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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
00843602 | 2 | |
7f4e0805 LP |
3 | #include <errno.h> |
4 | #include <fcntl.h> | |
a8fbdf54 TA |
5 | #include <inttypes.h> |
6 | #include <limits.h> | |
00843602 | 7 | #include <stdbool.h> |
7f4e0805 | 8 | #include <stddef.h> |
a8fbdf54 TA |
9 | #include <stdint.h> |
10 | #include <stdio.h> | |
11 | #include <stdlib.h> | |
00843602 | 12 | #include <sys/inotify.h> |
7f4e0805 | 13 | #include <sys/signalfd.h> |
a8fbdf54 TA |
14 | #include <sys/stat.h> |
15 | #include <sys/time.h> | |
16 | #include <sys/uio.h> | |
00843602 LP |
17 | #include <sys/un.h> |
18 | #include <termios.h> | |
19 | #include <unistd.h> | |
7f4e0805 | 20 | |
b5efdb8a | 21 | #include "alloc-util.h" |
3ffd4af2 | 22 | #include "ask-password-api.h" |
28db6fbf | 23 | #include "constants.h" |
8806bb4b | 24 | #include "creds-util.h" |
3ffd4af2 | 25 | #include "fd-util.h" |
0d39fa9c | 26 | #include "fileio.h" |
f97b34a6 | 27 | #include "format-util.h" |
c7b7d74e | 28 | #include "fs-util.h" |
d8e32c47 | 29 | #include "glyph-util.h" |
c004493c | 30 | #include "io-util.h" |
bd1ae178 | 31 | #include "iovec-util.h" |
cbae575e | 32 | #include "keyring-util.h" |
a8fbdf54 TA |
33 | #include "log.h" |
34 | #include "macro.h" | |
0a970718 | 35 | #include "memory-util.h" |
f5947a5e | 36 | #include "missing_syscall.h" |
35cd0ba5 | 37 | #include "mkdir-label.h" |
08af3cc5 | 38 | #include "nulstr-util.h" |
df0ff127 | 39 | #include "process-util.h" |
3df3e884 | 40 | #include "random-util.h" |
24882e06 | 41 | #include "signal-util.h" |
00843602 | 42 | #include "socket-util.h" |
07630cea | 43 | #include "string-util.h" |
00843602 LP |
44 | #include "strv.h" |
45 | #include "terminal-util.h" | |
a8fbdf54 | 46 | #include "time-util.h" |
e4de7287 | 47 | #include "tmpfile-util.h" |
affb60b1 | 48 | #include "umask-util.h" |
f3149d57 | 49 | #include "utf8.h" |
7f4e0805 | 50 | |
e287086b LP |
51 | #define KEYRING_TIMEOUT_USEC ((5 * USEC_PER_MINUTE) / 2) |
52 | ||
53 | static int lookup_key(const char *keyname, key_serial_t *ret) { | |
54 | key_serial_t serial; | |
55 | ||
56 | assert(keyname); | |
57 | assert(ret); | |
58 | ||
59 | serial = request_key("user", keyname, NULL, 0); | |
60 | if (serial == -1) | |
9c4615fb | 61 | return negative_errno(); |
e287086b LP |
62 | |
63 | *ret = serial; | |
64 | return 0; | |
65 | } | |
66 | ||
67 | static int retrieve_key(key_serial_t serial, char ***ret) { | |
cbae575e | 68 | _cleanup_(erase_and_freep) void *p = NULL; |
e287086b | 69 | char **l; |
cbae575e LP |
70 | size_t n; |
71 | int r; | |
e287086b LP |
72 | |
73 | assert(ret); | |
74 | ||
cbae575e LP |
75 | r = keyring_read(serial, &p, &n); |
76 | if (r < 0) | |
77 | return r; | |
78 | ||
79 | l = strv_parse_nulstr(p, n); | |
e287086b LP |
80 | if (!l) |
81 | return -ENOMEM; | |
82 | ||
83 | *ret = l; | |
84 | return 0; | |
85 | } | |
86 | ||
87 | static int add_to_keyring(const char *keyname, AskPasswordFlags flags, char **passwords) { | |
ab84f5b9 | 88 | _cleanup_strv_free_erase_ char **l = NULL; |
e693a932 | 89 | _cleanup_(erase_and_freep) char *p = NULL; |
e287086b LP |
90 | key_serial_t serial; |
91 | size_t n; | |
92 | int r; | |
93 | ||
94 | assert(keyname); | |
e287086b | 95 | |
9cb5bf91 | 96 | if (!FLAGS_SET(flags, ASK_PASSWORD_PUSH_CACHE)) |
e287086b | 97 | return 0; |
e013e10d LP |
98 | if (strv_isempty(passwords)) |
99 | return 0; | |
e287086b LP |
100 | |
101 | r = lookup_key(keyname, &serial); | |
102 | if (r >= 0) { | |
103 | r = retrieve_key(serial, &l); | |
104 | if (r < 0) | |
105 | return r; | |
106 | } else if (r != -ENOKEY) | |
107 | return r; | |
108 | ||
109 | r = strv_extend_strv(&l, passwords, true); | |
110 | if (r <= 0) | |
111 | return r; | |
112 | ||
113 | r = strv_make_nulstr(l, &p, &n); | |
114 | if (r < 0) | |
115 | return r; | |
116 | ||
76078ad8 LP |
117 | /* chop off the final NUL byte. We do this because we want to use the separator NUL bytes only if we |
118 | * have multiple passwords. */ | |
119 | n = LESS_BY(n, (size_t) 1); | |
120 | ||
b60df13b | 121 | serial = add_key("user", keyname, p, n, KEY_SPEC_USER_KEYRING); |
e287086b LP |
122 | if (serial == -1) |
123 | return -errno; | |
124 | ||
125 | if (keyctl(KEYCTL_SET_TIMEOUT, | |
126 | (unsigned long) serial, | |
127 | (unsigned long) DIV_ROUND_UP(KEYRING_TIMEOUT_USEC, USEC_PER_SEC), 0, 0) < 0) | |
e3ac53a2 | 128 | log_debug_errno(errno, "Failed to adjust kernel keyring key timeout: %m"); |
e287086b | 129 | |
c7b7d74e XF |
130 | /* Tell everyone to check the keyring */ |
131 | (void) touch("/run/systemd/ask-password"); | |
132 | ||
e3ac53a2 | 133 | log_debug("Added key to kernel keyring as %" PRIi32 ".", serial); |
e287086b LP |
134 | |
135 | return 1; | |
136 | } | |
137 | ||
138 | static int add_to_keyring_and_log(const char *keyname, AskPasswordFlags flags, char **passwords) { | |
139 | int r; | |
140 | ||
141 | assert(keyname); | |
e287086b LP |
142 | |
143 | r = add_to_keyring(keyname, flags, passwords); | |
144 | if (r < 0) | |
e3ac53a2 | 145 | return log_debug_errno(r, "Failed to add password to kernel keyring: %m"); |
e287086b LP |
146 | |
147 | return 0; | |
148 | } | |
149 | ||
8a111277 | 150 | static int ask_password_keyring(const char *keyname, AskPasswordFlags flags, char ***ret) { |
e287086b LP |
151 | |
152 | key_serial_t serial; | |
153 | int r; | |
154 | ||
155 | assert(keyname); | |
156 | assert(ret); | |
157 | ||
9cb5bf91 | 158 | if (!FLAGS_SET(flags, ASK_PASSWORD_ACCEPT_CACHED)) |
e287086b LP |
159 | return -EUNATCH; |
160 | ||
161 | r = lookup_key(keyname, &serial); | |
bb44fd07 ZJS |
162 | if (ERRNO_IS_NEG_NOT_SUPPORTED(r) || r == -EPERM) |
163 | /* When retrieving, the distinction between "kernel or container manager don't support or | |
164 | * allow this" and "no matching key known" doesn't matter. Note that we propagate EACCESS | |
165 | * here (even if EPERM not) since that is used if the keyring is available, but we lack | |
166 | * access to the key. */ | |
167 | return -ENOKEY; | |
168 | if (r < 0) | |
e287086b LP |
169 | return r; |
170 | ||
171 | return retrieve_key(serial, ret); | |
172 | } | |
173 | ||
8e9d1eec | 174 | static int backspace_chars(int ttyfd, size_t p) { |
58fc840b | 175 | if (ttyfd < 0) |
8e9d1eec | 176 | return 0; |
58fc840b | 177 | |
8e9d1eec ZJS |
178 | _cleanup_free_ char *buf = malloc_multiply(3, p); |
179 | if (!buf) | |
180 | return log_oom(); | |
58fc840b | 181 | |
8e9d1eec ZJS |
182 | for (size_t i = 0; i < p; i++) |
183 | memcpy(buf + 3 * i, "\b \b", 3); | |
58fc840b | 184 | |
e22c60a9 | 185 | return loop_write(ttyfd, buf, 3 * p); |
8e9d1eec | 186 | } |
fd6ac62c | 187 | |
8e9d1eec | 188 | static int backspace_string(int ttyfd, const char *str) { |
fd6ac62c LP |
189 | assert(str); |
190 | ||
f95dbcc2 | 191 | /* Backspaces through enough characters to entirely undo printing of the specified string. */ |
fd6ac62c | 192 | |
8e9d1eec ZJS |
193 | if (ttyfd < 0) |
194 | return 0; | |
195 | ||
196 | size_t m = utf8_n_codepoints(str); | |
f5fbe71d | 197 | if (m == SIZE_MAX) |
8e9d1eec | 198 | m = strlen(str); /* Not a valid UTF-8 string? If so, let's backspace the number of bytes |
5bc9ea07 | 199 | * output. Most likely this happened because we are not in a UTF-8 locale, |
8e9d1eec ZJS |
200 | * and in that case that is the correct thing to do. And even if it's not, |
201 | * terminals tend to stop backspacing at the leftmost column, hence | |
202 | * backspacing too much should be mostly OK. */ | |
fd6ac62c | 203 | |
8e9d1eec | 204 | return backspace_chars(ttyfd, m); |
fd6ac62c LP |
205 | } |
206 | ||
6b2faba7 FB |
207 | int ask_password_plymouth( |
208 | const char *message, | |
209 | usec_t until, | |
210 | AskPasswordFlags flags, | |
211 | const char *flag_file, | |
212 | char ***ret) { | |
213 | ||
214 | static const union sockaddr_union sa = PLYMOUTH_SOCKET; | |
254d1313 | 215 | _cleanup_close_ int fd = -EBADF, notify = -EBADF; |
6b2faba7 FB |
216 | _cleanup_free_ char *packet = NULL; |
217 | ssize_t k; | |
218 | int r, n; | |
219 | struct pollfd pollfd[2] = {}; | |
220 | char buffer[LINE_MAX]; | |
221 | size_t p = 0; | |
222 | enum { | |
223 | POLL_SOCKET, | |
224 | POLL_INOTIFY | |
225 | }; | |
226 | ||
227 | assert(ret); | |
228 | ||
66bff73b LP |
229 | if (!message) |
230 | message = "Password:"; | |
231 | ||
6b2faba7 FB |
232 | if (flag_file) { |
233 | notify = inotify_init1(IN_CLOEXEC|IN_NONBLOCK); | |
234 | if (notify < 0) | |
235 | return -errno; | |
236 | ||
108dfff2 | 237 | if (inotify_add_watch(notify, flag_file, IN_ATTRIB) < 0) /* for the link count */ |
6b2faba7 FB |
238 | return -errno; |
239 | } | |
240 | ||
241 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); | |
242 | if (fd < 0) | |
243 | return -errno; | |
244 | ||
108dfff2 | 245 | if (connect(fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) |
6b2faba7 FB |
246 | return -errno; |
247 | ||
9cb5bf91 | 248 | if (FLAGS_SET(flags, ASK_PASSWORD_ACCEPT_CACHED)) { |
6b2faba7 FB |
249 | packet = strdup("c"); |
250 | n = 1; | |
251 | } else if (asprintf(&packet, "*\002%c%s%n", (int) (strlen(message) + 1), message, &n) < 0) | |
252 | packet = NULL; | |
253 | if (!packet) | |
254 | return -ENOMEM; | |
255 | ||
e22c60a9 | 256 | r = loop_write_full(fd, packet, n + 1, USEC_INFINITY); |
6b2faba7 FB |
257 | if (r < 0) |
258 | return r; | |
259 | ||
692597c8 LP |
260 | CLEANUP_ERASE(buffer); |
261 | ||
6b2faba7 FB |
262 | pollfd[POLL_SOCKET].fd = fd; |
263 | pollfd[POLL_SOCKET].events = POLLIN; | |
264 | pollfd[POLL_INOTIFY].fd = notify; | |
265 | pollfd[POLL_INOTIFY].events = POLLIN; | |
266 | ||
267 | for (;;) { | |
d9e2af0a | 268 | usec_t timeout; |
6b2faba7 | 269 | |
d9e2af0a YW |
270 | if (until > 0) |
271 | timeout = usec_sub_unsigned(until, now(CLOCK_MONOTONIC)); | |
272 | else | |
273 | timeout = USEC_INFINITY; | |
6b2faba7 | 274 | |
692597c8 LP |
275 | if (flag_file && access(flag_file, F_OK) < 0) |
276 | return -errno; | |
6b2faba7 | 277 | |
d9e2af0a YW |
278 | r = ppoll_usec(pollfd, notify >= 0 ? 2 : 1, timeout); |
279 | if (r == -EINTR) | |
280 | continue; | |
281 | if (r < 0) | |
692597c8 LP |
282 | return r; |
283 | if (r == 0) | |
284 | return -ETIME; | |
6b2faba7 FB |
285 | |
286 | if (notify >= 0 && pollfd[POLL_INOTIFY].revents != 0) | |
287 | (void) flush_fd(notify); | |
288 | ||
289 | if (pollfd[POLL_SOCKET].revents == 0) | |
290 | continue; | |
291 | ||
292 | k = read(fd, buffer + p, sizeof(buffer) - p); | |
293 | if (k < 0) { | |
8add30a0 | 294 | if (ERRNO_IS_TRANSIENT(errno)) |
6b2faba7 FB |
295 | continue; |
296 | ||
692597c8 | 297 | return -errno; |
6b2faba7 | 298 | } |
692597c8 LP |
299 | if (k == 0) |
300 | return -EIO; | |
6b2faba7 FB |
301 | |
302 | p += k; | |
303 | ||
6b2faba7 FB |
304 | if (buffer[0] == 5) { |
305 | ||
9cb5bf91 | 306 | if (FLAGS_SET(flags, ASK_PASSWORD_ACCEPT_CACHED)) { |
6b2faba7 FB |
307 | /* Hmm, first try with cached |
308 | * passwords failed, so let's retry | |
309 | * with a normal password request */ | |
310 | packet = mfree(packet); | |
311 | ||
692597c8 LP |
312 | if (asprintf(&packet, "*\002%c%s%n", (int) (strlen(message) + 1), message, &n) < 0) |
313 | return -ENOMEM; | |
6b2faba7 | 314 | |
e22c60a9 | 315 | r = loop_write_full(fd, packet, n + 1, USEC_INFINITY); |
6b2faba7 | 316 | if (r < 0) |
692597c8 | 317 | return r; |
6b2faba7 FB |
318 | |
319 | flags &= ~ASK_PASSWORD_ACCEPT_CACHED; | |
320 | p = 0; | |
321 | continue; | |
322 | } | |
323 | ||
324 | /* No password, because UI not shown */ | |
692597c8 | 325 | return -ENOENT; |
6b2faba7 FB |
326 | |
327 | } else if (IN_SET(buffer[0], 2, 9)) { | |
328 | uint32_t size; | |
329 | char **l; | |
330 | ||
331 | /* One or more answers */ | |
332 | if (p < 5) | |
333 | continue; | |
334 | ||
335 | memcpy(&size, buffer+1, sizeof(size)); | |
336 | size = le32toh(size); | |
692597c8 LP |
337 | if (size + 5 > sizeof(buffer)) |
338 | return -EIO; | |
6b2faba7 FB |
339 | |
340 | if (p-5 < size) | |
341 | continue; | |
342 | ||
343 | l = strv_parse_nulstr(buffer + 5, size); | |
692597c8 LP |
344 | if (!l) |
345 | return -ENOMEM; | |
6b2faba7 FB |
346 | |
347 | *ret = l; | |
348 | break; | |
349 | ||
692597c8 | 350 | } else |
6b2faba7 | 351 | /* Unknown packet */ |
692597c8 | 352 | return -EIO; |
6b2faba7 FB |
353 | } |
354 | ||
692597c8 | 355 | return 0; |
6b2faba7 FB |
356 | } |
357 | ||
8aaf18e0 ZJS |
358 | #define NO_ECHO "(no echo) " |
359 | #define PRESS_TAB "(press TAB for no echo) " | |
360 | #define SKIPPED "(skipped)" | |
361 | ||
7f4e0805 | 362 | int ask_password_tty( |
daa55720 | 363 | int ttyfd, |
7f4e0805 | 364 | const char *message, |
e287086b | 365 | const char *keyname, |
7f4e0805 | 366 | usec_t until, |
e287086b | 367 | AskPasswordFlags flags, |
7f4e0805 | 368 | const char *flag_file, |
c7b7d74e | 369 | char ***ret) { |
7f4e0805 | 370 | |
088dcd8e LP |
371 | enum { |
372 | POLL_TTY, | |
373 | POLL_INOTIFY, | |
374 | _POLL_MAX, | |
375 | }; | |
376 | ||
8aaf18e0 | 377 | bool reset_tty = false, dirty = false, use_color = false, press_tab_visible = false; |
254d1313 | 378 | _cleanup_close_ int cttyfd = -EBADF, notify = -EBADF; |
7f4e0805 | 379 | struct termios old_termios, new_termios; |
f3149d57 | 380 | char passphrase[LINE_MAX + 1] = {}, *x; |
c7b7d74e | 381 | _cleanup_strv_free_erase_ char **l = NULL; |
088dcd8e | 382 | struct pollfd pollfd[_POLL_MAX]; |
f3149d57 | 383 | size_t p = 0, codepoint = 0; |
088dcd8e | 384 | int r; |
7f4e0805 | 385 | |
e287086b LP |
386 | assert(ret); |
387 | ||
9cb5bf91 | 388 | if (FLAGS_SET(flags, ASK_PASSWORD_NO_TTY)) |
e287086b LP |
389 | return -EUNATCH; |
390 | ||
391 | if (!message) | |
392 | message = "Password:"; | |
7f4e0805 | 393 | |
e390c34d | 394 | if (!FLAGS_SET(flags, ASK_PASSWORD_HIDE_EMOJI) && emoji_enabled()) |
52d199e3 LP |
395 | message = strjoina(special_glyph(SPECIAL_GLYPH_LOCK_AND_KEY), " ", message); |
396 | ||
9cb5bf91 | 397 | if (flag_file || (FLAGS_SET(flags, ASK_PASSWORD_ACCEPT_CACHED) && keyname)) { |
981e4cd3 | 398 | notify = inotify_init1(IN_CLOEXEC|IN_NONBLOCK); |
a497a296 LP |
399 | if (notify < 0) |
400 | return -errno; | |
c7b7d74e XF |
401 | } |
402 | if (flag_file) { | |
a497a296 LP |
403 | if (inotify_add_watch(notify, flag_file, IN_ATTRIB /* for the link count */) < 0) |
404 | return -errno; | |
7f4e0805 | 405 | } |
9cb5bf91 | 406 | if (FLAGS_SET(flags, ASK_PASSWORD_ACCEPT_CACHED) && keyname) { |
c7b7d74e XF |
407 | r = ask_password_keyring(keyname, flags, ret); |
408 | if (r >= 0) | |
409 | return 0; | |
410 | else if (r != -ENOKEY) | |
411 | return r; | |
412 | ||
413 | if (inotify_add_watch(notify, "/run/systemd/ask-password", IN_ATTRIB /* for mtime */) < 0) | |
414 | return -errno; | |
415 | } | |
7f4e0805 | 416 | |
692597c8 LP |
417 | CLEANUP_ERASE(passphrase); |
418 | ||
daa55720 LP |
419 | /* If the caller didn't specify a TTY, then use the controlling tty, if we can. */ |
420 | if (ttyfd < 0) | |
421 | ttyfd = cttyfd = open("/dev/tty", O_RDWR|O_NOCTTY|O_CLOEXEC); | |
7f4e0805 | 422 | |
daa55720 | 423 | if (ttyfd >= 0) { |
a497a296 LP |
424 | if (tcgetattr(ttyfd, &old_termios) < 0) |
425 | return -errno; | |
7f4e0805 | 426 | |
9cb5bf91 | 427 | if (FLAGS_SET(flags, ASK_PASSWORD_CONSOLE_COLOR)) |
c2b32159 LP |
428 | use_color = dev_console_colors_enabled(); |
429 | else | |
430 | use_color = colors_enabled(); | |
431 | ||
432 | if (use_color) | |
e22c60a9 | 433 | (void) loop_write(ttyfd, ANSI_HIGHLIGHT, SIZE_MAX); |
ac7a9674 | 434 | |
e22c60a9 MY |
435 | (void) loop_write(ttyfd, message, SIZE_MAX); |
436 | (void) loop_write(ttyfd, " ", 1); | |
ac7a9674 | 437 | |
9cb5bf91 | 438 | if (!FLAGS_SET(flags, ASK_PASSWORD_SILENT) && !FLAGS_SET(flags, ASK_PASSWORD_ECHO)) { |
8aaf18e0 | 439 | if (use_color) |
e22c60a9 MY |
440 | (void) loop_write(ttyfd, ansi_grey(), SIZE_MAX); |
441 | ||
442 | (void) loop_write(ttyfd, PRESS_TAB, SIZE_MAX); | |
8aaf18e0 ZJS |
443 | press_tab_visible = true; |
444 | } | |
445 | ||
c2b32159 | 446 | if (use_color) |
e22c60a9 | 447 | (void) loop_write(ttyfd, ANSI_NORMAL, SIZE_MAX); |
7f4e0805 LP |
448 | |
449 | new_termios = old_termios; | |
450 | new_termios.c_lflag &= ~(ICANON|ECHO); | |
451 | new_termios.c_cc[VMIN] = 1; | |
452 | new_termios.c_cc[VTIME] = 0; | |
453 | ||
108dfff2 LP |
454 | r = RET_NERRNO(tcsetattr(ttyfd, TCSADRAIN, &new_termios)); |
455 | if (r < 0) | |
7f4e0805 | 456 | goto finish; |
7f4e0805 LP |
457 | |
458 | reset_tty = true; | |
459 | } | |
460 | ||
70dee475 LP |
461 | pollfd[POLL_TTY] = (struct pollfd) { |
462 | .fd = ttyfd >= 0 ? ttyfd : STDIN_FILENO, | |
463 | .events = POLLIN, | |
464 | }; | |
465 | pollfd[POLL_INOTIFY] = (struct pollfd) { | |
466 | .fd = notify, | |
467 | .events = POLLIN, | |
468 | }; | |
7f4e0805 LP |
469 | |
470 | for (;;) { | |
e1ed99c8 | 471 | _cleanup_(erase_char) char c; |
d9e2af0a | 472 | usec_t timeout; |
7f4e0805 LP |
473 | ssize_t n; |
474 | ||
d9e2af0a YW |
475 | if (until > 0) |
476 | timeout = usec_sub_unsigned(until, now(CLOCK_MONOTONIC)); | |
477 | else | |
478 | timeout = USEC_INFINITY; | |
7f4e0805 | 479 | |
108dfff2 LP |
480 | if (flag_file) { |
481 | r = RET_NERRNO(access(flag_file, F_OK)); | |
482 | if (r < 0) | |
7f4e0805 | 483 | goto finish; |
108dfff2 | 484 | } |
7f4e0805 | 485 | |
d9e2af0a YW |
486 | r = ppoll_usec(pollfd, notify >= 0 ? 2 : 1, timeout); |
487 | if (r == -EINTR) | |
488 | continue; | |
489 | if (r < 0) | |
7f4e0805 | 490 | goto finish; |
d9e2af0a | 491 | if (r == 0) { |
ccc80078 | 492 | r = -ETIME; |
7f4e0805 LP |
493 | goto finish; |
494 | } | |
495 | ||
1f00998c | 496 | if (notify >= 0 && pollfd[POLL_INOTIFY].revents != 0 && keyname) { |
665dfe93 | 497 | (void) flush_fd(notify); |
7f4e0805 | 498 | |
c7b7d74e XF |
499 | r = ask_password_keyring(keyname, flags, ret); |
500 | if (r >= 0) { | |
501 | r = 0; | |
502 | goto finish; | |
503 | } else if (r != -ENOKEY) | |
504 | goto finish; | |
505 | } | |
506 | ||
7f4e0805 LP |
507 | if (pollfd[POLL_TTY].revents == 0) |
508 | continue; | |
509 | ||
981e4cd3 LP |
510 | n = read(ttyfd >= 0 ? ttyfd : STDIN_FILENO, &c, 1); |
511 | if (n < 0) { | |
8add30a0 | 512 | if (ERRNO_IS_TRANSIENT(errno)) |
7f4e0805 LP |
513 | continue; |
514 | ||
515 | r = -errno; | |
516 | goto finish; | |
517 | ||
fd6ac62c | 518 | } |
7f4e0805 | 519 | |
8aaf18e0 ZJS |
520 | if (press_tab_visible) { |
521 | assert(ttyfd >= 0); | |
522 | backspace_chars(ttyfd, strlen(PRESS_TAB)); | |
523 | press_tab_visible = false; | |
524 | } | |
525 | ||
fd6ac62c LP |
526 | /* We treat EOF, newline and NUL byte all as valid end markers */ |
527 | if (n == 0 || c == '\n' || c == 0) | |
7f4e0805 | 528 | break; |
fd6ac62c | 529 | |
d325f244 FB |
530 | if (c == 4) { /* C-d also known as EOT */ |
531 | if (ttyfd >= 0) | |
e22c60a9 | 532 | (void) loop_write(ttyfd, SKIPPED, SIZE_MAX); |
d325f244 FB |
533 | |
534 | goto skipped; | |
535 | } | |
536 | ||
fd6ac62c | 537 | if (c == 21) { /* C-u */ |
7f4e0805 | 538 | |
9cb5bf91 | 539 | if (!FLAGS_SET(flags, ASK_PASSWORD_SILENT)) |
8e9d1eec | 540 | (void) backspace_string(ttyfd, passphrase); |
fd6ac62c | 541 | |
87f54463 | 542 | explicit_bzero_safe(passphrase, sizeof(passphrase)); |
fd6ac62c | 543 | p = codepoint = 0; |
7f4e0805 | 544 | |
4c701096 | 545 | } else if (IN_SET(c, '\b', 127)) { |
58fc840b LP |
546 | |
547 | if (p > 0) { | |
fd6ac62c | 548 | size_t q; |
58fc840b | 549 | |
9cb5bf91 | 550 | if (!FLAGS_SET(flags, ASK_PASSWORD_SILENT)) |
8e9d1eec | 551 | (void) backspace_chars(ttyfd, 1); |
58fc840b | 552 | |
92e068b4 ZJS |
553 | /* Remove a full UTF-8 codepoint from the end. For that, figure out where the |
554 | * last one begins */ | |
fd6ac62c LP |
555 | q = 0; |
556 | for (;;) { | |
37ca78a3 | 557 | int z; |
fd6ac62c | 558 | |
f5fbe71d | 559 | z = utf8_encoded_valid_unichar(passphrase + q, SIZE_MAX); |
37ca78a3 | 560 | if (z <= 0) { |
f5fbe71d | 561 | q = SIZE_MAX; /* Invalid UTF8! */ |
fd6ac62c LP |
562 | break; |
563 | } | |
564 | ||
565 | if (q + z >= p) /* This one brings us over the edge */ | |
566 | break; | |
567 | ||
568 | q += z; | |
569 | } | |
570 | ||
f5fbe71d | 571 | p = codepoint = q == SIZE_MAX ? p - 1 : q; |
87f54463 | 572 | explicit_bzero_safe(passphrase + p, sizeof(passphrase) - p); |
fd6ac62c | 573 | |
9cb5bf91 | 574 | } else if (!dirty && !FLAGS_SET(flags, ASK_PASSWORD_SILENT)) { |
441dfe09 | 575 | |
e287086b | 576 | flags |= ASK_PASSWORD_SILENT; |
441dfe09 | 577 | |
92e068b4 ZJS |
578 | /* There are two ways to enter silent mode. Either by pressing backspace as |
579 | * first key (and only as first key), or ... */ | |
fd6ac62c | 580 | |
441dfe09 | 581 | if (ttyfd >= 0) |
e22c60a9 | 582 | (void) loop_write(ttyfd, NO_ECHO, SIZE_MAX); |
441dfe09 | 583 | |
58fc840b | 584 | } else if (ttyfd >= 0) |
e22c60a9 | 585 | (void) loop_write(ttyfd, "\a", 1); |
7f4e0805 | 586 | |
9cb5bf91 | 587 | } else if (c == '\t' && !FLAGS_SET(flags, ASK_PASSWORD_SILENT)) { |
58fc840b | 588 | |
8e9d1eec | 589 | (void) backspace_string(ttyfd, passphrase); |
e287086b | 590 | flags |= ASK_PASSWORD_SILENT; |
58fc840b | 591 | |
441dfe09 LP |
592 | /* ... or by pressing TAB at any time. */ |
593 | ||
58fc840b | 594 | if (ttyfd >= 0) |
e22c60a9 | 595 | (void) loop_write(ttyfd, NO_ECHO, SIZE_MAX); |
036eeac5 | 596 | |
fd6ac62c LP |
597 | } else if (p >= sizeof(passphrase)-1) { |
598 | ||
599 | /* Reached the size limit */ | |
600 | if (ttyfd >= 0) | |
e22c60a9 | 601 | (void) loop_write(ttyfd, "\a", 1); |
fd6ac62c LP |
602 | |
603 | } else { | |
7f4e0805 LP |
604 | passphrase[p++] = c; |
605 | ||
9cb5bf91 | 606 | if (!FLAGS_SET(flags, ASK_PASSWORD_SILENT) && ttyfd >= 0) { |
fd6ac62c | 607 | /* Check if we got a complete UTF-8 character now. If so, let's output one '*'. */ |
f5fbe71d | 608 | n = utf8_encoded_valid_unichar(passphrase + codepoint, SIZE_MAX); |
f3149d57 | 609 | if (n >= 0) { |
9cb5bf91 | 610 | if (FLAGS_SET(flags, ASK_PASSWORD_ECHO)) |
e22c60a9 | 611 | (void) loop_write(ttyfd, passphrase + codepoint, n); |
d26eef92 | 612 | else |
e22c60a9 MY |
613 | (void) loop_write(ttyfd, |
614 | special_glyph(SPECIAL_GLYPH_BULLET), | |
615 | SIZE_MAX); | |
f3149d57 | 616 | codepoint = p; |
f3149d57 ZJS |
617 | } |
618 | } | |
441dfe09 LP |
619 | |
620 | dirty = true; | |
7f4e0805 LP |
621 | } |
622 | } | |
623 | ||
981e4cd3 LP |
624 | x = strndup(passphrase, p); |
625 | if (!x) { | |
7f4e0805 LP |
626 | r = -ENOMEM; |
627 | goto finish; | |
628 | } | |
629 | ||
0e28c86f LP |
630 | r = strv_consume(&l, x); |
631 | if (r < 0) | |
c7b7d74e | 632 | goto finish; |
c7b7d74e | 633 | |
d325f244 | 634 | skipped: |
72c08a47 ZJS |
635 | if (strv_isempty(l)) |
636 | r = log_debug_errno(SYNTHETIC_ERRNO(ECANCELED), "Password query was cancelled."); | |
637 | else { | |
638 | if (keyname) | |
639 | (void) add_to_keyring_and_log(keyname, flags, l); | |
640 | ||
641 | *ret = TAKE_PTR(l); | |
642 | r = 0; | |
643 | } | |
7f4e0805 LP |
644 | |
645 | finish: | |
981e4cd3 | 646 | if (ttyfd >= 0 && reset_tty) { |
e22c60a9 | 647 | (void) loop_write(ttyfd, "\n", 1); |
ac7a9674 | 648 | (void) tcsetattr(ttyfd, TCSADRAIN, &old_termios); |
7f4e0805 LP |
649 | } |
650 | ||
651 | return r; | |
652 | } | |
653 | ||
15a3e96f LP |
654 | static int create_socket(char **ret) { |
655 | _cleanup_free_ char *path = NULL; | |
f36a9d59 ZJS |
656 | union sockaddr_union sa; |
657 | socklen_t sa_len; | |
254d1313 | 658 | _cleanup_close_ int fd = -EBADF; |
f36a9d59 | 659 | int r; |
7f4e0805 | 660 | |
15a3e96f | 661 | assert(ret); |
7f4e0805 | 662 | |
e62d8c39 | 663 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
4a62c710 | 664 | if (fd < 0) |
00843602 | 665 | return -errno; |
7f4e0805 | 666 | |
15a3e96f LP |
667 | if (asprintf(&path, "/run/systemd/ask-password/sck.%" PRIx64, random_u64()) < 0) |
668 | return -ENOMEM; | |
669 | ||
f36a9d59 ZJS |
670 | r = sockaddr_un_set_path(&sa.un, path); |
671 | if (r < 0) | |
672 | return r; | |
673 | sa_len = r; | |
7f4e0805 | 674 | |
2053593f | 675 | WITH_UMASK(0177) |
f36a9d59 | 676 | if (bind(fd, &sa.sa, sa_len) < 0) |
00843602 | 677 | return -errno; |
1d6702e8 | 678 | |
2ff48e98 LP |
679 | r = setsockopt_int(fd, SOL_SOCKET, SO_PASSCRED, true); |
680 | if (r < 0) | |
681 | return r; | |
7f4e0805 | 682 | |
15a3e96f LP |
683 | *ret = TAKE_PTR(path); |
684 | return TAKE_FD(fd); | |
7f4e0805 LP |
685 | } |
686 | ||
7f4e0805 LP |
687 | int ask_password_agent( |
688 | const char *message, | |
689 | const char *icon, | |
9fa1de96 | 690 | const char *id, |
e287086b | 691 | const char *keyname, |
7f4e0805 | 692 | usec_t until, |
e287086b LP |
693 | AskPasswordFlags flags, |
694 | char ***ret) { | |
7f4e0805 LP |
695 | |
696 | enum { | |
697 | FD_SOCKET, | |
698 | FD_SIGNAL, | |
c7b7d74e | 699 | FD_INOTIFY, |
7f4e0805 LP |
700 | _FD_MAX |
701 | }; | |
702 | ||
254d1313 | 703 | _cleanup_close_ int socket_fd = -EBADF, signal_fd = -EBADF, notify = -EBADF, fd = -EBADF; |
2b583ce6 | 704 | char temp[] = "/run/systemd/ask-password/tmp.XXXXXX"; |
7f4e0805 | 705 | char final[sizeof(temp)] = ""; |
981e4cd3 | 706 | _cleanup_free_ char *socket_name = NULL; |
c7b7d74e | 707 | _cleanup_strv_free_erase_ char **l = NULL; |
e287086b | 708 | _cleanup_fclose_ FILE *f = NULL; |
7f4e0805 | 709 | struct pollfd pollfd[_FD_MAX]; |
e287086b | 710 | sigset_t mask, oldmask; |
981e4cd3 | 711 | int r; |
7f4e0805 | 712 | |
e287086b | 713 | assert(ret); |
21bc923a | 714 | |
9cb5bf91 | 715 | if (FLAGS_SET(flags, ASK_PASSWORD_NO_AGENT)) |
e287086b | 716 | return -EUNATCH; |
00843602 | 717 | |
72c0a2c2 LP |
718 | assert_se(sigemptyset(&mask) >= 0); |
719 | assert_se(sigset_add_many(&mask, SIGINT, SIGTERM, -1) >= 0); | |
720 | assert_se(sigprocmask(SIG_BLOCK, &mask, &oldmask) >= 0); | |
f9b72cd8 | 721 | |
00843602 | 722 | (void) mkdir_p_label("/run/systemd/ask-password", 0755); |
7f4e0805 | 723 | |
9cb5bf91 | 724 | if (FLAGS_SET(flags, ASK_PASSWORD_ACCEPT_CACHED) && keyname) { |
c7b7d74e XF |
725 | r = ask_password_keyring(keyname, flags, ret); |
726 | if (r >= 0) { | |
727 | r = 0; | |
728 | goto finish; | |
729 | } else if (r != -ENOKEY) | |
730 | goto finish; | |
731 | ||
732 | notify = inotify_init1(IN_CLOEXEC | IN_NONBLOCK); | |
733 | if (notify < 0) { | |
734 | r = -errno; | |
735 | goto finish; | |
736 | } | |
108dfff2 LP |
737 | |
738 | r = RET_NERRNO(inotify_add_watch(notify, "/run/systemd/ask-password", IN_ATTRIB /* for mtime */)); | |
739 | if (r < 0) | |
c7b7d74e | 740 | goto finish; |
c7b7d74e XF |
741 | } |
742 | ||
646853bd | 743 | fd = mkostemp_safe(temp); |
1d6702e8 | 744 | if (fd < 0) { |
709f6e46 | 745 | r = fd; |
7f4e0805 LP |
746 | goto finish; |
747 | } | |
748 | ||
00843602 | 749 | (void) fchmod(fd, 0644); |
7f4e0805 | 750 | |
4fa744a3 | 751 | f = take_fdopen(&fd, "w"); |
981e4cd3 | 752 | if (!f) { |
00843602 | 753 | r = -errno; |
7f4e0805 LP |
754 | goto finish; |
755 | } | |
756 | ||
981e4cd3 LP |
757 | signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); |
758 | if (signal_fd < 0) { | |
00843602 | 759 | r = -errno; |
7f4e0805 LP |
760 | goto finish; |
761 | } | |
762 | ||
981e4cd3 LP |
763 | socket_fd = create_socket(&socket_name); |
764 | if (socket_fd < 0) { | |
7f4e0805 LP |
765 | r = socket_fd; |
766 | goto finish; | |
767 | } | |
768 | ||
769 | fprintf(f, | |
770 | "[Ask]\n" | |
de0671ee | 771 | "PID="PID_FMT"\n" |
7f4e0805 | 772 | "Socket=%s\n" |
21bc923a | 773 | "AcceptCached=%i\n" |
64845bdc | 774 | "Echo=%i\n" |
1fa94a31 SB |
775 | "NotAfter="USEC_FMT"\n" |
776 | "Silent=%i\n", | |
df0ff127 | 777 | getpid_cached(), |
7f4e0805 | 778 | socket_name, |
9cb5bf91 CH |
779 | FLAGS_SET(flags, ASK_PASSWORD_ACCEPT_CACHED), |
780 | FLAGS_SET(flags, ASK_PASSWORD_ECHO), | |
1fa94a31 | 781 | until, |
9cb5bf91 | 782 | FLAGS_SET(flags, ASK_PASSWORD_SILENT)); |
7f4e0805 LP |
783 | |
784 | if (message) | |
785 | fprintf(f, "Message=%s\n", message); | |
786 | ||
787 | if (icon) | |
788 | fprintf(f, "Icon=%s\n", icon); | |
789 | ||
9fa1de96 DH |
790 | if (id) |
791 | fprintf(f, "Id=%s\n", id); | |
792 | ||
dacd6cee | 793 | r = fflush_and_check(f); |
00843602 | 794 | if (r < 0) |
7f4e0805 | 795 | goto finish; |
7f4e0805 LP |
796 | |
797 | memcpy(final, temp, sizeof(temp)); | |
798 | ||
799 | final[sizeof(final)-11] = 'a'; | |
800 | final[sizeof(final)-10] = 's'; | |
801 | final[sizeof(final)-9] = 'k'; | |
802 | ||
108dfff2 LP |
803 | r = RET_NERRNO(rename(temp, final)); |
804 | if (r < 0) | |
7f4e0805 | 805 | goto finish; |
7f4e0805 LP |
806 | |
807 | zero(pollfd); | |
808 | pollfd[FD_SOCKET].fd = socket_fd; | |
809 | pollfd[FD_SOCKET].events = POLLIN; | |
810 | pollfd[FD_SIGNAL].fd = signal_fd; | |
811 | pollfd[FD_SIGNAL].events = POLLIN; | |
c7b7d74e XF |
812 | pollfd[FD_INOTIFY].fd = notify; |
813 | pollfd[FD_INOTIFY].events = POLLIN; | |
7f4e0805 LP |
814 | |
815 | for (;;) { | |
fb29cdbe | 816 | CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(struct ucred))) control; |
7f4e0805 | 817 | char passphrase[LINE_MAX+1]; |
7f4e0805 LP |
818 | struct iovec iovec; |
819 | struct ucred *ucred; | |
d9e2af0a | 820 | usec_t timeout; |
7f4e0805 | 821 | ssize_t n; |
7f4e0805 | 822 | |
d9e2af0a YW |
823 | if (until > 0) |
824 | timeout = usec_sub_unsigned(until, now(CLOCK_MONOTONIC)); | |
825 | else | |
826 | timeout = USEC_INFINITY; | |
7f4e0805 | 827 | |
d9e2af0a YW |
828 | r = ppoll_usec(pollfd, notify >= 0 ? _FD_MAX : _FD_MAX - 1, timeout); |
829 | if (r == -EINTR) | |
830 | continue; | |
831 | if (r < 0) | |
7f4e0805 | 832 | goto finish; |
d9e2af0a | 833 | if (r == 0) { |
7f4e0805 LP |
834 | r = -ETIME; |
835 | goto finish; | |
836 | } | |
837 | ||
21bc923a LP |
838 | if (pollfd[FD_SIGNAL].revents & POLLIN) { |
839 | r = -EINTR; | |
840 | goto finish; | |
841 | } | |
7f4e0805 | 842 | |
c7b7d74e XF |
843 | if (notify >= 0 && pollfd[FD_INOTIFY].revents != 0) { |
844 | (void) flush_fd(notify); | |
845 | ||
846 | r = ask_password_keyring(keyname, flags, ret); | |
847 | if (r >= 0) { | |
848 | r = 0; | |
849 | goto finish; | |
850 | } else if (r != -ENOKEY) | |
851 | goto finish; | |
852 | } | |
853 | ||
854 | if (pollfd[FD_SOCKET].revents == 0) | |
855 | continue; | |
856 | ||
7f4e0805 | 857 | if (pollfd[FD_SOCKET].revents != POLLIN) { |
7f4e0805 LP |
858 | r = -EIO; |
859 | goto finish; | |
860 | } | |
861 | ||
5cfa2c3d | 862 | iovec = IOVEC_MAKE(passphrase, sizeof(passphrase)); |
7f4e0805 | 863 | |
41ab8c67 LP |
864 | struct msghdr msghdr = { |
865 | .msg_iov = &iovec, | |
866 | .msg_iovlen = 1, | |
867 | .msg_control = &control, | |
868 | .msg_controllen = sizeof(control), | |
869 | }; | |
7f4e0805 | 870 | |
3691bcf3 | 871 | n = recvmsg_safe(socket_fd, &msghdr, 0); |
bb44fd07 ZJS |
872 | if (ERRNO_IS_NEG_TRANSIENT(n)) |
873 | continue; | |
874 | else if (n == -EXFULL) { | |
875 | log_debug("Got message with truncated control data, ignoring."); | |
876 | continue; | |
877 | } else if (n < 0) { | |
3691bcf3 | 878 | r = (int) n; |
7f4e0805 LP |
879 | goto finish; |
880 | } | |
881 | ||
692597c8 LP |
882 | CLEANUP_ERASE(passphrase); |
883 | ||
1c8da044 LP |
884 | cmsg_close_all(&msghdr); |
885 | ||
8add30a0 | 886 | if (n == 0) { |
00843602 | 887 | log_debug("Message too short"); |
7f4e0805 LP |
888 | continue; |
889 | } | |
890 | ||
371d72e0 LP |
891 | ucred = CMSG_FIND_DATA(&msghdr, SOL_SOCKET, SCM_CREDENTIALS, struct ucred); |
892 | if (!ucred) { | |
00843602 | 893 | log_debug("Received message without credentials. Ignoring."); |
7f4e0805 LP |
894 | continue; |
895 | } | |
896 | ||
7f4e0805 | 897 | if (ucred->uid != 0) { |
00843602 | 898 | log_debug("Got request from unprivileged user. Ignoring."); |
7f4e0805 LP |
899 | continue; |
900 | } | |
901 | ||
902 | if (passphrase[0] == '+') { | |
e287086b | 903 | /* An empty message refers to the empty password */ |
8254a475 | 904 | if (n == 1) |
bea1a013 | 905 | l = strv_new(""); |
8254a475 LP |
906 | else |
907 | l = strv_parse_nulstr(passphrase+1, n-1); | |
8254a475 | 908 | if (!l) { |
7f4e0805 LP |
909 | r = -ENOMEM; |
910 | goto finish; | |
911 | } | |
912 | ||
58629001 | 913 | if (strv_isempty(l)) { |
e287086b | 914 | l = strv_free(l); |
00843602 | 915 | log_debug("Invalid packet"); |
21bc923a LP |
916 | continue; |
917 | } | |
918 | ||
e287086b LP |
919 | break; |
920 | } | |
21bc923a | 921 | |
e287086b | 922 | if (passphrase[0] == '-') { |
7f4e0805 LP |
923 | r = -ECANCELED; |
924 | goto finish; | |
7f4e0805 LP |
925 | } |
926 | ||
e287086b | 927 | log_debug("Invalid packet"); |
7f4e0805 LP |
928 | } |
929 | ||
e287086b LP |
930 | if (keyname) |
931 | (void) add_to_keyring_and_log(keyname, flags, l); | |
932 | ||
ae2a15bc | 933 | *ret = TAKE_PTR(l); |
7f4e0805 LP |
934 | r = 0; |
935 | ||
936 | finish: | |
981e4cd3 | 937 | if (socket_name) |
00843602 | 938 | (void) unlink(socket_name); |
7f4e0805 | 939 | |
00843602 | 940 | (void) unlink(temp); |
7f4e0805 LP |
941 | |
942 | if (final[0]) | |
00843602 | 943 | (void) unlink(final); |
7f4e0805 | 944 | |
f9b72cd8 | 945 | assert_se(sigprocmask(SIG_SETMASK, &oldmask, NULL) == 0); |
7f4e0805 LP |
946 | return r; |
947 | } | |
260ab287 | 948 | |
8806bb4b LP |
949 | static int ask_password_credential(const char *credential_name, AskPasswordFlags flags, char ***ret) { |
950 | _cleanup_(erase_and_freep) char *buffer = NULL; | |
951 | size_t size; | |
952 | char **l; | |
953 | int r; | |
954 | ||
955 | assert(credential_name); | |
956 | assert(ret); | |
957 | ||
958 | r = read_credential(credential_name, (void**) &buffer, &size); | |
959 | if (IN_SET(r, -ENXIO, -ENOENT)) /* No credentials passed or this credential not defined? */ | |
960 | return -ENOKEY; | |
961 | ||
962 | l = strv_parse_nulstr(buffer, size); | |
963 | if (!l) | |
964 | return -ENOMEM; | |
965 | ||
966 | *ret = l; | |
967 | return 0; | |
968 | } | |
969 | ||
00843602 LP |
970 | int ask_password_auto( |
971 | const char *message, | |
972 | const char *icon, | |
8806bb4b LP |
973 | const char *id, /* id in "ask-password" protocol */ |
974 | const char *key_name, /* name in kernel keyring */ | |
975 | const char *credential_name, /* name in $CREDENTIALS_DIRECTORY directory */ | |
00843602 | 976 | usec_t until, |
e287086b LP |
977 | AskPasswordFlags flags, |
978 | char ***ret) { | |
00843602 LP |
979 | |
980 | int r; | |
981 | ||
e287086b | 982 | assert(ret); |
21bc923a | 983 | |
9cb5bf91 | 984 | if (!FLAGS_SET(flags, ASK_PASSWORD_NO_CREDENTIAL) && credential_name) { |
8806bb4b LP |
985 | r = ask_password_credential(credential_name, flags, ret); |
986 | if (r != -ENOKEY) | |
987 | return r; | |
988 | } | |
989 | ||
9cb5bf91 | 990 | if (FLAGS_SET(flags, ASK_PASSWORD_ACCEPT_CACHED) && |
8806bb4b | 991 | key_name && |
9cb5bf91 CH |
992 | (FLAGS_SET(flags, ASK_PASSWORD_NO_TTY) || !isatty(STDIN_FILENO)) && |
993 | FLAGS_SET(flags, ASK_PASSWORD_NO_AGENT)) { | |
8806bb4b | 994 | r = ask_password_keyring(key_name, flags, ret); |
e287086b LP |
995 | if (r != -ENOKEY) |
996 | return r; | |
997 | } | |
998 | ||
9cb5bf91 | 999 | if (!FLAGS_SET(flags, ASK_PASSWORD_NO_TTY) && isatty(STDIN_FILENO)) |
8806bb4b | 1000 | return ask_password_tty(-1, message, key_name, until, flags, NULL, ret); |
00843602 | 1001 | |
9cb5bf91 | 1002 | if (!FLAGS_SET(flags, ASK_PASSWORD_NO_AGENT)) |
8806bb4b | 1003 | return ask_password_agent(message, icon, id, key_name, until, flags, ret); |
e287086b LP |
1004 | |
1005 | return -EUNATCH; | |
260ab287 | 1006 | } |