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/*
* Copyright (c) 2000, Boris Popov
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $Id: nb_net.c,v 1.8 2004/03/19 01:49:47 lindak Exp $
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/sockio.h>
#include <net/if.h>
#include <ctype.h>
#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <stdio.h>
#include <unistd.h>
#include <err.h>
#include <netsmb/netbios.h>
#include <netsmb/smb_lib.h>
#include <netsmb/nb_lib.h>
int
nb_getlocalname(char *name, size_t maxlen)
{
char buf[1024], *cp;
if (gethostname(buf, sizeof (buf)) != 0)
return (errno);
cp = strchr(buf, '.');
if (cp)
*cp = 0;
strlcpy(name, buf, maxlen);
return (0);
}
int
nb_resolvehost_in(const char *name, struct sockaddr **dest)
{
struct hostent *h;
struct sockaddr_in *sinp;
in_addr_t addr;
struct in_addr in;
int len;
char **p;
h = gethostbyname(name);
if (!h) {
#ifdef DEBUG
warnx("can't get server address `%s': ", name);
#endif
return (ENETDOWN);
}
if (h->h_addrtype != AF_INET) {
#ifdef DEBUG
warnx("address for `%s' is not in the AF_INET family", name);
#endif
return (EAFNOSUPPORT);
}
if (h->h_length != 4) {
#ifdef DEBUG
warnx("address for `%s' has invalid length", name);
#endif
return (EAFNOSUPPORT);
}
len = sizeof (struct sockaddr_in);
sinp = malloc(len);
if (sinp == NULL)
return (ENOMEM);
bzero(sinp, len);
/*
* There is no sin_len in sockaddr_in structure on Solaris.
* sinp->sin_len = len;
*/
sinp->sin_family = h->h_addrtype;
memcpy(&sinp->sin_addr.s_addr, *h->h_addr_list,\
sizeof (sinp->sin_addr.s_addr));
sinp->sin_port = htons(SMB_TCP_PORT);
*dest = (struct sockaddr *)sinp;
return (0);
}
#ifdef NOT_DEFINED
int
nb_enum_if(struct nb_ifdesc **iflist) {
struct lifconf ifc;
struct lifreq *ifrqp;
struct nb_ifdesc *ifd;
struct in_addr iaddr, imask;
struct lifnum ifn;
char *ifrdata, *iname;
int s, rdlen, ifcnt, error, iflags, i;
*iflist = NULL;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s == -1)
return (errno);
/* Get number of interfaces. */
ifn.lifn_family = AF_INET;
ifn.lifn_flags = 0;
ifn.lifn_count = 0;
if (ioctl(s, SIOCGLIFNUM, &ifn) != 0) {
error = errno;
goto bad;
}
rdlen = ifn.lifn_count * sizeof (struct lifreq);
ifrdata = malloc(rdlen);
if (ifrdata == NULL) {
error = ENOMEM;
goto bad;
}
ifc.lifc_flags = 0;
ifc.lifc_family = AF_INET;
ifc.lifc_len = rdlen;
ifc.lifc_buf = ifrdata;
if (ioctl(s, SIOCGLIFCONF, &ifc) != 0) {
error = errno;
goto bad;
}
ifrqp = ifc.lifc_req;
ifcnt = ifc.lifc_len / sizeof (struct lifreq);
error = 0;
for (i = 0; i < ifcnt; i++, ifrqp++) {
/* XXX for now, avoid IP6 broadcast performance costs */
if (ifrqp->lifr_addr.ss_family != AF_INET)
continue;
if (ioctl(s, SIOCGLIFFLAGS, ifrqp) != 0)
continue;
iflags = ifrqp->lifr_flags;
if ((iflags & IFF_UP) == 0 || (iflags & IFF_BROADCAST) == 0)
continue;
if (ioctl(s, SIOCGLIFADDR, ifrqp) != 0 ||
ifrqp->lifr_addr.ss_family != AF_INET) {
continue;
}
iname = ifrqp->lifr_name;
if (strlen(iname) >= sizeof (ifd->id_name))
continue;
iaddr = (*(struct sockaddr_in *)&ifrqp->lifr_addr).sin_addr;
if (ioctl(s, SIOCGLIFNETMASK, ifrqp) != 0)
continue;
imask = ((struct sockaddr_in *)&ifrqp->lifr_addr)->sin_addr;
ifd = malloc(sizeof (struct nb_ifdesc));
if (ifd == NULL)
return (ENOMEM);
bzero(ifd, sizeof (struct nb_ifdesc));
strcpy(ifd->id_name, iname);
ifd->id_flags = iflags;
ifd->id_addr = iaddr;
ifd->id_mask = imask;
ifd->id_next = *iflist;
*iflist = ifd;
}
bad:
free(ifrdata);
close(s);
return (error);
}
/*ARGSUSED*/
int
nbns_resolvename(const char *name, struct sockaddr **dest)
{
printf("NetBIOS name resolver is not included in this distribution.\n");
printf("Please use '-I' option to specify an IP address of server.\n");
return (EHOSTUNREACH);
}
int
nb_hostlookup(struct nb_name *np, const char *server, const char *hint,
struct sockaddr_nb **dst)
{
struct sockaddr_nb *snb;
int error;
error = nb_sockaddr(NULL, np, &snb);
if (error)
return (error);
do {
if (hint) {
error = nb_resolvehost_in(host, snb);
if (error)
break;
} else {
error = nb_resolvename(server);
}
} while (0);
if (!error) {
*dst = snb;
} else
nb_snbfree(snb);
return (error);
}
#endif
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