xref: /titanic_51/usr/src/cmd/cdrw/copycd.c (revision 42487ff1899d230ad6c2d55cf9573489ca5eb770)
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 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <sys/types.h>
32 #include <errno.h>
33 #include <limits.h>
34 #include <unistd.h>
35 #include <libintl.h>
36 #include <string.h>
37 
38 #include "main.h"
39 #include "util.h"
40 #include "misc_scsi.h"
41 #include "mmc.h"
42 #include "bstream.h"
43 #include "device.h"
44 #include "msgs.h"
45 #include "transport.h"
46 
47 struct t_data {
48 	bstreamhandle h;
49 	struct track_info ti;
50 };
51 
52 int read_audio_track(cd_device *dev, struct track_info *ti, bstreamhandle h);
53 
54 #define	READ_BURST	24	/* < 64K in all cases */
55 
56 /*
57  * This reads the data off of a cd while updating the progress indicator.
58  * We want to do this in smaller chunks since some CD drives have
59  * problems with larger reads.
60  */
61 static int
62 read_data_track(cd_device *dev, struct track_info *ti, bstreamhandle h)
63 {
64 	int blksize;
65 	uint32_t blks_read, cblk, read_chunk, read_size;
66 	uchar_t *buf;
67 	int ret, sav;
68 	int link_blks_count;
69 
70 	buf = NULL;
71 	ret = 0;
72 
73 	/*
74 	 * the last link_blks_count blocks may not exist or be completely
75 	 * filled. We need to record the amount to avoid bailing out if
76 	 * they cannot be read.
77 	 */
78 
79 	if (dev->d_blksize == 512) {
80 		blksize = 512;
81 		link_blks_count = 8;
82 	} else {
83 		blksize = 2048;
84 		link_blks_count = 2;
85 	}
86 
87 	buf = (uchar_t *)my_zalloc(READ_BURST * blksize);
88 
89 	print_n_flush(gettext("Reading track %d..."), ti->ti_track_no);
90 
91 	if (verbose)
92 		print_n_flush("Track size is %u...", ti->ti_track_size);
93 
94 	init_progress();
95 	cblk = ti->ti_start_address;
96 	blks_read = 0;
97 	while (blks_read < ti->ti_track_size) {
98 		/* Last few are special */
99 		read_chunk = ti->ti_track_size - blks_read - link_blks_count;
100 		read_chunk = (read_chunk > READ_BURST) ? READ_BURST :
101 		    read_chunk;
102 		if (read_chunk == 0) {
103 			/* Time for last link blocks */
104 			read_chunk = link_blks_count;
105 		}
106 		read_size = read_chunk * blksize;
107 		if (read10(dev->d_fd, cblk, read_chunk, buf, read_size)) {
108 			if (h->bstr_write(h, buf, read_size) != read_size) {
109 				goto read_data_track_failed;
110 			}
111 		} else {
112 			if (blks_read !=
113 			    (ti->ti_track_size - link_blks_count)) {
114 				goto read_data_track_failed;
115 			} else {
116 			/* Read can fail for last link sectors */
117 				errno = 0;
118 			}
119 		}
120 		blks_read += read_chunk;
121 		cblk += read_chunk;
122 		(void) progress((ti->ti_track_size), blks_read);
123 	}
124 	/* l10n_NOTE : 'done' as in "Reading track 1...done"  */
125 	(void) str_print(gettext("done.\n"), progress_pos);
126 	ret = 1;
127 read_data_track_failed:
128 	sav = errno;
129 
130 	free(buf);
131 	errno = sav;
132 	return (ret);
133 }
134 
135 static void
136 ensure_media_space(uint32_t total_nblks, uchar_t end_tno)
137 {
138 	off_t nblks_avail;
139 	uint_t bsize;
140 	uint_t leadin_size = 0;
141 
142 	get_media_type(target->d_fd);
143 
144 	if (use_media_stated_capacity) {
145 		nblks_avail = get_last_possible_lba(target);
146 
147 		if (nblks_avail <= 0) {
148 
149 			/* most newer drives use READ FORMAT CAPACITY */
150 			nblks_avail = read_format_capacity(target->d_fd,
151 			    &bsize);
152 
153 			/* if both methods fail no choice but to bail out */
154 			if (nblks_avail <= 0) {
155 
156 				err_msg(gettext(
157 				    "Cannot find out media capacity.\n"));
158 				exit(1);
159 			}
160 		leadin_size = end_tno*300;
161 		}
162 	} else {
163 		if (device_type == CD_RW) {
164 			nblks_avail = MAX_CD_BLKS;
165 		} else {
166 			/*
167 			 * For DVD drives use read_format_capacity as default
168 			 * retrieve the media size, it can be 3.6, 3.9, 4.2,
169 			 * 4.7, or 9.2 GB
170 			 */
171 			nblks_avail =
172 			    read_format_capacity(target->d_fd, &bsize);
173 
174 			/* sanity check. if not reasonable default to 4.7 GB */
175 			if (nblks_avail < MAX_CD_BLKS) {
176 				nblks_avail = MAX_DVD_BLKS;
177 			}
178 		}
179 	}
180 
181 	if ((total_nblks + leadin_size) > nblks_avail) {
182 		err_msg(gettext("Not enough space on the media.\n"));
183 		if (debug) {
184 			(void) printf("Need %u  only found %u \n",
185 			    (total_nblks + leadin_size),
186 			    (uint32_t)nblks_avail);
187 		}
188 
189 		exit(1);
190 	}
191 }
192 
193 /*
194  * This copies both audio and data CDs. It first reads the TOC of the source CD
195  * and creates a temp file with the CD image. After this is completed it creates
196  * the target CD using TAO mode.
197  */
198 void
199 copy_cd(void)
200 {
201 	cd_device *src;
202 	char *p;
203 	uchar_t *toc, end_tno;
204 	int blksize, i;
205 	int audio_cd, data_cd;
206 	uint32_t total_nblks;
207 	int ret;
208 	struct t_data *tlist;
209 
210 	print_n_flush(gettext("Analyzing source CD..."));
211 	(void) check_device(target,
212 	    CHECK_DEVICE_NOT_WRITABLE|EXIT_IF_CHECK_FAILED);
213 
214 	/* if source drive is specified on the command line */
215 
216 	if (copy_src) {
217 		p = my_zalloc(PATH_MAX);
218 		if (lookup_device(copy_src, p) == 0) {
219 			err_msg(gettext("Cannot find device %s"), copy_src);
220 			err_msg(gettext(" or no media in the drive\n"));
221 			exit(1);
222 		}
223 		src = get_device(copy_src, p);
224 		if (src == NULL) {
225 			err_msg(gettext("Unable to open %s\n"), copy_src);
226 			exit(1);
227 		}
228 		free(p);
229 	} else {
230 		/* source is same as target drive */
231 		src = target;
232 	}
233 
234 	(void) check_device(src, CHECK_TYPE_NOT_CDROM | CHECK_NO_MEDIA |
235 	    CHECK_DEVICE_NOT_READY | EXIT_IF_CHECK_FAILED);
236 
237 	toc = (uchar_t *)my_zalloc(4);
238 	if (!read_toc(src->d_fd, 0, 0, 4, toc)) {
239 		err_msg(gettext("Cannot read table of contents\n"));
240 		exit(1);
241 	}
242 	end_tno = toc[3];
243 	free(toc);
244 	tlist = (struct t_data *)my_zalloc(end_tno * sizeof (struct t_data));
245 
246 	audio_cd = data_cd = 0;
247 	total_nblks = 0;
248 
249 	/* build track information so we can copy it over */
250 	for (i = 1; i <= end_tno; i++) {
251 		struct track_info *ti;
252 
253 		ti = &tlist[i - 1].ti;
254 		if (!build_track_info(src, i, ti)) {
255 			err_msg(gettext(
256 			    "Cannot get information for track %d\n"), i);
257 			exit(1);
258 		}
259 		total_nblks += ti->ti_track_size;
260 		if (ti->ti_track_mode & 4)
261 			data_cd = 1;
262 		else
263 			audio_cd = 1;
264 
265 		/* Now some sanity checks on the track information */
266 		if ((ti->ti_flags & TI_SESSION_NO_VALID) &&
267 		    (ti->ti_session_no != 1)) {
268 			err_msg(
269 			gettext("Copying multisession CD is not supported\n"));
270 			exit(1);
271 		}
272 		if ((ti->ti_flags & TI_BLANK_TRACK) ||
273 		    (ti->ti_flags & TI_DAMAGED_TRACK) ||
274 		    (data_cd && audio_cd) || (ti->ti_data_mode == 2)) {
275 
276 		    err_msg(gettext("CD format is not supported\n"));
277 			exit(1);
278 		}
279 		if ((ti->ti_flags & TI_NWA_VALID) &&
280 		    (ti->ti_nwa != 0xffffffff)) {
281 			err_msg(gettext("Cannot copy incomplete discs\n"));
282 			exit(1);
283 		}
284 	}
285 	/* l10n_NOTE : 'done' as in "Analyzing source CD...done"  */
286 	(void) printf(gettext("done.\n"));
287 
288 	if (data_cd) {
289 		blksize = 2048;
290 	} else {
291 		/* audio cd */
292 		blksize = 2352;
293 	}
294 
295 	/* In case of audio CDs, build_track_info() returns 2352 sized nblks */
296 	if (src->d_blksize == 512 && data_cd) {
297 		total_nblks /= 4;
298 	}
299 	(void) printf(gettext("\nCopying %d %s track%s : %ld kbytes\n\n"),
300 	    end_tno, (audio_cd == 1) ? gettext("audio") : gettext("data"),
301 	    (end_tno > 1) ? "s" : "", (long)((total_nblks*blksize)/1024));
302 
303 	if ((ret = check_avail_temp_space(total_nblks*blksize)) != 0) {
304 		err_msg(gettext("Cannot use temporary directory : %s\n"),
305 		    strerror(ret));
306 		err_msg(gettext("Use -m to specify alternate"
307 		    " temporary directory\n"));
308 		exit(1);
309 	}
310 
311 	/*
312 	 * If we can check available space on the target media at this
313 	 * Stage, then it is always better. We cannot check DVD+R(W)
314 	 * as this media may be formatted and not blank.
315 	 */
316 	if (target && (src != target) && (device_type != DVD_PLUS) &&
317 	    (device_type != DVD_PLUS_W) && (!check_device(target,
318 	    CHECK_NO_MEDIA|CHECK_MEDIA_IS_NOT_BLANK))) {
319 		ensure_media_space(total_nblks, end_tno);
320 	}
321 
322 	/* for each track */
323 	for (i = 1; i <= end_tno; i++) {
324 		tlist[i - 1].h = open_temp_file_stream();
325 		if (tlist[i - 1].h == NULL) {
326 			err_msg(gettext("Cannot create temporary file : %s\n"),
327 			    get_err_str());
328 			exit(1);
329 		}
330 
331 		if (audio_cd)
332 			ret = read_audio_track(src, &tlist[i - 1].ti,
333 			    tlist[i - 1].h);
334 		else
335 			ret = read_data_track(src, &tlist[i - 1].ti,
336 			    tlist[i - 1].h);
337 		if (ret == 0) {
338 			err_msg(gettext("Error reading track %d : %s\n"), i,
339 			    get_err_str());
340 			if (debug)
341 				(void) printf("%x %x %x %x\n", uscsi_status,
342 				    SENSE_KEY(rqbuf), ASC(rqbuf), ASCQ(rqbuf));
343 			exit(1);
344 		}
345 	}
346 
347 	/*
348 	 * We've finished copying the CD. If source and destination are the same
349 	 * or they where not specified then eject the disk and wait for a new
350 	 * disk to be inserted.
351 	 */
352 
353 	while ((target == NULL) ||
354 	    check_device(target, CHECK_NO_MEDIA|CHECK_MEDIA_IS_NOT_BLANK)) {
355 		if (target != NULL) {
356 			(void) eject_media(target);
357 		}
358 
359 		(void) printf("\n");
360 		print_n_flush(
361 		gettext("Insert a blank media in the drive and press Enter."));
362 		(void) fflush(stdin);
363 		if (target) {
364 			fini_device(target);
365 			target = NULL;
366 		}
367 		(void) getchar();
368 		(void) sleep(4);
369 		(void) setup_target(SCAN_WRITERS);
370 	}
371 	(void) printf("\n");
372 	(void) setreuid(ruid, 0);
373 
374 	if ((device_type != DVD_PLUS) && (device_type != DVD_PLUS_W)) {
375 		ensure_media_space(total_nblks, end_tno);
376 		write_init(audio_cd ? TRACK_MODE_AUDIO : TRACK_MODE_DATA);
377 	}
378 
379 	if (device_type == DVD_PLUS_W) {
380 		/*
381 		 * DVD+RW requires that we format the media before
382 		 * writing.
383 		 */
384 		(void) print_n_flush(gettext("Formatting media..."));
385 		if (!format_media(target->d_fd)) {
386 			(void) printf(gettext(
387 			    "Could not format media\n"));
388 			exit(1);
389 		} else {
390 			int counter;
391 			uchar_t *di;
392 
393 			/* poll until format is done */
394 			di = (uchar_t *)my_zalloc(DISC_INFO_BLOCK_SIZE);
395 			(void) sleep(10);
396 			for (counter = 0; counter < 200; counter++) {
397 				ret = read_disc_info(target->d_fd, di);
398 				if ((SENSE_KEY(rqbuf) == 2) &&
399 				    (ASC(rqbuf) == 4)) {
400 					(void) print_n_flush(".");
401 					(void) sleep(5);
402 				} else {
403 					break;
404 				}
405 			}
406 		}
407 	}
408 
409 	/* for each track */
410 	for (i = 0; i < end_tno; i++) {
411 		/*
412 		 * DVD's dont contain tracks and need to be written in DAO
413 		 * mode.
414 		 */
415 		if (device_type != CD_RW) {
416 			if (end_tno > 1) {
417 				err_msg(gettext(
418 				    "Media state is not suitable for this"
419 				    " write mode.\n"));
420 			}
421 			write_mode = DAO_MODE;
422 
423 			/*
424 			 * DVD-R(W) and DVD+R needs to have space reserved
425 			 * prior to writing.
426 			 */
427 			if ((device_type == DVD_MINUS) ||
428 			    (device_type == DVD_PLUS)) {
429 				if (!set_reservation(target->d_fd,
430 				    total_nblks + 1)) {
431 					(void) printf(gettext(
432 					    "Setting reservation failed\n"));
433 					exit(1);
434 				}
435 			}
436 		}
437 
438 		write_next_track(audio_cd ? TRACK_MODE_AUDIO : TRACK_MODE_DATA,
439 		    tlist[i].h);
440 
441 		/*
442 		 * Running in simulation mode and writing several tracks is
443 		 * useless so bail after the first track is done.
444 		 */
445 
446 		if (simulation && (end_tno != 1)) {
447 			(void) printf(gettext(
448 			"Simulation mode : skipping remaining tracks\n"));
449 			break;
450 		}
451 	}
452 
453 	write_fini();
454 	/* close the temp file handles */
455 	for (i = 0; i < end_tno; i++)
456 		(tlist[i].h)->bstr_close(tlist[i].h);
457 	free(tlist);
458 	fini_device(target);
459 	exit(0);
460 }
461