File: | build-scan/../src/machine-id-setup/machine-id-setup-main.c |
Warning: | line 111, column 34 Null pointer passed to 1st parameter expecting 'nonnull' |
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1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |||
2 | ||||
3 | #include <errno(*__errno_location ()).h> | |||
4 | #include <getopt.h> | |||
5 | #include <stdio.h> | |||
6 | #include <stdlib.h> | |||
7 | ||||
8 | #include "id128-util.h" | |||
9 | #include "log.h" | |||
10 | #include "machine-id-setup.h" | |||
11 | #include "path-util.h" | |||
12 | #include "util.h" | |||
13 | ||||
14 | static char *arg_root = NULL((void*)0); | |||
15 | static bool_Bool arg_commit = false0; | |||
16 | static bool_Bool arg_print = false0; | |||
17 | ||||
18 | static void help(void) { | |||
19 | printf("%s [OPTIONS...]\n\n" | |||
20 | "Initialize /etc/machine-id from a random source.\n\n" | |||
21 | " -h --help Show this help\n" | |||
22 | " --version Show package version\n" | |||
23 | " --root=ROOT Filesystem root\n" | |||
24 | " --commit Commit transient ID\n" | |||
25 | " --print Print used machine ID\n" | |||
26 | , program_invocation_short_name); | |||
27 | } | |||
28 | ||||
29 | static int parse_argv(int argc, char *argv[]) { | |||
30 | ||||
31 | enum { | |||
32 | ARG_VERSION = 0x100, | |||
33 | ARG_ROOT, | |||
34 | ARG_COMMIT, | |||
35 | ARG_PRINT, | |||
36 | }; | |||
37 | ||||
38 | static const struct option options[] = { | |||
39 | { "help", no_argument0, NULL((void*)0), 'h' }, | |||
40 | { "version", no_argument0, NULL((void*)0), ARG_VERSION }, | |||
41 | { "root", required_argument1, NULL((void*)0), ARG_ROOT }, | |||
42 | { "commit", no_argument0, NULL((void*)0), ARG_COMMIT }, | |||
43 | { "print", no_argument0, NULL((void*)0), ARG_PRINT }, | |||
44 | {} | |||
45 | }; | |||
46 | ||||
47 | int c, r; | |||
48 | ||||
49 | assert(argc >= 0)do { if ((__builtin_expect(!!(!(argc >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("argc >= 0"), "../src/machine-id-setup/machine-id-setup-main.c" , 49, __PRETTY_FUNCTION__); } while (0); | |||
50 | assert(argv)do { if ((__builtin_expect(!!(!(argv)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("argv"), "../src/machine-id-setup/machine-id-setup-main.c" , 50, __PRETTY_FUNCTION__); } while (0); | |||
51 | ||||
52 | while ((c = getopt_long(argc, argv, "hqcv", options, NULL((void*)0))) >= 0) | |||
53 | ||||
54 | switch (c) { | |||
55 | ||||
56 | case 'h': | |||
57 | help(); | |||
58 | return 0; | |||
59 | ||||
60 | case ARG_VERSION: | |||
61 | return version(); | |||
62 | ||||
63 | case ARG_ROOT: | |||
64 | r = parse_path_argument_and_warn(optarg, true1, &arg_root); | |||
65 | if (r < 0) | |||
66 | return r; | |||
67 | break; | |||
68 | ||||
69 | case ARG_COMMIT: | |||
70 | arg_commit = true1; | |||
71 | break; | |||
72 | ||||
73 | case ARG_PRINT: | |||
74 | arg_print = true1; | |||
75 | break; | |||
76 | ||||
77 | case '?': | |||
78 | return -EINVAL22; | |||
79 | ||||
80 | default: | |||
81 | assert_not_reached("Unhandled option")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "Unhandled option"), "../src/machine-id-setup/machine-id-setup-main.c" , 81, __PRETTY_FUNCTION__); } while (0); | |||
82 | } | |||
83 | ||||
84 | if (optind < argc) { | |||
85 | log_error("Extraneous arguments")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/machine-id-setup/machine-id-setup-main.c", 85, __func__ , "Extraneous arguments") : -abs(_e); }); | |||
86 | return -EINVAL22; | |||
87 | } | |||
88 | ||||
89 | return 1; | |||
90 | } | |||
91 | ||||
92 | int main(int argc, char *argv[]) { | |||
93 | char buf[SD_ID128_STRING_MAX33]; | |||
94 | sd_id128_t id; | |||
95 | int r; | |||
96 | ||||
97 | log_parse_environment()log_parse_environment_realm(LOG_REALM_SYSTEMD); | |||
98 | log_open(); | |||
99 | ||||
100 | r = parse_argv(argc, argv); | |||
| ||||
101 | if (r
| |||
102 | goto finish; | |||
103 | ||||
104 | if (arg_commit
| |||
105 | const char *etc_machine_id; | |||
106 | ||||
107 | r = machine_id_commit(arg_root); | |||
108 | if (r < 0) | |||
109 | goto finish; | |||
110 | ||||
111 | etc_machine_id = prefix_roota(arg_root, "/etc/machine-id")({ const char* _path = ("/etc/machine-id"), *_root = (arg_root ), *_ret; char *_p, *_n; size_t _l; while (_path[0] == '/' && _path[1] == '/') _path ++; if (empty_or_root(_root)) _ret = _path ; else { _l = strlen(_root) + 1 + strlen(_path) + 1; _n = __builtin_alloca (_l); _p = stpcpy(_n, _root); while (_p > _n && _p [-1] == '/') _p--; if (_path[0] != '/') *(_p++) = '/'; strcpy (_p, _path); _ret = _n; } _ret; }); | |||
| ||||
112 | r = id128_read(etc_machine_id, ID128_PLAIN, &id); | |||
113 | if (r < 0) { | |||
114 | log_error_errno(r, "Failed to read machine ID back: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/machine-id-setup/machine-id-setup-main.c", 114, __func__ , "Failed to read machine ID back: %m") : -abs(_e); }); | |||
115 | goto finish; | |||
116 | } | |||
117 | } else { | |||
118 | r = machine_id_setup(arg_root, SD_ID128_NULL((const sd_id128_t) { .qwords = { 0, 0 }}), &id); | |||
119 | if (r < 0) | |||
120 | goto finish; | |||
121 | } | |||
122 | ||||
123 | if (arg_print) | |||
124 | puts(sd_id128_to_string(id, buf)); | |||
125 | ||||
126 | finish: | |||
127 | free(arg_root); | |||
128 | return r < 0 ? EXIT_FAILURE1 : EXIT_SUCCESS0; | |||
129 | } |