/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Includes private to the vscan daemon.
 * vs_icap.c also has its own private include file: vs_icap.h
 */

#ifndef _VS_INCL_H
#define _VS_INCL_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>
#include <sys/types.h>
#include <netdb.h>
#include <sys/vscan.h>
#include <libvscan.h>

/* vscan result code - "vsr_rc" field of vs_result_t */
#define VS_RESULT_SE_ERROR      -2 /* scan engine i/f error */
#define VS_RESULT_ERROR         -1
#define VS_RESULT_UNDEFINED     0
#define VS_RESULT_CLEAN         1 /* clean (no infection found) */
#define VS_RESULT_CLEANED       2 /* infections found and cleaned */
#define VS_RESULT_FORBIDDEN     3 /* infected and NOT cleaned */

/* "Resolution" field of violation_rec */
#define VS_RES_FILE_NOT_REPAIRED        0
#define VS_RES_FILE_REPAIRED            1
#define VS_RES_POLICY_VIOLATION         2

#define VS_MAX_VIOLATIONS               10
#define VS_DESCRIPTION_MAX              64

/* number of retries on failure to communicate with a scan engine */
#define VS_MAX_RETRY                    1
#define VS_ENG_WAIT_DFLT                30 /* seconds */

/* flags */
#define VS_NO_REPAIR    0x01


/* vscan daemon state */
typedef enum {
        VS_STATE_INIT, VS_STATE_RUNNING, VS_STATE_SHUTDOWN
} vs_daemon_state_t;


/* violation record - populated as part of result returned from vs_icap.c */
typedef struct vs_vrec {
        int vr_id;
        int vr_res;
        char vr_desc[VS_DESCRIPTION_MAX];
} vs_vrec_t;


/* scan result - populate by vs_icap.c */
typedef struct vs_result {
        int vsr_rc;
        vs_scanstamp_t vsr_scanstamp;
        int vsr_nviolations;
        vs_vrec_t vsr_vrec[VS_MAX_VIOLATIONS];
} vs_result_t;


/* scan engine connection context */
typedef struct vs_eng_ctx {
        int vse_eidx;   /* engine index */
        int vse_cidx;   /* connection index */
        char vse_engid[VS_SE_NAME_LEN];
        char vse_host[MAXHOSTNAMELEN];
        int vse_port;
        int vse_sockfd;
} vs_eng_ctx_t;


/* Function Prototypes */
vs_daemon_state_t vscand_get_state(void);
char *vscand_viruslog(void);
int vscand_kernel_result(vs_scan_rsp_t *);

int vs_door_init(void);
void vs_door_fini(void);

int vs_svc_init(uint32_t);
void vs_svc_fini(void);
int vs_svc_queue_scan_req(vs_scan_req_t *);
void vs_svc_terminate(void);

void vs_eng_init(void);
void vs_eng_fini(void);
void vs_eng_config(vs_props_all_t *);
void vs_eng_set_error(vs_eng_ctx_t *, int);
int vs_eng_get(vs_eng_ctx_t *, boolean_t);
void vs_eng_release(const vs_eng_ctx_t *);
void vs_eng_close_connections(void);
int vs_eng_scanstamp_current(vs_scanstamp_t);

void vs_icap_init(void);
void vs_icap_fini(void);
void vs_icap_config(int, char *, int);
int vs_icap_scan_file(vs_eng_ctx_t *, char *, char *, uint64_t,
    int, vs_result_t *);
void vs_icap_print_options(int);
int vs_icap_compare_scanstamp(int, vs_scanstamp_t);

int vs_stats_init();
void vs_stats_fini();
void vs_stats_set(int);
void vs_stats_eng_err(char *);
void vs_stats_config(vs_props_all_t *);

#ifdef __cplusplus
}
#endif

#endif /* _VS_INCL_H */