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authorTobias Brunner <tobias@strongswan.org>2017-03-08 11:00:22 +0100
committerTobias Brunner <tobias@strongswan.org>2017-05-23 18:29:11 +0200
commit157742be7deb5e5e12d962b20907b8e2e7733ac6 (patch)
tree7724216a4e3448fbc424931b50aaf7a88206a23e /fuzz
parent4d0795bcefeb7d6156fda9b59e75a7dbe05de6e5 (diff)
downloadstrongswan-157742be7deb5e5e12d962b20907b8e2e7733ac6.tar.bz2
strongswan-157742be7deb5e5e12d962b20907b8e2e7733ac6.tar.xz
fuzz: Add fuzzing boilerplate
Diffstat (limited to 'fuzz')
-rw-r--r--fuzz/.gitignore1
-rw-r--r--fuzz/Makefile.am12
-rw-r--r--fuzz/fuzz_certs.c40
3 files changed, 53 insertions, 0 deletions
diff --git a/fuzz/.gitignore b/fuzz/.gitignore
new file mode 100644
index 000000000..64271a6dd
--- /dev/null
+++ b/fuzz/.gitignore
@@ -0,0 +1 @@
+fuzz_certs \ No newline at end of file
diff --git a/fuzz/Makefile.am b/fuzz/Makefile.am
new file mode 100644
index 000000000..f2a84c1e7
--- /dev/null
+++ b/fuzz/Makefile.am
@@ -0,0 +1,12 @@
+AM_CPPFLAGS = \
+ -I$(top_srcdir)/src/libstrongswan \
+ -DPLUGINDIR=\""$(abs_top_builddir)/src/libstrongswan/plugins\"" \
+ -DPLUGINS="\"${fuzz_plugins}\""
+
+noinst_PROGRAMS = fuzz_certs
+
+fuzz_certs_SOURCES = fuzz_certs.c
+
+fuzz_certs_LDFLAGS = libFuzzer.a -lstdc++
+
+fuzz_certs_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
diff --git a/fuzz/fuzz_certs.c b/fuzz/fuzz_certs.c
new file mode 100644
index 000000000..3100eb5f9
--- /dev/null
+++ b/fuzz/fuzz_certs.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2017 Tobias Brunner
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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 General Public License
+ * for more details.
+ */
+
+#include <library.h>
+#include <utils/debug.h>
+
+int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
+{
+ certificate_t *cert;
+ chunk_t chunk;
+
+ dbg_default_set_level(-1);
+ library_init(NULL, "fuzz_certs");
+ plugin_loader_add_plugindirs(PLUGINDIR, PLUGINS);
+ if (!lib->plugins->load(lib->plugins, PLUGINS))
+ {
+ return 1;
+ }
+
+ chunk = chunk_create((u_char*)buf, len);
+ cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
+ BUILD_BLOB, chunk, BUILD_END);
+ DESTROY_IF(cert);
+
+ lib->plugins->unload(lib->plugins);
+ library_deinit();
+ return 0;
+}