/* $NetBSD: ops_ext.c,v 1.1.1.1 2015/01/17 16:34:15 christos Exp $ */ /* * Copyright (c) 1997-2014 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. 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. * * * File: am-utils/amd/ops_ext.c * */ /* * Irix UN*X file system: EXT (Extended File System) */ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include /* forward declarations */ static char *ext_match(am_opts *fo); static int ext2_mount(am_node *am, mntfs *mf); static int ext3_mount(am_node *am, mntfs *mf); static int ext4_mount(am_node *am, mntfs *mf); static int ext_umount(am_node *am, mntfs *mf); /* * Ops structure */ am_ops ext2_ops = { "ext2", ext_match, 0, /* ext_init */ ext2_mount, ext_umount, amfs_error_lookup_child, amfs_error_mount_child, amfs_error_readdir, 0, /* ext_readlink */ 0, /* ext_mounted */ 0, /* ext_umounted */ amfs_generic_find_srvr, 0, /* ext_get_wchan */ FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */ #ifdef HAVE_FS_AUTOFS AUTOFS_EXT_FS_FLAGS, #endif /* HAVE_FS_AUTOFS */ }; am_ops ext3_ops = { "ext3", ext_match, 0, /* ext_init */ ext3_mount, ext_umount, amfs_error_lookup_child, amfs_error_mount_child, amfs_error_readdir, 0, /* ext_readlink */ 0, /* ext_mounted */ 0, /* ext_umounted */ amfs_generic_find_srvr, 0, /* ext_get_wchan */ FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */ #ifdef HAVE_FS_AUTOFS AUTOFS_EXT_FS_FLAGS, #endif /* HAVE_FS_AUTOFS */ }; am_ops ext4_ops = { "ext4", ext_match, 0, /* ext_init */ ext4_mount, ext_umount, amfs_error_lookup_child, amfs_error_mount_child, amfs_error_readdir, 0, /* ext_readlink */ 0, /* ext_mounted */ 0, /* ext_umounted */ amfs_generic_find_srvr, 0, /* ext_get_wchan */ FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */ #ifdef HAVE_FS_AUTOFS AUTOFS_EXT_FS_FLAGS, #endif /* HAVE_FS_AUTOFS */ }; /* * EXT needs local filesystem and device. */ static char * ext_match(am_opts *fo) { if (!fo->opt_dev) { plog(XLOG_USER, "ext: no device specified"); return 0; } dlog("EXT: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs); /* * Determine magic cookie to put in mtab */ return xstrdup(fo->opt_dev); } static int mount_ext(char *mntdir, char *fs_name, char *opts, int on_autofs, char * mount_type, const char *mnttab_type) { ext_args_t ext_args; mntent_t mnt; int flags; /* * Figure out the name of the file system type. */ MTYPE_TYPE type = mount_type; memset((voidp) &ext_args, 0, sizeof(ext_args)); /* Paranoid */ /* * Fill in the mount structure */ memset((voidp) &mnt, 0, sizeof(mnt)); mnt.mnt_dir = mntdir; mnt.mnt_fsname = fs_name; mnt.mnt_type = mnttab_type; mnt.mnt_opts = opts; flags = compute_mount_flags(&mnt); #ifdef HAVE_FS_AUTOFS if (on_autofs) flags |= autofs_compute_mount_flags(&mnt); #endif /* HAVE_FS_AUTOFS */ /* * Call generic mount routine */ return mount_fs(&mnt, flags, (caddr_t) &ext_args, 0, type, 0, NULL, mnttab_file_name, on_autofs); } static int ext_mount(am_node *am, mntfs *mf, char *mount_type, const char *mnttab_type) { int on_autofs = mf->mf_flags & MFF_ON_AUTOFS; int error; error = mount_ext(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs, mount_type, mnttab_type); if (error) { errno = error; plog(XLOG_ERROR, "mount_ext: %m"); return error; } return 0; } static int ext2_mount(am_node *am, mntfs *mf) { return ext_mount(am, mf, MOUNT_TYPE_EXT2, MNTTAB_TYPE_EXT2); } static int ext3_mount(am_node *am, mntfs *mf) { return ext_mount(am, mf, MOUNT_TYPE_EXT3, MNTTAB_TYPE_EXT3); } static int ext4_mount(am_node *am, mntfs *mf) { return ext_mount(am, mf, MOUNT_TYPE_EXT4, MNTTAB_TYPE_EXT4); } static int ext_umount(am_node *am, mntfs *mf) { int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0; return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags); }