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/*
protocol.c - network address entry lookup routines
Parts of this file were part of the nss_ldap library (as ldap-proto.c)
which has been forked into the nss-pam-ldapd library.
Copyright (C) 1997-2005 Luke Howard
Copyright (C) 2006 West Consulting
Copyright (C) 2006, 2007, 2009 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"
/* ( nisSchema.2.4 NAME 'ipProtocol' SUP top STRUCTURAL
* DESC 'Abstraction of an IP protocol. Maps a protocol number
* to one or more names. The distinguished value of the cn
* attribute denotes the protocol's canonical name'
* MUST ( cn $ ipProtocolNumber )
* MAY description )
*/
/* the search base for searches */
const char *protocol_bases[NSS_LDAP_CONFIG_MAX_BASES] = { NULL };
/* the search scope for searches */
int protocol_scope = LDAP_SCOPE_DEFAULT;
/* the basic search filter for searches */
const char *protocol_filter = "(objectClass=ipProtocol)";
/* the attributes used in searches */
const char *attmap_protocol_cn = "cn";
const char *attmap_protocol_ipProtocolNumber = "ipProtocolNumber";
/* the attribute list to request with searches */
static const char *protocol_attrs[3];
static int mkfilter_protocol_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))",
protocol_filter,
attmap_protocol_cn,buf2);
}
/* create a search filter for searching a protocol entry
by uid, return -1 on errors */
static int mkfilter_protocol_bynumber(int protocol,
char *buffer,size_t buflen)
{
return mysnprintf(buffer,buflen,
"(&%s(%s=%d))",
protocol_filter,
attmap_protocol_ipProtocolNumber,protocol);
}
void protocol_init(void)
{
int i;
/* set up search bases */
if (protocol_bases[0]==NULL)
for (i=0;i<NSS_LDAP_CONFIG_MAX_BASES;i++)
protocol_bases[i]=nslcd_cfg->ldc_bases[i];
/* set up scope */
if (protocol_scope==LDAP_SCOPE_DEFAULT)
protocol_scope=nslcd_cfg->ldc_scope;
/* set up attribute list */
protocol_attrs[0]=attmap_protocol_cn;
protocol_attrs[1]=attmap_protocol_ipProtocolNumber;
protocol_attrs[2]=NULL;
}
static int write_protocol(TFILE *fp,MYLDAP_ENTRY *entry,const char *reqname)
{
int32_t tmpint32,tmp2int32,tmp3int32;
const char *name;
const char **aliases;
const char **protos;
char *tmp;
int proto;
int i;
/* get the most canonical name */
name=myldap_get_rdn_value(entry,attmap_protocol_cn);
/* get the other names for the protocol */
aliases=myldap_get_values(entry,attmap_protocol_cn);
if ((aliases==NULL)||(aliases[0]==NULL))
{
log_log(LOG_WARNING,"protocol entry %s does not contain %s value",
myldap_get_dn(entry),attmap_protocol_cn);
return 0;
}
/* if the protocol name is not yet found, get the first entry */
if (name==NULL)
name=aliases[0];
/* check case of returned protocol entry */
if ((reqname!=NULL)&&(strcmp(reqname,name)!=0))
{
for (i=0;(aliases[i]!=NULL)&&(strcmp(reqname,aliases[i])!=0);i++)
/* nothing here */ ;
if (aliases[i]==NULL)
return 0; /* neither the name nor any of the aliases matched */
}
/* get the protocol number */
protos=myldap_get_values(entry,attmap_protocol_ipProtocolNumber);
if ((protos==NULL)||(protos[0]==NULL))
{
log_log(LOG_WARNING,"protocol entry %s does not contain %s value",
myldap_get_dn(entry),attmap_protocol_ipProtocolNumber);
return 0;
}
else if (protos[1]!=NULL)
{
log_log(LOG_WARNING,"protocol entry %s contains multiple %s values",
myldap_get_dn(entry),attmap_protocol_ipProtocolNumber);
}
proto=(int)strtol(protos[0],&tmp,0);
if ((*(protos[0])=='\0')||(*tmp!='\0'))
{
log_log(LOG_WARNING,"protocol entry %s contains non-numeric %s value",
myldap_get_dn(entry),attmap_protocol_ipProtocolNumber);
return 0;
}
/* write entry */
WRITE_INT32(fp,NSLCD_RESULT_BEGIN);
WRITE_STRING(fp,name);
WRITE_STRINGLIST_EXCEPT(fp,aliases,name);
WRITE_INT32(fp,proto);
return 0;
}
NSLCD_HANDLE(
protocol,byname,
char name[256];
char filter[1024];
READ_STRING(fp,name);,
log_log(LOG_DEBUG,"nslcd_protocol_byname(%s)",name);,
NSLCD_ACTION_PROTOCOL_BYNAME,
mkfilter_protocol_byname(name,filter,sizeof(filter)),
write_protocol(fp,entry,name)
)
NSLCD_HANDLE(
protocol,bynumber,
int protocol;
char filter[1024];
READ_INT32(fp,protocol);,
log_log(LOG_DEBUG,"nslcd_protocol_bynumber(%d)",protocol);,
NSLCD_ACTION_PROTOCOL_BYNUMBER,
mkfilter_protocol_bynumber(protocol,filter,sizeof(filter)),
write_protocol(fp,entry,NULL)
)
NSLCD_HANDLE(
protocol,all,
const char *filter;
/* no parameters to read */,
log_log(LOG_DEBUG,"nslcd_protocol_all()");,
NSLCD_ACTION_PROTOCOL_ALL,
(filter=protocol_filter,0),
write_protocol(fp,entry,NULL)
)
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