152 lines
3.8 KiB
C
152 lines
3.8 KiB
C
/* $NetBSD: blacklistctl.c,v 1.21 2016/11/02 03:15:07 jnemeth Exp $ */
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/*-
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* Copyright (c) 2015 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: blacklistctl.c,v 1.21 2016/11/02 03:15:07 jnemeth Exp $");
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#include <stdio.h>
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#include <time.h>
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#ifdef HAVE_LIBUTIL_H
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#include <libutil.h>
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#endif
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#ifdef HAVE_UTIL_H
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#include <util.h>
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#endif
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#include <fcntl.h>
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#include <string.h>
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#include <syslog.h>
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#include <err.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include "conf.h"
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#include "state.h"
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#include "internal.h"
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#include "support.h"
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static __dead void
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usage(int c)
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{
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if (c == 0)
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warnx("Missing/unknown command");
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else
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warnx("Unknown option `%c'", (char)c);
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fprintf(stderr, "Usage: %s dump [-abdnrw]\n", getprogname());
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exit(EXIT_FAILURE);
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}
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int
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main(int argc, char *argv[])
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{
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const char *dbname = _PATH_BLSTATE;
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DB *db;
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struct conf c;
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struct dbinfo dbi;
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unsigned int i;
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struct timespec ts;
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int all, blocked, remain, wide, noheader;
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int o;
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noheader = wide = blocked = all = remain = 0;
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lfun = dlog;
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if (argc == 1 || strcmp(argv[1], "dump") != 0)
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usage(0);
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argc--;
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argv++;
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while ((o = getopt(argc, argv, "abD:dnrw")) != -1)
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switch (o) {
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case 'a':
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all = 1;
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blocked = 0;
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break;
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case 'b':
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blocked = 1;
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break;
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case 'D':
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dbname = optarg;
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break;
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case 'd':
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debug++;
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break;
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case 'n':
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noheader = 1;
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break;
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case 'r':
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remain = 1;
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break;
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case 'w':
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wide = 1;
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break;
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default:
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usage(o);
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break;
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}
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db = state_open(dbname, O_RDONLY, 0);
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if (db == NULL)
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err(EXIT_FAILURE, "Can't open `%s'", dbname);
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clock_gettime(CLOCK_REALTIME, &ts);
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wide = wide ? 8 * 4 + 7 : 4 * 3 + 3;
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if (!noheader)
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printf("%*.*s/ma:port\tid\tnfail\t%s\n", wide, wide,
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"address", remain ? "remaining time" : "last access");
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for (i = 1; state_iterate(db, &c, &dbi, i) != 0; i = 0) {
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char buf[BUFSIZ];
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if (!all) {
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if (blocked) {
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if (dbi.count < c.c_nfail)
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continue;
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} else {
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if (dbi.count >= c.c_nfail)
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continue;
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}
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}
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sockaddr_snprintf(buf, sizeof(buf), "%a", (void *)&c.c_ss);
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printf("%*.*s/%d:%d\t", wide, wide, buf, c.c_lmask, c.c_port);
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if (remain)
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fmtydhms(buf, sizeof(buf),
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c.c_duration - (ts.tv_sec - dbi.last));
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else
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fmttime(buf, sizeof(buf), dbi.last);
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printf("%s\t%d/%d\t%-s\n", dbi.id, dbi.count, c.c_nfail, buf);
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}
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state_close(db);
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return EXIT_SUCCESS;
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}
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