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ops_pcfs.c (131709) ops_pcfs.c (174313)
1/*
1/*
2 * Copyright (c) 1997-2004 Erez Zadok
2 * Copyright (c) 1997-2006 Erez Zadok
3 * Copyright (c) 1990 Jan-Simon Pendry
4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
10 *

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31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
3 * Copyright (c) 1990 Jan-Simon Pendry
4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
10 *

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31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * %W% (Berkeley) %G%
40 *
39 *
41 * $Id: ops_pcfs.c,v 1.3.2.5 2004/01/06 03:15:16 ezk Exp $
42 * $FreeBSD: head/contrib/amd/amd/ops_pcfs.c 131709 2004-07-06 13:44:14Z mbr $
40 * File: am-utils/amd/ops_pcfs.c
43 *
44 */
45
46/*
47 * PC (MS-DOS) 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 definitions */
57static char *pcfs_match(am_opts *fo);
41 *
42 */
43
44/*
45 * PC (MS-DOS) file system
46 */
47
48#ifdef HAVE_CONFIG_H
49# include <config.h>
50#endif /* HAVE_CONFIG_H */
51#include <am_defs.h>
52#include <amd.h>
53
54/* forward definitions */
55static char *pcfs_match(am_opts *fo);
58static int pcfs_fmount(mntfs *mf);
59static int pcfs_fumount(mntfs *mf);
56static int pcfs_mount(am_node *am, mntfs *mf);
57static int pcfs_umount(am_node *am, mntfs *mf);
60
61/*
62 * Ops structure
63 */
64am_ops pcfs_ops =
65{
66 "pcfs",
67 pcfs_match,
68 0, /* pcfs_init */
58
59/*
60 * Ops structure
61 */
62am_ops pcfs_ops =
63{
64 "pcfs",
65 pcfs_match,
66 0, /* pcfs_init */
69 amfs_auto_fmount,
70 pcfs_fmount,
71 amfs_auto_fumount,
72 pcfs_fumount,
73 amfs_error_lookuppn,
67 pcfs_mount,
68 pcfs_umount,
69 amfs_error_lookup_child,
70 amfs_error_mount_child,
74 amfs_error_readdir,
75 0, /* pcfs_readlink */
76 0, /* pcfs_mounted */
77 0, /* pcfs_umounted */
71 amfs_error_readdir,
72 0, /* pcfs_readlink */
73 0, /* pcfs_mounted */
74 0, /* pcfs_umounted */
78 find_amfs_auto_srvr,
79 FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO
75 amfs_generic_find_srvr,
76 0, /* pcfs_get_wchan */
77 FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
78#ifdef HAVE_FS_AUTOFS
79 AUTOFS_PCFS_FS_FLAGS,
80#endif /* HAVE_FS_AUTOFS */
80};
81
82
83
84/*
85 * PCFS needs remote filesystem.
86 */
87static char *
88pcfs_match(am_opts *fo)
89{
90 if (!fo->opt_dev) {
91 plog(XLOG_USER, "pcfs: no source device specified");
92 return 0;
93 }
81};
82
83
84
85/*
86 * PCFS needs remote filesystem.
87 */
88static char *
89pcfs_match(am_opts *fo)
90{
91 if (!fo->opt_dev) {
92 plog(XLOG_USER, "pcfs: no source device specified");
93 return 0;
94 }
94#ifdef DEBUG
95 dlog("PCFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs);
95 dlog("PCFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs);
96#endif /* DEBUG */
97
98 /*
99 * Determine magic cookie to put in mtab
100 */
101 return strdup(fo->opt_dev);
102}
103
104
105static int
96
97 /*
98 * Determine magic cookie to put in mtab
99 */
100 return strdup(fo->opt_dev);
101}
102
103
104static int
106mount_pcfs(char *dir, char *fs_name, char *opts)
105mount_pcfs(char *mntdir, char *fs_name, char *opts, int on_autofs)
107{
108 pcfs_args_t pcfs_args;
109 mntent_t mnt;
110 int flags;
106{
107 pcfs_args_t pcfs_args;
108 mntent_t mnt;
109 int flags;
110#if defined(HAVE_PCFS_ARGS_T_MASK) || defined(HAVE_PCFS_ARGS_T_DIRMASK)
111 int mask;
112#endif /* defined(HAVE_PCFS_ARGS_T_MASK) || defined(HAVE_PCFS_ARGS_T_DIRMASK) */
113#if defined(HAVE_PCFS_ARGS_T_UID) || defined(HAVE_PCFS_ARGS_T_UID)
114 char *str;
115#endif /* defined(HAVE_PCFS_ARGS_T_UID) || defined(HAVE_PCFS_ARGS_T_UID) */
111
112 /*
113 * Figure out the name of the file system type.
114 */
115 MTYPE_TYPE type = MOUNT_TYPE_PCFS;
116
117 memset((voidp) &pcfs_args, 0, sizeof(pcfs_args)); /* Paranoid */
118
119 /*
120 * Fill in the mount structure
121 */
122 memset((voidp) &mnt, 0, sizeof(mnt));
116
117 /*
118 * Figure out the name of the file system type.
119 */
120 MTYPE_TYPE type = MOUNT_TYPE_PCFS;
121
122 memset((voidp) &pcfs_args, 0, sizeof(pcfs_args)); /* Paranoid */
123
124 /*
125 * Fill in the mount structure
126 */
127 memset((voidp) &mnt, 0, sizeof(mnt));
123 mnt.mnt_dir = dir;
128 mnt.mnt_dir = mntdir;
124 mnt.mnt_fsname = fs_name;
125 mnt.mnt_type = MNTTAB_TYPE_PCFS;
126 mnt.mnt_opts = opts;
127
128 flags = compute_mount_flags(&mnt);
129 mnt.mnt_fsname = fs_name;
130 mnt.mnt_type = MNTTAB_TYPE_PCFS;
131 mnt.mnt_opts = opts;
132
133 flags = compute_mount_flags(&mnt);
134#ifdef HAVE_FS_AUTOFS
135 if (on_autofs)
136 flags |= autofs_compute_mount_flags(&mnt);
137#endif /* HAVE_FS_AUTOFS */
138 if (amuDebug(D_TRACE))
139 plog(XLOG_DEBUG, "mount_pcfs: flags=0x%x", (u_int) flags);
129
130#ifdef HAVE_PCFS_ARGS_T_FSPEC
131 pcfs_args.fspec = fs_name;
132#endif /* HAVE_PCFS_ARGS_T_FSPEC */
133
134#ifdef HAVE_PCFS_ARGS_T_MASK
135 pcfs_args.mask = 0777; /* this may be the msdos file modes */
140
141#ifdef HAVE_PCFS_ARGS_T_FSPEC
142 pcfs_args.fspec = fs_name;
143#endif /* HAVE_PCFS_ARGS_T_FSPEC */
144
145#ifdef HAVE_PCFS_ARGS_T_MASK
146 pcfs_args.mask = 0777; /* this may be the msdos file modes */
147 if ((mask = hasmntval(&mnt, MNTTAB_OPT_MASK)) > 0)
148 pcfs_args.mask = mask;
149 if (amuDebug(D_TRACE))
150 plog(XLOG_DEBUG, "mount_pcfs: mask=%o (octal)", (u_int) pcfs_args.mask);
136#endif /* HAVE_PCFS_ARGS_T_MASK */
137
138#ifdef HAVE_PCFS_ARGS_T_DIRMASK
151#endif /* HAVE_PCFS_ARGS_T_MASK */
152
153#ifdef HAVE_PCFS_ARGS_T_DIRMASK
139 pcfs_args.dirmask = 0777; /* this may be the msdos dir modes */
154 pcfs_args.dirmask = 0777; /* this may be the msdos dir modes */
155 if ((mask = hasmntval(&mnt, MNTTAB_OPT_DIRMASK)) > 0)
156 pcfs_args.dirmask = mask;
157 if (amuDebug(D_TRACE))
158 plog(XLOG_DEBUG, "mount_pcfs: dirmask=%o (octal)", (u_int) pcfs_args.dirmask);
140#endif /* HAVE_PCFS_ARGS_T_DIRMASK */
141
142#ifdef HAVE_PCFS_ARGS_T_UID
159#endif /* HAVE_PCFS_ARGS_T_DIRMASK */
160
161#ifdef HAVE_PCFS_ARGS_T_UID
143 pcfs_args.uid = 0; /* root */
162 pcfs_args.uid = 0; /* default to root */
163 if ((str = hasmntstr(&mnt, MNTTAB_OPT_USER)) != NULL) {
164 struct passwd *pw;
165 if ((pw = getpwnam(str)) != NULL)
166 pcfs_args.uid = pw->pw_uid;
167 else /* maybe used passed a UID number, not user name */
168 pcfs_args.uid = atoi(str); /* atoi returns '0' if it failed */
169 XFREE(str);
170 }
171 if (amuDebug(D_TRACE))
172 plog(XLOG_DEBUG, "mount_pcfs: uid=%d", (int) pcfs_args.uid);
144#endif /* HAVE_PCFS_ARGS_T_UID */
145
146#ifdef HAVE_PCFS_ARGS_T_GID
173#endif /* HAVE_PCFS_ARGS_T_UID */
174
175#ifdef HAVE_PCFS_ARGS_T_GID
147 pcfs_args.gid = 0; /* wheel */
176 pcfs_args.gid = 0; /* default to wheel/root group */
177 if ((str = hasmntstr(&mnt, MNTTAB_OPT_GROUP)) != NULL) {
178 struct group *gr;
179 if ((gr = getgrnam(str)) != NULL)
180 pcfs_args.gid = gr->gr_gid;
181 else /* maybe used passed a GID number, not group name */
182 pcfs_args.gid = atoi(str); /* atoi returns '0' if it failed */
183 XFREE(str);
184 }
185 if (amuDebug(D_TRACE))
186 plog(XLOG_DEBUG, "mount_pcfs: gid=%d", (int) pcfs_args.gid);
148#endif /* HAVE_PCFS_ARGS_T_GID */
149
150#ifdef HAVE_PCFS_ARGS_T_SECONDSWEST
151 pcfs_args.secondswest = 0; /* XXX: fill in correct values */
152#endif /* HAVE_PCFS_ARGS_T_SECONDSWEST */
153#ifdef HAVE_PCFS_ARGS_T_DSTTIME
154 pcfs_args.dsttime = 0; /* XXX: fill in correct values */
155#endif /* HAVE_PCFS_ARGS_T_DSTTIME */
156
157 /*
158 * Call generic mount routine
159 */
187#endif /* HAVE_PCFS_ARGS_T_GID */
188
189#ifdef HAVE_PCFS_ARGS_T_SECONDSWEST
190 pcfs_args.secondswest = 0; /* XXX: fill in correct values */
191#endif /* HAVE_PCFS_ARGS_T_SECONDSWEST */
192#ifdef HAVE_PCFS_ARGS_T_DSTTIME
193 pcfs_args.dsttime = 0; /* XXX: fill in correct values */
194#endif /* HAVE_PCFS_ARGS_T_DSTTIME */
195
196 /*
197 * Call generic mount routine
198 */
160 return mount_fs(&mnt, flags, (caddr_t) & pcfs_args, 0, type, 0, NULL, mnttab_file_name);
199 return mount_fs(&mnt, flags, (caddr_t) & pcfs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs);
161}
162
163
164static int
200}
201
202
203static int
165pcfs_fmount(mntfs *mf)
204pcfs_mount(am_node *am, mntfs *mf)
166{
205{
206 int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
167 int error;
168
207 int error;
208
169 error = mount_pcfs(mf->mf_mount, mf->mf_info, mf->mf_mopts);
209 error = mount_pcfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs);
170 if (error) {
171 errno = error;
172 plog(XLOG_ERROR, "mount_pcfs: %m");
173 return error;
174 }
175
176 return 0;
177}
178
179
180static int
210 if (error) {
211 errno = error;
212 plog(XLOG_ERROR, "mount_pcfs: %m");
213 return error;
214 }
215
216 return 0;
217}
218
219
220static int
181pcfs_fumount(mntfs *mf)
221pcfs_umount(am_node *am, mntfs *mf)
182{
222{
183 return UMOUNT_FS(mf->mf_mount, mnttab_file_name);
223 int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0;
224
225 return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags);
184}
226}