bool "Support for shadow passwords"
default n
help
- Build support for shadow password in /etc/shadow. This file is only
+ 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.
default n
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
+ 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
+ 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
+ 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.
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
+ 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
+ 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
+ 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
+ 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 DES and MD5 crypt functions"
+ bool "Use internal crypt functions"
default y
help
Busybox has internal DES and MD5 crypt functions.
standard C library functions.
If you leave this disabled, busybox will use the system's
- crypt functions. Most C libraries use large (~70k)
+ 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 so on NOMMU machines. Busybox also doesn't
- need DES encryption/decryption and can do with smaller code.
+ 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.
+config USE_BB_CRYPT_SHA
+ bool "Enable SHA256/512 crypt functions"
+ default n
+ 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 ADDGROUP
bool "addgroup"
default n
help
Utility for creating a new group account.
+config FEATURE_ADDGROUP_LONG_OPTIONS
+ bool "Enable long options"
+ default n
+ 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 n
Utility for deleting a group account.
config FEATURE_DEL_USER_FROM_GROUP
- bool "Support for removing users from groups."
+ bool "Support for removing users from groups"
default n
depends on DELGROUP
help
config FEATURE_ADDUSER_LONG_OPTIONS
bool "Enable long options"
default n
- depends on ADDUSER && GETOPT_LONG
+ depends on ADDUSER && LONG_OPTS
help
Support long options for the adduser applet.
+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 DELUSER
bool "deluser"
default n
select FEATURE_SUID
select FEATURE_SYSLOG
help
- passwd changes passwords for user and group accounts. A normal user
+ 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 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
bool "cryptpw"
default n
help
- Applet for crypting a string.
+ 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 n
- help
- chpasswd reads a file of user name and password pairs from
- standard input and uses this information to update a group of
- existing users.
+ bool "chpasswd"
+ default n
+ 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"