/* Copyright (c) 2013-2018 Dovecot authors, see the included COPYING file */

#include "lib.h"

#include "smtp-server-private.h"

/* QUIT command */

void smtp_server_cmd_quit(struct smtp_server_cmd_ctx *cmd,

            const char *params)

{

  struct smtp_server_connection *conn = cmd->conn;

  struct smtp_server_command *command = cmd->cmd;

  const struct smtp_server_callbacks *callbacks = conn->callbacks;

  int ret;

  /* "QUIT" CRLF */

  if (*params != '\0') {

    smtp_server_reply(cmd,

      501, "5.5.4", "Invalid parameters");

    return;

  }

  smtp_server_connection_input_halt(conn);

  smtp_server_command_ref(command);

  if (callbacks != NULL && callbacks->conn_cmd_quit != NULL) {

    /* specific implementation of QUIT command */

    if ((ret = callbacks->conn_cmd_quit(conn->context, cmd)) <= 0) {

      i_assert(ret == 0 ||

         smtp_server_command_is_replied(command));

      /* command is waiting for external event or it failed */

      smtp_server_command_unref(&command);

      return;

    }

  }

  if (!smtp_server_command_is_replied(command)) {

    /* set generic QUIT success reply if none is provided */

    smtp_server_reply_quit(cmd);

  }

  smtp_server_command_unref(&command);

}