uint16_t
iso9660_pathtable_l_add_entry (void *pt,
const char name[],
uint32_t extent,
uint16_t parent)
{
iso_path_table_t *ipt =
(iso_path_table_t *)((char *)pt + iso9660_pathtable_get_size (pt));
size_t name_len = strlen (name) ? strlen (name) : 1;
unsigned int entrynum = 0;
cdio_assert (iso9660_pathtable_get_size (pt) < ISO_BLOCKSIZE); /*fixme */
memset (ipt, 0, sizeof (iso_path_table_t) + name_len); /* paranoia */
ipt->name_len = to_711 (name_len);
ipt->extent = to_731 (extent);
ipt->parent = to_721 (parent);
memcpy (ipt->name, name, name_len);
pathtable_get_size_and_entries (pt, NULL, &entrynum);
if (entrynum > 1)
{
const iso_path_table_t *ipt2
= pathtable_get_entry (pt, entrynum - 2);
cdio_assert (ipt2 != NULL);
cdio_assert (from_721 (ipt2->parent) <= parent);
}
return entrynum;
}
static int
parse_rock_ridge_stat_internal(iso9660_dir_t *p_iso9660_dir,
iso9660_stat_t *p_stat, int regard_xa)
{
int len;
unsigned char * chr;
int symlink_len = 0;
CONTINUE_DECLS;
if (nope == p_stat->rr.b3_rock) return 0;
SETUP_ROCK_RIDGE(p_iso9660_dir, chr, len);
if (regard_xa)
{
chr+=14;
len-=14;
if (len<0) len=0;
}
/* repeat:*/
{
int sig;
iso_extension_record_t * rr;
int rootflag;
while (len > 1){ /* There may be one byte for padding somewhere */
rr = (iso_extension_record_t *) chr;
if (rr->len == 0) goto out; /* Something got screwed up here */
sig = from_721(*chr);
chr += rr->len;
len -= rr->len;
switch(sig){
case SIG('S','P'):
CHECK_SP(goto out);
break;
case SIG('C','E'):
CHECK_CE;
break;
case SIG('E','R'):
p_stat->rr.b3_rock = yep;
cdio_debug("ISO 9660 Extensions: ");
{ int p;
for(p=0;p<rr->u.ER.len_id;p++) cdio_debug("%c",rr->u.ER.data[p]);
}
break;
case SIG('P','X'):
p_stat->rr.st_mode = from_733(rr->u.PX.st_mode);
p_stat->rr.st_nlinks = from_733(rr->u.PX.st_nlinks);
p_stat->rr.st_uid = from_733(rr->u.PX.st_uid);
p_stat->rr.st_gid = from_733(rr->u.PX.st_gid);
break;
case SIG('P','N'):
/* Device major,minor number */
{ int32_t high, low;
high = from_733(rr->u.PN.dev_high);
low = from_733(rr->u.PN.dev_low);
/*
* The Rock Ridge standard specifies that if sizeof(dev_t) <= 4,
* then the high field is unused, and the device number is completely
* stored in the low field. Some writers may ignore this subtlety,
* and as a result we test to see if the entire device number is
* stored in the low field, and use that.
*/
if((low & ~0xff) && high == 0) {
p_stat->rr.i_rdev = CDIO_MKDEV(low >> 8, low & 0xff);
} else {
p_stat->rr.i_rdev = CDIO_MKDEV(high, low);
}
}
break;
case SIG('T','F'):
/* Time stamp(s) for a file */
{
int cnt = 0;
add_time(ISO_ROCK_TF_CREATE, create);
add_time(ISO_ROCK_TF_MODIFY, modify);
add_time(ISO_ROCK_TF_ACCESS, access);
add_time(ISO_ROCK_TF_ATTRIBUTES, attributes);
add_time(ISO_ROCK_TF_BACKUP, backup);
add_time(ISO_ROCK_TF_EXPIRATION, expiration);
add_time(ISO_ROCK_TF_EFFECTIVE, effective);
p_stat->rr.b3_rock = yep;
break;
}
case SIG('S','L'):
{
/* Symbolic link */
uint8_t slen;
iso_rock_sl_part_t * p_sl;
iso_rock_sl_part_t * p_oldsl;
slen = rr->len - 5;
p_sl = &rr->u.SL.link;
p_stat->rr.i_symlink = symlink_len;
while (slen > 1){
rootflag = 0;
switch(p_sl->flags &~1){
case 0:
realloc_symlink(p_stat, p_sl->len);
memcpy(&(p_stat->rr.psz_symlink[p_stat->rr.i_symlink]),
p_sl->text, p_sl->len);
p_stat->rr.i_symlink += p_sl->len;
break;
case 4:
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '.';
/* continue into next case. */
case 2:
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '.';
break;
case 8:
rootflag = 1;
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '/';
p_stat->rr.i_symlink++;
break;
default:
cdio_warn("Symlink component flag not implemented");
}
slen -= p_sl->len + 2;
p_oldsl = p_sl;
p_sl = (iso_rock_sl_part_t *) (((char *) p_sl) + p_sl->len + 2);
if (slen < 2) {
if (((rr->u.SL.flags & 1) != 0) && ((p_oldsl->flags & 1) == 0))
p_stat->rr.i_symlink += 1;
break;
}
/*
* If this component record isn't continued, then append a '/'.
*/
if (!rootflag && (p_oldsl->flags & 1) == 0) {
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '/';
}
}
}
symlink_len = p_stat->rr.i_symlink;
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[symlink_len]='\0';
break;
case SIG('R','E'):
cdio_warn("Attempt to read p_stat for relocated directory");
goto out;
#ifdef FINISHED
case SIG('C','L'):
{
iso9660_stat_t * reloc;
ISOFS_I(p_stat)->i_first_extent = from_733(rr->u.CL.location);
reloc = isofs_iget(p_stat->rr.i_sb, p_stat->rr.i_first_extent, 0);
if (!reloc)
goto out;
p_stat->rr.st_mode = reloc->st_mode;
p_stat->rr.st_nlinks = reloc->st_nlinks;
p_stat->rr.st_uid = reloc->st_uid;
p_stat->rr.st_gid = reloc->st_gid;
p_stat->rr.i_rdev = reloc->i_rdev;
p_stat->rr.i_symlink = reloc->i_symlink;
p_stat->rr.i_blocks = reloc->i_blocks;
p_stat->rr.i_atime = reloc->i_atime;
p_stat->rr.i_ctime = reloc->i_ctime;
p_stat->rr.i_mtime = reloc->i_mtime;
iput(reloc);
}
break;
#endif
default:
break;
}
}
