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/
openntpd-openbsd
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prepare for client functionality

OPENBSD_3_6
henning 20 years ago
parent
fb138ef2fa
commit
44782aec16
7 changed files with 285 additions and 229 deletions
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  1. +3
    -2
      src/usr.sbin/ntpd/Makefile
  2. +1
    -4
      src/usr.sbin/ntpd/config.c
  3. +1
    -221
      src/usr.sbin/ntpd/ntp.c
  4. +12
    -1
      src/usr.sbin/ntpd/ntp.h
  5. +152
    -0
      src/usr.sbin/ntpd/ntp_msg.c
  6. +3
    -1
      src/usr.sbin/ntpd/ntpd.h
  7. +113
    -0
      src/usr.sbin/ntpd/server.c

+ 3
- 2
src/usr.sbin/ntpd/Makefile View File

@ -1,9 +1,10 @@
# $OpenBSD: Makefile,v 1.3 2004/06/01 21:58:08 henning Exp $
# $OpenBSD: Makefile,v 1.4 2004/06/02 10:08:59 henning Exp $
.PATH: ${.CURDIR}/.. .PATH: ${.CURDIR}/..
PROG= ntpd PROG= ntpd
SRCS= ntpd.c buffer.c log.c imsg.c ntp.c parse.y config.c
SRCS= ntpd.c buffer.c log.c imsg.c ntp.c ntp_msg.c parse.y config.c \
server.c
CFLAGS+= -Wall -I${.CURDIR} CFLAGS+= -Wall -I${.CURDIR}
CFLAGS+= -Wstrict-prototypes -Wmissing-prototypes CFLAGS+= -Wstrict-prototypes -Wmissing-prototypes
CFLAGS+= -Wmissing-declarations CFLAGS+= -Wmissing-declarations


+ 1
- 4
src/usr.sbin/ntpd/config.c View File

@ -1,4 +1,4 @@
/* $OpenBSD: config.c,v 1.1 2004/06/01 21:58:08 henning Exp $ */
/* $OpenBSD: config.c,v 1.2 2004/06/02 10:08:59 henning Exp $ */
/* /*
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@ -19,11 +19,8 @@
#include <sys/types.h> #include <sys/types.h>
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/mman.h>
#include <errno.h> #include <errno.h>
#include <ifaddrs.h>
#include <netdb.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>


+ 1
- 221
src/usr.sbin/ntpd/ntp.c View File

@ -1,4 +1,4 @@
/* $OpenBSD: ntp.c,v 1.5 2004/06/01 21:58:08 henning Exp $ */
/* $OpenBSD: ntp.c,v 1.6 2004/06/02 10:08:59 henning Exp $ */
/* /*
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@ -19,7 +19,6 @@
#include <sys/param.h> #include <sys/param.h>
#include <errno.h> #include <errno.h>
#include <netdb.h>
#include <poll.h> #include <poll.h>
#include <pwd.h> #include <pwd.h>
#include <stdlib.h> #include <stdlib.h>
@ -36,13 +35,8 @@ struct imsgbuf ibuf_main;
struct l_fixedpt ref_ts; struct l_fixedpt ref_ts;
void ntp_sighdlr(int); void ntp_sighdlr(int);
int setup_listeners(struct servent *, struct ntpd_conf *);
int ntp_dispatch_imsg(void); int ntp_dispatch_imsg(void);
int ntp_dispatch(int fd); int ntp_dispatch(int fd);
int ntp_getmsg(char *, ssize_t, struct ntp_msg *);
int ntp_reply(int, struct sockaddr *, struct ntp_msg *, int);
int ntp_sendmsg(int, struct sockaddr *, struct ntp_msg *, ssize_t, int);
void get_ts(struct l_fixedpt *);
void void
ntp_sighdlr(int sig) ntp_sighdlr(int sig)
@ -107,7 +101,6 @@ ntp_main(int pipe_prnt[2], struct ntpd_conf *conf)
log_info("ntp engine ready"); log_info("ntp engine ready");
while (ntp_quit == 0) { while (ntp_quit == 0) {
get_ts(&ref_ts); /* XXX */
bzero(&pfd, sizeof(pfd)); bzero(&pfd, sizeof(pfd));
pfd[PFD_PIPE_MAIN].fd = ibuf_main.fd; pfd[PFD_PIPE_MAIN].fd = ibuf_main.fd;
pfd[PFD_PIPE_MAIN].events = POLLIN; pfd[PFD_PIPE_MAIN].events = POLLIN;
@ -154,57 +147,6 @@ ntp_main(int pipe_prnt[2], struct ntpd_conf *conf)
_exit(0); _exit(0);
} }
int
setup_listeners(struct servent *se, struct ntpd_conf *conf)
{
struct listen_addr *la;
if (TAILQ_EMPTY(&conf->listen_addrs)) {
if ((la = calloc(1, sizeof(struct listen_addr))) == NULL)
fatal("setup_listeners calloc");
la->sa.ss_len = sizeof(struct sockaddr_in);
((struct sockaddr_in *)&la->sa)->sin_family = AF_INET;
((struct sockaddr_in *)&la->sa)->sin_addr.s_addr =
htonl(INADDR_ANY);
((struct sockaddr_in *)&la->sa)->sin_port = se->s_port;
TAILQ_INSERT_TAIL(&conf->listen_addrs, la, entry);
if ((la = calloc(1, sizeof(struct listen_addr))) == NULL)
fatal("setup_listeners calloc");
la->sa.ss_len = sizeof(struct sockaddr_in6);
((struct sockaddr_in6 *)&la->sa)->sin6_family = AF_INET6;
((struct sockaddr_in6 *)&la->sa)->sin6_port = se->s_port;
TAILQ_INSERT_TAIL(&conf->listen_addrs, la, entry);
}
TAILQ_FOREACH(la, &conf->listen_addrs, entry) {
switch (la->sa.ss_family) {
case AF_INET:
if (((struct sockaddr_in *)&la->sa)->sin_port == 0)
((struct sockaddr_in *)&la->sa)->sin_port =
se->s_port;
break;
case AF_INET6:
if (((struct sockaddr_in6 *)&la->sa)->sin6_port == 0)
((struct sockaddr_in6 *)&la->sa)->sin6_port =
se->s_port;
break;
default:
fatalx("king bula sez: af borked");
}
if ((la->fd = socket(la->sa.ss_family, SOCK_DGRAM, 0)) == -1)
fatal("socket");
if (bind(la->fd, (struct sockaddr *)&la->sa, la->sa.ss_len) ==
-1)
fatal("bind");
}
return (0);
}
int int
ntp_dispatch_imsg(void) ntp_dispatch_imsg(void)
{ {
@ -254,165 +196,3 @@ ntp_dispatch(int fd)
return (0); return (0);
} }
int
ntp_getmsg(char *p, ssize_t len, struct ntp_msg *msg)
{
int auth, i;
if (len == NTP_MSGSIZE)
auth = 1;
else if (len == NTP_MSGSIZE_NOAUTH)
auth = 0;
else {
log_warnx("malformed packet received");
return (-1);
}
memcpy(&msg->status, p, sizeof(msg->status));
p += sizeof(msg->status);
memcpy(&msg->stratum, p, sizeof(msg->stratum));
p += sizeof(msg->stratum);
memcpy(&msg->ppoll, p, sizeof(msg->ppoll));
p += sizeof(msg->ppoll);
memcpy(&msg->precision, p, sizeof(msg->precision));
p += sizeof(msg->precision);
memcpy(&msg->distance.int_part, p, sizeof(msg->distance.int_part));
p += sizeof(msg->distance.int_part);
memcpy(&msg->distance.fraction, p, sizeof(msg->distance.fraction));
p += sizeof(msg->distance.fraction);
memcpy(&msg->dispersion.int_part, p, sizeof(msg->dispersion.int_part));
p += sizeof(msg->dispersion.int_part);
memcpy(&msg->dispersion.fraction, p, sizeof(msg->dispersion.fraction));
p += sizeof(msg->dispersion.fraction);
memcpy(&msg->refid, p, sizeof(msg->refid));
p += sizeof(msg->refid);
memcpy(&msg->reftime.int_part, p, sizeof(msg->reftime.int_part));
p += sizeof(msg->reftime.int_part);
memcpy(&msg->reftime.fraction, p, sizeof(msg->reftime.fraction));
p += sizeof(msg->reftime.fraction);
memcpy(&msg->orgtime.int_part, p, sizeof(msg->orgtime.int_part));
p += sizeof(msg->orgtime.int_part);
memcpy(&msg->orgtime.fraction, p, sizeof(msg->orgtime.fraction));
p += sizeof(msg->orgtime.fraction);
memcpy(&msg->rectime.int_part, p, sizeof(msg->rectime.int_part));
p += sizeof(msg->rectime.int_part);
memcpy(&msg->rectime.fraction, p, sizeof(msg->rectime.fraction));
p += sizeof(msg->rectime.fraction);
memcpy(&msg->xmttime.int_part, p, sizeof(msg->xmttime.int_part));
p += sizeof(msg->xmttime.int_part);
memcpy(&msg->xmttime.fraction, p, sizeof(msg->xmttime.fraction));
p += sizeof(msg->xmttime.fraction);
if (auth) {
memcpy(&msg->keyid, p, sizeof(msg->keyid));
p += sizeof(msg->refid);
for (i = 0; i < NTP_DIGESTSIZE; i++) {
memcpy(&msg->digest[i], p, sizeof(msg->digest[i]));
p += sizeof(msg->digest[i]);
}
/* XXX check auth */
}
return (0);
}
int
ntp_reply(int fd, struct sockaddr *sa, struct ntp_msg *query, int auth)
{
ssize_t len;
struct l_fixedpt t;
struct ntp_msg reply;
if (auth)
len = NTP_MSGSIZE;
else
len = NTP_MSGSIZE_NOAUTH;
bzero(&reply, sizeof(reply));
reply.status = 0 | (query->status & VERSIONMASK);
if ((query->status & MODEMASK) == MODE_CLIENT)
reply.status |= MODE_SERVER;
else
reply.status |= MODE_SYM_PAS;
reply.stratum = 2;
reply.ppoll = query->ppoll;
reply.precision = 0; /* XXX */
reply.refid = htonl(t.fraction); /* XXX */
reply.reftime.int_part = htonl(ref_ts.int_part);
reply.reftime.fraction = htonl(ref_ts.fraction);
get_ts(&t);
reply.rectime.int_part = htonl(t.int_part);
reply.rectime.fraction = htonl(t.fraction);
reply.xmttime.int_part = htonl(t.int_part);
reply.xmttime.fraction = htonl(t.fraction);
reply.orgtime.int_part = query->xmttime.int_part;
reply.orgtime.fraction = query->xmttime.fraction;
return (ntp_sendmsg(fd, sa, &reply, len, auth));
}
int
ntp_sendmsg(int fd, struct sockaddr *sa, struct ntp_msg *msg, ssize_t len,
int auth)
{
char buf[NTP_MSGSIZE];
char *p;
p = buf;
memcpy(p, &msg->status, sizeof(msg->status));
p += sizeof(msg->status);
memcpy(p, &msg->stratum, sizeof(msg->stratum));
p += sizeof(msg->stratum);
memcpy(p, &msg->ppoll, sizeof(msg->ppoll));
p += sizeof(msg->ppoll);
memcpy(p, &msg->precision, sizeof(msg->precision));
p += sizeof(msg->precision);
memcpy(p, &msg->distance.int_part, sizeof(msg->distance.int_part));
p += sizeof(msg->distance.int_part);
memcpy(p, &msg->distance.fraction, sizeof(msg->distance.fraction));
p += sizeof(msg->distance.fraction);
memcpy(p, &msg->dispersion.int_part, sizeof(msg->dispersion.int_part));
p += sizeof(msg->dispersion.int_part);
memcpy(p, &msg->dispersion.fraction, sizeof(msg->dispersion.fraction));
p += sizeof(msg->dispersion.fraction);
memcpy(p, &msg->refid, sizeof(msg->refid));
p += sizeof(msg->refid);
memcpy(p, &msg->reftime.int_part, sizeof(msg->reftime.int_part));
p += sizeof(msg->reftime.int_part);
memcpy(p, &msg->reftime.fraction, sizeof(msg->reftime.fraction));
p += sizeof(msg->reftime.fraction);
memcpy(p, &msg->orgtime.int_part, sizeof(msg->orgtime.int_part));
p += sizeof(msg->orgtime.int_part);
memcpy(p, &msg->orgtime.fraction, sizeof(msg->orgtime.fraction));
p += sizeof(msg->orgtime.fraction);
memcpy(p, &msg->rectime.int_part, sizeof(msg->rectime.int_part));
p += sizeof(msg->rectime.int_part);
memcpy(p, &msg->rectime.fraction, sizeof(msg->rectime.fraction));
p += sizeof(msg->rectime.fraction);
memcpy(p, &msg->xmttime.int_part, sizeof(msg->xmttime.int_part));
p += sizeof(msg->xmttime.int_part);
memcpy(p, &msg->xmttime.fraction, sizeof(msg->xmttime.fraction));
p += sizeof(msg->xmttime.fraction);
if (auth) {
/* XXX */
}
if (sendto(fd, &buf, len, 0, sa, sa->sa_len) != len)
fatal("sendto");
return (0);
}
void
get_ts(struct l_fixedpt *t)
{
struct timeval tv;
gettimeofday(&tv, NULL);
t->int_part = tv.tv_sec + JAN_1970;
t->fraction = ((float)tv.tv_usec)/1000000 * UINT_MAX;
}

+ 12
- 1
src/usr.sbin/ntpd/ntp.h View File

@ -1,4 +1,4 @@
/* $OpenBSD: ntp.h,v 1.2 2004/06/01 22:02:32 henning Exp $ */
/* $OpenBSD: ntp.h,v 1.3 2004/06/02 10:08:59 henning Exp $ */
/* /*
* Copyright (c) 2004 Henning Brauer <henning@openbsd.org> * Copyright (c) 2004 Henning Brauer <henning@openbsd.org>
@ -134,3 +134,14 @@ struct ntp_msg {
#define MODE_RES2 7 /* reserved for private use */ #define MODE_RES2 7 /* reserved for private use */
#define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */ #define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */
/* prototypes */
/* ntp_msg.c */
void get_ts(struct l_fixedpt *);
int ntp_getmsg(char *, ssize_t, struct ntp_msg *);
int ntp_sendmsg(int, struct sockaddr *, struct ntp_msg *, ssize_t, int);
/* server.c */
int setup_listeners(struct servent *, struct ntpd_conf *);
int ntp_reply(int, struct sockaddr *, struct ntp_msg *, int);

+ 152
- 0
src/usr.sbin/ntpd/ntp_msg.c View File

@ -0,0 +1,152 @@
/* $OpenBSD: ntp_msg.c,v 1.1 2004/06/02 10:08:59 henning Exp $ */
/*
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
* Copyright (c) 2004 Alexander Guy <alexander.guy@andern.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 MIND, 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/param.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ntpd.h"
#include "ntp.h"
int
ntp_getmsg(char *p, ssize_t len, struct ntp_msg *msg)
{
int auth, i;
if (len == NTP_MSGSIZE)
auth = 1;
else if (len == NTP_MSGSIZE_NOAUTH)
auth = 0;
else {
log_warnx("malformed packet received");
return (-1);
}
memcpy(&msg->status, p, sizeof(msg->status));
p += sizeof(msg->status);
memcpy(&msg->stratum, p, sizeof(msg->stratum));
p += sizeof(msg->stratum);
memcpy(&msg->ppoll, p, sizeof(msg->ppoll));
p += sizeof(msg->ppoll);
memcpy(&msg->precision, p, sizeof(msg->precision));
p += sizeof(msg->precision);
memcpy(&msg->distance.int_part, p, sizeof(msg->distance.int_part));
p += sizeof(msg->distance.int_part);
memcpy(&msg->distance.fraction, p, sizeof(msg->distance.fraction));
p += sizeof(msg->distance.fraction);
memcpy(&msg->dispersion.int_part, p, sizeof(msg->dispersion.int_part));
p += sizeof(msg->dispersion.int_part);
memcpy(&msg->dispersion.fraction, p, sizeof(msg->dispersion.fraction));
p += sizeof(msg->dispersion.fraction);
memcpy(&msg->refid, p, sizeof(msg->refid));
p += sizeof(msg->refid);
memcpy(&msg->reftime.int_part, p, sizeof(msg->reftime.int_part));
p += sizeof(msg->reftime.int_part);
memcpy(&msg->reftime.fraction, p, sizeof(msg->reftime.fraction));
p += sizeof(msg->reftime.fraction);
memcpy(&msg->orgtime.int_part, p, sizeof(msg->orgtime.int_part));
p += sizeof(msg->orgtime.int_part);
memcpy(&msg->orgtime.fraction, p, sizeof(msg->orgtime.fraction));
p += sizeof(msg->orgtime.fraction);
memcpy(&msg->rectime.int_part, p, sizeof(msg->rectime.int_part));
p += sizeof(msg->rectime.int_part);
memcpy(&msg->rectime.fraction, p, sizeof(msg->rectime.fraction));
p += sizeof(msg->rectime.fraction);
memcpy(&msg->xmttime.int_part, p, sizeof(msg->xmttime.int_part));
p += sizeof(msg->xmttime.int_part);
memcpy(&msg->xmttime.fraction, p, sizeof(msg->xmttime.fraction));
p += sizeof(msg->xmttime.fraction);
if (auth) {
memcpy(&msg->keyid, p, sizeof(msg->keyid));
p += sizeof(msg->refid);
for (i = 0; i < NTP_DIGESTSIZE; i++) {
memcpy(&msg->digest[i], p, sizeof(msg->digest[i]));
p += sizeof(msg->digest[i]);
}
/* XXX check auth */
}
return (0);
}
int
ntp_sendmsg(int fd, struct sockaddr *sa, struct ntp_msg *msg, ssize_t len,
int auth)
{
char buf[NTP_MSGSIZE];
char *p;
p = buf;
memcpy(p, &msg->status, sizeof(msg->status));
p += sizeof(msg->status);
memcpy(p, &msg->stratum, sizeof(msg->stratum));
p += sizeof(msg->stratum);
memcpy(p, &msg->ppoll, sizeof(msg->ppoll));
p += sizeof(msg->ppoll);
memcpy(p, &msg->precision, sizeof(msg->precision));
p += sizeof(msg->precision);
memcpy(p, &msg->distance.int_part, sizeof(msg->distance.int_part));
p += sizeof(msg->distance.int_part);
memcpy(p, &msg->distance.fraction, sizeof(msg->distance.fraction));
p += sizeof(msg->distance.fraction);
memcpy(p, &msg->dispersion.int_part, sizeof(msg->dispersion.int_part));
p += sizeof(msg->dispersion.int_part);
memcpy(p, &msg->dispersion.fraction, sizeof(msg->dispersion.fraction));
p += sizeof(msg->dispersion.fraction);
memcpy(p, &msg->refid, sizeof(msg->refid));
p += sizeof(msg->refid);
memcpy(p, &msg->reftime.int_part, sizeof(msg->reftime.int_part));
p += sizeof(msg->reftime.int_part);
memcpy(p, &msg->reftime.fraction, sizeof(msg->reftime.fraction));
p += sizeof(msg->reftime.fraction);
memcpy(p, &msg->orgtime.int_part, sizeof(msg->orgtime.int_part));
p += sizeof(msg->orgtime.int_part);
memcpy(p, &msg->orgtime.fraction, sizeof(msg->orgtime.fraction));
p += sizeof(msg->orgtime.fraction);
memcpy(p, &msg->rectime.int_part, sizeof(msg->rectime.int_part));
p += sizeof(msg->rectime.int_part);
memcpy(p, &msg->rectime.fraction, sizeof(msg->rectime.fraction));
p += sizeof(msg->rectime.fraction);
memcpy(p, &msg->xmttime.int_part, sizeof(msg->xmttime.int_part));
p += sizeof(msg->xmttime.int_part);
memcpy(p, &msg->xmttime.fraction, sizeof(msg->xmttime.fraction));
p += sizeof(msg->xmttime.fraction);
if (auth) {
/* XXX */
}
if (sendto(fd, &buf, len, 0, sa, sa->sa_len) != len)
fatal("sendto");
return (0);
}
void
get_ts(struct l_fixedpt *t)
{
struct timeval tv;
gettimeofday(&tv, NULL);
t->int_part = tv.tv_sec + JAN_1970;
t->fraction = ((float)tv.tv_usec)/1000000 * UINT_MAX;
}

+ 3
- 1
src/usr.sbin/ntpd/ntpd.h View File

@ -1,4 +1,4 @@
/* $OpenBSD: ntpd.h,v 1.3 2004/06/01 21:58:09 henning Exp $ */
/* $OpenBSD: ntpd.h,v 1.4 2004/06/02 10:08:59 henning Exp $ */
/* /*
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@ -21,6 +21,7 @@
#include <sys/queue.h> #include <sys/queue.h>
#include <netinet/in.h> #include <netinet/in.h>
#include <arpa/inet.h> #include <arpa/inet.h>
#include <netdb.h>
#include <stdarg.h> #include <stdarg.h>
#define NTPD_USER "_ntp" #define NTPD_USER "_ntp"
@ -132,3 +133,4 @@ int cmdline_symset(char *);
/* config.c */ /* config.c */
int check_file_secrecy(int, const char *); int check_file_secrecy(int, const char *);
int host(const char *, struct sockaddr *, u_int8_t *); int host(const char *, struct sockaddr *, u_int8_t *);

+ 113
- 0
src/usr.sbin/ntpd/server.c View File

@ -0,0 +1,113 @@
/* $OpenBSD: server.c,v 1.1 2004/06/02 10:08:59 henning Exp $ */
/*
* Copyright (c) 2003, 2004 Henning Brauer <henning@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 MIND, 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/param.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ntpd.h"
#include "ntp.h"
int
setup_listeners(struct servent *se, struct ntpd_conf *conf)
{
struct listen_addr *la;
if (TAILQ_EMPTY(&conf->listen_addrs)) {
if ((la = calloc(1, sizeof(struct listen_addr))) == NULL)
fatal("setup_listeners calloc");
la->sa.ss_len = sizeof(struct sockaddr_in);
((struct sockaddr_in *)&la->sa)->sin_family = AF_INET;
((struct sockaddr_in *)&la->sa)->sin_addr.s_addr =
htonl(INADDR_ANY);
((struct sockaddr_in *)&la->sa)->sin_port = se->s_port;
TAILQ_INSERT_TAIL(&conf->listen_addrs, la, entry);
if ((la = calloc(1, sizeof(struct listen_addr))) == NULL)
fatal("setup_listeners calloc");
la->sa.ss_len = sizeof(struct sockaddr_in6);
((struct sockaddr_in6 *)&la->sa)->sin6_family = AF_INET6;
((struct sockaddr_in6 *)&la->sa)->sin6_port = se->s_port;
TAILQ_INSERT_TAIL(&conf->listen_addrs, la, entry);
}
TAILQ_FOREACH(la, &conf->listen_addrs, entry) {
switch (la->sa.ss_family) {
case AF_INET:
if (((struct sockaddr_in *)&la->sa)->sin_port == 0)
((struct sockaddr_in *)&la->sa)->sin_port =
se->s_port;
break;
case AF_INET6:
if (((struct sockaddr_in6 *)&la->sa)->sin6_port == 0)
((struct sockaddr_in6 *)&la->sa)->sin6_port =
se->s_port;
break;
default:
fatalx("king bula sez: af borked");
}
if ((la->fd = socket(la->sa.ss_family, SOCK_DGRAM, 0)) == -1)
fatal("socket");
if (bind(la->fd, (struct sockaddr *)&la->sa, la->sa.ss_len) ==
-1)
fatal("bind");
}
return (0);
}
int
ntp_reply(int fd, struct sockaddr *sa, struct ntp_msg *query, int auth)
{
ssize_t len;
struct l_fixedpt t;
struct ntp_msg reply;
if (auth)
len = NTP_MSGSIZE;
else
len = NTP_MSGSIZE_NOAUTH;
bzero(&reply, sizeof(reply));
reply.status = 0 | (query->status & VERSIONMASK);
if ((query->status & MODEMASK) == MODE_CLIENT)
reply.status |= MODE_SERVER;
else
reply.status |= MODE_SYM_PAS;
reply.stratum = 2;
reply.ppoll = query->ppoll;
reply.precision = 0; /* XXX */
reply.refid = htonl(t.fraction); /* XXX */
get_ts(&t);
reply.reftime.int_part = htonl(t.int_part); /* XXX */
reply.reftime.fraction = htonl(t.fraction); /* XXX */
reply.rectime.int_part = htonl(t.int_part);
reply.rectime.fraction = htonl(t.fraction);
reply.xmttime.int_part = htonl(t.int_part);
reply.xmttime.fraction = htonl(t.fraction);
reply.orgtime.int_part = query->xmttime.int_part;
reply.orgtime.fraction = query->xmttime.fraction;
return (ntp_sendmsg(fd, sa, &reply, len, auth));
}

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