Run fuzzers as part of CI at least with example inputs

This helps to catch errors earlier than in oss-fuzz and avoids
0% code coverages of fuzzers when generated by meson.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Acked-by: Frediano Ziglio <fziglio@redhat.com>

6 files changed, 18 insertions, 17 deletions

diff --git a/fuzz/corpora/fuzz_options/test b/fuzz/corpora/fuzz_options/test
new file mode 100644
index 0000000..281d52f
--- /dev/null
+++ b/fuzz/corpora/fuzz_options/test
@@ -0,0 +1 @@
+db="sql:hwdb" use_hw=removable
diff --git a/fuzz/corpora/fuzz_simpletlv/test b/fuzz/corpora/fuzz_simpletlv/test
new file mode 100644
index 0000000..de0b454
--- /dev/null
+++ b/fuzz/corpora/fuzz_simpletlv/test
diff --git a/fuzz/corpora/fuzz_xfer/test b/fuzz/corpora/fuzz_xfer/test
new file mode 100644
index 0000000..8e7c9fb
--- /dev/null
+++ b/fuzz/corpora/fuzz_xfer/test
diff --git a/fuzz/db b/fuzz/db
new file mode 120000
index 0000000..cc8cb4a
--- /dev/null
+++ b/fuzz/db
@@ -0,0 +1 @@
+../tests/db
\ No newline at end of file
diff --git a/fuzz/fuzz_xfer.c b/fuzz/fuzz_xfer.c
index 2ee3ea2..09cee48 100644
--- a/fuzz/fuzz_xfer.c
+++ b/fuzz/fuzz_xfer.c
@@ -59,28 +59,17 @@ events_thread(gpointer arg)
     return NULL;
 }
 
-static void libcacard_init(char *argv0)
+static void libcacard_init(void)
 {
     VCardEmulOptions *command_line_options = NULL;
-    gchar *path = NULL;
     gchar *dbdir = NULL;
     gchar *args = NULL;
     VReader *r;
     VCardEmulError ret;
 
-    /* This is looking for NSS DB dir in the same directory, where the binary
-     * is placed if path is absolute, or in the current directory otherwise */
-    if (g_path_is_absolute(argv0)) {
-        path = g_path_get_dirname(argv0);
-    } else {
-        gchar *wd = g_get_current_dir();
-        gchar *abs = g_build_filename(wd, argv0, NULL);
-        g_free(wd);
-        path = g_path_get_dirname(abs);
-        g_free(abs);
-    }
-    dbdir = g_build_filename(path, "db", NULL);
-    g_free(path);
+    /* This will use the test directory when running as test and
+     * and dirname part of argv[0] when running from oss-fuzz */
+    dbdir = g_test_build_filename(G_TEST_DIST, "db", NULL);
     args = g_strdup_printf(ARGS, dbdir);
 
     thread = g_thread_new("fuzz/events", events_thread, NULL);
@@ -127,10 +116,12 @@ int LLVMFuzzerInitialize(int *argc, char ***argv)
 
     (void) argc;
 
+    g_test_init(argc, argv, NULL);
+
     loop = g_main_loop_new(NULL, TRUE);
 
     g_debug("Initializing ...");
-    libcacard_init(**argv);
+    libcacard_init();
 
     reader = vreader_get_reader_by_id(0);
     if (vreader_card_is_present(reader) != VREADER_OK) {
diff --git a/fuzz/meson.build b/fuzz/meson.build
index 67865fd..5d1307c 100644
--- a/fuzz/meson.build
+++ b/fuzz/meson.build
@@ -1,3 +1,7 @@
+env = environment()
+env.set('G_TEST_SRCDIR', meson.current_source_dir())
+env.set('G_TEST_BUILDDIR', meson.build_root())
+
 fuzz_targets = [
   'fuzz_xfer',
   'fuzz_simpletlv',
@@ -17,9 +21,13 @@ else
 endif
 
 foreach target_name : fuzz_targets
-  executable(target_name, [extra_sources, target_name + '.c'],
+  exe = executable(target_name, [extra_sources, target_name + '.c'],
     objects: libcacard.extract_all_objects(),
     c_args : extra_c_args,
     dependencies : deps,
   )
+  test(target_name, exe,
+    args: [meson.current_source_dir() + '/corpora/' + target_name + '/test'],
+    env: env,
+  )
 endforeach