tests: added PKCS#11 test for pin inputgnutls_3_3_x-pin-value

This introduces a test on PIN input to retrieve an object using
pin-value and pin-source (file).

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

2 files changed, 200 insertions, 1 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 1ffe8e0c8f..20ed79cb5f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -113,7 +113,8 @@ pkcs11_import_url_privkey_LDADD = $(LDADD) $(LIBDL)
 
 ctests += pkcs11-cert-import-url-exts pkcs11-get-exts pkcs11-get-raw-issuer-exts \
 	pkcs11/pkcs11-chainverify pkcs11/pkcs11-get-issuer pkcs11/pkcs11-is-known \
-	pkcs11/pkcs11-combo pkcs11-import-url-privkey pkcs11/pkcs11-pubkey-import-rsa
+	pkcs11/pkcs11-combo pkcs11-import-url-privkey pkcs11/pkcs11-pubkey-import-rsa \
+	pkcs11/pkcs11-import-with-pin
 
 endif
 endif
diff --git a/tests/pkcs11/pkcs11-import-with-pin.c b/tests/pkcs11/pkcs11-import-with-pin.c
new file mode 100644
index 0000000000..e435919271
--- /dev/null
+++ b/tests/pkcs11/pkcs11-import-with-pin.c
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 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 <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+#include <gnutls/abstract.h>
+
+#include "../utils.h"
+#include "softhsm.h"
+
+/* Tests whether a protected object is imported with PIN obtained using
+ * pin-value or pin-source. */
+
+#define CONFIG_NAME "softhsm-import-with-pin"
+#define CONFIG CONFIG_NAME".config"
+
+#include "../cert-common.h"
+
+#define PIN "1234"
+
+static const gnutls_datum_t testdata = {(void*)"test test", 9};
+
+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;
+}
+
+static void write_pin(const char *file, const char *pin)
+{
+	FILE *fp = fopen(file, "w");
+	assert(fp != NULL);
+	fputs(pin, fp);
+	fclose(fp);
+}
+
+void doit()
+{
+	char buf[512];
+	int ret, pk;
+	const char *lib, *bin;
+	gnutls_x509_privkey_t key;
+	gnutls_datum_t tmp, sig;
+	gnutls_privkey_t pkey;
+	char file[TMPNAME_SIZE];
+
+#ifndef P11_KIT_HAS_PIN_VALUE
+	exit(77);
+#endif
+
+	bin = softhsm_bin();
+
+	lib = softhsm_lib();
+
+	ret = global_init();
+	if (ret != 0) {
+		fail("%d: %s\n", ret, gnutls_strerror(ret));
+		exit(1);
+	}
+
+	gnutls_pkcs11_set_pin_function(pin_func, NULL);
+	gnutls_global_set_log_function(tls_log_func);
+	if (debug)
+		gnutls_global_set_log_level(4711);
+
+	set_softhsm_conf(CONFIG);
+	snprintf(buf, sizeof(buf), "%s --init-token --slot 0 --label test --so-pin "PIN" --pin "PIN, bin);
+	system(buf);
+
+	ret = gnutls_pkcs11_add_provider(lib, "trusted");
+	if (ret < 0) {
+		fprintf(stderr, "add_provider: %s\n",
+			gnutls_strerror(ret));
+		exit(1);
+	}
+
+	ret = gnutls_x509_privkey_init(&key);
+	if (ret < 0) {
+		fprintf(stderr,
+			"gnutls_x509_privkey_init: %s\n",
+			gnutls_strerror(ret));
+		exit(1);
+	}
+
+	ret =
+	    gnutls_x509_privkey_import(key, &server_key,
+				   GNUTLS_X509_FMT_PEM);
+	if (ret < 0) {
+		fprintf(stderr,
+			"gnutls_x509_privkey_import: %s\n",
+			gnutls_strerror(ret));
+			exit(1);
+	}
+
+	/* initialize softhsm token */
+	ret = gnutls_pkcs11_token_init(SOFTHSM_URL, PIN, "test");
+	if (ret < 0) {
+		fail("gnutls_pkcs11_token_init: %s\n", gnutls_strerror(ret));
+		exit(1);
+	}
+
+	ret = gnutls_pkcs11_token_set_pin(SOFTHSM_URL, NULL, PIN, GNUTLS_PIN_USER);
+	if (ret < 0) {
+		fail("gnutls_pkcs11_token_set_pin: %s\n", gnutls_strerror(ret));
+		exit(1);
+	}
+
+	ret = gnutls_pkcs11_copy_x509_privkey(SOFTHSM_URL, key, "cert", GNUTLS_KEY_DIGITAL_SIGNATURE|GNUTLS_KEY_KEY_ENCIPHERMENT,
+					      GNUTLS_PKCS11_OBJ_FLAG_MARK_PRIVATE|GNUTLS_PKCS11_OBJ_FLAG_MARK_SENSITIVE|GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
+	if (ret < 0) {
+		fail("gnutls_pkcs11_copy_x509_privkey: %s\n", gnutls_strerror(ret));
+		exit(1);
+	}
+
+	gnutls_x509_privkey_deinit(key);
+	gnutls_pkcs11_set_pin_function(NULL, NULL);
+
+	assert(gnutls_privkey_init(&pkey) == 0);
+
+	/* Test 1
+	 * Try importing with pin-value */
+	ret = gnutls_privkey_import_pkcs11_url(pkey, SOFTHSM_URL";object=cert;object-type=private;pin-value="PIN);
+	if (ret < 0) {
+		fprintf(stderr, "error in %d: %s\n", __LINE__, gnutls_strerror(ret));
+		exit(1);
+	}
+
+	/* check whether privkey is operational by signing */
+	assert(gnutls_privkey_sign_data(pkey, GNUTLS_DIG_SHA256, 0, &testdata, &sig) == 0);
+	gnutls_free(sig.data);
+	gnutls_privkey_deinit(pkey);
+
+	/* Test 2
+	 * Try importing with pin-source */
+	track_temp_files();
+	get_tmpname(file);
+
+	write_pin(file, PIN);
+
+
+	assert(gnutls_privkey_init(&pkey) == 0);
+	snprintf(buf, sizeof(buf), "%s;object=cert;object-type=private;pin-source=%s", SOFTHSM_URL, file);
+	ret = gnutls_privkey_import_pkcs11_url(pkey, buf);
+	if (ret < 0) {
+		fprintf(stderr, "error in %d: %s\n", __LINE__, gnutls_strerror(ret));
+		exit(1);
+	}
+
+	/* check whether privkey is operational by signing */
+	assert(gnutls_privkey_sign_data(pkey, GNUTLS_DIG_SHA256, 0, &testdata, &sig) == 0);
+	gnutls_free(sig.data);
+	gnutls_privkey_deinit(pkey);
+
+	gnutls_global_deinit();
+	delete_temp_files();
+
+	remove(CONFIG);
+}
+