From c71b469f5daceb717e31cc9ce46b0e058e2c57b6 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 2 Feb 2011 03:28:56 +0100 Subject: libbb: make BB_EXECVP/LP try to exec real binary if there's no /proc/self/exe Signed-off-by: Denys Vlasenko --- libbb/execable.c | 10 +++++----- libbb/vfork_daemon_rexec.c | 12 ++++++------ 2 files changed, 11 insertions(+), 11 deletions(-) (limited to 'libbb') diff --git a/libbb/execable.c b/libbb/execable.c index d376400..178a00a 100644 --- a/libbb/execable.c +++ b/libbb/execable.c @@ -68,12 +68,12 @@ int FAST_FUNC exists_execable(const char *filename) } #if ENABLE_FEATURE_PREFER_APPLETS -/* just like the real execvp, but try to launch an applet named 'file' first - */ -int FAST_FUNC bb_execvp(const char *file, char *const argv[]) +/* just like the real execvp, but try to launch an applet named 'file' first */ +int FAST_FUNC BB_EXECVP(const char *file, char *const argv[]) { - return execvp(find_applet_by_name(file) >= 0 ? bb_busybox_exec_path : file, - argv); + if (find_applet_by_name(file) >= 0) + execvp(bb_busybox_exec_path, argv); + return execvp(file, argv); } #endif diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c index 5e0fb0d..cb4781a 100644 --- a/libbb/vfork_daemon_rexec.c +++ b/libbb/vfork_daemon_rexec.c @@ -182,17 +182,17 @@ int FAST_FUNC spawn_and_wait(char **argv) int a = find_applet_by_name(argv[0]); if (a >= 0 && (APPLET_IS_NOFORK(a) -#if BB_MMU +# if BB_MMU || APPLET_IS_NOEXEC(a) /* NOEXEC trick needs fork() */ -#endif +# endif )) { -#if BB_MMU +# if BB_MMU if (APPLET_IS_NOFORK(a)) -#endif +# endif { return run_nofork_applet(a, argv); } -#if BB_MMU +# if BB_MMU /* MMU only */ /* a->noexec is true */ rc = fork(); @@ -201,7 +201,7 @@ int FAST_FUNC spawn_and_wait(char **argv) /* child */ xfunc_error_retval = EXIT_FAILURE; run_applet_no_and_exit(a, argv); -#endif +# endif } #endif /* FEATURE_PREFER_APPLETS */ rc = spawn(argv); -- cgit v1.1