git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/group.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 op_dn is a value in member attribute
  20  * of entry with gr_dn AND that entry has an objectClass
  21  * value of groupOfNames
  22  */
  23 int
  24 ldap_back_group(
  25         Backend *be,
  26         Entry   *target,
  27         const char      *gr_ndn,
  28         const char      *op_ndn,
  29         ObjectClass* group_oc,
  30         AttributeDescription* group_at
  31 )
  32 {
  33         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
  34         int rc = 1;
  35         Attribute   *attr;
  36         Entry *e;
  37         struct berval bv;
  38         LDAPMessage     *result;
  39         char *gattr[2];
  40         char *filter;
  41         LDAP *ld;
  42
  43         AttributeDescription *ad_objectClass = slap_schema.si_ad_objectClass;
  44         const char *group_oc_name = NULL;
  45         const char *group_at_name = group_at->ad_cname->bv_val;
  46
  47         if( group_oc->soc_names && group_oc->soc_names[0] ) {
  48                 group_oc_name = group_oc->soc_names[0];
  49         } else {
  50                 group_oc_name = group_oc->soc_oid;
  51         }
  52
  53         if (target != NULL && strcmp(target->e_ndn, gr_ndn) == 0) {
  54                 /* we already have a copy of the entry */
  55                 e = target;
  56
  57                 if( is_entry_objectclass( e, group_oc ) ) {
  58                         return(1);
  59                 }
  60
  61                 if ((attr = attr_find(e->e_attrs, group_at)) == NULL)
  62                         return(1);
  63
  64                 bv.bv_val = (char *) op_ndn;
  65                 bv.bv_len = strlen( op_ndn );
  66                 if( value_find( group_at, attr->a_vals, &bv ) == 0  )
  67                         return(1);
  68
  69         } else {
  70                 filter = ch_malloc(sizeof("(&(objectclass=)(=))")
  71                                                         + strlen(group_oc_name)
  72                                                         + strlen(group_at_name)
  73                                                         + strlen(op_ndn) + 1);
  74                 if (filter == NULL)
  75                         return(1);
  76
  77                 if (ldap_initialize(&ld, li->url) != LDAP_SUCCESS) {
  78                         ch_free(filter);
  79                         return(1);
  80                 }
  81
  82                 if (ldap_bind_s(ld, li->binddn, li->bindpw, LDAP_AUTH_SIMPLE) == LDAP_SUCCESS) {
  83                         strcpy(filter, "(&(objectclass=");
  84                         strcat(filter, group_oc_name);
  85                         strcat(filter, ")(");
  86                         strcat(filter, group_at_name);
  87                         strcat(filter, "=");
  88                         strcat(filter, op_ndn);
  89                         strcat(filter, "))");
  90
  91                         gattr[0] = "objectclass";
  92                         gattr[1] = NULL;
  93                         if (ldap_search_ext_s(ld, gr_ndn, LDAP_SCOPE_BASE, filter,
  94                                                                         gattr, 0, NULL, NULL, LDAP_NO_LIMIT,
  95                                                                         LDAP_NO_LIMIT, &result) == LDAP_SUCCESS)
  96                         {
  97                                 if (ldap_first_entry(ld, result) != NULL)
  98                                         rc = 0;
  99                                 ldap_msgfree(result);
 100                         }
 101                 }
 102                 ldap_unbind(ld);
 103                 ch_free(filter);
 104                 return(rc);
 105     }
 106
 107         return(0);
 108 }
 109