mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
333fc21e3c
I believe have made all of libc .c's as consistent as possible.
190 lines
4.4 KiB
C
190 lines
4.4 KiB
C
/*-
|
|
* Copyright (c) 1994, Garrett Wollman
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE 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>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <netdb.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <nsswitch.h>
|
|
#include <arpa/nameser.h>
|
|
#ifdef YP
|
|
#include <rpc/rpc.h>
|
|
#include <rpcsvc/yp_prot.h>
|
|
#include <rpcsvc/ypclnt.h>
|
|
#endif
|
|
|
|
#define MAXALIASES 35
|
|
#define MAXADDRS 35
|
|
|
|
#ifdef YP
|
|
static char *host_aliases[MAXALIASES];
|
|
|
|
static struct netent *
|
|
_getnetbynis(const char *name, char *map, int af)
|
|
{
|
|
char *cp, **q;
|
|
static char *result;
|
|
int resultlen;
|
|
static struct netent h;
|
|
static char *domain = (char *)NULL;
|
|
static char ypbuf[YPMAXRECORD + 2];
|
|
|
|
switch(af) {
|
|
case AF_INET:
|
|
break;
|
|
default:
|
|
case AF_INET6:
|
|
errno = EAFNOSUPPORT;
|
|
return NULL;
|
|
}
|
|
|
|
if (domain == (char *)NULL)
|
|
if (yp_get_default_domain (&domain))
|
|
return (NULL);
|
|
|
|
if (yp_match(domain, map, name, strlen(name), &result, &resultlen))
|
|
return (NULL);
|
|
|
|
bcopy((char *)result, (char *)&ypbuf, resultlen);
|
|
ypbuf[resultlen] = '\0';
|
|
free(result);
|
|
result = (char *)&ypbuf;
|
|
|
|
if ((cp = index(result, '\n')))
|
|
*cp = '\0';
|
|
|
|
cp = strpbrk(result, " \t");
|
|
*cp++ = '\0';
|
|
h.n_name = result;
|
|
|
|
while (*cp == ' ' || *cp == '\t')
|
|
cp++;
|
|
|
|
h.n_net = inet_network(cp);
|
|
h.n_addrtype = AF_INET;
|
|
|
|
q = h.n_aliases = host_aliases;
|
|
cp = strpbrk(cp, " \t");
|
|
if (cp != NULL)
|
|
*cp++ = '\0';
|
|
while (cp && *cp) {
|
|
if (*cp == ' ' || *cp == '\t') {
|
|
cp++;
|
|
continue;
|
|
}
|
|
if (q < &host_aliases[MAXALIASES - 1])
|
|
*q++ = cp;
|
|
cp = strpbrk(cp, " \t");
|
|
if (cp != NULL)
|
|
*cp++ = '\0';
|
|
}
|
|
*q = NULL;
|
|
return (&h);
|
|
}
|
|
#endif /* YP */
|
|
|
|
int
|
|
_nis_getnetbyname(void *rval, void *cb_data, va_list ap)
|
|
{
|
|
#ifdef YP
|
|
const char *name;
|
|
|
|
name = va_arg(ap, const char *);
|
|
|
|
*(struct netent **)rval = _getnetbynis(name, "networks.byname", AF_INET);
|
|
return (*(struct netent **)rval != NULL) ? NS_SUCCESS : NS_NOTFOUND;
|
|
#else
|
|
return NS_UNAVAIL;
|
|
#endif
|
|
|
|
}
|
|
|
|
int
|
|
_nis_getnetbyaddr(void *rval, void *cb_data, va_list ap)
|
|
{
|
|
#ifdef YP
|
|
unsigned long addr;
|
|
int af;
|
|
char *str, *cp;
|
|
unsigned long net2;
|
|
int nn;
|
|
unsigned int netbr[4];
|
|
char buf[MAXDNAME];
|
|
|
|
addr = va_arg(ap, unsigned long);
|
|
af = va_arg(ap, int);
|
|
|
|
*(struct netent **)rval = NULL;
|
|
|
|
if (af != AF_INET) {
|
|
errno = EAFNOSUPPORT;
|
|
return NS_UNAVAIL;
|
|
}
|
|
|
|
for (nn = 4, net2 = addr; net2; net2 >>= 8) {
|
|
netbr[--nn] = net2 & 0xff;
|
|
}
|
|
|
|
switch (nn) {
|
|
case 3: /* Class A */
|
|
sprintf(buf, "%u", netbr[3]);
|
|
break;
|
|
case 2: /* Class B */
|
|
sprintf(buf, "%u.%u", netbr[2], netbr[3]);
|
|
break;
|
|
case 1: /* Class C */
|
|
sprintf(buf, "%u.%u.%u", netbr[1], netbr[2], netbr[3]);
|
|
break;
|
|
case 0: /* Class D - E */
|
|
sprintf(buf, "%u.%u.%u.%u", netbr[0], netbr[1],
|
|
netbr[2], netbr[3]);
|
|
break;
|
|
}
|
|
|
|
str = (char *)&buf;
|
|
cp = str + (strlen(str) - 2);
|
|
|
|
while(!strcmp(cp, ".0")) {
|
|
*cp = '\0';
|
|
cp = str + (strlen(str) - 2);
|
|
}
|
|
|
|
*(struct netent **)rval = _getnetbynis(str, "networks.byaddr", af);
|
|
return (*(struct netent**)rval != NULL) ? NS_SUCCESS : NS_NOTFOUND;
|
|
#else
|
|
return NS_UNAVAIL;
|
|
#endif /* YP */
|
|
}
|