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ostree/tests/test-basic-c.c
Marcus Folkesson 6bf4b3e1d8 Add SPDX-License-Identifier to source files 
SPDX License List is a list of (common) open source
licenses that can be referred to by a “short identifier”.
It has several advantages compared to the common "license header texts"
usually found in source files.

Some of the advantages:
* It is precise; there is no ambiguity due to variations in license header
  text
* It is language neutral
* It is easy to machine process
* It is concise
* It is simple and can be used without much cost in interpreted
  environments like java Script, etc.
* An SPDX license identifier is immutable.
* It provides simple guidance for developers who want to make sure the
  license for their code is respected

See http://spdx.org for further reading.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>

Closes: #1439
Approved by: cgwalters
2018-01-30 20:03:42 +00:00

457 lines
16 KiB
C
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/*
* Copyright (C) 2016 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.0+
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <gio/gio.h>
#include <string.h>
#include <err.h>
#include "libglnx.h"
#include "libostreetest.h"
static void
test_repo_is_not_system (gconstpointer data)
{
OstreeRepo *repo = (void*)data;
g_assert (!ostree_repo_is_system (repo));
}
static GBytes *
input_stream_to_bytes (GInputStream *input)
{
g_autoptr(GOutputStream) mem_out_stream = NULL;
g_autoptr(GError) error = NULL;
if (input == NULL)
return g_bytes_new (NULL, 0);
mem_out_stream = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
g_output_stream_splice (mem_out_stream,
input,
G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
NULL,
&error);
g_assert_no_error (error);
return g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (mem_out_stream));
}
static void
test_raw_file_to_archive_stream (gconstpointer data)
{
OstreeRepo *repo = OSTREE_REPO (data);
g_autofree gchar *commit_checksum = NULL;
g_autoptr(GHashTable) reachable = NULL;
g_autoptr(GError) error = NULL;
/* branch name of the test repository, see setup_test_repository in libtest.sh */
const gchar *rev = "test2";
GHashTableIter iter;
GVariant *serialized_object;
guint checks = 0;
ostree_repo_resolve_rev (repo,
rev,
FALSE,
&commit_checksum,
&error);
g_assert_no_error (error);
ostree_repo_traverse_commit (repo,
commit_checksum,
-1,
&reachable,
NULL,
&error);
g_assert_no_error (error);
g_hash_table_iter_init (&iter, reachable);
while (g_hash_table_iter_next (&iter, (gpointer*)&serialized_object, NULL))
{
const gchar *object_checksum;
OstreeObjectType object_type;
g_autoptr(GInputStream) input = NULL;
g_autoptr(GFileInfo) info = NULL;
g_autoptr(GVariant) xattrs = NULL;
g_autoptr(GBytes) input_bytes = NULL;
g_autoptr(GInputStream) mem_input = NULL;
g_autoptr(GInputStream) zlib_stream = NULL;
g_autoptr(GBytes) zlib_bytes = NULL;
g_autoptr(GInputStream) mem_zlib = NULL;
g_autoptr(GInputStream) input2 = NULL;
g_autoptr(GFileInfo) info2 = NULL;
g_autoptr(GVariant) xattrs2 = NULL;
g_autoptr(GBytes) input2_bytes = NULL;
ostree_object_name_deserialize (serialized_object, &object_checksum, &object_type);
if (object_type != OSTREE_OBJECT_TYPE_FILE)
continue;
ostree_repo_load_file (repo,
object_checksum,
&input,
&info,
&xattrs,
NULL,
&error);
g_assert_no_error (error);
input_bytes = input_stream_to_bytes (input);
/* This is to simulate NULL input received from
* ostree_repo_load_file. Instead of creating the mem_input
* variable, I could also rewind the input stream and pass it to
* the function below, but this would assume that the input
* stream implements either the GSeekable or
* GFileDescriptorBased interface. */
if (input != NULL)
mem_input = g_memory_input_stream_new_from_bytes (input_bytes);
ostree_raw_file_to_archive_z2_stream (mem_input,
info,
xattrs,
&zlib_stream,
NULL,
&error);
g_assert_no_error (error);
zlib_bytes = input_stream_to_bytes (zlib_stream);
mem_zlib = g_memory_input_stream_new_from_bytes (zlib_bytes);
ostree_content_stream_parse (FALSE,
mem_zlib,
g_bytes_get_size (zlib_bytes),
FALSE,
&input2,
&info2,
&xattrs2,
NULL,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_FAILED);
g_clear_error (&error);
g_seekable_seek (G_SEEKABLE (mem_zlib),
0,
G_SEEK_SET,
NULL,
&error);
g_assert_no_error (error);
ostree_content_stream_parse (TRUE,
mem_zlib,
g_bytes_get_size (zlib_bytes),
FALSE,
&input2,
&info2,
&xattrs2,
NULL,
&error);
g_assert_no_error (error);
input2_bytes = input_stream_to_bytes (input2);
g_assert_true (g_bytes_equal (input_bytes, input2_bytes));
g_assert_true (g_variant_equal (xattrs, xattrs2));
/* TODO: Not sure how to compare fileinfos */
++checks;
}
/* to make sure we really tested the function */
g_assert_cmpint (checks, >, 0);
}
static gboolean hi_content_stream_new (GInputStream **out_stream,
guint64 *out_length,
GError **error)
{
static const char hi[] = "hi";
g_autoptr(GMemoryInputStream) hi_memstream = (GMemoryInputStream*)g_memory_input_stream_new_from_data (hi, sizeof(hi)-1, NULL);
g_autoptr(GFileInfo) finfo = g_file_info_new ();
g_file_info_set_attribute_uint32 (finfo, "standard::type", G_FILE_TYPE_REGULAR);
g_file_info_set_attribute_boolean (finfo, "standard::is-symlink", FALSE);
g_file_info_set_attribute_uint32 (finfo, "unix::uid", 0);
g_file_info_set_attribute_uint32 (finfo, "unix::gid", 0);
g_file_info_set_attribute_uint32 (finfo, "unix::mode", S_IFREG|0644);
return ostree_raw_file_to_content_stream ((GInputStream*)hi_memstream, finfo, NULL, out_stream, out_length, NULL, error);
}
static void
test_validate_remotename (void)
{
const char *valid[] = {"foo", "hello-world"};
const char *invalid[] = {"foo/bar", ""};
for (guint i = 0; i < G_N_ELEMENTS(valid); i++)
{
g_autoptr(GError) error = NULL;
g_assert (ostree_validate_remote_name (valid[i], &error));
g_assert_no_error (error);
}
for (guint i = 0; i < G_N_ELEMENTS(invalid); i++)
{
g_autoptr(GError) error = NULL;
g_assert (!ostree_validate_remote_name (invalid[i], &error));
g_assert (error != NULL);
}
}
static void
test_object_writes (gconstpointer data)
{
OstreeRepo *repo = OSTREE_REPO (data);
g_autoptr(GError) error = NULL;
static const char hi_sha256[] = "2301b5923720c3edc1f0467addb5c287fd5559e3e0cd1396e7f1edb6b01be9f0";
/* Successful content write */
{ g_autoptr(GInputStream) hi_memstream = NULL;
guint64 len;
hi_content_stream_new (&hi_memstream, &len, &error);
g_assert_no_error (error);
g_autofree guchar *csum = NULL;
(void)ostree_repo_write_content (repo, hi_sha256, hi_memstream, len, &csum,
NULL, &error);
g_assert_no_error (error);
}
/* Invalid content write */
{ g_autoptr(GInputStream) hi_memstream = NULL;
guint64 len;
hi_content_stream_new (&hi_memstream, &len, &error);
g_assert_no_error (error);
g_autofree guchar *csum = NULL;
static const char invalid_hi_sha256[] = "cafebabecafebabecafebabecafebabecafebabecafebabecafebabecafebabe";
g_assert (!ostree_repo_write_content (repo, invalid_hi_sha256, hi_memstream, len, &csum,
NULL, &error));
g_assert (error);
g_assert (strstr (error->message, "Corrupted file object"));
}
}
static gboolean
impl_test_break_hardlink (int tmp_dfd,
const char *path,
GError **error)
{
const char *linkedpath = glnx_strjoina (path, ".link");
struct stat orig_stbuf;
if (!glnx_fstatat (tmp_dfd, path, &orig_stbuf, AT_SYMLINK_NOFOLLOW, error))
return FALSE;
/* Calling ostree_break_hardlink() should be a noop */
struct stat stbuf;
if (!ostree_break_hardlink (tmp_dfd, path, TRUE, NULL, error))
return FALSE;
if (!glnx_fstatat (tmp_dfd, path, &stbuf, AT_SYMLINK_NOFOLLOW, error))
return FALSE;
g_assert_cmpint (orig_stbuf.st_dev, ==, stbuf.st_dev);
g_assert_cmpint (orig_stbuf.st_ino, ==, stbuf.st_ino);
if (linkat (tmp_dfd, path, tmp_dfd, linkedpath, 0) < 0)
return glnx_throw_errno_prefix (error, "linkat");
if (!ostree_break_hardlink (tmp_dfd, path, TRUE, NULL, error))
return FALSE;
if (!glnx_fstatat (tmp_dfd, path, &stbuf, AT_SYMLINK_NOFOLLOW, error))
return FALSE;
/* This file should be different */
g_assert_cmpint (orig_stbuf.st_dev, ==, stbuf.st_dev);
g_assert_cmpint (orig_stbuf.st_ino, !=, stbuf.st_ino);
/* But this one is still the same */
if (!glnx_fstatat (tmp_dfd, linkedpath, &stbuf, AT_SYMLINK_NOFOLLOW, error))
return FALSE;
g_assert_cmpint (orig_stbuf.st_dev, ==, stbuf.st_dev);
g_assert_cmpint (orig_stbuf.st_ino, ==, stbuf.st_ino);
(void) unlinkat (tmp_dfd, path, 0);
(void) unlinkat (tmp_dfd, linkedpath, 0);
return TRUE;
}
static void
test_break_hardlink (void)
{
int tmp_dfd = AT_FDCWD;
g_autoptr(GError) error = NULL;
/* Regular file */
const char hello_hardlinked_content[] = "hello hardlinked content";
glnx_file_replace_contents_at (tmp_dfd, "test-hardlink",
(guint8*)hello_hardlinked_content,
strlen (hello_hardlinked_content),
GLNX_FILE_REPLACE_NODATASYNC,
NULL, &error);
g_assert_no_error (error);
(void)impl_test_break_hardlink (tmp_dfd, "test-hardlink", &error);
g_assert_no_error (error);
/* Symlink */
if (symlinkat ("some-path", tmp_dfd, "test-symhardlink") < 0)
err (1, "symlinkat");
(void)impl_test_break_hardlink (tmp_dfd, "test-symhardlink", &error);
g_assert_no_error (error);
}
static GVariant*
xattr_cb (OstreeRepo *repo,
const char *path,
GFileInfo *file_info,
gpointer user_data)
{
GVariant *xattr = user_data;
if (g_str_equal (path, "/baz/cow"))
return g_variant_ref (xattr);
return NULL;
}
/* check that using a devino cache doesn't cause us to ignore xattr callbacks */
static void
test_devino_cache_xattrs (void)
{
g_autoptr(GError) error = NULL;
gboolean ret = FALSE;
g_autoptr(GFile) repo_path = g_file_new_for_path ("repo");
/* re-initialize as bare */
ret = ot_test_run_libtest ("setup_test_repository bare", &error);
g_assert_no_error (error);
g_assert (ret);
gboolean can_relabel;
ret = ot_check_relabeling (&can_relabel, &error);
g_assert_no_error (error);
g_assert (ret);
gboolean has_user_xattrs;
ret = ot_check_user_xattrs (&has_user_xattrs, &error);
g_assert_no_error (error);
g_assert (ret);
/* we need both because we're bare and our tests target user xattrs */
if (!can_relabel || !has_user_xattrs)
{
g_test_skip ("this test requires full xattr support");
return;
}
g_autoptr(OstreeRepo) repo = ostree_repo_new (repo_path);
ret = ostree_repo_open (repo, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_autofree char *csum = NULL;
ret = ostree_repo_resolve_rev (repo, "test2", FALSE, &csum, &error);
g_assert_no_error (error);
g_assert (ret);
g_autoptr(OstreeRepoDevInoCache) cache = ostree_repo_devino_cache_new ();
OstreeRepoCheckoutAtOptions options = {0,};
options.no_copy_fallback = TRUE;
options.devino_to_csum_cache = cache;
ret = ostree_repo_checkout_at (repo, &options, AT_FDCWD, "checkout", csum, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_autoptr(OstreeMutableTree) mtree = ostree_mutable_tree_new ();
g_autoptr(OstreeRepoCommitModifier) modifier =
ostree_repo_commit_modifier_new (0, NULL, NULL, NULL);
ostree_repo_commit_modifier_set_devino_cache (modifier, cache);
g_auto(GVariantBuilder) builder;
g_variant_builder_init (&builder, (GVariantType*)"a(ayay)");
g_variant_builder_add (&builder, "(@ay@ay)",
g_variant_new_bytestring ("user.myattr"),
g_variant_new_bytestring ("data"));
g_autoptr(GVariant) orig_xattrs = g_variant_ref_sink (g_variant_builder_end (&builder));
ret = ostree_repo_prepare_transaction (repo, NULL, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
ostree_repo_commit_modifier_set_xattr_callback (modifier, xattr_cb, NULL, orig_xattrs);
ret = ostree_repo_write_dfd_to_mtree (repo, AT_FDCWD, "checkout",
mtree, modifier, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_autoptr(GFile) root = NULL;
ret = ostree_repo_write_mtree (repo, mtree, &root, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
/* now check that the final xattr matches */
g_autoptr(GFile) baz_child = g_file_get_child (root, "baz");
g_autoptr(GFile) cow_child = g_file_get_child (baz_child, "cow");
g_autoptr(GVariant) xattrs = NULL;
ret = ostree_repo_file_get_xattrs (OSTREE_REPO_FILE (cow_child), &xattrs, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
gboolean found_xattr = FALSE;
gsize n = g_variant_n_children (xattrs);
for (gsize i = 0; i < n; i++)
{
const guint8* name;
const guint8* value;
g_variant_get_child (xattrs, i, "(^&ay^&ay)", &name, &value);
if (g_str_equal ((const char*)name, "user.myattr"))
{
g_assert_cmpstr ((const char*)value, ==, "data");
found_xattr = TRUE;
break;
}
}
g_assert (found_xattr);
OstreeRepoTransactionStats stats;
ret = ostree_repo_commit_transaction (repo, &stats, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
/* we should only have had to checksum /baz/cow */
g_assert_cmpint (stats.content_objects_written, ==, 1);
}
int main (int argc, char **argv)
{
g_autoptr(GError) error = NULL;
glnx_unref_object OstreeRepo *repo = NULL;
g_test_init (&argc, &argv, NULL);
repo = ot_test_setup_repo (NULL, &error);
if (!repo)
goto out;
g_test_add_data_func ("/repo-not-system", repo, test_repo_is_not_system);
g_test_add_data_func ("/raw-file-to-archive-stream", repo, test_raw_file_to_archive_stream);
g_test_add_data_func ("/objectwrites", repo, test_object_writes);
g_test_add_func ("/xattrs-devino-cache", test_devino_cache_xattrs);
g_test_add_func ("/break-hardlink", test_break_hardlink);
g_test_add_func ("/remotename", test_validate_remotename);
return g_test_run();
out:
if (error)
g_error ("%s", error->message);
return 1;
}
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