auth-snmp: allow specifying management network prefix

So we don't go and try querying untrusted LLDP capable devices in
non-managed subnets.

1 files changed, 12 insertions, 1 deletions

diff --git a/src/addr.h b/src/addr.h
index 452d14b..945e03b 100644
--- a/src/addr.h
+++ b/src/addr.h
@@ -10,11 +10,22 @@ typedef union {
 } sockaddr_any;
 
 int addr_len(const sockaddr_any *addr);
-sockaddr_any *addr_parse(blob_t text, sockaddr_any *addr);
+sockaddr_any *addr_parse_prefix(blob_t text, sockaddr_any *addr, uint8_t *prefix);
 unsigned long addr_hash(const sockaddr_any *addr);
 const char *addr_print(const sockaddr_any *addr);
 blob_t addr_get_hostaddr_blob(const sockaddr_any *addr);
 void addr_push_hostaddr(blob_t *b, const sockaddr_any *addr);
+int addr_prefix_cmp(const sockaddr_any *a, const sockaddr_any *b, int prefix);
+
+static inline void addr_invalidate(sockaddr_any *addr)
+{
+	addr->any.sa_family = AF_UNSPEC;
+}
+
+static inline sockaddr_any *addr_parse(blob_t b, sockaddr_any *addr)
+{
+	return addr_parse_prefix(b, addr, NULL);
+}
 
 static inline void addr_copy(sockaddr_any *dst, const sockaddr_any *src)
 {