luna/enodia-sentinal
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat(go): port memory-map detector tranche

Browse source
This commit is contained in:
Luna 2026-07-11 01:19:56 -07:00
parent c6f7219de8
commit 6a27e6e770
No known key found for this signature in database
13 changed files with 377 additions and 41 deletions
Download patch file Download diff file Expand all files Collapse all files

15
go-agent/internal/system/state_test.go
View file

@ -22,6 +22,9 @@ func TestCaptureUsesInjectableProcRoot(t *testing.T) {
if err := os.WriteFile(filepath.Join(proc, "cmdline"), []byte("bash\x00-i\x00"), 0o600); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(filepath.Join(proc, "maps"), []byte("7f00-8000 rwxp 00000000 00:00 0 /memfd:stage (deleted)\n"), 0o600); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(filepath.Join(proc, "environ"), []byte("LD_PRELOAD=/tmp/x.so\x00A=B\x00"), 0o600); err != nil {
t.Fatal(err)
}
@ -56,11 +59,23 @@ func TestCaptureUsesInjectableProcRoot(t *testing.T) {
if got.Environ["LD_PRELOAD"] != "/tmp/x.so" || got.FDTargets["7"] != "/dev/input/event3" {
t.Fatalf("missing environment or fd state: %#v", got)
}
if len(got.MemoryMaps) != 1 || got.MemoryMaps[0].Start != 0x7f00 ||
got.MemoryMaps[0].Path != "/memfd:stage (deleted)" {
t.Fatalf("missing memory-map state: %#v", got.MemoryMaps)
}
if state.LDPreload != "/tmp/global.so" {
t.Fatalf("unexpected global preload: %q", state.LDPreload)
}
}
func TestParseMemoryMapsPreservesPathSpaces(t *testing.T) {
maps := parseMemoryMaps("7f00-8000 r-xp 00000000 00:00 0 /tmp/a path.so\n")
if len(maps) != 1 || maps[0].Start != 0x7f00 || maps[0].End != 0x8000 ||
maps[0].Perms != "r-xp" || maps[0].Path != "/tmp/a path.so" {
t.Fatalf("unexpected maps: %#v", maps)
}
}
func TestParseSSMatchesPythonShapes(t *testing.T) {
text := "tcp ESTAB 0 0 10.0.0.2:5555 8.8.8.8:443 users:((\"bash\",pid=42,fd=3)) ino:999\n"
sockets := parseSS(text, "tcp")