1#!/bin/sh 2# 3# Copyright (c) 2002-2004 Michael Telahun Makonnen. All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24# 25# Email: Mike Makonnen <mtm@FreeBSD.Org> 26# 27# $FreeBSD$ 28# 29 30# err msg 31# Display $msg on stderr, unless we're being quiet. 32# 33err() { 34 if [ -z "$quietflag" ]; then 35 echo 1>&2 ${THISCMD}: ERROR: $* 36 fi 37} 38 39# info msg 40# Display $msg on stdout, unless we're being quiet. 41# 42info() { 43 if [ -z "$quietflag" ]; then 44 echo ${THISCMD}: INFO: $* 45 fi 46} 47 48# get_nextuid 49# Output the value of $_uid if it is available for use. If it 50# is not, output the value of the next higher uid that is available. 51# If a uid is not specified, output the first available uid, as indicated 52# by pw(8). 53# 54get_nextuid () { 55 _uid=$1 56 _nextuid= 57 58 if [ -z "$_uid" ]; then 59 _nextuid="`${PWCMD} usernext | cut -f1 -d:`" 60 else 61 while : ; do 62 ${PWCMD} usershow $_uid > /dev/null 2>&1 63 if [ ! "$?" -eq 0 ]; then 64 _nextuid=$_uid 65 break 66 fi 67 _uid=$(($_uid + 1)) 68 done 69 fi 70 echo $_nextuid 71} 72 73# show_usage 74# Display usage information for this utility. 75# 76show_usage() { 77 echo "usage: ${THISCMD} [options]" 78 echo " options may include:" 79 echo " -C save to the configuration file only" 80 echo " -D do not attempt to create the home directory" 81 echo " -E disable this account after creation" 82 echo " -G additional groups to add accounts to" 83 echo " -L login class of the user" 84 echo " -M file permission for home directory" 85 echo " -N do not read configuration file" 86 echo " -S a nonexistent shell is not an error" 87 echo " -d home directory" 88 echo " -f file from which input will be received" 89 echo " -g default login group" 90 echo " -h display this usage message" 91 echo " -k path to skeleton home directory" 92 echo " -m user welcome message file" 93 echo " -q absolute minimal user feedback" 94 echo " -s shell" 95 echo " -u uid to start at" 96 echo " -w password type: no, none, yes or random" 97} 98 99# valid_shells 100# Outputs a list of valid shells from /etc/shells. Only the 101# basename of the shell is output. 102# 103valid_shells() { 104 _prefix= 105 cat ${ETCSHELLS} | 106 while read _path _junk ; do 107 case $_path in 108 \#*|'') 109 ;; 110 *) 111 echo -n "${_prefix}`basename $_path`" 112 _prefix=' ' 113 ;; 114 esac 115 done 116 117 # /usr/sbin/nologin is a special case 118 [ -x "${NOLOGIN_PATH}" ] && echo -n " ${NOLOGIN}" 119} 120 121# fullpath_from_shell shell 122# Given $shell, which is either the full path to a shell or 123# the basename component of a valid shell, get the 124# full path to the shell from the /etc/shells file. 125# 126fullpath_from_shell() { 127 _shell=$1 128 [ -z "$_shell" ] && return 1 129 130 # /usr/sbin/nologin is a special case; it needs to be handled 131 # before the cat | while loop, since a 'return' from within 132 # a subshell will not terminate the function's execution, and 133 # the path to the nologin shell might be printed out twice. 134 # 135 if [ "$_shell" = "${NOLOGIN}" -o \ 136 "$_shell" = "${NOLOGIN_PATH}" ]; then 137 echo ${NOLOGIN_PATH} 138 return 0; 139 fi 140 141 cat ${ETCSHELLS} | 142 while read _path _junk ; do 143 case "$_path" in 144 \#*|'') 145 ;; 146 *) 147 if [ "$_path" = "$_shell" -o \ 148 "`basename $_path`" = "$_shell" ]; then 149 echo $_path 150 return 0 151 fi 152 ;; 153 esac 154 done 155 156 return 1 157} 158 159# shell_exists shell 160# If the given shell is listed in ${ETCSHELLS} or it is 161# the nologin shell this function will return 0. 162# Otherwise, it will return 1. If shell is valid but 163# the path is invalid or it is not executable it 164# will emit an informational message saying so. 165# 166shell_exists() { 167 _sh="$1" 168 _shellchk="${GREPCMD} '^$_sh$' ${ETCSHELLS} > /dev/null 2>&1" 169 170 if ! eval $_shellchk; then 171 # The nologin shell is not listed in /etc/shells. 172 if [ "$_sh" != "${NOLOGIN_PATH}" ]; then 173 err "Invalid shell ($_sh) for user $username." 174 return 1 175 fi 176 fi 177 ! [ -x "$_sh" ] && 178 info "The shell ($_sh) does not exist or is not executable." 179 180 return 0 181} 182 183# save_config 184# Save some variables to a configuration file. 185# Note: not all script variables are saved, only those that 186# it makes sense to save. 187# 188save_config() { 189 echo "# Configuration file for adduser(8)." > ${ADDUSERCONF} 190 echo "# NOTE: only *some* variables are saved." >> ${ADDUSERCONF} 191 echo "# Last Modified on `${DATECMD}`." >> ${ADDUSERCONF} 192 echo '' >> ${ADDUSERCONF} 193 echo "defaultHomePerm=$uhomeperm" >> ${ADDUSERCONF} 194 echo "defaultLgroup=$ulogingroup" >> ${ADDUSERCONF} 195 echo "defaultclass=$uclass" >> ${ADDUSERCONF} 196 echo "defaultgroups=$ugroups" >> ${ADDUSERCONF} 197 echo "passwdtype=$passwdtype" >> ${ADDUSERCONF} 198 echo "homeprefix=$homeprefix" >> ${ADDUSERCONF} 199 echo "defaultshell=$ushell" >> ${ADDUSERCONF} 200 echo "udotdir=$udotdir" >> ${ADDUSERCONF} 201 echo "msgfile=$msgfile" >> ${ADDUSERCONF} 202 echo "disableflag=$disableflag" >> ${ADDUSERCONF} 203 echo "uidstart=$uidstart" >> ${ADDUSERCONF} 204} 205 206# add_user 207# Add a user to the user database. If the user chose to send a welcome 208# message or lock the account, do so. 209# 210add_user() { 211 212 # Is this a configuration run? If so, don't modify user database. 213 # 214 if [ -n "$configflag" ]; then 215 save_config 216 return 217 fi 218 219 _uid= 220 _name= 221 _comment= 222 _gecos= 223 _home= 224 _group= 225 _grouplist= 226 _shell= 227 _class= 228 _dotdir= 229 _expire= 230 _pwexpire= 231 _passwd= 232 _upasswd= 233 _passwdmethod= 234 235 _name="-n '$username'" 236 [ -n "$uuid" ] && _uid='-u "$uuid"' 237 [ -n "$ulogingroup" ] && _group='-g "$ulogingroup"' 238 [ -n "$ugroups" ] && _grouplist='-G "$ugroups"' 239 [ -n "$ushell" ] && _shell='-s "$ushell"' 240 [ -n "$uclass" ] && _class='-L "$uclass"' 241 [ -n "$ugecos" ] && _comment='-c "$ugecos"' 242 [ -n "$udotdir" ] && _dotdir='-k "$udotdir"' 243 [ -n "$uexpire" ] && _expire='-e "$uexpire"' 244 [ -n "$upwexpire" ] && _pwexpire='-p "$upwexpire"' 245 if [ -z "$Dflag" -a -n "$uhome" ]; then 246 # The /nonexistent home directory is special. It 247 # means the user has no home directory. 248 if [ "$uhome" = "$NOHOME" ]; then 249 _home='-d "$uhome"' 250 else 251 # Use home directory permissions if specified 252 if [ -n "$uhomeperm" ]; then 253 _home='-m -d "$uhome" -M "$uhomeperm"' 254 else 255 _home='-m -d "$uhome"' 256 fi 257 fi 258 elif [ -n "$Dflag" -a -n "$uhome" ]; then 259 _home='-d "$uhome"' 260 fi 261 case $passwdtype in 262 no) 263 _passwdmethod="-w no" 264 _passwd="-h -" 265 ;; 266 yes) 267 # Note on processing the password: The outer double quotes 268 # make literal everything except ` and \ and $. 269 # The outer single quotes make literal ` and $. 270 # We can ensure the \ isn't treated specially by specifying 271 # the -r switch to the read command used to obtain the input. 272 # 273 _passwdmethod="-w yes" 274 _passwd="-h 0" 275 _upasswd='echo "$upass" |' 276 ;; 277 none) 278 _passwdmethod="-w none" 279 ;; 280 random) 281 _passwdmethod="-w random" 282 ;; 283 esac 284 285 _pwcmd="$_upasswd ${PWCMD} useradd $_uid $_name $_group $_grouplist $_comment" 286 _pwcmd="$_pwcmd $_shell $_class $_home $_dotdir $_passwdmethod $_passwd" 287 _pwcmd="$_pwcmd $_expire $_pwexpire" 288 289 if ! _output=`eval $_pwcmd` ; then 290 err "There was an error adding user ($username)." 291 return 1 292 else 293 info "Successfully added ($username) to the user database." 294 if [ "random" = "$passwdtype" ]; then 295 randompass="$_output" 296 info "Password for ($username) is: $randompass" 297 fi 298 fi 299 300 if [ -n "$disableflag" ]; then 301 if ${PWCMD} lock $username ; then 302 info "Account ($username) is locked." 303 else 304 info "Account ($username) could NOT be locked." 305 fi 306 fi 307 308 _line= 309 _owner= 310 _perms= 311 if [ -n "$msgflag" ]; then 312 [ -r "$msgfile" ] && { 313 # We're evaluating the contents of an external file. 314 # Let's not open ourselves up for attack. _perms will 315 # be empty if it's writeable only by the owner. _owner 316 # will *NOT* be empty if the file is owned by root. 317 # 318 _dir="`dirname $msgfile`" 319 _file="`basename $msgfile`" 320 _perms=`/usr/bin/find $_dir -name $_file -perm +07022 -prune` 321 _owner=`/usr/bin/find $_dir -name $_file -user 0 -prune` 322 if [ -z "$_owner" -o -n "$_perms" ]; then 323 err "The message file ($msgfile) may be writeable only by root." 324 return 1 325 fi 326 cat "$msgfile" | 327 while read _line ; do 328 eval echo "$_line" 329 done | ${MAILCMD} -s"Welcome" ${username} 330 info "Sent welcome message to ($username)." 331 } 332 fi 333} 334 335# get_user 336# Reads username of the account from standard input or from a global 337# variable containing an account line from a file. The username is 338# required. If this is an interactive session it will prompt in 339# a loop until a username is entered. If it is batch processing from 340# a file it will output an error message and return to the caller. 341# 342get_user() { 343 _input= 344 345 # No need to take down user names if this is a configuration saving run. 346 [ -n "$configflag" ] && return 347 348 while : ; do 349 if [ -z "$fflag" ]; then 350 echo -n "Username: " 351 read _input 352 else 353 _input="`echo "$fileline" | cut -f1 -d:`" 354 fi 355 356 # There *must* be a username, and it must not exist. If 357 # this is an interactive session give the user an 358 # opportunity to retry. 359 # 360 if [ -z "$_input" ]; then 361 err "You must enter a username!" 362 [ -z "$fflag" ] && continue 363 fi 364 ${PWCMD} usershow $_input > /dev/null 2>&1 365 if [ "$?" -eq 0 ]; then 366 err "User exists!" 367 [ -z "$fflag" ] && continue 368 fi 369 break 370 done 371 username="$_input" 372} 373 374# get_gecos 375# Reads extra information about the user. Can be used both in interactive 376# and batch (from file) mode. 377# 378get_gecos() { 379 _input= 380 381 # No need to take down additional user information for a configuration run. 382 [ -n "$configflag" ] && return 383 384 if [ -z "$fflag" ]; then 385 echo -n "Full name: " 386 read _input 387 else 388 _input="`echo "$fileline" | cut -f7 -d:`" 389 fi 390 ugecos="$_input" 391} 392 393# get_shell 394# Get the account's shell. Works in interactive and batch mode. It 395# accepts either the base name of the shell or the full path. 396# If an invalid shell is entered it will simply use the default shell. 397# 398get_shell() { 399 _input= 400 _fullpath= 401 ushell="$defaultshell" 402 403 # Make sure the current value of the shell is a valid one 404 if [ -z "$Sflag" ]; then 405 if ! shell_exists $ushell ; then 406 info "Using default shell ${defaultshell}." 407 ushell="$defaultshell" 408 fi 409 fi 410 411 if [ -z "$fflag" ]; then 412 echo -n "Shell ($shells) [`basename $ushell`]: " 413 read _input 414 else 415 _input="`echo "$fileline" | cut -f9 -d:`" 416 fi 417 if [ -n "$_input" ]; then 418 if [ -n "$Sflag" ]; then 419 ushell="$_input" 420 else 421 _fullpath=`fullpath_from_shell $_input` 422 if [ -n "$_fullpath" ]; then 423 ushell="$_fullpath" 424 else 425 err "Invalid shell ($_input) for user $username." 426 info "Using default shell ${defaultshell}." 427 ushell="$defaultshell" 428 fi 429 fi 430 fi 431} 432 433# get_homedir 434# Reads the account's home directory. Used both with interactive input 435# and batch input. 436# 437get_homedir() { 438 _input= 439 if [ -z "$fflag" ]; then 440 echo -n "Home directory [${homeprefix}/${username}]: " 441 read _input 442 else 443 _input="`echo "$fileline" | cut -f8 -d:`" 444 fi 445 446 if [ -n "$_input" ]; then 447 uhome="$_input" 448 # if this is a configuration run, then user input is the home 449 # directory prefix. Otherwise it is understood to 450 # be $prefix/$user 451 # 452 [ -z "$configflag" ] && homeprefix="`dirname $uhome`" || homeprefix="$uhome" 453 else 454 uhome="${homeprefix}/${username}" 455 fi 456} 457 458# get_homeperm 459# Reads the account's home directory permissions. 460# 461get_homeperm() { 462 uhomeperm=$defaultHomePerm 463 _input= 464 _prompt= 465 466 if [ -n "$uhomeperm" ]; then 467 _prompt="Home directory permissions [${uhomeperm}]: " 468 else 469 _prompt="Home directory permissions (Leave empty for default): " 470 fi 471 if [ -z "$fflag" ]; then 472 echo -n "$_prompt" 473 read _input 474 fi 475 476 if [ -n "$_input" ]; then 477 uhomeperm="$_input" 478 fi 479} 480 481# get_uid 482# Reads a numeric userid in an interactive or batch session. Automatically 483# allocates one if it is not specified. 484# 485get_uid() { 486 uuid=${uidstart} 487 _input= 488 _prompt= 489 490 if [ -n "$uuid" ]; then 491 uuid=`get_nextuid $uuid` 492 _prompt="Uid [$uuid]: " 493 else 494 _prompt="Uid (Leave empty for default): " 495 fi 496 if [ -z "$fflag" ]; then 497 echo -n "$_prompt" 498 read _input 499 else 500 _input="`echo "$fileline" | cut -f2 -d:`" 501 fi 502 503 [ -n "$_input" ] && uuid=$_input 504 uuid=`get_nextuid $uuid` 505 uidstart=$uuid 506} 507 508# get_class 509# Reads login class of account. Can be used in interactive or batch mode. 510# 511get_class() { 512 uclass="$defaultclass" 513 _input= 514 _class=${uclass:-"default"} 515 516 if [ -z "$fflag" ]; then 517 echo -n "Login class [$_class]: " 518 read _input 519 else 520 _input="`echo "$fileline" | cut -f4 -d:`" 521 fi 522 523 [ -n "$_input" ] && uclass="$_input" 524} 525 526# get_logingroup 527# Reads user's login group. Can be used in both interactive and batch 528# modes. The specified value can be a group name or its numeric id. 529# This routine leaves the field blank if nothing is provided and 530# a default login group has not been set. The pw(8) command 531# will then provide a login group with the same name as the username. 532# 533get_logingroup() { 534 ulogingroup="$defaultLgroup" 535 _input= 536 537 if [ -z "$fflag" ]; then 538 echo -n "Login group [${ulogingroup:-$username}]: " 539 read _input 540 else 541 _input="`echo "$fileline" | cut -f3 -d:`" 542 fi 543 544 # Pw(8) will use the username as login group if it's left empty 545 [ -n "$_input" ] && ulogingroup="$_input" 546} 547 548# get_groups 549# Read additional groups for the user. It can be used in both interactive 550# and batch modes. 551# 552get_groups() { 553 ugroups="$defaultgroups" 554 _input= 555 _group=${ulogingroup:-"${username}"} 556 557 if [ -z "$configflag" ]; then 558 [ -z "$fflag" ] && echo -n "Login group is $_group. Invite $username" 559 [ -z "$fflag" ] && echo -n " into other groups? [$ugroups]: " 560 else 561 [ -z "$fflag" ] && echo -n "Enter additional groups [$ugroups]: " 562 fi 563 read _input 564 565 [ -n "$_input" ] && ugroups="$_input" 566} 567 568# get_expire_dates 569# Read expiry information for the account and also for the password. This 570# routine is used only from batch processing mode. 571# 572get_expire_dates() { 573 upwexpire="`echo "$fileline" | cut -f5 -d:`" 574 uexpire="`echo "$fileline" | cut -f6 -d:`" 575} 576 577# get_password 578# Read the password in batch processing mode. The password field matters 579# only when the password type is "yes" or "random". If the field is empty and the 580# password type is "yes", then it assumes the account has an empty passsword 581# and changes the password type accordingly. If the password type is "random" 582# and the password field is NOT empty, then it assumes the account will NOT 583# have a random password and set passwdtype to "yes." 584# 585get_password() { 586 # We may temporarily change a password type. Make sure it's changed 587 # back to whatever it was before we process the next account. 588 # 589 [ -n "$savedpwtype" ] && { 590 passwdtype=$savedpwtype 591 savedpwtype= 592 } 593 594 # There may be a ':' in the password 595 upass=${fileline#*:*:*:*:*:*:*:*:*:} 596 597 if [ -z "$upass" ]; then 598 case $passwdtype in 599 yes) 600 # if it's empty, assume an empty password 601 passwdtype=none 602 savedpwtype=yes 603 ;; 604 esac 605 else 606 case $passwdtype in 607 random) 608 passwdtype=yes 609 savedpwtype=random 610 ;; 611 esac 612 fi 613} 614 615# input_from_file 616# Reads a line of account information from standard input and 617# adds it to the user database. 618# 619input_from_file() { 620 _field= 621 622 while read -r fileline ; do 623 case "$fileline" in 624 \#*|'') 625 ;; 626 *) 627 get_user || continue 628 get_gecos 629 get_uid 630 get_logingroup 631 get_class 632 get_shell 633 get_homedir 634 get_homeperm 635 get_password 636 get_expire_dates 637 ugroups="$defaultgroups" 638 639 add_user 640 ;; 641 esac 642 done 643} 644 645# input_interactive 646# Prompts for user information interactively, and commits to 647# the user database. 648# 649input_interactive() { 650 _disable= 651 _pass= 652 _passconfirm= 653 _random="no" 654 _emptypass="no" 655 _usepass="yes" 656 _logingroup_ok="no" 657 _groups_ok="no" 658 case $passwdtype in 659 none) 660 _emptypass="yes" 661 _usepass="yes" 662 ;; 663 no) 664 _usepass="no" 665 ;; 666 random) 667 _random="yes" 668 ;; 669 esac 670 671 get_user 672 get_gecos 673 get_uid 674 675 # The case where group = user is handled elsewhere, so 676 # validate any other groups the user is invited to. 677 until [ "$_logingroup_ok" = yes ]; do 678 get_logingroup 679 _logingroup_ok=yes 680 if [ -n "$ulogingroup" -a "$username" != "$ulogingroup" ]; then 681 if ! ${PWCMD} show group $ulogingroup > /dev/null 2>&1; then 682 echo "Group $ulogingroup does not exist!" 683 _logingroup_ok=no 684 fi 685 fi 686 done 687 until [ "$_groups_ok" = yes ]; do 688 get_groups 689 _groups_ok=yes 690 for i in $ugroups; do 691 if [ "$username" != "$i" ]; then 692 if ! ${PWCMD} show group $i > /dev/null 2>&1; then 693 echo "Group $i does not exist!" 694 _groups_ok=no 695 fi 696 fi 697 done 698 done 699 700 get_class 701 get_shell 702 get_homedir 703 get_homeperm 704 705 while : ; do 706 echo -n "Use password-based authentication? [$_usepass]: " 707 read _input 708 [ -z "$_input" ] && _input=$_usepass 709 case $_input in 710 [Nn][Oo]|[Nn]) 711 passwdtype="no" 712 ;; 713 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 714 while : ; do 715 echo -n "Use an empty password? (yes/no) [$_emptypass]: " 716 read _input 717 [ -n "$_input" ] && _emptypass=$_input 718 case $_emptypass in 719 [Nn][Oo]|[Nn]) 720 echo -n "Use a random password? (yes/no) [$_random]: " 721 read _input 722 [ -n "$_input" ] && _random="$_input" 723 case $_random in 724 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 725 passwdtype="random" 726 break 727 ;; 728 esac 729 passwdtype="yes" 730 [ -n "$configflag" ] && break 731 trap 'stty echo; exit' 0 1 2 3 15 732 stty -echo 733 echo -n "Enter password: " 734 read -r upass 735 echo'' 736 echo -n "Enter password again: " 737 read -r _passconfirm 738 echo '' 739 stty echo 740 # if user entered a blank password 741 # explicitly ask again. 742 [ -z "$upass" -a -z "$_passconfirm" ] \ 743 && continue 744 ;; 745 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 746 passwdtype="none" 747 break; 748 ;; 749 *) 750 # invalid answer; repeat the loop 751 continue 752 ;; 753 esac 754 if [ "$upass" != "$_passconfirm" ]; then 755 echo "Passwords did not match!" 756 continue 757 fi 758 break 759 done 760 ;; 761 *) 762 # invalid answer; repeat loop 763 continue 764 ;; 765 esac 766 break; 767 done 768 _disable=${disableflag:-"no"} 769 while : ; do 770 echo -n "Lock out the account after creation? [$_disable]: " 771 read _input 772 [ -z "$_input" ] && _input=$_disable 773 case $_input in 774 [Nn][Oo]|[Nn]) 775 disableflag= 776 ;; 777 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 778 disableflag=yes 779 ;; 780 *) 781 # invalid answer; repeat loop 782 continue 783 ;; 784 esac 785 break 786 done 787 788 # Display the information we have so far and prompt to 789 # commit it. 790 # 791 _disable=${disableflag:-"no"} 792 [ -z "$configflag" ] && printf "%-10s : %s\n" Username $username 793 case $passwdtype in 794 yes) 795 _pass='*****' 796 ;; 797 no) 798 _pass='<disabled>' 799 ;; 800 none) 801 _pass='<blank>' 802 ;; 803 random) 804 _pass='<random>' 805 ;; 806 esac 807 [ -z "$configflag" ] && printf "%-10s : %s\n" "Password" "$_pass" 808 [ -n "$configflag" ] && printf "%-10s : %s\n" "Pass Type" "$passwdtype" 809 [ -z "$configflag" ] && printf "%-10s : %s\n" "Full Name" "$ugecos" 810 [ -z "$configflag" ] && printf "%-10s : %s\n" "Uid" "$uuid" 811 printf "%-10s : %s\n" "Class" "$uclass" 812 printf "%-10s : %s %s\n" "Groups" "${ulogingroup:-$username}" "$ugroups" 813 printf "%-10s : %s\n" "Home" "$uhome" 814 printf "%-10s : %s\n" "Home Mode" "$uhomeperm" 815 printf "%-10s : %s\n" "Shell" "$ushell" 816 printf "%-10s : %s\n" "Locked" "$_disable" 817 while : ; do 818 echo -n "OK? (yes/no): " 819 read _input 820 case $_input in 821 [Nn][Oo]|[Nn]) 822 return 1 823 ;; 824 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 825 add_user 826 ;; 827 *) 828 continue 829 ;; 830 esac 831 break 832 done 833 return 0 834} 835 836#### END SUBROUTINE DEFINITION #### 837 838THISCMD=`/usr/bin/basename $0` 839DEFAULTSHELL=/bin/sh 840ADDUSERCONF="${ADDUSERCONF:-/etc/adduser.conf}" 841PWCMD="${PWCMD:-/usr/sbin/pw}" 842MAILCMD="${MAILCMD:-mail}" 843ETCSHELLS="${ETCSHELLS:-/etc/shells}" 844NOHOME="/nonexistent" 845NOLOGIN="nologin" 846NOLOGIN_PATH="/usr/sbin/nologin" 847GREPCMD="/usr/bin/grep" 848DATECMD="/bin/date" 849 850# Set default values 851# 852username= 853uuid= 854uidstart= 855ugecos= 856ulogingroup= 857uclass= 858uhome= 859uhomeperm= 860upass= 861ushell= 862udotdir=/usr/share/skel 863ugroups= 864uexpire= 865upwexpire= 866shells="`valid_shells`" 867passwdtype="yes" 868msgfile=/etc/adduser.msg 869msgflag= 870quietflag= 871configflag= 872fflag= 873infile= 874disableflag= 875Dflag= 876Sflag= 877readconfig="yes" 878homeprefix="/home" 879randompass= 880fileline= 881savedpwtype= 882defaultclass= 883defaultLgroup= 884defaultgroups= 885defaultshell="${DEFAULTSHELL}" 886defaultHomePerm= 887 888# Make sure the user running this program is root. This isn't a security 889# measure as much as it is a useful method of reminding the user to 890# 'su -' before he/she wastes time entering data that won't be saved. 891# 892procowner=${procowner:-`/usr/bin/id -u`} 893if [ "$procowner" != "0" ]; then 894 err 'you must be the super-user (uid 0) to use this utility.' 895 exit 1 896fi 897 898# Override from our conf file 899# Quickly go through the commandline line to see if we should read 900# from our configuration file. The actual parsing of the commandline 901# arguments happens after we read in our configuration file (commandline 902# should override configuration file). 903# 904for _i in $* ; do 905 if [ "$_i" = "-N" ]; then 906 readconfig= 907 break; 908 fi 909done 910if [ -n "$readconfig" ]; then 911 # On a long-lived system, the first time this script is run it 912 # will barf upon reading the configuration file for its perl predecessor. 913 if ( . ${ADDUSERCONF} > /dev/null 2>&1 ); then 914 [ -r ${ADDUSERCONF} ] && . ${ADDUSERCONF} > /dev/null 2>&1 915 fi 916fi 917 918# Process command-line options 919# 920for _switch ; do 921 case $_switch in 922 -L) 923 defaultclass="$2" 924 shift; shift 925 ;; 926 -C) 927 configflag=yes 928 shift 929 ;; 930 -D) 931 Dflag=yes 932 shift 933 ;; 934 -E) 935 disableflag=yes 936 shift 937 ;; 938 -k) 939 udotdir="$2" 940 shift; shift 941 ;; 942 -f) 943 [ "$2" != "-" ] && infile="$2" 944 fflag=yes 945 shift; shift 946 ;; 947 -g) 948 defaultLgroup="$2" 949 shift; shift 950 ;; 951 -G) 952 defaultgroups="$2" 953 shift; shift 954 ;; 955 -h) 956 show_usage 957 exit 0 958 ;; 959 -d) 960 homeprefix="$2" 961 shift; shift 962 ;; 963 -m) 964 case "$2" in 965 [Nn][Oo]) 966 msgflag= 967 ;; 968 *) 969 msgflag=yes 970 msgfile="$2" 971 ;; 972 esac 973 shift; shift 974 ;; 975 -M) 976 defaultHomePerm=$2 977 shift; shift 978 ;; 979 -N) 980 readconfig= 981 shift 982 ;; 983 -w) 984 case "$2" in 985 no|none|random|yes) 986 passwdtype=$2 987 ;; 988 *) 989 show_usage 990 exit 1 991 ;; 992 esac 993 shift; shift 994 ;; 995 -q) 996 quietflag=yes 997 shift 998 ;; 999 -s) 1000 defaultshell="`fullpath_from_shell $2`" 1001 shift; shift 1002 ;; 1003 -S) 1004 Sflag=yes 1005 shift 1006 ;; 1007 -u) 1008 uidstart=$2 1009 shift; shift 1010 ;; 1011 esac 1012done 1013 1014# If the -f switch was used, get input from a file. Otherwise, 1015# this is an interactive session. 1016# 1017if [ -n "$fflag" ]; then 1018 if [ -z "$infile" ]; then 1019 input_from_file 1020 elif [ -n "$infile" ]; then 1021 if [ -r "$infile" ]; then 1022 input_from_file < $infile 1023 else 1024 err "File ($infile) is unreadable or does not exist." 1025 fi 1026 fi 1027else 1028 input_interactive 1029 while : ; do 1030 if [ -z "$configflag" ]; then 1031 echo -n "Add another user? (yes/no): " 1032 else 1033 echo -n "Re-edit the default configuration? (yes/no): " 1034 fi 1035 read _input 1036 case $_input in 1037 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 1038 uidstart=`get_nextuid $uidstart` 1039 input_interactive 1040 continue 1041 ;; 1042 [Nn][Oo]|[Nn]) 1043 echo "Goodbye!" 1044 ;; 1045 *) 1046 continue 1047 ;; 1048 esac 1049 break 1050 done 1051fi 1052