FreeBSD/Linux Kernel Cross Reference
sys/nlm/nlm_prot_server.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
      * Authors: Doug Rabson <dfr@rabson.org>
      * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
     */
    
    #include <sys/cdefs.h>
    #ifndef lint
    /*static char sccsid[] = "from: @(#)nlm_prot.x 1.8 87/09/21 Copyr 1987 Sun Micro";*/
    /*static char sccsid[] = "from: * @(#)nlm_prot.x        2.1 88/08/01 4.0 RPCSRC";*/
    __RCSID("$NetBSD: nlm_prot.x,v 1.6 2000/06/07 14:30:15 bouyer Exp $");
    #endif /* not lint */
    __FBSDID("$FreeBSD$");
    
    #include <sys/param.h>
    #include <sys/malloc.h>
    #include <sys/systm.h>
    
    #include <nlm/nlm_prot.h>
    #include <nlm/nlm.h>
    
    /**********************************************************************/
    
    /*
     * Convert between various versions of the protocol structures.
     */
    
    static void
    nlm_convert_to_nlm4_lock(struct nlm4_lock *dst, struct nlm_lock *src)
    {
    
            dst->caller_name = src->caller_name;
            dst->fh = src->fh;
            dst->oh = src->oh;
            dst->svid = src->svid;
            dst->l_offset = src->l_offset;
            dst->l_len = src->l_len;
    }
    
    static void
    nlm_convert_to_nlm4_share(struct nlm4_share *dst, struct nlm_share *src)
    {
    
            dst->caller_name = src->caller_name;
            dst->fh = src->fh;
            dst->oh = src->oh;
            dst->mode = src->mode;
            dst->access = src->access;
    }
    
    static void
    nlm_convert_to_nlm_holder(struct nlm_holder *dst, struct nlm4_holder *src)
    {
    
            dst->exclusive = src->exclusive;
            dst->svid = src->svid;
            dst->oh = src->oh;
            dst->l_offset = src->l_offset;
            dst->l_len = src->l_len;
    }
    
    static void
    nlm_convert_to_nlm4_holder(struct nlm4_holder *dst, struct nlm_holder *src)
    {
    
            dst->exclusive = src->exclusive;
            dst->svid = src->svid;
            dst->oh = src->oh;
            dst->l_offset = src->l_offset;
            dst->l_len = src->l_len;
    }
    
    static enum nlm_stats
    nlm_convert_to_nlm_stats(enum nlm4_stats src)
    {
            if (src > nlm4_deadlck)
                   return nlm_denied;
           return (enum nlm_stats) src;
   }
   
   static void
   nlm_convert_to_nlm_res(struct nlm_res *dst, struct nlm4_res *src)
   {
           dst->cookie = src->cookie;
           dst->stat.stat = nlm_convert_to_nlm_stats(src->stat.stat);
   }
   
   static void
   nlm_convert_to_nlm4_res(struct nlm4_res *dst, struct nlm_res *src)
   {
           dst->cookie = src->cookie;
           dst->stat.stat = (enum nlm4_stats) src->stat.stat;
   }
   
   /**********************************************************************/
   
   /*
    * RPC server stubs.
    */
   
   bool_t
   nlm_sm_notify_0_svc(struct nlm_sm_status *argp, void *result, struct svc_req *rqstp)
   {
           nlm_sm_notify(argp);
   
           return (TRUE);
   }
   
   bool_t
   nlm_test_1_svc(struct nlm_testargs *argp, nlm_testres *result, struct svc_req *rqstp)
   {
           bool_t retval;
           nlm4_testargs args4;
           nlm4_testres res4;
   
           args4.cookie = argp->cookie;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
   
           retval = nlm4_test_4_svc(&args4, &res4, rqstp);
           if (retval) {
                   result->cookie = res4.cookie;
                   result->stat.stat = nlm_convert_to_nlm_stats(res4.stat.stat);
                   if (result->stat.stat == nlm_denied)
                           nlm_convert_to_nlm_holder(
                                   &result->stat.nlm_testrply_u.holder,
                                   &res4.stat.nlm4_testrply_u.holder);
           }
   
           return (retval);
   }
   
   bool_t
   nlm_lock_1_svc(struct nlm_lockargs *argp, nlm_res *result, struct svc_req *rqstp)
   {
           bool_t retval;
           nlm4_lockargs args4;
           nlm4_res res4;
   
           args4.cookie = argp->cookie;
           args4.block = argp->block;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
           args4.reclaim = argp->reclaim;
           args4.state = argp->state;
   
           retval = nlm4_lock_4_svc(&args4, &res4, rqstp);
           if (retval)
                   nlm_convert_to_nlm_res(result, &res4);
   
           return (retval);
   }
   
   bool_t
   nlm_cancel_1_svc(struct nlm_cancargs *argp, nlm_res *result, struct svc_req *rqstp)
   {
           bool_t retval;
           nlm4_cancargs args4;
           nlm4_res res4;
   
           args4.cookie = argp->cookie;
           args4.block = argp->block;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
   
           retval = nlm4_cancel_4_svc(&args4, &res4, rqstp);
           if (retval)
                   nlm_convert_to_nlm_res(result, &res4);
   
           return (retval);
   }
   
   bool_t
   nlm_unlock_1_svc(struct nlm_unlockargs *argp, nlm_res *result, struct svc_req *rqstp)
   {
           bool_t retval;
           nlm4_unlockargs args4;
           nlm4_res res4;
   
           args4.cookie = argp->cookie;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
   
           retval = nlm4_unlock_4_svc(&args4, &res4, rqstp);
           if (retval)
                   nlm_convert_to_nlm_res(result, &res4);
   
           return (retval);
   }
   
   bool_t
   nlm_granted_1_svc(struct nlm_testargs *argp, nlm_res *result, struct svc_req *rqstp)
   {
           bool_t retval;
           nlm4_testargs args4;
           nlm4_res res4;
   
           args4.cookie = argp->cookie;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
   
           retval = nlm4_granted_4_svc(&args4, &res4, rqstp);
           if (retval)
                   nlm_convert_to_nlm_res(result, &res4);
   
           return (retval);
   }
   
   bool_t
   nlm_test_msg_1_svc(struct nlm_testargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_testargs args4;
           nlm4_testres res4;
           nlm_testres res;
           CLIENT *rpc;
           char dummy;
   
           args4.cookie = argp->cookie;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
   
           if (nlm_do_test(&args4, &res4, rqstp, &rpc))
                   return (FALSE);
   
           res.cookie = res4.cookie;
           res.stat.stat = nlm_convert_to_nlm_stats(res4.stat.stat);
           if (res.stat.stat == nlm_denied)
                   nlm_convert_to_nlm_holder(
                           &res.stat.nlm_testrply_u.holder,
                           &res4.stat.nlm4_testrply_u.holder);
   
           if (rpc) {
                   nlm_test_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm_testres, &res);
   
           return (FALSE);
   }
   
   bool_t
   nlm_lock_msg_1_svc(struct nlm_lockargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_lockargs args4;
           nlm4_res res4;
           nlm_res res;
           CLIENT *rpc;
           char dummy;
   
           args4.cookie = argp->cookie;
           args4.block = argp->block;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
           args4.reclaim = argp->reclaim;
           args4.state = argp->state;
   
           if (nlm_do_lock(&args4, &res4, rqstp, TRUE, &rpc))
                   return (FALSE);
   
           nlm_convert_to_nlm_res(&res, &res4);
   
           if (rpc) {
                   nlm_lock_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm_res, &res);
   
           return (FALSE);
   }
   
   bool_t
   nlm_cancel_msg_1_svc(struct nlm_cancargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_cancargs args4;
           nlm4_res res4;
           nlm_res res;
           CLIENT *rpc;
           char dummy;
   
           args4.cookie = argp->cookie;
           args4.block = argp->block;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
   
           if (nlm_do_cancel(&args4, &res4, rqstp, &rpc))
                   return (FALSE);
   
           nlm_convert_to_nlm_res(&res, &res4);
   
           if (rpc) {
                   nlm_cancel_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm_res, &res);
   
           return (FALSE);
   }
   
   bool_t
   nlm_unlock_msg_1_svc(struct nlm_unlockargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_unlockargs args4;
           nlm4_res res4;
           nlm_res res;
           CLIENT *rpc;
           char dummy;
   
           args4.cookie = argp->cookie;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
   
           if (nlm_do_unlock(&args4, &res4, rqstp, &rpc))
                   return (FALSE);
   
           nlm_convert_to_nlm_res(&res, &res4);
   
           if (rpc) {
                   nlm_unlock_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm_res, &res);
   
           return (FALSE);
   }
   
   bool_t
   nlm_granted_msg_1_svc(struct nlm_testargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_testargs args4;
           nlm4_res res4;
           nlm_res res;
           CLIENT *rpc;
           char dummy;
   
           args4.cookie = argp->cookie;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
   
           if (nlm_do_granted(&args4, &res4, rqstp, &rpc))
                   return (FALSE);
   
           nlm_convert_to_nlm_res(&res, &res4);
   
           if (rpc) {
                   nlm_granted_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm_res, &res);
   
           return (FALSE);
   }
   
   bool_t
   nlm_test_res_1_svc(nlm_testres *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_testres args4;
   
           args4.cookie = argp->cookie;
           if (argp->stat.stat == nlm_denied)
                   nlm_convert_to_nlm4_holder(
                           &args4.stat.nlm4_testrply_u.holder,
                           &argp->stat.nlm_testrply_u.holder);
   
           return (nlm4_test_res_4_svc(&args4, result, rqstp));
   }
   
   bool_t
   nlm_lock_res_1_svc(nlm_res *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_res arg4;
   
           nlm_convert_to_nlm4_res(&arg4, argp);
           return (nlm4_lock_res_4_svc(&arg4, result, rqstp));
   }
   
   bool_t
   nlm_cancel_res_1_svc(nlm_res *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_res arg4;
   
           nlm_convert_to_nlm4_res(&arg4, argp);
           return (nlm4_cancel_res_4_svc(&arg4, result, rqstp));
   }
   
   bool_t
   nlm_unlock_res_1_svc(nlm_res *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_res arg4;
   
           nlm_convert_to_nlm4_res(&arg4, argp);
           return (nlm4_unlock_res_4_svc(&arg4, result, rqstp));
   }
   
   bool_t
   nlm_granted_res_1_svc(nlm_res *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_res arg4;
   
           nlm_convert_to_nlm4_res(&arg4, argp);
           return (nlm4_granted_res_4_svc(&arg4, result, rqstp));
   }
   
   int
   nlm_prog_1_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)
   {
   
           (void) xdr_free(xdr_result, result);
           return (TRUE);
   }
   
   bool_t
   nlm_share_3_svc(nlm_shareargs *argp, nlm_shareres *result, struct svc_req *rqstp)
   {
           bool_t retval;
           nlm4_shareargs args4;
           nlm4_shareres res4;
   
           args4.cookie = argp->cookie;
           nlm_convert_to_nlm4_share(&args4.share, &argp->share);
           args4.reclaim = argp->reclaim;
   
           retval = nlm4_share_4_svc(&args4, &res4, rqstp);
           if (retval) {
                   result->cookie = res4.cookie;
                   result->stat = nlm_convert_to_nlm_stats(res4.stat);
                   result->sequence = res4.sequence;
           }
   
           return (retval);
   }
   
   bool_t
   nlm_unshare_3_svc(nlm_shareargs *argp, nlm_shareres *result, struct svc_req *rqstp)
   {
           bool_t retval;
           nlm4_shareargs args4;
           nlm4_shareres res4;
   
           args4.cookie = argp->cookie;
           nlm_convert_to_nlm4_share(&args4.share, &argp->share);
           args4.reclaim = argp->reclaim;
   
           retval = nlm4_unshare_4_svc(&args4, &res4, rqstp);
           if (retval) {
                   result->cookie = res4.cookie;
                   result->stat = nlm_convert_to_nlm_stats(res4.stat);
                   result->sequence = res4.sequence;
           }
   
           return (retval);
   }
   
   bool_t
   nlm_nm_lock_3_svc(nlm_lockargs *argp, nlm_res *result, struct svc_req *rqstp)
   {
           bool_t retval;
           nlm4_lockargs args4;
           nlm4_res res4;
   
           args4.cookie = argp->cookie;
           args4.block = argp->block;
           args4.exclusive = argp->exclusive;
           nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
           args4.reclaim = argp->reclaim;
           args4.state = argp->state;
   
           retval = nlm4_nm_lock_4_svc(&args4, &res4, rqstp);
           if (retval)
                   nlm_convert_to_nlm_res(result, &res4);
   
           return (retval);
   }
   
   bool_t
   nlm_free_all_3_svc(nlm_notify *argp, void *result, struct svc_req *rqstp)
   {
           struct nlm4_notify args4;
   
           args4.name = argp->name;
           args4.state = argp->state;
   
           return (nlm4_free_all_4_svc(&args4, result, rqstp));
   }
   
   int
   nlm_prog_3_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)
   {
   
           (void) xdr_free(xdr_result, result);
           return (TRUE);
   }
   
   bool_t
   nlm4_test_4_svc(nlm4_testargs *argp, nlm4_testres *result, struct svc_req *rqstp)
   {
   
           nlm_do_test(argp, result, rqstp, NULL);
           return (TRUE);
   }
   
   bool_t
   nlm4_lock_4_svc(nlm4_lockargs *argp, nlm4_res *result, struct svc_req *rqstp)
   {
   
           nlm_do_lock(argp, result, rqstp, TRUE, NULL);
           return (TRUE);
   }
   
   bool_t
   nlm4_cancel_4_svc(nlm4_cancargs *argp, nlm4_res *result, struct svc_req *rqstp)
   {
   
           nlm_do_cancel(argp, result, rqstp, NULL);
           return (TRUE);
   }
   
   bool_t
   nlm4_unlock_4_svc(nlm4_unlockargs *argp, nlm4_res *result, struct svc_req *rqstp)
   {
   
           nlm_do_unlock(argp, result, rqstp, NULL);
           return (TRUE);
   }
   
   bool_t
   nlm4_granted_4_svc(nlm4_testargs *argp, nlm4_res *result, struct svc_req *rqstp)
   {
   
           nlm_do_granted(argp, result, rqstp, NULL);
           return (TRUE);
   }
   
   bool_t
   nlm4_test_msg_4_svc(nlm4_testargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_testres res4;
           CLIENT *rpc;
           char dummy;
   
           if (nlm_do_test(argp, &res4, rqstp, &rpc))
                   return (FALSE);
           if (rpc) {
                   nlm4_test_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm4_testres, &res4);
   
           return (FALSE);
   }
   
   bool_t
   nlm4_lock_msg_4_svc(nlm4_lockargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_res res4;
           CLIENT *rpc;
           char dummy;
   
           if (nlm_do_lock(argp, &res4, rqstp, TRUE, &rpc))
                   return (FALSE);
           if (rpc) {
                   nlm4_lock_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm4_res, &res4);
   
           return (FALSE);
   }
   
   bool_t
   nlm4_cancel_msg_4_svc(nlm4_cancargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_res res4;
           CLIENT *rpc;
           char dummy;
   
           if (nlm_do_cancel(argp, &res4, rqstp, &rpc))
                   return (FALSE);
           if (rpc) {
                   nlm4_cancel_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm4_res, &res4);
   
           return (FALSE);
   }
   
   bool_t
   nlm4_unlock_msg_4_svc(nlm4_unlockargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_res res4;
           CLIENT *rpc;
           char dummy;
   
           if (nlm_do_unlock(argp, &res4, rqstp, &rpc))
                   return (FALSE);
           if (rpc) {
                   nlm4_unlock_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm4_res, &res4);
   
           return (FALSE);
   }
   
   bool_t
   nlm4_granted_msg_4_svc(nlm4_testargs *argp, void *result, struct svc_req *rqstp)
   {
           nlm4_res res4;
           CLIENT *rpc;
           char dummy;
   
           if (nlm_do_granted(argp, &res4, rqstp, &rpc))
                   return (FALSE);
           if (rpc) {
                   nlm4_granted_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
                   CLNT_RELEASE(rpc);
           }
           xdr_free((xdrproc_t) xdr_nlm4_res, &res4);
   
           return (FALSE);
   }
   
   bool_t
   nlm4_test_res_4_svc(nlm4_testres *argp, void *result, struct svc_req *rqstp)
   {
   
           return (FALSE);
   }
   
   bool_t
   nlm4_lock_res_4_svc(nlm4_res *argp, void *result, struct svc_req *rqstp)
   {
   
           return (FALSE);
   }
   
   bool_t
   nlm4_cancel_res_4_svc(nlm4_res *argp, void *result, struct svc_req *rqstp)
   {
   
           return (FALSE);
   }
   
   bool_t
   nlm4_unlock_res_4_svc(nlm4_res *argp, void *result, struct svc_req *rqstp)
   {
   
           return (FALSE);
   }
   
   bool_t
   nlm4_granted_res_4_svc(nlm4_res *argp, void *result, struct svc_req *rqstp)
   {
   
           nlm_do_granted_res(argp, rqstp);
           return (FALSE);
   }
   
   bool_t
   nlm4_share_4_svc(nlm4_shareargs *argp, nlm4_shareres *result, struct svc_req *rqstp)
   {
   
           memset(result, 0, sizeof(*result));
           result->stat = nlm4_denied;
           return (TRUE);
   }
   
   bool_t
   nlm4_unshare_4_svc(nlm4_shareargs *argp, nlm4_shareres *result, struct svc_req *rqstp)
   {
   
           memset(result, 0, sizeof(*result));
           result->stat = nlm4_denied;
           return (TRUE);
   }
   
   bool_t
   nlm4_nm_lock_4_svc(nlm4_lockargs *argp, nlm4_res *result, struct svc_req *rqstp)
   {
   
           nlm_do_lock(argp, result, rqstp, FALSE, NULL);
           return (TRUE);
   }
   
   bool_t
   nlm4_free_all_4_svc(nlm4_notify *argp, void *result, struct svc_req *rqstp)
   {
   
           nlm_do_free_all(argp);
           return (TRUE);
   }
   
   int
   nlm_prog_4_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)
   {
   
           (void) xdr_free(xdr_result, result);
           return (TRUE);
   }

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