diff options
Diffstat (limited to 'ext/snmp/snmp.c')
| -rw-r--r-- | ext/snmp/snmp.c | 2498 |
1 files changed, 2498 insertions, 0 deletions
diff --git a/ext/snmp/snmp.c b/ext/snmp/snmp.c new file mode 100644 index 0000000..a3bd44c --- /dev/null +++ b/ext/snmp/snmp.c @@ -0,0 +1,2498 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2013 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; + + 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, snmp_object->snmp_errstr TSRMLS_CC); + } 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; +#ifdef BUGGY_SNMPRINT_VALUE + char sbuf[2048]; +#else + char sbuf[64]; +#endif + char *buf = &(sbuf[0]); + char *dbuf = (char *)NULL; + int buflen = sizeof(sbuf) - 1; + int val_len = vars->val_len; + + if ((valueretrieval & SNMP_VALUE_PLAIN) == 0) { + val_len += 32; /* snprint_value will add type info into value, make some space for it */ + } + + /* use emalloc() for large values, use static array otherwize */ + if(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 array", strerror(errno)); + } + } + + *buf = 0; + + MAKE_STD_ZVAL(val); + + if (valueretrieval & SNMP_VALUE_PLAIN) { + 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 */ { + snprint_value(buf, buflen, vars->name, vars->name_length, vars); + 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 aquired, 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 (objid_query->vars[0].name_length <= vars->name_length && snmp_oid_compare(objid_query->vars[0].name, objid_query->vars[0].name_length, vars->name, objid_query->vars[0].name_length) == 0) { + buf2[0] = '\0'; + count = objid_query->vars[0].name_length; + 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_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); + } 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 withing 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 withing 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 withing 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 returing 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 returing 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 withing 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[] + */ +static const zend_module_dep snmp_module_deps[] = { +#ifdef HAVE_SPL + ZEND_MOD_REQUIRED("spl") +#endif + ZEND_MOD_END +}; +/* }}} */ + +/* {{{ snmp_module_entry + */ +zend_module_entry snmp_module_entry = { + STANDARD_MODULE_HEADER_EX, + NULL, + snmp_module_deps, + "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 + */ |