git.sur5r.net Git - openldap/blob - contrib/slapd-modules/nssov/protocol.c

   1 /* protocol.c - network protocol lookup routines */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2008-2017 The OpenLDAP Foundation.
   6  * Portions Copyright 2008 by Howard Chu, Symas Corp.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /*
  18  * ACKNOWLEDGEMENTS:
  19  * This code references portions of the nss-ldapd package
  20  * written by Arthur de Jong. The nss-ldapd code was forked
  21  * from the nss-ldap library written by Luke Howard.
  22  */
  23
  24 #include "nssov.h"
  25
  26 /* ( nisSchema.2.4 NAME 'ipProtocol' SUP top STRUCTURAL
  27  *   DESC 'Abstraction of an IP protocol. Maps a protocol number
  28  *         to one or more names. The distinguished value of the cn
  29  *         attribute denotes the protocol's canonical name'
  30  *   MUST ( cn $ ipProtocolNumber )
  31  *    MAY description )
  32  */
  33
  34 /* the basic search filter for searches */
  35 static struct berval protocol_filter = BER_BVC("(objectClass=ipProtocol)");
  36
  37 /* the attributes used in searches */
  38 static struct berval protocol_keys[] = {
  39         BER_BVC("cn"),
  40         BER_BVC("ipProtocolNumber"),
  41         BER_BVNULL
  42 };
  43
  44 NSSOV_INIT(protocol)
  45
  46 NSSOV_CBPRIV(protocol,
  47         char buf[256];
  48         struct berval name;
  49         struct berval numb;);
  50
  51 static int write_protocol(nssov_protocol_cbp *cbp,Entry *entry)
  52 {
  53         int32_t tmpint32;
  54         int i,numname,dupname,proto;
  55         struct berval name,*names;
  56         Attribute *a;
  57         char *tmp;
  58
  59         /* get the most canonical name */
  60         nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name );
  61         /* get the other names for the protocol */
  62         a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc );
  63         if ( !a || !a->a_vals )
  64         {
  65                 Debug(LDAP_DEBUG_ANY,"protocol entry %s does not contain %s value\n",
  66                         entry->e_name.bv_val, cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val, 0 );
  67                 return 0;
  68         }
  69         names = a->a_vals;
  70         numname = a->a_numvals;
  71         /* if the name is not yet found, get the first entry from names */
  72         if (BER_BVISNULL(&name)) {
  73                 name=names[0];
  74                 dupname = 0;
  75         } else {
  76                 dupname = -1;
  77                 for (i=0; i<numname; i++) {
  78                         if ( bvmatch(&name, &a->a_nvals[i])) {
  79                                 dupname = i;
  80                                 break;
  81                         }
  82                 }
  83         }
  84         /* get the protocol number */
  85         a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc );
  86         if ( !a || !a->a_vals )
  87         {
  88                 Debug(LDAP_DEBUG_ANY,"protocol entry %s does not contain %s value\n",
  89                         entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 );
  90                 return 0;
  91         } else if ( a->a_numvals > 1 ) {
  92                 Debug(LDAP_DEBUG_ANY,"protocol entry %s contains multiple %s values\n",
  93                         entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 );
  94         }
  95         proto=(int)strtol(a->a_vals[0].bv_val,&tmp,0);
  96         if (*tmp)
  97         {
  98                 Debug(LDAP_DEBUG_ANY,"protocol entry %s contains non-numeric %s value\n",
  99                         entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 );
 100                 return 0;
 101         }
 102         /* write the entry */
 103         WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
 104         WRITE_BERVAL(cbp->fp,&name);
 105         if ( dupname >= 0 ) {
 106                 WRITE_INT32(cbp->fp,numname-1);
 107         } else {
 108                 WRITE_INT32(cbp->fp,numname);
 109         }
 110         for (i=0;i<numname;i++) {
 111                 if (i == dupname) continue;
 112                 WRITE_BERVAL(cbp->fp,&names[i]);
 113         }
 114         WRITE_INT32(cbp->fp,proto);
 115         return 0;
 116 }
 117
 118 NSSOV_CB(protocol)
 119
 120 NSSOV_HANDLE(
 121         protocol,byname,
 122         char fbuf[1024];
 123         struct berval filter = {sizeof(fbuf)};
 124         filter.bv_val = fbuf;
 125         BER_BVZERO(&cbp.numb);
 126         READ_STRING(fp,cbp.buf);
 127         cbp.name.bv_len = tmpint32;
 128         cbp.name.bv_val = cbp.buf;,
 129         Debug(LDAP_DEBUG_TRACE,"nssov_protocol_byname(%s)\n",cbp.name.bv_val,0,0);,
 130         NSLCD_ACTION_PROTOCOL_BYNAME,
 131         nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
 132 )
 133
 134 NSSOV_HANDLE(
 135         protocol,bynumber,
 136         int protocol;
 137         char fbuf[1024];
 138         struct berval filter = {sizeof(fbuf)};
 139         filter.bv_val = fbuf;
 140         READ_INT32(fp,protocol);
 141         cbp.numb.bv_val = cbp.buf;
 142         cbp.numb.bv_len = snprintf(cbp.buf,sizeof(cbp.buf),"%d",protocol);
 143         BER_BVZERO(&cbp.name);,
 144         Debug(LDAP_DEBUG_TRACE,"nssov_protocol_bynumber(%s)\n",cbp.numb.bv_val,0,0);,
 145         NSLCD_ACTION_PROTOCOL_BYNUMBER,
 146         nssov_filter_byid(cbp.mi,1,&cbp.numb,&filter)
 147 )
 148
 149 NSSOV_HANDLE(
 150         protocol,all,
 151         struct berval filter;
 152         /* no parameters to read */,
 153         Debug(LDAP_DEBUG_TRACE,"nssov_protocol_all()\n",0,0,0);,
 154         NSLCD_ACTION_PROTOCOL_ALL,
 155         (filter=cbp.mi->mi_filter,0)
 156 )