diff --git a/man/systemctl.xml b/man/systemctl.xml index b5b9bec30e..7a2777664e 100644 --- a/man/systemctl.xml +++ b/man/systemctl.xml @@ -570,19 +570,19 @@ - When used with enable, - disable, edit, - (and related commands), make changes only temporarily, so - that they are lost on the next reboot. This will have the - effect that changes are not made in subdirectories of - /etc but in /run, - with identical immediate effects, however, since the latter + When used with set-property, make changes only + temporarily, so that they are lost on the next reboot. + + Similarily, when used with enable, mask, + edit and related commands, make temporary changes, which are lost on + the next reboot. Changes are not made in subdirectories of /etc, but + in /run. The immediate effect is identical, however since the latter is lost on reboot, the changes are lost too. - Similarly, when used with - set-property, make changes only - temporarily, so that they are lost on the next - reboot. + Note: this option cannot be used with disable, + unmask, preset, or preset-all, + because those operations sometimes need to remove symlinks under /etc + to have the desired effect, which would cause a persistent change. diff --git a/src/shared/install.c b/src/shared/install.c index e246cd727c..4cf40df97d 100644 --- a/src/shared/install.c +++ b/src/shared/install.c @@ -1916,7 +1916,6 @@ static int install_context_mark_for_removal( InstallContext *c, const LookupPaths *paths, Set **remove_symlinks_to, - const char *config_path, UnitFileChange **changes, size_t *n_changes) { @@ -1925,7 +1924,6 @@ static int install_context_mark_for_removal( assert(c); assert(paths); - assert(config_path); /* Marks all items for removal */ @@ -2035,7 +2033,7 @@ int unit_file_unmask( size_t n_todo = 0, n_allocated = 0; const char *config_path; char **i; - bool dry_run; + bool dry_run = !!(flags & UNIT_FILE_DRY_RUN); int r, q; assert(scope >= 0); @@ -2045,73 +2043,71 @@ int unit_file_unmask( if (r < 0) return r; - config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config; - if (!config_path) - return -ENXIO; - - dry_run = !!(flags & UNIT_FILE_DRY_RUN); - STRV_FOREACH(i, files) { - _cleanup_free_ char *path = NULL; - if (!unit_name_is_valid(*i, UNIT_NAME_ANY)) return -EINVAL; - path = path_make_absolute(*i, config_path); - if (!path) - return -ENOMEM; + FOREACH_STRING(config_path, paths.runtime_config, paths.persistent_config) { + _cleanup_free_ char *path = NULL; - r = null_or_empty_path(path); - if (r == -ENOENT) - continue; - if (r < 0) - return r; - if (r == 0) - continue; + path = path_make_absolute(*i, config_path); + if (!path) + return -ENOMEM; - if (!GREEDY_REALLOC0(todo, n_allocated, n_todo + 2)) - return -ENOMEM; + r = null_or_empty_path(path); + if (r == -ENOENT) + continue; + if (r < 0) + return r; + if (r == 0) + continue; - todo[n_todo] = strdup(*i); - if (!todo[n_todo]) - return -ENOMEM; + if (!GREEDY_REALLOC0(todo, n_allocated, n_todo + 2)) + return -ENOMEM; - n_todo++; + todo[n_todo] = strdup(*i); + if (!todo[n_todo]) + return -ENOMEM; + + n_todo++; + } } strv_uniq(todo); r = 0; - STRV_FOREACH(i, todo) { - _cleanup_free_ char *path = NULL; - const char *rp; + FOREACH_STRING(config_path, paths.runtime_config, paths.persistent_config) { + STRV_FOREACH(i, todo) { + _cleanup_free_ char *path = NULL; + const char *rp; - path = path_make_absolute(*i, config_path); - if (!path) - return -ENOMEM; + path = path_make_absolute(*i, config_path); + if (!path) + return -ENOMEM; - if (!dry_run && unlink(path) < 0) { - if (errno != ENOENT) { - if (r >= 0) - r = -errno; - unit_file_changes_add(changes, n_changes, -errno, path, NULL); + if (!dry_run && unlink(path) < 0) { + if (errno != ENOENT) { + if (r >= 0) + r = -errno; + unit_file_changes_add(changes, n_changes, -errno, path, NULL); + } + + continue; } - continue; + unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, path, NULL); + + rp = skip_root(&paths, path); + q = mark_symlink_for_removal(&remove_symlinks_to, rp ?: path); + if (q < 0) + return q; } - unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, path, NULL); - - rp = skip_root(&paths, path); - q = mark_symlink_for_removal(&remove_symlinks_to, rp ?: path); - if (q < 0) - return q; + q = remove_marked_symlinks(remove_symlinks_to, config_path, &paths, dry_run, changes, n_changes); + if (r >= 0) + r = q; } - q = remove_marked_symlinks(remove_symlinks_to, config_path, &paths, dry_run, changes, n_changes); - if (r >= 0) - r = q; - return r; } @@ -2503,6 +2499,7 @@ int unit_file_disable( _cleanup_(lookup_paths_free) LookupPaths paths = {}; _cleanup_(install_context_done) InstallContext c = {}; _cleanup_set_free_free_ Set *remove_symlinks_to = NULL; + bool dry_run = !!(flags & UNIT_FILE_DRY_RUN); const char *config_path; char **i; int r; @@ -2514,10 +2511,6 @@ int unit_file_disable( if (r < 0) return r; - config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config; - if (!config_path) - return -ENXIO; - STRV_FOREACH(i, files) { if (!unit_name_is_valid(*i, UNIT_NAME_ANY)) return -EINVAL; @@ -2527,11 +2520,17 @@ int unit_file_disable( return r; } - r = install_context_mark_for_removal(scope, &c, &paths, &remove_symlinks_to, config_path, changes, n_changes); + r = install_context_mark_for_removal(scope, &c, &paths, &remove_symlinks_to, changes, n_changes); if (r < 0) return r; - return remove_marked_symlinks(remove_symlinks_to, config_path, &paths, !!(flags & UNIT_FILE_DRY_RUN), changes, n_changes); + FOREACH_STRING(config_path, paths.runtime_config, paths.persistent_config) { + r = remove_marked_symlinks(remove_symlinks_to, config_path, &paths, dry_run, changes, n_changes); + if (r < 0) + return r; + } + + return 0; } int unit_file_reenable( @@ -2915,45 +2914,45 @@ int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char static int execute_preset( UnitFileScope scope, + UnitFileFlags flags, InstallContext *plus, InstallContext *minus, const LookupPaths *paths, - const char *config_path, char **files, UnitFilePresetMode mode, - bool force, UnitFileChange **changes, size_t *n_changes) { - int r; + const char *config_path; + bool force = !!(flags & UNIT_FILE_FORCE); + bool runtime = !!(flags & UNIT_FILE_RUNTIME); + int r = 0, q; assert(plus); assert(minus); assert(paths); - assert(config_path); if (mode != UNIT_FILE_PRESET_ENABLE_ONLY) { _cleanup_set_free_free_ Set *remove_symlinks_to = NULL; - r = install_context_mark_for_removal(scope, minus, paths, &remove_symlinks_to, config_path, changes, n_changes); - if (r < 0) - return r; + q = install_context_mark_for_removal(scope, minus, paths, &remove_symlinks_to, changes, n_changes); + if (q < 0) + return q; - r = remove_marked_symlinks(remove_symlinks_to, config_path, paths, false, changes, n_changes); - } else - r = 0; + FOREACH_STRING(config_path, paths->runtime_config, paths->persistent_config) { + q = remove_marked_symlinks(remove_symlinks_to, config_path, paths, false, changes, n_changes); + if (r == 0) + r = q; + } + } if (mode != UNIT_FILE_PRESET_DISABLE_ONLY) { - int q; - /* Returns number of symlinks that where supposed to be installed. */ - q = install_context_apply(scope, plus, paths, config_path, force, SEARCH_LOAD, changes, n_changes); - if (r >= 0) { - if (q < 0) - r = q; - else - r += q; - } + q = install_context_apply(scope, plus, paths, + runtime ? paths->runtime_config : paths->persistent_config, + force, SEARCH_LOAD, changes, n_changes); + if (r == 0) + r = q; } return r; @@ -3017,7 +3016,6 @@ int unit_file_preset( _cleanup_(install_context_done) InstallContext plus = {}, minus = {}; _cleanup_(lookup_paths_free) LookupPaths paths = {}; _cleanup_(presets_freep) Presets presets = {}; - const char *config_path; char **i; int r; @@ -3029,10 +3027,6 @@ int unit_file_preset( if (r < 0) return r; - config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config; - if (!config_path) - return -ENXIO; - r = read_presets(scope, root_dir, &presets); if (r < 0) return r; @@ -3043,7 +3037,7 @@ int unit_file_preset( return r; } - return execute_preset(scope, &plus, &minus, &paths, config_path, files, mode, !!(flags & UNIT_FILE_FORCE), changes, n_changes); + return execute_preset(scope, flags, &plus, &minus, &paths, files, mode, changes, n_changes); } int unit_file_preset_all( @@ -3057,7 +3051,6 @@ int unit_file_preset_all( _cleanup_(install_context_done) InstallContext plus = {}, minus = {}; _cleanup_(lookup_paths_free) LookupPaths paths = {}; _cleanup_(presets_freep) Presets presets = {}; - const char *config_path = NULL; char **i; int r; @@ -3069,10 +3062,6 @@ int unit_file_preset_all( if (r < 0) return r; - config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config; - if (!config_path) - return -ENXIO; - r = read_presets(scope, root_dir, &presets); if (r < 0) return r; @@ -3090,7 +3079,6 @@ int unit_file_preset_all( } FOREACH_DIRENT(de, d, return -errno) { - if (!unit_name_is_valid(de->d_name, UNIT_NAME_ANY)) continue; @@ -3114,7 +3102,7 @@ int unit_file_preset_all( } } - return execute_preset(scope, &plus, &minus, &paths, config_path, NULL, mode, !!(flags & UNIT_FILE_FORCE), changes, n_changes); + return execute_preset(scope, flags, &plus, &minus, &paths, NULL, mode, changes, n_changes); } static void unit_file_list_free_one(UnitFileList *f) { diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index fbaa464991..11762c7c41 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -7685,6 +7685,11 @@ static int systemctl_parse_argv(int argc, char *argv[]) { return -EINVAL; } + if (arg_runtime && STRPTR_IN_SET(argv[optind], "disable", "unmask", "preset", "preset-all")) { + log_error("--runtime cannot be used with %s", argv[optind]); + return -EINVAL; + } + return 1; }