tools: add a new tool to detect the current API level

Signed-off-by: Paul Moore <paul@paul-moore.com>

2 files changed, 44 insertions, 1 deletions

diff --git a/tools/Makefile.am b/tools/Makefile.am
index 70b4aed..f768365 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -27,12 +27,14 @@ bin_PROGRAMS = \
 noinst_PROGRAMS = \
 	scmp_arch_detect \
 	scmp_bpf_disasm \
-	scmp_bpf_sim
+	scmp_bpf_sim \
+	scmp_api_level
 
 EXTRA_DIST = check-syntax scmp_app_inspector
 
 scmp_bpf_disasm_SOURCES = scmp_bpf_disasm.c bpf.h util.h
 scmp_bpf_sim_SOURCES = scmp_bpf_sim.c bpf.h util.h
+scmp_api_level_SOURCES = scmp_api_level.c
 
 scmp_sys_resolver_LDADD = ../src/libseccomp.la
 scmp_sys_resolver_LDFLAGS = -static
@@ -40,3 +42,5 @@ scmp_arch_detect_LDADD = ../src/libseccomp.la
 scmp_arch_detect_LDFLAGS = -static
 scmp_bpf_disasm_LDADD = util.la
 scmp_bpf_sim_LDADD = util.la
+scmp_api_level_LDADD = ../src/libseccomp.la
+scmp_api_level_LDFLAGS = -static
diff --git a/tools/scmp_api_level.c b/tools/scmp_api_level.c
new file mode 100644
index 0000000..01ed7b8
--- /dev/null
+++ b/tools/scmp_api_level.c
@@ -0,0 +1,39 @@
+/**
+ * API Level Detector
+ *
+ * Copyright (c) 2018 Paul Moore <paul@paul-moore.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <seccomp.h>
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+	unsigned int level;
+
+	level = seccomp_api_get();
+	printf("%d\n", level);
+
+	return 0;
+}