X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fmain.c;h=29f97364a43a52965773deda2bfd568ed7b964e9;hp=22cec4ed15d9a3d4fafd7b2f9eecf8368839df77;hb=0d8c31ff7237149b505290652864b4e7e866b2a7;hpb=c3a170f3d3358135a39ac6eafe66f18aef0bd67d
diff --git a/src/core/main.c b/src/core/main.c
index 22cec4ed1..29f97364a 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
@@ -34,42 +32,52 @@
#include
#include
+#ifdef HAVE_VALGRIND_VALGRIND_H
+#include
+#endif
+#ifdef HAVE_SECCOMP
+#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 "pager.h"
#include "build.h"
#include "strv.h"
#include "def.h"
#include "virt.h"
+#include "architecture.h"
#include "watchdog.h"
#include "path-util.h"
#include "switch-root.h"
#include "capability.h"
#include "killall.h"
#include "env-util.h"
-#include "hwclock.h"
-#include "sd-daemon.h"
-#include "sd-messages.h"
+#include "clock-util.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 "locale-setup.h"
#include "selinux-setup.h"
#include "ima-setup.h"
-#include "fileio.h"
#include "smack-setup.h"
-#include "efivars.h"
+#ifdef HAVE_KMOD
+#include "kmod-setup.h"
+#endif
static enum {
ACTION_RUN,
@@ -79,34 +87,52 @@ static enum {
ACTION_DUMP_CONFIGURATION_ITEMS,
ACTION_DONE
} arg_action = ACTION_RUN;
-
static char *arg_default_unit = NULL;
static SystemdRunningAs arg_running_as = _SYSTEMD_RUNNING_AS_INVALID;
-
static bool arg_dump_core = true;
static bool arg_crash_shell = false;
static int arg_crash_chvt = -1;
static bool arg_confirm_spawn = false;
-static bool arg_show_status = true;
+static ShowStatus arg_show_status = _SHOW_STATUS_UNSET;
static bool arg_switched_root = false;
-static char **arg_default_controllers = NULL;
+static int arg_no_pager = -1;
static char ***arg_join_controllers = NULL;
static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
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 struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {};
+static char **arg_default_environment = NULL;
+static struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {};
static uint64_t arg_capability_bounding_set_drop = 0;
static nsec_t arg_timer_slack_nsec = (nsec_t) -1;
+static usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE;
+static Set* arg_syscall_archs = NULL;
+static FILE* arg_serialization = NULL;
+static bool arg_default_cpu_accounting = false;
+static bool arg_default_blockio_accounting = false;
+static bool arg_default_memory_accounting = false;
-static FILE* serialization = NULL;
+static void nop_handler(int sig) {}
-static void nop_handler(int sig) {
+static void pager_open_if_enabled(void) {
+
+ if (arg_no_pager <= 0)
+ return;
+
+ pager_open(false);
}
-_noreturn_ static void crash(int sig) {
+noreturn static void crash(int sig) {
- if (!arg_dump_core)
+ if (getpid() != 1)
+ /* Pass this on immediately, if this is not PID 1 */
+ raise(sig);
+ else if (!arg_dump_core)
log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
else {
struct sigaction sa = {
@@ -116,11 +142,11 @@ _noreturn_ static void crash(int sig) {
pid_t pid;
/* We want to wait for the core process, hence let's enable SIGCHLD */
- assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
+ sigaction(SIGCHLD, &sa, NULL);
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 = {};
@@ -128,7 +154,7 @@ _noreturn_ static void crash(int sig) {
/* Enable default signal handler for core dump */
zero(sa);
sa.sa_handler = SIG_DFL;
- assert_se(sigaction(sig, &sa, NULL) == 0);
+ sigaction(sig, &sa, NULL);
/* Don't limit the core dump size */
rl.rlim_cur = RLIM_INFINITY;
@@ -136,7 +162,7 @@ _noreturn_ static void crash(int sig) {
setrlimit(RLIMIT_CORE, &rl);
/* Just to be sure... */
- assert_se(chdir("/") == 0);
+ chdir("/");
/* Raise the signal again */
raise(sig);
@@ -155,7 +181,7 @@ _noreturn_ static void crash(int sig) {
else if (status.si_code != CLD_DUMPED)
log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
else
- log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
+ log_error("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
}
}
@@ -186,7 +212,7 @@ _noreturn_ static void crash(int sig) {
_exit(1);
}
- log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid);
+ log_info("Successfully spawned crash shell as pid "PID_FMT".", pid);
}
log_info("Freezing execution.");
@@ -225,7 +251,7 @@ static int console_setup(bool do_reset) {
if (r < 0)
log_error("Failed to reset /dev/console: %s", strerror(-r));
- close_nointr_nofail(tty_fd);
+ safe_close(tty_fd);
return r;
}
@@ -244,7 +270,7 @@ static int set_default_unit(const char *u) {
return 0;
}
-static int parse_proc_cmdline_word(const char *word) {
+static int parse_proc_cmdline_item(const char *key, const char *value) {
static const char * const rlmap[] = {
"emergency", SPECIAL_EMERGENCY_TARGET,
@@ -259,164 +285,126 @@ static int parse_proc_cmdline_word(const char *word) {
"4", SPECIAL_RUNLEVEL4_TARGET,
"5", SPECIAL_RUNLEVEL5_TARGET,
};
+ int r;
- assert(word);
+ assert(key);
- if (startswith(word, "systemd.unit=")) {
+ if (streq(key, "systemd.unit") && value) {
if (!in_initrd())
- return set_default_unit(word + 13);
+ return set_default_unit(value);
- } else if (startswith(word, "rd.systemd.unit=")) {
+ } else if (streq(key, "rd.systemd.unit") && value) {
if (in_initrd())
- return set_default_unit(word + 16);
+ return set_default_unit(value);
- } else if (startswith(word, "systemd.log_target=")) {
+ } else if (streq(key, "systemd.log_target") && value) {
- if (log_set_target_from_string(word + 19) < 0)
- log_warning("Failed to parse log target %s. Ignoring.", word + 19);
+ if (log_set_target_from_string(value) < 0)
+ log_warning("Failed to parse log target %s. Ignoring.", value);
- } else if (startswith(word, "systemd.log_level=")) {
+ } else if (streq(key, "systemd.log_level") && value) {
- if (log_set_max_level_from_string(word + 18) < 0)
- log_warning("Failed to parse log level %s. Ignoring.", word + 18);
+ if (log_set_max_level_from_string(value) < 0)
+ log_warning("Failed to parse log level %s. Ignoring.", value);
- } else if (startswith(word, "systemd.log_color=")) {
+ } else if (streq(key, "systemd.log_color") && value) {
- if (log_show_color_from_string(word + 18) < 0)
- log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
+ if (log_show_color_from_string(value) < 0)
+ log_warning("Failed to parse log color setting %s. Ignoring.", value);
- } else if (startswith(word, "systemd.log_location=")) {
+ } else if (streq(key, "systemd.log_location") && value) {
- if (log_show_location_from_string(word + 21) < 0)
- log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
+ if (log_show_location_from_string(value) < 0)
+ log_warning("Failed to parse log location setting %s. Ignoring.", value);
- } else if (startswith(word, "systemd.dump_core=")) {
- int r;
+ } else if (streq(key, "systemd.dump_core") && value) {
- if ((r = parse_boolean(word + 18)) < 0)
- log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18);
+ r = parse_boolean(value);
+ if (r < 0)
+ log_warning("Failed to parse dump core switch %s. Ignoring.", value);
else
arg_dump_core = r;
- } else if (startswith(word, "systemd.crash_shell=")) {
- int r;
+ } else if (streq(key, "systemd.crash_shell") && value) {
- if ((r = parse_boolean(word + 20)) < 0)
- log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20);
+ r = parse_boolean(value);
+ if (r < 0)
+ log_warning("Failed to parse crash shell switch %s. Ignoring.", value);
else
arg_crash_shell = r;
- } else if (startswith(word, "systemd.confirm_spawn=")) {
- int r;
+ } else if (streq(key, "systemd.crash_chvt") && value) {
- if ((r = parse_boolean(word + 22)) < 0)
- log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22);
+ if (safe_atoi(value, &r) < 0)
+ log_warning("Failed to parse crash chvt switch %s. Ignoring.", value);
else
- arg_confirm_spawn = r;
+ arg_crash_chvt = r;
- } else if (startswith(word, "systemd.crash_chvt=")) {
- int k;
+ } else if (streq(key, "systemd.confirm_spawn") && value) {
- if (safe_atoi(word + 19, &k) < 0)
- log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19);
+ r = parse_boolean(value);
+ if (r < 0)
+ log_warning("Failed to parse confirm spawn switch %s. Ignoring.", value);
else
- arg_crash_chvt = k;
+ arg_confirm_spawn = r;
- } else if (startswith(word, "systemd.show_status=")) {
- int r;
+ } else if (streq(key, "systemd.show_status") && value) {
- if ((r = parse_boolean(word + 20)) < 0)
- log_warning("Failed to parse show status switch %s. Ignoring.", word + 20);
- else
- arg_show_status = r;
- } else if (startswith(word, "systemd.default_standard_output=")) {
- int r;
+ r = parse_show_status(value, &arg_show_status);
+ if (r < 0)
+ log_warning("Failed to parse show status switch %s. Ignoring.", value);
+
+ } else if (streq(key, "systemd.default_standard_output") && value) {
- if ((r = exec_output_from_string(word + 32)) < 0)
- log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32);
+ r = exec_output_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse default standard output switch %s. Ignoring.", value);
else
arg_default_std_output = r;
- } else if (startswith(word, "systemd.default_standard_error=")) {
- int r;
- if ((r = exec_output_from_string(word + 31)) < 0)
- log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31);
+ } else if (streq(key, "systemd.default_standard_error") && value) {
+
+ r = exec_output_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse default standard error switch %s. Ignoring.", value);
else
arg_default_std_error = r;
- } else if (startswith(word, "systemd.setenv=")) {
- _cleanup_free_ char *cenv = NULL;
- char *eq;
- int r;
- cenv = strdup(word + 15);
- if (!cenv)
- return -ENOMEM;
+ } else if (streq(key, "systemd.setenv") && value) {
- eq = strchr(cenv, '=');
- if (!eq) {
- if (!env_name_is_valid(cenv))
- log_warning("Environment variable name '%s' is not valid. Ignoring.", cenv);
- else {
- r = unsetenv(cenv);
- if (r < 0)
- log_warning("Unsetting environment variable '%s' failed, ignoring: %m", cenv);
- }
- } else {
- if (!env_assignment_is_valid(cenv))
- log_warning("Environment variable assignment '%s' is not valid. Ignoring.", cenv);
- else {
- *eq = 0;
- r = setenv(cenv, eq + 1, 1);
- if (r < 0)
- log_warning("Setting environment variable '%s=%s' failed, ignoring: %m", cenv, eq + 1);
- }
- }
+ if (env_assignment_is_valid(value)) {
+ char **env;
- } else if (startswith(word, "systemd.") ||
- (in_initrd() && startswith(word, "rd.systemd."))) {
-
- const char *c;
-
- /* Ignore systemd.journald.xyz and friends */
- c = word;
- if (startswith(c, "rd."))
- c += 3;
- if (startswith(c, "systemd."))
- c += 8;
- if (c[strcspn(c, ".=")] != '.') {
-
- log_warning("Unknown kernel switch %s. Ignoring.", word);
-
- log_info("Supported kernel switches:\n"
- "systemd.unit=UNIT Default unit to start\n"
- "rd.systemd.unit=UNIT Default unit to start when run in initrd\n"
- "systemd.dump_core=0|1 Dump core on crash\n"
- "systemd.crash_shell=0|1 Run shell on crash\n"
- "systemd.crash_chvt=N Change to VT #N on crash\n"
- "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
- "systemd.show_status=0|1 Show status updates on the console during bootup\n"
- "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
- " Log target\n"
- "systemd.log_level=LEVEL Log level\n"
- "systemd.log_color=0|1 Highlight important log messages\n"
- "systemd.log_location=0|1 Include code location in log messages\n"
- "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
- " Set default log output for services\n"
- "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
- " Set default log error output for services\n"
- "systemd.setenv=ASSIGNMENT Set an environment variable for all spawned processes\n");
- }
+ env = strv_env_set(arg_default_environment, value);
+ if (env)
+ arg_default_environment = env;
+ else
+ log_warning("Setting environment variable '%s' failed, ignoring: %s", value, strerror(ENOMEM));
+ } else
+ log_warning("Environment variable name '%s' is not valid. Ignoring.", value);
+
+ } else if (streq(key, "quiet") && !value) {
+
+ log_set_max_level(LOG_NOTICE);
+
+ if (arg_show_status == _SHOW_STATUS_UNSET)
+ arg_show_status = SHOW_STATUS_AUTO;
+
+ } else if (streq(key, "debug") && !value) {
- } else if (streq(word, "quiet"))
- arg_show_status = false;
- else if (!in_initrd()) {
+ log_set_max_level(LOG_DEBUG);
+
+ if (detect_container(NULL) > 0)
+ log_set_target(LOG_TARGET_CONSOLE);
+
+ } else if (!in_initrd() && !value) {
unsigned i;
/* SysV compatibility */
for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
- if (streq(word, rlmap[i]))
+ if (streq(key, rlmap[i]))
return set_default_unit(rlmap[i+1]);
}
@@ -428,6 +416,7 @@ 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, \
@@ -454,16 +443,17 @@ DEFINE_SETTER(config_parse_target, log_set_target_from_string, "target")
DEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" )
DEFINE_SETTER(config_parse_location, log_show_location_from_string, "location")
-
-static int config_parse_cpu_affinity2(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
+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,
+ void *data,
+ void *userdata) {
char *w;
size_t l;
@@ -510,6 +500,36 @@ static int config_parse_cpu_affinity2(const char *unit,
return 0;
}
+static int config_parse_show_status(
+ 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) {
+
+ int k;
+ ShowStatus *b = data;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ k = parse_show_status(rvalue, b);
+ if (k < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, -k,
+ "Failed to parse show status setting, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ return 0;
+}
+
static void strv_free_free(char ***l) {
char ***i;
@@ -531,6 +551,7 @@ 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,
@@ -590,17 +611,12 @@ static int config_parse_join_controllers(const char *unit,
for (a = arg_join_controllers; *a; a++) {
if (strv_overlap(*a, l)) {
- char **c;
-
- c = strv_merge(*a, l);
- if (!c) {
+ if (strv_extend_strv(&l, *a) < 0) {
strv_free(l);
strv_free_free(t);
return log_oom();
}
- strv_free(l);
- l = c;
} else {
char **c;
@@ -628,93 +644,61 @@ static int config_parse_join_controllers(const char *unit,
static int parse_config_file(void) {
const ConfigTableItem items[] = {
- { "Manager", "LogLevel", config_parse_level2, 0, NULL },
- { "Manager", "LogTarget", config_parse_target, 0, NULL },
- { "Manager", "LogColor", config_parse_color, 0, NULL },
- { "Manager", "LogLocation", config_parse_location, 0, NULL },
- { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
- { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
- { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status },
- { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
- { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
- { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers },
- { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
- { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
- { "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 },
- { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
- { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
- { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU]},
- { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE]},
- { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA]},
- { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK]},
- { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE]},
- { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS]},
- { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE]},
- { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS]},
- { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC]},
- { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK]},
- { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS]},
- { "Manager", "DefaultLimitSIGPENDING",config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING]},
- { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE]},
- { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE]},
- { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO]},
- { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME]},
- { NULL, NULL, NULL, 0, NULL }
+ { "Manager", "LogLevel", config_parse_level2, 0, NULL },
+ { "Manager", "LogTarget", config_parse_target, 0, NULL },
+ { "Manager", "LogColor", config_parse_color, 0, NULL },
+ { "Manager", "LogLocation", config_parse_location, 0, NULL },
+ { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
+ { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
+ { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status },
+ { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
+ { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
+ { "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 },
+ { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
+#ifdef HAVE_SECCOMP
+ { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs },
+#endif
+ { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
+ { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec },
+ { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
+ { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
+ { "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", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment },
+ { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] },
+ { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] },
+ { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] },
+ { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] },
+ { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] },
+ { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] },
+ { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] },
+ { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] },
+ { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] },
+ { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] },
+ { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] },
+ { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] },
+ { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] },
+ { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] },
+ { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] },
+ { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] },
+ { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting },
+ { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting },
+ { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting },
+ {}
};
- _cleanup_fclose_ FILE *f;
const char *fn;
- int r;
-
- fn = arg_running_as == SYSTEMD_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE;
- f = fopen(fn, "re");
- if (!f) {
- if (errno == ENOENT)
- return 0;
-
- log_warning("Failed to open configuration file '%s': %m", fn);
- return 0;
- }
-
- r = config_parse(NULL, fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, false, NULL);
- if (r < 0)
- log_warning("Failed to parse configuration file: %s", strerror(-r));
-
- return 0;
-}
-
-static int parse_proc_cmdline(void) {
- _cleanup_free_ char *line = NULL;
- char *w, *state;
- int r;
- size_t l;
-
- /* Don't read /proc/cmdline if we are in a container, since
- * that is only relevant for the host system */
- if (detect_container(NULL) > 0)
- return 0;
-
- r = read_one_line_file("/proc/cmdline", &line);
- if (r < 0) {
- log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
- return 0;
- }
- FOREACH_WORD_QUOTED(w, l, line, state) {
- _cleanup_free_ char *word;
-
- word = strndup(w, l);
- if (!word)
- return log_oom();
-
- r = parse_proc_cmdline_word(word);
- if (r < 0) {
- log_error("Failed on cmdline argument %s: %s", word, strerror(-r));
- return r;
- }
- }
+ fn = arg_running_as == SYSTEMD_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf";
+ config_parse(NULL, fn, NULL,
+ "Manager\0",
+ config_item_table_lookup, items,
+ false, false, true, NULL);
return 0;
}
@@ -730,6 +714,7 @@ static int parse_argv(int argc, char *argv[]) {
ARG_SYSTEM,
ARG_USER,
ARG_TEST,
+ ARG_NO_PAGER,
ARG_VERSION,
ARG_DUMP_CONFIGURATION_ITEMS,
ARG_DUMP_CORE,
@@ -738,7 +723,6 @@ static int parse_argv(int argc, char *argv[]) {
ARG_SHOW_STATUS,
ARG_DESERIALIZE,
ARG_SWITCHED_ROOT,
- ARG_INTROSPECT,
ARG_DEFAULT_STD_OUTPUT,
ARG_DEFAULT_STD_ERROR
};
@@ -752,6 +736,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "user", no_argument, NULL, ARG_USER },
{ "test", no_argument, NULL, ARG_TEST },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
@@ -761,10 +746,9 @@ static int parse_argv(int argc, char *argv[]) {
{ "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
{ "deserialize", required_argument, NULL, ARG_DESERIALIZE },
{ "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
- { "introspect", optional_argument, NULL, ARG_INTROSPECT },
{ "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
{ "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
- { NULL, 0, NULL, 0 }
+ {}
};
int c, r;
@@ -780,7 +764,8 @@ static int parse_argv(int argc, char *argv[]) {
switch (c) {
case ARG_LOG_LEVEL:
- if ((r = log_set_max_level_from_string(optarg)) < 0) {
+ r = log_set_max_level_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse log level %s.", optarg);
return r;
}
@@ -788,8 +773,8 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_LOG_TARGET:
-
- if ((r = log_set_target_from_string(optarg)) < 0) {
+ r = log_set_target_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse log target %s.", optarg);
return r;
}
@@ -799,7 +784,8 @@ static int parse_argv(int argc, char *argv[]) {
case ARG_LOG_COLOR:
if (optarg) {
- if ((r = log_show_color_from_string(optarg)) < 0) {
+ r = log_show_color_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse log color setting %s.", optarg);
return r;
}
@@ -809,9 +795,9 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_LOG_LOCATION:
-
if (optarg) {
- if ((r = log_show_location_from_string(optarg)) < 0) {
+ r = log_show_location_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse log location setting %s.", optarg);
return r;
}
@@ -821,8 +807,8 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_DEFAULT_STD_OUTPUT:
-
- if ((r = exec_output_from_string(optarg)) < 0) {
+ r = exec_output_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse default standard output setting %s.", optarg);
return r;
} else
@@ -830,8 +816,8 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_DEFAULT_STD_ERROR:
-
- if ((r = exec_output_from_string(optarg)) < 0) {
+ r = exec_output_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse default standard error output setting %s.", optarg);
return r;
} else
@@ -840,7 +826,8 @@ static int parse_argv(int argc, char *argv[]) {
case ARG_UNIT:
- if ((r = set_default_unit(optarg)) < 0) {
+ r = set_default_unit(optarg);
+ if (r < 0) {
log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
return r;
}
@@ -857,6 +844,12 @@ static int parse_argv(int argc, char *argv[]) {
case ARG_TEST:
arg_action = ACTION_TEST;
+ if (arg_no_pager < 0)
+ arg_no_pager = true;
+ break;
+
+ case ARG_NO_PAGER:
+ arg_no_pager = true;
break;
case ARG_VERSION:
@@ -895,12 +888,14 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_SHOW_STATUS:
- r = optarg ? parse_boolean(optarg) : 1;
- if (r < 0) {
- log_error("Failed to parse show status boolean %s.", optarg);
- return r;
- }
- arg_show_status = r;
+ if (optarg) {
+ r = parse_show_status(optarg, &arg_show_status);
+ if (r < 0) {
+ log_error("Failed to parse show status boolean %s.", optarg);
+ return r;
+ }
+ } else
+ arg_show_status = SHOW_STATUS_YES;
break;
case ARG_DESERIALIZE: {
@@ -921,10 +916,10 @@ static int parse_argv(int argc, char *argv[]) {
return -errno;
}
- if (serialization)
- fclose(serialization);
+ if (arg_serialization)
+ fclose(arg_serialization);
- serialization = f;
+ arg_serialization = f;
break;
}
@@ -933,29 +928,10 @@ static int parse_argv(int argc, char *argv[]) {
arg_switched_root = true;
break;
- case ARG_INTROSPECT: {
- const char * const * i = NULL;
-
- for (i = bus_interface_table; *i; i += 2)
- if (!optarg || streq(i[0], optarg)) {
- fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
- "\n", stdout);
- fputs(i[1], stdout);
- fputs("\n", stdout);
-
- if (optarg)
- break;
- }
-
- if (!i[0] && optarg)
- log_error("Unknown interface %s.", optarg);
-
- arg_action = ACTION_DONE;
- break;
- }
-
case 'h':
arg_action = ACTION_HELP;
+ if (arg_no_pager < 0)
+ arg_no_pager = true;
break;
case 'D':
@@ -999,11 +975,24 @@ static int parse_argv(int argc, char *argv[]) {
* relevant for the container, hence we rely on argv[]
* instead. */
- for (a = argv; a < argv + argc; a++)
- if ((r = parse_proc_cmdline_word(*a)) < 0) {
+ for (a = argv; a < argv + argc; a++) {
+ _cleanup_free_ char *w;
+ char *value;
+
+ w = strdup(*a);
+ if (!w)
+ return log_oom();
+
+ value = strchr(w, '=');
+ if (value)
+ *(value++) = 0;
+
+ r = parse_proc_cmdline_item(w, value);
+ if (r < 0) {
log_error("Failed on cmdline argument %s: %s", *a, strerror(-r));
return r;
}
+ }
}
return 0;
@@ -1015,8 +1004,8 @@ static int help(void) {
"Starts up and maintains the system or user services.\n\n"
" -h --help Show this help\n"
" --test Determine startup sequence, dump it and exit\n"
+ " --no-pager Do not pipe output into a pager\n"
" --dump-configuration-items Dump understood unit configuration items\n"
- " --introspect[=INTERFACE] Extract D-Bus interface data\n"
" --unit=UNIT Set default unit\n"
" --system Run a system instance, even if PID != 1\n"
" --user Run a user instance\n"
@@ -1051,15 +1040,16 @@ static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching
assert(_f);
assert(_fds);
- /* Make sure nothing is really destructed when we shut down */
- m->n_reloading ++;
-
r = manager_open_serialization(m, &f);
if (r < 0) {
log_error("Failed to create serialization file: %s", strerror(-r));
goto fail;
}
+ /* Make sure nothing is really destructed when we shut down */
+ m->n_reloading ++;
+ bus_manager_send_reloading(m, true);
+
fds = fdset_new();
if (!fds) {
r = -ENOMEM;
@@ -1140,39 +1130,26 @@ static int bump_rlimit_nofile(struct rlimit *saved_rlimit) {
return 0;
}
-static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) {
- const char *e;
- unsigned long long a, b;
-
- assert(t);
-
- e = getenv("RD_TIMESTAMP");
- if (!e)
- return NULL;
-
- if (sscanf(e, "%llu %llu", &a, &b) != 2)
- return NULL;
-
- t->realtime = (usec_t) a;
- t->monotonic = (usec_t) b;
-
- return t;
-}
-
static void test_mtab(void) {
- char *p;
- /* Check that /etc/mtab is a symlink */
+ static const char ok[] =
+ "/proc/self/mounts\0"
+ "/proc/mounts\0"
+ "../proc/self/mounts\0"
+ "../proc/mounts\0";
- if (readlink_malloc("/etc/mtab", &p) >= 0) {
- bool b;
+ _cleanup_free_ char *p = NULL;
+ int r;
- b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts");
- free(p);
+ /* Check that /etc/mtab is a symlink to the right place or
+ * non-existing. But certainly not a file, or a symlink to
+ * some weird place... */
- if (b)
- return;
- }
+ r = readlink_malloc("/etc/mtab", &p);
+ if (r == -ENOENT)
+ return;
+ if (r >= 0 && nulstr_contains(ok, p))
+ return;
log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
"This is not supported anymore. "
@@ -1191,21 +1168,6 @@ static void test_usr(void) {
"Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
}
-static void test_cgroups(void) {
-
- if (access("/proc/cgroups", F_OK) >= 0)
- return;
-
- log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. "
- "Systems without control groups are not supported. "
- "We will now sleep for 10s, and then continue boot-up. "
- "Expect breakage and please do not file bugs. "
- "Instead fix your kernel and enable CONFIG_CGROUPS. "
- "Consult http://0pointer.de/blog/projects/cgroups-vs-cgroups.html for more information.");
-
- sleep(10);
-}
-
static int initialize_join_controllers(void) {
/* By default, mount "cpu" + "cpuacct" together, and "net_cls"
* + "net_prio". We'd like to add "cpuset" to the mix, but
@@ -1228,6 +1190,79 @@ static int initialize_join_controllers(void) {
return 0;
}
+static int enforce_syscall_archs(Set *archs) {
+#ifdef HAVE_SECCOMP
+ scmp_filter_ctx *seccomp;
+ Iterator i;
+ void *id;
+ int r;
+
+ seccomp = seccomp_init(SCMP_ACT_ALLOW);
+ if (!seccomp)
+ return log_oom();
+
+ SET_FOREACH(id, arg_syscall_archs, i) {
+ r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1);
+ if (r == -EEXIST)
+ continue;
+ if (r < 0) {
+ log_error("Failed to add architecture to seccomp: %s", strerror(-r));
+ goto finish;
+ }
+ }
+
+ r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0);
+ if (r < 0) {
+ log_error("Failed to unset NO_NEW_PRIVS: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = seccomp_load(seccomp);
+ if (r < 0)
+ log_error("Failed to add install architecture seccomp: %s", strerror(-r));
+
+finish:
+ seccomp_release(seccomp);
+ return r;
+#else
+ return 0;
+#endif
+}
+
+static int status_welcome(void) {
+ _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL;
+ int r;
+
+ r = parse_env_file("/etc/os-release", NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ "ANSI_COLOR", &ansi_color,
+ NULL);
+ if (r == -ENOENT) {
+ r = parse_env_file("/usr/lib/os-release", NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ "ANSI_COLOR", &ansi_color,
+ NULL);
+ }
+
+ if (r < 0 && r != -ENOENT)
+ log_warning("Failed to read os-release file: %s", strerror(-r));
+
+ return status_printf(NULL, false, false,
+ "\nWelcome to \x1B[%sm%s\x1B[0m!\n",
+ isempty(ansi_color) ? "1" : ansi_color,
+ isempty(pretty_name) ? "Linux" : pretty_name);
+}
+
+static int write_container_id(void) {
+ const char *c;
+
+ c = getenv("container");
+ if (isempty(c))
+ return 0;
+
+ return write_string_file("/run/systemd/container", c);
+}
+
int main(int argc, char *argv[]) {
Manager *m = NULL;
int r, retval = EXIT_FAILURE;
@@ -1239,14 +1274,15 @@ 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 firmware_timestamp = { 0ULL, 0ULL };
- dual_timestamp loader_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;
+ unsigned j;
bool loaded_policy = false;
bool arm_reboot_watchdog = false;
bool queue_default_job = false;
+ bool empty_etc = false;
char *switch_root_dir = NULL, *switch_root_init = NULL;
static struct rlimit saved_rlimit_nofile = { 0, 0 };
@@ -1288,48 +1324,42 @@ int main(int argc, char *argv[]) {
log_show_color(isatty(STDERR_FILENO) > 0);
+ /* Disable the umask logic */
+ if (getpid() == 1)
+ umask(0);
+
if (getpid() == 1 && detect_container(NULL) <= 0) {
-#ifdef ENABLE_EFI
- efi_get_boot_timestamps(&userspace_timestamp, &firmware_timestamp, &loader_timestamp);
-#endif
+
/* Running outside of a container as PID 1 */
arg_running_as = SYSTEMD_SYSTEM;
make_null_stdio();
log_set_target(LOG_TARGET_KMSG);
log_open();
- if (in_initrd()) {
- char *rd_timestamp = NULL;
-
+ if (in_initrd())
initrd_timestamp = userspace_timestamp;
- asprintf(&rd_timestamp, "%llu %llu",
- (unsigned long long) initrd_timestamp.realtime,
- (unsigned long long) initrd_timestamp.monotonic);
- if (rd_timestamp) {
- setenv("RD_TIMESTAMP", rd_timestamp, 1);
- free(rd_timestamp);
- }
- }
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)
+ if (smack_setup(&loaded_policy) < 0)
goto finish;
+ dual_timestamp_get(&security_finish_timestamp);
}
if (label_init(NULL) < 0)
goto finish;
if (!skip_setup) {
- if (hwclock_is_localtime() > 0) {
+ if (clock_is_localtime() > 0) {
int min;
/* The first-time call to settimeofday() does a time warp in the kernel */
- r = hwclock_set_timezone(&min);
+ r = clock_set_timezone(&min);
if (r < 0)
log_error("Failed to apply local time delta, ignoring: %s", strerror(-r));
else
@@ -1343,12 +1373,12 @@ int main(int argc, char *argv[]) {
* that way. In such case, we need to delay the time-warp or the sealing
* until we reach the real system.
*/
- hwclock_reset_timezone();
+ clock_reset_timezone();
- /* Tell the kernel our time zone */
- r = hwclock_set_timezone(NULL);
+ /* Tell the kernel our timezone */
+ r = clock_set_timezone(NULL);
if (r < 0)
- log_error("Failed to set the kernel's time zone, ignoring: %s", strerror(-r));
+ log_error("Failed to set the kernel's timezone, ignoring: %s", strerror(-r));
}
}
@@ -1364,6 +1394,7 @@ int main(int argc, char *argv[]) {
/* Running inside a container, as PID 1 */
arg_running_as = SYSTEMD_SYSTEM;
log_set_target(LOG_TARGET_CONSOLE);
+ log_close_console(); /* force reopen of /dev/console */
log_open();
/* For the later on, see above... */
@@ -1408,14 +1439,13 @@ int main(int argc, char *argv[]) {
/* Reset all signal handlers. */
assert_se(reset_all_signal_handlers() == 0);
- /* If we are init, we can block sigkill. Yay. */
ignore_signals(SIGNALS_IGNORE, -1);
if (parse_config_file() < 0)
goto finish;
if (arg_running_as == SYSTEMD_SYSTEM)
- if (parse_proc_cmdline() < 0)
+ if (parse_proc_cmdline(parse_proc_cmdline_item) < 0)
goto finish;
log_parse_environment();
@@ -1443,6 +1473,11 @@ int main(int argc, char *argv[]) {
goto finish;
}
+ if (arg_action == ACTION_TEST)
+ skip_setup = true;
+
+ pager_open_if_enabled();
+
if (arg_action == ACTION_HELP) {
retval = help();
goto finish;
@@ -1458,6 +1493,12 @@ 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 */
@@ -1471,65 +1512,15 @@ int main(int argc, char *argv[]) {
} else
fdset_cloexec(fds, true);
- if (serialization)
- assert_se(fdset_remove(fds, fileno(serialization)) >= 0);
-
- /* Set up PATH unless it is already set */
- setenv("PATH",
-#ifdef HAVE_SPLIT_USR
- "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
-#else
- "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin",
-#endif
- arg_running_as == SYSTEMD_SYSTEM);
-
- if (arg_running_as == SYSTEMD_SYSTEM) {
- /* Parse the data passed to us. We leave this
- * variables set, but the manager later on will not
- * pass them on to our children. */
- if (!in_initrd())
- parse_initrd_timestamp(&initrd_timestamp);
-
- /* Unset some environment variables passed in from the
- * kernel that don't really make sense for us. */
- unsetenv("HOME");
- unsetenv("TERM");
-
- /* When we are invoked by a shell, these might be set,
- * but make little sense to pass on */
- unsetenv("PWD");
- unsetenv("SHLVL");
- unsetenv("_");
-
- /* When we are invoked by a chroot-like tool such as
- * nspawn, these might be set, but make little sense
- * to pass on */
- unsetenv("USER");
- unsetenv("LOGNAME");
-
- /* We suppress the socket activation env vars, as
- * we'll try to match *any* open fd to units if
- * possible. */
- unsetenv("LISTEN_FDS");
- unsetenv("LISTEN_PID");
-
- /* All other variables are left as is, so that clients
- * can still read them via /proc/1/environ */
- }
-
- /* Move out of the way, so that we won't block unmounts */
- assert_se(chdir("/") == 0);
+ if (arg_serialization)
+ assert_se(fdset_remove(fds, fileno(arg_serialization)) >= 0);
- if (arg_running_as == SYSTEMD_SYSTEM) {
+ if (arg_running_as == SYSTEMD_SYSTEM)
/* Become a session leader if we aren't one yet. */
setsid();
- /* Disable the umask logic */
- umask(0);
- }
-
- /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
- dbus_connection_set_change_sigpipe(FALSE);
+ /* Move out of the way, so that we won't block unmounts */
+ assert_se(chdir("/") == 0);
/* Reset the console, but only if this is really init and we
* are freshly booted */
@@ -1539,6 +1530,9 @@ int main(int argc, char *argv[]) {
/* Open the logging devices, if possible and necessary */
log_open();
+ if (arg_show_status == _SHOW_STATUS_UNSET)
+ arg_show_status = SHOW_STATUS_YES;
+
/* Make sure we leave a core dump without panicing the
* kernel. */
if (getpid() == 1) {
@@ -1552,34 +1546,52 @@ int main(int argc, char *argv[]) {
if (arg_running_as == SYSTEMD_SYSTEM) {
const char *virtualization = NULL;
- log_info(PACKAGE_STRING " running in system mode. (" SYSTEMD_FEATURES ")");
+ log_info(PACKAGE_STRING " running in %ssystem mode. (" SYSTEMD_FEATURES ")",
+ arg_action == ACTION_TEST ? "test " : "" );
detect_virtualization(&virtualization);
if (virtualization)
log_info("Detected virtualization '%s'.", virtualization);
+ write_container_id();
+
+ log_info("Detected architecture '%s'.", architecture_to_string(uname_architecture()));
+
if (in_initrd())
log_info("Running in initial RAM disk.");
- } else
- log_debug(PACKAGE_STRING " running in user mode. (" SYSTEMD_FEATURES ")");
+ /* Let's check whether /etc is already populated. We
+ * don't actually really check for that, but use
+ * /etc/machine-id as flag file. This allows container
+ * managers and installers to provision a couple of
+ * files already. If the container manager wants to
+ * provision the machine ID itself it should pass
+ * $container_uuid to PID 1.*/
+
+ empty_etc = access("/etc/machine-id", F_OK) < 0;
+ if (empty_etc)
+ log_info("Running with unpopulated /etc.");
+ } else {
+ _cleanup_free_ char *t;
- if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) {
- locale_setup();
+ t = uid_to_name(getuid());
+ log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")",
+ arg_action == ACTION_TEST ? " test" : "", getuid(), t);
+ }
- if (arg_show_status || plymouth_running())
+ if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) {
+ if (arg_show_status > 0 || plymouth_running())
status_welcome();
#ifdef HAVE_KMOD
kmod_setup();
#endif
hostname_setup();
- machine_id_setup();
+ machine_id_setup(NULL);
loopback_setup();
test_mtab();
test_usr();
- test_cgroups();
}
if (arg_running_as == SYSTEMD_SYSTEM && arg_runtime_watchdog > 0)
@@ -1590,18 +1602,24 @@ int main(int argc, char *argv[]) {
log_error("Failed to adjust timer slack: %m");
if (arg_capability_bounding_set_drop) {
- r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true);
+ r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop);
if (r < 0) {
- log_error("Failed to drop capability bounding set: %s", strerror(-r));
+ log_error("Failed to drop capability bounding set of usermode helpers: %s", strerror(-r));
goto finish;
}
- r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop);
+ r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true);
if (r < 0) {
- log_error("Failed to drop capability bounding set of usermode helpers: %s", strerror(-r));
+ log_error("Failed to drop capability bounding set: %s", strerror(-r));
goto finish;
}
}
+ if (arg_syscall_archs) {
+ r = enforce_syscall_archs(arg_syscall_archs);
+ if (r < 0)
+ goto finish;
+ }
+
if (arg_running_as == SYSTEMD_USER) {
/* Become reaper of our children */
if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) {
@@ -1611,65 +1629,79 @@ int main(int argc, char *argv[]) {
}
}
- if (arg_running_as == SYSTEMD_SYSTEM)
+ if (arg_running_as == SYSTEMD_SYSTEM) {
bump_rlimit_nofile(&saved_rlimit_nofile);
- r = manager_new(arg_running_as, &m);
+ if (empty_etc) {
+ r = unit_file_preset_all(UNIT_FILE_SYSTEM, false, NULL, UNIT_FILE_PRESET_FULL, false, NULL, 0);
+ if (r < 0)
+ log_warning("Failed to populate /etc with preset unit settings, ignoring: %s", strerror(-r));
+ else
+ log_info("Populated /etc with preset unit settings.");
+ }
+ }
+
+ r = manager_new(arg_running_as, arg_action == ACTION_TEST, &m);
if (r < 0) {
log_error("Failed to allocate manager object: %s", strerror(-r));
goto finish;
}
m->confirm_spawn = arg_confirm_spawn;
+ m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec;
m->default_std_output = arg_default_std_output;
m->default_std_error = arg_default_std_error;
+ 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->default_cpu_accounting = arg_default_cpu_accounting;
+ m->default_blockio_accounting = arg_default_blockio_accounting;
+ m->default_memory_accounting = arg_default_memory_accounting;
m->runtime_watchdog = arg_runtime_watchdog;
m->shutdown_watchdog = arg_shutdown_watchdog;
m->userspace_timestamp = userspace_timestamp;
m->kernel_timestamp = kernel_timestamp;
- m->firmware_timestamp = firmware_timestamp;
- m->loader_timestamp = loader_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_controllers)
- manager_set_default_controllers(m, arg_default_controllers);
-
+ manager_environment_add(m, NULL, arg_default_environment);
manager_set_show_status(m, arg_show_status);
+ manager_set_first_boot(m, empty_etc);
/* Remember whether we should queue the default job */
- queue_default_job = !serialization || arg_switched_root;
+ queue_default_job = !arg_serialization || arg_switched_root;
before_startup = now(CLOCK_MONOTONIC);
- r = manager_startup(m, serialization, fds);
+ r = manager_startup(m, arg_serialization, fds);
if (r < 0)
log_error("Failed to fully start up daemon: %s", strerror(-r));
/* This will close all file descriptors that were opened, but
* not claimed by any unit. */
fdset_free(fds);
+ fds = NULL;
- if (serialization) {
- fclose(serialization);
- serialization = NULL;
+ if (arg_serialization) {
+ fclose(arg_serialization);
+ arg_serialization = NULL;
}
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)
+ 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.");
@@ -1679,10 +1711,9 @@ 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) {
+ } 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));
goto finish;
} else if (target->load_state == UNIT_MASKED) {
@@ -1700,18 +1731,15 @@ 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;
}
@@ -1753,7 +1781,7 @@ int main(int argc, char *argv[]) {
case MANAGER_REEXECUTE:
- if (prepare_reexecute(m, &serialization, &fds, false) < 0)
+ if (prepare_reexecute(m, &arg_serialization, &fds, false) < 0)
goto finish;
reexecute = true;
@@ -1767,7 +1795,7 @@ int main(int argc, char *argv[]) {
m->switch_root = m->switch_root_init = NULL;
if (!switch_root_init)
- if (prepare_reexecute(m, &serialization, &fds, true) < 0)
+ if (prepare_reexecute(m, &arg_serialization, &fds, true) < 0)
goto finish;
reexecute = true;
@@ -1798,22 +1826,35 @@ int main(int argc, char *argv[]) {
}
finish:
- if (m)
+ pager_close();
+
+ if (m) {
manager_free(m);
+ m = NULL;
+ }
- for (j = 0; j < RLIMIT_NLIMITS; j++)
+ for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) {
free(arg_default_rlimit[j]);
+ arg_default_rlimit[j] = NULL;
+ }
free(arg_default_unit);
- strv_free(arg_default_controllers);
+ arg_default_unit = NULL;
+
free_join_controllers();
- dbus_shutdown();
+ strv_free(arg_default_environment);
+ arg_default_environment = NULL;
+
+ set_free(arg_syscall_archs);
+ arg_syscall_archs = NULL;
+
label_finish();
if (reexecute) {
const char **args;
unsigned i, args_size;
+ sigset_t ss;
/* Close and disarm the watchdog, so that the new
* instance can reinitialize it, but doesn't get
@@ -1831,7 +1872,7 @@ 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);
@@ -1850,10 +1891,10 @@ finish:
* this only if the user didn't specify an
* explicit init to spawn. */
- assert(serialization);
+ assert(arg_serialization);
assert(fds);
- snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
+ snprintf(sfd, sizeof(sfd), "%i", fileno(arg_serialization));
char_array_0(sfd);
i = 0;
@@ -1865,6 +1906,10 @@ finish:
args[i++] = sfd;
args[i++] = NULL;
+ /* do not pass along the environment we inherit from the kernel or initrd */
+ if (switch_root_dir)
+ clearenv();
+
assert(i <= args_size);
execv(args[0], (char* const*) args);
}
@@ -1875,9 +1920,9 @@ finish:
* getopt() in argv[], and some cleanups in envp[],
* but let's hope that doesn't matter.) */
- if (serialization) {
- fclose(serialization);
- serialization = NULL;
+ if (arg_serialization) {
+ fclose(arg_serialization);
+ arg_serialization = NULL;
}
if (fds) {
@@ -1888,11 +1933,18 @@ finish:
/* Reopen the console */
make_console_stdio();
- for (j = 1, i = 1; j < argc; j++)
+ for (j = 1, i = 1; j < (unsigned) argc; j++)
args[i++] = argv[j];
args[i++] = NULL;
assert(i <= args_size);
+ /* reenable any blocked signals, especially important
+ * if we switch from initial ramdisk to init=... */
+ reset_all_signal_handlers();
+
+ assert_se(sigemptyset(&ss) == 0);
+ assert_se(sigprocmask(SIG_SETMASK, &ss, NULL) == 0);
+
if (switch_root_init) {
args[0] = switch_root_init;
execv(args[0], (char* const*) args);
@@ -1913,22 +1965,64 @@ finish:
log_warning("Failed to execute /sbin/init, giving up: %m");
}
- if (serialization)
- fclose(serialization);
+ if (arg_serialization) {
+ fclose(arg_serialization);
+ arg_serialization = NULL;
+ }
- if (fds)
+ if (fds) {
fdset_free(fds);
+ fds = NULL;
+ }
+
+#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[] = {
+ char log_level[DECIMAL_STR_MAX(int) + 1];
+ const char* command_line[9] = {
SYSTEMD_SHUTDOWN_BINARY_PATH,
shutdown_verb,
- NULL
+ "--log-level", log_level,
+ "--log-target",
+ };
+ unsigned pos = 5;
+ _cleanup_strv_free_ char **env_block = NULL;
+
+ assert(command_line[pos] == NULL);
+ env_block = strv_copy(environ);
+
+ snprintf(log_level, sizeof(log_level), "%d", log_get_max_level());
+
+ switch (log_get_target()) {
+ case LOG_TARGET_KMSG:
+ case LOG_TARGET_JOURNAL_OR_KMSG:
+ case LOG_TARGET_SYSLOG_OR_KMSG:
+ command_line[pos++] = "kmsg";
+ break;
+
+ case LOG_TARGET_CONSOLE:
+ default:
+ command_line[pos++] = "console";
+ break;
};
- char **env_block;
+
+ if (log_get_show_color())
+ command_line[pos++] = "--log-color";
+
+ if (log_get_show_location())
+ command_line[pos++] = "--log-location";
+
+ assert(pos < ELEMENTSOF(command_line));
if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) {
- char e[32];
+ char *e;
/* If we reboot let's set the shutdown
* watchdog and tell the shutdown binary to
@@ -1936,19 +2030,21 @@ finish:
watchdog_set_timeout(&arg_shutdown_watchdog);
watchdog_close(false);
- /* Tell the binary how often to ping */
- snprintf(e, sizeof(e), "WATCHDOG_USEC=%llu", (unsigned long long) arg_shutdown_watchdog);
- char_array_0(e);
-
- env_block = strv_append(environ, e);
- } else {
- env_block = strv_copy(environ);
+ /* Tell the binary how often to ping, ignore failure */
+ if (asprintf(&e, "WATCHDOG_USEC="USEC_FMT, arg_shutdown_watchdog) > 0)
+ strv_push(&env_block, e);
+ } else
watchdog_close(true);
- }
+
+ /* Avoid the creation of new processes forked by the
+ * kernel; at this point, we will not listen to the
+ * signals anyway */
+ if (detect_container(NULL) <= 0)
+ cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER);
execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
- free(env_block);
- log_error("Failed to execute shutdown binary, freezing: %m");
+ log_error("Failed to execute shutdown binary, %s: %m",
+ getpid() == 1 ? "freezing" : "quitting");
}
if (getpid() == 1)