127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include "bus-util.h"
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#include "dbus-util.h"
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#include "parse-util.h"
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#include "path-util.h"
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#include "unit-printf.h"
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#include "user-util.h"
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#include "unit.h"
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int bus_property_get_triggered_unit(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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Unit *u = userdata, *trigger;
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assert(bus);
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assert(reply);
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assert(u);
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trigger = UNIT_TRIGGER(u);
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return sd_bus_message_append(reply, "s", trigger ? trigger->id : NULL);
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}
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BUS_DEFINE_SET_TRANSIENT(mode_t, "u", uint32_t, mode_t, "%040o");
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BUS_DEFINE_SET_TRANSIENT(unsigned, "u", uint32_t, unsigned, "%" PRIu32);
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static inline bool valid_user_group_name_or_id_relaxed(const char *u) {
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return valid_user_group_name(u, VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX);
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}
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BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(user_relaxed, valid_user_group_name_or_id_relaxed);
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BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(path, path_is_absolute);
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int bus_set_transient_string(
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Unit *u,
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const char *name,
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char **p,
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sd_bus_message *message,
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UnitWriteFlags flags,
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sd_bus_error *error) {
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const char *v;
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int r;
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assert(p);
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r = sd_bus_message_read(message, "s", &v);
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if (r < 0)
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return r;
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if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
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r = free_and_strdup(p, empty_to_null(v));
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if (r < 0)
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return r;
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unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name,
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"%s=%s", name, strempty(v));
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}
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return 1;
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}
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int bus_set_transient_bool(
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Unit *u,
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const char *name,
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bool *p,
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sd_bus_message *message,
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UnitWriteFlags flags,
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sd_bus_error *error) {
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int v, r;
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assert(p);
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r = sd_bus_message_read(message, "b", &v);
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if (r < 0)
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return r;
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if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
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*p = v;
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unit_write_settingf(u, flags, name, "%s=%s", name, yes_no(v));
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}
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return 1;
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}
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int bus_set_transient_usec_internal(
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Unit *u,
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const char *name,
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usec_t *p,
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bool fix_0,
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sd_bus_message *message,
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UnitWriteFlags flags,
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sd_bus_error *error) {
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uint64_t v;
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int r;
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assert(p);
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r = sd_bus_message_read(message, "t", &v);
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if (r < 0)
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return r;
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if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
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char *n, ts[FORMAT_TIMESPAN_MAX];
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if (fix_0)
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*p = v != 0 ? v: USEC_INFINITY;
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else
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*p = v;
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n = strndupa(name, strlen(name) - 4);
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unit_write_settingf(u, flags, name, "%sSec=%s", n,
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format_timespan(ts, sizeof(ts), v, USEC_PER_MSEC));
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}
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return 1;
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}
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