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authorSzczepan Zalega <szczepan@nitrokey.com>2016-08-05 20:59:50 +0200
committerSzczepan Zalega <szczepan@nitrokey.com>2016-08-05 21:56:07 +0200
commitcaf500394b7ba674e2fff834f2d170a0f0a909a4 (patch)
tree2508357c2a88f0d44a483ee9801909b72a162753
parentb9b6eb6d618915a8ee693e345448d2bcd39779cc (diff)
downloadlibnitrokey-caf500394b7ba674e2fff834f2d170a0f0a909a4.tar.gz
libnitrokey-caf500394b7ba674e2fff834f2d170a0f0a909a4.tar.bz2
Clear outgoing packet as soon as command response is received
Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>
-rw-r--r--include/device_proto.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/device_proto.h b/include/device_proto.h
index 78abe38..f28b5b9 100644
--- a/include/device_proto.h
+++ b/include/device_proto.h
@@ -161,7 +161,13 @@ class Transaction : semantics::non_constructible {
return outp.crc;
}
- static response_payload run(device::Device &dev,
+ template <typename T>
+ static void clear_packet(T &st){
+ bzero(&st, sizeof(st));
+ }
+
+
+ static response_payload run(device::Device &dev,
const command_payload &payload) {
using namespace ::nitrokey::device;
using namespace ::nitrokey::log;
@@ -208,6 +214,8 @@ class Transaction : semantics::non_constructible {
std::this_thread::sleep_for(dev.get_retry_timeout());
continue;
}
+ clear_packet(outp);
+
if (status <= 0)
throw std::runtime_error(
std::string("Device error while executing command ") +