xref: /PHP-8.3/ext/ldap/ldap.c (revision b3bd55f2)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | https://www.php.net/license/3_01.txt                                 |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Authors: Amitay Isaacs  <amitay@w-o-i.com>                           |
14    |          Eric Warnke    <ericw@albany.edu>                           |
15    |          Rasmus Lerdorf <rasmus@php.net>                             |
16    |          Gerrit Thomson <334647@swin.edu.au>                         |
17    |          Jani Taskinen  <sniper@iki.fi>                              |
18    |          Stig Venaas    <venaas@uninett.no>                          |
19    |          Doug Goldstein <cardoe@cardoe.com>                          |
20    |          Côme Chilliet  <mcmic@php.net>                              |
21    | PHP 4.0 updates:  Zeev Suraski <zeev@php.net>                        |
22    +----------------------------------------------------------------------+
23  */
24 
25 #ifdef HAVE_CONFIG_H
26 #include "config.h"
27 #endif
28 
29 #include "php.h"
30 #include "php_ini.h"
31 #include "Zend/zend_attributes.h"
32 
33 #include <stddef.h>
34 
35 #include "ext/standard/dl.h"
36 #include "php_ldap.h"
37 
38 #ifdef PHP_WIN32
39 #include <string.h>
40 #include "config.w32.h"
41 #undef WINDOWS
42 #undef strcasecmp
43 #undef strncasecmp
44 #define WINSOCK 1
45 #define __STDC__ 1
46 #endif
47 
48 #include "ext/standard/info.h"
49 
50 #ifdef HAVE_LDAP_SASL
51 #include <sasl/sasl.h>
52 #endif
53 
54 #define PHP_LDAP_ESCAPE_FILTER 0x01
55 #define PHP_LDAP_ESCAPE_DN     0x02
56 
57 #include "ldap_arginfo.h"
58 
59 #if defined(LDAP_CONTROL_PAGEDRESULTS) && !defined(HAVE_LDAP_CONTROL_FIND)
ldap_control_find(const char * oid,LDAPControl ** ctrls,LDAPControl *** nextctrlp)60 LDAPControl *ldap_control_find( const char *oid, LDAPControl **ctrls, LDAPControl ***nextctrlp)
61 {
62 	assert(nextctrlp == NULL);
63 	return ldap_find_control(oid, ctrls);
64 }
65 #endif
66 
67 #if !defined(LDAP_API_FEATURE_X_OPENLDAP)
ldap_memvfree(void ** v)68 void ldap_memvfree(void **v)
69 {
70 	ldap_value_free((char **)v);
71 }
72 #endif
73 
74 typedef struct {
75 	LDAP *link;
76 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
77 	zval rebindproc;
78 #endif
79 	zend_object std;
80 } ldap_linkdata;
81 
82 typedef struct {
83 	LDAPMessage *result;
84 	zend_object std;
85 } ldap_resultdata;
86 
87 typedef struct {
88 	LDAPMessage *data;
89 	BerElement  *ber;
90 	zval         res;
91 	zend_object std;
92 } ldap_result_entry;
93 
94 ZEND_DECLARE_MODULE_GLOBALS(ldap)
95 static PHP_GINIT_FUNCTION(ldap);
96 
97 static zend_class_entry *ldap_link_ce, *ldap_result_ce, *ldap_result_entry_ce;
98 static zend_object_handlers ldap_link_object_handlers, ldap_result_object_handlers, ldap_result_entry_object_handlers;
99 
100 #ifdef COMPILE_DL_LDAP
101 #ifdef ZTS
102 ZEND_TSRMLS_CACHE_DEFINE()
103 #endif
ZEND_GET_MODULE(ldap)104 ZEND_GET_MODULE(ldap)
105 #endif
106 
107 static inline ldap_linkdata *ldap_link_from_obj(zend_object *obj) {
108 	return (ldap_linkdata *)((char *)(obj) - XtOffsetOf(ldap_linkdata, std));
109 }
110 
111 #define Z_LDAP_LINK_P(zv) ldap_link_from_obj(Z_OBJ_P(zv))
112 
ldap_link_create_object(zend_class_entry * class_type)113 static zend_object *ldap_link_create_object(zend_class_entry *class_type) {
114 	ldap_linkdata *intern = zend_object_alloc(sizeof(ldap_linkdata), class_type);
115 
116 	zend_object_std_init(&intern->std, class_type);
117 	object_properties_init(&intern->std, class_type);
118 
119 	return &intern->std;
120 }
121 
ldap_link_get_constructor(zend_object * object)122 static zend_function *ldap_link_get_constructor(zend_object *object) {
123 	zend_throw_error(NULL, "Cannot directly construct LDAP\\Connection, use ldap_connect() instead");
124 	return NULL;
125 }
126 
ldap_link_free(ldap_linkdata * ld)127 static void ldap_link_free(ldap_linkdata *ld)
128 {
129 	/* We use ldap_destroy rather than ldap_unbind here, because ldap_unbind
130 	 * will skip the destructor entirely if a critical client control is set. */
131 	ldap_destroy(ld->link);
132 	ld->link = NULL;
133 
134 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
135 	zval_ptr_dtor(&ld->rebindproc);
136 #endif
137 
138 	LDAPG(num_links)--;
139 }
140 
ldap_link_free_obj(zend_object * obj)141 static void ldap_link_free_obj(zend_object *obj)
142 {
143 	ldap_linkdata *ld = ldap_link_from_obj(obj);
144 
145 	if (ld->link) {
146 		ldap_link_free(ld);
147 	}
148 
149 	zend_object_std_dtor(&ld->std);
150 }
151 
ldap_result_from_obj(zend_object * obj)152 static inline ldap_resultdata *ldap_result_from_obj(zend_object *obj) {
153 	return (ldap_resultdata *)((char *)(obj) - XtOffsetOf(ldap_resultdata, std));
154 }
155 
156 #define Z_LDAP_RESULT_P(zv) ldap_result_from_obj(Z_OBJ_P(zv))
157 
ldap_result_create_object(zend_class_entry * class_type)158 static zend_object *ldap_result_create_object(zend_class_entry *class_type) {
159 	ldap_resultdata *intern = zend_object_alloc(sizeof(ldap_resultdata), class_type);
160 
161 	zend_object_std_init(&intern->std, class_type);
162 	object_properties_init(&intern->std, class_type);
163 
164 	return &intern->std;
165 }
166 
ldap_result_get_constructor(zend_object * object)167 static zend_function *ldap_result_get_constructor(zend_object *object) {
168 	zend_throw_error(NULL, "Cannot directly construct LDAP\\Result, use the dedicated functions instead");
169 	return NULL;
170 }
171 
ldap_result_free(ldap_resultdata * result)172 static void ldap_result_free(ldap_resultdata *result)
173 {
174 	ldap_msgfree(result->result);
175 	result->result = NULL;
176 }
177 
ldap_result_free_obj(zend_object * obj)178 static void ldap_result_free_obj(zend_object *obj)
179 {
180 	ldap_resultdata *result = ldap_result_from_obj(obj);
181 
182 	if (result->result) {
183 		ldap_result_free(result);
184 	}
185 
186 	zend_object_std_dtor(&result->std);
187 }
188 
ldap_result_entry_from_obj(zend_object * obj)189 static inline ldap_result_entry *ldap_result_entry_from_obj(zend_object *obj) {
190 	return (ldap_result_entry *)((char *)(obj) - XtOffsetOf(ldap_result_entry, std));
191 }
192 
193 #define Z_LDAP_RESULT_ENTRY_P(zv) ldap_result_entry_from_obj(Z_OBJ_P(zv))
194 
ldap_result_entry_create_object(zend_class_entry * class_type)195 static zend_object *ldap_result_entry_create_object(zend_class_entry *class_type) {
196 	ldap_result_entry *intern = zend_object_alloc(sizeof(ldap_result_entry), class_type);
197 
198 	zend_object_std_init(&intern->std, class_type);
199 	object_properties_init(&intern->std, class_type);
200 
201 	return &intern->std;
202 }
203 
ldap_result_entry_get_constructor(zend_object * obj)204 static zend_function *ldap_result_entry_get_constructor(zend_object *obj) {
205 	zend_throw_error(NULL, "Cannot directly construct LDAP\\ResultEntry, use the dedicated functions instead");
206 	return NULL;
207 }
208 
ldap_result_entry_free_obj(zend_object * obj)209 static void ldap_result_entry_free_obj(zend_object *obj)
210 {
211 	ldap_result_entry *entry = ldap_result_entry_from_obj(obj);
212 
213 	if (entry->ber != NULL) {
214 		ber_free(entry->ber, 0);
215 		entry->ber = NULL;
216 	}
217 	zval_ptr_dtor(&entry->res);
218 
219 	zend_object_std_dtor(&entry->std);
220 }
221 
222 #define VERIFY_LDAP_LINK_CONNECTED(ld) \
223 { \
224 	if (!ld->link) { \
225 		zend_throw_error(NULL, "LDAP connection has already been closed"); \
226 		RETURN_THROWS(); \
227 	} \
228 }
229 
230 #define VERIFY_LDAP_RESULT_OPEN(lr) \
231 { \
232 	if (!lr->result) { \
233 		zend_throw_error(NULL, "LDAP result has already been closed"); \
234 		RETURN_THROWS(); \
235 	} \
236 }
237 
238 /* {{{ Parse controls from and to arrays */
_php_ldap_control_to_array(LDAP * ld,LDAPControl * ctrl,zval * array,int request)239 static void _php_ldap_control_to_array(LDAP *ld, LDAPControl* ctrl, zval* array, int request)
240 {
241 	array_init(array);
242 
243 	add_assoc_string(array, "oid", ctrl->ldctl_oid);
244 	if (request) {
245 		/* iscritical field only makes sense in request controls (which may be obtained by ldap_get_option) */
246 		add_assoc_bool(array, "iscritical", (ctrl->ldctl_iscritical != 0));
247 	}
248 
249 	/* If it is a known oid, parse to values */
250 	if (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_PASSWORDPOLICYRESPONSE) == 0) {
251 		int expire = 0, grace = 0, rc;
252 		LDAPPasswordPolicyError pperr;
253 		zval value;
254 
255 		rc = ldap_parse_passwordpolicy_control(ld, ctrl, &expire, &grace, &pperr);
256 		if ( rc == LDAP_SUCCESS ) {
257 			array_init(&value);
258 			add_assoc_long(&value, "expire", expire);
259 			add_assoc_long(&value, "grace", grace);
260 
261 			if ( pperr != PP_noError ) {
262 				add_assoc_long(&value, "error", pperr);
263 			}
264 			add_assoc_zval(array, "value", &value);
265 		} else {
266 			add_assoc_null(array, "value");
267 		}
268 	} else if (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_PAGEDRESULTS) == 0) {
269 		int lestimated, rc;
270 		struct berval lcookie = { 0L, NULL };
271 		zval value;
272 
273 		if (ctrl->ldctl_value.bv_len) {
274 			/* ldap_parse_pageresponse_control() allocates lcookie.bv_val */
275 			rc = ldap_parse_pageresponse_control(ld, ctrl, &lestimated, &lcookie);
276 		} else {
277 			/* ldap_parse_pageresponse_control will crash if value is empty */
278 			rc = -1;
279 		}
280 
281 		if ( rc == LDAP_SUCCESS ) {
282 			array_init(&value);
283 			add_assoc_long(&value, "size", lestimated);
284 			add_assoc_stringl(&value, "cookie", lcookie.bv_val, lcookie.bv_len);
285 			add_assoc_zval(array, "value", &value);
286 		} else {
287 			add_assoc_null(array, "value");
288 		}
289 
290 		if (lcookie.bv_val) {
291 			ldap_memfree(lcookie.bv_val);
292 		}
293 	} else if ((strcmp(ctrl->ldctl_oid, LDAP_CONTROL_PRE_READ) == 0) || (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_POST_READ) == 0)) {
294 		BerElement *ber;
295 		struct berval bv;
296 
297 		ber = ber_init(&ctrl->ldctl_value);
298 		if (ber == NULL) {
299 			add_assoc_null(array, "value");
300 		} else if (ber_scanf(ber, "{m{" /*}}*/, &bv) == LBER_ERROR) {
301 			add_assoc_null(array, "value");
302 		} else {
303 			zval value;
304 
305 			array_init(&value);
306 			add_assoc_stringl(&value, "dn", bv.bv_val, bv.bv_len);
307 
308 			while (ber_scanf(ber, "{m" /*}*/, &bv) != LBER_ERROR) {
309 				int	 i;
310 				BerVarray vals = NULL;
311 				zval tmp;
312 
313 				if (ber_scanf(ber, "[W]", &vals) == LBER_ERROR || vals == NULL)
314 				{
315 					break;
316 				}
317 
318 				array_init(&tmp);
319 				for (i = 0; vals[i].bv_val != NULL; i++) {
320 					add_next_index_stringl(&tmp, vals[i].bv_val, vals[i].bv_len);
321 				}
322 				add_assoc_zval(&value, bv.bv_val, &tmp);
323 
324 				ber_bvarray_free(vals);
325 			}
326 			add_assoc_zval(array, "value", &value);
327 		}
328 
329 		if (ber != NULL) {
330 			ber_free(ber, 1);
331 		}
332 	} else if (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_SORTRESPONSE) == 0) {
333 		zval value;
334 		int errcode, rc;
335 		char* attribute;
336 
337 		if (ctrl->ldctl_value.bv_len) {
338 			rc = ldap_parse_sortresponse_control(ld, ctrl, &errcode, &attribute);
339 		} else {
340 			rc = -1;
341 		}
342 		if ( rc == LDAP_SUCCESS ) {
343 			array_init(&value);
344 			add_assoc_long(&value, "errcode", errcode);
345 			if (attribute) {
346 				add_assoc_string(&value, "attribute", attribute);
347 				ldap_memfree(attribute);
348 			}
349 			add_assoc_zval(array, "value", &value);
350 		} else {
351 			add_assoc_null(array, "value");
352 		}
353 	} else if (strcmp(ctrl->ldctl_oid, LDAP_CONTROL_VLVRESPONSE) == 0) {
354 		int target, count, errcode, rc;
355 		struct berval *context;
356 		zval value;
357 
358 		if (ctrl->ldctl_value.bv_len) {
359 			rc = ldap_parse_vlvresponse_control(ld, ctrl, &target, &count, &context, &errcode);
360 		} else {
361 			rc = -1;
362 		}
363 		if ( rc == LDAP_SUCCESS ) {
364 			array_init(&value);
365 			add_assoc_long(&value, "target", target);
366 			add_assoc_long(&value, "count", count);
367 			add_assoc_long(&value, "errcode", errcode);
368 			if (context) {
369 				add_assoc_stringl(&value, "context", context->bv_val, context->bv_len);
370 			}
371 			add_assoc_zval(array, "value", &value);
372 			ber_bvfree(context);
373 		} else {
374 			add_assoc_null(array, "value");
375 		}
376 	} else {
377 		if (ctrl->ldctl_value.bv_len) {
378 			add_assoc_stringl(array, "value", ctrl->ldctl_value.bv_val, ctrl->ldctl_value.bv_len);
379 		} else {
380 			add_assoc_null(array, "value");
381 		}
382 	}
383 }
384 
_php_ldap_control_from_array(LDAP * ld,LDAPControl ** ctrl,zval * array)385 static int _php_ldap_control_from_array(LDAP *ld, LDAPControl** ctrl, zval* array)
386 {
387 	zval* val;
388 	zend_string *control_oid;
389 	int control_iscritical = 0, rc = LDAP_SUCCESS;
390 	char** ldap_attrs = NULL;
391 	LDAPSortKey** sort_keys = NULL;
392 	zend_string *tmpstring = NULL, **tmpstrings1 = NULL, **tmpstrings2 = NULL;
393 	size_t num_tmpstrings1 = 0, num_tmpstrings2 = 0;
394 
395 	if ((val = zend_hash_str_find(Z_ARRVAL_P(array), "oid", sizeof("oid") - 1)) == NULL) {
396 		zend_value_error("%s(): Control must have an \"oid\" key", get_active_function_name());
397 		return -1;
398 	}
399 
400 	control_oid = zval_get_string(val);
401 	if (EG(exception)) {
402 		return -1;
403 	}
404 
405 	if ((val = zend_hash_str_find(Z_ARRVAL_P(array), "iscritical", sizeof("iscritical") - 1)) != NULL) {
406 		control_iscritical = zend_is_true(val);
407 	} else {
408 		control_iscritical = 0;
409 	}
410 
411 	BerElement *ber = NULL;
412 	struct berval control_value = { 0L, NULL };
413 	int control_value_alloc = 0;
414 
415 	if ((val = zend_hash_find(Z_ARRVAL_P(array), ZSTR_KNOWN(ZEND_STR_VALUE))) != NULL) {
416 		if (Z_TYPE_P(val) != IS_ARRAY) {
417 			tmpstring = zval_get_string(val);
418 			if (EG(exception)) {
419 				rc = -1;
420 				goto failure;
421 			}
422 			control_value.bv_val = ZSTR_VAL(tmpstring);
423 			control_value.bv_len = ZSTR_LEN(tmpstring);
424 		} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_PAGEDRESULTS) == 0) {
425 			zval* tmp;
426 			int pagesize = 1;
427 			struct berval cookie = { 0L, NULL };
428 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "size", sizeof("size") - 1)) != NULL) {
429 				pagesize = zval_get_long(tmp);
430 			}
431 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "cookie", sizeof("cookie") - 1)) != NULL) {
432 				tmpstring = zval_get_string(tmp);
433 				if (EG(exception)) {
434 					rc = -1;
435 					goto failure;
436 				}
437 				cookie.bv_val = ZSTR_VAL(tmpstring);
438 				cookie.bv_len = ZSTR_LEN(tmpstring);
439 			}
440 			/* ldap_create_page_control_value() allocates memory for control_value.bv_val */
441 			control_value_alloc = 1;
442 			rc = ldap_create_page_control_value(ld, pagesize, &cookie, &control_value);
443 			if (rc != LDAP_SUCCESS) {
444 				php_error_docref(NULL, E_WARNING, "Failed to create paged result control value: %s (%d)", ldap_err2string(rc), rc);
445 			}
446 		} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_ASSERT) == 0) {
447 			zval* tmp;
448 			zend_string* assert;
449 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "filter", sizeof("filter") - 1)) == NULL) {
450 				rc = -1;
451 				zend_value_error("%s(): Control must have a \"filter\" key", get_active_function_name());
452 			} else {
453 				assert = zval_get_string(tmp);
454 				if (EG(exception)) {
455 					rc = -1;
456 					goto failure;
457 				}
458 				/* ldap_create_assertion_control_value does not reset ld_errno, we need to do it ourselves
459 					 See http://www.openldap.org/its/index.cgi/Incoming?id=8674 */
460 				int success = LDAP_SUCCESS;
461 				ldap_set_option(ld, LDAP_OPT_RESULT_CODE, &success);
462 				/* ldap_create_assertion_control_value() allocates memory for control_value.bv_val */
463 				control_value_alloc = 1;
464 				rc = ldap_create_assertion_control_value(ld, ZSTR_VAL(assert), &control_value);
465 				if (rc != LDAP_SUCCESS) {
466 					php_error_docref(NULL, E_WARNING, "Failed to create assert control value: %s (%d)", ldap_err2string(rc), rc);
467 				}
468 				zend_string_release(assert);
469 			}
470 		} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_VALUESRETURNFILTER) == 0) {
471 			zval* tmp;
472 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "filter", sizeof("filter") - 1)) == NULL) {
473 				rc = -1;
474 				zend_value_error("%s(): Control must have a \"filter\" key", get_active_function_name());
475 			} else {
476 				ber = ber_alloc_t(LBER_USE_DER);
477 				if (ber == NULL) {
478 					rc = -1;
479 					php_error_docref(NULL, E_WARNING, "Failed to allocate control value");
480 				} else {
481 					tmpstring = zval_get_string(tmp);
482 					if (EG(exception)) {
483 						rc = -1;
484 						goto failure;
485 					}
486 					if (ldap_put_vrFilter(ber, ZSTR_VAL(tmpstring)) == -1) {
487 						rc = -1;
488 						php_error_docref(NULL, E_WARNING, "Failed to create control value: Bad ValuesReturnFilter: %s", ZSTR_VAL(tmpstring));
489 					} else if (ber_flatten2(ber, &control_value, control_value_alloc) == -1) {
490 						rc = -1;
491 					}
492 				}
493 			}
494 		} else if ((strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_PRE_READ) == 0) || (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_POST_READ) == 0)) {
495 			zval* tmp;
496 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "attrs", sizeof("attrs") - 1)) == NULL) {
497 				rc = -1;
498 				zend_value_error("%s(): Control must have an \"attrs\" key", get_active_function_name());
499 			} else {
500 				ber = ber_alloc_t(LBER_USE_DER);
501 
502 				if (ber == NULL) {
503 					rc = -1;
504 					php_error_docref(NULL, E_WARNING, "Failed to allocate control value");
505 				} else {
506 					int num_attribs, i;
507 					zval* attr;
508 
509 					num_attribs = zend_hash_num_elements(Z_ARRVAL_P(tmp));
510 					ldap_attrs = safe_emalloc((num_attribs+1), sizeof(char *), 0);
511 					tmpstrings1 = safe_emalloc(num_attribs, sizeof(zend_string*), 0);
512 					num_tmpstrings1 = 0;
513 
514 					for (i = 0; i<num_attribs; i++) {
515 						if ((attr = zend_hash_index_find(Z_ARRVAL_P(tmp), i)) == NULL) {
516 							rc = -1;
517 							php_error_docref(NULL, E_WARNING, "Failed to encode attribute list");
518 							goto failure;
519 						}
520 
521 						tmpstrings1[num_tmpstrings1] = zval_get_string(attr);
522 						if (EG(exception)) {
523 							rc = -1;
524 							goto failure;
525 						}
526 						ldap_attrs[i] = ZSTR_VAL(tmpstrings1[num_tmpstrings1]);
527 						++num_tmpstrings1;
528 					}
529 					ldap_attrs[num_attribs] = NULL;
530 
531 					ber_init2( ber, NULL, LBER_USE_DER );
532 
533 					if (ber_printf(ber, "{v}", ldap_attrs) == -1) {
534 						rc = -1;
535 						php_error_docref(NULL, E_WARNING, "Failed to encode attribute list");
536 					} else {
537 						int err;
538 						err = ber_flatten2(ber, &control_value, control_value_alloc);
539 						if (err < 0) {
540 							rc = -1;
541 							php_error_docref(NULL, E_WARNING, "Failed to encode control value (%d)", err);
542 						}
543 					}
544 				}
545 			}
546 		} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_SORTREQUEST) == 0) {
547 			int num_keys, i;
548 			zval *sortkey, *tmp;
549 
550 			num_keys = zend_hash_num_elements(Z_ARRVAL_P(val));
551 			sort_keys = safe_emalloc((num_keys+1), sizeof(LDAPSortKey*), 0);
552 			tmpstrings1 = safe_emalloc(num_keys, sizeof(zend_string*), 0);
553 			tmpstrings2 = safe_emalloc(num_keys, sizeof(zend_string*), 0);
554 			num_tmpstrings1 = 0;
555 			num_tmpstrings2 = 0;
556 
557 			for (i = 0; i<num_keys; i++) {
558 				if ((sortkey = zend_hash_index_find(Z_ARRVAL_P(val), i)) == NULL) {
559 					rc = -1;
560 					php_error_docref(NULL, E_WARNING, "Failed to encode sort keys list");
561 					goto failure;
562 				}
563 
564 				if ((tmp = zend_hash_str_find(Z_ARRVAL_P(sortkey), "attr", sizeof("attr") - 1)) == NULL) {
565 					rc = -1;
566 					zend_value_error("%s(): Sort key list must have an \"attr\" key", get_active_function_name());
567 					goto failure;
568 				}
569 				sort_keys[i] = emalloc(sizeof(LDAPSortKey));
570 				tmpstrings1[num_tmpstrings1] = zval_get_string(tmp);
571 				if (EG(exception)) {
572 					rc = -1;
573 					goto failure;
574 				}
575 				sort_keys[i]->attributeType = ZSTR_VAL(tmpstrings1[num_tmpstrings1]);
576 				++num_tmpstrings1;
577 
578 				if ((tmp = zend_hash_str_find(Z_ARRVAL_P(sortkey), "oid", sizeof("oid") - 1)) != NULL) {
579 					tmpstrings2[num_tmpstrings2] = zval_get_string(tmp);
580 					if (EG(exception)) {
581 						rc = -1;
582 						goto failure;
583 					}
584 					sort_keys[i]->orderingRule = ZSTR_VAL(tmpstrings2[num_tmpstrings2]);
585 					++num_tmpstrings2;
586 				} else {
587 					sort_keys[i]->orderingRule = NULL;
588 				}
589 
590 				if ((tmp = zend_hash_str_find(Z_ARRVAL_P(sortkey), "reverse", sizeof("reverse") - 1)) != NULL) {
591 					sort_keys[i]->reverseOrder = zend_is_true(tmp);
592 				} else {
593 					sort_keys[i]->reverseOrder = 0;
594 				}
595 			}
596 			sort_keys[num_keys] = NULL;
597 			/* ldap_create_sort_control_value() allocates memory for control_value.bv_val */
598 			control_value_alloc = 1;
599 			rc = ldap_create_sort_control_value(ld, sort_keys, &control_value);
600 			if (rc != LDAP_SUCCESS) {
601 				php_error_docref(NULL, E_WARNING, "Failed to create sort control value: %s (%d)", ldap_err2string(rc), rc);
602 			}
603 		} else if (strcmp(ZSTR_VAL(control_oid), LDAP_CONTROL_VLVREQUEST) == 0) {
604 			zval* tmp;
605 			LDAPVLVInfo vlvInfo;
606 			struct berval attrValue;
607 			struct berval context;
608 
609 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "before", sizeof("before") - 1)) != NULL) {
610 				vlvInfo.ldvlv_before_count = zval_get_long(tmp);
611 			} else {
612 				rc = -1;
613 				zend_value_error("%s(): Array value for VLV control must have a \"before\" key", get_active_function_name());
614 				goto failure;
615 			}
616 
617 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "after", sizeof("after") - 1)) != NULL) {
618 				vlvInfo.ldvlv_after_count = zval_get_long(tmp);
619 			} else {
620 				rc = -1;
621 				zend_value_error("%s(): Array value for VLV control must have an \"after\" key", get_active_function_name());
622 				goto failure;
623 			}
624 
625 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "attrvalue", sizeof("attrvalue") - 1)) != NULL) {
626 				tmpstring = zval_get_string(tmp);
627 				if (EG(exception)) {
628 					rc = -1;
629 					goto failure;
630 				}
631 				attrValue.bv_val = ZSTR_VAL(tmpstring);
632 				attrValue.bv_len = ZSTR_LEN(tmpstring);
633 				vlvInfo.ldvlv_attrvalue = &attrValue;
634 			} else if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "offset", sizeof("offset") - 1)) != NULL) {
635 				vlvInfo.ldvlv_attrvalue = NULL;
636 				vlvInfo.ldvlv_offset = zval_get_long(tmp);
637 				/* Find "count" key */
638 				if ((tmp = zend_hash_find(Z_ARRVAL_P(val), ZSTR_KNOWN(ZEND_STR_COUNT))) != NULL) {
639 					vlvInfo.ldvlv_count = zval_get_long(tmp);
640 				} else {
641 					rc = -1;
642 					zend_value_error("%s(): Array value for VLV control must have a \"count\" key", get_active_function_name());
643 					goto failure;
644 				}
645 			} else {
646 				rc = -1;
647 				zend_value_error("%s(): Array value for VLV control must have either an \"attrvalue\" or an \"offset\" key", get_active_function_name());
648 				goto failure;
649 			}
650 
651 			if ((tmp = zend_hash_str_find(Z_ARRVAL_P(val), "context", sizeof("context") - 1)) != NULL) {
652 				tmpstring = zval_get_string(tmp);
653 				if (EG(exception)) {
654 					rc = -1;
655 					goto failure;
656 				}
657 				context.bv_val = ZSTR_VAL(tmpstring);
658 				context.bv_len = ZSTR_LEN(tmpstring);
659 				vlvInfo.ldvlv_context = &context;
660 			} else {
661 				vlvInfo.ldvlv_context = NULL;
662 			}
663 
664 			/* ldap_create_vlv_control_value() allocates memory for control_value.bv_val */
665 			control_value_alloc = 1;
666 			rc = ldap_create_vlv_control_value(ld, &vlvInfo, &control_value);
667 			if (rc != LDAP_SUCCESS) {
668 				php_error_docref(NULL, E_WARNING, "Failed to create VLV control value: %s (%d)", ldap_err2string(rc), rc);
669 			}
670 		} else {
671 			zend_type_error("%s(): Control OID %s cannot be of type array", get_active_function_name(), ZSTR_VAL(control_oid));
672 			rc = -1;
673 		}
674 	}
675 
676 	if (rc == LDAP_SUCCESS) {
677 		rc = ldap_control_create(ZSTR_VAL(control_oid), control_iscritical, &control_value, 1, ctrl);
678 	}
679 
680 failure:
681 	zend_string_release(control_oid);
682 	if (tmpstring != NULL) {
683 		zend_string_release(tmpstring);
684 	}
685 	if (tmpstrings1 != NULL) {
686 		int i;
687 		for (i = 0; i < num_tmpstrings1; ++i) {
688 			zend_string_release(tmpstrings1[i]);
689 		}
690 		efree(tmpstrings1);
691 	}
692 	if (tmpstrings2 != NULL) {
693 		int i;
694 		for (i = 0; i < num_tmpstrings2; ++i) {
695 			zend_string_release(tmpstrings2[i]);
696 		}
697 		efree(tmpstrings2);
698 	}
699 	if (control_value.bv_val != NULL && control_value_alloc != 0) {
700 		ber_memfree(control_value.bv_val);
701 	}
702 	if (ber != NULL) {
703 		ber_free(ber, 1);
704 	}
705 	if (ldap_attrs != NULL) {
706 		efree(ldap_attrs);
707 	}
708 	if (sort_keys != NULL) {
709 		LDAPSortKey** sortp = sort_keys;
710 		while (*sortp) {
711 			efree(*sortp);
712 			sortp++;
713 		}
714 		efree(sort_keys);
715 		sort_keys = NULL;
716 	}
717 
718 	if (rc == LDAP_SUCCESS) {
719 		return LDAP_SUCCESS;
720 	}
721 
722 	/* Failed */
723 	*ctrl = NULL;
724 	return -1;
725 }
726 
_php_ldap_controls_to_array(LDAP * ld,LDAPControl ** ctrls,zval * array,int request)727 static void _php_ldap_controls_to_array(LDAP *ld, LDAPControl** ctrls, zval* array, int request)
728 {
729 	zval tmp1;
730 	LDAPControl **ctrlp;
731 
732 	array = zend_try_array_init(array);
733 	if (!array) {
734 		return;
735 	}
736 
737 	if (ctrls == NULL) {
738 		return;
739 	}
740 	ctrlp = ctrls;
741 	while (*ctrlp != NULL) {
742 		_php_ldap_control_to_array(ld, *ctrlp, &tmp1, request);
743 		add_assoc_zval(array, (*ctrlp)->ldctl_oid, &tmp1);
744 		ctrlp++;
745 	}
746 	ldap_controls_free(ctrls);
747 }
748 
_php_ldap_controls_from_array(LDAP * ld,zval * array,uint32_t arg_num)749 static LDAPControl** _php_ldap_controls_from_array(LDAP *ld, zval* array, uint32_t arg_num)
750 {
751 	int ncontrols;
752 	LDAPControl** ctrlp, **ctrls = NULL;
753 	zval* ctrlarray;
754 	int error = 0;
755 
756 	ncontrols = zend_hash_num_elements(Z_ARRVAL_P(array));
757 	ctrls = safe_emalloc((1 + ncontrols), sizeof(*ctrls), 0);
758 	*ctrls = NULL;
759 	ctrlp = ctrls;
760 	ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(array), ctrlarray) {
761 		if (Z_TYPE_P(ctrlarray) != IS_ARRAY) {
762 			zend_argument_type_error(arg_num, "must contain only arrays, where each array is a control");
763 			error = 1;
764 			break;
765 		}
766 
767 		if (_php_ldap_control_from_array(ld, ctrlp, ctrlarray) == LDAP_SUCCESS) {
768 			++ctrlp;
769 		} else {
770 			error = 1;
771 			break;
772 		}
773 
774 		*ctrlp = NULL;
775 	} ZEND_HASH_FOREACH_END();
776 
777 	if (error) {
778 		ctrlp = ctrls;
779 		while (*ctrlp) {
780 			ldap_control_free(*ctrlp);
781 			ctrlp++;
782 		}
783 		efree(ctrls);
784 		ctrls = NULL;
785 	}
786 
787 	return ctrls;
788 }
789 
_php_ldap_controls_free(LDAPControl *** ctrls)790 static void _php_ldap_controls_free (LDAPControl*** ctrls)
791 {
792 	LDAPControl **ctrlp;
793 
794 	if (*ctrls) {
795 		ctrlp = *ctrls;
796 		while (*ctrlp) {
797 			ldap_control_free(*ctrlp);
798 			ctrlp++;
799 		}
800 		efree(*ctrls);
801 		*ctrls = NULL;
802 	}
803 }
804 /* }}} */
805 
806 /* {{{ PHP_INI_BEGIN */
807 PHP_INI_BEGIN()
808 	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()809 PHP_INI_END()
810 /* }}} */
811 
812 /* {{{ PHP_GINIT_FUNCTION */
813 static PHP_GINIT_FUNCTION(ldap)
814 {
815 #if defined(COMPILE_DL_LDAP) && defined(ZTS)
816 	ZEND_TSRMLS_CACHE_UPDATE();
817 #endif
818 	ldap_globals->num_links = 0;
819 }
820 /* }}} */
821 
822 /* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(ldap)823 PHP_MINIT_FUNCTION(ldap)
824 {
825 	REGISTER_INI_ENTRIES();
826 
827 	ldap_link_ce = register_class_LDAP_Connection();
828 	ldap_link_ce->create_object = ldap_link_create_object;
829 	ldap_link_ce->default_object_handlers = &ldap_link_object_handlers;
830 
831 	memcpy(&ldap_link_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
832 	ldap_link_object_handlers.offset = XtOffsetOf(ldap_linkdata, std);
833 	ldap_link_object_handlers.free_obj = ldap_link_free_obj;
834 	ldap_link_object_handlers.get_constructor = ldap_link_get_constructor;
835 	ldap_link_object_handlers.clone_obj = NULL;
836 	ldap_link_object_handlers.compare = zend_objects_not_comparable;
837 
838 	ldap_result_ce = register_class_LDAP_Result();
839 	ldap_result_ce->create_object = ldap_result_create_object;
840 	ldap_result_ce->default_object_handlers = &ldap_result_object_handlers;
841 
842 	memcpy(&ldap_result_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
843 	ldap_result_object_handlers.offset = XtOffsetOf(ldap_resultdata, std);
844 	ldap_result_object_handlers.free_obj = ldap_result_free_obj;
845 	ldap_result_object_handlers.get_constructor = ldap_result_get_constructor;
846 	ldap_result_object_handlers.clone_obj = NULL;
847 	ldap_result_object_handlers.compare = zend_objects_not_comparable;
848 
849 	ldap_result_entry_ce = register_class_LDAP_ResultEntry();
850 	ldap_result_entry_ce->create_object = ldap_result_entry_create_object;
851 	ldap_result_entry_ce->default_object_handlers = &ldap_result_entry_object_handlers;
852 
853 	memcpy(&ldap_result_entry_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
854 	ldap_result_entry_object_handlers.offset = XtOffsetOf(ldap_result_entry, std);
855 	ldap_result_entry_object_handlers.free_obj = ldap_result_entry_free_obj;
856 	ldap_result_entry_object_handlers.get_constructor = ldap_result_entry_get_constructor;
857 	ldap_result_entry_object_handlers.clone_obj = NULL;
858 	ldap_result_entry_object_handlers.compare = zend_objects_not_comparable;
859 
860 	register_ldap_symbols(module_number);
861 
862 	ldap_module_entry.type = type;
863 
864 	return SUCCESS;
865 }
866 /* }}} */
867 
868 /* {{{ PHP_MSHUTDOWN_FUNCTION */
PHP_MSHUTDOWN_FUNCTION(ldap)869 PHP_MSHUTDOWN_FUNCTION(ldap)
870 {
871 	UNREGISTER_INI_ENTRIES();
872 	return SUCCESS;
873 }
874 /* }}} */
875 
876 /* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(ldap)877 PHP_MINFO_FUNCTION(ldap)
878 {
879 	char tmp[32];
880 
881 	php_info_print_table_start();
882 	php_info_print_table_row(2, "LDAP Support", "enabled");
883 
884 	if (LDAPG(max_links) == -1) {
885 		snprintf(tmp, 31, ZEND_LONG_FMT "/unlimited", LDAPG(num_links));
886 	} else {
887 		snprintf(tmp, 31, ZEND_LONG_FMT "/" ZEND_LONG_FMT, LDAPG(num_links), LDAPG(max_links));
888 	}
889 	php_info_print_table_row(2, "Total Links", tmp);
890 
891 #ifdef LDAP_API_VERSION
892 	snprintf(tmp, 31, "%d", LDAP_API_VERSION);
893 	php_info_print_table_row(2, "API Version", tmp);
894 #endif
895 
896 #ifdef LDAP_VENDOR_NAME
897 	php_info_print_table_row(2, "Vendor Name", LDAP_VENDOR_NAME);
898 #endif
899 
900 #ifdef LDAP_VENDOR_VERSION
901 	snprintf(tmp, 31, "%d", LDAP_VENDOR_VERSION);
902 	php_info_print_table_row(2, "Vendor Version", tmp);
903 #endif
904 
905 #ifdef HAVE_LDAP_SASL
906 	php_info_print_table_row(2, "SASL Support", "Enabled");
907 #endif
908 
909 	php_info_print_table_end();
910 	DISPLAY_INI_ENTRIES();
911 }
912 /* }}} */
913 
914 /* {{{ Connect to an LDAP server */
PHP_FUNCTION(ldap_connect)915 PHP_FUNCTION(ldap_connect)
916 {
917 	char *host = NULL;
918 	size_t hostlen = 0;
919 	zend_long port = LDAP_PORT;
920 #ifdef HAVE_ORALDAP
921 	char *wallet = NULL, *walletpasswd = NULL;
922 	size_t walletlen = 0, walletpasswdlen = 0;
923 	zend_long authmode = GSLC_SSL_NO_AUTH;
924 	int ssl=0;
925 #endif
926 	ldap_linkdata *ld;
927 	LDAP *ldap = NULL;
928 
929 	if (ZEND_NUM_ARGS() == 2) {
930 	    zend_error(E_DEPRECATED, "Usage of ldap_connect with two arguments is deprecated");
931 	}
932 
933 #ifdef HAVE_ORALDAP
934 	if (ZEND_NUM_ARGS() == 3 || ZEND_NUM_ARGS() == 4) {
935 		WRONG_PARAM_COUNT;
936 	}
937 
938 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!lssl", &host, &hostlen, &port, &wallet, &walletlen, &walletpasswd, &walletpasswdlen, &authmode) != SUCCESS) {
939 		RETURN_THROWS();
940 	}
941 
942 	if (ZEND_NUM_ARGS() == 5) {
943 		ssl = 1;
944 	}
945 #else
946 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!l", &host, &hostlen, &port) != SUCCESS) {
947 		RETURN_THROWS();
948 	}
949 #endif
950 
951 	if (LDAPG(max_links) != -1 && LDAPG(num_links) >= LDAPG(max_links)) {
952 		php_error_docref(NULL, E_WARNING, "Too many open links (" ZEND_LONG_FMT ")", LDAPG(num_links));
953 		RETURN_FALSE;
954 	}
955 
956 	object_init_ex(return_value, ldap_link_ce);
957 	ld = Z_LDAP_LINK_P(return_value);
958 
959 	{
960 		int rc = LDAP_SUCCESS;
961 		char	*url = host;
962 		if (url && !ldap_is_ldap_url(url)) {
963 			size_t urllen = hostlen + sizeof( "ldap://:65535" );
964 
965 			if (port <= 0 || port > 65535) {
966 				zend_argument_value_error(2, "must be between 1 and 65535");
967 				RETURN_THROWS();
968 			}
969 
970 			url = emalloc(urllen);
971 			snprintf( url, urllen, "ldap://%s:" ZEND_LONG_FMT, host, port );
972 		}
973 
974 #ifdef LDAP_API_FEATURE_X_OPENLDAP
975 		/* ldap_init() is deprecated, use ldap_initialize() instead.
976 		 */
977 		rc = ldap_initialize(&ldap, url);
978 #else /* ! LDAP_API_FEATURE_X_OPENLDAP */
979 		/* ldap_init does not support URLs.
980 		 * We must try the original host and port information.
981 		 */
982 		ldap = ldap_init(host, port);
983 		if (ldap == NULL) {
984 			zval_ptr_dtor(return_value);
985 			php_error_docref(NULL, E_WARNING, "Could not create session handle");
986 			RETURN_FALSE;
987 		}
988 #endif /* ! LDAP_API_FEATURE_X_OPENLDAP */
989 		if (url != host) {
990 			efree(url);
991 		}
992 		if (rc != LDAP_SUCCESS) {
993 			zval_ptr_dtor(return_value);
994 			php_error_docref(NULL, E_WARNING, "Could not create session handle: %s", ldap_err2string(rc));
995 			RETURN_FALSE;
996 		}
997 	}
998 
999 	if (ldap == NULL) {
1000 		zval_ptr_dtor(return_value);
1001 		RETURN_FALSE;
1002 	} else {
1003 #ifdef HAVE_ORALDAP
1004 		if (ssl) {
1005 			if (ldap_init_SSL(&ldap->ld_sb, wallet, walletpasswd, authmode)) {
1006 				zval_ptr_dtor(return_value);
1007 				php_error_docref(NULL, E_WARNING, "SSL init failed");
1008 				RETURN_FALSE;
1009 			}
1010 		}
1011 #endif
1012 		LDAPG(num_links)++;
1013 		ld->link = ldap;
1014 	}
1015 
1016 }
1017 /* }}} */
1018 
1019 #if defined(HAVE_ORALDAP) && defined(LDAP_API_FEATURE_X_OPENLDAP)
PHP_FUNCTION(ldap_connect_wallet)1020 PHP_FUNCTION(ldap_connect_wallet) {
1021 	char *host = NULL;
1022 	size_t hostlen = 0;
1023 	char *wallet = NULL, *walletpasswd = NULL;
1024 	size_t walletlen = 0, walletpasswdlen = 0;
1025 	zend_long authmode = GSLC_SSL_NO_AUTH;
1026 	bool ssl = false;
1027 
1028 	ldap_linkdata *ld;
1029 	LDAP *ldap = NULL;
1030 
1031 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s!ss|l",
1032 		&host, &hostlen, &wallet, &walletlen, &walletpasswd, &walletpasswdlen, &authmode) != SUCCESS
1033 	) {
1034 		RETURN_THROWS();
1035 	}
1036 
1037 	if (authmode != 0) {
1038 		ssl = true;
1039 	}
1040 
1041 	if (LDAPG(max_links) != -1 && LDAPG(num_links) >= LDAPG(max_links)) {
1042 		php_error_docref(NULL, E_WARNING, "Too many open links (" ZEND_LONG_FMT ")", LDAPG(num_links));
1043 		RETURN_FALSE;
1044 	}
1045 
1046 	object_init_ex(return_value, ldap_link_ce);
1047 	ld = Z_LDAP_LINK_P(return_value);
1048 
1049 	{
1050 		int rc = LDAP_SUCCESS;
1051 		char *url = host;
1052 		if (url && !ldap_is_ldap_url(url)) {
1053 			size_t urllen = hostlen + sizeof( "ldap://:65535" );
1054 
1055 			url = emalloc(urllen);
1056 			snprintf( url, urllen, "ldap://%s", host );
1057 		}
1058 
1059 		/* ldap_init() is deprecated, use ldap_initialize() instead. */
1060 		rc = ldap_initialize(&ldap, url);
1061 		if (url != host) {
1062 			efree(url);
1063 		}
1064 		if (rc != LDAP_SUCCESS) {
1065 			zval_ptr_dtor(return_value);
1066 			php_error_docref(NULL, E_WARNING, "Could not create session handle: %s", ldap_err2string(rc));
1067 			RETURN_FALSE;
1068 		}
1069 	}
1070 
1071 	if (ldap == NULL) {
1072 		zval_ptr_dtor(return_value);
1073 		RETURN_FALSE;
1074 	} else {
1075 		if (ssl) {
1076 			if (ldap_init_SSL(&ldap->ld_sb, wallet, walletpasswd, authmode)) {
1077 				zval_ptr_dtor(return_value);
1078 				php_error_docref(NULL, E_WARNING, "SSL init failed");
1079 				RETURN_FALSE;
1080 			}
1081 		}
1082 		LDAPG(num_links)++;
1083 		ld->link = ldap;
1084 	}
1085 }
1086 #endif
1087 
1088 /* {{{ _get_lderrno */
_get_lderrno(LDAP * ldap)1089 static int _get_lderrno(LDAP *ldap)
1090 {
1091 #if LDAP_API_VERSION > 2000 || defined(HAVE_ORALDAP)
1092 	int lderr;
1093 
1094 	/* New versions of OpenLDAP do it this way */
1095 	ldap_get_option(ldap, LDAP_OPT_ERROR_NUMBER, &lderr);
1096 	return lderr;
1097 #else
1098 	return ldap->ld_errno;
1099 #endif
1100 }
1101 /* }}} */
1102 
1103 /* {{{ _set_lderrno */
_set_lderrno(LDAP * ldap,int lderr)1104 static void _set_lderrno(LDAP *ldap, int lderr)
1105 {
1106 #if LDAP_API_VERSION > 2000 || defined(HAVE_ORALDAP)
1107 	/* New versions of OpenLDAP do it this way */
1108 	ldap_set_option(ldap, LDAP_OPT_ERROR_NUMBER, &lderr);
1109 #else
1110 	ldap->ld_errno = lderr;
1111 #endif
1112 }
1113 /* }}} */
1114 
1115 /* {{{ Bind to LDAP directory */
PHP_FUNCTION(ldap_bind)1116 PHP_FUNCTION(ldap_bind)
1117 {
1118 	zval *link;
1119 	char *ldap_bind_dn = NULL, *ldap_bind_pw = NULL;
1120 	size_t ldap_bind_dnlen, ldap_bind_pwlen;
1121 	ldap_linkdata *ld;
1122 	int rc;
1123 
1124 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O|s!s!", &link, ldap_link_ce, &ldap_bind_dn, &ldap_bind_dnlen, &ldap_bind_pw, &ldap_bind_pwlen) != SUCCESS) {
1125 		RETURN_THROWS();
1126 	}
1127 
1128 	ld = Z_LDAP_LINK_P(link);
1129 	VERIFY_LDAP_LINK_CONNECTED(ld);
1130 
1131 	if (ldap_bind_dn != NULL && memchr(ldap_bind_dn, '\0', ldap_bind_dnlen) != NULL) {
1132 		_set_lderrno(ld->link, LDAP_INVALID_CREDENTIALS);
1133 		zend_argument_type_error(2, "must not contain null bytes");
1134 		RETURN_THROWS();
1135 	}
1136 
1137 	if (ldap_bind_pw != NULL && memchr(ldap_bind_pw, '\0', ldap_bind_pwlen) != NULL) {
1138 		_set_lderrno(ld->link, LDAP_INVALID_CREDENTIALS);
1139 		zend_argument_type_error(3, "must not contain null bytes");
1140 		RETURN_THROWS();
1141 	}
1142 
1143 	{
1144 #ifdef LDAP_API_FEATURE_X_OPENLDAP
1145 		/* ldap_simple_bind_s() is deprecated, use ldap_sasl_bind_s() instead.
1146 		 */
1147 		struct berval   cred;
1148 
1149 		cred.bv_val = ldap_bind_pw;
1150 		cred.bv_len = ldap_bind_pw ? ldap_bind_pwlen : 0;
1151 		rc = ldap_sasl_bind_s(ld->link, ldap_bind_dn, LDAP_SASL_SIMPLE, &cred,
1152 				NULL, NULL,     /* no controls right now */
1153 				NULL);	  /* we don't care about the server's credentials */
1154 #else /* ! LDAP_API_FEATURE_X_OPENLDAP */
1155 		rc = ldap_simple_bind_s(ld->link, ldap_bind_dn, ldap_bind_pw);
1156 #endif /* ! LDAP_API_FEATURE_X_OPENLDAP */
1157 	}
1158 	if ( rc != LDAP_SUCCESS) {
1159 		php_error_docref(NULL, E_WARNING, "Unable to bind to server: %s", ldap_err2string(rc));
1160 		RETURN_FALSE;
1161 	} else {
1162 		RETURN_TRUE;
1163 	}
1164 }
1165 /* }}} */
1166 
1167 /* {{{ Bind to LDAP directory */
PHP_FUNCTION(ldap_bind_ext)1168 PHP_FUNCTION(ldap_bind_ext)
1169 {
1170 	zval *serverctrls = NULL;
1171 	zval *link;
1172 	char *ldap_bind_dn = NULL, *ldap_bind_pw = NULL;
1173 	size_t ldap_bind_dnlen, ldap_bind_pwlen;
1174 	ldap_linkdata *ld;
1175 	LDAPControl **lserverctrls = NULL;
1176 	ldap_resultdata *result;
1177 	LDAPMessage *ldap_res;
1178 	int rc;
1179 
1180 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O|s!s!a!", &link, ldap_link_ce, &ldap_bind_dn, &ldap_bind_dnlen, &ldap_bind_pw, &ldap_bind_pwlen, &serverctrls) != SUCCESS) {
1181 		RETURN_THROWS();
1182 	}
1183 
1184 	ld = Z_LDAP_LINK_P(link);
1185 	VERIFY_LDAP_LINK_CONNECTED(ld);
1186 
1187 	if (ldap_bind_dn != NULL && memchr(ldap_bind_dn, '\0', ldap_bind_dnlen) != NULL) {
1188 		_set_lderrno(ld->link, LDAP_INVALID_CREDENTIALS);
1189 		zend_argument_type_error(2, "must not contain null bytes");
1190 		RETURN_THROWS();
1191 	}
1192 
1193 	if (ldap_bind_pw != NULL && memchr(ldap_bind_pw, '\0', ldap_bind_pwlen) != NULL) {
1194 		_set_lderrno(ld->link, LDAP_INVALID_CREDENTIALS);
1195 		zend_argument_type_error(3, "must not contain null bytes");
1196 		RETURN_THROWS();
1197 	}
1198 
1199 	if (serverctrls) {
1200 		lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 4);
1201 		if (lserverctrls == NULL) {
1202 			RETVAL_FALSE;
1203 			goto cleanup;
1204 		}
1205 	}
1206 
1207 	{
1208 		/* ldap_simple_bind() is deprecated, use ldap_sasl_bind() instead */
1209 		struct berval   cred;
1210 		int msgid;
1211 
1212 		cred.bv_val = ldap_bind_pw;
1213 		cred.bv_len = ldap_bind_pw ? ldap_bind_pwlen : 0;
1214 		/* asynchronous call */
1215 		rc = ldap_sasl_bind(ld->link, ldap_bind_dn, LDAP_SASL_SIMPLE, &cred,
1216 				lserverctrls, NULL, &msgid);
1217 		if (rc != LDAP_SUCCESS ) {
1218 			php_error_docref(NULL, E_WARNING, "Unable to bind to server: %s (%d)", ldap_err2string(rc), rc);
1219 			RETVAL_FALSE;
1220 			goto cleanup;
1221 		}
1222 
1223 		rc = ldap_result(ld->link, msgid, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
1224 		if (rc == -1) {
1225 			php_error_docref(NULL, E_WARNING, "Bind operation failed");
1226 			RETVAL_FALSE;
1227 			goto cleanup;
1228 		}
1229 
1230 		/* return a PHP control object */
1231 		object_init_ex(return_value, ldap_result_ce);
1232 		result = Z_LDAP_RESULT_P(return_value);
1233 		result->result = ldap_res;
1234 	}
1235 
1236 cleanup:
1237 	if (lserverctrls) {
1238 		_php_ldap_controls_free(&lserverctrls);
1239 	}
1240 
1241 	return;
1242 }
1243 /* }}} */
1244 
1245 #ifdef HAVE_LDAP_SASL
1246 typedef struct {
1247 	char *mech;
1248 	char *realm;
1249 	char *authcid;
1250 	char *passwd;
1251 	char *authzid;
1252 } php_ldap_bictx;
1253 
1254 /* {{{ _php_sasl_setdefs */
_php_sasl_setdefs(LDAP * ld,char * sasl_mech,char * sasl_realm,char * sasl_authc_id,char * passwd,char * sasl_authz_id)1255 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)
1256 {
1257 	php_ldap_bictx *ctx;
1258 
1259 	ctx = ber_memalloc(sizeof(php_ldap_bictx));
1260 	ctx->mech    = (sasl_mech) ? ber_strdup(sasl_mech) : NULL;
1261 	ctx->realm   = (sasl_realm) ? ber_strdup(sasl_realm) : NULL;
1262 	ctx->authcid = (sasl_authc_id) ? ber_strdup(sasl_authc_id) : NULL;
1263 	ctx->passwd  = (passwd) ? ber_strdup(passwd) : NULL;
1264 	ctx->authzid = (sasl_authz_id) ? ber_strdup(sasl_authz_id) : NULL;
1265 
1266 	if (ctx->mech == NULL) {
1267 		ldap_get_option(ld, LDAP_OPT_X_SASL_MECH, &ctx->mech);
1268 	}
1269 	if (ctx->realm == NULL) {
1270 		ldap_get_option(ld, LDAP_OPT_X_SASL_REALM, &ctx->realm);
1271 	}
1272 	if (ctx->authcid == NULL) {
1273 		ldap_get_option(ld, LDAP_OPT_X_SASL_AUTHCID, &ctx->authcid);
1274 	}
1275 	if (ctx->authzid == NULL) {
1276 		ldap_get_option(ld, LDAP_OPT_X_SASL_AUTHZID, &ctx->authzid);
1277 	}
1278 
1279 	return ctx;
1280 }
1281 /* }}} */
1282 
1283 /* {{{ _php_sasl_freedefs */
_php_sasl_freedefs(php_ldap_bictx * ctx)1284 static void _php_sasl_freedefs(php_ldap_bictx *ctx)
1285 {
1286 	if (ctx->mech) ber_memfree(ctx->mech);
1287 	if (ctx->realm) ber_memfree(ctx->realm);
1288 	if (ctx->authcid) ber_memfree(ctx->authcid);
1289 	if (ctx->passwd) ber_memfree(ctx->passwd);
1290 	if (ctx->authzid) ber_memfree(ctx->authzid);
1291 	ber_memfree(ctx);
1292 }
1293 /* }}} */
1294 
1295 /* {{{ _php_sasl_interact
1296    Internal interact function for SASL */
_php_sasl_interact(LDAP * ld,unsigned flags,void * defaults,void * in)1297 static int _php_sasl_interact(LDAP *ld, unsigned flags, void *defaults, void *in)
1298 {
1299 	sasl_interact_t *interact = in;
1300 	const char *p;
1301 	php_ldap_bictx *ctx = defaults;
1302 
1303 	for (;interact->id != SASL_CB_LIST_END;interact++) {
1304 		p = NULL;
1305 		switch(interact->id) {
1306 			case SASL_CB_GETREALM:
1307 				p = ctx->realm;
1308 				break;
1309 			case SASL_CB_AUTHNAME:
1310 				p = ctx->authcid;
1311 				break;
1312 			case SASL_CB_USER:
1313 				p = ctx->authzid;
1314 				break;
1315 			case SASL_CB_PASS:
1316 				p = ctx->passwd;
1317 				break;
1318 		}
1319 		if (p) {
1320 			interact->result = p;
1321 			interact->len = strlen(interact->result);
1322 		}
1323 	}
1324 	return LDAP_SUCCESS;
1325 }
1326 /* }}} */
1327 
1328 /* {{{ Bind to LDAP directory using SASL */
PHP_FUNCTION(ldap_sasl_bind)1329 PHP_FUNCTION(ldap_sasl_bind)
1330 {
1331 	zval *link;
1332 	ldap_linkdata *ld;
1333 	char *binddn = NULL;
1334 	char *passwd = NULL;
1335 	char *sasl_mech = NULL;
1336 	char *sasl_realm = NULL;
1337 	char *sasl_authz_id = NULL;
1338 	char *sasl_authc_id = NULL;
1339 	char *props = NULL;
1340 	size_t rc, dn_len, passwd_len, mech_len, realm_len, authc_id_len, authz_id_len, props_len;
1341 	php_ldap_bictx *ctx;
1342 
1343 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O|s!s!s!s!s!s!s!", &link, ldap_link_ce, &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) {
1344 		RETURN_THROWS();
1345 	}
1346 
1347 	ld = Z_LDAP_LINK_P(link);
1348 	VERIFY_LDAP_LINK_CONNECTED(ld);
1349 
1350 	ctx = _php_sasl_setdefs(ld->link, sasl_mech, sasl_realm, sasl_authc_id, passwd, sasl_authz_id);
1351 
1352 	if (props) {
1353 		ldap_set_option(ld->link, LDAP_OPT_X_SASL_SECPROPS, props);
1354 	}
1355 
1356 	rc = ldap_sasl_interactive_bind_s(ld->link, binddn, ctx->mech, NULL, NULL, LDAP_SASL_QUIET, _php_sasl_interact, ctx);
1357 	if (rc != LDAP_SUCCESS) {
1358 		php_error_docref(NULL, E_WARNING, "Unable to bind to server: %s", ldap_err2string(rc));
1359 		RETVAL_FALSE;
1360 	} else {
1361 		RETVAL_TRUE;
1362 	}
1363 	_php_sasl_freedefs(ctx);
1364 }
1365 /* }}} */
1366 #endif /* HAVE_LDAP_SASL */
1367 
1368 /* {{{ Unbind from LDAP directory */
PHP_FUNCTION(ldap_unbind)1369 PHP_FUNCTION(ldap_unbind)
1370 {
1371 	zval *link;
1372 	ldap_linkdata *ld;
1373 
1374 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &link, ldap_link_ce) != SUCCESS) {
1375 		RETURN_THROWS();
1376 	}
1377 
1378 	ld = Z_LDAP_LINK_P(link);
1379 	VERIFY_LDAP_LINK_CONNECTED(ld);
1380 
1381 	ldap_link_free(ld);
1382 
1383 	RETURN_TRUE;
1384 }
1385 /* }}} */
1386 
1387 /* {{{ php_set_opts */
php_set_opts(LDAP * ldap,int sizelimit,int timelimit,int deref,int * old_sizelimit,int * old_timelimit,int * old_deref)1388 static void php_set_opts(LDAP *ldap, int sizelimit, int timelimit, int deref, int *old_sizelimit, int *old_timelimit, int *old_deref)
1389 {
1390 	/* sizelimit */
1391 	if (sizelimit > -1) {
1392 #if (LDAP_API_VERSION >= 2004) || defined(HAVE_ORALDAP)
1393 		ldap_get_option(ldap, LDAP_OPT_SIZELIMIT, old_sizelimit);
1394 		ldap_set_option(ldap, LDAP_OPT_SIZELIMIT, &sizelimit);
1395 #else
1396 		*old_sizelimit = ldap->ld_sizelimit;
1397 		ldap->ld_sizelimit = sizelimit;
1398 #endif
1399 	}
1400 
1401 	/* timelimit */
1402 	if (timelimit > -1) {
1403 #if (LDAP_API_VERSION >= 2004) || defined(HAVE_ORALDAP)
1404 		ldap_get_option(ldap, LDAP_OPT_TIMELIMIT, old_timelimit);
1405 		ldap_set_option(ldap, LDAP_OPT_TIMELIMIT, &timelimit);
1406 #else
1407 		*old_timelimit = ldap->ld_timelimit;
1408 		ldap->ld_timelimit = timelimit;
1409 #endif
1410 	}
1411 
1412 	/* deref */
1413 	if (deref > -1) {
1414 #if (LDAP_API_VERSION >= 2004) || defined(HAVE_ORALDAP)
1415 		ldap_get_option(ldap, LDAP_OPT_DEREF, old_deref);
1416 		ldap_set_option(ldap, LDAP_OPT_DEREF, &deref);
1417 #else
1418 		*old_deref = ldap->ld_deref;
1419 		ldap->ld_deref = deref;
1420 #endif
1421 	}
1422 }
1423 /* }}} */
1424 
1425 /* {{{ php_ldap_do_search */
php_ldap_do_search(INTERNAL_FUNCTION_PARAMETERS,int scope)1426 static void php_ldap_do_search(INTERNAL_FUNCTION_PARAMETERS, int scope)
1427 {
1428 	zval *link, *attrs = NULL, *attr, *serverctrls = NULL;
1429 	zend_string *base_dn_str, *filter_str;
1430 	HashTable *base_dn_ht, *filter_ht;
1431 	zend_long attrsonly, sizelimit, timelimit, deref;
1432 	zend_string *ldap_filter = NULL, *ldap_base_dn = NULL;
1433 	char **ldap_attrs = NULL;
1434 	ldap_linkdata *ld = NULL;
1435 	ldap_resultdata *result;
1436 	LDAPMessage *ldap_res = NULL;
1437 	LDAPControl **lserverctrls = NULL;
1438 	int ldap_attrsonly = 0, ldap_sizelimit = -1, ldap_timelimit = -1, ldap_deref = -1;
1439 	int old_ldap_sizelimit = -1, old_ldap_timelimit = -1, old_ldap_deref = -1;
1440 	int num_attribs = 0, ret = 1, i, ldap_errno, argcount = ZEND_NUM_ARGS();
1441 
1442 	ZEND_PARSE_PARAMETERS_START(3, 9)
1443 		Z_PARAM_ZVAL(link)
1444 		Z_PARAM_ARRAY_HT_OR_STR(base_dn_ht, base_dn_str)
1445 		Z_PARAM_ARRAY_HT_OR_STR(filter_ht, filter_str)
1446 		Z_PARAM_OPTIONAL
1447 		Z_PARAM_ARRAY_EX(attrs, 0, 1)
1448 		Z_PARAM_LONG(attrsonly)
1449 		Z_PARAM_LONG(sizelimit)
1450 		Z_PARAM_LONG(timelimit)
1451 		Z_PARAM_LONG(deref)
1452 		Z_PARAM_ARRAY_EX(serverctrls, 1, 1)
1453 	ZEND_PARSE_PARAMETERS_END();
1454 
1455 	/* Reverse -> fall through */
1456 	switch (argcount) {
1457 		case 9:
1458 		case 8:
1459 			ldap_deref = deref;
1460 			ZEND_FALLTHROUGH;
1461 		case 7:
1462 			ldap_timelimit = timelimit;
1463 			ZEND_FALLTHROUGH;
1464 		case 6:
1465 			ldap_sizelimit = sizelimit;
1466 			ZEND_FALLTHROUGH;
1467 		case 5:
1468 			ldap_attrsonly = attrsonly;
1469 			ZEND_FALLTHROUGH;
1470 		case 4:
1471 			num_attribs = zend_hash_num_elements(Z_ARRVAL_P(attrs));
1472 			ldap_attrs = safe_emalloc((num_attribs+1), sizeof(char *), 0);
1473 
1474 			for (i = 0; i<num_attribs; i++) {
1475 				if ((attr = zend_hash_index_find(Z_ARRVAL_P(attrs), i)) == NULL) {
1476 					php_error_docref(NULL, E_WARNING, "Array initialization wrong");
1477 					ret = 0;
1478 					goto cleanup;
1479 				}
1480 
1481 				convert_to_string(attr);
1482 				if (EG(exception)) {
1483 					ret = 0;
1484 					goto cleanup;
1485 				}
1486 				ldap_attrs[i] = Z_STRVAL_P(attr);
1487 			}
1488 			ldap_attrs[num_attribs] = NULL;
1489 			ZEND_FALLTHROUGH;
1490 		default:
1491 			break;
1492 	}
1493 
1494 	/* parallel search? */
1495 	if (Z_TYPE_P(link) == IS_ARRAY) {
1496 		int i, nlinks, nbases, nfilters, *rcs;
1497 		ldap_linkdata **lds;
1498 		zval *entry, object;
1499 
1500 		nlinks = zend_hash_num_elements(Z_ARRVAL_P(link));
1501 		if (nlinks == 0) {
1502 			zend_argument_value_error(1, "cannot be empty");
1503 			ret = 0;
1504 			goto cleanup;
1505 		}
1506 
1507 		if (base_dn_ht) {
1508 			nbases = zend_hash_num_elements(base_dn_ht);
1509 			if (nbases != nlinks) {
1510 				zend_argument_value_error(2, "must have the same number of elements as the links array");
1511 				ret = 0;
1512 				goto cleanup;
1513 			}
1514 			zend_hash_internal_pointer_reset(base_dn_ht);
1515 		} else {
1516 			nbases = 0; /* this means string, not array */
1517 			ldap_base_dn = zend_string_copy(base_dn_str);
1518 			if (EG(exception)) {
1519 				ret = 0;
1520 				goto cleanup;
1521 			}
1522 		}
1523 
1524 		if (filter_ht) {
1525 			nfilters = zend_hash_num_elements(filter_ht);
1526 			if (nfilters != nlinks) {
1527 				zend_argument_value_error(3, "must have the same number of elements as the links array");
1528 				ret = 0;
1529 				goto cleanup;
1530 			}
1531 			zend_hash_internal_pointer_reset(filter_ht);
1532 		} else {
1533 			nfilters = 0; /* this means string, not array */
1534 			ldap_filter = zend_string_copy(filter_str);
1535 		}
1536 
1537 		lds = safe_emalloc(nlinks, sizeof(ldap_linkdata), 0);
1538 		rcs = safe_emalloc(nlinks, sizeof(*rcs), 0);
1539 
1540 		zend_hash_internal_pointer_reset(Z_ARRVAL_P(link));
1541 		for (i=0; i<nlinks; i++) {
1542 			entry = zend_hash_get_current_data(Z_ARRVAL_P(link));
1543 
1544 			if (Z_TYPE_P(entry) != IS_OBJECT || !instanceof_function(Z_OBJCE_P(entry), ldap_link_ce)) {
1545 				zend_argument_value_error(1, "must only contain objects of type LDAP");
1546 				ret = 0;
1547 				goto cleanup_parallel;
1548 			}
1549 
1550 			ld = Z_LDAP_LINK_P(entry);
1551 			if (!ld->link) {
1552 				zend_throw_error(NULL, "LDAP connection has already been closed");
1553 				ret = 0;
1554 				goto cleanup_parallel;
1555 			}
1556 
1557 			if (nbases != 0) { /* base_dn an array? */
1558 				entry = zend_hash_get_current_data(base_dn_ht);
1559 				zend_hash_move_forward(base_dn_ht);
1560 				ldap_base_dn = zval_get_string(entry);
1561 				if (EG(exception)) {
1562 					ret = 0;
1563 					goto cleanup_parallel;
1564 				}
1565 			}
1566 			if (nfilters != 0) { /* filter an array? */
1567 				entry = zend_hash_get_current_data(filter_ht);
1568 				zend_hash_move_forward(filter_ht);
1569 				ldap_filter = zval_get_string(entry);
1570 				if (EG(exception)) {
1571 					ret = 0;
1572 					goto cleanup_parallel;
1573 				}
1574 			}
1575 
1576 			if (serverctrls) {
1577 				/* We have to parse controls again for each link as they use it */
1578 				_php_ldap_controls_free(&lserverctrls);
1579 				lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 9);
1580 				if (lserverctrls == NULL) {
1581 					rcs[i] = -1;
1582 					continue;
1583 				}
1584 			}
1585 
1586 			php_set_opts(ld->link, ldap_sizelimit, ldap_timelimit, ldap_deref, &old_ldap_sizelimit, &old_ldap_timelimit, &old_ldap_deref);
1587 
1588 			/* Run the actual search */
1589 			ldap_search_ext(ld->link, ZSTR_VAL(ldap_base_dn), scope, ZSTR_VAL(ldap_filter), ldap_attrs, ldap_attrsonly, lserverctrls, NULL, NULL, ldap_sizelimit, &rcs[i]);
1590 			lds[i] = ld;
1591 			zend_hash_move_forward(Z_ARRVAL_P(link));
1592 		}
1593 
1594 		array_init(return_value);
1595 
1596 		/* Collect results from the searches */
1597 		for (i=0; i<nlinks; i++) {
1598 			if (rcs[i] != -1) {
1599 				rcs[i] = ldap_result(lds[i]->link, LDAP_RES_ANY, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
1600 			}
1601 			if (rcs[i] != -1) {
1602 				object_init_ex(&object, ldap_result_ce);
1603 				result = Z_LDAP_RESULT_P(&object);
1604 				result->result = ldap_res;
1605 				add_next_index_zval(return_value, &object);
1606 			} else {
1607 				add_next_index_bool(return_value, 0);
1608 			}
1609 		}
1610 
1611 cleanup_parallel:
1612 		efree(lds);
1613 		efree(rcs);
1614 	} else if (Z_TYPE_P(link) == IS_OBJECT && instanceof_function(Z_OBJCE_P(link), ldap_link_ce)) {
1615 		ld = Z_LDAP_LINK_P(link);
1616 		if (!ld->link) {
1617 			zend_throw_error(NULL, "LDAP connection has already been closed");
1618 			ret = 0;
1619 			goto cleanup;
1620 		}
1621 
1622 		if (!base_dn_str) {
1623 			zend_argument_type_error(2, "must be of type string when argument #1 ($ldap) is an LDAP instance");
1624 			ret = 0;
1625 			goto cleanup;
1626 		}
1627 		ldap_base_dn = zend_string_copy(base_dn_str);
1628 
1629 		if (!filter_str) {
1630 			zend_argument_type_error(3, "must be of type string when argument #1 ($ldap) is an LDAP instance");
1631 			ret = 0;
1632 			goto cleanup;
1633 		}
1634 		ldap_filter = zend_string_copy(filter_str);
1635 
1636 		if (serverctrls) {
1637 			lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 9);
1638 			if (lserverctrls == NULL) {
1639 				ret = 0;
1640 				goto cleanup;
1641 			}
1642 		}
1643 
1644 		php_set_opts(ld->link, ldap_sizelimit, ldap_timelimit, ldap_deref, &old_ldap_sizelimit, &old_ldap_timelimit, &old_ldap_deref);
1645 
1646 		/* Run the actual search */
1647 		ldap_errno = ldap_search_ext_s(ld->link, ZSTR_VAL(ldap_base_dn), scope, ZSTR_VAL(ldap_filter), ldap_attrs, ldap_attrsonly, lserverctrls, NULL, NULL, ldap_sizelimit, &ldap_res);
1648 
1649 		if (ldap_errno != LDAP_SUCCESS
1650 			&& ldap_errno != LDAP_SIZELIMIT_EXCEEDED
1651 #ifdef LDAP_ADMINLIMIT_EXCEEDED
1652 			&& ldap_errno != LDAP_ADMINLIMIT_EXCEEDED
1653 #endif
1654 #ifdef LDAP_REFERRAL
1655 			&& ldap_errno != LDAP_REFERRAL
1656 #endif
1657 		) {
1658 			/* ldap_res should be freed regardless of return value of ldap_search_ext_s()
1659 			 * see: https://linux.die.net/man/3/ldap_search_ext_s */
1660 			if (ldap_res != NULL) {
1661 				ldap_msgfree(ldap_res);
1662 			}
1663 			php_error_docref(NULL, E_WARNING, "Search: %s", ldap_err2string(ldap_errno));
1664 			ret = 0;
1665 		} else {
1666 			if (ldap_errno == LDAP_SIZELIMIT_EXCEEDED) {
1667 				php_error_docref(NULL, E_WARNING, "Partial search results returned: Sizelimit exceeded");
1668 			}
1669 #ifdef LDAP_ADMINLIMIT_EXCEEDED
1670 			else if (ldap_errno == LDAP_ADMINLIMIT_EXCEEDED) {
1671 				php_error_docref(NULL, E_WARNING, "Partial search results returned: Adminlimit exceeded");
1672 			}
1673 #endif
1674 			object_init_ex(return_value, ldap_result_ce);
1675 			result = Z_LDAP_RESULT_P(return_value);
1676 			result->result = ldap_res;
1677 		}
1678 	} else {
1679 		zend_argument_type_error(1, "must be of type LDAP|array, %s given", zend_zval_value_name(link));
1680 	}
1681 
1682 cleanup:
1683 	if (ld) {
1684 		/* Restoring previous options */
1685 		php_set_opts(ld->link, old_ldap_sizelimit, old_ldap_timelimit, old_ldap_deref, &ldap_sizelimit, &ldap_timelimit, &ldap_deref);
1686 	}
1687 	if (ldap_filter) {
1688 		zend_string_release(ldap_filter);
1689 	}
1690 	if (ldap_base_dn) {
1691 		zend_string_release(ldap_base_dn);
1692 	}
1693 	if (ldap_attrs != NULL) {
1694 		efree(ldap_attrs);
1695 	}
1696 	if (!ret) {
1697 		RETVAL_BOOL(ret);
1698 	}
1699 	if (lserverctrls) {
1700 		_php_ldap_controls_free(&lserverctrls);
1701 	}
1702 }
1703 /* }}} */
1704 
1705 /* {{{ Read an entry */
PHP_FUNCTION(ldap_read)1706 PHP_FUNCTION(ldap_read)
1707 {
1708 	php_ldap_do_search(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_SCOPE_BASE);
1709 }
1710 /* }}} */
1711 
1712 /* {{{ Single-level search */
PHP_FUNCTION(ldap_list)1713 PHP_FUNCTION(ldap_list)
1714 {
1715 	php_ldap_do_search(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_SCOPE_ONELEVEL);
1716 }
1717 /* }}} */
1718 
1719 /* {{{ Search LDAP tree under base_dn */
PHP_FUNCTION(ldap_search)1720 PHP_FUNCTION(ldap_search)
1721 {
1722 	php_ldap_do_search(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_SCOPE_SUBTREE);
1723 }
1724 /* }}} */
1725 
1726 /* {{{ Free result memory */
PHP_FUNCTION(ldap_free_result)1727 PHP_FUNCTION(ldap_free_result)
1728 {
1729 	zval *result;
1730 	ldap_resultdata *ldap_result;
1731 
1732 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &result, ldap_result_ce) != SUCCESS) {
1733 		RETURN_THROWS();
1734 	}
1735 
1736 	ldap_result = Z_LDAP_RESULT_P(result);
1737 	VERIFY_LDAP_RESULT_OPEN(ldap_result);
1738 
1739 	ldap_result_free(ldap_result);
1740 
1741 	RETVAL_TRUE;
1742 }
1743 /* }}} */
1744 
1745 /* {{{ Count the number of entries in a search result */
PHP_FUNCTION(ldap_count_entries)1746 PHP_FUNCTION(ldap_count_entries)
1747 {
1748 	zval *link, *result;
1749 	ldap_linkdata *ld;
1750 	ldap_resultdata *ldap_result;
1751 
1752 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result, ldap_result_ce) != SUCCESS) {
1753 		RETURN_THROWS();
1754 	}
1755 
1756 	ld = Z_LDAP_LINK_P(link);
1757 	VERIFY_LDAP_LINK_CONNECTED(ld);
1758 
1759 	ldap_result = Z_LDAP_RESULT_P(result);
1760 	VERIFY_LDAP_RESULT_OPEN(ldap_result);
1761 
1762 	RETURN_LONG(ldap_count_entries(ld->link, ldap_result->result));
1763 }
1764 /* }}} */
1765 
1766 /* {{{ Return first result id */
PHP_FUNCTION(ldap_first_entry)1767 PHP_FUNCTION(ldap_first_entry)
1768 {
1769 	zval *link, *result;
1770 	ldap_linkdata *ld;
1771 	ldap_result_entry *resultentry;
1772 	ldap_resultdata *ldap_result;
1773 	LDAPMessage *entry;
1774 
1775 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result, ldap_result_ce) != SUCCESS) {
1776 		RETURN_THROWS();
1777 	}
1778 
1779 	ld = Z_LDAP_LINK_P(link);
1780 	VERIFY_LDAP_LINK_CONNECTED(ld);
1781 
1782 	ldap_result = Z_LDAP_RESULT_P(result);
1783 	VERIFY_LDAP_RESULT_OPEN(ldap_result);
1784 
1785 	if ((entry = ldap_first_entry(ld->link, ldap_result->result)) == NULL) {
1786 		RETVAL_FALSE;
1787 	} else {
1788 		object_init_ex(return_value, ldap_result_entry_ce);
1789 		resultentry = Z_LDAP_RESULT_ENTRY_P(return_value);
1790 		ZVAL_COPY(&resultentry->res, result);
1791 		resultentry->data = entry;
1792 		resultentry->ber = NULL;
1793 	}
1794 }
1795 /* }}} */
1796 
1797 /* {{{ Get next result entry */
PHP_FUNCTION(ldap_next_entry)1798 PHP_FUNCTION(ldap_next_entry)
1799 {
1800 	zval *link, *result_entry;
1801 	ldap_linkdata *ld;
1802 	ldap_result_entry *resultentry, *resultentry_next;
1803 	LDAPMessage *entry_next;
1804 
1805 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result_entry, ldap_result_entry_ce) != SUCCESS) {
1806 		RETURN_THROWS();
1807 	}
1808 
1809 	ld = Z_LDAP_LINK_P(link);
1810 	VERIFY_LDAP_LINK_CONNECTED(ld);
1811 
1812 	resultentry = Z_LDAP_RESULT_ENTRY_P(result_entry);
1813 
1814 	if ((entry_next = ldap_next_entry(ld->link, resultentry->data)) == NULL) {
1815 		RETVAL_FALSE;
1816 	} else {
1817 		object_init_ex(return_value, ldap_result_entry_ce);
1818 		resultentry_next = Z_LDAP_RESULT_ENTRY_P(return_value);
1819 		ZVAL_COPY(&resultentry_next->res, &resultentry->res);
1820 		resultentry_next->data = entry_next;
1821 		resultentry_next->ber = NULL;
1822 	}
1823 }
1824 /* }}} */
1825 
1826 /* {{{ Get all result entries */
PHP_FUNCTION(ldap_get_entries)1827 PHP_FUNCTION(ldap_get_entries)
1828 {
1829 	zval *link, *result;
1830 	ldap_resultdata *ldap_result;
1831 	LDAPMessage *ldap_result_entry;
1832 	zval tmp1, tmp2;
1833 	ldap_linkdata *ld;
1834 	LDAP *ldap;
1835 	int num_entries, num_attrib, num_values, i;
1836 	BerElement *ber;
1837 	char *attribute;
1838 	size_t attr_len;
1839 	struct berval **ldap_value;
1840 	char *dn;
1841 
1842 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result, ldap_result_ce) != SUCCESS) {
1843 		RETURN_THROWS();
1844 	}
1845 
1846 	ld = Z_LDAP_LINK_P(link);
1847 	VERIFY_LDAP_LINK_CONNECTED(ld);
1848 
1849 	ldap_result = Z_LDAP_RESULT_P(result);
1850 	VERIFY_LDAP_RESULT_OPEN(ldap_result);
1851 
1852 	ldap = ld->link;
1853 	num_entries = ldap_count_entries(ldap, ldap_result->result);
1854 
1855 	array_init(return_value);
1856 	add_assoc_long(return_value, "count", num_entries);
1857 
1858 	if (num_entries == 0) {
1859 		return;
1860 	}
1861 
1862 	ldap_result_entry = ldap_first_entry(ldap, ldap_result->result);
1863 	if (ldap_result_entry == NULL) {
1864 		zend_array_destroy(Z_ARR_P(return_value));
1865 		RETURN_FALSE;
1866 	}
1867 
1868 	num_entries = 0;
1869 	while (ldap_result_entry != NULL) {
1870 		array_init(&tmp1);
1871 
1872 		num_attrib = 0;
1873 		attribute = ldap_first_attribute(ldap, ldap_result_entry, &ber);
1874 
1875 		while (attribute != NULL) {
1876 			ldap_value = ldap_get_values_len(ldap, ldap_result_entry, attribute);
1877 			num_values = ldap_count_values_len(ldap_value);
1878 
1879 			array_init(&tmp2);
1880 			add_assoc_long(&tmp2, "count", num_values);
1881 			for (i = 0; i < num_values; i++) {
1882 				add_index_stringl(&tmp2, i, ldap_value[i]->bv_val, ldap_value[i]->bv_len);
1883 			}
1884 			ldap_value_free_len(ldap_value);
1885 
1886 			attr_len = strlen(attribute);
1887 			zend_str_tolower(attribute, attr_len);
1888 			zend_hash_str_update(Z_ARRVAL(tmp1), attribute, attr_len, &tmp2);
1889 			add_index_string(&tmp1, num_attrib, attribute);
1890 
1891 			num_attrib++;
1892 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
1893 			ldap_memfree(attribute);
1894 #endif
1895 			attribute = ldap_next_attribute(ldap, ldap_result_entry, ber);
1896 		}
1897 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
1898 		if (ber != NULL) {
1899 			ber_free(ber, 0);
1900 		}
1901 #endif
1902 
1903 		add_assoc_long(&tmp1, "count", num_attrib);
1904 		dn = ldap_get_dn(ldap, ldap_result_entry);
1905 		if (dn) {
1906 			add_assoc_string(&tmp1, "dn", dn);
1907 		} else {
1908 			add_assoc_null(&tmp1, "dn");
1909 		}
1910 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
1911 		ldap_memfree(dn);
1912 #else
1913 		free(dn);
1914 #endif
1915 
1916 		zend_hash_index_update(Z_ARRVAL_P(return_value), num_entries, &tmp1);
1917 
1918 		num_entries++;
1919 		ldap_result_entry = ldap_next_entry(ldap, ldap_result_entry);
1920 	}
1921 
1922 	add_assoc_long(return_value, "count", num_entries);
1923 
1924 }
1925 /* }}} */
1926 
1927 /* {{{ Return first attribute */
PHP_FUNCTION(ldap_first_attribute)1928 PHP_FUNCTION(ldap_first_attribute)
1929 {
1930 	zval *link, *result_entry;
1931 	ldap_linkdata *ld;
1932 	ldap_result_entry *resultentry;
1933 	char *attribute;
1934 
1935 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result_entry, ldap_result_entry_ce) != SUCCESS) {
1936 		RETURN_THROWS();
1937 	}
1938 
1939 	ld = Z_LDAP_LINK_P(link);
1940 	VERIFY_LDAP_LINK_CONNECTED(ld);
1941 
1942 	resultentry = Z_LDAP_RESULT_ENTRY_P(result_entry);
1943 
1944 	if ((attribute = ldap_first_attribute(ld->link, resultentry->data, &resultentry->ber)) == NULL) {
1945 		RETURN_FALSE;
1946 	} else {
1947 		RETVAL_STRING(attribute);
1948 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
1949 		ldap_memfree(attribute);
1950 #endif
1951 	}
1952 }
1953 /* }}} */
1954 
1955 /* {{{ Get the next attribute in result */
PHP_FUNCTION(ldap_next_attribute)1956 PHP_FUNCTION(ldap_next_attribute)
1957 {
1958 	zval *link, *result_entry;
1959 	ldap_linkdata *ld;
1960 	ldap_result_entry *resultentry;
1961 	char *attribute;
1962 
1963 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result_entry, ldap_result_entry_ce) != SUCCESS) {
1964 		RETURN_THROWS();
1965 	}
1966 
1967 	ld = Z_LDAP_LINK_P(link);
1968 	VERIFY_LDAP_LINK_CONNECTED(ld);
1969 
1970 	resultentry = Z_LDAP_RESULT_ENTRY_P(result_entry);
1971 
1972 	if (resultentry->ber == NULL) {
1973 		php_error_docref(NULL, E_WARNING, "Called before calling ldap_first_attribute() or no attributes found in result entry");
1974 		RETURN_FALSE;
1975 	}
1976 
1977 	if ((attribute = ldap_next_attribute(ld->link, resultentry->data, resultentry->ber)) == NULL) {
1978 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
1979 		if (resultentry->ber != NULL) {
1980 			ber_free(resultentry->ber, 0);
1981 			resultentry->ber = NULL;
1982 		}
1983 #endif
1984 		RETURN_FALSE;
1985 	} else {
1986 		RETVAL_STRING(attribute);
1987 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
1988 		ldap_memfree(attribute);
1989 #endif
1990 	}
1991 }
1992 /* }}} */
1993 
1994 /* {{{ Get attributes from a search result entry */
PHP_FUNCTION(ldap_get_attributes)1995 PHP_FUNCTION(ldap_get_attributes)
1996 {
1997 	zval *link, *result_entry;
1998 	zval tmp;
1999 	ldap_linkdata *ld;
2000 	ldap_result_entry *resultentry;
2001 	char *attribute;
2002 	struct berval **ldap_value;
2003 	int i, num_values, num_attrib;
2004 	BerElement *ber;
2005 
2006 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result_entry, ldap_result_entry_ce) != SUCCESS) {
2007 		RETURN_THROWS();
2008 	}
2009 
2010 	ld = Z_LDAP_LINK_P(link);
2011 	VERIFY_LDAP_LINK_CONNECTED(ld);
2012 
2013 	resultentry = Z_LDAP_RESULT_ENTRY_P(result_entry);
2014 
2015 	array_init(return_value);
2016 	num_attrib = 0;
2017 
2018 	attribute = ldap_first_attribute(ld->link, resultentry->data, &ber);
2019 	while (attribute != NULL) {
2020 		ldap_value = ldap_get_values_len(ld->link, resultentry->data, attribute);
2021 		num_values = ldap_count_values_len(ldap_value);
2022 
2023 		array_init(&tmp);
2024 		add_assoc_long(&tmp, "count", num_values);
2025 		for (i = 0; i < num_values; i++) {
2026 			add_index_stringl(&tmp, i, ldap_value[i]->bv_val, ldap_value[i]->bv_len);
2027 		}
2028 		ldap_value_free_len(ldap_value);
2029 
2030 		zend_hash_str_update(Z_ARRVAL_P(return_value), attribute, strlen(attribute), &tmp);
2031 		add_index_string(return_value, num_attrib, attribute);
2032 
2033 		num_attrib++;
2034 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
2035 		ldap_memfree(attribute);
2036 #endif
2037 		attribute = ldap_next_attribute(ld->link, resultentry->data, ber);
2038 	}
2039 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
2040 	if (ber != NULL) {
2041 		ber_free(ber, 0);
2042 	}
2043 #endif
2044 
2045 	add_assoc_long(return_value, "count", num_attrib);
2046 }
2047 /* }}} */
2048 
2049 /* {{{ Get all values with lengths from a result entry */
PHP_FUNCTION(ldap_get_values_len)2050 PHP_FUNCTION(ldap_get_values_len)
2051 {
2052 	zval *link, *result_entry;
2053 	ldap_linkdata *ld;
2054 	ldap_result_entry *resultentry;
2055 	char *attr;
2056 	struct berval **ldap_value_len;
2057 	int i, num_values;
2058 	size_t attr_len;
2059 
2060 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OOs", &link, ldap_link_ce, &result_entry, ldap_result_entry_ce, &attr, &attr_len) != SUCCESS) {
2061 		RETURN_THROWS();
2062 	}
2063 
2064 	ld = Z_LDAP_LINK_P(link);
2065 	VERIFY_LDAP_LINK_CONNECTED(ld);
2066 
2067 	resultentry = Z_LDAP_RESULT_ENTRY_P(result_entry);
2068 
2069 	if ((ldap_value_len = ldap_get_values_len(ld->link, resultentry->data, attr)) == NULL) {
2070 		php_error_docref(NULL, E_WARNING, "Cannot get the value(s) of attribute %s", ldap_err2string(_get_lderrno(ld->link)));
2071 		RETURN_FALSE;
2072 	}
2073 
2074 	num_values = ldap_count_values_len(ldap_value_len);
2075 	array_init(return_value);
2076 
2077 	for (i=0; i<num_values; i++) {
2078 		add_next_index_stringl(return_value, ldap_value_len[i]->bv_val, ldap_value_len[i]->bv_len);
2079 	}
2080 
2081 	add_assoc_long(return_value, "count", num_values);
2082 	ldap_value_free_len(ldap_value_len);
2083 
2084 }
2085 /* }}} */
2086 
2087 /* {{{ Get the DN of a result entry */
PHP_FUNCTION(ldap_get_dn)2088 PHP_FUNCTION(ldap_get_dn)
2089 {
2090 	zval *link, *result_entry;
2091 	ldap_linkdata *ld;
2092 	ldap_result_entry *resultentry;
2093 	char *text;
2094 
2095 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result_entry, ldap_result_entry_ce) != SUCCESS) {
2096 		RETURN_THROWS();
2097 	}
2098 
2099 	ld = Z_LDAP_LINK_P(link);
2100 	VERIFY_LDAP_LINK_CONNECTED(ld);
2101 
2102 	resultentry = Z_LDAP_RESULT_ENTRY_P(result_entry);
2103 
2104 	text = ldap_get_dn(ld->link, resultentry->data);
2105 	if (text != NULL) {
2106 		RETVAL_STRING(text);
2107 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
2108 		ldap_memfree(text);
2109 #else
2110 		free(text);
2111 #endif
2112 	} else {
2113 		RETURN_FALSE;
2114 	}
2115 }
2116 /* }}} */
2117 
2118 /* {{{ Splits DN into its component parts */
PHP_FUNCTION(ldap_explode_dn)2119 PHP_FUNCTION(ldap_explode_dn)
2120 {
2121 	zend_long with_attrib;
2122 	char *dn, **ldap_value;
2123 	int i, count;
2124 	size_t dn_len;
2125 
2126 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "sl", &dn, &dn_len, &with_attrib) != SUCCESS) {
2127 		RETURN_THROWS();
2128 	}
2129 
2130 	if (!(ldap_value = ldap_explode_dn(dn, with_attrib))) {
2131 		/* Invalid parameters were passed to ldap_explode_dn */
2132 		RETURN_FALSE;
2133 	}
2134 
2135 	i=0;
2136 	while (ldap_value[i] != NULL) i++;
2137 	count = i;
2138 
2139 	array_init(return_value);
2140 
2141 	add_assoc_long(return_value, "count", count);
2142 	for (i = 0; i<count; i++) {
2143 		add_index_string(return_value, i, ldap_value[i]);
2144 	}
2145 
2146 	ldap_memvfree((void **)ldap_value);
2147 }
2148 /* }}} */
2149 
2150 /* {{{ Convert DN to User Friendly Naming format */
PHP_FUNCTION(ldap_dn2ufn)2151 PHP_FUNCTION(ldap_dn2ufn)
2152 {
2153 	char *dn, *ufn;
2154 	size_t dn_len;
2155 
2156 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &dn, &dn_len) != SUCCESS) {
2157 		RETURN_THROWS();
2158 	}
2159 
2160 	ufn = ldap_dn2ufn(dn);
2161 
2162 	if (ufn != NULL) {
2163 		RETVAL_STRING(ufn);
2164 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) || WINDOWS
2165 		ldap_memfree(ufn);
2166 #endif
2167 	} else {
2168 		RETURN_FALSE;
2169 	}
2170 }
2171 /* }}} */
2172 
2173 
2174 /* added to fix use of ldap_modify_add for doing an ldap_add, gerrit thomson. */
2175 #define PHP_LD_FULL_ADD 0xff
2176 /* {{{ php_ldap_do_modify */
php_ldap_do_modify(INTERNAL_FUNCTION_PARAMETERS,int oper,int ext)2177 static void php_ldap_do_modify(INTERNAL_FUNCTION_PARAMETERS, int oper, int ext)
2178 {
2179 	zval *serverctrls = NULL;
2180 	zval *link, *entry, *value, *ivalue;
2181 	ldap_linkdata *ld;
2182 	char *dn;
2183 	LDAPMod **ldap_mods;
2184 	LDAPControl **lserverctrls = NULL;
2185 	ldap_resultdata *result;
2186 	LDAPMessage *ldap_res;
2187 	int i, j, num_attribs, num_values, msgid;
2188 	size_t dn_len;
2189 	int *num_berval;
2190 	zend_string *attribute;
2191 	zend_ulong index;
2192 	int is_full_add=0; /* flag for full add operation so ldap_mod_add can be put back into oper, gerrit THomson */
2193 
2194 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "Osa/|a!", &link, ldap_link_ce, &dn, &dn_len, &entry, &serverctrls) != SUCCESS) {
2195 		RETURN_THROWS();
2196 	}
2197 
2198 	ld = Z_LDAP_LINK_P(link);
2199 	VERIFY_LDAP_LINK_CONNECTED(ld);
2200 
2201 	num_attribs = zend_hash_num_elements(Z_ARRVAL_P(entry));
2202 	ldap_mods = safe_emalloc((num_attribs+1), sizeof(LDAPMod *), 0);
2203 	num_berval = safe_emalloc(num_attribs, sizeof(int), 0);
2204 	zend_hash_internal_pointer_reset(Z_ARRVAL_P(entry));
2205 
2206 	/* added by gerrit thomson to fix ldap_add using ldap_mod_add */
2207 	if (oper == PHP_LD_FULL_ADD) {
2208 		oper = LDAP_MOD_ADD;
2209 		is_full_add = 1;
2210 	}
2211 	/* end additional , gerrit thomson */
2212 
2213 	for (i = 0; i < num_attribs; i++) {
2214 		ldap_mods[i] = emalloc(sizeof(LDAPMod));
2215 		ldap_mods[i]->mod_op = oper | LDAP_MOD_BVALUES;
2216 		ldap_mods[i]->mod_type = NULL;
2217 
2218 		if (zend_hash_get_current_key(Z_ARRVAL_P(entry), &attribute, &index) == HASH_KEY_IS_STRING) {
2219 			ldap_mods[i]->mod_type = estrndup(ZSTR_VAL(attribute), ZSTR_LEN(attribute));
2220 		} else {
2221 			php_error_docref(NULL, E_WARNING, "Unknown attribute in the data");
2222 			/* Free allocated memory */
2223 			while (i >= 0) {
2224 				if (ldap_mods[i]->mod_type) {
2225 					efree(ldap_mods[i]->mod_type);
2226 				}
2227 				efree(ldap_mods[i]);
2228 				i--;
2229 			}
2230 			efree(num_berval);
2231 			efree(ldap_mods);
2232 			RETURN_FALSE;
2233 		}
2234 
2235 		value = zend_hash_get_current_data(Z_ARRVAL_P(entry));
2236 
2237 		ZVAL_DEREF(value);
2238 		if (Z_TYPE_P(value) != IS_ARRAY) {
2239 			num_values = 1;
2240 		} else {
2241 			SEPARATE_ARRAY(value);
2242 			num_values = zend_hash_num_elements(Z_ARRVAL_P(value));
2243 		}
2244 
2245 		num_berval[i] = num_values;
2246 		ldap_mods[i]->mod_bvalues = safe_emalloc((num_values + 1), sizeof(struct berval *), 0);
2247 
2248 /* allow for arrays with one element, no allowance for arrays with none but probably not required, gerrit thomson. */
2249 		if ((num_values == 1) && (Z_TYPE_P(value) != IS_ARRAY)) {
2250 			convert_to_string(value);
2251 			if (EG(exception)) {
2252 				RETVAL_FALSE;
2253 				goto cleanup;
2254 			}
2255 			ldap_mods[i]->mod_bvalues[0] = (struct berval *) emalloc (sizeof(struct berval));
2256 			ldap_mods[i]->mod_bvalues[0]->bv_val = Z_STRVAL_P(value);
2257 			ldap_mods[i]->mod_bvalues[0]->bv_len = Z_STRLEN_P(value);
2258 		} else {
2259 			for (j = 0; j < num_values; j++) {
2260 				if ((ivalue = zend_hash_index_find(Z_ARRVAL_P(value), j)) == NULL) {
2261 					zend_argument_value_error(3, "must contain arrays with consecutive integer indices starting from 0");
2262 					num_berval[i] = j;
2263 					num_attribs = i + 1;
2264 					RETVAL_FALSE;
2265 					goto cleanup;
2266 				}
2267 				convert_to_string(ivalue);
2268 				if (EG(exception)) {
2269 					RETVAL_FALSE;
2270 					goto cleanup;
2271 				}
2272 				ldap_mods[i]->mod_bvalues[j] = (struct berval *) emalloc (sizeof(struct berval));
2273 				ldap_mods[i]->mod_bvalues[j]->bv_val = Z_STRVAL_P(ivalue);
2274 				ldap_mods[i]->mod_bvalues[j]->bv_len = Z_STRLEN_P(ivalue);
2275 			}
2276 		}
2277 		ldap_mods[i]->mod_bvalues[num_values] = NULL;
2278 		zend_hash_move_forward(Z_ARRVAL_P(entry));
2279 	}
2280 	ldap_mods[num_attribs] = NULL;
2281 
2282 	if (serverctrls) {
2283 		lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 4);
2284 		if (lserverctrls == NULL) {
2285 			RETVAL_FALSE;
2286 			goto cleanup;
2287 		}
2288 	}
2289 
2290 /* check flag to see if do_mod was called to perform full add , gerrit thomson */
2291 	if (is_full_add == 1) {
2292 		if (ext) {
2293 			i = ldap_add_ext(ld->link, dn, ldap_mods, lserverctrls, NULL, &msgid);
2294 		} else {
2295 			i = ldap_add_ext_s(ld->link, dn, ldap_mods, lserverctrls, NULL);
2296 		}
2297 		if (i != LDAP_SUCCESS) {
2298 			php_error_docref(NULL, E_WARNING, "Add: %s", ldap_err2string(i));
2299 			RETVAL_FALSE;
2300 		} else if (ext) {
2301 			i = ldap_result(ld->link, msgid, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
2302 			if (i == -1) {
2303 				php_error_docref(NULL, E_WARNING, "Add operation failed");
2304 				RETVAL_FALSE;
2305 				goto cleanup;
2306 			}
2307 
2308 			/* return a PHP control object */
2309 			object_init_ex(return_value, ldap_result_ce);
2310 			result = Z_LDAP_RESULT_P(return_value);
2311 			result->result = ldap_res;
2312 		} else RETVAL_TRUE;
2313 	} else {
2314 		if (ext) {
2315 			i = ldap_modify_ext(ld->link, dn, ldap_mods, lserverctrls, NULL, &msgid);
2316 		} else {
2317 			i = ldap_modify_ext_s(ld->link, dn, ldap_mods, lserverctrls, NULL);
2318 		}
2319 		if (i != LDAP_SUCCESS) {
2320 			php_error_docref(NULL, E_WARNING, "Modify: %s", ldap_err2string(i));
2321 			RETVAL_FALSE;
2322 		} else if (ext) {
2323 			i = ldap_result(ld->link, msgid, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
2324 			if (i == -1) {
2325 				php_error_docref(NULL, E_WARNING, "Modify operation failed");
2326 				RETVAL_FALSE;
2327 				goto cleanup;
2328 			}
2329 
2330 			/* return a PHP control object */
2331 			object_init_ex(return_value, ldap_result_ce);
2332 			result = Z_LDAP_RESULT_P(return_value);
2333 			result->result = ldap_res;
2334 		} else RETVAL_TRUE;
2335 	}
2336 
2337 cleanup:
2338 	for (i = 0; i < num_attribs; i++) {
2339 		efree(ldap_mods[i]->mod_type);
2340 		for (j = 0; j < num_berval[i]; j++) {
2341 			efree(ldap_mods[i]->mod_bvalues[j]);
2342 		}
2343 		efree(ldap_mods[i]->mod_bvalues);
2344 		efree(ldap_mods[i]);
2345 	}
2346 	efree(num_berval);
2347 	efree(ldap_mods);
2348 
2349 	if (lserverctrls) {
2350 		_php_ldap_controls_free(&lserverctrls);
2351 	}
2352 
2353 	return;
2354 }
2355 /* }}} */
2356 
2357 /* {{{ Add entries to LDAP directory */
PHP_FUNCTION(ldap_add)2358 PHP_FUNCTION(ldap_add)
2359 {
2360 	/* 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 */
2361 	php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_LD_FULL_ADD, 0);
2362 }
2363 /* }}} */
2364 
2365 /* {{{ Add entries to LDAP directory */
PHP_FUNCTION(ldap_add_ext)2366 PHP_FUNCTION(ldap_add_ext)
2367 {
2368 	php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_LD_FULL_ADD, 1);
2369 }
2370 /* }}} */
2371 
2372 /* three functions for attribute base modifications, gerrit Thomson */
2373 
2374 /* {{{ Replace attribute values with new ones */
PHP_FUNCTION(ldap_mod_replace)2375 PHP_FUNCTION(ldap_mod_replace)
2376 {
2377 	php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_REPLACE, 0);
2378 }
2379 /* }}} */
2380 
2381 /* {{{ Replace attribute values with new ones */
PHP_FUNCTION(ldap_mod_replace_ext)2382 PHP_FUNCTION(ldap_mod_replace_ext)
2383 {
2384 	php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_REPLACE, 1);
2385 }
2386 /* }}} */
2387 
2388 /* {{{ Add attribute values to current */
PHP_FUNCTION(ldap_mod_add)2389 PHP_FUNCTION(ldap_mod_add)
2390 {
2391 	php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_ADD, 0);
2392 }
2393 /* }}} */
2394 
2395 /* {{{ Add attribute values to current */
PHP_FUNCTION(ldap_mod_add_ext)2396 PHP_FUNCTION(ldap_mod_add_ext)
2397 {
2398 	php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_ADD, 1);
2399 }
2400 /* }}} */
2401 
2402 /* {{{ Delete attribute values */
PHP_FUNCTION(ldap_mod_del)2403 PHP_FUNCTION(ldap_mod_del)
2404 {
2405 	php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_DELETE, 0);
2406 }
2407 /* }}} */
2408 
2409 /* {{{ Delete attribute values */
PHP_FUNCTION(ldap_mod_del_ext)2410 PHP_FUNCTION(ldap_mod_del_ext)
2411 {
2412 	php_ldap_do_modify(INTERNAL_FUNCTION_PARAM_PASSTHRU, LDAP_MOD_DELETE, 1);
2413 }
2414 /* }}} */
2415 
2416 /* {{{ php_ldap_do_delete */
php_ldap_do_delete(INTERNAL_FUNCTION_PARAMETERS,int ext)2417 static void php_ldap_do_delete(INTERNAL_FUNCTION_PARAMETERS, int ext)
2418 {
2419 	zval *serverctrls = NULL;
2420 	zval *link;
2421 	ldap_linkdata *ld;
2422 	LDAPControl **lserverctrls = NULL;
2423 	ldap_resultdata *result;
2424 	LDAPMessage *ldap_res;
2425 	char *dn;
2426 	int rc, msgid;
2427 	size_t dn_len;
2428 
2429 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "Os|a!", &link, ldap_link_ce, &dn, &dn_len, &serverctrls) != SUCCESS) {
2430 		RETURN_THROWS();
2431 	}
2432 
2433 	ld = Z_LDAP_LINK_P(link);
2434 	VERIFY_LDAP_LINK_CONNECTED(ld);
2435 
2436 	if (serverctrls) {
2437 		lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 3);
2438 		if (lserverctrls == NULL) {
2439 			RETVAL_FALSE;
2440 			goto cleanup;
2441 		}
2442 	}
2443 
2444 	if (ext) {
2445 		rc = ldap_delete_ext(ld->link, dn, lserverctrls, NULL, &msgid);
2446 	} else {
2447 		rc = ldap_delete_ext_s(ld->link, dn, lserverctrls, NULL);
2448 	}
2449 	if (rc != LDAP_SUCCESS) {
2450 		php_error_docref(NULL, E_WARNING, "Delete: %s", ldap_err2string(rc));
2451 		RETVAL_FALSE;
2452 		goto cleanup;
2453 	} else if (ext) {
2454 		rc = ldap_result(ld->link, msgid, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
2455 		if (rc == -1) {
2456 			php_error_docref(NULL, E_WARNING, "Delete operation failed");
2457 			RETVAL_FALSE;
2458 			goto cleanup;
2459 		}
2460 
2461 		/* return a PHP control object */
2462 		object_init_ex(return_value, ldap_result_ce);
2463 		result = Z_LDAP_RESULT_P(return_value);
2464 		result->result = ldap_res;
2465 	} else {
2466 		RETVAL_TRUE;
2467 	}
2468 
2469 cleanup:
2470 	if (lserverctrls) {
2471 		_php_ldap_controls_free(&lserverctrls);
2472 	}
2473 
2474 	return;
2475 }
2476 /* }}} */
2477 
2478 /* {{{ Delete an entry from a directory */
PHP_FUNCTION(ldap_delete)2479 PHP_FUNCTION(ldap_delete)
2480 {
2481 	php_ldap_do_delete(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
2482 }
2483 /* }}} */
2484 
2485 /* {{{ Delete an entry from a directory */
PHP_FUNCTION(ldap_delete_ext)2486 PHP_FUNCTION(ldap_delete_ext)
2487 {
2488 	php_ldap_do_delete(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
2489 }
2490 /* }}} */
2491 
2492 /* {{{ _ldap_str_equal_to_const */
_ldap_str_equal_to_const(const char * str,size_t str_len,const char * cstr)2493 static size_t _ldap_str_equal_to_const(const char *str, size_t str_len, const char *cstr)
2494 {
2495 	size_t i;
2496 
2497 	if (strlen(cstr) != str_len)
2498 		return 0;
2499 
2500 	for (i = 0; i < str_len; ++i) {
2501 		if (str[i] != cstr[i]) {
2502 			return 0;
2503 		}
2504 	}
2505 
2506 	return 1;
2507 }
2508 /* }}} */
2509 
2510 /* {{{ _ldap_strlen_max */
_ldap_strlen_max(const char * str,size_t max_len)2511 static size_t _ldap_strlen_max(const char *str, size_t max_len)
2512 {
2513 	size_t i;
2514 
2515 	for (i = 0; i < max_len; ++i) {
2516 		if (str[i] == '\0') {
2517 			return i;
2518 		}
2519 	}
2520 
2521 	return max_len;
2522 }
2523 /* }}} */
2524 
2525 /* {{{ _ldap_hash_fetch */
_ldap_hash_fetch(zval * hashTbl,const char * key,zval ** out)2526 static void _ldap_hash_fetch(zval *hashTbl, const char *key, zval **out)
2527 {
2528 	*out = zend_hash_str_find(Z_ARRVAL_P(hashTbl), key, strlen(key));
2529 }
2530 /* }}} */
2531 
2532 /* {{{ Perform multiple modifications as part of one operation */
PHP_FUNCTION(ldap_modify_batch)2533 PHP_FUNCTION(ldap_modify_batch)
2534 {
2535 	zval *serverctrls = NULL;
2536 	ldap_linkdata *ld;
2537 	zval *link, *mods, *mod, *modinfo;
2538 	zend_string *modval;
2539 	zval *attrib, *modtype, *vals;
2540 	zval *fetched;
2541 	char *dn;
2542 	size_t dn_len;
2543 	int i, j, k;
2544 	int num_mods, num_modprops, num_modvals;
2545 	LDAPMod **ldap_mods;
2546 	LDAPControl **lserverctrls = NULL;
2547 	uint32_t oper;
2548 
2549 	/*
2550 	$mods = array(
2551 		array(
2552 			"attrib" => "unicodePwd",
2553 			"modtype" => LDAP_MODIFY_BATCH_REMOVE,
2554 			"values" => array($oldpw)
2555 		),
2556 		array(
2557 			"attrib" => "unicodePwd",
2558 			"modtype" => LDAP_MODIFY_BATCH_ADD,
2559 			"values" => array($newpw)
2560 		),
2561 		array(
2562 			"attrib" => "userPrincipalName",
2563 			"modtype" => LDAP_MODIFY_BATCH_REPLACE,
2564 			"values" => array("janitor@corp.contoso.com")
2565 		),
2566 		array(
2567 			"attrib" => "userCert",
2568 			"modtype" => LDAP_MODIFY_BATCH_REMOVE_ALL
2569 		)
2570 	);
2571 	*/
2572 
2573 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "Osa/|a!", &link, ldap_link_ce, &dn, &dn_len, &mods, &serverctrls) != SUCCESS) {
2574 		RETURN_THROWS();
2575 	}
2576 
2577 	ld = Z_LDAP_LINK_P(link);
2578 	VERIFY_LDAP_LINK_CONNECTED(ld);
2579 
2580 	/* perform validation */
2581 	{
2582 		zend_string *modkey;
2583 		zend_long modtype;
2584 
2585 		/* to store the wrongly-typed keys */
2586 		zend_ulong tmpUlong;
2587 
2588 		/* make sure the DN contains no NUL bytes */
2589 		if (_ldap_strlen_max(dn, dn_len) != dn_len) {
2590 			zend_argument_type_error(2, "must not contain null bytes");
2591 			RETURN_THROWS();
2592 		}
2593 
2594 		/* make sure the top level is a normal array */
2595 		zend_hash_internal_pointer_reset(Z_ARRVAL_P(mods));
2596 		if (zend_hash_get_current_key_type(Z_ARRVAL_P(mods)) != HASH_KEY_IS_LONG) {
2597 			zend_argument_type_error(3, "must be integer-indexed");
2598 			RETURN_THROWS();
2599 		}
2600 
2601 		num_mods = zend_hash_num_elements(Z_ARRVAL_P(mods));
2602 
2603 		for (i = 0; i < num_mods; i++) {
2604 			/* is the numbering consecutive? */
2605 			if ((fetched = zend_hash_index_find(Z_ARRVAL_P(mods), i)) == NULL) {
2606 				zend_argument_value_error(3, "must have consecutive integer indices starting from 0");
2607 				RETURN_THROWS();
2608 			}
2609 			mod = fetched;
2610 
2611 			/* is it an array? */
2612 			if (Z_TYPE_P(mod) != IS_ARRAY) {
2613 				zend_argument_value_error(3, "must only contain arrays");
2614 				RETURN_THROWS();
2615 			}
2616 
2617 			SEPARATE_ARRAY(mod);
2618 			/* for the modification hashtable... */
2619 			zend_hash_internal_pointer_reset(Z_ARRVAL_P(mod));
2620 			num_modprops = zend_hash_num_elements(Z_ARRVAL_P(mod));
2621 
2622 			for (j = 0; j < num_modprops; j++) {
2623 				/* are the keys strings? */
2624 				if (zend_hash_get_current_key(Z_ARRVAL_P(mod), &modkey, &tmpUlong) != HASH_KEY_IS_STRING) {
2625 					zend_argument_type_error(3, "must only contain string-indexed arrays");
2626 					RETURN_THROWS();
2627 				}
2628 
2629 				/* is this a valid entry? */
2630 				if (
2631 					!_ldap_str_equal_to_const(ZSTR_VAL(modkey), ZSTR_LEN(modkey), LDAP_MODIFY_BATCH_ATTRIB) &&
2632 					!_ldap_str_equal_to_const(ZSTR_VAL(modkey), ZSTR_LEN(modkey), LDAP_MODIFY_BATCH_MODTYPE) &&
2633 					!_ldap_str_equal_to_const(ZSTR_VAL(modkey), ZSTR_LEN(modkey), LDAP_MODIFY_BATCH_VALUES)
2634 				) {
2635 					zend_argument_value_error(3, "must contain arrays only containing the \"" LDAP_MODIFY_BATCH_ATTRIB "\", \"" LDAP_MODIFY_BATCH_MODTYPE "\" and \"" LDAP_MODIFY_BATCH_VALUES "\" keys");
2636 					RETURN_THROWS();
2637 				}
2638 
2639 				fetched = zend_hash_get_current_data(Z_ARRVAL_P(mod));
2640 				modinfo = fetched;
2641 
2642 				/* does the value type match the key? */
2643 				if (_ldap_str_equal_to_const(ZSTR_VAL(modkey), ZSTR_LEN(modkey), LDAP_MODIFY_BATCH_ATTRIB)) {
2644 					if (Z_TYPE_P(modinfo) != IS_STRING) {
2645 						zend_type_error("%s(): Option \"" LDAP_MODIFY_BATCH_ATTRIB "\" must be of type string, %s given", get_active_function_name(), zend_zval_value_name(modinfo));
2646 						RETURN_THROWS();
2647 					}
2648 
2649 					if (Z_STRLEN_P(modinfo) != _ldap_strlen_max(Z_STRVAL_P(modinfo), Z_STRLEN_P(modinfo))) {
2650 						zend_type_error("%s(): Option \"" LDAP_MODIFY_BATCH_ATTRIB "\" cannot contain null-bytes", get_active_function_name());
2651 						RETURN_THROWS();
2652 					}
2653 				}
2654 				else if (_ldap_str_equal_to_const(ZSTR_VAL(modkey), ZSTR_LEN(modkey), LDAP_MODIFY_BATCH_MODTYPE)) {
2655 					if (Z_TYPE_P(modinfo) != IS_LONG) {
2656 						zend_type_error("%s(): Option \"" LDAP_MODIFY_BATCH_MODTYPE "\" must be of type int, %s given", get_active_function_name(), zend_zval_value_name(modinfo));
2657 						RETURN_THROWS();
2658 					}
2659 
2660 					/* is the value in range? */
2661 					modtype = Z_LVAL_P(modinfo);
2662 					if (
2663 						modtype != LDAP_MODIFY_BATCH_ADD &&
2664 						modtype != LDAP_MODIFY_BATCH_REMOVE &&
2665 						modtype != LDAP_MODIFY_BATCH_REPLACE &&
2666 						modtype != LDAP_MODIFY_BATCH_REMOVE_ALL
2667 					) {
2668 						zend_value_error("%s(): Option \"" LDAP_MODIFY_BATCH_MODTYPE "\" must be one of the LDAP_MODIFY_BATCH_* constants", get_active_function_name());
2669 						RETURN_THROWS();
2670 					}
2671 
2672 					/* if it's REMOVE_ALL, there must not be a values array; otherwise, there must */
2673 					if (modtype == LDAP_MODIFY_BATCH_REMOVE_ALL) {
2674 						if (zend_hash_str_exists(Z_ARRVAL_P(mod), LDAP_MODIFY_BATCH_VALUES, strlen(LDAP_MODIFY_BATCH_VALUES))) {
2675 							zend_value_error("%s(): If option \"" LDAP_MODIFY_BATCH_MODTYPE "\" is LDAP_MODIFY_BATCH_REMOVE_ALL, option \"" LDAP_MODIFY_BATCH_VALUES "\" cannot be provided", get_active_function_name());
2676 							RETURN_THROWS();
2677 						}
2678 					}
2679 					else {
2680 						if (!zend_hash_str_exists(Z_ARRVAL_P(mod), LDAP_MODIFY_BATCH_VALUES, strlen(LDAP_MODIFY_BATCH_VALUES))) {
2681 							zend_value_error("%s(): If option \"" LDAP_MODIFY_BATCH_MODTYPE "\" is not LDAP_MODIFY_BATCH_REMOVE_ALL, option \"" LDAP_MODIFY_BATCH_VALUES "\" must be provided", get_active_function_name());
2682 							RETURN_THROWS();
2683 						}
2684 					}
2685 				}
2686 				else if (_ldap_str_equal_to_const(ZSTR_VAL(modkey), ZSTR_LEN(modkey), LDAP_MODIFY_BATCH_VALUES)) {
2687 					if (Z_TYPE_P(modinfo) != IS_ARRAY) {
2688 						zend_type_error("%s(): Option \"" LDAP_MODIFY_BATCH_VALUES "\" must be of type array, %s given", get_active_function_name(), zend_zval_value_name(modinfo));
2689 						RETURN_THROWS();
2690 					}
2691 
2692 					SEPARATE_ARRAY(modinfo);
2693 					/* is the array not empty? */
2694 					zend_hash_internal_pointer_reset(Z_ARRVAL_P(modinfo));
2695 					num_modvals = zend_hash_num_elements(Z_ARRVAL_P(modinfo));
2696 					if (num_modvals == 0) {
2697 						zend_value_error("%s(): Option \"" LDAP_MODIFY_BATCH_VALUES "\" cannot be empty", get_active_function_name());
2698 						RETURN_THROWS();
2699 					}
2700 
2701 					/* are its keys integers? */
2702 					if (zend_hash_get_current_key_type(Z_ARRVAL_P(modinfo)) != HASH_KEY_IS_LONG) {
2703 						zend_value_error("%s(): Option \"" LDAP_MODIFY_BATCH_VALUES "\" must be integer-indexed", get_active_function_name());
2704 						RETURN_THROWS();
2705 					}
2706 
2707 					/* are the keys consecutive? */
2708 					for (k = 0; k < num_modvals; k++) {
2709 						if ((fetched = zend_hash_index_find(Z_ARRVAL_P(modinfo), k)) == NULL) {
2710 							zend_value_error("%s(): Option \"" LDAP_MODIFY_BATCH_VALUES "\" must have consecutive integer indices starting from 0", get_active_function_name());
2711 							RETURN_THROWS();
2712 						}
2713 					}
2714 				}
2715 
2716 				zend_hash_move_forward(Z_ARRVAL_P(mod));
2717 			}
2718 		}
2719 	}
2720 	/* validation was successful */
2721 
2722 	/* allocate array of modifications */
2723 	ldap_mods = safe_emalloc((num_mods+1), sizeof(LDAPMod *), 0);
2724 
2725 	/* for each modification */
2726 	for (i = 0; i < num_mods; i++) {
2727 		/* allocate the modification struct */
2728 		ldap_mods[i] = safe_emalloc(1, sizeof(LDAPMod), 0);
2729 
2730 		/* fetch the relevant data */
2731 		fetched = zend_hash_index_find(Z_ARRVAL_P(mods), i);
2732 		mod = fetched;
2733 
2734 		_ldap_hash_fetch(mod, LDAP_MODIFY_BATCH_ATTRIB, &attrib);
2735 		_ldap_hash_fetch(mod, LDAP_MODIFY_BATCH_MODTYPE, &modtype);
2736 		_ldap_hash_fetch(mod, LDAP_MODIFY_BATCH_VALUES, &vals);
2737 
2738 		/* map the modification type */
2739 		switch (Z_LVAL_P(modtype)) {
2740 			case LDAP_MODIFY_BATCH_ADD:
2741 				oper = LDAP_MOD_ADD;
2742 				break;
2743 			case LDAP_MODIFY_BATCH_REMOVE:
2744 			case LDAP_MODIFY_BATCH_REMOVE_ALL:
2745 				oper = LDAP_MOD_DELETE;
2746 				break;
2747 			case LDAP_MODIFY_BATCH_REPLACE:
2748 				oper = LDAP_MOD_REPLACE;
2749 				break;
2750 			default:
2751 				zend_throw_error(NULL, "Unknown and uncaught modification type.");
2752 				RETVAL_FALSE;
2753 				efree(ldap_mods[i]);
2754 				num_mods = i;
2755 				goto cleanup;
2756 		}
2757 
2758 		/* fill in the basic info */
2759 		ldap_mods[i]->mod_op = oper | LDAP_MOD_BVALUES;
2760 		ldap_mods[i]->mod_type = estrndup(Z_STRVAL_P(attrib), Z_STRLEN_P(attrib));
2761 
2762 		if (Z_LVAL_P(modtype) == LDAP_MODIFY_BATCH_REMOVE_ALL) {
2763 			/* no values */
2764 			ldap_mods[i]->mod_bvalues = NULL;
2765 		}
2766 		else {
2767 			/* allocate space for the values as part of this modification */
2768 			num_modvals = zend_hash_num_elements(Z_ARRVAL_P(vals));
2769 			ldap_mods[i]->mod_bvalues = safe_emalloc((num_modvals+1), sizeof(struct berval *), 0);
2770 
2771 			/* for each value */
2772 			for (j = 0; j < num_modvals; j++) {
2773 				/* fetch it */
2774 				fetched = zend_hash_index_find(Z_ARRVAL_P(vals), j);
2775 				modval = zval_get_string(fetched);
2776 				if (EG(exception)) {
2777 					RETVAL_FALSE;
2778 					ldap_mods[i]->mod_bvalues[j] = NULL;
2779 					num_mods = i + 1;
2780 					goto cleanup;
2781 				}
2782 
2783 				/* allocate the data struct */
2784 				ldap_mods[i]->mod_bvalues[j] = safe_emalloc(1, sizeof(struct berval), 0);
2785 
2786 				/* fill it */
2787 				ldap_mods[i]->mod_bvalues[j]->bv_len = ZSTR_LEN(modval);
2788 				ldap_mods[i]->mod_bvalues[j]->bv_val = estrndup(ZSTR_VAL(modval), ZSTR_LEN(modval));
2789 				zend_string_release(modval);
2790 			}
2791 
2792 			/* NULL-terminate values */
2793 			ldap_mods[i]->mod_bvalues[num_modvals] = NULL;
2794 		}
2795 	}
2796 
2797 	/* NULL-terminate modifications */
2798 	ldap_mods[num_mods] = NULL;
2799 
2800 	if (serverctrls) {
2801 		lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 4);
2802 		if (lserverctrls == NULL) {
2803 			RETVAL_FALSE;
2804 			goto cleanup;
2805 		}
2806 	}
2807 
2808 	/* perform (finally) */
2809 	if ((i = ldap_modify_ext_s(ld->link, dn, ldap_mods, lserverctrls, NULL)) != LDAP_SUCCESS) {
2810 		php_error_docref(NULL, E_WARNING, "Batch Modify: %s", ldap_err2string(i));
2811 		RETVAL_FALSE;
2812 	} else RETVAL_TRUE;
2813 
2814 	/* clean up */
2815 	cleanup: {
2816 		for (i = 0; i < num_mods; i++) {
2817 			/* attribute */
2818 			efree(ldap_mods[i]->mod_type);
2819 
2820 			if (ldap_mods[i]->mod_bvalues != NULL) {
2821 				/* each BER value */
2822 				for (j = 0; ldap_mods[i]->mod_bvalues[j] != NULL; j++) {
2823 					/* free the data bytes */
2824 					efree(ldap_mods[i]->mod_bvalues[j]->bv_val);
2825 
2826 					/* free the bvalue struct */
2827 					efree(ldap_mods[i]->mod_bvalues[j]);
2828 				}
2829 
2830 				/* the BER value array */
2831 				efree(ldap_mods[i]->mod_bvalues);
2832 			}
2833 
2834 			/* the modification */
2835 			efree(ldap_mods[i]);
2836 		}
2837 
2838 		/* the modifications array */
2839 		efree(ldap_mods);
2840 
2841 		if (lserverctrls) {
2842 			_php_ldap_controls_free(&lserverctrls);
2843 		}
2844 	}
2845 }
2846 /* }}} */
2847 
2848 /* {{{ Get the current ldap error number */
PHP_FUNCTION(ldap_errno)2849 PHP_FUNCTION(ldap_errno)
2850 {
2851 	zval *link;
2852 	ldap_linkdata *ld;
2853 
2854 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &link, ldap_link_ce) != SUCCESS) {
2855 		RETURN_THROWS();
2856 	}
2857 
2858 	ld = Z_LDAP_LINK_P(link);
2859 	VERIFY_LDAP_LINK_CONNECTED(ld);
2860 
2861 	RETURN_LONG(_get_lderrno(ld->link));
2862 }
2863 /* }}} */
2864 
2865 /* {{{ Convert error number to error string */
PHP_FUNCTION(ldap_err2str)2866 PHP_FUNCTION(ldap_err2str)
2867 {
2868 	zend_long perrno;
2869 
2870 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &perrno) != SUCCESS) {
2871 		RETURN_THROWS();
2872 	}
2873 
2874 	RETURN_STRING(ldap_err2string(perrno));
2875 }
2876 /* }}} */
2877 
2878 /* {{{ Get the current ldap error string */
PHP_FUNCTION(ldap_error)2879 PHP_FUNCTION(ldap_error)
2880 {
2881 	zval *link;
2882 	ldap_linkdata *ld;
2883 	int ld_errno;
2884 
2885 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &link, ldap_link_ce) != SUCCESS) {
2886 		RETURN_THROWS();
2887 	}
2888 
2889 	ld = Z_LDAP_LINK_P(link);
2890 	VERIFY_LDAP_LINK_CONNECTED(ld);
2891 
2892 	ld_errno = _get_lderrno(ld->link);
2893 
2894 	RETURN_STRING(ldap_err2string(ld_errno));
2895 }
2896 /* }}} */
2897 
2898 /* {{{ Determine if an entry has a specific value for one of its attributes */
PHP_FUNCTION(ldap_compare)2899 PHP_FUNCTION(ldap_compare)
2900 {
2901 	zval *serverctrls = NULL;
2902 	zval *link;
2903 	char *dn, *attr, *value;
2904 	size_t dn_len, attr_len, value_len;
2905 	ldap_linkdata *ld;
2906 	LDAPControl **lserverctrls = NULL;
2907 	int ldap_errno;
2908 	struct berval lvalue;
2909 
2910 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "Osss|a!", &link, ldap_link_ce, &dn, &dn_len, &attr, &attr_len, &value, &value_len, &serverctrls) != SUCCESS) {
2911 		RETURN_THROWS();
2912 	}
2913 
2914 	ld = Z_LDAP_LINK_P(link);
2915 	VERIFY_LDAP_LINK_CONNECTED(ld);
2916 
2917 	if (serverctrls) {
2918 		lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 5);
2919 		if (lserverctrls == NULL) {
2920 			RETVAL_FALSE;
2921 			goto cleanup;
2922 		}
2923 	}
2924 
2925 	lvalue.bv_val = value;
2926 	lvalue.bv_len = value_len;
2927 
2928 	ldap_errno = ldap_compare_ext_s(ld->link, dn, attr, &lvalue, lserverctrls, NULL);
2929 
2930 	switch (ldap_errno) {
2931 		case LDAP_COMPARE_TRUE:
2932 			RETVAL_TRUE;
2933 			break;
2934 
2935 		case LDAP_COMPARE_FALSE:
2936 			RETVAL_FALSE;
2937 			break;
2938 
2939 		default:
2940 			php_error_docref(NULL, E_WARNING, "Compare: %s", ldap_err2string(ldap_errno));
2941 			RETVAL_LONG(-1);
2942 	}
2943 
2944 cleanup:
2945 	if (lserverctrls) {
2946 		_php_ldap_controls_free(&lserverctrls);
2947 	}
2948 
2949 	return;
2950 }
2951 /* }}} */
2952 
2953 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP)
2954 /* {{{ Get the current value of various session-wide parameters */
PHP_FUNCTION(ldap_get_option)2955 PHP_FUNCTION(ldap_get_option)
2956 {
2957 	zval *link, *retval;
2958 	ldap_linkdata *ld;
2959 	zend_long option;
2960 
2961 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "Olz", &link, ldap_link_ce, &option, &retval) != SUCCESS) {
2962 		RETURN_THROWS();
2963 	}
2964 
2965 	ld = Z_LDAP_LINK_P(link);
2966 	VERIFY_LDAP_LINK_CONNECTED(ld);
2967 
2968 	switch (option) {
2969 	/* options with int value */
2970 	case LDAP_OPT_DEREF:
2971 	case LDAP_OPT_SIZELIMIT:
2972 	case LDAP_OPT_TIMELIMIT:
2973 	case LDAP_OPT_PROTOCOL_VERSION:
2974 	case LDAP_OPT_ERROR_NUMBER:
2975 	case LDAP_OPT_REFERRALS:
2976 #ifdef LDAP_OPT_RESTART
2977 	case LDAP_OPT_RESTART:
2978 #endif
2979 #ifdef LDAP_OPT_X_SASL_NOCANON
2980 	case LDAP_OPT_X_SASL_NOCANON:
2981 #endif
2982 #ifdef LDAP_OPT_X_TLS_REQUIRE_CERT
2983 	case LDAP_OPT_X_TLS_REQUIRE_CERT:
2984 #endif
2985 #ifdef LDAP_OPT_X_TLS_CRLCHECK
2986 	case LDAP_OPT_X_TLS_CRLCHECK:
2987 #endif
2988 #ifdef LDAP_OPT_X_TLS_PROTOCOL_MIN
2989 	case LDAP_OPT_X_TLS_PROTOCOL_MIN:
2990 #endif
2991 #ifdef LDAP_OPT_X_KEEPALIVE_IDLE
2992 	case LDAP_OPT_X_KEEPALIVE_IDLE:
2993 	case LDAP_OPT_X_KEEPALIVE_PROBES:
2994 	case LDAP_OPT_X_KEEPALIVE_INTERVAL:
2995 #endif
2996 		{
2997 			int val;
2998 
2999 			if (ldap_get_option(ld->link, option, &val)) {
3000 				RETURN_FALSE;
3001 			}
3002 			ZEND_TRY_ASSIGN_REF_LONG(retval, val);
3003 		} break;
3004 #ifdef LDAP_OPT_NETWORK_TIMEOUT
3005 	case LDAP_OPT_NETWORK_TIMEOUT:
3006 		{
3007 			struct timeval *timeout = NULL;
3008 
3009 			if (ldap_get_option(ld->link, LDAP_OPT_NETWORK_TIMEOUT, (void *) &timeout)) {
3010 				if (timeout) {
3011 					ldap_memfree(timeout);
3012 				}
3013 				RETURN_FALSE;
3014 			}
3015 			if (!timeout) {
3016 				RETURN_FALSE;
3017 			}
3018 			ZEND_TRY_ASSIGN_REF_LONG(retval, timeout->tv_sec);
3019 			ldap_memfree(timeout);
3020 		} break;
3021 #elif defined(LDAP_X_OPT_CONNECT_TIMEOUT)
3022 	case LDAP_X_OPT_CONNECT_TIMEOUT:
3023 		{
3024 			int timeout;
3025 
3026 			if (ldap_get_option(ld->link, LDAP_X_OPT_CONNECT_TIMEOUT, &timeout)) {
3027 				RETURN_FALSE;
3028 			}
3029 			ZEND_TRY_ASSIGN_REF_LONG(retval, (timeout / 1000));
3030 		} break;
3031 #endif
3032 #ifdef LDAP_OPT_TIMEOUT
3033 	case LDAP_OPT_TIMEOUT:
3034 		{
3035 			struct timeval *timeout = NULL;
3036 
3037 			if (ldap_get_option(ld->link, LDAP_OPT_TIMEOUT, (void *) &timeout)) {
3038 				if (timeout) {
3039 					ldap_memfree(timeout);
3040 				}
3041 				RETURN_FALSE;
3042 			}
3043 			if (!timeout) {
3044 				RETURN_FALSE;
3045 			}
3046 			ZEND_TRY_ASSIGN_REF_LONG(retval, timeout->tv_sec);
3047 			ldap_memfree(timeout);
3048 		} break;
3049 #endif
3050 	/* options with string value */
3051 	case LDAP_OPT_ERROR_STRING:
3052 #ifdef LDAP_OPT_HOST_NAME
3053 	case LDAP_OPT_HOST_NAME:
3054 #endif
3055 #ifdef HAVE_LDAP_SASL
3056 	case LDAP_OPT_X_SASL_MECH:
3057 	case LDAP_OPT_X_SASL_REALM:
3058 	case LDAP_OPT_X_SASL_AUTHCID:
3059 	case LDAP_OPT_X_SASL_AUTHZID:
3060 #endif
3061 #ifdef LDAP_OPT_X_SASL_USERNAME
3062 	case LDAP_OPT_X_SASL_USERNAME:
3063 #endif
3064 #if (LDAP_API_VERSION > 2000)
3065 	case LDAP_OPT_X_TLS_CACERTDIR:
3066 	case LDAP_OPT_X_TLS_CACERTFILE:
3067 	case LDAP_OPT_X_TLS_CERTFILE:
3068 	case LDAP_OPT_X_TLS_CIPHER_SUITE:
3069 	case LDAP_OPT_X_TLS_KEYFILE:
3070 	case LDAP_OPT_X_TLS_RANDOM_FILE:
3071 #endif
3072 #ifdef LDAP_OPT_X_TLS_PACKAGE
3073 	case LDAP_OPT_X_TLS_PACKAGE:
3074 #endif
3075 #ifdef LDAP_OPT_X_TLS_CRLFILE
3076 	case LDAP_OPT_X_TLS_CRLFILE:
3077 #endif
3078 #ifdef LDAP_OPT_X_TLS_DHFILE
3079 	case LDAP_OPT_X_TLS_DHFILE:
3080 #endif
3081 #ifdef LDAP_OPT_MATCHED_DN
3082 	case LDAP_OPT_MATCHED_DN:
3083 #endif
3084 		{
3085 			char *val = NULL;
3086 
3087 			if (ldap_get_option(ld->link, option, &val) || val == NULL || *val == '\0') {
3088 				if (val) {
3089 					ldap_memfree(val);
3090 				}
3091 				RETURN_FALSE;
3092 			}
3093 			ZEND_TRY_ASSIGN_REF_STRING(retval, val);
3094 			ldap_memfree(val);
3095 		} break;
3096 	case LDAP_OPT_SERVER_CONTROLS:
3097 	case LDAP_OPT_CLIENT_CONTROLS:
3098 		{
3099 			LDAPControl **ctrls = NULL;
3100 
3101 			if (ldap_get_option(ld->link, option, &ctrls) || ctrls == NULL) {
3102 				if (ctrls) {
3103 					ldap_memfree(ctrls);
3104 				}
3105 				RETURN_FALSE;
3106 			}
3107 			_php_ldap_controls_to_array(ld->link, ctrls, retval, 1);
3108 		} break;
3109 /* options not implemented
3110 	case LDAP_OPT_API_INFO:
3111 	case LDAP_OPT_API_FEATURE_INFO:
3112 */
3113 	default:
3114 		RETURN_FALSE;
3115 	}
3116 	RETURN_TRUE;
3117 }
3118 /* }}} */
3119 
3120 /* {{{ Set the value of various session-wide parameters */
PHP_FUNCTION(ldap_set_option)3121 PHP_FUNCTION(ldap_set_option)
3122 {
3123 	zval *link = NULL, *newval;
3124 	ldap_linkdata *ld;
3125 	LDAP *ldap;
3126 	zend_long option;
3127 
3128 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O!lz", &link, ldap_link_ce, &option, &newval) != SUCCESS) {
3129 		RETURN_THROWS();
3130 	}
3131 
3132 	if (!link) {
3133 		ldap = NULL;
3134 	} else {
3135 		ld = Z_LDAP_LINK_P(link);
3136 		VERIFY_LDAP_LINK_CONNECTED(ld);
3137 		ldap = ld->link;
3138 	}
3139 
3140 	switch (option) {
3141 	/* options with int value */
3142 	case LDAP_OPT_DEREF:
3143 	case LDAP_OPT_SIZELIMIT:
3144 	case LDAP_OPT_TIMELIMIT:
3145 	case LDAP_OPT_PROTOCOL_VERSION:
3146 	case LDAP_OPT_ERROR_NUMBER:
3147 #ifdef LDAP_OPT_DEBUG_LEVEL
3148 	case LDAP_OPT_DEBUG_LEVEL:
3149 #endif
3150 #ifdef LDAP_OPT_X_TLS_REQUIRE_CERT
3151 	case LDAP_OPT_X_TLS_REQUIRE_CERT:
3152 #endif
3153 #ifdef LDAP_OPT_X_TLS_CRLCHECK
3154 	case LDAP_OPT_X_TLS_CRLCHECK:
3155 #endif
3156 #ifdef LDAP_OPT_X_TLS_PROTOCOL_MIN
3157 	case LDAP_OPT_X_TLS_PROTOCOL_MIN:
3158 #endif
3159 #ifdef LDAP_OPT_X_KEEPALIVE_IDLE
3160 	case LDAP_OPT_X_KEEPALIVE_IDLE:
3161 	case LDAP_OPT_X_KEEPALIVE_PROBES:
3162 	case LDAP_OPT_X_KEEPALIVE_INTERVAL:
3163 #endif
3164 		{
3165 			int val;
3166 
3167 			convert_to_long(newval);
3168 			if (ZEND_LONG_EXCEEDS_INT(Z_LVAL_P(newval))) {
3169 				zend_argument_value_error(3, "is too large");
3170 				RETURN_THROWS();
3171 			}
3172 			val = (int)Z_LVAL_P(newval);
3173 			if (ldap_set_option(ldap, option, &val)) {
3174 				RETURN_FALSE;
3175 			}
3176 		} break;
3177 #ifdef LDAP_OPT_NETWORK_TIMEOUT
3178 	case LDAP_OPT_NETWORK_TIMEOUT:
3179 		{
3180 			struct timeval timeout;
3181 
3182 			convert_to_long(newval);
3183 			timeout.tv_sec = Z_LVAL_P(newval);
3184 			timeout.tv_usec = 0;
3185 			if (ldap_set_option(ldap, LDAP_OPT_NETWORK_TIMEOUT, (void *) &timeout)) {
3186 				RETURN_FALSE;
3187 			}
3188 		} break;
3189 #elif defined(LDAP_X_OPT_CONNECT_TIMEOUT)
3190 	case LDAP_X_OPT_CONNECT_TIMEOUT:
3191 		{
3192 			int timeout;
3193 
3194 			convert_to_long(newval);
3195 			timeout = 1000 * Z_LVAL_P(newval); /* Convert to milliseconds */
3196 			if (ldap_set_option(ldap, LDAP_X_OPT_CONNECT_TIMEOUT, &timeout)) {
3197 				RETURN_FALSE;
3198 			}
3199 		} break;
3200 #endif
3201 #ifdef LDAP_OPT_TIMEOUT
3202 	case LDAP_OPT_TIMEOUT:
3203 		{
3204 			struct timeval timeout;
3205 
3206 			convert_to_long(newval);
3207 			timeout.tv_sec = Z_LVAL_P(newval);
3208 			timeout.tv_usec = 0;
3209 			if (ldap_set_option(ldap, LDAP_OPT_TIMEOUT, (void *) &timeout)) {
3210 				RETURN_FALSE;
3211 			}
3212 		} break;
3213 #endif
3214 		/* options with string value */
3215 	case LDAP_OPT_ERROR_STRING:
3216 #ifdef LDAP_OPT_HOST_NAME
3217 	case LDAP_OPT_HOST_NAME:
3218 #endif
3219 #ifdef HAVE_LDAP_SASL
3220 	case LDAP_OPT_X_SASL_MECH:
3221 	case LDAP_OPT_X_SASL_REALM:
3222 	case LDAP_OPT_X_SASL_AUTHCID:
3223 	case LDAP_OPT_X_SASL_AUTHZID:
3224 #endif
3225 #if (LDAP_API_VERSION > 2000)
3226 	case LDAP_OPT_X_TLS_CACERTDIR:
3227 	case LDAP_OPT_X_TLS_CACERTFILE:
3228 	case LDAP_OPT_X_TLS_CERTFILE:
3229 	case LDAP_OPT_X_TLS_CIPHER_SUITE:
3230 	case LDAP_OPT_X_TLS_KEYFILE:
3231 	case LDAP_OPT_X_TLS_RANDOM_FILE:
3232 #endif
3233 #ifdef LDAP_OPT_X_TLS_CRLFILE
3234 	case LDAP_OPT_X_TLS_CRLFILE:
3235 #endif
3236 #ifdef LDAP_OPT_X_TLS_DHFILE
3237 	case LDAP_OPT_X_TLS_DHFILE:
3238 #endif
3239 #ifdef LDAP_OPT_MATCHED_DN
3240 	case LDAP_OPT_MATCHED_DN:
3241 #endif
3242 		{
3243 			zend_string *val;
3244 			val = zval_get_string(newval);
3245 			if (EG(exception)) {
3246 				RETURN_THROWS();
3247 			}
3248 			if (ldap_set_option(ldap, option, ZSTR_VAL(val))) {
3249 				zend_string_release(val);
3250 				RETURN_FALSE;
3251 			}
3252 			zend_string_release(val);
3253 		} break;
3254 		/* options with boolean value */
3255 	case LDAP_OPT_REFERRALS:
3256 #ifdef LDAP_OPT_RESTART
3257 	case LDAP_OPT_RESTART:
3258 #endif
3259 #ifdef LDAP_OPT_X_SASL_NOCANON
3260 	case LDAP_OPT_X_SASL_NOCANON:
3261 #endif
3262 		{
3263 			void *val;
3264 			val = zend_is_true(newval) ? LDAP_OPT_ON : LDAP_OPT_OFF;
3265 			if (ldap_set_option(ldap, option, val)) {
3266 				RETURN_FALSE;
3267 			}
3268 		} break;
3269 		/* options with control list value */
3270 	case LDAP_OPT_SERVER_CONTROLS:
3271 	case LDAP_OPT_CLIENT_CONTROLS:
3272 		{
3273 			LDAPControl **ctrls;
3274 			int rc;
3275 
3276 			if (Z_TYPE_P(newval) != IS_ARRAY) {
3277 				zend_argument_type_error(3, "must be of type array for the LDAP_OPT_CLIENT_CONTROLS option, %s given", zend_zval_value_name(newval));
3278 				RETURN_THROWS();
3279 			}
3280 
3281 			ctrls = _php_ldap_controls_from_array(ldap, newval, 3);
3282 
3283 			if (ctrls == NULL) {
3284 				RETURN_FALSE;
3285 			} else {
3286 				rc = ldap_set_option(ldap, option, ctrls);
3287 				_php_ldap_controls_free(&ctrls);
3288 				if (rc != LDAP_SUCCESS) {
3289 					RETURN_FALSE;
3290 				}
3291 			}
3292 		} break;
3293 	default:
3294 		RETURN_FALSE;
3295 	}
3296 	RETURN_TRUE;
3297 }
3298 /* }}} */
3299 
3300 #ifdef HAVE_LDAP_PARSE_RESULT
3301 /* {{{ Extract information from result */
PHP_FUNCTION(ldap_parse_result)3302 PHP_FUNCTION(ldap_parse_result)
3303 {
3304 	zval *link, *result, *errcode, *matcheddn, *errmsg, *referrals, *serverctrls;
3305 	ldap_linkdata *ld;
3306 	ldap_resultdata *ldap_result;
3307 	LDAPControl **lserverctrls = NULL;
3308 	char **lreferrals, **refp;
3309 	char *lmatcheddn, *lerrmsg;
3310 	int rc, lerrcode, myargcount = ZEND_NUM_ARGS();
3311 
3312 	if (zend_parse_parameters(myargcount, "OOz|zzzz", &link, ldap_link_ce, &result, ldap_result_ce, &errcode, &matcheddn, &errmsg, &referrals, &serverctrls) != SUCCESS) {
3313 		RETURN_THROWS();
3314 	}
3315 
3316 	ld = Z_LDAP_LINK_P(link);
3317 	VERIFY_LDAP_LINK_CONNECTED(ld);
3318 
3319 	ldap_result = Z_LDAP_RESULT_P(result);
3320 	VERIFY_LDAP_RESULT_OPEN(ldap_result);
3321 
3322 	rc = ldap_parse_result(ld->link, ldap_result->result, &lerrcode,
3323 				myargcount > 3 ? &lmatcheddn : NULL,
3324 				myargcount > 4 ? &lerrmsg : NULL,
3325 				myargcount > 5 ? &lreferrals : NULL,
3326 				myargcount > 6 ? &lserverctrls : NULL,
3327 				0);
3328 	if (rc != LDAP_SUCCESS) {
3329 		php_error_docref(NULL, E_WARNING, "Unable to parse result: %s", ldap_err2string(rc));
3330 		RETURN_FALSE;
3331 	}
3332 
3333 	ZEND_TRY_ASSIGN_REF_LONG(errcode, lerrcode);
3334 
3335 	/* Reverse -> fall through */
3336 	switch (myargcount) {
3337 		case 7:
3338 			_php_ldap_controls_to_array(ld->link, lserverctrls, serverctrls, 0);
3339 			ZEND_FALLTHROUGH;
3340 		case 6:
3341 			referrals = zend_try_array_init(referrals);
3342 			if (!referrals) {
3343 				RETURN_THROWS();
3344 			}
3345 			if (lreferrals != NULL) {
3346 				refp = lreferrals;
3347 				while (*refp) {
3348 					add_next_index_string(referrals, *refp);
3349 					refp++;
3350 				}
3351 				ldap_memvfree((void**)lreferrals);
3352 			}
3353 			ZEND_FALLTHROUGH;
3354 		case 5:
3355 			if (lerrmsg == NULL) {
3356 				ZEND_TRY_ASSIGN_REF_EMPTY_STRING(errmsg);
3357 			} else {
3358 				ZEND_TRY_ASSIGN_REF_STRING(errmsg, lerrmsg);
3359 				ldap_memfree(lerrmsg);
3360 			}
3361 			ZEND_FALLTHROUGH;
3362 		case 4:
3363 			if (lmatcheddn == NULL) {
3364 				ZEND_TRY_ASSIGN_REF_EMPTY_STRING(matcheddn);
3365 			} else {
3366 				ZEND_TRY_ASSIGN_REF_STRING(matcheddn, lmatcheddn);
3367 				ldap_memfree(lmatcheddn);
3368 			}
3369 	}
3370 	RETURN_TRUE;
3371 }
3372 /* }}} */
3373 #endif
3374 
3375 /* {{{ Extended operation response parsing, Pierangelo Masarati */
3376 #ifdef HAVE_LDAP_PARSE_EXTENDED_RESULT
3377 /* {{{ Extract information from extended operation result */
PHP_FUNCTION(ldap_parse_exop)3378 PHP_FUNCTION(ldap_parse_exop)
3379 {
3380 	zval *link, *result, *retdata, *retoid;
3381 	ldap_linkdata *ld;
3382 	ldap_resultdata *ldap_result;
3383 	char *lretoid;
3384 	struct berval *lretdata;
3385 	int rc, myargcount = ZEND_NUM_ARGS();
3386 
3387 	if (zend_parse_parameters(myargcount, "OO|zz", &link, ldap_link_ce, &result, ldap_result_ce, &retdata, &retoid) != SUCCESS) {
3388 		RETURN_THROWS();
3389 	}
3390 
3391 	ld = Z_LDAP_LINK_P(link);
3392 	VERIFY_LDAP_LINK_CONNECTED(ld);
3393 
3394 	ldap_result = Z_LDAP_RESULT_P(result);
3395 	VERIFY_LDAP_RESULT_OPEN(ldap_result);
3396 
3397 	rc = ldap_parse_extended_result(ld->link, ldap_result->result,
3398 				myargcount > 3 ? &lretoid: NULL,
3399 				myargcount > 2 ? &lretdata: NULL,
3400 				0);
3401 	if (rc != LDAP_SUCCESS) {
3402 		php_error_docref(NULL, E_WARNING, "Unable to parse extended operation result: %s", ldap_err2string(rc));
3403 		RETURN_FALSE;
3404 	}
3405 
3406 	/* Reverse -> fall through */
3407 	switch (myargcount) {
3408 		case 4:
3409 			if (lretoid == NULL) {
3410 				ZEND_TRY_ASSIGN_REF_EMPTY_STRING(retoid);
3411 			} else {
3412 				ZEND_TRY_ASSIGN_REF_STRING(retoid, lretoid);
3413 				ldap_memfree(lretoid);
3414 			}
3415 			ZEND_FALLTHROUGH;
3416 		case 3:
3417 			/* use arg #3 as the data returned by the server */
3418 			if (lretdata == NULL) {
3419 				ZEND_TRY_ASSIGN_REF_EMPTY_STRING(retdata);
3420 			} else {
3421 				ZEND_TRY_ASSIGN_REF_STRINGL(retdata, lretdata->bv_val, lretdata->bv_len);
3422 				ldap_memfree(lretdata->bv_val);
3423 				ldap_memfree(lretdata);
3424 			}
3425 	}
3426 	RETURN_TRUE;
3427 }
3428 /* }}} */
3429 #endif
3430 /* }}} */
3431 
3432 /* {{{ Count the number of references in a search result */
PHP_FUNCTION(ldap_count_references)3433 PHP_FUNCTION(ldap_count_references)
3434 {
3435 	zval *link, *result;
3436 	ldap_linkdata *ld;
3437 	ldap_resultdata *ldap_result;
3438 
3439 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result, ldap_result_ce) != SUCCESS) {
3440 		RETURN_THROWS();
3441 	}
3442 
3443 	ld = Z_LDAP_LINK_P(link);
3444 	VERIFY_LDAP_LINK_CONNECTED(ld);
3445 
3446 	ldap_result = Z_LDAP_RESULT_P(result);
3447 	VERIFY_LDAP_RESULT_OPEN(ldap_result);
3448 
3449 	RETURN_LONG(ldap_count_references(ld->link, ldap_result->result));
3450 }
3451 /* }}} */
3452 
3453 /* {{{ Return first reference */
PHP_FUNCTION(ldap_first_reference)3454 PHP_FUNCTION(ldap_first_reference)
3455 {
3456 	zval *link, *result;
3457 	ldap_linkdata *ld;
3458 	ldap_result_entry *resultentry;
3459 	ldap_resultdata *ldap_result;
3460 	LDAPMessage *entry;
3461 
3462 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result, ldap_result_ce) != SUCCESS) {
3463 		RETURN_THROWS();
3464 	}
3465 
3466 	ld = Z_LDAP_LINK_P(link);
3467 	VERIFY_LDAP_LINK_CONNECTED(ld);
3468 
3469 	ldap_result = Z_LDAP_RESULT_P(result);
3470 	VERIFY_LDAP_RESULT_OPEN(ldap_result);
3471 
3472 	if ((entry = ldap_first_reference(ld->link, ldap_result->result)) == NULL) {
3473 		RETVAL_FALSE;
3474 	} else {
3475 		object_init_ex(return_value, ldap_result_entry_ce);
3476 		resultentry = Z_LDAP_RESULT_ENTRY_P(return_value);
3477 		ZVAL_COPY(&resultentry->res, result);
3478 		resultentry->data = entry;
3479 		resultentry->ber = NULL;
3480 	}
3481 }
3482 /* }}} */
3483 
3484 /* {{{ Get next reference */
PHP_FUNCTION(ldap_next_reference)3485 PHP_FUNCTION(ldap_next_reference)
3486 {
3487 	zval *link, *result_entry;
3488 	ldap_linkdata *ld;
3489 	ldap_result_entry *resultentry, *resultentry_next;
3490 	LDAPMessage *entry_next;
3491 
3492 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &link, ldap_link_ce, &result_entry, ldap_result_entry_ce) != SUCCESS) {
3493 		RETURN_THROWS();
3494 	}
3495 
3496 	ld = Z_LDAP_LINK_P(link);
3497 	VERIFY_LDAP_LINK_CONNECTED(ld);
3498 
3499 	resultentry = Z_LDAP_RESULT_ENTRY_P(result_entry);
3500 
3501 	if ((entry_next = ldap_next_reference(ld->link, resultentry->data)) == NULL) {
3502 		RETVAL_FALSE;
3503 	} else {
3504 		object_init_ex(return_value, ldap_result_entry_ce);
3505 		resultentry_next = Z_LDAP_RESULT_ENTRY_P(return_value);
3506 		ZVAL_COPY(&resultentry_next->res, &resultentry->res);
3507 		resultentry_next->data = entry_next;
3508 		resultentry_next->ber = NULL;
3509 	}
3510 }
3511 /* }}} */
3512 
3513 #ifdef HAVE_LDAP_PARSE_REFERENCE
3514 /* {{{ Extract information from reference entry */
PHP_FUNCTION(ldap_parse_reference)3515 PHP_FUNCTION(ldap_parse_reference)
3516 {
3517 	zval *link, *result_entry, *referrals;
3518 	ldap_linkdata *ld;
3519 	ldap_result_entry *resultentry;
3520 	char **lreferrals, **refp;
3521 
3522 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OOz", &link, ldap_link_ce, &result_entry, ldap_result_entry_ce, &referrals) != SUCCESS) {
3523 		RETURN_THROWS();
3524 	}
3525 
3526 	ld = Z_LDAP_LINK_P(link);
3527 	VERIFY_LDAP_LINK_CONNECTED(ld);
3528 
3529 	resultentry = Z_LDAP_RESULT_ENTRY_P(result_entry);
3530 
3531 	if (ldap_parse_reference(ld->link, resultentry->data, &lreferrals, NULL /* &serverctrls */, 0) != LDAP_SUCCESS) {
3532 		RETURN_FALSE;
3533 	}
3534 
3535 	referrals = zend_try_array_init(referrals);
3536 	if (!referrals) {
3537 		RETURN_THROWS();
3538 	}
3539 
3540 	if (lreferrals != NULL) {
3541 		refp = lreferrals;
3542 		while (*refp) {
3543 			add_next_index_string(referrals, *refp);
3544 			refp++;
3545 		}
3546 		ldap_memvfree((void**)lreferrals);
3547 	}
3548 	RETURN_TRUE;
3549 }
3550 /* }}} */
3551 #endif
3552 
3553 /* {{{ php_ldap_do_rename */
php_ldap_do_rename(INTERNAL_FUNCTION_PARAMETERS,int ext)3554 static void php_ldap_do_rename(INTERNAL_FUNCTION_PARAMETERS, int ext)
3555 {
3556 	zval *serverctrls = NULL;
3557 	zval *link;
3558 	ldap_linkdata *ld;
3559 	LDAPControl **lserverctrls = NULL;
3560 	ldap_resultdata *result;
3561 	LDAPMessage *ldap_res;
3562 	int rc, msgid;
3563 	char *dn, *newrdn, *newparent;
3564 	size_t dn_len, newrdn_len, newparent_len;
3565 	bool deleteoldrdn;
3566 
3567 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "Osssb|a!", &link, ldap_link_ce, &dn, &dn_len, &newrdn, &newrdn_len, &newparent, &newparent_len, &deleteoldrdn, &serverctrls) != SUCCESS) {
3568 		RETURN_THROWS();
3569 	}
3570 
3571 	ld = Z_LDAP_LINK_P(link);
3572 	VERIFY_LDAP_LINK_CONNECTED(ld);
3573 
3574 	if (newparent_len == 0) {
3575 		newparent = NULL;
3576 	}
3577 
3578 #if (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP)
3579 	if (serverctrls) {
3580 		lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 6);
3581 		if (lserverctrls == NULL) {
3582 			RETVAL_FALSE;
3583 			goto cleanup;
3584 		}
3585 	}
3586 
3587 	if (ext) {
3588 		rc = ldap_rename(ld->link, dn, newrdn, newparent, deleteoldrdn, lserverctrls, NULL, &msgid);
3589 	} else {
3590 		rc = ldap_rename_s(ld->link, dn, newrdn, newparent, deleteoldrdn, lserverctrls, NULL);
3591 	}
3592 #else
3593 	if (newparent_len != 0) {
3594 		php_error_docref(NULL, E_WARNING, "You are using old LDAP API, newparent must be the empty string, can only modify RDN");
3595 		RETURN_FALSE;
3596 	}
3597 	if (serverctrls) {
3598 		php_error_docref(NULL, E_WARNING, "You are using old LDAP API, controls are not supported");
3599 		RETURN_FALSE;
3600 	}
3601 	if (ext) {
3602 		php_error_docref(NULL, E_WARNING, "You are using old LDAP API, ldap_rename_ext is not supported");
3603 		RETURN_FALSE;
3604 	}
3605 /* could support old APIs but need check for ldap_modrdn2()/ldap_modrdn() */
3606 	rc = ldap_modrdn2_s(ld->link, dn, newrdn, deleteoldrdn);
3607 #endif
3608 
3609 	if (rc != LDAP_SUCCESS) {
3610 		RETVAL_FALSE;
3611 	} else if (ext) {
3612 		rc = ldap_result(ld->link, msgid, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
3613 		if (rc == -1) {
3614 			php_error_docref(NULL, E_WARNING, "Rename operation failed");
3615 			RETVAL_FALSE;
3616 			goto cleanup;
3617 		}
3618 
3619 		/* return a PHP control object */
3620 		object_init_ex(return_value, ldap_result_ce);
3621 		result = Z_LDAP_RESULT_P(return_value);
3622 		result->result = ldap_res;
3623 	} else {
3624 		RETVAL_TRUE;
3625 	}
3626 
3627 cleanup:
3628 	if (lserverctrls) {
3629 		_php_ldap_controls_free(&lserverctrls);
3630 	}
3631 
3632 	return;
3633 }
3634 /* }}} */
3635 
3636 /* {{{ Modify the name of an entry */
PHP_FUNCTION(ldap_rename)3637 PHP_FUNCTION(ldap_rename)
3638 {
3639 	php_ldap_do_rename(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
3640 }
3641 /* }}} */
3642 
3643 /* {{{ Modify the name of an entry */
PHP_FUNCTION(ldap_rename_ext)3644 PHP_FUNCTION(ldap_rename_ext)
3645 {
3646 	php_ldap_do_rename(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
3647 }
3648 /* }}} */
3649 
3650 #ifdef HAVE_LDAP_START_TLS_S
3651 /* {{{ Start TLS */
PHP_FUNCTION(ldap_start_tls)3652 PHP_FUNCTION(ldap_start_tls)
3653 {
3654 	zval *link;
3655 	ldap_linkdata *ld;
3656 	int rc, protocol = LDAP_VERSION3;
3657 
3658 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &link, ldap_link_ce) != SUCCESS) {
3659 		RETURN_THROWS();
3660 	}
3661 
3662 	ld = Z_LDAP_LINK_P(link);
3663 	VERIFY_LDAP_LINK_CONNECTED(ld);
3664 
3665 	if (((rc = ldap_set_option(ld->link, LDAP_OPT_PROTOCOL_VERSION, &protocol)) != LDAP_SUCCESS) ||
3666 		((rc = ldap_start_tls_s(ld->link, NULL, NULL)) != LDAP_SUCCESS)
3667 	) {
3668 		php_error_docref(NULL, E_WARNING,"Unable to start TLS: %s", ldap_err2string(rc));
3669 		RETURN_FALSE;
3670 	} else {
3671 		RETURN_TRUE;
3672 	}
3673 }
3674 /* }}} */
3675 #endif
3676 #endif /* (LDAP_API_VERSION > 2000) || defined(HAVE_ORALDAP) */
3677 
3678 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && defined(HAVE_3ARG_SETREBINDPROC)
3679 /* {{{ _ldap_rebind_proc() */
_ldap_rebind_proc(LDAP * ldap,const char * url,ber_tag_t req,ber_int_t msgid,void * params)3680 int _ldap_rebind_proc(LDAP *ldap, const char *url, ber_tag_t req, ber_int_t msgid, void *params)
3681 {
3682 	ldap_linkdata *ld = NULL;
3683 	int retval;
3684 	zval cb_args[2];
3685 	zval cb_retval;
3686 	zval *cb_link = (zval *) params;
3687 
3688 	ld = Z_LDAP_LINK_P(cb_link);
3689 	if (!ld->link) {
3690 		zend_throw_error(NULL, "LDAP connection has already been closed");
3691 		return LDAP_OTHER;
3692 	}
3693 
3694 	/* link exists and callback set? */
3695 	if (Z_ISUNDEF(ld->rebindproc)) {
3696 		php_error_docref(NULL, E_WARNING, "No callback set");
3697 		return LDAP_OTHER;
3698 	}
3699 
3700 	/* callback */
3701 	ZVAL_COPY_VALUE(&cb_args[0], cb_link);
3702 	ZVAL_STRING(&cb_args[1], url);
3703 	if (call_user_function(EG(function_table), NULL, &ld->rebindproc, &cb_retval, 2, cb_args) == SUCCESS && !Z_ISUNDEF(cb_retval)) {
3704 		retval = zval_get_long(&cb_retval);
3705 		zval_ptr_dtor(&cb_retval);
3706 	} else {
3707 		php_error_docref(NULL, E_WARNING, "rebind_proc PHP callback failed");
3708 		retval = LDAP_OTHER;
3709 	}
3710 	zval_ptr_dtor(&cb_args[1]);
3711 	return retval;
3712 }
3713 /* }}} */
3714 
3715 /* {{{ Set a callback function to do re-binds on referral chasing. */
PHP_FUNCTION(ldap_set_rebind_proc)3716 PHP_FUNCTION(ldap_set_rebind_proc)
3717 {
3718 	zval *link;
3719 	zend_fcall_info fci;
3720 	zend_fcall_info_cache fcc;
3721 	ldap_linkdata *ld;
3722 
3723 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "Of!", &link, ldap_link_ce, &fci, &fcc) == FAILURE) {
3724 		RETURN_THROWS();
3725 	}
3726 
3727 	ld = Z_LDAP_LINK_P(link);
3728 	VERIFY_LDAP_LINK_CONNECTED(ld);
3729 
3730 	if (!ZEND_FCI_INITIALIZED(fci)) {
3731 		/* unregister rebind procedure */
3732 		if (!Z_ISUNDEF(ld->rebindproc)) {
3733 			zval_ptr_dtor(&ld->rebindproc);
3734 			ZVAL_UNDEF(&ld->rebindproc);
3735 			ldap_set_rebind_proc(ld->link, NULL, NULL);
3736 		}
3737 		RETURN_TRUE;
3738 	}
3739 
3740 	/* register rebind procedure */
3741 	if (Z_ISUNDEF(ld->rebindproc)) {
3742 		ldap_set_rebind_proc(ld->link, _ldap_rebind_proc, (void *) link);
3743 	} else {
3744 		zval_ptr_dtor(&ld->rebindproc);
3745 	}
3746 
3747 	ZVAL_COPY(&ld->rebindproc, &fci.function_name);
3748 	RETURN_TRUE;
3749 }
3750 /* }}} */
3751 #endif
3752 
php_ldap_do_escape(const bool * map,const char * value,size_t valuelen,zend_long flags)3753 static zend_string* php_ldap_do_escape(const bool *map, const char *value, size_t valuelen, zend_long flags)
3754 {
3755 	char hex[] = "0123456789abcdef";
3756 	size_t i, p = 0;
3757 	size_t len = 0;
3758 	zend_string *ret;
3759 
3760 	for (i = 0; i < valuelen; i++) {
3761 		len += (map[(unsigned char) value[i]]) ? 3 : 1;
3762 	}
3763 	/* Per RFC 4514, a leading and trailing space must be escaped */
3764 	if ((flags & PHP_LDAP_ESCAPE_DN) && (value[0] == ' ')) {
3765 		len += 2;
3766 	}
3767 	if ((flags & PHP_LDAP_ESCAPE_DN) && ((valuelen > 1) && (value[valuelen - 1] == ' '))) {
3768 		len += 2;
3769 	}
3770 
3771 	ret =  zend_string_alloc(len, 0);
3772 
3773 	for (i = 0; i < valuelen; i++) {
3774 		unsigned char v = (unsigned char) value[i];
3775 
3776 		if (map[v] || ((flags & PHP_LDAP_ESCAPE_DN) && ((i == 0) || (i + 1 == valuelen)) && (v == ' '))) {
3777 			ZSTR_VAL(ret)[p++] = '\\';
3778 			ZSTR_VAL(ret)[p++] = hex[v >> 4];
3779 			ZSTR_VAL(ret)[p++] = hex[v & 0x0f];
3780 		} else {
3781 			ZSTR_VAL(ret)[p++] = v;
3782 		}
3783 	}
3784 
3785 	ZSTR_VAL(ret)[p] = '\0';
3786 	ZSTR_LEN(ret) = p;
3787 	return ret;
3788 }
3789 
php_ldap_escape_map_set_chars(bool * map,const char * chars,const size_t charslen,char escape)3790 static void php_ldap_escape_map_set_chars(bool *map, const char *chars, const size_t charslen, char escape)
3791 {
3792 	size_t i = 0;
3793 	while (i < charslen) {
3794 		map[(unsigned char) chars[i++]] = escape;
3795 	}
3796 }
3797 
PHP_FUNCTION(ldap_escape)3798 PHP_FUNCTION(ldap_escape)
3799 {
3800 	char *value, *ignores;
3801 	size_t valuelen = 0, ignoreslen = 0;
3802 	int i;
3803 	zend_long flags = 0;
3804 	bool map[256] = {0}, havecharlist = 0;
3805 
3806 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|sl", &value, &valuelen, &ignores, &ignoreslen, &flags) != SUCCESS) {
3807 		RETURN_THROWS();
3808 	}
3809 
3810 	if (!valuelen) {
3811 		RETURN_EMPTY_STRING();
3812 	}
3813 
3814 	if (flags & PHP_LDAP_ESCAPE_FILTER) {
3815 		havecharlist = 1;
3816 		php_ldap_escape_map_set_chars(map, "\\*()\0", sizeof("\\*()\0") - 1, 1);
3817 	}
3818 
3819 	if (flags & PHP_LDAP_ESCAPE_DN) {
3820 		havecharlist = 1;
3821 		php_ldap_escape_map_set_chars(map, "\\,=+<>;\"#\r", sizeof("\\,=+<>;\"#\r") - 1, 1);
3822 	}
3823 
3824 	if (!havecharlist) {
3825 		for (i = 0; i < 256; i++) {
3826 			map[i] = 1;
3827 		}
3828 	}
3829 
3830 	if (ignoreslen) {
3831 		php_ldap_escape_map_set_chars(map, ignores, ignoreslen, 0);
3832 	}
3833 
3834 	RETURN_NEW_STR(php_ldap_do_escape(map, value, valuelen, flags));
3835 }
3836 
3837 #ifdef STR_TRANSLATION
3838 /* {{{ php_ldap_do_translate */
php_ldap_do_translate(INTERNAL_FUNCTION_PARAMETERS,int way)3839 static void php_ldap_do_translate(INTERNAL_FUNCTION_PARAMETERS, int way)
3840 {
3841 	char *value;
3842 	size_t value_len;
3843 	int result;
3844 
3845 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &value, &value_len) != SUCCESS) {
3846 		RETURN_THROWS();
3847 	}
3848 
3849 	if (value_len == 0) {
3850 		RETURN_FALSE;
3851 	}
3852 
3853 	if (way == 1) {
3854 		result = ldap_8859_to_t61(&value, &value_len, 0);
3855 	} else {
3856 		result = ldap_t61_to_8859(&value, &value_len, 0);
3857 	}
3858 
3859 	if (result == LDAP_SUCCESS) {
3860 		RETVAL_STRINGL(value, value_len);
3861 		free(value);
3862 	} else {
3863 		php_error_docref(NULL, E_WARNING, "Conversion from ISO-8859-1 to t61 failed: %s", ldap_err2string(result));
3864 		RETVAL_FALSE;
3865 	}
3866 }
3867 /* }}} */
3868 
3869 /* {{{ Translate t61 characters to 8859 characters */
PHP_FUNCTION(ldap_t61_to_8859)3870 PHP_FUNCTION(ldap_t61_to_8859)
3871 {
3872 	php_ldap_do_translate(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
3873 }
3874 /* }}} */
3875 
3876 /* {{{ Translate 8859 characters to t61 characters */
PHP_FUNCTION(ldap_8859_to_t61)3877 PHP_FUNCTION(ldap_8859_to_t61)
3878 {
3879 	php_ldap_do_translate(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
3880 }
3881 /* }}} */
3882 #endif
3883 
3884 /* {{{ Extended operations, Pierangelo Masarati */
3885 #ifdef HAVE_LDAP_EXTENDED_OPERATION_S
php_ldap_exop(INTERNAL_FUNCTION_PARAMETERS,bool force_sync)3886 static void php_ldap_exop(INTERNAL_FUNCTION_PARAMETERS, bool force_sync) {
3887 	zval *serverctrls = NULL;
3888 	zval *link, *retdata = NULL, *retoid = NULL;
3889 	char *lretoid = NULL;
3890 	zend_string *reqoid, *reqdata = NULL;
3891 	struct berval lreqdata, *lretdata = NULL;
3892 	ldap_linkdata *ld;
3893 	ldap_resultdata *result;
3894 	LDAPMessage *ldap_res;
3895 	LDAPControl **lserverctrls = NULL;
3896 	int rc, msgid;
3897 
3898 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "OS|S!a!zz", &link, ldap_link_ce, &reqoid, &reqdata, &serverctrls, &retdata, &retoid) != SUCCESS) {
3899 		RETURN_THROWS();
3900 	}
3901 
3902 	ld = Z_LDAP_LINK_P(link);
3903 	VERIFY_LDAP_LINK_CONNECTED(ld);
3904 
3905 	if (reqdata) {
3906 		lreqdata.bv_val = ZSTR_VAL(reqdata);
3907 		lreqdata.bv_len = ZSTR_LEN(reqdata);
3908 	} else {
3909 		lreqdata.bv_len = 0;
3910 	}
3911 
3912 	if (serverctrls) {
3913 		lserverctrls = _php_ldap_controls_from_array(ld->link, serverctrls, 4);
3914 		if (lserverctrls == NULL) {
3915 			RETVAL_FALSE;
3916 			goto cleanup;
3917 		}
3918 	}
3919 
3920 	if (force_sync || retdata) {
3921 		/* synchronous call */
3922 		rc = ldap_extended_operation_s(ld->link, ZSTR_VAL(reqoid),
3923 			lreqdata.bv_len > 0 ? &lreqdata: NULL,
3924 			lserverctrls,
3925 			NULL,
3926 			retoid ? &lretoid : NULL,
3927 			&lretdata );
3928 		if (rc != LDAP_SUCCESS ) {
3929 			php_error_docref(NULL, E_WARNING, "Extended operation %s failed: %s (%d)", ZSTR_VAL(reqoid), ldap_err2string(rc), rc);
3930 			RETVAL_FALSE;
3931 			goto cleanup;
3932 		}
3933 
3934 		if (retoid) {
3935 			if (lretoid) {
3936 				ZEND_TRY_ASSIGN_REF_STRING(retoid, lretoid);
3937 				ldap_memfree(lretoid);
3938 			} else {
3939 				ZEND_TRY_ASSIGN_REF_EMPTY_STRING(retoid);
3940 			}
3941 		}
3942 
3943 		if (lretdata) {
3944 			ZEND_TRY_ASSIGN_REF_STRINGL(retdata, lretdata->bv_val, lretdata->bv_len);
3945 			ldap_memfree(lretdata->bv_val);
3946 			ldap_memfree(lretdata);
3947 		} else {
3948 			ZEND_TRY_ASSIGN_REF_EMPTY_STRING(retdata);
3949 		}
3950 
3951 		RETVAL_TRUE;
3952 		goto cleanup;
3953 	}
3954 
3955 	/* asynchronous call */
3956 	rc = ldap_extended_operation(ld->link, ZSTR_VAL(reqoid),
3957 		lreqdata.bv_len > 0 ? &lreqdata: NULL,
3958 		lserverctrls,
3959 		NULL,
3960 		&msgid);
3961 	if (rc != LDAP_SUCCESS ) {
3962 		php_error_docref(NULL, E_WARNING, "Extended operation %s failed: %s (%d)", ZSTR_VAL(reqoid), ldap_err2string(rc), rc);
3963 		RETVAL_FALSE;
3964 		goto cleanup;
3965 	}
3966 
3967 	rc = ldap_result(ld->link, msgid, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
3968 	if (rc == -1) {
3969 		php_error_docref(NULL, E_WARNING, "Extended operation %s failed", ZSTR_VAL(reqoid));
3970 		RETVAL_FALSE;
3971 		goto cleanup;
3972 	}
3973 
3974 	/* return a PHP control object */
3975 	object_init_ex(return_value, ldap_result_ce);
3976 	result = Z_LDAP_RESULT_P(return_value);
3977 	result->result = ldap_res;
3978 
3979 cleanup:
3980 	if (lserverctrls) {
3981 		_php_ldap_controls_free(&lserverctrls);
3982 	}
3983 }
3984 
3985 /* {{{ Extended operation */
PHP_FUNCTION(ldap_exop)3986 PHP_FUNCTION(ldap_exop)
3987 {
3988 	php_ldap_exop(INTERNAL_FUNCTION_PARAM_PASSTHRU, false);
3989 }
3990 /* }}} */
3991 
PHP_FUNCTION(ldap_exop_sync)3992 PHP_FUNCTION(ldap_exop_sync)
3993 {
3994 	php_ldap_exop(INTERNAL_FUNCTION_PARAM_PASSTHRU, true);
3995 }
3996 #endif
3997 
3998 #ifdef HAVE_LDAP_PASSWD
3999 /* {{{ Passwd modify extended operation */
PHP_FUNCTION(ldap_exop_passwd)4000 PHP_FUNCTION(ldap_exop_passwd)
4001 {
4002 	zval *link, *serverctrls;
4003 	struct berval luser = { 0L, NULL };
4004 	struct berval loldpw = { 0L, NULL };
4005 	struct berval lnewpw = { 0L, NULL };
4006 	struct berval lgenpasswd = { 0L, NULL };
4007 	LDAPControl *ctrl, **lserverctrls = NULL, *requestctrls[2] = { NULL, NULL };
4008 	LDAPMessage* ldap_res = NULL;
4009 	ldap_linkdata *ld;
4010 	int rc, myargcount = ZEND_NUM_ARGS(), msgid, err;
4011 	char* errmsg = NULL;
4012 
4013 	if (zend_parse_parameters(myargcount, "O|sssz/", &link, ldap_link_ce, &luser.bv_val, &luser.bv_len, &loldpw.bv_val, &loldpw.bv_len, &lnewpw.bv_val, &lnewpw.bv_len, &serverctrls) == FAILURE) {
4014 		RETURN_THROWS();
4015 	}
4016 
4017 	ld = Z_LDAP_LINK_P(link);
4018 	VERIFY_LDAP_LINK_CONNECTED(ld);
4019 
4020 	switch (myargcount) {
4021 		case 5:
4022 			/* ldap_create_passwordpolicy_control() allocates ctrl */
4023 			if (ldap_create_passwordpolicy_control(ld->link, &ctrl) == LDAP_SUCCESS) {
4024 				requestctrls[0] = ctrl;
4025 			}
4026 	}
4027 
4028 	/* asynchronous call to get result and controls */
4029 	rc = ldap_passwd(ld->link, &luser,
4030 		loldpw.bv_len > 0 ? &loldpw : NULL,
4031 		lnewpw.bv_len > 0 ? &lnewpw : NULL,
4032 		requestctrls,
4033 		NULL, &msgid);
4034 
4035 	if (requestctrls[0] != NULL) {
4036 		ldap_control_free(requestctrls[0]);
4037 	}
4038 
4039 	if (rc != LDAP_SUCCESS ) {
4040 		php_error_docref(NULL, E_WARNING, "Passwd modify extended operation failed: %s (%d)", ldap_err2string(rc), rc);
4041 		RETVAL_FALSE;
4042 		goto cleanup;
4043 	}
4044 
4045 	rc = ldap_result(ld->link, msgid, 1 /* LDAP_MSG_ALL */, NULL, &ldap_res);
4046 	if ((rc < 0) || !ldap_res) {
4047 		rc = _get_lderrno(ld->link);
4048 		php_error_docref(NULL, E_WARNING, "Passwd modify extended operation failed: %s (%d)", ldap_err2string(rc), rc);
4049 		RETVAL_FALSE;
4050 		goto cleanup;
4051 	}
4052 
4053 	rc = ldap_parse_passwd(ld->link, ldap_res, &lgenpasswd);
4054 	if( rc != LDAP_SUCCESS ) {
4055 		php_error_docref(NULL, E_WARNING, "Passwd modify extended operation failed: %s (%d)", ldap_err2string(rc), rc);
4056 		RETVAL_FALSE;
4057 		goto cleanup;
4058 	}
4059 
4060 	rc = ldap_parse_result(ld->link, ldap_res, &err, NULL, &errmsg, NULL, (myargcount > 4 ? &lserverctrls : NULL), 0);
4061 	if( rc != LDAP_SUCCESS ) {
4062 		php_error_docref(NULL, E_WARNING, "Passwd modify extended operation failed: %s (%d)", ldap_err2string(rc), rc);
4063 		RETVAL_FALSE;
4064 		goto cleanup;
4065 	}
4066 
4067 	if (myargcount > 4) {
4068 		_php_ldap_controls_to_array(ld->link, lserverctrls, serverctrls, 0);
4069 	}
4070 
4071 	/* return */
4072 	if (lnewpw.bv_len == 0) {
4073 		if (lgenpasswd.bv_len == 0) {
4074 			RETVAL_EMPTY_STRING();
4075 		} else {
4076 			RETVAL_STRINGL(lgenpasswd.bv_val, lgenpasswd.bv_len);
4077 		}
4078 	} else if (err == LDAP_SUCCESS) {
4079 		RETVAL_TRUE;
4080 	} else {
4081 		php_error_docref(NULL, E_WARNING, "Passwd modify extended operation failed: %s (%d)", (errmsg ? errmsg : ldap_err2string(err)), err);
4082 		RETVAL_FALSE;
4083 	}
4084 
4085 cleanup:
4086 	if (lgenpasswd.bv_val != NULL) {
4087 		ldap_memfree(lgenpasswd.bv_val);
4088 	}
4089 	if (ldap_res != NULL) {
4090 		ldap_msgfree(ldap_res);
4091 	}
4092 	if (errmsg != NULL) {
4093 		ldap_memfree(errmsg);
4094 	}
4095 }
4096 /* }}} */
4097 #endif
4098 
4099 #ifdef HAVE_LDAP_WHOAMI_S
4100 /* {{{ Whoami extended operation */
PHP_FUNCTION(ldap_exop_whoami)4101 PHP_FUNCTION(ldap_exop_whoami)
4102 {
4103 	zval *link;
4104 	struct berval *lauthzid;
4105 	ldap_linkdata *ld;
4106 	int rc;
4107 
4108 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &link, ldap_link_ce) == FAILURE) {
4109 		RETURN_THROWS();
4110 	}
4111 
4112 	ld = Z_LDAP_LINK_P(link);
4113 	VERIFY_LDAP_LINK_CONNECTED(ld);
4114 
4115 	/* synchronous call */
4116 	rc = ldap_whoami_s(ld->link, &lauthzid, NULL, NULL);
4117 	if (rc != LDAP_SUCCESS ) {
4118 		php_error_docref(NULL, E_WARNING, "Whoami extended operation failed: %s (%d)", ldap_err2string(rc), rc);
4119 		RETURN_FALSE;
4120 	}
4121 
4122 	if (lauthzid == NULL) {
4123 		RETVAL_EMPTY_STRING();
4124 	} else {
4125 		RETVAL_STRINGL(lauthzid->bv_val, lauthzid->bv_len);
4126 		ldap_memfree(lauthzid->bv_val);
4127 		ldap_memfree(lauthzid);
4128 	}
4129 }
4130 /* }}} */
4131 #endif
4132 
4133 #ifdef HAVE_LDAP_REFRESH_S
4134 /* {{{ DDS refresh extended operation */
PHP_FUNCTION(ldap_exop_refresh)4135 PHP_FUNCTION(ldap_exop_refresh)
4136 {
4137 	zval *link;
4138 	zend_long ttl;
4139 	struct berval ldn;
4140 	ber_int_t lttl;
4141 	ber_int_t newttl;
4142 	ldap_linkdata *ld;
4143 	int rc;
4144 
4145 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "Osl", &link, ldap_link_ce, &ldn.bv_val, &ldn.bv_len, &ttl) != SUCCESS) {
4146 		RETURN_THROWS();
4147 	}
4148 
4149 	ld = Z_LDAP_LINK_P(link);
4150 	VERIFY_LDAP_LINK_CONNECTED(ld);
4151 
4152 	lttl = (ber_int_t) ttl;
4153 
4154 	rc = ldap_refresh_s(ld->link, &ldn, lttl, &newttl, NULL, NULL);
4155 	if (rc != LDAP_SUCCESS ) {
4156 		php_error_docref(NULL, E_WARNING, "Refresh extended operation failed: %s (%d)", ldap_err2string(rc), rc);
4157 		RETURN_FALSE;
4158 	}
4159 
4160 	RETURN_LONG(newttl);
4161 }
4162 /* }}} */
4163 #endif
4164 
4165 zend_module_entry ldap_module_entry = { /* {{{ */
4166 	STANDARD_MODULE_HEADER,
4167 	"ldap",
4168 	ext_functions,
4169 	PHP_MINIT(ldap),
4170 	PHP_MSHUTDOWN(ldap),
4171 	NULL,
4172 	NULL,
4173 	PHP_MINFO(ldap),
4174 	PHP_LDAP_VERSION,
4175 	PHP_MODULE_GLOBALS(ldap),
4176 	PHP_GINIT(ldap),
4177 	NULL,
4178 	NULL,
4179 	STANDARD_MODULE_PROPERTIES_EX
4180 };
4181 /* }}} */
4182