ID: 48273
User updated by: lytboris at gmail dot com
Reported By: lytboris at gmail dot com
Status: Open
Bug Type: SNMP related
Operating System: FreeBSD
PHP Version: 5.2.9
New Comment:
Oups,
last line in Actual result should be read as
[NET-SNMP-MIB::netSnmp.2.1.2.3.8] => No more variables left in this
MIB
View (It is past the end of the MIB tree)
(wrong copy-paste)
Previous Comments:
------------------------------------------------------------------------
[2009-05-14 06:46:49] lytboris at gmail dot com
Description:
------------
When remote SNMP agent returns an error with same OID that contained
correct value *_real_walk functions will overwrite this correct value
with error message because there is no snmp reply status check.
Here is patch to address this issue:
========
--- ext/snmp/snmp.c.orig 2008-12-31 14:17:43.000000000 +0300
+++ ext/snmp/snmp.c 2009-05-14 10:31:23.000000000 +0400
@@ -480,12 +480,15 @@
} else if (st == SNMP_CMD_WALK)
{
add_next_index_zval(return_value,snmpval); /* Add to returned array */
} else if (st ==
SNMP_CMD_REALWALK) {
+ if (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);
+
snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
#else
- sprint_objid(buf2,
vars->name, vars->name_length);
+
sprint_objid(buf2, vars->name, vars->name_length);
#endif
-
add_assoc_zval(return_value,buf2,snmpval);
+
add_assoc_zval(return_value,buf2,snmpval);
+ }
}
if (st >= SNMP_CMD_WALK && st
!= SNMP_CMD_SET) {
if (vars->type !=
SNMP_ENDOFMIBVIEW &&
============
in BASE64 form:
begin-base64 644 -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====
Reproduce code:
---------------
print_r(@snmp2_real_walk("host:161", "community",
".1.3.6.1.4.1.8072.2.1.2.3", (800 * 1000), 2)):
=======
Result shown by snmpwalk:
>snmpwalk -v2c -ccommunity host .1.3.6.1.4.1.8072.2.1.2.3
NET-SNMP-MIB::netSnmp.2.1.2.3.1 = ""
NET-SNMP-MIB::netSnmp.2.1.2.3.2 = ""
NET-SNMP-MIB::netSnmp.2.1.2.3.3 = ""
NET-SNMP-MIB::netSnmp.2.1.2.3.4 = ""
NET-SNMP-MIB::netSnmp.2.1.2.3.5 = ""
NET-SNMP-MIB::netSnmp.2.1.2.3.6 = ""
NET-SNMP-MIB::netSnmp.2.1.2.3.7 = ""
NET-SNMP-MIB::netSnmp.2.1.2.3.8 = STRING: "blah"
NET-SNMP-MIB::netSnmp.2.1.2.3.8 = No more variables left in this MIB
View (It is past the end of the MIB tree)
Expected result:
----------------
Array
(
[NET-SNMP-MIB::netSnmp.2.1.2.3.1] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.2] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.3] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.4] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.5] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.6] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.7] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.8] => "blah"
)
Actual result:
--------------
Array
(
[NET-SNMP-MIB::netSnmp.2.1.2.3.1] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.2] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.3] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.4] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.5] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.6] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.7] => ""
[NET-SNMP-MIB::netSnmp.2.1.2.3.8] => No Such Instance currently
exists at this OID
)
------------------------------------------------------------------------
--
Edit this bug report at http://bugs.php.net/?id=48273&edit=1
