#include "alloc-util.h"
#include "analyze-verify.h"
#include "bus-error.h"
+#include "bus-unit-util.h"
#include "bus-util.h"
#include "glob-util.h"
#include "hashmap.h"
#include "sd-bus.h"
#include "bus-error.h"
+#include "bus-unit-util.h"
#include "bus-util.h"
#include "nspawn-register.h"
#include "stat-util.h"
#include "alloc-util.h"
#include "bus-error.h"
+#include "bus-unit-util.h"
#include "bus-util.h"
#include "calendarspec.h"
#include "env-util.h"
#include "utf8.h"
#include "util.h"
+int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
+ assert(message);
+ assert(u);
+
+ u->machine = NULL;
+
+ return sd_bus_message_read(
+ message,
+ "(ssssssouso)",
+ &u->id,
+ &u->description,
+ &u->load_state,
+ &u->active_state,
+ &u->sub_state,
+ &u->following,
+ &u->unit_path,
+ &u->job_id,
+ &u->job_type,
+ &u->job_path);
+}
+
+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;
+}
+
+typedef struct BusWaitForJobs {
+ sd_bus *bus;
+ Set *jobs;
+
+ char *name;
+ char *result;
+
+ sd_bus_slot *slot_job_removed;
+ sd_bus_slot *slot_disconnected;
+} BusWaitForJobs;
+
+static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ assert(m);
+
+ log_error("Warning! D-Bus connection terminated.");
+ sd_bus_close(sd_bus_message_get_bus(m));
+
+ return 0;
+}
+
+static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ const char *path, *unit, *result;
+ BusWaitForJobs *d = userdata;
+ uint32_t id;
+ char *found;
+ int r;
+
+ assert(m);
+ assert(d);
+
+ r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return 0;
+ }
+
+ found = set_remove(d->jobs, (char*) path);
+ if (!found)
+ return 0;
+
+ free(found);
+
+ if (!isempty(result))
+ d->result = strdup(result);
+
+ if (!isempty(unit))
+ d->name = strdup(unit);
+
+ return 0;
+}
+
+void bus_wait_for_jobs_free(BusWaitForJobs *d) {
+ if (!d)
+ return;
+
+ set_free_free(d->jobs);
+
+ sd_bus_slot_unref(d->slot_disconnected);
+ sd_bus_slot_unref(d->slot_job_removed);
+
+ sd_bus_unref(d->bus);
+
+ free(d->name);
+ free(d->result);
+
+ free(d);
+}
+
+int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) {
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL;
+ int r;
+
+ assert(bus);
+ assert(ret);
+
+ d = new0(BusWaitForJobs, 1);
+ if (!d)
+ return -ENOMEM;
+
+ d->bus = sd_bus_ref(bus);
+
+ /* When we are a bus client we match by sender. Direct
+ * connections OTOH have no initialized sender field, and
+ * hence we ignore the sender then */
+ r = sd_bus_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;
+}
+
struct CGroupInfo {
char *cgroup_path;
bool is_const; /* If false, cgroup_path should be free()'d */
#include "output-mode.h"
#include "install.h"
+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);
+
+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 unit_show_processes(sd_bus *bus, const char *unit, const char *cgroup_path, const char *prefix, unsigned n_columns, OutputFlags flags, sd_bus_error *error);
#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"
static int name_owner_change_callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
sd_event *e = userdata;
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;
-}
-
-typedef struct BusWaitForJobs {
- sd_bus *bus;
- Set *jobs;
-
- char *name;
- char *result;
-
- sd_bus_slot *slot_job_removed;
- sd_bus_slot *slot_disconnected;
-} BusWaitForJobs;
-
-static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) {
- assert(m);
-
- log_error("Warning! D-Bus connection terminated.");
- sd_bus_close(sd_bus_message_get_bus(m));
-
- return 0;
-}
-
-static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
- const char *path, *unit, *result;
- BusWaitForJobs *d = userdata;
- uint32_t id;
- char *found;
- int r;
-
- assert(m);
- assert(d);
-
- r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result);
- if (r < 0) {
- bus_log_parse_error(r);
- return 0;
- }
-
- found = set_remove(d->jobs, (char*) path);
- if (!found)
- return 0;
-
- free(found);
-
- if (!isempty(result))
- d->result = strdup(result);
-
- if (!isempty(unit))
- d->name = strdup(unit);
-
- return 0;
-}
-
-void bus_wait_for_jobs_free(BusWaitForJobs *d) {
- if (!d)
- return;
-
- set_free_free(d->jobs);
-
- sd_bus_slot_unref(d->slot_disconnected);
- sd_bus_slot_unref(d->slot_job_removed);
-
- sd_bus_unref(d->bus);
-
- free(d->name);
- free(d->result);
-
- free(d);
-}
-
-int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) {
- _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL;
- int r;
-
- assert(bus);
- assert(ret);
-
- d = new0(BusWaitForJobs, 1);
- if (!d)
- return -ENOMEM;
-
- d->bus = sd_bus_ref(bus);
-
- /* When we are a bus client we match by sender. Direct
- * connections OTOH have no initialized sender field, and
- * hence we ignore the sender then */
- r = sd_bus_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
#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,
int bus_log_parse_error(int r);
int bus_log_create_error(int r);
-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);
-
#define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
int function(sd_bus *bus, \
const char *path, \
SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \
SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags))
-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);
projects / thirdparty / systemd.git / commitdiff
