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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" |
c2cc9f0a | 44 | |
36eb9bde | 45 | #include <lxc/log.h> |
00b3c2e2 | 46 | #include <lxc/conf.h> |
72d0e1cb | 47 | #include "network.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 *); | |
69 | static int config_pivotdir(const char *, const char *, struct lxc_conf *); | |
70 | static int config_utsname(const char *, const char *, struct lxc_conf *); | |
71 | static int config_hook(const char *, const char *, struct lxc_conf *lxc_conf); | |
72 | static int config_network_type(const char *, const char *, struct lxc_conf *); | |
73 | static int config_network_flags(const char *, const char *, struct lxc_conf *); | |
74 | static int config_network_link(const char *, const char *, struct lxc_conf *); | |
75 | static int config_network_name(const char *, const char *, struct lxc_conf *); | |
76 | static int config_network_veth_pair(const char *, const char *, struct lxc_conf *); | |
77 | static int config_network_macvlan_mode(const char *, const char *, struct lxc_conf *); | |
78 | static int config_network_hwaddr(const char *, const char *, struct lxc_conf *); | |
79 | static int config_network_vlan_id(const char *, const char *, struct lxc_conf *); | |
80 | static int config_network_mtu(const char *, const char *, struct lxc_conf *); | |
81 | static int config_network_ipv4(const char *, const char *, struct lxc_conf *); | |
82 | static int config_network_ipv4_gateway(const char *, const char *, struct lxc_conf *); | |
83 | static int config_network_script(const char *, const char *, struct lxc_conf *); | |
84 | static int config_network_ipv6(const char *, const char *, struct lxc_conf *); | |
85 | static int config_network_ipv6_gateway(const char *, const char *, struct lxc_conf *); | |
86 | static int config_cap_drop(const char *, const char *, struct lxc_conf *); | |
1fb86a7c | 87 | static int config_cap_keep(const char *, const char *, struct lxc_conf *); |
12a50cc6 DE |
88 | static int config_console(const char *, const char *, struct lxc_conf *); |
89 | static int config_seccomp(const char *, const char *, struct lxc_conf *); | |
90 | static int config_includefile(const char *, const char *, struct lxc_conf *); | |
91 | static int config_network_nic(const char *, const char *, struct lxc_conf *); | |
92 | static int config_autodev(const char *, const char *, struct lxc_conf *); | |
a84b9932 | 93 | static int config_stopsignal(const char *, const char *, struct lxc_conf *); |
c2cc9f0a | 94 | |
72d0e1cb | 95 | static struct lxc_config_t config[] = { |
576f946d | 96 | |
cccc74b5 | 97 | { "lxc.arch", config_personality }, |
e892973e DL |
98 | { "lxc.pts", config_pts }, |
99 | { "lxc.tty", config_tty }, | |
7c6ef2a2 | 100 | { "lxc.devttydir", config_ttydir }, |
7e0e1d94 | 101 | { "lxc.kmsg", config_kmsg }, |
fe4de9a6 DE |
102 | { "lxc.aa_profile", config_lsm_aa_profile }, |
103 | { "lxc.se_context", config_lsm_se_context }, | |
e892973e | 104 | { "lxc.cgroup", config_cgroup }, |
f6d3e3e4 | 105 | { "lxc.id_map", config_idmap }, |
4a85ce2a SH |
106 | { "lxc.loglevel", config_loglevel }, |
107 | { "lxc.logfile", config_logfile }, | |
e892973e | 108 | { "lxc.mount", config_mount }, |
23b7ea69 | 109 | { "lxc.rootfs.mount", config_rootfs_mount }, |
e892973e | 110 | { "lxc.rootfs", config_rootfs }, |
bf601689 | 111 | { "lxc.pivotdir", config_pivotdir }, |
e892973e | 112 | { "lxc.utsname", config_utsname }, |
26ddeedd | 113 | { "lxc.hook.pre-start", config_hook }, |
12a50cc6 | 114 | { "lxc.hook.pre-mount", config_hook }, |
26ddeedd | 115 | { "lxc.hook.mount", config_hook }, |
f7bee6c6 | 116 | { "lxc.hook.autodev", config_hook }, |
26ddeedd SH |
117 | { "lxc.hook.start", config_hook }, |
118 | { "lxc.hook.post-stop", config_hook }, | |
148e91f5 | 119 | { "lxc.hook.clone", config_hook }, |
e892973e DL |
120 | { "lxc.network.type", config_network_type }, |
121 | { "lxc.network.flags", config_network_flags }, | |
122 | { "lxc.network.link", config_network_link }, | |
123 | { "lxc.network.name", config_network_name }, | |
124 | { "lxc.network.macvlan.mode", config_network_macvlan_mode }, | |
125 | { "lxc.network.veth.pair", config_network_veth_pair }, | |
e3b4c4c4 | 126 | { "lxc.network.script.up", config_network_script }, |
74a2b586 | 127 | { "lxc.network.script.down", config_network_script }, |
e892973e DL |
128 | { "lxc.network.hwaddr", config_network_hwaddr }, |
129 | { "lxc.network.mtu", config_network_mtu }, | |
130 | { "lxc.network.vlan.id", config_network_vlan_id }, | |
f8fee0e2 | 131 | { "lxc.network.ipv4.gateway", config_network_ipv4_gateway }, |
e892973e | 132 | { "lxc.network.ipv4", config_network_ipv4 }, |
f8fee0e2 | 133 | { "lxc.network.ipv6.gateway", config_network_ipv6_gateway }, |
e892973e | 134 | { "lxc.network.ipv6", config_network_ipv6 }, |
72d0e1cb SG |
135 | /* config_network_nic must come after all other 'lxc.network.*' entries */ |
136 | { "lxc.network.", config_network_nic }, | |
81810dd1 | 137 | { "lxc.cap.drop", config_cap_drop }, |
1fb86a7c | 138 | { "lxc.cap.keep", config_cap_keep }, |
63376d7d | 139 | { "lxc.console", config_console }, |
8f2c3a70 | 140 | { "lxc.seccomp", config_seccomp }, |
09ad6246 | 141 | { "lxc.include", config_includefile }, |
c6883f38 | 142 | { "lxc.autodev", config_autodev }, |
a84b9932 AV |
143 | { "lxc.stopsignal", config_stopsignal }, |
144 | }; | |
145 | ||
146 | struct signame { | |
147 | int num; | |
148 | char *name; | |
149 | }; | |
150 | ||
151 | struct signame signames[] = { | |
152 | { SIGHUP, "HUP" }, | |
153 | { SIGINT, "INT" }, | |
154 | { SIGQUIT, "QUIT" }, | |
155 | { SIGILL, "ILL" }, | |
156 | { SIGABRT, "ABRT" }, | |
157 | { SIGFPE, "FPE" }, | |
158 | { SIGKILL, "KILL" }, | |
159 | { SIGSEGV, "SEGV" }, | |
160 | { SIGPIPE, "PIPE" }, | |
161 | { SIGALRM, "ALRM" }, | |
162 | { SIGTERM, "TERM" }, | |
163 | { SIGUSR1, "USR1" }, | |
164 | { SIGUSR2, "USR2" }, | |
165 | { SIGCHLD, "CHLD" }, | |
166 | { SIGCONT, "CONT" }, | |
167 | { SIGSTOP, "STOP" }, | |
168 | { SIGTSTP, "TSTP" }, | |
169 | { SIGTTIN, "TTIN" }, | |
170 | { SIGTTOU, "TTOU" }, | |
c2cc9f0a | 171 | }; |
172 | ||
72d0e1cb | 173 | static const size_t config_size = sizeof(config)/sizeof(struct lxc_config_t); |
c2cc9f0a | 174 | |
72d0e1cb | 175 | extern struct lxc_config_t *lxc_getconfig(const char *key) |
c2cc9f0a | 176 | { |
177 | int i; | |
178 | ||
179 | for (i = 0; i < config_size; i++) | |
a871ff6b | 180 | if (!strncmp(config[i].name, key, |
c2cc9f0a | 181 | strlen(config[i].name))) |
182 | return &config[i]; | |
183 | return NULL; | |
184 | } | |
185 | ||
72d0e1cb SG |
186 | #define strprint(str, inlen, ...) \ |
187 | do { \ | |
188 | len = snprintf(str, inlen, ##__VA_ARGS__); \ | |
189 | if (len < 0) { SYSERROR("snprintf"); return -1; }; \ | |
190 | fulllen += len; \ | |
191 | if (inlen > 0) { \ | |
192 | if (str) str += len; \ | |
193 | inlen -= len; \ | |
194 | if (inlen < 0) inlen = 0; \ | |
195 | } \ | |
196 | } while (0); | |
197 | ||
198 | int lxc_listconfigs(char *retv, int inlen) | |
199 | { | |
200 | int i, fulllen = 0, len; | |
201 | ||
202 | if (!retv) | |
203 | inlen = 0; | |
204 | else | |
205 | memset(retv, 0, inlen); | |
206 | for (i = 0; i < config_size; i++) { | |
207 | char *s = config[i].name; | |
208 | if (s[strlen(s)-1] == '.') | |
209 | continue; | |
210 | strprint(retv, inlen, "%s\n", s); | |
211 | } | |
212 | return fulllen; | |
213 | } | |
214 | ||
6d03d92a DE |
215 | static int config_string_item(char **conf_item, const char *value) |
216 | { | |
217 | char *new_value; | |
218 | ||
219 | if (!value || strlen(value) == 0) | |
220 | return 0; | |
221 | ||
222 | new_value = strdup(value); | |
223 | if (!new_value) { | |
224 | SYSERROR("failed to strdup '%s': %m", value); | |
225 | return -1; | |
226 | } | |
227 | ||
228 | if (*conf_item) | |
229 | free(*conf_item); | |
230 | *conf_item = new_value; | |
231 | return 0; | |
232 | } | |
233 | ||
234 | static int config_string_item_max(char **conf_item, const char *value, | |
235 | size_t max) | |
236 | { | |
237 | if (strlen(value) >= max) { | |
a5a82508 | 238 | ERROR("%s is too long (>= %lu)", value, (unsigned long)max); |
6d03d92a DE |
239 | return -1; |
240 | } | |
241 | ||
242 | return config_string_item(conf_item, value); | |
243 | } | |
244 | ||
245 | static int config_path_item(char **conf_item, const char *value) | |
246 | { | |
247 | return config_string_item_max(conf_item, value, PATH_MAX); | |
248 | } | |
249 | ||
72d0e1cb SG |
250 | /* |
251 | * config entry is something like "lxc.network.0.ipv4" | |
252 | * the key 'lxc.network.' was found. So we make sure next | |
253 | * comes an integer, find the right callback (by rewriting | |
254 | * the key), and call it. | |
255 | */ | |
12a50cc6 | 256 | static int config_network_nic(const char *key, const char *value, |
72d0e1cb SG |
257 | struct lxc_conf *lxc_conf) |
258 | { | |
259 | char *copy = strdup(key), *p; | |
260 | int ret = -1; | |
261 | struct lxc_config_t *config; | |
262 | ||
263 | if (!copy) { | |
264 | SYSERROR("failed to allocate memory"); | |
265 | return -1; | |
266 | } | |
267 | /* | |
268 | * ok we know that to get here we've got "lxc.network." | |
269 | * and it isn't any of the other network entries. So | |
270 | * after the second . should come an integer (# of defined | |
271 | * nic) followed by a valid entry. | |
272 | */ | |
273 | if (*(key+12) < '0' || *(key+12) > '9') | |
274 | goto out; | |
275 | p = index(key+12, '.'); | |
276 | if (!p) | |
277 | goto out; | |
278 | strcpy(copy+12, p+1); | |
279 | config = lxc_getconfig(copy); | |
280 | if (!config) { | |
281 | ERROR("unknown key %s", key); | |
282 | goto out; | |
283 | } | |
284 | ret = config->cb(key, value, lxc_conf); | |
285 | ||
286 | out: | |
287 | free(copy); | |
288 | return ret; | |
289 | } | |
290 | ||
12a50cc6 | 291 | static int config_network_type(const char *key, const char *value, |
e892973e | 292 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 293 | { |
5f4535a3 | 294 | struct lxc_list *network = &lxc_conf->network; |
c2cc9f0a | 295 | struct lxc_netdev *netdev; |
296 | struct lxc_list *list; | |
c2cc9f0a | 297 | |
298 | netdev = malloc(sizeof(*netdev)); | |
299 | if (!netdev) { | |
36eb9bde | 300 | SYSERROR("failed to allocate memory"); |
c2cc9f0a | 301 | return -1; |
302 | } | |
303 | ||
82d5ae15 | 304 | memset(netdev, 0, sizeof(*netdev)); |
c2cc9f0a | 305 | lxc_list_init(&netdev->ipv4); |
306 | lxc_list_init(&netdev->ipv6); | |
c2cc9f0a | 307 | |
308 | list = malloc(sizeof(*list)); | |
309 | if (!list) { | |
36eb9bde | 310 | SYSERROR("failed to allocate memory"); |
022de5f3 | 311 | free(netdev); |
c2cc9f0a | 312 | return -1; |
313 | } | |
314 | ||
315 | lxc_list_init(list); | |
5f4535a3 | 316 | list->elem = netdev; |
c2cc9f0a | 317 | |
bac89583 | 318 | lxc_list_add_tail(network, list); |
a871ff6b | 319 | |
c2cc9f0a | 320 | if (!strcmp(value, "veth")) |
24654103 | 321 | netdev->type = LXC_NET_VETH; |
c2cc9f0a | 322 | else if (!strcmp(value, "macvlan")) |
24654103 | 323 | netdev->type = LXC_NET_MACVLAN; |
26c39028 | 324 | else if (!strcmp(value, "vlan")) |
24654103 | 325 | netdev->type = LXC_NET_VLAN; |
c2cc9f0a | 326 | else if (!strcmp(value, "phys")) |
24654103 | 327 | netdev->type = LXC_NET_PHYS; |
5f58350a | 328 | else if (!strcmp(value, "empty")) |
24654103 | 329 | netdev->type = LXC_NET_EMPTY; |
c2cc9f0a | 330 | else { |
36eb9bde | 331 | ERROR("invalid network type %s", value); |
c2cc9f0a | 332 | return -1; |
333 | } | |
334 | return 0; | |
335 | } | |
336 | ||
a059591e DL |
337 | static int config_ip_prefix(struct in_addr *addr) |
338 | { | |
339 | if (IN_CLASSA(addr->s_addr)) | |
340 | return 32 - IN_CLASSA_NSHIFT; | |
341 | if (IN_CLASSB(addr->s_addr)) | |
342 | return 32 - IN_CLASSB_NSHIFT; | |
343 | if (IN_CLASSC(addr->s_addr)) | |
344 | return 32 - IN_CLASSC_NSHIFT; | |
345 | ||
346 | return 0; | |
347 | } | |
348 | ||
72d0e1cb SG |
349 | /* |
350 | * if you have p="lxc.network.0.link", pass it p+12 | |
351 | * to get back '0' (the index of the nic) | |
352 | */ | |
353 | static int get_network_netdev_idx(const char *key) | |
354 | { | |
355 | int ret, idx; | |
356 | ||
357 | if (*key < '0' || *key > '9') | |
358 | return -1; | |
359 | ret = sscanf(key, "%d", &idx); | |
360 | if (ret != 1) | |
361 | return -1; | |
362 | return idx; | |
363 | } | |
364 | ||
365 | /* | |
366 | * if you have p="lxc.network.0", pass this p+12 and it will return | |
367 | * the netdev of the first configured nic | |
368 | */ | |
369 | static struct lxc_netdev *get_netdev_from_key(const char *key, | |
370 | struct lxc_list *network) | |
371 | { | |
372 | int i = 0, idx = get_network_netdev_idx(key); | |
373 | struct lxc_netdev *netdev = NULL; | |
374 | struct lxc_list *it; | |
375 | if (idx == -1) | |
376 | return NULL; | |
377 | lxc_list_for_each(it, network) { | |
378 | if (idx == i++) { | |
379 | netdev = it->elem; | |
380 | break; | |
381 | } | |
382 | } | |
383 | return netdev; | |
384 | } | |
385 | ||
12a50cc6 DE |
386 | extern int lxc_list_nicconfigs(struct lxc_conf *c, const char *key, |
387 | char *retv, int inlen) | |
72d0e1cb SG |
388 | { |
389 | struct lxc_netdev *netdev; | |
390 | int fulllen = 0, len; | |
391 | ||
392 | netdev = get_netdev_from_key(key+12, &c->network); | |
393 | if (!netdev) | |
394 | return -1; | |
395 | ||
396 | if (!retv) | |
397 | inlen = 0; | |
398 | else | |
399 | memset(retv, 0, inlen); | |
400 | ||
401 | strprint(retv, inlen, "script.up\n"); | |
402 | if (netdev->type != LXC_NET_EMPTY) { | |
403 | strprint(retv, inlen, "flags\n"); | |
404 | strprint(retv, inlen, "link\n"); | |
405 | strprint(retv, inlen, "name\n"); | |
406 | strprint(retv, inlen, "hwaddr\n"); | |
407 | strprint(retv, inlen, "mtu\n"); | |
408 | strprint(retv, inlen, "ipv6\n"); | |
409 | strprint(retv, inlen, "ipv6_gateway\n"); | |
410 | strprint(retv, inlen, "ipv4\n"); | |
411 | strprint(retv, inlen, "ipv4_gateway\n"); | |
412 | } | |
413 | switch(netdev->type) { | |
414 | case LXC_NET_VETH: | |
415 | strprint(retv, inlen, "veth.pair\n"); | |
416 | break; | |
417 | case LXC_NET_MACVLAN: | |
418 | strprint(retv, inlen, "macvlan.mode\n"); | |
419 | break; | |
420 | case LXC_NET_VLAN: | |
421 | strprint(retv, inlen, "vlan.id\n"); | |
422 | break; | |
423 | case LXC_NET_PHYS: | |
424 | break; | |
425 | } | |
426 | return fulllen; | |
427 | } | |
428 | ||
16950ecb DL |
429 | static struct lxc_netdev *network_netdev(const char *key, const char *value, |
430 | struct lxc_list *network) | |
c2cc9f0a | 431 | { |
72d0e1cb | 432 | struct lxc_netdev *netdev = NULL; |
c2cc9f0a | 433 | |
5f4535a3 | 434 | if (lxc_list_empty(network)) { |
16950ecb DL |
435 | ERROR("network is not created for '%s' = '%s' option", |
436 | key, value); | |
33c945e0 | 437 | return NULL; |
c2cc9f0a | 438 | } |
439 | ||
72d0e1cb SG |
440 | if (get_network_netdev_idx(key+12) == -1) |
441 | netdev = lxc_list_last_elem(network); | |
442 | else | |
443 | netdev = get_netdev_from_key(key+12, network); | |
444 | ||
5f4535a3 | 445 | if (!netdev) { |
16950ecb DL |
446 | ERROR("no network device defined for '%s' = '%s' option", |
447 | key, value); | |
33c945e0 | 448 | return NULL; |
c2cc9f0a | 449 | } |
450 | ||
33c945e0 | 451 | return netdev; |
c2cc9f0a | 452 | } |
453 | ||
12a50cc6 | 454 | static int network_ifname(char **valuep, const char *value) |
c2cc9f0a | 455 | { |
c9bb9a85 | 456 | return config_string_item_max(valuep, value, IFNAMSIZ); |
c2cc9f0a | 457 | } |
458 | ||
e892973e DL |
459 | #ifndef MACVLAN_MODE_PRIVATE |
460 | # define MACVLAN_MODE_PRIVATE 1 | |
461 | #endif | |
462 | ||
463 | #ifndef MACVLAN_MODE_VEPA | |
464 | # define MACVLAN_MODE_VEPA 2 | |
465 | #endif | |
466 | ||
467 | #ifndef MACVLAN_MODE_BRIDGE | |
468 | # define MACVLAN_MODE_BRIDGE 4 | |
469 | #endif | |
470 | ||
12a50cc6 | 471 | static int macvlan_mode(int *valuep, const char *value) |
e892973e DL |
472 | { |
473 | struct mc_mode { | |
474 | char *name; | |
475 | int mode; | |
476 | } m[] = { | |
477 | { "private", MACVLAN_MODE_PRIVATE }, | |
478 | { "vepa", MACVLAN_MODE_VEPA }, | |
479 | { "bridge", MACVLAN_MODE_BRIDGE }, | |
480 | }; | |
481 | ||
482 | int i; | |
483 | ||
484 | for (i = 0; i < sizeof(m)/sizeof(m[0]); i++) { | |
485 | if (strcmp(m[i].name, value)) | |
486 | continue; | |
487 | ||
488 | *valuep = m[i].mode; | |
489 | return 0; | |
490 | } | |
491 | ||
492 | return -1; | |
493 | } | |
494 | ||
12a50cc6 | 495 | static int config_network_flags(const char *key, const char *value, |
33c945e0 | 496 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 497 | { |
c2cc9f0a | 498 | struct lxc_netdev *netdev; |
499 | ||
16950ecb | 500 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 501 | if (!netdev) |
c2cc9f0a | 502 | return -1; |
c2cc9f0a | 503 | |
33c945e0 | 504 | netdev->flags |= IFF_UP; |
c2cc9f0a | 505 | |
33c945e0 MT |
506 | return 0; |
507 | } | |
508 | ||
12a50cc6 | 509 | static int config_network_link(const char *key, const char *value, |
33c945e0 MT |
510 | struct lxc_conf *lxc_conf) |
511 | { | |
512 | struct lxc_netdev *netdev; | |
513 | ||
16950ecb | 514 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 515 | if (!netdev) |
c2cc9f0a | 516 | return -1; |
c2cc9f0a | 517 | |
33c945e0 | 518 | return network_ifname(&netdev->link, value); |
c2cc9f0a | 519 | } |
520 | ||
12a50cc6 | 521 | static int config_network_name(const char *key, const char *value, |
33c945e0 | 522 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 523 | { |
c2cc9f0a | 524 | struct lxc_netdev *netdev; |
525 | ||
16950ecb | 526 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 527 | if (!netdev) |
c2cc9f0a | 528 | return -1; |
c2cc9f0a | 529 | |
33c945e0 MT |
530 | return network_ifname(&netdev->name, value); |
531 | } | |
532 | ||
12a50cc6 | 533 | static int config_network_veth_pair(const char *key, const char *value, |
e892973e DL |
534 | struct lxc_conf *lxc_conf) |
535 | { | |
536 | struct lxc_netdev *netdev; | |
537 | ||
538 | netdev = network_netdev(key, value, &lxc_conf->network); | |
539 | if (!netdev) | |
540 | return -1; | |
541 | ||
542 | return network_ifname(&netdev->priv.veth_attr.pair, value); | |
543 | } | |
544 | ||
12a50cc6 | 545 | static int config_network_macvlan_mode(const char *key, const char *value, |
e892973e | 546 | struct lxc_conf *lxc_conf) |
8634bc19 MT |
547 | { |
548 | struct lxc_netdev *netdev; | |
549 | ||
550 | netdev = network_netdev(key, value, &lxc_conf->network); | |
551 | if (!netdev) | |
552 | return -1; | |
553 | ||
e892973e | 554 | return macvlan_mode(&netdev->priv.macvlan_attr.mode, value); |
8634bc19 MT |
555 | } |
556 | ||
12a50cc6 | 557 | static int config_network_hwaddr(const char *key, const char *value, |
33c945e0 MT |
558 | struct lxc_conf *lxc_conf) |
559 | { | |
560 | struct lxc_netdev *netdev; | |
561 | ||
16950ecb | 562 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 563 | if (!netdev) |
c2cc9f0a | 564 | return -1; |
c2cc9f0a | 565 | |
6d03d92a | 566 | return config_string_item(&netdev->hwaddr, value); |
c2cc9f0a | 567 | } |
568 | ||
12a50cc6 | 569 | static int config_network_vlan_id(const char *key, const char *value, |
26c39028 JHS |
570 | struct lxc_conf *lxc_conf) |
571 | { | |
572 | struct lxc_netdev *netdev; | |
573 | ||
574 | netdev = network_netdev(key, value, &lxc_conf->network); | |
575 | if (!netdev) | |
576 | return -1; | |
577 | ||
f6cc1de1 | 578 | if (get_u16(&netdev->priv.vlan_attr.vid, value, 0)) |
26c39028 JHS |
579 | return -1; |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
12a50cc6 | 584 | static int config_network_mtu(const char *key, const char *value, |
33c945e0 | 585 | struct lxc_conf *lxc_conf) |
442cbbe6 | 586 | { |
442cbbe6 TR |
587 | struct lxc_netdev *netdev; |
588 | ||
16950ecb | 589 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 590 | if (!netdev) |
442cbbe6 | 591 | return -1; |
442cbbe6 | 592 | |
6d03d92a | 593 | return config_string_item(&netdev->mtu, value); |
442cbbe6 TR |
594 | } |
595 | ||
12a50cc6 | 596 | static int config_network_ipv4(const char *key, const char *value, |
33c945e0 | 597 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 598 | { |
c2cc9f0a | 599 | struct lxc_netdev *netdev; |
33c945e0 | 600 | struct lxc_inetdev *inetdev; |
c2cc9f0a | 601 | struct lxc_list *list; |
602 | char *cursor, *slash, *addr = NULL, *bcast = NULL, *prefix = NULL; | |
603 | ||
16950ecb | 604 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 605 | if (!netdev) |
c2cc9f0a | 606 | return -1; |
c2cc9f0a | 607 | |
608 | inetdev = malloc(sizeof(*inetdev)); | |
609 | if (!inetdev) { | |
36eb9bde | 610 | SYSERROR("failed to allocate ipv4 address"); |
c2cc9f0a | 611 | return -1; |
612 | } | |
613 | memset(inetdev, 0, sizeof(*inetdev)); | |
614 | ||
615 | list = malloc(sizeof(*list)); | |
616 | if (!list) { | |
36eb9bde | 617 | SYSERROR("failed to allocate memory"); |
53719062 | 618 | free(inetdev); |
c2cc9f0a | 619 | return -1; |
620 | } | |
621 | ||
622 | lxc_list_init(list); | |
623 | list->elem = inetdev; | |
624 | ||
956edc54 SG |
625 | addr = strdup(value); |
626 | if (!addr) { | |
627 | ERROR("no address specified"); | |
53719062 SH |
628 | free(inetdev); |
629 | free(list); | |
956edc54 SG |
630 | return -1; |
631 | } | |
c2cc9f0a | 632 | |
633 | cursor = strstr(addr, " "); | |
634 | if (cursor) { | |
635 | *cursor = '\0'; | |
636 | bcast = cursor + 1; | |
637 | } | |
638 | ||
639 | slash = strstr(addr, "/"); | |
640 | if (slash) { | |
641 | *slash = '\0'; | |
642 | prefix = slash + 1; | |
643 | } | |
644 | ||
c2cc9f0a | 645 | if (!inet_pton(AF_INET, addr, &inetdev->addr)) { |
36eb9bde | 646 | SYSERROR("invalid ipv4 address: %s", value); |
53719062 | 647 | free(inetdev); |
956edc54 | 648 | free(addr); |
53719062 | 649 | free(list); |
c2cc9f0a | 650 | return -1; |
651 | } | |
652 | ||
0093bb8c DL |
653 | if (bcast && !inet_pton(AF_INET, bcast, &inetdev->bcast)) { |
654 | SYSERROR("invalid ipv4 broadcast address: %s", value); | |
53719062 SH |
655 | free(inetdev); |
656 | free(list); | |
956edc54 | 657 | free(addr); |
0093bb8c DL |
658 | return -1; |
659 | } | |
c2cc9f0a | 660 | |
a059591e DL |
661 | /* no prefix specified, determine it from the network class */ |
662 | inetdev->prefix = prefix ? atoi(prefix) : | |
663 | config_ip_prefix(&inetdev->addr); | |
664 | ||
b3df193c | 665 | /* if no broadcast address, let compute one from the |
0093bb8c DL |
666 | * prefix and address |
667 | */ | |
668 | if (!bcast) { | |
1b7d4743 DL |
669 | inetdev->bcast.s_addr = inetdev->addr.s_addr; |
670 | inetdev->bcast.s_addr |= | |
671 | htonl(INADDR_BROADCAST >> inetdev->prefix); | |
0093bb8c | 672 | } |
c2cc9f0a | 673 | |
8538f388 | 674 | lxc_list_add_tail(&netdev->ipv4, list); |
c2cc9f0a | 675 | |
956edc54 | 676 | free(addr); |
c2cc9f0a | 677 | return 0; |
678 | } | |
679 | ||
12a50cc6 | 680 | static int config_network_ipv4_gateway(const char *key, const char *value, |
f8fee0e2 MK |
681 | struct lxc_conf *lxc_conf) |
682 | { | |
683 | struct lxc_netdev *netdev; | |
684 | struct in_addr *gw; | |
685 | ||
686 | netdev = network_netdev(key, value, &lxc_conf->network); | |
687 | if (!netdev) | |
688 | return -1; | |
689 | ||
690 | gw = malloc(sizeof(*gw)); | |
691 | if (!gw) { | |
692 | SYSERROR("failed to allocate ipv4 gateway address"); | |
693 | return -1; | |
694 | } | |
695 | ||
696 | if (!value) { | |
697 | ERROR("no ipv4 gateway address specified"); | |
53719062 | 698 | free(gw); |
f8fee0e2 MK |
699 | return -1; |
700 | } | |
701 | ||
19a26f82 MK |
702 | if (!strcmp(value, "auto")) { |
703 | netdev->ipv4_gateway = NULL; | |
704 | netdev->ipv4_gateway_auto = true; | |
705 | } else { | |
706 | if (!inet_pton(AF_INET, value, gw)) { | |
707 | SYSERROR("invalid ipv4 gateway address: %s", value); | |
53719062 | 708 | free(gw); |
19a26f82 MK |
709 | return -1; |
710 | } | |
711 | ||
712 | netdev->ipv4_gateway = gw; | |
713 | netdev->ipv4_gateway_auto = false; | |
f8fee0e2 MK |
714 | } |
715 | ||
f8fee0e2 MK |
716 | return 0; |
717 | } | |
718 | ||
12a50cc6 | 719 | static int config_network_ipv6(const char *key, const char *value, |
e892973e | 720 | struct lxc_conf *lxc_conf) |
c2cc9f0a | 721 | { |
c2cc9f0a | 722 | struct lxc_netdev *netdev; |
723 | struct lxc_inet6dev *inet6dev; | |
724 | struct lxc_list *list; | |
12a50cc6 | 725 | char *slash,*valdup; |
c2cc9f0a | 726 | char *netmask; |
727 | ||
16950ecb | 728 | netdev = network_netdev(key, value, &lxc_conf->network); |
33c945e0 | 729 | if (!netdev) |
c2cc9f0a | 730 | return -1; |
c2cc9f0a | 731 | |
732 | inet6dev = malloc(sizeof(*inet6dev)); | |
733 | if (!inet6dev) { | |
36eb9bde | 734 | SYSERROR("failed to allocate ipv6 address"); |
c2cc9f0a | 735 | return -1; |
736 | } | |
737 | memset(inet6dev, 0, sizeof(*inet6dev)); | |
738 | ||
739 | list = malloc(sizeof(*list)); | |
740 | if (!list) { | |
36eb9bde | 741 | SYSERROR("failed to allocate memory"); |
28027320 | 742 | free(inet6dev); |
c2cc9f0a | 743 | return -1; |
744 | } | |
745 | ||
746 | lxc_list_init(list); | |
747 | list->elem = inet6dev; | |
748 | ||
956edc54 SG |
749 | valdup = strdup(value); |
750 | if (!valdup) { | |
751 | ERROR("no address specified"); | |
28027320 SH |
752 | free(list); |
753 | free(inet6dev); | |
956edc54 SG |
754 | return -1; |
755 | } | |
756 | ||
a059591e | 757 | inet6dev->prefix = 64; |
12a50cc6 | 758 | slash = strstr(valdup, "/"); |
c2cc9f0a | 759 | if (slash) { |
760 | *slash = '\0'; | |
761 | netmask = slash + 1; | |
762 | inet6dev->prefix = atoi(netmask); | |
763 | } | |
764 | ||
5acccf95 SH |
765 | if (!inet_pton(AF_INET6, valdup, &inet6dev->addr)) { |
766 | SYSERROR("invalid ipv6 address: %s", valdup); | |
28027320 SH |
767 | free(list); |
768 | free(inet6dev); | |
956edc54 | 769 | free(valdup); |
c2cc9f0a | 770 | return -1; |
771 | } | |
772 | ||
8538f388 | 773 | lxc_list_add_tail(&netdev->ipv6, list); |
c2cc9f0a | 774 | |
956edc54 | 775 | free(valdup); |
c2cc9f0a | 776 | return 0; |
777 | } | |
778 | ||
12a50cc6 | 779 | static int config_network_ipv6_gateway(const char *key, const char *value, |
f8fee0e2 MK |
780 | struct lxc_conf *lxc_conf) |
781 | { | |
782 | struct lxc_netdev *netdev; | |
f8fee0e2 MK |
783 | |
784 | netdev = network_netdev(key, value, &lxc_conf->network); | |
785 | if (!netdev) | |
786 | return -1; | |
787 | ||
f8fee0e2 MK |
788 | if (!value) { |
789 | ERROR("no ipv6 gateway address specified"); | |
790 | return -1; | |
791 | } | |
792 | ||
19a26f82 MK |
793 | if (!strcmp(value, "auto")) { |
794 | netdev->ipv6_gateway = NULL; | |
795 | netdev->ipv6_gateway_auto = true; | |
796 | } else { | |
8fb86a37 SH |
797 | struct in6_addr *gw; |
798 | ||
bec695f3 DE |
799 | gw = malloc(sizeof(*gw)); |
800 | if (!gw) { | |
801 | SYSERROR("failed to allocate ipv6 gateway address"); | |
802 | return -1; | |
803 | } | |
804 | ||
19a26f82 MK |
805 | if (!inet_pton(AF_INET6, value, gw)) { |
806 | SYSERROR("invalid ipv6 gateway address: %s", value); | |
28027320 | 807 | free(gw); |
19a26f82 MK |
808 | return -1; |
809 | } | |
810 | ||
811 | netdev->ipv6_gateway = gw; | |
812 | netdev->ipv6_gateway_auto = false; | |
f8fee0e2 MK |
813 | } |
814 | ||
f8fee0e2 MK |
815 | return 0; |
816 | } | |
817 | ||
12a50cc6 | 818 | static int config_network_script(const char *key, const char *value, |
e3b4c4c4 ST |
819 | struct lxc_conf *lxc_conf) |
820 | { | |
821 | struct lxc_netdev *netdev; | |
822 | ||
823 | netdev = network_netdev(key, value, &lxc_conf->network); | |
824 | if (!netdev) | |
825 | return -1; | |
826 | ||
827 | char *copy = strdup(value); | |
828 | if (!copy) { | |
829 | SYSERROR("failed to dup string '%s'", value); | |
830 | return -1; | |
831 | } | |
72d0e1cb | 832 | if (strstr(key, "script.up") != NULL) { |
e3b4c4c4 ST |
833 | netdev->upscript = copy; |
834 | return 0; | |
835 | } | |
74a2b586 JK |
836 | if (strcmp(key, "lxc.network.script.down") == 0) { |
837 | netdev->downscript = copy; | |
838 | return 0; | |
839 | } | |
e3b4c4c4 ST |
840 | SYSERROR("Unknown key: %s", key); |
841 | free(copy); | |
842 | return -1; | |
843 | } | |
844 | ||
26ddeedd SH |
845 | static int add_hook(struct lxc_conf *lxc_conf, int which, char *hook) |
846 | { | |
847 | struct lxc_list *hooklist; | |
848 | ||
849 | hooklist = malloc(sizeof(*hooklist)); | |
850 | if (!hooklist) { | |
851 | free(hook); | |
852 | return -1; | |
853 | } | |
854 | hooklist->elem = hook; | |
855 | lxc_list_add_tail(&lxc_conf->hooks[which], hooklist); | |
856 | return 0; | |
857 | } | |
858 | ||
12a50cc6 | 859 | static int config_seccomp(const char *key, const char *value, |
8f2c3a70 SH |
860 | struct lxc_conf *lxc_conf) |
861 | { | |
6d03d92a | 862 | return config_path_item(&lxc_conf->seccomp, value); |
8f2c3a70 SH |
863 | } |
864 | ||
12a50cc6 | 865 | static int config_hook(const char *key, const char *value, |
26ddeedd SH |
866 | struct lxc_conf *lxc_conf) |
867 | { | |
868 | char *copy = strdup(value); | |
869 | if (!copy) { | |
870 | SYSERROR("failed to dup string '%s'", value); | |
871 | return -1; | |
872 | } | |
873 | if (strcmp(key, "lxc.hook.pre-start") == 0) | |
874 | return add_hook(lxc_conf, LXCHOOK_PRESTART, copy); | |
5ea6163a SH |
875 | else if (strcmp(key, "lxc.hook.pre-mount") == 0) |
876 | return add_hook(lxc_conf, LXCHOOK_PREMOUNT, copy); | |
f7bee6c6 MW |
877 | else if (strcmp(key, "lxc.hook.autodev") == 0) |
878 | return add_hook(lxc_conf, LXCHOOK_AUTODEV, copy); | |
26ddeedd SH |
879 | else if (strcmp(key, "lxc.hook.mount") == 0) |
880 | return add_hook(lxc_conf, LXCHOOK_MOUNT, copy); | |
881 | else if (strcmp(key, "lxc.hook.start") == 0) | |
882 | return add_hook(lxc_conf, LXCHOOK_START, copy); | |
883 | else if (strcmp(key, "lxc.hook.post-stop") == 0) | |
884 | return add_hook(lxc_conf, LXCHOOK_POSTSTOP, copy); | |
148e91f5 SH |
885 | else if (strcmp(key, "lxc.hook.clone") == 0) |
886 | return add_hook(lxc_conf, LXCHOOK_CLONE, copy); | |
26ddeedd SH |
887 | SYSERROR("Unknown key: %s", key); |
888 | free(copy); | |
889 | return -1; | |
890 | } | |
891 | ||
8f47bc3f | 892 | static int config_personality(const char *key, const char *value, |
cccc74b5 DL |
893 | struct lxc_conf *lxc_conf) |
894 | { | |
525f0002 | 895 | signed long personality = lxc_config_parse_arch(value); |
cccc74b5 | 896 | |
525f0002 CS |
897 | if (personality >= 0) |
898 | lxc_conf->personality = personality; | |
899 | else | |
900 | WARN("unsupported personality '%s'", value); | |
970ab589 DL |
901 | |
902 | return 0; | |
cccc74b5 DL |
903 | } |
904 | ||
12a50cc6 DE |
905 | static int config_pts(const char *key, const char *value, |
906 | struct lxc_conf *lxc_conf) | |
10db618d | 907 | { |
908 | int maxpts = atoi(value); | |
909 | ||
910 | lxc_conf->pts = maxpts; | |
911 | ||
912 | return 0; | |
913 | } | |
914 | ||
12a50cc6 DE |
915 | static int config_tty(const char *key, const char *value, |
916 | struct lxc_conf *lxc_conf) | |
b0a33c1e | 917 | { |
918 | int nbtty = atoi(value); | |
919 | ||
920 | lxc_conf->tty = nbtty; | |
921 | ||
922 | return 0; | |
923 | } | |
924 | ||
12a50cc6 | 925 | static int config_ttydir(const char *key, const char *value, |
7c6ef2a2 SH |
926 | struct lxc_conf *lxc_conf) |
927 | { | |
6d03d92a | 928 | return config_string_item_max(&lxc_conf->ttydir, value, NAME_MAX+1); |
7c6ef2a2 SH |
929 | } |
930 | ||
7e0e1d94 AV |
931 | static int config_kmsg(const char *key, const char *value, |
932 | struct lxc_conf *lxc_conf) | |
933 | { | |
934 | int v = atoi(value); | |
935 | ||
936 | lxc_conf->kmsg = v; | |
937 | ||
938 | return 0; | |
939 | } | |
940 | ||
fe4de9a6 DE |
941 | static int config_lsm_aa_profile(const char *key, const char *value, |
942 | struct lxc_conf *lxc_conf) | |
e075f5d9 | 943 | { |
6d03d92a | 944 | return config_string_item(&lxc_conf->lsm_aa_profile, value); |
fe4de9a6 DE |
945 | } |
946 | ||
947 | static int config_lsm_se_context(const char *key, const char *value, | |
948 | struct lxc_conf *lxc_conf) | |
949 | { | |
6d03d92a | 950 | return config_string_item(&lxc_conf->lsm_se_context, value); |
e075f5d9 | 951 | } |
e075f5d9 | 952 | |
4a85ce2a SH |
953 | static int config_logfile(const char *key, const char *value, |
954 | struct lxc_conf *lxc_conf) | |
955 | { | |
6d03d92a DE |
956 | int ret; |
957 | ||
b40a606e SH |
958 | // store these values in the lxc_conf, and then try to set for |
959 | // actual current logging. | |
6d03d92a DE |
960 | ret = config_path_item(&lxc_conf->logfile, value); |
961 | if (ret == 0) | |
962 | ret = lxc_log_set_file(lxc_conf->logfile); | |
963 | return ret; | |
4a85ce2a SH |
964 | } |
965 | ||
966 | static int config_loglevel(const char *key, const char *value, | |
967 | struct lxc_conf *lxc_conf) | |
968 | { | |
9ea87d5d SH |
969 | int newlevel; |
970 | ||
4a85ce2a SH |
971 | if (!value || strlen(value) == 0) |
972 | return 0; | |
973 | ||
9ea87d5d SH |
974 | if (lxc_log_get_level() != LXC_LOG_PRIORITY_NOTSET) { |
975 | DEBUG("Log level already set - ignoring new value"); | |
976 | return 0; | |
977 | } | |
4a85ce2a | 978 | if (value[0] >= '0' && value[0] <= '9') |
9ea87d5d | 979 | newlevel = atoi(value); |
4a85ce2a | 980 | else |
9ea87d5d | 981 | newlevel = lxc_log_priority_to_int(value); |
b40a606e SH |
982 | // store these values in the lxc_conf, and then try to set for |
983 | // actual current logging. | |
984 | lxc_conf->loglevel = newlevel; | |
9ea87d5d | 985 | return lxc_log_set_level(newlevel); |
4a85ce2a SH |
986 | } |
987 | ||
12a50cc6 | 988 | static int config_autodev(const char *key, const char *value, |
c6883f38 SH |
989 | struct lxc_conf *lxc_conf) |
990 | { | |
991 | int v = atoi(value); | |
992 | ||
993 | lxc_conf->autodev = v; | |
994 | ||
995 | return 0; | |
996 | } | |
997 | ||
a84b9932 AV |
998 | static int sig_num(const char *sig) |
999 | { | |
1000 | int n; | |
1001 | char *endp = NULL; | |
1002 | ||
1003 | errno = 0; | |
1004 | n = strtol(sig, &endp, 10); | |
1005 | if (sig == endp || n < 0 || errno != 0) | |
1006 | return -1; | |
1007 | return n; | |
1008 | } | |
1009 | ||
1010 | static int rt_sig_num(const char *signame) | |
1011 | { | |
1012 | int sig_n = 0; | |
1013 | int rtmax = 0; | |
1014 | ||
1015 | if (strncasecmp(signame, "max-", 4) == 0) { | |
1016 | rtmax = 1; | |
1017 | } | |
1018 | signame += 4; | |
1019 | if (!isdigit(*signame)) | |
1020 | return -1; | |
1021 | sig_n = sig_num(signame); | |
1022 | sig_n = rtmax ? SIGRTMAX - sig_n : SIGRTMIN + sig_n; | |
1023 | if (sig_n > SIGRTMAX || sig_n < SIGRTMIN) | |
1024 | return -1; | |
1025 | return sig_n; | |
1026 | } | |
1027 | ||
1028 | static int sig_parse(const char *signame) { | |
1029 | int n; | |
1030 | ||
1031 | if (isdigit(*signame)) { | |
1032 | return sig_num(signame); | |
1033 | } else if (strncasecmp(signame, "sig", 3) == 0) { | |
1034 | signame += 3; | |
1035 | if (strncasecmp(signame, "rt", 2) == 0) | |
1036 | return rt_sig_num(signame + 2); | |
1037 | for (n = 0; n < sizeof(signames) / sizeof((signames)[0]); n++) { | |
1038 | if (strcasecmp (signames[n].name, signame) == 0) | |
1039 | return signames[n].num; | |
1040 | } | |
1041 | } | |
1042 | return -1; | |
1043 | } | |
1044 | ||
1045 | static int config_stopsignal(const char *key, const char *value, | |
1046 | struct lxc_conf *lxc_conf) | |
1047 | { | |
1048 | int sig_n = sig_parse(value); | |
1049 | ||
1050 | if (sig_n < 0) | |
1051 | return -1; | |
1052 | lxc_conf->stopsignal = sig_n; | |
1053 | ||
1054 | return 0; | |
1055 | } | |
1056 | ||
12a50cc6 DE |
1057 | static int config_cgroup(const char *key, const char *value, |
1058 | struct lxc_conf *lxc_conf) | |
576f946d | 1059 | { |
1060 | char *token = "lxc.cgroup."; | |
1061 | char *subkey; | |
bf83c5b9 MS |
1062 | struct lxc_list *cglist = NULL; |
1063 | struct lxc_cgroup *cgelem = NULL; | |
576f946d | 1064 | |
1065 | subkey = strstr(key, token); | |
1066 | ||
1067 | if (!subkey) | |
1068 | return -1; | |
1069 | ||
1070 | if (!strlen(subkey)) | |
1071 | return -1; | |
1072 | ||
1073 | if (strlen(subkey) == strlen(token)) | |
1074 | return -1; | |
a871ff6b | 1075 | |
576f946d | 1076 | subkey += strlen(token); |
1077 | ||
1078 | cglist = malloc(sizeof(*cglist)); | |
1079 | if (!cglist) | |
bf83c5b9 | 1080 | goto out; |
576f946d | 1081 | |
1082 | cgelem = malloc(sizeof(*cgelem)); | |
bf83c5b9 MS |
1083 | if (!cgelem) |
1084 | goto out; | |
1085 | memset(cgelem, 0, sizeof(*cgelem)); | |
576f946d | 1086 | |
1087 | cgelem->subsystem = strdup(subkey); | |
1088 | cgelem->value = strdup(value); | |
bf83c5b9 MS |
1089 | |
1090 | if (!cgelem->subsystem || !cgelem->value) | |
1091 | goto out; | |
1092 | ||
576f946d | 1093 | cglist->elem = cgelem; |
1094 | ||
94d12f0a | 1095 | lxc_list_add_tail(&lxc_conf->cgroup, cglist); |
576f946d | 1096 | |
1097 | return 0; | |
bf83c5b9 MS |
1098 | |
1099 | out: | |
1100 | if (cglist) | |
1101 | free(cglist); | |
1102 | ||
1103 | if (cgelem) { | |
1104 | if (cgelem->subsystem) | |
1105 | free(cgelem->subsystem); | |
1106 | ||
1107 | if (cgelem->value) | |
1108 | free(cgelem->value); | |
1109 | ||
1110 | free(cgelem); | |
1111 | } | |
1112 | ||
1113 | return -1; | |
576f946d | 1114 | } |
1115 | ||
f6d3e3e4 SH |
1116 | static int config_idmap(const char *key, const char *value, struct lxc_conf *lxc_conf) |
1117 | { | |
1118 | char *token = "lxc.id_map"; | |
1119 | char *subkey; | |
1120 | struct lxc_list *idmaplist = NULL; | |
1121 | struct id_map *idmap = NULL; | |
251d0d2a | 1122 | unsigned long hostid, nsid, range; |
f6d3e3e4 SH |
1123 | char type; |
1124 | int ret; | |
1125 | ||
1126 | subkey = strstr(key, token); | |
1127 | ||
1128 | if (!subkey) | |
1129 | return -1; | |
1130 | ||
1131 | if (!strlen(subkey)) | |
1132 | return -1; | |
1133 | ||
1134 | idmaplist = malloc(sizeof(*idmaplist)); | |
1135 | if (!idmaplist) | |
1136 | goto out; | |
1137 | ||
1138 | idmap = malloc(sizeof(*idmap)); | |
1139 | if (!idmap) | |
1140 | goto out; | |
1141 | memset(idmap, 0, sizeof(*idmap)); | |
1142 | ||
1143 | idmaplist->elem = idmap; | |
1144 | ||
1145 | lxc_list_add_tail(&lxc_conf->id_map, idmaplist); | |
1146 | ||
251d0d2a | 1147 | ret = sscanf(value, "%c %lu %lu %lu", &type, &nsid, &hostid, &range); |
f6d3e3e4 SH |
1148 | if (ret != 4) |
1149 | goto out; | |
251d0d2a | 1150 | INFO("read uid map: type %c nsid %lu hostid %lu range %lu", type, nsid, hostid, range); |
ac7725e7 | 1151 | if (type == 'u') |
f6d3e3e4 | 1152 | idmap->idtype = ID_TYPE_UID; |
ac7725e7 | 1153 | else if (type == 'g') |
f6d3e3e4 SH |
1154 | idmap->idtype = ID_TYPE_GID; |
1155 | else | |
1156 | goto out; | |
1157 | idmap->hostid = hostid; | |
1158 | idmap->nsid = nsid; | |
1159 | idmap->range = range; | |
1160 | ||
1161 | return 0; | |
1162 | ||
1163 | out: | |
1164 | if (idmaplist) | |
1165 | free(idmaplist); | |
1166 | ||
1167 | if (idmap) { | |
1168 | free(idmap); | |
1169 | } | |
1170 | ||
1171 | return -1; | |
1172 | } | |
1173 | ||
d95db067 DE |
1174 | static int config_fstab(const char *key, const char *value, |
1175 | struct lxc_conf *lxc_conf) | |
1176 | { | |
6d03d92a | 1177 | return config_path_item(&lxc_conf->fstab, value); |
d95db067 DE |
1178 | } |
1179 | ||
368bbc02 CS |
1180 | static int config_mount_auto(const char *key, const char *value, |
1181 | struct lxc_conf *lxc_conf) | |
1182 | { | |
1183 | char *autos, *autoptr, *sptr, *token; | |
b06b8511 CS |
1184 | static struct { const char *token; int mask; int flag; } allowed_auto_mounts[] = { |
1185 | { "proc", LXC_AUTO_PROC_MASK, LXC_AUTO_PROC_MIXED }, | |
1186 | { "proc:mixed", LXC_AUTO_PROC_MASK, LXC_AUTO_PROC_MIXED }, | |
1187 | { "proc:rw", LXC_AUTO_PROC_MASK, LXC_AUTO_PROC_RW }, | |
1188 | { "sys", LXC_AUTO_SYS_MASK, LXC_AUTO_SYS_RO }, | |
1189 | { "sys:ro", LXC_AUTO_SYS_MASK, LXC_AUTO_SYS_RO }, | |
1190 | { "sys:rw", LXC_AUTO_SYS_MASK, LXC_AUTO_SYS_RW }, | |
1191 | { "cgroup", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_MIXED }, | |
1192 | { "cgroup:mixed", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_MIXED }, | |
1193 | { "cgroup:ro", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_RO }, | |
1194 | { "cgroup:rw", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_RW }, | |
1195 | { "cgroup-full", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_FULL_MIXED }, | |
1196 | { "cgroup-full:mixed", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_FULL_MIXED }, | |
1197 | { "cgroup-full:ro", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_FULL_RO }, | |
1198 | { "cgroup-full:rw", LXC_AUTO_CGROUP_MASK, LXC_AUTO_CGROUP_FULL_RW }, | |
1199 | /* NB: For adding anything that ist just a single on/off, but has | |
1200 | * no options: keep mask and flag identical and just define the | |
1201 | * enum value as an unused bit so far | |
1202 | */ | |
368bbc02 CS |
1203 | { NULL, 0 } |
1204 | }; | |
1205 | int i; | |
1206 | int ret = -1; | |
1207 | ||
1208 | if (!strlen(value)) | |
1209 | return -1; | |
1210 | ||
1211 | autos = strdup(value); | |
1212 | if (!autos) { | |
1213 | SYSERROR("failed to dup '%s'", value); | |
1214 | return -1; | |
1215 | } | |
1216 | ||
1217 | for (autoptr = autos; ; autoptr = NULL) { | |
1218 | token = strtok_r(autoptr, " \t", &sptr); | |
1219 | if (!token) { | |
1220 | ret = 0; | |
1221 | break; | |
1222 | } | |
1223 | ||
1224 | for (i = 0; allowed_auto_mounts[i].token; i++) { | |
1225 | if (!strcmp(allowed_auto_mounts[i].token, token)) | |
1226 | break; | |
1227 | } | |
1228 | ||
1229 | if (!allowed_auto_mounts[i].token) { | |
1230 | ERROR("Invalid filesystem to automount: %s", token); | |
1231 | break; | |
1232 | } | |
1233 | ||
b06b8511 | 1234 | lxc_conf->auto_mounts &= ~allowed_auto_mounts[i].mask; |
368bbc02 CS |
1235 | lxc_conf->auto_mounts |= allowed_auto_mounts[i].flag; |
1236 | } | |
1237 | ||
1238 | free(autos); | |
1239 | ||
1240 | return ret; | |
1241 | } | |
1242 | ||
12a50cc6 DE |
1243 | static int config_mount(const char *key, const char *value, |
1244 | struct lxc_conf *lxc_conf) | |
e7938e9e MN |
1245 | { |
1246 | char *fstab_token = "lxc.mount"; | |
1247 | char *token = "lxc.mount.entry"; | |
368bbc02 | 1248 | char *auto_token = "lxc.mount.auto"; |
e7938e9e MN |
1249 | char *subkey; |
1250 | char *mntelem; | |
1251 | struct lxc_list *mntlist; | |
1252 | ||
1253 | subkey = strstr(key, token); | |
1254 | ||
1255 | if (!subkey) { | |
368bbc02 | 1256 | subkey = strstr(key, auto_token); |
e7938e9e | 1257 | |
368bbc02 CS |
1258 | if (!subkey) { |
1259 | subkey = strstr(key, fstab_token); | |
1260 | ||
1261 | if (!subkey) | |
1262 | return -1; | |
1263 | ||
1264 | return config_fstab(key, value, lxc_conf); | |
1265 | } | |
e7938e9e | 1266 | |
368bbc02 | 1267 | return config_mount_auto(key, value, lxc_conf); |
e7938e9e MN |
1268 | } |
1269 | ||
1270 | if (!strlen(subkey)) | |
1271 | return -1; | |
1272 | ||
1273 | mntlist = malloc(sizeof(*mntlist)); | |
1274 | if (!mntlist) | |
1275 | return -1; | |
1276 | ||
1277 | mntelem = strdup(value); | |
00b6be44 SH |
1278 | if (!mntelem) { |
1279 | free(mntlist); | |
bf83c5b9 | 1280 | return -1; |
00b6be44 | 1281 | } |
e7938e9e MN |
1282 | mntlist->elem = mntelem; |
1283 | ||
1284 | lxc_list_add_tail(&lxc_conf->mount_list, mntlist); | |
1285 | ||
1286 | return 0; | |
1287 | } | |
1288 | ||
1fb86a7c SH |
1289 | static int config_cap_keep(const char *key, const char *value, |
1290 | struct lxc_conf *lxc_conf) | |
1291 | { | |
1292 | char *keepcaps, *keepptr, *sptr, *token; | |
1293 | struct lxc_list *keeplist; | |
1294 | int ret = -1; | |
1295 | ||
1296 | if (!strlen(value)) | |
1297 | return -1; | |
1298 | ||
1299 | keepcaps = strdup(value); | |
1300 | if (!keepcaps) { | |
1301 | SYSERROR("failed to dup '%s'", value); | |
1302 | return -1; | |
1303 | } | |
1304 | ||
1305 | /* in case several capability keep is specified in a single line | |
1306 | * split these caps in a single element for the list */ | |
1307 | for (keepptr = keepcaps;;keepptr = NULL) { | |
1308 | token = strtok_r(keepptr, " \t", &sptr); | |
1309 | if (!token) { | |
1310 | ret = 0; | |
1311 | break; | |
1312 | } | |
1313 | ||
1314 | keeplist = malloc(sizeof(*keeplist)); | |
1315 | if (!keeplist) { | |
1316 | SYSERROR("failed to allocate keepcap list"); | |
1317 | break; | |
1318 | } | |
1319 | ||
1320 | keeplist->elem = strdup(token); | |
1321 | if (!keeplist->elem) { | |
1322 | SYSERROR("failed to dup '%s'", token); | |
1323 | free(keeplist); | |
1324 | break; | |
1325 | } | |
1326 | ||
1327 | lxc_list_add_tail(&lxc_conf->keepcaps, keeplist); | |
1328 | } | |
1329 | ||
1330 | free(keepcaps); | |
1331 | ||
1332 | return ret; | |
1333 | } | |
1334 | ||
12a50cc6 | 1335 | static int config_cap_drop(const char *key, const char *value, |
81810dd1 DL |
1336 | struct lxc_conf *lxc_conf) |
1337 | { | |
d95db067 | 1338 | char *dropcaps, *dropptr, *sptr, *token; |
81810dd1 DL |
1339 | struct lxc_list *droplist; |
1340 | int ret = -1; | |
1341 | ||
1342 | if (!strlen(value)) | |
1343 | return -1; | |
1344 | ||
1345 | dropcaps = strdup(value); | |
1346 | if (!dropcaps) { | |
1347 | SYSERROR("failed to dup '%s'", value); | |
1348 | return -1; | |
1349 | } | |
1350 | ||
1351 | /* in case several capability drop is specified in a single line | |
1352 | * split these caps in a single element for the list */ | |
d95db067 DE |
1353 | for (dropptr = dropcaps;;dropptr = NULL) { |
1354 | token = strtok_r(dropptr, " \t", &sptr); | |
81810dd1 DL |
1355 | if (!token) { |
1356 | ret = 0; | |
1357 | break; | |
1358 | } | |
81810dd1 DL |
1359 | |
1360 | droplist = malloc(sizeof(*droplist)); | |
1361 | if (!droplist) { | |
1362 | SYSERROR("failed to allocate drop list"); | |
1363 | break; | |
1364 | } | |
1365 | ||
1366 | droplist->elem = strdup(token); | |
1367 | if (!droplist->elem) { | |
1368 | SYSERROR("failed to dup '%s'", token); | |
1369 | free(droplist); | |
1370 | break; | |
1371 | } | |
1372 | ||
1373 | lxc_list_add_tail(&lxc_conf->caps, droplist); | |
1374 | } | |
1375 | ||
1376 | free(dropcaps); | |
1377 | ||
1378 | return ret; | |
1379 | } | |
1380 | ||
12a50cc6 | 1381 | static int config_console(const char *key, const char *value, |
28a4b0e5 DL |
1382 | struct lxc_conf *lxc_conf) |
1383 | { | |
6d03d92a | 1384 | return config_path_item(&lxc_conf->console.path, value); |
28a4b0e5 DL |
1385 | } |
1386 | ||
12a50cc6 | 1387 | static int config_includefile(const char *key, const char *value, |
09ad6246 SH |
1388 | struct lxc_conf *lxc_conf) |
1389 | { | |
1390 | return lxc_config_read(value, lxc_conf); | |
1391 | } | |
1392 | ||
12a50cc6 DE |
1393 | static int config_rootfs(const char *key, const char *value, |
1394 | struct lxc_conf *lxc_conf) | |
c2cc9f0a | 1395 | { |
6d03d92a | 1396 | return config_path_item(&lxc_conf->rootfs.path, value); |
c2cc9f0a | 1397 | } |
1398 | ||
12a50cc6 DE |
1399 | static int config_rootfs_mount(const char *key, const char *value, |
1400 | struct lxc_conf *lxc_conf) | |
23b7ea69 | 1401 | { |
6d03d92a | 1402 | return config_path_item(&lxc_conf->rootfs.mount, value); |
23b7ea69 DL |
1403 | } |
1404 | ||
12a50cc6 DE |
1405 | static int config_pivotdir(const char *key, const char *value, |
1406 | struct lxc_conf *lxc_conf) | |
bf601689 | 1407 | { |
6d03d92a | 1408 | return config_path_item(&lxc_conf->rootfs.pivot, value); |
bf601689 MH |
1409 | } |
1410 | ||
12a50cc6 DE |
1411 | static int config_utsname(const char *key, const char *value, |
1412 | struct lxc_conf *lxc_conf) | |
c2cc9f0a | 1413 | { |
1414 | struct utsname *utsname; | |
1415 | ||
1416 | utsname = malloc(sizeof(*utsname)); | |
1417 | if (!utsname) { | |
36eb9bde | 1418 | SYSERROR("failed to allocate memory"); |
c2cc9f0a | 1419 | return -1; |
1420 | } | |
1421 | ||
1422 | if (strlen(value) >= sizeof(utsname->nodename)) { | |
36eb9bde | 1423 | ERROR("node name '%s' is too long", |
c2cc9f0a | 1424 | utsname->nodename); |
b6f24d54 | 1425 | free(utsname); |
c2cc9f0a | 1426 | return -1; |
1427 | } | |
1428 | ||
1429 | strcpy(utsname->nodename, value); | |
d95db067 DE |
1430 | if (lxc_conf->utsname) |
1431 | free(lxc_conf->utsname); | |
c2cc9f0a | 1432 | lxc_conf->utsname = utsname; |
1433 | ||
1434 | return 0; | |
1435 | } | |
1436 | ||
7a7ff0c6 | 1437 | static int parse_line(char *buffer, void *data) |
c2cc9f0a | 1438 | { |
72d0e1cb | 1439 | struct lxc_config_t *config; |
81192358 | 1440 | char *line, *linep; |
c2cc9f0a | 1441 | char *dot; |
1442 | char *key; | |
1443 | char *value; | |
476d4cf1 | 1444 | int ret = 0; |
c2cc9f0a | 1445 | |
91480a0f | 1446 | if (lxc_is_line_empty(buffer)) |
c2cc9f0a | 1447 | return 0; |
1448 | ||
81192358 DL |
1449 | /* we have to dup the buffer otherwise, at the re-exec for |
1450 | * reboot we modified the original string on the stack by | |
1451 | * replacing '=' by '\0' below | |
91480a0f | 1452 | */ |
81192358 | 1453 | linep = line = strdup(buffer); |
91480a0f DL |
1454 | if (!line) { |
1455 | SYSERROR("failed to allocate memory for '%s'", buffer); | |
81192358 | 1456 | return -1; |
91480a0f DL |
1457 | } |
1458 | ||
b2718c72 | 1459 | line += lxc_char_left_gc(line, strlen(line)); |
476d4cf1 DL |
1460 | |
1461 | /* martian option - ignoring it, the commented lines beginning by '#' | |
1462 | * fall in this case | |
1463 | */ | |
1464 | if (strncmp(line, "lxc.", 4)) | |
91480a0f | 1465 | goto out; |
476d4cf1 DL |
1466 | |
1467 | ret = -1; | |
c2cc9f0a | 1468 | |
b2718c72 | 1469 | dot = strstr(line, "="); |
c2cc9f0a | 1470 | if (!dot) { |
36eb9bde | 1471 | ERROR("invalid configuration line: %s", line); |
91480a0f | 1472 | goto out; |
c2cc9f0a | 1473 | } |
a871ff6b | 1474 | |
c2cc9f0a | 1475 | *dot = '\0'; |
1476 | value = dot + 1; | |
1477 | ||
b2718c72 | 1478 | key = line; |
1479 | key[lxc_char_right_gc(key, strlen(key))] = '\0'; | |
c2cc9f0a | 1480 | |
b2718c72 | 1481 | value += lxc_char_left_gc(value, strlen(value)); |
1482 | value[lxc_char_right_gc(value, strlen(value))] = '\0'; | |
c2cc9f0a | 1483 | |
72d0e1cb | 1484 | config = lxc_getconfig(key); |
c2cc9f0a | 1485 | if (!config) { |
6e1d9b94 | 1486 | ERROR("unknown key %s", key); |
91480a0f | 1487 | goto out; |
c2cc9f0a | 1488 | } |
1489 | ||
91480a0f DL |
1490 | ret = config->cb(key, value, data); |
1491 | ||
1492 | out: | |
81192358 | 1493 | free(linep); |
91480a0f | 1494 | return ret; |
c2cc9f0a | 1495 | } |
1496 | ||
af5b0155 CLG |
1497 | int lxc_config_readline(char *buffer, struct lxc_conf *conf) |
1498 | { | |
1499 | return parse_line(buffer, conf); | |
1500 | } | |
1501 | ||
b2718c72 | 1502 | int lxc_config_read(const char *file, struct lxc_conf *conf) |
c2cc9f0a | 1503 | { |
f3ca99fd SH |
1504 | if( access(file, R_OK) == -1 ) { |
1505 | return -1; | |
1506 | } | |
f7bee6c6 MW |
1507 | /* Catch only the top level config file name in the structure */ |
1508 | if( ! conf->rcfile ) { | |
1509 | conf->rcfile = strdup( file ); | |
1510 | } | |
2382ecff | 1511 | return lxc_file_for_each_line(file, parse_line, conf); |
c2cc9f0a | 1512 | } |
62e46035 CLG |
1513 | |
1514 | int lxc_config_define_add(struct lxc_list *defines, char* arg) | |
1515 | { | |
1516 | struct lxc_list *dent; | |
1517 | ||
1518 | dent = malloc(sizeof(struct lxc_list)); | |
1519 | if (!dent) | |
1520 | return -1; | |
1521 | ||
1522 | dent->elem = arg; | |
1523 | lxc_list_add_tail(defines, dent); | |
1524 | return 0; | |
1525 | } | |
1526 | ||
226a18d6 | 1527 | int lxc_config_define_load(struct lxc_list *defines, struct lxc_conf *conf) |
62e46035 | 1528 | { |
9ebb03ad | 1529 | struct lxc_list *it,*next; |
62e46035 CLG |
1530 | int ret = 0; |
1531 | ||
1532 | lxc_list_for_each(it, defines) { | |
1533 | ret = lxc_config_readline(it->elem, conf); | |
1534 | if (ret) | |
1535 | break; | |
1536 | } | |
1537 | ||
9ebb03ad | 1538 | lxc_list_for_each_safe(it, defines, next) { |
62e46035 CLG |
1539 | lxc_list_del(it); |
1540 | free(it); | |
1541 | } | |
1542 | ||
1543 | return ret; | |
1544 | } | |
525f0002 CS |
1545 | |
1546 | signed long lxc_config_parse_arch(const char *arch) | |
1547 | { | |
6ff05e18 | 1548 | #if HAVE_SYS_PERSONALITY_H |
525f0002 CS |
1549 | struct per_name { |
1550 | char *name; | |
1551 | unsigned long per; | |
1552 | } pername[4] = { | |
1553 | { "x86", PER_LINUX32 }, | |
1554 | { "i686", PER_LINUX32 }, | |
1555 | { "x86_64", PER_LINUX }, | |
1556 | { "amd64", PER_LINUX }, | |
1557 | }; | |
1558 | size_t len = sizeof(pername) / sizeof(pername[0]); | |
1559 | ||
1560 | int i; | |
1561 | ||
1562 | for (i = 0; i < len; i++) { | |
1563 | if (!strcmp(pername[i].name, arch)) | |
1564 | return pername[i].per; | |
1565 | } | |
6ff05e18 | 1566 | #endif |
525f0002 CS |
1567 | |
1568 | return -1; | |
1569 | } | |
72d0e1cb SG |
1570 | |
1571 | static int lxc_get_conf_int(struct lxc_conf *c, char *retv, int inlen, int v) | |
1572 | { | |
1573 | if (!retv) | |
1574 | inlen = 0; | |
1575 | else | |
1576 | memset(retv, 0, inlen); | |
1577 | return snprintf(retv, inlen, "%d", v); | |
1578 | } | |
1579 | ||
1580 | static int lxc_get_arch_entry(struct lxc_conf *c, char *retv, int inlen) | |
1581 | { | |
6ff05e18 | 1582 | int fulllen = 0; |
72d0e1cb SG |
1583 | |
1584 | if (!retv) | |
1585 | inlen = 0; | |
1586 | else | |
1587 | memset(retv, 0, inlen); | |
1588 | ||
6ff05e18 SG |
1589 | #if HAVE_SYS_PERSONALITY_H |
1590 | int len = 0; | |
1591 | ||
72d0e1cb SG |
1592 | switch(c->personality) { |
1593 | case PER_LINUX32: strprint(retv, inlen, "x86"); break; | |
1594 | case PER_LINUX: strprint(retv, inlen, "x86_64"); break; | |
1595 | default: break; | |
1596 | } | |
6ff05e18 | 1597 | #endif |
72d0e1cb SG |
1598 | |
1599 | return fulllen; | |
1600 | } | |
1601 | ||
1602 | /* | |
1603 | * If you ask for a specific cgroup value, i.e. lxc.cgroup.devices.list, | |
1604 | * then just the value(s) will be printed. Since there still could be | |
1605 | * more than one, it is newline-separated. | |
1606 | * (Maybe that's ambigous, since some values, i.e. devices.list, will | |
1607 | * already have newlines?) | |
1608 | * If you ask for 'lxc.cgroup", then all cgroup entries will be printed, | |
1609 | * in 'lxc.cgroup.subsystem.key = value' format. | |
1610 | */ | |
12a50cc6 DE |
1611 | static int lxc_get_cgroup_entry(struct lxc_conf *c, char *retv, int inlen, |
1612 | const char *key) | |
72d0e1cb SG |
1613 | { |
1614 | int fulllen = 0, len; | |
1615 | int all = 0; | |
1616 | struct lxc_list *it; | |
1617 | ||
1618 | if (!retv) | |
1619 | inlen = 0; | |
1620 | else | |
1621 | memset(retv, 0, inlen); | |
1622 | ||
1623 | if (strcmp(key, "all") == 0) | |
1624 | all = 1; | |
1625 | ||
1626 | lxc_list_for_each(it, &c->cgroup) { | |
1627 | struct lxc_cgroup *cg = it->elem; | |
1628 | if (all) { | |
1629 | strprint(retv, inlen, "lxc.cgroup.%s = %s\n", cg->subsystem, cg->value); | |
1630 | } else if (strcmp(cg->subsystem, key) == 0) { | |
1631 | strprint(retv, inlen, "%s\n", cg->value); | |
1632 | } | |
1633 | } | |
1634 | return fulllen; | |
1635 | } | |
1636 | ||
12a50cc6 DE |
1637 | static int lxc_get_item_hooks(struct lxc_conf *c, char *retv, int inlen, |
1638 | const char *key) | |
72d0e1cb SG |
1639 | { |
1640 | char *subkey; | |
1641 | int len, fulllen = 0, found = -1; | |
1642 | struct lxc_list *it; | |
1643 | int i; | |
1644 | ||
1645 | /* "lxc.hook.mount" */ | |
1646 | subkey = index(key, '.'); | |
1647 | if (subkey) subkey = index(subkey+1, '.'); | |
1648 | if (!subkey) | |
1649 | return -1; | |
1650 | subkey++; | |
1651 | if (!*subkey) | |
1652 | return -1; | |
1653 | for (i=0; i<NUM_LXC_HOOKS; i++) { | |
1654 | if (strcmp(lxchook_names[i], subkey) == 0) { | |
1655 | found=i; | |
1656 | break; | |
1657 | } | |
1658 | } | |
1659 | if (found == -1) | |
1660 | return -1; | |
1661 | ||
1662 | if (!retv) | |
1663 | inlen = 0; | |
1664 | else | |
1665 | memset(retv, 0, inlen); | |
1666 | ||
1667 | lxc_list_for_each(it, &c->hooks[found]) { | |
1668 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
1669 | } | |
1670 | return fulllen; | |
1671 | } | |
1672 | ||
1673 | static int lxc_get_item_cap_drop(struct lxc_conf *c, char *retv, int inlen) | |
1674 | { | |
1675 | int len, fulllen = 0; | |
1676 | struct lxc_list *it; | |
1677 | ||
1678 | if (!retv) | |
1679 | inlen = 0; | |
1680 | else | |
1681 | memset(retv, 0, inlen); | |
1682 | ||
1683 | lxc_list_for_each(it, &c->caps) { | |
1684 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
1685 | } | |
1686 | return fulllen; | |
1687 | } | |
1688 | ||
1fb86a7c SH |
1689 | static int lxc_get_item_cap_keep(struct lxc_conf *c, char *retv, int inlen) |
1690 | { | |
1691 | int len, fulllen = 0; | |
1692 | struct lxc_list *it; | |
1693 | ||
1694 | if (!retv) | |
1695 | inlen = 0; | |
1696 | else | |
1697 | memset(retv, 0, inlen); | |
1698 | ||
1699 | lxc_list_for_each(it, &c->keepcaps) { | |
1700 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
1701 | } | |
1702 | return fulllen; | |
1703 | } | |
1704 | ||
72d0e1cb SG |
1705 | static int lxc_get_mount_entries(struct lxc_conf *c, char *retv, int inlen) |
1706 | { | |
1707 | int len, fulllen = 0; | |
1708 | struct lxc_list *it; | |
1709 | ||
1710 | if (!retv) | |
1711 | inlen = 0; | |
1712 | else | |
1713 | memset(retv, 0, inlen); | |
1714 | ||
1715 | lxc_list_for_each(it, &c->mount_list) { | |
1716 | strprint(retv, inlen, "%s\n", (char *)it->elem); | |
1717 | } | |
1718 | return fulllen; | |
1719 | } | |
1720 | ||
1721 | /* | |
1722 | * lxc.network.0.XXX, where XXX can be: name, type, link, flags, type, | |
1723 | * macvlan.mode, veth.pair, vlan, ipv4, ipv6, upscript, hwaddr, mtu, | |
1724 | * ipv4_gateway, ipv6_gateway. ipvX_gateway can return 'auto' instead | |
1725 | * of an address. ipv4 and ipv6 return lists (newline-separated). | |
1726 | * things like veth.pair return '' if invalid (i.e. if called for vlan | |
1727 | * type). | |
1728 | */ | |
12a50cc6 DE |
1729 | static int lxc_get_item_nic(struct lxc_conf *c, char *retv, int inlen, |
1730 | const char *key) | |
72d0e1cb SG |
1731 | { |
1732 | char *p1; | |
fe88b9d2 | 1733 | int len, fulllen = 0; |
72d0e1cb SG |
1734 | struct lxc_netdev *netdev; |
1735 | ||
1736 | if (!retv) | |
1737 | inlen = 0; | |
1738 | else | |
1739 | memset(retv, 0, inlen); | |
1740 | ||
1741 | p1 = index(key, '.'); | |
1742 | if (!p1 || *(p1+1) == '\0') return -1; | |
1743 | p1++; | |
1744 | ||
1745 | netdev = get_netdev_from_key(key, &c->network); | |
1746 | if (!netdev) | |
1747 | return -1; | |
1748 | if (strcmp(p1, "name") == 0) { | |
1749 | if (netdev->name) | |
1750 | strprint(retv, inlen, "%s", netdev->name); | |
1751 | } else if (strcmp(p1, "type") == 0) { | |
1752 | strprint(retv, inlen, "%s", lxc_net_type_to_str(netdev->type)); | |
1753 | } else if (strcmp(p1, "link") == 0) { | |
1754 | if (netdev->link) | |
1755 | strprint(retv, inlen, "%s", netdev->link); | |
1756 | } else if (strcmp(p1, "flags") == 0) { | |
1757 | if (netdev->flags & IFF_UP) | |
1758 | strprint(retv, inlen, "up"); | |
1759 | } else if (strcmp(p1, "upscript") == 0) { | |
1760 | if (netdev->upscript) | |
1761 | strprint(retv, inlen, "%s", netdev->upscript); | |
1762 | } else if (strcmp(p1, "hwaddr") == 0) { | |
1763 | if (netdev->hwaddr) | |
1764 | strprint(retv, inlen, "%s", netdev->hwaddr); | |
1765 | } else if (strcmp(p1, "mtu") == 0) { | |
1766 | if (netdev->mtu) | |
1767 | strprint(retv, inlen, "%s", netdev->mtu); | |
1768 | } else if (strcmp(p1, "macvlan.mode") == 0) { | |
1769 | if (netdev->type == LXC_NET_MACVLAN) { | |
1770 | const char *mode; | |
1771 | switch (netdev->priv.macvlan_attr.mode) { | |
1772 | case MACVLAN_MODE_PRIVATE: mode = "private"; break; | |
1773 | case MACVLAN_MODE_VEPA: mode = "vepa"; break; | |
1774 | case MACVLAN_MODE_BRIDGE: mode = "bridge"; break; | |
1775 | default: mode = "(invalid)"; break; | |
1776 | } | |
1777 | strprint(retv, inlen, "%s", mode); | |
1778 | } | |
1779 | } else if (strcmp(p1, "veth.pair") == 0) { | |
11029c02 DE |
1780 | if (netdev->type == LXC_NET_VETH) { |
1781 | strprint(retv, inlen, "%s", | |
1782 | netdev->priv.veth_attr.pair ? | |
1783 | netdev->priv.veth_attr.pair : | |
1784 | netdev->priv.veth_attr.veth1); | |
1785 | } | |
72d0e1cb SG |
1786 | } else if (strcmp(p1, "vlan") == 0) { |
1787 | if (netdev->type == LXC_NET_VLAN) { | |
1788 | strprint(retv, inlen, "%d", netdev->priv.vlan_attr.vid); | |
1789 | } | |
1790 | } else if (strcmp(p1, "ipv4_gateway") == 0) { | |
1791 | if (netdev->ipv4_gateway_auto) { | |
1792 | strprint(retv, inlen, "auto"); | |
1793 | } else if (netdev->ipv4_gateway) { | |
1794 | char buf[INET_ADDRSTRLEN]; | |
1795 | inet_ntop(AF_INET, netdev->ipv4_gateway, buf, sizeof(buf)); | |
1796 | strprint(retv, inlen, "%s", buf); | |
1797 | } | |
1798 | } else if (strcmp(p1, "ipv4") == 0) { | |
1799 | struct lxc_list *it2; | |
1800 | lxc_list_for_each(it2, &netdev->ipv4) { | |
1801 | struct lxc_inetdev *i = it2->elem; | |
1802 | char buf[INET_ADDRSTRLEN]; | |
1803 | inet_ntop(AF_INET, &i->addr, buf, sizeof(buf)); | |
1804 | strprint(retv, inlen, "%s\n", buf); | |
1805 | } | |
1806 | } else if (strcmp(p1, "ipv6_gateway") == 0) { | |
1807 | if (netdev->ipv6_gateway_auto) { | |
1808 | strprint(retv, inlen, "auto"); | |
1809 | } else if (netdev->ipv6_gateway) { | |
1810 | char buf[INET_ADDRSTRLEN]; | |
1811 | inet_ntop(AF_INET, netdev->ipv6_gateway, buf, sizeof(buf)); | |
1812 | strprint(retv, inlen, "%s", buf); | |
1813 | } | |
1814 | } else if (strcmp(p1, "ipv6") == 0) { | |
1815 | struct lxc_list *it2; | |
1816 | lxc_list_for_each(it2, &netdev->ipv6) { | |
1817 | struct lxc_inetdev *i = it2->elem; | |
1818 | char buf[INET_ADDRSTRLEN]; | |
1819 | inet_ntop(AF_INET6, &i->addr, buf, sizeof(buf)); | |
1820 | strprint(retv, inlen, "%s\n", buf); | |
1821 | } | |
1822 | } | |
1823 | return fulllen; | |
1824 | } | |
1825 | ||
1826 | static int lxc_get_item_network(struct lxc_conf *c, char *retv, int inlen) | |
1827 | { | |
1828 | int len, fulllen = 0; | |
1829 | struct lxc_list *it; | |
1830 | ||
1831 | if (!retv) | |
1832 | inlen = 0; | |
1833 | else | |
1834 | memset(retv, 0, inlen); | |
1835 | ||
1836 | lxc_list_for_each(it, &c->network) { | |
1837 | struct lxc_netdev *n = it->elem; | |
1838 | const char *t = lxc_net_type_to_str(n->type); | |
1839 | strprint(retv, inlen, "%s\n", t ? t : "(invalid)"); | |
1840 | } | |
1841 | return fulllen; | |
1842 | } | |
1843 | ||
12a50cc6 DE |
1844 | int lxc_get_config_item(struct lxc_conf *c, const char *key, char *retv, |
1845 | int inlen) | |
72d0e1cb | 1846 | { |
4a85ce2a | 1847 | const char *v = NULL; |
72d0e1cb SG |
1848 | |
1849 | if (strcmp(key, "lxc.mount.entry") == 0) | |
1850 | return lxc_get_mount_entries(c, retv, inlen); | |
1851 | else if (strcmp(key, "lxc.mount") == 0) | |
1852 | v = c->fstab; | |
1853 | else if (strcmp(key, "lxc.tty") == 0) | |
1854 | return lxc_get_conf_int(c, retv, inlen, c->tty); | |
1855 | else if (strcmp(key, "lxc.pts") == 0) | |
1856 | return lxc_get_conf_int(c, retv, inlen, c->pts); | |
1857 | else if (strcmp(key, "lxc.devttydir") == 0) | |
1858 | v = c->ttydir; | |
1859 | else if (strcmp(key, "lxc.arch") == 0) | |
1860 | return lxc_get_arch_entry(c, retv, inlen); | |
1861 | else if (strcmp(key, "lxc.aa_profile") == 0) | |
fe4de9a6 DE |
1862 | v = c->lsm_aa_profile; |
1863 | else if (strcmp(key, "lxc.se_context") == 0) | |
1864 | v = c->lsm_se_context; | |
4a85ce2a | 1865 | else if (strcmp(key, "lxc.logfile") == 0) |
9ea87d5d | 1866 | v = lxc_log_get_file(); |
4a85ce2a | 1867 | else if (strcmp(key, "lxc.loglevel") == 0) |
9ea87d5d | 1868 | v = lxc_log_priority_to_string(lxc_log_get_level()); |
72d0e1cb SG |
1869 | else if (strcmp(key, "lxc.cgroup") == 0) // all cgroup info |
1870 | return lxc_get_cgroup_entry(c, retv, inlen, "all"); | |
1871 | else if (strncmp(key, "lxc.cgroup.", 11) == 0) // specific cgroup info | |
1872 | return lxc_get_cgroup_entry(c, retv, inlen, key + 11); | |
1873 | else if (strcmp(key, "lxc.utsname") == 0) | |
64fca455 | 1874 | v = c->utsname ? c->utsname->nodename : NULL; |
72d0e1cb SG |
1875 | else if (strcmp(key, "lxc.console") == 0) |
1876 | v = c->console.path; | |
1877 | else if (strcmp(key, "lxc.rootfs.mount") == 0) | |
1878 | v = c->rootfs.mount; | |
1879 | else if (strcmp(key, "lxc.rootfs") == 0) | |
1880 | v = c->rootfs.path; | |
1881 | else if (strcmp(key, "lxc.pivotdir") == 0) | |
1882 | v = c->rootfs.pivot; | |
1883 | else if (strcmp(key, "lxc.cap.drop") == 0) | |
1884 | return lxc_get_item_cap_drop(c, retv, inlen); | |
1fb86a7c SH |
1885 | else if (strcmp(key, "lxc.cap.keep") == 0) |
1886 | return lxc_get_item_cap_keep(c, retv, inlen); | |
72d0e1cb SG |
1887 | else if (strncmp(key, "lxc.hook", 8) == 0) |
1888 | return lxc_get_item_hooks(c, retv, inlen, key); | |
1889 | else if (strcmp(key, "lxc.network") == 0) | |
1890 | return lxc_get_item_network(c, retv, inlen); | |
1891 | else if (strncmp(key, "lxc.network.", 12) == 0) | |
1892 | return lxc_get_item_nic(c, retv, inlen, key + 12); | |
1893 | else return -1; | |
1894 | ||
1895 | if (!v) | |
1896 | return 0; | |
1897 | if (retv && inlen >= strlen(v) + 1) | |
1898 | strncpy(retv, v, strlen(v)+1); | |
1899 | return strlen(v); | |
1900 | } | |
1901 | ||
12a50cc6 | 1902 | int lxc_clear_config_item(struct lxc_conf *c, const char *key) |
72d0e1cb SG |
1903 | { |
1904 | if (strcmp(key, "lxc.network") == 0) | |
1905 | return lxc_clear_config_network(c); | |
1906 | else if (strncmp(key, "lxc.network.", 12) == 0) | |
1907 | return lxc_clear_nic(c, key + 12); | |
1908 | else if (strcmp(key, "lxc.cap.drop") == 0) | |
1909 | return lxc_clear_config_caps(c); | |
1fb86a7c SH |
1910 | else if (strcmp(key, "lxc.cap.keep") == 0) |
1911 | return lxc_clear_config_keepcaps(c); | |
72d0e1cb SG |
1912 | else if (strncmp(key, "lxc.cgroup", 10) == 0) |
1913 | return lxc_clear_cgroups(c, key); | |
1914 | else if (strcmp(key, "lxc.mount.entries") == 0) | |
1915 | return lxc_clear_mount_entries(c); | |
17ed13a3 SH |
1916 | else if (strncmp(key, "lxc.hook", 8) == 0) |
1917 | return lxc_clear_hooks(c, key); | |
72d0e1cb SG |
1918 | |
1919 | return -1; | |
1920 | } | |
1921 | ||
1922 | /* | |
1923 | * writing out a confile. | |
1924 | */ | |
1925 | void write_config(FILE *fout, struct lxc_conf *c) | |
1926 | { | |
1927 | struct lxc_list *it; | |
1928 | int i; | |
1929 | ||
1930 | if (c->fstab) | |
1931 | fprintf(fout, "lxc.mount = %s\n", c->fstab); | |
1932 | lxc_list_for_each(it, &c->mount_list) { | |
1933 | fprintf(fout, "lxc.mount.entry = %s\n", (char *)it->elem); | |
1934 | } | |
5f62730e CS |
1935 | if (c->auto_mounts & LXC_AUTO_ALL_MASK) { |
1936 | fprintf(fout, "lxc.mount.auto ="); | |
1937 | switch (c->auto_mounts & LXC_AUTO_PROC_MASK) { | |
1938 | case LXC_AUTO_PROC_MIXED: fprintf(fout, " proc:mixed"); break; | |
1939 | case LXC_AUTO_PROC_RW: fprintf(fout, " proc:rw"); break; | |
1940 | default: break; | |
1941 | } | |
1942 | switch (c->auto_mounts & LXC_AUTO_SYS_MASK) { | |
1943 | case LXC_AUTO_SYS_RO: fprintf(fout, " sys:ro"); break; | |
1944 | case LXC_AUTO_SYS_RW: fprintf(fout, " sys:rw"); break; | |
1945 | default: break; | |
1946 | } | |
1947 | switch (c->auto_mounts & LXC_AUTO_CGROUP_MASK) { | |
1948 | case LXC_AUTO_CGROUP_MIXED: fprintf(fout, " cgroup:mixed"); break; | |
1949 | case LXC_AUTO_CGROUP_RO: fprintf(fout, " cgroup:ro"); break; | |
1950 | case LXC_AUTO_CGROUP_RW: fprintf(fout, " cgroup:rw"); break; | |
1951 | case LXC_AUTO_CGROUP_FULL_MIXED: fprintf(fout, " cgroup-full:mixed"); break; | |
1952 | case LXC_AUTO_CGROUP_FULL_RO: fprintf(fout, " cgroup-full:ro"); break; | |
1953 | case LXC_AUTO_CGROUP_FULL_RW: fprintf(fout, " cgroup-full:rw"); break; | |
1954 | default: break; | |
1955 | } | |
1956 | fprintf(fout, "\n"); | |
1957 | } | |
72d0e1cb SG |
1958 | if (c->tty) |
1959 | fprintf(fout, "lxc.tty = %d\n", c->tty); | |
1960 | if (c->pts) | |
1961 | fprintf(fout, "lxc.pts = %d\n", c->pts); | |
1962 | if (c->ttydir) | |
1963 | fprintf(fout, "lxc.devttydir = %s\n", c->ttydir); | |
6ff05e18 | 1964 | #if HAVE_SYS_PERSONALITY_H |
72d0e1cb SG |
1965 | switch(c->personality) { |
1966 | case PER_LINUX32: fprintf(fout, "lxc.arch = x86\n"); break; | |
1967 | case PER_LINUX: fprintf(fout, "lxc.arch = x86_64\n"); break; | |
1968 | default: break; | |
1969 | } | |
6ff05e18 | 1970 | #endif |
fe4de9a6 DE |
1971 | if (c->lsm_aa_profile) |
1972 | fprintf(fout, "lxc.aa_profile = %s\n", c->lsm_aa_profile); | |
1973 | if (c->lsm_se_context) | |
1974 | fprintf(fout, "lxc.se_context = %s\n", c->lsm_se_context); | |
b40a606e SH |
1975 | if (c->loglevel != LXC_LOG_PRIORITY_NOTSET) |
1976 | fprintf(fout, "lxc.loglevel = %s\n", lxc_log_priority_to_string(c->loglevel)); | |
1977 | if (c->logfile) | |
1978 | fprintf(fout, "lxc.logfile = %s\n", c->logfile); | |
72d0e1cb SG |
1979 | lxc_list_for_each(it, &c->cgroup) { |
1980 | struct lxc_cgroup *cg = it->elem; | |
1981 | fprintf(fout, "lxc.cgroup.%s = %s\n", cg->subsystem, cg->value); | |
1982 | } | |
1983 | if (c->utsname) | |
1984 | fprintf(fout, "lxc.utsname = %s\n", c->utsname->nodename); | |
1985 | lxc_list_for_each(it, &c->network) { | |
1986 | struct lxc_netdev *n = it->elem; | |
1987 | const char *t = lxc_net_type_to_str(n->type); | |
1988 | struct lxc_list *it2; | |
1989 | fprintf(fout, "lxc.network.type = %s\n", t ? t : "(invalid)"); | |
1990 | if (n->flags & IFF_UP) | |
1991 | fprintf(fout, "lxc.network.flags = up\n"); | |
1992 | if (n->link) | |
1993 | fprintf(fout, "lxc.network.link = %s\n", n->link); | |
1994 | if (n->name) | |
1995 | fprintf(fout, "lxc.network.name = %s\n", n->name); | |
1996 | if (n->type == LXC_NET_MACVLAN) { | |
1997 | const char *mode; | |
1998 | switch (n->priv.macvlan_attr.mode) { | |
1999 | case MACVLAN_MODE_PRIVATE: mode = "private"; break; | |
2000 | case MACVLAN_MODE_VEPA: mode = "vepa"; break; | |
2001 | case MACVLAN_MODE_BRIDGE: mode = "bridge"; break; | |
2002 | default: mode = "(invalid)"; break; | |
2003 | } | |
2004 | fprintf(fout, "lxc.network.macvlan.mode = %s\n", mode); | |
2005 | } else if (n->type == LXC_NET_VETH) { | |
2006 | if (n->priv.veth_attr.pair) | |
2007 | fprintf(fout, "lxc.network.veth.pair = %s\n", | |
2008 | n->priv.veth_attr.pair); | |
2009 | } else if (n->type == LXC_NET_VLAN) { | |
2010 | fprintf(fout, "lxc.network.vlan.id = %d\n", n->priv.vlan_attr.vid); | |
2011 | } | |
2012 | if (n->upscript) | |
2013 | fprintf(fout, "lxc.network.script.up = %s\n", n->upscript); | |
2014 | if (n->hwaddr) | |
2015 | fprintf(fout, "lxc.network.hwaddr = %s\n", n->hwaddr); | |
2016 | if (n->mtu) | |
2017 | fprintf(fout, "lxc.network.mtu = %s\n", n->mtu); | |
2018 | if (n->ipv4_gateway_auto) | |
2019 | fprintf(fout, "lxc.network.ipv4.gateway = auto\n"); | |
2020 | else if (n->ipv4_gateway) { | |
2021 | char buf[INET_ADDRSTRLEN]; | |
2022 | inet_ntop(AF_INET, n->ipv4_gateway, buf, sizeof(buf)); | |
2023 | fprintf(fout, "lxc.network.ipv4.gateway = %s\n", buf); | |
2024 | } | |
2025 | lxc_list_for_each(it2, &n->ipv4) { | |
2026 | struct lxc_inetdev *i = it2->elem; | |
2027 | char buf[INET_ADDRSTRLEN]; | |
2028 | inet_ntop(AF_INET, &i->addr, buf, sizeof(buf)); | |
2029 | fprintf(fout, "lxc.network.ipv4 = %s\n", buf); | |
2030 | } | |
2031 | if (n->ipv6_gateway_auto) | |
2032 | fprintf(fout, "lxc.network.ipv6.gateway = auto\n"); | |
2033 | else if (n->ipv6_gateway) { | |
2034 | char buf[INET6_ADDRSTRLEN]; | |
2035 | inet_ntop(AF_INET6, n->ipv6_gateway, buf, sizeof(buf)); | |
2036 | fprintf(fout, "lxc.network.ipv6.gateway = %s\n", buf); | |
2037 | } | |
2038 | lxc_list_for_each(it2, &n->ipv6) { | |
2039 | struct lxc_inet6dev *i = it2->elem; | |
2040 | char buf[INET6_ADDRSTRLEN]; | |
2041 | inet_ntop(AF_INET, &i->addr, buf, sizeof(buf)); | |
2042 | fprintf(fout, "lxc.network.ipv6 = %s\n", buf); | |
2043 | } | |
2044 | } | |
2045 | lxc_list_for_each(it, &c->caps) | |
2046 | fprintf(fout, "lxc.cap.drop = %s\n", (char *)it->elem); | |
1fb86a7c SH |
2047 | lxc_list_for_each(it, &c->keepcaps) |
2048 | fprintf(fout, "lxc.cap.keep = %s\n", (char *)it->elem); | |
27c27d73 SH |
2049 | lxc_list_for_each(it, &c->id_map) { |
2050 | struct id_map *idmap = it->elem; | |
2051 | fprintf(fout, "lxc.id_map = %c %lu %lu %lu\n", | |
2052 | idmap->idtype == ID_TYPE_UID ? 'u' : 'g', idmap->nsid, | |
2053 | idmap->hostid, idmap->range); | |
2054 | } | |
72d0e1cb SG |
2055 | for (i=0; i<NUM_LXC_HOOKS; i++) { |
2056 | lxc_list_for_each(it, &c->hooks[i]) | |
2057 | fprintf(fout, "lxc.hook.%s = %s\n", | |
2058 | lxchook_names[i], (char *)it->elem); | |
2059 | } | |
2060 | if (c->console.path) | |
2061 | fprintf(fout, "lxc.console = %s\n", c->console.path); | |
2062 | if (c->rootfs.path) | |
2063 | fprintf(fout, "lxc.rootfs = %s\n", c->rootfs.path); | |
2064 | if (c->rootfs.mount && strcmp(c->rootfs.mount, LXCROOTFSMOUNT) != 0) | |
2065 | fprintf(fout, "lxc.rootfs.mount = %s\n", c->rootfs.mount); | |
2066 | if (c->rootfs.pivot) | |
2067 | fprintf(fout, "lxc.pivotdir = %s\n", c->rootfs.pivot); | |
2068 | } |