1 files changed, 54 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/eg/scan/scan_sudo b/gnu/usr.bin/perl/eg/scan/scan_sudo
new file mode 100644
index 0000000..a95a609
--- /dev/null
+++ b/gnu/usr.bin/perl/eg/scan/scan_sudo
@@ -0,0 +1,54 @@
+#!/usr/bin/perl -P
+
+# $Header: /home/cvs/386BSD/ports/lang/perl/eg/scan/scan_sudo,v 1.1.1.1 1993/08/23 21:29:45 nate Exp $
+
+# Analyze the sudo log.
+
+chdir('/usr/adm/private/memories') || die "Can't cd to memories: $!\n";
+
+if (open(Oldsudo,'oldsudo')) {
+    $maxpos = <Oldsudo>;
+    close Oldsudo;
+}
+else {
+    $maxpos = 0;
+    `echo 0 >oldsudo`;
+}
+
+unless (open(Sudo, '/usr/adm/sudo.log')) {
+    print "Somebody removed sudo.log!!!\n" if $maxpos;
+    exit 0;
+}
+
+($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
+   $blksize,$blocks) = stat(Sudo);
+
+if ($size < $maxpos) {
+    $maxpos = 0;
+    print "Somebody reset sudo.log!!!\n";
+}
+
+seek(Sudo,$maxpos,0);
+
+while (<Sudo>) {
+    s/^.* :[ \t]+//;
+    s/ipcrm.*/ipcrm/;
+    s/kill.*/kill/;
+    unless ($seen{$_}++) {
+	push(@seen,$_);
+    }
+    $last = $_;
+}
+$max = tell(Sudo);
+
+open(tmp,'|sort >oldsudo.tmp') || die "Can't create tmp file: $!\n";
+while ($_ = pop(@seen)) {
+    print tmp $_;
+}
+close(tmp);
+open(tmp,'oldsudo.tmp') || die "Can't reopen tmp file: $!\n";
+while (<tmp>) {
+    print $seen{$_},":\t",$_;
+}
+
+print `(rm -f oldsudo.tmp; echo $max > oldsudo) 2>&1`;