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397137b81

Denis Vlasenko

2007-07-23

FAILED Duration: 15s

Subject

setfiles,restorecon: new SELinux applets by Yuichi Nakamura

Binary

No binary (build failed)

Architecture & Compiler Flags

Architecture: x86_64-linux-gnu Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0

—

Build Log

(log yok)

Commit Diff GitHub →

include/applets.h +2 -0 include/usage.h +41 -0 selinux/Config.in +26 -0 selinux/Kbuild +2 -0 selinux/setfiles.c +702 -0

include/applets.h+2 -0

@@ -270,6 +270,7 @@ USE_HALT(APPLET_ODDNAME(reboot, halt, _BB_DIR_SBIN, _BB_SUID_NEVER, reboot))
	USE_RENICE(APPLET(renice, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
	USE_RESET(APPLET(reset, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
	USE_RESIZE(APPLET(resize, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+	USE_RESTORECON(APPLET_ODDNAME(restorecon, setfiles, _BB_DIR_SBIN, _BB_SUID_NEVER, restorecon))
	USE_RM(APPLET_NOFORK(rm, rm, _BB_DIR_BIN, _BB_SUID_NEVER, rm))
	USE_RMDIR(APPLET_NOFORK(rmdir, rmdir, _BB_DIR_BIN, _BB_SUID_NEVER, rmdir))
	USE_RMMOD(APPLET(rmmod, _BB_DIR_SBIN, _BB_SUID_NEVER))
@@ -288,6 +289,7 @@ USE_SEQ(APPLET_NOFORK(seq, seq, _BB_DIR_USR_BIN, _BB_SUID_NEVER, seq))
	USE_SETARCH(APPLET(setarch, _BB_DIR_BIN, _BB_SUID_NEVER))
	USE_SETCONSOLE(APPLET(setconsole, _BB_DIR_SBIN, _BB_SUID_NEVER))
	USE_SETENFORCE(APPLET(setenforce, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
+	USE_SETFILES(APPLET(setfiles, _BB_DIR_SBIN, _BB_SUID_NEVER))
	USE_SETKEYCODES(APPLET(setkeycodes, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
	USE_SETLOGCONS(APPLET(setlogcons, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
	USE_SETSID(APPLET(setsid, _BB_DIR_USR_BIN, _BB_SUID_NEVER))

include/usage.h+41 -0

@@ -2783,6 +2783,22 @@
	#define resize_full_usage \
	"Resize the screen"

+	#define restorecon_trivial_usage \
+	"[-iFnrRv] [-e excludedir]... [-o filename] [-f filename \| pathname]"
+	#define restorecon_full_usage \
+	"Reset security contexts of files in pathname\n" \
+	"\n -i Ignore files that do not exist" \
+	"\n -f filename File with list of files to process. Use - for stdin" \
+	"\n -e directory Directory to exclude" \
+	"\n -R,-r Recurse directories" \
+	"\n -n Don't change any file labels" \
+	"\n -o filename Save list of files with incorrect context" \
+	"\n -v Verbose" \
+	"\n -vv Show changed labels" \
+	"\n -F Force reset of context to match file_context" \
+	"\n for customizable files, or the user section," \
+	"\n if it has changed"
+
	#define rm_trivial_usage \
	"[OPTION]... FILE..."
	#define rm_full_usage \
@@ -2947,6 +2963,31 @@ USE_FEATURE_RUN_PARTS_FANCY("\n -l Prints names of all matching files even when
	"[Enforcing \| Permissive \| 1 \| 0]"
	#define setenforce_full_usage

+	#define setfiles_trivial_usage \
+	"[-dnpqsvW] [-e dir]... [-o filename] [-r alt_root_path]" \
+	USE_FEATURE_SETFILES_CHECK_OPTION( \
+	" [-c policyfile] spec_file" \
+	) \
+	" pathname"
+
+	#define setfiles_full_usage \
+	"Reset file contexts under pathname according to spec_file" \
+	USE_FEATURE_SETFILES_CHECK_OPTION( \
+	"\n -c file Check the validity of the contexts against the specified binary policy" \
+	) \
+	"\n -d Show which specification matched each file" \
+	"\n -l Log changes in file labels to syslog" \
+	"\n -n Don't change any file labels" \
+	"\n -q Suppress no-error output" \
+	"\n -r dir Use an altenate root path" \
+	"\n -e dir Exclude directory" \
+	"\n -F Force reset of context to match file_context for customizable files" \
+	"\n -o file Save list of files with incorrect context" \
+	"\n -s Take a list of files from standard input (instead of command line)" \
+	"\n -v Show changes in file labels, if type or role are changing" \
+	"\n -vv Show changes in file labels, if type, role, or user are changing" \
+	"\n -W Display warnings about entries that had no matching files"
+
	#define setkeycodes_trivial_usage \
	"SCANCODE KEYCODE ..."
	#define setkeycodes_full_usage \

selinux/Config.in+26 -0

@@ -49,6 +49,14 @@ config MATCHPATHCON
	Enable support to get default security context of the
	specified path from the file contexts configuration.

+	config RESTORECON
+	bool "restorecon"
+	default n
+	depends on SELINUX
+	help
+	Enable support to relabel files. The feature is almost
+	the same as setfiles, but usage is a little different.
+
	config RUNCON
	bool "runcon"
	default n
@@ -78,5 +86,23 @@ config SETENFORCE
	help
	Enable support to modify the mode SELinux is running in.

+	config SETFILES
+	bool "setfiles"
+	default n
+	depends on SELINUX
+	help
+	Enable support to modify to relabel files.
+	Notice: If you built libselinux with -D_FILE_OFFSET_BITS=64,
+	(It is default in libselinux's Makefile), you _must_ enable
+	CONFIG_LFS.
+
+	config FEATURE_SETFILES_CHECK_OPTION
+	bool "Enable check option"
+	default n
+	depends on SETFILES
+	help
+	Support "-c" option (check the validity of the contexts against
+	the specified binary policy) for setfiles. Requires libsepol.
+
	endmenu

selinux/Kbuild+2 -0

@@ -14,3 +14,5 @@ lib-$(CONFIG_MATCHPATHCON) += matchpathcon.o
	lib-$(CONFIG_RUNCON) += runcon.o
	lib-$(CONFIG_SELINUXENABLED) += selinuxenabled.o
	lib-$(CONFIG_SETENFORCE) += setenforce.o
+	lib-$(CONFIG_SETFILES) += setfiles.o
+	lib-$(CONFIG_RESTORECON) += setfiles.o

selinux/setfiles.c+702 -0

@@ -0,0 +1,702 @@
+	/*
+	setfiles: based on policycoreutils 2.0.19
+	policycoreutils was released under GPL 2.
+	Port to BusyBox by 2007 Yuichi Nakamura <[email protected]>
+	*/
+
+	#include "libbb.h"
+	#if ENABLE_FEATURE_SETFILES_CHECK_OPTION
+	#include <sepol/sepol.h>
+	#endif
+
+	#define MAX_EXCLUDES 50
+
+	struct edir {
+	char *directory;
+	size_t size;
+	};
+
+	struct globals {
+	FILE *outfile;
+	char *policyfile;
+	char *rootpath;
+	int rootpathlen;
+	unsigned count;
+	int excludeCtr;
+	int errors;
+	int verbose; /* getopt32 uses it, has to be int */
+	//smallint force;
+	//smallint progress;
+	//smallint debug;
+	//smallint dry_run;
+	//smallint quiet;
+	//smallint ignore_enoent;
+	//smallint take_log;
+	//smallint warn_no_match;
+	smallint recurse; /* Recursive descent */
+	smallint follow_mounts;
+	/* Behavior flags determined based on setfiles vs. restorecon */
+	smallint expand_realpath; /* Expand paths via realpath */
+	smallint abort_on_error; /* Abort the file tree walk upon an error */
+	int add_assoc; /* Track inode associations for conflict detection */
+	int matchpathcon_flags; /* Flags to matchpathcon */
+	dev_t dev_id; /* Device id where target file exists */
+	int nerr;
+	struct edir excludeArray[MAX_EXCLUDES];
+	};
+
+	#define G ((struct globals)&bb_common_bufsiz1)
+	void BUG_setfiles_globals_too_big(void);
+	#define INIT_G() do { \
+	if (sizeof(G) > COMMON_BUFSIZE) \
+	BUG_setfiles_globals_too_big(); \
+	/* memset(&G, 0, sizeof(G)); - already is */ \
+	} while (0)
+	#define outfile (G.outfile )
+	#define policyfile (G.policyfile )
+	#define rootpath (G.rootpath )
+	#define rootpathlen (G.rootpathlen )
+	#define count (G.count )
+	#define excludeCtr (G.excludeCtr )
+	#define errors (G.errors )
+	#define verbose (G.verbose )
+	//#define force (G.force )
+	//#define progress (G.progress )
+	//#define debug (G.debug )
+	//#define dry_run (G.dry_run )
+	//#define quiet (G.quiet )
+	//#define ignore_enoent (G.ignore_enoent )
+	//#define take_log (G.take_log )
+	//#define warn_no_match (G.warn_no_match )
+	#define recurse (G.recurse )
+	#define follow_mounts (G.follow_mounts )
+	#define expand_realpath (G.expand_realpath )
+	#define abort_on_error (G.abort_on_error )
+	#define add_assoc (G.add_assoc )
+	#define matchpathcon_flags (G.matchpathcon_flags)
+	#define dev_id (G.dev_id )
+	#define nerr (G.nerr )
+	#define excludeArray (G.excludeArray )
+
+	/* Must match getopt32 string! */
+	enum {
+	OPT_d = (1 << 0),
+	OPT_e = (1 << 1),
+	OPT_f = (1 << 2),
+	OPT_i = (1 << 3),
+	OPT_l = (1 << 4),
+	OPT_n = (1 << 5),
+	OPT_p = (1 << 6),
+	OPT_q = (1 << 7),
+	OPT_r = (1 << 8),
+	OPT_s = (1 << 9),
+	OPT_v = (1 << 10),
+	OPT_o = (1 << 11),
+	OPT_F = (1 << 12),
+	OPT_W = (1 << 13),
+	OPT_c = (1 << 14), /* c only for setfiles */
+	OPT_R = (1 << 14), /* R only for restorecon */
+	};
+	#define FLAG_d_debug (option_mask32 & OPT_d)
+	#define FLAG_e (option_mask32 & OPT_e)
+	#define FLAG_f (option_mask32 & OPT_f)
+	#define FLAG_i_ignore_enoent (option_mask32 & OPT_i)
+	#define FLAG_l_take_log (option_mask32 & OPT_l)
+	#define FLAG_n_dry_run (option_mask32 & OPT_n)
+	#define FLAG_p_progress (option_mask32 & OPT_p)
+	#define FLAG_q_quiet (option_mask32 & OPT_q)
+	#define FLAG_r (option_mask32 & OPT_r)
+	#define FLAG_s (option_mask32 & OPT_s)
+	#define FLAG_v (option_mask32 & OPT_v)
+	#define FLAG_o (option_mask32 & OPT_o)
+	#define FLAG_F_force (option_mask32 & OPT_F)
+	#define FLAG_W_warn_no_match (option_mask32 & OPT_W)
+	#define FLAG_c (option_mask32 & OPT_c)
+	#define FLAG_R (option_mask32 & OPT_R)
+
+
+	static void qprintf(const char *fmt, ...)
+	{
+	/* quiet, do nothing */
+	}
+
+	static void inc_err(void)
+	{
+	nerr++;
+	if (nerr > 9 && !FLAG_d_debug) {
+	bb_error_msg_and_die("exiting after 10 errors");
+	}
+	}
+
+	static int add_exclude(const char *directory)
+	{
+	struct stat sb;
+	size_t len = 0;
+
+	if (directory == NULL \|\| directory[0] != '/') {
+	bb_error_msg("full path required for exclude: %s", directory);
+	return 1;
+	}
+	if (lstat(directory, &sb)) {
+	bb_error_msg("directory \"%s\" not found, ignoring", directory);
+	return 0;
+	}
+	if ((sb.st_mode & S_IFDIR) == 0) {
+	bb_error_msg("\"%s\" is not a directory: mode %o, ignoring",
+	directory, sb.st_mode);
+	return 0;
+	}
+	if (excludeCtr == MAX_EXCLUDES) {
+	bb_error_msg("maximum excludes %d exceeded", MAX_EXCLUDES);
+	return 1;
+	}
+
+	len = strlen(directory);
+	while (len > 1 && directory[len - 1] == '/') {
+	len--;
+	}
+	excludeArray[excludeCtr].directory = xstrndup(directory, len);
+	excludeArray[excludeCtr++].size = len;
+
+	return 0;
+	}
+
+	static int exclude(const char *file)
+	{
+	int i = 0;
+	for (i = 0; i < excludeCtr; i++) {
+	if (strncmp(file, excludeArray[i].directory,
+	excludeArray[i].size) == 0) {
+	if (file[excludeArray[i].size] == '\0'
+	\|\| file[excludeArray[i].size] == '/') {
+	return 1;
+	}
+	}
+	}
+	return 0;
+	}
+
+	static int match(const char name, struct stat sb, char **con)
+	{
+	int ret;
+	char path[PATH_MAX + 1];
+	char *tmp_path = xstrdup(name);
+
+	if (excludeCtr > 0) {
+	if (exclude(name)) {
+	goto err;
+	}
+	}
+	ret = lstat(name, sb);
+	if (ret) {
+	if (FLAG_i_ignore_enoent && errno == ENOENT) {
+	free(tmp_path);
+	return 0;
+	}
+	bb_error_msg("stat(%s)", name);
+	goto err;
+	}
+
+	if (expand_realpath) {
+	if (S_ISLNK(sb->st_mode)) {
+	char *p = NULL;
+	char *file_sep;
+
+	size_t len = 0;
+
+	if (verbose > 1)
+	bb_error_msg("warning! %s refers to a symbolic link, not following last component", name);
+
+	file_sep = strrchr(tmp_path, '/');
+	if (file_sep == tmp_path) {
+	file_sep++;
+	p[0] = '\0';
+	p = path;
+	} else if (file_sep) {
+	*file_sep++ = '\0';
+	p = realpath(tmp_path, path);
+	} else {
+	file_sep = tmp_path;
+	p = realpath("./", path);
+	}
+	if (p)
+	len = strlen(p);
+	if (!p \|\| len + strlen(file_sep) + 2 > PATH_MAX) {
+	bb_perror_msg("realpath(%s) failed", name);
+	goto err;
+	}
+	p += len;
+	/* ensure trailing slash of directory name */
+	if (len == 0 \|\| p[-1] != '/') {
+	*p++ = '/';
+	}
+	strcpy(p, file_sep);
+	name = path;
+	if (excludeCtr > 0 && exclude(name))
+	goto err;
+
+	} else {
+	char *p;
+	p = realpath(name, path);
+	if (!p) {
+	bb_perror_msg("realpath(%s)", name);
+	goto err;
+	}
+	name = p;
+	if (excludeCtr > 0 && exclude(name))
+	goto err;
+	}
+	}
+
+	/* name will be what is matched in the policy */
+	if (NULL != rootpath) {
+	if (0 != strncmp(rootpath, name, rootpathlen)) {
+	bb_error_msg("%s is not located in %s",
+	name, rootpath);
+	goto err;
+	}
+	name += rootpathlen;
+	}
+
+	free(tmp_path);
+	if (rootpath != NULL && name[0] == '\0')
+	/* this is actually the root dir of the alt root */
+	return matchpathcon_index("/", sb->st_mode, con);
+	return matchpathcon_index(name, sb->st_mode, con);
+	err:
+	free(tmp_path);
+	return -1;
+	}
+
+	/* Compare two contexts to see if their differences are "significant",
+	* or whether the only difference is in the user. */
+	static int only_changed_user(const char a, const char b)
+	{
+	if (FLAG_F_force)
+	return 0;
+	if (!a \|\| !b)
+	return 0;
+	a = strchr(a, ':'); /* Rest of the context after the user */
+	b = strchr(b, ':');
+	if (!a \|\| !b)
+	return 0;
+	return (strcmp(a, b) == 0);
+	}
+
+	static int restore(const char *file)
+	{
+	char *my_file = xstrdup(file);
+	char *my_file_orig = my_file;
+	struct stat my_sb;
+	int i, j, ret;
+	char *context = NULL;
+	char *newcon = NULL;
+	int user_only_changed = 0;
+	size_t len = strlen(my_file);
+	int retval = 0;
+
+	/* Skip the extra slashes at the beginning and end, if present. */
+	if (file[0] == '/' && file[1] == '/')
+	my_file++;
+	if (len > 1 && my_file[len - 1] == '/')
+	my_file[len - 1] = '\0';
+
+	i = match(my_file, &my_sb, &newcon);
+
+	if (i < 0) /* No matching specification. */
+	goto out;
+
+
+	if (FLAG_p_progress) {
+	count++;
+	if (count % 0x400 == 0) { /* every 1024 times */
+	count = (count % (80*0x400));
+	if (count == 0)
+	fputc('\n', stdout);
+	fputc('*', stdout);
+	fflush(stdout);
+	}
+	}
+
+	/*
+	* Try to add an association between this inode and
+	* this specification. If there is already an association
+	* for this inode and it conflicts with this specification,
+	* then use the last matching specification.
+	*/
+	if (add_assoc) {
+	j = matchpathcon_filespec_add(my_sb.st_ino, i, my_file);
+	if (j < 0)
+	goto err;
+
+	if (j != i) {
+	/* There was already an association and it took precedence. */
+	goto out;
+	}
+	}
+
+	if (FLAG_d_debug)
+	printf("%s: %s matched by %s\n", applet_name, my_file, newcon);
+
+	/* Get the current context of the file. */
+	ret = lgetfilecon_raw(my_file, &context);
+	if (ret < 0) {
+	if (errno == ENODATA) {
+	context = NULL; /* paranoia */
+	} else {
+	bb_perror_msg("lgetfilecon_raw on %s", my_file);
+	goto err;
+	}
+	user_only_changed = 0;
+	} else
+	user_only_changed = only_changed_user(context, newcon);
+
+	/*
+	* Do not relabel the file if the matching specification is
+	* <<none>> or the file is already labeled according to the
+	* specification.
+	*/
+	if ((strcmp(newcon, "<<none>>") == 0)
+	\|\| (context && (strcmp(context, newcon) == 0) && !FLAG_F_force)) {
+	goto out;
+	}
+
+	if (!FLAG_F_force && context && (is_context_customizable(context) > 0)) {
+	if (verbose > 1) {
+	bb_error_msg("skipping %s. %s is customizable_types",
+	my_file, context);
+	}
+	goto out;
+	}
+
+	if (verbose) {
+	/* If we're just doing "-v", trim out any relabels where
+	* the user has changed but the role and type are the
+	* same. For "-vv", emit everything. */
+	if (verbose > 1 \|\| !user_only_changed) {
+	bb_info_msg("%s: reset %s context %s->%s",
+	applet_name, my_file, context ?: "", newcon);
+	}
+	}
+
+	if (FLAG_l_take_log && !user_only_changed) {
+	if (context)
+	bb_info_msg("relabeling %s from %s to %s", my_file, context, newcon);
+	else
+	bb_info_msg("labeling %s to %s", my_file, newcon);
+	}
+
+	if (outfile && !user_only_changed)
+	fprintf(outfile, "%s\n", my_file);
+
+	/*
+	* Do not relabel the file if -n was used.
+	*/
+	if (FLAG_n_dry_run \|\| user_only_changed)
+	goto out;
+
+	/*
+	* Relabel the file to the specified context.
+	*/
+	ret = lsetfilecon(my_file, newcon);
+	if (ret) {
+	bb_perror_msg("lsetfileconon(%s,%s)", my_file, newcon);
+	goto err;
+	}
+
+	out:
+	freecon(context);
+	freecon(newcon);
+	free(my_file_orig);
+	return retval;
+	err:
+	retval--; /* -1 */
+	goto out;
+	}
+
+	/*
+	* Apply the last matching specification to a file.
+	* This function is called by recursive_action on each file during
+	* the directory traversal.
+	*/
+	static int apply_spec(const char *file,
+	struct stat sb, void userData, int depth)
+	{
+	if (!follow_mounts) {
+	/* setfiles does not process across different mount points */
+	if (sb->st_dev != dev_id) {
+	return SKIP;
+	}
+	}
+	errors \|= restore(file);
+	if (abort_on_error && errors)
+	return FALSE;
+	return TRUE;
+	}
+
+
+	static int canoncon(const char path, unsigned lineno, char *contextp)
+	{
+	static const char err_msg[] = "%s: line %u has invalid context %s";
+
+	char *tmpcon;
+	char context = contextp;
+	int invalid = 0;
+
+	#if ENABLE_FEATURE_SETFILES_CHECK_OPTION
+	if (policyfile) {
+	if (sepol_check_context(context) >= 0)
+	return 0;
+	/* Exit immediately if we're in checking mode. */
+	bb_error_msg_and_die(err_msg, path, lineno, context);
+	}
+	#endif
+
+	if (security_canonicalize_context_raw(context, &tmpcon) < 0) {
+	if (errno != ENOENT) {
+	invalid = 1;
+	inc_err();
+	}
+	} else {
+	free(context);
+	*contextp = tmpcon;
+	}
+
+	if (invalid) {
+	bb_error_msg(err_msg, path, lineno, context);
+	}
+
+	return invalid;
+	}
+
+	static int process_one(char *name)
+	{
+	struct stat sb;
+	int rc;
+
+	rc = lstat(name, &sb);
+	if (rc < 0) {
+	if (FLAG_i_ignore_enoent && errno == ENOENT)
+	return 0;
+	bb_perror_msg("stat(%s)", name);
+	goto err;
+	}
+	dev_id = sb.st_dev;
+
+	if (S_ISDIR(sb.st_mode) && recurse) {
+	if (recursive_action(name,
+	ACTION_RECURSE,
+	apply_spec,
+	apply_spec,
+	NULL, 0) != TRUE) {
+	bb_error_msg("error while labeling %s", name);
+	goto err;
+	}
+	} else {
+	rc = restore(name);
+	if (rc)
+	goto err;
+	}
+
+	out:
+	if (add_assoc) {
+	if (FLAG_q_quiet)
+	set_matchpathcon_printf(&qprintf);
+	matchpathcon_filespec_eval();
+	set_matchpathcon_printf(NULL);
+	matchpathcon_filespec_destroy();
+	}
+
+	return rc;
+
+	err:
+	rc = -1;
+	goto out;
+	}
+
+	int setfiles_main(int argc, char **argv);
+	int setfiles_main(int argc, char **argv)
+	{
+	struct stat sb;
+	int rc, i = 0;
+	const char *input_filename = NULL;
+	int use_input_file = 0;
+	char *buf = NULL;
+	size_t buf_len;
+	int flags;
+	llist_t *exclude_dir = NULL;
+	char *out_filename = NULL;
+
+	INIT_G();
+
+	if (applet_name[0] == 's') { /* "setfiles" */
+	/*
+	* setfiles:
+	* Recursive descent,
+	* Does not expand paths via realpath,
+	* Aborts on errors during the file tree walk,
+	* Try to track inode associations for conflict detection,
+	* Does not follow mounts,
+	* Validates all file contexts at init time.
+	*/
+	recurse = 1;
+	abort_on_error = 1;
+	add_assoc = 1;
+	/* follow_mounts = 0; - already is */
+	matchpathcon_flags = MATCHPATHCON_VALIDATE \| MATCHPATHCON_NOTRANS;
+	} else {
+	/*
+	* restorecon:
+	* No recursive descent unless -r/-R,
+	* Expands paths via realpath,
+	* Do not abort on errors during the file tree walk,
+	* Do not try to track inode associations for conflict detection,
+	* Follows mounts,
+	* Does lazy validation of contexts upon use.
+	*/
+	expand_realpath = 1;
+	follow_mounts = 1;
+	matchpathcon_flags = MATCHPATHCON_NOTRANS;
+	/* restorecon only */
+	selinux_or_die();
+	}
+
+	set_matchpathcon_flags(matchpathcon_flags);
+
+	opt_complementary = "e::vv:v--p:p--v";
+	/* Option order must match OPT_x definitions! */
+	if (applet_name[0] == 'r') { /* restorecon */
+	flags = getopt32(argc, argv, "de:f:ilnpqrsvo:FWR",
+	&exclude_dir, &input_filename, &out_filename, &verbose);
+	} else { /* setfiles */
+	flags = getopt32(argc, argv, "de:f:ilnpqr:svo:FW"
+	USE_FEATURE_SETFILES_CHECK_OPTION("c:"),
+	&exclude_dir, &input_filename, &rootpath, &out_filename,
+	USE_FEATURE_SETFILES_CHECK_OPTION(&policyfile,)
+	&verbose);
+	}
+
+	#if ENABLE_FEATURE_SETFILES_CHECK_OPTION
+	if ((applet_name[0] == 's') && (flags & OPT_c)) {
+	FILE *policystream;
+
+	policystream = xfopen(policyfile, "r");
+	if (sepol_set_policydb_from_file(policystream) < 0) {
+	bb_error_msg_and_die("sepol_set_policydb_from_file on %s", policyfile);
+	}
+	fclose(policystream);
+
+	/* Only process the specified file_contexts file, not
+	any .homedirs or .local files, and do not perform
+	context translations. */
+	set_matchpathcon_flags(MATCHPATHCON_BASEONLY \|
+	MATCHPATHCON_NOTRANS \|
+	MATCHPATHCON_VALIDATE);
+	}
+	#endif
+
+	//if (flags & OPT_d) {
+	// debug = 1;
+	//}
+	if (flags & OPT_e) {
+	if (exclude_dir == NULL) {
+	bb_show_usage();
+	}
+	while (exclude_dir) {
+	if (add_exclude(llist_pop(&exclude_dir)))
+	exit(1);
+	}
+	}
+	//if (flags & OPT_i) {
+	// ignore_enoent = 1;
+	//}
+	//if (flags & OPT_l) {
+	// take_log = 1;
+	//}
+	//if (flags & OPT_F) {
+	// force = 1;
+	//}
+	//if (flags & OPT_n) {
+	// dry_run = 1;
+	//}
+	if (flags & OPT_o) {
+	outfile = stdout;
+	if (NOT_LONE_CHAR(out_filename, '-')) {
+	outfile = xfopen(out_filename, "w");
+	}
+	}
+	//if (flags & OPT_q) {
+	// quiet = 1;
+	//}
+	if (applet_name[0] == 'r') { /* restorecon */
+	if (flags & (OPT_r \| OPT_R))
+	recurse = 1;
+	} else { /* setfiles */
+	if (flags & OPT_r)
+	rootpathlen = strlen(rootpath);
+	}
+	if (flags & OPT_s) {
+	use_input_file = 1;
+	input_filename = "-";
+	add_assoc = 0;
+	}
+	//if (flags & OPT_p) {
+	// progress = 1;
+	//}
+	//if (flags & OPT_W) {
+	// warn_no_match = 1;
+	//}
+
+	if (applet_name[0] == 's') { /* setfiles */
+	/* Use our own invalid context checking function so that
+	we can support either checking against the active policy or
+	checking against a binary policy file. */
+	set_matchpathcon_canoncon(&canoncon);
+	if (argc == 1)
+	bb_show_usage();
+	if (stat(argv[optind], &sb) < 0) {
+	bb_perror_msg_and_die("%s", argv[optind]);
+	}
+	if (!S_ISREG(sb.st_mode)) {
+	bb_error_msg_and_die("spec file %s is not a regular file", argv[optind]);
+	}
+	/* Load the file contexts configuration and check it. */
+	rc = matchpathcon_init(argv[optind]);
+	if (rc < 0) {
+	bb_perror_msg_and_die("%s", argv[optind]);
+	}
+
+	optind++;
+
+	if (nerr)
+	exit(1);
+	}
+
+	if (use_input_file) {
+	ssize_t len;
+	FILE *f = stdin;
+
+	if (NOT_LONE_CHAR(input_filename, '-'))
+	f = xfopen(input_filename, "r");
+	while ((len = getline(&buf, &buf_len, f)) > 0) {
+	buf[len - 1] = '\0';
+	errors \|= process_one(buf);
+	}
+	if (ENABLE_FEATURE_CLEAN_UP)
+	fclose_if_not_stdin(f);
+	} else {
+	if (optind >= argc)
+	bb_show_usage();
+	for (i = optind; i < argc; i++) {
+	errors \|= process_one(argv[i]);
+	}
+	}
+
+	if (FLAG_W_warn_no_match)
+	matchpathcon_checkmatches(argv[0]);
+
+	if (ENABLE_FEATURE_CLEAN_UP && outfile)
+	fclose(outfile);
+
+	return errors;
+	}