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ldap.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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 |
| [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]> |
| Doug Goldstein <[email protected]> |
| Côme Chilliet <[email protected]> |
| PHP 4.0 updates: Zeev Suraski <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#include "php_ini.h"
#include "Zend/zend_attributes.h"
#include <stddef.h>
#include "ext/standard/dl.h"
#include "php_ldap.h"
#ifdef PHP_WIN32
#include <string.h>
#include "config.w32.h"
#undef strcasecmp
#undef strncasecmp
#define WINSOCK 1
#define __STDC__ 1
#endif
#include "ext/standard/info.h"
#ifdef HAVE_LDAP_SASL
#include <sasl/sasl.h>
#endif
#define PHP_LDAP_ESCAPE_FILTER 0x01
#define PHP_LDAP_ESCAPE_DN 0x02
#include "ldap_arginfo.h"
#if defined(LDAP_CONTROL_PAGEDRESULTS) && !defined(HAVE_LDAP_CONTROL_FIND)
LDAPControl *ldap_control_find( const char *oid, LDAPControl **ctrls, LDAPControl ***nextctrlp)
{
assert(nextctrlp == NULL);
return ldap_find_control(oid, ctrls);
}
#endif
#if !defined(LDAP_API_FEATURE_X_OPENLDAP)
void ldap_memvfree(void **v)
{
ldap_value_free((char **)v);
}
#endif
typedef struct {
LDAP *link;
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
zval rebindproc;
#endif
zend_object std;
} ldap_linkdata;
typedef struct {
LDAPMessage *result;
zend_object std;
} ldap_resultdata;
typedef struct {
LDAPMessage *data;
BerElement *ber;
zval res;
zend_object std;
} ldap_result_entry;
ZEND_DECLARE_MODULE_GLOBALS(ldap)
static PHP_GINIT_FUNCTION(ldap);
static zend_class_entry *ldap_link_ce, *ldap_result_ce, *ldap_result_entry_ce;
static zend_object_handlers ldap_link_object_handlers, ldap_result_object_handlers, ldap_result_entry_object_handlers;
#ifdef COMPILE_DL_LDAP
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(ldap)
#endif
static inline ldap_linkdata *ldap_link_from_obj(zend_object *obj) {
return (ldap_linkdata *)((char *)(obj) - XtOffsetOf(ldap_linkdata, std));
}
#define Z_LDAP_LINK_P(zv) ldap_link_from_obj(Z_OBJ_P(zv))
static zend_object *ldap_link_create_object(zend_class_entry *class_type) {
ldap_linkdata *intern = zend_object_alloc(sizeof(ldap_linkdata), class_type);
zend_object_std_init(&intern->std, class_type);
object_properties_init(&intern->std, class_type);
return &intern->std;
}
static zend_function *ldap_link_get_constructor(zend_object *object) {
zend_throw_error(NULL, "Cannot directly construct LDAP\\Connection, use ldap_connect() instead");
return NULL;
}
static void ldap_link_free(ldap_linkdata *ld)
{
/* We use ldap_destroy rather than ldap_unbind here, because ldap_unbind
* will skip the destructor entirely if a critical client control is set. */
ldap_destroy(ld->link);
ld->link = NULL;
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
zval_ptr_dtor(&ld->rebindproc);
#endif
LDAPG(num_links)--;
}
static void ldap_link_free_obj(zend_object *obj)
{
ldap_linkdata *ld = ldap_link_from_obj(obj);
if (ld->link) {
ldap_link_free(ld);
}
zend_object_std_dtor(&ld->std);
}
static inline ldap_resultdata *ldap_result_from_obj(zend_object *obj) {
return (ldap_resultdata *)((char *)(obj) - XtOffsetOf(ldap_resultdata, std));
}
#define Z_LDAP_RESULT_P(zv) ldap_result_from_obj(Z_OBJ_P(zv))
static zend_object *ldap_result_create_object(zend_class_entry *class_type) {
ldap_resultdata *intern = zend_object_alloc(sizeof(ldap_resultdata), class_type);
zend_object_std_init(&intern->std, class_type);
object_properties_init(&intern->std, class_type);
return &intern->std;
}
static zend_function *ldap_result_get_constructor(zend_object *object) {
zend_throw_error(NULL, "Cannot directly construct LDAP\\Result, use the dedicated functions instead");
return NULL;
}
static void ldap_result_free(ldap_resultdata *result)
{
ldap_msgfree(result->result);
result->result = NULL;
}
static void ldap_result_free_obj(zend_object *obj)
{
ldap_resultdata *result = ldap_result_from_obj(obj);
if (result->result) {
ldap_result_free(result);
}
zend_object_std_dtor(&result->std);
}
static inline ldap_result_entry *ldap_result_entry_from_obj(zend_object *obj) {
return (ldap_result_entry *)((char *)(obj) - XtOffsetOf(ldap_result_entry, std));
}
#define Z_LDAP_RESULT_ENTRY_P(zv) ldap_result_entry_from_obj(Z_OBJ_P(zv))
static zend_object *ldap_result_entry_create_object(zend_class_entry *class_type) {
ldap_result_entry *intern = zend_object_alloc(sizeof(ldap_result_entry), class_type);
zend_object_std_init(&intern->std, class_type);
object_properties_init(&intern->std, class_type);
return &intern->std;
}
static zend_function *ldap_result_entry_get_constructor(zend_object *obj) {
zend_throw_error(NULL, "Cannot directly construct LDAP\\ResultEntry, use the dedicated functions instead");
return NULL;
}
static void ldap_result_entry_free_obj(zend_object *obj)
{
ldap_result_entry *entry = ldap_result_entry_from_obj(obj);
if (entry->ber != NULL) {
ber_free(entry->ber, 0);
entry->ber = NULL;
}
zval_ptr_dtor(&entry->res);
zend_object_std_dtor(&entry->std);
}
#define VERIFY_LDAP_LINK_CONNECTED(ld) \
{ \
if (!ld->link) { \
zend_throw_error(NULL, "LDAP connection has already been closed"); \
RETURN_THROWS(); \
} \
}
#define VERIFY_LDAP_RESULT_OPEN(lr) \
{ \
if (!lr->result) { \
zend_throw_error(NULL, "LDAP result has already been closed"); \
RETURN_THROWS(); \
} \
}
/* {{{ Parse controls from and to arrays */
static void _php_ldap_control_to_array(LDAP *ld, LDAPControl* ctrl, zval* array, int request)
{
array_init(array);
add_assoc_string(array, "oid", ctrl->ldctl_oid);
if (request) {
/* iscritical field only makes sense in request controls (which may be obtained by ldap_get_option) */
add_assoc_bool(array, "iscritical", (ctrl->ldctl_iscritical != 0));
}
/* If it is a known oid, parse to values */
if (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_PASSWORDPOLICYRESPONSE) == 0) {
int expire = 0, grace = 0, rc;
LDAPPasswordPolicyError pperr;
zval value;
rc = ldap_parse_passwordpolicy_control(ld, ctrl, &expire, &grace, &pperr);
if ( rc == LDAP_SUCCESS ) {
array_init(&value);
add_assoc_long(&value, "expire", expire);
add_assoc_long(&value, "grace", grace);
if ( pperr != PP_noError ) {
add_assoc_long(&value, "error", pperr);
}
add_assoc_zval(array, "value", &value);
} else {
add_assoc_null(array, "value");
}
} else if (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_PAGEDRESULTS) == 0) {
int lestimated, rc;
struct berval lcookie = { 0L, NULL };
zval value;
if (ctrl->ldctl_value.bv_len) {
/* ldap_parse_pageresponse_control() allocates lcookie.bv_val */
rc = ldap_parse_pageresponse_control(ld, ctrl, &lestimated, &lcookie);
} else {
/* ldap_parse_pageresponse_control will crash if value is empty */
rc = -1;
}
if ( rc == LDAP_SUCCESS ) {
array_init(&value);
add_assoc_long(&value, "size", lestimated);
add_assoc_stringl(&value, "cookie", lcookie.bv_val, lcookie.bv_len);
add_assoc_zval(array, "value", &value);
} else {
add_assoc_null(array, "value");
}
if (lcookie.bv_val) {
ldap_memfree(lcookie.bv_val);
}
} else if ((strcmp(ctrl->ldctl_oid, LDAP_CONTROL_PRE_READ) == 0) || (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_POST_READ) == 0)) {
BerElement *ber;
struct berval bv;
ber = ber_init(&ctrl->ldctl_value);
if (ber == NULL) {
add_assoc_null(array, "value");
} else if (ber_scanf(ber, "{m{" /*}}*/, &bv) == LBER_ERROR) {
add_assoc_null(array, "value");
} else {
zval value;
array_init(&value);
add_assoc_stringl(&value, "dn", bv.bv_val, bv.bv_len);
while (ber_scanf(ber, "{m" /*}*/, &bv) != LBER_ERROR) {
int i;
BerVarray vals = NULL;
zval tmp;
if (ber_scanf(ber, "[W]", &vals) == LBER_ERROR || vals == NULL)
{
break;
}
array_init(&tmp);
for (i = 0; vals[i].bv_val != NULL; i++) {
add_next_index_stringl(&tmp, vals[i].bv_val, vals[i].bv_len);
}
add_assoc_zval(&value, bv.bv_val, &tmp);
ber_bvarray_free(vals);
}
add_assoc_zval(array, "value", &value);
}
if (ber != NULL) {
ber_free(ber, 1);
}
} else if (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_SORTRESPONSE) == 0) {
zval value;
int errcode, rc;
char* attribute;
if (ctrl->ldctl_value.bv_len) {
rc = ldap_parse_sortresponse_control(ld, ctrl, &errcode, &attribute);
} else {
rc = -1;
}
if ( rc == LDAP_SUCCESS ) {
array_init(&value);
add_assoc_long(&value, "errcode", errcode);
if (attribute) {
add_assoc_string(&value, "attribute", attribute);
ldap_memfree(attribute);
}
add_assoc_zval(array, "value", &value);
} else {
add_assoc_null(array, "value");
}
} else if (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_VLVRESPONSE) == 0) {
int target, count, errcode, rc;
struct berval *context;
zval value;
if (ctrl->ldctl_value.bv_len) {
rc = ldap_parse_vlvresponse_control(ld, ctrl, &target, &count, &context, &errcode);
} else {
rc = -1;
}
if ( rc == LDAP_SUCCESS ) {
array_init(&value);
add_assoc_long(&value, "target", target);
add_assoc_long(&value, "count", count);
add_assoc_long(&value, "errcode", errcode);
if (context) {
add_assoc_stringl(&value, "context", context->bv_val, context->bv_len);
}
add_assoc_zval(array, "value", &value);
ber_bvfree(context);
} else {
add_assoc_null(array, "value");
}
} else {
if (ctrl->ldctl_value.bv_len) {
add_assoc_stringl(array, "value", ctrl->ldctl_value.bv_val, ctrl->ldctl_value.bv_len);
} else {
add_assoc_null(array, "value");
}
}
}
static int _php_ldap_control_from_array(LDAP *ld, LDAPControl** ctrl, zval* array)
{
zval* val;
zend_string *control_oid;
int control_iscritical = 0, rc = LDAP_SUCCESS;
char** ldap_attrs = NULL;
LDAPSortKey** sort_keys = NULL;
zend_string *tmpstring = NULL, **tmpstrings1 = NULL, **tmpstrings2 = NULL;
size_t num_tmpstrings1 = 0, num_tmpstrings2 = 0;
if ((val = zend_hash_str_find(Z_ARRVAL_P(array), "oid", sizeof("oid") - 1)) == NULL) {
zend_value_error("%s(): Control must have an \"oid\" key", get_active_function_name());
return -1;
}
control_oid = zval_get_string(val);
if (EG(exception)) {
return -1;
}
if ((val = zend_hash_str_find(Z_ARRVAL_P(array), "iscritical", sizeof("iscritical") - 1)) != NULL) {
control_iscritical = zend_is_true(val);
} else {
control_iscritical = 0;
}
BerElement *ber = NULL;
struct berval control_value = { 0L, NULL };
int control_value_alloc = 0;
if ((val = zend_hash_find(Z_ARRVAL_P(array), ZSTR_KNOWN(ZEND_STR_VALUE))) != NULL) {
if (Z_TYPE_P(val) != IS_ARRAY) {
tmpstring = zval_get_string(val);
if (EG(exception)) {
rc = -1;
goto failure;
}
control_value.bv_val = ZSTR_VAL(tmpstring);
control_value.bv_len = ZSTR_LEN(tmpstring);
} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_PAGEDRESULTS) == 0) {
zval* tmp;
int pagesize = 1;
struct berval cookie = { 0L, NULL };
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "size", sizeof("size") - 1)) != NULL) {
pagesize = zval_get_long(tmp);
}
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "cookie", sizeof("cookie") - 1)) != NULL) {
tmpstring = zval_get_string(tmp);
if (EG(exception)) {
rc = -1;
goto failure;
}
cookie.bv_val = ZSTR_VAL(tmpstring);
cookie.bv_len = ZSTR_LEN(tmpstring);
}
/* ldap_create_page_control_value() allocates memory for control_value.bv_val */
control_value_alloc = 1;
rc = ldap_create_page_control_value(ld, pagesize, &cookie, &control_value);
if (rc != LDAP_SUCCESS) {
php_error_docref(NULL, E_WARNING, "Failed to create paged result control value: %s (%d)", ldap_err2string(rc), rc);
}
} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_ASSERT) == 0) {
zval* tmp;
zend_string* assert;
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "filter", sizeof("filter") - 1)) == NULL) {
rc = -1;
zend_value_error("%s(): Control must have a \"filter\" key", get_active_function_name());
} else {
assert = zval_get_string(tmp);
if (EG(exception)) {
rc = -1;
goto failure;
}
/* ldap_create_assertion_control_value does not reset ld_errno, we need to do it ourselves
See http://www.openldap.org/its/index.cgi/Incoming?id=8674 */
int success = LDAP_SUCCESS;
ldap_set_option(ld, LDAP_OPT_RESULT_CODE, &success);
/* ldap_create_assertion_control_value() allocates memory for control_value.bv_val */
control_value_alloc = 1;
rc = ldap_create_assertion_control_value(ld, ZSTR_VAL(assert), &control_value);
if (rc != LDAP_SUCCESS) {
php_error_docref(NULL, E_WARNING, "Failed to create assert control value: %s (%d)", ldap_err2string(rc), rc);
}
zend_string_release(assert);
}
} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_VALUESRETURNFILTER) == 0) {
zval* tmp;
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "filter", sizeof("filter") - 1)) == NULL) {
rc = -1;
zend_value_error("%s(): Control must have a \"filter\" key", get_active_function_name());
} else {
ber = ber_alloc_t(LBER_USE_DER);
if (ber == NULL) {
rc = -1;
php_error_docref(NULL, E_WARNING, "Failed to allocate control value");
} else {
tmpstring = zval_get_string(tmp);
if (EG(exception)) {
rc = -1;
goto failure;
}
if (ldap_put_vrFilter(ber, ZSTR_VAL(tmpstring)) == -1) {
rc = -1;
php_error_docref(NULL, E_WARNING, "Failed to create control value: Bad ValuesReturnFilter: %s", ZSTR_VAL(tmpstring));
} else if (ber_flatten2(ber, &control_value, control_value_alloc) == -1) {
rc = -1;
}
}
}
} else if ((strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_PRE_READ) == 0) || (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_POST_READ) == 0)) {
zval* tmp;
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "attrs", sizeof("attrs") - 1)) == NULL) {
rc = -1;
zend_value_error("%s(): Control must have an \"attrs\" key", get_active_function_name());
} else {
ber = ber_alloc_t(LBER_USE_DER);
if (ber == NULL) {
rc = -1;
php_error_docref(NULL, E_WARNING, "Failed to allocate control value");
} else {
int num_attribs, i;
zval* attr;
num_attribs = zend_hash_num_elements(Z_ARRVAL_P(tmp));
ldap_attrs = safe_emalloc((num_attribs+1), sizeof(char *), 0);
tmpstrings1 = safe_emalloc(num_attribs, sizeof(zend_string*), 0);
num_tmpstrings1 = 0;
for (i = 0; i<num_attribs; i++) {
if ((attr = zend_hash_index_find(Z_ARRVAL_P(tmp), i)) == NULL) {
rc = -1;
php_error_docref(NULL, E_WARNING, "Failed to encode attribute list");
goto failure;
}
tmpstrings1[num_tmpstrings1] = zval_get_string(attr);
if (EG(exception)) {
rc = -1;
goto failure;
}
ldap_attrs[i] = ZSTR_VAL(tmpstrings1[num_tmpstrings1]);
++num_tmpstrings1;
}
ldap_attrs[num_attribs] = NULL;
ber_init2( ber, NULL, LBER_USE_DER );
if (ber_printf(ber, "{v}", ldap_attrs) == -1) {
rc = -1;
php_error_docref(NULL, E_WARNING, "Failed to encode attribute list");
} else {
int err;
err = ber_flatten2(ber, &control_value, control_value_alloc);
if (err < 0) {
rc = -1;
php_error_docref(NULL, E_WARNING, "Failed to encode control value (%d)", err);
}
}
}
}
} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_SORTREQUEST) == 0) {
int num_keys, i;
zval *sortkey, *tmp;
num_keys = zend_hash_num_elements(Z_ARRVAL_P(val));
sort_keys = safe_emalloc((num_keys+1), sizeof(LDAPSortKey*), 0);
tmpstrings1 = safe_emalloc(num_keys, sizeof(zend_string*), 0);
tmpstrings2 = safe_emalloc(num_keys, sizeof(zend_string*), 0);
num_tmpstrings1 = 0;
num_tmpstrings2 = 0;
for (i = 0; i<num_keys; i++) {
if ((sortkey = zend_hash_index_find(Z_ARRVAL_P(val), i)) == NULL) {
rc = -1;
php_error_docref(NULL, E_WARNING, "Failed to encode sort keys list");
goto failure;
}
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(sortkey), "attr", sizeof("attr") - 1)) == NULL) {
rc = -1;
zend_value_error("%s(): Sort key list must have an \"attr\" key", get_active_function_name());
goto failure;
}
sort_keys[i] = emalloc(sizeof(LDAPSortKey));
tmpstrings1[num_tmpstrings1] = zval_get_string(tmp);
if (EG(exception)) {
rc = -1;
goto failure;
}
sort_keys[i]->attributeType = ZSTR_VAL(tmpstrings1[num_tmpstrings1]);
++num_tmpstrings1;
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(sortkey), "oid", sizeof("oid") - 1)) != NULL) {
tmpstrings2[num_tmpstrings2] = zval_get_string(tmp);
if (EG(exception)) {
rc = -1;
goto failure;
}
sort_keys[i]->orderingRule = ZSTR_VAL(tmpstrings2[num_tmpstrings2]);
++num_tmpstrings2;
} else {
sort_keys[i]->orderingRule = NULL;
}
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(sortkey), "reverse", sizeof("reverse") - 1)) != NULL) {
sort_keys[i]->reverseOrder = zend_is_true(tmp);
} else {
sort_keys[i]->reverseOrder = 0;
}
}
sort_keys[num_keys] = NULL;
/* ldap_create_sort_control_value() allocates memory for control_value.bv_val */
control_value_alloc = 1;
rc = ldap_create_sort_control_value(ld, sort_keys, &control_value);
if (rc != LDAP_SUCCESS) {
php_error_docref(NULL, E_WARNING, "Failed to create sort control value: %s (%d)", ldap_err2string(rc), rc);
}
} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_VLVREQUEST) == 0) {
zval* tmp;
LDAPVLVInfo vlvInfo;
struct berval attrValue;
struct berval context;
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "before", sizeof("before") - 1)) != NULL) {
vlvInfo.ldvlv_before_count = zval_get_long(tmp);
} else {
rc = -1;
zend_value_error("%s(): Array value for VLV control must have a \"before\" key", get_active_function_name());
goto failure;
}
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "after", sizeof("after") - 1)) != NULL) {
vlvInfo.ldvlv_after_count = zval_get_long(tmp);
} else {
rc = -1;
zend_value_error("%s(): Array value for VLV control must have an \"after\" key", get_active_function_name());
goto failure;
}
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "attrvalue", sizeof("attrvalue") - 1)) != NULL) {
tmpstring = zval_get_string(tmp);
if (EG(exception)) {
rc = -1;
goto failure;
}
attrValue.bv_val = ZSTR_VAL(tmpstring);
attrValue.bv_len = ZSTR_LEN(tmpstring);
vlvInfo.ldvlv_attrvalue = &attrValue;
} else if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "offset", sizeof("offset") - 1)) != NULL) {
vlvInfo.ldvlv_attrvalue = NULL;
vlvInfo.ldvlv_offset = zval_get_long(tmp);
/* Find "count" key */
if ((tmp = zend_hash_find(Z_ARRVAL_P(val), ZSTR_KNOWN(ZEND_STR_COUNT))) != NULL) {
vlvInfo.ldvlv_count = zval_get_long(tmp);
} else {
rc = -1;
zend_value_error("%s(): Array value for VLV control must have a \"count\" key", get_active_function_name());
goto failure;
}
} else {
rc = -1;
zend_value_error("%s(): Array value for VLV control must have either an \"attrvalue\" or an \"offset\" key", get_active_function_name());
goto failure;
}
if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "context", sizeof("context") - 1)) != NULL) {
tmpstring = zval_get_string(tmp);
if (EG(exception)) {
rc = -1;
goto failure;
}
context.bv_val = ZSTR_VAL(tmpstring);
context.bv_len = ZSTR_LEN(tmpstring);
vlvInfo.ldvlv_context = &context;
} else {
vlvInfo.ldvlv_context = NULL;
}
/* ldap_create_vlv_control_value() allocates memory for control_value.bv_val */
control_value_alloc = 1;
rc = ldap_create_vlv_control_value(ld, &vlvInfo, &control_value);
if (rc != LDAP_SUCCESS) {
php_error_docref(NULL, E_WARNING, "Failed to create VLV control value: %s (%d)", ldap_err2string(rc), rc);
}
} else {
zend_type_error("%s(): Control OID %s cannot be of type array", get_active_function_name(), ZSTR_VAL(control_oid));
rc = -1;
}
}
if (rc == LDAP_SUCCESS) {
rc = ldap_control_create(ZSTR_VAL(control_oid), control_iscritical, &control_value, 1, ctrl);
}
failure:
zend_string_release(control_oid);
if (tmpstring != NULL) {
zend_string_release(tmpstring);
}
if (tmpstrings1 != NULL) {
int i;
for (i = 0; i < num_tmpstrings1; ++i) {
zend_string_release(tmpstrings1[i]);
}
efree(tmpstrings1);
}
if (tmpstrings2 != NULL) {
int i;
for (i = 0; i < num_tmpstrings2; ++i) {
zend_string_release(tmpstrings2[i]);
}
efree(tmpstrings2);
}
if (control_value.bv_val != NULL && control_value_alloc != 0) {
ber_memfree(control_value.bv_val);
}
if (ber != NULL) {
ber_free(ber, 1);
}
if (ldap_attrs != NULL) {
efree(ldap_attrs);
}
if (sort_keys != NULL) {
LDAPSortKey** sortp = sort_keys;
while (*sortp) {
efree(*sortp);
sortp++;
}
efree(sort_keys);
sort_keys = NULL;
}
if (rc == LDAP_SUCCESS) {
return LDAP_SUCCESS;
}
/* Failed */
*ctrl = NULL;
return -1;
}
static void _php_ldap_controls_to_array(LDAP *ld, LDAPControl** ctrls, zval* array, int request)
{
zval tmp1;
LDAPControl **ctrlp;
array = zend_try_array_init(array);
if (!array) {
return;
}
if (ctrls == NULL) {
return;
}
ctrlp = ctrls;
while (*ctrlp != NULL) {
_php_ldap_control_to_array(ld, *ctrlp, &tmp1, request);
add_assoc_zval(array, (*ctrlp)->ldctl_oid, &tmp1);
ctrlp++;
}
ldap_controls_free(ctrls);
}
static LDAPControl** _php_ldap_controls_from_array(LDAP *ld, zval* array, uint32_t arg_num)
{
int ncontrols;
LDAPControl** ctrlp, **ctrls = NULL;
zval* ctrlarray;
int error = 0;
ncontrols = zend_hash_num_elements(Z_ARRVAL_P(array));
ctrls = safe_emalloc((1 + ncontrols), sizeof(*ctrls), 0);
*ctrls = NULL;
ctrlp = ctrls;
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(array), ctrlarray) {
if (Z_TYPE_P(ctrlarray) != IS_ARRAY) {
zend_argument_type_error(arg_num, "must contain only arrays, where each array is a control");
error = 1;
break;
}
if (_php_ldap_control_from_array(ld, ctrlp, ctrlarray) == LDAP_SUCCESS) {
++ctrlp;
} else {
error = 1;
break;
}
*ctrlp = NULL;
} ZEND_HASH_FOREACH_END();
if (error) {
ctrlp = ctrls;
while (*ctrlp) {
ldap_control_free(*ctrlp);
ctrlp++;
}
efree(ctrls);
ctrls = NULL;
}
return ctrls;
}
static void _php_ldap_controls_free (LDAPControl*** ctrls)
{
LDAPControl **ctrlp;
if (*ctrls) {
ctrlp = *ctrls;
while (*ctrlp) {
ldap_control_free(*ctrlp);
ctrlp++;
}
efree(*ctrls);
*ctrls = NULL;
}
}
/* }}} */
/* {{{ 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)
{
#if defined(COMPILE_DL_LDAP) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
ldap_globals->num_links = 0;
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(ldap)
{
REGISTER_INI_ENTRIES();
ldap_link_ce = register_class_LDAP_Connection();
ldap_link_ce->create_object = ldap_link_create_object;
ldap_link_ce->default_object_handlers = &ldap_link_object_handlers;
memcpy(&ldap_link_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
ldap_link_object_handlers.offset = XtOffsetOf(ldap_linkdata, std);
ldap_link_object_handlers.free_obj = ldap_link_free_obj;
ldap_link_object_handlers.get_constructor = ldap_link_get_constructor;
ldap_link_object_handlers.clone_obj = NULL;
ldap_link_object_handlers.compare = zend_objects_not_comparable;
ldap_result_ce = register_class_LDAP_Result();
ldap_result_ce->create_object = ldap_result_create_object;
ldap_result_ce->default_object_handlers = &ldap_result_object_handlers;
memcpy(&ldap_result_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
ldap_result_object_handlers.offset = XtOffsetOf(ldap_resultdata, std);
ldap_result_object_handlers.free_obj = ldap_result_free_obj;
ldap_result_object_handlers.get_constructor = ldap_result_get_constructor;
ldap_result_object_handlers.clone_obj = NULL;
ldap_result_object_handlers.compare = zend_objects_not_comparable;
ldap_result_entry_ce = register_class_LDAP_ResultEntry();
ldap_result_entry_ce->create_object = ldap_result_entry_create_object;
ldap_result_entry_ce->default_object_handlers = &ldap_result_entry_object_handlers;
memcpy(&ldap_result_entry_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
ldap_result_entry_object_handlers.offset = XtOffsetOf(ldap_result_entry, std);
ldap_result_entry_object_handlers.free_obj = ldap_result_entry_free_obj;
ldap_result_entry_object_handlers.get_constructor = ldap_result_entry_get_constructor;
ldap_result_entry_object_handlers.clone_obj = NULL;
ldap_result_entry_object_handlers.compare = zend_objects_not_comparable;
register_ldap_symbols(module_number);
ldap_module_entry.type = 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];
php_info_print_table_start();
php_info_print_table_row(2, "LDAP Support", "enabled");
if (LDAPG(max_links) == -1) {
snprintf(tmp, 31, ZEND_LONG_FMT "/unlimited", LDAPG(num_links));
} else {
snprintf(tmp, 31, ZEND_LONG_FMT "/" ZEND_LONG_FMT, 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
#ifdef HAVE_LDAP_SASL
php_info_print_table_row(2, "SASL Support", "Enabled");
#endif
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ Connect to an LDAP server */
PHP_FUNCTION(ldap_connect)
{
char *host = NULL;
size_t hostlen = 0;
zend_long port = LDAP_PORT;
#ifdef HAVE_ORALDAP
char *wallet = NULL, *walletpasswd = NULL;
size_t walletlen = 0, walletpasswdlen = 0;
zend_long authmode = GSLC_SSL_NO_AUTH;
int ssl=0;
#endif
ldap_linkdata *ld;
LDAP *ldap = NULL;
if (ZEND_NUM_ARGS() > 2) {
zend_error(E_DEPRECATED, "Calling ldap_connect() with Oracle-specific arguments is deprecated, "
"use ldap_connect_wallet() instead");
} else if (ZEND_NUM_ARGS() == 2) {
zend_error(E_DEPRECATED, "Usage of ldap_connect with two arguments is deprecated");
}
#ifdef HAVE_ORALDAP
if (ZEND_NUM_ARGS() == 3 || ZEND_NUM_ARGS() == 4) {
WRONG_PARAM_COUNT;
}
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!lssl", &host, &hostlen, &port, &wallet, &walletlen, &walletpasswd, &walletpasswdlen, &authmode) != SUCCESS) {
RETURN_THROWS();
}
if (ZEND_NUM_ARGS() == 5) {
ssl = 1;
}
#else
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!l", &host, &hostlen, &port) != SUCCESS) {
RETURN_THROWS();
}
#endif
if (LDAPG(max_links) != -1 && LDAPG(num_links) >= LDAPG(max_links)) {
php_error_docref(NULL, E_WARNING, "Too many open links (" ZEND_LONG_FMT ")", LDAPG(num_links));
RETURN_FALSE;
}
object_init_ex(return_value, ldap_link_ce);
ld = Z_LDAP_LINK_P(return_value);
{
int rc = LDAP_SUCCESS;
char *url = host;
if (url && !ldap_is_ldap_url(url)) {
size_t urllen = hostlen + sizeof( "ldap://:65535" );
if (port <= 0 || port > 65535) {
zend_argument_value_error(2, "must be between 1 and 65535");
RETURN_THROWS();
}
url = emalloc(urllen);
snprintf( url, urllen, "ldap://%s:" ZEND_LONG_FMT, host, port );
}
#ifdef LDAP_API_FEATURE_X_OPENLDAP
/* ldap_init() is deprecated, use ldap_initialize() instead.
*/
rc = ldap_initialize(&ldap, url);
#else /* ! LDAP_API_FEATURE_X_OPENLDAP */
/* ldap_init does not support URLs.
* We must try the original host and port information.
*/
ldap = ldap_init(host, port);
if (ldap == NULL) {
zval_ptr_dtor(return_value);
php_error_docref(NULL, E_WARNING, "Could not create session handle");
RETURN_FALSE;
}
#endif /* ! LDAP_API_FEATURE_X_OPENLDAP */
if (url != host) {
efree(url);
}
if (rc != LDAP_SUCCESS) {
zval_ptr_dtor(return_value);
php_error_docref(NULL, E_WARNING, "Could not create session handle: %s", ldap_err2string(rc));
RETURN_FALSE;
}
}