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Fix bugs and simplify the blocking code.

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This commit is contained in:
Jonathan Naylor 2021-02-14 19:06:28 +00:00
parent d0602d9aa6
commit 6c3af73383
2 changed files with 41 additions and 56 deletions
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88
YSFReflector/YSFReflector.cpp
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@ -200,7 +200,6 @@ void CYSFReflector::run()
unsigned char dst[YSF_CALLSIGN_LENGTH];
bool blocked = false;
bool checked = false;
for (;;) {
unsigned char buffer[200U];
@ -237,58 +236,49 @@ void CYSFReflector::run()
}
network.setCount(m_repeaters.size());
} else if (::memcmp(buffer + 0U, "YSFD", 4U) == 0 && rpt != NULL) {
// Check for a change of user
if (watchdogTimer.isRunning() && ::memcmp(tag, buffer + 4U, YSF_CALLSIGN_LENGTH) == 0) {
if (::memcmp(buffer + 14U, " ", YSF_CALLSIGN_LENGTH) != 0 && ::memcmp(src, "??????????", YSF_CALLSIGN_LENGTH) == 0)
checked = false;
if (!watchdogTimer.isRunning()) {
::memcpy(tag, buffer + 4U, YSF_CALLSIGN_LENGTH);
if (::memcmp(buffer + 24U, " ", YSF_CALLSIGN_LENGTH) != 0 && ::memcmp(dst, "??????????", YSF_CALLSIGN_LENGTH) == 0)
checked = false;
}
if (::memcmp(buffer + 14U, " ", YSF_CALLSIGN_LENGTH) != 0)
::memcpy(src, buffer + 14U, YSF_CALLSIGN_LENGTH);
else
::memcpy(src, "??????????", YSF_CALLSIGN_LENGTH);
// Is this user allowed?
if (!checked) {
blocked = blockList.check(buffer + 14U);
checked = true;
if (::memcmp(buffer + 24U, " ", YSF_CALLSIGN_LENGTH) != 0)
::memcpy(dst, buffer + 24U, YSF_CALLSIGN_LENGTH);
else
::memcpy(dst, "??????????", YSF_CALLSIGN_LENGTH);
blocked = blockList.check(src);
if (blocked)
LogDebug("Data from %10.10s at %10.10s blocked", buffer + 14U, buffer + 4U);
LogMessage("Data from %10.10s at %10.10s blocked", src, tag);
else
LogMessage("Received data from %10.10s to %10.10s at %10.10s", src, dst, tag);
} else {
if (::memcmp(tag, buffer + 4U, YSF_CALLSIGN_LENGTH) == 0) {
bool changed = false;
if (::memcmp(buffer + 14U, " ", YSF_CALLSIGN_LENGTH) != 0 && ::memcmp(src, "??????????", YSF_CALLSIGN_LENGTH) == 0) {
::memcpy(src, buffer + 14U, YSF_CALLSIGN_LENGTH);
changed = true;
}
if (::memcmp(buffer + 24U, " ", YSF_CALLSIGN_LENGTH) != 0 && ::memcmp(dst, "??????????", YSF_CALLSIGN_LENGTH) == 0) {
::memcpy(dst, buffer + 24U, YSF_CALLSIGN_LENGTH);
changed = true;
}
if (changed) {
blocked = blockList.check(src);
if (blocked)
LogMessage("Data from %10.10s at %10.10s blocked", src, tag);
else
LogMessage("Received data from %10.10s to %10.10s at %10.10s", src, dst, tag);
}
}
}
if (!blocked) {
if (!watchdogTimer.isRunning()) {
::memcpy(tag, buffer + 4U, YSF_CALLSIGN_LENGTH);
if (::memcmp(buffer + 14U, " ", YSF_CALLSIGN_LENGTH) != 0)
::memcpy(src, buffer + 14U, YSF_CALLSIGN_LENGTH);
else
::memcpy(src, "??????????", YSF_CALLSIGN_LENGTH);
if (::memcmp(buffer + 24U, " ", YSF_CALLSIGN_LENGTH) != 0)
::memcpy(dst, buffer + 24U, YSF_CALLSIGN_LENGTH);
else
::memcpy(dst, "??????????", YSF_CALLSIGN_LENGTH);
LogMessage("Received data from %10.10s to %10.10s at %10.10s", src, dst, buffer + 4U);
} else {
if (::memcmp(tag, buffer + 4U, YSF_CALLSIGN_LENGTH) == 0) {
bool changed = false;
if (::memcmp(buffer + 14U, " ", YSF_CALLSIGN_LENGTH) != 0 && ::memcmp(src, "??????????", YSF_CALLSIGN_LENGTH) == 0) {
::memcpy(src, buffer + 14U, YSF_CALLSIGN_LENGTH);
changed = true;
}
if (::memcmp(buffer + 24U, " ", YSF_CALLSIGN_LENGTH) != 0 && ::memcmp(dst, "??????????", YSF_CALLSIGN_LENGTH) == 0) {
::memcpy(dst, buffer + 24U, YSF_CALLSIGN_LENGTH);
changed = true;
}
if (changed)
LogMessage("Received data from %10.10s to %10.10s at %10.10s", src, dst, buffer + 4U);
}
}
watchdogTimer.start();
for (std::vector<CYSFRepeater*>::const_iterator it = m_repeaters.begin(); it != m_repeaters.end(); ++it) {
@ -297,9 +287,6 @@ void CYSFReflector::run()
}
if ((buffer[34U] & 0x01U) == 0x01U) {
blocked = false;
checked = false;
LogMessage("Received end of transmission");
watchdogTimer.stop();
}
@ -336,9 +323,6 @@ void CYSFReflector::run()
watchdogTimer.clock(ms);
if (watchdogTimer.isRunning() && watchdogTimer.hasExpired()) {
checked = false;
blocked = false;
LogMessage("Network watchdog has expired");
watchdogTimer.stop();
}