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         Connection *conn,
  27         Operation *op,
  28         Entry   *target,
  29         const char      *gr_ndn,
  30         const char      *op_ndn,
  31         ObjectClass* group_oc,
  32         AttributeDescription* group_at
  33 )
  34 {
  35         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
  36         int rc = 1;
  37         Attribute   *attr;
  38         Entry *e;
  39         struct berval bv;
  40         LDAPMessage     *result;
  41         char *gattr[2];
  42         char *filter;
  43         LDAP *ld;
  44
  45         AttributeDescription *ad_objectClass = slap_schema.si_ad_objectClass;
  46         const char *group_oc_name = NULL;
  47         const char *group_at_name = group_at->ad_cname->bv_val;
  48
  49         if( group_oc->soc_names && group_oc->soc_names[0] ) {
  50                 group_oc_name = group_oc->soc_names[0];
  51         } else {
  52                 group_oc_name = group_oc->soc_oid;
  53         }
  54
  55         if (target != NULL && strcmp(target->e_ndn, gr_ndn) == 0) {
  56                 /* we already have a copy of the entry */
  57                 e = target;
  58
  59                 if( is_entry_objectclass( e, group_oc ) ) {
  60                         return(1);
  61                 }
  62
  63                 if ((attr = attr_find(e->e_attrs, group_at)) == NULL)
  64                         return(1);
  65
  66                 bv.bv_val = (char *) op_ndn;
  67                 bv.bv_len = strlen( op_ndn );
  68                 if( value_find( group_at, attr->a_vals, &bv ) == 0  )
  69                         return(1);
  70
  71         } else {
  72                 filter = ch_malloc(sizeof("(&(objectclass=)(=))")
  73                                                         + strlen(group_oc_name)
  74                                                         + strlen(group_at_name)
  75                                                         + strlen(op_ndn) + 1);
  76                 if (filter == NULL)
  77                         return(1);
  78
  79                 if (ldap_initialize(&ld, li->url) != LDAP_SUCCESS) {
  80                         ch_free(filter);
  81                         return(1);
  82                 }
  83
  84                 if (ldap_bind_s(ld, li->binddn, li->bindpw, LDAP_AUTH_SIMPLE) == LDAP_SUCCESS) {
  85                         strcpy(filter, "(&(objectclass=");
  86                         strcat(filter, group_oc_name);
  87                         strcat(filter, ")(");
  88                         strcat(filter, group_at_name);
  89                         strcat(filter, "=");
  90                         strcat(filter, op_ndn);
  91                         strcat(filter, "))");
  92
  93                         gattr[0] = "objectclass";
  94                         gattr[1] = NULL;
  95                         if (ldap_search_ext_s(ld, gr_ndn, LDAP_SCOPE_BASE, filter,
  96                                                                         gattr, 0, NULL, NULL, LDAP_NO_LIMIT,
  97                                                                         LDAP_NO_LIMIT, &result) == LDAP_SUCCESS)
  98                         {
  99                                 if (ldap_first_entry(ld, result) != NULL)
 100                                         rc = 0;
 101                                 ldap_msgfree(result);
 102                         }
 103                 }
 104                 ldap_unbind(ld);
 105                 ch_free(filter);
 106                 return(rc);
 107     }
 108
 109         return(0);
 110 }
 111