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/*
alias.c - alias entry lookup routines
Parts of this file were 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 "common.h"
#include "log.h"
#include "myldap.h"
#include "cfg.h"
#include "attmap.h"
/* Vendor-specific attributes and object classes.
* (Mainly from Sun.)
* ( 1.3.6.1.4.1.42.2.27.1.2.5 NAME 'nisMailAlias' SUP top STRUCTURAL
* DESC 'NIS mail alias'
* MUST cn
* MAY rfc822MailMember )
*/
/* the search base for searches */
const char *alias_base = NULL;
/* the search scope for searches */
int alias_scope = LDAP_SCOPE_DEFAULT;
/* the basic search filter for searches */
const char *alias_filter = "(objectClass=nisMailAlias)";
/* the attributes to request with searches */
const char *attmap_alias_cn = "cn";
const char *attmap_alias_rfc822MailMember = "rfc822MailMember";
/* the attribute list to request with searches */
static const char *alias_attrs[3];
/* create a search filter for searching an alias by name,
return -1 on errors */
static int mkfilter_alias_byname(const char *name,
char *buffer,size_t buflen)
{
char buf2[1024];
/* escape attribute */
if (myldap_escape(name,buf2,sizeof(buf2)))
return -1;
/* build filter */
return mysnprintf(buffer,buflen,
"(&%s(%s=%s))",
alias_filter,
attmap_alias_cn,buf2);
}
static void alias_init(void)
{
/* set up base */
if (alias_base==NULL)
alias_base=nslcd_cfg->ldc_base;
/* set up scope */
if (alias_scope==LDAP_SCOPE_DEFAULT)
alias_scope=nslcd_cfg->ldc_scope;
/* set up attribute list */
alias_attrs[0]=attmap_alias_cn;
alias_attrs[1]=attmap_alias_rfc822MailMember;
alias_attrs[2]=NULL;
}
static int write_alias(TFILE *fp,MYLDAP_ENTRY *entry,const char *reqalias)
{
int32_t tmpint32,tmp2int32,tmp3int32;
const char *tmparr[2];
const char **names,**members;
int i;
/* get the name of the alias */
if (reqalias!=NULL)
{
names=tmparr;
names[0]=reqalias;
names[1]=NULL;
}
else
{
names=myldap_get_values(entry,attmap_alias_cn);
if ((names==NULL)||(names[0]==NULL))
{
log_log(LOG_WARNING,"alias entry %s does not contain %s value",
myldap_get_dn(entry),attmap_alias_cn);
return 0;
}
}
/* get the members of the alias */
members=myldap_get_values(entry,attmap_alias_rfc822MailMember);
/* for each name, write an entry */
for (i=0;names[i]!=NULL;i++)
{
WRITE_INT32(fp,NSLCD_RESULT_SUCCESS);
WRITE_STRING(fp,names[i]);
WRITE_STRINGLIST(fp,members);
}
return 0;
}
NSLCD_HANDLE(
alias,byname,
char name[256];
char filter[1024];
READ_STRING_BUF2(fp,name,sizeof(name));,
log_log(LOG_DEBUG,"nslcd_alias_byname(%s)",name);,
NSLCD_ACTION_ALIAS_BYNAME,
mkfilter_alias_byname(name,filter,sizeof(filter)),
write_alias(fp,entry,name)
)
NSLCD_HANDLE(
alias,all,
const char *filter;
/* no parameters to read */,
log_log(LOG_DEBUG,"nslcd_alias_all()");,
NSLCD_ACTION_ALIAS_ALL,
(filter=alias_filter,0),
write_alias(fp,entry,NULL)
)
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