#include "util.h"
#include "unit-name.h"
#include "path-util.h"
+#include "fstab-util.h"
#include "mount-setup.h"
#include "special.h"
#include "mkdir.h"
-#include "fileio.h"
#include "generator.h"
#include "strv.h"
#include "virt.h"
static char *arg_usr_fstype = NULL;
static char *arg_usr_options = NULL;
-static int mount_find_pri(struct mntent *me, int *ret) {
- char *end, *opt;
- unsigned long r;
-
- assert(me);
- assert(ret);
-
- opt = hasmntopt(me, "pri");
- if (!opt)
- return 0;
-
- opt += strlen("pri");
- if (*opt != '=')
- return -EINVAL;
-
- errno = 0;
- r = strtoul(opt + 1, &end, 10);
- if (errno > 0)
- return -errno;
-
- if (end == opt + 1 || (*end != ',' && *end != 0))
- return -EINVAL;
-
- *ret = (int) r;
- return 1;
-}
+static int add_swap(
+ const char *what,
+ struct mntent *me,
+ bool noauto,
+ bool nofail) {
-static int add_swap(const char *what, struct mntent *me) {
- _cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL;
+ _cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL, *filtered = NULL;
_cleanup_fclose_ FILE *f = NULL;
-
- bool noauto;
int r, pri = -1;
+ const char *opts;
assert(what);
assert(me);
+ if (access("/proc/swaps", F_OK) < 0) {
+ log_info("Swap not supported, ignoring fstab swap entry for %s.", what);
+ return 0;
+ }
+
if (detect_container(NULL) > 0) {
log_info("Running in a container, ignoring fstab swap entry for %s.", what);
return 0;
}
- r = mount_find_pri(me, &pri);
+ opts = me->mnt_opts;
+ r = fstab_find_pri(opts, &pri);
if (r < 0) {
- log_error("Failed to parse priority");
- return r;
- }
+ log_error_errno(r, "Failed to parse priority, ignoring: %m");
- noauto = !!hasmntopt(me, "noauto");
+ /* Remove invalid pri field */
+ r = fstab_filter_options(opts, "pri\0", NULL, NULL, &filtered);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse options: %m");
+ opts = filtered;
+ }
name = unit_name_from_path(what, ".swap");
if (!name)
if (errno == EEXIST)
log_error("Failed to create swap unit file %s, as it already exists. Duplicate entry in /etc/fstab?", unit);
else
- log_error("Failed to create unit file %s: %m", unit);
+ log_error_errno(errno, "Failed to create unit file %s: %m", unit);
return -errno;
}
if (pri >= 0)
fprintf(f, "Priority=%i\n", pri);
- if (!isempty(me->mnt_opts) && !streq(me->mnt_opts, "defaults"))
- fprintf(f, "Options=%s\n", me->mnt_opts);
+ if (!isempty(opts) && !streq(opts, "defaults"))
+ fprintf(f, "Options=%s\n", opts);
r = fflush_and_check(f);
- if (r < 0) {
- log_error("Failed to write unit file %s: %s", unit, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to write unit file %s: %m", unit);
/* use what as where, to have a nicer error message */
- r = generator_write_timeouts(arg_dest, what, what, me->mnt_opts, NULL);
+ r = generator_write_timeouts(arg_dest, what, what, opts, NULL);
if (r < 0)
return r;
if (!noauto) {
- lnk = strjoin(arg_dest, "/" SPECIAL_SWAP_TARGET ".wants/", name, NULL);
+ lnk = strjoin(arg_dest, "/" SPECIAL_SWAP_TARGET,
+ nofail ? ".wants/" : ".requires/", name, NULL);
if (!lnk)
return log_oom();
mkdir_parents_label(lnk, 0755);
- if (symlink(unit, lnk) < 0) {
- log_error("Failed to create symlink %s: %m", lnk);
- return -errno;
- }
+ if (symlink(unit, lnk) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
}
return 0;
static bool mount_is_network(struct mntent *me) {
assert(me);
- return
- hasmntopt(me, "_netdev") ||
- fstype_is_network(me->mnt_type);
+ return fstab_test_option(me->mnt_opts, "_netdev\0") ||
+ fstype_is_network(me->mnt_type);
}
static bool mount_in_initrd(struct mntent *me) {
assert(me);
- return
- hasmntopt(me, "x-initrd.mount") ||
- streq(me->mnt_dir, "/usr");
+ return fstab_test_option(me->mnt_opts, "x-initrd.mount\0") ||
+ streq(me->mnt_dir, "/usr");
}
static int add_mount(
if (errno == EEXIST)
log_error("Failed to create mount unit file %s, as it already exists. Duplicate entry in /etc/fstab?", unit);
else
- log_error("Failed to create unit file %s: %m", unit);
+ log_error_errno(errno, "Failed to create unit file %s: %m", unit);
return -errno;
}
fprintf(f, "Options=%s\n", filtered);
fflush(f);
- if (ferror(f)) {
- log_error("Failed to write unit file %s: %m", unit);
- return -errno;
- }
+ if (ferror(f))
+ return log_error_errno(errno, "Failed to write unit file %s: %m", unit);
if (!noauto && post) {
lnk = strjoin(arg_dest, "/", post, nofail || automount ? ".wants/" : ".requires/", name, NULL);
return log_oom();
mkdir_parents_label(lnk, 0755);
- if (symlink(unit, lnk) < 0) {
- log_error("Failed to create symlink %s: %m", lnk);
- return -errno;
- }
+ if (symlink(unit, lnk) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
}
if (automount) {
fclose(f);
f = fopen(automount_unit, "wxe");
- if (!f) {
- log_error("Failed to create unit file %s: %m", automount_unit);
- return -errno;
- }
+ if (!f)
+ return log_error_errno(errno, "Failed to create unit file %s: %m", automount_unit);
fprintf(f,
"# Automatically generated by systemd-fstab-generator\n\n"
where);
fflush(f);
- if (ferror(f)) {
- log_error("Failed to write unit file %s: %m", automount_unit);
- return -errno;
- }
+ if (ferror(f))
+ return log_error_errno(errno, "Failed to write unit file %s: %m", automount_unit);
free(lnk);
lnk = strjoin(arg_dest, "/", post, nofail ? ".wants/" : ".requires/", automount_name, NULL);
return log_oom();
mkdir_parents_label(lnk, 0755);
- if (symlink(automount_unit, lnk) < 0) {
- log_error("Failed to create symlink %s: %m", lnk);
- return -errno;
- }
+ if (symlink(automount_unit, lnk) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
}
return 0;
if (errno == ENOENT)
return 0;
- log_error("Failed to open %s: %m", fstab_path);
+ 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))
if (!what)
return log_oom();
- if (detect_container(NULL) > 0 && is_device_path(what)) {
+ 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;
}
if (is_path(where))
path_kill_slashes(where);
- log_debug("Found entry what=%s where=%s type=%s", what, where, me->mnt_type);
+ 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);
+ k = add_swap(what, me, noauto, nofail);
else {
- bool noauto, nofail, automount;
+ bool automount;
const char *post;
- noauto = !!hasmntopt(me, "noauto");
- nofail = !!hasmntopt(me, "nofail");
- automount =
- hasmntopt(me, "comment=systemd.automount") ||
- hasmntopt(me, "x-systemd.automount");
-
+ 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))
if (!arg_root_options)
opts = arg_root_rw > 0 ? "rw" : "ro";
else if (arg_root_rw >= 0 ||
- (!mount_test_option(arg_root_options, "ro") &&
- !mount_test_option(arg_root_options, "rw")))
- opts = strappenda(arg_root_options, ",", arg_root_rw > 0 ? "rw" : "ro");
+ !fstab_test_option(arg_root_options, "ro\0" "rw\0"))
+ opts = strjoina(arg_root_options, ",", arg_root_rw > 0 ? "rw" : "ro");
else
opts = arg_root_options;
return log_oom();
}
- if (!arg_usr_what || !arg_usr_options)
+ if (!arg_usr_what)
return 0;
what = fstab_node_to_udev_node(arg_usr_what);
return -1;
}
- opts = arg_usr_options;
+ if (!arg_usr_options)
+ opts = arg_root_rw > 0 ? "rw" : "ro";
+ else if (!fstab_test_option(arg_usr_options, "ro\0" "rw\0"))
+ opts = strjoina(arg_usr_options, ",", arg_root_rw > 0 ? "rw" : "ro");
+ else
+ opts = arg_usr_options;
log_debug("Found entry what=%s where=/sysroot/usr type=%s", what, strna(arg_usr_fstype));
return add_mount(what,
r = parse_proc_cmdline(parse_proc_cmdline_item);
if (r < 0)
- log_warning("Failed to parse kernel command line, ignoring: %s", strerror(-r));
+ log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
/* Always honour root= and usr= in the kernel command line if we are in an initrd */
if (in_initrd()) {
}
free(arg_root_what);
+ free(arg_root_fstype);
+ free(arg_root_options);
+
+ free(arg_usr_what);
+ free(arg_usr_fstype);
+ free(arg_usr_options);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / blobdiff