external/bsd/am-utils/dist/amd/ops_cdfs.c

   1 /*      $NetBSD: ops_cdfs.c,v 1.1.1.2 2009/03/20 20:26:49 christos Exp $        */
   2
   3 /*
   4  * Copyright (c) 1997-2009 Erez Zadok
   5  * Copyright (c) 1990 Jan-Simon Pendry
   6  * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
   7  * Copyright (c) 1990 The Regents of the University of California.
   8  * All rights reserved.
   9  *
  10  * This code is derived from software contributed to Berkeley by
  11  * Jan-Simon Pendry at Imperial College, London.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. All advertising materials mentioning features or use of this software
  22  *    must display the following acknowledgment:
  23  *      This product includes software developed by the University of
  24  *      California, Berkeley and its contributors.
  25  * 4. Neither the name of the University nor the names of its contributors
  26  *    may be used to endorse or promote products derived from this software
  27  *    without specific prior written permission.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  *
  41  *
  42  * File: am-utils/amd/ops_cdfs.c
  43  *
  44  */
  45
  46 /*
  47  * High Sierra (CD-ROM) file system
  48  */
  49
  50 #ifdef HAVE_CONFIG_H
  51 # include <config.h>
  52 #endif /* HAVE_CONFIG_H */
  53 #include <am_defs.h>
  54 #include <amd.h>
  55
  56 /* forward declarations */
  57 static char *cdfs_match(am_opts *fo);
  58 static int cdfs_mount(am_node *am, mntfs *mf);
  59 static int cdfs_umount(am_node *am, mntfs *mf);
  60
  61 /*
  62  * Ops structure
  63  */
  64 am_ops cdfs_ops =
  65 {
  66   "cdfs",
  67   cdfs_match,
  68   0,                            /* cdfs_init */
  69   cdfs_mount,
  70   cdfs_umount,
  71   amfs_error_lookup_child,
  72   amfs_error_mount_child,
  73   amfs_error_readdir,
  74   0,                            /* cdfs_readlink */
  75   0,                            /* cdfs_mounted */
  76   0,                            /* cdfs_umounted */
  77   amfs_generic_find_srvr,
  78   0,                            /* cdfs_get_wchan */
  79   FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO,       /* nfs_fs_flags */
  80 #ifdef HAVE_FS_AUTOFS
  81   AUTOFS_CDFS_FS_FLAGS,
  82 #endif /* HAVE_FS_AUTOFS */
  83 };
  84
  85
  86 /*
  87  * CDFS needs remote filesystem.
  88  */
  89 static char *
  90 cdfs_match(am_opts *fo)
  91 {
  92   if (!fo->opt_dev) {
  93     plog(XLOG_USER, "cdfs: no source device specified");
  94     return 0;
  95   }
  96   dlog("CDFS: mounting device \"%s\" on \"%s\"",
  97        fo->opt_dev, fo->opt_fs);
  98
  99   /*
 100    * Determine magic cookie to put in mtab
 101    */
 102   return strdup(fo->opt_dev);
 103 }
 104
 105
 106 static int
 107 mount_cdfs(char *mntdir, char *fs_name, char *opts, int on_autofs)
 108 {
 109   cdfs_args_t cdfs_args;
 110   mntent_t mnt;
 111   int genflags, cdfs_flags, retval;
 112
 113   /*
 114    * Figure out the name of the file system type.
 115    */
 116   MTYPE_TYPE type = MOUNT_TYPE_CDFS;
 117
 118   memset((voidp) &cdfs_args, 0, sizeof(cdfs_args)); /* Paranoid */
 119   cdfs_flags = 0;
 120
 121   /*
 122    * Fill in the mount structure
 123    */
 124   memset((voidp) &mnt, 0, sizeof(mnt));
 125   mnt.mnt_dir = mntdir;
 126   mnt.mnt_fsname = fs_name;
 127   mnt.mnt_type = MNTTAB_TYPE_CDFS;
 128   mnt.mnt_opts = opts;
 129
 130 #if defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM)
 131   if (amu_hasmntopt(&mnt, MNTTAB_OPT_DEFPERM))
 132 # ifdef MNT2_CDFS_OPT_DEFPERM
 133     cdfs_flags |= MNT2_CDFS_OPT_DEFPERM;
 134 # else /* not MNT2_CDFS_OPT_DEFPERM */
 135     cdfs_flags &= ~MNT2_CDFS_OPT_NODEFPERM;
 136 # endif /* not MNT2_CDFS_OPT_DEFPERM */
 137 #endif /* defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM) */
 138
 139 #if defined(MNT2_CDFS_OPT_NODEFPERM) && defined(MNTTAB_OPT_NODEFPERM)
 140   if (amu_hasmntopt(&mnt, MNTTAB_OPT_NODEFPERM))
 141     cdfs_flags |= MNT2_CDFS_OPT_NODEFPERM;
 142 #endif /* MNTTAB_OPT_NODEFPERM */
 143
 144 #if defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION)
 145   if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOVERSION))
 146     cdfs_flags |= MNT2_CDFS_OPT_NOVERSION;
 147 #endif /* defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION) */
 148
 149 #if defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP)
 150   if (amu_hasmntopt(&mnt, MNTTAB_OPT_RRIP))
 151     cdfs_flags |= MNT2_CDFS_OPT_RRIP;
 152 #endif /* defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP) */
 153
 154 #if defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP)
 155   if (amu_hasmntopt(&mnt, MNTTAB_OPT_NORRIP))
 156     cdfs_flags |= MNT2_CDFS_OPT_NORRIP;
 157 #endif /* defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP) */
 158
 159 #if defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS)
 160   if (amu_hasmntopt(&mnt, MNTTAB_OPT_GENS))
 161     cdfs_flags |= MNT2_CDFS_OPT_GENS;
 162 #endif /* defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS) */
 163
 164 #if defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT)
 165   if (amu_hasmntopt(&mnt, MNTTAB_OPT_EXTATT))
 166     cdfs_flags |= MNT2_CDFS_OPT_EXTATT;
 167 #endif /* defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT) */
 168
 169 #if defined(MNT2_CDFS_OPT_NOCASETRANS) && defined(MNTTAB_OPT_NOCASETRANS)
 170   if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOCASETRANS))
 171     cdfs_flags |= MNT2_CDFS_OPT_NOCASETRANS;
 172 #endif /* defined(MNT2_CDFS_OPT_NOCASETRANS) && defined(MNTTAB_OPT_NOCASETRANS) */
 173
 174 #if defined(MNT2_CDFS_OPT_NOJOLIET) && defined(MNTTAB_OPT_NOJOLIET)
 175   if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOJOLIET))
 176     cdfs_flags |= MNT2_CDFS_OPT_NOJOLIET;
 177 #endif /* defined(MNT2_CDFS_OPT_NOJOLIET) && defined(MNTTAB_OPT_NOJOLIET) */
 178
 179 #if defined(MNT2_CDFS_OPT_RRCASEINS) && defined(MNTTAB_OPT_RRCASEINS)
 180   if (amu_hasmntopt(&mnt, MNTTAB_OPT_RRCASEINS))
 181     cdfs_flags |= MNT2_CDFS_OPT_RRCASEINS;
 182 #endif /* defined(MNT2_CDFS_OPT_RRCASEINS) && defined(MNTTAB_OPT_RRCASEINS) */
 183
 184   genflags = compute_mount_flags(&mnt);
 185 #ifdef HAVE_FS_AUTOFS
 186   if (on_autofs)
 187     genflags |= autofs_compute_mount_flags(&mnt);
 188 #endif /* HAVE_FS_AUTOFS */
 189
 190 #ifdef HAVE_CDFS_ARGS_T_FLAGS
 191   cdfs_args.flags = cdfs_flags;
 192 #endif /* HAVE_CDFS_ARGS_T_FLAGS */
 193
 194 #ifdef HAVE_CDFS_ARGS_T_ISO_FLAGS
 195   cdfs_args.iso_flags = genflags | cdfs_flags;
 196 #endif /* HAVE_CDFS_ARGS_T_ISO_FLAGS */
 197
 198 #ifdef HAVE_CDFS_ARGS_T_ISO_PGTHRESH
 199   cdfs_args.iso_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH);
 200 #endif /* HAVE_CDFS_ARGS_T_ISO_PGTHRESH */
 201
 202 #ifdef HAVE_CDFS_ARGS_T_NORRIP
 203   /* XXX: need to provide norrip mount opt */
 204   cdfs_args.norrip = 0;         /* use Rock-Ridge Protocol extensions */
 205 #endif /* HAVE_CDFS_ARGS_T_NORRIP */
 206
 207 #ifdef HAVE_CDFS_ARGS_T_SSECTOR
 208   /* XXX: need to provide ssector mount option */
 209   cdfs_args.ssector = 0;        /* use 1st session on disk */
 210 #endif /* HAVE_CDFS_ARGS_T_SSECTOR */
 211
 212 #ifdef HAVE_CDFS_ARGS_T_FSPEC
 213   cdfs_args.fspec = fs_name;
 214 #endif /* HAVE_CDFS_ARGS_T_FSPEC */
 215
 216   /*
 217    * Call generic mount routine
 218    */
 219   retval = mount_fs(&mnt, genflags, (caddr_t) &cdfs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs);
 220
 221   return retval;
 222 }
 223
 224
 225 static int
 226 cdfs_mount(am_node *am, mntfs *mf)
 227 {
 228   int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
 229   int error;
 230
 231   error = mount_cdfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs);
 232   if (error) {
 233     errno = error;
 234     plog(XLOG_ERROR, "mount_cdfs: %m");
 235     return error;
 236   }
 237   return 0;
 238 }
 239
 240
 241 static int
 242 cdfs_umount(am_node *am, mntfs *mf)
 243 {
 244   int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0;
 245
 246   return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags);
 247 }