1 /*
2 * Copyright (c) 1997-2014 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. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *
36 * File: am-utils/fsinfo/wr_fstab.c
37 *
38 */
39
40 #ifdef HAVE_CONFIG_H
41 # include <config.h>
42 #endif /* HAVE_CONFIG_H */
43 #include <am_defs.h>
44 #include <fsi_data.h>
45 #include <fsinfo.h>
46
47 #define GENERIC_OS_NAME "generic"
48
49 /* forward definitions */
50 static void write_aix1_dkfstab(FILE *ef, disk_fs *dp);
51 static void write_aix1_dkrmount(FILE *ef, char *hn, fsmount *fp);
52 static void write_aix3_dkfstab(FILE *ef, disk_fs *dp);
53 static void write_aix3_dkrmount(FILE *ef, char *hn, fsmount *fp);
54 static int write_dkfstab(FILE *ef, qelem *q, void (*output) (FILE *, disk_fs *));
55 static int write_dkrmount(FILE *ef, qelem *q, char *hn, void (*output) (FILE *, char *, fsmount *));
56 static void write_generic_dkfstab(FILE *ef, disk_fs *dp);
57 static void write_generic_dkrmount(FILE *ef, char *hn, fsmount *fp);
58 static void write_ultrix_dkfstab(FILE *ef, disk_fs *dp);
59 static void write_ultrix_dkrmount(FILE *ef, char *hn, fsmount *fp);
60
61 /* ----------------------------------------------- */
62
63 static struct os_fstab_type {
64 char *os_name;
65 void (*op_fstab) (FILE *ef, disk_fs *dp);
66 void (*op_mount) (FILE *ef, char *hn, fsmount *fp);
67 } os_tabs[] = {
68
69 {
70 "aix1", write_aix1_dkfstab, write_aix1_dkrmount
71 }, /* AIX 1 */
72 {
73 "aix3", write_aix3_dkfstab, write_aix3_dkrmount
74 }, /* AIX 3 */
75 {
76 "generic", write_generic_dkfstab, write_generic_dkrmount
77 }, /* Generic */
78 {
79 "u2_0", write_ultrix_dkfstab, write_ultrix_dkrmount
80 }, /* Ultrix */
81 {
82 "u3_0", write_ultrix_dkfstab, write_ultrix_dkrmount
83 }, /* Ultrix */
84 {
85 "u4_0", write_ultrix_dkfstab, write_ultrix_dkrmount
86 }, /* Ultrix */
87 {
88 NULL, NULL, NULL
89 }
90 };
91
92
93 /* ---------- AIX 1 ------------------------------ */
94
95 /*
96 * AIX 1 format
97 */
98 static void
write_aix1_dkfstab(FILE * ef,disk_fs * dp)99 write_aix1_dkfstab(FILE *ef, disk_fs *dp)
100 {
101 char *hp = xstrdup(dp->d_host->h_hostname);
102 char *p = strchr(hp, '.');
103
104 if (p)
105 *p = '\0';
106
107 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",
108 dp->d_mountpt,
109 dp->d_dev,
110 dp->d_fstype,
111 dp->d_fstype,
112 dp->d_log,
113 dp->d_mountpt,
114 dp->d_opts);
115 XFREE(hp);
116 }
117
118
119 static void
write_aix1_dkrmount(FILE * ef,char * hn,fsmount * fp)120 write_aix1_dkrmount(FILE *ef, char *hn, fsmount *fp)
121 {
122 char *h = xstrdup(fp->f_ref->m_dk->d_host->h_hostname);
123 char *hp = xstrdup(h);
124 char *p = strchr(hp, '.');
125
126 if (p)
127 *p = '\0';
128 domain_strip(h, hn);
129 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",
130 fp->f_localname,
131 hp,
132 h,
133 fp->f_volname,
134 fp->f_fstype,
135 fp->f_fstype,
136 fp->f_localname,
137 fp->f_opts);
138
139 XFREE(hp);
140 XFREE(h);
141 }
142
143
144 /* ---------- AIX 3 ------------------------------ */
145
146 /*
147 * AIX 3 format
148 */
149 static void
write_aix3_dkfstab(FILE * ef,disk_fs * dp)150 write_aix3_dkfstab(FILE *ef, disk_fs *dp)
151 {
152 if (STREQ(dp->d_fstype, "jfs") &&
153 NSTREQ(dp->d_dev, "/dev/", 5) &&
154 !dp->d_log)
155 error("aix 3 needs a log device for journalled filesystem (jfs) mounts");
156
157 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",
158 dp->d_mountpt,
159 dp->d_dev,
160 dp->d_fstype,
161 dp->d_fstype,
162 dp->d_log,
163 dp->d_mountpt,
164 dp->d_opts);
165 }
166
167
168 static void
write_aix3_dkrmount(FILE * ef,char * hn,fsmount * fp)169 write_aix3_dkrmount(FILE *ef, char *hn, fsmount *fp)
170 {
171 char *h = xstrdup(fp->f_ref->m_dk->d_host->h_hostname);
172
173 domain_strip(h, hn);
174 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",
175 fp->f_localname,
176 h,
177 fp->f_volname,
178 fp->f_fstype,
179 fp->f_fstype,
180 fp->f_localname,
181 fp->f_opts);
182
183 XFREE(h);
184 }
185
186
187 /* ---------- Ultrix ----------------------------- */
188
189 static void
write_ultrix_dkfstab(FILE * ef,disk_fs * dp)190 write_ultrix_dkfstab(FILE *ef, disk_fs *dp)
191 {
192 fprintf(ef, "%s:%s:%s:%s:%d:%d\n",
193 dp->d_dev,
194 dp->d_mountpt,
195 dp->d_fstype,
196 dp->d_opts,
197 dp->d_freq,
198 dp->d_passno);
199 }
200
201
202 static void
write_ultrix_dkrmount(FILE * ef,char * hn,fsmount * fp)203 write_ultrix_dkrmount(FILE *ef, char *hn, fsmount *fp)
204 {
205 char *h = xstrdup(fp->f_ref->m_dk->d_host->h_hostname);
206
207 domain_strip(h, hn);
208 fprintf(ef, "%s@%s:%s:%s:%s:0:0\n",
209 fp->f_volname,
210 h,
211 fp->f_localname,
212 fp->f_fstype,
213 fp->f_opts);
214 XFREE(h);
215 }
216
217
218 /* ---------- Generic ---------------------------- */
219
220 /*
221 * Generic (BSD, SunOS, HPUX) format
222 */
223 static void
write_generic_dkfstab(FILE * ef,disk_fs * dp)224 write_generic_dkfstab(FILE *ef, disk_fs *dp)
225 {
226 fprintf(ef, "%s %s %s %s %d %d\n",
227 dp->d_dev,
228 dp->d_mountpt,
229 dp->d_fstype,
230 dp->d_opts,
231 dp->d_freq,
232 dp->d_passno);
233 }
234
235
236 static void
write_generic_dkrmount(FILE * ef,char * hn,fsmount * fp)237 write_generic_dkrmount(FILE *ef, char *hn, fsmount *fp)
238 {
239 char *h;
240
241 if (fp->f_ref) {
242 h = xstrdup(fp->f_ref->m_dk->d_host->h_hostname);
243 } else {
244 h = xstrdup(fp->f_from);
245 }
246 domain_strip(h, hn);
247 fprintf(ef, "%s:%s %s %s %s 0 0\n",
248 h,
249 fp->f_volname,
250 fp->f_localname,
251 fp->f_fstype,
252 fp->f_opts);
253 XFREE(h);
254 }
255
256
257 static struct os_fstab_type *
find_fstab_type(host * hp)258 find_fstab_type(host *hp)
259 {
260 struct os_fstab_type *op = NULL;
261 char *os_name = NULL;
262
263 again:;
264 if (os_name == 0) {
265 if (ISSET(hp->h_mask, HF_OS))
266 os_name = hp->h_os;
267 else
268 os_name = GENERIC_OS_NAME;
269 }
270 for (op = os_tabs; op->os_name; op++)
271 if (STREQ(os_name, op->os_name))
272 return op;
273
274 os_name = GENERIC_OS_NAME;
275 goto again;
276 }
277
278
279 static int
write_dkfstab(FILE * ef,qelem * q,void (* output)(FILE *,disk_fs *))280 write_dkfstab(FILE *ef, qelem *q, void (*output) (FILE *, disk_fs *))
281 {
282 int errors = 0;
283 disk_fs *dp;
284
285 ITER(dp, disk_fs, q)
286 if (!STREQ(dp->d_fstype, "export"))
287 (*output) (ef, dp);
288
289 return errors;
290 }
291
292
293 static int
write_dkrmount(FILE * ef,qelem * q,char * hn,void (* output)(FILE *,char *,fsmount *))294 write_dkrmount(FILE *ef, qelem *q, char *hn, void (*output) (FILE *, char *, fsmount *))
295 {
296 int errors = 0;
297 fsmount *fp;
298
299 ITER(fp, fsmount, q)
300 (*output) (ef, hn, fp);
301
302 return errors;
303 }
304
305
306 int
write_fstab(qelem * q)307 write_fstab(qelem *q)
308 {
309 int errors = 0;
310
311 if (fstab_pref) {
312 host *hp;
313
314 show_area_being_processed("write fstab", 4);
315 ITER(hp, host, q) {
316 if (hp->h_disk_fs || hp->h_mount) {
317 FILE *ef = pref_open(fstab_pref, hp->h_hostname, gen_hdr, hp->h_hostname);
318 if (ef) {
319 struct os_fstab_type *op = find_fstab_type(hp);
320 show_new(hp->h_hostname);
321 if (hp->h_disk_fs)
322 errors += write_dkfstab(ef, hp->h_disk_fs, op->op_fstab);
323 else
324 fsi_log("No local disk mounts on %s", hp->h_hostname);
325
326 if (hp->h_mount)
327 errors += write_dkrmount(ef, hp->h_mount, hp->h_hostname, op->op_mount);
328
329 pref_close(ef);
330 }
331 } else {
332 error("no disk mounts on %s", hp->h_hostname);
333 }
334 }
335 }
336 return errors;
337 }
338