/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include #include #include "exit-status.h" #include "macro.h" #include "parse-util.h" #include "set.h" #include "string-util.h" const ExitStatusMapping exit_status_mappings[256] = { /* Exit status ranges: * * 0…1 │ ISO C, EXIT_SUCCESS + EXIT_FAILURE * 2…7 │ LSB exit codes for init scripts * 8…63 │ (Currently unmapped) * 64…78 │ BSD defined exit codes * 79…199 │ (Currently unmapped) * 200…243 │ systemd's private error codes (might be extended to 254 in future development) * 244…254 │ (Currently unmapped, but see above) * * 255 │ EXIT_EXCEPTION (We use this to propagate exit-by-signal events. It's frequently used by others apps (like bash) * │ to indicate exit reason that cannot really be expressed in a single exit status value — such as a propagated * │ signal or such, and we follow that logic here.) */ [EXIT_SUCCESS] = { "SUCCESS", EXIT_STATUS_LIBC }, [EXIT_FAILURE] = { "FAILURE", EXIT_STATUS_LIBC }, [EXIT_CHDIR] = { "CHDIR", EXIT_STATUS_SYSTEMD }, [EXIT_NICE] = { "NICE", EXIT_STATUS_SYSTEMD }, [EXIT_FDS] = { "FDS", EXIT_STATUS_SYSTEMD }, [EXIT_EXEC] = { "EXEC", EXIT_STATUS_SYSTEMD }, [EXIT_MEMORY] = { "MEMORY", EXIT_STATUS_SYSTEMD }, [EXIT_LIMITS] = { "LIMITS", EXIT_STATUS_SYSTEMD }, [EXIT_OOM_ADJUST] = { "OOM_ADJUST", EXIT_STATUS_SYSTEMD }, [EXIT_SIGNAL_MASK] = { "SIGNAL_MASK", EXIT_STATUS_SYSTEMD }, [EXIT_STDIN] = { "STDIN", EXIT_STATUS_SYSTEMD }, [EXIT_STDOUT] = { "STDOUT", EXIT_STATUS_SYSTEMD }, [EXIT_CHROOT] = { "CHROOT", EXIT_STATUS_SYSTEMD }, [EXIT_IOPRIO] = { "IOPRIO", EXIT_STATUS_SYSTEMD }, [EXIT_TIMERSLACK] = { "TIMERSLACK", EXIT_STATUS_SYSTEMD }, [EXIT_SECUREBITS] = { "SECUREBITS", EXIT_STATUS_SYSTEMD }, [EXIT_SETSCHEDULER] = { "SETSCHEDULER", EXIT_STATUS_SYSTEMD }, [EXIT_CPUAFFINITY] = { "CPUAFFINITY", EXIT_STATUS_SYSTEMD }, [EXIT_GROUP] = { "GROUP", EXIT_STATUS_SYSTEMD }, [EXIT_USER] = { "USER", EXIT_STATUS_SYSTEMD }, [EXIT_CAPABILITIES] = { "CAPABILITIES", EXIT_STATUS_SYSTEMD }, [EXIT_CGROUP] = { "CGROUP", EXIT_STATUS_SYSTEMD }, [EXIT_SETSID] = { "SETSID", EXIT_STATUS_SYSTEMD }, [EXIT_CONFIRM] = { "CONFIRM", EXIT_STATUS_SYSTEMD }, [EXIT_STDERR] = { "STDERR", EXIT_STATUS_SYSTEMD }, [EXIT_PAM] = { "PAM", EXIT_STATUS_SYSTEMD }, [EXIT_NETWORK] = { "NETWORK", EXIT_STATUS_SYSTEMD }, [EXIT_NAMESPACE] = { "NAMESPACE", EXIT_STATUS_SYSTEMD }, [EXIT_NO_NEW_PRIVILEGES] = { "NO_NEW_PRIVILEGES", EXIT_STATUS_SYSTEMD }, [EXIT_SECCOMP] = { "SECCOMP", EXIT_STATUS_SYSTEMD }, [EXIT_SELINUX_CONTEXT] = { "SELINUX_CONTEXT", EXIT_STATUS_SYSTEMD }, [EXIT_PERSONALITY] = { "PERSONALITY", EXIT_STATUS_SYSTEMD }, [EXIT_APPARMOR_PROFILE] = { "APPARMOR", EXIT_STATUS_SYSTEMD }, [EXIT_ADDRESS_FAMILIES] = { "ADDRESS_FAMILIES", EXIT_STATUS_SYSTEMD }, [EXIT_RUNTIME_DIRECTORY] = { "RUNTIME_DIRECTORY", EXIT_STATUS_SYSTEMD }, [EXIT_CHOWN] = { "CHOWN", EXIT_STATUS_SYSTEMD }, [EXIT_SMACK_PROCESS_LABEL] = { "SMACK_PROCESS_LABEL", EXIT_STATUS_SYSTEMD }, [EXIT_KEYRING] = { "KEYRING", EXIT_STATUS_SYSTEMD }, [EXIT_STATE_DIRECTORY] = { "STATE_DIRECTORY", EXIT_STATUS_SYSTEMD }, [EXIT_CACHE_DIRECTORY] = { "CACHE_DIRECTORY", EXIT_STATUS_SYSTEMD }, [EXIT_LOGS_DIRECTORY] = { "LOGS_DIRECTORY", EXIT_STATUS_SYSTEMD }, [EXIT_CONFIGURATION_DIRECTORY] = { "CONFIGURATION_DIRECTORY", EXIT_STATUS_SYSTEMD }, [EXIT_NUMA_POLICY] = { "NUMA_POLICY", EXIT_STATUS_SYSTEMD }, [EXIT_CREDENTIALS] = { "CREDENTIALS", EXIT_STATUS_SYSTEMD }, [EXIT_EXCEPTION] = { "EXCEPTION", EXIT_STATUS_SYSTEMD }, [EXIT_INVALIDARGUMENT] = { "INVALIDARGUMENT", EXIT_STATUS_LSB }, [EXIT_NOTIMPLEMENTED] = { "NOTIMPLEMENTED", EXIT_STATUS_LSB }, [EXIT_NOPERMISSION] = { "NOPERMISSION", EXIT_STATUS_LSB }, [EXIT_NOTINSTALLED] = { "NOTINSTALLED", EXIT_STATUS_LSB }, [EXIT_NOTCONFIGURED] = { "NOTCONFIGURED", EXIT_STATUS_LSB }, [EXIT_NOTRUNNING] = { "NOTRUNNING", EXIT_STATUS_LSB }, [EX_USAGE] = { "USAGE", EXIT_STATUS_BSD }, [EX_DATAERR] = { "DATAERR", EXIT_STATUS_BSD }, [EX_NOINPUT] = { "NOINPUT", EXIT_STATUS_BSD }, [EX_NOUSER] = { "NOUSER", EXIT_STATUS_BSD }, [EX_NOHOST] = { "NOHOST", EXIT_STATUS_BSD }, [EX_UNAVAILABLE] = { "UNAVAILABLE", EXIT_STATUS_BSD }, [EX_SOFTWARE] = { "SOFTWARE", EXIT_STATUS_BSD }, [EX_OSERR] = { "OSERR", EXIT_STATUS_BSD }, [EX_OSFILE] = { "OSFILE", EXIT_STATUS_BSD }, [EX_CANTCREAT] = { "CANTCREAT", EXIT_STATUS_BSD }, [EX_IOERR] = { "IOERR", EXIT_STATUS_BSD }, [EX_TEMPFAIL] = { "TEMPFAIL", EXIT_STATUS_BSD }, [EX_PROTOCOL] = { "PROTOCOL", EXIT_STATUS_BSD }, [EX_NOPERM] = { "NOPERM", EXIT_STATUS_BSD }, [EX_CONFIG] = { "CONFIG", EXIT_STATUS_BSD }, }; const char* exit_status_to_string(int code, ExitStatusClass class) { if (code < 0 || (size_t) code >= ELEMENTSOF(exit_status_mappings)) return NULL; return class & exit_status_mappings[code].class ? exit_status_mappings[code].name : NULL; } const char* exit_status_class(int code) { if (code < 0 || (size_t) code >= ELEMENTSOF(exit_status_mappings)) return NULL; switch (exit_status_mappings[code].class) { case EXIT_STATUS_LIBC: return "libc"; case EXIT_STATUS_SYSTEMD: return "systemd"; case EXIT_STATUS_LSB: return "LSB"; case EXIT_STATUS_BSD: return "BSD"; default: return NULL; } } int exit_status_from_string(const char *s) { uint8_t val; int r; for (size_t i = 0; i < ELEMENTSOF(exit_status_mappings); i++) if (streq_ptr(s, exit_status_mappings[i].name)) return i; r = safe_atou8(s, &val); if (r < 0) return r; return val; } bool is_clean_exit(int code, int status, ExitClean clean, const ExitStatusSet *success_status) { if (code == CLD_EXITED) return status == 0 || (success_status && bitmap_isset(&success_status->status, status)); /* If a daemon does not implement handlers for some of the signals, we do not consider this an unclean shutdown */ if (code == CLD_KILLED) return (clean == EXIT_CLEAN_DAEMON && IN_SET(status, SIGHUP, SIGINT, SIGTERM, SIGPIPE)) || (success_status && bitmap_isset(&success_status->signal, status)); return false; } void exit_status_set_free(ExitStatusSet *x) { assert(x); bitmap_clear(&x->status); bitmap_clear(&x->signal); } bool exit_status_set_is_empty(const ExitStatusSet *x) { if (!x) return true; return bitmap_isclear(&x->status) && bitmap_isclear(&x->signal); } bool exit_status_set_test(const ExitStatusSet *x, int code, int status) { if (code == CLD_EXITED && bitmap_isset(&x->status, status)) return true; if (IN_SET(code, CLD_KILLED, CLD_DUMPED) && bitmap_isset(&x->signal, status)) return true; return false; }