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Client now regenerates verif-time on con attempt

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This commit is contained in:
Stephen Seo 2020-01-05 14:42:57 +09:00
parent 42fde9a2d0
commit 3ade637205
1 changed files with 20 additions and 21 deletions
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41
src/UDPConnection.cpp
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@ -316,24 +316,6 @@ void UDPC::Context::update_impl() {
continue;
}
newCon.sent = std::chrono::steady_clock::now() - UDPC::INIT_PKT_INTERVAL_DT;
if(flags.test(2) && newCon.flags.test(6)) {
// set up verification string to send to server
std::time_t time = std::time(nullptr);
if(time <= 0) {
UDPC_CHECK_LOG(this, UDPC_LoggingType::UDPC_ERROR,
"Failed to get current epoch time");
continue;
}
uint64_t timeInt = time;
#ifndef NDEBUG
UDPC_CHECK_LOG(this, UDPC_LoggingType::UDPC_DEBUG,
"Client set up verification epoch time \"",
timeInt, "\"");
#endif
UDPC::be64((char*)&timeInt);
newCon.verifyMessage = std::unique_ptr<char[]>(new char[8]);
std::memcpy(newCon.verifyMessage.get(), &timeInt, 8);
}
if(conMap.find(optE->conId) == conMap.end()) {
conMap.insert(std::make_pair(
@ -660,8 +642,6 @@ void UDPC::Context::update_impl() {
unsigned int sendSize = 0;
if(flags.test(2) && iter->second.flags.test(6)) {
#ifdef UDPC_LIBSODIUM_ENABLED
assert(iter->second.verifyMessage
&& "Verify message should already exist");
sendSize = UDPC_CCL_HEADER_SIZE;
buf = std::unique_ptr<char[]>(new char[sendSize]);
// set type 1
@ -672,9 +652,28 @@ void UDPC::Context::update_impl() {
iter->second.pk,
crypto_sign_PUBLICKEYBYTES);
// set verify message
std::time_t time = std::time(nullptr);
if(time <= 0) {
UDPC_CHECK_LOG(this, UDPC_LoggingType::UDPC_ERROR,
"Failed to get current epoch time");
continue;
}
uint64_t timeInt = time;
# ifndef NDEBUG
UDPC_CHECK_LOG(this, UDPC_LoggingType::UDPC_DEBUG,
"Client set up verification epoch time \"",
timeInt, "\"");
# endif
UDPC::be64((char*)&timeInt);
iter->second.verifyMessage =
std::unique_ptr<char[]>(new char[8]);
std::memcpy(
iter->second.verifyMessage.get(),
&timeInt,
8);
std::memcpy(
buf.get() + UDPC_MIN_HEADER_SIZE + 4 + crypto_sign_PUBLICKEYBYTES,
iter->second.verifyMessage.get(),
&timeInt,
8);
#else
assert(!"libsodium is disabled, invalid state");