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--- snmp.c.orig Tue Jul 20 17:51:25 2004
+++ snmp.c Thu Nov 2 13:35:27 2006
@@ -1214,6 +1214,8 @@
{
SESSION *sd = method->sd;
int reqid;
+ struct sockaddr_in *from;
+ char ipaddr[20];
/* sanity check */
if (!sd) return;
@@ -1225,7 +1227,13 @@
snmp_reply(errno, sd, 0);
return;
}
-
+ /* bind datagram socket to local source address */
+ from = (struct sockaddr_in *)&sd->me;
+ if ( from->sin_addr.s_addr != INADDR_ANY ) {
+ if( bind(sd->sock, &sd->me, sizeof(struct sockaddr) ) == -1 )
+ report(LOG_WARNING, "snmp_start : bind failed for %s: %s",
+ intoa(ipaddr,from->sin_addr), strerror(*(__error())) );
+ }
/* turn on non-blocking I/O */
if (set_socket_async(sd->sock, TRUE) < 0) {
snmp_reply(errno, sd, 0);
@@ -1290,7 +1298,7 @@
METHOD *method;
{
SESSION template;
- struct sockaddr_in *to;
+ struct sockaddr_in *to, *from;
dprintf(("snmp_init(%s/%s)\n", target->name, method->name));
@@ -1305,6 +1313,10 @@
to->sin_family = AF_INET;
to->sin_port = htons(method->rport);
to->sin_addr = method->address ? method->ip_addr : target->ip_addr;
+ from = (struct sockaddr_in *)&template.me;
+ bzero((char *)from, sizeof(struct sockaddr_in ));
+ from->sin_family = AF_INET;
+ from->sin_addr = target->ip_srcaddr;
template.timeout = method->timeout * 1000000L; /* make microseconds */
template.retries = method->retries;
template.send = snmp_send;
@@ -1334,6 +1346,7 @@
IPPROTO_UDP, /* network protocol */
SNMPSERVER_PORT,/* server port */
0, 0, /* timeout and retries undefined yet */
+ NULL,NULL, /* when variables unused */
{ SNMP_VERSION_1,/* version number */
0 }, /* no parameter used */
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