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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
commit2cb7e0aaedad73b076ea18c6900b0e86c5760d79 (patch)
treeda68ca54bb79f4080079bf0828acda937593a4e1 /src/shared/install.h
parentInitial commit. (diff)
downloadsystemd-2cb7e0aaedad73b076ea18c6900b0e86c5760d79.tar.xz
systemd-2cb7e0aaedad73b076ea18c6900b0e86c5760d79.zip
Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/shared/install.h')
-rw-r--r--src/shared/install.h213
1 files changed, 213 insertions, 0 deletions
diff --git a/src/shared/install.h b/src/shared/install.h
new file mode 100644
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--- /dev/null
+++ b/src/shared/install.h
@@ -0,0 +1,213 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+typedef enum UnitFilePresetMode UnitFilePresetMode;
+typedef enum UnitFileChangeType UnitFileChangeType;
+typedef enum UnitFileFlags UnitFileFlags;
+typedef enum UnitFileType UnitFileType;
+typedef struct UnitFileChange UnitFileChange;
+typedef struct UnitFileList UnitFileList;
+typedef struct UnitFileInstallInfo UnitFileInstallInfo;
+
+#include <stdbool.h>
+
+#include "hashmap.h"
+#include "macro.h"
+#include "path-lookup.h"
+#include "strv.h"
+#include "unit-name.h"
+
+enum UnitFilePresetMode {
+ UNIT_FILE_PRESET_FULL,
+ UNIT_FILE_PRESET_ENABLE_ONLY,
+ UNIT_FILE_PRESET_DISABLE_ONLY,
+ _UNIT_FILE_PRESET_MAX,
+ _UNIT_FILE_PRESET_INVALID = -1
+};
+
+enum UnitFileChangeType {
+ UNIT_FILE_SYMLINK,
+ UNIT_FILE_UNLINK,
+ UNIT_FILE_IS_MASKED,
+ UNIT_FILE_IS_DANGLING,
+ _UNIT_FILE_CHANGE_TYPE_MAX,
+ _UNIT_FILE_CHANGE_TYPE_INVALID = INT_MIN
+};
+
+enum UnitFileFlags {
+ UNIT_FILE_RUNTIME = 1 << 0, /* Public API via DBUS, do not change */
+ UNIT_FILE_FORCE = 1 << 1, /* Public API via DBUS, do not change */
+ UNIT_FILE_PORTABLE = 1 << 2, /* Public API via DBUS, do not change */
+ UNIT_FILE_DRY_RUN = 1 << 3,
+ _UNIT_FILE_FLAGS_MASK_PUBLIC = UNIT_FILE_RUNTIME|UNIT_FILE_PORTABLE|UNIT_FILE_FORCE,
+};
+
+/* type can either one of the UnitFileChangeTypes listed above, or a negative error.
+ * If source is specified, it should be the contents of the path symlink.
+ * In case of an error, source should be the existing symlink contents or NULL
+ */
+struct UnitFileChange {
+ int type; /* UnitFileChangeType or bust */
+ char *path;
+ char *source;
+};
+
+static inline bool unit_file_changes_have_modification(const UnitFileChange* changes, size_t n_changes) {
+ size_t i;
+ for (i = 0; i < n_changes; i++)
+ if (IN_SET(changes[i].type, UNIT_FILE_SYMLINK, UNIT_FILE_UNLINK))
+ return true;
+ return false;
+}
+
+struct UnitFileList {
+ char *path;
+ UnitFileState state;
+};
+
+enum UnitFileType {
+ UNIT_FILE_TYPE_REGULAR,
+ UNIT_FILE_TYPE_SYMLINK,
+ UNIT_FILE_TYPE_MASKED,
+ _UNIT_FILE_TYPE_MAX,
+ _UNIT_FILE_TYPE_INVALID = -1,
+};
+
+struct UnitFileInstallInfo {
+ char *name;
+ char *path;
+
+ char **aliases;
+ char **wanted_by;
+ char **required_by;
+ char **also;
+
+ char *default_instance;
+ char *symlink_target;
+
+ UnitFileType type;
+ bool auxiliary;
+};
+
+int unit_file_enable(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ char **files,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_disable(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ char **files,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_reenable(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ char **files,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_preset(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ char **files,
+ UnitFilePresetMode mode,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_preset_all(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ UnitFilePresetMode mode,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_mask(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ char **files,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_unmask(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ char **files,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_link(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ char **files,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_revert(
+ UnitFileScope scope,
+ const char *root_dir,
+ char **files,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_set_default(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ const char *file,
+ UnitFileChange **changes,
+ size_t *n_changes);
+int unit_file_get_default(
+ UnitFileScope scope,
+ const char *root_dir,
+ char **name);
+int unit_file_add_dependency(
+ UnitFileScope scope,
+ UnitFileFlags flags,
+ const char *root_dir,
+ char **files,
+ const char *target,
+ UnitDependency dep,
+ UnitFileChange **changes,
+ size_t *n_changes);
+
+int unit_file_lookup_state(
+ UnitFileScope scope,
+ const LookupPaths *paths,
+ const char *name,
+ UnitFileState *ret);
+
+int unit_file_get_state(UnitFileScope scope, const char *root_dir, const char *filename, UnitFileState *ret);
+int unit_file_exists(UnitFileScope scope, const LookupPaths *paths, const char *name);
+
+int unit_file_get_list(UnitFileScope scope, const char *root_dir, Hashmap *h, char **states, char **patterns);
+Hashmap* unit_file_list_free(Hashmap *h);
+
+int unit_file_changes_add(UnitFileChange **changes, size_t *n_changes, int type, const char *path, const char *source);
+void unit_file_changes_free(UnitFileChange *changes, size_t n_changes);
+void unit_file_dump_changes(int r, const char *verb, const UnitFileChange *changes, size_t n_changes, bool quiet);
+
+int unit_file_verify_alias(const UnitFileInstallInfo *i, const char *dst, char **ret_dst);
+
+typedef struct UnitFilePresetRule UnitFilePresetRule;
+
+typedef struct {
+ UnitFilePresetRule *rules;
+ size_t n_rules;
+ bool initialized;
+} UnitFilePresets;
+
+void unit_file_presets_freep(UnitFilePresets *p);
+int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char *name, UnitFilePresets *cached);
+
+const char *unit_file_state_to_string(UnitFileState s) _const_;
+UnitFileState unit_file_state_from_string(const char *s) _pure_;
+/* from_string conversion is unreliable because of the overlap between -EPERM and -1 for error. */
+
+const char *unit_file_change_type_to_string(UnitFileChangeType s) _const_;
+UnitFileChangeType unit_file_change_type_from_string(const char *s) _pure_;
+
+const char *unit_file_preset_mode_to_string(UnitFilePresetMode m) _const_;
+UnitFilePresetMode unit_file_preset_mode_from_string(const char *s) _pure_;