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DcruBro
2026-06-05 14:03:02 +02:00
commit e7bf726adb
17 changed files with 2714 additions and 0 deletions
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42
include/forward/if/interface.h Normal file
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#ifndef INTERFACE_H
#define INTERFACE_H
#include <arpa/inet.h>
#include <stddef.h>
#include <stdint.h>
typedef struct interface_v4 interface_v4_t;
typedef struct interface_v6 interface_v6_t;
typedef struct interface_packet {
sa_family_t family;
const uint8_t* data;
size_t length;
struct sockaddr_storage source;
struct sockaddr_storage destination;
} interface_packet_t;
typedef void (*interface_packet_callback_t)(const interface_packet_t* packet, void* userData);
int Interface_Init(void);
void Interface_Cleanup(void);
interface_v4_t* Interface_Create_v4(const char* localAddress, interface_packet_callback_t callback, void* userData);
interface_v6_t* Interface_Create_v6(const char* localAddress, interface_packet_callback_t callback, void* userData);
int Interface_Listen_v4(interface_v4_t* iface);
int Interface_Listen_v6(interface_v6_t* iface);
void Interface_Stop_v4(interface_v4_t* iface);
void Interface_Stop_v6(interface_v6_t* iface);
void Interface_Destroy_v4(interface_v4_t* iface);
void Interface_Destroy_v6(interface_v6_t* iface);
int Interface_SendRaw_v4(interface_v4_t* iface, const struct in_addr* destination, const void* packet, size_t packetLength);
int Interface_SendRaw_v6(interface_v6_t* iface, const struct in6_addr* destination, const void* packet, size_t packetLength);
int Interface_SendFrame_v4(interface_v4_t* iface, const void* frame, size_t frameLength);
int Interface_SendFrame_v6(interface_v6_t* iface, const void* frame, size_t frameLength);
#endif

30
include/forward/routetable.h Normal file
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#ifndef ROUTETABLE_H
#define ROUTETABLE_H
#include <stdint.h>
#include <libart/art.h>
typedef struct {
uint32_t destination;
uint32_t mask;
uint32_t nextHop;
} route_table_v4_entry_t;
typedef struct {
__uint128_t destination;
__uint128_t mask;
__uint128_t nextHop;
} route_table_v6_entry_t;
// General rule: 0 = success, -1 = failure (Note: per-function return values may vary, will be documented in the .c file)
int RouteTable_Init(void);
void RouteTable_Cleanup(void);
int RouteTable_AddRoute_v4(uint32_t destination, uint32_t mask, uint32_t nextHop);
int RouteTable_AddRoute_v6(__uint128_t destination, __uint128_t mask, __uint128_t nextHop);
// GetNextHop performs longest prefix match; writes best matching next hop into *nextHop
int RouteTable_GetNextHop_v4(uint32_t destination, uint32_t* nextHop);
int RouteTable_GetNextHop_v6(__uint128_t destination, __uint128_t* nextHop);
#endif