utils/mountd/mount_dispatch.c

   1 /*
   2  * mount_dispatch       This file contains the function dispatch table.
   3  *
   4  * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
   5  */
   6
   7 #ifdef HAVE_CONFIG_H
   8 #include <config.h>
   9 #endif
  10
  11 #ifdef HAVE_TCP_WRAPPER
  12 #include "tcpwrapper.h"
  13 #endif
  14
  15 #include "mountd.h"
  16 #include "rpcmisc.h"
  17
  18 /*
  19  * Procedures for MNTv1
  20  */
  21 static struct rpc_dentry mnt_1_dtable[] = {
  22         dtable_ent(mount_null,1,void,void),             /* NULL */
  23         dtable_ent(mount_mnt,1,dirpath,fhstatus),       /* MNT */
  24         dtable_ent(mount_dump,1,void,mountlist),        /* DUMP */
  25         dtable_ent(mount_umnt,1,dirpath,void),          /* UMNT */
  26         dtable_ent(mount_umntall,1,void,void),          /* UMNTALL */
  27         dtable_ent(mount_export,1,void,exports),        /* EXPORT */
  28         dtable_ent(mount_exportall,1,void,exports),     /* EXPORTALL */
  29 };
  30
  31 /*
  32  * Procedures for MNTv2
  33  */
  34 static struct rpc_dentry mnt_2_dtable[] = {
  35         dtable_ent(mount_null,1,void,void),             /* NULL */
  36         dtable_ent(mount_mnt,1,dirpath,fhstatus),       /* MNT */
  37         dtable_ent(mount_dump,1,void,mountlist),        /* DUMP */
  38         dtable_ent(mount_umnt,1,dirpath,void),          /* UMNT */
  39         dtable_ent(mount_umntall,1,void,void),          /* UMNTALL */
  40         dtable_ent(mount_export,1,void,exports),        /* EXPORT */
  41         dtable_ent(mount_exportall,1,void,exports),     /* EXPORTALL */
  42         dtable_ent(mount_pathconf,2,dirpath,ppathcnf),  /* PATHCONF */
  43 };
  44
  45 /*
  46  * Procedures for MNTv3
  47  */
  48 static struct rpc_dentry mnt_3_dtable[] = {
  49         dtable_ent(mount_null,1,void,void),             /* NULL */
  50         dtable_ent(mount_mnt,3,dirpath,mountres3),      /* MNT */
  51         dtable_ent(mount_dump,1,void,mountlist),        /* DUMP */
  52         dtable_ent(mount_umnt,1,dirpath,void),          /* UMNT */
  53         dtable_ent(mount_umntall,1,void,void),          /* UMNTALL */
  54         dtable_ent(mount_export,1,void,exports),        /* EXPORT */
  55 };
  56
  57 #define number_of(x)    (sizeof(x)/sizeof(x[0]))
  58
  59 static struct rpc_dtable        dtable[] = {
  60         { mnt_1_dtable,         number_of(mnt_1_dtable) },
  61         { mnt_2_dtable,         number_of(mnt_2_dtable) },
  62         { mnt_3_dtable,         number_of(mnt_3_dtable) },
  63 };
  64
  65 /*
  66  * The main dispatch routine.
  67  */
  68 void
  69 mount_dispatch(struct svc_req *rqstp, SVCXPRT *transp)
  70 {
  71         union mountd_arguments  argument;
  72         union mountd_results    result;
  73 #ifdef HAVE_TCP_WRAPPER
  74         struct sockaddr_in *sin = nfs_getrpccaller_in(transp);
  75
  76         /* remote host authorization check */
  77         if (sin->sin_family == AF_INET &&
  78             !check_default("mountd", sin, MOUNTPROG)) {
  79                 svcerr_auth (transp, AUTH_FAILED);
  80                 return;
  81         }
  82 #endif
  83
  84         rpc_dispatch(rqstp, transp, dtable, number_of(dtable),
  85                         &argument, &result);
  86 }