security revision 1.48 1 #!/bin/sh -
2 #
3 # $NetBSD: security,v 1.48 2001/01/09 17:30:29 abs 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 $SECUREDIR ; exit 0' 0 2 3
47
48 # Handle backup_dir not being set in .conf file
49 backup_dir=${backup_dir:-/var/backups}
50
51 MP=/etc/master.passwd
52
53 # these is used several times.
54 awk -F: '!/^+/ { print $1 " " $3 }' $MP | sort -k2n > $MPBYUID
55 awk -F: '{ print $1 " " $9 }' $MP | sort -k2 > $MPBYPATH
56
57 # Check the master password file syntax.
58 #
59 if checkyesno check_passwd; then
60 awk -v "len=$max_loginlen" '
61 BEGIN {
62 while ( getline < "/etc/shells" > 0 ) {
63 if ($0 ~ /^\#/ || $0 ~ /^$/ )
64 continue;
65 shells[$1]++;
66 }
67 FS=":";
68 }
69
70 {
71 if ($0 ~ /^[ ]*$/) {
72 printf "Line %d is a blank line.\n", NR;
73 next;
74 }
75 if (NF != 10 && ($1 != "+" || NF != 1))
76 printf "Line %d has the wrong number of fields.\n", NR;
77 if ($1 == "+" ) {
78 if (NF != 1 && $3 == 0)
79 printf "Line %d includes entries with uid 0.\n", NR;
80 next;
81 }
82 if ($1 !~ /^[A-Za-z0-9]*$/)
83 printf "Login %s has non-alphanumeric characters.\n",
84 $1;
85 if (length($1) > len)
86 printf "Login %s has more than "len" characters.\n", $1;
87 if ($2 == "")
88 printf "Login %s has no password.\n", $1;
89 if (length($2) != 13 && length($2) != 20 && $2 != "") {
90 if ($10 == "" || shells[$10])
91 printf "Login %s is off but still has a valid shell (%s)\n",
92 $1, $10;
93 } else if (! shells[$10])
94 printf "Login %s does not have a valid shell (%s)\n",
95 $1, $10;
96 if ($3 == 0 && $1 != "root" && $1 != "toor")
97 printf "Login %s has a user id of 0.\n", $1;
98 if ($3 < 0)
99 printf "Login %s has a negative user id.\n", $1;
100 if ($4 < 0)
101 printf "Login %s has a negative group id.\n", $1;
102 }' < $MP > $OUTPUT
103 if [ -s $OUTPUT ] ; then
104 printf "\nChecking the $MP file:\n"
105 cat $OUTPUT
106 fi
107
108 awk -F: '{ print $1 }' $MP | sort | uniq -d > $OUTPUT
109 if [ -s $OUTPUT ] ; then
110 printf "\n$MP has duplicate user names.\n"
111 column $OUTPUT
112 fi
113
114 # To not exclude 'toor', a standard duplicate root account, from the duplicate
115 # account test, uncomment the line below (without egrep in it)and comment
116 # out the line (with egrep in it) below it.
117 #
118 # < $MPBYUID uniq -d -f 1 | awk '{ print $2 }' > $TMP2
119 < $MPBYUID egrep -v '^toor ' | uniq -d -f 1 | awk '{ print $2 }' > $TMP2
120 if [ -s $TMP2 ] ; then
121 printf "\n$MP has duplicate user id's.\n"
122 while read uid; do
123 grep -w $uid $MPBYUID
124 done < $TMP2 | column
125 fi
126 fi
127
128 # Backup the master password file; a special case, the normal backup
129 # mechanisms also print out file differences and we don't want to do
130 # that because this file has encrypted passwords in it.
131 #
132 CUR=$backup_dir/${MP##*/}.current
133 BACK=$backup_dir/${MP##*/}.backup
134 if [ -s $CUR ] ; then
135 if cmp -s $CUR $MP; then
136 :
137 else
138 cp -p $CUR $BACK
139 cp -p $MP $CUR
140 chown root:wheel $CUR
141 fi
142 else
143 cp -p $MP $CUR
144 chown root:wheel $CUR
145 fi
146
147 # Check the group file syntax.
148 #
149 if checkyesno check_group; then
150 GRP=/etc/group
151 awk -F: '{
152 if ($0 ~ /^[ ]*$/) {
153 printf "Line %d is a blank line.\n", NR;
154 next;
155 }
156 if (NF != 4 && ($1 != "+" || NF != 1))
157 printf "Line %d has the wrong number of fields.\n", NR;
158 if ($1 == "+" ) {
159 next;
160 }
161 if ($1 !~ /^[A-za-z0-9]*$/)
162 printf "Group %s has non-alphanumeric characters.\n",
163 $1;
164 if (length($1) > 8)
165 printf "Group %s has more than 8 characters.\n", $1;
166 if ($3 !~ /[0-9]*/)
167 printf "Login %s has a negative group id.\n", $1;
168 }' < $GRP > $OUTPUT
169 if [ -s $OUTPUT ] ; then
170 printf "\nChecking the $GRP file:\n"
171 cat $OUTPUT
172 fi
173
174 awk -F: '{ print $1 }' $GRP | sort | uniq -d > $OUTPUT
175 if [ -s $OUTPUT ] ; then
176 printf "\n$GRP has duplicate group names.\n"
177 column $OUTPUT
178 fi
179 fi
180
181 # Check for root paths, umask values in startup files.
182 # The check for the root paths is problematical -- it's likely to fail
183 # in other environments. Once the shells have been modified to warn
184 # of '.' in the path, the path tests should go away.
185 #
186 if checkyesno check_rootdotfiles; then
187 > $OUTPUT
188 rhome=`csh -fc "echo ~root"`
189 umaskset=no
190 list="/etc/csh.cshrc /etc/csh.login ${rhome}/.cshrc ${rhome}/.login"
191 for i in $list ; do
192 if [ -f $i ] ; then
193 if egrep '^[ \t]*umask[ \t]+[0-7]+' $i > /dev/null ; then
194 umaskset=yes
195 fi
196 # double check the umask value itself; ensure that both the
197 # 020 and 002 bits are set.
198 # we handle this in decimal initially to extract the digits,
199 # and then extract the `2' bit of each digit.
200 # this is made especially painful because
201 # bitwise operations were left out of awk.
202 egrep '^[ \t]*umask[ \t]+[0-7]+' $i |
203 awk '{ g= ($2 % 100) - ($2 % 10);
204 g /= 10;
205 g = g % 4;
206 g -= g % 2;
207 if (g != 2) { print "\tRoot umask is group writeable" }
208 o = ($2 % 10);
209 o = o % 4;
210 o -= o % 2;
211 if (o != 2) { print "\tRoot umask is other writeable" } }' |
212 sort -u >> $OUTPUT
213 SAVE_PATH=$PATH
214 unset PATH
215 /bin/csh -f -s << end-of-csh > /dev/null 2>&1
216 source $i
217 /bin/ls -ldgT \$path > $TMP1
218 end-of-csh
219 PATH=$SAVE_PATH
220 awk '{
221 if ($10 ~ /^\.$/) {
222 print "\tThe root path includes .";
223 next;
224 }
225 }
226 $1 ~ /^d....w/ \
227 { print "\tRoot path directory " $10 " is group writeable." } \
228 $1 ~ /^d.......w/ \
229 { print "\tRoot path directory " $10 " is other writeable." }' \
230 < $TMP1 >> $OUTPUT
231 fi
232 done
233 if [ $umaskset = "no" -o -s $OUTPUT ] ; then
234 printf "\nChecking root csh paths, umask values:\n$list\n\n"
235 if [ -s $OUTPUT ]; then
236 cat $OUTPUT
237 fi
238 if [ $umaskset = "no" ] ; then
239 printf "\tRoot csh startup files do not set the umask.\n"
240 fi
241 fi
242
243 > $OUTPUT
244 rhome=/root
245 umaskset=no
246 list="/etc/profile ${rhome}/.profile"
247 for i in $list; do
248 if [ -f $i ] ; then
249 if egrep umask $i > /dev/null ; then
250 umaskset=yes
251 fi
252 egrep umask $i |
253 awk '$2 % 100 < 20 \
254 { print "\tRoot umask is group writeable" } \
255 $2 % 10 < 2 \
256 { print "\tRoot umask is other writeable" }' \
257 >> $OUTPUT
258 SAVE_PATH=$PATH
259 unset PATH
260 /bin/sh << end-of-sh > /dev/null 2>&1
261 . $i
262 list=\`echo \$PATH | /usr/bin/sed -e \
263 's/^:/.:/;s/:$/:./;s/::/:.:/g;s/:/ /g'\`
264 /bin/ls -ldgT \$list > $TMP1
265 end-of-sh
266 PATH=$SAVE_PATH
267 awk '{
268 if ($10 ~ /^\.$/) {
269 print "\tThe root path includes .";
270 next;
271 }
272 }
273 $1 ~ /^d....w/ \
274 { print "\tRoot path directory " $10 " is group writeable." } \
275 $1 ~ /^d.......w/ \
276 { print "\tRoot path directory " $10 " is other writeable." }' \
277 < $TMP1 >> $OUTPUT
278
279 fi
280 done
281 if [ $umaskset = "no" -o -s $OUTPUT ] ; then
282 printf "\nChecking root sh paths, umask values:\n$list\n"
283 if [ -s $OUTPUT ]; then
284 cat $OUTPUT
285 fi
286 if [ $umaskset = "no" ] ; then
287 printf "\tRoot sh startup files do not set the umask.\n"
288 fi
289 fi
290 fi
291
292 # Root and uucp should both be in /etc/ftpusers.
293 #
294 if checkyesno check_ftpusers; then
295 > $OUTPUT
296 list="uucp "`awk '$2 == 0 { print $1 }' $MPBYUID`
297 for i in $list; do
298 if /usr/libexec/ftpd -C $i ; then
299 printf "\t$i is not denied\n" >> $OUTPUT
300 fi
301 done
302 if [ -s $OUTPUT ]; then
303 printf "\nChecking the /etc/ftpusers configuration:\n"
304 cat $OUTPUT
305 fi
306 fi
307
308 # Uudecode should not be in the /etc/mail/aliases file.
309 #
310 if checkyesno check_aliases; then
311 for f in /etc/mail/aliases /etc/aliases; do
312 if [ -f $f ] && egrep '^[^#]*(uudecode|decode).*\|' $f; then
313 printf "\nEntry for uudecode in $f file.\n"
314 fi
315 done
316 fi
317
318 # Files that should not have + signs.
319 #
320 if checkyesno check_rhosts; then
321 list="/etc/hosts.equiv /etc/hosts.lpd"
322 for f in $list ; do
323 if [ -f $f ] && egrep '\+' $f > /dev/null ; then
324 printf "\nPlus sign in $f file.\n"
325 fi
326 done
327
328 # Check for special users with .rhosts files. Only root and toor should
329 # have .rhosts files. Also, .rhosts files should not have plus signs.
330 awk -F: '$1 != "root" && $1 != "toor" && \
331 ($3 < 100 || $1 == "ftp" || $1 == "uucp") \
332 { print $1 " " $9 }' $MP |
333 sort -k2 |
334 while read uid homedir; do
335 if [ -f ${homedir}/.rhosts ] ; then
336 rhost=`ls -ldgT ${homedir}/.rhosts`
337 printf -- "$uid: $rhost\n"
338 fi
339 done > $OUTPUT
340 if [ -s $OUTPUT ] ; then
341 printf "\nChecking for special users with .rhosts files.\n"
342 cat $OUTPUT
343 fi
344
345 while read uid homedir; do
346 if [ -f ${homedir}/.rhosts -a -r ${homedir}/.rhosts ] && \
347 cat -f ${homedir}/.rhosts | egrep '\+' > /dev/null ; then
348 printf -- "$uid: + in .rhosts file.\n"
349 fi
350 done < $MPBYPATH > $OUTPUT
351 if [ -s $OUTPUT ] ; then
352 printf "\nChecking .rhosts files syntax.\n"
353 cat $OUTPUT
354 fi
355 fi
356
357 # Check home directories. Directories should not be owned by someone else
358 # or writeable.
359 #
360 if checkyesno check_homes; then
361 while read uid homedir; do
362 if [ -d ${homedir}/ ] ; then
363 file=`ls -ldgT ${homedir}`
364 printf -- "$uid $file\n"
365 fi
366 done < $MPBYPATH |
367 awk '$1 != $4 && $4 != "root" \
368 { print "user " $1 " home directory is owned by " $4 }
369 $2 ~ /^-....w/ \
370 { print "user " $1 " home directory is group writeable" }
371 $2 ~ /^-.......w/ \
372 { print "user " $1 " home directory is other writeable" }' \
373 > $OUTPUT
374 if [ -s $OUTPUT ] ; then
375 printf "\nChecking home directories.\n"
376 cat $OUTPUT
377 fi
378
379 # Files that should not be owned by someone else or readable.
380 list=".Xauthority .netrc"
381 while read uid homedir; do
382 for f in $list ; do
383 file=${homedir}/${f}
384 if [ -f $file ] ; then
385 printf -- "$uid $f `ls -ldgT $file`\n"
386 fi
387 done
388 done < $MPBYPATH |
389 awk '$1 != $5 && $5 != "root" \
390 { print "user " $1 " " $2 " file is owned by " $5 }
391 $3 ~ /^-...r/ \
392 { print "user " $1 " " $2 " file is group readable" }
393 $3 ~ /^-......r/ \
394 { print "user " $1 " " $2 " file is other readable" }
395 $3 ~ /^-....w/ \
396 { print "user " $1 " " $2 " file is group writeable" }
397 $3 ~ /^-.......w/ \
398 { print "user " $1 " " $2 " file is other writeable" }' \
399 > $OUTPUT
400
401 # Files that should not be owned by someone else or writeable.
402 list=".bash_history .bash_login .bash_logout .bash_profile .bashrc \
403 .cshrc .emacs .exrc .forward .history .klogin .login .logout \
404 .profile .qmail .rc_history .rhosts .tcshrc .twmrc .xinitrc \
405 .xsession"
406 while read uid homedir; do
407 for f in $list ; do
408 file=${homedir}/${f}
409 if [ -f $file ] ; then
410 printf -- "$uid $f `ls -ldgT $file`\n"
411 fi
412 done
413 done < $MPBYPATH |
414 awk '$1 != $5 && $5 != "root" \
415 { print "user " $1 " " $2 " file is owned by " $5 }
416 $3 ~ /^-....w/ \
417 { print "user " $1 " " $2 " file is group writeable" }
418 $3 ~ /^-.......w/ \
419 { print "user " $1 " " $2 " file is other writeable" }' \
420 >> $OUTPUT
421 if [ -s $OUTPUT ] ; then
422 printf "\nChecking dot files.\n"
423 cat $OUTPUT
424 fi
425 fi
426
427 # Mailboxes should be owned by user and unreadable.
428 #
429 if checkyesno check_varmail; then
430 ls -l /var/mail | sed 1d | \
431 awk '$3 != $9 \
432 { print "user " $9 " mailbox is owned by " $3 }
433 $1 != "-rw-------" \
434 { print "user " $9 " mailbox is " $1 ", group " $4 }' > $OUTPUT
435 if [ -s $OUTPUT ] ; then
436 printf "\nChecking mailbox ownership.\n"
437 cat $OUTPUT
438 fi
439 fi
440
441 # NFS exports shouldn't be globally exported
442 #
443 if checkyesno check_nfs && [ -f /etc/exports ]; then
444 awk '{
445 # ignore comments and blank lines
446 if ($0 ~ /^\#/ || $0 ~ /^$/ )
447 next;
448
449 readonly = 0;
450 for (i = 2; i <= NF; ++i) {
451 if ($i ~ /-ro/)
452 readonly = 1;
453 else if ($i !~ /^-/)
454 next;
455 }
456 if (readonly)
457 print "File system " $1 " globally exported, read-only."
458 else
459 print "File system " $1 " globally exported, read-write."
460 }' < /etc/exports > $OUTPUT
461 if [ -s $OUTPUT ] ; then
462 printf "\nChecking for globally exported file systems.\n"
463 cat $OUTPUT
464 fi
465 fi
466
467 # Display any changes in setuid files and devices.
468 #
469 if checkyesno check_devices; then
470 > $ERR
471 (find / \( ! -fstype local -o -fstype fdesc -o -fstype kernfs \
472 -o -fstype procfs \) -a -prune -o \
473 \( \( -perm -u+s -a ! -type d \) -o \
474 \( -perm -g+s -a ! -type d \) -o \
475 -type b -o -type c \) -print0 | \
476 xargs -0 ls -ldgTq | sort +9 > $LIST) 2> $OUTPUT
477
478 # Display any errors that occurred during system file walk.
479 if [ -s $OUTPUT ] ; then
480 printf "Setuid/device find errors:\n" >> $ERR
481 cat $OUTPUT >> $ERR
482 printf "\n" >> $ERR
483 fi
484
485 # Display any changes in the setuid file list.
486 egrep -v '^[bc]' $LIST > $TMP1
487 if [ -s $TMP1 ] ; then
488 # Check to make sure uudecode isn't setuid.
489 if grep -w uudecode $TMP1 > /dev/null ; then
490 printf "\nUudecode is setuid.\n" >> $ERR
491 fi
492
493 CUR=$backup_dir/setuid.current
494 BACK=$backup_dir/setuid.backup
495
496 if [ -s $CUR ] ; then
497 if cmp -s $CUR $TMP1 ; then
498 :
499 else
500 > $TMP2
501 join -110 -210 -v2 $CUR $TMP1 > $OUTPUT
502 if [ -s $OUTPUT ] ; then
503 printf "Setuid additions:\n" >> $ERR
504 tee -a $TMP2 < $OUTPUT >> $ERR
505 printf "\n" >> $ERR
506 fi
507
508 join -110 -210 -v1 $CUR $TMP1 > $OUTPUT
509 if [ -s $OUTPUT ] ; then
510 printf "Setuid deletions:\n" >> $ERR
511 tee -a $TMP2 < $OUTPUT >> $ERR
512 printf "\n" >> $ERR
513 fi
514
515 sort -k10 $TMP2 $CUR $TMP1 | \
516 sed -e 's/[ ][ ]*/ /g' | \
517 uniq -u > $OUTPUT
518 if [ -s $OUTPUT ] ; then
519 printf "Setuid changes:\n" >> $ERR
520 column -t $OUTPUT >> $ERR
521 printf "\n" >> $ERR
522 fi
523
524 cp $CUR $BACK
525 cp $TMP1 $CUR
526 fi
527 else
528 printf "Setuid additions:\n" >> $ERR
529 column -t $TMP1 >> $ERR
530 printf "\n" >> $ERR
531 cp $TMP1 $CUR
532 fi
533 fi
534
535 # Check for block and character disk devices that are readable or
536 # writeable or not owned by root.operator.
537 >$TMP1
538 DISKLIST="acd ccd cd ch fd hk hp mcd md ra rb rd rl rx rz \
539 sd se ss tz uk up vnd wd xd xy"
540 # DISKLIST="$DISKLIST ct mt st wt"
541 for i in $DISKLIST; do
542 egrep "^b.*/${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1
543 egrep "^c.*/r${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1
544 done
545
546 awk '$3 != "root" || $4 != "operator" || $1 !~ /.rw-r-----/ \
547 { printf "Disk %s is user %s, group %s, permissions %s.\n", \
548 $11, $3, $4, $1; }' < $TMP1 > $OUTPUT
549 if [ -s $OUTPUT ] ; then
550 printf "\nChecking disk ownership and permissions.\n" >> $ERR
551 cat $OUTPUT >> $ERR
552 printf "\n" >> $ERR
553 fi
554
555 # Display any changes in the device file list.
556 egrep '^[bc]' $LIST | sort -k11 > $TMP1
557 if [ -s $TMP1 ] ; then
558 CUR=$backup_dir/device.current
559 BACK=$backup_dir/device.backup
560
561 if [ -s $CUR ] ; then
562 if cmp -s $CUR $TMP1 ; then
563 :
564 else
565 > $TMP2
566 join -111 -211 -v2 $CUR $TMP1 > $OUTPUT
567 if [ -s $OUTPUT ] ; then
568 printf "Device additions:\n" >> $ERR
569 tee -a $TMP2 < $OUTPUT >> $ERR
570 printf "\n" >> $ERR
571 fi
572
573 join -111 -211 -v1 $CUR $TMP1 > $OUTPUT
574 if [ -s $OUTPUT ] ; then
575 printf "Device deletions:\n" >> $ERR
576 tee -a $TMP2 < $OUTPUT >> $ERR
577 printf "\n" >> $ERR
578 fi
579
580 # Report any block device change. Ignore
581 # character devices, only the name is
582 # significant.
583 cat $TMP2 $CUR $TMP1 | \
584 sed -e '/^c/d' | \
585 sort -k11 | \
586 sed -e 's/[ ][ ]*/ /g' | \
587 uniq -u > $OUTPUT
588 if [ -s $OUTPUT ] ; then
589 printf "Block device changes:\n" >> $ERR
590 column -t $OUTPUT >> $ERR
591 printf "\n" >> $ERR
592 fi
593
594 cp $CUR $BACK
595 cp $TMP1 $CUR
596 fi
597 else
598 printf "Device additions:\n" >> $ERR
599 column -t $TMP1 >> $ERR
600 printf "\n" >> $ERR
601 cp $TMP1 $CUR >> $ERR
602 fi
603 fi
604 if [ -s $ERR ] ; then
605 printf "\nChecking setuid files and devices:\n"
606 cat $ERR
607 printf "\n"
608 fi
609 fi
610
611 # Check special files.
612 # Check system binaries.
613 #
614 # Create the mtree tree specifications using:
615 #
616 # mtree -cx -pDIR -kcksum,gid,mode,nlink,size,link,time,uid > DIR.secure
617 # chown root:wheel DIR.secure
618 # chmod 600 DIR.secure
619 #
620 # Note, this is not complete protection against Trojan horsed binaries, as
621 # the hacker can modify the tree specification to match the replaced binary.
622 # For details on really protecting yourself against modified binaries, see
623 # the mtree(8) manual page.
624 #
625 if checkyesno check_mtree; then
626 mtree -e -p / -f /etc/mtree/special > $OUTPUT
627 if [ -s $OUTPUT ]; then
628 printf "\nChecking special files and directories.\n"
629 cat $OUTPUT
630 fi
631
632 > $OUTPUT
633 for file in /etc/mtree/*.secure; do
634 [ $file = '/etc/mtree/*.secure' ] && continue
635 tree=`sed -n -e '3s/.* //p' -e 3q $file`
636 mtree -f $file -p $tree > $TMP1
637 if [ -s $TMP1 ]; then
638 printf "\nChecking $tree:\n" >> $OUTPUT
639 cat $TMP1 >> $OUTPUT
640 fi
641 done
642 if [ -s $OUTPUT ]; then
643 printf "\nChecking system binaries:\n"
644 cat $OUTPUT
645 fi
646 fi
647
648 CHANGELIST=""
649
650 # Backup disklabels of available disks
651 #
652 if checkyesno check_disklabels; then
653 # generate list of old disklabels and remove them
654 ls -1d $backup_dir/disklabel.* 2>/dev/null |
655 egrep -v '\.(backup|current)$' > $LABELS
656 xargs rm < $LABELS
657
658 disks=`iostat -x | sed 1d | awk '$1 !~ /^[cfm]d/ { print $1; }'`
659 for i in $disks; do
660 dlf="$backup_dir/disklabel.$i"
661 disklabel $i > $dlf 2>/dev/null
662 done
663
664 # append list of new disklabels, sort list
665 ls -1d $backup_dir/disklabel.* 2>/dev/null |
666 egrep -v '\.(backup|current)$' >> $LABELS
667 sort -u -o $LABELS $LABELS
668 CHANGELIST=$LABELS
669 fi
670
671 # List of files that get backed up and checked for any modifications. Each
672 # file is expected to have two backups, $backup_dir/file.{current,backup}.
673 # Any changes cause the files to rotate.
674 #
675 if checkyesno check_changelist && [ -s /etc/changelist ] ; then
676 CHANGELIST="/etc/changelist $CHANGELIST"
677 fi
678
679 if [ -n "$CHANGELIST" ]; then
680 for file in `egrep -hv "^#|$MP" $CHANGELIST`; do
681 CUR=$backup_dir/${file##*/}.current
682 BACK=$backup_dir/${file##*/}.backup
683 if [ -f $file ]; then
684 if [ -f $CUR ] ; then
685 diff $CUR $file > $OUTPUT
686 if [ -s $OUTPUT ] ; then
687 printf "\n======\n%s diffs (OLD < > NEW)\n======\n" $file
688 cat $OUTPUT
689 mv -f $CUR $BACK
690 cp -p $file $CUR
691 chown root:wheel $CUR
692 fi
693 else
694 printf "\n======\n%s added\n======\n" $file
695 diff /dev/null $file
696 cp -p $file $CUR
697 chown root:wheel $CUR
698 fi
699 else
700 if [ -f $CUR ]; then
701 printf "\n======\n%s removed\n======\n" $file
702 diff $CUR /dev/null
703 mv -f $CUR $BACK
704 fi
705 fi
706 done
707 fi
708
709 # run skeyaudit to inform users of ready to expire S/Keys
710 #
711 if checkyesno run_skeyaudit; then
712 skeyaudit
713 fi
714
715 if [ -f /etc/security.local ]; then
716 echo ""
717 echo "Running /etc/security.local:"
718 . /etc/security.local
719 fi
720