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/*
* Smux module authored by Rohit Dube.
* Rewritten by Nick Amato <naamato@merit.net>.
*/
#ifndef NETSNMP_TRANSPORT_IPV4BASE_DOMAIN
config_error(smux/smux depends on the IPv4Base transport domain)
#endif
config_belongs_in(agent_module)
#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 void real_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);
/* Add socket-fd to list */
int smux_snmp_select_list_add(int sd);
/* Remove socket-fd from list */
int smux_snmp_select_list_del(int sd);
/* Returns the count of added socket-fd's in the list */
int smux_snmp_select_list_get_length(void);
/* Returns the socket-fd number from the position of the list */
int smux_snmp_select_list_get_SD_from_List(int pos);
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