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/* API for probe.c */
#ifndef PROBE_H
#define PROBE_H
#include "common.h"
#include "tls.h"
#include "log.h"
typedef enum {
PROBE_NEXT, /* Enough data, probe failed -- it's some other protocol */
PROBE_MATCH, /* Enough data, probe successful -- it's the current protocol */
PROBE_AGAIN, /* Not enough data for this probe, try again with more data */
} probe_result;
struct sslhcfg_protocols_item;
typedef int T_PROBE(const char*, ssize_t, struct sslhcfg_protocols_item*);
struct protocol_probe_desc {
const char* name;
T_PROBE* probe;
};
#include "sslh-conf.h"
/* Returns a pointer to the array of builtin protocols */
struct protocol_probe_desc* get_builtins(void);
/* Returns the number of builtin protocols */
int get_num_builtins(void);
/* Returns the probe for specified protocol */
T_PROBE* get_probe(const char* description);
/* Returns the head of the configured protocols */
struct sslhcfg_protocols_item* get_first_protocol(void);
/* Set the list of configured protocols */
void set_protocol_list(struct sslhcfg_protocols_item*);
/* probe_client_protocol
*
* Read the beginning of data coming from the client connection and check if
* it's a known protocol. Then leave the data on the deferred
* write buffer of the connection and returns a pointer to the protocol
* structure
*/
int probe_client_protocol(struct connection *cnx);
/* Probe on a buffer */
int probe_buffer(char* buf, int len,
struct sslhcfg_protocols_item** proto_in,
int proto_len,
struct sslhcfg_protocols_item** proto_out
);
/* set the protocol to connect to in case of timeout */
void set_ontimeout(const char* name);
/* timeout_protocol
*
* Returns the protocol to connect to in case of timeout
*/
struct sslhcfg_protocols_item* timeout_protocol(void);
void hexdump(msg_info, const char*, unsigned int);
#endif
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