1#!/bin/ksh93 -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22# Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23# Use is subject to license terms. 24# 25# This script is used to setup the Kerberos client by 26# supplying information about the Kerberos realm and kdc. 27# 28# The kerberos configuration file (/etc/krb5/krb5.conf) would 29# be generated and local host's keytab file setup. The script 30# can also optionally setup the system to do kerberized nfs and 31# bringover a master krb5.conf copy from a specified location. 32 33function cleanup { 34 integer ret=$1 35 36 kdestroy -q 1> $TMP_FILE 2>&1 37 rm -r $TMPDIR > /dev/null 2>&1 38 39 exit $ret 40} 41function exiting { 42 43 printf "\n$(gettext "Exiting setup, nothing changed").\n\n" 44 45 cleanup $1 46} 47 48function error_message { 49 50 printf -- "---------------------------------------------------\n" 51 printf "$(gettext "Setup FAILED").\n\n" 52 53 cleanup 1 54} 55 56function check_bin { 57 58 typeset bin=$1 59 60 if [[ ! -x $bin ]]; then 61 printf "$(gettext "Could not access/execute %s").\n" $bin 62 error_message 63 fi 64} 65 66function cannot_create { 67 typeset filename="$1" 68 typeset stat="$2" 69 70 if [[ $stat -ne 0 ]]; then 71 printf "\n$(gettext "Can not create/edit %s, exiting").\n" $filename >&2 72 error_message 73 fi 74} 75 76function update_pam_conf { 77 typeset PAM TPAM service 78 79 PAM=/etc/pam.conf 80 81 TPAM=$(mktemp -q -t kclient-pamconf.XXXXXX) 82 if [[ -z $TPAM ]]; then 83 printf "\n$(gettext "Can not create temporary file, exiting").\n" >&2 84 error_message 85 fi 86 87 cp $PAM $TPAM >/dev/null 2>&1 88 89 printf "$(gettext "Configuring %s").\n\n" $PAM 90 91 for service in $SVCs; do 92 svc=${service%:*} 93 auth_type=${service#*:} 94 if egrep -s "^$svc[ ][ ]*auth.*pam_krb5*" $TPAM; then 95 printf "$(gettext "The %s service is already configured for pam_krb5, please merge this service in %s").\n\n" $svc $PAM >&2 96 continue 97 else 98 exec 3>>$TPAM 99 printf "\n$svc\tauth include\t\tpam_krb5_$auth_type\n" 1>&3 100 fi 101 done 102 103 cp $TPAM $PAM > /dev/null 2>&1 104 105 rm $TPAM > /dev/null 2>&1 106} 107 108function modify_nfssec_conf { 109 typeset NFSSEC_FILE="/etc/nfssec.conf" 110 111 if [[ -r $NFSSEC_FILE ]]; then 112 cat $NFSSEC_FILE > $NFSSEC_FILE.sav 113 cannot_create $NFSSEC_FILE.sav $? 114 fi 115 116 cat $NFSSEC_FILE > $TMP_FILE 117 cannot_create $TMP_FILE $? 118 119 if grep -s "#krb5" $NFSSEC_FILE > /dev/null 2>&1; then 120 sed "s%^#krb5%krb5%" $TMP_FILE >$NFSSEC_FILE 121 cannot_create $NFSSEC_FILE $? 122 fi 123} 124 125function call_kadmin { 126 typeset svc="$1" 127 typeset bool1 bool2 bool3 bool4 128 typeset service_princ getprincsubcommand anksubcommand ktaddsubcommand 129 typeset ktremsubcommand 130 131 for listentry in $fqdnlist; do 132 133 # Reset conditional vars to 1 134 bool1=1; bool2=1; bool3=1; bool4=1 135 136 service_princ=$(echo "${svc}/${listentry}") 137 getprincsubcommand="getprinc $service_princ" 138 anksubcommand="addprinc -randkey $service_princ" 139 ktaddsubcommand="ktadd $service_princ" 140 ktremsubcommand="ktrem $service_princ all" 141 142 kadmin -c $KRB5CCNAME -q "$getprincsubcommand" 1>$TMP_FILE 2>&1 143 144 egrep -s "$(gettext "get_principal: Principal does not exist")" $TMP_FILE 145 bool1=$? 146 egrep -s "$(gettext "get_principal: Operation requires ``get")" $TMP_FILE 147 bool2=$? 148 149 if [[ $bool1 -eq 0 || $bool2 -eq 0 ]]; then 150 kadmin -c $KRB5CCNAME -q "$anksubcommand" 1>$TMP_FILE 2>&1 151 152 egrep -s "$(gettext "add_principal: Principal or policy already exists while creating \"$service_princ@$realm\".")" $TMP_FILE 153 bool3=$? 154 155 egrep -s "$(gettext "Principal \"$service_princ@$realm\" created.")" $TMP_FILE 156 bool4=$? 157 158 if [[ $bool3 -eq 0 || $bool4 -eq 0 ]]; then 159 printf "$(gettext "%s entry ADDED to KDC database").\n" $service_princ 160 else 161 cat $TMP_FILE; 162 printf "\n$(gettext "kadmin: add_principal of %s failed, exiting").\n" $service_princ >&2 163 error_message 164 fi 165 else 166 printf "$(gettext "%s entry already exists in KDC database").\n" $service_princ >&2 167 fi 168 169 klist -k 1>$TMP_FILE 2>&1 170 egrep -s "$service_princ@$realm" $TMP_FILE 171 if [[ $? -eq 0 ]]; then 172 printf "$(gettext "%s entry already present in keytab").\n" $service_princ >&2 173 # Don't care is this succeeds or not, just need to replace old 174 # entries as it is assummed that the client is reinitialized 175 kadmin -c $KRB5CCNAME -q "$ktremsubcommand" 1>$TMP_FILE 2>&1 176 fi 177 178 kadmin -c $KRB5CCNAME -q "$ktaddsubcommand" 1>$TMP_FILE 2>&1 179 egrep -s "$(gettext "added to keytab WRFILE:$KRB5_KEYTAB_FILE.")" $TMP_FILE 180 if [[ $? -ne 0 ]]; then 181 cat $TMP_FILE; 182 printf "\n$(gettext "kadmin: ktadd of %s failed, exiting").\n" $service_princ >&2 183 error_message 184 else 185 printf "$(gettext "%s entry ADDED to keytab").\n" $service_princ 186 fi 187 188 done 189} 190 191function writeup_krb5_conf { 192 typeset dh 193 194 printf "\n$(gettext "Setting up %s").\n\n" $KRB5_CONFIG_FILE 195 196 exec 3>$KRB5_CONFIG 197 if [[ $? -ne 0 ]]; then 198 printf "\n$(gettext "Can not write to %s, exiting").\n" $KRB5_CONFIG 199 error_message 200 fi 201 202 printf "[libdefaults]\n" 1>&3 203 if [[ $no_keytab == yes ]]; then 204 printf "\tverify_ap_req_nofail = false\n" 1>&3 205 fi 206 if [[ $dns_lookup == yes ]]; then 207 printf "\t$dnsarg = on\n" 1>&3 208 if [[ $dnsarg == dns_lookup_kdc ]]; then 209 printf "\tdefault_realm = $realm\n" 1>&3 210 printf "\n[domain_realm]\n" 1>&3 211 if [[ -n $fkdc_list ]]; then 212 for kdc in $fkdc_list; do 213 printf "\t$kdc = $realm\n" 1>&3 214 done 215 fi 216 printf "\t$FKDC = $realm\n" 1>&3 217 printf "\t$client_machine = $realm\n" 1>&3 218 if [[ -z $short_fqdn ]]; then 219 printf "\t.$domain = $realm\n\n" 1>&3 220 else 221 printf "\t.$short_fqdn = $realm\n\n" 1>&3 222 fi 223 if [[ -n $domain_list ]]; then 224 for dh in $domain_list; do 225 printf "\t$dh = $realm\n" 1>&3 226 done 227 fi 228 else 229 if [[ $dnsarg = dns_lookup_realm ]]; then 230 printf "\tdefault_realm = $realm\n" 1>&3 231 printf "\n[realms]\n" 1>&3 232 printf "\t$realm = {\n" 1>&3 233 if [[ -n $kdc_list ]]; then 234 for kdc in $kdc_list; do 235 printf "\t\tkdc = $kdc\n" 1>&3 236 done 237 else 238 printf "\t\tkdc = $KDC\n" 1>&3 239 fi 240 printf "\t\tadmin_server = $KDC\n" 1>&3 241 if [[ $non_solaris == yes ]]; then 242 printf "\n\t\tkpasswd_protocol = SET_CHANGE\n" 1>&3 243 fi 244 printf "\t}\n\n" 1>&3 245 else 246 printf "\tdefault_realm = $realm\n\n" 1>&3 247 fi 248 fi 249 else 250 printf "\tdefault_realm = $realm\n\n" 1>&3 251 252 printf "[realms]\n" 1>&3 253 printf "\t$realm = {\n" 1>&3 254 if [[ -n $kdc_list ]]; then 255 for kdc in $kdc_list; do 256 printf "\t\tkdc = $kdc\n" 1>&3 257 done 258 else 259 printf "\t\tkdc = $KDC\n" 1>&3 260 fi 261 printf "\t\tadmin_server = $KDC\n" 1>&3 262 if [[ $non_solaris == yes ]]; then 263 printf "\n\t\tkpasswd_protocol = SET_CHANGE\n" 1>&3 264 fi 265 printf "\t}\n\n" 1>&3 266 267 printf "[domain_realm]\n" 1>&3 268 if [[ -n $fkdc_list ]]; then 269 for kdc in $fkdc_list; do 270 printf "\t$kdc = $realm\n" 1>&3 271 done 272 fi 273 printf "\t$FKDC = $realm\n" 1>&3 274 printf "\t$client_machine = $realm\n" 1>&3 275 if [[ -z $short_fqdn ]]; then 276 printf "\t.$domain = $realm\n\n" 1>&3 277 else 278 printf "\t.$short_fqdn = $realm\n\n" 1>&3 279 fi 280 if [[ -n $domain_list ]]; then 281 for dh in $domain_list; do 282 printf "\t$dh = $realm\n" 1>&3 283 done 284 fi 285 fi 286 287 printf "[logging]\n" 1>&3 288 printf "\tdefault = FILE:/var/krb5/kdc.log\n" 1>&3 289 printf "\tkdc = FILE:/var/krb5/kdc.log\n" 1>&3 290 printf "\tkdc_rotate = {\n\t\tperiod = 1d\n\t\tversions = 10\n\t}\n\n" 1>&3 291 292 printf "[appdefaults]\n" 1>&3 293 printf "\tkinit = {\n\t\trenewable = true\n\t\tforwardable = true\n" 1>&3 294 if [[ $no_keytab == yes ]]; then 295 printf "\t\tno_addresses = true\n" 1>&3 296 fi 297 printf "\t}\n" 1>&3 298} 299 300function ask { 301 typeset question=$1 302 typeset default_answer=$2 303 304 if [[ -z $default_answer ]]; then 305 printf "$question :" 306 else 307 printf "$question [$default_answer]: " 308 fi 309 read answer 310 test -z "$answer" && answer="$default_answer" 311} 312 313function yesno { 314 typeset question="$1" 315 316 answer= 317 yn=`printf "$(gettext "y/n")"` 318 y=`printf "$(gettext "y")"` 319 n=`printf "$(gettext "n")"` 320 yes=`printf "$(gettext "yes")"` 321 no=`printf "$(gettext "no")"` 322 323 while [[ -z $answer ]]; do 324 ask "$question" $yn 325 case $answer in 326 $y|$yes) answer=yes;; 327 $n|$no) answer=no;; 328 *) answer=;; 329 esac 330 done 331} 332 333function query { 334 yesno "$*" 335 336 if [[ $answer == no ]]; then 337 printf "\t$(gettext "No action performed").\n" 338 fi 339} 340 341 342function read_profile { 343 typeset param value 344 typeset file="$1" 345 346 if [[ ! -d $file && -r $file ]]; then 347 while read param value 348 do 349 case $param in 350 REALM) if [[ -z $realm ]]; then 351 realm="$value" 352 checkval="REALM"; check_value $realm 353 fi 354 ;; 355 KDC) if [[ -z $KDC ]]; then 356 KDC="$value" 357 checkval="KDC"; check_value $KDC 358 fi 359 ;; 360 ADMIN) if [[ -z $ADMIN_PRINC ]]; then 361 ADMIN_PRINC="$value" 362 checkval="ADMIN_PRINC" 363 check_value $ADMIN_PRINC 364 fi 365 ;; 366 FILEPATH) if [[ -z $filepath ]]; then 367 filepath="$value" 368 fi 369 ;; 370 NFS) if [[ -z $add_nfs ]]; then 371 if [[ $value == 1 ]]; then 372 add_nfs=yes 373 else 374 add_nfs=no 375 fi 376 fi 377 ;; 378 NOKEY) if [[ -z $no_keytab ]]; then 379 if [[ $value == 1 ]]; then 380 no_keytab=yes 381 else 382 no_keytab=no 383 fi 384 fi 385 ;; 386 NOSOL) if [[ -z $non_solaris ]]; then 387 if [[ $value == 1 ]]; then 388 non_solaris=yes 389 no_keytab=yes 390 else 391 non_solaris=no 392 fi 393 fi 394 ;; 395 LHN) if [[ -z $logical_hn ]]; then 396 logical_hn="$value" 397 checkval="LOGICAL_HOSTNAME" 398 check_value $logical_hn 399 fi 400 ;; 401 DNSLOOKUP) if [[ -z $dnsarg ]]; then 402 dnsarg="$value" 403 checkval="DNS_OPTIONS" 404 check_value $dnsarg 405 fi 406 ;; 407 FQDN) if [[ -z $fqdnlist ]]; then 408 fqdnlist="$value" 409 checkval="FQDN" 410 check_value $fqdnlist 411 verify_fqdnlist "$fqdnlist" 412 fi 413 ;; 414 MSAD) if [[ -z $msad ]]; then 415 if [[ $value == 1 ]]; then 416 msad=yes 417 non_solaris=yes 418 else 419 msad=no 420 fi 421 fi 422 ;; 423 esac 424 done <$file 425 else 426 printf "\n$(gettext "The kclient profile \`%s' is not valid, exiting").\n" $file >&2 427 error_message 428 fi 429} 430 431function ping_check { 432 typeset machine="$1" 433 typeset string="$2" 434 435 if ping $machine 2 > /dev/null 2>&1; then 436 : 437 else 438 printf "\n$(gettext "%s %s is unreachable, exiting").\n" $string $machine >&2 439 error_message 440 fi 441 442 # Output timesync warning if not using a profile, i.e. in 443 # interactive mode. 444 if [[ -z $profile && $string == KDC ]]; then 445 # It's difficult to sync up time with KDC esp. if in a 446 # zone so just print a warning about KDC time sync. 447 printf "\n$(gettext "Note, this system and the KDC's time must be within 5 minutes of each other for Kerberos to function").\n" >&2 448 printf "$(gettext "Both systems should run some form of time synchronization system like Network Time Protocol (NTP)").\n" >&2 449break 450 fi 451} 452 453function check_value { 454 typeset arg="$1" 455 456 if [[ -z $arg ]]; then 457 printf "\n$(gettext "No input obtained for %s, exiting").\n" $checkval >&2 458 error_message 459 else 460 echo "$arg" > $TMP_FILE 461 if egrep -s '[*$^#!]+' $TMP_FILE; then 462 printf "\n$(gettext "Invalid input obtained for %s, exiting").\n" $checkval >&2 463 error_message 464 fi 465 fi 466} 467 468function set_dns_value { 469 typeset -l arg="$1" 470 471 if [[ $arg == dns_lookup_kdc || $arg == dns_lookup_realm || $arg == dns_fallback ]]; then 472 dns_lookup=yes 473 else 474 if [[ $arg == none ]]; then 475 dns_lookup=no 476 else 477 printf "\n$(gettext "Invalid DNS lookup option, exiting").\n" >&2 478 error_message 479 fi 480 fi 481} 482 483function verify_kdcs { 484 typeset k_list="$1" 485 typeset -l kdc 486 typeset list fqhn f_list 487 488 kdc_list=$(echo "$k_list" | sed 's/,/ /g') 489 490 if [[ -z $k_list ]]; then 491 printf "\n$(gettext "At least one KDC should be listed").\n\n" >&2 492 usage 493 fi 494 495 for kdc in $k_list; do 496 if [[ $kdc != $KDC ]]; then 497 list="$list $kdc" 498 fkdc=`$KLOOKUP $kdc` 499 if ping $fkdc 2 > /dev/null; then 500 : 501 else 502 printf "\n$(gettext "%s %s is unreachable, no action performed").\n" "KDC" $fkdc >&2 503 fi 504 f_list="$f_list $fkdc" 505 fi 506 done 507 508 fkdc_list="$f_list" 509 kdc_list="$list" 510} 511 512function parse_service { 513 typeset service_list=$1 514 515 service_list=${service_list//,/ } 516 for service in $service_list; do 517 svc=${service%:} 518 auth_type=${service#:} 519 [[ -z $svc || -z $auth_type ]] && return 520 print -- $svc $auth_type 521 done 522} 523 524function verify_fqdnlist { 525 typeset list="$1" 526 typeset -l hostname 527 typeset -i count=1 528 typeset fqdnlist eachfqdn tmpvar fullhost 529 530 list=$(echo "$list" | tr -d " " | tr -d "\t") 531 hostname=$(uname -n | cut -d"." -f1) 532 fqdnlist=$client_machine 533 534 eachfqdn=$(echo "$list" | cut -d"," -f$count) 535 if [[ -z $eachfqdn ]]; then 536 printf "\n$(gettext "If the -f option is used, at least one FQDN should be listed").\n\n" >&2 537 usage 538 else 539 while [[ ! -z $eachfqdn ]]; do 540 tmpvar=$(echo "$eachfqdn" | cut -d"." -f1) 541 if [[ -z $tmpvar ]]; then 542 fullhost="$hostname$eachfqdn" 543 else 544 fullhost="$hostname.$eachfqdn" 545 fi 546 547 ping_check $fullhost $(gettext "System") 548 if [[ $fullhost == $client_machine ]]; then 549 : 550 else 551 fqdnlist="$fqdnlist $fullhost" 552 fi 553 554 if [[ $list == *,* ]]; then 555 ((count = count + 1)) 556 eachfqdn=$(echo "$list" | cut -d"," -f$count) 557 else 558 break 559 fi 560 done 561 fi 562} 563 564function setup_keytab { 565 typeset cname ask_fqdns current_release 566 567 # 568 # 1. kinit with ADMIN_PRINC 569 # 570 571 if [[ -z $ADMIN_PRINC ]]; then 572 printf "\n$(gettext "Enter the krb5 administrative principal to be used"): " 573 read ADMIN_PRINC 574 checkval="ADMIN_PRINC"; check_value $ADMIN_PRINC 575 fi 576 577 echo "$ADMIN_PRINC">$TMP_FILE 578 579 [[ -n $msad ]] && return 580 if egrep -s '\/admin' $TMP_FILE; then 581 # Already in "/admin" format, do nothing 582 : 583 else 584 if egrep -s '\/' $TMP_FILE; then 585 printf "\n$(gettext "Improper entry for krb5 admin principal, exiting").\n" >&2 586 error_message 587 else 588 ADMIN_PRINC=$(echo "$ADMIN_PRINC/admin") 589 fi 590 fi 591 592 printf "$(gettext "Obtaining TGT for %s") ...\n" $ADMIN_PRINC 593 594 cname=$(canon_resolve $KDC) 595 if [[ -n $cname ]]; then 596 kinit -S kadmin/$cname $ADMIN_PRINC 597 else 598 kinit -S kadmin/$FKDC $ADMIN_PRINC 599 fi 600 klist 1>$TMP_FILE 2>&1 601 if egrep -s "$(gettext "Valid starting")" $TMP_FILE && egrep -s "kadmin/$FKDC@$realm" $TMP_FILE; then 602 : 603 else 604 printf "\n$(gettext "kinit of %s failed, exiting").\n" $ADMIN_PRINC >&2 605 error_message 606 fi 607 608 # 609 # 2. Do we want to create and/or add service principal(s) for fqdn's 610 # other than the one listed in resolv.conf(4) ? 611 # 612 if [[ -z $options ]]; then 613 query "$(gettext "Do you have multiple DNS domains spanning the Kerberos realm") $realm ?" 614 ask_fqdns=$answer 615 if [[ $ask_fqdns == yes ]]; then 616 printf "$(gettext "Enter a comma-separated list of DNS domain names"): " 617 read fqdnlist 618 verify_fqdnlist "$fqdnlist" 619 else 620 fqdnlist=$client_machine 621 fi 622 else 623 if [[ -z $fqdnlist ]]; then 624 fqdnlist=$client_machine 625 fi 626 fi 627 628 if [[ $add_nfs == yes ]]; then 629 echo; call_kadmin nfs 630 fi 631 632 # Add the host entry to the keytab 633 echo; call_kadmin host 634 635} 636 637function setup_lhn { 638 typeset -l logical_hn 639 640 echo "$logical_hn" > $TMP_FILE 641 if egrep -s '[^.]\.[^.]+$' $TMP_FILE; then 642 # do nothing, logical_hn is in fqdn format 643 : 644 else 645 if egrep -s '\.+' $TMP_FILE; then 646 printf "\n$(gettext "Improper format of logical hostname, exiting").\n" >&2 647 error_message 648 else 649 # Attach fqdn to logical_hn, to get the Fully Qualified 650 # Host Name of the client requested 651 logical_hn=$(echo "$logical_hn.$fqdn") 652 fi 653 fi 654 655 client_machine=$logical_hn 656 657 ping_check $client_machine $(gettext "System") 658} 659 660function usage { 661 printf "\n$(gettext "Usage: kclient [ options ]")\n" >&2 662 printf "\t$(gettext "where options are any of the following")\n\n" >&2 663 printf "\t$(gettext "[ -D domain_list ] configure a client that has mul 664tiple mappings of doamin and/or hosts to the default realm")\n" >&2 665 printf "\t$(gettext "[ -K ] configure a client that does not have host/service keys")\n" >&2 666 printf "\t$(gettext "[ -R realm ] specifies the realm to use")\n" >&2 667 printf "\t$(gettext "[ -T kdc_vendor ] specifies which KDC vendor is the server")\n" >&2 668 printf "\t$(gettext "[ -a adminuser ] specifies the Kerberos administrator")\n" >&2 669 printf "\t$(gettext "[ -c filepath ] specifies the krb5.conf path used to configure this client")\n" >&2 670 printf "\t$(gettext "[ -d dnsarg ] specifies which information should be looked up in DNS (dns_lookup_kdc, dns_lookup_realm, and dns_fallback)")\n" >&2 671 printf "\t$(gettext "[ -f fqdn_list ] specifies which domains to configure host keys for this client")\n" >&2 672 printf "\t$(gettext "[ -h logicalhostname ] configure the logical host name for a client that is in a cluster")\n" >&2 673 printf "\t$(gettext "[ -k kdc_list ] specify multiple KDCs, if -m is not used the first KDC in the list is assumed to be the master. KDC host names are used verbatim.")\n" >&2 674 printf "\t$(gettext "[ -m master ] master KDC server host name")\n" >&2 675 printf "\t$(gettext "[ -n ] configure client to be an NFS client")\n" >&2 676 printf "\t$(gettext "[ -p profile ] specifies which profile file to use to configure this client")\n" >&2 677 printf "\t$(gettext "[ -s pam_list ] update the service for Kerberos authentication")\n" >&2 678 error_message 679} 680 681function discover_domain { 682 typeset dom DOMs 683 684 if [[ -z $realm ]]; then 685 set -A DOMs -- `$KLOOKUP _ldap._tcp.dc._msdcs S` 686 else 687 set -A DOMs -- `$KLOOKUP _ldap._tcp.dc._msdcs.$realm S` 688 fi 689 690 [[ -z ${DOMs[0]} ]] && return 1 691 692 dom=${DOMs[0]} 693 694 dom=${dom#*.} 695 dom=${dom% *} 696 697 domain=$dom 698 699 return 0 700} 701 702function check_nss_hosts_or_ipnodes_config { 703 typeset backend 704 705 for backend in $1 706 do 707 [[ $backend == dns ]] && return 0 708 done 709 return 1 710} 711 712function check_nss_conf { 713 typeset i j hosts_config 714 715 for i in hosts ipnodes 716 do 717 grep "^${i}:" /etc/nsswitch.conf|read j hosts_config 718 check_nss_hosts_or_ipnodes_config "$hosts_config" || return 1 719 done 720 721 return 0 722} 723 724function canon_resolve { 725 typeset name ip 726 727 name=`$KLOOKUP $1 C` 728 [[ -z $name ]] && name=`$KLOOKUP $1 A` 729 [[ -z $name ]] && return 730 731 ip=`$KLOOKUP $name I` 732 [[ -z $ip ]] && return 733 for i in $ip 734 do 735 if ping $i 2 > /dev/null 2>&1; then 736 break 737 else 738 i= 739 fi 740 done 741 742 cname=`$KLOOKUP $ip P` 743 [[ -z $cname ]] && return 744 745 print -- "$cname" 746} 747 748function rev_resolve { 749 typeset name ip 750 751 ip=`$KLOOKUP $1 I` 752 753 [[ -z $ip ]] && return 754 name=`$KLOOKUP $ip P` 755 [[ -z $name ]] && return 756 757 print -- $name 758} 759 760# Convert an AD-style domain DN to a DNS domainname 761function dn2dns { 762 typeset OIFS dname dn comp components 763 764 dn=$1 765 dname= 766 767 OIFS="$IFS" 768 IFS=, 769 set -A components -- $1 770 IFS="$OIFS" 771 772 for comp in "${components[@]}" 773 do 774 [[ "$comp" == [dD][cC]=* ]] || continue 775 dname="$dname.${comp#??=}" 776 done 777 778 print ${dname#.} 779} 780 781# Form a base DN from a DNS domainname and container 782function getBaseDN { 783 if [[ -n "$2" ]] 784 then 785 baseDN="CN=$1,$(dns2dn $2)" 786 else 787 baseDN="$(dns2dn $2)" 788 fi 789} 790 791# Convert a DNS domainname to an AD-style DN for that domain 792function dns2dn { 793 typeset OIFS dn labels 794 795 OIFS="$IFS" 796 IFS=. 797 set -A labels -- $1 798 IFS="$OIFS" 799 800 dn= 801 for label in "${labels[@]}" 802 do 803 dn="${dn},DC=$label" 804 done 805 806 print -- "${dn#,}" 807} 808 809function getSRVs { 810 typeset srv port 811 812 $KLOOKUP $1 S | while read srv port 813 do 814 if ping $srv 2 > /dev/null 2>&1; then 815 print -- $srv $port 816 fi 817 done 818} 819 820function getKDC { 821 typeset j 822 823 set -A KPWs -- $(getSRVs _kpasswd._tcp.$dom.) 824 kpasswd=${KPWs[0]} 825 826 if [[ -n $siteName ]] 827 then 828 set -A KDCs -- $(getSRVs _kerberos._tcp.$siteName._sites.$dom.) 829 kdc=${KDCs[0]} 830 [[ -n $kdc ]] && return 831 fi 832 833 # No site name 834 set -A KDCs -- $(getSRVs _kerberos._tcp.$dom.) 835 kdc=${KDCs[0]} 836 [[ -n $kdc ]] && return 837 838 # Default 839 set -A KDCs -- $DomainDnsZones 88 840 kdc=$ForestDnsZones 841} 842 843function getDC { 844 typeset j 845 846 if [[ -n $siteName ]] 847 then 848 set -A DCs -- $(getSRVs _ldap._tcp.$siteName._sites.dc._msdcs.$dom.) 849 dc=${DCs[0]} 850 [[ -n $dc ]] && return 851 fi 852 853 # No site name 854 set -A DCs -- $(getSRVs _ldap._tcp.dc._msdcs.$dom.) 855 dc=${DCs[0]} 856 [[ -n $dc ]] && return 857 858 # Default 859 set -A DCs -- $DomainDnsZones 389 860 dc=$DomainDnsZones 861} 862 863function write_ads_krb5conf { 864 printf "\n$(gettext "Setting up %s").\n\n" $KRB5_CONFIG_FILE 865 866 exec 3>$KRB5_CONFIG 867 if [[ $? -ne 0 ]]; then 868 printf "\n$(gettext "Can not write to %s, exiting").\n" $KRB5_CONFIG 869 error_message 870 fi 871 872 printf "[libdefaults]\n" 1>&3 873 printf "\tdefault_realm = $realm\n" 1>&3 874 printf "\n[realms]\n" 1>&3 875 printf "\t$realm = {\n" 1>&3 876 for i in ${KDCs[@]} 877 do 878 [[ $i == +([0-9]) ]] && continue 879 printf "\t\tkdc = $i\n" 1>&3 880 done 881 # Defining the same as admin_server. This would cause auth failures 882 # if this was different. 883 printf "\n\t\tkpasswd_server = $KDC\n" 1>&3 884 printf "\n\t\tadmin_server = $KDC\n" 1>&3 885 printf "\t\tkpasswd_protocol = SET_CHANGE\n\t}\n" 1>&3 886 printf "\n[domain_realm]\n" 1>&3 887 printf "\t.$dom = $realm\n\n" 1>&3 888 printf "[logging]\n" 1>&3 889 printf "\tdefault = FILE:/var/krb5/kdc.log\n" 1>&3 890 printf "\tkdc = FILE:/var/krb5/kdc.log\n" 1>&3 891 printf "\tkdc_rotate = {\n\t\tperiod = 1d\n\t\tversions = 10\n\t}\n\n" 1>&3 892 printf "[appdefaults]\n" 1>&3 893 printf "\tkinit = {\n\t\trenewable = true\n\t\tforwardable = true\n\t}\n" 1>&3 894} 895 896function getForestName { 897 ldapsearch -R -T -h $dc $ldap_args \ 898 -b "" -s base "" schemaNamingContext| \ 899 grep ^schemaNamingContext|read j schemaNamingContext 900 901 if [[ $? -ne 0 ]]; then 902 printf "$(gettext "Can't find forest").\n" 903 error_message 904 fi 905 schemaNamingContext=${schemaNamingContext#CN=Schema,CN=Configuration,} 906 907 [[ -z $schemaNamingContext ]] && return 1 908 909 forest= 910 while [[ -n $schemaNamingContext ]] 911 do 912 schemaNamingContext=${schemaNamingContext#DC=} 913 forest=${forest}.${schemaNamingContext%%,*} 914 [[ "$schemaNamingContext" = *,* ]] || break 915 schemaNamingContext=${schemaNamingContext#*,} 916 done 917 forest=${forest#.} 918} 919 920function getGC { 921 typeset j 922 923 [[ -n $gc ]] && return 0 924 925 if [[ -n $siteName ]] 926 then 927 set -A GCs -- $(getSRVs _ldap._tcp.$siteName._sites.gc._msdcs.$forest.) 928 gc=${GCs[0]} 929 [[ -n $gc ]] && return 930 fi 931 932 # No site name 933 set -A GCs -- $(getSRVs _ldap._tcp.gc._msdcs.$forest.) 934 gc=${GCs[0]} 935 [[ -n $gc ]] && return 936 937 # Default 938 set -A GCs -- $ForestDnsZones 3268 939 gc=$ForestDnsZones 940} 941 942function ipAddr2num { 943 typeset OIFS 944 typeset -i16 num byte 945 946 if [[ "$1" != +([0-9]).+([0-9]).+([0-9]).+([0-9]) ]] 947 then 948 print 0 949 return 0 950 fi 951 952 OIFS="$IFS" 953 IFS=. 954 set -- $1 955 IFS="$OIFS" 956 957 num=$((${1}<<24 | ${2}<<16 | ${3}<<8 | ${4})) 958 959 print -- $num 960} 961 962function num2ipAddr { 963 typeset -i16 num 964 typeset -i10 a b c d 965 966 num=$1 967 a=$((num>>24 )) 968 b=$((num>>16 & 16#ff)) 969 c=$((num>>8 & 16#ff)) 970 d=$((num & 16#ff)) 971 print -- $a.$b.$c.$d 972} 973 974function netmask2length { 975 typeset -i16 netmask 976 typeset -i len 977 978 netmask=$1 979 len=32 980 while [[ $((netmask % 2)) -eq 0 ]] 981 do 982 netmask=$((netmask>>1)) 983 len=$((len - 1)) 984 done 985 print $len 986} 987 988function getSubnets { 989 typeset -i16 addr netmask 990 typeset -i16 classa=16\#ff000000 991 992 ifconfig -a|while read line 993 do 994 addr=0 995 netmask=0 996 set -- $line 997 [[ $1 == inet ]] || continue 998 while [[ $# -gt 0 ]] 999 do 1000 case "$1" in 1001 inet) addr=$(ipAddr2num $2); shift;; 1002 netmask) eval netmask=16\#$2; shift;; 1003 *) :; 1004 esac 1005 shift 1006 done 1007 1008 [[ $addr -eq 0 || $netmask -eq 0 ]] && continue 1009 [[ $((addr & classa)) -eq 16\#7f000000 ]] && continue 1010 1011 print $(num2ipAddr $((addr & netmask)))/$(netmask2length $netmask) 1012 done 1013} 1014 1015function getSite { 1016 typeset subnet siteDN j ldapsrv subnet_dom 1017 1018 eval "[[ -n \"\$siteName\" ]]" && return 1019 for subnet in $(getSubnets) 1020 do 1021 ldapsearch -R -T -h $dc $ldap_args \ 1022 -p 3268 -b "" -s sub cn=$subnet dn |grep ^dn|read j subnetDN 1023 1024 [[ -z $subnetDN ]] && continue 1025 subnet_dom=$(dn2dns $subnetDN) 1026 ldapsrv=$(canon_resolve DomainDnsZones.$subnet_dom) 1027 [[ -z $ldapsrv ]] && continue 1028 ldapsearch -R -T -h $ldapsrv $ldap_args \ 1029 -b "$subnetDN" -s base "" siteObject \ 1030 |grep ^siteObject|read j siteDN 1031 1032 [[ -z $siteDN ]] && continue 1033 1034 eval siteName=${siteDN%%,*} 1035 eval siteName=\${siteName#CN=} 1036 return 1037 done 1038} 1039 1040function doKRB5config { 1041 [[ -f $KRB5_CONFIG_FILE ]] && \ 1042 cp $KRB5_CONFIG_FILE ${KRB5_CONFIG_FILE}-pre-kclient 1043 1044 [[ -f $KRB5_KEYTAB_FILE ]] && \ 1045 cp $KRB5_KEYTAB_FILE ${KRB5_KEYTAB_FILE}-pre-kclient 1046 1047 [[ -s $KRB5_CONFIG ]] && cp $KRB5_CONFIG $KRB5_CONFIG_FILE 1048 [[ -s $KRB5_CONFIG_FILE ]] && chmod 0644 $KRB5_CONFIG_FILE 1049 [[ -s $new_keytab ]] && cp $new_keytab $KRB5_KEYTAB_FILE 1050 [[ -s $KRB5_KEYTAB_FILE ]] && chmod 0600 $KRB5_KEYTAB_FILE 1051} 1052 1053function addDNSRR { 1054 smbFMRI=svc:/network/smb/server:default 1055 ddnsProp=smbd/ddns_enable 1056 enProp=general/enabled 1057 1058 enabled=`svcprop -p $enProp $smbFMRI` 1059 ddns_enable=`svcprop -p $ddnsProp $smbFMRI` 1060 1061 if [[ $enabled == true && $ddns_enable != true ]]; then 1062 printf "$(gettext "Warning: won't create DNS records for client").\n" 1063 printf "$(gettext "%s property not set to 'true' for the %s FMRI").\n" $ddnsProp $smbFMRI 1064 return 1065 fi 1066 1067 # Destroy any existing ccache as GSS_C_NO_CREDENTIAL will pick up any 1068 # residual default credential in the cache. 1069 kdestroy > /dev/null 2>&1 1070 1071 $KDYNDNS -d $1 > /dev/null 2>&1 1072 if [[ $? -ne 0 ]]; then 1073 # 1074 # Non-fatal, we should carry-on as clients may resolve to 1075 # different servers and the client could already exist there. 1076 # 1077 printf "$(gettext "Warning: unable to create DNS records for client").\n" 1078 printf "$(gettext "This could mean that '%s' is not included as a 'nameserver' in the /etc/resolv.conf file or some other type of error").\n" $dc 1079 fi 1080} 1081 1082function setSMB { 1083 typeset domain=$1 1084 typeset server=$2 1085 smbFMRI=svc:/network/smb/server 1086 1087 printf "%s" $newpw | $KSMB -d $domain -s $server 1088 if [[ $? -ne 0 ]]; then 1089 printf "$(gettext "Warning: unable to set %s domain, server and password information").\n" $smbFMRI 1090 return 1091 fi 1092 1093 svcadm restart $smbFMRI > /dev/null 2>&1 1094 if [[ $? -ne 0 ]]; then 1095 printf "$(gettext "Warning: unable to restart %s").\n" $smbFMRI 1096 fi 1097} 1098 1099function compareDomains { 1100 typeset oldDom hspn newDom=$1 1101 1102 # If the client has been previously configured in a different 1103 # realm/domain then we need to prompt the user to see if they wish to 1104 # switch domains. 1105 klist -k 2>&1 | grep @ | read j hspn 1106 [[ -z $hspn ]] && return 1107 1108 oldDom=${hspn#*@} 1109 if [[ $oldDom != $newDom ]]; then 1110 printf "$(gettext "The client is currently configured in a different domain").\n" 1111 printf "$(gettext "Currently in the '%s' domain, trying to join the '%s' domain").\n" $oldDom $newDom 1112 query "$(gettext "Do you want the client to join a new domain") ?" 1113 printf "\n" 1114 if [[ $answer != yes ]]; then 1115 printf "$(gettext "Client will not be joined to the new domain").\n" 1116 error_message 1117 fi 1118 fi 1119} 1120 1121function getKDCDC { 1122 1123 getKDC 1124 if [[ -n $kdc ]]; then 1125 KDC=$kdc 1126 dc=$kdc 1127 else 1128 getDC 1129 if [[ -n $dc ]]; then 1130 KDC=$dc 1131 else 1132 printf "$(gettext "Could not find domain controller server for '%s'. Exiting").\n" $realm 1133 error_message 1134 fi 1135 fi 1136} 1137 1138function join_domain { 1139 typeset -u upcase_nodename 1140 typeset netbios_nodename fqdn 1141 1142 container=Computers 1143 ldap_args="-o authzid= -o mech=gssapi" 1144 userAccountControlBASE=4096 1145 1146 if [[ -z $ADMIN_PRINC ]]; then 1147 cprinc=Administrator 1148 else 1149 cprinc=$ADMIN_PRINC 1150 fi 1151 1152 if ! discover_domain; then 1153 printf "$(gettext "Can not find realm") '%s'.\n" $realm 1154 error_message 1155 fi 1156 1157 dom=$domain 1158 realm=$domain 1159 upcase_nodename=$hostname 1160 netbios_nodename="${upcase_nodename}\$" 1161 fqdn=$hostname.$domain 1162 upn=host/${fqdn} 1163 1164 grep=/usr/xpg4/bin/grep 1165 1166 object=$(mktemp -q -t kclient-computer-object.XXXXXX) 1167 if [[ -z $object ]]; then 1168 printf "\n$(gettext "Can not create temporary file, exiting").\n 1169" >&2 1170 error_message 1171 fi 1172 1173 grep=/usr/xpg4/bin/grep 1174 1175 modify_existing=false 1176 recreate=false 1177 1178 DomainDnsZones=$(rev_resolve DomainDnsZones.$dom.) 1179 ForestDnsZones=$(rev_resolve ForestDnsZones.$dom.) 1180 1181 getBaseDN "$container" "$dom" 1182 1183 if [[ -n $KDC ]]; then 1184 dc=$KDC 1185 else 1186 getKDCDC 1187 fi 1188 1189 write_ads_krb5conf 1190 1191 printf "$(gettext "Attempting to join '%s' to the '%s' domain").\n\n" $upcase_nodename $realm 1192 1193 kinit $cprinc@$realm 1194 if [[ $? -ne 0 ]]; then 1195 printf "$(gettext "Could not authenticate %s. Exiting").\n" $cprinc@$realm 1196 error_message 1197 fi 1198 1199 if getForestName 1200 then 1201 printf "\n$(gettext "Forest name found: %s")\n\n" $forest 1202 else 1203 printf "\n$(gettext "Forest name not found, assuming forest is the domain name").\n" 1204 fi 1205 1206 getGC 1207 getSite 1208 1209 if [[ -z $siteName ]] 1210 then 1211 printf "$(gettext "Site name not found. Local DCs/GCs will not be discovered").\n\n" 1212 else 1213 printf "$(gettext "Looking for _local_ KDCs, DCs and global catalog servers (SRV RRs)").\n" 1214 getKDCDC 1215 getGC 1216 1217 write_ads_krb5conf 1218 fi 1219 1220 if [[ ${#GCs} -eq 0 ]]; then 1221 printf "$(gettext "Could not find global catalogs. Exiting").\n" 1222 error_message 1223 fi 1224 1225 # Check to see if the client is transitioning between domains. 1226 compareDomains $realm 1227 1228 # Here we check domainFunctionality to see which release: 1229 # 0, 1, 2: Windows 2000, 2003 Interim, 2003 respecitively 1230 # 3: Windows 2008 1231 level=0 1232 ldapsearch -R -T -h "$dc" $ldap_args -b "" -s base "" \ 1233 domainControllerFunctionality| grep ^domainControllerFunctionality| \ 1234 read j level 1235 if [[ $? -ne 0 ]]; then 1236 printf "$(gettext "Search for domain functionality failed, exiting").\n" 1237 error_message 1238 fi 1239 # Longhorn and above can't perform an init auth from service 1240 # keys if the realm is included in the UPN. w2k3 and below 1241 # can't perform an init auth when the realm is excluded. 1242 [[ $level -lt 3 ]] && upn=${upn}@${realm} 1243 1244 if ldapsearch -R -T -h "$dc" $ldap_args -b "$baseDN" \ 1245 -s sub sAMAccountName="$netbios_nodename" dn > /dev/null 2>&1 1246 then 1247 : 1248 else 1249 printf "$(gettext "Search for node failed, exiting").\n" 1250 error_message 1251 fi 1252 ldapsearch -R -T -h "$dc" $ldap_args -b "$baseDN" -s sub \ 1253 sAMAccountName="$netbios_nodename" dn|grep "^dn:"|read j dn 1254 1255 if [[ -z $dn ]]; then 1256 : # modify_existing is already false, which is what we want. 1257 else 1258 printf "$(gettext "Computer account '%s' already exists in the '%s' domain").\n" $upcase_nodename $realm 1259 query "$(gettext "Do you wish to recreate this computer account") ?" 1260 printf "\n" 1261 if [[ $answer == yes ]]; then 1262 recreate=true 1263 else 1264 modify_existing=true 1265 fi 1266 fi 1267 1268 if [[ $modify_existing == false && -n $dn ]]; then 1269 query "$(gettext "Would you like to delete any sub-object found for this computer account") ?" 1270 if [[ $answer == yes ]]; then 1271 printf "$(gettext "Looking to see if the machine account contains other objects")...\n" 1272 ldapsearch -R -T -h "$dc" $ldap_args -b "$dn" -s sub "" dn | while read j sub_dn 1273 do 1274 [[ $j != dn: || -z $sub_dn || $dn == $sub_dn ]] && continue 1275 if $recreate; then 1276 printf "$(gettext "Deleting the following object: %s")\n" ${sub_dn#$dn} 1277 ldapdelete -h "$dc" $ldap_args "$sub_dn" > /dev/null 2>&1 1278 if [[ $? -ne 0 ]]; then 1279 printf "$(gettext "Error in deleting object: %s").\n" ${sub_dn#$dn} 1280 fi 1281 else 1282 printf "$(gettext "The following object will not be deleted"): %s\n" ${sub_dn#$dn} 1283 fi 1284 done 1285 fi 1286 1287 if $recreate; then 1288 ldapdelete -h "$dc" $ldap_args "$dn" > /dev/null 2>&1 1289 if [[ $? -ne 0 ]]; then 1290 printf "$(gettext "Error in deleting object: %s").\n" ${sub_dn#$dn} 1291 error_message 1292 fi 1293 elif $modify_existing; then 1294 : # Nothing to delete 1295 else 1296 printf "$(gettext "A machine account already exists").\n" 1297 error_message 1298 fi 1299 fi 1300 1301 if $modify_existing; then 1302 cat > "$object" <<EOF 1303dn: CN=$upcase_nodename,$baseDN 1304changetype: modify 1305replace: userPrincipalName 1306userPrincipalName: $upn 1307- 1308replace: servicePrincipalName 1309servicePrincipalName: host/${fqdn} 1310- 1311replace: userAccountControl 1312userAccountControl: $((userAccountControlBASE + 32 + 2)) 1313- 1314replace: dNSHostname 1315dNSHostname: ${fqdn} 1316EOF 1317 1318 printf "$(gettext "A machine account already exists; updating it").\n" 1319 ldapadd -h "$dc" $ldap_args -f "$object" > /dev/null 2>&1 1320 if [[ $? -ne 0 ]]; then 1321 printf "$(gettext "Failed to create the AD object via LDAP").\n" 1322 error_message 1323 fi 1324 else 1325 cat > "$object" <<EOF 1326dn: CN=$upcase_nodename,$baseDN 1327objectClass: computer 1328cn: $upcase_nodename 1329sAMAccountName: ${netbios_nodename} 1330userPrincipalName: $upn 1331servicePrincipalName: host/${fqdn} 1332userAccountControl: $((userAccountControlBASE + 32 + 2)) 1333dNSHostname: ${fqdn} 1334EOF 1335 1336 printf "$(gettext "Creating the machine account in AD via LDAP").\n\n" 1337 1338 ldapadd -h "$dc" $ldap_args -f "$object" > /dev/null 2>&1 1339 if [[ $? -ne 0 ]]; then 1340 printf "$(gettext "Failed to create the AD object via LDAP").\n" 1341 error_message 1342 fi 1343 fi 1344 1345 # Generate a new password for the new account 1346 MAX_PASS=32 1347 i=0 1348 1349 while : 1350 do 1351 while ((MAX_PASS > i)) 1352 do 1353 # 94 elements in the printable character set starting 1354 # at decimal 33, contiguous. 1355 dig=$((RANDOM%94+33)) 1356 c=$(printf "\\`printf %o $dig`\n") 1357 p=$p$c 1358 ((i+=1)) 1359 done 1360 1361 # Ensure that we have four character classes. 1362 d=${p%[[:digit:]]*} 1363 a=${p%[[:lower:]]*} 1364 A=${p%[[:upper:]]*} 1365 x=${p%[[:punct:]]*} 1366 1367 # Just compare the number of characters from what was previously 1368 # matched. If there is a difference then we found a match. 1369 n=${#p} 1370 [[ ${#d} -ne $n && ${#a} -ne $n && \ 1371 ${#A} -ne $n && ${#x} -ne $n ]] && break 1372 i=0 1373 p= 1374 done 1375 newpw=$p 1376 1377 # Set the new password 1378 printf "%s" $newpw | $KSETPW ${netbios_nodename}@${realm} > /dev/null 2>&1 1379 if [[ $? -ne 0 ]] 1380 then 1381 printf "$(gettext "Failed to set account password").\n" 1382 error_message 1383 fi 1384 1385 # Lookup the new principal's kvno: 1386 ldapsearch -R -T -h "$dc" $ldap_args -b "$baseDN" \ 1387 -s sub cn=$upcase_nodename msDS-KeyVersionNumber| \ 1388 grep "^msDS-KeyVersionNumber"|read j kvno 1389 [[ -z $kvno ]] && kvno=1 1390 1391 # Set supported enctypes. This only works for Longhorn/Vista, so we 1392 # ignore errors here. 1393 userAccountControl=$((userAccountControlBASE + 524288 + 65536)) 1394 set -A enctypes -- 1395 1396 # Do we have local support for AES? 1397 encrypt -l|grep ^aes|read j minkeysize maxkeysize 1398 val= 1399 if [[ $maxkeysize -eq 256 ]]; then 1400 val=16 1401 enctypes[${#enctypes[@]}]=aes256-cts-hmac-sha1-96 1402 fi 1403 if [[ $minkeysize -eq 128 ]]; then 1404 ((val=val+8)) 1405 enctypes[${#enctypes[@]}]=aes128-cts-hmac-sha1-96 1406 fi 1407 1408 # RC4 comes next (whether it's better than 1DES or not -- AD prefers it) 1409 if encrypt -l|$grep -q ^arcfour 1410 then 1411 ((val=val+4)) 1412 enctypes[${#enctypes[@]}]=arcfour-hmac-md5 1413 else 1414 # Use 1DES ONLY if we don't have arcfour 1415 userAccountControl=$((userAccountControl + 2097152)) 1416 fi 1417 if encrypt -l | $grep -q ^des 1418 then 1419 ((val=val+1+2)) 1420 enctypes[${#enctypes[@]}]=des-cbc-crc 1421 enctypes[${#enctypes[@]}]=des-cbc-md5 1422 fi 1423 1424 if [[ ${#enctypes[@]} -eq 0 ]] 1425 then 1426 printf "$(gettext "No enctypes are supported").\n" 1427 printf "$(gettext "Please enable arcfour or 1DES, then re-join; see cryptoadm(1M)").\n" 1428 error_message 1429 fi 1430 1431 # If domain crontroller is Longhorn or above then set new supported 1432 # encryption type attributes. 1433 if [[ $level -gt 2 ]]; then 1434 cat > "$object" <<EOF 1435dn: CN=$upcase_nodename,$baseDN 1436changetype: modify 1437replace: msDS-SupportedEncryptionTypes 1438msDS-SupportedEncryptionTypes: $val 1439EOF 1440 ldapmodify -h "$dc" $ldap_args -f "$object" >/dev/null 2>&1 1441 if [[ $? -ne 0 ]]; then 1442 printf "$(gettext "Warning: Could not set the supported encryption type for computer account").\n" 1443 fi 1444 fi 1445 1446 # We should probably check whether arcfour is available, and if not, 1447 # then set the 1DES only flag, but whatever, it's not likely NOT to be 1448 # available on S10/Nevada! 1449 1450 # Reset userAccountControl 1451 # 1452 # NORMAL_ACCOUNT (512) | DONT_EXPIRE_PASSWORD (65536) | 1453 # TRUSTED_FOR_DELEGATION (524288) 1454 # 1455 # and possibly UseDesOnly (2097152) (see above) 1456 # 1457 cat > "$object" <<EOF 1458dn: CN=$upcase_nodename,$baseDN 1459changetype: modify 1460replace: userAccountControl 1461userAccountControl: $userAccountControl 1462EOF 1463 ldapmodify -h "$dc" $ldap_args -f "$object" >/dev/null 2>&1 1464 if [[ $? -ne 0 ]]; then 1465 printf "$(gettext "ldapmodify failed to modify account attribute").\n" 1466 error_message 1467 fi 1468 1469 # Setup a keytab file 1470 set -A args -- 1471 for enctype in "${enctypes[@]}" 1472 do 1473 args[${#args[@]}]=-e 1474 args[${#args[@]}]=$enctype 1475 done 1476 1477 rm $new_keytab > /dev/null 2>&1 1478 1479 cat > "$object" <<EOF 1480dn: CN=$upcase_nodename,$baseDN 1481changetype: modify 1482add: servicePrincipalName 1483servicePrincipalName: nfs/${fqdn} 1484servicePrincipalName: HTTP/${fqdn} 1485servicePrincipalName: root/${fqdn} 1486EOF 1487 ldapmodify -h "$dc" $ldap_args -f "$object" >/dev/null 2>&1 1488 if [[ $? -ne 0 ]]; then 1489 printf "$(gettext "ldapmodify failed to modify account attribute").\n" 1490 error_message 1491 fi 1492 1493 printf "%s" $newpw | $KSETPW -n -v $kvno -k "$new_keytab" "${args[@]}" host/${fqdn}@${realm} > /dev/null 2>&1 1494 if [[ $? -ne 0 ]] 1495 then 1496 printf "$(gettext "Failed to set account password").\n" 1497 error_message 1498 fi 1499 1500 # Could be setting ${netbios_nodename}@${realm}, but for now no one 1501 # is requesting this. 1502 1503 print "%s" $newpw | $KSETPW -n -v $kvno -k "$new_keytab" "${args[@]}" nfs/${fqdn}@${realm} > /dev/null 2>&1 1504 if [[ $? -ne 0 ]] 1505 then 1506 printf "$(gettext "Failed to set account password").\n" 1507 error_message 1508 fi 1509 1510 print "%s" $newpw | $KSETPW -n -v $kvno -k "$new_keytab" "${args[@]}" HTTP/${fqdn}@${realm} > /dev/null 2>&1 1511 if [[ $? -ne 0 ]] 1512 then 1513 printf "$(gettext "Failed to set account password").\n" 1514 error_message 1515 fi 1516 1517 print "%s" $newpw | $KSETPW -n -v $kvno -k "$new_keytab" "${args[@]}" root/${fqdn}@${realm} > /dev/null 2>&1 1518 if [[ $? -ne 0 ]] 1519 then 1520 printf "$(gettext "Failed to set account password").\n" 1521 error_message 1522 fi 1523 1524 doKRB5config 1525 1526 addDNSRR $dom 1527 1528 setSMB $dom $dc 1529 1530 printf -- "\n---------------------------------------------------\n" 1531 printf "$(gettext "Setup COMPLETE").\n\n" 1532 1533 kdestroy -q 1>$TMP_FILE 2>&1 1534 rm -f $TMP_FILE 1535 rm -rf $TMPDIR > /dev/null 2>&1 1536 1537 exit 0 1538} 1539 1540########################### 1541# Main section # 1542########################### 1543# 1544# Set the Kerberos config file and some default strings/files 1545# 1546KRB5_CONFIG_FILE=/etc/krb5/krb5.conf 1547KRB5_KEYTAB_FILE=/etc/krb5/krb5.keytab 1548RESOLV_CONF_FILE=/etc/resolv.conf 1549 1550KLOOKUP=/usr/lib/krb5/klookup; check_bin $KLOOKUP 1551KSETPW=/usr/lib/krb5/ksetpw; check_bin $KSETPW 1552KSMB=/usr/lib/krb5/ksmb; check_bin $KSMB 1553KDYNDNS=/usr/lib/krb5/kdyndns; check_bin $KDYNDNS 1554 1555dns_lookup=no 1556ask_fqdns=no 1557adddns=no 1558no_keytab=no 1559checkval="" 1560profile="" 1561typeset -u realm 1562typeset -l hostname KDC 1563 1564export TMPDIR="/var/run/kclient" 1565 1566mkdir $TMPDIR > /dev/null 2>&1 1567 1568TMP_FILE=$(mktemp -q -t kclient-tmpfile.XXXXXX) 1569export KRB5_CONFIG=$(mktemp -q -t kclient-krb5conf.XXXXXX) 1570export KRB5CCNAME=$(mktemp -q -t kclient-krb5ccache.XXXXXX) 1571new_keytab=$(mktemp -q -t kclient-krb5keytab.XXXXXX) 1572if [[ -z $TMP_FILE || -z $KRB5_CONFIG || -z $KRB5CCNAME || -z $new_keytab ]] 1573then 1574 printf "\n$(gettext "Can not create temporary file, exiting").\n" >&2 1575 error_message 1576fi 1577 1578# 1579# If we are interrupted, cleanup after ourselves 1580# 1581trap "exiting 1" HUP INT QUIT TERM 1582 1583if [[ -d /usr/bin ]]; then 1584 if [[ -d /usr/sbin ]]; then 1585 PATH=/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$PATH 1586 export PATH 1587 else 1588 printf "\n$(gettext "Directory /usr/sbin not found, exiting").\n" >&2 1589 exit 1 1590 fi 1591else 1592 printf "\n$(gettext "Directory /usr/bin not found, exiting").\n" >&2 1593 exit 1 1594fi 1595 1596printf "\n$(gettext "Starting client setup")\n\n" 1597printf -- "---------------------------------------------------\n" 1598 1599# 1600# Check for uid 0, disallow otherwise 1601# 1602id 1>$TMP_FILE 2>&1 1603if [[ $? -eq 0 ]]; then 1604 if egrep -s "uid=0\(root\)" $TMP_FILE; then 1605 # uid is 0, go ahead ... 1606 : 1607 else 1608 printf "\n$(gettext "Administrative privileges are required to run this script, exiting").\n" >&2 1609 error_message 1610 fi 1611else 1612 cat $TMP_FILE; 1613 printf "\n$(gettext "uid check failed, exiting").\n" >&2 1614 error_message 1615fi 1616 1617uname=$(uname -n) 1618hostname=${uname%%.*} 1619 1620# 1621# Process the command-line arguments (if any) 1622# 1623OPTIND=1 1624while getopts nD:Kp:R:k:a:c:d:f:h:m:s:T: OPTIONS 1625do 1626 case $OPTIONS in 1627 D) options="$options -D" 1628 domain_list="$OPTARG" 1629 ;; 1630 K) options="$options -K" 1631 no_keytab=yes 1632 ;; 1633 R) options="$options -R" 1634 realm="$OPTARG" 1635 checkval="REALM"; check_value $realm 1636 ;; 1637 T) options="$options -T" 1638 type="$OPTARG" 1639 if [[ $type == ms_ad ]]; then 1640 msad=yes 1641 adddns=yes 1642 else 1643 non_solaris=yes 1644 no_keytab=yes 1645 fi 1646 ;; 1647 a) options="$options -a" 1648 ADMIN_PRINC="$OPTARG" 1649 checkval="ADMIN_PRINC"; check_value $ADMIN_PRINC 1650 ;; 1651 c) options="$options -c" 1652 filepath="$OPTARG" 1653 ;; 1654 d) options="$options -d" 1655 dnsarg="$OPTARG" 1656 checkval="DNS_OPTIONS"; check_value $dnsarg 1657 ;; 1658 f) options="$options -f" 1659 fqdnlist="$OPTARG" 1660 ;; 1661 h) options="$options -h" 1662 logical_hn="$OPTARG" 1663 checkval="LOGICAL_HOSTNAME"; check_value $logical_hn 1664 ;; 1665 k) options="$options -k" 1666 kdc_list="$OPTARG" 1667 ;; 1668 m) options="$options -m" 1669 KDC="$OPTARG" 1670 checkval="KDC"; check_value $KDC 1671 ;; 1672 n) options="$options -n" 1673 add_nfs=yes 1674 ;; 1675 p) options="$options -p" 1676 profile="$OPTARG" 1677 read_profile $profile 1678 ;; 1679 s) options="$options -s" 1680 svc_list="$OPTARG" 1681 SVCs=${svc_list//,/ } 1682 ;; 1683 \?) usage 1684 ;; 1685 *) usage 1686 ;; 1687 esac 1688done 1689 1690#correct argument count after options 1691shift `expr $OPTIND - 1` 1692 1693if [[ -z $options ]]; then 1694 : 1695else 1696 if [[ $# -ne 0 ]]; then 1697 usage 1698 fi 1699fi 1700 1701# 1702# Check to see if we will be a client of a MIT, Heimdal, Shishi, etc. 1703# 1704if [[ -z $options ]]; then 1705 query "$(gettext "Is this a client of a non-Solaris KDC") ?" 1706 non_solaris=$answer 1707 if [[ $non_solaris == yes ]]; then 1708 printf "$(gettext "Which type of KDC is the server"):\n" 1709 printf "\t$(gettext "ms_ad: Microsoft Active Directory")\n" 1710 printf "\t$(gettext "mit: MIT KDC server")\n" 1711 printf "\t$(gettext "heimdal: Heimdal KDC server")\n" 1712 printf "\t$(gettext "shishi: Shishi KDC server")\n" 1713 printf "$(gettext "Enter required KDC type"): " 1714 read kdctype 1715 if [[ $kdctype == ms_ad ]]; then 1716 msad=yes 1717 elif [[ $kdctype == mit || $kdctype == heimdal || \ 1718 $kdctype == shishi ]]; then 1719 no_keytab=yes 1720 else 1721 printf "\n$(gettext "Invalid KDC type option, valid types are ms_ad, mit, heimdal, or shishi, exiting").\n" >&2 1722 error_message 1723 fi 1724 fi 1725fi 1726 1727[[ $msad == yes ]] && join_domain 1728 1729# 1730# Check for /etc/resolv.conf 1731# 1732if [[ -r $RESOLV_CONF_FILE ]]; then 1733 client_machine=`$KLOOKUP` 1734 1735 if [[ $? -ne 0 ]]; then 1736 if [[ $adddns == no ]]; then 1737 printf "\n$(gettext "%s does not have a DNS record and is required for Kerberos setup")\n" $hostname >&2 1738 error_message 1739 fi 1740 1741 else 1742 # 1743 # If client entry already exists then do not recreate it 1744 # 1745 adddns=no 1746 1747 hostname=${client_machine%%.*} 1748 domain=${client_machine#*.} 1749 fi 1750 1751 short_fqdn=${domain#*.*} 1752 short_fqdn=$(echo $short_fqdn | grep "\.") 1753else 1754 # 1755 # /etc/resolv.conf not present, exit ... 1756 # 1757 printf "\n$(gettext "%s does not exist and is required for Kerberos setup")\n" $RESOLV_CONF_FILE >&2 1758 printf "$(gettext "Refer to resolv.conf(4), exiting").\n" >&2 1759 error_message 1760fi 1761 1762check_nss_conf || printf "$(gettext "/etc/nsswitch.conf does not make use of DNS for hosts and/or ipnodes").\n" 1763 1764[[ -n $fqdnlist ]] && verify_fqdnlist "$fqdnlist" 1765 1766if [[ -z $dnsarg && (-z $options || -z $filepath) ]]; then 1767 query "$(gettext "Do you want to use DNS for kerberos lookups") ?" 1768 if [[ $answer == yes ]]; then 1769 printf "\n$(gettext "Valid DNS lookup options are dns_lookup_kdc, dns_lookup_realm,\nand dns_fallback. Refer krb5.conf(4) for further details").\n" 1770 printf "\n$(gettext "Enter required DNS option"): " 1771 read dnsarg 1772 checkval="DNS_OPTIONS"; check_value $dnsarg 1773 set_dns_value $dnsarg 1774 fi 1775else 1776 [[ -z $dnsarg ]] && dnsarg=none 1777 set_dns_value $dnsarg 1778fi 1779 1780if [[ -n $kdc_list ]]; then 1781 if [[ -z $KDC ]]; then 1782 for kdc in $kdc_list; do 1783 break 1784 done 1785 KDC="$kdc" 1786 fi 1787fi 1788 1789if [[ -z $realm ]]; then 1790 printf "$(gettext "Enter the Kerberos realm"): " 1791 read realm 1792 checkval="REALM"; check_value $realm 1793fi 1794if [[ -z $KDC ]]; then 1795 printf "$(gettext "Specify the master KDC hostname for the above realm"): " 1796 read KDC 1797 checkval="KDC"; check_value $KDC 1798fi 1799 1800FKDC=`$KLOOKUP $KDC` 1801 1802# 1803# Ping to see if the kdc is alive ! 1804# 1805ping_check $FKDC "KDC" 1806 1807if [[ -z $kdc_list && (-z $options || -z $filepath) ]]; then 1808 query "$(gettext "Do you have any slave KDC(s)") ?" 1809 if [[ $answer == yes ]]; then 1810 printf "$(gettext "Enter a comma-separated list of slave KDC host names"): " 1811 read kdc_list 1812 fi 1813fi 1814 1815[[ -n $kdc_list ]] && verify_kdcs "$kdc_list" 1816 1817# 1818# Check to see if we will have a dynamic presence in the realm 1819# 1820if [[ -z $options ]]; then 1821 query "$(gettext "Will this client need service keys") ?" 1822 if [[ $answer == no ]]; then 1823 no_keytab=yes 1824 fi 1825fi 1826 1827# 1828# Check to see if we are configuring the client to use a logical host name 1829# of a cluster environment 1830# 1831if [[ -z $options ]]; then 1832 query "$(gettext "Is this client a member of a cluster that uses a logical host name") ?" 1833 if [[ $answer == yes ]]; then 1834 printf "$(gettext "Specify the logical hostname of the cluster"): " 1835 read logical_hn 1836 checkval="LOGICAL_HOSTNAME"; check_value $logical_hn 1837 setup_lhn 1838 fi 1839fi 1840 1841if [[ -n $domain_list && (-z $options || -z $filepath) ]]; then 1842 query "$(gettext "Do you have multiple domains/hosts to map to realm %s" 1843) ?" $realm 1844 if [[ $answer == yes ]]; then 1845 printf "$(gettext "Enter a comma-separated list of domain/hosts 1846to map to the default realm"): " 1847 read domain_list 1848 fi 1849fi 1850[[ -n domain_list ]] && domain_list=${domain_list//,/ } 1851 1852# 1853# Start writing up the krb5.conf file, save the existing one 1854# if already present 1855# 1856writeup_krb5_conf 1857 1858# 1859# Is this client going to use krb-nfs? If so then we need to at least 1860# uncomment the krb5* sec flavors in nfssec.conf. 1861# 1862if [[ -z $options ]]; then 1863 query "$(gettext "Do you plan on doing Kerberized nfs") ?" 1864 add_nfs=$answer 1865fi 1866 1867if [[ $add_nfs == yes ]]; then 1868 modify_nfssec_conf 1869 1870 # 1871 # We also want to enable gss as we now live in a SBD world 1872 # 1873 svcadm enable svc:/network/rpc/gss:default 1874 [[ $? -ne 0 ]] && printf "$(gettext "Warning: could not enable gss service").\n" 1875fi 1876 1877if [[ -z $options ]]; then 1878 query "$(gettext "Do you want to update /etc/pam.conf") ?" 1879 if [[ $answer == yes ]]; then 1880 printf "$(gettext "Enter a list of PAM service names in the following format: service:{first|only|optional}[,..]"): " 1881 read svc_list 1882 SVCs=${svc_list//,/ } 1883 fi 1884fi 1885[[ -n $svc_list ]] && update_pam_conf 1886 1887# 1888# Copy over krb5.conf master copy from filepath 1889# 1890if [[ -z $options || -z $filepath ]]; then 1891 query "$(gettext "Do you want to copy over the master krb5.conf file") ?" 1892 if [[ $answer == yes ]]; then 1893 printf "$(gettext "Enter the pathname of the file to be copied"): " 1894 read filepath 1895 fi 1896fi 1897 1898if [[ -n $filepath && -r $filepath ]]; then 1899 cp $filepath $KRB5_CONFIG 1900 if [[ $? -eq 0 ]]; then 1901 printf "$(gettext "Copied %s to %s").\n" $filepath $KRB5_CONFIG 1902 else 1903 printf "$(gettext "Copy of %s failed, exiting").\n" $filepath >&2 1904 error_message 1905 fi 1906elif [[ -n $filepath ]]; then 1907 printf "\n$(gettext "%s not found, exiting").\n" $filepath >&2 1908 error_message 1909fi 1910 1911doKRB5config 1912 1913# 1914# Populate any service keys needed for the client in the keytab file 1915# 1916if [[ $no_keytab != yes ]]; then 1917 setup_keytab 1918else 1919 printf "\n$(gettext "Note: %s file not created, please refer to verify_ap_req_nofail in krb5.conf(4) for the implications").\n" $KRB5_KEYTAB_FILE 1920 printf "$(gettext "Client will also not be able to host services that use Kerberos").\n" 1921fi 1922 1923printf -- "\n---------------------------------------------------\n" 1924printf "$(gettext "Setup COMPLETE").\n\n" 1925 1926# 1927# If we have configured the client in a cluster we need to remind the user 1928# to propagate the keytab and configuration files to the other members. 1929# 1930if [[ -n $logical_hn ]]; then 1931 printf "\n$(gettext "Note, you will need to securely transfer the /etc/krb5/krb5.keytab and /etc/krb5/krb5.conf files to all the other members of your cluster").\n" 1932fi 1933 1934# 1935# Cleanup. 1936# 1937kdestroy -q 1>$TMP_FILE 2>&1 1938rm -f $TMP_FILE 1939rm -rf $TMPDIR > /dev/null 2>&1 1940exit 0 1941