jail: add capabilities support

[project/procd.git] / make_capabilities_h.sh

diff --git a/make_capabilities_h.sh b/make_capabilities_h.sh
new file mode 100755 (executable)
index 0000000..635e740
--- /dev/null
+++ b/make_capabilities_h.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+CC=$1
+[ -n "$TARGET_CC_NOCACHE" ] && CC=$TARGET_CC_NOCACHE
+
+echo "#include <linux/capability.h>"
+echo "static const char *capabilities_names[] = {"
+echo "#include <linux/capability.h>" | ${CC} -E -dM - | grep '#define CAP' | grep -vE '(CAP_TO|CAP_LAST_CAP)' | \
+       awk '{print $3" "$2}' | sort -n | awk '{print "   ["$1"]\t= \""tolower($2)"\","}'
+echo "};"