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re-add YP parts.

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This commit is contained in:
mrg 1997-04-13 10:56:20 +00:00
parent 9af7a40037
commit b7055da7c4
1 changed files with 142 additions and 2 deletions
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144
lib/libc/net/gethostnamadr.c
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@ -1,4 +1,4 @@
/* $NetBSD: gethostnamadr.c,v 1.20 1997/04/13 10:30:34 mrg Exp $ */
/* $NetBSD: gethostnamadr.c,v 1.21 1997/04/13 10:56:20 mrg Exp $ */
/*
* ++Copyright++ 1985, 1988, 1993
@ -60,7 +60,7 @@
static char sccsid[] = "@(#)gethostnamadr.c 8.1 (Berkeley) 6/4/93";
static char rcsid[] = "Id: gethnamaddr.c,v 8.20 1996/09/28 06:51:07 vixie Exp";
#else
static char rcsid[] = "$NetBSD: gethostnamadr.c,v 1.20 1997/04/13 10:30:34 mrg Exp $";
static char rcsid[] = "$NetBSD: gethostnamadr.c,v 1.21 1997/04/13 10:56:20 mrg Exp $";
#endif
#endif /* LIBC_SCCS and not lint */
@ -87,6 +87,12 @@ static char rcsid[] = "$NetBSD: gethostnamadr.c,v 1.20 1997/04/13 10:30:34 mrg E
#include <stdlib.h>
#include <string.h>
#ifdef YP
#include <rpc/rpc.h>
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#endif
#define MAXALIASES 35
#define MAXADDRS 35
@ -95,6 +101,10 @@ static const char AskedForGot[] =
static char *h_addr_ptrs[MAXADDRS + 1];
#ifdef YP
static char *__ypdomain;
#endif
static struct hostent host;
static char *host_aliases[MAXALIASES];
static char hostbuf[8*1024];
@ -954,3 +964,133 @@ dn_skipname(comp_dn, eom)
return (__dn_skipname(comp_dn, eom));
}
#endif /*old-style libc with yp junk in it*/
#ifdef YP
struct hostent *
_yphostent(line)
char *line;
{
static struct in_addr host_addrs[MAXADDRS];
char *p = line;
char *cp, **q;
char **hap;
struct in_addr *buf;
int more;
host.h_name = NULL;
host.h_addr_list = h_addr_ptrs;
host.h_length = sizeof(u_int32_t);
host.h_addrtype = AF_INET;
hap = h_addr_ptrs;
buf = host_addrs;
q = host.h_aliases = host_aliases;
nextline:
more = 0;
cp = strpbrk(p, " \t");
if (cp == NULL) {
if (host.h_name == NULL)
return (NULL);
else
goto done;
}
*cp++ = '\0';
*hap++ = (char *)buf;
(void) inet_aton(p, buf++);
while (*cp == ' ' || *cp == '\t')
cp++;
p = cp;
cp = strpbrk(p, " \t\n");
if (cp != NULL) {
if (*cp == '\n')
more = 1;
*cp++ = '\0';
}
if (!host.h_name)
host.h_name = p;
else if (strcmp(host.h_name, p)==0)
;
else if (q < &host_aliases[MAXALIASES - 1])
*q++ = p;
p = cp;
if (more)
goto nextline;
while (cp && *cp) {
if (*cp == ' ' || *cp == '\t') {
cp++;
continue;
}
if (*cp == '\n') {
cp++;
goto nextline;
}
if (q < &host_aliases[MAXALIASES - 1])
*q++ = cp;
cp = strpbrk(cp, " \t");
if (cp != NULL)
*cp++ = '\0';
}
done:
*q = NULL;
*hap = NULL;
return (&host);
}
struct hostent *
_yp_gethtbyaddr(addr, len, type)
const char *addr;
int len, type;
{
struct hostent *hp = (struct hostent *)NULL;
static char *__ypcurrent;
int __ypcurrentlen, r;
char name[sizeof("xxx.xxx.xxx.xxx") + 1];
if (!__ypdomain) {
if (_yp_check(&__ypdomain) == 0)
return (hp);
}
(void)snprintf(name, sizeof name, "%u.%u.%u.%u",
((unsigned)addr[0] & 0xff),
((unsigned)addr[1] & 0xff),
((unsigned)addr[2] & 0xff),
((unsigned)addr[3] & 0xff));
if (__ypcurrent)
free(__ypcurrent);
__ypcurrent = NULL;
r = yp_match(__ypdomain, "hosts.byaddr", name,
strlen(name), &__ypcurrent, &__ypcurrentlen);
if (r==0)
hp = _yphostent(__ypcurrent);
if (hp==NULL)
h_errno = HOST_NOT_FOUND;
return (hp);
}
struct hostent *
_yp_gethtbyname(name)
const char *name;
{
struct hostent *hp = (struct hostent *)NULL;
static char *__ypcurrent;
int __ypcurrentlen, r;
if (!__ypdomain) {
if (_yp_check(&__ypdomain) == 0)
return (hp);
}
if (__ypcurrent)
free(__ypcurrent);
__ypcurrent = NULL;
r = yp_match(__ypdomain, "hosts.byname", name,
strlen(name), &__ypcurrent, &__ypcurrentlen);
if (r==0)
hp = _yphostent(__ypcurrent);
if (hp==NULL)
h_errno = HOST_NOT_FOUND;
return (hp);
}
#endif