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/*
* Copyright (c) 1998-1999 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static const char rcsid[] = "$Id: getnetgrent_r.c,v 8.6.10.1 2003/06/02 06:06:58 marka Exp $";
#endif /* LIBC_SCCS and not lint */
#include <port_before.h>
#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
static int getnetgrent_r_not_required = 0;
#else
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>
#include <netgroup.h>
#include <stdlib.h>
#include <port_after.h>
#ifdef NGR_R_RETURN
static NGR_R_RETURN
copy_protoent(char **, char **, char **, const char *, const char *,
const char *, NGR_R_COPY_ARGS);
NGR_R_RETURN
innetgr_r(const char *netgroup, const char *host, const char *user,
const char *domain) {
char *ng, *ho, *us, *dom;
DE_CONST(netgroup, ng);
DE_CONST(host, ho);
DE_CONST(user, us);
DE_CONST(domain, dom);
return (innetgr(ng, ho, us, dom));
}
/*
* These assume a single context is in operation per thread.
* If this is not the case we will need to call irs directly
* rather than through the base functions.
*/
NGR_R_RETURN
getnetgrent_r(char **machinep, char **userp, char **domainp, NGR_R_ARGS) {
char *mp, *up, *dp;
int res = getnetgrent(&mp, &up, &dp);
if (res != 1)
return (res);
return (copy_protoent(machinep, userp, domainp,
mp, up, dp, NGR_R_COPY));
}
NGR_R_SET_RETURN
#ifdef NGR_R_ENT_ARGS
setnetgrent_r(const char *netgroup, NGR_R_ENT_ARGS)
#else
setnetgrent_r(const char *netgroup)
#endif
{
setnetgrent(netgroup);
#ifdef NGR_R_PRIVATE
*buf = NULL;
#endif
#ifdef NGR_R_SET_RESULT
return (NGR_R_SET_RESULT);
#endif
}
NGR_R_END_RETURN
#ifdef NGR_R_ENT_ARGS
endnetgrent_r(NGR_R_ENT_ARGS)
#else
endnetgrent_r(void)
#endif
{
endnetgrent();
#ifdef NGR_R_PRIVATE
if (*buf != NULL)
free(*buf);
*buf = NULL;
#endif
NGR_R_END_RESULT(NGR_R_OK);
}
/* Private */
static int
copy_protoent(char **machinep, char **userp, char **domainp,
const char *mp, const char *up, const char *dp,
NGR_R_COPY_ARGS) {
char *cp;
int n;
int len;
/* Find out the amount of space required to store the answer. */
len = 0;
if (mp != NULL) len += strlen(mp) + 1;
if (up != NULL) len += strlen(up) + 1;
if (dp != NULL) len += strlen(dp) + 1;
#ifdef NGR_R_PRIVATE
free(*buf);
*buf = malloc(len);
if (*buf == NULL)
return(NGR_R_BAD);
cp = *buf;
#else
if (len > (int)buflen) {
errno = ERANGE;
return (NGR_R_BAD);
}
cp = buf;
#endif
if (mp != NULL) {
n = strlen(mp) + 1;
strcpy(cp, mp);
*machinep = cp;
cp += n;
} else
*machinep = NULL;
if (up != NULL) {
n = strlen(up) + 1;
strcpy(cp, up);
*userp = cp;
cp += n;
} else
*userp = NULL;
if (dp != NULL) {
n = strlen(dp) + 1;
strcpy(cp, dp);
*domainp = cp;
cp += n;
} else
*domainp = NULL;
return (NGR_R_OK);
}
#else /* NGR_R_RETURN */
static int getnetgrent_r_unknown_system = 0;
#endif /* NGR_R_RETURN */
#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
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