selinux support by Yuichi Nakamura <ynakam@hitachisoft.jp> (HitachiSoft)

coreutils/cp.c

@@ -3,6 +3,7 @@
  * Mini cp implementation for busybox
  *
  * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
+ * SELinux support by Yuichi Nakamura <ynakam@hitachisoft.jp>
  *
  * Licensed under GPL v2 or later, see file LICENSE in this tarball for details.
  */
@@ -50,6 +51,12 @@ int cp_main(int argc, char **argv)
 	if (flags & OPT_H) ... // deref command-line params only
 	*/
 
+#if ENABLE_SELINUX 
+	if (flags & FILEUTILS_PRESERVE_SECURITY_CONTEXT) {
+		selinux_or_die();
+	}
+#endif
+
 	flags ^= FILEUTILS_DEREFERENCE;		/* The sense of this flag was reversed. */
 
 	if (optind + 2 > argc) {

coreutils/id.c

@@ -10,6 +10,7 @@
 /* BB_AUDIT SUSv3 _NOT_ compliant -- option -G is not currently supported. */
 /* Hacked by Tito Ragusa (C) 2004 to handle usernames of whatever length and to
  * be more similar to GNU id.
+ * -Z option support: by Yuichi Nakamura <ynakam@hitachisoft.jp>
  */
 
 #include "busybox.h"
@@ -17,14 +18,13 @@
 #include <unistd.h>
 #include <sys/types.h>
 
-#ifdef CONFIG_SELINUX
-#include <selinux/selinux.h>          /* for is_selinux_enabled() */
-#endif
-
 #define PRINT_REAL        1
 #define NAME_NOT_NUMBER   2
 #define JUST_USER         4
 #define JUST_GROUP        8
+#if ENABLE_SELINUX
+#define JUST_CONTEXT    16
+#endif
 
 static short printf_full(unsigned int id, const char *arg, const char prefix)
 {
@@ -47,11 +47,13 @@ int id_main(int argc, char **argv)
 	gid_t gid;
 	unsigned long flags;
 	short status;
-
+#if ENABLE_SELINUX
+ 	security_context_t scontext;
+#endif
 	/* Don't allow -n -r -nr -ug -rug -nug -rnug */
 	/* Don't allow more than one username */
-	opt_complementary = "?1:?:u--g:g--u:r?ug:n?ug";
+	opt_complementary = "?1:?:u--g:g--u:r?ug:n?ug" USE_SELINUX(":u--Z:Z--u:g--Z:Z--g");
-	flags = getopt32(argc, argv, "rnug");
+	flags = getopt32(argc, argv, "rnug" USE_SELINUX("Z"));
 
 	/* This values could be overwritten later */
 	uid = geteuid();
@@ -69,14 +71,33 @@ int id_main(int argc, char **argv)
 		/* in this case PRINT_REAL is the same */
 	}
 
-	if (flags & (JUST_GROUP | JUST_USER)) {
+	if (flags & (JUST_GROUP | JUST_USER USE_SELINUX(| JUST_CONTEXT))) {
 		/* JUST_GROUP and JUST_USER are mutually exclusive */
 		if (flags & NAME_NOT_NUMBER) {
 			/* bb_getpwuid and bb_getgrgid exit on failure so puts cannot segfault */
 			puts((flags & JUST_USER) ? bb_getpwuid(NULL, uid, -1 ) : bb_getgrgid(NULL, gid, -1 ));
 		} else {
-			printf("%u\n", (flags & JUST_USER) ? uid : gid);
+			if (flags & JUST_USER) {
+ 				printf("%u\n", uid);
  			}
+ 			if (flags & JUST_GROUP) {
+ 				printf("%u\n", gid);
+ 			}
+  		}
+		
+#if ENABLE_SELINUX
+ 		if (flags & JUST_CONTEXT) {        
+			selinux_or_die();
+ 			if (argc - optind == 1) {
+ 				bb_error_msg_and_die("can't print security context when user specified");
+ 			}
+			
+ 			if (getcon(&scontext)) {
+ 				bb_error_msg_and_die("can't get process context");		
+ 			}
+ 			printf("%s\n", scontext);
+ 		}
+#endif	
 		/* exit */
 		fflush_stdout_and_exit(EXIT_SUCCESS);
 	}
@@ -88,7 +109,7 @@ int id_main(int argc, char **argv)
 	/* bb_getgrgid doesn't exit on failure here */
 	status |= printf_full(gid, bb_getgrgid(NULL, gid, 0), 'g');
 
-#ifdef CONFIG_SELINUX
+#if ENABLE_SELINUX
 	if (is_selinux_enabled()) {
 		security_context_t mysid;
 		const char *context;

coreutils/install.c

@@ -21,10 +21,49 @@ static const struct option install_long_options[] = {
 	{ "group",               0, NULL, 'g' },
 	{ "mode",                0, NULL, 'm' },
 	{ "owner",               0, NULL, 'o' },
+#if ENABLE_SELINUX
+	{ "context",             1, NULL, 'Z' },
+	{ "preserve_context",    0, NULL, 0xff },
+	{ "preserve-context",    0, NULL, 0xff },
+#endif
 	{ 0, 0, 0, 0 }
 };
 #endif
 
+
+#if ENABLE_SELINUX
+static bool use_default_selinux_context = 1;
+
+static void setdefaultfilecon(const char *path) {
+	struct stat s;
+	security_context_t scontext = NULL;
+
+	if (!is_selinux_enabled()) {
+		return;
+	}	
+	if (lstat(path, &s) != 0) {
+		return;
+	}
+
+	if (matchpathcon(path, s.st_mode, &scontext) < 0) {
+		goto out;
+	}
+	if (strcmp(scontext, "<<none>>") == 0) {
+		goto out;
+	}
+
+	if (lsetfilecon(path, scontext) < 0) {
+		if (errno != ENOTSUP) {
+			bb_perror_msg("warning: failed to change context of %s to %s", path, scontext);
+		}
+	}
+
+ out:
+	freecon(scontext);
+}
+
+#endif
+
 int install_main(int argc, char **argv);
 int install_main(int argc, char **argv)
 {
@@ -37,7 +76,9 @@ int install_main(int argc, char **argv)
 	const char *mode_str;
 	int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
 	int ret = EXIT_SUCCESS, flags, i, isdir;
-
+#if ENABLE_SELINUX
+	security_context_t scontext;
+#endif
 	enum {
 		OPT_CMD           =  0x1,
 		OPT_DIRECTORY     =  0x2,
@@ -46,14 +87,35 @@ int install_main(int argc, char **argv)
 		OPT_GROUP         = 0x10,
 		OPT_MODE          = 0x20,
 		OPT_OWNER         = 0x40,
+#if ENABLE_SELINUX
+		OPT_SET_SECURITY_CONTEXT = 0x80,
+		OPT_PRESERVE_SECURITY_CONTEXT = 0x100,
+#endif
 	};
 
 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
 	applet_long_options = install_long_options;
 #endif
-	opt_complementary = "?:s--d:d--s";
+	opt_complementary = "?:s--d:d--s" USE_SELINUX(":Z--\xff:\xff--Z");
-	/* -c exists for backwards compatibility, its needed */
+	/* -c exists for backwards compatibility, it's needed */
-	flags = getopt32(argc, argv, "cdpsg:m:o:", &gid_str, &mode_str, &uid_str);
+
+	flags = getopt32(argc, argv, "cdpsg:m:o:" USE_SELINUX("Z:"), &gid_str, &mode_str, &uid_str USE_SELINUX(, &scontext));
+	
+#if ENABLE_SELINUX
+	if (flags & OPT_PRESERVE_SECURITY_CONTEXT) {
+		use_default_selinux_context = 0;
+		copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
+		selinux_or_die();
+	}
+	if (flags & OPT_SET_SECURITY_CONTEXT) {
+		selinux_or_die();
+		if (setfscreatecon(scontext) < 0) {
+			bb_error_msg_and_die("setfscreatecon(%s)", scontext); // perror?
+		}
+		use_default_selinux_context = 0;
+		copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT;
+	}
+#endif
 
 	/* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */
 	if (flags & OPT_PRESERVE_TIME) {
@@ -117,7 +179,10 @@ int install_main(int argc, char **argv)
 			bb_perror_msg("cannot change permissions of %s", dest);
 			ret = EXIT_FAILURE;
 		}
-
+#if ENABLE_SELINUX
+		if (use_default_selinux_context)
+			setdefaultfilecon(dest);
+#endif
 		/* Set the user and group id */
 		if ((flags & (OPT_OWNER|OPT_GROUP))
 		 && lchown(dest, uid, gid) == -1

coreutils/libcoreutils/getopt_mk_fifo_nod.c

@@ -30,11 +30,25 @@ mode_t getopt_mk_fifo_nod(int argc, char **argv)
 {
 	mode_t mode = 0666;
 	char *smode = NULL;
-
+#if ENABLE_SELINUX
-	getopt32(argc, argv, "m:", &smode);
+	security_context_t scontext;
-	if(smode) {
+#endif
+	int opt;
+	opt = getopt32(argc, argv, "m:" USE_SELINUX("Z:"), &smode USE_SELINUX(,&scontext));
+	if (opt & 1) {
 		if (bb_parse_mode(smode, &mode))
 			umask(0);
 	}
+
+#if ENABLE_SELINUX
+	if (opt & 2) {
+		selinux_or_die();
+		if (setfscreatecon(scontext)) {
+			bb_error_msg_and_die("cannot set default file creation context "
+					      "to %s", scontext);
+		}
+	}
+#endif
+
 	return mode;
 }

coreutils/ls.c

@@ -716,7 +716,8 @@ static const char ls_options[] = "Cadil1gnsxAk"
 	USE_FEATURE_LS_RECURSIVE("R")
 	USE_FEATURE_HUMAN_READABLE("h")
 	USE_SELINUX("K")
-	USE_FEATURE_AUTOWIDTH("T:w:");
+	USE_FEATURE_AUTOWIDTH("T:w:")
+	USE_SELINUX("Z");
 
 enum {
 	LIST_MASK_TRIGGER	= 0,
@@ -768,6 +769,9 @@ static const unsigned opt_flags[] = {
 #endif
 #if ENABLE_FEATURE_AUTOWIDTH
 	0, 0,                       /* T, w - ignored */
+#endif
+#if ENABLE_SELINUX	
+	LIST_MODEBITS|LIST_ID_NAME|LIST_CONTEXT, /* Z */
 #endif
 	(1U<<31)
 };

coreutils/mkdir.c

@@ -16,6 +16,9 @@
  * conjunction with -m.
  */
 
+/* Nov 28, 2006      Yoshinori Sato <ysato@users.sourceforge.jp>: Add SELinux Support.
+ */
+
 #include <stdlib.h>
 #include <unistd.h>
 #include <getopt.h> /* struct option */
@@ -25,6 +28,9 @@
 static const struct option mkdir_long_options[] = {
 	{ "mode", 1, NULL, 'm' },
 	{ "parents", 0, NULL, 'p' },
+#if ENABLE_SELINUX
+	{ "context", 1, NULL, 'Z' },
+#endif
 	{ 0, 0, 0, 0 }
 };
 #endif
@@ -37,11 +43,14 @@ int mkdir_main(int argc, char **argv)
 	int flags = 0;
 	unsigned opt;
 	char *smode;
+#if ENABLE_SELINUX
+	security_context_t scontext;
+#endif
 
 #if ENABLE_FEATURE_MKDIR_LONG_OPTIONS
 	applet_long_options = mkdir_long_options;
 #endif
-	opt = getopt32(argc, argv, "m:p", &smode);
+	opt = getopt32(argc, argv, "m:p" USE_SELINUX("Z:"), &smode USE_SELINUX(,&scontext));
 	if (opt & 1) {
 		mode = 0777;
 		if (!bb_parse_mode(smode, &mode)) {
@@ -50,6 +59,15 @@ int mkdir_main(int argc, char **argv)
 	}
 	if (opt & 2)
 		flags |= FILEUTILS_RECUR;
+#if ENABLE_SELINUX
+	if (opt & 4) {
+		selinux_or_die();
+		if (setfscreatecon(scontext)) {
+			bb_error_msg_and_die("cannot set default file creation context "
+					      "to %s", scontext);
+		}
+	}
+#endif
 
 	if (optind == argc) {
 		bb_show_usage();

coreutils/mv.c

@@ -3,6 +3,7 @@
  * Mini mv implementation for busybox
  *
  * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
+ * SELinux support by Yuichi Nakamura <ynakam@hitachisoft.jp>
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
@@ -44,6 +45,7 @@ int mv_main(int argc, char **argv)
 	unsigned long flags;
 	int dest_exists;
 	int status = 0;
+	int copy_flag = 0;
 
 #if ENABLE_FEATURE_MV_LONG_OPTIONS
 	applet_long_options = mv_long_options;
@@ -113,8 +115,11 @@ DO_MOVE:
 						goto RET_1;
 					}
 				}
-				if ((copy_file(*argv, dest,
+				copy_flag = FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS;
-					FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) >= 0) &&
+#if ENABLE_SELINUX
+				copy_flag |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
+#endif				
+				if ((copy_file(*argv, dest, copy_flag) >= 0) &&
 					(remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)) {
 					goto RET_0;
 				}

coreutils/stat.c

@@ -5,6 +5,7 @@
  * Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation.
  * Copyright (C) 2005 by Erik Andersen <andersen@codepoet.org>
  * Copyright (C) 2005 by Mike Frysinger <vapier@gentoo.org>
+ * Copyright (C) 2006 by Yoshinori Sato <ysato@users.sourceforge.jp>
  *
  * Written by Michael Meskes
  * Taken from coreutils and turned into a busybox applet by Mike Frysinger
@@ -17,6 +18,7 @@
 /* vars to control behavior */
 #define OPT_TERSE 2
 #define OPT_DEREFERENCE 4
+#define OPT_SELINUX 8
 static long flags;
 
 static char const *file_type(struct stat const *st)
@@ -114,7 +116,8 @@ static char const *human_fstype(long f_type)
 #ifdef CONFIG_FEATURE_STAT_FORMAT
 /* print statfs info */
 static void print_statfs(char *pformat, size_t buf_len, char m,
-			 char const *filename, void const *data)
+			 char const *filename, void const *data
+						 USE_SELINUX(,security_context_t scontext) )
 {
 	struct statfs const *statfsbuf = data;
 
@@ -164,6 +167,14 @@ static void print_statfs(char *pformat, size_t buf_len, char m,
 		strncat(pformat, "jd", buf_len);
 		printf(pformat, (intmax_t) (statfsbuf->f_ffree));
 		break;
+#if ENABLE_SELINUX
+	case 'C':
+		if (flags & OPT_SELINUX) {
+			strncat(pformat, "s", buf_len);
+			printf(scontext);
+		}
+		break;
+#endif
 	default:
 		strncat(pformat, "c", buf_len);
 		printf(pformat, m);
@@ -173,7 +184,8 @@ static void print_statfs(char *pformat, size_t buf_len, char m,
 
 /* print stat info */
 static void print_stat(char *pformat, size_t buf_len, char m,
-		       char const *filename, void const *data)
+		       char const *filename, void const *data
+			   USE_SELINUX(, security_context_t scontext))
 {
 #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
 	struct stat *statbuf = (struct stat *) data;
@@ -301,6 +313,14 @@ static void print_stat(char *pformat, size_t buf_len, char m,
 		strncat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu", buf_len);
 		printf(pformat, (unsigned long int) statbuf->st_ctime);
 		break;
+#if ENABLE_SELINUX
+	case 'C':
+		if (flags & OPT_SELINUX) {
+			strncat(pformat, "s", buf_len);
+			printf(pformat, scontext);
+		}
+		break;
+#endif
 	default:
 		strncat(pformat, "c", buf_len);
 		printf(pformat, m);
@@ -309,8 +329,9 @@ static void print_stat(char *pformat, size_t buf_len, char m,
 }
 
 static void print_it(char const *masterformat, char const *filename,
-		     void (*print_func) (char *, size_t, char, char const *, void const *),
+		     void (*print_func) (char *, size_t, char, char const *, void const *
-		     void const *data)
+								 USE_SELINUX(, security_context_t scontext)),
+					 void const *data USE_SELINUX(, security_context_t scontext) )
 {
 	char *b;
 
@@ -350,7 +371,7 @@ static void print_it(char const *masterformat, char const *filename,
 			putchar('%');
 			break;
 		default:
-			print_func(dest, n_alloc, *p, filename, data);
+			print_func(dest, n_alloc, *p, filename, data USE_SELINUX(,scontext));
 			break;
 		}
 	}
@@ -365,6 +386,16 @@ static int do_statfs(char const *filename, char const *format)
 {
 	struct statfs statfsbuf;
 
+#if ENABLE_SELINUX
+	security_context_t scontext = NULL;
+	if (flags & OPT_SELINUX) {
+		if ((flags & OPT_DEREFERENCE ? lgetfilecon(filename, scontext):
+		     getfilecon(filename, scontext))< 0) {
+			bb_perror_msg(filename);
+			return 0;
+		}
+	}
+#endif
 	if (statfs(filename, &statfsbuf) != 0) {
 		bb_perror_msg("cannot read file system information for '%s'", filename);
 		return 0;
@@ -372,6 +403,7 @@ static int do_statfs(char const *filename, char const *format)
 
 #ifdef CONFIG_FEATURE_STAT_FORMAT
 	if (format == NULL)
+#ifndef ENABLE_SELINUX
 		format = (flags & OPT_TERSE
 			? "%n %i %l %t %s %b %f %a %c %d\n"
 			: "  File: \"%n\"\n"
@@ -379,9 +411,27 @@ static int do_statfs(char const *filename, char const *format)
 			  "Block size: %-10s\n"
 			  "Blocks: Total: %-10b Free: %-10f Available: %a\n"
 			  "Inodes: Total: %-10c Free: %d");
-	print_it(format, filename, print_statfs, &statfsbuf);
+	print_it(format, filename, print_statfs, &statfsbuf USE_SELINUX(, scontext));
 #else
-
+	format = (flags & OPT_TERSE
+			? (flags & OPT_SELINUX ? "%n %i %l %t %s %b %f %a %c %d %C\n":
+			"%n %i %l %t %s %b %f %a %c %d\n")
+			: (flags & OPT_SELINUX ? 
+			"  File: \"%n\"\n"
+			"    ID: %-8i Namelen: %-7l Type: %T\n"
+			"Block size: %-10s\n"
+			"Blocks: Total: %-10b Free: %-10f Available: %a\n"
+			"Inodes: Total: %-10c Free: %d"
+			"  S_context: %C\n":
+			"  File: \"%n\"\n"
+			"    ID: %-8i Namelen: %-7l Type: %T\n"
+			"Block size: %-10s\n"
+			"Blocks: Total: %-10b Free: %-10f Available: %a\n"
+			"Inodes: Total: %-10c Free: %d\n")
+			);
+	print_it(format, filename, print_statfs, &statfsbuf USE_SELINUX(, scontext));
+#endif /* SELINUX */
+#else /* FEATURE_STAT_FORMAT */
 	format = (flags & OPT_TERSE
 		? "%s %llx %lu "
 		: "  File: \"%s\"\n"
@@ -396,6 +446,7 @@ static int do_statfs(char const *filename, char const *format)
 	else
 		printf("Type: %s\n", human_fstype(statfsbuf.f_type));
 
+#if !ENABLE_SELINUX
 	format = (flags & OPT_TERSE
 		? "%lu %ld %ld %ld %ld %ld\n"
 		: "Block size: %-10lu\n"
@@ -408,8 +459,31 @@ static int do_statfs(char const *filename, char const *format)
 	       (intmax_t) (statfsbuf.f_bavail),
 	       (intmax_t) (statfsbuf.f_files),
 	       (intmax_t) (statfsbuf.f_ffree));
-#endif
+#else
+	format = (flags & OPT_TERSE
+		? (flags & OPT_SELINUX ? "%lu %ld %ld %ld %ld %ld %C\n":
+		"%lu %ld %ld %ld %ld %ld\n")
+		: (flags & OPT_SELINUX ?
+		"Block size: %-10lu\n"
+		"Blocks: Total: %-10jd Free: %-10jd Available: %jd\n"
+		"Inodes: Total: %-10jd Free: %jd"
+		"S_context: %C\n":
+		"Block size: %-10lu\n"
+		"Blocks: Total: %-10jd Free: %-10jd Available: %jd\n"
+		"Inodes: Total: %-10jd Free: %jd\n"));
+	printf(format,
+	       (unsigned long int) (statfsbuf.f_bsize),
+	       (intmax_t) (statfsbuf.f_blocks),
+	       (intmax_t) (statfsbuf.f_bfree),
+	       (intmax_t) (statfsbuf.f_bavail),
+	       (intmax_t) (statfsbuf.f_files),
+	       (intmax_t) (statfsbuf.f_ffree),
+		scontext);
 
+	if (scontext)
+		freecon(scontext);
+#endif
+#endif	/* FEATURE_STAT_FORMAT */
 	return 1;
 }
 
@@ -417,7 +491,16 @@ static int do_statfs(char const *filename, char const *format)
 static int do_stat(char const *filename, char const *format)
 {
 	struct stat statbuf;
-
+#if ENABLE_SELINUX
+	security_context_t scontext = NULL;
+	if (flags & OPT_SELINUX) {
+		if ((flags & OPT_DEREFERENCE ? lgetfilecon(filename, scontext):
+		     getfilecon(filename, scontext))< 0) {
+			bb_perror_msg (filename);
+			return 0;
+		}
+	}
+#endif
 	if ((flags & OPT_DEREFERENCE ? stat : lstat) (filename, &statbuf) != 0) {
 		bb_perror_msg("cannot stat '%s'", filename);
 		return 0;
@@ -425,6 +508,7 @@ static int do_stat(char const *filename, char const *format)
 
 #ifdef CONFIG_FEATURE_STAT_FORMAT
 	if (format == NULL) {
+#ifndef ENABLE_SELINUX
 		if (flags & OPT_TERSE) {
 			format = "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o";
 		} else {
@@ -445,11 +529,49 @@ static int do_stat(char const *filename, char const *format)
 					"Access: %x\n" "Modify: %y\n" "Change: %z\n";
 			}
 		}
-	}
-	print_it(format, filename, print_stat, &statbuf);
 #else
 		if (flags & OPT_TERSE) {
-		printf("%s %ju %ju %lx %lu %lu %jx %ju %lu %lx %lx %lu %lu %lu %lu\n",
+			format = (flags & OPT_SELINUX ? 
+				  "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o %C\n":
+				  "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o\n");
+		} else {
+			if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) {
+				format = (flags & OPT_SELINUX ?
+					  "  File: \"%N\"\n"
+					  "  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
+					  "Device: %Dh/%dd\tInode: %-10i  Links: %-5h"
+					  " Device type: %t,%T\n"
+					  "Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
+					  "   S_Context: %C\n"
+					  "Access: %x\n" "Modify: %y\n" "Change: %z\n":
+					  "  File: \"%N\"\n"
+					  "  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
+					  "Device: %Dh/%dd\tInode: %-10i  Links: %-5h"
+					  " Device type: %t,%T\n"
+					  "Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
+					  "Access: %x\n" "Modify: %y\n" "Change: %z\n");
+			} else {
+				format = (flags & OPT_SELINUX ?
+					  "  File: \"%N\"\n"
+					  "  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
+					  "Device: %Dh/%dd\tInode: %-10i  Links: %h\n"
+					  "Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
+					  "S_Context: %C\n"
+					  "Access: %x\n" "Modify: %y\n" "Change: %z\n":
+					  "  File: \"%N\"\n"
+					  "  Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n"
+					  "Device: %Dh/%dd\tInode: %-10i  Links: %h\n"
+					  "Access: (%04a/%10.10A)  Uid: (%5u/%8U)   Gid: (%5g/%8G)\n"
+					  "Access: %x\n" "Modify: %y\n" "Change: %z\n");
+			}
+		}
+#endif
+	}
+	print_it(format, filename, print_stat, &statbuf USE_SELINUX(, scontext));
+#else	/* FEATURE_STAT_FORMAT */
+	if (flags & OPT_TERSE) {
+		printf("%s %ju %ju %lx %lu %lu %jx %ju %lu %lx %lx %lu %lu %lu %lu"
+		       SKIP_SELINUX("\n"),
 		       filename,
 		       (uintmax_t) (statbuf.st_size),
 		       (uintmax_t) statbuf.st_blocks,
@@ -466,6 +588,12 @@ static int do_stat(char const *filename, char const *format)
 		       (unsigned long int) statbuf.st_ctime,
 		       (unsigned long int) statbuf.st_blksize
 		);
+#if ENABLE_SELINUX
+		if (flags & OPT_SELINUX)
+			printf(" %lc\n", *scontext);
+		else
+			putchar('\n');
+#endif
 	} else {
 		char *linkname = NULL;
 
@@ -499,19 +627,22 @@ static int do_stat(char const *filename, char const *format)
 			       (unsigned long int) minor(statbuf.st_rdev));
 		else
 			putchar('\n');
-		printf("Access: (%04lo/%10.10s)  Uid: (%5lu/%8s)   Gid: (%5lu/%8s)\n"
+		printf("Access: (%04lo/%10.10s)  Uid: (%5lu/%8s)   Gid: (%5lu/%8s)\n",
-		       "Access: %s\n" "Modify: %s\n" "Change: %s\n",
 		       (unsigned long int) (statbuf.st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)),
 		       bb_mode_string(statbuf.st_mode),
 		       (unsigned long int) statbuf.st_uid,
 		       (pw_ent != 0L) ? pw_ent->pw_name : "UNKNOWN",
 		       (unsigned long int) statbuf.st_gid,
-		       (gw_ent != 0L) ? gw_ent->gr_name : "UNKNOWN",
+		       (gw_ent != 0L) ? gw_ent->gr_name : "UNKNOWN");
+#if ENABLE_SELINUX
+		printf("   S_Context: %lc\n", *scontext);
+#endif
+		printf("Access: %s\n" "Modify: %s\n" "Change: %s\n",
 		       human_time(statbuf.st_atime),
 		       human_time(statbuf.st_mtime),
 		       human_time(statbuf.st_ctime));
 	}
-#endif
+#endif	/* FEATURE_STAT_FORMAT */
 	return 1;
 }
 
@@ -524,6 +655,7 @@ int stat_main(int argc, char **argv)
 	int (*statfunc)(char const *, char const *) = do_stat;
 
 	flags = getopt32(argc, argv, "ftL"
+		USE_SELINUX("Z")
 		USE_FEATURE_STAT_FORMAT("c:", &format)
 	);
 
@@ -532,6 +664,11 @@ int stat_main(int argc, char **argv)
 	if (argc == optind)           /* files */
 		bb_show_usage();
 
+#if ENABLE_SELINUX
+	if (flags & OPT_SELINUX) {
+		selinux_or_die();
+	}
+#endif	/* ENABLE_SELINUX */
 	for (i = optind; i < argc; ++i)
 		ok &= statfunc(argv[i], format);
 

include/applets.h

@@ -69,6 +69,7 @@ USE_CAL(APPLET(cal, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_CAT(APPLET(cat, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_CATV(APPLET(catv, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_CHATTR(APPLET(chattr, _BB_DIR_BIN, _BB_SUID_NEVER))
+USE_CHCON(APPLET(chcon, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_CHGRP(APPLET(chgrp, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_CHMOD(APPLET(chmod, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_CHOWN(APPLET(chown, _BB_DIR_BIN, _BB_SUID_NEVER))
@@ -249,6 +250,7 @@ USE_ROUTE(APPLET(route, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_RPM(APPLET(rpm, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_RPM2CPIO(APPLET(rpm2cpio, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_RUN_PARTS(APPLET_ODDNAME(run-parts, run_parts, _BB_DIR_BIN, _BB_SUID_NEVER, run_parts))
+USE_RUNCON(APPLET(runcon, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_RUNLEVEL(APPLET(runlevel, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_RUNSV(APPLET(runsv, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_RUNSVDIR(APPLET(runsvdir, _BB_DIR_USR_BIN, _BB_SUID_NEVER))

include/libbb.h

@@ -742,7 +742,7 @@ void *md5_end(void *resbuf, md5_ctx_t *ctx);
 uint32_t *crc32_filltable(int endian);
 
 
-enum {	/* DO NOT CHANGE THESE VALUES!  cp.c depends on them. */
+enum {	/* DO NOT CHANGE THESE VALUES!  cp.c, mv.c, install.c depend on them. */
 	FILEUTILS_PRESERVE_STATUS = 1,
 	FILEUTILS_DEREFERENCE = 2,
 	FILEUTILS_RECUR = 4,
@@ -750,9 +750,13 @@ enum {	/* DO NOT CHANGE THESE VALUES!  cp.c depends on them. */
 	FILEUTILS_INTERACTIVE = 0x10,
 	FILEUTILS_MAKE_HARDLINK = 0x20,
 	FILEUTILS_MAKE_SOFTLINK = 0x40,
+#if ENABLE_SELINUX
+	FILEUTILS_PRESERVE_SECURITY_CONTEXT = 0x80,
+	FILEUTILS_SET_SECURITY_CONTEXT = 0x100
+#endif
 };
-#define FILEUTILS_CP_OPTSTR "pdRfils"
 
+#define FILEUTILS_CP_OPTSTR "pdRfils" USE_SELINUX("c")
 extern const char *applet_name;
 extern const char BB_BANNER[];
 

include/usage.h

@@ -198,6 +198,24 @@
        "	-R	Recursively list subdirectories\n" \
        "	-v	Set the file's version/generation number"
 
+#define chcon_trivial_usage \
+       "[OPTIONS] CONTEXT FILE...\n" \
+       "	chcon [OPTIONS] [-u USER] [-r ROLE] [-l RANGE] [-t TYPE] FILE...\n" \
+       "	chcon [OPTIONS] --reference=RFILE FILE...\n"
+#define chcon_full_usage \
+       "Change the security context of each FILE to CONTEXT\n\n" \
+       "	-c, --changes		Like verbose but report only when a change is made\n" \
+       "	-h, --no-dereference	Affect symbolic links instead of any referenced file\n" \
+       "				(available only on systems with lchown system call)\n" \
+       "	-f, --silent, --quiet	Suppress most error messages\n" \
+       "	--reference=RFILE	Use RFILE's group instead of using a CONTEXT value\n" \
+       "	-u, --user=USER		Set user USER in the target security context\n" \
+       "	-r, --role=ROLE		Set role ROLE in the target security context\n" \
+       "	-t, --type=TYPE		Set type TYPE in the target security context\n" \
+       "	-l, --range=RANGE	Set range RANGE in the target security context\n" \
+       "	-R, --recursive		Recurse subdirs\n" \
+       "	-v, --verbose		Verbose mode" \
+
 #define chgrp_trivial_usage \
        "[-Rh"USE_DESKTOP("cvf")"]... GROUP FILE..."
 #define chgrp_full_usage \
@@ -404,6 +422,9 @@
        "Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY" \
        "\n\nOptions:\n" \
        "	-a	Same as -dpR\n" \
+	USE_SELINUX( \
+       "	-c	Preserves security context\n" \
+	) \
        "	-d,-P	Preserve links\n" \
        "	-H,-L	Dereference all symlinks (implied by default)\n" \
        "	-p	Preserve file attributes if possible\n" \
@@ -1321,7 +1342,8 @@
        "Print information for USERNAME or the current user" \
        "\n\nOptions:\n" \
 	USE_SELINUX( \
-       "	-c	Prints only the security context\n") \
+       "	-Z	prints only the security context\n" \
+	) \
        "	-g	Prints only the group ID\n" \
        "	-u	Prints only the user ID\n" \
        "	-n	Print a name instead of a number\n" \
@@ -1540,7 +1562,10 @@
        "	-m	Set permission modes\n" \
        "	-o	Set ownership\n" \
        "	-p	Preserve date\n" \
-       "	-s	Strip symbol tables"
+       "	-s	Strip symbol tables" \
+	USE_SELINUX( \
+       "\n	-Z	Set security context of copy" \
+	)
 
 #define ip_trivial_usage \
        "[OPTIONS] {address | link | route | tunnel | rule} {COMMAND}"
@@ -1850,7 +1875,9 @@
 	USE_SELINUX( \
        "\n	-k	Print security context") \
 	USE_SELINUX( \
-       "\n	-K	Print security context in long format")
+       "\n	-K	Print security context in long format") \
+	USE_SELINUX( \
+       "\n	-Z	Print security context and permission")
 
 #define lsattr_trivial_usage \
        "[-Radlv] [files...]"
@@ -1995,7 +2022,11 @@
        "Create the DIRECTORY(ies) if they do not already exist" \
        "\n\nOptions:\n" \
        "	-m	Set permission mode (as in chmod), not rwxrwxrwx - umask\n" \
-       "	-p	No error if existing, make parent directories as needed"
+       "	-p	No error if existing, make parent directories as needed" \
+	USE_SELINUX( \
+       "\n	-Z	Set security context" \
+	)
+
 #define mkdir_example_usage \
        "$ mkdir /tmp/foo\n" \
        "$ mkdir /tmp/foo\n" \
@@ -2040,7 +2071,10 @@
 #define mkfifo_full_usage \
        "Create a named pipe (identical to 'mknod name p')" \
        "\n\nOptions:\n" \
-       "	-m	Create the pipe using the specified mode (default a=rw)"
+       "	-m	Create the pipe using the specified mode (default a=rw)" \
+	USE_SELINUX( \
+       "\n	-Z	Set security context" \
+	)
 
 #define mkfs_minix_trivial_usage \
        "[-c | -l filename] [-nXX] [-iXX] /dev/name [blocks]"
@@ -2062,7 +2096,11 @@
        "\n\nTYPEs include:\n" \
        "	b:	Make a block (buffered) device\n" \
        "	c or u:	Make a character (un-buffered) device\n" \
-       "	p:	Make a named pipe. MAJOR and MINOR are ignored for named pipes"
+       "	p:	Make a named pipe. MAJOR and MINOR are ignored for named pipes" \
+	USE_SELINUX( \
+       "\n	-Z	Set security context" \
+	)
+
 #define mknod_example_usage \
        "$ mknod /dev/fd0 b 2 0\n" \
        "$ mknod -m 644 /tmp/pipe p\n"
@@ -2698,6 +2736,20 @@
 #define rpm2cpio_full_usage \
        "Output a cpio archive of the rpm file"
 
+#define runcon_trivial_usage \
+	"[-c] [-u USER] [-r ROLE] [-t TYPE] [-l RANGE] COMMAND [args]\n" \
+	"       runcon CONTEXT COMMAND [args]"
+#define runcon_full_usage \
+       "runcon [-c] [-u USER] [-r ROLE] [-t TYPE] [-l RANGE] COMMAND [args]\n" \
+       "runcon CONTEXT COMMAND [args]\n" \
+       "Run a program in a different security context\n\n" \
+       "	CONTEXT		Complete security context\n" \
+       "	-c, --compute	Compute process transition context before modifying\n" \
+       "	-t, --type=TYPE	Type (for same role as parent)\n" \
+       "	-u, --user=USER	User identity\n" \
+       "	-r, --role=ROLE	Role\n" \
+       "	-l, --range=RNG	Levelrange" \
+
 #define run_parts_trivial_usage \
        "[-t] [-a ARG] [-u MASK] DIRECTORY"
 #define run_parts_full_usage \
@@ -2924,6 +2976,9 @@
        "	-f	Display filesystem status\n" \
        "	-L,-l	Dereference links\n" \
        "	-t	Display info in terse form" \
+	USE_SELINUX( \
+       "\n	-Z	Print security context" \
+	) \
 	USE_FEATURE_STAT_FORMAT( \
        "\n\nValid format sequences for files:\n" \
        " %a	Access rights in octal\n" \
@@ -2958,6 +3013,9 @@
        " %c	Total file nodes in file system\n" \
        " %d	Free file nodes in file system\n" \
        " %f	Free blocks in file system\n" \
+	USE_SELINUX( \
+       " %C	Security context in SELinux\n" \
+	) \
        " %i	File System ID in hex\n" \
        " %l	Maximum length of filenames\n" \
        " %n	File name\n" \

libbb/copy_file.c

@@ -3,6 +3,7 @@
  * Mini copy_file implementation for busybox
  *
  * Copyright (C) 2001 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
+ * SELinux support by Yuichi Nakamura <ynakam@hitachisoft.jp>
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  *
@@ -62,6 +63,26 @@ int copy_file(const char *source, const char *dest, int flags)
 		dest_exists = 1;
 	}
 
+#if ENABLE_SELINUX
+	if ((flags & FILEUTILS_PRESERVE_SECURITY_CONTEXT) && is_selinux_enabled() > 0) {
+		security_context_t con;
+		if (lgetfilecon(source, &con) >= 0) {
+			if (setfscreatecon(con) < 0) {
+				bb_perror_msg("cannot set setfscreatecon %s", con);
+				freecon(con);
+				return -1;
+			}
+		} else {
+			if (errno == ENOTSUP || errno == ENODATA) {
+				setfscreatecon(NULL);
+			} else {
+				bb_perror_msg("cannot lgetfilecon %s", source);
+				return -1;
+			}
+		}
+	}
+#endif
+
 	if (S_ISDIR(source_stat.st_mode)) {
 		DIR *dp;
 		struct dirent *d;
@@ -204,6 +225,25 @@ int copy_file(const char *source, const char *dest, int flags)
 			}
 		}
 
+#if ENABLE_SELINUX
+		if (((flags & FILEUTILS_PRESERVE_SECURITY_CONTEXT)
+		    || (flags & FILEUTILS_SET_SECURITY_CONTEXT))
+		 && is_selinux_enabled() > 0) {
+			security_context_t con;  
+			if (getfscreatecon(&con) == -1) {
+				bb_perror_msg("getfscreatecon");
+				return -1;
+			}				
+			if (con) {
+				if(setfilecon(dest, con) == -1) {
+					bb_perror_msg("setfilecon:%s,%s", dest, con);
+					freecon(con);
+					return -1;
+				}
+				freecon(con);
+			}
+		}
+#endif
 		if (bb_copyfd_eof(src_fd, dst_fd) == -1)
 			status = -1;
 		if (close(dst_fd) < 0) {

selinux/Config.in

@@ -6,6 +6,20 @@
 menu "Selinux Utilities"
 	depends on SELINUX
 
+config CHCON
+	bool "chcon"
+	default n
+	depends on SELINUX
+	help
+	  Enable support to change the security context of file.
+
+config FEATURE_CHCON_LONG_OPTIONS
+	bool "Enable long options"
+	default y
+	depends on CHCON && GETOPT_LONG
+	help
+	  Support long options for the chcon applet.
+
 config GETENFORCE
 	bool "getenforce"
 	default n
@@ -28,6 +42,20 @@ config MATCHPATHCON
 	  Enable support to get default security context of the
 	  specified path from the file contexts configuration.
 
+config RUNCON
+	bool "runcon"
+	default n
+	depends on SELINUX
+	help
+	  Enable support to run command in speficied security context.
+
+config FEATURE_RUNCON_LONG_OPTIONS
+	bool "Enable long options"
+	default y
+	depends on RUNCON && GETOPT_LONG
+	help
+	  Support long options for the runcon applet.
+
 config SELINUXENABLED
 	bool "selinuxenabled"
 	default n

selinux/Kbuild

@@ -6,8 +6,10 @@
 # Licensed under the GPL v2, see the file LICENSE in this tarball.
 
 lib-y:=
+lib-$(CONFIG_CHCON)		+= chcon.o
 lib-$(CONFIG_GETENFORCE)	+= getenforce.o
 lib-$(CONFIG_GETSEBOOL)		+= getsebool.o
 lib-$(CONFIG_MATCHPATHCON)	+= matchpathcon.o
+lib-$(CONFIG_RUNCON)		+= runcon.o
 lib-$(CONFIG_SELINUXENABLED)	+= selinuxenabled.o
 lib-$(CONFIG_SETENFORCE)	+= setenforce.o