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
|
/*
* rc-depend
* rc service dependency and ordering
*/
/*
* Copyright (c) 2007-2015 The OpenRC Authors.
* See the Authors file at the top-level directory of this distribution and
* https://github.com/OpenRC/openrc/blob/master/AUTHORS
*
* This file is part of OpenRC. It is subject to the license terms in
* the LICENSE file found in the top-level directory of this
* distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
* This file may not be copied, modified, propagated, or distributed
* except according to the terms contained in the LICENSE file.
*/
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <utime.h>
#include "einfo.h"
#include "queue.h"
#include "rc.h"
#include "rc-misc.h"
#include "_usage.h"
const char *applet = NULL;
const char *extraopts = NULL;
const char getoptstring[] = "aot:suTF:" getoptstring_COMMON;
const struct option longopts[] = {
{ "starting", 0, NULL, 'a'},
{ "stopping", 0, NULL, 'o'},
{ "type", 1, NULL, 't'},
{ "notrace", 0, NULL, 'T'},
{ "strict", 0, NULL, 's'},
{ "update", 0, NULL, 'u'},
{ "deptree-file", 1, NULL, 'F'},
longopts_COMMON
};
const char * const longopts_help[] = {
"Order services as if runlevel is starting",
"Order services as if runlevel is stopping",
"Type(s) of dependency to list",
"Don't trace service dependencies",
"Only use what is in the runlevels",
"Force an update of the dependency tree",
"File to load cached deptree from",
longopts_help_COMMON
};
const char *usagestring = NULL;
int main(int argc, char **argv)
{
RC_STRINGLIST *list;
RC_STRINGLIST *types;
RC_STRINGLIST *services;
RC_STRINGLIST *depends;
RC_STRING *s;
RC_DEPTREE *deptree = NULL;
int options = RC_DEP_TRACE, update = 0;
bool first = true;
char *runlevel = xstrdup(getenv("RC_RUNLEVEL"));
int opt;
char *token;
char *deptree_file = NULL;
applet = basename_c(argv[0]);
types = rc_stringlist_new();
while ((opt = getopt_long(argc, argv, getoptstring,
longopts, (int *) 0)) != -1)
{
switch (opt) {
case 'a':
options |= RC_DEP_START;
break;
case 'o':
options |= RC_DEP_STOP;
break;
case 's':
options |= RC_DEP_STRICT;
break;
case 't':
while ((token = strsep(&optarg, ",")))
rc_stringlist_add(types, token);
break;
case 'u':
update = 1;
break;
case 'T':
options &= RC_DEP_TRACE;
break;
case 'F':
deptree_file = xstrdup(optarg);
break;
case_RC_COMMON_GETOPT
}
}
if (deptree_file) {
if (!(deptree = rc_deptree_load_file(deptree_file)))
eerrorx("failed to load deptree");
} else {
if (!(deptree = _rc_deptree_load(update, NULL)))
eerrorx("failed to load deptree");
}
if (!runlevel)
runlevel = rc_runlevel_get();
services = rc_stringlist_new();
while (optind < argc) {
list = rc_stringlist_new();
rc_stringlist_add(list, argv[optind]);
errno = 0;
depends = rc_deptree_depends(deptree, NULL, list, runlevel, 0);
if (!depends && errno == ENOENT)
eerror("no dependency info for service `%s'",
argv[optind]);
else
rc_stringlist_add(services, argv[optind]);
rc_stringlist_free(depends);
rc_stringlist_free(list);
optind++;
}
if (!TAILQ_FIRST(services)) {
rc_stringlist_free(services);
rc_stringlist_free(types);
rc_deptree_free(deptree);
free(runlevel);
if (update)
return EXIT_SUCCESS;
eerrorx("no services specified");
}
/* If we don't have any types, then supply some defaults */
if (!TAILQ_FIRST(types)) {
rc_stringlist_add(types, "ineed");
rc_stringlist_add(types, "iuse");
}
depends = rc_deptree_depends(deptree, types, services,
runlevel, options);
if (TAILQ_FIRST(depends)) {
TAILQ_FOREACH(s, depends, entries) {
if (first)
first = false;
else
printf (" ");
printf ("%s", s->value);
}
printf ("\n");
}
rc_stringlist_free(types);
rc_stringlist_free(services);
rc_stringlist_free(depends);
rc_deptree_free(deptree);
free(runlevel);
return EXIT_SUCCESS;
}
|
