security revision 1.61 1 #!/bin/sh -
2 #
3 # $NetBSD: security,v 1.61 2001/09/24 03:19:43 lukem 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=`mktemp -d /tmp/_securedir.XXXXXX` || exit 1
23
24 trap "/bin/rm -rf $SECUREDIR ; exit 0" EXIT INT QUIT
25
26 if ! cd "$SECUREDIR"; then
27 echo "Can not cd to $SECUREDIR".
28 exit 1
29 fi
30
31 if [ -z "$max_loginlen" ];then
32 max_loginlen=8
33 fi
34
35 if [ -z "$max_grouplen" ]; then
36 max_grouplen=8
37 fi
38
39 ERR=secure1.$$
40 TMP1=secure2.$$
41 TMP2=secure3.$$
42 MPBYUID=secure4.$$
43 MPBYPATH=secure5.$$
44 LIST=secure6.$$
45 OUTPUT=secure7.$$
46 LABELS=secure8.$$
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 ($1 !~ /^[A-Za-z0-9]([-A-Za-z0-9]*[A-Za-z0-9])*$/)
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 &&
90 length($2) != 20 &&
91 length($2) != 34 &&
92 $2 != "" &&
93 $2 !~ /^\*[A-z-]+$/ &&
94 $1 != "toor") {
95 if ($10 == "" || shells[$10])
96 printf "Login %s is off but still has a valid shell (%s)\n",
97 $1, $10;
98 } else if (! shells[$10])
99 printf "Login %s does not have a valid shell (%s)\n",
100 $1, $10;
101 if ($3 == 0 && $1 != "root" && $1 != "toor")
102 printf "Login %s has a user id of 0.\n", $1;
103 if ($3 < 0)
104 printf "Login %s has a negative user id.\n", $1;
105 if ($4 < 0)
106 printf "Login %s has a negative group id.\n", $1;
107 }' < $MP > $OUTPUT
108 if [ -s $OUTPUT ] ; then
109 printf "\nChecking the $MP file:\n"
110 cat $OUTPUT
111 fi
112
113 awk -F: '{ print $1 }' $MP | sort | uniq -d > $OUTPUT
114 if [ -s $OUTPUT ] ; then
115 printf "\n$MP has duplicate user names.\n"
116 column $OUTPUT
117 fi
118
119 # To not exclude 'toor', a standard duplicate root account, from the duplicate
120 # account test, uncomment the line below (without egrep in it)and comment
121 # out the line (with egrep in it) below it.
122 #
123 # < $MPBYUID uniq -d -f 1 | awk '{ print $2 }' > $TMP2
124 < $MPBYUID egrep -v '^toor ' | uniq -d -f 1 | awk '{ print $2 }' > $TMP2
125 if [ -s $TMP2 ] ; then
126 printf "\n$MP has duplicate user id's.\n"
127 while read uid; do
128 grep -w $uid $MPBYUID
129 done < $TMP2 | column
130 fi
131 fi
132
133 # Backup the master password file; a special case, the normal backup
134 # mechanisms also print out file differences and we don't want to do
135 # that because this file has encrypted passwords in it.
136 #
137 CUR=$backup_dir/${MP##*/}.current
138 BACK=$backup_dir/${MP##*/}.backup
139 if [ -s $CUR ] ; then
140 if cmp -s $CUR $MP; then
141 :
142 else
143 backup_file update $MP $CUR $BACK
144 fi
145 else
146 backup_file add $MP $CUR $BACK
147 fi
148
149 # Check the group file syntax.
150 #
151 if checkyesno check_group; then
152 GRP=/etc/group
153 awk -F: -v "len=$max_grouplen" '{
154 if ($0 ~ /^[ ]*$/) {
155 printf "Line %d is a blank line.\n", NR;
156 next;
157 }
158 if (NF != 4 && ($1 != "+" || NF != 1))
159 printf "Line %d has the wrong number of fields.\n", NR;
160 if ($1 == "+" ) {
161 next;
162 }
163 if ($1 !~ /^[A-Za-z0-9]([-A-Za-z0-9]*[A-Za-z0-9])*$/)
164 printf "Group %s has non-alphanumeric characters.\n",
165 $1;
166 if (length($1) > len)
167 printf "Group %s has more than "len" characters.\n", $1;
168 if ($3 !~ /[0-9]*/)
169 printf "Login %s has a negative group id.\n", $1;
170 }' < $GRP > $OUTPUT
171 if [ -s $OUTPUT ] ; then
172 printf "\nChecking the $GRP file:\n"
173 cat $OUTPUT
174 fi
175
176 awk -F: '{ print $1 }' $GRP | sort | uniq -d > $OUTPUT
177 if [ -s $OUTPUT ] ; then
178 printf "\n$GRP has duplicate group names.\n"
179 column $OUTPUT
180 fi
181 fi
182
183 # Check for root paths, umask values in startup files.
184 # The check for the root paths is problematical -- it's likely to fail
185 # in other environments. Once the shells have been modified to warn
186 # of '.' in the path, the path tests should go away.
187 #
188 if checkyesno check_rootdotfiles; then
189 > $OUTPUT
190 rhome=`csh -fc "echo ~root"`
191 umaskset=no
192 list="/etc/csh.cshrc /etc/csh.login ${rhome}/.cshrc ${rhome}/.login"
193 for i in $list ; do
194 if [ -f $i ] ; then
195 if egrep '^[ \t]*umask[ \t]+[0-7]+' $i > /dev/null ; then
196 umaskset=yes
197 fi
198 # double check the umask value itself; ensure that both the
199 # 020 and 002 bits are set.
200 # we handle this in decimal initially to extract the digits,
201 # and then extract the `2' bit of each digit.
202 # this is made especially painful because
203 # bitwise operations were left out of awk.
204 egrep '^[ \t]*umask[ \t]+[0-7]+' $i |
205 awk '{ g= ($2 % 100) - ($2 % 10);
206 g /= 10;
207 g = g % 4;
208 g -= g % 2;
209 if (g != 2) { print "\tRoot umask is group writeable" }
210 o = ($2 % 10);
211 o = o % 4;
212 o -= o % 2;
213 if (o != 2) { print "\tRoot umask is other writeable" } }' |
214 sort -u >> $OUTPUT
215 SAVE_PATH=$PATH
216 unset PATH
217 /bin/csh -f -s << end-of-csh > /dev/null 2>&1
218 source $i
219 /bin/ls -ldgT \$path > $TMP1
220 end-of-csh
221 PATH=$SAVE_PATH
222 awk '{
223 if ($10 ~ /^\.$/) {
224 print "\tThe root path includes .";
225 next;
226 }
227 }
228 $1 ~ /^d....w/ \
229 { print "\tRoot path directory " $10 " is group writeable." } \
230 $1 ~ /^d.......w/ \
231 { print "\tRoot path directory " $10 " is other writeable." }' \
232 < $TMP1 >> $OUTPUT
233 fi
234 done
235 if [ $umaskset = "no" -o -s $OUTPUT ] ; then
236 printf "\nChecking root csh paths, umask values:\n$list\n\n"
237 if [ -s $OUTPUT ]; then
238 cat $OUTPUT
239 fi
240 if [ $umaskset = "no" ] ; then
241 printf "\tRoot csh startup files do not set the umask.\n"
242 fi
243 fi
244
245 > $OUTPUT
246 rhome=/root
247 umaskset=no
248 list="/etc/profile ${rhome}/.profile"
249 for i in $list; do
250 if [ -f $i ] ; then
251 if egrep umask $i > /dev/null ; then
252 umaskset=yes
253 fi
254 egrep umask $i |
255 awk '$2 % 100 < 20 \
256 { print "\tRoot umask is group writeable" } \
257 $2 % 10 < 2 \
258 { print "\tRoot umask is other writeable" }' \
259 >> $OUTPUT
260 SAVE_PATH=$PATH
261 unset PATH
262 /bin/sh << end-of-sh > /dev/null 2>&1
263 . $i
264 list=\`echo \$PATH | /usr/bin/sed -e \
265 's/^:/.:/;s/:$/:./;s/::/:.:/g;s/:/ /g'\`
266 /bin/ls -ldgT \$list > $TMP1
267 end-of-sh
268 PATH=$SAVE_PATH
269 awk '{
270 if ($10 ~ /^\.$/) {
271 print "\tThe root path includes .";
272 next;
273 }
274 }
275 $1 ~ /^d....w/ \
276 { print "\tRoot path directory " $10 " is group writeable." } \
277 $1 ~ /^d.......w/ \
278 { print "\tRoot path directory " $10 " is other writeable." }' \
279 < $TMP1 >> $OUTPUT
280
281 fi
282 done
283 if [ $umaskset = "no" -o -s $OUTPUT ] ; then
284 printf "\nChecking root sh paths, umask values:\n$list\n"
285 if [ -s $OUTPUT ]; then
286 cat $OUTPUT
287 fi
288 if [ $umaskset = "no" ] ; then
289 printf "\tRoot sh startup files do not set the umask.\n"
290 fi
291 fi
292 fi
293
294 # Root and uucp should both be in /etc/ftpusers.
295 #
296 if checkyesno check_ftpusers; then
297 > $OUTPUT
298 list="uucp "`awk '$2 == 0 { print $1 }' $MPBYUID`
299 for i in $list; do
300 if /usr/libexec/ftpd -C $i ; then
301 printf "\t$i is not denied\n" >> $OUTPUT
302 fi
303 done
304 if [ -s $OUTPUT ]; then
305 printf "\nChecking the /etc/ftpusers configuration:\n"
306 cat $OUTPUT
307 fi
308 fi
309
310 # Uudecode should not be in the /etc/mail/aliases file.
311 #
312 if checkyesno check_aliases; then
313 for f in /etc/mail/aliases /etc/aliases; do
314 if [ -f $f ] && egrep '^[^#]*(uudecode|decode).*\|' $f; then
315 printf "\nEntry for uudecode in $f file.\n"
316 fi
317 done
318 fi
319
320 # Files that should not have + signs.
321 #
322 if checkyesno check_rhosts; then
323 list="/etc/hosts.equiv /etc/hosts.lpd"
324 for f in $list ; do
325 if [ -f $f ] && egrep '\+' $f > /dev/null ; then
326 printf "\nPlus sign in $f file.\n"
327 fi
328 done
329
330 # Check for special users with .rhosts files. Only root and toor should
331 # have .rhosts files. Also, .rhosts files should not have plus signs.
332 awk -F: '$1 != "root" && $1 != "toor" && \
333 ($3 < 100 || $1 == "ftp" || $1 == "uucp") \
334 { print $1 " " $9 }' $MP |
335 sort -k2 |
336 while read uid homedir; do
337 if [ -f ${homedir}/.rhosts ] ; then
338 rhost=`ls -ldgT ${homedir}/.rhosts`
339 printf -- "$uid: $rhost\n"
340 fi
341 done > $OUTPUT
342 if [ -s $OUTPUT ] ; then
343 printf "\nChecking for special users with .rhosts files.\n"
344 cat $OUTPUT
345 fi
346
347 while read uid homedir; do
348 if [ -f ${homedir}/.rhosts -a -r ${homedir}/.rhosts ] && \
349 cat -f ${homedir}/.rhosts | egrep '\+' > /dev/null ; then
350 printf -- "$uid: + in .rhosts file.\n"
351 fi
352 done < $MPBYPATH > $OUTPUT
353 if [ -s $OUTPUT ] ; then
354 printf "\nChecking .rhosts files syntax.\n"
355 cat $OUTPUT
356 fi
357 fi
358
359 # Check home directories. Directories should not be owned by someone else
360 # or writeable.
361 #
362 if checkyesno check_homes; then
363 while read uid homedir; do
364 if [ -d ${homedir}/ ] ; then
365 file=`ls -ldgT ${homedir}`
366 printf -- "$uid $file\n"
367 fi
368 done < $MPBYPATH |
369 awk '$1 != $4 && $4 != "root" \
370 { print "user " $1 " home directory is owned by " $4 }
371 $2 ~ /^-....w/ \
372 { print "user " $1 " home directory is group writeable" }
373 $2 ~ /^-.......w/ \
374 { print "user " $1 " home directory is other writeable" }' \
375 > $OUTPUT
376 if [ -s $OUTPUT ] ; then
377 printf "\nChecking home directories.\n"
378 cat $OUTPUT
379 fi
380
381 # Files that should not be owned by someone else or readable.
382 list=".Xauthority .netrc"
383 while read uid homedir; do
384 for f in $list ; do
385 file=${homedir}/${f}
386 if [ -f $file ] ; then
387 printf -- "$uid $f `ls -ldgT $file`\n"
388 fi
389 done
390 done < $MPBYPATH |
391 awk '$1 != $5 && $5 != "root" \
392 { print "user " $1 " " $2 " file is owned by " $5 }
393 $3 ~ /^-...r/ \
394 { print "user " $1 " " $2 " file is group readable" }
395 $3 ~ /^-......r/ \
396 { print "user " $1 " " $2 " file is other readable" }
397 $3 ~ /^-....w/ \
398 { print "user " $1 " " $2 " file is group writeable" }
399 $3 ~ /^-.......w/ \
400 { print "user " $1 " " $2 " file is other writeable" }' \
401 > $OUTPUT
402
403 # Files that should not be owned by someone else or writeable.
404 list=".bash_history .bash_login .bash_logout .bash_profile .bashrc \
405 .cshrc .emacs .exrc .forward .history .klogin .login .logout \
406 .profile .qmail .rc_history .rhosts .tcshrc .twmrc .xinitrc \
407 .xsession"
408 while read uid homedir; do
409 for f in $list ; do
410 file=${homedir}/${f}
411 if [ -f $file ] ; then
412 printf -- "$uid $f `ls -ldgT $file`\n"
413 fi
414 done
415 done < $MPBYPATH |
416 awk '$1 != $5 && $5 != "root" \
417 { print "user " $1 " " $2 " file is owned by " $5 }
418 $3 ~ /^-....w/ \
419 { print "user " $1 " " $2 " file is group writeable" }
420 $3 ~ /^-.......w/ \
421 { print "user " $1 " " $2 " file is other writeable" }' \
422 >> $OUTPUT
423 if [ -s $OUTPUT ] ; then
424 printf "\nChecking dot files.\n"
425 cat $OUTPUT
426 fi
427 fi
428
429 # Mailboxes should be owned by user and unreadable.
430 #
431 if checkyesno check_varmail; then
432 ls -l /var/mail | sed 1d | \
433 awk '$3 != $9 \
434 { print "user " $9 " mailbox is owned by " $3 }
435 $1 != "-rw-------" \
436 { print "user " $9 " mailbox is " $1 ", group " $4 }' > $OUTPUT
437 if [ -s $OUTPUT ] ; then
438 printf "\nChecking mailbox ownership.\n"
439 cat $OUTPUT
440 fi
441 fi
442
443 # NFS exports shouldn't be globally exported
444 #
445 if checkyesno check_nfs && [ -f /etc/exports ]; then
446 awk '{
447 # ignore comments and blank lines
448 if ($0 ~ /^\#/ || $0 ~ /^$/ )
449 next;
450
451 readonly = 0;
452 for (i = 2; i <= NF; ++i) {
453 if ($i ~ /-ro/)
454 readonly = 1;
455 else if ($i !~ /^-/)
456 next;
457 }
458 if (readonly)
459 print "File system " $1 " globally exported, read-only."
460 else
461 print "File system " $1 " globally exported, read-write."
462 }' < /etc/exports > $OUTPUT
463 if [ -s $OUTPUT ] ; then
464 printf "\nChecking for globally exported file systems.\n"
465 cat $OUTPUT
466 fi
467 fi
468
469 # Display any changes in setuid files and devices.
470 #
471 if checkyesno check_devices; then
472 > $ERR
473 (find / \( ! -fstype local -o -fstype fdesc -o -fstype kernfs \
474 -o -fstype procfs \) -a -prune -o \
475 \( \( -perm -u+s -a ! -type d \) -o \
476 \( -perm -g+s -a ! -type d \) -o \
477 -type b -o -type c \) -print0 | \
478 xargs -0 ls -ldgTq | sort +9 > $LIST) 2> $OUTPUT
479
480 # Display any errors that occurred during system file walk.
481 if [ -s $OUTPUT ] ; then
482 printf "Setuid/device find errors:\n" >> $ERR
483 cat $OUTPUT >> $ERR
484 printf "\n" >> $ERR
485 fi
486
487 # Display any changes in the setuid file list.
488 egrep -v '^[bc]' $LIST > $TMP1
489 if [ -s $TMP1 ] ; then
490 # Check to make sure uudecode isn't setuid.
491 if grep -w uudecode $TMP1 > /dev/null ; then
492 printf "\nUudecode is setuid.\n" >> $ERR
493 fi
494
495 CUR=$backup_dir/setuid.current
496 BACK=$backup_dir/setuid.backup
497
498 if [ -s $CUR ] ; then
499 if cmp -s $CUR $TMP1 ; then
500 :
501 else
502 > $TMP2
503 join -110 -210 -v2 $CUR $TMP1 > $OUTPUT
504 if [ -s $OUTPUT ] ; then
505 printf "Setuid additions:\n" >> $ERR
506 tee -a $TMP2 < $OUTPUT >> $ERR
507 printf "\n" >> $ERR
508 fi
509
510 join -110 -210 -v1 $CUR $TMP1 > $OUTPUT
511 if [ -s $OUTPUT ] ; then
512 printf "Setuid deletions:\n" >> $ERR
513 tee -a $TMP2 < $OUTPUT >> $ERR
514 printf "\n" >> $ERR
515 fi
516
517 sort -k10 $TMP2 $CUR $TMP1 | \
518 sed -e 's/[ ][ ]*/ /g' | \
519 uniq -u > $OUTPUT
520 if [ -s $OUTPUT ] ; then
521 printf "Setuid changes:\n" >> $ERR
522 column -t $OUTPUT >> $ERR
523 printf "\n" >> $ERR
524 fi
525
526 backup_file update $TMP1 $CUR $BACK
527 fi
528 else
529 printf "Setuid additions:\n" >> $ERR
530 column -t $TMP1 >> $ERR
531 printf "\n" >> $ERR
532 backup_file add $TMP1 $CUR $BACK
533 fi
534 fi
535
536 # Check for block and character disk devices that are readable or
537 # writeable or not owned by root.operator.
538 >$TMP1
539 DISKLIST="ccd ch hk hp ld md ra raid rb rd rl rx \
540 sd se ss uk up vnd wd xd xy"
541 # DISKLIST="$DISKLIST ct mt st wt"
542 for i in $DISKLIST; do
543 egrep "^b.*/${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1
544 egrep "^c.*/r${i}[0-9][0-9]*[a-p]$" $LIST >> $TMP1
545 done
546
547 awk '$3 != "root" || $4 != "operator" || $1 !~ /.rw-r-----/ \
548 { printf "Disk %s is user %s, group %s, permissions %s.\n", \
549 $11, $3, $4, $1; }' < $TMP1 > $OUTPUT
550 if [ -s $OUTPUT ] ; then
551 printf "\nChecking disk ownership and permissions.\n" >> $ERR
552 cat $OUTPUT >> $ERR
553 printf "\n" >> $ERR
554 fi
555
556 # Display any changes in the device file list.
557 egrep '^[bc]' $LIST | sort -k11 > $TMP1
558 if [ -s $TMP1 ] ; then
559 CUR=$backup_dir/device.current
560 BACK=$backup_dir/device.backup
561
562 if [ -s $CUR ] ; then
563 if cmp -s $CUR $TMP1 ; then
564 :
565 else
566 > $TMP2
567 join -111 -211 -v2 $CUR $TMP1 > $OUTPUT
568 if [ -s $OUTPUT ] ; then
569 printf "Device additions:\n" >> $ERR
570 tee -a $TMP2 < $OUTPUT >> $ERR
571 printf "\n" >> $ERR
572 fi
573
574 join -111 -211 -v1 $CUR $TMP1 > $OUTPUT
575 if [ -s $OUTPUT ] ; then
576 printf "Device deletions:\n" >> $ERR
577 tee -a $TMP2 < $OUTPUT >> $ERR
578 printf "\n" >> $ERR
579 fi
580
581 # Report any block device change. Ignore
582 # character devices, only the name is
583 # significant.
584 cat $TMP2 $CUR $TMP1 | \
585 sed -e '/^c/d' | \
586 sort -k11 | \
587 sed -e 's/[ ][ ]*/ /g' | \
588 uniq -u > $OUTPUT
589 if [ -s $OUTPUT ] ; then
590 printf "Block device changes:\n" >> $ERR
591 column -t $OUTPUT >> $ERR
592 printf "\n" >> $ERR
593 fi
594
595 backup_file update $TMP1 $CUR $BACK
596 fi
597 else
598 printf "Device additions:\n" >> $ERR
599 column -t $TMP1 >> $ERR
600 printf "\n" >> $ERR
601 backup_file add $TMP1 $CUR $BACK >> $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 -l -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 $backup_dir/disklabel.* 2>/dev/null |
655 egrep -v '\.(backup|current)(,v)?$' > $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 $backup_dir/disklabel.* 2>/dev/null |
666 egrep -v '\.(backup|current)(,v)?$' >> $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" $CHANGELIST`; do
681 # old changelist backup names
682 OCUR=$backup_dir/${file##*/}.current
683 OBACK=$backup_dir/${file##*/}.backup
684 # new changelist backup names
685 CUR=$backup_dir$file.current
686 BACK=$backup_dir$file.backup
687 # roll over old backups
688 if [ ! -d ${CUR%/*} ]; then
689 mkdir -p ${CUR%/*}
690 fi
691 if [ -f $OCUR -a ! -f $CUR ]; then
692 mv $OCUR $CUR
693 fi
694 if [ -f $OCUR,v -a ! -f $CUR,v ]; then
695 mv $OCUR,v $CUR,v
696 fi
697 if [ -f $OBACK -a ! -f $BACK ]; then
698 mv $OBACK $BACK
699 fi
700 # and down to work
701 if [ -f $file ]; then
702 if [ -f $CUR ] ; then
703 diff $CUR $file > $OUTPUT
704 if [ -s $OUTPUT ] ; then
705 printf "\n======\n%s diffs (OLD < > NEW)\n======\n" $file
706 cat $OUTPUT
707 backup_file update $file $CUR $BACK
708 fi
709 else
710 printf "\n======\n%s added\n======\n" $file
711 diff /dev/null $file
712 backup_file add $file $CUR $BACK
713 fi
714 else
715 if [ -f $CUR ]; then
716 printf "\n======\n%s removed\n======\n" $file
717 diff $CUR /dev/null
718 backup_file remove $file $CUR $BACK
719 fi
720 fi
721 done
722 fi
723
724 if [ -f /etc/security.local ]; then
725 echo ""
726 echo "Running /etc/security.local:"
727 . /etc/security.local
728 fi
729