bsd/hfs/hfs_xattr.c

60 	int         result;
281 	int result;
296 			if ((result = hfs_lock(cp, HFS_SHARED_LOCK))) {
297 				return (result);
325 			result = uiomove((caddr_t)&finderinfo , bufsize, uio);
327 			return (result);
338 			if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK))) {
339 				return (result);
352 			result = hfs_vgetrsrc(hfsmp, vp, &rvp, TRUE, FALSE);
354 			if (result) {
355 				return (result);
365 				result = VNOP_READ(rvp, uio, 0, ap->a_context);
368 				    (result == 0) &&
374 					 * in that case, result != 0 and we won't proceed.
376 					 * However, if result == 0, it will have returned no data
383 					result = VNOP_READ(rvp, uio, 0, decmpfs_ctx);
397 			return (result);
408 	if ((result = hfs_lock(cp, HFS_SHARED_LOCK))) {
409 		return (result);
413 	result = hfs_getxattr_internal (cp, ap, VTOHFS(cp->c_vp), 0);
417 	return MacToVFSError(result);
449 	int result = 0;
465 		result = ENOATTR;
474 		result = ENOMEM;
486 		result = ENOMEM;
493 	result = hfs_buildattrkey(target_id, ap->a_name, (HFSPlusAttrKey *)&iterator->key);
494 	if (result) {
500 	result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
503 	if (result) {
504 		if (result == btNotFound) {
505 			result = ENOATTR;
526 				result = ENOATTR;
532 					result = ERANGE;
535 					result = uiomove((caddr_t) &recp->attrData.attrData , recp->attrData.attrSize, uio);
544 				result = ENOATTR;
552 				result = ERANGE;
567 					result = ERANGE;
577 					result = ENOMEM;
592 					result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
593 					if (result ||
598 						result = ENOATTR;
611 					result = ENOATTR;
614 					result = read_attr_data(hfsmp, uio, attrlen, extentbuf);
620 				result = read_attr_data(hfsmp, uio, recp->forkData.theFork.logicalSize, recp->forkData.theFork.extents);
627 			result = ENOATTR;
639 	return result;
666 	int result;
679 		result = decmpfs_decompress_file(vp, VTOCMP(vp), -1, 1, 0);
680 		if (result != 0)
681 			return result;
702 		if ((result = uiomove((caddr_t)&finderinfo , attrsize, uio))) {
703 			return (result);
707 		if ((result = hfs_lock(VTOC(vp), HFS_EXCLUSIVE_LOCK))) {
708 			return (result);
792 		result = hfs_update(vp, FALSE);
795 		return (result);
806 		if ((result = hfs_lock(VTOC(vp), HFS_EXCLUSIVE_LOCK))) {
807 			return (result);
834 		result = hfs_vgetrsrc(hfsmp, vp, &rvp, TRUE, FALSE);
836 		if (result) {
837 			return (result);
840 		result = VNOP_WRITE(rvp, uio, 0, ap->a_context);
853 			if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK))) {
856 				return result;
860 			result = hfs_fsync (rvp, MNT_NOWAIT, 0, vfs_context_proc (ap->a_context));
865 		return (result);
877 		result = E2BIG;
889 			result = ENOMEM;
893 		result = uiomove((caddr_t)user_data_ptr, attrsize, uio);
894 		if (result) {
899 	result = hfs_lock(VTOC(vp), HFS_EXCLUSIVE_LOCK);
900 	if (result) {
909 	result = hfs_setxattr_internal (cp, user_data_ptr, attrsize, ap, VTOHFS(vp), 0);
919 	return (result == btNotFound ? ENOATTR : MacToVFSError(result));
951 	int result = 0;
976 	    result = EINVAL;
986 		result = ENOENT;
994 		result = hfs_create_attr_btree(hfsmp, ATTRIBUTE_FILE_NODE_SIZE,
996 		if (result) {
1012 		result = ENOMEM;
1016 	result = hfs_buildattrkey(target_id, ap->a_name, (HFSPlusAttrKey *)&iterator->key);
1017 	if (result) {
1030 		result = ENOATTR;
1035 		result = EEXIST;
1053 			result = EPERM;
1063 			result = ENOMEM;
1067 		result = alloc_attr_blks(hfsmp, attrsize, extentbufsize, extentptr, &allocatedblks);
1068 		if (result) {
1073 		result = write_attr_data(hfsmp, uio, attrsize, extentptr);
1074 		if (result) {
1078 						result,  name ? name : "", ap->a_name);
1087 			result = remove_attribute_records(hfsmp, iterator);
1088 			if (result) {
1092 							result, name ? name : "", ap->a_name);
1102 			result = ENOMEM;
1118 		result = BTInsertRecord(btfile, iterator, &btdata, btdata.itemSize);
1119 		if (result) {
1121 					target_id, ap->a_name, result);
1141 			result = BTInsertRecord(btfile, iterator, &btdata, btdata.itemSize);
1142 			if (result) {
1144 						target_id, ap->a_name, result);
1153 			result = remove_attribute_records(hfsmp, iterator);
1154 			if (result) {
1163 			result = ENOMEM;
1182 					result = EPERM;
1185 				result = uiomove((caddr_t)&recp->attrData.attrData, attrsize, uio);
1188 			if (result) {
1197 		result = BTInsertRecord(btfile, iterator, &btdata, btdata.itemSize);
1207 	if (result == 0) {
1222 		if (result && allocatedblks) {
1238 	return result;
1264 	int result;
1290 		if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK))) {
1291 			return (result);
1297 		result = hfs_vgetrsrc(hfsmp, vp, &rvp, TRUE, FALSE);
1299 		if (result) {
1300 			return (result);
1304 		if ((result = hfs_lock(VTOC(rvp), HFS_EXCLUSIVE_LOCK))) {
1307 			return (result);
1313 		if ((result = hfs_start_transaction(hfsmp))) {
1317 			return (result);
1320 		result = hfs_truncate(rvp, (off_t)0, IO_NDELAY, 0, 0, ap->a_context);
1321 		if (result == 0) {
1324 			result = hfs_update(vp, FALSE);
1332 		return (result);
1342 		if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK))) {
1343 			return (result);
1430 	if ((result = hfs_lock(cp, HFS_EXCLUSIVE_LOCK))) {
1434 	result = hfs_buildattrkey(cp->c_fileid, ap->a_name, (HFSPlusAttrKey *)&iterator->key);
1435 	if (result) {
1440 	    result = EINVAL;
1445 	result = remove_attribute_records(hfsmp, iterator);
1449 	if (result == 0) {
1455 		result = file_attribute_exist(hfsmp, cp->c_fileid);
1456 		if (result == 0) {
1459 		if (result == EEXIST) {
1460 			result = 0;
1477 	return MacToVFSError(result);
1498 	int result = 0;
1508 		result = ENOMEM;
1514 	result = hfs_buildattrkey(fileID, NULL, key);
1515 	if (result) {
1520 	result = BTSearchRecord(btfile, iterator, NULL, NULL, NULL);
1521 	if (result && (result != btNotFound)) {
1525 	result = BTIterateRecord(btfile, kBTreeNextRecord, iterator, NULL, NULL);
1529 	if ((result && (result == btNotFound)) || (key->fileID != fileID)) {
1530 		result = 0;
1532 		result = EEXIST;
1539 	return result;
1559 	int result;
1566 	result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
1567 	if (result) {
1600 			result = BTSearchRecord(btfile, iterator, &btdata, &datasize, NULL);
1601 			if (result ||
1605 					MacToVFSError(result), attrdata.recordType != kHFSPlusAttrExtents, totalblks);
1606 				result = ENOATTR;
1619 		result = BTDeleteRecord(btfile, iterator);
1623 	return (result == btNotFound ? ENOATTR :  MacToVFSError(result));
1652 	int result;
1667 	if ((result = hfs_lock(cp, HFS_SHARED_LOCK))) {
1668 		return (result);
1694 			result = ERANGE;
1697 			result = uiomove(XATTR_FINDERINFO_NAME,
1699 			if (result)
1715 				result = ERANGE;
1718 				result = uiomove(XATTR_RESOURCEFORK_NAME,
1720 				if (result)
1730 		result = 0;
1736 		result = 0;
1743 		result = ENOMEM;
1747 	result = hfs_buildattrkey(cp->c_fileid, NULL, (HFSPlusAttrKey *)&iterator->key);
1748 	if (result)
1759 		if ((result = vslock(user_start, user_len)) != 0) {
1766 	result = BTSearchRecord(btfile, iterator, NULL, NULL, NULL);
1767 	if (result && result != btNotFound) {
1773 	state.result = 0;
1785 	result = BTIterateRecords(btfile, kBTreeNextRecord, iterator,
1792 	if (state.result || result == btNotFound)
1793 		result = state.result;
1804 	return MacToVFSError(result);
1816 	int result;
1819 		state->result = 0;
1830 	result = utf8_encodestr(key->attrName, key->attrNameLen * sizeof(UniChar),
1832 	if (result) {
1833 		state->result = result;
1850 			state->result = ERANGE;
1853 		result = uiomove((caddr_t) attrname, bytecount, state->uio);
1854 		if (result) {
1855 			state->result = result;
1878 	int result, lockflags;
1895 			result = EINVAL;
1906 		result = BTIterateRecord(btfile, kBTreeNextRecord, iterator, NULL, NULL);
1907 		if (result || key->fileID != fileid) {
1912 		result = remove_attribute_records(hfsmp, iterator);
1915 		if (result) {
1916 			printf("hfs_removeallattr: unexpected err %d\n", result);
1921 		if (result)
1926 	return (result == btNotFound ? 0: MacToVFSError(result));
1957 	int result;
1970 		result = hfs_create_attr_btree(hfsmp, ATTRIBUTE_FILE_NODE_SIZE,
1972 		if (result) {
1973 			return (result);
1992 		result = EINVAL;
2001 		result = BTDeleteRecord(btfile, iterator);
2002 		if (result == btNotFound)
2003 			result = 0;
2021 		result = BTInsertRecord(btfile, iterator, &btdata, datasize);
2022 		if (result == btExists)
2023 			result = 0;
2045 	return MacToVFSError(result);
2060 	int result;
2064 	result = 0;
2067 		++result;
2069 		--result;
2080 			--result;
2083 			++result;
2093 				result = 1;
2097 				result = -1;
2101 		if (result)
2102 			return (result);
2112 	return result;
2123 	int result = 0;
2130 		result = utf8_decodestr((const u_int8_t *)attrname, strlen(attrname), key->attrName,
2132 		if (result) {
2133 			if (result != ENAMETOOLONG)
2134 				result = EINVAL;  /* name has invalid characters */
2135 			return (result);
2224 	int result = 0;
2265 	result = hfs_getnewvnode(hfsmp, NULL, NULL, &cat_desc, 0, &cat_attr,
2267 	if (result == 0) {
2271 	return (result);
2286 	int result = 0;
2305 		result = cluster_read(evp, uio, VTOF(evp)->ff_size, IO_SYNC | IO_UNIT);
2309 			iosize, extents[i].startBlock, extents[i].blockCount, result);
2311 		if (result)
2320 	return (result);
2336 	int result = 0;
2355 		result = cluster_write(evp, uio, filesize, filesize, filesize,
2359 			iosize, extents[i].startBlock, extents[i].blockCount, result);
2361 		if (result)
2370 	return (result);
2384 	int result = 0;
2397 		result = BlockAllocate(hfsmp, startblk, blkcnt, blkcnt, 0,
2401 			blkcnt, extents[i].startBlock, extents[i].blockCount, result);
2403 		if (result) {
2415 		result = ENOSPC;
2430 	return MacToVFSError(result);