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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
/* SPDX-License-Identifier: LGPL-2.1+ */
/***
Copyright 2010 Lennart Poettering
***/
#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;
}
|
