#include <sys/mount.h>
#include <getopt.h>
#include <mntent.h>
-#include <pwd.h>
#include "fstab.h"
#include "xcommon.h"
int mask; /* flag mask value */
};
-/* Custom mount options for our own purposes. */
-/* Maybe these should now be freed for kernel use again */
-#define MS_DUMMY 0x00000000
-#define MS_USERS 0x40000000
-#define MS_USER 0x20000000
-#define MS_OWNER 0x10000000
-#define MS_GROUP 0x08000000
-
static const struct opt_map opt_map[] = {
{ "defaults", 0, 0, 0 }, /* default options */
{ "ro", 1, 0, MS_RDONLY }, /* read-only */
{ "remount", 0, 0, MS_REMOUNT}, /* Alter flags of mounted FS */
{ "bind", 0, 0, MS_BIND }, /* Remount part of tree elsewhere */
{ "rbind", 0, 0, MS_BIND|MS_REC }, /* Idem, plus mounted subtrees */
- { "auto", 0, 0, MS_DUMMY }, /* Can be mounted using -a */
- { "noauto", 0, 0, MS_DUMMY }, /* Can only be mounted explicitly */
- { "users", 0, 0, MS_USERS }, /* Allow ordinary user to mount */
- { "nousers", 0, 0, MS_USERS }, /* Forbid ordinary user to mount */
- { "user", 0, 0, MS_USER }, /* Allow ordinary user to mount */
- { "nouser", 0, 0, MS_USER }, /* Forbid ordinary user to mount */
- { "owner", 0, 0, MS_OWNER }, /* Let the owner of the device mount */
- { "noowner", 0, 0, MS_OWNER }, /* Device owner has no special privs */
- { "group", 0, 0, MS_GROUP }, /* Let the group of the device mount */
- { "nogroup", 0, 0, MS_GROUP }, /* Device group has no special privs */
- { "_netdev", 0, 0, MS_DUMMY}, /* Device requires network */
- { "comment", 0, 0, MS_DUMMY}, /* fstab comment only (kudzu,_netdev)*/
/* add new options here */
#ifdef MS_NOSUB
{ "mand", 0, 0, MS_MANDLOCK }, /* Allow mandatory locks on this FS */
{ "nomand", 0, 1, MS_MANDLOCK }, /* Forbid mandatory locks on this FS */
#endif
- { "loop", 1, 0, MS_DUMMY }, /* use a loop device */
#ifdef MS_NOATIME
{ "atime", 0, 1, MS_NOATIME }, /* Update access time */
{ "noatime", 0, 0, MS_NOATIME }, /* Do not update access time */
char *new_opts;
new_opts = xstrdup((flags & MS_RDONLY) ? "ro" : "rw");
- if (flags & MS_USER) {
- struct passwd *pw = getpwuid(getuid());
- if(pw)
- new_opts = xstrconcat3(new_opts, ",user=", pw->pw_name);
- }
-
for (om = opt_map; om->opt != NULL; om++) {
if (om->skip)
continue;
if (extra_opts && *extra_opts) {
new_opts = xstrconcat3(new_opts, ",", extra_opts);
}
-
return new_opts;
}
-void copy_mntent(struct mntent *ment, nfs_mntent_t *nment)
-{
- /* Not sure why nfs_mntent_t should exist */
- strcpy(nment->mnt_fsname, ment->mnt_fsname);
- strcpy(nment->mnt_dir, ment->mnt_dir);
- strcpy(nment->mnt_type, ment->mnt_type);
- strcpy(nment->mnt_opts, ment->mnt_opts);
- nment->mnt_freq = ment->mnt_freq;
- nment->mnt_passno = ment->mnt_passno;
-}
int add_mtab(char *fsname, char *mount_point, char *fstype, int flags, char *opts, int freq, int passno)
{
ment.mnt_dir = mount_point;
ment.mnt_type = fstype;
ment.mnt_opts = fix_opts_string(flags, opts);
- ment.mnt_freq = freq;
- ment.mnt_passno= passno;
-
- if(flags & MS_REMOUNT) {
- nfs_mntent_t nment;
-
- copy_mntent(&ment, &nment);
- update_mtab(nment.mnt_dir, &nment);
- return 0;
- }
+ ment.mnt_freq = 0;
+ ment.mnt_passno= 0;
if ((fd = open(MOUNTED"~", O_RDWR|O_CREAT|O_EXCL, 0600)) == -1) {
fprintf(stderr, "Can't get "MOUNTED"~ lock file");
{
switch(errno) {
case ENOTDIR:
- fprintf(stderr, "%s: mount point %s is not a directory\n", progname, node);
+ printf("%s: mount point %s is not a directory\n", progname, node);
break;
case EBUSY:
- fprintf(stderr, "%s: %s is already mounted or busy\n", progname, node);
+ printf("%s: %s is already mounted or busy\n", progname, node);
break;
case ENOENT:
- fprintf(stderr, "%s: mount point %s does not exist\n", progname, node);
+ printf("%s: mount point %s does not exist\n", progname, node);
break;
default:
- fprintf(stderr, "%s: %s\n", progname, strerror(errno));
+ printf("%s: %s\n", progname, strerror(errno));
}
}
if ((p = strrchr(progname, '/')) != NULL)
progname = p+1;
+ if (getuid() != 0) {
+ printf("%s: only root can do that.\n", progname);
+ exit(1);
+ }
+
if(!strncmp(progname, "umount", strlen("umount"))) {
if(argc < 2) {
umount_usage();
parse_opts(mount_opts, &flags, &extra_opts);
- if (getuid() != 0 && !(flags & MS_USERS) && !(flags & MS_USER)) {
- fprintf(stderr, "%s: permission denied.\n", progname);
- exit(1);
- }
-
if (!strcmp(progname, "mount.nfs4") || nfs_mount_vers == 4) {
nfs_mount_vers = 4;
mnt_err = nfs4mount(spec, mount_point, &flags, &extra_opts, &mount_opts, 0);
}
if (!mnt_err && !fake) {
- if(!(flags & MS_REMOUNT)) {
- mnt_err = do_mount_syscall(spec, mount_point,
- nfs_mount_vers == 4 ? "nfs4" : "nfs", flags, mount_opts);
+ mnt_err = do_mount_syscall(spec, mount_point, nfs_mount_vers == 4 ? "nfs4" : "nfs", flags, mount_opts);
- if(mnt_err) {
- mount_error(mount_point);
- exit(-1);
- }
+ if(mnt_err) {
+ mount_error(mount_point);
+ exit(-1);
}
- if(!nomtab) {
+
+ if(!nomtab)
add_mtab(spec, mount_point, nfs_mount_vers == 4 ? "nfs4" : "nfs",
flags, extra_opts, 0, 0);
- }
}
return 0;
#include <mntent.h>
#include <sys/mount.h>
#include <ctype.h>
-#include <pwd.h>
#include "xcommon.h"
#include "fstab.h"
}
}
-/*
- * Look for an option in a comma-separated list
- */
-static int
-contains(const char *list, const char *s) {
- int n = strlen(s);
-
- while (*list) {
- if (strncmp(list, s, n) == 0 &&
- (list[n] == 0 || list[n] == ','))
- return 1;
- while (*list && *list++ != ',') ;
- }
- return 0;
-}
-
-/*
- * If list contains "user=peter" and we ask for "user=", return "peter"
- */
-static char *
-get_value(const char *list, const char *s) {
- const char *t;
- int n = strlen(s);
-
- while (*list) {
- if (strncmp(list, s, n) == 0) {
- s = t = list+n;
- while (*s && *s != ',')
- s++;
- return xstrndup(t, s-t);
- }
- while (*list && *list++ != ',') ;
- }
- return 0;
-}
-
int add_mtab2(const char *spec, const char *node, const char *type,
const char *opts, struct mntentchn *mc)
{
goto out_bad;
return nfs_call_umount(&mnt_server, &dirname);
out_bad:
- fprintf(stderr, "%s: %s: not found or not mounted\n", progname, spec);
+ printf("%s: %s: not found or not mounted\n", progname, spec);
return 0;
}
printf(_("Could not find %s in mtab\n"), spec);
if(mc) {
- if(contains(mc->m.mnt_opts, "user") && getuid() != 0) {
- struct passwd *pw = getpwuid(getuid());
- if(!pw || strcmp(pw->pw_name, get_value(mc->m.mnt_opts, "user="))) {
- fprintf(stderr, "%s: permission denied to unmount %s\n",
- progname, spec);
- exit(1);
- }
- } else {
- if(!contains(mc->m.mnt_opts, "users") && getuid() != 0) {
- fprintf(stderr, "%s: only root can unmount %s from %s\n",
- progname, mc->m.mnt_fsname, mc->m.mnt_dir);
- exit(1);
- }
- }
-
ret = _nfsumount(mc->m.mnt_fsname, mc->m.mnt_opts);
if(ret)
ret = add_mtab2(mc->m.mnt_fsname, mc->m.mnt_dir,
projects / nfs-utils.git / commitdiff