/* List a tar archive, with support routines for reading a tar archive.
- Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1998, 1999, 2000,
- 2001, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright 1988, 1992-1994, 1996-2001, 2003-2007, 2010, 2012-2014 Free
+ Software Foundation, Inc.
- Written by John Gilmore, on 1985-08-26.
+ This file is part of GNU tar.
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any later
- version.
+ GNU tar is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- Public License for more details.
+ GNU tar is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- 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.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ Written by John Gilmore, on 1985-08-26. */
#include <system.h>
#include <inttostr.h>
#include "common.h"
-#define max(a, b) ((a) < (b) ? (b) : (a))
-
union block *current_header; /* points to current archive header */
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 (const char *, size_t, const char *,
- uintmax_t, uintmax_t, bool, bool);
+static union block *recent_global_header; /* Recent global header block */
+
+#define GID_FROM_HEADER(where) gid_from_header (where, sizeof (where))
+#define MAJOR_FROM_HEADER(where) major_from_header (where, sizeof (where))
+#define MINOR_FROM_HEADER(where) minor_from_header (where, sizeof (where))
+#define MODE_FROM_HEADER(where, hbits) \
+ mode_from_header (where, sizeof (where), hbits)
+#define TIME_FROM_HEADER(where) time_from_header (where, sizeof (where))
+#define UID_FROM_HEADER(where) uid_from_header (where, sizeof (where))
+
+static gid_t gid_from_header (const char *buf, size_t size);
+static major_t major_from_header (const char *buf, size_t size);
+static minor_t minor_from_header (const char *buf, size_t size);
+static mode_t mode_from_header (const char *buf, size_t size, bool *hbits);
+static time_t time_from_header (const char *buf, size_t size);
+static uid_t uid_from_header (const char *buf, size_t size);
+static intmax_t from_header (const char *, size_t, const char *,
+ intmax_t, uintmax_t, bool, bool);
/* Base 64 digits; see Internet RFC 2045 Table 1. */
static char const base_64_digits[64] =
base64_map[(int) base_64_digits[i]] = i;
}
+static char *
+decode_xform (char *file_name, void *data)
+{
+ int type = *(int*)data;
+
+ switch (type)
+ {
+ case XFORM_SYMLINK:
+ /* FIXME: It is not quite clear how and to which extent are the symbolic
+ links subject to filename transformation. In the absence of another
+ solution, symbolic links are exempt from component stripping and
+ name suffix normalization, but subject to filename transformation
+ proper. */
+ return file_name;
+
+ case XFORM_LINK:
+ file_name = safer_name_suffix (file_name, true, absolute_names_option);
+ break;
+
+ case XFORM_REGFILE:
+ file_name = safer_name_suffix (file_name, false, absolute_names_option);
+ break;
+ }
+
+ if (strip_name_components)
+ {
+ size_t prefix_len = stripped_prefix_len (file_name,
+ strip_name_components);
+ if (prefix_len == (size_t) -1)
+ prefix_len = strlen (file_name);
+ file_name += prefix_len;
+ }
+ return file_name;
+}
+
+static bool
+transform_member_name (char **pinput, int type)
+{
+ return transform_name_fp (pinput, type, decode_xform, &type);
+}
+
+static void
+enforce_one_top_level (char **pfile_name)
+{
+ char *file_name = *pfile_name;
+ char *p;
+
+ for (p = file_name; *p && (ISSLASH (*p) || *p == '.'); p++)
+ ;
+
+ if (!*p)
+ return;
+
+ if (strncmp (p, one_top_level_dir, strlen (one_top_level_dir)) == 0)
+ {
+ int pos = strlen (one_top_level_dir);
+ if (ISSLASH (p[pos]) || p[pos] == 0)
+ return;
+ }
+
+ *pfile_name = new_name (one_top_level_dir, file_name);
+ normalize_filename_x (*pfile_name);
+ free (file_name);
+}
+
+void
+transform_stat_info (int typeflag, struct tar_stat_info *stat_info)
+{
+ if (typeflag == GNUTYPE_VOLHDR)
+ /* Name transformations don't apply to volume headers. */
+ return;
+
+ transform_member_name (&stat_info->file_name, XFORM_REGFILE);
+ switch (typeflag)
+ {
+ case SYMTYPE:
+ transform_member_name (&stat_info->link_name, XFORM_SYMLINK);
+ break;
+
+ case LNKTYPE:
+ transform_member_name (&stat_info->link_name, XFORM_LINK);
+ }
+
+ if (one_top_level_option)
+ enforce_one_top_level (¤t_stat_info.file_name);
+}
+
/* Main loop for reading an archive. */
void
read_and (void (*do_something) (void))
prev_status = status;
tar_stat_destroy (¤t_stat_info);
- status = read_header (false);
+ status = read_header (¤t_header, ¤t_stat_info,
+ read_header_auto);
switch (status)
{
case HEADER_STILL_UNREAD:
/* Valid header. We should decode next field (mode) first.
Ensure incoming names are null terminated. */
-
+ decode_header (current_header, ¤t_stat_info,
+ ¤t_format, 1);
if (! name_match (current_stat_info.file_name)
|| (NEWER_OPTION_INITIALIZED (newer_mtime_option)
/* FIXME: We get mtime now, and again later; this causes
quotearg_colon (current_stat_info.file_name)));
/* Fall through. */
default:
- decode_header (current_header,
- ¤t_stat_info, ¤t_format, 0);
skip_member ();
continue;
}
}
+ transform_stat_info (current_header->header.typeflag,
+ ¤t_stat_info);
(*do_something) ();
continue;
{
char buf[UINTMAX_STRSIZE_BOUND];
- status = read_header (false);
+ status = read_header (¤t_header, ¤t_stat_info,
+ read_header_auto);
if (status == HEADER_ZERO_BLOCK)
break;
- WARN ((0, 0, _("A lone zero block at %s"),
- STRINGIFY_BIGINT (current_block_ordinal (), buf)));
+ WARNOPT (WARN_ALONE_ZERO_BLOCK,
+ (0, 0, _("A lone zero block at %s"),
+ STRINGIFY_BIGINT (current_block_ordinal (), buf)));
break;
}
status = prev_status;
list_archive (void)
{
off_t block_ordinal = current_block_ordinal ();
- /* Print the header block. */
- decode_header (current_header, ¤t_stat_info, ¤t_format, 0);
+ /* Print the header block. */
if (verbose_option)
- print_header (¤t_stat_info, block_ordinal);
+ print_header (¤t_stat_info, current_header, block_ordinal);
if (incremental_option)
{
int unsigned_sum = 0; /* the POSIX one :-) */
int signed_sum = 0; /* the Sun one :-( */
int recorded_sum;
- uintmax_t parsed_sum;
+ int parsed_sum;
char *p;
p = header->buffer;
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)
+ 0, INT_MAX, true, silent);
+ if (parsed_sum < 0)
return HEADER_FAILURE;
recorded_sum = parsed_sum;
}
/* 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
- and names (file name, link name) in *info.
+ address in *RETURN_BLOCK, and if it is good, the file's size
+ and names (file name, link name) in *INFO.
+
+ Return one of enum read_header describing the status of the
+ operation.
- Return 1 for success, 0 if the checksum is bad, EOF on eof, 2 for a
- block full of zeros (EOF marker).
+ The MODE parameter instructs read_header what to do with special
+ header blocks, i.e.: extended POSIX, GNU long name or long link,
+ etc.:
- If RAW_EXTENDED_HEADERS is nonzero, do not automagically fold the
- GNU long name and link headers into later headers.
+ read_header_auto process them automatically,
+ read_header_x_raw when a special header is read, return
+ HEADER_SUCCESS_EXTENDED without actually
+ processing the header,
+ read_header_x_global when a POSIX global header is read,
+ decode it and return HEADER_SUCCESS_EXTENDED.
- You must always set_next_block_after(current_header) to skip past
+ You must always set_next_block_after(*return_block) to skip past
the header which this routine reads. */
enum read_header
-read_header_primitive (bool raw_extended_headers, struct tar_stat_info *info)
+read_header (union block **return_block, struct tar_stat_info *info,
+ enum read_header_mode mode)
{
union block *header;
union block *header_copy;
size_t size, written;
union block *next_long_name = 0;
union block *next_long_link = 0;
- size_t next_long_name_blocks;
- size_t next_long_link_blocks;
+ size_t next_long_name_blocks = 0;
+ size_t next_long_link_blocks = 0;
while (1)
{
enum read_header status;
header = find_next_block ();
- current_header = header;
+ *return_block = header;
if (!header)
return HEADER_END_OF_FILE;
if (header->header.typeflag == LNKTYPE)
info->stat.st_size = 0; /* links 0 size on tape */
else
- info->stat.st_size = OFF_FROM_HEADER (header->header.size);
+ {
+ info->stat.st_size = OFF_FROM_HEADER (header->header.size);
+ if (info->stat.st_size < 0)
+ return HEADER_FAILURE;
+ }
if (header->header.typeflag == GNUTYPE_LONGNAME
|| header->header.typeflag == GNUTYPE_LONGLINK
|| header->header.typeflag == XGLTYPE
|| header->header.typeflag == SOLARIS_XHDTYPE)
{
- if (raw_extended_headers)
+ if (mode == read_header_x_raw)
return HEADER_SUCCESS_EXTENDED;
else if (header->header.typeflag == GNUTYPE_LONGNAME
|| header->header.typeflag == GNUTYPE_LONGLINK)
if (header->header.typeflag == GNUTYPE_LONGNAME)
{
- if (next_long_name)
- free (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);
+ free (next_long_link);
next_long_link = header_copy;
next_long_link_blocks = size / BLOCKSIZE;
}
else if (header->header.typeflag == XGLTYPE)
{
struct xheader xhdr;
+
+ if (!recent_global_header)
+ recent_global_header = xmalloc (sizeof *recent_global_header);
+ memcpy (recent_global_header, header,
+ sizeof *recent_global_header);
memset (&xhdr, 0, sizeof xhdr);
xheader_read (&xhdr, header,
OFF_FROM_HEADER (header->header.size));
xheader_decode_global (&xhdr);
xheader_destroy (&xhdr);
+ if (mode == read_header_x_global)
+ return HEADER_SUCCESS_EXTENDED;
}
/* Loop! */
else
{
char const *name;
- struct posix_header const *h = ¤t_header->header;
+ struct posix_header const *h = &header->header;
char namebuf[sizeof h->prefix + 1 + NAME_FIELD_SIZE + 1];
- if (recent_long_name)
- free (recent_long_name);
+ free (recent_long_name);
if (next_long_name)
{
assign_string (&info->file_name, name);
info->had_trailing_slash = strip_trailing_slashes (info->file_name);
- if (recent_long_link)
- free (recent_long_link);
+ free (recent_long_link);
if (next_long_link)
{
}
}
-enum read_header
-read_header (bool raw_extended_headers)
-{
- return read_header_primitive (raw_extended_headers, ¤t_stat_info);
-}
-
-static char *
-decode_xform (char *file_name, void *data)
-{
- xform_type type = *(xform_type*)data;
-
- switch (type)
- {
- case xform_symlink:
- /* FIXME: It is not quite clear how and to which extent are the symbolic
- links subject to filename transformation. In the absence of another
- solution, symbolic links are exempt from component stripping and
- name suffix normalization, but subject to filename transformation
- proper. */
- return file_name;
-
- case xform_link:
- file_name = safer_name_suffix (file_name, true, absolute_names_option);
- break;
-
- case xform_regfile:
- file_name = safer_name_suffix (file_name, false, absolute_names_option);
- break;
- }
-
- if (strip_name_components)
- {
- size_t prefix_len = stripped_prefix_len (file_name,
- strip_name_components);
- if (prefix_len == (size_t) -1)
- prefix_len = strlen (file_name);
- file_name += prefix_len;
- }
- return file_name;
-}
-
-bool
-transform_member_name (char **pinput, xform_type type)
-{
- return transform_name_fp (pinput, decode_xform, &type);
-}
-
#define ISOCTAL(c) ((c)>='0'&&(c)<='7')
/* Decode things from a file HEADER block into STAT_INFO, also setting
enum archive_format *format_pointer, int do_user_group)
{
enum archive_format format;
+ bool hbits;
+ mode_t mode = MODE_FROM_HEADER (header->header.mode, &hbits);
if (strcmp (header->header.magic, TMAGIC) == 0)
{
else
format = USTAR_FORMAT;
}
- else if (strcmp (header->header.magic, OLDGNU_MAGIC) == 0)
- format = OLDGNU_FORMAT;
+ else if (strcmp (header->buffer + offsetof (struct posix_header, magic),
+ OLDGNU_MAGIC)
+ == 0)
+ format = hbits ? OLDGNU_FORMAT : GNU_FORMAT;
else
format = V7_FORMAT;
*format_pointer = format;
- stat_info->stat.st_mode = MODE_FROM_HEADER (header->header.mode);
+ stat_info->stat.st_mode = mode;
stat_info->mtime.tv_sec = TIME_FROM_HEADER (header->header.mtime);
stat_info->mtime.tv_nsec = 0;
assign_string (&stat_info->uname,
assign_string (&stat_info->gname,
header->header.gname[0] ? header->header.gname : NULL);
+ xheader_xattr_init (stat_info);
+
if (format == OLDGNU_FORMAT && incremental_option)
{
stat_info->atime.tv_sec = TIME_FROM_HEADER (header->oldgnu_header.atime);
|| stat_info->dumpdir)
stat_info->is_dumpdir = true;
}
-
- transform_member_name (&stat_info->file_name, xform_regfile);
}
+
/* Convert buffer at WHERE0 of size DIGS from external format to
- 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
+ intmax_t. DIGS must be positive. If TYPE is nonnull, the data are
+ of type TYPE. The buffer must represent a value in the range
+ MINVAL through MAXVAL; if the mathematically correct result V would
+ be greater than INTMAX_MAX, return a negative integer V such that
+ (uintmax_t) V yields the correct result. 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
+#if ! (INTMAX_MAX <= UINTMAX_MAX && - (INTMAX_MIN + 1) <= UINTMAX_MAX)
+# error "from_header internally represents intmax_t as uintmax_t + sign"
+#endif
+#if ! (UINTMAX_MAX / 2 <= INTMAX_MAX)
+# error "from_header returns intmax_t to represent uintmax_t"
+#endif
+static intmax_t
from_header (char const *where0, size_t digs, char const *type,
- uintmax_t minus_minval, uintmax_t maxval,
+ intmax_t minval, uintmax_t maxval,
bool octal_only, bool silent)
{
uintmax_t value;
+ uintmax_t uminval = minval;
+ uintmax_t minus_minval = - uminval;
char const *where = where0;
char const *lim = where + digs;
- int negative = 0;
+ bool negative = false;
/* Accommodate buggy tar of unknown vintage, which outputs leading
NUL if the previous field overflows. */
{
if (type && !silent)
ERROR ((0, 0,
- /* TRANSLATORS: %s is type of the value (gid_t, uid_t, etc.) */
+ /* TRANSLATORS: %s is type of the value (gid_t, uid_t,
+ etc.) */
_("Blanks in header where numeric %s value expected"),
type));
return -1;
}
- if (!ISSPACE ((unsigned char) *where))
+ if (!isspace ((unsigned char) *where))
break;
where++;
}
if (ISODIGIT (*where))
{
char const *where1 = where;
- uintmax_t overflow = 0;
+ bool overflow = false;
for (;;)
{
value += *where++ - '0';
if (where == lim || ! ISODIGIT (*where))
break;
- overflow |= value ^ (value << LG_8 >> LG_8);
+ overflow |= value != (value << LG_8 >> LG_8);
value <<= LG_8;
}
if (where == lim || ! ISODIGIT (*where))
break;
digit = *where - '0';
- overflow |= value ^ (value << LG_8 >> LG_8);
+ overflow |= value != (value << LG_8 >> LG_8);
value <<= LG_8;
}
value++;
/* 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;
+ negative = true;
}
}
return -1;
}
}
- negative = signbit;
+ negative = signbit != 0;
if (negative)
value = -value;
}
- if (where != lim && *where && !ISSPACE ((unsigned char) *where))
+ if (where != lim && *where && !isspace ((unsigned char) *where))
{
if (type)
{
while (where0 != lim && ! lim[-1])
lim--;
- quotearg_buffer (buf, sizeof buf, where0, lim - where, o);
+ quotearg_buffer (buf, sizeof buf, where0, lim - where0, o);
if (!silent)
ERROR ((0, 0,
/* TRANSLATORS: Second %s is a type name (gid_t,uid_t,etc.) */
}
if (value <= (negative ? minus_minval : maxval))
- return negative ? -value : value;
+ return represent_uintmax (negative ? -value : value);
if (type && !silent)
{
return -1;
}
-gid_t
+static gid_t
gid_from_header (const char *p, size_t s)
{
return from_header (p, s, "gid_t",
- - (uintmax_t) TYPE_MINIMUM (gid_t),
- (uintmax_t) TYPE_MAXIMUM (gid_t),
+ TYPE_MINIMUM (gid_t), TYPE_MAXIMUM (gid_t),
false, false);
}
-major_t
+static major_t
major_from_header (const char *p, size_t s)
{
return from_header (p, s, "major_t",
- - (uintmax_t) TYPE_MINIMUM (major_t),
- (uintmax_t) TYPE_MAXIMUM (major_t), false, false);
+ TYPE_MINIMUM (major_t), TYPE_MAXIMUM (major_t),
+ false, false);
}
-minor_t
+static minor_t
minor_from_header (const char *p, size_t s)
{
return from_header (p, s, "minor_t",
- - (uintmax_t) TYPE_MINIMUM (minor_t),
- (uintmax_t) TYPE_MAXIMUM (minor_t), false, false);
+ TYPE_MINIMUM (minor_t), TYPE_MAXIMUM (minor_t),
+ false, false);
}
-mode_t
-mode_from_header (const char *p, size_t s)
+/* Convert P to the file mode, as understood by tar.
+ Set *HBITS if there are any unrecognized bits. */
+static mode_t
+mode_from_header (const char *p, size_t s, bool *hbits)
{
- /* 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), false, false);
- return ((u & TSUID ? S_ISUID : 0)
- | (u & TSGID ? S_ISGID : 0)
- | (u & TSVTX ? S_ISVTX : 0)
- | (u & TUREAD ? S_IRUSR : 0)
- | (u & TUWRITE ? S_IWUSR : 0)
- | (u & TUEXEC ? S_IXUSR : 0)
- | (u & TGREAD ? S_IRGRP : 0)
- | (u & TGWRITE ? S_IWGRP : 0)
- | (u & TGEXEC ? S_IXGRP : 0)
- | (u & TOREAD ? S_IROTH : 0)
- | (u & TOWRITE ? S_IWOTH : 0)
- | (u & TOEXEC ? S_IXOTH : 0));
+ intmax_t u = from_header (p, s, "mode_t",
+ INTMAX_MIN, UINTMAX_MAX,
+ false, false);
+ mode_t mode = ((u & TSUID ? S_ISUID : 0)
+ | (u & TSGID ? S_ISGID : 0)
+ | (u & TSVTX ? S_ISVTX : 0)
+ | (u & TUREAD ? S_IRUSR : 0)
+ | (u & TUWRITE ? S_IWUSR : 0)
+ | (u & TUEXEC ? S_IXUSR : 0)
+ | (u & TGREAD ? S_IRGRP : 0)
+ | (u & TGWRITE ? S_IWGRP : 0)
+ | (u & TGEXEC ? S_IXGRP : 0)
+ | (u & TOREAD ? S_IROTH : 0)
+ | (u & TOWRITE ? S_IWOTH : 0)
+ | (u & TOEXEC ? S_IXOTH : 0));
+ *hbits = (u & ~07777) != 0;
+ return mode;
}
off_t
{
/* 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), 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), false, false);
+ return from_header (p, s, "off_t",
+ 0, TYPE_MAXIMUM (off_t),
+ false, false);
}
-time_t
+static time_t
time_from_header (const char *p, size_t s)
{
return from_header (p, s, "time_t",
- - (uintmax_t) TYPE_MINIMUM (time_t),
- (uintmax_t) TYPE_MAXIMUM (time_t), false, false);
+ TYPE_MINIMUM (time_t), TYPE_MAXIMUM (time_t),
+ false, false);
}
-uid_t
+static uid_t
uid_from_header (const char *p, size_t s)
{
return from_header (p, s, "uid_t",
- - (uintmax_t) TYPE_MINIMUM (uid_t),
- (uintmax_t) TYPE_MAXIMUM (uid_t), false, false);
+ TYPE_MINIMUM (uid_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), false, false);
+ return from_header (p, s, "uintmax_t", 0, UINTMAX_MAX, false, false);
}
they shouldn't. Unix tar is pretty random here anyway. */
-/* FIXME: Note that print_header uses the globals HEAD, HSTAT, and
- HEAD_STANDARD, which must be set up in advance. Not very clean.. */
-
/* 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
USGWIDTH, some stairstepping may occur. */
static int datewidth = sizeof "YYYY-MM-DD HH:MM" - 1;
-void
-print_header (struct tar_stat_info *st, off_t block_ordinal)
+static bool volume_label_printed = false;
+
+static void
+simple_print_header (struct tar_stat_info *st, union block *blk,
+ off_t block_ordinal)
{
- char modes[11];
+ char modes[12];
char const *time_stamp;
int time_stamp_len;
char *temp_name;
/* These hold formatted ints. */
- char uform[UINTMAX_STRSIZE_BOUND], gform[UINTMAX_STRSIZE_BOUND];
+ char uform[max (INT_BUFSIZE_BOUND (intmax_t), UINTMAX_STRSIZE_BOUND)];
+ char gform[sizeof uform];
char *user, *group;
char size[2 * UINTMAX_STRSIZE_BOUND];
/* holds formatted size or major,minor */
int pad;
int sizelen;
- if (test_label_option && current_header->header.typeflag != GNUTYPE_VOLHDR)
- return;
-
if (show_transformed_names_option)
temp_name = st->file_name ? st->file_name : st->orig_file_name;
else
if (verbose_option <= 1)
{
/* Just the fax, mam. */
- fprintf (stdlis, "%s\n", quotearg (temp_name));
+ fputs (quotearg (temp_name), stdlis);
+ if (show_transformed_names_option && st->had_trailing_slash)
+ fputc ('/', stdlis);
+ fputc ('\n', stdlis);
}
else
{
/* File type and modes. */
modes[0] = '?';
- switch (current_header->header.typeflag)
+ switch (blk->header.typeflag)
{
case GNUTYPE_VOLHDR:
+ volume_label_printed = true;
modes[0] = 'V';
break;
case GNUTYPE_SPARSE:
case REGTYPE:
case AREGTYPE:
- modes[0] = '-';
- if (temp_name[strlen (temp_name) - 1] == '/')
- modes[0] = 'd';
+ modes[0] = st->had_trailing_slash ? 'd' : '-';
break;
case LNKTYPE:
modes[0] = 'h';
pax_decode_mode (st->stat.st_mode, modes + 1);
+ /* extended attributes: GNU `ls -l'-like preview */
+ xattrs_print_char (st, modes + 10);
+
/* Time stamp. */
- time_stamp = tartime (st->mtime, false);
+ time_stamp = tartime (st->mtime, full_time_option);
time_stamp_len = strlen (time_stamp);
if (datewidth < time_stamp_len)
datewidth = time_stamp_len;
/* Try parsing it as an unsigned integer first, and as a
uid_t if that fails. This method can list positive user
ids that are too large to fit in a uid_t. */
- 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 u = from_header (blk->header.uid,
+ sizeof blk->header.uid, 0,
+ 0, UINTMAX_MAX,
false, false);
- if (u != -1)
- user = STRINGIFY_BIGINT (u, uform);
- else
- {
- sprintf (uform, "%ld",
- (long) UID_FROM_HEADER (current_header->header.uid));
- user = uform;
- }
+ user = (u != -1
+ ? STRINGIFY_BIGINT (u, uform)
+ : imaxtostr (UID_FROM_HEADER (blk->header.uid), uform));
}
if (st->gname
/* Try parsing it as an unsigned integer first, and as a
gid_t if that fails. This method can list positive group
ids that are too large to fit in a gid_t. */
- 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 g = from_header (blk->header.gid,
+ sizeof blk->header.gid, 0,
+ 0, UINTMAX_MAX,
false, false);
- if (g != -1)
- group = STRINGIFY_BIGINT (g, gform);
- else
- {
- sprintf (gform, "%ld",
- (long) GID_FROM_HEADER (current_header->header.gid));
- group = gform;
- }
+ group = (g != -1
+ ? STRINGIFY_BIGINT (g, gform)
+ : imaxtostr (GID_FROM_HEADER (blk->header.gid), gform));
}
/* Format the file size or major/minor device numbers. */
- switch (current_header->header.typeflag)
+ switch (blk->header.typeflag)
{
case CHRTYPE:
case BLKTYPE:
datewidth, time_stamp);
fprintf (stdlis, " %s", quotearg (temp_name));
+ if (show_transformed_names_option && st->had_trailing_slash)
+ fputc ('/', stdlis);
- switch (current_header->header.typeflag)
+ switch (blk->header.typeflag)
{
case SYMTYPE:
fprintf (stdlis, " -> %s\n", quotearg (st->link_name));
default:
{
char type_string[2];
- type_string[0] = current_header->header.typeflag;
+ type_string[0] = blk->header.typeflag;
type_string[1] = '\0';
fprintf (stdlis, _(" unknown file type %s\n"),
quote (type_string));
case GNUTYPE_MULTIVOL:
strcpy (size,
STRINGIFY_BIGINT
- (UINTMAX_FROM_HEADER (current_header->oldgnu_header.offset),
+ (UINTMAX_FROM_HEADER (blk->oldgnu_header.offset),
uintbuf));
fprintf (stdlis, _("--Continued at byte %s--\n"), size);
break;
}
}
fflush (stdlis);
+ xattrs_print (st);
+}
+
+
+static void
+print_volume_label (void)
+{
+ struct tar_stat_info vstat;
+ union block vblk;
+ enum archive_format dummy;
+
+ memset (&vblk, 0, sizeof (vblk));
+ vblk.header.typeflag = GNUTYPE_VOLHDR;
+ if (recent_global_header)
+ memcpy (vblk.header.mtime, recent_global_header->header.mtime,
+ sizeof vblk.header.mtime);
+ tar_stat_init (&vstat);
+ assign_string (&vstat.file_name, ".");
+ decode_header (&vblk, &vstat, &dummy, 0);
+ assign_string (&vstat.file_name, volume_label);
+ simple_print_header (&vstat, &vblk, 0);
+ tar_stat_destroy (&vstat);
+}
+
+void
+print_header (struct tar_stat_info *st, union block *blk,
+ off_t block_ordinal)
+{
+ if (current_format == POSIX_FORMAT && !volume_label_printed && volume_label)
+ {
+ print_volume_label ();
+ volume_label_printed = true;
+ }
+
+ simple_print_header (st, blk, block_ordinal);
}
/* Print a similar line when we make a directory automatically. */
STRINGIFY_BIGINT (current_block_ordinal (), buf));
}
- fprintf (stdlis, "%s %*s %.*s\n", modes, ugswidth + 1 + datewidth,
- _("Creating directory:"), length, quotearg (dirname));
+ fprintf (stdlis, "%s %*s %s\n", modes, ugswidth + 1 + datewidth,
+ _("Creating directory:"), quotearg (dirname));
}
}
{
union block *x;
- /* FIXME: Make sure mv_begin is always called before it */
+ /* FIXME: Make sure mv_begin_read is always called before it */
if (seekable_archive)
{
char save_typeflag = current_header->header.typeflag;
set_next_block_after (current_header);
- mv_begin (¤t_stat_info);
+ mv_begin_read (¤t_stat_info);
if (current_stat_info.is_sparse)
sparse_skip_file (¤t_stat_info);
mv_end ();
}
}
+
+void
+test_archive_label (void)
+{
+ base64_init ();
+ name_gather ();
+
+ open_archive (ACCESS_READ);
+ if (read_header (¤t_header, ¤t_stat_info, read_header_auto)
+ == HEADER_SUCCESS)
+ {
+ decode_header (current_header,
+ ¤t_stat_info, ¤t_format, 0);
+ if (current_header->header.typeflag == GNUTYPE_VOLHDR)
+ assign_string (&volume_label, current_header->header.name);
+
+ if (volume_label)
+ {
+ if (verbose_option)
+ print_volume_label ();
+ if (!name_match (volume_label) && multi_volume_option)
+ {
+ char *s = drop_volume_label_suffix (volume_label);
+ name_match (s);
+ free (s);
+ }
+ }
+ }
+ close_archive ();
+ label_notfound ();
+}
projects / chaz / tar / blobdiff