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/* vim: set sw=4 ts=4 sts=4 et: */
#ifndef FALGPROTO_H
#define FALGPROTO_H
#include <stdbool.h>
#include <stdio.h>
typedef enum falgproto_type {
FALGPROTO_TYPE_HTTP,
FALGPROTO_TYPE_HTTPS,
FALGPROTO_TYPE_DNS,
FALGPROTO_TYPE_FTP,
FALGPROTO_TYPE_SSH,
FALGPROTO_TYPE_LDAP,
FALGPROTO_TYPE_MAX
} FalgprotoType;
typedef enum falgproto_transport {
FALGPROTO_TRANSPORT_TCP,
FALGPROTO_TRANSPORT_UDP
} FalgprotoTransport;
typedef struct falgproto_packet {
struct falgproto_packet* next;
void* data; /* unused (may be used by caller to store data) */
char* payload; /* packet payload */
size_t len; /* packet payload length */
} FalgprotoPacket;
typedef struct falgproto_param {
char* param; /* parameter (may not be NULL-terminated) */
size_t len; /* parameter length */
bool dup; /* whether the parameter is malloc()-ed */
int result; /* error code listed below */
} FalgprotoParam;
#define FALGPROTO_PARAM_RESULT_BAD_FORMAT -3 /* ERROR: bad packet format */
#define FALGPROTO_PARAM_RESULT_NOT_FOUND -2 /* ERROR: param is missing */
#define FALGPROTO_PARAM_RESULT_ERROR -1 /* ERROR: internal system error */
#define FALGPROTO_PARAM_RESULT_OK 0 /* param has successfully got */
#define FALGPROTO_PARAM_RESULT_TRUNCATED 1 /* needs more data */
typedef FalgprotoParam (*FalgprotoParamGetter) (FalgprotoPacket *pkt);
typedef void (*FalgprotoPrinter) (FILE *fp, FalgprotoPacket *pkt);
typedef bool (*FalgprotoMatcher) (
const char *big, size_t big_len, const char *little, size_t little_len);
#define FALGPROTO_PARAM_GETTER_NAME(type) falgproto_##type##_param_getter
#define FALGPROTO_PARAM_GETTER_DECL(type) \
FalgprotoParam FALGPROTO_PARAM_GETTER_NAME(type)(FalgprotoPacket *pkt)
#define FALGPROTO_PRINTER_NAME(type) falgproto_##type##_printer
#define FALGPROTO_PRINTER_DECL(type) \
void FALGPROTO_PRINTER_NAME(type)(FILE *fp, FalgprotoPacket *pkt)
#define FALGPROTO_MATCHER_NAME(type) falgproto_##type##_matcher
#define FALGPROTO_MATCHER_DECL(type) \
bool FALGPROTO_MATCHER_NAME(type) \
(const char *big, size_t big_len, const char *little, size_t little_len)
unsigned falgproto_get_count (void);
int falgproto_get_protocol (const char *name);
const char* falgproto_get_name (FalgprotoType protocol);
const char* falgproto_get_description (FalgprotoType protocol);
FalgprotoTransport falgproto_get_transport (FalgprotoType protocol);
FalgprotoParamGetter falgproto_get_param_getter (FalgprotoType protocol);
FalgprotoPrinter falgproto_get_printer (FalgprotoType protocol);
FalgprotoMatcher falgproto_get_matcher (FalgprotoType protocol);
#endif /* FALGPROTO_H */
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