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-rw-r--r--src/shared/bus-unit-util.c2547
1 files changed, 2547 insertions, 0 deletions
diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c
new file mode 100644
index 0000000..9a8051d
--- /dev/null
+++ b/src/shared/bus-unit-util.c
@@ -0,0 +1,2547 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "alloc-util.h"
+#include "bus-internal.h"
+#include "bus-unit-util.h"
+#include "bus-util.h"
+#include "cap-list.h"
+#include "cgroup-util.h"
+#include "condition.h"
+#include "cpu-set-util.h"
+#include "env-util.h"
+#include "errno-list.h"
+#include "escape.h"
+#include "hashmap.h"
+#include "hexdecoct.h"
+#include "hostname-util.h"
+#include "in-addr-util.h"
+#include "ip-protocol-list.h"
+#include "list.h"
+#include "locale-util.h"
+#include "missing_fs.h"
+#include "mountpoint-util.h"
+#include "nsflags.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "process-util.h"
+#include "rlimit-util.h"
+#include "securebits-util.h"
+#include "signal-util.h"
+#include "string-util.h"
+#include "syslog-util.h"
+#include "terminal-util.h"
+#include "unit-def.h"
+#include "user-util.h"
+#include "utf8.h"
+#include "util.h"
+
+int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
+ assert(message);
+ assert(u);
+
+ u->machine = NULL;
+
+ return sd_bus_message_read(
+ message,
+ "(ssssssouso)",
+ &u->id,
+ &u->description,
+ &u->load_state,
+ &u->active_state,
+ &u->sub_state,
+ &u->following,
+ &u->unit_path,
+ &u->job_id,
+ &u->job_type,
+ &u->job_path);
+}
+
+#define DEFINE_BUS_APPEND_PARSE_PTR(bus_type, cast_type, type, parse_func) \
+ static int bus_append_##parse_func( \
+ sd_bus_message *m, \
+ const char *field, \
+ const char *eq) { \
+ type val; \
+ int r; \
+ \
+ r = parse_func(eq, &val); \
+ if (r < 0) \
+ return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq); \
+ \
+ r = sd_bus_message_append(m, "(sv)", field, \
+ bus_type, (cast_type) val); \
+ if (r < 0) \
+ return bus_log_create_error(r); \
+ \
+ return 1; \
+ }
+
+#define DEFINE_BUS_APPEND_PARSE(bus_type, parse_func) \
+ static int bus_append_##parse_func( \
+ sd_bus_message *m, \
+ const char *field, \
+ const char *eq) { \
+ int r; \
+ \
+ r = parse_func(eq); \
+ if (r < 0) \
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to parse %s: %s", field, eq); \
+ \
+ r = sd_bus_message_append(m, "(sv)", field, \
+ bus_type, (int32_t) r); \
+ if (r < 0) \
+ return bus_log_create_error(r); \
+ \
+ return 1; \
+ }
+
+DEFINE_BUS_APPEND_PARSE("b", parse_boolean);
+DEFINE_BUS_APPEND_PARSE("i", ioprio_class_from_string);
+DEFINE_BUS_APPEND_PARSE("i", ip_tos_from_string);
+DEFINE_BUS_APPEND_PARSE("i", log_facility_unshifted_from_string);
+DEFINE_BUS_APPEND_PARSE("i", log_level_from_string);
+DEFINE_BUS_APPEND_PARSE("i", parse_errno);
+DEFINE_BUS_APPEND_PARSE("i", sched_policy_from_string);
+DEFINE_BUS_APPEND_PARSE("i", secure_bits_from_string);
+DEFINE_BUS_APPEND_PARSE("i", signal_from_string);
+DEFINE_BUS_APPEND_PARSE("i", parse_ip_protocol);
+DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, ioprio_parse_priority);
+DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, parse_nice);
+DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, safe_atoi);
+DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, nsec_t, parse_nsec);
+DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_blkio_weight_parse);
+DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_cpu_shares_parse);
+DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_weight_parse);
+DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, unsigned long, mount_propagation_flags_from_string);
+DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, safe_atou64);
+DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, mode_t, parse_mode);
+DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, unsigned, safe_atou);
+DEFINE_BUS_APPEND_PARSE_PTR("x", int64_t, int64_t, safe_atoi64);
+
+static int bus_append_string(sd_bus_message *m, const char *field, const char *eq) {
+ int r;
+
+ r = sd_bus_message_append(m, "(sv)", field, "s", eq);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ return 1;
+}
+
+static int bus_append_strv(sd_bus_message *m, const char *field, const char *eq, ExtractFlags flags) {
+ const char *p;
+ int r;
+
+ 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', field);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, 'v', "as");
+ 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 (p = eq;;) {
+ _cleanup_free_ char *word = NULL;
+
+ r = extract_first_word(&p, &word, NULL, flags);
+ 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);
+
+ return 1;
+}
+
+static int bus_append_byte_array(sd_bus_message *m, const char *field, const void *buf, size_t n) {
+ int r;
+
+ 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', "ay");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_array(m, 'y', buf, n);
+ 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;
+}
+
+static int bus_append_parse_sec_rename(sd_bus_message *m, const char *field, const char *eq) {
+ char *n;
+ usec_t t;
+ size_t l;
+ int r;
+
+ r = parse_sec(eq, &t);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
+
+ l = strlen(field);
+ n = newa(char, l + 2);
+ /* Change suffix Sec → USec */
+ strcpy(mempcpy(n, field, l - 3), "USec");
+
+ r = sd_bus_message_append(m, "(sv)", n, "t", t);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ return 1;
+}
+
+static int bus_append_parse_size(sd_bus_message *m, const char *field, const char *eq, uint64_t base) {
+ uint64_t v;
+ int r;
+
+ r = parse_size(eq, base, &v);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
+
+ r = sd_bus_message_append(m, "(sv)", field, "t", v);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ return 1;
+}
+
+static int bus_append_exec_command(sd_bus_message *m, const char *field, const char *eq) {
+ bool ignore_failure = false, explicit_path = false, done = false;
+ _cleanup_strv_free_ char **l = NULL;
+ _cleanup_free_ char *path = NULL;
+ int r;
+
+ do {
+ switch (*eq) {
+
+ case '-':
+ if (ignore_failure)
+ done = true;
+ else {
+ ignore_failure = true;
+ eq++;
+ }
+ break;
+
+ case '@':
+ if (explicit_path)
+ done = true;
+ else {
+ explicit_path = true;
+ eq++;
+ }
+ break;
+
+ case '+':
+ case '!':
+ /* The bus API doesn't support +, ! and !! currently, unfortunately. :-( */
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "Sorry, but +, ! and !! are currently not supported for transient services.");
+
+ default:
+ done = true;
+ break;
+ }
+ } while (!done);
+
+ if (explicit_path) {
+ r = extract_first_word(&eq, &path, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse path: %m");
+ }
+
+ r = strv_split_extract(&l, eq, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse command line: %m");
+
+ 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(sasb)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, 'a', "(sasb)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (!strv_isempty(l)) {
+
+ r = sd_bus_message_open_container(m, 'r', "sasb");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "s", path ?: l[0]);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, l);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "b", ignore_failure);
+ 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;
+}
+
+static int bus_append_ip_address_access(sd_bus_message *m, int family, const union in_addr_union *prefix, unsigned char prefixlen) {
+ int r;
+
+ assert(m);
+ assert(prefix);
+
+ r = sd_bus_message_open_container(m, 'r', "iayu");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "i", family);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_array(m, 'y', prefix, FAMILY_ADDRESS_SIZE(family));
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "u", prefixlen);
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_close_container(m);
+}
+
+static int bus_append_cgroup_property(sd_bus_message *m, const char *field, const char *eq) {
+ int r;
+
+ if (STR_IN_SET(field, "DevicePolicy", "Slice"))
+
+ return bus_append_string(m, field, eq);
+
+ if (STR_IN_SET(field,
+ "CPUAccounting", "MemoryAccounting", "IOAccounting", "BlockIOAccounting",
+ "TasksAccounting", "IPAccounting"))
+
+ return bus_append_parse_boolean(m, field, eq);
+
+ if (STR_IN_SET(field, "CPUWeight", "StartupCPUWeight", "IOWeight", "StartupIOWeight"))
+
+ return bus_append_cg_weight_parse(m, field, eq);
+
+ if (STR_IN_SET(field, "CPUShares", "StartupCPUShares"))
+
+ return bus_append_cg_cpu_shares_parse(m, field, eq);
+
+ if (STR_IN_SET(field, "BlockIOWeight", "StartupBlockIOWeight"))
+
+ return bus_append_cg_blkio_weight_parse(m, field, eq);
+
+ if (streq(field, "Delegate")) {
+
+ r = parse_boolean(eq);
+ if (r < 0)
+ return bus_append_strv(m, "DelegateControllers", eq, EXTRACT_QUOTES);
+
+ r = sd_bus_message_append(m, "(sv)", "Delegate", "b", r);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ return 1;
+ }
+
+ if (STR_IN_SET(field, "MemoryMin", "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, "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;
+ }
+
+ 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"))
+
+ 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"))
+
+ 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_QUOTES);
+
+ 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_QUOTES|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_free_ cpu_set_t *cpuset = NULL;
+
+ r = parse_cpu_set(eq, &cpuset);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
+
+ return bus_append_byte_array(m, field, cpuset, CPU_ALLOC_SIZE(r));
+ }
+
+ 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_QUOTES);
+ 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_QUOTES|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_QUOTES|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_QUOTES);
+ 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_QUOTES);
+ 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"))
+
+ 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,
+ "ExecStartPre", "ExecStart", "ExecStartPost",
+ "ExecReload", "ExecStop", "ExecStopPost"))
+
+ 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 sz_status = 0, sz_signal = 0;
+ const char *p;
+
+ for (p = eq;;) {
+ _cleanup_free_ char *word = NULL;
+ int val;
+
+ r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+ 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);
+
+ r = safe_atoi(word, &val);
+ if (r < 0) {
+ val = signal_from_string(word);
+ if (val < 0)
+ return log_error_errno(r, "Invalid status or signal %s in %s: %m", word, field);
+
+ signal = reallocarray(signal, sz_signal + 1, sizeof(int));
+ if (!signal)
+ return log_oom();
+
+ signal[sz_signal++] = val;
+ } else {
+ status = reallocarray(status, sz_status + 1, sizeof(int));
+ if (!status)
+ return log_oom();
+
+ status[sz_status++] = val;
+ }
+ }
+
+ 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, sz_status);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_array(m, 'i', signal, sz_signal);
+ 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_QUOTES);
+
+ 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"))
+
+ 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_QUOTES);
+
+ 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;
+}
+
+typedef struct BusWaitForJobs {
+ sd_bus *bus;
+ Set *jobs;
+
+ char *name;
+ char *result;
+
+ sd_bus_slot *slot_job_removed;
+ sd_bus_slot *slot_disconnected;
+} BusWaitForJobs;
+
+static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ assert(m);
+
+ log_error("Warning! D-Bus connection terminated.");
+ sd_bus_close(sd_bus_message_get_bus(m));
+
+ return 0;
+}
+
+static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ const char *path, *unit, *result;
+ BusWaitForJobs *d = userdata;
+ uint32_t id;
+ char *found;
+ int r;
+
+ assert(m);
+ assert(d);
+
+ r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return 0;
+ }
+
+ found = set_remove(d->jobs, (char*) path);
+ if (!found)
+ return 0;
+
+ free(found);
+
+ if (!isempty(result))
+ d->result = strdup(result);
+
+ if (!isempty(unit))
+ d->name = strdup(unit);
+
+ return 0;
+}
+
+void bus_wait_for_jobs_free(BusWaitForJobs *d) {
+ if (!d)
+ return;
+
+ set_free_free(d->jobs);
+
+ sd_bus_slot_unref(d->slot_disconnected);
+ sd_bus_slot_unref(d->slot_job_removed);
+
+ sd_bus_unref(d->bus);
+
+ free(d->name);
+ free(d->result);
+
+ free(d);
+}
+
+int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) {
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL;
+ int r;
+
+ assert(bus);
+ assert(ret);
+
+ d = new0(BusWaitForJobs, 1);
+ if (!d)
+ return -ENOMEM;
+
+ d->bus = sd_bus_ref(bus);
+
+ /* When we are a bus client we match by sender. Direct
+ * connections OTOH have no initialized sender field, and
+ * hence we ignore the sender then */
+ r = sd_bus_match_signal_async(
+ bus,
+ &d->slot_job_removed,
+ bus->bus_client ? "org.freedesktop.systemd1" : NULL,
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "JobRemoved",
+ match_job_removed, NULL, d);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_match_signal_async(
+ bus,
+ &d->slot_disconnected,
+ "org.freedesktop.DBus.Local",
+ NULL,
+ "org.freedesktop.DBus.Local",
+ "Disconnected",
+ match_disconnected, NULL, d);
+ if (r < 0)
+ return r;
+
+ *ret = TAKE_PTR(d);
+
+ return 0;
+}
+
+static int bus_process_wait(sd_bus *bus) {
+ int r;
+
+ for (;;) {
+ r = sd_bus_process(bus, NULL);
+ if (r < 0)
+ return r;
+ if (r > 0)
+ return 0;
+
+ r = sd_bus_wait(bus, (uint64_t) -1);
+ if (r < 0)
+ return r;
+ }
+}
+
+static int bus_job_get_service_result(BusWaitForJobs *d, char **result) {
+ _cleanup_free_ char *dbus_path = NULL;
+
+ assert(d);
+ assert(d->name);
+ assert(result);
+
+ if (!endswith(d->name, ".service"))
+ return -EINVAL;
+
+ dbus_path = unit_dbus_path_from_name(d->name);
+ if (!dbus_path)
+ return -ENOMEM;
+
+ return sd_bus_get_property_string(d->bus,
+ "org.freedesktop.systemd1",
+ dbus_path,
+ "org.freedesktop.systemd1.Service",
+ "Result",
+ NULL,
+ result);
+}
+
+static const struct {
+ const char *result, *explanation;
+} explanations [] = {
+ { "resources", "of unavailable resources or another system error" },
+ { "protocol", "the service did not take the steps required by its unit configuration" },
+ { "timeout", "a timeout was exceeded" },
+ { "exit-code", "the control process exited with error code" },
+ { "signal", "a fatal signal was delivered to the control process" },
+ { "core-dump", "a fatal signal was delivered causing the control process to dump core" },
+ { "watchdog", "the service failed to send watchdog ping" },
+ { "start-limit", "start of the service was attempted too often" }
+};
+
+static void log_job_error_with_service_result(const char* service, const char *result, const char* const* extra_args) {
+ _cleanup_free_ char *service_shell_quoted = NULL;
+ const char *systemctl = "systemctl", *journalctl = "journalctl";
+
+ assert(service);
+
+ service_shell_quoted = shell_maybe_quote(service, ESCAPE_BACKSLASH);
+
+ if (!strv_isempty((char**) extra_args)) {
+ _cleanup_free_ char *t;
+
+ t = strv_join((char**) extra_args, " ");
+ systemctl = strjoina("systemctl ", t ? : "<args>");
+ journalctl = strjoina("journalctl ", t ? : "<args>");
+ }
+
+ if (!isempty(result)) {
+ unsigned i;
+
+ for (i = 0; i < ELEMENTSOF(explanations); ++i)
+ if (streq(result, explanations[i].result))
+ break;
+
+ if (i < ELEMENTSOF(explanations)) {
+ log_error("Job for %s failed because %s.\n"
+ "See \"%s status %s\" and \"%s -xe\" for details.\n",
+ service,
+ explanations[i].explanation,
+ systemctl,
+ service_shell_quoted ?: "<service>",
+ journalctl);
+ goto finish;
+ }
+ }
+
+ log_error("Job for %s failed.\n"
+ "See \"%s status %s\" and \"%s -xe\" for details.\n",
+ service,
+ systemctl,
+ service_shell_quoted ?: "<service>",
+ journalctl);
+
+finish:
+ /* For some results maybe additional explanation is required */
+ if (streq_ptr(result, "start-limit"))
+ log_info("To force a start use \"%1$s reset-failed %2$s\"\n"
+ "followed by \"%1$s start %2$s\" again.",
+ systemctl,
+ service_shell_quoted ?: "<service>");
+}
+
+static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
+ assert(d->result);
+
+ if (!quiet) {
+ if (streq(d->result, "canceled"))
+ log_error("Job for %s canceled.", strna(d->name));
+ else if (streq(d->result, "timeout"))
+ log_error("Job for %s timed out.", strna(d->name));
+ else if (streq(d->result, "dependency"))
+ log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name));
+ else if (streq(d->result, "invalid"))
+ log_error("%s is not active, cannot reload.", strna(d->name));
+ else if (streq(d->result, "assert"))
+ log_error("Assertion failed on job for %s.", strna(d->name));
+ else if (streq(d->result, "unsupported"))
+ log_error("Operation on or unit type of %s not supported on this system.", strna(d->name));
+ else if (streq(d->result, "collected"))
+ log_error("Queued job for %s was garbage collected.", strna(d->name));
+ else if (streq(d->result, "once"))
+ log_error("Unit %s was started already once and can't be started again.", strna(d->name));
+ else if (!STR_IN_SET(d->result, "done", "skipped")) {
+ if (d->name) {
+ _cleanup_free_ char *result = NULL;
+ int q;
+
+ q = bus_job_get_service_result(d, &result);
+ if (q < 0)
+ log_debug_errno(q, "Failed to get Result property of unit %s: %m", d->name);
+
+ log_job_error_with_service_result(d->name, result, extra_args);
+ } else
+ log_error("Job failed. See \"journalctl -xe\" for details.");
+ }
+ }
+
+ if (STR_IN_SET(d->result, "canceled", "collected"))
+ return -ECANCELED;
+ else if (streq(d->result, "timeout"))
+ return -ETIME;
+ else if (streq(d->result, "dependency"))
+ return -EIO;
+ else if (streq(d->result, "invalid"))
+ return -ENOEXEC;
+ else if (streq(d->result, "assert"))
+ return -EPROTO;
+ else if (streq(d->result, "unsupported"))
+ return -EOPNOTSUPP;
+ else if (streq(d->result, "once"))
+ return -ESTALE;
+ else if (STR_IN_SET(d->result, "done", "skipped"))
+ return 0;
+
+ return log_debug_errno(SYNTHETIC_ERRNO(EIO),
+ "Unexpected job result, assuming server side newer than us: %s", d->result);
+}
+
+int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
+ int r = 0;
+
+ assert(d);
+
+ while (!set_isempty(d->jobs)) {
+ int q;
+
+ q = bus_process_wait(d->bus);
+ if (q < 0)
+ return log_error_errno(q, "Failed to wait for response: %m");
+
+ if (d->result) {
+ q = check_wait_response(d, quiet, extra_args);
+ /* Return the first error as it is most likely to be
+ * meaningful. */
+ if (q < 0 && r == 0)
+ r = q;
+
+ log_debug_errno(q, "Got result %s/%m for job %s", strna(d->result), strna(d->name));
+ }
+
+ d->name = mfree(d->name);
+ d->result = mfree(d->result);
+ }
+
+ return r;
+}
+
+int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) {
+ int r;
+
+ assert(d);
+
+ r = set_ensure_allocated(&d->jobs, &string_hash_ops);
+ if (r < 0)
+ return r;
+
+ return set_put_strdup(d->jobs, path);
+}
+
+int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet) {
+ int r;
+
+ r = bus_wait_for_jobs_add(d, path);
+ if (r < 0)
+ return log_oom();
+
+ return bus_wait_for_jobs(d, quiet, NULL);
+}
+
+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;
+}
+
+struct CGroupInfo {
+ char *cgroup_path;
+ bool is_const; /* If false, cgroup_path should be free()'d */
+
+ Hashmap *pids; /* PID → process name */
+ bool done;
+
+ struct CGroupInfo *parent;
+ LIST_FIELDS(struct CGroupInfo, siblings);
+ LIST_HEAD(struct CGroupInfo, children);
+ size_t n_children;
+};
+
+static bool IS_ROOT(const char *p) {
+ return isempty(p) || streq(p, "/");
+}
+
+static int add_cgroup(Hashmap *cgroups, const char *path, bool is_const, struct CGroupInfo **ret) {
+ struct CGroupInfo *parent = NULL, *cg;
+ int r;
+
+ assert(cgroups);
+ assert(ret);
+
+ if (IS_ROOT(path))
+ path = "/";
+
+ cg = hashmap_get(cgroups, path);
+ if (cg) {
+ *ret = cg;
+ return 0;
+ }
+
+ if (!IS_ROOT(path)) {
+ const char *e, *pp;
+
+ e = strrchr(path, '/');
+ if (!e)
+ return -EINVAL;
+
+ pp = strndupa(path, e - path);
+ if (!pp)
+ return -ENOMEM;
+
+ r = add_cgroup(cgroups, pp, false, &parent);
+ if (r < 0)
+ return r;
+ }
+
+ cg = new0(struct CGroupInfo, 1);
+ if (!cg)
+ return -ENOMEM;
+
+ if (is_const)
+ cg->cgroup_path = (char*) path;
+ else {
+ cg->cgroup_path = strdup(path);
+ if (!cg->cgroup_path) {
+ free(cg);
+ return -ENOMEM;
+ }
+ }
+
+ cg->is_const = is_const;
+ cg->parent = parent;
+
+ r = hashmap_put(cgroups, cg->cgroup_path, cg);
+ if (r < 0) {
+ if (!is_const)
+ free(cg->cgroup_path);
+ free(cg);
+ return r;
+ }
+
+ if (parent) {
+ LIST_PREPEND(siblings, parent->children, cg);
+ parent->n_children++;
+ }
+
+ *ret = cg;
+ return 1;
+}
+
+static int add_process(
+ Hashmap *cgroups,
+ const char *path,
+ pid_t pid,
+ const char *name) {
+
+ struct CGroupInfo *cg;
+ int r;
+
+ assert(cgroups);
+ assert(name);
+ assert(pid > 0);
+
+ r = add_cgroup(cgroups, path, true, &cg);
+ if (r < 0)
+ return r;
+
+ r = hashmap_ensure_allocated(&cg->pids, &trivial_hash_ops);
+ if (r < 0)
+ return r;
+
+ return hashmap_put(cg->pids, PID_TO_PTR(pid), (void*) name);
+}
+
+static void remove_cgroup(Hashmap *cgroups, struct CGroupInfo *cg) {
+ assert(cgroups);
+ assert(cg);
+
+ while (cg->children)
+ remove_cgroup(cgroups, cg->children);
+
+ hashmap_remove(cgroups, cg->cgroup_path);
+
+ if (!cg->is_const)
+ free(cg->cgroup_path);
+
+ hashmap_free(cg->pids);
+
+ if (cg->parent)
+ LIST_REMOVE(siblings, cg->parent->children, cg);
+
+ free(cg);
+}
+
+static int cgroup_info_compare_func(struct CGroupInfo * const *a, struct CGroupInfo * const *b) {
+ return strcmp((*a)->cgroup_path, (*b)->cgroup_path);
+}
+
+static int dump_processes(
+ Hashmap *cgroups,
+ const char *cgroup_path,
+ const char *prefix,
+ unsigned n_columns,
+ OutputFlags flags) {
+
+ struct CGroupInfo *cg;
+ int r;
+
+ assert(prefix);
+
+ if (IS_ROOT(cgroup_path))
+ cgroup_path = "/";
+
+ cg = hashmap_get(cgroups, cgroup_path);
+ if (!cg)
+ return 0;
+
+ if (!hashmap_isempty(cg->pids)) {
+ const char *name;
+ size_t n = 0, i;
+ pid_t *pids;
+ void *pidp;
+ Iterator j;
+ int width;
+
+ /* Order processes by their PID */
+ pids = newa(pid_t, hashmap_size(cg->pids));
+
+ HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j)
+ pids[n++] = PTR_TO_PID(pidp);
+
+ assert(n == hashmap_size(cg->pids));
+ typesafe_qsort(pids, n, pid_compare_func);
+
+ width = DECIMAL_STR_WIDTH(pids[n-1]);
+
+ for (i = 0; i < n; i++) {
+ _cleanup_free_ char *e = NULL;
+ const char *special;
+ bool more;
+
+ name = hashmap_get(cg->pids, PID_TO_PTR(pids[i]));
+ assert(name);
+
+ if (n_columns != 0) {
+ unsigned k;
+
+ k = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U);
+
+ e = ellipsize(name, k, 100);
+ if (e)
+ name = e;
+ }
+
+ more = i+1 < n || cg->children;
+ special = special_glyph(more ? SPECIAL_GLYPH_TREE_BRANCH : SPECIAL_GLYPH_TREE_RIGHT);
+
+ fprintf(stdout, "%s%s%*"PID_PRI" %s\n",
+ prefix,
+ special,
+ width, pids[i],
+ name);
+ }
+ }
+
+ if (cg->children) {
+ struct CGroupInfo **children, *child;
+ size_t n = 0, i;
+
+ /* Order subcgroups by their name */
+ children = newa(struct CGroupInfo*, cg->n_children);
+ LIST_FOREACH(siblings, child, cg->children)
+ children[n++] = child;
+ assert(n == cg->n_children);
+ typesafe_qsort(children, n, cgroup_info_compare_func);
+
+ if (n_columns != 0)
+ n_columns = MAX(LESS_BY(n_columns, 2U), 20U);
+
+ for (i = 0; i < n; i++) {
+ _cleanup_free_ char *pp = NULL;
+ const char *name, *special;
+ bool more;
+
+ child = children[i];
+
+ name = strrchr(child->cgroup_path, '/');
+ if (!name)
+ return -EINVAL;
+ name++;
+
+ more = i+1 < n;
+ special = special_glyph(more ? SPECIAL_GLYPH_TREE_BRANCH : SPECIAL_GLYPH_TREE_RIGHT);
+
+ fputs(prefix, stdout);
+ fputs(special, stdout);
+ fputs(name, stdout);
+ fputc('\n', stdout);
+
+ special = special_glyph(more ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE);
+
+ pp = strappend(prefix, special);
+ if (!pp)
+ return -ENOMEM;
+
+ r = dump_processes(cgroups, child->cgroup_path, pp, n_columns, flags);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ cg->done = true;
+ return 0;
+}
+
+static int dump_extra_processes(
+ Hashmap *cgroups,
+ const char *prefix,
+ unsigned n_columns,
+ OutputFlags flags) {
+
+ _cleanup_free_ pid_t *pids = NULL;
+ _cleanup_hashmap_free_ Hashmap *names = NULL;
+ struct CGroupInfo *cg;
+ size_t n_allocated = 0, n = 0, k;
+ Iterator i;
+ int width, r;
+
+ /* Prints the extra processes, i.e. those that are in cgroups we haven't displayed yet. We show them as
+ * combined, sorted, linear list. */
+
+ HASHMAP_FOREACH(cg, cgroups, i) {
+ const char *name;
+ void *pidp;
+ Iterator j;
+
+ if (cg->done)
+ continue;
+
+ if (hashmap_isempty(cg->pids))
+ continue;
+
+ r = hashmap_ensure_allocated(&names, &trivial_hash_ops);
+ if (r < 0)
+ return r;
+
+ if (!GREEDY_REALLOC(pids, n_allocated, n + hashmap_size(cg->pids)))
+ return -ENOMEM;
+
+ HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) {
+ pids[n++] = PTR_TO_PID(pidp);
+
+ r = hashmap_put(names, pidp, (void*) name);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ if (n == 0)
+ return 0;
+
+ typesafe_qsort(pids, n, pid_compare_func);
+ width = DECIMAL_STR_WIDTH(pids[n-1]);
+
+ for (k = 0; k < n; k++) {
+ _cleanup_free_ char *e = NULL;
+ const char *name;
+
+ name = hashmap_get(names, PID_TO_PTR(pids[k]));
+ assert(name);
+
+ if (n_columns != 0) {
+ unsigned z;
+
+ z = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U);
+
+ e = ellipsize(name, z, 100);
+ if (e)
+ name = e;
+ }
+
+ fprintf(stdout, "%s%s %*" PID_PRI " %s\n",
+ prefix,
+ special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET),
+ width, pids[k],
+ name);
+ }
+
+ return 0;
+}
+
+int unit_show_processes(
+ sd_bus *bus,
+ const char *unit,
+ const char *cgroup_path,
+ const char *prefix,
+ unsigned n_columns,
+ OutputFlags flags,
+ sd_bus_error *error) {
+
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ Hashmap *cgroups = NULL;
+ struct CGroupInfo *cg;
+ int r;
+
+ assert(bus);
+ assert(unit);
+
+ if (flags & OUTPUT_FULL_WIDTH)
+ n_columns = 0;
+ else if (n_columns <= 0)
+ n_columns = columns();
+
+ prefix = strempty(prefix);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitProcesses",
+ error,
+ &reply,
+ "s",
+ unit);
+ if (r < 0)
+ return r;
+
+ cgroups = hashmap_new(&path_hash_ops);
+ if (!cgroups)
+ return -ENOMEM;
+
+ r = sd_bus_message_enter_container(reply, 'a', "(sus)");
+ if (r < 0)
+ goto finish;
+
+ for (;;) {
+ const char *path = NULL, *name = NULL;
+ uint32_t pid;
+
+ r = sd_bus_message_read(reply, "(sus)", &path, &pid, &name);
+ if (r < 0)
+ goto finish;
+ if (r == 0)
+ break;
+
+ r = add_process(cgroups, path, pid, name);
+ if (r < 0)
+ goto finish;
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ goto finish;
+
+ r = dump_processes(cgroups, cgroup_path, prefix, n_columns, flags);
+ if (r < 0)
+ goto finish;
+
+ r = dump_extra_processes(cgroups, prefix, n_columns, flags);
+
+finish:
+ while ((cg = hashmap_first(cgroups)))
+ remove_cgroup(cgroups, cg);
+
+ hashmap_free(cgroups);
+
+ return r;
+}
+
+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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 22:45:30 +0000