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Preliminary IPC IPv6 implementation (untested)

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This commit is contained in:
Evengard
2020-05-11 16:35:33 +03:00
parent 8fdf7302a5
commit 1d6a4d3ec8
9 changed files with 785 additions and 126 deletions
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49
src/Cedar/IPC.h
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@ -24,6 +24,12 @@
#define IPC_LAYER_2 2
#define IPC_LAYER_3 3
// IPv6 constants
#define IPC_IPV6_NDT_LIFETIME (30 * 1000) // as per REACHABLE_TIME constant of RFC4861
#define IPC_IPV6_NDT_GIVEUPTIME (3 * 1000) // as per MAX_MULTICAST_SOLICIT * RETRANS_TIMER constants of RFC4861
#define IPC_IPV6_RA_INTERVAL (4 * 1000) // as per RTR_SOLICITATION_INTERVAL constant of RFC4861
#define IPC_IPV6_RA_MAX_RETRIES 3 // as per MAX_RTR_SOLICITATIONS constant of RFC4861
// ARP table entry
struct IPC_ARP
{
@ -117,6 +123,13 @@ struct IPC
SHARED_BUFFER *IpcSessionSharedBuffer; // A shared buffer between IPC and Session
IPC_SESSION_SHARED_BUFFER_DATA *IpcSessionShared; // Shared data between IPC and Session
UINT Layer;
// IPv6 stuff
QUEUE* IPv6ReceivedQueue; // IPv6 reception queue
LIST* IPv6NeighborTable; // Neighbor Discovery Table
LIST* IPv6RouterAdvs; // Router offered prefixes
UINT64 IPv6ClientEUI; // The EUI of the client (for the SLAAC autoconf)
UINT64 IPv6ServerEUI; // The EUI of the server (from the RA discovery)
};
// MS-CHAPv2 authentication information
@ -129,6 +142,15 @@ struct IPC_MSCHAP_V2_AUTHINFO
EAP_CLIENT *MsChapV2_EapClient; // EAP client
};
struct IPC_IPV6_ROUTER_ADVERTISEMENT
{
IP RoutedPrefix;
IP RoutedMask;
IP RouterAddress;
UCHAR RouterMacAddress[6];
UCHAR RouterLinkLayerAddress[6];
};
IPC *NewIPC(CEDAR *cedar, char *client_name, char *postfix, char *hubname, char *username, char *password,
UINT *error_code, IP *client_ip, UINT client_port, IP *server_ip, UINT server_port,
char *client_hostname, char *crypt_name,
@ -151,15 +173,15 @@ IPC_ARP *IPCNewARP(IP *ip, UCHAR *mac_address);
void IPCFreeARP(IPC_ARP *a);
int IPCCmpArpTable(void *p1, void *p2);
void IPCSendIPv4Unicast(IPC *ipc, void *data, UINT size, IP *next_ip);
IPC_ARP *IPCSearchArpTable(IPC *ipc, IP *ip);
IPC_ARP *IPCSearchArpTable(LIST* arpTable, IP *ip);
void IPCSendIPv4WithDestMacAddr(IPC *ipc, void *data, UINT size, UCHAR *dest_mac_addr);
void IPCFlushArpTable(IPC *ipc);
void IPCFlushArpTableEx(IPC *ipc, UINT64 now);
void IPCProcessArp(IPC *ipc, BLOCK *b);
void IPCAssociateOnArpTable(IPC *ipc, IP *ip, UCHAR *mac_address);
bool IsValidUnicastMacAddress(UCHAR *mac);
bool IsValidUnicastIPAddress4(IP *ip);
bool IsValidUnicastIPAddressUINT4(UINT ip);
DHCPV4_DATA *IPCSendDhcpRequest(IPC *ipc, IP *dest_ip, UINT tran_id, DHCP_OPTION_LIST *opt, UINT expecting_code, UINT timeout, TUBE *discon_poll_tube);
BUF *IPCBuildDhcpRequest(IPC *ipc, IP *dest_ip, UINT tran_id, DHCP_OPTION_LIST *opt);
BUF *IPCBuildDhcpRequestOptions(IPC *ipc, DHCP_OPTION_LIST *opt);
@ -171,6 +193,25 @@ IPC_ASYNC *NewIPCAsync(CEDAR *cedar, IPC_PARAM *param, SOCK_EVENT *sock_event);
void IPCAsyncThreadProc(THREAD *thread, void *param);
void FreeIPCAsync(IPC_ASYNC *a);
// IPv6 stuff
// Memory management
void IPCIPv6Init(IPC* ipc);
void IPCIPv6Free(IPC* ipc);
// NDT
void IPCIPv6AssociateOnNDT(IPC* ipc, IP* ip, UCHAR* mac_address);
void IPCIPv6AssociateOnNDTEx(IPC* ipc, IP* ip, UCHAR* mac_address, bool isNeighborAdv);
void IPCIPv6FlushNDT(IPC* ipc);
void IPCIPv6FlushNDTEx(IPC* ipc, UINT64 now);
// RA
void IPCIPv6AddRouterPrefix(IPC* ipc, ICMPV6_OPTION_LIST* recvPrefix, UCHAR* macAddress, IP* ip);
bool IPCIPv6CheckUnicastFromRouterPrefix(IPC* ipc, IP* ip, IPC_IPV6_ROUTER_ADVERTISEMENT* matchedRA);
void IPCIPv6SendRouterSolicitation(IPC* ipc);
// Data flow
BLOCK* IPCIPv6Recv(IPC* ipc);
void IPCIPv6Send(IPC* ipc, void* data, UINT size);
void IPCIPv6SendWithDestMacAddr(IPC* ipc, void* data, UINT size, UCHAR* dest_mac_addr);
void IPCIPv6SendUnicast(IPC* ipc, void* data, UINT size, IP* next_ip);
bool ParseAndExtractMsChapV2InfoFromPassword(IPC_MSCHAP_V2_AUTHINFO *d, char *password);
#endif // IPC_H