1 files changed, 0 insertions, 322 deletions
diff --git a/usr.sbin/tcpdrop/tcpdrop.c b/usr.sbin/tcpdrop/tcpdrop.c
deleted file mode 100644
index 6aae85c..0000000
--- a/usr.sbin/tcpdrop/tcpdrop.c
+++ /dev/null
@@ -1,322 +0,0 @@
-/* $OpenBSD: tcpdrop.c,v 1.4 2004/05/22 23:55:22 deraadt Exp $ */
-
-/*-
- * Copyright (c) 2009 Juli Mallett <jmallett@FreeBSD.org>
- * Copyright (c) 2004 Markus Friedl <markus@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-#include <sys/sysctl.h>
-#include <netinet/in.h>
-
-#include <netinet/in_pcb.h>
-#define TCPSTATES
-#include <netinet/tcp_fsm.h>
-#include <netinet/tcp_var.h>
-
-#include <err.h>
-#include <netdb.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#define	TCPDROP_FOREIGN		0
-#define	TCPDROP_LOCAL		1
-
-struct host_service {
-	char hs_host[NI_MAXHOST];
-	char hs_service[NI_MAXSERV];
-};
-
-static bool tcpdrop_list_commands = false;
-
-static struct xinpgen *getxpcblist(const char *);
-static void sockinfo(const struct sockaddr *, struct host_service *);
-static bool tcpdrop(const struct sockaddr *, const struct sockaddr *);
-static bool tcpdropall(void);
-static bool tcpdropbyname(const char *, const char *, const char *,
-    const char *);
-static bool tcpdropconn(const struct in_conninfo *);
-static void usage(void);
-
-/*
- * Drop a tcp connection.
- */
-int
-main(int argc, char *argv[])
-{
-	bool dropall;
-	int ch;
-
-	dropall = false;
-
-	while ((ch = getopt(argc, argv, "al")) != -1) {
-		switch (ch) {
-		case 'a':
-			dropall = true;
-			break;
-		case 'l':
-			tcpdrop_list_commands = true;
-			break;
-		default:
-			usage();
-		}
-	}
-	argc -= optind;
-	argv += optind;
-
-	if (dropall) {
-		if (argc != 0)
-			usage();
-		if (!tcpdropall())
-			exit(1);
-		exit(0);
-	}
-
-	if (argc != 4 || tcpdrop_list_commands)
-		usage();
-
-	if (!tcpdropbyname(argv[0], argv[1], argv[2], argv[3]))
-		exit(1);
-
-	exit(0);
-}
-
-static struct xinpgen *
-getxpcblist(const char *name)
-{
-	struct xinpgen *xinp;
-	size_t len;
-	int rv;
-
-	len = 0;
-	rv = sysctlbyname(name, NULL, &len, NULL, 0);
-	if (rv == -1)
-		err(1, "sysctlbyname %s", name);
-
-	if (len == 0)
-		errx(1, "%s is empty", name);
-
-	xinp = malloc(len);
-	if (xinp == NULL)
-		errx(1, "malloc failed");
-
-	rv = sysctlbyname(name, xinp, &len, NULL, 0);
-	if (rv == -1)
-		err(1, "sysctlbyname %s", name);
-
-	return (xinp);
-}
-
-static void
-sockinfo(const struct sockaddr *sa, struct host_service *hs)
-{
-	static const int flags = NI_NUMERICHOST | NI_NUMERICSERV;
-	int rv;
-
-	rv = getnameinfo(sa, sa->sa_len, hs->hs_host, sizeof hs->hs_host,
-	    hs->hs_service, sizeof hs->hs_service, flags);
-	if (rv == -1)
-		err(1, "getnameinfo");
-}
-
-static bool
-tcpdrop(const struct sockaddr *lsa, const struct sockaddr *fsa)
-{
-	struct host_service local, foreign;
-	struct sockaddr_storage addrs[2];
-	int rv;
-
-	memcpy(&addrs[TCPDROP_FOREIGN], fsa, fsa->sa_len);
-	memcpy(&addrs[TCPDROP_LOCAL], lsa, lsa->sa_len);
-
-	sockinfo(lsa, &local);
-	sockinfo(fsa, &foreign);
-
-	if (tcpdrop_list_commands) {
-		printf("tcpdrop %s %s %s %s\n", local.hs_host, local.hs_service,
-		    foreign.hs_host, foreign.hs_service);
-		return (true);
-	}
-
-	rv = sysctlbyname("net.inet.tcp.drop", NULL, NULL, &addrs,
-	    sizeof addrs);
-	if (rv == -1) {
-		warn("%s %s %s %s", local.hs_host, local.hs_service,
-		    foreign.hs_host, foreign.hs_service);
-		return (false);
-	}
-	printf("%s %s %s %s: dropped\n", local.hs_host, local.hs_service,
-	    foreign.hs_host, foreign.hs_service);
-	return (true);
-}
-
-static bool
-tcpdropall(void)
-{
-	struct xinpgen *head, *xinp;
-	struct xtcpcb *xpcb;
-	struct tcpcb *tp;
-	struct inpcb *inp;
-	bool ok;
-
-	ok = true;
-
-	head = getxpcblist("net.inet.tcp.pcblist");
-
-#define	XINP_NEXT(xinp)							\
-	((struct xinpgen *)((uintptr_t)(xinp) + (xinp)->xig_len))
-
-	for (xinp = XINP_NEXT(head); xinp->xig_len > sizeof *xinp;
-	    xinp = XINP_NEXT(xinp)) {
-		xpcb = (struct xtcpcb *)xinp;
-		tp = &xpcb->xt_tp;
-		inp = &xpcb->xt_inp;
-
-		/*
-		 * XXX
-		 * Check protocol, support just v4 or v6, etc.
-		 */
-
-		/* Ignore PCBs which were freed during copyout.  */
-		if (inp->inp_gencnt > head->xig_gen)
-			continue;
-
-		/* Skip listening sockets.  */
-		if (tp->t_state == TCPS_LISTEN)
-			continue;
-
-		if (!tcpdropconn(&inp->inp_inc))
-			ok = false;
-	}
-	free(head);
-
-	return (ok);
-}
-
-static bool
-tcpdropbyname(const char *lhost, const char *lport, const char *fhost,
-    const char *fport)
-{
-	static const struct addrinfo hints = {
-		/*
-		 * Look for streams in all domains.
-		 */
-		.ai_family = AF_UNSPEC,
-		.ai_socktype = SOCK_STREAM,
-	};
-	struct addrinfo *ail, *local, *aif, *foreign;
-	int error;
-	bool ok, infamily;
-
-	error = getaddrinfo(lhost, lport, &hints, &local);
-	if (error != 0)
-		errx(1, "getaddrinfo: %s port %s: %s", lhost, lport,
-		    gai_strerror(error));
-
-	error = getaddrinfo(fhost, fport, &hints, &foreign);
-	if (error != 0) {
-		freeaddrinfo(local); /* XXX gratuitous */
-		errx(1, "getaddrinfo: %s port %s: %s", lhost, lport,
-		    gai_strerror(error));
-	}
-
-	ok = true;
-	infamily = false;
-
-	/*
-	 * Try every combination of local and foreign address pairs.
-	 */
-	for (ail = local; ail != NULL; ail = ail->ai_next) {
-		for (aif = foreign; aif != NULL; aif = aif->ai_next) {
-			if (ail->ai_family != aif->ai_family)
-				continue;
-			infamily = true;
-			if (!tcpdrop(ail->ai_addr, aif->ai_addr))
-				ok = false;
-		}
-	}
-
-	if (!infamily) {
-		warnx("%s %s %s %s: different address families", lhost, lport,
-		    fhost, fport);
-		ok = false;
-	}
-
-	freeaddrinfo(local);
-	freeaddrinfo(foreign);
-
-	return (ok);
-}
-
-static bool
-tcpdropconn(const struct in_conninfo *inc)
-{
-	struct sockaddr *local, *foreign;
-	struct sockaddr_in6 sin6[2];
-	struct sockaddr_in sin4[2];
-
-	if ((inc->inc_flags & INC_ISIPV6) != 0) {
-		memset(sin6, 0, sizeof sin6);
-
-		sin6[TCPDROP_LOCAL].sin6_len = sizeof sin6[TCPDROP_LOCAL];
-		sin6[TCPDROP_LOCAL].sin6_family = AF_INET6;
-		sin6[TCPDROP_LOCAL].sin6_port = inc->inc_lport;
-		memcpy(&sin6[TCPDROP_LOCAL].sin6_addr, &inc->inc6_laddr,
-		    sizeof inc->inc6_laddr);
-		local = (struct sockaddr *)&sin6[TCPDROP_LOCAL];
-
-		sin6[TCPDROP_FOREIGN].sin6_len = sizeof sin6[TCPDROP_FOREIGN];
-		sin6[TCPDROP_FOREIGN].sin6_family = AF_INET6;
-		sin6[TCPDROP_FOREIGN].sin6_port = inc->inc_fport;
-		memcpy(&sin6[TCPDROP_FOREIGN].sin6_addr, &inc->inc6_faddr,
-		    sizeof inc->inc6_faddr);
-		foreign = (struct sockaddr *)&sin6[TCPDROP_FOREIGN];
-	} else {
-		memset(&sin4[TCPDROP_LOCAL], 0, sizeof sin4[TCPDROP_LOCAL]);
-
-		sin4[TCPDROP_LOCAL].sin_len = sizeof sin4[TCPDROP_LOCAL];
-		sin4[TCPDROP_LOCAL].sin_family = AF_INET;
-		sin4[TCPDROP_LOCAL].sin_port = inc->inc_lport;
-		memcpy(&sin4[TCPDROP_LOCAL].sin_addr, &inc->inc_laddr,
-		    sizeof inc->inc_laddr);
-		local = (struct sockaddr *)&sin4[TCPDROP_LOCAL];
-
-		sin4[TCPDROP_FOREIGN].sin_len = sizeof sin4[TCPDROP_FOREIGN];
-		sin4[TCPDROP_FOREIGN].sin_family = AF_INET;
-		sin4[TCPDROP_FOREIGN].sin_port = inc->inc_fport;
-		memcpy(&sin4[TCPDROP_FOREIGN].sin_addr, &inc->inc_faddr,
-		    sizeof inc->inc_faddr);
-		foreign = (struct sockaddr *)&sin4[TCPDROP_FOREIGN];
-	}
-
-	return (tcpdrop(local, foreign));
-}
-
-static void
-usage(void)
-{
-	fprintf(stderr,
-"usage: tcpdrop local-address local-port foreign-address foreign-port\n"
-"       tcpdrop [-l] -a\n");
-	exit(1);
-}