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core: rework unit name validation and manipulation logic

Browse Source 
A variety of changes:

- Make sure all our calls distuingish OOM from other errors if OOM is
  not the only error possible.

- Be much stricter when parsing escaped paths, do not accept trailing or
  leading escaped slashes.

- Change unit validation to take a bit mask for allowing plain names,
  instance names or template names or an combination thereof.

- Refuse manipulating invalid unit name
This commit is contained in:
Lennart Poettering 2015-04-30 20:21:00 +02:00
parent 6442185ab6
commit 7410616cd9
34 changed files with 1066 additions and 867 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/core/automount.c
View File

@ -167,8 +167,9 @@ static int automount_add_default_dependencies(Automount *a) {
}
static int automount_verify(Automount *a) {
bool b;
_cleanup_free_ char *e = NULL;
int r;
assert(a);
if (UNIT(a)->load_state != UNIT_LOADED)
@ -179,13 +180,11 @@ static int automount_verify(Automount *a) {
return -EINVAL;
}
e = unit_name_from_path(a->where, ".automount");
if (!e)
return -ENOMEM;
r = unit_name_from_path(a->where, ".automount", &e);
if (r < 0)
return log_unit_error(UNIT(a)->id, "Failed to generate unit name from path: %m");
b = unit_has_name(UNIT(a), e);
if (!b) {
if (!unit_has_name(UNIT(a), e)) {
log_unit_error(UNIT(a)->id, "%s's Where setting doesn't match unit name. Refusing.", UNIT(a)->id);
return -EINVAL;
}
@ -209,9 +208,9 @@ static int automount_load(Unit *u) {
Unit *x;
if (!a->where) {
a->where = unit_name_to_path(u->id);
if (!a->where)
return -ENOMEM;
r = unit_name_to_path(u->id, &a->where);
if (r < 0)
return r;
}
path_kill_slashes(a->where);

6
src/core/busname.c
View File

@ -163,9 +163,9 @@ static int busname_add_extras(BusName *n) {
assert(n);
if (!n->name) {
n->name = unit_name_to_prefix(u->id);
if (!n->name)
return -ENOMEM;
r = unit_name_to_prefix(u->id, &n->name);
if (r < 0)
return r;
}
if (!u->description) {

4
src/core/dbus-unit.c
View File

@ -940,7 +940,7 @@ static int bus_unit_set_transient_property(
if (r < 0)
return r;
if (!unit_name_is_valid(s, TEMPLATE_INVALID) || !endswith(s, ".slice"))
if (!unit_name_is_valid(s, UNIT_NAME_PLAIN) || !endswith(s, ".slice"))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid slice name %s", s);
if (isempty(s)) {
@ -988,7 +988,7 @@ static int bus_unit_set_transient_property(
return r;
while ((r = sd_bus_message_read(message, "s", &other)) > 0) {
if (!unit_name_is_valid(other, TEMPLATE_INVALID))
if (!unit_name_is_valid(other, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name %s", other);
if (mode != UNIT_CHECK) {

19
src/core/device.c
View File

@ -279,9 +279,9 @@ static int device_add_udev_wants(Unit *u, struct udev_device *dev) {
memcpy(e, word, l);
e[l] = 0;
n = unit_name_mangle(e, MANGLE_NOGLOB);
if (!n)
return log_oom();
r = unit_name_mangle(e, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_unit_error_errno(u->id, r, "Failed to mangle unit name: %m");
r = unit_add_dependency_by_name(u, UNIT_WANTS, n, NULL, true);
if (r < 0)
@ -308,9 +308,9 @@ static int device_setup_unit(Manager *m, struct udev_device *dev, const char *pa
if (!sysfs)
return 0;
e = unit_name_from_path(path, ".device");
if (!e)
return log_oom();
r = unit_name_from_path(path, ".device", &e);
if (r < 0)
return log_unit_error_errno(u->id, r, "Failed to generate device name: %m");
u = manager_get_unit(m, e);
@ -491,6 +491,7 @@ static int device_update_found_by_sysfs(Manager *m, const char *sysfs, bool add,
static int device_update_found_by_name(Manager *m, const char *path, bool add, DeviceFound found, bool now) {
_cleanup_free_ char *e = NULL;
Unit *u;
int r;
assert(m);
assert(path);
@ -498,9 +499,9 @@ static int device_update_found_by_name(Manager *m, const char *path, bool add, D
if (found == DEVICE_NOT_FOUND)
return 0;
e = unit_name_from_path(path, ".device");
if (!e)
return log_oom();
r = unit_name_from_path(path, ".device", &e);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name from device path: %m");
u = manager_get_unit(m, e);
if (!u)

16
src/core/load-fragment.c
View File

@ -3394,7 +3394,7 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
* unit name. */
name = basename(*filename);
if (unit_name_is_valid(name, TEMPLATE_VALID)) {
if (unit_name_is_valid(name, UNIT_NAME_ANY)) {
id = set_get(names, name);
if (!id) {
@ -3642,11 +3642,11 @@ int unit_load_fragment(Unit *u) {
/* Look for a template */
if (u->load_state == UNIT_STUB && u->instance) {
_cleanup_free_ char *k;
_cleanup_free_ char *k = NULL;
k = unit_name_template(u->id);
if (!k)
return -ENOMEM;
r = unit_name_template(u->id, &k);
if (r < 0)
return r;
r = load_from_path(u, k);
if (r < 0)
@ -3659,9 +3659,9 @@ int unit_load_fragment(Unit *u) {
if (t == u->id)
continue;
z = unit_name_template(t);
if (!z)
return -ENOMEM;
r = unit_name_template(t, &z);
if (r < 0)
return r;
r = load_from_path(u, z);
if (r < 0)

17
src/core/manager.c
View File

@ -1306,7 +1306,7 @@ int manager_load_unit_prepare(
t = unit_name_to_type(name);
if (t == _UNIT_TYPE_INVALID || !unit_name_is_valid(name, TEMPLATE_INVALID))
if (t == _UNIT_TYPE_INVALID || !unit_name_is_valid(name, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE))
return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s is not valid.", name);
ret = manager_get_unit(m, name);
@ -2093,7 +2093,7 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
#ifdef HAVE_AUDIT
_cleanup_free_ char *p = NULL;
const char *msg;
int audit_fd;
int audit_fd, r;
audit_fd = get_audit_fd();
if (audit_fd < 0)
@ -2110,9 +2110,9 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
if (u->type != UNIT_SERVICE)
return;
p = unit_name_to_prefix_and_instance(u->id);
if (!p) {
log_oom();
r = unit_name_to_prefix_and_instance(u->id, &p);
if (r < 0) {
log_error_errno(r, "Failed to extract prefix and instance of unit name: %m");
return;
}
@ -3027,15 +3027,16 @@ void manager_status_printf(Manager *m, StatusType type, const char *status, cons
int manager_get_unit_by_path(Manager *m, const char *path, const char *suffix, Unit **_found) {
_cleanup_free_ char *p = NULL;
Unit *found;
int r;
assert(m);
assert(path);
assert(suffix);
assert(_found);
p = unit_name_from_path(path, suffix);
if (!p)
return -ENOMEM;
r = unit_name_from_path(path, suffix, &p);
if (r < 0)
return r;
found = manager_get_unit(m, p);
if (!found) {

23
src/core/mount.c
View File

@ -435,7 +435,7 @@ static int mount_add_default_dependencies(Mount *m) {
static int mount_verify(Mount *m) {
_cleanup_free_ char *e = NULL;
bool b;
int r;
assert(m);
@ -445,12 +445,11 @@ static int mount_verify(Mount *m) {
if (!m->from_fragment && !m->from_proc_self_mountinfo)
return -ENOENT;
e = unit_name_from_path(m->where, ".mount");
if (!e)
return -ENOMEM;
r = unit_name_from_path(m->where, ".mount", &e);
if (r < 0)
return log_unit_error_errno(UNIT(m)->id, r, "Failed to generate unit name from mount path: %m");
b = unit_has_name(UNIT(m), e);
if (!b) {
if (!unit_has_name(UNIT(m), e)) {
log_unit_error(UNIT(m)->id, "%s's Where= setting doesn't match unit name. Refusing.", UNIT(m)->id);
return -EINVAL;
}
@ -483,9 +482,9 @@ static int mount_add_extras(Mount *m) {
m->from_fragment = true;
if (!m->where) {
m->where = unit_name_to_path(u->id);
if (!m->where)
return -ENOMEM;
r = unit_name_to_path(u->id, &m->where);
if (r < 0)
return r;
}
path_kill_slashes(m->where);
@ -1419,9 +1418,9 @@ static int mount_setup_unit(
if (!is_path(where))
return 0;
e = unit_name_from_path(where, ".mount");
if (!e)
return -ENOMEM;
r = unit_name_from_path(where, ".mount", &e);
if (r < 0)
return r;
u = manager_get_unit(m, e);
if (!u) {

4
src/core/snapshot.c
View File

@ -201,10 +201,10 @@ int snapshot_create(Manager *m, const char *name, bool cleanup, sd_bus_error *e,
assert(_s);
if (name) {
if (!unit_name_is_valid(name, TEMPLATE_INVALID))
if (!unit_name_is_valid(name, UNIT_NAME_PLAIN))
return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s is not valid.", name);
if (unit_name_to_type(name) != UNIT_SNAPSHOT)
if (!endswith(name, ".snapshot"))
return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s lacks snapshot suffix.", name);
if (manager_get_unit(m, name))

23
src/core/socket.c
View File

@ -196,12 +196,15 @@ int socket_instantiate_service(Socket *s) {
* here. For Accept=no this is mostly a NOP since the service
* is figured out at load time anyway. */
if (UNIT_DEREF(s->service) || !s->accept)
if (UNIT_DEREF(s->service))
return 0;
prefix = unit_name_to_prefix(UNIT(s)->id);
if (!prefix)
return -ENOMEM;
if (!s->accept)
return 0;
r = unit_name_to_prefix(UNIT(s)->id, &prefix);
if (r < 0)
return r;
if (asprintf(&name, "%s@%u.service", prefix, s->n_accepted) < 0)
return -ENOMEM;
@ -1836,17 +1839,13 @@ static void socket_enter_running(Socket *s, int cfd) {
return;
}
prefix = unit_name_to_prefix(UNIT(s)->id);
if (!prefix) {
r = -ENOMEM;
r = unit_name_to_prefix(UNIT(s)->id, &prefix);
if (r < 0)
goto fail;
}
name = unit_name_build(prefix, instance, ".service");
if (!name) {
r = -ENOMEM;
r = unit_name_build(prefix, instance, ".service", &name);
if (r < 0)
goto fail;
}
r = unit_add_name(UNIT_DEREF(s->service), name);
if (r < 0)

39
src/core/swap.c
View File

@ -222,18 +222,17 @@ static int swap_add_default_dependencies(Swap *s) {
}
static int swap_verify(Swap *s) {
bool b;
_cleanup_free_ char *e = NULL;
int r;
if (UNIT(s)->load_state != UNIT_LOADED)
return 0;
e = unit_name_from_path(s->what, ".swap");
if (!e)
return log_oom();
r = unit_name_from_path(s->what, ".swap", &e);
if (r < 0)
return log_unit_error_errno(UNIT(s)->id, r, "%s: failed to generate unit name from path: %m", UNIT(s)->id);
b = unit_has_name(UNIT(s), e);
if (!b) {
if (!unit_has_name(UNIT(s), e)) {
log_unit_error(UNIT(s)->id, "%s: Value of \"What\" and unit name do not match, not loading.", UNIT(s)->id);
return -EINVAL;
}
@ -289,8 +288,11 @@ static int swap_load(Unit *u) {
s->what = strdup(s->parameters_fragment.what);
else if (s->parameters_proc_swaps.what)
s->what = strdup(s->parameters_proc_swaps.what);
else
s->what = unit_name_to_path(u->id);
else {
r = unit_name_to_path(u->id, &s->what);
if (r < 0)
return r;
}
if (!s->what)
return -ENOMEM;
@ -355,9 +357,9 @@ static int swap_setup_unit(
assert(what);
assert(what_proc_swaps);
e = unit_name_from_path(what, ".swap");
if (!e)
return log_oom();
r = unit_name_from_path(what, ".swap", &e);
if (r < 0)
return log_unit_error_errno(u->id, r, "Failed to generate unit name from path: %m");
u = manager_get_unit(m, e);
@ -1329,9 +1331,9 @@ int swap_process_device_new(Manager *m, struct udev_device *dev) {
if (!dn)
return 0;
e = unit_name_from_path(dn, ".swap");
if (!e)
return -ENOMEM;
r = unit_name_from_path(dn, ".swap", &e);
if (r < 0)
return r;
s = hashmap_get(m->units, e);
if (s)
@ -1340,15 +1342,14 @@ int swap_process_device_new(Manager *m, struct udev_device *dev) {
first = udev_device_get_devlinks_list_entry(dev);
udev_list_entry_foreach(item, first) {
_cleanup_free_ char *n = NULL;
int q;
n = unit_name_from_path(udev_list_entry_get_name(item), ".swap");
if (!n)
return -ENOMEM;
q = unit_name_from_path(udev_list_entry_get_name(item), ".swap", &n);
if (q < 0)
return q;
s = hashmap_get(m->units, n);
if (s) {
int q;
q = swap_set_devnode(s, dn);
if (q < 0)
r = q;

55
src/core/unit-printf.c
View File

@ -30,83 +30,54 @@
static int specifier_prefix_and_instance(char specifier, void *data, void *userdata, char **ret) {
Unit *u = userdata;
char *n;
assert(u);
n = unit_name_to_prefix_and_instance(u->id);
if (!n)
return -ENOMEM;
*ret = n;
return 0;
return unit_name_to_prefix_and_instance(u->id, ret);
}
static int specifier_prefix(char specifier, void *data, void *userdata, char **ret) {
Unit *u = userdata;
char *n;
assert(u);
n = unit_name_to_prefix(u->id);
if (!n)
return -ENOMEM;
*ret = n;
return 0;
return unit_name_to_prefix(u->id, ret);
}
static int specifier_prefix_unescaped(char specifier, void *data, void *userdata, char **ret) {
Unit *u = userdata;
_cleanup_free_ char *p = NULL;
char *n;
Unit *u = userdata;
int r;
assert(u);
p = unit_name_to_prefix(u->id);
if (!p)
return -ENOMEM;
r = unit_name_to_prefix(u->id, &p);
if (r < 0)
return r;
n = unit_name_unescape(p);
if (!n)
return -ENOMEM;
*ret = n;
return 0;
return unit_name_unescape(p, ret);
}
static int specifier_instance_unescaped(char specifier, void *data, void *userdata, char **ret) {
Unit *u = userdata;
char *n;
assert(u);
if (!u->instance)
return -EOPNOTSUPP;
return -EINVAL;
n = unit_name_unescape(u->instance);
if (!n)
return -ENOMEM;
*ret = n;
return 0;
return unit_name_unescape(u->instance, ret);
}
static int specifier_filename(char specifier, void *data, void *userdata, char **ret) {
Unit *u = userdata;
char *n;
assert(u);
if (u->instance)
n = unit_name_path_unescape(u->instance);
return unit_name_path_unescape(u->instance, ret);
else
n = unit_name_to_path(u->id);
if (!n)
return -ENOMEM;
*ret = n;
return 0;
return unit_name_to_path(u->id, ret);
}
static int specifier_cgroup(char specifier, void *data, void *userdata, char **ret) {
@ -195,7 +166,7 @@ static int specifier_user_name(char specifier, void *data, void *userdata, char
c = unit_get_exec_context(u);
if (!c)
return -EOPNOTSUPP;
return -EINVAL;
if (u->manager->running_as == SYSTEMD_SYSTEM) {

162
src/core/unit.c
View File

@ -143,21 +143,31 @@ int unit_add_name(Unit *u, const char *text) {
assert(u);
assert(text);
if (unit_name_is_template(text)) {
if (unit_name_is_valid(text, UNIT_NAME_TEMPLATE)) {
if (!u->instance)
return -EINVAL;
s = unit_name_replace_instance(text, u->instance);
} else
r = unit_name_replace_instance(text, u->instance, &s);
if (r < 0)
return r;
} else {
s = strdup(text);
if (!s)
return -ENOMEM;
if (!s)
return -ENOMEM;
}
if (!unit_name_is_valid(s, TEMPLATE_INVALID))
if (set_contains(u->names, s))
return 0;
if (hashmap_contains(u->manager->units, s))
return -EEXIST;
if (!unit_name_is_valid(s, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE))
return -EINVAL;
assert_se((t = unit_name_to_type(s)) >= 0);
t = unit_name_to_type(s);
if (t < 0)
return -EINVAL;
if (u->type != _UNIT_TYPE_INVALID && t != u->type)
return -EINVAL;
@ -170,25 +180,25 @@ int unit_add_name(Unit *u, const char *text) {
return -EINVAL;
/* Ensure that this unit is either instanced or not instanced,
* but not both. */
* but not both. Note that we do allow names with different
* instance names however! */
if (u->type != _UNIT_TYPE_INVALID && !u->instance != !i)
return -EINVAL;
if (unit_vtable[t]->no_alias &&
!set_isempty(u->names) &&
!set_get(u->names, s))
if (unit_vtable[t]->no_alias && !set_isempty(u->names))
return -EEXIST;
if (hashmap_size(u->manager->units) >= MANAGER_MAX_NAMES)
return -E2BIG;
r = set_put(u->names, s);
if (r <= 0)
if (r < 0)
return r;
assert(r > 0);
r = hashmap_put(u->manager->units, s, u);
if (r < 0) {
set_remove(u->names, s);
(void) set_remove(u->names, s);
return r;
}
@ -218,14 +228,14 @@ int unit_choose_id(Unit *u, const char *name) {
assert(u);
assert(name);
if (unit_name_is_template(name)) {
if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
if (!u->instance)
return -EINVAL;
t = unit_name_replace_instance(name, u->instance);
if (!t)
return -ENOMEM;
r = unit_name_replace_instance(name, u->instance, &t);
if (r < 0)
return r;
name = t;
}
@ -235,6 +245,7 @@ int unit_choose_id(Unit *u, const char *name) {
if (!s)
return -ENOENT;
/* Determine the new instance from the new id */
r = unit_name_to_instance(s, &i);
if (r < 0)
return r;
@ -748,24 +759,22 @@ int unit_merge_by_name(Unit *u, const char *name) {
assert(u);
assert(name);
if (unit_name_is_template(name)) {
if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
if (!u->instance)
return -EINVAL;
s = unit_name_replace_instance(name, u->instance);
if (!s)
return -ENOMEM;
r = unit_name_replace_instance(name, u->instance, &s);
if (r < 0)
return r;
name = s;
}
other = manager_get_unit(u->manager, name);
if (!other)
r = unit_add_name(u, name);
else
r = unit_merge(u, other);
if (other)
return unit_merge(u, other);
return r;
return unit_add_name(u, name);
}
Unit* unit_follow_merge(Unit *u) {
@ -2294,58 +2303,55 @@ int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit
if (r < 0)
return r;
r = unit_add_dependency(u, e, other, add_reference);
if (r < 0)
return r;
return 0;
return unit_add_dependency(u, e, other, add_reference);
}
static const char *resolve_template(Unit *u, const char *name, const char*path, char **p) {
char *s;
static int resolve_template(Unit *u, const char *name, const char*path, char **buf, const char **ret) {
int r;
assert(u);
assert(name || path);
assert(p);
assert(buf);
assert(ret);
if (!name)
name = basename(path);
if (!unit_name_is_template(name)) {
*p = NULL;
return name;
if (!unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
*buf = NULL;
*ret = name;
return 0;
}
if (u->instance)
s = unit_name_replace_instance(name, u->instance);
r = unit_name_replace_instance(name, u->instance, buf);
else {
_cleanup_free_ char *i = NULL;
i = unit_name_to_prefix(u->id);
if (!i)
return NULL;
r = unit_name_to_prefix(u->id, &i);
if (r < 0)
return r;
s = unit_name_replace_instance(name, i);
r = unit_name_replace_instance(name, i, buf);
}
if (r < 0)
return r;
if (!s)
return NULL;
*p = s;
return s;
*ret = *buf;
return 0;
}
int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *path, bool add_reference) {
_cleanup_free_ char *buf = NULL;
Unit *other;
int r;
_cleanup_free_ char *s = NULL;
assert(u);
assert(name || path);
name = resolve_template(u, name, path, &s);
if (!name)
return -ENOMEM;
r = resolve_template(u, name, path, &buf, &name);
if (r < 0)
return r;
r = manager_load_unit(u->manager, name, path, NULL, &other);
if (r < 0)
@ -2355,16 +2361,16 @@ int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, con
}
int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference) {
_cleanup_free_ char *s = NULL;
_cleanup_free_ char *buf = NULL;
Unit *other;
int r;
assert(u);
assert(name || path);
name = resolve_template(u, name, path, &s);
if (!name)
return -ENOMEM;
r = resolve_template(u, name, path, &buf, &name);
if (r < 0)
return r;
r = manager_load_unit(u->manager, name, path, NULL, &other);
if (r < 0)
@ -2374,16 +2380,16 @@ int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency
}
int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *path, bool add_reference) {
_cleanup_free_ char *buf = NULL;
Unit *other;
int r;
_cleanup_free_ char *s = NULL;
assert(u);
assert(name || path);
name = resolve_template(u, name, path, &s);
if (!name)
return -ENOMEM;
r = resolve_template(u, name, path, &buf, &name);
if (r < 0)
return r;
r = manager_load_unit(u->manager, name, path, NULL, &other);
if (r < 0)
@ -2393,26 +2399,22 @@ int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *n
}
int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference) {
_cleanup_free_ char *buf = NULL;
Unit *other;
int r;
_cleanup_free_ char *s = NULL;
assert(u);
assert(name || path);
name = resolve_template(u, name, path, &s);
if (!name)
return -ENOMEM;
r = resolve_template(u, name, path, &buf, &name);
if (r < 0)
return r;
r = manager_load_unit(u->manager, name, path, NULL, &other);
if (r < 0)
return r;
r = unit_add_two_dependencies(other, d, e, u, add_reference);
if (r < 0)
return r;
return r;
return unit_add_two_dependencies(other, d, e, u, add_reference);
}
int set_unit_path(const char *p) {
@ -2475,14 +2477,14 @@ int unit_add_default_slice(Unit *u, CGroupContext *c) {
/* Implicitly place all instantiated units in their
* own per-template slice */
prefix = unit_name_to_prefix(u->id);
if (!prefix)
return -ENOMEM;
r = unit_name_to_prefix(u->id, &prefix);
if (r < 0)
return r;
/* The prefix is already escaped, but it might include
* "-" which has a special meaning for slice units,
* hence escape it here extra. */
escaped = strreplace(prefix, "-", "\\x2d");
escaped = unit_name_escape(prefix);
if (!escaped)
return -ENOMEM;
@ -2525,11 +2527,11 @@ int unit_load_related_unit(Unit *u, const char *type, Unit **_found) {
assert(type);
assert(_found);
t = unit_name_change_suffix(u->id, type);
if (!t)
return -ENOMEM;
assert(!unit_has_name(u, t));
r = unit_name_change_suffix(u->id, type, &t);
if (r < 0)
return r;
if (unit_has_name(u, t))
return -EINVAL;
r = manager_load_unit(u->manager, t, NULL, NULL, _found);
assert(r < 0 || *_found != u);
@ -2858,9 +2860,9 @@ int unit_add_node_link(Unit *u, const char *what, bool wants) {
if (!unit_type_supported(UNIT_DEVICE))
return 0;
e = unit_name_from_path(what, ".device");
if (!e)
return -ENOMEM;
r = unit_name_from_path(what, ".device", &e);
if (r < 0)
return r;
r = manager_load_unit(u->manager, e, NULL, NULL, &device);
if (r < 0)

20
src/cryptsetup/cryptsetup-generator.c
View File

@ -78,9 +78,9 @@ static int create_disk(
if (!e)
return log_oom();
n = unit_name_build("systemd-cryptsetup", e, ".service");
if (!n)
return log_oom();
r = unit_name_build("systemd-cryptsetup", e, ".service", &n);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
p = strjoin(arg_dest, "/", n, NULL);
if (!p)
@ -90,9 +90,9 @@ static int create_disk(
if (!u)
return log_oom();
d = unit_name_from_path(u, ".device");
if (!d)
return log_oom();
r = unit_name_from_path(u, ".device", &d);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
f = fopen(p, "wxe");
if (!f)
@ -128,11 +128,11 @@ static int create_disk(
if (!path_equal(uu, "/dev/null")) {
if (is_device_path(uu)) {
_cleanup_free_ char *dd;
_cleanup_free_ char *dd = NULL;
dd = unit_name_from_path(uu, ".device");
if (!dd)
return log_oom();
r = unit_name_from_path(uu, ".device", &dd);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
fprintf(f, "After=%1$s\nRequires=%1$s\n", dd);
} else

2
src/dbus1-generator/dbus1-generator.c
View File

@ -188,7 +188,7 @@ static int add_dbus(const char *path, const char *fname, const char *type) {
}
if (service) {
if (!unit_name_is_valid(service, TEMPLATE_INVALID)) {
if (!unit_name_is_valid(service, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) {
log_warning("Unit name %s is not valid, ignoring.", service);
return 0;
}

12
src/debug-generator/debug-generator.c
View File

@ -41,9 +41,9 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
else {
char *n;
n = unit_name_mangle(value, MANGLE_NOGLOB);
if (!n)
return log_oom();
r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to glob unit name: %m");
r = strv_consume(&arg_mask, n);
if (r < 0)
@ -57,9 +57,9 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
else {
char *n;
n = unit_name_mangle(value, MANGLE_NOGLOB);
if (!n)
return log_oom();
r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to glob unit name: %m");
r = strv_consume(&arg_wants, n);
if (r < 0)

40
src/escape/escape.c
View File

@ -99,7 +99,7 @@ static int parse_argv(int argc, char *argv[]) {
case ARG_TEMPLATE:
if (!unit_name_is_valid(optarg, true) || !unit_name_is_template(optarg)) {
if (!unit_name_is_valid(optarg, UNIT_NAME_TEMPLATE)) {
log_error("Template name %s is not valid.", optarg);
return -EINVAL;
}
@ -166,22 +166,26 @@ int main(int argc, char *argv[]) {
switch (arg_action) {
case ACTION_ESCAPE:
if (arg_path)
e = unit_name_path_escape(*i);
else
if (arg_path) {
r = unit_name_path_escape(*i, &e);
if (r < 0) {
log_error_errno(r, "Failed to escape string: %m");
goto finish;
}
} else {
e = unit_name_escape(*i);
if (!e) {
r = log_oom();
goto finish;
if (!e) {
r = log_oom();
goto finish;
}
}
if (arg_template) {
char *x;
x = unit_name_replace_instance(arg_template, e);
if (!x) {
r = log_oom();
r = unit_name_replace_instance(arg_template, e, &x);
if (r < 0) {
log_error_errno(r, "Failed to replace instance: %m");
goto finish;
}
@ -204,20 +208,20 @@ int main(int argc, char *argv[]) {
case ACTION_UNESCAPE:
if (arg_path)
e = unit_name_path_unescape(*i);
r = unit_name_path_unescape(*i, &e);
else
e = unit_name_unescape(*i);
r = unit_name_unescape(*i, &e);
if (!e) {
r = log_oom();
if (r < 0) {
log_error_errno(r, "Failed to unescape string: %m");
goto finish;
}
break;
case ACTION_MANGLE:
e = unit_name_mangle(*i, MANGLE_NOGLOB);
if (!e) {
r = log_oom();
r = unit_name_mangle(*i, UNIT_NAME_NOGLOB, &e);
if (r < 0) {
log_error_errno(r, "Failed to mangle name: %m");
goto finish;
}
break;

18
src/fstab-generator/fstab-generator.c
View File

@ -83,9 +83,9 @@ static int add_swap(
opts = filtered;
}
name = unit_name_from_path(what, ".swap");
if (!name)
return log_oom();
r = unit_name_from_path(what, ".swap", &name);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
unit = strjoin(arg_dest, "/", name, NULL);
if (!unit)
@ -224,9 +224,9 @@ static int add_mount(
noauto = nofail = automount = false;
}
name = unit_name_from_path(where, ".mount");
if (!name)
return log_oom();
r = unit_name_from_path(where, ".mount", &name);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
unit = strjoin(arg_dest, "/", name, NULL);
if (!unit)
@ -290,9 +290,9 @@ static int add_mount(
}
if (automount) {
automount_name = unit_name_from_path(where, ".automount");
if (!automount_name)
return log_oom();
r = unit_name_from_path(where, ".automount", &automount_name);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
automount_unit = strjoin(arg_dest, "/", automount_name, NULL);
if (!automount_unit)

22
src/getty-generator/getty-generator.c
View File

@ -50,13 +50,11 @@ static int add_symlink(const char *fservice, const char *tservice) {
r = symlink(from, to);
if (r < 0) {
/* In case console=hvc0 is passed this will very likely result in EEXIST */
if (errno == EEXIST)
/* In case console=hvc0 is passed this will very likely result in EEXIST */
return 0;
else {
log_error_errno(errno, "Failed to create symlink %s: %m", to);
return -errno;
}
return log_error_errno(errno, "Failed to create symlink %s: %m", to);
}
return 0;
@ -64,28 +62,30 @@ static int add_symlink(const char *fservice, const char *tservice) {
static int add_serial_getty(const char *tty) {
_cleanup_free_ char *n = NULL;
int r;
assert(tty);
log_debug("Automatically adding serial getty for /dev/%s.", tty);
n = unit_name_from_path_instance("serial-getty", tty, ".service");
if (!n)
return log_oom();
r = unit_name_from_path_instance("serial-getty", tty, ".service", &n);
if (r < 0)
return log_error_errno(r, "Failed to generate service name: %m");
return add_symlink("serial-getty@.service", n);
}
static int add_container_getty(const char *tty) {
_cleanup_free_ char *n = NULL;
int r;
assert(tty);
log_debug("Automatically adding container getty for /dev/pts/%s.", tty);
n = unit_name_from_path_instance("container-getty", tty, ".service");
if (!n)
return log_oom();
r = unit_name_from_path_instance("container-getty", tty, ".service", &n);
if (r < 0)
return log_error_errno(r, "Failed to generate service name: %m");
return add_symlink("container-getty@.service", n);
}

25
src/gpt-auto-generator/gpt-auto-generator.c
View File

@ -49,14 +49,15 @@ static bool arg_root_rw = false;
static int add_swap(const char *path) {
_cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL;
_cleanup_fclose_ FILE *f = NULL;
int r;
assert(path);
log_debug("Adding swap: %s", path);
name = unit_name_from_path(path, ".swap");
if (!name)
return log_oom();
r = unit_name_from_path(path, ".swap", &name);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
unit = strjoin(arg_dest, "/", name, NULL);
if (!unit)
@ -100,17 +101,17 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi
assert(what);
assert(device);
d = unit_name_from_path(what, ".device");
if (!d)
return log_oom();
r = unit_name_from_path(what, ".device", &d);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
e = unit_name_escape(id);
if (!e)
return log_oom();
n = unit_name_build("systemd-cryptsetup", e, ".service");
if (!n)
return log_oom();
r = unit_name_build("systemd-cryptsetup", e, ".service", &n);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
p = strjoin(arg_dest, "/", n, NULL);
if (!p)
@ -224,9 +225,9 @@ static int add_mount(
fstype = NULL;
}
unit = unit_name_from_path(where, ".mount");
if (!unit)
return log_oom();
r = unit_name_from_path(where, ".mount", &unit);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
p = strjoin(arg_dest, "/", unit, NULL);
if (!p)

8
src/hibernate-resume/hibernate-resume-generator.c
View File

@ -32,6 +32,7 @@ static const char *arg_dest = "/tmp";
static char *arg_resume_dev = NULL;
static int parse_proc_cmdline_item(const char *key, const char *value) {
if (streq(key, "resume") && value) {
free(arg_resume_dev);
arg_resume_dev = fstab_node_to_udev_node(value);
@ -44,13 +45,14 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
static int process_resume(void) {
_cleanup_free_ char *name = NULL, *lnk = NULL;
int r;
if (!arg_resume_dev)
return 0;
name = unit_name_from_path_instance("systemd-hibernate-resume", arg_resume_dev, ".service");
if (!name)
return log_oom();
r = unit_name_from_path_instance("systemd-hibernate-resume", arg_resume_dev, ".service", &name);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
lnk = strjoin(arg_dest, "/" SPECIAL_SYSINIT_TARGET ".wants/", name, NULL);
if (!lnk)

17
src/journal/journalctl.c
View File

@ -1135,9 +1135,9 @@ static int add_units(sd_journal *j) {
STRV_FOREACH(i, arg_system_units) {
_cleanup_free_ char *u = NULL;
u = unit_name_mangle(*i, MANGLE_GLOB);
if (!u)
return log_oom();
r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u);
if (r < 0)
return r;
if (string_is_glob(u)) {
r = strv_push(&patterns, u);
@ -1181,9 +1181,9 @@ static int add_units(sd_journal *j) {
STRV_FOREACH(i, arg_user_units) {
_cleanup_free_ char *u = NULL;
u = unit_name_mangle(*i, MANGLE_GLOB);
if (!u)
return log_oom();
r = unit_name_mangle(*i, UNIT_NAME_GLOB, &u);
if (r < 0)
return r;
if (string_is_glob(u)) {
r = strv_push(&patterns, u);
@ -1840,9 +1840,8 @@ int main(int argc, char *argv[]) {
return EXIT_FAILURE;
r = add_units(j);
strv_free(arg_system_units);
strv_free(arg_user_units);
arg_system_units = strv_free(arg_system_units);
arg_user_units = strv_free(arg_user_units);
if (r < 0) {
log_error_errno(r, "Failed to add filter for units: %m");
return EXIT_FAILURE;

8
src/login/logind-user.c
View File

@ -378,7 +378,7 @@ static int user_start_slice(User *u) {
char lu[DECIMAL_STR_MAX(uid_t) + 1], *slice;
sprintf(lu, UID_FMT, u->uid);
r = build_subslice(SPECIAL_USER_SLICE, lu, &slice);
r = slice_build_subslice(SPECIAL_USER_SLICE, lu, &slice);
if (r < 0)
return r;
@ -411,9 +411,9 @@ static int user_start_service(User *u) {
char lu[DECIMAL_STR_MAX(uid_t) + 1], *service;
sprintf(lu, UID_FMT, u->uid);
service = unit_name_build("user", lu, ".service");
if (!service)
return log_oom();
r = unit_name_build("user", lu, ".service", &service);
if (r < 0)
return log_error_errno(r, "Failed to build service name: %m");
r = manager_start_unit(u->manager, service, &error, &job);
if (r < 0) {

55
src/machine/machinectl.c
View File

@ -1340,6 +1340,29 @@ static int read_only_image(int argc, char *argv[], void *userdata) {
return 0;
}
static int make_service_name(const char *name, char **ret) {
_cleanup_free_ char *e = NULL;
int r;
assert(name);
assert(ret);
if (!machine_name_is_valid(name)) {
log_error("Invalid machine name %s.", name);
return -EINVAL;
}
e = unit_name_escape(name);
if (!e)
return log_oom();
r = unit_name_build("systemd-nspawn", e, ".service", ret);
if (r < 0)
return log_error_errno(r, "Failed to build unit name: %m");
return 0;
}
static int start_machine(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
@ -1356,21 +1379,12 @@ static int start_machine(int argc, char *argv[], void *userdata) {
for (i = 1; i < argc; i++) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ char *e = NULL, *unit = NULL;
_cleanup_free_ char *unit = NULL;
const char *object;
if (!machine_name_is_valid(argv[i])) {
log_error("Invalid machine name %s.", argv[i]);
return -EINVAL;
}
e = unit_name_escape(argv[i]);
if (!e)
return log_oom();
unit = unit_name_build("systemd-nspawn", e, ".service");
if (!unit)
return log_oom();
r = make_service_name(argv[i], &unit);
if (r < 0)
return r;
r = sd_bus_call_method(
bus,
@ -1433,18 +1447,9 @@ static int enable_machine(int argc, char *argv[], void *userdata) {
for (i = 1; i < argc; i++) {
_cleanup_free_ char *e = NULL, *unit = NULL;
if (!machine_name_is_valid(argv[i])) {
log_error("Invalid machine name %s.", argv[i]);
return -EINVAL;
}
e = unit_name_escape(argv[i]);
if (!e)
return log_oom();
unit = unit_name_build("systemd-nspawn", e, ".service");
if (!unit)
return log_oom();
r = make_service_name(argv[i], &unit);
if (r < 0)
return r;
r = sd_bus_message_append(m, "s", unit);
if (r < 0)

44
src/run/run.c
View File

@ -414,9 +414,9 @@ static int transient_cgroup_set_properties(sd_bus_message *m) {
if (!isempty(arg_slice)) {
_cleanup_free_ char *slice;
slice = unit_name_mangle_with_suffix(arg_slice, MANGLE_NOGLOB, ".slice");
if (!slice)
return -ENOMEM;
r = unit_name_mangle_with_suffix(arg_slice, UNIT_NAME_NOGLOB, ".slice", &slice);
if (r < 0)
return r;
r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
if (r < 0)
@ -728,9 +728,9 @@ static int start_transient_service(
}
if (arg_unit) {
service = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".service");
if (!service)
return log_oom();
r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".service", &service);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
} else if (asprintf(&service, "run-"PID_FMT".service", getpid()) < 0)
return log_oom();
@ -846,9 +846,9 @@ static int start_transient_scope(
return log_oom();
if (arg_unit) {
scope = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".scope");
if (!scope)
return log_oom();
r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".scope", &scope);
if (r < 0)
return log_error_errno(r, "Failed to mangle scope name: %m");
} else if (asprintf(&scope, "run-"PID_FMT".scope", getpid()) < 0)
return log_oom();
@ -980,16 +980,16 @@ static int start_transient_timer(
return log_oom();
if (arg_unit) {
switch(unit_name_to_type(arg_unit)) {
switch (unit_name_to_type(arg_unit)) {
case UNIT_SERVICE:
service = strdup(arg_unit);
if (!service)
return log_oom();
timer = unit_name_change_suffix(service, ".timer");
if (!timer)
return log_oom();
r = unit_name_change_suffix(service, ".timer", &timer);
if (r < 0)
return log_error_errno(r, "Failed to change unit suffix: %m");
break;
case UNIT_TIMER:
@ -997,19 +997,19 @@ static int start_transient_timer(
if (!timer)
return log_oom();
service = unit_name_change_suffix(timer, ".service");
if (!service)
return log_oom();
r = unit_name_change_suffix(timer, ".service", &service);
if (r < 0)
return log_error_errno(r, "Failed to change unit suffix: %m");
break;
default:
service = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".service");
if (!service)
return log_oom();
r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".service", &service);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
timer = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".timer");
if (!timer)
return log_oom();
r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".timer", &timer);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
break;
}

15
src/shared/cgroup-util.c
View File

@ -1154,7 +1154,7 @@ int cg_path_decode_unit(const char *cgroup, char **unit){
c = strndupa(cgroup, n);
c = cg_unescape(c);
if (!unit_name_is_valid(c, TEMPLATE_INVALID))
if (!unit_name_is_valid(c, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE))
return -ENXIO;
s = strdup(c);
@ -1181,7 +1181,7 @@ static bool valid_slice_name(const char *p, size_t n) {
c = cg_unescape(buf);
return unit_name_is_valid(c, TEMPLATE_INVALID);
return unit_name_is_valid(c, UNIT_NAME_PLAIN);
}
return false;
@ -1638,6 +1638,7 @@ bool cg_controller_is_valid(const char *p, bool allow_named) {
int cg_slice_to_path(const char *unit, char **ret) {
_cleanup_free_ char *p = NULL, *s = NULL, *e = NULL;
const char *dash;
int r;
assert(unit);
assert(ret);
@ -1652,15 +1653,15 @@ int cg_slice_to_path(const char *unit, char **ret) {
return 0;
}
if (!unit_name_is_valid(unit, TEMPLATE_INVALID))
if (!unit_name_is_valid(unit, UNIT_NAME_PLAIN))
return -EINVAL;
if (!endswith(unit, ".slice"))
return -EINVAL;
p = unit_name_to_prefix(unit);
if (!p)
return -ENOMEM;
r = unit_name_to_prefix(unit, &p);
if (r < 0)
return r;
dash = strchr(p, '-');
@ -1677,7 +1678,7 @@ int cg_slice_to_path(const char *unit, char **ret) {
return -EINVAL;
strcpy(stpncpy(n, p, dash - p), ".slice");
if (!unit_name_is_valid(n, TEMPLATE_INVALID))
if (!unit_name_is_valid(n, UNIT_NAME_PLAIN))
return -EINVAL;
escaped = cg_escape(n);

15
src/shared/dropin.c
View File

@ -164,7 +164,7 @@ static int iterate_dir(
}
int unit_file_process_dir(
Set * unit_path_cache,
Set *unit_path_cache,
const char *unit_path,
const char *name,
const char *suffix,
@ -174,6 +174,7 @@ int unit_file_process_dir(
char ***strv) {
_cleanup_free_ char *path = NULL;
int r;
assert(unit_path);
assert(name);
@ -184,22 +185,22 @@ int unit_file_process_dir(
return log_oom();
if (!unit_path_cache || set_get(unit_path_cache, path))
iterate_dir(path, dependency, consumer, arg, strv);
(void) iterate_dir(path, dependency, consumer, arg, strv);
if (unit_name_is_instance(name)) {
if (unit_name_is_valid(name, UNIT_NAME_INSTANCE)) {
_cleanup_free_ char *template = NULL, *p = NULL;
/* Also try the template dir */
template = unit_name_template(name);
if (!template)
return log_oom();
r = unit_name_template(name, &template);
if (r < 0)
return log_error_errno(r, "Failed to generate template from unit name: %m");
p = strjoin(unit_path, "/", template, suffix, NULL);
if (!p)
return log_oom();
if (!unit_path_cache || set_get(unit_path_cache, p))
iterate_dir(p, dependency, consumer, arg, strv);
(void) iterate_dir(p, dependency, consumer, arg, strv);
}
return 0;

18
src/shared/generator.c
View File

@ -37,6 +37,8 @@ int generator_write_fsck_deps(
const char *where,
const char *fstype) {
int r;
assert(f);
assert(dir);
assert(what);
@ -48,7 +50,6 @@ int generator_write_fsck_deps(
}
if (!isempty(fstype) && !streq(fstype, "auto")) {
int r;
r = fsck_exists(fstype);
if (r == -ENOENT) {
/* treat missing check as essentially OK */
@ -70,9 +71,9 @@ int generator_write_fsck_deps(
} else {
_cleanup_free_ char *fsck = NULL;
fsck = unit_name_from_path_instance("systemd-fsck", what, ".service");
if (!fsck)
return log_oom();
r = unit_name_from_path_instance("systemd-fsck", what, ".service", &fsck);
if (r < 0)
return log_error_errno(r, "Failed to create fsck service name: %m");
fprintf(f,
"RequiresOverridable=%1$s\n"
@ -106,8 +107,7 @@ int generator_write_timeouts(
r = parse_sec(timeout, &u);
if (r < 0) {
log_warning("Failed to parse timeout for %s, ignoring: %s",
where, timeout);
log_warning("Failed to parse timeout for %s, ignoring: %s", where, timeout);
return 0;
}
@ -115,9 +115,9 @@ int generator_write_timeouts(
if (!node)
return log_oom();
unit = unit_name_from_path(node, ".device");
if (!unit)
return log_oom();
r = unit_name_from_path(node, ".device", &unit);
if (r < 0)
return log_error_errno(r, "Failed to make unit name from path: %m");
return write_drop_in_format(dir, unit, 50, "device-timeout",
"# Automatically generated by %s\n\n"

16
src/shared/install-printf.c
View File

@ -29,30 +29,18 @@
static int specifier_prefix_and_instance(char specifier, void *data, void *userdata, char **ret) {
InstallInfo *i = userdata;
char *n;
assert(i);
n = unit_name_to_prefix_and_instance(i->name);
if (!n)
return -ENOMEM;
*ret = n;
return 0;
return unit_name_to_prefix_and_instance(i->name, ret);
}
static int specifier_prefix(char specifier, void *data, void *userdata, char **ret) {
InstallInfo *i = userdata;
char *n;
assert(i);
n = unit_name_to_prefix(i->name);
if (!n)
return -ENOMEM;
*ret = n;
return 0;
return unit_name_to_prefix(i->name, ret);
}
static int specifier_instance(char specifier, void *data, void *userdata, char **ret) {

59
src/shared/install.c
View File

@ -258,10 +258,10 @@ static int remove_marked_symlinks_fd(
int q;
bool found;
if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
if (!unit_name_is_valid(de->d_name, UNIT_NAME_ANY))
continue;
if (unit_name_is_instance(de->d_name) &&
if (unit_name_is_valid(de->d_name, UNIT_NAME_INSTANCE) &&
instance_whitelist &&
!strv_contains(instance_whitelist, de->d_name)) {
@ -272,9 +272,9 @@ static int remove_marked_symlinks_fd(
* the template of it might be
* listed. */
w = unit_name_template(de->d_name);
if (!w)
return -ENOMEM;
r = unit_name_template(de->d_name, &w);
if (r < 0)
return r;
if (!strv_contains(instance_whitelist, w))
continue;
@ -583,7 +583,7 @@ int unit_file_mask(
STRV_FOREACH(i, files) {
_cleanup_free_ char *path = NULL;
if (!unit_name_is_valid(*i, TEMPLATE_VALID)) {
if (!unit_name_is_valid(*i, UNIT_NAME_ANY)) {
if (r == 0)
r = -EINVAL;
continue;
@ -646,7 +646,7 @@ int unit_file_unmask(
STRV_FOREACH(i, files) {
_cleanup_free_ char *path = NULL;
if (!unit_name_is_valid(*i, TEMPLATE_VALID)) {
if (!unit_name_is_valid(*i, UNIT_NAME_ANY)) {
if (r == 0)
r = -EINVAL;
continue;
@ -717,7 +717,7 @@ int unit_file_link(
fn = basename(*i);
if (!path_is_absolute(*i) ||
!unit_name_is_valid(fn, TEMPLATE_VALID)) {
!unit_name_is_valid(fn, UNIT_NAME_ANY)) {
if (r == 0)
r = -EINVAL;
continue;
@ -856,7 +856,7 @@ static int install_info_add(
if (!name)
name = basename(path);
if (!unit_name_is_valid(name, TEMPLATE_VALID))
if (!unit_name_is_valid(name, UNIT_NAME_ANY))
return -EINVAL;
if (ordered_hashmap_get(c->have_installed, name) ||
@ -1118,7 +1118,7 @@ static int unit_file_search(
return r;
}
if (unit_name_is_instance(info->name)) {
if (unit_name_is_valid(info->name, UNIT_NAME_INSTANCE)) {
/* Unit file doesn't exist, however instance
* enablement was requested. We will check if it is
@ -1126,9 +1126,9 @@ static int unit_file_search(
_cleanup_free_ char *template = NULL;
template = unit_name_template(info->name);
if (!template)
return -ENOMEM;
r = unit_name_template(info->name, &template);
if (r < 0)
return r;
STRV_FOREACH(p, paths->unit_path) {
_cleanup_free_ char *path = NULL;
@ -1274,7 +1274,7 @@ static int install_info_symlink_wants(
assert(i);
assert(config_path);
if (unit_name_is_template(i->name)) {
if (unit_name_is_valid(i->name, UNIT_NAME_TEMPLATE)) {
/* Don't install any symlink if there's no default
* instance configured */
@ -1282,9 +1282,9 @@ static int install_info_symlink_wants(
if (!i->default_instance)
return 0;
buf = unit_name_replace_instance(i->name, i->default_instance);
if (!buf)
return -ENOMEM;
r = unit_name_replace_instance(i->name, i->default_instance, &buf);
if (r < 0)
return r;
n = buf;
} else
@ -1297,7 +1297,7 @@ static int install_info_symlink_wants(
if (q < 0)
return q;
if (!unit_name_is_valid(dst, TEMPLATE_VALID)) {
if (!unit_name_is_valid(dst, UNIT_NAME_ANY)) {
r = -EINVAL;
continue;
}
@ -1462,13 +1462,13 @@ static int install_context_mark_for_removal(
} else if (r >= 0)
r += q;
if (unit_name_is_instance(i->name)) {
if (unit_name_is_valid(i->name, UNIT_NAME_INSTANCE)) {
char *unit_file;
if (i->path) {
unit_file = basename(i->path);
if (unit_name_is_instance(unit_file))
if (unit_name_is_valid(unit_file, UNIT_NAME_INSTANCE))
/* unit file named as instance exists, thus all symlinks
* pointing to it will be removed */
q = mark_symlink_for_removal(remove_symlinks_to, i->name);
@ -1480,9 +1480,9 @@ static int install_context_mark_for_removal(
/* If i->path is not set, it means that we didn't actually find
* the unit file. But we can still remove symlinks to the
* nonexistent template. */
unit_file = unit_name_template(i->name);
if (!unit_file)
return log_oom();
r = unit_name_template(i->name, &unit_file);
if (r < 0)
return r;
q = mark_symlink_for_removal(remove_symlinks_to, unit_file);
free(unit_file);
@ -1797,7 +1797,7 @@ UnitFileState unit_file_lookup_state(
assert(paths);
if (!unit_name_is_valid(name, TEMPLATE_VALID))
if (!unit_name_is_valid(name, UNIT_NAME_ANY))
return -EINVAL;
STRV_FOREACH(i, paths->unit_path) {
@ -1824,7 +1824,7 @@ UnitFileState unit_file_lookup_state(
if (errno != ENOENT)
return r;
if (!unit_name_is_instance(name))
if (!unit_name_is_valid(name, UNIT_NAME_INSTANCE))
continue;
} else {
if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode))
@ -1834,8 +1834,7 @@ UnitFileState unit_file_lookup_state(
if (r < 0 && r != -ENOENT)
return r;
else if (r > 0) {
state = path_startswith(*i, "/run") ?
UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
state = path_startswith(*i, "/run") ? UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
return state;
}
}
@ -1995,7 +1994,7 @@ int unit_file_preset(
STRV_FOREACH(i, files) {
if (!unit_name_is_valid(*i, TEMPLATE_VALID))
if (!unit_name_is_valid(*i, UNIT_NAME_ANY))
return -EINVAL;
r = unit_file_query_preset(scope, root_dir, *i);
@ -2091,7 +2090,7 @@ int unit_file_preset_all(
if (hidden_file(de->d_name))
continue;
if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
if (!unit_name_is_valid(de->d_name, UNIT_NAME_ANY))
continue;
dirent_ensure_type(d, de);
@ -2203,7 +2202,7 @@ int unit_file_get_list(
if (hidden_file(de->d_name))
continue;
if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
if (!unit_name_is_valid(de->d_name, UNIT_NAME_ANY))
continue;
if (hashmap_get(h, de->d_name))

636
src/shared/unit-name.c
View File

@ -33,45 +33,13 @@
DIGITS LETTERS \
":-_.\\"
static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
[UNIT_SERVICE] = "service",
[UNIT_SOCKET] = "socket",
[UNIT_BUSNAME] = "busname",
[UNIT_TARGET] = "target",
[UNIT_SNAPSHOT] = "snapshot",
[UNIT_DEVICE] = "device",
[UNIT_MOUNT] = "mount",
[UNIT_AUTOMOUNT] = "automount",
[UNIT_SWAP] = "swap",
[UNIT_TIMER] = "timer",
[UNIT_PATH] = "path",
[UNIT_SLICE] = "slice",
[UNIT_SCOPE] = "scope"
};
DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);
static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
[UNIT_STUB] = "stub",
[UNIT_LOADED] = "loaded",
[UNIT_NOT_FOUND] = "not-found",
[UNIT_ERROR] = "error",
[UNIT_MERGED] = "merged",
[UNIT_MASKED] = "masked"
};
DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState);
bool unit_name_is_valid(const char *n, enum template_valid template_ok) {
bool unit_name_is_valid(const char *n, UnitNameFlags flags) {
const char *e, *i, *at;
/* Valid formats:
*
* string@instance.suffix
* string.suffix
*/
assert((flags & ~(UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE)) == 0);
assert(IN_SET(template_ok, TEMPLATE_VALID, TEMPLATE_INVALID));
if (_unlikely_(flags == 0))
return false;
if (isempty(n))
return false;
@ -95,15 +63,32 @@ bool unit_name_is_valid(const char *n, enum template_valid template_ok) {
return false;
}
if (at) {
if (at == n)
return false;
if (at == n)
return false;
if (template_ok != TEMPLATE_VALID && at+1 == e)
return false;
}
if (flags & UNIT_NAME_PLAIN)
if (!at)
return true;
return true;
if (flags & UNIT_NAME_INSTANCE)
if (at && e > at + 1)
return true;
if (flags & UNIT_NAME_TEMPLATE)
if (at && e == at + 1)
return true;
return false;
}
bool unit_prefix_is_valid(const char *p) {
/* We don't allow additional @ in the prefix string */
if (isempty(p))
return false;
return in_charset(p, VALID_CHARS);
}
bool unit_instance_is_valid(const char *i) {
@ -120,14 +105,41 @@ bool unit_instance_is_valid(const char *i) {
return in_charset(i, "@" VALID_CHARS);
}
bool unit_prefix_is_valid(const char *p) {
/* We don't allow additional @ in the instance string */
if (isempty(p))
bool unit_suffix_is_valid(const char *s) {
if (isempty(s))
return false;
return in_charset(p, VALID_CHARS);
if (s[0] != '.')
return false;
if (unit_type_from_string(s + 1) < 0)
return false;
return true;
}
int unit_name_to_prefix(const char *n, char **ret) {
const char *p;
char *s;
assert(n);
assert(ret);
if (!unit_name_is_valid(n, UNIT_NAME_ANY))
return -EINVAL;
p = strchr(n, '@');
if (!p)
p = strrchr(n, '.');
assert_se(p);
s = strndup(n, p - n);
if (!s)
return -ENOMEM;
*ret = s;
return 0;
}
int unit_name_to_instance(const char *n, char **instance) {
@ -137,6 +149,9 @@ int unit_name_to_instance(const char *n, char **instance) {
assert(n);
assert(instance);
if (!unit_name_is_valid(n, UNIT_NAME_ANY))
return -EINVAL;
/* Everything past the first @ and before the last . is the instance */
p = strchr(n, '@');
if (!p) {
@ -144,13 +159,13 @@ int unit_name_to_instance(const char *n, char **instance) {
return 0;
}
d = strrchr(n, '.');
p++;
d = strrchr(p, '.');
if (!d)
return -EINVAL;
if (d < p)
return -EINVAL;
i = strndup(p+1, d-p-1);
i = strndup(p, d-p);
if (!i)
return -ENOMEM;
@ -158,55 +173,95 @@ int unit_name_to_instance(const char *n, char **instance) {
return 1;
}
char *unit_name_to_prefix_and_instance(const char *n) {
int unit_name_to_prefix_and_instance(const char *n, char **ret) {
const char *d;
char *s;
assert(n);
assert(ret);
if (!unit_name_is_valid(n, UNIT_NAME_ANY))
return -EINVAL;
d = strrchr(n, '.');
if (!d)
return -EINVAL;
s = strndup(n, d - n);
if (!s)
return -ENOMEM;
*ret = s;
return 0;
}
UnitType unit_name_to_type(const char *n) {
const char *e;
assert(n);
assert_se(d = strrchr(n, '.'));
return strndup(n, d - n);
if (!unit_name_is_valid(n, UNIT_NAME_ANY))
return _UNIT_TYPE_INVALID;
assert_se(e = strrchr(n, '.'));
return unit_type_from_string(e + 1);
}
char *unit_name_to_prefix(const char *n) {
const char *p;
assert(n);
p = strchr(n, '@');
if (p)
return strndup(n, p - n);
return unit_name_to_prefix_and_instance(n);
}
char *unit_name_change_suffix(const char *n, const char *suffix) {
char *e, *r;
int unit_name_change_suffix(const char *n, const char *suffix, char **ret) {
char *e, *s;
size_t a, b;
assert(n);
assert(suffix);
assert(suffix[0] == '.');
assert(ret);
if (!unit_name_is_valid(n, UNIT_NAME_ANY))
return -EINVAL;
if (!unit_suffix_is_valid(suffix))
return -EINVAL;
assert_se(e = strrchr(n, '.'));
a = e - n;
b = strlen(suffix);
r = new(char, a + b + 1);
if (!r)
return NULL;
s = new(char, a + b + 1);
if (!s)
return -ENOMEM;
strcpy(mempcpy(r, n, a), suffix);
return r;
strcpy(mempcpy(s, n, a), suffix);
*ret = s;
return 0;
}
char *unit_name_build(const char *prefix, const char *instance, const char *suffix) {
int unit_name_build(const char *prefix, const char *instance, const char *suffix, char **ret) {
char *s;
assert(prefix);
assert(suffix);
assert(ret);
if (!unit_prefix_is_valid(prefix))
return -EINVAL;
if (instance && !unit_instance_is_valid(instance))
return -EINVAL;
if (!unit_suffix_is_valid(suffix))
return -EINVAL;
if (!instance)
return strappend(prefix, suffix);
s = strappend(prefix, suffix);
else
s = strjoin(prefix, "@", instance, suffix, NULL);
if (!s)
return -ENOMEM;
return strjoin(prefix, "@", instance, suffix, NULL);
*ret = s;
return 0;
}
static char *do_escape_char(char c, char *t) {
@ -242,30 +297,6 @@ static char *do_escape(const char *f, char *t) {
return t;
}
static char *do_escape_mangle(const char *f, enum unit_name_mangle allow_globs, char *t) {
const char *valid_chars;
assert(f);
assert(IN_SET(allow_globs, MANGLE_GLOB, MANGLE_NOGLOB));
assert(t);
/* We'll only escape the obvious characters here, to play
* safe. */
valid_chars = allow_globs == MANGLE_GLOB ? "@" VALID_CHARS "[]!-*?" : "@" VALID_CHARS;
for (; *f; f++) {
if (*f == '/')
*(t++) = '-';
else if (!strchr(valid_chars, *f))
t = do_escape_char(*f, t);
else
*(t++) = *f;
}
return t;
}
char *unit_name_escape(const char *f) {
char *r, *t;
@ -281,14 +312,15 @@ char *unit_name_escape(const char *f) {
return r;
}
char *unit_name_unescape(const char *f) {
char *r, *t;
int unit_name_unescape(const char *f, char **ret) {
_cleanup_free_ char *r = NULL;
char *t;
assert(f);
r = strdup(f);
if (!r)
return NULL;
return -ENOMEM;
for (t = r; *f; f++) {
if (*f == '-')
@ -296,180 +328,228 @@ char *unit_name_unescape(const char *f) {
else if (*f == '\\') {
int a, b;
if (f[1] != 'x' ||
(a = unhexchar(f[2])) < 0 ||
(b = unhexchar(f[3])) < 0) {
/* Invalid escape code, let's take it literal then */
*(t++) = '\\';
} else {
*(t++) = (char) ((a << 4) | b);
f += 3;
}
if (f[1] != 'x')
return -EINVAL;
a = unhexchar(f[2]);
if (a < 0)
return -EINVAL;
b = unhexchar(f[3]);
if (b < 0)
return -EINVAL;
*(t++) = (char) ((a << 4) | b);
f += 3;
} else
*(t++) = *f;
}
*t = 0;
return r;
*ret = r;
r = NULL;
return 0;
}
char *unit_name_path_escape(const char *f) {
_cleanup_free_ char *p = NULL;
int unit_name_path_escape(const char *f, char **ret) {
char *p, *s;
assert(f);
assert(ret);
p = strdup(f);
p = strdupa(f);
if (!p)
return NULL;
return -ENOMEM;
path_kill_slashes(p);
if (STR_IN_SET(p, "/", ""))
return strdup("-");
s = strdup("-");
else {
char *e;
return unit_name_escape(p[0] == '/' ? p + 1 : p);
if (!path_is_safe(p))
return -EINVAL;
/* Truncate trailing slashes */
e = endswith(p, "/");
if (e)
*e = 0;
/* Truncate leading slashes */
if (p[0] == '/')
p++;
s = unit_name_escape(p);
}
if (!s)
return -ENOMEM;
*ret = s;
return 0;
}
char *unit_name_path_unescape(const char *f) {
char *e, *w;
int unit_name_path_unescape(const char *f, char **ret) {
char *s, *w;
int r;
assert(f);
e = unit_name_unescape(f);
if (!e)
return NULL;
if (streq(f, "-")) {
s = strdup("/");
if (!s)
return -ENOMEM;
if (e[0] != '/') {
w = strappend("/", e);
free(e);
return w;
*ret = s;
return 0;
}
return e;
r = unit_name_unescape(f, &s);
if (r < 0)
return r;
/* Don't accept trailing or leading slashes */
if (startswith(s, "/") || endswith(s, "/")) {
free(s);
return -EINVAL;
}
/* Prefix a slash again */
w = strappend("/", s);
free(s);
if (!w)
return -ENOMEM;
if (!path_is_safe(w)) {
free(w);
return -EINVAL;
}
*ret = w;
return 0;
}
bool unit_name_is_template(const char *n) {
int unit_name_replace_instance(const char *f, const char *i, char **ret) {
const char *p, *e;
assert(n);
p = strchr(n, '@');
if (!p)
return false;
e = strrchr(p+1, '.');
if (!e)
return false;
return e == p + 1;
}
bool unit_name_is_instance(const char *n) {
const char *p, *e;
assert(n);
p = strchr(n, '@');
if (!p)
return false;
e = strrchr(p+1, '.');
if (!e)
return false;
return e > p + 1;
}
char *unit_name_replace_instance(const char *f, const char *i) {
const char *p, *e;
char *r;
char *s;
size_t a, b;
assert(f);
assert(i);
assert(ret);
p = strchr(f, '@');
if (!p)
return strdup(f);
if (!unit_name_is_valid(f, UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE))
return -EINVAL;
if (!unit_instance_is_valid(i))
return -EINVAL;
e = strrchr(f, '.');
if (!e)
e = strchr(f, 0);
assert_se(p = strchr(f, '@'));
assert_se(e = strrchr(f, '.'));
a = p - f;
b = strlen(i);
r = new(char, a + 1 + b + strlen(e) + 1);
if (!r)
return NULL;
s = new(char, a + 1 + b + strlen(e) + 1);
if (!s)
return -ENOMEM;
strcpy(mempcpy(mempcpy(r, f, a + 1), i, b), e);
return r;
strcpy(mempcpy(mempcpy(s, f, a + 1), i, b), e);
*ret = s;
return 0;
}
char *unit_name_template(const char *f) {
int unit_name_template(const char *f, char **ret) {
const char *p, *e;
char *r;
char *s;
size_t a;
assert(f);
assert(ret);
p = strchr(f, '@');
if (!p)
return strdup(f);
if (!unit_name_is_valid(f, UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE))
return -EINVAL;
e = strrchr(f, '.');
if (!e)
e = strchr(f, 0);
assert_se(p = strchr(f, '@'));
assert_se(e = strrchr(f, '.'));
a = p - f;
r = new(char, a + 1 + strlen(e) + 1);
if (!r)
return NULL;
s = new(char, a + 1 + strlen(e) + 1);
if (!s)
return -ENOMEM;
strcpy(mempcpy(r, f, a + 1), e);
return r;
strcpy(mempcpy(s, f, a + 1), e);
*ret = s;
return 0;
}
char *unit_name_from_path(const char *path, const char *suffix) {
int unit_name_from_path(const char *path, const char *suffix, char **ret) {
_cleanup_free_ char *p = NULL;
char *s = NULL;
int r;
assert(path);
assert(suffix);
assert(ret);
p = unit_name_path_escape(path);
if (!p)
return NULL;
if (!unit_suffix_is_valid(suffix))
return -EINVAL;
return strappend(p, suffix);
r = unit_name_path_escape(path, &p);
if (r < 0)
return r;
s = strappend(p, suffix);
if (!s)
return -ENOMEM;
*ret = s;
return 0;
}
char *unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix) {
int unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix, char **ret) {
_cleanup_free_ char *p = NULL;
char *s;
int r;
assert(prefix);
assert(path);
assert(suffix);
assert(ret);
p = unit_name_path_escape(path);
if (!p)
return NULL;
if (!unit_prefix_is_valid(prefix))
return -EINVAL;
return strjoin(prefix, "@", p, suffix, NULL);
if (!unit_suffix_is_valid(suffix))
return -EINVAL;
r = unit_name_path_escape(path, &p);
if (r < 0)
return r;
s = strjoin(prefix, "@", p, suffix, NULL);
if (!s)
return -ENOMEM;
*ret = s;
return 0;
}
char *unit_name_to_path(const char *name) {
_cleanup_free_ char *w = NULL;
int unit_name_to_path(const char *name, char **ret) {
_cleanup_free_ char *prefix = NULL;
int r;
assert(name);
w = unit_name_to_prefix(name);
if (!w)
return NULL;
r = unit_name_to_prefix(name, &prefix);
if (r < 0)
return r;
return unit_name_path_unescape(w);
return unit_name_path_unescape(prefix, ret);
}
char *unit_dbus_path_from_name(const char *name) {
@ -500,6 +580,30 @@ int unit_name_from_dbus_path(const char *path, char **name) {
return 0;
}
static char *do_escape_mangle(const char *f, UnitNameMangle allow_globs, char *t) {
const char *valid_chars;
assert(f);
assert(IN_SET(allow_globs, UNIT_NAME_GLOB, UNIT_NAME_NOGLOB));
assert(t);
/* We'll only escape the obvious characters here, to play
* safe. */
valid_chars = allow_globs == UNIT_NAME_GLOB ? "@" VALID_CHARS "[]!-*?" : "@" VALID_CHARS;
for (; *f; f++) {
if (*f == '/')
*(t++) = '-';
else if (!strchr(valid_chars, *f))
t = do_escape_char(*f, t);
else
*(t++) = *f;
}
return t;
}
/**
* Convert a string to a unit name. /dev/blah is converted to dev-blah.device,
* /blah/blah is converted to blah-blah.mount, anything else is left alone,
@ -507,54 +611,75 @@ int unit_name_from_dbus_path(const char *path, char **name) {
*
* If @allow_globs, globs characters are preserved. Otherwise they are escaped.
*/
char *unit_name_mangle_with_suffix(const char *name, enum unit_name_mangle allow_globs, const char *suffix) {
char *r, *t;
int unit_name_mangle_with_suffix(const char *name, UnitNameMangle allow_globs, const char *suffix, char **ret) {
char *s, *t;
int r;
assert(name);
assert(suffix);
assert(suffix[0] == '.');
assert(ret);
if (is_device_path(name))
return unit_name_from_path(name, ".device");
if (isempty(name)) /* We cannot mangle empty unit names to become valid, sorry. */
return -EINVAL;
if (path_is_absolute(name))
return unit_name_from_path(name, ".mount");
if (!unit_suffix_is_valid(suffix))
return -EINVAL;
r = new(char, strlen(name) * 4 + strlen(suffix) + 1);
if (!r)
return NULL;
if (unit_name_is_valid(name, UNIT_NAME_ANY)) {
/* No mangling necessary... */
s = strdup(name);
if (!s)
return -ENOMEM;
t = do_escape_mangle(name, allow_globs, r);
*ret = s;
return 0;
}
if (unit_name_to_type(name) < 0)
if (is_device_path(name)) {
r = unit_name_from_path(name, ".device", ret);
if (r >= 0)
return 1;
if (r != -EINVAL)
return r;
}
if (path_is_absolute(name)) {
r = unit_name_from_path(name, ".mount", ret);
if (r >= 0)
return 1;
if (r != -EINVAL)
return r;
}
s = new(char, strlen(name) * 4 + strlen(suffix) + 1);
if (!s)
return -ENOMEM;
t = do_escape_mangle(name, allow_globs, s);
*t = 0;
if (unit_name_to_type(s) < 0)
strcpy(t, suffix);
else
*t = 0;
return r;
*ret = s;
return 1;
}
UnitType unit_name_to_type(const char *n) {
const char *e;
assert(n);
e = strrchr(n, '.');
if (!e)
return _UNIT_TYPE_INVALID;
return unit_type_from_string(e + 1);
}
int build_subslice(const char *slice, const char*name, char **subslice) {
char *ret;
int slice_build_subslice(const char *slice, const char*name, char **ret) {
char *subslice;
assert(slice);
assert(name);
assert(subslice);
assert(ret);
if (!unit_name_is_valid(slice, UNIT_NAME_PLAIN))
return -EINVAL;
if (!unit_prefix_is_valid(name))
return -EINVAL;
if (streq(slice, "-.slice"))
ret = strappend(name, ".slice");
subslice = strappend(name, ".slice");
else {
char *e;
@ -562,17 +687,46 @@ int build_subslice(const char *slice, const char*name, char **subslice) {
if (!e)
return -EINVAL;
ret = new(char, (e - slice) + 1 + strlen(name) + 6 + 1);
if (!ret)
subslice = new(char, (e - slice) + 1 + strlen(name) + 6 + 1);
if (!subslice)
return -ENOMEM;
stpcpy(stpcpy(stpcpy(mempcpy(ret, slice, e - slice), "-"), name), ".slice");
stpcpy(stpcpy(stpcpy(mempcpy(subslice, slice, e - slice), "-"), name), ".slice");
}
*subslice = ret;
*ret = subslice;
return 0;
}
static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
[UNIT_SERVICE] = "service",
[UNIT_SOCKET] = "socket",
[UNIT_BUSNAME] = "busname",
[UNIT_TARGET] = "target",
[UNIT_SNAPSHOT] = "snapshot",
[UNIT_DEVICE] = "device",
[UNIT_MOUNT] = "mount",
[UNIT_AUTOMOUNT] = "automount",
[UNIT_SWAP] = "swap",
[UNIT_TIMER] = "timer",
[UNIT_PATH] = "path",
[UNIT_SLICE] = "slice",
[UNIT_SCOPE] = "scope"
};
DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);
static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
[UNIT_STUB] = "stub",
[UNIT_LOADED] = "loaded",
[UNIT_NOT_FOUND] = "not-found",
[UNIT_ERROR] = "error",
[UNIT_MERGED] = "merged",
[UNIT_MASKED] = "masked"
};
DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState);
static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = {
[UNIT_REQUIRES] = "Requires",
[UNIT_REQUIRES_OVERRIDABLE] = "RequiresOverridable",

106
src/shared/unit-name.h
View File

@ -107,61 +107,67 @@ enum UnitDependency {
_UNIT_DEPENDENCY_INVALID = -1
};
typedef enum UnitNameFlags {
UNIT_NAME_PLAIN = 1, /* Allow foo.service */
UNIT_NAME_INSTANCE = 2, /* Allow foo@bar.service */
UNIT_NAME_TEMPLATE = 4, /* Allow foo@.service */
UNIT_NAME_ANY = UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE,
} UnitNameFlags;
bool unit_name_is_valid(const char *n, UnitNameFlags flags) _pure_;
bool unit_prefix_is_valid(const char *p) _pure_;
bool unit_instance_is_valid(const char *i) _pure_;
bool unit_suffix_is_valid(const char *s) _pure_;
static inline int unit_prefix_and_instance_is_valid(const char *p) {
/* For prefix+instance and instance the same rules apply */
return unit_instance_is_valid(p);
}
int unit_name_to_prefix(const char *n, char **prefix);
int unit_name_to_instance(const char *n, char **instance);
int unit_name_to_prefix_and_instance(const char *n, char **ret);
UnitType unit_name_to_type(const char *n) _pure_;
int unit_name_change_suffix(const char *n, const char *suffix, char **ret);
int unit_name_build(const char *prefix, const char *instance, const char *suffix, char **ret);
char *unit_name_escape(const char *f);
int unit_name_unescape(const char *f, char **ret);
int unit_name_path_escape(const char *f, char **ret);
int unit_name_path_unescape(const char *f, char **ret);
int unit_name_replace_instance(const char *f, const char *i, char **ret);
int unit_name_template(const char *f, char **ret);
int unit_name_from_path(const char *path, const char *suffix, char **ret);
int unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix, char **ret);
int unit_name_to_path(const char *name, char **ret);
char *unit_dbus_path_from_name(const char *name);
int unit_name_from_dbus_path(const char *path, char **name);
typedef enum UnitNameMangle {
UNIT_NAME_NOGLOB,
UNIT_NAME_GLOB,
} UnitNameMangle;
int unit_name_mangle_with_suffix(const char *name, UnitNameMangle allow_globs, const char *suffix, char **ret);
static inline int unit_name_mangle(const char *name, UnitNameMangle allow_globs, char **ret) {
return unit_name_mangle_with_suffix(name, allow_globs, ".service", ret);
}
int slice_build_subslice(const char *slice, const char*name, char **subslice);
const char *unit_type_to_string(UnitType i) _const_;
UnitType unit_type_from_string(const char *s) _pure_;
const char *unit_load_state_to_string(UnitLoadState i) _const_;
UnitLoadState unit_load_state_from_string(const char *s) _pure_;
int unit_name_to_instance(const char *n, char **instance);
char* unit_name_to_prefix(const char *n);
char* unit_name_to_prefix_and_instance(const char *n);
enum template_valid {
TEMPLATE_INVALID,
TEMPLATE_VALID,
};
bool unit_name_is_valid(const char *n, enum template_valid template_ok) _pure_;
bool unit_prefix_is_valid(const char *p) _pure_;
bool unit_instance_is_valid(const char *i) _pure_;
UnitType unit_name_to_type(const char *n) _pure_;
char *unit_name_change_suffix(const char *n, const char *suffix);
char *unit_name_build(const char *prefix, const char *instance, const char *suffix);
char *unit_name_escape(const char *f);
char *unit_name_unescape(const char *f);
char *unit_name_path_escape(const char *f);
char *unit_name_path_unescape(const char *f);
bool unit_name_is_template(const char *n) _pure_;
bool unit_name_is_instance(const char *n) _pure_;
char *unit_name_replace_instance(const char *f, const char *i);
char *unit_name_template(const char *f);
char *unit_name_from_path(const char *path, const char *suffix);
char *unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix);
char *unit_name_to_path(const char *name);
char *unit_dbus_path_from_name(const char *name);
int unit_name_from_dbus_path(const char *path, char **name);
enum unit_name_mangle {
MANGLE_NOGLOB,
MANGLE_GLOB,
};
char *unit_name_mangle_with_suffix(const char *name, enum unit_name_mangle allow_globs, const char *suffix);
static inline char *unit_name_mangle(const char *name, enum unit_name_mangle allow_globs) {
return unit_name_mangle_with_suffix(name, allow_globs, ".service");
}
int build_subslice(const char *slice, const char*name, char **subslice);
const char *unit_dependency_to_string(UnitDependency i) _const_;
UnitDependency unit_dependency_from_string(const char *s) _pure_;

100
src/systemctl/systemctl.c
View File

@ -1636,13 +1636,15 @@ static int list_dependencies(sd_bus *bus, char **args) {
_cleanup_strv_free_ char **units = NULL;
_cleanup_free_ char *unit = NULL;
const char *u;
int r;
assert(bus);
if (args[1]) {
unit = unit_name_mangle(args[1], MANGLE_NOGLOB);
if (!unit)
return log_oom();
r = unit_name_mangle(args[1], UNIT_NAME_NOGLOB, &unit);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
u = unit;
} else
u = SPECIAL_DEFAULT_TARGET;
@ -1938,9 +1940,9 @@ static int set_default(sd_bus *bus, char **args) {
unsigned n_changes = 0;
int r;
unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
if (!unit)
return log_oom();
r = unit_name_mangle_with_suffix(args[1], UNIT_NAME_NOGLOB, ".target", &unit);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
if (!bus || avoid_bus()) {
r = unit_file_set_default(arg_scope, arg_root, unit, true, &changes, &n_changes);
@ -2257,7 +2259,7 @@ static int unit_find_paths(
assert(fragment_path);
assert(lp);
if (!avoid_bus_cache && !unit_name_is_template(unit_name)) {
if (!avoid_bus_cache && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *unit_load_error = NULL;
_cleanup_free_ char *unit = NULL;
@ -2323,24 +2325,23 @@ static int unit_find_paths(
names = set_new(NULL);
if (!names)
return -ENOMEM;
return log_oom();
r = set_put(names, unit_name);
if (r < 0)
return r;
return log_error_errno(r, "Failed to add unit name: %m");
r = unit_file_find_path(lp, unit_name, &path);
if (r < 0)
return r;
if (r == 0) {
_cleanup_free_ char *template;
_cleanup_free_ char *template = NULL;
template = unit_name_template(unit_name);
if (!template)
return log_oom();
if (!streq(template, unit_name)) {
r = unit_name_template(unit_name, &template);
if (r != -EINVAL)
return log_error_errno(r, "Failed to determine template name: %m");
if (r >= 0) {
r = unit_file_find_path(lp, template, &path);
if (r < 0)
return r;
@ -2382,9 +2383,9 @@ static int check_one_unit(sd_bus *bus, const char *name, const char *good_states
assert(name);
n = unit_name_mangle(name, MANGLE_NOGLOB);
if (!n)
return log_oom();
r = unit_name_mangle(name, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
/* We don't use unit_dbus_path_from_name() directly since we
* don't want to load the unit if it isn't loaded. */
@ -2439,9 +2440,9 @@ static int check_triggering_units(
char **i;
int r;
n = unit_name_mangle(name, MANGLE_NOGLOB);
if (!n)
return log_oom();
r = unit_name_mangle(name, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
path = unit_dbus_path_from_name(n);
if (!path)
@ -2595,17 +2596,17 @@ static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***r
_cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
char **name;
int r = 0, i;
int r, i;
STRV_FOREACH(name, names) {
char *t;
if (suffix)
t = unit_name_mangle_with_suffix(*name, MANGLE_GLOB, suffix);
r = unit_name_mangle_with_suffix(*name, UNIT_NAME_GLOB, suffix, &t);
else
t = unit_name_mangle(*name, MANGLE_GLOB);
if (!t)
return log_oom();
r = unit_name_mangle(*name, UNIT_NAME_GLOB, &t);
if (r < 0)
return log_error_errno(r, "Failed to mangle name: %m");
if (string_is_glob(t))
r = strv_consume(&globs, t);
@ -4673,9 +4674,9 @@ static int set_property(sd_bus *bus, char **args) {
if (r < 0)
return bus_log_create_error(r);
n = unit_name_mangle(args[1], MANGLE_NOGLOB);
if (!n)
return log_oom();
r = unit_name_mangle(args[1], UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
r = sd_bus_message_append(m, "sb", n, arg_runtime);
if (r < 0)
@ -4721,12 +4722,15 @@ static int snapshot(sd_bus *bus, char **args) {
polkit_agent_open_if_enabled();
if (strv_length(args) > 1)
n = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".snapshot");
else
if (strv_length(args) > 1) {
r = unit_name_mangle_with_suffix(args[1], UNIT_NAME_NOGLOB, ".snapshot", &n);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
} else {
n = strdup("");
if (!n)
return log_oom();
if (!n)
return log_oom();
}
r = sd_bus_call_method(
bus,
@ -5217,25 +5221,29 @@ static int enable_sysv_units(const char *verb, char **args) {
static int mangle_names(char **original_names, char ***mangled_names) {
char **i, **l, **name;
int r;
l = new(char*, strv_length(original_names) + 1);
l = i = new(char*, strv_length(original_names) + 1);
if (!l)
return log_oom();
i = l;
STRV_FOREACH(name, original_names) {
/* When enabling units qualified path names are OK,
* too, hence allow them explicitly. */
if (is_path(*name))
if (is_path(*name)) {
*i = strdup(*name);
else
*i = unit_name_mangle(*name, MANGLE_NOGLOB);
if (!*i) {
strv_free(l);
return log_oom();
if (!*i) {
strv_free(l);
return log_oom();
}
} else {
r = unit_name_mangle(*name, UNIT_NAME_NOGLOB, i);
if (r < 0) {
strv_free(l);
return log_error_errno(r, "Failed to mangle unit name: %m");
}
}
i++;
@ -5418,9 +5426,9 @@ static int add_dependency(sd_bus *bus, char **args) {
if (!args[1])
return 0;
target = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
if (!target)
return log_oom();
r = unit_name_mangle_with_suffix(args[1], UNIT_NAME_NOGLOB, ".target", &target);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
r = mangle_names(args+2, &names);
if (r < 0)

8
src/sysv-generator/sysv-generator.c
View File

@ -310,11 +310,13 @@ static int sysv_translate_facility(const char *name, const char *filename, char
* out whether something is a target or a service alias. */
if (*name == '$') {
if (!unit_prefix_is_valid(n))
return -EINVAL;
int k;
/* Facilities starting with $ are most likely targets */
r = unit_name_build(n, NULL, ".target");
k = unit_name_build(n, NULL, ".target", &r);
if (k < 0)
return k;
} else if (streq_ptr(n, filename))
/* Names equaling the file name of the services are redundant */
return 0;

302
src/test/test-unit-name.c
View File

@ -33,79 +33,156 @@
#include "specifier.h"
#include "util.h"
#include "macro.h"
#include "path-util.h"
#include "test-helper.h"
static void test_replacements(void) {
#define expect(pattern, repl, expected) \
{ \
_cleanup_free_ char *t = \
unit_name_replace_instance(pattern, repl); \
puts(t); \
assert_se(streq(t, expected)); \
}
static void test_unit_name_is_valid(void) {
assert_se(unit_name_is_valid("foo.service", UNIT_NAME_ANY));
assert_se(unit_name_is_valid("foo.service", UNIT_NAME_PLAIN));
assert_se(!unit_name_is_valid("foo.service", UNIT_NAME_INSTANCE));
assert_se(!unit_name_is_valid("foo.service", UNIT_NAME_TEMPLATE));
assert_se(!unit_name_is_valid("foo.service", UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE));
expect("foo@.service", "waldo", "foo@waldo.service");
expect("foo@xyz.service", "waldo", "foo@waldo.service");
expect("xyz", "waldo", "xyz");
expect("", "waldo", "");
expect("foo.service", "waldo", "foo.service");
expect(".service", "waldo", ".service");
expect("foo@", "waldo", "foo@waldo");
expect("@bar", "waldo", "@waldo");
assert_se(unit_name_is_valid("foo@bar.service", UNIT_NAME_ANY));
assert_se(!unit_name_is_valid("foo@bar.service", UNIT_NAME_PLAIN));
assert_se(unit_name_is_valid("foo@bar.service", UNIT_NAME_INSTANCE));
assert_se(!unit_name_is_valid("foo@bar.service", UNIT_NAME_TEMPLATE));
assert_se(unit_name_is_valid("foo@bar.service", UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE));
assert_se(unit_name_is_valid("foo@.service", UNIT_NAME_ANY));
assert_se(!unit_name_is_valid("foo@.service", UNIT_NAME_PLAIN));
assert_se(!unit_name_is_valid("foo@.service", UNIT_NAME_INSTANCE));
assert_se(unit_name_is_valid("foo@.service", UNIT_NAME_TEMPLATE));
assert_se(unit_name_is_valid("foo@.service", UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE));
assert_se(!unit_name_is_valid(".service", UNIT_NAME_ANY));
assert_se(!unit_name_is_valid("", UNIT_NAME_ANY));
assert_se(!unit_name_is_valid("foo.waldo", UNIT_NAME_ANY));
assert_se(!unit_name_is_valid("@.service", UNIT_NAME_ANY));
assert_se(!unit_name_is_valid("@piep.service", UNIT_NAME_ANY));
}
static void test_u_n_r_i_one(const char *pattern, const char *repl, const char *expected, int ret) {
_cleanup_free_ char *t = NULL;
assert_se(unit_name_replace_instance(pattern, repl, &t) == ret);
puts(strna(t));
assert_se(streq_ptr(t, expected));
}
static void test_u_n_r_i(void) {
puts("-------------------------------------------------");
#undef expect
#define expect(path, suffix, expected) \
{ \
_cleanup_free_ char *k, *t = \
unit_name_from_path(path, suffix); \
puts(t); \
k = unit_name_to_path(t); \
puts(k); \
assert_se(streq(k, expected ? expected : path)); \
test_u_n_r_i_one("foo@.service", "waldo", "foo@waldo.service", 0);
test_u_n_r_i_one("foo@xyz.service", "waldo", "foo@waldo.service", 0);
test_u_n_r_i_one("xyz", "waldo", NULL, -EINVAL);
test_u_n_r_i_one("", "waldo", NULL, -EINVAL);
test_u_n_r_i_one("foo.service", "waldo", NULL, -EINVAL);
test_u_n_r_i_one(".service", "waldo", NULL, -EINVAL);
test_u_n_r_i_one("foo@", "waldo", NULL, -EINVAL);
test_u_n_r_i_one("@bar", "waldo", NULL, -EINVAL);
}
static void test_u_n_f_p_one(const char *path, const char *suffix, const char *expected, int ret) {
_cleanup_free_ char *t = NULL;
assert_se(unit_name_from_path(path, suffix, &t) == ret);
puts(strna(t));
assert_se(streq_ptr(t, expected));
if (t) {
_cleanup_free_ char *k = NULL;
assert_se(unit_name_to_path(t, &k) == 0);
puts(strna(k));
assert_se(path_equal(k, isempty(path) ? "/" : path));
}
}
expect("/waldo", ".mount", NULL);
expect("/waldo/quuix", ".mount", NULL);
expect("/waldo/quuix/", ".mount", "/waldo/quuix");
expect("/", ".mount", NULL);
expect("///", ".mount", "/");
static void test_u_n_f_p(void) {
puts("-------------------------------------------------");
#undef expect
#define expect(pattern, path, suffix, expected) \
{ \
_cleanup_free_ char *t = \
unit_name_from_path_instance(pattern, path, suffix); \
puts(t); \
assert_se(streq(t, expected)); \
test_u_n_f_p_one("/waldo", ".mount", "waldo.mount", 0);
test_u_n_f_p_one("/waldo/quuix", ".mount", "waldo-quuix.mount", 0);
test_u_n_f_p_one("/waldo/quuix/", ".mount", "waldo-quuix.mount", 0);
test_u_n_f_p_one("", ".mount", "-.mount", 0);
test_u_n_f_p_one("/", ".mount", "-.mount", 0);
test_u_n_f_p_one("///", ".mount", "-.mount", 0);
test_u_n_f_p_one("/foo/../bar", ".mount", NULL, -EINVAL);
test_u_n_f_p_one("/foo/./bar", ".mount", NULL, -EINVAL);
}
static void test_u_n_f_p_i_one(const char *pattern, const char *path, const char *suffix, const char *expected, int ret) {
_cleanup_free_ char *t = NULL;
assert_se(unit_name_from_path_instance(pattern, path, suffix, &t) == ret);
puts(strna(t));
assert_se(streq_ptr(t, expected));
if (t) {
_cleanup_free_ char *k = NULL, *v = NULL;
assert_se(unit_name_to_instance(t, &k) > 0);
assert_se(unit_name_path_unescape(k, &v) == 0);
assert_se(path_equal(v, isempty(path) ? "/" : path));
}
}
expect("waldo", "/waldo", ".mount", "waldo@waldo.mount");
expect("waldo", "/waldo////quuix////", ".mount", "waldo@waldo-quuix.mount");
expect("waldo", "/", ".mount", "waldo@-.mount");
expect("wa--ldo", "/--", ".mount", "wa--ldo@\\x2d\\x2d.mount");
static void test_u_n_f_p_i(void) {
puts("-------------------------------------------------");
#undef expect
#define expect(pattern) \
{ \
_cleanup_free_ char *k, *t; \
assert_se(t = unit_name_mangle(pattern, MANGLE_NOGLOB)); \
assert_se(k = unit_name_mangle(t, MANGLE_NOGLOB)); \
puts(t); \
assert_se(streq(t, k)); \
test_u_n_f_p_i_one("waldo", "/waldo", ".mount", "waldo@waldo.mount", 0);
test_u_n_f_p_i_one("waldo", "/waldo////quuix////", ".mount", "waldo@waldo-quuix.mount", 0);
test_u_n_f_p_i_one("waldo", "/", ".mount", "waldo@-.mount", 0);
test_u_n_f_p_i_one("waldo", "", ".mount", "waldo@-.mount", 0);
test_u_n_f_p_i_one("waldo", "///", ".mount", "waldo@-.mount", 0);
test_u_n_f_p_i_one("waldo", "..", ".mount", NULL, -EINVAL);
test_u_n_f_p_i_one("waldo", "/foo", ".waldi", NULL, -EINVAL);
test_u_n_f_p_i_one("wa--ldo", "/--", ".mount", "wa--ldo@\\x2d\\x2d.mount", 0);
}
static void test_u_n_t_p_one(const char *unit, const char *path, int ret) {
_cleanup_free_ char *p = NULL;
assert_se(unit_name_to_path(unit, &p) == ret);
assert_se(streq_ptr(path, p));
}
static void test_u_n_t_p(void) {
test_u_n_t_p_one("home.mount", "/home", 0);
test_u_n_t_p_one("home-lennart.mount", "/home/lennart", 0);
test_u_n_t_p_one("home-lennart-.mount", NULL, -EINVAL);
test_u_n_t_p_one("-home-lennart.mount", NULL, -EINVAL);
test_u_n_t_p_one("-home--lennart.mount", NULL, -EINVAL);
test_u_n_t_p_one("home-..-lennart.mount", NULL, -EINVAL);
test_u_n_t_p_one("", NULL, -EINVAL);
test_u_n_t_p_one("home/foo", NULL, -EINVAL);
}
static void test_u_n_m_one(const char *pattern, const char *expect, int ret) {
_cleanup_free_ char *t = NULL;
assert_se(unit_name_mangle(pattern, UNIT_NAME_NOGLOB, &t) == ret);
puts(strna(t));
assert_se(streq_ptr(t, expect));
if (t) {
_cleanup_free_ char *k = NULL;
assert_se(unit_name_is_valid(t, UNIT_NAME_ANY));
assert_se(unit_name_mangle(t, UNIT_NAME_NOGLOB, &k) == 0);
assert_se(streq_ptr(t, k));
}
}
expect("/home");
expect("/dev/sda");
expect("üxknürz.service");
expect("foobar-meh...waldi.service");
expect("_____####----.....service");
expect("_____##@;;;,,,##----.....service");
expect("xxx@@@@/////\\\\\\\\\\yyy.service");
#undef expect
static void test_u_n_m(void) {
puts("-------------------------------------------------");
test_u_n_m_one("foo.service", "foo.service", 0);
test_u_n_m_one("/home", "home.mount", 1);
test_u_n_m_one("/dev/sda", "dev-sda.device", 1);
test_u_n_m_one("üxknürz.service", "\\xc3\\xbcxkn\\xc3\\xbcrz.service", 1);
test_u_n_m_one("foobar-meh...waldi.service", "foobar-meh...waldi.service", 0);
test_u_n_m_one("_____####----.....service", "_____\\x23\\x23\\x23\\x23----.....service", 1);
test_u_n_m_one("_____##@;;;,,,##----.....service", "_____\\x23\\x23@\\x3b\\x3b\\x3b\\x2c\\x2c\\x2c\\x23\\x23----.....service", 1);
test_u_n_m_one("xxx@@@@/////\\\\\\\\\\yyy.service", "xxx@@@@-----\\\\\\\\\\yyy.service", 1);
test_u_n_m_one("", NULL, -EINVAL);
}
static int test_unit_printf(void) {
@ -224,64 +301,49 @@ static void test_unit_prefix_is_valid(void) {
}
static void test_unit_name_change_suffix(void) {
char *r;
char *t;
r = unit_name_change_suffix("foo.bar", ".service");
assert_se(r);
assert_se(streq(r, "foo.service"));
free(r);
assert_se(unit_name_change_suffix("foo.mount", ".service", &t) == 0);
assert_se(streq(t, "foo.service"));
free(t);
r = unit_name_change_suffix("foo@stuff.bar", ".boo");
assert_se(r);
assert_se(streq(r, "foo@stuff.boo"));
free(r);
assert_se(unit_name_change_suffix("foo@stuff.service", ".socket", &t) == 0);
assert_se(streq(t, "foo@stuff.socket"));
free(t);
}
static void test_unit_name_build(void) {
char *r;
char *t;
r = unit_name_build("foo", "bar", ".service");
assert_se(r);
assert_se(streq(r, "foo@bar.service"));
free(r);
assert_se(unit_name_build("foo", "bar", ".service", &t) == 0);
assert_se(streq(t, "foo@bar.service"));
free(t);
r = unit_name_build("fo0-stUff_b", "bar", ".mount");
assert_se(r);
assert_se(streq(r, "fo0-stUff_b@bar.mount"));
free(r);
assert_se(unit_name_build("fo0-stUff_b", "bar", ".mount", &t) == 0);
assert_se(streq(t, "fo0-stUff_b@bar.mount"));
free(t);
r = unit_name_build("foo", NULL, ".service");
assert_se(r);
assert_se(streq(r, "foo.service"));
free(r);
}
static void test_unit_name_is_instance(void) {
assert_se(unit_name_is_instance("a@b.service"));
assert_se(unit_name_is_instance("a-c_c01Aj@b05Dii_-oioi.service"));
assert_se(!unit_name_is_instance("a.service"));
assert_se(!unit_name_is_instance("a@.service"));
assert_se(!unit_name_is_instance("junk"));
assert_se(!unit_name_is_instance(""));
assert_se(unit_name_build("foo", NULL, ".service", &t) == 0);
assert_se(streq(t, "foo.service"));
free(t);
}
static void test_build_subslice(void) {
char *a;
char *b;
assert_se(build_subslice("-.slice", "foo", &a) >= 0);
assert_se(build_subslice(a, "bar", &b) >= 0);
assert_se(slice_build_subslice("-.slice", "foo", &a) >= 0);
assert_se(slice_build_subslice(a, "bar", &b) >= 0);
free(a);
assert_se(build_subslice(b, "barfoo", &a) >= 0);
assert_se(slice_build_subslice(b, "barfoo", &a) >= 0);
free(b);
assert_se(build_subslice(a, "foobar", &b) >= 0);
assert_se(slice_build_subslice(a, "foobar", &b) >= 0);
free(a);
assert_se(streq(b, "foo-bar-barfoo-foobar.slice"));
free(b);
assert_se(build_subslice("foo.service", "bar", &a) < 0);
assert_se(build_subslice("foo", "bar", &a) < 0);
assert_se(slice_build_subslice("foo.service", "bar", &a) < 0);
assert_se(slice_build_subslice("foo", "bar", &a) < 0);
}
static void test_unit_name_to_instance(void) {
@ -298,13 +360,13 @@ static void test_unit_name_to_instance(void) {
assert_se(streq(instance, ""));
free(instance);
r = unit_name_to_instance("fo0-stUff_b@b.e", &instance);
r = unit_name_to_instance("fo0-stUff_b@b.service", &instance);
assert_se(r >= 0);
assert_se(streq(instance, "b"));
free(instance);
r = unit_name_to_instance("foo.bar", &instance);
assert_se(r >= 0);
r = unit_name_to_instance("foo.service", &instance);
assert_se(r == 0);
assert_se(!instance);
r = unit_name_to_instance("fooj@unk", &instance);
@ -322,43 +384,37 @@ static void test_unit_name_escape(void) {
assert_se(streq(r, "ab\\x2b\\x2dc.a-bc\\x40foo.service"));
}
static void test_unit_name_template(void) {
#define expect(name, expected) \
{ \
_cleanup_free_ char *f = NULL; \
f = unit_name_template(name); \
assert_se(f); \
printf("got: %s, expected: %s\n", f, expected); \
assert_se(streq(f, expected)); \
}
expect("foo@bar.service", "foo@.service")
expect("foo.mount", "foo.mount")
#undef expect
static void test_u_n_t_one(const char *name, const char *expected, int ret) {
_cleanup_free_ char *f = NULL;
assert_se(unit_name_template(name, &f) == ret);
printf("got: %s, expected: %s\n", strna(f), strna(expected));
assert_se(streq_ptr(f, expected));
}
static void test_unit_name_is_template(void) {
assert_se(unit_name_is_template("foo@.service"));
assert_se(unit_name_is_template("bar@.path"));
assert_se(!unit_name_is_template("bar@i.mount"));
assert_se(!unit_name_is_template("bar@foobbbb.service"));
assert_se(!unit_name_is_template("barfoo.service"));
static void test_unit_name_template(void) {
test_u_n_t_one("foo@bar.service", "foo@.service", 0);
test_u_n_t_one("foo.mount", NULL, -EINVAL);
}
int main(int argc, char* argv[]) {
int rc = 0;
test_replacements();
test_unit_name_is_valid();
test_u_n_r_i();
test_u_n_f_p();
test_u_n_f_p_i();
test_u_n_m();
test_u_n_t_p();
TEST_REQ_RUNNING_SYSTEMD(rc = test_unit_printf());
test_unit_instance_is_valid();
test_unit_prefix_is_valid();
test_unit_name_change_suffix();
test_unit_name_build();
test_unit_name_is_instance();
test_build_subslice();
test_unit_name_to_instance();
test_unit_name_escape();
test_unit_name_template();
test_unit_name_is_template();
return rc;
}