/*
 * $NetBSD: rpcb_stat.c,v 1.2 2000/07/04 20:27:40 matt Exp $
 */
/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2009, Sun Microsystems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of Sun Microsystems, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
/*
 * rpcb_stat.c
 * Allows for gathering of statistics
 *
 * Copyright (c) 1990 by Sun Microsystems, Inc.
 */

#include <sys/stat.h>

#include <rpc/rpc.h>
#include <rpc/rpcb_prot.h>
#ifdef PORTMAP
#include <rpc/pmap_prot.h>
#endif

#include <netconfig.h>
#include <stdlib.h>
#include <string.h>

#include "rpcbind.h"

static rpcb_stat_byvers inf;

void
rpcbs_init(void)
{

}

void
rpcbs_procinfo(rpcvers_t rtype, rpcproc_t proc)
{
        switch (rtype + 2) {
#ifdef PORTMAP
        case PMAPVERS:          /* version 2 */
                if (proc > rpcb_highproc_2)
                        return;
                break;
#endif
        case RPCBVERS:          /* version 3 */
                if (proc > rpcb_highproc_3)
                        return;
                break;
        case RPCBVERS4:         /* version 4 */
                if (proc > rpcb_highproc_4)
                        return;
                break;
        default: return;
        }
        inf[rtype].info[proc]++;
}

void
rpcbs_set(rpcvers_t rtype, bool_t success)
{
        if ((rtype >= RPCBVERS_STAT) || (success == FALSE))
                return;
        inf[rtype].setinfo++;
}

void
rpcbs_unset(rpcvers_t rtype, bool_t success)
{
        if ((rtype >= RPCBVERS_STAT) || (success == FALSE))
                return;
        inf[rtype].unsetinfo++;
}

void
rpcbs_getaddr(rpcvers_t rtype, rpcprog_t prog, rpcvers_t vers,
    const char *netid, const char *uaddr)
{
        rpcbs_addrlist *al;
        struct netconfig *nconf;

        if (rtype >= RPCBVERS_STAT)
                return;
        for (al = inf[rtype].addrinfo; al; al = al->next) {

                if(al->netid == NULL)
                        return;
                if ((al->prog == prog) && (al->vers == vers) &&
                    (strcmp(al->netid, netid) == 0)) {
                        if ((uaddr == NULL) || (uaddr[0] == 0))
                                al->failure++;
                        else
                                al->success++;
                        return;
                }
        }
        nconf = rpcbind_get_conf(netid);
        if (nconf == NULL) {
                return;
        }
        al = malloc(sizeof(*al));
        if (al == NULL) {
                return;
        }
        al->prog = prog;
        al->vers = vers;
        al->netid = nconf->nc_netid;
        if ((uaddr == NULL) || (uaddr[0] == 0)) {
                al->failure = 1;
                al->success = 0;
        } else {
                al->failure = 0;
                al->success = 1;
        }
        al->next = inf[rtype].addrinfo;
        inf[rtype].addrinfo = al;
}

void
rpcbs_rmtcall(rpcvers_t rtype, rpcproc_t rpcbproc, rpcprog_t prog,
              rpcvers_t vers, rpcproc_t proc, char *netid, rpcblist_ptr rbl)
{
        rpcbs_rmtcalllist *rl;
        struct netconfig *nconf;

        if (rtype >= RPCBVERS_STAT)
                return;
        for (rl = inf[rtype].rmtinfo; rl; rl = rl->next) {

                if(rl->netid == NULL)
                        return;

                if ((rl->prog == prog) && (rl->vers == vers) &&
                    (rl->proc == proc) &&
                    (strcmp(rl->netid, netid) == 0)) {
                        if ((rbl == NULL) ||
                            (rbl->rpcb_map.r_vers != vers))
                                rl->failure++;
                        else
                                rl->success++;
                        if (rpcbproc == RPCBPROC_INDIRECT)
                                rl->indirect++;
                        return;
                }
        }
        nconf = rpcbind_get_conf(netid);
        if (nconf == NULL) {
                return;
        }
        rl = malloc(sizeof(*rl));
        if (rl == NULL) {
                return;
        }
        rl->prog = prog;
        rl->vers = vers;
        rl->proc = proc;
        rl->netid = nconf->nc_netid;
        if ((rbl == NULL) ||
                    (rbl->rpcb_map.r_vers != vers)) {
                rl->failure = 1;
                rl->success = 0;
        } else {
                rl->failure = 0;
                rl->success = 1;
        }
        rl->indirect = 1;
        rl->next = inf[rtype].rmtinfo;
        inf[rtype].rmtinfo = rl;
}

void *
rpcbproc_getstat(void *arg __unused, struct svc_req *req __unused,
    SVCXPRT *xprt __unused, rpcvers_t versnum __unused)
{
        return (void *)&inf;
}