summaryrefslogtreecommitdiff
path: root/eg/scan/scan_passwd
diff options
context:
space:
mode:
Diffstat (limited to 'eg/scan/scan_passwd')
-rw-r--r--eg/scan/scan_passwd30
1 files changed, 30 insertions, 0 deletions
diff --git a/eg/scan/scan_passwd b/eg/scan/scan_passwd
new file mode 100644
index 0000000000..62ef1e7794
--- /dev/null
+++ b/eg/scan/scan_passwd
@@ -0,0 +1,30 @@
+#!/usr/bin/perl
+
+# $Header: scan_passwd,v 2.0 88/06/05 00:17:49 root Exp $
+
+# This scans passwd file for security holes.
+
+open(Pass,'/etc/passwd') || die "Can't open passwd file";
+# $dotriv = (`date` =~ /^Mon/);
+$dotriv = 1;
+
+while (<Pass>) {
+ ($login,$pass,$uid,$gid,$gcos,$home,$shell) = split(/:/);
+ if ($shell eq '') {
+ print "Short: $_";
+ }
+ next if /^[+]/;
+ if ($pass eq '') {
+ if (index(":sync:lpq:+:", ":$login:") < 0) {
+ print "No pass: $login\t$gcos\n";
+ }
+ }
+ elsif ($dotriv && crypt($login,substr($pass,0,2)) eq $pass) {
+ print "Trivial: $login\t$gcos\n";
+ }
+ if ($uid == 0) {
+ if ($login !~ /^.?root$/ && $pass ne '*') {
+ print "Extra root: $_";
+ }
+ }
+}