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2008-02-24 Bean <bean123ch@gmail.com>

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* fs/iso9660.c (GRUB_ISO9660_VOLDESC_BOOT): New macro.
	(GRUB_ISO9660_VOLDESC_PRIMARY): Likewise.
	(GRUB_ISO9660_VOLDESC_SUPP): Likewise.
	(GRUB_ISO9660_VOLDESC_PART): Likewise.
	(GRUB_ISO9660_VOLDESC_END): Likewise.
	(grub_iso9660_primary_voldesc): New member escape.
	(grub_iso9660_data): New member joliet.
	(grub_iso9660_convert_string): New function.
	(grub_iso9660_mount): Detect joliet extension.
	(grub_iso9660_iterate_dir): Convert filename when joliet is detected.
	(grub_iso9660_iso9660_label): Likewise.

	* conf/common.rmk (pkgdata_MODULES): Add udf.mod.
	(grub_setup_SOURCES): Add fs/udf.c.
	(grub_fstest_SOURCES): Likewise.
	(udf_mod_SOURCES): New variable.
	(udf_mod_CFLAGS): Likewise.
	(udf_mod_LDFLAGS): Likewise.

	* conf/i386-pc.rmk (grub_setup_SOURCES): Add fs/udf.c.
	(grub_emu_SOURCES): Likewise.

	* conf/i386-efi.rmk (grub_emu_SOURCES): Likewise.

	* conf/i386-ieee1275.rmk (grub_emu_SOURCES): Likewise.

	* conf/i386-linuxbios.rmk (grub_emu_SOURCES): Likewise.

	* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise.

	* fs/udf.c: New file.
This commit is contained in:
bean 2008-02-24 15:34:15 +00:00
parent 8a594a17c7
commit 0d16e571f1
15 changed files with 1185 additions and 74 deletions
Download patch file Download diff file Expand all files Collapse all files

119
fs/iso9660.c
View file

@ -38,6 +38,12 @@
#define GRUB_ISO9660_RR_DOT 2
#define GRUB_ISO9660_RR_DOTDOT 4
#define GRUB_ISO9660_VOLDESC_BOOT 0
#define GRUB_ISO9660_VOLDESC_PRIMARY 1
#define GRUB_ISO9660_VOLDESC_SUPP 2
#define GRUB_ISO9660_VOLDESC_PART 3
#define GRUB_ISO9660_VOLDESC_END 255
/* The head of a volume descriptor. */
struct grub_iso9660_voldesc
{
@ -67,11 +73,13 @@ struct grub_iso9660_primary_voldesc
struct grub_iso9660_voldesc voldesc;
grub_uint8_t unused1[33];
grub_uint8_t volname[32];
grub_uint8_t unused2[60];
grub_uint8_t unused2[16];
grub_uint8_t escape[32];
grub_uint8_t unused3[12];
grub_uint32_t path_table_size;
grub_uint8_t unused3[4];
grub_uint8_t unused4[4];
grub_uint32_t path_table;
grub_uint8_t unused4[12];
grub_uint8_t unused5[12];
struct grub_iso9660_dir rootdir;
} __attribute__ ((packed));
@ -115,6 +123,7 @@ struct grub_iso9660_data
unsigned int length;
int rockridge;
int susp_skip;
int joliet;
};
struct grub_fshelp_node
@ -197,6 +206,23 @@ grub_iso9660_susp_iterate (struct grub_iso9660_data *data,
return 0;
}
static char *
grub_iso9660_convert_string (grub_uint16_t *us, int len)
{
char *p;
int i;
p = grub_malloc (len * 4 + 1);
if (! p)
return p;
for (i=0; i<len; i++)
us[i] = grub_be_to_cpu16 (us[i]);
*grub_utf16_to_utf8 ((grub_uint8_t *) p, us, len) = '\0';
return p;
}
static struct grub_iso9660_data *
grub_iso9660_mount (grub_disk_t disk)
@ -207,6 +233,8 @@ grub_iso9660_mount (grub_disk_t disk)
int sua_size;
char *sua;
struct grub_iso9660_susp_entry *entry;
struct grub_iso9660_primary_voldesc voldesc;
int block;
auto grub_err_t susp_iterate (struct grub_iso9660_susp_entry *);
@ -226,24 +254,49 @@ grub_iso9660_mount (grub_disk_t disk)
if (! data)
return 0;
/* Read the superblock. */
if (grub_disk_read (disk, 16 << GRUB_ISO9660_LOG2_BLKSZ, 0,
sizeof (struct grub_iso9660_primary_voldesc),
(char *) &data->voldesc))
{
grub_error (GRUB_ERR_BAD_FS, "not a iso9660 filesystem");
goto fail;
}
if (grub_strncmp ((char *) data->voldesc.voldesc.magic, "CD001", 5) != 0)
{
grub_error (GRUB_ERR_BAD_FS, "not a iso9660 filesystem");
goto fail;
}
data->disk = disk;
data->rockridge = 0;
data->joliet = 0;
block = 16;
do
{
int copy_voldesc = 0;
/* Read the superblock. */
if (grub_disk_read (disk, block << GRUB_ISO9660_LOG2_BLKSZ, 0,
sizeof (struct grub_iso9660_primary_voldesc),
(char *) &voldesc))
{
grub_error (GRUB_ERR_BAD_FS, "not a iso9660 filesystem");
goto fail;
}
if (grub_strncmp ((char *) voldesc.voldesc.magic, "CD001", 5) != 0)
{
grub_error (GRUB_ERR_BAD_FS, "not a iso9660 filesystem");
goto fail;
}
if (voldesc.voldesc.type == GRUB_ISO9660_VOLDESC_PRIMARY)
copy_voldesc = 1;
else if ((voldesc.voldesc.type == GRUB_ISO9660_VOLDESC_SUPP) &&
(voldesc.escape[0] == 0x25) && (voldesc.escape[1] == 0x2f) &&
((voldesc.escape[2] == 0x40) || /* UCS-2 Level 1. */
(voldesc.escape[2] == 0x43) || /* UCS-2 Level 2. */
(voldesc.escape[2] == 0x45))) /* UCS-2 Level 3. */
{
copy_voldesc = 1;
data->joliet = 1;
}
if (copy_voldesc)
grub_memcpy((char *) &data->voldesc, (char *) &voldesc,
sizeof (struct grub_iso9660_primary_voldesc));
block++;
} while (voldesc.voldesc.type != GRUB_ISO9660_VOLDESC_END);
/* Read the system use area and test it to see if SUSP is
supported. */
if (grub_disk_read (disk, (grub_le_to_cpu32 (data->voldesc.rootdir.first_sector)
@ -254,14 +307,6 @@ grub_iso9660_mount (grub_disk_t disk)
goto fail;
}
if (grub_disk_read (disk, (grub_le_to_cpu32 (data->voldesc.rootdir.first_sector)
<< GRUB_ISO9660_LOG2_BLKSZ), 0,
sizeof (rootdir), (char *) &rootdir))
{
grub_error (GRUB_ERR_BAD_FS, "not a iso9660 filesystem");
goto fail;
}
sua_pos = (sizeof (rootdir) + rootdir.namelen
+ (rootdir.namelen % 2) - 1);
sua_size = rootdir.len - sua_pos;
@ -572,6 +617,20 @@ grub_iso9660_iterate_dir (grub_fshelp_node_t dir,
filename = name;
}
if (dir->data->joliet)
{
char *oldname;
oldname = filename;
filename = grub_iso9660_convert_string
((grub_uint16_t *) oldname, dirent.namelen >> 1);
if (filename_alloc)
grub_free (oldname);
filename_alloc = 1;
}
if (hook (filename, type, node))
{
if (filename_alloc)
@ -740,7 +799,11 @@ grub_iso9660_label (grub_device_t device, char **label)
if (data)
{
*label = grub_strndup ((char *) data->voldesc.volname, 32);
if (data->joliet)
*label = grub_iso9660_convert_string
((grub_uint16_t *) &data->voldesc.volname, 16);
else
*label = grub_strndup ((char *) data->voldesc.volname, 32);
grub_free (data);
}
else