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663996b3 MS |
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" | |
28 | #include "mkdir.h" | |
29 | ||
30 | static const char *arg_dest = "/tmp"; | |
31 | ||
32 | int main(int argc, char *argv[]) { | |
33 | int r = EXIT_SUCCESS; | |
34 | sd_id128_t id; | |
35 | _cleanup_free_ char *name = NULL; | |
36 | _cleanup_fclose_ FILE *f = NULL; | |
37 | ||
38 | if (argc > 1 && argc != 4) { | |
39 | log_error("This program takes three or no arguments."); | |
40 | return EXIT_FAILURE; | |
41 | } | |
42 | ||
43 | if (argc > 1) | |
44 | arg_dest = argv[3]; | |
45 | ||
46 | log_set_target(LOG_TARGET_SAFE); | |
47 | log_parse_environment(); | |
48 | log_open(); | |
49 | ||
50 | umask(0022); | |
51 | ||
52 | if (!is_efi_boot()) | |
53 | return EXIT_SUCCESS; | |
54 | ||
55 | if (dir_is_empty("/boot") <= 0) | |
56 | return EXIT_SUCCESS; | |
57 | ||
14228c0d | 58 | r = efi_loader_get_device_part_uuid(&id); |
663996b3 MS |
59 | if (r == -ENOENT) |
60 | return EXIT_SUCCESS; | |
61 | if (r < 0) { | |
62 | log_error("Failed to read ESP partition UUID: %s", strerror(-r)); | |
63 | return EXIT_FAILURE; | |
64 | } | |
65 | ||
66 | name = strjoin(arg_dest, "/boot.mount", NULL); | |
67 | if (!name) { | |
68 | log_oom(); | |
69 | return EXIT_FAILURE; | |
70 | } | |
71 | ||
72 | f = fopen(name, "wxe"); | |
73 | if (!f) { | |
74 | log_error("Failed to create mount unit file %s: %m", name); | |
75 | return EXIT_FAILURE; | |
76 | } | |
77 | ||
78 | fprintf(f, | |
79 | "# Automatially generated by systemd-efi-boot-generator\n\n" | |
80 | "[Unit]\n" | |
81 | "Description=EFI System Partition\n\n" | |
82 | "[Mount]\n" | |
83 | "Where=/boot\n" | |
84 | "What=/dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n" | |
85 | "Options=umask=0077\n", | |
86 | SD_ID128_FORMAT_VAL(id)); | |
87 | ||
88 | free(name); | |
89 | name = strjoin(arg_dest, "/boot.automount", NULL); | |
90 | if (!name) { | |
91 | log_oom(); | |
92 | return EXIT_FAILURE; | |
93 | } | |
94 | ||
95 | fclose(f); | |
96 | f = fopen(name, "wxe"); | |
97 | if (!f) { | |
98 | log_error("Failed to create automount unit file %s: %m", name); | |
99 | return EXIT_FAILURE; | |
100 | } | |
101 | ||
102 | fputs("# Automatially generated by systemd-efi-boot-generator\n\n" | |
103 | "[Unit]\n" | |
104 | "Description=EFI System Partition Automount\n\n" | |
105 | "[Automount]\n" | |
106 | "Where=/boot\n", f); | |
107 | ||
108 | free(name); | |
109 | name = strjoin(arg_dest, "/local-fs.target.wants/boot.automount", NULL); | |
110 | if (!name) { | |
111 | log_oom(); | |
112 | return EXIT_FAILURE; | |
113 | } | |
114 | ||
115 | mkdir_parents(name, 0755); | |
116 | ||
117 | if (symlink("../boot.automount", name) < 0) { | |
118 | log_error("Failed to create symlink %s: %m", name); | |
119 | return EXIT_FAILURE; | |
120 | } | |
121 | ||
122 | return 0; | |
123 | } |