1 /* $NetBSD: npfext_log.c,v 1.1 2012/09/16 13:47:42 rmind Exp $ */ 2 3 /*- 4 * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Mindaugas Rasiukevicius. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __RCSID("$NetBSD: npfext_log.c,v 1.1 2012/09/16 13:47:42 rmind Exp $"); 34 35 #include <sys/types.h> 36 #include <net/if.h> 37 38 #include <string.h> 39 #include <assert.h> 40 #include <errno.h> 41 42 #include <npf.h> 43 44 int npfext_log_init(void); 45 nl_ext_t * npfext_log_construct(const char *); 46 int npfext_log_param(nl_ext_t *, const char *, const char *); 47 48 int 49 npfext_log_init(void) 50 { 51 /* Nothing to initialise. */ 52 return 0; 53 } 54 55 nl_ext_t * 56 npfext_log_construct(const char *name) 57 { 58 assert(strcmp(name, "log") == 0); 59 return npf_ext_construct(name); 60 } 61 62 int 63 npfext_log_param(nl_ext_t *ext, const char *param, const char *val __unused) 64 { 65 unsigned long if_idx; 66 67 assert(param != NULL); 68 69 if_idx = if_nametoindex(param); 70 if (if_idx == 0) { 71 return EINVAL; 72 } 73 npf_ext_param_u32(ext, "log-interface", if_idx); 74 return 0; 75 } 76