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confile: remove lxc.kmsg

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2017-06-23 15:38:02 +02:00
parent 953fe44f7c
commit 26a38fb6aa
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GPG Key ID: 7B3C391EFEA93624
5 changed files with 0 additions and 99 deletions
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19
doc/lxc.container.conf.sgml.in
View File

@ -791,25 +791,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
</variablelist>
</refsect2>
<refsect2>
<title>Enable kmsg symlink</title>
<para>
Enable creating /dev/kmsg as symlink to /dev/console. This defaults to 0.
</para>
<variablelist>
<varlistentry>
<term>
<option>lxc.kmsg</option>
</term>
<listitem>
<para>
Set this to 1 to enable /dev/kmsg symlinking.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect2>
<refsect2>
<title>Mount points</title>
<para>

33
src/lxc/conf.c
View File

@ -1632,33 +1632,6 @@ static int lxc_setup_console(const struct lxc_rootfs *rootfs,
return lxc_setup_ttydir_console(rootfs, console, ttydir);
}
static int setup_kmsg(const struct lxc_rootfs *rootfs,
const struct lxc_console *console)
{
char kpath[MAXPATHLEN];
int ret;
if (!rootfs->path)
return 0;
ret = snprintf(kpath, sizeof(kpath), "%s/dev/kmsg", rootfs->mount);
if (ret < 0 || ret >= sizeof(kpath))
return -1;
ret = unlink(kpath);
if (ret && errno != ENOENT) {
SYSERROR("error unlinking %s", kpath);
return -1;
}
ret = symlink("console", kpath);
if (ret) {
SYSERROR("failed to create symlink for kmsg");
return -1;
}
return 0;
}
static void parse_mntopt(char *opt, unsigned long *flags, char **data)
{
struct mount_opt *mo;
@ -2667,7 +2640,6 @@ struct lxc_conf *lxc_conf_init(void)
free(new);
return NULL;
}
new->kmsg = 0;
new->logfd = -1;
lxc_list_init(&new->cgroup);
lxc_list_init(&new->network);
@ -4206,11 +4178,6 @@ int lxc_setup(struct lxc_handler *handler)
return -1;
}
if (lxc_conf->kmsg) {
if (setup_kmsg(&lxc_conf->rootfs, &lxc_conf->console)) // don't fail
ERROR("failed to setup kmsg for '%s'", name);
}
if (!lxc_conf->is_execute && setup_dev_symlinks(&lxc_conf->rootfs)) {
ERROR("failed to setup /dev symlinks for '%s'", name);
return -1;

1
src/lxc/conf.h
View File

@ -351,7 +351,6 @@ struct lxc_conf {
int haltsignal; // signal used to halt container
int rebootsignal; // signal used to reboot container
int stopsignal; // signal used to hard stop container
unsigned int kmsg; // if 1, create /dev/kmsg symlink
char *rcfile; // Copy of the top level rcfile we read
// Logfile and logleve can be set in a container config file.

39
src/lxc/confile.c
View File

@ -87,12 +87,6 @@ static int get_config_ttydir(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_ttydir(const char *, struct lxc_conf *, void *);
static int set_config_kmsg(const char *, const char *, struct lxc_conf *,
void *);
static int get_config_kmsg(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_kmsg(const char *, struct lxc_conf *, void *);
static int set_config_apparmor_profile(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_apparmor_profile(const char *, char *, int,
@ -428,7 +422,6 @@ static struct lxc_config_t config[] = {
{ "lxc.pts", set_config_pts, get_config_pts, clr_config_pts, },
{ "lxc.tty", set_config_tty, get_config_tty, clr_config_tty, },
{ "lxc.devttydir", set_config_ttydir, get_config_ttydir, clr_config_ttydir, },
{ "lxc.kmsg", set_config_kmsg, get_config_kmsg, clr_config_kmsg, },
{ "lxc.apparmor.profile", set_config_apparmor_profile, get_config_apparmor_profile, clr_config_apparmor_profile, },
{ "lxc.apparmor.allow_incomplete", set_config_apparmor_allow_incomplete, get_config_apparmor_allow_incomplete, clr_config_apparmor_allow_incomplete, },
{ "lxc.selinux.context", set_config_selinux_context, get_config_selinux_context, clr_config_selinux_context, },
@ -1575,25 +1568,6 @@ static int set_config_ttydir(const char *key, const char *value,
NAME_MAX + 1);
}
static int set_config_kmsg(const char *key, const char *value,
struct lxc_conf *lxc_conf, void *data)
{
/* Set config value to default. */
if (lxc_config_value_empty(value)) {
lxc_conf->kmsg = 0;
return 0;
}
/* Parse new config value. */
if (lxc_safe_uint(value, &lxc_conf->kmsg) < 0)
return -1;
if (lxc_conf->kmsg > 1)
return -1;
return 0;
}
static int set_config_apparmor_profile(const char *key, const char *value,
struct lxc_conf *lxc_conf, void *data)
{
@ -3106,12 +3080,6 @@ static int get_config_ttydir(const char *key, char *retv, int inlen,
return lxc_get_conf_str(retv, inlen, c->ttydir);
}
static int get_config_kmsg(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
return lxc_get_conf_int(c, retv, inlen, c->kmsg);
}
static int get_config_apparmor_profile(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
@ -3694,13 +3662,6 @@ static inline int clr_config_ttydir(const char *key, struct lxc_conf *c,
return 0;
}
static inline int clr_config_kmsg(const char *key, struct lxc_conf *c,
void *data)
{
c->kmsg = 0;
return 0;
}
static inline int clr_config_apparmor_profile(const char *key,
struct lxc_conf *c, void *data)
{

7
src/tests/parse_config_file.c
View File

@ -321,13 +321,6 @@ int main(int argc, char *argv[])
goto non_test_error;
}
/* lxc.kmsg */
if (set_get_compare_clear_save_load(c, "lxc.kmsg", "1", tmpf, true) <
0) {
lxc_error("%s\n", "lxc.kmsg");
goto non_test_error;
}
/* REMOVE IN LXC 3.0
legacy security keys
*/