security revision 1.45 1 #!/bin/sh -
2 #
3 # $NetBSD: security,v 1.45 2000/07/02 22:27:47 sommerfeld 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 '^[ \t]*umask[ \t]+[0-7]+' $i > /dev/null ; then
191 umaskset=yes
192 fi
193 # double check the umask value itself; ensure that both the
194 # 020 and 002 bits are set.
195 # we handle this in decimal initially to extract the digits,
196 # and then extract the `2' bit of each digit.
197 # this is made especially painful because
198 # bitwise operations were left out of awk.
199 egrep '^[ \t]*umask[ \t]+[0-7]+' $i |
200 awk '{ g= ($2 % 100) - ($2 % 10);
201 g /= 10;
202 g = g % 4;
203 g -= g % 2;
204 if (g != 2) { print "\tRoot umask is group writeable" }
205 o = ($2 % 10);
206 o = o % 4;
207 o -= o % 2;
208 if (o != 2) { print "\tRoot umask is other writeable" } }' |
209 sort -u >> $OUTPUT
210 SAVE_PATH=$PATH
211 unset PATH
212 /bin/csh -f -s << end-of-csh > /dev/null 2>&1
213 source $i
214 /bin/ls -ldgT \$path > $TMP1
215 end-of-csh
216 PATH=$SAVE_PATH
217 awk '{
218 if ($10 ~ /^\.$/) {
219 print "\tThe root path includes .";
220 next;
221 }
222 }
223 $1 ~ /^d....w/ \
224 { print "\tRoot path directory " $10 " is group writeable." } \
225 $1 ~ /^d.......w/ \
226 { print "\tRoot path directory " $10 " is other writeable." }' \
227 < $TMP1 >> $OUTPUT
228 fi
229 done
230 if [ $umaskset = "no" -o -s $OUTPUT ] ; then
231 printf "\nChecking root csh paths, umask values:\n$list\n\n"
232 if [ -s $OUTPUT ]; then
233 cat $OUTPUT
234 fi
235 if [ $umaskset = "no" ] ; then
236 printf "\tRoot csh startup files do not set the umask.\n"
237 fi
238 fi
239
240 > $OUTPUT
241 rhome=/root
242 umaskset=no
243 list="/etc/profile ${rhome}/.profile"
244 for i in $list; do
245 if [ -f $i ] ; then
246 if egrep umask $i > /dev/null ; then
247 umaskset=yes
248 fi
249 egrep umask $i |
250 awk '$2 % 100 < 20 \
251 { print "\tRoot umask is group writeable" } \
252 $2 % 10 < 2 \
253 { print "\tRoot umask is other writeable" }' \
254 >> $OUTPUT
255 SAVE_PATH=$PATH
256 unset PATH
257 /bin/sh << end-of-sh > /dev/null 2>&1
258 . $i
259 list=\`echo \$PATH | /usr/bin/sed -e \
260 's/^:/.:/;s/:$/:./;s/::/:.:/g;s/:/ /g'\`
261 /bin/ls -ldgT \$list > $TMP1
262 end-of-sh
263 PATH=$SAVE_PATH
264 awk '{
265 if ($10 ~ /^\.$/) {
266 print "\tThe root path includes .";
267 next;
268 }
269 }
270 $1 ~ /^d....w/ \
271 { print "\tRoot path directory " $10 " is group writeable." } \
272 $1 ~ /^d.......w/ \
273 { print "\tRoot path directory " $10 " is other writeable." }' \
274 < $TMP1 >> $OUTPUT
275
276 fi
277 done
278 if [ $umaskset = "no" -o -s $OUTPUT ] ; then
279 printf "\nChecking root sh paths, umask values:\n$list\n"
280 if [ -s $OUTPUT ]; then
281 cat $OUTPUT
282 fi
283 if [ $umaskset = "no" ] ; then
284 printf "\tRoot sh startup files do not set the umask.\n"
285 fi
286 fi
287 fi
288
289 # Root and uucp should both be in /etc/ftpusers.
290 #
291 if checkyesno check_ftpusers; then
292 > $OUTPUT
293 list="uucp "`awk '$2 == 0 { print $1 }' $MPBYUID`
294 for i in $list; do
295 if /usr/libexec/ftpd -C $i ; then
296 printf "\t$i is not denied\n" >> $OUTPUT
297 fi
298 done
299 if [ -s $OUTPUT ]; then
300 printf "\nChecking the /etc/ftpusers configuration:\n"
301 cat $OUTPUT
302 fi
303 fi
304
305 # Uudecode should not be in the /etc/mail/aliases file.
306 #
307 if checkyesno check_aliases; then
308 for f in /etc/mail/aliases /etc/aliases; do
309 if [ -f $f ] && egrep '^[^#]*(uudecode|decode).*\|' $f; then
310 printf "\nEntry for uudecode in $f file.\n"
311 fi
312 done
313 fi
314
315 # Files that should not have + signs.
316 #
317 if checkyesno check_rhosts; then
318 list="/etc/hosts.equiv /etc/hosts.lpd"
319 for f in $list ; do
320 if [ -f $f ] && egrep '\+' $f > /dev/null ; then
321 printf "\nPlus sign in $f file.\n"
322 fi
323 done
324
325 # Check for special users with .rhosts files. Only root and toor should
326 # have .rhosts files. Also, .rhosts files should not have plus signs.
327 awk -F: '$1 != "root" && $1 != "toor" && \
328 ($3 < 100 || $1 == "ftp" || $1 == "uucp") \
329 { print $1 " " $9 }' $MP |
330 sort -k2 |
331 while read uid homedir; do
332 if [ -f ${homedir}/.rhosts ] ; then
333 rhost=`ls -ldgT ${homedir}/.rhosts`
334 printf "$uid: $rhost\n"
335 fi
336 done > $OUTPUT
337 if [ -s $OUTPUT ] ; then
338 printf "\nChecking for special users with .rhosts files.\n"
339 cat $OUTPUT
340 fi
341
342 while read uid homedir; do
343 if [ -f ${homedir}/.rhosts -a -r ${homedir}/.rhosts ] && \
344 cat -f ${homedir}/.rhosts | egrep '\+' > /dev/null ; then
345 printf "$uid: + in .rhosts file.\n"
346 fi
347 done < $MPBYPATH > $OUTPUT
348 if [ -s $OUTPUT ] ; then
349 printf "\nChecking .rhosts files syntax.\n"
350 cat $OUTPUT
351 fi
352 fi
353
354 # Check home directories. Directories should not be owned by someone else
355 # or writeable.
356 #
357 if checkyesno check_homes; then
358 while read uid homedir; do
359 if [ -d ${homedir}/ ] ; then
360 file=`ls -ldgT ${homedir}`
361 printf "$uid $file\n"
362 fi
363 done < $MPBYPATH |
364 awk '$1 != $4 && $4 != "root" \
365 { print "user " $1 " home directory is owned by " $4 }
366 $2 ~ /^-....w/ \
367 { print "user " $1 " home directory is group writeable" }
368 $2 ~ /^-.......w/ \
369 { print "user " $1 " home directory is other writeable" }' \
370 > $OUTPUT
371 if [ -s $OUTPUT ] ; then
372 printf "\nChecking home directories.\n"
373 cat $OUTPUT
374 fi
375
376 # Files that should not be owned by someone else or readable.
377 list=".Xauthority .netrc"
378 while read uid homedir; do
379 for f in $list ; do
380 file=${homedir}/${f}
381 if [ -f $file ] ; then
382 printf "$uid $f `ls -ldgT $file`\n"
383 fi
384 done
385 done < $MPBYPATH |
386 awk '$1 != $5 && $5 != "root" \
387 { print "user " $1 " " $2 " file is owned by " $5 }
388 $3 ~ /^-...r/ \
389 { print "user " $1 " " $2 " file is group readable" }
390 $3 ~ /^-......r/ \
391 { print "user " $1 " " $2 " file is other readable" }
392 $3 ~ /^-....w/ \
393 { print "user " $1 " " $2 " file is group writeable" }
394 $3 ~ /^-.......w/ \
395 { print "user " $1 " " $2 " file is other writeable" }' \
396 > $OUTPUT
397
398 # Files that should not be owned by someone else or writeable.
399 list=".bash_history .bash_login .bash_logout .bash_profile .bashrc \
400 .cshrc .emacs .exrc .forward .history .klogin .login .logout \
401 .profile .qmail .rc_history .rhosts .tcshrc .twmrc .xinitrc \
402 .xsession"
403 while read uid homedir; do
404 for f in $list ; do
405 file=${homedir}/${f}
406 if [ -f $file ] ; then
407 printf "$uid $f `ls -ldgT $file`\n"
408 fi
409 done
410 done < $MPBYPATH |
411 awk '$1 != $5 && $5 != "root" \
412 { print "user " $1 " " $2 " file is owned by " $5 }
413 $3 ~ /^-....w/ \
414 { print "user " $1 " " $2 " file is group writeable" }
415 $3 ~ /^-.......w/ \
416 { print "user " $1 " " $2 " file is other writeable" }' \
417 >> $OUTPUT
418 if [ -s $OUTPUT ] ; then
419 printf "\nChecking dot files.\n"
420 cat $OUTPUT
421 fi
422 fi
423
424 # Mailboxes should be owned by user and unreadable.
425 #
426 if checkyesno check_varmail; then
427 ls -l /var/mail | sed 1d | \
428 awk '$3 != $9 \
429 { print "user " $9 " mailbox is owned by " $3 }
430 $1 != "-rw-------" \
431 { print "user " $9 " mailbox is " $1 ", group " $4 }' > $OUTPUT
432 if [ -s $OUTPUT ] ; then
433 printf "\nChecking mailbox ownership.\n"
434 cat $OUTPUT
435 fi
436 fi
437
438 # NFS exports shouldn't be globally exported
439 #
440 if checkyesno check_nfs && [ -f /etc/exports ]; then
441 awk '{
442 # ignore comments and blank lines
443 if ($0 ~ /^\#/ || $0 ~ /^$/ )
444 next;
445
446 readonly = 0;
447 for (i = 2; i <= NF; ++i) {
448 if ($i ~ /-ro/)
449 readonly = 1;
450 else if ($i !~ /^-/)
451 next;
452 }
453 if (readonly)
454 print "File system " $1 " globally exported, read-only."
455 else
456 print "File system " $1 " globally exported, read-write."
457 }' < /etc/exports > $OUTPUT
458 if [ -s $OUTPUT ] ; then
459 printf "\nChecking for globally exported file systems.\n"
460 cat $OUTPUT
461 fi
462 fi
463
464 # Display any changes in setuid files and devices.
465 #
466 if checkyesno check_devices; then
467 > $ERR
468 (find / \( ! -fstype local -o -fstype fdesc -o -fstype kernfs \
469 -o -fstype procfs \) -a -prune -o \
470 \( \( -perm -u+s -a ! -type d \) -o \
471 \( -perm -g+s -a ! -type d \) -o \
472 -type b -o -type c \) -print0 | \
473 xargs -0 ls -ldgTq | sort +9 > $LIST) 2> $OUTPUT
474
475 # Display any errors that occurred during system file walk.
476 if [ -s $OUTPUT ] ; then
477 printf "Setuid/device find errors:\n" >> $ERR
478 cat $OUTPUT >> $ERR
479 printf "\n" >> $ERR
480 fi
481
482 # Display any changes in the setuid file list.
483 egrep -v '^[bc]' $LIST > $TMP1
484 if [ -s $TMP1 ] ; then
485 # Check to make sure uudecode isn't setuid.
486 if grep -w uudecode $TMP1 > /dev/null ; then
487 printf "\nUudecode is setuid.\n" >> $ERR
488 fi
489
490 CUR=/var/backups/setuid.current
491 BACK=/var/backups/setuid.backup
492
493 if [ -s $CUR ] ; then
494 if cmp -s $CUR $TMP1 ; then
495 :
496 else
497 > $TMP2
498 join -110 -210 -v2 $CUR $TMP1 > $OUTPUT
499 if [ -s $OUTPUT ] ; then
500 printf "Setuid additions:\n" >> $ERR
501 tee -a $TMP2 < $OUTPUT >> $ERR
502 printf "\n" >> $ERR
503 fi
504
505 join -110 -210 -v1 $CUR $TMP1 > $OUTPUT
506 if [ -s $OUTPUT ] ; then
507 printf "Setuid deletions:\n" >> $ERR
508 tee -a $TMP2 < $OUTPUT >> $ERR
509 printf "\n" >> $ERR
510 fi
511
512 sort -k10 $TMP2 $CUR $TMP1 | \
513 sed -e 's/[ ][ ]*/ /g' | \
514 uniq -u > $OUTPUT
515 if [ -s $OUTPUT ] ; then
516 printf "Setuid changes:\n" >> $ERR
517 column -t $OUTPUT >> $ERR
518 printf "\n" >> $ERR
519 fi
520
521 cp $CUR $BACK
522 cp $TMP1 $CUR
523 fi
524 else
525 printf "Setuid additions:\n" >> $ERR
526 column -t $TMP1 >> $ERR
527 printf "\n" >> $ERR
528 cp $TMP1 $CUR
529 fi
530 fi
531
532 # Check for block and character disk devices that are readable or
533 # writeable or not owned by root.operator.
534 >$TMP1
535 DISKLIST="acd ccd cd ch fd hk hp mcd md ra rb rd rl rx rz \
536 sd se ss tz uk up vnd wd xd xy"
537 # DISKLIST="$DISKLIST ct mt st wt"
538 for i in $DISKLIST; do
539 egrep "^b.*/${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1
540 egrep "^c.*/r${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1
541 done
542
543 awk '$3 != "root" || $4 != "operator" || $1 !~ /.rw-r-----/ \
544 { printf "Disk %s is user %s, group %s, permissions %s.\n", \
545 $11, $3, $4, $1; }' < $TMP1 > $OUTPUT
546 if [ -s $OUTPUT ] ; then
547 printf "\nChecking disk ownership and permissions.\n" >> $ERR
548 cat $OUTPUT >> $ERR
549 printf "\n" >> $ERR
550 fi
551
552 # Display any changes in the device file list.
553 egrep '^[bc]' $LIST | sort -k11 > $TMP1
554 if [ -s $TMP1 ] ; then
555 CUR=/var/backups/device.current
556 BACK=/var/backups/device.backup
557
558 if [ -s $CUR ] ; then
559 if cmp -s $CUR $TMP1 ; then
560 :
561 else
562 > $TMP2
563 join -111 -211 -v2 $CUR $TMP1 > $OUTPUT
564 if [ -s $OUTPUT ] ; then
565 printf "Device additions:\n" >> $ERR
566 tee -a $TMP2 < $OUTPUT >> $ERR
567 printf "\n" >> $ERR
568 fi
569
570 join -111 -211 -v1 $CUR $TMP1 > $OUTPUT
571 if [ -s $OUTPUT ] ; then
572 printf "Device deletions:\n" >> $ERR
573 tee -a $TMP2 < $OUTPUT >> $ERR
574 printf "\n" >> $ERR
575 fi
576
577 # Report any block device change. Ignore
578 # character devices, only the name is
579 # significant.
580 cat $TMP2 $CUR $TMP1 | \
581 sed -e '/^c/d' | \
582 sort -k11 | \
583 sed -e 's/[ ][ ]*/ /g' | \
584 uniq -u > $OUTPUT
585 if [ -s $OUTPUT ] ; then
586 printf "Block device changes:\n" >> $ERR
587 column -t $OUTPUT >> $ERR
588 printf "\n" >> $ERR
589 fi
590
591 cp $CUR $BACK
592 cp $TMP1 $CUR
593 fi
594 else
595 printf "Device additions:\n" >> $ERR
596 column -t $TMP1 >> $ERR
597 printf "\n" >> $ERR
598 cp $TMP1 $CUR >> $ERR
599 fi
600 fi
601 if [ -s $ERR ] ; then
602 printf "\nChecking setuid files and devices:\n"
603 cat $ERR
604 printf "\n"
605 fi
606 fi
607
608 # Check special files.
609 # Check system binaries.
610 #
611 # Create the mtree tree specifications using:
612 #
613 # mtree -cx -pDIR -kcksum,gid,mode,nlink,size,link,time,uid > DIR.secure
614 # chown root:wheel DIR.secure
615 # chmod 600 DIR.secure
616 #
617 # Note, this is not complete protection against Trojan horsed binaries, as
618 # the hacker can modify the tree specification to match the replaced binary.
619 # For details on really protecting yourself against modified binaries, see
620 # the mtree(8) manual page.
621 #
622 if checkyesno check_mtree; then
623 mtree -e -p / -f /etc/mtree/special > $OUTPUT
624 if [ -s $OUTPUT ]; then
625 printf "\nChecking special files and directories.\n"
626 cat $OUTPUT
627 fi
628
629 > $OUTPUT
630 for file in /etc/mtree/*.secure; do
631 [ $file = '/etc/mtree/*.secure' ] && continue
632 tree=`sed -n -e '3s/.* //p' -e 3q $file`
633 mtree -f $file -p $tree > $TMP1
634 if [ -s $TMP1 ]; then
635 printf "\nChecking $tree:\n" >> $OUTPUT
636 cat $TMP1 >> $OUTPUT
637 fi
638 done
639 if [ -s $OUTPUT ]; then
640 printf "\nChecking system binaries:\n"
641 cat $OUTPUT
642 fi
643 fi
644
645 CHANGELIST=""
646
647 # Backup disklabels of available disks
648 #
649 if checkyesno check_disklabels; then
650 # generate list of old disklabels and remove them
651 ls -1d /var/backups/disklabel.* 2>/dev/null |
652 egrep -v '\.(backup|current)$' > $LABELS
653 xargs rm < $LABELS
654
655 disks=`iostat -x | sed 1d | awk '$1 !~ /^[cfm]d/ { print $1; }'`
656 for i in $disks; do
657 dlf="/var/backups/disklabel.$i"
658 disklabel $i > $dlf 2>/dev/null
659 done
660
661 # append list of new disklabels, sort list
662 ls -1d /var/backups/disklabel.* 2>/dev/null |
663 egrep -v '\.(backup|current)$' >> $LABELS
664 sort -u -o $LABELS $LABELS
665 CHANGELIST=$LABELS
666 fi
667
668 # List of files that get backed up and checked for any modifications. Each
669 # file is expected to have two backups, /var/backups/file.{current,backup}.
670 # Any changes cause the files to rotate.
671 #
672 if checkyesno check_changelist && [ -s /etc/changelist ] ; then
673 CHANGELIST="/etc/changelist $CHANGELIST"
674 fi
675
676 if [ -n "$CHANGELIST" ]; then
677 for file in `egrep -hv "^#|$MP" $CHANGELIST`; do
678 CUR=/var/backups/`basename $file`.current
679 BACK=/var/backups/`basename $file`.backup
680 if [ -f $file ]; then
681 if [ -f $CUR ] ; then
682 diff $CUR $file > $OUTPUT
683 if [ -s $OUTPUT ] ; then
684 printf "\n======\n%s diffs (OLD < > NEW)\n======\n" $file
685 cat $OUTPUT
686 mv -f $CUR $BACK
687 cp -p $file $CUR
688 chown root:wheel $CUR
689 fi
690 else
691 printf "\n======\n%s added\n======\n" $file
692 diff /dev/null $file
693 cp -p $file $CUR
694 chown root:wheel $CUR
695 fi
696 else
697 if [ -f $CUR ]; then
698 printf "\n======\n%s removed\n======\n" $file
699 diff $CUR /dev/null
700 mv -f $CUR $BACK
701 fi
702 fi
703 done
704 fi
705
706 # run skeyaudit to inform users of ready to expire S/Keys
707 #
708 if checkyesno run_skeyaudit; then
709 skeyaudit
710 fi
711
712 if [ -f /etc/security.local ]; then
713 echo ""
714 echo "Running /etc/security.local:"
715 . /etc/security.local
716 fi
717