contrib/amd/amd/amq_svc.c

   1 /*
   2  * Copyright (c) 1997-1999 Erez Zadok
   3  * Copyright (c) 1990 Jan-Simon Pendry
   4  * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
   5  * Copyright (c) 1990 The Regents of the University of California.
   6  * All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Jan-Simon Pendry at Imperial College, London.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. All advertising materials mentioning features or use of this software
  20  *    must display the following acknowledgment:
  21  *      This product includes software developed by the University of
  22  *      California, Berkeley and its contributors.
  23  * 4. Neither the name of the University nor the names of its contributors
  24  *    may be used to endorse or promote products derived from this software
  25  *    without specific prior written permission.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  30  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  37  * SUCH DAMAGE.
  38  *
  39  *      %W% (Berkeley) %G%
  40  *
  41  * $Id: amq_svc.c,v 1.3 1999/08/24 21:31:06 ezk Exp $
  42  *
  43  */
  44
  45 #ifdef HAVE_CONFIG_H
  46 # include <config.h>
  47 #endif /* HAVE_CONFIG_H */
  48 #include <am_defs.h>
  49 #include <amd.h>
  50
  51 /* typedefs */
  52 typedef char *(*amqsvcproc_t)(voidp, struct svc_req *);
  53
  54
  55 void
  56 amq_program_1(struct svc_req *rqstp, SVCXPRT *transp)
  57 {
  58   union {
  59     amq_string amqproc_mnttree_1_arg;
  60     amq_string amqproc_umnt_1_arg;
  61     amq_setopt amqproc_setopt_1_arg;
  62 #ifdef ENABLE_AMQ_MOUNT
  63     amq_string amqproc_mount_1_arg;
  64 #endif /* ENABLE_AMQ_MOUNT */
  65   } argument;
  66   char *result;
  67   xdrproc_t xdr_argument, xdr_result;
  68   amqsvcproc_t local;
  69
  70   switch (rqstp->rq_proc) {
  71
  72   case AMQPROC_NULL:
  73     xdr_argument = (xdrproc_t) xdr_void;
  74     xdr_result = (xdrproc_t) xdr_void;
  75     local = (amqsvcproc_t) amqproc_null_1_svc;
  76     break;
  77
  78   case AMQPROC_MNTTREE:
  79     xdr_argument = (xdrproc_t) xdr_amq_string;
  80     xdr_result = (xdrproc_t) xdr_amq_mount_tree_p;
  81     local = (amqsvcproc_t) amqproc_mnttree_1_svc;
  82     break;
  83
  84   case AMQPROC_UMNT:
  85     xdr_argument = (xdrproc_t) xdr_amq_string;
  86     xdr_result = (xdrproc_t) xdr_void;
  87     local = (amqsvcproc_t) amqproc_umnt_1_svc;
  88     break;
  89
  90   case AMQPROC_STATS:
  91     xdr_argument = (xdrproc_t) xdr_void;
  92     xdr_result = (xdrproc_t) xdr_amq_mount_stats;
  93     local = (amqsvcproc_t) amqproc_stats_1_svc;
  94     break;
  95
  96   case AMQPROC_EXPORT:
  97     xdr_argument = (xdrproc_t) xdr_void;
  98     xdr_result = (xdrproc_t) xdr_amq_mount_tree_list;
  99     local = (amqsvcproc_t) amqproc_export_1_svc;
 100     break;
 101
 102   case AMQPROC_SETOPT:
 103     xdr_argument = (xdrproc_t) xdr_amq_setopt;
 104     xdr_result = (xdrproc_t) xdr_int;
 105     local = (amqsvcproc_t) amqproc_setopt_1_svc;
 106     break;
 107
 108   case AMQPROC_GETMNTFS:
 109     xdr_argument = (xdrproc_t) xdr_void;
 110     xdr_result = (xdrproc_t) xdr_amq_mount_info_qelem;
 111     local = (amqsvcproc_t) amqproc_getmntfs_1_svc;
 112     break;
 113
 114 #ifdef ENABLE_AMQ_MOUNT
 115   case AMQPROC_MOUNT:
 116     xdr_argument = (xdrproc_t) xdr_amq_string;
 117     xdr_result = (xdrproc_t) xdr_int;
 118     local = (amqsvcproc_t) amqproc_mount_1_svc;
 119     break;
 120 #endif /* ENABLE_AMQ_MOUNT */
 121
 122   case AMQPROC_GETVERS:
 123     xdr_argument = (xdrproc_t) xdr_void;
 124     xdr_result = (xdrproc_t) xdr_amq_string;
 125     local = (amqsvcproc_t) amqproc_getvers_1_svc;
 126     break;
 127
 128   case AMQPROC_GETPID:
 129     xdr_argument = (xdrproc_t) xdr_void;
 130     xdr_result = (xdrproc_t) xdr_int;
 131     local = (amqsvcproc_t) amqproc_getpid_1_svc;
 132     break;
 133
 134   default:
 135     svcerr_noproc(transp);
 136     return;
 137   }
 138
 139   memset((char *) &argument, 0, sizeof(argument));
 140   if (!svc_getargs(transp,
 141                    (XDRPROC_T_TYPE) xdr_argument,
 142                    (SVC_IN_ARG_TYPE) & argument)) {
 143     svcerr_decode(transp);
 144     return;
 145   }
 146
 147   result = (*local) (&argument, rqstp);
 148
 149   if (result != NULL && !svc_sendreply(transp,
 150                                        (XDRPROC_T_TYPE) xdr_result,
 151                                        result)) {
 152     svcerr_systemerr(transp);
 153   }
 154
 155   if (!svc_freeargs(transp,
 156                     (XDRPROC_T_TYPE) xdr_argument,
 157                     (SVC_IN_ARG_TYPE) & argument)) {
 158     plog(XLOG_FATAL, "unable to free rpc arguments in amqprog_1");
 159     going_down(1);
 160   }
 161 }