ash: [EVAL] Fix use-after-free in dotrap/evalstring

[oweals/busybox.git] / Config.in

diff --git a/Config.in b/Config.in
index 03c2d032f25be0d94284847134e443db68c7a51b..3d187096668b0acd1fbcd349df0ffa2cf13c5e9d 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -116,9 +116,21 @@ config FEATURE_COMPRESS_USAGE
          and have very little memory, this might not be a win. Otherwise,
          you probably want this.
 
+config BUSYBOX
+       bool "Include busybox applet"
+       default y
+       help
+         The busybox applet provides general help regarding busybox and
+         allows the included applets to be listed.  It's also required
+         if applet links are to be installed at runtime.
+
+         If you can live without these features disabling this will save
+         some space.
+
 config FEATURE_INSTALLER
        bool "Support --install [-s] to install applet links at runtime"
        default y
+       depends on BUSYBOX
        help
          Enable 'busybox --install [-s]' support. This will allow you to use
          busybox at runtime to create hard links or symlinks for all the
@@ -161,12 +173,13 @@ config UNICODE_USING_LOCALE
          Internal implementation is smaller.
 
 config FEATURE_CHECK_UNICODE_IN_ENV
-       bool "Check $LANG environment variable"
+       bool "Check $LC_ALL, $LC_CTYPE and $LANG environment variables"
        default n
        depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
        help
          With this option on, Unicode support is activated
-         only if LANG variable has the value of the form "xxxx.utf8"
+         only if locale-related variables have the value of the form
+         "xxxx.utf8"
 
          Otherwise, Unicode support will be always enabled and active.
 
@@ -256,6 +269,26 @@ config UNICODE_PRESERVE_BROKEN
          at shell prompt will list file named 0xff (single char name
          with char value 255), not file named '?'.
 
+config PAM
+       bool "Support for PAM (Pluggable Authentication Modules)"
+       default n
+       help
+         Use PAM in some busybox applets (currently login and httpd) instead
+         of direct access to password database.
+
+config FEATURE_USE_SENDFILE
+       bool "Use sendfile system call"
+       default y
+       select PLATFORM_LINUX
+       help
+         When enabled, busybox will use the kernel sendfile() function
+         instead of read/write loops to copy data between file descriptors
+         (for example, cp command does this a lot).
+         If sendfile() doesn't work, copying code falls back to read/write
+         loop. sendfile() was originally implemented for faster I/O
+         from files to sockets, but since Linux 2.6.33 it was extended
+         to work for many more file types.
+
 config LONG_OPTS
        bool "Support for --long-options"
        default y
@@ -415,10 +448,7 @@ config SELINUX
          the option of compiling in SELinux applets.
 
          If you do not have a complete SELinux userland installed, this stuff
-         will not compile. Go visit
-               http://www.nsa.gov/selinux/index.html
-         to download the necessary stuff to allow busybox to compile with
-         this option enabled. Specifially, libselinux 1.28 or better is
+         will not compile.  Specifially, libselinux 1.28 or better is
          directly required by busybox. If the installation is located in a
          non-standard directory, provide it by invoking make as follows:
                CFLAGS=-I<libselinux-include-path> \
@@ -670,6 +700,24 @@ config DEBUG_PESSIMIZE
          in a much bigger executable that more closely matches the source
          code.
 
+config DEBUG_SANITIZE
+       bool "Enable runtime sanitizers (ASAN/LSAN/USAN/etc...)"
+       default n
+       help
+         Say Y here if you want to enable runtime sanitizers. These help
+         catch bad memory accesses (e.g. buffer overflows), but will make
+         the executable larger and slow down runtime a bit.
+
+         If you aren't developing/testing busybox, say N here.
+
+config UNIT_TEST
+       bool "Build unit tests"
+       default n
+       help
+         Say Y here if you want to build unit tests (both the framework and
+         test cases) as a Busybox applet. This results in bigger code, so you
+         probably don't want this option in production builds.
+
 config WERROR
        bool "Abort compilation on any warning"
        default n