1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2015 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Rasmus Lerdorf <rasmus@php.net> |
16 | Mike Jackson <mhjack@tscnet.com> |
17 | Steven Lawrance <slawrance@technologist.com> |
18 | Harrie Hazewinkel <harrie@lisanza.net> |
19 | Johann Hanne <jonny@nurfuerspam.de> |
20 | Boris Lytockin <lytboris@gmail.com> |
21 +----------------------------------------------------------------------+
22 */
23
24 /* $Id$ */
25
26 #ifdef HAVE_CONFIG_H
27 #include "config.h"
28 #endif
29
30 #include "php.h"
31 #include "main/php_network.h"
32 #include "ext/standard/info.h"
33 #include "php_snmp.h"
34
35 #include "zend_exceptions.h"
36
37 #if HAVE_SPL
38 #include "ext/spl/spl_exceptions.h"
39 #endif
40
41 #if HAVE_SNMP
42
43 #include <sys/types.h>
44 #ifdef PHP_WIN32
45 #include <winsock2.h>
46 #include <errno.h>
47 #include <process.h>
48 #include "win32/time.h"
49 #elif defined(NETWARE)
50 #ifdef USE_WINSOCK
51 #include <novsock2.h>
52 #else
53 #include <sys/socket.h>
54 #endif
55 #include <errno.h>
56 #include <sys/timeval.h>
57 #else
58 #include <sys/socket.h>
59 #include <netinet/in.h>
60 #include <arpa/inet.h>
61 #ifndef _OSD_POSIX
62 #include <sys/errno.h>
63 #else
64 #include <errno.h> /* BS2000/OSD uses <errno.h>, not <sys/errno.h> */
65 #endif
66 #include <netdb.h>
67 #endif
68 #ifdef HAVE_UNISTD_H
69 #include <unistd.h>
70 #endif
71
72 #ifndef __P
73 #ifdef __GNUC__
74 #define __P(args) args
75 #else
76 #define __P(args) ()
77 #endif
78 #endif
79
80 #include <net-snmp/net-snmp-config.h>
81 #include <net-snmp/net-snmp-includes.h>
82
83 /* For net-snmp prior to 5.4 */
84 #ifndef HAVE_SHUTDOWN_SNMP_LOGGING
85 extern netsnmp_log_handler *logh_head;
86 #define shutdown_snmp_logging() \
87 { \
88 snmp_disable_log(); \
89 while(NULL != logh_head) \
90 netsnmp_remove_loghandler( logh_head ); \
91 }
92 #endif
93
94 #define SNMP_VALUE_LIBRARY (0 << 0)
95 #define SNMP_VALUE_PLAIN (1 << 0)
96 #define SNMP_VALUE_OBJECT (1 << 1)
97
98 typedef struct snmp_session php_snmp_session;
99 #define PHP_SNMP_SESSION_RES_NAME "SNMP session"
100
101 #define PHP_SNMP_ADD_PROPERTIES(a, b) \
102 { \
103 int i = 0; \
104 while (b[i].name != NULL) { \
105 php_snmp_add_property((a), (b)[i].name, (b)[i].name_length, \
106 (php_snmp_read_t)(b)[i].read_func, (php_snmp_write_t)(b)[i].write_func TSRMLS_CC); \
107 i++; \
108 } \
109 }
110
111 #define PHP_SNMP_ERRNO_NOERROR 0
112 #define PHP_SNMP_ERRNO_GENERIC (1 << 1)
113 #define PHP_SNMP_ERRNO_TIMEOUT (1 << 2)
114 #define PHP_SNMP_ERRNO_ERROR_IN_REPLY (1 << 3)
115 #define PHP_SNMP_ERRNO_OID_NOT_INCREASING (1 << 4)
116 #define PHP_SNMP_ERRNO_OID_PARSING_ERROR (1 << 5)
117 #define PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES (1 << 6)
118 #define PHP_SNMP_ERRNO_ANY ( \
119 PHP_SNMP_ERRNO_GENERIC | \
120 PHP_SNMP_ERRNO_TIMEOUT | \
121 PHP_SNMP_ERRNO_ERROR_IN_REPLY | \
122 PHP_SNMP_ERRNO_OID_NOT_INCREASING | \
123 PHP_SNMP_ERRNO_OID_PARSING_ERROR | \
124 PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES | \
125 PHP_SNMP_ERRNO_NOERROR \
126 )
127
128 ZEND_DECLARE_MODULE_GLOBALS(snmp)
129 static PHP_GINIT_FUNCTION(snmp);
130
131 /* constant - can be shared among threads */
132 static oid objid_mib[] = {1, 3, 6, 1, 2, 1};
133
134 static int le_snmp_session;
135
136 /* Handlers */
137 static zend_object_handlers php_snmp_object_handlers;
138
139 /* Class entries */
140 zend_class_entry *php_snmp_ce;
141 zend_class_entry *php_snmp_exception_ce;
142
143 /* Class object properties */
144 static HashTable php_snmp_properties;
145
146 /* {{{ arginfo */
147
148 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpget, 0, 0, 3)
149 ZEND_ARG_INFO(0, host)
150 ZEND_ARG_INFO(0, community)
151 ZEND_ARG_INFO(0, object_id)
152 ZEND_ARG_INFO(0, timeout)
153 ZEND_ARG_INFO(0, retries)
154 ZEND_END_ARG_INFO()
155
156 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpgetnext, 0, 0, 3)
157 ZEND_ARG_INFO(0, host)
158 ZEND_ARG_INFO(0, community)
159 ZEND_ARG_INFO(0, object_id)
160 ZEND_ARG_INFO(0, timeout)
161 ZEND_ARG_INFO(0, retries)
162 ZEND_END_ARG_INFO()
163
164 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpwalk, 0, 0, 3)
165 ZEND_ARG_INFO(0, host)
166 ZEND_ARG_INFO(0, community)
167 ZEND_ARG_INFO(0, object_id)
168 ZEND_ARG_INFO(0, timeout)
169 ZEND_ARG_INFO(0, retries)
170 ZEND_END_ARG_INFO()
171
172 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmprealwalk, 0, 0, 3)
173 ZEND_ARG_INFO(0, host)
174 ZEND_ARG_INFO(0, community)
175 ZEND_ARG_INFO(0, object_id)
176 ZEND_ARG_INFO(0, timeout)
177 ZEND_ARG_INFO(0, retries)
178 ZEND_END_ARG_INFO()
179
180 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpset, 0, 0, 5)
181 ZEND_ARG_INFO(0, host)
182 ZEND_ARG_INFO(0, community)
183 ZEND_ARG_INFO(0, object_id)
184 ZEND_ARG_INFO(0, type)
185 ZEND_ARG_INFO(0, value)
186 ZEND_ARG_INFO(0, timeout)
187 ZEND_ARG_INFO(0, retries)
188 ZEND_END_ARG_INFO()
189
190
191 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_get_quick_print, 0, 0, 1)
192 ZEND_ARG_INFO(0, d)
193 ZEND_END_ARG_INFO()
194
195 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_quick_print, 0, 0, 1)
196 ZEND_ARG_INFO(0, quick_print)
197 ZEND_END_ARG_INFO()
198
199 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_enum_print, 0, 0, 1)
200 ZEND_ARG_INFO(0, enum_print)
201 ZEND_END_ARG_INFO()
202
203 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_oid_output_format, 0, 0, 1)
204 ZEND_ARG_INFO(0, oid_format)
205 ZEND_END_ARG_INFO()
206
207 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_get, 0, 0, 3)
208 ZEND_ARG_INFO(0, host)
209 ZEND_ARG_INFO(0, community)
210 ZEND_ARG_INFO(0, object_id)
211 ZEND_ARG_INFO(0, timeout)
212 ZEND_ARG_INFO(0, retries)
213 ZEND_END_ARG_INFO()
214
215 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_getnext, 0, 0, 3)
216 ZEND_ARG_INFO(0, host)
217 ZEND_ARG_INFO(0, community)
218 ZEND_ARG_INFO(0, object_id)
219 ZEND_ARG_INFO(0, timeout)
220 ZEND_ARG_INFO(0, retries)
221 ZEND_END_ARG_INFO()
222
223 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_walk, 0, 0, 3)
224 ZEND_ARG_INFO(0, host)
225 ZEND_ARG_INFO(0, community)
226 ZEND_ARG_INFO(0, object_id)
227 ZEND_ARG_INFO(0, timeout)
228 ZEND_ARG_INFO(0, retries)
229 ZEND_END_ARG_INFO()
230
231 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_real_walk, 0, 0, 3)
232 ZEND_ARG_INFO(0, host)
233 ZEND_ARG_INFO(0, community)
234 ZEND_ARG_INFO(0, object_id)
235 ZEND_ARG_INFO(0, timeout)
236 ZEND_ARG_INFO(0, retries)
237 ZEND_END_ARG_INFO()
238
239 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_set, 0, 0, 5)
240 ZEND_ARG_INFO(0, host)
241 ZEND_ARG_INFO(0, community)
242 ZEND_ARG_INFO(0, object_id)
243 ZEND_ARG_INFO(0, type)
244 ZEND_ARG_INFO(0, value)
245 ZEND_ARG_INFO(0, timeout)
246 ZEND_ARG_INFO(0, retries)
247 ZEND_END_ARG_INFO()
248
249 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_get, 0, 0, 8)
250 ZEND_ARG_INFO(0, host)
251 ZEND_ARG_INFO(0, sec_name)
252 ZEND_ARG_INFO(0, sec_level)
253 ZEND_ARG_INFO(0, auth_protocol)
254 ZEND_ARG_INFO(0, auth_passphrase)
255 ZEND_ARG_INFO(0, priv_protocol)
256 ZEND_ARG_INFO(0, priv_passphrase)
257 ZEND_ARG_INFO(0, object_id)
258 ZEND_ARG_INFO(0, timeout)
259 ZEND_ARG_INFO(0, retries)
260 ZEND_END_ARG_INFO()
261
262 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_getnext, 0, 0, 8)
263 ZEND_ARG_INFO(0, host)
264 ZEND_ARG_INFO(0, sec_name)
265 ZEND_ARG_INFO(0, sec_level)
266 ZEND_ARG_INFO(0, auth_protocol)
267 ZEND_ARG_INFO(0, auth_passphrase)
268 ZEND_ARG_INFO(0, priv_protocol)
269 ZEND_ARG_INFO(0, priv_passphrase)
270 ZEND_ARG_INFO(0, object_id)
271 ZEND_ARG_INFO(0, timeout)
272 ZEND_ARG_INFO(0, retries)
273 ZEND_END_ARG_INFO()
274
275 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_walk, 0, 0, 8)
276 ZEND_ARG_INFO(0, host)
277 ZEND_ARG_INFO(0, sec_name)
278 ZEND_ARG_INFO(0, sec_level)
279 ZEND_ARG_INFO(0, auth_protocol)
280 ZEND_ARG_INFO(0, auth_passphrase)
281 ZEND_ARG_INFO(0, priv_protocol)
282 ZEND_ARG_INFO(0, priv_passphrase)
283 ZEND_ARG_INFO(0, object_id)
284 ZEND_ARG_INFO(0, timeout)
285 ZEND_ARG_INFO(0, retries)
286 ZEND_END_ARG_INFO()
287
288 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_real_walk, 0, 0, 8)
289 ZEND_ARG_INFO(0, host)
290 ZEND_ARG_INFO(0, sec_name)
291 ZEND_ARG_INFO(0, sec_level)
292 ZEND_ARG_INFO(0, auth_protocol)
293 ZEND_ARG_INFO(0, auth_passphrase)
294 ZEND_ARG_INFO(0, priv_protocol)
295 ZEND_ARG_INFO(0, priv_passphrase)
296 ZEND_ARG_INFO(0, object_id)
297 ZEND_ARG_INFO(0, timeout)
298 ZEND_ARG_INFO(0, retries)
299 ZEND_END_ARG_INFO()
300
301 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_set, 0, 0, 10)
302 ZEND_ARG_INFO(0, host)
303 ZEND_ARG_INFO(0, sec_name)
304 ZEND_ARG_INFO(0, sec_level)
305 ZEND_ARG_INFO(0, auth_protocol)
306 ZEND_ARG_INFO(0, auth_passphrase)
307 ZEND_ARG_INFO(0, priv_protocol)
308 ZEND_ARG_INFO(0, priv_passphrase)
309 ZEND_ARG_INFO(0, object_id)
310 ZEND_ARG_INFO(0, type)
311 ZEND_ARG_INFO(0, value)
312 ZEND_ARG_INFO(0, timeout)
313 ZEND_ARG_INFO(0, retries)
314 ZEND_END_ARG_INFO()
315
316 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_valueretrieval, 0, 0, 1)
317 ZEND_ARG_INFO(0, method)
318 ZEND_END_ARG_INFO()
319
320 ZEND_BEGIN_ARG_INFO(arginfo_snmp_get_valueretrieval, 0)
321 ZEND_END_ARG_INFO()
322
323 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_read_mib, 0, 0, 1)
324 ZEND_ARG_INFO(0, filename)
325 ZEND_END_ARG_INFO()
326
327 /* OO arginfo */
328
329 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_create, 0, 0, 3)
330 ZEND_ARG_INFO(0, version)
331 ZEND_ARG_INFO(0, host)
332 ZEND_ARG_INFO(0, community)
333 ZEND_ARG_INFO(0, timeout)
334 ZEND_ARG_INFO(0, retries)
335 ZEND_END_ARG_INFO()
336
337 ZEND_BEGIN_ARG_INFO(arginfo_snmp_void, 0)
338 ZEND_END_ARG_INFO()
339
340 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_setSecurity, 0, 0, 8)
341 ZEND_ARG_INFO(0, session)
342 ZEND_ARG_INFO(0, sec_level)
343 ZEND_ARG_INFO(0, auth_protocol)
344 ZEND_ARG_INFO(0, auth_passphrase)
345 ZEND_ARG_INFO(0, priv_protocol)
346 ZEND_ARG_INFO(0, priv_passphrase)
347 ZEND_ARG_INFO(0, contextName)
348 ZEND_ARG_INFO(0, contextEngineID)
349 ZEND_ARG_INFO(0, )
350 ZEND_END_ARG_INFO()
351
352 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_get, 0, 0, 1)
353 ZEND_ARG_INFO(0, object_id)
354 ZEND_ARG_INFO(0, use_orignames)
355 ZEND_END_ARG_INFO()
356
357 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_walk, 0, 0, 4)
358 ZEND_ARG_INFO(0, object_id)
359 ZEND_ARG_INFO(0, suffix_keys)
360 ZEND_ARG_INFO(0, max_repetitions)
361 ZEND_ARG_INFO(0, non_repeaters)
362 ZEND_END_ARG_INFO()
363
364 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set, 0, 0, 3)
365 ZEND_ARG_INFO(0, object_id)
366 ZEND_ARG_INFO(0, type)
367 ZEND_ARG_INFO(0, value)
368 ZEND_END_ARG_INFO()
369
370 ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_class_set_quick_print, 0, 0, 1)
371 ZEND_ARG_INFO(0, quick_print)
372 ZEND_END_ARG_INFO()
373 /* }}} */
374
375 struct objid_query {
376 int count;
377 int offset;
378 int step;
379 long non_repeaters;
380 long max_repetitions;
381 int valueretrieval;
382 int array_output;
383 int oid_increasing_check;
384 snmpobjarg *vars;
385 };
386
387 /* {{{ snmp_functions[]
388 */
389 const zend_function_entry snmp_functions[] = {
390 PHP_FE(snmpget, arginfo_snmpget)
391 PHP_FE(snmpgetnext, arginfo_snmpgetnext)
392 PHP_FE(snmpwalk, arginfo_snmpwalk)
393 PHP_FE(snmprealwalk, arginfo_snmprealwalk)
394 PHP_FALIAS(snmpwalkoid, snmprealwalk, arginfo_snmprealwalk)
395 PHP_FE(snmpset, arginfo_snmpset)
396 PHP_FE(snmp_get_quick_print, arginfo_snmp_get_quick_print)
397 PHP_FE(snmp_set_quick_print, arginfo_snmp_set_quick_print)
398 PHP_FE(snmp_set_enum_print, arginfo_snmp_set_enum_print)
399 PHP_FE(snmp_set_oid_output_format, arginfo_snmp_set_oid_output_format)
400 PHP_FALIAS(snmp_set_oid_numeric_print, snmp_set_oid_output_format, arginfo_snmp_set_oid_output_format)
401
402 PHP_FE(snmp2_get, arginfo_snmp2_get)
403 PHP_FE(snmp2_getnext, arginfo_snmp2_getnext)
404 PHP_FE(snmp2_walk, arginfo_snmp2_walk)
405 PHP_FE(snmp2_real_walk, arginfo_snmp2_real_walk)
406 PHP_FE(snmp2_set, arginfo_snmp2_set)
407
408 PHP_FE(snmp3_get, arginfo_snmp3_get)
409 PHP_FE(snmp3_getnext, arginfo_snmp3_getnext)
410 PHP_FE(snmp3_walk, arginfo_snmp3_walk)
411 PHP_FE(snmp3_real_walk, arginfo_snmp3_real_walk)
412 PHP_FE(snmp3_set, arginfo_snmp3_set)
413 PHP_FE(snmp_set_valueretrieval, arginfo_snmp_set_valueretrieval)
414 PHP_FE(snmp_get_valueretrieval, arginfo_snmp_get_valueretrieval)
415
416 PHP_FE(snmp_read_mib, arginfo_snmp_read_mib)
417 PHP_FE_END
418 };
419 /* }}} */
420
421 /* query an agent with GET method */
422 #define SNMP_CMD_GET (1<<0)
423 /* query an agent with GETNEXT method */
424 #define SNMP_CMD_GETNEXT (1<<1)
425 /* query an agent with SET method */
426 #define SNMP_CMD_SET (1<<2)
427 /* walk the mib */
428 #define SNMP_CMD_WALK (1<<3)
429 /* force values-only output */
430 #define SNMP_NUMERIC_KEYS (1<<7)
431 /* use user-supplied OID names for keys in array output mode in GET method */
432 #define SNMP_ORIGINAL_NAMES_AS_KEYS (1<<8)
433 /* use OID suffix (`index') for keys in array output mode in WALK method */
434 #define SNMP_USE_SUFFIX_AS_KEYS (1<<9)
435
436 #ifdef COMPILE_DL_SNMP
437 ZEND_GET_MODULE(snmp)
438 #endif
439
440 /* THREAD_LS snmp_module php_snmp_module; - may need one of these at some point */
441
442 /* {{{ PHP_GINIT_FUNCTION
443 */
PHP_GINIT_FUNCTION(snmp)444 static PHP_GINIT_FUNCTION(snmp)
445 {
446 snmp_globals->valueretrieval = SNMP_VALUE_LIBRARY;
447 }
448 /* }}} */
449
450 #define PHP_SNMP_SESSION_FREE(a) { \
451 if ((*session)->a) { \
452 efree((*session)->a); \
453 (*session)->a = NULL; \
454 } \
455 }
456
netsnmp_session_free(php_snmp_session ** session)457 static void netsnmp_session_free(php_snmp_session **session)
458 {
459 if (*session) {
460 PHP_SNMP_SESSION_FREE(peername);
461 PHP_SNMP_SESSION_FREE(community);
462 PHP_SNMP_SESSION_FREE(securityName);
463 PHP_SNMP_SESSION_FREE(contextEngineID);
464 efree(*session);
465 *session = NULL;
466 }
467 }
468
php_snmp_session_destructor(zend_rsrc_list_entry * rsrc TSRMLS_DC)469 static void php_snmp_session_destructor(zend_rsrc_list_entry *rsrc TSRMLS_DC)
470 {
471 php_snmp_session *session = (php_snmp_session *)rsrc->ptr;
472 netsnmp_session_free(&session);
473 }
474
php_snmp_object_free_storage(void * object TSRMLS_DC)475 static void php_snmp_object_free_storage(void *object TSRMLS_DC)
476 {
477 php_snmp_object *intern = (php_snmp_object *)object;
478
479 if (!intern) {
480 return;
481 }
482
483 netsnmp_session_free(&(intern->session));
484
485 zend_object_std_dtor(&intern->zo TSRMLS_CC);
486
487 efree(intern);
488 }
489
php_snmp_object_new(zend_class_entry * class_type TSRMLS_DC)490 static zend_object_value php_snmp_object_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
491 {
492 zend_object_value retval;
493 php_snmp_object *intern;
494
495 /* Allocate memory for it */
496 intern = emalloc(sizeof(php_snmp_object));
497 memset(&intern->zo, 0, sizeof(php_snmp_object));
498
499 zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
500 object_properties_init(&intern->zo, class_type);
501
502 retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, (zend_objects_free_object_storage_t) php_snmp_object_free_storage, NULL TSRMLS_CC);
503 retval.handlers = (zend_object_handlers *) &php_snmp_object_handlers;
504
505 return retval;
506
507 }
508
509 /* {{{ php_snmp_error
510 *
511 * Record last SNMP-related error in object
512 *
513 */
php_snmp_error(zval * object,const char * docref TSRMLS_DC,int type,const char * format,...)514 static void php_snmp_error(zval *object, const char *docref TSRMLS_DC, int type, const char *format, ...)
515 {
516 va_list args;
517 php_snmp_object *snmp_object = NULL;
518
519 if (object) {
520 snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
521 if (type == PHP_SNMP_ERRNO_NOERROR) {
522 memset(snmp_object->snmp_errstr, 0, sizeof(snmp_object->snmp_errstr));
523 } else {
524 va_start(args, format);
525 vsnprintf(snmp_object->snmp_errstr, sizeof(snmp_object->snmp_errstr) - 1, format, args);
526 va_end(args);
527 }
528 snmp_object->snmp_errno = type;
529 }
530
531 if (type == PHP_SNMP_ERRNO_NOERROR) {
532 return;
533 }
534
535 if (object && (snmp_object->exceptions_enabled & type)) {
536 zend_throw_exception_ex(php_snmp_exception_ce, type TSRMLS_CC, "%s", snmp_object->snmp_errstr);
537 } else {
538 va_start(args, format);
539 php_verror(docref, "", E_WARNING, format, args TSRMLS_CC);
540 va_end(args);
541 }
542 }
543
544 /* }}} */
545
546 /* {{{ php_snmp_getvalue
547 *
548 * SNMP value to zval converter
549 *
550 */
php_snmp_getvalue(struct variable_list * vars,zval * snmpval TSRMLS_DC,int valueretrieval)551 static void php_snmp_getvalue(struct variable_list *vars, zval *snmpval TSRMLS_DC, int valueretrieval)
552 {
553 zval *val;
554 char sbuf[512];
555 char *buf = &(sbuf[0]);
556 char *dbuf = (char *)NULL;
557 int buflen = sizeof(sbuf) - 1;
558 int val_len = vars->val_len;
559
560 /* use emalloc() for large values, use static array otherwize */
561
562 /* There is no way to know the size of buffer snprint_value() needs in order to print a value there.
563 * So we are forced to probe it
564 */
565 while ((valueretrieval & SNMP_VALUE_PLAIN) == 0) {
566 *buf = '\0';
567 if (snprint_value(buf, buflen, vars->name, vars->name_length, vars) == -1) {
568 if (val_len > 512*1024) {
569 php_error_docref(NULL TSRMLS_CC, E_WARNING, "snprint_value() asks for a buffer more than 512k, Net-SNMP bug?");
570 break;
571 }
572 /* buffer is not long enough to hold full output, double it */
573 val_len *= 2;
574 } else {
575 break;
576 }
577
578 if (buf == dbuf) {
579 dbuf = (char *)erealloc(dbuf, val_len + 1);
580 } else {
581 dbuf = (char *)emalloc(val_len + 1);
582 }
583
584 if (!dbuf) {
585 php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed: %s, fallback to static buffer", strerror(errno));
586 buf = &(sbuf[0]);
587 buflen = sizeof(sbuf) - 1;
588 break;
589 }
590
591 buf = dbuf;
592 buflen = val_len;
593 }
594
595 if((valueretrieval & SNMP_VALUE_PLAIN) && val_len > buflen){
596 if ((dbuf = (char *)emalloc(val_len + 1))) {
597 buf = dbuf;
598 buflen = val_len;
599 } else {
600 php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed: %s, fallback to static buffer", strerror(errno));
601 }
602 }
603
604 MAKE_STD_ZVAL(val);
605
606 if (valueretrieval & SNMP_VALUE_PLAIN) {
607 *buf = 0;
608 switch (vars->type) {
609 case ASN_BIT_STR: /* 0x03, asn1.h */
610 ZVAL_STRINGL(val, (char *)vars->val.bitstring, vars->val_len, 1);
611 break;
612
613 case ASN_OCTET_STR: /* 0x04, asn1.h */
614 case ASN_OPAQUE: /* 0x44, snmp_impl.h */
615 ZVAL_STRINGL(val, (char *)vars->val.string, vars->val_len, 1);
616 break;
617
618 case ASN_NULL: /* 0x05, asn1.h */
619 ZVAL_NULL(val);
620 break;
621
622 case ASN_OBJECT_ID: /* 0x06, asn1.h */
623 snprint_objid(buf, buflen, vars->val.objid, vars->val_len / sizeof(oid));
624 ZVAL_STRING(val, buf, 1);
625 break;
626
627 case ASN_IPADDRESS: /* 0x40, snmp_impl.h */
628 snprintf(buf, buflen, "%d.%d.%d.%d",
629 (vars->val.string)[0], (vars->val.string)[1],
630 (vars->val.string)[2], (vars->val.string)[3]);
631 buf[buflen]=0;
632 ZVAL_STRING(val, buf, 1);
633 break;
634
635 case ASN_COUNTER: /* 0x41, snmp_impl.h */
636 case ASN_GAUGE: /* 0x42, snmp_impl.h */
637 /* ASN_UNSIGNED is the same as ASN_GAUGE */
638 case ASN_TIMETICKS: /* 0x43, snmp_impl.h */
639 case ASN_UINTEGER: /* 0x47, snmp_impl.h */
640 snprintf(buf, buflen, "%lu", *vars->val.integer);
641 buf[buflen]=0;
642 ZVAL_STRING(val, buf, 1);
643 break;
644
645 case ASN_INTEGER: /* 0x02, asn1.h */
646 snprintf(buf, buflen, "%ld", *vars->val.integer);
647 buf[buflen]=0;
648 ZVAL_STRING(val, buf, 1);
649 break;
650
651 #if defined(NETSNMP_WITH_OPAQUE_SPECIAL_TYPES) || defined(OPAQUE_SPECIAL_TYPES)
652 case ASN_OPAQUE_FLOAT: /* 0x78, asn1.h */
653 snprintf(buf, buflen, "%f", *vars->val.floatVal);
654 ZVAL_STRING(val, buf, 1);
655 break;
656
657 case ASN_OPAQUE_DOUBLE: /* 0x79, asn1.h */
658 snprintf(buf, buflen, "%Lf", *vars->val.doubleVal);
659 ZVAL_STRING(val, buf, 1);
660 break;
661
662 case ASN_OPAQUE_I64: /* 0x80, asn1.h */
663 printI64(buf, vars->val.counter64);
664 ZVAL_STRING(val, buf, 1);
665 break;
666
667 case ASN_OPAQUE_U64: /* 0x81, asn1.h */
668 #endif
669 case ASN_COUNTER64: /* 0x46, snmp_impl.h */
670 printU64(buf, vars->val.counter64);
671 ZVAL_STRING(val, buf, 1);
672 break;
673
674 default:
675 ZVAL_STRING(val, "Unknown value type", 1);
676 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown value type: %u", vars->type);
677 break;
678 }
679 } else /* use Net-SNMP value translation */ {
680 /* we have desired string in buffer, just use it */
681 ZVAL_STRING(val, buf, 1);
682 }
683
684 if (valueretrieval & SNMP_VALUE_OBJECT) {
685 object_init(snmpval);
686 add_property_long(snmpval, "type", vars->type);
687 add_property_zval(snmpval, "value", val);
688 } else {
689 *snmpval = *val;
690 zval_copy_ctor(snmpval);
691 }
692 zval_ptr_dtor(&val);
693
694 if(dbuf){ /* malloc was used to store value */
695 efree(dbuf);
696 }
697 }
698 /* }}} */
699
700 /* {{{ php_snmp_internal
701 *
702 * SNMP object fetcher/setter for all SNMP versions
703 *
704 */
php_snmp_internal(INTERNAL_FUNCTION_PARAMETERS,int st,struct snmp_session * session,struct objid_query * objid_query)705 static void php_snmp_internal(INTERNAL_FUNCTION_PARAMETERS, int st,
706 struct snmp_session *session,
707 struct objid_query *objid_query)
708 {
709 struct snmp_session *ss;
710 struct snmp_pdu *pdu=NULL, *response;
711 struct variable_list *vars;
712 oid root[MAX_NAME_LEN];
713 size_t rootlen = 0;
714 int status, count, found;
715 char buf[2048];
716 char buf2[2048];
717 int keepwalking=1;
718 char *err;
719 zval *snmpval = NULL;
720 int snmp_errno;
721
722 /* we start with retval=FALSE. If any actual data is acquired, retval will be set to appropriate type */
723 RETVAL_FALSE;
724
725 /* reset errno and errstr */
726 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_NOERROR, "");
727
728 if (st & SNMP_CMD_WALK) { /* remember root OID */
729 memmove((char *)root, (char *)(objid_query->vars[0].name), (objid_query->vars[0].name_length) * sizeof(oid));
730 rootlen = objid_query->vars[0].name_length;
731 objid_query->offset = objid_query->count;
732 }
733
734 if ((ss = snmp_open(session)) == NULL) {
735 snmp_error(session, NULL, NULL, &err);
736 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not open snmp connection: %s", err);
737 free(err);
738 RETVAL_FALSE;
739 return;
740 }
741
742 if ((st & SNMP_CMD_SET) && objid_query->count > objid_query->step) {
743 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES, "Can not fit all OIDs for SET query into one packet, using multiple queries");
744 }
745
746 while (keepwalking) {
747 keepwalking = 0;
748 if (st & SNMP_CMD_WALK) {
749 if (session->version == SNMP_VERSION_1) {
750 pdu = snmp_pdu_create(SNMP_MSG_GETNEXT);
751 } else {
752 pdu = snmp_pdu_create(SNMP_MSG_GETBULK);
753 pdu->non_repeaters = objid_query->non_repeaters;
754 pdu->max_repetitions = objid_query->max_repetitions;
755 }
756 snmp_add_null_var(pdu, objid_query->vars[0].name, objid_query->vars[0].name_length);
757 } else {
758 if (st & SNMP_CMD_GET) {
759 pdu = snmp_pdu_create(SNMP_MSG_GET);
760 } else if (st & SNMP_CMD_GETNEXT) {
761 pdu = snmp_pdu_create(SNMP_MSG_GETNEXT);
762 } else if (st & SNMP_CMD_SET) {
763 pdu = snmp_pdu_create(SNMP_MSG_SET);
764 } else {
765 snmp_close(ss);
766 php_error_docref(NULL TSRMLS_CC, E_ERROR, "Unknown SNMP command (internals)");
767 RETVAL_FALSE;
768 return;
769 }
770 for (count = 0; objid_query->offset < objid_query->count && count < objid_query->step; objid_query->offset++, count++){
771 if (st & SNMP_CMD_SET) {
772 if ((snmp_errno = snmp_add_var(pdu, objid_query->vars[objid_query->offset].name, objid_query->vars[objid_query->offset].name_length, objid_query->vars[objid_query->offset].type, objid_query->vars[objid_query->offset].value))) {
773 snprint_objid(buf, sizeof(buf), objid_query->vars[objid_query->offset].name, objid_query->vars[objid_query->offset].name_length);
774 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Could not add variable: OID='%s' type='%c' value='%s': %s", buf, objid_query->vars[objid_query->offset].type, objid_query->vars[objid_query->offset].value, snmp_api_errstring(snmp_errno));
775 snmp_free_pdu(pdu);
776 snmp_close(ss);
777 RETVAL_FALSE;
778 return;
779 }
780 } else {
781 snmp_add_null_var(pdu, objid_query->vars[objid_query->offset].name, objid_query->vars[objid_query->offset].name_length);
782 }
783 }
784 if(pdu->variables == NULL){
785 snmp_free_pdu(pdu);
786 snmp_close(ss);
787 RETVAL_FALSE;
788 return;
789 }
790 }
791
792 retry:
793 status = snmp_synch_response(ss, pdu, &response);
794 if (status == STAT_SUCCESS) {
795 if (response->errstat == SNMP_ERR_NOERROR) {
796 if (st & SNMP_CMD_SET) {
797 if (objid_query->offset < objid_query->count) { /* we have unprocessed OIDs */
798 keepwalking = 1;
799 continue;
800 }
801 snmp_free_pdu(response);
802 snmp_close(ss);
803 RETVAL_TRUE;
804 return;
805 }
806 for (vars = response->variables; vars; vars = vars->next_variable) {
807 /* do not output errors as values */
808 if ( vars->type == SNMP_ENDOFMIBVIEW ||
809 vars->type == SNMP_NOSUCHOBJECT ||
810 vars->type == SNMP_NOSUCHINSTANCE ) {
811 if ((st & SNMP_CMD_WALK) && Z_TYPE_P(return_value) == IS_ARRAY) {
812 break;
813 }
814 snprint_objid(buf, sizeof(buf), vars->name, vars->name_length);
815 snprint_value(buf2, sizeof(buf2), vars->name, vars->name_length, vars);
816 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at '%s': %s", buf, buf2);
817 continue;
818 }
819
820 if ((st & SNMP_CMD_WALK) &&
821 (vars->name_length < rootlen || memcmp(root, vars->name, rootlen * sizeof(oid)))) { /* not part of this subtree */
822 if (Z_TYPE_P(return_value) == IS_ARRAY) { /* some records are fetched already, shut down further lookup */
823 keepwalking = 0;
824 } else {
825 /* first fetched OID is out of subtree, fallback to GET query */
826 st |= SNMP_CMD_GET;
827 st ^= SNMP_CMD_WALK;
828 objid_query->offset = 0;
829 keepwalking = 1;
830 }
831 break;
832 }
833
834 MAKE_STD_ZVAL(snmpval);
835 php_snmp_getvalue(vars, snmpval TSRMLS_CC, objid_query->valueretrieval);
836
837 if (objid_query->array_output) {
838 if (Z_TYPE_P(return_value) == IS_BOOL) {
839 array_init(return_value);
840 }
841 if (st & SNMP_NUMERIC_KEYS) {
842 add_next_index_zval(return_value, snmpval);
843 } else if (st & SNMP_ORIGINAL_NAMES_AS_KEYS && st & SNMP_CMD_GET) {
844 found = 0;
845 for (count = 0; count < objid_query->count; count++) {
846 if (objid_query->vars[count].name_length == vars->name_length && snmp_oid_compare(objid_query->vars[count].name, objid_query->vars[count].name_length, vars->name, vars->name_length) == 0) {
847 found = 1;
848 objid_query->vars[count].name_length = 0; /* mark this name as used */
849 break;
850 }
851 }
852 if (found) {
853 add_assoc_zval(return_value, objid_query->vars[count].oid, snmpval);
854 } else {
855 snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
856 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not find original OID name for '%s'", buf2);
857 }
858 } else if (st & SNMP_USE_SUFFIX_AS_KEYS && st & SNMP_CMD_WALK) {
859 snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
860 if (rootlen <= vars->name_length && snmp_oid_compare(root, rootlen, vars->name, rootlen) == 0) {
861 buf2[0] = '\0';
862 count = rootlen;
863 while(count < vars->name_length){
864 sprintf(buf, "%lu.", vars->name[count]);
865 strcat(buf2, buf);
866 count++;
867 }
868 buf2[strlen(buf2) - 1] = '\0'; /* remove trailing '.' */
869 }
870 add_assoc_zval(return_value, buf2, snmpval);
871 } else {
872 snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
873 add_assoc_zval(return_value, buf2, snmpval);
874 }
875 } else {
876 *return_value = *snmpval;
877 zval_copy_ctor(return_value);
878 zval_ptr_dtor(&snmpval);
879 break;
880 }
881
882 /* OID increase check */
883 if (st & SNMP_CMD_WALK) {
884 if (objid_query->oid_increasing_check == TRUE && snmp_oid_compare(objid_query->vars[0].name, objid_query->vars[0].name_length, vars->name, vars->name_length) >= 0) {
885 snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
886 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_NOT_INCREASING, "Error: OID not increasing: %s", buf2);
887 keepwalking = 0;
888 } else {
889 memmove((char *)(objid_query->vars[0].name), (char *)vars->name, vars->name_length * sizeof(oid));
890 objid_query->vars[0].name_length = vars->name_length;
891 keepwalking = 1;
892 }
893 }
894 }
895 if (objid_query->offset < objid_query->count) { /* we have unprocessed OIDs */
896 keepwalking = 1;
897 }
898 } else {
899 if (st & SNMP_CMD_WALK && response->errstat == SNMP_ERR_TOOBIG && objid_query->max_repetitions > 1) { /* Answer will not fit into single packet */
900 objid_query->max_repetitions /= 2;
901 snmp_free_pdu(response);
902 keepwalking = 1;
903 continue;
904 }
905 if (!(st & SNMP_CMD_WALK) || response->errstat != SNMP_ERR_NOSUCHNAME || Z_TYPE_P(return_value) == IS_BOOL) {
906 for ( count=1, vars = response->variables;
907 vars && count != response->errindex;
908 vars = vars->next_variable, count++);
909
910 if (st & (SNMP_CMD_GET | SNMP_CMD_GETNEXT) && response->errstat == SNMP_ERR_TOOBIG && objid_query->step > 1) { /* Answer will not fit into single packet */
911 objid_query->offset = ((objid_query->offset > objid_query->step) ? (objid_query->offset - objid_query->step) : 0 );
912 objid_query->step /= 2;
913 snmp_free_pdu(response);
914 keepwalking = 1;
915 continue;
916 }
917 if (vars) {
918 snprint_objid(buf, sizeof(buf), vars->name, vars->name_length);
919 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at '%s': %s", buf, snmp_errstring(response->errstat));
920 } else {
921 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at %u object_id: %s", response->errindex, snmp_errstring(response->errstat));
922 }
923 if (st & (SNMP_CMD_GET | SNMP_CMD_GETNEXT)) { /* cut out bogus OID and retry */
924 if ((pdu = snmp_fix_pdu(response, ((st & SNMP_CMD_GET) ? SNMP_MSG_GET : SNMP_MSG_GETNEXT) )) != NULL) {
925 snmp_free_pdu(response);
926 goto retry;
927 }
928 }
929 snmp_free_pdu(response);
930 snmp_close(ss);
931 if (objid_query->array_output) {
932 zval_dtor(return_value);
933 }
934 RETVAL_FALSE;
935 return;
936 }
937 }
938 } else if (status == STAT_TIMEOUT) {
939 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_TIMEOUT, "No response from %s", session->peername);
940 if (objid_query->array_output) {
941 zval_dtor(return_value);
942 }
943 snmp_close(ss);
944 RETVAL_FALSE;
945 return;
946 } else { /* status == STAT_ERROR */
947 snmp_error(ss, NULL, NULL, &err);
948 php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_GENERIC, "Fatal error: %s", err);
949 free(err);
950 if (objid_query->array_output) {
951 zval_dtor(return_value);
952 }
953 snmp_close(ss);
954 RETVAL_FALSE;
955 return;
956 }
957 if (response) {
958 snmp_free_pdu(response);
959 }
960 } /* keepwalking */
961 snmp_close(ss);
962 }
963 /* }}} */
964
965 /* {{{ php_snmp_parse_oid
966 *
967 * OID parser (and type, value for SNMP_SET command)
968 */
969
php_snmp_parse_oid(zval * object,int st,struct objid_query * objid_query,zval ** oid,zval ** type,zval ** value TSRMLS_DC)970 static int php_snmp_parse_oid(zval *object, int st, struct objid_query *objid_query, zval **oid, zval **type, zval **value TSRMLS_DC)
971 {
972 char *pptr;
973 HashPosition pos_oid, pos_type, pos_value;
974 zval **tmp_oid, **tmp_type, **tmp_value;
975
976 if (Z_TYPE_PP(oid) != IS_ARRAY) {
977 if (Z_ISREF_PP(oid)) {
978 SEPARATE_ZVAL(oid);
979 }
980 convert_to_string_ex(oid);
981 } else if (Z_TYPE_PP(oid) == IS_ARRAY) {
982 zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(oid), &pos_oid);
983 }
984
985 if (st & SNMP_CMD_SET) {
986 if (Z_TYPE_PP(type) != IS_ARRAY) {
987 if (Z_ISREF_PP(type)) {
988 SEPARATE_ZVAL(type);
989 }
990 convert_to_string_ex(type);
991 } else if (Z_TYPE_PP(type) == IS_ARRAY) {
992 zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(type), &pos_type);
993 }
994
995 if (Z_TYPE_PP(value) != IS_ARRAY) {
996 if (Z_ISREF_PP(value)) {
997 SEPARATE_ZVAL(value);
998 }
999 convert_to_string_ex(value);
1000 } else if (Z_TYPE_PP(value) == IS_ARRAY) {
1001 zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(value), &pos_value);
1002 }
1003 }
1004
1005 objid_query->count = 0;
1006 objid_query->array_output = ((st & SNMP_CMD_WALK) ? TRUE : FALSE);
1007 if (Z_TYPE_PP(oid) == IS_STRING) {
1008 objid_query->vars = (snmpobjarg *)emalloc(sizeof(snmpobjarg));
1009 if (objid_query->vars == NULL) {
1010 php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed while parsing oid: %s", strerror(errno));
1011 efree(objid_query->vars);
1012 return FALSE;
1013 }
1014 objid_query->vars[objid_query->count].oid = Z_STRVAL_PP(oid);
1015 if (st & SNMP_CMD_SET) {
1016 if (Z_TYPE_PP(type) == IS_STRING && Z_TYPE_PP(value) == IS_STRING) {
1017 if (Z_STRLEN_PP(type) != 1) {
1018 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bogus type '%s', should be single char, got %u", Z_STRVAL_PP(type), Z_STRLEN_PP(type));
1019 efree(objid_query->vars);
1020 return FALSE;
1021 }
1022 pptr = Z_STRVAL_PP(type);
1023 objid_query->vars[objid_query->count].type = *pptr;
1024 objid_query->vars[objid_query->count].value = Z_STRVAL_PP(value);
1025 } else {
1026 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Single objid and multiple type or values are not supported");
1027 efree(objid_query->vars);
1028 return FALSE;
1029 }
1030 }
1031 objid_query->count++;
1032 } else if (Z_TYPE_PP(oid) == IS_ARRAY) { /* we got objid array */
1033 if (zend_hash_num_elements(Z_ARRVAL_PP(oid)) == 0) {
1034 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Got empty OID array");
1035 return FALSE;
1036 }
1037 objid_query->vars = (snmpobjarg *)emalloc(sizeof(snmpobjarg) * zend_hash_num_elements(Z_ARRVAL_PP(oid)));
1038 if (objid_query->vars == NULL) {
1039 php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed while parsing oid array: %s", strerror(errno));
1040 efree(objid_query->vars);
1041 return FALSE;
1042 }
1043 objid_query->array_output = ( (st & SNMP_CMD_SET) ? FALSE : TRUE );
1044 for ( zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(oid), &pos_oid);
1045 zend_hash_get_current_data_ex(Z_ARRVAL_PP(oid), (void **) &tmp_oid, &pos_oid) == SUCCESS;
1046 zend_hash_move_forward_ex(Z_ARRVAL_PP(oid), &pos_oid) ) {
1047
1048 convert_to_string_ex(tmp_oid);
1049 objid_query->vars[objid_query->count].oid = Z_STRVAL_PP(tmp_oid);
1050 if (st & SNMP_CMD_SET) {
1051 if (Z_TYPE_PP(type) == IS_STRING) {
1052 pptr = Z_STRVAL_PP(type);
1053 objid_query->vars[objid_query->count].type = *pptr;
1054 } else if (Z_TYPE_PP(type) == IS_ARRAY) {
1055 if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(type), (void **) &tmp_type, &pos_type)) {
1056 convert_to_string_ex(tmp_type);
1057 if (Z_STRLEN_PP(tmp_type) != 1) {
1058 php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': bogus type '%s', should be single char, got %u", Z_STRVAL_PP(tmp_oid), Z_STRVAL_PP(tmp_type), Z_STRLEN_PP(tmp_type));
1059 efree(objid_query->vars);
1060 return FALSE;
1061 }
1062 pptr = Z_STRVAL_PP(tmp_type);
1063 objid_query->vars[objid_query->count].type = *pptr;
1064 zend_hash_move_forward_ex(Z_ARRVAL_PP(type), &pos_type);
1065 } else {
1066 php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': no type set", Z_STRVAL_PP(tmp_oid));
1067 efree(objid_query->vars);
1068 return FALSE;
1069 }
1070 }
1071
1072 if (Z_TYPE_PP(value) == IS_STRING) {
1073 objid_query->vars[objid_query->count].value = Z_STRVAL_PP(value);
1074 } else if (Z_TYPE_PP(value) == IS_ARRAY) {
1075 if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(value), (void **) &tmp_value, &pos_value)) {
1076 convert_to_string_ex(tmp_value);
1077 objid_query->vars[objid_query->count].value = Z_STRVAL_PP(tmp_value);
1078 zend_hash_move_forward_ex(Z_ARRVAL_PP(value), &pos_value);
1079 } else {
1080 php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': no value set", Z_STRVAL_PP(tmp_oid));
1081 efree(objid_query->vars);
1082 return FALSE;
1083 }
1084 }
1085 }
1086 objid_query->count++;
1087 }
1088 }
1089
1090 /* now parse all OIDs */
1091 if (st & SNMP_CMD_WALK) {
1092 if (objid_query->count > 1) {
1093 php_snmp_error(object, NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Multi OID walks are not supported!");
1094 efree(objid_query->vars);
1095 return FALSE;
1096 }
1097 objid_query->vars[0].name_length = MAX_NAME_LEN;
1098 if (strlen(objid_query->vars[0].oid)) { /* on a walk, an empty string means top of tree - no error */
1099 if (!snmp_parse_oid(objid_query->vars[0].oid, objid_query->vars[0].name, &(objid_query->vars[0].name_length))) {
1100 php_snmp_error(object, NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Invalid object identifier: %s", objid_query->vars[0].oid);
1101 efree(objid_query->vars);
1102 return FALSE;
1103 }
1104 } else {
1105 memmove((char *)objid_query->vars[0].name, (char *)objid_mib, sizeof(objid_mib));
1106 objid_query->vars[0].name_length = sizeof(objid_mib) / sizeof(oid);
1107 }
1108 } else {
1109 for (objid_query->offset = 0; objid_query->offset < objid_query->count; objid_query->offset++) {
1110 objid_query->vars[objid_query->offset].name_length = MAX_OID_LEN;
1111 if (!snmp_parse_oid(objid_query->vars[objid_query->offset].oid, objid_query->vars[objid_query->offset].name, &(objid_query->vars[objid_query->offset].name_length))) {
1112 php_snmp_error(object, NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Invalid object identifier: %s", objid_query->vars[objid_query->offset].oid);
1113 efree(objid_query->vars);
1114 return FALSE;
1115 }
1116 }
1117 }
1118 objid_query->offset = 0;
1119 objid_query->step = objid_query->count;
1120 return (objid_query->count > 0);
1121 }
1122 /* }}} */
1123
1124 /* {{{ netsnmp_session_init
1125 allocates memory for session and session->peername, caller should free it manually using netsnmp_session_free() and efree()
1126 */
netsnmp_session_init(php_snmp_session ** session_p,int version,char * hostname,char * community,int timeout,int retries TSRMLS_DC)1127 static int netsnmp_session_init(php_snmp_session **session_p, int version, char *hostname, char *community, int timeout, int retries TSRMLS_DC)
1128 {
1129 php_snmp_session *session;
1130 char *pptr, *host_ptr;
1131 int force_ipv6 = FALSE;
1132 int n;
1133 struct sockaddr **psal;
1134 struct sockaddr **res;
1135
1136 *session_p = (php_snmp_session *)emalloc(sizeof(php_snmp_session));
1137 session = *session_p;
1138 if (session == NULL) {
1139 php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed allocating session");
1140 return (-1);
1141 }
1142 memset(session, 0, sizeof(php_snmp_session));
1143
1144 snmp_sess_init(session);
1145
1146 session->version = version;
1147 session->remote_port = SNMP_PORT;
1148
1149 session->peername = emalloc(MAX_NAME_LEN);
1150 if (session->peername == NULL) {
1151 php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed while copying hostname");
1152 return (-1);
1153 }
1154 /* we copy original hostname for further processing */
1155 strlcpy(session->peername, hostname, MAX_NAME_LEN);
1156 host_ptr = session->peername;
1157
1158 /* Reading the hostname and its optional non-default port number */
1159 if (*host_ptr == '[') { /* IPv6 address */
1160 force_ipv6 = TRUE;
1161 host_ptr++;
1162 if ((pptr = strchr(host_ptr, ']'))) {
1163 if (pptr[1] == ':') {
1164 session->remote_port = atoi(pptr + 2);
1165 }
1166 *pptr = '\0';
1167 } else {
1168 php_error_docref(NULL TSRMLS_CC, E_WARNING, "malformed IPv6 address, closing square bracket missing");
1169 return (-1);
1170 }
1171 } else { /* IPv4 address */
1172 if ((pptr = strchr(host_ptr, ':'))) {
1173 session->remote_port = atoi(pptr + 1);
1174 *pptr = '\0';
1175 }
1176 }
1177
1178 /* since Net-SNMP library requires 'udp6:' prefix for all IPv6 addresses (in FQDN form too) we need to
1179 perform possible name resolution before running any SNMP queries */
1180 if ((n = php_network_getaddresses(host_ptr, SOCK_DGRAM, &psal, NULL TSRMLS_CC)) == 0) { /* some resolver error */
1181 /* warnings sent, bailing out */
1182 return (-1);
1183 }
1184
1185 /* we have everything we need in psal, flush peername and fill it properly */
1186 *(session->peername) = '\0';
1187 res = psal;
1188 while (n-- > 0) {
1189 pptr = session->peername;
1190 #if HAVE_GETADDRINFO && HAVE_IPV6 && HAVE_INET_NTOP
1191 if (force_ipv6 && (*res)->sa_family != AF_INET6) {
1192 res++;
1193 continue;
1194 }
1195 if ((*res)->sa_family == AF_INET6) {
1196 strcpy(session->peername, "udp6:[");
1197 pptr = session->peername + strlen(session->peername);
1198 inet_ntop((*res)->sa_family, &(((struct sockaddr_in6*)(*res))->sin6_addr), pptr, MAX_NAME_LEN);
1199 strcat(pptr, "]");
1200 } else if ((*res)->sa_family == AF_INET) {
1201 inet_ntop((*res)->sa_family, &(((struct sockaddr_in*)(*res))->sin_addr), pptr, MAX_NAME_LEN);
1202 } else {
1203 res++;
1204 continue;
1205 }
1206 #else
1207 if ((*res)->sa_family != AF_INET) {
1208 res++;
1209 continue;
1210 }
1211 strcat(pptr, inet_ntoa(((struct sockaddr_in*)(*res))->sin_addr));
1212 #endif
1213 break;
1214 }
1215
1216 if (strlen(session->peername) == 0) {
1217 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown failure while resolving '%s'", hostname);
1218 return (-1);
1219 }
1220 /* XXX FIXME
1221 There should be check for non-empty session->peername!
1222 */
1223
1224 /* put back non-standard SNMP port */
1225 if (session->remote_port != SNMP_PORT) {
1226 pptr = session->peername + strlen(session->peername);
1227 sprintf(pptr, ":%d", session->remote_port);
1228 }
1229
1230 php_network_freeaddresses(psal);
1231
1232 if (version == SNMP_VERSION_3) {
1233 /* Setting the security name. */
1234 session->securityName = estrdup(community);
1235 session->securityNameLen = strlen(session->securityName);
1236 } else {
1237 session->authenticator = NULL;
1238 session->community = (u_char *)estrdup(community);
1239 session->community_len = strlen(community);
1240 }
1241
1242 session->retries = retries;
1243 session->timeout = timeout;
1244 return (0);
1245 }
1246 /* }}} */
1247
1248 /* {{{ int netsnmp_session_set_sec_level(struct snmp_session *s, char *level)
1249 Set the security level in the snmpv3 session */
netsnmp_session_set_sec_level(struct snmp_session * s,char * level)1250 static int netsnmp_session_set_sec_level(struct snmp_session *s, char *level)
1251 {
1252 if (!strcasecmp(level, "noAuthNoPriv") || !strcasecmp(level, "nanp")) {
1253 s->securityLevel = SNMP_SEC_LEVEL_NOAUTH;
1254 } else if (!strcasecmp(level, "authNoPriv") || !strcasecmp(level, "anp")) {
1255 s->securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV;
1256 } else if (!strcasecmp(level, "authPriv") || !strcasecmp(level, "ap")) {
1257 s->securityLevel = SNMP_SEC_LEVEL_AUTHPRIV;
1258 } else {
1259 return (-1);
1260 }
1261 return (0);
1262 }
1263 /* }}} */
1264
1265 /* {{{ int netsnmp_session_set_auth_protocol(struct snmp_session *s, char *prot)
1266 Set the authentication protocol in the snmpv3 session */
netsnmp_session_set_auth_protocol(struct snmp_session * s,char * prot TSRMLS_DC)1267 static int netsnmp_session_set_auth_protocol(struct snmp_session *s, char *prot TSRMLS_DC)
1268 {
1269 if (!strcasecmp(prot, "MD5")) {
1270 s->securityAuthProto = usmHMACMD5AuthProtocol;
1271 s->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
1272 } else if (!strcasecmp(prot, "SHA")) {
1273 s->securityAuthProto = usmHMACSHA1AuthProtocol;
1274 s->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
1275 } else {
1276 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown authentication protocol '%s'", prot);
1277 return (-1);
1278 }
1279 return (0);
1280 }
1281 /* }}} */
1282
1283 /* {{{ int netsnmp_session_set_sec_protocol(struct snmp_session *s, char *prot)
1284 Set the security protocol in the snmpv3 session */
netsnmp_session_set_sec_protocol(struct snmp_session * s,char * prot TSRMLS_DC)1285 static int netsnmp_session_set_sec_protocol(struct snmp_session *s, char *prot TSRMLS_DC)
1286 {
1287 if (!strcasecmp(prot, "DES")) {
1288 s->securityPrivProto = usmDESPrivProtocol;
1289 s->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
1290 #ifdef HAVE_AES
1291 } else if (!strcasecmp(prot, "AES128") || !strcasecmp(prot, "AES")) {
1292 s->securityPrivProto = usmAESPrivProtocol;
1293 s->securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN;
1294 #endif
1295 } else {
1296 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown security protocol '%s'", prot);
1297 return (-1);
1298 }
1299 return (0);
1300 }
1301 /* }}} */
1302
1303 /* {{{ int netsnmp_session_gen_auth_key(struct snmp_session *s, char *pass)
1304 Make key from pass phrase in the snmpv3 session */
netsnmp_session_gen_auth_key(struct snmp_session * s,char * pass TSRMLS_DC)1305 static int netsnmp_session_gen_auth_key(struct snmp_session *s, char *pass TSRMLS_DC)
1306 {
1307 int snmp_errno;
1308 s->securityAuthKeyLen = USM_AUTH_KU_LEN;
1309 if ((snmp_errno = generate_Ku(s->securityAuthProto, s->securityAuthProtoLen,
1310 (u_char *) pass, strlen(pass),
1311 s->securityAuthKey, &(s->securityAuthKeyLen)))) {
1312 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error generating a key for authentication pass phrase '%s': %s", pass, snmp_api_errstring(snmp_errno));
1313 return (-1);
1314 }
1315 return (0);
1316 }
1317 /* }}} */
1318
1319 /* {{{ int netsnmp_session_gen_sec_key(struct snmp_session *s, u_char *pass)
1320 Make key from pass phrase in the snmpv3 session */
netsnmp_session_gen_sec_key(struct snmp_session * s,char * pass TSRMLS_DC)1321 static int netsnmp_session_gen_sec_key(struct snmp_session *s, char *pass TSRMLS_DC)
1322 {
1323 int snmp_errno;
1324
1325 s->securityPrivKeyLen = USM_PRIV_KU_LEN;
1326 if ((snmp_errno = generate_Ku(s->securityAuthProto, s->securityAuthProtoLen,
1327 (u_char *)pass, strlen(pass),
1328 s->securityPrivKey, &(s->securityPrivKeyLen)))) {
1329 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error generating a key for privacy pass phrase '%s': %s", pass, snmp_api_errstring(snmp_errno));
1330 return (-2);
1331 }
1332 return (0);
1333 }
1334 /* }}} */
1335
1336 /* {{{ in netsnmp_session_set_contextEngineID(struct snmp_session *s, u_char * contextEngineID)
1337 Set context Engine Id in the snmpv3 session */
netsnmp_session_set_contextEngineID(struct snmp_session * s,char * contextEngineID TSRMLS_DC)1338 static int netsnmp_session_set_contextEngineID(struct snmp_session *s, char * contextEngineID TSRMLS_DC)
1339 {
1340 size_t ebuf_len = 32, eout_len = 0;
1341 u_char *ebuf = (u_char *) emalloc(ebuf_len);
1342
1343 if (ebuf == NULL) {
1344 php_error_docref(NULL TSRMLS_CC, E_WARNING, "malloc failure setting contextEngineID");
1345 return (-1);
1346 }
1347 if (!snmp_hex_to_binary(&ebuf, &ebuf_len, &eout_len, 1, contextEngineID)) {
1348 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad engine ID value '%s'", contextEngineID);
1349 efree(ebuf);
1350 return (-1);
1351 }
1352
1353 if (s->contextEngineID) {
1354 efree(s->contextEngineID);
1355 }
1356
1357 s->contextEngineID = ebuf;
1358 s->contextEngineIDLen = eout_len;
1359 return (0);
1360 }
1361 /* }}} */
1362
1363 /* {{{ php_set_security(struct snmp_session *session, char *sec_level, char *auth_protocol, char *auth_passphrase, char *priv_protocol, char *priv_passphrase, char *contextName, char *contextEngineID)
1364 Set all snmpv3-related security options */
netsnmp_session_set_security(struct snmp_session * session,char * sec_level,char * auth_protocol,char * auth_passphrase,char * priv_protocol,char * priv_passphrase,char * contextName,char * contextEngineID TSRMLS_DC)1365 static int netsnmp_session_set_security(struct snmp_session *session, char *sec_level, char *auth_protocol, char *auth_passphrase, char *priv_protocol, char *priv_passphrase, char *contextName, char *contextEngineID TSRMLS_DC)
1366 {
1367
1368 /* Setting the security level. */
1369 if (netsnmp_session_set_sec_level(session, sec_level)) {
1370 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid security level '%s'", sec_level);
1371 return (-1);
1372 }
1373
1374 if (session->securityLevel == SNMP_SEC_LEVEL_AUTHNOPRIV || session->securityLevel == SNMP_SEC_LEVEL_AUTHPRIV) {
1375
1376 /* Setting the authentication protocol. */
1377 if (netsnmp_session_set_auth_protocol(session, auth_protocol TSRMLS_CC)) {
1378 /* Warning message sent already, just bail out */
1379 return (-1);
1380 }
1381
1382 /* Setting the authentication passphrase. */
1383 if (netsnmp_session_gen_auth_key(session, auth_passphrase TSRMLS_CC)) {
1384 /* Warning message sent already, just bail out */
1385 return (-1);
1386 }
1387
1388 if (session->securityLevel == SNMP_SEC_LEVEL_AUTHPRIV) {
1389 /* Setting the security protocol. */
1390 if (netsnmp_session_set_sec_protocol(session, priv_protocol TSRMLS_CC)) {
1391 /* Warning message sent already, just bail out */
1392 return (-1);
1393 }
1394
1395 /* Setting the security protocol passphrase. */
1396 if (netsnmp_session_gen_sec_key(session, priv_passphrase TSRMLS_CC)) {
1397 /* Warning message sent already, just bail out */
1398 return (-1);
1399 }
1400 }
1401 }
1402
1403 /* Setting contextName if specified */
1404 if (contextName) {
1405 session->contextName = contextName;
1406 session->contextNameLen = strlen(contextName);
1407 }
1408
1409 /* Setting contextEngineIS if specified */
1410 if (contextEngineID && strlen(contextEngineID) && netsnmp_session_set_contextEngineID(session, contextEngineID TSRMLS_CC)) {
1411 /* Warning message sent already, just bail out */
1412 return (-1);
1413 }
1414
1415 return (0);
1416 }
1417 /* }}} */
1418
1419 /* {{{ php_snmp
1420 *
1421 * Generic SNMP handler for all versions.
1422 * This function makes use of the internal SNMP object fetcher.
1423 * Used both in old (non-OO) and OO API
1424 *
1425 */
php_snmp(INTERNAL_FUNCTION_PARAMETERS,int st,int version)1426 static void php_snmp(INTERNAL_FUNCTION_PARAMETERS, int st, int version)
1427 {
1428 zval **oid, **value, **type;
1429 char *a1, *a2, *a3, *a4, *a5, *a6, *a7;
1430 int a1_len, a2_len, a3_len, a4_len, a5_len, a6_len, a7_len;
1431 zend_bool use_orignames = 0, suffix_keys = 0;
1432 long timeout = SNMP_DEFAULT_TIMEOUT;
1433 long retries = SNMP_DEFAULT_RETRIES;
1434 int argc = ZEND_NUM_ARGS();
1435 struct objid_query objid_query;
1436 php_snmp_session *session;
1437 int session_less_mode = (getThis() == NULL);
1438 php_snmp_object *snmp_object;
1439 php_snmp_object glob_snmp_object;
1440
1441 objid_query.max_repetitions = -1;
1442 objid_query.non_repeaters = 0;
1443 objid_query.valueretrieval = SNMP_G(valueretrieval);
1444 objid_query.oid_increasing_check = TRUE;
1445
1446 if (session_less_mode) {
1447 if (version == SNMP_VERSION_3) {
1448 if (st & SNMP_CMD_SET) {
1449 if (zend_parse_parameters(argc TSRMLS_CC, "sssssssZZZ|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len,
1450 &a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len, &oid, &type, &value, &timeout, &retries) == FAILURE) {
1451 RETURN_FALSE;
1452 }
1453 } else {
1454 /* SNMP_CMD_GET
1455 * SNMP_CMD_GETNEXT
1456 * SNMP_CMD_WALK
1457 */
1458 if (zend_parse_parameters(argc TSRMLS_CC, "sssssssZ|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len,
1459 &a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len, &oid, &timeout, &retries) == FAILURE) {
1460 RETURN_FALSE;
1461 }
1462 }
1463 } else {
1464 if (st & SNMP_CMD_SET) {
1465 if (zend_parse_parameters(argc TSRMLS_CC, "ssZZZ|ll", &a1, &a1_len, &a2, &a2_len, &oid, &type, &value, &timeout, &retries) == FAILURE) {
1466 RETURN_FALSE;
1467 }
1468 } else {
1469 /* SNMP_CMD_GET
1470 * SNMP_CMD_GETNEXT
1471 * SNMP_CMD_WALK
1472 */
1473 if (zend_parse_parameters(argc TSRMLS_CC, "ssZ|ll", &a1, &a1_len, &a2, &a2_len, &oid, &timeout, &retries) == FAILURE) {
1474 RETURN_FALSE;
1475 }
1476 }
1477 }
1478 } else {
1479 if (st & SNMP_CMD_SET) {
1480 if (zend_parse_parameters(argc TSRMLS_CC, "ZZZ", &oid, &type, &value) == FAILURE) {
1481 RETURN_FALSE;
1482 }
1483 } else if (st & SNMP_CMD_WALK) {
1484 if (zend_parse_parameters(argc TSRMLS_CC, "Z|bll", &oid, &suffix_keys, &(objid_query.max_repetitions), &(objid_query.non_repeaters)) == FAILURE) {
1485 RETURN_FALSE;
1486 }
1487 if (suffix_keys) {
1488 st |= SNMP_USE_SUFFIX_AS_KEYS;
1489 }
1490 } else if (st & SNMP_CMD_GET) {
1491 if (zend_parse_parameters(argc TSRMLS_CC, "Z|b", &oid, &use_orignames) == FAILURE) {
1492 RETURN_FALSE;
1493 }
1494 if (use_orignames) {
1495 st |= SNMP_ORIGINAL_NAMES_AS_KEYS;
1496 }
1497 } else {
1498 /* SNMP_CMD_GETNEXT
1499 */
1500 if (zend_parse_parameters(argc TSRMLS_CC, "Z", &oid) == FAILURE) {
1501 RETURN_FALSE;
1502 }
1503 }
1504 }
1505
1506 if (!php_snmp_parse_oid(getThis(), st, &objid_query, oid, type, value TSRMLS_CC)) {
1507 RETURN_FALSE;
1508 }
1509
1510 if (session_less_mode) {
1511 if (netsnmp_session_init(&session, version, a1, a2, timeout, retries TSRMLS_CC)) {
1512 efree(objid_query.vars);
1513 netsnmp_session_free(&session);
1514 RETURN_FALSE;
1515 }
1516 if (version == SNMP_VERSION_3 && netsnmp_session_set_security(session, a3, a4, a5, a6, a7, NULL, NULL TSRMLS_CC)) {
1517 efree(objid_query.vars);
1518 netsnmp_session_free(&session);
1519 /* Warning message sent already, just bail out */
1520 RETURN_FALSE;
1521 }
1522 } else {
1523 zval *object = getThis();
1524 snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
1525 session = snmp_object->session;
1526 if (!session) {
1527 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid or uninitialized SNMP object");
1528 efree(objid_query.vars);
1529 RETURN_FALSE;
1530 }
1531
1532 if (snmp_object->max_oids > 0) {
1533 objid_query.step = snmp_object->max_oids;
1534 if (objid_query.max_repetitions < 0) { /* unspecified in function call, use session-wise */
1535 objid_query.max_repetitions = snmp_object->max_oids;
1536 }
1537 }
1538 objid_query.oid_increasing_check = snmp_object->oid_increasing_check;
1539 objid_query.valueretrieval = snmp_object->valueretrieval;
1540 glob_snmp_object.enum_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM);
1541 netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, snmp_object->enum_print);
1542 glob_snmp_object.quick_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT);
1543 netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, snmp_object->quick_print);
1544 glob_snmp_object.oid_output_format = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT);
1545 netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, snmp_object->oid_output_format);
1546 }
1547
1548 if (objid_query.max_repetitions < 0) {
1549 objid_query.max_repetitions = 20; /* provide correct default value */
1550 }
1551
1552 php_snmp_internal(INTERNAL_FUNCTION_PARAM_PASSTHRU, st, session, &objid_query);
1553
1554 efree(objid_query.vars);
1555
1556 if (session_less_mode) {
1557 netsnmp_session_free(&session);
1558 } else {
1559 netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, glob_snmp_object.enum_print);
1560 netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, glob_snmp_object.quick_print);
1561 netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, glob_snmp_object.oid_output_format);
1562 }
1563 }
1564 /* }}} */
1565
1566 /* {{{ proto mixed snmpget(string host, string community, mixed object_id [, int timeout [, int retries]])
1567 Fetch a SNMP object */
PHP_FUNCTION(snmpget)1568 PHP_FUNCTION(snmpget)
1569 {
1570 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_1);
1571 }
1572 /* }}} */
1573
1574 /* {{{ proto mixed snmpgetnext(string host, string community, mixed object_id [, int timeout [, int retries]])
1575 Fetch a SNMP object */
PHP_FUNCTION(snmpgetnext)1576 PHP_FUNCTION(snmpgetnext)
1577 {
1578 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_1);
1579 }
1580 /* }}} */
1581
1582 /* {{{ proto mixed snmpwalk(string host, string community, mixed object_id [, int timeout [, int retries]])
1583 Return all objects under the specified object id */
PHP_FUNCTION(snmpwalk)1584 PHP_FUNCTION(snmpwalk)
1585 {
1586 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_1);
1587 }
1588 /* }}} */
1589
1590 /* {{{ proto mixed snmprealwalk(string host, string community, mixed object_id [, int timeout [, int retries]])
1591 Return all objects including their respective object id withing the specified one */
PHP_FUNCTION(snmprealwalk)1592 PHP_FUNCTION(snmprealwalk)
1593 {
1594 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_1);
1595 }
1596 /* }}} */
1597
1598 /* {{{ proto bool snmpset(string host, string community, mixed object_id, mixed type, mixed value [, int timeout [, int retries]])
1599 Set the value of a SNMP object */
PHP_FUNCTION(snmpset)1600 PHP_FUNCTION(snmpset)
1601 {
1602 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_1);
1603 }
1604 /* }}} */
1605
1606 /* {{{ proto bool snmp_get_quick_print(void)
1607 Return the current status of quick_print */
PHP_FUNCTION(snmp_get_quick_print)1608 PHP_FUNCTION(snmp_get_quick_print)
1609 {
1610 if (zend_parse_parameters_none() == FAILURE) {
1611 return;
1612 }
1613
1614 RETURN_BOOL(netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT));
1615 }
1616 /* }}} */
1617
1618 /* {{{ proto bool snmp_set_quick_print(int quick_print)
1619 Return all objects including their respective object id withing the specified one */
PHP_FUNCTION(snmp_set_quick_print)1620 PHP_FUNCTION(snmp_set_quick_print)
1621 {
1622 long a1;
1623
1624 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) {
1625 RETURN_FALSE;
1626 }
1627
1628 netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, (int)a1);
1629 RETURN_TRUE;
1630 }
1631 /* }}} */
1632
1633 /* {{{ proto bool snmp_set_enum_print(int enum_print)
1634 Return all values that are enums with their enum value instead of the raw integer */
PHP_FUNCTION(snmp_set_enum_print)1635 PHP_FUNCTION(snmp_set_enum_print)
1636 {
1637 long a1;
1638
1639 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) {
1640 RETURN_FALSE;
1641 }
1642
1643 netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, (int) a1);
1644 RETURN_TRUE;
1645 }
1646 /* }}} */
1647
1648 /* {{{ proto bool snmp_set_oid_output_format(int oid_format)
1649 Set the OID output format. */
PHP_FUNCTION(snmp_set_oid_output_format)1650 PHP_FUNCTION(snmp_set_oid_output_format)
1651 {
1652 long a1;
1653
1654 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) {
1655 RETURN_FALSE;
1656 }
1657
1658 switch((int) a1) {
1659 case NETSNMP_OID_OUTPUT_SUFFIX:
1660 case NETSNMP_OID_OUTPUT_MODULE:
1661 case NETSNMP_OID_OUTPUT_FULL:
1662 case NETSNMP_OID_OUTPUT_NUMERIC:
1663 case NETSNMP_OID_OUTPUT_UCD:
1664 case NETSNMP_OID_OUTPUT_NONE:
1665 netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, a1);
1666 RETURN_TRUE;
1667 break;
1668 default:
1669 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP output print format '%d'", (int) a1);
1670 RETURN_FALSE;
1671 break;
1672 }
1673 }
1674 /* }}} */
1675
1676 /* {{{ proto mixed snmp2_get(string host, string community, mixed object_id [, int timeout [, int retries]])
1677 Fetch a SNMP object */
PHP_FUNCTION(snmp2_get)1678 PHP_FUNCTION(snmp2_get)
1679 {
1680 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_2c);
1681 }
1682 /* }}} */
1683
1684 /* {{{ proto mixed snmp2_getnext(string host, string community, mixed object_id [, int timeout [, int retries]])
1685 Fetch a SNMP object */
PHP_FUNCTION(snmp2_getnext)1686 PHP_FUNCTION(snmp2_getnext)
1687 {
1688 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_2c);
1689 }
1690 /* }}} */
1691
1692 /* {{{ proto mixed snmp2_walk(string host, string community, mixed object_id [, int timeout [, int retries]])
1693 Return all objects under the specified object id */
PHP_FUNCTION(snmp2_walk)1694 PHP_FUNCTION(snmp2_walk)
1695 {
1696 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_2c);
1697 }
1698 /* }}} */
1699
1700 /* {{{ proto mixed snmp2_real_walk(string host, string community, mixed object_id [, int timeout [, int retries]])
1701 Return all objects including their respective object id withing the specified one */
PHP_FUNCTION(snmp2_real_walk)1702 PHP_FUNCTION(snmp2_real_walk)
1703 {
1704 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_2c);
1705 }
1706 /* }}} */
1707
1708 /* {{{ proto bool snmp2_set(string host, string community, mixed object_id, mixed type, mixed value [, int timeout [, int retries]])
1709 Set the value of a SNMP object */
PHP_FUNCTION(snmp2_set)1710 PHP_FUNCTION(snmp2_set)
1711 {
1712 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_2c);
1713 }
1714 /* }}} */
1715
1716 /* {{{ proto mixed snmp3_get(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id [, int timeout [, int retries]])
1717 Fetch the value of a SNMP object */
PHP_FUNCTION(snmp3_get)1718 PHP_FUNCTION(snmp3_get)
1719 {
1720 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_3);
1721 }
1722 /* }}} */
1723
1724 /* {{{ proto mixed snmp3_getnext(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id [, int timeout [, int retries]])
1725 Fetch the value of a SNMP object */
PHP_FUNCTION(snmp3_getnext)1726 PHP_FUNCTION(snmp3_getnext)
1727 {
1728 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_3);
1729 }
1730 /* }}} */
1731
1732 /* {{{ proto mixed snmp3_walk(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id [, int timeout [, int retries]])
1733 Fetch the value of a SNMP object */
PHP_FUNCTION(snmp3_walk)1734 PHP_FUNCTION(snmp3_walk)
1735 {
1736 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_3);
1737 }
1738 /* }}} */
1739
1740 /* {{{ proto mixed snmp3_real_walk(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id [, int timeout [, int retries]])
1741 Fetch the value of a SNMP object */
PHP_FUNCTION(snmp3_real_walk)1742 PHP_FUNCTION(snmp3_real_walk)
1743 {
1744 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_3);
1745 }
1746 /* }}} */
1747
1748 /* {{{ proto bool snmp3_set(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id, mixed type, mixed value [, int timeout [, int retries]])
1749 Fetch the value of a SNMP object */
PHP_FUNCTION(snmp3_set)1750 PHP_FUNCTION(snmp3_set)
1751 {
1752 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_3);
1753 }
1754 /* }}} */
1755
1756 /* {{{ proto bool snmp_set_valueretrieval(int method)
1757 Specify the method how the SNMP values will be returned */
PHP_FUNCTION(snmp_set_valueretrieval)1758 PHP_FUNCTION(snmp_set_valueretrieval)
1759 {
1760 long method;
1761
1762 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &method) == FAILURE) {
1763 RETURN_FALSE;
1764 }
1765
1766 if (method >= 0 && method <= (SNMP_VALUE_LIBRARY|SNMP_VALUE_PLAIN|SNMP_VALUE_OBJECT)) {
1767 SNMP_G(valueretrieval) = method;
1768 RETURN_TRUE;
1769 } else {
1770 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP value retrieval method '%ld'", method);
1771 RETURN_FALSE;
1772 }
1773 }
1774 /* }}} */
1775
1776 /* {{{ proto int snmp_get_valueretrieval()
1777 Return the method how the SNMP values will be returned */
PHP_FUNCTION(snmp_get_valueretrieval)1778 PHP_FUNCTION(snmp_get_valueretrieval)
1779 {
1780 if (zend_parse_parameters_none() == FAILURE) {
1781 RETURN_FALSE;
1782 }
1783
1784 RETURN_LONG(SNMP_G(valueretrieval));
1785 }
1786 /* }}} */
1787
1788 /* {{{ proto bool snmp_read_mib(string filename)
1789 Reads and parses a MIB file into the active MIB tree. */
PHP_FUNCTION(snmp_read_mib)1790 PHP_FUNCTION(snmp_read_mib)
1791 {
1792 char *filename;
1793 int filename_len;
1794
1795 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
1796 RETURN_FALSE;
1797 }
1798
1799 if (!read_mib(filename)) {
1800 char *error = strerror(errno);
1801 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error while reading MIB file '%s': %s", filename, error);
1802 RETURN_FALSE;
1803 }
1804 RETURN_TRUE;
1805 }
1806 /* }}} */
1807
1808 /* {{{ proto SNMP SNMP::__construct(int version, string hostname, string community|securityName [, long timeout [, long retries]])
1809 Creates a new SNMP session to specified host. */
PHP_METHOD(snmp,__construct)1810 PHP_METHOD(snmp, __construct)
1811 {
1812 php_snmp_object *snmp_object;
1813 zval *object = getThis();
1814 char *a1, *a2;
1815 int a1_len, a2_len;
1816 long timeout = SNMP_DEFAULT_TIMEOUT;
1817 long retries = SNMP_DEFAULT_RETRIES;
1818 long version = SNMP_DEFAULT_VERSION;
1819 int argc = ZEND_NUM_ARGS();
1820 zend_error_handling error_handling;
1821
1822 snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
1823 zend_replace_error_handling(EH_THROW, NULL, &error_handling TSRMLS_CC);
1824
1825 if (zend_parse_parameters(argc TSRMLS_CC, "lss|ll", &version, &a1, &a1_len, &a2, &a2_len, &timeout, &retries) == FAILURE) {
1826 zend_restore_error_handling(&error_handling TSRMLS_CC);
1827 return;
1828 }
1829
1830 zend_restore_error_handling(&error_handling TSRMLS_CC);
1831
1832 switch(version) {
1833 case SNMP_VERSION_1:
1834 case SNMP_VERSION_2c:
1835 case SNMP_VERSION_3:
1836 break;
1837 default:
1838 zend_throw_exception(zend_exception_get_default(TSRMLS_C), "Unknown SNMP protocol version", 0 TSRMLS_CC);
1839 return;
1840 }
1841
1842 /* handle re-open of snmp session */
1843 if (snmp_object->session) {
1844 netsnmp_session_free(&(snmp_object->session));
1845 }
1846
1847 if (netsnmp_session_init(&(snmp_object->session), version, a1, a2, timeout, retries TSRMLS_CC)) {
1848 return;
1849 }
1850 snmp_object->max_oids = 0;
1851 snmp_object->valueretrieval = SNMP_G(valueretrieval);
1852 snmp_object->enum_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM);
1853 snmp_object->oid_output_format = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT);
1854 snmp_object->quick_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT);
1855 snmp_object->oid_increasing_check = TRUE;
1856 snmp_object->exceptions_enabled = 0;
1857 }
1858 /* }}} */
1859
1860 /* {{{ proto bool SNMP::close()
1861 Close SNMP session */
PHP_METHOD(snmp,close)1862 PHP_METHOD(snmp, close)
1863 {
1864 php_snmp_object *snmp_object;
1865 zval *object = getThis();
1866
1867 snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
1868
1869 if (zend_parse_parameters_none() == FAILURE) {
1870 RETURN_FALSE;
1871 }
1872
1873 netsnmp_session_free(&(snmp_object->session));
1874
1875 RETURN_TRUE;
1876 }
1877 /* }}} */
1878
1879 /* {{{ proto mixed SNMP::get(mixed object_id [, bool preserve_keys])
1880 Fetch a SNMP object returning scalar for single OID and array of oid->value pairs for multi OID request */
PHP_METHOD(snmp,get)1881 PHP_METHOD(snmp, get)
1882 {
1883 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, (-1));
1884 }
1885 /* }}} */
1886
1887 /* {{{ proto mixed SNMP::getnext(mixed object_id)
1888 Fetch a SNMP object returning scalar for single OID and array of oid->value pairs for multi OID request */
PHP_METHOD(snmp,getnext)1889 PHP_METHOD(snmp, getnext)
1890 {
1891 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, (-1));
1892 }
1893 /* }}} */
1894
1895 /* {{{ proto mixed SNMP::walk(mixed object_id [, bool $suffix_as_key = FALSE [, int $max_repetitions [, int $non_repeaters]])
1896 Return all objects including their respective object id withing the specified one as array of oid->value pairs */
PHP_METHOD(snmp,walk)1897 PHP_METHOD(snmp, walk)
1898 {
1899 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, (-1));
1900 }
1901 /* }}} */
1902
1903 /* {{{ proto bool SNMP::set(mixed object_id, mixed type, mixed value)
1904 Set the value of a SNMP object */
PHP_METHOD(snmp,set)1905 PHP_METHOD(snmp, set)
1906 {
1907 php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, (-1));
1908 }
1909
1910 /* {{{ proto bool SNMP::setSecurity(string sec_level, [ string auth_protocol, string auth_passphrase [, string priv_protocol, string priv_passphrase [, string contextName [, string contextEngineID]]]])
1911 Set SNMPv3 security-related session parameters */
PHP_METHOD(snmp,setSecurity)1912 PHP_METHOD(snmp, setSecurity)
1913 {
1914 php_snmp_object *snmp_object;
1915 zval *object = getThis();
1916 char *a1 = "", *a2 = "", *a3 = "", *a4 = "", *a5 = "", *a6 = "", *a7 = "";
1917 int a1_len = 0, a2_len = 0, a3_len = 0, a4_len = 0, a5_len = 0, a6_len = 0, a7_len = 0;
1918 int argc = ZEND_NUM_ARGS();
1919
1920 snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
1921
1922 if (zend_parse_parameters(argc TSRMLS_CC, "s|ssssss", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len,
1923 &a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len) == FAILURE) {
1924 RETURN_FALSE;
1925 }
1926
1927 if (netsnmp_session_set_security(snmp_object->session, a1, a2, a3, a4, a5, a6, a7 TSRMLS_CC)) {
1928 /* Warning message sent already, just bail out */
1929 RETURN_FALSE;
1930 }
1931 RETURN_TRUE;
1932 }
1933 /* }}} */
1934
1935 /* {{{ proto long SNMP::getErrno()
1936 Get last error code number */
PHP_METHOD(snmp,getErrno)1937 PHP_METHOD(snmp, getErrno)
1938 {
1939 php_snmp_object *snmp_object;
1940 zval *object = getThis();
1941
1942 snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
1943
1944 RETVAL_LONG(snmp_object->snmp_errno);
1945 return;
1946 }
1947 /* }}} */
1948
1949 /* {{{ proto long SNMP::getError()
1950 Get last error message */
PHP_METHOD(snmp,getError)1951 PHP_METHOD(snmp, getError)
1952 {
1953 php_snmp_object *snmp_object;
1954 zval *object = getThis();
1955
1956 snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
1957
1958 RETVAL_STRING(snmp_object->snmp_errstr, 1);
1959 return;
1960 }
1961 /* }}} */
1962
1963 /* {{{ */
php_snmp_add_property(HashTable * h,const char * name,size_t name_length,php_snmp_read_t read_func,php_snmp_write_t write_func TSRMLS_DC)1964 void php_snmp_add_property(HashTable *h, const char *name, size_t name_length, php_snmp_read_t read_func, php_snmp_write_t write_func TSRMLS_DC)
1965 {
1966 php_snmp_prop_handler p;
1967
1968 p.name = (char*) name;
1969 p.name_length = name_length;
1970 p.read_func = (read_func) ? read_func : NULL;
1971 p.write_func = (write_func) ? write_func : NULL;
1972 zend_hash_add(h, (char *)name, name_length + 1, &p, sizeof(php_snmp_prop_handler), NULL);
1973 }
1974 /* }}} */
1975
1976 /* {{{ php_snmp_read_property(zval *object, zval *member, int type[, const zend_literal *key])
1977 Generic object property reader */
php_snmp_read_property(zval * object,zval * member,int type,const zend_literal * key TSRMLS_DC)1978 zval *php_snmp_read_property(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC)
1979 {
1980 zval tmp_member;
1981 zval *retval;
1982 php_snmp_object *obj;
1983 php_snmp_prop_handler *hnd;
1984 int ret;
1985
1986 ret = FAILURE;
1987 obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC);
1988
1989 if (Z_TYPE_P(member) != IS_STRING) {
1990 tmp_member = *member;
1991 zval_copy_ctor(&tmp_member);
1992 convert_to_string(&tmp_member);
1993 member = &tmp_member;
1994 }
1995
1996 ret = zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
1997
1998 if (ret == SUCCESS && hnd->read_func) {
1999 ret = hnd->read_func(obj, &retval TSRMLS_CC);
2000 if (ret == SUCCESS) {
2001 /* ensure we're creating a temporary variable */
2002 Z_SET_REFCOUNT_P(retval, 0);
2003 } else {
2004 retval = EG(uninitialized_zval_ptr);
2005 }
2006 } else {
2007 zend_object_handlers * std_hnd = zend_get_std_object_handlers();
2008 retval = std_hnd->read_property(object, member, type, key TSRMLS_CC);
2009 }
2010
2011 if (member == &tmp_member) {
2012 zval_dtor(member);
2013 }
2014 return(retval);
2015 }
2016 /* }}} */
2017
2018 /* {{{ php_snmp_write_property(zval *object, zval *member, zval *value[, const zend_literal *key])
2019 Generic object property writer */
php_snmp_write_property(zval * object,zval * member,zval * value,const zend_literal * key TSRMLS_DC)2020 void php_snmp_write_property(zval *object, zval *member, zval *value, const zend_literal *key TSRMLS_DC)
2021 {
2022 zval tmp_member;
2023 php_snmp_object *obj;
2024 php_snmp_prop_handler *hnd;
2025 int ret;
2026
2027 if (Z_TYPE_P(member) != IS_STRING) {
2028 tmp_member = *member;
2029 zval_copy_ctor(&tmp_member);
2030 convert_to_string(&tmp_member);
2031 member = &tmp_member;
2032 }
2033
2034 ret = FAILURE;
2035 obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC);
2036
2037 ret = zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member) + 1, (void **) &hnd);
2038
2039 if (ret == SUCCESS && hnd->write_func) {
2040 hnd->write_func(obj, value TSRMLS_CC);
2041 if (! PZVAL_IS_REF(value) && Z_REFCOUNT_P(value) == 0) {
2042 Z_ADDREF_P(value);
2043 zval_ptr_dtor(&value);
2044 }
2045 } else {
2046 zend_object_handlers * std_hnd = zend_get_std_object_handlers();
2047 std_hnd->write_property(object, member, value, key TSRMLS_CC);
2048 }
2049
2050 if (member == &tmp_member) {
2051 zval_dtor(member);
2052 }
2053 }
2054 /* }}} */
2055
2056 /* {{{ php_snmp_has_property(zval *object, zval *member, int has_set_exists[, const zend_literal *key])
2057 Generic object property checker */
php_snmp_has_property(zval * object,zval * member,int has_set_exists,const zend_literal * key TSRMLS_DC)2058 static int php_snmp_has_property(zval *object, zval *member, int has_set_exists, const zend_literal *key TSRMLS_DC)
2059 {
2060 php_snmp_prop_handler *hnd;
2061 int ret = 0;
2062
2063 if (zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member) + 1, (void **)&hnd) == SUCCESS) {
2064 switch (has_set_exists) {
2065 case 2:
2066 ret = 1;
2067 break;
2068 case 0: {
2069 zval *value = php_snmp_read_property(object, member, BP_VAR_IS, key TSRMLS_CC);
2070 if (value != EG(uninitialized_zval_ptr)) {
2071 ret = Z_TYPE_P(value) != IS_NULL? 1:0;
2072 /* refcount is 0 */
2073 Z_ADDREF_P(value);
2074 zval_ptr_dtor(&value);
2075 }
2076 break;
2077 }
2078 default: {
2079 zval *value = php_snmp_read_property(object, member, BP_VAR_IS, key TSRMLS_CC);
2080 if (value != EG(uninitialized_zval_ptr)) {
2081 convert_to_boolean(value);
2082 ret = Z_BVAL_P(value)? 1:0;
2083 /* refcount is 0 */
2084 Z_ADDREF_P(value);
2085 zval_ptr_dtor(&value);
2086 }
2087 break;
2088 }
2089 }
2090 } else {
2091 zend_object_handlers * std_hnd = zend_get_std_object_handlers();
2092 ret = std_hnd->has_property(object, member, has_set_exists, key TSRMLS_CC);
2093 }
2094 return ret;
2095 }
2096 /* }}} */
2097
php_snmp_get_gc(zval * object,zval *** gc_data,int * gc_data_count TSRMLS_DC)2098 static HashTable *php_snmp_get_gc(zval *object, zval ***gc_data, int *gc_data_count TSRMLS_DC) /* {{{ */
2099 {
2100 *gc_data = NULL;
2101 *gc_data_count = 0;
2102 return zend_std_get_properties(object TSRMLS_CC);
2103 }
2104 /* }}} */
2105
2106 /* {{{ php_snmp_get_properties(zval *object)
2107 Returns all object properties. Injects SNMP properties into object on first call */
php_snmp_get_properties(zval * object TSRMLS_DC)2108 static HashTable *php_snmp_get_properties(zval *object TSRMLS_DC)
2109 {
2110 php_snmp_object *obj;
2111 php_snmp_prop_handler *hnd;
2112 HashTable *props;
2113 zval *val;
2114 char *key;
2115 uint key_len;
2116 HashPosition pos;
2117 ulong num_key;
2118
2119 obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC);
2120 props = zend_std_get_properties(object TSRMLS_CC);
2121
2122 zend_hash_internal_pointer_reset_ex(&php_snmp_properties, &pos);
2123
2124 while (zend_hash_get_current_data_ex(&php_snmp_properties, (void**)&hnd, &pos) == SUCCESS) {
2125 zend_hash_get_current_key_ex(&php_snmp_properties, &key, &key_len, &num_key, 0, &pos);
2126 if (!hnd->read_func || hnd->read_func(obj, &val TSRMLS_CC) != SUCCESS) {
2127 val = EG(uninitialized_zval_ptr);
2128 Z_ADDREF_P(val);
2129 }
2130 zend_hash_update(props, key, key_len, (void *)&val, sizeof(zval *), NULL);
2131 zend_hash_move_forward_ex(&php_snmp_properties, &pos);
2132 }
2133 return obj->zo.properties;
2134 }
2135 /* }}} */
2136
2137 /* {{{ */
php_snmp_read_info(php_snmp_object * snmp_object,zval ** retval TSRMLS_DC)2138 static int php_snmp_read_info(php_snmp_object *snmp_object, zval **retval TSRMLS_DC)
2139 {
2140 zval *val;
2141
2142 MAKE_STD_ZVAL(*retval);
2143 array_init(*retval);
2144
2145 if (snmp_object->session == NULL) {
2146 return SUCCESS;
2147 }
2148
2149 MAKE_STD_ZVAL(val);
2150 ZVAL_STRINGL(val, snmp_object->session->peername, strlen(snmp_object->session->peername), 1);
2151 add_assoc_zval(*retval, "hostname", val);
2152
2153 MAKE_STD_ZVAL(val);
2154 ZVAL_LONG(val, snmp_object->session->remote_port);
2155 add_assoc_zval(*retval, "port", val);
2156
2157 MAKE_STD_ZVAL(val);
2158 ZVAL_LONG(val, snmp_object->session->timeout);
2159 add_assoc_zval(*retval, "timeout", val);
2160
2161 MAKE_STD_ZVAL(val);
2162 ZVAL_LONG(val, snmp_object->session->retries);
2163 add_assoc_zval(*retval, "retries", val);
2164
2165 return SUCCESS;
2166 }
2167 /* }}} */
2168
2169 /* {{{ */
php_snmp_read_max_oids(php_snmp_object * snmp_object,zval ** retval TSRMLS_DC)2170 static int php_snmp_read_max_oids(php_snmp_object *snmp_object, zval **retval TSRMLS_DC)
2171 {
2172 MAKE_STD_ZVAL(*retval);
2173 if (snmp_object->max_oids > 0) {
2174 ZVAL_LONG(*retval, snmp_object->max_oids);
2175 } else {
2176 ZVAL_NULL(*retval);
2177 }
2178 return SUCCESS;
2179 }
2180 /* }}} */
2181
2182 #define PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(name) \
2183 static int php_snmp_read_##name(php_snmp_object *snmp_object, zval **retval TSRMLS_DC) \
2184 { \
2185 MAKE_STD_ZVAL(*retval); \
2186 ZVAL_BOOL(*retval, snmp_object->name); \
2187 return SUCCESS; \
2188 }
2189
2190 PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(oid_increasing_check)
PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(quick_print)2191 PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(quick_print)
2192 PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(enum_print)
2193
2194 #define PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(name) \
2195 static int php_snmp_read_##name(php_snmp_object *snmp_object, zval **retval TSRMLS_DC) \
2196 { \
2197 MAKE_STD_ZVAL(*retval); \
2198 ZVAL_LONG(*retval, snmp_object->name); \
2199 return SUCCESS; \
2200 }
2201
2202 PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(valueretrieval)
2203 PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(oid_output_format)
2204 PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(exceptions_enabled)
2205
2206 /* {{{ */
2207 static int php_snmp_write_info(php_snmp_object *snmp_object, zval *newval TSRMLS_DC)
2208 {
2209 php_error_docref(NULL TSRMLS_CC, E_WARNING, "info property is read-only");
2210 return FAILURE;
2211 }
2212 /* }}} */
2213
2214 /* {{{ */
php_snmp_write_max_oids(php_snmp_object * snmp_object,zval * newval TSRMLS_DC)2215 static int php_snmp_write_max_oids(php_snmp_object *snmp_object, zval *newval TSRMLS_DC)
2216 {
2217 zval ztmp;
2218 int ret = SUCCESS;
2219
2220 if (Z_TYPE_P(newval) == IS_NULL) {
2221 snmp_object->max_oids = 0;
2222 return ret;
2223 }
2224
2225 if (Z_TYPE_P(newval) != IS_LONG) {
2226 ztmp = *newval;
2227 zval_copy_ctor(&ztmp);
2228 convert_to_long(&ztmp);
2229 newval = &ztmp;
2230 }
2231
2232 if (Z_LVAL_P(newval) > 0) {
2233 snmp_object->max_oids = Z_LVAL_P(newval);
2234 } else {
2235 php_error_docref(NULL TSRMLS_CC, E_WARNING, "max_oids should be positive integer or NULL, got %ld", Z_LVAL_P(newval));
2236 }
2237
2238 if (newval == &ztmp) {
2239 zval_dtor(newval);
2240 }
2241
2242 return ret;
2243 }
2244 /* }}} */
2245
2246 /* {{{ */
php_snmp_write_valueretrieval(php_snmp_object * snmp_object,zval * newval TSRMLS_DC)2247 static int php_snmp_write_valueretrieval(php_snmp_object *snmp_object, zval *newval TSRMLS_DC)
2248 {
2249 zval ztmp;
2250 int ret = SUCCESS;
2251
2252 if (Z_TYPE_P(newval) != IS_LONG) {
2253 ztmp = *newval;
2254 zval_copy_ctor(&ztmp);
2255 convert_to_long(&ztmp);
2256 newval = &ztmp;
2257 }
2258
2259 if (Z_LVAL_P(newval) >= 0 && Z_LVAL_P(newval) <= (SNMP_VALUE_LIBRARY|SNMP_VALUE_PLAIN|SNMP_VALUE_OBJECT)) {
2260 snmp_object->valueretrieval = Z_LVAL_P(newval);
2261 } else {
2262 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP value retrieval method '%ld'", Z_LVAL_P(newval));
2263 ret = FAILURE;
2264 }
2265
2266 if (newval == &ztmp) {
2267 zval_dtor(newval);
2268 }
2269
2270 return ret;
2271 }
2272 /* }}} */
2273
2274 #define PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(name) \
2275 static int php_snmp_write_##name(php_snmp_object *snmp_object, zval *newval TSRMLS_DC) \
2276 { \
2277 zval ztmp; \
2278 if (Z_TYPE_P(newval) != IS_BOOL) { \
2279 ztmp = *newval; \
2280 zval_copy_ctor(&ztmp); \
2281 convert_to_boolean(&ztmp); \
2282 newval = &ztmp; \
2283 } \
2284 \
2285 snmp_object->name = Z_LVAL_P(newval); \
2286 \
2287 if (newval == &ztmp) { \
2288 zval_dtor(newval); \
2289 } \
2290 return SUCCESS; \
2291 }
2292
2293 PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(quick_print)
PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(enum_print)2294 PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(enum_print)
2295 PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(oid_increasing_check)
2296
2297 /* {{{ */
2298 static int php_snmp_write_oid_output_format(php_snmp_object *snmp_object, zval *newval TSRMLS_DC)
2299 {
2300 zval ztmp;
2301 int ret = SUCCESS;
2302 if (Z_TYPE_P(newval) != IS_LONG) {
2303 ztmp = *newval;
2304 zval_copy_ctor(&ztmp);
2305 convert_to_long(&ztmp);
2306 newval = &ztmp;
2307 }
2308
2309 switch(Z_LVAL_P(newval)) {
2310 case NETSNMP_OID_OUTPUT_SUFFIX:
2311 case NETSNMP_OID_OUTPUT_MODULE:
2312 case NETSNMP_OID_OUTPUT_FULL:
2313 case NETSNMP_OID_OUTPUT_NUMERIC:
2314 case NETSNMP_OID_OUTPUT_UCD:
2315 case NETSNMP_OID_OUTPUT_NONE:
2316 snmp_object->oid_output_format = Z_LVAL_P(newval);
2317 break;
2318 default:
2319 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP output print format '%ld'", Z_LVAL_P(newval));
2320 ret = FAILURE;
2321 break;
2322 }
2323
2324 if (newval == &ztmp) {
2325 zval_dtor(newval);
2326 }
2327 return ret;
2328 }
2329 /* }}} */
2330
2331 /* {{{ */
php_snmp_write_exceptions_enabled(php_snmp_object * snmp_object,zval * newval TSRMLS_DC)2332 static int php_snmp_write_exceptions_enabled(php_snmp_object *snmp_object, zval *newval TSRMLS_DC)
2333 {
2334 zval ztmp;
2335 int ret = SUCCESS;
2336 if (Z_TYPE_P(newval) != IS_LONG) {
2337 ztmp = *newval;
2338 zval_copy_ctor(&ztmp);
2339 convert_to_long(&ztmp);
2340 newval = &ztmp;
2341 }
2342
2343 snmp_object->exceptions_enabled = Z_LVAL_P(newval);
2344
2345 if (newval == &ztmp) {
2346 zval_dtor(newval);
2347 }
2348 return ret;
2349 }
2350 /* }}} */
2351
2352 /* {{{ php_snmp_class_methods[] */
2353 static zend_function_entry php_snmp_class_methods[] = {
2354 PHP_ME(snmp, __construct, arginfo_snmp_create, ZEND_ACC_PUBLIC)
2355 PHP_ME(snmp, close, arginfo_snmp_void, ZEND_ACC_PUBLIC)
2356 PHP_ME(snmp, setSecurity, arginfo_snmp_setSecurity, ZEND_ACC_PUBLIC)
2357
2358 PHP_ME(snmp, get, arginfo_snmp_get, ZEND_ACC_PUBLIC)
2359 PHP_ME(snmp, getnext, arginfo_snmp_get, ZEND_ACC_PUBLIC)
2360 PHP_ME(snmp, walk, arginfo_snmp_walk, ZEND_ACC_PUBLIC)
2361 PHP_ME(snmp, set, arginfo_snmp_set, ZEND_ACC_PUBLIC)
2362 PHP_ME(snmp, getErrno, arginfo_snmp_void, ZEND_ACC_PUBLIC)
2363 PHP_ME(snmp, getError, arginfo_snmp_void, ZEND_ACC_PUBLIC)
2364
2365 PHP_FE_END
2366 };
2367
2368 #define PHP_SNMP_PROPERTY_ENTRY_RECORD(name) \
2369 { "" #name "", sizeof("" #name "") - 1, php_snmp_read_##name, php_snmp_write_##name }
2370
2371 const php_snmp_prop_handler php_snmp_property_entries[] = {
2372 PHP_SNMP_PROPERTY_ENTRY_RECORD(info),
2373 PHP_SNMP_PROPERTY_ENTRY_RECORD(max_oids),
2374 PHP_SNMP_PROPERTY_ENTRY_RECORD(valueretrieval),
2375 PHP_SNMP_PROPERTY_ENTRY_RECORD(quick_print),
2376 PHP_SNMP_PROPERTY_ENTRY_RECORD(enum_print),
2377 PHP_SNMP_PROPERTY_ENTRY_RECORD(oid_output_format),
2378 PHP_SNMP_PROPERTY_ENTRY_RECORD(oid_increasing_check),
2379 PHP_SNMP_PROPERTY_ENTRY_RECORD(exceptions_enabled),
2380 { NULL, 0, NULL, NULL}
2381 };
2382 /* }}} */
2383
2384 /* {{{ PHP_MINIT_FUNCTION
2385 */
PHP_MINIT_FUNCTION(snmp)2386 PHP_MINIT_FUNCTION(snmp)
2387 {
2388 netsnmp_log_handler *logh;
2389 zend_class_entry ce, cex;
2390
2391 le_snmp_session = zend_register_list_destructors_ex(php_snmp_session_destructor, NULL, PHP_SNMP_SESSION_RES_NAME, module_number);
2392
2393 init_snmp("snmpapp");
2394
2395 #ifdef NETSNMP_DS_LIB_DONT_PERSIST_STATE
2396 /* Prevent update of the snmpapp.conf file */
2397 netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_PERSIST_STATE, 1);
2398 #endif
2399
2400 /* Disable logging, use exit status'es and related variabled to detect errors */
2401 shutdown_snmp_logging();
2402 logh = netsnmp_register_loghandler(NETSNMP_LOGHANDLER_NONE, LOG_ERR);
2403 if (logh) {
2404 logh->pri_max = LOG_ERR;
2405 }
2406
2407 memcpy(&php_snmp_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
2408 php_snmp_object_handlers.read_property = php_snmp_read_property;
2409 php_snmp_object_handlers.write_property = php_snmp_write_property;
2410 php_snmp_object_handlers.has_property = php_snmp_has_property;
2411 php_snmp_object_handlers.get_properties = php_snmp_get_properties;
2412 php_snmp_object_handlers.get_gc = php_snmp_get_gc;
2413
2414 /* Register SNMP Class */
2415 INIT_CLASS_ENTRY(ce, "SNMP", php_snmp_class_methods);
2416 ce.create_object = php_snmp_object_new;
2417 php_snmp_object_handlers.clone_obj = NULL;
2418 php_snmp_ce = zend_register_internal_class(&ce TSRMLS_CC);
2419
2420 /* Register SNMP Class properties */
2421 zend_hash_init(&php_snmp_properties, 0, NULL, NULL, 1);
2422 PHP_SNMP_ADD_PROPERTIES(&php_snmp_properties, php_snmp_property_entries);
2423
2424 REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_SUFFIX", NETSNMP_OID_OUTPUT_SUFFIX, CONST_CS | CONST_PERSISTENT);
2425 REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_MODULE", NETSNMP_OID_OUTPUT_MODULE, CONST_CS | CONST_PERSISTENT);
2426 REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_FULL", NETSNMP_OID_OUTPUT_FULL, CONST_CS | CONST_PERSISTENT);
2427 REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_NUMERIC", NETSNMP_OID_OUTPUT_NUMERIC, CONST_CS | CONST_PERSISTENT);
2428 REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_UCD", NETSNMP_OID_OUTPUT_UCD, CONST_CS | CONST_PERSISTENT);
2429 REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_NONE", NETSNMP_OID_OUTPUT_NONE, CONST_CS | CONST_PERSISTENT);
2430
2431 REGISTER_LONG_CONSTANT("SNMP_VALUE_LIBRARY", SNMP_VALUE_LIBRARY, CONST_CS | CONST_PERSISTENT);
2432 REGISTER_LONG_CONSTANT("SNMP_VALUE_PLAIN", SNMP_VALUE_PLAIN, CONST_CS | CONST_PERSISTENT);
2433 REGISTER_LONG_CONSTANT("SNMP_VALUE_OBJECT", SNMP_VALUE_OBJECT, CONST_CS | CONST_PERSISTENT);
2434
2435 REGISTER_LONG_CONSTANT("SNMP_BIT_STR", ASN_BIT_STR, CONST_CS | CONST_PERSISTENT);
2436 REGISTER_LONG_CONSTANT("SNMP_OCTET_STR", ASN_OCTET_STR, CONST_CS | CONST_PERSISTENT);
2437 REGISTER_LONG_CONSTANT("SNMP_OPAQUE", ASN_OPAQUE, CONST_CS | CONST_PERSISTENT);
2438 REGISTER_LONG_CONSTANT("SNMP_NULL", ASN_NULL, CONST_CS | CONST_PERSISTENT);
2439 REGISTER_LONG_CONSTANT("SNMP_OBJECT_ID", ASN_OBJECT_ID, CONST_CS | CONST_PERSISTENT);
2440 REGISTER_LONG_CONSTANT("SNMP_IPADDRESS", ASN_IPADDRESS, CONST_CS | CONST_PERSISTENT);
2441 REGISTER_LONG_CONSTANT("SNMP_COUNTER", ASN_GAUGE, CONST_CS | CONST_PERSISTENT);
2442 REGISTER_LONG_CONSTANT("SNMP_UNSIGNED", ASN_UNSIGNED, CONST_CS | CONST_PERSISTENT);
2443 REGISTER_LONG_CONSTANT("SNMP_TIMETICKS", ASN_TIMETICKS, CONST_CS | CONST_PERSISTENT);
2444 REGISTER_LONG_CONSTANT("SNMP_UINTEGER", ASN_UINTEGER, CONST_CS | CONST_PERSISTENT);
2445 REGISTER_LONG_CONSTANT("SNMP_INTEGER", ASN_INTEGER, CONST_CS | CONST_PERSISTENT);
2446 REGISTER_LONG_CONSTANT("SNMP_COUNTER64", ASN_COUNTER64, CONST_CS | CONST_PERSISTENT);
2447
2448 REGISTER_SNMP_CLASS_CONST_LONG("VERSION_1", SNMP_VERSION_1);
2449 REGISTER_SNMP_CLASS_CONST_LONG("VERSION_2c", SNMP_VERSION_2c);
2450 REGISTER_SNMP_CLASS_CONST_LONG("VERSION_2C", SNMP_VERSION_2c);
2451 REGISTER_SNMP_CLASS_CONST_LONG("VERSION_3", SNMP_VERSION_3);
2452
2453 REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_NOERROR", PHP_SNMP_ERRNO_NOERROR);
2454 REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_ANY", PHP_SNMP_ERRNO_ANY);
2455 REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_GENERIC", PHP_SNMP_ERRNO_GENERIC);
2456 REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_TIMEOUT", PHP_SNMP_ERRNO_TIMEOUT);
2457 REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_ERROR_IN_REPLY", PHP_SNMP_ERRNO_ERROR_IN_REPLY);
2458 REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_OID_NOT_INCREASING", PHP_SNMP_ERRNO_OID_NOT_INCREASING);
2459 REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_OID_PARSING_ERROR", PHP_SNMP_ERRNO_OID_PARSING_ERROR);
2460 REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_MULTIPLE_SET_QUERIES", PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES);
2461
2462 /* Register SNMPException class */
2463 INIT_CLASS_ENTRY(cex, "SNMPException", NULL);
2464 #ifdef HAVE_SPL
2465 php_snmp_exception_ce = zend_register_internal_class_ex(&cex, spl_ce_RuntimeException, NULL TSRMLS_CC);
2466 #else
2467 php_snmp_exception_ce = zend_register_internal_class_ex(&cex, zend_exception_get_default(TSRMLS_C), NULL TSRMLS_CC);
2468 #endif
2469
2470 return SUCCESS;
2471 }
2472 /* }}} */
2473
2474 /* {{{ PHP_MSHUTDOWN_FUNCTION
2475 */
PHP_MSHUTDOWN_FUNCTION(snmp)2476 PHP_MSHUTDOWN_FUNCTION(snmp)
2477 {
2478 snmp_shutdown("snmpapp");
2479
2480 zend_hash_destroy(&php_snmp_properties);
2481
2482 return SUCCESS;
2483 }
2484 /* }}} */
2485
2486 /* {{{ PHP_MINFO_FUNCTION
2487 */
PHP_MINFO_FUNCTION(snmp)2488 PHP_MINFO_FUNCTION(snmp)
2489 {
2490 php_info_print_table_start();
2491 php_info_print_table_row(2, "NET-SNMP Support", "enabled");
2492 php_info_print_table_row(2, "NET-SNMP Version", netsnmp_get_version());
2493 php_info_print_table_row(2, "PHP SNMP Version", PHP_SNMP_VERSION);
2494 php_info_print_table_end();
2495 }
2496 /* }}} */
2497
2498 /* {{{ snmp_module_deps[]
2499 */
2500 #if ZEND_MODULE_API_NO >= 20050922
2501 static const zend_module_dep snmp_module_deps[] = {
2502 #ifdef HAVE_SPL
2503 ZEND_MOD_REQUIRED("spl")
2504 #endif
2505 ZEND_MOD_END
2506 };
2507 #endif
2508 /* }}} */
2509
2510 /* {{{ snmp_module_entry
2511 */
2512 zend_module_entry snmp_module_entry = {
2513 #if ZEND_MODULE_API_NO >= 20050922
2514 STANDARD_MODULE_HEADER_EX,
2515 NULL,
2516 snmp_module_deps,
2517 #else
2518 STANDARD_MODULE_HEADER,
2519 #endif
2520 "snmp",
2521 snmp_functions,
2522 PHP_MINIT(snmp),
2523 PHP_MSHUTDOWN(snmp),
2524 NULL,
2525 NULL,
2526 PHP_MINFO(snmp),
2527 PHP_SNMP_VERSION,
2528 PHP_MODULE_GLOBALS(snmp),
2529 PHP_GINIT(snmp),
2530 NULL,
2531 NULL,
2532 STANDARD_MODULE_PROPERTIES_EX
2533 };
2534 /* }}} */
2535
2536 #endif
2537
2538 /*
2539 * Local variables:
2540 * tab-width: 4
2541 * c-basic-offset: 4
2542 * End:
2543 * vim600: sw=4 ts=4 fdm=marker
2544 * vim<600: sw=4 ts=4
2545 */
2546
