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Commit | Line | Data |
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5cb5a6ff LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
0301abf4 LP |
3 | #include <dirent.h> |
4 | #include <errno.h> | |
5 | ||
6 | #include "unit.h" | |
5cb5a6ff | 7 | #include "load-dropin.h" |
b952f2e1 | 8 | #include "log.h" |
5cb5a6ff | 9 | |
87f0e418 | 10 | int unit_load_dropin(Unit *u) { |
0301abf4 LP |
11 | Iterator i; |
12 | int r; | |
13 | char *t; | |
14 | ||
87f0e418 | 15 | assert(u); |
5cb5a6ff LP |
16 | |
17 | /* Load dependencies from supplementary drop-in directories */ | |
18 | ||
0301abf4 LP |
19 | SET_FOREACH(t, u->meta.names, i) { |
20 | char *path; | |
21 | DIR *d; | |
22 | struct dirent *de; | |
23 | ||
24 | if (asprintf(&path, "%s/%s.wants", unit_path(), t) < 0) | |
25 | return -ENOMEM; | |
26 | ||
27 | if (!(d = opendir(path))) { | |
28 | r = -errno; | |
29 | free(path); | |
30 | ||
31 | if (r == -ENOENT) | |
32 | continue; | |
33 | ||
34 | return r; | |
35 | } | |
36 | ||
37 | free(path); | |
38 | ||
39 | while ((de = readdir(d))) { | |
40 | Unit *other; | |
41 | ||
42 | if (de->d_name[0] == '.') | |
43 | continue; | |
44 | ||
45 | assert(de->d_name[0]); | |
46 | ||
47 | if (de->d_name[strlen(de->d_name)-1] == '~') | |
48 | continue; | |
49 | ||
50 | if (asprintf(&path, "%s/%s.wants/%s", unit_path(), t, de->d_name) < 0) { | |
51 | closedir(d); | |
52 | return -ENOMEM; | |
53 | } | |
54 | ||
b952f2e1 LP |
55 | if (!unit_name_is_valid(de->d_name)) { |
56 | log_info("Name of %s is not a valid unit name. Ignoring.", path); | |
57 | free(path); | |
58 | continue; | |
59 | } | |
60 | ||
0301abf4 LP |
61 | r = manager_load_unit(u->meta.manager, path, &other); |
62 | free(path); | |
63 | ||
64 | if (r < 0) { | |
65 | closedir(d); | |
66 | return r; | |
67 | } | |
68 | ||
69 | if ((r = unit_add_dependency(u, UNIT_WANTS, other)) < 0) { | |
70 | closedir(d); | |
71 | return r; | |
72 | } | |
73 | } | |
74 | ||
75 | closedir(d); | |
76 | } | |
77 | ||
5cb5a6ff LP |
78 | return 0; |
79 | } |