adduser.sh revision 168656
1107543Sscottl#!/bin/sh 2107543Sscottl# 3127076Smtm# Copyright (c) 2002-2004 Michael Telahun Makonnen. All rights reserved. 4107543Sscottl# 5107543Sscottl# Redistribution and use in source and binary forms, with or without 6107543Sscottl# modification, are permitted provided that the following conditions 7107543Sscottl# are met: 8107543Sscottl# 1. Redistributions of source code must retain the above copyright 9107543Sscottl# notice, this list of conditions and the following disclaimer. 10107543Sscottl# 2. Redistributions in binary form must reproduce the above copyright 11107543Sscottl# notice, this list of conditions and the following disclaimer in the 12107543Sscottl# documentation and/or other materials provided with the distribution. 13107543Sscottl# 14107543Sscottl# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15107543Sscottl# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16107543Sscottl# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17107543Sscottl# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18107543Sscottl# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19107543Sscottl# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20107543Sscottl# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21107543Sscottl# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22107543Sscottl# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23107543Sscottl# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24107543Sscottl# 25116624Smtm# Email: Mike Makonnen <mtm@FreeBSD.Org> 26107543Sscottl# 27107543Sscottl# $FreeBSD: head/usr.sbin/adduser/adduser.sh 168656 2007-04-12 08:17:56Z mtm $ 28107543Sscottl# 29107543Sscottl 30107543Sscottl# err msg 31107543Sscottl# Display $msg on stderr, unless we're being quiet. 32107543Sscottl# 33107543Sscottlerr() { 34107543Sscottl if [ -z "$quietflag" ]; then 35107543Sscottl echo 1>&2 ${THISCMD}: ERROR: $* 36107543Sscottl fi 37107543Sscottl} 38107543Sscottl 39107543Sscottl# info msg 40107543Sscottl# Display $msg on stdout, unless we're being quiet. 41107543Sscottl# 42107543Sscottlinfo() { 43107543Sscottl if [ -z "$quietflag" ]; then 44107543Sscottl echo ${THISCMD}: INFO: $* 45107543Sscottl fi 46107543Sscottl} 47107543Sscottl 48107543Sscottl# get_nextuid 49107543Sscottl# Output the value of $_uid if it is available for use. If it 50107543Sscottl# is not, output the value of the next higher uid that is available. 51107543Sscottl# If a uid is not specified, output the first available uid, as indicated 52107543Sscottl# by pw(8). 53107543Sscottl# 54107543Sscottlget_nextuid () { 55107543Sscottl _uid=$1 56107543Sscottl _nextuid= 57107543Sscottl 58107543Sscottl if [ -z "$_uid" ]; then 59107543Sscottl _nextuid="`${PWCMD} usernext | cut -f1 -d:`" 60107543Sscottl else 61107543Sscottl while : ; do 62107543Sscottl ${PWCMD} usershow $_uid > /dev/null 2>&1 63107543Sscottl if [ ! "$?" -eq 0 ]; then 64107543Sscottl _nextuid=$_uid 65107543Sscottl break 66107543Sscottl fi 67107543Sscottl _uid=$(($_uid + 1)) 68107543Sscottl done 69107543Sscottl fi 70107543Sscottl echo $_nextuid 71107543Sscottl} 72107543Sscottl 73107543Sscottl# show_usage 74107543Sscottl# Display usage information for this utility. 75107543Sscottl# 76107543Sscottlshow_usage() { 77107543Sscottl echo "usage: ${THISCMD} [options]" 78107543Sscottl echo " options may include:" 79107543Sscottl echo " -C save to the configuration file only" 80127076Smtm echo " -D do not attempt to create the home directory" 81107543Sscottl echo " -E disable this account after creation" 82107543Sscottl echo " -G additional groups to add accounts to" 83107543Sscottl echo " -L login class of the user" 84107543Sscottl echo " -N do not read configuration file" 85127076Smtm echo " -S a nonexistent shell is not an error" 86107543Sscottl echo " -d home directory" 87107543Sscottl echo " -f file from which input will be received" 88112519Smtm echo " -g default login group" 89107543Sscottl echo " -h display this usage message" 90107543Sscottl echo " -k path to skeleton home directory" 91107543Sscottl echo " -m user welcome message file" 92107543Sscottl echo " -q absolute minimal user feedback" 93107543Sscottl echo " -s shell" 94107543Sscottl echo " -u uid to start at" 95107543Sscottl echo " -w password type: no, none, yes or random" 96107543Sscottl} 97107543Sscottl 98107543Sscottl# valid_shells 99107543Sscottl# Outputs a list of valid shells from /etc/shells. Only the 100107543Sscottl# basename of the shell is output. 101107543Sscottl# 102107543Sscottlvalid_shells() { 103107543Sscottl _prefix= 104107543Sscottl cat ${ETCSHELLS} | 105107543Sscottl while read _path _junk ; do 106107543Sscottl case $_path in 107107543Sscottl \#*|'') 108107543Sscottl ;; 109107543Sscottl *) 110107543Sscottl echo -n "${_prefix}`basename $_path`" 111107543Sscottl _prefix=' ' 112107543Sscottl ;; 113107543Sscottl esac 114107543Sscottl done 115116627Smtm 116127635Scperciva # /usr/sbin/nologin is a special case 117116627Smtm [ -x "${NOLOGIN_PATH}" ] && echo -n " ${NOLOGIN}" 118107543Sscottl} 119107543Sscottl 120107543Sscottl# fullpath_from_shell shell 121130160Smtm# Given $shell, which is either the full path to a shell or 122130160Smtm# the basename component of a valid shell, get the 123107543Sscottl# full path to the shell from the /etc/shells file. 124107543Sscottl# 125107543Sscottlfullpath_from_shell() { 126107543Sscottl _shell=$1 127107543Sscottl [ -z "$_shell" ] && return 1 128107543Sscottl 129135616Sroam # /usr/sbin/nologin is a special case; it needs to be handled 130135616Sroam # before the cat | while loop, since a 'return' from within 131135616Sroam # a subshell will not terminate the function's execution, and 132135616Sroam # the path to the nologin shell might be printed out twice. 133135616Sroam # 134135616Sroam if [ "$_shell" = "${NOLOGIN}" -o \ 135135616Sroam "$_shell" = "${NOLOGIN_PATH}" ]; then 136135616Sroam echo ${NOLOGIN_PATH} 137135616Sroam return 0; 138135616Sroam fi 139135616Sroam 140107543Sscottl cat ${ETCSHELLS} | 141107543Sscottl while read _path _junk ; do 142107543Sscottl case "$_path" in 143107543Sscottl \#*|'') 144107543Sscottl ;; 145107543Sscottl *) 146130160Smtm if [ "$_path" = "$_shell" -o \ 147130160Smtm "`basename $_path`" = "$_shell" ]; then 148107543Sscottl echo $_path 149107543Sscottl return 0 150107543Sscottl fi 151107543Sscottl ;; 152107543Sscottl esac 153107543Sscottl done 154116627Smtm 155107543Sscottl return 1 156107543Sscottl} 157107543Sscottl 158116627Smtm# shell_exists shell 159116627Smtm# If the given shell is listed in ${ETCSHELLS} or it is 160116627Smtm# the nologin shell this function will return 0. 161116627Smtm# Otherwise, it will return 1. If shell is valid but 162116627Smtm# the path is invalid or it is not executable it 163116627Smtm# will emit an informational message saying so. 164116627Smtm# 165116627Smtmshell_exists() 166116627Smtm{ 167116627Smtm _sh="$1" 168116627Smtm _shellchk="${GREPCMD} '^$_sh$' ${ETCSHELLS} > /dev/null 2>&1" 169116627Smtm 170116627Smtm if ! eval $_shellchk; then 171116627Smtm # The nologin shell is not listed in /etc/shells. 172116627Smtm if [ "$_sh" != "${NOLOGIN_PATH}" ]; then 173116627Smtm err "Invalid shell ($_sh) for user $username." 174116627Smtm return 1 175116627Smtm fi 176116627Smtm fi 177116627Smtm ! [ -x "$_sh" ] && 178116628Smtm info "The shell ($_sh) does not exist or is not executable." 179116627Smtm 180116627Smtm return 0 181116627Smtm} 182116627Smtm 183107543Sscottl# save_config 184107543Sscottl# Save some variables to a configuration file. 185107543Sscottl# Note: not all script variables are saved, only those that 186107543Sscottl# it makes sense to save. 187107543Sscottl# 188107543Sscottlsave_config() { 189107543Sscottl echo "# Configuration file for adduser(8)." > ${ADDUSERCONF} 190107543Sscottl echo "# NOTE: only *some* variables are saved." >> ${ADDUSERCONF} 191109751Sfjoe echo "# Last Modified on `${DATECMD}`." >> ${ADDUSERCONF} 192107543Sscottl echo '' >> ${ADDUSERCONF} 193112433Smtm echo "defaultLgroup=$ulogingroup" >> ${ADDUSERCONF} 194107543Sscottl echo "defaultclass=$uclass" >> ${ADDUSERCONF} 195107543Sscottl echo "defaultgroups=$ugroups" >> ${ADDUSERCONF} 196107543Sscottl echo "passwdtype=$passwdtype" >> ${ADDUSERCONF} 197107543Sscottl echo "homeprefix=$homeprefix" >> ${ADDUSERCONF} 198107543Sscottl echo "defaultshell=$ushell" >> ${ADDUSERCONF} 199107543Sscottl echo "udotdir=$udotdir" >> ${ADDUSERCONF} 200107543Sscottl echo "msgfile=$msgfile" >> ${ADDUSERCONF} 201107543Sscottl echo "disableflag=$disableflag" >> ${ADDUSERCONF} 202168656Smtm echo "uidstart=$uidstart" >> ${ADDUSERCONF} 203107543Sscottl} 204107543Sscottl 205107543Sscottl# add_user 206107543Sscottl# Add a user to the user database. If the user chose to send a welcome 207107543Sscottl# message or lock the account, do so. 208107543Sscottl# 209107543Sscottladd_user() { 210107543Sscottl 211107543Sscottl # Is this a configuration run? If so, don't modify user database. 212107543Sscottl # 213107543Sscottl if [ -n "$configflag" ]; then 214107543Sscottl save_config 215107543Sscottl return 216107543Sscottl fi 217107543Sscottl 218107543Sscottl _uid= 219107543Sscottl _name= 220107543Sscottl _comment= 221107543Sscottl _gecos= 222107543Sscottl _home= 223107543Sscottl _group= 224107543Sscottl _grouplist= 225107543Sscottl _shell= 226107543Sscottl _class= 227107543Sscottl _dotdir= 228107543Sscottl _expire= 229107543Sscottl _pwexpire= 230107543Sscottl _passwd= 231107543Sscottl _upasswd= 232107543Sscottl _passwdmethod= 233107543Sscottl 234109720Smtm _name="-n '$username'" 235110595Smtm [ -n "$uuid" ] && _uid='-u "$uuid"' 236110595Smtm [ -n "$ulogingroup" ] && _group='-g "$ulogingroup"' 237110595Smtm [ -n "$ugroups" ] && _grouplist='-G "$ugroups"' 238110595Smtm [ -n "$ushell" ] && _shell='-s "$ushell"' 239110595Smtm [ -n "$uclass" ] && _class='-L "$uclass"' 240110595Smtm [ -n "$ugecos" ] && _comment='-c "$ugecos"' 241110595Smtm [ -n "$udotdir" ] && _dotdir='-k "$udotdir"' 242110595Smtm [ -n "$uexpire" ] && _expire='-e "$uexpire"' 243110595Smtm [ -n "$upwexpire" ] && _pwexpire='-p "$upwexpire"' 244127076Smtm if [ -z "$Dflag" -a -n "$uhome" ]; then 245127076Smtm # The /nonexistent home directory is special. It 246127076Smtm # means the user has no home directory. 247127076Smtm if [ "$uhome" = "$NOHOME" ]; then 248127076Smtm _home='-d "$uhome"' 249127076Smtm else 250127076Smtm _home='-m -d "$uhome"' 251127076Smtm fi 252127076Smtm elif [ -n "$Dflag" -a -n "$uhome" ]; then 253127076Smtm _home='-d "$uhome"' 254127076Smtm fi 255107543Sscottl case $passwdtype in 256107543Sscottl no) 257107543Sscottl _passwdmethod="-w no" 258107543Sscottl _passwd="-h -" 259107543Sscottl ;; 260107543Sscottl yes) 261110595Smtm # Note on processing the password: The outer double quotes 262110595Smtm # make literal everything except ` and \ and $. 263110595Smtm # The outer single quotes make literal ` and $. 264110595Smtm # We can ensure the \ isn't treated specially by specifying 265110595Smtm # the -r switch to the read command used to obtain the input. 266110595Smtm # 267107543Sscottl _passwdmethod="-w yes" 268107543Sscottl _passwd="-h 0" 269110595Smtm _upasswd='echo "$upass" |' 270107543Sscottl ;; 271107543Sscottl none) 272107543Sscottl _passwdmethod="-w none" 273107543Sscottl ;; 274107543Sscottl random) 275107543Sscottl _passwdmethod="-w random" 276107543Sscottl ;; 277107543Sscottl esac 278107543Sscottl 279107543Sscottl _pwcmd="$_upasswd ${PWCMD} useradd $_uid $_name $_group $_grouplist $_comment" 280107543Sscottl _pwcmd="$_pwcmd $_shell $_class $_home $_dotdir $_passwdmethod $_passwd" 281107543Sscottl _pwcmd="$_pwcmd $_expire $_pwexpire" 282107543Sscottl 283107543Sscottl if ! _output=`eval $_pwcmd` ; then 284107543Sscottl err "There was an error adding user ($username)." 285107543Sscottl return 1 286107543Sscottl else 287107543Sscottl info "Successfully added ($username) to the user database." 288107543Sscottl if [ "random" = "$passwdtype" ]; then 289107543Sscottl randompass="$_output" 290107543Sscottl info "Password for ($username) is: $randompass" 291107543Sscottl fi 292107543Sscottl fi 293107543Sscottl 294107543Sscottl if [ -n "$disableflag" ]; then 295107543Sscottl if ${PWCMD} lock $username ; then 296107543Sscottl info "Account ($username) is locked." 297107543Sscottl else 298107543Sscottl info "Account ($username) could NOT be locked." 299107543Sscottl fi 300107543Sscottl fi 301107543Sscottl 302107543Sscottl _line= 303107543Sscottl _owner= 304107543Sscottl _perms= 305107543Sscottl if [ -n "$msgflag" ]; then 306107543Sscottl [ -r "$msgfile" ] && { 307107543Sscottl # We're evaluating the contents of an external file. 308107543Sscottl # Let's not open ourselves up for attack. _perms will 309107543Sscottl # be empty if it's writeable only by the owner. _owner 310107543Sscottl # will *NOT* be empty if the file is owned by root. 311107543Sscottl # 312107543Sscottl _dir="`dirname $msgfile`" 313107543Sscottl _file="`basename $msgfile`" 314107543Sscottl _perms=`/usr/bin/find $_dir -name $_file -perm +07022 -prune` 315107543Sscottl _owner=`/usr/bin/find $_dir -name $_file -user 0 -prune` 316107543Sscottl if [ -z "$_owner" -o -n "$_perms" ]; then 317107543Sscottl err "The message file ($msgfile) may be writeable only by root." 318107543Sscottl return 1 319107543Sscottl fi 320107543Sscottl cat "$msgfile" | 321107543Sscottl while read _line ; do 322107543Sscottl eval echo "$_line" 323107543Sscottl done | ${MAILCMD} -s"Welcome" ${username} 324107543Sscottl info "Sent welcome message to ($username)." 325107543Sscottl } 326107543Sscottl fi 327107543Sscottl} 328107543Sscottl 329107543Sscottl# get_user 330107543Sscottl# Reads username of the account from standard input or from a global 331107543Sscottl# variable containing an account line from a file. The username is 332107543Sscottl# required. If this is an interactive session it will prompt in 333107543Sscottl# a loop until a username is entered. If it is batch processing from 334107543Sscottl# a file it will output an error message and return to the caller. 335107543Sscottl# 336107543Sscottlget_user() { 337107543Sscottl _input= 338107543Sscottl 339107543Sscottl # No need to take down user names if this is a configuration saving run. 340107543Sscottl [ -n "$configflag" ] && return 341107543Sscottl 342107543Sscottl while : ; do 343107543Sscottl if [ -z "$fflag" ]; then 344107543Sscottl echo -n "Username: " 345107543Sscottl read _input 346107543Sscottl else 347107543Sscottl _input="`echo "$fileline" | cut -f1 -d:`" 348107543Sscottl fi 349107543Sscottl 350167917Sle # There *must* be a username, and it must not exist. If 351167917Sle # this is an interactive session give the user an 352167917Sle # opportunity to retry. 353107543Sscottl # 354107543Sscottl if [ -z "$_input" ]; then 355107543Sscottl err "You must enter a username!" 356107543Sscottl [ -z "$fflag" ] && continue 357107543Sscottl fi 358167917Sle ${PWCMD} usershow $_input > /dev/null 2>&1 359167917Sle if [ "$?" -eq 0 ]; then 360167917Sle err "User exists!" 361167917Sle [ -z "$fflag" ] && continue 362167917Sle fi 363107543Sscottl break 364107543Sscottl done 365107543Sscottl username="$_input" 366107543Sscottl} 367107543Sscottl 368107543Sscottl# get_gecos 369107543Sscottl# Reads extra information about the user. Can be used both in interactive 370107543Sscottl# and batch (from file) mode. 371107543Sscottl# 372107543Sscottlget_gecos() { 373107543Sscottl _input= 374107543Sscottl 375107543Sscottl # No need to take down additional user information for a configuration run. 376107543Sscottl [ -n "$configflag" ] && return 377107543Sscottl 378107543Sscottl if [ -z "$fflag" ]; then 379107543Sscottl echo -n "Full name: " 380107543Sscottl read _input 381107543Sscottl else 382107543Sscottl _input="`echo "$fileline" | cut -f7 -d:`" 383107543Sscottl fi 384107543Sscottl ugecos="$_input" 385107543Sscottl} 386107543Sscottl 387107543Sscottl# get_shell 388107543Sscottl# Get the account's shell. Works in interactive and batch mode. It 389130160Smtm# accepts either the base name of the shell or the full path. 390107543Sscottl# If an invalid shell is entered it will simply use the default shell. 391107543Sscottl# 392107543Sscottlget_shell() { 393107543Sscottl _input= 394107543Sscottl _fullpath= 395107543Sscottl ushell="$defaultshell" 396107543Sscottl 397107543Sscottl # Make sure the current value of the shell is a valid one 398127076Smtm if [ -z "$Sflag" ]; then 399127076Smtm if ! shell_exists $ushell ; then 400127076Smtm info "Using default shell ${defaultshell}." 401127076Smtm ushell="$defaultshell" 402127076Smtm fi 403116627Smtm fi 404107543Sscottl 405107543Sscottl if [ -z "$fflag" ]; then 406107543Sscottl echo -n "Shell ($shells) [`basename $ushell`]: " 407107543Sscottl read _input 408107543Sscottl else 409107543Sscottl _input="`echo "$fileline" | cut -f9 -d:`" 410107543Sscottl fi 411107543Sscottl if [ -n "$_input" ]; then 412127076Smtm if [ -n "$Sflag" ]; then 413127076Smtm ushell="$_input" 414107543Sscottl else 415127076Smtm _fullpath=`fullpath_from_shell $_input` 416127076Smtm if [ -n "$_fullpath" ]; then 417127076Smtm ushell="$_fullpath" 418127076Smtm else 419127076Smtm err "Invalid shell ($_input) for user $username." 420127076Smtm info "Using default shell ${defaultshell}." 421127076Smtm ushell="$defaultshell" 422127076Smtm fi 423107543Sscottl fi 424107543Sscottl fi 425107543Sscottl} 426107543Sscottl 427107543Sscottl# get_homedir 428107543Sscottl# Reads the account's home directory. Used both with interactive input 429107543Sscottl# and batch input. 430107543Sscottl# 431107543Sscottlget_homedir() { 432107543Sscottl _input= 433107543Sscottl if [ -z "$fflag" ]; then 434107543Sscottl echo -n "Home directory [${homeprefix}/${username}]: " 435107543Sscottl read _input 436107543Sscottl else 437107543Sscottl _input="`echo "$fileline" | cut -f8 -d:`" 438107543Sscottl fi 439107543Sscottl 440107543Sscottl if [ -n "$_input" ]; then 441107543Sscottl uhome="$_input" 442107543Sscottl # if this is a configuration run, then user input is the home 443107543Sscottl # directory prefix. Otherwise it is understood to 444107543Sscottl # be $prefix/$user 445107543Sscottl # 446107543Sscottl [ -z "$configflag" ] && homeprefix="`dirname $uhome`" || homeprefix="$uhome" 447107543Sscottl else 448107543Sscottl uhome="${homeprefix}/${username}" 449107543Sscottl fi 450107543Sscottl} 451107543Sscottl 452107543Sscottl# get_uid 453107543Sscottl# Reads a numeric userid in an interactive or batch session. Automatically 454107543Sscottl# allocates one if it is not specified. 455107543Sscottl# 456107543Sscottlget_uid() { 457168656Smtm uuid=${uidstart} 458107543Sscottl _input= 459107543Sscottl _prompt= 460107543Sscottl 461107543Sscottl if [ -n "$uuid" ]; then 462107543Sscottl _prompt="Uid [$uuid]: " 463107543Sscottl else 464107543Sscottl _prompt="Uid (Leave empty for default): " 465107543Sscottl fi 466107543Sscottl if [ -z "$fflag" ]; then 467109573Sfjoe echo -n "$_prompt" 468107543Sscottl read _input 469107543Sscottl else 470107543Sscottl _input="`echo "$fileline" | cut -f2 -d:`" 471107543Sscottl fi 472107543Sscottl 473107543Sscottl [ -n "$_input" ] && uuid=$_input 474107543Sscottl uuid=`get_nextuid $uuid` 475107543Sscottl uidstart=$uuid 476107543Sscottl} 477107543Sscottl 478107543Sscottl# get_class 479107543Sscottl# Reads login class of account. Can be used in interactive or batch mode. 480107543Sscottl# 481107543Sscottlget_class() { 482107543Sscottl uclass="$defaultclass" 483107543Sscottl _input= 484107543Sscottl _class=${uclass:-"default"} 485107543Sscottl 486107543Sscottl if [ -z "$fflag" ]; then 487107543Sscottl echo -n "Login class [$_class]: " 488107543Sscottl read _input 489107543Sscottl else 490107543Sscottl _input="`echo "$fileline" | cut -f4 -d:`" 491107543Sscottl fi 492107543Sscottl 493107543Sscottl [ -n "$_input" ] && uclass="$_input" 494107543Sscottl} 495107543Sscottl 496107543Sscottl# get_logingroup 497107543Sscottl# Reads user's login group. Can be used in both interactive and batch 498107543Sscottl# modes. The specified value can be a group name or its numeric id. 499112433Smtm# This routine leaves the field blank if nothing is provided and 500112433Smtm# a default login group has not been set. The pw(8) command 501112433Smtm# will then provide a login group with the same name as the username. 502107543Sscottl# 503107543Sscottlget_logingroup() { 504112433Smtm ulogingroup="$defaultLgroup" 505107543Sscottl _input= 506107543Sscottl 507107543Sscottl if [ -z "$fflag" ]; then 508112433Smtm echo -n "Login group [${ulogingroup:-$username}]: " 509107543Sscottl read _input 510107543Sscottl else 511107543Sscottl _input="`echo "$fileline" | cut -f3 -d:`" 512107543Sscottl fi 513107543Sscottl 514107543Sscottl # Pw(8) will use the username as login group if it's left empty 515112433Smtm [ -n "$_input" ] && ulogingroup="$_input" 516107543Sscottl} 517107543Sscottl 518107543Sscottl# get_groups 519107543Sscottl# Read additional groups for the user. It can be used in both interactive 520107543Sscottl# and batch modes. 521107543Sscottl# 522107543Sscottlget_groups() { 523107543Sscottl ugroups="$defaultgroups" 524107543Sscottl _input= 525107543Sscottl _group=${ulogingroup:-"${username}"} 526107543Sscottl 527107543Sscottl if [ -z "$configflag" ]; then 528107543Sscottl [ -z "$fflag" ] && echo -n "Login group is $_group. Invite $username" 529107543Sscottl [ -z "$fflag" ] && echo -n " into other groups? [$ugroups]: " 530107543Sscottl else 531107543Sscottl [ -z "$fflag" ] && echo -n "Enter additional groups [$ugroups]: " 532107543Sscottl fi 533107543Sscottl read _input 534107543Sscottl 535107543Sscottl [ -n "$_input" ] && ugroups="$_input" 536107543Sscottl} 537107543Sscottl 538107543Sscottl# get_expire_dates 539107543Sscottl# Read expiry information for the account and also for the password. This 540107543Sscottl# routine is used only from batch processing mode. 541107543Sscottl# 542107543Sscottlget_expire_dates() { 543107543Sscottl upwexpire="`echo "$fileline" | cut -f5 -d:`" 544107543Sscottl uexpire="`echo "$fileline" | cut -f6 -d:`" 545107543Sscottl} 546107543Sscottl 547107543Sscottl# get_password 548107543Sscottl# Read the password in batch processing mode. The password field matters 549107543Sscottl# only when the password type is "yes" or "random". If the field is empty and the 550107543Sscottl# password type is "yes", then it assumes the account has an empty passsword 551107543Sscottl# and changes the password type accordingly. If the password type is "random" 552107543Sscottl# and the password field is NOT empty, then it assumes the account will NOT 553107543Sscottl# have a random password and set passwdtype to "yes." 554107543Sscottl# 555107543Sscottlget_password() { 556107543Sscottl # We may temporarily change a password type. Make sure it's changed 557107543Sscottl # back to whatever it was before we process the next account. 558107543Sscottl # 559107543Sscottl [ -n "$savedpwtype" ] && { 560107543Sscottl passwdtype=$savedpwtype 561107543Sscottl savedpwtype= 562107543Sscottl } 563107543Sscottl 564107543Sscottl # There may be a ':' in the password 565107543Sscottl upass=${fileline#*:*:*:*:*:*:*:*:*:} 566107543Sscottl 567107543Sscottl if [ -z "$upass" ]; then 568107543Sscottl case $passwdtype in 569107543Sscottl yes) 570107543Sscottl # if it's empty, assume an empty password 571107543Sscottl passwdtype=none 572107543Sscottl savedpwtype=yes 573107543Sscottl ;; 574107543Sscottl esac 575107543Sscottl else 576107543Sscottl case $passwdtype in 577107543Sscottl random) 578107543Sscottl passwdtype=yes 579107543Sscottl savedpwtype=random 580107543Sscottl ;; 581107543Sscottl esac 582107543Sscottl fi 583107543Sscottl} 584107543Sscottl 585107543Sscottl# input_from_file 586107543Sscottl# Reads a line of account information from standard input and 587107543Sscottl# adds it to the user database. 588107543Sscottl# 589107543Sscottlinput_from_file() { 590107543Sscottl _field= 591107543Sscottl 592110595Smtm while read -r fileline ; do 593107543Sscottl case "$fileline" in 594107543Sscottl \#*|'') 595107543Sscottl ;; 596168651Smtm *) 597168651Smtm get_user || continue 598168651Smtm get_gecos 599168651Smtm get_uid 600168651Smtm get_logingroup 601168651Smtm get_class 602168651Smtm get_shell 603168651Smtm get_homedir 604168651Smtm get_password 605168651Smtm get_expire_dates 606168651Smtm 607168651Smtm add_user 608168651Smtm ;; 609107543Sscottl esac 610107543Sscottl done 611107543Sscottl} 612107543Sscottl 613107543Sscottl# input_interactive 614107543Sscottl# Prompts for user information interactively, and commits to 615107543Sscottl# the user database. 616107543Sscottl# 617107543Sscottlinput_interactive() { 618107543Sscottl 619107543Sscottl _disable= 620107543Sscottl _pass= 621107543Sscottl _passconfirm= 622107543Sscottl _random="no" 623107543Sscottl _emptypass="no" 624107543Sscottl _usepass="yes" 625112401Smtm _logingroup_ok="no" 626112401Smtm _groups_ok="no" 627107543Sscottl case $passwdtype in 628107543Sscottl none) 629107543Sscottl _emptypass="yes" 630107543Sscottl _usepass="yes" 631107543Sscottl ;; 632107543Sscottl no) 633107543Sscottl _usepass="no" 634107543Sscottl ;; 635107543Sscottl random) 636107543Sscottl _random="yes" 637107543Sscottl ;; 638107543Sscottl esac 639107543Sscottl 640107543Sscottl get_user 641107543Sscottl get_gecos 642107543Sscottl get_uid 643110537Sadrian 644110537Sadrian # The case where group = user is handled elsewhere, so 645110537Sadrian # validate any other groups the user is invited to. 646110537Sadrian until [ "$_logingroup_ok" = yes ]; do 647110537Sadrian get_logingroup 648110537Sadrian _logingroup_ok=yes 649110537Sadrian if [ -n "$ulogingroup" -a "$username" != "$ulogingroup" ]; then 650110537Sadrian if ! ${PWCMD} show group $ulogingroup > /dev/null 2>&1; then 651110537Sadrian echo "Group $ulogingroup does not exist!" 652110537Sadrian _logingroup_ok=no 653110537Sadrian fi 654110537Sadrian fi 655110537Sadrian done 656110537Sadrian until [ "$_groups_ok" = yes ]; do 657110537Sadrian get_groups 658110537Sadrian _groups_ok=yes 659110537Sadrian for i in $ugroups; do 660110537Sadrian if [ "$username" != "$i" ]; then 661110537Sadrian if ! ${PWCMD} show group $i > /dev/null 2>&1; then 662110537Sadrian echo "Group $i does not exist!" 663110537Sadrian _groups_ok=no 664110537Sadrian fi 665110537Sadrian fi 666110537Sadrian done 667110537Sadrian done 668110537Sadrian 669107543Sscottl get_class 670107543Sscottl get_shell 671107543Sscottl get_homedir 672107543Sscottl 673107543Sscottl while : ; do 674107543Sscottl echo -n "Use password-based authentication? [$_usepass]: " 675107543Sscottl read _input 676107543Sscottl [ -z "$_input" ] && _input=$_usepass 677107543Sscottl case $_input in 678107543Sscottl [Nn][Oo]|[Nn]) 679107543Sscottl passwdtype="no" 680107543Sscottl ;; 681107543Sscottl [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 682107543Sscottl while : ; do 683107543Sscottl echo -n "Use an empty password? (yes/no) [$_emptypass]: " 684107543Sscottl read _input 685107543Sscottl [ -n "$_input" ] && _emptypass=$_input 686107543Sscottl case $_emptypass in 687107543Sscottl [Nn][Oo]|[Nn]) 688107543Sscottl echo -n "Use a random password? (yes/no) [$_random]: " 689107543Sscottl read _input 690107543Sscottl [ -n "$_input" ] && _random="$_input" 691107543Sscottl case $_random in 692107543Sscottl [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 693107543Sscottl passwdtype="random" 694107543Sscottl break 695107543Sscottl ;; 696107543Sscottl esac 697107543Sscottl passwdtype="yes" 698112401Smtm [ -n "$configflag" ] && break 699107543Sscottl trap 'stty echo; exit' 0 1 2 3 15 700107543Sscottl stty -echo 701107543Sscottl echo -n "Enter password: " 702110595Smtm read -r upass 703107543Sscottl echo'' 704107543Sscottl echo -n "Enter password again: " 705116623Smtm read -r _passconfirm 706107543Sscottl echo '' 707107543Sscottl stty echo 708107543Sscottl # if user entered a blank password 709107543Sscottl # explicitly ask again. 710107543Sscottl [ -z "$upass" -a -z "$_passconfirm" ] \ 711107543Sscottl && continue 712107543Sscottl ;; 713107543Sscottl [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 714107543Sscottl passwdtype="none" 715107543Sscottl break; 716107543Sscottl ;; 717107543Sscottl *) 718107543Sscottl # invalid answer; repeat the loop 719107543Sscottl continue 720107543Sscottl ;; 721107543Sscottl esac 722107543Sscottl if [ "$upass" != "$_passconfirm" ]; then 723107543Sscottl echo "Passwords did not match!" 724107543Sscottl continue 725107543Sscottl fi 726107543Sscottl break 727107543Sscottl done 728107543Sscottl ;; 729107543Sscottl *) 730107543Sscottl # invalid answer; repeat loop 731107543Sscottl continue 732107543Sscottl ;; 733107543Sscottl esac 734107543Sscottl break; 735107543Sscottl done 736107543Sscottl _disable=${disableflag:-"no"} 737107543Sscottl while : ; do 738107543Sscottl echo -n "Lock out the account after creation? [$_disable]: " 739107543Sscottl read _input 740107543Sscottl [ -z "$_input" ] && _input=$_disable 741107543Sscottl case $_input in 742107543Sscottl [Nn][Oo]|[Nn]) 743107543Sscottl disableflag= 744107543Sscottl ;; 745107543Sscottl [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 746107543Sscottl disableflag=yes 747107543Sscottl ;; 748107543Sscottl *) 749107543Sscottl # invalid answer; repeat loop 750107543Sscottl continue 751107543Sscottl ;; 752107543Sscottl esac 753107543Sscottl break 754107543Sscottl done 755107543Sscottl 756107543Sscottl # Display the information we have so far and prompt to 757107543Sscottl # commit it. 758107543Sscottl # 759107543Sscottl _disable=${disableflag:-"no"} 760107543Sscottl [ -z "$configflag" ] && printf "%-10s : %s\n" Username $username 761107543Sscottl case $passwdtype in 762107543Sscottl yes) 763107543Sscottl _pass='*****' 764107543Sscottl ;; 765107543Sscottl no) 766107543Sscottl _pass='<disabled>' 767107543Sscottl ;; 768107543Sscottl none) 769107543Sscottl _pass='<blank>' 770107543Sscottl ;; 771107543Sscottl random) 772107543Sscottl _pass='<random>' 773107543Sscottl ;; 774107543Sscottl esac 775109751Sfjoe [ -z "$configflag" ] && printf "%-10s : %s\n" "Password" "$_pass" 776109751Sfjoe [ -n "$configflag" ] && printf "%-10s : %s\n" "Pass Type" "$passwdtype" 777107543Sscottl [ -z "$configflag" ] && printf "%-10s : %s\n" "Full Name" "$ugecos" 778107543Sscottl [ -z "$configflag" ] && printf "%-10s : %s\n" "Uid" "$uuid" 779107543Sscottl printf "%-10s : %s\n" "Class" "$uclass" 780112433Smtm printf "%-10s : %s %s\n" "Groups" "${ulogingroup:-$username}" "$ugroups" 781107543Sscottl printf "%-10s : %s\n" "Home" "$uhome" 782107543Sscottl printf "%-10s : %s\n" "Shell" "$ushell" 783107543Sscottl printf "%-10s : %s\n" "Locked" "$_disable" 784107543Sscottl while : ; do 785107543Sscottl echo -n "OK? (yes/no): " 786107543Sscottl read _input 787107543Sscottl case $_input in 788107543Sscottl [Nn][Oo]|[Nn]) 789107543Sscottl return 1 790107543Sscottl ;; 791107543Sscottl [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 792107543Sscottl add_user 793107543Sscottl ;; 794107543Sscottl *) 795107543Sscottl continue 796107543Sscottl ;; 797107543Sscottl esac 798107543Sscottl break 799107543Sscottl done 800107543Sscottl return 0 801107543Sscottl} 802107543Sscottl 803145618Srobert#### END SUBROUTINE DEFINITION #### 804107543Sscottl 805107543SscottlTHISCMD=`/usr/bin/basename $0` 806107543SscottlDEFAULTSHELL=/bin/sh 807107543SscottlADDUSERCONF="${ADDUSERCONF:-/etc/adduser.conf}" 808107543SscottlPWCMD="${PWCMD:-/usr/sbin/pw}" 809107543SscottlMAILCMD="${MAILCMD:-mail}" 810107543SscottlETCSHELLS="${ETCSHELLS:-/etc/shells}" 811127076SmtmNOHOME="/nonexistent" 812116627SmtmNOLOGIN="nologin" 813127635ScpercivaNOLOGIN_PATH="/usr/sbin/nologin" 814109751SfjoeGREPCMD="/usr/bin/grep" 815109751SfjoeDATECMD="/bin/date" 816107543Sscottl 817107543Sscottl# Set default values 818107543Sscottl# 819107543Sscottlusername= 820107543Sscottluuid= 821107543Sscottluidstart= 822107543Sscottlugecos= 823107543Sscottlulogingroup= 824107543Sscottluclass= 825107543Sscottluhome= 826107543Sscottlupass= 827107543Sscottlushell= 828107543Sscottludotdir=/usr/share/skel 829107543Sscottlugroups= 830107543Sscottluexpire= 831107543Sscottlupwexpire= 832107543Sscottlshells="`valid_shells`" 833107543Sscottlpasswdtype="yes" 834107543Sscottlmsgfile=/etc/adduser.msg 835107543Sscottlmsgflag= 836107543Sscottlquietflag= 837107543Sscottlconfigflag= 838107543Sscottlfflag= 839107543Sscottlinfile= 840107543Sscottldisableflag= 841127076SmtmDflag= 842127076SmtmSflag= 843107543Sscottlreadconfig="yes" 844107543Sscottlhomeprefix="/home" 845107543Sscottlrandompass= 846107543Sscottlfileline= 847107543Sscottlsavedpwtype= 848107543Sscottldefaultclass= 849112433SmtmdefaultLgroup= 850116784Smtmdefaultgroups= 851107543Sscottldefaultshell="${DEFAULTSHELL}" 852107543Sscottl 853107543Sscottl# Make sure the user running this program is root. This isn't a security 854107543Sscottl# measure as much as it is a usefull method of reminding the user to 855107543Sscottl# 'su -' before he/she wastes time entering data that won't be saved. 856107543Sscottl# 857107543Sscottlprocowner=${procowner:-`/usr/bin/id -u`} 858107543Sscottlif [ "$procowner" != "0" ]; then 859107543Sscottl err 'you must be the super-user (uid 0) to use this utility.' 860107543Sscottl exit 1 861107543Sscottlfi 862107543Sscottl 863107543Sscottl# Overide from our conf file 864107543Sscottl# Quickly go through the commandline line to see if we should read 865107543Sscottl# from our configuration file. The actual parsing of the commandline 866107543Sscottl# arguments happens after we read in our configuration file (commandline 867107543Sscottl# should override configuration file). 868107543Sscottl# 869107543Sscottlfor _i in $* ; do 870107543Sscottl if [ "$_i" = "-N" ]; then 871107543Sscottl readconfig= 872107543Sscottl break; 873107543Sscottl fi 874107543Sscottldone 875107543Sscottlif [ -n "$readconfig" ]; then 876107543Sscottl # On a long-lived system, the first time this script is run it 877107543Sscottl # will barf upon reading the configuration file for its perl predecessor. 878107543Sscottl if ( . ${ADDUSERCONF} > /dev/null 2>&1 ); then 879107543Sscottl [ -r ${ADDUSERCONF} ] && . ${ADDUSERCONF} > /dev/null 2>&1 880107543Sscottl fi 881107543Sscottlfi 882107543Sscottl 883107543Sscottl# Proccess command-line options 884107543Sscottl# 885107543Sscottlfor _switch ; do 886107543Sscottl case $_switch in 887107543Sscottl -L) 888107543Sscottl defaultclass="$2" 889107543Sscottl shift; shift 890107543Sscottl ;; 891107543Sscottl -C) 892107543Sscottl configflag=yes 893107543Sscottl shift 894107543Sscottl ;; 895127076Smtm -D) 896127076Smtm Dflag=yes 897127076Smtm shift 898127076Smtm ;; 899107543Sscottl -E) 900107543Sscottl disableflag=yes 901107543Sscottl shift 902107543Sscottl ;; 903107543Sscottl -k) 904107543Sscottl udotdir="$2" 905107543Sscottl shift; shift 906107543Sscottl ;; 907107543Sscottl -f) 908107543Sscottl [ "$2" != "-" ] && infile="$2" 909107543Sscottl fflag=yes 910107543Sscottl shift; shift 911107543Sscottl ;; 912112433Smtm -g) 913112433Smtm defaultLgroup="$2" 914112433Smtm shift; shift 915112433Smtm ;; 916107543Sscottl -G) 917107543Sscottl defaultgroups="$2" 918107543Sscottl shift; shift 919107543Sscottl ;; 920107543Sscottl -h) 921107543Sscottl show_usage 922107543Sscottl exit 0 923107543Sscottl ;; 924107543Sscottl -d) 925107543Sscottl homeprefix="$2" 926107543Sscottl shift; shift 927107543Sscottl ;; 928107543Sscottl -m) 929107543Sscottl case "$2" in 930107543Sscottl [Nn][Oo]) 931107543Sscottl msgflag= 932107543Sscottl ;; 933107543Sscottl *) 934107543Sscottl msgflag=yes 935107543Sscottl msgfile="$2" 936107543Sscottl ;; 937107543Sscottl esac 938107543Sscottl shift; shift 939107543Sscottl ;; 940107543Sscottl -N) 941107543Sscottl readconfig= 942107543Sscottl shift 943107543Sscottl ;; 944107543Sscottl -w) 945107543Sscottl case "$2" in 946107543Sscottl no|none|random|yes) 947107543Sscottl passwdtype=$2 948107543Sscottl ;; 949107543Sscottl *) 950107543Sscottl show_usage 951107543Sscottl exit 1 952107543Sscottl ;; 953107543Sscottl esac 954107543Sscottl shift; shift 955107543Sscottl ;; 956107543Sscottl -q) 957107543Sscottl quietflag=yes 958107543Sscottl shift 959107543Sscottl ;; 960107543Sscottl -s) 961107543Sscottl defaultshell="`fullpath_from_shell $2`" 962107543Sscottl shift; shift 963107543Sscottl ;; 964127076Smtm -S) 965127076Smtm Sflag=yes 966127076Smtm shift 967127076Smtm ;; 968107543Sscottl -u) 969107543Sscottl uidstart=$2 970107543Sscottl shift; shift 971107543Sscottl ;; 972107543Sscottl esac 973107543Sscottldone 974107543Sscottl 975107543Sscottl# If the -f switch was used, get input from a file. Otherwise, 976107543Sscottl# this is an interactive session. 977107543Sscottl# 978107543Sscottlif [ -n "$fflag" ]; then 979107543Sscottl if [ -z "$infile" ]; then 980107543Sscottl input_from_file 981107543Sscottl elif [ -n "$infile" ]; then 982107543Sscottl if [ -r "$infile" ]; then 983107543Sscottl input_from_file < $infile 984107543Sscottl else 985107543Sscottl err "File ($infile) is unreadable or does not exist." 986107543Sscottl fi 987107543Sscottl fi 988107543Sscottlelse 989107543Sscottl input_interactive 990109768Smtm while : ; do 991112401Smtm if [ -z "$configflag" ]; then 992112401Smtm echo -n "Add another user? (yes/no): " 993112401Smtm else 994112401Smtm echo -n "Re-edit the default configuration? (yes/no): " 995112401Smtm fi 996109768Smtm read _input 997109768Smtm case $_input in 998109768Smtm [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 999109768Smtm uidstart=`get_nextuid $uidstart` 1000109768Smtm input_interactive 1001109768Smtm continue 1002109768Smtm ;; 1003109768Smtm [Nn][Oo]|[Nn]) 1004109768Smtm echo "Goodbye!" 1005109768Smtm ;; 1006109768Smtm *) 1007109768Smtm continue 1008109768Smtm ;; 1009109768Smtm esac 1010109768Smtm break 1011109768Smtm done 1012107543Sscottlfi 1013