Esempio n. 1
0
/* create a new FDB entry or get an existing one. */
int fdb_entry_new_static(
                Network *network,
                unsigned section,
                FdbEntry **ret) {

        _cleanup_(fdb_entry_freep) FdbEntry *fdb_entry = NULL;
        struct ether_addr *mac_addr = NULL;

        assert(network);
        assert(ret);

        /* search entry in hashmap first. */
        if (section) {
                fdb_entry = hashmap_get(network->fdb_entries_by_section, UINT_TO_PTR(section));
                if (fdb_entry) {
                        *ret = TAKE_PTR(fdb_entry);

                        return 0;
                }
        }

        if (network->n_static_fdb_entries >= STATIC_FDB_ENTRIES_PER_NETWORK_MAX)
                return -E2BIG;

        /* allocate space for MAC address. */
        mac_addr = new0(struct ether_addr, 1);
        if (!mac_addr)
                return -ENOMEM;

        /* allocate space for and FDB entry. */
        fdb_entry = new0(FdbEntry, 1);
        if (!fdb_entry) {
                /* free previously allocated space for mac_addr. */
                free(mac_addr);
                return -ENOMEM;
        }

        /* init FDB structure. */
        fdb_entry->network = network;
        fdb_entry->mac_addr = mac_addr;

        LIST_PREPEND(static_fdb_entries, network->static_fdb_entries, fdb_entry);
        network->n_static_fdb_entries++;

        if (section) {
                fdb_entry->section = section;
                hashmap_put(network->fdb_entries_by_section,
                            UINT_TO_PTR(fdb_entry->section), fdb_entry);
        }

        /* return allocated FDB structure. */
        *ret = TAKE_PTR(fdb_entry);

        return 0;
}
Esempio n. 2
0
static int acquire_control_dirs(UnitFileScope scope, char **persistent, char **runtime) {
        _cleanup_free_ char *a = NULL;
        int r;

        assert(persistent);
        assert(runtime);

        switch (scope) {

        case UNIT_FILE_SYSTEM:  {
                _cleanup_free_ char *b = NULL;

                a = strdup("/etc/systemd/system.control");
                if (!a)
                        return -ENOMEM;

                b = strdup("/run/systemd/system.control");
                if (!b)
                        return -ENOMEM;

                *runtime = TAKE_PTR(b);

                break;
        }

        case UNIT_FILE_USER:
                r = xdg_user_config_dir(&a, "/systemd/user.control");
                if (r < 0 && r != -ENXIO)
                        return r;

                r = xdg_user_runtime_dir(runtime, "/systemd/user.control");
                if (r < 0) {
                        if (r != -ENXIO)
                                return r;

                        /* If XDG_RUNTIME_DIR is not set, don't consider this fatal, simply initialize the directory to
                         * NULL */
                        *runtime = NULL;
                }

                break;

        case UNIT_FILE_GLOBAL:
                return -EOPNOTSUPP;

        default:
                assert_not_reached("Hmm, unexpected scope value.");
        }

        *persistent = TAKE_PTR(a);

        return 0;
}
Esempio n. 3
0
static int acquire_generator_dirs(
                UnitFileScope scope,
                const char *tempdir,
                char **generator,
                char **generator_early,
                char **generator_late) {

        _cleanup_free_ char *x = NULL, *y = NULL, *z = NULL;
        const char *prefix;

        assert(generator);
        assert(generator_early);
        assert(generator_late);
        assert(IN_SET(scope, UNIT_FILE_SYSTEM, UNIT_FILE_USER, UNIT_FILE_GLOBAL));

        if (scope == UNIT_FILE_GLOBAL)
                return -EOPNOTSUPP;

        if (tempdir)
                prefix = tempdir;
        else if (scope == UNIT_FILE_SYSTEM)
                prefix = "/run/systemd";
        else if (scope == UNIT_FILE_USER) {
                const char *e;

                e = getenv("XDG_RUNTIME_DIR");
                if (!e)
                        return -ENXIO;

                prefix = strjoina(e, "/systemd");
        }

        x = strappend(prefix, "/generator");
        if (!x)
                return -ENOMEM;

        y = strappend(prefix, "/generator.early");
        if (!y)
                return -ENOMEM;

        z = strappend(prefix, "/generator.late");
        if (!z)
                return -ENOMEM;

        *generator = TAKE_PTR(x);
        *generator_early = TAKE_PTR(y);
        *generator_late = TAKE_PTR(z);

        return 0;
}
Esempio n. 4
0
static int acquire_config_dirs(UnitFileScope scope, char **persistent, char **runtime) {
        _cleanup_free_ char *a = NULL, *b = NULL;
        int r;

        assert(persistent);
        assert(runtime);

        switch (scope) {

        case UNIT_FILE_SYSTEM:
                a = strdup(SYSTEM_CONFIG_UNIT_PATH);
                b = strdup("/run/systemd/system");
                break;

        case UNIT_FILE_GLOBAL:
                a = strdup(USER_CONFIG_UNIT_PATH);
                b = strdup("/run/systemd/user");
                break;

        case UNIT_FILE_USER:
                r = xdg_user_config_dir(&a, "/systemd/user");
                if (r < 0 && r != -ENXIO)
                        return r;

                r = xdg_user_runtime_dir(runtime, "/systemd/user");
                if (r < 0) {
                        if (r != -ENXIO)
                                return r;

                        /* If XDG_RUNTIME_DIR is not set, don't consider that fatal, simply initialize the runtime
                         * directory to NULL */
                        *runtime = NULL;
                }

                *persistent = TAKE_PTR(a);

                return 0;

        default:
                assert_not_reached("Hmm, unexpected scope value.");
        }

        if (!a || !b)
                return -ENOMEM;

        *persistent = TAKE_PTR(a);
        *runtime = TAKE_PTR(b);

        return 0;
}
Esempio n. 5
0
static int prefix_new_static(Network *network, const char *filename,
                             unsigned section_line, Prefix **ret) {
        _cleanup_(network_config_section_freep) NetworkConfigSection *n = NULL;
        _cleanup_(prefix_freep) Prefix *prefix = NULL;
        int r;

        assert(network);
        assert(ret);
        assert(!!filename == (section_line > 0));

        if (filename) {
                r = network_config_section_new(filename, section_line, &n);
                if (r < 0)
                        return r;

                if (section_line) {
                        prefix = hashmap_get(network->prefixes_by_section, n);
                        if (prefix) {
                                *ret = TAKE_PTR(prefix);

                                return 0;
                        }
                }
        }

        r = prefix_new(&prefix);
        if (r < 0)
                return r;

        prefix->network = network;
        LIST_APPEND(prefixes, network->static_prefixes, prefix);
        network->n_static_prefixes++;

        if (filename) {
                prefix->section = TAKE_PTR(n);

                r = hashmap_ensure_allocated(&network->prefixes_by_section, &network_config_hash_ops);
                if (r < 0)
                        return r;

                r = hashmap_put(network->prefixes_by_section, prefix->section, prefix);
                if (r < 0)
                        return r;
        }

        *ret = TAKE_PTR(prefix);

        return 0;
}
Esempio n. 6
0
int config_parse_cpu_affinity(
                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) {

        _cleanup_cpu_free_ cpu_set_t *cpuset = NULL;
        Settings *settings = data;
        int ncpus;

        assert(rvalue);
        assert(settings);

        ncpus = parse_cpu_set_and_warn(rvalue, &cpuset, unit, filename, line, lvalue);
        if (ncpus < 0)
                return ncpus;

        if (ncpus == 0) {
                /* An empty assignment resets the CPU list */
                settings->cpuset = cpu_set_mfree(settings->cpuset);
                settings->cpuset_ncpus = 0;
                return 0;
        }

        if (!settings->cpuset) {
                settings->cpuset = TAKE_PTR(cpuset);
                settings->cpuset_ncpus = (unsigned) ncpus;
                return 0;
        }

        if (settings->cpuset_ncpus < (unsigned) ncpus) {
                CPU_OR_S(CPU_ALLOC_SIZE(settings->cpuset_ncpus), cpuset, settings->cpuset, cpuset);
                CPU_FREE(settings->cpuset);
                settings->cpuset = TAKE_PTR(cpuset);
                settings->cpuset_ncpus = (unsigned) ncpus;
                return 0;
        }

        CPU_OR_S(CPU_ALLOC_SIZE((unsigned) ncpus), settings->cpuset, settings->cpuset, cpuset);

        return 0;
}
Esempio n. 7
0
static int network_link_get_strv(int ifindex, const char *key, char ***ret) {
        char path[STRLEN("/run/systemd/netif/links/") + DECIMAL_STR_MAX(ifindex) + 1];
        _cleanup_strv_free_ char **a = NULL;
        _cleanup_free_ char *s = NULL;
        int r;

        assert_return(ifindex > 0, -EINVAL);
        assert_return(ret, -EINVAL);

        xsprintf(path, "/run/systemd/netif/links/%i", ifindex);
        r = parse_env_file(path, NEWLINE, key, &s, NULL);
        if (r == -ENOENT)
                return -ENODATA;
        if (r < 0)
                return r;
        if (isempty(s)) {
                *ret = NULL;
                return 0;
        }

        a = strv_split(s, " ");
        if (!a)
                return -ENOMEM;

        strv_uniq(a);
        r = strv_length(a);

        *ret = TAKE_PTR(a);

        return r;
}
Esempio n. 8
0
static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
        int r;

        assert(c);
        assert(event);
        assert(_bus);

        r = sd_bus_default_system(&bus);
        if (r < 0)
                return log_error_errno(r, "Failed to get system bus connection: %m");

        r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/hostname1", "org.freedesktop.hostname1", hostname_vtable, c);
        if (r < 0)
                return log_error_errno(r, "Failed to register object: %m");

        r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL);
        if (r < 0)
                return log_error_errno(r, "Failed to request name: %m");

        r = sd_bus_attach_event(bus, event, 0);
        if (r < 0)
                return log_error_errno(r, "Failed to attach bus to event loop: %m");

        *_bus = TAKE_PTR(bus);

        return 0;
}
Esempio n. 9
0
static int find_device(
                const struct rfkill_event *event,
                sd_device **ret) {
        _cleanup_(sd_device_unrefp) sd_device *device = NULL;
        _cleanup_free_ char *sysname = NULL;
        const char *name;
        int r;

        assert(event);
        assert(ret);

        if (asprintf(&sysname, "rfkill%i", event->idx) < 0)
                return log_oom();

        r = sd_device_new_from_subsystem_sysname(&device, "rfkill", sysname);
        if (r < 0)
                return log_full_errno(IN_SET(r, -ENOENT, -ENXIO, -ENODEV) ? LOG_DEBUG : LOG_ERR, r,
                                      "Failed to open device '%s': %m", sysname);

        r = sd_device_get_sysattr_value(device, "name", &name);
        if (r < 0)
                return log_debug_errno(r, "Device has no name, ignoring: %m");

        log_debug("Operating on rfkill device '%s'.", name);

        *ret = TAKE_PTR(device);
        return 0;
}
Esempio n. 10
0
static int file_of_seat(const char *seat, char **_p) {
        char *p;
        int r;

        assert(_p);

        if (seat) {
                if (!filename_is_valid(seat))
                        return -EINVAL;

                p = strappend("/run/systemd/seats/", seat);
        } else {
                _cleanup_free_ char *buf = NULL;

                r = sd_session_get_seat(NULL, &buf);
                if (r < 0)
                        return r;

                p = strappend("/run/systemd/seats/", buf);
        }

        if (!p)
                return -ENOMEM;

        *_p = TAKE_PTR(p);
        return 0;
}
Esempio n. 11
0
int raw_export_new(
                RawExport **ret,
                sd_event *event,
                RawExportFinished on_finished,
                void *userdata) {

        _cleanup_(raw_export_unrefp) RawExport *e = NULL;
        int r;

        assert(ret);

        e = new0(RawExport, 1);
        if (!e)
                return -ENOMEM;

        e->output_fd = e->input_fd = -1;
        e->on_finished = on_finished;
        e->userdata = userdata;

        RATELIMIT_INIT(e->progress_rate_limit, 100 * USEC_PER_MSEC, 1);
        e->last_percent = (unsigned) -1;

        if (event)
                e->event = sd_event_ref(event);
        else {
                r = sd_event_default(&e->event);
                if (r < 0)
                        return r;
        }

        *ret = TAKE_PTR(e);

        return 0;
}
Esempio n. 12
0
static int network_get_strv(const char *key, char ***ret) {
        _cleanup_strv_free_ char **a = NULL;
        _cleanup_free_ char *s = NULL;
        int r;

        assert_return(ret, -EINVAL);

        r = parse_env_file("/run/systemd/netif/state", NEWLINE, key, &s, NULL);
        if (r == -ENOENT)
                return -ENODATA;
        if (r < 0)
                return r;
        if (isempty(s)) {
                *ret = NULL;
                return 0;
        }

        a = strv_split(s, " ");
        if (!a)
                return -ENOMEM;

        strv_uniq(a);
        r = strv_length(a);

        *ret = TAKE_PTR(a);

        return r;
}
Esempio n. 13
0
static int extract_pretty(const char *path, const char *suffix, char **ret) {
        _cleanup_free_ char *name = NULL;
        const char *p;
        size_t n;

        assert(path);
        assert(ret);

        p = last_path_component(path);
        n = strcspn(p, "/");

        name = strndup(p, n);
        if (!name)
                return -ENOMEM;

        if (suffix) {
                char *e;

                e = endswith(name, suffix);
                if (!e)
                        return -EINVAL;

                *e = 0;
        }

        if (!image_name_is_valid(name))
                return -EINVAL;

        *ret = TAKE_PTR(name);
        return 0;
}
Esempio n. 14
0
static int manager_new(Manager **ret) {
        _cleanup_(manager_unrefp) Manager *m = NULL;
        int r;

        assert(ret);

        m = new0(Manager, 1);
        if (!m)
                return -ENOMEM;

        m->machines = hashmap_new(&string_hash_ops);
        m->machine_units = hashmap_new(&string_hash_ops);
        m->machine_leaders = hashmap_new(NULL);

        if (!m->machines || !m->machine_units || !m->machine_leaders)
                return -ENOMEM;

        r = sd_event_default(&m->event);
        if (r < 0)
                return r;

        r = sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL);
        if (r < 0)
                return r;

        r = sd_event_add_signal(m->event, NULL, SIGTERM, NULL, NULL);
        if (r < 0)
                return r;

        (void) sd_event_set_watchdog(m->event, true);

        *ret = TAKE_PTR(m);
        return 0;
}
Esempio n. 15
0
int find_converted_keymap(const char *x11_layout, const char *x11_variant, char **new_keymap) {
        const char *dir;
        _cleanup_free_ char *n;

        if (x11_variant)
                n = strjoin(x11_layout, "-", x11_variant);
        else
                n = strdup(x11_layout);
        if (!n)
                return -ENOMEM;

        NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS) {
                _cleanup_free_ char *p = NULL, *pz = NULL;
                bool uncompressed;

                p = strjoin(dir, "xkb/", n, ".map");
                pz = strjoin(dir, "xkb/", n, ".map.gz");
                if (!p || !pz)
                        return -ENOMEM;

                uncompressed = access(p, F_OK) == 0;
                if (uncompressed || access(pz, F_OK) == 0) {
                        log_debug("Found converted keymap %s at %s",
                                  n, uncompressed ? p : pz);

                        *new_keymap = TAKE_PTR(n);
                        return 1;
                }
        }
Esempio n. 16
0
static int allocate_journal_field(int fd, size_t size, char **ret, size_t *ret_size) {
        _cleanup_free_ char *field = NULL;
        ssize_t n;

        assert(fd >= 0);
        assert(ret);
        assert(ret_size);

        if (lseek(fd, 0, SEEK_SET) == (off_t) -1)
                return log_warning_errno(errno, "Failed to seek: %m");

        field = malloc(9 + size);
        if (!field) {
                log_warning("Failed to allocate memory for coredump, coredump will not be stored.");
                return -ENOMEM;
        }

        memcpy(field, "COREDUMP=", 9);

        n = read(fd, field + 9, size);
        if (n < 0)
                return log_error_errno((int) n, "Failed to read core data: %m");
        if ((size_t) n < size) {
                log_error("Core data too short.");
                return -EIO;
        }

        *ret = TAKE_PTR(field);
        *ret_size = size + 9;

        return 0;
}
Esempio n. 17
0
int get_locales(char ***ret) {
        _cleanup_set_free_ Set *locales = NULL;
        _cleanup_strv_free_ char **l = NULL;
        int r;

        locales = set_new(&string_hash_ops);
        if (!locales)
                return -ENOMEM;

        r = add_locales_from_archive(locales);
        if (r < 0 && r != -ENOENT)
                return r;

        r = add_locales_from_libdir(locales);
        if (r < 0)
                return r;

        l = set_get_strv(locales);
        if (!l)
                return -ENOMEM;

        strv_sort(l);

        *ret = TAKE_PTR(l);

        return 0;
}
Esempio n. 18
0
int device_wait_for_initialization(sd_device *device, const char *subsystem, sd_device **ret) {
        _cleanup_(sd_device_monitor_unrefp) sd_device_monitor *monitor = NULL;
        _cleanup_(sd_event_unrefp) sd_event *event = NULL;
        struct DeviceMonitorData data = {};
        int r;

        assert(device);
        assert(subsystem);

        if (sd_device_get_is_initialized(device) > 0) {
                if (ret)
                        *ret = sd_device_ref(device);
                return 0;
        }

        assert_se(sd_device_get_sysname(device, &data.sysname) >= 0);

        /* Wait until the device is initialized, so that we can get access to the ID_PATH property */

        r = sd_event_new(&event);
        if (r < 0)
                return log_error_errno(r, "Failed to get default event: %m");

        r = sd_device_monitor_new(&monitor);
        if (r < 0)
                return log_error_errno(r, "Failed to acquire monitor: %m");

        r = sd_device_monitor_filter_add_match_subsystem_devtype(monitor, subsystem, NULL);
        if (r < 0)
                return log_error_errno(r, "Failed to add %s subsystem match to monitor: %m", subsystem);

        r = sd_device_monitor_attach_event(monitor, event);
        if (r < 0)
                return log_error_errno(r, "Failed to attach event to device monitor: %m");

        r = sd_device_monitor_start(monitor, device_monitor_handler, &data);
        if (r < 0)
                return log_error_errno(r, "Failed to start device monitor: %m");

        /* Check again, maybe things changed. Udev will re-read the db if the device wasn't initialized
         * yet. */
        if (sd_device_get_is_initialized(device) > 0) {
                if (ret)
                        *ret = sd_device_ref(device);
                return 0;
        }

        r = sd_event_loop(event);
        if (r < 0)
                return log_error_errno(r, "Event loop failed: %m");

        if (ret)
                *ret = TAKE_PTR(data.device);
        return 0;
}
Esempio n. 19
0
int settings_load(FILE *f, const char *path, Settings **ret) {
        _cleanup_(settings_freep) Settings *s = NULL;
        int r;

        assert(path);
        assert(ret);

        s = new0(Settings, 1);
        if (!s)
                return -ENOMEM;

        s->start_mode = _START_MODE_INVALID;
        s->personality = PERSONALITY_INVALID;
        s->userns_mode = _USER_NAMESPACE_MODE_INVALID;
        s->resolv_conf = _RESOLV_CONF_MODE_INVALID;
        s->link_journal = _LINK_JOURNAL_INVALID;
        s->timezone = _TIMEZONE_MODE_INVALID;
        s->uid_shift = UID_INVALID;
        s->uid_range = UID_INVALID;
        s->no_new_privileges = -1;

        s->read_only = -1;
        s->volatile_mode = _VOLATILE_MODE_INVALID;
        s->userns_chown = -1;

        s->private_network = -1;
        s->network_veth = -1;

        r = config_parse(NULL, path, f,
                         "Exec\0"
                         "Network\0"
                         "Files\0",
                         config_item_perf_lookup, nspawn_gperf_lookup,
                         CONFIG_PARSE_WARN,
                         s);
        if (r < 0)
                return r;

        /* Make sure that if userns_mode is set, userns_chown is set to something appropriate, and vice versa. Either
         * both fields shall be initialized or neither. */
        if (s->userns_mode == USER_NAMESPACE_PICK)
                s->userns_chown = true;
        else if (s->userns_mode != _USER_NAMESPACE_MODE_INVALID && s->userns_chown < 0)
                s->userns_chown = false;

        if (s->userns_chown >= 0 && s->userns_mode == _USER_NAMESPACE_MODE_INVALID)
                s->userns_mode = USER_NAMESPACE_NO;

        *ret = TAKE_PTR(s);

        return 0;
}
static int routing_policy_rule_new_static(Network *network, const char *filename, unsigned section_line, RoutingPolicyRule **ret) {
        _cleanup_routing_policy_rule_free_ RoutingPolicyRule *rule = NULL;
        _cleanup_network_config_section_free_ NetworkConfigSection *n = NULL;
        int r;

        assert(network);
        assert(ret);
        assert(!!filename == (section_line > 0));

        r = network_config_section_new(filename, section_line, &n);
        if (r < 0)
                return r;

        rule = hashmap_get(network->rules_by_section, n);
        if (rule) {
                *ret = TAKE_PTR(rule);

                return 0;
        }

        r = routing_policy_rule_new(&rule);
        if (r < 0)
                return r;

        rule->section = n;
        rule->network = network;
        n = NULL;

        r = hashmap_put(network->rules_by_section, rule->section, rule);
        if (r < 0)
                return r;

        LIST_APPEND(rules, network->rules, rule);
        network->n_rules++;

        *ret = TAKE_PTR(rule);

        return 0;
}
Esempio n. 21
0
static int prompt_root_password(void) {
        const char *msg1, *msg2, *etc_shadow;
        int r;

        if (arg_root_password)
                return 0;

        if (!arg_prompt_root_password)
                return 0;

        etc_shadow = prefix_roota(arg_root, "/etc/shadow");
        if (laccess(etc_shadow, F_OK) >= 0)
                return 0;

        print_welcome();
        putchar('\n');

        msg1 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): ");
        msg2 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter new root password again: ");

        for (;;) {
                _cleanup_strv_free_erase_ char **a = NULL, **b = NULL;

                r = ask_password_tty(-1, msg1, NULL, 0, 0, NULL, &a);
                if (r < 0)
                        return log_error_errno(r, "Failed to query root password: %m");
                if (strv_length(a) != 1) {
                        log_warning("Received multiple passwords, where we expected one.");
                        return -EINVAL;
                }

                if (isempty(*a)) {
                        log_warning("No password entered, skipping.");
                        break;
                }

                r = ask_password_tty(-1, msg2, NULL, 0, 0, NULL, &b);
                if (r < 0)
                        return log_error_errno(r, "Failed to query root password: %m");

                if (!streq(*a, *b)) {
                        log_error("Entered passwords did not match, please try again.");
                        continue;
                }

                arg_root_password = TAKE_PTR(*a);
                break;
        }

        return 0;
}
Esempio n. 22
0
static int determine_matches(const char *image, char **l, bool allow_any, char ***ret) {
        _cleanup_strv_free_ char **k = NULL;
        int r;

        /* Determine the matches to apply. If the list is empty we derive the match from the image name. If the list
         * contains exactly the "-" we return a wildcard list (which is the empty list), but only if this is expressly
         * permitted. */

        if (strv_isempty(l)) {
                char *prefix;

                r = extract_prefix(image, &prefix);
                if (r < 0)
                        return log_error_errno(r, "Failed to extract prefix of image name '%s': %m", image);

                if (!arg_quiet)
                        log_info("(Matching unit files with prefix '%s'.)", prefix);

                r = strv_consume(&k, prefix);
                if (r < 0)
                        return log_oom();

        } else if (strv_equal(l, STRV_MAKE("-"))) {

                if (!allow_any)
                        return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
                                               "Refusing all unit file match.");

                if (!arg_quiet)
                        log_info("(Matching all unit files.)");
        } else {

                k = strv_copy(l);
                if (!k)
                        return log_oom();

                if (!arg_quiet) {
                        _cleanup_free_ char *joined = NULL;

                        joined = strv_join(k, "', '");
                        if (!joined)
                                return log_oom();

                        log_info("(Matching unit files with prefixes '%s'.)", joined);
                }
        }

        *ret = TAKE_PTR(k);

        return 0;
}
Esempio n. 23
0
int prefix_new(Prefix **ret) {
        _cleanup_(prefix_freep) Prefix *prefix = NULL;

        prefix = new0(Prefix, 1);
        if (!prefix)
                return -ENOMEM;

        if (sd_radv_prefix_new(&prefix->radv_prefix) < 0)
                return -ENOMEM;

        *ret = TAKE_PTR(prefix);

        return 0;
}
Esempio n. 24
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int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s) {
        NetworkConfigSection *cs;

        cs = malloc0(offsetof(NetworkConfigSection, filename) + strlen(filename) + 1);
        if (!cs)
                return -ENOMEM;

        strcpy(cs->filename, filename);
        cs->line = line;

        *s = TAKE_PTR(cs);

        return 0;
}
Esempio n. 25
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static int manager_add_host_machine(Manager *m) {
        _cleanup_free_ char *rd = NULL, *unit = NULL;
        sd_id128_t mid;
        Machine *t;
        int r;

        if (m->host_machine)
                return 0;

        r = sd_id128_get_machine(&mid);
        if (r < 0)
                return log_error_errno(r, "Failed to get machine ID: %m");

        rd = strdup("/");
        if (!rd)
                return log_oom();

        unit = strdup(SPECIAL_ROOT_SLICE);
        if (!unit)
                return log_oom();

        t = machine_new(m, MACHINE_HOST, ".host");
        if (!t)
                return log_oom();

        t->leader = 1;
        t->id = mid;

        t->root_directory = TAKE_PTR(rd);
        t->unit = TAKE_PTR(unit);

        dual_timestamp_from_boottime_or_monotonic(&t->timestamp, 0);

        m->host_machine = t;

        return 0;
}
Esempio n. 26
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int locale_write_data(Context *c, char ***settings) {
        int r, p;
        _cleanup_strv_free_ char **l = NULL;

        /* Set values will be returned as strv in *settings on success. */

        r = load_env_file(NULL, "/etc/locale.conf", NULL, &l);
        if (r < 0 && r != -ENOENT)
                return r;

        for (p = 0; p < _VARIABLE_LC_MAX; p++) {
                _cleanup_free_ char *t = NULL;
                char **u;
                const char *name;

                name = locale_variable_to_string(p);
                assert(name);

                if (isempty(c->locale[p])) {
                        l = strv_env_unset(l, name);
                        continue;
                }

                if (asprintf(&t, "%s=%s", name, c->locale[p]) < 0)
                        return -ENOMEM;

                u = strv_env_set(l, t);
                if (!u)
                        return -ENOMEM;

                strv_free(l);
                l = u;
        }

        if (strv_isempty(l)) {
                if (unlink("/etc/locale.conf") < 0)
                        return errno == ENOENT ? 0 : -errno;

                return 0;
        }

        r = write_env_file_label("/etc/locale.conf", l);
        if (r < 0)
                return r;

        *settings = TAKE_PTR(l);
        return 0;
}
Esempio n. 27
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/* Retrieve existing subsystems. This function is called in a new cgroup
 * namespace.
 */
static int get_process_controllers(Set **ret) {
        _cleanup_set_free_free_ Set *controllers = NULL;
        _cleanup_fclose_ FILE *f = NULL;
        int r;

        assert(ret);

        controllers = set_new(&string_hash_ops);
        if (!controllers)
                return -ENOMEM;

        f = fopen("/proc/self/cgroup", "re");
        if (!f)
                return errno == ENOENT ? -ESRCH : -errno;

        for (;;) {
                _cleanup_free_ char *line = NULL;
                char *e, *l;

                r = read_line(f, LONG_LINE_MAX, &line);
                if (r < 0)
                        return r;
                if (r == 0)
                        break;

                l = strchr(line, ':');
                if (!l)
                        continue;

                l++;
                e = strchr(l, ':');
                if (!e)
                        continue;

                *e = 0;

                if (STR_IN_SET(l, "", "name=systemd", "name=unified"))
                        continue;

                r = set_put_strdup(controllers, l);
                if (r < 0)
                        return r;
        }

        *ret = TAKE_PTR(controllers);

        return 0;
}
Esempio n. 28
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static int image_new(
                ImageType t,
                const char *pretty,
                const char *path,
                const char *filename,
                bool read_only,
                usec_t crtime,
                usec_t mtime,
                Image **ret) {

        _cleanup_(image_unrefp) Image *i = NULL;

        assert(t >= 0);
        assert(t < _IMAGE_TYPE_MAX);
        assert(pretty);
        assert(filename);
        assert(ret);

        i = new0(Image, 1);
        if (!i)
                return -ENOMEM;

        i->n_ref = 1;
        i->type = t;
        i->read_only = read_only;
        i->crtime = crtime;
        i->mtime = mtime;
        i->usage = i->usage_exclusive = (uint64_t) -1;
        i->limit = i->limit_exclusive = (uint64_t) -1;

        i->name = strdup(pretty);
        if (!i->name)
                return -ENOMEM;

        if (path)
                i->path = strjoin(path, "/", filename);
        else
                i->path = strdup(filename);
        if (!i->path)
                return -ENOMEM;

        path_simplify(i->path, false);

        *ret = TAKE_PTR(i);

        return 0;
}
Esempio n. 29
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int locale_write_data(Context *c, char ***settings) {
        _cleanup_strv_free_ char **l = NULL;
        struct stat st;
        int r, p;

        /* Set values will be returned as strv in *settings on success. */

        for (p = 0; p < _VARIABLE_LC_MAX; p++) {
                _cleanup_free_ char *t = NULL;
                char **u;
                const char *name;

                name = locale_variable_to_string(p);
                assert(name);

                if (isempty(c->locale[p]))
                        continue;

                if (asprintf(&t, "%s=%s", name, c->locale[p]) < 0)
                        return -ENOMEM;

                u = strv_env_set(l, t);
                if (!u)
                        return -ENOMEM;

                strv_free_and_replace(l, u);
        }

        if (strv_isempty(l)) {
                if (unlink("/etc/locale.conf") < 0)
                        return errno == ENOENT ? 0 : -errno;

                c->locale_mtime = USEC_INFINITY;
                return 0;
        }

        r = write_env_file_label("/etc/locale.conf", l);
        if (r < 0)
                return r;

        *settings = TAKE_PTR(l);

        if (stat("/etc/locale.conf", &st) >= 0)
                c->locale_mtime = timespec_load(&st.st_mtim);

        return 0;
}
Esempio n. 30
0
_public_ int sd_network_get_operational_state(char **state) {
        _cleanup_free_ char *s = NULL;
        int r;

        assert_return(state, -EINVAL);

        r = parse_env_file("/run/systemd/netif/state", NEWLINE, "OPER_STATE", &s, NULL);
        if (r == -ENOENT)
                return -ENODATA;
        if (r < 0)
                return r;
        if (isempty(s))
                return -ENODATA;

        *state = TAKE_PTR(s);

        return 0;
}