Merge pull request #4686 from poettering/machine-id-app-specific

Add new "khash" API and add new sd_id128_get_machine_app_specific() function

2 files changed, 88 insertions, 0 deletions

diff --git a/src/test/test-hash.c b/src/test/test-hash.c
new file mode 100644
index 0000000000..1972b94cfe
--- /dev/null
+++ b/src/test/test-hash.c
@@ -0,0 +1,82 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2016 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "alloc-util.h"
+#include "log.h"
+#include "string-util.h"
+#include "khash.h"
+
+int main(int argc, char *argv[]) {
+        _cleanup_(khash_unrefp) khash *h = NULL, *copy = NULL;
+        _cleanup_free_ char *s = NULL;
+
+        log_set_max_level(LOG_DEBUG);
+
+        assert_se(khash_new(&h, NULL) == -EINVAL);
+        assert_se(khash_new(&h, "") == -EINVAL);
+        assert_se(khash_new(&h, "foobar") == -EOPNOTSUPP);
+
+        assert_se(khash_new(&h, "sha256") >= 0);
+        assert_se(khash_get_size(h) == 32);
+        assert_se(streq(khash_get_algorithm(h), "sha256"));
+
+        assert_se(khash_digest_string(h, &s) >= 0);
+        assert_se(streq(s, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"));
+        s = mfree(s);
+
+        assert_se(khash_put(h, "foobar", 6) >= 0);
+        assert_se(khash_digest_string(h, &s) >= 0);
+        assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
+        s = mfree(s);
+
+        assert_se(khash_put(h, "piep", 4) >= 0);
+        assert_se(khash_digest_string(h, &s) >= 0);
+        assert_se(streq(s, "f114d872b5ea075d3be9040d0b7a429514b3f9324a8e8e3dc3fb24c34ee56bea"));
+        s = mfree(s);
+
+        assert_se(khash_put(h, "foo", 3) >= 0);
+        assert_se(khash_dup(h, &copy) >= 0);
+
+        assert_se(khash_put(h, "bar", 3) >= 0);
+        assert_se(khash_put(copy, "bar", 3) >= 0);
+
+        assert_se(khash_digest_string(h, &s) >= 0);
+        assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
+        s = mfree(s);
+
+        assert_se(khash_digest_string(copy, &s) >= 0);
+        assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
+        s = mfree(s);
+
+        h = khash_unref(h);
+
+        assert_se(khash_new_with_key(&h, "hmac(sha256)", "quux", 4) >= 0);
+        assert_se(khash_get_size(h) == 32);
+        assert_se(streq(khash_get_algorithm(h), "hmac(sha256)"));
+
+        assert_se(khash_digest_string(h, &s) >= 0);
+        assert_se(streq(s, "abed9f8218ab473f77218a6a7d39abf1d21fa46d0700c4898e330ba88309d5ae"));
+        s = mfree(s);
+
+        assert_se(khash_put(h, "foobar", 6) >= 0);
+        assert_se(khash_digest_string(h, &s) >= 0);
+        assert_se(streq(s, "33f6c70a60db66007d5325d5d1dea37c371354e5b83347a59ad339ce9f4ba3dc"));
+
+        return 0;
+}
diff --git a/src/test/test-id128.c b/src/test/test-id128.c
index 1c8e5549da..ab5a111ba9 100644
--- a/src/test/test-id128.c
+++ b/src/test/test-id128.c
@@ -153,5 +153,11 @@ int main(int argc, char *argv[]) {
         assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
         assert_se(sd_id128_equal(id, id2));
 
+        assert_se(sd_id128_get_machine_app_specific(SD_ID128_MAKE(f0,3d,aa,eb,1c,33,4b,43,a7,32,17,29,44,bf,77,2e), &id) >= 0);
+        assert_se(sd_id128_get_machine_app_specific(SD_ID128_MAKE(f0,3d,aa,eb,1c,33,4b,43,a7,32,17,29,44,bf,77,2e), &id2) >= 0);
+        assert_se(sd_id128_equal(id, id2));
+        assert_se(sd_id128_get_machine_app_specific(SD_ID128_MAKE(51,df,0b,4b,c3,b0,4c,97,80,e2,99,b9,8c,a3,73,b8), &id2) >= 0);
+        assert_se(!sd_id128_equal(id, id2));
+
         return 0;
 }