tests/core/sha1.c

   1 #include "clar_libgit2.h"
   2 #include "hash.h"
   3
   4 #define FIXTURE_DIR "sha1"
   5
   6 void test_core_sha1__initialize(void)
   7 {
   8         cl_fixture_sandbox(FIXTURE_DIR);
   9 }
  10
  11 void test_core_sha1__cleanup(void)
  12 {
  13         cl_fixture_cleanup(FIXTURE_DIR);
  14 }
  15
  16 static int sha1_file(git_oid *oid, const char *filename)
  17 {
  18         git_hash_ctx ctx;
  19         char buf[2048];
  20         int fd, ret;
  21         ssize_t read_len;
  22
  23         fd = p_open(filename, O_RDONLY);
  24         cl_assert(fd >= 0);
  25
  26         cl_git_pass(git_hash_ctx_init(&ctx));
  27
  28         while ((read_len = p_read(fd, buf, 2048)) > 0)
  29                 cl_git_pass(git_hash_update(&ctx, buf, (size_t)read_len));
  30
  31         cl_assert_equal_i(0, read_len);
  32         p_close(fd);
  33
  34         ret = git_hash_final(oid, &ctx);
  35         git_hash_ctx_cleanup(&ctx);
  36
  37         return ret;
  38 }
  39
  40 void test_core_sha1__sum(void)
  41 {
  42         git_oid oid, expected;
  43
  44         cl_git_pass(sha1_file(&oid, FIXTURE_DIR "/hello_c"));
  45         git_oid_fromstr(&expected, "4e72679e3ea4d04e0c642f029e61eb8056c7ed94");
  46         cl_assert_equal_oid(&expected, &oid);
  47 }
  48
  49 /* test that sha1 collision detection works when enabled */
  50 void test_core_sha1__detect_collision_attack(void)
  51 {
  52         git_oid oid, expected;
  53
  54 #ifdef GIT_SHA1_COLLISIONDETECT
  55         GIT_UNUSED(expected);
  56         cl_git_fail(sha1_file(&oid, FIXTURE_DIR "/shattered-1.pdf"));
  57         cl_assert_equal_s("SHA1 collision attack detected", git_error_last()->message);
  58 #else
  59         cl_git_pass(sha1_file(&oid, FIXTURE_DIR "/shattered-1.pdf"));
  60         git_oid_fromstr(&expected, "38762cf7f55934b34d179ae6a4c80cadccbb7f0a");
  61         cl_assert_equal_oid(&expected, &oid);
  62 #endif
  63 }
  64