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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
450442cf LP |
2 | |
3 | #include <getopt.h> | |
4 | ||
450442cf | 5 | #include "sd-bus.h" |
dcd26523 | 6 | #include "sd-device.h" |
450442cf | 7 | |
d6b4d1c7 | 8 | #include "build.h" |
450442cf | 9 | #include "bus-error.h" |
9b71e4ab | 10 | #include "bus-locator.h" |
450442cf | 11 | #include "bus-unit-util.h" |
e45c81b8 | 12 | #include "bus-wait-for-jobs.h" |
f461a28d | 13 | #include "chase.h" |
8437c059 | 14 | #include "device-util.h" |
6f6165bf | 15 | #include "dirent-util.h" |
450442cf | 16 | #include "escape.h" |
9017f5d8 | 17 | #include "fd-util.h" |
6f6165bf | 18 | #include "fileio.h" |
6ae6ea55 | 19 | #include "format-table.h" |
ca78ad1d | 20 | #include "format-util.h" |
f4938c2e | 21 | #include "fs-util.h" |
450442cf | 22 | #include "fstab-util.h" |
7d991d48 | 23 | #include "libmount-util.h" |
f2fae6fb | 24 | #include "main-func.h" |
e2be442e | 25 | #include "mount-util.h" |
049af8ad | 26 | #include "mountpoint-util.h" |
450442cf | 27 | #include "pager.h" |
599c7c54 | 28 | #include "parse-argument.h" |
450442cf LP |
29 | #include "parse-util.h" |
30 | #include "path-util.h" | |
294bf0c3 | 31 | #include "pretty-print.h" |
2306d177 | 32 | #include "process-util.h" |
760877e9 | 33 | #include "sort-util.h" |
450442cf | 34 | #include "spawn-polkit-agent.h" |
6f6165bf | 35 | #include "stat-util.h" |
450442cf | 36 | #include "strv.h" |
760877e9 | 37 | #include "terminal-util.h" |
9269296d | 38 | #include "umask-util.h" |
89ada3ba | 39 | #include "unit-def.h" |
450442cf | 40 | #include "unit-name.h" |
e09fc884 | 41 | #include "user-util.h" |
450442cf LP |
42 | |
43 | enum { | |
44 | ACTION_DEFAULT, | |
45 | ACTION_MOUNT, | |
46 | ACTION_AUTOMOUNT, | |
c37fb55b | 47 | ACTION_UMOUNT, |
450442cf LP |
48 | ACTION_LIST, |
49 | } arg_action = ACTION_DEFAULT; | |
50 | ||
51 | static bool arg_no_block = false; | |
0221d68a | 52 | static PagerFlags arg_pager_flags = 0; |
a5279634 | 53 | static bool arg_legend = true; |
a362c069 | 54 | static bool arg_full = false; |
450442cf LP |
55 | static bool arg_ask_password = true; |
56 | static bool arg_quiet = false; | |
57 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; | |
4870133b | 58 | static RuntimeScope arg_runtime_scope = RUNTIME_SCOPE_SYSTEM; |
450442cf LP |
59 | static const char *arg_host = NULL; |
60 | static bool arg_discover = false; | |
61 | static char *arg_mount_what = NULL; | |
62 | static char *arg_mount_where = NULL; | |
63 | static char *arg_mount_type = NULL; | |
64 | static char *arg_mount_options = NULL; | |
65 | static char *arg_description = NULL; | |
66 | static char **arg_property = NULL; | |
67 | static usec_t arg_timeout_idle = USEC_INFINITY; | |
68 | static bool arg_timeout_idle_set = false; | |
69 | static char **arg_automount_property = NULL; | |
70 | static int arg_bind_device = -1; | |
e09fc884 ZJS |
71 | static uid_t arg_uid = UID_INVALID; |
72 | static gid_t arg_gid = GID_INVALID; | |
450442cf | 73 | static bool arg_fsck = true; |
dc336483 | 74 | static bool arg_aggressive_gc = false; |
2322c6c7 | 75 | static bool arg_tmpfs = false; |
450442cf | 76 | |
f2fae6fb YW |
77 | STATIC_DESTRUCTOR_REGISTER(arg_mount_what, freep); |
78 | STATIC_DESTRUCTOR_REGISTER(arg_mount_where, freep); | |
79 | STATIC_DESTRUCTOR_REGISTER(arg_mount_type, freep); | |
80 | STATIC_DESTRUCTOR_REGISTER(arg_mount_options, freep); | |
81 | STATIC_DESTRUCTOR_REGISTER(arg_description, freep); | |
82 | STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep); | |
83 | STATIC_DESTRUCTOR_REGISTER(arg_automount_property, strv_freep); | |
84 | ||
2322c6c7 | 85 | static int parse_where(const char *input, char **ret_where) { |
2322c6c7 LB |
86 | int r; |
87 | ||
88 | assert(input); | |
89 | assert(ret_where); | |
90 | ||
91 | if (arg_transport == BUS_TRANSPORT_LOCAL) { | |
660087dc | 92 | r = chase(input, NULL, CHASE_NONEXISTENT, ret_where, NULL); |
2322c6c7 LB |
93 | if (r < 0) |
94 | return log_error_errno(r, "Failed to make path %s absolute: %m", input); | |
95 | } else { | |
660087dc | 96 | if (!path_is_absolute(input)) |
2322c6c7 LB |
97 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
98 | "Path must be absolute when operating remotely: %s", | |
660087dc ZJS |
99 | input); |
100 | ||
101 | r = path_simplify_alloc(input, ret_where); | |
102 | if (r < 0) | |
103 | return log_error_errno(r, "Failed to simplify path %s: %m", input); | |
2322c6c7 LB |
104 | } |
105 | ||
2322c6c7 LB |
106 | return 0; |
107 | } | |
108 | ||
37ec0fdd LP |
109 | static int help(void) { |
110 | _cleanup_free_ char *link = NULL; | |
111 | int r; | |
112 | ||
113 | r = terminal_urlify_man("systemd-mount", "1", &link); | |
114 | if (r < 0) | |
115 | return log_oom(); | |
116 | ||
9017f5d8 | 117 | printf("systemd-mount [OPTIONS...] WHAT [WHERE]\n" |
2322c6c7 | 118 | "systemd-mount [OPTIONS...] --tmpfs [NAME] WHERE\n" |
9017f5d8 YW |
119 | "systemd-mount [OPTIONS...] --list\n" |
120 | "%s [OPTIONS...] %sWHAT|WHERE...\n\n" | |
450442cf LP |
121 | "Establish a mount or auto-mount point transiently.\n\n" |
122 | " -h --help Show this help\n" | |
123 | " --version Show package version\n" | |
124 | " --no-block Do not wait until operation finished\n" | |
125 | " --no-pager Do not pipe output into a pager\n" | |
a5279634 | 126 | " --no-legend Do not show the headers\n" |
a362c069 | 127 | " -l --full Do not ellipsize output\n" |
450442cf LP |
128 | " --no-ask-password Do not prompt for password\n" |
129 | " -q --quiet Suppress information messages during runtime\n" | |
130 | " --user Run as user unit\n" | |
131 | " -H --host=[USER@]HOST Operate on remote host\n" | |
132 | " -M --machine=CONTAINER Operate on local container\n" | |
133 | " --discover Discover mount device metadata\n" | |
134 | " -t --type=TYPE File system type\n" | |
135 | " -o --options=OPTIONS Mount options\n" | |
e09fc884 | 136 | " --owner=USER Add uid= and gid= options for USER\n" |
450442cf LP |
137 | " --fsck=no Don't run file system check before mount\n" |
138 | " --description=TEXT Description for unit\n" | |
139 | " -p --property=NAME=VALUE Set mount unit property\n" | |
140 | " -A --automount=BOOL Create an auto-mount point\n" | |
141 | " --timeout-idle-sec=SEC Specify automount idle timeout\n" | |
142 | " --automount-property=NAME=VALUE\n" | |
143 | " Set automount unit property\n" | |
144 | " --bind-device Bind automount unit to device\n" | |
145 | " --list List mountable block devices\n" | |
dc336483 | 146 | " -u --umount Unmount mount points\n" |
37ec0fdd | 147 | " -G --collect Unload unit after it stopped, even when failed\n" |
2322c6c7 | 148 | " -T --tmpfs Create a new tmpfs on the mount point\n" |
bc556335 DDM |
149 | "\nSee the %s for details.\n", |
150 | program_invocation_short_name, | |
151 | streq(program_invocation_short_name, "systemd-umount") ? "" : "--umount ", | |
152 | link); | |
37ec0fdd LP |
153 | |
154 | return 0; | |
450442cf LP |
155 | } |
156 | ||
157 | static int parse_argv(int argc, char *argv[]) { | |
158 | ||
159 | enum { | |
160 | ARG_VERSION = 0x100, | |
161 | ARG_NO_BLOCK, | |
162 | ARG_NO_PAGER, | |
a5279634 | 163 | ARG_NO_LEGEND, |
450442cf LP |
164 | ARG_NO_ASK_PASSWORD, |
165 | ARG_USER, | |
166 | ARG_SYSTEM, | |
167 | ARG_DISCOVER, | |
168 | ARG_MOUNT_TYPE, | |
169 | ARG_MOUNT_OPTIONS, | |
e09fc884 | 170 | ARG_OWNER, |
450442cf LP |
171 | ARG_FSCK, |
172 | ARG_DESCRIPTION, | |
173 | ARG_TIMEOUT_IDLE, | |
174 | ARG_AUTOMOUNT, | |
175 | ARG_AUTOMOUNT_PROPERTY, | |
176 | ARG_BIND_DEVICE, | |
177 | ARG_LIST, | |
178 | }; | |
179 | ||
180 | static const struct option options[] = { | |
181 | { "help", no_argument, NULL, 'h' }, | |
182 | { "version", no_argument, NULL, ARG_VERSION }, | |
183 | { "no-block", no_argument, NULL, ARG_NO_BLOCK }, | |
184 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
a5279634 | 185 | { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, |
a362c069 | 186 | { "full", no_argument, NULL, 'l' }, |
450442cf LP |
187 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, |
188 | { "quiet", no_argument, NULL, 'q' }, | |
189 | { "user", no_argument, NULL, ARG_USER }, | |
190 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
191 | { "host", required_argument, NULL, 'H' }, | |
192 | { "machine", required_argument, NULL, 'M' }, | |
193 | { "discover", no_argument, NULL, ARG_DISCOVER }, | |
194 | { "type", required_argument, NULL, 't' }, | |
195 | { "options", required_argument, NULL, 'o' }, | |
e09fc884 | 196 | { "owner", required_argument, NULL, ARG_OWNER }, |
0f923832 | 197 | { "fsck", required_argument, NULL, ARG_FSCK }, |
450442cf LP |
198 | { "description", required_argument, NULL, ARG_DESCRIPTION }, |
199 | { "property", required_argument, NULL, 'p' }, | |
200 | { "automount", required_argument, NULL, ARG_AUTOMOUNT }, | |
201 | { "timeout-idle-sec", required_argument, NULL, ARG_TIMEOUT_IDLE }, | |
202 | { "automount-property", required_argument, NULL, ARG_AUTOMOUNT_PROPERTY }, | |
203 | { "bind-device", no_argument, NULL, ARG_BIND_DEVICE }, | |
204 | { "list", no_argument, NULL, ARG_LIST }, | |
c37fb55b | 205 | { "umount", no_argument, NULL, 'u' }, |
52a1e91e | 206 | { "unmount", no_argument, NULL, 'u' }, /* Compat spelling */ |
dc336483 | 207 | { "collect", no_argument, NULL, 'G' }, |
2322c6c7 | 208 | { "tmpfs", no_argument, NULL, 'T' }, |
450442cf LP |
209 | {}, |
210 | }; | |
211 | ||
212 | int r, c; | |
213 | ||
214 | assert(argc >= 0); | |
215 | assert(argv); | |
216 | ||
2306d177 LP |
217 | if (invoked_as(argv, "systemd-umount")) |
218 | arg_action = ACTION_UMOUNT; | |
c37fb55b | 219 | |
2322c6c7 | 220 | while ((c = getopt_long(argc, argv, "hqH:M:t:o:p:AuGlT", options, NULL)) >= 0) |
450442cf LP |
221 | |
222 | switch (c) { | |
223 | ||
224 | case 'h': | |
37ec0fdd | 225 | return help(); |
450442cf LP |
226 | |
227 | case ARG_VERSION: | |
228 | return version(); | |
229 | ||
230 | case ARG_NO_BLOCK: | |
231 | arg_no_block = true; | |
232 | break; | |
233 | ||
234 | case ARG_NO_PAGER: | |
0221d68a | 235 | arg_pager_flags |= PAGER_DISABLE; |
450442cf LP |
236 | break; |
237 | ||
a5279634 YW |
238 | case ARG_NO_LEGEND: |
239 | arg_legend = false; | |
240 | break; | |
241 | ||
a362c069 YW |
242 | case 'l': |
243 | arg_full = true; | |
244 | break; | |
245 | ||
450442cf LP |
246 | case ARG_NO_ASK_PASSWORD: |
247 | arg_ask_password = false; | |
248 | break; | |
249 | ||
250 | case 'q': | |
251 | arg_quiet = true; | |
252 | break; | |
253 | ||
254 | case ARG_USER: | |
4870133b | 255 | arg_runtime_scope = RUNTIME_SCOPE_USER; |
450442cf LP |
256 | break; |
257 | ||
258 | case ARG_SYSTEM: | |
4870133b | 259 | arg_runtime_scope = RUNTIME_SCOPE_SYSTEM; |
450442cf LP |
260 | break; |
261 | ||
262 | case 'H': | |
263 | arg_transport = BUS_TRANSPORT_REMOTE; | |
264 | arg_host = optarg; | |
265 | break; | |
266 | ||
267 | case 'M': | |
268 | arg_transport = BUS_TRANSPORT_MACHINE; | |
269 | arg_host = optarg; | |
270 | break; | |
271 | ||
272 | case ARG_DISCOVER: | |
273 | arg_discover = true; | |
274 | break; | |
275 | ||
276 | case 't': | |
b3f9c17a YW |
277 | r = free_and_strdup_warn(&arg_mount_type, optarg); |
278 | if (r < 0) | |
279 | return r; | |
450442cf LP |
280 | break; |
281 | ||
282 | case 'o': | |
b3f9c17a YW |
283 | r = free_and_strdup_warn(&arg_mount_options, optarg); |
284 | if (r < 0) | |
285 | return r; | |
450442cf LP |
286 | break; |
287 | ||
e09fc884 ZJS |
288 | case ARG_OWNER: { |
289 | const char *user = optarg; | |
290 | ||
fafff8f1 | 291 | r = get_user_creds(&user, &arg_uid, &arg_gid, NULL, NULL, 0); |
e09fc884 ZJS |
292 | if (r < 0) |
293 | return log_error_errno(r, | |
294 | r == -EBADMSG ? "UID or GID of user %s are invalid." | |
295 | : "Cannot use \"%s\" as owner: %m", | |
296 | optarg); | |
297 | break; | |
298 | } | |
299 | ||
450442cf | 300 | case ARG_FSCK: |
599c7c54 | 301 | r = parse_boolean_argument("--fsck=", optarg, &arg_fsck); |
450442cf | 302 | if (r < 0) |
599c7c54 | 303 | return r; |
450442cf LP |
304 | break; |
305 | ||
306 | case ARG_DESCRIPTION: | |
b3f9c17a YW |
307 | r = free_and_strdup_warn(&arg_description, optarg); |
308 | if (r < 0) | |
309 | return r; | |
450442cf LP |
310 | break; |
311 | ||
312 | case 'p': | |
313 | if (strv_extend(&arg_property, optarg) < 0) | |
314 | return log_oom(); | |
315 | ||
316 | break; | |
317 | ||
318 | case 'A': | |
319 | arg_action = ACTION_AUTOMOUNT; | |
320 | break; | |
321 | ||
322 | case ARG_AUTOMOUNT: | |
c3470872 | 323 | r = parse_boolean_argument("--automount=", optarg, NULL); |
450442cf | 324 | if (r < 0) |
c3470872 | 325 | return r; |
450442cf LP |
326 | |
327 | arg_action = r ? ACTION_AUTOMOUNT : ACTION_MOUNT; | |
328 | break; | |
329 | ||
330 | case ARG_TIMEOUT_IDLE: | |
331 | r = parse_sec(optarg, &arg_timeout_idle); | |
332 | if (r < 0) | |
333 | return log_error_errno(r, "Failed to parse timeout: %s", optarg); | |
334 | ||
335 | break; | |
336 | ||
337 | case ARG_AUTOMOUNT_PROPERTY: | |
338 | if (strv_extend(&arg_automount_property, optarg) < 0) | |
339 | return log_oom(); | |
340 | ||
341 | break; | |
342 | ||
343 | case ARG_BIND_DEVICE: | |
344 | arg_bind_device = true; | |
345 | break; | |
346 | ||
347 | case ARG_LIST: | |
348 | arg_action = ACTION_LIST; | |
349 | break; | |
350 | ||
c37fb55b LR |
351 | case 'u': |
352 | arg_action = ACTION_UMOUNT; | |
353 | break; | |
354 | ||
dc336483 YW |
355 | case 'G': |
356 | arg_aggressive_gc = true; | |
357 | break; | |
358 | ||
2322c6c7 LB |
359 | case 'T': |
360 | arg_tmpfs = true; | |
361 | break; | |
362 | ||
450442cf LP |
363 | case '?': |
364 | return -EINVAL; | |
365 | ||
366 | default: | |
04499a70 | 367 | assert_not_reached(); |
450442cf LP |
368 | } |
369 | ||
4870133b | 370 | if (arg_runtime_scope == RUNTIME_SCOPE_USER) { |
966f3a24 LP |
371 | arg_ask_password = false; |
372 | ||
4870133b LP |
373 | if (arg_transport != BUS_TRANSPORT_LOCAL) |
374 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
375 | "Execution in user context is not supported on non-local systems."); | |
376 | } | |
450442cf LP |
377 | |
378 | if (arg_action == ACTION_LIST) { | |
baaa35ad ZJS |
379 | if (optind < argc) |
380 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
381 | "Too many arguments."); | |
450442cf | 382 | |
baaa35ad ZJS |
383 | if (arg_transport != BUS_TRANSPORT_LOCAL) |
384 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
385 | "Listing devices only supported locally."); | |
9017f5d8 | 386 | } else if (arg_action == ACTION_UMOUNT) { |
baaa35ad ZJS |
387 | if (optind >= argc) |
388 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
389 | "At least one argument required."); | |
9017f5d8 | 390 | |
857127f1 ZJS |
391 | if (arg_transport != BUS_TRANSPORT_LOCAL) |
392 | for (int i = optind; i < argc; i++) | |
393 | if (!path_is_absolute(argv[i])) | |
baaa35ad | 394 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
2322c6c7 LB |
395 | "Path must be absolute when operating remotely: %s", |
396 | argv[i]); | |
450442cf | 397 | } else { |
baaa35ad ZJS |
398 | if (optind >= argc) |
399 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
400 | "At least one argument required."); | |
450442cf | 401 | |
baaa35ad ZJS |
402 | if (argc > optind+2) |
403 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
52a1e91e | 404 | "More than two arguments are not allowed."); |
450442cf | 405 | |
2322c6c7 LB |
406 | if (arg_tmpfs) { |
407 | if (argc <= optind+1) { | |
408 | arg_mount_what = strdup("tmpfs"); | |
409 | if (!arg_mount_what) | |
410 | return log_oom(); | |
e2be442e | 411 | |
2322c6c7 LB |
412 | r = parse_where(argv[optind], &arg_mount_where); |
413 | if (r < 0) | |
414 | return r; | |
415 | } else { | |
416 | arg_mount_what = strdup(argv[optind]); | |
417 | if (!arg_mount_what) | |
418 | return log_oom(); | |
419 | } | |
450442cf | 420 | |
2322c6c7 LB |
421 | if (!strv_contains(arg_property, "Type=tmpfs") && |
422 | strv_extend(&arg_property, "Type=tmpfs") < 0) | |
afde5b16 | 423 | return log_oom(); |
afde5b16 | 424 | } else { |
2322c6c7 LB |
425 | if (arg_mount_type && !fstype_is_blockdev_backed(arg_mount_type)) { |
426 | arg_mount_what = strdup(argv[optind]); | |
427 | if (!arg_mount_what) | |
428 | return log_oom(); | |
afde5b16 | 429 | |
2322c6c7 LB |
430 | } else if (arg_transport == BUS_TRANSPORT_LOCAL) { |
431 | _cleanup_free_ char *u = NULL; | |
afde5b16 | 432 | |
2322c6c7 LB |
433 | u = fstab_node_to_udev_node(argv[optind]); |
434 | if (!u) | |
435 | return log_oom(); | |
afde5b16 | 436 | |
2322c6c7 | 437 | r = chase(u, NULL, 0, &arg_mount_what, NULL); |
afde5b16 | 438 | if (r < 0) |
2322c6c7 | 439 | return log_error_errno(r, "Failed to make path %s absolute: %m", u); |
afde5b16 | 440 | |
660087dc ZJS |
441 | } else { |
442 | if (!path_is_absolute(argv[optind])) | |
baaa35ad | 443 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
2322c6c7 | 444 | "Path must be absolute when operating remotely: %s", |
660087dc ZJS |
445 | argv[optind]); |
446 | ||
447 | r = path_simplify_alloc(argv[optind], &arg_mount_what); | |
448 | if (r < 0) | |
449 | return log_error_errno(r, "Failed to simplify path: %m"); | |
afde5b16 | 450 | } |
2322c6c7 LB |
451 | } |
452 | ||
453 | if (argc > optind+1) { | |
454 | r = parse_where(argv[optind+1], &arg_mount_where); | |
455 | if (r < 0) | |
456 | return r; | |
457 | } else if (!arg_tmpfs) | |
450442cf LP |
458 | arg_discover = true; |
459 | ||
baaa35ad ZJS |
460 | if (arg_discover && arg_transport != BUS_TRANSPORT_LOCAL) |
461 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
462 | "Automatic mount location discovery is only supported locally."); | |
450442cf LP |
463 | } |
464 | ||
465 | return 1; | |
466 | } | |
467 | ||
89ada3ba | 468 | static int transient_unit_set_properties(sd_bus_message *m, UnitType t, char **properties) { |
450442cf LP |
469 | int r; |
470 | ||
05b4d3b5 AK |
471 | if (!isempty(arg_description)) { |
472 | r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description); | |
473 | if (r < 0) | |
474 | return r; | |
475 | } | |
450442cf LP |
476 | |
477 | if (arg_bind_device && is_device_path(arg_mount_what)) { | |
478 | _cleanup_free_ char *device_unit = NULL; | |
479 | ||
480 | r = unit_name_from_path(arg_mount_what, ".device", &device_unit); | |
481 | if (r < 0) | |
482 | return r; | |
483 | ||
484 | r = sd_bus_message_append(m, "(sv)(sv)", | |
485 | "After", "as", 1, device_unit, | |
486 | "BindsTo", "as", 1, device_unit); | |
487 | if (r < 0) | |
488 | return r; | |
489 | } | |
490 | ||
dc336483 YW |
491 | if (arg_aggressive_gc) { |
492 | r = sd_bus_message_append(m, "(sv)", "CollectMode", "s", "inactive-or-failed"); | |
493 | if (r < 0) | |
494 | return r; | |
495 | } | |
496 | ||
89ada3ba | 497 | r = bus_append_unit_property_assignment_many(m, t, properties); |
450442cf LP |
498 | if (r < 0) |
499 | return r; | |
500 | ||
501 | return 0; | |
502 | } | |
503 | ||
504 | static int transient_mount_set_properties(sd_bus_message *m) { | |
505 | int r; | |
506 | ||
507 | assert(m); | |
508 | ||
89ada3ba | 509 | r = transient_unit_set_properties(m, UNIT_MOUNT, arg_property); |
450442cf LP |
510 | if (r < 0) |
511 | return r; | |
512 | ||
513 | if (arg_mount_what) { | |
514 | r = sd_bus_message_append(m, "(sv)", "What", "s", arg_mount_what); | |
515 | if (r < 0) | |
516 | return r; | |
517 | } | |
518 | ||
519 | if (arg_mount_type) { | |
520 | r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_mount_type); | |
521 | if (r < 0) | |
522 | return r; | |
523 | } | |
524 | ||
9269296d ZJS |
525 | _cleanup_free_ char *options = NULL; |
526 | ||
e09fc884 ZJS |
527 | /* Prepend uid=…,gid=… if arg_uid is set */ |
528 | if (arg_uid != UID_INVALID) { | |
9269296d ZJS |
529 | r = strextendf_with_separator(&options, ",", |
530 | "uid="UID_FMT",gid="GID_FMT, arg_uid, arg_gid); | |
450442cf | 531 | if (r < 0) |
9269296d | 532 | return r; |
450442cf LP |
533 | } |
534 | ||
9269296d ZJS |
535 | /* Override the default for tmpfs mounts. The kernel sets the sticky bit on the root directory by |
536 | * default. This makes sense for the case when the user does 'mount -t tmpfs tmpfs /tmp', but less so | |
537 | * for other directories. | |
538 | * | |
539 | * Let's also set some reasonable limits. We use the current umask, to match what a command to create | |
540 | * directory would use, e.g. mkdir. */ | |
541 | if (arg_tmpfs) { | |
542 | mode_t mask; | |
543 | ||
544 | r = get_process_umask(0, &mask); | |
545 | if (r < 0) | |
546 | return r; | |
547 | ||
548 | assert((mask & ~0777) == 0); | |
549 | r = strextendf_with_separator(&options, ",", | |
550 | "mode=0%o,nodev,nosuid%s", 0777 & ~mask, NESTED_TMPFS_LIMITS); | |
551 | if (r < 0) | |
552 | return r; | |
553 | } | |
554 | ||
555 | if (arg_mount_options) | |
556 | if (!strextend_with_separator(&options, ",", arg_mount_options)) | |
82007efa | 557 | return -ENOMEM; |
e09fc884 | 558 | |
9269296d ZJS |
559 | if (options) { |
560 | log_debug("Using mount options: %s", options); | |
561 | r = sd_bus_message_append(m, "(sv)", "Options", "s", options); | |
e09fc884 ZJS |
562 | if (r < 0) |
563 | return r; | |
564 | } else | |
565 | log_debug("Not using any mount options"); | |
566 | ||
450442cf LP |
567 | if (arg_fsck) { |
568 | _cleanup_free_ char *fsck = NULL; | |
569 | ||
570 | r = unit_name_from_path_instance("systemd-fsck", arg_mount_what, ".service", &fsck); | |
571 | if (r < 0) | |
572 | return r; | |
573 | ||
574 | r = sd_bus_message_append(m, | |
575 | "(sv)(sv)", | |
576 | "Requires", "as", 1, fsck, | |
577 | "After", "as", 1, fsck); | |
578 | if (r < 0) | |
579 | return r; | |
580 | } | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | static int transient_automount_set_properties(sd_bus_message *m) { | |
586 | int r; | |
587 | ||
588 | assert(m); | |
589 | ||
89ada3ba | 590 | r = transient_unit_set_properties(m, UNIT_AUTOMOUNT, arg_automount_property); |
450442cf LP |
591 | if (r < 0) |
592 | return r; | |
593 | ||
594 | if (arg_timeout_idle != USEC_INFINITY) { | |
595 | r = sd_bus_message_append(m, "(sv)", "TimeoutIdleUSec", "t", arg_timeout_idle); | |
596 | if (r < 0) | |
597 | return r; | |
598 | } | |
599 | ||
600 | return 0; | |
601 | } | |
602 | ||
603 | static int start_transient_mount( | |
604 | sd_bus *bus, | |
605 | char **argv) { | |
606 | ||
607 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; | |
608 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
609 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
610 | _cleanup_free_ char *mount_unit = NULL; | |
611 | int r; | |
612 | ||
613 | if (!arg_no_block) { | |
614 | r = bus_wait_for_jobs_new(bus, &w); | |
615 | if (r < 0) | |
616 | return log_error_errno(r, "Could not watch jobs: %m"); | |
617 | } | |
618 | ||
619 | r = unit_name_from_path(arg_mount_where, ".mount", &mount_unit); | |
620 | if (r < 0) | |
621 | return log_error_errno(r, "Failed to make mount unit name: %m"); | |
622 | ||
92cb8ebc | 623 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); |
450442cf LP |
624 | if (r < 0) |
625 | return bus_log_create_error(r); | |
626 | ||
627 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
628 | if (r < 0) | |
629 | return bus_log_create_error(r); | |
630 | ||
631 | /* Name and mode */ | |
632 | r = sd_bus_message_append(m, "ss", mount_unit, "fail"); | |
633 | if (r < 0) | |
634 | return bus_log_create_error(r); | |
635 | ||
636 | /* Properties */ | |
637 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
638 | if (r < 0) | |
639 | return bus_log_create_error(r); | |
640 | ||
641 | r = transient_mount_set_properties(m); | |
642 | if (r < 0) | |
643 | return bus_log_create_error(r); | |
644 | ||
645 | r = sd_bus_message_close_container(m); | |
646 | if (r < 0) | |
647 | return bus_log_create_error(r); | |
648 | ||
649 | /* Auxiliary units */ | |
650 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
651 | if (r < 0) | |
652 | return bus_log_create_error(r); | |
653 | ||
8a4b13c5 | 654 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
450442cf LP |
655 | |
656 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
657 | if (r < 0) | |
658 | return log_error_errno(r, "Failed to start transient mount unit: %s", bus_error_message(&error, r)); | |
659 | ||
660 | if (w) { | |
661 | const char *object; | |
662 | ||
663 | r = sd_bus_message_read(reply, "o", &object); | |
664 | if (r < 0) | |
665 | return bus_log_parse_error(r); | |
666 | ||
86980de6 | 667 | r = bus_wait_for_jobs_one(w, object, arg_quiet, NULL); |
450442cf LP |
668 | if (r < 0) |
669 | return r; | |
670 | } | |
671 | ||
672 | if (!arg_quiet) | |
673 | log_info("Started unit %s%s%s for mount point: %s%s%s", | |
674 | ansi_highlight(), mount_unit, ansi_normal(), | |
675 | ansi_highlight(), arg_mount_where, ansi_normal()); | |
676 | ||
677 | return 0; | |
678 | } | |
679 | ||
680 | static int start_transient_automount( | |
681 | sd_bus *bus, | |
682 | char **argv) { | |
683 | ||
684 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; | |
685 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
686 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
687 | _cleanup_free_ char *automount_unit = NULL, *mount_unit = NULL; | |
688 | int r; | |
689 | ||
690 | if (!arg_no_block) { | |
691 | r = bus_wait_for_jobs_new(bus, &w); | |
692 | if (r < 0) | |
693 | return log_error_errno(r, "Could not watch jobs: %m"); | |
694 | } | |
695 | ||
696 | r = unit_name_from_path(arg_mount_where, ".automount", &automount_unit); | |
697 | if (r < 0) | |
698 | return log_error_errno(r, "Failed to make automount unit name: %m"); | |
699 | ||
700 | r = unit_name_from_path(arg_mount_where, ".mount", &mount_unit); | |
701 | if (r < 0) | |
702 | return log_error_errno(r, "Failed to make mount unit name: %m"); | |
703 | ||
92cb8ebc | 704 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); |
450442cf LP |
705 | if (r < 0) |
706 | return bus_log_create_error(r); | |
707 | ||
708 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
709 | if (r < 0) | |
710 | return bus_log_create_error(r); | |
711 | ||
712 | /* Name and mode */ | |
713 | r = sd_bus_message_append(m, "ss", automount_unit, "fail"); | |
714 | if (r < 0) | |
715 | return bus_log_create_error(r); | |
716 | ||
717 | /* Properties */ | |
718 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
719 | if (r < 0) | |
720 | return bus_log_create_error(r); | |
721 | ||
722 | r = transient_automount_set_properties(m); | |
723 | if (r < 0) | |
724 | return bus_log_create_error(r); | |
725 | ||
726 | r = sd_bus_message_close_container(m); | |
727 | if (r < 0) | |
728 | return bus_log_create_error(r); | |
729 | ||
730 | /* Auxiliary units */ | |
731 | r = sd_bus_message_open_container(m, 'a', "(sa(sv))"); | |
732 | if (r < 0) | |
733 | return bus_log_create_error(r); | |
734 | ||
735 | r = sd_bus_message_open_container(m, 'r', "sa(sv)"); | |
736 | if (r < 0) | |
737 | return bus_log_create_error(r); | |
738 | ||
739 | r = sd_bus_message_append(m, "s", mount_unit); | |
740 | if (r < 0) | |
741 | return bus_log_create_error(r); | |
742 | ||
743 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
744 | if (r < 0) | |
745 | return bus_log_create_error(r); | |
746 | ||
747 | r = transient_mount_set_properties(m); | |
748 | if (r < 0) | |
749 | return bus_log_create_error(r); | |
750 | ||
751 | r = sd_bus_message_close_container(m); | |
752 | if (r < 0) | |
753 | return bus_log_create_error(r); | |
754 | ||
755 | r = sd_bus_message_close_container(m); | |
756 | if (r < 0) | |
757 | return bus_log_create_error(r); | |
758 | ||
759 | r = sd_bus_message_close_container(m); | |
760 | if (r < 0) | |
761 | return bus_log_create_error(r); | |
762 | ||
8a4b13c5 | 763 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
450442cf LP |
764 | |
765 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
766 | if (r < 0) | |
767 | return log_error_errno(r, "Failed to start transient automount unit: %s", bus_error_message(&error, r)); | |
768 | ||
769 | if (w) { | |
770 | const char *object; | |
771 | ||
772 | r = sd_bus_message_read(reply, "o", &object); | |
773 | if (r < 0) | |
774 | return bus_log_parse_error(r); | |
775 | ||
86980de6 | 776 | r = bus_wait_for_jobs_one(w, object, arg_quiet, NULL); |
450442cf LP |
777 | if (r < 0) |
778 | return r; | |
779 | } | |
780 | ||
781 | if (!arg_quiet) | |
782 | log_info("Started unit %s%s%s for mount point: %s%s%s", | |
783 | ansi_highlight(), automount_unit, ansi_normal(), | |
784 | ansi_highlight(), arg_mount_where, ansi_normal()); | |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
f0aac575 | 789 | static int find_mount_points(const char *what, char ***list) { |
7d991d48 ZJS |
790 | _cleanup_(mnt_free_tablep) struct libmnt_table *table = NULL; |
791 | _cleanup_(mnt_free_iterp) struct libmnt_iter *iter = NULL; | |
f0aac575 | 792 | _cleanup_strv_free_ char **l = NULL; |
319a4f4b | 793 | size_t n = 0; |
7d991d48 | 794 | int r; |
f0aac575 YW |
795 | |
796 | assert(what); | |
797 | assert(list); | |
798 | ||
799 | /* Returns all mount points obtained from /proc/self/mountinfo in *list, | |
800 | * and the number of mount points as return value. */ | |
801 | ||
e2857b3d | 802 | r = libmount_parse(NULL, NULL, &table, &iter); |
7d991d48 ZJS |
803 | if (r < 0) |
804 | return log_error_errno(r, "Failed to parse /proc/self/mountinfo: %m"); | |
f0aac575 YW |
805 | |
806 | for (;;) { | |
7d991d48 ZJS |
807 | struct libmnt_fs *fs; |
808 | const char *source, *target; | |
f0aac575 | 809 | |
7d991d48 ZJS |
810 | r = mnt_table_next_fs(table, iter, &fs); |
811 | if (r == 1) | |
812 | break; | |
813 | if (r < 0) | |
814 | return log_error_errno(r, "Failed to get next entry from /proc/self/mountinfo: %m"); | |
f0aac575 | 815 | |
7d991d48 ZJS |
816 | source = mnt_fs_get_source(fs); |
817 | target = mnt_fs_get_target(fs); | |
818 | if (!source || !target) | |
f0aac575 YW |
819 | continue; |
820 | ||
7d991d48 | 821 | if (!path_equal(source, what)) |
f0aac575 YW |
822 | continue; |
823 | ||
824 | /* one extra slot is needed for the terminating NULL */ | |
319a4f4b | 825 | if (!GREEDY_REALLOC0(l, n + 2)) |
f0aac575 YW |
826 | return log_oom(); |
827 | ||
7d991d48 ZJS |
828 | l[n] = strdup(target); |
829 | if (!l[n]) | |
830 | return log_oom(); | |
831 | n++; | |
f0aac575 YW |
832 | } |
833 | ||
319a4f4b | 834 | if (!GREEDY_REALLOC0(l, n + 1)) |
290843c3 LP |
835 | return log_oom(); |
836 | ||
ae2a15bc | 837 | *list = TAKE_PTR(l); |
f0aac575 YW |
838 | return n; |
839 | } | |
840 | ||
1480c231 YW |
841 | static int find_loop_device(const char *backing_file, sd_device **ret) { |
842 | _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; | |
1480c231 | 843 | int r; |
f0aac575 YW |
844 | |
845 | assert(backing_file); | |
1480c231 | 846 | assert(ret); |
f0aac575 | 847 | |
1480c231 YW |
848 | r = sd_device_enumerator_new(&e); |
849 | if (r < 0) | |
850 | return log_oom(); | |
f0aac575 | 851 | |
1480c231 YW |
852 | r = sd_device_enumerator_add_match_subsystem(e, "block", /* match = */ true); |
853 | if (r < 0) | |
854 | return log_error_errno(r, "Failed to add subsystem match: %m"); | |
f0aac575 | 855 | |
1480c231 YW |
856 | r = sd_device_enumerator_add_match_property(e, "ID_FS_USAGE", "filesystem"); |
857 | if (r < 0) | |
858 | return log_error_errno(r, "Failed to add property match: %m"); | |
f0aac575 | 859 | |
1480c231 YW |
860 | r = sd_device_enumerator_add_match_sysname(e, "loop*"); |
861 | if (r < 0) | |
862 | return log_error_errno(r, "Failed to add sysname match: %m"); | |
f0aac575 | 863 | |
1480c231 YW |
864 | r = sd_device_enumerator_add_match_sysattr(e, "loop/backing_file", /* value = */ NULL, /* match = */ true); |
865 | if (r < 0) | |
866 | return log_error_errno(r, "Failed to add sysattr match: %m"); | |
867 | ||
868 | FOREACH_DEVICE(e, dev) { | |
869 | const char *s; | |
f0aac575 | 870 | |
1480c231 | 871 | r = sd_device_get_sysattr_value(dev, "loop/backing_file", &s); |
a53dceb7 | 872 | if (r < 0) { |
1480c231 | 873 | log_device_debug_errno(dev, r, "Failed to read \"loop/backing_file\" sysattr, ignoring: %m"); |
f0aac575 | 874 | continue; |
a53dceb7 | 875 | } |
f0aac575 | 876 | |
563e6846 | 877 | if (inode_same(s, backing_file, 0) <= 0) |
f0aac575 YW |
878 | continue; |
879 | ||
1480c231 YW |
880 | *ret = sd_device_ref(dev); |
881 | return 0; | |
f0aac575 YW |
882 | } |
883 | ||
1480c231 | 884 | return -ENXIO; |
f0aac575 YW |
885 | } |
886 | ||
c37fb55b LR |
887 | static int stop_mount( |
888 | sd_bus *bus, | |
9017f5d8 | 889 | const char *where, |
6f6165bf | 890 | const char *suffix) { |
c37fb55b LR |
891 | |
892 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; | |
893 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
894 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
895 | _cleanup_free_ char *mount_unit = NULL; | |
896 | int r; | |
897 | ||
898 | if (!arg_no_block) { | |
899 | r = bus_wait_for_jobs_new(bus, &w); | |
900 | if (r < 0) | |
901 | return log_error_errno(r, "Could not watch jobs: %m"); | |
902 | } | |
903 | ||
9017f5d8 | 904 | r = unit_name_from_path(where, suffix, &mount_unit); |
c37fb55b | 905 | if (r < 0) |
6442c210 | 906 | return log_error_errno(r, "Failed to make %s unit name from path %s: %m", suffix + 1, where); |
c37fb55b | 907 | |
92cb8ebc | 908 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StopUnit"); |
c37fb55b LR |
909 | if (r < 0) |
910 | return bus_log_create_error(r); | |
911 | ||
912 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
913 | if (r < 0) | |
914 | return bus_log_create_error(r); | |
915 | ||
916 | /* Name and mode */ | |
917 | r = sd_bus_message_append(m, "ss", mount_unit, "fail"); | |
918 | if (r < 0) | |
919 | return bus_log_create_error(r); | |
920 | ||
8a4b13c5 | 921 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
c37fb55b LR |
922 | |
923 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
6442c210 YW |
924 | if (r < 0) { |
925 | if (streq(suffix, ".automount") && | |
926 | sd_bus_error_has_name(&error, "org.freedesktop.systemd1.NoSuchUnit")) | |
927 | return 0; | |
928 | return log_error_errno(r, "Failed to stop %s unit: %s", suffix + 1, bus_error_message(&error, r)); | |
929 | } | |
c37fb55b LR |
930 | |
931 | if (w) { | |
932 | const char *object; | |
933 | ||
934 | r = sd_bus_message_read(reply, "o", &object); | |
935 | if (r < 0) | |
936 | return bus_log_parse_error(r); | |
937 | ||
86980de6 | 938 | r = bus_wait_for_jobs_one(w, object, arg_quiet, NULL); |
c37fb55b LR |
939 | if (r < 0) |
940 | return r; | |
941 | } | |
942 | ||
943 | if (!arg_quiet) | |
944 | log_info("Stopped unit %s%s%s for mount point: %s%s%s", | |
945 | ansi_highlight(), mount_unit, ansi_normal(), | |
9017f5d8 | 946 | ansi_highlight(), where, ansi_normal()); |
c37fb55b LR |
947 | |
948 | return 0; | |
949 | } | |
950 | ||
951 | static int stop_mounts( | |
952 | sd_bus *bus, | |
6f6165bf | 953 | const char *where) { |
c37fb55b LR |
954 | |
955 | int r; | |
956 | ||
baaa35ad ZJS |
957 | if (path_equal(where, "/")) |
958 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
959 | "Refusing to operate on root directory: %s", where); | |
9017f5d8 | 960 | |
baaa35ad ZJS |
961 | if (!path_is_normalized(where)) |
962 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
963 | "Path contains non-normalized components: %s", where); | |
9017f5d8 | 964 | |
6f6165bf | 965 | r = stop_mount(bus, where, ".mount"); |
c37fb55b LR |
966 | if (r < 0) |
967 | return r; | |
968 | ||
6f6165bf | 969 | r = stop_mount(bus, where, ".automount"); |
c37fb55b LR |
970 | if (r < 0) |
971 | return r; | |
972 | ||
973 | return 0; | |
974 | } | |
975 | ||
961d08ca | 976 | static int umount_by_device(sd_bus *bus, sd_device *dev) { |
dcd26523 | 977 | _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
f0aac575 | 978 | _cleanup_strv_free_ char **list = NULL; |
9017f5d8 | 979 | const char *v; |
961d08ca | 980 | int r, ret = 0; |
9017f5d8 | 981 | |
961d08ca YW |
982 | assert(bus); |
983 | assert(dev); | |
9017f5d8 | 984 | |
961d08ca YW |
985 | if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE", &v) >= 0) |
986 | ret = stop_mounts(bus, v); | |
9017f5d8 | 987 | |
961d08ca | 988 | r = sd_device_get_devname(dev, &v); |
dcd26523 | 989 | if (r < 0) |
961d08ca | 990 | return r; |
9017f5d8 | 991 | |
961d08ca | 992 | r = find_mount_points(v, &list); |
f0aac575 YW |
993 | if (r < 0) |
994 | return r; | |
995 | ||
961d08ca | 996 | STRV_FOREACH(l, list) { |
f0aac575 | 997 | r = stop_mounts(bus, *l); |
6f6165bf | 998 | if (r < 0) |
961d08ca | 999 | ret = r; |
9017f5d8 YW |
1000 | } |
1001 | ||
961d08ca YW |
1002 | return ret; |
1003 | } | |
1004 | ||
1005 | static int umount_by_device_node(sd_bus *bus, const char *node) { | |
1006 | _cleanup_(sd_device_unrefp) sd_device *dev = NULL; | |
1007 | const char *v; | |
1008 | int r; | |
1009 | ||
1010 | assert(bus); | |
1011 | assert(node); | |
1012 | ||
1013 | r = sd_device_new_from_devname(&dev, node); | |
1014 | if (r < 0) | |
1015 | return log_error_errno(r, "Failed to get device from %s: %m", node); | |
1016 | ||
1017 | r = sd_device_get_property_value(dev, "ID_FS_USAGE", &v); | |
1018 | if (r < 0) | |
1019 | return log_device_error_errno(dev, r, "Failed to get \"ID_FS_USAGE\" device property: %m"); | |
1020 | ||
1021 | if (!streq(v, "filesystem")) | |
1022 | return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), | |
1023 | "%s does not contain a known file system.", node); | |
1024 | ||
1025 | return umount_by_device(bus, dev); | |
6f6165bf YW |
1026 | } |
1027 | ||
1028 | static int umount_loop(sd_bus *bus, const char *backing_file) { | |
1480c231 | 1029 | _cleanup_(sd_device_unrefp) sd_device *dev = NULL; |
f0aac575 | 1030 | int r; |
6f6165bf YW |
1031 | |
1032 | assert(backing_file); | |
1033 | ||
1480c231 | 1034 | r = find_loop_device(backing_file, &dev); |
f0aac575 | 1035 | if (r < 0) |
aa46fa64 | 1036 | return log_error_errno(r, r == -ENXIO ? "File %s is not mounted." : "Can't get loop device for %s: %m", backing_file); |
6f6165bf | 1037 | |
1480c231 | 1038 | return umount_by_device(bus, dev); |
9017f5d8 YW |
1039 | } |
1040 | ||
1041 | static int action_umount( | |
1042 | sd_bus *bus, | |
1043 | int argc, | |
1044 | char **argv) { | |
1045 | ||
857127f1 | 1046 | int r, r2 = 0; |
9017f5d8 | 1047 | |
3747daa2 | 1048 | if (arg_transport != BUS_TRANSPORT_LOCAL) { |
857127f1 | 1049 | for (int i = optind; i < argc; i++) { |
3747daa2 YW |
1050 | _cleanup_free_ char *p = NULL; |
1051 | ||
660087dc ZJS |
1052 | r = path_simplify_alloc(argv[i], &p); |
1053 | if (r < 0) | |
1054 | return r; | |
3747daa2 YW |
1055 | |
1056 | r = stop_mounts(bus, p); | |
1057 | if (r < 0) | |
1058 | r2 = r; | |
1059 | } | |
1060 | return r2; | |
1061 | } | |
1062 | ||
857127f1 | 1063 | for (int i = optind; i < argc; i++) { |
5bc9f949 | 1064 | _cleanup_free_ char *u = NULL, *p = NULL; |
6f6165bf | 1065 | struct stat st; |
9017f5d8 YW |
1066 | |
1067 | u = fstab_node_to_udev_node(argv[i]); | |
1068 | if (!u) | |
1069 | return log_oom(); | |
9017f5d8 | 1070 | |
f461a28d | 1071 | r = chase(u, NULL, 0, &p, NULL); |
9017f5d8 | 1072 | if (r < 0) { |
02a8bd65 | 1073 | r2 = log_error_errno(r, "Failed to make path %s absolute: %m", argv[i]); |
9017f5d8 YW |
1074 | continue; |
1075 | } | |
1076 | ||
6f6165bf | 1077 | if (stat(p, &st) < 0) |
02a8bd65 | 1078 | return log_error_errno(errno, "Can't stat %s (from %s): %m", p, argv[i]); |
9017f5d8 | 1079 | |
6f6165bf | 1080 | if (S_ISBLK(st.st_mode)) |
961d08ca | 1081 | r = umount_by_device_node(bus, p); |
6f6165bf YW |
1082 | else if (S_ISREG(st.st_mode)) |
1083 | r = umount_loop(bus, p); | |
1084 | else if (S_ISDIR(st.st_mode)) | |
1085 | r = stop_mounts(bus, p); | |
1086 | else { | |
02a8bd65 | 1087 | log_error("Invalid file type: %s (from %s)", p, argv[i]); |
6f6165bf YW |
1088 | r = -EINVAL; |
1089 | } | |
1090 | ||
1091 | if (r < 0) | |
9017f5d8 YW |
1092 | r2 = r; |
1093 | } | |
1094 | ||
1095 | return r2; | |
1096 | } | |
1097 | ||
dcd26523 | 1098 | static int acquire_mount_type(sd_device *d) { |
450442cf LP |
1099 | const char *v; |
1100 | ||
1101 | assert(d); | |
1102 | ||
1103 | if (arg_mount_type) | |
1104 | return 0; | |
1105 | ||
dcd26523 | 1106 | if (sd_device_get_property_value(d, "ID_FS_TYPE", &v) < 0) |
450442cf LP |
1107 | return 0; |
1108 | ||
1109 | arg_mount_type = strdup(v); | |
1110 | if (!arg_mount_type) | |
1111 | return log_oom(); | |
1112 | ||
1113 | log_debug("Discovered type=%s", arg_mount_type); | |
1114 | return 1; | |
1115 | } | |
1116 | ||
dcd26523 | 1117 | static int acquire_mount_options(sd_device *d) { |
450442cf LP |
1118 | const char *v; |
1119 | ||
dcd26523 YW |
1120 | assert(d); |
1121 | ||
450442cf LP |
1122 | if (arg_mount_options) |
1123 | return 0; | |
1124 | ||
dcd26523 | 1125 | if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_OPTIONS", &v) < 0) |
450442cf LP |
1126 | return 0; |
1127 | ||
1128 | arg_mount_options = strdup(v); | |
1129 | if (!arg_mount_options) | |
1130 | return log_oom(); | |
1131 | ||
1132 | log_debug("Discovered options=%s", arg_mount_options); | |
1133 | return 1; | |
1134 | } | |
1135 | ||
dcd26523 | 1136 | static const char *get_model(sd_device *d) { |
450442cf LP |
1137 | const char *model; |
1138 | ||
1139 | assert(d); | |
1140 | ||
dcd26523 | 1141 | if (sd_device_get_property_value(d, "ID_MODEL_FROM_DATABASE", &model) >= 0) |
450442cf LP |
1142 | return model; |
1143 | ||
dcd26523 YW |
1144 | if (sd_device_get_property_value(d, "ID_MODEL", &model) >= 0) |
1145 | return model; | |
1146 | ||
1147 | return NULL; | |
450442cf LP |
1148 | } |
1149 | ||
dcd26523 | 1150 | static const char* get_label(sd_device *d) { |
450442cf LP |
1151 | const char *label; |
1152 | ||
1153 | assert(d); | |
1154 | ||
dcd26523 YW |
1155 | if (sd_device_get_property_value(d, "ID_FS_LABEL", &label) >= 0) |
1156 | return label; | |
1157 | ||
1158 | if (sd_device_get_property_value(d, "ID_PART_ENTRY_NAME", &label) >= 0) | |
450442cf LP |
1159 | return label; |
1160 | ||
dcd26523 | 1161 | return NULL; |
450442cf LP |
1162 | } |
1163 | ||
dcd26523 | 1164 | static int acquire_mount_where(sd_device *d) { |
450442cf | 1165 | const char *v; |
451f0dba | 1166 | int r; |
450442cf LP |
1167 | |
1168 | if (arg_mount_where) | |
1169 | return 0; | |
1170 | ||
dcd26523 | 1171 | if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE", &v) < 0) { |
451f0dba | 1172 | _cleanup_free_ char *escaped = NULL, *devname_bn = NULL; |
450442cf LP |
1173 | const char *name; |
1174 | ||
1175 | name = get_label(d); | |
1176 | if (!name) | |
1177 | name = get_model(d); | |
1178 | if (!name) { | |
1179 | const char *dn; | |
1180 | ||
dcd26523 | 1181 | if (sd_device_get_devname(d, &dn) < 0) |
450442cf LP |
1182 | return 0; |
1183 | ||
451f0dba LP |
1184 | r = path_extract_filename(dn, &devname_bn); |
1185 | if (r < 0) | |
1186 | return log_error_errno(r, "Failed to extract file name from '%s': %m", dn); | |
1187 | ||
1188 | name = devname_bn; | |
450442cf LP |
1189 | } |
1190 | ||
1191 | escaped = xescape(name, "\\"); | |
f0aac575 YW |
1192 | if (!escaped) |
1193 | return log_oom(); | |
450442cf LP |
1194 | if (!filename_is_valid(escaped)) |
1195 | return 0; | |
1196 | ||
657ee2d8 | 1197 | arg_mount_where = path_join("/run/media/system", escaped); |
450442cf LP |
1198 | } else |
1199 | arg_mount_where = strdup(v); | |
1200 | ||
1201 | if (!arg_mount_where) | |
1202 | return log_oom(); | |
1203 | ||
1204 | log_debug("Discovered where=%s", arg_mount_where); | |
1205 | return 1; | |
1206 | } | |
1207 | ||
95a45a87 | 1208 | static int acquire_mount_where_for_loop_dev(sd_device *dev) { |
f0aac575 | 1209 | _cleanup_strv_free_ char **list = NULL; |
95a45a87 | 1210 | const char *node; |
f0aac575 YW |
1211 | int r; |
1212 | ||
95a45a87 YW |
1213 | assert(dev); |
1214 | ||
f0aac575 YW |
1215 | if (arg_mount_where) |
1216 | return 0; | |
1217 | ||
95a45a87 | 1218 | r = sd_device_get_devname(dev, &node); |
f0aac575 YW |
1219 | if (r < 0) |
1220 | return r; | |
95a45a87 YW |
1221 | |
1222 | r = find_mount_points(node, &list); | |
1223 | if (r < 0) | |
1224 | return r; | |
1225 | if (r == 0) | |
1226 | return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), | |
1227 | "Can't find mount point of %s. It is expected that %s is already mounted on a place.", | |
1228 | node, node); | |
1229 | if (r >= 2) | |
1230 | return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), | |
1231 | "%s is mounted on %d places. It is expected that %s is mounted on a place.", | |
1232 | node, r, node); | |
f0aac575 YW |
1233 | |
1234 | arg_mount_where = strdup(list[0]); | |
1235 | if (!arg_mount_where) | |
1236 | return log_oom(); | |
1237 | ||
1238 | log_debug("Discovered where=%s", arg_mount_where); | |
1239 | return 1; | |
1240 | } | |
1241 | ||
dcd26523 | 1242 | static int acquire_description(sd_device *d) { |
450442cf LP |
1243 | const char *model, *label; |
1244 | ||
1245 | if (arg_description) | |
1246 | return 0; | |
1247 | ||
1248 | model = get_model(d); | |
1249 | ||
1250 | label = get_label(d); | |
1251 | if (!label) | |
dcd26523 | 1252 | (void) sd_device_get_property_value(d, "ID_PART_ENTRY_NUMBER", &label); |
450442cf LP |
1253 | |
1254 | if (model && label) | |
605405c6 | 1255 | arg_description = strjoin(model, " ", label); |
450442cf LP |
1256 | else if (label) |
1257 | arg_description = strdup(label); | |
1258 | else if (model) | |
1259 | arg_description = strdup(model); | |
1260 | else | |
05b4d3b5 | 1261 | return 0; |
450442cf LP |
1262 | |
1263 | if (!arg_description) | |
1264 | return log_oom(); | |
1265 | ||
1266 | log_debug("Discovered description=%s", arg_description); | |
1267 | return 1; | |
1268 | } | |
1269 | ||
dcd26523 | 1270 | static int acquire_removable(sd_device *d) { |
450442cf LP |
1271 | const char *v; |
1272 | ||
1273 | /* Shortcut this if there's no reason to check it */ | |
1274 | if (arg_action != ACTION_DEFAULT && arg_timeout_idle_set && arg_bind_device >= 0) | |
1275 | return 0; | |
1276 | ||
1277 | for (;;) { | |
1f22fc38 | 1278 | if (sd_device_get_sysattr_value(d, "removable", &v) >= 0) |
450442cf LP |
1279 | break; |
1280 | ||
dcd26523 | 1281 | if (sd_device_get_parent(d, &d) < 0) |
450442cf LP |
1282 | return 0; |
1283 | ||
dcd26523 | 1284 | if (sd_device_get_subsystem(d, &v) < 0 || !streq(v, "block")) |
450442cf LP |
1285 | return 0; |
1286 | } | |
1287 | ||
1288 | if (parse_boolean(v) <= 0) | |
1289 | return 0; | |
1290 | ||
1291 | log_debug("Discovered removable device."); | |
1292 | ||
1293 | if (arg_action == ACTION_DEFAULT) { | |
1294 | log_debug("Automatically turning on automount."); | |
1295 | arg_action = ACTION_AUTOMOUNT; | |
1296 | } | |
1297 | ||
1298 | if (!arg_timeout_idle_set) { | |
1299 | log_debug("Setting idle timeout to 1s."); | |
1300 | arg_timeout_idle = USEC_PER_SEC; | |
1301 | } | |
1302 | ||
1303 | if (arg_bind_device < 0) { | |
1304 | log_debug("Binding automount unit to device."); | |
1305 | arg_bind_device = true; | |
1306 | } | |
1307 | ||
1308 | return 1; | |
1309 | } | |
1310 | ||
f0aac575 | 1311 | static int discover_loop_backing_file(void) { |
dcd26523 | 1312 | _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
450442cf LP |
1313 | int r; |
1314 | ||
1480c231 | 1315 | r = find_loop_device(arg_mount_what, &d); |
aa46fa64 | 1316 | if (r < 0 && r != -ENXIO) |
f0aac575 YW |
1317 | return log_error_errno(errno, "Can't get loop device for %s: %m", arg_mount_what); |
1318 | ||
aa46fa64 | 1319 | if (r == -ENXIO) { |
451f0dba | 1320 | _cleanup_free_ char *escaped = NULL, *bn = NULL; |
f0aac575 YW |
1321 | |
1322 | if (arg_mount_where) | |
1323 | return 0; | |
1324 | ||
451f0dba LP |
1325 | r = path_extract_filename(arg_mount_what, &bn); |
1326 | if (r < 0) | |
1327 | return log_error_errno(r, "Failed to extract file name from backing file path '%s': %m", arg_mount_what); | |
1328 | ||
1329 | escaped = xescape(bn, "\\"); | |
f0aac575 YW |
1330 | if (!escaped) |
1331 | return log_oom(); | |
d7a0f1f4 FS |
1332 | if (!filename_is_valid(escaped)) |
1333 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1334 | "Escaped name %s is not a valid filename.", | |
1335 | escaped); | |
f0aac575 | 1336 | |
657ee2d8 | 1337 | arg_mount_where = path_join("/run/media/system", escaped); |
f0aac575 YW |
1338 | if (!arg_mount_where) |
1339 | return log_oom(); | |
1340 | ||
1341 | log_debug("Discovered where=%s", arg_mount_where); | |
450442cf | 1342 | return 0; |
f0aac575 YW |
1343 | } |
1344 | ||
f0aac575 YW |
1345 | r = acquire_mount_type(d); |
1346 | if (r < 0) | |
1347 | return r; | |
1348 | ||
1349 | r = acquire_mount_options(d); | |
1350 | if (r < 0) | |
1351 | return r; | |
1352 | ||
95a45a87 | 1353 | r = acquire_mount_where_for_loop_dev(d); |
f0aac575 YW |
1354 | if (r < 0) |
1355 | return r; | |
1356 | ||
1357 | r = acquire_description(d); | |
1358 | if (r < 0) | |
1359 | return r; | |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | static int discover_device(void) { | |
dcd26523 | 1365 | _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
f0aac575 YW |
1366 | struct stat st; |
1367 | const char *v; | |
1368 | int r; | |
1369 | ||
450442cf LP |
1370 | if (stat(arg_mount_what, &st) < 0) |
1371 | return log_error_errno(errno, "Can't stat %s: %m", arg_mount_what); | |
1372 | ||
f0aac575 YW |
1373 | if (S_ISREG(st.st_mode)) |
1374 | return discover_loop_backing_file(); | |
1375 | ||
d7a0f1f4 FS |
1376 | if (!S_ISBLK(st.st_mode)) |
1377 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1378 | "Invalid file type: %s", | |
1379 | arg_mount_what); | |
450442cf | 1380 | |
930aa88f | 1381 | r = sd_device_new_from_stat_rdev(&d, &st); |
dcd26523 YW |
1382 | if (r < 0) |
1383 | return log_error_errno(r, "Failed to get device from device number: %m"); | |
450442cf | 1384 | |
d7a0f1f4 FS |
1385 | if (sd_device_get_property_value(d, "ID_FS_USAGE", &v) < 0 || !streq(v, "filesystem")) |
1386 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1387 | "%s does not contain a known file system.", | |
1388 | arg_mount_what); | |
450442cf LP |
1389 | |
1390 | r = acquire_mount_type(d); | |
1391 | if (r < 0) | |
1392 | return r; | |
1393 | ||
1394 | r = acquire_mount_options(d); | |
1395 | if (r < 0) | |
1396 | return r; | |
1397 | ||
1398 | r = acquire_mount_where(d); | |
1399 | if (r < 0) | |
1400 | return r; | |
1401 | ||
1402 | r = acquire_description(d); | |
1403 | if (r < 0) | |
1404 | return r; | |
1405 | ||
1406 | r = acquire_removable(d); | |
1407 | if (r < 0) | |
1408 | return r; | |
1409 | ||
1410 | return 0; | |
1411 | } | |
1412 | ||
1413 | enum { | |
1414 | COLUMN_NODE, | |
1415 | COLUMN_PATH, | |
1416 | COLUMN_MODEL, | |
1417 | COLUMN_WWN, | |
1418 | COLUMN_FSTYPE, | |
1419 | COLUMN_LABEL, | |
1420 | COLUMN_UUID, | |
1421 | _COLUMN_MAX, | |
1422 | }; | |
1423 | ||
450442cf | 1424 | static int list_devices(void) { |
dcd26523 | 1425 | _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; |
6ae6ea55 | 1426 | _cleanup_(table_unrefp) Table *table = NULL; |
450442cf LP |
1427 | int r; |
1428 | ||
dcd26523 YW |
1429 | r = sd_device_enumerator_new(&e); |
1430 | if (r < 0) | |
450442cf LP |
1431 | return log_oom(); |
1432 | ||
dcd26523 | 1433 | r = sd_device_enumerator_add_match_subsystem(e, "block", true); |
450442cf LP |
1434 | if (r < 0) |
1435 | return log_error_errno(r, "Failed to add block match: %m"); | |
1436 | ||
dcd26523 | 1437 | r = sd_device_enumerator_add_match_property(e, "ID_FS_USAGE", "filesystem"); |
450442cf LP |
1438 | if (r < 0) |
1439 | return log_error_errno(r, "Failed to add property match: %m"); | |
1440 | ||
6ae6ea55 YW |
1441 | table = table_new("NODE", "PATH", "MODEL", "WWN", "TYPE", "LABEL", "UUID"); |
1442 | if (!table) | |
1443 | return log_oom(); | |
450442cf | 1444 | |
a362c069 YW |
1445 | if (arg_full) |
1446 | table_set_width(table, 0); | |
1447 | ||
ef1e0b9a | 1448 | r = table_set_sort(table, (size_t) 0); |
6ae6ea55 YW |
1449 | if (r < 0) |
1450 | return log_error_errno(r, "Failed to set sort index: %m"); | |
450442cf | 1451 | |
a5279634 YW |
1452 | table_set_header(table, arg_legend); |
1453 | ||
6ae6ea55 | 1454 | FOREACH_DEVICE(e, d) { |
857127f1 | 1455 | for (unsigned c = 0; c < _COLUMN_MAX; c++) { |
6fd667e5 | 1456 | const char *x = NULL; |
450442cf LP |
1457 | |
1458 | switch (c) { | |
1459 | ||
1460 | case COLUMN_NODE: | |
dcd26523 | 1461 | (void) sd_device_get_devname(d, &x); |
450442cf LP |
1462 | break; |
1463 | ||
1464 | case COLUMN_PATH: | |
dcd26523 | 1465 | (void) sd_device_get_property_value(d, "ID_PATH", &x); |
450442cf LP |
1466 | break; |
1467 | ||
1468 | case COLUMN_MODEL: | |
1469 | x = get_model(d); | |
1470 | break; | |
1471 | ||
1472 | case COLUMN_WWN: | |
dcd26523 | 1473 | (void) sd_device_get_property_value(d, "ID_WWN", &x); |
450442cf LP |
1474 | break; |
1475 | ||
1476 | case COLUMN_FSTYPE: | |
dcd26523 | 1477 | (void) sd_device_get_property_value(d, "ID_FS_TYPE", &x); |
450442cf LP |
1478 | break; |
1479 | ||
1480 | case COLUMN_LABEL: | |
1481 | x = get_label(d); | |
1482 | break; | |
1483 | ||
1484 | case COLUMN_UUID: | |
dcd26523 | 1485 | (void) sd_device_get_property_value(d, "ID_FS_UUID", &x); |
450442cf LP |
1486 | break; |
1487 | } | |
1488 | ||
6ae6ea55 YW |
1489 | r = table_add_cell(table, NULL, c == COLUMN_NODE ? TABLE_PATH : TABLE_STRING, strna(x)); |
1490 | if (r < 0) | |
bd17fa8c | 1491 | return table_log_add_error(r); |
450442cf LP |
1492 | } |
1493 | } | |
1494 | ||
384c2c32 | 1495 | pager_open(arg_pager_flags); |
450442cf | 1496 | |
6ae6ea55 YW |
1497 | r = table_print(table, NULL); |
1498 | if (r < 0) | |
4b6607d9 | 1499 | return table_log_print_error(r); |
450442cf | 1500 | |
6ae6ea55 | 1501 | return 0; |
450442cf LP |
1502 | } |
1503 | ||
f2fae6fb YW |
1504 | static int run(int argc, char* argv[]) { |
1505 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
450442cf LP |
1506 | int r; |
1507 | ||
1a043959 | 1508 | log_show_color(true); |
450442cf LP |
1509 | log_parse_environment(); |
1510 | log_open(); | |
1511 | ||
1512 | r = parse_argv(argc, argv); | |
1513 | if (r <= 0) | |
f2fae6fb | 1514 | return r; |
450442cf | 1515 | |
f2fae6fb YW |
1516 | if (arg_action == ACTION_LIST) |
1517 | return list_devices(); | |
450442cf | 1518 | |
4870133b | 1519 | r = bus_connect_transport_systemd(arg_transport, arg_host, arg_runtime_scope, &bus); |
f2fae6fb | 1520 | if (r < 0) |
10a7340a | 1521 | return bus_log_connect_error(r, arg_transport); |
9017f5d8 | 1522 | |
f2fae6fb YW |
1523 | if (arg_action == ACTION_UMOUNT) |
1524 | return action_umount(bus, argc, argv); | |
9017f5d8 | 1525 | |
c15ab81e | 1526 | if ((!arg_mount_type || fstype_is_blockdev_backed(arg_mount_type)) |
d7a0f1f4 FS |
1527 | && !path_is_normalized(arg_mount_what)) |
1528 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1529 | "Path contains non-normalized components: %s", | |
1530 | arg_mount_what); | |
f0aac575 YW |
1531 | |
1532 | if (arg_discover) { | |
1533 | r = discover_device(); | |
1534 | if (r < 0) | |
f2fae6fb | 1535 | return r; |
f0aac575 YW |
1536 | } |
1537 | ||
d7a0f1f4 FS |
1538 | if (!arg_mount_where) |
1539 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1540 | "Can't figure out where to mount %s.", | |
1541 | arg_mount_what); | |
450442cf | 1542 | |
d7a0f1f4 FS |
1543 | if (path_equal(arg_mount_where, "/")) |
1544 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1545 | "Refusing to operate on root directory."); | |
450442cf | 1546 | |
d7a0f1f4 FS |
1547 | if (!path_is_normalized(arg_mount_where)) |
1548 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1549 | "Path contains non-normalized components: %s", | |
1550 | arg_mount_where); | |
450442cf LP |
1551 | |
1552 | if (streq_ptr(arg_mount_type, "auto")) | |
1553 | arg_mount_type = mfree(arg_mount_type); | |
1554 | if (streq_ptr(arg_mount_options, "defaults")) | |
1555 | arg_mount_options = mfree(arg_mount_options); | |
1556 | ||
1557 | if (!is_device_path(arg_mount_what)) | |
1558 | arg_fsck = false; | |
1559 | ||
1560 | if (arg_fsck && arg_mount_type && arg_transport == BUS_TRANSPORT_LOCAL) { | |
13556724 | 1561 | r = fsck_exists_for_fstype(arg_mount_type); |
450442cf LP |
1562 | if (r < 0) |
1563 | log_warning_errno(r, "Couldn't determine whether fsck for %s exists, proceeding anyway.", arg_mount_type); | |
1564 | else if (r == 0) { | |
1565 | log_debug("Disabling file system check as fsck for %s doesn't exist.", arg_mount_type); | |
1566 | arg_fsck = false; /* fsck doesn't exist, let's not attempt it */ | |
1567 | } | |
1568 | } | |
1569 | ||
e09fc884 ZJS |
1570 | /* The kernel (properly) refuses mounting file systems with unknown uid=,gid= options, |
1571 | * but not for all filesystem types. Let's try to catch the cases where the option | |
1572 | * would be used if the file system does not support it. It is also possible to | |
1573 | * autodetect the file system, but that's only possible with disk-based file systems | |
1574 | * which incidentally seem to be implemented more carefully and reject unknown options, | |
1575 | * so it's probably OK that we do the check only when the type is specified. | |
1576 | */ | |
1577 | if (arg_mount_type && | |
1578 | !streq(arg_mount_type, "auto") && | |
1579 | arg_uid != UID_INVALID && | |
d7a0f1f4 FS |
1580 | !fstype_can_uid_gid(arg_mount_type)) |
1581 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
1582 | "File system type %s is not known to support uid=/gid=, refusing.", | |
1583 | arg_mount_type); | |
e09fc884 | 1584 | |
450442cf LP |
1585 | switch (arg_action) { |
1586 | ||
1587 | case ACTION_MOUNT: | |
1588 | case ACTION_DEFAULT: | |
1589 | r = start_transient_mount(bus, argv + optind); | |
1590 | break; | |
1591 | ||
1592 | case ACTION_AUTOMOUNT: | |
1593 | r = start_transient_automount(bus, argv + optind); | |
1594 | break; | |
1595 | ||
1596 | default: | |
04499a70 | 1597 | assert_not_reached(); |
450442cf LP |
1598 | } |
1599 | ||
f2fae6fb | 1600 | return r; |
450442cf | 1601 | } |
f2fae6fb YW |
1602 | |
1603 | DEFINE_MAIN_FUNCTION(run); |