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-rw-r--r--src/core/dbus-cgroup.c32
-rw-r--r--src/core/dbus-service.c2
-rw-r--r--src/core/dbus-unit.c36
-rw-r--r--src/core/unit.c58
-rw-r--r--src/core/unit.h6
5 files changed, 85 insertions, 49 deletions
diff --git a/src/core/dbus-cgroup.c b/src/core/dbus-cgroup.c
index 27b54f95c6..8ad3d118c5 100644
--- a/src/core/dbus-cgroup.c
+++ b/src/core/dbus-cgroup.c
@@ -162,7 +162,7 @@ int bus_cgroup_set_property(
dbus_message_iter_get_basic(i, &b);
c->cpu_accounting = b;
- unit_write_drop_in_private_section(u, mode, name, b ? "CPUAccounting=yes" : "CPUAccounting=no");
+ unit_write_drop_in_private(u, mode, name, b ? "CPUAccounting=yes" : "CPUAccounting=no");
}
return 1;
@@ -181,11 +181,8 @@ int bus_cgroup_set_property(
return -EINVAL;
if (mode != UNIT_CHECK) {
- char buf[sizeof("CPUShares=") + DECIMAL_STR_MAX(ul)];
c->cpu_shares = ul;
-
- sprintf(buf, "CPUShares=%lu", ul);
- unit_write_drop_in_private_section(u, mode, name, buf);
+ unit_write_drop_in_private_format(u, mode, name, "CPUShares=%lu", ul);
}
return 1;
@@ -200,7 +197,7 @@ int bus_cgroup_set_property(
dbus_message_iter_get_basic(i, &b);
c->blockio_accounting = b;
- unit_write_drop_in_private_section(u, mode, name, b ? "BlockIOAccounting=yes" : "BlockIOAccounting=no");
+ unit_write_drop_in_private(u, mode, name, b ? "BlockIOAccounting=yes" : "BlockIOAccounting=no");
}
return 1;
@@ -219,11 +216,8 @@ int bus_cgroup_set_property(
return -EINVAL;
if (mode != UNIT_CHECK) {
- char buf[sizeof("BlockIOWeight=") + DECIMAL_STR_MAX(ul)];
c->cpu_shares = ul;
-
- sprintf(buf, "BlockIOWeight=%lu", ul);
- unit_write_drop_in_private_section(u, mode, name, buf);
+ unit_write_drop_in_private_format(u, mode, name, "BlockIOWeight=%lu", ul);
}
return 1;
@@ -238,7 +232,7 @@ int bus_cgroup_set_property(
dbus_message_iter_get_basic(i, &b);
c->memory_accounting = b;
- unit_write_drop_in_private_section(u, mode, name, b ? "MemoryAccounting=yes" : "MemoryAccounting=no");
+ unit_write_drop_in_private(u, mode, name, b ? "MemoryAccounting=yes" : "MemoryAccounting=no");
}
return 1;
@@ -250,19 +244,15 @@ int bus_cgroup_set_property(
if (mode != UNIT_CHECK) {
uint64_t limit;
- char buf[sizeof("MemorySoftLimit=") + DECIMAL_STR_MAX(limit)];
dbus_message_iter_get_basic(i, &limit);
- if (streq(name, "MemoryLimit")) {
+ if (streq(name, "MemoryLimit"))
c->memory_limit = limit;
- sprintf(buf, "MemoryLimit=%" PRIu64, limit);
- unit_write_drop_in_private_section(u, mode, name, buf);
- } else {
+ else
c->memory_soft_limit = limit;
- sprintf(buf, "MemorySoftLimit=%" PRIu64, limit);
- unit_write_drop_in_private_section(u, mode, name, buf);
- }
+
+ unit_write_drop_in_private_format(u, mode, name, "%s=%" PRIu64, name, limit);
}
return 1;
@@ -285,7 +275,7 @@ int bus_cgroup_set_property(
c->device_policy = p;
buf = strappenda("DevicePolicy=", policy);
- unit_write_drop_in_private_section(u, mode, name, buf);
+ unit_write_drop_in_private(u, mode, name, buf);
}
return 1;
@@ -365,7 +355,7 @@ int bus_cgroup_set_property(
fprintf(f, "DeviceAllow=%s %s%s%s\n", a->path, a->r ? "r" : "", a->w ? "w" : "", a->m ? "m" : "");
fflush(f);
- unit_write_drop_in_private_section(u, mode, name, buf);
+ unit_write_drop_in_private(u, mode, name, buf);
}
return 1;
diff --git a/src/core/dbus-service.c b/src/core/dbus-service.c
index d63ca01c4f..8b157b5f3c 100644
--- a/src/core/dbus-service.c
+++ b/src/core/dbus-service.c
@@ -276,7 +276,7 @@ static int bus_service_set_transient_property(
}
fflush(f);
- unit_write_drop_in_private_section(UNIT(s), mode, name, buf);
+ unit_write_drop_in_private(UNIT(s), mode, name, buf);
}
return 1;
diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index 5814971b8c..ba4d42652e 100644
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -794,7 +794,6 @@ static int bus_unit_set_transient_property(
return -EINVAL;
if (mode != UNIT_CHECK) {
- _cleanup_free_ char *contents = NULL;
const char *description;
dbus_message_iter_get_basic(i, &description);
@@ -803,18 +802,13 @@ static int bus_unit_set_transient_property(
if (r < 0)
return r;
- contents = strjoin("[Unit]\nDescription=", description, "\n", NULL);
- if (!contents)
- return -ENOMEM;
-
- unit_write_drop_in(u, mode, name, contents);
+ unit_write_drop_in_format(u, mode, name, "[Unit]\nDescription=%s\n", description);
}
return 1;
} else if (streq(name, "Slice") && unit_get_cgroup_context(u)) {
const char *s;
- Unit *slice;
if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING)
return -EINVAL;
@@ -822,10 +816,12 @@ static int bus_unit_set_transient_property(
dbus_message_iter_get_basic(i, &s);
if (isempty(s)) {
- if (mode != UNIT_CHECK)
+ if (mode != UNIT_CHECK) {
unit_ref_unset(&u->slice);
+ unit_remove_drop_in(u, mode, name);
+ }
} else {
- _cleanup_free_ char *contents = NULL;
+ Unit *slice;
r = manager_load_unit(u->manager, s, NULL, error, &slice);
if (r < 0)
@@ -834,15 +830,12 @@ static int bus_unit_set_transient_property(
if (slice->type != UNIT_SLICE)
return -EINVAL;
- if (mode != UNIT_CHECK)
+ if (mode != UNIT_CHECK) {
unit_ref_set(&u->slice, slice);
-
- contents = strjoin("[", UNIT_VTABLE(u)->private_section, "]\nSlice=", s, NULL);
- if (!contents)
- return -ENOMEM;
-
- unit_write_drop_in(u, mode, name, contents);
+ unit_write_drop_in_private_format(u, mode, name, "Slice=%s\n", s);
+ }
}
+
return 1;
} else if (streq(name, "Requires") ||
@@ -880,7 +873,7 @@ static int bus_unit_set_transient_property(
return -EINVAL;
if (mode != UNIT_CHECK) {
- _cleanup_free_ char *label = NULL, *contents = NULL;
+ _cleanup_free_ char *label = NULL;
r = unit_add_dependency_by_name(u, d, other, NULL, true);
if (r < 0)
@@ -890,11 +883,7 @@ static int bus_unit_set_transient_property(
if (!label)
return -ENOMEM;
- contents = strjoin("[Unit]\n", name, "=", other, "\n", NULL);
- if (!contents)
- return -ENOMEM;
-
- unit_write_drop_in(u, mode, label, contents);
+ unit_write_drop_in_format(u, mode, label, "[Unit]\n%s=%s\n", name, other);
}
dbus_message_iter_next(&sub);
@@ -1048,10 +1037,11 @@ const BusProperty bus_unit_properties[] = {
{ "ConditionResult", bus_property_append_bool, "b", offsetof(Unit, condition_result) },
{ "LoadError", bus_unit_append_load_error, "(ss)", 0 },
{ "Transient", bus_property_append_bool, "b", offsetof(Unit, transient) },
- { NULL, }
+ {}
};
const BusProperty bus_unit_cgroup_properties[] = {
{ "Slice", bus_unit_append_slice, "s", 0 },
{ "ControlGroup", bus_property_append_string, "s", offsetof(Unit, cgroup_path), true },
+ {}
};
diff --git a/src/core/unit.c b/src/core/unit.c
index 86452859bc..dd08011ff4 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2733,6 +2733,7 @@ CGroupContext *unit_get_cgroup_context(Unit *u) {
}
static int drop_in_file(Unit *u, UnitSetPropertiesMode mode, const char *name, char **_p, char **_q) {
+ _cleanup_free_ char *b = NULL;
char *p, *q;
int r;
@@ -2742,7 +2743,11 @@ static int drop_in_file(Unit *u, UnitSetPropertiesMode mode, const char *name, c
assert(_q);
assert(mode & (UNIT_PERSISTENT|UNIT_RUNTIME));
- if (!filename_is_safe(name))
+ b = xescape(name, "/.");
+ if (!b)
+ return -ENOMEM;
+
+ if (!filename_is_safe(b))
return -EINVAL;
if (u->manager->running_as == SYSTEMD_USER) {
@@ -2762,7 +2767,7 @@ static int drop_in_file(Unit *u, UnitSetPropertiesMode mode, const char *name, c
if (!p)
return -ENOMEM;
- q = strjoin(p, "/90-", name, ".conf", NULL);
+ q = strjoin(p, "/90-", b, ".conf", NULL);
if (!q) {
free(p);
return -ENOMEM;
@@ -2792,7 +2797,29 @@ int unit_write_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name, co
return write_string_file_atomic_label(q, data);
}
-int unit_write_drop_in_private_section(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data) {
+int unit_write_drop_in_format(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *format, ...) {
+ _cleanup_free_ char *p = NULL;
+ va_list ap;
+ int r;
+
+ assert(u);
+ assert(name);
+ assert(format);
+
+ if (!(mode & (UNIT_PERSISTENT|UNIT_RUNTIME)))
+ return 0;
+
+ va_start(ap, format);
+ r = vasprintf(&p, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return -ENOMEM;
+
+ return unit_write_drop_in(u, mode, name, p);
+}
+
+int unit_write_drop_in_private(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data) {
_cleanup_free_ char *ndata = NULL;
assert(u);
@@ -2802,6 +2829,9 @@ int unit_write_drop_in_private_section(Unit *u, UnitSetPropertiesMode mode, cons
if (!UNIT_VTABLE(u)->private_section)
return -EINVAL;
+ if (!(mode & (UNIT_PERSISTENT|UNIT_RUNTIME)))
+ return 0;
+
ndata = strjoin("[", UNIT_VTABLE(u)->private_section, "]\n", data, NULL);
if (!ndata)
return -ENOMEM;
@@ -2809,6 +2839,28 @@ int unit_write_drop_in_private_section(Unit *u, UnitSetPropertiesMode mode, cons
return unit_write_drop_in(u, mode, name, ndata);
}
+int unit_write_drop_in_private_format(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *format, ...) {
+ _cleanup_free_ char *p = NULL;
+ va_list ap;
+ int r;
+
+ assert(u);
+ assert(name);
+ assert(format);
+
+ if (!(mode & (UNIT_PERSISTENT|UNIT_RUNTIME)))
+ return 0;
+
+ va_start(ap, format);
+ r = vasprintf(&p, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return -ENOMEM;
+
+ return unit_write_drop_in_private(u, mode, name, p);
+}
+
int unit_remove_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name) {
_cleanup_free_ char *p = NULL, *q = NULL;
int r;
diff --git a/src/core/unit.h b/src/core/unit.h
index ed4df18246..0caea183c4 100644
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -598,7 +598,11 @@ ExecContext *unit_get_exec_context(Unit *u) _pure_;
CGroupContext *unit_get_cgroup_context(Unit *u) _pure_;
int unit_write_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data);
-int unit_write_drop_in_private_section(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data);
+int unit_write_drop_in_format(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *format, ...) _printf_attr_(4,5);
+
+int unit_write_drop_in_private(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data);
+int unit_write_drop_in_private_format(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *format, ...) _printf_attr_(4,5);
+
int unit_remove_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name);
int unit_kill_context(Unit *u, KillContext *c, bool sigkill, pid_t main_pid, pid_t control_pid, bool main_pid_alien);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-05 09:30:23 +0000