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-rw-r--r--src/core/manager.c6
-rw-r--r--src/core/unit.c62
-rw-r--r--src/shared/path-lookup.c64
-rw-r--r--src/shared/path-lookup.h3
4 files changed, 99 insertions, 36 deletions
diff --git a/src/core/manager.c b/src/core/manager.c
index c72b46be30..1bc7921abe 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -63,6 +63,7 @@
#include "manager.h"
#include "missing.h"
#include "mkdir.h"
+#include "mkdir.h"
#include "parse-util.h"
#include "path-lookup.h"
#include "path-util.h"
@@ -1108,6 +1109,11 @@ int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
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;
+
dual_timestamp_get(&m->generators_start_timestamp);
r = manager_run_generators(m);
dual_timestamp_get(&m->generators_finish_timestamp);
diff --git a/src/core/unit.c b/src/core/unit.c
index 565704851b..f6c9891aad 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -418,13 +418,22 @@ static void unit_remove_transient(Unit *u) {
(void) unlink(u->fragment_path);
STRV_FOREACH(i, u->dropin_paths) {
- _cleanup_free_ char *p = NULL;
+ _cleanup_free_ char *p = NULL, *pp = NULL;
- (void) unlink(*i);
+ p = dirname_malloc(*i); /* Get the drop-in directory from the drop-in file */
+ if (!p)
+ continue;
+
+ pp = dirname_malloc(p); /* Get the config directory from the drop-in directory */
+ if (!pp)
+ continue;
+
+ /* Only drop transient drop-ins */
+ if (!path_equal(u->manager->lookup_paths.transient, pp))
+ continue;
- p = dirname_malloc(*i);
- if (p)
- (void) rmdir(p);
+ (void) unlink(*i);
+ (void) rmdir(p);
}
}
@@ -3315,35 +3324,24 @@ ExecRuntime *unit_get_exec_runtime(Unit *u) {
return *(ExecRuntime**) ((uint8_t*) u + offset);
}
-static int unit_drop_in_dir(Unit *u, UnitSetPropertiesMode mode, bool transient, char **dir) {
+static const char* unit_drop_in_dir(Unit *u, UnitSetPropertiesMode mode) {
assert(u);
- if (MANAGER_IS_USER(u->manager)) {
- int r;
+ if (u->transient) /* Redirect drop-ins for transient units always into the transient directory. */
+ return u->manager->lookup_paths.transient;
- if (mode == UNIT_PERSISTENT && !transient)
- r = user_config_home(dir);
- else
- r = user_runtime_dir(dir);
- if (r == 0)
- return -ENOENT;
+ if (mode == UNIT_RUNTIME)
+ return u->manager->lookup_paths.runtime_config;
- return r;
- }
+ if (mode == UNIT_PERSISTENT)
+ return u->manager->lookup_paths.persistent_config;
- if (mode == UNIT_PERSISTENT && !transient)
- *dir = strdup("/etc/systemd/system");
- else
- *dir = strdup("/run/systemd/system");
- if (!*dir)
- return -ENOMEM;
-
- return 0;
+ return NULL;
}
int unit_write_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data) {
-
- _cleanup_free_ char *dir = NULL, *p = NULL, *q = NULL;
+ _cleanup_free_ char *p = NULL, *q = NULL;
+ const char *dir;
int r;
assert(u);
@@ -3351,9 +3349,9 @@ int unit_write_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name, co
if (!IN_SET(mode, UNIT_PERSISTENT, UNIT_RUNTIME))
return 0;
- r = unit_drop_in_dir(u, mode, u->transient, &dir);
- if (r < 0)
- return r;
+ dir = unit_drop_in_dir(u, mode);
+ if (!dir)
+ return -EINVAL;
r = write_drop_in(dir, u->id, 50, name, data);
if (r < 0)
@@ -3398,7 +3396,7 @@ int unit_write_drop_in_format(Unit *u, UnitSetPropertiesMode mode, const char *n
}
int unit_write_drop_in_private(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data) {
- _cleanup_free_ char *ndata = NULL;
+ const char *ndata;
assert(u);
assert(name);
@@ -3410,9 +3408,7 @@ int unit_write_drop_in_private(Unit *u, UnitSetPropertiesMode mode, const char *
if (!IN_SET(mode, UNIT_PERSISTENT, UNIT_RUNTIME))
return 0;
- ndata = strjoin("[", UNIT_VTABLE(u)->private_section, "]\n", data, NULL);
- if (!ndata)
- return -ENOMEM;
+ ndata = strjoina("[", UNIT_VTABLE(u)->private_section, "]\n", data, NULL);
return unit_write_drop_in(u, mode, name, ndata);
}
diff --git a/src/shared/path-lookup.c b/src/shared/path-lookup.c
index 11b9bb6107..f437de370c 100644
--- a/src/shared/path-lookup.c
+++ b/src/shared/path-lookup.c
@@ -111,7 +111,8 @@ static char** user_dirs(
const char *runtime_config,
const char *generator,
const char *generator_early,
- const char *generator_late) {
+ const char *generator_late,
+ const char *transient) {
const char * const config_unit_paths[] = {
USER_CONFIG_UNIT_PATH,
@@ -172,6 +173,10 @@ static char** user_dirs(
return NULL;
/* Now merge everything we found. */
+ if (transient)
+ if (strv_extend(&res, transient) < 0)
+ return NULL;
+
if (generator_early)
if (strv_extend(&res, generator_early) < 0)
return NULL;
@@ -305,6 +310,42 @@ static int acquire_generator_dirs(
return 0;
}
+static int acquire_transient_dir(UnitFileScope scope, char **ret) {
+ char *transient;
+
+ assert(ret);
+
+ switch (scope) {
+
+ case UNIT_FILE_SYSTEM:
+ transient = strdup("/run/systemd/transient");
+ break;
+
+ case UNIT_FILE_USER: {
+ const char *e;
+
+ e = getenv("XDG_RUNTIME_DIR");
+ if (!e)
+ return -ENXIO;
+
+ transient = strjoin(e, "/systemd/transient", NULL);
+ break;
+ }
+
+ case UNIT_FILE_GLOBAL:
+ return -EOPNOTSUPP;
+
+ default:
+ assert_not_reached("Hmm, unexpected scope value.");
+ }
+
+ if (!transient)
+ return -ENOMEM;
+
+ *ret = transient;
+ return 0;
+}
+
static int acquire_config_dirs(UnitFileScope scope, char **persistent, char **runtime) {
_cleanup_free_ char *a = NULL, *b = NULL;
int r;
@@ -377,8 +418,9 @@ int lookup_paths_init(
_cleanup_free_ char
*root = NULL,
+ *persistent_config = NULL, *runtime_config = NULL,
*generator = NULL, *generator_early = NULL, *generator_late = NULL,
- *persistent_config = NULL, *runtime_config = NULL;
+ *transient = NULL;
bool append = false; /* Add items from SYSTEMD_UNIT_PATH before normal directories */
char **l = NULL;
const char *e;
@@ -411,6 +453,10 @@ int lookup_paths_init(
if (r < 0 && r != -EOPNOTSUPP && r != -ENXIO)
return r;
+ r = acquire_transient_dir(scope, &transient);
+ if (r < 0 && r != -EOPNOTSUPP && r != -ENXIO)
+ return r;
+
/* First priority is whatever has been passed to us via env
* vars */
e = getenv("SYSTEMD_UNIT_PATH");
@@ -449,6 +495,7 @@ int lookup_paths_init(
add = strv_new(
/* If you modify this you also want to modify
* systemdsystemunitpath= in systemd.pc.in! */
+ STRV_IFNOTNULL(transient),
STRV_IFNOTNULL(generator_early),
persistent_config,
SYSTEM_CONFIG_UNIT_PATH,
@@ -471,6 +518,7 @@ int lookup_paths_init(
/* If you modify this you also want to modify
* systemduserunitpath= in systemd.pc.in, and
* the arrays in user_dirs() above! */
+ STRV_IFNOTNULL(transient),
STRV_IFNOTNULL(generator_early),
persistent_config,
USER_CONFIG_UNIT_PATH,
@@ -489,7 +537,8 @@ int lookup_paths_init(
case UNIT_FILE_USER:
add = user_dirs(persistent_config, runtime_config,
- generator, generator_early, generator_late);
+ generator, generator_early, generator_late,
+ transient);
break;
default:
@@ -526,6 +575,10 @@ int lookup_paths_init(
if (r < 0)
return r;
+ r = patch_root_prefix(&transient, root);
+ if (r < 0)
+ return r;
+
if (!path_strv_resolve_uniq(l, root))
return -ENOMEM;
@@ -554,6 +607,9 @@ int lookup_paths_init(
p->generator_late = generator_late;
generator = generator_early = generator_late = NULL;
+ p->transient = transient;
+ transient = NULL;
+
p->root_dir = root;
root = NULL;
@@ -573,5 +629,7 @@ void lookup_paths_free(LookupPaths *p) {
p->generator_early = mfree(p->generator_early);
p->generator_late = mfree(p->generator_late);
+ p->transient = mfree(p->transient);
+
p->root_dir = mfree(p->root_dir);
}
diff --git a/src/shared/path-lookup.h b/src/shared/path-lookup.h
index 078c3484f5..b0603c0c99 100644
--- a/src/shared/path-lookup.h
+++ b/src/shared/path-lookup.h
@@ -38,6 +38,9 @@ struct LookupPaths {
char *generator_early;
char *generator_late;
+ /* Where to place transient unit files */
+ char *transient;
+
/* The root directory prepended to all items above, or NULL */
char *root_dir;
};
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-02 13:37:03 +0000