(1) Fix memory leak by connections from <UNKNOWN>.

(2) Take care of large counters on 64bit platforms.

PR:		ports/78807 (1)
Submitted by:	Andriy Gapon <avg@icyb.net.ua> (1),
		Peter Losher <Peter_Losher@isc.org> (2)
Approved by:	portmgr (marcus)

2 files changed, 58 insertions, 2 deletions

diff --git a/net-mgmt/net-snmp53/files/patch-asn1.c b/net-mgmt/net-snmp53/files/patch-asn1.c
index 477a909b07b9..8dc5fe0108d6 100644
--- a/net-mgmt/net-snmp53/files/patch-asn1.c
+++ b/net-mgmt/net-snmp53/files/patch-asn1.c
@@ -1,5 +1,5 @@
---- snmplib/asn1.c.orig	Tue Jan 25 10:09:35 2005
-+++ snmplib/asn1.c	Tue Jan 25 10:09:55 2005
+--- snmplib/asn1.c.orig.2	Sat Dec 11 00:07:16 2004
++++ snmplib/asn1.c	Thu Feb 24 23:42:30 2005
 @@ -181,6 +181,9 @@
  #include <in.h>
  #endif
@@ -10,3 +10,49 @@
  #if HAVE_DMALLOC_H
  #include <dmalloc.h>
  #endif
+@@ -584,6 +587,11 @@
+         return NULL;
+     }
+     integer = *intp;
++    if (intsize > 4) {
++	register u_long signmask = ((u_long)1 << ((8 * sizeof(long)) - 1));
++	register u_long signbit = ((integer & signmask) != 0);
++	integer &= (signbit << 31) | 0x7fffffff;
++    }
+     /*
+      * Truncate "unnecessary" bytes off of the most significant end of this
+      * 2's complement integer.  There should be no sequence of 9
+@@ -663,6 +671,9 @@
+         return NULL;
+     }
+     integer = *intp;
++    if (intsize > 4) {
++	integer &= 0xffffffff;
++    }
+     mask = ((u_long) 0xFF) << (8 * (sizeof(long) - 1));
+     /*
+      * mask is 0xFF000000 on a big-endian machine 
+@@ -2674,6 +2685,12 @@
+         return 0;
+     }
+ 
++    if (intsize > 4) {
++	register u_long signmask = ((u_long)1 << ((8 * sizeof(long)) - 1));
++	register u_long signbit = ((integer & signmask) != 0);
++	integer &= (signbit << 31) | 0x7fffffff;
++    }
++
+     if (((*pkt_len - *offset) < 1) && !(r && asn_realloc(pkt, pkt_len))) {
+         return 0;
+     }
+@@ -2823,6 +2840,10 @@
+     if (intsize != sizeof(unsigned long)) {
+         _asn_size_err(errpre, intsize, sizeof(unsigned long));
+         return 0;
++    }
++
++    if (intsize > 4) {
++	integer &= 0xffffffff;
+     }
+ 
+     if (((*pkt_len - *offset) < 1) && !(r && asn_realloc(pkt, pkt_len))) {
diff --git a/net-mgmt/net-snmp53/files/patch-snmp_agent.c b/net-mgmt/net-snmp53/files/patch-snmp_agent.c
new file mode 100644
index 000000000000..735b7fbbc753
--- /dev/null
+++ b/net-mgmt/net-snmp53/files/patch-snmp_agent.c
@@ -0,0 +1,10 @@
+--- agent/snmp_agent.c.orig	Tue Mar 22 11:11:51 2005
++++ agent/snmp_agent.c	Tue Mar 22 11:12:29 2005
+@@ -825,6 +825,7 @@
+             return 0;
+         }
+     } else {
++	SNMP_FREE(addr_string);
+         if (hosts_ctl("snmpd", STRING_UNKNOWN, STRING_UNKNOWN, STRING_UNKNOWN)){
+             snmp_log(allow_severity, "Connection from <UNKNOWN>\n");
+             addr_string = strdup("<UNKNOWN>");