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Commit | Line | Data |
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c2cc9f0a | 1 | /* |
2 | * lxc: linux Container library | |
3 | * | |
4 | * (C) Copyright IBM Corp. 2007, 2008 | |
5 | * | |
6 | * Authors: | |
9afe19d6 | 7 | * Daniel Lezcano <daniel.lezcano at free.fr> |
c2cc9f0a | 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 | |
250b1eec | 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
c2cc9f0a | 22 | */ |
12a50cc6 | 23 | #define _GNU_SOURCE |
c2cc9f0a | 24 | #include <stdio.h> |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
27 | #include <unistd.h> | |
28 | #include <errno.h> | |
63376d7d | 29 | #include <fcntl.h> |
a84b9932 AV |
30 | #include <ctype.h> |
31 | #include <signal.h> | |
63376d7d | 32 | #include <sys/stat.h> |
c2cc9f0a | 33 | #include <sys/types.h> |
34 | #include <sys/param.h> | |
35 | #include <sys/utsname.h> | |
36 | #include <arpa/inet.h> | |
37 | #include <netinet/in.h> | |
38 | #include <net/if.h> | |
39 | ||
b2718c72 | 40 | #include "parse.h" |
6ff05e18 | 41 | #include "config.h" |
525f0002 | 42 | #include "confile.h" |
26c39028 | 43 | #include "utils.h" |
f2363e38 ÇO |
44 | #include "log.h" |
45 | #include "conf.h" | |
72d0e1cb | 46 | #include "network.h" |
58e0f57d | 47 | #include "lxcseccomp.h" |
36eb9bde | 48 | |
6ff05e18 SG |
49 | #if HAVE_SYS_PERSONALITY_H |
50 | #include <sys/personality.h> | |
51 | #endif | |
52 | ||
36eb9bde | 53 | lxc_log_define(lxc_confile, lxc); |
576f946d | 54 | |
12a50cc6 DE |
55 | static int config_personality(const char *, const char *, struct lxc_conf *); |
56 | static int config_pts(const char *, const char *, struct lxc_conf *); | |
57 | static int config_tty(const char *, const char *, struct lxc_conf *); | |
58 | static int config_ttydir(const char *, const char *, struct lxc_conf *); | |
7e0e1d94 | 59 | static int config_kmsg(const char *, const char *, struct lxc_conf *); |
fe4de9a6 DE |
60 | static int config_lsm_aa_profile(const char *, const char *, struct lxc_conf *); |
61 | static int config_lsm_se_context(const char *, const char *, struct lxc_conf *); | |
12a50cc6 | 62 | static int config_cgroup(const char *, const char *, struct lxc_conf *); |
f6d3e3e4 | 63 | static int config_idmap(const char *, const char *, struct lxc_conf *); |
4a85ce2a SH |
64 | static int config_loglevel(const char *, const char *, struct lxc_conf *); |
65 | static int config_logfile(const char *, const char *, struct lxc_conf *); | |
12a50cc6 DE |
66 | static int config_mount(const char *, const char *, struct lxc_conf *); |
67 | static int config_rootfs(const char *, const char *, struct lxc_conf *); | |
68 | static int config_rootfs_mount(const char *, const char *, struct lxc_conf *); | |
a17b1e65 | 69 | static int config_rootfs_options(const char *, const char *, struct lxc_conf *); |
12a50cc6 DE |
70 | static int config_pivotdir(const char *, const char *, struct lxc_conf *); |
71 | static int config_utsname(const char *, const char *, struct lxc_conf *); | |
72 | static int config_hook(const char *, const char *, struct lxc_conf *lxc_conf); | |
73 | static int config_network_type(const char *, const char *, struct lxc_conf *); | |
74 | static int config_network_flags(const char *, const char *, struct lxc_conf *); | |
75 | static int config_network_link(const char *, const char *, struct lxc_conf *); | |
76 | static int config_network_name(const char *, const char *, struct lxc_conf *); | |
77 | static int config_network_veth_pair(const char *, const char *, struct lxc_conf *); | |
78 | static int config_network_macvlan_mode(const char *, const char *, struct lxc_conf *); | |
79 | static int config_network_hwaddr(const char *, const char *, struct lxc_conf *); | |
80 | static int config_network_vlan_id(const char *, const char *, struct lxc_conf *); | |
81 | static int config_network_mtu(const char *, const char *, struct lxc_conf *); | |
82 | static int config_network_ipv4(const char *, const char *, struct lxc_conf *); | |
83 | static int config_network_ipv4_gateway(const char *, const char *, struct lxc_conf *); | |
8fc8295a DE |
84 | static int config_network_script_up(const char *, const char *, struct lxc_conf *); |
85 | static int config_network_script_down(const char *, const char *, struct lxc_conf *); | |
12a50cc6 DE |
86 | static int config_network_ipv6(const char *, const char *, struct lxc_conf *); |
87 | static int config_network_ipv6_gateway(const char *, const char *, struct lxc_conf *); | |
88 | static int config_cap_drop(const char *, const char *, struct lxc_conf *); | |
1fb86a7c | 89 | static int config_cap_keep(const char *, const char *, struct lxc_conf *); |
12a50cc6 DE |
90 | static int config_console(const char *, const char *, struct lxc_conf *); |
91 | static int config_seccomp(const char *, const char *, struct lxc_conf *); | |
92 | static int config_includefile(const char *, const char *, struct lxc_conf *); | |
93 | static int config_network_nic(const char *, const char *, struct lxc_conf *); | |
94 | static int config_autodev(const char *, const char *, struct lxc_conf *); | |
f0f1d8c0 | 95 | static int config_haltsignal(const char *, const char *, struct lxc_conf *); |
a84b9932 | 96 | static int config_stopsignal(const char *, const char *, struct lxc_conf *); |
ee1e7aa0 SG |
97 | static int config_start(const char *, const char *, struct lxc_conf *); |
98 | static int config_group(const char *, const char *, struct lxc_conf *); | |
c2cc9f0a | 99 | |
72d0e1cb | 100 | static struct lxc_config_t config[] = { |
576f946d | 101 | |
cccc74b5 | 102 | { "lxc.arch", config_personality }, |
e892973e DL |
103 | { "lxc.pts", config_pts }, |
104 | { "lxc.tty", config_tty }, | |
7c6ef2a2 | 105 | { "lxc.devttydir", config_ttydir }, |
7e0e1d94 | 106 | { "lxc.kmsg", config_kmsg }, |
fe4de9a6 DE |
107 | { "lxc.aa_profile", config_lsm_aa_profile }, |
108 | { "lxc.se_context", config_lsm_se_context }, | |
e892973e | 109 | { "lxc.cgroup", config_cgroup }, |
f6d3e3e4 | 110 | { "lxc.id_map", config_idmap }, |
4a85ce2a SH |
111 | { "lxc.loglevel", config_loglevel }, |
112 | { "lxc.logfile", config_logfile }, | |
e892973e | 113 | { "lxc.mount", config_mount }, |
23b7ea69 | 114 | { "lxc.rootfs.mount", config_rootfs_mount }, |
a17b1e65 | 115 | { "lxc.rootfs.options", config_rootfs_options }, |
e892973e | 116 | { "lxc.rootfs", config_rootfs }, |
bf601689 | 117 | { "lxc.pivotdir", config_pivotdir }, |
e892973e | 118 | { "lxc.utsname", config_utsname }, |
26ddeedd | 119 | { "lxc.hook.pre-start", config_hook }, |
12a50cc6 | 120 | { "lxc.hook.pre-mount", config_hook }, |
26ddeedd | 121 | { "lxc.hook.mount", config_hook }, |
f7bee6c6 | 122 | { "lxc.hook.autodev", config_hook }, |
26ddeedd SH |
123 | { "lxc.hook.start", config_hook }, |
124 | { "lxc.hook.post-stop", config_hook }, | |
148e91f5 | 125 | { "lxc.hook.clone", config_hook }, |
e892973e DL |
126 | { "lxc.network.type", config_network_type }, |
127 | { "lxc.network.flags", config_network_flags }, | |
128 | { "lxc.network.link", config_network_link }, | |
129 | { "lxc.network.name", config_network_name }, | |
130 | { "lxc.network.macvlan.mode", config_network_macvlan_mode }, | |
131 | { "lxc.network.veth.pair", config_network_veth_pair }, | |
8fc8295a DE |
132 | { "lxc.network.script.up", config_network_script_up }, |
133 | { "lxc.network.script.down", config_network_script_down }, | |
e892973e DL |
134 | { "lxc.network.hwaddr", config_network_hwaddr }, |
135 | { "lxc.network.mtu", config_network_mtu }, | |
136 | { "lxc.network.vlan.id", config_network_vlan_id }, | |
f8fee0e2 | 137 | { "lxc.network.ipv4.gateway", config_network_ipv4_gateway }, |
e892973e | 138 | { "lxc.network.ipv4", config_network_ipv4 }, |
f8fee0e2 | 139 | { "lxc.network.ipv6.gateway", config_network_ipv6_gateway }, |
e892973e | 140 | { "lxc.network.ipv6", config_network_ipv6 }, |
72d0e1cb SG |
141 | /* config_network_nic must come after all other 'lxc.network.*' entries */ |
142 | { "lxc.network.", config_network_nic }, | |
81810dd1 | 143 | { "lxc.cap.drop", config_cap_drop }, |
1fb86a7c | 144 | { "lxc.cap.keep", config_cap_keep }, |
63376d7d | 145 | { "lxc.console", config_console }, |
8f2c3a70 | 146 | { "lxc.seccomp", config_seccomp }, |
09ad6246 | 147 | { "lxc.include", config_includefile }, |
c6883f38 | 148 | { "lxc.autodev", config_autodev }, |
f0f1d8c0 | 149 | { "lxc.haltsignal", config_haltsignal }, |
a84b9932 | 150 | { "lxc.stopsignal", config_stopsignal }, |
ee1e7aa0 SG |
151 | { "lxc.start.auto", config_start }, |
152 | { "lxc.start.delay", config_start }, | |
153 | { "lxc.start.order", config_start }, | |
154 | { "lxc.group", config_group }, | |
a84b9932 AV |
155 | }; |
156 | ||
157 | struct signame { | |
158 | int num; | |
74a3920a | 159 | const char *name; |
a84b9932 AV |
160 | }; |
161 | ||
74a3920a | 162 | static const struct signame signames[] = { |
a84b9932 AV |
163 | { SIGHUP, "HUP" }, |
164 | { SIGINT, "INT" }, | |
165 | { SIGQUIT, "QUIT" }, | |
166 | { SIGILL, "ILL" }, | |
167 | { SIGABRT, "ABRT" }, | |
168 | { SIGFPE, "FPE" }, | |
169 | { SIGKILL, "KILL" }, | |
170 | { SIGSEGV, "SEGV" }, | |
171 | { SIGPIPE, "PIPE" }, | |
172 | { SIGALRM, "ALRM" }, | |
173 | { SIGTERM, "TERM" }, | |
174 | { SIGUSR1, "USR1" }, | |
175 | { SIGUSR2, "USR2" }, | |
176 | { SIGCHLD, "CHLD" }, | |
177 | { SIGCONT, "CONT" }, | |
178 | { SIGSTOP, "STOP" }, | |
179 | { SIGTSTP, "TSTP" }, | |
180 | { SIGTTIN, "TTIN" }, | |
181 | { SIGTTOU, "TTOU" }, | |
c2cc9f0a | 182 | }; |
183 | ||
72d0e1cb | 184 | static const size_t config_size = sizeof(config)/sizeof(struct lxc_config_t); |
c2cc9f0a | 185 | |
72d0e1cb | 186 | extern struct lxc_config_t *lxc_getconfig(const char *key) |
c2cc9f0a | 187 | { |
188 | int i; | |
189 | ||
190 | for (i = 0; i < config_size; i++) | |
a871ff6b | 191 | if (!strncmp(config[i].name, key, |
c2cc9f0a | 192 | strlen(config[i].name))) |
193 | return &config[i]; | |
194 | return NULL; | |
195 | } | |
196 | ||
72d0e1cb SG |
197 | #define strprint(str, inlen, ...) \ |
198 | do { \ | |
199 | len = snprintf(str, inlen, ##__VA_ARGS__); \ | |
200 | if (len < 0) { SYSERROR("snprintf"); return -1; }; \ | |
201 | fulllen += len; \ | |
202 | if (inlen > 0) { \ | |
203 | if (str) str += len; \ | |
204 | inlen -= len; \ | |
205 | if (inlen < 0) inlen = 0; \ | |
206 | } \ | |
207 | } while (0); | |
208 | ||
209 | int lxc_listconfigs(char *retv, int inlen) | |
210 | { | |
211 | int i, fulllen = 0, len; | |
212 | ||
213 | if (!retv) | |
214 | inlen = 0; | |
215 | else | |
216 | memset(retv, 0, inlen); | |
217 | for (i = 0; i < config_size; i++) { | |
218 | char *s = config[i].name; | |
219 | if (s[strlen(s)-1] == '.') | |
220 | continue; | |
221 | strprint(retv, inlen, "%s\n", s); | |
222 | } | |
223 | return fulllen; | |
224 | } | |
225 | ||
6d03d92a DE |
226 | static int config_string_item(char **conf_item, const char *value) |
227 | { | |
228 | char *new_value; | |
229 | ||
d6eca240 SG |
230 | if (!value || strlen(value) == 0) { |
231 | if (*conf_item) | |
232 | free(*conf_item); | |
233 | *conf_item = NULL; | |
6d03d92a | 234 | return 0; |
d6eca240 | 235 | } |
6d03d92a DE |
236 | |
237 | new_value = strdup(value); | |
238 | if (!new_value) { | |
239 | SYSERROR("failed to strdup '%s': %m", value); | |
240 | return -1; | |
241 | } | |
242 | ||
243 | if (*conf_item) | |
244 | free(*conf_item); | |
245 | *conf_item = new_value; | |
246 | return 0; | |
247 | } | |
248 | ||
249 | static int config_string_item_max(char **conf_item, const char *value, | |
250 | size_t max) | |
251 | { | |
252 | if (strlen(value) >= max) { | |
a5a82508 | 253 | ERROR("%s is too long (>= %lu)", value, (unsigned long)max); |
6d03d92a DE |
254 | return -1; |
255 | } | |
256 | ||
257 | return config_string_item(conf_item, value); | |
258 | } | |
259 | ||
260 | static int config_path_item(char **conf_item, const char *value) | |
261 | { | |
262 | return config_string_item_max(conf_item, value, PATH_MAX); | |
263 | } | |
264 | ||
72d0e1cb SG |
265 | /* |
266 | * config entry is something like "lxc.network.0.ipv4" | |
267 | * the key 'lxc.network.' was found. So we make sure next | |
268 | * comes an integer, find the right callback (by rewriting | |
269 | * the key), and call it. | |
270 | */ | |
12a50cc6 | 271 | static int config_network_nic(const char *key, const char *value, |
72d0e1cb SG |
272 | struct lxc_conf *lxc_conf) |
273 | { | |
274 | char *copy = strdup(key), *p; | |
275 | int ret = -1; | |
276 | struct lxc_config_t *config; | |
277 | ||
278 | if (!copy) { | |
279 | SYSERROR("failed to allocate memory"); | |
280 | return -1; | |
281 | } | |
282 | /* | |
283 | * ok we know that to get here we've got "lxc.network." | |
284 | * and it isn't any of the other network entries. So | |
285 | * after the second . should come an integer (# of defined | |
286 | * nic) followed by a valid entry. | |
287 | */ | |
288 | if (*(key+12) < '0' || *(key+12) > '9') | |
289 | goto out; | |
290 | p = index(key+12, '.'); | |
291 | if (!p) | |
292 | goto out; | |
293 | strcpy(copy+12, p+1); | |
294 | config = lxc_getconfig(copy); | |
295 | if (!config) { | |
296 | ERROR("unknown key %s", key); | |
297 | goto out; | |
298 | } | |
299 | ret = config->cb(key, value, lxc_conf); | |
300 | ||
301 | out: | |
302 | free(copy); | |
303 | return ret; | |
304 | } | |
305 | ||
261658e8 BP |
306 | static int macvlan_mode(int *valuep, const char *value); |
307 | ||
12a50cc6 | 308 | static int config_network_type(const char *key, const char *value, |
e892973e | 309 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 310 | { |
5f4535a3 | 311 | struct lxc_list *network = &lxc_conf->network; |
c2cc9f0a | 312 | struct lxc_netdev *netdev; |
313 | struct lxc_list *list; | |
c2cc9f0a | 314 | |
7d0eb87e SH |
315 | if (!value || strlen(value) == 0) |
316 | return lxc_clear_config_network(lxc_conf); | |
317 | ||
c2cc9f0a | 318 | netdev = malloc(sizeof(*netdev)); |
319 | if (!netdev) { | |
36eb9bde | 320 | SYSERROR("failed to allocate memory"); |
c2cc9f0a | 321 | return -1; |
322 | } | |
323 | ||
82d5ae15 | 324 | memset(netdev, 0, sizeof(*netdev)); |
c2cc9f0a | 325 | lxc_list_init(&netdev->ipv4); |
326 | lxc_list_init(&netdev->ipv6); | |
c2cc9f0a | 327 | |
328 | list = malloc(sizeof(*list)); | |
329 | if (!list) { | |
36eb9bde | 330 | SYSERROR("failed to allocate memory"); |
022de5f3 | 331 | free(netdev); |
c2cc9f0a | 332 | return -1; |
333 | } | |
334 | ||
335 | lxc_list_init(list); | |
5f4535a3 | 336 | list->elem = netdev; |
c2cc9f0a | 337 | |
bac89583 | 338 | lxc_list_add_tail(network, list); |
a871ff6b | 339 | |
c2cc9f0a | 340 | if (!strcmp(value, "veth")) |
24654103 | 341 | netdev->type = LXC_NET_VETH; |
261658e8 | 342 | else if (!strcmp(value, "macvlan")) { |
24654103 | 343 | netdev->type = LXC_NET_MACVLAN; |
261658e8 BP |
344 | macvlan_mode(&netdev->priv.macvlan_attr.mode, "private"); |
345 | } | |
26c39028 | 346 | else if (!strcmp(value, "vlan")) |
24654103 | 347 | netdev->type = LXC_NET_VLAN; |
c2cc9f0a | 348 | else if (!strcmp(value, "phys")) |
24654103 | 349 | netdev->type = LXC_NET_PHYS; |
5f58350a | 350 | else if (!strcmp(value, "empty")) |
24654103 | 351 | netdev->type = LXC_NET_EMPTY; |
26b797f3 SH |
352 | else if (!strcmp(value, "none")) |
353 | netdev->type = LXC_NET_NONE; | |
c2cc9f0a | 354 | else { |
36eb9bde | 355 | ERROR("invalid network type %s", value); |
c2cc9f0a | 356 | return -1; |
357 | } | |
358 | return 0; | |
359 | } | |
360 | ||
a059591e DL |
361 | static int config_ip_prefix(struct in_addr *addr) |
362 | { | |
363 | if (IN_CLASSA(addr->s_addr)) | |
364 | return 32 - IN_CLASSA_NSHIFT; | |
365 | if (IN_CLASSB(addr->s_addr)) | |
366 | return 32 - IN_CLASSB_NSHIFT; | |
367 | if (IN_CLASSC(addr->s_addr)) | |
368 | return 32 - IN_CLASSC_NSHIFT; | |
369 | ||
370 | return 0; | |
371 | } | |
372 | ||
72d0e1cb SG |
373 | /* |
374 | * if you have p="lxc.network.0.link", pass it p+12 | |
375 | * to get back '0' (the index of the nic) | |
376 | */ | |
377 | static int get_network_netdev_idx(const char *key) | |
378 | { | |
379 | int ret, idx; | |
380 | ||
381 | if (*key < '0' || *key > '9') | |
382 | return -1; | |
383 | ret = sscanf(key, "%d", &idx); | |
384 | if (ret != 1) | |
385 | return -1; | |
386 | return idx; | |
387 | } | |
388 | ||
389 | /* | |
390 | * if you have p="lxc.network.0", pass this p+12 and it will return | |
391 | * the netdev of the first configured nic | |
392 | */ | |
393 | static struct lxc_netdev *get_netdev_from_key(const char *key, | |
394 | struct lxc_list *network) | |
395 | { | |
396 | int i = 0, idx = get_network_netdev_idx(key); | |
397 | struct lxc_netdev *netdev = NULL; | |
398 | struct lxc_list *it; | |
399 | if (idx == -1) | |
400 | return NULL; | |
401 | lxc_list_for_each(it, network) { | |
402 | if (idx == i++) { | |
403 | netdev = it->elem; | |
404 | break; | |
405 | } | |
406 | } | |
407 | return netdev; | |
408 | } | |
409 | ||
12a50cc6 DE |
410 | extern int lxc_list_nicconfigs(struct lxc_conf *c, const char *key, |
411 | char *retv, int inlen) | |
72d0e1cb SG |
412 | { |
413 | struct lxc_netdev *netdev; | |
414 | int fulllen = 0, len; | |
415 | ||
416 | netdev = get_netdev_from_key(key+12, &c->network); | |
417 | if (!netdev) | |
418 | return -1; | |
419 | ||
420 | if (!retv) | |
421 | inlen = 0; | |
422 | else | |
423 | memset(retv, 0, inlen); | |
424 | ||
425 | strprint(retv, inlen, "script.up\n"); | |
8fc8295a | 426 | strprint(retv, inlen, "script.down\n"); |
72d0e1cb SG |
427 | if (netdev->type != LXC_NET_EMPTY) { |
428 | strprint(retv, inlen, "flags\n"); | |
429 | strprint(retv, inlen, "link\n"); | |
430 | strprint(retv, inlen, "name\n"); | |
431 | strprint(retv, inlen, "hwaddr\n"); | |
432 | strprint(retv, inlen, "mtu\n"); | |
433 | strprint(retv, inlen, "ipv6\n"); | |
434 | strprint(retv, inlen, "ipv6_gateway\n"); | |
435 | strprint(retv, inlen, "ipv4\n"); | |
436 | strprint(retv, inlen, "ipv4_gateway\n"); | |
437 | } | |
438 | switch(netdev->type) { | |
439 | case LXC_NET_VETH: | |
440 | strprint(retv, inlen, "veth.pair\n"); | |
441 | break; | |
442 | case LXC_NET_MACVLAN: | |
443 | strprint(retv, inlen, "macvlan.mode\n"); | |
444 | break; | |
445 | case LXC_NET_VLAN: | |
446 | strprint(retv, inlen, "vlan.id\n"); | |
447 | break; | |
448 | case LXC_NET_PHYS: | |
449 | break; | |
450 | } | |
451 | return fulllen; | |
452 | } | |
453 | ||
16950ecb DL |
454 | static struct lxc_netdev *network_netdev(const char *key, const char *value, |
455 | struct lxc_list *network) | |
c2cc9f0a | 456 | { |
72d0e1cb | 457 | struct lxc_netdev *netdev = NULL; |
c2cc9f0a | 458 | |
5f4535a3 | 459 | if (lxc_list_empty(network)) { |
16950ecb DL |
460 | ERROR("network is not created for '%s' = '%s' option", |
461 | key, value); | |
33c945e0 | 462 | return NULL; |
c2cc9f0a | 463 | } |
464 | ||
72d0e1cb SG |
465 | if (get_network_netdev_idx(key+12) == -1) |
466 | netdev = lxc_list_last_elem(network); | |
467 | else | |
468 | netdev = get_netdev_from_key(key+12, network); | |
469 | ||
5f4535a3 | 470 | if (!netdev) { |
16950ecb DL |
471 | ERROR("no network device defined for '%s' = '%s' option", |
472 | key, value); | |
33c945e0 | 473 | return NULL; |
c2cc9f0a | 474 | } |
475 | ||
33c945e0 | 476 | return netdev; |
c2cc9f0a | 477 | } |
478 | ||
12a50cc6 | 479 | static int network_ifname(char **valuep, const char *value) |
c2cc9f0a | 480 | { |
c9bb9a85 | 481 | return config_string_item_max(valuep, value, IFNAMSIZ); |
c2cc9f0a | 482 | } |
483 | ||
e892973e DL |
484 | #ifndef MACVLAN_MODE_PRIVATE |
485 | # define MACVLAN_MODE_PRIVATE 1 | |
486 | #endif | |
487 | ||
488 | #ifndef MACVLAN_MODE_VEPA | |
489 | # define MACVLAN_MODE_VEPA 2 | |
490 | #endif | |
491 | ||
492 | #ifndef MACVLAN_MODE_BRIDGE | |
493 | # define MACVLAN_MODE_BRIDGE 4 | |
494 | #endif | |
495 | ||
12a50cc6 | 496 | static int macvlan_mode(int *valuep, const char *value) |
e892973e DL |
497 | { |
498 | struct mc_mode { | |
499 | char *name; | |
500 | int mode; | |
501 | } m[] = { | |
502 | { "private", MACVLAN_MODE_PRIVATE }, | |
503 | { "vepa", MACVLAN_MODE_VEPA }, | |
504 | { "bridge", MACVLAN_MODE_BRIDGE }, | |
505 | }; | |
506 | ||
507 | int i; | |
508 | ||
509 | for (i = 0; i < sizeof(m)/sizeof(m[0]); i++) { | |
510 | if (strcmp(m[i].name, value)) | |
511 | continue; | |
512 | ||
513 | *valuep = m[i].mode; | |
514 | return 0; | |
515 | } | |
516 | ||
517 | return -1; | |
518 | } | |
519 | ||
508c263e SH |
520 | static int rand_complete_hwaddr(char *hwaddr) |
521 | { | |
522 | const char hex[] = "0123456789abcdef"; | |
523 | char *curs = hwaddr; | |
524 | ||
525 | #ifndef HAVE_RAND_R | |
526 | randseed(true); | |
527 | #else | |
528 | unsigned int seed=randseed(false); | |
529 | #endif | |
530 | while (*curs != '\0') | |
531 | { | |
532 | if ( *curs == 'x' || *curs == 'X' ) { | |
533 | if (curs - hwaddr == 1) { | |
534 | //ensure address is unicast | |
535 | #ifdef HAVE_RAND_R | |
536 | *curs = hex[rand_r(&seed) & 0x0E]; | |
537 | } else { | |
538 | *curs = hex[rand_r(&seed) & 0x0F]; | |
539 | #else | |
540 | *curs = hex[rand() & 0x0E]; | |
541 | } else { | |
542 | *curs = hex[rand() & 0x0F]; | |
543 | #endif | |
544 | } | |
545 | } | |
546 | curs++; | |
547 | } | |
548 | return 0; | |
549 | } | |
550 | ||
12a50cc6 | 551 | static int config_network_flags(const char *key, const char *value, |
33c945e0 | 552 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 553 | { |
c2cc9f0a | 554 | struct lxc_netdev *netdev; |
555 | ||
16950ecb | 556 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 557 | if (!netdev) |
c2cc9f0a | 558 | return -1; |
c2cc9f0a | 559 | |
33c945e0 | 560 | netdev->flags |= IFF_UP; |
c2cc9f0a | 561 | |
33c945e0 MT |
562 | return 0; |
563 | } | |
564 | ||
12a50cc6 | 565 | static int config_network_link(const char *key, const char *value, |
33c945e0 MT |
566 | struct lxc_conf *lxc_conf) |
567 | { | |
568 | struct lxc_netdev *netdev; | |
569 | ||
16950ecb | 570 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 571 | if (!netdev) |
c2cc9f0a | 572 | return -1; |
c2cc9f0a | 573 | |
33c945e0 | 574 | return network_ifname(&netdev->link, value); |
c2cc9f0a | 575 | } |
576 | ||
12a50cc6 | 577 | static int config_network_name(const char *key, const char *value, |
33c945e0 | 578 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 579 | { |
c2cc9f0a | 580 | struct lxc_netdev *netdev; |
581 | ||
16950ecb | 582 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 583 | if (!netdev) |
c2cc9f0a | 584 | return -1; |
c2cc9f0a | 585 | |
33c945e0 MT |
586 | return network_ifname(&netdev->name, value); |
587 | } | |
588 | ||
12a50cc6 | 589 | static int config_network_veth_pair(const char *key, const char *value, |
e892973e DL |
590 | struct lxc_conf *lxc_conf) |
591 | { | |
592 | struct lxc_netdev *netdev; | |
593 | ||
594 | netdev = network_netdev(key, value, &lxc_conf->network); | |
595 | if (!netdev) | |
596 | return -1; | |
597 | ||
c5316d60 | 598 | if (netdev->type != LXC_NET_VETH) { |
128d327a | 599 | ERROR("Invalid veth pair for a non-veth netdev"); |
c5316d60 SH |
600 | return -1; |
601 | } | |
e892973e DL |
602 | return network_ifname(&netdev->priv.veth_attr.pair, value); |
603 | } | |
604 | ||
12a50cc6 | 605 | static int config_network_macvlan_mode(const char *key, const char *value, |
e892973e | 606 | struct lxc_conf *lxc_conf) |
8634bc19 MT |
607 | { |
608 | struct lxc_netdev *netdev; | |
609 | ||
610 | netdev = network_netdev(key, value, &lxc_conf->network); | |
611 | if (!netdev) | |
612 | return -1; | |
613 | ||
c5316d60 | 614 | if (netdev->type != LXC_NET_MACVLAN) { |
128d327a | 615 | ERROR("Invalid macvlan.mode for a non-macvlan netdev"); |
c5316d60 SH |
616 | return -1; |
617 | } | |
e892973e | 618 | return macvlan_mode(&netdev->priv.macvlan_attr.mode, value); |
8634bc19 MT |
619 | } |
620 | ||
12a50cc6 | 621 | static int config_network_hwaddr(const char *key, const char *value, |
33c945e0 MT |
622 | struct lxc_conf *lxc_conf) |
623 | { | |
624 | struct lxc_netdev *netdev; | |
625 | ||
508c263e SH |
626 | char *new_value = strdup(value); |
627 | if (!new_value) { | |
628 | SYSERROR("failed to strdup '%s': %m", value); | |
c2cc9f0a | 629 | return -1; |
508c263e SH |
630 | } |
631 | rand_complete_hwaddr(new_value); | |
c2cc9f0a | 632 | |
508c263e SH |
633 | netdev = network_netdev(key, new_value, &lxc_conf->network); |
634 | if (!netdev) { | |
635 | free(new_value); | |
636 | return -1; | |
637 | }; | |
638 | ||
639 | if (!new_value || strlen(new_value) == 0) { | |
640 | free(new_value); | |
641 | netdev->hwaddr = NULL; | |
642 | return 0; | |
643 | } | |
644 | ||
645 | netdev->hwaddr = new_value; | |
646 | return 0; | |
c2cc9f0a | 647 | } |
648 | ||
12a50cc6 | 649 | static int config_network_vlan_id(const char *key, const char *value, |
26c39028 JHS |
650 | struct lxc_conf *lxc_conf) |
651 | { | |
652 | struct lxc_netdev *netdev; | |
653 | ||
654 | netdev = network_netdev(key, value, &lxc_conf->network); | |
655 | if (!netdev) | |
656 | return -1; | |
657 | ||
c5316d60 | 658 | if (netdev->type != LXC_NET_VLAN) { |
128d327a | 659 | ERROR("Invalid vlan.id for a non-macvlan netdev"); |
c5316d60 SH |
660 | return -1; |
661 | } | |
f6cc1de1 | 662 | if (get_u16(&netdev->priv.vlan_attr.vid, value, 0)) |
26c39028 JHS |
663 | return -1; |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
12a50cc6 | 668 | static int config_network_mtu(const char *key, const char *value, |
33c945e0 | 669 | struct lxc_conf *lxc_conf) |
442cbbe6 | 670 | { |
442cbbe6 TR |
671 | struct lxc_netdev *netdev; |
672 | ||
16950ecb | 673 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 674 | if (!netdev) |
442cbbe6 | 675 | return -1; |
442cbbe6 | 676 | |
6d03d92a | 677 | return config_string_item(&netdev->mtu, value); |
442cbbe6 TR |
678 | } |
679 | ||
12a50cc6 | 680 | static int config_network_ipv4(const char *key, const char *value, |
33c945e0 | 681 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 682 | { |
c2cc9f0a | 683 | struct lxc_netdev *netdev; |
33c945e0 | 684 | struct lxc_inetdev *inetdev; |
c2cc9f0a | 685 | struct lxc_list *list; |
686 | char *cursor, *slash, *addr = NULL, *bcast = NULL, *prefix = NULL; | |
687 | ||
16950ecb | 688 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 689 | if (!netdev) |
c2cc9f0a | 690 | return -1; |
c2cc9f0a | 691 | |
692 | inetdev = malloc(sizeof(*inetdev)); | |
693 | if (!inetdev) { | |
36eb9bde | 694 | SYSERROR("failed to allocate ipv4 address"); |
c2cc9f0a | 695 | return -1; |
696 | } | |
697 | memset(inetdev, 0, sizeof(*inetdev)); | |
698 | ||
699 | list = malloc(sizeof(*list)); | |
700 | if (!list) { | |
36eb9bde | 701 | SYSERROR("failed to allocate memory"); |
53719062 | 702 | free(inetdev); |
c2cc9f0a | 703 | return -1; |
704 | } | |
705 | ||
706 | lxc_list_init(list); | |
707 | list->elem = inetdev; | |
708 | ||
956edc54 SG |
709 | addr = strdup(value); |
710 | if (!addr) { | |
711 | ERROR("no address specified"); | |
53719062 SH |
712 | free(inetdev); |
713 | free(list); | |
956edc54 SG |
714 | return -1; |
715 | } | |
c2cc9f0a | 716 | |
717 | cursor = strstr(addr, " "); | |
718 | if (cursor) { | |
719 | *cursor = '\0'; | |
720 | bcast = cursor + 1; | |
721 | } | |
722 | ||
723 | slash = strstr(addr, "/"); | |
724 | if (slash) { | |
725 | *slash = '\0'; | |
726 | prefix = slash + 1; | |
727 | } | |
728 | ||
c2cc9f0a | 729 | if (!inet_pton(AF_INET, addr, &inetdev->addr)) { |
36eb9bde | 730 | SYSERROR("invalid ipv4 address: %s", value); |
53719062 | 731 | free(inetdev); |
956edc54 | 732 | free(addr); |
53719062 | 733 | free(list); |
c2cc9f0a | 734 | return -1; |
735 | } | |
736 | ||
0093bb8c DL |
737 | if (bcast && !inet_pton(AF_INET, bcast, &inetdev->bcast)) { |
738 | SYSERROR("invalid ipv4 broadcast address: %s", value); | |
53719062 SH |
739 | free(inetdev); |
740 | free(list); | |
956edc54 | 741 | free(addr); |
0093bb8c DL |
742 | return -1; |
743 | } | |
c2cc9f0a | 744 | |
a059591e DL |
745 | /* no prefix specified, determine it from the network class */ |
746 | inetdev->prefix = prefix ? atoi(prefix) : | |
747 | config_ip_prefix(&inetdev->addr); | |
748 | ||
b3df193c | 749 | /* if no broadcast address, let compute one from the |
0093bb8c DL |
750 | * prefix and address |
751 | */ | |
752 | if (!bcast) { | |
1b7d4743 DL |
753 | inetdev->bcast.s_addr = inetdev->addr.s_addr; |
754 | inetdev->bcast.s_addr |= | |
755 | htonl(INADDR_BROADCAST >> inetdev->prefix); | |
0093bb8c | 756 | } |
c2cc9f0a | 757 | |
8538f388 | 758 | lxc_list_add_tail(&netdev->ipv4, list); |
c2cc9f0a | 759 | |
956edc54 | 760 | free(addr); |
c2cc9f0a | 761 | return 0; |
762 | } | |
763 | ||
12a50cc6 | 764 | static int config_network_ipv4_gateway(const char *key, const char *value, |
f8fee0e2 MK |
765 | struct lxc_conf *lxc_conf) |
766 | { | |
767 | struct lxc_netdev *netdev; | |
768 | struct in_addr *gw; | |
769 | ||
770 | netdev = network_netdev(key, value, &lxc_conf->network); | |
771 | if (!netdev) | |
772 | return -1; | |
773 | ||
774 | gw = malloc(sizeof(*gw)); | |
775 | if (!gw) { | |
776 | SYSERROR("failed to allocate ipv4 gateway address"); | |
777 | return -1; | |
778 | } | |
779 | ||
780 | if (!value) { | |
781 | ERROR("no ipv4 gateway address specified"); | |
53719062 | 782 | free(gw); |
f8fee0e2 MK |
783 | return -1; |
784 | } | |
785 | ||
19a26f82 | 786 | if (!strcmp(value, "auto")) { |
c4e9c69f | 787 | free(gw); |
19a26f82 MK |
788 | netdev->ipv4_gateway = NULL; |
789 | netdev->ipv4_gateway_auto = true; | |
790 | } else { | |
791 | if (!inet_pton(AF_INET, value, gw)) { | |
792 | SYSERROR("invalid ipv4 gateway address: %s", value); | |
53719062 | 793 | free(gw); |
19a26f82 MK |
794 | return -1; |
795 | } | |
796 | ||
797 | netdev->ipv4_gateway = gw; | |
798 | netdev->ipv4_gateway_auto = false; | |
f8fee0e2 MK |
799 | } |
800 | ||
f8fee0e2 MK |
801 | return 0; |
802 | } | |
803 | ||
12a50cc6 | 804 | static int config_network_ipv6(const char *key, const char *value, |
e892973e | 805 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 806 | { |
c2cc9f0a | 807 | struct lxc_netdev *netdev; |
808 | struct lxc_inet6dev *inet6dev; | |
809 | struct lxc_list *list; | |
12a50cc6 | 810 | char *slash,*valdup; |
c2cc9f0a | 811 | char *netmask; |
812 | ||
16950ecb | 813 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 814 | if (!netdev) |
c2cc9f0a | 815 | return -1; |
c2cc9f0a | 816 | |
817 | inet6dev = malloc(sizeof(*inet6dev)); | |
818 | if (!inet6dev) { | |
36eb9bde | 819 | SYSERROR("failed to allocate ipv6 address"); |
c2cc9f0a | 820 | return -1; |
821 | } | |
822 | memset(inet6dev, 0, sizeof(*inet6dev)); | |
823 | ||
824 | list = malloc(sizeof(*list)); | |
825 | if (!list) { | |
36eb9bde | 826 | SYSERROR("failed to allocate memory"); |
28027320 | 827 | free(inet6dev); |
c2cc9f0a | 828 | return -1; |
829 | } | |
830 | ||
831 | lxc_list_init(list); | |
832 | list->elem = inet6dev; | |
833 | ||
956edc54 SG |
834 | valdup = strdup(value); |
835 | if (!valdup) { | |
836 | ERROR("no address specified"); | |
28027320 SH |
837 | free(list); |
838 | free(inet6dev); | |
956edc54 SG |
839 | return -1; |
840 | } | |
841 | ||
a059591e | 842 | inet6dev->prefix = 64; |
12a50cc6 | 843 | slash = strstr(valdup, "/"); |
c2cc9f0a | 844 | if (slash) { |
845 | *slash = '\0'; | |
846 | netmask = slash + 1; | |
847 | inet6dev->prefix = atoi(netmask); | |
848 | } | |
849 | ||
5acccf95 SH |
850 | if (!inet_pton(AF_INET6, valdup, &inet6dev->addr)) { |
851 | SYSERROR("invalid ipv6 address: %s", valdup); | |
28027320 SH |
852 | free(list); |
853 | free(inet6dev); | |
956edc54 | 854 | free(valdup); |
c2cc9f0a | 855 | return -1; |
856 | } | |
857 | ||
8538f388 | 858 | lxc_list_add_tail(&netdev->ipv6, list); |
c2cc9f0a | 859 | |
956edc54 | 860 | free(valdup); |
c2cc9f0a | 861 | return 0; |
862 | } | |
863 | ||
12a50cc6 | 864 | static int config_network_ipv6_gateway(const char *key, const char *value, |
f8fee0e2 MK |
865 | struct lxc_conf *lxc_conf) |
866 | { | |
867 | struct lxc_netdev *netdev; | |
f8fee0e2 MK |
868 | |
869 | netdev = network_netdev(key, value, &lxc_conf->network); | |
870 | if (!netdev) | |
871 | return -1; | |
872 | ||
f8fee0e2 MK |
873 | if (!value) { |
874 | ERROR("no ipv6 gateway address specified"); | |
875 | return -1; | |
876 | } | |
877 | ||
19a26f82 MK |
878 | if (!strcmp(value, "auto")) { |
879 | netdev->ipv6_gateway = NULL; | |
880 | netdev->ipv6_gateway_auto = true; | |
881 | } else { | |
8fb86a37 SH |
882 | struct in6_addr *gw; |
883 | ||
bec695f3 DE |
884 | gw = malloc(sizeof(*gw)); |
885 | if (!gw) { | |
886 | SYSERROR("failed to allocate ipv6 gateway address"); | |
887 | return -1; | |
888 | } | |
889 | ||
19a26f82 MK |
890 | if (!inet_pton(AF_INET6, value, gw)) { |
891 | SYSERROR("invalid ipv6 gateway address: %s", value); | |
28027320 | 892 | free(gw); |
19a26f82 MK |
893 | return -1; |
894 | } | |
895 | ||
896 | netdev->ipv6_gateway = gw; | |
897 | netdev->ipv6_gateway_auto = false; | |
f8fee0e2 MK |
898 | } |
899 | ||
f8fee0e2 MK |
900 | return 0; |
901 | } | |
902 | ||
8fc8295a DE |
903 | static int config_network_script_up(const char *key, const char *value, |
904 | struct lxc_conf *lxc_conf) | |
e3b4c4c4 ST |
905 | { |
906 | struct lxc_netdev *netdev; | |
907 | ||
908 | netdev = network_netdev(key, value, &lxc_conf->network); | |
909 | if (!netdev) | |
8fc8295a | 910 | return -1; |
e3b4c4c4 | 911 | |
8fc8295a DE |
912 | return config_string_item(&netdev->upscript, value); |
913 | } | |
914 | ||
915 | static int config_network_script_down(const char *key, const char *value, | |
916 | struct lxc_conf *lxc_conf) | |
917 | { | |
918 | struct lxc_netdev *netdev; | |
919 | ||
920 | netdev = network_netdev(key, value, &lxc_conf->network); | |
921 | if (!netdev) | |
922 | return -1; | |
923 | ||
924 | return config_string_item(&netdev->downscript, value); | |
e3b4c4c4 ST |
925 | } |
926 | ||
26ddeedd SH |
927 | static int add_hook(struct lxc_conf *lxc_conf, int which, char *hook) |
928 | { | |
929 | struct lxc_list *hooklist; | |
930 | ||
931 | hooklist = malloc(sizeof(*hooklist)); | |
932 | if (!hooklist) { | |
933 | free(hook); | |
934 | return -1; | |
935 | } | |
936 | hooklist->elem = hook; | |
937 | lxc_list_add_tail(&lxc_conf->hooks[which], hooklist); | |
938 | return 0; | |
939 | } | |
940 | ||
12a50cc6 | 941 | static int config_seccomp(const char *key, const char *value, |
8f2c3a70 SH |
942 | struct lxc_conf *lxc_conf) |
943 | { | |
6d03d92a | 944 | return config_path_item(&lxc_conf->seccomp, value); |
8f2c3a70 SH |
945 | } |
946 | ||
12a50cc6 | 947 | static int config_hook(const char *key, const char *value, |
26ddeedd SH |
948 | struct lxc_conf *lxc_conf) |
949 | { | |
7d0eb87e SH |
950 | char *copy; |
951 | ||
952 | if (!value || strlen(value) == 0) | |
953 | return lxc_clear_hooks(lxc_conf, key); | |
954 | ||
955 | copy = strdup(value); | |
26ddeedd SH |
956 | if (!copy) { |
957 | SYSERROR("failed to dup string '%s'", value); | |
958 | return -1; | |
959 | } | |
960 | if (strcmp(key, "lxc.hook.pre-start") == 0) | |
961 | return add_hook(lxc_conf, LXCHOOK_PRESTART, copy); | |
5ea6163a SH |
962 | else if (strcmp(key, "lxc.hook.pre-mount") == 0) |
963 | return add_hook(lxc_conf, LXCHOOK_PREMOUNT, copy); | |
f7bee6c6 MW |
964 | else if (strcmp(key, "lxc.hook.autodev") == 0) |
965 | return add_hook(lxc_conf, LXCHOOK_AUTODEV, copy); | |
26ddeedd SH |
966 | else if (strcmp(key, "lxc.hook.mount") == 0) |
967 | return add_hook(lxc_conf, LXCHOOK_MOUNT, copy); | |
968 | else if (strcmp(key, "lxc.hook.start") == 0) | |
969 | return add_hook(lxc_conf, LXCHOOK_START, copy); | |
970 | else if (strcmp(key, "lxc.hook.post-stop") == 0) | |
971 | return add_hook(lxc_conf, LXCHOOK_POSTSTOP, copy); | |
148e91f5 SH |
972 | else if (strcmp(key, "lxc.hook.clone") == 0) |
973 | return add_hook(lxc_conf, LXCHOOK_CLONE, copy); | |
26ddeedd SH |
974 | SYSERROR("Unknown key: %s", key); |
975 | free(copy); | |
976 | return -1; | |
977 | } | |
978 | ||
8f47bc3f | 979 | static int config_personality(const char *key, const char *value, |
cccc74b5 DL |
980 | struct lxc_conf *lxc_conf) |
981 | { | |
525f0002 | 982 | signed long personality = lxc_config_parse_arch(value); |
cccc74b5 | 983 | |
525f0002 CS |
984 | if (personality >= 0) |
985 | lxc_conf->personality = personality; | |
986 | else | |
987 | WARN("unsupported personality '%s'", value); | |
970ab589 DL |
988 | |
989 | return 0; | |
cccc74b5 DL |
990 | } |
991 | ||
12a50cc6 DE |
992 | static int config_pts(const char *key, const char *value, |
993 | struct lxc_conf *lxc_conf) | |
10db618d | 994 | { |
995 | int maxpts = atoi(value); | |
996 | ||
997 | lxc_conf->pts = maxpts; | |
998 | ||
999 | return 0; | |
1000 | } | |
1001 | ||
ee1e7aa0 SG |
1002 | static int config_start(const char *key, const char *value, |
1003 | struct lxc_conf *lxc_conf) | |
1004 | { | |
1005 | if(strcmp(key, "lxc.start.auto") == 0) { | |
1006 | lxc_conf->start_auto = atoi(value); | |
1007 | return 0; | |
1008 | } | |
1009 | else if (strcmp(key, "lxc.start.delay") == 0) { | |
1010 | lxc_conf->start_delay = atoi(value); | |
1011 | return 0; | |
1012 | } | |
1013 | else if (strcmp(key, "lxc.start.order") == 0) { | |
1014 | lxc_conf->start_order = atoi(value); | |
1015 | return 0; | |
1016 | } | |
1017 | SYSERROR("Unknown key: %s", key); | |
1018 | return -1; | |
1019 | } | |
1020 | ||
1021 | static int config_group(const char *key, const char *value, | |
1022 | struct lxc_conf *lxc_conf) | |
1023 | { | |
1024 | char *groups, *groupptr, *sptr, *token; | |
1025 | struct lxc_list *grouplist; | |
1026 | int ret = -1; | |
1027 | ||
1028 | if (!strlen(value)) | |
1029 | return lxc_clear_groups(lxc_conf); | |
1030 | ||
1031 | groups = strdup(value); | |
1032 | if (!groups) { | |
1033 | SYSERROR("failed to dup '%s'", value); | |
1034 | return -1; | |
1035 | } | |
1036 | ||
1037 | /* in case several groups are specified in a single line | |
1038 | * split these groups in a single element for the list */ | |
1039 | for (groupptr = groups;;groupptr = NULL) { | |
1040 | token = strtok_r(groupptr, " \t", &sptr); | |
1041 | if (!token) { | |
1042 | ret = 0; | |
1043 | break; | |
1044 | } | |
1045 | ||
1046 | grouplist = malloc(sizeof(*grouplist)); | |
1047 | if (!grouplist) { | |
1048 | SYSERROR("failed to allocate groups list"); | |
1049 | break; | |
1050 | } | |
1051 | ||
1052 | grouplist->elem = strdup(token); | |
1053 | if (!grouplist->elem) { | |
1054 | SYSERROR("failed to dup '%s'", token); | |
1055 | free(grouplist); | |
1056 | break; | |
1057 | } | |
1058 | ||
1059 | lxc_list_add_tail(&lxc_conf->groups, grouplist); | |
1060 | } | |
1061 | ||
1062 | free(groups); | |
1063 | ||
1064 | return ret; | |
1065 | } | |
1066 | ||
12a50cc6 DE |
1067 | static int config_tty(const char *key, const char *value, |
1068 | struct lxc_conf *lxc_conf) | |
b0a33c1e | 1069 | { |
1070 | int nbtty = atoi(value); | |
1071 | ||
1072 | lxc_conf->tty = nbtty; | |
1073 | ||
1074 | return 0; | |
1075 | } | |
1076 | ||
12a50cc6 | 1077 | static int config_ttydir(const char *key, const char *value, |
7c6ef2a2 SH |
1078 | struct lxc_conf *lxc_conf) |
1079 | { | |
6d03d92a | 1080 | return config_string_item_max(&lxc_conf->ttydir, value, NAME_MAX+1); |
7c6ef2a2 SH |
1081 | } |
1082 | ||
7e0e1d94 AV |
1083 | static int config_kmsg(const char *key, const char *value, |
1084 | struct lxc_conf *lxc_conf) | |
1085 | { | |
1086 | int v = atoi(value); | |
1087 | ||
1088 | lxc_conf->kmsg = v; | |
1089 | ||
1090 | return 0; | |
1091 | } | |
1092 | ||
fe4de9a6 DE |
1093 | static int config_lsm_aa_profile(const char *key, const char *value, |
1094 | struct lxc_conf *lxc_conf) | |
e075f5d9 | 1095 | { |
6d03d92a | 1096 | return config_string_item(&lxc_conf->lsm_aa_profile, value); |
fe4de9a6 DE |
1097 | } |
1098 | ||
1099 | static int config_lsm_se_context(const char *key, const char *value, | |
1100 | struct lxc_conf *lxc_conf) | |
1101 | { | |
6d03d92a | 1102 | return config_string_item(&lxc_conf->lsm_se_context, value); |
e075f5d9 | 1103 | } |
e075f5d9 | 1104 | |
4a85ce2a SH |
1105 | static int config_logfile(const char *key, const char *value, |
1106 | struct lxc_conf *lxc_conf) | |
1107 | { | |
6d03d92a DE |
1108 | int ret; |
1109 | ||
b40a606e SH |
1110 | // store these values in the lxc_conf, and then try to set for |
1111 | // actual current logging. | |
6d03d92a DE |
1112 | ret = config_path_item(&lxc_conf->logfile, value); |
1113 | if (ret == 0) | |
1114 | ret = lxc_log_set_file(lxc_conf->logfile); | |
1115 | return ret; | |
4a85ce2a SH |
1116 | } |
1117 | ||
1118 | static int config_loglevel(const char *key, const char *value, | |
1119 | struct lxc_conf *lxc_conf) | |
1120 | { | |
9ea87d5d SH |
1121 | int newlevel; |
1122 | ||
4a85ce2a SH |
1123 | if (!value || strlen(value) == 0) |
1124 | return 0; | |
1125 | ||
1126 | if (value[0] >= '0' && value[0] <= '9') | |
9ea87d5d | 1127 | newlevel = atoi(value); |
4a85ce2a | 1128 | else |
9ea87d5d | 1129 | newlevel = lxc_log_priority_to_int(value); |
b40a606e SH |
1130 | // store these values in the lxc_conf, and then try to set for |
1131 | // actual current logging. | |
1132 | lxc_conf->loglevel = newlevel; | |
9ea87d5d | 1133 | return lxc_log_set_level(newlevel); |
4a85ce2a SH |
1134 | } |
1135 | ||
12a50cc6 | 1136 | static int config_autodev(const char *key, const char *value, |
c6883f38 SH |
1137 | struct lxc_conf *lxc_conf) |
1138 | { | |
1139 | int v = atoi(value); | |
1140 | ||
1141 | lxc_conf->autodev = v; | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
a84b9932 AV |
1146 | static int sig_num(const char *sig) |
1147 | { | |
1148 | int n; | |
1149 | char *endp = NULL; | |
1150 | ||
1151 | errno = 0; | |
1152 | n = strtol(sig, &endp, 10); | |
1153 | if (sig == endp || n < 0 || errno != 0) | |
1154 | return -1; | |
1155 | return n; | |
1156 | } | |
1157 | ||
1158 | static int rt_sig_num(const char *signame) | |
1159 | { | |
1160 | int sig_n = 0; | |
1161 | int rtmax = 0; | |
1162 | ||
1163 | if (strncasecmp(signame, "max-", 4) == 0) { | |
1164 | rtmax = 1; | |
1165 | } | |
1166 | signame += 4; | |
1167 | if (!isdigit(*signame)) | |
1168 | return -1; | |
1169 | sig_n = sig_num(signame); | |
1170 | sig_n = rtmax ? SIGRTMAX - sig_n : SIGRTMIN + sig_n; | |
1171 | if (sig_n > SIGRTMAX || sig_n < SIGRTMIN) | |
1172 | return -1; | |
1173 | return sig_n; | |
1174 | } | |
1175 | ||
f0f1d8c0 DE |
1176 | static const char *sig_name(int signum) { |
1177 | int n; | |
1178 | ||
1179 | for (n = 0; n < sizeof(signames) / sizeof((signames)[0]); n++) { | |
c83462d5 | 1180 | if (signum == signames[n].num) |
f0f1d8c0 DE |
1181 | return signames[n].name; |
1182 | } | |
fd986e08 | 1183 | return NULL; |
f0f1d8c0 DE |
1184 | } |
1185 | ||
a84b9932 AV |
1186 | static int sig_parse(const char *signame) { |
1187 | int n; | |
1188 | ||
1189 | if (isdigit(*signame)) { | |
1190 | return sig_num(signame); | |
1191 | } else if (strncasecmp(signame, "sig", 3) == 0) { | |
1192 | signame += 3; | |
1193 | if (strncasecmp(signame, "rt", 2) == 0) | |
1194 | return rt_sig_num(signame + 2); | |
1195 | for (n = 0; n < sizeof(signames) / sizeof((signames)[0]); n++) { | |
1196 | if (strcasecmp (signames[n].name, signame) == 0) | |
1197 | return signames[n].num; | |
1198 | } | |
1199 | } | |
1200 | return -1; | |
1201 | } | |
1202 | ||
f0f1d8c0 DE |
1203 | static int config_haltsignal(const char *key, const char *value, |
1204 | struct lxc_conf *lxc_conf) | |
1205 | { | |
1206 | int sig_n = sig_parse(value); | |
1207 | ||
1208 | if (sig_n < 0) | |
1209 | return -1; | |
1210 | lxc_conf->haltsignal = sig_n; | |
1211 | ||
1212 | return 0; | |
1213 | } | |
1214 | ||
a84b9932 AV |
1215 | static int config_stopsignal(const char *key, const char *value, |
1216 | struct lxc_conf *lxc_conf) | |
1217 | { | |
1218 | int sig_n = sig_parse(value); | |
1219 | ||
1220 | if (sig_n < 0) | |
1221 | return -1; | |
1222 | lxc_conf->stopsignal = sig_n; | |
1223 | ||
1224 | return 0; | |
1225 | } | |
1226 | ||
12a50cc6 DE |
1227 | static int config_cgroup(const char *key, const char *value, |
1228 | struct lxc_conf *lxc_conf) | |
576f946d | 1229 | { |
1230 | char *token = "lxc.cgroup."; | |
1231 | char *subkey; | |
bf83c5b9 MS |
1232 | struct lxc_list *cglist = NULL; |
1233 | struct lxc_cgroup *cgelem = NULL; | |
576f946d | 1234 | |
7d0eb87e SH |
1235 | if (!value || strlen(value) == 0) |
1236 | return lxc_clear_cgroups(lxc_conf, key); | |
1237 | ||
576f946d | 1238 | subkey = strstr(key, token); |
1239 | ||
1240 | if (!subkey) | |
1241 | return -1; | |
1242 | ||
1243 | if (!strlen(subkey)) | |
1244 | return -1; | |
1245 | ||
1246 | if (strlen(subkey) == strlen(token)) | |
1247 | return -1; | |
a871ff6b | 1248 | |
576f946d | 1249 | subkey += strlen(token); |
1250 | ||
1251 | cglist = malloc(sizeof(*cglist)); | |
1252 | if (!cglist) | |
bf83c5b9 | 1253 | goto out; |
576f946d | 1254 | |
1255 | cgelem = malloc(sizeof(*cgelem)); | |
bf83c5b9 MS |
1256 | if (!cgelem) |
1257 | goto out; | |
1258 | memset(cgelem, 0, sizeof(*cgelem)); | |
576f946d | 1259 | |
1260 | cgelem->subsystem = strdup(subkey); | |
1261 | cgelem->value = strdup(value); | |
bf83c5b9 MS |
1262 | |
1263 | if (!cgelem->subsystem || !cgelem->value) | |
1264 | goto out; | |
1265 | ||
576f946d | 1266 | cglist->elem = cgelem; |
1267 | ||
94d12f0a | 1268 | lxc_list_add_tail(&lxc_conf->cgroup, cglist); |
576f946d | 1269 | |
1270 | return 0; | |
bf83c5b9 MS |
1271 | |
1272 | out: | |
1273 | if (cglist) | |
1274 | free(cglist); | |
1275 | ||
1276 | if (cgelem) { | |
1277 | if (cgelem->subsystem) | |
1278 | free(cgelem->subsystem); | |
1279 | ||
1280 | if (cgelem->value) | |
1281 | free(cgelem->value); | |
1282 | ||
1283 | free(cgelem); | |
1284 | } | |
1285 | ||
1286 | return -1; | |
576f946d | 1287 | } |
1288 | ||
f6d3e3e4 SH |
1289 | static int config_idmap(const char *key, const char *value, struct lxc_conf *lxc_conf) |
1290 | { | |
1291 | char *token = "lxc.id_map"; | |
1292 | char *subkey; | |
1293 | struct lxc_list *idmaplist = NULL; | |
1294 | struct id_map *idmap = NULL; | |
251d0d2a | 1295 | unsigned long hostid, nsid, range; |
f6d3e3e4 SH |
1296 | char type; |
1297 | int ret; | |
1298 | ||
7d0eb87e SH |
1299 | if (!value || strlen(value) == 0) |
1300 | return lxc_clear_idmaps(lxc_conf); | |
1301 | ||
f6d3e3e4 SH |
1302 | subkey = strstr(key, token); |
1303 | ||
1304 | if (!subkey) | |
1305 | return -1; | |
1306 | ||
1307 | if (!strlen(subkey)) | |
1308 | return -1; | |
1309 | ||
1310 | idmaplist = malloc(sizeof(*idmaplist)); | |
1311 | if (!idmaplist) | |
1312 | goto out; | |
1313 | ||
1314 | idmap = malloc(sizeof(*idmap)); | |
1315 | if (!idmap) | |
1316 | goto out; | |
1317 | memset(idmap, 0, sizeof(*idmap)); | |
1318 | ||
251d0d2a | 1319 | ret = sscanf(value, "%c %lu %lu %lu", &type, &nsid, &hostid, &range); |
f6d3e3e4 SH |
1320 | if (ret != 4) |
1321 | goto out; | |
7e60c3f0 | 1322 | |
251d0d2a | 1323 | INFO("read uid map: type %c nsid %lu hostid %lu range %lu", type, nsid, hostid, range); |
ac7725e7 | 1324 | if (type == 'u') |
f6d3e3e4 | 1325 | idmap->idtype = ID_TYPE_UID; |
ac7725e7 | 1326 | else if (type == 'g') |
f6d3e3e4 SH |
1327 | idmap->idtype = ID_TYPE_GID; |
1328 | else | |
1329 | goto out; | |
7e60c3f0 | 1330 | |
f6d3e3e4 SH |
1331 | idmap->hostid = hostid; |
1332 | idmap->nsid = nsid; | |
1333 | idmap->range = range; | |
1334 | ||
7e60c3f0 SG |
1335 | idmaplist->elem = idmap; |
1336 | lxc_list_add_tail(&lxc_conf->id_map, idmaplist); | |
1337 | ||
f6d3e3e4 SH |
1338 | return 0; |
1339 | ||
1340 | out: | |
1341 | if (idmaplist) | |
1342 | free(idmaplist); | |
1343 | ||
1344 | if (idmap) { | |
1345 | free(idmap); | |
1346 | } | |
1347 | ||
1348 | return -1; | |
1349 | } | |
1350 | ||
d95db067 DE |
1351 | static int config_fstab(const char *key, const char *value, |
1352 | struct lxc_conf *lxc_conf) | |
1353 | { | |
6d03d92a | 1354 | return config_path_item(&lxc_conf->fstab, value); |
d95db067 DE |
1355 | } |
1356 | ||
368bbc02 CS |
1357 | static int config_mount_auto(const char *key, const char *value, |
1358 | struct lxc_conf *lxc_conf) | |
1359 | { | |
1360 | char *autos, *autoptr, *sptr, *token; | |
b06b8511 | 1361 | static struct { const char *token; int mask; int flag; } allowed_auto_mounts[] = { |
0769b82a CS |
1362 | { "proc", LXC_AUTO_PROC_MASK, LXC_AUTO_PROC_MIXED }, |
1363 | { "proc:mixed", LXC_AUTO_PROC_MASK, LXC_AUTO_PROC_MIXED }, | |
1364 | { "proc:rw", LXC_AUTO_PROC_MASK, LXC_AUTO_PROC_RW }, | |
1365 | { "sys", LXC_AUTO_SYS_MASK, LXC_AUTO_SYS_RO }, | |
1366 | { "sys:ro", LXC_AUTO_SYS_MASK, LXC_AUTO_SYS_RO }, | |
1367 | { "sys:rw", LXC_AUTO_SYS_MASK, LXC_AUTO_SYS_RW }, | |
1368 | { "cgroup", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_NOSPEC }, | |
1369 | { "cgroup:mixed", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_MIXED }, | |
1370 | { "cgroup:ro", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_RO }, | |
1371 | { "cgroup:rw", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_RW }, | |
1372 | { "cgroup-full", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_FULL_NOSPEC }, | |
1373 | { "cgroup-full:mixed", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_FULL_MIXED }, | |
1374 | { "cgroup-full:ro", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_FULL_RO }, | |
1375 | { "cgroup-full:rw", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_FULL_RW }, | |
b06b8511 CS |
1376 | /* NB: For adding anything that ist just a single on/off, but has |
1377 | * no options: keep mask and flag identical and just define the | |
1378 | * enum value as an unused bit so far | |
1379 | */ | |
368bbc02 CS |
1380 | { NULL, 0 } |
1381 | }; | |
1382 | int i; | |
1383 | int ret = -1; | |
1384 | ||
1385 | if (!strlen(value)) | |
1386 | return -1; | |
1387 | ||
1388 | autos = strdup(value); | |
1389 | if (!autos) { | |
1390 | SYSERROR("failed to dup '%s'", value); | |
1391 | return -1; | |
1392 | } | |
1393 | ||
1394 | for (autoptr = autos; ; autoptr = NULL) { | |
1395 | token = strtok_r(autoptr, " \t", &sptr); | |
1396 | if (!token) { | |
1397 | ret = 0; | |
1398 | break; | |
1399 | } | |
1400 | ||
1401 | for (i = 0; allowed_auto_mounts[i].token; i++) { | |
1402 | if (!strcmp(allowed_auto_mounts[i].token, token)) | |
1403 | break; | |
1404 | } | |
1405 | ||
1406 | if (!allowed_auto_mounts[i].token) { | |
1407 | ERROR("Invalid filesystem to automount: %s", token); | |
1408 | break; | |
1409 | } | |
1410 | ||
b06b8511 | 1411 | lxc_conf->auto_mounts &= ~allowed_auto_mounts[i].mask; |
368bbc02 CS |
1412 | lxc_conf->auto_mounts |= allowed_auto_mounts[i].flag; |
1413 | } | |
1414 | ||
1415 | free(autos); | |
1416 | ||
1417 | return ret; | |
1418 | } | |
1419 | ||
12a50cc6 DE |
1420 | static int config_mount(const char *key, const char *value, |
1421 | struct lxc_conf *lxc_conf) | |
e7938e9e MN |
1422 | { |
1423 | char *fstab_token = "lxc.mount"; | |
1424 | char *token = "lxc.mount.entry"; | |
368bbc02 | 1425 | char *auto_token = "lxc.mount.auto"; |
e7938e9e MN |
1426 | char *subkey; |
1427 | char *mntelem; | |
1428 | struct lxc_list *mntlist; | |
1429 | ||
7d0eb87e SH |
1430 | if (!value || strlen(value) == 0) |
1431 | return lxc_clear_mount_entries(lxc_conf); | |
1432 | ||
e7938e9e MN |
1433 | subkey = strstr(key, token); |
1434 | ||
1435 | if (!subkey) { | |
368bbc02 | 1436 | subkey = strstr(key, auto_token); |
e7938e9e | 1437 | |
368bbc02 CS |
1438 | if (!subkey) { |
1439 | subkey = strstr(key, fstab_token); | |
1440 | ||
1441 | if (!subkey) | |
1442 | return -1; | |
1443 | ||
1444 | return config_fstab(key, value, lxc_conf); | |
1445 | } | |
e7938e9e | 1446 | |
368bbc02 | 1447 | return config_mount_auto(key, value, lxc_conf); |
e7938e9e MN |
1448 | } |
1449 | ||
1450 | if (!strlen(subkey)) | |
1451 | return -1; | |
1452 | ||
1453 | mntlist = malloc(sizeof(*mntlist)); | |
1454 | if (!mntlist) | |
1455 | return -1; | |
1456 | ||
1457 | mntelem = strdup(value); | |
00b6be44 SH |
1458 | if (!mntelem) { |
1459 | free(mntlist); | |
bf83c5b9 | 1460 | return -1; |
00b6be44 | 1461 | } |
e7938e9e MN |
1462 | mntlist->elem = mntelem; |
1463 | ||
1464 | lxc_list_add_tail(&lxc_conf->mount_list, mntlist); | |
1465 | ||
1466 | return 0; | |
1467 | } | |
1468 | ||
1fb86a7c SH |
1469 | static int config_cap_keep(const char *key, const char *value, |
1470 | struct lxc_conf *lxc_conf) | |
1471 | { | |
1472 | char *keepcaps, *keepptr, *sptr, *token; | |
1473 | struct lxc_list *keeplist; | |
1474 | int ret = -1; | |
1475 | ||
1476 | if (!strlen(value)) | |
7d0eb87e | 1477 | return lxc_clear_config_keepcaps(lxc_conf); |
1fb86a7c SH |
1478 | |
1479 | keepcaps = strdup(value); | |
1480 | if (!keepcaps) { | |
1481 | SYSERROR("failed to dup '%s'", value); | |
1482 | return -1; | |
1483 | } | |
1484 | ||
1485 | /* in case several capability keep is specified in a single line | |
1486 | * split these caps in a single element for the list */ | |
1487 | for (keepptr = keepcaps;;keepptr = NULL) { | |
1488 | token = strtok_r(keepptr, " \t", &sptr); | |
1489 | if (!token) { | |
1490 | ret = 0; | |
1491 | break; | |
1492 | } | |
1493 | ||
7035407c DE |
1494 | if (!strcmp(token, "none")) |
1495 | lxc_clear_config_keepcaps(lxc_conf); | |
1496 | ||
1fb86a7c SH |
1497 | keeplist = malloc(sizeof(*keeplist)); |
1498 | if (!keeplist) { | |
1499 | SYSERROR("failed to allocate keepcap list"); | |
1500 | break; | |
1501 | } | |
1502 | ||
1503 | keeplist->elem = strdup(token); | |
1504 | if (!keeplist->elem) { | |
1505 | SYSERROR("failed to dup '%s'", token); | |
1506 | free(keeplist); | |
1507 | break; | |
1508 | } | |
1509 | ||
1510 | lxc_list_add_tail(&lxc_conf->keepcaps, keeplist); | |
1511 | } | |
1512 | ||
1513 | free(keepcaps); | |
1514 | ||
1515 | return ret; | |
1516 | } | |
1517 | ||
12a50cc6 | 1518 | static int config_cap_drop(const char *key, const char *value, |
81810dd1 DL |
1519 | struct lxc_conf *lxc_conf) |
1520 | { | |
d95db067 | 1521 | char *dropcaps, *dropptr, *sptr, *token; |
81810dd1 DL |
1522 | struct lxc_list *droplist; |
1523 | int ret = -1; | |
1524 | ||
1525 | if (!strlen(value)) | |
7d0eb87e | 1526 | return lxc_clear_config_caps(lxc_conf); |
81810dd1 DL |
1527 | |
1528 | dropcaps = strdup(value); | |
1529 | if (!dropcaps) { | |
1530 | SYSERROR("failed to dup '%s'", value); | |
1531 | return -1; | |
1532 | } | |
1533 | ||
1534 | /* in case several capability drop is specified in a single line | |
1535 | * split these caps in a single element for the list */ | |
d95db067 DE |
1536 | for (dropptr = dropcaps;;dropptr = NULL) { |
1537 | token = strtok_r(dropptr, " \t", &sptr); | |
81810dd1 DL |
1538 | if (!token) { |
1539 | ret = 0; | |
1540 | break; | |
1541 | } | |
81810dd1 DL |
1542 | |
1543 | droplist = malloc(sizeof(*droplist)); | |
1544 | if (!droplist) { | |
1545 | SYSERROR("failed to allocate drop list"); | |
1546 | break; | |
1547 | } | |
1548 | ||
1549 | droplist->elem = strdup(token); | |
1550 | if (!droplist->elem) { | |
1551 | SYSERROR("failed to dup '%s'", token); | |
1552 | free(droplist); | |
1553 | break; | |
1554 | } | |
1555 | ||
1556 | lxc_list_add_tail(&lxc_conf->caps, droplist); | |
1557 | } | |
1558 | ||
1559 | free(dropcaps); | |
1560 | ||
1561 | return ret; | |
1562 | } | |
1563 | ||
12a50cc6 | 1564 | static int config_console(const char *key, const char *value, |
28a4b0e5 DL |
1565 | struct lxc_conf *lxc_conf) |
1566 | { | |
6d03d92a | 1567 | return config_path_item(&lxc_conf->console.path, value); |
28a4b0e5 DL |
1568 | } |
1569 | ||
f979ac15 SH |
1570 | static int add_include_file(const char *fname, struct lxc_conf *lxc_conf) |
1571 | { | |
1572 | struct lxc_list *list; | |
1573 | char *v; | |
1574 | int len = strlen(fname); | |
1575 | ||
1576 | list = malloc(sizeof(*list)); | |
1577 | if (!list) | |
1578 | return -1; | |
1579 | lxc_list_init(list); | |
1580 | v = malloc(len+1); | |
1581 | if (!v) { | |
1582 | free(list); | |
1583 | return -1; | |
1584 | } | |
1585 | strncpy(v, fname, len); | |
1586 | v[len] = '\0'; | |
1587 | list->elem = v; | |
1588 | lxc_list_add_tail(&lxc_conf->includes, list); | |
1589 | return 0; | |
1590 | } | |
1591 | ||
12a50cc6 | 1592 | static int config_includefile(const char *key, const char *value, |
09ad6246 SH |
1593 | struct lxc_conf *lxc_conf) |
1594 | { | |
f979ac15 SH |
1595 | if (lxc_conf->unexpanded) |
1596 | return add_include_file(value, lxc_conf); | |
1597 | return lxc_config_read(value, lxc_conf, NULL); | |
09ad6246 SH |
1598 | } |
1599 | ||
12a50cc6 DE |
1600 | static int config_rootfs(const char *key, const char *value, |
1601 | struct lxc_conf *lxc_conf) | |
c2cc9f0a | 1602 | { |
6d03d92a | 1603 | return config_path_item(&lxc_conf->rootfs.path, value); |
c2cc9f0a | 1604 | } |
1605 | ||
12a50cc6 DE |
1606 | static int config_rootfs_mount(const char *key, const char *value, |
1607 | struct lxc_conf *lxc_conf) | |
23b7ea69 | 1608 | { |
6d03d92a | 1609 | return config_path_item(&lxc_conf->rootfs.mount, value); |
23b7ea69 DL |
1610 | } |
1611 | ||
a17b1e65 SG |
1612 | static int config_rootfs_options(const char *key, const char *value, |
1613 | struct lxc_conf *lxc_conf) | |
1614 | { | |
1615 | return config_string_item(&lxc_conf->rootfs.options, value); | |
1616 | } | |
1617 | ||
12a50cc6 DE |
1618 | static int config_pivotdir(const char *key, const char *value, |
1619 | struct lxc_conf *lxc_conf) | |
bf601689 | 1620 | { |
6d03d92a | 1621 | return config_path_item(&lxc_conf->rootfs.pivot, value); |
bf601689 MH |
1622 | } |
1623 | ||
12a50cc6 DE |
1624 | static int config_utsname(const char *key, const char *value, |
1625 | struct lxc_conf *lxc_conf) | |
c2cc9f0a | 1626 | { |
1627 | struct utsname *utsname; | |
1628 | ||
1629 | utsname = malloc(sizeof(*utsname)); | |
1630 | if (!utsname) { | |
36eb9bde | 1631 | SYSERROR("failed to allocate memory"); |
c2cc9f0a | 1632 | return -1; |
1633 | } | |
1634 | ||
1635 | if (strlen(value) >= sizeof(utsname->nodename)) { | |
36eb9bde | 1636 | ERROR("node name '%s' is too long", |
16e29c91 | 1637 | value); |
b6f24d54 | 1638 | free(utsname); |
c2cc9f0a | 1639 | return -1; |
1640 | } | |
1641 | ||
1642 | strcpy(utsname->nodename, value); | |
d95db067 DE |
1643 | if (lxc_conf->utsname) |
1644 | free(lxc_conf->utsname); | |
c2cc9f0a | 1645 | lxc_conf->utsname = utsname; |
1646 | ||
1647 | return 0; | |
1648 | } | |
1649 | ||
4184c3e1 SH |
1650 | static int store_martian_option(char *line, void *data) |
1651 | { | |
1652 | struct lxc_conf *conf = data; | |
1653 | char *str; | |
1654 | struct lxc_list *list; | |
1655 | size_t len = strlen(line); | |
1656 | ||
1657 | if (!conf->unexpanded) | |
1658 | return 0; | |
1659 | list = malloc(sizeof(*list)); | |
1660 | if (!list) | |
1661 | return -1; | |
1662 | lxc_list_init(list); | |
1663 | str = malloc(len+1); | |
1664 | if (!str) { | |
1665 | free(list); | |
1666 | return -1; | |
1667 | } | |
1668 | strncpy(str, line, len); | |
3dbcf8b2 | 1669 | str[len] = '\0'; |
4184c3e1 SH |
1670 | list->elem = str; |
1671 | lxc_list_add_tail(&conf->aliens, list); | |
1672 | return 0; | |
1673 | } | |
1674 | ||
7a7ff0c6 | 1675 | static int parse_line(char *buffer, void *data) |
c2cc9f0a | 1676 | { |
72d0e1cb | 1677 | struct lxc_config_t *config; |
81192358 | 1678 | char *line, *linep; |
c2cc9f0a | 1679 | char *dot; |
1680 | char *key; | |
1681 | char *value; | |
476d4cf1 | 1682 | int ret = 0; |
c2cc9f0a | 1683 | |
91480a0f | 1684 | if (lxc_is_line_empty(buffer)) |
c2cc9f0a | 1685 | return 0; |
1686 | ||
81192358 DL |
1687 | /* we have to dup the buffer otherwise, at the re-exec for |
1688 | * reboot we modified the original string on the stack by | |
1689 | * replacing '=' by '\0' below | |
91480a0f | 1690 | */ |
81192358 | 1691 | linep = line = strdup(buffer); |
91480a0f DL |
1692 | if (!line) { |
1693 | SYSERROR("failed to allocate memory for '%s'", buffer); | |
81192358 | 1694 | return -1; |
91480a0f DL |
1695 | } |
1696 | ||
b2718c72 | 1697 | line += lxc_char_left_gc(line, strlen(line)); |
476d4cf1 | 1698 | |
4184c3e1 SH |
1699 | /* ignore comments */ |
1700 | if (line[0] == '#') | |
91480a0f | 1701 | goto out; |
476d4cf1 | 1702 | |
4184c3e1 SH |
1703 | /* martian option - save it in the unexpanded config only */ |
1704 | if (strncmp(line, "lxc.", 4)) { | |
1705 | ret = store_martian_option(line, data); | |
1706 | goto out; | |
1707 | } | |
1708 | ||
476d4cf1 | 1709 | ret = -1; |
c2cc9f0a | 1710 | |
b2718c72 | 1711 | dot = strstr(line, "="); |
c2cc9f0a | 1712 | if (!dot) { |
36eb9bde | 1713 | ERROR("invalid configuration line: %s", line); |
91480a0f | 1714 | goto out; |
c2cc9f0a | 1715 | } |
a871ff6b | 1716 | |
c2cc9f0a | 1717 | *dot = '\0'; |
1718 | value = dot + 1; | |
1719 | ||
b2718c72 | 1720 | key = line; |
1721 | key[lxc_char_right_gc(key, strlen(key))] = '\0'; | |
c2cc9f0a | 1722 | |
b2718c72 | 1723 | value += lxc_char_left_gc(value, strlen(value)); |
1724 | value[lxc_char_right_gc(value, strlen(value))] = '\0'; | |
c2cc9f0a | 1725 | |
72d0e1cb | 1726 | config = lxc_getconfig(key); |
c2cc9f0a | 1727 | if (!config) { |
6e1d9b94 | 1728 | ERROR("unknown key %s", key); |
91480a0f | 1729 | goto out; |
c2cc9f0a | 1730 | } |
1731 | ||
91480a0f DL |
1732 | ret = config->cb(key, value, data); |
1733 | ||
1734 | out: | |
81192358 | 1735 | free(linep); |
91480a0f | 1736 | return ret; |
c2cc9f0a | 1737 | } |
1738 | ||
74a3920a | 1739 | static int lxc_config_readline(char *buffer, struct lxc_conf *conf) |
af5b0155 CLG |
1740 | { |
1741 | return parse_line(buffer, conf); | |
1742 | } | |
1743 | ||
f979ac15 | 1744 | int lxc_config_read(const char *file, struct lxc_conf *conf, struct lxc_conf *unexp_conf) |
c2cc9f0a | 1745 | { |
f979ac15 SH |
1746 | int ret; |
1747 | ||
f3ca99fd SH |
1748 | if( access(file, R_OK) == -1 ) { |
1749 | return -1; | |
1750 | } | |
f7bee6c6 MW |
1751 | /* Catch only the top level config file name in the structure */ |
1752 | if( ! conf->rcfile ) { | |
1753 | conf->rcfile = strdup( file ); | |
1754 | } | |
f979ac15 SH |
1755 | ret = lxc_file_for_each_line(file, parse_line, conf); |
1756 | if (ret) | |
1757 | return ret; | |
1758 | if (!unexp_conf) | |
1759 | return 0; | |
1760 | if (!unexp_conf->rcfile) { | |
1761 | unexp_conf->rcfile = strdup( file ); | |
1762 | } | |
1763 | ||
1764 | return lxc_file_for_each_line(file, parse_line, unexp_conf); | |
c2cc9f0a | 1765 | } |
62e46035 CLG |
1766 | |
1767 | int lxc_config_define_add(struct lxc_list *defines, char* arg) | |
1768 | { | |
1769 | struct lxc_list *dent; | |
1770 | ||
1771 | dent = malloc(sizeof(struct lxc_list)); | |
1772 | if (!dent) | |
1773 | return -1; | |
1774 | ||
1775 | dent->elem = arg; | |
1776 | lxc_list_add_tail(defines, dent); | |
1777 | return 0; | |
1778 | } | |
1779 | ||
226a18d6 | 1780 | int lxc_config_define_load(struct lxc_list *defines, struct lxc_conf *conf) |
62e46035 | 1781 | { |
9ebb03ad | 1782 | struct lxc_list *it,*next; |
62e46035 CLG |
1783 | int ret = 0; |
1784 | ||
1785 | lxc_list_for_each(it, defines) { | |
1786 | ret = lxc_config_readline(it->elem, conf); | |
1787 | if (ret) | |
1788 | break; | |
1789 | } | |
1790 | ||
9ebb03ad | 1791 | lxc_list_for_each_safe(it, defines, next) { |
62e46035 CLG |
1792 | lxc_list_del(it); |
1793 | free(it); | |
1794 | } | |
1795 | ||
1796 | return ret; | |
1797 | } | |
525f0002 CS |
1798 | |
1799 | signed long lxc_config_parse_arch(const char *arch) | |
1800 | { | |
6ff05e18 | 1801 | #if HAVE_SYS_PERSONALITY_H |
525f0002 CS |
1802 | struct per_name { |
1803 | char *name; | |
1804 | unsigned long per; | |
bb8d8207 | 1805 | } pername[] = { |
525f0002 | 1806 | { "x86", PER_LINUX32 }, |
bb8d8207 DE |
1807 | { "linux32", PER_LINUX32 }, |
1808 | { "i386", PER_LINUX32 }, | |
1809 | { "i486", PER_LINUX32 }, | |
1810 | { "i586", PER_LINUX32 }, | |
525f0002 | 1811 | { "i686", PER_LINUX32 }, |
bb8d8207 DE |
1812 | { "athlon", PER_LINUX32 }, |
1813 | { "linux64", PER_LINUX }, | |
525f0002 CS |
1814 | { "x86_64", PER_LINUX }, |
1815 | { "amd64", PER_LINUX }, | |
1816 | }; | |
1817 | size_t len = sizeof(pername) / sizeof(pername[0]); | |
1818 | ||
1819 | int i; | |
1820 | ||
1821 | for (i = 0; i < len; i++) { | |
1822 | if (!strcmp(pername[i].name, arch)) | |
1823 | return pername[i].per; | |
1824 | } | |
6ff05e18 | 1825 | #endif |
525f0002 CS |
1826 | |
1827 | return -1; | |
1828 | } | |
72d0e1cb | 1829 | |
4d69b293 NK |
1830 | int lxc_fill_elevated_privileges(char *flaglist, int *flags) |
1831 | { | |
1832 | char *token, *saveptr = NULL; | |
1833 | int i, aflag; | |
1834 | struct { const char *token; int flag; } all_privs[] = { | |
1835 | { "CGROUP", LXC_ATTACH_MOVE_TO_CGROUP }, | |
1836 | { "CAP", LXC_ATTACH_DROP_CAPABILITIES }, | |
1837 | { "LSM", LXC_ATTACH_LSM_EXEC }, | |
1838 | { NULL, 0 } | |
1839 | }; | |
1840 | ||
1841 | if (!flaglist) { | |
1842 | /* for the sake of backward compatibility, drop all privileges | |
1843 | if none is specified */ | |
1844 | for (i = 0; all_privs[i].token; i++) { | |
1845 | *flags |= all_privs[i].flag; | |
1846 | } | |
1847 | return 0; | |
1848 | } | |
1849 | ||
1850 | token = strtok_r(flaglist, "|", &saveptr); | |
1851 | while (token) { | |
1852 | aflag = -1; | |
1853 | for (i = 0; all_privs[i].token; i++) { | |
1854 | if (!strcmp(all_privs[i].token, token)) | |
1855 | aflag = all_privs[i].flag; | |
1856 | } | |
1857 | if (aflag < 0) | |
1858 | return -1; | |
1859 | ||
1860 | *flags |= aflag; | |
1861 | ||
1862 | token = strtok_r(NULL, "|", &saveptr); | |
1863 | } | |
1864 | return 0; | |
1865 | } | |
1866 | ||
72d0e1cb SG |
1867 | static int lxc_get_conf_int(struct lxc_conf *c, char *retv, int inlen, int v) |
1868 | { | |
1869 | if (!retv) | |
1870 | inlen = 0; | |
1871 | else | |
1872 | memset(retv, 0, inlen); | |
1873 | return snprintf(retv, inlen, "%d", v); | |
1874 | } | |
1875 | ||
1876 | static int lxc_get_arch_entry(struct lxc_conf *c, char *retv, int inlen) | |
1877 | { | |
6ff05e18 | 1878 | int fulllen = 0; |
72d0e1cb SG |
1879 | |
1880 | if (!retv) | |
1881 | inlen = 0; | |
1882 | else | |
1883 | memset(retv, 0, inlen); | |
1884 | ||
6ff05e18 SG |
1885 | #if HAVE_SYS_PERSONALITY_H |
1886 | int len = 0; | |
1887 | ||
72d0e1cb | 1888 | switch(c->personality) { |
14622799 | 1889 | case PER_LINUX32: strprint(retv, inlen, "i686"); break; |
72d0e1cb SG |
1890 | case PER_LINUX: strprint(retv, inlen, "x86_64"); break; |
1891 | default: break; | |
1892 | } | |
6ff05e18 | 1893 | #endif |
72d0e1cb SG |
1894 | |
1895 | return fulllen; | |
1896 | } | |
1897 | ||
1898 | /* | |
1899 | * If you ask for a specific cgroup value, i.e. lxc.cgroup.devices.list, | |
1900 | * then just the value(s) will be printed. Since there still could be | |
1901 | * more than one, it is newline-separated. | |
1902 | * (Maybe that's ambigous, since some values, i.e. devices.list, will | |
1903 | * already have newlines?) | |
1904 | * If you ask for 'lxc.cgroup", then all cgroup entries will be printed, | |
1905 | * in 'lxc.cgroup.subsystem.key = value' format. | |
1906 | */ | |
12a50cc6 DE |
1907 | static int lxc_get_cgroup_entry(struct lxc_conf *c, char *retv, int inlen, |
1908 | const char *key) | |
72d0e1cb SG |
1909 | { |
1910 | int fulllen = 0, len; | |
1911 | int all = 0; | |
1912 | struct lxc_list *it; | |
1913 | ||
1914 | if (!retv) | |
1915 | inlen = 0; | |
1916 | else | |
1917 | memset(retv, 0, inlen); | |
1918 | ||
1919 | if (strcmp(key, "all") == 0) | |
1920 | all = 1; | |
1921 | ||
1922 | lxc_list_for_each(it, &c->cgroup) { | |
1923 | struct lxc_cgroup *cg = it->elem; | |
1924 | if (all) { | |
1925 | strprint(retv, inlen, "lxc.cgroup.%s = %s\n", cg->subsystem, cg->value); | |
1926 | } else if (strcmp(cg->subsystem, key) == 0) { | |
1927 | strprint(retv, inlen, "%s\n", cg->value); | |
1928 | } | |
1929 | } | |
1930 | return fulllen; | |
1931 | } | |
1932 | ||
12a50cc6 DE |
1933 | static int lxc_get_item_hooks(struct lxc_conf *c, char *retv, int inlen, |
1934 | const char *key) | |
72d0e1cb SG |
1935 | { |
1936 | char *subkey; | |
1937 | int len, fulllen = 0, found = -1; | |
1938 | struct lxc_list *it; | |
1939 | int i; | |
1940 | ||
1941 | /* "lxc.hook.mount" */ | |
1942 | subkey = index(key, '.'); | |
1943 | if (subkey) subkey = index(subkey+1, '.'); | |
1944 | if (!subkey) | |
1945 | return -1; | |
1946 | subkey++; | |
1947 | if (!*subkey) | |
1948 | return -1; | |
1949 | for (i=0; i<NUM_LXC_HOOKS; i++) { | |
1950 | if (strcmp(lxchook_names[i], subkey) == 0) { | |
1951 | found=i; | |
1952 | break; | |
1953 | } | |
1954 | } | |
1955 | if (found == -1) | |
1956 | return -1; | |
1957 | ||
1958 | if (!retv) | |
1959 | inlen = 0; | |
1960 | else | |
1961 | memset(retv, 0, inlen); | |
1962 | ||
1963 | lxc_list_for_each(it, &c->hooks[found]) { | |
1964 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
1965 | } | |
1966 | return fulllen; | |
1967 | } | |
1968 | ||
ee1e7aa0 SG |
1969 | static int lxc_get_item_groups(struct lxc_conf *c, char *retv, int inlen) |
1970 | { | |
1971 | int len, fulllen = 0; | |
1972 | struct lxc_list *it; | |
1973 | ||
1974 | if (!retv) | |
1975 | inlen = 0; | |
1976 | else | |
1977 | memset(retv, 0, inlen); | |
1978 | ||
1979 | lxc_list_for_each(it, &c->groups) { | |
1980 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
1981 | } | |
1982 | return fulllen; | |
1983 | } | |
1984 | ||
72d0e1cb SG |
1985 | static int lxc_get_item_cap_drop(struct lxc_conf *c, char *retv, int inlen) |
1986 | { | |
1987 | int len, fulllen = 0; | |
1988 | struct lxc_list *it; | |
1989 | ||
1990 | if (!retv) | |
1991 | inlen = 0; | |
1992 | else | |
1993 | memset(retv, 0, inlen); | |
1994 | ||
1995 | lxc_list_for_each(it, &c->caps) { | |
1996 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
1997 | } | |
1998 | return fulllen; | |
1999 | } | |
2000 | ||
1fb86a7c SH |
2001 | static int lxc_get_item_cap_keep(struct lxc_conf *c, char *retv, int inlen) |
2002 | { | |
2003 | int len, fulllen = 0; | |
2004 | struct lxc_list *it; | |
2005 | ||
2006 | if (!retv) | |
2007 | inlen = 0; | |
2008 | else | |
2009 | memset(retv, 0, inlen); | |
2010 | ||
2011 | lxc_list_for_each(it, &c->keepcaps) { | |
2012 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
2013 | } | |
2014 | return fulllen; | |
2015 | } | |
2016 | ||
72d0e1cb SG |
2017 | static int lxc_get_mount_entries(struct lxc_conf *c, char *retv, int inlen) |
2018 | { | |
2019 | int len, fulllen = 0; | |
2020 | struct lxc_list *it; | |
2021 | ||
2022 | if (!retv) | |
2023 | inlen = 0; | |
2024 | else | |
2025 | memset(retv, 0, inlen); | |
2026 | ||
2027 | lxc_list_for_each(it, &c->mount_list) { | |
2028 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
2029 | } | |
2030 | return fulllen; | |
2031 | } | |
2032 | ||
b099e9e9 SH |
2033 | static int lxc_get_auto_mounts(struct lxc_conf *c, char *retv, int inlen) |
2034 | { | |
2035 | int len, fulllen = 0; | |
0769b82a | 2036 | const char *sep = ""; |
b099e9e9 SH |
2037 | |
2038 | if (!retv) | |
2039 | inlen = 0; | |
2040 | else | |
2041 | memset(retv, 0, inlen); | |
2042 | ||
2043 | if (!(c->auto_mounts & LXC_AUTO_ALL_MASK)) | |
2044 | return 0; | |
2045 | ||
2046 | switch (c->auto_mounts & LXC_AUTO_PROC_MASK) { | |
0769b82a CS |
2047 | case LXC_AUTO_PROC_MIXED: strprint(retv, inlen, "%sproc:mixed", sep); sep = " "; break; |
2048 | case LXC_AUTO_PROC_RW: strprint(retv, inlen, "%sproc:rw", sep); sep = " "; break; | |
b099e9e9 SH |
2049 | default: break; |
2050 | } | |
2051 | switch (c->auto_mounts & LXC_AUTO_SYS_MASK) { | |
0769b82a CS |
2052 | case LXC_AUTO_SYS_RO: strprint(retv, inlen, "%ssys:ro", sep); sep = " "; break; |
2053 | case LXC_AUTO_SYS_RW: strprint(retv, inlen, "%ssys:rw", sep); sep = " "; break; | |
b099e9e9 SH |
2054 | default: break; |
2055 | } | |
2056 | switch (c->auto_mounts & LXC_AUTO_CGROUP_MASK) { | |
0769b82a CS |
2057 | case LXC_AUTO_CGROUP_NOSPEC: strprint(retv, inlen, "%scgroup", sep); sep = " "; break; |
2058 | case LXC_AUTO_CGROUP_MIXED: strprint(retv, inlen, "%scgroup:mixed", sep); sep = " "; break; | |
2059 | case LXC_AUTO_CGROUP_RO: strprint(retv, inlen, "%scgroup:ro", sep); sep = " "; break; | |
2060 | case LXC_AUTO_CGROUP_RW: strprint(retv, inlen, "%scgroup:rw", sep); sep = " "; break; | |
2061 | case LXC_AUTO_CGROUP_FULL_NOSPEC: strprint(retv, inlen, "%scgroup-full", sep); sep = " "; break; | |
2062 | case LXC_AUTO_CGROUP_FULL_MIXED: strprint(retv, inlen, "%scgroup-full:mixed", sep); sep = " "; break; | |
2063 | case LXC_AUTO_CGROUP_FULL_RO: strprint(retv, inlen, "%scgroup-full:ro", sep); sep = " "; break; | |
2064 | case LXC_AUTO_CGROUP_FULL_RW: strprint(retv, inlen, "%scgroup-full:rw", sep); sep = " "; break; | |
b099e9e9 SH |
2065 | default: break; |
2066 | } | |
0769b82a | 2067 | |
b099e9e9 SH |
2068 | return fulllen; |
2069 | } | |
2070 | ||
72d0e1cb SG |
2071 | /* |
2072 | * lxc.network.0.XXX, where XXX can be: name, type, link, flags, type, | |
8fc8295a | 2073 | * macvlan.mode, veth.pair, vlan, ipv4, ipv6, script.up, hwaddr, mtu, |
72d0e1cb SG |
2074 | * ipv4_gateway, ipv6_gateway. ipvX_gateway can return 'auto' instead |
2075 | * of an address. ipv4 and ipv6 return lists (newline-separated). | |
2076 | * things like veth.pair return '' if invalid (i.e. if called for vlan | |
2077 | * type). | |
2078 | */ | |
12a50cc6 DE |
2079 | static int lxc_get_item_nic(struct lxc_conf *c, char *retv, int inlen, |
2080 | const char *key) | |
72d0e1cb SG |
2081 | { |
2082 | char *p1; | |
fe88b9d2 | 2083 | int len, fulllen = 0; |
72d0e1cb SG |
2084 | struct lxc_netdev *netdev; |
2085 | ||
2086 | if (!retv) | |
2087 | inlen = 0; | |
2088 | else | |
2089 | memset(retv, 0, inlen); | |
2090 | ||
2091 | p1 = index(key, '.'); | |
2092 | if (!p1 || *(p1+1) == '\0') return -1; | |
2093 | p1++; | |
2094 | ||
2095 | netdev = get_netdev_from_key(key, &c->network); | |
2096 | if (!netdev) | |
2097 | return -1; | |
2098 | if (strcmp(p1, "name") == 0) { | |
2099 | if (netdev->name) | |
2100 | strprint(retv, inlen, "%s", netdev->name); | |
2101 | } else if (strcmp(p1, "type") == 0) { | |
2102 | strprint(retv, inlen, "%s", lxc_net_type_to_str(netdev->type)); | |
2103 | } else if (strcmp(p1, "link") == 0) { | |
2104 | if (netdev->link) | |
2105 | strprint(retv, inlen, "%s", netdev->link); | |
2106 | } else if (strcmp(p1, "flags") == 0) { | |
2107 | if (netdev->flags & IFF_UP) | |
2108 | strprint(retv, inlen, "up"); | |
8fc8295a | 2109 | } else if (strcmp(p1, "script.up") == 0) { |
72d0e1cb SG |
2110 | if (netdev->upscript) |
2111 | strprint(retv, inlen, "%s", netdev->upscript); | |
8fc8295a DE |
2112 | } else if (strcmp(p1, "script.down") == 0) { |
2113 | if (netdev->downscript) | |
2114 | strprint(retv, inlen, "%s", netdev->downscript); | |
72d0e1cb SG |
2115 | } else if (strcmp(p1, "hwaddr") == 0) { |
2116 | if (netdev->hwaddr) | |
2117 | strprint(retv, inlen, "%s", netdev->hwaddr); | |
2118 | } else if (strcmp(p1, "mtu") == 0) { | |
2119 | if (netdev->mtu) | |
2120 | strprint(retv, inlen, "%s", netdev->mtu); | |
2121 | } else if (strcmp(p1, "macvlan.mode") == 0) { | |
2122 | if (netdev->type == LXC_NET_MACVLAN) { | |
2123 | const char *mode; | |
2124 | switch (netdev->priv.macvlan_attr.mode) { | |
2125 | case MACVLAN_MODE_PRIVATE: mode = "private"; break; | |
2126 | case MACVLAN_MODE_VEPA: mode = "vepa"; break; | |
2127 | case MACVLAN_MODE_BRIDGE: mode = "bridge"; break; | |
2128 | default: mode = "(invalid)"; break; | |
2129 | } | |
2130 | strprint(retv, inlen, "%s", mode); | |
2131 | } | |
2132 | } else if (strcmp(p1, "veth.pair") == 0) { | |
11029c02 DE |
2133 | if (netdev->type == LXC_NET_VETH) { |
2134 | strprint(retv, inlen, "%s", | |
2135 | netdev->priv.veth_attr.pair ? | |
2136 | netdev->priv.veth_attr.pair : | |
2137 | netdev->priv.veth_attr.veth1); | |
2138 | } | |
72d0e1cb SG |
2139 | } else if (strcmp(p1, "vlan") == 0) { |
2140 | if (netdev->type == LXC_NET_VLAN) { | |
2141 | strprint(retv, inlen, "%d", netdev->priv.vlan_attr.vid); | |
2142 | } | |
2143 | } else if (strcmp(p1, "ipv4_gateway") == 0) { | |
2144 | if (netdev->ipv4_gateway_auto) { | |
2145 | strprint(retv, inlen, "auto"); | |
2146 | } else if (netdev->ipv4_gateway) { | |
2147 | char buf[INET_ADDRSTRLEN]; | |
2148 | inet_ntop(AF_INET, netdev->ipv4_gateway, buf, sizeof(buf)); | |
2149 | strprint(retv, inlen, "%s", buf); | |
2150 | } | |
2151 | } else if (strcmp(p1, "ipv4") == 0) { | |
2152 | struct lxc_list *it2; | |
2153 | lxc_list_for_each(it2, &netdev->ipv4) { | |
2154 | struct lxc_inetdev *i = it2->elem; | |
2155 | char buf[INET_ADDRSTRLEN]; | |
2156 | inet_ntop(AF_INET, &i->addr, buf, sizeof(buf)); | |
2157 | strprint(retv, inlen, "%s\n", buf); | |
2158 | } | |
2159 | } else if (strcmp(p1, "ipv6_gateway") == 0) { | |
2160 | if (netdev->ipv6_gateway_auto) { | |
2161 | strprint(retv, inlen, "auto"); | |
2162 | } else if (netdev->ipv6_gateway) { | |
2163 | char buf[INET_ADDRSTRLEN]; | |
2164 | inet_ntop(AF_INET, netdev->ipv6_gateway, buf, sizeof(buf)); | |
2165 | strprint(retv, inlen, "%s", buf); | |
2166 | } | |
2167 | } else if (strcmp(p1, "ipv6") == 0) { | |
2168 | struct lxc_list *it2; | |
2169 | lxc_list_for_each(it2, &netdev->ipv6) { | |
2170 | struct lxc_inetdev *i = it2->elem; | |
2171 | char buf[INET_ADDRSTRLEN]; | |
2172 | inet_ntop(AF_INET6, &i->addr, buf, sizeof(buf)); | |
2173 | strprint(retv, inlen, "%s\n", buf); | |
2174 | } | |
2175 | } | |
2176 | return fulllen; | |
2177 | } | |
2178 | ||
2179 | static int lxc_get_item_network(struct lxc_conf *c, char *retv, int inlen) | |
2180 | { | |
2181 | int len, fulllen = 0; | |
2182 | struct lxc_list *it; | |
2183 | ||
2184 | if (!retv) | |
2185 | inlen = 0; | |
2186 | else | |
2187 | memset(retv, 0, inlen); | |
2188 | ||
2189 | lxc_list_for_each(it, &c->network) { | |
2190 | struct lxc_netdev *n = it->elem; | |
2191 | const char *t = lxc_net_type_to_str(n->type); | |
2192 | strprint(retv, inlen, "%s\n", t ? t : "(invalid)"); | |
2193 | } | |
2194 | return fulllen; | |
2195 | } | |
2196 | ||
12a50cc6 DE |
2197 | int lxc_get_config_item(struct lxc_conf *c, const char *key, char *retv, |
2198 | int inlen) | |
72d0e1cb | 2199 | { |
4a85ce2a | 2200 | const char *v = NULL; |
72d0e1cb SG |
2201 | |
2202 | if (strcmp(key, "lxc.mount.entry") == 0) | |
2203 | return lxc_get_mount_entries(c, retv, inlen); | |
b099e9e9 SH |
2204 | else if (strcmp(key, "lxc.mount.auto") == 0) |
2205 | return lxc_get_auto_mounts(c, retv, inlen); | |
72d0e1cb SG |
2206 | else if (strcmp(key, "lxc.mount") == 0) |
2207 | v = c->fstab; | |
2208 | else if (strcmp(key, "lxc.tty") == 0) | |
2209 | return lxc_get_conf_int(c, retv, inlen, c->tty); | |
2210 | else if (strcmp(key, "lxc.pts") == 0) | |
2211 | return lxc_get_conf_int(c, retv, inlen, c->pts); | |
2212 | else if (strcmp(key, "lxc.devttydir") == 0) | |
2213 | v = c->ttydir; | |
2214 | else if (strcmp(key, "lxc.arch") == 0) | |
2215 | return lxc_get_arch_entry(c, retv, inlen); | |
2216 | else if (strcmp(key, "lxc.aa_profile") == 0) | |
fe4de9a6 DE |
2217 | v = c->lsm_aa_profile; |
2218 | else if (strcmp(key, "lxc.se_context") == 0) | |
2219 | v = c->lsm_se_context; | |
4a85ce2a | 2220 | else if (strcmp(key, "lxc.logfile") == 0) |
9ea87d5d | 2221 | v = lxc_log_get_file(); |
4a85ce2a | 2222 | else if (strcmp(key, "lxc.loglevel") == 0) |
9ea87d5d | 2223 | v = lxc_log_priority_to_string(lxc_log_get_level()); |
72d0e1cb SG |
2224 | else if (strcmp(key, "lxc.cgroup") == 0) // all cgroup info |
2225 | return lxc_get_cgroup_entry(c, retv, inlen, "all"); | |
2226 | else if (strncmp(key, "lxc.cgroup.", 11) == 0) // specific cgroup info | |
2227 | return lxc_get_cgroup_entry(c, retv, inlen, key + 11); | |
2228 | else if (strcmp(key, "lxc.utsname") == 0) | |
64fca455 | 2229 | v = c->utsname ? c->utsname->nodename : NULL; |
72d0e1cb SG |
2230 | else if (strcmp(key, "lxc.console") == 0) |
2231 | v = c->console.path; | |
2232 | else if (strcmp(key, "lxc.rootfs.mount") == 0) | |
2233 | v = c->rootfs.mount; | |
a17b1e65 SG |
2234 | else if (strcmp(key, "lxc.rootfs.options") == 0) |
2235 | v = c->rootfs.options; | |
72d0e1cb SG |
2236 | else if (strcmp(key, "lxc.rootfs") == 0) |
2237 | v = c->rootfs.path; | |
2238 | else if (strcmp(key, "lxc.pivotdir") == 0) | |
2239 | v = c->rootfs.pivot; | |
2240 | else if (strcmp(key, "lxc.cap.drop") == 0) | |
2241 | return lxc_get_item_cap_drop(c, retv, inlen); | |
1fb86a7c SH |
2242 | else if (strcmp(key, "lxc.cap.keep") == 0) |
2243 | return lxc_get_item_cap_keep(c, retv, inlen); | |
72d0e1cb SG |
2244 | else if (strncmp(key, "lxc.hook", 8) == 0) |
2245 | return lxc_get_item_hooks(c, retv, inlen, key); | |
2246 | else if (strcmp(key, "lxc.network") == 0) | |
2247 | return lxc_get_item_network(c, retv, inlen); | |
2248 | else if (strncmp(key, "lxc.network.", 12) == 0) | |
2249 | return lxc_get_item_nic(c, retv, inlen, key + 12); | |
ee1e7aa0 SG |
2250 | else if (strcmp(key, "lxc.start.auto") == 0) |
2251 | return lxc_get_conf_int(c, retv, inlen, c->start_auto); | |
2252 | else if (strcmp(key, "lxc.start.delay") == 0) | |
2253 | return lxc_get_conf_int(c, retv, inlen, c->start_delay); | |
2254 | else if (strcmp(key, "lxc.start.order") == 0) | |
2255 | return lxc_get_conf_int(c, retv, inlen, c->start_order); | |
2256 | else if (strcmp(key, "lxc.group") == 0) | |
2257 | return lxc_get_item_groups(c, retv, inlen); | |
58e0f57d SH |
2258 | else if (strcmp(key, "lxc.seccomp") == 0) |
2259 | v = c->seccomp; | |
72d0e1cb SG |
2260 | else return -1; |
2261 | ||
2262 | if (!v) | |
2263 | return 0; | |
2264 | if (retv && inlen >= strlen(v) + 1) | |
2265 | strncpy(retv, v, strlen(v)+1); | |
2266 | return strlen(v); | |
2267 | } | |
2268 | ||
12a50cc6 | 2269 | int lxc_clear_config_item(struct lxc_conf *c, const char *key) |
72d0e1cb SG |
2270 | { |
2271 | if (strcmp(key, "lxc.network") == 0) | |
2272 | return lxc_clear_config_network(c); | |
2273 | else if (strncmp(key, "lxc.network.", 12) == 0) | |
2274 | return lxc_clear_nic(c, key + 12); | |
2275 | else if (strcmp(key, "lxc.cap.drop") == 0) | |
2276 | return lxc_clear_config_caps(c); | |
1fb86a7c SH |
2277 | else if (strcmp(key, "lxc.cap.keep") == 0) |
2278 | return lxc_clear_config_keepcaps(c); | |
72d0e1cb SG |
2279 | else if (strncmp(key, "lxc.cgroup", 10) == 0) |
2280 | return lxc_clear_cgroups(c, key); | |
2281 | else if (strcmp(key, "lxc.mount.entries") == 0) | |
2282 | return lxc_clear_mount_entries(c); | |
b099e9e9 SH |
2283 | else if (strcmp(key, "lxc.mount.auto") == 0) |
2284 | return lxc_clear_automounts(c); | |
17ed13a3 SH |
2285 | else if (strncmp(key, "lxc.hook", 8) == 0) |
2286 | return lxc_clear_hooks(c, key); | |
ee1e7aa0 SG |
2287 | else if (strncmp(key, "lxc.group", 9) == 0) |
2288 | return lxc_clear_groups(c); | |
58e0f57d SH |
2289 | else if (strncmp(key, "lxc.seccomp", 11) == 0) { |
2290 | lxc_seccomp_free(c); | |
2291 | return 0; | |
2292 | } | |
72d0e1cb SG |
2293 | |
2294 | return -1; | |
2295 | } | |
2296 | ||
2297 | /* | |
2298 | * writing out a confile. | |
2299 | */ | |
2300 | void write_config(FILE *fout, struct lxc_conf *c) | |
2301 | { | |
2302 | struct lxc_list *it; | |
2303 | int i; | |
fd986e08 | 2304 | const char *signame; |
72d0e1cb | 2305 | |
4184c3e1 | 2306 | /* first write any includes */ |
f979ac15 SH |
2307 | lxc_list_for_each(it, &c->includes) { |
2308 | fprintf(fout, "lxc.include = %s\n", (char *)it->elem); | |
2309 | } | |
2310 | ||
4184c3e1 SH |
2311 | /* now write any aliens */ |
2312 | lxc_list_for_each(it, &c->aliens) { | |
2313 | fprintf(fout, "%s\n", (char *)it->elem); | |
2314 | } | |
2315 | ||
72d0e1cb SG |
2316 | if (c->fstab) |
2317 | fprintf(fout, "lxc.mount = %s\n", c->fstab); | |
2318 | lxc_list_for_each(it, &c->mount_list) { | |
2319 | fprintf(fout, "lxc.mount.entry = %s\n", (char *)it->elem); | |
2320 | } | |
5f62730e CS |
2321 | if (c->auto_mounts & LXC_AUTO_ALL_MASK) { |
2322 | fprintf(fout, "lxc.mount.auto ="); | |
2323 | switch (c->auto_mounts & LXC_AUTO_PROC_MASK) { | |
0769b82a CS |
2324 | case LXC_AUTO_PROC_MIXED: fprintf(fout, " proc:mixed"); break; |
2325 | case LXC_AUTO_PROC_RW: fprintf(fout, " proc:rw"); break; | |
5f62730e CS |
2326 | default: break; |
2327 | } | |
2328 | switch (c->auto_mounts & LXC_AUTO_SYS_MASK) { | |
0769b82a CS |
2329 | case LXC_AUTO_SYS_RO: fprintf(fout, " sys:ro"); break; |
2330 | case LXC_AUTO_SYS_RW: fprintf(fout, " sys:rw"); break; | |
5f62730e CS |
2331 | default: break; |
2332 | } | |
2333 | switch (c->auto_mounts & LXC_AUTO_CGROUP_MASK) { | |
0769b82a CS |
2334 | case LXC_AUTO_CGROUP_NOSPEC: fprintf(fout, " cgroup"); break; |
2335 | case LXC_AUTO_CGROUP_MIXED: fprintf(fout, " cgroup:mixed"); break; | |
2336 | case LXC_AUTO_CGROUP_RO: fprintf(fout, " cgroup:ro"); break; | |
2337 | case LXC_AUTO_CGROUP_RW: fprintf(fout, " cgroup:rw"); break; | |
2338 | case LXC_AUTO_CGROUP_FULL_NOSPEC: fprintf(fout, " cgroup-full"); break; | |
2339 | case LXC_AUTO_CGROUP_FULL_MIXED: fprintf(fout, " cgroup-full:mixed"); break; | |
2340 | case LXC_AUTO_CGROUP_FULL_RO: fprintf(fout, " cgroup-full:ro"); break; | |
2341 | case LXC_AUTO_CGROUP_FULL_RW: fprintf(fout, " cgroup-full:rw"); break; | |
5f62730e CS |
2342 | default: break; |
2343 | } | |
2344 | fprintf(fout, "\n"); | |
2345 | } | |
72d0e1cb SG |
2346 | if (c->tty) |
2347 | fprintf(fout, "lxc.tty = %d\n", c->tty); | |
2348 | if (c->pts) | |
2349 | fprintf(fout, "lxc.pts = %d\n", c->pts); | |
2350 | if (c->ttydir) | |
2351 | fprintf(fout, "lxc.devttydir = %s\n", c->ttydir); | |
fd986e08 AV |
2352 | if (c->haltsignal) { |
2353 | signame = sig_name(c->haltsignal); | |
2354 | if (signame == NULL) { | |
2355 | fprintf(fout, "lxc.haltsignal = %d\n", c->haltsignal); | |
2356 | } else { | |
3fdd0ca8 | 2357 | fprintf(fout, "lxc.haltsignal = SIG%s\n", signame); |
fd986e08 AV |
2358 | } |
2359 | } | |
2360 | if (c->stopsignal) { | |
2361 | signame = sig_name(c->stopsignal); | |
2362 | if (signame == NULL) { | |
2363 | fprintf(fout, "lxc.stopsignal = %d\n", c->stopsignal); | |
2364 | } else { | |
3fdd0ca8 | 2365 | fprintf(fout, "lxc.stopsignal = SIG%s\n", signame); |
fd986e08 AV |
2366 | } |
2367 | } | |
6ff05e18 | 2368 | #if HAVE_SYS_PERSONALITY_H |
72d0e1cb | 2369 | switch(c->personality) { |
14622799 | 2370 | case PER_LINUX32: fprintf(fout, "lxc.arch = i686\n"); break; |
72d0e1cb SG |
2371 | case PER_LINUX: fprintf(fout, "lxc.arch = x86_64\n"); break; |
2372 | default: break; | |
2373 | } | |
6ff05e18 | 2374 | #endif |
fe4de9a6 DE |
2375 | if (c->lsm_aa_profile) |
2376 | fprintf(fout, "lxc.aa_profile = %s\n", c->lsm_aa_profile); | |
2377 | if (c->lsm_se_context) | |
2378 | fprintf(fout, "lxc.se_context = %s\n", c->lsm_se_context); | |
df2d4205 DE |
2379 | if (c->seccomp) |
2380 | fprintf(fout, "lxc.seccomp = %s\n", c->seccomp); | |
2381 | if (c->kmsg == 0) | |
2382 | fprintf(fout, "lxc.kmsg = 0\n"); | |
b9fdb692 | 2383 | if (c->autodev > 0) |
df2d4205 | 2384 | fprintf(fout, "lxc.autodev = 1\n"); |
b40a606e SH |
2385 | if (c->loglevel != LXC_LOG_PRIORITY_NOTSET) |
2386 | fprintf(fout, "lxc.loglevel = %s\n", lxc_log_priority_to_string(c->loglevel)); | |
2387 | if (c->logfile) | |
2388 | fprintf(fout, "lxc.logfile = %s\n", c->logfile); | |
72d0e1cb SG |
2389 | lxc_list_for_each(it, &c->cgroup) { |
2390 | struct lxc_cgroup *cg = it->elem; | |
2391 | fprintf(fout, "lxc.cgroup.%s = %s\n", cg->subsystem, cg->value); | |
2392 | } | |
2393 | if (c->utsname) | |
2394 | fprintf(fout, "lxc.utsname = %s\n", c->utsname->nodename); | |
2395 | lxc_list_for_each(it, &c->network) { | |
2396 | struct lxc_netdev *n = it->elem; | |
2397 | const char *t = lxc_net_type_to_str(n->type); | |
2398 | struct lxc_list *it2; | |
2399 | fprintf(fout, "lxc.network.type = %s\n", t ? t : "(invalid)"); | |
2400 | if (n->flags & IFF_UP) | |
2401 | fprintf(fout, "lxc.network.flags = up\n"); | |
2402 | if (n->link) | |
2403 | fprintf(fout, "lxc.network.link = %s\n", n->link); | |
2404 | if (n->name) | |
2405 | fprintf(fout, "lxc.network.name = %s\n", n->name); | |
2406 | if (n->type == LXC_NET_MACVLAN) { | |
2407 | const char *mode; | |
2408 | switch (n->priv.macvlan_attr.mode) { | |
2409 | case MACVLAN_MODE_PRIVATE: mode = "private"; break; | |
2410 | case MACVLAN_MODE_VEPA: mode = "vepa"; break; | |
2411 | case MACVLAN_MODE_BRIDGE: mode = "bridge"; break; | |
2412 | default: mode = "(invalid)"; break; | |
2413 | } | |
2414 | fprintf(fout, "lxc.network.macvlan.mode = %s\n", mode); | |
2415 | } else if (n->type == LXC_NET_VETH) { | |
2416 | if (n->priv.veth_attr.pair) | |
2417 | fprintf(fout, "lxc.network.veth.pair = %s\n", | |
2418 | n->priv.veth_attr.pair); | |
2419 | } else if (n->type == LXC_NET_VLAN) { | |
2420 | fprintf(fout, "lxc.network.vlan.id = %d\n", n->priv.vlan_attr.vid); | |
2421 | } | |
2422 | if (n->upscript) | |
2423 | fprintf(fout, "lxc.network.script.up = %s\n", n->upscript); | |
8fc8295a DE |
2424 | if (n->downscript) |
2425 | fprintf(fout, "lxc.network.script.down = %s\n", n->downscript); | |
72d0e1cb SG |
2426 | if (n->hwaddr) |
2427 | fprintf(fout, "lxc.network.hwaddr = %s\n", n->hwaddr); | |
2428 | if (n->mtu) | |
2429 | fprintf(fout, "lxc.network.mtu = %s\n", n->mtu); | |
2430 | if (n->ipv4_gateway_auto) | |
2431 | fprintf(fout, "lxc.network.ipv4.gateway = auto\n"); | |
2432 | else if (n->ipv4_gateway) { | |
2433 | char buf[INET_ADDRSTRLEN]; | |
2434 | inet_ntop(AF_INET, n->ipv4_gateway, buf, sizeof(buf)); | |
2435 | fprintf(fout, "lxc.network.ipv4.gateway = %s\n", buf); | |
2436 | } | |
2437 | lxc_list_for_each(it2, &n->ipv4) { | |
2438 | struct lxc_inetdev *i = it2->elem; | |
2439 | char buf[INET_ADDRSTRLEN]; | |
2440 | inet_ntop(AF_INET, &i->addr, buf, sizeof(buf)); | |
be660853 SG |
2441 | fprintf(fout, "lxc.network.ipv4 = %s", buf); |
2442 | ||
89addaa7 | 2443 | if (i->prefix) |
be660853 SG |
2444 | fprintf(fout, "/%d", i->prefix); |
2445 | ||
2446 | if (i->bcast.s_addr != (i->addr.s_addr | | |
2447 | htonl(INADDR_BROADCAST >> i->prefix))) { | |
2448 | ||
2449 | inet_ntop(AF_INET, &i->bcast, buf, sizeof(buf)); | |
2450 | fprintf(fout, " %s\n", buf); | |
2451 | } | |
89addaa7 | 2452 | else |
be660853 | 2453 | fprintf(fout, "\n"); |
72d0e1cb SG |
2454 | } |
2455 | if (n->ipv6_gateway_auto) | |
2456 | fprintf(fout, "lxc.network.ipv6.gateway = auto\n"); | |
2457 | else if (n->ipv6_gateway) { | |
2458 | char buf[INET6_ADDRSTRLEN]; | |
2459 | inet_ntop(AF_INET6, n->ipv6_gateway, buf, sizeof(buf)); | |
2460 | fprintf(fout, "lxc.network.ipv6.gateway = %s\n", buf); | |
2461 | } | |
2462 | lxc_list_for_each(it2, &n->ipv6) { | |
2463 | struct lxc_inet6dev *i = it2->elem; | |
2464 | char buf[INET6_ADDRSTRLEN]; | |
64994c03 | 2465 | inet_ntop(AF_INET6, &i->addr, buf, sizeof(buf)); |
89addaa7 RV |
2466 | if (i->prefix) |
2467 | fprintf(fout, "lxc.network.ipv6 = %s/%d\n", | |
2468 | buf, i->prefix); | |
2469 | else | |
2470 | fprintf(fout, "lxc.network.ipv6 = %s\n", buf); | |
72d0e1cb SG |
2471 | } |
2472 | } | |
2473 | lxc_list_for_each(it, &c->caps) | |
2474 | fprintf(fout, "lxc.cap.drop = %s\n", (char *)it->elem); | |
1fb86a7c SH |
2475 | lxc_list_for_each(it, &c->keepcaps) |
2476 | fprintf(fout, "lxc.cap.keep = %s\n", (char *)it->elem); | |
27c27d73 SH |
2477 | lxc_list_for_each(it, &c->id_map) { |
2478 | struct id_map *idmap = it->elem; | |
2479 | fprintf(fout, "lxc.id_map = %c %lu %lu %lu\n", | |
2480 | idmap->idtype == ID_TYPE_UID ? 'u' : 'g', idmap->nsid, | |
2481 | idmap->hostid, idmap->range); | |
2482 | } | |
72d0e1cb SG |
2483 | for (i=0; i<NUM_LXC_HOOKS; i++) { |
2484 | lxc_list_for_each(it, &c->hooks[i]) | |
2485 | fprintf(fout, "lxc.hook.%s = %s\n", | |
2486 | lxchook_names[i], (char *)it->elem); | |
2487 | } | |
2488 | if (c->console.path) | |
2489 | fprintf(fout, "lxc.console = %s\n", c->console.path); | |
2490 | if (c->rootfs.path) | |
2491 | fprintf(fout, "lxc.rootfs = %s\n", c->rootfs.path); | |
2492 | if (c->rootfs.mount && strcmp(c->rootfs.mount, LXCROOTFSMOUNT) != 0) | |
2493 | fprintf(fout, "lxc.rootfs.mount = %s\n", c->rootfs.mount); | |
a17b1e65 SG |
2494 | if (c->rootfs.options) |
2495 | fprintf(fout, "lxc.rootfs.options = %s\n", c->rootfs.options); | |
72d0e1cb SG |
2496 | if (c->rootfs.pivot) |
2497 | fprintf(fout, "lxc.pivotdir = %s\n", c->rootfs.pivot); | |
df2d4205 DE |
2498 | if (c->start_auto) |
2499 | fprintf(fout, "lxc.start.auto = %d\n", c->start_auto); | |
2500 | if (c->start_delay) | |
2501 | fprintf(fout, "lxc.start.delay = %d\n", c->start_delay); | |
2502 | if (c->start_order) | |
2503 | fprintf(fout, "lxc.start.order = %d\n", c->start_order); | |
2504 | lxc_list_for_each(it, &c->groups) | |
2505 | fprintf(fout, "lxc.group = %s\n", (char *)it->elem); | |
72d0e1cb | 2506 | } |