thodg/libgit2/tests/online/clone.c

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• Hash : 1e0aa105
  Author :
  Date : 2014-09-16T03:22:09
  

  ssh: expose both hashes The user may have the data hashed as MD5 or SHA-1, so we should provide both types for consumption.

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• tests/online/clone.c

• #include "clar_libgit2.h"
  
  #include "git2/clone.h"
  #include "git2/cred_helpers.h"
  #include "remote.h"
  #include "fileops.h"
  #include "refs.h"
  
  #define LIVE_REPO_URL "http://github.com/libgit2/TestGitRepository"
  #define LIVE_EMPTYREPO_URL "http://github.com/libgit2/TestEmptyRepository"
  #define BB_REPO_URL "https://libgit3@bitbucket.org/libgit2/testgitrepository.git"
  #define BB_REPO_URL_WITH_PASS "https://libgit3:libgit3@bitbucket.org/libgit2/testgitrepository.git"
  #define BB_REPO_URL_WITH_WRONG_PASS "https://libgit3:wrong@bitbucket.org/libgit2/testgitrepository.git"
  
  #define SSH_REPO_URL "ssh://github.com/libgit2/TestGitRepository"
  
  static git_repository *g_repo;
  static git_clone_options g_options;
  
  void test_online_clone__initialize(void)
  {
  	git_checkout_options dummy_opts = GIT_CHECKOUT_OPTIONS_INIT;
  	git_remote_callbacks dummy_callbacks = GIT_REMOTE_CALLBACKS_INIT;
  
  	g_repo = NULL;
  
  	memset(&g_options, 0, sizeof(git_clone_options));
  	g_options.version = GIT_CLONE_OPTIONS_VERSION;
  	g_options.checkout_opts = dummy_opts;
  	g_options.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
  	g_options.remote_callbacks = dummy_callbacks;
  }
  
  void test_online_clone__cleanup(void)
  {
  	if (g_repo) {
  		git_repository_free(g_repo);
  		g_repo = NULL;
  	}
  	cl_fixture_cleanup("./foo");
  }
  
  void test_online_clone__network_full(void)
  {
  	git_remote *origin;
  
  	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
  	cl_assert(!git_repository_is_bare(g_repo));
  	cl_git_pass(git_remote_load(&origin, g_repo, "origin"));
  
  	cl_assert_equal_i(GIT_REMOTE_DOWNLOAD_TAGS_AUTO, origin->download_tags);
  
  	git_remote_free(origin);
  }
  
  void test_online_clone__network_bare(void)
  {
  	git_remote *origin;
  
  	g_options.bare = true;
  
  	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
  	cl_assert(git_repository_is_bare(g_repo));
  	cl_git_pass(git_remote_load(&origin, g_repo, "origin"));
  
  	git_remote_free(origin);
  }
  
  void test_online_clone__empty_repository(void)
  {
  	git_reference *head;
  
  	cl_git_pass(git_clone(&g_repo, LIVE_EMPTYREPO_URL, "./foo", &g_options));
  
  	cl_assert_equal_i(true, git_repository_is_empty(g_repo));
  	cl_assert_equal_i(true, git_repository_head_unborn(g_repo));
  
  	cl_git_pass(git_reference_lookup(&head, g_repo, GIT_HEAD_FILE));
  	cl_assert_equal_i(GIT_REF_SYMBOLIC, git_reference_type(head));
  	cl_assert_equal_s("refs/heads/master", git_reference_symbolic_target(head));
  
  	git_reference_free(head);
  }
  
  static void checkout_progress(const char *path, size_t cur, size_t tot, void *payload)
  {
  	bool *was_called = (bool*)payload;
  	GIT_UNUSED(path); GIT_UNUSED(cur); GIT_UNUSED(tot);
  	(*was_called) = true;
  }
  
  static int fetch_progress(const git_transfer_progress *stats, void *payload)
  {
  	bool *was_called = (bool*)payload;
  	GIT_UNUSED(stats);
  	(*was_called) = true;
  	return 0;
  }
  
  void test_online_clone__can_checkout_a_cloned_repo(void)
  {
  	git_buf path = GIT_BUF_INIT;
  	git_reference *head;
  	bool checkout_progress_cb_was_called = false,
  		  fetch_progress_cb_was_called = false;
  
  	g_options.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE_CREATE;
  	g_options.checkout_opts.progress_cb = &checkout_progress;
  	g_options.checkout_opts.progress_payload = &checkout_progress_cb_was_called;
  	g_options.remote_callbacks.transfer_progress = &fetch_progress;
  	g_options.remote_callbacks.payload = &fetch_progress_cb_was_called;
  
  	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
  
  	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "master.txt"));
  	cl_assert_equal_i(true, git_path_isfile(git_buf_cstr(&path)));
  
  	cl_git_pass(git_reference_lookup(&head, g_repo, "HEAD"));
  	cl_assert_equal_i(GIT_REF_SYMBOLIC, git_reference_type(head));
  	cl_assert_equal_s("refs/heads/master", git_reference_symbolic_target(head));
  
  	cl_assert_equal_i(true, checkout_progress_cb_was_called);
  	cl_assert_equal_i(true, fetch_progress_cb_was_called);
  
  	git_reference_free(head);
  	git_buf_free(&path);
  }
  
  static int remote_mirror_cb(git_remote **out, git_repository *repo,
  			    const char *name, const char *url, void *payload)
  {
  	int error;
  	git_remote *remote;
  	git_remote_callbacks *callbacks = (git_remote_callbacks *) payload;
  
  
  	if ((error = git_remote_create(&remote, repo, name, url)) < 0)
  		return error;
  
  	if ((error = git_remote_set_callbacks(remote, callbacks)) < 0) {
  		git_remote_free(remote);
  		return error;
  	}
  
  	git_remote_clear_refspecs(remote);
  
  	if ((error = git_remote_add_fetch(remote, "+refs/*:refs/*")) < 0) {
  		git_remote_free(remote);
  		return error;
  	}
  
  	*out = remote;
  	return 0;
  }
  
  void test_online_clone__clone_mirror(void)
  {
  	git_clone_options opts = GIT_CLONE_OPTIONS_INIT;
  	git_reference *head;
  	git_remote_callbacks callbacks = GIT_REMOTE_CALLBACKS_INIT;
  
  	bool fetch_progress_cb_was_called = false;
  
  	callbacks.transfer_progress = &fetch_progress;
  	callbacks.payload = &fetch_progress_cb_was_called;
  
  	opts.bare = true;
  	opts.remote_cb = remote_mirror_cb;
  	opts.remote_cb_payload = &callbacks;
  
  	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo.git", &opts));
  
  	cl_git_pass(git_reference_lookup(&head, g_repo, "HEAD"));
  	cl_assert_equal_i(GIT_REF_SYMBOLIC, git_reference_type(head));
  	cl_assert_equal_s("refs/heads/master", git_reference_symbolic_target(head));
  
  	cl_assert_equal_i(true, fetch_progress_cb_was_called);
  
  	git_reference_free(head);
  	git_repository_free(g_repo);
  	g_repo = NULL;
  
  	cl_fixture_cleanup("./foo.git");
  }
  
  static int update_tips(const char *refname, const git_oid *a, const git_oid *b, void *payload)
  {
  	int *callcount = (int*)payload;
  	GIT_UNUSED(refname); GIT_UNUSED(a); GIT_UNUSED(b);
  	*callcount = *callcount + 1;
  	return 0;
  }
  
  void test_online_clone__custom_remote_callbacks(void)
  {
  	int callcount = 0;
  
  	g_options.remote_callbacks.update_tips = update_tips;
  	g_options.remote_callbacks.payload = &callcount;
  
  	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
  	cl_assert(callcount > 0);
  }
  
  static int cred_failure_cb(
  	git_cred **cred,
  	const char *url,
  	const char *username_from_url,
  	unsigned int allowed_types,
  	void *data)
  {
  	GIT_UNUSED(cred); GIT_UNUSED(url); GIT_UNUSED(username_from_url);
  	GIT_UNUSED(allowed_types); GIT_UNUSED(data);
  	return -172;
  }
  
  void test_online_clone__cred_callback_failure_return_code_is_tunnelled(void)
  {
  	const char *remote_url = cl_getenv("GITTEST_REMOTE_URL");
  	const char *remote_user = cl_getenv("GITTEST_REMOTE_USER");
  
  	if (!remote_url || !remote_user)
  		clar__skip();
  
  	g_options.remote_callbacks.credentials = cred_failure_cb;
  
  	cl_git_fail_with(-172, git_clone(&g_repo, remote_url, "./foo", &g_options));
  }
  
  static int cred_count_calls_cb(git_cred **cred, const char *url, const char *user,
  			       unsigned int allowed_types, void *data)
  {
  	size_t *counter = (size_t *) data;
  
  	GIT_UNUSED(url); GIT_UNUSED(user); GIT_UNUSED(allowed_types);
  
  	if (allowed_types == GIT_CREDTYPE_USERNAME)
  		return git_cred_username_new(cred, "foo");
  
  	(*counter)++;
  
  	if (*counter == 3)
  		return GIT_EUSER;
  
  	return git_cred_userpass_plaintext_new(cred, "foo", "bar");
  }
  
  void test_online_clone__cred_callback_called_again_on_auth_failure(void)
  {
  	const char *remote_url = cl_getenv("GITTEST_REMOTE_URL");
  	const char *remote_user = cl_getenv("GITTEST_REMOTE_USER");
  	size_t counter = 0;
  
  	if (!remote_url || !remote_user)
  		clar__skip();
  
  	g_options.remote_callbacks.credentials = cred_count_calls_cb;
  	g_options.remote_callbacks.payload = &counter;
  
  	cl_git_fail_with(GIT_EUSER, git_clone(&g_repo, remote_url, "./foo", &g_options));
  	cl_assert_equal_i(3, counter);
  }
  
  int cred_default(
  	git_cred **cred,
  	const char *url,
  	const char *user_from_url,
  	unsigned int allowed_types,
  	void *payload)
  {
  	GIT_UNUSED(url);
  	GIT_UNUSED(user_from_url);
  	GIT_UNUSED(payload);
  
  	if (!(allowed_types & GIT_CREDTYPE_DEFAULT))
  		return 0;
  
  	return git_cred_default_new(cred);
  }
  
  void test_online_clone__credentials(void)
  {
  	/* Remote URL environment variable must be set.
  	 * User and password are optional.
  	 */
  	const char *remote_url = cl_getenv("GITTEST_REMOTE_URL");
  	git_cred_userpass_payload user_pass = {
  		cl_getenv("GITTEST_REMOTE_USER"),
  		cl_getenv("GITTEST_REMOTE_PASS")
  	};
  
  	if (!remote_url) return;
  
  	if (cl_getenv("GITTEST_REMOTE_DEFAULT")) {
  		g_options.remote_callbacks.credentials = cred_default;
  	} else {
  		g_options.remote_callbacks.credentials = git_cred_userpass;
  		g_options.remote_callbacks.payload = &user_pass;
  	}
  
  	cl_git_pass(git_clone(&g_repo, remote_url, "./foo", &g_options));
  	git_repository_free(g_repo); g_repo = NULL;
  	cl_fixture_cleanup("./foo");
  }
  
  void test_online_clone__bitbucket_style(void)
  {
  	git_cred_userpass_payload user_pass = {
  		"libgit2", "libgit2"
  	};
  
  	g_options.remote_callbacks.credentials = git_cred_userpass;
  	g_options.remote_callbacks.payload = &user_pass;
  
  	cl_git_pass(git_clone(&g_repo, BB_REPO_URL, "./foo", &g_options));
  	git_repository_free(g_repo); g_repo = NULL;
  	cl_fixture_cleanup("./foo");
  
  	/* User and pass from URL */
  	user_pass.password = "wrong";
  	cl_git_pass(git_clone(&g_repo, BB_REPO_URL_WITH_PASS, "./foo", &g_options));
  	git_repository_free(g_repo); g_repo = NULL;
  	cl_fixture_cleanup("./foo");
  
  	/* Wrong password in URL, fall back to user_pass */
  	user_pass.password = "libgit2";
  	cl_git_pass(git_clone(&g_repo, BB_REPO_URL_WITH_WRONG_PASS, "./foo", &g_options));
  	git_repository_free(g_repo); g_repo = NULL;
  	cl_fixture_cleanup("./foo");
  }
  
  static int cancel_at_half(const git_transfer_progress *stats, void *payload)
  {
  	GIT_UNUSED(payload);
  
  	if (stats->received_objects > (stats->total_objects/2))
  		return 4321;
  	return 0;
  }
  
  void test_online_clone__can_cancel(void)
  {
  	g_options.remote_callbacks.transfer_progress = cancel_at_half;
  
  	cl_git_fail_with(
  		git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options), 4321);
  }
  
  static int cred_cb(git_cred **cred, const char *url, const char *user_from_url,
  		   unsigned int allowed_types, void *payload)
  {
  	const char *remote_user = cl_getenv("GITTEST_REMOTE_USER");
  	const char *pubkey = cl_getenv("GITTEST_REMOTE_SSH_PUBKEY");
  	const char *privkey = cl_getenv("GITTEST_REMOTE_SSH_KEY");
  	const char *passphrase = cl_getenv("GITTEST_REMOTE_SSH_PASSPHRASE");
  
  	GIT_UNUSED(url); GIT_UNUSED(user_from_url); GIT_UNUSED(payload);
  
  	if (allowed_types & GIT_CREDTYPE_USERNAME)
  		return git_cred_username_new(cred, remote_user);
  
  	if (allowed_types & GIT_CREDTYPE_SSH_KEY)
  		return git_cred_ssh_key_new(cred, remote_user, pubkey, privkey, passphrase);
  
  	giterr_set(GITERR_NET, "unexpected cred type");
  	return -1;
  }
  
  static int check_ssh_auth_methods(git_cred **cred, const char *url, const char *username_from_url,
  				  unsigned int allowed_types, void *data)
  {
  	int *with_user = (int *) data;
  	GIT_UNUSED(cred); GIT_UNUSED(url); GIT_UNUSED(username_from_url); GIT_UNUSED(data);
  
  	if (!*with_user)
  		cl_assert_equal_i(GIT_CREDTYPE_USERNAME, allowed_types);
  	else
  		cl_assert(!(allowed_types & GIT_CREDTYPE_USERNAME));
  
  	return GIT_EUSER;
  }
  
  void test_online_clone__ssh_auth_methods(void)
  {
  	int with_user;
  
  #ifndef GIT_SSH
  	clar__skip();
  #endif
  	g_options.remote_callbacks.credentials = check_ssh_auth_methods;
  	g_options.remote_callbacks.payload = &with_user;
  
  	with_user = 0;
  	cl_git_fail_with(GIT_EUSER,
  		git_clone(&g_repo, SSH_REPO_URL, "./foo", &g_options));
  
  	with_user = 1;
  	cl_git_fail_with(GIT_EUSER,
  		git_clone(&g_repo, "ssh://git@github.com/libgit2/TestGitRepository", "./foo", &g_options));
  }
  
  static int custom_remote_ssh_with_paths(
  	git_remote **out,
  	git_repository *repo,
  	const char *name,
  	const char *url,
  	void *payload)
  {
  	int error;
  	git_remote_callbacks callbacks = GIT_REMOTE_CALLBACKS_INIT;
  
  	if ((error = git_remote_create(out, repo, name, url)) < 0)
  		return error;
  
  	if ((error = git_remote_set_transport(*out, git_transport_ssh_with_paths, payload)) < 0)
  		return error;
  
  	callbacks.credentials = cred_cb;
  	git_remote_set_callbacks(*out, &callbacks);
  
  	return 0;
  }
  
  void test_online_clone__ssh_with_paths(void)
  {
  	char *bad_paths[] = {
  		"/bin/yes",
  		"/bin/false",
  	};
  	char *good_paths[] = {
  		"/usr/bin/git-upload-pack",
  		"/usr/bin/git-receive-pack",
  	};
  	git_strarray arr = {
  		bad_paths,
  		2,
  	};
  
  	const char *remote_url = cl_getenv("GITTEST_REMOTE_URL");
  	const char *remote_user = cl_getenv("GITTEST_REMOTE_USER");
  
  #ifndef GIT_SSH
  	clar__skip();
  #endif
  	if (!remote_url || !remote_user || strncmp(remote_url, "ssh://", 5) != 0)
  		clar__skip();
  
  	g_options.remote_cb = custom_remote_ssh_with_paths;
  	g_options.remote_cb_payload = &arr;
  
  	cl_git_fail(git_clone(&g_repo, remote_url, "./foo", &g_options));
  
  	arr.strings = good_paths;
  	cl_git_pass(git_clone(&g_repo, remote_url, "./foo", &g_options));
  }
  
  static int cred_foo_bar(git_cred **cred, const char *url, const char *username_from_url,
  				  unsigned int allowed_types, void *data)
  
  {
  	GIT_UNUSED(url); GIT_UNUSED(username_from_url); GIT_UNUSED(allowed_types); GIT_UNUSED(data);
  
  	return git_cred_userpass_plaintext_new(cred, "foo", "bar");
  }
  
  void test_online_clone__ssh_cannot_change_username(void)
  {
  #ifndef GIT_SSH
  	clar__skip();
  #endif
  	g_options.remote_callbacks.credentials = cred_foo_bar;
  
  	cl_git_fail(git_clone(&g_repo, "ssh://git@github.com/libgit2/TestGitRepository", "./foo", &g_options));
  }
  
  int ssh_certificate_check(git_cert *cert, int valid, void *payload)
  {
  	git_cert_hostkey *key;
  	git_oid expected = {{0}}, actual = {{0}};
  	const char *expected_str;
  
  	GIT_UNUSED(valid);
  	GIT_UNUSED(payload);
  
  	expected_str = cl_getenv("GITTEST_REMOTE_SSH_FINGERPRINT");
  	if (!expected_str)
  		cl_skip();
  
  	cl_git_pass(git_oid_fromstrp(&expected, expected_str));
  	cl_assert_equal_i(GIT_CERT_HOSTKEY_LIBSSH2, cert->cert_type);
  	key = (git_cert_hostkey *) cert;
  
  	/*
  	 * We need to figure out how long our input was to check for
  	 * the type. Here we abuse the fact that both hashes fit into
  	 * our git_oid type.
  	 */
  	if (strlen(expected_str) == 32 && key->type & GIT_CERT_SSH_MD5) {
  		memcpy(&actual.id, key->hash_md5, 16);
  	} else 	if (strlen(expected_str) == 40 && key->type & GIT_CERT_SSH_SHA1) {
  		memcpy(&actual, key->hash_sha1, 20);
  	} else {
  		cl_fail("Cannot find a usable SSH hash");
  	}
  
  	cl_assert(!memcmp(&expected, &actual, 20));
  
  	return GIT_EUSER;
  }
  
  void test_online_clone__ssh_cert(void)
  {
  	g_options.remote_callbacks.certificate_check = ssh_certificate_check;
  
  	cl_git_fail_with(GIT_EUSER, git_clone(&g_repo, "ssh://localhost/foo", "./foo", &g_options));
  }
  
  void test_online_clone__url_with_no_path_returns_EINVALIDSPEC(void)
  {
  	cl_git_fail_with(git_clone(&g_repo, "http://github.com", "./foo", &g_options),
  		GIT_EINVALIDSPEC);
  }
  
  static int fail_certificate_check(git_cert *cert, int valid, void *payload)
  {
  	GIT_UNUSED(cert);
  	GIT_UNUSED(valid);
  	GIT_UNUSED(payload);
  
  	return GIT_ECERTIFICATE;
  }
  
  void test_online_clone__certificate_invalid(void)
  {
  	g_options.remote_callbacks.certificate_check = fail_certificate_check;
  
  	cl_git_fail_with(git_clone(&g_repo, "https://github.com/libgit2/TestGitRepository", "./foo", &g_options),
  		GIT_ECERTIFICATE);
  
  #ifdef GIT_SSH
  	cl_git_fail_with(git_clone(&g_repo, "ssh://github.com/libgit2/TestGitRepository", "./foo", &g_options),
  		GIT_ECERTIFICATE);
  #endif
  }
  
  static int succeed_certificate_check(git_cert *cert, int valid, void *payload)
  {
  	GIT_UNUSED(cert);
  	GIT_UNUSED(valid);
  	GIT_UNUSED(payload);
  
  	return 0;
  }
  
  void test_online_clone__certificate_valid(void)
  {
  	g_options.remote_callbacks.certificate_check = succeed_certificate_check;
  
  	cl_git_pass(git_clone(&g_repo, "https://github.com/libgit2/TestGitRepository", "./foo", &g_options));
  }
  

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