wr_fstab.c revision 42629
1/*
2 * Copyright (c) 1997-1998 Erez Zadok
3 * Copyright (c) 1989 Jan-Simon Pendry
4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1989 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 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgment:
21 *      This product includes software developed by the University of
22 *      California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 *
41 * $Id: wr_fstab.c,v 1.1.1.1 1998/11/05 02:04:54 ezk Exp $
42 *
43 */
44
45#ifdef HAVE_CONFIG_H
46# include <config.h>
47#endif /* HAVE_CONFIG_H */
48#include <am_defs.h>
49#include <fsi_data.h>
50#include <fsinfo.h>
51
52#define	GENERIC_OS_NAME "generic"
53
54/* forward definitions */
55static void write_aix1_dkfstab(FILE *ef, disk_fs *dp);
56static void write_aix1_dkrmount(FILE *ef, char *hn, fsmount *fp);
57static void write_aix3_dkfstab(FILE *ef, disk_fs *dp);
58static void write_aix3_dkrmount(FILE *ef, char *hn, fsmount *fp);
59static int  write_dkfstab(FILE *ef, qelem *q, void (*output) (FILE *, disk_fs *));
60static int write_dkrmount(FILE *ef, qelem *q, char *hn, void (*output) (FILE *, char *, fsmount *));
61static void write_generic_dkfstab(FILE *ef, disk_fs *dp);
62static void write_generic_dkrmount(FILE *ef, char *hn, fsmount *fp);
63static void write_ultrix_dkfstab(FILE *ef, disk_fs *dp);
64static void write_ultrix_dkrmount(FILE *ef, char *hn, fsmount *fp);
65
66/* ----------------------------------------------- */
67
68static struct os_fstab_type {
69  char *os_name;
70  void (*op_fstab) (FILE *ef, disk_fs *dp);
71  void (*op_mount) (FILE *ef, char *hn, fsmount *fp);
72} os_tabs[] = {
73
74  {
75    "aix1", write_aix1_dkfstab, write_aix1_dkrmount
76  },				/* AIX 1 */
77  {
78    "aix3", write_aix3_dkfstab, write_aix3_dkrmount
79  },				/* AIX 3 */
80  {
81    "generic", write_generic_dkfstab, write_generic_dkrmount
82  },				/* Generic */
83  {
84    "u2_0", write_ultrix_dkfstab, write_ultrix_dkrmount
85  },				/* Ultrix */
86  {
87    "u3_0", write_ultrix_dkfstab, write_ultrix_dkrmount
88  },				/* Ultrix */
89  {
90    "u4_0", write_ultrix_dkfstab, write_ultrix_dkrmount
91  },				/* Ultrix */
92  {
93    0, 0, 0
94  }
95};
96
97
98/* ---------- AIX 1 ------------------------------ */
99
100/*
101 * AIX 1 format
102 */
103static void
104write_aix1_dkfstab(FILE *ef, disk_fs *dp)
105{
106  char *hp = strdup(dp->d_host->h_hostname);
107  char *p = strchr(hp, '.');
108
109  if (p)
110    *p = '\0';
111
112  fprintf(ef, "\n%s:\n\tdev = %s\n\tvfs = %s\n\ttype = %s\n\tlog = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
113	  dp->d_mountpt,
114	  dp->d_dev,
115	  dp->d_fstype,
116	  dp->d_fstype,
117	  dp->d_log,
118	  dp->d_mountpt,
119	  dp->d_opts);
120  XFREE(hp);
121}
122
123
124static void
125write_aix1_dkrmount(FILE *ef, char *hn, fsmount *fp)
126{
127  char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
128  char *hp = strdup(h);
129  char *p = strchr(hp, '.');
130
131  if (p)
132    *p = '\0';
133  domain_strip(h, hn);
134  fprintf(ef, "\n%s:\n\tsite = %s\n\tdev = %s:%s\n\tvfs = %s\n\ttype = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
135	  fp->f_localname,
136	  hp,
137	  h,
138	  fp->f_volname,
139	  fp->f_fstype,
140	  fp->f_fstype,
141	  fp->f_localname,
142	  fp->f_opts);
143
144  XFREE(hp);
145  XFREE(h);
146}
147
148
149/* ---------- AIX 3 ------------------------------ */
150
151/*
152 * AIX 3 format
153 */
154static void
155write_aix3_dkfstab(FILE *ef, disk_fs *dp)
156{
157  if (STREQ(dp->d_fstype, "jfs") &&
158      NSTREQ(dp->d_dev, "/dev/", 5) &&
159      !dp->d_log)
160    error("aix 3 needs a log device for journalled filesystem (jfs) mounts");
161
162  fprintf(ef, "\n%s:\n\tdev = %s\n\tvfs = %s\n\ttype = %s\n\tlog = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
163	  dp->d_mountpt,
164	  dp->d_dev,
165	  dp->d_fstype,
166	  dp->d_fstype,
167	  dp->d_log,
168	  dp->d_mountpt,
169	  dp->d_opts);
170}
171
172
173static void
174write_aix3_dkrmount(FILE *ef, char *hn, fsmount *fp)
175{
176  char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
177
178  domain_strip(h, hn);
179  fprintf(ef, "\n%s:\n\tdev = %s:%s\n\tvfs = %s\n\ttype = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
180	  fp->f_localname,
181	  h,
182	  fp->f_volname,
183	  fp->f_fstype,
184	  fp->f_fstype,
185	  fp->f_localname,
186	  fp->f_opts);
187
188  XFREE(h);
189}
190
191
192/* ---------- Ultrix ----------------------------- */
193
194static void
195write_ultrix_dkfstab(FILE *ef, disk_fs *dp)
196{
197  fprintf(ef, "%s:%s:%s:%s:%d:%d\n",
198	  dp->d_dev,
199	  dp->d_mountpt,
200	  dp->d_fstype,
201	  dp->d_opts,
202	  dp->d_freq,
203	  dp->d_passno);
204}
205
206
207static void
208write_ultrix_dkrmount(FILE *ef, char *hn, fsmount *fp)
209{
210  char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
211
212  domain_strip(h, hn);
213  fprintf(ef, "%s@%s:%s:%s:%s:0:0\n",
214	  fp->f_volname,
215	  h,
216	  fp->f_localname,
217	  fp->f_fstype,
218	  fp->f_opts);
219  XFREE(h);
220}
221
222
223/* ---------- Generic ---------------------------- */
224
225/*
226 * Generic (BSD, SunOS, HPUX) format
227 */
228static void
229write_generic_dkfstab(FILE *ef, disk_fs *dp)
230{
231  fprintf(ef, "%s %s %s %s %d %d\n",
232	  dp->d_dev,
233	  dp->d_mountpt,
234	  dp->d_fstype,
235	  dp->d_opts,
236	  dp->d_freq,
237	  dp->d_passno);
238}
239
240
241static void
242write_generic_dkrmount(FILE *ef, char *hn, fsmount *fp)
243{
244  char *h;
245
246  if (fp->f_ref) {
247    h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
248  } else {
249    h = strdup(fp->f_from);
250  }
251  domain_strip(h, hn);
252  fprintf(ef, "%s:%s %s %s %s 0 0\n",
253	  h,
254	  fp->f_volname,
255	  fp->f_localname,
256	  fp->f_fstype,
257	  fp->f_opts);
258  XFREE(h);
259}
260
261
262static struct os_fstab_type *
263find_fstab_type(host *hp)
264{
265  struct os_fstab_type *op = 0;
266  char *os_name = 0;
267
268again:;
269  if (os_name == 0) {
270    if (ISSET(hp->h_mask, HF_OS))
271      os_name = hp->h_os;
272    else
273      os_name = GENERIC_OS_NAME;
274  }
275  for (op = os_tabs; op->os_name; op++)
276    if (STREQ(os_name, op->os_name))
277      return op;
278
279  os_name = GENERIC_OS_NAME;
280  goto again;
281}
282
283
284static int
285write_dkfstab(FILE *ef, qelem *q, void (*output) (FILE *, disk_fs *))
286{
287  int errors = 0;
288  disk_fs *dp;
289
290  ITER(dp, disk_fs, q)
291  if (!STREQ(dp->d_fstype, "export"))
292      (*output) (ef, dp);
293
294  return errors;
295}
296
297
298static int
299write_dkrmount(FILE *ef, qelem *q, char *hn, void (*output) (FILE *, char *, fsmount *))
300{
301  int errors = 0;
302  fsmount *fp;
303
304  ITER(fp, fsmount, q)
305    (*output) (ef, hn, fp);
306
307  return errors;
308}
309
310
311int
312write_fstab(qelem *q)
313{
314  int errors = 0;
315
316  if (fstab_pref) {
317    host *hp;
318
319    show_area_being_processed("write fstab", 4);
320    ITER(hp, host, q) {
321      if (hp->h_disk_fs || hp->h_mount) {
322	FILE *ef = pref_open(fstab_pref, hp->h_hostname, gen_hdr, hp->h_hostname);
323	if (ef) {
324	  struct os_fstab_type *op = find_fstab_type(hp);
325	  show_new(hp->h_hostname);
326	  if (hp->h_disk_fs)
327	    errors += write_dkfstab(ef, hp->h_disk_fs, op->op_fstab);
328	  else
329	    log("No local disk mounts on %s", hp->h_hostname);
330
331	  if (hp->h_mount)
332	    errors += write_dkrmount(ef, hp->h_mount, hp->h_hostname, op->op_mount);
333
334	  pref_close(ef);
335	}
336      } else {
337	error("no disk mounts on %s", hp->h_hostname);
338      }
339    }
340  }
341  return errors;
342}
343