root/ext/ldap/ldap.c

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DEFINITIONS

This source file includes following definitions.
  1. ZEND_DECLARE_MODULE_GLOBALS
  2. _free_ldap_result
  3. _free_ldap_result_entry
  4. PHP_INI_BEGIN
  5. PHP_MINIT_FUNCTION
  6. PHP_MSHUTDOWN_FUNCTION
  7. PHP_MINFO_FUNCTION
  8. PHP_FUNCTION
  9. _get_lderrno
  10. PHP_FUNCTION
  11. _php_sasl_setdefs
  12. _php_sasl_freedefs
  13. _php_sasl_interact
  14. PHP_FUNCTION
  15. PHP_FUNCTION
  16. php_set_opts
  17. php_ldap_do_search
  18. PHP_FUNCTION
  19. PHP_FUNCTION
  20. PHP_FUNCTION
  21. PHP_FUNCTION
  22. PHP_FUNCTION
  23. PHP_FUNCTION
  24. PHP_FUNCTION
  25. PHP_FUNCTION
  26. PHP_FUNCTION
  27. PHP_FUNCTION
  28. PHP_FUNCTION
  29. PHP_FUNCTION
  30. PHP_FUNCTION
  31. PHP_FUNCTION
  32. PHP_FUNCTION
  33. php_ldap_do_modify
  34. PHP_FUNCTION
  35. PHP_FUNCTION
  36. PHP_FUNCTION
  37. PHP_FUNCTION
  38. PHP_FUNCTION
  39. PHP_FUNCTION
  40. PHP_FUNCTION
  41. PHP_FUNCTION
  42. PHP_FUNCTION
  43. PHP_FUNCTION
  44. PHP_FUNCTION
  45. PHP_FUNCTION
  46. PHP_FUNCTION
  47. PHP_FUNCTION
  48. PHP_FUNCTION
  49. PHP_FUNCTION
  50. PHP_FUNCTION
  51. PHP_FUNCTION
  52. _ldap_rebind_proc
  53. PHP_FUNCTION
  54. php_ldap_do_translate
  55. PHP_FUNCTION
  56. PHP_FUNCTION
  57. PHP_FUNCTION
  58. PHP_FUNCTION

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2013 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Amitay Isaacs  <amitay@w-o-i.com>                           |
   |          Eric Warnke    <ericw@albany.edu>                           |
   |          Rasmus Lerdorf <rasmus@php.net>                             |
   |          Gerrit Thomson <334647@swin.edu.au>                         |
   |          Jani Taskinen  <sniper@iki.fi>                              |
   |          Stig Venaas    <venaas@uninett.no>                          |
   |          Doug Goldstein <cardoe@cardoe.com>                          |
   | PHP 4.0 updates:  Zeev Suraski <zeev@zend.com>                       |
   +----------------------------------------------------------------------+
 */
 
/* $Id$ */
#define IS_EXT_MODULE

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

/* Additional headers for NetWare */
#if defined(NETWARE) && (NEW_LIBC)
#include <sys/select.h>
#include <sys/timeval.h>
#endif

#include "php.h"
#include "php_ini.h"

#include <stddef.h>

#include "ext/standard/dl.h"
#include "php_ldap.h"

#ifdef PHP_WIN32
#include <string.h>
#include "config.w32.h"
#if HAVE_NSLDAP
#include <winsock2.h>
#endif
#define strdup _strdup
#undef WINDOWS
#undef strcasecmp
#undef strncasecmp
#define WINSOCK 1
#define __STDC__ 1
#endif

#include "ext/standard/php_string.h"
#include "ext/standard/info.h"

#ifdef HAVE_LDAP_SASL_H
#include <sasl.h>
#elif defined(HAVE_LDAP_SASL_SASL_H)
#include <sasl/sasl.h>
#endif

typedef struct {
        LDAP *link;
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
        zval *rebindproc;
#endif
} ldap_linkdata;

typedef struct {
        LDAPMessage *data;
        BerElement *ber;
        int id;
} ldap_resultentry;

ZEND_DECLARE_MODULE_GLOBALS(ldap)
static PHP_GINIT_FUNCTION(ldap);

static int le_link, le_result, le_result_entry;

#ifdef COMPILE_DL_LDAP
ZEND_GET_MODULE(ldap)
#endif

static void _close_ldap_link(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
{
        ldap_linkdata *ld = (ldap_linkdata *)rsrc->ptr;

        ldap_unbind_s(ld->link);
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
        if (ld->rebindproc != NULL) {
                zval_dtor(ld->rebindproc);
                FREE_ZVAL(ld->rebindproc);
        }
#endif
        efree(ld);
        LDAPG(num_links)--;
}
/* }}} */

static void _free_ldap_result(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
{
        LDAPMessage *result = (LDAPMessage *)rsrc->ptr;
        ldap_msgfree(result);
}
/* }}} */

static void _free_ldap_result_entry(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
{
        ldap_resultentry *entry = (ldap_resultentry *)rsrc->ptr;

        if (entry->ber != NULL) {
                ber_free(entry->ber, 0);
                entry->ber = NULL;
        }
        zend_list_delete(entry->id);
        efree(entry);
} 
/* }}} */

/* {{{ PHP_INI_BEGIN
 */
PHP_INI_BEGIN()
        STD_PHP_INI_ENTRY_EX("ldap.max_links", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_links, zend_ldap_globals, ldap_globals, display_link_numbers)
PHP_INI_END()
/* }}} */

/* {{{ PHP_GINIT_FUNCTION
 */
static PHP_GINIT_FUNCTION(ldap)
{
        ldap_globals->num_links = 0;
}
/* }}} */

/* {{{ PHP_MINIT_FUNCTION
 */
PHP_MINIT_FUNCTION(ldap)
{
        REGISTER_INI_ENTRIES();

        /* Constants to be used with deref-parameter in php_ldap_do_search() */
        REGISTER_LONG_CONSTANT("LDAP_DEREF_NEVER", LDAP_DEREF_NEVER, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_DEREF_SEARCHING", LDAP_DEREF_SEARCHING, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_DEREF_FINDING", LDAP_DEREF_FINDING, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_DEREF_ALWAYS", LDAP_DEREF_ALWAYS, CONST_PERSISTENT | CONST_CS);

#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP
        /* LDAP options */
        REGISTER_LONG_CONSTANT("LDAP_OPT_DEREF", LDAP_OPT_DEREF, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_OPT_SIZELIMIT", LDAP_OPT_SIZELIMIT, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_OPT_TIMELIMIT", LDAP_OPT_TIMELIMIT, CONST_PERSISTENT | CONST_CS);
#ifdef LDAP_OPT_NETWORK_TIMEOUT
        REGISTER_LONG_CONSTANT("LDAP_OPT_NETWORK_TIMEOUT", LDAP_OPT_NETWORK_TIMEOUT, CONST_PERSISTENT | CONST_CS);
#elif defined (LDAP_X_OPT_CONNECT_TIMEOUT)
        REGISTER_LONG_CONSTANT("LDAP_OPT_NETWORK_TIMEOUT", LDAP_X_OPT_CONNECT_TIMEOUT, CONST_PERSISTENT | CONST_CS);
#endif
        REGISTER_LONG_CONSTANT("LDAP_OPT_PROTOCOL_VERSION", LDAP_OPT_PROTOCOL_VERSION, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_OPT_ERROR_NUMBER", LDAP_OPT_ERROR_NUMBER, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_OPT_REFERRALS", LDAP_OPT_REFERRALS, CONST_PERSISTENT | CONST_CS);
#ifdef LDAP_OPT_RESTART
        REGISTER_LONG_CONSTANT("LDAP_OPT_RESTART", LDAP_OPT_RESTART, CONST_PERSISTENT | CONST_CS);
#endif
#ifdef LDAP_OPT_HOST_NAME
        REGISTER_LONG_CONSTANT("LDAP_OPT_HOST_NAME", LDAP_OPT_HOST_NAME, CONST_PERSISTENT | CONST_CS);
#endif
        REGISTER_LONG_CONSTANT("LDAP_OPT_ERROR_STRING", LDAP_OPT_ERROR_STRING, CONST_PERSISTENT | CONST_CS);
#ifdef LDAP_OPT_MATCHED_DN
        REGISTER_LONG_CONSTANT("LDAP_OPT_MATCHED_DN", LDAP_OPT_MATCHED_DN, CONST_PERSISTENT | CONST_CS);
#endif
        REGISTER_LONG_CONSTANT("LDAP_OPT_SERVER_CONTROLS", LDAP_OPT_SERVER_CONTROLS, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_OPT_CLIENT_CONTROLS", LDAP_OPT_CLIENT_CONTROLS, CONST_PERSISTENT | CONST_CS);
#endif
#ifdef LDAP_OPT_DEBUG_LEVEL
        REGISTER_LONG_CONSTANT("LDAP_OPT_DEBUG_LEVEL", LDAP_OPT_DEBUG_LEVEL, CONST_PERSISTENT | CONST_CS);
#endif

#ifdef HAVE_LDAP_SASL
        REGISTER_LONG_CONSTANT("LDAP_OPT_X_SASL_MECH", LDAP_OPT_X_SASL_MECH, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_OPT_X_SASL_REALM", LDAP_OPT_X_SASL_REALM, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_OPT_X_SASL_AUTHCID", LDAP_OPT_X_SASL_AUTHCID, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("LDAP_OPT_X_SASL_AUTHZID", LDAP_OPT_X_SASL_AUTHZID, CONST_PERSISTENT | CONST_CS);
#endif

#ifdef ORALDAP
        REGISTER_LONG_CONSTANT("GSLC_SSL_NO_AUTH", GSLC_SSL_NO_AUTH, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("GSLC_SSL_ONEWAY_AUTH", GSLC_SSL_ONEWAY_AUTH, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("GSLC_SSL_TWOWAY_AUTH", GSLC_SSL_TWOWAY_AUTH, CONST_PERSISTENT | CONST_CS);
#endif

        le_link = zend_register_list_destructors_ex(_close_ldap_link, NULL, "ldap link", module_number);
        le_result = zend_register_list_destructors_ex(_free_ldap_result, NULL, "ldap result", module_number);
        le_result_entry = zend_register_list_destructors_ex(_free_ldap_result_entry, NULL, "ldap result entry", module_number);

        Z_TYPE(ldap_module_entry) = type;

        return SUCCESS;
}
/* }}} */

/* {{{ PHP_MSHUTDOWN_FUNCTION
 */
PHP_MSHUTDOWN_FUNCTION(ldap)
{
        UNREGISTER_INI_ENTRIES();
        return SUCCESS;
}
/* }}} */

/* {{{ PHP_MINFO_FUNCTION
 */
PHP_MINFO_FUNCTION(ldap)
{
        char tmp[32];
#if HAVE_NSLDAP
        LDAPVersion ver;
        double SDKVersion;
#endif

        php_info_print_table_start();
        php_info_print_table_row(2, "LDAP Support", "enabled");
        php_info_print_table_row(2, "RCS Version", "$Id$");

        if (LDAPG(max_links) == -1) {
                snprintf(tmp, 31, "%ld/unlimited", LDAPG(num_links));
        } else {
                snprintf(tmp, 31, "%ld/%ld", LDAPG(num_links), LDAPG(max_links));
        }
        php_info_print_table_row(2, "Total Links", tmp);

#ifdef LDAP_API_VERSION
        snprintf(tmp, 31, "%d", LDAP_API_VERSION);
        php_info_print_table_row(2, "API Version", tmp);
#endif

#ifdef LDAP_VENDOR_NAME
        php_info_print_table_row(2, "Vendor Name", LDAP_VENDOR_NAME);
#endif

#ifdef LDAP_VENDOR_VERSION
        snprintf(tmp, 31, "%d", LDAP_VENDOR_VERSION);
        php_info_print_table_row(2, "Vendor Version", tmp);
#endif

#if HAVE_NSLDAP
        SDKVersion = ldap_version(&ver);
        snprintf(tmp, 31, "%F", SDKVersion/100.0);
        php_info_print_table_row(2, "SDK Version", tmp);

        snprintf(tmp, 31, "%F", ver.protocol_version/100.0);
        php_info_print_table_row(2, "Highest LDAP Protocol Supported", tmp);

        snprintf(tmp, 31, "%F", ver.SSL_version/100.0);
        php_info_print_table_row(2, "SSL Level Supported", tmp);

        if (ver.security_level != LDAP_SECURITY_NONE) {
                snprintf(tmp, 31, "%d", ver.security_level);
        } else {
                strcpy(tmp, "SSL not enabled");
        }
        php_info_print_table_row(2, "Level of Encryption", tmp);
#endif

#ifdef HAVE_LDAP_SASL
        php_info_print_table_row(2, "SASL Support", "Enabled");
#endif

        php_info_print_table_end();
        DISPLAY_INI_ENTRIES();
}
/* }}} */

/* {{{ proto resource ldap_connect([string host [, int port [, string wallet [, string wallet_passwd [, int authmode]]]]])
   Connect to an LDAP server */
PHP_FUNCTION(ldap_connect)
{
        char *host = NULL;
        int hostlen;
        long port = 389; /* Default port */
#ifdef HAVE_ORALDAP
        char *wallet = NULL, *walletpasswd = NULL;
        int walletlen = 0, walletpasswdlen = 0;
        long authmode = GSLC_SSL_NO_AUTH;
        int ssl=0;
#endif
        ldap_linkdata *ld;
        LDAP *ldap;

#ifdef HAVE_ORALDAP
        if (ZEND_NUM_ARGS() == 3 || ZEND_NUM_ARGS() == 4) {
                WRONG_PARAM_COUNT;
        }

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|slssl", &host, &hostlen, &port, &wallet, &walletlen, &walletpasswd, &walletpasswdlen, &authmode) != SUCCESS) {
                RETURN_FALSE;
        }

        if (ZEND_NUM_ARGS() == 5) {
                ssl = 1;
        }
#else
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sl", &host, &hostlen, &port) != SUCCESS) {
                RETURN_FALSE;
        }
#endif

        if (LDAPG(max_links) != -1 && LDAPG(num_links) >= LDAPG(max_links)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open links (%ld)", LDAPG(num_links));
                RETURN_FALSE;
        }

        ld = ecalloc(1, sizeof(ldap_linkdata));

#ifdef LDAP_API_FEATURE_X_OPENLDAP
        if (host != NULL && strchr(host, '/')) {
                int rc;
                
                rc = ldap_initialize(&ldap, host);
                if (rc != LDAP_SUCCESS) {
                        efree(ld);
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not create session handle: %s", ldap_err2string(rc));
                        RETURN_FALSE;
                }
        } else {
                ldap = ldap_init(host, port);
        }
#else
        ldap = ldap_open(host, port);
#endif
        
        if (ldap == NULL) {
                efree(ld);
                RETURN_FALSE;
        } else {
#ifdef HAVE_ORALDAP
                if (ssl) {
                        if (ldap_init_SSL(&ldap->ld_sb, wallet, walletpasswd, authmode)) {
                                efree(ld);
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SSL init failed");
                                RETURN_FALSE;
                        }
                }                       
#endif
                LDAPG(num_links)++;
                ld->link = ldap;
                ZEND_REGISTER_RESOURCE(return_value, ld, le_link);
        }

}
/* }}} */

/* {{{ _get_lderrno
 */
static int _get_lderrno(LDAP *ldap)
{
#if !HAVE_NSLDAP
#if LDAP_API_VERSION > 2000 || HAVE_ORALDAP
        int lderr;

        /* New versions of OpenLDAP do it this way */
        ldap_get_option(ldap, LDAP_OPT_ERROR_NUMBER, &lderr);
        return lderr;
#else
        return ldap->ld_errno;
#endif
#else
        return ldap_get_lderrno(ldap, NULL, NULL);
#endif
}
/* }}} */

/* {{{ proto bool ldap_bind(resource link [, string dn [, string password]])
   Bind to LDAP directory */
PHP_FUNCTION(ldap_bind)
{
        zval *link;
        char *ldap_bind_dn = NULL, *ldap_bind_pw = NULL;
        int ldap_bind_dnlen, ldap_bind_pwlen;
        ldap_linkdata *ld;
        int rc;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ss", &link, &ldap_bind_dn, &ldap_bind_dnlen, &ldap_bind_pw, &ldap_bind_pwlen) != SUCCESS) {
                RETURN_FALSE;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        if ((rc = ldap_bind_s(ld->link, ldap_bind_dn, ldap_bind_pw, LDAP_AUTH_SIMPLE)) != LDAP_SUCCESS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to bind to server: %s", ldap_err2string(rc));
                RETURN_FALSE;
        } else {
                RETURN_TRUE;
        }
}
/* }}} */

#ifdef HAVE_LDAP_SASL
typedef struct {
        char *mech;
        char *realm;
        char *authcid;
        char *passwd;
        char *authzid;
} php_ldap_bictx;

/* {{{ _php_sasl_setdefs
 */
static php_ldap_bictx *_php_sasl_setdefs(LDAP *ld, char *sasl_mech, char *sasl_realm, char *sasl_authc_id, char *passwd, char *sasl_authz_id)
{
        php_ldap_bictx *ctx;

        ctx = ber_memalloc(sizeof(php_ldap_bictx));     
        ctx->mech    = (sasl_mech) ? ber_strdup(sasl_mech) : NULL;
        ctx->realm   = (sasl_realm) ? ber_strdup(sasl_realm) : NULL;
        ctx->authcid = (sasl_authc_id) ? ber_strdup(sasl_authc_id) : NULL;
        ctx->passwd  = (passwd) ? ber_strdup(passwd) : NULL;
        ctx->authzid = (sasl_authz_id) ? ber_strdup(sasl_authz_id) : NULL;

        if (ctx->mech == NULL) {
                ldap_get_option(ld, LDAP_OPT_X_SASL_MECH, &ctx->mech);
        }
        if (ctx->realm == NULL) {
                ldap_get_option(ld, LDAP_OPT_X_SASL_REALM, &ctx->realm);
        }
        if (ctx->authcid == NULL) {
                ldap_get_option(ld, LDAP_OPT_X_SASL_AUTHCID, &ctx->authcid);
        }
        if (ctx->authzid == NULL) {
                ldap_get_option(ld, LDAP_OPT_X_SASL_AUTHZID, &ctx->authzid);
        }

        return ctx;
}
/* }}} */

/* {{{ _php_sasl_freedefs
 */
static void _php_sasl_freedefs(php_ldap_bictx *ctx)
{
        if (ctx->mech) ber_memfree(ctx->mech);
        if (ctx->realm) ber_memfree(ctx->realm);
        if (ctx->authcid) ber_memfree(ctx->authcid);
        if (ctx->passwd) ber_memfree(ctx->passwd);
        if (ctx->authzid) ber_memfree(ctx->authzid);
        ber_memfree(ctx);
}
/* }}} */

/* {{{ _php_sasl_interact
   Internal interact function for SASL */
static int _php_sasl_interact(LDAP *ld, unsigned flags, void *defaults, void *in)
{
        sasl_interact_t *interact = in;
        const char *p;
        php_ldap_bictx *ctx = defaults;

        for (;interact->id != SASL_CB_LIST_END;interact++) {
                p = NULL;
                switch(interact->id) {
                        case SASL_CB_GETREALM:
                                p = ctx->realm;
                                break;
                        case SASL_CB_AUTHNAME:
                                p = ctx->authcid;
                                break;
                        case SASL_CB_USER:
                                p = ctx->authzid;
                                break;
                        case SASL_CB_PASS:
                                p = ctx->passwd;
                                break;
                }
                if (p) {
                        interact->result = p;
                        interact->len = strlen(interact->result);
                }
        }
        return LDAP_SUCCESS;
}
/* }}} */

/* {{{ proto bool ldap_sasl_bind(resource link [, string binddn [, string password [, string sasl_mech [, string sasl_realm [, string sasl_authc_id [, string sasl_authz_id [, string props]]]]]]])
   Bind to LDAP directory using SASL */
PHP_FUNCTION(ldap_sasl_bind)
{
        zval *link;
        ldap_linkdata *ld;
        char *binddn = NULL;
        char *passwd = NULL;
        char *sasl_mech = NULL;
        char *sasl_realm = NULL;
        char *sasl_authz_id = NULL;
        char *sasl_authc_id = NULL;
        char *props = NULL;
        int rc, dn_len, passwd_len, mech_len, realm_len, authc_id_len, authz_id_len, props_len;
        php_ldap_bictx *ctx;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|sssssss", &link, &binddn, &dn_len, &passwd, &passwd_len, &sasl_mech, &mech_len, &sasl_realm, &realm_len, &sasl_authc_id, &authc_id_len, &sasl_authz_id, &authz_id_len, &props, &props_len) != SUCCESS) {
                RETURN_FALSE;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        ctx = _php_sasl_setdefs(ld->link, sasl_mech, sasl_realm, sasl_authc_id, passwd, sasl_authz_id);

        if (props) {
                ldap_set_option(ld->link, LDAP_OPT_X_SASL_SECPROPS, props);
        }

        rc = ldap_sasl_interactive_bind_s(ld->link, binddn, ctx->mech, NULL, NULL, LDAP_SASL_QUIET, _php_sasl_interact, ctx);
        if (rc != LDAP_SUCCESS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to bind to server: %s", ldap_err2string(rc));
                RETVAL_FALSE;
        } else {
                RETVAL_TRUE;
        }
        _php_sasl_freedefs(ctx);
}
/* }}} */
#endif /* HAVE_LDAP_SASL */

/* {{{ proto bool ldap_unbind(resource link)
   Unbind from LDAP directory */
PHP_FUNCTION(ldap_unbind)
{
        zval *link;
        ldap_linkdata *ld;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &link) != SUCCESS) {
                RETURN_FALSE;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        zend_list_delete(Z_LVAL_P(link));
        RETURN_TRUE;
}
/* }}} */

/* {{{ php_set_opts
 */
static void php_set_opts(LDAP *ldap, int sizelimit, int timelimit, int deref, int *old_sizelimit, int *old_timelimit, int *old_deref)
{
        /* sizelimit */
        if (sizelimit > -1) {
#if (LDAP_API_VERSION >= 2004) || HAVE_NSLDAP || HAVE_ORALDAP
                ldap_get_option(ldap, LDAP_OPT_SIZELIMIT, old_sizelimit);
                ldap_set_option(ldap, LDAP_OPT_SIZELIMIT, &sizelimit);
#else
                *old_sizelimit = ldap->ld_sizelimit; 
                ldap->ld_sizelimit = sizelimit; 
#endif
        }

        /* timelimit */
        if (timelimit > -1) {
#if (LDAP_API_VERSION >= 2004) || HAVE_NSLDAP || HAVE_ORALDAP
                ldap_get_option(ldap, LDAP_OPT_SIZELIMIT, old_timelimit);
                ldap_set_option(ldap, LDAP_OPT_TIMELIMIT, &timelimit);
#else
                *old_timelimit = ldap->ld_timelimit; 
                ldap->ld_timelimit = timelimit; 
#endif
        }

        /* deref */
        if (deref > -1) {
#if (LDAP_API_VERSION >= 2004) || HAVE_NSLDAP || HAVE_ORALDAP
                ldap_get_option(ldap, LDAP_OPT_SIZELIMIT, old_deref);
                ldap_set_option(ldap, LDAP_OPT_DEREF, &deref);
#else
                *old_deref = ldap->ld_deref; 
                ldap->ld_deref = deref; 
#endif
        }
}
/* }}} */

/* {{{ php_ldap_do_search
 */
static void php_ldap_do_search(INTERNAL_FUNCTION_PARAMETERS, int scope)
{
        zval *link, *base_dn, **filter, *attrs = NULL, **attr;
        long attrsonly, sizelimit, timelimit, deref;
        char *ldap_base_dn = NULL, *ldap_filter = NULL, **ldap_attrs = NULL; 
        ldap_linkdata *ld = NULL;
        LDAPMessage *ldap_res;
        int ldap_attrsonly = 0, ldap_sizelimit = -1, ldap_timelimit = -1, ldap_deref = -1;       
        int old_ldap_sizelimit = -1, old_ldap_timelimit = -1, old_ldap_deref = -1;       
        int num_attribs = 0, ret = 1, i, errno, argcount = ZEND_NUM_ARGS();

        if (zend_parse_parameters(argcount TSRMLS_CC, "zzZ|allll", &link, &base_dn, &filter, &attrs, &attrsonly,
                &sizelimit, &timelimit, &deref) == FAILURE) {
                return;
        }

        /* Reverse -> fall through */
        switch (argcount) {
                case 8:
                        ldap_deref = deref;
                case 7:
                        ldap_timelimit = timelimit;
                case 6:
                        ldap_sizelimit = sizelimit;
                case 5:
                        ldap_attrsonly = attrsonly;
                case 4:
                        num_attribs = zend_hash_num_elements(Z_ARRVAL_P(attrs));
                        ldap_attrs = safe_emalloc((num_attribs+1), sizeof(char *), 0);

                        for (i = 0; i<num_attribs; i++) {
                                if (zend_hash_index_find(Z_ARRVAL_P(attrs), i, (void **) &attr) != SUCCESS) {
                                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Array initialization wrong");
                                        ret = 0;
                                        goto cleanup;
                                }

                                SEPARATE_ZVAL(attr);
                                convert_to_string_ex(attr);
                                ldap_attrs[i] = Z_STRVAL_PP(attr);
                        }
                        ldap_attrs[num_attribs] = NULL;
                default:
                        break;
        }

        /* parallel search? */
        if (Z_TYPE_P(link) == IS_ARRAY) {
                int i, nlinks, nbases, nfilters, *rcs;
                ldap_linkdata **lds;
                zval **entry, *resource;
                
                nlinks = zend_hash_num_elements(Z_ARRVAL_P(link));
                if (nlinks == 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "No links in link array");
                        ret = 0;
                        goto cleanup;
                }

                if (Z_TYPE_P(base_dn) == IS_ARRAY) {
                        nbases = zend_hash_num_elements(Z_ARRVAL_P(base_dn));
                        if (nbases != nlinks) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Base must either be a string, or an array with the same number of elements as the links array");
                                ret = 0;
                                goto cleanup;
                        }
                        zend_hash_internal_pointer_reset(Z_ARRVAL_P(base_dn));
                } else {
                        nbases = 0; /* this means string, not array */
                        /* If anything else than string is passed, ldap_base_dn = NULL */
                        if (Z_TYPE_P(base_dn) == IS_STRING) {
                                ldap_base_dn = Z_STRVAL_P(base_dn);
                        } else {
                                ldap_base_dn = NULL;
                        }
                }

                if (Z_TYPE_PP(filter) == IS_ARRAY) {
                        nfilters = zend_hash_num_elements(Z_ARRVAL_PP(filter));
                        if (nfilters != nlinks) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filter must either be a string, or an array with the same number of elements as the links array");
                                ret = 0;
                                goto cleanup;
                        }
                        zend_hash_internal_pointer_reset(Z_ARRVAL_PP(filter));
                } else {
                        nfilters = 0; /* this means string, not array */
                        convert_to_string_ex(filter);
                        ldap_filter = Z_STRVAL_PP(filter);
                }

                lds = safe_emalloc(nlinks, sizeof(ldap_linkdata), 0);
                rcs = safe_emalloc(nlinks, sizeof(*rcs), 0);
                
                zend_hash_internal_pointer_reset(Z_ARRVAL_P(link));
                for (i=0; i<nlinks; i++) {
                        zend_hash_get_current_data(Z_ARRVAL_P(link), (void **)&entry);

                        ld = (ldap_linkdata *) zend_fetch_resource(entry TSRMLS_CC, -1, "ldap link", NULL, 1, le_link);
                        if (ld == NULL) {
                                ret = 0;
                                goto cleanup_parallel;
                        }
                        if (nbases != 0) { /* base_dn an array? */
                                zend_hash_get_current_data(Z_ARRVAL_P(base_dn), (void **)&entry);
                                zend_hash_move_forward(Z_ARRVAL_P(base_dn));

                                /* If anything else than string is passed, ldap_base_dn = NULL */
                                if (Z_TYPE_PP(entry) == IS_STRING) {
                                        ldap_base_dn = Z_STRVAL_PP(entry);
                                } else {
                                        ldap_base_dn = NULL;
                                }
                        }
                        if (nfilters != 0) { /* filter an array? */
                                zend_hash_get_current_data(Z_ARRVAL_PP(filter), (void **)&entry);
                                zend_hash_move_forward(Z_ARRVAL_PP(filter));
                                convert_to_string_ex(entry);
                                ldap_filter = Z_STRVAL_PP(entry);
                        }

                        php_set_opts(ld->link, ldap_sizelimit, ldap_timelimit, ldap_deref, &old_ldap_sizelimit, &old_ldap_timelimit, &old_ldap_deref);

                        /* Run the actual search */     
                        rcs[i] = ldap_search(ld->link, ldap_base_dn, scope, ldap_filter, ldap_attrs, ldap_attrsonly);
                        lds[i] = ld;
                        zend_hash_move_forward(Z_ARRVAL_P(link));
                }
                
                array_init(return_value);

                /* Collect results from the searches */
                for (i=0; i<nlinks; i++) {
                        MAKE_STD_ZVAL(resource);
                        if (rcs[i] != -1) {
                                rcs[i] = ldap_result(lds[i]->link, LDAP_RES_ANY, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
                        }
                        if (rcs[i] != -1) {
                                ZEND_REGISTER_RESOURCE(resource, ldap_res, le_result);
                                add_next_index_zval(return_value, resource);
                        } else {
                                add_next_index_bool(return_value, 0);
                        }
                }

cleanup_parallel:
                efree(lds);
                efree(rcs);
        } else {
                convert_to_string_ex(filter);
                ldap_filter = Z_STRVAL_PP(filter);

                /* If anything else than string is passed, ldap_base_dn = NULL */
                if (Z_TYPE_P(base_dn) == IS_STRING) {
                        ldap_base_dn = Z_STRVAL_P(base_dn);
                }

                ld = (ldap_linkdata *) zend_fetch_resource(&link TSRMLS_CC, -1, "ldap link", NULL, 1, le_link);
                if (ld == NULL) {
                        ret = 0;
                        goto cleanup;
                }

                php_set_opts(ld->link, ldap_sizelimit, ldap_timelimit, ldap_deref, &old_ldap_sizelimit, &old_ldap_timelimit, &old_ldap_deref);

                /* Run the actual search */     
                errno = ldap_search_s(ld->link, ldap_base_dn, scope, ldap_filter, ldap_attrs, ldap_attrsonly, &ldap_res);
        
                if (errno != LDAP_SUCCESS
                        && errno != LDAP_SIZELIMIT_EXCEEDED
#ifdef LDAP_ADMINLIMIT_EXCEEDED
                        && errno != LDAP_ADMINLIMIT_EXCEEDED
#endif
#ifdef LDAP_REFERRAL
                        && errno != LDAP_REFERRAL
#endif
                ) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Search: %s", ldap_err2string(errno));
                        ret = 0;
                } else {
                        if (errno == LDAP_SIZELIMIT_EXCEEDED) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Partial search results returned: Sizelimit exceeded");
                        }
#ifdef LDAP_ADMINLIMIT_EXCEEDED
                        else if (errno == LDAP_ADMINLIMIT_EXCEEDED) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Partial search results returned: Adminlimit exceeded");
                        }
#endif
                        
                        ZEND_REGISTER_RESOURCE(return_value, ldap_res, le_result);
                }
        }

cleanup:
        if (ld) {
                /* Restoring previous options */
                php_set_opts(ld->link, old_ldap_sizelimit, old_ldap_timelimit, old_ldap_deref, &ldap_sizelimit, &ldap_timelimit, &ldap_deref);
        }
        if (ldap_attrs != NULL) {
                efree(ldap_attrs);
        }
        if (!ret) {
                RETVAL_BOOL(ret);
        }
}
/* }}} */

/* {{{ proto resource ldap_read(resource|array link, string base_dn, string filter [, array attrs [, int attrsonly [, int sizelimit [, int timelimit [, int deref]]]]])
   Read an entry */
PHP_FUNCTION(ldap_read)
{
        php_ldap_do_search(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_SCOPE_BASE);
}
/* }}} */

/* {{{ proto resource ldap_list(resource|array link, string base_dn, string filter [, array attrs [, int attrsonly [, int sizelimit [, int timelimit [, int deref]]]]])
   Single-level search */
PHP_FUNCTION(ldap_list)
{
        php_ldap_do_search(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_SCOPE_ONELEVEL);
}
/* }}} */

/* {{{ proto resource ldap_search(resource|array link, string base_dn, string filter [, array attrs [, int attrsonly [, int sizelimit [, int timelimit [, int deref]]]]])
   Search LDAP tree under base_dn */
PHP_FUNCTION(ldap_search)
{
        php_ldap_do_search(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_SCOPE_SUBTREE);
}
/* }}} */

/* {{{ proto bool ldap_free_result(resource result)
   Free result memory */
PHP_FUNCTION(ldap_free_result)
{
        zval *result;
        LDAPMessage *ldap_result;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &result) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ldap_result, LDAPMessage *, &result, -1, "ldap result", le_result);

        zend_list_delete(Z_LVAL_P(result));  /* Delete list entry */
        RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int ldap_count_entries(resource link, resource result)
   Count the number of entries in a search result */
PHP_FUNCTION(ldap_count_entries)
{
        zval *link, *result;
        ldap_linkdata *ld;
        LDAPMessage *ldap_result;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &link, &result) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(ldap_result, LDAPMessage *, &result, -1, "ldap result", le_result);

        RETURN_LONG(ldap_count_entries(ld->link, ldap_result));
}
/* }}} */

/* {{{ proto resource ldap_first_entry(resource link, resource result)
   Return first result id */
PHP_FUNCTION(ldap_first_entry)
{
        zval *link, *result;
        ldap_linkdata *ld;      
        ldap_resultentry *resultentry;
        LDAPMessage *ldap_result, *entry;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &link, &result) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(ldap_result, LDAPMessage *, &result, -1, "ldap result", le_result);

        if ((entry = ldap_first_entry(ld->link, ldap_result)) == NULL) {
                RETVAL_FALSE;
        } else {
                resultentry = emalloc(sizeof(ldap_resultentry));
                ZEND_REGISTER_RESOURCE(return_value, resultentry, le_result_entry);
                resultentry->id = Z_LVAL_P(result);
                zend_list_addref(resultentry->id);
                resultentry->data = entry;
                resultentry->ber = NULL;
        }
}
/* }}} */

/* {{{ proto resource ldap_next_entry(resource link, resource result_entry)
   Get next result entry */
PHP_FUNCTION(ldap_next_entry)
{
        zval *link, *result_entry;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry, *resultentry_next;
        LDAPMessage *entry_next;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &link, &result_entry) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(resultentry, ldap_resultentry *, &result_entry, -1, "ldap result entry", le_result_entry);

        if ((entry_next = ldap_next_entry(ld->link, resultentry->data)) == NULL) {
                RETVAL_FALSE;
        } else {
                resultentry_next = emalloc(sizeof(ldap_resultentry));
                ZEND_REGISTER_RESOURCE(return_value, resultentry_next, le_result_entry);
                resultentry_next->id = resultentry->id;
                zend_list_addref(resultentry->id);
                resultentry_next->data = entry_next;
                resultentry_next->ber = NULL;
        }
}
/* }}} */

/* {{{ proto array ldap_get_entries(resource link, resource result)
   Get all result entries */
PHP_FUNCTION(ldap_get_entries)
{
        zval *link, *result;
        LDAPMessage *ldap_result, *ldap_result_entry;
        zval *tmp1, *tmp2;
        ldap_linkdata *ld;
        LDAP *ldap;
        int num_entries, num_attrib, num_values, i;
        BerElement *ber;
        char *attribute;
        size_t attr_len;
        struct berval **ldap_value;
        char *dn;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &link, &result) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(ldap_result, LDAPMessage *, &result, -1, "ldap result", le_result);

        ldap = ld->link;
        num_entries = ldap_count_entries(ldap, ldap_result);

        array_init(return_value);
        add_assoc_long(return_value, "count", num_entries);

        if (num_entries == 0) {
                return;
        }
        
        ldap_result_entry = ldap_first_entry(ldap, ldap_result);
        if (ldap_result_entry == NULL) {
                zval_dtor(return_value);
                RETURN_FALSE;
        }

        num_entries = 0;
        while (ldap_result_entry != NULL) {
                MAKE_STD_ZVAL(tmp1);
                array_init(tmp1);

                num_attrib = 0;
                attribute = ldap_first_attribute(ldap, ldap_result_entry, &ber);

                while (attribute != NULL) {
                        ldap_value = ldap_get_values_len(ldap, ldap_result_entry, attribute);
                        num_values = ldap_count_values_len(ldap_value);

                        MAKE_STD_ZVAL(tmp2);
                        array_init(tmp2);
                        add_assoc_long(tmp2, "count", num_values);
                        for (i = 0; i < num_values; i++) {
                                add_index_stringl(tmp2, i, ldap_value[i]->bv_val, ldap_value[i]->bv_len, 1);
                        }       
                        ldap_value_free_len(ldap_value);

                        attr_len = strlen(attribute);
                        zend_hash_update(Z_ARRVAL_P(tmp1), php_strtolower(attribute, attr_len), attr_len+1, (void *) &tmp2, sizeof(zval *), NULL);
                        add_index_string(tmp1, num_attrib, attribute, 1);

                        num_attrib++;
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                        ldap_memfree(attribute);
#endif
                        attribute = ldap_next_attribute(ldap, ldap_result_entry, ber);
                }
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                if (ber != NULL) {
                        ber_free(ber, 0);
                }
#endif

                add_assoc_long(tmp1, "count", num_attrib);
                dn = ldap_get_dn(ldap, ldap_result_entry);
                add_assoc_string(tmp1, "dn", dn, 1);
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                ldap_memfree(dn);
#else
                free(dn);
#endif

                zend_hash_index_update(Z_ARRVAL_P(return_value), num_entries, (void *) &tmp1, sizeof(zval *), NULL);
                
                num_entries++;
                ldap_result_entry = ldap_next_entry(ldap, ldap_result_entry);
        }

        add_assoc_long(return_value, "count", num_entries);

}
/* }}} */

/* {{{ proto string ldap_first_attribute(resource link, resource result_entry)
   Return first attribute */
PHP_FUNCTION(ldap_first_attribute)
{
        zval *link, *result_entry;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry;
        char *attribute;
        long dummy_ber;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr|l", &link, &result_entry, &dummy_ber) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(resultentry, ldap_resultentry *, &result_entry, -1, "ldap result entry", le_result_entry);

        if ((attribute = ldap_first_attribute(ld->link, resultentry->data, &resultentry->ber)) == NULL) {
                RETURN_FALSE;
        } else {
                RETVAL_STRING(attribute, 1);
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                ldap_memfree(attribute);
#endif
        }
}
/* }}} */

/* {{{ proto string ldap_next_attribute(resource link, resource result_entry)
   Get the next attribute in result */
PHP_FUNCTION(ldap_next_attribute)
{
        zval *link, *result_entry;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry;
        char *attribute;
        long dummy_ber;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr|l", &link, &result_entry, &dummy_ber) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(resultentry, ldap_resultentry *, &result_entry, -1, "ldap result entry", le_result_entry);

        if (resultentry->ber == NULL) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "called before calling ldap_first_attribute() or no attributes found in result entry");
                RETURN_FALSE;
        }

        if ((attribute = ldap_next_attribute(ld->link, resultentry->data, resultentry->ber)) == NULL) {
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                if (resultentry->ber != NULL) {
                        ber_free(resultentry->ber, 0);
                        resultentry->ber = NULL;
                }
#endif
                RETURN_FALSE;
        } else {
                RETVAL_STRING(attribute, 1);
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                ldap_memfree(attribute);
#endif
        }
}
/* }}} */

/* {{{ proto array ldap_get_attributes(resource link, resource result_entry)
   Get attributes from a search result entry */
PHP_FUNCTION(ldap_get_attributes)
{
        zval *link, *result_entry;
        zval *tmp;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry;
        char *attribute;
        struct berval **ldap_value;
        int i, num_values, num_attrib;
        BerElement *ber;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &link, &result_entry) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(resultentry, ldap_resultentry *, &result_entry, -1, "ldap result entry", le_result_entry);

        array_init(return_value);
        num_attrib = 0;
        
        attribute = ldap_first_attribute(ld->link, resultentry->data, &ber);
        while (attribute != NULL) {
                ldap_value = ldap_get_values_len(ld->link, resultentry->data, attribute);
                num_values = ldap_count_values_len(ldap_value);

                MAKE_STD_ZVAL(tmp);
                array_init(tmp);
                add_assoc_long(tmp, "count", num_values);
                for (i = 0; i < num_values; i++) {
                        add_index_stringl(tmp, i, ldap_value[i]->bv_val, ldap_value[i]->bv_len, 1);
                }
                ldap_value_free_len(ldap_value);

                zend_hash_update(Z_ARRVAL_P(return_value), attribute, strlen(attribute)+1, (void *) &tmp, sizeof(zval *), NULL);
                add_index_string(return_value, num_attrib, attribute, 1);

                num_attrib++;
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                ldap_memfree(attribute);
#endif
                attribute = ldap_next_attribute(ld->link, resultentry->data, ber);
        }
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
        if (ber != NULL) {
                ber_free(ber, 0);
        }
#endif
        
        add_assoc_long(return_value, "count", num_attrib);
}
/* }}} */

/* {{{ proto array ldap_get_values_len(resource link, resource result_entry, string attribute)
   Get all values with lengths from a result entry */
PHP_FUNCTION(ldap_get_values_len)
{
        zval *link, *result_entry;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry;
        char *attr;
        struct berval **ldap_value_len;
        int i, num_values, attr_len;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrs", &link, &result_entry, &attr, &attr_len) != SUCCESS) {
                return;
        }
        
        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(resultentry, ldap_resultentry *, &result_entry, -1, "ldap result entry", le_result_entry);

        if ((ldap_value_len = ldap_get_values_len(ld->link, resultentry->data, attr)) == NULL) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot get the value(s) of attribute %s", ldap_err2string(_get_lderrno(ld->link)));
                RETURN_FALSE;
        }
        
        num_values = ldap_count_values_len(ldap_value_len);
        array_init(return_value);
        
        for (i=0; i<num_values; i++) {
                add_next_index_stringl(return_value, ldap_value_len[i]->bv_val, ldap_value_len[i]->bv_len, 1);
        }
        
        add_assoc_long(return_value, "count", num_values);
        ldap_value_free_len(ldap_value_len);

}
/* }}} */

/* {{{ proto string ldap_get_dn(resource link, resource result_entry)
   Get the DN of a result entry */
PHP_FUNCTION(ldap_get_dn) 
{
        zval *link, *result_entry;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry;
        char *text;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &link, &result_entry) != SUCCESS) {
                return;
        }
        
        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(resultentry, ldap_resultentry *, &result_entry, -1, "ldap result entry", le_result_entry);

        text = ldap_get_dn(ld->link, resultentry->data);
        if (text != NULL) {
                RETVAL_STRING(text, 1);
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                ldap_memfree(text);
#else
                free(text);
#endif
        } else {
                RETURN_FALSE;
        }
}
/* }}} */

/* {{{ proto array ldap_explode_dn(string dn, int with_attrib)
   Splits DN into its component parts */
PHP_FUNCTION(ldap_explode_dn)
{
        long with_attrib;
        char *dn, **ldap_value;
        int i, count, dn_len;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl", &dn, &dn_len, &with_attrib) != SUCCESS) {
                return;
        }

        if (!(ldap_value = ldap_explode_dn(dn, with_attrib))) {
                /* Invalid parameters were passed to ldap_explode_dn */
                RETURN_FALSE;
        }

        i=0;
        while (ldap_value[i] != NULL) i++;
        count = i;

        array_init(return_value);

        add_assoc_long(return_value, "count", count);
        for (i = 0; i<count; i++) {
                add_index_string(return_value, i, ldap_value[i], 1);
        }

        ldap_value_free(ldap_value);
}
/* }}} */

/* {{{ proto string ldap_dn2ufn(string dn)
   Convert DN to User Friendly Naming format */
PHP_FUNCTION(ldap_dn2ufn)
{
        char *dn, *ufn;
        int dn_len;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &dn, &dn_len) != SUCCESS) {
                return;
        }
        
        ufn = ldap_dn2ufn(dn);
        
        if (ufn != NULL) {
                RETVAL_STRING(ufn, 1);
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP || WINDOWS
                ldap_memfree(ufn);
#endif
        } else {
                RETURN_FALSE;
        }
}
/* }}} */


/* added to fix use of ldap_modify_add for doing an ldap_add, gerrit thomson. */
#define PHP_LD_FULL_ADD 0xff
/* {{{ php_ldap_do_modify
 */
static void php_ldap_do_modify(INTERNAL_FUNCTION_PARAMETERS, int oper)
{
        zval *link, *entry, **value, **ivalue;
        ldap_linkdata *ld;
        char *dn;
        LDAPMod **ldap_mods;
        int i, j, num_attribs, num_values, dn_len;
        int *num_berval;
        char *attribute;
        ulong index;
        int is_full_add=0; /* flag for full add operation so ldap_mod_add can be put back into oper, gerrit THomson */

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsa", &link, &dn, &dn_len, &entry) != SUCCESS) {
                return;
        }       

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        num_attribs = zend_hash_num_elements(Z_ARRVAL_P(entry));
        ldap_mods = safe_emalloc((num_attribs+1), sizeof(LDAPMod *), 0);
        num_berval = safe_emalloc(num_attribs, sizeof(int), 0);
        zend_hash_internal_pointer_reset(Z_ARRVAL_P(entry));

        /* added by gerrit thomson to fix ldap_add using ldap_mod_add */
        if (oper == PHP_LD_FULL_ADD) {
                oper = LDAP_MOD_ADD;
                is_full_add = 1;
        }
        /* end additional , gerrit thomson */

        for (i = 0; i < num_attribs; i++) {
                ldap_mods[i] = emalloc(sizeof(LDAPMod));
                ldap_mods[i]->mod_op = oper | LDAP_MOD_BVALUES;
                ldap_mods[i]->mod_type = NULL;

                if (zend_hash_get_current_key(Z_ARRVAL_P(entry), &attribute, &index, 0) == HASH_KEY_IS_STRING) {
                        ldap_mods[i]->mod_type = estrdup(attribute);
                } else {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown attribute in the data");
                        /* Free allocated memory */
                        while (i >= 0) {
                                if (ldap_mods[i]->mod_type) {
                                        efree(ldap_mods[i]->mod_type);
                                }
                                efree(ldap_mods[i]);
                                i--;
                        }
                        efree(num_berval);
                        efree(ldap_mods);       
                        RETURN_FALSE;
                }

                zend_hash_get_current_data(Z_ARRVAL_P(entry), (void **)&value);

                if (Z_TYPE_PP(value) != IS_ARRAY) {
                        num_values = 1;
                } else {
                        num_values = zend_hash_num_elements(Z_ARRVAL_PP(value));
                }
                
                num_berval[i] = num_values;
                ldap_mods[i]->mod_bvalues = safe_emalloc((num_values + 1), sizeof(struct berval *), 0);

/* allow for arrays with one element, no allowance for arrays with none but probably not required, gerrit thomson. */
                if ((num_values == 1) && (Z_TYPE_PP(value) != IS_ARRAY)) {
                        convert_to_string_ex(value);
                        ldap_mods[i]->mod_bvalues[0] = (struct berval *) emalloc (sizeof(struct berval));
                        ldap_mods[i]->mod_bvalues[0]->bv_len = Z_STRLEN_PP(value);
                        ldap_mods[i]->mod_bvalues[0]->bv_val = Z_STRVAL_PP(value);
                } else {        
                        for (j = 0; j < num_values; j++) {
                                if (zend_hash_index_find(Z_ARRVAL_PP(value), j, (void **) &ivalue) != SUCCESS) {
                                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value array must have consecutive indices 0, 1, ...");
                                        num_berval[i] = j;
                                        num_attribs = i + 1;
                                        RETVAL_FALSE;
                                        goto errexit;
                                }
                                convert_to_string_ex(ivalue);
                                ldap_mods[i]->mod_bvalues[j] = (struct berval *) emalloc (sizeof(struct berval));
                                ldap_mods[i]->mod_bvalues[j]->bv_len = Z_STRLEN_PP(ivalue);
                                ldap_mods[i]->mod_bvalues[j]->bv_val = Z_STRVAL_PP(ivalue);
                        }
                }
                ldap_mods[i]->mod_bvalues[num_values] = NULL;
                zend_hash_move_forward(Z_ARRVAL_P(entry));
        }
        ldap_mods[num_attribs] = NULL;

/* check flag to see if do_mod was called to perform full add , gerrit thomson */
        if (is_full_add == 1) {
                if ((i = ldap_add_s(ld->link, dn, ldap_mods)) != LDAP_SUCCESS) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Add: %s", ldap_err2string(i));
                        RETVAL_FALSE;
                } else RETVAL_TRUE;
        } else {
                if ((i = ldap_modify_ext_s(ld->link, dn, ldap_mods, NULL, NULL)) != LDAP_SUCCESS) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Modify: %s", ldap_err2string(i));
                        RETVAL_FALSE;
                } else RETVAL_TRUE;     
        }

errexit:
        for (i = 0; i < num_attribs; i++) {
                efree(ldap_mods[i]->mod_type);
                for (j = 0; j < num_berval[i]; j++) {
                        efree(ldap_mods[i]->mod_bvalues[j]);
                }
                efree(ldap_mods[i]->mod_bvalues);
                efree(ldap_mods[i]);
        }
        efree(num_berval);
        efree(ldap_mods);       

        return;
}
/* }}} */

/* {{{ proto bool ldap_add(resource link, string dn, array entry)
   Add entries to LDAP directory */
PHP_FUNCTION(ldap_add)
{
        /* use a newly define parameter into the do_modify so ldap_mod_add can be used the way it is supposed to be used , Gerrit THomson */
        php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_LD_FULL_ADD);
}
/* }}} */

/* three functions for attribute base modifications, gerrit Thomson */

/* {{{ proto bool ldap_mod_replace(resource link, string dn, array entry)
   Replace attribute values with new ones */
PHP_FUNCTION(ldap_mod_replace)
{
        php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_REPLACE);
}
/* }}} */

/* {{{ proto bool ldap_mod_add(resource link, string dn, array entry)
   Add attribute values to current */
PHP_FUNCTION(ldap_mod_add)
{
        php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_ADD);
}
/* }}} */

/* {{{ proto bool ldap_mod_del(resource link, string dn, array entry)
   Delete attribute values */
PHP_FUNCTION(ldap_mod_del)
{
        php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_DELETE);
}
/* }}} */

/* {{{ proto bool ldap_delete(resource link, string dn)
   Delete an entry from a directory */
PHP_FUNCTION(ldap_delete)
{
        zval *link;
        ldap_linkdata *ld;
        char *dn;
        int rc, dn_len;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &link, &dn, &dn_len) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        if ((rc = ldap_delete_s(ld->link, dn)) != LDAP_SUCCESS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Delete: %s", ldap_err2string(rc));
                RETURN_FALSE;
        }

        RETURN_TRUE;
}
/* }}} */

/* {{{ proto int ldap_errno(resource link)
   Get the current ldap error number */
PHP_FUNCTION(ldap_errno)
{
        zval *link;
        ldap_linkdata *ld;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &link) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        RETURN_LONG(_get_lderrno(ld->link));
}
/* }}} */

/* {{{ proto string ldap_err2str(int errno)
   Convert error number to error string */
PHP_FUNCTION(ldap_err2str)
{
        long perrno;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &perrno) != SUCCESS) {
                return;
        }

        RETURN_STRING(ldap_err2string(perrno), 1);
}
/* }}} */

/* {{{ proto string ldap_error(resource link)
   Get the current ldap error string */
PHP_FUNCTION(ldap_error) 
{
        zval *link;
        ldap_linkdata *ld;
        int ld_errno;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &link) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        ld_errno = _get_lderrno(ld->link);

        RETURN_STRING(ldap_err2string(ld_errno), 1);
}
/* }}} */

/* {{{ proto bool ldap_compare(resource link, string dn, string attr, string value)
   Determine if an entry has a specific value for one of its attributes */
PHP_FUNCTION(ldap_compare) 
{
        zval *link;
        char *dn, *attr, *value;
        int dn_len, attr_len, value_len;
        ldap_linkdata *ld;
        int errno;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsss", &link, &dn, &dn_len, &attr, &attr_len, &value, &value_len) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        errno = ldap_compare_s(ld->link, dn, attr, value);

        switch (errno) {
                case LDAP_COMPARE_TRUE:
                        RETURN_TRUE;
                        break;

                case LDAP_COMPARE_FALSE:
                        RETURN_FALSE;
                        break;
        }
        
        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Compare: %s", ldap_err2string(errno));
        RETURN_LONG(-1);
}
/* }}} */

/* {{{ proto bool ldap_sort(resource link, resource result, string sortfilter)
   Sort LDAP result entries */
PHP_FUNCTION(ldap_sort)
{
        zval *link, *result;
        ldap_linkdata *ld;
        char *sortfilter;
        int sflen;
        zend_rsrc_list_entry *le;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrs", &link, &result, &sortfilter, &sflen) != SUCCESS) {
                RETURN_FALSE;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        if (zend_hash_index_find(&EG(regular_list), Z_LVAL_P(result), (void **) &le) != SUCCESS || le->type != le_result) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Supplied resource is not a valid ldap result resource");
                RETURN_FALSE;
        }

        if (ldap_sort_entries(ld->link, (LDAPMessage **) &le->ptr, sflen ? sortfilter : NULL, strcmp) != LDAP_SUCCESS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", ldap_err2string(errno));
                RETURN_FALSE;
        }

        RETURN_TRUE;
}
/* }}} */

#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP
/* {{{ proto bool ldap_get_option(resource link, int option, mixed retval)
   Get the current value of various session-wide parameters */
PHP_FUNCTION(ldap_get_option) 
{
        zval *link, *retval;
        ldap_linkdata *ld;
        long option;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlz", &link, &option, &retval) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        switch (option) {
        /* options with int value */
        case LDAP_OPT_DEREF:
        case LDAP_OPT_SIZELIMIT:
        case LDAP_OPT_TIMELIMIT:
        case LDAP_OPT_PROTOCOL_VERSION:
        case LDAP_OPT_ERROR_NUMBER:
        case LDAP_OPT_REFERRALS:
#ifdef LDAP_OPT_RESTART
        case LDAP_OPT_RESTART:
#endif
                {
                        int val;

                        if (ldap_get_option(ld->link, option, &val)) {
                                RETURN_FALSE;
                        }
                        zval_dtor(retval);
                        ZVAL_LONG(retval, val);
                } break;
#ifdef LDAP_OPT_NETWORK_TIMEOUT
        case LDAP_OPT_NETWORK_TIMEOUT:
                {
                        struct timeval *timeout = NULL;

                        if (ldap_get_option(ld->link, LDAP_OPT_NETWORK_TIMEOUT, (void *) &timeout)) {
                                if (timeout) {
                                        ldap_memfree(timeout);
                                }
                                RETURN_FALSE;
                        }                   
                        if (!timeout) {
                                RETURN_FALSE;
                        }
                        zval_dtor(retval);
                        ZVAL_LONG(retval, timeout->tv_sec);
                        ldap_memfree(timeout);
                } break;
#elif defined(LDAP_X_OPT_CONNECT_TIMEOUT)
        case LDAP_X_OPT_CONNECT_TIMEOUT:
                {
                        int timeout;

                        if (ldap_get_option(ld->link, LDAP_X_OPT_CONNECT_TIMEOUT, &timeout)) {
                                RETURN_FALSE;
                        }                       
                        zval_dtor(retval);
                        ZVAL_LONG(retval, (timeout / 1000));
                } break;
#endif
        /* options with string value */
        case LDAP_OPT_ERROR_STRING:
#ifdef LDAP_OPT_HOST_NAME
        case LDAP_OPT_HOST_NAME:
#endif
#ifdef HAVE_LDAP_SASL
        case LDAP_OPT_X_SASL_MECH:   
        case LDAP_OPT_X_SASL_REALM:
        case LDAP_OPT_X_SASL_AUTHCID:
        case LDAP_OPT_X_SASL_AUTHZID:
#endif
#ifdef LDAP_OPT_MATCHED_DN
        case LDAP_OPT_MATCHED_DN:
#endif
                {
                        char *val = NULL;

                        if (ldap_get_option(ld->link, option, &val) || val == NULL || *val == '\0') {
                                if (val) {
                                        ldap_memfree(val);
                                }
                                RETURN_FALSE;
                        }
                        zval_dtor(retval);
                        ZVAL_STRING(retval, val, 1);
                        ldap_memfree(val);
                } break;
/* options not implemented
        case LDAP_OPT_SERVER_CONTROLS:
        case LDAP_OPT_CLIENT_CONTROLS:
        case LDAP_OPT_API_INFO:
        case LDAP_OPT_API_FEATURE_INFO:
*/
        default:
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool ldap_set_option(resource link, int option, mixed newval)
   Set the value of various session-wide parameters */
PHP_FUNCTION(ldap_set_option) 
{
        zval *link, **newval;
        ldap_linkdata *ld;
        LDAP *ldap;
        long option;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zlZ", &link, &option, &newval) != SUCCESS) {
                return;
        }

        if (Z_TYPE_P(link) == IS_NULL) {
                ldap = NULL;
        } else {
                ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
                ldap = ld->link;
        }

        switch (option) {
        /* options with int value */
        case LDAP_OPT_DEREF:
        case LDAP_OPT_SIZELIMIT:
        case LDAP_OPT_TIMELIMIT:
        case LDAP_OPT_PROTOCOL_VERSION:
        case LDAP_OPT_ERROR_NUMBER:
#ifdef LDAP_OPT_DEBUG_LEVEL
        case LDAP_OPT_DEBUG_LEVEL:
#endif
                {
                        int val;

                        convert_to_long_ex(newval);
                        val = Z_LVAL_PP(newval);
                        if (ldap_set_option(ldap, option, &val)) {
                                RETURN_FALSE;
                        }
                } break;
#ifdef LDAP_OPT_NETWORK_TIMEOUT
        case LDAP_OPT_NETWORK_TIMEOUT:
                {
                        struct timeval timeout;

                        convert_to_long_ex(newval);
                        timeout.tv_sec = Z_LVAL_PP(newval);
                        timeout.tv_usec = 0;
                        if (ldap_set_option(ldap, LDAP_OPT_NETWORK_TIMEOUT, (void *) &timeout)) {
                                RETURN_FALSE;
                        }                       
                } break;
#elif defined(LDAP_X_OPT_CONNECT_TIMEOUT)
        case LDAP_X_OPT_CONNECT_TIMEOUT:
                {
                        int timeout;

                        convert_to_long_ex(newval);
                        timeout = 1000 * Z_LVAL_PP(newval); /* Convert to milliseconds */
                        if (ldap_set_option(ldap, LDAP_X_OPT_CONNECT_TIMEOUT, &timeout)) {
                                RETURN_FALSE;
                        }                       
                } break;
#endif
                /* options with string value */
        case LDAP_OPT_ERROR_STRING:
#ifdef LDAP_OPT_HOST_NAME
        case LDAP_OPT_HOST_NAME:
#endif
#ifdef HAVE_LDAP_SASL
        case LDAP_OPT_X_SASL_MECH:   
        case LDAP_OPT_X_SASL_REALM:
        case LDAP_OPT_X_SASL_AUTHCID:
        case LDAP_OPT_X_SASL_AUTHZID:
#endif
#ifdef LDAP_OPT_MATCHED_DN
        case LDAP_OPT_MATCHED_DN:
#endif
                {
                        char *val;
                        convert_to_string_ex(newval);
                        val = Z_STRVAL_PP(newval);
                        if (ldap_set_option(ldap, option, val)) {
                                RETURN_FALSE;
                        }
                } break;
                /* options with boolean value */
        case LDAP_OPT_REFERRALS:
#ifdef LDAP_OPT_RESTART
        case LDAP_OPT_RESTART:
#endif
                {
                        void *val;
                        convert_to_boolean_ex(newval);
                        val = Z_LVAL_PP(newval)
                                ? LDAP_OPT_ON : LDAP_OPT_OFF;
                        if (ldap_set_option(ldap, option, val)) {
                                RETURN_FALSE;
                        }
                } break;
                /* options with control list value */
        case LDAP_OPT_SERVER_CONTROLS:
        case LDAP_OPT_CLIENT_CONTROLS:
                {
                        LDAPControl *ctrl, **ctrls, **ctrlp;
                        zval **ctrlval, **val;
                        int ncontrols;
                        char error=0;

                        if ((Z_TYPE_PP(newval) != IS_ARRAY) || !(ncontrols = zend_hash_num_elements(Z_ARRVAL_PP(newval)))) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Expected non-empty array value for this option");
                                RETURN_FALSE;
                        }
                        ctrls = safe_emalloc((1 + ncontrols), sizeof(*ctrls), 0);
                        *ctrls = NULL;
                        ctrlp = ctrls;
                        zend_hash_internal_pointer_reset(Z_ARRVAL_PP(newval));
                        while (zend_hash_get_current_data(Z_ARRVAL_PP(newval), (void**)&ctrlval) == SUCCESS) {
                                if (Z_TYPE_PP(ctrlval) != IS_ARRAY) {
                                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The array value must contain only arrays, where each array is a control");
                                        error = 1;
                                        break;
                                }
                                if (zend_hash_find(Z_ARRVAL_PP(ctrlval), "oid", sizeof("oid"), (void **) &val) != SUCCESS) {
                                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Control must have an oid key");
                                        error = 1;
                                        break;
                                }
                                ctrl = *ctrlp = emalloc(sizeof(**ctrlp));
                                convert_to_string_ex(val);
                                ctrl->ldctl_oid = Z_STRVAL_PP(val);
                                if (zend_hash_find(Z_ARRVAL_PP(ctrlval), "value", sizeof("value"), (void **) &val) == SUCCESS) {
                                        convert_to_string_ex(val);
                                        ctrl->ldctl_value.bv_val = Z_STRVAL_PP(val);
                                        ctrl->ldctl_value.bv_len = Z_STRLEN_PP(val);
                                } else {
                                        ctrl->ldctl_value.bv_val = NULL;
                                        ctrl->ldctl_value.bv_len = 0;
                                }
                                if (zend_hash_find(Z_ARRVAL_PP(ctrlval), "iscritical", sizeof("iscritical"), (void **) &val) == SUCCESS) {
                                        convert_to_boolean_ex(val);
                                        ctrl->ldctl_iscritical = Z_BVAL_PP(val);
                                } else {
                                        ctrl->ldctl_iscritical = 0;
                                }
                                
                                ++ctrlp;
                                *ctrlp = NULL;
                                zend_hash_move_forward(Z_ARRVAL_PP(newval));
                        }
                        if (!error) {
                                error = ldap_set_option(ldap, option, ctrls);
                        }
                        ctrlp = ctrls;
                        while (*ctrlp) {
                                efree(*ctrlp);
                                ctrlp++;
                        }
                        efree(ctrls);
                        if (error) {
                                RETURN_FALSE;
                        }
                } break;
        default:
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

#ifdef HAVE_LDAP_PARSE_RESULT
/* {{{ proto bool ldap_parse_result(resource link, resource result, int errcode, string matcheddn, string errmsg, array referrals)
   Extract information from result */
PHP_FUNCTION(ldap_parse_result) 
{
        zval *link, *result, *errcode, *matcheddn, *errmsg, *referrals;
        ldap_linkdata *ld;
        LDAPMessage *ldap_result;
        char **lreferrals, **refp;
        char *lmatcheddn, *lerrmsg;
        int rc, lerrcode, myargcount = ZEND_NUM_ARGS();

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrz|zzz", &link, &result, &errcode, &matcheddn, &errmsg, &referrals) != SUCCESS) {
                return; 
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(ldap_result, LDAPMessage *, &result, -1, "ldap result", le_result);

        rc = ldap_parse_result(ld->link, ldap_result, &lerrcode,
                                myargcount > 3 ? &lmatcheddn : NULL,
                                myargcount > 4 ? &lerrmsg : NULL,
                                myargcount > 5 ? &lreferrals : NULL,
                                NULL /* &serverctrls */,
                                0);
        if (rc != LDAP_SUCCESS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to parse result: %s", ldap_err2string(rc));
                RETURN_FALSE;
        }

        zval_dtor(errcode);
        ZVAL_LONG(errcode, lerrcode);

        /* Reverse -> fall through */
        switch (myargcount) {
                case 6:
                        zval_dtor(referrals);
                        array_init(referrals);
                        if (lreferrals != NULL) {
                                refp = lreferrals;
                                while (*refp) {
                                        add_next_index_string(referrals, *refp, 1);
                                        refp++;
                                }
                                ldap_value_free(lreferrals);
                        }
                case 5:
                        zval_dtor(errmsg);
                        if (lerrmsg == NULL) {
                                ZVAL_EMPTY_STRING(errmsg);
                        } else {
                                ZVAL_STRING(errmsg, lerrmsg, 1);
                                ldap_memfree(lerrmsg);
                        }
                case 4: 
                        zval_dtor(matcheddn);
                        if (lmatcheddn == NULL) {
                                ZVAL_EMPTY_STRING(matcheddn);
                        } else {
                                ZVAL_STRING(matcheddn, lmatcheddn, 1);
                                ldap_memfree(lmatcheddn);
                        }
        }
        RETURN_TRUE;
}
/* }}} */
#endif

/* {{{ proto resource ldap_first_reference(resource link, resource result)
   Return first reference */
PHP_FUNCTION(ldap_first_reference)
{
        zval *link, *result;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry;
        LDAPMessage *ldap_result, *entry;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &link, &result) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(ldap_result, LDAPMessage *, &result, -1, "ldap result", le_result);

        if ((entry = ldap_first_reference(ld->link, ldap_result)) == NULL) {
                RETVAL_FALSE;
        } else {
                resultentry = emalloc(sizeof(ldap_resultentry));
                ZEND_REGISTER_RESOURCE(return_value, resultentry, le_result_entry);
                resultentry->id = Z_LVAL_P(result);
                zend_list_addref(resultentry->id);
                resultentry->data = entry;
                resultentry->ber = NULL;
        }
}
/* }}} */

/* {{{ proto resource ldap_next_reference(resource link, resource reference_entry)
   Get next reference */
PHP_FUNCTION(ldap_next_reference)
{
        zval *link, *result_entry;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry, *resultentry_next;
        LDAPMessage *entry_next;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &link, &result_entry) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(resultentry, ldap_resultentry *, &result_entry, -1, "ldap result entry", le_result_entry);

        if ((entry_next = ldap_next_reference(ld->link, resultentry->data)) == NULL) {
                RETVAL_FALSE;
        } else {
                resultentry_next = emalloc(sizeof(ldap_resultentry));
                ZEND_REGISTER_RESOURCE(return_value, resultentry_next, le_result_entry);
                resultentry_next->id = resultentry->id;
                zend_list_addref(resultentry->id);
                resultentry_next->data = entry_next;
                resultentry_next->ber = NULL;
        }
}
/* }}} */

#ifdef HAVE_LDAP_PARSE_REFERENCE
/* {{{ proto bool ldap_parse_reference(resource link, resource reference_entry, array referrals)
   Extract information from reference entry */
PHP_FUNCTION(ldap_parse_reference)
{
        zval *link, *result_entry, *referrals;
        ldap_linkdata *ld;
        ldap_resultentry *resultentry;
        char **lreferrals, **refp;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrz", &link, &result_entry, &referrals) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(resultentry, ldap_resultentry *, &result_entry, -1, "ldap result entry", le_result_entry);

        if (ldap_parse_reference(ld->link, resultentry->data, &lreferrals, NULL /* &serverctrls */, 0) != LDAP_SUCCESS) {
                RETURN_FALSE;
        }

        zval_dtor(referrals);
        array_init(referrals);
        if (lreferrals != NULL) {
                refp = lreferrals;
                while (*refp) {
                        add_next_index_string(referrals, *refp, 1);
                        refp++;
                }
                ldap_value_free(lreferrals);
        }
        RETURN_TRUE;
}
/* }}} */
#endif

/* {{{ proto bool ldap_rename(resource link, string dn, string newrdn, string newparent, bool deleteoldrdn);
   Modify the name of an entry */
PHP_FUNCTION(ldap_rename)
{
        zval *link;
        ldap_linkdata *ld;
        int rc;
        char *dn, *newrdn, *newparent;
        int dn_len, newrdn_len, newparent_len;
        zend_bool deleteoldrdn;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsssb", &link, &dn, &dn_len, &newrdn, &newrdn_len, &newparent, &newparent_len, &deleteoldrdn) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        if (newparent_len == 0) {
                newparent = NULL;
        }

#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP
        rc = ldap_rename_s(ld->link, dn, newrdn, newparent, deleteoldrdn, NULL, NULL);
#else
        if (newparent_len != 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "You are using old LDAP API, newparent must be the empty string, can only modify RDN");
                RETURN_FALSE;
        }
/* could support old APIs but need check for ldap_modrdn2()/ldap_modrdn() */
        rc = ldap_modrdn2_s(ld->link, dn, newrdn, deleteoldrdn);
#endif

        if (rc == LDAP_SUCCESS) {
                RETURN_TRUE;
        }
        RETURN_FALSE;
}
/* }}} */

#ifdef HAVE_LDAP_START_TLS_S
/* {{{ proto bool ldap_start_tls(resource link)
   Start TLS */
PHP_FUNCTION(ldap_start_tls)
{
        zval *link;
        ldap_linkdata *ld;
        int rc, protocol = LDAP_VERSION3;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &link) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        if (((rc = ldap_set_option(ld->link, LDAP_OPT_PROTOCOL_VERSION, &protocol)) != LDAP_SUCCESS) ||
                ((rc = ldap_start_tls_s(ld->link, NULL, NULL)) != LDAP_SUCCESS)
        ) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING,"Unable to start TLS: %s", ldap_err2string(rc));
                RETURN_FALSE;
        } else {
                RETURN_TRUE;
        }
}
/* }}} */
#endif
#endif /* (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP */

#if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
/* {{{ _ldap_rebind_proc()
*/
int _ldap_rebind_proc(LDAP *ldap, const char *url, ber_tag_t req, ber_int_t msgid, void *params)
{
        ldap_linkdata *ld;
        int retval;
        zval *cb_url;
        zval **cb_args[2];
        zval *cb_retval;
        zval *cb_link = (zval *) params;
        TSRMLS_FETCH();

        ld = (ldap_linkdata *) zend_fetch_resource(&cb_link TSRMLS_CC, -1, "ldap link", NULL, 1, le_link);

        /* link exists and callback set? */
        if (ld == NULL || ld->rebindproc == NULL) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Link not found or no callback set");
                return LDAP_OTHER;
        }

        /* callback */
        MAKE_STD_ZVAL(cb_url);
        ZVAL_STRING(cb_url, estrdup(url), 0);
        cb_args[0] = &cb_link;
        cb_args[1] = &cb_url;
        if (call_user_function_ex(EG(function_table), NULL, ld->rebindproc, &cb_retval, 2, cb_args, 0, NULL TSRMLS_CC) == SUCCESS && cb_retval) {
                convert_to_long_ex(&cb_retval);
                retval = Z_LVAL_P(cb_retval);
                zval_ptr_dtor(&cb_retval);
        } else {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "rebind_proc PHP callback failed");
                retval = LDAP_OTHER;
        }
        zval_dtor(cb_url);
        FREE_ZVAL(cb_url);
        return retval;
}
/* }}} */

/* {{{ proto bool ldap_set_rebind_proc(resource link, string callback)
   Set a callback function to do re-binds on referral chasing. */
PHP_FUNCTION(ldap_set_rebind_proc)
{
        zval *link, *callback;
        ldap_linkdata *ld;
        char *callback_name;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rz", &link, &callback) != SUCCESS) {
                RETURN_FALSE;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);

        if (Z_TYPE_P(callback) == IS_STRING && Z_STRLEN_P(callback) == 0) {
                /* unregister rebind procedure */
                if (ld->rebindproc != NULL) {
                        zval_dtor(ld->rebindproc);
                        FREE_ZVAL(ld->rebindproc);
                        ld->rebindproc = NULL;
                        ldap_set_rebind_proc(ld->link, NULL, NULL);
                }
                RETURN_TRUE;
        }

        /* callable? */
        if (!zend_is_callable(callback, 0, &callback_name TSRMLS_CC)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Two arguments expected for '%s' to be a valid callback", callback_name);
                efree(callback_name);
                RETURN_FALSE;
        }
        efree(callback_name);

        /* register rebind procedure */
        if (ld->rebindproc == NULL) {
                ldap_set_rebind_proc(ld->link, _ldap_rebind_proc, (void *) link);
        } else {
                zval_dtor(ld->rebindproc);
        }

        ALLOC_ZVAL(ld->rebindproc);
        *ld->rebindproc = *callback;
        zval_copy_ctor(ld->rebindproc);
        RETURN_TRUE;
}
/* }}} */
#endif

#ifdef STR_TRANSLATION
/* {{{ php_ldap_do_translate
 */
static void php_ldap_do_translate(INTERNAL_FUNCTION_PARAMETERS, int way) 
{
        char *value;
        int result, ldap_len;
                
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &value, &value_len) != SUCCESS) {
                return;
        }

        if (value_len == 0) {
                RETURN_FALSE;
        }

        if (way == 1) {
                result = ldap_8859_to_t61(&value, &value_len, 0);
        } else {
                result = ldap_t61_to_8859(&value, &value_len, 0);
        }

        if (result == LDAP_SUCCESS) {
                RETVAL_STRINGL(value, value_len, 1);
                free(value);
        } else {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Conversion from iso-8859-1 to t61 failed: %s", ldap_err2string(result));
                RETVAL_FALSE;
        }
}
/* }}} */

/* {{{ proto string ldap_t61_to_8859(string value)
   Translate t61 characters to 8859 characters */
PHP_FUNCTION(ldap_t61_to_8859)
{
        php_ldap_do_translate(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */

/* {{{ proto string ldap_8859_to_t61(string value)
   Translate 8859 characters to t61 characters */
PHP_FUNCTION(ldap_8859_to_t61)
{
        php_ldap_do_translate(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */
#endif

#ifdef LDAP_CONTROL_PAGEDRESULTS
/* {{{ proto mixed ldap_control_paged_result(resource link, int pagesize [, bool iscritical [, string cookie]])
   Inject paged results control*/
PHP_FUNCTION(ldap_control_paged_result) 
{
        long pagesize;
        zend_bool iscritical;
        zval *link;
        char *cookie = NULL;
        int cookie_len = 0;
        struct berval lcookie = { 0, NULL };
        ldap_linkdata *ld;
        LDAP *ldap;
        BerElement *ber = NULL;
        LDAPControl     ctrl, *ctrlsp[2];
        int rc, myargcount = ZEND_NUM_ARGS();

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|bs", &link, &pagesize, &iscritical, &cookie, &cookie_len) != SUCCESS) {
                return;
        }

        if (Z_TYPE_P(link) == IS_NULL) {
                ldap = NULL;
        } else {
                ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
                ldap = ld->link;
        }

        ber = ber_alloc_t(LBER_USE_DER);
        if (ber == NULL) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to alloc BER encoding resources for paged results control");
                RETURN_FALSE;
        }

        ctrl.ldctl_iscritical = 0;

        switch (myargcount) {
                case 4:
                        lcookie.bv_val = cookie;
                        lcookie.bv_len = cookie_len;
                        /* fallthru */
                case 3:
                        ctrl.ldctl_iscritical = (int)iscritical;
                        /* fallthru */
        }

        if (ber_printf(ber, "{iO}", (int)pagesize, &lcookie) == LBER_ERROR) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to BER printf paged results control");
                RETVAL_FALSE;
                goto lcpr_error_out;
        }
        rc = ber_flatten2(ber, &ctrl.ldctl_value, 0);
        if (rc == LBER_ERROR) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to BER encode paged results control");
                RETVAL_FALSE;
                goto lcpr_error_out;
        }

        ctrl.ldctl_oid = LDAP_CONTROL_PAGEDRESULTS;

        if (ldap) {
                /* directly set the option */
                ctrlsp[0] = &ctrl;
                ctrlsp[1] = NULL;

                rc = ldap_set_option(ldap, LDAP_OPT_SERVER_CONTROLS, ctrlsp);
                if (rc != LDAP_SUCCESS) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to set paged results control: %s (%d)", ldap_err2string(rc), rc);
                        RETVAL_FALSE;
                        goto lcpr_error_out;
                }
                RETVAL_TRUE;
        } else {
                /* return a PHP control object */
                array_init(return_value);

                add_assoc_string(return_value, "oid", ctrl.ldctl_oid, 1);
                if (ctrl.ldctl_value.bv_len) {
                        add_assoc_stringl(return_value, "value", ctrl.ldctl_value.bv_val, ctrl.ldctl_value.bv_len, 1);
                }
                if (ctrl.ldctl_iscritical) {
                        add_assoc_bool(return_value, "iscritical", ctrl.ldctl_iscritical);
                }
        }

lcpr_error_out:
        if (ber != NULL) {
                ber_free(ber, 1);
        }
        return;
}
/* }}} */

/* {{{ proto bool ldap_control_paged_result_response(resource link, resource result [, string &cookie [, int &estimated]])
   Extract paged results control response */
PHP_FUNCTION(ldap_control_paged_result_response) 
{
        zval *link, *result, *cookie, *estimated;
        struct berval lcookie;
        int lestimated;
        ldap_linkdata *ld;
        LDAPMessage *ldap_result;
        LDAPControl **lserverctrls, *lctrl;
        BerElement *ber;
        ber_tag_t tag;
        int rc, lerrcode, myargcount = ZEND_NUM_ARGS();

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr|zz", &link, &result, &cookie, &estimated) != SUCCESS) {
                return;
        }

        ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
        ZEND_FETCH_RESOURCE(ldap_result, LDAPMessage *, &result, -1, "ldap result", le_result);

        rc = ldap_parse_result(ld->link,
                                ldap_result,
                                &lerrcode,
                                NULL,           /* matcheddn */
                                NULL,           /* errmsg */
                                NULL,           /* referrals */
                                &lserverctrls,
                                0);

        if (rc != LDAP_SUCCESS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to parse result: %s (%d)", ldap_err2string(rc), rc);
                RETURN_FALSE;
        }

        if (lerrcode != LDAP_SUCCESS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Result is: %s (%d)", ldap_err2string(lerrcode), lerrcode);
                RETURN_FALSE;
        }

        if (lserverctrls == NULL) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No server controls in result");
                RETURN_FALSE;
        }

        lctrl = ldap_find_control(LDAP_CONTROL_PAGEDRESULTS, lserverctrls);
        if (lctrl == NULL) {
                ldap_controls_free(lserverctrls);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No paged results control response in result");
                RETURN_FALSE;
        }

        ber = ber_init(&lctrl->ldctl_value);
        if (ber == NULL) {
                ldap_controls_free(lserverctrls);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to alloc BER decoding resources for paged results control response");
                RETURN_FALSE;
        }

        tag = ber_scanf(ber, "{io}", &lestimated, &lcookie);
        (void)ber_free(ber, 1);

        if (tag == LBER_ERROR) {
                ldap_controls_free(lserverctrls);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to decode paged results control response");
                RETURN_FALSE;
        }

        if (lestimated < 0) {
                ldap_controls_free(lserverctrls);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid paged results control response value");
                RETURN_FALSE;
        }

        ldap_controls_free(lserverctrls);
        if (myargcount == 4) {
                zval_dtor(estimated);
                ZVAL_LONG(estimated, lestimated);
        }

        zval_dtor(cookie);
        if (lcookie.bv_len == 0) {
                ZVAL_EMPTY_STRING(cookie);
        } else {
                ZVAL_STRINGL(cookie, lcookie.bv_val, lcookie.bv_len, 1);
        }
        ldap_memfree(lcookie.bv_val);

        RETURN_TRUE;
}
/* }}} */
#endif

/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_connect, 0, 0, 0)
        ZEND_ARG_INFO(0, hostname)
        ZEND_ARG_INFO(0, port)
#ifdef HAVE_ORALDAP
        ZEND_ARG_INFO(0, wallet)
        ZEND_ARG_INFO(0, wallet_passwd)
        ZEND_ARG_INFO(0, authmode)
#endif
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_resource, 0, 0, 1)
        ZEND_ARG_INFO(0, link_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_bind, 0, 0, 1)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, bind_rdn)
        ZEND_ARG_INFO(0, bind_password)
ZEND_END_ARG_INFO()

#ifdef HAVE_LDAP_SASL
ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_sasl_bind, 0, 0, 1)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, binddn)
        ZEND_ARG_INFO(0, password)
        ZEND_ARG_INFO(0, sasl_mech)
        ZEND_ARG_INFO(0, sasl_realm)
        ZEND_ARG_INFO(0, sasl_authz_id)
        ZEND_ARG_INFO(0, props)
ZEND_END_ARG_INFO()
#endif

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_read, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, base_dn)
        ZEND_ARG_INFO(0, filter)
        ZEND_ARG_INFO(0, attributes)
        ZEND_ARG_INFO(0, attrsonly)
        ZEND_ARG_INFO(0, sizelimit)
        ZEND_ARG_INFO(0, timelimit)
        ZEND_ARG_INFO(0, deref)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_list, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, base_dn)
        ZEND_ARG_INFO(0, filter)
        ZEND_ARG_INFO(0, attributes)
        ZEND_ARG_INFO(0, attrsonly)
        ZEND_ARG_INFO(0, sizelimit)
        ZEND_ARG_INFO(0, timelimit)
        ZEND_ARG_INFO(0, deref)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_search, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, base_dn)
        ZEND_ARG_INFO(0, filter)
        ZEND_ARG_INFO(0, attributes)
        ZEND_ARG_INFO(0, attrsonly)
        ZEND_ARG_INFO(0, sizelimit)
        ZEND_ARG_INFO(0, timelimit)
        ZEND_ARG_INFO(0, deref)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_count_entries, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_first_entry, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_next_entry, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_get_entries, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_first_attribute, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_entry_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_next_attribute, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_entry_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_get_attributes, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_entry_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_get_values, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_entry_identifier)
        ZEND_ARG_INFO(0, attribute)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_get_values_len, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_entry_identifier)
        ZEND_ARG_INFO(0, attribute)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_get_dn, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, result_entry_identifier)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_explode_dn, 0, 0, 2)
        ZEND_ARG_INFO(0, dn)
        ZEND_ARG_INFO(0, with_attrib)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_dn2ufn, 0, 0, 1)
        ZEND_ARG_INFO(0, dn)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_add, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, dn)
        ZEND_ARG_INFO(0, entry)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_delete, 0, 0, 2)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, dn)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_modify, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, dn)
        ZEND_ARG_INFO(0, entry)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_mod_add, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, dn)
        ZEND_ARG_INFO(0, entry)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_mod_replace, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, dn)
        ZEND_ARG_INFO(0, entry)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_mod_del, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, dn)
        ZEND_ARG_INFO(0, entry)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_err2str, 0, 0, 1)
        ZEND_ARG_INFO(0, errno)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_compare, 0, 0, 4)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, dn)
        ZEND_ARG_INFO(0, attribute)
        ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_sort, 0, 0, 3)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, result)
        ZEND_ARG_INFO(0, sortfilter)
ZEND_END_ARG_INFO()

#ifdef LDAP_CONTROL_PAGEDRESULTS
ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_control_paged_result, 0, 0, 2)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, pagesize)
        ZEND_ARG_INFO(0, iscritical)
        ZEND_ARG_INFO(0, cookie)
ZEND_END_ARG_INFO();

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_control_paged_result_response, 0, 0, 2)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, result)
        ZEND_ARG_INFO(1, cookie)
        ZEND_ARG_INFO(1, estimated)
ZEND_END_ARG_INFO();
#endif

#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP
ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_rename, 0, 0, 5)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, dn)
        ZEND_ARG_INFO(0, newrdn)
        ZEND_ARG_INFO(0, newparent)
        ZEND_ARG_INFO(0, deleteoldrdn)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_get_option, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, option)
        ZEND_ARG_INFO(1, retval)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_set_option, 0, 0, 3)
        ZEND_ARG_INFO(0, link_identifier)
        ZEND_ARG_INFO(0, option)
        ZEND_ARG_INFO(0, newval)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_first_reference, 0, 0, 2)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, result)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_next_reference, 0, 0, 2)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, entry)
ZEND_END_ARG_INFO()

#ifdef HAVE_LDAP_PARSE_REFERENCE
ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_parse_reference, 0, 0, 3)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, entry)
        ZEND_ARG_INFO(1, referrals)
ZEND_END_ARG_INFO()
#endif


#ifdef HAVE_LDAP_PARSE_RESULT
ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_parse_result, 0, 0, 3)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, result)
        ZEND_ARG_INFO(1, errcode)
        ZEND_ARG_INFO(1, matcheddn)
        ZEND_ARG_INFO(1, errmsg)
        ZEND_ARG_INFO(1, referrals)
ZEND_END_ARG_INFO()
#endif
#endif

#if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_set_rebind_proc, 0, 0, 2)
        ZEND_ARG_INFO(0, link)
        ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
#endif

#ifdef STR_TRANSLATION
ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_t61_to_8859, 0, 0, 1)
        ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_8859_to_t61, 0, 0, 1)
        ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
#endif
/* }}} */
        
/*
        This is just a small subset of the functionality provided by the LDAP library. All the 
        operations are synchronous. Referrals are not handled automatically.
*/
/* {{{ ldap_functions[]
 */
const zend_function_entry ldap_functions[] = {
        PHP_FE(ldap_connect,                                                            arginfo_ldap_connect)
        PHP_FALIAS(ldap_close,          ldap_unbind,                    arginfo_ldap_resource)
        PHP_FE(ldap_bind,                                                                       arginfo_ldap_bind)
#ifdef HAVE_LDAP_SASL
        PHP_FE(ldap_sasl_bind,                                                          arginfo_ldap_sasl_bind)
#endif
        PHP_FE(ldap_unbind,                                                                     arginfo_ldap_resource)
        PHP_FE(ldap_read,                                                                       arginfo_ldap_read)
        PHP_FE(ldap_list,                                                                       arginfo_ldap_list)
        PHP_FE(ldap_search,                                                                     arginfo_ldap_search)
        PHP_FE(ldap_free_result,                                                        arginfo_ldap_resource)
        PHP_FE(ldap_count_entries,                                                      arginfo_ldap_count_entries)
        PHP_FE(ldap_first_entry,                                                        arginfo_ldap_first_entry)
        PHP_FE(ldap_next_entry,                                                         arginfo_ldap_next_entry)
        PHP_FE(ldap_get_entries,                                                        arginfo_ldap_get_entries)
        PHP_FE(ldap_first_attribute,                                            arginfo_ldap_first_attribute)
        PHP_FE(ldap_next_attribute,                                                     arginfo_ldap_next_attribute)
        PHP_FE(ldap_get_attributes,                                                     arginfo_ldap_get_attributes)
        PHP_FALIAS(ldap_get_values,     ldap_get_values_len,    arginfo_ldap_get_values)
        PHP_FE(ldap_get_values_len,                                                     arginfo_ldap_get_values_len)
        PHP_FE(ldap_get_dn,                                                                     arginfo_ldap_get_dn)
        PHP_FE(ldap_explode_dn,                                                         arginfo_ldap_explode_dn)
        PHP_FE(ldap_dn2ufn,                                                                     arginfo_ldap_dn2ufn)
        PHP_FE(ldap_add,                                                                        arginfo_ldap_add)
        PHP_FE(ldap_delete,                                                                     arginfo_ldap_delete)
        PHP_FALIAS(ldap_modify,         ldap_mod_replace,               arginfo_ldap_modify)

/* additional functions for attribute based modifications, Gerrit Thomson */
        PHP_FE(ldap_mod_add,                                                            arginfo_ldap_mod_add)
        PHP_FE(ldap_mod_replace,                                                        arginfo_ldap_mod_replace)
        PHP_FE(ldap_mod_del,                                                            arginfo_ldap_mod_del)
/* end gjt mod */

        PHP_FE(ldap_errno,                                                                      arginfo_ldap_resource)
        PHP_FE(ldap_err2str,                                                            arginfo_ldap_err2str)
        PHP_FE(ldap_error,                                                                      arginfo_ldap_resource)
        PHP_FE(ldap_compare,                                                            arginfo_ldap_compare)
        PHP_FE(ldap_sort,                                                                       arginfo_ldap_sort)

#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP || HAVE_ORALDAP
        PHP_FE(ldap_rename,                                                                     arginfo_ldap_rename)
        PHP_FE(ldap_get_option,                                                         arginfo_ldap_get_option)
        PHP_FE(ldap_set_option,                                                         arginfo_ldap_set_option)
        PHP_FE(ldap_first_reference,                                            arginfo_ldap_first_reference)
        PHP_FE(ldap_next_reference,                                                     arginfo_ldap_next_reference)
#ifdef HAVE_LDAP_PARSE_REFERENCE
        PHP_FE(ldap_parse_reference,                                            arginfo_ldap_parse_reference)
#endif
#ifdef HAVE_LDAP_PARSE_RESULT
        PHP_FE(ldap_parse_result,                                                       arginfo_ldap_parse_result)
#endif
#ifdef HAVE_LDAP_START_TLS_S
        PHP_FE(ldap_start_tls,                                                          arginfo_ldap_resource)
#endif
#endif

#if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
        PHP_FE(ldap_set_rebind_proc,                                            arginfo_ldap_set_rebind_proc)
#endif

#ifdef STR_TRANSLATION
        PHP_FE(ldap_t61_to_8859,                                                        arginfo_ldap_t61_to_8859)
        PHP_FE(ldap_8859_to_t61,                                                        arginfo_ldap_8859_to_t61)
#endif

#ifdef LDAP_CONTROL_PAGEDRESULTS
        PHP_FE(ldap_control_paged_result,                                                       arginfo_ldap_control_paged_result)
        PHP_FE(ldap_control_paged_result_response,              arginfo_ldap_control_paged_result_response)
#endif
        PHP_FE_END
};
/* }}} */

zend_module_entry ldap_module_entry = { /* {{{ */
        STANDARD_MODULE_HEADER,
        "ldap", 
        ldap_functions, 
        PHP_MINIT(ldap), 
        PHP_MSHUTDOWN(ldap), 
        NULL, 
        NULL,
        PHP_MINFO(ldap), 
        NO_VERSION_YET,
        PHP_MODULE_GLOBALS(ldap),
        PHP_GINIT(ldap),
        NULL,
        NULL,
        STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */

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