mirror of https://github.com/CPunch/Laika.git
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
#ifndef LAIKA_PACKET_H
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#define LAIKA_PACKET_H
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#define LAIKA_MAGIC "LAI\x12"
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#define LAIKA_MAGICLEN 4
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#define LAIKA_MAX_PKTSIZE 4096
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#define LAIKA_HOSTNAME_LEN 64
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#define LAIKA_IPV4_LEN 16
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/* NONCE: randomly generated uint8_t[LAIKA_NONCESIZE] */
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/* first handshake between peer & cnc works as so:
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- peer connects to cnc and sends a LAIKAPKT_HANDSHAKE_REQ with the peer's pubkey
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- after cnc receives LAIKAPKT_HANDSHAKE_REQ, all packets are encrypted
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- cnc responds with LAIKAPKT_HANDSHAKE_RES
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- if peer is an authenticated client (panel), LAIKAPKT_AUTHENTICATED_HANDSHAKE_REQ is then sent
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*/
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enum {
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LAIKAPKT_HANDSHAKE_REQ,
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/* layout of LAIKAPKT_HANDSHAKE_REQ:
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* uint8_t laikaMagic[LAIKA_MAGICLEN];
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* uint8_t majorVer;
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* uint8_t minorVer;
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* uint8_t pubKey[crypto_kx_PUBLICKEYBYTES]; -- freshly generated pubKey to encrypt decrypted nonce with
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* char hostname[LAIKA_HOSTNAME_LEN];
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* char ipv4[LAIKA_IPV4_LEN];
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*/
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LAIKAPKT_HANDSHAKE_RES,
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/* layout of LAIKAPKT_HANDSHAKE_RES:
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* uint8_t endian;
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*/
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LAIKAPKT_AUTHENTICATED_HANDSHAKE_REQ,
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/* layout of LAIKAPKT_STAGE2_HANDSHAKE_REQ
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* uint8_t peerType;
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*/
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LAIKAPKT_AUTHENTICATED_ADD_PEER, /* notification that a peer has connected to the cnc */
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/* layout of LAIKAPKT_AUTHENTICATED_ADD_PEER
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* uint8_t pubKey[crypto_kx_PUBLICKEYBYTES]; -- pubkey of said bot
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* char hostname[LAIKA_HOSTNAME_LEN];
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* char ipv4[LAIKA_IPV4_LEN];
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* uint8_t peerType;
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*/
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LAIKAPKT_AUTHENTICATED_RMV_PEER, /* notification that a peer has disconnected from the cnc */
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/* layout of LAIKAPKT_AUTHENTICATED_RMV_PEER
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* uint8_t pubKey[crypto_kx_PUBLICKEYBYTES]; -- pubkey of said bot
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* uint8_t peerType;
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*/
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LAIKAPKT_VARPKT_REQ,
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/* layout of LAIKAPKT_VARPKT_REQ:
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* uint8_t pktID;
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* uint16_t pktSize;
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*/
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LAIKAPKT_MAXNONE
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};
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typedef uint8_t LAIKAPKT_ID;
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typedef uint16_t LAIKAPKT_SIZE;
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#endif |