src/test/test-hash.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2016 Lennart Poettering
   6 ***/
   7
   8 #include <errno.h>
   9 #include <stdio.h>
  10
  11 #include "alloc-util.h"
  12 #include "log.h"
  13 #include "string-util.h"
  14 #include "khash.h"
  15
  16 int main(int argc, char *argv[]) {
  17         _cleanup_(khash_unrefp) khash *h = NULL, *copy = NULL;
  18         _cleanup_free_ char *s = NULL;
  19         int r;
  20
  21         log_set_max_level(LOG_DEBUG);
  22
  23         assert_se(khash_new(&h, NULL) == -EINVAL);
  24         assert_se(khash_new(&h, "") == -EINVAL);
  25
  26         r = khash_supported();
  27         assert_se(r >= 0);
  28         if (r == 0) {
  29                 puts("khash not supported on this kernel, skipping");
  30                 return EXIT_TEST_SKIP;
  31         }
  32
  33         assert_se(khash_new(&h, "foobar") == -EOPNOTSUPP); /* undefined hash function */
  34
  35         assert_se(khash_new(&h, "sha256") >= 0);
  36         assert_se(khash_get_size(h) == 32);
  37         assert_se(streq(khash_get_algorithm(h), "sha256"));
  38
  39         assert_se(khash_digest_string(h, &s) >= 0);
  40         assert_se(streq(s, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"));
  41         s = mfree(s);
  42
  43         assert_se(khash_put(h, "foobar", 6) >= 0);
  44         assert_se(khash_digest_string(h, &s) >= 0);
  45         assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
  46         s = mfree(s);
  47
  48         assert_se(khash_put(h, "piep", 4) >= 0);
  49         assert_se(khash_digest_string(h, &s) >= 0);
  50         assert_se(streq(s, "f114d872b5ea075d3be9040d0b7a429514b3f9324a8e8e3dc3fb24c34ee56bea"));
  51         s = mfree(s);
  52
  53         assert_se(khash_put(h, "foo", 3) >= 0);
  54         assert_se(khash_dup(h, &copy) >= 0);
  55
  56         assert_se(khash_put(h, "bar", 3) >= 0);
  57         assert_se(khash_put(copy, "bar", 3) >= 0);
  58
  59         assert_se(khash_digest_string(h, &s) >= 0);
  60         assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
  61         s = mfree(s);
  62
  63         assert_se(khash_digest_string(copy, &s) >= 0);
  64         assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
  65         s = mfree(s);
  66
  67         h = khash_unref(h);
  68
  69         assert_se(khash_new_with_key(&h, "hmac(sha256)", "quux", 4) >= 0);
  70         assert_se(khash_get_size(h) == 32);
  71         assert_se(streq(khash_get_algorithm(h), "hmac(sha256)"));
  72
  73         assert_se(khash_digest_string(h, &s) >= 0);
  74         assert_se(streq(s, "abed9f8218ab473f77218a6a7d39abf1d21fa46d0700c4898e330ba88309d5ae"));
  75         s = mfree(s);
  76
  77         assert_se(khash_put(h, "foobar", 6) >= 0);
  78         assert_se(khash_digest_string(h, &s) >= 0);
  79         assert_se(streq(s, "33f6c70a60db66007d5325d5d1dea37c371354e5b83347a59ad339ce9f4ba3dc"));
  80
  81         return 0;
  82 }