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Diffstat (limited to 'src/core/manager.c')
-rw-r--r--src/core/manager.c292
1 files changed, 81 insertions, 211 deletions
diff --git a/src/core/manager.c b/src/core/manager.c
index e739795e70..5601770670 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -49,6 +49,7 @@
#include "dbus-manager.h"
#include "dbus-unit.h"
#include "dbus.h"
+#include "dirent-util.h"
#include "env-util.h"
#include "escape.h"
#include "exit-status.h"
@@ -63,6 +64,7 @@
#include "manager.h"
#include "missing.h"
#include "mkdir.h"
+#include "mkdir.h"
#include "parse-util.h"
#include "path-lookup.h"
#include "path-util.h"
@@ -98,7 +100,6 @@ static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32
static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata);
static int manager_dispatch_run_queue(sd_event_source *source, void *userdata);
static int manager_run_generators(Manager *m);
-static void manager_undo_generators(Manager *m);
static void manager_watch_jobs_in_progress(Manager *m) {
usec_t next;
@@ -491,7 +492,7 @@ static int manager_setup_signals(Manager *m) {
if (r < 0)
return r;
- if (m->running_as == MANAGER_SYSTEM)
+ if (MANAGER_IS_SYSTEM(m))
return enable_special_signals(m);
return 0;
@@ -518,7 +519,7 @@ static void manager_clean_environment(Manager *m) {
static int manager_default_environment(Manager *m) {
assert(m);
- if (m->running_as == MANAGER_SYSTEM) {
+ if (MANAGER_IS_SYSTEM(m)) {
/* The system manager always starts with a clean
* environment for its children. It does not import
* the kernel or the parents exported variables.
@@ -547,43 +548,36 @@ static int manager_default_environment(Manager *m) {
}
-int manager_new(ManagerRunningAs running_as, bool test_run, Manager **_m) {
-
- static const char * const unit_log_fields[_MANAGER_RUNNING_AS_MAX] = {
- [MANAGER_SYSTEM] = "UNIT=",
- [MANAGER_USER] = "USER_UNIT=",
- };
-
- static const char * const unit_log_format_strings[_MANAGER_RUNNING_AS_MAX] = {
- [MANAGER_SYSTEM] = "UNIT=%s",
- [MANAGER_USER] = "USER_UNIT=%s",
- };
-
+int manager_new(UnitFileScope scope, bool test_run, Manager **_m) {
Manager *m;
int r;
assert(_m);
- assert(running_as >= 0);
- assert(running_as < _MANAGER_RUNNING_AS_MAX);
+ assert(IN_SET(scope, UNIT_FILE_SYSTEM, UNIT_FILE_USER));
m = new0(Manager, 1);
if (!m)
return -ENOMEM;
-#ifdef ENABLE_EFI
- if (running_as == MANAGER_SYSTEM && detect_container() <= 0)
- boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp);
-#endif
-
- m->running_as = running_as;
+ m->unit_file_scope = scope;
m->exit_code = _MANAGER_EXIT_CODE_INVALID;
m->default_timer_accuracy_usec = USEC_PER_MINUTE;
m->default_tasks_accounting = true;
m->default_tasks_max = UINT64_C(512);
+#ifdef ENABLE_EFI
+ if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0)
+ boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp);
+#endif
+
/* Prepare log fields we can use for structured logging */
- m->unit_log_field = unit_log_fields[running_as];
- m->unit_log_format_string = unit_log_format_strings[running_as];
+ if (MANAGER_IS_SYSTEM(m)) {
+ m->unit_log_field = "UNIT=";
+ m->unit_log_format_string = "UNIT=%s";
+ } else {
+ m->unit_log_field = "USER_UNIT=";
+ m->unit_log_format_string = "USER_UNIT=%s";
+ }
m->idle_pipe[0] = m->idle_pipe[1] = m->idle_pipe[2] = m->idle_pipe[3] = -1;
@@ -683,6 +677,7 @@ static int manager_setup_notify(Manager *m) {
.sa.sa_family = AF_UNIX,
};
static const int one = 1;
+ const char *e;
/* First free all secondary fields */
m->notify_socket = mfree(m->notify_socket);
@@ -694,19 +689,13 @@ static int manager_setup_notify(Manager *m) {
fd_inc_rcvbuf(fd, NOTIFY_RCVBUF_SIZE);
- if (m->running_as == MANAGER_SYSTEM)
- m->notify_socket = strdup("/run/systemd/notify");
- else {
- const char *e;
-
- e = getenv("XDG_RUNTIME_DIR");
- if (!e) {
- log_error_errno(errno, "XDG_RUNTIME_DIR is not set: %m");
- return -EINVAL;
- }
-
- m->notify_socket = strappend(e, "/systemd/notify");
+ e = manager_get_runtime_prefix(m);
+ if (!e) {
+ log_error("Failed to determine runtime prefix.");
+ return -EINVAL;
}
+
+ m->notify_socket = strappend(e, "/systemd/notify");
if (!m->notify_socket)
return log_oom();
@@ -756,8 +745,8 @@ static int manager_setup_kdbus(Manager *m) {
return -ESOCKTNOSUPPORT;
m->kdbus_fd = bus_kernel_create_bus(
- m->running_as == MANAGER_SYSTEM ? "system" : "user",
- m->running_as == MANAGER_SYSTEM, &p);
+ MANAGER_IS_SYSTEM(m) ? "system" : "user",
+ MANAGER_IS_SYSTEM(m), &p);
if (m->kdbus_fd < 0)
return log_debug_errno(m->kdbus_fd, "Failed to set up kdbus: %m");
@@ -778,7 +767,7 @@ static int manager_connect_bus(Manager *m, bool reexecuting) {
try_bus_connect =
m->kdbus_fd >= 0 ||
reexecuting ||
- (m->running_as == MANAGER_USER && getenv("DBUS_SESSION_BUS_ADDRESS"));
+ (MANAGER_IS_USER(m) && getenv("DBUS_SESSION_BUS_ADDRESS"));
/* Try to connect to the buses, if possible. */
return bus_init(m, try_bus_connect);
@@ -940,7 +929,7 @@ Manager* manager_free(Manager *m) {
* around */
manager_shutdown_cgroup(m, m->exit_code != MANAGER_REEXECUTE);
- manager_undo_generators(m);
+ lookup_paths_flush_generator(&m->lookup_paths);
bus_done(m);
@@ -1037,7 +1026,6 @@ static void manager_coldplug(Manager *m) {
static void manager_build_unit_path_cache(Manager *m) {
char **i;
- _cleanup_closedir_ DIR *d = NULL;
int r;
assert(m);
@@ -1046,29 +1034,27 @@ static void manager_build_unit_path_cache(Manager *m) {
m->unit_path_cache = set_new(&string_hash_ops);
if (!m->unit_path_cache) {
- log_error("Failed to allocate unit path cache.");
- return;
+ r = -ENOMEM;
+ goto fail;
}
/* This simply builds a list of files we know exist, so that
* we don't always have to go to disk */
- STRV_FOREACH(i, m->lookup_paths.unit_path) {
+ STRV_FOREACH(i, m->lookup_paths.search_path) {
+ _cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
d = opendir(*i);
if (!d) {
if (errno != ENOENT)
- log_error_errno(errno, "Failed to open directory %s: %m", *i);
+ log_warning_errno(errno, "Failed to open directory %s, ignoring: %m", *i);
continue;
}
- while ((de = readdir(d))) {
+ FOREACH_DIRENT(de, d, r = -errno; goto fail) {
char *p;
- if (hidden_file(de->d_name))
- continue;
-
p = strjoin(streq(*i, "/") ? "" : *i, "/", de->d_name, NULL);
if (!p) {
r = -ENOMEM;
@@ -1079,20 +1065,15 @@ static void manager_build_unit_path_cache(Manager *m) {
if (r < 0)
goto fail;
}
-
- d = safe_closedir(d);
}
return;
fail:
- log_error_errno(r, "Failed to build unit path cache: %m");
-
- set_free_free(m->unit_path_cache);
- m->unit_path_cache = NULL;
+ log_warning_errno(r, "Failed to build unit path cache, proceeding without: %m");
+ m->unit_path_cache = set_free_free(m->unit_path_cache);
}
-
static void manager_distribute_fds(Manager *m, FDSet *fds) {
Iterator i;
Unit *u;
@@ -1116,21 +1097,22 @@ int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
assert(m);
- dual_timestamp_get(&m->generators_start_timestamp);
- r = manager_run_generators(m);
- dual_timestamp_get(&m->generators_finish_timestamp);
+ r = lookup_paths_init(&m->lookup_paths, m->unit_file_scope, 0, NULL);
+ if (r < 0)
+ return r;
+
+ /* Make sure the transient directory always exists, so that it remains in the search path */
+ r = mkdir_p_label(m->lookup_paths.transient, 0755);
if (r < 0)
return r;
- r = lookup_paths_init(
- &m->lookup_paths, m->running_as, true,
- NULL,
- m->generator_unit_path,
- m->generator_unit_path_early,
- m->generator_unit_path_late);
+ dual_timestamp_get(&m->generators_start_timestamp);
+ r = manager_run_generators(m);
+ dual_timestamp_get(&m->generators_finish_timestamp);
if (r < 0)
return r;
+ lookup_paths_reduce(&m->lookup_paths);
manager_build_unit_path_cache(m);
/* If we will deserialize make sure that during enumeration
@@ -1744,7 +1726,7 @@ static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t
}
log_received_signal(sfsi.ssi_signo == SIGCHLD ||
- (sfsi.ssi_signo == SIGTERM && m->running_as == MANAGER_USER)
+ (sfsi.ssi_signo == SIGTERM && MANAGER_IS_USER(m))
? LOG_DEBUG : LOG_INFO,
&sfsi);
@@ -1755,7 +1737,7 @@ static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t
break;
case SIGTERM:
- if (m->running_as == MANAGER_SYSTEM) {
+ if (MANAGER_IS_SYSTEM(m)) {
/* This is for compatibility with the
* original sysvinit */
m->exit_code = MANAGER_REEXECUTE;
@@ -1765,7 +1747,7 @@ static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t
/* Fall through */
case SIGINT:
- if (m->running_as == MANAGER_SYSTEM) {
+ if (MANAGER_IS_SYSTEM(m)) {
/* If the user presses C-A-D more than
* 7 times within 2s, we reboot
@@ -1791,14 +1773,14 @@ static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t
break;
case SIGWINCH:
- if (m->running_as == MANAGER_SYSTEM)
+ if (MANAGER_IS_SYSTEM(m))
manager_start_target(m, SPECIAL_KBREQUEST_TARGET, JOB_REPLACE);
/* This is a nop on non-init */
break;
case SIGPWR:
- if (m->running_as == MANAGER_SYSTEM)
+ if (MANAGER_IS_SYSTEM(m))
manager_start_target(m, SPECIAL_SIGPWR_TARGET, JOB_REPLACE);
/* This is a nop on non-init */
@@ -1906,7 +1888,7 @@ static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t
break;
case 24:
- if (m->running_as == MANAGER_USER) {
+ if (MANAGER_IS_USER(m)) {
m->exit_code = MANAGER_EXIT;
return 0;
}
@@ -2022,7 +2004,7 @@ int manager_loop(Manager *m) {
while (m->exit_code == MANAGER_OK) {
usec_t wait_usec;
- if (m->runtime_watchdog > 0 && m->runtime_watchdog != USEC_INFINITY && m->running_as == MANAGER_SYSTEM)
+ if (m->runtime_watchdog > 0 && m->runtime_watchdog != USEC_INFINITY && MANAGER_IS_SYSTEM(m))
watchdog_ping();
if (!ratelimit_test(&rl)) {
@@ -2047,7 +2029,7 @@ int manager_loop(Manager *m) {
continue;
/* Sleep for half the watchdog time */
- if (m->runtime_watchdog > 0 && m->runtime_watchdog != USEC_INFINITY && m->running_as == MANAGER_SYSTEM) {
+ if (m->runtime_watchdog > 0 && m->runtime_watchdog != USEC_INFINITY && MANAGER_IS_SYSTEM(m)) {
wait_usec = m->runtime_watchdog / 2;
if (wait_usec <= 0)
wait_usec = 1;
@@ -2118,7 +2100,7 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
const char *msg;
int audit_fd, r;
- if (m->running_as != MANAGER_SYSTEM)
+ if (!MANAGER_IS_SYSTEM(m))
return;
audit_fd = get_audit_fd();
@@ -2127,7 +2109,7 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
/* Don't generate audit events if the service was already
* started and we're just deserializing */
- if (m->n_reloading > 0)
+ if (MANAGER_IS_RELOADING(m))
return;
if (u->type != UNIT_SERVICE)
@@ -2161,10 +2143,10 @@ void manager_send_unit_plymouth(Manager *m, Unit *u) {
/* Don't generate plymouth events if the service was already
* started and we're just deserializing */
- if (m->n_reloading > 0)
+ if (MANAGER_IS_RELOADING(m))
return;
- if (m->running_as != MANAGER_SYSTEM)
+ if (!MANAGER_IS_SYSTEM(m))
return;
if (detect_container() > 0)
@@ -2208,7 +2190,7 @@ int manager_open_serialization(Manager *m, FILE **_f) {
assert(_f);
- path = m->running_as == MANAGER_SYSTEM ? "/run/systemd" : "/tmp";
+ path = MANAGER_IS_SYSTEM(m) ? "/run/systemd" : "/tmp";
fd = open_tmpfile(path, O_RDWR|O_CLOEXEC);
if (fd < 0)
return -errno;
@@ -2539,23 +2521,19 @@ int manager_reload(Manager *m) {
/* From here on there is no way back. */
manager_clear_jobs_and_units(m);
- manager_undo_generators(m);
+ lookup_paths_flush_generator(&m->lookup_paths);
lookup_paths_free(&m->lookup_paths);
- /* Find new unit paths */
- q = manager_run_generators(m);
+ q = lookup_paths_init(&m->lookup_paths, m->unit_file_scope, 0, NULL);
if (q < 0 && r >= 0)
r = q;
- q = lookup_paths_init(
- &m->lookup_paths, m->running_as, true,
- NULL,
- m->generator_unit_path,
- m->generator_unit_path_early,
- m->generator_unit_path_late);
+ /* Find new unit paths */
+ q = manager_run_generators(m);
if (q < 0 && r >= 0)
r = q;
+ lookup_paths_reduce(&m->lookup_paths);
manager_build_unit_path_cache(m);
/* First, enumerate what we can from all config files */
@@ -2589,12 +2567,6 @@ int manager_reload(Manager *m) {
return r;
}
-bool manager_is_reloading_or_reexecuting(Manager *m) {
- assert(m);
-
- return m->n_reloading != 0;
-}
-
void manager_reset_failed(Manager *m) {
Unit *u;
Iterator i;
@@ -2626,7 +2598,7 @@ static void manager_notify_finished(Manager *m) {
if (m->test_run)
return;
- if (m->running_as == MANAGER_SYSTEM && detect_container() <= 0) {
+ if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0) {
/* Note that m->kernel_usec.monotonic is always at 0,
* and m->firmware_usec.monotonic and
@@ -2691,7 +2663,7 @@ static void manager_notify_finished(Manager *m) {
void manager_check_finished(Manager *m) {
assert(m);
- if (m->n_reloading > 0)
+ if (MANAGER_IS_RELOADING(m))
return;
/* Verify that we are actually running currently. Initially
@@ -2732,77 +2704,6 @@ void manager_check_finished(Manager *m) {
manager_invalidate_startup_units(m);
}
-static int create_generator_dir(Manager *m, char **generator, const char *name) {
- char *p;
- int r;
-
- assert(m);
- assert(generator);
- assert(name);
-
- if (*generator)
- return 0;
-
- if (m->running_as == MANAGER_SYSTEM && getpid() == 1) {
- /* systemd --system, not running --test */
-
- p = strappend("/run/systemd/", name);
- if (!p)
- return log_oom();
-
- r = mkdir_p_label(p, 0755);
- if (r < 0) {
- log_error_errno(r, "Failed to create generator directory %s: %m", p);
- free(p);
- return r;
- }
- } else if (m->running_as == MANAGER_USER) {
- const char *s = NULL;
-
- s = getenv("XDG_RUNTIME_DIR");
- if (!s)
- return -EINVAL;
- p = strjoin(s, "/systemd/", name, NULL);
- if (!p)
- return log_oom();
-
- r = mkdir_p_label(p, 0755);
- if (r < 0) {
- log_error_errno(r, "Failed to create generator directory %s: %m", p);
- free(p);
- return r;
- }
- } else {
- /* systemd --system --test */
-
- p = strjoin("/tmp/systemd-", name, ".XXXXXX", NULL);
- if (!p)
- return log_oom();
-
- if (!mkdtemp(p)) {
- log_error_errno(errno, "Failed to create generator directory %s: %m", p);
- free(p);
- return -errno;
- }
- }
-
- *generator = p;
- return 0;
-}
-
-static void trim_generator_dir(Manager *m, char **generator) {
- assert(m);
- assert(generator);
-
- if (!*generator)
- return;
-
- if (rmdir(*generator) >= 0)
- *generator = mfree(*generator);
-
- return;
-}
-
static int manager_run_generators(Manager *m) {
_cleanup_strv_free_ char **paths = NULL;
const char *argv[5];
@@ -2814,71 +2715,40 @@ static int manager_run_generators(Manager *m) {
if (m->test_run)
return 0;
- paths = generator_paths(m->running_as);
+ paths = generator_binary_paths(m->unit_file_scope);
if (!paths)
return log_oom();
/* Optimize by skipping the whole process by not creating output directories
* if no generators are found. */
STRV_FOREACH(path, paths) {
- r = access(*path, F_OK);
- if (r == 0)
+ if (access(*path, F_OK) >= 0)
goto found;
if (errno != ENOENT)
log_warning_errno(errno, "Failed to open generator directory %s: %m", *path);
}
+
return 0;
found:
- r = create_generator_dir(m, &m->generator_unit_path, "generator");
- if (r < 0)
- goto finish;
-
- r = create_generator_dir(m, &m->generator_unit_path_early, "generator.early");
- if (r < 0)
- goto finish;
-
- r = create_generator_dir(m, &m->generator_unit_path_late, "generator.late");
+ r = lookup_paths_mkdir_generator(&m->lookup_paths);
if (r < 0)
goto finish;
argv[0] = NULL; /* Leave this empty, execute_directory() will fill something in */
- argv[1] = m->generator_unit_path;
- argv[2] = m->generator_unit_path_early;
- argv[3] = m->generator_unit_path_late;
+ argv[1] = m->lookup_paths.generator;
+ argv[2] = m->lookup_paths.generator_early;
+ argv[3] = m->lookup_paths.generator_late;
argv[4] = NULL;
RUN_WITH_UMASK(0022)
execute_directories((const char* const*) paths, DEFAULT_TIMEOUT_USEC, (char**) argv);
finish:
- trim_generator_dir(m, &m->generator_unit_path);
- trim_generator_dir(m, &m->generator_unit_path_early);
- trim_generator_dir(m, &m->generator_unit_path_late);
+ lookup_paths_trim_generator(&m->lookup_paths);
return r;
}
-static void remove_generator_dir(Manager *m, char **generator) {
- assert(m);
- assert(generator);
-
- if (!*generator)
- return;
-
- strv_remove(m->lookup_paths.unit_path, *generator);
- (void) rm_rf(*generator, REMOVE_ROOT);
-
- *generator = mfree(*generator);
-}
-
-static void manager_undo_generators(Manager *m) {
- assert(m);
-
- remove_generator_dir(m, &m->generator_unit_path);
- remove_generator_dir(m, &m->generator_unit_path_early);
- remove_generator_dir(m, &m->generator_unit_path_late);
-}
-
int manager_environment_add(Manager *m, char **minus, char **plus) {
char **a = NULL, **b = NULL, **l;
assert(m);
@@ -2941,7 +2811,7 @@ void manager_recheck_journal(Manager *m) {
assert(m);
- if (m->running_as != MANAGER_SYSTEM)
+ if (!MANAGER_IS_SYSTEM(m))
return;
u = manager_get_unit(m, SPECIAL_JOURNALD_SOCKET);
@@ -2965,7 +2835,7 @@ void manager_set_show_status(Manager *m, ShowStatus mode) {
assert(m);
assert(IN_SET(mode, SHOW_STATUS_AUTO, SHOW_STATUS_NO, SHOW_STATUS_YES, SHOW_STATUS_TEMPORARY));
- if (m->running_as != MANAGER_SYSTEM)
+ if (!MANAGER_IS_SYSTEM(m))
return;
if (m->show_status != mode)
@@ -2982,7 +2852,7 @@ void manager_set_show_status(Manager *m, ShowStatus mode) {
static bool manager_get_show_status(Manager *m, StatusType type) {
assert(m);
- if (m->running_as != MANAGER_SYSTEM)
+ if (!MANAGER_IS_SYSTEM(m))
return false;
if (m->no_console_output)
@@ -3004,7 +2874,7 @@ static bool manager_get_show_status(Manager *m, StatusType type) {
void manager_set_first_boot(Manager *m, bool b) {
assert(m);
- if (m->running_as != MANAGER_SYSTEM)
+ if (!MANAGER_IS_SYSTEM(m))
return;
if (m->first_boot != (int) b) {
@@ -3050,7 +2920,7 @@ Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path) {
const char *manager_get_runtime_prefix(Manager *m) {
assert(m);
- return m->running_as == MANAGER_SYSTEM ?
+ return MANAGER_IS_SYSTEM(m) ?
"/run" :
getenv("XDG_RUNTIME_DIR");
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-05 03:19:45 +0000