chiark / gitweb /
shared/install,systemctl,core: report offending file on installation error
[elogind.git] / src / shared / bus-util.c
index 64c389b356738e4729bb534f40d9d540dbbb2035..0ab5755068251ed1fb8592e92c22c398434918fa 100644 (file)
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 /***
   This file is part of systemd.
 
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/resource.h>
 #include <sys/socket.h>
+#include <unistd.h>
 
+#include "sd-bus-protocol.h"
+#include "sd-bus.h"
 #include "sd-daemon.h"
 #include "sd-event.h"
-#include "util.h"
-#include "strv.h"
-#include "macro.h"
+#include "sd-id128.h"
+
+#include "alloc-util.h"
+#include "bus-internal.h"
+#include "bus-label.h"
+#include "bus-message.h"
+#include "bus-util.h"
+#include "cgroup-util.h"
 #include "def.h"
-#include "path-util.h"
+//#include "env-util.h"
+#include "escape.h"
+#include "extract-word.h"
+#include "fd-util.h"
+#include "hashmap.h"
+//#include "install.h"
+#include "kdbus.h"
+#include "log.h"
+#include "macro.h"
 #include "missing.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "proc-cmdline.h"
+#include "process-util.h"
+//#include "rlimit-util.h"
 #include "set.h"
 #include "signal-util.h"
+#include "stdio-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "syslog-util.h"
+#include "time-util.h"
 #include "unit-name.h"
+#include "user-util.h"
+#include "utf8.h"
+#include "util.h"
 
-#include "sd-bus.h"
-#include "bus-error.h"
-#include "bus-label.h"
-#include "bus-message.h"
-#include "bus-util.h"
-#include "bus-internal.h"
-
+#if 0 /// UNNEEDED by elogind
 static int name_owner_change_callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
         sd_event *e = userdata;
 
@@ -93,8 +122,6 @@ int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name) {
         return 0;
 }
 
-/// UNNEEDED by elogind
-#if 0
 int bus_event_loop_with_idle(
                 sd_event *e,
                 sd_bus *bus,
@@ -170,7 +197,7 @@ int bus_event_loop_with_idle(
 #endif // 0
 
 int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error) {
-        _cleanup_bus_message_unref_ sd_bus_message *rep = NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *rep = NULL;
         int r, has_owner = 0;
 
         assert(c);
@@ -196,7 +223,7 @@ int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error) {
 }
 
 static int check_good_user(sd_bus_message *m, uid_t good_user) {
-        _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+        _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
         uid_t sender_uid;
         int r;
 
@@ -246,8 +273,8 @@ int bus_test_polkit(
                 return 1;
 #ifdef ENABLE_POLKIT
         else {
-                _cleanup_bus_message_unref_ sd_bus_message *request = NULL;
-                _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *request = NULL;
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
                 int authorized = false, challenge = false;
                 const char *sender, **k, **v;
 
@@ -350,7 +377,7 @@ static void async_polkit_query_free(AsyncPolkitQuery *q) {
 }
 
 static int async_polkit_callback(sd_bus_message *reply, void *userdata, sd_bus_error *error) {
-        _cleanup_bus_error_free_ sd_bus_error error_buffer = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error_buffer = SD_BUS_ERROR_NULL;
         AsyncPolkitQuery *q = userdata;
         int r;
 
@@ -388,7 +415,7 @@ int bus_verify_polkit_async(
                 sd_bus_error *error) {
 
 #ifdef ENABLE_POLKIT
-        _cleanup_bus_message_unref_ sd_bus_message *pk = NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *pk = NULL;
         AsyncPolkitQuery *q;
         const char *sender, **k, **v;
         sd_bus_message_handler_t callback;
@@ -551,6 +578,7 @@ void bus_verify_polkit_async_registry_free(Hashmap *registry) {
 #endif
 }
 
+#if 0 /// UNNEEDED by elogind
 int bus_check_peercred(sd_bus *c) {
         struct ucred ucred;
         socklen_t l;
@@ -575,14 +603,14 @@ int bus_check_peercred(sd_bus *c) {
         return 1;
 }
 
-int bus_open_system_systemd(sd_bus **_bus) {
-        _cleanup_bus_unref_ sd_bus *bus = NULL;
+int bus_connect_system_systemd(sd_bus **_bus) {
+        _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
         int r;
 
         assert(_bus);
 
         if (geteuid() != 0)
-                return sd_bus_open_system(_bus);
+                return sd_bus_default_system(_bus);
 
         /* If we are root and kdbus is not available, then let's talk
          * directly to the system instance, instead of going via the
@@ -617,7 +645,7 @@ int bus_open_system_systemd(sd_bus **_bus) {
 
         r = sd_bus_start(bus);
         if (r < 0)
-                return sd_bus_open_system(_bus);
+                return sd_bus_default_system(_bus);
 
         r = bus_check_peercred(bus);
         if (r < 0)
@@ -629,8 +657,8 @@ int bus_open_system_systemd(sd_bus **_bus) {
         return 0;
 }
 
-int bus_open_user_systemd(sd_bus **_bus) {
-        _cleanup_bus_unref_ sd_bus *bus = NULL;
+int bus_connect_user_systemd(sd_bus **_bus) {
+        _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
         _cleanup_free_ char *ee = NULL;
         const char *e;
         int r;
@@ -659,7 +687,7 @@ int bus_open_user_systemd(sd_bus **_bus) {
 
         e = secure_getenv("XDG_RUNTIME_DIR");
         if (!e)
-                return sd_bus_open_user(_bus);
+                return sd_bus_default_user(_bus);
 
         ee = bus_address_escape(e);
         if (!ee)
@@ -675,7 +703,7 @@ int bus_open_user_systemd(sd_bus **_bus) {
 
         r = sd_bus_start(bus);
         if (r < 0)
-                return sd_bus_open_user(_bus);
+                return sd_bus_default_user(_bus);
 
         r = bus_check_peercred(bus);
         if (r < 0)
@@ -686,6 +714,7 @@ int bus_open_user_systemd(sd_bus **_bus) {
 
         return 0;
 }
+#endif // 0
 
 int bus_print_property(const char *name, sd_bus_message *property, bool all) {
         char type;
@@ -818,7 +847,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                         if (r < 0)
                                 return r;
 
-                        while((r = sd_bus_message_read_basic(property, SD_BUS_TYPE_STRING, &str)) > 0) {
+                        while ((r = sd_bus_message_read_basic(property, SD_BUS_TYPE_STRING, &str)) > 0) {
                                 _cleanup_free_ char *escaped = NULL;
 
                                 if (first)
@@ -896,8 +925,8 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
 }
 
 int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all) {
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
         int r;
 
         assert(bus);
@@ -1043,7 +1072,7 @@ static int map_basic(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_
         }
 
         case SD_BUS_TYPE_UINT32: {
-                uint64_t u;
+                uint32_t u;
                 uint32_t *p = userdata;
 
                 r = sd_bus_message_read_basic(m, type, &u);
@@ -1080,7 +1109,7 @@ int bus_message_map_all_properties(
                 const struct bus_properties_map *map,
                 void *userdata) {
 
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
         int r;
 
         assert(m);
@@ -1143,8 +1172,7 @@ int bus_message_map_all_properties(
         return sd_bus_message_exit_container(m);
 }
 
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
 int bus_message_map_properties_changed(
                 sd_bus_message *m,
                 const struct bus_properties_map *map,
@@ -1189,8 +1217,8 @@ int bus_map_all_properties(
                 const struct bus_properties_map *map,
                 void *userdata) {
 
-        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
         int r;
 
         assert(bus);
@@ -1213,7 +1241,7 @@ int bus_map_all_properties(
         return bus_message_map_all_properties(m, map, userdata);
 }
 
-int bus_open_transport(BusTransport transport, const char *host, bool user, sd_bus **bus) {
+int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus) {
         int r;
 
         assert(transport >= 0);
@@ -1226,9 +1254,11 @@ int bus_open_transport(BusTransport transport, const char *host, bool user, sd_b
         switch (transport) {
 
         case BUS_TRANSPORT_LOCAL:
+#if 0 /// elogind does not support a user bus
                 if (user)
                         r = sd_bus_default_user(bus);
                 else
+#endif // 0
                         r = sd_bus_default_system(bus);
 
                 break;
@@ -1248,9 +1278,8 @@ int bus_open_transport(BusTransport transport, const char *host, bool user, sd_b
         return r;
 }
 
-/// UNNEEDED by elogind
-#if 0
-int bus_open_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus) {
+#if 0 /// UNNEEDED by elogind
+int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus) {
         int r;
 
         assert(transport >= 0);
@@ -1264,9 +1293,9 @@ int bus_open_transport_systemd(BusTransport transport, const char *host, bool us
 
         case BUS_TRANSPORT_LOCAL:
                 if (user)
-                        r = bus_open_user_systemd(bus);
+                        r = bus_connect_user_systemd(bus);
                 else
-                        r = bus_open_system_systemd(bus);
+                        r = bus_connect_system_systemd(bus);
 
                 break;
 
@@ -1350,12 +1379,11 @@ int bus_log_parse_error(int r) {
         return log_error_errno(r, "Failed to parse bus message: %m");
 }
 
+#if 0 /// UNNEEDED by elogind
 int bus_log_create_error(int r) {
         return log_error_errno(r, "Failed to create bus message: %m");
 }
 
-/// UNNEEDED by elogind
-#if 0
 int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
         assert(message);
         assert(u);
@@ -1379,7 +1407,7 @@ int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
 
 int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment) {
         const char *eq, *field;
-        int r;
+        int r, rl;
 
         assert(m);
         assert(assignment);
@@ -1390,20 +1418,18 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                 return -EINVAL;
         }
 
+        r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
+        if (r < 0)
+                return bus_log_create_error(r);
+
         field = strndupa(assignment, eq - assignment);
-        eq ++;
+        eq++;
 
         if (streq(field, "CPUQuota")) {
 
-                if (isempty(eq)) {
-
-                        r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, "CPUQuotaPerSecUSec");
-                        if (r < 0)
-                                return bus_log_create_error(r);
-
-                        r = sd_bus_message_append(m, "v", "t", USEC_INFINITY);
-
-                } else if (endswith(eq, "%")) {
+                if (isempty(eq))
+                        r = sd_bus_message_append(m, "sv", "CPUQuotaPerSecUSec", "t", USEC_INFINITY);
+                else if (endswith(eq, "%")) {
                         double percent;
 
                         if (sscanf(eq, "%lf%%", &percent) != 1 || percent <= 0) {
@@ -1411,54 +1437,126 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                                 return -EINVAL;
                         }
 
-                        r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, "CPUQuotaPerSecUSec");
-                        if (r < 0)
-                                return bus_log_create_error(r);
-
-                        r = sd_bus_message_append(m, "v", "t", (usec_t) percent * USEC_PER_SEC / 100);
+                        r = sd_bus_message_append(m, "sv", "CPUQuotaPerSecUSec", "t", (usec_t) percent * USEC_PER_SEC / 100);
                 } else {
                         log_error("CPU quota needs to be in percent.");
                         return -EINVAL;
                 }
 
+                goto finish;
+
+        } else if (streq(field, "EnvironmentFile")) {
+
+                r = sd_bus_message_append(m, "sv", "EnvironmentFiles", "a(sb)", 1,
+                                          eq[0] == '-' ? eq + 1 : eq,
+                                          eq[0] == '-');
+                goto finish;
+
+        } else if (STR_IN_SET(field, "AccuracySec", "RandomizedDelaySec", "RuntimeMaxSec")) {
+                char *n;
+                usec_t t;
+                size_t l;
+                r = parse_sec(eq, &t);
                 if (r < 0)
-                        return bus_log_create_error(r);
+                        return log_error_errno(r, "Failed to parse %s= parameter: %s", field, eq);
 
-                return 0;
+                l = strlen(field);
+                n = newa(char, l + 2);
+                if (!n)
+                        return log_oom();
+
+                /* Change suffix Sec → USec */
+                strcpy(mempcpy(n, field, l - 3), "USec");
+                r = sd_bus_message_append(m, "sv", n, "t", t);
+                goto finish;
         }
 
         r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
         if (r < 0)
                 return bus_log_create_error(r);
 
-        if (STR_IN_SET(field,
-                       "CPUAccounting", "MemoryAccounting", "BlockIOAccounting",
+        rl = rlimit_from_string(field);
+        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, "v", "t", l.rlim_max);
+                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_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
+                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);
+
+        } else if (STR_IN_SET(field,
+                       "CPUAccounting", "MemoryAccounting", "BlockIOAccounting", "TasksAccounting",
                        "SendSIGHUP", "SendSIGKILL", "WakeSystem", "DefaultDependencies",
-                       "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "RemainAfterExit")) {
+                       "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "RemainAfterExit",
+                       "PrivateTmp", "PrivateDevices", "PrivateNetwork", "NoNewPrivileges",
+                       "SyslogLevelPrefix", "Delegate", "RemainAfterElapse")) {
 
                 r = parse_boolean(eq);
-                if (r < 0) {
-                        log_error("Failed to parse boolean assignment %s.", assignment);
-                        return -EINVAL;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse boolean assignment %s.", assignment);
 
                 r = sd_bus_message_append(m, "v", "b", r);
 
         } else if (streq(field, "MemoryLimit")) {
-                off_t bytes;
+                uint64_t bytes;
 
+                if (isempty(eq) || streq(eq, "infinity"))
+                        bytes = (uint64_t) -1;
+                else {
                 r = parse_size(eq, 1024, &bytes);
                 if (r < 0) {
                         log_error("Failed to parse bytes specification %s", assignment);
                         return -EINVAL;
                 }
+                }
+
+                r = sd_bus_message_append(m, "v", "t", bytes);
 
-                r = sd_bus_message_append(m, "v", "t", (uint64_t) bytes);
+        } else if (streq(field, "TasksMax")) {
+                uint64_t n;
 
-        } else if (STR_IN_SET(field, "CPUShares", "BlockIOWeight")) {
+                if (isempty(eq) || streq(eq, "infinity"))
+                        n = (uint64_t) -1;
+                else {
+                        r = safe_atou64(eq, &n);
+                        if (r < 0) {
+                                log_error("Failed to parse maximum tasks specification %s", assignment);
+                                return -EINVAL;
+                        }
+                }
+
+                r = sd_bus_message_append(m, "v", "t", n);
+
+        } else if (STR_IN_SET(field, "CPUShares", "StartupCPUShares")) {
+                uint64_t u;
+
+                r = cg_cpu_shares_parse(eq, &u);
+                if (r < 0) {
+                        log_error("Failed to parse %s value %s.", field, eq);
+                        return -EINVAL;
+                }
+
+                r = sd_bus_message_append(m, "v", "t", u);
+
+        } else if (STR_IN_SET(field, "BlockIOWeight", "StartupBlockIOWeight")) {
                 uint64_t u;
 
-                r = safe_atou64(eq, &u);
+                r = cg_cpu_shares_parse(eq, &u);
                 if (r < 0) {
                         log_error("Failed to parse %s value %s.", field, eq);
                         return -EINVAL;
@@ -1470,10 +1568,34 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                               "User", "Group", "DevicePolicy", "KillMode",
                               "UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath",
                               "StandardInput", "StandardOutput", "StandardError",
-                              "Description", "Slice", "Type"))
+                              "Description", "Slice", "Type", "WorkingDirectory",
+                              "RootDirectory", "SyslogIdentifier", "ProtectSystem",
+                              "ProtectHome"))
                 r = sd_bus_message_append(m, "v", "s", eq);
 
-        else if (streq(field, "DeviceAllow")) {
+        else if (streq(field, "SyslogLevel")) {
+                int level;
+
+                level = log_level_from_string(eq);
+                if (level < 0) {
+                        log_error("Failed to parse %s value %s.", field, eq);
+                        return -EINVAL;
+                }
+
+                r = sd_bus_message_append(m, "v", "i", level);
+
+        } else if (streq(field, "SyslogFacility")) {
+                int facility;
+
+                facility = log_facility_unshifted_from_string(eq);
+                if (facility < 0) {
+                        log_error("Failed to parse %s value %s.", field, eq);
+                        return -EINVAL;
+                }
+
+                r = sd_bus_message_append(m, "v", "i", facility);
+
+        } else if (streq(field, "DeviceAllow")) {
 
                 if (isempty(eq))
                         r = sd_bus_message_append(m, "v", "a(ss)", 0);
@@ -1503,7 +1625,7 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                         r = sd_bus_message_append(m, "v", "a(st)", 0);
                 else {
                         const char *path, *bandwidth, *e;
-                        off_t bytes;
+                        uint64_t bytes;
 
                         e = strchr(eq, ' ');
                         if (e) {
@@ -1525,7 +1647,7 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                                 return -EINVAL;
                         }
 
-                        r = sd_bus_message_append(m, "v", "a(st)", 1, path, (uint64_t) bytes);
+                        r = sd_bus_message_append(m, "v", "a(st)", 1, path, bytes);
                 }
 
         } else if (streq(field, "BlockIODeviceWeight")) {
@@ -1558,21 +1680,6 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                         r = sd_bus_message_append(m, "v", "a(st)", path, u);
                 }
 
-        } else if (rlimit_from_string(field) >= 0) {
-                uint64_t rl;
-
-                if (streq(eq, "infinity"))
-                        rl = (uint64_t) -1;
-                else {
-                        r = safe_atou64(eq, &rl);
-                        if (r < 0) {
-                                log_error("Invalid resource limit: %s", eq);
-                                return -EINVAL;
-                        }
-                }
-
-                r = sd_bus_message_append(m, "v", "t", rl);
-
         } else if (streq(field, "Nice")) {
                 int32_t i;
 
@@ -1584,9 +1691,52 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
 
                 r = sd_bus_message_append(m, "v", "i", i);
 
-        } else if (streq(field, "Environment")) {
+        } else if (STR_IN_SET(field, "Environment", "PassEnvironment")) {
+                const char *p;
+
+                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);
 
-                r = sd_bus_message_append(m, "v", "as", 1, eq);
+                p = eq;
+
+                for (;;) {
+                        _cleanup_free_ char *word = NULL;
+
+                        r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE);
+                        if (r < 0) {
+                                log_error("Failed to parse Environment value %s", eq);
+                                return -EINVAL;
+                        }
+                        if (r == 0)
+                                break;
+
+                        if (streq(field, "Environment")) {
+                                if (!env_assignment_is_valid(word)) {
+                                        log_error("Invalid environment assignment: %s", word);
+                                        return -EINVAL;
+                                }
+                        } else {  /* PassEnvironment */
+                                if (!env_name_is_valid(word)) {
+                                        log_error("Invalid environment variable name: %s", word);
+                                        return -EINVAL;
+                                }
+                        }
+
+                        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);
 
         } else if (streq(field, "KillSignal")) {
                 int sig;
@@ -1599,22 +1749,124 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
 
                 r = sd_bus_message_append(m, "v", "i", sig);
 
-        } else if (streq(field, "AccuracySec")) {
-                usec_t u;
+        } else if (streq(field, "TimerSlackNSec")) {
+                nsec_t n;
 
-                r = parse_sec(eq, &u);
+                r = parse_nsec(eq, &n);
                 if (r < 0) {
                         log_error("Failed to parse %s value %s", field, eq);
                         return -EINVAL;
                 }
 
-                r = sd_bus_message_append(m, "v", "t", u);
+                r = sd_bus_message_append(m, "v", "t", n);
+        } else if (streq(field, "OOMScoreAdjust")) {
+                int oa;
+
+                r = safe_atoi(eq, &oa);
+                if (r < 0) {
+                        log_error("Failed to parse %s value %s", field, eq);
+                        return -EINVAL;
+                }
+
+                if (!oom_score_adjust_is_valid(oa)) {
+                        log_error("OOM score adjust value out of range");
+                        return -EINVAL;
+                }
+
+                r = sd_bus_message_append(m, "v", "i", oa);
+        } else if (STR_IN_SET(field, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories")) {
+                const char *p;
+
+                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);
+
+                p = eq;
+
+                for (;;) {
+                        _cleanup_free_ char *word = NULL;
+                        int offset;
+
+                        r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+                        if (r < 0) {
+                                log_error("Failed to parse %s value %s", field, eq);
+                                return -EINVAL;
+                        }
+                        if (r == 0)
+                                break;
+
+                        if (!utf8_is_valid(word)) {
+                                log_error("Failed to parse %s value %s", field, eq);
+                                return -EINVAL;
+                        }
+
+                        offset = word[0] == '-';
+                        if (!path_is_absolute(word + offset)) {
+                                log_error("Failed to parse %s value %s", field, eq);
+                                return -EINVAL;
+                        }
+
+                        path_kill_slashes(word + offset);
+
+                        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);
+
+        } else if (streq(field, "RuntimeDirectory")) {
+                const char *p;
+
+                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);
+
+                p = eq;
+
+                for (;;) {
+                        _cleanup_free_ char *word = NULL;
+
+                        r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to parse %s value %s", field, eq);
+
+                        if (r == 0)
+                                break;
+
+                        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);
 
         } else {
                 log_error("Unknown assignment %s.", assignment);
                 return -EINVAL;
         }
 
+finish:
+        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);
 
@@ -1633,8 +1885,7 @@ typedef struct BusWaitForJobs {
         sd_bus_slot *slot_disconnected;
 } BusWaitForJobs;
 
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
 static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) {
         assert(m);
 
@@ -1674,7 +1925,6 @@ static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *er
 
         return 0;
 }
-#endif // 0
 
 void bus_wait_for_jobs_free(BusWaitForJobs *d) {
         if (!d)
@@ -1693,8 +1943,6 @@ void bus_wait_for_jobs_free(BusWaitForJobs *d) {
         free(d);
 }
 
-/// UNNEEDED by elogind
-#if 0
 int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) {
         _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL;
         int r;
@@ -1744,7 +1992,6 @@ int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) {
 
         return 0;
 }
-#endif // 0
 
 static int bus_process_wait(sd_bus *bus) {
         int r;
@@ -1794,13 +2041,22 @@ static const struct {
         { "start-limit", "start of the service was attempted too often" }
 };
 
-static void log_job_error_with_service_result(const char* service, const char *result) {
+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);
 
+        if (extra_args && extra_args[1]) {
+                _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;
 
@@ -1809,27 +2065,34 @@ static void log_job_error_with_service_result(const char* service, const char *r
                                 break;
 
                 if (i < ELEMENTSOF(explanations)) {
-                        log_error("Job for %s failed because %s. See \"systemctl status %s\" and \"journalctl -xe\" for details.\n",
+                        log_error("Job for %s failed because %s.\n"
+                                  "See \"%s status %s\" and \"%s -xe\" for details.\n",
                                   service,
                                   explanations[i].explanation,
-                                  strna(service_shell_quoted));
-
+                                  systemctl,
+                                  service_shell_quoted ?: "<service>",
+                                  journalctl);
                         goto finish;
                 }
         }
 
-        log_error("Job for %s failed. See \"systemctl status %s\" and \"journalctl -xe\" for details.\n",
+        log_error("Job for %s failed.\n"
+                  "See \"%s status %s\" and \"%s -xe\" for details.\n",
                   service,
-                  strna(service_shell_quoted));
+                  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 \"systemctl reset-failed %1$s\" followed by \"systemctl start %1$s\" again.",
-                         strna(service_shell_quoted));
+                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) {
+static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
         int r = 0;
 
         assert(d->result);
@@ -1842,7 +2105,7 @@ static int check_wait_response(BusWaitForJobs *d, bool quiet) {
                 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("Job for %s invalid.", strna(d->name));
+                        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"))
@@ -1856,7 +2119,7 @@ static int check_wait_response(BusWaitForJobs *d, bool quiet) {
                                 if (q < 0)
                                         log_debug_errno(q, "Failed to get Result property of service %s: %m", d->name);
 
-                                log_job_error_with_service_result(d->name, result);
+                                log_job_error_with_service_result(d->name, result, extra_args);
                         } else
                                 log_error("Job failed. See \"journalctl -xe\" for details.");
                 }
@@ -1880,7 +2143,7 @@ static int check_wait_response(BusWaitForJobs *d, bool quiet) {
         return r;
 }
 
-int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet) {
+int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
         int r = 0;
 
         assert(d);
@@ -1893,7 +2156,7 @@ int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet) {
                         return log_error_errno(q, "Failed to wait for response: %m");
 
                 if (d->result) {
-                        q = check_wait_response(d, quiet);
+                        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)
@@ -1902,11 +2165,8 @@ int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet) {
                         log_debug_errno(q, "Got result %s/%m for job %s", strna(d->result), strna(d->name));
                 }
 
-                free(d->name);
-                d->name = NULL;
-
-                free(d->result);
-                d->result = NULL;
+                d->name = mfree(d->name);
+                d->result = mfree(d->result);
         }
 
         return r;
@@ -1924,8 +2184,16 @@ int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) {
         return set_put_strdup(d->jobs, path);
 }
 
-/// UNNEEDED by elogind
-#if 0
+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, unsigned *n_changes) {
         const char *type, *path, *source;
         int r;
@@ -1935,14 +2203,16 @@ int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, Un
                 return bus_log_parse_error(r);
 
         while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) {
-                if (!quiet) {
-                        if (streq(type, "symlink"))
-                                log_info("Created symlink from %s to %s.", path, source);
-                        else
-                                log_info("Removed symlink %s.", path);
+                /* 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, streq(type, "symlink") ? UNIT_FILE_SYMLINK : UNIT_FILE_UNLINK, path, source);
+                r = unit_file_changes_add(changes, n_changes, ch, path, source);
                 if (r < 0)
                         return r;
         }
@@ -1953,9 +2223,9 @@ int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, Un
         if (r < 0)
                 return bus_log_parse_error(r);
 
+        unit_file_dump_changes(0, NULL, *changes, *n_changes, false);
         return 0;
 }
-#endif // 0
 
 /**
  * bus_path_encode_unique() - encode unique object path
@@ -2083,6 +2353,7 @@ int bus_path_decode_unique(const char *path, const char *prefix, char **ret_send
         *ret_external = external;
         return 1;
 }
+#endif // 0
 
 bool is_kdbus_wanted(void) {
         _cleanup_free_ char *value = NULL;
@@ -2117,3 +2388,49 @@ bool is_kdbus_available(void) {
 
         return ioctl(fd, KDBUS_CMD_BUS_MAKE, &cmd) >= 0;
 }
+
+#if 0 /// UNNEEDED by elogind
+int bus_property_get_rlimit(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        struct rlimit *rl;
+        uint64_t u;
+        rlim_t x;
+        const char *is_soft;
+
+        assert(bus);
+        assert(reply);
+        assert(userdata);
+
+        is_soft = endswith(property, "Soft");
+        rl = *(struct rlimit**) userdata;
+        if (rl)
+                x = is_soft ? rl->rlim_cur : rl->rlim_max;
+        else {
+                struct rlimit buf = {};
+                int z;
+                const char *s;
+
+                s = is_soft ? strndupa(property, is_soft - property) : property;
+
+                z = rlimit_from_string(strstr(s, "Limit"));
+                assert(z >= 0);
+
+                getrlimit(z, &buf);
+                x = is_soft ? buf.rlim_cur : buf.rlim_max;
+        }
+
+        /* rlim_t might have different sizes, let's map
+         * RLIMIT_INFINITY to (uint64_t) -1, so that it is the same on
+         * all archs */
+        u = x == RLIM_INFINITY ? (uint64_t) -1 : (uint64_t) x;
+
+        return sd_bus_message_append(reply, "t", u);
+}
+#endif // 0