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Code Issues Releases Wiki Activity

Guard server against null signature

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This commit is contained in:
Michał Janiszewski
2016-06-23 21:09:57 +02:00
committed by Ted John
parent ff247ca5de
commit 9041551b97
1 changed files with 2 additions and 2 deletions
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4
src/network/network.cpp
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@@ -1515,9 +1515,9 @@ void Network::Server_Handle_AUTH(NetworkConnection& connection, NetworkPacket& p
} else {
const char *signature = (const char *)packet.Read(sigsize);
SDL_RWops *pubkey_rw = SDL_RWFromConstMem(pubkey, strlen(pubkey));
if (pubkey_rw == nullptr) {
if (signature == nullptr || pubkey_rw == nullptr) {
connection.AuthStatus = NETWORK_AUTH_VERIFICATIONFAILURE;
log_verbose("Signature verification failed!");
log_verbose("Signature verification failed, invalid data!");
} else {
connection.Key.LoadPublic(pubkey_rw);
SDL_RWclose(pubkey_rw);