text: /*
   * Copyright (c) 1997-1999 Erez Zadok
   * Copyright (c) 1990 Jan-Simon Pendry
   * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
   * Copyright (c) 1990 The Regents of the University of California.
   * All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Jan-Simon Pendry at Imperial College, London.
   *
   * 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.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgment:
   *      This product includes software developed by the University of
   *      California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
   *
   *      %W% (Berkeley) %G%
   *
   * $Id: ops_cdfs.c,v 1.3 1999/03/30 17:22:46 ezk Exp $
   *
   */
  
  /*
   * High Sierra (CD-ROM) file system
   */
  
  #ifdef HAVE_CONFIG_H
  # include <config.h>
  #endif /* HAVE_CONFIG_H */
  #include <am_defs.h>
  #include <amd.h>
  
  /* forward declarations */
  static char *cdfs_match(am_opts *fo);
  static int cdfs_fmount(mntfs *mf);
  static int cdfs_fumount(mntfs *mf);
  
  /*
   * Ops structure
   */
  am_ops cdfs_ops =
  {
    "cdfs",
    cdfs_match,
    0,				/* cdfs_init */
    amfs_auto_fmount,
    cdfs_fmount,
    amfs_auto_fumount,
    cdfs_fumount,
    amfs_error_lookuppn,
    amfs_error_readdir,
    0,				/* cdfs_readlink */
    0,				/* cdfs_mounted */
    0,				/* cdfs_umounted */
    find_amfs_auto_srvr,
    FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO
  };
  
  
  /*
   * CDFS needs remote filesystem.
   */
  static char *
  cdfs_match(am_opts *fo)
  {
    if (!fo->opt_dev) {
      plog(XLOG_USER, "cdfs: no source device specified");
      return 0;
    }
  #ifdef DEBUG
    dlog("CDFS: mounting device \"%s\" on \"%s\"",
         fo->opt_dev, fo->opt_fs);
  #endif /* DEBUG */
  
    /*
     * Determine magic cookie to put in mtab
     */
    return strdup(fo->opt_dev);
  }
  
  
  static int
  mount_cdfs(char *dir, char *fs_name, char *opts)
  {
    cdfs_args_t cdfs_args;
    mntent_t mnt;
    int genflags, cdfs_flags;
  
    /*
     * Figure out the name of the file system type.
     */
    MTYPE_TYPE type = MOUNT_TYPE_CDFS;
  
    memset((voidp) &cdfs_args, 0, sizeof(cdfs_args)); /* Paranoid */
    cdfs_flags = 0;
  
    /*
     * Fill in the mount structure
     */
    memset((voidp) &mnt, 0, sizeof(mnt));
    mnt.mnt_dir = dir;
    mnt.mnt_fsname = fs_name;
    mnt.mnt_type = MNTTAB_TYPE_CDFS;
    mnt.mnt_opts = opts;
  
  #if defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM)
    if (hasmntopt(&mnt, MNTTAB_OPT_DEFPERM))
  # ifdef MNT2_CDFS_OPT_DEFPERM
      cdfs_flags |= MNT2_CDFS_OPT_DEFPERM;
  # else /* not MNT2_CDFS_OPT_DEFPERM */
      cdfs_flags &= ~MNT2_CDFS_OPT_NODEFPERM;
  # endif /* not MNT2_CDFS_OPT_DEFPERM */
  #endif /* defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM) */
  
  #if defined(MNT2_CDFS_OPT_NODEFPERM) && defined(MNTTAB_OPT_NODEFPERM)
    if (hasmntopt(&mnt, MNTTAB_OPT_NODEFPERM))
      cdfs_flags |= MNT2_CDFS_OPT_NODEFPERM;
  #endif /* MNTTAB_OPT_NODEFPERM */
  
  #if defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION)
    if (hasmntopt(&mnt, MNTTAB_OPT_NOVERSION))
      cdfs_flags |= MNT2_CDFS_OPT_NOVERSION;
  #endif /* defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION) */
  
  #if defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP)
    if (hasmntopt(&mnt, MNTTAB_OPT_RRIP))
      cdfs_flags |= MNT2_CDFS_OPT_RRIP;
  #endif /* defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP) */
  #if defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP)
    if (hasmntopt(&mnt, MNTTAB_OPT_NORRIP))
      cdfs_flags |= MNT2_CDFS_OPT_NORRIP;
  #endif /* defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP) */
  
  #if defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS)
    if (hasmntopt(&mnt, MNTTAB_OPT_GENS))
      cdfs_flags |= MNT2_CDFS_OPT_GENS;
  #endif /* defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS) */
  #if defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT)
    if (hasmntopt(&mnt, MNTTAB_OPT_EXTATT))
      cdfs_flags |= MNT2_CDFS_OPT_EXTATT;
  #endif /* defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT) */
  
    genflags = compute_mount_flags(&mnt);
  
  #ifdef HAVE_FIELD_CDFS_ARGS_T_FLAGS
    cdfs_args.flags = cdfs_flags;
  #endif /* HAVE_FIELD_CDFS_ARGS_T_FLAGS */
  
  #ifdef HAVE_FIELD_CDFS_ARGS_T_ISO_FLAGS
    cdfs_args.iso_flags = genflags | cdfs_flags;
  #endif /* HAVE_FIELD_CDFS_ARGS_T_ISO_FLAGS */
  
  #ifdef HAVE_FIELD_CDFS_ARGS_T_ISO_PGTHRESH
    cdfs_args.iso_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH);
  #endif /* HAVE_FIELD_CDFS_ARGS_T_ISO_PGTHRESH */
  
  #ifdef HAVE_FIELD_CDFS_ARGS_T_FSPEC
    cdfs_args.fspec = fs_name;
  #endif /* HAVE_FIELD_CDFS_ARGS_T_FSPEC */
  
  #ifdef HAVE_FIELD_CDFS_ARGS_T_NORRIP
    /* XXX: need to provide norrip mount opt */
    cdfs_args.norrip = 0;		/* use Rock-Ridge Protocol extensions */
  #endif /* HAVE_FIELD_CDFS_ARGS_T_NORRIP */
  
  #ifdef HAVE_FIELD_CDFS_ARGS_T_SSECTOR
    /* XXX: need to provide ssector mount option */
    cdfs_args.ssector = 0;	/* use 1st session on disk */
  #endif /* HAVE_FIELD_CDFS_ARGS_T_SSECTOR */
  
    /*
     * Call generic mount routine
     */
    return mount_fs(&mnt, genflags, (caddr_t) &cdfs_args, 0, type, 0, NULL, mnttab_file_name);
  }
  
  
  static int
  cdfs_fmount(mntfs *mf)
  {
    int error;
  
    error = mount_cdfs(mf->mf_mount, mf->mf_info, mf->mf_mopts);
    if (error) {
      errno = error;
      plog(XLOG_ERROR, "mount_cdfs: %m");
      return error;
    }
    return 0;
  }
  
  
  static int
  cdfs_fumount(mntfs *mf)
  {
    return UMOUNT_FS(mf->mf_mount, mnttab_file_name);
  }
  