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-rw-r--r--source4/client/smbumount.c186
1 files changed, 0 insertions, 186 deletions
diff --git a/source4/client/smbumount.c b/source4/client/smbumount.c
deleted file mode 100644
index 9ea3083a6f..0000000000
--- a/source4/client/smbumount.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * smbumount.c
- *
- * Copyright (C) 1995-1998 by Volker Lendecke
- *
- */
-
-#include "includes.h"
-
-#include <mntent.h>
-
-#include <asm/types.h>
-#include <asm/posix_types.h>
-#include <linux/smb.h>
-#include <linux/smb_mount.h>
-#include <linux/smb_fs.h>
-
-/* This is a (hopefully) temporary hack due to the fact that
- sizeof( uid_t ) != sizeof( __kernel_uid_t ) under glibc.
- This may change in the future and smb.h may get fixed in the
- future. In the mean time, it's ugly hack time - get over it.
-*/
-#undef SMB_IOC_GETMOUNTUID
-#define SMB_IOC_GETMOUNTUID _IOR('u', 1, __kernel_uid_t)
-
-#ifndef O_NOFOLLOW
-#define O_NOFOLLOW 0400000
-#endif
-
-static void
-usage(void)
-{
- printf("usage: smbumount mountpoint\n");
-}
-
-static int
-umount_ok(const char *mount_point)
-{
- /* we set O_NOFOLLOW to prevent users playing games with symlinks to
- umount filesystems they don't own */
- int fid = open(mount_point, O_RDONLY|O_NOFOLLOW, 0);
- __kernel_uid_t mount_uid;
-
- if (fid == -1) {
- fprintf(stderr, "Could not open %s: %s\n",
- mount_point, strerror(errno));
- return -1;
- }
-
- if (ioctl(fid, SMB_IOC_GETMOUNTUID, &mount_uid) != 0) {
- fprintf(stderr, "%s probably not smb-filesystem\n",
- mount_point);
- return -1;
- }
-
- if ((getuid() != 0)
- && (mount_uid != getuid())) {
- fprintf(stderr, "You are not allowed to umount %s\n",
- mount_point);
- return -1;
- }
-
- close(fid);
- return 0;
-}
-
-/* Make a canonical pathname from PATH. Returns a freshly malloced string.
- It is up the *caller* to ensure that the PATH is sensible. i.e.
- canonicalize ("/dev/fd0/.") returns "/dev/fd0" even though ``/dev/fd0/.''
- is not a legal pathname for ``/dev/fd0'' Anything we cannot parse
- we return unmodified. */
-static char *
-canonicalize (char *path)
-{
- char *canonical = malloc (PATH_MAX + 1);
-
- if (!canonical) {
- fprintf(stderr, "Error! Not enough memory!\n");
- return NULL;
- }
-
- if (strlen(path) > PATH_MAX) {
- fprintf(stderr, "Mount point string too long\n");
- return NULL;
- }
-
- if (path == NULL)
- return NULL;
-
- if (realpath (path, canonical))
- return canonical;
-
- strncpy (canonical, path, PATH_MAX);
- canonical[PATH_MAX] = '\0';
- return canonical;
-}
-
-
-int
-main(int argc, char *argv[])
-{
- int fd;
- char* mount_point;
- struct mntent *mnt;
- FILE* mtab;
- FILE* new_mtab;
-
- if (argc != 2) {
- usage();
- exit(1);
- }
-
- if (geteuid() != 0) {
- fprintf(stderr, "smbumount must be installed suid root\n");
- exit(1);
- }
-
- mount_point = canonicalize(argv[1]);
-
- if (mount_point == NULL)
- {
- exit(1);
- }
-
- if (umount_ok(mount_point) != 0) {
- exit(1);
- }
-
- if (umount(mount_point) != 0) {
- fprintf(stderr, "Could not umount %s: %s\n",
- mount_point, strerror(errno));
- exit(1);
- }
-
- if ((fd = open(MOUNTED"~", O_RDWR|O_CREAT|O_EXCL, 0600)) == -1)
- {
- fprintf(stderr, "Can't get "MOUNTED"~ lock file");
- return 1;
- }
- close(fd);
-
- if ((mtab = setmntent(MOUNTED, "r")) == NULL) {
- fprintf(stderr, "Can't open " MOUNTED ": %s\n",
- strerror(errno));
- return 1;
- }
-
-#define MOUNTED_TMP MOUNTED".tmp"
-
- if ((new_mtab = setmntent(MOUNTED_TMP, "w")) == NULL) {
- fprintf(stderr, "Can't open " MOUNTED_TMP ": %s\n",
- strerror(errno));
- endmntent(mtab);
- return 1;
- }
-
- while ((mnt = getmntent(mtab)) != NULL) {
- if (strcmp(mnt->mnt_dir, mount_point) != 0) {
- addmntent(new_mtab, mnt);
- }
- }
-
- endmntent(mtab);
-
- if (fchmod (fileno (new_mtab), S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) < 0) {
- fprintf(stderr, "Error changing mode of %s: %s\n",
- MOUNTED_TMP, strerror(errno));
- exit(1);
- }
-
- endmntent(new_mtab);
-
- if (rename(MOUNTED_TMP, MOUNTED) < 0) {
- fprintf(stderr, "Cannot rename %s to %s: %s\n",
- MOUNTED, MOUNTED_TMP, strerror(errno));
- exit(1);
- }
-
- if (unlink(MOUNTED"~") == -1)
- {
- fprintf(stderr, "Can't remove "MOUNTED"~");
- return 1;
- }
-
- return 0;
-}