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146 lines
4 KiB
C
146 lines
4 KiB
C
/*
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alias.c - alias entry lookup routines
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Parts of this file were part of the nss_ldap library (as ldap-alias.c)
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which has been forked into the nss-ldapd library.
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Copyright (C) 1997-2005 Luke Howard
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Copyright (C) 2006 West Consulting
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Copyright (C) 2006, 2007 Arthur de Jong
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "common.h"
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#include "log.h"
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#include "myldap.h"
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#include "cfg.h"
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#include "attmap.h"
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/* Vendor-specific attributes and object classes.
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* (Mainly from Sun.)
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* ( 1.3.6.1.4.1.42.2.27.1.2.5 NAME 'nisMailAlias' SUP top STRUCTURAL
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* DESC 'NIS mail alias'
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* MUST cn
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* MAY rfc822MailMember )
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*/
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/* the search base for searches */
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const char *alias_base = NULL;
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/* the search scope for searches */
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int alias_scope = LDAP_SCOPE_DEFAULT;
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/* the basic search filter for searches */
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const char *alias_filter = "(objectClass=nisMailAlias)";
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/* the attributes to request with searches */
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const char *attmap_alias_cn = "cn";
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const char *attmap_alias_rfc822MailMember = "rfc822MailMember";
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/* the attribute list to request with searches */
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static const char *alias_attrs[3];
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/* create a search filter for searching an alias by name,
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return -1 on errors */
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static int mkfilter_alias_byname(const char *name,
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char *buffer,size_t buflen)
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{
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char buf2[1024];
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/* escape attribute */
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if (myldap_escape(name,buf2,sizeof(buf2)))
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return -1;
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/* build filter */
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return mysnprintf(buffer,buflen,
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"(&%s(%s=%s))",
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alias_filter,
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attmap_alias_cn,buf2);
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}
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static void alias_init(void)
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{
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/* set up base */
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if (alias_base==NULL)
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alias_base=nslcd_cfg->ldc_base;
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/* set up scope */
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if (alias_scope==LDAP_SCOPE_DEFAULT)
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alias_scope=nslcd_cfg->ldc_scope;
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/* set up attribute list */
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alias_attrs[0]=attmap_alias_cn;
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alias_attrs[1]=attmap_alias_rfc822MailMember;
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alias_attrs[2]=NULL;
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}
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static int write_alias(TFILE *fp,MYLDAP_ENTRY *entry,const char *reqalias)
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{
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int32_t tmpint32,tmp2int32,tmp3int32;
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const char *tmparr[2];
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const char **names,**members;
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int i;
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/* get the name of the alias */
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if (reqalias!=NULL)
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{
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names=tmparr;
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names[0]=reqalias;
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names[1]=NULL;
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}
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else
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{
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names=myldap_get_values(entry,attmap_alias_cn);
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if ((names==NULL)||(names[0]==NULL))
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{
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log_log(LOG_WARNING,"alias entry %s does not contain %s value",
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myldap_get_dn(entry),attmap_alias_cn);
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return 0;
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}
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}
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/* get the members of the alias */
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members=myldap_get_values(entry,attmap_alias_rfc822MailMember);
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/* for each name, write an entry */
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for (i=0;names[i]!=NULL;i++)
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{
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WRITE_INT32(fp,NSLCD_RESULT_SUCCESS);
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WRITE_STRING(fp,names[i]);
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WRITE_STRINGLIST(fp,members);
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}
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return 0;
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}
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NSLCD_HANDLE(
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alias,byname,
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char name[256];
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char filter[1024];
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READ_STRING_BUF2(fp,name,sizeof(name));,
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log_log(LOG_DEBUG,"nslcd_alias_byname(%s)",name);,
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NSLCD_ACTION_ALIAS_BYNAME,
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mkfilter_alias_byname(name,filter,sizeof(filter)),
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write_alias(fp,entry,name)
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)
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NSLCD_HANDLE(
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alias,all,
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const char *filter;
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/* no parameters to read */,
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log_log(LOG_DEBUG,"nslcd_alias_all()");,
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NSLCD_ACTION_ALIAS_ALL,
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(filter=alias_filter,0),
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write_alias(fp,entry,NULL)
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)
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