]>
Commit | Line | Data |
---|---|---|
0d1d512f ZJS |
1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2 | ||
3 | #include <getopt.h> | |
4 | #include <stdio.h> | |
5 | ||
6 | #include "alloc-util.h" | |
7 | #include "id128-print.h" | |
5e332028 | 8 | #include "main-func.h" |
294bf0c3 | 9 | #include "pretty-print.h" |
a19fdd66 | 10 | #include "terminal-util.h" |
0d1d512f ZJS |
11 | #include "util.h" |
12 | #include "verbs.h" | |
13 | ||
a19fdd66 | 14 | static Id128PrettyPrintMode arg_mode = ID128_PRINT_ID128; |
206a29b2 | 15 | static sd_id128_t arg_app = {}; |
0d1d512f ZJS |
16 | |
17 | static int verb_new(int argc, char **argv, void *userdata) { | |
a19fdd66 | 18 | return id128_print_new(arg_mode); |
0d1d512f ZJS |
19 | } |
20 | ||
21 | static int verb_machine_id(int argc, char **argv, void *userdata) { | |
22 | sd_id128_t id; | |
23 | int r; | |
24 | ||
25 | if (sd_id128_is_null(arg_app)) | |
26 | r = sd_id128_get_machine(&id); | |
27 | else | |
28 | r = sd_id128_get_machine_app_specific(arg_app, &id); | |
29 | if (r < 0) | |
30 | return log_error_errno(r, "Failed to get %smachine-ID: %m", | |
31 | sd_id128_is_null(arg_app) ? "" : "app-specific "); | |
32 | ||
a19fdd66 | 33 | return id128_pretty_print(id, arg_mode); |
0d1d512f ZJS |
34 | } |
35 | ||
36 | static int verb_boot_id(int argc, char **argv, void *userdata) { | |
37 | sd_id128_t id; | |
38 | int r; | |
39 | ||
40 | if (sd_id128_is_null(arg_app)) | |
41 | r = sd_id128_get_boot(&id); | |
42 | else | |
43 | r = sd_id128_get_boot_app_specific(arg_app, &id); | |
44 | if (r < 0) | |
45 | return log_error_errno(r, "Failed to get %sboot-ID: %m", | |
46 | sd_id128_is_null(arg_app) ? "" : "app-specific "); | |
47 | ||
a19fdd66 | 48 | return id128_pretty_print(id, arg_mode); |
0d1d512f ZJS |
49 | } |
50 | ||
51 | static int verb_invocation_id(int argc, char **argv, void *userdata) { | |
52 | sd_id128_t id; | |
53 | int r; | |
54 | ||
55 | if (!sd_id128_is_null(arg_app)) | |
886cf317 ZJS |
56 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
57 | "Verb \"invocation-id\" cannot be combined with --app-specific=."); | |
0d1d512f ZJS |
58 | |
59 | r = sd_id128_get_invocation(&id); | |
60 | if (r < 0) | |
61 | return log_error_errno(r, "Failed to get invocation-ID: %m"); | |
62 | ||
a19fdd66 | 63 | return id128_pretty_print(id, arg_mode); |
0d1d512f ZJS |
64 | } |
65 | ||
66 | static int help(void) { | |
67 | _cleanup_free_ char *link = NULL; | |
68 | int r; | |
69 | ||
70 | r = terminal_urlify_man("systemd-id128", "1", &link); | |
71 | if (r < 0) | |
72 | return log_oom(); | |
73 | ||
a19fdd66 LP |
74 | printf("%s [OPTIONS...] COMMAND\n\n" |
75 | "%sGenerate and print 128bit identifiers.%s\n" | |
20a51f6a | 76 | "\nCommands:\n" |
0d1d512f ZJS |
77 | " new Generate a new id128 string\n" |
78 | " machine-id Print the ID of current machine\n" | |
79 | " boot-id Print the ID of current boot\n" | |
80 | " invocation-id Print the ID of current invocation\n" | |
81 | " help Show this help\n" | |
a19fdd66 LP |
82 | "\nOptions:\n" |
83 | " -h --help Show this help\n" | |
84 | " -p --pretty Generate samples of program code\n" | |
85 | " -a --app-specific=ID Generate app-specific IDs\n" | |
86 | " -u --uuid Output in UUID format\n" | |
0d1d512f ZJS |
87 | "\nSee the %s for details.\n" |
88 | , program_invocation_short_name | |
a19fdd66 | 89 | , ansi_highlight(), ansi_normal() |
0d1d512f ZJS |
90 | , link |
91 | ); | |
92 | ||
93 | return 0; | |
94 | } | |
95 | ||
96 | static int verb_help(int argc, char **argv, void *userdata) { | |
97 | return help(); | |
98 | } | |
99 | ||
100 | static int parse_argv(int argc, char *argv[]) { | |
101 | enum { | |
102 | ARG_VERSION = 0x100, | |
103 | }; | |
104 | ||
105 | static const struct option options[] = { | |
106 | { "help", no_argument, NULL, 'h' }, | |
107 | { "version", no_argument, NULL, ARG_VERSION }, | |
be440e09 | 108 | { "pretty", no_argument, NULL, 'p' }, |
0d1d512f | 109 | { "app-specific", required_argument, NULL, 'a' }, |
a19fdd66 | 110 | { "uuid", no_argument, NULL, 'u' }, |
0d1d512f ZJS |
111 | {}, |
112 | }; | |
113 | ||
114 | int c, r; | |
115 | ||
116 | assert(argc >= 0); | |
117 | assert(argv); | |
118 | ||
a19fdd66 | 119 | while ((c = getopt_long(argc, argv, "hpa:u", options, NULL)) >= 0) |
0d1d512f ZJS |
120 | switch (c) { |
121 | ||
122 | case 'h': | |
123 | return help(); | |
124 | ||
125 | case ARG_VERSION: | |
126 | return version(); | |
127 | ||
128 | case 'p': | |
a19fdd66 | 129 | arg_mode = ID128_PRINT_PRETTY; |
0d1d512f ZJS |
130 | break; |
131 | ||
132 | case 'a': | |
133 | r = sd_id128_from_string(optarg, &arg_app); | |
134 | if (r < 0) | |
135 | return log_error_errno(r, "Failed to parse \"%s\" as application-ID: %m", optarg); | |
136 | break; | |
137 | ||
a19fdd66 LP |
138 | case 'u': |
139 | arg_mode = ID128_PRINT_UUID; | |
140 | break; | |
141 | ||
0d1d512f ZJS |
142 | case '?': |
143 | return -EINVAL; | |
144 | ||
145 | default: | |
146 | assert_not_reached("Unhandled option"); | |
147 | } | |
148 | ||
149 | return 1; | |
150 | } | |
151 | ||
152 | static int id128_main(int argc, char *argv[]) { | |
153 | static const Verb verbs[] = { | |
154 | { "new", VERB_ANY, 1, 0, verb_new }, | |
155 | { "machine-id", VERB_ANY, 1, 0, verb_machine_id }, | |
156 | { "boot-id", VERB_ANY, 1, 0, verb_boot_id }, | |
157 | { "invocation-id", VERB_ANY, 1, 0, verb_invocation_id }, | |
158 | { "help", VERB_ANY, VERB_ANY, 0, verb_help }, | |
159 | {} | |
160 | }; | |
161 | ||
162 | return dispatch_verb(argc, argv, verbs, NULL); | |
163 | } | |
164 | ||
3c79f0b3 | 165 | static int run(int argc, char *argv[]) { |
0d1d512f ZJS |
166 | int r; |
167 | ||
1a043959 | 168 | log_show_color(true); |
0d1d512f ZJS |
169 | log_parse_environment(); |
170 | log_open(); | |
171 | ||
172 | r = parse_argv(argc, argv); | |
173 | if (r <= 0) | |
3c79f0b3 | 174 | return r; |
0d1d512f | 175 | |
3c79f0b3 | 176 | return id128_main(argc, argv); |
0d1d512f | 177 | } |
3c79f0b3 ZJS |
178 | |
179 | DEFINE_MAIN_FUNCTION(run); |