#include "mount-setup.h"
#include "special.h"
#include "mkdir.h"
+#include "virt.h"
static const char *arg_dest = "/tmp";
+static bool arg_enabled = true;
static int device_name(const char *path, char **unit) {
char *p;
p = unit_name_from_path(path, ".device");
if (!p)
- return -ENOMEM;
+ return log_oom();
*unit = p;
return 1;
name = unit_name_from_path(what, ".swap");
if (!name) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
- unit = join(arg_dest, "/", name, NULL);
+ unit = strjoin(arg_dest, "/", name, NULL);
if (!unit) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
}
if (!noauto) {
- lnk = join(arg_dest, "/" SPECIAL_SWAP_TARGET ".wants/", name, NULL);
+ lnk = strjoin(arg_dest, "/" SPECIAL_SWAP_TARGET ".wants/", name, NULL);
if (!lnk) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
- mkdir_parents(lnk, 0755);
+ mkdir_parents_label(lnk, 0755);
if (symlink(unit, lnk) < 0) {
log_error("Failed to create symlink: %m");
r = -errno;
}
r = device_name(what, &device);
- if (r < 0) {
- log_error("Out of memory");
- r = -ENOMEM;
+ if (r < 0)
goto finish;
- }
if (r > 0) {
free(lnk);
- lnk = join(arg_dest, "/", device, ".wants/", name, NULL);
+ lnk = strjoin(arg_dest, "/", device, ".wants/", name, NULL);
if (!lnk) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
- mkdir_parents(lnk, 0755);
+ mkdir_parents_label(lnk, 0755);
if (symlink(unit, lnk) < 0) {
log_error("Failed to create symlink: %m");
r = -errno;
}
name = unit_name_from_path(where, ".mount");
- if (!name) {
- log_error("Out of memory");
- r = -ENOMEM;
+ if (!name) {
+ r = log_oom();
goto finish;
}
- unit = join(arg_dest, "/", name, NULL);
+ unit = strjoin(arg_dest, "/", name, NULL);
if (!unit) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
}
if (!noauto) {
- lnk = join(arg_dest, "/", post, nofail || automount ? ".wants/" : ".requires/", name, NULL);
+ lnk = strjoin(arg_dest, "/", post, nofail || automount ? ".wants/" : ".requires/", name, NULL);
if (!lnk) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
- mkdir_parents(lnk, 0755);
+ mkdir_parents_label(lnk, 0755);
if (symlink(unit, lnk) < 0) {
log_error("Failed to create symlink: %m");
r = -errno;
!path_equal(where, "/")) {
r = device_name(what, &device);
- if (r < 0) {
- log_error("Out of memory");
- r = -ENOMEM;
+ if (r < 0)
goto finish;
- }
if (r > 0) {
free(lnk);
- lnk = join(arg_dest, "/", device, ".wants/", name, NULL);
+ lnk = strjoin(arg_dest, "/", device, ".wants/", name, NULL);
if (!lnk) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
- mkdir_parents(lnk, 0755);
+ mkdir_parents_label(lnk, 0755);
if (symlink(unit, lnk) < 0) {
- log_error("Failed to creat symlink: %m");
+ log_error("Failed to create symlink: %m");
r = -errno;
goto finish;
}
if (automount && !path_equal(where, "/")) {
automount_name = unit_name_from_path(where, ".automount");
if (!name) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
- automount_unit = join(arg_dest, "/", automount_name, NULL);
+ automount_unit = strjoin(arg_dest, "/", automount_name, NULL);
if (!automount_unit) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
}
free(lnk);
- lnk = join(arg_dest, "/", post, nofail ? ".wants/" : ".requires/", automount_name, NULL);
+ lnk = strjoin(arg_dest, "/", post, nofail ? ".wants/" : ".requires/", automount_name, NULL);
if (!lnk) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
- mkdir_parents(lnk, 0755);
+ mkdir_parents_label(lnk, 0755);
if (symlink(automount_unit, lnk) < 0) {
log_error("Failed to create symlink: %m");
r = -errno;
what = fstab_node_to_udev_node(me->mnt_fsname);
if (!what) {
- log_error("Out of memory");
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
where = strdup(me->mnt_dir);
if (!where) {
- log_error("Out of memory");
+ r = log_oom();
free(what);
- r = -ENOMEM;
goto finish;
}
- if (is_path(what))
- path_kill_slashes(what);
-
if (is_path(where))
path_kill_slashes(where);
return r;
}
+static int parse_proc_cmdline(void) {
+ char *line, *w, *state;
+ int r;
+ size_t l;
+
+ if (detect_container(NULL) > 0)
+ return 0;
+
+ r = read_one_line_file("/proc/cmdline", &line);
+ if (r < 0) {
+ log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
+ return 0;
+ }
+
+ FOREACH_WORD_QUOTED(w, l, line, state) {
+ char *word;
+
+ word = strndup(w, l);
+ if (!word) {
+ r = log_oom();
+ goto finish;
+ }
+
+ if (startswith(word, "fstab=")) {
+ r = parse_boolean(word + 6);
+ if (r < 0)
+ log_warning("Failed to parse fstab switch %s. Ignoring.", word + 6);
+ else
+ arg_enabled = r;
+
+ } else if (startswith(word, "rd.fstab=")) {
+
+ if (in_initrd()) {
+ r = parse_boolean(word + 6);
+ if (r < 0)
+ log_warning("Failed to parse fstab switch %s. Ignoring.", word + 6);
+ else
+ arg_enabled = r;
+ }
+
+ } else if (startswith(word, "fstab.") ||
+ (in_initrd() && startswith(word, "rd.fstab."))) {
+
+ log_warning("Unknown kernel switch %s. Ignoring.", word);
+ }
+
+ free(word);
+ }
+
+ r = 0;
+
+finish:
+ free(line);
+ return r;
+}
+
int main(int argc, char *argv[]) {
int r;
umask(0022);
+ if (parse_proc_cmdline() < 0)
+ return EXIT_FAILURE;
+
+ if (!arg_enabled)
+ return EXIT_SUCCESS;
+
r = parse_fstab();
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;