From 4b0bd5ce12cdfe976a5890e340d1ee25a564e93e Mon Sep 17 00:00:00 2001
From: Dan <46821332+nsadeveloper789@users.noreply.github.com>
Date: Tue, 30 May 2023 13:58:04 -0400
Subject: [PATCH] GP-3507: Create attachable sleep specimen for gdb

---
 .../agent/gdb/model/GdbLinuxSpecimen.java     |  2 +-
 Ghidra/Debug/Framework-Debugging/build.gradle |  4 +++
 .../expTraceableSleep/c/expTraceableSleep.c   | 26 +++++++++++++++++++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 Ghidra/Debug/Framework-Debugging/src/expTraceableSleep/c/expTraceableSleep.c

diff --git a/Ghidra/Debug/Debugger-agent-gdb/src/test/java/agent/gdb/model/GdbLinuxSpecimen.java b/Ghidra/Debug/Debugger-agent-gdb/src/test/java/agent/gdb/model/GdbLinuxSpecimen.java
index 3d4285001c..b372d173ef 100644
--- a/Ghidra/Debug/Debugger-agent-gdb/src/test/java/agent/gdb/model/GdbLinuxSpecimen.java
+++ b/Ghidra/Debug/Debugger-agent-gdb/src/test/java/agent/gdb/model/GdbLinuxSpecimen.java
@@ -31,7 +31,7 @@ public enum GdbLinuxSpecimen implements DebuggerTestSpecimen, DebuggerModelTestU
 	SLEEP {
 		@Override
 		String getCommandLine() {
-			return "sleep 100000";
+			return DummyProc.which("expTraceableSleep");
 		}
 	},
 	FORK_EXIT {
diff --git a/Ghidra/Debug/Framework-Debugging/build.gradle b/Ghidra/Debug/Framework-Debugging/build.gradle
index 1c1a2394c7..43122e351a 100644
--- a/Ghidra/Debug/Framework-Debugging/build.gradle
+++ b/Ghidra/Debug/Framework-Debugging/build.gradle
@@ -57,6 +57,7 @@ task testSpecimenLinux_x86_64 {
 	//dependsOn 'expTypesExecutable'//Linux_x86_64Executable'
 	dependsOn 'expRegistersLinux_x86_64Executable'
 	dependsOn 'expStackLinux_x86_64Executable'
+	dependsOn 'expTraceableSleepExecutable'//Linux_x86_64Executable'
 	
 	doLast {
 		exec {
@@ -133,6 +134,9 @@ model {
 			targetPlatform "win_x86_64"
 			targetPlatform "win_x86_32" // TODO: Test on these
 		}
+		expTraceableSleep(NativeExecutableSpec) {
+			targetPlatform "linux_x86_64"
+		}
 	}
 
 	binaries {
diff --git a/Ghidra/Debug/Framework-Debugging/src/expTraceableSleep/c/expTraceableSleep.c b/Ghidra/Debug/Framework-Debugging/src/expTraceableSleep/c/expTraceableSleep.c
new file mode 100644
index 0000000000..293724cd93
--- /dev/null
+++ b/Ghidra/Debug/Framework-Debugging/src/expTraceableSleep/c/expTraceableSleep.c
@@ -0,0 +1,26 @@
+/* ###
+ * IP: GHIDRA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Our own version of sleep that tells Yama it's okay to be traced
+ */
+
+#include <unistd.h>
+#include <sys/prctl.h>
+
+int main(int argc, char **argv) {
+	prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY);
+	sleep(100);
+}