288 lines
8.2 KiB
C
288 lines
8.2 KiB
C
/* 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 │ 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.)
|
|
*/
|
|
|
|
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";
|
|
|
|
case EXIT_NUMA_POLICY:
|
|
return "NUMA_POLICY";
|
|
|
|
case EXIT_EXCEPTION:
|
|
return "EXCEPTION";
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|