mkisofs.c

一款功能很强的光盘镜象制作工具

			use_eltorito++;
			{
				long	val;
				char	*ptr;

				val = strtol(optarg, &ptr, 0);
				if (*ptr || val < 0 || val >= 0x10000) {
#ifdef	USE_LIBSCHILY
					comerrno(EX_BAD, "Boot image load address invalid.\n");
#else
					fprintf(stderr, "Boot image load address invalid.\n");
					exit(1);
#endif
				}
				load_addr = val;
			}
			get_boot_entry();
			current_boot_entry->load_addr = load_addr;
			break;
		case OPTION_BOOT_LOAD_SIZE:
			use_eltorito++;
			{
				long	val;
				char	*ptr;

				val = strtol(optarg, &ptr, 0);
				if (*ptr || val < 0 || val >= 0x10000) {
#ifdef	USE_LIBSCHILY
					comerrno(EX_BAD,
					"Boot image load size invalid.\n");
#else
					fprintf(stderr,
					"Boot image load size invalid.\n");
					exit(1);
#endif
				}
				load_size = val;
			}
			get_boot_entry();
			current_boot_entry->load_size = load_size;
			break;
		case OPTION_BOOT_INFO_TABLE:
			use_eltorito++;
			boot_info_table++;
			get_boot_entry();
			current_boot_entry->boot_info_table = 1;
			break;
#ifdef APPLE_HYB
		case OPTION_HFS_TYPE:
			deftype = optarg;
			hfs_ct++;
			if (strlen(deftype) != 4) {
#ifdef	USE_LIBSCHILY
				comerrno(EX_BAD,
				"HFS default TYPE string has illegal length.\n");
#else
				fprintf(stderr,
				"HFS default TYPE string has illegal length.\n");
				exit(1);
#endif
			};
			break;
		case OPTION_HFS_CREATOR:
			defcreator = optarg;
			hfs_ct++;
			if (strlen(defcreator) != 4) {
#ifdef	USE_LIBSCHILY
				comerrno(EX_BAD,
				"HFS default CREATOR string has illegal length.\n");
#else
				fprintf(stderr,
				"HFS default CREATOR string has illegal length.\n");
				exit(1);
#endif
			};
			break;
		case 'H':
			/*
			 * -H Reserved by POSIX.1-2001
			 * Meaning: Follow symbolic links on command line
			 * Symbolic links found by tree traversal are not
			 * followed.
			 */
			afpfile = optarg;
			hfs_last = MAP_LAST;
			break;
		case 'h':
			apple_hyb = 1;
			break;
		case 'g':
			apple_ext = 1;
			break;
		case OPTION_PROBE:
			probe = 1;
			break;
		case OPTION_MACNAME:
			use_mac_name = 1;
			break;
		case OPTION_NOMACFILES:
#ifdef	USE_LIBSCHILY
			errmsgno(EX_BAD,
			"Warning: -no-mac-files no longer used ... ignoring\n");
#else
			fprintf(stderr,
			"Warning: -no-mac-files no longer used ... ignoring\n");
#endif
			break;
		case OPTION_BOOT_HFS_FILE:
			hfs_boot_file = optarg;
		/* fall through */
		case OPTION_GEN_PT:
			gen_pt = 1;
			break;
		case OPTION_MAGIC_FILE:
			magic_file = optarg;
			hfs_last = MAG_LAST;
			break;
		case OPTION_AUTOSTART:
			autoname = optarg;
			/* gen_pt = 1; */
			break;
		case OPTION_BSIZE:
			afe_size = atoi(optarg);
			hfs_select |= DO_FEU;
			hfs_select |= DO_FEL;
			break;
		case OPTION_HFS_VOLID:
			hfs_volume_id = optarg;
			break;
		case OPTION_ROOT_INFO:
			root_info = optarg;
			/* fall through */
		case OPTION_ICON_POS:
			icon_pos = 1;
			break;
		/* Mac/Unix types to include */
		case OPTION_CAP:
			hfs_select |= DO_CAP;
			break;
		case OPTION_NETA:
			hfs_select |= DO_NETA;
			break;
		case OPTION_DBL:
			hfs_select |= DO_DBL;
			break;
		case OPTION_ESH:
		case OPTION_USH:
			hfs_select |= DO_ESH;
			break;
		case OPTION_FE:
			hfs_select |= DO_FEU;
			hfs_select |= DO_FEL;
			break;
		case OPTION_SGI:
		case OPTION_XIN:
			hfs_select |= DO_SGI;
			break;
		case OPTION_MBIN:
			hfs_select |= DO_MBIN;
			break;
		case OPTION_SGL:
			hfs_select |= DO_SGL;
			break;
		case OPTION_DAVE:
			hfs_select |= DO_DAVE;
			break;
		case OPTION_SFM:
			hfs_select |= DO_SFM;
			break;
		case OPTION_XDBL:
			hfs_select |= DO_XDBL;
			break;
		case OPTION_XHFS:
#ifdef IS_MACOS_X
			hfs_select |= DO_XHFS;
#else /* IS_MACOS_X */
#ifdef	USE_LIBSCHILY
			errmsgno(EX_BAD,
			"Warning: --osx-hfs only works on MacOS X ... ignoring\n");
#else /* USE_LIBSCHILY */
			fprintf(stderr,
			"Warning: --osx-hfs only works on MacOS X ... ignoring\n");
#endif /* USE_LIBSCHILY */
#endif /* IS_MACOS_X */
			break;
		case OPTION_CREATE_DT:
			create_dt = 0;
			break;
		case OPTION_HFS_HIDE:
			hfs_add_match(optarg);
			break;
		case OPTION_HFS_LIST:
			hfs_add_list(optarg);
			break;
		case OPTION_HFS_INPUT_CHARSET:
			use_mac_name = 1;
			hfs_icharset = optarg;
			break;
		case OPTION_HFS_OUTPUT_CHARSET:
			hfs_ocharset = optarg;
			break;
		case OPTION_HFS_UNLOCK:
			hfs_lock = 0;
			break;
		case OPTION_HFS_BLESS:
			hfs_bless = optarg;
			break;
		case OPTION_HFS_PARMS:
			hfs_parms = strdup(optarg);
			break;
#ifdef PREP_BOOT
		case OPTION_PREP_BOOT:
			use_prep_boot++;
			if (use_prep_boot > 4) {
#ifdef	USE_LIBSCHILY
				comerrno(EX_BAD,
				"Maximum of 4 PReP boot images are allowed\n");
#else
				fprintf(stderr,
				"Maximum of 4 PReP boot images are allowed\n");
#endif
				exit(1);
			}
			/* pathname of the boot image on cd */
			prep_boot_image[use_prep_boot - 1] = optarg;
			if (prep_boot_image[use_prep_boot - 1] == NULL) {
#ifdef	USE_LIBSCHILY
				comerrno(EX_BAD,
				"Required PReP boot image pathname missing\n");
#else
				fprintf(stderr,
				"Required PReP boot image pathname missing\n");
#endif
				exit(1);
			}
			break;
#endif	/* PREP_BOOT */
#endif	/* APPLE_HYB */
		default:
			susage(1);
		}
	/*
	 * "--" was found, the next argument is a pathspec
	 */
	if (argc != optind)
		have_cmd_line_pathspec = 1;

parse_input_files:
	path_ind = optind;

	/*
	 * XXX This is a hack until we have a decent separate name handling
	 * XXX for UDF filenames.
	 */
	if (dvd_video && use_Joliet) {
		use_Joliet = 0;
		error("Warning: Disabling Joliet support for DVD-Video.\n");
	}
	if (use_udf && !use_Joliet)
		jlen = 255;

	if (warn_violate)
		error("Warning: creating filesystem that does not conform to ISO-9660.\n");
	if (iso9660_namelen > LEN_ISONAME)
		error("Warning: ISO-9660 filenames longer than %d may cause buffer overflows in the OS.\n",
			LEN_ISONAME);
	if (use_Joliet && !use_RockRidge) {
		error("Warning: creating filesystem with (nonstandard) Joliet extensions\n");
		error("         but without (standard) Rock Ridge extensions.\n");
		error("         It is highly recommended to add Rock Ridge\n");
	}
	if (transparent_compression) {
		error("Warning: using transparent compression. This is a nonstandard Rock Ridge\n");
		error("         extension. The resulting filesystem can only be transparently\n");
		error("         read on Linux. On other operating systems you need to call\n");
		error("         mkzftree by hand to decompress the files.\n");
	}
	if (transparent_compression && !use_RockRidge) {
		error("Warning: transparent decompression is a Linux Rock Ridge extension, but\n");
		error("         creating filesystem without Rock Ridge attributes; files\n");
		error("         will not be transparently decompressed.\n");
	}
	init_nls();		/* Initialize UNICODE tables */

	/* initialize code tables from a file - if they exists */
	init_nls_file(icharset);
	init_nls_file(ocharset);
#ifdef APPLE_HYB
	init_nls_file(hfs_icharset);
	init_nls_file(hfs_ocharset);
#endif /* APPLE_HYB */

	if (icharset == NULL) {
#if	(defined(__CYGWIN32__) || defined(__CYGWIN__)) && !defined(IS_CYGWIN_1)
		in_nls = load_nls("cp437");
#else
		in_nls = load_nls("iso8859-1");
#endif
	} else {
		if (strcmp(icharset, "default") == 0)
			in_nls = load_nls_default();
		else
			in_nls = load_nls(icharset);
	}
	/*
	 * set the output charset to the same as the input or the given output
	 * charset
	 */
	if (ocharset == NULL) {
		out_nls = in_nls;
	} else {
		if (strcmp(ocharset, "default") == 0)
			out_nls = load_nls_default();
		else
			out_nls = load_nls(ocharset);
	}
	if (in_nls == NULL || out_nls == NULL) { /* Unknown charset specified */
		fprintf(stderr, "Unknown charset\nKnown charsets are:\n");
		list_nls();	/* List all known charset names */
		exit(1);
	}


#ifdef APPLE_HYB
	if (hfs_icharset == NULL || strcmp(hfs_icharset, "mac-roman")) {
		hfs_inls = load_nls("cp10000");
	} else {
		if (strcmp(hfs_icharset, "default") == 0)
			hfs_inls = load_nls_default();
		else
			hfs_inls = load_nls(hfs_icharset);
	}
	if (hfs_ocharset == NULL) {
		hfs_onls = hfs_inls;
	} else {
		if (strcmp(hfs_ocharset, "default") == 0)
			hfs_onls = load_nls_default();
		else if (strcmp(hfs_ocharset, "mac-roman") == 0)
			hfs_onls = load_nls("cp10000");
		else
			hfs_onls = load_nls(hfs_ocharset);
	}

	if (hfs_inls == NULL || hfs_onls == NULL) {
		fprintf(stderr, "Unknown HFS charset\nKnown charsets are:\n");
		list_nls();
		exit(1);
	}
#endif /* APPLE_HYB */

	if (merge_image != NULL) {
		if (open_merge_image(merge_image) < 0) {
			/* Complain and die. */
#ifdef	USE_LIBSCHILY
			comerr("Unable to open previous session image %s\n",
				merge_image);
#else
			fprintf(stderr,
				"Unable to open previous session image %s\n",
				merge_image);
			exit(1);
#endif
		}
	}
	/* We don't need root privilleges anymore. */
#ifdef	HAVE_SETREUID
	if (setreuid(-1, getuid()) < 0)
#else
#ifdef	HAVE_SETEUID
	if (seteuid(getuid()) < 0)
#else
	if (setuid(getuid()) < 0)
#endif
#endif
#ifdef	USE_LIBSCHILY
		comerr("Panic cannot set back effective uid.\n");
#else
	{
		perror("Panic cannot set back effective uid.");
		exit(1);
	}
#endif


#ifdef	no_more_needed
#ifdef __NetBSD__
	{
		int		resource;
		struct rlimit	rlp;

		if (getrlimit(RLIMIT_DATA, &rlp) == -1)
			perror("Warning: getrlimit");
		else {
			rlp.rlim_cur = 33554432;
			if (setrlimit(RLIMIT_DATA, &rlp) == -1)
				perror("Warning: setrlimit");
		}
	}
#endif
#endif	/* no_more_needed */
#ifdef HAVE_SBRK
	mem_start = (unsigned long) sbrk(0);
#endif

	/*
	 * if the -hide-joliet option has been given, set the Joliet option
	 */
	if (!use_Joliet && j_ishidden())
		use_Joliet++;

#ifdef APPLE_HYB
	if (apple_hyb && apple_ext) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Can't have both -apple and -hfs options");
#else
		fprintf(stderr, "Can't have both -apple and -hfs options");
		exit(1);
#endif
	}
	/*
	 * if -probe, -macname, any hfs selection and/or mapping file is given,
	 * but no HFS option, then select apple_hyb
	 */
	if (!apple_hyb && !apple_ext) {
		if (*afpfile || probe || use_mac_name || hfs_select ||
				hfs_boot_file || magic_file ||
				hfs_ishidden() || gen_pt || autoname ||
				afe_size || icon_pos || hfs_ct ||
				hfs_icharset || hfs_ocharset) {
			apple_hyb = 1;
		}
	}
	if (apple_ext && hfs_boot_file) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Can't have -hfs-boot-file with -apple\n");
#else
		fprintf(stderr, "Can't have -hfs-boot-file with -apple\n");
		exit(1);
#endif
	}
	if (apple_ext && autoname) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Can't have -auto with -apple\n");
#else
		fprintf(stderr, "Can't have -auto with -apple\n");
		exit(1);
#endif
	}
	if (apple_hyb && use_sparcboot) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Can't have -hfs with -sparc-boot\n");
#else
		fprintf(stderr, "Can't have -hfs with -sparc-boot\n");
		exit(1);
#endif
	}
	if (apple_hyb && use_genboot) {
#ifdef	USE_LIBSCHILY
		comerrno(EX_BAD, "Can't have -hfs with -generic-boot\n");
#else
		fprintf(stderr, "Can't have -hfs with -generic-boot\n");
		exit(1);
#endif
	}
#ifdef PREP_BOOT
	if (apple_ext && use_prep_boot) {
#ifdef	USE_LIBSCHILY
		com