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8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / cmd / fs.d / hsfs / labelit / labelit.c
blob1eaaa0ef4830fd7f0d11614fe255b52d7d7e2e42
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * labelit [option=value ...] cdimage
29 * where options are:
30 * sysid system identifier (a characters, 32 max)
31 * volid: volume identifier (d-characters, 32 max)
32 * volsetid: volume set identifier (d-characters, 128 max)
33 * pubid: publisher identifier (d-characters, 128 max)
34 * prepid: data preparer identifier (d-charcter, 128 max)
35 * applid: application identifier (d-charcter, 128 max)
36 * copyfile: copyright file identifier (d-characters, 128 max)
37 * absfile: abstract file identifier (d-characters, 37 max)
38 * bibfile: bibliographic file identifier (d-charcters, 37 max)
39 */
40
41 #include <fcntl.h>
42 #include <stdio.h>
43 #include <sys/param.h>
44 #include <sys/stat.h>
45 #include <sys/time.h>
46 #include <sys/types.h>
47 #include <sys/file.h>
48 #include <dirent.h>
49
50 #include <sys/fs/hsfs_isospec.h>
51 #include <sys/fs/hsfs_spec.h>
52
53 #define PUTSECTOR(buf, secno, nosec) (putdisk(buf, (secno)*ISO_SECTOR_SIZE, \
54 (nosec)*ISO_SECTOR_SIZE))
55 #define GETSECTOR(buf, secno, nosec) (getdisk(buf, (secno)*ISO_SECTOR_SIZE, \
56 (nosec)*ISO_SECTOR_SIZE))
57
58 char *string;
59 #define MAXERRSTRNG 80
60 char errstrng[MAXERRSTRNG];
61 char callname[160];
62
63 int cdfd;
64 int cd_type;
65 char hs_buf[ISO_SECTOR_SIZE];
66 int hs_pvd_sec_no;
67 char iso_buf[ISO_SECTOR_SIZE];
68 int iso_pvd_sec_no;
69 char unix_buf[ISO_SECTOR_SIZE];
70 int unix_pvd_sec_no;
71 char *vdp;
72 char *sysid;
73 char *volid;
74 char *volsetid;
75 char *pubid;
76 char *prepid;
77 char *applid;
78 char *copyfile;
79 char *absfile;
80 char *bibfile;
81 int volsetsize;
82 int volsetseq;
83 int blksize;
84 int volsize;
85
86 static int match(char *s);
87 static void usage(void);
88 static void putdisk(char *buf, int daddr, int size);
89 static void getdisk(char *buf, int daddr, int size);
90 static void prntstring(char *heading, char *s, int maxlen);
91 static void copystring(char *from, char *to, int size);
92 static void prntlabel(void);
93 static void updatelabel(void);
94 static void ckvoldesc(void);
95
96 int
97 main(int argc, char **argv)
98 {
99 int c;
100 int openopt;
101
102 strcpy(callname, argv[0]);
103 for (c = 1; c < argc; c++) {
104 string = argv[c];
105 if (match("sysid=")) {
106 sysid = string;
107 continue;
108 }
109 if (match("volid=")) {
110 volid = string;
111 continue;
112 }
113 if (match("volsetid=")) {
114 volsetid = string;
115 continue;
116 }
117 if (match("pubid=")) {
118 pubid = string;
119 continue;
120 }
121 if (match("prepid=")) {
122 prepid = string;
123 continue;
124 }
125 if (match("applid=")) {
126 applid = string;
127 continue;
128 }
129 if (match("copyfile=")) {
130 copyfile = string;
131 continue;
132 }
133 if (match("absfile=")) {
134 absfile = string;
135 continue;
136 }
137 if (match("bibfile=")) {
138 bibfile = string;
139 continue;
140 }
141 break;
142 }
143 /* the last argument must be the cdrom iamge file */
144 if (argc != c+1) {
145 if (argc > 1)
146 fprintf(stderr, "%s: Illegal option %s in input\n",
147 callname, string);
148 usage();
149 }
150
151 /* open image file in read write only if necessary */
152 if (argc == 2) openopt = O_RDONLY;
153 else openopt = O_RDWR;
154
155 if ((cdfd = open(argv[c], openopt)) < 0) {
156 if (strchr(argv[c], '=') ||
157 strchr(argv[c], '-')) {
158 usage();
159 }
160 sprintf(errstrng, "%s: main: open(): ", callname);
161 perror(errstrng);
162 exit(32);
163 }
164
165 /* check volume descriptor */
166 (void) ckvoldesc();
167
168 if (cd_type < 0) {
169 fprintf(stderr, "%s: unknown cdrom format label\n", callname);
170 exit(32);
171 }
172
173 /* update label, if needed */
174 if (argc != 2) updatelabel();
175
176 /* print the (updated) image label */
177 prntlabel();
178
179 close(cdfd);
180 return (0);
181 }
182
183 static void
184 usage(void)
185 {
186 fprintf(stderr, "usage: %s [-F ufs] [option=value ...] cdimage\n",
187 callname);
188 exit(32);
189 }
190
191 /*
192 * findhsvol: check if the disk is in high sierra format
193 * return(1) if found, (0) otherwise
194 * if found, volp will point to the descriptor
195 *
196 */
197 int
198 findhsvol(volp)
199 char *volp;
200 {
201 int secno;
202 int i;
203
204 secno = HS_VOLDESC_SEC;
205 GETSECTOR(volp, secno++, 1);
206 while (HSV_DESC_TYPE(volp) != VD_EOV) {
207 for (i = 0; i < HSV_ID_STRLEN; i++)
208 if (HSV_STD_ID(volp)[i] != HSV_ID_STRING[i])
209 goto cantfind;
210 if (HSV_STD_VER(volp) != HSV_ID_VER)
211 goto cantfind;
212 switch (HSV_DESC_TYPE(volp)) {
213 case VD_SFS:
214 hs_pvd_sec_no = secno-1;
215 return (1);
216 case VD_EOV:
217 goto cantfind;
218 }
219 GETSECTOR(volp, secno++, 1);
220 }
221 cantfind:
222 return (0);
223 }
224
225 /*
226 * findisovol: check if the disk is in ISO 9660 format
227 * return(1) if found, (0) otherwise
228 * if found, volp will point to the descriptor
229 *
230 */
231 int
232 findisovol(volp)
233 char *volp;
234 {
235 int secno;
236 int i;
237
238 secno = ISO_VOLDESC_SEC;
239 GETSECTOR(volp, secno++, 1);
240 while (ISO_DESC_TYPE(volp) != ISO_VD_EOV) {
241 for (i = 0; i < ISO_ID_STRLEN; i++)
242 if (ISO_STD_ID(volp)[i] != ISO_ID_STRING[i])
243 goto cantfind;
244 if (ISO_STD_VER(volp) != ISO_ID_VER)
245 goto cantfind;
246 switch (ISO_DESC_TYPE(volp)) {
247 case ISO_VD_PVD:
248 iso_pvd_sec_no = secno-1;
249 return (1);
250 case ISO_VD_EOV:
251 goto cantfind;
252 }
253 GETSECTOR(volp, secno++, 1);
254 }
255 cantfind:
256 return (0);
257 }
258
259 /*
260 * findunixvol: check if the disk is in UNIX extension format
261 * return(1) if found, (0) otherwise
262 * if found, volp will point to the descriptor
263 *
264 */
265 int
266 findunixvol(volp)
267 char *volp;
268 {
269 int secno;
270 int i;
271
272 secno = ISO_VOLDESC_SEC;
273 GETSECTOR(volp, secno++, 1);
274 while (ISO_DESC_TYPE(volp) != ISO_VD_EOV) {
275 for (i = 0; i < ISO_ID_STRLEN; i++)
276 if (ISO_STD_ID(volp)[i] != ISO_ID_STRING[i])
277 goto cantfind;
278 if (ISO_STD_VER(volp) != ISO_ID_VER)
279 goto cantfind;
280 switch (ISO_DESC_TYPE(volp)) {
281 case ISO_VD_UNIX:
282 unix_pvd_sec_no = secno-1;
283 return (1);
284 case ISO_VD_EOV:
285 goto cantfind;
286 }
287 GETSECTOR(volp, secno++, 1);
288 }
289 cantfind:
290 return (0);
291 }
292
293 static void
294 ckvoldesc(void)
295 {
296 if (findhsvol(hs_buf))
297 cd_type = 0;
298 else if (findisovol(iso_buf)) {
299 if (findunixvol(unix_buf))
300 cd_type = 2;
301 else cd_type = 1;
302 } else {
303 cd_type = -1;
304 }
305 }
306
307 static void
308 updatelabel(void)
309 {
310 switch (cd_type) {
311 case 0:
312 copystring(sysid, (char *)HSV_sys_id(hs_buf), 32);
313 copystring(volid, (char *)HSV_vol_id(hs_buf), 32);
314 copystring(volsetid, (char *)HSV_vol_set_id(hs_buf), 128);
315 copystring(pubid, (char *)HSV_pub_id(hs_buf), 128);
316 copystring(prepid, (char *)HSV_prep_id(hs_buf), 128);
317 copystring(applid, (char *)HSV_appl_id(hs_buf), 128);
318 copystring(copyfile, (char *)HSV_copyr_id(hs_buf), 37);
319 copystring(absfile, (char *)HSV_abstr_id(hs_buf), 37);
320 PUTSECTOR(hs_buf, hs_pvd_sec_no, 1);
321 break;
322 case 2:
323 copystring(sysid, (char *)ISO_sys_id(unix_buf), 32);
324 copystring(volid, (char *)ISO_vol_id(unix_buf), 32);
325 copystring(volsetid, (char *)ISO_vol_set_id(unix_buf), 128);
326 copystring(pubid, (char *)ISO_pub_id(unix_buf), 128);
327 copystring(prepid, (char *)ISO_prep_id(unix_buf), 128);
328 copystring(applid, (char *)ISO_appl_id(unix_buf), 128);
329 copystring(copyfile, (char *)ISO_copyr_id(unix_buf), 37);
330 copystring(absfile, (char *)ISO_abstr_id(unix_buf), 37);
331 copystring(bibfile, (char *)ISO_bibli_id(unix_buf), 37);
332 PUTSECTOR(unix_buf, unix_pvd_sec_no, 1);
333 /*
334 * after update unix volume descriptor,
335 * fall thru to update the iso primary vol descriptor
336 */
337 case 1:
338 copystring(sysid, (char *)ISO_sys_id(iso_buf), 32);
339 copystring(volid, (char *)ISO_vol_id(iso_buf), 32);
340 copystring(volsetid, (char *)ISO_vol_set_id(iso_buf), 128);
341 copystring(pubid, (char *)ISO_pub_id(iso_buf), 128);
342 copystring(prepid, (char *)ISO_prep_id(iso_buf), 128);
343 copystring(applid, (char *)ISO_appl_id(iso_buf), 128);
344 copystring(copyfile, (char *)ISO_copyr_id(iso_buf), 37);
345 copystring(absfile, (char *)ISO_abstr_id(iso_buf), 37);
346 copystring(bibfile, (char *)ISO_bibli_id(iso_buf), 37);
347 PUTSECTOR(iso_buf, iso_pvd_sec_no, 1);
348 break;
349 }
350 }
351
352 static void
353 prntlabel(void)
354 {
355 int i;
356 switch (cd_type) {
357 case 0:
358 printf("CD-ROM is in High Sierra format\n");
359 sysid = (char *)HSV_sys_id(hs_buf);
360 volid = (char *)HSV_vol_id(hs_buf);
361 volsetid = (char *)HSV_vol_set_id(hs_buf);
362 pubid = (char *)HSV_pub_id(hs_buf);
363 prepid = (char *)HSV_prep_id(hs_buf);
364 applid = (char *)HSV_appl_id(hs_buf);
365 copyfile = (char *)HSV_copyr_id(hs_buf);
366 absfile = (char *)HSV_abstr_id(hs_buf);
367 bibfile = NULL;
368 volsetsize = HSV_SET_SIZE(hs_buf);
369 volsetseq = HSV_SET_SEQ(hs_buf);
370 blksize = HSV_BLK_SIZE(hs_buf);
371 volsize = HSV_VOL_SIZE(hs_buf);
372 break;
373 case 1:
374 printf("CD-ROM is in ISO 9660 format\n");
375 sysid = (char *)ISO_sys_id(iso_buf);
376 volid = (char *)ISO_vol_id(iso_buf);
377 volsetid = (char *)ISO_vol_set_id(iso_buf);
378 pubid = (char *)ISO_pub_id(iso_buf);
379 prepid = (char *)ISO_prep_id(iso_buf);
380 applid = (char *)ISO_appl_id(iso_buf);
381 copyfile = (char *)ISO_copyr_id(iso_buf);
382 absfile = (char *)ISO_abstr_id(iso_buf);
383 bibfile = (char *)ISO_bibli_id(iso_buf);
384 volsetsize = ISO_SET_SIZE(iso_buf);
385 volsetseq = ISO_SET_SEQ(iso_buf);
386 blksize = ISO_BLK_SIZE(iso_buf);
387 volsize = ISO_VOL_SIZE(iso_buf);
388 break;
389 case 2:
390 printf("CD-ROM is in ISO 9660 format with UNIX extension\n");
391 sysid = (char *)ISO_sys_id(unix_buf);
392 volid = (char *)ISO_vol_id(unix_buf);
393 volsetid = (char *)ISO_vol_set_id(unix_buf);
394 pubid = (char *)ISO_pub_id(unix_buf);
395 prepid = (char *)ISO_prep_id(unix_buf);
396 applid = (char *)ISO_appl_id(unix_buf);
397 copyfile = (char *)ISO_copyr_id(unix_buf);
398 absfile = (char *)ISO_abstr_id(unix_buf);
399 bibfile = (char *)ISO_bibli_id(unix_buf);
400 volsetsize = ISO_SET_SIZE(unix_buf);
401 volsetseq = ISO_SET_SEQ(unix_buf);
402 blksize = ISO_BLK_SIZE(unix_buf);
403 volsize = ISO_VOL_SIZE(unix_buf);
404 break;
405 default:
406 return;
407 }
408 /* system id */
409 prntstring("System id", sysid, 32);
410 /* read volume id */
411 prntstring("Volume id", volid, 32);
412 /* read volume set id */
413 prntstring("Volume set id", volsetid, 128);
414 /* publisher id */
415 prntstring("Publisher id", pubid, 128);
416 /* data preparer id */
417 prntstring("Data preparer id", prepid, 128);
418 /* application id */
419 prntstring("Application id", applid, 128);
420 /* copyright file identifier */
421 prntstring("Copyright File id", copyfile, 37);
422 /* Abstract file identifier */
423 prntstring("Abstract File id", absfile, 37);
424 /* Bibliographic file identifier */
425 prntstring("Bibliographic File id", bibfile, 37);
426 /* print volume set size */
427 printf("Volume set size is %d\n", volsetsize);
428 /* print volume set sequnce number */
429 printf("Volume set sequence number is %d\n", volsetseq);
430 /* print logical block size */
431 printf("Logical block size is %d\n", blksize);
432 /* print volume size */
433 printf("Volume size is %d\n", volsize);
434 }
435
436 static void
437 copystring(char *from, char *to, int size)
438 {
439 int i;
440
441 if (from == NULL)
442 return;
443 for (i = 0; i < size; i++) {
444 if (*from == '\0')
445 break;
446 else *to++ = *from++;
447 }
448 for (; i < size; i++) *to++ = ' ';
449 }
450
451 static void
452 prntstring(char *heading, char *s, int maxlen)
453 {
454 int i;
455 if (maxlen < 1)
456 return;
457 if (heading == NULL || s == NULL)
458 return;
459 /* print heading */
460 printf("%s: ", heading);
461
462 /* strip off trailing zeros */
463 for (i = maxlen-1; i >= 0; i--)
464 if (s[i] != ' ')
465 break;
466
467 maxlen = i+1;
468 for (i = 0; i < maxlen; i++)
469 printf("%c", s[i]);
470 printf("\n");
471 }
472
473 static int
474 match(char *s)
475 {
476 char *cs;
477
478 cs = string;
479 while (*cs++ == *s)
480 if (*s++ == '\0')
481 goto true;
482 if (*s != '\0')
483 return (0);
484
485 true:
486 cs--;
487 string = cs;
488 return (1);
489 }
490
491 /* readdisk - read from cdrom image file */
492 static void
493 getdisk(char *buf, int daddr, int size)
494 {
495
496 if (lseek(cdfd, daddr, L_SET) == -1) {
497 sprintf(errstrng, "%s: getdisk: lseek()", callname);
498 perror(errstrng);
499 exit(32);
500 }
501 if (read(cdfd, buf, size) != size) {
502 sprintf(errstrng, "%s: getdisk: read()", callname);
503 perror(errstrng);
504 exit(32);
505 }
506 }
507
508 /* putdisk - write to cdrom image file */
509 static void
510 putdisk(char *buf, int daddr, int size)
511 {
512
513 if (lseek(cdfd, daddr, L_SET) == -1) {
514 sprintf(errstrng, "%s: putdisk: lseek()", callname);
515 perror(errstrng);
516 exit(32);
517 }
518 if (write(cdfd, buf, size) != size) {
519 sprintf(errstrng, "%s: putdisk: write()", callname);
520 perror(errstrng);
521 exit(32);
522 }
523 }
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