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2008-08-31 Felix Zielcke <fzielcke@z-51.de>

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* fs/iso9660.c (grub_iso9660_date): New structure.
        (grub_iso9660_primary_voldesc): Add `grub_iso9660_date' member.
        (grub_iso9660_uuid): New function.
This commit is contained in:
fzielcke 2008-09-06 11:16:52 +00:00
parent 5926115732
commit c375ae58f2
2 changed files with 73 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-08-31 Felix Zielcke <fzielcke@z-51.de>
* fs/iso9660.c (grub_iso9660_date): New structure.
(grub_iso9660_primary_voldesc): Add `grub_iso9660_date' member.
(grub_iso9660_uuid): New function.
2008-09-05 Bean <bean123ch@gmail.com>
* fs/fshelp.c (grub_fshelp_find_file): Handle case insensitive names.

67
fs/iso9660.c
View file

@ -67,6 +67,18 @@ struct grub_iso9660_dir
grub_uint8_t namelen;
} __attribute__ ((packed));
struct grub_iso9660_date
{
grub_uint8_t year[4];
grub_uint8_t month[2];
grub_uint8_t day[2];
grub_uint8_t hour[2];
grub_uint8_t minute[2];
grub_uint8_t second[2];
grub_uint8_t hundredth[2];
grub_uint8_t offset;
} __attribute__ ((packed));
/* The primary volume descriptor. Only little endian is used. */
struct grub_iso9660_primary_voldesc
{
@ -81,6 +93,8 @@ struct grub_iso9660_primary_voldesc
grub_uint32_t path_table;
grub_uint8_t unused5[12];
struct grub_iso9660_dir rootdir;
grub_uint8_t unused6[641];
struct grub_iso9660_date created;
} __attribute__ ((packed));
/* A single entry in the path table. */
@ -812,6 +826,58 @@ grub_iso9660_label (grub_device_t device, char **label)
return grub_errno;
}
static grub_err_t
grub_iso9660_uuid (grub_device_t device, char **uuid)
{
struct grub_iso9660_data *data;
grub_disk_t disk = device->disk;
#ifndef GRUB_UTIL
grub_dl_ref (my_mod);
#endif
data = grub_iso9660_mount (disk);
if (data)
{
if (! data->voldesc.created.year[0] && ! data->voldesc.created.year[1]
&& ! data->voldesc.created.year[2] && ! data->voldesc.created.year[3]
&& ! data->voldesc.created.month[0] && ! data->voldesc.created.month[1]
&& ! data->voldesc.created.day[0] && ! data->voldesc.created.day[1]
&& ! data->voldesc.created.hour[0] && ! data->voldesc.created.hour[1]
&& ! data->voldesc.created.minute[0] && ! data->voldesc.created.minute[1]
&& ! data->voldesc.created.second[0] && ! data->voldesc.created.second[1]
&& ! data->voldesc.created.hundredth[0] && ! data->voldesc.created.hundredth[1])
{
grub_error (GRUB_ERR_BAD_NUMBER, "No creation date in filesystem to generate UUID.");
*uuid = NULL;
}
else
{
*uuid = grub_malloc (sizeof ("YYYY-MM-DD-HH-mm-ss-hh"));
grub_sprintf (*uuid, "%c%c%c%c-%c%c-%c%c-%c%c-%c%c-%c%c-%c%c",
data->voldesc.created.year[0], data->voldesc.created.year[1],
data->voldesc.created.year[2], data->voldesc.created.year[3],
data->voldesc.created.month[0], data->voldesc.created.month[1],
data->voldesc.created.day[0], data->voldesc.created.day[1],
data->voldesc.created.hour[0], data->voldesc.created.hour[1],
data->voldesc.created.minute[0], data->voldesc.created.minute[1],
data->voldesc.created.second[0], data->voldesc.created.second[1],
data->voldesc.created.hundredth[0], data->voldesc.created.hundredth[1]);
}
}
else
*uuid = NULL;
#ifndef GRUB_UTIL
grub_dl_unref (my_mod);
#endif
grub_free (data);
return grub_errno;
}
static struct grub_fs grub_iso9660_fs =
@ -822,6 +888,7 @@ static struct grub_fs grub_iso9660_fs =
.read = grub_iso9660_read,
.close = grub_iso9660_close,
.label = grub_iso9660_label,
.uuid = grub_iso9660_uuid,
.next = 0
};