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/*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* 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.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "ot-main.h"
#include "ot-builtins.h"
#include "ostree.h"
#include <string.h>
/* ATTENTION:
* Please remember to update the bash-completion script (bash/ostree) and
* man page (man/ostree-checksum.xml) when changing the option list.
*/
static gboolean opt_ignore_xattrs;
static GOptionEntry options[] = {
{ "ignore-xattrs", 0, 0, G_OPTION_ARG_NONE, &opt_ignore_xattrs, "Don't include xattrs in checksum", NULL },
{ NULL }
};
typedef struct {
GError **error;
gboolean success;
GMainLoop *loop;
} AsyncChecksumData;
static void
on_checksum_received (GObject *obj,
GAsyncResult *result,
gpointer user_data)
{
AsyncChecksumData *data = user_data;
g_autofree guchar *csum_bytes = NULL;
data->success =
ostree_checksum_file_async_finish ((GFile*)obj, result, &csum_bytes, data->error);
if (data->success)
{
char csum[OSTREE_SHA256_STRING_LEN+1];
ostree_checksum_inplace_from_bytes (csum_bytes, csum);
g_print ("%s\n", csum);
}
g_main_loop_quit (data->loop);
}
gboolean
ostree_builtin_checksum (int argc, char **argv, OstreeCommandInvocation *invocation, GCancellable *cancellable, GError **error)
{
g_autoptr(GOptionContext) context =
g_option_context_new ("PATH");
if (!ostree_option_context_parse (context, options, &argc, &argv,
invocation, NULL, cancellable, error))
return FALSE;
if (argc < 2)
return glnx_throw (error, "A filename must be given");
const char *path = argv[1];
/* for test coverage, use the async API if no flags are needed */
if (!opt_ignore_xattrs)
{
g_autoptr(GFile) f = g_file_new_for_path (path);
g_autoptr(GMainLoop) loop = g_main_loop_new (NULL, FALSE);
AsyncChecksumData data = { 0, };
data.loop = loop;
data.error = error;
ostree_checksum_file_async (f, OSTREE_OBJECT_TYPE_FILE, G_PRIORITY_DEFAULT,
cancellable, on_checksum_received, &data);
g_main_loop_run (data.loop);
return data.success;
}
g_autofree char *checksum = NULL;
if (!ostree_checksum_file_at (AT_FDCWD, path, NULL, OSTREE_OBJECT_TYPE_FILE,
OSTREE_CHECKSUM_FLAGS_IGNORE_XATTRS, &checksum,
cancellable, error))
return FALSE;
g_print ("%s\n", checksum);
return TRUE;
}
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