Bug Summary

File:build-scan/../src/udev/cdrom_id/cdrom_id.c
Warning:line 807, column 39
The left operand of '&' is a garbage value

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name cdrom_id.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -menable-no-infs -menable-no-nans -menable-unsafe-fp-math -fno-signed-zeros -mreassociate -freciprocal-math -fdenormal-fp-math=preserve-sign,preserve-sign -ffp-contract=fast -fno-rounding-math -ffast-math -ffinite-math-only -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib64/clang/12.0.0 -include config.h -I src/udev/cdrom_id.p -I src/udev -I ../src/udev -I src/basic -I ../src/basic -I src/shared -I ../src/shared -I src/systemd -I ../src/systemd -I src/journal -I ../src/journal -I src/journal-remote -I ../src/journal-remote -I src/nspawn -I ../src/nspawn -I src/resolve -I ../src/resolve -I src/timesync -I ../src/timesync -I ../src/time-wait-sync -I src/login -I ../src/login -I src/libudev -I ../src/libudev -I src/core -I ../src/core -I ../src/libsystemd/sd-bus -I ../src/libsystemd/sd-device -I ../src/libsystemd/sd-hwdb -I ../src/libsystemd/sd-id128 -I ../src/libsystemd/sd-netlink -I ../src/libsystemd/sd-network -I src/libsystemd-network -I ../src/libsystemd-network -I . -I .. -D _FILE_OFFSET_BITS=64 -D LOG_REALM=LOG_REALM_UDEV -internal-isystem /usr/local/include -internal-isystem /usr/lib64/clang/12.0.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wwrite-strings -Wno-unused-parameter -Wno-missing-field-initializers -Wno-unused-result -Wno-format-signedness -Wno-error=nonnull -std=gnu99 -fconst-strings -fdebug-compilation-dir /home/mrc0mmand/repos/@redhat-plumbers/systemd-rhel8/build-scan -ferror-limit 19 -fvisibility hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcolor-diagnostics -analyzer-output=html -faddrsig -o /tmp/scan-build-2021-07-16-221226-1465241-1 -x c ../src/udev/cdrom_id/cdrom_id.c
1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * cdrom_id - optical drive and media information prober
4 *
5 *
6 */
7
8#include <errno(*__errno_location ()).h>
9#include <fcntl.h>
10#include <getopt.h>
11#include <limits.h>
12#include <linux1/cdrom.h>
13#include <scsi/sg.h>
14#include <stddef.h>
15#include <stdio.h>
16#include <stdlib.h>
17#include <string.h>
18#include <sys/ioctl.h>
19#include <sys/stat.h>
20#include <sys/time.h>
21#include <sys/types.h>
22#include <time.h>
23#include <unistd.h>
24
25#include "libudev.h"
26
27#include "libudev-private.h"
28#include "random-util.h"
29#include "udev-util.h"
30
31/* device info */
32static unsigned int cd_cd_rom;
33static unsigned int cd_cd_r;
34static unsigned int cd_cd_rw;
35static unsigned int cd_dvd_rom;
36static unsigned int cd_dvd_r;
37static unsigned int cd_dvd_rw;
38static unsigned int cd_dvd_ram;
39static unsigned int cd_dvd_plus_r;
40static unsigned int cd_dvd_plus_rw;
41static unsigned int cd_dvd_plus_r_dl;
42static unsigned int cd_dvd_plus_rw_dl;
43static unsigned int cd_bd;
44static unsigned int cd_bd_r;
45static unsigned int cd_bd_re;
46static unsigned int cd_hddvd;
47static unsigned int cd_hddvd_r;
48static unsigned int cd_hddvd_rw;
49static unsigned int cd_mo;
50static unsigned int cd_mrw;
51static unsigned int cd_mrw_w;
52
53/* media info */
54static unsigned int cd_media;
55static unsigned int cd_media_cd_rom;
56static unsigned int cd_media_cd_r;
57static unsigned int cd_media_cd_rw;
58static unsigned int cd_media_dvd_rom;
59static unsigned int cd_media_dvd_r;
60static unsigned int cd_media_dvd_rw;
61static unsigned int cd_media_dvd_rw_ro; /* restricted overwrite mode */
62static unsigned int cd_media_dvd_rw_seq; /* sequential mode */
63static unsigned int cd_media_dvd_ram;
64static unsigned int cd_media_dvd_plus_r;
65static unsigned int cd_media_dvd_plus_rw;
66static unsigned int cd_media_dvd_plus_r_dl;
67static unsigned int cd_media_dvd_plus_rw_dl;
68static unsigned int cd_media_bd;
69static unsigned int cd_media_bd_r;
70static unsigned int cd_media_bd_re;
71static unsigned int cd_media_hddvd;
72static unsigned int cd_media_hddvd_r;
73static unsigned int cd_media_hddvd_rw;
74static unsigned int cd_media_mo;
75static unsigned int cd_media_mrw;
76static unsigned int cd_media_mrw_w;
77
78static const char *cd_media_state = NULL((void*)0);
79static unsigned int cd_media_session_next;
80static unsigned int cd_media_session_count;
81static unsigned int cd_media_track_count;
82static unsigned int cd_media_track_count_data;
83static unsigned int cd_media_track_count_audio;
84static unsigned long long int cd_media_session_last_offset;
85
86#define ERRCODE(s)((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | (
(s)[13])) ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13]))
87#define SK(errcode)(((errcode) >> 16) & 0xF) (((errcode) >> 16) & 0xF)
88#define ASC(errcode)(((errcode) >> 8) & 0xFF) (((errcode) >> 8) & 0xFF)
89#define ASCQ(errcode)((errcode) & 0xFF) ((errcode) & 0xFF)
90
91static bool_Bool is_mounted(const char *device)
92{
93 struct stat statbuf;
94 FILE *fp;
95 int maj, min;
96 bool_Bool mounted = false0;
97
98 if (stat(device, &statbuf) < 0)
99 return false0;
100
101 fp = fopen("/proc/self/mountinfo", "re");
102 if (fp == NULL((void*)0))
103 return false0;
104 while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) {
105 if (makedev(maj, min)gnu_dev_makedev (maj, min) == statbuf.st_rdev) {
106 mounted = true1;
107 break;
108 }
109 }
110 fclose(fp);
111 return mounted;
112}
113
114static void info_scsi_cmd_err(struct udev *udev, const char *cmd, int err)
115{
116 if (err == -1) {
117 log_debug("%s failed", cmd)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 117, __func__, "%s failed"
, cmd) : -abs(_e); });
118 return;
119 }
120 log_debug("%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh", cmd, SK(err), ASC(err), ASCQ(err))({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 120, __func__, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh"
, cmd, (((err) >> 16) & 0xF), (((err) >> 8) &
0xFF), ((err) & 0xFF)) : -abs(_e); });
121}
122
123struct scsi_cmd {
124 struct cdrom_generic_command cgc;
125 union {
126 struct request_sense s;
127 unsigned char u[18];
128 } _sense;
129 struct sg_io_hdr sg_io;
130};
131
132static void scsi_cmd_init(struct udev *udev, struct scsi_cmd *cmd)
133{
134 memzero(cmd, sizeof(struct scsi_cmd))({ size_t _l_ = (sizeof(struct scsi_cmd)); void *_x_ = (cmd);
_l_ == 0 ? _x_ : memset(_x_, 0, _l_); });
135 cmd->cgc.quiet = 1;
136 cmd->cgc.sense = &cmd->_sense.s;
137 cmd->sg_io.interface_id = 'S';
138 cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
139 cmd->sg_io.cmdp = cmd->cgc.cmd;
140 cmd->sg_io.sbp = cmd->_sense.u;
141 cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT2 | SG_FLAG_DIRECT_IO1;
142}
143
144static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, unsigned char arg)
145{
146 cmd->sg_io.cmd_len = i + 1;
147 cmd->cgc.cmd[i] = arg;
148}
149
150#define CHECK_CONDITION0x01 0x01
151
152static int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
153{
154 int ret = 0;
155
156 if (bufsize > 0) {
30
←
Assuming 'bufsize' is <= 0
→
31
←
Taking false branch
→
157 cmd->sg_io.dxferp = buf;
158 cmd->sg_io.dxfer_len = bufsize;
159 cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV-3;
160 } else {
161 cmd->sg_io.dxfer_direction = SG_DXFER_NONE-1;
162 }
163 if (ioctl(fd, SG_IO0x2285, &cmd->sg_io))
32
←
Assuming the condition is false
→
33
←
Taking false branch
→
164 return -1;
165
166 if ((cmd->sg_io.info & SG_INFO_OK_MASK0x1) != SG_INFO_OK0x0) {
34
←
Assuming the condition is false
→
35
←
Taking false branch
→
167 errno(*__errno_location ()) = EIO5;
168 ret = -1;
169 if (cmd->sg_io.masked_status & CHECK_CONDITION0x01) {
170 ret = ERRCODE(cmd->_sense.u)((((cmd->_sense.u)[2] & 0x0F) << 16) | ((cmd->
_sense.u)[12] << 8) | ((cmd->_sense.u)[13]));
171 if (ret == 0)
172 ret = -1;
173 }
174 }
175 return ret;
176}
177
178static int media_lock(struct udev *udev, int fd, bool_Bool lock)
179{
180 int err;
181
182 /* disable the kernel's lock logic */
183 err = ioctl(fd, CDROM_CLEAR_OPTIONS0x5321, CDO_LOCK0x8);
184 if (err < 0)
185 log_debug("CDROM_CLEAR_OPTIONS, CDO_LOCK failed")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 185, __func__, "CDROM_CLEAR_OPTIONS, CDO_LOCK failed"
) : -abs(_e); });
186
187 err = ioctl(fd, CDROM_LOCKDOOR0x5329, lock ? 1 : 0);
188 if (err < 0)
189 log_debug("CDROM_LOCKDOOR failed")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 189, __func__, "CDROM_LOCKDOOR failed"
) : -abs(_e); });
190
191 return err;
192}
193
194static int media_eject(struct udev *udev, int fd)
195{
196 struct scsi_cmd sc;
197 int err;
198
199 scsi_cmd_init(udev, &sc);
200 scsi_cmd_set(udev, &sc, 0, 0x1b);
201 scsi_cmd_set(udev, &sc, 4, 0x02);
202 scsi_cmd_set(udev, &sc, 5, 0);
203 err = scsi_cmd_run(udev, &sc, fd, NULL((void*)0), 0);
204 if ((err != 0)) {
205 info_scsi_cmd_err(udev, "START_STOP_UNIT", err);
206 return -1;
207 }
208 return 0;
209}
210
211static int cd_capability_compat(struct udev *udev, int fd)
212{
213 int capability;
214
215 capability = ioctl(fd, CDROM_GET_CAPABILITY0x5331, NULL((void*)0));
216 if (capability < 0) {
217 log_debug("CDROM_GET_CAPABILITY failed")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 217, __func__, "CDROM_GET_CAPABILITY failed"
) : -abs(_e); });
218 return -1;
219 }
220
221 if (capability & CDC_CD_R0x2000)
222 cd_cd_r = 1;
223 if (capability & CDC_CD_RW0x4000)
224 cd_cd_rw = 1;
225 if (capability & CDC_DVD0x8000)
226 cd_dvd_rom = 1;
227 if (capability & CDC_DVD_R0x10000)
228 cd_dvd_r = 1;
229 if (capability & CDC_DVD_RAM0x20000)
230 cd_dvd_ram = 1;
231 if (capability & CDC_MRW0x80000)
232 cd_mrw = 1;
233 if (capability & CDC_MRW_W0x100000)
234 cd_mrw_w = 1;
235 return 0;
236}
237
238static int cd_media_compat(struct udev *udev, int fd)
239{
240 if (ioctl(fd, CDROM_DRIVE_STATUS0x5326, CDSL_CURRENT2147483647) != CDS_DISC_OK4) {
241 log_debug("CDROM_DRIVE_STATUS != CDS_DISC_OK")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 241, __func__, "CDROM_DRIVE_STATUS != CDS_DISC_OK"
) : -abs(_e); });
242 return -1;
243 }
244 cd_media = 1;
245 return 0;
246}
247
248static int cd_inquiry(struct udev *udev, int fd)
249{
250 struct scsi_cmd sc;
251 unsigned char inq[128];
252 int err;
253
254 scsi_cmd_init(udev, &sc);
255 scsi_cmd_set(udev, &sc, 0, 0x12);
256 scsi_cmd_set(udev, &sc, 4, 36);
257 scsi_cmd_set(udev, &sc, 5, 0);
258 err = scsi_cmd_run(udev, &sc, fd, inq, 36);
259 if ((err != 0)) {
260 info_scsi_cmd_err(udev, "INQUIRY", err);
261 return -1;
262 }
263
264 if ((inq[0] & 0x1F) != 5) {
265 log_debug("not an MMC unit")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 265, __func__, "not an MMC unit"
) : -abs(_e); });
266 return -1;
267 }
268
269 log_debug("INQUIRY: [%.8s][%.16s][%.4s]", inq + 8, inq + 16, inq + 32)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 269, __func__, "INQUIRY: [%.8s][%.16s][%.4s]"
, inq + 8, inq + 16, inq + 32) : -abs(_e); });
270 return 0;
271}
272
273static void feature_profile_media(struct udev *udev, int cur_profile)
274{
275 switch (cur_profile) {
276 case 0x03:
277 case 0x04:
278 case 0x05:
279 log_debug("profile 0x%02x ", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 279, __func__, "profile 0x%02x "
, cur_profile) : -abs(_e); });
280 cd_media = 1;
281 cd_media_mo = 1;
282 break;
283 case 0x08:
284 log_debug("profile 0x%02x media_cd_rom", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 284, __func__, "profile 0x%02x media_cd_rom"
, cur_profile) : -abs(_e); });
285 cd_media = 1;
286 cd_media_cd_rom = 1;
287 break;
288 case 0x09:
289 log_debug("profile 0x%02x media_cd_r", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 289, __func__, "profile 0x%02x media_cd_r"
, cur_profile) : -abs(_e); });
290 cd_media = 1;
291 cd_media_cd_r = 1;
292 break;
293 case 0x0a:
294 log_debug("profile 0x%02x media_cd_rw", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 294, __func__, "profile 0x%02x media_cd_rw"
, cur_profile) : -abs(_e); });
295 cd_media = 1;
296 cd_media_cd_rw = 1;
297 break;
298 case 0x10:
299 log_debug("profile 0x%02x media_dvd_ro", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 299, __func__, "profile 0x%02x media_dvd_ro"
, cur_profile) : -abs(_e); });
300 cd_media = 1;
301 cd_media_dvd_rom = 1;
302 break;
303 case 0x11:
304 log_debug("profile 0x%02x media_dvd_r", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 304, __func__, "profile 0x%02x media_dvd_r"
, cur_profile) : -abs(_e); });
305 cd_media = 1;
306 cd_media_dvd_r = 1;
307 break;
308 case 0x12:
309 log_debug("profile 0x%02x media_dvd_ram", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 309, __func__, "profile 0x%02x media_dvd_ram"
, cur_profile) : -abs(_e); });
310 cd_media = 1;
311 cd_media_dvd_ram = 1;
312 break;
313 case 0x13:
314 log_debug("profile 0x%02x media_dvd_rw_ro", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 314, __func__, "profile 0x%02x media_dvd_rw_ro"
, cur_profile) : -abs(_e); });
315 cd_media = 1;
316 cd_media_dvd_rw = 1;
317 cd_media_dvd_rw_ro = 1;
318 break;
319 case 0x14:
320 log_debug("profile 0x%02x media_dvd_rw_seq", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 320, __func__, "profile 0x%02x media_dvd_rw_seq"
, cur_profile) : -abs(_e); });
321 cd_media = 1;
322 cd_media_dvd_rw = 1;
323 cd_media_dvd_rw_seq = 1;
324 break;
325 case 0x1B:
326 log_debug("profile 0x%02x media_dvd_plus_r", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 326, __func__, "profile 0x%02x media_dvd_plus_r"
, cur_profile) : -abs(_e); });
327 cd_media = 1;
328 cd_media_dvd_plus_r = 1;
329 break;
330 case 0x1A:
331 log_debug("profile 0x%02x media_dvd_plus_rw", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 331, __func__, "profile 0x%02x media_dvd_plus_rw"
, cur_profile) : -abs(_e); });
332 cd_media = 1;
333 cd_media_dvd_plus_rw = 1;
334 break;
335 case 0x2A:
336 log_debug("profile 0x%02x media_dvd_plus_rw_dl", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 336, __func__, "profile 0x%02x media_dvd_plus_rw_dl"
, cur_profile) : -abs(_e); });
337 cd_media = 1;
338 cd_media_dvd_plus_rw_dl = 1;
339 break;
340 case 0x2B:
341 log_debug("profile 0x%02x media_dvd_plus_r_dl", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 341, __func__, "profile 0x%02x media_dvd_plus_r_dl"
, cur_profile) : -abs(_e); });
342 cd_media = 1;
343 cd_media_dvd_plus_r_dl = 1;
344 break;
345 case 0x40:
346 log_debug("profile 0x%02x media_bd", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 346, __func__, "profile 0x%02x media_bd"
, cur_profile) : -abs(_e); });
347 cd_media = 1;
348 cd_media_bd = 1;
349 break;
350 case 0x41:
351 case 0x42:
352 log_debug("profile 0x%02x media_bd_r", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 352, __func__, "profile 0x%02x media_bd_r"
, cur_profile) : -abs(_e); });
353 cd_media = 1;
354 cd_media_bd_r = 1;
355 break;
356 case 0x43:
357 log_debug("profile 0x%02x media_bd_re", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 357, __func__, "profile 0x%02x media_bd_re"
, cur_profile) : -abs(_e); });
358 cd_media = 1;
359 cd_media_bd_re = 1;
360 break;
361 case 0x50:
362 log_debug("profile 0x%02x media_hddvd", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 362, __func__, "profile 0x%02x media_hddvd"
, cur_profile) : -abs(_e); });
363 cd_media = 1;
364 cd_media_hddvd = 1;
365 break;
366 case 0x51:
367 log_debug("profile 0x%02x media_hddvd_r", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 367, __func__, "profile 0x%02x media_hddvd_r"
, cur_profile) : -abs(_e); });
368 cd_media = 1;
369 cd_media_hddvd_r = 1;
370 break;
371 case 0x52:
372 log_debug("profile 0x%02x media_hddvd_rw", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 372, __func__, "profile 0x%02x media_hddvd_rw"
, cur_profile) : -abs(_e); });
373 cd_media = 1;
374 cd_media_hddvd_rw = 1;
375 break;
376 default:
377 log_debug("profile 0x%02x <ignored>", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 377, __func__, "profile 0x%02x <ignored>"
, cur_profile) : -abs(_e); });
378 break;
379 }
380}
381
382static int feature_profiles(struct udev *udev, const unsigned char *profiles, size_t size)
383{
384 unsigned int i;
385
386 for (i = 0; i+4 <= size; i += 4) {
387 int profile;
388
389 profile = profiles[i] << 8 | profiles[i+1];
390 switch (profile) {
391 case 0x03:
392 case 0x04:
393 case 0x05:
394 log_debug("profile 0x%02x mo", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 394, __func__, "profile 0x%02x mo"
, profile) : -abs(_e); });
395 cd_mo = 1;
396 break;
397 case 0x08:
398 log_debug("profile 0x%02x cd_rom", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 398, __func__, "profile 0x%02x cd_rom"
, profile) : -abs(_e); });
399 cd_cd_rom = 1;
400 break;
401 case 0x09:
402 log_debug("profile 0x%02x cd_r", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 402, __func__, "profile 0x%02x cd_r"
, profile) : -abs(_e); });
403 cd_cd_r = 1;
404 break;
405 case 0x0A:
406 log_debug("profile 0x%02x cd_rw", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 406, __func__, "profile 0x%02x cd_rw"
, profile) : -abs(_e); });
407 cd_cd_rw = 1;
408 break;
409 case 0x10:
410 log_debug("profile 0x%02x dvd_rom", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 410, __func__, "profile 0x%02x dvd_rom"
, profile) : -abs(_e); });
411 cd_dvd_rom = 1;
412 break;
413 case 0x12:
414 log_debug("profile 0x%02x dvd_ram", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 414, __func__, "profile 0x%02x dvd_ram"
, profile) : -abs(_e); });
415 cd_dvd_ram = 1;
416 break;
417 case 0x13:
418 case 0x14:
419 log_debug("profile 0x%02x dvd_rw", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 419, __func__, "profile 0x%02x dvd_rw"
, profile) : -abs(_e); });
420 cd_dvd_rw = 1;
421 break;
422 case 0x1B:
423 log_debug("profile 0x%02x dvd_plus_r", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 423, __func__, "profile 0x%02x dvd_plus_r"
, profile) : -abs(_e); });
424 cd_dvd_plus_r = 1;
425 break;
426 case 0x1A:
427 log_debug("profile 0x%02x dvd_plus_rw", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 427, __func__, "profile 0x%02x dvd_plus_rw"
, profile) : -abs(_e); });
428 cd_dvd_plus_rw = 1;
429 break;
430 case 0x2A:
431 log_debug("profile 0x%02x dvd_plus_rw_dl", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 431, __func__, "profile 0x%02x dvd_plus_rw_dl"
, profile) : -abs(_e); });
432 cd_dvd_plus_rw_dl = 1;
433 break;
434 case 0x2B:
435 log_debug("profile 0x%02x dvd_plus_r_dl", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 435, __func__, "profile 0x%02x dvd_plus_r_dl"
, profile) : -abs(_e); });
436 cd_dvd_plus_r_dl = 1;
437 break;
438 case 0x40:
439 cd_bd = 1;
440 log_debug("profile 0x%02x bd", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 440, __func__, "profile 0x%02x bd"
, profile) : -abs(_e); });
441 break;
442 case 0x41:
443 case 0x42:
444 cd_bd_r = 1;
445 log_debug("profile 0x%02x bd_r", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 445, __func__, "profile 0x%02x bd_r"
, profile) : -abs(_e); });
446 break;
447 case 0x43:
448 cd_bd_re = 1;
449 log_debug("profile 0x%02x bd_re", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 449, __func__, "profile 0x%02x bd_re"
, profile) : -abs(_e); });
450 break;
451 case 0x50:
452 cd_hddvd = 1;
453 log_debug("profile 0x%02x hddvd", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 453, __func__, "profile 0x%02x hddvd"
, profile) : -abs(_e); });
454 break;
455 case 0x51:
456 cd_hddvd_r = 1;
457 log_debug("profile 0x%02x hddvd_r", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 457, __func__, "profile 0x%02x hddvd_r"
, profile) : -abs(_e); });
458 break;
459 case 0x52:
460 cd_hddvd_rw = 1;
461 log_debug("profile 0x%02x hddvd_rw", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 461, __func__, "profile 0x%02x hddvd_rw"
, profile) : -abs(_e); });
462 break;
463 default:
464 log_debug("profile 0x%02x <ignored>", profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 464, __func__, "profile 0x%02x <ignored>"
, profile) : -abs(_e); });
465 break;
466 }
467 }
468 return 0;
469}
470
471/* returns 0 if media was detected */
472static int cd_profiles_old_mmc(struct udev *udev, int fd)
473{
474 struct scsi_cmd sc;
475 int err;
476
477 unsigned char header[32];
478
479 scsi_cmd_init(udev, &sc);
480 scsi_cmd_set(udev, &sc, 0, 0x51);
481 scsi_cmd_set(udev, &sc, 8, sizeof(header));
482 scsi_cmd_set(udev, &sc, 9, 0);
483 err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
484 if ((err != 0)) {
485 info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
486 if (cd_media == 1) {
487 log_debug("no current profile, but disc is present; assuming CD-ROM")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 487, __func__, "no current profile, but disc is present; assuming CD-ROM"
) : -abs(_e); });
488 cd_media_cd_rom = 1;
489 cd_media_track_count = 1;
490 cd_media_track_count_data = 1;
491 return 0;
492 } else {
493 log_debug("no current profile, assuming no media")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 493, __func__, "no current profile, assuming no media"
) : -abs(_e); });
494 return -1;
495 }
496 };
497
498 cd_media = 1;
499
500 if (header[2] & 16) {
501 cd_media_cd_rw = 1;
502 log_debug("profile 0x0a media_cd_rw")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 502, __func__, "profile 0x0a media_cd_rw"
) : -abs(_e); });
503 } else if ((header[2] & 3) < 2 && cd_cd_r) {
504 cd_media_cd_r = 1;
505 log_debug("profile 0x09 media_cd_r")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 505, __func__, "profile 0x09 media_cd_r"
) : -abs(_e); });
506 } else {
507 cd_media_cd_rom = 1;
508 log_debug("profile 0x08 media_cd_rom")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 508, __func__, "profile 0x08 media_cd_rom"
) : -abs(_e); });
509 }
510 return 0;
511}
512
513/* returns 0 if media was detected */
514static int cd_profiles(struct udev *udev, int fd)
515{
516 struct scsi_cmd sc;
517 unsigned char features[65530];
518 unsigned int cur_profile = 0;
519 unsigned int len;
520 unsigned int i;
521 int err;
522 int ret;
523
524 ret = -1;
525
526 /* First query the current profile */
527 scsi_cmd_init(udev, &sc);
528 scsi_cmd_set(udev, &sc, 0, 0x46);
529 scsi_cmd_set(udev, &sc, 8, 8);
530 scsi_cmd_set(udev, &sc, 9, 0);
531 err = scsi_cmd_run(udev, &sc, fd, features, 8);
532 if ((err != 0)) {
533 info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
534 /* handle pre-MMC2 drives which do not support GET CONFIGURATION */
535 if (SK(err)(((err) >> 16) & 0xF) == 0x5 && IN_SET(ASC(err), 0x20, 0x24)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0x20, 0x24})/sizeof(int)]; switch((((err
) >> 8) & 0xFF)) { case 0x20: case 0x24: _found = 1
; break; default: break; } _found; })) {
536 log_debug("drive is pre-MMC2 and does not support 46h get configuration command")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 536, __func__, "drive is pre-MMC2 and does not support 46h get configuration command"
) : -abs(_e); });
537 log_debug("trying to work around the problem")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 537, __func__, "trying to work around the problem"
) : -abs(_e); });
538 ret = cd_profiles_old_mmc(udev, fd);
539 }
540 goto out;
541 }
542
543 cur_profile = features[6] << 8 | features[7];
544 if (cur_profile > 0) {
545 log_debug("current profile 0x%02x", cur_profile)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 545, __func__, "current profile 0x%02x"
, cur_profile) : -abs(_e); });
546 feature_profile_media (udev, cur_profile);
547 ret = 0; /* we have media */
548 } else {
549 log_debug("no current profile, assuming no media")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 549, __func__, "no current profile, assuming no media"
) : -abs(_e); });
550 }
551
552 len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
553 log_debug("GET CONFIGURATION: size of features buffer 0x%04x", len)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 553, __func__, "GET CONFIGURATION: size of features buffer 0x%04x"
, len) : -abs(_e); });
554
555 if (len > sizeof(features)) {
556 log_debug("cannot get features in a single query, truncating")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 556, __func__, "cannot get features in a single query, truncating"
) : -abs(_e); });
557 len = sizeof(features);
558 } else if (len <= 8)
559 len = sizeof(features);
560
561 /* Now get the full feature buffer */
562 scsi_cmd_init(udev, &sc);
563 scsi_cmd_set(udev, &sc, 0, 0x46);
564 scsi_cmd_set(udev, &sc, 7, ( len >> 8 ) & 0xff);
565 scsi_cmd_set(udev, &sc, 8, len & 0xff);
566 scsi_cmd_set(udev, &sc, 9, 0);
567 err = scsi_cmd_run(udev, &sc, fd, features, len);
568 if ((err != 0)) {
569 info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
570 return -1;
571 }
572
573 /* parse the length once more, in case the drive decided to have other features suddenly :) */
574 len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
575 log_debug("GET CONFIGURATION: size of features buffer 0x%04x", len)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 575, __func__, "GET CONFIGURATION: size of features buffer 0x%04x"
, len) : -abs(_e); });
576
577 if (len > sizeof(features)) {
578 log_debug("cannot get features in a single query, truncating")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 578, __func__, "cannot get features in a single query, truncating"
) : -abs(_e); });
579 len = sizeof(features);
580 }
581
582 /* device features */
583 for (i = 8; i+4 < len; i += (4 + features[i+3])) {
584 unsigned int feature;
585
586 feature = features[i] << 8 | features[i+1];
587
588 switch (feature) {
589 case 0x00:
590 log_debug("GET CONFIGURATION: feature 'profiles', with %i entries", features[i+3] / 4)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 590, __func__, "GET CONFIGURATION: feature 'profiles', with %i entries"
, features[i+3] / 4) : -abs(_e); });
591 feature_profiles(udev, &features[i]+4, MIN(features[i+3], len - i - 4)__extension__ ({ const typeof((features[i+3])) __unique_prefix_A2
= ((features[i+3])); const typeof((len - i - 4)) __unique_prefix_B3
= ((len - i - 4)); __unique_prefix_A2 < __unique_prefix_B3
? __unique_prefix_A2 : __unique_prefix_B3; }));
592 break;
593 default:
594 log_debug("GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes", feature, features[i+3])({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 594, __func__, "GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes"
, feature, features[i+3]) : -abs(_e); });
595 break;
596 }
597 }
598out:
599 return ret;
600}
601
602static int cd_media_info(struct udev *udev, int fd)
603{
604 struct scsi_cmd sc;
605 unsigned char header[32];
606 static const char *media_status[] = {
607 "blank",
608 "appendable",
609 "complete",
610 "other"
611 };
612 int err;
613
614 scsi_cmd_init(udev, &sc);
615 scsi_cmd_set(udev, &sc, 0, 0x51);
616 scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);
617 scsi_cmd_set(udev, &sc, 9, 0);
618 err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
619 if ((err != 0)) {
620 info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
621 return -1;
622 };
623
624 cd_media = 1;
625 log_debug("disk type %02x", header[8])({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 625, __func__, "disk type %02x"
, header[8]) : -abs(_e); });
626 log_debug("hardware reported media status: %s", media_status[header[2] & 3])({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 626, __func__, "hardware reported media status: %s"
, media_status[header[2] & 3]) : -abs(_e); });
627
628 /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
629 if (!cd_media_cd_rom)
630 cd_media_state = media_status[header[2] & 3];
631
632 /* fresh DVD-RW in restricted overwite mode reports itself as
633 * "appendable"; change it to "blank" to make it consistent with what
634 * gets reported after blanking, and what userspace expects */
635 if (cd_media_dvd_rw_ro && (header[2] & 3) == 1)
636 cd_media_state = media_status[0];
637
638 /* DVD+RW discs (and DVD-RW in restricted mode) once formatted are
639 * always "complete", DVD-RAM are "other" or "complete" if the disc is
640 * write protected; we need to check the contents if it is blank */
641 if ((cd_media_dvd_rw_ro || cd_media_dvd_plus_rw || cd_media_dvd_plus_rw_dl || cd_media_dvd_ram) && (header[2] & 3) > 1) {
642 unsigned char buffer[32 * 2048];
643 unsigned char len;
644 int offset;
645
646 if (cd_media_dvd_ram) {
647 /* a write protected dvd-ram may report "complete" status */
648
649 unsigned char dvdstruct[8];
650 unsigned char format[12];
651
652 scsi_cmd_init(udev, &sc);
653 scsi_cmd_set(udev, &sc, 0, 0xAD);
654 scsi_cmd_set(udev, &sc, 7, 0xC0);
655 scsi_cmd_set(udev, &sc, 9, sizeof(dvdstruct));
656 scsi_cmd_set(udev, &sc, 11, 0);
657 err = scsi_cmd_run(udev, &sc, fd, dvdstruct, sizeof(dvdstruct));
658 if ((err != 0)) {
659 info_scsi_cmd_err(udev, "READ DVD STRUCTURE", err);
660 return -1;
661 }
662 if (dvdstruct[4] & 0x02) {
663 cd_media_state = media_status[2];
664 log_debug("write-protected DVD-RAM media inserted")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 664, __func__, "write-protected DVD-RAM media inserted"
) : -abs(_e); });
665 goto determined;
666 }
667
668 /* let's make sure we don't try to read unformatted media */
669 scsi_cmd_init(udev, &sc);
670 scsi_cmd_set(udev, &sc, 0, 0x23);
671 scsi_cmd_set(udev, &sc, 8, sizeof(format));
672 scsi_cmd_set(udev, &sc, 9, 0);
673 err = scsi_cmd_run(udev, &sc, fd, format, sizeof(format));
674 if ((err != 0)) {
675 info_scsi_cmd_err(udev, "READ DVD FORMAT CAPACITIES", err);
676 return -1;
677 }
678
679 len = format[3];
680 if (len & 7 || len < 16) {
681 log_debug("invalid format capacities length")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 681, __func__, "invalid format capacities length"
) : -abs(_e); });
682 return -1;
683 }
684
685 switch(format[8] & 3) {
686 case 1:
687 log_debug("unformatted DVD-RAM media inserted")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 687, __func__, "unformatted DVD-RAM media inserted"
) : -abs(_e); });
688 /* This means that last format was interrupted
689 * or failed, blank dvd-ram discs are factory
690 * formatted. Take no action here as it takes
691 * quite a while to reformat a dvd-ram and it's
692 * not automatically started */
693 goto determined;
694
695 case 2:
696 log_debug("formatted DVD-RAM media inserted")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 696, __func__, "formatted DVD-RAM media inserted"
) : -abs(_e); });
697 break;
698
699 case 3:
700 cd_media = 0; //return no media
701 log_debug("format capacities returned no media")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 701, __func__, "format capacities returned no media"
) : -abs(_e); });
702 return -1;
703 }
704 }
705
706 /* Take a closer look at formatted media (unformatted DVD+RW
707 * has "blank" status", DVD-RAM was examined earlier) and check
708 * for ISO and UDF PVDs or a fs superblock presence and do it
709 * in one ioctl (we need just sectors 0 and 16) */
710 scsi_cmd_init(udev, &sc);
711 scsi_cmd_set(udev, &sc, 0, 0x28);
712 scsi_cmd_set(udev, &sc, 5, 0);
713 scsi_cmd_set(udev, &sc, 8, 32);
714 scsi_cmd_set(udev, &sc, 9, 0);
715 err = scsi_cmd_run(udev, &sc, fd, buffer, sizeof(buffer));
716 if ((err != 0)) {
717 cd_media = 0;
718 info_scsi_cmd_err(udev, "READ FIRST 32 BLOCKS", err);
719 return -1;
720 }
721
722 /* if any non-zero data is found in sector 16 (iso and udf) or
723 * eventually 0 (fat32 boot sector, ext2 superblock, etc), disc
724 * is assumed non-blank */
725
726 for (offset = 32768; offset < (32768 + 2048); offset++) {
727 if (buffer [offset]) {
728 log_debug("data in block 16, assuming complete")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 728, __func__, "data in block 16, assuming complete"
) : -abs(_e); });
729 goto determined;
730 }
731 }
732
733 for (offset = 0; offset < 2048; offset++) {
734 if (buffer [offset]) {
735 log_debug("data in block 0, assuming complete")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 735, __func__, "data in block 0, assuming complete"
) : -abs(_e); });
736 goto determined;
737 }
738 }
739
740 cd_media_state = media_status[0];
741 log_debug("no data in blocks 0 or 16, assuming blank")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 741, __func__, "no data in blocks 0 or 16, assuming blank"
) : -abs(_e); });
742 }
743
744determined:
745 /* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in
746 * restricted overwrite mode can never append, only in sequential mode */
747 if ((header[2] & 3) < 2 && !cd_media_dvd_rw_ro)
748 cd_media_session_next = header[10] << 8 | header[5];
749 cd_media_session_count = header[9] << 8 | header[4];
750 cd_media_track_count = header[11] << 8 | header[6];
751
752 return 0;
753}
754
755static int cd_media_toc(struct udev *udev, int fd)
756{
757 struct scsi_cmd sc;
758 unsigned char header[12];
759 unsigned char toc[65536];
760 unsigned int len, i, num_tracks;
761 unsigned char *p;
762 int err;
763
764 scsi_cmd_init(udev, &sc);
765 scsi_cmd_set(udev, &sc, 0, 0x43);
766 scsi_cmd_set(udev, &sc, 6, 1);
767 scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);
768 scsi_cmd_set(udev, &sc, 9, 0);
769 err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
770 if ((err
19.1
'err' is equal to 0
 != 0)) {
20
←
Taking false branch
→
771 info_scsi_cmd_err(udev, "READ TOC", err);
772 return -1;
773 }
774
775 len = (header[0] << 8 | header[1]) + 2;
776 log_debug("READ TOC: len: %d, start track: %d, end track: %d", len, header[2], header[3])({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 776, __func__, "READ TOC: len: %d, start track: %d, end track: %d"
, len, header[2], header[3]) : -abs(_e); });
21
←
Assuming the condition is false
→
22
←
'?' condition is false
→
777 if (len > sizeof(toc))
23
←
Assuming the condition is false
→
24
←
Taking false branch
→
778 return -1;
779 if (len < 2)
25
←
Assuming 'len' is >= 2
→
26
←
Taking false branch
→
780 return -1;
781 /* 2: first track, 3: last track */
782 num_tracks = header[3] - header[2] + 1;
783
784 /* empty media has no tracks */
785 if (len < 8)
27
←
Assuming 'len' is >= 8
→
28
←
Taking false branch
→
786 return 0;
787
788 scsi_cmd_init(udev, &sc);
789 scsi_cmd_set(udev, &sc, 0, 0x43);
790 scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */
791 scsi_cmd_set(udev, &sc, 7, (len >> 8) & 0xff);
792 scsi_cmd_set(udev, &sc, 8, len & 0xff);
793 scsi_cmd_set(udev, &sc, 9, 0);
794 err = scsi_cmd_run(udev, &sc, fd, toc, len);
29
←
Calling 'scsi_cmd_run'
→
36
←
Returning from 'scsi_cmd_run'
→
795 if ((err
36.1
'err' is equal to 0
 != 0)) {
37
←
Taking false branch
→
796 info_scsi_cmd_err(udev, "READ TOC (tracks)", err);
797 return -1;
798 }
799
800 /* Take care to not iterate beyond the last valid track as specified in
801 * the TOC, but also avoid going beyond the TOC length, just in case
802 * the last track number is invalidly large */
803 for (p = toc+4, i = 4; i < len-8 && num_tracks > 0; i += 8, p += 8, --num_tracks) {
38
←
Assuming 'num_tracks' is > 0
→
39
←
Loop condition is true. Entering loop body
→
804 unsigned int block;
805 unsigned int is_data_track;
806
807 is_data_track = (p[1] & 0x04) != 0;
40
←
The left operand of '&' is a garbage value
808
809 block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
810 log_debug("track=%u info=0x%x(%s) start_block=%u",({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 811, __func__, "track=%u info=0x%x(%s) start_block=%u"
, p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block
) : -abs(_e); })
811 p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 811, __func__, "track=%u info=0x%x(%s) start_block=%u"
, p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block
) : -abs(_e); });
812
813 if (is_data_track)
814 cd_media_track_count_data++;
815 else
816 cd_media_track_count_audio++;
817 }
818
819 scsi_cmd_init(udev, &sc);
820 scsi_cmd_set(udev, &sc, 0, 0x43);
821 scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
822 scsi_cmd_set(udev, &sc, 8, sizeof(header));
823 scsi_cmd_set(udev, &sc, 9, 0);
824 err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
825 if ((err != 0)) {
826 info_scsi_cmd_err(udev, "READ TOC (multi session)", err);
827 return -1;
828 }
829 len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
830 log_debug("last track %u starts at block %u", header[4+2], len)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 830, __func__, "last track %u starts at block %u"
, header[4+2], len) : -abs(_e); });
831 cd_media_session_last_offset = (unsigned long long int)len * 2048;
832 return 0;
833}
834
835int main(int argc, char *argv[]) {
836 struct udev *udev;
837 static const struct option options[] = {
838 { "lock-media", no_argument0, NULL((void*)0), 'l' },
839 { "unlock-media", no_argument0, NULL((void*)0), 'u' },
840 { "eject-media", no_argument0, NULL((void*)0), 'e' },
841 { "debug", no_argument0, NULL((void*)0), 'd' },
842 { "help", no_argument0, NULL((void*)0), 'h' },
843 {}
844 };
845 bool_Bool eject = false0;
846 bool_Bool lock = false0;
847 bool_Bool unlock = false0;
848 const char *node = NULL((void*)0);
849 int fd = -1;
850 int cnt;
851 int rc = 0;
852
853 log_set_target(LOG_TARGET_AUTO);
854 udev_parse_config();
855 log_parse_environment()log_parse_environment_realm(LOG_REALM_UDEV);
856 log_open();
857
858 udev = udev_new();
859 if (udev == NULL((void*)0))
1
Assuming 'udev' is not equal to NULL
→
2
←
Taking false branch
→
860 goto exit;
861
862 for (;;) {
3
←
Loop condition is true. Entering loop body
→
863 int option;
864
865 option = getopt_long(argc, argv, "deluh", options, NULL((void*)0));
866 if (option == -1)
4
←
Assuming the condition is true
→
5
←
Taking true branch
→
867 break;
6
←
 Execution continues on line 898
→
868
869 switch (option) {
870 case 'l':
871 lock = true1;
872 break;
873 case 'u':
874 unlock = true1;
875 break;
876 case 'e':
877 eject = true1;
878 break;
879 case 'd':
880 log_set_target(LOG_TARGET_CONSOLE);
881 log_set_max_level(LOG_DEBUG)log_set_max_level_realm(LOG_REALM_UDEV, (7));
882 log_open();
883 break;
884 case 'h':
885 printf("Usage: cdrom_id [options] <device>\n"
886 " -l,--lock-media lock the media (to enable eject request events)\n"
887 " -u,--unlock-media unlock the media\n"
888 " -e,--eject-media eject the media\n"
889 " -d,--debug debug to stderr\n"
890 " -h,--help print this help text\n\n");
891 goto exit;
892 default:
893 rc = 1;
894 goto exit;
895 }
896 }
897
898 node = argv[optind];
899 if (!node) {
7
←
Assuming 'node' is non-null
→
8
←
Taking false branch
→
900 log_error("no device")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 900, __func__, "no device"
) : -abs(_e); });
901 fprintf(stderrstderr, "no device\n");
902 rc = 1;
903 goto exit;
904 }
905
906 initialize_srand();
907 for (cnt = 20; cnt > 0; cnt--) {
9
←
Loop condition is true. Entering loop body
→
908 struct timespec duration;
909
910 fd = open(node, O_RDONLY00|O_NONBLOCK04000|O_CLOEXEC02000000|(is_mounted(node) ? 0 : O_EXCL0200));
10
←
'?' condition is false
→
911 if (fd >= 0 || errno(*__errno_location ()) != EBUSY16)
11
←
Assuming 'fd' is >= 0
→
912 break;
12
←
 Execution continues on line 917
→
913 duration.tv_sec = 0;
914 duration.tv_nsec = (100 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);
915 nanosleep(&duration, NULL((void*)0));
916 }
917 if (fd
12.1
'fd' is >= 0
 < 0) {
13
←
Taking false branch
→
918 log_debug("unable to open '%s'", node)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 918, __func__, "unable to open '%s'"
, node) : -abs(_e); });
919 fprintf(stderrstderr, "unable to open '%s'\n", node);
920 rc = 1;
921 goto exit;
922 }
923 log_debug("probing: '%s'", node)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 923, __func__, "probing: '%s'"
, node) : -abs(_e); });
14
←
Assuming the condition is false
→
15
←
'?' condition is false
→
924
925 /* same data as original cdrom_id */
926 if (cd_capability_compat(udev, fd) < 0) {
16
←
Taking false branch
→
927 rc = 1;
928 goto exit;
929 }
930
931 /* check for media - don't bail if there's no media as we still need to
932 * to read profiles */
933 cd_media_compat(udev, fd);
934
935 /* check if drive talks MMC */
936 if (cd_inquiry(udev, fd) < 0)
17
←
Taking false branch
→
937 goto work;
938
939 /* read drive and possibly current profile */
940 if (cd_profiles(udev, fd) != 0)
18
←
Taking false branch
→
941 goto work;
942
943 /* at this point we are guaranteed to have media in the drive - find out more about it */
944
945 /* get session/track info */
946 cd_media_toc(udev, fd);
19
←
Calling 'cd_media_toc'
→
947
948 /* get writable media state */
949 cd_media_info(udev, fd);
950
951work:
952 /* lock the media, so we enable eject button events */
953 if (lock && cd_media) {
954 log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (lock)")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 954, __func__, "PREVENT_ALLOW_MEDIUM_REMOVAL (lock)"
) : -abs(_e); });
955 media_lock(udev, fd, true1);
956 }
957
958 if (unlock && cd_media) {
959 log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 959, __func__, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)"
) : -abs(_e); });
960 media_lock(udev, fd, false0);
961 }
962
963 if (eject) {
964 log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 964, __func__, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)"
) : -abs(_e); });
965 media_lock(udev, fd, false0);
966 log_debug("START_STOP_UNIT (eject)")({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_UDEV
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/udev/cdrom_id/cdrom_id.c", 966, __func__, "START_STOP_UNIT (eject)"
) : -abs(_e); });
967 media_eject(udev, fd);
968 }
969
970 printf("ID_CDROM=1\n");
971 if (cd_cd_rom)
972 printf("ID_CDROM_CD=1\n");
973 if (cd_cd_r)
974 printf("ID_CDROM_CD_R=1\n");
975 if (cd_cd_rw)
976 printf("ID_CDROM_CD_RW=1\n");
977 if (cd_dvd_rom)
978 printf("ID_CDROM_DVD=1\n");
979 if (cd_dvd_r)
980 printf("ID_CDROM_DVD_R=1\n");
981 if (cd_dvd_rw)
982 printf("ID_CDROM_DVD_RW=1\n");
983 if (cd_dvd_ram)
984 printf("ID_CDROM_DVD_RAM=1\n");
985 if (cd_dvd_plus_r)
986 printf("ID_CDROM_DVD_PLUS_R=1\n");
987 if (cd_dvd_plus_rw)
988 printf("ID_CDROM_DVD_PLUS_RW=1\n");
989 if (cd_dvd_plus_r_dl)
990 printf("ID_CDROM_DVD_PLUS_R_DL=1\n");
991 if (cd_dvd_plus_rw_dl)
992 printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");
993 if (cd_bd)
994 printf("ID_CDROM_BD=1\n");
995 if (cd_bd_r)
996 printf("ID_CDROM_BD_R=1\n");
997 if (cd_bd_re)
998 printf("ID_CDROM_BD_RE=1\n");
999 if (cd_hddvd)
1000 printf("ID_CDROM_HDDVD=1\n");
1001 if (cd_hddvd_r)
1002 printf("ID_CDROM_HDDVD_R=1\n");
1003 if (cd_hddvd_rw)
1004 printf("ID_CDROM_HDDVD_RW=1\n");
1005 if (cd_mo)
1006 printf("ID_CDROM_MO=1\n");
1007 if (cd_mrw)
1008 printf("ID_CDROM_MRW=1\n");
1009 if (cd_mrw_w)
1010 printf("ID_CDROM_MRW_W=1\n");
1011
1012 if (cd_media)
1013 printf("ID_CDROM_MEDIA=1\n");
1014 if (cd_media_mo)
1015 printf("ID_CDROM_MEDIA_MO=1\n");
1016 if (cd_media_mrw)
1017 printf("ID_CDROM_MEDIA_MRW=1\n");
1018 if (cd_media_mrw_w)
1019 printf("ID_CDROM_MEDIA_MRW_W=1\n");
1020 if (cd_media_cd_rom)
1021 printf("ID_CDROM_MEDIA_CD=1\n");
1022 if (cd_media_cd_r)
1023 printf("ID_CDROM_MEDIA_CD_R=1\n");
1024 if (cd_media_cd_rw)
1025 printf("ID_CDROM_MEDIA_CD_RW=1\n");
1026 if (cd_media_dvd_rom)
1027 printf("ID_CDROM_MEDIA_DVD=1\n");
1028 if (cd_media_dvd_r)
1029 printf("ID_CDROM_MEDIA_DVD_R=1\n");
1030 if (cd_media_dvd_ram)
1031 printf("ID_CDROM_MEDIA_DVD_RAM=1\n");
1032 if (cd_media_dvd_rw)
1033 printf("ID_CDROM_MEDIA_DVD_RW=1\n");
1034 if (cd_media_dvd_plus_r)
1035 printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");
1036 if (cd_media_dvd_plus_rw)
1037 printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");
1038 if (cd_media_dvd_plus_rw_dl)
1039 printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");
1040 if (cd_media_dvd_plus_r_dl)
1041 printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");
1042 if (cd_media_bd)
1043 printf("ID_CDROM_MEDIA_BD=1\n");
1044 if (cd_media_bd_r)
1045 printf("ID_CDROM_MEDIA_BD_R=1\n");
1046 if (cd_media_bd_re)
1047 printf("ID_CDROM_MEDIA_BD_RE=1\n");
1048 if (cd_media_hddvd)
1049 printf("ID_CDROM_MEDIA_HDDVD=1\n");
1050 if (cd_media_hddvd_r)
1051 printf("ID_CDROM_MEDIA_HDDVD_R=1\n");
1052 if (cd_media_hddvd_rw)
1053 printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");
1054
1055 if (cd_media_state != NULL((void*)0))
1056 printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);
1057 if (cd_media_session_next > 0)
1058 printf("ID_CDROM_MEDIA_SESSION_NEXT=%u\n", cd_media_session_next);
1059 if (cd_media_session_count > 0)
1060 printf("ID_CDROM_MEDIA_SESSION_COUNT=%u\n", cd_media_session_count);
1061 if (cd_media_session_count > 1 && cd_media_session_last_offset > 0)
1062 printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
1063 if (cd_media_track_count > 0)
1064 printf("ID_CDROM_MEDIA_TRACK_COUNT=%u\n", cd_media_track_count);
1065 if (cd_media_track_count_audio > 0)
1066 printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%u\n", cd_media_track_count_audio);
1067 if (cd_media_track_count_data > 0)
1068 printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%u\n", cd_media_track_count_data);
1069exit:
1070 if (fd >= 0)
1071 close(fd);
1072 udev_unref(udev);
1073 log_close();
1074 return rc;
1075}