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ldap.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2004 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 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_0.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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Amitay Isaacs <[email protected]> |
| Eric Warnke <[email protected]> |
| Rasmus Lerdorf <[email protected]> |
| Gerrit Thomson <[email protected]> |
| Jani Taskinen <[email protected]> |
| Stig Venaas <[email protected]> |
| PHP 4.0 updates: Zeev Suraski <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#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>
#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;
int id;
} ldap_resultentry;
ZEND_DECLARE_MODULE_GLOBALS(ldap)
static
ZEND_BEGIN_ARG_INFO(arg3to6of6_force_ref, 0)
ZEND_ARG_PASS_INFO(0)
ZEND_ARG_PASS_INFO(0)
ZEND_ARG_PASS_INFO(1)
ZEND_ARG_PASS_INFO(1)
ZEND_ARG_PASS_INFO(1)
ZEND_ARG_PASS_INFO(1)
ZEND_END_ARG_INFO();
static int le_link, le_result, le_result_entry, le_ber_entry;
/*
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[]
*/
function_entry ldap_functions[] = {
PHP_FE(ldap_connect, NULL)
PHP_FALIAS(ldap_close, ldap_unbind, NULL)
PHP_FE(ldap_bind, NULL)
#ifdef HAVE_LDAP_SASL
PHP_FE(ldap_sasl_bind, NULL)
#endif
PHP_FE(ldap_unbind, NULL)
PHP_FE(ldap_read, NULL)
PHP_FE(ldap_list, NULL)
PHP_FE(ldap_search, NULL)
PHP_FE(ldap_free_result, NULL)
PHP_FE(ldap_count_entries, NULL)
PHP_FE(ldap_first_entry, NULL)
PHP_FE(ldap_next_entry, NULL)
PHP_FE(ldap_get_entries, NULL)
PHP_FE(ldap_first_attribute, third_arg_force_ref)
PHP_FE(ldap_next_attribute, third_arg_force_ref)
PHP_FE(ldap_get_attributes, NULL)
PHP_FE(ldap_get_values, NULL)
PHP_FE(ldap_get_values_len, NULL)
PHP_FE(ldap_get_dn, NULL)
PHP_FE(ldap_explode_dn, NULL)
PHP_FE(ldap_dn2ufn, NULL)
PHP_FE(ldap_add, NULL)
PHP_FE(ldap_delete, NULL)
PHP_FALIAS(ldap_modify, ldap_mod_replace, NULL)
/* additional functions for attribute based modifications, Gerrit Thomson */
PHP_FE(ldap_mod_add, NULL)
PHP_FE(ldap_mod_replace, NULL)
PHP_FE(ldap_mod_del, NULL)
/* end gjt mod */
PHP_FE(ldap_errno, NULL)
PHP_FE(ldap_err2str, NULL)
PHP_FE(ldap_error, NULL)
PHP_FE(ldap_compare, NULL)
PHP_FE(ldap_sort, NULL)
#if (LDAP_API_VERSION > 2000) || HAVE_NSLDAP
PHP_FE(ldap_get_option, third_arg_force_ref)
PHP_FE(ldap_set_option, NULL)
PHP_FE(ldap_parse_result, arg3to6of6_force_ref)
PHP_FE(ldap_first_reference, NULL)
PHP_FE(ldap_next_reference, NULL)
#ifdef HAVE_LDAP_PARSE_REFERENCE
PHP_FE(ldap_parse_reference, third_arg_force_ref)
#endif
PHP_FE(ldap_rename, NULL)
#ifdef HAVE_LDAP_START_TLS_S
PHP_FE(ldap_start_tls, NULL)
#endif
#endif
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
PHP_FE(ldap_set_rebind_proc, NULL)
#endif
#ifdef STR_TRANSLATION
PHP_FE(ldap_t61_to_8859, NULL)
PHP_FE(ldap_8859_to_t61, NULL)
#endif
{NULL, NULL, NULL}
};
/* }}} */
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,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_LDAP
ZEND_GET_MODULE(ldap)
# ifdef PHP_WIN32
# include "zend_arg_defs.c"
# endif
#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;
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_ldap_init_globals
*/
static void php_ldap_init_globals(zend_ldap_globals *ldap_globals)
{
ldap_globals->num_links = 0;
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(ldap)
{
ZEND_INIT_MODULE_GLOBALS(ldap, php_ldap_init_globals, NULL);
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
/* 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);
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
REGISTER_LONG_CONSTANT("LDAP_OPT_HOST_NAME", LDAP_OPT_HOST_NAME, CONST_PERSISTENT | CONST_CS);
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_result = zend_register_list_destructors_ex(_free_ldap_result, NULL, "ldap result", module_number);
le_link = zend_register_list_destructors_ex(_close_ldap_link, NULL, "ldap link", module_number);
le_result_entry = zend_register_list_destructors_ex(_free_ldap_result_entry, NULL, "ldap result entry", module_number);
le_ber_entry = zend_register_list_destructors_ex(NULL, NULL, "ldap ber 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();
}
/* }}} */
/* {{{ proto resource ldap_connect([string host [, int port]])
Connect to an LDAP server */
PHP_FUNCTION(ldap_connect)
{
char *host = NULL;
int hostlen;
long port = 389; /* Default port */
#ifdef HAVE_ORALDAP
char *wallet, *walletpasswd;
int walletlen, walletpasswdlen;
long authmode;
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) == FAILURE) {
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() == 5) {
ssl = 1;
}
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sl", &host, &hostlen, &port) == FAILURE) {
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
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) == FAILURE) {
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 *binddn, char *pass, 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 = (binddn) ? ber_strdup(binddn) : NULL;
ctx->passwd = (pass) ? ber_strdup(pass) : 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_setdefs
*/
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_authz_id, string props])
Bind to LDAP directory using SASL */
PHP_FUNCTION(ldap_sasl_bind)
{
zval *link;
ldap_linkdata *ld;
char *binddn = NULL;
char *pass = NULL;
char *sasl_mech = NULL;
char *sasl_realm = NULL;
char *sasl_authz_id = NULL;
char *props = NULL;
int rc, dn_len, pass_len, mech_len, realm_len, authz_id_len, props_len;
php_ldap_bictx *ctx;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ssssss", &link, &binddn, &dn_len, &pass, &pass_len, &sasl_mech, &mech_len, &sasl_realm, &realm_len, &sasl_authz_id, &authz_id_len, &props, &props_len) == FAILURE) {
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE(ld, ldap_linkdata *, &link, -1, "ldap link", le_link);
ctx = _php_sasl_setdefs(ld->link, sasl_mech, sasl_realm, binddn, pass, 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) == FAILURE) {
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)
{
/* sizelimit */
if (sizelimit > -1) {
#if (LDAP_API_VERSION >= 2004) || HAVE_NSLDAP
ldap_set_option(ldap, LDAP_OPT_SIZELIMIT, &sizelimit);
#else
ldap->ld_sizelimit = sizelimit;
#endif
}
/* timelimit */
if (timelimit > -1) {
#if (LDAP_API_VERSION >= 2004) || HAVE_NSLDAP
ldap_set_option(ldap, LDAP_OPT_TIMELIMIT, &timelimit);
#else
ldap->ld_timelimit = timelimit;
#endif
}
/* deref */
if (deref > -1) {
#if (LDAP_API_VERSION >= 2004) || HAVE_NSLDAP
ldap_set_option(ldap, LDAP_OPT_DEREF, &deref);
#else
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, **attr, **attrsonly, **sizelimit, **timelimit, **deref;
char *ldap_base_dn = NULL;
char *ldap_filter = NULL;
char **ldap_attrs = NULL;
ldap_linkdata *ld;
LDAPMessage *ldap_res;
int ldap_attrsonly = 0;
int ldap_sizelimit = -1;
int ldap_timelimit = -1;
int ldap_deref = -1;
int num_attribs = 0;
int i, errno;
int myargcount = ZEND_NUM_ARGS();
if (myargcount < 3 || myargcount > 8 || zend_get_parameters_ex(myargcount, &link, &base_dn, &filter, &attrs, &attrsonly, &sizelimit, &timelimit, &deref) == FAILURE) {
WRONG_PARAM_COUNT;
}
/* Reverse -> fall through */
switch (myargcount) {
case 8 :
convert_to_long_ex(deref);
ldap_deref = Z_LVAL_PP(deref);
case 7 :
convert_to_long_ex(timelimit);
ldap_timelimit = Z_LVAL_PP(timelimit);
case 6 :
convert_to_long_ex(sizelimit);
ldap_sizelimit = Z_LVAL_PP(sizelimit);
case 5 :
convert_to_long_ex(attrsonly);
ldap_attrsonly = Z_LVAL_PP(attrsonly);
case 4 :
if (Z_TYPE_PP(attrs) != IS_ARRAY) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Expected Array as last element");
RETURN_FALSE;
}
num_attribs = zend_hash_num_elements(Z_ARRVAL_PP(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_PP(attrs), i, (void **) &attr) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Array initialization wrong");
efree(ldap_attrs);
RETURN_FALSE;
}
SEPARATE_ZVAL(attr);
convert_to_string_ex(attr);
ldap_attrs[i] = Z_STRVAL_PP(attr);
}
ldap_attrs[num_attribs] = NULL;
case 3 :
/* parallel search? */
if (Z_TYPE_PP(link) != IS_ARRAY) {
convert_to_string_ex(filter);
ldap_filter = Z_STRVAL_PP(filter);
convert_to_string_ex(base_dn);
ldap_base_dn = Z_STRVAL_PP(base_dn);
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
/* parallel search? */
if (Z_TYPE_PP(link) == IS_ARRAY) {
int i, nlinks, nbases, nfilters, *rcs;
ldap_linkdata **lds;
zval **entry, *resource;
nlinks = zend_hash_num_elements(Z_ARRVAL_PP(link));
if (nlinks == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "No links in link array");
if (ldap_attrs != NULL) {
efree(ldap_attrs);
}
RETURN_FALSE;
}
if (Z_TYPE_PP(base_dn) == IS_ARRAY) {
nbases = zend_hash_num_elements(Z_ARRVAL_PP(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");
if (ldap_attrs != NULL) {
efree(ldap_attrs);
}
RETURN_FALSE;
}
zend_hash_internal_pointer_reset(Z_ARRVAL_PP(base_dn));
} else {
nbases = 0; /* this means string, not array */
convert_to_string_ex(base_dn);
ldap_base_dn = Z_STRLEN_PP(base_dn) < 1 ? NULL : Z_STRVAL_PP(base_dn);
}
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");
if (ldap_attrs != NULL) {
efree(ldap_attrs);
}
RETURN_FALSE;
}
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_PP(link));
for (i=0; i<nlinks; i++) {
zend_hash_get_current_data(Z_ARRVAL_PP(link), (void **)&entry);
ld = (ldap_linkdata *) zend_fetch_resource(entry TSRMLS_CC, -1, "ldap link", NULL, 1, le_link);
if (ld == NULL) {
efree(lds);
efree(rcs);
if (ldap_attrs != NULL) {
efree(ldap_attrs);
}
RETURN_FALSE;
}
if (nbases != 0) { /* base_dn an array? */
zend_hash_get_current_data(Z_ARRVAL_PP(base_dn), (void **)&entry);
zend_hash_move_forward(Z_ARRVAL_PP(base_dn));
convert_to_string_ex(entry);
ldap_base_dn = Z_STRLEN_PP(entry) < 1 ? NULL : Z_STRVAL_PP(entry);
}
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);
/* 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_PP(link));
}
if (ldap_attrs != NULL) {
efree(ldap_attrs);
}
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);
}
}
efree(lds);
efree(rcs);
return;
}
/* fix to make null base_dn's work */
if (strlen(ldap_base_dn) < 1) {
ldap_base_dn = NULL;
}
ld = (ldap_linkdata *) zend_fetch_resource(link TSRMLS_CC, -1, "ldap link", NULL, 1, le_link);
if (ld == NULL) {
if (ldap_attrs != NULL) {
efree(ldap_attrs);
}
RETURN_FALSE;
}
php_set_opts(ld->link, ldap_sizelimit, ldap_timelimit, 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 (ldap_attrs != NULL) {
efree(ldap_attrs);
}
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));
RETVAL_FALSE;
} 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);
}
}
/* }}} */
/* {{{ proto resource ldap_read(resource 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 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 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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &result) == FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(ldap_result, LDAPMessage *, result, -1, "ldap result", le_result);
zend_list_delete(Z_LVAL_PP(result)); /* Delete list entry and call registered destructor function */
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_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &link, &result) == FAILURE) {
WRONG_PARAM_COUNT;
}
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_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &link, &result) == FAILURE) {
WRONG_PARAM_COUNT;
}
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_PP(result);
zend_list_addref(resultentry->id);
resultentry->data = entry;
}
}
/* }}} */
/* {{{ 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_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &link, &result_entry) == FAILURE) {
WRONG_PARAM_COUNT;
}
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));