From d401e94ca5f7945d3da2c2927bfb038da3a066dd Mon Sep 17 00:00:00 2001
From: Helmut Grohne <helmut@subdivi.de>
Date: Sun, 3 Mar 2024 20:51:35 +0100
Subject: add function for prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, ...)

---
 examples/withallsubuids.py | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

(limited to 'examples/withallsubuids.py')

diff --git a/examples/withallsubuids.py b/examples/withallsubuids.py
index ead0482..3bed3bc 100755
--- a/examples/withallsubuids.py
+++ b/examples/withallsubuids.py
@@ -43,15 +43,7 @@ def main() -> None:
     capabilities.inheritable = capabilities.permitted & capabilities.effective
     capabilities.set()
     # Add all inheritable capabilities to the ambient set.
-    caps = capabilities.inheritable
-    while caps:
-        cap = caps & (~caps + 1)
-        caps ^= cap
-        linuxnamespaces.prctl(
-            47,  # PR_CAP_AMBIENT
-            2,  # PR_CAP_AMBIENT_RAISE
-            cap.bit_length() - 1,
-        )
+    linuxnamespaces.prctl_raise_ambient_capabilities(capabilities.inheritable)
     if len(sys.argv) > 1:
         os.execvp(sys.argv[1], sys.argv[1:])
     else:
-- 
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