security revision 1.50
1#!/bin/sh - 2# 3# $NetBSD: security,v 1.50 2001/03/12 16:48:13 atatat Exp $ 4# from: @(#)security 8.1 (Berkeley) 6/9/93 5# 6 7PATH=/sbin:/usr/sbin:/bin:/usr/bin 8 9if [ -f /etc/rc.subr ]; then 10 . /etc/rc.subr 11else 12 echo "Can't read /etc/rc.subr; aborting." 13 exit 1; 14fi 15 16umask 077 17 18if [ -s /etc/security.conf ]; then 19 . /etc/security.conf 20fi 21 22SECUREDIR=/tmp/_securedir.$$ 23if ! mkdir $SECUREDIR; then 24 echo can not create $SECUREDIR. 25 exit 1 26fi 27 28if ! cd $SECUREDIR; then 29 echo can not chdir to $SECUREDIR. 30 exit 1 31fi 32 33if [ -z "$max_loginlen" ];then 34 max_loginlen=8 35fi 36 37if [ -z "$max_grouplen" ]; then 38 max_grouplen=8 39fi 40 41ERR=secure1.$$ 42TMP1=secure2.$$ 43TMP2=secure3.$$ 44MPBYUID=secure4.$$ 45MPBYPATH=secure5.$$ 46LIST=secure6.$$ 47OUTPUT=secure7.$$ 48LABELS=secure8.$$ 49 50trap '/bin/rm -rf $SECUREDIR ; exit 0' 0 2 3 51 52# Handle backup_dir not being set in .conf file 53backup_dir=${backup_dir:-/var/backups} 54 55MP=/etc/master.passwd 56 57# these is used several times. 58awk -F: '!/^+/ { print $1 " " $3 }' $MP | sort -k2n > $MPBYUID 59awk -F: '{ print $1 " " $9 }' $MP | sort -k2 > $MPBYPATH 60 61# Check the master password file syntax. 62# 63if checkyesno check_passwd; then 64 awk -v "len=$max_loginlen" ' 65 BEGIN { 66 while ( getline < "/etc/shells" > 0 ) { 67 if ($0 ~ /^\#/ || $0 ~ /^$/ ) 68 continue; 69 shells[$1]++; 70 } 71 FS=":"; 72 } 73 74 { 75 if ($0 ~ /^[ ]*$/) { 76 printf "Line %d is a blank line.\n", NR; 77 next; 78 } 79 if (NF != 10 && ($1 != "+" || NF != 1)) 80 printf "Line %d has the wrong number of fields.\n", NR; 81 if ($1 == "+" ) { 82 if (NF != 1 && $3 == 0) 83 printf "Line %d includes entries with uid 0.\n", NR; 84 next; 85 } 86 if ($1 !~ /^[A-Za-z0-9]*$/) 87 printf "Login %s has non-alphanumeric characters.\n", 88 $1; 89 if (length($1) > len) 90 printf "Login %s has more than "len" characters.\n", $1; 91 if ($2 == "") 92 printf "Login %s has no password.\n", $1; 93 if (length($2) != 13 && length($2) != 20 && length($2) != 34 && $2 != "") { 94 if ($10 == "" || shells[$10]) 95 printf "Login %s is off but still has a valid shell (%s)\n", 96 $1, $10; 97 } else if (! shells[$10]) 98 printf "Login %s does not have a valid shell (%s)\n", 99 $1, $10; 100 if ($3 == 0 && $1 != "root" && $1 != "toor") 101 printf "Login %s has a user id of 0.\n", $1; 102 if ($3 < 0) 103 printf "Login %s has a negative user id.\n", $1; 104 if ($4 < 0) 105 printf "Login %s has a negative group id.\n", $1; 106 }' < $MP > $OUTPUT 107 if [ -s $OUTPUT ] ; then 108 printf "\nChecking the $MP file:\n" 109 cat $OUTPUT 110 fi 111 112 awk -F: '{ print $1 }' $MP | sort | uniq -d > $OUTPUT 113 if [ -s $OUTPUT ] ; then 114 printf "\n$MP has duplicate user names.\n" 115 column $OUTPUT 116 fi 117 118# To not exclude 'toor', a standard duplicate root account, from the duplicate 119# account test, uncomment the line below (without egrep in it)and comment 120# out the line (with egrep in it) below it. 121# 122# < $MPBYUID uniq -d -f 1 | awk '{ print $2 }' > $TMP2 123 < $MPBYUID egrep -v '^toor ' | uniq -d -f 1 | awk '{ print $2 }' > $TMP2 124 if [ -s $TMP2 ] ; then 125 printf "\n$MP has duplicate user id's.\n" 126 while read uid; do 127 grep -w $uid $MPBYUID 128 done < $TMP2 | column 129 fi 130fi 131 132# Backup the master password file; a special case, the normal backup 133# mechanisms also print out file differences and we don't want to do 134# that because this file has encrypted passwords in it. 135# 136CUR=$backup_dir/${MP##*/}.current 137BACK=$backup_dir/${MP##*/}.backup 138if [ -s $CUR ] ; then 139 if cmp -s $CUR $MP; then 140 : 141 else 142 cp -p $CUR $BACK 143 cp -p $MP $CUR 144 chown root:wheel $CUR 145 fi 146else 147 cp -p $MP $CUR 148 chown root:wheel $CUR 149fi 150 151# Check the group file syntax. 152# 153if checkyesno check_group; then 154 GRP=/etc/group 155 awk -F: -v "len=$max_grouplen" '{ 156 if ($0 ~ /^[ ]*$/) { 157 printf "Line %d is a blank line.\n", NR; 158 next; 159 } 160 if (NF != 4 && ($1 != "+" || NF != 1)) 161 printf "Line %d has the wrong number of fields.\n", NR; 162 if ($1 == "+" ) { 163 next; 164 } 165 if ($1 !~ /^[A-za-z0-9]*$/) 166 printf "Group %s has non-alphanumeric characters.\n", 167 $1; 168 if (length($1) > len) 169 printf "Group %s has more than "len" characters.\n", $1; 170 if ($3 !~ /[0-9]*/) 171 printf "Login %s has a negative group id.\n", $1; 172 }' < $GRP > $OUTPUT 173 if [ -s $OUTPUT ] ; then 174 printf "\nChecking the $GRP file:\n" 175 cat $OUTPUT 176 fi 177 178 awk -F: '{ print $1 }' $GRP | sort | uniq -d > $OUTPUT 179 if [ -s $OUTPUT ] ; then 180 printf "\n$GRP has duplicate group names.\n" 181 column $OUTPUT 182 fi 183fi 184 185# Check for root paths, umask values in startup files. 186# The check for the root paths is problematical -- it's likely to fail 187# in other environments. Once the shells have been modified to warn 188# of '.' in the path, the path tests should go away. 189# 190if checkyesno check_rootdotfiles; then 191 > $OUTPUT 192 rhome=`csh -fc "echo ~root"` 193 umaskset=no 194 list="/etc/csh.cshrc /etc/csh.login ${rhome}/.cshrc ${rhome}/.login" 195 for i in $list ; do 196 if [ -f $i ] ; then 197 if egrep '^[ \t]*umask[ \t]+[0-7]+' $i > /dev/null ; then 198 umaskset=yes 199 fi 200 # double check the umask value itself; ensure that both the 201 # 020 and 002 bits are set. 202 # we handle this in decimal initially to extract the digits, 203 # and then extract the `2' bit of each digit. 204 # this is made especially painful because 205 # bitwise operations were left out of awk. 206 egrep '^[ \t]*umask[ \t]+[0-7]+' $i | 207 awk '{ g= ($2 % 100) - ($2 % 10); 208 g /= 10; 209 g = g % 4; 210 g -= g % 2; 211 if (g != 2) { print "\tRoot umask is group writeable" } 212 o = ($2 % 10); 213 o = o % 4; 214 o -= o % 2; 215 if (o != 2) { print "\tRoot umask is other writeable" } }' | 216 sort -u >> $OUTPUT 217 SAVE_PATH=$PATH 218 unset PATH 219 /bin/csh -f -s << end-of-csh > /dev/null 2>&1 220 source $i 221 /bin/ls -ldgT \$path > $TMP1 222end-of-csh 223 PATH=$SAVE_PATH 224 awk '{ 225 if ($10 ~ /^\.$/) { 226 print "\tThe root path includes ."; 227 next; 228 } 229 } 230 $1 ~ /^d....w/ \ 231 { print "\tRoot path directory " $10 " is group writeable." } \ 232 $1 ~ /^d.......w/ \ 233 { print "\tRoot path directory " $10 " is other writeable." }' \ 234 < $TMP1 >> $OUTPUT 235 fi 236 done 237 if [ $umaskset = "no" -o -s $OUTPUT ] ; then 238 printf "\nChecking root csh paths, umask values:\n$list\n\n" 239 if [ -s $OUTPUT ]; then 240 cat $OUTPUT 241 fi 242 if [ $umaskset = "no" ] ; then 243 printf "\tRoot csh startup files do not set the umask.\n" 244 fi 245 fi 246 247 > $OUTPUT 248 rhome=/root 249 umaskset=no 250 list="/etc/profile ${rhome}/.profile" 251 for i in $list; do 252 if [ -f $i ] ; then 253 if egrep umask $i > /dev/null ; then 254 umaskset=yes 255 fi 256 egrep umask $i | 257 awk '$2 % 100 < 20 \ 258 { print "\tRoot umask is group writeable" } \ 259 $2 % 10 < 2 \ 260 { print "\tRoot umask is other writeable" }' \ 261 >> $OUTPUT 262 SAVE_PATH=$PATH 263 unset PATH 264 /bin/sh << end-of-sh > /dev/null 2>&1 265 . $i 266 list=\`echo \$PATH | /usr/bin/sed -e \ 267 's/^:/.:/;s/:$/:./;s/::/:.:/g;s/:/ /g'\` 268 /bin/ls -ldgT \$list > $TMP1 269end-of-sh 270 PATH=$SAVE_PATH 271 awk '{ 272 if ($10 ~ /^\.$/) { 273 print "\tThe root path includes ."; 274 next; 275 } 276 } 277 $1 ~ /^d....w/ \ 278 { print "\tRoot path directory " $10 " is group writeable." } \ 279 $1 ~ /^d.......w/ \ 280 { print "\tRoot path directory " $10 " is other writeable." }' \ 281 < $TMP1 >> $OUTPUT 282 283 fi 284 done 285 if [ $umaskset = "no" -o -s $OUTPUT ] ; then 286 printf "\nChecking root sh paths, umask values:\n$list\n" 287 if [ -s $OUTPUT ]; then 288 cat $OUTPUT 289 fi 290 if [ $umaskset = "no" ] ; then 291 printf "\tRoot sh startup files do not set the umask.\n" 292 fi 293 fi 294fi 295 296# Root and uucp should both be in /etc/ftpusers. 297# 298if checkyesno check_ftpusers; then 299 > $OUTPUT 300 list="uucp "`awk '$2 == 0 { print $1 }' $MPBYUID` 301 for i in $list; do 302 if /usr/libexec/ftpd -C $i ; then 303 printf "\t$i is not denied\n" >> $OUTPUT 304 fi 305 done 306 if [ -s $OUTPUT ]; then 307 printf "\nChecking the /etc/ftpusers configuration:\n" 308 cat $OUTPUT 309 fi 310fi 311 312# Uudecode should not be in the /etc/mail/aliases file. 313# 314if checkyesno check_aliases; then 315 for f in /etc/mail/aliases /etc/aliases; do 316 if [ -f $f ] && egrep '^[^#]*(uudecode|decode).*\|' $f; then 317 printf "\nEntry for uudecode in $f file.\n" 318 fi 319 done 320fi 321 322# Files that should not have + signs. 323# 324if checkyesno check_rhosts; then 325 list="/etc/hosts.equiv /etc/hosts.lpd" 326 for f in $list ; do 327 if [ -f $f ] && egrep '\+' $f > /dev/null ; then 328 printf "\nPlus sign in $f file.\n" 329 fi 330 done 331 332 # Check for special users with .rhosts files. Only root and toor should 333 # have .rhosts files. Also, .rhosts files should not have plus signs. 334 awk -F: '$1 != "root" && $1 != "toor" && \ 335 ($3 < 100 || $1 == "ftp" || $1 == "uucp") \ 336 { print $1 " " $9 }' $MP | 337 sort -k2 | 338 while read uid homedir; do 339 if [ -f ${homedir}/.rhosts ] ; then 340 rhost=`ls -ldgT ${homedir}/.rhosts` 341 printf -- "$uid: $rhost\n" 342 fi 343 done > $OUTPUT 344 if [ -s $OUTPUT ] ; then 345 printf "\nChecking for special users with .rhosts files.\n" 346 cat $OUTPUT 347 fi 348 349 while read uid homedir; do 350 if [ -f ${homedir}/.rhosts -a -r ${homedir}/.rhosts ] && \ 351 cat -f ${homedir}/.rhosts | egrep '\+' > /dev/null ; then 352 printf -- "$uid: + in .rhosts file.\n" 353 fi 354 done < $MPBYPATH > $OUTPUT 355 if [ -s $OUTPUT ] ; then 356 printf "\nChecking .rhosts files syntax.\n" 357 cat $OUTPUT 358 fi 359fi 360 361# Check home directories. Directories should not be owned by someone else 362# or writeable. 363# 364if checkyesno check_homes; then 365 while read uid homedir; do 366 if [ -d ${homedir}/ ] ; then 367 file=`ls -ldgT ${homedir}` 368 printf -- "$uid $file\n" 369 fi 370 done < $MPBYPATH | 371 awk '$1 != $4 && $4 != "root" \ 372 { print "user " $1 " home directory is owned by " $4 } 373 $2 ~ /^-....w/ \ 374 { print "user " $1 " home directory is group writeable" } 375 $2 ~ /^-.......w/ \ 376 { print "user " $1 " home directory is other writeable" }' \ 377 > $OUTPUT 378 if [ -s $OUTPUT ] ; then 379 printf "\nChecking home directories.\n" 380 cat $OUTPUT 381 fi 382 383 # Files that should not be owned by someone else or readable. 384 list=".Xauthority .netrc" 385 while read uid homedir; do 386 for f in $list ; do 387 file=${homedir}/${f} 388 if [ -f $file ] ; then 389 printf -- "$uid $f `ls -ldgT $file`\n" 390 fi 391 done 392 done < $MPBYPATH | 393 awk '$1 != $5 && $5 != "root" \ 394 { print "user " $1 " " $2 " file is owned by " $5 } 395 $3 ~ /^-...r/ \ 396 { print "user " $1 " " $2 " file is group readable" } 397 $3 ~ /^-......r/ \ 398 { print "user " $1 " " $2 " file is other readable" } 399 $3 ~ /^-....w/ \ 400 { print "user " $1 " " $2 " file is group writeable" } 401 $3 ~ /^-.......w/ \ 402 { print "user " $1 " " $2 " file is other writeable" }' \ 403 > $OUTPUT 404 405 # Files that should not be owned by someone else or writeable. 406 list=".bash_history .bash_login .bash_logout .bash_profile .bashrc \ 407 .cshrc .emacs .exrc .forward .history .klogin .login .logout \ 408 .profile .qmail .rc_history .rhosts .tcshrc .twmrc .xinitrc \ 409 .xsession" 410 while read uid homedir; do 411 for f in $list ; do 412 file=${homedir}/${f} 413 if [ -f $file ] ; then 414 printf -- "$uid $f `ls -ldgT $file`\n" 415 fi 416 done 417 done < $MPBYPATH | 418 awk '$1 != $5 && $5 != "root" \ 419 { print "user " $1 " " $2 " file is owned by " $5 } 420 $3 ~ /^-....w/ \ 421 { print "user " $1 " " $2 " file is group writeable" } 422 $3 ~ /^-.......w/ \ 423 { print "user " $1 " " $2 " file is other writeable" }' \ 424 >> $OUTPUT 425 if [ -s $OUTPUT ] ; then 426 printf "\nChecking dot files.\n" 427 cat $OUTPUT 428 fi 429fi 430 431# Mailboxes should be owned by user and unreadable. 432# 433if checkyesno check_varmail; then 434 ls -l /var/mail | sed 1d | \ 435 awk '$3 != $9 \ 436 { print "user " $9 " mailbox is owned by " $3 } 437 $1 != "-rw-------" \ 438 { print "user " $9 " mailbox is " $1 ", group " $4 }' > $OUTPUT 439 if [ -s $OUTPUT ] ; then 440 printf "\nChecking mailbox ownership.\n" 441 cat $OUTPUT 442 fi 443fi 444 445# NFS exports shouldn't be globally exported 446# 447if checkyesno check_nfs && [ -f /etc/exports ]; then 448 awk '{ 449 # ignore comments and blank lines 450 if ($0 ~ /^\#/ || $0 ~ /^$/ ) 451 next; 452 453 readonly = 0; 454 for (i = 2; i <= NF; ++i) { 455 if ($i ~ /-ro/) 456 readonly = 1; 457 else if ($i !~ /^-/) 458 next; 459 } 460 if (readonly) 461 print "File system " $1 " globally exported, read-only." 462 else 463 print "File system " $1 " globally exported, read-write." 464 }' < /etc/exports > $OUTPUT 465 if [ -s $OUTPUT ] ; then 466 printf "\nChecking for globally exported file systems.\n" 467 cat $OUTPUT 468 fi 469fi 470 471# Display any changes in setuid files and devices. 472# 473if checkyesno check_devices; then 474 > $ERR 475 (find / \( ! -fstype local -o -fstype fdesc -o -fstype kernfs \ 476 -o -fstype procfs \) -a -prune -o \ 477 \( \( -perm -u+s -a ! -type d \) -o \ 478 \( -perm -g+s -a ! -type d \) -o \ 479 -type b -o -type c \) -print0 | \ 480 xargs -0 ls -ldgTq | sort +9 > $LIST) 2> $OUTPUT 481 482 # Display any errors that occurred during system file walk. 483 if [ -s $OUTPUT ] ; then 484 printf "Setuid/device find errors:\n" >> $ERR 485 cat $OUTPUT >> $ERR 486 printf "\n" >> $ERR 487 fi 488 489 # Display any changes in the setuid file list. 490 egrep -v '^[bc]' $LIST > $TMP1 491 if [ -s $TMP1 ] ; then 492 # Check to make sure uudecode isn't setuid. 493 if grep -w uudecode $TMP1 > /dev/null ; then 494 printf "\nUudecode is setuid.\n" >> $ERR 495 fi 496 497 CUR=$backup_dir/setuid.current 498 BACK=$backup_dir/setuid.backup 499 500 if [ -s $CUR ] ; then 501 if cmp -s $CUR $TMP1 ; then 502 : 503 else 504 > $TMP2 505 join -110 -210 -v2 $CUR $TMP1 > $OUTPUT 506 if [ -s $OUTPUT ] ; then 507 printf "Setuid additions:\n" >> $ERR 508 tee -a $TMP2 < $OUTPUT >> $ERR 509 printf "\n" >> $ERR 510 fi 511 512 join -110 -210 -v1 $CUR $TMP1 > $OUTPUT 513 if [ -s $OUTPUT ] ; then 514 printf "Setuid deletions:\n" >> $ERR 515 tee -a $TMP2 < $OUTPUT >> $ERR 516 printf "\n" >> $ERR 517 fi 518 519 sort -k10 $TMP2 $CUR $TMP1 | \ 520 sed -e 's/[ ][ ]*/ /g' | \ 521 uniq -u > $OUTPUT 522 if [ -s $OUTPUT ] ; then 523 printf "Setuid changes:\n" >> $ERR 524 column -t $OUTPUT >> $ERR 525 printf "\n" >> $ERR 526 fi 527 528 cp $CUR $BACK 529 cp $TMP1 $CUR 530 fi 531 else 532 printf "Setuid additions:\n" >> $ERR 533 column -t $TMP1 >> $ERR 534 printf "\n" >> $ERR 535 cp $TMP1 $CUR 536 fi 537 fi 538 539 # Check for block and character disk devices that are readable or 540 # writeable or not owned by root.operator. 541 >$TMP1 542 DISKLIST="acd ccd cd ch fd hk hp mcd md ra rb rd rl rx rz \ 543 sd se ss tz uk up vnd wd xd xy" 544# DISKLIST="$DISKLIST ct mt st wt" 545 for i in $DISKLIST; do 546 egrep "^b.*/${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1 547 egrep "^c.*/r${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1 548 done 549 550 awk '$3 != "root" || $4 != "operator" || $1 !~ /.rw-r-----/ \ 551 { printf "Disk %s is user %s, group %s, permissions %s.\n", \ 552 $11, $3, $4, $1; }' < $TMP1 > $OUTPUT 553 if [ -s $OUTPUT ] ; then 554 printf "\nChecking disk ownership and permissions.\n" >> $ERR 555 cat $OUTPUT >> $ERR 556 printf "\n" >> $ERR 557 fi 558 559 # Display any changes in the device file list. 560 egrep '^[bc]' $LIST | sort -k11 > $TMP1 561 if [ -s $TMP1 ] ; then 562 CUR=$backup_dir/device.current 563 BACK=$backup_dir/device.backup 564 565 if [ -s $CUR ] ; then 566 if cmp -s $CUR $TMP1 ; then 567 : 568 else 569 > $TMP2 570 join -111 -211 -v2 $CUR $TMP1 > $OUTPUT 571 if [ -s $OUTPUT ] ; then 572 printf "Device additions:\n" >> $ERR 573 tee -a $TMP2 < $OUTPUT >> $ERR 574 printf "\n" >> $ERR 575 fi 576 577 join -111 -211 -v1 $CUR $TMP1 > $OUTPUT 578 if [ -s $OUTPUT ] ; then 579 printf "Device deletions:\n" >> $ERR 580 tee -a $TMP2 < $OUTPUT >> $ERR 581 printf "\n" >> $ERR 582 fi 583 584 # Report any block device change. Ignore 585 # character devices, only the name is 586 # significant. 587 cat $TMP2 $CUR $TMP1 | \ 588 sed -e '/^c/d' | \ 589 sort -k11 | \ 590 sed -e 's/[ ][ ]*/ /g' | \ 591 uniq -u > $OUTPUT 592 if [ -s $OUTPUT ] ; then 593 printf "Block device changes:\n" >> $ERR 594 column -t $OUTPUT >> $ERR 595 printf "\n" >> $ERR 596 fi 597 598 cp $CUR $BACK 599 cp $TMP1 $CUR 600 fi 601 else 602 printf "Device additions:\n" >> $ERR 603 column -t $TMP1 >> $ERR 604 printf "\n" >> $ERR 605 cp $TMP1 $CUR >> $ERR 606 fi 607 fi 608 if [ -s $ERR ] ; then 609 printf "\nChecking setuid files and devices:\n" 610 cat $ERR 611 printf "\n" 612 fi 613fi 614 615# Check special files. 616# Check system binaries. 617# 618# Create the mtree tree specifications using: 619# 620# mtree -cx -pDIR -kcksum,gid,mode,nlink,size,link,time,uid > DIR.secure 621# chown root:wheel DIR.secure 622# chmod 600 DIR.secure 623# 624# Note, this is not complete protection against Trojan horsed binaries, as 625# the hacker can modify the tree specification to match the replaced binary. 626# For details on really protecting yourself against modified binaries, see 627# the mtree(8) manual page. 628# 629if checkyesno check_mtree; then 630 mtree -e -p / -f /etc/mtree/special > $OUTPUT 631 if [ -s $OUTPUT ]; then 632 printf "\nChecking special files and directories.\n" 633 cat $OUTPUT 634 fi 635 636 > $OUTPUT 637 for file in /etc/mtree/*.secure; do 638 [ $file = '/etc/mtree/*.secure' ] && continue 639 tree=`sed -n -e '3s/.* //p' -e 3q $file` 640 mtree -f $file -p $tree > $TMP1 641 if [ -s $TMP1 ]; then 642 printf "\nChecking $tree:\n" >> $OUTPUT 643 cat $TMP1 >> $OUTPUT 644 fi 645 done 646 if [ -s $OUTPUT ]; then 647 printf "\nChecking system binaries:\n" 648 cat $OUTPUT 649 fi 650fi 651 652CHANGELIST="" 653 654# Backup disklabels of available disks 655# 656if checkyesno check_disklabels; then 657 # generate list of old disklabels and remove them 658 ls -1d $backup_dir/disklabel.* 2>/dev/null | 659 egrep -v '\.(backup|current)$' > $LABELS 660 xargs rm < $LABELS 661 662 disks=`iostat -x | sed 1d | awk '$1 !~ /^[cfm]d/ { print $1; }'` 663 for i in $disks; do 664 dlf="$backup_dir/disklabel.$i" 665 disklabel $i > $dlf 2>/dev/null 666 done 667 668 # append list of new disklabels, sort list 669 ls -1d $backup_dir/disklabel.* 2>/dev/null | 670 egrep -v '\.(backup|current)$' >> $LABELS 671 sort -u -o $LABELS $LABELS 672 CHANGELIST=$LABELS 673fi 674 675# List of files that get backed up and checked for any modifications. Each 676# file is expected to have two backups, $backup_dir/file.{current,backup}. 677# Any changes cause the files to rotate. 678# 679if checkyesno check_changelist && [ -s /etc/changelist ] ; then 680 CHANGELIST="/etc/changelist $CHANGELIST" 681fi 682 683if [ -n "$CHANGELIST" ]; then 684 for file in `egrep -hv "^#|$MP" $CHANGELIST`; do 685 CUR=$backup_dir/${file##*/}.current 686 BACK=$backup_dir/${file##*/}.backup 687 if [ -f $file ]; then 688 if [ -f $CUR ] ; then 689 diff $CUR $file > $OUTPUT 690 if [ -s $OUTPUT ] ; then 691 printf "\n======\n%s diffs (OLD < > NEW)\n======\n" $file 692 cat $OUTPUT 693 mv -f $CUR $BACK 694 cp -p $file $CUR 695 chown root:wheel $CUR 696 fi 697 else 698 printf "\n======\n%s added\n======\n" $file 699 diff /dev/null $file 700 cp -p $file $CUR 701 chown root:wheel $CUR 702 fi 703 else 704 if [ -f $CUR ]; then 705 printf "\n======\n%s removed\n======\n" $file 706 diff $CUR /dev/null 707 mv -f $CUR $BACK 708 fi 709 fi 710 done 711fi 712 713# run skeyaudit to inform users of ready to expire S/Keys 714# 715if checkyesno run_skeyaudit; then 716 skeyaudit 717fi 718 719if [ -f /etc/security.local ]; then 720 echo "" 721 echo "Running /etc/security.local:" 722 . /etc/security.local 723fi 724