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490aed58 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 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 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <sys/socket.h> | |
23 | #include <sys/poll.h> | |
24 | #include <sys/types.h> | |
25 | #include <assert.h> | |
26 | #include <string.h> | |
27 | #include <errno.h> | |
28 | #include <unistd.h> | |
29 | #include <fcntl.h> | |
30 | #include <sys/un.h> | |
31 | #include <sys/stat.h> | |
32 | #include <sys/signalfd.h> | |
33 | #include <getopt.h> | |
1b39d4b9 LP |
34 | #include <termios.h> |
35 | #include <limits.h> | |
0e098b15 | 36 | #include <stddef.h> |
490aed58 LP |
37 | |
38 | #include "log.h" | |
39 | #include "macro.h" | |
40 | #include "util.h" | |
21bc923a | 41 | #include "strv.h" |
7f4e0805 | 42 | #include "ask-password-api.h" |
490aed58 LP |
43 | |
44 | static const char *arg_icon = NULL; | |
45 | static const char *arg_message = NULL; | |
1b39d4b9 | 46 | static bool arg_use_tty = true; |
490aed58 | 47 | static usec_t arg_timeout = 60 * USEC_PER_SEC; |
21bc923a LP |
48 | static bool arg_accept_cached = false; |
49 | static bool arg_multiple = false; | |
490aed58 | 50 | |
490aed58 LP |
51 | static int help(void) { |
52 | ||
53 | printf("%s [OPTIONS...] MESSAGE\n\n" | |
ad6ab0af | 54 | "Query the user for a system passphrase, via the TTY or an UI agent.\n\n" |
21bc923a LP |
55 | " -h --help Show this help\n" |
56 | " --icon=NAME Icon name\n" | |
57 | " --timeout=SEC Timeout in sec\n" | |
58 | " --no-tty Ask question via agent even on TTY\n" | |
59 | " --accept-cached Accept cached passwords\n" | |
60 | " --multiple List multiple passwords if available\n", | |
490aed58 LP |
61 | program_invocation_short_name); |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
66 | static int parse_argv(int argc, char *argv[]) { | |
67 | ||
68 | enum { | |
69 | ARG_ICON = 0x100, | |
1b39d4b9 | 70 | ARG_TIMEOUT, |
21bc923a LP |
71 | ARG_NO_TTY, |
72 | ARG_ACCEPT_CACHED, | |
73 | ARG_MULTIPLE | |
490aed58 LP |
74 | }; |
75 | ||
76 | static const struct option options[] = { | |
21bc923a LP |
77 | { "help", no_argument, NULL, 'h' }, |
78 | { "icon", required_argument, NULL, ARG_ICON }, | |
79 | { "timeout", required_argument, NULL, ARG_TIMEOUT }, | |
80 | { "no-tty", no_argument, NULL, ARG_NO_TTY }, | |
81 | { "accept-cached", no_argument, NULL, ARG_ACCEPT_CACHED }, | |
82 | { "multiple", no_argument, NULL, ARG_MULTIPLE }, | |
83 | { NULL, 0, NULL, 0 } | |
490aed58 LP |
84 | }; |
85 | ||
86 | int c; | |
87 | ||
88 | assert(argc >= 0); | |
89 | assert(argv); | |
90 | ||
91 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) { | |
92 | ||
93 | switch (c) { | |
94 | ||
95 | case 'h': | |
96 | help(); | |
97 | return 0; | |
98 | ||
99 | case ARG_ICON: | |
100 | arg_icon = optarg; | |
101 | break; | |
102 | ||
103 | case ARG_TIMEOUT: | |
7dcda352 | 104 | if (parse_usec(optarg, &arg_timeout) < 0) { |
490aed58 LP |
105 | log_error("Failed to parse --timeout parameter %s", optarg); |
106 | return -EINVAL; | |
107 | } | |
108 | break; | |
109 | ||
1b39d4b9 LP |
110 | case ARG_NO_TTY: |
111 | arg_use_tty = false; | |
112 | break; | |
113 | ||
21bc923a LP |
114 | case ARG_ACCEPT_CACHED: |
115 | arg_accept_cached = true; | |
116 | break; | |
117 | ||
118 | case ARG_MULTIPLE: | |
119 | arg_multiple = true; | |
120 | break; | |
121 | ||
490aed58 LP |
122 | case '?': |
123 | return -EINVAL; | |
124 | ||
125 | default: | |
126 | log_error("Unknown option code %c", c); | |
127 | return -EINVAL; | |
128 | } | |
129 | } | |
130 | ||
131 | if (optind != argc-1) { | |
132 | help(); | |
133 | return -EINVAL; | |
134 | } | |
135 | ||
136 | arg_message = argv[optind]; | |
1b39d4b9 | 137 | return 1; |
490aed58 LP |
138 | } |
139 | ||
1b39d4b9 LP |
140 | int main(int argc, char *argv[]) { |
141 | int r; | |
7dcda352 | 142 | usec_t timeout; |
1b39d4b9 LP |
143 | |
144 | log_parse_environment(); | |
145 | log_open(); | |
146 | ||
147 | if ((r = parse_argv(argc, argv)) <= 0) | |
148 | goto finish; | |
149 | ||
7dcda352 LP |
150 | if (arg_timeout > 0) |
151 | timeout = now(CLOCK_MONOTONIC) + arg_timeout; | |
152 | else | |
153 | timeout = 0; | |
154 | ||
21bc923a LP |
155 | if (arg_use_tty && isatty(STDIN_FILENO)) { |
156 | char *password = NULL; | |
157 | ||
7dcda352 | 158 | if ((r = ask_password_tty(arg_message, timeout, NULL, &password)) >= 0) { |
21bc923a LP |
159 | puts(password); |
160 | free(password); | |
161 | } | |
162 | ||
163 | } else { | |
164 | char **l; | |
165 | ||
7dcda352 | 166 | if ((r = ask_password_agent(arg_message, arg_icon, timeout, arg_accept_cached, &l)) >= 0) { |
21bc923a LP |
167 | char **p; |
168 | ||
169 | STRV_FOREACH(p, l) { | |
170 | puts(*p); | |
ec863ba6 | 171 | |
21bc923a LP |
172 | if (!arg_multiple) |
173 | break; | |
174 | } | |
175 | ||
176 | strv_free(l); | |
177 | } | |
7f4e0805 | 178 | } |
1b39d4b9 LP |
179 | |
180 | finish: | |
7f4e0805 | 181 | |
1b39d4b9 LP |
182 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
183 | } |