minix/lib/libc/gen/getnetgrent.c
Lionel Sambuc f14fb60209 Libraries updates and cleanup
* Updating common/lib
 * Updating lib/csu
 * Updating lib/libc
 * Updating libexec/ld.elf_so
 * Corrected test on __minix in featuretest to actually follow the
   meaning of the comment.
 * Cleaned up _REENTRANT-related defintions.
 * Disabled -D_REENTRANT for libfetch
 * Removing some unneeded __NBSD_LIBC defines and tests

Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
2013-01-14 11:36:26 +01:00

990 lines
20 KiB
C

/* $NetBSD: getnetgrent.c,v 1.42 2012/03/20 16:36:05 matt Exp $ */
/*
* Copyright (c) 1994 Christos Zoulas
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: getnetgrent.c,v 1.42 2012/03/20 16:36:05 matt Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <db.h>
#include <err.h>
#include <fcntl.h>
#define _NETGROUP_PRIVATE
#include <stringlist.h>
#include <netgroup.h>
#include <nsswitch.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef YP
#include <rpc/rpc.h>
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/yp_prot.h>
#endif
#ifdef __weak_alias
__weak_alias(endnetgrent,_endnetgrent)
__weak_alias(getnetgrent,_getnetgrent)
__weak_alias(innetgr,_innetgr)
__weak_alias(setnetgrent,_setnetgrent)
#endif
#define _NG_STAR(s) (((s) == NULL || *(s) == '\0') ? _ngstar : s)
#define _NG_EMPTY(s) ((s) == NULL ? "" : s)
#define _NG_ISSPACE(p) (isspace((unsigned char) (p)) || (p) == '\n')
static const char _ngstar[] = "*";
static struct netgroup *_nghead = NULL;
static struct netgroup *_nglist = NULL;
static DB *_ng_db;
static int getstring(char **, int, __aconst char **);
static struct netgroup *getnetgroup(char **);
static int lookup(char *, char **, int);
static int addgroup(StringList *, char *);
static int in_check(const char *, const char *, const char *,
struct netgroup *);
static int in_find(StringList *, char *, const char *, const char *,
const char *);
static char *in_lookup1(const char *, const char *, int);
static int in_lookup(const char *, const char *, const char *, int);
#ifdef NSSRC_FILES
static const ns_src default_files_nis[] = {
{ NSSRC_FILES, NS_SUCCESS | NS_NOTFOUND },
#ifdef YP
{ NSSRC_NIS, NS_SUCCESS },
#endif
{ 0, 0 },
};
#endif
/*
* getstring(): Get a string delimited by the character, skipping leading and
* trailing blanks and advancing the pointer
*/
static int
getstring(char **pp, int del, char __aconst **str)
{
size_t len;
char *sp, *ep, *dp;
_DIAGASSERT(pp != NULL);
_DIAGASSERT(str != NULL);
/* skip leading blanks */
for (sp = *pp; *sp && _NG_ISSPACE(*sp); sp++)
continue;
/* accumulate till delimiter or space */
for (ep = sp; *ep && *ep != del && !_NG_ISSPACE(*ep); ep++)
continue;
/* hunt for the delimiter */
for (dp = ep; *dp && *dp != del && _NG_ISSPACE(*dp); dp++)
continue;
if (*dp != del) {
*str = NULL;
return 0;
}
*pp = ++dp;
len = (ep - sp) + 1;
if (len > 1) {
dp = malloc(len);
if (dp == NULL)
return 0;
(void)memcpy(dp, sp, len);
dp[len - 1] = '\0';
} else
dp = NULL;
*str = dp;
return 1;
}
/*
* getnetgroup(): Parse a netgroup, and advance the pointer
*/
static struct netgroup *
getnetgroup(char **pp)
{
struct netgroup *ng;
_DIAGASSERT(pp != NULL);
_DIAGASSERT(*pp != NULL);
ng = malloc(sizeof(struct netgroup));
if (ng == NULL)
return NULL;
(*pp)++; /* skip '(' */
if (!getstring(pp, ',', &ng->ng_host))
goto badhost;
if (!getstring(pp, ',', &ng->ng_user))
goto baduser;
if (!getstring(pp, ')', &ng->ng_domain))
goto baddomain;
#ifdef DEBUG_NG
{
char buf[1024];
(void) fprintf(stderr, "netgroup %s\n",
_ng_print(buf, sizeof(buf), ng));
}
#endif
return ng;
baddomain:
if (ng->ng_user)
free(ng->ng_user);
baduser:
if (ng->ng_host)
free(ng->ng_host);
badhost:
free(ng);
return NULL;
}
void
_ng_cycle(const char *grp, const StringList *sl)
{
size_t i;
warnx("netgroup: Cycle in group `%s'", grp);
(void)fprintf(stderr, "groups: ");
for (i = 0; i < sl->sl_cur; i++)
(void)fprintf(stderr, "%s ", sl->sl_str[i]);
(void)fprintf(stderr, "\n");
}
static int _local_lookup(void *, void *, va_list);
/*ARGSUSED*/
static int
_local_lookup(void *rv, void *cb_data, va_list ap)
{
char *name = va_arg(ap, char *);
char **line = va_arg(ap, char **);
int bywhat = va_arg(ap, int);
DBT key, data;
size_t len;
char *ks;
int r;
if (_ng_db == NULL)
return NS_UNAVAIL;
len = strlen(name) + 2;
ks = malloc(len);
if (ks == NULL)
return NS_UNAVAIL;
ks[0] = bywhat;
(void)memcpy(&ks[1], name, len - 1);
key.data = (u_char *)ks;
key.size = len;
r = (*_ng_db->get)(_ng_db, &key, &data, 0);
free(ks);
switch (r) {
case 0:
break;
case 1:
return NS_NOTFOUND;
case -1:
/* XXX: call endnetgrent() here ? */
return NS_UNAVAIL;
}
*line = strdup(data.data);
if (*line == NULL)
return NS_UNAVAIL;
return NS_SUCCESS;
}
#ifdef YP
static int _nis_lookup(void *, void *, va_list);
/*ARGSUSED*/
static int
_nis_lookup(void *rv, void *cb_data, va_list ap)
{
char *name = va_arg(ap, char *);
char **line = va_arg(ap, char **);
int bywhat = va_arg(ap, int);
static char *__ypdomain;
int i;
const char *map = NULL;
if(__ypdomain == NULL) {
switch (yp_get_default_domain(&__ypdomain)) {
case 0:
break;
case YPERR_RESRC:
return NS_TRYAGAIN;
default:
return NS_UNAVAIL;
}
}
switch (bywhat) {
case _NG_KEYBYNAME:
map = "netgroup";
break;
case _NG_KEYBYUSER:
map = "netgroup.byuser";
break;
case _NG_KEYBYHOST:
map = "netgroup.byhost";
break;
default:
abort();
}
*line = NULL;
switch (yp_match(__ypdomain, map, name, (int)strlen(name), line, &i)) {
case 0:
return NS_SUCCESS;
case YPERR_KEY:
if (*line)
free(*line);
return NS_NOTFOUND;
default:
if (*line)
free(*line);
return NS_UNAVAIL;
}
/* NOTREACHED */
}
#endif
#ifdef NSSRC_FILES
/*
* lookup(): Find the given key in the database or yp, and return its value
* in *line; returns 1 if key was found, 0 otherwise
*/
static int
lookup(char *name, char **line, int bywhat)
{
int r;
static const ns_dtab dtab[] = {
NS_FILES_CB(_local_lookup, NULL)
NS_NIS_CB(_nis_lookup, NULL)
NS_NULL_CB
};
_DIAGASSERT(name != NULL);
_DIAGASSERT(line != NULL);
r = nsdispatch(NULL, dtab, NSDB_NETGROUP, "lookup", default_files_nis,
name, line, bywhat);
return (r == NS_SUCCESS) ? 1 : 0;
}
#else
static int
_local_lookupv(int *rv, void *cbdata, ...)
{
int e;
va_list ap;
va_start(ap, cbdata);
e = _local_lookup(rv, cbdata, ap);
va_end(ap);
return e;
}
static int
lookup(name, line, bywhat)
char *name;
char **line;
int bywhat;
{
return _local_lookupv(NULL, NULL, name, line, bywhat) == NS_SUCCESS;
}
#endif
/*
* _ng_parse(): Parse a line and return: _NG_ERROR: Syntax Error _NG_NONE:
* line was empty or a comment _NG_GROUP: line had a netgroup definition,
* returned in ng _NG_NAME: line had a netgroup name, returned in name
*
* Public since used by netgroup_mkdb
*/
int
_ng_parse(char **p, char **name, struct netgroup **ng)
{
_DIAGASSERT(p != NULL);
_DIAGASSERT(*p != NULL);
_DIAGASSERT(name != NULL);
_DIAGASSERT(ng != NULL);
while (**p) {
if (**p == '#')
/* comment */
return _NG_NONE;
while (**p && _NG_ISSPACE(**p))
/* skipblank */
(*p)++;
if (**p == '(') {
if ((*ng = getnetgroup(p)) == NULL)
return _NG_ERROR;
return _NG_GROUP;
} else {
char *np;
size_t i;
for (np = *p; **p && !_NG_ISSPACE(**p); (*p)++)
continue;
if (np != *p) {
i = (*p - np) + 1;
*name = malloc(i);
if (*name == NULL)
return _NG_ERROR;
(void)memcpy(*name, np, i);
(*name)[i - 1] = '\0';
return _NG_NAME;
}
}
}
return _NG_NONE;
}
/*
* addgroup(): Recursively add all the members of the netgroup to this group.
* returns 0 upon failure, nonzero upon success.
* grp is not a valid pointer after return (either free(3)ed or allocated
* to a stringlist). in either case, it shouldn't be used again.
*/
static int
addgroup(StringList *sl, char *grp)
{
char *line, *p;
struct netgroup *ng;
char *name;
_DIAGASSERT(sl != NULL);
_DIAGASSERT(grp != NULL);
#ifdef DEBUG_NG
(void)fprintf(stderr, "addgroup(%s)\n", grp);
#endif
/* check for cycles */
if (sl_find(sl, grp) != NULL) {
_ng_cycle(grp, sl);
free(grp);
return 0;
}
if (sl_add(sl, grp) == -1) {
free(grp);
return 0;
}
/* Lookup this netgroup */
line = NULL;
if (!lookup(grp, &line, _NG_KEYBYNAME)) {
if (line)
free(line);
return 0;
}
p = line;
for (;;) {
switch (_ng_parse(&p, &name, &ng)) {
case _NG_NONE:
/* Done with the line */
free(line);
return 1;
case _NG_GROUP:
/* new netgroup */
/* add to the list */
ng->ng_next = _nglist;
_nglist = ng;
break;
case _NG_NAME:
/* netgroup name */
if (!addgroup(sl, name))
return 0;
break;
case _NG_ERROR:
return 0;
default:
abort();
}
}
}
/*
* in_check(): Compare the spec with the netgroup
*/
static int
in_check(const char *host, const char *user, const char *domain,
struct netgroup *ng)
{
/* host may be NULL */
/* user may be NULL */
/* domain may be NULL */
_DIAGASSERT(ng != NULL);
if ((host != NULL) && (ng->ng_host != NULL)
&& strcmp(ng->ng_host, host) != 0)
return 0;
if ((user != NULL) && (ng->ng_user != NULL)
&& strcmp(ng->ng_user, user) != 0)
return 0;
if ((domain != NULL) && (ng->ng_domain != NULL)
&& strcmp(ng->ng_domain, domain) != 0)
return 0;
return 1;
}
/*
* in_find(): Find a match for the host, user, domain spec.
* grp is not a valid pointer after return (either free(3)ed or allocated
* to a stringlist). in either case, it shouldn't be used again.
*/
static int
in_find(StringList *sl, char *grp, const char *host, const char *user,
const char *domain)
{
char *line, *p;
int i;
struct netgroup *ng;
char *name;
_DIAGASSERT(sl != NULL);
_DIAGASSERT(grp != NULL);
/* host may be NULL */
/* user may be NULL */
/* domain may be NULL */
#ifdef DEBUG_NG
(void)fprintf(stderr, "in_find(%s)\n", grp);
#endif
/* check for cycles */
if (sl_find(sl, grp) != NULL) {
_ng_cycle(grp, sl);
free(grp);
return 0;
}
if (sl_add(sl, grp) == -1) {
free(grp);
return 0;
}
/* Lookup this netgroup */
line = NULL;
if (!lookup(grp, &line, _NG_KEYBYNAME)) {
if (line)
free(line);
return 0;
}
p = line;
for (;;) {
switch (_ng_parse(&p, &name, &ng)) {
case _NG_NONE:
/* Done with the line */
free(line);
return 0;
case _NG_GROUP:
/* new netgroup */
i = in_check(host, user, domain, ng);
if (ng->ng_host != NULL)
free(ng->ng_host);
if (ng->ng_user != NULL)
free(ng->ng_user);
if (ng->ng_domain != NULL)
free(ng->ng_domain);
free(ng);
if (i) {
free(line);
return 1;
}
break;
case _NG_NAME:
/* netgroup name */
if (in_find(sl, name, host, user, domain)) {
free(line);
return 1;
}
break;
case _NG_ERROR:
free(line);
return 0;
default:
abort();
}
}
}
/*
* _ng_makekey(): Make a key from the two names given. The key is of the form
* <name1>.<name2> Names strings are replaced with * if they are empty;
* Returns NULL if there's a problem.
*/
char *
_ng_makekey(const char *s1, const char *s2, size_t len)
{
char *buf;
/* s1 may be NULL */
/* s2 may be NULL */
buf = malloc(len);
if (buf != NULL)
(void)snprintf(buf, len, "%s.%s", _NG_STAR(s1), _NG_STAR(s2));
return buf;
}
void
_ng_print(char *buf, size_t len, const struct netgroup *ng)
{
_DIAGASSERT(buf != NULL);
_DIAGASSERT(ng != NULL);
(void)snprintf(buf, len, "(%s,%s,%s)", _NG_EMPTY(ng->ng_host),
_NG_EMPTY(ng->ng_user), _NG_EMPTY(ng->ng_domain));
}
/*
* in_lookup1(): Fast lookup for a key in the appropriate map
*/
static char *
in_lookup1(const char *key, const char *domain, int map)
{
char *line;
size_t len;
char *ptr;
int res;
/* key may be NULL */
/* domain may be NULL */
len = (key ? strlen(key) : 1) + (domain ? strlen(domain) : 1) + 2;
ptr = _ng_makekey(key, domain, len);
if (ptr == NULL)
return NULL;
res = lookup(ptr, &line, map);
free(ptr);
return res ? line : NULL;
}
/*
* in_lookup(): Fast lookup for a key in the appropriate map
*/
static int
in_lookup(const char *group, const char *key, const char *domain, int map)
{
size_t len;
char *ptr, *line;
_DIAGASSERT(group != NULL);
/* key may be NULL */
/* domain may be NULL */
if (domain != NULL) {
/* Domain specified; look in "group.domain" and "*.domain" */
if ((line = in_lookup1(key, domain, map)) == NULL)
line = in_lookup1(NULL, domain, map);
} else
line = NULL;
if (line == NULL) {
/*
* domain not specified or domain lookup failed; look in
* "group.*" and "*.*"
*/
if (((line = in_lookup1(key, NULL, map)) == NULL) &&
((line = in_lookup1(NULL, NULL, map)) == NULL))
return 0;
}
len = strlen(group);
for (ptr = line; (ptr = strstr(ptr, group)) != NULL;)
/* Make sure we did not find a substring */
if ((ptr != line && ptr[-1] != ',') ||
(ptr[len] != '\0' && strchr("\n\t ,", ptr[len]) == NULL))
ptr++;
else {
free(line);
return 1;
}
free(line);
return 0;
}
/*ARGSUSED*/
static int
_local_endnetgrent(void *rv, void *cb_data, va_list ap)
{
for (_nglist = _nghead; _nglist != NULL; _nglist = _nghead) {
_nghead = _nglist->ng_next;
if (_nglist->ng_host != NULL)
free(_nglist->ng_host);
if (_nglist->ng_user != NULL)
free(_nglist->ng_user);
if (_nglist->ng_domain != NULL)
free(_nglist->ng_domain);
free(_nglist);
}
if (_ng_db) {
(void)(*_ng_db->close)(_ng_db);
_ng_db = NULL;
}
return NS_SUCCESS;
}
/*ARGSUSED*/
static int
_local_setnetgrent(void *rv, void *cb_data, va_list ap)
{
const char *ng = va_arg(ap, const char *);
StringList *sl;
char *ng_copy;
_DIAGASSERT(ng != NULL);
sl = sl_init();
if (sl == NULL)
return NS_TRYAGAIN;
/* Cleanup any previous storage */
if (_nghead != NULL)
endnetgrent();
if (_ng_db == NULL)
_ng_db = dbopen(_PATH_NETGROUP_DB, O_RDONLY, 0, DB_HASH, NULL);
ng_copy = strdup(ng);
if (ng_copy != NULL)
addgroup(sl, ng_copy);
_nghead = _nglist;
sl_free(sl, 1);
return NS_SUCCESS;
}
/*ARGSUSED*/
static int
_local_getnetgrent(void *rv, void *cb_data, va_list ap)
{
int *retval = va_arg(ap, int *);
const char **host = va_arg(ap, const char **);
const char **user = va_arg(ap, const char **);
const char **domain = va_arg(ap, const char **);
_DIAGASSERT(host != NULL);
_DIAGASSERT(user != NULL);
_DIAGASSERT(domain != NULL);
*retval = 0;
if (_nglist == NULL)
return NS_TRYAGAIN;
*host = _nglist->ng_host;
*user = _nglist->ng_user;
*domain = _nglist->ng_domain;
_nglist = _nglist->ng_next;
*retval = 1;
return NS_SUCCESS;
}
/*ARGSUSED*/
static int
_local_innetgr(void *rv, void *cb_data, va_list ap)
{
int *retval = va_arg(ap, int *);
const char *grp = va_arg(ap, const char *);
const char *host = va_arg(ap, const char *);
const char *user = va_arg(ap, const char *);
const char *domain = va_arg(ap, const char *);
int found;
StringList *sl;
char *grcpy;
_DIAGASSERT(grp != NULL);
/* host may be NULL */
/* user may be NULL */
/* domain may be NULL */
if (_ng_db == NULL)
_ng_db = dbopen(_PATH_NETGROUP_DB, O_RDONLY, 0, DB_HASH, NULL);
/* Try the fast lookup first */
if (host != NULL && user == NULL) {
if (in_lookup(grp, host, domain, _NG_KEYBYHOST)) {
*retval = 1;
return NS_SUCCESS;
}
} else if (host == NULL && user != NULL) {
if (in_lookup(grp, user, domain, _NG_KEYBYUSER)) {
*retval = 1;
return NS_SUCCESS;
}
}
/* If a domainname is given, we would have found a match */
if (domain != NULL) {
*retval = 0;
return NS_SUCCESS;
}
/* Too bad need the slow recursive way */
sl = sl_init();
if (sl == NULL) {
*retval = 0;
return NS_SUCCESS;
}
if ((grcpy = strdup(grp)) == NULL) {
sl_free(sl, 1);
*retval = 0;
return NS_SUCCESS;
}
found = in_find(sl, grcpy, host, user, domain);
sl_free(sl, 1);
*retval = found;
return NS_SUCCESS;
}
#ifdef YP
/*ARGSUSED*/
static int
_nis_endnetgrent(void *rv, void *cb_data, va_list ap)
{
return _local_endnetgrent(rv, cb_data, ap);
}
/*ARGSUSED*/
static int
_nis_setnetgrent(void *rv, void *cb_data, va_list ap)
{
return _local_setnetgrent(rv, cb_data, ap);
}
/*ARGSUSED*/
static int
_nis_getnetgrent(void *rv, void *cb_data, va_list ap)
{
return _local_getnetgrent(rv, cb_data, ap);
}
/*ARGSUSED*/
static int
_nis_innetgr(void *rv, void *cb_data, va_list ap)
{
return _local_innetgr(rv, cb_data, ap);
}
#endif
#ifdef NSSRC_FILES
void
endnetgrent(void)
{
static const ns_dtab dtab[] = {
NS_FILES_CB(_local_endnetgrent, NULL)
NS_NIS_CB(_nis_endnetgrent, NULL)
NS_NULL_CB
};
(void) nsdispatch(NULL, dtab, NSDB_NETGROUP, "endnetgrent",
__nsdefaultcompat);
}
#else
static int
_local_endnetgrentv(int *rv, void *cbdata, ...)
{
int e;
va_list ap;
va_start(ap, cbdata);
e = _local_endnetgrent(rv, cbdata, ap);
va_end(ap);
return e;
}
void
endnetgrent(void)
{
(void)_local_endnetgrentv(NULL, NULL, NULL);
}
#endif
#ifdef NSSRC_FILES
void
setnetgrent(const char *ng)
{
static const ns_dtab dtab[] = {
NS_FILES_CB(_local_setnetgrent, NULL)
NS_NIS_CB(_nis_setnetgrent, NULL)
NS_NULL_CB
};
(void) nsdispatch(NULL, dtab, NSDB_NETGROUP, "setnetgrent",
__nsdefaultnis, ng);
}
#else
static int
_local_setnetgrentv(int *rv, void *cbdata, ...)
{
int e;
va_list ap;
va_start(ap, cbdata);
e = _local_setnetgrent(rv, cbdata, ap);
va_end(ap);
return e;
}
void
setnetgrent(const char *ng)
{
(void) _local_setnetgrentv(NULL, NULL,ng);
}
#endif
#ifdef NSSRC_FILES
int
getnetgrent(const char **host, const char **user, const char **domain)
{
int r, retval;
static const ns_dtab dtab[] = {
NS_FILES_CB(_local_getnetgrent, NULL)
NS_NIS_CB(_nis_getnetgrent, NULL)
NS_NULL_CB
};
r = nsdispatch(NULL, dtab, NSDB_NETGROUP, "getnetgrent",
__nsdefaultnis, &retval, host, user, domain);
return (r == NS_SUCCESS) ? retval : 0;
}
#else
static int
_local_getnetgrentv(int *rv, void *cbdata, ...)
{
int e;
va_list ap;
va_start(ap, cbdata);
e = _local_getnetgrent(rv, cbdata, ap);
va_end(ap);
return e;
}
int
getnetgrent(const char **host, const char **user, const char **domain)
{
return _local_getnetgrentv(NULL, NULL, host, user, domain) == NS_SUCCESS;
}
#endif
#ifdef NSSRC_FILES
int
innetgr(const char *grp, const char *host, const char *user,
const char *domain)
{
int r, retval;
static const ns_dtab dtab[] = {
NS_FILES_CB(_local_innetgr, NULL)
NS_NIS_CB(_nis_innetgr, NULL)
NS_NULL_CB
};
r = nsdispatch(NULL, dtab, NSDB_NETGROUP, "innetgr",
__nsdefaultnis, &retval, grp, host, user, domain);
return (r == NS_SUCCESS) ? retval : 0;
}
#else
static int
_local_innetgrv(int *rv, void *cbdata, ...)
{
int e;
va_list ap;
va_start(ap, cbdata);
e = _local_innetgr(rv, cbdata, ap);
va_end(ap);
return e;
}
int
innetgr(const char *grp, const char *host, const char *user,
const char *domain)
{
return _local_innetgrv(NULL, NULL, grp, host, user, domain) == NS_SUCCESS;
}
#endif