diff options
Diffstat (limited to 'bin/date/netdate.c')
| -rw-r--r-- | bin/date/netdate.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/bin/date/netdate.c b/bin/date/netdate.c deleted file mode 100644 index 5b5857c..0000000 --- a/bin/date/netdate.c +++ /dev/null @@ -1,200 +0,0 @@ -/* $NetBSD: netdate.c,v 1.30 2011/01/29 02:16:52 christos Exp $ */ - -/*- - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -#ifndef lint -#if 0 -static char sccsid[] = "@(#)netdate.c 8.2 (Berkeley) 4/28/95"; -#else -__RCSID("$NetBSD: netdate.c,v 1.30 2011/01/29 02:16:52 christos Exp $"); -#endif -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/time.h> -#include <sys/socket.h> - -#include <netinet/in.h> -#include <netdb.h> -#define TSPTYPES -#include <protocols/timed.h> - -#include <err.h> -#include <errno.h> -#include <poll.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#include "extern.h" - -#define WAITACK 2000 /* milliseconds */ -#define WAITDATEACK 5000 /* milliseconds */ - -static const char * -tsp_type_to_string(const struct tsp *msg) -{ - unsigned i; - - i = msg->tsp_type; - return i < TSPTYPENUMBER ? tsptype[i] : "unknown"; -} - -/* - * Set the date in the machines controlled by timedaemons by communicating the - * new date to the local timedaemon. If the timedaemon is in the master state, - * it performs the correction on all slaves. If it is in the slave state, it - * notifies the master that a correction is needed. - * Returns 0 on success. Returns > 0 on failure. - */ -int -netsettime(time_t tval) -{ - struct sockaddr_in dest; - struct tsp msg; - char hostname[MAXHOSTNAMELEN]; - struct servent *sp; - struct pollfd ready; - int found, s, timed_ack, waittime; - - if ((sp = getservbyname("timed", "udp")) == NULL) { - warnx("udp/timed: unknown service"); - return 2; - } - - (void)memset(&dest, 0, sizeof(dest)); -#ifdef BSD4_4 - dest.sin_len = sizeof(dest); -#endif - dest.sin_family = AF_INET; - dest.sin_port = sp->s_port; - dest.sin_addr.s_addr = htonl(INADDR_ANY); - s = socket(AF_INET, SOCK_DGRAM, 0); - if (s == -1) { - if (errno != EAFNOSUPPORT) - warn("timed"); - return 2; - } - -#ifdef IP_PORTRANGE - { - static const int on = IP_PORTRANGE_LOW; - - if (setsockopt(s, IPPROTO_IP, IP_PORTRANGE, &on, - sizeof(on)) == -1) { - warn("setsockopt"); - goto bad; - } - } -#endif - - msg.tsp_type = TSP_SETDATE; - msg.tsp_vers = TSPVERSION; - if (gethostname(hostname, sizeof(hostname)) == -1) { - warn("gethostname"); - goto bad; - } - (void)strlcpy(msg.tsp_name, hostname, sizeof(msg.tsp_name)); - msg.tsp_seq = htons((in_port_t)0); - msg.tsp_time.tv_sec = htonl((in_addr_t)tval); /* XXX: y2038 */ - msg.tsp_time.tv_usec = htonl((in_addr_t)0); - if (connect(s, (const void *)&dest, sizeof(dest)) == -1) { - warn("connect"); - goto bad; - } - if (send(s, &msg, sizeof(msg), 0) == -1) { - if (errno != ECONNREFUSED) - warn("send"); - goto bad; - } - - timed_ack = -1; - waittime = WAITACK; - ready.fd = s; - ready.events = POLLIN; -loop: - found = poll(&ready, 1, waittime); - - { - socklen_t len; - int error; - - len = sizeof(error); - if (getsockopt(s, SOL_SOCKET, SO_ERROR, &error, &len) == -1) { - warn("getsockopt"); - goto bad; - } - if (error) { - if (error != ECONNREFUSED) { - errno = error; - warn("send (delayed error)"); - } - goto bad; - } - } - - if (found > 0 && ready.revents & POLLIN) { - ssize_t ret; - - if ((ret = recv(s, &msg, sizeof(msg), 0)) == -1) { - if (errno != ECONNREFUSED) - warn("recv"); - goto bad; - } else if ((size_t)ret < sizeof(msg)) { - warnx("recv: incomplete packet"); - goto bad; - } - - msg.tsp_seq = ntohs(msg.tsp_seq); - msg.tsp_time.tv_sec = ntohl(msg.tsp_time.tv_sec); - msg.tsp_time.tv_usec = ntohl(msg.tsp_time.tv_usec); - switch (msg.tsp_type) { - case TSP_ACK: - timed_ack = TSP_ACK; - waittime = WAITDATEACK; - goto loop; - case TSP_DATEACK: - (void)close(s); - return 0; - default: - warnx("wrong ack received from timed: %s", - tsp_type_to_string(&msg)); - timed_ack = -1; - break; - } - } - if (timed_ack == -1) - warnx("can't reach time daemon, time set locally"); - -bad: - (void)close(s); - return 2; -} |