1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _VSCAN_H 27 #define _VSCAN_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <sys/param.h> 36 #include <sys/vnode.h> 37 38 /* 39 * vscan.h provides definitions for vscan kernel module 40 */ 41 42 #define VS_DRV_MAX_FILES 1024 /* max concurent file scans */ 43 #define VS_DRV_PATH "/devices/pseudo/vscan@0:vscan" 44 #define VS_DRV_IOCTL_ENABLE 0x0001 /* door rendezvous */ 45 #define VS_DRV_IOCTL_DISABLE 0x0002 /* vscand shutting down */ 46 #define VS_DRV_IOCTL_CONFIG 0x0004 /* vscand config data update */ 47 48 /* vsr_access */ 49 #define VS_ACCESS_UNDEFINED 0 50 #define VS_ACCESS_ALLOW 1 51 #define VS_ACCESS_DENY 2 52 53 #define VS_TYPES_LEN 4096 /* vs_config_t - types buffer */ 54 55 /* 56 * AV_SCANSTAMP_SZ is the size of the scanstamp stored in the 57 * filesystem. vs_scanstamp_t is 1 character longer to allow 58 * a null terminated string to be used within vscan 59 */ 60 typedef char vs_scanstamp_t[AV_SCANSTAMP_SZ + 1]; 61 62 /* used for both request to and response from vscand */ 63 typedef struct vs_scan_req { 64 uint32_t vsr_id; 65 uint32_t vsr_flags; 66 uint64_t vsr_size; 67 uint8_t vsr_modified; 68 uint8_t vsr_quarantined; 69 char vsr_path[MAXPATHLEN]; 70 vs_scanstamp_t vsr_scanstamp; 71 uint32_t vsr_access; /* VS_ACCESS_ALLOW, VS_ACCESS_DENY */ 72 } vs_scan_req_t; 73 74 75 /* passed in VS_DRV_IOCTL_CONFIG */ 76 typedef struct vs_config { 77 char vsc_types[VS_TYPES_LEN]; 78 uint64_t vsc_types_len; 79 uint64_t vsc_max_size; /* files > max size (bytes) not scan */ 80 uint64_t vsc_allow; /* allow access to file exceeding max_size? */ 81 } vs_config_t; 82 83 84 #ifdef _KERNEL 85 86 /* 87 * max no of types in vs_config_t.vsc_types 88 * used as dimention for array of pointers to types 89 */ 90 #define VS_TYPES_MAX VS_TYPES_LEN / 2 91 92 int vscan_svc_init(void); 93 void vscan_svc_fini(void); 94 void vscan_svc_enable(boolean_t); 95 int vscan_svc_configure(vs_config_t *); 96 boolean_t vscan_svc_in_use(void); 97 vnode_t *vscan_svc_get_vnode(int); 98 99 int vscan_door_init(void); 100 void vscan_door_fini(void); 101 int vscan_door_open(int); 102 void vscan_door_close(void); 103 int vscan_door_scan_file(vs_scan_req_t *); 104 105 #endif /* _KERNEL */ 106 107 #ifdef __cplusplus 108 } 109 #endif 110 111 112 #endif /* _VSCAN_H */ 113