28485131107

Committed 30 Jun 2026 03:24PM UTC coverage: 72.877% (+0.07%) from 72.809%

Build # 28485131107

Build Type

push

github

Committed by

bluca

Commit Message

test: reduce number of disks in TEST-64-UDEV-STORAGE-simultaneous_events on Debian/Ubuntu

This test never finishes in Ubuntu autopkgtest with the current values,
and is currently skipped all together on Debian. When running on either,
reduce the number of disks to make the test more reliable.

Coverage Stats

341909 of 469157 relevant lines covered (72.88%)

1343417.0 hits per line

Source File
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87.92

/src/userdb/userwork.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <poll.h>

#include "sd-daemon.h"
#include "sd-varlink.h"

#include "alloc-util.h"
#include "argv-util.h"
#include "env-util.h"
#include "errno-util.h"
#include "fd-util.h"
#include "group-record.h"
#include "io-util.h"
#include "json-util.h"
#include "main-func.h"
#include "pidref.h"
#include "string-util.h"
#include "time-util.h"
#include "user-record.h"
#include "user-util.h"
#include "userdb.h"
#include "varlink-io.systemd.UserDatabase.h"
#include "varlink-util.h"

#define ITERATIONS_MAX 64U
#define RUNTIME_MAX_USEC (5 * USEC_PER_MINUTE)
#define PRESSURE_SLEEP_TIME_USEC (50 * USEC_PER_MSEC)
#define CONNECTION_IDLE_USEC (15 * USEC_PER_SEC)
#define LISTEN_IDLE_USEC (90 * USEC_PER_SEC)

typedef struct LookupParameters {
        const char *name;
        union {
                uid_t uid;
                gid_t gid;
        };
        const char *service;
        UserDBMatch match;
} LookupParameters;

static void lookup_parameters_done(LookupParameters *p) {
        assert(p);

        userdb_match_done(&p->match);
}

static int add_nss_service(sd_json_variant **v) {
        _cleanup_(sd_json_variant_unrefp) sd_json_variant *status = NULL, *z = NULL;
        sd_id128_t mid;
        int r;

        assert(v);

        /* Patch in service field if it's missing. The assumption here is that this field is unset only for
         * NSS records */

        if (sd_json_variant_by_key(*v, "service"))
                return 0;

        r = sd_id128_get_machine(&mid);
        if (r < 0)
                return r;

        status = sd_json_variant_ref(sd_json_variant_by_key(*v, "status"));
        z = sd_json_variant_ref(sd_json_variant_by_key(status, SD_ID128_TO_STRING(mid)));

        if (sd_json_variant_by_key(z, "service"))
                return 0;

        r = sd_json_variant_set_field_string(&z, "service", "io.systemd.NameServiceSwitch");
        if (r < 0)
                return r;

        r = sd_json_variant_set_field(&status, SD_ID128_TO_STRING(mid), z);
        if (r < 0)
                return r;

        return sd_json_variant_set_field(v, "status", status);
}

static int build_user_json(sd_varlink *link, UserRecord *ur, sd_json_variant **ret) {
        _cleanup_(user_record_unrefp) UserRecord *stripped = NULL;
        _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
        UserRecordLoadFlags flags;
        uid_t peer_uid;
        bool trusted;
        int r;

        assert(ur);
        assert(ret);

        r = sd_varlink_get_peer_uid(link, &peer_uid);
        if (r < 0) {
                log_debug_errno(r, "Unable to query peer UID, ignoring: %m");
                trusted = false;
        } else
                trusted = peer_uid == 0 || peer_uid == ur->uid;

        flags = USER_RECORD_REQUIRE_REGULAR|USER_RECORD_ALLOW_PER_MACHINE|USER_RECORD_ALLOW_BINDING|USER_RECORD_STRIP_SECRET|USER_RECORD_ALLOW_STATUS|USER_RECORD_ALLOW_SIGNATURE|USER_RECORD_PERMISSIVE;
        if (trusted)
                flags |= USER_RECORD_ALLOW_PRIVILEGED;
        else
                flags |= USER_RECORD_STRIP_PRIVILEGED;

        r = user_record_clone(ur, flags, &stripped);
        if (r < 0)
                return r;

        stripped->incomplete =
                ur->incomplete ||
                (FLAGS_SET(ur->mask, USER_RECORD_PRIVILEGED) &&
                 !FLAGS_SET(stripped->mask, USER_RECORD_PRIVILEGED));

        v = sd_json_variant_ref(stripped->json);
        r = add_nss_service(&v);
        if (r < 0)
                return r;

        return sd_json_buildo(
                        ret,
                        SD_JSON_BUILD_PAIR_VARIANT("record", v),
                        SD_JSON_BUILD_PAIR_BOOLEAN("incomplete", stripped->incomplete));
}

static int userdb_flags_from_service(sd_varlink *link, const char *service, UserDBFlags *ret) {
        assert(link);
        assert(ret);

        if (streq_ptr(service, "io.systemd.NameServiceSwitch"))
                *ret = USERDB_NSS_ONLY|USERDB_AVOID_MULTIPLEXER;
        else if (streq_ptr(service, "io.systemd.DropIn"))
                *ret = USERDB_DROPIN_ONLY|USERDB_AVOID_MULTIPLEXER;
        else if (streq_ptr(service, "io.systemd.Multiplexer"))
                *ret = USERDB_AVOID_MULTIPLEXER;
        else
                return sd_varlink_error(link, "io.systemd.UserDatabase.BadService", NULL);

        return 0;
}

static int vl_method_get_user_record(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {

        static const sd_json_dispatch_field dispatch_table[] = {
                { "uid",             _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uid_gid,            offsetof(LookupParameters, uid),                    0             },
                { "userName",        SD_JSON_VARIANT_STRING,        json_dispatch_const_user_group_name, offsetof(LookupParameters, name),                   SD_JSON_RELAX },
                { "service",         SD_JSON_VARIANT_STRING,        sd_json_dispatch_const_string,       offsetof(LookupParameters, service),                0             },
                { "fuzzyNames",      SD_JSON_VARIANT_ARRAY,         sd_json_dispatch_strv,               offsetof(LookupParameters, match.fuzzy_names),      0             },
                { "dispositionMask", SD_JSON_VARIANT_ARRAY,         json_dispatch_dispositions_mask,     offsetof(LookupParameters, match.disposition_mask), 0             },
                { "uidMin",          _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uid_gid,            offsetof(LookupParameters, match.uid_min),          0             },
                { "uidMax",          _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uid_gid,            offsetof(LookupParameters, match.uid_max),          0             },
                { "uuid",            SD_JSON_VARIANT_STRING,        sd_json_dispatch_id128,              offsetof(LookupParameters, match.uuid),             0             },
                {}
        };

        _cleanup_(user_record_unrefp) UserRecord *hr = NULL;
        _cleanup_(lookup_parameters_done) LookupParameters p = {
                .uid = UID_INVALID,
                .match = USERDB_MATCH_NULL,
        };
        UserDBFlags userdb_flags;
        int r;

        assert(parameters);

        r = sd_varlink_dispatch(link, parameters, dispatch_table, &p);
        if (r != 0)
                return r;

        r = userdb_flags_from_service(link, p.service, &userdb_flags);
        if (r != 0) /* return value of < 0 means error (as usual); > 0 means 'already processed and replied,
                     * we are done'; == 0 means 'not processed, caller should process now' */
                return r;

        r = sd_varlink_set_sentinel(link, "io.systemd.UserDatabase.NoRecordFound");
        if (r < 0)
                return r;

        /* Prefer lookup by name if both name and UID are specified, so NSS-backed records preserve
         * the requested lookup name as an alias before we check the UID below. */
        if (p.name)
                r = userdb_by_name(p.name, &p.match, userdb_flags, &hr);
        else if (uid_is_valid(p.uid))
                r = userdb_by_uid(p.uid, &p.match, userdb_flags, &hr);
        else {
                _cleanup_(userdb_iterator_freep) UserDBIterator *iterator = NULL;

                r = userdb_all(&p.match, userdb_flags, &iterator);
                if (IN_SET(r, -ESRCH, -ENOLINK))
                        /* We turn off Varlink lookups in various cases (e.g. in case we only enable DropIn
                         * backend) — this might make userdb_all return ENOLINK (which indicates that varlink
                         * was off and no other suitable source or entries were found). Let's hide this
                         * implementation detail and always return NoRecordFound in this case, since from a
                         * client's perspective it's irrelevant if there was no entry at all or just not on
                         * the service that the query was limited to. */
                        return 0;
                if (r < 0)
                        return r;

                for (;;) {
                        _cleanup_(user_record_unrefp) UserRecord *z = NULL;

                        r = userdb_iterator_get(iterator, &p.match, &z);
                        if (r == -ESRCH)
                                break;
                        if (r < 0)
                                return r;

                        _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
                        r = build_user_json(link, z, &v);
                        if (r < 0)
                                return r;

                        r = sd_varlink_reply(link, v);
                        if (r < 0)
                                return r;
                }

                return 0;
        }
        if (r == -ESRCH)
                return 0;
        if (r == -ENOEXEC)
                return sd_varlink_error(link, "io.systemd.UserDatabase.NonMatchingRecordFound", NULL);
        if (r < 0) {
                log_debug_errno(r, "User lookup failed abnormally: %m");
                return sd_varlink_error(link, "io.systemd.UserDatabase.ServiceNotAvailable", NULL);
        }

        if ((uid_is_valid(p.uid) && hr->uid != p.uid) ||
            (p.name && !user_record_matches_user_name(hr, p.name)))
                return sd_varlink_error(link, "io.systemd.UserDatabase.ConflictingRecordFound", NULL);

        _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
        r = build_user_json(link, hr, &v);
        if (r < 0)
                return r;

        return sd_varlink_reply(link, v);
}

static int build_group_json(sd_varlink *link, GroupRecord *gr, sd_json_variant **ret) {
        _cleanup_(group_record_unrefp) GroupRecord *stripped = NULL;
        _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
        UserRecordLoadFlags flags;
        uid_t peer_uid;
        bool trusted;
        int r;

        assert(gr);
        assert(ret);

        r = sd_varlink_get_peer_uid(link, &peer_uid);
        if (r < 0) {
                log_debug_errno(r, "Unable to query peer UID, ignoring: %m");
                trusted = false;
        } else
                trusted = peer_uid == 0;

        flags = USER_RECORD_REQUIRE_REGULAR|USER_RECORD_ALLOW_PER_MACHINE|USER_RECORD_ALLOW_BINDING|USER_RECORD_STRIP_SECRET|USER_RECORD_ALLOW_STATUS|USER_RECORD_ALLOW_SIGNATURE|USER_RECORD_PERMISSIVE;
        if (trusted)
                flags |= USER_RECORD_ALLOW_PRIVILEGED;
        else
                flags |= USER_RECORD_STRIP_PRIVILEGED;

        r = group_record_clone(gr, flags, &stripped);
        if (r < 0)
                return r;

        stripped->incomplete =
                gr->incomplete ||
                (FLAGS_SET(gr->mask, USER_RECORD_PRIVILEGED) &&
                 !FLAGS_SET(stripped->mask, USER_RECORD_PRIVILEGED));

        v = sd_json_variant_ref(stripped->json);
        r = add_nss_service(&v);
        if (r < 0)
                return r;

        return sd_json_buildo(
                        ret,
                        SD_JSON_BUILD_PAIR_VARIANT("record", v),
                        SD_JSON_BUILD_PAIR_BOOLEAN("incomplete", stripped->incomplete));
}

static int vl_method_get_group_record(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {

        static const sd_json_dispatch_field dispatch_table[] = {
                { "gid",             _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uid_gid,            offsetof(LookupParameters, gid),                    0             },
                { "groupName",       SD_JSON_VARIANT_STRING,        json_dispatch_const_user_group_name, offsetof(LookupParameters, name),                   SD_JSON_RELAX },
                { "service",         SD_JSON_VARIANT_STRING,        sd_json_dispatch_const_string,       offsetof(LookupParameters, service),                0             },
                { "fuzzyNames",      SD_JSON_VARIANT_ARRAY,         sd_json_dispatch_strv,               offsetof(LookupParameters, match.fuzzy_names),      0             },
                { "dispositionMask", SD_JSON_VARIANT_ARRAY,         json_dispatch_dispositions_mask,     offsetof(LookupParameters, match.disposition_mask), 0             },
                { "gidMin",          _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uid_gid,            offsetof(LookupParameters, match.gid_min),          0             },
                { "gidMax",          _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uid_gid,            offsetof(LookupParameters, match.gid_max),          0             },
                { "uuid",            SD_JSON_VARIANT_STRING,        sd_json_dispatch_id128,              offsetof(LookupParameters, match.uuid),             0             },
                {}
        };

        _cleanup_(group_record_unrefp) GroupRecord *g = NULL;
        _cleanup_(lookup_parameters_done) LookupParameters p = {
                .gid = GID_INVALID,
                .match = USERDB_MATCH_NULL,
        };
        UserDBFlags userdb_flags;
        int r;

        assert(parameters);

        r = sd_varlink_dispatch(link, parameters, dispatch_table, &p);
        if (r != 0)
                return r;

        r = userdb_flags_from_service(link, p.service, &userdb_flags);
        if (r != 0)
                return r;

        r = sd_varlink_set_sentinel(link, "io.systemd.UserDatabase.NoRecordFound");
        if (r < 0)
                return r;

        /* Prefer lookup by name if both name and GID are specified, so NSS-backed records preserve
         * the requested lookup name as an alias before we check the GID below. */
        if (p.name)
                r = groupdb_by_name(p.name, &p.match, userdb_flags, &g);
        else if (gid_is_valid(p.gid))
                r = groupdb_by_gid(p.gid, &p.match, userdb_flags, &g);
        else {
                _cleanup_(userdb_iterator_freep) UserDBIterator *iterator = NULL;

                r = groupdb_all(&p.match, userdb_flags, &iterator);
                if (IN_SET(r, -ESRCH, -ENOLINK))
                        return 0;
                if (r < 0)
                        return r;

                for (;;) {
                        _cleanup_(group_record_unrefp) GroupRecord *z = NULL;

                        r = groupdb_iterator_get(iterator, &p.match, &z);
                        if (r == -ESRCH)
                                break;
                        if (r < 0)
                                return r;

                        _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
                        r = build_group_json(link, z, &v);
                        if (r < 0)
                                return r;

                        r = sd_varlink_reply(link, v);
                        if (r < 0)
                                return r;
                }

                return 0;
        }
        if (r == -ESRCH)
                return 0;
        if (r == -ENOEXEC)
                return sd_varlink_error(link, "io.systemd.UserDatabase.NonMatchingRecordFound", NULL);
        if (r < 0) {
                log_debug_errno(r, "Group lookup failed abnormally: %m");
                return sd_varlink_error(link, "io.systemd.UserDatabase.ServiceNotAvailable", NULL);
        }

        if ((gid_is_valid(p.gid) && g->gid != p.gid) ||
            (p.name && !group_record_matches_group_name(g, p.name)))
                return sd_varlink_error(link, "io.systemd.UserDatabase.ConflictingRecordFound", NULL);

        _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
        r = build_group_json(link, g, &v);
        if (r < 0)
                return r;

        return sd_varlink_reply(link, v);
}

typedef struct MembershipLookupParameters {
        const char *user_name;
        const char *group_name;
        const char *service;
} MembershipLookupParameters;

static int vl_method_get_memberships(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {
        static const sd_json_dispatch_field dispatch_table[] = {
                { "userName",  SD_JSON_VARIANT_STRING, json_dispatch_const_user_group_name, offsetof(MembershipLookupParameters, user_name),  SD_JSON_RELAX },
                { "groupName", SD_JSON_VARIANT_STRING, json_dispatch_const_user_group_name, offsetof(MembershipLookupParameters, group_name), SD_JSON_RELAX },
                { "service",   SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string,       offsetof(MembershipLookupParameters, service),    0             },
                {}
        };

        _cleanup_(userdb_iterator_freep) UserDBIterator *iterator = NULL;
        MembershipLookupParameters p = {};
        UserDBFlags userdb_flags;
        int r;

        assert(parameters);

        r = sd_varlink_dispatch(link, parameters, dispatch_table, &p);
        if (r != 0)
                return r;

        r = userdb_flags_from_service(link, p.service, &userdb_flags);
        if (r != 0)
                return r;

        r = sd_varlink_set_sentinel(link, "io.systemd.UserDatabase.NoRecordFound");
        if (r < 0)
                return r;

        if (p.group_name)
                r = membershipdb_by_group(p.group_name, userdb_flags, &iterator);
        else if (p.user_name)
                r = membershipdb_by_user(p.user_name, userdb_flags, &iterator);
        else
                r = membershipdb_all(userdb_flags, &iterator);
        if (IN_SET(r, -ESRCH, -ENOLINK))
                return 0;
        if (r < 0)
                return r;

        for (;;) {
                _cleanup_free_ char *user_name = NULL, *group_name = NULL;

                r = membershipdb_iterator_get(iterator, &user_name, &group_name);
                if (r == -ESRCH)
                        break;
                if (r < 0)
                        return r;

                /* If both group + user are specified do a-posteriori filtering */
                if (p.group_name && p.user_name && !streq(group_name, p.group_name))
                        continue;

                r = sd_varlink_replybo(
                                link,
                                SD_JSON_BUILD_PAIR_STRING("userName", user_name),
                                SD_JSON_BUILD_PAIR_STRING("groupName", group_name));
                if (r < 0)
                        return r;
        }

        return 0;
}

static int process_connection(sd_varlink_server *server, int _fd) {
        _cleanup_close_ int fd = TAKE_FD(_fd); /* always take possession */
        _cleanup_(sd_varlink_close_unrefp) sd_varlink *vl = NULL;
        int r;

        assert(server);
        assert(fd >= 0);

        r = sd_varlink_server_add_connection(server, fd, &vl);
        if (r < 0)
                return log_error_errno(r, "Failed to add connection: %m");

        TAKE_FD(fd);
        vl = sd_varlink_ref(vl);

        for (;;) {
                r = sd_varlink_process(vl);
                if (r == -ENOTCONN) {
                        log_debug("Connection terminated.");
                        break;
                }
                if (r < 0)
                        return log_error_errno(r, "Failed to process connection: %m");
                if (r > 0)
                        continue;

                r = sd_varlink_wait(vl, CONNECTION_IDLE_USEC);
                if (r < 0)
                        return log_error_errno(r, "Failed to wait for connection events: %m");
                if (r == 0)
                        break;
        }

        return 0;
}

static int run(int argc, char *argv[]) {
        usec_t start_time, listen_idle_usec, last_busy_usec = USEC_INFINITY;
        _cleanup_(sd_varlink_server_unrefp) sd_varlink_server *server = NULL;
        _cleanup_(pidref_done) PidRef parent = PIDREF_NULL;
        unsigned n_iterations = 0;
        int m, listen_fd, r;

        log_setup();

        m = sd_listen_fds(false);
        if (m < 0)
                return log_error_errno(m, "Failed to determine number of listening fds: %m");
        if (m == 0)
                return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "No socket to listen on received.");
        if (m > 1)
                return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Worker can only listen on a single socket at a time.");

        listen_fd = SD_LISTEN_FDS_START;

        r = fd_nonblock(listen_fd, false);
        if (r < 0)
                return log_error_errno(r, "Failed to turn off non-blocking mode for listening socket: %m");

        r = varlink_server_new(&server, 0, NULL);
        if (r < 0)
                return log_error_errno(r, "Failed to allocate varlink server: %m");

        r = sd_varlink_server_add_interface(server, &vl_interface_io_systemd_UserDatabase);
        if (r < 0)
                return log_error_errno(r, "Failed to add UserDatabase interface to varlink server: %m");

        r = sd_varlink_server_bind_method_many(
                        server,
                        "io.systemd.UserDatabase.GetUserRecord",  vl_method_get_user_record,
                        "io.systemd.UserDatabase.GetGroupRecord", vl_method_get_group_record,
                        "io.systemd.UserDatabase.GetMemberships", vl_method_get_memberships);
        if (r < 0)
                return log_error_errno(r, "Failed to bind methods: %m");

        r = getenv_bool("USERDB_FIXED_WORKER");
        if (r < 0)
                return log_error_errno(r, "Failed to parse USERDB_FIXED_WORKER: %m");
        listen_idle_usec = r ? USEC_INFINITY : LISTEN_IDLE_USEC;

        r = userdb_block_nss_systemd(true);
        if (r < 0)
                return log_error_errno(r, "Failed to disable userdb NSS compatibility: %m");

        r = pidref_set_parent(&parent);
        if (r < 0)
                return log_error_errno(r, "Failed to acquire pidfd of parent process: %m");
        if (parent.pid == 1) /* We got reparented away from userdbd? */
                return log_error_errno(SYNTHETIC_ERRNO(ESRCH), "Parent already died, exiting.");

        start_time = now(CLOCK_MONOTONIC);

        for (;;) {
                _cleanup_close_ int fd = -EBADF;
                usec_t n;

                /* Exit the worker in regular intervals, to flush out all memory use */
                if (n_iterations++ > ITERATIONS_MAX) {
                        log_debug("Exiting worker, processed %u iterations, that's enough.", n_iterations);
                        break;
                }

                n = now(CLOCK_MONOTONIC);
                if (n >= usec_add(start_time, RUNTIME_MAX_USEC)) {
                        log_debug("Exiting worker, ran for %s, that's enough.",
                                  FORMAT_TIMESPAN(usec_sub_unsigned(n, start_time), 0));
                        break;
                }

                if (last_busy_usec == USEC_INFINITY)
                        last_busy_usec = n;
                else if (listen_idle_usec != USEC_INFINITY && n >= usec_add(last_busy_usec, listen_idle_usec)) {
                        log_debug("Exiting worker, been idle for %s.",
                                  FORMAT_TIMESPAN(usec_sub_unsigned(n, last_busy_usec), 0));
                        break;
                }

                (void) rename_process("systemd-userwork: waiting...");
                fd = RET_NERRNO(accept4(listen_fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC));
                (void) rename_process("systemd-userwork: processing...");

                if (fd == -EAGAIN)
                        continue; /* The listening socket has SO_RECVTIMEO set, hence a timeout is expected
                                   * after a while, let's check if it's time to exit though. */
                if (fd == -EINTR)
                        continue; /* Might be that somebody attached via strace, let's just continue in that
                                   * case */
                if (fd < 0)
                        return log_error_errno(fd, "Failed to accept() from listening socket: %m");

                if (now(CLOCK_MONOTONIC) <= usec_add(n, PRESSURE_SLEEP_TIME_USEC)) {
                        /* We only slept a very short time? If so, let's see if there are more sockets
                         * pending, and if so, let's ask our parent for more workers */

                        r = fd_wait_for_event(listen_fd, POLLIN, 0);
                        if (r < 0)
                                return log_error_errno(r, "Failed to test for POLLIN on listening socket: %m");

                        if (FLAGS_SET(r, POLLIN)) {
                                r = pidref_kill(&parent, SIGUSR2);
                                if (r == -ESRCH)
                                        return log_error_errno(r, "Parent already died?");
                                if (r < 0)
                                        return log_error_errno(r, "Failed to send SIGUSR2 signal to parent: %m");
                        }
                }

                (void) process_connection(server, TAKE_FD(fd));
                last_busy_usec = USEC_INFINITY;
        }

        return 0;
}

DEFINE_MAIN_FUNCTION(run);

systemd / systemd / 28485131107

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