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.
(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 to busybox.
+ If you enable this option, it will add about 1.5k.
config USE_BB_SHADOW
- bool "Use busybox shadow password functions"
+ 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
+ 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
- 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
+ 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 DES and MD5 crypt functions rather than system functions"
+ bool "Use internal crypt functions"
default y
help
- If you leave this disabled, busybox will use the system's password
- and group functions. Most C libraries use large (~70k)
- static buffers in these functions, and also combine them
- with more general DES encryption/decryption routines.
- For busybox, having large static buffers is undesirable,
- especially so on NOMMU machines.
+ Busybox has internal DES and MD5 crypt functions.
+ They produce results which are identical to corresponding
+ standard C library functions.
- These functions produce results which are identical
- to corresponding 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 enable this option, it will add about 4.8k to busybox
+ 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 executable _smaller_ by about 1.2k.
+ 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"
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"
projects / oweals / busybox.git / blobdiff