X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmanager.c;h=f9b3b5956be65c85b7a6eca1eebf5d36162df4ca;hp=9edb8f09bbc990abc41e9904b71f6291e7ea0f75;hb=f68319bbb8e95e6afa5793834668b5c094616249;hpb=dfa7f7e139e465c7685fd530d61a52c41184bcde diff --git a/src/manager.c b/src/manager.c index 9edb8f09b..f9b3b5956 100644 --- a/src/manager.c +++ b/src/manager.c @@ -66,7 +66,7 @@ #define GC_QUEUE_USEC_MAX (10*USEC_PER_SEC) /* Where clients shall send notification messages to */ -#define NOTIFY_SOCKET_SYSTEM "/dev/.run/systemd/notify" +#define NOTIFY_SOCKET_SYSTEM "/run/systemd/notify" #define NOTIFY_SOCKET_USER "@/org/freedesktop/systemd1/notify" static int manager_setup_notify(Manager *m) { @@ -127,7 +127,7 @@ static int manager_setup_notify(Manager *m) { } static int enable_special_signals(Manager *m) { - char fd; + int fd; assert(m); @@ -278,6 +278,8 @@ int manager_new(ManagerRunningAs running_as, Manager **_m) { log_error("Failed to connect to audit log: %m"); #endif + m->taint_usr = dir_is_empty("/usr") > 0; + *_m = m; return 0; @@ -1271,7 +1273,8 @@ static int transaction_activate(Manager *m, JobMode mode, DBusError *e) { for (;;) { /* Fourth step: Let's remove unneeded jobs that might * be lurking. */ - transaction_collect_garbage(m); + if (mode != JOB_ISOLATE) + transaction_collect_garbage(m); /* Fifth step: verify order makes sense and correct * cycles if necessary and possible */ @@ -1301,7 +1304,8 @@ static int transaction_activate(Manager *m, JobMode mode, DBusError *e) { /* Seventh step: an entry got dropped, let's garbage * collect its dependencies. */ - transaction_collect_garbage(m); + if (mode != JOB_ISOLATE) + transaction_collect_garbage(m); /* Let's see if the resulting transaction still has * unmergeable entries ... */ @@ -1421,7 +1425,8 @@ static int transaction_add_job_and_dependencies( bool matters, bool override, bool conflicts, - bool ignore_deps, + bool ignore_requirements, + bool ignore_order, DBusError *e, Job **_ret) { Job *ret; @@ -1469,20 +1474,20 @@ static int transaction_add_job_and_dependencies( if (!(ret = transaction_add_one_job(m, type, unit, override, &is_new))) return -ENOMEM; - ret->ignore_deps = ret->ignore_deps || ignore_deps; + ret->ignore_order = ret->ignore_order || ignore_order; /* Then, add a link to the job. */ if (!job_dependency_new(by, ret, matters, conflicts)) return -ENOMEM; - if (is_new && !ignore_deps) { + if (is_new && !ignore_requirements) { Set *following; /* If we are following some other unit, make sure we * add all dependencies of everybody following. */ if (unit_following_set(ret->unit, &following) > 0) { SET_FOREACH(dep, following, i) - if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, false, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, false, override, false, false, ignore_order, e, NULL)) < 0) { log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r)); if (e) @@ -1495,7 +1500,7 @@ static int transaction_add_job_and_dependencies( /* Finally, recursively add in all dependencies. */ if (type == JOB_START || type == JOB_RELOAD_OR_START) { SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES], i) - if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) { if (r != -EBADR) goto fail; @@ -1504,7 +1509,7 @@ static int transaction_add_job_and_dependencies( } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_BIND_TO], i) - if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) { if (r != -EBADR) goto fail; @@ -1514,7 +1519,7 @@ static int transaction_add_job_and_dependencies( } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i) - if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, false, ignore_order, e, NULL)) < 0) { log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r)); if (e) @@ -1522,7 +1527,7 @@ static int transaction_add_job_and_dependencies( } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_WANTS], i) - if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, false, ignore_order, e, NULL)) < 0) { log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r)); if (e) @@ -1530,7 +1535,7 @@ static int transaction_add_job_and_dependencies( } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE], i) - if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, true, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) { if (r != -EBADR) goto fail; @@ -1540,7 +1545,7 @@ static int transaction_add_job_and_dependencies( } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE_OVERRIDABLE], i) - if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, false, ignore_order, e, NULL)) < 0) { log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r)); if (e) @@ -1548,7 +1553,7 @@ static int transaction_add_job_and_dependencies( } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTS], i) - if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, true, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, true, override, true, false, ignore_order, e, NULL)) < 0) { if (r != -EBADR) goto fail; @@ -1558,7 +1563,7 @@ static int transaction_add_job_and_dependencies( } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTED_BY], i) - if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, false, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, dep, ret, false, override, false, false, ignore_order, e, NULL)) < 0) { log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r)); if (e) @@ -1568,7 +1573,7 @@ static int transaction_add_job_and_dependencies( } else if (type == JOB_STOP || type == JOB_RESTART || type == JOB_TRY_RESTART) { SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRED_BY], i) - if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) { if (r != -EBADR) goto fail; @@ -1578,7 +1583,7 @@ static int transaction_add_job_and_dependencies( } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_BOUND_BY], i) - if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, false, e, NULL)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, type, dep, ret, true, override, false, false, ignore_order, e, NULL)) < 0) { if (r != -EBADR) goto fail; @@ -1625,7 +1630,7 @@ static int transaction_add_isolate_jobs(Manager *m) { if (hashmap_get(m->transaction_jobs, u)) continue; - if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, false, false, NULL, NULL)) < 0) + if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, false, false, false, NULL, NULL)) < 0) log_warning("Cannot add isolate job for unit %s, ignoring: %s", u->meta.id, strerror(-r)); } @@ -1653,7 +1658,9 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool ove log_debug("Trying to enqueue job %s/%s/%s", unit->meta.id, job_type_to_string(type), job_mode_to_string(mode)); - if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, false, mode == JOB_IGNORE_DEPENDENCIES, e, &ret)) < 0) { + if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, false, + mode == JOB_IGNORE_DEPENDENCIES || mode == JOB_IGNORE_REQUIREMENTS, + mode == JOB_IGNORE_DEPENDENCIES, e, &ret)) < 0) { transaction_abort(m); return r; } @@ -2057,8 +2064,6 @@ static int manager_process_signal_fd(Manager *m) { assert(m); for (;;) { - char *p = NULL; - if ((n = read(m->signal_watch.fd, &sfsi, sizeof(sfsi))) != sizeof(sfsi)) { if (n >= 0) @@ -2070,13 +2075,17 @@ static int manager_process_signal_fd(Manager *m) { return -errno; } - if (sfsi.ssi_pid > 0) + if (sfsi.ssi_pid > 0) { + char *p = NULL; + get_process_name(sfsi.ssi_pid, &p); - log_debug("Received SIG%s from PID %lu (%s)", - strna(signal_to_string(sfsi.ssi_signo)), - (unsigned long) sfsi.ssi_pid, strna(p)); - free(p); + log_debug("Received SIG%s from PID %lu (%s).", + strna(signal_to_string(sfsi.ssi_signo)), + (unsigned long) sfsi.ssi_pid, strna(p)); + free(p); + } else + log_debug("Received SIG%s.", strna(signal_to_string(sfsi.ssi_signo))); switch (sfsi.ssi_signo) { @@ -2326,7 +2335,7 @@ static int process_event(Manager *m, struct epoll_event *ev) { int manager_loop(Manager *m) { int r; - RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 1000); + RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000); assert(m); m->exit_code = MANAGER_RUNNING; @@ -2451,6 +2460,12 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) { if (m->n_deserializing > 0) return; + if (m->running_as != MANAGER_SYSTEM) + return; + + if (u->meta.type != UNIT_SERVICE) + return; + if (!(p = unit_name_to_prefix_and_instance(u->meta.id))) { log_error("Failed to allocate unit name for audit message: %s", strerror(ENOMEM)); return; @@ -2586,7 +2601,7 @@ int manager_open_serialization(Manager *m, FILE **_f) { assert(_f); if (m->running_as == MANAGER_SYSTEM) - asprintf(&path, "/dev/.run/systemd/dump-%lu-XXXXXX", (unsigned long) getpid()); + asprintf(&path, "/run/systemd/dump-%lu-XXXXXX", (unsigned long) getpid()); else asprintf(&path, "/tmp/systemd-dump-%lu-XXXXXX", (unsigned long) getpid()); @@ -2607,7 +2622,7 @@ int manager_open_serialization(Manager *m, FILE **_f) { log_debug("Serializing state to %s", path); free(path); - if (!(f = fdopen(fd, "w+")) < 0) + if (!(f = fdopen(fd, "w+"))) return -errno; *_f = f; @@ -2625,6 +2640,9 @@ int manager_serialize(Manager *m, FILE *f, FDSet *fds) { assert(f); assert(fds); + fprintf(f, "current-job-id=%i\n", m->current_job_id); + fprintf(f, "taint-usr=%s\n", yes_no(m->taint_usr)); + dual_timestamp_serialize(f, "initrd-timestamp", &m->initrd_timestamp); dual_timestamp_serialize(f, "startup-timestamp", &m->startup_timestamp); dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp); @@ -2680,7 +2698,21 @@ int manager_deserialize(Manager *m, FILE *f, FDSet *fds) { if (l[0] == 0) break; - if (startswith(l, "initrd-timestamp=")) + if (startswith(l, "current-job-id=")) { + uint32_t id; + + if (safe_atou32(l+15, &id) < 0) + log_debug("Failed to parse current job id value %s", l+15); + else + m->current_job_id = MAX(m->current_job_id, id); + } else if (startswith(l, "taint-usr=")) { + int b; + + if ((b = parse_boolean(l+10)) < 0) + log_debug("Failed to parse taint /usr flag %s", l+10); + else + m->taint_usr = m->taint_usr || b; + } else if (startswith(l, "initrd-timestamp=")) dual_timestamp_deserialize(l+17, &m->initrd_timestamp); else if (startswith(l, "startup-timestamp=")) dual_timestamp_deserialize(l+18, &m->startup_timestamp); @@ -2889,7 +2921,7 @@ void manager_run_generators(Manager *m) { if (!m->generator_unit_path) { char *p; - char system_path[] = "/dev/.run/systemd/generator-XXXXXX", + char system_path[] = "/run/systemd/generator-XXXXXX", user_path[] = "/tmp/systemd-generator-XXXXXX"; if (!(p = mkdtemp(m->running_as == MANAGER_SYSTEM ? system_path : user_path))) { @@ -2965,6 +2997,47 @@ int manager_set_default_controllers(Manager *m, char **controllers) { return 0; } +void manager_recheck_syslog(Manager *m) { + Unit *u; + + assert(m); + + if (m->running_as != MANAGER_SYSTEM) + return; + + if ((u = manager_get_unit(m, SPECIAL_SYSLOG_SOCKET))) { + SocketState state; + + state = SOCKET(u)->state; + + if (state != SOCKET_DEAD && + state != SOCKET_FAILED && + state != SOCKET_RUNNING) { + + /* Hmm, the socket is not set up, or is still + * listening, let's better not try to use + * it. Note that we have no problem if the + * socket is completely down, since there + * might be a foreign /dev/log socket around + * and we want to make use of that. + */ + + log_close_syslog(); + return; + } + } + + if ((u = manager_get_unit(m, SPECIAL_SYSLOG_TARGET))) + if (TARGET(u)->state != TARGET_ACTIVE) { + log_close_syslog(); + return; + } + + /* Hmm, OK, so the socket is either fully up, or fully down, + * and the target is up, then let's make use of the socket */ + log_open(); +} + static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = { [MANAGER_SYSTEM] = "system", [MANAGER_USER] = "user"