X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fmain.c;h=6c3d9bfb189d071000d120e33e43338be01f1253;hp=b62234ed451bbe42276e5c69b2e020b73240f821;hb=d003f514dab2dbf1a66e11800a50aeaf039d036c;hpb=74df0fca09b3c31ed19e14ba80f996fdff772417 diff --git a/src/core/main.c b/src/core/main.c index b62234ed4..6c3d9bfb1 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -19,8 +19,6 @@ along with systemd; If not, see . ***/ -#include - #include #include #include @@ -34,13 +32,19 @@ #include #include +#ifdef HAVE_VALGRIND_VALGRIND_H +#include +#endif + +#include "sd-daemon.h" +#include "sd-messages.h" +#include "sd-bus.h" #include "manager.h" #include "log.h" #include "load-fragment.h" #include "fdset.h" #include "special.h" #include "conf-parser.h" -#include "dbus-common.h" #include "missing.h" #include "label.h" #include "build.h" @@ -54,20 +58,21 @@ #include "killall.h" #include "env-util.h" #include "hwclock.h" -#include "sd-daemon.h" -#include "sd-messages.h" +#include "fileio.h" +#include "dbus-manager.h" +#include "bus-error.h" +#include "bus-util.h" #include "mount-setup.h" #include "loopback-setup.h" -#ifdef HAVE_KMOD -#include "kmod-setup.h" -#endif #include "hostname-setup.h" #include "machine-id-setup.h" #include "selinux-setup.h" #include "ima-setup.h" -#include "fileio.h" #include "smack-setup.h" +#ifdef HAVE_KMOD +#include "kmod-setup.h" +#endif static enum { ACTION_RUN, @@ -93,6 +98,8 @@ static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT; static usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC; static usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC; static usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC; +static usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL; +static unsigned arg_default_start_limit_burst = DEFAULT_START_LIMIT_BURST; static usec_t arg_runtime_watchdog = 0; static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE; static char **arg_default_environment = NULL; @@ -124,7 +131,7 @@ _noreturn_ static void crash(int sig) { pid = fork(); if (pid < 0) - log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); + log_error("Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig)); else if (pid == 0) { struct rlimit rl = {}; @@ -428,6 +435,7 @@ static int parse_proc_cmdline_word(const char *word) { const char *filename, \ unsigned line, \ const char *section, \ + unsigned section_line, \ const char *lvalue, \ int ltype, \ const char *rvalue, \ @@ -459,6 +467,7 @@ static int config_parse_cpu_affinity2(const char *unit, const char *filename, unsigned line, const char *section, + unsigned section_line, const char *lvalue, int ltype, const char *rvalue, @@ -531,6 +540,7 @@ static int config_parse_join_controllers(const char *unit, const char *filename, unsigned line, const char *section, + unsigned section_line, const char *lvalue, int ltype, const char *rvalue, @@ -642,6 +652,8 @@ static int parse_config_file(void) { { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec }, { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec }, { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec }, + { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval }, + { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst }, { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog }, { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog }, @@ -1035,7 +1047,7 @@ static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching /* Make sure nothing is really destructed when we shut down */ m->n_reloading ++; - bus_broadcast_reloading(m, true); + bus_manager_send_reloading(m, true); fds = fdset_new(); if (!fds) { @@ -1197,6 +1209,8 @@ int main(int argc, char *argv[]) { dual_timestamp initrd_timestamp = { 0ULL, 0ULL }; dual_timestamp userspace_timestamp = { 0ULL, 0ULL }; dual_timestamp kernel_timestamp = { 0ULL, 0ULL }; + dual_timestamp security_start_timestamp = { 0ULL, 0ULL }; + dual_timestamp security_finish_timestamp = { 0ULL, 0ULL }; static char systemd[] = "systemd"; bool skip_setup = false; int j; @@ -1261,12 +1275,14 @@ int main(int argc, char *argv[]) { if (!skip_setup) { mount_setup_early(); + dual_timestamp_get(&security_start_timestamp); if (selinux_setup(&loaded_policy) < 0) goto finish; if (ima_setup() < 0) goto finish; if (smack_setup() < 0) goto finish; + dual_timestamp_get(&security_finish_timestamp); } if (label_init(NULL) < 0) @@ -1405,6 +1421,12 @@ int main(int argc, char *argv[]) { goto finish; } + if (arg_running_as == SYSTEMD_USER && + !getenv("XDG_RUNTIME_DIR")) { + log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set."); + goto finish; + } + assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); /* Close logging fds, in order not to confuse fdset below */ @@ -1428,9 +1450,6 @@ int main(int argc, char *argv[]) { /* Move out of the way, so that we won't block unmounts */ assert_se(chdir("/") == 0); - /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ - dbus_connection_set_change_sigpipe(FALSE); - /* Reset the console, but only if this is really init and we * are freshly booted */ if (arg_running_as == SYSTEMD_SYSTEM && arg_action == ACTION_RUN) @@ -1512,7 +1531,7 @@ int main(int argc, char *argv[]) { if (arg_running_as == SYSTEMD_SYSTEM) bump_rlimit_nofile(&saved_rlimit_nofile); - r = manager_new(arg_running_as, !!serialization, &m); + r = manager_new(arg_running_as, &m); if (r < 0) { log_error("Failed to allocate manager object: %s", strerror(-r)); goto finish; @@ -1524,16 +1543,20 @@ int main(int argc, char *argv[]) { m->default_restart_usec = arg_default_restart_usec; m->default_timeout_start_usec = arg_default_timeout_start_usec; m->default_timeout_stop_usec = arg_default_timeout_stop_usec; + m->default_start_limit_interval = arg_default_start_limit_interval; + m->default_start_limit_burst = arg_default_start_limit_burst; m->runtime_watchdog = arg_runtime_watchdog; m->shutdown_watchdog = arg_shutdown_watchdog; m->userspace_timestamp = userspace_timestamp; m->kernel_timestamp = kernel_timestamp; m->initrd_timestamp = initrd_timestamp; + m->security_start_timestamp = security_start_timestamp; + m->security_finish_timestamp = security_finish_timestamp; manager_set_default_rlimits(m, arg_default_rlimit); if (arg_default_environment) - manager_environment_add(m, arg_default_environment); + manager_environment_add(m, NULL, arg_default_environment); manager_set_show_status(m, arg_show_status); @@ -1557,19 +1580,16 @@ int main(int argc, char *argv[]) { } if (queue_default_job) { - DBusError error; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; Unit *target = NULL; Job *default_unit_job; - dbus_error_init(&error); - log_debug("Activating default unit: %s", arg_default_unit); r = manager_load_unit(m, arg_default_unit, NULL, &error, &target); - if (r < 0) { - log_error("Failed to load default target: %s", bus_error(&error, r)); - dbus_error_free(&error); - } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) + if (r < 0) + log_error("Failed to load default target: %s", bus_error_message(&error, r)); + else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) log_error("Failed to load default target: %s", strerror(-target->load_error)); else if (target->load_state == UNIT_MASKED) log_error("Default target masked."); @@ -1579,8 +1599,7 @@ int main(int argc, char *argv[]) { r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target); if (r < 0) { - log_error("Failed to load rescue target: %s", bus_error(&error, r)); - dbus_error_free(&error); + log_error("Failed to load rescue target: %s", bus_error_message(&error, r)); goto finish; } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) { log_error("Failed to load rescue target: %s", strerror(-target->load_error)); @@ -1600,18 +1619,15 @@ int main(int argc, char *argv[]) { r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, false, &error, &default_unit_job); if (r == -EPERM) { - log_debug("Default target could not be isolated, starting instead: %s", bus_error(&error, r)); - dbus_error_free(&error); + log_debug("Default target could not be isolated, starting instead: %s", bus_error_message(&error, r)); r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job); if (r < 0) { - log_error("Failed to start default target: %s", bus_error(&error, r)); - dbus_error_free(&error); + log_error("Failed to start default target: %s", bus_error_message(&error, r)); goto finish; } } else if (r < 0) { - log_error("Failed to isolate default target: %s", bus_error(&error, r)); - dbus_error_free(&error); + log_error("Failed to isolate default target: %s", bus_error_message(&error, r)); goto finish; } @@ -1707,7 +1723,6 @@ finish: free(arg_default_unit); free_join_controllers(); - dbus_shutdown(); label_finish(); if (reexecute) { @@ -1730,7 +1745,7 @@ finish: * initrd, but don't wait for them, so that we * can handle the SIGCHLD for them after * deserializing. */ - broadcast_signal(SIGTERM, false); + broadcast_signal(SIGTERM, false, true); /* And switch root */ r = switch_root(switch_root_dir); @@ -1822,6 +1837,15 @@ finish: if (fds) fdset_free(fds); +#ifdef HAVE_VALGRIND_VALGRIND_H + /* If we are PID 1 and running under valgrind, then let's exit + * here explicitly. valgrind will only generate nice output on + * exit(), not on exec(), hence let's do the former not the + * latter here. */ + if (getpid() == 1 && RUNNING_ON_VALGRIND) + return 0; +#endif + if (shutdown_verb) { const char * command_line[] = { SYSTEMD_SHUTDOWN_BINARY_PATH,