X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fmanager.c;h=72ce2f25956fef35c1b1a482142d3c5355f1bc72;hb=68b29a9fca915c83b9192790ec61189430cd5de6;hp=8f2635051e87a1a7bd0042e8382e664bbec0f103;hpb=b7def684941808600c344f0be7a2b9fcdda97e0f;p=elogind.git diff --git a/src/core/manager.c b/src/core/manager.c index 8f2635051..72ce2f259 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -41,7 +41,9 @@ #include #endif -#include +#include "systemd/sd-daemon.h" +#include "systemd/sd-id128.h" +#include "systemd/sd-messages.h" #include "manager.h" #include "transaction.h" @@ -66,6 +68,7 @@ #include "watchdog.h" #include "cgroup-util.h" #include "path-util.h" +#include "audit-fd.h" /* As soon as 16 units are in our GC queue, make sure to run a gc sweep */ #define GC_QUEUE_ENTRIES_MAX 16 @@ -96,7 +99,7 @@ static int manager_setup_notify(Manager *m) { zero(sa); sa.sa.sa_family = AF_UNIX; - if (getpid() != 1) + if (getpid() != 1 || detect_container(NULL) > 0) snprintf(sa.un.sun_path, sizeof(sa.un.sun_path), NOTIFY_SOCKET "/%llu", random_ull()); else strncpy(sa.un.sun_path, NOTIFY_SOCKET, sizeof(sa.un.sun_path)); @@ -136,8 +139,9 @@ static int enable_special_signals(Manager *m) { assert(m); /* Enable that we get SIGINT on control-alt-del. In containers - * this will fail with EPERM, so ignore that. */ - if (reboot(RB_DISABLE_CAD) < 0 && errno != EPERM) + * this will fail with EPERM (older) or EINVAL (newer), so + * ignore that. */ + if (reboot(RB_DISABLE_CAD) < 0 && errno != EPERM && errno != EINVAL) log_warning("Failed to enable ctrl-alt-del handling: %m"); fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC); @@ -195,6 +199,7 @@ static int manager_setup_signals(Manager *m) { SIGRTMIN+21, /* systemd: disable status messages */ SIGRTMIN+22, /* systemd: set log level to LOG_DEBUG */ SIGRTMIN+23, /* systemd: set log level to LOG_INFO */ + SIGRTMIN+24, /* systemd: Immediate exit (--user only) */ SIGRTMIN+26, /* systemd: set log target to journal-or-kmsg */ SIGRTMIN+27, /* systemd: set log target to console */ SIGRTMIN+28, /* systemd: set log target to kmsg */ @@ -213,7 +218,7 @@ static int manager_setup_signals(Manager *m) { if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->signal_watch.fd, &ev) < 0) return -errno; - if (m->running_as == MANAGER_SYSTEM) + if (m->running_as == SYSTEMD_SYSTEM) return enable_special_signals(m); return 0; @@ -234,18 +239,19 @@ static void manager_strip_environment(Manager *m) { strv_remove_prefix(m->environment, "RD_"); } -int manager_new(ManagerRunningAs running_as, Manager **_m) { +int manager_new(SystemdRunningAs running_as, Manager **_m) { Manager *m; int r = -ENOMEM; assert(_m); assert(running_as >= 0); - assert(running_as < _MANAGER_RUNNING_AS_MAX); + assert(running_as < _SYSTEMD_RUNNING_AS_MAX); - if (!(m = new0(Manager, 1))) + m = new0(Manager, 1); + if (!m) return -ENOMEM; - dual_timestamp_get(&m->startup_timestamp); + dual_timestamp_get(&m->userspace_timestamp); m->running_as = running_as; m->name_data_slot = m->conn_data_slot = m->subscribed_data_slot = -1; @@ -253,10 +259,6 @@ int manager_new(ManagerRunningAs running_as, Manager **_m) { m->pin_cgroupfs_fd = -1; m->idle_pipe[0] = m->idle_pipe[1] = -1; -#ifdef HAVE_AUDIT - m->audit_fd = -1; -#endif - m->signal_watch.fd = m->mount_watch.fd = m->udev_watch.fd = m->epoll_fd = m->dev_autofs_fd = m->swap_watch.fd = -1; m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */ @@ -266,7 +268,7 @@ int manager_new(ManagerRunningAs running_as, Manager **_m) { manager_strip_environment(m); - if (running_as == MANAGER_SYSTEM) { + if (running_as == SYSTEMD_SYSTEM) { m->default_controllers = strv_new("cpu", NULL); if (!m->default_controllers) goto fail; @@ -300,17 +302,9 @@ int manager_new(ManagerRunningAs running_as, Manager **_m) { goto fail; /* Try to connect to the busses, if possible. */ - if ((r = bus_init(m, running_as != MANAGER_SYSTEM)) < 0) + if ((r = bus_init(m, running_as != SYSTEMD_SYSTEM)) < 0) goto fail; -#ifdef HAVE_AUDIT - if ((m->audit_fd = audit_open()) < 0 && - /* If the kernel lacks netlink or audit support, - * don't worry about it. */ - errno != EAFNOSUPPORT && errno != EPROTONOSUPPORT) - log_error("Failed to connect to audit log: %m"); -#endif - m->taint_usr = dir_is_empty("/usr") > 0; *_m = m; @@ -494,11 +488,6 @@ void manager_free(Manager *m) { if (m->notify_watch.fd >= 0) close_nointr_nofail(m->notify_watch.fd); -#ifdef HAVE_AUDIT - if (m->audit_fd >= 0) - audit_close(m->audit_fd); -#endif - free(m->notify_socket); lookup_paths_free(&m->lookup_paths); @@ -730,7 +719,8 @@ int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode assert(name); assert(mode < _JOB_MODE_MAX); - if ((r = manager_load_unit(m, name, NULL, NULL, &unit)) < 0) + r = manager_load_unit(m, name, NULL, NULL, &unit); + if (r < 0) return r; return manager_add_job(m, type, unit, mode, override, e, _ret); @@ -842,7 +832,8 @@ int manager_load_unit(Manager *m, const char *name, const char *path, DBusError /* This will load the service information files, but not actually * start any services or anything. */ - if ((r = manager_load_unit_prepare(m, name, path, e, _ret)) != 0) + r = manager_load_unit_prepare(m, name, path, e, _ret); + if (r != 0) return r; manager_dispatch_load_queue(m); @@ -1139,7 +1130,7 @@ static int manager_process_signal_fd(Manager *m) { break; case SIGTERM: - if (m->running_as == MANAGER_SYSTEM) { + if (m->running_as == SYSTEMD_SYSTEM) { /* This is for compatibility with the * original sysvinit */ m->exit_code = MANAGER_REEXECUTE; @@ -1149,7 +1140,7 @@ static int manager_process_signal_fd(Manager *m) { /* Fall through */ case SIGINT: - if (m->running_as == MANAGER_SYSTEM) { + if (m->running_as == SYSTEMD_SYSTEM) { manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE); break; } @@ -1163,14 +1154,14 @@ static int manager_process_signal_fd(Manager *m) { break; case SIGWINCH: - if (m->running_as == MANAGER_SYSTEM) + if (m->running_as == SYSTEMD_SYSTEM) manager_start_target(m, SPECIAL_KBREQUEST_TARGET, JOB_REPLACE); /* This is a nop on non-init */ break; case SIGPWR: - if (m->running_as == MANAGER_SYSTEM) + if (m->running_as == SYSTEMD_SYSTEM) manager_start_target(m, SPECIAL_SIGPWR_TARGET, JOB_REPLACE); /* This is a nop on non-init */ @@ -1282,6 +1273,15 @@ static int manager_process_signal_fd(Manager *m) { log_notice("Setting log level to info."); break; + case 24: + if (m->running_as == SYSTEMD_USER) { + m->exit_code = MANAGER_EXIT; + return 0; + } + + /* This is a nop on init */ + break; + case 26: log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); log_notice("Setting log target to journal-or-kmsg."); @@ -1363,7 +1363,8 @@ static int process_event(Manager *m, struct epoll_event *ev) { ssize_t k; /* Some timer event, to be dispatched to the units */ - if ((k = read(w->fd, &v, sizeof(v))) != sizeof(v)) { + k = read(w->fd, &v, sizeof(v)); + if (k != sizeof(v)) { if (k < 0 && (errno == EINTR || errno == EAGAIN)) break; @@ -1434,7 +1435,7 @@ int manager_loop(Manager *m) { int n; int wait_msec = -1; - if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM) + if (m->runtime_watchdog > 0 && m->running_as == SYSTEMD_SYSTEM) watchdog_ping(); if (!ratelimit_test(&rl)) { @@ -1466,7 +1467,7 @@ int manager_loop(Manager *m) { continue; /* Sleep for half the watchdog time */ - if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM) { + if (m->runtime_watchdog > 0 && m->running_as == SYSTEMD_SYSTEM) { wait_msec = (int) (m->runtime_watchdog / 2 / USEC_PER_MSEC); if (wait_msec <= 0) wait_msec = 1; @@ -1547,8 +1548,10 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) { #ifdef HAVE_AUDIT char *p; + int audit_fd; - if (m->audit_fd < 0) + audit_fd = get_audit_fd(); + if (audit_fd < 0) return; /* Don't generate audit events if the service was already @@ -1556,7 +1559,7 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) { if (m->n_reloading > 0) return; - if (m->running_as != MANAGER_SYSTEM) + if (m->running_as != SYSTEMD_SYSTEM) return; if (u->type != UNIT_SERVICE) @@ -1567,12 +1570,11 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) { return; } - if (audit_log_user_comm_message(m->audit_fd, type, "", p, NULL, NULL, NULL, success) < 0) { + if (audit_log_user_comm_message(audit_fd, type, "", p, NULL, NULL, NULL, success) < 0) { if (errno == EPERM) { /* We aren't allowed to send audit messages? * Then let's not retry again. */ - audit_close(m->audit_fd); - m->audit_fd = -1; + close_audit_fd(); } else log_warning("Failed to send audit message: %m"); } @@ -1593,7 +1595,7 @@ void manager_send_unit_plymouth(Manager *m, Unit *u) { if (m->n_reloading > 0) return; - if (m->running_as != MANAGER_SYSTEM) + if (m->running_as != SYSTEMD_SYSTEM) return; if (u->type != UNIT_SERVICE && @@ -1625,7 +1627,7 @@ void manager_send_unit_plymouth(Manager *m, Unit *u) { } if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->id) + 1), u->id, &n) < 0) { - log_error("Out of memory"); + log_oom(); goto finish; } @@ -1692,7 +1694,7 @@ int manager_open_serialization(Manager *m, FILE **_f) { assert(_f); - if (m->running_as == MANAGER_SYSTEM) + if (m->running_as == SYSTEMD_SYSTEM) asprintf(&path, "/run/systemd/dump-%lu-XXXXXX", (unsigned long) getpid()); else asprintf(&path, "/tmp/systemd-dump-%lu-XXXXXX", (unsigned long) getpid()); @@ -1722,7 +1724,7 @@ int manager_open_serialization(Manager *m, FILE **_f) { return 0; } -int manager_serialize(Manager *m, FILE *f, FDSet *fds) { +int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool serialize_jobs) { Iterator i; Unit *u; const char *t; @@ -1739,10 +1741,13 @@ int manager_serialize(Manager *m, FILE *f, FDSet *fds) { fprintf(f, "n-installed-jobs=%u\n", m->n_installed_jobs); fprintf(f, "n-failed-jobs=%u\n", m->n_failed_jobs); + dual_timestamp_serialize(f, "firmware-timestamp", &m->firmware_timestamp); + dual_timestamp_serialize(f, "kernel-timestamp", &m->kernel_timestamp); + dual_timestamp_serialize(f, "loader-timestamp", &m->loader_timestamp); dual_timestamp_serialize(f, "initrd-timestamp", &m->initrd_timestamp); if (!in_initrd()) { - dual_timestamp_serialize(f, "startup-timestamp", &m->startup_timestamp); + dual_timestamp_serialize(f, "userspace-timestamp", &m->userspace_timestamp); dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp); } @@ -1759,7 +1764,7 @@ int manager_serialize(Manager *m, FILE *f, FDSet *fds) { fputs(u->id, f); fputc('\n', f); - if ((r = unit_serialize(u, f, fds)) < 0) { + if ((r = unit_serialize(u, f, fds, serialize_jobs)) < 0) { m->n_reloading --; return r; } @@ -1834,10 +1839,16 @@ int manager_deserialize(Manager *m, FILE *f, FDSet *fds) { 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=")) + } else if (startswith(l, "firmware-timestamp=")) + dual_timestamp_deserialize(l+19, &m->firmware_timestamp); + else if (startswith(l, "loader-timestamp=")) + dual_timestamp_deserialize(l+17, &m->loader_timestamp); + else if (startswith(l, "kernel-timestamp=")) + dual_timestamp_deserialize(l+17, &m->kernel_timestamp); + 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); + else if (startswith(l, "userspace-timestamp=")) + dual_timestamp_deserialize(l+20, &m->userspace_timestamp); else if (startswith(l, "finish-timestamp=")) dual_timestamp_deserialize(l+17, &m->finish_timestamp); else @@ -1899,7 +1910,7 @@ int manager_reload(Manager *m) { goto finish; } - r = manager_serialize(m, f, fds); + r = manager_serialize(m, f, fds, true); if (r < 0) { m->n_reloading --; goto finish; @@ -2002,7 +2013,7 @@ bool manager_unit_pending_inactive(Manager *m, const char *name) { void manager_check_finished(Manager *m) { char userspace[FORMAT_TIMESPAN_MAX], initrd[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX]; - usec_t kernel_usec, initrd_usec, userspace_usec, total_usec; + usec_t firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec; assert(m); @@ -2020,39 +2031,64 @@ void manager_check_finished(Manager *m) { dual_timestamp_get(&m->finish_timestamp); - if (m->running_as == MANAGER_SYSTEM && detect_container(NULL) <= 0) { + if (m->running_as == SYSTEMD_SYSTEM && detect_container(NULL) <= 0) { - userspace_usec = m->finish_timestamp.monotonic - m->startup_timestamp.monotonic; - total_usec = m->finish_timestamp.monotonic; + /* Note that m->kernel_usec.monotonic is always at 0, + * and m->firmware_usec.monotonic and + * m->loader_usec.monotonic should be considered + * negative values. */ - if (dual_timestamp_is_set(&m->initrd_timestamp)) { + firmware_usec = m->firmware_timestamp.monotonic - m->loader_timestamp.monotonic; + loader_usec = m->loader_timestamp.monotonic - m->kernel_timestamp.monotonic; + userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic; + total_usec = m->firmware_timestamp.monotonic + m->finish_timestamp.monotonic; - kernel_usec = m->initrd_timestamp.monotonic; - initrd_usec = m->startup_timestamp.monotonic - m->initrd_timestamp.monotonic; + if (dual_timestamp_is_set(&m->initrd_timestamp)) { - log_info("Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.", - format_timespan(kernel, sizeof(kernel), kernel_usec), - format_timespan(initrd, sizeof(initrd), initrd_usec), - format_timespan(userspace, sizeof(userspace), userspace_usec), - format_timespan(sum, sizeof(sum), total_usec)); + kernel_usec = m->initrd_timestamp.monotonic - m->kernel_timestamp.monotonic; + initrd_usec = m->userspace_timestamp.monotonic - m->initrd_timestamp.monotonic; + + if (!log_on_console()) + log_struct(LOG_INFO, + MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED), + "KERNEL_USEC=%llu", (unsigned long long) kernel_usec, + "INITRD_USEC=%llu", (unsigned long long) initrd_usec, + "USERSPACE_USEC=%llu", (unsigned long long) userspace_usec, + "MESSAGE=Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.", + format_timespan(kernel, sizeof(kernel), kernel_usec), + format_timespan(initrd, sizeof(initrd), initrd_usec), + format_timespan(userspace, sizeof(userspace), userspace_usec), + format_timespan(sum, sizeof(sum), total_usec), + NULL); } else { - kernel_usec = m->startup_timestamp.monotonic; + kernel_usec = m->userspace_timestamp.monotonic - m->kernel_timestamp.monotonic; initrd_usec = 0; - log_info("Startup finished in %s (kernel) + %s (userspace) = %s.", - format_timespan(kernel, sizeof(kernel), kernel_usec), - format_timespan(userspace, sizeof(userspace), userspace_usec), - format_timespan(sum, sizeof(sum), total_usec)); + if (!log_on_console()) + log_struct(LOG_INFO, + MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED), + "KERNEL_USEC=%llu", (unsigned long long) kernel_usec, + "USERSPACE_USEC=%llu", (unsigned long long) userspace_usec, + "MESSAGE=Startup finished in %s (kernel) + %s (userspace) = %s.", + format_timespan(kernel, sizeof(kernel), kernel_usec), + format_timespan(userspace, sizeof(userspace), userspace_usec), + format_timespan(sum, sizeof(sum), total_usec), + NULL); } } else { - userspace_usec = initrd_usec = kernel_usec = 0; - total_usec = m->finish_timestamp.monotonic - m->startup_timestamp.monotonic; - - log_debug("Startup finished in %s.", - format_timespan(sum, sizeof(sum), total_usec)); + firmware_usec = loader_usec = initrd_usec = kernel_usec = 0; + total_usec = userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic; + + if (!log_on_console()) + log_struct(LOG_INFO, + MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED), + "USERSPACE_USEC=%llu", (unsigned long long) userspace_usec, + "MESSAGE=Startup finished in %s.", + format_timespan(sum, sizeof(sum), total_usec), + NULL); } - bus_broadcast_finished(m, kernel_usec, initrd_usec, userspace_usec, total_usec); + bus_broadcast_finished(m, firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec); sd_notifyf(false, "READY=1\nSTATUS=Startup finished in %s.", @@ -2070,13 +2106,11 @@ static int create_generator_dir(Manager *m, char **generator, const char *name) if (*generator) return 0; - if (m->running_as == MANAGER_SYSTEM && getpid() == 1) { + if (m->running_as == SYSTEMD_SYSTEM && getpid() == 1) { p = strappend("/run/systemd/", name); - if (!p) { - log_error("Out of memory"); - return -ENOMEM; - } + if (!p) + return log_oom(); r = mkdir_p_label(p, 0755); if (r < 0) { @@ -2086,10 +2120,8 @@ static int create_generator_dir(Manager *m, char **generator, const char *name) } } else { p = strjoin("/tmp/systemd-", name, ".XXXXXX", NULL); - if (!p) { - log_error("Out of memory"); - return -ENOMEM; - } + if (!p) + return log_oom(); if (!mkdtemp(p)) { free(p); @@ -2126,7 +2158,7 @@ void manager_run_generators(Manager *m) { assert(m); - generator_path = m->running_as == MANAGER_SYSTEM ? SYSTEM_GENERATOR_PATH : USER_GENERATOR_PATH; + generator_path = m->running_as == SYSTEMD_SYSTEM ? SYSTEM_GENERATOR_PATH : USER_GENERATOR_PATH; d = opendir(generator_path); if (!d) { if (errno == ENOENT) @@ -2228,7 +2260,7 @@ void manager_recheck_journal(Manager *m) { assert(m); - if (m->running_as != MANAGER_SYSTEM) + if (m->running_as != SYSTEMD_SYSTEM) return; u = manager_get_unit(m, SPECIAL_JOURNALD_SOCKET); @@ -2251,7 +2283,7 @@ void manager_recheck_journal(Manager *m) { void manager_set_show_status(Manager *m, bool b) { assert(m); - if (m->running_as != MANAGER_SYSTEM) + if (m->running_as != SYSTEMD_SYSTEM) return; m->show_status = b; @@ -2265,7 +2297,7 @@ void manager_set_show_status(Manager *m, bool b) { bool manager_get_show_status(Manager *m) { assert(m); - if (m->running_as != MANAGER_SYSTEM) + if (m->running_as != SYSTEMD_SYSTEM) return false; if (m->show_status) @@ -2277,9 +2309,9 @@ bool manager_get_show_status(Manager *m) { return plymouth_running(); } -static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = { - [MANAGER_SYSTEM] = "system", - [MANAGER_USER] = "user" -}; +void watch_init(Watch *w) { + assert(w); -DEFINE_STRING_TABLE_LOOKUP(manager_running_as, ManagerRunningAs); + w->type = WATCH_INVALID; + w->fd = -1; +}