1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
Copyright (C) 2003-2008, 2011, 2017 Rocky Bernstein
<rocky@gnu.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Tests reading ISO 9660 info from a CD. */
#include "portable.h"
#include "cdio_assert.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <cdio/cdio.h>
#include <cdio/iso9660.h>
#include <cdio/cd_types.h>
#define SKIP_TEST_RC 77
int
main(int argc, const char *argv[])
{
char **ppsz_cd_drives = NULL; /* All drives with an ISO9660 filesystem. */
driver_id_t driver_id; /* Driver ID found */
char *psz_drive; /* Name of drive */
CdIo_t *p_cdio;
/* See if we can find a device with a loaded CD-DA in it. If successful
drive_id will be set. */
ppsz_cd_drives =
cdio_get_devices_with_cap_ret(NULL, CDIO_FS_ANAL_ISO9660_ANY,
true, &driver_id);
if (ppsz_cd_drives && ppsz_cd_drives[0]) {
/* Found such a CD-ROM with an ISO 9660 filesystem. Use the first drive in
the list. */
psz_drive = strdup(ppsz_cd_drives[0]);
/* Don't need a list of CD's with CD-DA's any more. */
cdio_free_device_list(ppsz_cd_drives);
ppsz_cd_drives = NULL;
} else {
printf("-- Unable find or access a CD-ROM drive with an ISO-9660 "
"filesystem.\n");
if (ppsz_cd_drives)
cdio_free_device_list(ppsz_cd_drives);
exit(SKIP_TEST_RC);
}
p_cdio = cdio_open (psz_drive, driver_id);
if (!p_cdio) {
fprintf(stderr, "Sorry, couldn't open %s\n", psz_drive);
free(psz_drive);
return 1;
} else {
/* You make get different results looking up "/" versus "/." and the
latter may give more complete information. "/" will take information
from the PVD only, whereas "/." will force a directory read of "/" and
find "." and in that Rock-Ridge information might be found which fills
in more stat information that iso9660_fs_find_lsn also will find.
. Ideally iso9660_fs_stat should be fixed. */
iso9660_stat_t *p_statbuf = iso9660_fs_stat (p_cdio, "/.");
free(psz_drive);
if (NULL == p_statbuf) {
fprintf(stderr,
"Could not get ISO-9660 file information for file /.\n");
cdio_destroy(p_cdio);
exit(2);
} else {
/* Now try getting the statbuf another way */
char buf[ISO_BLOCKSIZE];
char *psz_path = NULL;
const lsn_t i_lsn = p_statbuf->lsn;
iso9660_stat_t *p_statbuf2 = iso9660_fs_find_lsn (p_cdio, i_lsn);
iso9660_stat_t *p_statbuf3 =
iso9660_fs_find_lsn_with_path (p_cdio, i_lsn, &psz_path);
int rc=0;
const unsigned int statbuf_test_size = 100;
/* Compare the two statbufs. */
if (p_statbuf->lsn != p_statbuf2->lsn ||
p_statbuf->total_size != p_statbuf2->total_size ||
p_statbuf->type != p_statbuf2->type) {
fprintf(stderr, "File stat information between fs_stat and "
"fs_find_lsn isn't the same\n");
rc=3;
goto exit;
}
cdio_assert(statbuf_test_size < sizeof(iso9660_stat_t));
if (0 != memcmp(p_statbuf3, p_statbuf2, statbuf_test_size)) {
fprintf(stderr, "File stat information between fs_find_lsn and "
"fs_find_lsn_with_path isn't the same\n");
rc=4;
goto exit;
}
if (psz_path != NULL) {
if (0 != strncmp("/./", psz_path, strlen("/./"))) {
fprintf(stderr, "Path returned for fs_find_lsn_with_path "
"is not correct should be /./, is %s\n", psz_path);
free(psz_path);
rc=5;
goto exit;
}
} else {
fprintf(stderr, "Path returned for fs_find_lsn_with_path is NULL\n");
rc=6;
goto exit;
}
/* Try reading from the directory. */
memset (buf, 0, ISO_BLOCKSIZE);
if ( 0 != cdio_read_data_sectors (p_cdio, buf, i_lsn, ISO_BLOCKSIZE, 1) )
{
fprintf(stderr, "Error reading ISO 9660 file at lsn %lu\n",
(long unsigned int) p_statbuf->lsn);
rc=7;
}
exit:
iso9660_stat_free(p_statbuf);
iso9660_stat_free(p_statbuf2);
iso9660_stat_free(p_statbuf3);
cdio_destroy(p_cdio);
if (NULL != psz_path)
free(psz_path);
exit(rc);
}
}
exit(0);
}
|
