/* List a tar archive, with support routines for reading a tar archive.
- Copyright 1988, 1992, 1993, 1994, 1996, 1997, 1998, 1999, 2000,
- 2001 Free Software Foundation, Inc.
+ Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1998, 1999, 2000,
+ 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
Written by John Gilmore, on 1985-08-26.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-/* Define to non-zero for forcing old ctime format instead of ISO format. */
-#undef USE_OLD_CTIME
-
-#include "system.h"
+#include <system.h>
+#include <inttostr.h>
#include <quotearg.h>
#include "common.h"
#define max(a, b) ((a) < (b) ? (b) : (a))
union block *current_header; /* points to current archive header */
-struct stat current_stat; /* stat struct corresponding */
enum archive_format current_format; /* recognized format */
union block *recent_long_name; /* recent long name header and contents */
union block *recent_long_link; /* likewise, for long link */
size_t recent_long_name_blocks; /* number of blocks in recent_long_name */
size_t recent_long_link_blocks; /* likewise, for long link */
-static uintmax_t from_header PARAMS ((const char *, size_t, const char *,
- uintmax_t, uintmax_t));
+static uintmax_t from_header (const char *, size_t, const char *,
+ uintmax_t, uintmax_t, bool, bool);
/* Base 64 digits; see Internet RFC 2045 Table 1. */
static char const base_64_digits[64] =
/* Main loop for reading an archive. */
void
-read_and (void (*do_something) ())
+read_and (void (*do_something) (void))
{
enum read_header status = HEADER_STILL_UNREAD;
enum read_header prev_status;
+ struct timespec mtime;
base64_init ();
name_gather ();
- open_archive (ACCESS_READ);
- while (1)
+ open_archive (ACCESS_READ);
+ do
{
prev_status = status;
- status = read_header (0);
+ tar_stat_destroy (¤t_stat_info);
+ xheader_destroy (&extended_header);
+
+ status = read_header (false);
switch (status)
{
case HEADER_STILL_UNREAD:
+ case HEADER_SUCCESS_EXTENDED:
abort ();
case HEADER_SUCCESS:
/* Valid header. We should decode next field (mode) first.
Ensure incoming names are null terminated. */
- if (! name_match (current_file_name)
- || (newer_mtime_option != TYPE_MINIMUM (time_t)
+ if (! name_match (current_stat_info.file_name)
+ || (NEWER_OPTION_INITIALIZED (newer_mtime_option)
/* FIXME: We get mtime now, and again later; this causes
duplicate diagnostics if header.mtime is bogus. */
- && ((current_stat.st_mtime
- = TIME_FROM_HEADER (current_header->header.mtime))
- < newer_mtime_option))
- || excluded_name (current_file_name))
+ && ((mtime.tv_sec
+ = TIME_FROM_HEADER (current_header->header.mtime)),
+ /* FIXME: Grab fractional time stamps from
+ extended header. */
+ mtime.tv_nsec = 0,
+ set_stat_mtime (¤t_stat_info.stat, mtime),
+ OLDER_STAT_TIME (current_stat_info.stat, m)))
+ || excluded_name (current_stat_info.file_name))
{
switch (current_header->header.typeflag)
{
case GNUTYPE_MULTIVOL:
case GNUTYPE_NAMES:
break;
-
+
case DIRTYPE:
if (show_omitted_dirs_option)
WARN ((0, 0, _("%s: Omitting"),
- quotearg_colon (current_file_name)));
+ quotearg_colon (current_stat_info.file_name)));
/* Fall through. */
default:
+ decode_header (current_header,
+ ¤t_stat_info, ¤t_format, 0);
skip_member ();
continue;
}
- }
+ }
(*do_something) ();
continue;
}
set_next_block_after (current_header);
+
+ if (!ignore_zeros_option)
+ {
+ char buf[UINTMAX_STRSIZE_BOUND];
+
+ status = read_header (false);
+ if (status == HEADER_ZERO_BLOCK)
+ break;
+ WARN ((0, 0, _("A lone zero block at %s"),
+ STRINGIFY_BIGINT (current_block_ordinal (), buf)));
+ break;
+ }
status = prev_status;
- if (ignore_zeros_option)
- continue;
- break;
+ continue;
case HEADER_END_OF_FILE:
if (block_number_option)
case HEADER_ZERO_BLOCK:
case HEADER_SUCCESS:
+ if (block_number_option)
+ {
+ char buf[UINTMAX_STRSIZE_BOUND];
+ off_t block_ordinal = current_block_ordinal ();
+ block_ordinal -= recent_long_name_blocks;
+ block_ordinal -= recent_long_link_blocks;
+ fprintf (stdlis, _("block %s: "),
+ STRINGIFY_BIGINT (block_ordinal, buf));
+ }
ERROR ((0, 0, _("Skipping to next header")));
break;
case HEADER_FAILURE:
/* We are in the middle of a cascade of errors. */
break;
+
+ case HEADER_SUCCESS_EXTENDED:
+ abort ();
}
continue;
}
break;
}
+ while (!all_names_found (¤t_stat_info));
close_archive ();
names_notfound (); /* print names not found */
{
/* Print the header block. */
+ decode_header (current_header, ¤t_stat_info, ¤t_format, 0);
if (verbose_option)
- {
- if (verbose_option > 1)
- decode_header (current_header, ¤t_stat, ¤t_format, 0);
- print_header ();
- }
+ print_header (¤t_stat_info, -1);
if (incremental_option && current_header->header.typeflag == GNUTYPE_DUMPDIR)
{
set_next_block_after (current_header);
if (multi_volume_option)
{
- assign_string (&save_name, current_file_name);
- save_totsize = current_stat.st_size;
+ assign_string (&save_name, current_stat_info.orig_file_name);
+ save_totsize = current_stat_info.stat.st_size;
}
- for (size = current_stat.st_size; size > 0; size -= written)
+ for (size = current_stat_info.stat.st_size; size > 0; size -= written)
{
if (multi_volume_option)
save_sizeleft = size;
(data_block->buffer + written - 1));
if (check != written)
{
- write_error_details (current_file_name, check, written);
+ write_error_details (current_stat_info.file_name, check, written);
skip_file (size - written);
break;
}
}
if (multi_volume_option)
- assign_string (&save_name, current_file_name);
+ assign_string (&save_name, current_stat_info.orig_file_name);
skip_member ();
assign_string (&save_name, 0);
}
+/* Check header checksum */
+/* The standard BSD tar sources create the checksum by adding up the
+ bytes in the header as type char. I think the type char was unsigned
+ on the PDP-11, but it's signed on the Next and Sun. It looks like the
+ sources to BSD tar were never changed to compute the checksum
+ correctly, so both the Sun and Next add the bytes of the header as
+ signed chars. This doesn't cause a problem until you get a file with
+ a name containing characters with the high bit set. So tar_checksum
+ computes two checksums -- signed and unsigned. */
+
+enum read_header
+tar_checksum (union block *header, bool silent)
+{
+ size_t i;
+ int unsigned_sum = 0; /* the POSIX one :-) */
+ int signed_sum = 0; /* the Sun one :-( */
+ int recorded_sum;
+ uintmax_t parsed_sum;
+ char *p;
+
+ p = header->buffer;
+ for (i = sizeof *header; i-- != 0;)
+ {
+ unsigned_sum += (unsigned char) *p;
+ signed_sum += (signed char) (*p++);
+ }
+
+ if (unsigned_sum == 0)
+ return HEADER_ZERO_BLOCK;
+
+ /* Adjust checksum to count the "chksum" field as blanks. */
+
+ for (i = sizeof header->header.chksum; i-- != 0;)
+ {
+ unsigned_sum -= (unsigned char) header->header.chksum[i];
+ signed_sum -= (signed char) (header->header.chksum[i]);
+ }
+ unsigned_sum += ' ' * sizeof header->header.chksum;
+ signed_sum += ' ' * sizeof header->header.chksum;
+
+ parsed_sum = from_header (header->header.chksum,
+ sizeof header->header.chksum, 0,
+ (uintmax_t) 0,
+ (uintmax_t) TYPE_MAXIMUM (int), true, silent);
+ if (parsed_sum == (uintmax_t) -1)
+ return HEADER_FAILURE;
+
+ recorded_sum = parsed_sum;
+
+ if (unsigned_sum != recorded_sum && signed_sum != recorded_sum)
+ return HEADER_FAILURE;
+
+ return HEADER_SUCCESS;
+}
+
/* Read a block that's supposed to be a header block. Return its
address in "current_header", and if it is good, the file's size in
- current_stat.st_size.
+ current_stat_info.stat.st_size.
Return 1 for success, 0 if the checksum is bad, EOF on eof, 2 for a
block full of zeros (EOF marker).
You must always set_next_block_after(current_header) to skip past
the header which this routine reads. */
-/* The standard BSD tar sources create the checksum by adding up the
- bytes in the header as type char. I think the type char was unsigned
- on the PDP-11, but it's signed on the Next and Sun. It looks like the
- sources to BSD tar were never changed to compute the checksum
- correctly, so both the Sun and Next add the bytes of the header as
- signed chars. This doesn't cause a problem until you get a file with
- a name containing characters with the high bit set. So read_header
- computes two checksums -- signed and unsigned. */
-
enum read_header
read_header (bool raw_extended_headers)
{
- size_t i;
- int unsigned_sum; /* the POSIX one :-) */
- int signed_sum; /* the Sun one :-( */
- int recorded_sum;
- uintmax_t parsed_sum;
- char *p;
union block *header;
- union block **longp;
+ union block *header_copy;
char *bp;
union block *data_block;
size_t size, written;
- static union block *next_long_name;
- static union block *next_long_link;
- static size_t next_long_name_blocks;
- static size_t next_long_link_blocks;
+ union block *next_long_name = 0;
+ union block *next_long_link = 0;
+ size_t next_long_name_blocks;
+ size_t next_long_link_blocks;
while (1)
{
+ enum read_header status;
+
header = find_next_block ();
current_header = header;
if (!header)
return HEADER_END_OF_FILE;
- unsigned_sum = 0;
- signed_sum = 0;
- p = header->buffer;
- for (i = sizeof *header; i-- != 0;)
- {
- unsigned_sum += (unsigned char) *p;
- signed_sum += (signed char) (*p++);
- }
-
- if (unsigned_sum == 0)
- return HEADER_ZERO_BLOCK;
-
- /* Adjust checksum to count the "chksum" field as blanks. */
-
- for (i = sizeof header->header.chksum; i-- != 0;)
- {
- unsigned_sum -= (unsigned char) header->header.chksum[i];
- signed_sum -= (signed char) (header->header.chksum[i]);
- }
- unsigned_sum += ' ' * sizeof header->header.chksum;
- signed_sum += ' ' * sizeof header->header.chksum;
-
- parsed_sum = from_header (header->header.chksum,
- sizeof header->header.chksum, 0,
- (uintmax_t) 0,
- (uintmax_t) TYPE_MAXIMUM (int));
- if (parsed_sum == (uintmax_t) -1)
- return HEADER_FAILURE;
-
- recorded_sum = parsed_sum;
-
- if (unsigned_sum != recorded_sum && signed_sum != recorded_sum)
- return HEADER_FAILURE;
+ if ((status = tar_checksum (header, false)) != HEADER_SUCCESS)
+ return status;
/* Good block. Decode file size and return. */
if (header->header.typeflag == LNKTYPE)
- current_stat.st_size = 0; /* links 0 size on tape */
+ current_stat_info.stat.st_size = 0; /* links 0 size on tape */
else
- current_stat.st_size = OFF_FROM_HEADER (header->header.size);
+ current_stat_info.stat.st_size = OFF_FROM_HEADER (header->header.size);
if (header->header.typeflag == GNUTYPE_LONGNAME
- || header->header.typeflag == GNUTYPE_LONGLINK)
+ || header->header.typeflag == GNUTYPE_LONGLINK
+ || header->header.typeflag == XHDTYPE
+ || header->header.typeflag == XGLTYPE
+ || header->header.typeflag == SOLARIS_XHDTYPE)
{
if (raw_extended_headers)
return HEADER_SUCCESS_EXTENDED;
- else
+ else if (header->header.typeflag == GNUTYPE_LONGNAME
+ || header->header.typeflag == GNUTYPE_LONGLINK)
{
- size_t name_size = current_stat.st_size;
- size = name_size - name_size % BLOCKSIZE + 2 * BLOCKSIZE;
- if (name_size != current_stat.st_size || size < name_size)
+ size_t name_size = current_stat_info.stat.st_size;
+ size_t n = name_size % BLOCKSIZE;
+ size = name_size + BLOCKSIZE;
+ if (n)
+ size += BLOCKSIZE - n;
+
+ if (name_size != current_stat_info.stat.st_size
+ || size < name_size)
xalloc_die ();
- }
- if (header->header.typeflag == GNUTYPE_LONGNAME)
- {
- longp = &next_long_name;
- next_long_name_blocks = size / BLOCKSIZE;
- }
- else
- {
- longp = &next_long_link;
- next_long_link_blocks = size / BLOCKSIZE;
- }
+ header_copy = xmalloc (size + 1);
- set_next_block_after (header);
- if (*longp)
- free (*longp);
- *longp = xmalloc (size + 1);
- **longp = *header;
- bp = (*longp)->buffer + BLOCKSIZE;
+ if (header->header.typeflag == GNUTYPE_LONGNAME)
+ {
+ if (next_long_name)
+ free (next_long_name);
+ next_long_name = header_copy;
+ next_long_name_blocks = size / BLOCKSIZE;
+ }
+ else
+ {
+ if (next_long_link)
+ free (next_long_link);
+ next_long_link = header_copy;
+ next_long_link_blocks = size / BLOCKSIZE;
+ }
- for (size -= BLOCKSIZE; size > 0; size -= written)
- {
- data_block = find_next_block ();
- if (! data_block)
+ set_next_block_after (header);
+ *header_copy = *header;
+ bp = header_copy->buffer + BLOCKSIZE;
+
+ for (size -= BLOCKSIZE; size > 0; size -= written)
{
- ERROR ((0, 0, _("Unexpected EOF in archive")));
- break;
+ data_block = find_next_block ();
+ if (! data_block)
+ {
+ ERROR ((0, 0, _("Unexpected EOF in archive")));
+ break;
+ }
+ written = available_space_after (data_block);
+ if (written > size)
+ written = size;
+
+ memcpy (bp, data_block->buffer, written);
+ bp += written;
+ set_next_block_after ((union block *)
+ (data_block->buffer + written - 1));
}
- written = available_space_after (data_block);
- if (written > size)
- written = size;
-
- memcpy (bp, data_block->buffer, written);
- bp += written;
- set_next_block_after ((union block *)
- (data_block->buffer + written - 1));
- }
- *bp = '\0';
+ *bp = '\0';
+ }
+ else if (header->header.typeflag == XHDTYPE
+ || header->header.typeflag == SOLARIS_XHDTYPE)
+ xheader_read (header, OFF_FROM_HEADER (header->header.size));
+ else if (header->header.typeflag == XGLTYPE)
+ {
+ xheader_read (header, OFF_FROM_HEADER (header->header.size));
+ xheader_decode_global ();
+ }
/* Loop! */
struct posix_header const *h = ¤t_header->header;
char namebuf[sizeof h->prefix + 1 + NAME_FIELD_SIZE + 1];
+ if (recent_long_name)
+ free (recent_long_name);
+
if (next_long_name)
{
name = next_long_name->buffer + BLOCKSIZE;
np[sizeof h->prefix] = '\0';
np += strlen (np);
*np++ = '/';
-
- /* Prevent later references to current_header from
- mistakenly treating this as an old GNU header.
- This assignment invalidates h->prefix. */
- current_header->oldgnu_header.isextended = 0;
}
memcpy (np, h->name, sizeof h->name);
np[sizeof h->name] = '\0';
name = namebuf;
+ recent_long_name = 0;
recent_long_name_blocks = 0;
}
- assign_string (¤t_file_name, name);
-
+ assign_string (¤t_stat_info.orig_file_name, name);
+ assign_string (¤t_stat_info.file_name, name);
+ current_stat_info.had_trailing_slash = strip_trailing_slashes (current_stat_info.file_name);
+
+ if (recent_long_link)
+ free (recent_long_link);
+
if (next_long_link)
{
name = next_long_link->buffer + BLOCKSIZE;
memcpy (namebuf, h->linkname, sizeof h->linkname);
namebuf[sizeof h->linkname] = '\0';
name = namebuf;
+ recent_long_link = 0;
recent_long_link_blocks = 0;
}
- assign_string (¤t_link_name, name);
+ assign_string (¤t_stat_info.link_name, name);
return HEADER_SUCCESS;
}
}
}
+#define ISOCTAL(c) ((c)>='0'&&(c)<='7')
+
/* Decode things from a file HEADER block into STAT_INFO, also setting
*FORMAT_POINTER depending on the header block format. If
DO_USER_GROUP, decode the user/group information (this is useful
should decode it without uid/gid before calling a routine,
e.g. print_header, that assumes decoded data. */
void
-decode_header (union block *header, struct stat *stat_info,
+decode_header (union block *header, struct tar_stat_info *stat_info,
enum archive_format *format_pointer, int do_user_group)
{
enum archive_format format;
+ struct timespec atime;
+ struct timespec ctime;
+ struct timespec mtime;
if (strcmp (header->header.magic, TMAGIC) == 0)
- format = POSIX_FORMAT;
+ {
+ if (header->star_header.prefix[130] == 0
+ && ISOCTAL (header->star_header.atime[0])
+ && header->star_header.atime[11] == ' '
+ && ISOCTAL (header->star_header.ctime[0])
+ && header->star_header.ctime[11] == ' ')
+ format = STAR_FORMAT;
+ else if (extended_header.size)
+ format = POSIX_FORMAT;
+ else
+ format = USTAR_FORMAT;
+ }
else if (strcmp (header->header.magic, OLDGNU_MAGIC) == 0)
format = OLDGNU_FORMAT;
else
format = V7_FORMAT;
*format_pointer = format;
- stat_info->st_mode = MODE_FROM_HEADER (header->header.mode);
- stat_info->st_mtime = TIME_FROM_HEADER (header->header.mtime);
+ stat_info->stat.st_mode = MODE_FROM_HEADER (header->header.mode);
+ mtime.tv_sec = TIME_FROM_HEADER (header->header.mtime);
+ mtime.tv_nsec = 0;
+ set_stat_mtime (&stat_info->stat, mtime);
+ assign_string (&stat_info->uname,
+ header->header.uname[0] ? header->header.uname : NULL);
+ assign_string (&stat_info->gname,
+ header->header.gname[0] ? header->header.gname : NULL);
if (format == OLDGNU_FORMAT && incremental_option)
{
- stat_info->st_atime = TIME_FROM_HEADER (header->oldgnu_header.atime);
- stat_info->st_ctime = TIME_FROM_HEADER (header->oldgnu_header.ctime);
+ atime.tv_sec = TIME_FROM_HEADER (header->oldgnu_header.atime);
+ ctime.tv_sec = TIME_FROM_HEADER (header->oldgnu_header.ctime);
+ atime.tv_nsec = ctime.tv_nsec = 0;
}
+ else if (format == STAR_FORMAT)
+ {
+ atime.tv_sec = TIME_FROM_HEADER (header->star_header.atime);
+ ctime.tv_sec = TIME_FROM_HEADER (header->star_header.ctime);
+ atime.tv_nsec = ctime.tv_nsec = 0;
+ }
+ else
+ atime = ctime = start_time;
+
+ set_stat_atime (&stat_info->stat, atime);
+ set_stat_ctime (&stat_info->stat, ctime);
if (format == V7_FORMAT)
{
- stat_info->st_uid = UID_FROM_HEADER (header->header.uid);
- stat_info->st_gid = GID_FROM_HEADER (header->header.gid);
- stat_info->st_rdev = 0;
+ stat_info->stat.st_uid = UID_FROM_HEADER (header->header.uid);
+ stat_info->stat.st_gid = GID_FROM_HEADER (header->header.gid);
+ stat_info->stat.st_rdev = 0;
}
else
{
if (numeric_owner_option
|| !*header->header.uname
- || !uname_to_uid (header->header.uname, &stat_info->st_uid))
- stat_info->st_uid = UID_FROM_HEADER (header->header.uid);
+ || !uname_to_uid (header->header.uname, &stat_info->stat.st_uid))
+ stat_info->stat.st_uid = UID_FROM_HEADER (header->header.uid);
if (numeric_owner_option
|| !*header->header.gname
- || !gname_to_gid (header->header.gname, &stat_info->st_gid))
- stat_info->st_gid = GID_FROM_HEADER (header->header.gid);
+ || !gname_to_gid (header->header.gname, &stat_info->stat.st_gid))
+ stat_info->stat.st_gid = GID_FROM_HEADER (header->header.gid);
}
+
switch (header->header.typeflag)
{
case BLKTYPE:
- stat_info->st_rdev
- = makedev (MAJOR_FROM_HEADER (header->header.devmajor),
- MINOR_FROM_HEADER (header->header.devminor));
- break;
-
case CHRTYPE:
- stat_info->st_rdev
- = makedev (MAJOR_FROM_HEADER (header->header.devmajor),
- MINOR_FROM_HEADER (header->header.devminor));
+ stat_info->stat.st_rdev =
+ makedev (MAJOR_FROM_HEADER (header->header.devmajor),
+ MINOR_FROM_HEADER (header->header.devminor));
break;
default:
- stat_info->st_rdev = 0;
+ stat_info->stat.st_rdev = 0;
}
}
+
+ stat_info->archive_file_size = stat_info->stat.st_size;
+ xheader_decode (stat_info);
+
+ if (sparse_member_p (stat_info))
+ {
+ sparse_fixup_header (stat_info);
+ stat_info->is_sparse = true;
+ }
+ else
+ stat_info->is_sparse = false;
}
/* Convert buffer at WHERE0 of size DIGS from external format to
- uintmax_t. The data is of type TYPE. The buffer must represent a
- value in the range -MINUS_MINVAL through MAXVAL. DIGS must be
- positive. Return -1 on error, diagnosing the error if TYPE is
- nonzero. */
+ uintmax_t. DIGS must be positive. If TYPE is nonnull, the data
+ are of type TYPE. The buffer must represent a value in the range
+ -MINUS_MINVAL through MAXVAL. If OCTAL_ONLY, allow only octal
+ numbers instead of the other GNU extensions. Return -1 on error,
+ diagnosing the error if TYPE is nonnull and if !SILENT. */
static uintmax_t
from_header (char const *where0, size_t digs, char const *type,
- uintmax_t minus_minval, uintmax_t maxval)
+ uintmax_t minus_minval, uintmax_t maxval,
+ bool octal_only, bool silent)
{
uintmax_t value;
char const *where = where0;
{
if (where == lim)
{
- if (type)
+ if (type && !silent)
ERROR ((0, 0,
+ /* TRANSLATORS: %s is type of the value (gid_t, uid_t, etc.) */
_("Blanks in header where numeric %s value expected"),
type));
return -1;
if (!overflow && value <= minus_minval)
{
- WARN ((0, 0,
- _("Archive octal value %.*s is out of %s range; assuming two's complement"),
- (int) (where - where1), where1, type));
+ if (!silent)
+ WARN ((0, 0,
+ /* TRANSLATORS: Second %s is a type name (gid_t,uid_t,etc.) */
+ _("Archive octal value %.*s is out of %s range; assuming two's complement"),
+ (int) (where - where1), where1, type));
negative = 1;
}
}
if (overflow)
{
- if (type)
+ if (type && !silent)
ERROR ((0, 0,
+ /* TRANSLATORS: Second %s is a type name (gid_t,uid_t,etc.) */
_("Archive octal value %.*s is out of %s range"),
(int) (where - where1), where1, type));
return -1;
}
}
+ else if (octal_only)
+ {
+ /* Suppress the following extensions. */
+ }
else if (*where == '-' || *where == '+')
{
/* Parse base-64 output produced only by tar test versions
1.13.6 (1999-08-11) through 1.13.11 (1999-08-23).
Support for this will be withdrawn in future releases. */
int dig;
- static int warned_once;
- if (! warned_once)
+ if (!silent)
{
- warned_once = 1;
- WARN ((0, 0,
- _("Archive contains obsolescent base-64 headers")));
+ static bool warned_once;
+ if (! warned_once)
+ {
+ warned_once = true;
+ WARN ((0, 0, _("Archive contains obsolescent base-64 headers")));
+ }
}
negative = *where++ == '-';
while (where != lim
char *string = alloca (digs + 1);
memcpy (string, where0, digs);
string[digs] = '\0';
- if (type)
+ if (type && !silent)
ERROR ((0, 0,
_("Archive signed base-64 string %s is out of %s range"),
quote (string), type));
break;
if (((value << LG_256 >> LG_256) | topbits) != value)
{
- if (type)
+ if (type && !silent)
ERROR ((0, 0,
_("Archive base-256 value is out of %s range"),
type));
while (where0 != lim && ! lim[-1])
lim--;
quotearg_buffer (buf, sizeof buf, where0, lim - where, o);
- ERROR ((0, 0,
- _("Archive contains %.*s where numeric %s value expected"),
- (int) sizeof buf, buf, type));
+ if (!silent)
+ ERROR ((0, 0,
+ /* TRANSLATORS: Second %s is a type name (gid_t,uid_t,etc.) */
+ _("Archive contains %.*s where numeric %s value expected"),
+ (int) sizeof buf, buf, type));
}
return -1;
if (value <= (negative ? minus_minval : maxval))
return negative ? -value : value;
- if (type)
+ if (type && !silent)
{
char minval_buf[UINTMAX_STRSIZE_BOUND + 1];
char maxval_buf[UINTMAX_STRSIZE_BOUND];
*--value_string = '-';
if (minus_minval)
*--minval_string = '-';
+ /* TRANSLATORS: Second %s is type name (gid_t,uid_t,etc.) */
ERROR ((0, 0, _("Archive value %s is out of %s range %s..%s"),
value_string, type,
minval_string, STRINGIFY_BIGINT (maxval, maxval_buf)));
{
return from_header (p, s, "gid_t",
- (uintmax_t) TYPE_MINIMUM (gid_t),
- (uintmax_t) TYPE_MAXIMUM (gid_t));
+ (uintmax_t) TYPE_MAXIMUM (gid_t),
+ false, false);
}
major_t
{
return from_header (p, s, "major_t",
- (uintmax_t) TYPE_MINIMUM (major_t),
- (uintmax_t) TYPE_MAXIMUM (major_t));
+ (uintmax_t) TYPE_MAXIMUM (major_t), false, false);
}
minor_t
{
return from_header (p, s, "minor_t",
- (uintmax_t) TYPE_MINIMUM (minor_t),
- (uintmax_t) TYPE_MAXIMUM (minor_t));
+ (uintmax_t) TYPE_MAXIMUM (minor_t), false, false);
}
mode_t
/* Do not complain about unrecognized mode bits. */
unsigned u = from_header (p, s, "mode_t",
- (uintmax_t) TYPE_MINIMUM (mode_t),
- TYPE_MAXIMUM (uintmax_t));
+ TYPE_MAXIMUM (uintmax_t), false, false);
return ((u & TSUID ? S_ISUID : 0)
| (u & TSGID ? S_ISGID : 0)
| (u & TSVTX ? S_ISVTX : 0)
/* Negative offsets are not allowed in tar files, so invoke
from_header with minimum value 0, not TYPE_MINIMUM (off_t). */
return from_header (p, s, "off_t", (uintmax_t) 0,
- (uintmax_t) TYPE_MAXIMUM (off_t));
+ (uintmax_t) TYPE_MAXIMUM (off_t), false, false);
}
size_t
size_from_header (const char *p, size_t s)
{
- return from_header (p, s, "size_t", (uintmax_t) 0,
- (uintmax_t) TYPE_MAXIMUM (size_t));
+ return from_header (p, s, "size_t", (uintmax_t) 0,
+ (uintmax_t) TYPE_MAXIMUM (size_t), false, false);
}
time_t
{
return from_header (p, s, "time_t",
- (uintmax_t) TYPE_MINIMUM (time_t),
- (uintmax_t) TYPE_MAXIMUM (time_t));
+ (uintmax_t) TYPE_MAXIMUM (time_t), false, false);
}
uid_t
{
return from_header (p, s, "uid_t",
- (uintmax_t) TYPE_MINIMUM (uid_t),
- (uintmax_t) TYPE_MAXIMUM (uid_t));
+ (uintmax_t) TYPE_MAXIMUM (uid_t), false, false);
}
uintmax_t
uintmax_from_header (const char *p, size_t s)
{
return from_header (p, s, "uintmax_t", (uintmax_t) 0,
- TYPE_MAXIMUM (uintmax_t));
+ TYPE_MAXIMUM (uintmax_t), false, false);
}
-/* Format O as a null-terminated decimal string into BUF _backwards_;
- return pointer to start of result. */
-char *
-stringify_uintmax_t_backwards (uintmax_t o, char *buf)
-{
- *--buf = '\0';
- do
- *--buf = '0' + (int) (o % 10);
- while ((o /= 10) != 0);
- return buf;
-}
-
/* Return a printable representation of T. The result points to
static storage that can be reused in the next call to this
- function, to ctime, or to asctime. */
+ function, to ctime, or to asctime. If FULL_TIME, then output the
+ time stamp to its full resolution; otherwise, just output it to
+ 1-minute resolution. */
char const *
-tartime (time_t t)
+tartime (struct timespec t, bool full_time)
{
+ enum { fraclen = sizeof ".FFFFFFFFF" - 1 };
static char buffer[max (UINTMAX_STRSIZE_BOUND + 1,
- INT_STRLEN_BOUND (int) + 16)];
+ INT_STRLEN_BOUND (int) + 16)
+ + fraclen];
+ struct tm *tm;
+ time_t s = t.tv_sec;
+ int ns = t.tv_nsec;
+ bool negative = s < 0;
char *p;
-#if USE_OLD_CTIME
- p = ctime (&t);
- if (p)
+ if (negative && ns != 0)
{
- char const *time_stamp = p + 4;
- for (p += 16; p[3] != '\n'; p++)
- p[0] = p[3];
- p[0] = '\0';
- return time_stamp;
+ s++;
+ ns = 1000000000 - ns;
}
-#else
- /* Use ISO 8610 format. See:
- http://www.cl.cam.ac.uk/~mgk25/iso-time.html */
- struct tm *tm = localtime (&t);
+
+ tm = utc_option ? gmtime (&s) : localtime (&s);
if (tm)
{
- sprintf (buffer, "%04d-%02d-%02d %02d:%02d:%02d",
- tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
+ if (full_time)
+ {
+ sprintf (buffer, "%04ld-%02d-%02d %02d:%02d:%02d",
+ tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday,
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
+ code_ns_fraction (ns, buffer + strlen (buffer));
+ }
+ else
+ sprintf (buffer, "%04ld-%02d-%02d %02d:%02d",
+ tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday,
+ tm->tm_hour, tm->tm_min);
return buffer;
}
-#endif
/* The time stamp cannot be broken down, most likely because it
is out of range. Convert it as an integer,
right-adjusted in a field with the same width as the usual
- 19-byte 4-year ISO time format. */
- p = stringify_uintmax_t_backwards (t < 0 ? - (uintmax_t) t : (uintmax_t) t,
- buffer + sizeof buffer);
- if (t < 0)
+ 4-year ISO time format. */
+ p = umaxtostr (negative ? - (uintmax_t) s : s,
+ buffer + sizeof buffer - UINTMAX_STRSIZE_BOUND - fraclen);
+ if (negative)
*--p = '-';
- while (buffer + sizeof buffer - 19 - 1 < p)
+ while ((buffer + sizeof buffer - sizeof "YYYY-MM-DD HH:MM"
+ + (full_time ? sizeof ":SS.FFFFFFFFF" - 1 : 0))
+ < p)
*--p = ' ';
+ if (full_time)
+ code_ns_fraction (ns, buffer + sizeof buffer - 1 - fraclen);
return p;
}
/* FIXME: Note that print_header uses the globals HEAD, HSTAT, and
- HEAD_STANDARD, which must be set up in advance. Not very clean... */
+ HEAD_STANDARD, which must be set up in advance. Not very clean.. */
-/* UGSWIDTH starts with 18, so with user and group names <= 8 chars, the
- columns never shift during the listing. */
-#define UGSWIDTH 18
-static int ugswidth = UGSWIDTH; /* maximum width encountered so far */
+/* Width of "user/group size", with initial value chosen
+ heuristically. This grows as needed, though this may cause some
+ stairstepping in the output. Make it too small and the output will
+ almost always look ragged. Make it too large and the output will
+ be spaced out too far. */
+static int ugswidth = 19;
-/* DATEWIDTH is the number of columns taken by the date and time fields. */
-#if USE_OLD_CDATE
-# define DATEWIDTH 19
-#else
-# define DATEWIDTH 18
-#endif
+/* Width of printed time stamps. It grows if longer time stamps are
+ found (typically, those with nanosecond resolution). Like
+ USGWIDTH, some stairstepping may occur. */
+static int datewidth = sizeof "YYYY-MM-DD HH:MM" - 1;
void
-print_header (void)
+print_header (struct tar_stat_info *st, off_t block_ordinal)
{
char modes[11];
char const *time_stamp;
+ int time_stamp_len;
+ char *temp_name = st->orig_file_name ? st->orig_file_name : st->file_name;
+
/* These hold formatted ints. */
char uform[UINTMAX_STRSIZE_BOUND], gform[UINTMAX_STRSIZE_BOUND];
char *user, *group;
/* holds formatted size or major,minor */
char uintbuf[UINTMAX_STRSIZE_BOUND];
int pad;
+ int sizelen;
if (block_number_option)
{
char buf[UINTMAX_STRSIZE_BOUND];
+ if (block_ordinal < 0)
+ block_ordinal = current_block_ordinal ();
+ block_ordinal -= recent_long_name_blocks;
+ block_ordinal -= recent_long_link_blocks;
fprintf (stdlis, _("block %s: "),
- STRINGIFY_BIGINT (current_block_ordinal (), buf));
+ STRINGIFY_BIGINT (block_ordinal, buf));
}
if (verbose_option <= 1)
{
/* Just the fax, mam. */
- fprintf (stdlis, "%s\n", quotearg (current_file_name));
+ fprintf (stdlis, "%s\n", quotearg (temp_name));
}
else
{
case GNUTYPE_LONGNAME:
case GNUTYPE_LONGLINK:
- ERROR ((0, 0, _("Visible longname error")));
+ modes[0] = 'L';
+ ERROR ((0, 0, _("Unexpected long name header")));
break;
case GNUTYPE_SPARSE:
case REGTYPE:
case AREGTYPE:
- case LNKTYPE:
modes[0] = '-';
- if (current_file_name[strlen (current_file_name) - 1] == '/')
+ if (temp_name[strlen (temp_name) - 1] == '/')
modes[0] = 'd';
break;
+ case LNKTYPE:
+ modes[0] = 'h';
+ break;
case GNUTYPE_DUMPDIR:
modes[0] = 'd';
break;
break;
}
- decode_mode (current_stat.st_mode, modes + 1);
+ pax_decode_mode (st->stat.st_mode, modes + 1);
/* Time stamp. */
- time_stamp = tartime (current_stat.st_mtime);
+ time_stamp = tartime (get_stat_mtime (&st->stat), false);
+ time_stamp_len = strlen (time_stamp);
+ if (datewidth < time_stamp_len)
+ datewidth = time_stamp_len;
/* User and group names. */
- if (*current_header->header.uname && current_format != V7_FORMAT
+ if (st->uname
+ && st->uname[0]
+ && current_format != V7_FORMAT
&& !numeric_owner_option)
- user = current_header->header.uname;
+ user = st->uname;
else
{
/* Try parsing it as an unsigned integer first, and as a
uintmax_t u = from_header (current_header->header.uid,
sizeof current_header->header.uid, 0,
(uintmax_t) 0,
- (uintmax_t) TYPE_MAXIMUM (uintmax_t));
+ (uintmax_t) TYPE_MAXIMUM (uintmax_t),
+ false, false);
if (u != -1)
user = STRINGIFY_BIGINT (u, uform);
else
}
}
- if (*current_header->header.gname && current_format != V7_FORMAT
+ if (st->gname
+ && st->gname[0]
+ && current_format != V7_FORMAT
&& !numeric_owner_option)
- group = current_header->header.gname;
+ group = st->gname;
else
{
/* Try parsing it as an unsigned integer first, and as a
uintmax_t g = from_header (current_header->header.gid,
sizeof current_header->header.gid, 0,
(uintmax_t) 0,
- (uintmax_t) TYPE_MAXIMUM (uintmax_t));
+ (uintmax_t) TYPE_MAXIMUM (uintmax_t),
+ false, false);
if (g != -1)
group = STRINGIFY_BIGINT (g, gform);
else
case CHRTYPE:
case BLKTYPE:
strcpy (size,
- STRINGIFY_BIGINT (major (current_stat.st_rdev), uintbuf));
+ STRINGIFY_BIGINT (major (st->stat.st_rdev), uintbuf));
strcat (size, ",");
strcat (size,
- STRINGIFY_BIGINT (minor (current_stat.st_rdev), uintbuf));
- break;
- case GNUTYPE_SPARSE:
- strcpy (size,
- STRINGIFY_BIGINT
- (UINTMAX_FROM_HEADER (current_header
- ->oldgnu_header.realsize),
- uintbuf));
+ STRINGIFY_BIGINT (minor (st->stat.st_rdev), uintbuf));
break;
+
default:
- strcpy (size, STRINGIFY_BIGINT (current_stat.st_size, uintbuf));
+ /* st->stat.st_size keeps stored file size */
+ strcpy (size, STRINGIFY_BIGINT (st->stat.st_size, uintbuf));
break;
}
/* Figure out padding and print the whole line. */
- pad = strlen (user) + strlen (group) + strlen (size) + 1;
+ sizelen = strlen (size);
+ pad = strlen (user) + 1 + strlen (group) + 1 + sizelen;
if (pad > ugswidth)
ugswidth = pad;
- fprintf (stdlis, "%s %s/%s %*s%s %s",
- modes, user, group, ugswidth - pad, "", size, time_stamp);
+ fprintf (stdlis, "%s %s/%s %*s %-*s",
+ modes, user, group, ugswidth - pad + sizelen, size,
+ datewidth, time_stamp);
- fprintf (stdlis, " %s", quotearg (current_file_name));
+ fprintf (stdlis, " %s", quotearg (temp_name));
switch (current_header->header.typeflag)
{
case SYMTYPE:
- fprintf (stdlis, " -> %s\n", quotearg (current_link_name));
+ fprintf (stdlis, " -> %s\n", quotearg (st->link_name));
break;
case LNKTYPE:
- fprintf (stdlis, _(" link to %s\n"), quotearg (current_link_name));
+ fprintf (stdlis, _(" link to %s\n"), quotearg (st->link_name));
break;
default:
putc ('\n', stdlis);
break;
+ case GNUTYPE_LONGLINK:
+ fprintf (stdlis, _("--Long Link--\n"));
+ break;
+
+ case GNUTYPE_LONGNAME:
+ fprintf (stdlis, _("--Long Name--\n"));
+ break;
+
case GNUTYPE_VOLHDR:
fprintf (stdlis, _("--Volume Header--\n"));
break;
/* Print a similar line when we make a directory automatically. */
void
-print_for_mkdir (char *pathname, int length, mode_t mode)
+print_for_mkdir (char *dirname, int length, mode_t mode)
{
char modes[11];
/* File type and modes. */
modes[0] = 'd';
- decode_mode (mode, modes + 1);
+ pax_decode_mode (mode, modes + 1);
if (block_number_option)
{
STRINGIFY_BIGINT (current_block_ordinal (), buf));
}
- fprintf (stdlis, "%s %*s %.*s\n", modes, ugswidth + DATEWIDTH,
- _("Creating directory:"), length, quotearg (pathname));
+ fprintf (stdlis, "%s %*s %.*s\n", modes, ugswidth + 1 + datewidth,
+ _("Creating directory:"), length, quotearg (dirname));
}
}
save_sizeleft = size;
}
+ if (seekable_archive)
+ {
+ off_t nblk = seek_archive (size);
+ if (nblk >= 0)
+ {
+ size -= nblk * BLOCKSIZE;
+ if (multi_volume_option) /* Argh.. */
+ save_sizeleft -= nblk * BLOCKSIZE;
+ }
+ else
+ seekable_archive = false;
+ }
+
while (size > 0)
{
x = find_next_block ();
}
}
-/* Skip the current member in the archive. */
+/* Skip the current member in the archive.
+ NOTE: Current header must be decoded before calling this function. */
void
skip_member (void)
{
char save_typeflag = current_header->header.typeflag;
set_next_block_after (current_header);
- if (current_header->oldgnu_header.isextended)
- {
- union block *exhdr;
- do
- {
- exhdr = find_next_block ();
- if (!exhdr)
- FATAL_ERROR ((0, 0, _("Unexpected EOF in archive")));
- set_next_block_after (exhdr);
- }
- while (exhdr->sparse_header.isextended);
- }
+ assign_string (&save_name, current_stat_info.orig_file_name);
- if (save_typeflag != DIRTYPE)
- skip_file (current_stat.st_size);
+ if (current_stat_info.is_sparse)
+ sparse_skip_file (¤t_stat_info);
+ else if (save_typeflag != DIRTYPE)
+ skip_file (current_stat_info.stat.st_size);
}
projects / chaz / tar / blobdiff