/* * Copyright (C) 2013 Colin Walters * * 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. */ #pragma once #include "ostree-core.h" #include "otutil.h" #include G_BEGIN_DECLS /* It's what gzip does, 9 is too slow */ #define OSTREE_ARCHIVE_DEFAULT_COMPRESSION_LEVEL (6) /* This file contains private implementation data format definitions * read by multiple implementation .c files. */ /* * File objects are stored as a stream, with one #GVariant header, * followed by content. * * The file header is of the following form: * * <BE guint32 containing variant length> * u - uid * u - gid * u - mode * u - rdev (must be 0) * s - symlink target * a(ayay) - xattrs * * Then the rest of the stream is data. */ #define _OSTREE_FILE_HEADER_GVARIANT_FORMAT G_VARIANT_TYPE ("(uuuusa(ayay))") /* * A variation on %OSTREE_FILE_HEADER_GVARIANT_FORMAT, used for * storing zlib-compressed content objects. * * <BE guint32 containing variant length> * t - size * u - uid * u - gid * u - mode * u - rdev (must be 0) * s - symlink target * a(ayay) - xattrs * --- * zlib-compressed data */ #define _OSTREE_ZLIB_FILE_HEADER_GVARIANT_FORMAT G_VARIANT_TYPE ("(tuuuusa(ayay))") GBytes *_ostree_file_header_new (GFileInfo *file_info, GVariant *xattrs); GBytes *_ostree_zlib_file_header_new (GFileInfo *file_info, GVariant *xattrs); gboolean _ostree_make_temporary_symlink_at (int tmp_dirfd, const char *target, char **out_name, GCancellable *cancellable, GError **error); GFileInfo * _ostree_stbuf_to_gfileinfo (const struct stat *stbuf); gboolean _ostree_gfileinfo_equal (GFileInfo *a, GFileInfo *b); gboolean _ostree_stbuf_equal (struct stat *stbuf_a, struct stat *stbuf_b); GFileInfo * _ostree_mode_uidgid_to_gfileinfo (mode_t mode, uid_t uid, gid_t gid); static inline void _ostree_checksum_inplace_from_bytes_v (GVariant *csum_v, char *buf) { const guint8*csum = ostree_checksum_bytes_peek (csum_v); g_assert (csum); ostree_checksum_inplace_from_bytes (csum, buf); } /* XX/checksum-2.extension, but let's just use 256 for a * bit of overkill. */ #define _OSTREE_LOOSE_PATH_MAX (256) char * _ostree_get_relative_object_path (const char *checksum, OstreeObjectType type, gboolean compressed); char * _ostree_get_relative_static_delta_path (const char *from, const char *to, const char *target); char * _ostree_get_relative_static_delta_superblock_path (const char *from, const char *to); char * _ostree_get_relative_static_delta_detachedmeta_path (const char *from, const char *to); char * _ostree_get_relative_static_delta_part_path (const char *from, const char *to, guint i); static inline char * _ostree_get_commitpartial_path (const char *checksum) { return g_strconcat ("state/", checksum, ".commitpartial", NULL); } gboolean _ostree_validate_ref_fragment (const char *fragment, GError **error); gboolean _ostree_validate_bareuseronly_mode (guint32 mode, const char *checksum, GError **error); static inline gboolean _ostree_validate_bareuseronly_mode_finfo (GFileInfo *finfo, const char *checksum, GError **error) { const guint32 content_mode = g_file_info_get_attribute_uint32 (finfo, "unix::mode"); return _ostree_validate_bareuseronly_mode (content_mode, checksum, error); } gboolean _ostree_compare_object_checksum (OstreeObjectType objtype, const char *expected, const char *actual, GError **error); gboolean _ostree_parse_delta_name (const char *delta_name, char **out_from, char **out_to, GError **error); void _ostree_loose_path (char *buf, const char *checksum, OstreeObjectType objtype, OstreeRepoMode repo_mode); gboolean _ostree_validate_structureof_metadata (OstreeObjectType objtype, GVariant *commit, GError **error); gboolean _ostree_verify_metadata_object (OstreeObjectType objtype, const char *expected_checksum, GVariant *metadata, GError **error); #define _OSTREE_METADATA_GPGSIGS_NAME "ostree.gpgsigs" #define _OSTREE_METADATA_GPGSIGS_TYPE G_VARIANT_TYPE ("aay") static inline gboolean _ostree_repo_mode_is_bare (OstreeRepoMode mode) { return mode == OSTREE_REPO_MODE_BARE || mode == OSTREE_REPO_MODE_BARE_USER || mode == OSTREE_REPO_MODE_BARE_USER_ONLY; } GVariant * _ostree_detached_metadata_append_gpg_sig (GVariant *existing_metadata, GBytes *signature_bytes); GFile * _ostree_get_default_sysroot_path (void); _OSTREE_PUBLIC gboolean _ostree_raw_file_to_archive_stream (GInputStream *input, GFileInfo *file_info, GVariant *xattrs, guint compression_level, GInputStream **out_input, GCancellable *cancellable, GError **error); #ifndef OSTREE_ENABLE_EXPERIMENTAL_API gboolean ostree_validate_collection_id (const char *collection_id, GError **error); #endif /* !OSTREE_ENABLE_EXPERIMENTAL_API */ gboolean _ostree_compare_timestamps (const char *current_rev, guint64 current_ts, const char *new_rev, guint64 new_ts, GError **error); #if (defined(OSTREE_COMPILATION) || GLIB_CHECK_VERSION(2, 44, 0)) && !defined(OSTREE_ENABLE_EXPERIMENTAL_API) #include #include "ostree-ref.h" G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeCollectionRef, ostree_collection_ref_free) G_DEFINE_AUTO_CLEANUP_FREE_FUNC (OstreeCollectionRefv, ostree_collection_ref_freev, NULL) #include "ostree-repo-finder.h" G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoFinder, g_object_unref) G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoFinderResult, ostree_repo_finder_result_free) G_DEFINE_AUTO_CLEANUP_FREE_FUNC (OstreeRepoFinderResultv, ostree_repo_finder_result_freev, NULL) #include "ostree-repo-finder-avahi.h" G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoFinderAvahi, g_object_unref) #include "ostree-repo-finder-config.h" G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoFinderConfig, g_object_unref) #include "ostree-repo-finder-mount.h" G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoFinderMount, g_object_unref) #include "ostree-repo-finder-override.h" G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoFinderOverride, g_object_unref) #endif G_END_DECLS