Use a strongly typed Uid in WindowInfo
Bug: 286428012
Test: presubmit
Change-Id: I039e2892274b293eeea4a167d748234a4170541e
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 055fb6f..010e181 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -125,6 +125,10 @@
return StringPrintf("%p", binder.get());
}
+static std::string uidString(const gui::Uid& uid) {
+ return uid.toString();
+}
+
inline int32_t getMotionEventActionPointerIndex(int32_t action) {
return (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>
AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
@@ -556,7 +560,7 @@
return !info.inputConfig.test(gui::WindowInfo::InputConfig::NOT_TOUCHABLE) && !info.isSpy();
}
-bool isWindowOwnedBy(const sp<WindowInfoHandle>& windowHandle, int32_t pid, int32_t uid) {
+bool isWindowOwnedBy(const sp<WindowInfoHandle>& windowHandle, int32_t pid, gui::Uid uid) {
if (windowHandle == nullptr) {
return false;
}
@@ -576,14 +580,16 @@
// The event was not injected, or the injected event does not target a window.
return {};
}
- const int32_t uid = *entry.injectionState->targetUid;
+ const auto uid = *entry.injectionState->targetUid;
if (window == nullptr) {
- return StringPrintf("No valid window target for injection into uid %d.", uid);
+ return StringPrintf("No valid window target for injection into uid %s.",
+ uid.toString().c_str());
}
if (entry.injectionState->targetUid != window->getInfo()->ownerUid) {
- return StringPrintf("Injected event targeted at uid %d would be dispatched to window '%s' "
- "owned by uid %d.",
- uid, window->getName().c_str(), window->getInfo()->ownerUid);
+ return StringPrintf("Injected event targeted at uid %s would be dispatched to window '%s' "
+ "owned by uid %s.",
+ uid.toString().c_str(), window->getName().c_str(),
+ window->getInfo()->ownerUid.toString().c_str());
}
return {};
}
@@ -2584,8 +2590,8 @@
}
if (!errs.empty()) {
ALOGW("Dropping targeted injection: At least one touched window is not owned by uid "
- "%d:%s",
- *entry.injectionState->targetUid, errs.c_str());
+ "%s:%s",
+ entry.injectionState->targetUid->toString().c_str(), errs.c_str());
outInjectionResult = InputEventInjectionResult::TARGET_MISMATCH;
return {};
}
@@ -2597,7 +2603,7 @@
sp<WindowInfoHandle> foregroundWindowHandle =
tempTouchState.getFirstForegroundWindowHandle();
if (foregroundWindowHandle) {
- const int32_t foregroundWindowUid = foregroundWindowHandle->getInfo()->ownerUid;
+ const auto foregroundWindowUid = foregroundWindowHandle->getInfo()->ownerUid;
for (InputTarget& target : targets) {
if (target.flags.test(InputTarget::Flags::DISPATCH_AS_OUTSIDE)) {
sp<WindowInfoHandle> targetWindow =
@@ -2961,8 +2967,8 @@
TouchOcclusionInfo info;
info.hasBlockingOcclusion = false;
info.obscuringOpacity = 0;
- info.obscuringUid = -1;
- std::map<int32_t, float> opacityByUid;
+ info.obscuringUid = gui::Uid::INVALID;
+ std::map<gui::Uid, float> opacityByUid;
for (const sp<WindowInfoHandle>& otherHandle : windowHandles) {
if (windowHandle == otherHandle) {
break; // All future windows are below us. Exit early.
@@ -2984,7 +2990,7 @@
break;
}
if (otherInfo->touchOcclusionMode == TouchOcclusionMode::USE_OPACITY) {
- uint32_t uid = otherInfo->ownerUid;
+ const auto uid = otherInfo->ownerUid;
float opacity =
(opacityByUid.find(uid) == opacityByUid.end()) ? 0 : opacityByUid[uid];
// Given windows A and B:
@@ -3008,29 +3014,30 @@
std::string InputDispatcher::dumpWindowForTouchOcclusion(const WindowInfo* info,
bool isTouchedWindow) const {
- return StringPrintf(INDENT2 "* %spackage=%s/%" PRId32 ", id=%" PRId32 ", mode=%s, alpha=%.2f, "
+ return StringPrintf(INDENT2 "* %spackage=%s/%s, id=%" PRId32 ", mode=%s, alpha=%.2f, "
"frame=[%" PRId32 ",%" PRId32 "][%" PRId32 ",%" PRId32
"], touchableRegion=%s, window={%s}, inputConfig={%s}, "
"hasToken=%s, applicationInfo.name=%s, applicationInfo.token=%s\n",
isTouchedWindow ? "[TOUCHED] " : "", info->packageName.c_str(),
- info->ownerUid, info->id, toString(info->touchOcclusionMode).c_str(),
- info->alpha, info->frameLeft, info->frameTop, info->frameRight,
- info->frameBottom, dumpRegion(info->touchableRegion).c_str(),
- info->name.c_str(), info->inputConfig.string().c_str(),
- toString(info->token != nullptr), info->applicationInfo.name.c_str(),
+ info->ownerUid.toString().c_str(), info->id,
+ toString(info->touchOcclusionMode).c_str(), info->alpha, info->frameLeft,
+ info->frameTop, info->frameRight, info->frameBottom,
+ dumpRegion(info->touchableRegion).c_str(), info->name.c_str(),
+ info->inputConfig.string().c_str(), toString(info->token != nullptr),
+ info->applicationInfo.name.c_str(),
binderToString(info->applicationInfo.token).c_str());
}
bool InputDispatcher::isTouchTrustedLocked(const TouchOcclusionInfo& occlusionInfo) const {
if (occlusionInfo.hasBlockingOcclusion) {
- ALOGW("Untrusted touch due to occlusion by %s/%d", occlusionInfo.obscuringPackage.c_str(),
- occlusionInfo.obscuringUid);
+ ALOGW("Untrusted touch due to occlusion by %s/%s", occlusionInfo.obscuringPackage.c_str(),
+ occlusionInfo.obscuringUid.toString().c_str());
return false;
}
if (occlusionInfo.obscuringOpacity > mMaximumObscuringOpacityForTouch) {
- ALOGW("Untrusted touch due to occlusion by %s/%d (obscuring opacity = "
+ ALOGW("Untrusted touch due to occlusion by %s/%s (obscuring opacity = "
"%.2f, maximum allowed = %.2f)",
- occlusionInfo.obscuringPackage.c_str(), occlusionInfo.obscuringUid,
+ occlusionInfo.obscuringPackage.c_str(), occlusionInfo.obscuringUid.toString().c_str(),
occlusionInfo.obscuringOpacity, mMaximumObscuringOpacityForTouch);
return false;
}
@@ -3452,7 +3459,7 @@
return; // Not a key or a motion
}
- std::set<int32_t> interactionUids;
+ std::set<gui::Uid> interactionUids;
std::unordered_set<sp<IBinder>, StrongPointerHash<IBinder>> newConnectionTokens;
std::vector<std::shared_ptr<Connection>> newConnections;
for (const InputTarget& target : targets) {
@@ -4516,7 +4523,7 @@
}
InputEventInjectionResult InputDispatcher::injectInputEvent(const InputEvent* event,
- std::optional<int32_t> targetUid,
+ std::optional<gui::Uid> targetUid,
InputEventInjectionSync syncMode,
std::chrono::milliseconds timeout,
uint32_t policyFlags) {
@@ -4527,7 +4534,7 @@
}
if (debugInboundEventDetails()) {
- LOG(DEBUG) << __func__ << ": targetUid=" << toString(targetUid)
+ LOG(DEBUG) << __func__ << ": targetUid=" << toString(targetUid, &uidString)
<< ", syncMode=" << ftl::enum_string(syncMode) << ", timeout=" << timeout.count()
<< "ms, policyFlags=0x" << std::hex << policyFlags << std::dec
<< ", event=" << *event;
@@ -4972,8 +4979,8 @@
ALOGD("%s", log.c_str());
}
}
- ALOGW("Dropping untrusted touch event due to %s/%d", occlusionInfo.obscuringPackage.c_str(),
- occlusionInfo.obscuringUid);
+ ALOGW("Dropping untrusted touch event due to %s/%s", occlusionInfo.obscuringPackage.c_str(),
+ occlusionInfo.obscuringUid.toString().c_str());
return false;
}
@@ -5335,15 +5342,16 @@
mLooper->wake();
}
-bool InputDispatcher::setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission,
- int32_t displayId) {
+bool InputDispatcher::setInTouchMode(bool inTouchMode, int32_t pid, gui::Uid uid,
+ bool hasPermission, int32_t displayId) {
bool needWake = false;
{
std::scoped_lock lock(mLock);
ALOGD_IF(DEBUG_TOUCH_MODE,
- "Request to change touch mode to %s (calling pid=%d, uid=%d, "
+ "Request to change touch mode to %s (calling pid=%d, uid=%s, "
"hasPermission=%s, target displayId=%d, mTouchModePerDisplay[displayId]=%s)",
- toString(inTouchMode), pid, uid, toString(hasPermission), displayId,
+ toString(inTouchMode), pid, uid.toString().c_str(), toString(hasPermission),
+ displayId,
mTouchModePerDisplay.count(displayId) == 0
? "not set"
: std::to_string(mTouchModePerDisplay[displayId]).c_str());
@@ -5355,9 +5363,9 @@
if (!hasPermission) {
if (!focusedWindowIsOwnedByLocked(pid, uid) &&
!recentWindowsAreOwnedByLocked(pid, uid)) {
- ALOGD("Touch mode switch rejected, caller (pid=%d, uid=%d) doesn't own the focused "
+ ALOGD("Touch mode switch rejected, caller (pid=%d, uid=%s) doesn't own the focused "
"window nor none of the previously interacted window",
- pid, uid);
+ pid, uid.toString().c_str());
return false;
}
}
@@ -5373,7 +5381,7 @@
return true;
}
-bool InputDispatcher::focusedWindowIsOwnedByLocked(int32_t pid, int32_t uid) {
+bool InputDispatcher::focusedWindowIsOwnedByLocked(int32_t pid, gui::Uid uid) {
const sp<IBinder> focusedToken = mFocusResolver.getFocusedWindowToken(mFocusedDisplayId);
if (focusedToken == nullptr) {
return false;
@@ -5382,7 +5390,7 @@
return isWindowOwnedBy(windowHandle, pid, uid);
}
-bool InputDispatcher::recentWindowsAreOwnedByLocked(int32_t pid, int32_t uid) {
+bool InputDispatcher::recentWindowsAreOwnedByLocked(int32_t pid, gui::Uid uid) {
return std::find_if(mInteractionConnectionTokens.begin(), mInteractionConnectionTokens.end(),
[&](const sp<IBinder>& connectionToken) REQUIRES(mLock) {
const sp<WindowInfoHandle> windowHandle =
@@ -5667,10 +5675,11 @@
windowInfo->applicationInfo.name.c_str(),
binderToString(windowInfo->applicationInfo.token).c_str());
dump += dumpRegion(windowInfo->touchableRegion);
- dump += StringPrintf(", ownerPid=%d, ownerUid=%d, dispatchingTimeout=%" PRId64
+ dump += StringPrintf(", ownerPid=%d, ownerUid=%s, dispatchingTimeout=%" PRId64
"ms, hasToken=%s, "
"touchOcclusionMode=%s\n",
- windowInfo->ownerPid, windowInfo->ownerUid,
+ windowInfo->ownerPid,
+ windowInfo->ownerUid.toString().c_str(),
millis(windowInfo->dispatchingTimeout),
binderToString(windowInfo->token).c_str(),
toString(windowInfo->touchOcclusionMode).c_str());