Check, that noone creates a jail called "fulljail"

1 files changed, 6 insertions, 0 deletions

diff --git a/ezjail-admin b/ezjail-admin
index 093a755..3ea5aa7 100755
--- a/ezjail-admin
+++ b/ezjail-admin
@@ -71,6 +71,12 @@ create)
   newjail_nname=`echo -n "${newjail_name}" | tr -c [:alnum:] _`
   newjail_root=${newjail_root:-"${ezjail_jaildir}/${newjail_name}"}
 
+  # This scenario really will only lead to real troubles in the 'fulljail'
+  # case, but I should still explain this to the user and not claim that
+  # "an ezjail would already exist"
+  [ "${newjail_nname}" = "basejail" -o "${newjail_nname}" = "newjail" -o "${newjail_nname}" = "fulljail" -o "${newjail_nname}" = "flavours" ] && \
+    exerr "Error: ezjail needs the ${newjail_nname} directory for its own administrative purposes. Please rename the ezjail."
+
   # jail names may lead to identical configs, eg. foo.bar.com == foo-bar.com
   # so check, whether we might be running into problems
   [ -e ${ezjail_jailcfgs}/${newjail_nname} ] && exerr "Error: an ezjail config already exists at ${ezjail_jailcfgs}/${newjail_nname}. Please rename the ezjail."