adduser.sh revision 168656
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: head/usr.sbin/adduser/adduser.sh 168656 2007-04-12 08:17:56Z mtm $ 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 " -N do not read configuration file" 85 echo " -S a nonexistent shell is not an error" 86 echo " -d home directory" 87 echo " -f file from which input will be received" 88 echo " -g default login group" 89 echo " -h display this usage message" 90 echo " -k path to skeleton home directory" 91 echo " -m user welcome message file" 92 echo " -q absolute minimal user feedback" 93 echo " -s shell" 94 echo " -u uid to start at" 95 echo " -w password type: no, none, yes or random" 96} 97 98# valid_shells 99# Outputs a list of valid shells from /etc/shells. Only the 100# basename of the shell is output. 101# 102valid_shells() { 103 _prefix= 104 cat ${ETCSHELLS} | 105 while read _path _junk ; do 106 case $_path in 107 \#*|'') 108 ;; 109 *) 110 echo -n "${_prefix}`basename $_path`" 111 _prefix=' ' 112 ;; 113 esac 114 done 115 116 # /usr/sbin/nologin is a special case 117 [ -x "${NOLOGIN_PATH}" ] && echo -n " ${NOLOGIN}" 118} 119 120# fullpath_from_shell shell 121# Given $shell, which is either the full path to a shell or 122# the basename component of a valid shell, get the 123# full path to the shell from the /etc/shells file. 124# 125fullpath_from_shell() { 126 _shell=$1 127 [ -z "$_shell" ] && return 1 128 129 # /usr/sbin/nologin is a special case; it needs to be handled 130 # before the cat | while loop, since a 'return' from within 131 # a subshell will not terminate the function's execution, and 132 # the path to the nologin shell might be printed out twice. 133 # 134 if [ "$_shell" = "${NOLOGIN}" -o \ 135 "$_shell" = "${NOLOGIN_PATH}" ]; then 136 echo ${NOLOGIN_PATH} 137 return 0; 138 fi 139 140 cat ${ETCSHELLS} | 141 while read _path _junk ; do 142 case "$_path" in 143 \#*|'') 144 ;; 145 *) 146 if [ "$_path" = "$_shell" -o \ 147 "`basename $_path`" = "$_shell" ]; then 148 echo $_path 149 return 0 150 fi 151 ;; 152 esac 153 done 154 155 return 1 156} 157 158# shell_exists shell 159# If the given shell is listed in ${ETCSHELLS} or it is 160# the nologin shell this function will return 0. 161# Otherwise, it will return 1. If shell is valid but 162# the path is invalid or it is not executable it 163# will emit an informational message saying so. 164# 165shell_exists() 166{ 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 '' >> ${ADDUSERCONF} 193 echo "defaultLgroup=$ulogingroup" >> ${ADDUSERCONF} 194 echo "defaultclass=$uclass" >> ${ADDUSERCONF} 195 echo "defaultgroups=$ugroups" >> ${ADDUSERCONF} 196 echo "passwdtype=$passwdtype" >> ${ADDUSERCONF} 197 echo "homeprefix=$homeprefix" >> ${ADDUSERCONF} 198 echo "defaultshell=$ushell" >> ${ADDUSERCONF} 199 echo "udotdir=$udotdir" >> ${ADDUSERCONF} 200 echo "msgfile=$msgfile" >> ${ADDUSERCONF} 201 echo "disableflag=$disableflag" >> ${ADDUSERCONF} 202 echo "uidstart=$uidstart" >> ${ADDUSERCONF} 203} 204 205# add_user 206# Add a user to the user database. If the user chose to send a welcome 207# message or lock the account, do so. 208# 209add_user() { 210 211 # Is this a configuration run? If so, don't modify user database. 212 # 213 if [ -n "$configflag" ]; then 214 save_config 215 return 216 fi 217 218 _uid= 219 _name= 220 _comment= 221 _gecos= 222 _home= 223 _group= 224 _grouplist= 225 _shell= 226 _class= 227 _dotdir= 228 _expire= 229 _pwexpire= 230 _passwd= 231 _upasswd= 232 _passwdmethod= 233 234 _name="-n '$username'" 235 [ -n "$uuid" ] && _uid='-u "$uuid"' 236 [ -n "$ulogingroup" ] && _group='-g "$ulogingroup"' 237 [ -n "$ugroups" ] && _grouplist='-G "$ugroups"' 238 [ -n "$ushell" ] && _shell='-s "$ushell"' 239 [ -n "$uclass" ] && _class='-L "$uclass"' 240 [ -n "$ugecos" ] && _comment='-c "$ugecos"' 241 [ -n "$udotdir" ] && _dotdir='-k "$udotdir"' 242 [ -n "$uexpire" ] && _expire='-e "$uexpire"' 243 [ -n "$upwexpire" ] && _pwexpire='-p "$upwexpire"' 244 if [ -z "$Dflag" -a -n "$uhome" ]; then 245 # The /nonexistent home directory is special. It 246 # means the user has no home directory. 247 if [ "$uhome" = "$NOHOME" ]; then 248 _home='-d "$uhome"' 249 else 250 _home='-m -d "$uhome"' 251 fi 252 elif [ -n "$Dflag" -a -n "$uhome" ]; then 253 _home='-d "$uhome"' 254 fi 255 case $passwdtype in 256 no) 257 _passwdmethod="-w no" 258 _passwd="-h -" 259 ;; 260 yes) 261 # Note on processing the password: The outer double quotes 262 # make literal everything except ` and \ and $. 263 # The outer single quotes make literal ` and $. 264 # We can ensure the \ isn't treated specially by specifying 265 # the -r switch to the read command used to obtain the input. 266 # 267 _passwdmethod="-w yes" 268 _passwd="-h 0" 269 _upasswd='echo "$upass" |' 270 ;; 271 none) 272 _passwdmethod="-w none" 273 ;; 274 random) 275 _passwdmethod="-w random" 276 ;; 277 esac 278 279 _pwcmd="$_upasswd ${PWCMD} useradd $_uid $_name $_group $_grouplist $_comment" 280 _pwcmd="$_pwcmd $_shell $_class $_home $_dotdir $_passwdmethod $_passwd" 281 _pwcmd="$_pwcmd $_expire $_pwexpire" 282 283 if ! _output=`eval $_pwcmd` ; then 284 err "There was an error adding user ($username)." 285 return 1 286 else 287 info "Successfully added ($username) to the user database." 288 if [ "random" = "$passwdtype" ]; then 289 randompass="$_output" 290 info "Password for ($username) is: $randompass" 291 fi 292 fi 293 294 if [ -n "$disableflag" ]; then 295 if ${PWCMD} lock $username ; then 296 info "Account ($username) is locked." 297 else 298 info "Account ($username) could NOT be locked." 299 fi 300 fi 301 302 _line= 303 _owner= 304 _perms= 305 if [ -n "$msgflag" ]; then 306 [ -r "$msgfile" ] && { 307 # We're evaluating the contents of an external file. 308 # Let's not open ourselves up for attack. _perms will 309 # be empty if it's writeable only by the owner. _owner 310 # will *NOT* be empty if the file is owned by root. 311 # 312 _dir="`dirname $msgfile`" 313 _file="`basename $msgfile`" 314 _perms=`/usr/bin/find $_dir -name $_file -perm +07022 -prune` 315 _owner=`/usr/bin/find $_dir -name $_file -user 0 -prune` 316 if [ -z "$_owner" -o -n "$_perms" ]; then 317 err "The message file ($msgfile) may be writeable only by root." 318 return 1 319 fi 320 cat "$msgfile" | 321 while read _line ; do 322 eval echo "$_line" 323 done | ${MAILCMD} -s"Welcome" ${username} 324 info "Sent welcome message to ($username)." 325 } 326 fi 327} 328 329# get_user 330# Reads username of the account from standard input or from a global 331# variable containing an account line from a file. The username is 332# required. If this is an interactive session it will prompt in 333# a loop until a username is entered. If it is batch processing from 334# a file it will output an error message and return to the caller. 335# 336get_user() { 337 _input= 338 339 # No need to take down user names if this is a configuration saving run. 340 [ -n "$configflag" ] && return 341 342 while : ; do 343 if [ -z "$fflag" ]; then 344 echo -n "Username: " 345 read _input 346 else 347 _input="`echo "$fileline" | cut -f1 -d:`" 348 fi 349 350 # There *must* be a username, and it must not exist. If 351 # this is an interactive session give the user an 352 # opportunity to retry. 353 # 354 if [ -z "$_input" ]; then 355 err "You must enter a username!" 356 [ -z "$fflag" ] && continue 357 fi 358 ${PWCMD} usershow $_input > /dev/null 2>&1 359 if [ "$?" -eq 0 ]; then 360 err "User exists!" 361 [ -z "$fflag" ] && continue 362 fi 363 break 364 done 365 username="$_input" 366} 367 368# get_gecos 369# Reads extra information about the user. Can be used both in interactive 370# and batch (from file) mode. 371# 372get_gecos() { 373 _input= 374 375 # No need to take down additional user information for a configuration run. 376 [ -n "$configflag" ] && return 377 378 if [ -z "$fflag" ]; then 379 echo -n "Full name: " 380 read _input 381 else 382 _input="`echo "$fileline" | cut -f7 -d:`" 383 fi 384 ugecos="$_input" 385} 386 387# get_shell 388# Get the account's shell. Works in interactive and batch mode. It 389# accepts either the base name of the shell or the full path. 390# If an invalid shell is entered it will simply use the default shell. 391# 392get_shell() { 393 _input= 394 _fullpath= 395 ushell="$defaultshell" 396 397 # Make sure the current value of the shell is a valid one 398 if [ -z "$Sflag" ]; then 399 if ! shell_exists $ushell ; then 400 info "Using default shell ${defaultshell}." 401 ushell="$defaultshell" 402 fi 403 fi 404 405 if [ -z "$fflag" ]; then 406 echo -n "Shell ($shells) [`basename $ushell`]: " 407 read _input 408 else 409 _input="`echo "$fileline" | cut -f9 -d:`" 410 fi 411 if [ -n "$_input" ]; then 412 if [ -n "$Sflag" ]; then 413 ushell="$_input" 414 else 415 _fullpath=`fullpath_from_shell $_input` 416 if [ -n "$_fullpath" ]; then 417 ushell="$_fullpath" 418 else 419 err "Invalid shell ($_input) for user $username." 420 info "Using default shell ${defaultshell}." 421 ushell="$defaultshell" 422 fi 423 fi 424 fi 425} 426 427# get_homedir 428# Reads the account's home directory. Used both with interactive input 429# and batch input. 430# 431get_homedir() { 432 _input= 433 if [ -z "$fflag" ]; then 434 echo -n "Home directory [${homeprefix}/${username}]: " 435 read _input 436 else 437 _input="`echo "$fileline" | cut -f8 -d:`" 438 fi 439 440 if [ -n "$_input" ]; then 441 uhome="$_input" 442 # if this is a configuration run, then user input is the home 443 # directory prefix. Otherwise it is understood to 444 # be $prefix/$user 445 # 446 [ -z "$configflag" ] && homeprefix="`dirname $uhome`" || homeprefix="$uhome" 447 else 448 uhome="${homeprefix}/${username}" 449 fi 450} 451 452# get_uid 453# Reads a numeric userid in an interactive or batch session. Automatically 454# allocates one if it is not specified. 455# 456get_uid() { 457 uuid=${uidstart} 458 _input= 459 _prompt= 460 461 if [ -n "$uuid" ]; then 462 _prompt="Uid [$uuid]: " 463 else 464 _prompt="Uid (Leave empty for default): " 465 fi 466 if [ -z "$fflag" ]; then 467 echo -n "$_prompt" 468 read _input 469 else 470 _input="`echo "$fileline" | cut -f2 -d:`" 471 fi 472 473 [ -n "$_input" ] && uuid=$_input 474 uuid=`get_nextuid $uuid` 475 uidstart=$uuid 476} 477 478# get_class 479# Reads login class of account. Can be used in interactive or batch mode. 480# 481get_class() { 482 uclass="$defaultclass" 483 _input= 484 _class=${uclass:-"default"} 485 486 if [ -z "$fflag" ]; then 487 echo -n "Login class [$_class]: " 488 read _input 489 else 490 _input="`echo "$fileline" | cut -f4 -d:`" 491 fi 492 493 [ -n "$_input" ] && uclass="$_input" 494} 495 496# get_logingroup 497# Reads user's login group. Can be used in both interactive and batch 498# modes. The specified value can be a group name or its numeric id. 499# This routine leaves the field blank if nothing is provided and 500# a default login group has not been set. The pw(8) command 501# will then provide a login group with the same name as the username. 502# 503get_logingroup() { 504 ulogingroup="$defaultLgroup" 505 _input= 506 507 if [ -z "$fflag" ]; then 508 echo -n "Login group [${ulogingroup:-$username}]: " 509 read _input 510 else 511 _input="`echo "$fileline" | cut -f3 -d:`" 512 fi 513 514 # Pw(8) will use the username as login group if it's left empty 515 [ -n "$_input" ] && ulogingroup="$_input" 516} 517 518# get_groups 519# Read additional groups for the user. It can be used in both interactive 520# and batch modes. 521# 522get_groups() { 523 ugroups="$defaultgroups" 524 _input= 525 _group=${ulogingroup:-"${username}"} 526 527 if [ -z "$configflag" ]; then 528 [ -z "$fflag" ] && echo -n "Login group is $_group. Invite $username" 529 [ -z "$fflag" ] && echo -n " into other groups? [$ugroups]: " 530 else 531 [ -z "$fflag" ] && echo -n "Enter additional groups [$ugroups]: " 532 fi 533 read _input 534 535 [ -n "$_input" ] && ugroups="$_input" 536} 537 538# get_expire_dates 539# Read expiry information for the account and also for the password. This 540# routine is used only from batch processing mode. 541# 542get_expire_dates() { 543 upwexpire="`echo "$fileline" | cut -f5 -d:`" 544 uexpire="`echo "$fileline" | cut -f6 -d:`" 545} 546 547# get_password 548# Read the password in batch processing mode. The password field matters 549# only when the password type is "yes" or "random". If the field is empty and the 550# password type is "yes", then it assumes the account has an empty passsword 551# and changes the password type accordingly. If the password type is "random" 552# and the password field is NOT empty, then it assumes the account will NOT 553# have a random password and set passwdtype to "yes." 554# 555get_password() { 556 # We may temporarily change a password type. Make sure it's changed 557 # back to whatever it was before we process the next account. 558 # 559 [ -n "$savedpwtype" ] && { 560 passwdtype=$savedpwtype 561 savedpwtype= 562 } 563 564 # There may be a ':' in the password 565 upass=${fileline#*:*:*:*:*:*:*:*:*:} 566 567 if [ -z "$upass" ]; then 568 case $passwdtype in 569 yes) 570 # if it's empty, assume an empty password 571 passwdtype=none 572 savedpwtype=yes 573 ;; 574 esac 575 else 576 case $passwdtype in 577 random) 578 passwdtype=yes 579 savedpwtype=random 580 ;; 581 esac 582 fi 583} 584 585# input_from_file 586# Reads a line of account information from standard input and 587# adds it to the user database. 588# 589input_from_file() { 590 _field= 591 592 while read -r fileline ; do 593 case "$fileline" in 594 \#*|'') 595 ;; 596 *) 597 get_user || continue 598 get_gecos 599 get_uid 600 get_logingroup 601 get_class 602 get_shell 603 get_homedir 604 get_password 605 get_expire_dates 606 607 add_user 608 ;; 609 esac 610 done 611} 612 613# input_interactive 614# Prompts for user information interactively, and commits to 615# the user database. 616# 617input_interactive() { 618 619 _disable= 620 _pass= 621 _passconfirm= 622 _random="no" 623 _emptypass="no" 624 _usepass="yes" 625 _logingroup_ok="no" 626 _groups_ok="no" 627 case $passwdtype in 628 none) 629 _emptypass="yes" 630 _usepass="yes" 631 ;; 632 no) 633 _usepass="no" 634 ;; 635 random) 636 _random="yes" 637 ;; 638 esac 639 640 get_user 641 get_gecos 642 get_uid 643 644 # The case where group = user is handled elsewhere, so 645 # validate any other groups the user is invited to. 646 until [ "$_logingroup_ok" = yes ]; do 647 get_logingroup 648 _logingroup_ok=yes 649 if [ -n "$ulogingroup" -a "$username" != "$ulogingroup" ]; then 650 if ! ${PWCMD} show group $ulogingroup > /dev/null 2>&1; then 651 echo "Group $ulogingroup does not exist!" 652 _logingroup_ok=no 653 fi 654 fi 655 done 656 until [ "$_groups_ok" = yes ]; do 657 get_groups 658 _groups_ok=yes 659 for i in $ugroups; do 660 if [ "$username" != "$i" ]; then 661 if ! ${PWCMD} show group $i > /dev/null 2>&1; then 662 echo "Group $i does not exist!" 663 _groups_ok=no 664 fi 665 fi 666 done 667 done 668 669 get_class 670 get_shell 671 get_homedir 672 673 while : ; do 674 echo -n "Use password-based authentication? [$_usepass]: " 675 read _input 676 [ -z "$_input" ] && _input=$_usepass 677 case $_input in 678 [Nn][Oo]|[Nn]) 679 passwdtype="no" 680 ;; 681 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 682 while : ; do 683 echo -n "Use an empty password? (yes/no) [$_emptypass]: " 684 read _input 685 [ -n "$_input" ] && _emptypass=$_input 686 case $_emptypass in 687 [Nn][Oo]|[Nn]) 688 echo -n "Use a random password? (yes/no) [$_random]: " 689 read _input 690 [ -n "$_input" ] && _random="$_input" 691 case $_random in 692 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 693 passwdtype="random" 694 break 695 ;; 696 esac 697 passwdtype="yes" 698 [ -n "$configflag" ] && break 699 trap 'stty echo; exit' 0 1 2 3 15 700 stty -echo 701 echo -n "Enter password: " 702 read -r upass 703 echo'' 704 echo -n "Enter password again: " 705 read -r _passconfirm 706 echo '' 707 stty echo 708 # if user entered a blank password 709 # explicitly ask again. 710 [ -z "$upass" -a -z "$_passconfirm" ] \ 711 && continue 712 ;; 713 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 714 passwdtype="none" 715 break; 716 ;; 717 *) 718 # invalid answer; repeat the loop 719 continue 720 ;; 721 esac 722 if [ "$upass" != "$_passconfirm" ]; then 723 echo "Passwords did not match!" 724 continue 725 fi 726 break 727 done 728 ;; 729 *) 730 # invalid answer; repeat loop 731 continue 732 ;; 733 esac 734 break; 735 done 736 _disable=${disableflag:-"no"} 737 while : ; do 738 echo -n "Lock out the account after creation? [$_disable]: " 739 read _input 740 [ -z "$_input" ] && _input=$_disable 741 case $_input in 742 [Nn][Oo]|[Nn]) 743 disableflag= 744 ;; 745 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 746 disableflag=yes 747 ;; 748 *) 749 # invalid answer; repeat loop 750 continue 751 ;; 752 esac 753 break 754 done 755 756 # Display the information we have so far and prompt to 757 # commit it. 758 # 759 _disable=${disableflag:-"no"} 760 [ -z "$configflag" ] && printf "%-10s : %s\n" Username $username 761 case $passwdtype in 762 yes) 763 _pass='*****' 764 ;; 765 no) 766 _pass='<disabled>' 767 ;; 768 none) 769 _pass='<blank>' 770 ;; 771 random) 772 _pass='<random>' 773 ;; 774 esac 775 [ -z "$configflag" ] && printf "%-10s : %s\n" "Password" "$_pass" 776 [ -n "$configflag" ] && printf "%-10s : %s\n" "Pass Type" "$passwdtype" 777 [ -z "$configflag" ] && printf "%-10s : %s\n" "Full Name" "$ugecos" 778 [ -z "$configflag" ] && printf "%-10s : %s\n" "Uid" "$uuid" 779 printf "%-10s : %s\n" "Class" "$uclass" 780 printf "%-10s : %s %s\n" "Groups" "${ulogingroup:-$username}" "$ugroups" 781 printf "%-10s : %s\n" "Home" "$uhome" 782 printf "%-10s : %s\n" "Shell" "$ushell" 783 printf "%-10s : %s\n" "Locked" "$_disable" 784 while : ; do 785 echo -n "OK? (yes/no): " 786 read _input 787 case $_input in 788 [Nn][Oo]|[Nn]) 789 return 1 790 ;; 791 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 792 add_user 793 ;; 794 *) 795 continue 796 ;; 797 esac 798 break 799 done 800 return 0 801} 802 803#### END SUBROUTINE DEFINITION #### 804 805THISCMD=`/usr/bin/basename $0` 806DEFAULTSHELL=/bin/sh 807ADDUSERCONF="${ADDUSERCONF:-/etc/adduser.conf}" 808PWCMD="${PWCMD:-/usr/sbin/pw}" 809MAILCMD="${MAILCMD:-mail}" 810ETCSHELLS="${ETCSHELLS:-/etc/shells}" 811NOHOME="/nonexistent" 812NOLOGIN="nologin" 813NOLOGIN_PATH="/usr/sbin/nologin" 814GREPCMD="/usr/bin/grep" 815DATECMD="/bin/date" 816 817# Set default values 818# 819username= 820uuid= 821uidstart= 822ugecos= 823ulogingroup= 824uclass= 825uhome= 826upass= 827ushell= 828udotdir=/usr/share/skel 829ugroups= 830uexpire= 831upwexpire= 832shells="`valid_shells`" 833passwdtype="yes" 834msgfile=/etc/adduser.msg 835msgflag= 836quietflag= 837configflag= 838fflag= 839infile= 840disableflag= 841Dflag= 842Sflag= 843readconfig="yes" 844homeprefix="/home" 845randompass= 846fileline= 847savedpwtype= 848defaultclass= 849defaultLgroup= 850defaultgroups= 851defaultshell="${DEFAULTSHELL}" 852 853# Make sure the user running this program is root. This isn't a security 854# measure as much as it is a usefull method of reminding the user to 855# 'su -' before he/she wastes time entering data that won't be saved. 856# 857procowner=${procowner:-`/usr/bin/id -u`} 858if [ "$procowner" != "0" ]; then 859 err 'you must be the super-user (uid 0) to use this utility.' 860 exit 1 861fi 862 863# Overide from our conf file 864# Quickly go through the commandline line to see if we should read 865# from our configuration file. The actual parsing of the commandline 866# arguments happens after we read in our configuration file (commandline 867# should override configuration file). 868# 869for _i in $* ; do 870 if [ "$_i" = "-N" ]; then 871 readconfig= 872 break; 873 fi 874done 875if [ -n "$readconfig" ]; then 876 # On a long-lived system, the first time this script is run it 877 # will barf upon reading the configuration file for its perl predecessor. 878 if ( . ${ADDUSERCONF} > /dev/null 2>&1 ); then 879 [ -r ${ADDUSERCONF} ] && . ${ADDUSERCONF} > /dev/null 2>&1 880 fi 881fi 882 883# Proccess command-line options 884# 885for _switch ; do 886 case $_switch in 887 -L) 888 defaultclass="$2" 889 shift; shift 890 ;; 891 -C) 892 configflag=yes 893 shift 894 ;; 895 -D) 896 Dflag=yes 897 shift 898 ;; 899 -E) 900 disableflag=yes 901 shift 902 ;; 903 -k) 904 udotdir="$2" 905 shift; shift 906 ;; 907 -f) 908 [ "$2" != "-" ] && infile="$2" 909 fflag=yes 910 shift; shift 911 ;; 912 -g) 913 defaultLgroup="$2" 914 shift; shift 915 ;; 916 -G) 917 defaultgroups="$2" 918 shift; shift 919 ;; 920 -h) 921 show_usage 922 exit 0 923 ;; 924 -d) 925 homeprefix="$2" 926 shift; shift 927 ;; 928 -m) 929 case "$2" in 930 [Nn][Oo]) 931 msgflag= 932 ;; 933 *) 934 msgflag=yes 935 msgfile="$2" 936 ;; 937 esac 938 shift; shift 939 ;; 940 -N) 941 readconfig= 942 shift 943 ;; 944 -w) 945 case "$2" in 946 no|none|random|yes) 947 passwdtype=$2 948 ;; 949 *) 950 show_usage 951 exit 1 952 ;; 953 esac 954 shift; shift 955 ;; 956 -q) 957 quietflag=yes 958 shift 959 ;; 960 -s) 961 defaultshell="`fullpath_from_shell $2`" 962 shift; shift 963 ;; 964 -S) 965 Sflag=yes 966 shift 967 ;; 968 -u) 969 uidstart=$2 970 shift; shift 971 ;; 972 esac 973done 974 975# If the -f switch was used, get input from a file. Otherwise, 976# this is an interactive session. 977# 978if [ -n "$fflag" ]; then 979 if [ -z "$infile" ]; then 980 input_from_file 981 elif [ -n "$infile" ]; then 982 if [ -r "$infile" ]; then 983 input_from_file < $infile 984 else 985 err "File ($infile) is unreadable or does not exist." 986 fi 987 fi 988else 989 input_interactive 990 while : ; do 991 if [ -z "$configflag" ]; then 992 echo -n "Add another user? (yes/no): " 993 else 994 echo -n "Re-edit the default configuration? (yes/no): " 995 fi 996 read _input 997 case $_input in 998 [Yy][Ee][Ss]|[Yy][Ee]|[Yy]) 999 uidstart=`get_nextuid $uidstart` 1000 input_interactive 1001 continue 1002 ;; 1003 [Nn][Oo]|[Nn]) 1004 echo "Goodbye!" 1005 ;; 1006 *) 1007 continue 1008 ;; 1009 esac 1010 break 1011 done 1012fi 1013