external/bsd/am-utils/dist/conf/mount/mount_svr4.c

   1 /*      $NetBSD$        */
   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/conf/mount/mount_svr4.c
  43  *
  44  */
  45
  46 /*
  47  * SVR4:
  48  * Solaris 2.x (SunOS 5.x) and HPUX-11 Mount helper.
  49  *      -Erez Zadok <ezk@cs.columbia.edu>
  50  */
  51
  52 #ifdef HAVE_CONFIG_H
  53 # include <config.h>
  54 #endif /* HAVE_CONFIG_H */
  55 #include <am_defs.h>
  56 #include <amu.h>
  57
  58
  59 /*
  60  * On Solaris 8 with in-kernel mount table, pass mount options to kernel to
  61  * have them evaluated.  They will also show up in /etc/mnttab.
  62  */
  63 #if defined(MNT2_GEN_OPT_OPTIONSTR) && defined(MAX_MNTOPT_STR)
  64 # define sys_mount(fsname, dir, flags, type, data, datasize) \
  65         mount((fsname), (dir), (MNT2_GEN_OPT_OPTIONSTR | flags), (type), \
  66               (data), (datasize), mountopts, sizeof(mountopts))
  67 #else /* not defined(MNT2_GEN_OPT_OPTIONSTR) && defined(MAX_MNTOPT_STR) */
  68 # define sys_mount(fsname, dir, flags, type, data, datasize) \
  69         mount((fsname), (dir), (flags), (type), (data), (datasize))
  70 #endif /* not defined(MNT2_GEN_OPT_OPTIONSTR) && defined(MAX_MNTOPT_STR) */
  71
  72
  73 /*
  74  * Map from conventional mount arguments
  75  * to Solaris 2.x (SunOS 5.x) style arguments.
  76  */
  77 int
  78 mount_svr4(char *fsname, char *dir, int flags, MTYPE_TYPE type, caddr_t data, const char *optstr)
  79 {
  80 #if defined(MNT2_GEN_OPT_OPTIONSTR) && defined(MAX_MNTOPT_STR)
  81   char mountopts[MAX_MNTOPT_STR];
  82
  83   /*
  84    * Save a copy of the mount options.  The kernel will overwrite them with
  85    * those it recognizes.
  86    */
  87   xstrlcpy(mountopts, optstr, MAX_MNTOPT_STR);
  88 #endif /* defined(MNT2_GEN_OPT_OPTIONSTR) && defined(MAX_MNTOPT_STR) */
  89
  90 #if defined(MOUNT_TYPE_NFS3) && defined(MNTTAB_TYPE_NFS3)
  91   if (STREQ(type, MOUNT_TYPE_NFS3)) {
  92     return sys_mount(fsname, dir, (MNT2_GEN_OPT_DATA | flags),
  93                      type, (char *) data, sizeof(nfs_args_t));
  94   }
  95 #endif /* defined(MOUNT_TYPE_NFS3) && defined(MNTTAB_TYPE_NFS3) */
  96
  97 #if defined(MOUNT_TYPE_NFS) && defined(MNTTAB_TYPE_NFS)
  98   if (STREQ(type, MOUNT_TYPE_NFS)) {
  99     return sys_mount(fsname, dir, (MNT2_GEN_OPT_DATA | flags),
 100                      type, (char *) data, sizeof(nfs_args_t));
 101   }
 102 #endif /* defined(MOUNT_TYPE_NFS) && defined(MNTTAB_TYPE_NFS) */
 103
 104 #if defined(MOUNT_TYPE_AUTOFS) && defined(MNTTAB_TYPE_AUTOFS)
 105   if (STREQ(type, MOUNT_TYPE_AUTOFS)) {
 106     return sys_mount(fsname, dir, (MNT2_GEN_OPT_DATA | flags),
 107                      type, (char *) data, sizeof(autofs_args_t));
 108   }
 109 #endif /* defined(MOUNT_TYPE_AUTOFS) && defined(MNTTAB_TYPE_AUTOFS) */
 110
 111 #if defined(MOUNT_TYPE_UFS) && defined(MNTTAB_TYPE_UFS)
 112   if (STREQ(type, MOUNT_TYPE_UFS))
 113     return sys_mount(fsname, dir, (MNT2_GEN_OPT_DATA | flags),
 114                      type, (char *) data, sizeof(ufs_args_t));
 115 #endif /* defined(MOUNT_TYPE_UFS) && defined(MNTTAB_TYPE_UFS) */
 116
 117 #if defined(MOUNT_TYPE_PCFS) && defined(MNTTAB_TYPE_PCFS)
 118   if (STREQ(type, MOUNT_TYPE_PCFS))
 119     return sys_mount(fsname, dir, (MNT2_GEN_OPT_DATA | flags),
 120                      type, (char *) data, sizeof(pcfs_args_t));
 121 #endif /* defined(MOUNT_TYPE_PCFS) && defined(MNTTAB_TYPE_PCFS) */
 122
 123 #if defined(MOUNT_TYPE_CDFS) && defined(MNTTAB_TYPE_CDFS)
 124   /*
 125    * HSFS on Solaris allows for 3 HSFSMNT_* flags to be passed
 126    * as arguments to the mount().  These flags are bit fields in an
 127    * integer, and that integer is passed as the "data" of this system
 128    * call.  The flags are described in <sys/fs/hsfs_rrip.h>.  However,
 129    * Solaris does not have an interface to these.  It does not define
 130    * a structure hsfs_args or anything that one can figure out what
 131    * arguments to pass to mount(2) for this type of filesystem.
 132    * Therefore, until Sun does, no arguments are passed to this mount
 133    * below.
 134    * -Erez Zadok <ezk@cs.columbia.edu>.
 135    */
 136   if (STREQ(type, MOUNT_TYPE_CDFS))
 137     return sys_mount(fsname, dir, (MNT2_GEN_OPT_FSS | flags),
 138                      type, (char *) NULL, 0);
 139 #endif /* defined(MOUNT_TYPE_CDFS) && defined(MNTTAB_TYPE_CDFS) */
 140
 141 #if defined(MOUNT_TYPE_LOFS) && defined(MNTTAB_TYPE_LOFS)
 142   if (STREQ(type, MOUNT_TYPE_LOFS))
 143     return sys_mount(fsname, dir, (MNT2_GEN_OPT_FSS | flags),
 144                      type, (char *) NULL, 0);
 145 #endif /* defined(MOUNT_TYPE_LOFS) && defined(MNTTAB_TYPE_LOFS) */
 146
 147 #ifdef HAVE_FS_CACHEFS
 148 # if defined(MOUNT_TYPE_CACHEFS) && defined(MNTTAB_TYPE_CACHEFS)
 149   if (STREQ(type, MOUNT_TYPE_CACHEFS))
 150     return sys_mount(fsname, dir, (MNT2_GEN_OPT_DATA | flags),
 151                      type, (char *) data, sizeof(cachefs_args_t));
 152 # endif /* defined(MOUNT_TYPE_CACHEFS) && defined(MNTTAB_TYPE_CACHEFS) */
 153 #endif /*HAVE_FS_CACHEFS */
 154
 155 #ifdef HAVE_FS_AUTOFS
 156 # if defined(MOUNT_TYPE_AUTOFS) && defined(MNTTAB_TYPE_AUTOFS)
 157   if (STREQ(type, MOUNT_TYPE_AUTOFS))
 158     return sys_mount(fsname, dir, (MNT2_GEN_OPT_DATA | flags),
 159                      type, (char *) data, sizeof(autofs_args_t));
 160 # endif /* defined(MOUNT_TYPE_AUTOFS) && defined(MNTTAB_TYPE_AUTOFS) */
 161 #endif /* HAVE_FS_AUTOFS */
 162
 163   return EINVAL;
 164 }