From: John Crispin <john@phrozen.org>
Date: Sat, 17 Sep 2016 02:21:25 +0000 (+0200)
Subject: base-files: remind users to set root password
X-Git-Tag: v17.01.0-rc1~1420
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=commitdiff_plain;h=63bd73a5cfc3501c7fbeacb629da12d8278ea352;ds=sidebyside

base-files: remind users to set root password

print a warning when a shell spawns, telling users to set a root password.

Signed-off-by: John Crispin <john@phrozen.org>
---

diff --git a/package/base-files/files/etc/profile b/package/base-files/files/etc/profile
index f2def7fc0b..d70bafca49 100644
--- a/package/base-files/files/etc/profile
+++ b/package/base-files/files/etc/profile
@@ -29,3 +29,16 @@ alias ll='ls -alF --color=auto'
 	done
 	unset FILE
 }
+
+if ( grep -qsE '^root:[!x]?:' /etc/shadow && \
+     grep -qsE '^root:[!x]?:' /etc/passwd  && \
+     [ -z "$FAILSAFE" ] )
+then
+cat << EOF
+=== WARNING! =====================================
+There is no root password defined on this device!
+Use the "passwd" command to set up a new password
+in order to prevent unauthorized SSH logins.
+--------------------------------------------------
+EOF
+fi