commit e6af6a01422360a5c684ce0ebda087ee97722c73
from: Omar Polo <op@omarpolo.com>
date: Tue Apr 04 19:49:45 2023 UTC

don't query empty strings

it's a "SQL logic error" apparently (not surprising.)

commit - 8da1f918a1b87dda39db426b72dab71cf816b6de
commit + e6af6a01422360a5c684ce0ebda087ee97722c73
blob - 50519239c3e8d430ee98d4bb8785e0f3a6485be1
blob + cd75c40c656b6516755731f7714583f76ba56c51
--- msearchd/server.c
+++ msearchd/server.c
@@ -285,7 +285,8 @@ server_handle(struct env *env, struct client *clt)
 	int		 err, have_results = 0;
 
 	if ((query = server_getquery(clt)) != NULL &&
-	    fts_escape(query, esc, sizeof(esc)) != -1) {
+	    fts_escape(query, esc, sizeof(esc)) != -1 &&
+	    *esc != '\0') {
 		log_debug("searching for %s", esc);
 
 		err = sqlite3_bind_text(env->env_query, 1, esc, -1, NULL);
@@ -297,7 +298,8 @@ server_handle(struct env *env, struct client *clt)
 				return (-1);
 			return (fcgi_end_request(clt, 1));
 		}
-	}
+	} else
+		query = NULL;
 
 	if (server_reply(clt, 200, "text/html") == -1)
 		goto err;