X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmain.c;h=83cf2e70578e971c6c5f16984189859d50222d6d;hp=15bd2e4d1562bf14ad2089811e4845ae3ab05b41;hb=ade509ce73ba1de3bcda8b012961a3045f721df7;hpb=52661efd21608dc7e0ac26b714a9254ed6180ddb diff --git a/src/main.c b/src/main.c index 15bd2e4d1..83cf2e705 100644 --- a/src/main.c +++ b/src/main.c @@ -180,20 +180,6 @@ static void install_crash_handler(void) { sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); } -static int make_null_stdio(void) { - int null_fd, r; - - if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0) { - log_error("Failed to open /dev/null: %m"); - return -errno; - } - - if ((r = make_stdio(null_fd)) < 0) - log_warning("Failed to dup2() device: %s", strerror(-r)); - - return r; -} - static int console_setup(bool do_reset) { int tty_fd, r; @@ -333,7 +319,7 @@ static int parse_proc_cmdline_word(const char *word) { #ifdef HAVE_SYSV_COMPAT "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n" #endif - "systemd.log_target=console|kmsg|syslog|syslog-org-kmsg|null\n" + "systemd.log_target=console|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" @@ -889,6 +875,7 @@ int main(int argc, char *argv[]) { int r, retval = EXIT_FAILURE; FDSet *fds = NULL; bool reexecute = false; + const char *shutdown_verb = NULL; if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { /* This is compatbility support for SysV, where @@ -972,6 +959,13 @@ int main(int argc, char *argv[]) { "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", arg_running_as == MANAGER_SYSTEM); + /* Unset some environment variables passed in from the kernel + * that don't really make sense for us. */ + if (arg_running_as == MANAGER_SYSTEM) { + unsetenv("HOME"); + unsetenv("TERM"); + } + /* Move out of the way, so that we won't block unmounts */ assert_se(chdir("/") == 0); @@ -1127,6 +1121,23 @@ int main(int argc, char *argv[]) { log_notice("Reexecuting."); goto finish; + case MANAGER_REBOOT: + case MANAGER_POWEROFF: + case MANAGER_HALT: + case MANAGER_KEXEC: { + static const char * const table[_MANAGER_EXIT_CODE_MAX] = { + [MANAGER_REBOOT] = "reboot", + [MANAGER_POWEROFF] = "poweroff", + [MANAGER_HALT] = "halt", + [MANAGER_KEXEC] = "kexec" + }; + + assert_se(shutdown_verb = table[m->exit_code]); + + log_notice("Shutting down."); + goto finish; + } + default: assert_not_reached("Unknown exit code."); } @@ -1206,6 +1217,17 @@ finish: if (fds) fdset_free(fds); + if (shutdown_verb) { + const char * command_line[] = { + SYSTEMD_SHUTDOWN_BINARY_PATH, + shutdown_verb, + NULL + }; + + execv(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line); + log_error("Failed to execute shutdown binary, freezing: %m"); + } + if (getpid() == 1) freeze();