adbd_auth: don't abort on unexpected response.
There seems to be an additional underlying bug that causes the framework
to send a spurious authentication denial, but this is still an
improvement.
Bug: http://b/159061108
Test: treehugger
Change-Id: I7028292fbde157f02cc35c3a37ab5c49d68eaae6
diff --git a/libs/adbd_auth/adbd_auth.cpp b/libs/adbd_auth/adbd_auth.cpp
index 0e5d474..dae6eeb 100644
--- a/libs/adbd_auth/adbd_auth.cpp
+++ b/libs/adbd_auth/adbd_auth.cpp
@@ -206,12 +206,18 @@
void AllowUsbDevice(std::string_view buf) EXCLUDES(mutex_) {
std::lock_guard<std::mutex> lock(mutex_);
CHECK(buf.empty());
- CHECK(dispatched_prompt_.has_value());
- auto& [id, key, arg] = *dispatched_prompt_;
- keys_.emplace(id, std::move(key));
- callbacks_.key_authorized(arg, id);
- dispatched_prompt_ = std::nullopt;
+ if (dispatched_prompt_.has_value()) {
+ // It's possible for the framework to send us a response without our having sent a
+ // request to it: e.g. if adbd restarts while we have a pending request.
+ auto& [id, key, arg] = *dispatched_prompt_;
+ keys_.emplace(id, std::move(key));
+
+ callbacks_.key_authorized(arg, id);
+ dispatched_prompt_ = std::nullopt;
+ } else {
+ LOG(WARNING) << "adbd_auth: received authorization for unknown prompt, ignoring";
+ }
// We need to dispatch pending prompts here upon success as well,
// since we might have multiple queued prompts.