Fixed SNMP_ERR_TOOBIG handling for bulk walk operations

12 years ago · bb51d0e4c0
2 changed files with 9 additions and 0 deletions
--- a/3
+++ b/3
@ -34,6 +34,9 @@ PHP                                                                        NEWS
 - ZIP:
  . Fixed Bug #66321 (ZipArchive::open() ze_obj->filename_len not real). (Remi)

+- SNMP:
+  . Fixed SNMP_ERR_TOOBIG handling for bulk walk operations (Boris Lytochkin)
+
 12 Dec 2013, PHP 5.4.23

 - Core:
--- a/ext/snmp/snmp.c
+++ b/ext/snmp/snmp.c
@ -896,6 +896,12 @@ retry:
 					keepwalking = 1;
 				}
 			} else {
+				if (st & SNMP_CMD_WALK && response->errstat == SNMP_ERR_TOOBIG && objid_query->max_repetitions > 1) { /* Answer will not fit into single packet */
+					objid_query->max_repetitions /= 2;
+					snmp_free_pdu(response);
+					keepwalking = 1;
+					continue;
+				}
 				if (!(st & SNMP_CMD_WALK) || response->errstat != SNMP_ERR_NOSUCHNAME || Z_TYPE_P(return_value) == IS_BOOL) {
 					for (	count=1, vars = response->variables;
 						vars && count != response->errindex;