PID filter

2 files changed, 11 insertions, 3 deletions

diff --git a/internal/c/filter.c b/internal/c/filter.c
index a91eb84..93497c7 100644
--- a/internal/c/filter.c
+++ b/internal/c/filter.c
@@ -1,5 +1,13 @@
 //+build ignore
 
 static __always_inline int filter() {
-    return (bpf_get_current_uid_gid() & 0xFFFFFFFF) != UID_FILTER;
+    if ((bpf_get_current_pid_tgid() >> 32) == PID_FILTER)
+        return 0;
+
+    /*
+    if ((bpf_get_current_uid_gid() & 0xFFFFFFFF) == UID_FILTER)
+        return 0;
+    */
+
+    return 1;
 }
diff --git a/internal/c/flags.h b/internal/c/flags.h
index 53b9492..eb7ec83 100644
--- a/internal/c/flags.h
+++ b/internal/c/flags.h
@@ -1,4 +1,4 @@
 //+build ignore
 
-const volatile u32 UID_FILTER = 0;
-volatile u32 DYNAMIC_UID_FILTER = 0;
+// const volatile u32 UID_FILTER = -1;
+const volatile u32 PID_FILTER = -1;