82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/*
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* SPDX-License-Identifier: LGPL-2.0+
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <gio/gfiledescriptorbased.h>
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#include <gio/gunixinputstream.h>
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#include "libglnx.h"
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#include "ostree.h"
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#include "ostree-core-private.h"
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#include "ostree-repo-os.h"
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#include "otutil.h"
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/**
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* ostree_commit_metadata_for_bootable:
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* @root: Root filesystem to be committed
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* @dict: Dictionary to update
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*
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* Update provided @dict with standard metadata for bootable OSTree commits.
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* Since: 2021.1
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*/
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_OSTREE_PUBLIC
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gboolean
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ostree_commit_metadata_for_bootable (GFile *root, GVariantDict *dict, GCancellable *cancellable, GError **error)
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{
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g_autoptr(GFile) modules = g_file_resolve_relative_path (root, "usr/lib/modules");
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g_autoptr(GFileEnumerator) dir_enum
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= g_file_enumerate_children (modules, OSTREE_GIO_FAST_QUERYINFO,
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G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
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cancellable, error);
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if (!dir_enum)
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return glnx_prefix_error (error, "Opening usr/lib/modules");
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g_autofree char *linux_release = NULL;
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while (TRUE)
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{
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GFileInfo *child_info;
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GFile *child_path;
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if (!g_file_enumerator_iterate (dir_enum, &child_info, &child_path,
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cancellable, error))
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return FALSE;
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if (child_info == NULL)
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break;
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if (g_file_info_get_file_type (child_info) != G_FILE_TYPE_DIRECTORY)
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continue;
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g_autoptr(GFile) kernel_path = g_file_resolve_relative_path (child_path, "vmlinuz");
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if (!g_file_query_exists (kernel_path, NULL))
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continue;
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if (linux_release != NULL)
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return glnx_throw (error, "Multiple kernels found in /usr/lib/modules");
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linux_release = g_strdup (g_file_info_get_name (child_info));
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}
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if (linux_release)
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{
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g_variant_dict_insert (dict, OSTREE_METADATA_KEY_BOOTABLE, "b", TRUE);
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g_variant_dict_insert (dict, OSTREE_METADATA_KEY_LINUX, "s", linux_release);
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return TRUE;
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}
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return glnx_throw (error, "No kernel found in /usr/lib/modules");
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}
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