#include "mount.h"
#include "error.h"
#include "network.h"
+#include "stropts.h"
char *progname;
int nfs_mount_data_version;
int nomtab;
int verbose;
int sloppy;
+int string;
+
+#define FOREGROUND (0)
+#define BACKGROUND (1)
static struct option longopts[] = {
{ "fake", 0, 0, 'f' },
{ "version", 0, 0, 'V' },
{ "read-write", 0, 0, 'w' },
{ "rw", 0, 0, 'w' },
+ { "string", 0, 0, 'i' },
{ "options", 1, 0, 'o' },
{ NULL, 0, 0, 0 }
};
void mount_usage(void)
{
- printf(_("usage: %s remotetarget dir [-rvVwfnh] [-o nfsoptions]\n"),
+ printf(_("usage: %s remotetarget dir [-rvVwfnsih] [-o nfsoptions]\n"),
progname);
printf(_("options:\n"));
printf(_("\t-r\t\tMount file system readonly\n"));
printf(_("\t-w\t\tMount file system read-write\n"));
printf(_("\t-f\t\tFake mount, do not actually mount\n"));
printf(_("\t-n\t\tDo not update /etc/mtab\n"));
- printf(_("\t-s\t\tTolerate sloppy mount options rather than failing.\n"));
+ printf(_("\t-s\t\tTolerate sloppy mount options rather than fail\n"));
+ printf(_("\t-i\t\tPass mount options to the kernel via a string\n"));
printf(_("\t-h\t\tPrint this help\n"));
printf(_("\tnfsoptions\tRefer to mount.nfs(8) or nfs(5)\n\n"));
}
{
int ret;
- if (strcmp(fs_type, "nfs4") == 0)
- ret = nfs4mount(spec, mount_point, flags,
- extra_opts, fake, bg);
- else
- ret = nfsmount(spec, mount_point, flags,
- extra_opts, fake, bg);
+ if (string) {
+ if (strcmp(fs_type, "nfs4") == 0)
+ ret = nfs4mount_s(spec, mount_point, flags,
+ extra_opts, fake, bg);
+ else
+ ret = nfsmount_s(spec, mount_point, flags,
+ extra_opts, fake, bg);
+ } else {
+ if (strcmp(fs_type, "nfs4") == 0)
+ ret = nfs4mount(spec, mount_point, flags,
+ extra_opts, fake, bg);
+ else
+ ret = nfsmount(spec, mount_point, flags,
+ extra_opts, fake, bg);
+ }
if (ret)
return ret;
mount_point = argv[2];
argv[2] = argv[0]; /* so that getopt error messages are correct */
- while ((c = getopt_long(argc - 2, argv + 2, "rvVwfno:hs",
+ while ((c = getopt_long(argc - 2, argv + 2, "rvVwfno:hsi",
longopts, NULL)) != -1) {
switch (c) {
case 'r':
break;
case 'V':
printf("%s: ("PACKAGE_STRING")\n", progname);
- return 0;
+ exit(0);
case 'w':
flags &= ~MS_RDONLY;
break;
case 's':
++sloppy;
break;
+ case 'i':
+ if (linux_version_code() < MAKE_VERSION(2, 6, 23)) {
+ nfs_error(_("%s: Passing mount options via a"
+ " string is unsupported by this"
+ " kernel\n"), progname);
+ exit(EX_USAGE);
+ }
+ if (uid != 0) {
+ nfs_error(_("%s: -i option is restricted to 'root'\n"),
+ progname);
+ exit(EX_USAGE);
+ }
+ ++string;
+ break;
case 'h':
default:
mount_usage();
}
mnt_err = try_mount(spec, mount_point, flags, fs_type, &extra_opts,
- mount_opts, fake, nomtab, 0);
+ mount_opts, fake, nomtab, FOREGROUND);
+ if (mnt_err == EX_BG) {
+ printf(_("%s: backgrounding \"%s\"\n"),
+ progname, spec);
+ fflush(stdout);
+
+ /*
+ * Parent exits immediately with success.
+ */
+ if (daemon(0, 0)) {
+ nfs_error(_("%s: failed to start "
+ "background process: %s\n"),
+ progname, strerror(errno));
+ exit(EX_FAIL);
+ }
+
+ mnt_err = try_mount(spec, mount_point, flags, fs_type,
+ &extra_opts, mount_opts, fake,
+ nomtab, BACKGROUND);
+ if (verbose && mnt_err)
+ printf(_("%s: giving up \"%s\"\n"),
+ progname, spec);
+ }
out:
free(mount_point);