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/*
alias.c - alias entry lookup routines
This file was part of the nss_ldap library (as ldap-alias.c)
which has been forked into the nss-ldapd library.
Copyright (C) 1997-2005 Luke Howard
Copyright (C) 2006 West Consulting
Copyright (C) 2006, 2007 Arthur de Jong
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"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <lber.h>
#include <ldap.h>
#include <errno.h>
#include <aliases.h>
#if defined(HAVE_THREAD_H)
#include <thread.h>
#elif defined(HAVE_PTHREAD_H)
#include <pthread.h>
#endif
#include "ldap-nss.h"
#include "util.h"
#include "common.h"
#include "log.h"
static enum nss_status _nss_ldap_parse_alias(
LDAPMessage *e,struct ldap_state UNUSED(*pvt),void *result,
char *buffer,size_t buflen)
{
/* FIXME: fix following problem:
if the entry has multiple cn fields we may end up
sending the wrong cn, we should return the requested
CN instead, otherwise write an entry for each cn */
struct aliasent *alias=(struct aliasent *)result;
enum nss_status stat;
stat=_nss_ldap_getrdnvalue(e,ATM(LM_ALIASES,cn),&alias->alias_name,&buffer,&buflen);
if (stat != NSS_STATUS_SUCCESS)
return stat;
stat=_nss_ldap_assign_attrvals(e,AT(rfc822MailMember),NULL,&alias->alias_members,&buffer,&buflen,&alias->alias_members_len);
return stat;
}
static int write_alias(LDAPMessage *e,struct ldap_state UNUSED(*pvt),TFILE *fp)
{
int stat;
if ((stat=_nss_ldap_write_rndvalue(fp,e,ATM(LM_ALIASES,cn)))!=NSLCD_RESULT_SUCCESS)
return stat;
if ((stat=_nss_ldap_write_attrvals(fp,e,AT(rfc822MailMember)))!=NSLCD_RESULT_SUCCESS)
return stat;
return NSLCD_RESULT_SUCCESS;
}
/* macros for expanding the NSLCD_ALIAS macro */
#define NSLCD_STRING(field) WRITE_STRING(fp,field)
#define NSLCD_STRINGLIST(field) WRITE_STRINGLIST_NUM(fp,field,result.alias_members_len)
#define ALIAS_NAME result.alias_name
#define ALIAS_RCPTS result.alias_members
int nslcd_alias_byname(TFILE *fp)
{
int32_t tmpint32;
char name[256];
struct ldap_args a;
/* read request parameters */
READ_STRING_BUF2(fp,name,sizeof(name));
/* log call */
log_log(LOG_DEBUG,"nslcd_alias_byname(%s)",name);
/* write the response header */
WRITE_INT32(fp,NSLCD_VERSION);
WRITE_INT32(fp,NSLCD_ACTION_ALIAS_BYNAME);
/* do the LDAP request */
LA_INIT(a);
LA_STRING(a)=name;
LA_TYPE(a)=LA_TYPE_STRING;
_nss_ldap_searchbyname(&a,_nss_ldap_filt_getaliasbyname,LM_ALIASES,fp,write_alias);
WRITE_FLUSH(fp);
/* we're done */
return 0;
}
int nslcd_alias_all(TFILE *fp)
{
int32_t tmpint32,tmp2int32;
static struct ent_context *alias_context;
/* these are here for now until we rewrite the LDAP code */
struct aliasent result;
char buffer[1024];
int errnop;
int retv;
/* log call */
log_log(LOG_DEBUG,"nslcd_alias_all()");
/* write the response header */
WRITE_INT32(fp,NSLCD_VERSION);
WRITE_INT32(fp,NSLCD_ACTION_ALIAS_ALL);
/* initialize context */
if (_nss_ldap_ent_context_init(&alias_context)==NULL)
return -1;
/* loop over all results */
while ((retv=nss2nslcd(_nss_ldap_getent(&alias_context,&result,buffer,1024,&errnop,_nss_ldap_filt_getaliasent,LM_ALIASES,_nss_ldap_parse_alias)))==NSLCD_RESULT_SUCCESS)
{
/* write the result */
WRITE_INT32(fp,retv);
NSLCD_ALIAS;
}
/* write the final result code */
WRITE_INT32(fp,retv);
WRITE_FLUSH(fp);
/* FIXME: if a previous call returns what happens to the context? */
_nss_ldap_enter();
_nss_ldap_ent_context_release(alias_context);
_nss_ldap_leave();
/* we're done */
return 0;
}
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