systemctl: refuse --host with cat

This might be fixed one day, but for now it's better to fail.

https://bugzilla.redhat.com/show_bug.cgi?id=1186952

1 files changed, 5 insertions, 0 deletions

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 66c0b9949e..11b0be001f 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -4563,6 +4563,11 @@ static int cat(sd_bus *bus, char **args) {
 
         assert(args);
 
+        if (arg_host) {
+                log_error("Option --host cannot be used with 'cat'");
+                return -EINVAL;
+        }
+
         r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
         if (r < 0)
                 return r;