bsd/hfs/hfs_xattr.c

62 	int         result;
274 	int result;
289 			if ((result = hfs_lock(cp, HFS_SHARED_LOCK, HFS_LOCK_DEFAULT))) {
290 				return (result);
318 			result = uiomove((caddr_t)&finderinfo , bufsize, uio);
320 			return (result);
331 			if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT))) {
332 				return (result);
345 			result = hfs_vgetrsrc(hfsmp, vp, &rvp);
347 			if (result) {
348 				return (result);
358 				result = VNOP_READ(rvp, uio, 0, ap->a_context);
361 				    (result == 0) &&
367 					 * in that case, result != 0 and we won't proceed.
369 					 * However, if result == 0, it will have returned no data
376 					result = VNOP_READ(rvp, uio, 0, decmpfs_ctx);
390 			return (result);
401 	if ((result = hfs_lock(cp, HFS_SHARED_LOCK, HFS_LOCK_DEFAULT))) {
402 		return (result);
406 	result = hfs_getxattr_internal (cp, ap, VTOHFS(cp->c_vp), 0);
410 	return MacToVFSError(result);
457 	int result = 0;
472 		result = ENOATTR;
481 		result = ENOMEM;
492 		result = ENOMEM;
499 	result = hfs_buildattrkey(target_id, ap->a_name, (HFSPlusAttrKey *)&iterator->key);
500 	if (result) {
506 	result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
509 	if (result) {
510 		if (result == btNotFound) {
511 			result = ENOATTR;
533 				result = ENOATTR;
540 					result = ERANGE;
550 						result = ENOMEM;
559 					result = hfs_buildattrkey(target_id, ap->a_name, (HFSPlusAttrKey *)&iterator->key);
560 					if (result) {
566 					result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
568 					if (result) {
569 						if (result == btNotFound) {
570 							result = ENOATTR;
577 					result = uiomove((caddr_t) &recp->attrData.attrData , recp->attrData.attrSize, uio);
588 				result = ENOATTR;
596 				result = ERANGE;
611 					result = ERANGE;
621 					result = ENOMEM;
636 					result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
637 					if (result ||
642 						result = ENOATTR;
655 					result = ENOATTR;
657 					result = read_attr_data(hfsmp, uio, attrlen, extentbuf);
662 				result = read_attr_data(hfsmp, uio, recp->forkData.theFork.logicalSize, recp->forkData.theFork.extents);
669 			result = ENOATTR;
681 	return result;
708 	int result;
721 		result = decmpfs_decompress_file(vp, VTOCMP(vp), -1, 1, 0);
722 		if (result != 0)
723 			return result;
746 		if ((result = uiomove((caddr_t)&finderinfo , attrsize, uio))) {
747 			return (result);
751 		if ((result = hfs_lock(VTOC(vp), HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT))) {
752 			return (result);
859 		result = hfs_update(vp, FALSE);
862 		return (result);
873 		if ((result = hfs_lock(VTOC(vp), HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT))) {
874 			return (result);
901 		result = hfs_vgetrsrc(hfsmp, vp, &rvp);
903 		if (result) {
904 			return (result);
907 		result = VNOP_WRITE(rvp, uio, 0, ap->a_context);
919 			if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT))) {
922 				return result;
926 			result = hfs_fsync (rvp, MNT_NOWAIT, 0, vfs_context_proc (ap->a_context));
931 		return (result);
943 		result = E2BIG;
957 			result = ENOMEM;
961 		result = uiomove((caddr_t)user_data_ptr, attrsize, uio);
962 		if (result) {
967 	result = hfs_lock(VTOC(vp), HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT);
968 	if (result) {
977 	result = hfs_setxattr_internal (cp, user_data_ptr, attrsize, ap, VTOHFS(vp), 0);
987 	return (result == btNotFound ? ENOATTR : MacToVFSError(result));
1030 	int result = 0;
1054 	    result = EINVAL;
1064 		result = ENOENT;
1072 		result = hfs_create_attr_btree(hfsmp, ATTRIBUTE_FILE_NODE_SIZE,
1074 		if (result) {
1090 		result = ENOMEM;
1094 	result = hfs_buildattrkey(target_id, ap->a_name, (HFSPlusAttrKey *)&iterator->key);
1095 	if (result) {
1108 		result = ENOATTR;
1113 		result = EEXIST;
1131 			result = EPERM;
1141 			result = ENOMEM;
1145 		result = alloc_attr_blks(hfsmp, attrsize, extentbufsize, extentptr, &allocatedblks);
1146 		if (result) {
1151 		result = write_attr_data(hfsmp, uio, attrsize, extentptr);
1152 		if (result) {
1156 						hfsmp->vcbVN, result,  name ? name : "", ap->a_name);
1165 			result = remove_attribute_records(hfsmp, iterator);
1166 			if (result) {
1170 							hfsmp->vcbVN, result, name ? name : "", ap->a_name);
1180 			result = ENOMEM;
1196 		result = BTInsertRecord(btfile, iterator, &btdata, btdata.itemSize);
1197 		if (result) {
1199 					hfsmp->vcbVN, target_id, ap->a_name, result);
1219 			result = BTInsertRecord(btfile, iterator, &btdata, btdata.itemSize);
1220 			if (result) {
1222 						hfsmp->vcbVN, target_id, ap->a_name, result);
1230 			result = remove_attribute_records(hfsmp, iterator);
1231 			if (result) {
1240 			result = ENOMEM;
1258 					result = EPERM;
1261 				result = uiomove((caddr_t)&recp->attrData.attrData, attrsize, uio);
1264 			if (result) {
1273 		result = BTInsertRecord(btfile, iterator, &btdata, btdata.itemSize);
1283 	if (result == 0) {
1298 		if (result && allocatedblks) {
1314 	return result;
1340 	int result;
1366 		if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT))) {
1367 			return (result);
1373 		result = hfs_vgetrsrc(hfsmp, vp, &rvp);
1375 		if (result) {
1376 			return (result);
1384 		if ((result = hfs_lock(VTOC(rvp), HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT))) {
1387 			return (result);
1393 		if ((result = hfs_start_transaction(hfsmp))) {
1397 			return (result);
1400 		result = hfs_truncate(rvp, (off_t)0, IO_NDELAY, 0, ap->a_context);
1401 		if (result == 0) {
1404 			result = hfs_update(vp, FALSE);
1412 		return (result);
1422 		if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT))) {
1423 			return (result);
1515 	if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT))) {
1519 	result = hfs_buildattrkey(cp->c_fileid, ap->a_name, (HFSPlusAttrKey *)&iterator->key);
1520 	if (result) {
1525 	    result = EINVAL;
1530 	result = remove_attribute_records(hfsmp, iterator);
1534 	if (result == 0) {
1540 		result = file_attribute_exist(hfsmp, cp->c_fileid);
1541 		if (result == 0) {
1544 		if (result == EEXIST) {
1545 			result = 0;
1562 	return MacToVFSError(result);
1583 	int result = 0;
1593 		result = ENOMEM;
1599 	result = hfs_buildattrkey(fileID, NULL, key);
1600 	if (result) {
1605 	result = BTSearchRecord(btfile, iterator, NULL, NULL, NULL);
1606 	if (result && (result != btNotFound)) {
1610 	result = BTIterateRecord(btfile, kBTreeNextRecord, iterator, NULL, NULL);
1614 	if ((result && (result == btNotFound)) || (key->fileID != fileID)) {
1615 		result = 0;
1617 		result = EEXIST;
1624 	return result;
1644 	int result;
1651 	result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
1652 	if (result) {
1685 			result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
1686 			if (result ||
1690 					hfsmp->vcbVN, MacToVFSError(result), attrdata.recordType != kHFSPlusAttrExtents, totalblks);
1691 				result = ENOATTR;
1704 		result = BTDeleteRecord(btfile, iterator);
1708 	return (result == btNotFound ? ENOATTR :  MacToVFSError(result));
1737 	int result;
1760 	if ((result = hfs_lock(cp, HFS_SHARED_LOCK, HFS_LOCK_DEFAULT))) {
1762 		return (result);
1788 			result = ERANGE;
1791 			result = uiomove(XATTR_FINDERINFO_NAME,
1793 			if (result)
1809 				result = ERANGE;
1812 				result = uiomove(XATTR_RESOURCEFORK_NAME,
1814 				if (result)
1824 		result = 0;
1830 		result = 0;
1837 		result = ENOMEM;
1841 	result = hfs_buildattrkey(cp->c_fileid, NULL, (HFSPlusAttrKey *)&iterator->key);
1842 	if (result)
1853 		if ((result = vslock(user_start, user_len)) != 0) {
1860 	result = BTSearchRecord(btfile, iterator, NULL, NULL, NULL);
1861 	if (result && result != btNotFound) {
1867 	state.result = 0;
1879 	result = BTIterateRecords(btfile, kBTreeNextRecord, iterator,
1886 	if (state.result || result == btNotFound)
1887 		result = state.result;
1899 	return MacToVFSError(result);
1911 	int result;
1914 		state->result = 0;
1925 	result = utf8_encodestr(key->attrName, key->attrNameLen * sizeof(UniChar),
1927 	if (result) {
1928 		state->result = result;
1945 			state->result = ERANGE;
1948 		result = uiomove((caddr_t) attrname, bytecount, state->uio);
1949 		if (result) {
1950 			state->result = result;
1973 	int result, lockflags;
1990 			result = EINVAL;
2001 		result = BTIterateRecord(btfile, kBTreeNextRecord, iterator, NULL, NULL);
2002 		if (result || key->fileID != fileid) {
2007 		result = remove_attribute_records(hfsmp, iterator);
2010 		if (result) {
2011 			printf("hfs_removeallattr: unexpected err %d\n", result);
2016 		if (result)
2021 	return (result == btNotFound ? 0: MacToVFSError(result));
2052 	int result;
2065 		result = hfs_create_attr_btree(hfsmp, ATTRIBUTE_FILE_NODE_SIZE,
2067 		if (result) {
2068 			return (result);
2087 		result = EINVAL;
2096 		result = BTDeleteRecord(btfile, iterator);
2097 		if (result == btNotFound)
2098 			result = 0;
2116 		result = BTInsertRecord(btfile, iterator, &btdata, datasize);
2117 		if (result == btExists)
2118 			result = 0;
2140 	return MacToVFSError(result);
2155 	int result;
2159 	result = 0;
2162 		++result;
2164 		--result;
2175 			--result;
2178 			++result;
2188 				result = 1;
2192 				result = -1;
2196 		if (result)
2197 			return (result);
2208 	return result;
2219 	int result = 0;
2226 		result = utf8_decodestr((const u_int8_t *)attrname, strlen(attrname), key->attrName,
2228 		if (result) {
2229 			if (result != ENAMETOOLONG)
2230 				result = EINVAL;  /* name has invalid characters */
2231 			return (result);
2320 	int result = 0;
2361 	result = hfs_getnewvnode(hfsmp, NULL, NULL, &cat_desc, 0, &cat_attr,
2363 	if (result == 0) {
2367 	return (result);
2382 	int result = 0;
2401 		result = cluster_read(evp, uio, VTOF(evp)->ff_size, IO_SYNC | IO_UNIT);
2405 			iosize, extents[i].startBlock, extents[i].blockCount, result);
2407 		if (result)
2416 	return (result);
2432 	int result = 0;
2451 		result = cluster_write(evp, uio, filesize, filesize, filesize,
2455 			iosize, extents[i].startBlock, extents[i].blockCount, result);
2457 		if (result)
2466 	return (result);
2480 	int result = 0;
2494 		result = BlockAllocate(hfsmp, startblk, blkcnt, blkcnt, 0,
2500 		if (result == dskFulErr) {
2501 			result = BlockAllocate(hfsmp, startblk, blkcnt, blkcnt, HFS_ALLOC_FLUSHTXN,
2508 			blkcnt, extents[i].startBlock, extents[i].blockCount, result);
2510 		if (result) {
2522 		result = ENOSPC;
2537 	return MacToVFSError(result);