--- /dev/null
+/*
+ * Smux module authored by Rohit Dube.
+ * Rewritten by Nick Amato <naamato@merit.net>.
+ */
+
+#define SMUXPORT 199
+
+#define SMUXMAXPKTSIZE 1500
+#define SMUXMAXSTRLEN 1024
+#define SMUXMAXPEERS 10
+
+#define SMUX_OPEN (ASN_APPLICATION | ASN_CONSTRUCTOR | 0)
+#define SMUX_CLOSE (ASN_APPLICATION | ASN_PRIMITIVE | 1)
+#define SMUX_RREQ (ASN_APPLICATION | ASN_CONSTRUCTOR | 2)
+#define SMUX_RRSP (ASN_APPLICATION | ASN_PRIMITIVE | 3)
+#define SMUX_SOUT (ASN_APPLICATION | ASN_PRIMITIVE | 4)
+
+#define SMUX_GET (ASN_CONTEXT | ASN_CONSTRUCTOR | 0)
+#define SMUX_GETNEXT (ASN_CONTEXT | ASN_CONSTRUCTOR | 1)
+#define SMUX_GETRSP (ASN_CONTEXT | ASN_CONSTRUCTOR | 2)
+#define SMUX_SET (ASN_CONTEXT | ASN_CONSTRUCTOR | 3)
+#define SMUX_TRAP (ASN_CONTEXT | ASN_CONSTRUCTOR | 4)
+
+#define SMUXC_GOINGDOWN 0
+#define SMUXC_UNSUPPORTEDVERSION 1
+#define SMUXC_PACKETFORMAT 2
+#define SMUXC_PROTOCOLERROR 3
+#define SMUXC_INTERNALERROR 4
+#define SMUXC_AUTHENTICATIONFAILURE 5
+
+#define SMUX_MAX_PEERS 10
+#define SMUX_MAX_PRIORITY 2147483647
+
+#define SMUX_REGOP_DELETE 0
+#define SMUX_REGOP_REGISTER_RO 1
+#define SMUX_REGOP_REGISTER_RW 2
+
+/*
+ * Authorized peers read from the config file
+ */
+typedef struct _smux_peer_auth {
+ oid sa_oid[MAX_OID_LEN]; /* name of peer */
+ size_t sa_oid_len; /* length of peer name */
+ char sa_passwd[SMUXMAXSTRLEN]; /* configured passwd */
+ int sa_active_fd; /* the peer using this auth */
+} smux_peer_auth;
+
+/*
+ * Registrations
+ */
+typedef struct _smux_reg {
+ oid sr_name[MAX_OID_LEN]; /* name of subtree */
+ size_t sr_name_len; /* length of subtree name */
+ int sr_priority; /* priority of registration */
+ int sr_fd; /* descriptor of owner */
+ struct _smux_reg *sr_next; /* next one */
+} smux_reg;
+
+extern void init_smux(void);
+extern int smux_accept(int);
+extern u_char *smux_snmp_process(int, oid *, size_t *, size_t *, u_char *,
+ int);
+extern int smux_process(int);
+extern void smux_parse_peer_auth(const char *, char *);
+extern void smux_free_peer_auth(void);
+extern void send_enterprise_trap_vars(int, int, oid *, int,
+ netsnmp_variable_list *);