*
*/
-#include "config.h"
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <unistd.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/mount.h>
-#include <sys/utsname.h>
#include <getopt.h>
#include <mntent.h>
#include <pwd.h>
#include "xcommon.h"
#include "nls.h"
#include "mount_constants.h"
+#include "mount_config.h"
#include "nfs_paths.h"
+#include "nfs_mntent.h"
#include "nfs_mount.h"
#include "nfs4_mount.h"
#include "mount.h"
#include "error.h"
-#include "network.h"
+#include "stropts.h"
+#include "utils.h"
char *progname;
int nfs_mount_data_version;
int nomtab;
int verbose;
int sloppy;
+int string;
#define FOREGROUND (0)
#define BACKGROUND (1)
{ "diratime", 0, 1, MS_NODIRATIME }, /* Update dir access times */
{ "nodiratime", 0, 0, MS_NODIRATIME },/* Do not update dir access times */
#endif
+#ifdef MS_RELATIME
+ { "relatime", 0, 0, MS_RELATIME }, /* Update access times relative to
+ mtime/ctime */
+ { "norelatime", 0, 1, MS_RELATIME }, /* Update access time without regard
+ to mtime/ctime */
+#endif
+ { "noquota", 0, 0, MS_DUMMY }, /* Don't enforce quota */
+ { "quota", 0, 0, MS_DUMMY }, /* Enforce user quota */
+ { "usrquota", 0, 0, MS_DUMMY }, /* Enforce user quota */
+ { "grpquota", 0, 0, MS_DUMMY }, /* Enforce group quota */
{ NULL, 0, 0, 0 }
};
-#define MAKE_VERSION(p,q,r) (65536 * (p) + 256 * (q) + (r))
-
-int linux_version_code(void)
-{
- struct utsname my_utsname;
- int p, q, r;
-
- if (uname(&my_utsname) == 0) {
- p = atoi(strtok(my_utsname.release, "."));
- q = atoi(strtok(NULL, "."));
- r = atoi(strtok(NULL, "."));
- return MAKE_VERSION(p,q,r);
- }
- return 0;
-}
-
-/*
- * Choose the version of the nfs_mount_data structure that is appropriate
- * for the kernel that is doing the mount.
- *
- * NFS_MOUNT_VERSION: maximum version supported by these sources
- * nfs_mount_data_version: maximum version supported by the running kernel
- */
-static void discover_nfs_mount_data_version(void)
-{
- int kernel_version = linux_version_code();
-
- if (kernel_version) {
- if (kernel_version < MAKE_VERSION(2, 1, 32))
- nfs_mount_data_version = 1;
- else if (kernel_version < MAKE_VERSION(2, 2, 18))
- nfs_mount_data_version = 3;
- else if (kernel_version < MAKE_VERSION(2, 3, 0))
- nfs_mount_data_version = 4;
- else if (kernel_version < MAKE_VERSION(2, 3, 99))
- nfs_mount_data_version = 3;
- else if (kernel_version < MAKE_VERSION(2, 6, 3))
- nfs_mount_data_version = 4;
- else
- nfs_mount_data_version = 6;
- }
- if (nfs_mount_data_version > NFS_MOUNT_VERSION)
- nfs_mount_data_version = NFS_MOUNT_VERSION;
-}
-
-static void print_one(char *spec, char *node, char *type, char *opts)
-{
- if (!verbose)
- return;
-
- if (opts)
- printf(_("%s on %s type %s (%s)\n"), spec, node, type, opts);
- else
- printf(_("%s on %s type %s\n"), spec, node, type);
-}
+static void parse_opts(const char *options, int *flags, char **extra_opts);
/*
* Build a canonical mount option string for /etc/mtab.
}
if (flags & MS_USERS)
new_opts = xstrconcat3(new_opts, ",users", "");
-
+
for (om = opt_map; om->opt != NULL; om++) {
if (om->skip)
continue;
return new_opts;
}
-static int add_mtab(char *spec, char *mount_point, char *fstype,
- int flags, char *opts, int freq, int pass)
+static void
+init_mntent(struct mntent *mnt, char *fsname, char *dir, char *type,
+ int flags, char *opts)
{
- struct mntent ment;
- FILE *mtab;
- int result = EX_FILEIO;
-
- ment.mnt_fsname = spec;
- ment.mnt_dir = mount_point;
- ment.mnt_type = fstype;
- ment.mnt_opts = fix_opts_string(flags, opts);
- ment.mnt_freq = freq;
- ment.mnt_passno = pass;
-
- if (flags & MS_REMOUNT) {
- update_mtab(ment.mnt_dir, &ment);
- return 0;
- }
+ mnt->mnt_fsname = fsname;
+ mnt->mnt_dir = dir;
+ mnt->mnt_type = type;
+ mnt->mnt_opts = fix_opts_string(flags & ~MS_NOMTAB, opts);
+
+ /* these are always zero for NFS */
+ mnt->mnt_freq = 0;
+ mnt->mnt_passno = 0;
+}
- lock_mtab();
+/* Create mtab with a root entry. */
+static void
+create_mtab (void) {
+ struct mntentchn *fstab;
+ struct mntent mnt;
+ int flags;
+ mntFILE *mfp;
- if ((mtab = setmntent(MOUNTED, "a+")) == NULL) {
- unlock_mtab();
- nfs_error(_("Can't open mtab: %s"),
- strerror(errno));
- goto fail_unlock;
- }
+ lock_mtab();
- if (addmntent(mtab, &ment) == 1) {
- nfs_error(_("Can't write mount entry to mtab: %s"),
- strerror(errno));
- goto fail_close;
+ mfp = nfs_setmntent (MOUNTED, "a+");
+ if (mfp == NULL || mfp->mntent_fp == NULL) {
+ int errsv = errno;
+ die (EX_FILEIO, _("mount: can't open %s for writing: %s"),
+ MOUNTED, strerror (errsv));
}
- if (fchmod(fileno(mtab), 0644) == -1) {
- nfs_error(_("Can't set permissions on mtab: %s"),
- strerror(errno));
- goto fail_close;
+ /* Find the root entry by looking it up in fstab */
+ if ((fstab = getfsfile ("/")) || (fstab = getfsfile ("root"))) {
+ char *extra_opts;
+ parse_opts (fstab->m.mnt_opts, &flags, &extra_opts);
+ init_mntent(&mnt, xstrdup(fstab->m.mnt_fsname), "/",
+ fstab->m.mnt_type, flags, extra_opts);
+ free(extra_opts);
+
+ if (nfs_addmntent (mfp, &mnt) == 1) {
+ int errsv = errno;
+ die (EX_FILEIO, _("mount: error writing %s: %s"),
+ _PATH_MOUNTED, strerror (errsv));
+ }
}
+ if (fchmod (fileno (mfp->mntent_fp), 0644) < 0)
+ if (errno != EROFS) {
+ int errsv = errno;
+ die (EX_FILEIO,
+ _("mount: error changing mode of %s: %s"),
+ _PATH_MOUNTED, strerror (errsv));
+ }
+ nfs_endmntent (mfp);
- result = 0;
-
-fail_close:
- endmntent(mtab);
-fail_unlock:
unlock_mtab();
- return result;
+ reset_mtab_info();
}
-void mount_usage(void)
+static int add_mtab(char *spec, char *mount_point, char *fstype,
+ int flags, char *opts)
{
- printf(_("usage: %s remotetarget dir [-rvVwfnh] [-o nfsoptions]\n"),
- progname);
- printf(_("options:\n"));
- printf(_("\t-r\t\tMount file system readonly\n"));
- printf(_("\t-v\t\tVerbose\n"));
- printf(_("\t-V\t\tPrint version\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-h\t\tPrint this help\n"));
- printf(_("\tnfsoptions\tRefer to mount.nfs(8) or nfs(5)\n\n"));
+ struct mntent ment;
+ int result = EX_SUCCESS;
+
+ init_mntent(&ment, spec, mount_point, fstype, flags, opts);
+
+ if (!nomtab && mtab_does_not_exist()) {
+ if (verbose > 1)
+ printf(_("mount: no %s found - creating it..\n"),
+ MOUNTED);
+ create_mtab ();
+ }
+
+ if (!nomtab && mtab_is_writable()) {
+ if (flags & MS_REMOUNT)
+ update_mtab(ment.mnt_dir, &ment);
+ else {
+ mntFILE *mtab;
+
+ lock_mtab();
+ mtab = nfs_setmntent(MOUNTED, "a+");
+ if (mtab == NULL || mtab->mntent_fp == NULL) {
+ nfs_error(_("Can't open mtab: %s"),
+ strerror(errno));
+ result = EX_FILEIO;
+ } else {
+ if (nfs_addmntent(mtab, &ment) == 1) {
+ nfs_error(_("Can't write mount entry to mtab: %s"),
+ strerror(errno));
+ result = EX_FILEIO;
+ }
+ }
+ nfs_endmntent(mtab);
+ unlock_mtab();
+ }
+ }
+
+ free(ment.mnt_opts);
+
+ return result;
}
-static void parse_opt(const char *opt, int *mask, char *extra_opts, int len)
+static void parse_opt(const char *opt, int *mask, char *extra_opts, size_t len)
{
const struct opt_map *om;
if (options != NULL) {
char *opts = xstrdup(options);
char *opt, *p;
- int len = strlen(opts) + 1; /* include room for a null */
+ size_t len = strlen(opts) + 1; /* include room for a null */
int open_quote = 0;
*extra_opts = xmalloc(len);
}
}
-static int chk_mountpoint(char *mount_point)
-{
- struct stat sb;
-
- if (stat(mount_point, &sb) < 0){
- mount_error(NULL, mount_point, errno);
- return 1;
- }
- if (S_ISDIR(sb.st_mode) == 0){
- mount_error(NULL, mount_point, ENOTDIR);
- return 1;
- }
- if (access(mount_point, X_OK) < 0) {
- mount_error(NULL, mount_point, errno);
- return 1;
- }
-
- return 0;
-}
-
static int try_mount(char *spec, char *mount_point, int flags,
char *fs_type, char **extra_opts, char *mount_opts,
- int fake, int nomtab, int bg)
+ int fake, int bg)
{
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)
+ ret = nfsmount_string(spec, mount_point, fs_type, 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;
if (!fake)
print_one(spec, mount_point, fs_type, mount_opts);
- if (!nomtab)
- ret = add_mtab(spec, mount_point, fs_type, flags, *extra_opts,
- 0, 0 /* these are always zero for NFS */ );
- return ret;
+ return add_mtab(spec, mount_point, fs_type, flags, *extra_opts);
}
int main(int argc, char *argv[])
{
int c, flags = 0, mnt_err = 1, fake = 0;
- char *spec, *mount_point, *fs_type = "nfs";
+ char *spec = NULL, *mount_point = NULL, *fs_type = "nfs";
char *extra_opts = NULL, *mount_opts = NULL;
uid_t uid = getuid();
progname = basename(argv[0]);
- discover_nfs_mount_data_version();
+ nfs_mount_data_version = discover_nfs_mount_data_version(&string);
if(!strncmp(progname, "umount", strlen("umount")))
exit(nfsumount(argc, argv));
- if (argv[1] && argv[1][0] == '-') {
- if(argv[1][1] == 'V')
- printf("%s ("PACKAGE_STRING")\n", progname);
- else
- mount_usage();
- exit(0);
- }
-
if ((argc < 3)) {
mount_usage();
exit(EX_USAGE);
}
- spec = argv[1];
- mount_point = argv[2];
+ mount_config_init(progname);
- 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, argv, "rvVwfno:hs",
longopts, NULL)) != -1) {
switch (c) {
case 'r':
break;
case 'V':
printf("%s: ("PACKAGE_STRING")\n", progname);
- return 0;
+ exit(EX_SUCCESS);
case 'w':
flags &= ~MS_RDONLY;
break;
case 'h':
default:
mount_usage();
- exit(EX_USAGE);
+ goto out_usage;
}
}
*/
if (optind != argc - 2) {
mount_usage();
- exit(EX_USAGE);
+ goto out_usage;
+ } else {
+ while (optind < argc) {
+ if (!spec)
+ spec = argv[optind];
+ else
+ mount_point = argv[optind];
+ optind++;
+ }
}
if (strcmp(progname, "mount.nfs4") == 0)
strcmp(mc->m.mnt_type, fs_type) != 0) {
nfs_error(_("%s: permission denied: no match for %s "
"found in /etc/fstab"), progname, mount_point);
- exit(EX_USAGE);
+ goto out_usage;
}
/*
mount_point = canonicalize(mount_point);
if (!mount_point) {
nfs_error(_("%s: no mount point provided"), progname);
- exit(EX_USAGE);
+ goto out_usage;
}
if (mount_point[0] != '/') {
nfs_error(_("%s: unrecognized mount point %s"),
mnt_err = EX_USAGE;
goto out;
}
+ /*
+ * Concatenate mount options from the configuration file
+ */
+ mount_opts = mount_config_opts(spec, mount_point, mount_opts);
parse_opts(mount_opts, &flags, &extra_opts);
mnt_err = EX_USAGE;
goto out;
}
+
+ if (geteuid() != 0) {
+ nfs_error(_("%s: not installed setuid - "
+ "\"user\" NFS mounts not supported."), progname);
+ exit(EX_FAIL);
+ }
}
if (chk_mountpoint(mount_point)) {
}
mnt_err = try_mount(spec, mount_point, flags, fs_type, &extra_opts,
- mount_opts, fake, nomtab, FOREGROUND);
+ mount_opts, fake, FOREGROUND);
if (mnt_err == EX_BG) {
- printf(_("mount: backgrounding \"%s\"\n"), spec);
+ printf(_("%s: backgrounding \"%s\"\n"),
+ progname, spec);
+ printf(_("%s: mount options: \"%s\"\n"),
+ progname, extra_opts);
+
fflush(stdout);
/*
- * Parent exits immediately with success. Make
- * sure not to free "mount_point"
+ * Parent exits immediately with success.
*/
- if (fork() > 0)
- exit(0);
+ 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);
+ BACKGROUND);
if (verbose && mnt_err)
printf(_("%s: giving up \"%s\"\n"),
progname, spec);
- exit(0);
}
out:
+ free(mount_opts);
+ free(extra_opts);
free(mount_point);
exit(mnt_err);
+
+out_usage:
+ free(mount_opts);
+ exit(EX_USAGE);
}
projects / nfs-utils.git / blobdiff