xref: /illumos-gate/usr/src/cmd/cdrw/main.c (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
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 #include <stdio.h>
27 #include <stdlib.h>
28 #include <sys/types.h>
29 #include <limits.h>
30 #include <unistd.h>
31 #include <libintl.h>
32 #include <locale.h>
33 #include <dbus/dbus.h>
34 #include <hal/libhal.h>
35 
36 #include "msgs.h"
37 #include "device.h"
38 #include "util.h"
39 #include "main.h"
40 #include "options.h"
41 #include "mmc.h"
42 #include "misc_scsi.h"
43 
44 /*
45  * global flags
46  */
47 int	debug = 0;
48 int	keep_disc_open = 0;
49 int	requested_speed = 0;
50 int	simulation = 0;
51 int	verbose = 0;
52 char	*image_file = NULL;
53 char	*blanking_type = NULL;
54 int	audio_type = AUDIO_TYPE_NONE;
55 int	extract_track_no = 0;
56 char	*extract_file = NULL;
57 char	*alt_tmp_dir = NULL;
58 char	*copy_src = NULL;
59 int	vol_running = 0;
60 int	cflag = 0;
61 int	tflag = 0;
62 uid_t	ruid, cur_uid;
63 
64 /*
65  * global variables
66  */
67 cd_device *target = NULL;		/* Default target device */
68 static char *tgtdev = NULL;
69 int device_type = CD_RW;		/* Default to CD/RW */
70 int write_mode = TAO_MODE;		/* Default to track at once */
71 
72 static void
73 print_usage(void)
74 {
75 	err_msg(gettext("USAGE:\n"));
76 	err_msg(gettext("\tcdrw -i [ -vSCO ] [ -d device ] [ -p speed ]"));
77 	err_msg(gettext(" [ image-file ]\n"));
78 	err_msg(gettext("\tcdrw -a [ -vSCO ] [ -d device ] [ -p speed ]"));
79 	err_msg(gettext(" [ -T audio-type ] audio-file1 audio-file2 ...\n"));
80 	err_msg(gettext("\tcdrw -x [ -v ] [ -d device ] [ -T audio-type ]"));
81 	err_msg(gettext(" track-number audio-file\n"));
82 	err_msg(gettext("\tcdrw -c [ -SC ] [ -d device ] [ -p speed ]"));
83 	err_msg(gettext(" [ -m tmp-dir ] [ -s src-device ]\n"));
84 	err_msg(
85 	    gettext("\tcdrw -b [ -v ] [ -d device ] all | session | fast\n"));
86 	err_msg(gettext("\tcdrw -M [ -v ] [ -d device ]\n"));
87 	err_msg(gettext("\tcdrw -L [ -v ] [ -d device ]\n"));
88 	err_msg(gettext("\tcdrw -l [ -v ]\n"));
89 	err_msg(gettext("\tcdrw -h\n"));
90 
91 	exit(2);
92 }
93 
94 static void
95 check_invalid_option(options *specified, char *opstr)
96 {
97 	options c_op;
98 	int ret;
99 
100 	set_options_mask(&c_op, opstr);
101 	if ((ret = compare_options_mask(&c_op, specified)) != 0) {
102 		err_msg(
103 		    gettext("Option %c is not defined for this operation.\n"),
104 		    (char)ret);
105 		print_usage();
106 	}
107 }
108 
109 LibHalContext *
110 attach_to_hald(void)
111 {
112 	LibHalContext *ctx = NULL;
113 	DBusConnection *con = NULL;
114 	DBusError error;
115 	hal_state_t state;
116 
117 	/* Initialize the dbus error states */
118 	dbus_error_init(&error);
119 
120 	if ((con = dbus_bus_get(DBUS_BUS_SYSTEM, &error)) == NULL) {
121 		return (NULL);
122 	}
123 	state = DBUS_CONNECTION;
124 
125 	/* Allocate a new hal context to work with the dbus */
126 	if ((ctx = libhal_ctx_new()) == NULL)
127 		return (NULL);
128 	state = HAL_CONTEXT;
129 
130 	/* Pair up the context with the connection */
131 	if (!libhal_ctx_set_dbus_connection(ctx, con))
132 		goto fail;
133 	state = HAL_PAIRED;
134 
135 	/* If libhal_ctx_init fails hald is not present */
136 	if (!libhal_ctx_init(ctx, &error)) {
137 		goto fail;
138 	}
139 	state = HAL_INITIALIZED;
140 
141 	return (ctx);
142 fail:
143 	if (dbus_error_is_set(&error))
144 		dbus_error_free(&error);
145 	detach_from_hald(ctx, state);
146 	return (NULL);
147 
148 }
149 
150 void
151 detach_from_hald(LibHalContext *ctx, hal_state_t state)
152 {
153 	DBusError error;
154 	DBusConnection *con = libhal_ctx_get_dbus_connection(ctx);
155 
156 	dbus_error_init(&error);
157 
158 	switch (state) {
159 	case HAL_INITIALIZED:
160 		if (libhal_ctx_shutdown(ctx, &error) == FALSE)
161 			if (dbus_error_is_set(&error))
162 				dbus_error_free(&error);
163 	/*FALLTHROUGH*/
164 	case HAL_PAIRED:
165 		(void) libhal_ctx_free(ctx);
166 		dbus_connection_unref(con);
167 		break;
168 	case HAL_CONTEXT:
169 		(void) libhal_ctx_free(ctx);
170 		break;
171 	case DBUS_CONNECTION:
172 	default:
173 		break;
174 	}
175 }
176 
177 /*
178  * This function returns one if hald is running and
179  * zero if hald is not running
180  */
181 int
182 hald_running(void)
183 {
184 	LibHalContext *ctx;
185 
186 	if ((ctx = attach_to_hald()) == NULL)
187 		return (0);
188 
189 	detach_from_hald(ctx, HAL_INITIALIZED);
190 	return (1);
191 }
192 
193 int
194 setup_target(int flag)
195 {
196 	char *devpath;
197 
198 	if (tgtdev != NULL) {
199 		devpath = (char *)my_zalloc(PATH_MAX);
200 		if (lookup_device(tgtdev, devpath)) {
201 			target = get_device(tgtdev, devpath);
202 		}
203 		free(devpath);
204 		if (target == NULL) {
205 			return (0);
206 		}
207 		return (1);
208 	}
209 	return (scan_for_cd_device(flag, &target));
210 }
211 
212 int
213 main(int argc, char **argv)
214 {
215 	int		c;
216 	int		operations;
217 	options		specified_ops;
218 	int		aflag, iflag, Mflag, Lflag, lflag, bflag, xflag;
219 	int		ret;
220 
221 	(void) setlocale(LC_ALL, "");
222 
223 #if !defined(TEXT_DOMAIN)
224 #define	TEXT_DOMAIN	"SYS_TEST"
225 #endif
226 
227 
228 	(void) textdomain(TEXT_DOMAIN);
229 
230 	ruid = getuid();
231 	cur_uid = geteuid();
232 
233 	if (check_auth(ruid) != 1)  {
234 		err_msg(gettext(
235 		    "Authorization failed, Cannot access disks.\n"));
236 		exit(1);
237 	}
238 
239 	if ((cur_uid == 0) && (ruid != 0)) {
240 		priv_change_needed = 1;
241 		lower_priv();
242 	}
243 
244 	vol_running = hald_running();
245 
246 	tgtdev = NULL;
247 	operations = 0;
248 	set_options_mask(&specified_ops, "");
249 	iflag = Mflag = Lflag = lflag = bflag = aflag = xflag = cflag = 0;
250 
251 	while ((c = getopt(argc, argv, "abcCd:hiLlm:MOp:s:ST:vVx")) != EOF) {
252 		add_option(&specified_ops, c);
253 		switch (c) {
254 		case 'a':
255 			aflag = 1;
256 			operations++;
257 			break;
258 		case 'b':
259 			bflag = 1;
260 			operations++;
261 			break;
262 		case 'c':
263 			cflag = 1;
264 			operations++;
265 			break;
266 		case 'C':
267 			/*
268 			 * cdrw now attempts to use the stated medium capacity
269 			 * by default, so this option no longer has any effect.
270 			 * It remains in the interface for backwards
271 			 * compatibility only.
272 			 */
273 			break;
274 		case 'd':
275 			tgtdev = optarg;
276 			break;
277 		case 'h':
278 			print_usage(); /* will not return */
279 			break;
280 		case 'i':
281 			iflag = 1;
282 			operations++;
283 			break;
284 		case 'L':
285 			Lflag = 1;
286 			operations++;
287 			break;
288 		case 'l':
289 			lflag = 1;
290 			operations++;
291 			break;
292 		case 'm':
293 			alt_tmp_dir = optarg;
294 			break;
295 		case 'M':
296 			Mflag = 1;
297 			operations++;
298 			break;
299 		case 'O':
300 			keep_disc_open = 1;
301 			break;
302 		case 'p':
303 			requested_speed = atoi(optarg);
304 			break;
305 		case 's':
306 			copy_src = optarg;
307 			break;
308 		case 'S':
309 			simulation++;
310 			break;
311 		case 'T':
312 			audio_type = get_audio_type(optarg);
313 			if (audio_type == -1) {
314 				err_msg(gettext("Unknown audio type %s\n"),
315 				    optarg);
316 				exit(1);
317 			}
318 			break;
319 		case 'v':
320 			verbose++;
321 			break;
322 		case 'V':
323 			/*
324 			 * more verbose. this will print out debug comments
325 			 */
326 
327 			debug++;
328 			break;
329 		case 'x':
330 			xflag++;
331 			operations++;
332 			break;
333 		default:
334 			print_usage();
335 		}
336 	}
337 	if (operations == 0) {
338 		err_msg(gettext("No operation specified.\n"));
339 		exit(1);
340 	}
341 	if (operations != 1) {
342 		err_msg(gettext("More than one operation specified.\n"));
343 		exit(1);
344 	}
345 
346 	if (lflag) {
347 		check_invalid_option(&specified_ops, "lhvV");
348 		list();
349 	}
350 
351 	/*
352 	 * we'll allow the user to specify the source device (-s) when
353 	 *  extracting audio.
354 	 */
355 
356 	if (xflag && copy_src)
357 		tgtdev = copy_src;
358 
359 	/*
360 	 * This will scan for all CD devices when xflag or Mflag
361 	 * (extract audio, list toc) commands are used, providing
362 	 * no CD-RW devices are found. Since these commands can
363 	 * be used without a CD writer.
364 	 */
365 
366 	if (xflag || Mflag) {
367 		ret = setup_target(SCAN_ALL_CDS);
368 	} else {
369 		ret = setup_target(SCAN_WRITERS);
370 	}
371 
372 	if (ret == 0) {
373 
374 		if (tgtdev != NULL) {
375 			err_msg(gettext(
376 			    "Cannot find device %s.\n"), tgtdev);
377 
378 		}
379 
380 		if (vol_running) {
381 			err_msg(gettext(
382 			    "No CD writers found or no media in the drive.\n"));
383 		} else {
384 			if (cur_uid != 0) {
385 				err_msg(gettext(
386 				    "Volume manager is not running.\n"));
387 				err_msg(gettext(
388 "Please start volume manager or run cdrw as root to access all devices.\n"));
389 			} else {
390 				err_msg(gettext(
391 				    "No CD writers found.\n"));
392 			}
393 		}
394 		exit(1);
395 
396 	} else if (ret != 1) {
397 		err_msg(gettext("More than one CD device found.\n"));
398 		err_msg(gettext("Specify one using -d option.\n"));
399 		err_msg(gettext(
400 		    "Or use -l option to list all the CD devices found\n"));
401 		exit(1);
402 	}
403 	(void) check_device(target, CHECK_TYPE_NOT_CDROM|EXIT_IF_CHECK_FAILED);
404 
405 	if (check_device(target, CHECK_NO_MEDIA) == 0) {
406 		int retry;
407 		for (retry = 0; retry < 5; retry++) {
408 			if (check_device(target, CHECK_DEVICE_NOT_READY) == 0)
409 				break;
410 			(void) sleep(3);
411 		}
412 	}
413 
414 	if (aflag) {
415 		check_invalid_option(&specified_ops, "ahvSCOdpTV");
416 		if (optind == argc) {
417 			err_msg(gettext("No audio files specified.\n"));
418 			exit(1);
419 		}
420 		write_audio(argv, optind, argc);
421 	}
422 	if (Mflag) {
423 		check_invalid_option(&specified_ops, "MhvdV");
424 		info();
425 	}
426 	if (iflag) {
427 		check_invalid_option(&specified_ops, "ihvSCOdpV");
428 		if (optind == (argc - 1)) {
429 			image_file = argv[optind];
430 			write_image();
431 		}
432 		if (optind == argc)
433 			write_image();
434 		err_msg(gettext("Command line parsing error.\n"));
435 		err_msg(gettext("Only one image-file can be specified.\n"));
436 		exit(1);
437 	}
438 	if (bflag) {
439 		check_invalid_option(&specified_ops, "bhvdV");
440 		if (optind != (argc - 1)) {
441 			err_msg(gettext("Command line parsing error.\n"));
442 			print_usage();
443 		}
444 		blanking_type = argv[argc - 1];
445 		blank();
446 	}
447 	if (xflag) {
448 		check_invalid_option(&specified_ops, "xhpvdsTV");
449 		if (optind != (argc - 2)) {
450 			err_msg(gettext("Command line parsing error.\n"));
451 			print_usage();
452 		}
453 		extract_track_no = atoi(argv[argc - 2]);
454 		extract_file = argv[argc - 1];
455 		extract_audio();
456 	}
457 	if (cflag) {
458 		check_invalid_option(&specified_ops, "chvSCdpmsV");
459 		copy_cd();
460 	}
461 
462 	/*
463 	 * Open a closed disk, we do this by erasing the track tail
464 	 * and then re-finalizing with an open leadout.
465 	 */
466 	if (Lflag) {
467 		check_invalid_option(&specified_ops, "LvdV");
468 		(void) check_device(target, CHECK_NO_MEDIA |
469 		    CHECK_DEVICE_NOT_READY | EXIT_IF_CHECK_FAILED);
470 
471 		/* no need to erase blank media */
472 		if (!check_device(target, CHECK_MEDIA_IS_NOT_BLANK))
473 			exit(0);
474 
475 		blanking_type = "leadout";
476 		blank();
477 
478 		write_init(TRACK_MODE_DATA);
479 		(void) close_track(target->d_fd, 0, 1, 1);
480 		(void) finalize(target);
481 		(void) printf(gettext("done.\n"));
482 		exit(0);
483 	}
484 	return (0);
485 }
486