1 /* $NetBSD: ops_cdfs.c,v 1.4 2015/01/17 17:46:31 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997-2014 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. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *
38 * File: am-utils/amd/ops_cdfs.c
39 *
40 */
41
42 /*
43 * High Sierra (CD-ROM) file system
44 */
45
46 #ifdef HAVE_CONFIG_H
47 # include <config.h>
48 #endif /* HAVE_CONFIG_H */
49 #include <am_defs.h>
50 #include <amd.h>
51
52 /* forward declarations */
53 static char *cdfs_match(am_opts *fo);
54 static int cdfs_mount(am_node *am, mntfs *mf);
55 static int cdfs_umount(am_node *am, mntfs *mf);
56
57 /*
58 * Ops structure
59 */
60 am_ops cdfs_ops =
61 {
62 "cdfs",
63 cdfs_match,
64 0, /* cdfs_init */
65 cdfs_mount,
66 cdfs_umount,
67 amfs_error_lookup_child,
68 amfs_error_mount_child,
69 amfs_error_readdir,
70 0, /* cdfs_readlink */
71 0, /* cdfs_mounted */
72 0, /* cdfs_umounted */
73 amfs_generic_find_srvr,
74 0, /* cdfs_get_wchan */
75 FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
76 #ifdef HAVE_FS_AUTOFS
77 AUTOFS_CDFS_FS_FLAGS,
78 #endif /* HAVE_FS_AUTOFS */
79 };
80
81
82 /*
83 * CDFS needs remote filesystem.
84 */
85 static char *
cdfs_match(am_opts * fo)86 cdfs_match(am_opts *fo)
87 {
88 if (!fo->opt_dev) {
89 plog(XLOG_USER, "cdfs: no source device specified");
90 return 0;
91 }
92 dlog("CDFS: mounting device \"%s\" on \"%s\"",
93 fo->opt_dev, fo->opt_fs);
94
95 /*
96 * Determine magic cookie to put in mtab
97 */
98 return xstrdup(fo->opt_dev);
99 }
100
101
102 static int
mount_cdfs(char * mntdir,char * fs_name,char * opts,int on_autofs)103 mount_cdfs(char *mntdir, char *fs_name, char *opts, int on_autofs)
104 {
105 cdfs_args_t cdfs_args;
106 mntent_t mnt;
107 int genflags, cdfs_flags, retval;
108
109 /*
110 * Figure out the name of the file system type.
111 */
112 MTYPE_TYPE type = MOUNT_TYPE_CDFS;
113
114 memset((voidp) &cdfs_args, 0, sizeof(cdfs_args)); /* Paranoid */
115 cdfs_flags = 0;
116
117 /*
118 * Fill in the mount structure
119 */
120 memset((voidp) &mnt, 0, sizeof(mnt));
121 mnt.mnt_dir = mntdir;
122 mnt.mnt_fsname = fs_name;
123 mnt.mnt_type = MNTTAB_TYPE_CDFS;
124 mnt.mnt_opts = opts;
125
126 #if defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM)
127 if (amu_hasmntopt(&mnt, MNTTAB_OPT_DEFPERM))
128 # ifdef MNT2_CDFS_OPT_DEFPERM
129 cdfs_flags |= MNT2_CDFS_OPT_DEFPERM;
130 # else /* not MNT2_CDFS_OPT_DEFPERM */
131 cdfs_flags &= ~MNT2_CDFS_OPT_NODEFPERM;
132 # endif /* not MNT2_CDFS_OPT_DEFPERM */
133 #endif /* defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM) */
134
135 #if defined(MNT2_CDFS_OPT_NODEFPERM) && defined(MNTTAB_OPT_NODEFPERM)
136 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NODEFPERM))
137 cdfs_flags |= MNT2_CDFS_OPT_NODEFPERM;
138 #endif /* MNTTAB_OPT_NODEFPERM */
139
140 #if defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION)
141 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOVERSION))
142 cdfs_flags |= MNT2_CDFS_OPT_NOVERSION;
143 #endif /* defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION) */
144
145 #if defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP)
146 if (amu_hasmntopt(&mnt, MNTTAB_OPT_RRIP))
147 cdfs_flags |= MNT2_CDFS_OPT_RRIP;
148 #endif /* defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP) */
149
150 #if defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP)
151 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NORRIP))
152 cdfs_flags |= MNT2_CDFS_OPT_NORRIP;
153 #endif /* defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP) */
154
155 #if defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS)
156 if (amu_hasmntopt(&mnt, MNTTAB_OPT_GENS))
157 cdfs_flags |= MNT2_CDFS_OPT_GENS;
158 #endif /* defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS) */
159
160 #if defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT)
161 if (amu_hasmntopt(&mnt, MNTTAB_OPT_EXTATT))
162 cdfs_flags |= MNT2_CDFS_OPT_EXTATT;
163 #endif /* defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT) */
164
165 #if defined(MNT2_CDFS_OPT_NOCASETRANS) && defined(MNTTAB_OPT_NOCASETRANS)
166 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOCASETRANS))
167 cdfs_flags |= MNT2_CDFS_OPT_NOCASETRANS;
168 #endif /* defined(MNT2_CDFS_OPT_NOCASETRANS) && defined(MNTTAB_OPT_NOCASETRANS) */
169
170 #if defined(MNT2_CDFS_OPT_NOJOLIET) && defined(MNTTAB_OPT_NOJOLIET)
171 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOJOLIET))
172 cdfs_flags |= MNT2_CDFS_OPT_NOJOLIET;
173 #endif /* defined(MNT2_CDFS_OPT_NOJOLIET) && defined(MNTTAB_OPT_NOJOLIET) */
174
175 #if defined(MNT2_CDFS_OPT_RRCASEINS) && defined(MNTTAB_OPT_RRCASEINS)
176 if (amu_hasmntopt(&mnt, MNTTAB_OPT_RRCASEINS))
177 cdfs_flags |= MNT2_CDFS_OPT_RRCASEINS;
178 #endif /* defined(MNT2_CDFS_OPT_RRCASEINS) && defined(MNTTAB_OPT_RRCASEINS) */
179
180 genflags = compute_mount_flags(&mnt);
181 #ifdef HAVE_FS_AUTOFS
182 if (on_autofs)
183 genflags |= autofs_compute_mount_flags(&mnt);
184 #endif /* HAVE_FS_AUTOFS */
185
186 #ifdef HAVE_CDFS_ARGS_T_FLAGS
187 cdfs_args.flags = cdfs_flags;
188 #endif /* HAVE_CDFS_ARGS_T_FLAGS */
189
190 #ifdef HAVE_CDFS_ARGS_T_ISO_FLAGS
191 cdfs_args.iso_flags = genflags | cdfs_flags;
192 #endif /* HAVE_CDFS_ARGS_T_ISO_FLAGS */
193
194 #ifdef HAVE_CDFS_ARGS_T_ISO_PGTHRESH
195 cdfs_args.iso_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH);
196 #endif /* HAVE_CDFS_ARGS_T_ISO_PGTHRESH */
197
198 #ifdef HAVE_CDFS_ARGS_T_NORRIP
199 /* XXX: need to provide norrip mount opt */
200 cdfs_args.norrip = 0; /* use Rock-Ridge Protocol extensions */
201 #endif /* HAVE_CDFS_ARGS_T_NORRIP */
202
203 #ifdef HAVE_CDFS_ARGS_T_SSECTOR
204 /* XXX: need to provide ssector mount option */
205 cdfs_args.ssector = 0; /* use 1st session on disk */
206 #endif /* HAVE_CDFS_ARGS_T_SSECTOR */
207
208 #ifdef HAVE_CDFS_ARGS_T_FSPEC
209 cdfs_args.fspec = fs_name;
210 #endif /* HAVE_CDFS_ARGS_T_FSPEC */
211
212 /*
213 * Call generic mount routine
214 */
215 retval = mount_fs(&mnt, genflags, (caddr_t) &cdfs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs);
216
217 return retval;
218 }
219
220
221 static int
cdfs_mount(am_node * am,mntfs * mf)222 cdfs_mount(am_node *am, mntfs *mf)
223 {
224 int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
225 int error;
226
227 error = mount_cdfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs);
228 if (error) {
229 errno = error;
230 plog(XLOG_ERROR, "mount_cdfs: %m");
231 return error;
232 }
233 return 0;
234 }
235
236
237 static int
cdfs_umount(am_node * am,mntfs * mf)238 cdfs_umount(am_node *am, mntfs *mf)
239 {
240 int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0;
241
242 return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags);
243 }
244