From: Sven Eden <yamakuzure@gmx.net>
Date: Wed, 31 May 2017 05:15:22 +0000 (+0200)
Subject: Prep v230: Apply missing upstream fixes and updates (7/8) src/shared.
X-Git-Tag: v231.3~138
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=1a37e9a3f3cb37cc8cb3850592b8ee63729e6d4b;hp=8331cb6e143dc261fd22af9a2a679196822326a9;p=elogind.git

Prep v230: Apply missing upstream fixes and updates (7/8) src/shared.
---

diff --git a/cb/elogind.cbp b/cb/elogind.cbp
index 6f9ff43ab..80edb8b8a 100644
--- a/cb/elogind.cbp
+++ b/cb/elogind.cbp
@@ -494,7 +494,6 @@
 			<Option compilerVar="CC" />
 		</Unit>
 		<Unit filename="../src/shared/pager.h" />
-		<Unit filename="../src/shared/path-lookup.h" />
 		<Unit filename="../src/shared/spawn-polkit-agent.c">
 			<Option compilerVar="CC" />
 		</Unit>
diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c
index 0ab575506..def432489 100644
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -39,34 +39,16 @@
 #include "bus-label.h"
 #include "bus-message.h"
 #include "bus-util.h"
-#include "cgroup-util.h"
 #include "def.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"
 
 #if 0 /// UNNEEDED by elogind
 static int name_owner_change_callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
@@ -716,7 +698,15 @@ int bus_connect_user_systemd(sd_bus **_bus) {
 }
 #endif // 0
 
-int bus_print_property(const char *name, sd_bus_message *property, bool all) {
+#define print_property(name, fmt, ...)                                  \
+        do {                                                            \
+                if (value)                                              \
+                        printf(fmt "\n", __VA_ARGS__);                  \
+                else                                                    \
+                        printf("%s=" fmt "\n", name, __VA_ARGS__);      \
+        } while(0)
+
+int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all) {
         char type;
         const char *contents;
         int r;
@@ -744,7 +734,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                         if (!escaped)
                                 return -ENOMEM;
 
-                        printf("%s=%s\n", name, escaped);
+                        print_property(name, "%s", escaped);
                 }
 
                 return 1;
@@ -757,7 +747,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                 if (r < 0)
                         return r;
 
-                printf("%s=%s\n", name, yes_no(b));
+                print_property(name, "%s", yes_no(b));
 
                 return 1;
         }
@@ -777,14 +767,14 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
 
                         t = format_timestamp(timestamp, sizeof(timestamp), u);
                         if (t || all)
-                                printf("%s=%s\n", name, strempty(t));
+                                print_property(name, "%s", strempty(t));
 
                 } else if (strstr(name, "USec")) {
                         char timespan[FORMAT_TIMESPAN_MAX];
 
-                        printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u, 0));
+                        print_property(name, "%s", format_timespan(timespan, sizeof(timespan), u, 0));
                 } else
-                        printf("%s=%llu\n", name, (unsigned long long) u);
+                        print_property(name, "%"PRIu64, u);
 
                 return 1;
         }
@@ -796,7 +786,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                 if (r < 0)
                         return r;
 
-                printf("%s=%lld\n", name, (long long) i);
+                print_property(name, "%"PRIi64, i);
 
                 return 1;
         }
@@ -809,9 +799,9 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                         return r;
 
                 if (strstr(name, "UMask") || strstr(name, "Mode"))
-                        printf("%s=%04o\n", name, u);
+                        print_property(name, "%04o", u);
                 else
-                        printf("%s=%u\n", name, (unsigned) u);
+                        print_property(name, "%"PRIu32, u);
 
                 return 1;
         }
@@ -823,7 +813,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                 if (r < 0)
                         return r;
 
-                printf("%s=%i\n", name, (int) i);
+                print_property(name, "%"PRIi32, i);
                 return 1;
         }
 
@@ -834,7 +824,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                 if (r < 0)
                         return r;
 
-                printf("%s=%g\n", name, d);
+                print_property(name, "%g", d);
                 return 1;
         }
 
@@ -850,7 +840,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                         while ((r = sd_bus_message_read_basic(property, SD_BUS_TYPE_STRING, &str)) > 0) {
                                 _cleanup_free_ char *escaped = NULL;
 
-                                if (first)
+                                if (first && !value)
                                         printf("%s=", name);
 
                                 escaped = xescape(str, "\n ");
@@ -864,7 +854,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                         if (r < 0)
                                 return r;
 
-                        if (first && all)
+                        if (first && all && !value)
                                 printf("%s=", name);
                         if (!first || all)
                                 puts("");
@@ -886,7 +876,8 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                         if (all || n > 0) {
                                 unsigned int i;
 
-                                printf("%s=", name);
+                                if (!value)
+                                        printf("%s=", name);
 
                                 for (i = 0; i < n; i++)
                                         printf("%02x", u[i]);
@@ -907,7 +898,8 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
                         if (all || n > 0) {
                                 unsigned int i;
 
-                                printf("%s=", name);
+                                if (!value)
+                                        printf("%s=", name);
 
                                 for (i = 0; i < n; i++)
                                         printf("%08x", u[i]);
@@ -924,7 +916,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
         return 0;
 }
 
-int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all) {
+int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool value, bool all) {
         _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;
@@ -964,7 +956,7 @@ int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, ch
                         if (r < 0)
                                 return r;
 
-                        r = bus_print_property(name, reply, all);
+                        r = bus_print_property(name, reply, value, all);
                         if (r < 0)
                                 return r;
                         if (r == 0) {
@@ -1044,8 +1036,8 @@ static int map_basic(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_
         }
 
         case SD_BUS_TYPE_ARRAY: {
-               _cleanup_strv_free_ char **l = NULL;
-               char ***p = userdata;
+                _cleanup_strv_free_ char **l = NULL;
+                char ***p = userdata;
 
                 r = bus_message_read_strv_extend(m, &l);
                 if (r < 0)
@@ -1384,849 +1376,8 @@ int bus_log_create_error(int r) {
         return log_error_errno(r, "Failed to create bus message: %m");
 }
 
-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);
-}
-
-int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment) {
-        const char *eq, *field;
-        int r, rl;
-
-        assert(m);
-        assert(assignment);
-
-        eq = strchr(assignment, '=');
-        if (!eq) {
-                log_error("Not an assignment: %s", assignment);
-                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++;
-
-        if (streq(field, "CPUQuota")) {
-
-                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) {
-                                log_error("CPU quota '%s' invalid.", eq);
-                                return -EINVAL;
-                        }
-
-                        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 log_error_errno(r, "Failed to parse %s= parameter: %s", field, eq);
-
-                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);
-
-        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",
-                       "PrivateTmp", "PrivateDevices", "PrivateNetwork", "NoNewPrivileges",
-                       "SyslogLevelPrefix", "Delegate", "RemainAfterElapse")) {
-
-                r = parse_boolean(eq);
-                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")) {
-                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);
-
-        } else if (streq(field, "TasksMax")) {
-                uint64_t n;
-
-                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 = 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,
-                              "User", "Group", "DevicePolicy", "KillMode",
-                              "UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath",
-                              "StandardInput", "StandardOutput", "StandardError",
-                              "Description", "Slice", "Type", "WorkingDirectory",
-                              "RootDirectory", "SyslogIdentifier", "ProtectSystem",
-                              "ProtectHome"))
-                r = sd_bus_message_append(m, "v", "s", eq);
-
-        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);
-                else {
-                        const char *path, *rwm, *e;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                rwm = e+1;
-                        } else {
-                                path = eq;
-                                rwm = "";
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm);
-                }
-
-        } else if (STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) {
-
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "v", "a(st)", 0);
-                else {
-                        const char *path, *bandwidth, *e;
-                        uint64_t bytes;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                bandwidth = e+1;
-                        } else {
-                                log_error("Failed to parse %s value %s.", field, eq);
-                                return -EINVAL;
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = parse_size(bandwidth, 1000, &bytes);
-                        if (r < 0) {
-                                log_error("Failed to parse byte value %s.", bandwidth);
-                                return -EINVAL;
-                        }
-
-                        r = sd_bus_message_append(m, "v", "a(st)", 1, path, bytes);
-                }
-
-        } else if (streq(field, "BlockIODeviceWeight")) {
-
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "v", "a(st)", 0);
-                else {
-                        const char *path, *weight, *e;
-                        uint64_t u;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                weight = e+1;
-                        } else {
-                                log_error("Failed to parse %s value %s.", field, eq);
-                                return -EINVAL;
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = safe_atou64(weight, &u);
-                        if (r < 0) {
-                                log_error("Failed to parse %s value %s.", field, weight);
-                                return -EINVAL;
-                        }
-                        r = sd_bus_message_append(m, "v", "a(st)", path, u);
-                }
-
-        } else if (streq(field, "Nice")) {
-                int32_t i;
-
-                r = safe_atoi32(eq, &i);
-                if (r < 0) {
-                        log_error("Failed to parse %s value %s.", field, eq);
-                        return -EINVAL;
-                }
-
-                r = sd_bus_message_append(m, "v", "i", i);
-
-        } 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);
-
-                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;
-
-                sig = signal_from_string_try_harder(eq);
-                if (sig < 0) {
-                        log_error("Failed to parse %s value %s.", field, eq);
-                        return -EINVAL;
-                }
-
-                r = sd_bus_message_append(m, "v", "i", sig);
-
-        } else if (streq(field, "TimerSlackNSec")) {
-                nsec_t n;
-
-                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", 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);
-
-        return 0;
-}
 #endif // 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;
-
 #if 0 /// UNNEEDED by elogind
-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_add_match(
-                        bus,
-                        &d->slot_job_removed,
-                        bus->bus_client ?
-                        "type='signal',"
-                        "sender='org.freedesktop.systemd1',"
-                        "interface='org.freedesktop.systemd1.Manager',"
-                        "member='JobRemoved',"
-                        "path='/org/freedesktop/systemd1'" :
-                        "type='signal',"
-                        "interface='org.freedesktop.systemd1.Manager',"
-                        "member='JobRemoved',"
-                        "path='/org/freedesktop/systemd1'",
-                        match_job_removed, d);
-        if (r < 0)
-                return r;
-
-        r = sd_bus_add_match(
-                        bus,
-                        &d->slot_disconnected,
-                        "type='signal',"
-                        "sender='org.freedesktop.DBus.Local',"
-                        "interface='org.freedesktop.DBus.Local',"
-                        "member='Disconnected'",
-                        match_disconnected, d);
-        if (r < 0)
-                return r;
-
-        *ret = d;
-        d = NULL;
-
-        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);
-
-        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",   "a configured resource limit was exceeded" },
-        { "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);
-
-        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;
-
-                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) {
-        int r = 0;
-
-        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, "done") && !streq(d->result, "skipped")) {
-                        if (d->name) {
-                                int q;
-                                _cleanup_free_ char *result = NULL;
-
-                                q = bus_job_get_service_result(d, &result);
-                                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, extra_args);
-                        } else
-                                log_error("Job failed. See \"journalctl -xe\" for details.");
-                }
-        }
-
-        if (streq(d->result, "canceled"))
-                r = -ECANCELED;
-        else if (streq(d->result, "timeout"))
-                r = -ETIME;
-        else if (streq(d->result, "dependency"))
-                r = -EIO;
-        else if (streq(d->result, "invalid"))
-                r = -ENOEXEC;
-        else if (streq(d->result, "assert"))
-                r = -EPROTO;
-        else if (streq(d->result, "unsupported"))
-                r = -EOPNOTSUPP;
-        else if (!streq(d->result, "done") && !streq(d->result, "skipped"))
-                r = -EIO;
-
-        return r;
-}
-
-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, unsigned *n_changes) {
-        const char *type, *path, *source;
-        int r;
-
-        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, false);
-        return 0;
-}
-
 /**
  * bus_path_encode_unique() - encode unique object path
  * @b: bus connection or NULL
diff --git a/src/shared/bus-util.h b/src/shared/bus-util.h
index 6fd6a3e8f..df446edc1 100644
--- a/src/shared/bus-util.h
+++ b/src/shared/bus-util.h
@@ -24,15 +24,12 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include "sd-bus-vtable.h"
 #include "sd-bus.h"
 #include "sd-event.h"
 
 #include "hashmap.h"
-//#include "install.h"
 #include "macro.h"
 #include "string-util.h"
-#include "time-util.h"
 
 typedef enum BusTransport {
         BUS_TRANSPORT_LOCAL,
@@ -81,17 +78,17 @@ int bus_verify_polkit_async(sd_bus_message *call, int capability, const char *ac
 void bus_verify_polkit_async_registry_free(Hashmap *registry);
 
 #if 0 /// UNNEEDED by elogind
-int bus_open_system_systemd(sd_bus **_bus);
-int bus_open_user_systemd(sd_bus **_bus);
 #endif // 0
+int bus_connect_system_systemd(sd_bus **_bus);
+int bus_connect_user_systemd(sd_bus **_bus);
 
 int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
 #if 0 /// UNNEEDED by elogind
-bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
 #endif // 0
+int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
 
-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);
+int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all);
+int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool value, bool all);
 
 int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
 
@@ -139,23 +136,7 @@ int bus_log_parse_error(int r);
 int bus_log_create_error(int r);
 
 #if 0 /// UNNEEDED by elogind
-typedef struct UnitInfo {
-        const char *machine;
-        const char *id;
-        const char *description;
-        const char *load_state;
-        const char *active_state;
-        const char *sub_state;
-        const char *following;
-        const char *unit_path;
-        uint32_t job_id;
-        const char *job_type;
-        const char *job_path;
-} UnitInfo;
-
-int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u);
 #endif // 0
-
 #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type)              \
         int function(sd_bus *bus,                                       \
                      const char *path,                                  \
@@ -188,20 +169,6 @@ int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u);
         SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags))
 
 #if 0 /// UNNEEDED by elogind
-int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment);
-
-typedef struct BusWaitForJobs BusWaitForJobs;
-
-int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret);
-void bus_wait_for_jobs_free(BusWaitForJobs *d);
-int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path);
-int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args);
-int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free);
-
-int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes);
-
 int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
 int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
 #endif // 0
diff --git a/src/shared/clean-ipc.c b/src/shared/clean-ipc.c
index c92ba677e..5ba296cc8 100644
--- a/src/shared/clean-ipc.c
+++ b/src/shared/clean-ipc.c
@@ -359,7 +359,6 @@ int clean_ipc(uid_t uid) {
         if (r < 0)
                 ret = r;
 
-
 #if 0 /// elogind does not use mq_open anywhere
         r = clean_posix_mq(uid);
         if (r < 0)
diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index 4ce470745..40b6327a5 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -430,15 +430,15 @@ int config_parse_many(const char *conf_file,
 #define DEFINE_PARSER(type, vartype, conv_func)                         \
         int config_parse_##type(                                        \
                         const char *unit,                               \
-                                const char *filename,                   \
-                                unsigned line,                          \
-                                const char *section,                    \
-                                unsigned section_line,                  \
-                                const char *lvalue,                     \
-                                int ltype,                              \
-                                const char *rvalue,                     \
-                                void *data,                             \
-                                void *userdata) {                       \
+                        const char *filename,                           \
+                        unsigned line,                                  \
+                        const char *section,                            \
+                        unsigned section_line,                          \
+                        const char *lvalue,                             \
+                        int ltype,                                      \
+                        const char *rvalue,                             \
+                        void *data,                                     \
+                        void *userdata) {                               \
                                                                         \
                 vartype *i = data;                                      \
                 int r;                                                  \
@@ -882,4 +882,41 @@ int config_parse_personality(
         *personality = p;
         return 0;
 }
+
+int config_parse_ifname(
+                const char *unit,
+                const char *filename,
+                unsigned line,
+                const char *section,
+                unsigned section_line,
+                const char *lvalue,
+                int ltype,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+
+        char **s = data;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        if (isempty(rvalue)) {
+                *s = mfree(*s);
+                return 0;
+        }
+
+        if (!ifname_valid(rvalue)) {
+                log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not valid or too long, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        r = free_and_strdup(s, rvalue);
+        if (r < 0)
+                return log_oom();
+
+        return 0;
+}
 #endif // 0
diff --git a/src/shared/conf-parser.h b/src/shared/conf-parser.h
index a42ca6b56..627aacb2e 100644
--- a/src/shared/conf-parser.h
+++ b/src/shared/conf-parser.h
@@ -134,6 +134,7 @@ int config_parse_log_level(const char *unit, const char *filename, unsigned line
 int config_parse_signal(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
 #if 0 /// UNNEEDED by elogind
 int config_parse_personality(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_ifname(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
 #endif // 0
 
 #define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg)                \
diff --git a/src/shared/pager.c b/src/shared/pager.c
index 8d60f8a7a..82bca83f5 100644
--- a/src/shared/pager.c
+++ b/src/shared/pager.c
@@ -64,7 +64,7 @@ int pager_open(bool no_pager, bool jump_to_end) {
                 return 1;
 
         if (!on_tty())
-                        return 0;
+                return 0;
 
         pager = getenv("SYSTEMD_PAGER");
         if (!pager)
@@ -158,13 +158,8 @@ void pager_close(void) {
                 return;
 
         /* Inform pager that we are done */
-#if defined(__GLIBC__)
         stdout = safe_fclose(stdout);
         stderr = safe_fclose(stderr);
-#else
-        (void) safe_fclose(stdout);
-        (void) safe_fclose(stderr);
-#endif // in musl-libc these are const
 
         (void) kill(pager_pid, SIGCONT);
         (void) wait_for_terminate(pager_pid, NULL);
diff --git a/src/shared/path-lookup.h b/src/shared/path-lookup.h
deleted file mode 100644
index adc77881a..000000000
--- a/src/shared/path-lookup.h
+++ /dev/null
@@ -1,58 +0,0 @@
-#pragma once
-
-/***
-  This file is part of systemd.
-
-  Copyright 2010 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdbool.h>
-#include "macro.h"
-
-typedef struct LookupPaths {
-        char **unit_path;
-} LookupPaths;
-
-typedef enum ManagerRunningAs {
-        MANAGER_SYSTEM,
-        MANAGER_USER,
-        _MANAGER_RUNNING_AS_MAX,
-        _MANAGER_RUNNING_AS_INVALID = -1
-} ManagerRunningAs;
-
-#if 0 /// UNNEEDED by elogind
-int user_config_home(char **config_home);
-int user_runtime_dir(char **runtime_dir);
-
-char **generator_paths(ManagerRunningAs running_as);
-
-int lookup_paths_init(LookupPaths *p,
-                      ManagerRunningAs running_as,
-                      bool personal,
-                      const char *root_dir,
-                      const char *generator,
-                      const char *generator_early,
-                      const char *generator_late);
-
-#include "install.h"
-
-int lookup_paths_init_from_scope(LookupPaths *paths,
-                                 UnitFileScope scope,
-                                 const char *root_dir);
-
-void lookup_paths_free(LookupPaths *p);
-#define _cleanup_lookup_paths_free_ _cleanup_(lookup_paths_free)
-#endif // 0
diff --git a/src/shared/udev-util.h b/src/shared/udev-util.h
index 74fe57e6d..d76ff5286 100644
--- a/src/shared/udev-util.h
+++ b/src/shared/udev-util.h
@@ -19,7 +19,11 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#if 0 /// elogind needs the systems udev header
+#include "udev.h"
+#else
 #include <libudev.h>
+#endif // 0
 #include "util.h"
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(struct udev*, udev_unref);