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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
*
* License: GPL (version 3 or any later version).
* See LICENSE for details.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/***********************************************************************
** NAME
** utils.c
**
** DESCRIPTION
**
**
** AUTHOR
** <rweltman@netscape.com>
**
***********************************************************************/
/***********************************************************************
** Includes
***********************************************************************/
#include "plugin-utils.h"
#include "nspr.h"
static char *plugin_name = "utils";
/* ------------------------------------------------------------ */
/*
* op_error - Record (and report) an operational error.
*/
int
op_error(int internal_error)
{
slapi_log_err(SLAPI_LOG_PLUGIN, plugin_name,
"Internal error: %d\n", internal_error);
return LDAP_OPERATIONS_ERROR;
}
/* ------------------------------------------------------------ */
/*
* readPblockAndEntry - search for and read an entry
* Return:
* A pblock containing the entry, or NULL
*/
Slapi_PBlock *
readPblockAndEntry(Slapi_DN *baseDN, const char *filter, char *attrs[])
{
Slapi_PBlock *spb = NULL;
BEGIN
int sres;
/* Perform the search - the new pblock needs to be freed */
spb = slapi_search_internal(slapi_sdn_get_dn(baseDN), LDAP_SCOPE_BASE,
(char *)filter, NULL, attrs, 0);
if (!spb) {
op_error(20);
break;
}
if (slapi_pblock_get(spb, SLAPI_PLUGIN_INTOP_RESULT, &sres)) {
op_error(21);
break;
} else if (sres) {
op_error(22);
break;
}
END
return spb;
}
/* ------------------------------------------------------------ */
/*
* hasObjectClass - read an entry and check if it has a
* particular object class value
* Return:
* 1 - the entry contains the object class value
* 0 - the entry doesn't contain the object class value
*/
int
entryHasObjectClass(Slapi_PBlock *pb __attribute__((unused)), Slapi_Entry *e, const char *objectClass)
{
Slapi_Attr *attr;
Slapi_Value *v;
const struct berval *bv;
int vhint;
if (slapi_entry_attr_find(e, "objectclass", &attr)) {
return 0; /* no objectclass values! */
}
/*
* Check each of the object class values in turn.
*/
for (vhint = slapi_attr_first_value(attr, &v);
vhint != -1;
vhint = slapi_attr_next_value(attr, vhint, &v)) {
bv = slapi_value_get_berval(v);
if (NULL != bv && NULL != bv->bv_val &&
!strcasecmp(bv->bv_val, objectClass)) {
return 1;
}
}
return 0;
}
/* ------------------------------------------------------------ */
/*
* dnHasObjectClass - read an entry if it has a particular object class
* Return:
* A pblock containing the entry, or NULL
*/
Slapi_PBlock *
dnHasObjectClass(Slapi_DN *baseDN, const char *objectClass)
{
char *filter = NULL;
Slapi_PBlock *spb = NULL;
BEGIN
Slapi_Entry **entries;
char *attrs[2];
/* Perform the search - the new pblock needs to be freed */
attrs[0] = "objectclass";
attrs[1] = NULL;
filter = PR_smprintf("objectclass=%s", objectClass);
if (!(spb = readPblockAndEntry(baseDN, filter, attrs))) {
break;
}
if (slapi_pblock_get(spb, SLAPI_PLUGIN_INTOP_SEARCH_ENTRIES,
&entries)) {
op_error(23);
break;
}
/*
* Can only be one entry returned on a base search; just check
* the first one
*/
if (!*entries) {
/* Clean up */
slapi_free_search_results_internal(spb);
slapi_pblock_destroy(spb);
spb = NULL;
}
END
if (filter)
{
PR_smprintf_free(filter);
}
return spb;
}
/* ------------------------------------------------------------ */
/*
* dnHasAttribute - read an entry if it has a particular attribute
* Return:
* The entry, or NULL
*/
Slapi_PBlock *
dnHasAttribute(const char *baseDN, const char *attrName)
{
Slapi_PBlock *spb = NULL;
char *filter = NULL;
BEGIN
int sres;
Slapi_Entry **entries;
char *attrs[2];
/* Perform the search - the new pblock needs to be freed */
attrs[0] = (char *)attrName;
attrs[1] = NULL;
filter = PR_smprintf("%s=*", attrName);
spb = slapi_search_internal((char *)baseDN, LDAP_SCOPE_BASE,
filter, NULL, attrs, 0);
if (!spb) {
op_error(20);
break;
}
if (slapi_pblock_get(spb, SLAPI_PLUGIN_INTOP_RESULT, &sres)) {
op_error(21);
break;
} else if (sres) {
op_error(22);
break;
}
if (slapi_pblock_get(spb, SLAPI_PLUGIN_INTOP_SEARCH_ENTRIES,
&entries)) {
op_error(23);
break;
}
/*
* Can only be one entry returned on a base search; just check
* the first one
*/
if (!*entries) {
/* Clean up */
slapi_free_search_results_internal(spb);
slapi_pblock_destroy(spb);
spb = NULL;
}
END
if (filter)
{
PR_smprintf_free(filter);
}
return spb;
}
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