mirror of
https://github.com/php/php-src.git
synced 2024-12-20 23:39:46 +08:00
2516 lines
77 KiB
C
2516 lines
77 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2015 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Rasmus Lerdorf <rasmus@php.net> |
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| Mike Jackson <mhjack@tscnet.com> |
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| Steven Lawrance <slawrance@technologist.com> |
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| Harrie Hazewinkel <harrie@lisanza.net> |
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| Johann Hanne <jonny@nurfuerspam.de> |
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| Boris Lytockin <lytboris@gmail.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "main/php_network.h"
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#include "ext/standard/info.h"
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#include "php_snmp.h"
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#include "zend_exceptions.h"
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#if HAVE_SPL
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#include "ext/spl/spl_exceptions.h"
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#endif
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#if HAVE_SNMP
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#include <sys/types.h>
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#ifdef PHP_WIN32
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#include <winsock2.h>
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#include <errno.h>
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#include <process.h>
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#include "win32/time.h"
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#elif defined(NETWARE)
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#ifdef USE_WINSOCK
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#include <novsock2.h>
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#else
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#include <sys/socket.h>
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#endif
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#include <errno.h>
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#include <sys/timeval.h>
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#else
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#ifndef _OSD_POSIX
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#include <sys/errno.h>
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#else
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#include <errno.h> /* BS2000/OSD uses <errno.h>, not <sys/errno.h> */
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#endif
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#include <netdb.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifndef __P
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#ifdef __GNUC__
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#define __P(args) args
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#else
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#define __P(args) ()
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#endif
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#endif
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#include <net-snmp/net-snmp-config.h>
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#include <net-snmp/net-snmp-includes.h>
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/* For net-snmp prior to 5.4 */
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#ifndef HAVE_SHUTDOWN_SNMP_LOGGING
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extern netsnmp_log_handler *logh_head;
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#define shutdown_snmp_logging() \
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{ \
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snmp_disable_log(); \
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while(NULL != logh_head) \
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netsnmp_remove_loghandler( logh_head ); \
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}
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#endif
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#define SNMP_VALUE_LIBRARY (0 << 0)
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#define SNMP_VALUE_PLAIN (1 << 0)
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#define SNMP_VALUE_OBJECT (1 << 1)
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typedef struct snmp_session php_snmp_session;
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#define PHP_SNMP_SESSION_RES_NAME "SNMP session"
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#define PHP_SNMP_ADD_PROPERTIES(a, b) \
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{ \
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int i = 0; \
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while (b[i].name != NULL) { \
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php_snmp_add_property((a), (b)[i].name, (b)[i].name_length, \
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(php_snmp_read_t)(b)[i].read_func, (php_snmp_write_t)(b)[i].write_func); \
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i++; \
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} \
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}
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#define PHP_SNMP_ERRNO_NOERROR 0
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#define PHP_SNMP_ERRNO_GENERIC (1 << 1)
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#define PHP_SNMP_ERRNO_TIMEOUT (1 << 2)
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#define PHP_SNMP_ERRNO_ERROR_IN_REPLY (1 << 3)
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#define PHP_SNMP_ERRNO_OID_NOT_INCREASING (1 << 4)
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#define PHP_SNMP_ERRNO_OID_PARSING_ERROR (1 << 5)
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#define PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES (1 << 6)
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#define PHP_SNMP_ERRNO_ANY ( \
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PHP_SNMP_ERRNO_GENERIC | \
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PHP_SNMP_ERRNO_TIMEOUT | \
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PHP_SNMP_ERRNO_ERROR_IN_REPLY | \
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PHP_SNMP_ERRNO_OID_NOT_INCREASING | \
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PHP_SNMP_ERRNO_OID_PARSING_ERROR | \
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PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES | \
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PHP_SNMP_ERRNO_NOERROR \
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)
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ZEND_DECLARE_MODULE_GLOBALS(snmp)
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static PHP_GINIT_FUNCTION(snmp);
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/* constant - can be shared among threads */
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static oid objid_mib[] = {1, 3, 6, 1, 2, 1};
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static int le_snmp_session;
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/* Handlers */
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static zend_object_handlers php_snmp_object_handlers;
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/* Class entries */
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zend_class_entry *php_snmp_ce;
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zend_class_entry *php_snmp_exception_ce;
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/* Class object properties */
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static HashTable php_snmp_properties;
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/* {{{ arginfo */
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpget, 0, 0, 3)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpgetnext, 0, 0, 3)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpwalk, 0, 0, 3)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmprealwalk, 0, 0, 3)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpset, 0, 0, 5)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, type)
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ZEND_ARG_INFO(0, value)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_get_quick_print, 0, 0, 1)
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ZEND_ARG_INFO(0, d)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_quick_print, 0, 0, 1)
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ZEND_ARG_INFO(0, quick_print)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_enum_print, 0, 0, 1)
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ZEND_ARG_INFO(0, enum_print)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_oid_output_format, 0, 0, 1)
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ZEND_ARG_INFO(0, oid_format)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_get, 0, 0, 3)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_getnext, 0, 0, 3)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_walk, 0, 0, 3)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_real_walk, 0, 0, 3)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_set, 0, 0, 5)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, type)
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ZEND_ARG_INFO(0, value)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_get, 0, 0, 8)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, sec_name)
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ZEND_ARG_INFO(0, sec_level)
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ZEND_ARG_INFO(0, auth_protocol)
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ZEND_ARG_INFO(0, auth_passphrase)
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ZEND_ARG_INFO(0, priv_protocol)
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ZEND_ARG_INFO(0, priv_passphrase)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_getnext, 0, 0, 8)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, sec_name)
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ZEND_ARG_INFO(0, sec_level)
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ZEND_ARG_INFO(0, auth_protocol)
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ZEND_ARG_INFO(0, auth_passphrase)
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ZEND_ARG_INFO(0, priv_protocol)
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ZEND_ARG_INFO(0, priv_passphrase)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_walk, 0, 0, 8)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, sec_name)
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ZEND_ARG_INFO(0, sec_level)
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ZEND_ARG_INFO(0, auth_protocol)
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ZEND_ARG_INFO(0, auth_passphrase)
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ZEND_ARG_INFO(0, priv_protocol)
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ZEND_ARG_INFO(0, priv_passphrase)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_real_walk, 0, 0, 8)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, sec_name)
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ZEND_ARG_INFO(0, sec_level)
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ZEND_ARG_INFO(0, auth_protocol)
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ZEND_ARG_INFO(0, auth_passphrase)
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ZEND_ARG_INFO(0, priv_protocol)
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ZEND_ARG_INFO(0, priv_passphrase)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_set, 0, 0, 10)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, sec_name)
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ZEND_ARG_INFO(0, sec_level)
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ZEND_ARG_INFO(0, auth_protocol)
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ZEND_ARG_INFO(0, auth_passphrase)
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ZEND_ARG_INFO(0, priv_protocol)
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ZEND_ARG_INFO(0, priv_passphrase)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, type)
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ZEND_ARG_INFO(0, value)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_valueretrieval, 0, 0, 1)
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ZEND_ARG_INFO(0, method)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO(arginfo_snmp_get_valueretrieval, 0)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_read_mib, 0, 0, 1)
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ZEND_ARG_INFO(0, filename)
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ZEND_END_ARG_INFO()
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/* OO arginfo */
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_create, 0, 0, 3)
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ZEND_ARG_INFO(0, version)
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ZEND_ARG_INFO(0, host)
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ZEND_ARG_INFO(0, community)
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ZEND_ARG_INFO(0, timeout)
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ZEND_ARG_INFO(0, retries)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO(arginfo_snmp_void, 0)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_setSecurity, 0, 0, 8)
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ZEND_ARG_INFO(0, session)
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ZEND_ARG_INFO(0, sec_level)
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ZEND_ARG_INFO(0, auth_protocol)
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ZEND_ARG_INFO(0, auth_passphrase)
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ZEND_ARG_INFO(0, priv_protocol)
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ZEND_ARG_INFO(0, priv_passphrase)
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ZEND_ARG_INFO(0, contextName)
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ZEND_ARG_INFO(0, contextEngineID)
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ZEND_ARG_INFO(0, )
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_get, 0, 0, 1)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, use_orignames)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_walk, 0, 0, 4)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, suffix_keys)
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ZEND_ARG_INFO(0, max_repetitions)
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ZEND_ARG_INFO(0, non_repeaters)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set, 0, 0, 3)
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ZEND_ARG_INFO(0, object_id)
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ZEND_ARG_INFO(0, type)
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ZEND_ARG_INFO(0, value)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_class_set_quick_print, 0, 0, 1)
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ZEND_ARG_INFO(0, quick_print)
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ZEND_END_ARG_INFO()
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/* }}} */
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struct objid_query {
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int count;
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int offset;
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int step;
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zend_long non_repeaters;
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zend_long max_repetitions;
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int valueretrieval;
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int array_output;
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int oid_increasing_check;
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snmpobjarg *vars;
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};
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/* {{{ snmp_functions[]
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*/
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const zend_function_entry snmp_functions[] = {
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PHP_FE(snmpget, arginfo_snmpget)
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PHP_FE(snmpgetnext, arginfo_snmpgetnext)
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PHP_FE(snmpwalk, arginfo_snmpwalk)
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PHP_FE(snmprealwalk, arginfo_snmprealwalk)
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PHP_FALIAS(snmpwalkoid, snmprealwalk, arginfo_snmprealwalk)
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PHP_FE(snmpset, arginfo_snmpset)
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PHP_FE(snmp_get_quick_print, arginfo_snmp_get_quick_print)
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PHP_FE(snmp_set_quick_print, arginfo_snmp_set_quick_print)
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PHP_FE(snmp_set_enum_print, arginfo_snmp_set_enum_print)
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PHP_FE(snmp_set_oid_output_format, arginfo_snmp_set_oid_output_format)
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PHP_FALIAS(snmp_set_oid_numeric_print, snmp_set_oid_output_format, arginfo_snmp_set_oid_output_format)
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PHP_FE(snmp2_get, arginfo_snmp2_get)
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PHP_FE(snmp2_getnext, arginfo_snmp2_getnext)
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PHP_FE(snmp2_walk, arginfo_snmp2_walk)
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PHP_FE(snmp2_real_walk, arginfo_snmp2_real_walk)
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PHP_FE(snmp2_set, arginfo_snmp2_set)
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PHP_FE(snmp3_get, arginfo_snmp3_get)
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PHP_FE(snmp3_getnext, arginfo_snmp3_getnext)
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PHP_FE(snmp3_walk, arginfo_snmp3_walk)
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PHP_FE(snmp3_real_walk, arginfo_snmp3_real_walk)
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PHP_FE(snmp3_set, arginfo_snmp3_set)
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PHP_FE(snmp_set_valueretrieval, arginfo_snmp_set_valueretrieval)
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PHP_FE(snmp_get_valueretrieval, arginfo_snmp_get_valueretrieval)
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PHP_FE(snmp_read_mib, arginfo_snmp_read_mib)
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PHP_FE_END
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};
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/* }}} */
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/* query an agent with GET method */
|
|
#define SNMP_CMD_GET (1<<0)
|
|
/* query an agent with GETNEXT method */
|
|
#define SNMP_CMD_GETNEXT (1<<1)
|
|
/* query an agent with SET method */
|
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#define SNMP_CMD_SET (1<<2)
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|
/* walk the mib */
|
|
#define SNMP_CMD_WALK (1<<3)
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/* force values-only output */
|
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#define SNMP_NUMERIC_KEYS (1<<7)
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/* use user-supplied OID names for keys in array output mode in GET method */
|
|
#define SNMP_ORIGINAL_NAMES_AS_KEYS (1<<8)
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/* use OID suffix (`index') for keys in array output mode in WALK method */
|
|
#define SNMP_USE_SUFFIX_AS_KEYS (1<<9)
|
|
|
|
#ifdef COMPILE_DL_SNMP
|
|
ZEND_GET_MODULE(snmp)
|
|
#endif
|
|
|
|
/* THREAD_LS snmp_module php_snmp_module; - may need one of these at some point */
|
|
|
|
/* {{{ PHP_GINIT_FUNCTION
|
|
*/
|
|
static PHP_GINIT_FUNCTION(snmp)
|
|
{
|
|
snmp_globals->valueretrieval = SNMP_VALUE_LIBRARY;
|
|
}
|
|
/* }}} */
|
|
|
|
#define PHP_SNMP_SESSION_FREE(a) { \
|
|
if ((*session)->a) { \
|
|
efree((*session)->a); \
|
|
(*session)->a = NULL; \
|
|
} \
|
|
}
|
|
|
|
static void netsnmp_session_free(php_snmp_session **session) /* {{{ */
|
|
{
|
|
if (*session) {
|
|
PHP_SNMP_SESSION_FREE(peername);
|
|
PHP_SNMP_SESSION_FREE(community);
|
|
PHP_SNMP_SESSION_FREE(securityName);
|
|
PHP_SNMP_SESSION_FREE(contextEngineID);
|
|
efree(*session);
|
|
*session = NULL;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
static void php_snmp_session_destructor(zend_resource *rsrc) /* {{{ */
|
|
{
|
|
php_snmp_session *session = (php_snmp_session *)rsrc->ptr;
|
|
netsnmp_session_free(&session);
|
|
}
|
|
/* }}} */
|
|
|
|
static void php_snmp_object_free_storage(zend_object *object) /* {{{ */
|
|
{
|
|
php_snmp_object *intern = php_snmp_fetch_object(object);
|
|
|
|
if (!intern) {
|
|
return;
|
|
}
|
|
|
|
netsnmp_session_free(&(intern->session));
|
|
|
|
zend_object_std_dtor(&intern->zo);
|
|
}
|
|
/* }}} */
|
|
|
|
static zend_object *php_snmp_object_new(zend_class_entry *class_type) /* {{{ */
|
|
{
|
|
php_snmp_object *intern;
|
|
|
|
/* Allocate memory for it */
|
|
intern = ecalloc(1, sizeof(php_snmp_object) + sizeof(zval) * (class_type->default_properties_count - 1));
|
|
|
|
zend_object_std_init(&intern->zo, class_type);
|
|
object_properties_init(&intern->zo, class_type);
|
|
|
|
intern->zo.handlers = &php_snmp_object_handlers;
|
|
|
|
return &intern->zo;
|
|
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_error
|
|
*
|
|
* Record last SNMP-related error in object
|
|
*
|
|
*/
|
|
static void php_snmp_error(zval *object, const char *docref, int type, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
php_snmp_object *snmp_object = NULL;
|
|
|
|
if (object) {
|
|
snmp_object = Z_SNMP_P(object);
|
|
if (type == PHP_SNMP_ERRNO_NOERROR) {
|
|
memset(snmp_object->snmp_errstr, 0, sizeof(snmp_object->snmp_errstr));
|
|
} else {
|
|
va_start(args, format);
|
|
vsnprintf(snmp_object->snmp_errstr, sizeof(snmp_object->snmp_errstr) - 1, format, args);
|
|
va_end(args);
|
|
}
|
|
snmp_object->snmp_errno = type;
|
|
}
|
|
|
|
if (type == PHP_SNMP_ERRNO_NOERROR) {
|
|
return;
|
|
}
|
|
|
|
if (object && (snmp_object->exceptions_enabled & type)) {
|
|
zend_throw_exception_ex(php_snmp_exception_ce, type, snmp_object->snmp_errstr);
|
|
} else {
|
|
va_start(args, format);
|
|
php_verror(docref, "", E_WARNING, format, args);
|
|
va_end(args);
|
|
}
|
|
}
|
|
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_getvalue
|
|
*
|
|
* SNMP value to zval converter
|
|
*
|
|
*/
|
|
static void php_snmp_getvalue(struct variable_list *vars, zval *snmpval, int valueretrieval)
|
|
{
|
|
zval val;
|
|
char sbuf[512];
|
|
char *buf = &(sbuf[0]);
|
|
char *dbuf = (char *)NULL;
|
|
int buflen = sizeof(sbuf) - 1;
|
|
int val_len = vars->val_len;
|
|
|
|
/* use emalloc() for large values, use static array otherwize */
|
|
|
|
/* There is no way to know the size of buffer snprint_value() needs in order to print a value there.
|
|
* So we are forced to probe it
|
|
*/
|
|
while ((valueretrieval & SNMP_VALUE_PLAIN) == 0) {
|
|
*buf = '\0';
|
|
if (snprint_value(buf, buflen, vars->name, vars->name_length, vars) == -1) {
|
|
if (val_len > 512*1024) {
|
|
php_error_docref(NULL, E_WARNING, "snprint_value() asks for a buffer more than 512k, Net-SNMP bug?");
|
|
break;
|
|
}
|
|
/* buffer is not long enough to hold full output, double it */
|
|
val_len *= 2;
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
if (buf == dbuf) {
|
|
dbuf = (char *)erealloc(dbuf, val_len + 1);
|
|
} else {
|
|
dbuf = (char *)emalloc(val_len + 1);
|
|
}
|
|
|
|
if (!dbuf) {
|
|
php_error_docref(NULL, E_WARNING, "emalloc() failed: %s, fallback to static buffer", strerror(errno));
|
|
buf = &(sbuf[0]);
|
|
buflen = sizeof(sbuf) - 1;
|
|
break;
|
|
}
|
|
|
|
buf = dbuf;
|
|
buflen = val_len;
|
|
}
|
|
|
|
if((valueretrieval & SNMP_VALUE_PLAIN) && val_len > buflen){
|
|
if ((dbuf = (char *)emalloc(val_len + 1))) {
|
|
buf = dbuf;
|
|
buflen = val_len;
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "emalloc() failed: %s, fallback to static buffer", strerror(errno));
|
|
}
|
|
}
|
|
|
|
if (valueretrieval & SNMP_VALUE_PLAIN) {
|
|
*buf = 0;
|
|
switch (vars->type) {
|
|
case ASN_BIT_STR: /* 0x03, asn1.h */
|
|
ZVAL_STRINGL(&val, (char *)vars->val.bitstring, vars->val_len);
|
|
break;
|
|
|
|
case ASN_OCTET_STR: /* 0x04, asn1.h */
|
|
case ASN_OPAQUE: /* 0x44, snmp_impl.h */
|
|
ZVAL_STRINGL(&val, (char *)vars->val.string, vars->val_len);
|
|
break;
|
|
|
|
case ASN_NULL: /* 0x05, asn1.h */
|
|
ZVAL_NULL(&val);
|
|
break;
|
|
|
|
case ASN_OBJECT_ID: /* 0x06, asn1.h */
|
|
snprint_objid(buf, buflen, vars->val.objid, vars->val_len / sizeof(oid));
|
|
ZVAL_STRING(&val, buf);
|
|
break;
|
|
|
|
case ASN_IPADDRESS: /* 0x40, snmp_impl.h */
|
|
snprintf(buf, buflen, "%d.%d.%d.%d",
|
|
(vars->val.string)[0], (vars->val.string)[1],
|
|
(vars->val.string)[2], (vars->val.string)[3]);
|
|
buf[buflen]=0;
|
|
ZVAL_STRING(&val, buf);
|
|
break;
|
|
|
|
case ASN_COUNTER: /* 0x41, snmp_impl.h */
|
|
case ASN_GAUGE: /* 0x42, snmp_impl.h */
|
|
/* ASN_UNSIGNED is the same as ASN_GAUGE */
|
|
case ASN_TIMETICKS: /* 0x43, snmp_impl.h */
|
|
case ASN_UINTEGER: /* 0x47, snmp_impl.h */
|
|
snprintf(buf, buflen, "%lu", *vars->val.integer);
|
|
buf[buflen]=0;
|
|
ZVAL_STRING(&val, buf);
|
|
break;
|
|
|
|
case ASN_INTEGER: /* 0x02, asn1.h */
|
|
snprintf(buf, buflen, "%ld", *vars->val.integer);
|
|
buf[buflen]=0;
|
|
ZVAL_STRING(&val, buf);
|
|
break;
|
|
|
|
#if defined(NETSNMP_WITH_OPAQUE_SPECIAL_TYPES) || defined(OPAQUE_SPECIAL_TYPES)
|
|
case ASN_OPAQUE_FLOAT: /* 0x78, asn1.h */
|
|
snprintf(buf, buflen, "%f", *vars->val.floatVal);
|
|
ZVAL_STRING(&val, buf);
|
|
break;
|
|
|
|
case ASN_OPAQUE_DOUBLE: /* 0x79, asn1.h */
|
|
snprintf(buf, buflen, "%Lf", *vars->val.doubleVal);
|
|
ZVAL_STRING(&val, buf);
|
|
break;
|
|
|
|
case ASN_OPAQUE_I64: /* 0x80, asn1.h */
|
|
printI64(buf, vars->val.counter64);
|
|
ZVAL_STRING(&val, buf);
|
|
break;
|
|
|
|
case ASN_OPAQUE_U64: /* 0x81, asn1.h */
|
|
#endif
|
|
case ASN_COUNTER64: /* 0x46, snmp_impl.h */
|
|
printU64(buf, vars->val.counter64);
|
|
ZVAL_STRING(&val, buf);
|
|
break;
|
|
|
|
default:
|
|
ZVAL_STRING(&val, "Unknown value type");
|
|
php_error_docref(NULL, E_WARNING, "Unknown value type: %u", vars->type);
|
|
break;
|
|
}
|
|
} else /* use Net-SNMP value translation */ {
|
|
/* we have desired string in buffer, just use it */
|
|
ZVAL_STRING(&val, buf);
|
|
}
|
|
|
|
if (valueretrieval & SNMP_VALUE_OBJECT) {
|
|
object_init(snmpval);
|
|
add_property_long(snmpval, "type", vars->type);
|
|
add_property_zval(snmpval, "value", &val);
|
|
} else {
|
|
ZVAL_COPY(snmpval, &val);
|
|
}
|
|
zval_ptr_dtor(&val);
|
|
|
|
if (dbuf){ /* malloc was used to store value */
|
|
efree(dbuf);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_internal
|
|
*
|
|
* SNMP object fetcher/setter for all SNMP versions
|
|
*
|
|
*/
|
|
static void php_snmp_internal(INTERNAL_FUNCTION_PARAMETERS, int st,
|
|
struct snmp_session *session,
|
|
struct objid_query *objid_query)
|
|
{
|
|
struct snmp_session *ss;
|
|
struct snmp_pdu *pdu=NULL, *response;
|
|
struct variable_list *vars;
|
|
oid root[MAX_NAME_LEN];
|
|
size_t rootlen = 0;
|
|
int status, count, found;
|
|
char buf[2048];
|
|
char buf2[2048];
|
|
int keepwalking=1;
|
|
char *err;
|
|
zval snmpval;
|
|
int snmp_errno;
|
|
|
|
/* we start with retval=FALSE. If any actual data is acquired, retval will be set to appropriate type */
|
|
RETVAL_FALSE;
|
|
|
|
/* reset errno and errstr */
|
|
php_snmp_error(getThis(), NULL, PHP_SNMP_ERRNO_NOERROR, "");
|
|
|
|
if (st & SNMP_CMD_WALK) { /* remember root OID */
|
|
memmove((char *)root, (char *)(objid_query->vars[0].name), (objid_query->vars[0].name_length) * sizeof(oid));
|
|
rootlen = objid_query->vars[0].name_length;
|
|
objid_query->offset = objid_query->count;
|
|
}
|
|
|
|
if ((ss = snmp_open(session)) == NULL) {
|
|
snmp_error(session, NULL, NULL, &err);
|
|
php_error_docref(NULL, E_WARNING, "Could not open snmp connection: %s", err);
|
|
free(err);
|
|
RETVAL_FALSE;
|
|
return;
|
|
}
|
|
|
|
if ((st & SNMP_CMD_SET) && objid_query->count > objid_query->step) {
|
|
php_snmp_error(getThis(), NULL, PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES, "Can not fit all OIDs for SET query into one packet, using multiple queries");
|
|
}
|
|
|
|
while (keepwalking) {
|
|
keepwalking = 0;
|
|
if (st & SNMP_CMD_WALK) {
|
|
if (session->version == SNMP_VERSION_1) {
|
|
pdu = snmp_pdu_create(SNMP_MSG_GETNEXT);
|
|
} else {
|
|
pdu = snmp_pdu_create(SNMP_MSG_GETBULK);
|
|
pdu->non_repeaters = objid_query->non_repeaters;
|
|
pdu->max_repetitions = objid_query->max_repetitions;
|
|
}
|
|
snmp_add_null_var(pdu, objid_query->vars[0].name, objid_query->vars[0].name_length);
|
|
} else {
|
|
if (st & SNMP_CMD_GET) {
|
|
pdu = snmp_pdu_create(SNMP_MSG_GET);
|
|
} else if (st & SNMP_CMD_GETNEXT) {
|
|
pdu = snmp_pdu_create(SNMP_MSG_GETNEXT);
|
|
} else if (st & SNMP_CMD_SET) {
|
|
pdu = snmp_pdu_create(SNMP_MSG_SET);
|
|
} else {
|
|
snmp_close(ss);
|
|
php_error_docref(NULL, E_ERROR, "Unknown SNMP command (internals)");
|
|
RETVAL_FALSE;
|
|
return;
|
|
}
|
|
for (count = 0; objid_query->offset < objid_query->count && count < objid_query->step; objid_query->offset++, count++){
|
|
if (st & SNMP_CMD_SET) {
|
|
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))) {
|
|
snprint_objid(buf, sizeof(buf), objid_query->vars[objid_query->offset].name, objid_query->vars[objid_query->offset].name_length);
|
|
php_snmp_error(getThis(), NULL, 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));
|
|
snmp_free_pdu(pdu);
|
|
snmp_close(ss);
|
|
RETVAL_FALSE;
|
|
return;
|
|
}
|
|
} else {
|
|
snmp_add_null_var(pdu, objid_query->vars[objid_query->offset].name, objid_query->vars[objid_query->offset].name_length);
|
|
}
|
|
}
|
|
if(pdu->variables == NULL){
|
|
snmp_free_pdu(pdu);
|
|
snmp_close(ss);
|
|
RETVAL_FALSE;
|
|
return;
|
|
}
|
|
}
|
|
|
|
retry:
|
|
status = snmp_synch_response(ss, pdu, &response);
|
|
if (status == STAT_SUCCESS) {
|
|
if (response->errstat == SNMP_ERR_NOERROR) {
|
|
if (st & SNMP_CMD_SET) {
|
|
if (objid_query->offset < objid_query->count) { /* we have unprocessed OIDs */
|
|
keepwalking = 1;
|
|
continue;
|
|
}
|
|
snmp_free_pdu(response);
|
|
snmp_close(ss);
|
|
RETVAL_TRUE;
|
|
return;
|
|
}
|
|
for (vars = response->variables; vars; vars = vars->next_variable) {
|
|
/* do not output errors as values */
|
|
if ( vars->type == SNMP_ENDOFMIBVIEW ||
|
|
vars->type == SNMP_NOSUCHOBJECT ||
|
|
vars->type == SNMP_NOSUCHINSTANCE ) {
|
|
if ((st & SNMP_CMD_WALK) && Z_TYPE_P(return_value) == IS_ARRAY) {
|
|
break;
|
|
}
|
|
snprint_objid(buf, sizeof(buf), vars->name, vars->name_length);
|
|
snprint_value(buf2, sizeof(buf2), vars->name, vars->name_length, vars);
|
|
php_snmp_error(getThis(), NULL, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at '%s': %s", buf, buf2);
|
|
continue;
|
|
}
|
|
|
|
if ((st & SNMP_CMD_WALK) &&
|
|
(vars->name_length < rootlen || memcmp(root, vars->name, rootlen * sizeof(oid)))) { /* not part of this subtree */
|
|
if (Z_TYPE_P(return_value) == IS_ARRAY) { /* some records are fetched already, shut down further lookup */
|
|
keepwalking = 0;
|
|
} else {
|
|
/* first fetched OID is out of subtree, fallback to GET query */
|
|
st |= SNMP_CMD_GET;
|
|
st ^= SNMP_CMD_WALK;
|
|
objid_query->offset = 0;
|
|
keepwalking = 1;
|
|
}
|
|
break;
|
|
}
|
|
|
|
ZVAL_NULL(&snmpval);
|
|
php_snmp_getvalue(vars, &snmpval, objid_query->valueretrieval);
|
|
|
|
if (objid_query->array_output) {
|
|
if (Z_TYPE_P(return_value) == IS_TRUE || Z_TYPE_P(return_value) == IS_FALSE) {
|
|
array_init(return_value);
|
|
}
|
|
if (st & SNMP_NUMERIC_KEYS) {
|
|
add_next_index_zval(return_value, &snmpval);
|
|
} else if (st & SNMP_ORIGINAL_NAMES_AS_KEYS && st & SNMP_CMD_GET) {
|
|
found = 0;
|
|
for (count = 0; count < objid_query->count; count++) {
|
|
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) {
|
|
found = 1;
|
|
objid_query->vars[count].name_length = 0; /* mark this name as used */
|
|
break;
|
|
}
|
|
}
|
|
if (found) {
|
|
add_assoc_zval(return_value, objid_query->vars[count].oid, &snmpval);
|
|
} else {
|
|
snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
|
|
php_error_docref(NULL, E_WARNING, "Could not find original OID name for '%s'", buf2);
|
|
}
|
|
} else if (st & SNMP_USE_SUFFIX_AS_KEYS && st & SNMP_CMD_WALK) {
|
|
snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
|
|
if (rootlen <= vars->name_length && snmp_oid_compare(root, rootlen, vars->name, rootlen) == 0) {
|
|
buf2[0] = '\0';
|
|
count = rootlen;
|
|
while(count < vars->name_length){
|
|
sprintf(buf, "%lu.", vars->name[count]);
|
|
strcat(buf2, buf);
|
|
count++;
|
|
}
|
|
buf2[strlen(buf2) - 1] = '\0'; /* remove trailing '.' */
|
|
}
|
|
add_assoc_zval(return_value, buf2, &snmpval);
|
|
} else {
|
|
snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
|
|
add_assoc_zval(return_value, buf2, &snmpval);
|
|
}
|
|
} else {
|
|
ZVAL_COPY_VALUE(return_value, &snmpval);
|
|
break;
|
|
}
|
|
|
|
/* OID increase check */
|
|
if (st & SNMP_CMD_WALK) {
|
|
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) {
|
|
snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
|
|
php_snmp_error(getThis(), NULL, PHP_SNMP_ERRNO_OID_NOT_INCREASING, "Error: OID not increasing: %s", buf2);
|
|
keepwalking = 0;
|
|
} else {
|
|
memmove((char *)(objid_query->vars[0].name), (char *)vars->name, vars->name_length * sizeof(oid));
|
|
objid_query->vars[0].name_length = vars->name_length;
|
|
keepwalking = 1;
|
|
}
|
|
}
|
|
}
|
|
if (objid_query->offset < objid_query->count) { /* we have unprocessed OIDs */
|
|
keepwalking = 1;
|
|
}
|
|
} else {
|
|
if (st & SNMP_CMD_WALK && response->errstat == SNMP_ERR_TOOBIG && objid_query->max_repetitions > 1) { /* Answer will not fit into single packet */
|
|
objid_query->max_repetitions /= 2;
|
|
snmp_free_pdu(response);
|
|
keepwalking = 1;
|
|
continue;
|
|
}
|
|
if (!(st & SNMP_CMD_WALK) || response->errstat != SNMP_ERR_NOSUCHNAME || Z_TYPE_P(return_value) == IS_TRUE || Z_TYPE_P(return_value) == IS_FALSE) {
|
|
for (count=1, vars = response->variables;
|
|
vars && count != response->errindex;
|
|
vars = vars->next_variable, count++);
|
|
|
|
if (st & (SNMP_CMD_GET | SNMP_CMD_GETNEXT) && response->errstat == SNMP_ERR_TOOBIG && objid_query->step > 1) { /* Answer will not fit into single packet */
|
|
objid_query->offset = ((objid_query->offset > objid_query->step) ? (objid_query->offset - objid_query->step) : 0 );
|
|
objid_query->step /= 2;
|
|
snmp_free_pdu(response);
|
|
keepwalking = 1;
|
|
continue;
|
|
}
|
|
if (vars) {
|
|
snprint_objid(buf, sizeof(buf), vars->name, vars->name_length);
|
|
php_snmp_error(getThis(), NULL, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at '%s': %s", buf, snmp_errstring(response->errstat));
|
|
} else {
|
|
php_snmp_error(getThis(), NULL, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at %u object_id: %s", response->errindex, snmp_errstring(response->errstat));
|
|
}
|
|
if (st & (SNMP_CMD_GET | SNMP_CMD_GETNEXT)) { /* cut out bogus OID and retry */
|
|
if ((pdu = snmp_fix_pdu(response, ((st & SNMP_CMD_GET) ? SNMP_MSG_GET : SNMP_MSG_GETNEXT) )) != NULL) {
|
|
snmp_free_pdu(response);
|
|
goto retry;
|
|
}
|
|
}
|
|
snmp_free_pdu(response);
|
|
snmp_close(ss);
|
|
if (objid_query->array_output) {
|
|
zval_ptr_dtor(return_value);
|
|
}
|
|
RETVAL_FALSE;
|
|
return;
|
|
}
|
|
}
|
|
} else if (status == STAT_TIMEOUT) {
|
|
php_snmp_error(getThis(), NULL, PHP_SNMP_ERRNO_TIMEOUT, "No response from %s", session->peername);
|
|
if (objid_query->array_output) {
|
|
zval_ptr_dtor(return_value);
|
|
}
|
|
snmp_close(ss);
|
|
RETVAL_FALSE;
|
|
return;
|
|
} else { /* status == STAT_ERROR */
|
|
snmp_error(ss, NULL, NULL, &err);
|
|
php_snmp_error(getThis(), NULL, PHP_SNMP_ERRNO_GENERIC, "Fatal error: %s", err);
|
|
free(err);
|
|
if (objid_query->array_output) {
|
|
zval_ptr_dtor(return_value);
|
|
}
|
|
snmp_close(ss);
|
|
RETVAL_FALSE;
|
|
return;
|
|
}
|
|
if (response) {
|
|
snmp_free_pdu(response);
|
|
}
|
|
} /* keepwalking */
|
|
snmp_close(ss);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_parse_oid
|
|
*
|
|
* OID parser (and type, value for SNMP_SET command)
|
|
*/
|
|
|
|
static int php_snmp_parse_oid(zval *object, int st, struct objid_query *objid_query, zval *oid, zval *type, zval *value)
|
|
{
|
|
char *pptr;
|
|
HashPosition pos_oid, pos_type, pos_value;
|
|
zval *tmp_oid, *tmp_type, *tmp_value;
|
|
|
|
if (Z_TYPE_P(oid) != IS_ARRAY) {
|
|
/*
|
|
if (Z_ISREF_PP(oid)) {
|
|
SEPARATE_ZVAL(oid);
|
|
}
|
|
*/
|
|
convert_to_string_ex(oid);
|
|
} else if (Z_TYPE_P(oid) == IS_ARRAY) {
|
|
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(oid), &pos_oid);
|
|
}
|
|
|
|
if (st & SNMP_CMD_SET) {
|
|
if (Z_TYPE_P(type) != IS_ARRAY) {
|
|
/*
|
|
if (Z_ISREF_PP(type)) {
|
|
SEPARATE_ZVAL(type);
|
|
}
|
|
*/
|
|
convert_to_string_ex(type);
|
|
} else if (Z_TYPE_P(type) == IS_ARRAY) {
|
|
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(type), &pos_type);
|
|
}
|
|
|
|
if (Z_TYPE_P(value) != IS_ARRAY) {
|
|
/*
|
|
if (Z_ISREF_PP(value)) {
|
|
SEPARATE_ZVAL(value);
|
|
}
|
|
*/
|
|
convert_to_string_ex(value);
|
|
} else if (Z_TYPE_P(value) == IS_ARRAY) {
|
|
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(value), &pos_value);
|
|
}
|
|
}
|
|
|
|
objid_query->count = 0;
|
|
objid_query->array_output = ((st & SNMP_CMD_WALK) ? TRUE : FALSE);
|
|
if (Z_TYPE_P(oid) == IS_STRING) {
|
|
objid_query->vars = (snmpobjarg *)emalloc(sizeof(snmpobjarg));
|
|
if (objid_query->vars == NULL) {
|
|
php_error_docref(NULL, E_WARNING, "emalloc() failed while parsing oid: %s", strerror(errno));
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
objid_query->vars[objid_query->count].oid = Z_STRVAL_P(oid);
|
|
if (st & SNMP_CMD_SET) {
|
|
if (Z_TYPE_P(type) == IS_STRING && Z_TYPE_P(value) == IS_STRING) {
|
|
if (Z_STRLEN_P(type) != 1) {
|
|
php_error_docref(NULL, E_WARNING, "Bogus type '%s', should be single char, got %u", Z_STRVAL_P(type), Z_STRLEN_P(type));
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
pptr = Z_STRVAL_P(type);
|
|
objid_query->vars[objid_query->count].type = *pptr;
|
|
objid_query->vars[objid_query->count].value = Z_STRVAL_P(value);
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "Single objid and multiple type or values are not supported");
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
}
|
|
objid_query->count++;
|
|
} else if (Z_TYPE_P(oid) == IS_ARRAY) { /* we got objid array */
|
|
if (zend_hash_num_elements(Z_ARRVAL_P(oid)) == 0) {
|
|
php_error_docref(NULL, E_WARNING, "Got empty OID array");
|
|
return FALSE;
|
|
}
|
|
objid_query->vars = (snmpobjarg *)emalloc(sizeof(snmpobjarg) * zend_hash_num_elements(Z_ARRVAL_P(oid)));
|
|
if (objid_query->vars == NULL) {
|
|
php_error_docref(NULL, E_WARNING, "emalloc() failed while parsing oid array: %s", strerror(errno));
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
objid_query->array_output = ( (st & SNMP_CMD_SET) ? FALSE : TRUE );
|
|
for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(oid), &pos_oid);
|
|
(tmp_oid = zend_hash_get_current_data_ex(Z_ARRVAL_P(oid), &pos_oid)) != NULL;
|
|
zend_hash_move_forward_ex(Z_ARRVAL_P(oid), &pos_oid) ) {
|
|
|
|
convert_to_string_ex(tmp_oid);
|
|
objid_query->vars[objid_query->count].oid = Z_STRVAL_P(tmp_oid);
|
|
if (st & SNMP_CMD_SET) {
|
|
if (Z_TYPE_P(type) == IS_STRING) {
|
|
pptr = Z_STRVAL_P(type);
|
|
objid_query->vars[objid_query->count].type = *pptr;
|
|
} else if (Z_TYPE_P(type) == IS_ARRAY) {
|
|
if ((tmp_type = zend_hash_get_current_data_ex(Z_ARRVAL_P(type), &pos_type)) != NULL) {
|
|
convert_to_string_ex(tmp_type);
|
|
if (Z_STRLEN_P(tmp_type) != 1) {
|
|
php_error_docref(NULL, E_WARNING, "'%s': bogus type '%s', should be single char, got %u", Z_STRVAL_P(tmp_oid), Z_STRVAL_P(tmp_type), Z_STRLEN_P(tmp_type));
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
pptr = Z_STRVAL_P(tmp_type);
|
|
objid_query->vars[objid_query->count].type = *pptr;
|
|
zend_hash_move_forward_ex(Z_ARRVAL_P(type), &pos_type);
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "'%s': no type set", Z_STRVAL_P(tmp_oid));
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (Z_TYPE_P(value) == IS_STRING) {
|
|
objid_query->vars[objid_query->count].value = Z_STRVAL_P(value);
|
|
} else if (Z_TYPE_P(value) == IS_ARRAY) {
|
|
if ((tmp_value = zend_hash_get_current_data_ex(Z_ARRVAL_P(value), &pos_value)) != NULL) {
|
|
convert_to_string_ex(tmp_value);
|
|
objid_query->vars[objid_query->count].value = Z_STRVAL_P(tmp_value);
|
|
zend_hash_move_forward_ex(Z_ARRVAL_P(value), &pos_value);
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "'%s': no value set", Z_STRVAL_P(tmp_oid));
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
objid_query->count++;
|
|
}
|
|
}
|
|
|
|
/* now parse all OIDs */
|
|
if (st & SNMP_CMD_WALK) {
|
|
if (objid_query->count > 1) {
|
|
php_snmp_error(object, NULL, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Multi OID walks are not supported!");
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
objid_query->vars[0].name_length = MAX_NAME_LEN;
|
|
if (strlen(objid_query->vars[0].oid)) { /* on a walk, an empty string means top of tree - no error */
|
|
if (!snmp_parse_oid(objid_query->vars[0].oid, objid_query->vars[0].name, &(objid_query->vars[0].name_length))) {
|
|
php_snmp_error(object, NULL, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Invalid object identifier: %s", objid_query->vars[0].oid);
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
memmove((char *)objid_query->vars[0].name, (char *)objid_mib, sizeof(objid_mib));
|
|
objid_query->vars[0].name_length = sizeof(objid_mib) / sizeof(oid);
|
|
}
|
|
} else {
|
|
for (objid_query->offset = 0; objid_query->offset < objid_query->count; objid_query->offset++) {
|
|
objid_query->vars[objid_query->offset].name_length = MAX_OID_LEN;
|
|
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))) {
|
|
php_snmp_error(object, NULL, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Invalid object identifier: %s", objid_query->vars[objid_query->offset].oid);
|
|
efree(objid_query->vars);
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
objid_query->offset = 0;
|
|
objid_query->step = objid_query->count;
|
|
return (objid_query->count > 0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ netsnmp_session_init
|
|
allocates memory for session and session->peername, caller should free it manually using netsnmp_session_free() and efree()
|
|
*/
|
|
static int netsnmp_session_init(php_snmp_session **session_p, int version, char *hostname, char *community, int timeout, int retries)
|
|
{
|
|
php_snmp_session *session;
|
|
char *pptr, *host_ptr;
|
|
int force_ipv6 = FALSE;
|
|
int n;
|
|
struct sockaddr **psal;
|
|
struct sockaddr **res;
|
|
|
|
*session_p = (php_snmp_session *)emalloc(sizeof(php_snmp_session));
|
|
session = *session_p;
|
|
if (session == NULL) {
|
|
php_error_docref(NULL, E_WARNING, "emalloc() failed allocating session");
|
|
return (-1);
|
|
}
|
|
memset(session, 0, sizeof(php_snmp_session));
|
|
|
|
snmp_sess_init(session);
|
|
|
|
session->version = version;
|
|
session->remote_port = SNMP_PORT;
|
|
|
|
session->peername = emalloc(MAX_NAME_LEN);
|
|
if (session->peername == NULL) {
|
|
php_error_docref(NULL, E_WARNING, "emalloc() failed while copying hostname");
|
|
return (-1);
|
|
}
|
|
/* we copy original hostname for further processing */
|
|
strlcpy(session->peername, hostname, MAX_NAME_LEN);
|
|
host_ptr = session->peername;
|
|
|
|
/* Reading the hostname and its optional non-default port number */
|
|
if (*host_ptr == '[') { /* IPv6 address */
|
|
force_ipv6 = TRUE;
|
|
host_ptr++;
|
|
if ((pptr = strchr(host_ptr, ']'))) {
|
|
if (pptr[1] == ':') {
|
|
session->remote_port = atoi(pptr + 2);
|
|
}
|
|
*pptr = '\0';
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "malformed IPv6 address, closing square bracket missing");
|
|
return (-1);
|
|
}
|
|
} else { /* IPv4 address */
|
|
if ((pptr = strchr(host_ptr, ':'))) {
|
|
session->remote_port = atoi(pptr + 1);
|
|
*pptr = '\0';
|
|
}
|
|
}
|
|
|
|
/* since Net-SNMP library requires 'udp6:' prefix for all IPv6 addresses (in FQDN form too) we need to
|
|
perform possible name resolution before running any SNMP queries */
|
|
if ((n = php_network_getaddresses(host_ptr, SOCK_DGRAM, &psal, NULL)) == 0) { /* some resolver error */
|
|
/* warnings sent, bailing out */
|
|
return (-1);
|
|
}
|
|
|
|
/* we have everything we need in psal, flush peername and fill it properly */
|
|
*(session->peername) = '\0';
|
|
res = psal;
|
|
while (n-- > 0) {
|
|
pptr = session->peername;
|
|
#if HAVE_GETADDRINFO && HAVE_IPV6 && HAVE_INET_NTOP
|
|
if (force_ipv6 && (*res)->sa_family != AF_INET6) {
|
|
res++;
|
|
continue;
|
|
}
|
|
if ((*res)->sa_family == AF_INET6) {
|
|
strcpy(session->peername, "udp6:[");
|
|
pptr = session->peername + strlen(session->peername);
|
|
inet_ntop((*res)->sa_family, &(((struct sockaddr_in6*)(*res))->sin6_addr), pptr, MAX_NAME_LEN);
|
|
strcat(pptr, "]");
|
|
} else if ((*res)->sa_family == AF_INET) {
|
|
inet_ntop((*res)->sa_family, &(((struct sockaddr_in*)(*res))->sin_addr), pptr, MAX_NAME_LEN);
|
|
} else {
|
|
res++;
|
|
continue;
|
|
}
|
|
#else
|
|
if ((*res)->sa_family != AF_INET) {
|
|
res++;
|
|
continue;
|
|
}
|
|
strcat(pptr, inet_ntoa(((struct sockaddr_in*)(*res))->sin_addr));
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
if (strlen(session->peername) == 0) {
|
|
php_error_docref(NULL, E_WARNING, "Unknown failure while resolving '%s'", hostname);
|
|
return (-1);
|
|
}
|
|
/* XXX FIXME
|
|
There should be check for non-empty session->peername!
|
|
*/
|
|
|
|
/* put back non-standard SNMP port */
|
|
if (session->remote_port != SNMP_PORT) {
|
|
pptr = session->peername + strlen(session->peername);
|
|
sprintf(pptr, ":%d", session->remote_port);
|
|
}
|
|
|
|
php_network_freeaddresses(psal);
|
|
|
|
if (version == SNMP_VERSION_3) {
|
|
/* Setting the security name. */
|
|
session->securityName = estrdup(community);
|
|
session->securityNameLen = strlen(session->securityName);
|
|
} else {
|
|
session->authenticator = NULL;
|
|
session->community = (u_char *)estrdup(community);
|
|
session->community_len = strlen(community);
|
|
}
|
|
|
|
session->retries = retries;
|
|
session->timeout = timeout;
|
|
return (0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ int netsnmp_session_set_sec_level(struct snmp_session *s, char *level)
|
|
Set the security level in the snmpv3 session */
|
|
static int netsnmp_session_set_sec_level(struct snmp_session *s, char *level)
|
|
{
|
|
if (!strcasecmp(level, "noAuthNoPriv") || !strcasecmp(level, "nanp")) {
|
|
s->securityLevel = SNMP_SEC_LEVEL_NOAUTH;
|
|
} else if (!strcasecmp(level, "authNoPriv") || !strcasecmp(level, "anp")) {
|
|
s->securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV;
|
|
} else if (!strcasecmp(level, "authPriv") || !strcasecmp(level, "ap")) {
|
|
s->securityLevel = SNMP_SEC_LEVEL_AUTHPRIV;
|
|
} else {
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ int netsnmp_session_set_auth_protocol(struct snmp_session *s, char *prot)
|
|
Set the authentication protocol in the snmpv3 session */
|
|
static int netsnmp_session_set_auth_protocol(struct snmp_session *s, char *prot)
|
|
{
|
|
if (!strcasecmp(prot, "MD5")) {
|
|
s->securityAuthProto = usmHMACMD5AuthProtocol;
|
|
s->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
|
|
} else if (!strcasecmp(prot, "SHA")) {
|
|
s->securityAuthProto = usmHMACSHA1AuthProtocol;
|
|
s->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "Unknown authentication protocol '%s'", prot);
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ int netsnmp_session_set_sec_protocol(struct snmp_session *s, char *prot)
|
|
Set the security protocol in the snmpv3 session */
|
|
static int netsnmp_session_set_sec_protocol(struct snmp_session *s, char *prot)
|
|
{
|
|
if (!strcasecmp(prot, "DES")) {
|
|
s->securityPrivProto = usmDESPrivProtocol;
|
|
s->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
|
|
#ifdef HAVE_AES
|
|
} else if (!strcasecmp(prot, "AES128") || !strcasecmp(prot, "AES")) {
|
|
s->securityPrivProto = usmAESPrivProtocol;
|
|
s->securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN;
|
|
#endif
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "Unknown security protocol '%s'", prot);
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ int netsnmp_session_gen_auth_key(struct snmp_session *s, char *pass)
|
|
Make key from pass phrase in the snmpv3 session */
|
|
static int netsnmp_session_gen_auth_key(struct snmp_session *s, char *pass)
|
|
{
|
|
int snmp_errno;
|
|
s->securityAuthKeyLen = USM_AUTH_KU_LEN;
|
|
if ((snmp_errno = generate_Ku(s->securityAuthProto, s->securityAuthProtoLen,
|
|
(u_char *) pass, strlen(pass),
|
|
s->securityAuthKey, &(s->securityAuthKeyLen)))) {
|
|
php_error_docref(NULL, E_WARNING, "Error generating a key for authentication pass phrase '%s': %s", pass, snmp_api_errstring(snmp_errno));
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ int netsnmp_session_gen_sec_key(struct snmp_session *s, u_char *pass)
|
|
Make key from pass phrase in the snmpv3 session */
|
|
static int netsnmp_session_gen_sec_key(struct snmp_session *s, char *pass)
|
|
{
|
|
int snmp_errno;
|
|
|
|
s->securityPrivKeyLen = USM_PRIV_KU_LEN;
|
|
if ((snmp_errno = generate_Ku(s->securityAuthProto, s->securityAuthProtoLen,
|
|
(u_char *)pass, strlen(pass),
|
|
s->securityPrivKey, &(s->securityPrivKeyLen)))) {
|
|
php_error_docref(NULL, E_WARNING, "Error generating a key for privacy pass phrase '%s': %s", pass, snmp_api_errstring(snmp_errno));
|
|
return (-2);
|
|
}
|
|
return (0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ in netsnmp_session_set_contextEngineID(struct snmp_session *s, u_char * contextEngineID)
|
|
Set context Engine Id in the snmpv3 session */
|
|
static int netsnmp_session_set_contextEngineID(struct snmp_session *s, char * contextEngineID)
|
|
{
|
|
size_t ebuf_len = 32, eout_len = 0;
|
|
u_char *ebuf = (u_char *) emalloc(ebuf_len);
|
|
|
|
if (ebuf == NULL) {
|
|
php_error_docref(NULL, E_WARNING, "malloc failure setting contextEngineID");
|
|
return (-1);
|
|
}
|
|
if (!snmp_hex_to_binary(&ebuf, &ebuf_len, &eout_len, 1, contextEngineID)) {
|
|
php_error_docref(NULL, E_WARNING, "Bad engine ID value '%s'", contextEngineID);
|
|
efree(ebuf);
|
|
return (-1);
|
|
}
|
|
|
|
if (s->contextEngineID) {
|
|
efree(s->contextEngineID);
|
|
}
|
|
|
|
s->contextEngineID = ebuf;
|
|
s->contextEngineIDLen = eout_len;
|
|
return (0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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)
|
|
Set all snmpv3-related security options */
|
|
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)
|
|
{
|
|
|
|
/* Setting the security level. */
|
|
if (netsnmp_session_set_sec_level(session, sec_level)) {
|
|
php_error_docref(NULL, E_WARNING, "Invalid security level '%s'", sec_level);
|
|
return (-1);
|
|
}
|
|
|
|
if (session->securityLevel == SNMP_SEC_LEVEL_AUTHNOPRIV || session->securityLevel == SNMP_SEC_LEVEL_AUTHPRIV) {
|
|
|
|
/* Setting the authentication protocol. */
|
|
if (netsnmp_session_set_auth_protocol(session, auth_protocol)) {
|
|
/* Warning message sent already, just bail out */
|
|
return (-1);
|
|
}
|
|
|
|
/* Setting the authentication passphrase. */
|
|
if (netsnmp_session_gen_auth_key(session, auth_passphrase)) {
|
|
/* Warning message sent already, just bail out */
|
|
return (-1);
|
|
}
|
|
|
|
if (session->securityLevel == SNMP_SEC_LEVEL_AUTHPRIV) {
|
|
/* Setting the security protocol. */
|
|
if (netsnmp_session_set_sec_protocol(session, priv_protocol)) {
|
|
/* Warning message sent already, just bail out */
|
|
return (-1);
|
|
}
|
|
|
|
/* Setting the security protocol passphrase. */
|
|
if (netsnmp_session_gen_sec_key(session, priv_passphrase)) {
|
|
/* Warning message sent already, just bail out */
|
|
return (-1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Setting contextName if specified */
|
|
if (contextName) {
|
|
session->contextName = contextName;
|
|
session->contextNameLen = strlen(contextName);
|
|
}
|
|
|
|
/* Setting contextEngineIS if specified */
|
|
if (contextEngineID && strlen(contextEngineID) && netsnmp_session_set_contextEngineID(session, contextEngineID)) {
|
|
/* Warning message sent already, just bail out */
|
|
return (-1);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp
|
|
*
|
|
* Generic SNMP handler for all versions.
|
|
* This function makes use of the internal SNMP object fetcher.
|
|
* Used both in old (non-OO) and OO API
|
|
*
|
|
*/
|
|
static void php_snmp(INTERNAL_FUNCTION_PARAMETERS, int st, int version)
|
|
{
|
|
zval *oid, *value, *type;
|
|
char *a1, *a2, *a3, *a4, *a5, *a6, *a7;
|
|
size_t a1_len, a2_len, a3_len, a4_len, a5_len, a6_len, a7_len;
|
|
zend_bool use_orignames = 0, suffix_keys = 0;
|
|
zend_long timeout = SNMP_DEFAULT_TIMEOUT;
|
|
zend_long retries = SNMP_DEFAULT_RETRIES;
|
|
int argc = ZEND_NUM_ARGS();
|
|
struct objid_query objid_query;
|
|
php_snmp_session *session;
|
|
int session_less_mode = (getThis() == NULL);
|
|
php_snmp_object *snmp_object;
|
|
php_snmp_object glob_snmp_object;
|
|
|
|
objid_query.max_repetitions = -1;
|
|
objid_query.non_repeaters = 0;
|
|
objid_query.valueretrieval = SNMP_G(valueretrieval);
|
|
objid_query.oid_increasing_check = TRUE;
|
|
|
|
if (session_less_mode) {
|
|
if (version == SNMP_VERSION_3) {
|
|
if (st & SNMP_CMD_SET) {
|
|
if (zend_parse_parameters(argc, "ssssssszzz|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len,
|
|
&a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len, &oid, &type, &value, &timeout, &retries) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
} else {
|
|
/* SNMP_CMD_GET
|
|
* SNMP_CMD_GETNEXT
|
|
* SNMP_CMD_WALK
|
|
*/
|
|
if (zend_parse_parameters(argc, "sssssssz|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len,
|
|
&a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len, &oid, &timeout, &retries) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
} else {
|
|
if (st & SNMP_CMD_SET) {
|
|
if (zend_parse_parameters(argc, "sszzz|ll", &a1, &a1_len, &a2, &a2_len, &oid, &type, &value, &timeout, &retries) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
} else {
|
|
/* SNMP_CMD_GET
|
|
* SNMP_CMD_GETNEXT
|
|
* SNMP_CMD_WALK
|
|
*/
|
|
if (zend_parse_parameters(argc, "ssz|ll", &a1, &a1_len, &a2, &a2_len, &oid, &timeout, &retries) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (st & SNMP_CMD_SET) {
|
|
if (zend_parse_parameters(argc, "zzz", &oid, &type, &value) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
} else if (st & SNMP_CMD_WALK) {
|
|
if (zend_parse_parameters(argc, "z|bll", &oid, &suffix_keys, &(objid_query.max_repetitions), &(objid_query.non_repeaters)) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
if (suffix_keys) {
|
|
st |= SNMP_USE_SUFFIX_AS_KEYS;
|
|
}
|
|
} else if (st & SNMP_CMD_GET) {
|
|
if (zend_parse_parameters(argc, "z|b", &oid, &use_orignames) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
if (use_orignames) {
|
|
st |= SNMP_ORIGINAL_NAMES_AS_KEYS;
|
|
}
|
|
} else {
|
|
/* SNMP_CMD_GETNEXT
|
|
*/
|
|
if (zend_parse_parameters(argc, "z", &oid) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!php_snmp_parse_oid(getThis(), st, &objid_query, oid, type, value)) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (session_less_mode) {
|
|
if (netsnmp_session_init(&session, version, a1, a2, timeout, retries)) {
|
|
efree(objid_query.vars);
|
|
netsnmp_session_free(&session);
|
|
RETURN_FALSE;
|
|
}
|
|
if (version == SNMP_VERSION_3 && netsnmp_session_set_security(session, a3, a4, a5, a6, a7, NULL, NULL)) {
|
|
efree(objid_query.vars);
|
|
netsnmp_session_free(&session);
|
|
/* Warning message sent already, just bail out */
|
|
RETURN_FALSE;
|
|
}
|
|
} else {
|
|
zval *object = getThis();
|
|
snmp_object = Z_SNMP_P(object);
|
|
session = snmp_object->session;
|
|
if (!session) {
|
|
php_error_docref(NULL, E_WARNING, "Invalid or uninitialized SNMP object");
|
|
efree(objid_query.vars);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (snmp_object->max_oids > 0) {
|
|
objid_query.step = snmp_object->max_oids;
|
|
if (objid_query.max_repetitions < 0) { /* unspecified in function call, use session-wise */
|
|
objid_query.max_repetitions = snmp_object->max_oids;
|
|
}
|
|
}
|
|
objid_query.oid_increasing_check = snmp_object->oid_increasing_check;
|
|
objid_query.valueretrieval = snmp_object->valueretrieval;
|
|
glob_snmp_object.enum_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM);
|
|
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, snmp_object->enum_print);
|
|
glob_snmp_object.quick_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT);
|
|
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, snmp_object->quick_print);
|
|
glob_snmp_object.oid_output_format = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT);
|
|
netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, snmp_object->oid_output_format);
|
|
}
|
|
|
|
if (objid_query.max_repetitions < 0) {
|
|
objid_query.max_repetitions = 20; /* provide correct default value */
|
|
}
|
|
|
|
php_snmp_internal(INTERNAL_FUNCTION_PARAM_PASSTHRU, st, session, &objid_query);
|
|
|
|
efree(objid_query.vars);
|
|
|
|
if (session_less_mode) {
|
|
netsnmp_session_free(&session);
|
|
} else {
|
|
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, glob_snmp_object.enum_print);
|
|
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, glob_snmp_object.quick_print);
|
|
netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, glob_snmp_object.oid_output_format);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed snmpget(string host, string community, mixed object_id [, int timeout [, int retries]])
|
|
Fetch a SNMP object */
|
|
PHP_FUNCTION(snmpget)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_1);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed snmpgetnext(string host, string community, mixed object_id [, int timeout [, int retries]])
|
|
Fetch a SNMP object */
|
|
PHP_FUNCTION(snmpgetnext)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_1);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed snmpwalk(string host, string community, mixed object_id [, int timeout [, int retries]])
|
|
Return all objects under the specified object id */
|
|
PHP_FUNCTION(snmpwalk)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_1);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed snmprealwalk(string host, string community, mixed object_id [, int timeout [, int retries]])
|
|
Return all objects including their respective object id within the specified one */
|
|
PHP_FUNCTION(snmprealwalk)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_1);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool snmpset(string host, string community, mixed object_id, mixed type, mixed value [, int timeout [, int retries]])
|
|
Set the value of a SNMP object */
|
|
PHP_FUNCTION(snmpset)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_1);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool snmp_get_quick_print(void)
|
|
Return the current status of quick_print */
|
|
PHP_FUNCTION(snmp_get_quick_print)
|
|
{
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
RETURN_BOOL(netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool snmp_set_quick_print(int quick_print)
|
|
Return all objects including their respective object id within the specified one */
|
|
PHP_FUNCTION(snmp_set_quick_print)
|
|
{
|
|
zend_long a1;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &a1) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, (int)a1);
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool snmp_set_enum_print(int enum_print)
|
|
Return all values that are enums with their enum value instead of the raw integer */
|
|
PHP_FUNCTION(snmp_set_enum_print)
|
|
{
|
|
zend_long a1;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &a1) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, (int) a1);
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool snmp_set_oid_output_format(int oid_format)
|
|
Set the OID output format. */
|
|
PHP_FUNCTION(snmp_set_oid_output_format)
|
|
{
|
|
zend_long a1;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &a1) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
switch((int) a1) {
|
|
case NETSNMP_OID_OUTPUT_SUFFIX:
|
|
case NETSNMP_OID_OUTPUT_MODULE:
|
|
case NETSNMP_OID_OUTPUT_FULL:
|
|
case NETSNMP_OID_OUTPUT_NUMERIC:
|
|
case NETSNMP_OID_OUTPUT_UCD:
|
|
case NETSNMP_OID_OUTPUT_NONE:
|
|
netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, a1);
|
|
RETURN_TRUE;
|
|
break;
|
|
default:
|
|
php_error_docref(NULL, E_WARNING, "Unknown SNMP output print format '%d'", (int) a1);
|
|
RETURN_FALSE;
|
|
break;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed snmp2_get(string host, string community, mixed object_id [, int timeout [, int retries]])
|
|
Fetch a SNMP object */
|
|
PHP_FUNCTION(snmp2_get)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_2c);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed snmp2_getnext(string host, string community, mixed object_id [, int timeout [, int retries]])
|
|
Fetch a SNMP object */
|
|
PHP_FUNCTION(snmp2_getnext)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_2c);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed snmp2_walk(string host, string community, mixed object_id [, int timeout [, int retries]])
|
|
Return all objects under the specified object id */
|
|
PHP_FUNCTION(snmp2_walk)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_2c);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed snmp2_real_walk(string host, string community, mixed object_id [, int timeout [, int retries]])
|
|
Return all objects including their respective object id within the specified one */
|
|
PHP_FUNCTION(snmp2_real_walk)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_2c);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool snmp2_set(string host, string community, mixed object_id, mixed type, mixed value [, int timeout [, int retries]])
|
|
Set the value of a SNMP object */
|
|
PHP_FUNCTION(snmp2_set)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_2c);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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]])
|
|
Fetch the value of a SNMP object */
|
|
PHP_FUNCTION(snmp3_get)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_3);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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]])
|
|
Fetch the value of a SNMP object */
|
|
PHP_FUNCTION(snmp3_getnext)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_3);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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]])
|
|
Fetch the value of a SNMP object */
|
|
PHP_FUNCTION(snmp3_walk)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_3);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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]])
|
|
Fetch the value of a SNMP object */
|
|
PHP_FUNCTION(snmp3_real_walk)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_3);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ 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]])
|
|
Fetch the value of a SNMP object */
|
|
PHP_FUNCTION(snmp3_set)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_3);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool snmp_set_valueretrieval(int method)
|
|
Specify the method how the SNMP values will be returned */
|
|
PHP_FUNCTION(snmp_set_valueretrieval)
|
|
{
|
|
zend_long method;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &method) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (method >= 0 && method <= (SNMP_VALUE_LIBRARY|SNMP_VALUE_PLAIN|SNMP_VALUE_OBJECT)) {
|
|
SNMP_G(valueretrieval) = method;
|
|
RETURN_TRUE;
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "Unknown SNMP value retrieval method '%pd'", method);
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int snmp_get_valueretrieval()
|
|
Return the method how the SNMP values will be returned */
|
|
PHP_FUNCTION(snmp_get_valueretrieval)
|
|
{
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
RETURN_LONG(SNMP_G(valueretrieval));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool snmp_read_mib(string filename)
|
|
Reads and parses a MIB file into the active MIB tree. */
|
|
PHP_FUNCTION(snmp_read_mib)
|
|
{
|
|
char *filename;
|
|
size_t filename_len;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (!read_mib(filename)) {
|
|
char *error = strerror(errno);
|
|
php_error_docref(NULL, E_WARNING, "Error while reading MIB file '%s': %s", filename, error);
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto SNMP SNMP::__construct(int version, string hostname, string community|securityName [, long timeout [, long retries]])
|
|
Creates a new SNMP session to specified host. */
|
|
PHP_METHOD(snmp, __construct)
|
|
{
|
|
php_snmp_object *snmp_object;
|
|
zval *object = getThis();
|
|
char *a1, *a2;
|
|
size_t a1_len, a2_len;
|
|
zend_long timeout = SNMP_DEFAULT_TIMEOUT;
|
|
zend_long retries = SNMP_DEFAULT_RETRIES;
|
|
zend_long version = SNMP_DEFAULT_VERSION;
|
|
int argc = ZEND_NUM_ARGS();
|
|
zend_error_handling error_handling;
|
|
|
|
snmp_object = Z_SNMP_P(object);
|
|
zend_replace_error_handling(EH_THROW, NULL, &error_handling);
|
|
|
|
if (zend_parse_parameters(argc, "lss|ll", &version, &a1, &a1_len, &a2, &a2_len, &timeout, &retries) == FAILURE) {
|
|
zend_restore_error_handling(&error_handling);
|
|
return;
|
|
}
|
|
|
|
zend_restore_error_handling(&error_handling);
|
|
|
|
switch(version) {
|
|
case SNMP_VERSION_1:
|
|
case SNMP_VERSION_2c:
|
|
case SNMP_VERSION_3:
|
|
break;
|
|
default:
|
|
zend_throw_exception(zend_exception_get_default(), "Unknown SNMP protocol version", 0);
|
|
return;
|
|
}
|
|
|
|
/* handle re-open of snmp session */
|
|
if (snmp_object->session) {
|
|
netsnmp_session_free(&(snmp_object->session));
|
|
}
|
|
|
|
if (netsnmp_session_init(&(snmp_object->session), version, a1, a2, timeout, retries)) {
|
|
return;
|
|
}
|
|
snmp_object->max_oids = 0;
|
|
snmp_object->valueretrieval = SNMP_G(valueretrieval);
|
|
snmp_object->enum_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM);
|
|
snmp_object->oid_output_format = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT);
|
|
snmp_object->quick_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT);
|
|
snmp_object->oid_increasing_check = TRUE;
|
|
snmp_object->exceptions_enabled = 0;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool SNMP::close()
|
|
Close SNMP session */
|
|
PHP_METHOD(snmp, close)
|
|
{
|
|
php_snmp_object *snmp_object;
|
|
zval *object = getThis();
|
|
|
|
snmp_object = Z_SNMP_P(object);
|
|
|
|
if (zend_parse_parameters_none() == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
netsnmp_session_free(&(snmp_object->session));
|
|
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed SNMP::get(mixed object_id [, bool preserve_keys])
|
|
Fetch a SNMP object returning scalar for single OID and array of oid->value pairs for multi OID request */
|
|
PHP_METHOD(snmp, get)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, (-1));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed SNMP::getnext(mixed object_id)
|
|
Fetch a SNMP object returning scalar for single OID and array of oid->value pairs for multi OID request */
|
|
PHP_METHOD(snmp, getnext)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, (-1));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed SNMP::walk(mixed object_id [, bool $suffix_as_key = FALSE [, int $max_repetitions [, int $non_repeaters]])
|
|
Return all objects including their respective object id within the specified one as array of oid->value pairs */
|
|
PHP_METHOD(snmp, walk)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, (-1));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool SNMP::set(mixed object_id, mixed type, mixed value)
|
|
Set the value of a SNMP object */
|
|
PHP_METHOD(snmp, set)
|
|
{
|
|
php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, (-1));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool SNMP::setSecurity(string sec_level, [ string auth_protocol, string auth_passphrase [, string priv_protocol, string priv_passphrase [, string contextName [, string contextEngineID]]]])
|
|
Set SNMPv3 security-related session parameters */
|
|
PHP_METHOD(snmp, setSecurity)
|
|
{
|
|
php_snmp_object *snmp_object;
|
|
zval *object = getThis();
|
|
char *a1 = "", *a2 = "", *a3 = "", *a4 = "", *a5 = "", *a6 = "", *a7 = "";
|
|
size_t a1_len = 0, a2_len = 0, a3_len = 0, a4_len = 0, a5_len = 0, a6_len = 0, a7_len = 0;
|
|
int argc = ZEND_NUM_ARGS();
|
|
|
|
snmp_object = Z_SNMP_P(object);
|
|
|
|
if (zend_parse_parameters(argc, "s|ssssss", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len,
|
|
&a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (netsnmp_session_set_security(snmp_object->session, a1, a2, a3, a4, a5, a6, a7)) {
|
|
/* Warning message sent already, just bail out */
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto long SNMP::getErrno()
|
|
Get last error code number */
|
|
PHP_METHOD(snmp, getErrno)
|
|
{
|
|
php_snmp_object *snmp_object;
|
|
zval *object = getThis();
|
|
|
|
snmp_object = Z_SNMP_P(object);
|
|
|
|
RETVAL_LONG(snmp_object->snmp_errno);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto long SNMP::getError()
|
|
Get last error message */
|
|
PHP_METHOD(snmp, getError)
|
|
{
|
|
php_snmp_object *snmp_object;
|
|
zval *object = getThis();
|
|
|
|
snmp_object = Z_SNMP_P(object);
|
|
|
|
RETURN_STRING(snmp_object->snmp_errstr);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ */
|
|
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)
|
|
{
|
|
php_snmp_prop_handler p;
|
|
|
|
p.name = (char*) name;
|
|
p.name_length = name_length;
|
|
p.read_func = (read_func) ? read_func : NULL;
|
|
p.write_func = (write_func) ? write_func : NULL;
|
|
zend_hash_str_add_mem(h, (char *)name, name_length, &p, sizeof(php_snmp_prop_handler));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_read_property(zval *object, zval *member, int type[, const zend_literal *key])
|
|
Generic object property reader */
|
|
zval *php_snmp_read_property(zval *object, zval *member, int type, void **cache_slot, zval *rv)
|
|
{
|
|
zval tmp_member;
|
|
zval *retval;
|
|
php_snmp_object *obj;
|
|
php_snmp_prop_handler *hnd;
|
|
int ret;
|
|
|
|
obj = Z_SNMP_P(object);
|
|
|
|
if (Z_TYPE_P(member) != IS_STRING) {
|
|
ZVAL_COPY(&tmp_member, member);
|
|
convert_to_string(&tmp_member);
|
|
member = &tmp_member;
|
|
}
|
|
|
|
hnd = zend_hash_find_ptr(&php_snmp_properties, Z_STR_P(member));
|
|
|
|
if (hnd && hnd->read_func) {
|
|
ret = hnd->read_func(obj, rv);
|
|
if (ret == SUCCESS) {
|
|
retval = rv;
|
|
} else {
|
|
retval = &EG(uninitialized_zval);
|
|
}
|
|
} else {
|
|
zend_object_handlers * std_hnd = zend_get_std_object_handlers();
|
|
retval = std_hnd->read_property(object, member, type, cache_slot, rv);
|
|
}
|
|
|
|
if (member == &tmp_member) {
|
|
zval_ptr_dtor(member);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_write_property(zval *object, zval *member, zval *value[, const zend_literal *key])
|
|
Generic object property writer */
|
|
void php_snmp_write_property(zval *object, zval *member, zval *value, void **cache_slot)
|
|
{
|
|
zval tmp_member;
|
|
php_snmp_object *obj;
|
|
php_snmp_prop_handler *hnd;
|
|
|
|
if (Z_TYPE_P(member) != IS_STRING) {
|
|
ZVAL_COPY(&tmp_member, member);
|
|
convert_to_string(&tmp_member);
|
|
member = &tmp_member;
|
|
}
|
|
|
|
obj = Z_SNMP_P(object);
|
|
|
|
hnd = zend_hash_find_ptr(&php_snmp_properties, Z_STR_P(member));
|
|
|
|
if (hnd && hnd->write_func) {
|
|
hnd->write_func(obj, value);
|
|
/*
|
|
if (!PZVAL_IS_REF(value) && Z_REFCOUNT_P(value) == 0) {
|
|
Z_ADDREF_P(value);
|
|
zval_ptr_dtor(&value);
|
|
}
|
|
*/
|
|
} else {
|
|
zend_object_handlers * std_hnd = zend_get_std_object_handlers();
|
|
std_hnd->write_property(object, member, value, cache_slot);
|
|
}
|
|
|
|
if (member == &tmp_member) {
|
|
zval_ptr_dtor(member);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_has_property(zval *object, zval *member, int has_set_exists[, const zend_literal *key])
|
|
Generic object property checker */
|
|
static int php_snmp_has_property(zval *object, zval *member, int has_set_exists, void **cache_slot)
|
|
{
|
|
zval rv;
|
|
php_snmp_prop_handler *hnd;
|
|
int ret = 0;
|
|
|
|
if ((hnd = zend_hash_find_ptr(&php_snmp_properties, Z_STR_P(member))) != NULL) {
|
|
switch (has_set_exists) {
|
|
case 2:
|
|
ret = 1;
|
|
break;
|
|
case 0: {
|
|
zval *value = php_snmp_read_property(object, member, BP_VAR_IS, cache_slot, &rv);
|
|
if (value != &EG(uninitialized_zval)) {
|
|
ret = Z_TYPE_P(value) != IS_NULL? 1 : 0;
|
|
zval_ptr_dtor(value);
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
zval *value = php_snmp_read_property(object, member, BP_VAR_IS, cache_slot, &rv);
|
|
if (value != &EG(uninitialized_zval)) {
|
|
convert_to_boolean(value);
|
|
ret = Z_TYPE_P(value) == IS_TRUE? 1:0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
zend_object_handlers *std_hnd = zend_get_std_object_handlers();
|
|
ret = std_hnd->has_property(object, member, has_set_exists, cache_slot);
|
|
}
|
|
return ret;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_get_properties(zval *object)
|
|
Returns all object properties. Injects SNMP properties into object on first call */
|
|
static HashTable *php_snmp_get_properties(zval *object)
|
|
{
|
|
php_snmp_object *obj;
|
|
php_snmp_prop_handler *hnd;
|
|
HashTable *props;
|
|
zval rv;
|
|
zend_string *key;
|
|
zend_ulong num_key;
|
|
|
|
obj = Z_SNMP_P(object);
|
|
props = zend_std_get_properties(object);
|
|
|
|
ZEND_HASH_FOREACH_KEY_PTR(&php_snmp_properties, num_key, key, hnd) {
|
|
if (!hnd->read_func || hnd->read_func(obj, &rv) != SUCCESS) {
|
|
ZVAL_NULL(&rv);
|
|
}
|
|
zend_hash_update(props, key, &rv);
|
|
} ZEND_HASH_FOREACH_END();
|
|
|
|
return obj->zo.properties;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ */
|
|
static int php_snmp_read_info(php_snmp_object *snmp_object, zval *retval)
|
|
{
|
|
zval val;
|
|
|
|
array_init(retval);
|
|
|
|
if (snmp_object->session == NULL) {
|
|
return SUCCESS;
|
|
}
|
|
|
|
ZVAL_STRINGL(&val, snmp_object->session->peername, strlen(snmp_object->session->peername));
|
|
add_assoc_zval(retval, "hostname", &val);
|
|
|
|
ZVAL_LONG(&val, snmp_object->session->remote_port);
|
|
add_assoc_zval(retval, "port", &val);
|
|
|
|
ZVAL_LONG(&val, snmp_object->session->timeout);
|
|
add_assoc_zval(retval, "timeout", &val);
|
|
|
|
ZVAL_LONG(&val, snmp_object->session->retries);
|
|
add_assoc_zval(retval, "retries", &val);
|
|
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ */
|
|
static int php_snmp_read_max_oids(php_snmp_object *snmp_object, zval *retval)
|
|
{
|
|
if (snmp_object->max_oids > 0) {
|
|
ZVAL_LONG(retval, snmp_object->max_oids);
|
|
} else {
|
|
ZVAL_NULL(retval);
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
#define PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(name) \
|
|
static int php_snmp_read_##name(php_snmp_object *snmp_object, zval *retval) \
|
|
{ \
|
|
ZVAL_BOOL(retval, snmp_object->name); \
|
|
return SUCCESS; \
|
|
}
|
|
|
|
PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(oid_increasing_check)
|
|
PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(quick_print)
|
|
PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(enum_print)
|
|
|
|
#define PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(name) \
|
|
static int php_snmp_read_##name(php_snmp_object *snmp_object, zval *retval) \
|
|
{ \
|
|
ZVAL_LONG(retval, snmp_object->name); \
|
|
return SUCCESS; \
|
|
}
|
|
|
|
PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(valueretrieval)
|
|
PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(oid_output_format)
|
|
PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(exceptions_enabled)
|
|
|
|
/* {{{ */
|
|
static int php_snmp_write_info(php_snmp_object *snmp_object, zval *newval)
|
|
{
|
|
php_error_docref(NULL, E_WARNING, "info property is read-only");
|
|
return FAILURE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ */
|
|
static int php_snmp_write_max_oids(php_snmp_object *snmp_object, zval *newval)
|
|
{
|
|
zval ztmp;
|
|
int ret = SUCCESS;
|
|
|
|
if (Z_TYPE_P(newval) == IS_NULL) {
|
|
snmp_object->max_oids = 0;
|
|
return ret;
|
|
}
|
|
|
|
if (Z_TYPE_P(newval) != IS_LONG) {
|
|
ztmp = *newval;
|
|
zval_copy_ctor(&ztmp);
|
|
convert_to_long(&ztmp);
|
|
newval = &ztmp;
|
|
}
|
|
|
|
if (Z_LVAL_P(newval) > 0) {
|
|
snmp_object->max_oids = Z_LVAL_P(newval);
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "max_oids should be positive integer or NULL, got %pd", Z_LVAL_P(newval));
|
|
}
|
|
|
|
if (newval == &ztmp) {
|
|
zval_dtor(newval);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ */
|
|
static int php_snmp_write_valueretrieval(php_snmp_object *snmp_object, zval *newval)
|
|
{
|
|
zval ztmp;
|
|
int ret = SUCCESS;
|
|
|
|
if (Z_TYPE_P(newval) != IS_LONG) {
|
|
ztmp = *newval;
|
|
zval_copy_ctor(&ztmp);
|
|
convert_to_long(&ztmp);
|
|
newval = &ztmp;
|
|
}
|
|
|
|
if (Z_LVAL_P(newval) >= 0 && Z_LVAL_P(newval) <= (SNMP_VALUE_LIBRARY|SNMP_VALUE_PLAIN|SNMP_VALUE_OBJECT)) {
|
|
snmp_object->valueretrieval = Z_LVAL_P(newval);
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "Unknown SNMP value retrieval method '%pd'", Z_LVAL_P(newval));
|
|
ret = FAILURE;
|
|
}
|
|
|
|
if (newval == &ztmp) {
|
|
zval_dtor(newval);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/* }}} */
|
|
|
|
#define PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(name) \
|
|
static int php_snmp_write_##name(php_snmp_object *snmp_object, zval *newval) \
|
|
{ \
|
|
zval ztmp; \
|
|
ZVAL_COPY(&ztmp, newval); \
|
|
convert_to_boolean(&ztmp); \
|
|
newval = &ztmp; \
|
|
\
|
|
snmp_object->name = Z_TYPE_P(newval) == IS_TRUE? 1 : 0; \
|
|
\
|
|
return SUCCESS; \
|
|
}
|
|
|
|
PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(quick_print)
|
|
PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(enum_print)
|
|
PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(oid_increasing_check)
|
|
|
|
/* {{{ */
|
|
static int php_snmp_write_oid_output_format(php_snmp_object *snmp_object, zval *newval)
|
|
{
|
|
zval ztmp;
|
|
int ret = SUCCESS;
|
|
if (Z_TYPE_P(newval) != IS_LONG) {
|
|
ZVAL_COPY(&ztmp, newval);
|
|
convert_to_long(&ztmp);
|
|
newval = &ztmp;
|
|
}
|
|
|
|
switch(Z_LVAL_P(newval)) {
|
|
case NETSNMP_OID_OUTPUT_SUFFIX:
|
|
case NETSNMP_OID_OUTPUT_MODULE:
|
|
case NETSNMP_OID_OUTPUT_FULL:
|
|
case NETSNMP_OID_OUTPUT_NUMERIC:
|
|
case NETSNMP_OID_OUTPUT_UCD:
|
|
case NETSNMP_OID_OUTPUT_NONE:
|
|
snmp_object->oid_output_format = Z_LVAL_P(newval);
|
|
break;
|
|
default:
|
|
php_error_docref(NULL, E_WARNING, "Unknown SNMP output print format '%pd'", Z_LVAL_P(newval));
|
|
ret = FAILURE;
|
|
break;
|
|
}
|
|
|
|
if (newval == &ztmp) {
|
|
zval_ptr_dtor(newval);
|
|
}
|
|
return ret;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ */
|
|
static int php_snmp_write_exceptions_enabled(php_snmp_object *snmp_object, zval *newval)
|
|
{
|
|
zval ztmp;
|
|
int ret = SUCCESS;
|
|
if (Z_TYPE_P(newval) != IS_LONG) {
|
|
ZVAL_COPY(&ztmp, newval);
|
|
convert_to_long(&ztmp);
|
|
newval = &ztmp;
|
|
}
|
|
|
|
snmp_object->exceptions_enabled = Z_LVAL_P(newval);
|
|
|
|
if (newval == &ztmp) {
|
|
zval_ptr_dtor(newval);
|
|
}
|
|
return ret;
|
|
}
|
|
/* }}} */
|
|
|
|
static void free_php_snmp_properties(zval *el) /* {{{ */
|
|
{
|
|
pefree(Z_PTR_P(el), 1);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_snmp_class_methods[] */
|
|
static zend_function_entry php_snmp_class_methods[] = {
|
|
PHP_ME(snmp, __construct, arginfo_snmp_create, ZEND_ACC_PUBLIC)
|
|
PHP_ME(snmp, close, arginfo_snmp_void, ZEND_ACC_PUBLIC)
|
|
PHP_ME(snmp, setSecurity, arginfo_snmp_setSecurity, ZEND_ACC_PUBLIC)
|
|
|
|
PHP_ME(snmp, get, arginfo_snmp_get, ZEND_ACC_PUBLIC)
|
|
PHP_ME(snmp, getnext, arginfo_snmp_get, ZEND_ACC_PUBLIC)
|
|
PHP_ME(snmp, walk, arginfo_snmp_walk, ZEND_ACC_PUBLIC)
|
|
PHP_ME(snmp, set, arginfo_snmp_set, ZEND_ACC_PUBLIC)
|
|
PHP_ME(snmp, getErrno, arginfo_snmp_void, ZEND_ACC_PUBLIC)
|
|
PHP_ME(snmp, getError, arginfo_snmp_void, ZEND_ACC_PUBLIC)
|
|
|
|
PHP_FE_END
|
|
};
|
|
|
|
#define PHP_SNMP_PROPERTY_ENTRY_RECORD(name) \
|
|
{ "" #name "", sizeof("" #name "") - 1, php_snmp_read_##name, php_snmp_write_##name }
|
|
|
|
const php_snmp_prop_handler php_snmp_property_entries[] = {
|
|
PHP_SNMP_PROPERTY_ENTRY_RECORD(info),
|
|
PHP_SNMP_PROPERTY_ENTRY_RECORD(max_oids),
|
|
PHP_SNMP_PROPERTY_ENTRY_RECORD(valueretrieval),
|
|
PHP_SNMP_PROPERTY_ENTRY_RECORD(quick_print),
|
|
PHP_SNMP_PROPERTY_ENTRY_RECORD(enum_print),
|
|
PHP_SNMP_PROPERTY_ENTRY_RECORD(oid_output_format),
|
|
PHP_SNMP_PROPERTY_ENTRY_RECORD(oid_increasing_check),
|
|
PHP_SNMP_PROPERTY_ENTRY_RECORD(exceptions_enabled),
|
|
{ NULL, 0, NULL, NULL}
|
|
};
|
|
/* }}} */
|
|
|
|
/* {{{ PHP_MINIT_FUNCTION
|
|
*/
|
|
PHP_MINIT_FUNCTION(snmp)
|
|
{
|
|
netsnmp_log_handler *logh;
|
|
zend_class_entry ce, cex;
|
|
|
|
le_snmp_session = zend_register_list_destructors_ex(php_snmp_session_destructor, NULL, PHP_SNMP_SESSION_RES_NAME, module_number);
|
|
|
|
init_snmp("snmpapp");
|
|
|
|
#ifdef NETSNMP_DS_LIB_DONT_PERSIST_STATE
|
|
/* Prevent update of the snmpapp.conf file */
|
|
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_PERSIST_STATE, 1);
|
|
#endif
|
|
|
|
/* Disable logging, use exit status'es and related variabled to detect errors */
|
|
shutdown_snmp_logging();
|
|
logh = netsnmp_register_loghandler(NETSNMP_LOGHANDLER_NONE, LOG_ERR);
|
|
if (logh) {
|
|
logh->pri_max = LOG_ERR;
|
|
}
|
|
|
|
memcpy(&php_snmp_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
|
|
php_snmp_object_handlers.read_property = php_snmp_read_property;
|
|
php_snmp_object_handlers.write_property = php_snmp_write_property;
|
|
php_snmp_object_handlers.has_property = php_snmp_has_property;
|
|
php_snmp_object_handlers.get_properties = php_snmp_get_properties;
|
|
|
|
/* Register SNMP Class */
|
|
INIT_CLASS_ENTRY(ce, "SNMP", php_snmp_class_methods);
|
|
ce.create_object = php_snmp_object_new;
|
|
php_snmp_object_handlers.offset = XtOffsetOf(php_snmp_object, zo);
|
|
php_snmp_object_handlers.clone_obj = NULL;
|
|
php_snmp_object_handlers.free_obj = php_snmp_object_free_storage;
|
|
php_snmp_ce = zend_register_internal_class(&ce);
|
|
|
|
/* Register SNMP Class properties */
|
|
zend_hash_init(&php_snmp_properties, 0, NULL, free_php_snmp_properties, 1);
|
|
PHP_SNMP_ADD_PROPERTIES(&php_snmp_properties, php_snmp_property_entries);
|
|
|
|
REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_SUFFIX", NETSNMP_OID_OUTPUT_SUFFIX, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_MODULE", NETSNMP_OID_OUTPUT_MODULE, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_FULL", NETSNMP_OID_OUTPUT_FULL, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_NUMERIC", NETSNMP_OID_OUTPUT_NUMERIC, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_UCD", NETSNMP_OID_OUTPUT_UCD, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_NONE", NETSNMP_OID_OUTPUT_NONE, CONST_CS | CONST_PERSISTENT);
|
|
|
|
REGISTER_LONG_CONSTANT("SNMP_VALUE_LIBRARY", SNMP_VALUE_LIBRARY, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_VALUE_PLAIN", SNMP_VALUE_PLAIN, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_VALUE_OBJECT", SNMP_VALUE_OBJECT, CONST_CS | CONST_PERSISTENT);
|
|
|
|
REGISTER_LONG_CONSTANT("SNMP_BIT_STR", ASN_BIT_STR, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_OCTET_STR", ASN_OCTET_STR, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_OPAQUE", ASN_OPAQUE, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_NULL", ASN_NULL, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_OBJECT_ID", ASN_OBJECT_ID, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_IPADDRESS", ASN_IPADDRESS, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_COUNTER", ASN_GAUGE, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_UNSIGNED", ASN_UNSIGNED, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_TIMETICKS", ASN_TIMETICKS, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_UINTEGER", ASN_UINTEGER, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_INTEGER", ASN_INTEGER, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_LONG_CONSTANT("SNMP_COUNTER64", ASN_COUNTER64, CONST_CS | CONST_PERSISTENT);
|
|
|
|
REGISTER_SNMP_CLASS_CONST_LONG("VERSION_1", SNMP_VERSION_1);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("VERSION_2c", SNMP_VERSION_2c);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("VERSION_2C", SNMP_VERSION_2c);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("VERSION_3", SNMP_VERSION_3);
|
|
|
|
REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_NOERROR", PHP_SNMP_ERRNO_NOERROR);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_ANY", PHP_SNMP_ERRNO_ANY);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_GENERIC", PHP_SNMP_ERRNO_GENERIC);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_TIMEOUT", PHP_SNMP_ERRNO_TIMEOUT);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_ERROR_IN_REPLY", PHP_SNMP_ERRNO_ERROR_IN_REPLY);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_OID_NOT_INCREASING", PHP_SNMP_ERRNO_OID_NOT_INCREASING);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_OID_PARSING_ERROR", PHP_SNMP_ERRNO_OID_PARSING_ERROR);
|
|
REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_MULTIPLE_SET_QUERIES", PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES);
|
|
|
|
/* Register SNMPException class */
|
|
INIT_CLASS_ENTRY(cex, "SNMPException", NULL);
|
|
#ifdef HAVE_SPL
|
|
php_snmp_exception_ce = zend_register_internal_class_ex(&cex, spl_ce_RuntimeException);
|
|
#else
|
|
php_snmp_exception_ce = zend_register_internal_class_ex(&cex, zend_exception_get_default());
|
|
#endif
|
|
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ PHP_MSHUTDOWN_FUNCTION
|
|
*/
|
|
PHP_MSHUTDOWN_FUNCTION(snmp)
|
|
{
|
|
snmp_shutdown("snmpapp");
|
|
|
|
zend_hash_destroy(&php_snmp_properties);
|
|
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ PHP_MINFO_FUNCTION
|
|
*/
|
|
PHP_MINFO_FUNCTION(snmp)
|
|
{
|
|
php_info_print_table_start();
|
|
php_info_print_table_row(2, "NET-SNMP Support", "enabled");
|
|
php_info_print_table_row(2, "NET-SNMP Version", netsnmp_get_version());
|
|
php_info_print_table_row(2, "PHP SNMP Version", PHP_SNMP_VERSION);
|
|
php_info_print_table_end();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ snmp_module_deps[]
|
|
*/
|
|
#if ZEND_MODULE_API_NO >= 20050922
|
|
static const zend_module_dep snmp_module_deps[] = {
|
|
#ifdef HAVE_SPL
|
|
ZEND_MOD_REQUIRED("spl")
|
|
#endif
|
|
ZEND_MOD_END
|
|
};
|
|
#endif
|
|
/* }}} */
|
|
|
|
/* {{{ snmp_module_entry
|
|
*/
|
|
zend_module_entry snmp_module_entry = {
|
|
#if ZEND_MODULE_API_NO >= 20050922
|
|
STANDARD_MODULE_HEADER_EX,
|
|
NULL,
|
|
snmp_module_deps,
|
|
#else
|
|
STANDARD_MODULE_HEADER,
|
|
#endif
|
|
"snmp",
|
|
snmp_functions,
|
|
PHP_MINIT(snmp),
|
|
PHP_MSHUTDOWN(snmp),
|
|
NULL,
|
|
NULL,
|
|
PHP_MINFO(snmp),
|
|
PHP_SNMP_VERSION,
|
|
PHP_MODULE_GLOBALS(snmp),
|
|
PHP_GINIT(snmp),
|
|
NULL,
|
|
NULL,
|
|
STANDARD_MODULE_PROPERTIES_EX
|
|
};
|
|
/* }}} */
|
|
|
|
#endif
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|