Add unit tests for process_lookup_path

tests/api/misc.py

@@ -65,3 +65,15 @@ def test_func_show_last_exception(self):
         gdb.execute("gef config gef.propagate_debug_exception True")
         with pytest.raises(Exception):
             gdb.execute("hexdump byte *0")
+
+    def test_func_process_lookup_path(self):
+        root, gdb = self._conn.root, self._gdb
+        gdb.execute("start")
+
+        assert root.eval("process_lookup_path('meh')") is None
+
+        libc = root.eval("process_lookup_path('libc')")
+        assert libc is not None
+        assert "libc" in pathlib.Path(libc.path).name
+
+        assert root.eval("process_lookup_path('stack')") is not None

tests/binaries/Makefile

@@ -27,6 +27,7 @@ all: $(LINKED)
 
 %.out : %.c
 	@echo "[+] Building '$(TMPDIR)/$@'"
+	@mkdir -p $(TMPDIR)
 	@$(CC) $(CFLAGS) $(EXTRA_FLAGS) -o $(TMPDIR)/$@ $? $(LDFLAGS)
 
 %.out : %.cpp
@@ -55,3 +56,6 @@ heap-non-main.out heap-tcache.out heap-multiple-heaps.out: EXTRA_FLAGS := -pthre
 heap-bins.out: EXTRA_FLAGS := -Wno-unused-result
 
 default.out: EXTRA_FLAGS := -fstack-protector-all -fpie -pie
+
+collision.out: TMPDIR := $(TMPDIR)/collision-libc
+

tests/binaries/collision.c

@@ -0,0 +1,16 @@
+/**
+ * collision.c
+ * -*- mode: c -*-
+ * -*- coding: utf-8 -*-
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+int main(int argc, char** argv, char** envp)
+{
+        printf("Hello World!\n");
+        return EXIT_SUCCESS;
+}

tests/regressions/filename_collision_lookup.py

@@ -0,0 +1,29 @@
+import pytest
+
+from tests.base import RemoteGefUnitTestGeneric
+from tests.utils import debug_target
+
+
+class RegressionFilenameCollisionLookup(RemoteGefUnitTestGeneric):
+    """Tests for regression about collisions in filenames while using
+    `process_lookup_path`
+    """
+
+    def setUp(self) -> None:
+        self._target = debug_target("collision-libc/collision")
+        return super().setUp()
+
+    def test_process_lookup_path_use_only_filename(self):
+        root, gdb = self._conn.root, self._gdb
+
+        gdb.execute("start")
+        program = root.eval("process_lookup_path('collision')")
+        libc = root.eval("process_lookup_path('libc')")
+
+        print(program)
+        print(libc)
+
+        assert program is not None
+        assert libc is not None
+        # TODO: Check if we can compare sections directly
+        assert program.page_start != libc.page_start