If launched with debug severity allow our subprocess to write to stdout/stderr

src/anbox/cmds/launch.cpp

@@ -130,7 +130,11 @@ anbox::cmds::Launch::Launch()
         }
 
         try {
-          const auto flags = core::posix::StandardStream::stdout | core::posix::StandardStream::stderr;
+          auto flags = core::posix::StandardStream::stdout | core::posix::StandardStream::stderr;
+          // If we have logging enable in debug mode then we allow the child process
+          // to print to stdout/stderr too.
+          if (Log().GetSeverity() == Logger::Severity::kDebug)
+            flags = core::posix::StandardStream::empty;
           auto child = core::posix::fork([&]() {
             auto grandchild = core::posix::exec(exe_path, args, env, flags);
             grandchild.dont_kill_on_cleanup();

src/anbox/logger.cpp

@@ -64,6 +64,10 @@ struct BoostLogLogger : public anbox::Logger {
     severity_ = severity;
   }
 
+  Severity GetSeverity() override {
+    return severity_;
+  }
+
   void Log(Severity severity, const std::string& message, const boost::optional<Location>& loc) override {
     if (!initialized_) Init();
 

src/anbox/logger.h

@@ -51,6 +51,7 @@ class Logger : public DoNotCopyOrMove {
 
   bool SetSeverityFromString(const std::string &severity);
   virtual void SetSeverity(const Severity& severity) = 0;
+  virtual Severity GetSeverity() = 0;
 
   virtual void Log(Severity severity, const std::string& message,
                    const boost::optional<Location>& location) = 0;