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