glibc/nis/nss_nis/nis-ethers.c
Ulrich Drepper ac9f45cfd1 Update NIS+.
1998-01-24  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/Makefile: Distribute nis_cache2.h, add nis cache functions
	to routines.
	* nis/nis_cache.c: New.
	* nis/nis_cache2.h: New.
	* nis/nis_cache2_xdr.c: New.
	* nis/nis_call.c: Changes for cache2_info parameter.
	* nis/nis_checkpoint.c: Likewise.
	* nis/nis_intern.h: Likewise.
	* nis/nis_mkdir.c: Likewise.
	* nis/nis_ping.c: Likewise.
	* nis/nis_rmdir.c: Likewise.
	* nis/nis_server.c: Likewise.
	* nis/nis_util.c: Likewise.

1997-12-30  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nss_nisplus/nisplus-alias.c: Fix bogus if case and
	return/errnop codes.
	* nis/nss_nisplus/nisplus-ethers.c: Likewise.
	* nis/nss_nisplus/nisplus-grp.c: Likewise.
	* nis/nss_nisplus/nisplus-hosts.c: Likewise.
	* nis/nss_nisplus/nisplus-proto.c: Likewise.
	* nis/nss_nisplus/nisplus-publickey.c: Likewise.
	* nis/nss_nisplus/nisplus-pwd.c: Likewise.
	* nis/nss_nisplus/nisplus-rpc.c: Likewise
	* nis/nss_nisplus/nisplus-service.c: Likewise.
	* nis/nss_nisplus/nisplus-spwd.c: Likewise.

1997-12-28  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nss_nis/nis-alias.c: Use errnop, not __set_errno().
	* nis/nss_nis/nis-ethers.c: Likewise.
	* nis/nss_nis/nis-grp.c: Likewise.
	* nis/nss_nis/nis-hosts.c: Likewise.
	* nis/nss_nis/nis-network.c: Likewise.
	* nis/nss_nis/nis-proto.c: Likewise.
	* nis/nss_nis/nis-hosts.c: Likewise.
	* nis/nss_nis/nis-network.c: Likewise.
	* nis/nss_nis/nis-proto.c: Likewise.
	* nis/nss_nis/nis-publickey.c: Likewise.
	* nis/nss_nis/nis-pwd.c: Likewise.
	* nis/nss_nis/nis-rpc.c: Likewise.
	* nis/nss_nis/nis-service.c: Likewise.
	* nis/nss_nis/nis-spwd.c: Likewise.
1998-01-24 13:45:44 +00:00

304 lines
6.5 KiB
C

/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <nss.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include <bits/libc-lock.h>
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>
#include <netinet/if_ether.h>
#include "nss-nis.h"
/* Protect global state against multiple changers */
__libc_lock_define_initialized (static, lock)
struct ether
{
const char *e_name;
struct ether_addr e_addr;
};
/* Get the declaration of the parser function. */
#define ENTNAME etherent
#define STRUCTURE ether
#define EXTERN_PARSER
#include <nss/nss_files/files-parse.c>
struct response
{
char *val;
struct response *next;
};
static struct response *start = NULL;
static struct response *next = NULL;
static int
saveit (int instatus, char *inkey, int inkeylen, char *inval,
int invallen, char *indata)
{
if (instatus != YP_TRUE)
return instatus;
if (inkey && inkeylen > 0 && inval && invallen > 0)
{
if (start == NULL)
{
start = malloc (sizeof (struct response));
next = start;
}
else
{
next->next = malloc (sizeof (struct response));
next = next->next;
}
next->next = NULL;
next->val = malloc (invallen + 1);
strncpy (next->val, inval, invallen);
next->val[invallen] = '\0';
}
return 0;
}
static enum nss_status
internal_nis_setetherent (void)
{
char *domainname;
struct ypall_callback ypcb;
enum nss_status status;
yp_get_default_domain (&domainname);
while (start != NULL)
{
if (start->val != NULL)
free (start->val);
next = start;
start = start->next;
free (next);
}
start = NULL;
ypcb.foreach = saveit;
ypcb.data = NULL;
status = yperr2nss (yp_all (domainname, "ethers.byname", &ypcb));
next = start;
return status;
}
enum nss_status
_nss_nis_setetherent (void)
{
enum nss_status result;
__libc_lock_lock (lock);
result = internal_nis_setetherent ();
__libc_lock_unlock (lock);
return result;
}
enum nss_status
_nss_nis_endetherent (void)
{
__libc_lock_lock (lock);
while (start != NULL)
{
if (start->val != NULL)
free (start->val);
next = start;
start = start->next;
free (next);
}
start = NULL;
next = NULL;
__libc_lock_unlock (lock);
return NSS_STATUS_SUCCESS;
}
static enum nss_status
internal_nis_getetherent_r (struct ether *eth, char *buffer, size_t buflen,
int *errnop)
{
struct parser_data *data = (void *) buffer;
int parse_res;
if (start == NULL)
internal_nis_setetherent ();
/* Get the next entry until we found a correct one. */
do
{
char *p;
if (next == NULL)
return NSS_STATUS_NOTFOUND;
p = strncpy (buffer, next->val, buflen);
while (isspace (*p))
++p;
parse_res = _nss_files_parse_etherent (p, eth, data, buflen, errnop);
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
next = next->next;
}
while (!parse_res);
return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nis_getetherent_r (struct ether *result, char *buffer, size_t buflen,
int *errnop)
{
int status;
__libc_lock_lock (lock);
status = internal_nis_getetherent_r (result, buffer, buflen, errnop);
__libc_lock_unlock (lock);
return status;
}
enum nss_status
_nss_nis_gethostton_r (const char *name, struct ether *eth,
char *buffer, size_t buflen, int *errnop)
{
struct parser_data *data = (void *) buffer;
enum nss_status retval;
char *domain, *result, *p;
int len, parse_res;
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
retval = yperr2nss (yp_match (domain, "ethers.byname", name,
strlen (name), &result, &len));
if (retval != NSS_STATUS_SUCCESS)
{
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
if ((size_t) (len + 1) > buflen)
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
parse_res = _nss_files_parse_etherent (p, eth, data, buflen, errnop);
if (parse_res < 1)
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
}
return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nis_getntohost_r (struct ether_addr *addr, struct ether *eth,
char *buffer, size_t buflen, int *errnop)
{
struct parser_data *data = (void *) buffer;
enum nss_status retval;
char *domain, *result, *p;
int len, nlen, parse_res;
char buf[33];
if (addr == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
nlen = sprintf (buf, "%x:%x:%x:%x:%x:%x",
(int) addr->ether_addr_octet[0],
(int) addr->ether_addr_octet[1],
(int) addr->ether_addr_octet[2],
(int) addr->ether_addr_octet[3],
(int) addr->ether_addr_octet[4],
(int) addr->ether_addr_octet[5]);
retval = yperr2nss (yp_match (domain, "ethers.byaddr", buf,
nlen, &result, &len));
if (retval != NSS_STATUS_SUCCESS)
{
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
if ((size_t) (len + 1) > buflen)
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
parse_res = _nss_files_parse_etherent (p, eth, data, buflen, errnop);
if (parse_res < 1)
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
}
return NSS_STATUS_SUCCESS;
}