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Strip ";1" and trailing "." from ISO9660 entries.

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This seems a better match for people's expectations.
This commit is contained in:
Tim Kientzle 2008-12-06 06:57:45 +00:00
parent 08da6f539c
commit dc8cb157dd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=185682
1 changed files with 21 additions and 12 deletions
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33
lib/libarchive/archive_read_support_format_iso9660.c
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@ -593,6 +593,8 @@ parse_file_info(struct iso9660 *iso9660, struct file_info *parent,
{
struct file_info *file;
size_t name_len;
const unsigned char *rr_start, *rr_end;
const char *p;
int flags;
/* TODO: Sanity check that name_len doesn't exceed length, etc. */
@ -610,8 +612,23 @@ parse_file_info(struct iso9660 *iso9660, struct file_info *parent,
file->size = toi(isodirrec + DR_size_offset, DR_size_size);
file->mtime = isodate7(isodirrec + DR_date_offset);
file->ctime = file->atime = file->mtime;
name_len = (size_t)*(const unsigned char *)(isodirrec + DR_name_len_offset);
archive_strncpy(&file->name, isodirrec + DR_name_offset, name_len);
p = isodirrec + DR_name_offset;
/* Rockridge extensions (if any) follow name. Compute this
* before fidgeting the name_len below. */
rr_start = p + name_len + (name_len & 1 ? 0 : 1) + iso9660->suspOffset;
rr_end = (const unsigned char *)isodirrec
+ *(isodirrec + DR_length_offset);
/* Chop off trailing ';1' from files. */
if (name_len > 2 && p[name_len - 1] == '1' && p[name_len - 2] == ';')
name_len -= 2;
/* Chop off trailing '.' from filenames. */
if (name_len > 1 && p[name_len - 1] == '.')
--name_len;
archive_strncpy(&file->name, p, name_len);
flags = *(isodirrec + DR_flags_offset);
if (flags & 0x02)
file->mode = AE_IFDIR | 0700;
@ -619,17 +636,7 @@ parse_file_info(struct iso9660 *iso9660, struct file_info *parent,
file->mode = AE_IFREG | 0400;
/* Rockridge extensions overwrite information from above. */
{
const unsigned char *rr_start, *rr_end;
rr_end = (const unsigned char *)isodirrec
+ *(isodirrec + DR_length_offset);
rr_start = (const unsigned char *)(isodirrec + DR_name_offset
+ name_len);
if ((name_len & 1) == 0)
rr_start++;
rr_start += iso9660->suspOffset;
parse_rockridge(iso9660, file, rr_start, rr_end);
}
parse_rockridge(iso9660, file, rr_start, rr_end);
#if DEBUG
/* DEBUGGING: Warn about attributes I don't yet fully support. */
@ -690,6 +697,8 @@ parse_rockridge(struct iso9660 *iso9660, struct file_info *file,
const unsigned char *p, const unsigned char *end)
{
(void)iso9660; /* UNUSED */
file->name_continues = 0;
file->symlink_continues = 0;
while (p + 4 < end /* Enough space for another entry. */
&& p[0] >= 'A' && p[0] <= 'Z' /* Sanity-check 1st char of name. */