mirror of https://github.com/D4-project/d4-core
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
#ifndef D4_H
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#define D4_H
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#include "others/hmac/hmac_sha2.h"
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#define ND4PARAMS 7
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#define NERRORS 100
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#define SZCONFVALUE 1024
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#define SZERRVALUE 1024
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#define SZHMAC 32
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#define STDIN "stdin"
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#define STDOUT "stdout"
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#define MAXSNAPLEN 65535
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#define SZUUID 16
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#define SZUUID_TEXT 37
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#define SZD4HDR 62
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#define INSERT_ERROR(...) do { \
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if (d4->err_idx < NERRORS) \
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snprintf(d4->errors[d4->err_idx],SZERRVALUE,__VA_ARGS__); \
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d4->err_idx++;\
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} while(0)
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typedef struct d4_header_s {
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uint8_t version;
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uint8_t type;
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uint8_t uuid[SZUUID];
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uint64_t timestamp;
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uint8_t hmac[SZHMAC];
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uint32_t size;
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} d4_header_t;
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// Information about the source
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typedef struct source_s {
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int fd;
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} source_t;
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//Information about the destination
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//Write data to stdout, fifo, shared memory segment
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typedef struct destination_s {
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int fd;
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} destination_t;
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typedef struct d4_s {
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source_t source;
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destination_t destination;
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char confdir[FILENAME_MAX];
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int snaplen;
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int caplen;
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int d4_error;
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int errno_copy;
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char conf[ND4PARAMS][SZCONFVALUE];
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char errors[NERRORS][SZERRVALUE];
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int err_idx;
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d4_header_t header;
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hmac_sha256_ctx *ctx;
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} d4_t;
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/* D4 configuration is a directory structure shown below (like proc filesytem)
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* d4-conf/snaplen
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* d4-conf/caplen
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* d4-conf/uuid
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* d4-conf/collector
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*/
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const char* d4params[] = {"uuid", "snaplen", "key", "version", "source", "destination","type"};
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#define UUID 0
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#define SNAPLEN 1
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#define KEY 2
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#define VERSION 3
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#define SOURCE 4
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#define DESTINATION 5
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#define TYPE 6
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#endif
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