[Icescan-cvs] IceScan/dnet-exported/src Makefile, NONE, 1.1 Makefile.am, NONE, 1.1 Makefile.in, NON

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Update of /cvsroot/icescan/IceScan/dnet-exported/src
In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv31421/dnet-exported/src

Added Files:
	Makefile Makefile.am Makefile.in addr-util.c addr.c arp-bsd.c 
	arp-ioctl.c arp-none.c arp-win32.c err.c eth-bsd.c eth-dlpi.c 
	eth-linux.c eth-ndd.c eth-none.c eth-pfilt.c eth-snoop.c 
	eth-win32.c intf-win32.c intf.c ip-cooked.c ip-util.c 
	ip-win32.c ip.c ip6.c memcmp.c route-bsd.c route-hpux.c 
	route-linux.c route-none.c route-win32.c strlcat.c strlcpy.c 
	strsep.c 
Log Message:

Initial libDnet import to repository.

--- NEW FILE: addr.c ---
/*
 * addr.c
 *
 * Network address operations.
 *
 * Copyright (c) 2000 Dug Song <du...@mo...>
 *
 * $Id: addr.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#ifdef _WIN32
	#include "winconfig.h"
#else
	#include "config.h"
#endif

#include <sys/types.h>
#ifdef HAVE_NET_IF_H
# include <sys/socket.h>
# include <net/if.h>
#endif
#ifdef HAVE_NET_IF_DL_H
# include <net/if_dl.h>
#endif
#ifdef HAVE_NET_RAW_H
# include <net/raw.h>
#endif

#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "dnet.h"

#ifndef MAXHOSTNAMELEN
# define MAXHOSTNAMELEN	256
#endif

union sockunion {
#ifdef HAVE_NET_IF_DL_H
	struct sockaddr_dl	sdl;
#endif
	struct sockaddr_in	sin;
#ifdef HAVE_SOCKADDR_IN6
	struct sockaddr_in6	sin6;
#endif
	struct sockaddr		sa;
#ifdef AF_RAW
	struct sockaddr_raw	sr;
#endif
};

int
addr_cmp(const struct addr *a, const struct addr *b)
{
	int i, j, k;

	/* XXX */
	if ((i = a->addr_type - b->addr_type) != 0)
		return (i);

	/* XXX - 10.0.0.1 is "smaller" than 10.0.0.0/8? */
	if ((i = a->addr_bits - b->addr_bits) != 0)
		return (i);

	j = b->addr_bits / 8;

	for (i = 0; i < j; i++) {
		if ((k = a->addr_data8[i] - b->addr_data8[i]) != 0)
			return (k);
	}
	if ((k = b->addr_bits % 8) == 0)
		return (0);

	k = ~0 << (8 - k);
	i = b->addr_data8[j] & k;
	j = a->addr_data8[j] & k;

	return (j - i);
}

int
addr_net(const struct addr *a, struct addr *b)
{
	uint32_t mask;
	int i, j;

	if (a->addr_type == ADDR_TYPE_IP) {
		addr_btom(a->addr_bits, &mask, IP_ADDR_LEN);
		b->addr_type = ADDR_TYPE_IP;
		b->addr_bits = IP_ADDR_BITS;
		b->addr_ip = a->addr_ip & mask;
	} else if (a->addr_type == ADDR_TYPE_ETH) {
		memcpy(b, a, sizeof(*b));
		if (a->addr_data8[0] & 0x1)
			memset(b->addr_data8 + 3, 0, 3);
		b->addr_bits = ETH_ADDR_BITS;
	} else if (a->addr_type == ADDR_TYPE_IP6) {
		b->addr_type = ADDR_TYPE_IP6;
		b->addr_bits = IP6_ADDR_BITS;
		memset(&b->addr_ip6, 0, IP6_ADDR_LEN);

		switch ((i = a->addr_bits / 32)) {
		case 4: b->addr_data32[3] = a->addr_data32[3];
		case 3: b->addr_data32[2] = a->addr_data32[2];
		case 2: b->addr_data32[1] = a->addr_data32[1];
		case 1: b->addr_data32[0] = a->addr_data32[0];
		}
		if ((j = a->addr_bits % 32) > 0) {
			addr_btom(j, &mask, sizeof(mask));
			b->addr_data32[i] = a->addr_data32[i] & mask;
		}
	} else
		return (-1);

	return (0);
}

int
addr_bcast(const struct addr *a, struct addr *b)
{
	struct addr mask;

	if (a->addr_type == ADDR_TYPE_IP) {
		addr_btom(a->addr_bits, &mask.addr_ip, IP_ADDR_LEN);
		b->addr_type = ADDR_TYPE_IP;
		b->addr_bits = IP_ADDR_BITS;
		b->addr_ip = (a->addr_ip & mask.addr_ip) |
		    (~0L & ~mask.addr_ip);
	} else if (a->addr_type == ADDR_TYPE_ETH) {
		b->addr_type = ADDR_TYPE_ETH;
		b->addr_bits = ETH_ADDR_BITS;
		memcpy(&b->addr_eth, ETH_ADDR_BROADCAST, ETH_ADDR_LEN);
	} else {
		/* XXX - no broadcast addresses in IPv6 */
		errno = EINVAL;
		return (-1);
	}
	return (0);
}

char *
addr_ntop(const struct addr *src, char *dst, size_t size)
{
	if (src->addr_type == ADDR_TYPE_IP && size >= 20) {
		if (ip_ntop(&src->addr_ip, dst, size) != NULL) {
			if (src->addr_bits != IP_ADDR_BITS)
				sprintf(dst + strlen(dst), "/%d",
				    src->addr_bits);
			return (dst);
		}
	} else if (src->addr_type == ADDR_TYPE_IP6 && size >= 42) {
		if (ip6_ntop(&src->addr_ip6, dst, size) != NULL) {
			if (src->addr_bits != IP6_ADDR_BITS)
				sprintf(dst + strlen(dst), "/%d",
				    src->addr_bits);
			return (dst);
		}
	} else if (src->addr_type == ADDR_TYPE_ETH && size >= 18) {
		if (src->addr_bits == ETH_ADDR_BITS)
			return (eth_ntop(&src->addr_eth, dst, size));
	}
	errno = EINVAL;
	return (NULL);
}

int
addr_pton(const char *src, struct addr *dst)
{
	struct hostent *hp;
	char *ep, tmp[300];
	long bits = -1;
	int i;

	for (i = 0; i < (int)sizeof(tmp) - 1; i++) {
		if (src[i] == '/') {
			tmp[i] = '\0';
			if (strchr(&src[i + 1], '.')) {
				uint32_t m;
				uint16_t b;
				/* XXX - mask is specified like /255.0.0.0 */
				if (ip_pton(&src[i + 1], &m) != 0) {
					errno = EINVAL;
					return (-1);
				}
				addr_mtob(&m, sizeof(m), &b);
				bits = b;
			} else {
				bits = strtol(&src[i + 1], &ep, 10);
				if (ep == src || *ep != '\0' || bits < 0) {
					errno = EINVAL;
					return (-1);
				}
			}
			break;
		} else if ((tmp[i] = src[i]) == '\0')
			break;
	}
	if (ip_pton(tmp, &dst->addr_ip) == 0) {
		dst->addr_type = ADDR_TYPE_IP;
		dst->addr_bits = IP_ADDR_BITS;
	} else if (eth_pton(tmp, &dst->addr_eth) == 0) {
		dst->addr_type = ADDR_TYPE_ETH;
		dst->addr_bits = ETH_ADDR_BITS;
	} else if (ip6_pton(tmp, &dst->addr_ip6) == 0) {
		dst->addr_type = ADDR_TYPE_IP6;
		dst->addr_bits = IP6_ADDR_BITS;
	} else if ((hp = gethostbyname(tmp)) != NULL) {
		memcpy(&dst->addr_ip, hp->h_addr, IP_ADDR_LEN);
		dst->addr_type = ADDR_TYPE_IP;
		dst->addr_bits = IP_ADDR_BITS;
	} else {
		errno = EINVAL;
		return (-1);
	}
	if (bits >= 0) {
		if (bits > dst->addr_bits) {
			errno = EINVAL;
			return (-1);
		}
		dst->addr_bits = (uint16_t)bits;
	}
	return (0);
}

char *
addr_ntoa(const struct addr *a)
{
	static char *p, buf[BUFSIZ];
	char *q = NULL;

	if (p == NULL || p > buf + sizeof(buf) - 64 /* XXX */)
		p = buf;

	if (addr_ntop(a, p, (buf + sizeof(buf)) - p) != NULL) {
		q = p;
		p += strlen(p) + 1;
	}
	return (q);
}

int
addr_ntos(const struct addr *a, struct sockaddr *sa)
{
	union sockunion *so = (union sockunion *)sa;

	switch (a->addr_type) {
	case ADDR_TYPE_ETH:
#ifdef HAVE_NET_IF_DL_H
		memset(&so->sdl, 0, sizeof(so->sdl));
# ifdef HAVE_SOCKADDR_SA_LEN
		so->sdl.sdl_len = sizeof(so->sdl);
# endif
		so->sdl.sdl_family = AF_LINK;
		so->sdl.sdl_alen = ETH_ADDR_LEN;
		memcpy(LLADDR(&so->sdl), &a->addr_eth, ETH_ADDR_LEN);
#else
		memset(sa, 0, sizeof(*sa));
# ifdef AF_LINK
		sa->sa_family = AF_LINK;
# else
		sa->sa_family = AF_UNSPEC;
# endif
		memcpy(sa->sa_data, &a->addr_eth, ETH_ADDR_LEN);
#endif
		break;
#ifdef HAVE_SOCKADDR_IN6
	case ADDR_TYPE_IP6:
		memset(&so->sin6, 0, sizeof(so->sin6));
#ifdef HAVE_SOCKADDR_SA_LEN
		so->sin6.sin6_len = sizeof(so->sin6);
#endif
		so->sin6.sin6_family = AF_INET6;
		memcpy(&so->sin6.sin6_addr, &a->addr_ip6, IP6_ADDR_LEN);
		break;
#endif
	case ADDR_TYPE_IP:
		memset(&so->sin, 0, sizeof(so->sin));
#ifdef HAVE_SOCKADDR_SA_LEN
		so->sin.sin_len = sizeof(so->sin);
#endif
		so->sin.sin_family = AF_INET;
		so->sin.sin_addr.s_addr = a->addr_ip;
		break;
	default:
		errno = EINVAL;
		return (-1);
	}
	return (0);
}

int
addr_ston(const struct sockaddr *sa, struct addr *a)
{
	union sockunion *so = (union sockunion *)sa;

	memset(a, 0, sizeof(*a));

	switch (sa->sa_family) {
#ifdef HAVE_NET_IF_DL_H
	case AF_LINK:
		if (so->sdl.sdl_alen != ETH_ADDR_LEN) {
			errno = EINVAL;
			return (-1);
		}
		a->addr_type = ADDR_TYPE_ETH;
		a->addr_bits = ETH_ADDR_BITS;
		memcpy(&a->addr_eth, LLADDR(&so->sdl), ETH_ADDR_LEN);
		break;
#endif
	case AF_UNSPEC:
	case ARP_HRD_ETH:	/* XXX- Linux arp(7) */
		a->addr_type = ADDR_TYPE_ETH;
		a->addr_bits = ETH_ADDR_BITS;
		memcpy(&a->addr_eth, sa->sa_data, ETH_ADDR_LEN);
		break;

#ifdef AF_RAW
	case AF_RAW:		/* XXX - IRIX raw(7f) */
		a->addr_type = ADDR_TYPE_ETH;
		a->addr_bits = ETH_ADDR_BITS;
		memcpy(&a->addr_eth, so->sr.sr_addr, ETH_ADDR_LEN);
		break;
#endif
#ifdef HAVE_SOCKADDR_IN6
	case AF_INET6:
		a->addr_type = ADDR_TYPE_IP6;
		a->addr_bits = IP6_ADDR_BITS;
		memcpy(&a->addr_ip6, &so->sin6.sin6_addr, IP6_ADDR_LEN);
		break;
#endif
	case AF_INET:
		a->addr_type = ADDR_TYPE_IP;
		a->addr_bits = IP_ADDR_BITS;
		a->addr_ip = so->sin.sin_addr.s_addr;
		break;
	default:
		errno = EINVAL;
		return (-1);
	}
	return (0);
}

int
addr_btos(uint16_t bits, struct sockaddr *sa)
{
	union sockunion *so = (union sockunion *)sa;

#ifdef HAVE_SOCKADDR_IN6
	if (bits > IP_ADDR_BITS && bits <= IP6_ADDR_BITS) {
		memset(&so->sin6, 0, sizeof(so->sin6));
#ifdef HAVE_SOCKADDR_SA_LEN
		so->sin6.sin6_len = IP6_ADDR_LEN + (bits / 8) + (bits % 8);
#endif
		so->sin6.sin6_family = AF_INET6;
		return (addr_btom(bits, &so->sin6.sin6_addr, IP6_ADDR_LEN));
	} else
#endif
	if (bits <= IP_ADDR_BITS) {
		memset(&so->sin, 0, sizeof(so->sin));
#ifdef HAVE_SOCKADDR_SA_LEN
		so->sin.sin_len = IP_ADDR_LEN + (bits / 8) + (bits % 8);
#endif
		so->sin.sin_family = AF_INET;
		return (addr_btom(bits, &so->sin.sin_addr, IP_ADDR_LEN));
	}
	errno = EINVAL;
	return (-1);
}

int
addr_stob(const struct sockaddr *sa, uint16_t *bits)
{
	union sockunion *so = (union sockunion *)sa;
	int i, j, len;
	uint16_t n;
	u_char *p;

#ifdef HAVE_SOCKADDR_IN6
	if (sa->sa_family == AF_INET6) {
		len = IP6_ADDR_LEN;
		p = (u_char *)&so->sin6.sin6_addr;
	} else
#endif
	{
#ifdef HAVE_SOCKADDR_SA_LEN
		if ((len = sa->sa_len - IP_ADDR_LEN) > IP_ADDR_LEN)
#endif
		len = IP_ADDR_LEN;
		p = (u_char *)&so->sin.sin_addr.s_addr;
	}
	for (n = i = 0; i < len; i++, n += 8) {
		if (p[i] != 0xff)
			break;
	}
	if (i != len && p[i]) {
		for (j = 7; j > 0; j--, n++) {
			if ((p[i] & (1 << j)) == 0)
				break;
		}
	}
	*bits = n;

	return (0);
}

int
addr_btom(uint16_t bits, void *mask, size_t size)
{
	int net, host;
	u_char *p;

	if (size == IP_ADDR_LEN) {
		if (bits > IP_ADDR_BITS) {
			errno = EINVAL;
			return (-1);
		}
		*(uint32_t *)mask = bits ?
		    htonl(~0 << (IP_ADDR_BITS - bits)) : 0;
	} else {
		if (size * 8 < bits) {
			errno = EINVAL;
			return (-1);
		}
		p = (u_char *)mask;

		if ((net = bits / 8) > 0)
			memset(p, 0xff, net);

		if ((host = bits % 8) > 0) {
			p[net] = 0xff << (8 - host);
			memset(&p[net + 1], 0, size - net - 1);
		} else
			memset(&p[net], 0, size - net);
	}
	return (0);
}

int
addr_mtob(const void *mask, size_t size, uint16_t *bits)
{
	uint16_t n;
	u_char *p;
	int i, j;

	p = (u_char *)mask;

	for (n = i = 0; i < (int)size; i++, n += 8) {
		if (p[i] != 0xff)
			break;
	}
	if (i != (int)size && p[i]) {
		for (j = 7; j > 0; j--, n++) {
			if ((p[i] & (1 << j)) == 0)
				break;
		}
	}
	*bits = n;

	return (0);
}

--- NEW FILE: intf-win32.c ---
/*
 * intf-win32.c
 *
 * Copyright (c) 2002 Dug Song <du...@mo...>
 *
 * $Id: intf-win32.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#ifdef _WIN32
	#include "winconfig.h"
#else
	#include "config.h"
#endif

#include <iphlpapi.h>

#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "dnet.h"

struct ifcombo {
	DWORD		*idx;
	int		 cnt;
	int		 max;
};

#define MIB_IF_TYPE_MAX	 32	/* XXX - ipifcons.h */

struct intf_handle {
	struct ifcombo	 ifcombo[MIB_IF_TYPE_MAX];
	MIB_IFTABLE	*iftable;
	MIB_IPADDRTABLE	*iptable;
};

static char *
_ifcombo_name(int type)
{
	char *name = "net";	/* XXX */

	if (type == MIB_IF_TYPE_ETHERNET) {
		name = "eth";
	} else if (type == MIB_IF_TYPE_TOKENRING) {
		name = "tr";
	} else if (type == MIB_IF_TYPE_FDDI) {
		name = "fddi";
	} else if (type == MIB_IF_TYPE_PPP) {
		name = "ppp";
	} else if (type == MIB_IF_TYPE_LOOPBACK) {
		name = "lo";
	} else if (type == MIB_IF_TYPE_SLIP) {
		name = "sl";
	}
	return (name);
}

static int
_ifcombo_type(const char *device)
{
	int type = INTF_TYPE_OTHER;

	if (strncmp(device, "eth", 3) == 0) {
		type = INTF_TYPE_ETH;
	} else if (strncmp(device, "tr", 2) == 0) {
		type = INTF_TYPE_TOKENRING;
	} else if (strncmp(device, "fd", 2) == 0) {
		type = INTF_TYPE_FDDI;
	} else if (strncmp(device, "ppp", 3) == 0) {
		type = INTF_TYPE_PPP;
	} else if (strncmp(device, "lo", 2) == 0) {
		type = INTF_TYPE_LOOPBACK;
	} else if (strncmp(device, "sl", 2) == 0) {
		type = INTF_TYPE_SLIP;
	}
	return (type);
}

static void
_ifcombo_add(struct ifcombo *ifc, DWORD idx)
{
	if (ifc->cnt == ifc->max) {
		if (ifc->idx) {
			ifc->max *= 2;
			ifc->idx = realloc(ifc->idx,
			    sizeof(ifc->idx[0] * ifc->max));
		} else {
			ifc->max = 8;
			ifc->idx = malloc(sizeof(ifc->idx[0] * ifc->max));
		}
	}
	ifc->idx[ifc->cnt++] = idx;
}

static void
_ifrow_to_entry(intf_t *intf, MIB_IFROW *ifrow, struct intf_entry *entry)
{
	struct addr *ap, *lap;
	int i;

	memset(entry, 0, sizeof(*entry));

	for (i = 0; i < intf->ifcombo[ifrow->dwType].cnt; i++) {
		if (intf->ifcombo[ifrow->dwType].idx[i] == ifrow->dwIndex)
			break;
	}
	/* XXX - dwType matches MIB-II ifType. */
	snprintf(entry->intf_name, sizeof(entry->intf_name), "%s%lu",
	    _ifcombo_name(ifrow->dwType), i);
	entry->intf_type = (uint16_t)ifrow->dwType;

	/* Get interface flags. */
	entry->intf_flags = 0;
	if (ifrow->dwAdminStatus == MIB_IF_ADMIN_STATUS_UP)
		entry->intf_flags |= INTF_FLAG_UP;
	if (ifrow->dwType == MIB_IF_TYPE_LOOPBACK)
		entry->intf_flags |= INTF_FLAG_LOOPBACK;
	else
		entry->intf_flags |= INTF_FLAG_MULTICAST;

	/* Get interface MTU. */
	entry->intf_mtu = ifrow->dwMtu;

	/* Get hardware address. */
	if (ifrow->dwPhysAddrLen == ETH_ADDR_LEN) {
		entry->intf_link_addr.addr_type = ADDR_TYPE_ETH;
		entry->intf_link_addr.addr_bits = ETH_ADDR_BITS;
		memcpy(&entry->intf_link_addr.addr_eth, ifrow->bPhysAddr,
		    ETH_ADDR_LEN);
	}
	/* Get addresses. */
	ap = entry->intf_alias_addrs;
	lap = ap + ((entry->intf_len - sizeof(*entry)) /
	    sizeof(entry->intf_alias_addrs[0]));
	for (i = 0; i < (int)intf->iptable->dwNumEntries; i++) {
		if (intf->iptable->table[i].dwIndex == ifrow->dwIndex &&
		    intf->iptable->table[i].dwAddr != 0) {
			if (entry->intf_addr.addr_type == ADDR_TYPE_NONE) {
				/* Set primary address if unset. */
				entry->intf_addr.addr_type = ADDR_TYPE_IP;
				entry->intf_addr.addr_ip =
				    intf->iptable->table[i].dwAddr;
				addr_mtob(&intf->iptable->table[i].dwMask,
				    IP_ADDR_LEN, &entry->intf_addr.addr_bits);
			} else if (ap < lap) {
				/* Set aliases. */
				ap->addr_type = ADDR_TYPE_IP;
				ap->addr_ip = intf->iptable->table[i].dwAddr;
				addr_mtob(&intf->iptable->table[i].dwMask,
				    IP_ADDR_LEN, &ap->addr_bits);
				ap++, entry->intf_alias_num++;
			}
		}
	}
	entry->intf_len = (u_char *)ap - (u_char *)entry;
}

static int
_refresh_tables(intf_t *intf)
{
	MIB_IFROW *ifrow;
	ULONG len;
	u_int i, ret;

	/* Get interface table. */
	for (len = sizeof(intf->iftable[0]); ; ) {
		if (intf->iftable)
			free(intf->iftable);
		intf->iftable = malloc(len);
		ret = GetIfTable(intf->iftable, &len, FALSE);
		if (ret == NO_ERROR)
			break;
		else if (ret != ERROR_INSUFFICIENT_BUFFER)
			return (-1);
	}
	/* Get IP address table. */
	for (len = sizeof(intf->iptable[0]); ; ) {
		if (intf->iptable)
			free(intf->iptable);
		intf->iptable = malloc(len);
		ret = GetIpAddrTable(intf->iptable, &len, FALSE);
		if (ret == NO_ERROR)
			break;
		else if (ret != ERROR_INSUFFICIENT_BUFFER)
			return (-1);
	}
	/*
	 * Map "unfriendly" win32 interface indices to ours.
	 * XXX - like IP_ADAPTER_INFO ComboIndex
	 */
	for (i = 0; i < intf->iftable->dwNumEntries; i++) {
		ifrow = &intf->iftable->table[i];
		if (ifrow->dwType < MIB_IF_TYPE_MAX) {
			_ifcombo_add(&intf->ifcombo[ifrow->dwType],
			    ifrow->dwIndex);
		} else
			return (-1);
	}
	return (0);
}

static int
_find_ifindex(intf_t *intf, const char *device)
{
	char *p = (char *)device;
	int n, type = _ifcombo_type(device);

	while (isalpha(*p)) p++;
	n = atoi(p);

	return (intf->ifcombo[type].idx[n]);
}

intf_t *
intf_open(void)
{
	return (calloc(1, sizeof(intf_t)));
}

int
intf_get(intf_t *intf, struct intf_entry *entry)
{
	MIB_IFROW ifrow;

	if (_refresh_tables(intf) < 0)
		return (-1);

	ifrow.dwIndex = _find_ifindex(intf, entry->intf_name);

	if (GetIfEntry(&ifrow) != NO_ERROR)
		return (-1);

	_ifrow_to_entry(intf, &ifrow, entry);

	return (0);
}

int
intf_get_src(intf_t *intf, struct intf_entry *entry, struct addr *src)
{
	MIB_IFROW ifrow;
	MIB_IPADDRROW *iprow;
	int i;

	if (src->addr_type != ADDR_TYPE_IP) {
		errno = EINVAL;
		return (-1);
	}
	if (_refresh_tables(intf) < 0)
		return (-1);

	for (i = 0; i < (int)intf->iptable->dwNumEntries; i++) {
		iprow = &intf->iptable->table[i];
		if (iprow->dwAddr == src->addr_ip) {
			ifrow.dwIndex = iprow->dwIndex;
			if (GetIfEntry(&ifrow) != NO_ERROR)
				return (-1);
			_ifrow_to_entry(intf, &ifrow, entry);
			return (0);
		}
	}
	errno = ENXIO;
	return (-1);
}

int
intf_get_dst(intf_t *intf, struct intf_entry *entry, struct addr *dst)
{
	MIB_IFROW ifrow;

	if (dst->addr_type != ADDR_TYPE_IP) {
		errno = EINVAL;
		return (-1);
	}
	if (GetBestInterface(dst->addr_ip, &ifrow.dwIndex) != NO_ERROR)
		return (-1);

	if (GetIfEntry(&ifrow) != NO_ERROR)
		return (-1);

	if (_refresh_tables(intf) < 0)
		return (-1);

	_ifrow_to_entry(intf, &ifrow, entry);

	return (0);
}

int
intf_set(intf_t *intf, const struct intf_entry *entry)
{
	/*
	 * XXX - could set interface up/down via SetIfEntry(),
	 * but what about the rest of the configuration? :-(
	 * {Add,Delete}IPAddress for 2000/XP only
	 */
#if 0
	/* Set interface address. XXX - 2000/XP only? */
	if (entry->intf_addr.addr_type == ADDR_TYPE_IP) {
		ULONG ctx = 0, inst = 0;
		UINT ip, mask;

		memcpy(&ip, &entry->intf_addr.addr_ip, IP_ADDR_LEN);
		addr_btom(entry->intf_addr.addr_bits, &mask, IP_ADDR_LEN);

		if (AddIPAddress(ip, mask,
			_find_ifindex(intf, entry->intf_name),
			&ctx, &inst) != NO_ERROR) {
			return (-1);
		}
		return (0);
	}
#endif
	errno = ENOSYS;
	SetLastError(ERROR_NOT_SUPPORTED);
	return (-1);
}

int
intf_loop(intf_t *intf, intf_handler callback, void *arg)
{
	struct intf_entry *entry;
	u_char ebuf[1024];
	int i, ret = 0;

	if (_refresh_tables(intf) < 0)
		return (-1);

	entry = (struct intf_entry *)ebuf;

	for (i = 0; i < (int)intf->iftable->dwNumEntries; i++) {
		entry->intf_len = sizeof(ebuf);
		_ifrow_to_entry(intf, &intf->iftable->table[i], entry);
		if ((ret = (*callback)(entry, arg)) != 0)
			break;
	}
	return (ret);
}

intf_t *
intf_close(intf_t *intf)
{
	int i;

	if (intf != NULL) {
		for (i = 0; i < MIB_IF_TYPE_MAX; i++) {
			if (intf->ifcombo[i].idx)
				free(intf->ifcombo[i].idx);
		}
		if (intf->iftable)
			free(intf->iftable);
		if (intf->iptable)
			free(intf->iptable);
		free(intf);
	}
	return (NULL);
}

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# @configure_input@

# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005  Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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	  echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$p'"; \
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	  test "$$dir" != "$$p" || dir=.; \
	  echo "rm -f \"$${dir}/so_locations\""; \
	  rm -f "$${dir}/so_locations"; \
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	$(LINK) -rpath $(libdir) $(libdnet_la_LDFLAGS) $(libdnet_la_OBJECTS) $(libdnet_la_LIBADD) $(LIBS)

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	$(COMPILE) -c `$(CYGPATH_W) '$<'`

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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

--- NEW FILE: arp-none.c ---
/*
 * arp-none.c
 *
 * Copyright (c) 2000 Dug Song <du...@mo...>
 *
 * $Id: arp-none.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#include "config.h"

#include <sys/types.h>

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>

#include "dnet.h"

arp_t *
arp_open(void)
{
	errno = ENOSYS;
	return (NULL);
}

int
arp_add(arp_t *a, const struct arp_entry *entry)
{
	errno = ENOSYS;
	return (-1);
}

int
arp_delete(arp_t *a, const struct arp_entry *entry)
{
	errno = ENOSYS;
	return (-1);
}

int
arp_get(arp_t *a, struct arp_entry *entry)
{
	errno = ENOSYS;
	return (-1);
}

int
arp_loop(arp_t *a, arp_handler callback, void *arg)
{
	errno = ENOSYS;
	return (-1);
}

arp_t *
arp_close(arp_t *a)
{
	return (NULL);
}

--- NEW FILE: Makefile ---
# Makefile.in generated by automake 1.9.6 from Makefile.am.
# src/Makefile.  Generated from Makefile.in by configure.

# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005  Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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srcdir = .
top_srcdir = ..

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	intf-win32.c intf.c ip-cooked.c ip-win32.c ip.c memcmp.c \
	route-bsd.c route-hpux.c route-linux.c route-none.c \
	route-win32.c strlcat.c strlcpy.c strsep.c
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clean-libLTLIBRARIES:
	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

--- NEW FILE: ip-util.c ---
/*
 * ip-util.c
 *
 * Copyright (c) 2002 Dug Song <du...@mo...>
 *
 * $Id: ip-util.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#ifdef _WIN32
	#include "winconfig.h"
#else
	#include "config.h"
#endif

#include <errno.h>
#include <stdlib.h>
#include <string.h>

#include "dnet.h"

ssize_t
ip_add_option(void *buf, size_t len, int proto,
    const void *optbuf, size_t optlen)
{
	struct ip_hdr *ip;
	struct tcp_hdr *tcp = NULL;
	u_char *p;
	int hl, datalen, padlen;

	if (proto != IP_PROTO_IP && proto != IP_PROTO_TCP) {
		errno = EINVAL;
		return (-1);
	}
	ip = (struct ip_hdr *)buf;
	hl = ip->ip_hl << 2;
	p = (u_char *)buf + hl;

	if (proto == IP_PROTO_TCP) {
		tcp = (struct tcp_hdr *)p;
		hl = tcp->th_off << 2;
		p = (u_char *)tcp + hl;
	}
	datalen = ntohs(ip->ip_len) - (p - (u_char *)buf);

	/* Compute padding to next word boundary. */
	if ((padlen = 4 - (optlen % 4)) == 4)
		padlen = 0;

	/* XXX - IP_HDR_LEN_MAX == TCP_HDR_LEN_MAX */
	if (hl + optlen + padlen > IP_HDR_LEN_MAX ||
	    ntohs(ip->ip_len) + optlen + padlen > len) {
		errno = EINVAL;
		return (-1);
	}
	/* XXX - IP_OPT_TYPEONLY() == TCP_OPT_TYPEONLY */
	if (IP_OPT_TYPEONLY(((struct ip_opt *)optbuf)->opt_type))
		optlen = 1;

	/* Shift any existing data. */
	if (datalen) {
		memmove(p + optlen + padlen, p, datalen);
	}
	/* XXX - IP_OPT_NOP == TCP_OPT_NOP */
	if (padlen) {
		memset(p, IP_OPT_NOP, padlen);
		p += padlen;
	}
	memmove(p, optbuf, optlen);
	p += optlen;
	optlen += padlen;

	if (proto == IP_PROTO_IP)
		ip->ip_hl = (p - (u_char *)ip) >> 2;
	else if (proto == IP_PROTO_TCP)
		tcp->th_off = (p - (u_char *)tcp) >> 2;

	ip->ip_len = htons(ntohs(ip->ip_len) + optlen);

	return (optlen);
}

void
ip_checksum(void *buf, size_t len)
{
	struct ip_hdr *ip;
	int hl, off, sum;

	if (len < IP_HDR_LEN)
		return;

	ip = (struct ip_hdr *)buf;
	hl = ip->ip_hl << 2;
	ip->ip_sum = 0;
	sum = ip_cksum_add(ip, hl, 0);
	ip->ip_sum = ip_cksum_carry(sum);

	off = htons(ip->ip_off);

	if ((off & IP_OFFMASK) != 0 || (off & IP_MF) != 0)
		return;

	len -= hl;

	if (ip->ip_p == IP_PROTO_TCP) {
		struct tcp_hdr *tcp = (struct tcp_hdr *)((u_char *)ip + hl);

		if (len >= TCP_HDR_LEN) {
			tcp->th_sum = 0;
			sum = ip_cksum_add(tcp, len, 0) +
			    htons(ip->ip_p + len);
			sum = ip_cksum_add(&ip->ip_src, 8, sum);
			tcp->th_sum = ip_cksum_carry(sum);
		}
	} else if (ip->ip_p == IP_PROTO_UDP) {
		struct udp_hdr *udp = (struct udp_hdr *)((u_char *)ip + hl);

		if (len >= UDP_HDR_LEN) {
			udp->uh_sum = 0;
			sum = ip_cksum_add(udp, len, 0) +
			    htons(ip->ip_p + len);
			sum = ip_cksum_add(&ip->ip_src, 8, sum);
			udp->uh_sum = ip_cksum_carry(sum);
			if (!udp->uh_sum)
				udp->uh_sum = 0xffff;	/* RFC 768 */
		}
	} else if (ip->ip_p == IP_PROTO_ICMP || ip->ip_p == IP_PROTO_IGMP) {
		struct icmp_hdr *icmp = (struct icmp_hdr *)((u_char *)ip + hl);

		if (len >= ICMP_HDR_LEN) {
			icmp->icmp_cksum = 0;
			sum = ip_cksum_add(icmp, len, 0);
			icmp->icmp_cksum = ip_cksum_carry(sum);
		}
	}
}

int
ip_cksum_add(const void *buf, size_t len, int cksum)
{
	uint16_t *sp = (uint16_t *)buf;
	int n, sn;

	sn = len / 2;
	n = (sn + 15) / 16;

	/* XXX - unroll loop using Duff's device. */
	switch (sn % 16) {
	case 0:	do {
		cksum += *sp++;
	case 15:
		cksum += *sp++;
	case 14:
		cksum += *sp++;
	case 13:
		cksum += *sp++;
	case 12:
		cksum += *sp++;
	case 11:
		cksum += *sp++;
	case 10:
		cksum += *sp++;
	case 9:
		cksum += *sp++;
	case 8:
		cksum += *sp++;
	case 7:
		cksum += *sp++;
	case 6:
		cksum += *sp++;
	case 5:
		cksum += *sp++;
	case 4:
		cksum += *sp++;
	case 3:
		cksum += *sp++;
	case 2:
		cksum += *sp++;
	case 1:
		cksum += *sp++;
		} while (--n > 0);
	}
	if (len & 1)
		cksum += htons(*(u_char *)sp << 8);

	return (cksum);
}

--- NEW FILE: eth-snoop.c ---
/*
 * eth-snoop.c
 *
 * Copyright (c) 2000 Dug Song <du...@mo...>
 *
 * $Id: eth-snoop.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#include "config.h"

#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>

#include <net/if.h>
#include <net/raw.h>

#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>

#include "dnet.h"

struct eth_handle {
	int		fd;
	struct ifreq	ifr;
};

eth_t *
eth_open(const char *device)
{
	struct sockaddr_raw sr;
	eth_t *e;
	int n;

	if ((e = calloc(1, sizeof(*e))) == NULL)
		return (NULL);

	if ((e->fd = socket(PF_RAW, SOCK_RAW, RAWPROTO_SNOOP)) < 0)
		return (eth_close(e));

	memset(&sr, 0, sizeof(sr));
	sr.sr_family = AF_RAW;
	strlcpy(sr.sr_ifname, device, sizeof(sr.sr_ifname));

	if (bind(e->fd, (struct sockaddr *)&sr, sizeof(sr)) < 0)
		return (eth_close(e));

	n = 60000;
	if (setsockopt(e->fd, SOL_SOCKET, SO_SNDBUF, &n, sizeof(n)) < 0)
		return (eth_close(e));

	strlcpy(e->ifr.ifr_name, device, sizeof(e->ifr.ifr_name));

	return (e);
}

int
eth_get(eth_t *e, eth_addr_t *ea)
{
	struct addr ha;

	if (ioctl(e->fd, SIOCGIFADDR, &e->ifr) < 0)
		return (-1);

	if (addr_ston(&e->ifr.ifr_addr, &ha) < 0)
		return (-1);

	if (ha.addr_type != ADDR_TYPE_ETH) {
		errno = EINVAL;
		return (-1);
	}
	memcpy(ea, &ha.addr_eth, sizeof(*ea));

	return (0);
}

int
eth_set(eth_t *e, const eth_addr_t *ea)
{
	struct addr ha;

	ha.addr_type = ADDR_TYPE_ETH;
	ha.addr_bits = ETH_ADDR_BITS;
	memcpy(&ha.addr_eth, ea, ETH_ADDR_LEN);

	if (addr_ntos(&ha, &e->ifr.ifr_addr) < 0)
		return (-1);

	return (ioctl(e->fd, SIOCSIFADDR, &e->ifr));
}

ssize_t
eth_send(eth_t *e, const void *buf, size_t len)
{
	return (write(e->fd, buf, len));
}

eth_t *
eth_close(eth_t *e)
{
	if (e != NULL) {
		if (e->fd >= 0)
			close(e->fd);
		free(e);
	}
	return (NULL);
}

--- NEW FILE: eth-ndd.c ---
/*
 * eth-ndd.c
 *
 * Copyright (c) 2001 Dug Song <du...@mo...>
 *
 * $Id: eth-ndd.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#include "config.h"

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ndd_var.h>
#include <sys/kinfo.h>

#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "dnet.h"

struct eth_handle {
	char	device[16];
	int	fd;
};

eth_t *
eth_open(const char *device)
{
	struct sockaddr_ndd_8022 sa;
	eth_t *e;

	if ((e = calloc(1, sizeof(*e))) == NULL)
		return (NULL);

	if ((e->fd = socket(AF_NDD, SOCK_DGRAM, NDD_PROT_ETHER)) < 0)
		return (eth_close(e));

	sa.sndd_8022_family = AF_NDD;
        sa.sndd_8022_len = sizeof(sa);
	sa.sndd_8022_filtertype = NS_ETHERTYPE;
	sa.sndd_8022_ethertype = ETH_TYPE_IP;
	sa.sndd_8022_filterlen = sizeof(struct ns_8022);
	strlcpy(sa.sndd_8022_nddname, device, sizeof(sa.sndd_8022_nddname));

	if (bind(e->fd, (struct sockaddr *)&sa, sizeof(sa)) < 0)
		return (eth_close(e));

	if (connect(e->fd, (struct sockaddr *)&sa, sizeof(sa)) < 0)
		return (eth_close(e));

	/* XXX - SO_BROADCAST needed? */

	return (e);
}

ssize_t
eth_send(eth_t *e, const void *buf, size_t len)
{
	return (write(e->fd, buf, len));
}

eth_t *
eth_close(eth_t *e)
{
	if (e != NULL) {
		if (e->fd >= 0)
			close(e->fd);
		free(e);
	}
	return (NULL);
}

int
eth_get(eth_t *e, eth_addr_t *ea)
{
	struct kinfo_ndd *nddp;
	int size;
	void *end;

	if ((size = getkerninfo(KINFO_NDD, 0, 0, 0)) == 0) {
		errno = ENOENT;
		return (-1);
	} else if (size < 0)
		return (-1);

	if ((nddp = malloc(size)) == NULL)
		return (-1);

	if (getkerninfo(KINFO_NDD, nddp, &size, 0) < 0) {
		free(nddp);
		return (-1);
	}
	for (end = (void *)nddp + size; (void *)nddp < end; nddp++) {
		if (strcmp(nddp->ndd_alias, e->device) == 0 ||
		    strcmp(nddp->ndd_name, e->device) == 0) {
			memcpy(ea, nddp->ndd_addr, sizeof(*ea));
		}
	}
	free(nddp);

	if ((void *)nddp >= end) {
		errno = ESRCH;
		return (-1);
	}
	return (0);
}

int
eth_set(eth_t *e, const eth_addr_t *ea)
{
	errno = ENOSYS;
	return (-1);
}

--- NEW FILE: eth-none.c ---
/*
 * eth-none.c
 *
 * Copyright (c) 2000 Dug Song <du...@mo...>
 *
 * $Id: eth-none.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#include "config.h"

#include <sys/types.h>

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>

#include "dnet.h"

eth_t *
eth_open(const char *device)
{
	errno = ENOSYS;
	return (NULL);
}

ssize_t
eth_send(eth_t *e, const void *buf, size_t len)
{
	errno = ENOSYS;
	return (-1);
}

eth_t *
eth_close(eth_t *e)
{
	return (NULL);
}

int
eth_get(eth_t *e, eth_addr_t *ea)
{
	errno = ENOSYS;
	return (-1);
}

int
eth_set(eth_t *e, const eth_addr_t *ea)
{
	errno = ENOSYS;
	return (-1);
}

--- NEW FILE: eth-bsd.c ---
/*
 * eth-bsd.c
 *
 * Copyright (c) 2001 Dug Song <du...@mo...>
 *
 * $Id: eth-bsd.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#include "config.h"

#include <sys/param.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/time.h>
#if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_ROUTE_RT_MSGHDR)
#include <sys/sysctl.h>
#include <net/route.h>
#include <net/if_dl.h>
#endif
#include <net/bpf.h>
#include <net/if.h>

#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "dnet.h"

struct eth_handle {
	int	fd;
	char	device[16];
};

eth_t *
eth_open(const char *device)
{
	struct ifreq ifr;
	char file[32];
	eth_t *e;
	int i;

	if ((e = calloc(1, sizeof(*e))) != NULL) {
		for (i = 0; i < 32; i++) {
			snprintf(file, sizeof(file), "/dev/bpf%d", i);
			e->fd = open(file, O_WRONLY);
			if (e->fd != -1 || errno != EBUSY)
				break;
		}
		if (e->fd < 0)
			return (eth_close(e));

		memset(&ifr, 0, sizeof(ifr));
		strlcpy(ifr.ifr_name, device, sizeof(ifr.ifr_name));

		if (ioctl(e->fd, BIOCSETIF, (char *)&ifr) < 0)
			return (eth_close(e));
#ifdef BIOCSHDRCMPLT
		i = 1;
		if (ioctl(e->fd, BIOCSHDRCMPLT, &i) < 0)
			return (eth_close(e));
#endif
		strlcpy(e->device, device, sizeof(e->device));
	}
	return (e);
}

ssize_t
eth_send(eth_t *e, const void *buf, size_t len)
{
	return (write(e->fd, buf, len));
}

eth_t *
eth_close(eth_t *e)
{
	if (e != NULL) {
		if (e->fd >= 0)
			close(e->fd);
		free(e);
	}
	return (NULL);
}

#if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_ROUTE_RT_MSGHDR)
int
eth_get(eth_t *e, eth_addr_t *ea)
{
	struct if_msghdr *ifm;
	struct sockaddr_dl *sdl;
	struct addr ha;
	u_char *p, *buf;
	size_t len;
	int mib[] = { CTL_NET, AF_ROUTE, 0, AF_LINK, NET_RT_IFLIST, 0 };

	if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
		return (-1);

	if ((buf = malloc(len)) == NULL)
		return (-1);

	if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
		free(buf);
		return (-1);
	}
	for (p = buf; p < buf + len; p += ifm->ifm_msglen) {
		ifm = (struct if_msghdr *)p;
		sdl = (struct sockaddr_dl *)(ifm + 1);

		if (ifm->ifm_type != RTM_IFINFO ||
		    (ifm->ifm_addrs & RTA_IFP) == 0)
			continue;

		if (sdl->sdl_family != AF_LINK || sdl->sdl_nlen == 0 ||
		    memcmp(sdl->sdl_data, e->device, sdl->sdl_nlen) != 0)
			continue;

		if (addr_ston((struct sockaddr *)sdl, &ha) == 0)
			break;
	}
	free(buf);

	if (p >= buf + len) {
		errno = ESRCH;
		return (-1);
	}
	memcpy(ea, &ha.addr_eth, sizeof(*ea));

	return (0);
}
#else
int
eth_get(eth_t *e, eth_addr_t *ea)
{
	errno = ENOSYS;
	return (-1);
}
#endif

#if defined(SIOCSIFLLADDR)
int
eth_set(eth_t *e, const eth_addr_t *ea)
{
	struct ifreq ifr;
	struct addr ha;

	ha.addr_type = ADDR_TYPE_ETH;
	ha.addr_bits = ETH_ADDR_BITS;
	memcpy(&ha.addr_eth, ea, ETH_ADDR_LEN);

	memset(&ifr, 0, sizeof(ifr));
	strlcpy(ifr.ifr_name, e->device, sizeof(ifr.ifr_name));
	addr_ntos(&ha, &ifr.ifr_addr);

	return (ioctl(e->fd, SIOCSIFLLADDR, &ifr));
}
#else
int
eth_set(eth_t *e, const eth_addr_t *ea)
{
	errno = ENOSYS;
	return (-1);
}
#endif

--- NEW FILE: Makefile.am ---
## $Id: Makefile.am,v 1.1 2009/04/14 15:43:35 darkkey Exp $

include $(top_srcdir)/Makefile.am.common

lib_LTLIBRARIES = libdnet.la

libdnet_la_SOURCES = addr-util.c addr.c ip-util.c ip6.c

libdnet_la_LIBADD = @LTLIBOBJS@

libdnet_la_LDFLAGS = -version-info 1:1:0

--- NEW FILE: eth-dlpi.c ---
/*
 * eth-dlpi.c
 *
 * Based on Neal Nuckolls' 1992 "How to Use DLPI" paper.
 *
 * Copyright (c) 2001 Dug Song <du...@mo...>
 *
 * $Id: eth-dlpi.c,v 1.1 2009/04/14 15:43:35 darkkey Exp $
 */

#include "config.h"

#include <sys/types.h>
#ifdef HAVE_SYS_BUFMOD_H
#include <sys/bufmod.h>
#endif
#ifdef HAVE_SYS_DLPI_H
#include <sys/dlpi.h>
#elif defined(HAVE_SYS_DLPIHDR_H)
#include <sys/dlpihdr.h>
#endif
#ifdef HAVE_SYS_DLPI_EXT_H
#include <sys/dlpi_ext.h>
#endif
#include <sys/stream.h>

#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stropts.h>
#include <unistd.h>

#include "dnet.h"

#ifndef INFTIM
#define INFTIM	-1
#endif

struct eth_handle {
	int	fd;
	int	sap_len;
};

static int
dlpi_msg(int fd, union DL_primitives *dlp, int rlen, int flags,
    int ack, int alen, int size)
{
	struct strbuf ctl;

	ctl.maxlen = 0;
	ctl.len = rlen;
	ctl.buf = (caddr_t)dlp;

	if (putmsg(fd, &ctl, NULL, flags) < 0)
		return (-1);

	ctl.maxlen = size;
	ctl.len = 0;

	flags = 0;

	if (getmsg(fd, &ctl, NULL, &flags) < 0)
		return (-1);

	if (dlp->dl_primitive != ack || ctl.len < alen)
		return (-1);

	return (0);
}

#if defined(DLIOCRAW) |...

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