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
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.$$
23 if ! mkdir $SECUREDIR; then
24 echo can not create $SECUREDIR.
25 exit 1
26 fi
27
28 if ! cd $SECUREDIR; then
29 echo can not chdir to $SECUREDIR.
30 exit 1
31 fi
32
33 if [ -z "$max_loginlen" ];then
34 max_loginlen=8
35 fi
36
37 if [ -z "$max_grouplen" ]; then
38 max_grouplen=8
39 fi
40
41 ERR=secure1.$$
42 TMP1=secure2.$$
43 TMP2=secure3.$$
44 MPBYUID=secure4.$$
45 MPBYPATH=secure5.$$
46 LIST=secure6.$$
47 OUTPUT=secure7.$$
48 LABELS=secure8.$$
49
50 trap '/bin/rm -rf $SECUREDIR ; exit 0' 0 2 3
51
52 # Handle backup_dir not being set in .conf file
53 backup_dir=${backup_dir:-/var/backups}
54
55 MP=/etc/master.passwd
56
57 # these is used several times.
58 awk -F: '!/^+/ { print $1 " " $3 }' $MP | sort -k2n > $MPBYUID
59 awk -F: '{ print $1 " " $9 }' $MP | sort -k2 > $MPBYPATH
60
61 # Check the master password file syntax.
62 #
63 if checkyesno check_passwd; then
64 awk -v "len=$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 < $TMP2 | column
129 fi
130 fi
131
132 # Backup the master password file; a special case, the normal backup
133 # mechanisms also print out file differences and we don't want to do
134 # that because this file has encrypted passwords in it.
135 #
136 CUR=$backup_dir/${MP##*/}.current
137 BACK=$backup_dir/${MP##*/}.backup
138 if [ -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
146 else
147 cp -p $MP $CUR
148 chown root:wheel $CUR
149 fi
150
151 # Check the group file syntax.
152 #
153 if checkyesno check_group; then
154 GRP=/etc/group
155 awk -F: -v "len=$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
183 fi
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 #
190 if 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 > $TMP1
222 end-of-csh
223 PATH=$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 > $TMP1
269 end-of-sh
270 PATH=$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
294 fi
295
296 # Root and uucp should both be in /etc/ftpusers.
297 #
298 if 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
310 fi
311
312 # Uudecode should not be in the /etc/mail/aliases file.
313 #
314 if 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
320 fi
321
322 # Files that should not have + signs.
323 #
324 if 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
359 fi
360
361 # Check home directories. Directories should not be owned by someone else
362 # or writeable.
363 #
364 if 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
429 fi
430
431 # Mailboxes should be owned by user and unreadable.
432 #
433 if 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
443 fi
444
445 # NFS exports shouldn't be globally exported
446 #
447 if 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
469 fi
470
471 # Display any changes in setuid files and devices.
472 #
473 if 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
613 fi
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 #
629 if 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
650 fi
651
652 CHANGELIST=""
653
654 # Backup disklabels of available disks
655 #
656 if 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
673 fi
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 #
679 if checkyesno check_changelist && [ -s /etc/changelist ] ; then
680 CHANGELIST="/etc/changelist $CHANGELIST"
681 fi
682
683 if [ -n "$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
711 fi
712
713 # run skeyaudit to inform users of ready to expire S/Keys
714 #
715 if checkyesno run_skeyaudit; then
716 skeyaudit
717 fi
718
719 if [ -f /etc/security.local ]; then
720 echo ""
721 echo "Running /etc/security.local:"
722 . /etc/security.local
723 fi
724