/* install - copy files and set attributes
- Copyright (C) 89, 90, 91, 1995-2002 Free Software Foundation, Inc.
+ Copyright (C) 89, 90, 91, 1995-2007 Free Software Foundation, Inc.
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
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. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by David MacKenzie <djm@gnu.ai.mit.edu> */
-#ifdef _AIX
- #pragma alloca
-#endif
-
#include <config.h>
#include <stdio.h>
#include <getopt.h>
#include <sys/types.h>
+#include <signal.h>
#include <pwd.h>
#include <grp.h>
+#include <selinux/selinux.h>
#include "system.h"
#include "backupfile.h"
#include "error.h"
#include "cp-hash.h"
#include "copy.h"
-#include "dirname.h"
-#include "makepath.h"
+#include "filenamecat.h"
+#include "mkancesdirs.h"
+#include "mkdir-p.h"
#include "modechange.h"
-#include "path-concat.h"
#include "quote.h"
+#include "quotearg.h"
+#include "savewd.h"
+#include "stat-time.h"
+#include "utimens.h"
#include "xstrtol.h"
/* The official name of this program (e.g., no `g' prefix). */
# include <sys/wait.h>
#endif
-struct passwd *getpwnam ();
-struct group *getgrnam ();
-
-#ifndef _POSIX_VERSION
-uid_t getuid ();
-gid_t getgid ();
-#endif
+static int selinux_enabled = 0;
+static bool use_default_selinux_context = true;
#if ! HAVE_ENDGRENT
# define endgrent() ((void) 0)
/* Number of bytes of a file to copy at a time. */
#define READ_SIZE (32 * 1024)
-int isdir ();
-
-int stat ();
-
-static int change_timestamps PARAMS ((const char *from, const char *to));
-static int change_attributes PARAMS ((const char *path));
-static int copy_file PARAMS ((const char *from, const char *to,
- const struct cp_options *x));
-static int install_file_to_path PARAMS ((const char *from, const char *to,
- const struct cp_options *x));
-static int install_file_in_dir PARAMS ((const char *from, const char *to_dir,
- const struct cp_options *x));
-static int install_file_in_file PARAMS ((const char *from, const char *to,
- const struct cp_options *x));
-static void get_ids PARAMS ((void));
-static void strip PARAMS ((const char *path));
-void usage PARAMS ((int status));
+static bool change_timestamps (struct stat const *from_sb, char const *to);
+static bool change_attributes (char const *name);
+static bool copy_file (const char *from, const char *to,
+ const struct cp_options *x);
+static bool install_file_in_file_parents (char const *from, char *to,
+ struct cp_options *x);
+static bool install_file_in_dir (const char *from, const char *to_dir,
+ const struct cp_options *x);
+static bool install_file_in_file (const char *from, const char *to,
+ const struct cp_options *x);
+static void get_ids (void);
+static void strip (char const *name);
+static void announce_mkdir (char const *dir, void *options);
+static int make_ancestor (char const *dir, char const *component,
+ void *options);
+void usage (int status);
/* The name this program was run with, for error messages. */
char *program_name;
/* The group ID corresponding to `group_name'. */
static gid_t group_id;
-/* The permissions to which the files will be set. The umask has
+#define DEFAULT_MODE (S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
+
+/* The file mode bits to which non-directory files will be set. The umask has
no effect. */
-static mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
+static mode_t mode = DEFAULT_MODE;
-/* If nonzero, strip executable files after copying them. */
-static int strip_files;
+/* Similar, but for directories. */
+static mode_t dir_mode = DEFAULT_MODE;
-/* If nonzero, install a directory instead of a regular file. */
-static int dir_arg;
+/* The file mode bits that the user cares about. This should be a
+ superset of DIR_MODE and a subset of CHMOD_MODE_BITS. This matters
+ for directories, since otherwise directories may keep their S_ISUID
+ or S_ISGID bits. */
+static mode_t dir_mode_bits = CHMOD_MODE_BITS;
+
+/* If true, strip executable files after copying them. */
+static bool strip_files;
+
+/* If true, install a directory instead of a regular file. */
+static bool dir_arg;
+
+/* For long options that have no equivalent short option, use a
+ non-character as a pseudo short option, starting with CHAR_MAX + 1. */
+enum
+{
+ PRESERVE_CONTEXT_OPTION = CHAR_MAX + 1
+};
static struct option const long_options[] =
{
{"backup", optional_argument, NULL, 'b'},
+ {GETOPT_SELINUX_CONTEXT_OPTION_DECL},
{"directory", no_argument, NULL, 'd'},
{"group", required_argument, NULL, 'g'},
{"mode", required_argument, NULL, 'm'},
+ {"no-target-directory", no_argument, NULL, 'T'},
{"owner", required_argument, NULL, 'o'},
{"preserve-timestamps", no_argument, NULL, 'p'},
+ {"preserve-context", no_argument, NULL, PRESERVE_CONTEXT_OPTION},
+ /* Continue silent support for --preserve_context until Jan 2008. FIXME-obs
+ After that, FIXME-obs: warn in, say, late 2008, and disable altogether
+ a year or two later. */
+ {"preserve_context", no_argument, NULL, PRESERVE_CONTEXT_OPTION},
{"strip", no_argument, NULL, 's'},
{"suffix", required_argument, NULL, 'S'},
- {"version-control", required_argument, NULL, 'V'}, /* Deprecated. FIXME. */
+ {"target-directory", required_argument, NULL, 't'},
{"verbose", no_argument, NULL, 'v'},
{GETOPT_HELP_OPTION_DECL},
{GETOPT_VERSION_OPTION_DECL},
static void
cp_option_init (struct cp_options *x)
{
- x->copy_as_regular = 1;
+ x->copy_as_regular = true;
x->dereference = DEREF_ALWAYS;
- x->unlink_dest_before_opening = 1;
- x->unlink_dest_after_failed_open = 0;
- x->hard_link = 0;
+ x->unlink_dest_before_opening = true;
+ x->unlink_dest_after_failed_open = false;
+ x->hard_link = false;
x->interactive = I_UNSPECIFIED;
- x->move_mode = 0;
- x->myeuid = geteuid ();
- x->one_file_system = 0;
- x->preserve_ownership = 0;
- x->preserve_links = 0;
- x->preserve_mode = 0;
- x->preserve_timestamps = 0;
- x->require_preserve = 0;
- x->recursive = 0;
+ x->move_mode = false;
+ x->chown_privileges = chown_privileges ();
+ x->one_file_system = false;
+ x->preserve_ownership = false;
+ x->preserve_links = false;
+ x->preserve_mode = false;
+ x->preserve_timestamps = false;
+ x->require_preserve = false;
+ x->require_preserve_context = false;
+ x->recursive = false;
x->sparse_mode = SPARSE_AUTO;
- x->symbolic_link = 0;
- x->backup_type = none;
+ x->symbolic_link = false;
+ x->backup_type = no_backups;
/* Create destination files initially writable so we can run strip on them.
Although GNU strip works fine on read-only files, some others
would fail. */
- x->set_mode = 1;
+ x->set_mode = true;
x->mode = S_IRUSR | S_IWUSR;
- x->stdin_tty = 0;
+ x->stdin_tty = false;
- x->umask_kill = 0;
- x->update = 0;
- x->verbose = 0;
- x->xstat = stat;
+ x->update = false;
+ x->preserve_security_context = false;
+ x->verbose = false;
x->dest_info = NULL;
x->src_info = NULL;
}
+/* Modify file context to match the specified policy.
+ If an error occurs the file will remain with the default directory
+ context. */
+static void
+setdefaultfilecon (char const *file)
+{
+ struct stat st;
+ security_context_t scontext = NULL;
+ if (selinux_enabled != 1)
+ {
+ /* Indicate no context found. */
+ return;
+ }
+ if (lstat (file, &st) != 0)
+ return;
+
+ /* If there's an error determining the context, or it has none,
+ return to allow default context */
+ if ((matchpathcon (file, st.st_mode, &scontext) != 0) ||
+ (strcmp (scontext, "<<none>>") == 0))
+ {
+ if (scontext != NULL)
+ freecon (scontext);
+ return;
+ }
+
+ if (lsetfilecon (file, scontext) < 0 && errno != ENOTSUP)
+ error (0, errno,
+ _("warning: %s: failed to change context to %s"),
+ quotearg_colon (file), scontext);
+
+ freecon (scontext);
+ return;
+}
+
+/* FILE is the last operand of this command. Return true if FILE is a
+ directory. But report an error there is a problem accessing FILE,
+ or if FILE does not exist but would have to refer to an existing
+ directory if it referred to anything at all. */
+
+static bool
+target_directory_operand (char const *file)
+{
+ char const *b = last_component (file);
+ size_t blen = strlen (b);
+ bool looks_like_a_dir = (blen == 0 || ISSLASH (b[blen - 1]));
+ struct stat st;
+ int err = (stat (file, &st) == 0 ? 0 : errno);
+ bool is_a_dir = !err && S_ISDIR (st.st_mode);
+ if (err && err != ENOENT)
+ error (EXIT_FAILURE, err, _("accessing %s"), quote (file));
+ if (is_a_dir < looks_like_a_dir)
+ error (EXIT_FAILURE, err, _("target %s is not a directory"), quote (file));
+ return is_a_dir;
+}
+
+/* Process a command-line file name, for the -d option. */
+static int
+process_dir (char *dir, struct savewd *wd, void *options)
+{
+ return (make_dir_parents (dir, wd,
+ make_ancestor, options,
+ dir_mode, announce_mkdir,
+ dir_mode_bits, owner_id, group_id, false)
+ ? EXIT_SUCCESS
+ : EXIT_FAILURE);
+}
+
int
main (int argc, char **argv)
{
int optc;
- int errors = 0;
+ int exit_status = EXIT_SUCCESS;
const char *specified_mode = NULL;
- int make_backups = 0;
+ bool make_backups = false;
char *backup_suffix_string;
char *version_control_string = NULL;
- int mkdir_and_install = 0;
+ bool mkdir_and_install = false;
struct cp_options x;
+ char const *target_directory = NULL;
+ bool no_target_directory = false;
int n_files;
char **file;
+ security_context_t scontext = NULL;
+ /* set iff kernel has extra selinux system calls */
+ selinux_enabled = (0 < is_selinux_enabled ());
+ initialize_main (&argc, &argv);
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
owner_name = NULL;
group_name = NULL;
- strip_files = 0;
- dir_arg = 0;
+ strip_files = false;
+ dir_arg = false;
umask (0);
/* FIXME: consider not calling getenv for SIMPLE_BACKUP_SUFFIX unless
we'll actually use backup_suffix_string. */
backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
- while ((optc = getopt_long (argc, argv, "bcsDdg:m:o:pvV:S:", long_options,
+ while ((optc = getopt_long (argc, argv, "bcsDdg:m:o:pt:TvS:Z:", long_options,
NULL)) != -1)
{
switch (optc)
{
- case 0:
- break;
-
- case 'V': /* FIXME: this is deprecated. Remove it in 2001. */
- error (0, 0,
- _("warning: --version-control (-V) is obsolete; support for\
- it\nwill be removed in some future release. Use --backup=%s instead."
- ), optarg);
- /* Fall through. */
-
case 'b':
- make_backups = 1;
+ make_backups = true;
if (optarg)
version_control_string = optarg;
break;
case 'c':
break;
case 's':
- strip_files = 1;
+ strip_files = true;
+#ifdef SIGCHLD
+ /* System V fork+wait does not work if SIGCHLD is ignored. */
+ signal (SIGCHLD, SIG_DFL);
+#endif
break;
case 'd':
- dir_arg = 1;
+ dir_arg = true;
break;
case 'D':
- mkdir_and_install = 1;
+ mkdir_and_install = true;
break;
case 'v':
- x.verbose = 1;
+ x.verbose = true;
break;
case 'g':
group_name = optarg;
owner_name = optarg;
break;
case 'p':
- x.preserve_timestamps = 1;
+ x.preserve_timestamps = true;
break;
case 'S':
- make_backups = 1;
+ make_backups = true;
backup_suffix_string = optarg;
break;
+ case 't':
+ if (target_directory)
+ error (EXIT_FAILURE, 0,
+ _("multiple target directories specified"));
+ else
+ {
+ struct stat st;
+ if (stat (optarg, &st) != 0)
+ error (EXIT_FAILURE, errno, _("accessing %s"), quote (optarg));
+ if (! S_ISDIR (st.st_mode))
+ error (EXIT_FAILURE, 0, _("target %s is not a directory"),
+ quote (optarg));
+ }
+ target_directory = optarg;
+ break;
+ case 'T':
+ no_target_directory = true;
+ break;
+
+ case PRESERVE_CONTEXT_OPTION:
+ if ( ! selinux_enabled)
+ {
+ error (0, 0, _("Warning: ignoring --preserve-context; "
+ "this kernel is not SELinux-enabled."));
+ break;
+ }
+ x.preserve_security_context = true;
+ use_default_selinux_context = false;
+ break;
+ case 'Z':
+ if ( ! selinux_enabled)
+ {
+ error (0, 0, _("Warning: ignoring --context (-Z); "
+ "this kernel is not SELinux-enabled."));
+ break;
+ }
+ scontext = optarg;
+ use_default_selinux_context = false;
+ break;
case_GETOPT_HELP_CHAR;
case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
default:
}
/* Check for invalid combinations of arguments. */
- if (dir_arg && strip_files)
+ if (dir_arg & strip_files)
error (EXIT_FAILURE, 0,
_("the strip option may not be used when installing a directory"));
+ if (dir_arg && target_directory)
+ error (EXIT_FAILURE, 0,
+ _("target directory not allowed when installing a directory"));
+
+ if (x.preserve_security_context && scontext != NULL)
+ error (EXIT_FAILURE, 0,
+ _("cannot force target context to %s and preserve it"),
+ quote (scontext));
if (backup_suffix_string)
simple_backup_suffix = xstrdup (backup_suffix_string);
x.backup_type = (make_backups
? xget_version (_("backup type"),
version_control_string)
- : none);
+ : no_backups);
+
+ if (scontext && setfscreatecon (scontext) < 0)
+ error (EXIT_FAILURE, errno,
+ _("failed to set default file creation context to %s"),
+ quote (scontext));
n_files = argc - optind;
file = argv + optind;
- if (n_files == 0 || (n_files == 1 && !dir_arg))
+ if (n_files <= ! (dir_arg || target_directory))
{
- error (0, 0, _("too few arguments"));
+ if (n_files <= 0)
+ error (0, 0, _("missing file operand"));
+ else
+ error (0, 0, _("missing destination file operand after %s"),
+ quote (file[0]));
usage (EXIT_FAILURE);
}
+ if (no_target_directory)
+ {
+ if (target_directory)
+ error (EXIT_FAILURE, 0,
+ _("Cannot combine --target-directory (-t) "
+ "and --no-target-directory (-T)"));
+ if (2 < n_files)
+ {
+ error (0, 0, _("extra operand %s"), quote (file[2]));
+ usage (EXIT_FAILURE);
+ }
+ }
+ else if (! (dir_arg || target_directory))
+ {
+ if (2 <= n_files && target_directory_operand (file[n_files - 1]))
+ target_directory = file[--n_files];
+ else if (2 < n_files)
+ error (EXIT_FAILURE, 0, _("target %s is not a directory"),
+ quote (file[n_files - 1]));
+ }
+
if (specified_mode)
{
- struct mode_change *change = mode_compile (specified_mode, 0);
- if (change == MODE_INVALID)
+ struct mode_change *change = mode_compile (specified_mode);
+ if (!change)
error (EXIT_FAILURE, 0, _("invalid mode %s"), quote (specified_mode));
- else if (change == MODE_MEMORY_EXHAUSTED)
- xalloc_die ();
- mode = mode_adjust (0, change);
+ mode = mode_adjust (0, false, 0, change, NULL);
+ dir_mode = mode_adjust (0, true, 0, change, &dir_mode_bits);
+ free (change);
}
get_ids ();
if (dir_arg)
- {
- int i;
- for (i = 0; i < n_files; i++)
- {
- errors |=
- make_path (file[i], mode, mode, owner_id, group_id, 0,
- (x.verbose ? _("creating directory %s") : NULL));
- }
- }
+ exit_status = savewd_process_files (n_files, file, process_dir, &x);
else
{
/* FIXME: it's a little gross that this initialization is
required by copy.c::copy. */
hash_init ();
- if (n_files == 2)
+ if (!target_directory)
{
- if (mkdir_and_install)
- errors = install_file_to_path (file[0], file[1], &x);
- else if (!isdir (file[1]))
- errors = install_file_in_file (file[0], file[1], &x);
- else
- errors = install_file_in_dir (file[0], file[1], &x);
+ if (! (mkdir_and_install
+ ? install_file_in_file_parents (file[0], file[1], &x)
+ : install_file_in_file (file[0], file[1], &x)))
+ exit_status = EXIT_FAILURE;
}
else
{
int i;
- const char *dest = file[n_files - 1];
- if (!isdir (dest))
- {
- error (0, 0,
- _("installing multiple files, but last argument, %s \
-is not a directory"),
- quote (dest));
- usage (EXIT_FAILURE);
- }
-
dest_info_init (&x);
- for (i = 0; i < n_files - 1; i++)
- {
- errors |= install_file_in_dir (file[i], dest, &x);
- }
+ for (i = 0; i < n_files; i++)
+ if (! install_file_in_dir (file[i], target_directory, &x))
+ exit_status = EXIT_FAILURE;
}
}
- exit (errors);
+ exit (exit_status);
}
/* Copy file FROM onto file TO, creating any missing parent directories of TO.
- Return 0 if successful, 1 if an error occurs */
+ Return true if successful. */
-static int
-install_file_to_path (const char *from, const char *to,
- const struct cp_options *x)
+static bool
+install_file_in_file_parents (char const *from, char *to,
+ struct cp_options *x)
{
- char *dest_dir;
- int fail = 0;
+ bool save_working_directory =
+ ! (IS_ABSOLUTE_FILE_NAME (from) && IS_ABSOLUTE_FILE_NAME (to));
+ int status = EXIT_SUCCESS;
- dest_dir = dir_name (to);
+ struct savewd wd;
+ savewd_init (&wd);
+ if (! save_working_directory)
+ savewd_finish (&wd);
- /* check to make sure this is a path (not install a b ) */
- if (!STREQ (dest_dir, ".")
- && !isdir (dest_dir))
+ if (mkancesdirs (to, &wd, make_ancestor, x) == -1)
{
- /* Someone will probably ask for a new option or three to specify
- owner, group, and permissions for parent directories. Remember
- that this option is intended mainly to help installers when the
- distribution doesn't provide proper install rules. */
-#define DIR_MODE (S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
- fail = make_path (dest_dir, DIR_MODE, DIR_MODE, owner_id, group_id, 0,
- (x->verbose ? _("creating directory %s") : NULL));
+ error (0, errno, _("cannot create directory %s"), to);
+ status = EXIT_FAILURE;
}
- if (fail == 0)
- fail = install_file_in_file (from, to, x);
-
- free (dest_dir);
+ if (save_working_directory)
+ {
+ int restore_result = savewd_restore (&wd, status);
+ int restore_errno = errno;
+ savewd_finish (&wd);
+ if (EXIT_SUCCESS < restore_result)
+ return false;
+ if (restore_result < 0 && status == EXIT_SUCCESS)
+ {
+ error (0, restore_errno, _("cannot create directory %s"), to);
+ return false;
+ }
+ }
- return fail;
+ return (status == EXIT_SUCCESS && install_file_in_file (from, to, x));
}
/* Copy file FROM onto file TO and give TO the appropriate
attributes.
- Return 0 if successful, 1 if an error occurs. */
+ Return true if successful. */
-static int
+static bool
install_file_in_file (const char *from, const char *to,
const struct cp_options *x)
{
- if (copy_file (from, to, x))
- return 1;
+ struct stat from_sb;
+ if (x->preserve_timestamps && stat (from, &from_sb) != 0)
+ {
+ error (0, errno, _("cannot stat %s"), quote (from));
+ return false;
+ }
+ if (! copy_file (from, to, x))
+ return false;
if (strip_files)
strip (to);
- if (change_attributes (to))
- return 1;
- if (x->preserve_timestamps)
- return change_timestamps (from, to);
- return 0;
+ if (x->preserve_timestamps && (strip_files || ! S_ISREG (from_sb.st_mode))
+ && ! change_timestamps (&from_sb, to))
+ return false;
+ return change_attributes (to);
}
/* Copy file FROM into directory TO_DIR, keeping its same name,
and give the copy the appropriate attributes.
- Return 0 if successful, 1 if not. */
+ Return true if successful. */
-static int
+static bool
install_file_in_dir (const char *from, const char *to_dir,
const struct cp_options *x)
{
- const char *from_base;
- char *to;
- int ret;
-
- from_base = base_name (from);
- to = path_concat (to_dir, from_base, NULL);
- ret = install_file_in_file (from, to, x);
+ const char *from_base = last_component (from);
+ char *to = file_name_concat (to_dir, from_base, NULL);
+ bool ret = install_file_in_file (from, to, x);
free (to);
return ret;
}
/* Copy file FROM onto file TO, creating TO if necessary.
- Return 0 if the copy is successful, 1 if not. */
+ Return true if successful. */
-static int
+static bool
copy_file (const char *from, const char *to, const struct cp_options *x)
{
- int fail;
- int nonexistent_dst = 0;
- int copy_into_self;
+ bool copy_into_self;
/* Allow installing from non-regular files like /dev/null.
Charles Karney reported that some Sun version of install allows that
- and that sendmail's installation process relies on the behavior. */
- if (isdir (from))
- {
- error (0, 0, _("%s is a directory"), quote (from));
- return 1;
- }
+ and that sendmail's installation process relies on the behavior.
+ However, since !x->recursive, the call to "copy" will fail if FROM
+ is a directory. */
- fail = copy (from, to, nonexistent_dst, x, ©_into_self, NULL);
-
- return fail;
+ return copy (from, to, false, x, ©_into_self, NULL);
}
-/* Set the attributes of file or directory PATH.
- Return 0 if successful, 1 if not. */
+/* Set the attributes of file or directory NAME.
+ Return true if successful. */
-static int
-change_attributes (const char *path)
+static bool
+change_attributes (char const *name)
{
- int err = 0;
-
+ bool ok = false;
/* chown must precede chmod because on some systems,
chown clears the set[ug]id bits for non-superusers,
resulting in incorrect permissions.
the install command is that the file is supposed to end up with
precisely the attributes that the user specified (or defaulted).
If the file doesn't end up with the group they asked for, they'll
- want to know. But AFS returns EPERM when you try to change a
- file's group; thus the kludge. */
+ want to know. */
- if (chown (path, owner_id, group_id)
-#ifdef AFS
- && errno != EPERM
-#endif
- )
- {
- error (0, errno, "cannot change ownership of %s", quote (path));
- err = 1;
- }
+ if (! (owner_id == (uid_t) -1 && group_id == (gid_t) -1)
+ && chown (name, owner_id, group_id) != 0)
+ error (0, errno, _("cannot change ownership of %s"), quote (name));
+ else if (chmod (name, mode) != 0)
+ error (0, errno, _("cannot change permissions of %s"), quote (name));
+ else
+ ok = true;
- if (!err && chmod (path, mode))
- {
- error (0, errno, "cannot change permissions of %s", quote (path));
- err = 1;
- }
+ if (use_default_selinux_context)
+ setdefaultfilecon (name);
- return err;
+ return ok;
}
/* Set the timestamps of file TO to match those of file FROM.
- Return 0 if successful, 1 if not. */
+ Return true if successful. */
-static int
-change_timestamps (const char *from, const char *to)
+static bool
+change_timestamps (struct stat const *from_sb, char const *to)
{
- struct stat stb;
- struct utimbuf utb;
+ struct timespec timespec[2];
+ timespec[0] = get_stat_atime (from_sb);
+ timespec[1] = get_stat_mtime (from_sb);
- if (stat (from, &stb))
- {
- error (0, errno, _("cannot obtain time stamps for %s"), quote (from));
- return 1;
- }
-
- /* There's currently no interface to set file timestamps with
- better than 1-second resolution, so discard any fractional
- part of the source timestamp. */
-
- utb.actime = stb.st_atime;
- utb.modtime = stb.st_mtime;
- if (utime (to, &utb))
+ if (utimens (to, timespec))
{
error (0, errno, _("cannot set time stamps for %s"), quote (to));
- return 1;
+ return false;
}
- return 0;
+ return true;
}
-/* Strip the symbol table from the file PATH.
+/* Strip the symbol table from the file NAME.
We could dig the magic number out of the file first to
determine whether to strip it, but the header files and
magic numbers vary so much from system to system that making
it portable would be very difficult. Not worth the effort. */
static void
-strip (const char *path)
+strip (char const *name)
{
int status;
pid_t pid = fork ();
error (EXIT_FAILURE, errno, _("fork system call failed"));
break;
case 0: /* Child. */
- execlp ("strip", "strip", path, NULL);
+ execlp ("strip", "strip", name, NULL);
error (EXIT_FAILURE, errno, _("cannot run strip"));
break;
default: /* Parent. */
- /* Parent process. */
- while (pid != wait (&status)) /* Wait for kid to finish. */
- /* Do nothing. */ ;
- if (status)
- error (EXIT_FAILURE, 0, _("strip failed"));
+ if (waitpid (pid, &status, 0) < 0)
+ error (EXIT_FAILURE, errno, _("waiting for strip"));
+ else if (! WIFEXITED (status) || WEXITSTATUS (status))
+ error (EXIT_FAILURE, 0, _("strip process terminated abnormally"));
break;
}
}
group_id = (gid_t) -1;
}
+/* Report that directory DIR was made, if OPTIONS requests this. */
+static void
+announce_mkdir (char const *dir, void *options)
+{
+ struct cp_options const *x = options;
+ if (x->verbose)
+ error (0, 0, _("creating directory %s"), quote (dir));
+}
+
+/* Make ancestor directory DIR, whose last file name component is
+ COMPONENT, with options OPTIONS. Assume the working directory is
+ COMPONENT's parent. */
+static int
+make_ancestor (char const *dir, char const *component, void *options)
+{
+ int r = mkdir (component, DEFAULT_MODE);
+ if (r == 0)
+ announce_mkdir (dir, options);
+ return r;
+}
+
void
usage (int status)
{
- if (status != 0)
+ if (status != EXIT_SUCCESS)
fprintf (stderr, _("Try `%s --help' for more information.\n"),
program_name);
else
{
printf (_("\
-Usage: %s [OPTION]... SOURCE DEST (1st format)\n\
- or: %s [OPTION]... SOURCE... DIRECTORY (2nd format)\n\
- or: %s -d [OPTION]... DIRECTORY... (3rd format)\n\
+Usage: %s [OPTION]... [-T] SOURCE DEST\n\
+ or: %s [OPTION]... SOURCE... DIRECTORY\n\
+ or: %s [OPTION]... -t DIRECTORY SOURCE...\n\
+ or: %s [OPTION]... -d DIRECTORY...\n\
"),
- program_name, program_name, program_name);
+ program_name, program_name, program_name, program_name);
fputs (_("\
-In the first two formats, copy SOURCE to DEST or multiple SOURCE(s) to\n\
+In the first three forms, copy SOURCE to DEST or multiple SOURCE(s) to\n\
the existing DIRECTORY, while setting permission modes and owner/group.\n\
-In the third format, create all components of the given DIRECTORY(ies).\n\
+In the 4th form, create all components of the given DIRECTORY(ies).\n\
\n\
"), stdout);
fputs (_("\
Mandatory arguments to long options are mandatory for short options too.\n\
"), stdout);
fputs (_("\
- --backup[=CONTROL] make a backup of each existing destination file\n\
+ --backup[=CONTROL] make a backup of each existing destination file\n\
-b like --backup but does not accept an argument\n\
-c (ignored)\n\
-d, --directory treat all arguments as directory names; create all\n\
"), stdout);
fputs (_("\
-D create all leading components of DEST except the last,\n\
- then copy SOURCE to DEST; useful in the 1st format\n\
+ then copy SOURCE to DEST\n\
-g, --group=GROUP set group ownership, instead of process' current group\n\
-m, --mode=MODE set permission mode (as in chmod), instead of rwxr-xr-x\n\
-o, --owner=OWNER set ownership (super-user only)\n\
fputs (_("\
-p, --preserve-timestamps apply access/modification times of SOURCE files\n\
to corresponding destination files\n\
- -s, --strip strip symbol tables, only for 1st and 2nd formats\n\
- -S, --suffix=SUFFIX override the usual backup suffix\n\
+ -s, --strip strip symbol tables\n\
+ -S, --suffix=SUFFIX override the usual backup suffix\n\
+ -t, --target-directory=DIRECTORY copy all SOURCE arguments into DIRECTORY\n\
+ -T, --no-target-directory treat DEST as a normal file\n\
-v, --verbose print the name of each directory as it is created\n\
"), stdout);
+ fputs (_("\
+ --preserve-context preserve SELinux security context\n\
+ -Z, --context=CONTEXT set SELinux security context of files and directories\n\
+"), stdout);
+
fputs (HELP_OPTION_DESCRIPTION, stdout);
fputs (VERSION_OPTION_DESCRIPTION, stdout);
fputs (_("\
existing, nil numbered if numbered backups exist, simple otherwise\n\
simple, never always make simple backups\n\
"), stdout);
- printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+ emit_bug_reporting_address ();
}
exit (status);
}
projects / platform / upstream / coreutils.git / blobdiff