tests: added unit test for gnutls_pkcs11_reinit()

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

2 files changed, 173 insertions, 1 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9ea8cd2353..a432b48346 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -203,6 +203,10 @@ pkcs11_privkey_fork_SOURCES = pkcs11/pkcs11-privkey-fork.c
 pkcs11_privkey_fork_DEPENDENCIES = libpkcs11mock1.la libutils.la
 pkcs11_privkey_fork_LDADD = $(LDADD) $(LIBDL)
 
+pkcs11_privkey_fork_reinit_SOURCES = pkcs11/pkcs11-privkey-fork-reinit.c
+pkcs11_privkey_fork_reinit_DEPENDENCIES = libpkcs11mock1.la libutils.la
+pkcs11_privkey_fork_reinit_LDADD = $(LDADD) $(LIBDL)
+
 pkcs11_privkey_export_SOURCES = pkcs11/pkcs11-privkey-export.c
 pkcs11_privkey_export_DEPENDENCIES = libpkcs11mock1.la libutils.la
 pkcs11_privkey_export_LDADD = $(LDADD) $(LIBDL)
@@ -218,7 +222,8 @@ ctests += pkcs11-cert-import-url-exts pkcs11-get-exts pkcs11-get-raw-issuer-exts
 	pkcs11/pkcs11-combo pkcs11/pkcs11-privkey pkcs11/pkcs11-pubkey-import-rsa pkcs11/pkcs11-pubkey-import-ecdsa \
 	pkcs11-import-url-privkey pkcs11-privkey-fork pkcs11/pkcs11-ec-privkey-test \
 	pkcs11-privkey-always-auth pkcs11-privkey-export pkcs11/pkcs11-import-with-pin \
-	pkcs11/pkcs11-privkey-pthread pkcs11/pkcs11-pin-func pkcs11/pkcs11-obj-import
+	pkcs11/pkcs11-privkey-pthread pkcs11/pkcs11-pin-func pkcs11/pkcs11-obj-import \
+	pkcs11-privkey-fork-reinit
 
 
 endif
diff --git a/tests/pkcs11/pkcs11-privkey-fork-reinit.c b/tests/pkcs11/pkcs11-privkey-fork-reinit.c
new file mode 100644
index 0000000000..1535d644f9
--- /dev/null
+++ b/tests/pkcs11/pkcs11-privkey-fork-reinit.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2016-2017 Red Hat, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * GnuTLS 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuTLS 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GnuTLS; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+#include <gnutls/abstract.h>
+
+#include "utils.h"
+
+/* Tests whether a gnutls_privkey_t will continue to work after
+ * a fork(), when gnutls_pkcs11_reinit() is manually called. */
+
+#if defined(HAVE___REGISTER_ATFORK)
+
+#define PIN "1234"
+#ifdef _WIN32
+# define P11LIB "libpkcs11mock1.dll"
+#else
+# include <dlfcn.h>
+# define P11LIB "libpkcs11mock1.so"
+#endif
+
+
+static void tls_log_func(int level, const char *str)
+{
+	fprintf(stderr, "|<%d>| %s", level, str);
+}
+
+static
+int pin_func(void* userdata, int attempt, const char* url, const char *label,
+		unsigned flags, char *pin, size_t pin_max)
+{
+	if (attempt == 0) {
+		strcpy(pin, PIN);
+		return 0;
+	}
+	return -1;
+}
+
+void doit(void)
+{
+	int ret;
+	const char *lib;
+	gnutls_privkey_t key;
+	gnutls_datum_t sig = {NULL, 0}, data;
+	pid_t pid;
+
+	data.data = (void*)"\x38\x17\x0c\x08\xcb\x45\x8f\xd4\x87\x9c\x34\xb6\xf6\x08\x29\x4c\x50\x31\x2b\xbb";
+	data.size = 20;
+
+	ret = global_init();
+	if (ret != 0) {
+		fail("%d: %s\n", ret, gnutls_strerror(ret));
+		exit(1);
+	}
+
+	gnutls_global_set_log_function(tls_log_func);
+	if (debug)
+		gnutls_global_set_log_level(4711);
+
+	lib = getenv("P11MOCKLIB1");
+	if (lib == NULL)
+		lib = P11LIB;
+
+	ret = gnutls_pkcs11_init(GNUTLS_PKCS11_FLAG_MANUAL, NULL);
+	if (ret != 0) {
+		fail("%d: %s\n", ret, gnutls_strerror(ret));
+		exit(1);
+	}
+
+	ret = gnutls_pkcs11_add_provider(lib, NULL);
+	if (ret != 0) {
+		fail("%d: %s\n", ret, gnutls_strerror(ret));
+		exit(1);
+	}
+
+	ret = gnutls_privkey_init(&key);
+	assert(ret>=0);
+
+	gnutls_privkey_set_pin_function(key, pin_func, NULL);
+
+	ret = gnutls_privkey_import_url(key, "pkcs11:object=test", GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
+	if (ret < 0) {
+		fail("%d: %s\n", ret, gnutls_strerror(ret));
+		exit(1);
+	}
+
+	ret = gnutls_privkey_sign_hash(key, GNUTLS_DIG_SHA1, 0, &data, &sig);
+	if (ret < 0) {
+		fail("%d: %s\n", ret, gnutls_strerror(ret));
+		exit(1);
+	}
+
+	gnutls_free(sig.data);
+	sig.data = NULL;
+
+	pid = fork();
+	if (pid != 0) {
+		int status;
+		assert(waitpid(pid, &status, 0) >= 0);
+
+		if (WEXITSTATUS(status) != 0) {
+			fail("child return status was unexpected: %d\n", WEXITSTATUS(status));
+			exit(1);
+		}
+	} else { /* child */
+
+		ret = gnutls_pkcs11_reinit();
+		assert(ret == 0);
+
+		ret = gnutls_privkey_sign_hash(key, GNUTLS_DIG_SHA1, 0, &data, &sig);
+		if (ret < 0) {
+			fail("%d: %s\n", ret, gnutls_strerror(ret));
+			exit(1);
+		}
+
+		gnutls_free(sig.data);		
+		gnutls_privkey_deinit(key);
+		gnutls_pkcs11_deinit();
+		gnutls_global_deinit();
+		exit(0);
+	}
+
+	if (debug)
+		printf("done\n\n\n");
+
+	gnutls_privkey_deinit(key);
+	gnutls_pkcs11_deinit();
+	gnutls_global_deinit();
+}
+#else
+void doit(void)
+{
+	exit(77);
+}
+#endif