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Adding pass/fail retry logic to connection attempts #4697 #4650

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This commit is contained in:
Adam Potolsky 2015-05-21 15:22:39 -07:00
parent 18d85f1b6b
commit e4f86a8934
2 changed files with 60 additions and 38 deletions
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94
src/lib/plugin/ns/SecureSocket.cpp
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@ -249,7 +249,7 @@ SecureSocket::createSSL()
}
}
bool
int
SecureSocket::secureAccept(int socket)
{
createSSL();
@ -269,24 +269,31 @@ SecureSocket::secureAccept(int socket)
// tell user and sleep so the socket isn't hammered.
LOG((CLOG_ERR "failed to accept secure socket"));
LOG((CLOG_INFO "client connection may not be secure"));
m_secureReady = false;
ARCH->sleep(1);
return -1; // Failed, error out
}
// If not fatal and no retry, state is good
if (retry == 0) {
m_secureReady = true;
}
else {
m_secureReady = false;
}
if (m_secureReady) {
LOG((CLOG_INFO "accepted secure socket"));
return 1;
}
return !m_secureReady;
// If not fatal and retry is set, not ready, and return retry
if (retry > 0) {
LOG((CLOG_DEBUG2 "retry accepting secure socket"));
m_secureReady = false;
return 0;
}
// no good state exists here
LOG((CLOG_ERR "unexpected state attempting to accept connection"));
return -1;
}
bool
int
SecureSocket::secureConnect(int socket)
{
createSSL();
@ -304,31 +311,32 @@ SecureSocket::secureConnect(int socket)
if (fatal) {
LOG((CLOG_ERR "failed to connect secure socket"));
LOG((CLOG_INFO "server connection may not be secure"));
return false;
return -1;
}
if (retry == 0) {
m_secureReady = true;
// If we should retry, not ready and return 0
if (retry > 0) {
LOG((CLOG_DEBUG2 "retry connect secure socket"));
m_secureReady = false;
return 0;
}
// No error, set ready, process and return ok
m_secureReady = true;
if (verifyCertFingerprint()) {
LOG((CLOG_INFO "connected to secure socket"));
if (!showCertificate()) {
disconnect();
return -1;// Cert fail, error
}
}
else {
m_secureReady = false;
LOG((CLOG_ERR "failed to verify server certificate fingerprint"));
disconnect();
return -1; // Fingerprint failed, error
}
if (m_secureReady) {
if (verifyCertFingerprint()) {
LOG((CLOG_INFO "connected to secure socket"));
if (!showCertificate()) {
disconnect();
}
}
else {
LOG((CLOG_ERR "failed to verify server certificate fingerprint"));
disconnect();
}
}
return !m_secureReady;
LOG((CLOG_DEBUG2 "connected secure socket"));
return 1;
}
bool
@ -545,14 +553,21 @@ SecureSocket::serviceConnect(ISocketMultiplexerJob* job,
{
Lock lock(&getMutex());
bool retry = true;
int status = 0;
#ifdef SYSAPI_WIN32
retry = secureConnect(static_cast<int>(getSocket()->m_socket));
status = secureConnect(static_cast<int>(getSocket()->m_socket));
#elif SYSAPI_UNIX
retry = secureConnect(getSocket()->m_fd);
#endif
return retry ? job : newJob();
if (status > 0) {
return newJob();
}
else if (status == 0) {
return job;
}
// If status < 0, error happened
return NULL;
}
ISocketMultiplexerJob*
@ -561,12 +576,19 @@ SecureSocket::serviceAccept(ISocketMultiplexerJob* job,
{
Lock lock(&getMutex());
bool retry = true;
int status = 0;
#ifdef SYSAPI_WIN32
retry = secureAccept(static_cast<int>(getSocket()->m_socket));
status = secureAccept(static_cast<int>(getSocket()->m_socket));
#elif SYSAPI_UNIX
retry = secureAccept(getSocket()->m_fd);
status = secureAccept(getSocket()->m_fd);
#endif
return retry ? job : newJob();
if (status > 0) {
return newJob();
}
else if (status == 0) {
return job;
}
// If status < 0, error happened
return NULL;
}