confile: add getter for lxc.mount

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 0f4aae851ca38ab2fcaed6f91bf7a498c33c1533..1616190b8838802007bba5a9edac8393d987fc43 100644 (file)
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -101,8 +101,12 @@ static int set_config_logfile(const char *, const char *, struct lxc_conf *);
 static int get_config_logfile(struct lxc_container *, const char *, char *, int);
 
 static int set_config_mount(const char *, const char *, struct lxc_conf *);
+
 static int set_config_mount_auto(const char *, const char *, struct lxc_conf *);
+
 static int set_config_fstab(const char *, const char *, struct lxc_conf *);
+static int get_config_fstab(struct lxc_container *, const char *, char *, int);
+
 static int set_config_rootfs(const char *, const char *, struct lxc_conf *);
 static int set_config_rootfs_mount(const char *, const char *, struct lxc_conf *);
 static int set_config_rootfs_options(const char *, const char *, struct lxc_conf *);
@@ -164,7 +168,7 @@ static struct lxc_config_t config[] = {
        { "lxc.logfile",              set_config_logfile,              get_config_logfile,           NULL},
        { "lxc.mount.entry",          set_config_mount,                 NULL, NULL},
        { "lxc.mount.auto",           set_config_mount_auto,            NULL, NULL},
-       { "lxc.mount",                set_config_fstab,                 NULL, NULL},
+       { "lxc.mount",                set_config_fstab,                get_config_fstab,             NULL},
        { "lxc.rootfs.mount",         set_config_rootfs_mount,          NULL, NULL},
        { "lxc.rootfs.options",       set_config_rootfs_options,        NULL, NULL},
        { "lxc.rootfs.backend",       set_config_rootfs_backend,        NULL, NULL},
@@ -1493,12 +1497,18 @@ static int set_config_lsm_se_context(const char *key, const char *value,
 }
 
 static int set_config_logfile(const char *key, const char *value,
-                            struct lxc_conf *c)
+                             struct lxc_conf *c)
 {
        int ret;
 
-       // store these values in the lxc_conf, and then try to set for
-       // actual current logging.
+       if (config_value_empty(value)) {
+               free(c->logfile);
+               c->logfile = NULL;
+               return 0;
+       }
+
+       /* Store these values in the lxc_conf, and then try to set for actual
+        * current logging. */
        ret = set_config_path_item(&c->logfile, value);
        if (ret == 0)
                ret = lxc_log_set_file(&c->logfd, c->logfile);
@@ -2944,8 +2954,6 @@ int lxc_get_config_item(struct lxc_conf *c, const char *key, char *retv,
                return lxc_get_mount_entries(c, retv, inlen);
        else if (strcmp(key, "lxc.mount.auto") == 0)
                return lxc_get_auto_mounts(c, retv, inlen);
-       else if (strcmp(key, "lxc.mount") == 0)
-               v = c->fstab;
        else if (strcmp(key, "lxc.utsname") == 0)
                v = c->utsname ? c->utsname->nodename : NULL;
        else if (strcmp(key, "lxc.console.logfile") == 0)
@@ -3769,3 +3777,9 @@ static int get_config_logfile(struct lxc_container *c, const char *key,
 {
        return lxc_get_conf_str(retv, inlen, c->lxc_conf->logfile);
 }
+
+static int get_config_fstab(struct lxc_container *c, const char *key,
+                           char *retv, int inlen)
+{
+       return lxc_get_conf_str(retv, inlen, c->lxc_conf->fstab);
+}