| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #include <signal.h> |
| #include <stdlib.h> |
| #include <sysexits.h> |
| |
| #include "exit-status.h" |
| #include "macro.h" |
| #include "set.h" |
| |
| const char* exit_status_to_string(int status, ExitStatusLevel level) { |
| |
| /* 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…241 │ systemd's private error codes (might be extended to 254 in future development) |
| * 242…254 │ (Currently unmapped, but see above) |
| * 255 │ (We should probably stay away from that one, it's frequently used by applications to indicate an |
| * │ exit reason that cannot really be expressed in a single exit status value — such as a propagated |
| * │ signal or such) |
| */ |
| |
| switch (status) { /* We always cover the ISO C ones */ |
| |
| case EXIT_SUCCESS: |
| return "SUCCESS"; |
| |
| case EXIT_FAILURE: |
| return "FAILURE"; |
| } |
| |
| if (IN_SET(level, EXIT_STATUS_SYSTEMD, EXIT_STATUS_LSB, EXIT_STATUS_FULL)) { |
| switch (status) { /* Optionally we cover our own ones */ |
| |
| case EXIT_CHDIR: |
| return "CHDIR"; |
| |
| case EXIT_NICE: |
| return "NICE"; |
| |
| case EXIT_FDS: |
| return "FDS"; |
| |
| case EXIT_EXEC: |
| return "EXEC"; |
| |
| case EXIT_MEMORY: |
| return "MEMORY"; |
| |
| case EXIT_LIMITS: |
| return "LIMITS"; |
| |
| case EXIT_OOM_ADJUST: |
| return "OOM_ADJUST"; |
| |
| case EXIT_SIGNAL_MASK: |
| return "SIGNAL_MASK"; |
| |
| case EXIT_STDIN: |
| return "STDIN"; |
| |
| case EXIT_STDOUT: |
| return "STDOUT"; |
| |
| case EXIT_CHROOT: |
| return "CHROOT"; |
| |
| case EXIT_IOPRIO: |
| return "IOPRIO"; |
| |
| case EXIT_TIMERSLACK: |
| return "TIMERSLACK"; |
| |
| case EXIT_SECUREBITS: |
| return "SECUREBITS"; |
| |
| case EXIT_SETSCHEDULER: |
| return "SETSCHEDULER"; |
| |
| case EXIT_CPUAFFINITY: |
| return "CPUAFFINITY"; |
| |
| case EXIT_GROUP: |
| return "GROUP"; |
| |
| case EXIT_USER: |
| return "USER"; |
| |
| case EXIT_CAPABILITIES: |
| return "CAPABILITIES"; |
| |
| case EXIT_CGROUP: |
| return "CGROUP"; |
| |
| case EXIT_SETSID: |
| return "SETSID"; |
| |
| case EXIT_CONFIRM: |
| return "CONFIRM"; |
| |
| case EXIT_STDERR: |
| return "STDERR"; |
| |
| case EXIT_PAM: |
| return "PAM"; |
| |
| case EXIT_NETWORK: |
| return "NETWORK"; |
| |
| case EXIT_NAMESPACE: |
| return "NAMESPACE"; |
| |
| case EXIT_NO_NEW_PRIVILEGES: |
| return "NO_NEW_PRIVILEGES"; |
| |
| case EXIT_SECCOMP: |
| return "SECCOMP"; |
| |
| case EXIT_SELINUX_CONTEXT: |
| return "SELINUX_CONTEXT"; |
| |
| case EXIT_PERSONALITY: |
| return "PERSONALITY"; |
| |
| case EXIT_APPARMOR_PROFILE: |
| return "APPARMOR"; |
| |
| case EXIT_ADDRESS_FAMILIES: |
| return "ADDRESS_FAMILIES"; |
| |
| case EXIT_RUNTIME_DIRECTORY: |
| return "RUNTIME_DIRECTORY"; |
| |
| case EXIT_CHOWN: |
| return "CHOWN"; |
| |
| case EXIT_SMACK_PROCESS_LABEL: |
| return "SMACK_PROCESS_LABEL"; |
| |
| case EXIT_KEYRING: |
| return "KEYRING"; |
| |
| case EXIT_STATE_DIRECTORY: |
| return "STATE_DIRECTORY"; |
| |
| case EXIT_CACHE_DIRECTORY: |
| return "CACHE_DIRECTORY"; |
| |
| case EXIT_LOGS_DIRECTORY: |
| return "LOGS_DIRECTORY"; |
| |
| case EXIT_CONFIGURATION_DIRECTORY: |
| return "CONFIGURATION_DIRECTORY"; |
| } |
| } |
| |
| if (IN_SET(level, EXIT_STATUS_LSB, EXIT_STATUS_FULL)) { |
| switch (status) { /* Optionally we support LSB ones */ |
| |
| case EXIT_INVALIDARGUMENT: |
| return "INVALIDARGUMENT"; |
| |
| case EXIT_NOTIMPLEMENTED: |
| return "NOTIMPLEMENTED"; |
| |
| case EXIT_NOPERMISSION: |
| return "NOPERMISSION"; |
| |
| case EXIT_NOTINSTALLED: |
| return "NOTINSTALLED"; |
| |
| case EXIT_NOTCONFIGURED: |
| return "NOTCONFIGURED"; |
| |
| case EXIT_NOTRUNNING: |
| return "NOTRUNNING"; |
| } |
| } |
| |
| if (level == EXIT_STATUS_FULL) { |
| switch (status) { /* Optionally, we support BSD exit statusses */ |
| |
| case EX_USAGE: |
| return "USAGE"; |
| |
| case EX_DATAERR: |
| return "DATAERR"; |
| |
| case EX_NOINPUT: |
| return "NOINPUT"; |
| |
| case EX_NOUSER: |
| return "NOUSER"; |
| |
| case EX_NOHOST: |
| return "NOHOST"; |
| |
| case EX_UNAVAILABLE: |
| return "UNAVAILABLE"; |
| |
| case EX_SOFTWARE: |
| return "SOFTWARE"; |
| |
| case EX_OSERR: |
| return "OSERR"; |
| |
| case EX_OSFILE: |
| return "OSFILE"; |
| |
| case EX_CANTCREAT: |
| return "CANTCREAT"; |
| |
| case EX_IOERR: |
| return "IOERR"; |
| |
| case EX_TEMPFAIL: |
| return "TEMPFAIL"; |
| |
| case EX_PROTOCOL: |
| return "PROTOCOL"; |
| |
| case EX_NOPERM: |
| return "NOPERM"; |
| |
| case EX_CONFIG: |
| return "CONFIG"; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| bool is_clean_exit(int code, int status, ExitClean clean, ExitStatusSet *success_status) { |
| |
| if (code == CLD_EXITED) |
| return status == 0 || |
| (success_status && |
| set_contains(success_status->status, INT_TO_PTR(status))); |
| |
| /* If a daemon does not implement handlers for some of the signals that's not considered an unclean shutdown */ |
| if (code == CLD_KILLED) |
| return |
| (clean == EXIT_CLEAN_DAEMON && IN_SET(status, SIGHUP, SIGINT, SIGTERM, SIGPIPE)) || |
| (success_status && |
| set_contains(success_status->signal, INT_TO_PTR(status))); |
| |
| return false; |
| } |
| |
| void exit_status_set_free(ExitStatusSet *x) { |
| assert(x); |
| |
| x->status = set_free(x->status); |
| x->signal = set_free(x->signal); |
| } |
| |
| bool exit_status_set_is_empty(ExitStatusSet *x) { |
| if (!x) |
| return true; |
| |
| return set_isempty(x->status) && set_isempty(x->signal); |
| } |
| |
| bool exit_status_set_test(ExitStatusSet *x, int code, int status) { |
| |
| if (exit_status_set_is_empty(x)) |
| return false; |
| |
| if (code == CLD_EXITED && set_contains(x->status, INT_TO_PTR(status))) |
| return true; |
| |
| if (IN_SET(code, CLD_KILLED, CLD_DUMPED) && set_contains(x->signal, INT_TO_PTR(status))) |
| return true; |
| |
| return false; |
| } |