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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