047f5d63d7
Introduce support for configuring cpus and mems for processes using cgroup v2 CPUSET controller. This allows users to limit which cpus and memory NUMA nodes can be used by processes to better utilize system resources. The cgroup v2 interfaces to control it are cpuset.cpus and cpuset.mems where the requested configuration is written. However, it doesn't mean that the requested configuration will be actually used as parent cgroup may limit the cpus or mems as well. In order to reflect the real configuration cgroup v2 provides read-only files cpuset.cpus.effective and cpuset.mems.effective which are exported to users as well.
1951 lines
71 KiB
C
1951 lines
71 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include "alloc-util.h"
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#include "bus-error.h"
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#include "bus-unit-util.h"
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#include "bus-util.h"
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#include "cap-list.h"
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#include "cgroup-util.h"
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#include "condition.h"
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#include "cpu-set-util.h"
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#include "escape.h"
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#include "exec-util.h"
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#include "exit-status.h"
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#include "hexdecoct.h"
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#include "hostname-util.h"
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#include "in-addr-util.h"
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#include "ip-protocol-list.h"
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#include "locale-util.h"
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#include "log.h"
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#include "missing_fs.h"
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#include "mountpoint-util.h"
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#include "nsflags.h"
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#include "parse-util.h"
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#include "process-util.h"
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#include "rlimit-util.h"
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#include "securebits-util.h"
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#include "signal-util.h"
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#include "socket-util.h"
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#include "sort-util.h"
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#include "string-util.h"
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#include "syslog-util.h"
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#include "terminal-util.h"
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#include "unit-def.h"
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#include "user-util.h"
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#include "utf8.h"
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int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
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assert(message);
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assert(u);
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u->machine = NULL;
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return sd_bus_message_read(
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message,
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"(ssssssouso)",
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&u->id,
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&u->description,
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&u->load_state,
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&u->active_state,
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&u->sub_state,
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&u->following,
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&u->unit_path,
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&u->job_id,
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&u->job_type,
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&u->job_path);
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}
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#define DEFINE_BUS_APPEND_PARSE_PTR(bus_type, cast_type, type, parse_func) \
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static int bus_append_##parse_func( \
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sd_bus_message *m, \
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const char *field, \
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const char *eq) { \
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type val; \
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int r; \
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\
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r = parse_func(eq, &val); \
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if (r < 0) \
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return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq); \
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\
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r = sd_bus_message_append(m, "(sv)", field, \
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bus_type, (cast_type) val); \
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if (r < 0) \
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return bus_log_create_error(r); \
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\
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return 1; \
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}
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#define DEFINE_BUS_APPEND_PARSE(bus_type, parse_func) \
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static int bus_append_##parse_func( \
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sd_bus_message *m, \
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const char *field, \
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const char *eq) { \
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int r; \
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\
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r = parse_func(eq); \
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if (r < 0) \
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to parse %s: %s", field, eq); \
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\
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r = sd_bus_message_append(m, "(sv)", field, \
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bus_type, (int32_t) r); \
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if (r < 0) \
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return bus_log_create_error(r); \
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\
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return 1; \
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}
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DEFINE_BUS_APPEND_PARSE("b", parse_boolean);
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DEFINE_BUS_APPEND_PARSE("i", ioprio_class_from_string);
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DEFINE_BUS_APPEND_PARSE("i", ip_tos_from_string);
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DEFINE_BUS_APPEND_PARSE("i", log_facility_unshifted_from_string);
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DEFINE_BUS_APPEND_PARSE("i", log_level_from_string);
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DEFINE_BUS_APPEND_PARSE("i", parse_errno);
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DEFINE_BUS_APPEND_PARSE("i", sched_policy_from_string);
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DEFINE_BUS_APPEND_PARSE("i", secure_bits_from_string);
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DEFINE_BUS_APPEND_PARSE("i", signal_from_string);
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DEFINE_BUS_APPEND_PARSE("i", parse_ip_protocol);
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DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, ioprio_parse_priority);
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DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, parse_nice);
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DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, safe_atoi);
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DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, nsec_t, parse_nsec);
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DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_blkio_weight_parse);
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DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_cpu_shares_parse);
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DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_weight_parse);
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DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, unsigned long, mount_propagation_flags_from_string);
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DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, safe_atou64);
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DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, mode_t, parse_mode);
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DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, unsigned, safe_atou);
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DEFINE_BUS_APPEND_PARSE_PTR("x", int64_t, int64_t, safe_atoi64);
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static int bus_append_string(sd_bus_message *m, const char *field, const char *eq) {
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int r;
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r = sd_bus_message_append(m, "(sv)", field, "s", eq);
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if (r < 0)
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return bus_log_create_error(r);
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return 1;
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}
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static int bus_append_strv(sd_bus_message *m, const char *field, const char *eq, ExtractFlags flags) {
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const char *p;
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int r;
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r = sd_bus_message_open_container(m, 'r', "sv");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append_basic(m, 's', field);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_open_container(m, 'v', "as");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_open_container(m, 'a', "s");
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if (r < 0)
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return bus_log_create_error(r);
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for (p = eq;;) {
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_cleanup_free_ char *word = NULL;
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r = extract_first_word(&p, &word, NULL, flags);
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if (r == 0)
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break;
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if (r == -ENOMEM)
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return log_oom();
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if (r < 0)
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return log_error_errno(r, "Invalid syntax: %s", eq);
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r = sd_bus_message_append_basic(m, 's', word);
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if (r < 0)
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return bus_log_create_error(r);
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}
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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return 1;
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}
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static int bus_append_byte_array(sd_bus_message *m, const char *field, const void *buf, size_t n) {
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int r;
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r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_open_container(m, 'v', "ay");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append_array(m, 'y', buf, n);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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return 1;
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}
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static int bus_append_parse_sec_rename(sd_bus_message *m, const char *field, const char *eq) {
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char *n;
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usec_t t;
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size_t l;
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int r;
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r = parse_sec(eq, &t);
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if (r < 0)
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return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
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l = strlen(field);
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n = newa(char, l + 2);
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/* Change suffix Sec → USec */
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strcpy(mempcpy(n, field, l - 3), "USec");
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r = sd_bus_message_append(m, "(sv)", n, "t", t);
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if (r < 0)
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return bus_log_create_error(r);
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return 1;
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}
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static int bus_append_parse_size(sd_bus_message *m, const char *field, const char *eq, uint64_t base) {
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uint64_t v;
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int r;
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r = parse_size(eq, base, &v);
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if (r < 0)
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return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
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r = sd_bus_message_append(m, "(sv)", field, "t", v);
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if (r < 0)
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return bus_log_create_error(r);
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return 1;
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}
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static int bus_append_exec_command(sd_bus_message *m, const char *field, const char *eq) {
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bool explicit_path = false, done = false;
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_cleanup_strv_free_ char **l = NULL, **ex_opts = NULL;
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_cleanup_free_ char *path = NULL, *upgraded_name = NULL;
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ExecCommandFlags flags = 0;
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bool is_ex_prop = endswith(field, "Ex");
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int r;
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do {
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switch (*eq) {
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case '-':
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if (FLAGS_SET(flags, EXEC_COMMAND_IGNORE_FAILURE))
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done = true;
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else {
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flags |= EXEC_COMMAND_IGNORE_FAILURE;
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eq++;
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}
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break;
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case '@':
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if (explicit_path)
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done = true;
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else {
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explicit_path = true;
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eq++;
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}
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break;
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case ':':
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if (FLAGS_SET(flags, EXEC_COMMAND_NO_ENV_EXPAND))
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done = true;
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else {
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flags |= EXEC_COMMAND_NO_ENV_EXPAND;
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eq++;
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}
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break;
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case '+':
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if (flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_NO_SETUID|EXEC_COMMAND_AMBIENT_MAGIC))
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done = true;
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else {
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flags |= EXEC_COMMAND_FULLY_PRIVILEGED;
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eq++;
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}
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break;
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case '!':
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if (flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_AMBIENT_MAGIC))
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done = true;
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else if (FLAGS_SET(flags, EXEC_COMMAND_NO_SETUID)) {
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flags &= ~EXEC_COMMAND_NO_SETUID;
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flags |= EXEC_COMMAND_AMBIENT_MAGIC;
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eq++;
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} else {
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flags |= EXEC_COMMAND_NO_SETUID;
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eq++;
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}
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break;
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default:
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done = true;
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break;
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}
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} while (!done);
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if (!is_ex_prop && (flags & (EXEC_COMMAND_NO_ENV_EXPAND|EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_NO_SETUID|EXEC_COMMAND_AMBIENT_MAGIC))) {
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/* Upgrade the ExecXYZ= property to ExecXYZEx= for convenience */
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is_ex_prop = true;
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upgraded_name = strjoin(field, "Ex");
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if (!upgraded_name)
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return log_oom();
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}
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if (is_ex_prop) {
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r = exec_command_flags_to_strv(flags, &ex_opts);
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if (r < 0)
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return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
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}
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if (explicit_path) {
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r = extract_first_word(&eq, &path, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE);
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if (r < 0)
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return log_error_errno(r, "Failed to parse path: %m");
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}
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r = strv_split_extract(&l, eq, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE);
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if (r < 0)
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return log_error_errno(r, "Failed to parse command line: %m");
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r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, upgraded_name ?: field);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_open_container(m, 'v', is_ex_prop ? "a(sasas)" : "a(sasb)");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_open_container(m, 'a', is_ex_prop ? "(sasas)" : "(sasb)");
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if (r < 0)
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return bus_log_create_error(r);
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if (!strv_isempty(l)) {
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r = sd_bus_message_open_container(m, 'r', is_ex_prop ? "sasas" : "sasb");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append(m, "s", path ?: l[0]);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append_strv(m, l);
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if (r < 0)
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return bus_log_create_error(r);
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r = is_ex_prop ? sd_bus_message_append_strv(m, ex_opts) : sd_bus_message_append(m, "b", FLAGS_SET(flags, EXEC_COMMAND_IGNORE_FAILURE));
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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}
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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return 1;
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}
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static int bus_append_ip_address_access(sd_bus_message *m, int family, const union in_addr_union *prefix, unsigned char prefixlen) {
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int r;
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assert(m);
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assert(prefix);
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r = sd_bus_message_open_container(m, 'r', "iayu");
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if (r < 0)
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return r;
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r = sd_bus_message_append(m, "i", family);
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if (r < 0)
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return r;
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r = sd_bus_message_append_array(m, 'y', prefix, FAMILY_ADDRESS_SIZE(family));
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if (r < 0)
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return r;
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r = sd_bus_message_append(m, "u", prefixlen);
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if (r < 0)
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return r;
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return sd_bus_message_close_container(m);
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}
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static int bus_append_cgroup_property(sd_bus_message *m, const char *field, const char *eq) {
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int r;
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if (STR_IN_SET(field, "DevicePolicy", "Slice"))
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return bus_append_string(m, field, eq);
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if (STR_IN_SET(field,
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"CPUAccounting", "MemoryAccounting", "IOAccounting", "BlockIOAccounting",
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"TasksAccounting", "IPAccounting"))
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return bus_append_parse_boolean(m, field, eq);
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if (STR_IN_SET(field, "CPUWeight", "StartupCPUWeight", "IOWeight", "StartupIOWeight"))
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return bus_append_cg_weight_parse(m, field, eq);
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if (STR_IN_SET(field, "CPUShares", "StartupCPUShares"))
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return bus_append_cg_cpu_shares_parse(m, field, eq);
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if (STR_IN_SET(field, "AllowedCPUs", "AllowedMemoryNodes")) {
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_cleanup_(cpu_set_reset) CPUSet cpuset = {};
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_cleanup_free_ uint8_t *array = NULL;
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size_t allocated;
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r = parse_cpu_set(eq, &cpuset);
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if (r < 0)
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return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
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r = cpu_set_to_dbus(&cpuset, &array, &allocated);
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if (r < 0)
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return log_error_errno(r, "Failed to serialize CPUSet: %m");
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return bus_append_byte_array(m, field, array, allocated);
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}
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if (STR_IN_SET(field, "BlockIOWeight", "StartupBlockIOWeight"))
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return bus_append_cg_blkio_weight_parse(m, field, eq);
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if (streq(field, "DisableControllers"))
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return bus_append_strv(m, "DisableControllers", eq, EXTRACT_UNQUOTE);
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if (streq(field, "Delegate")) {
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r = parse_boolean(eq);
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if (r < 0)
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return bus_append_strv(m, "DelegateControllers", eq, EXTRACT_UNQUOTE);
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r = sd_bus_message_append(m, "(sv)", "Delegate", "b", r);
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if (r < 0)
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return bus_log_create_error(r);
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return 1;
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}
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|
|
if (STR_IN_SET(field, "MemoryMin", "DefaultMemoryLow", "DefaultMemoryMin", "MemoryLow", "MemoryHigh", "MemoryMax", "MemorySwapMax", "MemoryLimit", "TasksMax")) {
|
|
|
|
if (isempty(eq) || streq(eq, "infinity")) {
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", CGROUP_LIMIT_MAX);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
return 1;
|
|
}
|
|
|
|
r = parse_permille(eq);
|
|
if (r >= 0) {
|
|
char *n;
|
|
|
|
/* When this is a percentage we'll convert this into a relative value in the range 0…UINT32_MAX
|
|
* and pass it in the MemoryLowScale property (and related ones). This way the physical memory
|
|
* size can be determined server-side. */
|
|
|
|
n = strjoina(field, "Scale");
|
|
r = sd_bus_message_append(m, "(sv)", n, "u", (uint32_t) (((uint64_t) r * UINT32_MAX) / 1000U));
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "TasksMax"))
|
|
return bus_append_safe_atou64(m, field, eq);
|
|
|
|
return bus_append_parse_size(m, field, eq, 1024);
|
|
}
|
|
|
|
if (streq(field, "CPUQuota")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", USEC_INFINITY);
|
|
else {
|
|
r = parse_permille_unbounded(eq);
|
|
if (r == 0)
|
|
return log_error_errno(SYNTHETIC_ERRNO(ERANGE),
|
|
"CPU quota too small.");
|
|
if (r < 0)
|
|
return log_error_errno(r, "CPU quota '%s' invalid.", eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", (((uint64_t) r * USEC_PER_SEC) / 1000U));
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "CPUQuotaPeriodSec")) {
|
|
usec_t u = USEC_INFINITY;
|
|
|
|
r = parse_sec_def_infinity(eq, &u);
|
|
if (r < 0)
|
|
return log_error_errno(r, "CPU quota period '%s' invalid.", eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", "CPUQuotaPeriodUSec", "t", u);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "DeviceAllow")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 0);
|
|
else {
|
|
const char *path = eq, *rwm = NULL, *e;
|
|
|
|
e = strchr(eq, ' ');
|
|
if (e) {
|
|
path = strndupa(eq, e - eq);
|
|
rwm = e+1;
|
|
}
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 1, path, strempty(rwm));
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (cgroup_io_limit_type_from_string(field) >= 0 || STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(st)", 0);
|
|
else {
|
|
const char *path, *bandwidth, *e;
|
|
uint64_t bytes;
|
|
|
|
e = strchr(eq, ' ');
|
|
if (!e)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Failed to parse %s value %s.",
|
|
field, eq);
|
|
|
|
path = strndupa(eq, e - eq);
|
|
bandwidth = e+1;
|
|
|
|
if (streq(bandwidth, "infinity"))
|
|
bytes = CGROUP_LIMIT_MAX;
|
|
else {
|
|
r = parse_size(bandwidth, 1000, &bytes);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse byte value %s: %m", bandwidth);
|
|
}
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(st)", 1, path, bytes);
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "IODeviceWeight", "BlockIODeviceWeight")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(st)", 0);
|
|
else {
|
|
const char *path, *weight, *e;
|
|
uint64_t u;
|
|
|
|
e = strchr(eq, ' ');
|
|
if (!e)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Failed to parse %s value %s.",
|
|
field, eq);
|
|
|
|
path = strndupa(eq, e - eq);
|
|
weight = e+1;
|
|
|
|
r = safe_atou64(weight, &u);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value %s: %m", field, weight);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(st)", 1, path, u);
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "IODeviceLatencyTargetSec")) {
|
|
const char *field_usec = "IODeviceLatencyTargetUSec";
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field_usec, "a(st)", USEC_INFINITY);
|
|
else {
|
|
const char *path, *target, *e;
|
|
usec_t usec;
|
|
|
|
e = strchr(eq, ' ');
|
|
if (!e)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Failed to parse %s value %s.",
|
|
field, eq);
|
|
|
|
path = strndupa(eq, e - eq);
|
|
target = e+1;
|
|
|
|
r = parse_sec(target, &usec);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value %s: %m", field, target);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field_usec, "a(st)", 1, path, usec);
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "IPAddressAllow", "IPAddressDeny")) {
|
|
unsigned char prefixlen;
|
|
union in_addr_union prefix = {};
|
|
int family;
|
|
|
|
if (isempty(eq)) {
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(iayu)", 0);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "a(iayu)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "(iayu)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
if (streq(eq, "any")) {
|
|
/* "any" is a shortcut for 0.0.0.0/0 and ::/0 */
|
|
|
|
r = bus_append_ip_address_access(m, AF_INET, &prefix, 0);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = bus_append_ip_address_access(m, AF_INET6, &prefix, 0);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
} else if (is_localhost(eq)) {
|
|
/* "localhost" is a shortcut for 127.0.0.0/8 and ::1/128 */
|
|
|
|
prefix.in.s_addr = htobe32(0x7f000000);
|
|
r = bus_append_ip_address_access(m, AF_INET, &prefix, 8);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
prefix.in6 = (struct in6_addr) IN6ADDR_LOOPBACK_INIT;
|
|
r = bus_append_ip_address_access(m, AF_INET6, &prefix, 128);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
} else if (streq(eq, "link-local")) {
|
|
/* "link-local" is a shortcut for 169.254.0.0/16 and fe80::/64 */
|
|
|
|
prefix.in.s_addr = htobe32((UINT32_C(169) << 24 | UINT32_C(254) << 16));
|
|
r = bus_append_ip_address_access(m, AF_INET, &prefix, 16);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
prefix.in6 = (struct in6_addr) {
|
|
.s6_addr32[0] = htobe32(0xfe800000)
|
|
};
|
|
r = bus_append_ip_address_access(m, AF_INET6, &prefix, 64);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
} else if (streq(eq, "multicast")) {
|
|
/* "multicast" is a shortcut for 224.0.0.0/4 and ff00::/8 */
|
|
|
|
prefix.in.s_addr = htobe32((UINT32_C(224) << 24));
|
|
r = bus_append_ip_address_access(m, AF_INET, &prefix, 4);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
prefix.in6 = (struct in6_addr) {
|
|
.s6_addr32[0] = htobe32(0xff000000)
|
|
};
|
|
r = bus_append_ip_address_access(m, AF_INET6, &prefix, 8);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
} else {
|
|
for (;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
|
|
r = extract_first_word(&eq, &word, NULL, 0);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s: %s", field, eq);
|
|
|
|
r = in_addr_prefix_from_string_auto(word, &family, &prefix, &prefixlen);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse IP address prefix: %s", word);
|
|
|
|
r = bus_append_ip_address_access(m, family, &prefix, prefixlen);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "IPIngressFilterPath", "IPEgressFilterPath")) {
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field, "as", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", field, "as", 1, eq);
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_automount_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
|
|
if (streq(field, "Where"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (streq(field, "DirectoryMode"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (streq(field, "TimeoutIdleSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_execute_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
const char *suffix;
|
|
int r;
|
|
|
|
if (STR_IN_SET(field,
|
|
"User", "Group",
|
|
"UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath",
|
|
"WorkingDirectory", "RootDirectory", "SyslogIdentifier",
|
|
"ProtectSystem", "ProtectHome", "SELinuxContext", "RootImage",
|
|
"RuntimeDirectoryPreserve", "Personality", "KeyringMode", "NetworkNamespacePath"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "TTYVTDisallocate", "PrivateTmp",
|
|
"PrivateDevices", "PrivateNetwork", "PrivateUsers", "PrivateMounts",
|
|
"NoNewPrivileges", "SyslogLevelPrefix", "MemoryDenyWriteExecute", "RestrictRealtime",
|
|
"DynamicUser", "RemoveIPC", "ProtectKernelTunables", "ProtectKernelModules",
|
|
"ProtectControlGroups", "MountAPIVFS", "CPUSchedulingResetOnFork", "LockPersonality",
|
|
"ProtectHostname", "RestrictSUIDSGID"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories",
|
|
"ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths",
|
|
"RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory",
|
|
"SupplementaryGroups", "SystemCallArchitectures"))
|
|
|
|
return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE);
|
|
|
|
if (STR_IN_SET(field, "SyslogLevel", "LogLevelMax"))
|
|
|
|
return bus_append_log_level_from_string(m, field, eq);
|
|
|
|
if (streq(field, "SyslogFacility"))
|
|
|
|
return bus_append_log_facility_unshifted_from_string(m, field, eq);
|
|
|
|
if (streq(field, "SecureBits"))
|
|
|
|
return bus_append_secure_bits_from_string(m, field, eq);
|
|
|
|
if (streq(field, "CPUSchedulingPolicy"))
|
|
|
|
return bus_append_sched_policy_from_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "CPUSchedulingPriority", "OOMScoreAdjust"))
|
|
|
|
return bus_append_safe_atoi(m, field, eq);
|
|
|
|
if (streq(field, "Nice"))
|
|
|
|
return bus_append_parse_nice(m, field, eq);
|
|
|
|
if (streq(field, "SystemCallErrorNumber"))
|
|
|
|
return bus_append_parse_errno(m, field, eq);
|
|
|
|
if (streq(field, "IOSchedulingClass"))
|
|
|
|
return bus_append_ioprio_class_from_string(m, field, eq);
|
|
|
|
if (streq(field, "IOSchedulingPriority"))
|
|
|
|
return bus_append_ioprio_parse_priority(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"RuntimeDirectoryMode", "StateDirectoryMode", "CacheDirectoryMode",
|
|
"LogsDirectoryMode", "ConfigurationDirectoryMode", "UMask"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (streq(field, "TimerSlackNSec"))
|
|
|
|
return bus_append_parse_nsec(m, field, eq);
|
|
|
|
if (streq(field, "LogRateLimitIntervalSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (streq(field, "LogRateLimitBurst"))
|
|
|
|
return bus_append_safe_atou(m, field, eq);
|
|
|
|
if (streq(field, "MountFlags"))
|
|
|
|
return bus_append_mount_propagation_flags_from_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "Environment", "UnsetEnvironment", "PassEnvironment"))
|
|
|
|
return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE);
|
|
|
|
if (streq(field, "EnvironmentFile")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "EnvironmentFiles", "a(sb)", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", "EnvironmentFiles", "a(sb)", 1,
|
|
eq[0] == '-' ? eq + 1 : eq,
|
|
eq[0] == '-');
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "LogExtraFields")) {
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, 's', "LogExtraFields");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "aay");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "ay");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_array(m, 'y', eq, strlen(eq));
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "StandardInput", "StandardOutput", "StandardError")) {
|
|
const char *n, *appended;
|
|
|
|
if ((n = startswith(eq, "fd:"))) {
|
|
appended = strjoina(field, "FileDescriptorName");
|
|
r = sd_bus_message_append(m, "(sv)", appended, "s", n);
|
|
} else if ((n = startswith(eq, "file:"))) {
|
|
appended = strjoina(field, "File");
|
|
r = sd_bus_message_append(m, "(sv)", appended, "s", n);
|
|
} else if ((n = startswith(eq, "append:"))) {
|
|
appended = strjoina(field, "FileToAppend");
|
|
r = sd_bus_message_append(m, "(sv)", appended, "s", n);
|
|
} else
|
|
r = sd_bus_message_append(m, "(sv)", field, "s", eq);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "StandardInputText")) {
|
|
_cleanup_free_ char *unescaped = NULL;
|
|
|
|
r = cunescape(eq, 0, &unescaped);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to unescape text '%s': %m", eq);
|
|
|
|
if (!strextend(&unescaped, "\n", NULL))
|
|
return log_oom();
|
|
|
|
/* Note that we don't expand specifiers here, but that should be OK, as this is a programmatic
|
|
* interface anyway */
|
|
|
|
return bus_append_byte_array(m, field, unescaped, strlen(unescaped));
|
|
}
|
|
|
|
if (streq(field, "StandardInputData")) {
|
|
_cleanup_free_ void *decoded = NULL;
|
|
size_t sz;
|
|
|
|
r = unbase64mem(eq, (size_t) -1, &decoded, &sz);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to decode base64 data '%s': %m", eq);
|
|
|
|
return bus_append_byte_array(m, field, decoded, sz);
|
|
}
|
|
|
|
if ((suffix = startswith(field, "Limit"))) {
|
|
int rl;
|
|
|
|
rl = rlimit_from_string(suffix);
|
|
if (rl >= 0) {
|
|
const char *sn;
|
|
struct rlimit l;
|
|
|
|
r = rlimit_parse(rl, eq, &l);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse resource limit: %s", eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", l.rlim_max);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
sn = strjoina(field, "Soft");
|
|
r = sd_bus_message_append(m, "(sv)", sn, "t", l.rlim_cur);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (STR_IN_SET(field, "AppArmorProfile", "SmackProcessLabel")) {
|
|
int ignore = 0;
|
|
const char *s = eq;
|
|
|
|
if (eq[0] == '-') {
|
|
ignore = 1;
|
|
s = eq + 1;
|
|
}
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "(bs)", ignore, s);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "CapabilityBoundingSet", "AmbientCapabilities")) {
|
|
uint64_t sum = 0;
|
|
bool invert = false;
|
|
const char *p = eq;
|
|
|
|
if (*p == '~') {
|
|
invert = true;
|
|
p++;
|
|
}
|
|
|
|
r = capability_set_from_string(p, &sum);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq);
|
|
|
|
sum = invert ? ~sum : sum;
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", sum);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "CPUAffinity")) {
|
|
_cleanup_(cpu_set_reset) CPUSet cpuset = {};
|
|
_cleanup_free_ uint8_t *array = NULL;
|
|
size_t allocated;
|
|
|
|
r = parse_cpu_set(eq, &cpuset);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
|
|
|
|
r = cpu_set_to_dbus(&cpuset, &array, &allocated);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to serialize CPUAffinity: %m");
|
|
|
|
return bus_append_byte_array(m, field, array, allocated);
|
|
}
|
|
|
|
if (streq(field, "NUMAPolicy")) {
|
|
r = mpol_from_string(eq);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "i", (int32_t) r);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "NUMAMask")) {
|
|
_cleanup_(cpu_set_reset) CPUSet nodes = {};
|
|
_cleanup_free_ uint8_t *array = NULL;
|
|
size_t allocated;
|
|
|
|
r = parse_cpu_set(eq, &nodes);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
|
|
|
|
r = cpu_set_to_dbus(&nodes, &array, &allocated);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to serialize NUMAMask: %m");
|
|
|
|
return bus_append_byte_array(m, field, array, allocated);
|
|
}
|
|
|
|
if (STR_IN_SET(field, "RestrictAddressFamilies", "SystemCallFilter")) {
|
|
int whitelist = 1;
|
|
const char *p = eq;
|
|
|
|
if (*p == '~') {
|
|
whitelist = 0;
|
|
p++;
|
|
}
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "(bas)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "bas");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, 'b', &whitelist);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "s");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0)
|
|
return log_error_errno(r, "Invalid syntax: %s", eq);
|
|
|
|
r = sd_bus_message_append_basic(m, 's', word);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "RestrictNamespaces")) {
|
|
bool invert = false;
|
|
unsigned long flags;
|
|
|
|
r = parse_boolean(eq);
|
|
if (r > 0)
|
|
flags = 0;
|
|
else if (r == 0)
|
|
flags = NAMESPACE_FLAGS_ALL;
|
|
else {
|
|
if (eq[0] == '~') {
|
|
invert = true;
|
|
eq++;
|
|
}
|
|
|
|
r = namespace_flags_from_string(eq, &flags);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value %s.", field, eq);
|
|
}
|
|
|
|
if (invert)
|
|
flags = (~flags) & NAMESPACE_FLAGS_ALL;
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", (uint64_t) flags);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "BindPaths", "BindReadOnlyPaths")) {
|
|
const char *p = eq;
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "a(ssbt)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "(ssbt)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (;;) {
|
|
_cleanup_free_ char *source = NULL, *destination = NULL;
|
|
char *s = NULL, *d = NULL;
|
|
bool ignore_enoent = false;
|
|
uint64_t flags = MS_REC;
|
|
|
|
r = extract_first_word(&p, &source, ":" WHITESPACE, EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
if (r == 0)
|
|
break;
|
|
|
|
s = source;
|
|
if (s[0] == '-') {
|
|
ignore_enoent = true;
|
|
s++;
|
|
}
|
|
|
|
if (p && p[-1] == ':') {
|
|
r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
if (r == 0)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Missing argument after ':': %s",
|
|
eq);
|
|
|
|
d = destination;
|
|
|
|
if (p && p[-1] == ':') {
|
|
_cleanup_free_ char *options = NULL;
|
|
|
|
r = extract_first_word(&p, &options, NULL, EXTRACT_UNQUOTE);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
|
|
if (isempty(options) || streq(options, "rbind"))
|
|
flags = MS_REC;
|
|
else if (streq(options, "norbind"))
|
|
flags = 0;
|
|
else
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Unknown options: %s",
|
|
eq);
|
|
}
|
|
} else
|
|
d = s;
|
|
|
|
r = sd_bus_message_append(m, "(ssbt)", s, d, ignore_enoent, flags);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "TemporaryFileSystem")) {
|
|
const char *p = eq;
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "a(ss)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "(ss)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (;;) {
|
|
_cleanup_free_ char *word = NULL, *path = NULL;
|
|
const char *w;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
if (r == 0)
|
|
break;
|
|
|
|
w = word;
|
|
r = extract_first_word(&w, &path, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
if (r == 0)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Failed to parse argument: %s",
|
|
p);
|
|
|
|
r = sd_bus_message_append(m, "(ss)", path, w);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_kill_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
|
|
if (streq(field, "KillMode"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "SendSIGHUP", "SendSIGKILL"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "KillSignal", "FinalKillSignal", "WatchdogSignal"))
|
|
|
|
return bus_append_signal_from_string(m, field, eq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_mount_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
|
|
if (STR_IN_SET(field, "What", "Where", "Options", "Type"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (streq(field, "TimeoutSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (streq(field, "DirectoryMode"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "SloppyOptions", "LazyUnmount", "ForceUnmount"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_path_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (streq(field, "MakeDirectory"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (streq(field, "DirectoryMode"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"PathExists", "PathExistsGlob", "PathChanged",
|
|
"PathModified", "DirectoryNotEmpty")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "Paths", "a(ss)", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", "Paths", "a(ss)", 1, field, eq);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_service_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (STR_IN_SET(field,
|
|
"PIDFile", "Type", "Restart", "BusName", "NotifyAccess",
|
|
"USBFunctionDescriptors", "USBFunctionStrings", "OOMPolicy"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "PermissionsStartOnly", "RootDirectoryStartOnly", "RemainAfterExit", "GuessMainPID"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "RestartSec", "TimeoutStartSec", "TimeoutStopSec", "RuntimeMaxSec", "WatchdogSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (streq(field, "TimeoutSec")) {
|
|
|
|
r = bus_append_parse_sec_rename(m, "TimeoutStartSec", eq);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
return bus_append_parse_sec_rename(m, "TimeoutStopSec", eq);
|
|
}
|
|
|
|
if (streq(field, "FileDescriptorStoreMax"))
|
|
|
|
return bus_append_safe_atou(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"ExecCondition", "ExecStartPre", "ExecStart", "ExecStartPost",
|
|
"ExecConditionEx", "ExecStartPreEx", "ExecStartEx", "ExecStartPostEx",
|
|
"ExecReload", "ExecStop", "ExecStopPost",
|
|
"ExecReloadEx", "ExecStopEx", "ExecStopPostEx"))
|
|
return bus_append_exec_command(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "RestartPreventExitStatus", "RestartForceExitStatus", "SuccessExitStatus")) {
|
|
_cleanup_free_ int *status = NULL, *signal = NULL;
|
|
size_t n_status = 0, n_signal = 0;
|
|
const char *p;
|
|
|
|
for (p = eq;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0)
|
|
return log_error_errno(r, "Invalid syntax in %s: %s", field, eq);
|
|
|
|
/* We need to call exit_status_from_string() first, because we want
|
|
* to parse numbers as exit statuses, not signals. */
|
|
|
|
r = exit_status_from_string(word);
|
|
if (r >= 0) {
|
|
assert(r >= 0 && r < 256);
|
|
|
|
status = reallocarray(status, n_status + 1, sizeof(int));
|
|
if (!status)
|
|
return log_oom();
|
|
|
|
status[n_status++] = r;
|
|
|
|
} else if ((r = signal_from_string(word)) >= 0) {
|
|
signal = reallocarray(signal, n_signal + 1, sizeof(int));
|
|
if (!signal)
|
|
return log_oom();
|
|
|
|
signal[n_signal++] = r;
|
|
|
|
} else
|
|
/* original r from exit_status_to_string() */
|
|
return log_error_errno(r, "Invalid status or signal %s in %s: %m",
|
|
word, field);
|
|
}
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "(aiai)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "aiai");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_array(m, 'i', status, n_status * sizeof(int));
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_array(m, 'i', signal, n_signal * sizeof(int));
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_socket_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (STR_IN_SET(field,
|
|
"Accept", "Writable", "KeepAlive", "NoDelay", "FreeBind", "Transparent", "Broadcast",
|
|
"PassCredentials", "PassSecurity", "ReusePort", "RemoveOnStop", "SELinuxContextFromNet"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "Priority", "IPTTL", "Mark"))
|
|
|
|
return bus_append_safe_atoi(m, field, eq);
|
|
|
|
if (streq(field, "IPTOS"))
|
|
|
|
return bus_append_ip_tos_from_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "Backlog", "MaxConnections", "MaxConnectionsPerSource", "KeepAliveProbes", "TriggerLimitBurst"))
|
|
|
|
return bus_append_safe_atou(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "SocketMode", "DirectoryMode"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "MessageQueueMaxMessages", "MessageQueueMessageSize"))
|
|
|
|
return bus_append_safe_atoi64(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "TimeoutSec", "KeepAliveTimeSec", "KeepAliveIntervalSec", "DeferAcceptSec", "TriggerLimitIntervalSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "ReceiveBuffer", "SendBuffer", "PipeSize"))
|
|
|
|
return bus_append_parse_size(m, field, eq, 1024);
|
|
|
|
if (STR_IN_SET(field, "ExecStartPre", "ExecStartPost", "ExecReload", "ExecStopPost"))
|
|
|
|
return bus_append_exec_command(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"SmackLabel", "SmackLabelIPIn", "SmackLabelIPOut", "TCPCongestion",
|
|
"BindToDevice", "BindIPv6Only", "FileDescriptorName",
|
|
"SocketUser", "SocketGroup"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (streq(field, "Symlinks"))
|
|
|
|
return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE);
|
|
|
|
if (streq(field, "SocketProtocol"))
|
|
|
|
return bus_append_parse_ip_protocol(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"ListenStream", "ListenDatagram", "ListenSequentialPacket", "ListenNetlink",
|
|
"ListenSpecial", "ListenMessageQueue", "ListenFIFO", "ListenUSBFunction")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 1, field + STRLEN("Listen"), eq);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
static int bus_append_timer_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (STR_IN_SET(field, "WakeSystem", "RemainAfterElapse", "Persistent",
|
|
"OnTimezoneChange", "OnClockChange"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "AccuracySec", "RandomizedDelaySec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"OnActiveSec", "OnBootSec", "OnStartupSec",
|
|
"OnUnitActiveSec","OnUnitInactiveSec")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "TimersMonotonic", "a(st)", 0);
|
|
else {
|
|
usec_t t;
|
|
r = parse_sec(eq, &t);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", "TimersMonotonic", "a(st)", 1, field, t);
|
|
}
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "OnCalendar")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "TimersCalendar", "a(ss)", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", "TimersCalendar", "a(ss)", 1, field, eq);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_unit_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
ConditionType t = _CONDITION_TYPE_INVALID;
|
|
bool is_condition = false;
|
|
int r;
|
|
|
|
if (STR_IN_SET(field,
|
|
"Description", "SourcePath", "OnFailureJobMode",
|
|
"JobTimeoutAction", "JobTimeoutRebootArgument",
|
|
"StartLimitAction", "FailureAction", "SuccessAction",
|
|
"RebootArgument", "CollectMode"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"StopWhenUnneeded", "RefuseManualStart", "RefuseManualStop",
|
|
"AllowIsolate", "IgnoreOnIsolate", "DefaultDependencies"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "JobTimeoutSec", "JobRunningTimeoutSec", "StartLimitIntervalSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (streq(field, "StartLimitBurst"))
|
|
|
|
return bus_append_safe_atou(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "SuccessActionExitStatus", "FailureActionExitStatus")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field, "i", -1);
|
|
else {
|
|
uint8_t u;
|
|
|
|
r = safe_atou8(eq, &u);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s=%s", field, eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "i", (int) u);
|
|
}
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (unit_dependency_from_string(field) >= 0 ||
|
|
STR_IN_SET(field, "Documentation", "RequiresMountsFor"))
|
|
|
|
return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE);
|
|
|
|
t = condition_type_from_string(field);
|
|
if (t >= 0)
|
|
is_condition = true;
|
|
else
|
|
t = assert_type_from_string(field);
|
|
if (t >= 0) {
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 0);
|
|
else {
|
|
const char *p = eq;
|
|
int trigger, negate;
|
|
|
|
trigger = *p == '|';
|
|
if (trigger)
|
|
p++;
|
|
|
|
negate = *p == '!';
|
|
if (negate)
|
|
p++;
|
|
|
|
r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 1,
|
|
field, trigger, negate, p);
|
|
}
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bus_append_unit_property_assignment(sd_bus_message *m, UnitType t, const char *assignment) {
|
|
const char *eq, *field;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(assignment);
|
|
|
|
eq = strchr(assignment, '=');
|
|
if (!eq)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Not an assignment: %s", assignment);
|
|
|
|
field = strndupa(assignment, eq - assignment);
|
|
eq++;
|
|
|
|
switch (t) {
|
|
case UNIT_SERVICE:
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_execute_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_kill_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_service_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_SOCKET:
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_execute_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_kill_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_socket_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_TIMER:
|
|
r = bus_append_timer_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_PATH:
|
|
r = bus_append_path_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_SLICE:
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_SCOPE:
|
|
|
|
if (streq(field, "TimeoutStopSec"))
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_kill_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_MOUNT:
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_execute_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_kill_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_mount_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
break;
|
|
|
|
case UNIT_AUTOMOUNT:
|
|
r = bus_append_automount_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
break;
|
|
|
|
case UNIT_TARGET:
|
|
case UNIT_DEVICE:
|
|
case UNIT_SWAP:
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Not supported unit type");
|
|
|
|
default:
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Invalid unit type");
|
|
}
|
|
|
|
r = bus_append_unit_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Unknown assignment: %s", assignment);
|
|
}
|
|
|
|
int bus_append_unit_property_assignment_many(sd_bus_message *m, UnitType t, char **l) {
|
|
char **i;
|
|
int r;
|
|
|
|
assert(m);
|
|
|
|
STRV_FOREACH(i, l) {
|
|
r = bus_append_unit_property_assignment(m, t, *i);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, size_t *n_changes) {
|
|
const char *type, *path, *source;
|
|
int r;
|
|
|
|
/* changes is dereferenced when calling unit_file_dump_changes() later,
|
|
* so we have to make sure this is not NULL. */
|
|
assert(changes);
|
|
assert(n_changes);
|
|
|
|
r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)");
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) {
|
|
/* We expect only "success" changes to be sent over the bus.
|
|
Hence, reject anything negative. */
|
|
UnitFileChangeType ch = unit_file_change_type_from_string(type);
|
|
|
|
if (ch < 0) {
|
|
log_notice("Manager reported unknown change type \"%s\" for path \"%s\", ignoring.", type, path);
|
|
continue;
|
|
}
|
|
|
|
r = unit_file_changes_add(changes, n_changes, ch, path, source);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = sd_bus_message_exit_container(m);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
unit_file_dump_changes(0, NULL, *changes, *n_changes, quiet);
|
|
return 0;
|
|
}
|
|
|
|
int unit_load_state(sd_bus *bus, const char *name, char **load_state) {
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_free_ char *path = NULL;
|
|
int r;
|
|
|
|
path = unit_dbus_path_from_name(name);
|
|
if (!path)
|
|
return log_oom();
|
|
|
|
/* This function warns on it's own, because otherwise it'd be awkward to pass
|
|
* the dbus error message around. */
|
|
|
|
r = sd_bus_get_property_string(
|
|
bus,
|
|
"org.freedesktop.systemd1",
|
|
path,
|
|
"org.freedesktop.systemd1.Unit",
|
|
"LoadState",
|
|
&error,
|
|
load_state);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to get load state of %s: %s", name, bus_error_message(&error, r));
|
|
|
|
return 0;
|
|
}
|