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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
9444b1f2 LP |
2 | |
3 | #include <errno.h> | |
90adaa25 | 4 | #include <sys/mount.h> |
e306723e | 5 | #include <sys/wait.h> |
9444b1f2 | 6 | |
0370612e | 7 | /* When we include libgen.h because we need dirname() we immediately |
11c9f1e4 SM |
8 | * undefine basename() since libgen.h defines it as a macro to the POSIX |
9 | * version which is really broken. We prefer GNU basename(). */ | |
0370612e LP |
10 | #include <libgen.h> |
11 | #undef basename | |
12 | ||
b5efdb8a | 13 | #include "alloc-util.h" |
96aad8d1 | 14 | #include "bus-common-errors.h" |
40af3d02 | 15 | #include "bus-get-properties.h" |
3ffd4af2 LP |
16 | #include "bus-internal.h" |
17 | #include "bus-label.h" | |
9b71e4ab | 18 | #include "bus-locator.h" |
269e4d2d | 19 | #include "bus-polkit.h" |
717603e3 | 20 | #include "copy.h" |
686d13b9 | 21 | #include "env-file.h" |
3ffd4af2 LP |
22 | #include "env-util.h" |
23 | #include "fd-util.h" | |
4fa744a3 | 24 | #include "fileio.h" |
f97b34a6 | 25 | #include "format-util.h" |
f4f15635 | 26 | #include "fs-util.h" |
3b653205 | 27 | #include "in-addr-util.h" |
cb310866 | 28 | #include "io-util.h" |
496a5a69 | 29 | #include "local-addresses.h" |
003dffde | 30 | #include "machine-dbus.h" |
3ffd4af2 | 31 | #include "machine.h" |
ef118d00 | 32 | #include "missing_capability.h" |
3ffd4af2 | 33 | #include "mkdir.h" |
21935150 | 34 | #include "mount-util.h" |
0cb8e3d1 | 35 | #include "namespace-util.h" |
d58ad743 | 36 | #include "os-util.h" |
3ffd4af2 | 37 | #include "path-util.h" |
0b452006 | 38 | #include "process-util.h" |
6eb7c172 | 39 | #include "signal-util.h" |
3ffd4af2 | 40 | #include "strv.h" |
a07c35c3 | 41 | #include "terminal-util.h" |
e4de7287 | 42 | #include "tmpfile-util.h" |
ee104e11 | 43 | #include "user-util.h" |
9444b1f2 | 44 | |
74c308ae YW |
45 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, machine_class, MachineClass); |
46 | static BUS_DEFINE_PROPERTY_GET2(property_get_state, "s", Machine, machine_get_state, machine_state_to_string); | |
fb6becb4 | 47 | |
9b5ed6fe LP |
48 | static int property_get_netif( |
49 | sd_bus *bus, | |
50 | const char *path, | |
51 | const char *interface, | |
52 | const char *property, | |
53 | sd_bus_message *reply, | |
54 | void *userdata, | |
55 | sd_bus_error *error) { | |
56 | ||
57 | Machine *m = userdata; | |
9b5ed6fe LP |
58 | |
59 | assert(bus); | |
60 | assert(reply); | |
61 | assert(m); | |
62 | ||
63 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
64 | ||
0f826101 | 65 | return sd_bus_message_append_array(reply, 'i', m->netif, m->n_netif * sizeof(int)); |
9b5ed6fe LP |
66 | } |
67 | ||
ef8ff92e ZJS |
68 | int bus_machine_method_unregister(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
69 | Machine *m = userdata; | |
70 | int r; | |
71 | ||
72 | assert(message); | |
73 | assert(m); | |
74 | ||
75 | r = bus_verify_polkit_async( | |
76 | message, | |
77 | CAP_KILL, | |
78 | "org.freedesktop.machine1.manage-machines", | |
79 | NULL, | |
80 | false, | |
81 | UID_INVALID, | |
82 | &m->manager->polkit_registry, | |
83 | error); | |
84 | if (r < 0) | |
85 | return r; | |
86 | if (r == 0) | |
87 | return 1; /* Will call us back */ | |
88 | ||
89 | r = machine_finalize(m); | |
90 | if (r < 0) | |
91 | return r; | |
92 | ||
93 | return sd_bus_reply_method_return(message, NULL); | |
94 | } | |
95 | ||
19070062 | 96 | int bus_machine_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
97 | Machine *m = userdata; |
98 | int r; | |
9444b1f2 | 99 | |
c3350683 LP |
100 | assert(message); |
101 | assert(m); | |
9444b1f2 | 102 | |
70244d1d LP |
103 | r = bus_verify_polkit_async( |
104 | message, | |
105 | CAP_KILL, | |
106 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 107 | NULL, |
70244d1d | 108 | false, |
c529695e | 109 | UID_INVALID, |
70244d1d LP |
110 | &m->manager->polkit_registry, |
111 | error); | |
112 | if (r < 0) | |
113 | return r; | |
114 | if (r == 0) | |
115 | return 1; /* Will call us back */ | |
116 | ||
c3350683 LP |
117 | r = machine_stop(m); |
118 | if (r < 0) | |
ebcf1f97 | 119 | return r; |
9444b1f2 | 120 | |
df2d202e | 121 | return sd_bus_reply_method_return(message, NULL); |
9444b1f2 LP |
122 | } |
123 | ||
19070062 | 124 | int bus_machine_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
125 | Machine *m = userdata; |
126 | const char *swho; | |
127 | int32_t signo; | |
128 | KillWho who; | |
9444b1f2 LP |
129 | int r; |
130 | ||
9444b1f2 | 131 | assert(message); |
c3350683 | 132 | assert(m); |
9444b1f2 | 133 | |
c3350683 LP |
134 | r = sd_bus_message_read(message, "si", &swho, &signo); |
135 | if (r < 0) | |
ebcf1f97 | 136 | return r; |
9444b1f2 | 137 | |
c3350683 LP |
138 | if (isempty(swho)) |
139 | who = KILL_ALL; | |
140 | else { | |
141 | who = kill_who_from_string(swho); | |
142 | if (who < 0) | |
ebcf1f97 | 143 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); |
9444b1f2 LP |
144 | } |
145 | ||
6eb7c172 | 146 | if (!SIGNAL_VALID(signo)) |
ebcf1f97 | 147 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); |
9444b1f2 | 148 | |
70244d1d LP |
149 | r = bus_verify_polkit_async( |
150 | message, | |
151 | CAP_KILL, | |
152 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 153 | NULL, |
70244d1d | 154 | false, |
c529695e | 155 | UID_INVALID, |
70244d1d LP |
156 | &m->manager->polkit_registry, |
157 | error); | |
158 | if (r < 0) | |
159 | return r; | |
160 | if (r == 0) | |
161 | return 1; /* Will call us back */ | |
162 | ||
c3350683 LP |
163 | r = machine_kill(m, who, signo); |
164 | if (r < 0) | |
ebcf1f97 | 165 | return r; |
9444b1f2 | 166 | |
df2d202e | 167 | return sd_bus_reply_method_return(message, NULL); |
9444b1f2 LP |
168 | } |
169 | ||
19070062 | 170 | int bus_machine_method_get_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 171 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
878cd7e9 | 172 | Machine *m = userdata; |
878cd7e9 LP |
173 | int r; |
174 | ||
878cd7e9 LP |
175 | assert(message); |
176 | assert(m); | |
177 | ||
fbe55073 | 178 | r = sd_bus_message_new_method_return(message, &reply); |
878cd7e9 | 179 | if (r < 0) |
c7abe32b | 180 | return r; |
878cd7e9 | 181 | |
fbe55073 | 182 | r = sd_bus_message_open_container(reply, 'a', "(iay)"); |
878cd7e9 | 183 | if (r < 0) |
c7abe32b | 184 | return r; |
878cd7e9 | 185 | |
fbe55073 | 186 | switch (m->class) { |
878cd7e9 | 187 | |
fbe55073 | 188 | case MACHINE_HOST: { |
496a5a69 LP |
189 | _cleanup_free_ struct local_address *addresses = NULL; |
190 | struct local_address *a; | |
fbe55073 | 191 | int n, i; |
878cd7e9 | 192 | |
1d050e1e | 193 | n = local_addresses(NULL, 0, AF_UNSPEC, &addresses); |
496a5a69 | 194 | if (n < 0) |
fbe55073 | 195 | return n; |
878cd7e9 | 196 | |
496a5a69 | 197 | for (a = addresses, i = 0; i < n; a++, i++) { |
878cd7e9 | 198 | |
fbe55073 | 199 | r = sd_bus_message_open_container(reply, 'r', "iay"); |
878cd7e9 | 200 | if (r < 0) |
fbe55073 | 201 | return r; |
496a5a69 | 202 | |
fbe55073 LP |
203 | r = sd_bus_message_append(reply, "i", addresses[i].family); |
204 | if (r < 0) | |
205 | return r; | |
878cd7e9 | 206 | |
fbe55073 LP |
207 | r = sd_bus_message_append_array(reply, 'y', &addresses[i].address, FAMILY_ADDRESS_SIZE(addresses[i].family)); |
208 | if (r < 0) | |
209 | return r; | |
878cd7e9 | 210 | |
fbe55073 LP |
211 | r = sd_bus_message_close_container(reply); |
212 | if (r < 0) | |
213 | return r; | |
214 | } | |
878cd7e9 | 215 | |
fbe55073 LP |
216 | break; |
217 | } | |
878cd7e9 | 218 | |
fbe55073 LP |
219 | case MACHINE_CONTAINER: { |
220 | _cleanup_close_pair_ int pair[2] = { -1, -1 }; | |
221 | _cleanup_free_ char *us = NULL, *them = NULL; | |
222 | _cleanup_close_ int netns_fd = -1; | |
223 | const char *p; | |
fbe55073 | 224 | pid_t child; |
878cd7e9 | 225 | |
fbe55073 LP |
226 | r = readlink_malloc("/proc/self/ns/net", &us); |
227 | if (r < 0) | |
228 | return r; | |
878cd7e9 | 229 | |
fbe55073 LP |
230 | p = procfs_file_alloca(m->leader, "ns/net"); |
231 | r = readlink_malloc(p, &them); | |
878cd7e9 | 232 | if (r < 0) |
c7abe32b | 233 | return r; |
878cd7e9 | 234 | |
fbe55073 LP |
235 | if (streq(us, them)) |
236 | return sd_bus_error_setf(error, BUS_ERROR_NO_PRIVATE_NETWORKING, "Machine %s does not use private networking", m->name); | |
237 | ||
238 | r = namespace_open(m->leader, NULL, NULL, &netns_fd, NULL, NULL); | |
878cd7e9 | 239 | if (r < 0) |
c7abe32b | 240 | return r; |
878cd7e9 | 241 | |
fbe55073 LP |
242 | if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0) |
243 | return -errno; | |
244 | ||
1edcb6a9 LP |
245 | r = namespace_fork("(sd-addrns)", "(sd-addr)", NULL, 0, FORK_RESET_SIGNALS|FORK_DEATHSIG, |
246 | -1, -1, netns_fd, -1, -1, &child); | |
4c253ed1 LP |
247 | if (r < 0) |
248 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
249 | if (r == 0) { | |
fbe55073 LP |
250 | _cleanup_free_ struct local_address *addresses = NULL; |
251 | struct local_address *a; | |
252 | int i, n; | |
253 | ||
254 | pair[0] = safe_close(pair[0]); | |
255 | ||
fbe55073 LP |
256 | n = local_addresses(NULL, 0, AF_UNSPEC, &addresses); |
257 | if (n < 0) | |
258 | _exit(EXIT_FAILURE); | |
878cd7e9 | 259 | |
fbe55073 LP |
260 | for (a = addresses, i = 0; i < n; a++, i++) { |
261 | struct iovec iov[2] = { | |
262 | { .iov_base = &a->family, .iov_len = sizeof(a->family) }, | |
263 | { .iov_base = &a->address, .iov_len = FAMILY_ADDRESS_SIZE(a->family) }, | |
264 | }; | |
878cd7e9 | 265 | |
fbe55073 LP |
266 | r = writev(pair[1], iov, 2); |
267 | if (r < 0) | |
268 | _exit(EXIT_FAILURE); | |
269 | } | |
878cd7e9 | 270 | |
fbe55073 | 271 | pair[1] = safe_close(pair[1]); |
878cd7e9 | 272 | |
fbe55073 | 273 | _exit(EXIT_SUCCESS); |
878cd7e9 | 274 | } |
878cd7e9 | 275 | |
fbe55073 LP |
276 | pair[1] = safe_close(pair[1]); |
277 | ||
278 | for (;;) { | |
279 | int family; | |
280 | ssize_t n; | |
281 | union in_addr_union in_addr; | |
282 | struct iovec iov[2]; | |
283 | struct msghdr mh = { | |
284 | .msg_iov = iov, | |
285 | .msg_iovlen = 2, | |
286 | }; | |
287 | ||
cb310866 LP |
288 | iov[0] = IOVEC_MAKE(&family, sizeof(family)); |
289 | iov[1] = IOVEC_MAKE(&in_addr, sizeof(in_addr)); | |
fbe55073 LP |
290 | |
291 | n = recvmsg(pair[0], &mh, 0); | |
292 | if (n < 0) | |
293 | return -errno; | |
294 | if ((size_t) n < sizeof(family)) | |
295 | break; | |
296 | ||
297 | r = sd_bus_message_open_container(reply, 'r', "iay"); | |
298 | if (r < 0) | |
299 | return r; | |
300 | ||
301 | r = sd_bus_message_append(reply, "i", family); | |
302 | if (r < 0) | |
303 | return r; | |
304 | ||
305 | switch (family) { | |
306 | ||
307 | case AF_INET: | |
308 | if (n != sizeof(struct in_addr) + sizeof(family)) | |
309 | return -EIO; | |
310 | ||
311 | r = sd_bus_message_append_array(reply, 'y', &in_addr.in, sizeof(in_addr.in)); | |
312 | break; | |
313 | ||
314 | case AF_INET6: | |
315 | if (n != sizeof(struct in6_addr) + sizeof(family)) | |
316 | return -EIO; | |
317 | ||
318 | r = sd_bus_message_append_array(reply, 'y', &in_addr.in6, sizeof(in_addr.in6)); | |
319 | break; | |
320 | } | |
321 | if (r < 0) | |
322 | return r; | |
323 | ||
324 | r = sd_bus_message_close_container(reply); | |
325 | if (r < 0) | |
326 | return r; | |
327 | } | |
328 | ||
1edcb6a9 | 329 | r = wait_for_terminate_and_check("(sd-addrns)", child, 0); |
878cd7e9 | 330 | if (r < 0) |
c0ffce2b | 331 | return sd_bus_error_set_errnof(error, r, "Failed to wait for child: %m"); |
2e87a1fd | 332 | if (r != EXIT_SUCCESS) |
c0ffce2b | 333 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Child died abnormally."); |
fbe55073 | 334 | break; |
878cd7e9 LP |
335 | } |
336 | ||
fbe55073 LP |
337 | default: |
338 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Requesting IP address data is only supported on container machines."); | |
339 | } | |
878cd7e9 LP |
340 | |
341 | r = sd_bus_message_close_container(reply); | |
342 | if (r < 0) | |
c7abe32b | 343 | return r; |
878cd7e9 | 344 | |
9030ca46 | 345 | return sd_bus_send(NULL, reply, NULL); |
878cd7e9 LP |
346 | } |
347 | ||
9153b02b LP |
348 | #define EXIT_NOT_FOUND 2 |
349 | ||
19070062 | 350 | int bus_machine_method_get_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
717603e3 | 351 | _cleanup_strv_free_ char **l = NULL; |
717603e3 | 352 | Machine *m = userdata; |
717603e3 LP |
353 | int r; |
354 | ||
717603e3 LP |
355 | assert(message); |
356 | assert(m); | |
357 | ||
fbe55073 | 358 | switch (m->class) { |
b4d8ef7c | 359 | |
fbe55073 | 360 | case MACHINE_HOST: |
d58ad743 | 361 | r = load_os_release_pairs(NULL, &l); |
fbe55073 LP |
362 | if (r < 0) |
363 | return r; | |
717603e3 | 364 | |
fbe55073 | 365 | break; |
717603e3 | 366 | |
fbe55073 | 367 | case MACHINE_CONTAINER: { |
2bb21fc9 | 368 | _cleanup_close_ int mntns_fd = -1, root_fd = -1, pidns_fd = -1; |
fbe55073 LP |
369 | _cleanup_close_pair_ int pair[2] = { -1, -1 }; |
370 | _cleanup_fclose_ FILE *f = NULL; | |
fbe55073 | 371 | pid_t child; |
717603e3 | 372 | |
2bb21fc9 | 373 | r = namespace_open(m->leader, &pidns_fd, &mntns_fd, NULL, NULL, &root_fd); |
fbe55073 LP |
374 | if (r < 0) |
375 | return r; | |
717603e3 | 376 | |
fbe55073 LP |
377 | if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0) |
378 | return -errno; | |
717603e3 | 379 | |
2bb21fc9 LP |
380 | r = namespace_fork("(sd-osrelns)", "(sd-osrel)", NULL, 0, FORK_RESET_SIGNALS|FORK_DEATHSIG, |
381 | pidns_fd, mntns_fd, -1, -1, root_fd, | |
382 | &child); | |
4c253ed1 LP |
383 | if (r < 0) |
384 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
385 | if (r == 0) { | |
9153b02b | 386 | int fd = -1; |
fbe55073 LP |
387 | |
388 | pair[0] = safe_close(pair[0]); | |
389 | ||
d58ad743 LP |
390 | r = open_os_release(NULL, NULL, &fd); |
391 | if (r == -ENOENT) | |
392 | _exit(EXIT_NOT_FOUND); | |
393 | if (r < 0) | |
9153b02b | 394 | _exit(EXIT_FAILURE); |
717603e3 | 395 | |
1c876927 | 396 | r = copy_bytes(fd, pair[1], (uint64_t) -1, 0); |
fbe55073 | 397 | if (r < 0) |
717603e3 | 398 | _exit(EXIT_FAILURE); |
fbe55073 LP |
399 | |
400 | _exit(EXIT_SUCCESS); | |
717603e3 LP |
401 | } |
402 | ||
fbe55073 | 403 | pair[1] = safe_close(pair[1]); |
717603e3 | 404 | |
4fa744a3 | 405 | f = take_fdopen(&pair[0], "r"); |
fbe55073 LP |
406 | if (!f) |
407 | return -errno; | |
717603e3 | 408 | |
aa8fbc74 | 409 | r = load_env_file_pairs(f, "/etc/os-release", &l); |
fbe55073 LP |
410 | if (r < 0) |
411 | return r; | |
717603e3 | 412 | |
2bb21fc9 | 413 | r = wait_for_terminate_and_check("(sd-osrelns)", child, 0); |
fbe55073 | 414 | if (r < 0) |
c0ffce2b | 415 | return sd_bus_error_set_errnof(error, r, "Failed to wait for child: %m"); |
2e87a1fd | 416 | if (r == EXIT_NOT_FOUND) |
9153b02b | 417 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Machine does not contain OS release information"); |
2e87a1fd | 418 | if (r != EXIT_SUCCESS) |
c0ffce2b | 419 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Child died abnormally."); |
717603e3 | 420 | |
fbe55073 LP |
421 | break; |
422 | } | |
717603e3 | 423 | |
fbe55073 LP |
424 | default: |
425 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Requesting OS release data is only supported on container machines."); | |
426 | } | |
717603e3 | 427 | |
9153b02b | 428 | return bus_reply_pair_array(message, l); |
40205d70 LP |
429 | } |
430 | ||
19070062 | 431 | int bus_machine_method_open_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 432 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
5f8cc96a | 433 | _cleanup_free_ char *pty_name = NULL; |
40205d70 | 434 | _cleanup_close_ int master = -1; |
40205d70 | 435 | Machine *m = userdata; |
40205d70 LP |
436 | int r; |
437 | ||
40205d70 LP |
438 | assert(message); |
439 | assert(m); | |
440 | ||
fbe55073 LP |
441 | r = bus_verify_polkit_async( |
442 | message, | |
443 | CAP_SYS_ADMIN, | |
4289c3a7 | 444 | m->class == MACHINE_HOST ? "org.freedesktop.machine1.host-open-pty" : "org.freedesktop.machine1.open-pty", |
403ed0e5 | 445 | NULL, |
fbe55073 LP |
446 | false, |
447 | UID_INVALID, | |
448 | &m->manager->polkit_registry, | |
449 | error); | |
450 | if (r < 0) | |
451 | return r; | |
452 | if (r == 0) | |
453 | return 1; /* Will call us back */ | |
b4d8ef7c | 454 | |
ae1d13db | 455 | master = machine_openpt(m, O_RDWR|O_NOCTTY|O_CLOEXEC, &pty_name); |
5f8cc96a LP |
456 | if (master < 0) |
457 | return master; | |
458 | ||
5f8cc96a LP |
459 | r = sd_bus_message_new_method_return(message, &reply); |
460 | if (r < 0) | |
461 | return r; | |
40205d70 | 462 | |
5f8cc96a LP |
463 | r = sd_bus_message_append(reply, "hs", master, pty_name); |
464 | if (r < 0) | |
465 | return r; | |
40205d70 | 466 | |
9030ca46 | 467 | return sd_bus_send(NULL, reply, NULL); |
5f8cc96a | 468 | } |
40205d70 | 469 | |
385080c0 | 470 | static int container_bus_new(Machine *m, sd_bus_error *error, sd_bus **ret) { |
49af9e13 LP |
471 | int r; |
472 | ||
473 | assert(m); | |
474 | assert(ret); | |
475 | ||
fbe55073 | 476 | switch (m->class) { |
49af9e13 | 477 | |
fbe55073 LP |
478 | case MACHINE_HOST: |
479 | *ret = NULL; | |
480 | break; | |
49af9e13 | 481 | |
fbe55073 | 482 | case MACHINE_CONTAINER: { |
b1a4981a | 483 | _cleanup_(sd_bus_close_unrefp) sd_bus *bus = NULL; |
fbe55073 | 484 | char *address; |
49af9e13 | 485 | |
fbe55073 LP |
486 | r = sd_bus_new(&bus); |
487 | if (r < 0) | |
488 | return r; | |
49af9e13 | 489 | |
fbe55073 LP |
490 | if (asprintf(&address, "x-machine-kernel:pid=%1$" PID_PRI ";x-machine-unix:pid=%1$" PID_PRI, m->leader) < 0) |
491 | return -ENOMEM; | |
492 | ||
493 | bus->address = address; | |
494 | bus->bus_client = true; | |
495 | bus->trusted = false; | |
496 | bus->is_system = true; | |
497 | ||
498 | r = sd_bus_start(bus); | |
385080c0 LP |
499 | if (r == -ENOENT) |
500 | return sd_bus_error_set_errnof(error, r, "There is no system bus in container %s.", m->name); | |
fbe55073 LP |
501 | if (r < 0) |
502 | return r; | |
503 | ||
1cc6c93a | 504 | *ret = TAKE_PTR(bus); |
fbe55073 LP |
505 | break; |
506 | } | |
507 | ||
508 | default: | |
509 | return -EOPNOTSUPP; | |
510 | } | |
49af9e13 LP |
511 | |
512 | return 0; | |
513 | } | |
514 | ||
19070062 | 515 | int bus_machine_method_open_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 516 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
49af9e13 | 517 | _cleanup_free_ char *pty_name = NULL; |
4afd3348 | 518 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *allocated_bus = NULL; |
5f8cc96a | 519 | _cleanup_close_ int master = -1; |
fbe55073 | 520 | sd_bus *container_bus = NULL; |
5f8cc96a | 521 | Machine *m = userdata; |
49af9e13 | 522 | const char *p, *getty; |
5f8cc96a | 523 | int r; |
40205d70 | 524 | |
19070062 LP |
525 | assert(message); |
526 | assert(m); | |
527 | ||
d04c1fb8 LP |
528 | r = bus_verify_polkit_async( |
529 | message, | |
530 | CAP_SYS_ADMIN, | |
4289c3a7 | 531 | m->class == MACHINE_HOST ? "org.freedesktop.machine1.host-login" : "org.freedesktop.machine1.login", |
403ed0e5 | 532 | NULL, |
d04c1fb8 | 533 | false, |
c529695e | 534 | UID_INVALID, |
d04c1fb8 LP |
535 | &m->manager->polkit_registry, |
536 | error); | |
537 | if (r < 0) | |
538 | return r; | |
539 | if (r == 0) | |
540 | return 1; /* Will call us back */ | |
541 | ||
ae1d13db | 542 | master = machine_openpt(m, O_RDWR|O_NOCTTY|O_CLOEXEC, &pty_name); |
5f8cc96a LP |
543 | if (master < 0) |
544 | return master; | |
40205d70 | 545 | |
5f8cc96a | 546 | p = path_startswith(pty_name, "/dev/pts/"); |
ae1d13db | 547 | assert(p); |
40205d70 | 548 | |
385080c0 | 549 | r = container_bus_new(m, error, &allocated_bus); |
5f8cc96a LP |
550 | if (r < 0) |
551 | return r; | |
40205d70 | 552 | |
fbe55073 LP |
553 | container_bus = allocated_bus ?: m->manager->bus; |
554 | ||
49af9e13 LP |
555 | getty = strjoina("container-getty@", p, ".service"); |
556 | ||
14456f76 | 557 | r = bus_call_method(container_bus, bus_systemd_mgr, "StartUnit", error, NULL, "ss", getty, "replace"); |
49af9e13 LP |
558 | if (r < 0) |
559 | return r; | |
560 | ||
49af9e13 LP |
561 | r = sd_bus_message_new_method_return(message, &reply); |
562 | if (r < 0) | |
563 | return r; | |
40205d70 | 564 | |
49af9e13 | 565 | r = sd_bus_message_append(reply, "hs", master, pty_name); |
5f8cc96a LP |
566 | if (r < 0) |
567 | return r; | |
40205d70 | 568 | |
49af9e13 LP |
569 | return sd_bus_send(NULL, reply, NULL); |
570 | } | |
5f8cc96a | 571 | |
49af9e13 | 572 | int bus_machine_method_open_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 573 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *tm = NULL; |
49af9e13 | 574 | _cleanup_free_ char *pty_name = NULL; |
4afd3348 | 575 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *allocated_bus = NULL; |
fbe55073 | 576 | sd_bus *container_bus = NULL; |
40e1f4ea | 577 | _cleanup_close_ int master = -1, slave = -1; |
c46bc7e2 | 578 | _cleanup_strv_free_ char **env = NULL, **args_wire = NULL, **args = NULL; |
49af9e13 LP |
579 | Machine *m = userdata; |
580 | const char *p, *unit, *user, *path, *description, *utmp_id; | |
581 | int r; | |
582 | ||
583 | assert(message); | |
584 | assert(m); | |
585 | ||
586 | r = sd_bus_message_read(message, "ss", &user, &path); | |
587 | if (r < 0) | |
588 | return r; | |
09364a80 | 589 | user = isempty(user) ? "root" : user; |
c46bc7e2 | 590 | r = sd_bus_message_read_strv(message, &args_wire); |
49af9e13 LP |
591 | if (r < 0) |
592 | return r; | |
c46bc7e2 SL |
593 | if (isempty(path)) { |
594 | path = "/bin/sh"; | |
49af9e13 | 595 | |
c46bc7e2 | 596 | args = new0(char*, 3 + 1); |
49af9e13 LP |
597 | if (!args) |
598 | return -ENOMEM; | |
c46bc7e2 SL |
599 | args[0] = strdup("sh"); |
600 | if (!args[0]) | |
601 | return -ENOMEM; | |
602 | args[1] = strdup("-c"); | |
603 | if (!args[1]) | |
604 | return -ENOMEM; | |
605 | r = asprintf(&args[2], | |
606 | "shell=$(getent passwd %s 2>/dev/null | { IFS=: read _ _ _ _ _ _ x; echo \"$x\"; })\n"\ | |
607 | "exec \"${shell:-/bin/sh}\" -l", /* -l is means --login */ | |
09364a80 | 608 | user); |
c46bc7e2 SL |
609 | if (r < 0) { |
610 | args[2] = NULL; | |
611 | return -ENOMEM; | |
612 | } | |
613 | } else { | |
614 | if (!path_is_absolute(path)) | |
615 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified path '%s' is not absolute", path); | |
1cc6c93a | 616 | args = TAKE_PTR(args_wire); |
c46bc7e2 SL |
617 | if (strv_isempty(args)) { |
618 | args = strv_free(args); | |
619 | ||
bea1a013 | 620 | args = strv_new(path); |
c46bc7e2 SL |
621 | if (!args) |
622 | return -ENOMEM; | |
623 | } | |
49af9e13 LP |
624 | } |
625 | ||
626 | r = sd_bus_message_read_strv(message, &env); | |
627 | if (r < 0) | |
628 | return r; | |
629 | if (!strv_env_is_valid(env)) | |
630 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments"); | |
631 | ||
09364a80 MR |
632 | const char *details[] = { |
633 | "machine", m->name, | |
634 | "user", user, | |
635 | "program", path, | |
636 | NULL | |
637 | }; | |
638 | ||
49af9e13 LP |
639 | r = bus_verify_polkit_async( |
640 | message, | |
641 | CAP_SYS_ADMIN, | |
4289c3a7 | 642 | m->class == MACHINE_HOST ? "org.freedesktop.machine1.host-shell" : "org.freedesktop.machine1.shell", |
09364a80 | 643 | details, |
49af9e13 LP |
644 | false, |
645 | UID_INVALID, | |
646 | &m->manager->polkit_registry, | |
647 | error); | |
648 | if (r < 0) | |
649 | return r; | |
650 | if (r == 0) | |
651 | return 1; /* Will call us back */ | |
652 | ||
ae1d13db | 653 | master = machine_openpt(m, O_RDWR|O_NOCTTY|O_CLOEXEC, &pty_name); |
49af9e13 LP |
654 | if (master < 0) |
655 | return master; | |
656 | ||
49af9e13 | 657 | p = path_startswith(pty_name, "/dev/pts/"); |
40e1f4ea LP |
658 | assert(p); |
659 | ||
660 | slave = machine_open_terminal(m, pty_name, O_RDWR|O_NOCTTY|O_CLOEXEC); | |
661 | if (slave < 0) | |
662 | return slave; | |
49af9e13 LP |
663 | |
664 | utmp_id = path_startswith(pty_name, "/dev/"); | |
665 | assert(utmp_id); | |
666 | ||
385080c0 | 667 | r = container_bus_new(m, error, &allocated_bus); |
49af9e13 LP |
668 | if (r < 0) |
669 | return r; | |
670 | ||
fbe55073 LP |
671 | container_bus = allocated_bus ?: m->manager->bus; |
672 | ||
14456f76 | 673 | r = bus_message_new_method_call(container_bus, &tm, bus_systemd_mgr, "StartTransientUnit"); |
49af9e13 LP |
674 | if (r < 0) |
675 | return r; | |
676 | ||
49af9e13 | 677 | /* Name and mode */ |
81d62103 | 678 | unit = strjoina("container-shell@", p, ".service"); |
49af9e13 LP |
679 | r = sd_bus_message_append(tm, "ss", unit, "fail"); |
680 | if (r < 0) | |
681 | return r; | |
682 | ||
683 | /* Properties */ | |
684 | r = sd_bus_message_open_container(tm, 'a', "(sv)"); | |
685 | if (r < 0) | |
686 | return r; | |
687 | ||
09364a80 | 688 | description = strjoina("Shell for User ", user); |
49af9e13 | 689 | r = sd_bus_message_append(tm, |
40e1f4ea | 690 | "(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)", |
49af9e13 | 691 | "Description", "s", description, |
40e1f4ea LP |
692 | "StandardInputFileDescriptor", "h", slave, |
693 | "StandardOutputFileDescriptor", "h", slave, | |
694 | "StandardErrorFileDescriptor", "h", slave, | |
49af9e13 LP |
695 | "SendSIGHUP", "b", true, |
696 | "IgnoreSIGPIPE", "b", false, | |
697 | "KillMode", "s", "mixed", | |
49af9e13 LP |
698 | "TTYReset", "b", true, |
699 | "UtmpIdentifier", "s", utmp_id, | |
700 | "UtmpMode", "s", "user", | |
5f5d8eab LP |
701 | "PAMName", "s", "login", |
702 | "WorkingDirectory", "s", "-~"); | |
49af9e13 LP |
703 | if (r < 0) |
704 | return r; | |
705 | ||
09364a80 | 706 | r = sd_bus_message_append(tm, "(sv)", "User", "s", user); |
49af9e13 LP |
707 | if (r < 0) |
708 | return r; | |
709 | ||
710 | if (!strv_isempty(env)) { | |
711 | r = sd_bus_message_open_container(tm, 'r', "sv"); | |
712 | if (r < 0) | |
713 | return r; | |
714 | ||
715 | r = sd_bus_message_append(tm, "s", "Environment"); | |
716 | if (r < 0) | |
717 | return r; | |
718 | ||
719 | r = sd_bus_message_open_container(tm, 'v', "as"); | |
720 | if (r < 0) | |
721 | return r; | |
722 | ||
723 | r = sd_bus_message_append_strv(tm, env); | |
724 | if (r < 0) | |
725 | return r; | |
726 | ||
727 | r = sd_bus_message_close_container(tm); | |
728 | if (r < 0) | |
729 | return r; | |
730 | ||
731 | r = sd_bus_message_close_container(tm); | |
732 | if (r < 0) | |
733 | return r; | |
734 | } | |
735 | ||
736 | /* Exec container */ | |
737 | r = sd_bus_message_open_container(tm, 'r', "sv"); | |
738 | if (r < 0) | |
739 | return r; | |
740 | ||
741 | r = sd_bus_message_append(tm, "s", "ExecStart"); | |
742 | if (r < 0) | |
743 | return r; | |
744 | ||
745 | r = sd_bus_message_open_container(tm, 'v', "a(sasb)"); | |
746 | if (r < 0) | |
747 | return r; | |
748 | ||
749 | r = sd_bus_message_open_container(tm, 'a', "(sasb)"); | |
750 | if (r < 0) | |
751 | return r; | |
752 | ||
753 | r = sd_bus_message_open_container(tm, 'r', "sasb"); | |
754 | if (r < 0) | |
755 | return r; | |
756 | ||
757 | r = sd_bus_message_append(tm, "s", path); | |
758 | if (r < 0) | |
759 | return r; | |
760 | ||
761 | r = sd_bus_message_append_strv(tm, args); | |
762 | if (r < 0) | |
763 | return r; | |
764 | ||
765 | r = sd_bus_message_append(tm, "b", true); | |
766 | if (r < 0) | |
767 | return r; | |
768 | ||
769 | r = sd_bus_message_close_container(tm); | |
770 | if (r < 0) | |
771 | return r; | |
772 | ||
773 | r = sd_bus_message_close_container(tm); | |
774 | if (r < 0) | |
775 | return r; | |
776 | ||
777 | r = sd_bus_message_close_container(tm); | |
778 | if (r < 0) | |
779 | return r; | |
780 | ||
781 | r = sd_bus_message_close_container(tm); | |
782 | if (r < 0) | |
783 | return r; | |
784 | ||
785 | r = sd_bus_message_close_container(tm); | |
786 | if (r < 0) | |
787 | return r; | |
788 | ||
789 | /* Auxiliary units */ | |
790 | r = sd_bus_message_append(tm, "a(sa(sv))", 0); | |
791 | if (r < 0) | |
792 | return r; | |
793 | ||
794 | r = sd_bus_call(container_bus, tm, 0, error, NULL); | |
ee451d76 LP |
795 | if (r < 0) |
796 | return r; | |
797 | ||
40e1f4ea LP |
798 | slave = safe_close(slave); |
799 | ||
40205d70 LP |
800 | r = sd_bus_message_new_method_return(message, &reply); |
801 | if (r < 0) | |
802 | return r; | |
803 | ||
ee451d76 | 804 | r = sd_bus_message_append(reply, "hs", master, pty_name); |
40205d70 LP |
805 | if (r < 0) |
806 | return r; | |
717603e3 | 807 | |
9030ca46 | 808 | return sd_bus_send(NULL, reply, NULL); |
717603e3 LP |
809 | } |
810 | ||
19070062 | 811 | int bus_machine_method_bind_mount(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
90adaa25 LP |
812 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
813 | char mount_slave[] = "/tmp/propagate.XXXXXX", *mount_tmp, *mount_outside, *p; | |
814 | bool mount_slave_created = false, mount_slave_mounted = false, | |
815 | mount_tmp_created = false, mount_tmp_mounted = false, | |
816 | mount_outside_created = false, mount_outside_mounted = false; | |
d3590ace LP |
817 | _cleanup_free_ char *chased_src = NULL; |
818 | int read_only, make_file_or_directory; | |
90adaa25 LP |
819 | const char *dest, *src; |
820 | Machine *m = userdata; | |
d3590ace | 821 | struct stat st; |
d3590ace | 822 | pid_t child; |
7f43928b | 823 | uid_t uid; |
90adaa25 LP |
824 | int r; |
825 | ||
19070062 LP |
826 | assert(message); |
827 | assert(m); | |
828 | ||
90adaa25 LP |
829 | if (m->class != MACHINE_CONTAINER) |
830 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Bind mounting is only supported on container machines."); | |
831 | ||
d3590ace | 832 | r = sd_bus_message_read(message, "ssbb", &src, &dest, &read_only, &make_file_or_directory); |
90adaa25 LP |
833 | if (r < 0) |
834 | return r; | |
835 | ||
99be45a4 | 836 | if (!path_is_absolute(src) || !path_is_normalized(src)) |
90adaa25 LP |
837 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute and not contain ../."); |
838 | ||
839 | if (isempty(dest)) | |
840 | dest = src; | |
99be45a4 | 841 | else if (!path_is_absolute(dest) || !path_is_normalized(dest)) |
c7abe32b | 842 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute and not contain ../."); |
90adaa25 | 843 | |
70244d1d LP |
844 | r = bus_verify_polkit_async( |
845 | message, | |
846 | CAP_SYS_ADMIN, | |
847 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 848 | NULL, |
70244d1d | 849 | false, |
c529695e | 850 | UID_INVALID, |
70244d1d LP |
851 | &m->manager->polkit_registry, |
852 | error); | |
853 | if (r < 0) | |
854 | return r; | |
855 | if (r == 0) | |
856 | return 1; /* Will call us back */ | |
857 | ||
7f43928b LP |
858 | r = machine_get_uid_shift(m, &uid); |
859 | if (r < 0) | |
860 | return r; | |
861 | if (uid != 0) | |
862 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Can't bind mount on container with user namespacing applied."); | |
863 | ||
90adaa25 LP |
864 | /* One day, when bind mounting /proc/self/fd/n works across |
865 | * namespace boundaries we should rework this logic to make | |
866 | * use of it... */ | |
867 | ||
868 | p = strjoina("/run/systemd/nspawn/propagate/", m->name, "/"); | |
869 | if (laccess(p, F_OK) < 0) | |
870 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Container does not allow propagation of mount points."); | |
871 | ||
a5648b80 | 872 | r = chase_symlinks(src, NULL, CHASE_TRAIL_SLASH, &chased_src, NULL); |
d3590ace LP |
873 | if (r < 0) |
874 | return sd_bus_error_set_errnof(error, r, "Failed to resolve source path: %m"); | |
875 | ||
876 | if (lstat(chased_src, &st) < 0) | |
877 | return sd_bus_error_set_errnof(error, errno, "Failed to stat() source path: %m"); | |
878 | if (S_ISLNK(st.st_mode)) /* This shouldn't really happen, given that we just chased the symlinks above, but let's better be safe… */ | |
879 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Source directory can't be a symbolic link"); | |
880 | ||
90adaa25 LP |
881 | /* Our goal is to install a new bind mount into the container, |
882 | possibly read-only. This is irritatingly complex | |
883 | unfortunately, currently. | |
884 | ||
885 | First, we start by creating a private playground in /tmp, | |
886 | that we can mount MS_SLAVE. (Which is necessary, since | |
ecb0573d | 887 | MS_MOVE cannot be applied to mounts with MS_SHARED parent |
90adaa25 LP |
888 | mounts.) */ |
889 | ||
890 | if (!mkdtemp(mount_slave)) | |
891 | return sd_bus_error_set_errnof(error, errno, "Failed to create playground %s: %m", mount_slave); | |
892 | ||
893 | mount_slave_created = true; | |
894 | ||
21935150 LP |
895 | r = mount_nofollow_verbose(LOG_DEBUG, mount_slave, mount_slave, NULL, MS_BIND, NULL); |
896 | if (r < 0) { | |
897 | sd_bus_error_set_errnof(error, r, "Failed to make bind mount %s: %m", mount_slave); | |
90adaa25 LP |
898 | goto finish; |
899 | } | |
900 | ||
901 | mount_slave_mounted = true; | |
902 | ||
21935150 LP |
903 | r = mount_nofollow_verbose(LOG_DEBUG, NULL, mount_slave, NULL, MS_SLAVE, NULL); |
904 | if (r < 0) { | |
905 | sd_bus_error_set_errnof(error, r, "Failed to remount slave %s: %m", mount_slave); | |
90adaa25 LP |
906 | goto finish; |
907 | } | |
908 | ||
d3590ace | 909 | /* Second, we mount the source file or directory to a directory inside of our MS_SLAVE playground. */ |
90adaa25 | 910 | mount_tmp = strjoina(mount_slave, "/mount"); |
d3590ace | 911 | if (S_ISDIR(st.st_mode)) |
dae8b82e | 912 | r = mkdir_errno_wrapper(mount_tmp, 0700); |
d3590ace LP |
913 | else |
914 | r = touch(mount_tmp); | |
915 | if (r < 0) { | |
d5bc4e68 | 916 | sd_bus_error_set_errnof(error, r, "Failed to create temporary mount point %s: %m", mount_tmp); |
90adaa25 LP |
917 | goto finish; |
918 | } | |
919 | ||
920 | mount_tmp_created = true; | |
921 | ||
21935150 LP |
922 | r = mount_nofollow_verbose(LOG_DEBUG, chased_src, mount_tmp, NULL, MS_BIND, NULL); |
923 | if (r < 0) { | |
924 | sd_bus_error_set_errnof(error, r, "Failed to mount %s: %m", chased_src); | |
90adaa25 LP |
925 | goto finish; |
926 | } | |
927 | ||
928 | mount_tmp_mounted = true; | |
929 | ||
930 | /* Third, we remount the new bind mount read-only if requested. */ | |
21935150 LP |
931 | if (read_only) { |
932 | r = mount_nofollow_verbose(LOG_DEBUG, NULL, mount_tmp, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY, NULL); | |
933 | if (r < 0) { | |
934 | sd_bus_error_set_errnof(error, r, "Failed to remount read-only %s: %m", mount_tmp); | |
90adaa25 LP |
935 | goto finish; |
936 | } | |
21935150 | 937 | } |
90adaa25 | 938 | |
d3590ace | 939 | /* Fourth, we move the new bind mount into the propagation directory. This way it will appear there read-only |
90adaa25 LP |
940 | * right-away. */ |
941 | ||
942 | mount_outside = strjoina("/run/systemd/nspawn/propagate/", m->name, "/XXXXXX"); | |
d3590ace LP |
943 | if (S_ISDIR(st.st_mode)) |
944 | r = mkdtemp(mount_outside) ? 0 : -errno; | |
945 | else { | |
946 | r = mkostemp_safe(mount_outside); | |
947 | safe_close(r); | |
948 | } | |
949 | if (r < 0) { | |
d5bc4e68 | 950 | sd_bus_error_set_errnof(error, r, "Cannot create propagation file or directory %s: %m", mount_outside); |
90adaa25 LP |
951 | goto finish; |
952 | } | |
953 | ||
954 | mount_outside_created = true; | |
955 | ||
21935150 LP |
956 | r = mount_nofollow_verbose(LOG_DEBUG, mount_tmp, mount_outside, NULL, MS_MOVE, NULL); |
957 | if (r < 0) { | |
958 | sd_bus_error_set_errnof(error, r, "Failed to move %s to %s: %m", mount_tmp, mount_outside); | |
90adaa25 LP |
959 | goto finish; |
960 | } | |
961 | ||
962 | mount_outside_mounted = true; | |
963 | mount_tmp_mounted = false; | |
964 | ||
d3590ace LP |
965 | if (S_ISDIR(st.st_mode)) |
966 | (void) rmdir(mount_tmp); | |
967 | else | |
968 | (void) unlink(mount_tmp); | |
90adaa25 LP |
969 | mount_tmp_created = false; |
970 | ||
890084db | 971 | (void) umount_verbose(LOG_DEBUG, mount_slave, UMOUNT_NOFOLLOW); |
90adaa25 LP |
972 | mount_slave_mounted = false; |
973 | ||
974 | (void) rmdir(mount_slave); | |
975 | mount_slave_created = false; | |
976 | ||
977 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) { | |
978 | r = sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
979 | goto finish; | |
980 | } | |
981 | ||
4c253ed1 LP |
982 | r = safe_fork("(sd-bindmnt)", FORK_RESET_SIGNALS, &child); |
983 | if (r < 0) { | |
984 | sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
90adaa25 LP |
985 | goto finish; |
986 | } | |
4c253ed1 | 987 | if (r == 0) { |
5a27b395 | 988 | const char *mount_inside, *q; |
90adaa25 | 989 | int mntfd; |
90adaa25 LP |
990 | |
991 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); | |
992 | ||
993 | q = procfs_file_alloca(m->leader, "ns/mnt"); | |
994 | mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC); | |
995 | if (mntfd < 0) { | |
996 | r = log_error_errno(errno, "Failed to open mount namespace of leader: %m"); | |
997 | goto child_fail; | |
998 | } | |
999 | ||
1000 | if (setns(mntfd, CLONE_NEWNS) < 0) { | |
1001 | r = log_error_errno(errno, "Failed to join namespace of leader: %m"); | |
1002 | goto child_fail; | |
1003 | } | |
1004 | ||
d3590ace LP |
1005 | if (make_file_or_directory) { |
1006 | if (S_ISDIR(st.st_mode)) | |
1007 | (void) mkdir_p(dest, 0755); | |
1008 | else { | |
1009 | (void) mkdir_parents(dest, 0755); | |
5a27b395 | 1010 | (void) mknod(dest, S_IFREG|0600, 0); |
d3590ace LP |
1011 | } |
1012 | } | |
90adaa25 | 1013 | |
5a27b395 | 1014 | mount_inside = strjoina("/run/host/incoming/", basename(mount_outside)); |
21935150 LP |
1015 | r = mount_nofollow_verbose(LOG_ERR, mount_inside, dest, NULL, MS_MOVE, NULL); |
1016 | if (r < 0) | |
90adaa25 | 1017 | goto child_fail; |
90adaa25 LP |
1018 | |
1019 | _exit(EXIT_SUCCESS); | |
1020 | ||
1021 | child_fail: | |
1022 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
1023 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); | |
1024 | ||
1025 | _exit(EXIT_FAILURE); | |
1026 | } | |
1027 | ||
1028 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); | |
1029 | ||
2e87a1fd | 1030 | r = wait_for_terminate_and_check("(sd-bindmnt)", child, 0); |
90adaa25 | 1031 | if (r < 0) { |
c0ffce2b | 1032 | r = sd_bus_error_set_errnof(error, r, "Failed to wait for child: %m"); |
90adaa25 LP |
1033 | goto finish; |
1034 | } | |
2e87a1fd | 1035 | if (r != EXIT_SUCCESS) { |
90adaa25 | 1036 | if (read(errno_pipe_fd[0], &r, sizeof(r)) == sizeof(r)) |
c7abe32b | 1037 | r = sd_bus_error_set_errnof(error, r, "Failed to mount: %m"); |
90adaa25 | 1038 | else |
c0ffce2b | 1039 | r = sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Child failed."); |
90adaa25 LP |
1040 | goto finish; |
1041 | } | |
1042 | ||
1043 | r = sd_bus_reply_method_return(message, NULL); | |
1044 | ||
1045 | finish: | |
1046 | if (mount_outside_mounted) | |
890084db | 1047 | (void) umount_verbose(LOG_DEBUG, mount_outside, UMOUNT_NOFOLLOW); |
d3590ace LP |
1048 | if (mount_outside_created) { |
1049 | if (S_ISDIR(st.st_mode)) | |
1050 | (void) rmdir(mount_outside); | |
1051 | else | |
1052 | (void) unlink(mount_outside); | |
1053 | } | |
90adaa25 LP |
1054 | |
1055 | if (mount_tmp_mounted) | |
890084db | 1056 | (void) umount_verbose(LOG_DEBUG, mount_tmp, UMOUNT_NOFOLLOW); |
d3590ace LP |
1057 | if (mount_tmp_created) { |
1058 | if (S_ISDIR(st.st_mode)) | |
1059 | (void) rmdir(mount_tmp); | |
1060 | else | |
1061 | (void) unlink(mount_tmp); | |
1062 | } | |
90adaa25 LP |
1063 | |
1064 | if (mount_slave_mounted) | |
890084db | 1065 | (void) umount_verbose(LOG_DEBUG, mount_slave, UMOUNT_NOFOLLOW); |
90adaa25 | 1066 | if (mount_slave_created) |
d3590ace | 1067 | (void) rmdir(mount_slave); |
90adaa25 LP |
1068 | |
1069 | return r; | |
1070 | } | |
1071 | ||
19070062 | 1072 | int bus_machine_method_copy(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0c462ea4 | 1073 | const char *src, *dest, *host_path, *container_path, *host_basename, *container_basename, *container_dirname; |
0370612e | 1074 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
652d9040 | 1075 | CopyFlags copy_flags = COPY_REFLINK|COPY_MERGE|COPY_HARDLINKS; |
0370612e LP |
1076 | _cleanup_close_ int hostfd = -1; |
1077 | Machine *m = userdata; | |
0370612e LP |
1078 | bool copy_from; |
1079 | pid_t child; | |
d01cd401 | 1080 | uid_t uid_shift; |
0370612e LP |
1081 | char *t; |
1082 | int r; | |
1083 | ||
19070062 LP |
1084 | assert(message); |
1085 | assert(m); | |
1086 | ||
795c5d31 | 1087 | if (m->manager->n_operations >= OPERATIONS_MAX) |
0370612e LP |
1088 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing copies."); |
1089 | ||
1090 | if (m->class != MACHINE_CONTAINER) | |
1091 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Copying files is only supported on container machines."); | |
1092 | ||
1093 | r = sd_bus_message_read(message, "ss", &src, &dest); | |
1094 | if (r < 0) | |
1095 | return r; | |
1096 | ||
d8440176 RM |
1097 | if (!path_is_absolute(src)) |
1098 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute."); | |
0370612e LP |
1099 | |
1100 | if (isempty(dest)) | |
1101 | dest = src; | |
d8440176 RM |
1102 | else if (!path_is_absolute(dest)) |
1103 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute."); | |
0370612e | 1104 | |
70244d1d LP |
1105 | r = bus_verify_polkit_async( |
1106 | message, | |
1107 | CAP_SYS_ADMIN, | |
1108 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 1109 | NULL, |
70244d1d | 1110 | false, |
c529695e | 1111 | UID_INVALID, |
70244d1d LP |
1112 | &m->manager->polkit_registry, |
1113 | error); | |
1114 | if (r < 0) | |
1115 | return r; | |
1116 | if (r == 0) | |
1117 | return 1; /* Will call us back */ | |
1118 | ||
d01cd401 LP |
1119 | r = machine_get_uid_shift(m, &uid_shift); |
1120 | if (r < 0) | |
1121 | return r; | |
1122 | ||
0370612e LP |
1123 | copy_from = strstr(sd_bus_message_get_member(message), "CopyFrom"); |
1124 | ||
1125 | if (copy_from) { | |
1126 | container_path = src; | |
1127 | host_path = dest; | |
1128 | } else { | |
1129 | host_path = src; | |
1130 | container_path = dest; | |
1131 | } | |
1132 | ||
1133 | host_basename = basename(host_path); | |
0370612e LP |
1134 | |
1135 | container_basename = basename(container_path); | |
1136 | t = strdupa(container_path); | |
1137 | container_dirname = dirname(t); | |
1138 | ||
0c462ea4 | 1139 | hostfd = open_parent(host_path, O_CLOEXEC, 0); |
858a109f | 1140 | if (hostfd < 0) |
0c462ea4 | 1141 | return sd_bus_error_set_errnof(error, hostfd, "Failed to open host directory %s: %m", host_path); |
0370612e LP |
1142 | |
1143 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) | |
1144 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
1145 | ||
4c253ed1 LP |
1146 | r = safe_fork("(sd-copy)", FORK_RESET_SIGNALS, &child); |
1147 | if (r < 0) | |
1148 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
1149 | if (r == 0) { | |
0370612e LP |
1150 | int containerfd; |
1151 | const char *q; | |
1152 | int mntfd; | |
1153 | ||
1154 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); | |
1155 | ||
1156 | q = procfs_file_alloca(m->leader, "ns/mnt"); | |
1157 | mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC); | |
1158 | if (mntfd < 0) { | |
1159 | r = log_error_errno(errno, "Failed to open mount namespace of leader: %m"); | |
1160 | goto child_fail; | |
1161 | } | |
1162 | ||
1163 | if (setns(mntfd, CLONE_NEWNS) < 0) { | |
1164 | r = log_error_errno(errno, "Failed to join namespace of leader: %m"); | |
1165 | goto child_fail; | |
1166 | } | |
1167 | ||
1168 | containerfd = open(container_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY); | |
1169 | if (containerfd < 0) { | |
fe4a1d0f | 1170 | r = log_error_errno(errno, "Failed to open destination directory: %m"); |
0370612e LP |
1171 | goto child_fail; |
1172 | } | |
1173 | ||
d01cd401 LP |
1174 | /* Run the actual copy operation. Note that when an UID shift is set we'll either clamp the UID/GID to |
1175 | * 0 or to the actual UID shift depending on the direction we copy. If no UID shift is set we'll copy | |
1176 | * the UID/GIDs as they are. */ | |
0370612e | 1177 | if (copy_from) |
d01cd401 | 1178 | r = copy_tree_at(containerfd, container_basename, hostfd, host_basename, uid_shift == 0 ? UID_INVALID : 0, uid_shift == 0 ? GID_INVALID : 0, copy_flags); |
0370612e | 1179 | else |
d01cd401 | 1180 | r = copy_tree_at(hostfd, host_basename, containerfd, container_basename, uid_shift == 0 ? UID_INVALID : uid_shift, uid_shift == 0 ? GID_INVALID : uid_shift, copy_flags); |
0370612e LP |
1181 | |
1182 | hostfd = safe_close(hostfd); | |
1183 | containerfd = safe_close(containerfd); | |
1184 | ||
1185 | if (r < 0) { | |
1186 | r = log_error_errno(r, "Failed to copy tree: %m"); | |
1187 | goto child_fail; | |
1188 | } | |
1189 | ||
1190 | _exit(EXIT_SUCCESS); | |
1191 | ||
1192 | child_fail: | |
1193 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
0370612e LP |
1194 | _exit(EXIT_FAILURE); |
1195 | } | |
1196 | ||
1197 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); | |
1198 | ||
795c5d31 | 1199 | /* Copying might take a while, hence install a watch on the child, and return */ |
0370612e | 1200 | |
03c2b288 | 1201 | r = operation_new(m->manager, m, child, message, errno_pipe_fd[0], NULL); |
0370612e | 1202 | if (r < 0) { |
795c5d31 LP |
1203 | (void) sigkill_wait(child); |
1204 | return r; | |
0370612e | 1205 | } |
795c5d31 | 1206 | errno_pipe_fd[0] = -1; |
0370612e LP |
1207 | |
1208 | return 1; | |
1209 | } | |
1210 | ||
ae203207 LP |
1211 | int bus_machine_method_open_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1212 | _cleanup_close_ int fd = -1; | |
1213 | Machine *m = userdata; | |
1214 | int r; | |
1215 | ||
1216 | assert(message); | |
1217 | assert(m); | |
1218 | ||
1219 | r = bus_verify_polkit_async( | |
1220 | message, | |
1221 | CAP_SYS_ADMIN, | |
1222 | "org.freedesktop.machine1.manage-machines", | |
1223 | NULL, | |
1224 | false, | |
1225 | UID_INVALID, | |
1226 | &m->manager->polkit_registry, | |
1227 | error); | |
1228 | if (r < 0) | |
1229 | return r; | |
1230 | if (r == 0) | |
1231 | return 1; /* Will call us back */ | |
1232 | ||
1233 | switch (m->class) { | |
1234 | ||
1235 | case MACHINE_HOST: | |
1236 | fd = open("/", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
1237 | if (fd < 0) | |
1238 | return -errno; | |
1239 | ||
1240 | break; | |
1241 | ||
1242 | case MACHINE_CONTAINER: { | |
1243 | _cleanup_close_ int mntns_fd = -1, root_fd = -1; | |
1244 | _cleanup_close_pair_ int pair[2] = { -1, -1 }; | |
ae203207 LP |
1245 | pid_t child; |
1246 | ||
1247 | r = namespace_open(m->leader, NULL, &mntns_fd, NULL, NULL, &root_fd); | |
1248 | if (r < 0) | |
1249 | return r; | |
1250 | ||
1251 | if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0) | |
1252 | return -errno; | |
1253 | ||
1edcb6a9 LP |
1254 | r = namespace_fork("(sd-openrootns)", "(sd-openroot)", NULL, 0, FORK_RESET_SIGNALS|FORK_DEATHSIG, |
1255 | -1, mntns_fd, -1, -1, root_fd, &child); | |
4c253ed1 LP |
1256 | if (r < 0) |
1257 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
1258 | if (r == 0) { | |
ae203207 LP |
1259 | _cleanup_close_ int dfd = -1; |
1260 | ||
1261 | pair[0] = safe_close(pair[0]); | |
1262 | ||
ae203207 LP |
1263 | dfd = open("/", O_RDONLY|O_CLOEXEC|O_DIRECTORY); |
1264 | if (dfd < 0) | |
1265 | _exit(EXIT_FAILURE); | |
1266 | ||
1267 | r = send_one_fd(pair[1], dfd, 0); | |
1268 | dfd = safe_close(dfd); | |
1269 | if (r < 0) | |
1270 | _exit(EXIT_FAILURE); | |
1271 | ||
1272 | _exit(EXIT_SUCCESS); | |
1273 | } | |
1274 | ||
1275 | pair[1] = safe_close(pair[1]); | |
1276 | ||
1edcb6a9 | 1277 | r = wait_for_terminate_and_check("(sd-openrootns)", child, 0); |
ae203207 LP |
1278 | if (r < 0) |
1279 | return sd_bus_error_set_errnof(error, r, "Failed to wait for child: %m"); | |
2e87a1fd | 1280 | if (r != EXIT_SUCCESS) |
ae203207 LP |
1281 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Child died abnormally."); |
1282 | ||
1283 | fd = receive_one_fd(pair[0], MSG_DONTWAIT); | |
1284 | if (fd < 0) | |
1285 | return fd; | |
1286 | ||
1287 | break; | |
1288 | } | |
1289 | ||
1290 | default: | |
1291 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Opening the root directory is only supported on container machines."); | |
1292 | } | |
1293 | ||
1294 | return sd_bus_reply_method_return(message, "h", fd); | |
1295 | } | |
1296 | ||
3401419b LP |
1297 | int bus_machine_method_get_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1298 | Machine *m = userdata; | |
1299 | uid_t shift = 0; | |
1300 | int r; | |
1301 | ||
1302 | assert(message); | |
1303 | assert(m); | |
1304 | ||
1305 | /* You wonder why this is a method and not a property? Well, properties are not supposed to return errors, but | |
1306 | * we kinda have to for this. */ | |
1307 | ||
1308 | if (m->class == MACHINE_HOST) | |
1309 | return sd_bus_reply_method_return(message, "u", UINT32_C(0)); | |
1310 | ||
1311 | if (m->class != MACHINE_CONTAINER) | |
1312 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "UID/GID shift may only be determined for container machines."); | |
1313 | ||
1314 | r = machine_get_uid_shift(m, &shift); | |
1315 | if (r == -ENXIO) | |
1316 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Machine %s uses a complex UID/GID mapping, cannot determine shift", m->name); | |
1317 | if (r < 0) | |
1318 | return r; | |
1319 | ||
1320 | return sd_bus_reply_method_return(message, "u", (uint32_t) shift); | |
1321 | } | |
1322 | ||
4faa530c ZJS |
1323 | static int machine_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
1324 | Manager *m = userdata; | |
1325 | Machine *machine; | |
1326 | int r; | |
1327 | ||
1328 | assert(bus); | |
1329 | assert(path); | |
1330 | assert(interface); | |
1331 | assert(found); | |
1332 | assert(m); | |
1333 | ||
1334 | if (streq(path, "/org/freedesktop/machine1/machine/self")) { | |
1335 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
1336 | sd_bus_message *message; | |
1337 | pid_t pid; | |
1338 | ||
1339 | message = sd_bus_get_current_message(bus); | |
1340 | if (!message) | |
1341 | return 0; | |
1342 | ||
1343 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
1344 | if (r < 0) | |
1345 | return r; | |
1346 | ||
1347 | r = sd_bus_creds_get_pid(creds, &pid); | |
1348 | if (r < 0) | |
1349 | return r; | |
1350 | ||
1351 | r = manager_get_machine_by_pid(m, pid, &machine); | |
1352 | if (r <= 0) | |
1353 | return 0; | |
1354 | } else { | |
1355 | _cleanup_free_ char *e = NULL; | |
1356 | const char *p; | |
1357 | ||
1358 | p = startswith(path, "/org/freedesktop/machine1/machine/"); | |
1359 | if (!p) | |
1360 | return 0; | |
1361 | ||
1362 | e = bus_label_unescape(p); | |
1363 | if (!e) | |
1364 | return -ENOMEM; | |
1365 | ||
1366 | machine = hashmap_get(m->machines, e); | |
1367 | if (!machine) | |
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | *found = machine; | |
1372 | return 1; | |
1373 | } | |
1374 | ||
1375 | char *machine_bus_path(Machine *m) { | |
1376 | _cleanup_free_ char *e = NULL; | |
1377 | ||
1378 | assert(m); | |
1379 | ||
1380 | e = bus_label_escape(m->name); | |
1381 | if (!e) | |
1382 | return NULL; | |
1383 | ||
1384 | return strjoin("/org/freedesktop/machine1/machine/", e); | |
1385 | } | |
1386 | ||
1387 | static int machine_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
1388 | _cleanup_strv_free_ char **l = NULL; | |
1389 | Machine *machine = NULL; | |
1390 | Manager *m = userdata; | |
4faa530c ZJS |
1391 | int r; |
1392 | ||
1393 | assert(bus); | |
1394 | assert(path); | |
1395 | assert(nodes); | |
1396 | ||
90e74a66 | 1397 | HASHMAP_FOREACH(machine, m->machines) { |
4faa530c ZJS |
1398 | char *p; |
1399 | ||
1400 | p = machine_bus_path(machine); | |
1401 | if (!p) | |
1402 | return -ENOMEM; | |
1403 | ||
1404 | r = strv_consume(&l, p); | |
1405 | if (r < 0) | |
1406 | return r; | |
1407 | } | |
1408 | ||
1409 | *nodes = TAKE_PTR(l); | |
1410 | ||
1411 | return 1; | |
1412 | } | |
1413 | ||
1414 | static const sd_bus_vtable machine_vtable[] = { | |
c3350683 | 1415 | SD_BUS_VTABLE_START(0), |
556089dc | 1416 | SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Machine, name), SD_BUS_VTABLE_PROPERTY_CONST), |
766c94ad | 1417 | SD_BUS_PROPERTY("Id", "ay", bus_property_get_id128, offsetof(Machine, id), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
1418 | BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Machine, timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
1419 | SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Machine, service), SD_BUS_VTABLE_PROPERTY_CONST), | |
89f7c846 LP |
1420 | SD_BUS_PROPERTY("Unit", "s", NULL, offsetof(Machine, unit), SD_BUS_VTABLE_PROPERTY_CONST), |
1421 | SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Machine, unit), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), | |
556089dc LP |
1422 | SD_BUS_PROPERTY("Leader", "u", NULL, offsetof(Machine, leader), SD_BUS_VTABLE_PROPERTY_CONST), |
1423 | SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Machine, class), SD_BUS_VTABLE_PROPERTY_CONST), | |
1424 | SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(Machine, root_directory), SD_BUS_VTABLE_PROPERTY_CONST), | |
9b5ed6fe | 1425 | SD_BUS_PROPERTY("NetworkInterfaces", "ai", property_get_netif, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
c3350683 | 1426 | SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0), |
bbe17ca1 ZJS |
1427 | |
1428 | SD_BUS_METHOD("Terminate", | |
1429 | NULL, | |
1430 | NULL, | |
1431 | bus_machine_method_terminate, | |
1432 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1433 | SD_BUS_METHOD_WITH_NAMES("Kill", | |
1434 | "si", | |
1435 | SD_BUS_PARAM(who) | |
1436 | SD_BUS_PARAM(signal), | |
1437 | NULL,, | |
1438 | bus_machine_method_kill, | |
1439 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1440 | SD_BUS_METHOD_WITH_NAMES("GetAddresses", | |
1441 | NULL,, | |
1442 | "a(iay)", | |
1443 | SD_BUS_PARAM(addresses), | |
1444 | bus_machine_method_get_addresses, | |
1445 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1446 | SD_BUS_METHOD_WITH_NAMES("GetOSRelease", | |
1447 | NULL,, | |
1448 | "a{ss}", | |
1449 | SD_BUS_PARAM(fields), | |
1450 | bus_machine_method_get_os_release, | |
1451 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1452 | SD_BUS_METHOD_WITH_NAMES("GetUIDShift", | |
1453 | NULL,, | |
1454 | "u", | |
1455 | SD_BUS_PARAM(shift), | |
1456 | bus_machine_method_get_uid_shift, | |
1457 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1458 | SD_BUS_METHOD_WITH_NAMES("OpenPTY", | |
1459 | NULL,, | |
1460 | "hs", | |
1461 | SD_BUS_PARAM(pty) | |
1462 | SD_BUS_PARAM(pty_path), | |
1463 | bus_machine_method_open_pty, | |
1464 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1465 | SD_BUS_METHOD_WITH_NAMES("OpenLogin", | |
1466 | NULL,, | |
1467 | "hs", | |
1468 | SD_BUS_PARAM(pty) | |
1469 | SD_BUS_PARAM(pty_path), | |
1470 | bus_machine_method_open_login, | |
1471 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1472 | SD_BUS_METHOD_WITH_NAMES("OpenShell", | |
1473 | "ssasas", | |
1474 | SD_BUS_PARAM(user) | |
1475 | SD_BUS_PARAM(path) | |
1476 | SD_BUS_PARAM(args) | |
1477 | SD_BUS_PARAM(environment), | |
1478 | "hs", | |
1479 | SD_BUS_PARAM(pty) | |
1480 | SD_BUS_PARAM(pty_path), | |
1481 | bus_machine_method_open_shell, | |
1482 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1483 | SD_BUS_METHOD_WITH_NAMES("BindMount", | |
1484 | "ssbb", | |
1485 | SD_BUS_PARAM(source) | |
1486 | SD_BUS_PARAM(destination) | |
1487 | SD_BUS_PARAM(read_only) | |
1488 | SD_BUS_PARAM(mkdir), | |
1489 | NULL,, | |
1490 | bus_machine_method_bind_mount, | |
1491 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1492 | SD_BUS_METHOD_WITH_NAMES("CopyFrom", | |
1493 | "ss", | |
1494 | SD_BUS_PARAM(source) | |
1495 | SD_BUS_PARAM(destination), | |
1496 | NULL,, | |
1497 | bus_machine_method_copy, | |
1498 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1499 | SD_BUS_METHOD_WITH_NAMES("CopyTo", | |
1500 | "ss", | |
1501 | SD_BUS_PARAM(source) | |
1502 | SD_BUS_PARAM(destination), | |
1503 | NULL,, | |
1504 | bus_machine_method_copy, | |
1505 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1506 | SD_BUS_METHOD_WITH_NAMES("OpenRootDirectory", | |
1507 | NULL,, | |
1508 | "h", | |
1509 | SD_BUS_PARAM(fd), | |
1510 | bus_machine_method_open_root_directory, | |
1511 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1512 | ||
717603e3 | 1513 | SD_BUS_VTABLE_END |
c3350683 | 1514 | }; |
9444b1f2 | 1515 | |
4faa530c ZJS |
1516 | const BusObjectImplementation machine_object = { |
1517 | "/org/freedesktop/machine1/machine", | |
1518 | "org.freedesktop.machine1.Machine", | |
1519 | .fallback_vtables = BUS_FALLBACK_VTABLES({machine_vtable, machine_object_find}), | |
1520 | .node_enumerator = machine_node_enumerator, | |
1521 | }; | |
927b1649 | 1522 | |
9444b1f2 | 1523 | int machine_send_signal(Machine *m, bool new_machine) { |
9444b1f2 LP |
1524 | _cleanup_free_ char *p = NULL; |
1525 | ||
1526 | assert(m); | |
1527 | ||
9444b1f2 LP |
1528 | p = machine_bus_path(m); |
1529 | if (!p) | |
1530 | return -ENOMEM; | |
1531 | ||
c3350683 LP |
1532 | return sd_bus_emit_signal( |
1533 | m->manager->bus, | |
1534 | "/org/freedesktop/machine1", | |
1535 | "org.freedesktop.machine1.Manager", | |
1536 | new_machine ? "MachineNew" : "MachineRemoved", | |
1537 | "so", m->name, p); | |
9444b1f2 LP |
1538 | } |
1539 | ||
c3350683 | 1540 | int machine_send_create_reply(Machine *m, sd_bus_error *error) { |
4afd3348 | 1541 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *c = NULL; |
9444b1f2 LP |
1542 | _cleanup_free_ char *p = NULL; |
1543 | ||
1544 | assert(m); | |
1545 | ||
fb6becb4 LP |
1546 | if (!m->create_message) |
1547 | return 0; | |
1548 | ||
1cc6c93a | 1549 | c = TAKE_PTR(m->create_message); |
fb6becb4 | 1550 | |
a658cafa | 1551 | if (error) |
df2d202e | 1552 | return sd_bus_reply_method_error(c, error); |
a658cafa | 1553 | |
76e66585 LP |
1554 | /* Update the machine state file before we notify the client |
1555 | * about the result. */ | |
1556 | machine_save(m); | |
1557 | ||
c3350683 LP |
1558 | p = machine_bus_path(m); |
1559 | if (!p) | |
1560 | return -ENOMEM; | |
fb6becb4 | 1561 | |
df2d202e | 1562 | return sd_bus_reply_method_return(c, "o", p); |
fb6becb4 | 1563 | } |