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Implement support for IP_ANY_TYPE in SNMP

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This commit is contained in:
Dirk Ziegelmeier 2016-02-28 21:35:54 +01:00
parent 6aed6e659f
commit 2289673a30
1 changed files with 21 additions and 4 deletions
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25
src/apps/snmp/snmp_core.c
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@ -230,7 +230,11 @@ snmp_ip_port_to_oid(const ip_addr_t *ip, u16_t port, u32_t *oid)
u8_t
snmp_ip_to_oid(const ip_addr_t *ip, u32_t *oid)
{
if(IP_IS_V6(ip)) {
if(IP_IS_ANY_TYPE_VAL(*ip)) {
oid[0] = 0; /* any */
oid[1] = 0; /* no IP OIDs follow */
return 2;
} else if(IP_IS_V6(ip)) {
#if LWIP_IPV6
oid[0] = 2; /* ipv6 */
oid[1] = 16; /* 16 InetAddressIPv6 OIDs follow */
@ -266,9 +270,22 @@ snmp_oid_to_ip(const u32_t *oid, u8_t oid_len, ip_addr_t *ip)
return 0;
}
if (oid[0] == 1) { /* ipv4 */
if (oid[0] == 0) { /* any */
/* 1x InetAddressType, 1x OID len */
if(oid_len < 2) {
return 0;
}
if(oid[1] != 0) {
return 0;
}
memset(ip, 0, sizeof(*ip));
IP_SET_TYPE(ip, IPADDR_TYPE_ANY);
return 0;
} else if (oid[0] == 1) { /* ipv4 */
#if LWIP_IPV4
/* 1x InetAddressType, 4x InetAddressIPv4 */
/* 1x InetAddressType, 1x OID len, 4x InetAddressIPv4 */
if(oid_len < 6) {
return 0;
}
@ -289,7 +306,7 @@ snmp_oid_to_ip(const u32_t *oid, u8_t oid_len, ip_addr_t *ip)
#endif /* LWIP_IPV4 */
} else if(oid[0] == 2) { /* ipv6 */
#if LWIP_IPV6
/* 1x InetAddressType, 16x InetAddressIPv6 */
/* 1x InetAddressType, 1x OID len, 16x InetAddressIPv6 */
if(oid_len < 18) {
return 0;
}