示例#1
0
static int extract(const char *filename, int arglen, char *args[]) {
	xar_t x;
	xar_iter_t i;
	xar_file_t f;
	int files_extracted = 0;

	x = xar_open(filename, READ);
	if( !x ) {
		fprintf(stderr, "Error opening xar archive: %s\n", filename);
		exit(1);
	}

	xar_register_errhandler(x, err_callback, NULL);

	if( Perms == SYMBOLIC ) {
		xar_opt_set(x, XAR_OPT_OWNERSHIP, XAR_OPT_VAL_SYMBOLIC);
	}
	if( Perms == NUMERIC ) {
		xar_opt_set(x, XAR_OPT_OWNERSHIP, XAR_OPT_VAL_NUMERIC);
	}
	if ( Rsize != NULL ) {
		xar_opt_set(x, XAR_OPT_RSIZE, Rsize);
	}
	
	i = xar_iter_new();
	if( !i ) {
		fprintf(stderr, "Error creating xar iterator\n");
		exit(1);
	}

	for(f = xar_file_first(x, i); f; f = xar_file_next(i)) {
		int matched = 0;
		int exclude_match = 1;
		struct lnode *i;

		char *path = xar_get_path(f);

		if( args[0] ) {
			int i;
			for(i = 0; args[i]; i++) {
				if( strcmp(path, args[i]) == 0 ) {
					matched = 1;
					break;
				}
			}
		} else {
			matched = 1;
		}

		for( i = Exclude; i; i=i->next ) {
			exclude_match = regexec(&i->reg, path, 0, NULL, 0);
			if( !exclude_match )
				break;
		}
		if( !exclude_match ) {
			if( Verbose )
				printf("Excluding %s\n", path);
			free(path);
			continue;
		}
		
		if( matched ) {
			files_extracted++;
			print_file(f);
			xar_extract(x, f);
		}
		free(path);
	}
	if( args[0] && (files_extracted == 0) ) {
		fprintf(stderr, "No files matched extraction criteria.\n");
		Err = 3;
	}

	if( Subdoc )
		extract_subdoc(x, NULL);

	xar_iter_free(i);
	if( xar_close(x) != 0 ) {
		fprintf(stderr, "Error extracting the archive\n");
		if( !Err )
			Err = 42;
	}
	return Err;
}
示例#2
0
int main(int argc, char *argv[]) {
	int ret;
	char *filename = NULL;
	char command = 0, c;
	char **args;
	const char *tocfile = NULL;
	int arglen, i, err;
	xar_t x;
	int loptind = 0;
	int required_dash_f = 0;  /* This release requires us to use -f */
	struct lnode *tmp;
	long int longtmp;
	struct option o[] = { 
		{"toc-cksum", 1, 0, 1},
		{"dump-toc", 1, 0, 'd'},
		{"compression", 1, 0, 2},
		{"list-subdocs", 0, 0, 3},
		{"help", 0, 0, 'h'},
		{"version", 0, 0, 4},
		{"dump-header", 0, 0, 5},
		{"extract-subdoc", 1, 0, 6},
		{"exclude", 1, 0, 7},
		{"rsize", 1, 0, 8},
		{"coalesce-heap", 0, 0, 9},
		{"link-same", 0, 0, 10},
		{"no-compress", 1, 0, 11},
		{"prop-include", 1, 0, 12},
		{"prop-exclude", 1, 0, 13},
		{"distribution", 0, 0, 14},
		{"keep-existing", 0, 0, 15},
		{"keep-setuid", 0, 0, 16},
		{"compression-args", 1, 0, 17},
		{ 0, 0, 0, 0}
	};

	if( argc < 2 ) {
		usage(argv[0]);
		exit(1);
	}

	while( (c = getopt_long(argc, argv, "axcC:vtjzf:hpPln:s:d:vk", o, &loptind)) != -1 ) {
		switch(c) {
		case  1 : if( !optarg ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          if( (strcmp(optarg, XAR_OPT_VAL_NONE) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_SHA1) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_MD5)  != 0) ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          Toccksum = optarg;
		
		          break;
		case  2 : if( !optarg ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          if( (strcmp(optarg, XAR_OPT_VAL_NONE) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_GZIP) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_BZIP) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_LZMA) != 0) ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          Compression = optarg;
		          break;
		case  3 : if( command && (command != 3) ) {
		          	fprintf(stderr, "Conflicting commands specified\n");
				exit(1);
		          }
			  command = 3;
			  break;
		case  4 : print_version();
		          exit(0);
		case 'd':
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			tocfile = optarg;
			command = 'd';
			break;
		case  5 : command = 5;
		          break;
		case  6 :
			SubdocName = optarg;
			asprintf(&Subdoc, "%s.xml", SubdocName);
			if( !command )
				command = 6;
			break;
		case  7 :
			tmp = malloc(sizeof(struct lnode));
			tmp->str = optarg;
			tmp->next = NULL;
			err = regcomp(&tmp->reg, tmp->str, REG_NOSUB);
			if( err ) {
				char errstr[1024];
				regerror(err, &tmp->reg, errstr, sizeof(errstr));
				printf("Error with regular expression %s: %s\n", tmp->str, errstr);
				exit(1);
			}
			if( Exclude == NULL ) {
				Exclude = tmp;
				Exclude_Tail = tmp;
			} else {
				Exclude_Tail->next = tmp;
				Exclude_Tail = tmp;
			}
			break;
		case  8 :
			if ( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			longtmp = strtol(optarg, NULL, 10);
			if( (((longtmp == LONG_MIN) || (longtmp == LONG_MAX)) && (errno == ERANGE)) || (longtmp < 1) ) {
				fprintf(stderr, "Invalid rsize value: %s\n", optarg);
				exit(5);
			}
			Rsize = optarg;
			break;
		case  9 : Coalesce = 1; break;
		case 10 : LinkSame = 1; break;
		case 11 :
			tmp = malloc(sizeof(struct lnode));
			tmp->str = optarg;
			tmp->next = NULL;
			err = regcomp(&tmp->reg, tmp->str, REG_NOSUB);
			if( err ) {
				char errstr[1024];
				regerror(err, &tmp->reg, errstr, sizeof(errstr));
				printf("Error with regular expression %s: %s\n", tmp->str, errstr);
				exit(1);
			}
			if( NoCompress == NULL ) {
				NoCompress = tmp;
				NoCompress_Tail = tmp;
			} else {
				NoCompress_Tail->next = tmp;
				NoCompress_Tail = tmp;
			}
			break;
		case 12 :
			tmp = malloc(sizeof(struct lnode));
			tmp->str = optarg;
			tmp->next = NULL;
			if( PropInclude == NULL ) {
				PropInclude = tmp;
				PropInclude_Tail = tmp;
			} else {
				PropInclude_Tail->next = tmp;
				PropInclude_Tail = tmp;
			}
			break;
		case 13 :
			tmp = malloc(sizeof(struct lnode));
			tmp->str = optarg;
			tmp->next = NULL;
			if( PropExclude == NULL ) {
				PropExclude = tmp;
				PropExclude_Tail = tmp;
			} else {
				PropExclude_Tail->next = tmp;
				PropExclude_Tail = tmp;
			}
			break;
		case 14 :
		{
			char *props[] = { "type", "data", "mode", "name" };
			int i;
			for( i = 0; i < 4; i++ ) {
				tmp = malloc(sizeof(struct lnode));
				tmp->str = strdup(props[i]);
				tmp->next = NULL;
				if( PropInclude == NULL ) {
					PropInclude = tmp;
					PropInclude_Tail = tmp;
				} else {
					PropInclude_Tail->next = tmp;
					PropInclude_Tail = tmp;
				}
			}
		}
			break;
		case 'k':
		case 15 :
			NoOverwrite++;
			break;
		case 16 :
			SaveSuid++;
			break;
		case 17 :
			CompressionArg = optarg;
			break;
		case 'C': if( !optarg ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          Chdir = optarg;
		          break;
		case 'c':
		case 'x':
		case 't':
			if( command && (command != 's') ) {
				usage(argv[0]);
				fprintf(stderr, "Conflicting command flags: %c and %c specified\n", c, command);
				exit(1);
			}
			if( c == 't' )
				List = 1;
			command = c;
			break;
		case 'a':
			Compression = "lzma";
			break;
		case 'j':
			Compression = "bzip2";
			break;
		case 'z':
			Compression = "gzip";
			break;
		case 'f':
		        required_dash_f = 1;
			filename = optarg;
			break;
		case 'p':
			Perms = SYMBOLIC;
			break;
		case 'P':
			Perms = NUMERIC;
			break;
		case 'l':
			Local = 1;
			break;
		case 'n':
			SubdocName = optarg;
			break;
		case 's':
			Subdoc = optarg;
			if( !command )
				command = 's';
			break;
		case 'v':
			Verbose++;
			break;
		case 'h':
		default:
			usage(argv[0]);
			exit(1);
		}
	}

	if (! required_dash_f)	{
		usage(argv[0]);
		fprintf(stderr, "\n -f option is REQUIRED\n");
		exit(1);
	}

	switch(command) {
		case  5 : 
		        return dump_header(filename);
		case  3 : 
			return list_subdocs(filename);
		case 'c':
			if( optind == argc ) {
				usage(argv[0]);
				fprintf(stderr, "No files to operate on.\n");
				exit(1);
			}
			arglen = argc - optind;
			args = malloc(sizeof(char*) * (arglen+1));
			memset(args, 0, sizeof(char*) * (arglen+1));
			for( i = 0; i < arglen; i++ )
				args[i] = strdup(argv[optind + i]);

			return archive(filename, arglen, args);
		case 'd':
			if( !tocfile ) {
				usage(argv[0]);
				exit(1);
			}
			return dumptoc(filename, tocfile);
		case 'x':
			arglen = argc - optind;
			args = malloc(sizeof(char*) * (arglen+1));
			for( i = 0; i < arglen; i++ )
				args[i] = strdup(argv[optind + i]);
			args[i] = NULL;
			return extract(filename, arglen, args);
		case 't':
			arglen = argc - optind;
			args = calloc(sizeof(char*) * (arglen+1),1);
			for( i = 0; i < arglen; i++ )
				args[i] = strdup(argv[optind + i]);
			ret = list(filename, arglen, args);
			for( i = 0; i < arglen; i++ )
				free(args[i]);
		case  6 :
		case 's':
			x = xar_open(filename, READ);
			if( !x ) {
				fprintf(stderr, "Error opening xar archive: %s\n", filename);
				exit(1);
			}
			xar_register_errhandler(x, err_callback, NULL);
			extract_subdoc(x, SubdocName);
			xar_close(x);
			exit(Err);
			break;
		default:
			usage(argv[0]);
			fprintf(stderr, "Unrecognized command.\n");
			exit(1);
	}

	/* unreached */
	exit(0);
}
示例#3
0
int main(int argc, char *argv[]) {
	char *filename = NULL;
	char *sig_path = NULL;
	char *cert_path = NULL;
	char command = 0, c;
	char **args;
	const char *tocfile = NULL;
	int arglen, i, err;
	xar_t x;
	int loptind = 0;
	int required_dash_f = 0;  /* This release requires us to use -f */
	struct lnode *tmp;
	long int longtmp;
	struct stat stat_struct;
	struct option o[] = { 
		{"toc-cksum", 1, 0, 1},
		{"dump-toc", 1, 0, 'd'},
		{"compression", 1, 0, 2},
		{"list-subdocs", 0, 0, 3},
		{"help", 0, 0, 'h'},
		{"version", 0, 0, 4},
		{"dump-header", 0, 0, 5},
		{"extract-subdoc", 1, 0, 6},
		{"exclude", 1, 0, 7},
		{"rsize", 1, 0, 8},
		{"coalesce-heap", 0, 0, 9},
		{"link-same", 0, 0, 10},
		{"no-compress", 1, 0, 11},
		{"sig-size", 1, 0, 12},
		{"data-to-sign", 1, 0, 13},
		{"sig-offset", 1, 0, 14},
		{"leaf-cert-loc", 1, 0, 15},
		{"intermediate-cert-loc", 1, 0, 16},
		{"extract-data-to-sign", 0, 0, 17},
		{"sign", 0, 0, 18},
		{"replace-sign", 0, 0, 19},
		{"inject-sig", 1, 0, 20},
		{"extract-certs", 1, 0, 21},
		{ 0, 0, 0, 0}
	};

	if( argc < 2 ) {
		usage(argv[0]);
		exit(1);
	}

	while( (c = getopt_long(argc, argv, "xcvtf:hpPln:s:d:v", o, &loptind)) != -1 ) {
		switch(c) {
		case  1 : if( !optarg ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          if( (strcmp(optarg, XAR_OPT_VAL_NONE) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_SHA1) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_MD5)  != 0) ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          Toccksum = optarg;
		
		          break;
		case  2 : if( !optarg ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          if( (strcmp(optarg, XAR_OPT_VAL_NONE) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_GZIP) != 0) &&
		              (strcmp(optarg, XAR_OPT_VAL_BZIP) != 0) ) {
		          	usage(argv[0]);
		          	exit(1);
		          }
		          Compression = optarg;
		          break;
		case  3 : if( command && (command != 3) ) {
		          	fprintf(stderr, "Conflicting commands specified\n");
				exit(1);
		          }
			  command = 3;
			  break;
		case  4 : print_version();
		          exit(0);
		case 'd':
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			tocfile = optarg;
			command = 'd';
			break;
		case  5 : command = 5;
		          break;
		case  6 :
			SubdocName = optarg;
			asprintf(&Subdoc, "%s.xml", SubdocName);
			if( !command )
				command = 6;
			break;
		case  7 :
			tmp = malloc(sizeof(struct lnode));
			tmp->str = optarg;
			tmp->next = NULL;
			err = regcomp(&tmp->reg, tmp->str, REG_NOSUB);
			if( err ) {
				char errstr[1024];
				regerror(err, &tmp->reg, errstr, sizeof(errstr));
				printf("Error with regular expression %s: %s\n", tmp->str, errstr);
				exit(1);
			}
			if( Exclude == NULL ) {
				Exclude = tmp;
				Exclude_Tail = tmp;
			} else {
				Exclude_Tail->next = tmp;
				Exclude_Tail = tmp;
			}
			break;
		case  8 :
			if ( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			longtmp = strtol(optarg, NULL, 10);
			if( (((longtmp == LONG_MIN) || (longtmp == LONG_MAX)) && (errno == ERANGE)) || (longtmp < 1) ) {
				fprintf(stderr, "Invalid rsize value: %s\n", optarg);
				exit(5);
			}
			Rsize = optarg;
			break;
		case  9 : Coalesce = 1; break;
		case 10 : LinkSame = 1; break;
		case 11 :
			tmp = malloc(sizeof(struct lnode));
			tmp->str = optarg;
			tmp->next = NULL;
			err = regcomp(&tmp->reg, tmp->str, REG_NOSUB);
			if( err ) {
				char errstr[1024];
				regerror(err, &tmp->reg, errstr, sizeof(errstr));
				printf("Error with regular expression %s: %s\n", tmp->str, errstr);
				exit(1);
			}
			if( NoCompress == NULL ) {
				NoCompress = tmp;
				NoCompress_Tail = tmp;
			} else {
				NoCompress_Tail->next = tmp;
				NoCompress_Tail = tmp;
			}
			break;
		case  12 : 
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			SigSize = strtol(optarg, (char **)NULL, 10);
			break;
		case  13 : 
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			DataToSignDumpPath = optarg;
			break;
		case  14 : 
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			SigOffsetDumpPath = optarg;
			break;
		case  15 : 
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			LeafCertPath = optarg;
			break;
		case  16 : 
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			IntermediateCertPath = optarg;
			break;
		case 17 :	// extract-data-to-sign
			command = 'e';
			break;
		case 18 :	// sign
			DoSign = 1;
			break;
		case 19 :	// replace-sign
			command = 'r';
			break;
		case 20 :	// inject signature
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			sig_path = optarg;
			command = 'i';
			break;
		case 21 :	// extract-certs
			if( !optarg ) {
				usage(argv[0]);
				exit(1);
			}
			cert_path = optarg;
			stat(cert_path, &stat_struct);
			if (!(stat_struct.st_mode & S_IFDIR)) {
				usage(argv[0]);
				fprintf(stderr, "%s is not a directory.\n", cert_path);
				exit(1);
			}
			command = 'j';
			break;
		case 'c':
		case 'x':
		case 't':
			if( command && (command != 's') ) {
				usage(argv[0]);
				fprintf(stderr, "Conflicting command flags: %c and %c specified\n", c, command);
				exit(1);
			}
			if( c == 't' )
				Verbose++;
			command = c;
			break;
		case 'f':
			required_dash_f = 1;
			filename = optarg;
			break;
		case 'p':
			Perms = SYMBOLIC;
			break;
		case 'P':
			Perms = NUMERIC;
			break;
		case 'l':
			Local = 1;
			break;
		case 'n':
			SubdocName = optarg;
			break;
		case 's':
			Subdoc = optarg;
			if( !command )
				command = 's';
			break;
		case 'v':
			Verbose++;
			break;
		case 'h':
		default:
			usage(argv[0]);
			exit(1);
		}
	}

	if (! required_dash_f)	{
		usage(argv[0]);
		fprintf(stderr, "\n -f option is REQUIRED\n");
		exit(1);
	}

	// extract-data-to-sign
	if ( (command == 'e') && ((!filename) || (!DataToSignDumpPath) || (!SigOffsetDumpPath)) ) {
		usage(argv[0]);
		exit(1);
	}
	
	if ( DoSign ) {
		if (  ( !SigSize || !LeafCertPath || !IntermediateCertPath ) 
			  || ((command != 'c') && (!filename)) ) {
			usage(argv[0]);
			exit(1);
		}
		if (!command)
			command = 'n';
	}

	if (command == 'r') {
		/*if ( !SigSize || !LeafCertPath || !IntermediateCertPath || !filename) {
			usage(argv[0]);
			exit(1);
		}
		xar_t x = xar_open(filename, READ);
		if ( x == NULL ) {
			fprintf(stderr, "Could not open archive %s!\n", filename);
			exit(1);
		}
		xar_signature_t sig = xar_signature_first(x);
		if ( !sig ) {
			fprintf(stderr, "No signature found to replace.\n");
			exit(E_NOSIG);
		}
		xar_close(x);*/
	}
	
	if ((command == 'i') && ((!filename) || (!sig_path))) {
		usage(argv[0]);
		exit(1);
	}

	if ((command == 'j') && (!filename)) {
		usage(argv[0]);
		exit(1);
	}
	
	switch(command) {
		case  5 : 
		        return dump_header(filename);
		case  3 : 
			return list_subdocs(filename);
		case 'c':
			if( optind == argc ) {
				usage(argv[0]);
				fprintf(stderr, "No files to operate on.\n");
				exit(1);
			}
			arglen = argc - optind;
			args = malloc(sizeof(char*) * (arglen+1));
			memset(args, 0, sizeof(char*) * (arglen+1));
			for( i = 0; i < arglen; i++ )
				args[i] = strdup(argv[optind + i]);

			return archive(filename, arglen, args);
		case 'd':
			if( !tocfile ) {
				usage(argv[0]);
				exit(1);
			}
			return dumptoc(filename, tocfile);
		case 'x':
			arglen = argc - optind;
			args = malloc(sizeof(char*) * (arglen+1));
			for( i = 0; i < arglen; i++ )
				args[i] = strdup(argv[optind + i]);
			args[i] = NULL;
			return extract(filename, arglen, args);
		case 't':
			arglen = argc - optind;
			args = malloc(sizeof(char*) * (arglen+1));
			for( i = 0; i < arglen; i++ )
				args[i] = strdup(argv[optind + i]);
			return list(filename, arglen, args);
		case  6 :
		case 's':
			x = xar_open(filename, READ);
			if( !x ) {
				fprintf(stderr, "Error opening xar archive: %s\n", filename);
				exit(1);
			}
			xar_register_errhandler(x, err_callback, NULL);
			extract_subdoc(x, SubdocName);
			xar_close(x);
			exit(Err);
			break;
		case 'e':
			extract_data_to_sign(filename);
			exit(Err);
		case 'r':
			replace_sign(filename);
			exit(Err);
		case 'i':
			inject_signature(filename, sig_path);
			exit(Err);
		case 'n':
			belated_sign(filename);
			exit(Err);
		case 'j':
			extract_certs(filename, cert_path);
			exit(Err);
		default:
			usage(argv[0]);
			fprintf(stderr, "Unrecognized command.\n");
			exit(1);
	}

	/* unreached */
	exit(0);
}
示例#4
0
static int extract(const char *filename, int arglen, char *args[]) {
	xar_t x;
	xar_iter_t i;
	xar_file_t f;
	int files_extracted = 0;
	int argi;
	struct lnode *extract_files = NULL;
	struct lnode *extract_tail = NULL;
	struct lnode *lnodei = NULL;
	struct lnode *dirs = NULL;

	for(argi = 0; args[argi]; argi++) {
		struct lnode *tmp;
		int err;
		tmp = malloc(sizeof(struct lnode));
		tmp->str = strdup(args[argi]);
		tmp->next = NULL;
		err = regcomp(&tmp->reg, tmp->str, REG_NOSUB);
		if( err ) {
			char errstr[1024];
			regerror(err, &tmp->reg, errstr, sizeof(errstr));
			printf("Error with regular expression %s: %s\n", tmp->str, errstr);
			exit(1);
		}
		if( extract_files == NULL ) {
			extract_files = tmp;
			extract_tail = tmp;
		} else {
			extract_tail->next = tmp;
			extract_tail = tmp;
		}
		
		/* Add a clause for recursive extraction */
		tmp = malloc(sizeof(struct lnode));
		asprintf(&tmp->str, "%s/.*", args[argi]);
		tmp->next = NULL;
		err = regcomp(&tmp->reg, tmp->str, REG_NOSUB);
		if( err ) {
			char errstr[1024];
			regerror(err, &tmp->reg, errstr, sizeof(errstr));
			printf("Error with regular expression %s: %s\n", tmp->str, errstr);
			exit(1);
		}
		if( extract_files == NULL ) {
			extract_files = tmp;
			extract_tail = tmp;
		} else {
			extract_tail->next = tmp;
			extract_tail = tmp;
		}
	}

	x = xar_open(filename, READ);
	if( !x ) {
		fprintf(stderr, "Error opening xar archive: %s\n", filename);
		exit(1);
	}

	if(Chdir) {
		if( chdir(Chdir) != 0 ) {
			fprintf(stderr, "Unable to chdir to %s\n", Chdir);
			exit(1);
		}
	}

	xar_register_errhandler(x, err_callback, NULL);

	if( Perms == SYMBOLIC ) {
		xar_opt_set(x, XAR_OPT_OWNERSHIP, XAR_OPT_VAL_SYMBOLIC);
	}
	if( Perms == NUMERIC ) {
		xar_opt_set(x, XAR_OPT_OWNERSHIP, XAR_OPT_VAL_NUMERIC);
	}
	if ( Rsize != NULL ) {
		xar_opt_set(x, XAR_OPT_RSIZE, Rsize);
	}
	if( SaveSuid ) {
		xar_opt_set(x, XAR_OPT_SAVESUID, XAR_OPT_VAL_TRUE);
	}
	
	i = xar_iter_new();
	if( !i ) {
		fprintf(stderr, "Error creating xar iterator\n");
		exit(1);
	}

	for(f = xar_file_first(x, i); f; f = xar_file_next(i)) {
		int matched = 0;
		int exclude_match = 1;
		struct lnode *i;

		char *path = xar_get_path(f);

		if( args[0] ) {
			for(i = extract_files; i != NULL; i = i->next) {
				int extract_match = 1;

				extract_match = regexec(&i->reg, path, 0, NULL, 0);
				if( !extract_match ) {
					matched = 1;
					break;
				}
			}
		} else {
			matched = 1;
		}

		for( i = Exclude; i; i=i->next ) {
			exclude_match = regexec(&i->reg, path, 0, NULL, 0);
			if( !exclude_match )
				break;
		}
		if( !exclude_match ) {
			if( Verbose )
				printf("Excluding %s\n", path);
			free(path);
			continue;
		}
		
		if (!xar_path_issane(path)) {
			if (Verbose)
				printf("Warning, not extracting file \"%s\" because it's path is invalid.\n", path);
			free(path);
			continue;
		}
		
		if( matched ) {
			struct stat sb;
			if( NoOverwrite && (lstat(path, &sb) == 0) ) {
				printf("%s already exists, not overwriting\n", path);
			} else {
				const char *prop = NULL;
				int deferred = 0;
				if( xar_prop_get(f, "type", &prop) == 0 ) {
					if( strcmp(prop, "directory") == 0 ) {
						struct lnode *tmpl = calloc(sizeof(struct lnode),1);
						tmpl->str = (char *)f;
						tmpl->next = dirs;
						dirs = tmpl;
						deferred = 1;
					}
				}
				if( ! deferred ) {
					files_extracted++;
					print_file(x, f);
					xar_extract(x, f);
				}
			}
		}
		free(path);
	}
	for(lnodei = dirs; lnodei; lnodei = lnodei->next) {
		files_extracted++;
		print_file(x,(xar_file_t)lnodei->str);
		xar_extract(x, (xar_file_t)lnodei->str);
	}
	if( args[0] && (files_extracted == 0) ) {
		fprintf(stderr, "No files matched extraction criteria.\n");
		Err = 3;
	}

	if( Subdoc )
		extract_subdoc(x, NULL);

	xar_iter_free(i);
	if( xar_close(x) != 0 ) {
		fprintf(stderr, "Error extracting the archive\n");
		if( !Err )
			Err = 42;
	}

	for(lnodei = extract_files; lnodei != NULL; ) {
		struct lnode *tmp;
		free(lnodei->str);
		regfree(&lnodei->reg);
		tmp = lnodei;
		lnodei = lnodei->next;
		free(tmp);
	}
	return Err;
}