1/* $NetBSD: blacklistctl.c,v 1.21 2016/11/02 03:15:07 jnemeth Exp $ */ 2 3/*- 4 * Copyright (c) 2015 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 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#ifdef HAVE_CONFIG_H 32#include "config.h" 33#endif 34 35#include <sys/cdefs.h> 36__RCSID("$NetBSD: blacklistctl.c,v 1.21 2016/11/02 03:15:07 jnemeth Exp $"); 37 38#include <stdio.h> 39#include <time.h> 40#ifdef HAVE_LIBUTIL_H 41#include <libutil.h> 42#endif 43#ifdef HAVE_UTIL_H 44#include <util.h> 45#endif 46#include <fcntl.h> 47#include <string.h> 48#include <syslog.h> 49#include <err.h> 50#include <stdlib.h> 51#include <unistd.h> 52#include <sys/socket.h> 53 54#include "conf.h" 55#include "state.h" 56#include "internal.h" 57#include "support.h" 58 59static __dead void 60usage(int c) 61{ 62 if (c == 0) 63 warnx("Missing/unknown command"); 64 else 65 warnx("Unknown option `%c'", (char)c); 66 fprintf(stderr, "Usage: %s dump [-abdnrw]\n", getprogname()); 67 exit(EXIT_FAILURE); 68} 69 70int 71main(int argc, char *argv[]) 72{ 73 const char *dbname = _PATH_BLSTATE; 74 DB *db; 75 struct conf c; 76 struct dbinfo dbi; 77 unsigned int i; 78 struct timespec ts; 79 int all, blocked, remain, wide, noheader; 80 int o; 81 82 noheader = wide = blocked = all = remain = 0; 83 lfun = dlog; 84 85 if (argc == 1 || strcmp(argv[1], "dump") != 0) 86 usage(0); 87 88 argc--; 89 argv++; 90 91 while ((o = getopt(argc, argv, "abD:dnrw")) != -1) 92 switch (o) { 93 case 'a': 94 all = 1; 95 blocked = 0; 96 break; 97 case 'b': 98 blocked = 1; 99 break; 100 case 'D': 101 dbname = optarg; 102 break; 103 case 'd': 104 debug++; 105 break; 106 case 'n': 107 noheader = 1; 108 break; 109 case 'r': 110 remain = 1; 111 break; 112 case 'w': 113 wide = 1; 114 break; 115 default: 116 usage(o); 117 break; 118 } 119 120 db = state_open(dbname, O_RDONLY, 0); 121 if (db == NULL) 122 err(EXIT_FAILURE, "Can't open `%s'", dbname); 123 124 clock_gettime(CLOCK_REALTIME, &ts); 125 wide = wide ? 8 * 4 + 7 : 4 * 3 + 3; 126 if (!noheader) 127 printf("%*.*s/ma:port\tid\tnfail\t%s\n", wide, wide, 128 "address", remain ? "remaining time" : "last access"); 129 for (i = 1; state_iterate(db, &c, &dbi, i) != 0; i = 0) { 130 char buf[BUFSIZ]; 131 if (!all) { 132 if (blocked) { 133 if (dbi.count < c.c_nfail) 134 continue; 135 } else { 136 if (dbi.count >= c.c_nfail) 137 continue; 138 } 139 } 140 sockaddr_snprintf(buf, sizeof(buf), "%a", (void *)&c.c_ss); 141 printf("%*.*s/%d:%d\t", wide, wide, buf, c.c_lmask, c.c_port); 142 if (remain) 143 fmtydhms(buf, sizeof(buf), 144 c.c_duration - (ts.tv_sec - dbi.last)); 145 else 146 fmttime(buf, sizeof(buf), dbi.last); 147 printf("%s\t%d/%d\t%-s\n", dbi.id, dbi.count, c.c_nfail, buf); 148 } 149 state_close(db); 150 return EXIT_SUCCESS; 151} 152