- BR uClibc-static >= 3:0.9.30.1 (it has combreloc|relro filtering built in)

[packages/busybox.git] / busybox-standalone.patch

diff -urpN busybox-1.12.1/coreutils/env.c busybox-1.12.1-standalone/coreutils/env.c
--- busybox-1.12.1/coreutils/env.c	2008-09-28 20:04:18.000000000 +0200
+++ busybox-1.12.1-standalone/coreutils/env.c	2008-10-20 10:21:54.000000000 +0200
@@ -29,6 +29,8 @@
  * - use xfunc_error_retval
  */
 
+/* This is a NOEXEC applet. Be very careful! */
+
 #include "libbb.h"
 
 #if ENABLE_FEATURE_ENV_LONG_OPTIONS
@@ -119,5 +121,3 @@ int env_main(int argc UNUSED_PARAM, char
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
-
diff -urpN busybox-1.12.1/include/applets.h busybox-1.12.1-standalone/include/applets.h
--- busybox-1.12.1/include/applets.h	2008-09-28 20:04:26.000000000 +0200
+++ busybox-1.12.1-standalone/include/applets.h	2008-10-20 10:21:54.000000000 +0200
@@ -136,7 +136,7 @@ USE_ECHO(APPLET_NOFORK(echo, echo, _BB_D
 USE_ED(APPLET(ed, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_FEATURE_GREP_EGREP_ALIAS(APPLET_ODDNAME(egrep, grep, _BB_DIR_BIN, _BB_SUID_NEVER, egrep))
 USE_EJECT(APPLET(eject, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
-USE_ENV(APPLET(env, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+USE_ENV(APPLET_NOEXEC(env, env, _BB_DIR_USR_BIN, _BB_SUID_NEVER, env))
 USE_ENVDIR(APPLET_ODDNAME(envdir, chpst, _BB_DIR_USR_BIN, _BB_SUID_NEVER, envdir))
 USE_ENVUIDGID(APPLET_ODDNAME(envuidgid, chpst, _BB_DIR_USR_BIN, _BB_SUID_NEVER, envuidgid))
 USE_ETHER_WAKE(APPLET_ODDNAME(ether-wake, ether_wake, _BB_DIR_USR_BIN, _BB_SUID_NEVER, ether_wake))
@@ -171,7 +171,7 @@ USE_GREP(APPLET(grep, _BB_DIR_BIN, _BB_S
 USE_GUNZIP(APPLET(gunzip, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_GZIP(APPLET(gzip, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_HALT(APPLET(halt, _BB_DIR_SBIN, _BB_SUID_NEVER))
-USE_HD(APPLET_ODDNAME(hd, hexdump, _BB_DIR_USR_BIN, _BB_SUID_NEVER, hd))
+USE_HD(APPLET_NOEXEC(hd, hexdump, _BB_DIR_USR_BIN, _BB_SUID_NEVER, hd))
 USE_HDPARM(APPLET(hdparm, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_HEAD(APPLET(head, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_HEXDUMP(APPLET_NOEXEC(hexdump, hexdump, _BB_DIR_USR_BIN, _BB_SUID_NEVER, hexdump))
diff -urpN busybox-1.12.1/libbb/getopt32.c busybox-1.12.1-standalone/libbb/getopt32.c
--- busybox-1.12.1/libbb/getopt32.c	2008-09-28 20:04:20.000000000 +0200
+++ busybox-1.12.1-standalone/libbb/getopt32.c	2008-10-20 10:21:34.000000000 +0200
@@ -515,28 +515,6 @@ getopt32(char **argv, const char *applet
 		}
 	}
 
-	/* In case getopt32 was already called:
-	 * reset the libc getopt() function, which keeps internal state.
-	 *
-	 * BSD-derived getopt() functions require that optind be set to 1 in
-	 * order to reset getopt() state.  This used to be generally accepted
-	 * way of resetting getopt().  However, glibc's getopt()
-	 * has additional getopt() state beyond optind, and requires that
-	 * optind be set to zero to reset its state.  So the unfortunate state of
-	 * affairs is that BSD-derived versions of getopt() misbehave if
-	 * optind is set to 0 in order to reset getopt(), and glibc's getopt()
-	 * will core dump if optind is set 1 in order to reset getopt().
-	 *
-	 * More modern versions of BSD require that optreset be set to 1 in
-	 * order to reset getopt().   Sigh.  Standards, anyone?
-	 */
-#ifdef __GLIBC__
-	optind = 0;
-#else /* BSD style */
-	optind = 1;
-	/* optreset = 1; */
-#endif
-	/* optarg = NULL; opterr = 0; optopt = 0; - do we need this?? */
 	pargv = NULL;
 
 	/* Note: just "getopt() <= 0" will not work well for
diff -urpN busybox-1.12.1/libbb/vfork_daemon_rexec.c busybox-1.12.1-standalone/libbb/vfork_daemon_rexec.c
--- busybox-1.12.1/libbb/vfork_daemon_rexec.c	2008-09-28 20:04:20.000000000 +0200
+++ busybox-1.12.1-standalone/libbb/vfork_daemon_rexec.c	2008-10-20 10:21:34.000000000 +0200
@@ -125,6 +125,7 @@ int FAST_FUNC run_nofork_applet_prime(st
 	int rc, argc;
 
 	applet_name = APPLET_NAME(applet_no);
+
 	xfunc_error_retval = EXIT_FAILURE;
 
 	/* Special flag for xfunc_die(). If xfunc will "die"
@@ -132,7 +133,30 @@ int FAST_FUNC run_nofork_applet_prime(st
 	 * die_sleep and longjmp here instead. */
 	die_sleep = -1;
 
-	/* option_mask32 = 0; - not needed */
+	/* In case getopt() or getopt32() was already called:
+	 * reset the libc getopt() function, which keeps internal state.
+	 *
+	 * BSD-derived getopt() functions require that optind be set to 1 in
+	 * order to reset getopt() state.  This used to be generally accepted
+	 * way of resetting getopt().  However, glibc's getopt()
+	 * has additional getopt() state beyond optind, and requires that
+	 * optind be set to zero to reset its state.  So the unfortunate state of
+	 * affairs is that BSD-derived versions of getopt() misbehave if
+	 * optind is set to 0 in order to reset getopt(), and glibc's getopt()
+	 * will core dump if optind is set 1 in order to reset getopt().
+	 *
+	 * More modern versions of BSD require that optreset be set to 1 in
+	 * order to reset getopt().  Sigh.  Standards, anyone?
+	 */
+#ifdef __GLIBC__
+	optind = 0;
+#else /* BSD style */
+	optind = 1;
+	/* optreset = 1; */
+#endif
+	/* optarg = NULL; opterr = 1; optopt = 63; - do we need this too? */
+	/* (values above are what they initialized to in glibc and uclibc) */
+	/* option_mask32 = 0; - not needed, no applet depends on it being 0 */
 
 	argc = 1;
 	while (argv[argc])
@@ -161,8 +185,16 @@ int FAST_FUNC run_nofork_applet_prime(st
 			rc = 0;
 	}
 
-	/* Restoring globals */
+	/* Restoring some globals */
 	restore_nofork_data(old);
+
+	/* Other globals can be simply reset to defaults */
+#ifdef __GLIBC__
+	optind = 0;
+#else /* BSD style */
+	optind = 1;
+#endif
+
 	return rc & 0xff; /* don't confuse people with "exitcodes" >255 */
 }
 
diff -urpN busybox-1.12.1/shell/ash.c busybox-1.12.1-standalone/shell/ash.c
--- busybox-1.12.1/shell/ash.c	2008-09-28 20:04:18.000000000 +0200
+++ busybox-1.12.1-standalone/shell/ash.c	2008-10-20 10:21:54.000000000 +0200
@@ -6964,8 +6964,11 @@ tryexec(USE_FEATURE_SH_STANDALONE(int ap
 
 #if ENABLE_FEATURE_SH_STANDALONE
 	if (applet_no >= 0) {
-		if (APPLET_IS_NOEXEC(applet_no))
+		if (APPLET_IS_NOEXEC(applet_no)) {
+			while (*envp)
+				putenv(*envp++);
 			run_applet_no_and_exit(applet_no, argv);
+		}
 		/* re-exec ourselves with the new arguments */
 		execve(bb_busybox_exec_path, argv, envp);
 		/* If they called chroot or otherwise made the binary no longer
@@ -12014,7 +12017,7 @@ exportcmd(int argc UNUSED_PARAM, char **
 	char *name;
 	const char *p;
 	char **aptr;
-	int flag = argv[0][0] == 'r'? VREADONLY : VEXPORT;
+	int flag = argv[0][0] == 'r' ? VREADONLY : VEXPORT;
 
 	if (nextopt("p") != 'p') {
 		aptr = argptr;
diff -urpN busybox-1.12.1/util-linux/getopt.c busybox-1.12.1-standalone/util-linux/getopt.c
--- busybox-1.12.1/util-linux/getopt.c	2008-09-28 20:04:30.000000000 +0200
+++ busybox-1.12.1-standalone/util-linux/getopt.c	2008-10-20 10:21:34.000000000 +0200
@@ -142,7 +142,8 @@ static const char *normalize(const char 
  * Other settings are found in global variables.
  */
 #if !ENABLE_GETOPT_LONG
-#define generate_output(argv,argc,optstr,longopts) generate_output(argv,argc,optstr)
+#define generate_output(argv,argc,optstr,longopts) \
+	generate_output(argv,argc,optstr)
 #endif
 static int generate_output(char **argv, int argc, const char *optstr, const struct option *longopts)
 {
@@ -156,14 +157,6 @@ static int generate_output(char **argv, 
 	if (quiet_errors) /* No error reporting from getopt(3) */
 		opterr = 0;
 
-	/* Reset getopt(3) (see libbb/getopt32.c for long rant) */
-#ifdef __GLIBC__
-	optind = 0;
-#else /* BSD style */
-	optind = 1;
-	/* optreset = 1; */
-#endif
-
 	while (1) {
 		opt =
 #if ENABLE_GETOPT_LONG