xref: /illumos-gate/usr/src/cmd/cdrw/main.c (revision 410c4fb9ef2c1b77143344000d65f79d388900d8)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <sys/types.h>
31 #include <limits.h>
32 #include <unistd.h>
33 #include <libintl.h>
34 #include <locale.h>
35 #include <dbus/dbus.h>
36 #include <hal/libhal.h>
37 
38 #include "msgs.h"
39 #include "device.h"
40 #include "util.h"
41 #include "main.h"
42 #include "options.h"
43 #include "mmc.h"
44 #include "misc_scsi.h"
45 
46 /*
47  * global flags
48  */
49 int	debug = 0;
50 int	use_media_stated_capacity = 0;
51 int	keep_disc_open = 0;
52 int	requested_speed = 0;
53 int	simulation = 0;
54 int	verbose = 0;
55 char	*image_file = NULL;
56 char	*blanking_type = NULL;
57 int	audio_type = AUDIO_TYPE_NONE;
58 int	extract_track_no = 0;
59 char	*extract_file = NULL;
60 char	*alt_tmp_dir = NULL;
61 char	*copy_src = NULL;
62 int	vol_running = 0;
63 int	cflag = 0;
64 int	tflag = 0;
65 uid_t	ruid, cur_uid;
66 
67 /*
68  * global variables
69  */
70 cd_device *target = NULL;		/* Default target device */
71 static char *tgtdev = NULL;
72 int device_type = CD_RW;		/* Default to CD/RW */
73 int write_mode = TAO_MODE;		/* Default to track at once */
74 
75 static void
76 print_usage(void)
77 {
78 	err_msg(gettext("USAGE:\n"));
79 	err_msg(gettext("\tcdrw -i [ -vSCO ] [ -d device ] [ -p speed ]"));
80 	err_msg(gettext(" [ image-file ]\n"));
81 	err_msg(gettext("\tcdrw -a [ -vSCO ] [ -d device ] [ -p speed ]"));
82 	err_msg(gettext(" [ -T audio-type ] audio-file1 audio-file2 ...\n"));
83 	err_msg(gettext("\tcdrw -x [ -v ] [ -d device ] [ -T audio-type ]"));
84 	err_msg(gettext(" track-number audio-file\n"));
85 	err_msg(gettext("\tcdrw -c [ -SC ] [ -d device ] [ -p speed ]"));
86 	err_msg(gettext(" [ -m tmp-dir ] [ -s src-device ]\n"));
87 	err_msg(
88 	    gettext("\tcdrw -b [ -v ] [ -d device ] all | session | fast\n"));
89 	err_msg(gettext("\tcdrw -M [ -v ] [ -d device ]\n"));
90 	err_msg(gettext("\tcdrw -L [ -v ] [ -d device ]\n"));
91 	err_msg(gettext("\tcdrw -l [ -v ]\n"));
92 	err_msg(gettext("\tcdrw -h\n"));
93 
94 	exit(2);
95 }
96 
97 static void
98 check_invalid_option(options *specified, char *opstr)
99 {
100 	options c_op;
101 	int ret;
102 
103 	set_options_mask(&c_op, opstr);
104 	if ((ret = compare_options_mask(&c_op, specified)) != 0) {
105 		err_msg(
106 		    gettext("Option %c is not defined for this operation.\n"),
107 		    (char)ret);
108 		print_usage();
109 	}
110 }
111 
112 LibHalContext *
113 attach_to_hald(void)
114 {
115 	LibHalContext *ctx = NULL;
116 	DBusConnection *con = NULL;
117 	DBusError error;
118 	hal_state_t state;
119 
120 	/* Initialize the dbus error states */
121 	dbus_error_init(&error);
122 
123 	if ((con = dbus_bus_get(DBUS_BUS_SYSTEM, &error)) == NULL) {
124 		return (NULL);
125 	}
126 	state = DBUS_CONNECTION;
127 
128 	/* Allocate a new hal context to work with the dbus */
129 	if ((ctx = libhal_ctx_new()) == NULL)
130 		return (NULL);
131 	state = HAL_CONTEXT;
132 
133 	/* Pair up the context with the connection */
134 	if (!libhal_ctx_set_dbus_connection(ctx, con))
135 		goto fail;
136 	state = HAL_PAIRED;
137 
138 	/* If libhal_ctx_init fails hald is not present */
139 	if (!libhal_ctx_init(ctx, &error)) {
140 		goto fail;
141 	}
142 	state = HAL_INITIALIZED;
143 
144 	return (ctx);
145 fail:
146 	if (dbus_error_is_set(&error))
147 		dbus_error_free(&error);
148 	detach_from_hald(ctx, state);
149 	return (NULL);
150 
151 }
152 
153 void
154 detach_from_hald(LibHalContext *ctx, hal_state_t state)
155 {
156 	DBusError error;
157 	DBusConnection *con = libhal_ctx_get_dbus_connection(ctx);
158 
159 	dbus_error_init(&error);
160 
161 	switch (state) {
162 	case HAL_INITIALIZED:
163 		if (libhal_ctx_shutdown(ctx, &error) == FALSE)
164 			if (dbus_error_is_set(&error))
165 				dbus_error_free(&error);
166 	/*FALLTHROUGH*/
167 	case HAL_PAIRED:
168 		(void) libhal_ctx_free(ctx);
169 		dbus_connection_unref(con);
170 		break;
171 	case HAL_CONTEXT:
172 		(void) libhal_ctx_free(ctx);
173 		break;
174 	case DBUS_CONNECTION:
175 	default:
176 		break;
177 	}
178 }
179 
180 /*
181  * This function returns one if hald is running and
182  * zero if hald is not running
183  */
184 int
185 hald_running(void)
186 {
187 	LibHalContext *ctx;
188 
189 	if ((ctx = attach_to_hald()) == NULL)
190 		return (0);
191 
192 	detach_from_hald(ctx, HAL_INITIALIZED);
193 	return (1);
194 }
195 
196 int
197 setup_target(int flag)
198 {
199 	char *devpath;
200 
201 	if (tgtdev != NULL) {
202 		devpath = (char *)my_zalloc(PATH_MAX);
203 		if (lookup_device(tgtdev, devpath)) {
204 			target = get_device(tgtdev, devpath);
205 		}
206 		free(devpath);
207 		if (target == NULL) {
208 			return (0);
209 		}
210 		return (1);
211 	}
212 	return (scan_for_cd_device(flag, &target));
213 }
214 
215 int
216 main(int argc, char **argv)
217 {
218 	int		c;
219 	int		operations;
220 	options		specified_ops;
221 	int		aflag, iflag, Mflag, Lflag, lflag, bflag, xflag;
222 	int		ret;
223 
224 	(void) setlocale(LC_ALL, "");
225 
226 #if !defined(TEXT_DOMAIN)
227 #define	TEXT_DOMAIN	"SYS_TEST"
228 #endif
229 
230 
231 	(void) textdomain(TEXT_DOMAIN);
232 
233 	ruid = getuid();
234 	cur_uid = geteuid();
235 
236 	if (check_auth(ruid) != 1)  {
237 		err_msg(gettext(
238 		    "Authorization failed, Cannot access disks.\n"));
239 		exit(1);
240 	}
241 
242 	if ((cur_uid == 0) && (ruid != 0)) {
243 		priv_change_needed = 1;
244 		lower_priv();
245 	}
246 
247 	vol_running = hald_running();
248 
249 	tgtdev = NULL;
250 	operations = 0;
251 	set_options_mask(&specified_ops, "");
252 	iflag = Mflag = Lflag = lflag = bflag = aflag = xflag = cflag = 0;
253 
254 	while ((c = getopt(argc, argv, "abcCd:hiLlm:MOp:s:ST:vVx")) != EOF) {
255 		add_option(&specified_ops, c);
256 		switch (c) {
257 		case 'a':
258 			aflag = 1;
259 			operations++;
260 			break;
261 		case 'b':
262 			bflag = 1;
263 			operations++;
264 			break;
265 		case 'c':
266 			cflag = 1;
267 			operations++;
268 			break;
269 		case 'C':
270 			use_media_stated_capacity = 1;
271 			break;
272 		case 'd':
273 			tgtdev = optarg;
274 			break;
275 		case 'h':
276 			print_usage(); /* will not return */
277 			break;
278 		case 'i':
279 			iflag = 1;
280 			operations++;
281 			break;
282 		case 'L':
283 			Lflag = 1;
284 			operations++;
285 			break;
286 		case 'l':
287 			lflag = 1;
288 			operations++;
289 			break;
290 		case 'm':
291 			alt_tmp_dir = optarg;
292 			break;
293 		case 'M':
294 			Mflag = 1;
295 			operations++;
296 			break;
297 		case 'O':
298 			keep_disc_open = 1;
299 			break;
300 		case 'p':
301 			requested_speed = atoi(optarg);
302 			break;
303 		case 's':
304 			copy_src = optarg;
305 			break;
306 		case 'S':
307 			simulation++;
308 			break;
309 		case 'T':
310 			audio_type = get_audio_type(optarg);
311 			if (audio_type == -1) {
312 				err_msg(gettext("Unknown audio type %s\n"),
313 				    optarg);
314 				exit(1);
315 			}
316 			break;
317 		case 'v':
318 			verbose++;
319 			break;
320 		case 'V':
321 			/*
322 			 * more verbose. this will print out debug comments
323 			 */
324 
325 			debug++;
326 			break;
327 		case 'x':
328 			xflag++;
329 			operations++;
330 			break;
331 		default:
332 			print_usage();
333 		}
334 	}
335 	if (operations == 0) {
336 		err_msg(gettext("No operation specified.\n"));
337 		exit(1);
338 	}
339 	if (operations != 1) {
340 		err_msg(gettext("More than one operation specified.\n"));
341 		exit(1);
342 	}
343 
344 	if (lflag) {
345 		check_invalid_option(&specified_ops, "lhvV");
346 		list();
347 	}
348 
349 	/*
350 	 * we'll allow the user to specify the source device (-s) when
351 	 *  extracting audio.
352 	 */
353 
354 	if (xflag && copy_src)
355 		tgtdev = copy_src;
356 
357 	/*
358 	 * This will scan for all CD devices when xflag or Mflag
359 	 * (extract audio, list toc) commands are used, providing
360 	 * no CD-RW devices are found. Since these commands can
361 	 * be used without a CD writer.
362 	 */
363 
364 	if (xflag || Mflag) {
365 		ret = setup_target(SCAN_ALL_CDS);
366 	} else {
367 		ret = setup_target(SCAN_WRITERS);
368 	}
369 
370 	if (ret == 0) {
371 
372 		if (tgtdev != NULL) {
373 			err_msg(gettext(
374 			    "Cannot find device %s.\n"), tgtdev);
375 
376 		}
377 
378 		if (vol_running) {
379 			err_msg(gettext(
380 			    "No CD writers found or no media in the drive.\n"));
381 		} else {
382 			if (cur_uid != 0) {
383 				err_msg(gettext(
384 				    "Volume manager is not running.\n"));
385 				err_msg(gettext(
386 "Please start volume manager or run cdrw as root to access all devices.\n"));
387 			} else {
388 				err_msg(gettext(
389 				    "No CD writers found.\n"));
390 			}
391 		}
392 		exit(1);
393 
394 	} else if (ret != 1) {
395 		err_msg(gettext("More than one CD device found.\n"));
396 		err_msg(gettext("Specify one using -d option.\n"));
397 		err_msg(gettext(
398 		    "Or use -l option to list all the CD devices found\n"));
399 		exit(1);
400 	}
401 	(void) check_device(target, CHECK_TYPE_NOT_CDROM|EXIT_IF_CHECK_FAILED);
402 
403 	if (check_device(target, CHECK_NO_MEDIA) == 0) {
404 		int retry;
405 		for (retry = 0; retry < 5; retry++) {
406 			if (check_device(target, CHECK_DEVICE_NOT_READY) == 0)
407 				break;
408 			(void) sleep(3);
409 		}
410 	}
411 
412 	if (aflag) {
413 		check_invalid_option(&specified_ops, "ahvSCOdpTV");
414 		if (optind == argc) {
415 			err_msg(gettext("No audio files specified.\n"));
416 			exit(1);
417 		}
418 		write_audio(argv, optind, argc);
419 	}
420 	if (Mflag) {
421 		check_invalid_option(&specified_ops, "MhvdV");
422 		info();
423 	}
424 	if (iflag) {
425 		check_invalid_option(&specified_ops, "ihvSCOdpV");
426 		if (optind == (argc - 1)) {
427 			image_file = argv[optind];
428 			write_image();
429 		}
430 		if (optind == argc)
431 			write_image();
432 		err_msg(gettext("Command line parsing error.\n"));
433 		err_msg(gettext("Only one image-file can be specified.\n"));
434 		exit(1);
435 	}
436 	if (bflag) {
437 		check_invalid_option(&specified_ops, "bhvdV");
438 		if (optind != (argc - 1)) {
439 			err_msg(gettext("Command line parsing error.\n"));
440 			print_usage();
441 		}
442 		blanking_type = argv[argc - 1];
443 		blank();
444 	}
445 	if (xflag) {
446 		check_invalid_option(&specified_ops, "xhpvdsTV");
447 		if (optind != (argc - 2)) {
448 			err_msg(gettext("Command line parsing error.\n"));
449 			print_usage();
450 		}
451 		extract_track_no = atoi(argv[argc - 2]);
452 		extract_file = argv[argc - 1];
453 		extract_audio();
454 	}
455 	if (cflag) {
456 		check_invalid_option(&specified_ops, "chvSCdpmsV");
457 		copy_cd();
458 	}
459 
460 	/*
461 	 * Open a closed disk, we do this by erasing the track tail
462 	 * and then re-finalizing with an open leadout.
463 	 */
464 	if (Lflag) {
465 		check_invalid_option(&specified_ops, "LvdV");
466 		(void) check_device(target, CHECK_NO_MEDIA |
467 		    CHECK_DEVICE_NOT_READY | EXIT_IF_CHECK_FAILED);
468 
469 		/* no need to erase blank media */
470 		if (!check_device(target, CHECK_MEDIA_IS_NOT_BLANK))
471 			exit(0);
472 
473 		blanking_type = "leadout";
474 		blank();
475 
476 		write_init(TRACK_MODE_DATA);
477 		(void) close_track(target->d_fd, 0, 1, 1);
478 		(void) finalize(target);
479 		(void) printf(gettext("done.\n"));
480 		exit(0);
481 	}
482 	return (0);
483 }
484