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-rw-r--r--src/libstrongswan/crypto/crypto_factory.c18
-rw-r--r--src/libstrongswan/tests/Makefile.am1
-rw-r--r--src/libstrongswan/tests/suites/test_crypto_factory.c312
-rw-r--r--src/libstrongswan/tests/tests.h1
4 files changed, 327 insertions, 5 deletions
diff --git a/src/libstrongswan/crypto/crypto_factory.c b/src/libstrongswan/crypto/crypto_factory.c
index 6dea30ee3..96fbc0d87 100644
--- a/src/libstrongswan/crypto/crypto_factory.c
+++ b/src/libstrongswan/crypto/crypto_factory.c
@@ -392,10 +392,10 @@ METHOD(crypto_factory_t, create_dh, diffie_hellman_t*,
/**
* Insert an algorithm entry to a list
*
- * Entries are sorted by algorithm identifier (which is important for RNGs)
- * while maintaining the order in which algorithms were added, unless they were
+ * Entries maintain the order in which algorithms were added, unless they were
* benchmarked and speed is provided, which then is used to order entries of
* the same algorithm.
+ * An exception are RNG entries, which are sorted by algorithm identifier.
*/
static void add_entry(private_crypto_factory_t *this, linked_list_t *list,
int algo, const char *plugin_name,
@@ -403,6 +403,7 @@ static void add_entry(private_crypto_factory_t *this, linked_list_t *list,
{
enumerator_t *enumerator;
entry_t *entry, *current;
+ bool sort = (list == this->rngs), found = FALSE;
INIT(entry,
.algo = algo,
@@ -415,12 +416,19 @@ static void add_entry(private_crypto_factory_t *this, linked_list_t *list,
enumerator = list->create_enumerator(list);
while (enumerator->enumerate(enumerator, &current))
{
- if (current->algo > algo)
+ if (sort && current->algo > algo)
{
break;
}
- else if (current->algo == algo && speed &&
- current->speed < speed)
+ else if (current->algo == algo)
+ {
+ if (speed > current->speed)
+ {
+ break;
+ }
+ found = TRUE;
+ }
+ else if (found)
{
break;
}
diff --git a/src/libstrongswan/tests/Makefile.am b/src/libstrongswan/tests/Makefile.am
index b5fb45a1f..e8e8090f3 100644
--- a/src/libstrongswan/tests/Makefile.am
+++ b/src/libstrongswan/tests/Makefile.am
@@ -42,6 +42,7 @@ tests_SOURCES = tests.h tests.c \
suites/test_host.c \
suites/test_hasher.c \
suites/test_crypter.c \
+ suites/test_crypto_factory.c \
suites/test_pen.c \
suites/test_asn1.c \
suites/test_asn1_parser.c \
diff --git a/src/libstrongswan/tests/suites/test_crypto_factory.c b/src/libstrongswan/tests/suites/test_crypto_factory.c
new file mode 100644
index 000000000..94f45dada
--- /dev/null
+++ b/src/libstrongswan/tests/suites/test_crypto_factory.c
@@ -0,0 +1,312 @@
+/*
+ * Copyright (C) 2014 Tobias Brunner
+ * 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 "test_suite.h"
+
+#include <crypto/crypto_factory.h>
+
+static rng_t *rng_create(rng_quality_t quality)
+{
+ rng_quality_t *q = malloc_thing(rng_quality_t);
+ *q = quality;
+ return (rng_t*)q;
+}
+
+static rng_t *rng_create_weak(rng_quality_t quality)
+{
+ ck_assert(quality == RNG_WEAK);
+ return rng_create(RNG_WEAK);
+}
+
+static rng_t *rng_create_strong(rng_quality_t quality)
+{
+ ck_assert(quality <= RNG_STRONG);
+ return rng_create(RNG_STRONG);
+}
+
+static rng_t *rng_create_true(rng_quality_t quality)
+{
+ ck_assert(quality <= RNG_TRUE);
+ return rng_create(RNG_TRUE);
+}
+
+static rng_t *rng_create_true_second(rng_quality_t quality)
+{
+ fail("should never be called");
+ return rng_create(RNG_TRUE);
+}
+
+static rng_quality_t rng_weak = RNG_WEAK;
+static rng_quality_t rng_strong = RNG_STRONG;
+static rng_quality_t rng_true = RNG_TRUE;
+
+static struct {
+ rng_quality_t *exp_weak;
+ rng_quality_t *exp_strong;
+ rng_quality_t *exp_true;
+ struct {
+ rng_quality_t *q;
+ rng_constructor_t create;
+ } data[4];
+} rng_data[] = {
+ { NULL, NULL, NULL, {
+ { NULL, NULL }
+ }},
+ { &rng_weak, NULL, NULL, {
+ { &rng_weak, rng_create_weak },
+ { NULL, NULL }
+ }},
+ { &rng_strong, &rng_strong, NULL, {
+ { &rng_strong, rng_create_strong },
+ { NULL, NULL }
+ }},
+ { &rng_true, &rng_true, &rng_true, {
+ { &rng_true, rng_create_true },
+ { NULL, NULL }
+ }},
+ { &rng_true, &rng_true, &rng_true, {
+ { &rng_true, rng_create_true },
+ { &rng_true, rng_create_true_second },
+ { NULL, NULL }
+ }},
+ { &rng_weak, &rng_true, &rng_true, {
+ { &rng_weak, rng_create_weak },
+ { &rng_true, rng_create_true },
+ { NULL, NULL }
+ }},
+ { &rng_weak, &rng_strong, &rng_true, {
+ { &rng_true, rng_create_true },
+ { &rng_strong, rng_create_strong },
+ { &rng_weak, rng_create_weak },
+ { NULL, NULL }
+ }},
+ { &rng_weak, &rng_strong, &rng_true, {
+ { &rng_weak, rng_create_weak },
+ { &rng_strong, rng_create_strong },
+ { &rng_true, rng_create_true },
+ { NULL, NULL }
+ }},
+};
+
+static void verify_rng(crypto_factory_t *factory, rng_quality_t request,
+ rng_quality_t *expected)
+{
+ rng_quality_t *res;
+
+ res = (rng_quality_t*)factory->create_rng(factory, request);
+ if (!expected)
+ {
+ ck_assert(!res);
+ }
+ else
+ {
+ ck_assert(res);
+ ck_assert_int_eq(*expected, *res);
+ free(res);
+ }
+}
+
+START_TEST(test_create_rng)
+{
+ crypto_factory_t *factory;
+ int i;
+
+ factory = crypto_factory_create();
+ for (i = 0; rng_data[_i].data[i].q; i++)
+ {
+ ck_assert(factory->add_rng(factory, *rng_data[_i].data[i].q, "test",
+ rng_data[_i].data[i].create));
+ }
+ verify_rng(factory, RNG_WEAK, rng_data[_i].exp_weak);
+ verify_rng(factory, RNG_STRONG, rng_data[_i].exp_strong);
+ verify_rng(factory, RNG_TRUE, rng_data[_i].exp_true);
+ for (i = 0; rng_data[_i].data[i].q; i++)
+ {
+ factory->remove_rng(factory, rng_data[_i].data[i].create);
+ }
+ factory->destroy(factory);
+}
+END_TEST
+
+static diffie_hellman_t *dh_create(char *plugin)
+{
+ return (diffie_hellman_t*)plugin;
+}
+
+static diffie_hellman_t *dh_create_modp1024(diffie_hellman_group_t group, ...)
+{
+ ck_assert(group == MODP_1024_BIT);
+ return dh_create("plugin1");
+}
+
+static diffie_hellman_t *dh_create_modp1024_second(diffie_hellman_group_t group,
+ ...)
+{
+ ck_assert(group == MODP_1024_BIT);
+ return dh_create("plugin2");
+}
+
+static diffie_hellman_t *dh_create_modp2048(diffie_hellman_group_t group, ...)
+{
+ ck_assert(group == MODP_2048_BIT);
+ return dh_create("plugin1");
+}
+
+static diffie_hellman_t *dh_create_modp2048_second(diffie_hellman_group_t group,
+ ...)
+{
+ ck_assert(group == MODP_2048_BIT);
+ return dh_create("plugin2");
+}
+
+static struct {
+ char *exp1024;
+ char *exp2048;
+ struct {
+ diffie_hellman_group_t g;
+ dh_constructor_t create;
+ char *plugin;
+ } data[4];
+} dh_data[] = {
+ { NULL, NULL, {
+ { MODP_NONE, NULL, NULL }
+ }},
+ { "plugin1", NULL, {
+ { MODP_1024_BIT, dh_create_modp1024, "plugin1" },
+ { MODP_NONE, NULL, NULL }
+ }},
+ { "plugin1", NULL, {
+ { MODP_1024_BIT, dh_create_modp1024, "plugin1" },
+ { MODP_1024_BIT, dh_create_modp1024_second, "plugin2" },
+ { MODP_NONE, NULL, NULL }
+ }},
+ { "plugin2", NULL, {
+ { MODP_1024_BIT, dh_create_modp1024_second, "plugin2" },
+ { MODP_1024_BIT, dh_create_modp1024, "plugin1" },
+ { MODP_NONE, NULL, NULL }
+ }},
+ { "plugin1", "plugin1", {
+ { MODP_1024_BIT, dh_create_modp1024, "plugin1" },
+ { MODP_2048_BIT, dh_create_modp2048, "plugin1" },
+ { MODP_NONE, NULL }
+ }},
+ { "plugin1", "plugin1", {
+ { MODP_2048_BIT, dh_create_modp2048, "plugin1" },
+ { MODP_1024_BIT, dh_create_modp1024, "plugin1" },
+ { MODP_NONE, NULL }
+ }},
+ { "plugin1", "plugin1", {
+ { MODP_2048_BIT, dh_create_modp2048, "plugin1" },
+ { MODP_2048_BIT, dh_create_modp2048_second, "plugin2" },
+ { MODP_1024_BIT, dh_create_modp1024, "plugin1" },
+ { MODP_NONE, NULL }
+ }},
+ { "plugin1", "plugin2", {
+ { MODP_2048_BIT, dh_create_modp2048_second, "plugin2" },
+ { MODP_2048_BIT, dh_create_modp2048, "plugin1" },
+ { MODP_1024_BIT, dh_create_modp1024, "plugin1" },
+ { MODP_NONE, NULL }
+ }},
+};
+
+static void verify_dh(crypto_factory_t *factory, diffie_hellman_group_t request,
+ char *expected)
+{
+ char *plugin;
+
+ plugin = (char*)factory->create_dh(factory, request);
+ if (!expected)
+ {
+ ck_assert(!plugin);
+ }
+ else
+ {
+ ck_assert(plugin);
+ ck_assert_str_eq(expected, plugin);
+ }
+}
+
+START_TEST(test_create_dh)
+{
+ enumerator_t *enumerator;
+ crypto_factory_t *factory;
+ diffie_hellman_group_t group;
+ char *plugin;
+ int i, len = 0;
+
+
+ factory = crypto_factory_create();
+ for (i = 0; dh_data[_i].data[i].g != MODP_NONE; i++)
+ {
+ ck_assert(factory->add_dh(factory, dh_data[_i].data[i].g,
+ dh_data[_i].data[i].plugin,
+ dh_data[_i].data[i].create));
+ }
+ verify_dh(factory, MODP_1024_BIT, dh_data[_i].exp1024);
+ verify_dh(factory, MODP_2048_BIT, dh_data[_i].exp2048);
+
+ len = countof(dh_data[_i].data);
+ enumerator = factory->create_dh_enumerator(factory);
+ for (i = 0; enumerator->enumerate(enumerator, &group, &plugin) && i < len;)
+ {
+ ck_assert_int_eq(dh_data[_i].data[i].g, group);
+ while (dh_data[_i].data[i].g == group)
+ { /* skip other entries by the same group */
+ i++;
+ }
+ switch (group)
+ {
+ case MODP_1024_BIT:
+ ck_assert(dh_data[_i].exp1024);
+ ck_assert_str_eq(dh_data[_i].exp1024, plugin);
+ break;
+ case MODP_2048_BIT:
+ ck_assert(dh_data[_i].exp2048);
+ ck_assert_str_eq(dh_data[_i].exp2048, plugin);
+ break;
+ default:
+ fail("unexpected DH group");
+ break;
+ }
+ }
+ ck_assert(!enumerator->enumerate(enumerator));
+ ck_assert_int_eq(dh_data[_i].data[i].g, MODP_NONE);
+ enumerator->destroy(enumerator);
+
+ for (i = 0; dh_data[_i].data[i].g != MODP_NONE; i++)
+ {
+ factory->remove_dh(factory, dh_data[_i].data[i].create);
+ }
+ factory->destroy(factory);
+}
+END_TEST
+
+Suite *crypto_factory_suite_create()
+{
+ Suite *s;
+ TCase *tc;
+
+ s = suite_create("crypto-factory");
+
+ tc = tcase_create("create_rng");
+ tcase_add_loop_test(tc, test_create_rng, 0, countof(rng_data));
+ suite_add_tcase(s, tc);
+
+ tc = tcase_create("create_dh");
+ tcase_add_loop_test(tc, test_create_dh, 0, countof(dh_data));
+ suite_add_tcase(s, tc);
+
+ return s;
+}
diff --git a/src/libstrongswan/tests/tests.h b/src/libstrongswan/tests/tests.h
index 82a5137c1..ab0f642e4 100644
--- a/src/libstrongswan/tests/tests.h
+++ b/src/libstrongswan/tests/tests.h
@@ -35,6 +35,7 @@ TEST_SUITE(host_suite_create)
TEST_SUITE(printf_suite_create)
TEST_SUITE(hasher_suite_create)
TEST_SUITE(crypter_suite_create)
+TEST_SUITE(crypto_factory_suite_create)
TEST_SUITE(pen_suite_create)
TEST_SUITE(asn1_suite_create)
TEST_SUITE(asn1_parser_suite_create)