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php-src/ext/snmp/snmp.c
Xinchen Hui 0579e8278d bump year
2015-01-15 23:26:37 +08:00

2537 lines
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Rasmus Lerdorf <rasmus@php.net> |
| Mike Jackson <mhjack@tscnet.com> |
| Steven Lawrance <slawrance@technologist.com> |
| Harrie Hazewinkel <harrie@lisanza.net> |
| Johann Hanne <jonny@nurfuerspam.de> |
| Boris Lytockin <lytboris@gmail.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "main/php_network.h"
#include "ext/standard/info.h"
#include "php_snmp.h"
#include "zend_exceptions.h"
#if HAVE_SPL
#include "ext/spl/spl_exceptions.h"
#endif
#if HAVE_SNMP
#include <sys/types.h>
#ifdef PHP_WIN32
#include <winsock2.h>
#include <errno.h>
#include <process.h>
#include "win32/time.h"
#elif defined(NETWARE)
#ifdef USE_WINSOCK
#include <novsock2.h>
#else
#include <sys/socket.h>
#endif
#include <errno.h>
#include <sys/timeval.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#ifndef _OSD_POSIX
#include <sys/errno.h>
#else
#include <errno.h> /* BS2000/OSD uses <errno.h>, not <sys/errno.h> */
#endif
#include <netdb.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef __P
#ifdef __GNUC__
#define __P(args) args
#else
#define __P(args) ()
#endif
#endif
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
/* For net-snmp prior to 5.4 */
#ifndef HAVE_SHUTDOWN_SNMP_LOGGING
extern netsnmp_log_handler *logh_head;
#define shutdown_snmp_logging() \
{ \
snmp_disable_log(); \
while(NULL != logh_head) \
netsnmp_remove_loghandler( logh_head ); \
}
#endif
#define SNMP_VALUE_LIBRARY (0 << 0)
#define SNMP_VALUE_PLAIN (1 << 0)
#define SNMP_VALUE_OBJECT (1 << 1)
typedef struct snmp_session php_snmp_session;
#define PHP_SNMP_SESSION_RES_NAME "SNMP session"
#define PHP_SNMP_ADD_PROPERTIES(a, b) \
{ \
int i = 0; \
while (b[i].name != NULL) { \
php_snmp_add_property((a), (b)[i].name, (b)[i].name_length, \
(php_snmp_read_t)(b)[i].read_func, (php_snmp_write_t)(b)[i].write_func TSRMLS_CC); \
i++; \
} \
}
#define PHP_SNMP_ERRNO_NOERROR 0
#define PHP_SNMP_ERRNO_GENERIC (1 << 1)
#define PHP_SNMP_ERRNO_TIMEOUT (1 << 2)
#define PHP_SNMP_ERRNO_ERROR_IN_REPLY (1 << 3)
#define PHP_SNMP_ERRNO_OID_NOT_INCREASING (1 << 4)
#define PHP_SNMP_ERRNO_OID_PARSING_ERROR (1 << 5)
#define PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES (1 << 6)
#define PHP_SNMP_ERRNO_ANY ( \
PHP_SNMP_ERRNO_GENERIC | \
PHP_SNMP_ERRNO_TIMEOUT | \
PHP_SNMP_ERRNO_ERROR_IN_REPLY | \
PHP_SNMP_ERRNO_OID_NOT_INCREASING | \
PHP_SNMP_ERRNO_OID_PARSING_ERROR | \
PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES | \
PHP_SNMP_ERRNO_NOERROR \
)
ZEND_DECLARE_MODULE_GLOBALS(snmp)
static PHP_GINIT_FUNCTION(snmp);
/* constant - can be shared among threads */
static oid objid_mib[] = {1, 3, 6, 1, 2, 1};
static int le_snmp_session;
/* Handlers */
static zend_object_handlers php_snmp_object_handlers;
/* Class entries */
zend_class_entry *php_snmp_ce;
zend_class_entry *php_snmp_exception_ce;
/* Class object properties */
static HashTable php_snmp_properties;
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpget, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpgetnext, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpwalk, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmprealwalk, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpset, 0, 0, 5)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(0, value)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_get_quick_print, 0, 0, 1)
ZEND_ARG_INFO(0, d)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_quick_print, 0, 0, 1)
ZEND_ARG_INFO(0, quick_print)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_enum_print, 0, 0, 1)
ZEND_ARG_INFO(0, enum_print)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_oid_output_format, 0, 0, 1)
ZEND_ARG_INFO(0, oid_format)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_get, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_getnext, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_walk, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_real_walk, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_set, 0, 0, 5)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(0, value)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_get, 0, 0, 8)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, sec_name)
ZEND_ARG_INFO(0, sec_level)
ZEND_ARG_INFO(0, auth_protocol)
ZEND_ARG_INFO(0, auth_passphrase)
ZEND_ARG_INFO(0, priv_protocol)
ZEND_ARG_INFO(0, priv_passphrase)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_getnext, 0, 0, 8)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, sec_name)
ZEND_ARG_INFO(0, sec_level)
ZEND_ARG_INFO(0, auth_protocol)
ZEND_ARG_INFO(0, auth_passphrase)
ZEND_ARG_INFO(0, priv_protocol)
ZEND_ARG_INFO(0, priv_passphrase)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_walk, 0, 0, 8)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, sec_name)
ZEND_ARG_INFO(0, sec_level)
ZEND_ARG_INFO(0, auth_protocol)
ZEND_ARG_INFO(0, auth_passphrase)
ZEND_ARG_INFO(0, priv_protocol)
ZEND_ARG_INFO(0, priv_passphrase)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_real_walk, 0, 0, 8)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, sec_name)
ZEND_ARG_INFO(0, sec_level)
ZEND_ARG_INFO(0, auth_protocol)
ZEND_ARG_INFO(0, auth_passphrase)
ZEND_ARG_INFO(0, priv_protocol)
ZEND_ARG_INFO(0, priv_passphrase)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_set, 0, 0, 10)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, sec_name)
ZEND_ARG_INFO(0, sec_level)
ZEND_ARG_INFO(0, auth_protocol)
ZEND_ARG_INFO(0, auth_passphrase)
ZEND_ARG_INFO(0, priv_protocol)
ZEND_ARG_INFO(0, priv_passphrase)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(0, value)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_valueretrieval, 0, 0, 1)
ZEND_ARG_INFO(0, method)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_snmp_get_valueretrieval, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_read_mib, 0, 0, 1)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
/* OO arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_create, 0, 0, 3)
ZEND_ARG_INFO(0, version)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, timeout)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_snmp_void, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_setSecurity, 0, 0, 8)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, sec_level)
ZEND_ARG_INFO(0, auth_protocol)
ZEND_ARG_INFO(0, auth_passphrase)
ZEND_ARG_INFO(0, priv_protocol)
ZEND_ARG_INFO(0, priv_passphrase)
ZEND_ARG_INFO(0, contextName)
ZEND_ARG_INFO(0, contextEngineID)
ZEND_ARG_INFO(0, )
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_get, 0, 0, 1)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, use_orignames)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_walk, 0, 0, 4)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, suffix_keys)
ZEND_ARG_INFO(0, max_repetitions)
ZEND_ARG_INFO(0, non_repeaters)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set, 0, 0, 3)
ZEND_ARG_INFO(0, object_id)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_class_set_quick_print, 0, 0, 1)
ZEND_ARG_INFO(0, quick_print)
ZEND_END_ARG_INFO()
/* }}} */
struct objid_query {
int count;
int offset;
int step;
long non_repeaters;
long max_repetitions;
int valueretrieval;
int array_output;
int oid_increasing_check;
snmpobjarg *vars;
};
/* {{{ snmp_functions[]
*/
const zend_function_entry snmp_functions[] = {
PHP_FE(snmpget, arginfo_snmpget)
PHP_FE(snmpgetnext, arginfo_snmpgetnext)
PHP_FE(snmpwalk, arginfo_snmpwalk)
PHP_FE(snmprealwalk, arginfo_snmprealwalk)
PHP_FALIAS(snmpwalkoid, snmprealwalk, arginfo_snmprealwalk)
PHP_FE(snmpset, arginfo_snmpset)
PHP_FE(snmp_get_quick_print, arginfo_snmp_get_quick_print)
PHP_FE(snmp_set_quick_print, arginfo_snmp_set_quick_print)
PHP_FE(snmp_set_enum_print, arginfo_snmp_set_enum_print)
PHP_FE(snmp_set_oid_output_format, arginfo_snmp_set_oid_output_format)
PHP_FALIAS(snmp_set_oid_numeric_print, snmp_set_oid_output_format, arginfo_snmp_set_oid_output_format)
PHP_FE(snmp2_get, arginfo_snmp2_get)
PHP_FE(snmp2_getnext, arginfo_snmp2_getnext)
PHP_FE(snmp2_walk, arginfo_snmp2_walk)
PHP_FE(snmp2_real_walk, arginfo_snmp2_real_walk)
PHP_FE(snmp2_set, arginfo_snmp2_set)
PHP_FE(snmp3_get, arginfo_snmp3_get)
PHP_FE(snmp3_getnext, arginfo_snmp3_getnext)
PHP_FE(snmp3_walk, arginfo_snmp3_walk)
PHP_FE(snmp3_real_walk, arginfo_snmp3_real_walk)
PHP_FE(snmp3_set, arginfo_snmp3_set)
PHP_FE(snmp_set_valueretrieval, arginfo_snmp_set_valueretrieval)
PHP_FE(snmp_get_valueretrieval, arginfo_snmp_get_valueretrieval)
PHP_FE(snmp_read_mib, arginfo_snmp_read_mib)
PHP_FE_END
};
/* }}} */
/* 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 */
#define SNMP_CMD_SET (1<<2)
/* walk the mib */
#define SNMP_CMD_WALK (1<<3)
/* force values-only output */
#define SNMP_NUMERIC_KEYS (1<<7)
/* use user-supplied OID names for keys in array output mode in GET method */
#define SNMP_ORIGINAL_NAMES_AS_KEYS (1<<8)
/* 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_rsrc_list_entry *rsrc TSRMLS_DC)
{
php_snmp_session *session = (php_snmp_session *)rsrc->ptr;
netsnmp_session_free(&session);
}
static void php_snmp_object_free_storage(void *object TSRMLS_DC)
{
php_snmp_object *intern = (php_snmp_object *)object;
if (!intern) {
return;
}
netsnmp_session_free(&(intern->session));
zend_object_std_dtor(&intern->zo TSRMLS_CC);
efree(intern);
}
static zend_object_value php_snmp_object_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
{
zend_object_value retval;
php_snmp_object *intern;
/* Allocate memory for it */
intern = emalloc(sizeof(php_snmp_object));
memset(&intern->zo, 0, sizeof(php_snmp_object));
zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
object_properties_init(&intern->zo, class_type);
retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, (zend_objects_free_object_storage_t) php_snmp_object_free_storage, NULL TSRMLS_CC);
retval.handlers = (zend_object_handlers *) &php_snmp_object_handlers;
return retval;
}
/* {{{ php_snmp_error
*
* Record last SNMP-related error in object
*
*/
static void php_snmp_error(zval *object, const char *docref TSRMLS_DC, int type, const char *format, ...)
{
va_list args;
php_snmp_object *snmp_object = NULL;
if (object) {
snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
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 TSRMLS_CC, snmp_object->snmp_errstr);
} else {
va_start(args, format);
php_verror(docref, "", E_WARNING, format, args TSRMLS_CC);
va_end(args);
}
}
/* }}} */
/* {{{ php_snmp_getvalue
*
* SNMP value to zval converter
*
*/
static void php_snmp_getvalue(struct variable_list *vars, zval *snmpval TSRMLS_DC, 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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, E_WARNING, "emalloc() failed: %s, fallback to static buffer", strerror(errno));
}
}
MAKE_STD_ZVAL(val);
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, 1);
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, 1);
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, 1);
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, 1);
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, 1);
break;
case ASN_INTEGER: /* 0x02, asn1.h */
snprintf(buf, buflen, "%ld", *vars->val.integer);
buf[buflen]=0;
ZVAL_STRING(val, buf, 1);
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, 1);
break;
case ASN_OPAQUE_DOUBLE: /* 0x79, asn1.h */
snprintf(buf, buflen, "%Lf", *vars->val.doubleVal);
ZVAL_STRING(val, buf, 1);
break;
case ASN_OPAQUE_I64: /* 0x80, asn1.h */
printI64(buf, vars->val.counter64);
ZVAL_STRING(val, buf, 1);
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, 1);
break;
default:
ZVAL_STRING(val, "Unknown value type", 1);
php_error_docref(NULL TSRMLS_CC, 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, 1);
}
if (valueretrieval & SNMP_VALUE_OBJECT) {
object_init(snmpval);
add_property_long(snmpval, "type", vars->type);
add_property_zval(snmpval, "value", val);
} else {
*snmpval = *val;
zval_copy_ctor(snmpval);
}
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 = NULL;
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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Could not add variable: OID='%s' type='%c' value='%s': %s", buf, objid_query->vars[objid_query->offset].type, objid_query->vars[objid_query->offset].value, snmp_api_errstring(snmp_errno));
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 TSRMLS_CC, 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;
}
MAKE_STD_ZVAL(snmpval);
php_snmp_getvalue(vars, snmpval TSRMLS_CC, objid_query->valueretrieval);
if (objid_query->array_output) {
if (Z_TYPE_P(return_value) == IS_BOOL) {
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 TSRMLS_CC, 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 {
*return_value = *snmpval;
zval_copy_ctor(return_value);
zval_ptr_dtor(&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 TSRMLS_CC, 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_BOOL) {
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 TSRMLS_CC, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at '%s': %s", buf, snmp_errstring(response->errstat));
} else {
php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at %u object_id: %s", response->errindex, snmp_errstring(response->errstat));
}
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_dtor(return_value);
}
RETVAL_FALSE;
return;
}
}
} else if (status == STAT_TIMEOUT) {
php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_TIMEOUT, "No response from %s", session->peername);
if (objid_query->array_output) {
zval_dtor(return_value);
}
snmp_close(ss);
RETVAL_FALSE;
return;
} else { /* status == STAT_ERROR */
snmp_error(ss, NULL, NULL, &err);
php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_GENERIC, "Fatal error: %s", err);
free(err);
if (objid_query->array_output) {
zval_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 TSRMLS_DC)
{
char *pptr;
HashPosition pos_oid, pos_type, pos_value;
zval **tmp_oid, **tmp_type, **tmp_value;
if (Z_TYPE_PP(oid) != IS_ARRAY) {
if (Z_ISREF_PP(oid)) {
SEPARATE_ZVAL(oid);
}
convert_to_string_ex(oid);
} else if (Z_TYPE_PP(oid) == IS_ARRAY) {
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(oid), &pos_oid);
}
if (st & SNMP_CMD_SET) {
if (Z_TYPE_PP(type) != IS_ARRAY) {
if (Z_ISREF_PP(type)) {
SEPARATE_ZVAL(type);
}
convert_to_string_ex(type);
} else if (Z_TYPE_PP(type) == IS_ARRAY) {
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(type), &pos_type);
}
if (Z_TYPE_PP(value) != IS_ARRAY) {
if (Z_ISREF_PP(value)) {
SEPARATE_ZVAL(value);
}
convert_to_string_ex(value);
} else if (Z_TYPE_PP(value) == IS_ARRAY) {
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(value), &pos_value);
}
}
objid_query->count = 0;
objid_query->array_output = ((st & SNMP_CMD_WALK) ? TRUE : FALSE);
if (Z_TYPE_PP(oid) == IS_STRING) {
objid_query->vars = (snmpobjarg *)emalloc(sizeof(snmpobjarg));
if (objid_query->vars == NULL) {
php_error_docref(NULL TSRMLS_CC, 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_PP(oid);
if (st & SNMP_CMD_SET) {
if (Z_TYPE_PP(type) == IS_STRING && Z_TYPE_PP(value) == IS_STRING) {
if (Z_STRLEN_PP(type) != 1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bogus type '%s', should be single char, got %u", Z_STRVAL_PP(type), Z_STRLEN_PP(type));
efree(objid_query->vars);
return FALSE;
}
pptr = Z_STRVAL_PP(type);
objid_query->vars[objid_query->count].type = *pptr;
objid_query->vars[objid_query->count].value = Z_STRVAL_PP(value);
} else {
php_error_docref(NULL TSRMLS_CC, 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_PP(oid) == IS_ARRAY) { /* we got objid array */
if (zend_hash_num_elements(Z_ARRVAL_PP(oid)) == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Got empty OID array");
return FALSE;
}
objid_query->vars = (snmpobjarg *)emalloc(sizeof(snmpobjarg) * zend_hash_num_elements(Z_ARRVAL_PP(oid)));
if (objid_query->vars == NULL) {
php_error_docref(NULL TSRMLS_CC, 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_PP(oid), &pos_oid);
zend_hash_get_current_data_ex(Z_ARRVAL_PP(oid), (void **) &tmp_oid, &pos_oid) == SUCCESS;
zend_hash_move_forward_ex(Z_ARRVAL_PP(oid), &pos_oid) ) {
convert_to_string_ex(tmp_oid);
objid_query->vars[objid_query->count].oid = Z_STRVAL_PP(tmp_oid);
if (st & SNMP_CMD_SET) {
if (Z_TYPE_PP(type) == IS_STRING) {
pptr = Z_STRVAL_PP(type);
objid_query->vars[objid_query->count].type = *pptr;
} else if (Z_TYPE_PP(type) == IS_ARRAY) {
if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(type), (void **) &tmp_type, &pos_type)) {
convert_to_string_ex(tmp_type);
if (Z_STRLEN_PP(tmp_type) != 1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': bogus type '%s', should be single char, got %u", Z_STRVAL_PP(tmp_oid), Z_STRVAL_PP(tmp_type), Z_STRLEN_PP(tmp_type));
efree(objid_query->vars);
return FALSE;
}
pptr = Z_STRVAL_PP(tmp_type);
objid_query->vars[objid_query->count].type = *pptr;
zend_hash_move_forward_ex(Z_ARRVAL_PP(type), &pos_type);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': no type set", Z_STRVAL_PP(tmp_oid));
efree(objid_query->vars);
return FALSE;
}
}
if (Z_TYPE_PP(value) == IS_STRING) {
objid_query->vars[objid_query->count].value = Z_STRVAL_PP(value);
} else if (Z_TYPE_PP(value) == IS_ARRAY) {
if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(value), (void **) &tmp_value, &pos_value)) {
convert_to_string_ex(tmp_value);
objid_query->vars[objid_query->count].value = Z_STRVAL_PP(tmp_value);
zend_hash_move_forward_ex(Z_ARRVAL_PP(value), &pos_value);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': no value set", Z_STRVAL_PP(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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_DC)
{
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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC)) == 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 TSRMLS_CC, 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 TSRMLS_DC)
{
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 TSRMLS_CC, 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 TSRMLS_DC)
{
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 TSRMLS_CC, 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 TSRMLS_DC)
{
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 TSRMLS_CC, 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 TSRMLS_DC)
{
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 TSRMLS_CC, 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 TSRMLS_DC)
{
size_t ebuf_len = 32, eout_len = 0;
u_char *ebuf = (u_char *) emalloc(ebuf_len);
if (ebuf == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "malloc failure setting contextEngineID");
return (-1);
}
if (!snmp_hex_to_binary(&ebuf, &ebuf_len, &eout_len, 1, contextEngineID)) {
php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_DC)
{
/* Setting the security level. */
if (netsnmp_session_set_sec_level(session, sec_level)) {
php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC)) {
/* Warning message sent already, just bail out */
return (-1);
}
/* Setting the authentication passphrase. */
if (netsnmp_session_gen_auth_key(session, auth_passphrase TSRMLS_CC)) {
/* 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 TSRMLS_CC)) {
/* Warning message sent already, just bail out */
return (-1);
}
/* Setting the security protocol passphrase. */
if (netsnmp_session_gen_sec_key(session, priv_passphrase TSRMLS_CC)) {
/* 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 TSRMLS_CC)) {
/* 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;
int a1_len, a2_len, a3_len, a4_len, a5_len, a6_len, a7_len;
zend_bool use_orignames = 0, suffix_keys = 0;
long timeout = SNMP_DEFAULT_TIMEOUT;
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 TSRMLS_CC, "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 TSRMLS_CC, "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 TSRMLS_CC, "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 TSRMLS_CC, "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 TSRMLS_CC, "ZZZ", &oid, &type, &value) == FAILURE) {
RETURN_FALSE;
}
} else if (st & SNMP_CMD_WALK) {
if (zend_parse_parameters(argc TSRMLS_CC, "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 TSRMLS_CC, "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 TSRMLS_CC, "Z", &oid) == FAILURE) {
RETURN_FALSE;
}
}
}
if (!php_snmp_parse_oid(getThis(), st, &objid_query, oid, type, value TSRMLS_CC)) {
RETURN_FALSE;
}
if (session_less_mode) {
if (netsnmp_session_init(&session, version, a1, a2, timeout, retries TSRMLS_CC)) {
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 TSRMLS_CC)) {
efree(objid_query.vars);
netsnmp_session_free(&session);
/* Warning message sent already, just bail out */
RETURN_FALSE;
}
} else {
zval *object = getThis();
snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
session = snmp_object->session;
if (!session) {
php_error_docref(NULL TSRMLS_CC, 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)
{
long a1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "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)
{
long a1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "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)
{
long a1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "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 TSRMLS_CC, 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)
{
long method;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "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 TSRMLS_CC, E_WARNING, "Unknown SNMP value retrieval method '%ld'", 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;
int filename_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
RETURN_FALSE;
}
if (!read_mib(filename)) {
char *error = strerror(errno);
php_error_docref(NULL TSRMLS_CC, 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;
int a1_len, a2_len;
long timeout = SNMP_DEFAULT_TIMEOUT;
long retries = SNMP_DEFAULT_RETRIES;
long version = SNMP_DEFAULT_VERSION;
int argc = ZEND_NUM_ARGS();
zend_error_handling error_handling;
snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
zend_replace_error_handling(EH_THROW, NULL, &error_handling TSRMLS_CC);
if (zend_parse_parameters(argc TSRMLS_CC, "lss|ll", &version, &a1, &a1_len, &a2, &a2_len, &timeout, &retries) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
switch(version) {
case SNMP_VERSION_1:
case SNMP_VERSION_2c:
case SNMP_VERSION_3:
break;
default:
zend_throw_exception(zend_exception_get_default(TSRMLS_C), "Unknown SNMP protocol version", 0 TSRMLS_CC);
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 TSRMLS_CC)) {
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 = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
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 = "";
int 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 = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
if (zend_parse_parameters(argc TSRMLS_CC, "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 TSRMLS_CC)) {
/* 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 = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
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 = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
RETVAL_STRING(snmp_object->snmp_errstr, 1);
return;
}
/* }}} */
/* {{{ */
void php_snmp_add_property(HashTable *h, const char *name, size_t name_length, php_snmp_read_t read_func, php_snmp_write_t write_func TSRMLS_DC)
{
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_add(h, (char *)name, name_length + 1, &p, sizeof(php_snmp_prop_handler), NULL);
}
/* }}} */
/* {{{ 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, const zend_literal *key TSRMLS_DC)
{
zval tmp_member;
zval *retval;
php_snmp_object *obj;
php_snmp_prop_handler *hnd;
int ret;
ret = FAILURE;
obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC);
if (Z_TYPE_P(member) != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
ret = zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
if (ret == SUCCESS && hnd->read_func) {
ret = hnd->read_func(obj, &retval TSRMLS_CC);
if (ret == SUCCESS) {
/* ensure we're creating a temporary variable */
Z_SET_REFCOUNT_P(retval, 0);
} else {
retval = EG(uninitialized_zval_ptr);
}
} else {
zend_object_handlers * std_hnd = zend_get_std_object_handlers();
retval = std_hnd->read_property(object, member, type, key TSRMLS_CC);
}
if (member == &tmp_member) {
zval_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, const zend_literal *key TSRMLS_DC)
{
zval tmp_member;
php_snmp_object *obj;
php_snmp_prop_handler *hnd;
int ret;
if (Z_TYPE_P(member) != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
ret = FAILURE;
obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC);
ret = zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member) + 1, (void **) &hnd);
if (ret == SUCCESS && hnd->write_func) {
hnd->write_func(obj, value TSRMLS_CC);
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, key TSRMLS_CC);
}
if (member == &tmp_member) {
zval_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, const zend_literal *key TSRMLS_DC)
{
php_snmp_prop_handler *hnd;
int ret = 0;
if (zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member) + 1, (void **)&hnd) == SUCCESS) {
switch (has_set_exists) {
case 2:
ret = 1;
break;
case 0: {
zval *value = php_snmp_read_property(object, member, BP_VAR_IS, key TSRMLS_CC);
if (value != EG(uninitialized_zval_ptr)) {
ret = Z_TYPE_P(value) != IS_NULL? 1:0;
/* refcount is 0 */
Z_ADDREF_P(value);
zval_ptr_dtor(&value);
}
break;
}
default: {
zval *value = php_snmp_read_property(object, member, BP_VAR_IS, key TSRMLS_CC);
if (value != EG(uninitialized_zval_ptr)) {
convert_to_boolean(value);
ret = Z_BVAL_P(value)? 1:0;
/* refcount is 0 */
Z_ADDREF_P(value);
zval_ptr_dtor(&value);
}
break;
}
}
} else {
zend_object_handlers * std_hnd = zend_get_std_object_handlers();
ret = std_hnd->has_property(object, member, has_set_exists, key TSRMLS_CC);
}
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 TSRMLS_DC)
{
php_snmp_object *obj;
php_snmp_prop_handler *hnd;
HashTable *props;
zval *val;
char *key;
uint key_len;
HashPosition pos;
ulong num_key;
obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC);
props = zend_std_get_properties(object TSRMLS_CC);
zend_hash_internal_pointer_reset_ex(&php_snmp_properties, &pos);
while (zend_hash_get_current_data_ex(&php_snmp_properties, (void**)&hnd, &pos) == SUCCESS) {
zend_hash_get_current_key_ex(&php_snmp_properties, &key, &key_len, &num_key, 0, &pos);
if (!hnd->read_func || hnd->read_func(obj, &val TSRMLS_CC) != SUCCESS) {
val = EG(uninitialized_zval_ptr);
Z_ADDREF_P(val);
}
zend_hash_update(props, key, key_len, (void *)&val, sizeof(zval *), NULL);
zend_hash_move_forward_ex(&php_snmp_properties, &pos);
}
return obj->zo.properties;
}
/* }}} */
/* {{{ */
static int php_snmp_read_info(php_snmp_object *snmp_object, zval **retval TSRMLS_DC)
{
zval *val;
MAKE_STD_ZVAL(*retval);
array_init(*retval);
if (snmp_object->session == NULL) {
return SUCCESS;
}
MAKE_STD_ZVAL(val);
ZVAL_STRINGL(val, snmp_object->session->peername, strlen(snmp_object->session->peername), 1);
add_assoc_zval(*retval, "hostname", val);
MAKE_STD_ZVAL(val);
ZVAL_LONG(val, snmp_object->session->remote_port);
add_assoc_zval(*retval, "port", val);
MAKE_STD_ZVAL(val);
ZVAL_LONG(val, snmp_object->session->timeout);
add_assoc_zval(*retval, "timeout", val);
MAKE_STD_ZVAL(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 TSRMLS_DC)
{
MAKE_STD_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 TSRMLS_DC) \
{ \
MAKE_STD_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 TSRMLS_DC) \
{ \
MAKE_STD_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 TSRMLS_DC)
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "info property is read-only");
return FAILURE;
}
/* }}} */
/* {{{ */
static int php_snmp_write_max_oids(php_snmp_object *snmp_object, zval *newval TSRMLS_DC)
{
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 TSRMLS_CC, E_WARNING, "max_oids should be positive integer or NULL, got %ld", 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 TSRMLS_DC)
{
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 TSRMLS_CC, E_WARNING, "Unknown SNMP value retrieval method '%ld'", 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 TSRMLS_DC) \
{ \
zval ztmp; \
if (Z_TYPE_P(newval) != IS_BOOL) { \
ztmp = *newval; \
zval_copy_ctor(&ztmp); \
convert_to_boolean(&ztmp); \
newval = &ztmp; \
} \
\
snmp_object->name = Z_LVAL_P(newval); \
\
if (newval == &ztmp) { \
zval_dtor(newval); \
} \
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 TSRMLS_DC)
{
zval ztmp;
int ret = SUCCESS;
if (Z_TYPE_P(newval) != IS_LONG) {
ztmp = *newval;
zval_copy_ctor(&ztmp);
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 TSRMLS_CC, E_WARNING, "Unknown SNMP output print format '%ld'", Z_LVAL_P(newval));
ret = FAILURE;
break;
}
if (newval == &ztmp) {
zval_dtor(newval);
}
return ret;
}
/* }}} */
/* {{{ */
static int php_snmp_write_exceptions_enabled(php_snmp_object *snmp_object, zval *newval TSRMLS_DC)
{
zval ztmp;
int ret = SUCCESS;
if (Z_TYPE_P(newval) != IS_LONG) {
ztmp = *newval;
zval_copy_ctor(&ztmp);
convert_to_long(&ztmp);
newval = &ztmp;
}
snmp_object->exceptions_enabled = Z_LVAL_P(newval);
if (newval == &ztmp) {
zval_dtor(newval);
}
return ret;
}
/* }}} */
/* {{{ 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.clone_obj = NULL;
php_snmp_ce = zend_register_internal_class(&ce TSRMLS_CC);
/* Register SNMP Class properties */
zend_hash_init(&php_snmp_properties, 0, NULL, NULL, 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, NULL TSRMLS_CC);
#else
php_snmp_exception_ce = zend_register_internal_class_ex(&cex, zend_exception_get_default(TSRMLS_C), NULL TSRMLS_CC);
#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
*/
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