diff options
Diffstat (limited to 'src/proto.h')
| -rw-r--r-- | src/proto.h | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/src/proto.h b/src/proto.h index 0ce887e..0336c0c 100644 --- a/src/proto.h +++ b/src/proto.h @@ -1,16 +1,36 @@ #pragma once #include "routing.h" +#include "sha256.h" #include <sys/socket.h> #include <arpa/inet.h> +#define TOKEN_ITMO 20 +#define TOKEN_VTMO 60 +#define TOKEN_TLEN 32 +#define TOKEN_KNUM (TOKEN_VTMO/TOKEN_ITMO) + +#define TOK_VALI 1 +#define TOK_INVA 0 + +struct tokens { + SHA256_CTX ctx; + + char ticket[TOKEN_KNUM][TOKEN_TLEN]; + time_t issued[TOKEN_KNUM]; + size_t head; +}; + +void token_create(struct tokens* tokens, time_t now, struct addr* remote, char* token); +int token_validate(struct tokens* tokens, time_t now, struct addr* remote, char* token); + // 192.0.2.0 #define UNDEF_ADDR (struct in_addr){0xC0000200} #define MAX_DISC 32 -#define MAX_INFLIGHT 32 +#define MAX_INFLIGHT 128 -#define PROTO_UNCTM 60 -#define PROTO_TMOUT 5 +#define PROTO_UNCTM 60*5 +#define PROTO_TMOUT 30 struct ping { struct nodeid remote_id; @@ -46,24 +66,13 @@ struct dht { tmout* timeout_fun; union message_cont cont; } requestdata[MAX_INFLIGHT]; + + time_t wake; + struct tokens tokens; }; -// @HACK: This isn't true anymore -// The longest message we can send is probably a response to find_node which -// consists of: -// d1:t <-- 4 bytes -// <tid length> <-- 2 bytes -// : <-- 1 byte -// <tid> <-- 16 bytes* -// 1:y1:r1:r <-- 9 bytes -// d2:id20: <-- 8 bytes -// <our nodeid> <-- 20 bytes -// 5:nodes208: <-- 11 bytes -// <payload> <-- 208 bytes -// ee <-- 2 bytes -// TOTAL 281 bytes struct message { - char payload[281]; + char payload[1024]; size_t payload_len; struct sockaddr_storage dest; socklen_t dest_len; |