1 /* $NetBSD: blocklistctl.c,v 1.5 2025/10/25 16:56:10 christos 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 #ifdef HAVE_SYS_CDEFS_H 36 #include <sys/cdefs.h> 37 #endif 38 __RCSID("$NetBSD: blocklistctl.c,v 1.5 2025/10/25 16:56:10 christos Exp $"); 39 40 #include <stdio.h> 41 #include <time.h> 42 #ifdef HAVE_LIBUTIL_H 43 #include <libutil.h> 44 #endif 45 #ifdef HAVE_UTIL_H 46 #include <util.h> 47 #endif 48 #include <fcntl.h> 49 #include <string.h> 50 #include <syslog.h> 51 #include <err.h> 52 #include <stdlib.h> 53 #include <unistd.h> 54 #include <sys/socket.h> 55 56 #include "conf.h" 57 #include "state.h" 58 #include "internal.h" 59 #include "support.h" 60 61 static __dead void 62 usage(int c) 63 { 64 if (c == 0) 65 warnx("Missing/unknown command"); 66 else if (c != '?') 67 warnx("Unknown option `%c'", (char)c); 68 fprintf(stderr, 69 "Usage: %s dump [-abdnrw] [-D dbname]\n", getprogname()); 70 exit(EXIT_FAILURE); 71 } 72 73 static const char * 74 star(char *buf, size_t len, int val) 75 { 76 if (val == -1) 77 return "*"; 78 snprintf(buf, len, "%d", val); 79 return buf; 80 } 81 82 int 83 main(int argc, char *argv[]) 84 { 85 const char *dbname = _PATH_BLSTATE; 86 DB *db; 87 struct conf c; 88 struct dbinfo dbi; 89 unsigned int i; 90 struct timespec ts; 91 int all, blocked, remain, wide, noheader; 92 int o; 93 94 noheader = wide = blocked = all = remain = 0; 95 lfun = dlog; 96 97 if (argc == 1 || strcmp(argv[1], "dump") != 0) 98 usage(0); 99 100 argc--; 101 argv++; 102 103 while ((o = getopt(argc, argv, "abD:dnrw")) != -1) 104 switch (o) { 105 case 'a': 106 all = 1; 107 blocked = 0; 108 break; 109 case 'b': 110 blocked = 1; 111 break; 112 case 'D': 113 dbname = optarg; 114 break; 115 case 'd': 116 debug++; 117 break; 118 case 'n': 119 noheader = 1; 120 break; 121 case 'r': 122 remain = 1; 123 break; 124 case 'w': 125 wide = 1; 126 break; 127 default: 128 usage(o); 129 } 130 131 db = state_open(dbname, O_RDONLY, 0); 132 if (db == NULL) 133 err(EXIT_FAILURE, "Can't open `%s'", dbname); 134 135 clock_gettime(CLOCK_REALTIME, &ts); 136 wide = wide ? 8 * 4 + 7 : 4 * 3 + 3; 137 if (!noheader) 138 printf("rulename\t%*.*s/ma:port\tid\tnfail\t%s\n", wide, wide, 139 "address", remain ? "remaining time" : "last access"); 140 for (i = 1; state_iterate(db, &c, &dbi, i) != 0; i = 0) { 141 char buf[BUFSIZ]; 142 char mbuf[64], pbuf[64]; 143 if (!all) { 144 if (blocked) { 145 if (c.c_nfail == -1 || dbi.count < c.c_nfail) 146 continue; 147 } else { 148 if (dbi.count >= c.c_nfail) 149 continue; 150 } 151 } 152 sockaddr_snprintf(buf, sizeof(buf), "%a", (void *)&c.c_ss); 153 printf("%s\t%*.*s/%s:%s\t", c.c_name, wide, wide, buf, 154 star(mbuf, sizeof(mbuf), c.c_lmask), 155 star(pbuf, sizeof(pbuf), c.c_port)); 156 if (c.c_duration == -1) { 157 strlcpy(buf, "never", sizeof(buf)); 158 } else { 159 if (remain) 160 fmtydhms(buf, sizeof(buf), 161 c.c_duration - (ts.tv_sec - dbi.last)); 162 else 163 fmttime(buf, sizeof(buf), dbi.last); 164 } 165 printf("%s\t%d/%s\t%-s\n", dbi.id, dbi.count, 166 star(mbuf, sizeof(mbuf), c.c_nfail), buf); 167 } 168 state_close(db); 169 return EXIT_SUCCESS; 170 } 171