prevent zombies from occuring when stdou/stdout are held open

[openwrt.git] / openwrt / target / default / target_skeleton / bin / login

diff --git a/openwrt/target/default/target_skeleton/bin/login b/openwrt/target/default/target_skeleton/bin/login
index bf06359..bb065e5 100755 (executable)
--- a/openwrt/target/default/target_skeleton/bin/login
+++ b/openwrt/target/default/target_skeleton/bin/login
@@ -1,11 +1,20 @@
 #!/bin/sh
-[ "$FAILSAFE" = "true" ] && exec /bin/ash --login
-
-[ -f /etc/sysconf ] && . /etc/sysconf
-
-if [ "$BR2_SYSCONF_TELNET_FAILSAFE_ONLY" = "y" ]; then
-       echo "Login failed."
-       exit 0
-fi
+. /etc/sysconf 2>&-
 
+[ "$FAILSAFE" != "true" ] &&
+[ "$BR2_SYSCONF_TELNET_FAILSAFE_ONLY" = "y" ] &&
+{
+  grep '^root:[^!]' /etc/passwd >&- 2>&- &&
+  {
+    echo "Login failed."
+    exit 0
+  } || {
+cat << EOF
+ === IMPORTANT ============================
+  Use 'passwd' to set your login password
+  this will disable telnet and enable SSH
+ ------------------------------------------
+EOF
+  }
+}
 exec /bin/ash --login