app_io.c

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/*
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
/**
 * $Id: c8fd04bb5e374d231bcdcfa4d6e8069225f6f952 $
 * @file io/app_io.c
 * @brief APP IO utility functions
 *
 * @copyright 2018 Alan DeKok (aland@freeradius.org)
 */
#include <freeradius-devel/io/base.h>
#include <freeradius-devel/io/application.h>
#include <freeradius-devel/util/syserror.h>
#include <freeradius-devel/util/debug.h>
 
/*
 *      @todo - include the name of the virtual server, too.
 */
char const *fr_app_io_socket_name(TALLOC_CTX *ctx, fr_app_io_t const *app_io,
                                  fr_ipaddr_t const *src_ipaddr, int src_port,
                                  fr_ipaddr_t const *dst_ipaddr, int dst_port,
                                  char const *interface)
{
        char                dst_buf[128], src_buf[128];
 
        /*
         *      Get our name.
         */
        if (fr_ipaddr_is_inaddr_any(dst_ipaddr)) {
                if (dst_ipaddr->af == AF_INET) {
                        strlcpy(dst_buf, "*", sizeof(dst_buf));
                } else {
                        fr_assert(dst_ipaddr->af == AF_INET6);
                        strlcpy(dst_buf, "::", sizeof(dst_buf));
                }
        } else {
                fr_value_box_print(&FR_SBUFF_OUT(dst_buf, sizeof(dst_buf)), fr_box_ipaddr(*dst_ipaddr), NULL);
        }
 
        if (src_ipaddr) fr_value_box_print(&FR_SBUFF_OUT(src_buf, sizeof(src_buf)), fr_box_ipaddr(*src_ipaddr), NULL);
 
        if (!interface) {
                if (!src_ipaddr) {
                        return talloc_typed_asprintf(ctx, "%s server %s port %u",
                                                     app_io->common.name, dst_buf, dst_port);
                }
 
 
                return talloc_typed_asprintf(ctx, "%s from client %s port %u to server %s port %u",
                                             app_io->common.name, src_buf, src_port, dst_buf, dst_port);
        }
 
        if (!src_ipaddr) {
                return talloc_typed_asprintf(ctx, "%s server %s port %u on interface %s",
                                             app_io->common.name, dst_buf, dst_port, interface);
                }
 
 
                return talloc_typed_asprintf(ctx, "%s from client %s port %u to server %s port %u on interface %s",
                                             app_io->common.name, src_buf, src_port, dst_buf, dst_port, interface);
}