md5/sha1sum: better fix for small resource leak

[oweals/busybox.git] / Config.in

diff --git a/Config.in b/Config.in
index 140572e2d9d7b35f1fe0b72098bb9dfa362c9098..d4e14a488345c1e393ad06f80ada00ef37fbbcb7 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -126,7 +126,6 @@ config FEATURE_INSTALLER
 config INSTALL_NO_USR
        bool "Don't use /usr"
        default n
-       depends on FEATURE_INSTALLER
        help
          Disable use of /usr. busybox --install and "make install"
          will install applets only to /bin and /sbin,
@@ -284,10 +283,19 @@ config FEATURE_CLEAN_UP
          Don't enable this unless you have a really good reason to clean
          things up manually.
 
+config FEATURE_UTMP
+       bool "Support utmp file"
+       default y
+       help
+         The file /var/run/utmp is used to track who is currently logged in.
+         With this option on, certain applets (getty, login, telnetd etc)
+         will create and delete entries there.
+         "who" applet requires this option.
+
 config FEATURE_WTMP
        bool "Support wtmp file"
        default y
-       select FEATURE_UTMP
+       depends on FEATURE_UTMP
        help
          The file /var/run/wtmp is used to track when users have logged into
          and logged out of the system.
@@ -295,15 +303,6 @@ config FEATURE_WTMP
          will append new entries there.
          "last" applet requires this option.
 
-config FEATURE_UTMP
-       bool "Support utmp file"
-       default y
-       help
-         The file /var/run/utmp is used to track who is currently logged in.
-         With this option on, certain applets (getty, login, telnetd etc)
-         will create and delete entries there.
-         "who" applet requires this option.
-
 config FEATURE_PIDFILE
        bool "Support writing pidfiles"
        default y
@@ -328,10 +327,18 @@ config FEATURE_SUID
          symlinks pointing to each binary), and only set the suid bit on the
          one that needs it.
 
-         The applets currently marked to need the suid bit are:
+         The applets which require root rights (need suid bit or
+         to be run by root) and will refuse to execute otherwise:
+         crontab, login, passwd, su, vlock, wall.
 
-         crontab, dnsd, findfs, ipcrm, ipcs, login, passwd, ping, su,
-         traceroute, vlock.
+         The applets which will use root rights if they have them
+         (via suid bit, or because run by root), but would try to work
+         without root right nevertheless:
+         findfs, ping[6], traceroute[6], mount.
+
+         Note that if you DONT select this option, but DO make busybox
+         suid root, ALL applets will run under root, which is a huge
+         security hole (think "cp /some/file /etc/passwd").
 
 config FEATURE_SUID_CONFIG
        bool "Runtime SUID/SGID configuration via /etc/busybox.conf"
@@ -378,7 +385,7 @@ config FEATURE_SUID_CONFIG_QUIET
 config SELINUX
        bool "Support NSA Security Enhanced Linux"
        default n
-       depends on PLATFORM_LINUX
+       select PLATFORM_LINUX
        help
          Enable support for SELinux in applets ls, ps, and id. Also provide
          the option of compiling in SELinux applets.
@@ -459,7 +466,10 @@ config PIE
        default n
        depends on !STATIC
        help
-         (TODO: what is it and why/when is it useful?)
+         Hardened code option. PIE binaries are loaded at a different
+         address at each invocation. This has some overhead,
+         particularly on x86-32 which is short on registers.
+
          Most people will leave this set to 'N'.
 
 config NOMMU
@@ -556,7 +566,6 @@ config FEATURE_SHARED_BUSYBOX
 config LFS
        bool "Build with Large File Support (for accessing files > 2 GB)"
        default y
-       select FDISK_SUPPORT_LARGE_DISKS
        help
          If you want to build BusyBox with large file support, then enable
          this option. This will have no effect if your kernel or your C
@@ -693,7 +702,6 @@ config INSTALL_APPLET_SCRIPT_WRAPPERS
 
 config INSTALL_APPLET_DONT
        bool "not installed"
-       depends on FEATURE_INSTALLER || FEATURE_SH_STANDALONE || FEATURE_PREFER_APPLETS
        help
          Do not install applet links. Useful when you plan to use
          busybox --install for installing links, or plan to use