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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/*
* Guillaume Cottenceau (gc@mandrakesoft.com)
*
* Copyright 2000 Mandrakesoft
*
* This software may be freely redistributed under the terms of the GNU
* public license.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
* Portions from Erik Troan (ewt@redhat.com)
*
* Copyright 1996 Red Hat Software
*
*/
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <sys/mount.h>
#include "stage1.h"
#include "frontend.h"
#include "modules.h"
#include "probing.h"
#include "log.h"
#include "mount.h"
#include "tools.h"
#include "utils.h"
#include "cdrom.h"
static int mount_that_cd_device(char * dev_name)
{
char device_fullname[50];
int mount_result;
snprintf(device_fullname, sizeof(device_fullname), "/dev/%s", dev_name);
mount_result = my_mount(device_fullname, MEDIA_LOCATION, "iso9660", 0);
symlink(MEDIA_LOCATION_REL "/" ARCH, IMAGE_LOCATION);
return mount_result;
}
static enum return_type try_with_device(char * dev_name, char * dev_model);
static enum return_type do_with_device(char * dev_name, char * dev_model)
{
if (!image_has_stage2()) {
enum return_type results;
umount(MEDIA_LOCATION);
results = ask_yes_no("That CDROM disc does not seem to be a " DISTRIB_NAME " Installation CDROM.\nRetry with another disc?");
if (results == RETURN_OK)
return try_with_device(dev_name, dev_model);
return results;
}
log_message("found a " DISTRIB_NAME " CDROM, good news!");
may_load_compressed_image();
if (!KEEP_MOUNTED)
/* in rescue mode, we don't need the media anymore */
umount(MEDIA_LOCATION);
add_to_env("METHOD", "cdrom");
return RETURN_OK;
}
static enum return_type try_with_device(char * dev_name, char * dev_model)
{
wait_message("Trying to access a CDROM disc (drive %s)", dev_model);
if (mount_that_cd_device(dev_name) == -1) {
enum return_type results;
char msg[500];
unset_automatic(); /* we are in a fallback mode */
remove_wait_message();
snprintf(msg, sizeof(msg), "I can't access a " DISTRIB_NAME " Installation disc in your CDROM drive (%s).\nRetry?", dev_model);
results = ask_yes_no(msg);
if (results == RETURN_OK)
return try_with_device(dev_name, dev_model);
return results;
}
remove_wait_message();
return do_with_device(dev_name, dev_model);
}
int try_automatic(char ** medias, char ** medias_models)
{
static char * already_tried[50] = { NULL };
char ** model = medias_models;
char ** ptr = medias;
int i = 0;
while (ptr && *ptr) {
char ** p;
for (p = already_tried; p && *p; p++)
if (streq(*p, *ptr))
goto try_automatic_already_tried;
*p = strdup(*ptr);
*(p+1) = NULL;
wait_message("Trying to access " DISTRIB_NAME " CDROM disc (drive %s)", *model);
if (mount_that_cd_device(*ptr) != -1) {
if (image_has_stage2()) {
remove_wait_message();
return i;
}
else
umount(MEDIA_LOCATION);
}
remove_wait_message();
try_automatic_already_tried:
ptr++;
model++;
i++;
}
return -1;
}
enum return_type cdrom_prepare(void)
{
char ** medias, ** ptr, ** medias_models;
char * choice;
int i, count = 0;
enum return_type results;
static int already_probed_ide_generic = 0;
my_insmod("ide-cd", ANY_DRIVER_TYPE, NULL, 0);
if (IS_AUTOMATIC) {
get_medias(CDROM, &medias, &medias_models, BUS_IDE);
if ((i = try_automatic(medias, medias_models)) != -1)
return do_with_device(medias[i], medias_models[i]);
get_medias(CDROM, &medias, &medias_models, BUS_PCMCIA);
if ((i = try_automatic(medias, medias_models)) != -1)
return do_with_device(medias[i], medias_models[i]);
my_insmod("sr_mod", ANY_DRIVER_TYPE, NULL, 0);
get_medias(CDROM, &medias, &medias_models, BUS_SCSI);
if ((i = try_automatic(medias, medias_models)) != -1)
return do_with_device(medias[i], medias_models[i]);
get_medias(CDROM, &medias, &medias_models, BUS_USB);
if ((i = try_automatic(medias, medias_models)) != -1)
return do_with_device(medias[i], medias_models[i]);
unset_automatic();
} else
my_insmod("sr_mod", ANY_DRIVER_TYPE, NULL, 0);
get_medias(CDROM, &medias, &medias_models, BUS_ANY);
ptr = medias;
while (ptr && *ptr) {
count++;
ptr++;
}
if (count == 0) {
if (!already_probed_ide_generic) {
already_probed_ide_generic = 1;
my_insmod("ide-generic", ANY_DRIVER_TYPE, NULL, 0);
return cdrom_prepare();
}
stg1_error_message("No CDROM device found.");
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();
}
if (count == 1) {
results = try_with_device(*medias, *medias_models);
if (results == RETURN_OK)
return RETURN_OK;
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();
}
results = ask_from_list_comments("Please choose the CDROM drive to use for the installation.", medias, medias_models, &choice);
if (results == RETURN_OK) {
char ** model = medias_models;
ptr = medias;
while (ptr && *ptr && model && *model) {
if (!strcmp(*ptr, choice))
break;
ptr++;
model++;
}
results = try_with_device(choice, *model);
} else
return results;
if (results == RETURN_OK)
return RETURN_OK;
if (results == RETURN_BACK)
return cdrom_prepare();
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();
}
|
