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/*
common.c - common functions for NSS lookups
Copyright (C) 2010 Arthur de Jong
Copyright (C) 2010 Symas Corporation
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "config.h"
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif /* HAVE_STDINT_H */
#include <unistd.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#ifdef HAVE_NSS_H
#include <nss.h>
#endif /* HAVE_NSS_H */
#include <string.h>
#include "nslcd.h"
#include "common.h"
#include "common/tio.h"
/* flag used to disable NSS lookups using this module */
int _nss_ldap_enablelookups=1;
#ifdef NSS_FLAVOUR_SOLARIS
/* Adapted from PADL */
/* add a nested netgroup or group to the namelist */
nss_status_t _nss_ldap_namelist_push(struct name_list **head,const char *name)
{
struct name_list *nl;
nl=(struct name_list *)malloc(sizeof(*nl));
if (nl==NULL)
return NSS_STATUS_TRYAGAIN;
nl->name=strdup(name);
if (nl->name==NULL)
{
free(nl);
return NSS_STATUS_TRYAGAIN;
}
nl->next=*head;
*head=nl;
return NSS_STATUS_SUCCESS;
}
/* remove last nested netgroup or group from the namelist */
void _nss_ldap_namelist_pop(struct name_list **head)
{
struct name_list *nl;
nl=*head;
*head=nl->next;
free(nl->name);
free(nl);
}
/* cleanup nested netgroup or group namelist */
void _nss_ldap_namelist_destroy(struct name_list **head)
{
struct name_list *p,*next;
for (p=*head;p!=NULL;p=next)
{
next=p->next;
if (p->name!=NULL)
free(p->name);
free(p);
}
*head=NULL;
}
/*
*Check whether we have already seen a netgroup or group,
*to avoid loops in nested netgroup traversal
*/
int _nss_ldap_namelist_find(struct name_list *head,const char *netgroup)
{
struct name_list *p;
int found=0;
for (p=head;p!=NULL;p=p->next)
{
if (strcasecmp(p->name,netgroup)==0)
{
found++;
break;
}
}
return found;
}
#endif /* NSS_FLAVOUR_SOLARIS */
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