| 1 | #
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| 2 | # For a description of the syntax of this configuration file,
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| 3 | # see scripts/kbuild/config-language.txt.
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| 4 | #
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| 5 |
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| 6 | menu "Login/Password Management Utilities"
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| 7 |
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| 8 | config FEATURE_SHADOWPASSWDS
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| 9 | bool "Support for shadow passwords"
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| 10 | default n
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| 11 | help
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| 12 | Build support for shadow password in /etc/shadow. This file is only
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| 13 | readable by root and thus the encrypted passwords are no longer
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| 14 | publicly readable.
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| 15 |
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| 16 | config USE_BB_SHADOW
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| 17 | bool " Use busybox shadow password functions"
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| 18 | default y
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| 19 | depends on USE_BB_PWD_GRP && FEATURE_SHADOWPASSWDS
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| 20 | help
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| 21 | If you leave this disabled, busybox will use the system's shadow
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| 22 | password handling functions. And if you are using the GNU C library
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| 23 | (glibc), you will then need to install the /etc/nsswitch.conf
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| 24 | configuration file and the required /lib/libnss_* libraries in
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| 25 | order for the shadow password functions to work. This generally
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| 26 | makes your embedded system quite a bit larger.
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| 27 |
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| 28 | Enabling this option will cause busybox to directly access the
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| 29 | system's /etc/shadow file when handling shadow passwords. This
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| 30 | makes your system smaller and I will get fewer emails asking about
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| 31 | how glibc NSS works). When this option is enabled, you will not be
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| 32 | able to use PAM to access shadow passwords from remote LDAP
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| 33 | password servers and whatnot.
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| 34 |
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| 35 | config USE_BB_PWD_GRP
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| 36 | bool "Use internal password and group functions rather than system functions"
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| 37 | default n
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| 38 | help
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| 39 | If you leave this disabled, busybox will use the system's password
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| 40 | and group functions. And if you are using the GNU C library
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| 41 | (glibc), you will then need to install the /etc/nsswitch.conf
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| 42 | configuration file and the required /lib/libnss_* libraries in
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| 43 | order for the password and group functions to work. This generally
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| 44 | makes your embedded system quite a bit larger.
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| 45 |
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| 46 | Enabling this option will cause busybox to directly access the
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| 47 | system's /etc/password, /etc/group files (and your system will be
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| 48 | smaller, and I will get fewer emails asking about how glibc NSS
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| 49 | works). When this option is enabled, you will not be able to use
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| 50 | PAM to access remote LDAP password servers and whatnot. And if you
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| 51 | want hostname resolution to work with glibc, you still need the
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| 52 | /lib/libnss_* libraries.
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| 53 |
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| 54 | If you enable this option, it will add about 1.5k to busybox.
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| 55 |
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| 56 | config ADDGROUP
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| 57 | bool "addgroup"
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| 58 | default n
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| 59 | help
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| 60 | Utility for creating a new group account.
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| 61 |
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| 62 | config FEATURE_ADDUSER_TO_GROUP
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| 63 | bool "Support for adding users to groups"
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| 64 | default n
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| 65 | depends on ADDGROUP
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| 66 | help
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| 67 | If called with two non-option arguments,
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| 68 | addgroup will add an existing user to an
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| 69 | existing group.
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| 70 |
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| 71 | config DELGROUP
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| 72 | bool "delgroup"
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| 73 | default n
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| 74 | help
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| 75 | Utility for deleting a group account.
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| 76 |
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| 77 | config FEATURE_DEL_USER_FROM_GROUP
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| 78 | bool "Support for removing users from groups."
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| 79 | default n
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| 80 | depends on DELGROUP
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| 81 | help
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| 82 | If called with two non-option arguments, deluser
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| 83 | or delgroup will remove an user from a specified group.
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| 84 |
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| 85 | config ADDUSER
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| 86 | bool "adduser"
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| 87 | default n
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| 88 | help
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| 89 | Utility for creating a new user account.
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| 90 |
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| 91 | config DELUSER
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| 92 | bool "deluser"
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| 93 | default n
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| 94 | help
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| 95 | Utility for deleting a user account.
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| 96 |
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| 97 | config GETTY
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| 98 | bool "getty"
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| 99 | default n
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| 100 | select FEATURE_SYSLOG
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| 101 | help
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| 102 | getty lets you log in on a tty, it is normally invoked by init.
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| 103 |
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| 104 | config FEATURE_UTMP
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| 105 | bool "Support utmp file"
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| 106 | depends on GETTY || LOGIN || SU || WHO
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| 107 | default n
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| 108 | help
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| 109 | The file /var/run/utmp is used to track who is currently logged in.
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| 110 |
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| 111 | config FEATURE_WTMP
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| 112 | bool "Support wtmp file"
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| 113 | depends on GETTY || LOGIN || SU || LAST
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| 114 | default n
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| 115 | select FEATURE_UTMP
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| 116 | help
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| 117 | The file /var/run/wtmp is used to track when user's have logged into
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| 118 | and logged out of the system.
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| 119 |
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| 120 | config LOGIN
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| 121 | bool "login"
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| 122 | default n
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| 123 | select FEATURE_SUID
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| 124 | select FEATURE_SYSLOG
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| 125 | help
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| 126 | login is used when signing onto a system.
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| 127 |
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| 128 | Note that Busybox binary must be setuid root for this applet to
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| 129 | work properly.
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| 130 |
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| 131 | config PAM
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| 132 | bool "Support for PAM (Pluggable Authentication Modules)"
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| 133 | default n
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| 134 | depends on LOGIN
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| 135 | help
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| 136 | Use PAM in login(1) instead of direct access to password database.
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| 137 |
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| 138 | config LOGIN_SCRIPTS
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| 139 | bool "Support for login scripts"
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| 140 | depends on LOGIN
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| 141 | default n
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| 142 | help
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| 143 | Enable this if you want login to execute $LOGIN_PRE_SUID_SCRIPT
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| 144 | just prior to switching from root to logged-in user.
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| 145 |
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| 146 | config FEATURE_NOLOGIN
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| 147 | bool "Support for /etc/nologin"
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| 148 | default y
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| 149 | depends on LOGIN
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| 150 | help
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| 151 | The file /etc/nologin is used by (some versions of) login(1).
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| 152 | If it exists, non-root logins are prohibited.
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| 153 |
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| 154 | config FEATURE_SECURETTY
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| 155 | bool "Support for /etc/securetty"
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| 156 | default y
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| 157 | depends on LOGIN
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| 158 | help
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| 159 | The file /etc/securetty is used by (some versions of) login(1).
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| 160 | The file contains the device names of tty lines (one per line,
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| 161 | without leading /dev/) on which root is allowed to login.
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| 162 |
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| 163 | config PASSWD
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| 164 | bool "passwd"
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| 165 | default n
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| 166 | select FEATURE_SUID
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| 167 | select FEATURE_SYSLOG
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| 168 | help
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| 169 | passwd changes passwords for user and group accounts. A normal user
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| 170 | may only change the password for his/her own account, the super user
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| 171 | may change the password for any account. The administrator of a group
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| 172 | may change the password for the group.
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| 173 |
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| 174 | Note that Busybox binary must be setuid root for this applet to
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| 175 | work properly.
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| 176 |
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| 177 | config FEATURE_PASSWD_WEAK_CHECK
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| 178 | bool "Check new passwords for weakness"
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| 179 | default y
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| 180 | depends on PASSWD
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| 181 | help
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| 182 | With this option passwd will refuse new passwords which are "weak".
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| 183 |
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| 184 | config CRYPTPW
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| 185 | bool "cryptpw"
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| 186 | default n
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| 187 | help
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| 188 | Applet for crypting a string.
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| 189 |
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| 190 | config CHPASSWD
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| 191 | bool "chpasswd"
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| 192 | default n
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| 193 | help
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| 194 | chpasswd reads a file of user name and password pairs from
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| 195 | standard input and uses this information to update a group of
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| 196 | existing users.
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| 197 |
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| 198 | config SU
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| 199 | bool "su"
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| 200 | default n
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| 201 | select FEATURE_SUID
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| 202 | select FEATURE_SYSLOG
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| 203 | help
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| 204 | su is used to become another user during a login session.
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| 205 | Invoked without a username, su defaults to becoming the super user.
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| 206 |
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| 207 | Note that Busybox binary must be setuid root for this applet to
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| 208 | work properly.
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| 209 |
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| 210 | config FEATURE_SU_SYSLOG
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| 211 | bool "Enable su to write to syslog"
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| 212 | default y
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| 213 | depends on SU
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| 214 |
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| 215 | config FEATURE_SU_CHECKS_SHELLS
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| 216 | bool "Enable su to check user's shell to be listed in /etc/shells"
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| 217 | depends on SU
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| 218 | default y
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| 219 |
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| 220 | config SULOGIN
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| 221 | bool "sulogin"
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| 222 | default n
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| 223 | select FEATURE_SYSLOG
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| 224 | help
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| 225 | sulogin is invoked when the system goes into single user
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| 226 | mode (this is done through an entry in inittab).
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| 227 |
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| 228 | config VLOCK
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| 229 | bool "vlock"
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| 230 | default n
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| 231 | select FEATURE_SUID
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| 232 | help
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| 233 | Build the "vlock" applet which allows you to lock (virtual) terminals.
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| 234 |
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| 235 | Note that Busybox binary must be setuid root for this applet to
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| 236 | work properly.
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| 237 |
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| 238 | endmenu
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| 239 |
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