kill the undead

1 files changed, 0 insertions, 730 deletions

diff --git a/usr.sbin/pppd/sys-str.c b/usr.sbin/pppd/sys-str.c
deleted file mode 100644
index c197d4b..0000000
--- a/usr.sbin/pppd/sys-str.c
+++ /dev/null
@@ -1,730 +0,0 @@
-/*
- * sys-str.c - System-dependent procedures for setting up
- * PPP interfaces on systems which use the STREAMS ppp interface.
- *
- * Copyright (c) 1989 Carnegie Mellon University.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-/*
- * TODO:
- */
-
-#include <stdio.h>
-#include <errno.h>
-#include <syslog.h>
-#include <fcntl.h>
-#include <string.h>
-#include <time.h>
-#include <utmp.h>
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <sys/stream.h>
-#include <sys/stropts.h>
-
-#include <net/if.h>
-#include <net/route.h>
-#include <net/if_arp.h>
-#include <netinet/in.h>
-
-#include "pppd.h"
-#include "ppp.h"
-#include <net/ppp_str.h>
-
-#ifndef ifr_mtu
-#define ifr_mtu		ifr_metric
-#endif
-
-#define	MAXMODULES	10	/* max number of module names to save */
-static struct	modlist {
-    char	modname[FMNAMESZ+1];
-} str_modules[MAXMODULES];
-static int	str_module_count = 0;
-static int	pushed_ppp;
-
-extern int hungup;		/* has the physical layer been disconnected? */
-extern int kdebugflag;
-
-#define PAI_FLAGS_B7_0		0x100
-#define PAI_FLAGS_B7_1		0x200
-#define PAI_FLAGS_PAR_EVEN	0x400
-#define PAI_FLAGS_PAR_ODD	0x800
-#define PAI_FLAGS_HIBITS	0xF00
-
-/*
- * ppp_available - check if this kernel supports PPP.
- */
-int
-ppp_available()
-{
-    int fd, ret;
-
-    fd = open("/dev/tty", O_RDONLY, 0);
-    if (fd < 0)
-	return 1;		/* can't find out - assume we have ppp */
-    ret = ioctl(fd, I_FIND, "pppasync") >= 0;
-    close(fd);
-    return ret;
-}
-
-
-/*
- * establish_ppp - Turn the serial port into a ppp interface.
- */
-void
-establish_ppp()
-{
-    /* go through and save the name of all the modules, then pop em */
-    for (;;) { 
-	if (ioctl(fd, I_LOOK, str_modules[str_module_count].modname) < 0 ||
-	    ioctl(fd, I_POP, 0) < 0)
-	    break;
-	MAINDEBUG((LOG_DEBUG, "popped stream module : %s",
-		   str_modules[str_module_count].modname));
-	str_module_count++;
-    }
-
-    /* now push the async/fcs module */
-    if (ioctl(fd, I_PUSH, "pppasync") < 0) {
-	syslog(LOG_ERR, "ioctl(I_PUSH, ppp_async): %m");
-	die(1);
-    }
-    /* finally, push the ppp_if module that actually handles the */
-    /* network interface */ 
-    if (ioctl(fd, I_PUSH, "pppif") < 0) {
-	syslog(LOG_ERR, "ioctl(I_PUSH, ppp_if): %m");
-	die(1);
-    }
-    pushed_ppp = 1;
-    if (ioctl(fd, I_SETSIG, S_INPUT) < 0) {
-	syslog(LOG_ERR, "ioctl(I_SETSIG, S_INPUT): %m");
-	die(1);
-    }
-    /* read mode, message non-discard mode */
-    if (ioctl(fd, I_SRDOPT, RMSGN) < 0) {
-	syslog(LOG_ERR, "ioctl(I_SRDOPT, RMSGN): %m");
-	die(1);
-    }
-    /* Flush any waiting messages, or we'll never get SIGPOLL */
-    if (ioctl(fd, I_FLUSH, FLUSHRW) < 0) {
-	syslog(LOG_ERR, "ioctl(I_FLUSH, FLUSHRW): %m");
-	die(1);
-    }
-    /*
-     * Find out which interface we were given.
-     * (ppp_if handles this ioctl)
-     */
-    if (ioctl(fd, SIOCGETU, &ifunit) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCGETU): %m");
-	die(1);
-    }
-
-    /* Set debug flags in driver */
-    if (ioctl(fd, SIOCSIFDEBUG, &kdebugflag) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFDEBUG): %m");
-    }
-}
-
-/*
- * disestablish_ppp - Restore the serial port to normal operation.
- * It attempts to reconstruct the stream with the previously popped
- * modules.  This shouldn't call die() because it's called from die().
- */
-void
-disestablish_ppp()
-{
-    int flags;
-    char *s;
-
-    if (hungup) {
-	/* we can't push or pop modules after the stream has hung up */
-	str_module_count = 0;
-	return;
-    }
-
-    if (pushed_ppp) {
-	/*
-	 * Check whether the link seems not to be 8-bit clean.
-	 */
-	if (ioctl(fd, SIOCGIFDEBUG, (caddr_t) &flags) == 0) {
-	    s = NULL;
-	    switch (~flags & PAI_FLAGS_HIBITS) {
-	    case PAI_FLAGS_B7_0:
-		s = "bit 7 set to 1";
-		break;
-	    case PAI_FLAGS_B7_1:
-		s = "bit 7 set to 0";
-		break;
-	    case PAI_FLAGS_PAR_EVEN:
-		s = "odd parity";
-		break;
-	    case PAI_FLAGS_PAR_ODD:
-		s = "even parity";
-		break;
-	    }
-	    if (s != NULL) {
-		syslog(LOG_WARNING, "Serial link is not 8-bit clean:");
-		syslog(LOG_WARNING, "All received characters had %s", s);
-	    }
-	}
-    }
-
-    while (ioctl(fd, I_POP, 0) == 0)	/* pop any we pushed */
-	;
-    pushed_ppp = 0;
-  
-    for (; str_module_count > 0; str_module_count--) {
-	if (ioctl(fd, I_PUSH, str_modules[str_module_count-1].modname)) {
-	    syslog(LOG_WARNING, "str_restore: couldn't push module %s: %m",
-		   str_modules[str_module_count-1].modname);
-	} else {
-	    MAINDEBUG((LOG_INFO, "str_restore: pushed module %s",
-		       str_modules[str_module_count-1].modname));
-	}
-    }
-}
-
-
-/*
- * output - Output PPP packet.
- */
-void
-output(unit, p, len)
-    int unit;
-    u_char *p;
-    int len;
-{
-    struct strbuf	str;
-
-    if (unit != 0)
-	MAINDEBUG((LOG_WARNING, "output: unit != 0!"));
-    if (debug)
-	log_packet(p, len, "sent ");
-
-    str.len = len;
-    str.buf = (caddr_t) p;
-    if(putmsg(fd, NULL, &str, 0) < 0) {
-	syslog(LOG_ERR, "putmsg: %m");
-	die(1);
-    }
-}
-
-
-/*
- * read_packet - get a PPP packet from the serial device.
- */
-int
-read_packet(buf)
-    u_char *buf;
-{
-    struct strbuf str;
-    int len, i;
-
-    str.maxlen = MTU+DLLHEADERLEN;
-    str.buf = (caddr_t) buf;
-    i = 0;
-    len = getmsg(fd, NULL, &str, &i);
-    if (len < 0) {
-	if (errno == EAGAIN || errno == EWOULDBLOCK) {
-	    return -1;
-	}
-	syslog(LOG_ERR, "getmsg(fd) %m");
-	die(1);
-    }
-    if (len) 
-	MAINDEBUG((LOG_DEBUG, "getmsg returned 0x%x",len));
-
-    if (str.len < 0) {
-	MAINDEBUG((LOG_DEBUG, "getmsg short return length %d", str.len));
-	return -1;
-    }
-
-    return str.len;
-}
-
-
-/*
- * ppp_send_config - configure the transmit characteristics of
- * the ppp interface.
- */
-void
-ppp_send_config(unit, mtu, asyncmap, pcomp, accomp)
-    int unit, mtu;
-    u_long asyncmap;
-    int pcomp, accomp;
-{
-    char c;
-    struct ifreq ifr;
-
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
-    ifr.ifr_mtu = mtu;
-    if (ioctl(s, SIOCSIFMTU, (caddr_t) &ifr) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFMTU): %m");
-	quit();
-    }
-
-    if(ioctl(fd, SIOCSIFASYNCMAP, (caddr_t) &asyncmap) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFASYNCMAP): %m");
-	quit();
-    }
-
-    c = (pcomp? 1: 0);
-    if(ioctl(fd, SIOCSIFCOMPPROT, &c) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFCOMPPROT): %m");
-	quit();
-    }
-
-    c = (accomp? 1: 0);
-    if(ioctl(fd, SIOCSIFCOMPAC, &c) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFCOMPAC): %m");
-	quit();
-    }
-}
-
-
-/*
- * ppp_set_xaccm - set the extended transmit ACCM for the interface.
- */
-void
-ppp_set_xaccm(unit, accm)
-    int unit;
-    ext_accm accm;
-{
-    if (ioctl(fd, SIOCSIFXASYNCMAP, accm) < 0 && errno != ENOTTY)
-	syslog(LOG_WARNING, "ioctl(set extended ACCM): %m");
-}
-
-
-/*
- * ppp_recv_config - configure the receive-side characteristics of
- * the ppp interface.
- */
-void
-ppp_recv_config(unit, mru, asyncmap, pcomp, accomp)
-    int unit, mru;
-    u_long asyncmap;
-    int pcomp, accomp;
-{
-    char c;
-
-    if (ioctl(fd, SIOCSIFMRU, &mru) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFMRU): %m");
-    }
-
-    if (ioctl(fd, SIOCSIFRASYNCMAP, (caddr_t) &asyncmap) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFRASYNCMAP): %m");
-    }
-
-    c = 2 + (pcomp? 1: 0);
-    if(ioctl(fd, SIOCSIFCOMPPROT, &c) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFCOMPPROT): %m");
-    }
-
-    c = 2 + (accomp? 1: 0);
-    if (ioctl(fd, SIOCSIFCOMPAC, &c) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFCOMPAC): %m");
-    }
-}
-
-/*
- * sifvjcomp - config tcp header compression
- */
-int
-sifvjcomp(u, vjcomp, cidcomp, maxcid)
-    int u, vjcomp, cidcomp, maxcid;
-{
-    char x;
-
-    x = (vjcomp? 1: 0) + (cidcomp? 0: 2) + (maxcid << 4);
-    if (ioctl(fd, SIOCSIFVJCOMP, (caddr_t) &x) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFVJCOMP): %m");
-	return 0;
-    }
-    return 1;
-}
-
-/*
- * sifup - Config the interface up.
- */
-int
-sifup(u)
-    int u;
-{
-    struct ifreq ifr;
-
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
-    if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
-	syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m");
-	return 0;
-    }
-    ifr.ifr_flags |= IFF_UP;
-    if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
-	return 0;
-    }
-    return 1;
-}
-
-/*
- * sifdown - Config the interface down.
- */
-int
-sifdown(u)
-    int u;
-{
-    struct ifreq ifr;
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
-    if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
-	syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m");
-	return 0;
-    }
-    ifr.ifr_flags &= ~IFF_UP;
-    if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m");
-	return 0;
-    }
-    return 1;
-}
-
-/*
- * SET_SA_FAMILY - initialize a struct sockaddr, setting the sa_family field.
- */
-#define SET_SA_FAMILY(addr, family)		\
-    BZERO((char *) &(addr), sizeof(addr));	\
-    addr.sa_family = (family);
-
-/*
- * sifaddr - Config the interface IP addresses and netmask.
- */
-int
-sifaddr(u, o, h, m)
-    int u;
-    u_long o, h, m;
-{
-    int ret;
-    struct ifreq ifr;
-
-    ret = 1;
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
-    SET_SA_FAMILY(ifr.ifr_addr, AF_INET);
-    ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o;
-    if (ioctl(s, SIOCSIFADDR, (caddr_t) &ifr) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFADDR): %m");
-	ret = 0;
-    }
-    ((struct sockaddr_in *) &ifr.ifr_dstaddr)->sin_addr.s_addr = h;
-    if (ioctl(s, SIOCSIFDSTADDR, (caddr_t) &ifr) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSIFDSTADDR): %m");
-	ret = 0;
-    }
-    if (m != 0) {
-	((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = m;
-	syslog(LOG_INFO, "Setting interface mask to %s\n", ip_ntoa(m));
-	if (ioctl(s, SIOCSIFNETMASK, (caddr_t) &ifr) < 0) {
-	    syslog(LOG_ERR, "ioctl(SIOCSIFNETMASK): %m");
-	    ret = 0;
-	}
-    }
-    return ret;
-}
-
-/*
- * cifaddr - Clear the interface IP addresses, and delete routes
- * through the interface if possible.
- */
-int
-cifaddr(u, o, h)
-    int u;
-    u_long o, h;
-{
-    struct rtentry rt;
-
-    SET_SA_FAMILY(rt.rt_dst, AF_INET);
-    ((struct sockaddr_in *) &rt.rt_dst)->sin_addr.s_addr = h;
-    SET_SA_FAMILY(rt.rt_gateway, AF_INET);
-    ((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = o;
-    rt.rt_flags = RTF_HOST;
-    if (ioctl(s, SIOCDELRT, (caddr_t) &rt) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCDELRT): %m");
-	return 0;
-    }
-    return 1;
-}
-
-/*
- * sifdefaultroute - assign a default route through the address given.
- */
-int
-sifdefaultroute(u, g)
-    int u;
-    u_long g;
-{
-    struct rtentry rt;
-
-    SET_SA_FAMILY(rt.rt_dst, AF_INET);
-    SET_SA_FAMILY(rt.rt_gateway, AF_INET);
-    ((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = g;
-    rt.rt_flags = RTF_GATEWAY;
-    if (ioctl(s, SIOCADDRT, &rt) < 0) {
-	syslog(LOG_ERR, "default route ioctl(SIOCADDRT): %m");
-	return 0;
-    }
-    return 1;
-}
-
-/*
- * cifdefaultroute - delete a default route through the address given.
- */
-int
-cifdefaultroute(u, g)
-    int u;
-    u_long g;
-{
-    struct rtentry rt;
-
-    SET_SA_FAMILY(rt.rt_dst, AF_INET);
-    SET_SA_FAMILY(rt.rt_gateway, AF_INET);
-    ((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = g;
-    rt.rt_flags = RTF_GATEWAY;
-    if (ioctl(s, SIOCDELRT, &rt) < 0) {
-	syslog(LOG_ERR, "default route ioctl(SIOCDELRT): %m");
-	return 0;
-    }
-    return 1;
-}
-
-/*
- * sifproxyarp - Make a proxy ARP entry for the peer.
- */
-int
-sifproxyarp(unit, hisaddr)
-    int unit;
-    u_long hisaddr;
-{
-    struct arpreq arpreq;
-
-    BZERO(&arpreq, sizeof(arpreq));
-
-    /*
-     * Get the hardware address of an interface on the same subnet
-     * as our local address.
-     */
-    if (!get_ether_addr(hisaddr, &arpreq.arp_ha)) {
-	syslog(LOG_WARNING, "Cannot determine ethernet address for proxy ARP");
-	return 0;
-    }
-
-    SET_SA_FAMILY(arpreq.arp_pa, AF_INET);
-    ((struct sockaddr_in *) &arpreq.arp_pa)->sin_addr.s_addr = hisaddr;
-    arpreq.arp_flags = ATF_PERM | ATF_PUBL;
-    if (ioctl(s, SIOCSARP, (caddr_t)&arpreq) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCSARP): %m");
-	return 0;
-    }
-
-    return 1;
-}
-
-/*
- * cifproxyarp - Delete the proxy ARP entry for the peer.
- */
-int
-cifproxyarp(unit, hisaddr)
-    int unit;
-    u_long hisaddr;
-{
-    struct arpreq arpreq;
-
-    BZERO(&arpreq, sizeof(arpreq));
-    SET_SA_FAMILY(arpreq.arp_pa, AF_INET);
-    ((struct sockaddr_in *) &arpreq.arp_pa)->sin_addr.s_addr = hisaddr;
-    if (ioctl(s, SIOCDARP, (caddr_t)&arpreq) < 0) {
-	syslog(LOG_ERR, "ioctl(SIOCDARP): %m");
-	return 0;
-    }
-    return 1;
-}
-
-/*
- * get_ether_addr - get the hardware address of an interface on the
- * the same subnet as ipaddr.  Code borrowed from myetheraddr.c
- * in the cslip-2.6 distribution, which is subject to the following
- * copyright notice (which also applies to logwtmp below):
- *
- * Copyright (c) 1990, 1992 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: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#include <fcntl.h>
-#include <nlist.h>
-#include <kvm.h>
-#include <arpa/inet.h>
-
-/* XXX SunOS 4.1 defines this and 3.5 doesn't... */
-#ifdef _nlist_h
-#define SUNOS4
-#endif
-
-#ifdef SUNOS4
-#include <netinet/in_var.h>
-#endif
-#include <netinet/if_ether.h>
-
-/* Cast a struct sockaddr to a structaddr_in */
-#define SATOSIN(sa) ((struct sockaddr_in *)(sa))
-
-/* Determine if "bits" is set in "flag" */
-#define ALLSET(flag, bits) (((flag) & (bits)) == (bits))
-
-static struct nlist nl[] = {
-#define N_IFNET 0
-	{ "_ifnet" },
-	{ 0 }
-};
-
-static void kread();
-
-int
-get_ether_addr(ipaddr, hwaddr)
-    u_long ipaddr;
-    struct sockaddr *hwaddr;
-{
-    register kvm_t *kd;
-    register struct ifnet *ifp;
-    register struct arpcom *ac;
-    struct arpcom arpcom;
-    struct in_addr *inp;
-#ifdef SUNOS4
-    register struct ifaddr *ifa;
-    register struct in_ifaddr *in;
-    union {
-	struct ifaddr ifa;
-	struct in_ifaddr in;
-    } ifaddr;
-#endif
-    u_long addr, mask;
-
-    /* Open kernel memory for reading */
-    kd = kvm_open(0, 0, 0, O_RDONLY, NULL);
-    if (kd == 0) {
-	syslog(LOG_ERR, "kvm_open: %m");
-	return 0;
-    }
-
-    /* Fetch namelist */
-    if (kvm_nlist(kd, nl) != 0) {
-	syslog(LOG_ERR, "kvm_nlist failed");
-	return 0;
-    }
-
-    ac = &arpcom;
-    ifp = &arpcom.ac_if;
-#ifdef SUNOS4
-    ifa = &ifaddr.ifa;
-    in = &ifaddr.in;
-#endif
-
-    if (kvm_read(kd, nl[N_IFNET].n_value, (char *)&addr, sizeof(addr))
-	!= sizeof(addr)) {
-	syslog(LOG_ERR, "error reading ifnet addr");
-	return 0;
-    }
-    for ( ; addr; addr = (u_long)ifp->if_next) {
-	if (kvm_read(kd, addr, (char *)ac, sizeof(*ac)) != sizeof(*ac)) {
-	    syslog(LOG_ERR, "error reading ifnet");
-	    return 0;
-	}
-
-	/* Only look at configured, broadcast interfaces */
-	if (!ALLSET(ifp->if_flags, IFF_UP | IFF_BROADCAST))
-	    continue;
-#ifdef SUNOS4
-	/* This probably can't happen... */
-	if (ifp->if_addrlist == 0)
-	    continue;
-#endif
-
-	/* Get interface ip address */
-#ifdef SUNOS4
-	if (kvm_read(kd, (u_long)ifp->if_addrlist, (char *)&ifaddr,
-		     sizeof(ifaddr)) != sizeof(ifaddr)) {
-	    syslog(LOG_ERR, "error reading ifaddr");
-	    return 0;
-	}
-	inp = &SATOSIN(&ifa->ifa_addr)->sin_addr;
-#else
-	inp = &SATOSIN(&ifp->if_addr)->sin_addr;
-#endif
-
-	/* Check if this interface on the right subnet */
-#ifdef SUNOS4
-	mask = in->ia_subnetmask;
-#else
-	mask = ifp->if_subnetmask;
-#endif
-	if ((ipaddr & mask) != (inp->s_addr & mask))
-	    continue;
-
-	/* Copy out the local ethernet address */
-	hwaddr->sa_family = AF_UNSPEC;
-	BCOPY((caddr_t) &arpcom.ac_enaddr, hwaddr->sa_data,
-	      sizeof(arpcom.ac_enaddr));
-	return 1;		/* success! */
-    }
-
-    /* couldn't find one */
-    return 0;
-}
-
-#define	WTMPFILE	"/usr/adm/wtmp"
-
-int
-logwtmp(line, name, host)
-    char *line, *name, *host;
-{
-    int fd;
-    struct stat buf;
-    struct utmp ut;
-
-    if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0)
-	return;
-    if (!fstat(fd, &buf)) {
-	(void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
-	(void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
-	(void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
-	(void)time(&ut.ut_time);
-	if (write(fd, (char *)&ut, sizeof(struct utmp)) != sizeof(struct utmp))
-	    (void)ftruncate(fd, buf.st_size);
-    }
-    close(fd);
-}