#
# For a description of the syntax of this configuration file,
-# see scripts/kbuild/config-language.txt.
+# see docs/Kconfig-language.txt.
#
menu "Login/Password Management Utilities"
-INSERT
-
config FEATURE_SHADOWPASSWDS
- bool "Support for shadow passwords"
+ bool "Support shadow passwords"
default y
help
- Build support for shadow password in /etc/shadow. This file is only
- readable by root and thus the encrypted passwords are no longer
- publicly readable.
+ Build support for shadow password in /etc/shadow. This file is only
+ readable by root and thus the encrypted passwords are no longer
+ publicly readable.
config USE_BB_PWD_GRP
bool "Use internal password and group functions rather than system functions"
default y
help
- If you leave this disabled, busybox will use the system's password
- and group functions. And if you are using the GNU C library
- (glibc), you will then need to install the /etc/nsswitch.conf
- configuration file and the required /lib/libnss_* libraries in
- order for the password and group functions to work. This generally
- makes your embedded system quite a bit larger.
+ If you leave this disabled, busybox will use the system's password
+ and group functions. And if you are using the GNU C library
+ (glibc), you will then need to install the /etc/nsswitch.conf
+ configuration file and the required /lib/libnss_* libraries in
+ order for the password and group functions to work. This generally
+ makes your embedded system quite a bit larger.
- Enabling this option will cause busybox to directly access the
- system's /etc/password, /etc/group files (and your system will be
- smaller, and I will get fewer emails asking about how glibc NSS
- works). When this option is enabled, you will not be able to use
- PAM to access remote LDAP password servers and whatnot. And if you
- want hostname resolution to work with glibc, you still need the
- /lib/libnss_* libraries.
+ Enabling this option will cause busybox to directly access the
+ system's /etc/password, /etc/group files (and your system will be
+ smaller, and I will get fewer emails asking about how glibc NSS
+ works). When this option is enabled, you will not be able to use
+ PAM to access remote LDAP password servers and whatnot. And if you
+ want hostname resolution to work with glibc, you still need the
+ /lib/libnss_* libraries.
- If you need to use glibc's nsswitch.conf mechanism
- (e.g. if user/group database is NOT stored in /etc/passwd etc),
- you must NOT use this option.
+ If you need to use glibc's nsswitch.conf mechanism
+ (e.g. if user/group database is NOT stored in /etc/passwd etc),
+ you must NOT use this option.
- If you enable this option, it will add about 1.5k.
+ If you enable this option, it will add about 1.5k.
config USE_BB_SHADOW
bool "Use internal shadow password functions"
default y
depends on USE_BB_PWD_GRP && FEATURE_SHADOWPASSWDS
help
- If you leave this disabled, busybox will use the system's shadow
- password handling functions. And if you are using the GNU C library
- (glibc), you will then need to install the /etc/nsswitch.conf
- configuration file and the required /lib/libnss_* libraries in
- order for the shadow password functions to work. This generally
- makes your embedded system quite a bit larger.
+ If you leave this disabled, busybox will use the system's shadow
+ password handling functions. And if you are using the GNU C library
+ (glibc), you will then need to install the /etc/nsswitch.conf
+ configuration file and the required /lib/libnss_* libraries in
+ order for the shadow password functions to work. This generally
+ makes your embedded system quite a bit larger.
- Enabling this option will cause busybox to directly access the
- system's /etc/shadow file when handling shadow passwords. This
- makes your system smaller (and I will get fewer emails asking about
- how glibc NSS works). When this option is enabled, you will not be
- able to use PAM to access shadow passwords from remote LDAP
- password servers and whatnot.
+ Enabling this option will cause busybox to directly access the
+ system's /etc/shadow file when handling shadow passwords. This
+ makes your system smaller (and I will get fewer emails asking about
+ how glibc NSS works). When this option is enabled, you will not be
+ able to use PAM to access shadow passwords from remote LDAP
+ password servers and whatnot.
config USE_BB_CRYPT
bool "Use internal crypt functions"
default y
help
- Busybox has internal DES and MD5 crypt functions.
- They produce results which are identical to corresponding
- standard C library functions.
+ Busybox has internal DES and MD5 crypt functions.
+ They produce results which are identical to corresponding
+ standard C library functions.
- If you leave this disabled, busybox will use the system's
- crypt functions. Most C libraries use large (~70k)
- static buffers there, and also combine them with more general
- DES encryption/decryption.
+ If you leave this disabled, busybox will use the system's
+ crypt functions. Most C libraries use large (~70k)
+ static buffers there, and also combine them with more general
+ DES encryption/decryption.
- For busybox, having large static buffers is undesirable,
- especially on NOMMU machines. Busybox also doesn't need
- DES encryption/decryption and can do with smaller code.
+ For busybox, having large static buffers is undesirable,
+ especially on NOMMU machines. Busybox also doesn't need
+ DES encryption/decryption and can do with smaller code.
- If you enable this option, it will add about 4.8k of code
- if you are building dynamically linked executable.
- In static build, it makes code _smaller_ by about 1.2k,
- and likely many kilobytes less of bss.
+ If you enable this option, it will add about 4.8k of code
+ if you are building dynamically linked executable.
+ In static build, it makes code _smaller_ by about 1.2k,
+ and likely many kilobytes less of bss.
config USE_BB_CRYPT_SHA
bool "Enable SHA256/512 crypt functions"
default y
depends on USE_BB_CRYPT
help
- Enable this if you have passwords starting with "$5$" or "$6$"
- in your /etc/passwd or /etc/shadow files. These passwords
- are hashed using SHA256 and SHA512 algorithms. Support for them
- was added to glibc in 2008.
- With this option off, login will fail password check for any
- user which has password encrypted with these algorithms.
-
-config ADDUSER
- bool "adduser"
- default y
- help
- Utility for creating a new user account.
-
-config FEATURE_ADDUSER_LONG_OPTIONS
- bool "Enable long options"
- default y
- depends on ADDUSER && LONG_OPTS
- help
- Support long options for the adduser applet.
-
-config FEATURE_CHECK_NAMES
- bool "Enable sanity check on user/group names in adduser and addgroup"
- default n
- depends on ADDUSER || ADDGROUP
- help
- Enable sanity check on user and group names in adduser and addgroup.
- To avoid problems, the user or group name should consist only of
- letters, digits, underscores, periods, at signs and dashes,
- and not start with a dash (as defined by IEEE Std 1003.1-2001).
- For compatibility with Samba machine accounts "$" is also supported
- at the end of the user or group name.
-
-config FIRST_SYSTEM_ID
- int "First valid system uid or gid for adduser and addgroup"
- depends on ADDUSER || ADDGROUP
- range 0 64900
- default 100
- help
- First valid system uid or gid for adduser and addgroup
-
-config LAST_SYSTEM_ID
- int "Last valid system uid or gid for adduser and addgroup"
- depends on ADDUSER || ADDGROUP
- range 0 64900
- default 999
- help
- Last valid system uid or gid for adduser and addgroup
-
-config ADDGROUP
- bool "addgroup"
- default y
- help
- Utility for creating a new group account.
-
-config FEATURE_ADDGROUP_LONG_OPTIONS
- bool "Enable long options"
- default y
- depends on ADDGROUP && LONG_OPTS
- help
- Support long options for the addgroup applet.
-
-config FEATURE_ADDUSER_TO_GROUP
- bool "Support for adding users to groups"
- default y
- depends on ADDGROUP
- help
- If called with two non-option arguments,
- addgroup will add an existing user to an
- existing group.
-
-config DELUSER
- bool "deluser"
- default y
- help
- Utility for deleting a user account.
-
-config DELGROUP
- bool "delgroup"
- default y
- help
- Utility for deleting a group account.
-
-config FEATURE_DEL_USER_FROM_GROUP
- bool "Support for removing users from groups"
- default y
- depends on DELGROUP
- help
- If called with two non-option arguments, deluser
- or delgroup will remove an user from a specified group.
-
-config GETTY
- bool "getty"
- default y
- select FEATURE_SYSLOG
- help
- getty lets you log in on a tty, it is normally invoked by init.
-
-config LOGIN
- bool "login"
- default y
- select FEATURE_SYSLOG
- help
- login is used when signing onto a system.
-
- Note that Busybox binary must be setuid root for this applet to
- work properly.
-
-config PAM
- bool "Support for PAM (Pluggable Authentication Modules)"
- default n
- depends on LOGIN
- help
- Use PAM in login(1) instead of direct access to password database.
-
-config LOGIN_SCRIPTS
- bool "Support for login scripts"
- depends on LOGIN
- default y
- help
- Enable this if you want login to execute $LOGIN_PRE_SUID_SCRIPT
- just prior to switching from root to logged-in user.
-
-config FEATURE_NOLOGIN
- bool "Support for /etc/nologin"
- default y
- depends on LOGIN
- help
- The file /etc/nologin is used by (some versions of) login(1).
- If it exists, non-root logins are prohibited.
-
-config FEATURE_SECURETTY
- bool "Support for /etc/securetty"
- default y
- depends on LOGIN
- help
- The file /etc/securetty is used by (some versions of) login(1).
- The file contains the device names of tty lines (one per line,
- without leading /dev/) on which root is allowed to login.
-
-config PASSWD
- bool "passwd"
- default y
- select FEATURE_SYSLOG
- help
- passwd changes passwords for user and group accounts. A normal user
- may only change the password for his/her own account, the super user
- may change the password for any account. The administrator of a group
- may change the password for the group.
-
- Note that Busybox binary must be setuid root for this applet to
- work properly.
-
-config FEATURE_PASSWD_WEAK_CHECK
- bool "Check new passwords for weakness"
- default y
- depends on PASSWD
- help
- With this option passwd will refuse new passwords which are "weak".
+ Enable this if you have passwords starting with "$5$" or "$6$"
+ in your /etc/passwd or /etc/shadow files. These passwords
+ are hashed using SHA256 and SHA512 algorithms. Support for them
+ was added to glibc in 2008.
+ With this option off, login will fail password check for any
+ user which has password encrypted with these algorithms.
-config CRYPTPW
- bool "cryptpw"
- default y
- help
- Encrypts the given password with the crypt(3) libc function
- using the given salt. Debian has this utility under mkpasswd
- name. Busybox provides mkpasswd as an alias for cryptpw.
-
-config CHPASSWD
- bool "chpasswd"
- default y
- help
- Reads a file of user name and password pairs from standard input
- and uses this information to update a group of existing users.
-
-config SU
- bool "su"
- default y
- select FEATURE_SYSLOG
- help
- su is used to become another user during a login session.
- Invoked without a username, su defaults to becoming the super user.
-
- Note that Busybox binary must be setuid root for this applet to
- work properly.
-
-config FEATURE_SU_SYSLOG
- bool "Enable su to write to syslog"
- default y
- depends on SU
-
-config FEATURE_SU_CHECKS_SHELLS
- bool "Enable su to check user's shell to be listed in /etc/shells"
- depends on SU
- default y
-
-config SULOGIN
- bool "sulogin"
- default y
- select FEATURE_SYSLOG
- help
- sulogin is invoked when the system goes into single user
- mode (this is done through an entry in inittab).
-
-config VLOCK
- bool "vlock"
- default y
- help
- Build the "vlock" applet which allows you to lock (virtual) terminals.
-
- Note that Busybox binary must be setuid root for this applet to
- work properly.
+INSERT
endmenu
projects / oweals / busybox.git / blobdiff