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f4ce2b3e LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <unistd.h> | |
23 | #include <stdlib.h> | |
24 | ||
25 | #include "efivars.h" | |
26 | #include "path-util.h" | |
27 | #include "util.h" | |
1da350f1 | 28 | #include "mkdir.h" |
d09ee17d | 29 | #include "unit-name.h" |
f4ce2b3e | 30 | |
1da350f1 | 31 | static const char *arg_dest = "/tmp"; |
f4ce2b3e LP |
32 | |
33 | int main(int argc, char *argv[]) { | |
34 | int r = EXIT_SUCCESS; | |
35 | sd_id128_t id; | |
97123e53 ZJS |
36 | _cleanup_free_ char *what = NULL, *fsck = NULL; |
37 | char *name; | |
38 | _cleanup_fclose_ FILE *f = NULL, *f2 = NULL; | |
f4ce2b3e LP |
39 | |
40 | if (argc > 1 && argc != 4) { | |
41 | log_error("This program takes three or no arguments."); | |
42 | return EXIT_FAILURE; | |
43 | } | |
44 | ||
45 | if (argc > 1) | |
46 | arg_dest = argv[3]; | |
47 | ||
48 | log_set_target(LOG_TARGET_SAFE); | |
49 | log_parse_environment(); | |
50 | log_open(); | |
51 | ||
52 | umask(0022); | |
53 | ||
9cde64ff | 54 | if (!is_efi_boot()) |
f4ce2b3e LP |
55 | return EXIT_SUCCESS; |
56 | ||
57 | if (dir_is_empty("/boot") <= 0) | |
58 | return EXIT_SUCCESS; | |
59 | ||
c51d84dc | 60 | r = efi_loader_get_device_part_uuid(&id); |
f4ce2b3e LP |
61 | if (r == -ENOENT) |
62 | return EXIT_SUCCESS; | |
63 | if (r < 0) { | |
64 | log_error("Failed to read ESP partition UUID: %s", strerror(-r)); | |
65 | return EXIT_FAILURE; | |
66 | } | |
67 | ||
97123e53 | 68 | name = strappenda(arg_dest, "/boot.mount"); |
f4ce2b3e LP |
69 | f = fopen(name, "wxe"); |
70 | if (!f) { | |
71 | log_error("Failed to create mount unit file %s: %m", name); | |
72 | return EXIT_FAILURE; | |
73 | } | |
74 | ||
d09ee17d TG |
75 | r = asprintf(&what, |
76 | "/dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", | |
77 | SD_ID128_FORMAT_VAL(id)); | |
78 | if (r < 0) { | |
79 | log_oom(); | |
80 | return EXIT_FAILURE; | |
81 | } | |
82 | ||
83 | fsck = unit_name_from_path_instance("systemd-fsck", what, ".service"); | |
84 | if (!fsck) { | |
85 | log_oom(); | |
86 | return EXIT_FAILURE; | |
87 | } | |
88 | ||
f4ce2b3e LP |
89 | fprintf(f, |
90 | "# Automatially generated by systemd-efi-boot-generator\n\n" | |
4beaf24f | 91 | "[Unit]\n" |
d09ee17d TG |
92 | "Description=EFI System Partition\n" |
93 | "Requires=%s\n" | |
94 | "After=%s\n" | |
95 | "\n" | |
f4ce2b3e LP |
96 | "[Mount]\n" |
97 | "Where=/boot\n" | |
d09ee17d | 98 | "What=%s\n" |
0b9e3f2c | 99 | "Options=umask=0077,noauto\n", |
d09ee17d | 100 | fsck, fsck, what); |
f4ce2b3e | 101 | |
97123e53 ZJS |
102 | name = strappenda(arg_dest, "/boot.automount"); |
103 | f2 = fopen(name, "wxe"); | |
104 | if (!f2) { | |
f4ce2b3e LP |
105 | log_error("Failed to create automount unit file %s: %m", name); |
106 | return EXIT_FAILURE; | |
107 | } | |
108 | ||
4beaf24f LP |
109 | fputs("# Automatially generated by systemd-efi-boot-generator\n\n" |
110 | "[Unit]\n" | |
111 | "Description=EFI System Partition Automount\n\n" | |
112 | "[Automount]\n" | |
97123e53 | 113 | "Where=/boot\n", f2); |
f4ce2b3e | 114 | |
97123e53 | 115 | name = strappenda(arg_dest, "/local-fs.target.wants/boot.automount"); |
1da350f1 LP |
116 | mkdir_parents(name, 0755); |
117 | ||
f4ce2b3e | 118 | if (symlink("../boot.automount", name) < 0) { |
c79bb9e4 | 119 | log_error("Failed to create symlink %s: %m", name); |
f4ce2b3e LP |
120 | return EXIT_FAILURE; |
121 | } | |
122 | ||
97123e53 | 123 | return EXIT_SUCCESS; |
f4ce2b3e | 124 | } |