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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
490aed58 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2010 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
8 | under the terms of the GNU Lesser General Public License as published by |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
490aed58 LP |
10 | (at your option) any later version. |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 15 | Lesser General Public License for more details. |
490aed58 | 16 | |
5430f7f2 | 17 | You should have received a copy of the GNU Lesser General Public License |
490aed58 LP |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
19 | ***/ | |
20 | ||
490aed58 | 21 | #include <errno.h> |
490aed58 | 22 | #include <getopt.h> |
0e098b15 | 23 | #include <stddef.h> |
00843602 | 24 | #include <unistd.h> |
490aed58 | 25 | |
00843602 LP |
26 | #include "ask-password-api.h" |
27 | #include "def.h" | |
490aed58 LP |
28 | #include "log.h" |
29 | #include "macro.h" | |
21bc923a | 30 | #include "strv.h" |
490aed58 LP |
31 | |
32 | static const char *arg_icon = NULL; | |
9fa1de96 | 33 | static const char *arg_id = NULL; |
e287086b LP |
34 | static const char *arg_keyname = NULL; |
35 | static char *arg_message = NULL; | |
7f434cf4 | 36 | static usec_t arg_timeout = DEFAULT_TIMEOUT_USEC; |
21bc923a | 37 | static bool arg_multiple = false; |
a5a4e365 | 38 | static bool arg_no_output = false; |
e287086b | 39 | static AskPasswordFlags arg_flags = ASK_PASSWORD_PUSH_CACHE; |
490aed58 | 40 | |
601185b4 | 41 | static void help(void) { |
490aed58 | 42 | printf("%s [OPTIONS...] MESSAGE\n\n" |
ad6ab0af | 43 | "Query the user for a system passphrase, via the TTY or an UI agent.\n\n" |
e287086b LP |
44 | " -h --help Show this help\n" |
45 | " --icon=NAME Icon name\n" | |
46 | " --id=ID Query identifier (e.g. \"cryptsetup:/dev/sda5\")\n" | |
47 | " --keyname=NAME Kernel key name for caching passwords (e.g. \"cryptsetup\")\n" | |
48 | " --timeout=SEC Timeout in seconds\n" | |
49 | " --echo Do not mask input (useful for usernames)\n" | |
50 | " --no-tty Ask question via agent even on TTY\n" | |
51 | " --accept-cached Accept cached passwords\n" | |
52 | " --multiple List multiple passwords if available\n" | |
a5a4e365 | 53 | " --no-output Do not print password to standard output\n" |
601185b4 | 54 | , program_invocation_short_name); |
490aed58 LP |
55 | } |
56 | ||
57 | static int parse_argv(int argc, char *argv[]) { | |
58 | ||
59 | enum { | |
60 | ARG_ICON = 0x100, | |
1b39d4b9 | 61 | ARG_TIMEOUT, |
64845bdc | 62 | ARG_ECHO, |
21bc923a LP |
63 | ARG_NO_TTY, |
64 | ARG_ACCEPT_CACHED, | |
9fa1de96 | 65 | ARG_MULTIPLE, |
e287086b LP |
66 | ARG_ID, |
67 | ARG_KEYNAME, | |
a5a4e365 | 68 | ARG_NO_OUTPUT, |
490aed58 LP |
69 | }; |
70 | ||
71 | static const struct option options[] = { | |
21bc923a LP |
72 | { "help", no_argument, NULL, 'h' }, |
73 | { "icon", required_argument, NULL, ARG_ICON }, | |
74 | { "timeout", required_argument, NULL, ARG_TIMEOUT }, | |
64845bdc | 75 | { "echo", no_argument, NULL, ARG_ECHO }, |
21bc923a LP |
76 | { "no-tty", no_argument, NULL, ARG_NO_TTY }, |
77 | { "accept-cached", no_argument, NULL, ARG_ACCEPT_CACHED }, | |
78 | { "multiple", no_argument, NULL, ARG_MULTIPLE }, | |
9fa1de96 | 79 | { "id", required_argument, NULL, ARG_ID }, |
e287086b | 80 | { "keyname", required_argument, NULL, ARG_KEYNAME }, |
a5a4e365 | 81 | { "no-output", no_argument, NULL, ARG_NO_OUTPUT }, |
eb9da376 | 82 | {} |
490aed58 LP |
83 | }; |
84 | ||
85 | int c; | |
86 | ||
87 | assert(argc >= 0); | |
88 | assert(argv); | |
89 | ||
601185b4 | 90 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) |
490aed58 LP |
91 | |
92 | switch (c) { | |
93 | ||
94 | case 'h': | |
601185b4 ZJS |
95 | help(); |
96 | return 0; | |
490aed58 LP |
97 | |
98 | case ARG_ICON: | |
99 | arg_icon = optarg; | |
100 | break; | |
101 | ||
102 | case ARG_TIMEOUT: | |
7f602784 | 103 | if (parse_sec(optarg, &arg_timeout) < 0) { |
490aed58 LP |
104 | log_error("Failed to parse --timeout parameter %s", optarg); |
105 | return -EINVAL; | |
106 | } | |
107 | break; | |
108 | ||
64845bdc | 109 | case ARG_ECHO: |
e287086b | 110 | arg_flags |= ASK_PASSWORD_ECHO; |
64845bdc DS |
111 | break; |
112 | ||
1b39d4b9 | 113 | case ARG_NO_TTY: |
e287086b | 114 | arg_flags |= ASK_PASSWORD_NO_TTY; |
1b39d4b9 LP |
115 | break; |
116 | ||
21bc923a | 117 | case ARG_ACCEPT_CACHED: |
e287086b | 118 | arg_flags |= ASK_PASSWORD_ACCEPT_CACHED; |
21bc923a LP |
119 | break; |
120 | ||
121 | case ARG_MULTIPLE: | |
122 | arg_multiple = true; | |
123 | break; | |
124 | ||
9fa1de96 DH |
125 | case ARG_ID: |
126 | arg_id = optarg; | |
127 | break; | |
128 | ||
e287086b LP |
129 | case ARG_KEYNAME: |
130 | arg_keyname = optarg; | |
131 | break; | |
132 | ||
a5a4e365 CH |
133 | case ARG_NO_OUTPUT: |
134 | arg_no_output = true; | |
135 | break; | |
136 | ||
490aed58 LP |
137 | case '?': |
138 | return -EINVAL; | |
139 | ||
140 | default: | |
eb9da376 | 141 | assert_not_reached("Unhandled option"); |
490aed58 | 142 | } |
490aed58 | 143 | |
e287086b LP |
144 | if (argc > optind) { |
145 | arg_message = strv_join(argv + optind, " "); | |
146 | if (!arg_message) | |
147 | return log_oom(); | |
490aed58 LP |
148 | } |
149 | ||
1b39d4b9 | 150 | return 1; |
490aed58 LP |
151 | } |
152 | ||
1b39d4b9 | 153 | int main(int argc, char *argv[]) { |
ab84f5b9 | 154 | _cleanup_strv_free_erase_ char **l = NULL; |
7dcda352 | 155 | usec_t timeout; |
e287086b LP |
156 | char **p; |
157 | int r; | |
1b39d4b9 LP |
158 | |
159 | log_parse_environment(); | |
160 | log_open(); | |
161 | ||
601185b4 ZJS |
162 | r = parse_argv(argc, argv); |
163 | if (r <= 0) | |
1b39d4b9 LP |
164 | goto finish; |
165 | ||
7dcda352 LP |
166 | if (arg_timeout > 0) |
167 | timeout = now(CLOCK_MONOTONIC) + arg_timeout; | |
168 | else | |
169 | timeout = 0; | |
170 | ||
e287086b LP |
171 | r = ask_password_auto(arg_message, arg_icon, arg_id, arg_keyname, timeout, arg_flags, &l); |
172 | if (r < 0) { | |
173 | log_error_errno(r, "Failed to query password: %m"); | |
174 | goto finish; | |
175 | } | |
21bc923a | 176 | |
e287086b | 177 | STRV_FOREACH(p, l) { |
a5a4e365 CH |
178 | if (!arg_no_output) |
179 | puts(*p); | |
ec863ba6 | 180 | |
e287086b LP |
181 | if (!arg_multiple) |
182 | break; | |
7f4e0805 | 183 | } |
1b39d4b9 LP |
184 | |
185 | finish: | |
e287086b LP |
186 | free(arg_message); |
187 | ||
1b39d4b9 LP |
188 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
189 | } |