security revision 1.44
1 #!/bin/sh - 2 # 3 # $NetBSD: security,v 1.44 2000/05/26 17:08:21 ad Exp $ 4 # from: @(#)security 8.1 (Berkeley) 6/9/93 5 # 6 7 PATH=/sbin:/usr/sbin:/bin:/usr/bin 8 9 if [ -f /etc/rc.subr ]; then 10 . /etc/rc.subr 11 else 12 echo "Can't read /etc/rc.subr; aborting." 13 exit 1; 14 fi 15 16 umask 077 17 18 if [ -s /etc/security.conf ]; then 19 . /etc/security.conf 20 fi 21 22 SECUREDIR=/tmp/_securedir.$$ 23 if ! mkdir $SECUREDIR; then 24 echo can not create $SECUREDIR. 25 exit 1 26 fi 27 28 if ! cd $SECUREDIR; then 29 echo can not chdir to $SECUREDIR. 30 exit 1 31 fi 32 33 if [ -z "$max_loginlen" ];then 34 max_loginlen=8 35 fi 36 37 ERR=secure1.$$ 38 TMP1=secure2.$$ 39 TMP2=secure3.$$ 40 MPBYUID=secure4.$$ 41 MPBYPATH=secure5.$$ 42 LIST=secure6.$$ 43 OUTPUT=secure7.$$ 44 LABELS=secure8.$$ 45 46 trap '/bin/rm -rf $SECUREDIR ; exit 0' 0 2 3 47 48 MP=/etc/master.passwd 49 50 # these is used several times. 51 awk -F: '!/^+/ { print $1 " " $3 }' $MP | sort -k2n > $MPBYUID 52 awk -F: '{ print $1 " " $9 }' $MP | sort -k2 > $MPBYPATH 53 54 # Check the master password file syntax. 55 # 56 if checkyesno check_passwd; then 57 awk -v "len=$max_loginlen" ' 58 BEGIN { 59 while ( getline < "/etc/shells" > 0 ) { 60 if ($0 ~ /^\#/ || $0 ~ /^$/ ) 61 continue; 62 shells[$1]++; 63 } 64 FS=":"; 65 } 66 67 { 68 if ($0 ~ /^[ ]*$/) { 69 printf "Line %d is a blank line.\n", NR; 70 next; 71 } 72 if (NF != 10 && ($1 != "+" || NF != 1)) 73 printf "Line %d has the wrong number of fields.\n", NR; 74 if ($1 == "+" ) { 75 if (NF != 1 && $3 == 0) 76 printf "Line %d includes entries with uid 0.\n", NR; 77 next; 78 } 79 if ($1 !~ /^[A-Za-z0-9]*$/) 80 printf "Login %s has non-alphanumeric characters.\n", 81 $1; 82 if (length($1) > len) 83 printf "Login %s has more than "len" characters.\n", $1; 84 if ($2 == "") 85 printf "Login %s has no password.\n", $1; 86 if (length($2) != 13 && length($2) != 20 && $2 != "") { 87 if ($10 == "" || shells[$10]) 88 printf "Login %s is off but still has a valid shell (%s)\n", 89 $1, $10; 90 } else if (! shells[$10]) 91 printf "Login %s does not have a valid shell (%s)\n", 92 $1, $10; 93 if ($3 == 0 && $1 != "root" && $1 != "toor") 94 printf "Login %s has a user id of 0.\n", $1; 95 if ($3 < 0) 96 printf "Login %s has a negative user id.\n", $1; 97 if ($4 < 0) 98 printf "Login %s has a negative group id.\n", $1; 99 }' < $MP > $OUTPUT 100 if [ -s $OUTPUT ] ; then 101 printf "\nChecking the $MP file:\n" 102 cat $OUTPUT 103 fi 104 105 awk -F: '{ print $1 }' $MP | sort | uniq -d > $OUTPUT 106 if [ -s $OUTPUT ] ; then 107 printf "\n$MP has duplicate user names.\n" 108 column $OUTPUT 109 fi 110 111 # To not exclude 'toor', a standard duplicate root account, from the duplicate 112 # account test, uncomment the line below (without egrep in it)and comment 113 # out the line (with egrep in it) below it. 114 # 115 # < $MPBYUID uniq -d -f 1 | awk '{ print $2 }' > $TMP2 116 < $MPBYUID egrep -v '^toor ' | uniq -d -f 1 | awk '{ print $2 }' > $TMP2 117 if [ -s $TMP2 ] ; then 118 printf "\n$MP has duplicate user id's.\n" 119 while read uid; do 120 grep -w $uid $MPBYUID 121 done < $TMP2 | column 122 fi 123 fi 124 125 # Backup the master password file; a special case, the normal backup 126 # mechanisms also print out file differences and we don't want to do 127 # that because this file has encrypted passwords in it. 128 # 129 CUR=/var/backups/`basename $MP`.current 130 BACK=/var/backups/`basename $MP`.backup 131 if [ -s $CUR ] ; then 132 if cmp -s $CUR $MP; then 133 : 134 else 135 cp -p $CUR $BACK 136 cp -p $MP $CUR 137 chown root:wheel $CUR 138 fi 139 else 140 cp -p $MP $CUR 141 chown root:wheel $CUR 142 fi 143 144 # Check the group file syntax. 145 # 146 if checkyesno check_group; then 147 GRP=/etc/group 148 awk -F: '{ 149 if ($0 ~ /^[ ]*$/) { 150 printf "Line %d is a blank line.\n", NR; 151 next; 152 } 153 if (NF != 4 && ($1 != "+" || NF != 1)) 154 printf "Line %d has the wrong number of fields.\n", NR; 155 if ($1 == "+" ) { 156 next; 157 } 158 if ($1 !~ /^[A-za-z0-9]*$/) 159 printf "Group %s has non-alphanumeric characters.\n", 160 $1; 161 if (length($1) > 8) 162 printf "Group %s has more than 8 characters.\n", $1; 163 if ($3 !~ /[0-9]*/) 164 printf "Login %s has a negative group id.\n", $1; 165 }' < $GRP > $OUTPUT 166 if [ -s $OUTPUT ] ; then 167 printf "\nChecking the $GRP file:\n" 168 cat $OUTPUT 169 fi 170 171 awk -F: '{ print $1 }' $GRP | sort | uniq -d > $OUTPUT 172 if [ -s $OUTPUT ] ; then 173 printf "\n$GRP has duplicate group names.\n" 174 column $OUTPUT 175 fi 176 fi 177 178 # Check for root paths, umask values in startup files. 179 # The check for the root paths is problematical -- it's likely to fail 180 # in other environments. Once the shells have been modified to warn 181 # of '.' in the path, the path tests should go away. 182 # 183 if checkyesno check_rootdotfiles; then 184 > $OUTPUT 185 rhome=`csh -fc "echo ~root"` 186 umaskset=no 187 list="/etc/csh.cshrc /etc/csh.login ${rhome}/.cshrc ${rhome}/.login" 188 for i in $list ; do 189 if [ -f $i ] ; then 190 if egrep umask $i > /dev/null ; then 191 umaskset=yes 192 fi 193 egrep umask $i | 194 awk '$2 % 100 < 20 \ 195 { print "\tRoot umask is group writeable" } 196 $2 % 10 < 2 \ 197 { print "\tRoot umask is other writeable" }' \ 198 >> $OUTPUT 199 SAVE_PATH=$PATH 200 unset PATH 201 /bin/csh -f -s << end-of-csh > /dev/null 2>&1 202 source $i 203 /bin/ls -ldgT \$path > $TMP1 204 end-of-csh 205 PATH=$SAVE_PATH 206 awk '{ 207 if ($10 ~ /^\.$/) { 208 print "\tThe root path includes ."; 209 next; 210 } 211 } 212 $1 ~ /^d....w/ \ 213 { print "\tRoot path directory " $10 " is group writeable." } \ 214 $1 ~ /^d.......w/ \ 215 { print "\tRoot path directory " $10 " is other writeable." }' \ 216 < $TMP1 >> $OUTPUT 217 fi 218 done 219 if [ $umaskset = "no" -o -s $OUTPUT ] ; then 220 printf "\nChecking root csh paths, umask values:\n$list\n\n" 221 if [ -s $OUTPUT ]; then 222 cat $OUTPUT 223 fi 224 if [ $umaskset = "no" ] ; then 225 printf "\tRoot csh startup files do not set the umask.\n" 226 fi 227 fi 228 229 > $OUTPUT 230 rhome=/root 231 umaskset=no 232 list="/etc/profile ${rhome}/.profile" 233 for i in $list; do 234 if [ -f $i ] ; then 235 if egrep umask $i > /dev/null ; then 236 umaskset=yes 237 fi 238 egrep umask $i | 239 awk '$2 % 100 < 20 \ 240 { print "\tRoot umask is group writeable" } \ 241 $2 % 10 < 2 \ 242 { print "\tRoot umask is other writeable" }' \ 243 >> $OUTPUT 244 SAVE_PATH=$PATH 245 unset PATH 246 /bin/sh << end-of-sh > /dev/null 2>&1 247 . $i 248 list=\`echo \$PATH | /usr/bin/sed -e \ 249 's/^:/.:/;s/:$/:./;s/::/:.:/g;s/:/ /g'\` 250 /bin/ls -ldgT \$list > $TMP1 251 end-of-sh 252 PATH=$SAVE_PATH 253 awk '{ 254 if ($10 ~ /^\.$/) { 255 print "\tThe root path includes ."; 256 next; 257 } 258 } 259 $1 ~ /^d....w/ \ 260 { print "\tRoot path directory " $10 " is group writeable." } \ 261 $1 ~ /^d.......w/ \ 262 { print "\tRoot path directory " $10 " is other writeable." }' \ 263 < $TMP1 >> $OUTPUT 264 265 fi 266 done 267 if [ $umaskset = "no" -o -s $OUTPUT ] ; then 268 printf "\nChecking root sh paths, umask values:\n$list\n" 269 if [ -s $OUTPUT ]; then 270 cat $OUTPUT 271 fi 272 if [ $umaskset = "no" ] ; then 273 printf "\tRoot sh startup files do not set the umask.\n" 274 fi 275 fi 276 fi 277 278 # Root and uucp should both be in /etc/ftpusers. 279 # 280 if checkyesno check_ftpusers; then 281 > $OUTPUT 282 list="uucp "`awk '$2 == 0 { print $1 }' $MPBYUID` 283 for i in $list; do 284 if /usr/libexec/ftpd -C $i ; then 285 printf "\t$i is not denied\n" >> $OUTPUT 286 fi 287 done 288 if [ -s $OUTPUT ]; then 289 printf "\nChecking the /etc/ftpusers configuration:\n" 290 cat $OUTPUT 291 fi 292 fi 293 294 # Uudecode should not be in the /etc/mail/aliases file. 295 # 296 if checkyesno check_aliases; then 297 for f in /etc/mail/aliases /etc/aliases; do 298 if [ -f $f ] && egrep '^[^#]*(uudecode|decode).*\|' $f; then 299 printf "\nEntry for uudecode in $f file.\n" 300 fi 301 done 302 fi 303 304 # Files that should not have + signs. 305 # 306 if checkyesno check_rhosts; then 307 list="/etc/hosts.equiv /etc/hosts.lpd" 308 for f in $list ; do 309 if [ -f $f ] && egrep '\+' $f > /dev/null ; then 310 printf "\nPlus sign in $f file.\n" 311 fi 312 done 313 314 # Check for special users with .rhosts files. Only root and toor should 315 # have .rhosts files. Also, .rhosts files should not have plus signs. 316 awk -F: '$1 != "root" && $1 != "toor" && \ 317 ($3 < 100 || $1 == "ftp" || $1 == "uucp") \ 318 { print $1 " " $9 }' $MP | 319 sort -k2 | 320 while read uid homedir; do 321 if [ -f ${homedir}/.rhosts ] ; then 322 rhost=`ls -ldgT ${homedir}/.rhosts` 323 printf "$uid: $rhost\n" 324 fi 325 done > $OUTPUT 326 if [ -s $OUTPUT ] ; then 327 printf "\nChecking for special users with .rhosts files.\n" 328 cat $OUTPUT 329 fi 330 331 while read uid homedir; do 332 if [ -f ${homedir}/.rhosts -a -r ${homedir}/.rhosts ] && \ 333 cat -f ${homedir}/.rhosts | egrep '\+' > /dev/null ; then 334 printf "$uid: + in .rhosts file.\n" 335 fi 336 done < $MPBYPATH > $OUTPUT 337 if [ -s $OUTPUT ] ; then 338 printf "\nChecking .rhosts files syntax.\n" 339 cat $OUTPUT 340 fi 341 fi 342 343 # Check home directories. Directories should not be owned by someone else 344 # or writeable. 345 # 346 if checkyesno check_homes; then 347 while read uid homedir; do 348 if [ -d ${homedir}/ ] ; then 349 file=`ls -ldgT ${homedir}` 350 printf "$uid $file\n" 351 fi 352 done < $MPBYPATH | 353 awk '$1 != $4 && $4 != "root" \ 354 { print "user " $1 " home directory is owned by " $4 } 355 $2 ~ /^-....w/ \ 356 { print "user " $1 " home directory is group writeable" } 357 $2 ~ /^-.......w/ \ 358 { print "user " $1 " home directory is other writeable" }' \ 359 > $OUTPUT 360 if [ -s $OUTPUT ] ; then 361 printf "\nChecking home directories.\n" 362 cat $OUTPUT 363 fi 364 365 # Files that should not be owned by someone else or readable. 366 list=".Xauthority .netrc" 367 while read uid homedir; do 368 for f in $list ; do 369 file=${homedir}/${f} 370 if [ -f $file ] ; then 371 printf "$uid $f `ls -ldgT $file`\n" 372 fi 373 done 374 done < $MPBYPATH | 375 awk '$1 != $5 && $5 != "root" \ 376 { print "user " $1 " " $2 " file is owned by " $5 } 377 $3 ~ /^-...r/ \ 378 { print "user " $1 " " $2 " file is group readable" } 379 $3 ~ /^-......r/ \ 380 { print "user " $1 " " $2 " file is other readable" } 381 $3 ~ /^-....w/ \ 382 { print "user " $1 " " $2 " file is group writeable" } 383 $3 ~ /^-.......w/ \ 384 { print "user " $1 " " $2 " file is other writeable" }' \ 385 > $OUTPUT 386 387 # Files that should not be owned by someone else or writeable. 388 list=".bash_history .bash_login .bash_logout .bash_profile .bashrc \ 389 .cshrc .emacs .exrc .forward .history .klogin .login .logout \ 390 .profile .qmail .rc_history .rhosts .tcshrc .twmrc .xinitrc \ 391 .xsession" 392 while read uid homedir; do 393 for f in $list ; do 394 file=${homedir}/${f} 395 if [ -f $file ] ; then 396 printf "$uid $f `ls -ldgT $file`\n" 397 fi 398 done 399 done < $MPBYPATH | 400 awk '$1 != $5 && $5 != "root" \ 401 { print "user " $1 " " $2 " file is owned by " $5 } 402 $3 ~ /^-....w/ \ 403 { print "user " $1 " " $2 " file is group writeable" } 404 $3 ~ /^-.......w/ \ 405 { print "user " $1 " " $2 " file is other writeable" }' \ 406 >> $OUTPUT 407 if [ -s $OUTPUT ] ; then 408 printf "\nChecking dot files.\n" 409 cat $OUTPUT 410 fi 411 fi 412 413 # Mailboxes should be owned by user and unreadable. 414 # 415 if checkyesno check_varmail; then 416 ls -l /var/mail | sed 1d | \ 417 awk '$3 != $9 \ 418 { print "user " $9 " mailbox is owned by " $3 } 419 $1 != "-rw-------" \ 420 { print "user " $9 " mailbox is " $1 ", group " $4 }' > $OUTPUT 421 if [ -s $OUTPUT ] ; then 422 printf "\nChecking mailbox ownership.\n" 423 cat $OUTPUT 424 fi 425 fi 426 427 # NFS exports shouldn't be globally exported 428 # 429 if checkyesno check_nfs && [ -f /etc/exports ]; then 430 awk '{ 431 # ignore comments and blank lines 432 if ($0 ~ /^\#/ || $0 ~ /^$/ ) 433 next; 434 435 readonly = 0; 436 for (i = 2; i <= NF; ++i) { 437 if ($i ~ /-ro/) 438 readonly = 1; 439 else if ($i !~ /^-/) 440 next; 441 } 442 if (readonly) 443 print "File system " $1 " globally exported, read-only." 444 else 445 print "File system " $1 " globally exported, read-write." 446 }' < /etc/exports > $OUTPUT 447 if [ -s $OUTPUT ] ; then 448 printf "\nChecking for globally exported file systems.\n" 449 cat $OUTPUT 450 fi 451 fi 452 453 # Display any changes in setuid files and devices. 454 # 455 if checkyesno check_devices; then 456 > $ERR 457 (find / \( ! -fstype local -o -fstype fdesc -o -fstype kernfs \ 458 -o -fstype procfs \) -a -prune -o \ 459 \( \( -perm -u+s -a ! -type d \) -o \ 460 \( -perm -g+s -a ! -type d \) -o \ 461 -type b -o -type c \) -print0 | \ 462 xargs -0 ls -ldgTq | sort +9 > $LIST) 2> $OUTPUT 463 464 # Display any errors that occurred during system file walk. 465 if [ -s $OUTPUT ] ; then 466 printf "Setuid/device find errors:\n" >> $ERR 467 cat $OUTPUT >> $ERR 468 printf "\n" >> $ERR 469 fi 470 471 # Display any changes in the setuid file list. 472 egrep -v '^[bc]' $LIST > $TMP1 473 if [ -s $TMP1 ] ; then 474 # Check to make sure uudecode isn't setuid. 475 if grep -w uudecode $TMP1 > /dev/null ; then 476 printf "\nUudecode is setuid.\n" >> $ERR 477 fi 478 479 CUR=/var/backups/setuid.current 480 BACK=/var/backups/setuid.backup 481 482 if [ -s $CUR ] ; then 483 if cmp -s $CUR $TMP1 ; then 484 : 485 else 486 > $TMP2 487 join -110 -210 -v2 $CUR $TMP1 > $OUTPUT 488 if [ -s $OUTPUT ] ; then 489 printf "Setuid additions:\n" >> $ERR 490 tee -a $TMP2 < $OUTPUT >> $ERR 491 printf "\n" >> $ERR 492 fi 493 494 join -110 -210 -v1 $CUR $TMP1 > $OUTPUT 495 if [ -s $OUTPUT ] ; then 496 printf "Setuid deletions:\n" >> $ERR 497 tee -a $TMP2 < $OUTPUT >> $ERR 498 printf "\n" >> $ERR 499 fi 500 501 sort -k10 $TMP2 $CUR $TMP1 | \ 502 sed -e 's/[ ][ ]*/ /g' | \ 503 uniq -u > $OUTPUT 504 if [ -s $OUTPUT ] ; then 505 printf "Setuid changes:\n" >> $ERR 506 column -t $OUTPUT >> $ERR 507 printf "\n" >> $ERR 508 fi 509 510 cp $CUR $BACK 511 cp $TMP1 $CUR 512 fi 513 else 514 printf "Setuid additions:\n" >> $ERR 515 column -t $TMP1 >> $ERR 516 printf "\n" >> $ERR 517 cp $TMP1 $CUR 518 fi 519 fi 520 521 # Check for block and character disk devices that are readable or 522 # writeable or not owned by root.operator. 523 >$TMP1 524 DISKLIST="acd ccd cd ch fd hk hp mcd md ra rb rd rl rx rz \ 525 sd se ss tz uk up vnd wd xd xy" 526 # DISKLIST="$DISKLIST ct mt st wt" 527 for i in $DISKLIST; do 528 egrep "^b.*/${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1 529 egrep "^c.*/r${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1 530 done 531 532 awk '$3 != "root" || $4 != "operator" || $1 !~ /.rw-r-----/ \ 533 { printf "Disk %s is user %s, group %s, permissions %s.\n", \ 534 $11, $3, $4, $1; }' < $TMP1 > $OUTPUT 535 if [ -s $OUTPUT ] ; then 536 printf "\nChecking disk ownership and permissions.\n" >> $ERR 537 cat $OUTPUT >> $ERR 538 printf "\n" >> $ERR 539 fi 540 541 # Display any changes in the device file list. 542 egrep '^[bc]' $LIST | sort -k11 > $TMP1 543 if [ -s $TMP1 ] ; then 544 CUR=/var/backups/device.current 545 BACK=/var/backups/device.backup 546 547 if [ -s $CUR ] ; then 548 if cmp -s $CUR $TMP1 ; then 549 : 550 else 551 > $TMP2 552 join -111 -211 -v2 $CUR $TMP1 > $OUTPUT 553 if [ -s $OUTPUT ] ; then 554 printf "Device additions:\n" >> $ERR 555 tee -a $TMP2 < $OUTPUT >> $ERR 556 printf "\n" >> $ERR 557 fi 558 559 join -111 -211 -v1 $CUR $TMP1 > $OUTPUT 560 if [ -s $OUTPUT ] ; then 561 printf "Device deletions:\n" >> $ERR 562 tee -a $TMP2 < $OUTPUT >> $ERR 563 printf "\n" >> $ERR 564 fi 565 566 # Report any block device change. Ignore 567 # character devices, only the name is 568 # significant. 569 cat $TMP2 $CUR $TMP1 | \ 570 sed -e '/^c/d' | \ 571 sort -k11 | \ 572 sed -e 's/[ ][ ]*/ /g' | \ 573 uniq -u > $OUTPUT 574 if [ -s $OUTPUT ] ; then 575 printf "Block device changes:\n" >> $ERR 576 column -t $OUTPUT >> $ERR 577 printf "\n" >> $ERR 578 fi 579 580 cp $CUR $BACK 581 cp $TMP1 $CUR 582 fi 583 else 584 printf "Device additions:\n" >> $ERR 585 column -t $TMP1 >> $ERR 586 printf "\n" >> $ERR 587 cp $TMP1 $CUR >> $ERR 588 fi 589 fi 590 if [ -s $ERR ] ; then 591 printf "\nChecking setuid files and devices:\n" 592 cat $ERR 593 printf "\n" 594 fi 595 fi 596 597 # Check special files. 598 # Check system binaries. 599 # 600 # Create the mtree tree specifications using: 601 # 602 # mtree -cx -pDIR -kcksum,gid,mode,nlink,size,link,time,uid > DIR.secure 603 # chown root:wheel DIR.secure 604 # chmod 600 DIR.secure 605 # 606 # Note, this is not complete protection against Trojan horsed binaries, as 607 # the hacker can modify the tree specification to match the replaced binary. 608 # For details on really protecting yourself against modified binaries, see 609 # the mtree(8) manual page. 610 # 611 if checkyesno check_mtree; then 612 mtree -e -p / -f /etc/mtree/special > $OUTPUT 613 if [ -s $OUTPUT ]; then 614 printf "\nChecking special files and directories.\n" 615 cat $OUTPUT 616 fi 617 618 > $OUTPUT 619 for file in /etc/mtree/*.secure; do 620 [ $file = '/etc/mtree/*.secure' ] && continue 621 tree=`sed -n -e '3s/.* //p' -e 3q $file` 622 mtree -f $file -p $tree > $TMP1 623 if [ -s $TMP1 ]; then 624 printf "\nChecking $tree:\n" >> $OUTPUT 625 cat $TMP1 >> $OUTPUT 626 fi 627 done 628 if [ -s $OUTPUT ]; then 629 printf "\nChecking system binaries:\n" 630 cat $OUTPUT 631 fi 632 fi 633 634 CHANGELIST="" 635 636 # Backup disklabels of available disks 637 # 638 if checkyesno check_disklabels; then 639 # generate list of old disklabels and remove them 640 ls -1d /var/backups/disklabel.* 2>/dev/null | 641 egrep -v '\.(backup|current)$' > $LABELS 642 xargs rm < $LABELS 643 644 disks=`iostat -x | sed 1d | awk '$1 !~ /^[cfm]d/ { print $1; }'` 645 for i in $disks; do 646 dlf="/var/backups/disklabel.$i" 647 disklabel $i > $dlf 2>/dev/null 648 done 649 650 # append list of new disklabels, sort list 651 ls -1d /var/backups/disklabel.* 2>/dev/null | 652 egrep -v '\.(backup|current)$' >> $LABELS 653 sort -u -o $LABELS $LABELS 654 CHANGELIST=$LABELS 655 fi 656 657 # List of files that get backed up and checked for any modifications. Each 658 # file is expected to have two backups, /var/backups/file.{current,backup}. 659 # Any changes cause the files to rotate. 660 # 661 if checkyesno check_changelist && [ -s /etc/changelist ] ; then 662 CHANGELIST="/etc/changelist $CHANGELIST" 663 fi 664 665 if [ -n "$CHANGELIST" ]; then 666 for file in `egrep -hv "^#|$MP" $CHANGELIST`; do 667 CUR=/var/backups/`basename $file`.current 668 BACK=/var/backups/`basename $file`.backup 669 if [ -f $file ]; then 670 if [ -f $CUR ] ; then 671 diff $CUR $file > $OUTPUT 672 if [ -s $OUTPUT ] ; then 673 printf "\n======\n%s diffs (OLD < > NEW)\n======\n" $file 674 cat $OUTPUT 675 mv -f $CUR $BACK 676 cp -p $file $CUR 677 chown root:wheel $CUR 678 fi 679 else 680 printf "\n======\n%s added\n======\n" $file 681 diff /dev/null $file 682 cp -p $file $CUR 683 chown root:wheel $CUR 684 fi 685 else 686 if [ -f $CUR ]; then 687 printf "\n======\n%s removed\n======\n" $file 688 diff $CUR /dev/null 689 mv -f $CUR $BACK 690 fi 691 fi 692 done 693 fi 694 695 # run skeyaudit to inform users of ready to expire S/Keys 696 # 697 if checkyesno run_skeyaudit; then 698 skeyaudit 699 fi 700 701 if [ -f /etc/security.local ]; then 702 echo "" 703 echo "Running /etc/security.local:" 704 . /etc/security.local 705 fi 706
Indexes created Tue Sep 30 11:09:46 GMT 2025