| Steven Lawrance <slawrance@technologist.com> |
| Harrie Hazewinkel <harrie@lisanza.net> |
| Johann Hanne <jonny@nurfuerspam.de> |
+ | Boris Lytockin <lytboris@gmail.com> |
+----------------------------------------------------------------------+
*/
#include "ext/standard/info.h"
#include "php_snmp.h"
+#include "zend_exceptions.h"
+
#if HAVE_SNMP
#include <sys/types.h>
*/
#define OIDSIZE(p) (sizeof(p)/sizeof(oid))
+/* Another ugly macros, since UCD-SNMP has no snprint_* */
+#ifdef HAVE_NET_SNMP
+#define SNMP_SNPRINT_OBJID(dst, dstlen, src, srclen) (snprint_objid((dst), (dstlen), (src), (srclen)))
+#define SNMP_SNPRINT_VALUE(dst, dstlen, srcname, srcnamelen, src) (snprint_value((dst), (dstlen), (srcname), (srcnamelen), (src)))
+#else
+#define SNMP_SNPRINT_OBJID(dst, dstlen, src, srclen) (sprint_objid((dst), (src), (srclen)))
+#define SNMP_SNPRINT_VALUE(dst, dstlen, srcname, srcnamelen, src) (sprint_value((dst), (srcname), (srcnamelen), (src)))
+#endif
+
+#if PHP_VERSION_ID < 50300
+#define Z_ADDREF_P(pz) pz->refcount++
+#define Z_ISREF_PP(oid) (PZVAL_IS_REF(*(oid)))
+#define Z_REFCOUNT_P(pz) pz->refcount
+#define Z_SET_REFCOUNT_P(pz, rc) pz->refcount = rc
+#define zend_parse_parameters_none() zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "")
+#endif
+
/* For really old ucd-snmp versions.. */
#ifndef HAVE_SNMP_PARSE_OID
#define snmp_parse_oid read_objid
#define SNMP_VALUE_PLAIN 1
#define SNMP_VALUE_OBJECT 2
+typedef struct snmp_session php_snmp_session;
+#define PHP_SNMP_SESSION_RES_NAME "SNMP session"
+
+#define PHP_SNMP_SESSION_FROM_OBJECT(session, object) \
+ { \
+ php_snmp_object *snmp_object; \
+ 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"); \
+ RETURN_FALSE; \
+ } \
+ }
+
+#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++; \
+ } \
+}
+
+
+
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_class_entry;
+
+/* 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, 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_END_ARG_INFO()
#endif
-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_snmp2_get, 0, 0, 3)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, community)
ZEND_ARG_INFO(0, retries)
ZEND_END_ARG_INFO()
-ZEND_BEGIN_ARG_INFO_EX(arginfo_php_snmpv3, 0, 0, 2)
- ZEND_ARG_INFO(0, s)
- ZEND_ARG_INFO(0, st)
-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_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_open, 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_set_security, 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_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_walk, 0, 0, 3)
+ ZEND_ARG_INFO(0, object_id)
+ ZEND_ARG_INFO(0, non_repeaters)
+ ZEND_ARG_INFO(0, max_repetitions)
+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()
/* }}} */
+typedef struct _snmpobjarg {
+ char *oid;
+ char type;
+ char *value;
+
+} snmpobjarg;
+
+#define SNMP_MAXOIDS_IN_PDU 64
+struct objid_set {
+ int count;
+ int offset;
+ int step;
+ int array_output;
+ snmpobjarg vars[SNMP_MAXOIDS_IN_PDU];
+};
+
/* {{{ 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(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)
#ifdef HAVE_NET_SNMP
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)
#endif
- PHP_FE(snmpset, arginfo_snmpset)
PHP_FE(snmp2_get, arginfo_snmp2_get)
- PHP_FE(snmp2_getnext, arginfo_snmp2_getnext)
+ 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_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_getnext, arginfo_snmp3_getnext)
PHP_FE(snmp3_walk, arginfo_snmp3_walk)
- PHP_FE(snmp3_real_walk, arginfo_snmp3_real_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_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(snmp_read_mib, arginfo_snmp_read_mib)
{NULL,NULL,NULL}
};
/* }}} */
-#define SNMP_CMD_GET 1
-#define SNMP_CMD_GETNEXT 2
-#define SNMP_CMD_WALK 3
-#define SNMP_CMD_REALWALK 4
-#define SNMP_CMD_SET 11
-
-/* {{{ snmp_module_entry
- */
-zend_module_entry snmp_module_entry = {
- STANDARD_MODULE_HEADER,
- "snmp",
- snmp_functions,
- PHP_MINIT(snmp),
- PHP_MSHUTDOWN(snmp),
- NULL,
- NULL,
- PHP_MINFO(snmp),
- NO_VERSION_YET,
- PHP_MODULE_GLOBALS(snmp),
- PHP_GINIT(snmp),
- NULL,
- NULL,
- STANDARD_MODULE_PROPERTIES_EX
-};
-/* }}} */
+/* 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)
#ifdef COMPILE_DL_SNMP
ZEND_GET_MODULE(snmp)
}
/* }}} */
-/* {{{ PHP_MINIT_FUNCTION
- */
-PHP_MINIT_FUNCTION(snmp)
+static void netsnmp_session_free(php_snmp_session **session)
{
- 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
+ if (*session) {
+ if ((*session)->peername) {
+ efree((*session)->peername);
+ }
+ efree(*session);
+ *session = NULL;
+ }
+}
-#ifdef HAVE_NET_SNMP
- 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);
-#endif
+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);
+}
- 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);
+static void php_snmp_object_free_storage(void *object TSRMLS_DC)
+{
+ php_snmp_object *intern = (php_snmp_object *)object;
+
+ if (!intern) {
+ return;
+ }
- 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);
+ netsnmp_session_free(&(intern->session));
- return SUCCESS;
+ zend_object_std_dtor(&intern->zo TSRMLS_CC);
}
-/* }}} */
-/* {{{ PHP_MSHUTDOWN_FUNCTION
- */
-PHP_MSHUTDOWN_FUNCTION(snmp)
+static zend_object_value php_snmp_object_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
{
- snmp_shutdown("snmpapp");
+ zval *tmp;
+ zend_object_value retval;
+ php_snmp_object *intern;
- return SUCCESS;
-}
-/* }}} */
+ /* Allocate memory for it */
+ intern = emalloc(sizeof(php_snmp_object));
+ memset(&intern->zo, 0, sizeof(php_snmp_object));
-/* {{{ PHP_MINFO_FUNCTION
- */
-PHP_MINFO_FUNCTION(snmp)
-{
- php_info_print_table_start();
-#ifdef HAVE_NET_SNMP
- php_info_print_table_row(2, "NET-SNMP Support", "enabled");
- php_info_print_table_row(2, "NET-SNMP Version", netsnmp_get_version());
-#else
- php_info_print_table_row(2, "UCD-SNMP Support", "enabled");
- php_info_print_table_row(2, "UCD-SNMP Version", VersionInfo);
-#endif
- php_info_print_table_end();
+ zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
+ zend_hash_copy(intern->zo.properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref,(void *) &tmp, sizeof(zval *));
+
+ retval.handle = zend_objects_store_put(intern, NULL, (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;
+
}
-/* }}} */
-static void php_snmp_getvalue(struct variable_list *vars, zval *snmpval TSRMLS_DC)
+/* {{{ 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;
-#if I64CHARSZ > 2047
- char buf[I64CHARSZ + 1];
-#else
- char buf[2048];
-#endif
+ char sbuf[64];
+ char *buf = &(sbuf[0]);
+ char *dbuf = (char *)NULL;
+ int buflen = sizeof(sbuf) - 1;
+ int val_len = vars->val_len;
+
+ if (valueretrieval == SNMP_VALUE_LIBRARY) {
+ 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, "malloc() failed: %s, fallback to static array", strerror(errno));
+ }
+ }
- buf[0] = 0;
+ *buf = 0;
- if (SNMP_G(valueretrieval) == SNMP_VALUE_LIBRARY) {
-#ifdef HAVE_NET_SNMP
- snprint_value(buf, sizeof(buf), vars->name, vars->name_length, vars);
-#else
- sprint_value(buf,vars->name, vars->name_length, vars);
-#endif
+ if (valueretrieval == SNMP_VALUE_LIBRARY) {
+ SNMP_SNPRINT_VALUE(buf, buflen, vars->name, vars->name_length, vars);
ZVAL_STRING(snmpval, buf, 1);
return;
}
break;
case ASN_OBJECT_ID: /* 0x06, asn1.h */
-#ifdef HAVE_NET_SNMP
- snprint_objid(buf, sizeof(buf), vars->val.objid, vars->val_len / sizeof(oid));
-#else
- sprint_objid(buf, vars->val.objid, vars->val_len / sizeof(oid));
-#endif
-
+ SNMP_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, sizeof(buf)-1, "%d.%d.%d.%d",
- (vars->val.string)[0], (vars->val.string)[1],
- (vars->val.string)[2], (vars->val.string)[3]);
- buf[sizeof(buf)-1]=0;
+ 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;
/* ASN_UNSIGNED is the same as ASN_GAUGE */
case ASN_TIMETICKS: /* 0x43, snmp_impl.h */
case ASN_UINTEGER: /* 0x47, snmp_impl.h */
- snprintf(buf, sizeof(buf)-1, "%lu", *vars->val.integer);
- buf[sizeof(buf)-1]=0;
+ snprintf(buf, buflen, "%lu", *vars->val.integer);
+ buf[buflen]=0;
ZVAL_STRING(val, buf, 1);
break;
case ASN_INTEGER: /* 0x02, asn1.h */
- snprintf(buf, sizeof(buf)-1, "%ld", *vars->val.integer);
- buf[sizeof(buf)-1]=0;
+ snprintf(buf, buflen, "%ld", *vars->val.integer);
+ buf[buflen]=0;
+ ZVAL_STRING(val, buf, 1);
+ break;
+
+#ifdef NETSNMP_WITH_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);
default:
ZVAL_STRING(val, "Unknown value type", 1);
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown value type: %u", vars->type);
break;
}
- if (SNMP_G(valueretrieval) == SNMP_VALUE_PLAIN) {
+ if (valueretrieval == SNMP_VALUE_PLAIN) {
*snmpval = *val;
zval_copy_ctor(snmpval);
} else {
add_property_long(snmpval, "type", vars->type);
add_property_zval(snmpval, "value", val);
}
+ if(dbuf){ /* malloc was used to store value */
+ efree(dbuf);
+ }
}
+/* }}} */
/* {{{ php_snmp_internal
*
-* Generic SNMP object fetcher (for all SNMP versions)
-*
-* st=SNMP_CMD_GET get - query an agent with SNMP-GET.
-* st=SNMP_CMD_GETNEXT getnext - query an agent with SNMP-GETNEXT.
-* st=SNMP_CMD_WALK walk - walk the mib and return a single dimensional array
-* containing the values.
-* st=SNMP_CMD_REALWALK realwalk() and walkoid() - walk the mib and return an
-* array of oid,value pairs.
-* st=SNMP_CMD_SET set() - query an agent and set a single value
+* SNMP object fetcher/setter for all SNMP versions
*
*/
static void php_snmp_internal(INTERNAL_FUNCTION_PARAMETERS, int st,
struct snmp_session *session,
- char *objid,
- char type,
- char* value)
+ struct objid_set *objid_set,
+ int non_repeaters, int max_repetitions,
+ int valueretrieval)
{
struct snmp_session *ss;
struct snmp_pdu *pdu=NULL, *response;
int keepwalking=1;
char *err;
zval *snmpval = NULL;
+ int snmp_errno;
- if (st >= SNMP_CMD_WALK) { /* walk */
+ /* we start with retval=FALSE. If any actual data is aquired, retval will be set to appropriate type */
+ RETVAL_FALSE;
+
+ if (st & SNMP_CMD_WALK) {
+ if (objid_set->count > 1) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Multi OID walks are not supported!");
+ RETURN_FALSE;
+ }
rootlen = MAX_NAME_LEN;
- if (strlen(objid)) { /* on a walk, an empty string means top of tree - no error */
- if (snmp_parse_oid(objid, root, &rootlen)) {
+ if (strlen(objid_set->vars[0].oid)) { /* on a walk, an empty string means top of tree - no error */
+ if (snmp_parse_oid(objid_set->vars[0].oid, root, &rootlen)) {
gotroot = 1;
} else {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid object identifier: %s", objid);
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid object identifier: %s", objid_set->vars[0].oid);
+ RETURN_FALSE;
}
}
rootlen = sizeof(objid_mib) / sizeof(oid);
gotroot = 1;
}
+
+ memmove((char *)name, (char *)root, rootlen * sizeof(oid));
+ name_length = rootlen;
+ objid_set->offset = objid_set->count;
}
if ((ss = snmp_open(session)) == NULL) {
RETURN_FALSE;
}
- if (st >= SNMP_CMD_WALK) {
- memmove((char *)name, (char *)root, rootlen * sizeof(oid));
- name_length = rootlen;
- switch(st) {
- case SNMP_CMD_WALK:
- case SNMP_CMD_REALWALK:
- array_init(return_value);
- break;
- default:
- RETVAL_TRUE;
- break;
- }
- }
-
while (keepwalking) {
keepwalking = 0;
- if ((st == SNMP_CMD_GET) || (st == SNMP_CMD_GETNEXT)) {
- name_length = MAX_OID_LEN;
- if (!snmp_parse_oid(objid, name, &name_length)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid object identifier: %s", objid);
- snmp_close(ss);
- RETURN_FALSE;
+ if (st & (SNMP_CMD_GET | SNMP_CMD_GETNEXT)) {
+ pdu = snmp_pdu_create((st & SNMP_CMD_GET) ? SNMP_MSG_GET : SNMP_MSG_GETNEXT);
+ for (count = 0; objid_set->offset < objid_set->count && count < objid_set->step; objid_set->offset++, count++){
+ name_length = MAX_OID_LEN;
+ if (!snmp_parse_oid(objid_set->vars[objid_set->offset].oid, name, &name_length)) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid object identifier: %s", objid_set->vars[objid_set->offset].oid);
+ } else {
+ snmp_add_null_var(pdu, name, name_length);
+ }
}
- pdu = snmp_pdu_create((st == SNMP_CMD_GET) ? SNMP_MSG_GET : SNMP_MSG_GETNEXT);
- snmp_add_null_var(pdu, name, name_length);
- } else if (st == SNMP_CMD_SET) {
- pdu = snmp_pdu_create(SNMP_MSG_SET);
- if (snmp_add_var(pdu, name, name_length, type, value)) {
-#ifdef HAVE_NET_SNMP
- snprint_objid(buf, sizeof(buf), name, name_length);
-#else
- sprint_objid(buf, name, name_length);
-#endif
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not add variable: %s %c %s", buf, type, value);
+ if(pdu->variables == NULL){
snmp_free_pdu(pdu);
snmp_close(ss);
RETURN_FALSE;
}
- } else if (st >= SNMP_CMD_WALK) {
+ } else if (st & SNMP_CMD_SET) {
+ pdu = snmp_pdu_create(SNMP_MSG_SET);
+ for (count = 0; objid_set->offset < objid_set->count && count < objid_set->step; objid_set->offset++, count++){
+ name_length = MAX_OID_LEN;
+ if (!snmp_parse_oid(objid_set->vars[objid_set->offset].oid, name, &name_length)) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid object identifier: %s", objid_set->vars[objid_set->offset].oid);
+ snmp_free_pdu(pdu);
+ snmp_close(ss);
+ RETURN_FALSE;
+ } else {
+ if ((snmp_errno = snmp_add_var(pdu, name, name_length, objid_set->vars[objid_set->offset].type, objid_set->vars[objid_set->offset].value))) {
+ SNMP_SNPRINT_OBJID(buf, sizeof(buf), name, name_length);
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not add variable: OID='%s' type='%c' value='%s': %s", buf, objid_set->vars[objid_set->offset].type, objid_set->vars[objid_set->offset].value, snmp_api_errstring(snmp_errno));
+ snmp_free_pdu(pdu);
+ snmp_close(ss);
+ RETURN_FALSE;
+ }
+ }
+ }
+ } else 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 = 0;
- pdu->max_repetitions = 20;
+ pdu->non_repeaters = non_repeaters;
+ pdu->max_repetitions = max_repetitions;
}
snmp_add_null_var(pdu, name, name_length);
}
status = snmp_synch_response(ss, pdu, &response);
if (status == STAT_SUCCESS) {
if (response->errstat == SNMP_ERR_NOERROR) {
+ if (st & SNMP_CMD_SET) {
+ snmp_free_pdu(response);
+ snmp_close(ss);
+ RETURN_TRUE;
+ }
for (vars = response->variables; vars; vars = vars->next_variable) {
- if (st >= SNMP_CMD_WALK && st != SNMP_CMD_SET &&
- (vars->name_length < rootlen || memcmp(root, vars->name, rootlen * sizeof(oid)))) {
- continue; /* not part of this subtree */
+ /* 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;
+ }
+ SNMP_SNPRINT_OBJID(buf, sizeof(buf), vars->name, vars->name_length);
+ SNMP_SNPRINT_VALUE(buf2, sizeof(buf2), vars->name, vars->name_length, vars);
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error in packet at '%s': %s", buf, buf2);
+ continue;
}
-
- if (st != SNMP_CMD_SET) {
- MAKE_STD_ZVAL(snmpval);
- php_snmp_getvalue(vars, snmpval TSRMLS_CC);
+
+ 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_set->offset = 0;
+ keepwalking = 1;
+ }
+ break;
}
- if (st == SNMP_CMD_GET) {
+ MAKE_STD_ZVAL(snmpval);
+ php_snmp_getvalue(vars, snmpval TSRMLS_CC, valueretrieval);
+
+ if (objid_set->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 {
+ SNMP_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);
- snmp_free_pdu(response);
- snmp_close(ss);
- return;
- } else if (st == SNMP_CMD_GETNEXT) {
- *return_value = *snmpval;
- zval_copy_ctor(return_value);
- snmp_free_pdu(response);
- snmp_close(ss);
- return;
- } else if (st == SNMP_CMD_WALK) {
- add_next_index_zval(return_value,snmpval); /* Add to returned array */
- } else if (st == SNMP_CMD_REALWALK && vars->type != SNMP_ENDOFMIBVIEW && vars->type != SNMP_NOSUCHOBJECT && vars->type != SNMP_NOSUCHINSTANCE) {
-#ifdef HAVE_NET_SNMP
- snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
-#else
- sprint_objid(buf2, vars->name, vars->name_length);
-#endif
- add_assoc_zval(return_value,buf2,snmpval);
+ break;
}
- if (st >= SNMP_CMD_WALK && st != SNMP_CMD_SET) {
- if (vars->type != SNMP_ENDOFMIBVIEW &&
- vars->type != SNMP_NOSUCHOBJECT && vars->type != SNMP_NOSUCHINSTANCE) {
- if (snmp_oid_compare(name, name_length, vars->name, vars->name_length) >= 0) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error: OID not increasing: %s",name);
- keepwalking = 0;
- } else {
- memmove((char *)name, (char *)vars->name,vars->name_length * sizeof(oid));
- name_length = vars->name_length;
- keepwalking = 1;
- }
+
+ /* OID increase check */
+ if (st & SNMP_CMD_WALK) {
+ if (snmp_oid_compare(name, name_length, vars->name, vars->name_length) >= 0) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error: OID not increasing: %s",name);
+ keepwalking = 0;
+ } else {
+ memmove((char *)name, (char *)vars->name,vars->name_length * sizeof(oid));
+ name_length = vars->name_length;
+ keepwalking = 1;
}
}
- }
+ }
+ if (objid_set->offset < objid_set->count) { /* we have unprocessed OIDs */
+ keepwalking = 1;
+ }
} else {
- if (st != SNMP_CMD_WALK || response->errstat != SNMP_ERR_NOSUCHNAME) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error in packet: %s", snmp_errstring(response->errstat));
- if (response->errstat == SNMP_ERR_NOSUCHNAME) {
- for (count=1, vars = response->variables; vars && count != response->errindex;
+ 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 (vars) {
-#ifdef HAVE_NET_SNMP
- snprint_objid(buf, sizeof(buf), vars->name, vars->name_length);
-#else
- sprint_objid(buf,vars->name, vars->name_length);
-#endif
- }
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "This name does not exist: %s",buf);
+
+ if (st & (SNMP_CMD_GET | SNMP_CMD_GETNEXT) && response->errstat == SNMP_ERR_TOOBIG && objid_set->step > 1) { /* Answer will not fit into single packet */
+ objid_set->offset -= objid_set->step;
+ objid_set->step /= 2;
+ snmp_free_pdu(response);
+ keepwalking = 1;
+ continue;
}
- if (st == SNMP_CMD_GET) {
- if ((pdu = snmp_fix_pdu(response, SNMP_MSG_GET)) != NULL) {
- snmp_free_pdu(response);
- goto retry;
- }
- } else if (st == SNMP_CMD_SET) {
- if ((pdu = snmp_fix_pdu(response, SNMP_MSG_SET)) != NULL) {
- snmp_free_pdu(response);
- goto retry;
- }
- } else if (st == SNMP_CMD_GETNEXT) {
- if ((pdu = snmp_fix_pdu(response, SNMP_MSG_GETNEXT)) != NULL) {
- snmp_free_pdu(response);
- goto retry;
- }
- } else if (st >= SNMP_CMD_WALK) { /* Here we do walks. */
- if ((pdu = snmp_fix_pdu(response, ((session->version == SNMP_VERSION_1)
- ? SNMP_MSG_GETNEXT
- : SNMP_MSG_GETBULK))) != NULL) {
+ if (vars) {
+ SNMP_SNPRINT_OBJID(buf, sizeof(buf), vars->name, vars->name_length);
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error in packet at '%s': %s", buf, snmp_errstring(response->errstat));
+ } else {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "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 (st == SNMP_CMD_WALK || st == SNMP_CMD_REALWALK) {
+ if (objid_set->array_output) {
zval_dtor(return_value);
}
RETURN_FALSE;
}
} else if (status == STAT_TIMEOUT) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "No response from %s", session->peername);
- if (st == SNMP_CMD_WALK || st == SNMP_CMD_REALWALK) {
+ if (objid_set->array_output) {
zval_dtor(return_value);
}
snmp_close(ss);
RETURN_FALSE;
} else { /* status == STAT_ERROR */
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "An error occurred, quitting");
- if (st == SNMP_CMD_WALK || st == SNMP_CMD_REALWALK) {
+ snmp_error(ss, NULL, NULL, &err);
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Fatal error: %s", err);
+ free(err);
+ if (objid_set->array_output) {
zval_dtor(return_value);
}
snmp_close(ss);
}
/* }}} */
-/* {{{ php_snmp
-*
-* Generic community based SNMP handler for version 1 and 2.
-* This function makes use of the internal SNMP object fetcher.
-* The object fetcher is shared with SNMPv3.
-*
-* st=SNMP_CMD_GET get - query an agent with SNMP-GET.
-* st=SNMP_CMD_GETNEXT getnext - query an agent with SNMP-GETNEXT.
-* st=SNMP_CMD_WALK walk - walk the mib and return a single dimensional array
-* containing the values.
-* st=SNMP_CMD_REALWALK realwalk() and walkoid() - walk the mib and return an
-* array of oid,value pairs.
-* st=5-8 ** Reserved **
-* st=SNMP_CMD_SET set() - query an agent and set a single value
+/* {{{ php_snmp_parse_oid
*
+* OID parser (and type, value for SNMP_SET command)
*/
-static void php_snmp(INTERNAL_FUNCTION_PARAMETERS, int st, int version)
+
+static int php_snmp_parse_oid(int st, struct objid_set *objid_set, zval **oid, zval **type, zval **value)
{
- char *a1, *a2, *a3;
- int a1_len, a2_len, a3_len;
- struct snmp_session session;
- long timeout = SNMP_DEFAULT_TIMEOUT;
- long retries = SNMP_DEFAULT_RETRIES;
- char type = (char) 0;
- char *value = (char *) 0, *stype = "";
- int value_len, stype_len;
- char hostname[MAX_NAME_LEN];
- int remote_port = 161;
char *pptr;
- int argc = ZEND_NUM_ARGS();
+ HashPosition pos_oid, pos_type, pos_value;
+ zval **tmp_oid, **tmp_type, **tmp_value;
- if (st == SNMP_CMD_SET) {
- if (zend_parse_parameters(argc TSRMLS_CC, "sssss|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len, &stype, &stype_len, &value, &value_len, &timeout, &retries) == FAILURE) {
- return;
- }
- } else {
- /* SNMP_CMD_GET
- * SNMP_CMD_GETNEXT
- * SNMP_CMD_WALK
- * SNMP_CMD_REALWALK
- */
- if (zend_parse_parameters(argc TSRMLS_CC, "sss|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len, &timeout, &retries) == FAILURE) {
- return;
+ 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) {
- type = stype[0];
- }
-
- snmp_sess_init(&session);
- strlcpy(hostname, a1, sizeof(hostname));
- if ((pptr = strchr (hostname, ':'))) {
- remote_port = strtol (pptr + 1, NULL, 0);
- }
-
- session.peername = hostname;
- session.remote_port = remote_port;
- session.version = version;
- /*
- * FIXME: potential memory leak
- * This is a workaround for an "artifact" (Mike Slifcak)
- * in (at least) ucd-snmp 3.6.1 which frees
- * memory it did not allocate
- */
-#ifdef UCD_SNMP_HACK
- session.community = (u_char *)strdup(a2); /* memory freed by SNMP library, strdup NOT estrdup */
-#else
- session.community = (u_char *)a2;
-#endif
- session.community_len = a2_len;
- session.retries = retries;
- session.timeout = timeout;
-
- session.authenticator = NULL;
-
- php_snmp_internal(INTERNAL_FUNCTION_PARAM_PASSTHRU, st, &session, a3, type, value);
-}
-/* }}} */
-
-/* {{{ proto string snmpget(string host, string community, string 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 string snmpgetnext(string host, string community, string 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 array snmpwalk(string host, string community, string 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_VERSION_1);
-}
-/* }}} */
-
-/* {{{ proto array snmprealwalk(string host, string community, string 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_REALWALK, SNMP_VERSION_1);
-}
-/* }}} */
+ 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);
+ }
-/* {{{ 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;
+ 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);
+ }
}
-#ifdef HAVE_NET_SNMP
- RETURN_BOOL(netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT));
-#else
- RETURN_BOOL(snmp_get_quick_print());
-#endif
-}
-/* }}} */
+ objid_set->count = 0;
+ objid_set->array_output = ((st & SNMP_CMD_WALK) ? TRUE : FALSE);
+ if (Z_TYPE_PP(oid) == IS_STRING) {
+ objid_set->vars[objid_set->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));
+ return FALSE;
+ }
+ pptr = Z_STRVAL_PP(type);
+ objid_set->vars[objid_set->count].type = *pptr;
+ objid_set->vars[objid_set->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");
+ return FALSE;
+ }
+ }
+ objid_set->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_set->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_set->vars[objid_set->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_set->vars[objid_set->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));
+ return FALSE;
+ }
+ pptr = Z_STRVAL_PP(tmp_type);
+ objid_set->vars[objid_set->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));
+ return FALSE;
+ }
+ }
-/* {{{ proto void 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 (Z_TYPE_PP(value) == IS_STRING) {
+ objid_set->vars[objid_set->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_set->vars[objid_set->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));
+ return FALSE;
+ }
+ }
+ }
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) {
- return;
+ if (objid_set->count++ >= SNMP_MAXOIDS_IN_PDU) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not process more than %u OIDs in singe GET/GETNEXT/SET query", SNMP_MAXOIDS_IN_PDU);
+ return FALSE;
+ }
+ }
}
-#ifdef HAVE_NET_SNMP
- netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, (int) a1);
-#else
- snmp_set_quick_print((int)a1);
-#endif
+ objid_set->offset = 0;
+ objid_set->step = objid_set->count;
+ return (objid_set->count > 0);
}
/* }}} */
-#ifdef HAVE_NET_SNMP
-/* {{{ proto void 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)
+/* {{{ 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)
{
- long a1;
+ int remote_port = SNMP_PORT;
+ php_snmp_session *session;
+ char *pptr;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) {
- return;
+ *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);
}
- netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, (int) a1);
-}
-/* }}} */
+ snmp_sess_init(session);
-/* {{{ proto void snmp_set_oid_output_format(int oid_format)
- Set the OID output format. */
-PHP_FUNCTION(snmp_set_oid_output_format)
-{
- long a1;
+ session->version = version;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) {
- return;
+ session->peername = emalloc(MAX_NAME_LEN);
+ if(session->peername == NULL) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed while copying hostname");
+ netsnmp_session_free(&session);
+ return (-1);
}
- switch ((int) a1) {
- case 0:
- case NETSNMP_OID_OUTPUT_FULL:
- a1 = NETSNMP_OID_OUTPUT_FULL;
- break;
-
- default:
- case NETSNMP_OID_OUTPUT_NUMERIC:
- a1 = NETSNMP_OID_OUTPUT_NUMERIC;
- break;
+ /* Reading the hostname and its optional non-default port number */
+ strlcpy(session->peername, hostname, MAX_NAME_LEN);
+ if ((pptr = strchr(session->peername, ':'))) {
+ remote_port = strtol(pptr + 1, NULL, 0);
}
- netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, a1);
-}
-/* }}} */
-#endif
-
-/* {{{ proto int snmpset(string host, string community, string object_id, string 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);
-}
-/* }}} */
+ session->remote_port = remote_port;
-/* {{{ int netsnmp_session_set_sec_name(struct snmp_session *s, char *name)
- Set the security name in the snmpv3 session */
-static int netsnmp_session_set_sec_name(struct snmp_session *s, char *name)
-{
- if ((s) && (name)) {
- s->securityName = strdup(name);
- s->securityNameLen = strlen(s->securityName);
- return (0);
+ if (version == SNMP_VERSION_3) {
+ /* Setting the security name. */
+ session->securityName = strdup(community);
+ session->securityNameLen = strlen(session->securityName);
+ } else {
+ session->authenticator = NULL;
+#ifdef UCD_SNMP_HACK
+ session->community = (u_char *)strdup(community); /* memory freed by SNMP library, strdup NOT estrdup */
+#else
+ session->community = (u_char *)community;
+#endif
+ session->community_len = strlen(community);
}
- return (-1);
+
+ session->retries = retries;
+ session->timeout = timeout;
+ return (0);
}
/* }}} */
Set the security level in the snmpv3 session */
static int netsnmp_session_set_sec_level(struct snmp_session *s, char *level TSRMLS_DC)
{
- if ((s) && (level)) {
- if (!strcasecmp(level, "noAuthNoPriv") || !strcasecmp(level, "nanp")) {
- s->securityLevel = SNMP_SEC_LEVEL_NOAUTH;
- return (0);
- } else if (!strcasecmp(level, "authNoPriv") || !strcasecmp(level, "anp")) {
- s->securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV;
- return (0);
- } else if (!strcasecmp(level, "authPriv") || !strcasecmp(level, "ap")) {
- s->securityLevel = SNMP_SEC_LEVEL_AUTHPRIV;
- return (0);
- }
+ 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 (-1);
+ return (0);
}
/* }}} */
Set the authentication protocol in the snmpv3 session */
static int netsnmp_session_set_auth_protocol(struct snmp_session *s, char *prot TSRMLS_DC)
{
- if ((s) && (prot)) {
- if (!strcasecmp(prot, "MD5")) {
- s->securityAuthProto = usmHMACMD5AuthProtocol;
- s->securityAuthProtoLen = OIDSIZE(usmHMACMD5AuthProtocol);
- return (0);
- } else if (!strcasecmp(prot, "SHA")) {
- s->securityAuthProto = usmHMACSHA1AuthProtocol;
- s->securityAuthProtoLen = OIDSIZE(usmHMACSHA1AuthProtocol);
- return (0);
- }
+ if (!strcasecmp(prot, "MD5")) {
+ s->securityAuthProto = usmHMACMD5AuthProtocol;
+ s->securityAuthProtoLen = OIDSIZE(usmHMACMD5AuthProtocol);
+ } else if (!strcasecmp(prot, "SHA")) {
+ s->securityAuthProto = usmHMACSHA1AuthProtocol;
+ s->securityAuthProtoLen = OIDSIZE(usmHMACSHA1AuthProtocol);
+ } else {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown authentication protocol '%s'", prot TSRMLS_DC);
+ return (-1);
}
- return (-1);
+ return (0);
}
/* }}} */
Set the security protocol in the snmpv3 session */
static int netsnmp_session_set_sec_protocol(struct snmp_session *s, char *prot TSRMLS_DC)
{
- if ((s) && (prot)) {
- if (!strcasecmp(prot, "DES")) {
- s->securityPrivProto = usmDESPrivProtocol;
- s->securityPrivProtoLen = OIDSIZE(usmDESPrivProtocol);
- return (0);
+ if (!strcasecmp(prot, "DES")) {
+ s->securityPrivProto = usmDESPrivProtocol;
+ s->securityPrivProtoLen = OIDSIZE(usmDESPrivProtocol);
#ifdef HAVE_AES
- } else if (!strcasecmp(prot, "AES128")
+ } else if (!strcasecmp(prot, "AES128")
#ifdef SNMP_VALIDATE_ERR
/*
* In Net-SNMP before 5.2, the following symbols exist:
* array, so we cannot use the OIDSIZE macro because it uses sizeof().
*
*/
- || !strcasecmp(prot, "AES")) {
- s->securityPrivProto = usmAES128PrivProtocol;
- s->securityPrivProtoLen = USM_PRIV_PROTO_AES128_LEN;
- return (0);
+ || !strcasecmp(prot, "AES")) {
+ s->securityPrivProto = usmAES128PrivProtocol;
+ s->securityPrivProtoLen = USM_PRIV_PROTO_AES128_LEN;
#else
- ) {
- s->securityPrivProto = usmAES128PrivProtocol;
- s->securityPrivProtoLen = OIDSIZE(usmAES128PrivProtocol);
- return (0);
- } else if (!strcasecmp(prot, "AES192")) {
- s->securityPrivProto = usmAES192PrivProtocol;
- s->securityPrivProtoLen = OIDSIZE(usmAES192PrivProtocol);
- return (0);
- } else if (!strcasecmp(prot, "AES256")) {
- s->securityPrivProto = usmAES256PrivProtocol;
- s->securityPrivProtoLen = OIDSIZE(usmAES256PrivProtocol);
- return (0);
+ ) {
+ s->securityPrivProto = usmAES128PrivProtocol;
+ s->securityPrivProtoLen = OIDSIZE(usmAES128PrivProtocol);
+ } else if (!strcasecmp(prot, "AES192")) {
+ s->securityPrivProto = usmAES192PrivProtocol;
+ s->securityPrivProtoLen = OIDSIZE(usmAES192PrivProtocol);
+ } else if (!strcasecmp(prot, "AES256")) {
+ s->securityPrivProto = usmAES256PrivProtocol;
+ s->securityPrivProtoLen = OIDSIZE(usmAES256PrivProtocol);
#endif
#endif
- }
+ } else {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown security protocol '%s'", prot);
+ return (-1);
}
- return (-1);
+ return (0);
}
/* }}} */
Make key from pass phrase in the snmpv3 session */
static int netsnmp_session_gen_auth_key(struct snmp_session *s, char *pass TSRMLS_DC)
{
- /*
- * make master key from pass phrases
- */
- if ((s) && (pass) && strlen(pass)) {
- s->securityAuthKeyLen = USM_AUTH_KU_LEN;
- if (s->securityAuthProto == NULL) {
- /* get .conf set default */
- const oid *def = get_default_authtype(&(s->securityAuthProtoLen));
- s->securityAuthProto = snmp_duplicate_objid(def, s->securityAuthProtoLen);
- }
- if (s->securityAuthProto == NULL) {
- /* assume MD5 */
- s->securityAuthProto =
- snmp_duplicate_objid(usmHMACMD5AuthProtocol, OIDSIZE(usmHMACMD5AuthProtocol));
- s->securityAuthProtoLen = OIDSIZE(usmHMACMD5AuthProtocol);
- }
- if (generate_Ku(s->securityAuthProto, s->securityAuthProtoLen,
- (u_char *) pass, strlen(pass),
- s->securityAuthKey, &(s->securityAuthKeyLen)) != SNMPERR_SUCCESS) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error generating a key for authentication pass phrase");
- return (-2);
- }
- return (0);
+ 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 (-1);
+ return (0);
}
/* }}} */
Make key from pass phrase in the snmpv3 session */
static int netsnmp_session_gen_sec_key(struct snmp_session *s, u_char *pass TSRMLS_DC)
{
- if ((s) && (pass) && strlen(pass)) {
- s->securityPrivKeyLen = USM_PRIV_KU_LEN;
- if (s->securityPrivProto == NULL) {
- /* get .conf set default */
- const oid *def = get_default_privtype(&(s->securityPrivProtoLen));
- s->securityPrivProto = snmp_duplicate_objid(def, s->securityPrivProtoLen);
- }
- if (s->securityPrivProto == NULL) {
- /* assume DES */
- s->securityPrivProto = snmp_duplicate_objid(usmDESPrivProtocol,
- OIDSIZE(usmDESPrivProtocol));
- s->securityPrivProtoLen = OIDSIZE(usmDESPrivProtocol);
- }
- if (generate_Ku(s->securityAuthProto, s->securityAuthProtoLen,
- pass, strlen(pass),
- s->securityPrivKey, &(s->securityPrivKeyLen)) != SNMPERR_SUCCESS) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error generating a key for privacy pass phrase");
- return (-2);
- }
- return (0);
+ int snmp_errno;
+
+ s->securityPrivKeyLen = USM_PRIV_KU_LEN;
+ if ((snmp_errno = generate_Ku(s->securityAuthProto, s->securityAuthProtoLen,
+ 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 (-1);
+ return (0);
}
/* }}} */
-/* {{{ proto string snmp2_get(string host, string community, string object_id [, int timeout [, int retries]])
- Fetch a SNMP object */
-PHP_FUNCTION(snmp2_get)
+/* {{{ 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, u_char * contextEngineID)
{
- php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU,SNMP_CMD_GET, SNMP_VERSION_2c);
-}
-/* }}} */
+ size_t ebuf_len = 32, eout_len = 0;
+ u_char *ebuf = (u_char *) malloc(ebuf_len); /* memory freed by SNMP library, strdup NOT estrdup */
-/* {{{ proto string snmp2_getnext(string host, string community, string 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);
+ 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);
+ free(ebuf);
+ return (-1);
+ }
+ s->contextEngineID = ebuf;
+ s->contextEngineIDLen = eout_len;
+ return (0);
}
/* }}} */
-/* {{{ proto array snmp2_walk(string host, string community, string object_id [, int timeout [, int retries]])
- Return all objects under the specified object id */
-PHP_FUNCTION(snmp2_walk)
+/* {{{ 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)
{
- php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU,SNMP_CMD_WALK, SNMP_VERSION_2c);
-}
-/* }}} */
-/* {{{ proto array snmp2_real_walk(string host, string community, string 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_REALWALK, SNMP_VERSION_2c);
-}
-/* }}} */
+ /* 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);
+ }
-/* {{{ proto int snmp2_set(string host, string community, string object_id, string 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);
+ if (session->securityLevel == SNMP_SEC_LEVEL_AUTHNOPRIV || session->securityLevel == SNMP_SEC_LEVEL_AUTHPRIV) {
+
+ /* Setting the authentication protocol. */
+ if (netsnmp_session_set_auth_protocol(session, auth_protocol)) {
+ /* Warning message sent already, just bail out */
+ return (-1);
+ }
+
+ /* Setting the authentication passphrase. */
+ if (netsnmp_session_gen_auth_key(session, auth_passphrase)) {
+ /* Warning message sent already, just bail out */
+ return (-1);
+ }
+
+ if (session->securityLevel == SNMP_SEC_LEVEL_AUTHPRIV) {
+ /* Setting the security protocol. */
+ if (netsnmp_session_set_sec_protocol(session, priv_protocol)) {
+ /* Warning message sent already, just bail out */
+ return (-1);
+ }
+
+ /* Setting the security protocol passphrase. */
+ if (netsnmp_session_gen_sec_key(session, priv_passphrase)) {
+ /* Warning message sent already, just bail out */
+ return (-1);
+ }
+ }
+ }
+
+ /* Setting contextName if specified */
+ if (contextName) {
+ session->contextName = contextName;
+ session->contextNameLen = strlen(contextName);
+ }
+
+ /* Setting contextEngineIS if specified */
+ if (contextEngineID && strlen(contextEngineID) && netsnmp_session_set_contextEngineID(session, contextEngineID)) {
+ /* Warning message sent already, just bail out */
+ return (-1);
+ }
+
+ return (0);
}
/* }}} */
-/* {{{ proto void php_snmpv3(INTERNAL_FUNCTION_PARAMETERS, int st)
-*
-* Generic SNMPv3 object fetcher
-* From here is passed on the the common internal object fetcher.
+/* {{{ php_snmp
*
-* st=SNMP_CMD_GET snmp3_get() - query an agent and return a single value.
-* st=SNMP_CMD_GETNEXT snmp3_getnext() - query an agent and return the next single value.
-* st=SNMP_CMD_WALK snmp3_walk() - walk the mib and return a single dimensional array
-* containing the values.
-* st=SNMP_CMD_REALWALK snmp3_real_walk() - walk the mib and return an
-* array of oid,value pairs.
-* st=SNMP_CMD_SET snmp3_set() - query an agent and set a single value
+* 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_snmpv3(INTERNAL_FUNCTION_PARAMETERS, int st)
+static void php_snmp(INTERNAL_FUNCTION_PARAMETERS, int st, int version)
{
- char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
- int a1_len, a2_len, a3_len, a4_len, a5_len, a6_len, a7_len, a8_len;
- struct snmp_session session;
+ 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;
long timeout = SNMP_DEFAULT_TIMEOUT;
long retries = SNMP_DEFAULT_RETRIES;
- char type = (char) 0;
- char *value = (char *) 0, *stype = "";
- int stype_len, value_len;
- char hostname[MAX_NAME_LEN];
- int remote_port = 161;
- char *pptr;
+ int non_repeaters = 0;
+ int max_repetitions = 20;
int argc = ZEND_NUM_ARGS();
-
- if (st == SNMP_CMD_SET) {
- if (zend_parse_parameters(argc TSRMLS_CC, "ssssssssss|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len,
- &a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len, &a8, &a8_len, &stype, &stype_len, &value, &value_len, &timeout, &retries) == FAILURE) {
- return;
+ struct objid_set objid_set;
+ php_snmp_session *session;
+ int session_less_mode = (getThis() == NULL);
+ int valueretrieval = SNMP_G(valueretrieval);
+ php_snmp_object *snmp_object;
+ php_snmp_object glob_snmp_object;
+
+ 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 {
- /* SNMP_CMD_GET
- * SNMP_CMD_GETNEXT
- * SNMP_CMD_WALK
- * SNMP_CMD_REALWALK
- */
- if (zend_parse_parameters(argc TSRMLS_CC, "ssssssss|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len,
- &a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len, &a8, &a8_len, &timeout, &retries) == FAILURE) {
- return;
+ 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|ll", &oid, &non_repeaters, &max_repetitions) == FAILURE) {
+ RETURN_FALSE;
+ }
+ } else {
+ /* SNMP_CMD_GET
+ * SNMP_CMD_GETNEXT
+ */
+ if (zend_parse_parameters(argc TSRMLS_CC, "Z", &oid) == FAILURE) {
+ RETURN_FALSE;
+ }
}
}
- snmp_sess_init(&session);
- /* This is all SNMPv3 */
- session.version = SNMP_VERSION_3;
-
- /* Reading the hostname and its optional non-default port number */
- strlcpy(hostname, a1, sizeof(hostname));
- if ((pptr = strchr(hostname, ':'))) {
- remote_port = strtol(pptr + 1, NULL, 0);
- }
- session.peername = hostname;
- session.remote_port = remote_port;
-
- /* Setting the security name. */
- if (netsnmp_session_set_sec_name(&session, a2)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could net set security name: %s", a2);
- RETURN_FALSE;
- }
-
- /* Setting the security level. */
- if (netsnmp_session_set_sec_level(&session, a3 TSRMLS_CC)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid security level: %s", a3);
- RETURN_FALSE;
- }
-
- /* Setting the authentication protocol. */
- if (netsnmp_session_set_auth_protocol(&session, a4 TSRMLS_CC)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid authentication protocol: %s", a4);
- RETURN_FALSE;
- }
-
- /* Setting the authentication passphrase. */
- if (netsnmp_session_gen_auth_key(&session, a5 TSRMLS_CC)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not generate key for authentication pass phrase: %s", a5);
+ if (!php_snmp_parse_oid(st, &objid_set, oid, type, value)) {
RETURN_FALSE;
}
- /* Setting the security protocol. */
- if (netsnmp_session_set_sec_protocol(&session, a6 TSRMLS_CC) && a6_len) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid security protocol: %s", a6);
- RETURN_FALSE;
+ if (session_less_mode) {
+ if (netsnmp_session_init(&session, version, a1, a2, timeout, retries)) {
+ RETURN_FALSE;
+ }
+ if (version == SNMP_VERSION_3 && netsnmp_session_set_security(session, a3 TSRMLS_CC, a4 TSRMLS_CC, a5 TSRMLS_CC, a6 TSRMLS_CC, a7 TSRMLS_CC, NULL, NULL)) {
+ /* Warning message sent already, just bail out */
+ RETURN_FALSE;
+ }
+ } else {
+ zval *object = getThis();
+ PHP_SNMP_SESSION_FROM_OBJECT(session, object);
+ snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
+ valueretrieval = snmp_object->valueretrieval;
+#ifdef HAVE_NET_SNMP
+ 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);
+#else
+ glob_snmp_object.quick_print = snmp_get_quick_print();
+ snmp_set_quick_print(snmp_object->quick_print);
+#endif
}
- /* Setting the security protocol passphrase. */
- if (netsnmp_session_gen_sec_key(&session, a7 TSRMLS_CC) && a7_len) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not generate key for security pass phrase: %s", a7);
- RETURN_FALSE;
- }
+ php_snmp_internal(INTERNAL_FUNCTION_PARAM_PASSTHRU, st, session, &objid_set, non_repeaters, max_repetitions, valueretrieval);
- if (st == SNMP_CMD_SET) {
- type = stype[0];
+ if (session_less_mode) {
+ netsnmp_session_free(&session);
+ } else {
+#ifdef HAVE_NET_SNMP
+ 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);
+#else
+ snmp_set_quick_print(glob_snmp_object.quick_print);
+#endif
}
-
- session.retries = retries;
- session.timeout = timeout;
-
- php_snmp_internal(INTERNAL_FUNCTION_PARAM_PASSTHRU, st, &session, a8, type, value);
}
/* }}} */
-/* {{{ proto int snmp3_get(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, string object_id [, int timeout [, int retries]])
- Fetch the value of a SNMP object */
-PHP_FUNCTION(snmp3_get)
+/* {{{ proto mixed snmpget(string host, string community, mixed object_id [, int timeout [, int retries]])
+ Fetch a SNMP object */
+PHP_FUNCTION(snmpget)
{
- php_snmpv3(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET);
+ php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_1);
}
/* }}} */
-/* {{{ proto int snmp3_getnext(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, string object_id [, int timeout [, int retries]])
- Fetch the value of a SNMP object */
-PHP_FUNCTION(snmp3_getnext)
+/* {{{ proto mixed snmpgetnext(string host, string community, mixed object_id [, int timeout [, int retries]])
+ Fetch a SNMP object */
+PHP_FUNCTION(snmpgetnext)
{
- php_snmpv3(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT);
+ php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_1);
}
/* }}} */
-/* {{{ proto int snmp3_walk(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, string object_id [, int timeout [, int retries]])
- Fetch the value of a SNMP object */
-PHP_FUNCTION(snmp3_walk)
+/* {{{ 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_snmpv3(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK);
+ php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_1);
}
/* }}} */
-/* {{{ proto int snmp3_real_walk(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, string object_id [, int timeout [, int retries]])
- Fetch the value of a SNMP object */
-PHP_FUNCTION(snmp3_real_walk)
+/* {{{ 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_snmpv3(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_REALWALK);
+ php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_1);
}
/* }}} */
-/* {{{ proto int snmp3_set(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, string object_id, string type, mixed value [, int timeout [, int retries]])
- Fetch the value of a SNMP object */
-PHP_FUNCTION(snmp3_set)
+/* {{{ 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_snmpv3(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET);
+ php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_1);
}
/* }}} */
-/* {{{ proto void snmp_set_valueretrieval(int method)
- Specify the method how the SNMP values will be returned */
-PHP_FUNCTION(snmp_set_valueretrieval)
+/* {{{ proto bool snmp_get_quick_print(void)
+ Return the current status of quick_print */
+PHP_FUNCTION(snmp_get_quick_print)
{
- long method;
+ if (zend_parse_parameters_none() == FAILURE) {
+ return;
+ }
+
+#ifdef HAVE_NET_SNMP
+ RETURN_BOOL(netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT));
+#else
+ RETURN_BOOL(snmp_get_quick_print());
+#endif
+}
+/* }}} */
+
+/* {{{ 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;
+ }
+
+#ifdef HAVE_NET_SNMP
+ netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, (int)a1);
+#else
+ snmp_set_quick_print((int)a1);
+#endif
+ RETURN_TRUE;
+}
+/* }}} */
+
+#ifdef HAVE_NET_SNMP
+/* {{{ 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;
+ }
+}
+/* }}} */
+#endif
+
+/* {{{ 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;
+ RETURN_FALSE;
}
- if ((method == SNMP_VALUE_LIBRARY) || (method == SNMP_VALUE_PLAIN) || (method == SNMP_VALUE_OBJECT)) {
- SNMP_G(valueretrieval) = method;
+ switch(method) {
+ case SNMP_VALUE_LIBRARY:
+ case SNMP_VALUE_PLAIN:
+ case SNMP_VALUE_OBJECT:
+ SNMP_G(valueretrieval) = method;
+ RETURN_TRUE;
+ break;
+ default:
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP value retrieval method '%d'", method);
+ RETURN_FALSE;
}
}
/* }}} */
}
/* }}} */
-/* {{{ proto int snmp_read_mib(string filename)
+/* {{{ proto bool snmp_read_mib(string filename)
Reads and parses a MIB file into the active MIB tree. */
PHP_FUNCTION(snmp_read_mib)
{
int filename_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filename, &filename_len) == FAILURE) {
- return;
+ RETURN_FALSE;
}
- /* Prevent read_mib() from printing any errors. */
- snmp_disable_stderrlog();
-
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);
}
/* }}} */
+/* {{{ proto SNMP SNMP::open(int version, string hostname, string community|securityName [, long timeout [, long retries]])
+ Creates a new SNMP session to specified host. */
+PHP_METHOD(snmp, open)
+{
+ 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;
+ int version = SNMP_DEFAULT_VERSION;
+ int argc = ZEND_NUM_ARGS();
+#if PHP_VERSION_ID > 50300
+ zend_error_handling error_handling;
+#endif
+
+ snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC);
+#if PHP_VERSION_ID > 50300
+ zend_replace_error_handling(EH_THROW, NULL, &error_handling TSRMLS_CC);
+#else
+ php_set_error_handling(EH_THROW, zend_exception_get_default(TSRMLS_C) TSRMLS_CC);
+#endif
+
+ if (zend_parse_parameters(argc TSRMLS_CC, "lss|ll", &version, &a1, &a1_len, &a2, &a2_len, &timeout, &retries) == FAILURE) {
+#if PHP_VERSION_ID > 50300
+ zend_restore_error_handling(&error_handling TSRMLS_CC);
+#else
+ php_std_error_handling();
+#endif
+ return;
+ }
+
+#if PHP_VERSION_ID > 50300
+ zend_restore_error_handling(&error_handling TSRMLS_CC);
+#else
+ php_std_error_handling();
+#endif
+
+ 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;
+ }
+
+ if (netsnmp_session_init(&(snmp_object->session), version, a1, a2, timeout, retries)) {
+ return;
+ }
+ snmp_object->valueretrieval = SNMP_G(valueretrieval);
+#ifdef HAVE_NET_SNMP
+ 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);
+#else
+ snmp_object->quick_print = snmp_get_quick_print();
+#endif
+}
+/* }}} */
+
+/* {{{ 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_assoc(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, 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)
+{
+ zval *object = getThis();
+ php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, (-1));
+}
+/* }}} */
+
+/* {{{ proto mixed SNMP::walk(mixed object_id)
+ Return all objects including their respective object id withing the specified one as array of oid->value pairs */
+PHP_METHOD(snmp, walk)
+{
+ zval *object = getThis();
+ 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)
+{
+ zval *object = getThis();
+ php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, (-1));
+}
+
+/* {{{ proto bool SNMP::set_security(resource session, 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, set_security)
+{
+ php_snmp_object *snmp_object;
+ zval *object = getThis();
+ char *a1 = "", *a2 = "", *a3 = "", *a4 = "", *a5 = "", *a6 = "", *a7 = "";
+ int a1_len, a2_len, a3_len, a4_len, a5_len, a6_len, a7_len;
+ 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)) {
+ /* Warning message sent already, just bail out */
+ RETURN_FALSE;
+ }
+ RETURN_TRUE;
+}
+/* }}} */
+
+/* {{{ */
+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)
+ Generic object property reader */
+zval *php_snmp_read_property(zval *object, zval *member, int type 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 TSRMLS_CC);
+ }
+
+ if (member == &tmp_member) {
+ zval_dtor(member);
+ }
+ return(retval);
+}
+/* }}} */
+
+/* {{{ php_snmp_write_property(zval *object, zval *member, zval *value)
+ Generic object property writer */
+void php_snmp_write_property(zval *object, zval *member, zval *value 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 TSRMLS_CC);
+ }
+
+ if (member == &tmp_member) {
+ zval_dtor(member);
+ }
+}
+/* }}} */
+
+/* {{{ php_snmp_has_property(zval *object, zval *member, int has_set_exists)
+ Generic object property checker */
+static int php_snmp_has_property(zval *object, zval *member, int has_set_exists TSRMLS_DC)
+{
+ php_snmp_object *obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC);
+ 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 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 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 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 = obj->zo.properties;
+
+ 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);
+ MAKE_STD_ZVAL(val);
+ if (!hnd->read_func || hnd->read_func(obj, &val TSRMLS_CC) != SUCCESS) {
+ val = EG(uninitialized_zval_ptr);
+ }
+ 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_valueretrieval(php_snmp_object *snmp_object, zval **retval TSRMLS_DC)
+{
+ MAKE_STD_ZVAL(*retval);
+ ZVAL_LONG(*retval, snmp_object->valueretrieval);
+ return SUCCESS;
+}
+/* }}} */
+
+/* {{{ */
+static int php_snmp_read_quick_print(php_snmp_object *snmp_object, zval **retval TSRMLS_DC)
+{
+ MAKE_STD_ZVAL(*retval);
+ ZVAL_BOOL(*retval, snmp_object->quick_print);
+ return SUCCESS;
+}
+/* }}} */
+
+#ifdef HAVE_NET_SNMP
+/* {{{ */
+static int php_snmp_read_enum_print(php_snmp_object *snmp_object, zval **retval TSRMLS_DC)
+{
+ MAKE_STD_ZVAL(*retval);
+ ZVAL_BOOL(*retval, snmp_object->enum_print);
+ return SUCCESS;
+}
+/* }}} */
+
+/* {{{ */
+static int php_snmp_read_oid_output_format(php_snmp_object *snmp_object, zval **retval TSRMLS_DC)
+{
+ MAKE_STD_ZVAL(*retval);
+ ZVAL_LONG(*retval, snmp_object->oid_output_format);
+ return SUCCESS;
+}
+/* }}} */
+#endif
+
+/* {{{ */
+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;
+ }
+
+ switch(Z_LVAL_P(newval)) {
+ case SNMP_VALUE_LIBRARY:
+ case SNMP_VALUE_PLAIN:
+ case SNMP_VALUE_OBJECT:
+ snmp_object->valueretrieval = Z_LVAL_P(newval);
+ break;
+ default:
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP value retrieval method '%d'", Z_LVAL_P(newval));
+ ret = FAILURE;
+ break;
+ }
+
+ if (newval == &ztmp) {
+ zval_dtor(newval);
+ }
+
+ return ret;
+}
+/* }}} */
+
+/* {{{ */
+static int php_snmp_write_quick_print(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->quick_print = Z_LVAL_P(newval);
+
+ if (newval == &ztmp) {
+ zval_dtor(newval);
+ }
+ return SUCCESS;
+}
+/* }}} */
+
+#ifdef HAVE_NET_SNMP
+/* {{{ */
+static int php_snmp_write_enum_print(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->enum_print = Z_LVAL_P(newval);
+
+ if (newval == &ztmp) {
+ zval_dtor(newval);
+ }
+ return SUCCESS;
+}
+/* }}} */
+
+/* {{{ */
+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 '%d'", Z_LVAL_P(newval));
+ ret = FAILURE;
+ break;
+ }
+
+ if (newval == &ztmp) {
+ zval_dtor(newval);
+ }
+ return ret;
+}
+#endif
+/* }}} */
+
+/* {{{ php_snmp_class_methods[] */
+static zend_function_entry php_snmp_class_methods[] = {
+ PHP_ME(snmp, open, arginfo_snmp_open, ZEND_ACC_PUBLIC)
+ PHP_ME(snmp, close, arginfo_snmp_void, ZEND_ACC_PUBLIC)
+ PHP_ME(snmp, set_security, arginfo_snmp_set_security, 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_MALIAS(snmp, __construct, open, arginfo_snmp_open, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+ {NULL, NULL, NULL}
+};
+
+#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(valueretrieval),
+ PHP_SNMP_PROPERTY_ENTRY_RECORD(quick_print),
+#ifdef HAVE_NET_SNMP
+ PHP_SNMP_PROPERTY_ENTRY_RECORD(enum_print),
+ PHP_SNMP_PROPERTY_ENTRY_RECORD(oid_output_format),
+#endif
+ { NULL, 0, NULL, NULL}
+};
+/* }}} */
+
+/* {{{ PHP_MINIT_FUNCTION
+ */
+PHP_MINIT_FUNCTION(snmp)
+{
+ netsnmp_log_handler *logh;
+ zend_class_entry ce;
+
+ 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_class_entry = 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);
+
+#ifdef HAVE_NET_SNMP
+ 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);
+#endif
+
+ 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_LONG_CONSTANT("SNMP_VERSION_1", SNMP_VERSION_1, CONST_CS | CONST_PERSISTENT);
+ REGISTER_LONG_CONSTANT("SNMP_VERSION_2c", SNMP_VERSION_2c, CONST_CS | CONST_PERSISTENT);
+ REGISTER_LONG_CONSTANT("SNMP_VERSION_3", SNMP_VERSION_3, CONST_CS | CONST_PERSISTENT);
+
+ 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();
+#ifdef HAVE_NET_SNMP
+ php_info_print_table_row(2, "NET-SNMP Support", "enabled");
+ php_info_print_table_row(2, "NET-SNMP Version", netsnmp_get_version());
+#else
+ php_info_print_table_row(2, "UCD-SNMP Support", "enabled");
+ php_info_print_table_row(2, "UCD-SNMP Version", VersionInfo);
+#endif
+ php_info_print_table_row(2, "PHP SNMP Version", PHP_SNMP_VERSION);
+ php_info_print_table_end();
+}
+/* }}} */
+
+/* {{{ snmp_module_entry
+ */
+zend_module_entry snmp_module_entry = {
+ STANDARD_MODULE_HEADER,
+ "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
/*
projects / php / commitdiff