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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/*
* Guillaume Cottenceau (gc)
*
* Copyright 2000 Mandriva
*
* 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
*
*/
#define _GNU_SOURCE /* We want the non segfaulting my_dirname() -- See dirname(3) */
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <libgen.h>
#include "stage1.h"
#include "frontend.h"
#include "modules.h"
#include "probing.h"
#include "log.h"
#include "tools.h"
#include "utils.h"
#include "mount.h"
#include "automatic.h"
#include "directory.h"
#include "partition.h"
#include "disk.h"
static enum return_type try_automatic_with_partition(char *dev) {
enum return_type results;
int mounted;
char *dir= get_auto_value("directory");
char location_full[500];
strcpy(location_full, MEDIA_LOCATION);
if (dir) {
strcat(location_full, "/");
strcat(location_full, dir);
}
wait_message("Trying to access " DISTRIB_NAME " disk (partition %s)", dev);
mounted = !try_mount(dev, MEDIA_LOCATION);
remove_wait_message();
if (mounted) {
create_IMAGE_LOCATION(MEDIA_LOCATION);
if (image_has_stage2()) {
results = try_with_directory(MEDIA_LOCATION, "disk", "disk-iso");
} else {
results = try_with_directory(location_full, "disk", "disk-iso");
}
if (results == RETURN_OK) {
if (!KEEP_MOUNTED)
umount(MEDIA_LOCATION);
return RETURN_OK;
}
}
if (mounted)
umount(MEDIA_LOCATION);
return RETURN_ERROR;
}
static enum return_type try_automatic_with_disk(char *disk, char *model) {
char * parts[50];
char * parts_comments[50];
enum return_type results;
char **dev;
char *part = get_auto_value("partition");
wait_message("Trying to access " DISTRIB_NAME " disk (drive %s)", model);
if (list_partitions(disk, parts, parts_comments)) {
stg1_error_message("Could not read partitions information.");
return RETURN_ERROR;
}
remove_wait_message();
dev = parts;
while (dev && *dev) {
if (part && strcmp(part, *dev) != 0)
goto next;
results = try_automatic_with_partition(*dev);
if (results == RETURN_OK) {
return RETURN_OK;
}
next:
dev++;
}
return RETURN_ERROR;
}
static enum return_type try_automatic(char ** medias, char ** medias_models)
{
char ** model = medias_models;
char ** ptr = medias;
char *disk = get_auto_value("disk");
while (ptr && *ptr) {
enum return_type results;
if (disk && strcmp(disk, *ptr) != 0)
goto next;
results = try_automatic_with_disk(*ptr, *model);
if (results == RETURN_OK)
return RETURN_OK;
next:
ptr++;
model++;
}
return RETURN_ERROR;
}
static enum return_type try_with_device(char *dev_name)
{
char * questions_location[] = { "Directory or ISO images directory or ISO image", NULL };
char * questions_location_auto[] = { "directory", NULL };
static char ** answers_location = NULL;
char location_full[500];
char * parts[50];
char * parts_comments[50];
enum return_type results;
char * choice;
if (list_partitions(dev_name, parts, parts_comments)) {
stg1_error_message("Could not read partitions information.");
return RETURN_ERROR;
}
/* uglyness to allow auto starting with devfs */
if (!IS_AUTOMATIC || streq((choice = get_auto_value("partition")), "")) {
if (parts[0] == NULL) {
stg1_error_message("No partition found.");
return RETURN_ERROR;
}
results = ask_from_list_comments_auto("Please select the partition containing the copy of the "
DISTRIB_NAME " Distribution install source.",
parts, parts_comments, &choice, "partition", parts);
if (results != RETURN_OK)
return results;
}
/* in testing mode, assume the partition is already mounted on MEDIA_LOCATION */
if (!IS_TESTING && try_mount(choice, MEDIA_LOCATION)) {
stg1_error_message("I can't find a valid filesystem (tried: ext4, vfat, ntfs, reiserfs). "
"Make sure the partition has been cleanly unmounted.");
return try_with_device(dev_name);
}
ask_dir:
if (ask_from_entries_auto("Please enter the directory (or ISO image file) containing the "
DISTRIB_NAME " Distribution install source.",
questions_location, &answers_location, 24, questions_location_auto, NULL) != RETURN_OK) {
umount(MEDIA_LOCATION);
return try_with_device(dev_name);
}
strcpy(location_full, MEDIA_LOCATION);
strcat(location_full, "/");
strcat(location_full, answers_location[0]);
if (access(location_full, R_OK)) {
char * path = strdup(answers_location[0]);
stg1_error_message("Directory or ISO image file could not be found on partition.\n"
"Here's a short extract of the files in the directory %s:\n"
"%s", my_dirname(path), extract_list_directory(my_dirname(location_full)));
free(path);
goto ask_dir;
}
results = try_with_directory(location_full, "disk", "disk-iso");
if (results != RETURN_OK) {
goto ask_dir;
}
if (!KEEP_MOUNTED)
umount(MEDIA_LOCATION);
return RETURN_OK;
}
enum return_type disk_prepare(void)
{
char ** medias, ** medias_models;
char * choice;
int i;
enum return_type results;
static int already_probed_ide_generic = 0;
int count = get_disks(&medias, &medias_models);
if (IS_AUTOMATIC) {
results = try_automatic(medias, medias_models);
if (results != RETURN_ERROR)
return results;
unset_automatic();
}
if (count == 0) {
if (!already_probed_ide_generic) {
already_probed_ide_generic = 1;
my_modprobe("ide_generic", ANY_DRIVER_TYPE, NULL);
return disk_prepare();
}
stg1_error_message("No DISK drive found.");
i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
if (count == 1) {
results = try_with_device(*medias);
if (results != RETURN_ERROR)
return results;
i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
results = ask_from_list_comments_auto("Please select the disk containing the copy of the "
DISTRIB_NAME " Distribution install source.",
medias, medias_models, &choice, "disk", medias);
if (results != RETURN_OK)
return results;
results = try_with_device(choice);
if (results != RETURN_ERROR)
return results;
i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
|
