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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/portable/portable.h | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/portable/portable.h')
-rw-r--r-- | src/portable/portable.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/portable/portable.h b/src/portable/portable.h new file mode 100644 index 0000000..c4a9d51 --- /dev/null +++ b/src/portable/portable.h @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include "sd-bus.h" + +#include "dissect-image.h" +#include "hashmap.h" +#include "macro.h" +#include "set.h" +#include "string-util.h" + +typedef struct PortableMetadata { + int fd; + char *source; + char *image_path; + char *selinux_label; + char name[]; +} PortableMetadata; + +#define PORTABLE_METADATA_IS_OS_RELEASE(m) (streq((m)->name, "/etc/os-release")) +#define PORTABLE_METADATA_IS_EXTENSION_RELEASE(m) (startswith_strv((m)->name, STRV_MAKE("/usr/lib/extension-release.d/extension-release.", "/etc/extension-release.d/extension-release."))) +#define PORTABLE_METADATA_IS_UNIT(m) (!IN_SET((m)->name[0], 0, '/')) + +typedef enum PortableFlags { + PORTABLE_RUNTIME = 1 << 0, /* Public API via DBUS, do not change */ + PORTABLE_FORCE_ATTACH = 1 << 1, /* Public API via DBUS, do not change */ + PORTABLE_FORCE_EXTENSION = 1 << 2, /* Public API via DBUS, do not change */ + PORTABLE_PREFER_COPY = 1 << 3, + PORTABLE_PREFER_SYMLINK = 1 << 4, + PORTABLE_REATTACH = 1 << 5, + _PORTABLE_MASK_PUBLIC = PORTABLE_RUNTIME | PORTABLE_FORCE_ATTACH | PORTABLE_FORCE_EXTENSION, + _PORTABLE_TYPE_MAX, + _PORTABLE_TYPE_INVALID = -EINVAL, +} PortableFlags; + +/* This enum is anonymous, since we usually store it in an 'int', as we overload it with negative errno + * values. */ +enum { + PORTABLE_COPY, + PORTABLE_SYMLINK, + PORTABLE_UNLINK, + PORTABLE_WRITE, + PORTABLE_MKDIR, + _PORTABLE_CHANGE_TYPE_MAX, + _PORTABLE_CHANGE_TYPE_INVALID = -EINVAL, +}; + +typedef enum PortableState { + PORTABLE_DETACHED, + PORTABLE_ATTACHED, + PORTABLE_ATTACHED_RUNTIME, + PORTABLE_ENABLED, + PORTABLE_ENABLED_RUNTIME, + PORTABLE_RUNNING, + PORTABLE_RUNNING_RUNTIME, + _PORTABLE_STATE_MAX, + _PORTABLE_STATE_INVALID = -EINVAL, +} PortableState; + +typedef struct PortableChange { + int type_or_errno; /* PORTABLE_COPY, PORTABLE_SYMLINK, … if positive, errno if negative */ + char *path; + char *source; +} PortableChange; + +PortableMetadata *portable_metadata_unref(PortableMetadata *i); +DEFINE_TRIVIAL_CLEANUP_FUNC(PortableMetadata*, portable_metadata_unref); + +int portable_metadata_hashmap_to_sorted_array(Hashmap *unit_files, PortableMetadata ***ret); + +int portable_extract(const char *image, char **matches, char **extension_image_paths, const ImagePolicy *image_policy, PortableFlags flags, PortableMetadata **ret_os_release, OrderedHashmap **ret_extension_releases, Hashmap **ret_unit_files, char ***ret_valid_prefixes, sd_bus_error *error); + +int portable_attach(sd_bus *bus, const char *name_or_path, char **matches, const char *profile, char **extension_images, const ImagePolicy* image_policy, PortableFlags flags, PortableChange **changes, size_t *n_changes, sd_bus_error *error); +int portable_detach(sd_bus *bus, const char *name_or_path, char **extension_image_paths, PortableFlags flags, PortableChange **changes, size_t *n_changes, sd_bus_error *error); + +int portable_get_state(sd_bus *bus, const char *name_or_path, char **extension_image_paths, PortableFlags flags, PortableState *ret, sd_bus_error *error); + +int portable_get_profiles(char ***ret); + +void portable_changes_free(PortableChange *changes, size_t n_changes); + +const char *portable_change_type_to_string(int t) _const_; +int portable_change_type_from_string(const char *t) _pure_; + +const char *portable_state_to_string(PortableState t) _const_; +PortableState portable_state_from_string(const char *t) _pure_; |