doveadm kick: Run anvil commands in a sub-ioloop

Running in main ioloop can cause unexpected IO to happen, which can lead to
crashes.

diff --git a/src/doveadm/doveadm-kick.c b/src/doveadm/doveadm-kick.c
index 211d75523e61559407160c0b917b3e5e12fe6f98..62c59d0bb0edb1c924ef4781d7ca35fba6703286 100644 (file)
--- a/src/doveadm/doveadm-kick.c
+++ b/src/doveadm/doveadm-kick.c
@@ -66,10 +66,12 @@ static void kick_users_via_anvil(struct kick_context *ctx)
        const struct kick_session *session;
        string_t *cmd = t_str_new(128);
 
+       struct ioloop *ioloop = io_loop_create();
        struct anvil_client *anvil =
                anvil_client_init(ctx->who.anvil_path, NULL, 0);
        if (anvil_client_connect(anvil, TRUE) < 0) {
                doveadm_exit_code = EX_TEMPFAIL;
+               io_loop_destroy(&ioloop);
                return;
        }
 
@@ -93,9 +95,10 @@ static void kick_users_via_anvil(struct kick_context *ctx)
                anvil_client_query(anvil, str_c(cmd),
                                   ANVIL_DEFAULT_KICK_TIMEOUT_MSECS,
                                   kick_user_anvil_callback, ctx);
-               io_loop_run(current_ioloop);
+               io_loop_run(ioloop);
        }
        anvil_client_deinit(&anvil);
+       io_loop_destroy(&ioloop);
 
        doveadm_print(dec2str(ctx->kicked_count));
 }