system/acl: wrap libacl errors in PathError

This helps determine which libacl function the errno came from.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 40 insertions, 0 deletions

diff --git a/system/acl/libacl-helper.go b/system/acl/libacl-helper.go
new file mode 100644
index 00000000..22575296
--- /dev/null
+++ b/system/acl/libacl-helper.go
@@ -0,0 +1,40 @@
+package acl
+
+import "os"
+
+func newAclPathError(name string, r int, err error) error {
+	pathError := &os.PathError{Path: name, Err: err}
+	switch r {
+	case 0:
+		return nil
+
+	case -1:
+		pathError.Op = "acl_get_file"
+	case -2:
+		pathError.Op = "acl_get_tag_type"
+	case -3:
+		pathError.Op = "acl_get_qualifier"
+	case -4:
+		pathError.Op = "acl_delete_entry"
+	case -5:
+		pathError.Op = "acl_create_entry"
+	case -6:
+		pathError.Op = "acl_get_permset"
+	case -7:
+		pathError.Op = "acl_add_perm"
+	case -8:
+		pathError.Op = "acl_set_tag_type"
+	case -9:
+		pathError.Op = "acl_set_qualifier"
+	case -10:
+		pathError.Op = "acl_calc_mask"
+	case -11:
+		pathError.Op = "acl_valid"
+	case -12:
+		pathError.Op = "acl_set_file"
+
+	default: // unreachable
+		pathError.Op = "setfacl"
+	}
+	return pathError
+}