getnetconfig.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
    5  * Authors: Doug Rabson <dfr@rabson.org>
    6  * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  */
   29 
   30 #include "opt_inet6.h"
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD$");
   34 
   35 #include <sys/param.h>
   36 #include <sys/malloc.h>
   37 #include <sys/systm.h>
   38 
   39 #include <rpc/types.h>
   40 
   41 /*
   42  * For in-kernel use, we use a simple compiled-in configuration.
   43  */
   44 
   45 static struct netconfig netconfigs[] = {
   46 #ifdef INET6
   47         {
   48                 .nc_netid =     "udp6",
   49                 .nc_semantics = NC_TPI_CLTS,
   50                 .nc_flag =      NC_VISIBLE,
   51                 .nc_protofmly = "inet6",
   52                 .nc_proto =     "udp",
   53         },
   54         {
   55                 .nc_netid =     "tcp6",
   56                 .nc_semantics = NC_TPI_COTS_ORD,
   57                 .nc_flag =      NC_VISIBLE,
   58                 .nc_protofmly = "inet6",
   59                 .nc_proto =     "tcp",
   60         },
   61 #endif  
   62         {
   63                 .nc_netid =     "udp",
   64                 .nc_semantics = NC_TPI_CLTS,
   65                 .nc_flag =      NC_VISIBLE,
   66                 .nc_protofmly = "inet",
   67                 .nc_proto =     "udp",
   68         },
   69         {
   70                 .nc_netid =     "tcp",
   71                 .nc_semantics = NC_TPI_COTS_ORD,
   72                 .nc_flag =      NC_VISIBLE,
   73                 .nc_protofmly = "inet",
   74                 .nc_proto =     "tcp",
   75         },
   76         {
   77                 .nc_netid =     "local",
   78                 .nc_semantics = NC_TPI_COTS_ORD,
   79                 .nc_flag =      0,
   80                 .nc_protofmly = "loopback",
   81                 .nc_proto =     "",
   82         },
   83         {
   84                 .nc_netid =     NULL,
   85         }
   86 };
   87 
   88 void *
   89 setnetconfig(void)
   90 {
   91         struct netconfig **nconfp;
   92 
   93         nconfp = malloc(sizeof(struct netconfig *), M_RPC, M_WAITOK);
   94         *nconfp = netconfigs;
   95 
   96         return ((void *) nconfp);
   97 }
   98 
   99 struct netconfig *
  100 getnetconfig(void *handle)
  101 {
  102         struct netconfig **nconfp = (struct netconfig **) handle;
  103         struct netconfig *nconf;
  104 
  105         nconf = *nconfp;
  106         if (nconf->nc_netid == NULL)
  107                 return (NULL);
  108 
  109         (*nconfp)++;
  110 
  111         return (nconf);
  112 }
  113 
  114 struct netconfig *
  115 getnetconfigent(const char *netid)
  116 {
  117         struct netconfig *nconf;
  118 
  119         for (nconf = netconfigs; nconf->nc_netid; nconf++) {
  120                 if (!strcmp(netid, nconf->nc_netid))
  121                         return (nconf);
  122         }
  123 
  124         return (NULL);
  125 }
  126 
  127 void
  128 freenetconfigent(struct netconfig *nconf)
  129 {
  130 
  131 }
  132 
  133 int
  134 endnetconfig(void * handle)
  135 {
  136         struct netconfig **nconfp = (struct netconfig **) handle;
  137 
  138         free(nconfp, M_RPC);
  139         return (0);
  140 }

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FreeBSD/Linux Kernel Cross Reference sys/rpc/getnetconfig.c

FreeBSD/Linux Kernel Cross Reference
sys/rpc/getnetconfig.c