| 1 | # DO NOT EDIT. This file is generated from Config.src
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| 2 | #
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| 3 | # For a description of the syntax of this configuration file,
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| 4 | # see scripts/kbuild/config-language.txt.
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| 5 | #
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| 6 |
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| 7 | menu "Login/Password Management Utilities"
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| 8 |
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| 9 | config ADD_SHELL
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| 10 | bool "add-shell"
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| 11 | default y if DESKTOP
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| 12 | help
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| 13 | Add shells to /etc/shells.
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| 14 |
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| 15 | config REMOVE_SHELL
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| 16 | bool "remove-shell"
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| 17 | default y if DESKTOP
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| 18 | help
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| 19 | Remove shells from /etc/shells.
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| 20 |
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| 21 | config FEATURE_SHADOWPASSWDS
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| 22 | bool "Support for shadow passwords"
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| 23 | default y
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| 24 | help
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| 25 | Build support for shadow password in /etc/shadow. This file is only
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| 26 | readable by root and thus the encrypted passwords are no longer
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| 27 | publicly readable.
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| 28 |
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| 29 | config USE_BB_PWD_GRP
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| 30 | bool "Use internal password and group functions rather than system functions"
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| 31 | default y
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| 32 | help
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| 33 | If you leave this disabled, busybox will use the system's password
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| 34 | and group functions. And if you are using the GNU C library
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| 35 | (glibc), you will then need to install the /etc/nsswitch.conf
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| 36 | configuration file and the required /lib/libnss_* libraries in
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| 37 | order for the password and group functions to work. This generally
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| 38 | makes your embedded system quite a bit larger.
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| 39 |
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| 40 | Enabling this option will cause busybox to directly access the
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| 41 | system's /etc/password, /etc/group files (and your system will be
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| 42 | smaller, and I will get fewer emails asking about how glibc NSS
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| 43 | works). When this option is enabled, you will not be able to use
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| 44 | PAM to access remote LDAP password servers and whatnot. And if you
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| 45 | want hostname resolution to work with glibc, you still need the
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| 46 | /lib/libnss_* libraries.
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| 47 |
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| 48 | If you need to use glibc's nsswitch.conf mechanism
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| 49 | (e.g. if user/group database is NOT stored in /etc/passwd etc),
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| 50 | you must NOT use this option.
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| 51 |
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| 52 | If you enable this option, it will add about 1.5k.
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| 53 |
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| 54 | config USE_BB_SHADOW
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| 55 | bool "Use internal shadow password functions"
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| 56 | default y
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| 57 | depends on USE_BB_PWD_GRP && FEATURE_SHADOWPASSWDS
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| 58 | help
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| 59 | If you leave this disabled, busybox will use the system's shadow
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| 60 | password handling functions. And if you are using the GNU C library
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| 61 | (glibc), you will then need to install the /etc/nsswitch.conf
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| 62 | configuration file and the required /lib/libnss_* libraries in
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| 63 | order for the shadow password functions to work. This generally
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| 64 | makes your embedded system quite a bit larger.
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| 65 |
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| 66 | Enabling this option will cause busybox to directly access the
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| 67 | system's /etc/shadow file when handling shadow passwords. This
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| 68 | makes your system smaller (and I will get fewer emails asking about
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| 69 | how glibc NSS works). When this option is enabled, you will not be
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| 70 | able to use PAM to access shadow passwords from remote LDAP
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| 71 | password servers and whatnot.
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| 72 |
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| 73 | config USE_BB_CRYPT
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| 74 | bool "Use internal crypt functions"
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| 75 | default y
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| 76 | help
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| 77 | Busybox has internal DES and MD5 crypt functions.
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| 78 | They produce results which are identical to corresponding
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| 79 | standard C library functions.
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| 80 |
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| 81 | If you leave this disabled, busybox will use the system's
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| 82 | crypt functions. Most C libraries use large (~70k)
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| 83 | static buffers there, and also combine them with more general
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| 84 | DES encryption/decryption.
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| 85 |
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| 86 | For busybox, having large static buffers is undesirable,
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| 87 | especially on NOMMU machines. Busybox also doesn't need
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| 88 | DES encryption/decryption and can do with smaller code.
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| 89 |
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| 90 | If you enable this option, it will add about 4.8k of code
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| 91 | if you are building dynamically linked executable.
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| 92 | In static build, it makes code _smaller_ by about 1.2k,
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| 93 | and likely many kilobytes less of bss.
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| 94 |
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| 95 | config USE_BB_CRYPT_SHA
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| 96 | bool "Enable SHA256/512 crypt functions"
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| 97 | default y
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| 98 | depends on USE_BB_CRYPT
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| 99 | help
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| 100 | Enable this if you have passwords starting with "$5$" or "$6$"
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| 101 | in your /etc/passwd or /etc/shadow files. These passwords
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| 102 | are hashed using SHA256 and SHA512 algorithms. Support for them
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| 103 | was added to glibc in 2008.
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| 104 | With this option off, login will fail password check for any
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| 105 | user which has password encrypted with these algorithms.
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| 106 |
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| 107 | config ADDUSER
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| 108 | bool "adduser"
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| 109 | default y
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| 110 | help
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| 111 | Utility for creating a new user account.
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| 112 |
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| 113 | config FEATURE_ADDUSER_LONG_OPTIONS
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| 114 | bool "Enable long options"
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| 115 | default y
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| 116 | depends on ADDUSER && LONG_OPTS
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| 117 | help
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| 118 | Support long options for the adduser applet.
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| 119 |
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| 120 | config FEATURE_CHECK_NAMES
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| 121 | bool "Enable sanity check on user/group names in adduser and addgroup"
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| 122 | default n
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| 123 | depends on ADDUSER || ADDGROUP
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| 124 | help
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| 125 | Enable sanity check on user and group names in adduser and addgroup.
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| 126 | To avoid problems, the user or group name should consist only of
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| 127 | letters, digits, underscores, periods, at signs and dashes,
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| 128 | and not start with a dash (as defined by IEEE Std 1003.1-2001).
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| 129 | For compatibility with Samba machine accounts "$" is also supported
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| 130 | at the end of the user or group name.
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| 131 |
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| 132 | config FIRST_SYSTEM_ID
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| 133 | int "First valid system uid or gid for adduser and addgroup"
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| 134 | depends on ADDUSER || ADDGROUP
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| 135 | range 0 64900
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| 136 | default 100
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| 137 | help
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| 138 | First valid system uid or gid for adduser and addgroup
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| 139 |
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| 140 | config LAST_SYSTEM_ID
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| 141 | int "Last valid system uid or gid for adduser and addgroup"
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| 142 | depends on ADDUSER || ADDGROUP
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| 143 | range 0 64900
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| 144 | default 999
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| 145 | help
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| 146 | Last valid system uid or gid for adduser and addgroup
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| 147 |
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| 148 | config ADDGROUP
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| 149 | bool "addgroup"
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| 150 | default y
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| 151 | help
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| 152 | Utility for creating a new group account.
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| 153 |
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| 154 | config FEATURE_ADDGROUP_LONG_OPTIONS
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| 155 | bool "Enable long options"
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| 156 | default y
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| 157 | depends on ADDGROUP && LONG_OPTS
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| 158 | help
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| 159 | Support long options for the addgroup applet.
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| 160 |
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| 161 | config FEATURE_ADDUSER_TO_GROUP
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| 162 | bool "Support for adding users to groups"
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| 163 | default y
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| 164 | depends on ADDGROUP
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| 165 | help
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| 166 | If called with two non-option arguments,
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| 167 | addgroup will add an existing user to an
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| 168 | existing group.
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| 169 |
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| 170 | config DELUSER
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| 171 | bool "deluser"
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| 172 | default y
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| 173 | help
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| 174 | Utility for deleting a user account.
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| 175 |
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| 176 | config DELGROUP
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| 177 | bool "delgroup"
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| 178 | default y
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| 179 | help
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| 180 | Utility for deleting a group account.
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| 181 |
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| 182 | config FEATURE_DEL_USER_FROM_GROUP
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| 183 | bool "Support for removing users from groups"
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| 184 | default y
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| 185 | depends on DELGROUP
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| 186 | help
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| 187 | If called with two non-option arguments, deluser
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| 188 | or delgroup will remove an user from a specified group.
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| 189 |
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| 190 | config GETTY
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| 191 | bool "getty"
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| 192 | default y
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| 193 | select FEATURE_SYSLOG
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| 194 | help
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| 195 | getty lets you log in on a tty, it is normally invoked by init.
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| 196 |
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| 197 | config LOGIN
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| 198 | bool "login"
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| 199 | default y
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| 200 | select FEATURE_SYSLOG
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| 201 | help
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| 202 | login is used when signing onto a system.
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| 203 |
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| 204 | Note that Busybox binary must be setuid root for this applet to
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| 205 | work properly.
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| 206 |
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| 207 | config PAM
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| 208 | bool "Support for PAM (Pluggable Authentication Modules)"
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| 209 | default n
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| 210 | depends on LOGIN
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| 211 | help
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| 212 | Use PAM in login(1) instead of direct access to password database.
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| 213 |
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| 214 | config LOGIN_SCRIPTS
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| 215 | bool "Support for login scripts"
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| 216 | depends on LOGIN
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| 217 | default y
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| 218 | help
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| 219 | Enable this if you want login to execute $LOGIN_PRE_SUID_SCRIPT
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| 220 | just prior to switching from root to logged-in user.
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| 221 |
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| 222 | config FEATURE_NOLOGIN
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| 223 | bool "Support for /etc/nologin"
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| 224 | default y
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| 225 | depends on LOGIN
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| 226 | help
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| 227 | The file /etc/nologin is used by (some versions of) login(1).
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| 228 | If it exists, non-root logins are prohibited.
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| 229 |
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| 230 | config FEATURE_SECURETTY
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| 231 | bool "Support for /etc/securetty"
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| 232 | default y
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| 233 | depends on LOGIN
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| 234 | help
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| 235 | The file /etc/securetty is used by (some versions of) login(1).
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| 236 | The file contains the device names of tty lines (one per line,
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| 237 | without leading /dev/) on which root is allowed to login.
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| 238 |
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| 239 | config PASSWD
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| 240 | bool "passwd"
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| 241 | default y
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| 242 | select FEATURE_SYSLOG
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| 243 | help
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| 244 | passwd changes passwords for user and group accounts. A normal user
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| 245 | may only change the password for his/her own account, the super user
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| 246 | may change the password for any account. The administrator of a group
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| 247 | may change the password for the group.
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| 248 |
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| 249 | Note that Busybox binary must be setuid root for this applet to
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| 250 | work properly.
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| 251 |
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| 252 | config FEATURE_PASSWD_WEAK_CHECK
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| 253 | bool "Check new passwords for weakness"
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| 254 | default y
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| 255 | depends on PASSWD
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| 256 | help
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| 257 | With this option passwd will refuse new passwords which are "weak".
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| 258 |
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| 259 | config CRYPTPW
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| 260 | bool "cryptpw"
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| 261 | default y
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| 262 | help
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| 263 | Encrypts the given password with the crypt(3) libc function
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| 264 | using the given salt. Debian has this utility under mkpasswd
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| 265 | name. Busybox provides mkpasswd as an alias for cryptpw.
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| 266 |
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| 267 | config CHPASSWD
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| 268 | bool "chpasswd"
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| 269 | default y
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| 270 | help
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| 271 | Reads a file of user name and password pairs from standard input
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| 272 | and uses this information to update a group of existing users.
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| 273 |
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| 274 | config SU
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| 275 | bool "su"
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| 276 | default y
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| 277 | select FEATURE_SYSLOG
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| 278 | help
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| 279 | su is used to become another user during a login session.
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| 280 | Invoked without a username, su defaults to becoming the super user.
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| 281 |
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| 282 | Note that Busybox binary must be setuid root for this applet to
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| 283 | work properly.
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| 284 |
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| 285 | config FEATURE_SU_SYSLOG
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| 286 | bool "Enable su to write to syslog"
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| 287 | default y
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| 288 | depends on SU
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| 289 |
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| 290 | config FEATURE_SU_CHECKS_SHELLS
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| 291 | bool "Enable su to check user's shell to be listed in /etc/shells"
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| 292 | depends on SU
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| 293 | default y
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| 294 |
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| 295 | config SULOGIN
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| 296 | bool "sulogin"
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| 297 | default y
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| 298 | select FEATURE_SYSLOG
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| 299 | help
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| 300 | sulogin is invoked when the system goes into single user
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| 301 | mode (this is done through an entry in inittab).
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| 302 |
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| 303 | config VLOCK
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| 304 | bool "vlock"
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| 305 | default y
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| 306 | help
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| 307 | Build the "vlock" applet which allows you to lock (virtual) terminals.
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| 308 |
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| 309 | Note that Busybox binary must be setuid root for this applet to
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| 310 | work properly.
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| 311 |
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| 312 | endmenu
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