static int parse_fstab(const char *prefix, bool initrd) {
_cleanup_free_ char *fstab_path = NULL;
FILE *f;
int r = 0;
struct mntent *me;
fstab_path = strjoin(strempty(prefix), "/etc/fstab", NULL);
if (!fstab_path)
return log_oom();
f = setmntent(fstab_path, "r");
if (!f) {
if (errno == ENOENT)
return 0;
log_error("Failed to open %s/etc/fstab: %m", strempty(prefix));
return -errno;
}
while ((me = getmntent(f))) {
_cleanup_free_ char *where = NULL, *what = NULL;
int k;
if (initrd && !mount_in_initrd(me))
continue;
what = fstab_node_to_udev_node(me->mnt_fsname);
where = strjoin(strempty(prefix), me->mnt_dir, NULL);
if (!what || !where) {
r = log_oom();
goto finish;
}
if (is_path(where))
path_kill_slashes(where);
log_debug("Found entry what=%s where=%s type=%s", what, where, me->mnt_type);
if (streq(me->mnt_type, "swap"))
k = add_swap(what, me);
else {
bool noauto, nofail, automount, isbind;
const char *pre, *pre2, *post, *online;
noauto = !!hasmntopt(me, "noauto");
nofail = !!hasmntopt(me, "nofail");
automount =
hasmntopt(me, "comment=systemd.automount") ||
hasmntopt(me, "x-systemd.automount");
isbind = mount_is_bind(me);
if (initrd) {
pre = pre2 = online = NULL;
post = SPECIAL_INITRD_FS_TARGET;
} else if (mount_in_initrd(me)) {
pre = pre2 = online = NULL;
post = SPECIAL_INITRD_ROOT_FS_TARGET;
} else if (mount_is_network(me)) {
pre = SPECIAL_REMOTE_FS_PRE_TARGET;
pre2 = SPECIAL_NETWORK_TARGET;
online = SPECIAL_NETWORK_ONLINE_TARGET;
post = SPECIAL_REMOTE_FS_TARGET;
} else {
pre = SPECIAL_LOCAL_FS_PRE_TARGET;
pre2 = online = NULL;
post = SPECIAL_LOCAL_FS_TARGET;
}
k = add_mount(what, where, me->mnt_type, me->mnt_opts,
me->mnt_passno, noauto, nofail, automount,
isbind, pre, pre2, online, post, fstab_path);
}
if (k < 0)
r = k;
}
finish:
endmntent(f);
return r;
}
static int parse_fstab(bool initrd) {
_cleanup_endmntent_ FILE *f = NULL;
const char *fstab_path;
struct mntent *me;
int r = 0;
fstab_path = initrd ? "/sysroot/etc/fstab" : "/etc/fstab";
f = setmntent(fstab_path, "re");
if (!f) {
if (errno == ENOENT)
return 0;
log_error_errno(errno, "Failed to open %s: %m", fstab_path);
return -errno;
}
while ((me = getmntent(f))) {
_cleanup_free_ char *where = NULL, *what = NULL;
bool noauto, nofail;
int k;
if (initrd && !mount_in_initrd(me))
continue;
what = fstab_node_to_udev_node(me->mnt_fsname);
if (!what)
return log_oom();
if (is_device_path(what) && path_is_read_only_fs("sys") > 0) {
log_info("Running in a container, ignoring fstab device entry for %s.", what);
continue;
}
where = initrd ? strappend("/sysroot/", me->mnt_dir) : strdup(me->mnt_dir);
if (!where)
return log_oom();
if (is_path(where))
path_kill_slashes(where);
noauto = fstab_test_yes_no_option(me->mnt_opts, "noauto\0" "auto\0");
nofail = fstab_test_yes_no_option(me->mnt_opts, "nofail\0" "fail\0");
log_debug("Found entry what=%s where=%s type=%s nofail=%s noauto=%s",
what, where, me->mnt_type,
yes_no(noauto), yes_no(nofail));
if (streq(me->mnt_type, "swap"))
k = add_swap(what, me, noauto, nofail);
else {
bool automount;
const char *post;
automount = fstab_test_option(me->mnt_opts,
"comment=systemd.automount\0"
"x-systemd.automount\0");
if (initrd)
post = SPECIAL_INITRD_FS_TARGET;
else if (mount_in_initrd(me))
post = SPECIAL_INITRD_ROOT_FS_TARGET;
else if (mount_is_network(me))
post = SPECIAL_REMOTE_FS_TARGET;
else
post = SPECIAL_LOCAL_FS_TARGET;
k = add_mount(what,
where,
me->mnt_type,
me->mnt_opts,
me->mnt_passno,
noauto,
nofail,
automount,
post,
fstab_path);
}
if (k < 0)
r = k;
}
return r;
}