1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <signal.h>
#include <stdlib.h>
#include <sysexits.h>
#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…244 │ systemd's private error codes (might be extended to 254 in future development)
* 245…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_BPF] = { "BPF", EXIT_STATUS_SYSTEMD },
[EXIT_KSM] = { "KSM", 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;
}
|
