X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fmain.c;h=71ec607dec249147704bd5ec9acb04e56ae93b6e;hb=b64a3d86bcc3b3698824019d0ebdc2117ad31bb5;hp=14e21d634b920a6c2b136dbf2e7936b496e9720c;hpb=89fffa2735ea975b3716ee47820d194bd86cce5f;p=elogind.git diff --git a/src/core/main.c b/src/core/main.c index 14e21d634..71ec607de 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -35,6 +35,9 @@ #ifdef HAVE_VALGRIND_VALGRIND_H #include #endif +#ifdef HAVE_SECCOMP +#include +#endif #include "sd-daemon.h" #include "sd-messages.h" @@ -51,6 +54,7 @@ #include "strv.h" #include "def.h" #include "virt.h" +#include "architecture.h" #include "watchdog.h" #include "path-util.h" #include "switch-root.h" @@ -88,7 +92,7 @@ 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 ShowStatus arg_show_status = SHOW_STATUS_UNSET; +static ShowStatus arg_show_status = _SHOW_STATUS_UNSET; static bool arg_switched_root = false; static char ***arg_join_controllers = NULL; static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL; @@ -106,6 +110,9 @@ static uint64_t arg_capability_bounding_set_drop = 0; static nsec_t arg_timer_slack_nsec = (nsec_t) -1; 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 void nop_handler(int sig) {} @@ -303,7 +310,8 @@ static int parse_proc_cmdline_word(const char *word) { } else if (startswith(word, "systemd.dump_core=")) { int r; - if ((r = parse_boolean(word + 18)) < 0) + r = parse_boolean(word + 18); + if (r < 0) log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18); else arg_dump_core = r; @@ -311,7 +319,8 @@ static int parse_proc_cmdline_word(const char *word) { } else if (startswith(word, "systemd.crash_shell=")) { int r; - if ((r = parse_boolean(word + 20)) < 0) + r = parse_boolean(word + 20); + if (r < 0) log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20); else arg_crash_shell = r; @@ -319,7 +328,8 @@ static int parse_proc_cmdline_word(const char *word) { } else if (startswith(word, "systemd.confirm_spawn=")) { int r; - if ((r = parse_boolean(word + 22)) < 0) + r = parse_boolean(word + 22); + if (r < 0) log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22); else arg_confirm_spawn = r; @@ -341,23 +351,21 @@ static int parse_proc_cmdline_word(const char *word) { } else if (startswith(word, "systemd.default_standard_output=")) { int r; - if ((r = exec_output_from_string(word + 32)) < 0) + r = exec_output_from_string(word + 32); + if (r < 0) log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32); 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) + r = exec_output_from_string(word + 31); + if (r < 0) log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31); else arg_default_std_error = r; } else if (startswith(word, "systemd.setenv=")) { - _cleanup_free_ char *cenv = NULL; - - cenv = strdup(word + 15); - if (!cenv) - return -ENOMEM; + const char *cenv = word + 15; if (env_assignment_is_valid(cenv)) { char **env; @@ -366,7 +374,8 @@ static int parse_proc_cmdline_word(const char *word) { if (env) arg_default_environment = env; else - log_warning("Setting environment variable '%s' failed, ignoring: %m", cenv); + log_warning("Setting environment variable '%s' failed, ignoring: %s", + cenv, strerror(ENOMEM)); } else log_warning("Environment variable name '%s' is not valid. Ignoring.", cenv); @@ -406,7 +415,7 @@ static int parse_proc_cmdline_word(const char *word) { } } else if (streq(word, "quiet")) { - if (arg_show_status == SHOW_STATUS_UNSET) + if (arg_show_status == _SHOW_STATUS_UNSET) arg_show_status = SHOW_STATUS_AUTO; } else if (streq(word, "debug")) { /* Log to kmsg, the journal socket will fill up before the @@ -670,6 +679,9 @@ static int parse_config_file(void) { { "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 }, {} }; @@ -694,35 +706,6 @@ static int parse_config_file(void) { return 0; } -static int parse_proc_cmdline(void) { - _cleanup_free_ char *line = NULL; - char *w, *state; - size_t l; - int r; - - r = proc_cmdline(&line); - if (r < 0) - log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); - if (r <= 0) - 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; - } - } - - return 0; -} - static int parse_argv(int argc, char *argv[]) { enum { @@ -766,7 +749,7 @@ static int parse_argv(int argc, char *argv[]) { { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT }, { "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; @@ -782,7 +765,8 @@ 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; } @@ -790,8 +774,8 @@ 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; } @@ -801,7 +785,8 @@ 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; } @@ -811,9 +796,9 @@ 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; } @@ -823,8 +808,8 @@ 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 @@ -832,8 +817,8 @@ 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 @@ -842,7 +827,8 @@ 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; } @@ -1215,6 +1201,12 @@ static int enforce_syscall_archs(Set *archs) { } } + 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)); @@ -1227,6 +1219,24 @@ finish: #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 < 0 && r != -ENOENT) + log_warning("Failed to read /etc/os-release: %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); +} + int main(int argc, char *argv[]) { Manager *m = NULL; int r, retval = EXIT_FAILURE; @@ -1309,7 +1319,7 @@ int main(int argc, char *argv[]) { 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); } @@ -1408,7 +1418,7 @@ int main(int argc, char *argv[]) { goto finish; if (arg_running_as == SYSTEMD_SYSTEM) - if (parse_proc_cmdline() < 0) + if (parse_proc_cmdline(parse_proc_cmdline_word) < 0) goto finish; log_parse_environment(); @@ -1488,6 +1498,9 @@ 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) { @@ -1507,6 +1520,8 @@ int main(int argc, char *argv[]) { if (virtualization) log_info("Detected virtualization '%s'.", virtualization); + log_info("Detected architecture '%s'.", architecture_to_string(uname_architecture())); + if (in_initrd()) log_info("Running in initial RAM disk."); @@ -1585,6 +1600,9 @@ int main(int argc, char *argv[]) { 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; @@ -1594,12 +1612,7 @@ int main(int argc, char *argv[]) { m->security_finish_timestamp = security_finish_timestamp; manager_set_default_rlimits(m, arg_default_rlimit); - - if (arg_default_environment) - manager_environment_add(m, NULL, arg_default_environment); - - if (arg_show_status == SHOW_STATUS_UNSET) - arg_show_status = SHOW_STATUS_YES; + manager_environment_add(m, NULL, arg_default_environment); manager_set_show_status(m, arg_show_status); /* Remember whether we should queue the default job */ @@ -1905,14 +1918,42 @@ finish: #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; + }; + + if (log_get_show_color()) + command_line[pos++] = "--log-color"; + + if (log_get_show_location()) + command_line[pos++] = "--log-location"; + + assert(pos + 1 < ELEMENTSOF(command_line)); + if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) { char *e; @@ -1935,7 +1976,8 @@ finish: cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER); execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, 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)