git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/attribute.c

   1 /* group.c - ldap backend acl group routine */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/socket.h>
  13 #include <ac/string.h>
  14
  15 #include "slap.h"
  16 #include "back-ldap.h"
  17
  18
  19 /* return 0 IFF we can retrieve the attributes
  20  * of entry with ndn
  21  */
  22 int
  23 ldap_back_attribute(
  24         Backend *be,
  25         Connection *conn,
  26         Operation *op,
  27         Entry   *target,
  28         struct berval   *ndn,
  29         AttributeDescription *entry_at,
  30         BVarray *vals
  31 )
  32 {
  33         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
  34         int rc = 1, i, j, count, is_oc;
  35         Attribute *attr;
  36         BVarray abv, v;
  37         struct berval mapped;
  38         char **vs;
  39         LDAPMessage     *result, *e;
  40         char *gattr[2];
  41         LDAP *ld;
  42
  43         *vals = NULL;
  44         if (target != NULL && target->e_nname.bv_len == ndn->bv_len &&
  45                 strcmp(target->e_nname.bv_val, ndn->bv_val) == 0) {
  46                 /* we already have a copy of the entry */
  47                 /* attribute and objectclass mapping has already been done */
  48                 if ((attr = attr_find(target->e_attrs, entry_at)) == NULL)
  49                         return(1);
  50
  51                 for ( count = 0; attr->a_vals[count].bv_val != NULL; count++ ) { }
  52                 v = (BVarray) ch_calloc( (count + 1), sizeof(struct berval) );
  53                 if (v != NULL) {
  54                         for ( j = 0, abv = attr->a_vals; --count >= 0; abv++ ) {
  55                                 if ( abv->bv_len > 0 ) {
  56                                         ber_dupbv( &v[j], abv );
  57                                         if( v[j].bv_val == NULL )
  58                                                 break;
  59                                 }
  60                         }
  61                         v[j].bv_val = NULL;
  62                         *vals = v;
  63                         rc = 0;
  64                 }
  65
  66         } else {
  67                 ldap_back_map(&li->at_map, &entry_at->ad_cname, &mapped, 0);
  68                 if (mapped.bv_val == NULL)
  69                         return(1);
  70
  71                 if (ldap_initialize(&ld, li->url) != LDAP_SUCCESS) {
  72                         return(1);
  73                 }
  74
  75                 if (ldap_bind_s(ld, li->binddn, li->bindpw, LDAP_AUTH_SIMPLE) == LDAP_SUCCESS) {
  76                         gattr[0] = mapped.bv_val;
  77                         gattr[1] = NULL;
  78                         if (ldap_search_ext_s(ld, ndn->bv_val, LDAP_SCOPE_BASE, "(objectclass=*)",
  79                                                                         gattr, 0, NULL, NULL, LDAP_NO_LIMIT,
  80                                                                         LDAP_NO_LIMIT, &result) == LDAP_SUCCESS)
  81                         {
  82                                 if ((e = ldap_first_entry(ld, result)) != NULL) {
  83                                         vs = ldap_get_values(ld, e, mapped.bv_val);
  84                                         if (vs != NULL) {
  85                                                 for ( count = 0; vs[count] != NULL; count++ ) { }
  86                                                 v = (BVarray) ch_calloc( (count + 1), sizeof(struct berval) );
  87                                                 if (v == NULL) {
  88                                                         ldap_value_free(vs);
  89                                                 } else {
  90                                                         is_oc = (strcasecmp("objectclass", mapped.bv_val) == 0);
  91                                                         for ( i = 0, j = 0; i < count; i++) {
  92                                                                 ber_str2bv(vs[i], 0, 0, &v[j] );
  93                                                                 if (!is_oc) {
  94                                                                         if( v[j].bv_val == NULL )
  95                                                                                 ch_free(vs[i]);
  96                                                                         else
  97                                                                                 j++;
  98                                                                 } else {
  99                                                                         ldap_back_map(&li->oc_map, &v[j], &mapped, 1);
 100                                                                         if (mapped.bv_val) {
 101                                                                                 ber_dupbv( &v[j], &mapped );
 102                                                                                 if (v[j].bv_val)
 103                                                                                         j++;
 104                                                                         }
 105                                                                         ch_free(vs[i]);
 106                                                                 }
 107                                                         }
 108                                                         v[j].bv_val = NULL;
 109                                                         *vals = v;
 110                                                         rc = 0;
 111                                                         ch_free(vs);
 112                                                 }
 113                                         }
 114                                 }
 115                                 ldap_msgfree(result);
 116                         }
 117                 }
 118                 ldap_unbind(ld);
 119     }
 120
 121         return(rc);
 122 }
 123