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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
f63c4aab | 2 | /*** |
96b2fb93 | 3 | Copyright © 2017 Zbigniew Jędrzejewski-Szmek |
f63c4aab ZJS |
4 | ***/ |
5 | ||
6 | #include "sd-path.h" | |
7 | ||
8 | #include "conf-files.h" | |
9 | #include "def.h" | |
10 | #include "escape.h" | |
11 | #include "fileio.h" | |
12 | #include "log.h" | |
13 | #include "path-lookup.h" | |
14 | ||
15 | static int environment_dirs(char ***ret) { | |
16 | _cleanup_strv_free_ char **dirs = NULL; | |
17 | _cleanup_free_ char *c = NULL; | |
18 | int r; | |
19 | ||
20 | dirs = strv_split_nulstr(CONF_PATHS_NULSTR("environment.d")); | |
21 | if (!dirs) | |
22 | return -ENOMEM; | |
23 | ||
24 | /* ~/.config/systemd/environment.d */ | |
25 | r = sd_path_home(SD_PATH_USER_CONFIGURATION, "environment.d", &c); | |
26 | if (r < 0) | |
27 | return r; | |
28 | ||
29 | r = strv_extend_front(&dirs, c); | |
30 | if (r < 0) | |
31 | return r; | |
32 | ||
ae2a15bc | 33 | *ret = TAKE_PTR(dirs); |
f63c4aab ZJS |
34 | return 0; |
35 | } | |
36 | ||
37 | static int load_and_print(void) { | |
38 | _cleanup_strv_free_ char **dirs = NULL, **files = NULL, **env = NULL; | |
39 | char **i; | |
40 | int r; | |
41 | ||
42 | r = environment_dirs(&dirs); | |
43 | if (r < 0) | |
44 | return r; | |
45 | ||
b5084605 | 46 | r = conf_files_list_strv(&files, ".conf", NULL, 0, (const char **) dirs); |
f63c4aab ZJS |
47 | if (r < 0) |
48 | return r; | |
49 | ||
50 | /* This will mutate the existing environment, based on the presumption | |
51 | * that in case of failure, a partial update is better than none. */ | |
52 | ||
53 | STRV_FOREACH(i, files) { | |
54 | r = merge_env_file(&env, NULL, *i); | |
55 | if (r == -ENOMEM) | |
56 | return r; | |
57 | } | |
58 | ||
59 | STRV_FOREACH(i, env) { | |
60 | char *t; | |
61 | _cleanup_free_ char *q = NULL; | |
62 | ||
63 | t = strchr(*i, '='); | |
64 | assert(t); | |
65 | ||
804ee07c | 66 | q = shell_maybe_quote(t + 1, ESCAPE_BACKSLASH); |
f63c4aab ZJS |
67 | if (!q) |
68 | return log_oom(); | |
69 | ||
70 | printf("%.*s=%s\n", (int) (t - *i), *i, q); | |
71 | } | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | int main(int argc, char *argv[]) { | |
77 | int r; | |
78 | ||
79 | log_parse_environment(); | |
80 | log_open(); | |
81 | ||
82 | if (argc > 1) { | |
83 | log_error("This program takes no arguments."); | |
84 | return EXIT_FAILURE; | |
85 | } | |
86 | ||
87 | r = load_and_print(); | |
88 | if (r < 0) | |
89 | log_error_errno(r, "Failed to load environment.d: %m"); | |
90 | ||
91 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
92 | } |