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-rw-r--r--gnu/usr.bin/perl/eg/scan/scan_suid84
1 files changed, 84 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/eg/scan/scan_suid b/gnu/usr.bin/perl/eg/scan/scan_suid
new file mode 100644
index 0000000..a730e0a
--- /dev/null
+++ b/gnu/usr.bin/perl/eg/scan/scan_suid
@@ -0,0 +1,84 @@
+#!/usr/bin/perl -P
+
+# $Header: /home/cvs/386BSD/ports/lang/perl/eg/scan/scan_suid,v 1.1.1.1 1993/08/23 21:29:44 nate Exp $
+
+# Look for new setuid root files.
+
+chdir '/usr/adm/private/memories' || die "Can't cd to memories: $!\n";
+
+($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
+ $blksize,$blocks) = stat('oldsuid');
+if ($nlink) {
+ $lasttime = $mtime;
+ $tmp = $ctime - $atime;
+ if ($tmp <= 0 || $tmp >= 10) {
+ print "WARNING: somebody has read oldsuid!\n";
+ }
+ $tmp = $ctime - $mtime;
+ if ($tmp <= 0 || $tmp >= 10) {
+ print "WARNING: somebody has modified oldsuid!!!\n";
+ }
+} else {
+ $lasttime = time - 60 * 60 * 24; # one day ago
+}
+$thistime = time;
+
+#if defined(mc300) || defined(mc500) || defined(mc700)
+open(Find, 'find / -perm -04000 -print |') ||
+ die "scan_find: can't run find";
+#else
+open(Find, 'find / \( -fstype nfs -prune \) -o -perm -04000 -ls |') ||
+ die "scan_find: can't run find";
+#endif
+
+open(suid, '>newsuid.tmp');
+
+while (<Find>) {
+
+#if defined(mc300) || defined(mc500) || defined(mc700)
+ $x = `/bin/ls -il $_`;
+ $_ = $x;
+ s/^ *//;
+ ($inode,$perm,$links,$owner,$group,$size,$month,$day,$time,$name)
+ = split;
+#else
+ s/^ *//;
+ ($inode,$blocks,$perm,$links,$owner,$group,$size,$month,$day,$time,$name)
+ = split;
+#endif
+
+ if ($perm =~ /[sS]/ && $owner eq 'root') {
+ ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
+ $blksize,$blocks) = stat($name);
+ $foo = sprintf("%10s%3s %-8s %-8s%9s %3s %2s %s %s\n",
+ $perm,$links,$owner,$group,$size,$month,$day,$name,$inode);
+ print suid $foo;
+ if ($ctime > $lasttime) {
+ if ($ctime > $thistime) {
+ print "Future file: $foo";
+ }
+ else {
+ $ct .= $foo;
+ }
+ }
+ }
+}
+close(suid);
+
+print `sort +7 -8 newsuid.tmp >newsuid 2>&1`;
+$foo = `/bin/diff oldsuid newsuid 2>&1`;
+print "Differences in suid info:\n",$foo if $foo;
+print `mv oldsuid oldoldsuid 2>&1; mv newsuid oldsuid 2>&1`;
+print `touch oldsuid 2>&1;sleep 2 2>&1;chmod o+w oldsuid 2>&1`;
+print `rm -f newsuid.tmp 2>&1`;
+
+@ct = split(/\n/,$ct);
+$ct = '';
+$* = 1;
+while ($#ct >= 0) {
+ $tmp = shift(@ct);
+ unless ($foo =~ "^>.*$tmp\n") { $ct .= "$tmp\n"; }
+}
+
+print "Inode changed since last time:\n",$ct if $ct;
+
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