X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Ftar;a=blobdiff_plain;f=src%2Ftar.c;h=cd2849545a3ddf4ff8c6e3451a7181a7d5a78f69;hp=3ef9c8f7a48c7c36c78c2ea6e626b3810f745c39;hb=45ccda119355a1087450039a250359c1d0de0d08;hpb=84a55f12e5880196623d4193bf1d7f5141e6b0d5
diff --git a/src/tar.c b/src/tar.c
index 3ef9c8f..cd28495 100644
--- a/src/tar.c
+++ b/src/tar.c
@@ -1,7 +1,7 @@
/* A tar (tape archiver) program.
- Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
- 2001, 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
+ Copyright 1988, 1992-1997, 1999-2001, 2003-2007, 2012-2014 Free
+ Software Foundation, Inc.
Written by John Gilmore, starting 1985-08-25.
@@ -16,8 +16,7 @@
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. */
+ with this program. If not, see . */
#include
@@ -43,7 +42,7 @@
#include
#include
#include
-#include
+#include
#include
#include
#include
@@ -67,6 +66,12 @@
# define DEFAULT_BLOCKING 20
#endif
+/* Print a message if not all links are dumped */
+static int check_links_option;
+
+/* Number of allocated tape drive names. */
+static size_t allocated_archive_names;
+
/* Miscellaneous. */
@@ -78,7 +83,7 @@ void
request_stdin (const char *option)
{
if (stdin_used_by)
- USAGE_ERROR ((0, 0, _("Options `-%s' and `-%s' both want standard input"),
+ USAGE_ERROR ((0, 0, _("Options '-%s' and '-%s' both want standard input"),
stdin_used_by, option));
stdin_used_by = option;
@@ -214,17 +219,18 @@ subcommand_string (enum subcommand c)
case UPDATE_SUBCOMMAND:
return "-u";
- default:
- abort ();
+ case TEST_LABEL_SUBCOMMAND:
+ return "--test-label";
}
+ abort ();
}
-void
-tar_list_quoting_styles (struct obstack *stk, char *prefix)
+static void
+tar_list_quoting_styles (struct obstack *stk, char const *prefix)
{
int i;
size_t prefixlen = strlen (prefix);
-
+
for (i = 0; quoting_style_args[i]; i++)
{
obstack_grow (stk, prefix, prefixlen);
@@ -234,7 +240,7 @@ tar_list_quoting_styles (struct obstack *stk, char *prefix)
}
}
-void
+static void
tar_set_quoting_style (char *arg)
{
int i;
@@ -246,7 +252,7 @@ tar_set_quoting_style (char *arg)
return;
}
FATAL_ERROR ((0, 0,
- _("Unknown quoting style `%s'. Try `%s --quoting-style=help' to get a list."), arg, program_invocation_short_name));
+ _("Unknown quoting style '%s'. Try '%s --quoting-style=help' to get a list."), arg, program_invocation_short_name));
}
@@ -254,7 +260,8 @@ tar_set_quoting_style (char *arg)
enum
{
- ANCHORED_OPTION = CHAR_MAX + 1,
+ ACLS_OPTION = CHAR_MAX + 1,
+ ANCHORED_OPTION,
ATIME_PRESERVE_OPTION,
BACKUP_OPTION,
CHECK_DEVICE_OPTION,
@@ -273,18 +280,22 @@ enum
EXCLUDE_TAG_ALL_OPTION,
EXCLUDE_VCS_OPTION,
FORCE_LOCAL_OPTION,
+ FULL_TIME_OPTION,
GROUP_OPTION,
IGNORE_CASE_OPTION,
IGNORE_COMMAND_ERROR_OPTION,
IGNORE_FAILED_READ_OPTION,
INDEX_FILE_OPTION,
+ KEEP_DIRECTORY_SYMLINK_OPTION,
KEEP_NEWER_FILES_OPTION,
LEVEL_OPTION,
+ LZIP_OPTION,
LZMA_OPTION,
LZOP_OPTION,
MODE_OPTION,
MTIME_OPTION,
NEWER_MTIME_OPTION,
+ NO_ACLS_OPTION,
NO_ANCHORED_OPTION,
NO_AUTO_COMPRESS_OPTION,
NO_CHECK_DEVICE_OPTION,
@@ -298,14 +309,17 @@ enum
NO_SAME_OWNER_OPTION,
NO_SAME_PERMISSIONS_OPTION,
NO_SEEK_OPTION,
+ NO_SELINUX_CONTEXT_OPTION,
NO_UNQUOTE_OPTION,
NO_WILDCARDS_MATCH_SLASH_OPTION,
NO_WILDCARDS_OPTION,
+ NO_XATTR_OPTION,
NULL_OPTION,
NUMERIC_OWNER_OPTION,
OCCURRENCE_OPTION,
OLD_ARCHIVE_OPTION,
ONE_FILE_SYSTEM_OPTION,
+ ONE_TOP_LEVEL_OPTION,
OVERWRITE_DIR_OPTION,
OVERWRITE_OPTION,
OWNER_OPTION,
@@ -322,9 +336,12 @@ enum
RMT_COMMAND_OPTION,
RSH_COMMAND_OPTION,
SAME_OWNER_OPTION,
+ SELINUX_CONTEXT_OPTION,
SHOW_DEFAULTS_OPTION,
SHOW_OMITTED_DIRS_OPTION,
+ SHOW_SNAPSHOT_FIELD_RANGES_OPTION,
SHOW_TRANSFORMED_NAMES_OPTION,
+ SKIP_OLD_FILES_OPTION,
SPARSE_VERSION_OPTION,
STRIP_COMPONENTS_OPTION,
SUFFIX_OPTION,
@@ -335,15 +352,18 @@ enum
UNQUOTE_OPTION,
UTC_OPTION,
VOLNO_FILE_OPTION,
- WARNING_OPTION,
+ WARNING_OPTION,
WILDCARDS_MATCH_SLASH_OPTION,
- WILDCARDS_OPTION
+ WILDCARDS_OPTION,
+ XATTR_OPTION,
+ XATTR_EXCLUDE,
+ XATTR_INCLUDE
};
const char *argp_program_version = "tar (" PACKAGE_NAME ") " VERSION;
const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
static char const doc[] = N_("\
-GNU `tar' saves many files together into a single tape or disk archive, \
+GNU 'tar' saves many files together into a single tape or disk archive, \
and can restore individual files from the archive.\n\
\n\
Examples:\n\
@@ -351,7 +371,7 @@ Examples:\n\
tar -tvf archive.tar # List all files in archive.tar verbosely.\n\
tar -xf archive.tar # Extract all files from archive.tar.\n")
"\v"
-N_("The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
+N_("The backup suffix is '~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
The version control may be set with --backup or VERSION_CONTROL, values are:\n\n\
none, off never make backups\n\
t, numbered make numbered backups\n\
@@ -449,7 +469,11 @@ static struct argp_option options[] = {
{"remove-files", REMOVE_FILES_OPTION, 0, 0,
N_("remove files after adding them to the archive"), GRID+1 },
{"keep-old-files", 'k', 0, 0,
- N_("don't replace existing files when extracting"), GRID+1 },
+ N_("don't replace existing files when extracting, "
+ "treat them as errors"), GRID+1 },
+ {"skip-old-files", SKIP_OLD_FILES_OPTION, 0, 0,
+ N_("don't replace existing files when extracting, silently skip over them"),
+ GRID+1 },
{"keep-newer-files", KEEP_NEWER_FILES_OPTION, 0, 0,
N_("don't replace existing files that are newer than their archive copies"), GRID+1 },
{"overwrite", OVERWRITE_OPTION, 0, 0,
@@ -463,6 +487,12 @@ static struct argp_option options[] = {
{"overwrite-dir", OVERWRITE_DIR_OPTION, 0, 0,
N_("overwrite metadata of existing directories when extracting (default)"),
GRID+1 },
+ {"keep-directory-symlink", KEEP_DIRECTORY_SYMLINK_OPTION, 0, 0,
+ N_("preserve existing symlinks to directories when extracting"),
+ GRID+1 },
+ {"one-top-level", ONE_TOP_LEVEL_OPTION, N_("DIR"), OPTION_ARG_OPTIONAL,
+ N_("create a subdirectory to avoid having loose files extracted"),
+ GRID+1 },
#undef GRID
#define GRID 40
@@ -511,7 +541,8 @@ static struct argp_option options[] = {
{"no-same-permissions", NO_SAME_PERMISSIONS_OPTION, 0, 0,
N_("apply the user's umask when extracting permissions from the archive (default for ordinary users)"), GRID+1 },
{"preserve-order", 's', 0, 0,
- N_("sort names to extract to match archive"), GRID+1 },
+ N_("member arguments are listed in the same order as the "
+ "files in the archive"), GRID+1 },
{"same-order", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"preserve", PRESERVE_OPTION, 0, 0,
N_("same as both -p and -s"), GRID+1 },
@@ -522,6 +553,28 @@ static struct argp_option options[] = {
N_("cancel the effect of --delay-directory-restore option"), GRID+1 },
#undef GRID
+#define GRID 55
+ {NULL, 0, NULL, 0,
+ N_("Handling of extended file attributes:"), GRID },
+
+ {"xattrs", XATTR_OPTION, 0, 0,
+ N_("Enable extended attributes support"), GRID+1 },
+ {"no-xattrs", NO_XATTR_OPTION, 0, 0,
+ N_("Disable extended attributes support"), GRID+1 },
+ {"xattrs-include", XATTR_INCLUDE, N_("MASK"), 0,
+ N_("specify the include pattern for xattr keys"), GRID+1 },
+ {"xattrs-exclude", XATTR_EXCLUDE, N_("MASK"), 0,
+ N_("specify the exclude pattern for xattr keys"), GRID+1 },
+ {"selinux", SELINUX_CONTEXT_OPTION, 0, 0,
+ N_("Enable the SELinux context support"), GRID+1 },
+ {"no-selinux", NO_SELINUX_CONTEXT_OPTION, 0, 0,
+ N_("Disable the SELinux context support"), GRID+1 },
+ {"acls", ACLS_OPTION, 0, 0,
+ N_("Enable the POSIX ACLs support"), GRID+1 },
+ {"no-acls", NO_ACLS_OPTION, 0, 0,
+ N_("Disable the POSIX ACLs support"), GRID+1 },
+#undef GRID
+
#define GRID 60
{NULL, 0, NULL, 0,
N_("Device selection and switching:"), GRID },
@@ -535,7 +588,7 @@ static struct argp_option options[] = {
{"rsh-command", RSH_COMMAND_OPTION, N_("COMMAND"), 0,
N_("use remote COMMAND instead of rsh"), GRID+1 },
#ifdef DEVICE_PREFIX
- {"-[0-7][lmh]", 0, NULL, OPTION_DOC, /* It is OK, since `name' will never be
+ {"-[0-7][lmh]", 0, NULL, OPTION_DOC, /* It is OK, since 'name' will never be
translated */
N_("specify drive and density"), GRID+1 },
#endif
@@ -623,11 +676,12 @@ static struct argp_option options[] = {
{"ungzip", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"compress", 'Z', 0, 0, NULL, GRID+1 },
{"uncompress", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"lzip", LZIP_OPTION, 0, 0, NULL, GRID+1 },
{"lzma", LZMA_OPTION, 0, 0, NULL, GRID+1 },
{"lzop", LZOP_OPTION, 0, 0, NULL, GRID+1 },
{"xz", 'J', 0, 0, NULL, GRID+1 },
#undef GRID
-
+
#define GRID 100
{NULL, 0, NULL, 0,
N_("Local file selection:"), GRID },
@@ -676,13 +730,13 @@ static struct argp_option options[] = {
{"recursion", RECURSION_OPTION, 0, 0,
N_("recurse into directories (default)"), GRID+1 },
{"absolute-names", 'P', 0, 0,
- N_("don't strip leading `/'s from file names"), GRID+1 },
+ N_("don't strip leading '/'s from file names"), GRID+1 },
{"dereference", 'h', 0, 0,
N_("follow symlinks; archive and dump the files they point to"), GRID+1 },
{"hard-dereference", HARD_DEREFERENCE_OPTION, 0, 0,
N_("follow hard links; archive and dump the files they refer to"), GRID+1 },
{"starting-file", 'K', N_("MEMBER-NAME"), 0,
- N_("begin at member MEMBER-NAME in the archive"), GRID+1 },
+ N_("begin at member MEMBER-NAME when reading the archive"), GRID+1 },
{"newer", 'N', N_("DATE-OR-FILE"), 0,
N_("only store files newer than DATE-OR-FILE"), GRID+1 },
{"after-date", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
@@ -714,7 +768,7 @@ static struct argp_option options[] = {
{"anchored", ANCHORED_OPTION, 0, 0,
N_("patterns match file name start"), GRID+1 },
{"no-anchored", NO_ANCHORED_OPTION, 0, 0,
- N_("patterns match after any `/' (default for exclusion)"), GRID+1 },
+ N_("patterns match after any '/' (default for exclusion)"), GRID+1 },
{"no-ignore-case", NO_IGNORE_CASE_OPTION, 0, 0,
N_("case sensitive matching (default)"), GRID+1 },
{"wildcards", WILDCARDS_OPTION, 0, 0,
@@ -722,9 +776,9 @@ static struct argp_option options[] = {
{"no-wildcards", NO_WILDCARDS_OPTION, 0, 0,
N_("verbatim string matching"), GRID+1 },
{"no-wildcards-match-slash", NO_WILDCARDS_MATCH_SLASH_OPTION, 0, 0,
- N_("wildcards do not match `/'"), GRID+1 },
+ N_("wildcards do not match '/'"), GRID+1 },
{"wildcards-match-slash", WILDCARDS_MATCH_SLASH_OPTION, 0, 0,
- N_("wildcards match `/' (default for exclusion)"), GRID+1 },
+ N_("wildcards match '/' (default for exclusion)"), GRID+1 },
#undef GRID
#define GRID 130
@@ -749,7 +803,9 @@ static struct argp_option options[] = {
"Allowed signals are: SIGHUP, SIGQUIT, SIGINT, SIGUSR1 and SIGUSR2; "
"the names without SIG prefix are also accepted"), GRID+1 },
{"utc", UTC_OPTION, 0, 0,
- N_("print file modification dates in UTC"), GRID+1 },
+ N_("print file modification times in UTC"), GRID+1 },
+ {"full-time", FULL_TIME_OPTION, 0, 0,
+ N_("print file time to its full resolution"), GRID+1 },
{"index-file", INDEX_FILE_OPTION, N_("FILE"), 0,
N_("send verbose output to FILE"), GRID+1 },
{"block-number", 'R', 0, 0,
@@ -759,6 +815,8 @@ static struct argp_option options[] = {
{"confirmation", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"show-defaults", SHOW_DEFAULTS_OPTION, 0, 0,
N_("show tar defaults"), GRID+1 },
+ {"show-snapshot-field-ranges", SHOW_SNAPSHOT_FIELD_RANGES_OPTION, 0, 0,
+ N_("show valid ranges for snapshot-file fields"), GRID+1 },
{"show-omitted-dirs", SHOW_OMITTED_DIRS_OPTION, 0, 0,
N_("when listing or extracting, list each directory that does not match search criteria"), GRID+1 },
{"show-transformed-names", SHOW_TRANSFORMED_NAMES_OPTION, 0, 0,
@@ -885,13 +943,13 @@ static char const * const backup_file_table[] = {
NULL
};
-void
-add_exclude_array (char const * const * fv)
+static void
+add_exclude_array (char const * const * fv, int opts)
{
int i;
for (i = 0; fv[i]; i++)
- add_exclude (excluded, fv[i], 0);
+ add_exclude (excluded, fv[i], opts);
}
@@ -904,12 +962,12 @@ format_default_settings (void)
" --rsh-command=%s"
#endif
,
- archive_format_string (DEFAULT_ARCHIVE_FORMAT),
- DEFAULT_ARCHIVE, DEFAULT_BLOCKING,
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT),
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING,
quoting_style_args[DEFAULT_QUOTING_STYLE],
- DEFAULT_RMT_COMMAND,
+ DEFAULT_RMT_COMMAND
#ifdef REMOTE_SHELL
- REMOTE_SHELL
+ , REMOTE_SHELL
#endif
);
}
@@ -921,8 +979,8 @@ set_subcommand_option (enum subcommand subcommand)
if (subcommand_option != UNKNOWN_SUBCOMMAND
&& subcommand_option != subcommand)
USAGE_ERROR ((0, 0,
- _("You may not specify more than one `-Acdtrux' option")));
-
+ _("You may not specify more than one '-Acdtrux', '--delete' or '--test-label' option")));
+
subcommand_option = subcommand;
}
@@ -932,11 +990,11 @@ set_use_compress_program_option (const char *string)
if (use_compress_program_option
&& strcmp (use_compress_program_option, string) != 0)
USAGE_ERROR ((0, 0, _("Conflicting compression options")));
-
+
use_compress_program_option = string;
}
-static RETSIGTYPE
+static void
sigstat (int signo)
{
compute_duration ();
@@ -950,24 +1008,27 @@ static void
stat_on_signal (int signo)
{
#ifdef HAVE_SIGACTION
+# ifndef SA_RESTART
+# define SA_RESTART 0
+# endif
struct sigaction act;
act.sa_handler = sigstat;
sigemptyset (&act.sa_mask);
- act.sa_flags = 0;
+ act.sa_flags = SA_RESTART;
sigaction (signo, &act, NULL);
#else
signal (signo, sigstat);
#endif
}
-void
+static void
set_stat_signal (const char *name)
{
static struct sigtab
{
- char *name;
+ char const *name;
int signo;
- } sigtab[] = {
+ } const sigtab[] = {
{ "SIGUSR1", SIGUSR1 },
{ "USR1", SIGUSR1 },
{ "SIGUSR2", SIGUSR2 },
@@ -979,7 +1040,7 @@ set_stat_signal (const char *name)
{ "SIGQUIT", SIGQUIT },
{ "QUIT", SIGQUIT }
};
- struct sigtab *p;
+ struct sigtab const *p;
for (p = sigtab; p < sigtab + sizeof (sigtab) / sizeof (sigtab[0]); p++)
if (strcmp (p->name, name) == 0)
@@ -1008,7 +1069,7 @@ get_date_or_file (struct tar_args *args, const char *option,
|| *str == '.')
{
struct stat st;
- if (deref_stat (dereference_option, str, &st) != 0)
+ if (stat (str, &st) != 0)
{
stat_error (str);
USAGE_ERROR ((0, 0, _("Date sample file not found")));
@@ -1017,7 +1078,7 @@ get_date_or_file (struct tar_args *args, const char *option,
}
else
{
- if (! get_date (ts, str, NULL))
+ if (! parse_datetime (ts, str, NULL))
{
WARN ((0, 0, _("Substituting %s for unknown date format %s"),
tartime (*ts, false), quote (str)));
@@ -1048,7 +1109,7 @@ report_textual_dates (struct tar_args *args)
{
char const *treated_as = tartime (p->ts, true);
if (strcmp (p->date, treated_as) != 0)
- WARN ((0, 0, _("Option %s: Treating date `%s' as %s"),
+ WARN ((0, 0, _("Option %s: Treating date '%s' as %s"),
p->option, p->date, treated_as));
}
free (p->date);
@@ -1057,194 +1118,26 @@ report_textual_dates (struct tar_args *args)
}
}
-
-
-/* Either NL or NUL, as decided by the --null option. */
-static char filename_terminator;
-
-enum read_file_list_state /* Result of reading file name from the list file */
- {
- file_list_success, /* OK, name read successfully */
- file_list_end, /* End of list file */
- file_list_zero, /* Zero separator encountered where it should not */
- file_list_skip /* Empty (zero-length) entry encountered, skip it */
- };
-
-/* Read from FP a sequence of characters up to TERM and put them
- into STK.
- */
-static enum read_file_list_state
-read_name_from_file (FILE *fp, struct obstack *stk, int term)
-{
- int c;
- size_t counter = 0;
-
- for (c = getc (fp); c != EOF && c != term; c = getc (fp))
- {
- if (c == 0)
- {
- /* We have read a zero separator. The file possibly is
- zero-separated */
- return file_list_zero;
- }
- obstack_1grow (stk, c);
- counter++;
- }
-
- if (counter == 0 && c != EOF)
- return file_list_skip;
-
- obstack_1grow (stk, 0);
-
- return (counter == 0 && c == EOF) ? file_list_end : file_list_success;
-}
-
static bool files_from_option; /* When set, tar will not refuse to create
empty archives */
-static struct obstack argv_stk; /* Storage for additional command line options
- read using -T option */
-
-/* Prevent recursive inclusion of the same file */
-struct file_id_list
-{
- struct file_id_list *next;
- ino_t ino;
- dev_t dev;
-};
-
-static struct file_id_list *file_id_list;
-
-static void
-add_file_id (const char *filename)
-{
- struct file_id_list *p;
- struct stat st;
-
- if (stat (filename, &st))
- stat_fatal (filename);
- for (p = file_id_list; p; p = p->next)
- if (p->ino == st.st_ino && p->dev == st.st_dev)
- {
- FATAL_ERROR ((0, 0, _("%s: file list already read"),
- quotearg_colon (filename)));
- }
- p = xmalloc (sizeof *p);
- p->next = file_id_list;
- p->ino = st.st_ino;
- p->dev = st.st_dev;
- file_id_list = p;
-}
/* Default density numbers for [0-9][lmh] device specifications */
-#ifndef LOW_DENSITY_NUM
-# define LOW_DENSITY_NUM 0
-#endif
+#if defined DEVICE_PREFIX && !defined DENSITY_LETTER
+# ifndef LOW_DENSITY_NUM
+# define LOW_DENSITY_NUM 0
+# endif
-#ifndef MID_DENSITY_NUM
-# define MID_DENSITY_NUM 8
-#endif
+# ifndef MID_DENSITY_NUM
+# define MID_DENSITY_NUM 8
+# endif
-#ifndef HIGH_DENSITY_NUM
-# define HIGH_DENSITY_NUM 16
+# ifndef HIGH_DENSITY_NUM
+# define HIGH_DENSITY_NUM 16
+# endif
#endif
-static void
-update_argv (const char *filename, struct argp_state *state)
-{
- FILE *fp;
- size_t count = 0, i;
- char *start, *p;
- char **new_argv;
- size_t new_argc;
- bool is_stdin = false;
- enum read_file_list_state read_state;
- int term = filename_terminator;
-
- if (!strcmp (filename, "-"))
- {
- is_stdin = true;
- request_stdin ("-T");
- fp = stdin;
- }
- else
- {
- add_file_id (filename);
- if ((fp = fopen (filename, "r")) == NULL)
- open_fatal (filename);
- }
-
- while ((read_state = read_name_from_file (fp, &argv_stk, term))
- != file_list_end)
- {
- switch (read_state)
- {
- case file_list_success:
- count++;
- break;
-
- case file_list_end: /* won't happen, just to pacify gcc */
- break;
-
- case file_list_zero:
- {
- size_t size;
-
- WARNOPT (WARN_FILENAME_WITH_NULS,
- (0, 0, N_("%s: file name read contains nul character"),
- quotearg_colon (filename)));
-
- /* Prepare new stack contents */
- size = obstack_object_size (&argv_stk);
- p = obstack_finish (&argv_stk);
- for (; size > 0; size--, p++)
- if (*p)
- obstack_1grow (&argv_stk, *p);
- else
- obstack_1grow (&argv_stk, '\n');
- obstack_1grow (&argv_stk, 0);
- count = 1;
- /* Read rest of files using new filename terminator */
- term = 0;
- break;
- }
-
- case file_list_skip:
- break;
- }
- }
-
- if (!is_stdin)
- fclose (fp);
-
- if (count == 0)
- return;
-
- start = obstack_finish (&argv_stk);
-
- if (term == 0)
- for (p = start; *p; p += strlen (p) + 1)
- if (p[0] == '-')
- count++;
-
- new_argc = state->argc + count;
- new_argv = xmalloc (sizeof (state->argv[0]) * (new_argc + 1));
- memcpy (new_argv, state->argv, sizeof (state->argv[0]) * (state->argc + 1));
- state->argv = new_argv;
- memmove (&state->argv[state->next + count], &state->argv[state->next],
- (state->argc - state->next + 1) * sizeof (state->argv[0]));
-
- state->argc = new_argc;
-
- for (i = state->next, p = start; *p; p += strlen (p) + 1, i++)
- {
- if (term == 0 && p[0] == '-')
- state->argv[i++] = "--add-file";
- state->argv[i] = p;
- }
-}
-
static char *
tar_help_filter (int key, const char *text, void *input)
@@ -1257,41 +1150,52 @@ tar_help_filter (int key, const char *text, void *input)
default:
s = (char*) text;
break;
-
+
case 'j':
s = xasprintf (_("filter the archive through %s"), BZIP2_PROGRAM);
break;
-
+
case 'z':
s = xasprintf (_("filter the archive through %s"), GZIP_PROGRAM);
break;
-
+
case 'Z':
s = xasprintf (_("filter the archive through %s"), COMPRESS_PROGRAM);
break;
+ case LZIP_OPTION:
+ s = xasprintf (_("filter the archive through %s"), LZIP_PROGRAM);
+ break;
+
case LZMA_OPTION:
s = xasprintf (_("filter the archive through %s"), LZMA_PROGRAM);
break;
+
+ case LZOP_OPTION:
+ s = xasprintf (_("filter the archive through %s"), LZOP_PROGRAM);
case 'J':
s = xasprintf (_("filter the archive through %s"), XZ_PROGRAM);
break;
-
+
case ARGP_KEY_HELP_EXTRA:
- obstack_init (&stk);
- s = _("Valid arguments for the --quoting-style option are:");
- obstack_grow (&stk, s, strlen (s));
- obstack_grow (&stk, "\n\n", 2);
- tar_list_quoting_styles (&stk, " ");
- s = _("\n*This* tar defaults to:\n");
- obstack_grow (&stk, s, strlen (s));
- s = format_default_settings ();
- obstack_grow (&stk, s, strlen (s));
- obstack_1grow (&stk, '\n');
- obstack_1grow (&stk, 0);
- s = xstrdup (obstack_finish (&stk));
- obstack_free (&stk, NULL);
+ {
+ const char *tstr;
+
+ obstack_init (&stk);
+ tstr = _("Valid arguments for the --quoting-style option are:");
+ obstack_grow (&stk, tstr, strlen (tstr));
+ obstack_grow (&stk, "\n\n", 2);
+ tar_list_quoting_styles (&stk, " ");
+ tstr = _("\n*This* tar defaults to:\n");
+ obstack_grow (&stk, tstr, strlen (tstr));
+ s = format_default_settings ();
+ obstack_grow (&stk, s, strlen (s));
+ obstack_1grow (&stk, '\n');
+ obstack_1grow (&stk, 0);
+ s = xstrdup (obstack_finish (&stk));
+ obstack_free (&stk, NULL);
+ }
}
return s;
}
@@ -1301,7 +1205,7 @@ expand_pax_option (struct tar_args *targs, const char *arg)
{
struct obstack stk;
char *res;
-
+
obstack_init (&stk);
while (*arg)
{
@@ -1322,8 +1226,8 @@ expand_pax_option (struct tar_args *targs, const char *arg)
tmp[len-2] = 0;
if (get_date_or_file (targs, "--pax-option", tmp, &ts) == 0)
{
- char buf[UINTMAX_STRSIZE_BOUND], *s;
- s = umaxtostr (ts.tv_sec, buf);
+ char buf[TIMESPEC_STRSIZE_BOUND];
+ char const *s = code_timespec (ts, buf);
obstack_grow (&stk, s, strlen (s));
}
else
@@ -1350,6 +1254,62 @@ expand_pax_option (struct tar_args *targs, const char *arg)
}
+static uintmax_t
+parse_owner_group (char *arg, uintmax_t field_max, char const **name_option)
+{
+ uintmax_t u = UINTMAX_MAX;
+ char *end;
+ char const *name = 0;
+ char const *invalid_num = 0;
+ char *colon = strchr (arg, ':');
+
+ if (colon)
+ {
+ char const *num = colon + 1;
+ *colon = '\0';
+ if (*arg)
+ name = arg;
+ if (num && (! (xstrtoumax (num, &end, 10, &u, "") == LONGINT_OK
+ && u <= field_max)))
+ invalid_num = num;
+ }
+ else
+ {
+ uintmax_t u1;
+ switch ('0' <= *arg && *arg <= '9'
+ ? xstrtoumax (arg, &end, 10, &u1, "")
+ : LONGINT_INVALID)
+ {
+ default:
+ name = arg;
+ break;
+
+ case LONGINT_OK:
+ if (u1 <= field_max)
+ {
+ u = u1;
+ break;
+ }
+ /* Fall through. */
+ case LONGINT_OVERFLOW:
+ invalid_num = arg;
+ break;
+ }
+ }
+
+ if (invalid_num)
+ FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (invalid_num),
+ _("Invalid owner or group ID")));
+ if (name)
+ *name_option = name;
+ return u;
+}
+
+#define TAR_SIZE_SUFFIXES "bBcGgkKMmPTtw"
+
+/* Either NL or NUL, as decided by the --null option. */
+static char filename_terminator;
+
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
@@ -1362,19 +1322,19 @@ parse_opt (int key, char *arg, struct argp_state *state)
name_add_name (arg, MAKE_INCL_OPTIONS (args));
args->input_files = true;
break;
-
+
case 'A':
set_subcommand_option (CAT_SUBCOMMAND);
break;
-
+
case 'a':
args->compress_autodetect = true;
break;
-
+
case NO_AUTO_COMPRESS_OPTION:
args->compress_autodetect = false;
break;
-
+
case 'b':
{
uintmax_t u;
@@ -1386,116 +1346,130 @@ parse_opt (int key, char *arg, struct argp_state *state)
_("Invalid blocking factor")));
}
break;
-
+
case 'B':
/* Try to reblock input records. For reading 4.2BSD pipes. */
-
+
/* It would surely make sense to exchange -B and -R, but it seems
that -B has been used for a long while in Sun tar and most
BSD-derived systems. This is a consequence of the block/record
terminology confusion. */
-
+
read_full_records_option = true;
break;
-
+
case 'c':
set_subcommand_option (CREATE_SUBCOMMAND);
break;
-
+
case 'C':
name_add_dir (arg);
break;
-
+
case 'd':
set_subcommand_option (DIFF_SUBCOMMAND);
break;
-
+
case 'f':
if (archive_names == allocated_archive_names)
archive_name_array = x2nrealloc (archive_name_array,
&allocated_archive_names,
sizeof (archive_name_array[0]));
-
+
archive_name_array[archive_names++] = arg;
break;
-
+
case 'F':
/* Since -F is only useful with -M, make it implied. Run this
script at the end of each tape. */
-
+
info_script_option = arg;
multi_volume_option = true;
break;
-
+
+ case FULL_TIME_OPTION:
+ full_time_option = true;
+ break;
+
case 'g':
listed_incremental_option = arg;
after_date_option = true;
/* Fall through. */
-
+
case 'G':
/* We are making an incremental dump (FIXME: are we?); save
directories at the beginning of the archive, and include in each
directory its contents. */
-
+
incremental_option = true;
break;
-
+
case 'h':
/* Follow symbolic links. */
dereference_option = true;
break;
-
+
case HARD_DEREFERENCE_OPTION:
hard_dereference_option = true;
break;
-
+
case 'i':
/* Ignore zero blocks (eofs). This can't be the default,
because Unix tar writes two blocks of zeros, then pads out
the record with garbage. */
-
+
ignore_zeros_option = true;
break;
-
+
case 'j':
set_use_compress_program_option (BZIP2_PROGRAM);
break;
-
+
case 'J':
set_use_compress_program_option (XZ_PROGRAM);
break;
-
+
case 'k':
/* Don't replace existing files. */
old_files_option = KEEP_OLD_FILES;
break;
-
+
case 'K':
starting_file_option = true;
addname (arg, 0, true, NULL);
break;
-
+
case ONE_FILE_SYSTEM_OPTION:
/* When dumping directories, don't dump files/subdirectories
that are on other filesystems. */
one_file_system_option = true;
break;
-
+
+ case ONE_TOP_LEVEL_OPTION:
+ one_top_level_option = true;
+ one_top_level_dir = arg;
+ break;
+
case 'l':
check_links_option = 1;
break;
-
+
case 'L':
{
uintmax_t u;
- if (xstrtoumax (arg, 0, 10, &u, "") != LONGINT_OK)
+ char *p;
+
+ if (xstrtoumax (arg, &p, 10, &u, TAR_SIZE_SUFFIXES) != LONGINT_OK)
USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
_("Invalid tape length")));
- tape_length_option = 1024 * (tarlong) u;
+ if (p > arg && !strchr (TAR_SIZE_SUFFIXES, p[-1]))
+ tape_length_option = 1024 * (tarlong) u;
+ else
+ tape_length_option = (tarlong) u;
multi_volume_option = true;
}
break;
-
+
case LEVEL_OPTION:
{
char *p;
@@ -1504,43 +1478,47 @@ parse_opt (int key, char *arg, struct argp_state *state)
USAGE_ERROR ((0, 0, _("Invalid incremental level value")));
}
break;
-
+
+ case LZIP_OPTION:
+ set_use_compress_program_option (LZIP_PROGRAM);
+ break;
+
case LZMA_OPTION:
set_use_compress_program_option (LZMA_PROGRAM);
break;
-
+
case LZOP_OPTION:
set_use_compress_program_option (LZOP_PROGRAM);
break;
-
+
case 'm':
touch_option = true;
break;
-
+
case 'M':
/* Make multivolume archive: when we can't write any more into
the archive, re-open it, and continue writing. */
-
+
multi_volume_option = true;
break;
-
+
case MTIME_OPTION:
get_date_or_file (args, "--mtime", arg, &mtime_option);
set_mtime_option = true;
break;
-
+
case 'n':
seek_option = 1;
break;
-
+
case NO_SEEK_OPTION:
seek_option = 0;
break;
-
+
case 'N':
after_date_option = true;
/* Fall through. */
-
+
case NEWER_MTIME_OPTION:
if (NEWER_OPTION_INITIALIZED (newer_mtime_option))
USAGE_ERROR ((0, 0, _("More than one threshold date")));
@@ -1548,48 +1526,52 @@ parse_opt (int key, char *arg, struct argp_state *state)
key == NEWER_MTIME_OPTION ? "--newer-mtime"
: "--after-date", arg, &newer_mtime_option);
break;
-
+
case 'o':
args->o_option = true;
break;
-
+
case 'O':
to_stdout_option = true;
break;
-
+
case 'p':
same_permissions_option = true;
break;
-
+
case 'P':
absolute_names_option = true;
break;
-
+
case 'r':
set_subcommand_option (APPEND_SUBCOMMAND);
break;
-
+
case 'R':
/* Print block numbers for debugging bad tar archives. */
-
+
/* It would surely make sense to exchange -B and -R, but it seems
that -B has been used for a long while in Sun tar and most
BSD-derived systems. This is a consequence of the block/record
terminology confusion. */
-
+
block_number_option = true;
break;
-
+
case 's':
/* Names to extract are sorted. */
-
+
same_order_option = true;
break;
-
+
case 'S':
sparse_option = true;
break;
-
+
+ case SKIP_OLD_FILES_OPTION:
+ old_files_option = SKIP_OLD_FILES;
+ break;
+
case SPARSE_VERSION_OPTION:
sparse_option = true;
{
@@ -1605,58 +1587,57 @@ parse_opt (int key, char *arg, struct argp_state *state)
}
}
break;
-
+
case 't':
set_subcommand_option (LIST_SUBCOMMAND);
verbose_option++;
break;
-
+
case TEST_LABEL_OPTION:
- set_subcommand_option (LIST_SUBCOMMAND);
- test_label_option = true;
+ set_subcommand_option (TEST_LABEL_SUBCOMMAND);
break;
-
+
case 'T':
- update_argv (arg, state);
+ name_add_file (arg, filename_terminator);
/* Indicate we've been given -T option. This is for backward
compatibility only, so that `tar cfT archive /dev/null will
succeed */
files_from_option = true;
break;
-
+
case 'u':
set_subcommand_option (UPDATE_SUBCOMMAND);
break;
-
+
case 'U':
old_files_option = UNLINK_FIRST_OLD_FILES;
break;
-
+
case UTC_OPTION:
utc_option = true;
break;
-
+
case 'v':
verbose_option++;
warning_option |= WARN_VERBOSE_WARNINGS;
break;
-
+
case 'V':
volume_label_option = arg;
break;
-
+
case 'w':
interactive_option = true;
break;
-
+
case 'W':
verify_option = true;
break;
-
+
case 'x':
set_subcommand_option (EXTRACT_SUBCOMMAND);
break;
-
+
case 'X':
if (add_exclude_file (add_exclude, excluded, arg,
MAKE_EXCL_OPTIONS (args), '\n')
@@ -1666,19 +1647,19 @@ parse_opt (int key, char *arg, struct argp_state *state)
FATAL_ERROR ((0, e, "%s", quotearg_colon (arg)));
}
break;
-
+
case 'z':
set_use_compress_program_option (GZIP_PROGRAM);
break;
-
+
case 'Z':
set_use_compress_program_option (COMPRESS_PROGRAM);
break;
-
+
case ANCHORED_OPTION:
args->matching_flags |= EXCLUDE_ANCHORED;
break;
-
+
case ATIME_PRESERVE_OPTION:
atime_preserve_option =
(arg
@@ -1690,20 +1671,20 @@ parse_opt (int key, char *arg, struct argp_state *state)
_("--atime-preserve='system' is not supported"
" on this platform")));
break;
-
+
case CHECK_DEVICE_OPTION:
check_device_option = true;
break;
-
+
case NO_CHECK_DEVICE_OPTION:
check_device_option = false;
break;
-
+
case CHECKPOINT_OPTION:
if (arg)
{
char *p;
-
+
if (*arg == '.')
{
checkpoint_compile_action (".");
@@ -1717,110 +1698,115 @@ parse_opt (int key, char *arg, struct argp_state *state)
else
checkpoint_option = DEFAULT_CHECKPOINT;
break;
-
+
case CHECKPOINT_ACTION_OPTION:
checkpoint_compile_action (arg);
break;
-
+
case BACKUP_OPTION:
backup_option = true;
if (arg)
args->version_control_string = arg;
break;
-
+
case DELAY_DIRECTORY_RESTORE_OPTION:
delay_directory_restore_option = true;
break;
-
+
case NO_DELAY_DIRECTORY_RESTORE_OPTION:
delay_directory_restore_option = false;
break;
-
+
case DELETE_OPTION:
set_subcommand_option (DELETE_SUBCOMMAND);
break;
-
+
case EXCLUDE_BACKUPS_OPTION:
- add_exclude_array (backup_file_table);
+ add_exclude_array (backup_file_table, EXCLUDE_WILDCARDS);
break;
-
+
case EXCLUDE_OPTION:
add_exclude (excluded, arg, MAKE_EXCL_OPTIONS (args));
break;
-
+
case EXCLUDE_CACHES_OPTION:
add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_contents,
cachedir_file_p);
break;
-
+
case EXCLUDE_CACHES_UNDER_OPTION:
add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_under,
cachedir_file_p);
break;
-
+
case EXCLUDE_CACHES_ALL_OPTION:
add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_all,
cachedir_file_p);
break;
-
+
case EXCLUDE_TAG_OPTION:
add_exclusion_tag (arg, exclusion_tag_contents, NULL);
break;
-
+
case EXCLUDE_TAG_UNDER_OPTION:
add_exclusion_tag (arg, exclusion_tag_under, NULL);
break;
-
+
case EXCLUDE_TAG_ALL_OPTION:
add_exclusion_tag (arg, exclusion_tag_all, NULL);
break;
-
+
case EXCLUDE_VCS_OPTION:
- add_exclude_array (vcs_file_table);
+ add_exclude_array (vcs_file_table, 0);
break;
-
+
case FORCE_LOCAL_OPTION:
force_local_option = true;
break;
-
+
case 'H':
set_archive_format (arg);
break;
-
+
case INDEX_FILE_OPTION:
index_file_name = arg;
break;
-
+
case IGNORE_CASE_OPTION:
args->matching_flags |= FNM_CASEFOLD;
break;
-
+
case IGNORE_COMMAND_ERROR_OPTION:
ignore_command_error_option = true;
break;
-
+
case IGNORE_FAILED_READ_OPTION:
ignore_failed_read_option = true;
break;
-
+
+ case KEEP_DIRECTORY_SYMLINK_OPTION:
+ keep_directory_symlink_option = true;
+ break;
+
case KEEP_NEWER_FILES_OPTION:
old_files_option = KEEP_NEWER_FILES;
break;
-
+
case GROUP_OPTION:
- if (! (strlen (arg) < GNAME_FIELD_SIZE
- && gname_to_gid (arg, &group_option)))
- {
- uintmax_t g;
- if (xstrtoumax (arg, 0, 10, &g, "") == LONGINT_OK
- && g == (gid_t) g)
- group_option = g;
- else
- FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
- _("Invalid group")));
- }
+ {
+ uintmax_t u = parse_owner_group (arg, TYPE_MAXIMUM (gid_t),
+ &group_name_option);
+ if (u == UINTMAX_MAX)
+ {
+ group_option = -1;
+ if (group_name_option)
+ gname_to_gid (group_name_option, &group_option);
+ }
+ else
+ group_option = u;
+ }
break;
-
+
case MODE_OPTION:
mode_option = mode_compile (arg);
if (!mode_option)
@@ -1828,49 +1814,49 @@ parse_opt (int key, char *arg, struct argp_state *state)
initial_umask = umask (0);
umask (initial_umask);
break;
-
+
case NO_ANCHORED_OPTION:
args->include_anchored = 0; /* Clear the default for comman line args */
args->matching_flags &= ~ EXCLUDE_ANCHORED;
break;
-
+
case NO_IGNORE_CASE_OPTION:
args->matching_flags &= ~ FNM_CASEFOLD;
break;
-
+
case NO_IGNORE_COMMAND_ERROR_OPTION:
ignore_command_error_option = false;
break;
-
+
case NO_OVERWRITE_DIR_OPTION:
old_files_option = NO_OVERWRITE_DIR_OLD_FILES;
break;
-
+
case NO_QUOTE_CHARS_OPTION:
for (;*arg; arg++)
set_char_quoting (NULL, *arg, 0);
break;
-
+
case NO_WILDCARDS_OPTION:
args->wildcards = disable_wildcards;
break;
-
+
case NO_WILDCARDS_MATCH_SLASH_OPTION:
args->matching_flags |= FNM_FILE_NAME;
break;
-
+
case NULL_OPTION:
filename_terminator = '\0';
break;
-
+
case NO_NULL_OPTION:
filename_terminator = '\n';
break;
-
+
case NUMERIC_OWNER_OPTION:
numeric_owner_option = true;
break;
-
+
case OCCURRENCE_OPTION:
if (!arg)
occurrence_option = 1;
@@ -1884,38 +1870,43 @@ parse_opt (int key, char *arg, struct argp_state *state)
_("Invalid number")));
}
break;
-
+
+ case OLD_ARCHIVE_OPTION:
+ set_archive_format ("v7");
+ break;
+
case OVERWRITE_DIR_OPTION:
old_files_option = DEFAULT_OLD_FILES;
break;
-
+
case OVERWRITE_OPTION:
old_files_option = OVERWRITE_OLD_FILES;
break;
-
+
case OWNER_OPTION:
- if (! (strlen (arg) < UNAME_FIELD_SIZE
- && uname_to_uid (arg, &owner_option)))
- {
- uintmax_t u;
- if (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK
- && u == (uid_t) u)
- owner_option = u;
- else
- FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
- _("Invalid owner")));
- }
+ {
+ uintmax_t u = parse_owner_group (arg, TYPE_MAXIMUM (uid_t),
+ &owner_name_option);
+ if (u == UINTMAX_MAX)
+ {
+ owner_option = -1;
+ if (owner_name_option)
+ uname_to_uid (owner_name_option, &owner_option);
+ }
+ else
+ owner_option = u;
+ }
break;
-
+
case QUOTE_CHARS_OPTION:
for (;*arg; arg++)
set_char_quoting (NULL, *arg, 1);
break;
-
+
case QUOTING_STYLE_OPTION:
tar_set_quoting_style (arg);
break;
-
+
case PAX_OPTION:
{
char *tmp = expand_pax_option (args, arg);
@@ -1924,11 +1915,11 @@ parse_opt (int key, char *arg, struct argp_state *state)
free (tmp);
}
break;
-
+
case POSIX_OPTION:
set_archive_format ("posix");
break;
-
+
case PRESERVE_OPTION:
/* FIXME: What it is good for? */
same_permissions_option = true;
@@ -1936,11 +1927,12 @@ parse_opt (int key, char *arg, struct argp_state *state)
WARN ((0, 0, _("The --preserve option is deprecated, "
"use --preserve-permissions --preserve-order instead")));
break;
-
+
case RECORD_SIZE_OPTION:
{
uintmax_t u;
- if (! (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK
+
+ if (! (xstrtoumax (arg, NULL, 10, &u, TAR_SIZE_SUFFIXES) == LONGINT_OK
&& u == (size_t) u))
USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
_("Invalid record size")));
@@ -1951,27 +1943,27 @@ parse_opt (int key, char *arg, struct argp_state *state)
blocking_factor = record_size / BLOCKSIZE;
}
break;
-
+
case RECURSIVE_UNLINK_OPTION:
recursive_unlink_option = true;
break;
-
+
case REMOVE_FILES_OPTION:
remove_files_option = true;
break;
-
+
case RESTRICT_OPTION:
restrict_option = true;
break;
-
+
case RMT_COMMAND_OPTION:
rmt_command = arg;
break;
-
+
case RSH_COMMAND_OPTION:
rsh_command_option = arg;
break;
-
+
case SHOW_DEFAULTS_OPTION:
{
char *s = format_default_settings ();
@@ -1980,7 +1972,12 @@ parse_opt (int key, char *arg, struct argp_state *state)
free (s);
exit (0);
}
-
+
+ case SHOW_SNAPSHOT_FIELD_RANGES_OPTION:
+ show_snapshot_field_ranges ();
+ close_stdout ();
+ exit (0);
+
case STRIP_COMPONENTS_OPTION:
{
uintmax_t u;
@@ -2050,6 +2047,38 @@ parse_opt (int key, char *arg, struct argp_state *state)
same_permissions_option = -1;
break;
+ case ACLS_OPTION:
+ set_archive_format ("posix");
+ acls_option = 1;
+ break;
+
+ case NO_ACLS_OPTION:
+ acls_option = -1;
+ break;
+
+ case SELINUX_CONTEXT_OPTION:
+ set_archive_format ("posix");
+ selinux_context_option = 1;
+ break;
+
+ case NO_SELINUX_CONTEXT_OPTION:
+ selinux_context_option = -1;
+ break;
+
+ case XATTR_OPTION:
+ set_archive_format ("posix");
+ xattrs_option = 1;
+ break;
+
+ case NO_XATTR_OPTION:
+ xattrs_option = -1;
+ break;
+
+ case XATTR_INCLUDE:
+ case XATTR_EXCLUDE:
+ xattrs_mask_add (arg, (key == XATTR_INCLUDE));
+ break;
+
case RECURSION_OPTION:
recursion_option = FNM_LEADING_DIR;
break;
@@ -2069,7 +2098,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
case WARNING_OPTION:
set_warning_option (arg);
break;
-
+
case '0':
case '1':
case '2':
@@ -2113,7 +2142,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
break;
default:
- argp_error (state, _("Unknown density: `%c'"), arg[0]);
+ argp_error (state, _("Unknown density: '%c'"), arg[0]);
}
sprintf (cursor, "%d", device);
@@ -2130,7 +2159,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
#else /* not DEVICE_PREFIX */
argp_error (state,
- _("Options `-[0-7][lmh]' not supported by *this* tar"));
+ _("Options '-[0-7][lmh]' not supported by *this* tar"));
#endif /* not DEVICE_PREFIX */
@@ -2179,15 +2208,40 @@ static const char *tar_authors[] = {
"Jay Fenlason",
NULL
};
+
+/* Subcommand classes */
+#define SUBCL_READ 0x01 /* subcommand reads from the archive */
+#define SUBCL_WRITE 0x02 /* subcommand writes to the archive */
+#define SUBCL_UPDATE 0x04 /* subcommand updates existing archive */
+#define SUBCL_TEST 0x08 /* subcommand tests archive header or meta-info */
+#define SUBCL_OCCUR 0x10 /* subcommand allows the use of the occurrence
+ option */
+
+static int subcommand_class[] = {
+ /* UNKNOWN_SUBCOMMAND */ 0,
+ /* APPEND_SUBCOMMAND */ SUBCL_WRITE|SUBCL_UPDATE,
+ /* CAT_SUBCOMMAND */ SUBCL_WRITE,
+ /* CREATE_SUBCOMMAND */ SUBCL_WRITE,
+ /* DELETE_SUBCOMMAND */ SUBCL_WRITE|SUBCL_UPDATE|SUBCL_OCCUR,
+ /* DIFF_SUBCOMMAND */ SUBCL_READ|SUBCL_OCCUR,
+ /* EXTRACT_SUBCOMMAND */ SUBCL_READ|SUBCL_OCCUR,
+ /* LIST_SUBCOMMAND */ SUBCL_READ|SUBCL_OCCUR,
+ /* UPDATE_SUBCOMMAND */ SUBCL_WRITE|SUBCL_UPDATE,
+ /* TEST_LABEL_SUBCOMMAND */ SUBCL_TEST
+};
+
+/* Return t if the subcommand_option is in class(es) f */
+#define IS_SUBCOMMAND_CLASS(f) (subcommand_class[subcommand_option] & (f))
+
+static struct tar_args args;
static void
decode_options (int argc, char **argv)
{
int idx;
- struct tar_args args;
argp_version_setup ("tar", tar_authors);
-
+
/* Set some default option values. */
args.textual_date = NULL;
args.wildcards = default_wildcards;
@@ -2199,7 +2253,7 @@ decode_options (int argc, char **argv)
args.version_control_string = 0;
args.input_files = false;
args.compress_autodetect = false;
-
+
subcommand_option = UNKNOWN_SUBCOMMAND;
archive_format = DEFAULT_FORMAT;
blocking_factor = DEFAULT_BLOCKING;
@@ -2212,15 +2266,15 @@ decode_options (int argc, char **argv)
tar_sparse_major = 1;
tar_sparse_minor = 0;
- owner_option = -1;
- group_option = -1;
+ owner_option = -1; owner_name_option = NULL;
+ group_option = -1; group_name_option = NULL;
check_device_option = true;
incremental_level = -1;
seek_option = -1;
-
+
/* Convert old-style tar call by exploding option element and rearranging
options accordingly. */
@@ -2261,7 +2315,7 @@ decode_options (int argc, char **argv)
if (in < argv + argc)
*out++ = *in++;
else
- USAGE_ERROR ((0, 0, _("Old option `%c' requires an argument."),
+ USAGE_ERROR ((0, 0, _("Old option '%c' requires an argument."),
*letter));
}
}
@@ -2285,7 +2339,6 @@ decode_options (int argc, char **argv)
if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER, &idx, &args))
exit (TAREXIT_FAILURE);
-
/* Special handling for 'o' option:
GNU tar used to say "output old format".
@@ -2343,14 +2396,15 @@ decode_options (int argc, char **argv)
if (!args.input_files)
USAGE_ERROR ((0, 0,
_("--occurrence is meaningless without a file list")));
- if (subcommand_option != DELETE_SUBCOMMAND
- && subcommand_option != DIFF_SUBCOMMAND
- && subcommand_option != EXTRACT_SUBCOMMAND
- && subcommand_option != LIST_SUBCOMMAND)
- USAGE_ERROR ((0, 0,
- _("--occurrence cannot be used in the requested operation mode")));
+ if (!IS_SUBCOMMAND_CLASS (SUBCL_OCCUR))
+ USAGE_ERROR ((0, 0,
+ _("--occurrence cannot be used with %s"),
+ subcommand_string (subcommand_option)));
}
+ if (one_top_level_option && absolute_names_option)
+ USAGE_ERROR ((0, 0, _("--one-top-level cannot be used with --absolute-names")));
+
if (archive_names == 0)
{
/* If no archive file name given, try TAPE from the environment, or
@@ -2362,11 +2416,11 @@ decode_options (int argc, char **argv)
archive_name_array[0] = DEFAULT_ARCHIVE;
}
- /* Allow multiple archives only with `-M'. */
+ /* Allow multiple archives only with '-M'. */
if (archive_names > 1 && !multi_volume_option)
USAGE_ERROR ((0, 0,
- _("Multiple archive files require `-M' option")));
+ _("Multiple archive files require '-M' option")));
if (listed_incremental_option
&& NEWER_OPTION_INITIALIZED (newer_mtime_option))
@@ -2375,7 +2429,7 @@ decode_options (int argc, char **argv)
if (incremental_level != -1 && !listed_incremental_option)
WARN ((0, 0,
_("--level is meaningless without --listed-incremental")));
-
+
if (volume_label_option)
{
if (archive_format == GNU_FORMAT || archive_format == OLDGNU_FORMAT)
@@ -2407,15 +2461,16 @@ decode_options (int argc, char **argv)
USAGE_ERROR ((0, 0, _("Cannot verify multi-volume archives")));
if (use_compress_program_option)
USAGE_ERROR ((0, 0, _("Cannot verify compressed archives")));
+ if (!IS_SUBCOMMAND_CLASS (SUBCL_WRITE))
+ USAGE_ERROR ((0, 0, _("--verify cannot be used with %s"),
+ subcommand_string (subcommand_option)));
}
if (use_compress_program_option)
{
if (multi_volume_option)
USAGE_ERROR ((0, 0, _("Cannot use multi-volume compressed archives")));
- if (subcommand_option == UPDATE_SUBCOMMAND
- || subcommand_option == APPEND_SUBCOMMAND
- || subcommand_option == DELETE_SUBCOMMAND)
+ if (IS_SUBCOMMAND_CLASS (SUBCL_UPDATE))
USAGE_ERROR ((0, 0, _("Cannot update compressed archives")));
if (subcommand_option == CAT_SUBCOMMAND)
USAGE_ERROR ((0, 0, _("Cannot concatenate compressed archives")));
@@ -2427,17 +2482,51 @@ decode_options (int argc, char **argv)
--gray */
if (args.pax_option
&& archive_format != POSIX_FORMAT
- && (subcommand_option != EXTRACT_SUBCOMMAND
- || subcommand_option != DIFF_SUBCOMMAND
- || subcommand_option != LIST_SUBCOMMAND))
+ && !IS_SUBCOMMAND_CLASS (SUBCL_READ))
USAGE_ERROR ((0, 0, _("--pax-option can be used only on POSIX archives")));
+ /* star creates non-POSIX typed archives with xattr support, so allow the
+ extra headers when reading */
+ if ((acls_option > 0)
+ && archive_format != POSIX_FORMAT
+ && !IS_SUBCOMMAND_CLASS (SUBCL_READ))
+ USAGE_ERROR ((0, 0, _("--acls can be used only on POSIX archives")));
+
+ if ((selinux_context_option > 0)
+ && archive_format != POSIX_FORMAT
+ && !IS_SUBCOMMAND_CLASS (SUBCL_READ))
+ USAGE_ERROR ((0, 0, _("--selinux can be used only on POSIX archives")));
+
+ if ((xattrs_option > 0)
+ && archive_format != POSIX_FORMAT
+ && !IS_SUBCOMMAND_CLASS (SUBCL_READ))
+ USAGE_ERROR ((0, 0, _("--xattrs can be used only on POSIX archives")));
+
+ if ((starting_file_option || same_order_option)
+ && !IS_SUBCOMMAND_CLASS (SUBCL_READ))
+ USAGE_ERROR ((0, 0,
+ _("--%s option cannot be used with %s"),
+ starting_file_option ? "starting-file" : "same-order",
+ subcommand_string (subcommand_option)));
+
/* If ready to unlink hierarchies, so we are for simpler files. */
if (recursive_unlink_option)
old_files_option = UNLINK_FIRST_OLD_FILES;
-
- if (test_label_option)
+ /* Flags for accessing files to be read from or copied into. POSIX says
+ O_NONBLOCK has unspecified effect on most types of files, but in
+ practice it never harms and sometimes helps. */
+ {
+ int base_open_flags =
+ (O_BINARY | O_CLOEXEC | O_NOCTTY | O_NONBLOCK
+ | (dereference_option ? 0 : O_NOFOLLOW)
+ | (atime_preserve_option == system_atime_preserve ? O_NOATIME : 0));
+ open_read_flags = O_RDONLY | base_open_flags;
+ open_searchdir_flags = O_SEARCH | O_DIRECTORY | base_open_flags;
+ }
+ fstatat_flags = dereference_option ? 0 : AT_SYMLINK_NOFOLLOW;
+
+ if (subcommand_option == TEST_LABEL_SUBCOMMAND)
{
/* --test-label is silent if the user has specified the label name to
compare against. */
@@ -2453,8 +2542,8 @@ decode_options (int argc, char **argv)
if (same_order_option && listed_incremental_option)
USAGE_ERROR ((0, 0, _("--preserve-order is not compatible with "
"--listed-incremental")));
-
- /* Forbid using -c with no input files whatsoever. Check that `-f -',
+
+ /* Forbid using -c with no input files whatsoever. Check that '-f -',
explicit or implied, is used correctly. */
switch (subcommand_option)
@@ -2465,13 +2554,14 @@ decode_options (int argc, char **argv)
_("Cowardly refusing to create an empty archive")));
if (args.compress_autodetect && archive_names
&& strcmp (archive_name_array[0], "-"))
- set_comression_program_by_suffix (archive_name_array[0],
- use_compress_program_option);
+ set_compression_program_by_suffix (archive_name_array[0],
+ use_compress_program_option);
break;
case EXTRACT_SUBCOMMAND:
case LIST_SUBCOMMAND:
case DIFF_SUBCOMMAND:
+ case TEST_LABEL_SUBCOMMAND:
for (archive_name_cursor = archive_name_array;
archive_name_cursor < archive_name_array + archive_names;
archive_name_cursor++)
@@ -2487,7 +2577,7 @@ decode_options (int argc, char **argv)
archive_name_cursor++)
if (!strcmp (*archive_name_cursor, "-"))
USAGE_ERROR ((0, 0,
- _("Options `-Aru' are incompatible with `-f -'")));
+ _("Options '-Aru' are incompatible with '-f -'")));
default:
break;
@@ -2498,7 +2588,7 @@ decode_options (int argc, char **argv)
{
stdlis = fopen (index_file_name, "w");
if (! stdlis)
- open_error (index_file_name);
+ open_fatal (index_file_name);
}
else
stdlis = to_stdout_option ? stderr : stdout;
@@ -2520,10 +2610,18 @@ decode_options (int argc, char **argv)
}
checkpoint_finish_compile ();
-
+
report_textual_dates (&args);
}
+void
+more_options (int argc, char **argv)
+{
+ int idx;
+ if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER,
+ &idx, &args))
+ exit (TAREXIT_FAILURE);
+}
/* Tar proper. */
@@ -2540,6 +2638,8 @@ main (int argc, char **argv)
exit_failure = TAREXIT_FAILURE;
exit_status = TAREXIT_SUCCESS;
+ error_hook = checkpoint_flush_actions;
+
filename_terminator = '\n';
set_quoting_style (0, DEFAULT_QUOTING_STYLE);
@@ -2553,16 +2653,12 @@ main (int argc, char **argv)
xmalloc (sizeof (const char *) * allocated_archive_names);
archive_names = 0;
- obstack_init (&argv_stk);
-
- /* Ensure default behavior for some signals */
- signal (SIGPIPE, SIG_DFL);
/* System V fork+wait does not work if SIGCHLD is ignored. */
signal (SIGCHLD, SIG_DFL);
/* Try to disable the ability to unlink a directory. */
priv_set_remove_linkdir ();
-
+
/* Decode options. */
decode_options (argc, argv);
@@ -2578,7 +2674,7 @@ main (int argc, char **argv)
{
case UNKNOWN_SUBCOMMAND:
USAGE_ERROR ((0, 0,
- _("You must specify one of the `-Acdtrux' options")));
+ _("You must specify one of the '-Acdtrux', '--delete' or '--test-label' options")));
case CAT_SUBCOMMAND:
case UPDATE_SUBCOMMAND:
@@ -2612,8 +2708,13 @@ main (int argc, char **argv)
diff_init ();
read_and (diff_archive);
break;
+
+ case TEST_LABEL_SUBCOMMAND:
+ test_archive_label ();
}
+ checkpoint_finish ();
+
if (totals_option)
print_total_stats ();
@@ -2626,6 +2727,7 @@ main (int argc, char **argv)
/* Dispose of allocated memory, and return. */
free (archive_name_array);
+ xattrs_clear_setup ();
name_term ();
if (exit_status == TAREXIT_FAILURE)
@@ -2645,14 +2747,40 @@ tar_stat_init (struct tar_stat_info *st)
memset (st, 0, sizeof (*st));
}
+/* Close the stream or file descriptor associated with ST, and remove
+ all traces of it from ST. Return true if successful, false (with a
+ diagnostic) otherwise. */
+bool
+tar_stat_close (struct tar_stat_info *st)
+{
+ int status = (st->dirstream ? closedir (st->dirstream)
+ : 0 < st->fd ? close (st->fd)
+ : 0);
+ st->dirstream = 0;
+ st->fd = 0;
+
+ if (status == 0)
+ return true;
+ else
+ {
+ close_diag (st->orig_file_name);
+ return false;
+ }
+}
+
void
tar_stat_destroy (struct tar_stat_info *st)
{
+ tar_stat_close (st);
+ xheader_xattr_free (st->xattr_map, st->xattr_map_size);
free (st->orig_file_name);
free (st->file_name);
free (st->link_name);
free (st->uname);
free (st->gname);
+ free (st->cntx_name);
+ free (st->acls_a_ptr);
+ free (st->acls_d_ptr);
free (st->sparse_map);
free (st->dumpdir);
xheader_destroy (&st->xhdr);