138494Sobrien/* 2174313Sobrien * Copyright (c) 1997-2006 Erez Zadok 338494Sobrien * Copyright (c) 1990 Jan-Simon Pendry 438494Sobrien * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 538494Sobrien * Copyright (c) 1990 The Regents of the University of California. 638494Sobrien * All rights reserved. 738494Sobrien * 838494Sobrien * This code is derived from software contributed to Berkeley by 938494Sobrien * Jan-Simon Pendry at Imperial College, London. 1038494Sobrien * 1138494Sobrien * Redistribution and use in source and binary forms, with or without 1238494Sobrien * modification, are permitted provided that the following conditions 1338494Sobrien * are met: 1438494Sobrien * 1. Redistributions of source code must retain the above copyright 1538494Sobrien * notice, this list of conditions and the following disclaimer. 1638494Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1738494Sobrien * notice, this list of conditions and the following disclaimer in the 1838494Sobrien * documentation and/or other materials provided with the distribution. 1938494Sobrien * 3. All advertising materials mentioning features or use of this software 2042629Sobrien * must display the following acknowledgment: 2138494Sobrien * This product includes software developed by the University of 2238494Sobrien * California, Berkeley and its contributors. 2338494Sobrien * 4. Neither the name of the University nor the names of its contributors 2438494Sobrien * may be used to endorse or promote products derived from this software 2538494Sobrien * without specific prior written permission. 2638494Sobrien * 2738494Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2838494Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2938494Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3038494Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3138494Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3238494Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3338494Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3438494Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3538494Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3638494Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3738494Sobrien * SUCH DAMAGE. 3838494Sobrien * 3938494Sobrien * 40174313Sobrien * File: am-utils/amd/ops_pcfs.c 4138494Sobrien * 4238494Sobrien */ 4338494Sobrien 4438494Sobrien/* 4538494Sobrien * PC (MS-DOS) file system 4638494Sobrien */ 4738494Sobrien 4838494Sobrien#ifdef HAVE_CONFIG_H 4938494Sobrien# include <config.h> 5038494Sobrien#endif /* HAVE_CONFIG_H */ 5138494Sobrien#include <am_defs.h> 5238494Sobrien#include <amd.h> 5338494Sobrien 5438494Sobrien/* forward definitions */ 5538494Sobrienstatic char *pcfs_match(am_opts *fo); 56174313Sobrienstatic int pcfs_mount(am_node *am, mntfs *mf); 57174313Sobrienstatic int pcfs_umount(am_node *am, mntfs *mf); 5838494Sobrien 5938494Sobrien/* 6038494Sobrien * Ops structure 6138494Sobrien */ 6238494Sobrienam_ops pcfs_ops = 6338494Sobrien{ 6438494Sobrien "pcfs", 6538494Sobrien pcfs_match, 6638494Sobrien 0, /* pcfs_init */ 67174313Sobrien pcfs_mount, 68174313Sobrien pcfs_umount, 69174313Sobrien amfs_error_lookup_child, 70174313Sobrien amfs_error_mount_child, 7138494Sobrien amfs_error_readdir, 7238494Sobrien 0, /* pcfs_readlink */ 7338494Sobrien 0, /* pcfs_mounted */ 7438494Sobrien 0, /* pcfs_umounted */ 75174313Sobrien amfs_generic_find_srvr, 76174313Sobrien 0, /* pcfs_get_wchan */ 77174313Sobrien FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */ 78174313Sobrien#ifdef HAVE_FS_AUTOFS 79174313Sobrien AUTOFS_PCFS_FS_FLAGS, 80174313Sobrien#endif /* HAVE_FS_AUTOFS */ 8138494Sobrien}; 8238494Sobrien 8338494Sobrien 8438494Sobrien 8538494Sobrien/* 8638494Sobrien * PCFS needs remote filesystem. 8738494Sobrien */ 8838494Sobrienstatic char * 8938494Sobrienpcfs_match(am_opts *fo) 9038494Sobrien{ 9138494Sobrien if (!fo->opt_dev) { 9238494Sobrien plog(XLOG_USER, "pcfs: no source device specified"); 9338494Sobrien return 0; 9438494Sobrien } 9538494Sobrien dlog("PCFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs); 9638494Sobrien 9738494Sobrien /* 9838494Sobrien * Determine magic cookie to put in mtab 9938494Sobrien */ 10038494Sobrien return strdup(fo->opt_dev); 10138494Sobrien} 10238494Sobrien 10338494Sobrien 10438494Sobrienstatic int 105174313Sobrienmount_pcfs(char *mntdir, char *fs_name, char *opts, int on_autofs) 10638494Sobrien{ 10738494Sobrien pcfs_args_t pcfs_args; 10838494Sobrien mntent_t mnt; 10938494Sobrien int flags; 110174313Sobrien#if defined(HAVE_PCFS_ARGS_T_MASK) || defined(HAVE_PCFS_ARGS_T_DIRMASK) 111174313Sobrien int mask; 112174313Sobrien#endif /* defined(HAVE_PCFS_ARGS_T_MASK) || defined(HAVE_PCFS_ARGS_T_DIRMASK) */ 113174313Sobrien#if defined(HAVE_PCFS_ARGS_T_UID) || defined(HAVE_PCFS_ARGS_T_UID) 114174313Sobrien char *str; 115174313Sobrien#endif /* defined(HAVE_PCFS_ARGS_T_UID) || defined(HAVE_PCFS_ARGS_T_UID) */ 11638494Sobrien 11738494Sobrien /* 11838494Sobrien * Figure out the name of the file system type. 11938494Sobrien */ 12038494Sobrien MTYPE_TYPE type = MOUNT_TYPE_PCFS; 12138494Sobrien 12238494Sobrien memset((voidp) &pcfs_args, 0, sizeof(pcfs_args)); /* Paranoid */ 12338494Sobrien 12438494Sobrien /* 12538494Sobrien * Fill in the mount structure 12638494Sobrien */ 12738494Sobrien memset((voidp) &mnt, 0, sizeof(mnt)); 128174313Sobrien mnt.mnt_dir = mntdir; 12938494Sobrien mnt.mnt_fsname = fs_name; 13038494Sobrien mnt.mnt_type = MNTTAB_TYPE_PCFS; 13138494Sobrien mnt.mnt_opts = opts; 13238494Sobrien 13338494Sobrien flags = compute_mount_flags(&mnt); 134174313Sobrien#ifdef HAVE_FS_AUTOFS 135174313Sobrien if (on_autofs) 136174313Sobrien flags |= autofs_compute_mount_flags(&mnt); 137174313Sobrien#endif /* HAVE_FS_AUTOFS */ 138174313Sobrien if (amuDebug(D_TRACE)) 139174313Sobrien plog(XLOG_DEBUG, "mount_pcfs: flags=0x%x", (u_int) flags); 14038494Sobrien 141119679Smbr#ifdef HAVE_PCFS_ARGS_T_FSPEC 14238494Sobrien pcfs_args.fspec = fs_name; 143119679Smbr#endif /* HAVE_PCFS_ARGS_T_FSPEC */ 14438494Sobrien 145119679Smbr#ifdef HAVE_PCFS_ARGS_T_MASK 14638494Sobrien pcfs_args.mask = 0777; /* this may be the msdos file modes */ 147174313Sobrien if ((mask = hasmntval(&mnt, MNTTAB_OPT_MASK)) > 0) 148174313Sobrien pcfs_args.mask = mask; 149174313Sobrien if (amuDebug(D_TRACE)) 150174313Sobrien plog(XLOG_DEBUG, "mount_pcfs: mask=%o (octal)", (u_int) pcfs_args.mask); 151119679Smbr#endif /* HAVE_PCFS_ARGS_T_MASK */ 15238494Sobrien 153131709Smbr#ifdef HAVE_PCFS_ARGS_T_DIRMASK 154174313Sobrien pcfs_args.dirmask = 0777; /* this may be the msdos dir modes */ 155174313Sobrien if ((mask = hasmntval(&mnt, MNTTAB_OPT_DIRMASK)) > 0) 156174313Sobrien pcfs_args.dirmask = mask; 157174313Sobrien if (amuDebug(D_TRACE)) 158174313Sobrien plog(XLOG_DEBUG, "mount_pcfs: dirmask=%o (octal)", (u_int) pcfs_args.dirmask); 159131709Smbr#endif /* HAVE_PCFS_ARGS_T_DIRMASK */ 160131709Smbr 161119679Smbr#ifdef HAVE_PCFS_ARGS_T_UID 162174313Sobrien pcfs_args.uid = 0; /* default to root */ 163174313Sobrien if ((str = hasmntstr(&mnt, MNTTAB_OPT_USER)) != NULL) { 164174313Sobrien struct passwd *pw; 165174313Sobrien if ((pw = getpwnam(str)) != NULL) 166174313Sobrien pcfs_args.uid = pw->pw_uid; 167174313Sobrien else /* maybe used passed a UID number, not user name */ 168174313Sobrien pcfs_args.uid = atoi(str); /* atoi returns '0' if it failed */ 169174313Sobrien XFREE(str); 170174313Sobrien } 171174313Sobrien if (amuDebug(D_TRACE)) 172174313Sobrien plog(XLOG_DEBUG, "mount_pcfs: uid=%d", (int) pcfs_args.uid); 173119679Smbr#endif /* HAVE_PCFS_ARGS_T_UID */ 17438494Sobrien 175119679Smbr#ifdef HAVE_PCFS_ARGS_T_GID 176174313Sobrien pcfs_args.gid = 0; /* default to wheel/root group */ 177174313Sobrien if ((str = hasmntstr(&mnt, MNTTAB_OPT_GROUP)) != NULL) { 178174313Sobrien struct group *gr; 179174313Sobrien if ((gr = getgrnam(str)) != NULL) 180174313Sobrien pcfs_args.gid = gr->gr_gid; 181174313Sobrien else /* maybe used passed a GID number, not group name */ 182174313Sobrien pcfs_args.gid = atoi(str); /* atoi returns '0' if it failed */ 183174313Sobrien XFREE(str); 184174313Sobrien } 185174313Sobrien if (amuDebug(D_TRACE)) 186174313Sobrien plog(XLOG_DEBUG, "mount_pcfs: gid=%d", (int) pcfs_args.gid); 187119679Smbr#endif /* HAVE_PCFS_ARGS_T_GID */ 18838494Sobrien 189119679Smbr#ifdef HAVE_PCFS_ARGS_T_SECONDSWEST 19038494Sobrien pcfs_args.secondswest = 0; /* XXX: fill in correct values */ 191119679Smbr#endif /* HAVE_PCFS_ARGS_T_SECONDSWEST */ 192119679Smbr#ifdef HAVE_PCFS_ARGS_T_DSTTIME 19338494Sobrien pcfs_args.dsttime = 0; /* XXX: fill in correct values */ 194119679Smbr#endif /* HAVE_PCFS_ARGS_T_DSTTIME */ 19538494Sobrien 19638494Sobrien /* 19738494Sobrien * Call generic mount routine 19838494Sobrien */ 199174313Sobrien return mount_fs(&mnt, flags, (caddr_t) & pcfs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs); 20038494Sobrien} 20138494Sobrien 20238494Sobrien 20338494Sobrienstatic int 204174313Sobrienpcfs_mount(am_node *am, mntfs *mf) 20538494Sobrien{ 206174313Sobrien int on_autofs = mf->mf_flags & MFF_ON_AUTOFS; 20738494Sobrien int error; 20838494Sobrien 209174313Sobrien error = mount_pcfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs); 21038494Sobrien if (error) { 21138494Sobrien errno = error; 21238494Sobrien plog(XLOG_ERROR, "mount_pcfs: %m"); 21338494Sobrien return error; 21438494Sobrien } 21538494Sobrien 21638494Sobrien return 0; 21738494Sobrien} 21838494Sobrien 21938494Sobrien 22038494Sobrienstatic int 221174313Sobrienpcfs_umount(am_node *am, mntfs *mf) 22238494Sobrien{ 223174313Sobrien int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0; 224174313Sobrien 225174313Sobrien return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags); 22638494Sobrien} 227