+
+/* Copy file FROM onto file TO and give TO the appropriate
+ attributes.
+ Return true if successful. */
+
+static bool
+install_file_in_file (const char *from, const char *to,
+ const struct cp_options *x)
+{
+ 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 (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 onto file TO, creating any missing parent directories of TO.
+ Return true if successful. */
+
+static bool
+install_file_in_file_parents (char const *from, char *to,
+ struct cp_options *x)
+{
+ bool save_working_directory =
+ ! (IS_ABSOLUTE_FILE_NAME (from) && IS_ABSOLUTE_FILE_NAME (to));
+ int status = EXIT_SUCCESS;
+
+ struct savewd wd;
+ savewd_init (&wd);
+ if (! save_working_directory)
+ savewd_finish (&wd);
+
+ if (mkancesdirs (to, &wd, make_ancestor, x) == -1)
+ {
+ error (0, errno, _("cannot create directory %s"), to);
+ status = EXIT_FAILURE;
+ }
+
+ 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 (status == EXIT_SUCCESS && install_file_in_file (from, to, x));
+}
+
+/* Copy file FROM into directory TO_DIR, keeping its same name,
+ and give the copy the appropriate attributes.
+ Return true if successful. */
+
+static bool
+install_file_in_dir (const char *from, const char *to_dir,
+ const struct cp_options *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;
+}
+
+int
+main (int argc, char **argv)
+{
+ int optc;
+ int exit_status = EXIT_SUCCESS;
+ const char *specified_mode = NULL;
+ bool make_backups = false;
+ char *backup_suffix_string;
+ char *version_control_string = NULL;
+ bool mkdir_and_install = false;
+ struct cp_options x;
+ char const *target_directory = NULL;
+ bool no_target_directory = false;
+ int n_files;
+ char **file;
+ bool strip_program_specified = false;
+ security_context_t scontext = NULL;
+ /* set iff kernel has extra selinux system calls */
+ selinux_enabled = (0 < is_selinux_enabled ());
+
+ initialize_main (&argc, &argv);
+ set_program_name (argv[0]);
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ atexit (close_stdin);
+
+ cp_option_init (&x);
+
+ owner_name = NULL;
+ group_name = NULL;
+ 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, "bcCsDdg:m:o:pt:TvS:Z:", long_options,
+ NULL)) != -1)
+ {
+ switch (optc)
+ {
+ case 'b':
+ make_backups = true;
+ if (optarg)
+ version_control_string = optarg;
+ break;
+ case 'c':
+ break;
+ case 'C':
+ copy_only_if_needed = true;
+ break;
+ case 's':
+ strip_files = true;
+#ifdef SIGCHLD
+ /* System V fork+wait does not work if SIGCHLD is ignored. */
+ signal (SIGCHLD, SIG_DFL);
+#endif
+ break;
+ case STRIP_PROGRAM_OPTION:
+ strip_program = xstrdup (optarg);
+ strip_program_specified = true;
+ break;
+ case 'd':
+ dir_arg = true;
+ break;
+ case 'D':
+ mkdir_and_install = true;
+ break;
+ case 'v':
+ x.verbose = true;
+ break;
+ case 'g':
+ group_name = optarg;
+ break;
+ case 'm':
+ specified_mode = optarg;
+ break;
+ case 'o':
+ owner_name = optarg;
+ break;
+ case 'p':
+ x.preserve_timestamps = true;
+ break;
+ case 'S':
+ 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:
+ usage (EXIT_FAILURE);
+ }
+ }
+
+ /* Check for invalid combinations of arguments. */
+ 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)
+ : 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 <= ! (dir_arg || target_directory))
+ {
+ 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);
+ if (!change)
+ error (EXIT_FAILURE, 0, _("invalid mode %s"), quote (specified_mode));
+ mode = mode_adjust (0, false, 0, change, NULL);
+ dir_mode = mode_adjust (0, true, 0, change, &dir_mode_bits);
+ free (change);
+ }
+
+ if (strip_program_specified && !strip_files)
+ error (0, 0, _("WARNING: ignoring --strip-program option as -s option was "
+ "not specified"));
+
+ if (copy_only_if_needed && x.preserve_timestamps)
+ {
+ error (0, 0, _("options --compare (-C) and --preserve-timestamps are "
+ "mutually exclusive"));
+ usage (EXIT_FAILURE);
+ }
+
+ if (copy_only_if_needed && strip_files)
+ {
+ error (0, 0, _("options --compare (-C) and --strip are mutually "
+ "exclusive"));
+ usage (EXIT_FAILURE);
+ }
+
+ if (copy_only_if_needed && extra_mode (mode))
+ error (0, 0, _("the --compare (-C) option is ignored when you"
+ " specify a mode with non-permission bits"));
+
+ get_ids ();
+
+ if (dir_arg)
+ 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 (!target_directory)
+ {
+ 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;
+ dest_info_init (&x);
+ for (i = 0; i < n_files; i++)
+ if (! install_file_in_dir (file[i], target_directory, &x))
+ exit_status = EXIT_FAILURE;
+ }
+ }
+
+ exit (exit_status);
+}
projects / platform / upstream / coreutils.git / blobdiff