usr/src/uts/common/sys/vscan.h

   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 2008 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_PATH             "/dev/vscan/vscan" /* append minor dev num */
  43
  44 #define VS_IOCTL_ENABLE         0x01    /* door rendezvous */
  45 #define VS_IOCTL_DISABLE        0x02    /* vscand shutting down */
  46 #define VS_IOCTL_CONFIG         0x03    /* vscand config data update */
  47 #define VS_IOCTL_RESULT         0x04    /* scan result */
  48 #define VS_IOCTL_MAX_REQ        0x05    /* max in-progress req vscand */
  49
  50 /* Scan Result - vsr_result */
  51 #define VS_STATUS_UNDEFINED     0
  52 #define VS_STATUS_NO_SCAN       1       /* scan not required */
  53 #define VS_STATUS_ERROR         2       /* scan failed */
  54 #define VS_STATUS_CLEAN         3       /* scan successful, file clean */
  55 #define VS_STATUS_INFECTED      4       /* scan successful, file infected */
  56 #define VS_STATUS_SCANNING      5       /* scan in progress - async */
  57
  58 /* Configuration data vs_config_t - vsc_types */
  59 #define VS_TYPES_LEN            4096    /* vs_config_t - types buffer */
  60 #define VS_TYPES_MAX            VS_TYPES_LEN / 2
  61
  62
  63 /*
  64  * AV_SCANSTAMP_SZ is the size of the scanstamp stored in the
  65  * filesystem. vs_scanstamp_t is 1 character longer to allow
  66  * a null terminated string to be used within vscan
  67  */
  68 typedef char vs_scanstamp_t[AV_SCANSTAMP_SZ + 1];
  69
  70 /* used for door request to vscand */
  71 typedef struct vs_scan_req {
  72         uint32_t vsr_idx;
  73         uint32_t vsr_seqnum;
  74         uint64_t vsr_size;
  75         uint32_t vsr_flags;
  76         uint8_t vsr_modified;
  77         uint8_t vsr_quarantined;
  78         char vsr_path[MAXPATHLEN];
  79         vs_scanstamp_t vsr_scanstamp;
  80 } vs_scan_req_t;
  81
  82
  83 /* passed in VS_IOCTL_RESULT - async response from vscand */
  84 typedef struct vs_scan_rsp {
  85         uint32_t vsr_idx;
  86         uint32_t vsr_seqnum;
  87         uint32_t vsr_result;
  88         vs_scanstamp_t vsr_scanstamp;
  89 } vs_scan_rsp_t;
  90
  91
  92 /* passed in VS_IOCTL_CONFIG */
  93 typedef struct vs_config {
  94         char vsc_types[VS_TYPES_LEN];
  95         uint64_t vsc_types_len;
  96         uint64_t vsc_max_size;  /* files > max size (bytes) not scan */
  97         uint64_t vsc_allow;     /* allow access to file exceeding max_size? */
  98 } vs_config_t;
  99
 100
 101 #ifdef _KERNEL
 102 int vscan_svc_init(void);
 103 void vscan_svc_fini(void);
 104 int vscan_svc_enable(void);
 105 void vscan_svc_disable(void);
 106 int vscan_svc_configure(vs_config_t *);
 107 boolean_t vscan_svc_in_use(void);
 108 void vscan_svc_scan_result(vs_scan_rsp_t *);
 109 void vscan_svc_scan_abort(void);
 110 vnode_t *vscan_svc_get_vnode(int);
 111
 112 int vscan_door_init(void);
 113 void vscan_door_fini(void);
 114 int vscan_door_open(int);
 115 void vscan_door_close(void);
 116 int vscan_door_scan_file(vs_scan_req_t *);
 117
 118 boolean_t vscan_drv_create_node(int);
 119
 120 #endif /* _KERNEL */
 121
 122 #ifdef __cplusplus
 123 }
 124 #endif
 125
 126
 127 #endif /* _VSCAN_H */