#include "install.h"
#include "conf-parser.h"
#include "conf-files.h"
-#include "specifier.h"
#include "install-printf.h"
#include "special.h"
typedef struct {
- Hashmap *will_install;
- Hashmap *have_installed;
+ OrderedHashmap *will_install;
+ OrderedHashmap *have_installed;
} InstallContext;
-#define _cleanup_install_context_done_ _cleanup_(install_context_done)
+static int in_search_path(const char *path, char **search) {
+ _cleanup_free_ char *parent = NULL;
+ int r;
-static int lookup_paths_init_from_scope(LookupPaths *paths,
- UnitFileScope scope,
- const char *root_dir) {
- assert(paths);
- assert(scope >= 0);
- assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(path);
- zero(*paths);
+ r = path_get_parent(path, &parent);
+ if (r < 0)
+ return r;
- return lookup_paths_init(paths,
- scope == UNIT_FILE_SYSTEM ? SYSTEMD_SYSTEM : SYSTEMD_USER,
- scope == UNIT_FILE_USER,
- root_dir,
- NULL, NULL, NULL);
+ return strv_contains(search, parent);
}
static int get_config_path(UnitFileScope scope, bool runtime, const char *root_dir, char **ret) {
case UNIT_FILE_SYSTEM:
- if (root_dir && runtime)
- asprintf(&p, "%s/run/systemd/system", root_dir);
- else if (runtime)
- p = strdup("/run/systemd/system");
- else if (root_dir)
- asprintf(&p, "%s/%s", root_dir, SYSTEM_CONFIG_UNIT_PATH);
+ if (runtime)
+ p = path_join(root_dir, "/run/systemd/system", NULL);
else
- p = strdup(SYSTEM_CONFIG_UNIT_PATH);
-
+ p = path_join(root_dir, SYSTEM_CONFIG_UNIT_PATH, NULL);
break;
case UNIT_FILE_GLOBAL:
case UNIT_FILE_USER:
- if (root_dir || runtime)
+ if (root_dir)
return -EINVAL;
- r = user_config_home(&p);
+ if (runtime)
+ r = user_runtime_dir(&p);
+ else
+ r = user_config_home(&p);
+
if (r <= 0)
return r < 0 ? r : -ENOENT;
if (!c[i].path)
return -ENOMEM;
+ path_kill_slashes(c[i].path);
+
if (source) {
c[i].source = strdup(source);
if (!c[i].source) {
free(c[i].path);
return -ENOMEM;
}
+
+ path_kill_slashes(c[i].path);
} else
c[i].source = NULL;
assert(p);
- r = set_ensure_allocated(remove_symlinks_to, string_hash_func, string_compare_func);
+ r = set_ensure_allocated(remove_symlinks_to, &string_hash_ops);
if (r < 0)
return r;
if (!de)
break;
- if (ignore_file(de->d_name))
+ if (hidden_file(de->d_name))
continue;
dirent_ensure_type(d, de);
if (unit_name_is_instance(de->d_name) &&
instance_whitelist &&
- !strv_contains(instance_whitelist, de->d_name))
- continue;
+ !strv_contains(instance_whitelist, de->d_name)) {
+
+ _cleanup_free_ char *w;
+
+ /* OK, the file is not listed directly
+ * in the whitelist, so let's check if
+ * the template of it might be
+ * listed. */
+
+ w = unit_name_template(de->d_name);
+ if (!w)
+ return -ENOMEM;
+
+ if (!strv_contains(instance_whitelist, w))
+ continue;
+ }
p = path_make_absolute(de->d_name, path);
if (!p)
set_get(remove_symlinks_to, dest) ||
set_get(remove_symlinks_to, basename(dest));
- if (found) {
-
- if (unlink(p) < 0 && errno != ENOENT) {
-
- if (r == 0)
- r = -errno;
- continue;
- }
-
- rmdir_parents(p, config_path);
+ if (!found)
+ continue;
- path_kill_slashes(p);
+ if (unlink(p) < 0 && errno != ENOENT) {
+ if (r == 0)
+ r = -errno;
+ continue;
+ }
- add_file_change(changes, n_changes, UNIT_FILE_UNLINK, p, NULL);
+ path_kill_slashes(p);
+ rmdir_parents(p, config_path);
+ add_file_change(changes, n_changes, UNIT_FILE_UNLINK, p, NULL);
- if (!set_get(remove_symlinks_to, p)) {
+ if (!set_get(remove_symlinks_to, p)) {
- q = mark_symlink_for_removal(&remove_symlinks_to, p);
- if (q < 0) {
- if (r == 0)
- r = q;
- } else
- *deleted = true;
- }
+ q = mark_symlink_for_removal(&remove_symlinks_to, p);
+ if (q < 0) {
+ if (r == 0)
+ r = q;
+ } else
+ *deleted = true;
}
}
}
if (!de)
return r;
- if (ignore_file(de->d_name))
+ if (hidden_file(de->d_name))
continue;
dirent_ensure_type(d, de);
/* This will close nfd, regardless whether it succeeds or not */
q = find_symlinks_fd(name, nfd, p, config_path, same_name_link);
-
if (q > 0)
return 1;
-
if (r == 0)
r = q;
UnitFileState *state) {
int r;
- _cleanup_free_ char *path2 = NULL;
+ _cleanup_free_ char *normal_path = NULL, *runtime_path = NULL;
bool same_name_link_runtime = false, same_name_link = false;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
assert(name);
- if (scope == UNIT_FILE_SYSTEM || scope == UNIT_FILE_GLOBAL) {
- _cleanup_free_ char *path = NULL;
-
- /* First look in runtime config path */
- r = get_config_path(scope, true, root_dir, &path);
- if (r < 0)
- return r;
+ /* First look in runtime config path */
+ r = get_config_path(scope, true, root_dir, &normal_path);
+ if (r < 0)
+ return r;
- r = find_symlinks(name, path, &same_name_link_runtime);
- if (r < 0)
- return r;
- else if (r > 0) {
- *state = UNIT_FILE_ENABLED_RUNTIME;
- return r;
- }
+ r = find_symlinks(name, normal_path, &same_name_link_runtime);
+ if (r < 0)
+ return r;
+ else if (r > 0) {
+ *state = UNIT_FILE_ENABLED_RUNTIME;
+ return r;
}
/* Then look in the normal config path */
- r = get_config_path(scope, false, root_dir, &path2);
+ r = get_config_path(scope, false, root_dir, &runtime_path);
if (r < 0)
return r;
- r = find_symlinks(name, path2, &same_name_link);
+ r = find_symlinks(name, runtime_path, &same_name_link);
if (r < 0)
return r;
else if (r > 0) {
if (symlink("/dev/null", path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
-
continue;
}
continue;
if (force) {
- unlink(path);
-
- if (symlink("/dev/null", path) >= 0) {
-
+ if (symlink_atomic("/dev/null", path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
-
continue;
}
}
goto finish;
STRV_FOREACH(i, files) {
- char *path;
+ _cleanup_free_ char *path = NULL;
if (!unit_name_is_valid(*i, TEMPLATE_VALID)) {
if (r == 0)
q = null_or_empty_path(path);
if (q > 0) {
- if (unlink(path) >= 0) {
- mark_symlink_for_removal(&remove_symlinks_to, path);
+ if (unlink(path) < 0)
+ q = -errno;
+ else {
+ q = mark_symlink_for_removal(&remove_symlinks_to, path);
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
-
- free(path);
- continue;
}
-
- q = -errno;
}
if (q != -ENOENT && r == 0)
r = q;
-
- free(path);
}
_cleanup_free_ char *dest = NULL;
q = readlink_and_make_absolute(path, &dest);
-
if (q < 0 && errno != ENOENT) {
if (r == 0)
r = q;
continue;
if (force) {
- unlink(path);
-
- if (symlink(*i, path) >= 0) {
-
+ if (symlink_atomic(*i, path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
-
continue;
}
}
strv_free(i->aliases);
strv_free(i->wanted_by);
strv_free(i->required_by);
+ strv_free(i->also);
+ free(i->default_instance);
free(i);
}
-static void install_info_hashmap_free(Hashmap *m) {
+static void install_info_hashmap_free(OrderedHashmap *m) {
InstallInfo *i;
if (!m)
return;
- while ((i = hashmap_steal_first(m)))
+ while ((i = ordered_hashmap_steal_first(m)))
install_info_free(i);
- hashmap_free(m);
+ ordered_hashmap_free(m);
}
static void install_context_done(InstallContext *c) {
if (!unit_name_is_valid(name, TEMPLATE_VALID))
return -EINVAL;
- if (hashmap_get(c->have_installed, name) ||
- hashmap_get(c->will_install, name))
+ if (ordered_hashmap_get(c->have_installed, name) ||
+ ordered_hashmap_get(c->will_install, name))
return 0;
- r = hashmap_ensure_allocated(&c->will_install, string_hash_func, string_compare_func);
+ r = ordered_hashmap_ensure_allocated(&c->will_install, &string_hash_ops);
if (r < 0)
return r;
}
}
- r = hashmap_put(c->will_install, i->name, i);
+ r = ordered_hashmap_put(c->will_install, i->name, i);
if (r < 0)
goto fail;
return install_info_add(c, name_or_path, NULL);
}
-static int config_parse_also(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- char *w;
+static int config_parse_also(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
size_t l;
- char *state;
+ const char *word, *state;
InstallContext *c = data;
+ InstallInfo *i = userdata;
assert(filename);
assert(lvalue);
assert(rvalue);
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
_cleanup_free_ char *n;
int r;
- n = strndup(w, l);
+ n = strndup(word, l);
if (!n)
return -ENOMEM;
r = install_info_add(c, n, NULL);
if (r < 0)
return r;
+
+ r = strv_extend(&i->also, n);
+ if (r < 0)
+ return r;
}
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Trailing garbage, ignoring.");
return 0;
}
-static int config_parse_user(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
+static int config_parse_user(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
InstallInfo *i = data;
- char* printed;
+ char *printed;
int r;
assert(filename);
return 0;
}
+static int config_parse_default_instance(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ InstallInfo *i = data;
+ char *printed;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ r = install_full_printf(i, rvalue, &printed);
+ if (r < 0)
+ return r;
+
+ if (!unit_instance_is_valid(printed)) {
+ free(printed);
+ return -EINVAL;
+ }
+
+ free(i->default_instance);
+ i->default_instance = printed;
+
+ return 0;
+}
+
static int unit_file_load(
InstallContext *c,
InstallInfo *info,
const char *path,
- bool allow_symlink) {
+ const char *root_dir,
+ bool allow_symlink,
+ bool load,
+ bool *also) {
const ConfigTableItem items[] = {
- { "Install", "Alias", config_parse_strv, 0, &info->aliases },
- { "Install", "WantedBy", config_parse_strv, 0, &info->wanted_by },
- { "Install", "RequiredBy", config_parse_strv, 0, &info->required_by },
- { "Install", "Also", config_parse_also, 0, c },
- { "Exec", "User", config_parse_user, 0, info },
- { NULL, NULL, NULL, 0, NULL }
+ { "Install", "Alias", config_parse_strv, 0, &info->aliases },
+ { "Install", "WantedBy", config_parse_strv, 0, &info->wanted_by },
+ { "Install", "RequiredBy", config_parse_strv, 0, &info->required_by },
+ { "Install", "DefaultInstance", config_parse_default_instance, 0, info },
+ { "Install", "Also", config_parse_also, 0, c },
+ { "Exec", "User", config_parse_user, 0, info },
+ {}
};
- int fd;
_cleanup_fclose_ FILE *f = NULL;
- int r;
+ int fd, r;
assert(c);
assert(info);
assert(path);
+ if (!isempty(root_dir))
+ path = strjoina(root_dir, "/", path);
+
+ if (!load) {
+ r = access(path, F_OK) ? -errno : 0;
+ return r;
+ }
+
fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|(allow_symlink ? 0 : O_NOFOLLOW));
if (fd < 0)
return -errno;
return -ENOMEM;
}
- r = config_parse(NULL, path, f, NULL,
- config_item_table_lookup, (void*) items, true, true, info);
+ r = config_parse(NULL, path, f,
+ NULL,
+ config_item_table_lookup, items,
+ true, true, false, info);
if (r < 0)
return r;
+ if (also)
+ *also = !strv_isempty(info->also);
+
return
(int) strv_length(info->aliases) +
(int) strv_length(info->wanted_by) +
static int unit_file_search(
InstallContext *c,
InstallInfo *info,
- LookupPaths *paths,
+ const LookupPaths *paths,
const char *root_dir,
- bool allow_symlink) {
+ bool allow_symlink,
+ bool load,
+ bool *also) {
char **p;
int r;
assert(info);
assert(paths);
- if (info->path) {
- char *full_path = NULL;
-
- if (!isempty(root_dir))
- full_path = strappenda(root_dir, info->path);
-
- return unit_file_load(c, info, full_path ?: info->path, allow_symlink);
- }
+ if (info->path)
+ return unit_file_load(c, info, info->path, root_dir, allow_symlink, load, also);
assert(info->name);
STRV_FOREACH(p, paths->unit_path) {
- _cleanup_free_ char *path = NULL, *full_path = NULL;
+ _cleanup_free_ char *path = NULL;
path = strjoin(*p, "/", info->name, NULL);
if (!path)
return -ENOMEM;
- if (!isempty(root_dir)) {
- full_path = strappend(root_dir, path);
- if (!full_path)
- return -ENOMEM;
- }
-
- r = unit_file_load(c, info, full_path ?: path, allow_symlink);
+ r = unit_file_load(c, info, path, root_dir, allow_symlink, load, also);
if (r >= 0) {
info->path = path;
path = NULL;
- } else if (r == -ENOENT && unit_name_is_instance(info->name)) {
- /* Unit file doesn't exist, however instance enablement was requested.
- * We will check if it is possible to load template unit file. */
- _cleanup_free_ char *template = NULL, *template_dir = NULL;
+ return r;
+ }
+ if (r != -ENOENT && r != -ELOOP)
+ return r;
+ }
- template = unit_name_template(info->name);
- if (!template)
- return -ENOMEM;
+ if (unit_name_is_instance(info->name)) {
+
+ /* Unit file doesn't exist, however instance
+ * enablement was requested. We will check if it is
+ * possible to load template unit file. */
+
+ _cleanup_free_ char *template = NULL;
+
+ template = unit_name_template(info->name);
+ if (!template)
+ return -ENOMEM;
- /* We will reuse path variable since we don't need it anymore. */
- template_dir = path;
- *(strrchr(template_dir, '/') + 1) = '\0';
+ STRV_FOREACH(p, paths->unit_path) {
+ _cleanup_free_ char *path = NULL;
- path = strappend(template_dir, template);
+ path = strjoin(*p, "/", template, NULL);
if (!path)
return -ENOMEM;
- if (!isempty(root_dir)) {
- free(full_path);
- full_path = strappend(root_dir, path);
- if (!full_path)
- return -ENOMEM;
- }
-
- /* Let's try to load template unit. */
- r = unit_file_load(c, info, full_path ?: path, allow_symlink);
+ r = unit_file_load(c, info, path, root_dir, allow_symlink, load, also);
if (r >= 0) {
info->path = path;
path = NULL;
+ return r;
}
+ if (r != -ENOENT && r != -ELOOP)
+ return r;
}
-
- if (r != -ENOENT && r != -ELOOP)
- return r;
}
return -ENOENT;
}
static int unit_file_can_install(
- LookupPaths *paths,
+ const LookupPaths *paths,
const char *root_dir,
const char *name,
- bool allow_symlink) {
+ bool allow_symlink,
+ bool *also) {
- _cleanup_install_context_done_ InstallContext c = {};
+ _cleanup_(install_context_done) InstallContext c = {};
InstallInfo *i;
int r;
if (r < 0)
return r;
- assert_se(i = hashmap_first(c.will_install));
+ assert_se(i = ordered_hashmap_first(c.will_install));
- r = unit_file_search(&c, i, paths, root_dir, allow_symlink);
+ r = unit_file_search(&c, i, paths, root_dir, allow_symlink, true, also);
if (r >= 0)
r =
if (!force)
return -EEXIST;
- r = unlink(new_path);
- if (r < 0 && errno != ENOENT)
- return -errno;
+ r = symlink_atomic(old_path, new_path);
+ if (r < 0)
+ return r;
- if (symlink(old_path, new_path) >= 0) {
- add_file_change(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL);
- add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
- return 0;
- }
+ add_file_change(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL);
+ add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
- return -errno;
+ return 0;
}
static int install_info_symlink_alias(
static int install_info_symlink_wants(
InstallInfo *i,
const char *config_path,
+ char **list,
+ const char *suffix,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
+ _cleanup_free_ char *buf = NULL;
+ const char *n;
char **s;
int r = 0, q;
assert(i);
assert(config_path);
- STRV_FOREACH(s, i->wanted_by) {
- _cleanup_free_ char *path = NULL, *dst = NULL;
+ if (unit_name_is_template(i->name)) {
- q = install_full_printf(i, *s, &dst);
- if (q < 0)
- return q;
+ /* Don't install any symlink if there's no default
+ * instance configured */
- if (!unit_name_is_valid(dst, TEMPLATE_VALID)) {
- r = -EINVAL;
- continue;
- }
+ if (!i->default_instance)
+ return 0;
- if (asprintf(&path, "%s/%s.wants/%s", config_path, dst, i->name) < 0)
+ buf = unit_name_replace_instance(i->name, i->default_instance);
+ if (!buf)
return -ENOMEM;
- q = create_symlink(i->path, path, force, changes, n_changes);
-
- if (r == 0)
- r = q;
- }
-
- return r;
-}
-
-static int install_info_symlink_requires(
- InstallInfo *i,
- const char *config_path,
- bool force,
- UnitFileChange **changes,
- unsigned *n_changes) {
-
- char **s;
- int r = 0, q;
-
- assert(i);
- assert(config_path);
+ n = buf;
+ } else
+ n = i->name;
- STRV_FOREACH(s, i->required_by) {
+ STRV_FOREACH(s, list) {
_cleanup_free_ char *path = NULL, *dst = NULL;
q = install_full_printf(i, *s, &dst);
continue;
}
- if (asprintf(&path, "%s/%s.requires/%s", config_path, dst, i->name) < 0)
+ path = strjoin(config_path, "/", dst, suffix, n, NULL);
+ if (!path)
return -ENOMEM;
q = create_symlink(i->path, path, force, changes, n_changes);
-
if (r == 0)
r = q;
}
static int install_info_symlink_link(
InstallInfo *i,
- LookupPaths *paths,
+ const LookupPaths *paths,
const char *config_path,
+ const char *root_dir,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
- int r;
_cleanup_free_ char *path = NULL;
+ int r;
assert(i);
assert(paths);
if (r != 0)
return r;
- if (asprintf(&path, "%s/%s", config_path, i->name) < 0)
+ path = strjoin(config_path, "/", i->name, NULL);
+ if (!path)
return -ENOMEM;
- r = create_symlink(i->path, path, force, changes, n_changes);
- return r;
+ return create_symlink(i->path, path, force, changes, n_changes);
}
static int install_info_apply(
InstallInfo *i,
- LookupPaths *paths,
+ const LookupPaths *paths,
const char *config_path,
+ const char *root_dir,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
r = install_info_symlink_alias(i, config_path, force, changes, n_changes);
- q = install_info_symlink_wants(i, config_path, force, changes, n_changes);
+ q = install_info_symlink_wants(i, config_path, i->wanted_by, ".wants/", force, changes, n_changes);
if (r == 0)
r = q;
- q = install_info_symlink_requires(i, config_path, force, changes, n_changes);
+ q = install_info_symlink_wants(i, config_path, i->required_by, ".requires/", force, changes, n_changes);
if (r == 0)
r = q;
- q = install_info_symlink_link(i, paths, config_path, force, changes, n_changes);
+ q = install_info_symlink_link(i, paths, config_path, root_dir, force, changes, n_changes);
if (r == 0)
r = q;
static int install_context_apply(
InstallContext *c,
- LookupPaths *paths,
+ const LookupPaths *paths,
const char *config_path,
const char *root_dir,
bool force,
unsigned *n_changes) {
InstallInfo *i;
- int r = 0, q;
+ int r, q;
assert(c);
assert(paths);
assert(config_path);
- while ((i = hashmap_first(c->will_install))) {
+ if (!ordered_hashmap_isempty(c->will_install)) {
+ r = ordered_hashmap_ensure_allocated(&c->have_installed, &string_hash_ops);
+ if (r < 0)
+ return r;
- q = hashmap_ensure_allocated(&c->have_installed, string_hash_func, string_compare_func);
- if (q < 0)
- return q;
+ r = ordered_hashmap_reserve(c->have_installed, ordered_hashmap_size(c->will_install));
+ if (r < 0)
+ return r;
+ }
- assert_se(hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
+ r = 0;
+ while ((i = ordered_hashmap_first(c->will_install))) {
+ assert_se(ordered_hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
- q = unit_file_search(c, i, paths, root_dir, false);
+ q = unit_file_search(c, i, paths, root_dir, false, true, NULL);
if (q < 0) {
if (r >= 0)
r = q;
} else if (r >= 0)
r += q;
- q = install_info_apply(i, paths, config_path, force, changes, n_changes);
+ q = install_info_apply(i, paths, config_path, root_dir, force, changes, n_changes);
if (r >= 0 && q < 0)
r = q;
}
static int install_context_mark_for_removal(
InstallContext *c,
- LookupPaths *paths,
+ const LookupPaths *paths,
Set **remove_symlinks_to,
const char *config_path,
const char *root_dir) {
InstallInfo *i;
- int r = 0, q;
+ int r, q;
assert(c);
assert(paths);
/* Marks all items for removal */
- while ((i = hashmap_first(c->will_install))) {
+ if (!ordered_hashmap_isempty(c->will_install)) {
+ r = ordered_hashmap_ensure_allocated(&c->have_installed, &string_hash_ops);
+ if (r < 0)
+ return r;
- q = hashmap_ensure_allocated(&c->have_installed, string_hash_func, string_compare_func);
- if (q < 0)
- return q;
+ r = ordered_hashmap_reserve(c->have_installed, ordered_hashmap_size(c->will_install));
+ if (r < 0)
+ return r;
+ }
- assert_se(hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
+ r = 0;
+ while ((i = ordered_hashmap_first(c->will_install))) {
+ assert_se(ordered_hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
- q = unit_file_search(c, i, paths, root_dir, false);
+ q = unit_file_search(c, i, paths, root_dir, false, true, NULL);
if (q == -ENOENT) {
/* do nothing */
} else if (q < 0) {
return r;
}
+int unit_file_add_dependency(
+ UnitFileScope scope,
+ bool runtime,
+ const char *root_dir,
+ char **files,
+ char *target,
+ UnitDependency dep,
+ bool force,
+ UnitFileChange **changes,
+ unsigned *n_changes) {
+
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_(install_context_done) InstallContext c = {};
+ _cleanup_free_ char *config_path = NULL;
+ char **i;
+ int r;
+ InstallInfo *info;
+
+ assert(scope >= 0);
+ assert(scope < _UNIT_FILE_SCOPE_MAX);
+
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
+ if (r < 0)
+ return r;
+
+ r = get_config_path(scope, runtime, root_dir, &config_path);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(i, files) {
+ UnitFileState state;
+
+ state = unit_file_get_state(scope, root_dir, *i);
+ if (state < 0)
+ return log_error_errno(state, "Failed to get unit file state for %s: %m", *i);
+
+ if (state == UNIT_FILE_MASKED || state == UNIT_FILE_MASKED_RUNTIME) {
+ log_error("Failed to enable unit: Unit %s is masked", *i);
+ return -EOPNOTSUPP;
+ }
+
+ r = install_info_add_auto(&c, *i);
+ if (r < 0)
+ return r;
+ }
+
+ if (!ordered_hashmap_isempty(c.will_install)) {
+ r = ordered_hashmap_ensure_allocated(&c.have_installed, &string_hash_ops);
+ if (r < 0)
+ return r;
+
+ r = ordered_hashmap_reserve(c.have_installed, ordered_hashmap_size(c.will_install));
+ if (r < 0)
+ return r;
+ }
+
+ while ((info = ordered_hashmap_first(c.will_install))) {
+ assert_se(ordered_hashmap_move_one(c.have_installed, c.will_install, info->name) == 0);
+
+ r = unit_file_search(&c, info, &paths, root_dir, false, false, NULL);
+ if (r < 0)
+ return r;
+
+ if (dep == UNIT_WANTS)
+ r = strv_extend(&info->wanted_by, target);
+ else if (dep == UNIT_REQUIRES)
+ r = strv_extend(&info->required_by, target);
+ else
+ r = -EINVAL;
+
+ if (r < 0)
+ return r;
+
+ r = install_info_apply(info, &paths, config_path, root_dir, force, changes, n_changes);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
int unit_file_enable(
UnitFileScope scope,
bool runtime,
unsigned *n_changes) {
_cleanup_lookup_paths_free_ LookupPaths paths = {};
- _cleanup_install_context_done_ InstallContext c = {};
+ _cleanup_(install_context_done) InstallContext c = {};
char **i;
_cleanup_free_ char *config_path = NULL;
int r;
return r;
STRV_FOREACH(i, files) {
+ UnitFileState state;
+
+ /* We only want to know if this unit is masked, so we ignore
+ * errors from unit_file_get_state, deferring other checks.
+ * This allows templated units to be enabled on the fly. */
+ state = unit_file_get_state(scope, root_dir, *i);
+ if (state == UNIT_FILE_MASKED || state == UNIT_FILE_MASKED_RUNTIME) {
+ log_error("Failed to enable unit: Unit %s is masked", *i);
+ return -EOPNOTSUPP;
+ }
+
r = install_info_add_auto(&c, *i);
if (r < 0)
return r;
unsigned *n_changes) {
_cleanup_lookup_paths_free_ LookupPaths paths = {};
- _cleanup_install_context_done_ InstallContext c = {};
+ _cleanup_(install_context_done) InstallContext c = {};
char **i;
_cleanup_free_ char *config_path = NULL;
_cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
r = install_context_mark_for_removal(&c, &paths, &remove_symlinks_to, config_path, root_dir);
q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files);
- if (r == 0)
+ if (r >= 0)
r = q;
return r;
unsigned *n_changes) {
_cleanup_lookup_paths_free_ LookupPaths paths = {};
- _cleanup_install_context_done_ InstallContext c = {};
+ _cleanup_(install_context_done) InstallContext c = {};
_cleanup_free_ char *config_path = NULL;
char *path;
int r;
if (r < 0)
return r;
- assert_se(i = hashmap_first(c.will_install));
+ assert_se(i = ordered_hashmap_first(c.will_install));
- r = unit_file_search(&c, i, &paths, root_dir, false);
+ r = unit_file_search(&c, i, &paths, root_dir, false, true, NULL);
if (r < 0)
return r;
- path = strappenda(config_path, "/" SPECIAL_DEFAULT_TARGET);
+ path = strjoina(config_path, "/" SPECIAL_DEFAULT_TARGET);
r = create_symlink(i->path, path, force, changes, n_changes);
if (r < 0)
_cleanup_free_ char *path = NULL, *tmp = NULL;
char *n;
- if (isempty(root_dir))
- path = strappend(*p, "/" SPECIAL_DEFAULT_TARGET);
- else
- path = strjoin(root_dir, "/", *p, "/" SPECIAL_DEFAULT_TARGET, NULL);
-
+ path = path_join(root_dir, *p, SPECIAL_DEFAULT_TARGET);
if (!path)
return -ENOMEM;
return -ENOENT;
}
-UnitFileState unit_file_get_state(
+UnitFileState unit_file_lookup_state(
UnitFileScope scope,
const char *root_dir,
+ const LookupPaths *paths,
const char *name) {
- _cleanup_lookup_paths_free_ LookupPaths paths = {};
UnitFileState state = _UNIT_FILE_STATE_INVALID;
char **i;
_cleanup_free_ char *path = NULL;
- int r;
-
- assert(scope >= 0);
- assert(scope < _UNIT_FILE_SCOPE_MAX);
- assert(name);
+ int r = 0;
- if (root_dir && scope != UNIT_FILE_SYSTEM)
- return -EINVAL;
+ assert(paths);
if (!unit_name_is_valid(name, TEMPLATE_VALID))
return -EINVAL;
- r = lookup_paths_init_from_scope(&paths, scope, root_dir);
- if (r < 0)
- return r;
-
- STRV_FOREACH(i, paths.unit_path) {
+ STRV_FOREACH(i, paths->unit_path) {
struct stat st;
char *partial;
+ bool also = false;
free(path);
- path = NULL;
-
- if (root_dir)
- asprintf(&path, "%s/%s/%s", root_dir, *i, name);
- else
- asprintf(&path, "%s/%s", *i, name);
+ path = path_join(root_dir, *i, name);
if (!path)
return -ENOMEM;
if (root_dir)
- partial = path + strlen(root_dir) + 1;
+ partial = path + strlen(root_dir);
else
partial = path;
else if (r > 0)
return state;
- r = unit_file_can_install(&paths, root_dir, partial, true);
+ r = unit_file_can_install(paths, root_dir, partial, true, &also);
if (r < 0 && errno != ENOENT)
return r;
else if (r > 0)
return UNIT_FILE_DISABLED;
- else if (r == 0)
+ else if (r == 0) {
+ if (also)
+ return UNIT_FILE_INDIRECT;
return UNIT_FILE_STATIC;
+ }
}
return r < 0 ? r : state;
}
-int unit_file_query_preset(UnitFileScope scope, const char *name) {
+UnitFileState unit_file_get_state(
+ UnitFileScope scope,
+ const char *root_dir,
+ const char *name) {
+
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ int r;
+
+ assert(scope >= 0);
+ assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(name);
+
+ if (root_dir && scope != UNIT_FILE_SYSTEM)
+ return -EINVAL;
+
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
+ if (r < 0)
+ return r;
+
+ return unit_file_lookup_state(scope, root_dir, &paths, name);
+}
+
+int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char *name) {
_cleanup_strv_free_ char **files = NULL;
- char **i;
+ char **p;
int r;
assert(scope >= 0);
assert(name);
if (scope == UNIT_FILE_SYSTEM)
- r = conf_files_list(&files, ".preset", NULL,
+ r = conf_files_list(&files, ".preset", root_dir,
"/etc/systemd/system-preset",
"/usr/local/lib/systemd/system-preset",
"/usr/lib/systemd/system-preset",
#endif
NULL);
else if (scope == UNIT_FILE_GLOBAL)
- r = conf_files_list(&files, ".preset", NULL,
+ r = conf_files_list(&files, ".preset", root_dir,
"/etc/systemd/user-preset",
"/usr/local/lib/systemd/user-preset",
"/usr/lib/systemd/user-preset",
if (r < 0)
return r;
- STRV_FOREACH(i, files) {
+ STRV_FOREACH(p, files) {
_cleanup_fclose_ FILE *f;
- f = fopen(*i, "re");
+ f = fopen(*p, "re");
if (!f) {
if (errno == ENOENT)
continue;
l += 6;
l += strspn(l, WHITESPACE);
- if (fnmatch(l, name, FNM_NOESCAPE) == 0)
+ if (fnmatch(l, name, FNM_NOESCAPE) == 0) {
+ log_debug("Preset file says enable %s.", name);
return 1;
+ }
} else if (first_word(l, "disable")) {
l += 7;
l += strspn(l, WHITESPACE);
- if (fnmatch(l, name, FNM_NOESCAPE) == 0)
+ if (fnmatch(l, name, FNM_NOESCAPE) == 0) {
+ log_debug("Preset file says disable %s.", name);
return 0;
+ }
} else
log_debug("Couldn't parse line '%s'", l);
}
/* Default is "enable" */
+ log_debug("Preset file doesn't say anything about %s, enabling.", name);
return 1;
}
UnitFileChange **changes,
unsigned *n_changes) {
- _cleanup_install_context_done_ InstallContext plus = {}, minus = {};
+ _cleanup_(install_context_done) InstallContext plus = {}, minus = {};
_cleanup_lookup_paths_free_ LookupPaths paths = {};
_cleanup_free_ char *config_path = NULL;
char **i;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- assert(mode < _UNIT_FILE_PRESET_MODE_MAX);
+ assert(mode < _UNIT_FILE_PRESET_MAX);
r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
if (!unit_name_is_valid(*i, TEMPLATE_VALID))
return -EINVAL;
- r = unit_file_query_preset(scope, *i);
+ r = unit_file_query_preset(scope, root_dir, *i);
if (r < 0)
return r;
UnitFileChange **changes,
unsigned *n_changes) {
- _cleanup_install_context_done_ InstallContext plus = {}, minus = {};
+ _cleanup_(install_context_done) InstallContext plus = {}, minus = {};
_cleanup_lookup_paths_free_ LookupPaths paths = {};
_cleanup_free_ char *config_path = NULL;
char **i;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- assert(mode < _UNIT_FILE_PRESET_MODE_MAX);
+ assert(mode < _UNIT_FILE_PRESET_MAX);
r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
STRV_FOREACH(i, paths.unit_path) {
_cleanup_closedir_ DIR *d = NULL;
- _cleanup_free_ char *buf = NULL;
- const char *units_dir;
-
- if (!isempty(root_dir)) {
- buf = strjoin(root_dir, "/", *i, NULL);
- if (!buf)
- return -ENOMEM;
+ _cleanup_free_ char *units_dir;
- units_dir = buf;
- } else
- units_dir = *i;
+ units_dir = path_join(root_dir, *i, NULL);
+ if (!units_dir)
+ return -ENOMEM;
d = opendir(units_dir);
if (!d) {
if (!de)
break;
- if (ignore_file(de->d_name))
+ if (hidden_file(de->d_name))
continue;
if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
if (de->d_type != DT_REG)
continue;
- r = unit_file_query_preset(scope, de->d_name);
+ r = unit_file_query_preset(scope, root_dir, de->d_name);
if (r < 0)
return r;
return r;
}
-static void unitfilelist_free(UnitFileList **f) {
- if (!*f)
+static void unit_file_list_free_one(UnitFileList *f) {
+ if (!f)
return;
- free((*f)->path);
- free(*f);
+ free(f->path);
+ free(f);
}
-#define _cleanup_unitfilelist_free_ _cleanup_(unitfilelist_free)
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(UnitFileList*, unit_file_list_free_one);
int unit_file_get_list(
UnitFileScope scope,
if (root_dir && scope != UNIT_FILE_SYSTEM)
return -EINVAL;
+ if (root_dir) {
+ r = access(root_dir, F_OK);
+ if (r < 0)
+ return -errno;
+ }
+
r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
STRV_FOREACH(i, paths.unit_path) {
_cleanup_closedir_ DIR *d = NULL;
- _cleanup_free_ char *buf = NULL;
- const char *units_dir;
+ _cleanup_free_ char *units_dir;
- if (!isempty(root_dir)) {
- buf = strjoin(root_dir, "/", *i, NULL);
- if (!buf)
- return -ENOMEM;
-
- units_dir = buf;
- } else
- units_dir = *i;
+ units_dir = path_join(root_dir, *i, NULL);
+ if (!units_dir)
+ return -ENOMEM;
d = opendir(units_dir);
if (!d) {
}
for (;;) {
- _cleanup_unitfilelist_free_ UnitFileList *f = NULL;
+ _cleanup_(unit_file_list_free_onep) UnitFileList *f = NULL;
struct dirent *de;
+ _cleanup_free_ char *path = NULL;
errno = 0;
de = readdir(d);
if (!de)
break;
- if (ignore_file(de->d_name))
+ if (hidden_file(de->d_name))
continue;
if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
goto found;
}
- r = unit_file_can_install(&paths, root_dir, f->path, true);
+ path = path_make_absolute(de->d_name, *i);
+ if (!path)
+ return -ENOMEM;
+
+ r = unit_file_can_install(&paths, root_dir, path, true, NULL);
if (r == -EINVAL || /* Invalid setting? */
r == -EBADMSG || /* Invalid format? */
r == -ENOENT /* Included file not found? */)
[UNIT_FILE_MASKED_RUNTIME] = "masked-runtime",
[UNIT_FILE_STATIC] = "static",
[UNIT_FILE_DISABLED] = "disabled",
+ [UNIT_FILE_INDIRECT] = "indirect",
[UNIT_FILE_INVALID] = "invalid",
};
DEFINE_STRING_TABLE_LOOKUP(unit_file_change_type, UnitFileChangeType);
-static const char* const unit_file_preset_mode_table[_UNIT_FILE_PRESET_MODE_MAX] = {
+static const char* const unit_file_preset_mode_table[_UNIT_FILE_PRESET_MAX] = {
[UNIT_FILE_PRESET_FULL] = "full",
[UNIT_FILE_PRESET_ENABLE_ONLY] = "enable-only",
[UNIT_FILE_PRESET_DISABLE_ONLY] = "disable-only",
~ianmdlvl / elogind.git / blobdiff