libraries/libpcscxx
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Apple Bug not resolved, retry to reconnect with SCARD_LEAVE_CARD more than once (up to 100 times); refs #34

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This commit is contained in:
Marc Wäckerlin
2014-12-01 10:08:38 +00:00
parent 742edbecf5
commit 52c2c959a2
1 changed files with 23 additions and 12 deletions
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35
src/pcsc.hxx
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@@ -70,10 +70,6 @@
avoid the ugly M$-C-quirks. This interface is memory clean.
@todo: Not implemented, not supported:
- SCardGetStatusChange(hContext, 0, rgReaderStates, 1);
- SCardReconnect(hCard, SCARD_SHARE_SHARED,
SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1,
SCARD_LEAVE_CARD,
&dwActiveProtocol);
- several other
I do not need these, and I don't know the usecase where they are
required. If you need something that is not yet supported, please
@@ -312,7 +308,8 @@ namespace pcsc {
in.size(),
0, buff, &len),
"smartcard transmit message "+crypto::hex(in));
} catch (...) {
} catch (std::exception& x) {
CRYPTOLOG("failed with "<<x.what());
// try to fix Apple's Mac OS X 10.10 implementation bug
# ifdef __APPLE__
/*! @bug Work around Mac OSX 10.10 bug. On Mac OSX
@@ -320,22 +317,23 @@ namespace pcsc {
reconnect, first transaction (SCardTransmit)
fails with SCARD_W_RESET_CARD
(0x80100068). */
for (int bugCnt(0);
bugCnt<100 && _state==SCARD_W_RESET_CARD;
++bugCnt) { // just try to resend
for (int cnt(0); cnt<10 && _state==SCARD_W_RESET_CARD; ++cnt) {
// just try to resend
CRYPTOLOG("Mac OS X 10.10 implementation bug: "
"On Mac OSX 10.10 there is a bug in "
"PCSC: After a reconnect, first "
"transaction (SCardTransmit) fails "
"with SCARD_W_RESET_CARD (0x80100068). "
"Retry Nr. "<<bugCnt);
"Retry Nr. "<<cnt);
try {
reconnect();
check(SCardTransmit(_id, &rPci,
(LPCBYTE)in.c_str(),
in.size(),
0, buff, &len),
"smartcard transmit resend message "+crypto::hex(in));
} catch (...) {
} catch (std::exception& x) {
CRYPTOLOG("failed with "<<x.what());
continue; // try again
}
break; // success
@@ -436,6 +434,18 @@ namespace pcsc {
return _connection->check(state, context);
}
//! Reconnect SmartCard After Reset
/*! @param mode one of
- @c SCARD_LEAVE_CARD
Do not do anything special on reconnect.
- @c SCARD_RESET_CARD
Reset the card (Warm Reset).
- @c SCARD_UNPOWER_CARD
Power down the card and reset it (Cold Reset). */
void reconnect(DWORD mode=SCARD_LEAVE_CARD) {
check(SCardReconnect(_id, _mode, _protocol, mode, &_protocol));
}
//! Only Connection is allowed to instanciate.
friend class Connection;
@@ -443,10 +453,10 @@ namespace pcsc {
Reader(const std::string& nm, std::shared_ptr<Connection> c,
DWORD mode=SCARD_SHARE_SHARED,
DWORD protocol=SCARD_PROTOCOL_T1):
name(nm), _connection(c) {
name(nm), _connection(c), _mode(mode) {
CRYPTOLOG("Connect Reader");
check(SCardConnect(_connection->id(), strconv(name).c_str(),
mode, protocol,
_mode, protocol,
&_id, &_protocol),
"connect smartcard \""+name+"\"");
}
@@ -460,6 +470,7 @@ namespace pcsc {
std::shared_ptr<Connection> _connection;
SCARDHANDLE _id;
DWORD _state;
DWORD _mode;
DWORD _protocol;
static int _neesting;