bsd/nfs/nfs_vfsops.c

1045 	struct xdrbuf xb;
1108 	xb_init_buffer(&xb, NULL, 0);
1109 	xb_add_32(error, &xb, NFS_ARGSVERSION_XDR);
1110 	argslength_offset = xb_offset(&xb);
1111 	xb_add_32(error, &xb, 0); // args length
1112 	xb_add_32(error, &xb, NFS_XDRARGS_VERSION_0);
1113 	xb_add_bitmap(error, &xb, mattrs, NFS_MATTR_BITMAP_LEN);
1114 	attrslength_offset = xb_offset(&xb);
1115 	xb_add_32(error, &xb, 0); // attrs length
1116 	xb_add_32(error, &xb, ndmntp->ndm_nfsv3 ? 3 : 2); // NFS version
1117 	xb_add_string(error, &xb, ((ndmntp->ndm_sotype == SOCK_DGRAM) ? "udp" : "tcp"), 3);
1118 	xb_add_32(error, &xb, ntohs(ndmntp->ndm_saddr.sin_port)); // NFS port
1119 	xb_add_fh(error, &xb, &ndmntp->ndm_fh[0], ndmntp->ndm_fhlen);
1121 	xb_add_32(error, &xb, 1); /* fs location count */
1122 	xb_add_32(error, &xb, 1); /* server count */
1123 	xb_add_string(error, &xb, ndmntp->ndm_mntfrom, (endserverp - ndmntp->ndm_mntfrom)); /* server name */
1124 	xb_add_32(error, &xb, 1); /* address count */
1125 	xb_add_string(error, &xb, uaddr, strlen(uaddr)); /* address */
1126 	xb_add_32(error, &xb, 0); /* empty server info */
1127 	xb_add_32(error, &xb, numcomps); /* pathname component count */
1135 		xb_add_string(error, &xb, cp, (p - cp)); /* component */
1141 	xb_add_32(error, &xb, 0); /* empty fsl info */
1142 	xb_add_32(error, &xb, mntflag); /* MNT flags */
1143 	xb_build_done(error, &xb);
1146 	end_offset = xb_offset(&xb);
1148 		error = xb_seek(&xb, argslength_offset);
1149 		xb_add_32(error, &xb, end_offset - argslength_offset + XDRWORD/*version*/);
1152 		error = xb_seek(&xb, attrslength_offset);
1153 		xb_add_32(error, &xb, end_offset - attrslength_offset - XDRWORD/*don't include length field*/);
1157 		xb_cleanup(&xb);
1161 	xdrbuf = xb_buffer_base(&xb);
1162 	xb.xb_flags &= ~XB_CLEANUP;
1180 	xb_cleanup(&xb);
1206 	struct xdrbuf xb;
1212 	xb_init(&xb, 0);
1369 	xb_init_buffer(&xb, NULL, 0);
1370 	xb_add_32(error, &xb, NFS_ARGSVERSION_XDR);
1371 	argslength_offset = xb_offset(&xb);
1372 	xb_add_32(error, &xb, 0); // args length
1373 	xb_add_32(error, &xb, NFS_XDRARGS_VERSION_0);
1374 	xb_add_bitmap(error, &xb, mattrs, NFS_MATTR_BITMAP_LEN);
1375 	attrslength_offset = xb_offset(&xb);
1376 	xb_add_32(error, &xb, 0); // attrs length
1377 	xb_add_32(error, &xb, ndmntp->ndm_nfsv3 ? 3 : 2); // NFS version
1378 	xb_add_string(error, &xb, ((ndmntp->ndm_sotype == SOCK_DGRAM) ? "udp" : "tcp"), 3);
1379 	xb_add_32(error, &xb, ntohs(ndmntp->ndm_saddr.sin_port)); // NFS port
1380 	xb_add_fh(error, &xb, &ndmntp->ndm_fh[0], ndmntp->ndm_fhlen);
1382 	xb_add_32(error, &xb, 1); /* fs location count */
1383 	xb_add_32(error, &xb, 1); /* server count */
1384 	xb_add_string(error, &xb, ndmntp->ndm_mntfrom, (endserverp - ndmntp->ndm_mntfrom)); /* server name */
1385 	xb_add_32(error, &xb, 1); /* address count */
1386 	xb_add_string(error, &xb, uaddr, strlen(uaddr)); /* address */
1387 	xb_add_32(error, &xb, 0); /* empty server info */
1388 	xb_add_32(error, &xb, numcomps); /* pathname component count */
1396 		xb_add_string(error, &xb, cp, (p - cp)); /* component */
1402 	xb_add_32(error, &xb, 0); /* empty fsl info */
1403 	xb_add_32(error, &xb, mntflag); /* MNT flags */
1404 	xb_build_done(error, &xb);
1407 	end_offset = xb_offset(&xb);
1409 		error = xb_seek(&xb, argslength_offset);
1410 		xb_add_32(error, &xb, end_offset - argslength_offset + XDRWORD/*version*/);
1413 		error = xb_seek(&xb, attrslength_offset);
1414 		xb_add_32(error, &xb, end_offset - attrslength_offset - XDRWORD/*don't include length field*/);
1421 	xdrbuf = xb_buffer_base(&xb);
1422 	xb.xb_flags &= ~XB_CLEANUP;
1442 	xb_cleanup(&xb);
1466 	struct xdrbuf xb;
1693 	xb_init_buffer(&xb, NULL, 0);
1694 	xb_add_32(error, &xb, args.version);
1695 	argslength_offset = xb_offset(&xb);
1696 	xb_add_32(error, &xb, 0); // args length
1697 	xb_add_32(error, &xb, NFS_XDRARGS_VERSION_0);
1698 	xb_add_bitmap(error, &xb, mattrs, NFS_MATTR_BITMAP_LEN);
1699 	attrslength_offset = xb_offset(&xb);
1700 	xb_add_32(error, &xb, 0); // attrs length
1701 	xb_add_bitmap(error, &xb, mflags_mask, NFS_MFLAG_BITMAP_LEN); /* mask */
1702 	xb_add_bitmap(error, &xb, mflags, NFS_MFLAG_BITMAP_LEN); /* value */
1703 	xb_add_32(error, &xb, nfsvers);
1705 		xb_add_32(error, &xb, args.rsize);
1707 		xb_add_32(error, &xb, args.wsize);
1709 		xb_add_32(error, &xb, args.readdirsize);
1711 		xb_add_32(error, &xb, args.readahead);
1713 		xb_add_32(error, &xb, args.acregmin);
1714 		xb_add_32(error, &xb, 0);
1717 		xb_add_32(error, &xb, args.acregmax);
1718 		xb_add_32(error, &xb, 0);
1721 		xb_add_32(error, &xb, args.acdirmin);
1722 		xb_add_32(error, &xb, 0);
1725 		xb_add_32(error, &xb, args.acdirmax);
1726 		xb_add_32(error, &xb, 0);
1729 		xb_add_32(error, &xb, nfslockmode);
1736 		xb_add_word_array(error, &xb, flavors, i);
1739 		xb_add_32(error, &xb, args.maxgrouplist);
1741 		xb_add_string(error, &xb, ((args.sotype == SOCK_DGRAM) ? "udp" : "tcp"), 3);
1743 		xb_add_32(error, &xb, ((ss.ss_family == AF_INET) ?
1749 		xb_add_32(error, &xb, args.timeo/10);
1750 		xb_add_32(error, &xb, (args.timeo%10)*100000000);
1753 		xb_add_32(error, &xb, args.retrans);
1755 		xb_add_32(error, &xb, args.deadtimeout);
1756 		xb_add_32(error, &xb, 0);
1759 		xb_add_fh(error, &xb, &nfh[0], args.fhsize);
1761 		xb_add_32(error, &xb, 1); /* fs location count */
1762 		xb_add_32(error, &xb, 1); /* server count */
1763 		xb_add_string(error, &xb, mntfrom, (endserverp - mntfrom)); /* server name */
1764 		xb_add_32(error, &xb, 1); /* address count */
1765 		xb_add_string(error, &xb, uaddr, strlen(uaddr)); /* address */
1766 		xb_add_32(error, &xb, 0); /* empty server info */
1767 		xb_add_32(error, &xb, numcomps); /* pathname component count */
1776 			xb_add_string(error, &xb, cp, (p - cp)); /* component */
1781 		xb_add_32(error, &xb, 0); /* empty fsl info */
1784 		xb_add_32(error, &xb, (vfs_flags(mp) & MNT_VISFLAGMASK)); /* VFS MNT_* flags */
1786 		xb_add_string(error, &xb, mntfrom, strlen(mntfrom)); /* fixed f_mntfromname */
1787 	xb_build_done(error, &xb);
1790 	end_offset = xb_offset(&xb);
1791 	error = xb_seek(&xb, argslength_offset);
1792 	xb_add_32(error, &xb, end_offset - argslength_offset + XDRWORD/*version*/);
1794 	error = xb_seek(&xb, attrslength_offset);
1795 	xb_add_32(error, &xb, end_offset - attrslength_offset - XDRWORD/*don't include length field*/);
1799 		*xdrbufp = xb_buffer_base(&xb);
1800 		xb.xb_flags &= ~XB_CLEANUP;
1803 	xb_cleanup(&xb);
2637 	struct xdrbuf xb;
2710 	xb_init_buffer(&xb, xdrbuf, 2*XDRWORD);
2711 	xb_get_32(error, &xb, val); /* version */
2712 	xb_get_32(error, &xb, argslength); /* args length */
2714 	xb_init_buffer(&xb, xdrbuf, argslength);	/* restart parsing with actual buffer length */
2715 	xb_get_32(error, &xb, val); /* version */
2716 	xb_get_32(error, &xb, argslength); /* args length */
2717 	xb_get_32(error, &xb, val); /* XDR args version */
2721 	xb_get_bitmap(error, &xb, mattrs, len); /* mount attribute bitmap */
2723 	xb_get_32(error, &xb, attrslength); /* attrs length */
2729 		xb_get_bitmap(error, &xb, mflags_mask, len); /* mount flag mask */
2731 		xb_get_bitmap(error, &xb, mflags, len); /* mount flag values */
2739 		xb_get_32(error, &xb, vers);
2741 			xb_get_32(error, &xb, minorvers);
2771 		xb_get_32(error, &xb, nmp->nm_rsize);
2773 		xb_get_32(error, &xb, nmp->nm_wsize);
2775 		xb_get_32(error, &xb, nmp->nm_readdirsize);
2777 		xb_get_32(error, &xb, nmp->nm_readahead);
2779 		xb_get_32(error, &xb, nmp->nm_acregmin);
2780 		xb_skip(error, &xb, XDRWORD);
2783 		xb_get_32(error, &xb, nmp->nm_acregmax);
2784 		xb_skip(error, &xb, XDRWORD);
2787 		xb_get_32(error, &xb, nmp->nm_acdirmin);
2788 		xb_skip(error, &xb, XDRWORD);
2791 		xb_get_32(error, &xb, nmp->nm_acdirmax);
2792 		xb_skip(error, &xb, XDRWORD);
2796 		xb_get_32(error, &xb, val);
2816 		xb_get_32(error, &xb, seccnt);
2822 			xb_get_32(error, &xb, nmp->nm_sec.flavors[i]);
2839 		xb_get_32(error, &xb, nmp->nm_numgrps);
2843 		xb_get_32(error, &xb, val);
2847 		error = xb_get_bytes(&xb, sotype, val, 0);
2881 		xb_get_32(error, &xb, nmp->nm_nfsport);
2883 		xb_get_32(error, &xb, nmp->nm_mountport);
2886 		xb_get_32(error, &xb, nmp->nm_timeo);
2887 		xb_get_32(error, &xb, val);
2898 		xb_get_32(error, &xb, val);
2903 		xb_get_32(error, &xb, nmp->nm_deadtimeout);
2904 		xb_skip(error, &xb, XDRWORD);
2911 		xb_get_32(error, &xb, nmp->nm_fh->fh_len);
2913 		error = xb_get_bytes(&xb, (char*)&nmp->nm_fh->fh_data[0], nmp->nm_fh->fh_len, 0);
2922 		xb_get_32(error, &xb, nmp->nm_locations.nl_numlocs); /* fs location count */
2936 			xb_get_32(error, &xb, fsl->nl_servcount); /* server count */
2950 				xb_get_32(error, &xb, val); /* server name length */
2959 				error = xb_get_bytes(&xb, fss->ns_name, val, 0); /* server name */
2960 				xb_get_32(error, &xb, fss->ns_addrcount); /* address count */
2970 						xb_get_32(error, &xb, val); /* address length */
2979 						error = xb_get_bytes(&xb, fss->ns_addresses[addr], val, 0); /* address */
2982 				xb_get_32(error, &xb, val); /* server info length */
2983 				xb_skip(error, &xb, val); /* skip server info */
2987 			xb_get_32(error, &xb, fsp->np_compcount); /* component count */
2998 				xb_get_32(error, &xb, val); /* component length */
3021 				error = xb_get_bytes(&xb, fsp->np_components[comp], val, 0); /* component */
3023 			xb_get_32(error, &xb, val); /* fs location info length */
3024 			xb_skip(error, &xb, val); /* skip fs location info */
3028 		xb_skip(error, &xb, XDRWORD);
3030 		xb_get_32(error, &xb, len);
3035 		error = xb_get_bytes(&xb, vfs_statfs(mp)->f_mntfromname, val, 0);
3037 			xb_skip(error, &xb, len - val);
3256 	struct xdrbuf xb, xbnew;
3364 	xb_init_buffer(&xb, nmp->nm_args, 2*XDRWORD);
3365 	xb_get_32(error, &xb, val); /* version */
3366 	xb_get_32(error, &xb, argslength); /* args length */
3367 	xb_init_buffer(&xb, nmp->nm_args, argslength);
3370 	xb_copy_32(error, &xb, &xbnew, val); /* version */
3372 	xb_copy_32(error, &xb, &xbnew, val); /* args length */
3373 	xb_copy_32(error, &xb, &xbnew, val); /* XDR args version */
3375 	xb_get_bitmap(error, &xb, mattrs, count); /* mount attribute bitmap */
3388 	xb_copy_32(error, &xb, &xbnew, val); /* attrs length */
3393 		xb_get_bitmap(error, &xb, newmflags_mask, count); /* mount flag mask bitmap */
3395 		xb_get_bitmap(error, &xb, newmflags, count); /* mount flag bitmap */
3402 		xb_copy_32(error, &xb, &xbnew, val);
3404 		xb_copy_32(error, &xb, &xbnew, val);
3406 		xb_copy_32(error, &xb, &xbnew, val);
3408 		xb_copy_32(error, &xb, &xbnew, val);
3410 		xb_copy_32(error, &xb, &xbnew, val);
3412 		xb_copy_32(error, &xb, &xbnew, val);
3414 		xb_copy_32(error, &xb, &xbnew, val);
3415 		xb_copy_32(error, &xb, &xbnew, val);
3418 		xb_copy_32(error, &xb, &xbnew, val);
3419 		xb_copy_32(error, &xb, &xbnew, val);
3422 		xb_copy_32(error, &xb, &xbnew, val);
3423 		xb_copy_32(error, &xb, &xbnew, val);
3426 		xb_copy_32(error, &xb, &xbnew, val);
3427 		xb_copy_32(error, &xb, &xbnew, val);
3430 		xb_copy_32(error, &xb, &xbnew, val);
3432 		xb_copy_32(error, &xb, &xbnew, count);
3434 			xb_copy_32(error, &xb, &xbnew, val);
3437 		xb_copy_32(error, &xb, &xbnew, val);
3439 		xb_copy_opaque(error, &xb, &xbnew);
3441 		xb_copy_32(error, &xb, &xbnew, val);
3443 		xb_copy_32(error, &xb, &xbnew, val);
3445 		xb_copy_32(error, &xb, &xbnew, val);
3446 		xb_copy_32(error, &xb, &xbnew, val);
3449 		xb_copy_32(error, &xb, &xbnew, val);
3451 		xb_copy_32(error, &xb, &xbnew, val);
3452 		xb_copy_32(error, &xb, &xbnew, val);
3455 		xb_get_32(error, &xb, count);
3456 		xb_skip(error, &xb, count);
3467 		xb_copy_32(error, &xb, &xbnew, numlocs); /* location count */
3469 			xb_copy_32(error, &xb, &xbnew, numserv); /* server count */
3471 				xb_copy_opaque(error, &xb, &xbnew); /* server name */
3472 				xb_copy_32(error, &xb, &xbnew, numaddr); /* address count */
3474 					xb_copy_opaque(error, &xb, &xbnew); /* address */
3475 				xb_copy_opaque(error, &xb, &xbnew); /* server info */
3478 			xb_get_32(error, &xb, numcomp); /* component count */
3482 				xb_copy_opaque(error, &xb, &xbnew); /* component */
3497 			xb_copy_opaque(error, &xb, &xbnew); /* fs location info */
3524 		xb_get_32(error, &xb, mntflags);
3536 		xb_get_32(error, &xb, mlen);
3543 			xb_copy_32(error, &xb, &xbnew, val);
3545 			error = xb_get_bytes(&xb, buf, mlen%XDRWORD, 0);
4770 nfs_mountinfo_assemble(struct nfsmount *nmp, struct xdrbuf *xb)
5041 	*xb = xbinfo;
5065 	struct xdrbuf xb;
5152 		xb_init(&xb, 0);
5153 		if ((error = nfs_mountinfo_assemble(nmp, &xb)))
5155 		if (*oldlenp < xb.xb_u.xb_buffer.xbb_len)
5158 			error = copyout(xb_buffer_base(&xb), oldp, xb.xb_u.xb_buffer.xbb_len);
5159 		*oldlenp = xb.xb_u.xb_buffer.xbb_len;
5160 		xb_cleanup(&xb);