain_build_done(error, &nmrep);
2361 		nfsm_chain_cleanup(&nmrep);
2386 	struct nfsm_chain *nmreq, nmrep;
2393 	nfsm_chain_null(&nmrep);
2489 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCDATA(nd->nd_vers));
2491 	*mrepp = nmrep.nmc_mhead;
2494 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
2497 	nfsm_chain_build_done(error, &nmrep);
2499 		nfsm_chain_cleanup(&nmrep);
2532 	struct nfsm_chain *nmreq, nmrep;
2549 	nfsm_chain_null(&nmrep);
3060 	error = nfsrv_rephead(nd, slp, &nmrep, 2 * NFSX_WCCDATA(nd->nd_vers));
3062 	*mrepp = nmrep.nmc_mhead;
3065 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
3067 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
3071 	nfsm_chain_build_done(error, &nmrep);
3109 		nfsm_chain_cleanup(&nmrep);
3133 	struct nfsm_chain *nmreq, nmrep;
3139 	nfsm_chain_null(&nmrep);
3252 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers) + NFSX_WCCDATA(nd->nd_vers));
3254 	*mrepp = nmrep.nmc_mhead;
3257 		nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
3258 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
3262 	nfsm_chain_build_done(error, &nmrep);
3266 		nfsm_chain_cleanup(&nmrep);
3295 	struct nfsm_chain *nmreq, nmrep;
3300 	nfsm_chain_null(&nmrep);
3455 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(nd->nd_vers, &nfh) +
3458 	*mrepp = nmrep.nmc_mhead;
3462 			nfsm_chain_add_postop_fh(error, &nmrep, nfh.nfh_fhp, nfh.nfh_len);
3463 			nfsm_chain_add_postop_attr(error, nd, &nmrep, postattrerr, &postattr);
3465 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
3469 	nfsm_chain_build_done(error, &nmrep);
3486 		nfsm_chain_cleanup(&nmrep);
3514 	struct nfsm_chain *nmreq, nmrep;
3519 	nfsm_chain_null(&nmrep);
3669 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(nd->nd_vers, &nfh) +
3672 	*mrepp = nmrep.nmc_mhead;
3676 			nfsm_chain_add_postop_fh(error, &nmrep, nfh.nfh_fhp, nfh.nfh_len);
3677 			nfsm_chain_add_postop_attr(error, nd, &nmrep, postattrerr, &postattr);
3679 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
3682 		nfsm_chain_add_fh(error, &nmrep, NFS_VER2, nfh.nfh_fhp, nfh.nfh_len);
3684 			error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
3687 	nfsm_chain_build_done(error, &nmrep);
3701 		nfsm_chain_cleanup(&nmrep);
3726 	struct nfsm_chain *nmreq, nmrep;
3732 	nfsm_chain_null(&nmrep);
3839 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCDATA(nd->nd_vers));
3841 	*mrepp = nmrep.nmc_mhead;
3844 		nfsm_chain_add_wcc_data(error, nd, &nmrep,
3847 	nfsm_chain_build_done(error, &nmrep);
3851 		nfsm_chain_cleanup(&nmrep);
3904 	struct nfsm_chain *nmreq, nmrep;
3910 	nfsm_chain_null(&nmrep);
3992 			error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers) +
3995 			*mrepp = nmrep.nmc_mhead;
3998 				nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
3999 				nfsm_chain_add_64(error, &nmrep, attr.va_filerev);
4001 			nfsm_chain_add_32(error, &nmrep, FALSE);
4002 			nfsm_chain_add_32(error, &nmrep, TRUE);
4003 			nfsm_chain_build_done(error, &nmrep);
4031 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers) +
4034 	*mrepp = nmrep.nmc_mhead;
4036 	nmrep.nmc_flags |= NFSM_CHAIN_FLAG_ADD_CLUSTERS;
4041 		nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
4042 		nfsm_chain_add_64(error, &nmrep, attr.va_filerev);
4061 			nfsm_chain_add_32(error, &nmrep, TRUE);
4063 				nfsm_chain_add_64(error, &nmrep, dp->d_fileno);
4065 				nfsm_chain_add_32(error, &nmrep, dp->d_fileno);
4067 			nfsm_chain_add_string(error, &nmrep, dp->d_name, nlen);
4071 				nfsm_chain_add_64(error, &nmrep, dp->d_seekoff);
4073 				nfsm_chain_add_32(error, &nmrep, dp->d_seekoff);
4081 	nfsm_chain_add_32(error, &nmrep, FALSE);
4082 	nfsm_chain_add_32(error, &nmrep, eofflag ? TRUE : FALSE);
4091 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers));
4093 	*mrepp = nmrep.nmc_mhead;
4096 		nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
4098 	nfsm_chain_build_done(error, &nmrep);
4100 		nfsm_chain_cleanup(&nmrep);
4126 	struct nfsm_chain *nmreq, nmrep;
4132 	nfsm_chain_null(&nmrep);
4211 			error = nfsrv_rephead(nd, slp, &nmrep, NFSX_V3POSTOPATTR +
4214 			*mrepp = nmrep.nmc_mhead;
4216 			nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
4217 			nfsm_chain_add_64(error, &nmrep, attr.va_filerev);
4218 			nfsm_chain_add_32(error, &nmrep, FALSE);
4219 			nfsm_chain_add_32(error, &nmrep, TRUE);
4220 			nfsm_chain_build_done(error, &nmrep);
4256 	error = nfsrv_rephead(nd, slp, &nmrep, maxcount);
4258 	*mrepp = nmrep.nmc_mhead;
4260 	nmrep.nmc_flags |= NFSM_CHAIN_FLAG_ADD_CLUSTERS;
4263 	nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
4264 	nfsm_chain_add_64(error, &nmrep, attr.va_filerev);
4307 			nfsm_chain_add_32(error, &nmrep, TRUE);
4308 			nfsm_chain_add_64(error, &nmrep, dp->d_fileno);
4309 			nfsm_chain_add_string(error, &nmrep, dp->d_name, nlen);
4312 			nfsm_chain_add_64(error, &nmrep, dp->d_seekoff);
4313 			nfsm_chain_add_postop_attr(error, nd, &nmrep, (gotattr ? 0 : ENOENT), vap);
4315 				nfsm_chain_add_postop_fh(error, &nmrep, nfh.nfh_fhp, nfh.nfh_len);
4317 				nfsm_chain_add_32(error, &nmrep, FALSE);
4326 	nfsm_chain_add_32(error, &nmrep, FALSE);
4327 	nfsm_chain_add_32(error, &nmrep, eofflag ? TRUE : FALSE);
4334 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_V3POSTOPATTR);
4336 	*mrepp = nmrep.nmc_mhead;
4338 	nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
4340 	nfsm_chain_build_done(error, &nmrep);
4344 		nfsm_chain_cleanup(&nmrep);
4367 	struct nfsm_chain *nmreq, nmrep;
4372 	nfsm_chain_null(&nmrep);
4411 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_V3WCCDATA + NFSX_V3WRITEVERF);
4413 	*mrepp = nmrep.nmc_mhead;
4415 	nfsm_chain_add_wcc_data(error, nd, &nmrep,
4418 		nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_sec);
4419 		nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_usec);
4422 	nfsm_chain_build_done(error, &nmrep);
4424 		nfsm_chain_cleanup(&nmrep);
4448 	struct nfsm_chain *nmreq, nmrep;
4453 	nfsm_chain_null(&nmrep);
4490 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers) + NFSX_STATFS(nd->nd_vers));
4492 	*mrepp = nmrep.nmc_mhead;
4495 		nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
4499 		nfsm_chain_add_64(error, &nmrep, va.f_blocks * blksize);
4500 		nfsm_chain_add_64(error, &nmrep, va.f_bfree * blksize);
4501 		nfsm_chain_add_64(error, &nmrep, va.f_bavail * blksize);
4502 		nfsm_chain_add_64(error, &nmrep, va.f_files);
4503 		nfsm_chain_add_64(error, &nmrep, va.f_ffree);
4504 		nfsm_chain_add_64(error, &nmrep, va.f_ffree);
4505 		nfsm_chain_add_32(error, &nmrep, 0); /* invarsec */
4507 		nfsm_chain_add_32(error, &nmrep, NFS_V2MAXDATA);
4508 		nfsm_chain_add_32(error, &nmrep, blksize);
4509 		nfsm_chain_add_32(error, &nmrep, va.f_blocks);
4510 		nfsm_chain_add_32(error, &nmrep, va.f_bfree);
4511 		nfsm_chain_add_32(error, &nmrep, va.f_bavail);
4514 	nfsm_chain_build_done(error, &nmrep);
4516 		nfsm_chain_cleanup(&nmrep);
4538 	struct nfsm_chain *nmreq, nmrep;
4543 	nfsm_chain_null(&nmrep);
4569 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_V3POSTOPATTR + NFSX_V3FSINFO);
4571 	*mrepp = nmrep.nmc_mhead;
4573 	nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
4586 	nfsm_chain_add_32(error, &nmrep, maxsize);
4587 	nfsm_chain_add_32(error, &nmrep, prefsize);
4588 	nfsm_chain_add_32(error, &nmrep, NFS_FABLKSIZE);
4589 	nfsm_chain_add_32(error, &nmrep, maxsize);
4590 	nfsm_chain_add_32(error, &nmrep, prefsize);
4591 	nfsm_chain_add_32(error, &nmrep, NFS_FABLKSIZE);
4592 	nfsm_chain_add_32(error, &nmrep, prefsize);
4593 	nfsm_chain_add_64(error, &nmrep, 0xffffffffffffffffULL);
4594 	nfsm_chain_add_32(error, &nmrep, 0);
4595 	nfsm_chain_add_32(error, &nmrep, 1);
4597 	nfsm_chain_add_32(error, &nmrep,
4602 	nfsm_chain_build_done(error, &nmrep);
4604 		nfsm_chain_cleanup(&nmrep);
4627 	struct nfsm_chain *nmreq, nmrep;
4632 	nfsm_chain_null(&nmrep);
4670 	error = nfsrv_rephead(nd, slp, &nmrep, NFSX_V3POSTOPATTR + NFSX_V3PATHCONF);
4672 	*mrepp = nmrep.nmc_mhead;
4674 	nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
4677 	nfsm_chain_add_32(error, &nmrep, linkmax);
4678 	nfsm_chain_add_32(error, &nmrep, namemax);
4679 	nfsm_chain_add_32(error, &nmrep, notrunc);
4680 	nfsm_chain_add_32(error, &nmrep, chownres);
4681 	nfsm_chain_add_32(error, &nmrep, !case_sensitive);
4682 	nfsm_chain_add_32(error, &nmrep, case_preserving);
4685 	nfsm_chain_build_done(error, &nmrep);
4687 		nfsm_chain_cleanup(&nmrep);
4705 	struct nfsm_chain nmrep;
4713 	nfsm_chain_null(&nmrep);
4717 	error = nfsrv_rephead(nd, slp, &nmrep, 0);
4719 	*mrepp = nmrep.nmc_mhead;
4721 	nfsm_chain_build_done(error, &nmrep);
4723 		nfsm_chain_cleanup(&nmrep);
4741 	struct nfsm_chain nmrep;
4743 	nfsm_chain_null(&nmrep);
4752 	error = nfsrv_rephead(nd, slp, &nmrep, 0);
4754 	*mrepp = nmrep.nmc_mhead;
4756 	nfsm_chain_build_done(error, &nmrep);
4758 		nfsm_chain_cleanup(&nmrep);