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0ad19a3f | 1 | /* |
2 | * lxc: linux Container library | |
3 | * | |
4 | * (C) Copyright IBM Corp. 2007, 2008 | |
5 | * | |
6 | * Authors: | |
7 | * Daniel Lezcano <dlezcano at fr.ibm.com> | |
8 | * | |
9 | * This library is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
12 | * version 2.1 of the License, or (at your option) any later version. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with this library; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | #define _GNU_SOURCE | |
24 | #include <stdio.h> | |
25 | #undef _GNU_SOURCE | |
26 | #include <stdlib.h> | |
e3b4c4c4 | 27 | #include <stdarg.h> |
0ad19a3f | 28 | #include <errno.h> |
29 | #include <string.h> | |
30 | #include <dirent.h> | |
31 | #include <mntent.h> | |
32 | #include <unistd.h> | |
e3b4c4c4 | 33 | #include <sys/wait.h> |
b0a33c1e | 34 | #include <pty.h> |
0ad19a3f | 35 | |
b3ecde1e DL |
36 | #include <linux/loop.h> |
37 | ||
0ad19a3f | 38 | #include <sys/types.h> |
39 | #include <sys/utsname.h> | |
40 | #include <sys/param.h> | |
41 | #include <sys/stat.h> | |
42 | #include <sys/socket.h> | |
43 | #include <sys/mount.h> | |
44 | #include <sys/mman.h> | |
81810dd1 DL |
45 | #include <sys/prctl.h> |
46 | #include <sys/capability.h> | |
cccc74b5 | 47 | #include <sys/personality.h> |
0ad19a3f | 48 | |
49 | #include <arpa/inet.h> | |
50 | #include <fcntl.h> | |
51 | #include <netinet/in.h> | |
52 | #include <net/if.h> | |
6f4a3756 | 53 | #include <libgen.h> |
0ad19a3f | 54 | |
e5bda9ee | 55 | #include "network.h" |
56 | #include "error.h" | |
b2718c72 | 57 | #include "parse.h" |
881450bb | 58 | #include "config.h" |
1b09f2c0 DL |
59 | #include "utils.h" |
60 | #include "conf.h" | |
61 | #include "log.h" | |
62 | #include "lxc.h" /* for lxc_cgroup_set() */ | |
36eb9bde CLG |
63 | |
64 | lxc_log_define(lxc_conf, lxc); | |
e5bda9ee | 65 | |
0ad19a3f | 66 | #define MAXHWLEN 18 |
67 | #define MAXINDEXLEN 20 | |
442cbbe6 | 68 | #define MAXMTULEN 16 |
0ad19a3f | 69 | #define MAXLINELEN 128 |
70 | ||
fdc03323 DL |
71 | #ifndef MS_REC |
72 | #define MS_REC 16384 | |
73 | #endif | |
74 | ||
c08556c6 DL |
75 | #ifndef MNT_DETACH |
76 | #define MNT_DETACH 2 | |
77 | #endif | |
78 | ||
b09094da MN |
79 | #ifndef CAP_SETFCAP |
80 | #define CAP_SETFCAP 31 | |
81 | #endif | |
82 | ||
83 | #ifndef CAP_MAC_OVERRIDE | |
84 | #define CAP_MAC_OVERRIDE 32 | |
85 | #endif | |
86 | ||
87 | #ifndef CAP_MAC_ADMIN | |
88 | #define CAP_MAC_ADMIN 33 | |
89 | #endif | |
90 | ||
91 | #ifndef PR_CAPBSET_DROP | |
92 | #define PR_CAPBSET_DROP 24 | |
93 | #endif | |
94 | ||
bf601689 MH |
95 | extern int pivot_root(const char * new_root, const char * put_old); |
96 | ||
e3b4c4c4 | 97 | typedef int (*instanciate_cb)(struct lxc_handler *, struct lxc_netdev *); |
0ad19a3f | 98 | |
998ac676 RT |
99 | struct mount_opt { |
100 | char *name; | |
101 | int clear; | |
102 | int flag; | |
103 | }; | |
104 | ||
81810dd1 DL |
105 | struct caps_opt { |
106 | char *name; | |
107 | int value; | |
108 | }; | |
109 | ||
e3b4c4c4 ST |
110 | static int instanciate_veth(struct lxc_handler *, struct lxc_netdev *); |
111 | static int instanciate_macvlan(struct lxc_handler *, struct lxc_netdev *); | |
112 | static int instanciate_vlan(struct lxc_handler *, struct lxc_netdev *); | |
113 | static int instanciate_phys(struct lxc_handler *, struct lxc_netdev *); | |
114 | static int instanciate_empty(struct lxc_handler *, struct lxc_netdev *); | |
82d5ae15 | 115 | |
24654103 DL |
116 | static instanciate_cb netdev_conf[LXC_NET_MAXCONFTYPE + 1] = { |
117 | [LXC_NET_VETH] = instanciate_veth, | |
118 | [LXC_NET_MACVLAN] = instanciate_macvlan, | |
119 | [LXC_NET_VLAN] = instanciate_vlan, | |
120 | [LXC_NET_PHYS] = instanciate_phys, | |
121 | [LXC_NET_EMPTY] = instanciate_empty, | |
0ad19a3f | 122 | }; |
123 | ||
998ac676 RT |
124 | static struct mount_opt mount_opt[] = { |
125 | { "defaults", 0, 0 }, | |
126 | { "ro", 0, MS_RDONLY }, | |
127 | { "rw", 1, MS_RDONLY }, | |
128 | { "suid", 1, MS_NOSUID }, | |
129 | { "nosuid", 0, MS_NOSUID }, | |
130 | { "dev", 1, MS_NODEV }, | |
131 | { "nodev", 0, MS_NODEV }, | |
132 | { "exec", 1, MS_NOEXEC }, | |
133 | { "noexec", 0, MS_NOEXEC }, | |
134 | { "sync", 0, MS_SYNCHRONOUS }, | |
135 | { "async", 1, MS_SYNCHRONOUS }, | |
136 | { "remount", 0, MS_REMOUNT }, | |
137 | { "mand", 0, MS_MANDLOCK }, | |
138 | { "nomand", 1, MS_MANDLOCK }, | |
139 | { "atime", 1, MS_NOATIME }, | |
140 | { "noatime", 0, MS_NOATIME }, | |
141 | { "diratime", 1, MS_NODIRATIME }, | |
142 | { "nodiratime", 0, MS_NODIRATIME }, | |
143 | { "bind", 0, MS_BIND }, | |
144 | { "rbind", 0, MS_BIND|MS_REC }, | |
145 | { NULL, 0, 0 }, | |
146 | }; | |
147 | ||
81810dd1 | 148 | static struct caps_opt caps_opt[] = { |
a6afdde9 | 149 | { "chown", CAP_CHOWN }, |
1e11be34 DL |
150 | { "dac_override", CAP_DAC_OVERRIDE }, |
151 | { "dac_read_search", CAP_DAC_READ_SEARCH }, | |
152 | { "fowner", CAP_FOWNER }, | |
153 | { "fsetid", CAP_FSETID }, | |
81810dd1 DL |
154 | { "kill", CAP_KILL }, |
155 | { "setgid", CAP_SETGID }, | |
156 | { "setuid", CAP_SETUID }, | |
157 | { "setpcap", CAP_SETPCAP }, | |
158 | { "linux_immutable", CAP_LINUX_IMMUTABLE }, | |
159 | { "net_bind_service", CAP_NET_BIND_SERVICE }, | |
160 | { "net_broadcast", CAP_NET_BROADCAST }, | |
161 | { "net_admin", CAP_NET_ADMIN }, | |
162 | { "net_raw", CAP_NET_RAW }, | |
163 | { "ipc_lock", CAP_IPC_LOCK }, | |
164 | { "ipc_owner", CAP_IPC_OWNER }, | |
165 | { "sys_module", CAP_SYS_MODULE }, | |
166 | { "sys_rawio", CAP_SYS_RAWIO }, | |
167 | { "sys_chroot", CAP_SYS_CHROOT }, | |
168 | { "sys_ptrace", CAP_SYS_PTRACE }, | |
169 | { "sys_pacct", CAP_SYS_PACCT }, | |
170 | { "sys_admin", CAP_SYS_ADMIN }, | |
171 | { "sys_boot", CAP_SYS_BOOT }, | |
172 | { "sys_nice", CAP_SYS_NICE }, | |
173 | { "sys_resource", CAP_SYS_RESOURCE }, | |
174 | { "sys_time", CAP_SYS_TIME }, | |
175 | { "sys_tty_config", CAP_SYS_TTY_CONFIG }, | |
176 | { "mknod", CAP_MKNOD }, | |
177 | { "lease", CAP_LEASE }, | |
9527e566 | 178 | #ifdef CAP_AUDIT_WRITE |
81810dd1 | 179 | { "audit_write", CAP_AUDIT_WRITE }, |
9527e566 FW |
180 | #endif |
181 | #ifdef CAP_AUDIT_CONTROL | |
81810dd1 | 182 | { "audit_control", CAP_AUDIT_CONTROL }, |
9527e566 | 183 | #endif |
81810dd1 DL |
184 | { "setfcap", CAP_SETFCAP }, |
185 | { "mac_override", CAP_MAC_OVERRIDE }, | |
186 | { "mac_admin", CAP_MAC_ADMIN }, | |
81810dd1 DL |
187 | }; |
188 | ||
751d9dcd DL |
189 | static int run_script(const char *name, const char *section, |
190 | const char *script, ...) | |
e3b4c4c4 | 191 | { |
abbfd20b DL |
192 | int ret; |
193 | FILE *f; | |
194 | char *buffer, *p, *output; | |
195 | size_t size = 0; | |
196 | va_list ap; | |
751d9dcd DL |
197 | |
198 | INFO("Executing script '%s' for container '%s', config section '%s'", | |
199 | script, name, section); | |
e3b4c4c4 | 200 | |
abbfd20b DL |
201 | va_start(ap, script); |
202 | while ((p = va_arg(ap, char *))) | |
203 | size += strlen(p); | |
204 | va_end(ap); | |
205 | ||
206 | size += strlen(script); | |
207 | size += strlen(name); | |
208 | size += strlen(section); | |
209 | ||
210 | buffer = alloca(size + 1); | |
211 | if (!buffer) { | |
212 | ERROR("failed to allocate memory"); | |
751d9dcd DL |
213 | return -1; |
214 | } | |
215 | ||
abbfd20b | 216 | ret = sprintf(buffer, "%s %s %s", script, name, section); |
751d9dcd | 217 | |
abbfd20b DL |
218 | va_start(ap, script); |
219 | while ((p = va_arg(ap, char *))) | |
220 | ret += sprintf(buffer + ret, " %s", p); | |
221 | va_end(ap); | |
751d9dcd | 222 | |
abbfd20b DL |
223 | f = popen(buffer, "r"); |
224 | if (!f) { | |
225 | SYSERROR("popen failed"); | |
226 | return -1; | |
227 | } | |
e3b4c4c4 | 228 | |
abbfd20b DL |
229 | output = malloc(LXC_LOG_BUFFER_SIZE); |
230 | if (!output) { | |
231 | ERROR("failed to allocate memory for script output"); | |
232 | return -1; | |
e3b4c4c4 | 233 | } |
751d9dcd | 234 | |
abbfd20b DL |
235 | while(fgets(output, LXC_LOG_BUFFER_SIZE, f)) |
236 | DEBUG("script output: %s", output); | |
237 | ||
238 | free(output); | |
239 | ||
240 | if (pclose(f)) { | |
241 | ERROR("Script exited on error"); | |
751d9dcd DL |
242 | return -1; |
243 | } | |
244 | ||
245 | return 0; | |
e3b4c4c4 ST |
246 | } |
247 | ||
a6afdde9 | 248 | static int find_fstype_cb(char* buffer, void *data) |
78ae2fcc | 249 | { |
250 | struct cbarg { | |
251 | const char *rootfs; | |
a6afdde9 | 252 | const char *target; |
78ae2fcc | 253 | int mntopt; |
254 | } *cbarg = data; | |
255 | ||
256 | char *fstype; | |
257 | ||
258 | /* we don't try 'nodev' entries */ | |
259 | if (strstr(buffer, "nodev")) | |
260 | return 0; | |
261 | ||
262 | fstype = buffer; | |
b2718c72 | 263 | fstype += lxc_char_left_gc(fstype, strlen(fstype)); |
264 | fstype[lxc_char_right_gc(fstype, strlen(fstype))] = '\0'; | |
78ae2fcc | 265 | |
a6afdde9 DL |
266 | DEBUG("trying to mount '%s'->'%s' with fstype '%s'", |
267 | cbarg->rootfs, cbarg->target, fstype); | |
268 | ||
269 | if (mount(cbarg->rootfs, cbarg->target, fstype, cbarg->mntopt, NULL)) { | |
270 | DEBUG("mount failed with error: %s", strerror(errno)); | |
78ae2fcc | 271 | return 0; |
a6afdde9 | 272 | } |
78ae2fcc | 273 | |
a6afdde9 DL |
274 | INFO("mounted '%s' on '%s', with fstype '%s'", |
275 | cbarg->rootfs, cbarg->target, fstype); | |
78ae2fcc | 276 | |
277 | return 1; | |
278 | } | |
279 | ||
2656d231 | 280 | static int mount_unknow_fs(const char *rootfs, const char *target, int mntopt) |
78ae2fcc | 281 | { |
a6afdde9 | 282 | int i; |
78ae2fcc | 283 | |
284 | struct cbarg { | |
285 | const char *rootfs; | |
a6afdde9 | 286 | const char *target; |
78ae2fcc | 287 | int mntopt; |
288 | } cbarg = { | |
289 | .rootfs = rootfs, | |
a6afdde9 | 290 | .target = target, |
78ae2fcc | 291 | .mntopt = mntopt, |
292 | }; | |
293 | ||
a6afdde9 DL |
294 | /* |
295 | * find the filesystem type with brute force: | |
296 | * first we check with /etc/filesystems, in case the modules | |
78ae2fcc | 297 | * are auto-loaded and fall back to the supported kernel fs |
298 | */ | |
299 | char *fsfile[] = { | |
300 | "/etc/filesystems", | |
301 | "/proc/filesystems", | |
302 | }; | |
303 | ||
a6afdde9 DL |
304 | for (i = 0; i < sizeof(fsfile)/sizeof(fsfile[0]); i++) { |
305 | ||
306 | int ret; | |
307 | ||
308 | if (access(fsfile[i], F_OK)) | |
309 | continue; | |
310 | ||
311 | ret = lxc_file_for_each_line(fsfile[i], find_fstype_cb, &cbarg); | |
312 | if (ret < 0) { | |
313 | ERROR("failed to parse '%s'", fsfile[i]); | |
314 | return -1; | |
315 | } | |
316 | ||
317 | if (ret) | |
318 | return 0; | |
78ae2fcc | 319 | } |
320 | ||
a6afdde9 DL |
321 | ERROR("failed to determine fs type for '%s'", rootfs); |
322 | return -1; | |
323 | } | |
324 | ||
2656d231 | 325 | static int mount_rootfs_dir(const char *rootfs, const char *target) |
a6afdde9 DL |
326 | { |
327 | return mount(rootfs, target, "none", MS_BIND | MS_REC, NULL); | |
328 | } | |
329 | ||
330 | static int setup_lodev(const char *rootfs, int fd, struct loop_info64 *loinfo) | |
331 | { | |
332 | int rfd; | |
333 | int ret = -1; | |
334 | ||
335 | rfd = open(rootfs, O_RDWR); | |
336 | if (rfd < 0) { | |
337 | SYSERROR("failed to open '%s'", rootfs); | |
78ae2fcc | 338 | return -1; |
339 | } | |
340 | ||
a6afdde9 | 341 | memset(loinfo, 0, sizeof(*loinfo)); |
78ae2fcc | 342 | |
a6afdde9 | 343 | loinfo->lo_flags = LO_FLAGS_AUTOCLEAR; |
78ae2fcc | 344 | |
a6afdde9 DL |
345 | if (ioctl(fd, LOOP_SET_FD, rfd)) { |
346 | SYSERROR("failed to LOOP_SET_FD"); | |
347 | goto out; | |
78ae2fcc | 348 | } |
349 | ||
a6afdde9 DL |
350 | if (ioctl(fd, LOOP_SET_STATUS64, loinfo)) { |
351 | SYSERROR("failed to LOOP_SET_STATUS64"); | |
78ae2fcc | 352 | goto out; |
353 | } | |
354 | ||
a6afdde9 | 355 | ret = 0; |
78ae2fcc | 356 | out: |
a6afdde9 | 357 | close(rfd); |
78ae2fcc | 358 | |
a6afdde9 | 359 | return ret; |
78ae2fcc | 360 | } |
361 | ||
2656d231 | 362 | static int mount_rootfs_file(const char *rootfs, const char *target) |
78ae2fcc | 363 | { |
a6afdde9 DL |
364 | struct dirent dirent, *direntp; |
365 | struct loop_info64 loinfo; | |
366 | int ret = -1, fd = -1; | |
367 | DIR *dir; | |
368 | char path[MAXPATHLEN]; | |
78ae2fcc | 369 | |
a6afdde9 DL |
370 | dir = opendir("/dev"); |
371 | if (!dir) { | |
372 | SYSERROR("failed to open '/dev'"); | |
78ae2fcc | 373 | return -1; |
374 | } | |
375 | ||
a6afdde9 DL |
376 | while (!readdir_r(dir, &dirent, &direntp)) { |
377 | ||
378 | if (!direntp) | |
379 | break; | |
380 | ||
381 | if (!strcmp(direntp->d_name, ".")) | |
382 | continue; | |
383 | ||
384 | if (!strcmp(direntp->d_name, "..")) | |
385 | continue; | |
386 | ||
387 | if (strncmp(direntp->d_name, "loop", 4)) | |
388 | continue; | |
389 | ||
390 | sprintf(path, "/dev/%s", direntp->d_name); | |
391 | fd = open(path, O_RDWR); | |
392 | if (fd < 0) | |
393 | continue; | |
394 | ||
395 | if (ioctl(fd, LOOP_GET_STATUS64, &loinfo) == 0) { | |
396 | close(fd); | |
397 | continue; | |
398 | } | |
399 | ||
400 | if (errno != ENXIO) { | |
401 | WARN("unexpected error for ioctl on '%s': %m", | |
402 | direntp->d_name); | |
403 | continue; | |
404 | } | |
405 | ||
406 | DEBUG("found '%s' free lodev", path); | |
407 | ||
408 | ret = setup_lodev(rootfs, fd, &loinfo); | |
409 | if (!ret) | |
2656d231 | 410 | ret = mount_unknow_fs(path, target, 0); |
a6afdde9 DL |
411 | close(fd); |
412 | ||
413 | break; | |
414 | } | |
415 | ||
416 | if (closedir(dir)) | |
417 | WARN("failed to close directory"); | |
418 | ||
419 | return ret; | |
78ae2fcc | 420 | } |
421 | ||
2656d231 | 422 | static int mount_rootfs_block(const char *rootfs, const char *target) |
a6afdde9 | 423 | { |
2656d231 | 424 | return mount_unknow_fs(rootfs, target, 0); |
a6afdde9 DL |
425 | } |
426 | ||
2656d231 | 427 | static int mount_rootfs(const char *rootfs, const char *target) |
0ad19a3f | 428 | { |
b09ef133 | 429 | char absrootfs[MAXPATHLEN]; |
78ae2fcc | 430 | struct stat s; |
a6afdde9 | 431 | int i; |
78ae2fcc | 432 | |
a6afdde9 | 433 | typedef int (*rootfs_cb)(const char *, const char *); |
78ae2fcc | 434 | |
435 | struct rootfs_type { | |
436 | int type; | |
437 | rootfs_cb cb; | |
438 | } rtfs_type[] = { | |
2656d231 DL |
439 | { S_IFDIR, mount_rootfs_dir }, |
440 | { S_IFBLK, mount_rootfs_block }, | |
441 | { S_IFREG, mount_rootfs_file }, | |
78ae2fcc | 442 | }; |
0ad19a3f | 443 | |
4c8ab83b | 444 | if (!realpath(rootfs, absrootfs)) { |
36eb9bde | 445 | SYSERROR("failed to get real path for '%s'", rootfs); |
4c8ab83b | 446 | return -1; |
447 | } | |
b09ef133 | 448 | |
b09ef133 | 449 | if (access(absrootfs, F_OK)) { |
36eb9bde | 450 | SYSERROR("'%s' is not accessible", absrootfs); |
b09ef133 | 451 | return -1; |
452 | } | |
453 | ||
78ae2fcc | 454 | if (stat(absrootfs, &s)) { |
36eb9bde | 455 | SYSERROR("failed to stat '%s'", absrootfs); |
9b0f0477 | 456 | return -1; |
457 | } | |
458 | ||
78ae2fcc | 459 | for (i = 0; i < sizeof(rtfs_type)/sizeof(rtfs_type[0]); i++) { |
9b0f0477 | 460 | |
78ae2fcc | 461 | if (!__S_ISTYPE(s.st_mode, rtfs_type[i].type)) |
462 | continue; | |
9b0f0477 | 463 | |
a6afdde9 | 464 | return rtfs_type[i].cb(absrootfs, target); |
78ae2fcc | 465 | } |
9b0f0477 | 466 | |
36eb9bde | 467 | ERROR("unsupported rootfs type for '%s'", absrootfs); |
78ae2fcc | 468 | return -1; |
0ad19a3f | 469 | } |
470 | ||
4e5440c6 | 471 | static int setup_utsname(struct utsname *utsname) |
0ad19a3f | 472 | { |
4e5440c6 DL |
473 | if (!utsname) |
474 | return 0; | |
0ad19a3f | 475 | |
4e5440c6 DL |
476 | if (sethostname(utsname->nodename, strlen(utsname->nodename))) { |
477 | SYSERROR("failed to set the hostname to '%s'", utsname->nodename); | |
0ad19a3f | 478 | return -1; |
479 | } | |
480 | ||
4e5440c6 | 481 | INFO("'%s' hostname has been setup", utsname->nodename); |
cd54d859 | 482 | |
0ad19a3f | 483 | return 0; |
484 | } | |
485 | ||
33fcb7a0 DL |
486 | static int setup_tty(const struct lxc_rootfs *rootfs, |
487 | const struct lxc_tty_info *tty_info) | |
b0a33c1e | 488 | { |
489 | char path[MAXPATHLEN]; | |
490 | int i; | |
491 | ||
bc9bd0e3 DL |
492 | if (!rootfs->path) |
493 | return 0; | |
494 | ||
b0a33c1e | 495 | for (i = 0; i < tty_info->nbtty; i++) { |
496 | ||
497 | struct lxc_pty_info *pty_info = &tty_info->pty_info[i]; | |
498 | ||
52e35957 | 499 | snprintf(path, sizeof(path), "%s/dev/tty%d", |
12297168 | 500 | rootfs->mount, i + 1); |
b0a33c1e | 501 | |
13954cce | 502 | /* At this point I can not use the "access" function |
b0a33c1e | 503 | * to check the file is present or not because it fails |
504 | * with EACCES errno and I don't know why :( */ | |
13954cce | 505 | |
b0a33c1e | 506 | if (mount(pty_info->name, path, "none", MS_BIND, 0)) { |
36eb9bde | 507 | WARN("failed to mount '%s'->'%s'", |
52e35957 | 508 | pty_info->name, path); |
b0a33c1e | 509 | continue; |
510 | } | |
511 | } | |
512 | ||
cd54d859 DL |
513 | INFO("%d tty(s) has been setup", tty_info->nbtty); |
514 | ||
b0a33c1e | 515 | return 0; |
516 | } | |
517 | ||
7a7ff0c6 | 518 | static int setup_rootfs_pivot_root_cb(char *buffer, void *data) |
bf601689 MH |
519 | { |
520 | struct lxc_list *mountlist, *listentry, *iterator; | |
521 | char *pivotdir, *mountpoint, *mountentry; | |
522 | int found; | |
523 | void **cbparm; | |
524 | ||
525 | mountentry = buffer; | |
526 | cbparm = (void **)data; | |
527 | ||
528 | mountlist = cbparm[0]; | |
529 | pivotdir = cbparm[1]; | |
530 | ||
531 | /* parse entry, first field is mountname, ignore */ | |
532 | mountpoint = strtok(mountentry, " "); | |
533 | if (!mountpoint) | |
534 | return -1; | |
535 | ||
536 | /* second field is mountpoint */ | |
537 | mountpoint = strtok(NULL, " "); | |
538 | if (!mountpoint) | |
539 | return -1; | |
540 | ||
541 | /* only consider mountpoints below old root fs */ | |
542 | if (strncmp(mountpoint, pivotdir, strlen(pivotdir))) | |
543 | return 0; | |
544 | ||
545 | /* filter duplicate mountpoints */ | |
546 | found = 0; | |
547 | lxc_list_for_each(iterator, mountlist) { | |
548 | if (!strcmp(iterator->elem, mountpoint)) { | |
549 | found = 1; | |
550 | break; | |
551 | } | |
552 | } | |
553 | if (found) | |
554 | return 0; | |
555 | ||
556 | /* add entry to list */ | |
557 | listentry = malloc(sizeof(*listentry)); | |
558 | if (!listentry) { | |
559 | SYSERROR("malloc for mountpoint listentry failed"); | |
560 | return -1; | |
561 | } | |
562 | ||
563 | listentry->elem = strdup(mountpoint); | |
564 | if (!listentry->elem) { | |
565 | SYSERROR("strdup failed"); | |
566 | return -1; | |
567 | } | |
568 | lxc_list_add_tail(mountlist, listentry); | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
cc6f6dd7 | 573 | static int umount_oldrootfs(const char *oldrootfs) |
bf601689 | 574 | { |
2382ecff | 575 | char path[MAXPATHLEN]; |
bf601689 MH |
576 | void *cbparm[2]; |
577 | struct lxc_list mountlist, *iterator; | |
578 | int ok, still_mounted, last_still_mounted; | |
bf601689 MH |
579 | |
580 | /* read and parse /proc/mounts in old root fs */ | |
581 | lxc_list_init(&mountlist); | |
582 | ||
cc6f6dd7 DL |
583 | /* oldrootfs is on the top tree directory now */ |
584 | snprintf(path, sizeof(path), "/%s", oldrootfs); | |
bf601689 | 585 | cbparm[0] = &mountlist; |
bf601689 | 586 | |
cc6f6dd7 | 587 | cbparm[1] = strdup(path); |
bf601689 MH |
588 | if (!cbparm[1]) { |
589 | SYSERROR("strdup failed"); | |
590 | return -1; | |
591 | } | |
592 | ||
cc6f6dd7 DL |
593 | snprintf(path, sizeof(path), "%s/proc/mounts", oldrootfs); |
594 | ||
595 | ok = lxc_file_for_each_line(path, | |
596 | setup_rootfs_pivot_root_cb, &cbparm); | |
bf601689 MH |
597 | if (ok < 0) { |
598 | SYSERROR("failed to read or parse mount list '%s'", path); | |
599 | return -1; | |
600 | } | |
601 | ||
602 | /* umount filesystems until none left or list no longer shrinks */ | |
603 | still_mounted = 0; | |
604 | do { | |
605 | last_still_mounted = still_mounted; | |
606 | still_mounted = 0; | |
607 | ||
608 | lxc_list_for_each(iterator, &mountlist) { | |
609 | ||
c08556c6 | 610 | /* umount normally */ |
bf601689 MH |
611 | if (!umount(iterator->elem)) { |
612 | DEBUG("umounted '%s'", (char *)iterator->elem); | |
613 | lxc_list_del(iterator); | |
614 | continue; | |
615 | } | |
616 | ||
bf601689 MH |
617 | still_mounted++; |
618 | } | |
7df119ee | 619 | |
bf601689 MH |
620 | } while (still_mounted > 0 && still_mounted != last_still_mounted); |
621 | ||
7df119ee | 622 | |
c08556c6 DL |
623 | lxc_list_for_each(iterator, &mountlist) { |
624 | ||
625 | /* let's try a lazy umount */ | |
626 | if (!umount2(iterator->elem, MNT_DETACH)) { | |
627 | INFO("lazy unmount of '%s'", (char *)iterator->elem); | |
628 | continue; | |
629 | } | |
630 | ||
631 | /* be more brutal (nfs) */ | |
632 | if (!umount2(iterator->elem, MNT_FORCE)) { | |
633 | INFO("forced unmount of '%s'", (char *)iterator->elem); | |
634 | continue; | |
635 | } | |
636 | ||
7df119ee | 637 | WARN("failed to unmount '%s'", (char *)iterator->elem); |
c08556c6 | 638 | } |
bf601689 | 639 | |
cc6f6dd7 DL |
640 | return 0; |
641 | } | |
642 | ||
643 | static int setup_rootfs_pivot_root(const char *rootfs, const char *pivotdir) | |
644 | { | |
645 | char path[MAXPATHLEN]; | |
646 | int remove_pivotdir = 0; | |
647 | ||
648 | /* change into new root fs */ | |
649 | if (chdir(rootfs)) { | |
650 | SYSERROR("can't chdir to new rootfs '%s'", rootfs); | |
651 | return -1; | |
652 | } | |
653 | ||
654 | if (!pivotdir) | |
3103609d | 655 | pivotdir = "mnt"; |
cc6f6dd7 | 656 | |
4f9293b1 | 657 | /* compute the full path to pivotdir under rootfs */ |
cc6f6dd7 DL |
658 | snprintf(path, sizeof(path), "%s/%s", rootfs, pivotdir); |
659 | ||
660 | if (access(path, F_OK)) { | |
661 | ||
662 | if (mkdir_p(path, 0755)) { | |
663 | SYSERROR("failed to create pivotdir '%s'", path); | |
664 | return -1; | |
665 | } | |
666 | ||
667 | remove_pivotdir = 1; | |
668 | DEBUG("created '%s' directory", path); | |
669 | } | |
670 | ||
671 | DEBUG("mountpoint for old rootfs is '%s'", path); | |
672 | ||
673 | /* pivot_root into our new root fs */ | |
674 | if (pivot_root(".", path)) { | |
675 | SYSERROR("pivot_root syscall failed"); | |
bf601689 MH |
676 | return -1; |
677 | } | |
cc6f6dd7 DL |
678 | |
679 | if (chdir("/")) { | |
680 | SYSERROR("can't chdir to / after pivot_root"); | |
681 | return -1; | |
682 | } | |
683 | ||
684 | DEBUG("pivot_root syscall to '%s' successful", rootfs); | |
685 | ||
686 | /* we switch from absolute path to relative path */ | |
687 | if (umount_oldrootfs(pivotdir)) | |
688 | return -1; | |
bf601689 | 689 | |
c08556c6 DL |
690 | /* remove temporary mount point, we don't consider the removing |
691 | * as fatal */ | |
a91d897a FW |
692 | if (remove_pivotdir && rmdir(pivotdir)) |
693 | WARN("can't remove mountpoint '%s': %m", pivotdir); | |
bf601689 | 694 | |
bf601689 MH |
695 | return 0; |
696 | } | |
697 | ||
33fcb7a0 | 698 | static int setup_rootfs(const struct lxc_rootfs *rootfs) |
0ad19a3f | 699 | { |
33fcb7a0 | 700 | if (!rootfs->path) |
c69bd12f | 701 | return 0; |
0ad19a3f | 702 | |
12297168 | 703 | if (access(rootfs->mount, F_OK)) { |
b1789442 | 704 | SYSERROR("failed to access to '%s', check it is present", |
12297168 | 705 | rootfs->mount); |
b1789442 DL |
706 | return -1; |
707 | } | |
708 | ||
2656d231 | 709 | if (mount_rootfs(rootfs->path, rootfs->mount)) { |
a6afdde9 | 710 | ERROR("failed to mount rootfs"); |
c3f0a28c | 711 | return -1; |
712 | } | |
0ad19a3f | 713 | |
12297168 | 714 | DEBUG("mounted '%s' on '%s'", rootfs->path, rootfs->mount); |
c69bd12f | 715 | |
ac778708 DL |
716 | return 0; |
717 | } | |
718 | ||
719 | int setup_pivot_root(const struct lxc_rootfs *rootfs) | |
720 | { | |
ac778708 DL |
721 | if (!rootfs->path) |
722 | return 0; | |
723 | ||
12297168 | 724 | if (setup_rootfs_pivot_root(rootfs->mount, rootfs->pivot)) { |
cc6f6dd7 | 725 | ERROR("failed to setup pivot root"); |
25368b52 | 726 | return -1; |
c69bd12f DL |
727 | } |
728 | ||
25368b52 | 729 | return 0; |
0ad19a3f | 730 | } |
731 | ||
d852c78c | 732 | static int setup_pts(int pts) |
3c26f34e | 733 | { |
d852c78c DL |
734 | if (!pts) |
735 | return 0; | |
3c26f34e | 736 | |
737 | if (!access("/dev/pts/ptmx", F_OK) && umount("/dev/pts")) { | |
36eb9bde | 738 | SYSERROR("failed to umount 'dev/pts'"); |
3c26f34e | 739 | return -1; |
740 | } | |
741 | ||
a6afdde9 DL |
742 | if (mount("devpts", "/dev/pts", "devpts", MS_MGC_VAL, |
743 | "newinstance,ptmxmode=0666")) { | |
36eb9bde | 744 | SYSERROR("failed to mount a new instance of '/dev/pts'"); |
3c26f34e | 745 | return -1; |
746 | } | |
747 | ||
3c26f34e | 748 | if (access("/dev/ptmx", F_OK)) { |
749 | if (!symlink("/dev/pts/ptmx", "/dev/ptmx")) | |
750 | goto out; | |
36eb9bde | 751 | SYSERROR("failed to symlink '/dev/pts/ptmx'->'/dev/ptmx'"); |
3c26f34e | 752 | return -1; |
753 | } | |
754 | ||
755 | /* fallback here, /dev/pts/ptmx exists just mount bind */ | |
756 | if (mount("/dev/pts/ptmx", "/dev/ptmx", "none", MS_BIND, 0)) { | |
36eb9bde | 757 | SYSERROR("mount failed '/dev/pts/ptmx'->'/dev/ptmx'"); |
3c26f34e | 758 | return -1; |
759 | } | |
cd54d859 DL |
760 | |
761 | INFO("created new pts instance"); | |
d852c78c | 762 | |
3c26f34e | 763 | out: |
764 | return 0; | |
765 | } | |
766 | ||
cccc74b5 DL |
767 | static int setup_personality(int persona) |
768 | { | |
769 | if (persona == -1) | |
770 | return 0; | |
771 | ||
772 | if (personality(persona) < 0) { | |
773 | SYSERROR("failed to set personality to '0x%x'", persona); | |
774 | return -1; | |
775 | } | |
776 | ||
777 | INFO("set personality to '0x%x'", persona); | |
778 | ||
779 | return 0; | |
780 | } | |
781 | ||
33fcb7a0 DL |
782 | static int setup_console(const struct lxc_rootfs *rootfs, |
783 | const struct lxc_console *console) | |
6e590161 | 784 | { |
63376d7d DL |
785 | char path[MAXPATHLEN]; |
786 | struct stat s; | |
52e35957 | 787 | |
63376d7d | 788 | /* We don't have a rootfs, /dev/console will be shared */ |
33fcb7a0 | 789 | if (!rootfs->path) |
63376d7d | 790 | return 0; |
52e35957 | 791 | |
12297168 | 792 | snprintf(path, sizeof(path), "%s/dev/console", rootfs->mount); |
52e35957 | 793 | |
63376d7d | 794 | if (access(path, F_OK)) { |
466978b0 | 795 | WARN("rootfs specified but no console found at '%s'", path); |
63376d7d | 796 | return 0; |
52e35957 DL |
797 | } |
798 | ||
f78a1f32 | 799 | if (console->peer == -1) { |
63376d7d | 800 | INFO("no console output required"); |
f78a1f32 DL |
801 | return 0; |
802 | } | |
ed502555 | 803 | |
63376d7d DL |
804 | if (stat(path, &s)) { |
805 | SYSERROR("failed to stat '%s'", path); | |
806 | return -1; | |
807 | } | |
808 | ||
809 | if (chmod(console->name, s.st_mode)) { | |
810 | SYSERROR("failed to set mode '0%o' to '%s'", | |
811 | s.st_mode, console->name); | |
812 | return -1; | |
813 | } | |
13954cce | 814 | |
63376d7d DL |
815 | if (mount(console->name, path, "none", MS_BIND, 0)) { |
816 | ERROR("failed to mount '%s' on '%s'", console->name, path); | |
6e590161 | 817 | return -1; |
818 | } | |
819 | ||
63376d7d | 820 | INFO("console has been setup"); |
cd54d859 | 821 | |
6e590161 | 822 | return 0; |
823 | } | |
824 | ||
102a5303 | 825 | static int setup_cgroup(const char *name, struct lxc_list *cgroups) |
576f946d | 826 | { |
102a5303 DL |
827 | struct lxc_list *iterator; |
828 | struct lxc_cgroup *cg; | |
88329c69 | 829 | int ret = -1; |
6f4a3756 | 830 | |
102a5303 DL |
831 | if (lxc_list_empty(cgroups)) |
832 | return 0; | |
6f4a3756 | 833 | |
102a5303 | 834 | lxc_list_for_each(iterator, cgroups) { |
13954cce | 835 | |
102a5303 | 836 | cg = iterator->elem; |
6f4a3756 | 837 | |
102a5303 | 838 | if (lxc_cgroup_set(name, cg->subsystem, cg->value)) |
88329c69 | 839 | goto out; |
6f4a3756 | 840 | |
102a5303 | 841 | DEBUG("cgroup '%s' set to '%s'", cg->subsystem, cg->value); |
6f4a3756 | 842 | } |
13954cce | 843 | |
88329c69 | 844 | ret = 0; |
cd54d859 | 845 | INFO("cgroup has been setup"); |
88329c69 MN |
846 | out: |
847 | return ret; | |
576f946d | 848 | } |
849 | ||
998ac676 RT |
850 | static void parse_mntopt(char *opt, unsigned long *flags, char **data) |
851 | { | |
852 | struct mount_opt *mo; | |
853 | ||
854 | /* If opt is found in mount_opt, set or clear flags. | |
855 | * Otherwise append it to data. */ | |
856 | ||
857 | for (mo = &mount_opt[0]; mo->name != NULL; mo++) { | |
858 | if (!strncmp(opt, mo->name, strlen(mo->name))) { | |
859 | if (mo->clear) | |
860 | *flags &= ~mo->flag; | |
861 | else | |
862 | *flags |= mo->flag; | |
863 | return; | |
864 | } | |
865 | } | |
866 | ||
867 | if (strlen(*data)) | |
868 | strcat(*data, ","); | |
869 | strcat(*data, opt); | |
870 | } | |
871 | ||
872 | static int parse_mntopts(struct mntent *mntent, unsigned long *mntflags, | |
873 | char **mntdata) | |
874 | { | |
875 | char *s, *data; | |
876 | char *p, *saveptr = NULL; | |
877 | ||
878 | if (!mntent->mnt_opts) | |
879 | return 0; | |
880 | ||
881 | s = strdup(mntent->mnt_opts); | |
882 | if (!s) { | |
36eb9bde | 883 | SYSERROR("failed to allocate memory"); |
998ac676 RT |
884 | return -1; |
885 | } | |
886 | ||
887 | data = malloc(strlen(s) + 1); | |
888 | if (!data) { | |
36eb9bde | 889 | SYSERROR("failed to allocate memory"); |
998ac676 RT |
890 | free(s); |
891 | return -1; | |
892 | } | |
893 | *data = 0; | |
894 | ||
895 | for (p = strtok_r(s, ",", &saveptr); p != NULL; | |
896 | p = strtok_r(NULL, ",", &saveptr)) | |
897 | parse_mntopt(p, mntflags, &data); | |
898 | ||
899 | if (*data) | |
900 | *mntdata = data; | |
901 | else | |
902 | free(data); | |
903 | free(s); | |
904 | ||
905 | return 0; | |
906 | } | |
907 | ||
e7938e9e | 908 | static int mount_file_entries(FILE *file) |
0ad19a3f | 909 | { |
0ad19a3f | 910 | struct mntent *mntent; |
0ad19a3f | 911 | int ret = -1; |
998ac676 RT |
912 | unsigned long mntflags; |
913 | char *mntdata; | |
0ad19a3f | 914 | |
998ac676 | 915 | while ((mntent = getmntent(file))) { |
1bc60a65 | 916 | |
998ac676 RT |
917 | mntflags = 0; |
918 | mntdata = NULL; | |
919 | if (parse_mntopts(mntent, &mntflags, &mntdata) < 0) { | |
36eb9bde | 920 | ERROR("failed to parse mount option '%s'", |
998ac676 RT |
921 | mntent->mnt_opts); |
922 | goto out; | |
923 | } | |
0ad19a3f | 924 | |
925 | if (mount(mntent->mnt_fsname, mntent->mnt_dir, | |
e76b8764 | 926 | mntent->mnt_type, mntflags & ~MS_REMOUNT, mntdata)) { |
36eb9bde | 927 | SYSERROR("failed to mount '%s' on '%s'", |
0ad19a3f | 928 | mntent->mnt_fsname, mntent->mnt_dir); |
929 | goto out; | |
930 | } | |
998ac676 | 931 | |
e76b8764 CDC |
932 | if ((mntflags & MS_REMOUNT) == MS_REMOUNT || |
933 | ((mntflags & MS_BIND) == MS_BIND)) { | |
934 | ||
935 | DEBUG ("remounting %s on %s to respect bind " \ | |
936 | "or remount options", | |
937 | mntent->mnt_fsname, mntent->mnt_dir); | |
938 | ||
939 | if (mount(mntent->mnt_fsname, mntent->mnt_dir, | |
940 | mntent->mnt_type, | |
941 | mntflags | MS_REMOUNT, mntdata)) { | |
942 | SYSERROR("failed to mount '%s' on '%s'", | |
943 | mntent->mnt_fsname, mntent->mnt_dir); | |
944 | goto out; | |
945 | } | |
946 | } | |
947 | ||
cd54d859 DL |
948 | DEBUG("mounted %s on %s, type %s", mntent->mnt_fsname, |
949 | mntent->mnt_dir, mntent->mnt_type); | |
950 | ||
998ac676 | 951 | free(mntdata); |
0ad19a3f | 952 | } |
cd54d859 | 953 | |
0ad19a3f | 954 | ret = 0; |
cd54d859 DL |
955 | |
956 | INFO("mount points have been setup"); | |
0ad19a3f | 957 | out: |
e7938e9e MN |
958 | return ret; |
959 | } | |
960 | ||
961 | static int setup_mount(const char *fstab) | |
962 | { | |
963 | FILE *file; | |
964 | int ret; | |
965 | ||
966 | if (!fstab) | |
967 | return 0; | |
968 | ||
969 | file = setmntent(fstab, "r"); | |
970 | if (!file) { | |
971 | SYSERROR("failed to use '%s'", fstab); | |
972 | return -1; | |
973 | } | |
974 | ||
975 | ret = mount_file_entries(file); | |
976 | ||
0ad19a3f | 977 | endmntent(file); |
978 | return ret; | |
979 | } | |
980 | ||
e7938e9e MN |
981 | static int setup_mount_entries(struct lxc_list *mount) |
982 | { | |
983 | FILE *file; | |
984 | struct lxc_list *iterator; | |
985 | char *mount_entry; | |
986 | int ret; | |
987 | ||
988 | file = tmpfile(); | |
989 | if (!file) { | |
990 | ERROR("tmpfile error: %m"); | |
991 | return -1; | |
992 | } | |
993 | ||
994 | lxc_list_for_each(iterator, mount) { | |
995 | mount_entry = iterator->elem; | |
1d6b1976 | 996 | fprintf(file, "%s\n", mount_entry); |
e7938e9e MN |
997 | } |
998 | ||
999 | rewind(file); | |
1000 | ||
1001 | ret = mount_file_entries(file); | |
1002 | ||
1003 | fclose(file); | |
1004 | return ret; | |
1005 | } | |
1006 | ||
81810dd1 DL |
1007 | static int setup_caps(struct lxc_list *caps) |
1008 | { | |
1009 | struct lxc_list *iterator; | |
1010 | char *drop_entry; | |
1011 | int i, capid; | |
1012 | ||
1013 | lxc_list_for_each(iterator, caps) { | |
1014 | ||
1015 | drop_entry = iterator->elem; | |
1016 | ||
1017 | capid = -1; | |
1018 | ||
1019 | for (i = 0; i < sizeof(caps_opt)/sizeof(caps_opt[0]); i++) { | |
1020 | ||
1021 | if (strcmp(drop_entry, caps_opt[i].name)) | |
1022 | continue; | |
1023 | ||
1024 | capid = caps_opt[i].value; | |
1025 | break; | |
1026 | } | |
1027 | ||
1028 | if (capid < 0) { | |
1e11be34 DL |
1029 | ERROR("unknown capability %s", drop_entry); |
1030 | return -1; | |
81810dd1 DL |
1031 | } |
1032 | ||
1033 | DEBUG("drop capability '%s' (%d)", drop_entry, capid); | |
1034 | ||
1035 | if (prctl(PR_CAPBSET_DROP, capid, 0, 0, 0)) { | |
1036 | SYSERROR("failed to remove %s capability", drop_entry); | |
1037 | return -1; | |
1038 | } | |
1039 | ||
1040 | } | |
1041 | ||
1042 | DEBUG("capabilities has been setup"); | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
0ad19a3f | 1047 | static int setup_hw_addr(char *hwaddr, const char *ifname) |
1048 | { | |
1049 | struct sockaddr sockaddr; | |
1050 | struct ifreq ifr; | |
1051 | int ret, fd; | |
1052 | ||
3cfc0f3a MN |
1053 | ret = lxc_convert_mac(hwaddr, &sockaddr); |
1054 | if (ret) { | |
1055 | ERROR("mac address '%s' conversion failed : %s", | |
1056 | hwaddr, strerror(-ret)); | |
0ad19a3f | 1057 | return -1; |
1058 | } | |
1059 | ||
1060 | memcpy(ifr.ifr_name, ifname, IFNAMSIZ); | |
1061 | memcpy((char *) &ifr.ifr_hwaddr, (char *) &sockaddr, sizeof(sockaddr)); | |
1062 | ||
1063 | fd = socket(AF_INET, SOCK_DGRAM, 0); | |
1064 | if (fd < 0) { | |
3ab87b66 | 1065 | ERROR("socket failure : %s", strerror(errno)); |
0ad19a3f | 1066 | return -1; |
1067 | } | |
1068 | ||
1069 | ret = ioctl(fd, SIOCSIFHWADDR, &ifr); | |
1070 | close(fd); | |
1071 | if (ret) | |
3ab87b66 | 1072 | ERROR("ioctl failure : %s", strerror(errno)); |
0ad19a3f | 1073 | |
cd54d859 DL |
1074 | DEBUG("mac address '%s' on '%s' has been setup", hwaddr, ifname); |
1075 | ||
0ad19a3f | 1076 | return ret; |
1077 | } | |
1078 | ||
82d5ae15 | 1079 | static int setup_ipv4_addr(struct lxc_list *ip, int ifindex) |
0ad19a3f | 1080 | { |
82d5ae15 DL |
1081 | struct lxc_list *iterator; |
1082 | struct lxc_inetdev *inetdev; | |
3cfc0f3a | 1083 | int err; |
0ad19a3f | 1084 | |
82d5ae15 DL |
1085 | lxc_list_for_each(iterator, ip) { |
1086 | ||
1087 | inetdev = iterator->elem; | |
1088 | ||
0093bb8c DL |
1089 | err = lxc_ipv4_addr_add(ifindex, &inetdev->addr, |
1090 | &inetdev->bcast, inetdev->prefix); | |
3cfc0f3a MN |
1091 | if (err) { |
1092 | ERROR("failed to setup_ipv4_addr ifindex %d : %s", | |
1093 | ifindex, strerror(-err)); | |
82d5ae15 DL |
1094 | return -1; |
1095 | } | |
1096 | } | |
1097 | ||
1098 | return 0; | |
0ad19a3f | 1099 | } |
1100 | ||
82d5ae15 | 1101 | static int setup_ipv6_addr(struct lxc_list *ip, int ifindex) |
0ad19a3f | 1102 | { |
82d5ae15 | 1103 | struct lxc_list *iterator; |
7fa9074f | 1104 | struct lxc_inet6dev *inet6dev; |
3cfc0f3a | 1105 | int err; |
0ad19a3f | 1106 | |
82d5ae15 DL |
1107 | lxc_list_for_each(iterator, ip) { |
1108 | ||
1109 | inet6dev = iterator->elem; | |
1110 | ||
b3df193c | 1111 | err = lxc_ipv6_addr_add(ifindex, &inet6dev->addr, |
0093bb8c DL |
1112 | &inet6dev->mcast, &inet6dev->acast, |
1113 | inet6dev->prefix); | |
3cfc0f3a MN |
1114 | if (err) { |
1115 | ERROR("failed to setup_ipv6_addr ifindex %d : %s", | |
1116 | ifindex, strerror(-err)); | |
82d5ae15 | 1117 | return -1; |
3cfc0f3a | 1118 | } |
82d5ae15 DL |
1119 | } |
1120 | ||
1121 | return 0; | |
0ad19a3f | 1122 | } |
1123 | ||
82d5ae15 | 1124 | static int setup_netdev(struct lxc_netdev *netdev) |
0ad19a3f | 1125 | { |
0ad19a3f | 1126 | char ifname[IFNAMSIZ]; |
0ad19a3f | 1127 | char *current_ifname = ifname; |
3cfc0f3a | 1128 | int err; |
0ad19a3f | 1129 | |
82d5ae15 DL |
1130 | /* empty network namespace */ |
1131 | if (!netdev->ifindex) { | |
1132 | if (netdev->flags | IFF_UP) { | |
3cfc0f3a MN |
1133 | err = lxc_device_up("lo"); |
1134 | if (err) { | |
1135 | ERROR("failed to set the loopback up : %s", | |
1136 | strerror(-err)); | |
82d5ae15 DL |
1137 | return -1; |
1138 | } | |
1139 | return 0; | |
1140 | } | |
0ad19a3f | 1141 | } |
13954cce | 1142 | |
82d5ae15 DL |
1143 | /* retrieve the name of the interface */ |
1144 | if (!if_indextoname(netdev->ifindex, current_ifname)) { | |
36eb9bde | 1145 | ERROR("no interface corresponding to index '%d'", |
82d5ae15 | 1146 | netdev->ifindex); |
0ad19a3f | 1147 | return -1; |
1148 | } | |
13954cce | 1149 | |
018ef520 | 1150 | /* default: let the system to choose one interface name */ |
9d083402 | 1151 | if (!netdev->name) |
fb6d9b2f DL |
1152 | netdev->name = netdev->type == LXC_NET_PHYS ? |
1153 | netdev->link : "eth%d"; | |
018ef520 | 1154 | |
82d5ae15 | 1155 | /* rename the interface name */ |
3cfc0f3a MN |
1156 | err = lxc_device_rename(ifname, netdev->name); |
1157 | if (err) { | |
1158 | ERROR("failed to rename %s->%s : %s", ifname, netdev->name, | |
1159 | strerror(-err)); | |
018ef520 DL |
1160 | return -1; |
1161 | } | |
1162 | ||
1163 | /* Re-read the name of the interface because its name has changed | |
1164 | * and would be automatically allocated by the system | |
1165 | */ | |
82d5ae15 | 1166 | if (!if_indextoname(netdev->ifindex, current_ifname)) { |
018ef520 | 1167 | ERROR("no interface corresponding to index '%d'", |
82d5ae15 | 1168 | netdev->ifindex); |
018ef520 | 1169 | return -1; |
0ad19a3f | 1170 | } |
1171 | ||
82d5ae15 DL |
1172 | /* set a mac address */ |
1173 | if (netdev->hwaddr) { | |
1174 | if (setup_hw_addr(netdev->hwaddr, current_ifname)) { | |
36eb9bde | 1175 | ERROR("failed to setup hw address for '%s'", |
82d5ae15 | 1176 | current_ifname); |
0ad19a3f | 1177 | return -1; |
1178 | } | |
1179 | } | |
1180 | ||
82d5ae15 DL |
1181 | /* setup ipv4 addresses on the interface */ |
1182 | if (setup_ipv4_addr(&netdev->ipv4, netdev->ifindex)) { | |
36eb9bde | 1183 | ERROR("failed to setup ip addresses for '%s'", |
0ad19a3f | 1184 | ifname); |
1185 | return -1; | |
1186 | } | |
1187 | ||
82d5ae15 DL |
1188 | /* setup ipv6 addresses on the interface */ |
1189 | if (setup_ipv6_addr(&netdev->ipv6, netdev->ifindex)) { | |
36eb9bde | 1190 | ERROR("failed to setup ipv6 addresses for '%s'", |
0ad19a3f | 1191 | ifname); |
1192 | return -1; | |
1193 | } | |
1194 | ||
82d5ae15 DL |
1195 | /* set the network device up */ |
1196 | if (netdev->flags | IFF_UP) { | |
3cfc0f3a MN |
1197 | int err; |
1198 | ||
1199 | err = lxc_device_up(current_ifname); | |
1200 | if (err) { | |
1201 | ERROR("failed to set '%s' up : %s", current_ifname, | |
1202 | strerror(-err)); | |
0ad19a3f | 1203 | return -1; |
1204 | } | |
1205 | ||
1206 | /* the network is up, make the loopback up too */ | |
3cfc0f3a MN |
1207 | err = lxc_device_up("lo"); |
1208 | if (err) { | |
1209 | ERROR("failed to set the loopback up : %s", | |
1210 | strerror(-err)); | |
0ad19a3f | 1211 | return -1; |
1212 | } | |
1213 | } | |
1214 | ||
cd54d859 DL |
1215 | DEBUG("'%s' has been setup", current_ifname); |
1216 | ||
0ad19a3f | 1217 | return 0; |
1218 | } | |
1219 | ||
5f4535a3 | 1220 | static int setup_network(struct lxc_list *network) |
0ad19a3f | 1221 | { |
82d5ae15 | 1222 | struct lxc_list *iterator; |
82d5ae15 | 1223 | struct lxc_netdev *netdev; |
0ad19a3f | 1224 | |
5f4535a3 | 1225 | lxc_list_for_each(iterator, network) { |
cd54d859 | 1226 | |
5f4535a3 | 1227 | netdev = iterator->elem; |
82d5ae15 DL |
1228 | |
1229 | if (setup_netdev(netdev)) { | |
1230 | ERROR("failed to setup netdev"); | |
1231 | return -1; | |
1232 | } | |
1233 | } | |
cd54d859 | 1234 | |
5f4535a3 DL |
1235 | if (!lxc_list_empty(network)) |
1236 | INFO("network has been setup"); | |
cd54d859 DL |
1237 | |
1238 | return 0; | |
0ad19a3f | 1239 | } |
1240 | ||
7b379ab3 | 1241 | struct lxc_conf *lxc_conf_init(void) |
089cd8b8 | 1242 | { |
7b379ab3 MN |
1243 | struct lxc_conf *new; |
1244 | ||
1245 | new = malloc(sizeof(*new)); | |
1246 | if (!new) { | |
1247 | ERROR("lxc_conf_init : %m"); | |
1248 | return NULL; | |
1249 | } | |
1250 | memset(new, 0, sizeof(*new)); | |
1251 | ||
cccc74b5 | 1252 | new->personality = -1; |
28a4b0e5 | 1253 | new->console.path = NULL; |
63376d7d DL |
1254 | new->console.peer = -1; |
1255 | new->console.master = -1; | |
1256 | new->console.slave = -1; | |
1257 | new->console.name[0] = '\0'; | |
12297168 | 1258 | new->rootfs.mount = LXCROOTFSMOUNT; |
7b379ab3 MN |
1259 | lxc_list_init(&new->cgroup); |
1260 | lxc_list_init(&new->network); | |
1261 | lxc_list_init(&new->mount_list); | |
81810dd1 | 1262 | lxc_list_init(&new->caps); |
7b379ab3 MN |
1263 | |
1264 | return new; | |
089cd8b8 DL |
1265 | } |
1266 | ||
e3b4c4c4 | 1267 | static int instanciate_veth(struct lxc_handler *handler, struct lxc_netdev *netdev) |
0ad19a3f | 1268 | { |
8634bc19 | 1269 | char veth1buf[IFNAMSIZ], *veth1; |
0e391e57 | 1270 | char veth2buf[IFNAMSIZ], *veth2; |
3cfc0f3a | 1271 | int err; |
13954cce | 1272 | |
e892973e DL |
1273 | if (netdev->priv.veth_attr.pair) |
1274 | veth1 = netdev->priv.veth_attr.pair; | |
8634bc19 MT |
1275 | else { |
1276 | snprintf(veth1buf, sizeof(veth1buf), "vethXXXXXX"); | |
0e391e57 | 1277 | veth1 = mktemp(veth1buf); |
8634bc19 | 1278 | } |
82d5ae15 | 1279 | |
0e391e57 DL |
1280 | snprintf(veth2buf, sizeof(veth2buf), "vethXXXXXX"); |
1281 | veth2 = mktemp(veth2buf); | |
82d5ae15 DL |
1282 | |
1283 | if (!strlen(veth1) || !strlen(veth2)) { | |
1284 | ERROR("failed to allocate a temporary name"); | |
1285 | return -1; | |
0ad19a3f | 1286 | } |
1287 | ||
3cfc0f3a MN |
1288 | err = lxc_veth_create(veth1, veth2); |
1289 | if (err) { | |
1290 | ERROR("failed to create %s-%s : %s", veth1, veth2, | |
1291 | strerror(-err)); | |
6ab9ab6d | 1292 | return -1; |
0ad19a3f | 1293 | } |
13954cce | 1294 | |
82d5ae15 | 1295 | if (netdev->mtu) { |
3cfc0f3a MN |
1296 | err = lxc_device_set_mtu(veth1, atoi(netdev->mtu)); |
1297 | if (!err) | |
1298 | err = lxc_device_set_mtu(veth2, atoi(netdev->mtu)); | |
1299 | if (err) { | |
1300 | ERROR("failed to set mtu '%s' for %s-%s : %s", | |
1301 | netdev->mtu, veth1, veth2, strerror(-err)); | |
eb14c10a | 1302 | goto out_delete; |
75d09f83 DL |
1303 | } |
1304 | } | |
1305 | ||
3cfc0f3a MN |
1306 | if (netdev->link) { |
1307 | err = lxc_bridge_attach(netdev->link, veth1); | |
1308 | if (err) { | |
1309 | ERROR("failed to attach '%s' to the bridge '%s' : %s", | |
1310 | veth1, netdev->link, strerror(-err)); | |
1311 | goto out_delete; | |
1312 | } | |
eb14c10a DL |
1313 | } |
1314 | ||
82d5ae15 DL |
1315 | netdev->ifindex = if_nametoindex(veth2); |
1316 | if (!netdev->ifindex) { | |
36eb9bde | 1317 | ERROR("failed to retrieve the index for %s", veth2); |
eb14c10a DL |
1318 | goto out_delete; |
1319 | } | |
1320 | ||
82d5ae15 | 1321 | if (netdev->flags & IFF_UP) { |
3cfc0f3a MN |
1322 | err = lxc_device_up(veth1); |
1323 | if (err) { | |
1324 | ERROR("failed to set %s up : %s", veth1, | |
1325 | strerror(-err)); | |
eb14c10a | 1326 | goto out_delete; |
0ad19a3f | 1327 | } |
1328 | } | |
1329 | ||
e3b4c4c4 | 1330 | if (netdev->upscript) { |
751d9dcd DL |
1331 | err = run_script(handler->name, "net", netdev->upscript, "up", |
1332 | "veth", veth1, (char*) NULL); | |
1333 | if (err) | |
e3b4c4c4 | 1334 | goto out_delete; |
e3b4c4c4 ST |
1335 | } |
1336 | ||
82d5ae15 DL |
1337 | DEBUG("instanciated veth '%s/%s', index is '%d'", |
1338 | veth1, veth2, netdev->ifindex); | |
1339 | ||
6ab9ab6d | 1340 | return 0; |
eb14c10a DL |
1341 | |
1342 | out_delete: | |
1343 | lxc_device_delete(veth1); | |
6ab9ab6d | 1344 | return -1; |
13954cce | 1345 | } |
d957ae2d | 1346 | |
e3b4c4c4 | 1347 | static int instanciate_macvlan(struct lxc_handler *handler, struct lxc_netdev *netdev) |
0ad19a3f | 1348 | { |
0e391e57 | 1349 | char peerbuf[IFNAMSIZ], *peer; |
3cfc0f3a | 1350 | int err; |
d957ae2d MT |
1351 | |
1352 | if (!netdev->link) { | |
1353 | ERROR("no link specified for macvlan netdev"); | |
1354 | return -1; | |
1355 | } | |
13954cce | 1356 | |
0e391e57 | 1357 | snprintf(peerbuf, sizeof(peerbuf), "mcXXXXXX"); |
82d5ae15 | 1358 | |
0e391e57 | 1359 | peer = mktemp(peerbuf); |
82d5ae15 DL |
1360 | if (!strlen(peer)) { |
1361 | ERROR("failed to make a temporary name"); | |
1362 | return -1; | |
0ad19a3f | 1363 | } |
1364 | ||
3cfc0f3a MN |
1365 | err = lxc_macvlan_create(netdev->link, peer, |
1366 | netdev->priv.macvlan_attr.mode); | |
1367 | if (err) { | |
1368 | ERROR("failed to create macvlan interface '%s' on '%s' : %s", | |
1369 | peer, netdev->link, strerror(-err)); | |
d957ae2d | 1370 | return -1; |
0ad19a3f | 1371 | } |
1372 | ||
82d5ae15 DL |
1373 | netdev->ifindex = if_nametoindex(peer); |
1374 | if (!netdev->ifindex) { | |
36eb9bde | 1375 | ERROR("failed to retrieve the index for %s", peer); |
d957ae2d MT |
1376 | lxc_device_delete(peer); |
1377 | return -1; | |
22ebac19 | 1378 | } |
1379 | ||
e3b4c4c4 | 1380 | if (netdev->upscript) { |
751d9dcd DL |
1381 | err = run_script(handler->name, "net", netdev->upscript, "up", |
1382 | "macvlan", netdev->link, (char*) NULL); | |
1383 | if (err) | |
e3b4c4c4 | 1384 | return -1; |
e3b4c4c4 ST |
1385 | } |
1386 | ||
e892973e DL |
1387 | DEBUG("instanciated macvlan '%s', index is '%d' and mode '%d'", |
1388 | peer, netdev->ifindex, netdev->priv.macvlan_attr.mode); | |
0ad19a3f | 1389 | |
d957ae2d | 1390 | return 0; |
0ad19a3f | 1391 | } |
1392 | ||
26c39028 | 1393 | /* XXX: merge with instanciate_macvlan */ |
e3b4c4c4 | 1394 | static int instanciate_vlan(struct lxc_handler *handler, struct lxc_netdev *netdev) |
26c39028 JHS |
1395 | { |
1396 | char peer[IFNAMSIZ]; | |
3cfc0f3a | 1397 | int err; |
26c39028 JHS |
1398 | |
1399 | if (!netdev->link) { | |
1400 | ERROR("no link specified for vlan netdev"); | |
1401 | return -1; | |
1402 | } | |
1403 | ||
e892973e | 1404 | snprintf(peer, sizeof(peer), "vlan%d", netdev->priv.vlan_attr.vid); |
26c39028 | 1405 | |
3cfc0f3a MN |
1406 | err = lxc_vlan_create(netdev->link, peer, netdev->priv.vlan_attr.vid); |
1407 | if (err) { | |
1408 | ERROR("failed to create vlan interface '%s' on '%s' : %s", | |
1409 | peer, netdev->link, strerror(-err)); | |
26c39028 JHS |
1410 | return -1; |
1411 | } | |
1412 | ||
1413 | netdev->ifindex = if_nametoindex(peer); | |
1414 | if (!netdev->ifindex) { | |
1415 | ERROR("failed to retrieve the ifindex for %s", peer); | |
1416 | lxc_device_delete(peer); | |
1417 | return -1; | |
1418 | } | |
1419 | ||
e892973e DL |
1420 | DEBUG("instanciated vlan '%s', ifindex is '%d'", " vlan1000", |
1421 | netdev->ifindex); | |
1422 | ||
26c39028 JHS |
1423 | return 0; |
1424 | } | |
1425 | ||
e3b4c4c4 | 1426 | static int instanciate_phys(struct lxc_handler *handler, struct lxc_netdev *netdev) |
0ad19a3f | 1427 | { |
6168e99f DL |
1428 | if (!netdev->link) { |
1429 | ERROR("no link specified for the physical interface"); | |
1430 | return -1; | |
1431 | } | |
1432 | ||
9d083402 | 1433 | netdev->ifindex = if_nametoindex(netdev->link); |
82d5ae15 | 1434 | if (!netdev->ifindex) { |
9d083402 | 1435 | ERROR("failed to retrieve the index for %s", netdev->link); |
0ad19a3f | 1436 | return -1; |
1437 | } | |
1438 | ||
e3b4c4c4 ST |
1439 | if (netdev->upscript) { |
1440 | int err; | |
751d9dcd DL |
1441 | err = run_script(handler->name, "net", netdev->upscript, |
1442 | "up", "phys", netdev->link, (char*) NULL); | |
1443 | if (err) | |
e3b4c4c4 | 1444 | return -1; |
e3b4c4c4 ST |
1445 | } |
1446 | ||
82d5ae15 | 1447 | return 0; |
0ad19a3f | 1448 | } |
1449 | ||
e3b4c4c4 | 1450 | static int instanciate_empty(struct lxc_handler *handler, struct lxc_netdev *netdev) |
0ad19a3f | 1451 | { |
82d5ae15 | 1452 | netdev->ifindex = 0; |
e3b4c4c4 ST |
1453 | if (netdev->upscript) { |
1454 | int err; | |
751d9dcd DL |
1455 | err = run_script(handler->name, "net", netdev->upscript, |
1456 | "up", "empty", (char*) NULL); | |
1457 | if (err) | |
e3b4c4c4 | 1458 | return -1; |
e3b4c4c4 | 1459 | } |
82d5ae15 | 1460 | return 0; |
0ad19a3f | 1461 | } |
1462 | ||
e3b4c4c4 | 1463 | int lxc_create_network(struct lxc_handler *handler) |
0ad19a3f | 1464 | { |
e3b4c4c4 | 1465 | struct lxc_list *network = &handler->conf->network; |
82d5ae15 | 1466 | struct lxc_list *iterator; |
82d5ae15 | 1467 | struct lxc_netdev *netdev; |
0ad19a3f | 1468 | |
5f4535a3 | 1469 | lxc_list_for_each(iterator, network) { |
0ad19a3f | 1470 | |
5f4535a3 | 1471 | netdev = iterator->elem; |
13954cce | 1472 | |
24654103 | 1473 | if (netdev->type < 0 || netdev->type > LXC_NET_MAXCONFTYPE) { |
82d5ae15 | 1474 | ERROR("invalid network configuration type '%d'", |
5f4535a3 | 1475 | netdev->type); |
82d5ae15 DL |
1476 | return -1; |
1477 | } | |
0ad19a3f | 1478 | |
e3b4c4c4 | 1479 | if (netdev_conf[netdev->type](handler, netdev)) { |
82d5ae15 DL |
1480 | ERROR("failed to create netdev"); |
1481 | return -1; | |
1482 | } | |
e3b4c4c4 | 1483 | |
0ad19a3f | 1484 | } |
1485 | ||
1486 | return 0; | |
1487 | } | |
1488 | ||
7fef7a06 DL |
1489 | void lxc_delete_network(struct lxc_list *network) |
1490 | { | |
1491 | struct lxc_list *iterator; | |
1492 | struct lxc_netdev *netdev; | |
1493 | ||
1494 | lxc_list_for_each(iterator, network) { | |
1495 | netdev = iterator->elem; | |
96bcd56a | 1496 | if (netdev->ifindex > 0 && netdev->type != LXC_NET_PHYS) |
7fef7a06 DL |
1497 | lxc_device_delete_index(netdev->ifindex); |
1498 | } | |
1499 | } | |
1500 | ||
5f4535a3 | 1501 | int lxc_assign_network(struct lxc_list *network, pid_t pid) |
0ad19a3f | 1502 | { |
82d5ae15 | 1503 | struct lxc_list *iterator; |
82d5ae15 | 1504 | struct lxc_netdev *netdev; |
3cfc0f3a | 1505 | int err; |
0ad19a3f | 1506 | |
5f4535a3 | 1507 | lxc_list_for_each(iterator, network) { |
82d5ae15 | 1508 | |
5f4535a3 | 1509 | netdev = iterator->elem; |
82d5ae15 | 1510 | |
236087a6 DL |
1511 | /* empty network namespace, nothing to move */ |
1512 | if (!netdev->ifindex) | |
1513 | continue; | |
1514 | ||
3cfc0f3a MN |
1515 | err = lxc_device_move(netdev->ifindex, pid); |
1516 | if (err) { | |
1517 | ERROR("failed to move '%s' to the container : %s", | |
1518 | netdev->link, strerror(-err)); | |
82d5ae15 DL |
1519 | return -1; |
1520 | } | |
1521 | ||
9d083402 | 1522 | DEBUG("move '%s' to '%d'", netdev->link, pid); |
0ad19a3f | 1523 | } |
1524 | ||
1525 | return 0; | |
1526 | } | |
1527 | ||
5e4a62bf | 1528 | int lxc_create_tty(const char *name, struct lxc_conf *conf) |
b0a33c1e | 1529 | { |
5e4a62bf | 1530 | struct lxc_tty_info *tty_info = &conf->tty_info; |
985d15b1 | 1531 | int i; |
b0a33c1e | 1532 | |
5e4a62bf DL |
1533 | /* no tty in the configuration */ |
1534 | if (!conf->tty) | |
b0a33c1e | 1535 | return 0; |
1536 | ||
13954cce | 1537 | tty_info->pty_info = |
e4e7d59d | 1538 | malloc(sizeof(*tty_info->pty_info)*conf->tty); |
b0a33c1e | 1539 | if (!tty_info->pty_info) { |
36eb9bde | 1540 | SYSERROR("failed to allocate pty_info"); |
985d15b1 | 1541 | return -1; |
b0a33c1e | 1542 | } |
1543 | ||
985d15b1 | 1544 | for (i = 0; i < conf->tty; i++) { |
13954cce | 1545 | |
b0a33c1e | 1546 | struct lxc_pty_info *pty_info = &tty_info->pty_info[i]; |
1547 | ||
13954cce | 1548 | if (openpty(&pty_info->master, &pty_info->slave, |
b0a33c1e | 1549 | pty_info->name, NULL, NULL)) { |
36eb9bde | 1550 | SYSERROR("failed to create pty #%d", i); |
985d15b1 MT |
1551 | tty_info->nbtty = i; |
1552 | lxc_delete_tty(tty_info); | |
1553 | return -1; | |
b0a33c1e | 1554 | } |
1555 | ||
5332bb84 DL |
1556 | DEBUG("allocated pty '%s' (%d/%d)", |
1557 | pty_info->name, pty_info->master, pty_info->slave); | |
1558 | ||
b035ad62 MS |
1559 | /* Prevent leaking the file descriptors to the container */ |
1560 | fcntl(pty_info->master, F_SETFD, FD_CLOEXEC); | |
1561 | fcntl(pty_info->slave, F_SETFD, FD_CLOEXEC); | |
1562 | ||
b0a33c1e | 1563 | pty_info->busy = 0; |
1564 | } | |
1565 | ||
985d15b1 | 1566 | tty_info->nbtty = conf->tty; |
1ac470c0 DL |
1567 | |
1568 | INFO("tty's configured"); | |
1569 | ||
985d15b1 | 1570 | return 0; |
b0a33c1e | 1571 | } |
1572 | ||
1573 | void lxc_delete_tty(struct lxc_tty_info *tty_info) | |
1574 | { | |
1575 | int i; | |
1576 | ||
1577 | for (i = 0; i < tty_info->nbtty; i++) { | |
1578 | struct lxc_pty_info *pty_info = &tty_info->pty_info[i]; | |
1579 | ||
1580 | close(pty_info->master); | |
1581 | close(pty_info->slave); | |
1582 | } | |
1583 | ||
1584 | free(tty_info->pty_info); | |
1585 | tty_info->nbtty = 0; | |
1586 | } | |
1587 | ||
571e6ec8 | 1588 | int lxc_setup(const char *name, struct lxc_conf *lxc_conf) |
0ad19a3f | 1589 | { |
571e6ec8 | 1590 | if (setup_utsname(lxc_conf->utsname)) { |
36eb9bde | 1591 | ERROR("failed to setup the utsname for '%s'", name); |
95b5ffaf | 1592 | return -1; |
0ad19a3f | 1593 | } |
1594 | ||
5f4535a3 | 1595 | if (setup_network(&lxc_conf->network)) { |
36eb9bde | 1596 | ERROR("failed to setup the network for '%s'", name); |
95b5ffaf | 1597 | return -1; |
0ad19a3f | 1598 | } |
1599 | ||
ac778708 DL |
1600 | if (setup_rootfs(&lxc_conf->rootfs)) { |
1601 | ERROR("failed to setup rootfs for '%s'", name); | |
95b5ffaf | 1602 | return -1; |
0ad19a3f | 1603 | } |
1604 | ||
571e6ec8 | 1605 | if (setup_mount(lxc_conf->fstab)) { |
36eb9bde | 1606 | ERROR("failed to setup the mounts for '%s'", name); |
95b5ffaf | 1607 | return -1; |
576f946d | 1608 | } |
1609 | ||
e7938e9e MN |
1610 | if (setup_mount_entries(&lxc_conf->mount_list)) { |
1611 | ERROR("failed to setup the mount entries for '%s'", name); | |
1612 | return -1; | |
1613 | } | |
1614 | ||
ac778708 DL |
1615 | if (setup_cgroup(name, &lxc_conf->cgroup)) { |
1616 | ERROR("failed to setup the cgroups for '%s'", name); | |
1617 | return -1; | |
1618 | } | |
1619 | ||
33fcb7a0 | 1620 | if (setup_console(&lxc_conf->rootfs, &lxc_conf->console)) { |
36eb9bde | 1621 | ERROR("failed to setup the console for '%s'", name); |
95b5ffaf | 1622 | return -1; |
6e590161 | 1623 | } |
1624 | ||
33fcb7a0 | 1625 | if (setup_tty(&lxc_conf->rootfs, &lxc_conf->tty_info)) { |
36eb9bde | 1626 | ERROR("failed to setup the ttys for '%s'", name); |
95b5ffaf | 1627 | return -1; |
b0a33c1e | 1628 | } |
1629 | ||
ac778708 | 1630 | if (setup_pivot_root(&lxc_conf->rootfs)) { |
36eb9bde | 1631 | ERROR("failed to set rootfs for '%s'", name); |
95b5ffaf | 1632 | return -1; |
ed502555 | 1633 | } |
1634 | ||
571e6ec8 | 1635 | if (setup_pts(lxc_conf->pts)) { |
36eb9bde | 1636 | ERROR("failed to setup the new pts instance"); |
95b5ffaf | 1637 | return -1; |
3c26f34e | 1638 | } |
1639 | ||
cccc74b5 DL |
1640 | if (setup_personality(lxc_conf->personality)) { |
1641 | ERROR("failed to setup personality"); | |
1642 | return -1; | |
1643 | } | |
1644 | ||
81810dd1 DL |
1645 | if (setup_caps(&lxc_conf->caps)) { |
1646 | ERROR("failed to drop capabilities"); | |
1647 | return -1; | |
1648 | } | |
1649 | ||
cd54d859 DL |
1650 | NOTICE("'%s' is setup.", name); |
1651 | ||
0ad19a3f | 1652 | return 0; |
1653 | } |