static int
archive_read_format_cpio_read_header(struct archive_read *a,
struct archive_entry *entry)
{
struct cpio *cpio;
const void *h;
size_t namelength;
size_t name_pad;
int r;
cpio = (struct cpio *)(a->format->data);
r = (cpio->read_header(a, cpio, entry, &namelength, &name_pad));
if (r < ARCHIVE_WARN)
return (r);
/* Read name from buffer. */
h = __archive_read_ahead(a, namelength + name_pad, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
__archive_read_consume(a, namelength + name_pad);
archive_strncpy(&cpio->entry_name, (const char *)h, namelength);
archive_entry_set_pathname(entry, cpio->entry_name.s);
cpio->entry_offset = 0;
/* If this is a symlink, read the link contents. */
if (archive_entry_filetype(entry) == AE_IFLNK) {
h = __archive_read_ahead(a, cpio->entry_bytes_remaining, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
__archive_read_consume(a, cpio->entry_bytes_remaining);
archive_strncpy(&cpio->entry_linkname, (const char *)h,
cpio->entry_bytes_remaining);
archive_entry_set_symlink(entry, cpio->entry_linkname.s);
cpio->entry_bytes_remaining = 0;
}
/* XXX TODO: If the full mode is 0160200, then this is a Solaris
* ACL description for the following entry. Read this body
* and parse it as a Solaris-style ACL, then read the next
* header. XXX */
/* Compare name to "TRAILER!!!" to test for end-of-archive. */
if (namelength == 11 && strcmp((const char *)h, "TRAILER!!!") == 0) {
/* TODO: Store file location of start of block. */
archive_set_error(&a->archive, 0, NULL);
return (ARCHIVE_EOF);
}
/* Detect and record hardlinks to previously-extracted entries. */
record_hardlink(cpio, entry);
return (r);
}
static int
archive_read_format_cpio_read_header(struct archive_read *a,
struct archive_entry *entry)
{
struct cpio *cpio;
size_t bytes;
const void *h;
size_t namelength;
size_t name_pad;
int r;
cpio = (struct cpio *)(a->format->data);
r = (cpio->read_header(a, cpio, entry, &namelength, &name_pad));
if (r < ARCHIVE_WARN)
return (r);
/* Read name from buffer. */
bytes = (a->decompressor->read_ahead)(a, &h, namelength + name_pad);
if (bytes < namelength + name_pad)
return (ARCHIVE_FATAL);
(a->decompressor->consume)(a, namelength + name_pad);
archive_strncpy(&cpio->entry_name, (const char *)h, namelength);
archive_entry_set_pathname(entry, cpio->entry_name.s);
cpio->entry_offset = 0;
/* If this is a symlink, read the link contents. */
if (archive_entry_filetype(entry) == AE_IFLNK) {
bytes = (a->decompressor->read_ahead)(a, &h,
cpio->entry_bytes_remaining);
if ((off_t)bytes < cpio->entry_bytes_remaining)
return (ARCHIVE_FATAL);
(a->decompressor->consume)(a, cpio->entry_bytes_remaining);
archive_strncpy(&cpio->entry_linkname, (const char *)h,
cpio->entry_bytes_remaining);
archive_entry_set_symlink(entry, cpio->entry_linkname.s);
cpio->entry_bytes_remaining = 0;
}
/* Compare name to "TRAILER!!!" to test for end-of-archive. */
if (namelength == 11 && strcmp((const char *)h, "TRAILER!!!") == 0) {
/* TODO: Store file location of start of block. */
archive_set_error(&a->archive, 0, NULL);
return (ARCHIVE_EOF);
}
/* Detect and record hardlinks to previously-extracted entries. */
record_hardlink(cpio, entry);
return (r);
}
static int
archive_read_format_cpio_read_header(struct archive_read *a,
struct archive_entry *entry)
{
struct cpio *cpio;
const void *h, *hl;
struct archive_string_conv *sconv;
size_t namelength;
size_t name_pad;
int r;
cpio = (struct cpio *)(a->format->data);
sconv = cpio->opt_sconv;
if (sconv == NULL) {
if (!cpio->init_default_conversion) {
cpio->sconv_default =
archive_string_default_conversion_for_read(
&(a->archive));
cpio->init_default_conversion = 1;
}
sconv = cpio->sconv_default;
}
r = (cpio->read_header(a, cpio, entry, &namelength, &name_pad));
if (r < ARCHIVE_WARN)
return (r);
/* Read name from buffer. */
h = __archive_read_ahead(a, namelength + name_pad, NULL);
if (h == NULL)
return (ARCHIVE_FATAL);
if (archive_entry_copy_pathname_l(entry,
(const char *)h, namelength, sconv) != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Pathname");
return (ARCHIVE_FATAL);
}
archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
"Pathname can't be converted from %s to current locale.",
archive_string_conversion_charset_name(sconv));
r = ARCHIVE_WARN;
}
cpio->entry_offset = 0;
__archive_read_consume(a, namelength + name_pad);
/* If this is a symlink, read the link contents. */
if (archive_entry_filetype(entry) == AE_IFLNK) {
if (cpio->entry_bytes_remaining > 1024 * 1024) {
archive_set_error(&a->archive, ENOMEM,
"Rejecting malformed cpio archive: symlink contents exceed 1 megabyte");
return (ARCHIVE_FATAL);
}
hl = __archive_read_ahead(a,
(size_t)cpio->entry_bytes_remaining, NULL);
if (hl == NULL)
return (ARCHIVE_FATAL);
if (archive_entry_copy_symlink_l(entry, (const char *)hl,
(size_t)cpio->entry_bytes_remaining, sconv) != 0) {
if (errno == ENOMEM) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory for Linkname");
return (ARCHIVE_FATAL);
}
archive_set_error(&a->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Linkname can't be converted from %s to "
"current locale.",
archive_string_conversion_charset_name(sconv));
r = ARCHIVE_WARN;
}
__archive_read_consume(a, cpio->entry_bytes_remaining);
cpio->entry_bytes_remaining = 0;
}
/* XXX TODO: If the full mode is 0160200, then this is a Solaris
* ACL description for the following entry. Read this body
* and parse it as a Solaris-style ACL, then read the next
* header. XXX */
/* Compare name to "TRAILER!!!" to test for end-of-archive. */
if (namelength == 11 && strncmp((const char *)h, "TRAILER!!!",
11) == 0) {
/* TODO: Store file location of start of block. */
archive_clear_error(&a->archive);
return (ARCHIVE_EOF);
}
/* Detect and record hardlinks to previously-extracted entries. */
if (record_hardlink(a, cpio, entry) != ARCHIVE_OK) {
return (ARCHIVE_FATAL);
}
return (r);
}
