Code:
    #!/usr/bin/perl -w         
use strict;

my $setuidtoday = "/var/log/setuid.today";
my $setuidyest = "/var/log/setuid.yesterday";
my $DIFF = "/usr/bin/diff -u";
my $out = `$DIFF $setuidtoday $setuidyest`;

print "Content-type: text/html\n\n";
print "<HTML><TITLE>SET SUID FILE CHECK</TITLE>\n";
print "<BODY BGCOLOR=#000000 Text=#008000 link=#00c000 vlink=lightblue
+>\n";
print "<H1>SET SUID FILE CHECK</H1>\n";

if(-e $setuidtoday && -e $setuidyest) {
        print "<H6>Setuid lists exist!</H6>\n";
        print "<CODE><BR>\n";
        print "$out\n";
    }

#print `$DIFF $setuidtoday $setuidyest`;    
print "</BODY></HTML>";

    [download]
CLI output:
    Content-type: text/html

<HTML><TITLE>SET SUID FILE CHECK</TITLE>
<BODY BGCOLOR=#000000 Text=#008000 link=#00c000 vlink=lightblue>
<H1>SET SUID FILE CHECK</H1>
<H6>Setuid lists exist!</H6>
<CODE><BR>
--- /var/log/setuid.today       Wed Jul 12 03:03:52 2006
+++ /var/log/setuid.yesterday   Fri Jun 30 03:03:13 2006
@@ -3,11 +3,11 @@
 31837 -r-sr-xr-x  1 root  wheel      21792 Nov  3 08:10:37 2005 /sbin
+/ping
 31838 -r-sr-xr-x  1 root  wheel      28660 Nov  3 08:10:37 2005 /sbin
+/ping6
 31850 -r-sr-x---  1 root  operator   10148 Nov  3 08:10:38 2005 /sbin
+/shutdown
-1040389 -rws--x--x  1 root  wheel     3348 Oct 12 20:39:40 2005 /usr/
+X11R6/bin/Eterm
+1040389 -rws--x--x  1 root   wheel       3348 Oct 12 20:39:40 2005 /u
+sr/X11R6/bin/Eterm
 1040154 -rws--x--x  1 root   wheel    1664917 Oct 12 17:23:09 2005 /u
+sr/X11R6/bin/Xorg
-1040397 -rws--x--x  1 root  wheel    94008 Oct 12 15:44:09 2005 /usr/
+X11R6/bin/aterm
</BODY></HTML>

    [download]
WWW output:
    <HTML><TITLE>SET SUID FILE CHECK</TITLE>
<BODY BGCOLOR=#000000 Text=#008000 link=#00c000 vlink=lightblue>
<H1>SET SUID FILE CHECK</H1>
<H6>Setuid lists exist!</H6>
<CODE><BR>

</BODY></HTML>

    [download]

I really dont get this. file permissions are correct too.

n00dles
lynx.neocyber.info

In reply to Re: SUID check by n00dles
in thread SUID check by n00dles

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