*
*/
+#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#include <mntent.h>
#include <ctype.h>
+#include "busybox.h"
#if defined BB_FEATURE_USE_DEVPS_PATCH
-#include <linux/devmtab.h> /* For Erik's nifty devmtab device driver */
+# include <linux/devmtab.h> /* For Erik's nifty devmtab device driver */
#endif
-#include "busybox.h"
enum {
MS_MGC_VAL = 0xc0ed0000, /* Magic number indicatng "new" flags */
S_IMMUTABLE = 512, /* Immutable file */
MS_NOATIME = 1024, /* Do not update access times. */
MS_NODIRATIME = 2048, /* Do not update directory access times */
+ MS_BIND = 4096, /* Use the new linux 2.4.x "mount --bind" feature */
};
{"rw", ~MS_RDONLY, 0},
{"suid", ~MS_NOSUID, 0},
{"sync", ~0, MS_SYNCHRONOUS},
+ {"bind", ~0, MS_BIND},
{0, 0, 0}
};
static int
do_mount(char *specialfile, char *dir, char *filesystemtype,
long flags, void *string_flags, int useMtab, int fakeIt,
- char *mtab_opts)
+ char *mtab_opts, int mount_all)
{
int status = 0;
#if defined BB_FEATURE_MOUNT_LOOP
}
if (!(flags & MS_RDONLY) && loro) { /* loop is ro, but wanted rw */
error_msg("WARNING: loop device is read-only");
- flags &= ~MS_RDONLY;
+ flags |= MS_RDONLY;
}
}
#endif
status = mount(specialfile, dir, filesystemtype, flags, string_flags);
- if (errno == EROFS) {
+ if (status < 0 && errno == EROFS) {
error_msg("%s is write-protected, mounting read-only", specialfile);
status = mount(specialfile, dir, filesystemtype, flags |= MS_RDONLY, string_flags);
}
+ /* Don't whine about already mounted filesystems when mounting all. */
+ if (status < 0 && errno == EBUSY && mount_all)
+ return TRUE;
}
}
}
-extern int
+static int
mount_one(char *blockDevice, char *directory, char *filesystemType,
unsigned long flags, char *string_flags, int useMtab, int fakeIt,
- char *mtab_opts, int whineOnErrors)
+ char *mtab_opts, int whineOnErrors, int mount_all)
{
int status = 0;
if (!*noauto_fstype) {
status = do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags,
- useMtab, fakeIt, mtab_opts);
+ useMtab, fakeIt, mtab_opts, mount_all);
if (status == TRUE)
break;
}
} else {
status = do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags, useMtab,
- fakeIt, mtab_opts);
+ fakeIt, mtab_opts, mount_all);
}
if (status == FALSE) {
while ((m = getmntent(mountTable)) != 0) {
char *blockDevice = m->mnt_fsname;
if (strcmp(blockDevice, "/dev/root") == 0) {
- find_real_root_device_name( blockDevice);
+ blockDevice = find_real_root_device_name(blockDevice);
}
printf("%s on %s type %s (%s)\n", blockDevice, m->mnt_dir,
m->mnt_type, m->mnt_opts);
+#ifdef BB_FEATURE_CLEAN_UP
+ if(blockDevice != m->mnt_fsname)
+ free(blockDevice);
+#endif
}
endmntent(mountTable);
} else {
extern int mount_main(int argc, char **argv)
{
+ struct stat statbuf;
char string_flags_buf[1024] = "";
char *string_flags = string_flags_buf;
char *extra_opts = string_flags_buf;
int flags = 0;
char *filesystemType = "auto";
- char *device = NULL;
- char *directory = NULL;
+ char *device = xmalloc(PATH_MAX);
+ char *directory = xmalloc(PATH_MAX);
int all = FALSE;
int fakeIt = FALSE;
int useMtab = TRUE;
- int i;
int rc = EXIT_FAILURE;
int fstabmount = FALSE;
+ int opt;
/* Parse options */
- i = --argc;
- argv++;
- while (i > 0 && **argv) {
- if (**argv == '-') {
- char *opt = *argv;
-
- while (i > 0 && *++opt)
- switch (*opt) {
- case 'o':
- if (--i == 0) {
- goto goodbye;
- }
- parse_mount_options(*(++argv), &flags, string_flags);
- break;
- case 'r':
- flags |= MS_RDONLY;
- break;
- case 't':
- if (--i == 0) {
- goto goodbye;
- }
- filesystemType = *(++argv);
- break;
- case 'w':
- flags &= ~MS_RDONLY;
- break;
- case 'a':
- all = TRUE;
- break;
- case 'f':
- fakeIt = TRUE;
- break;
+ while ((opt = getopt(argc, argv, "o:rt:wafnv")) > 0) {
+ switch (opt) {
+ case 'o':
+ parse_mount_options(optarg, &flags, string_flags);
+ break;
+ case 'r':
+ flags |= MS_RDONLY;
+ break;
+ case 't':
+ filesystemType = optarg;
+ break;
+ case 'w':
+ flags &= ~MS_RDONLY;
+ break;
+ case 'a':
+ all = TRUE;
+ break;
+ case 'f':
+ fakeIt = TRUE;
+ break;
#ifdef BB_FEATURE_MTAB_SUPPORT
- case 'n':
- useMtab = FALSE;
- break;
+ case 'n':
+ useMtab = FALSE;
+ break;
#endif
- case 'v':
- break; /* ignore -v */
- case 'h':
- case '-':
- goto goodbye;
- }
- } else {
- if (device == NULL)
- device = *argv;
- else if (directory == NULL)
- directory = *argv;
- else {
- goto goodbye;
- }
+ case 'v':
+ break; /* ignore -v */
}
- i--;
- argv++;
}
- if (device == NULL && !all)
+ if (!all && optind == argc)
show_mounts();
- if (all == TRUE || directory == NULL) {
- struct mntent *m;
+ if (optind < argc) {
+ /* if device is a filename get its real path */
+ if (stat(argv[optind], &statbuf) == 0) {
+ realpath(argv[optind], device);
+ } else {
+ safe_strncpy(device, argv[optind], PATH_MAX);
+ }
+ }
+
+ if (optind + 1 < argc) {
+ if (realpath(argv[optind + 1], directory) == NULL) {
+ perror_msg_and_die("%s", directory);
+ }
+ }
+
+ if (all == TRUE || optind + 1 == argc) {
+ struct mntent *m = NULL;
FILE *f = setmntent("/etc/fstab", "r");
fstabmount = TRUE;
perror_msg_and_die( "\nCannot read /etc/fstab");
while ((m = getmntent(f)) != NULL) {
- if (all == FALSE && directory == NULL && (
+ if (all == FALSE && optind + 1 == argc && (
(strcmp(device, m->mnt_fsname) != 0) &&
(strcmp(device, m->mnt_dir) != 0) ) ) {
continue;
parse_mount_options(m->mnt_opts, &flags, string_flags);
}
- device = strdup(m->mnt_fsname);
- directory = strdup(m->mnt_dir);
+ strcpy(device, m->mnt_fsname);
+ strcpy(directory, m->mnt_dir);
filesystemType = strdup(m->mnt_type);
singlemount:
string_flags = strdup(string_flags);
}
#endif
if (!mount_one(device, directory, filesystemType, flags,
- string_flags, useMtab, fakeIt, extra_opts, TRUE))
+ string_flags, useMtab, fakeIt, extra_opts, TRUE, all))
rc = EXIT_FAILURE;
if (all == FALSE)
if (fstabmount == TRUE)
endmntent(f);
- if (all == FALSE && fstabmount == TRUE && directory == NULL)
+ if (all == FALSE && fstabmount == TRUE && m == NULL)
fprintf(stderr, "Can't find %s in /etc/fstab\n", device);
return rc;
}
goto singlemount;
-
-goodbye:
- show_usage();
}
projects / oweals / busybox.git / blobdiff