gboolean
ToolsDaemonTcloMountHGFS(RpcInData *data) // IN
{
VixError err = VIX_OK;
static char resultBuffer[DEFAULT_RESULT_MSG_MAX_LENGTH];
#if defined(linux)
/*
* Look for a vmhgfs mount at /mnt/hgfs. If one exists, nothing
* else needs to be done. If one doesn't exist, then mount at
* that location.
*/
FILE *mtab;
struct mntent *mnt;
Bool vmhgfsMntFound = FALSE;
if ((mtab = setmntent(_PATH_MOUNTED, "r")) == NULL) {
err = VIX_E_FAIL;
} else {
while ((mnt = getmntent(mtab)) != NULL) {
if ((strcmp(mnt->mnt_fsname, ".host:/") == 0) &&
(strcmp(mnt->mnt_type, HGFS_NAME) == 0) &&
(strcmp(mnt->mnt_dir, "/mnt/hgfs") == 0)) {
vmhgfsMntFound = TRUE;
break;
}
}
endmntent(mtab);
}
if (!vmhgfsMntFound) {
/*
* We need to call the mount program, not the mount system call. The
* mount program does several additional things, like compute the mount
* options from the contents of /etc/fstab, and invoke custom mount
* programs like the one needed for HGFS.
*/
int ret = system("mount -t vmhgfs .host:/ /mnt/hgfs");
if (ret == -1 || WIFSIGNALED(ret) ||
(WIFEXITED(ret) && WEXITSTATUS(ret) != 0)) {
err = VIX_E_FAIL;
}
}
#endif
/*
* All tools commands return results that start with an error
* and a guest-OS-specific error.
*/
Str_Sprintf(resultBuffer,
sizeof(resultBuffer),
"%"FMT64"d %d",
err,
Err_Errno());
RPCIN_SETRETVALS(data, resultBuffer, TRUE);
return TRUE;
} // ToolsDaemonTcloMountHGFS
FSMap *
fs_map_load(void)
{
FSMap *map = NULL;
FILE *fp;
fp = setmntent("/proc/mounts", "r");
if(fp)
{
/* store available mount points in array */
map = utils_new(1, FSMap);
map->mps = utils_new(32, MountPoint *);
map->size = 32;
map->len = 0;
struct mntent *ent = getmntent(fp);
while(ent)
{
if(map->len == map->size - 1)
{
if(map->size > SIZE_MAX / 2)
{
FATAL("misc", "Integer overflow.");
fprintf(stderr, _("Couldn't allocate memory.\n"));
abort();
}
map->size *= 2;
map->mps = utils_renew(map->mps, map->size, MountPoint *);
}
map->mps[map->len] = utils_new(1, MountPoint);
memset(map->mps[map->len]->fs, 0, FS_NAME_MAX);
strncpy(map->mps[map->len]->fs, ent->mnt_type, FS_NAME_MAX - 1);
memset(map->mps[map->len]->path, 0, PATH_MAX);
strncpy(map->mps[map->len]->path, ent->mnt_dir, PATH_MAX - 1);
++map->len;
ent = getmntent(fp);
}
endmntent(fp);
/* sort array by path in descending order */
if(map->len)
{
qsort(map->mps, map->len, sizeof(MountPoint *), &_fs_map_compare_entries);
}
}
else
{
static int mount_it_now(struct mntent *mp, int vfsflags, char *filteropts)
{
int rc;
if (fakeIt) { return 0; }
// Mount, with fallback to read-only if necessary.
for(;;) {
rc = mount(mp->mnt_fsname, mp->mnt_dir, mp->mnt_type,
vfsflags, filteropts);
if(!rc || (vfsflags&MS_RDONLY) || (errno!=EACCES && errno!=EROFS))
break;
bb_error_msg("%s is write-protected, mounting read-only",
mp->mnt_fsname);
vfsflags |= MS_RDONLY;
}
// Abort entirely if permission denied.
if (rc && errno == EPERM)
bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
/* If the mount was successful, and we're maintaining an old-style
* mtab file by hand, add the new entry to it now. */
if(ENABLE_FEATURE_MTAB_SUPPORT && useMtab && !rc) {
FILE *mountTable = setmntent(bb_path_mtab_file, "a+");
int i;
if(!mountTable)
bb_error_msg("No %s\n",bb_path_mtab_file);
// Add vfs string flags
for(i=0; mount_options[i].flags != MS_REMOUNT; i++)
if (mount_options[i].flags > 0)
append_mount_options(&(mp->mnt_opts),
// Shut up about the darn const. It's not important. I don't care.
(char *)mount_options[i].name);
// Remove trailing / (if any) from directory we mounted on
i = strlen(mp->mnt_dir);
if(i>1 && mp->mnt_dir[i-1] == '/') mp->mnt_dir[i-1] = 0;
// Write and close.
if(!mp->mnt_type || !*mp->mnt_type) mp->mnt_type="--bind";
addmntent(mountTable, mp);
endmntent(mountTable);
if (ENABLE_FEATURE_CLEAN_UP)
if(strcmp(mp->mnt_type,"--bind")) mp->mnt_type = 0;
}
return rc;
}
const char *mntpoint(const char *devname)
{
FILE *f;
struct mntent *mnt;
f = setmntent("/etc/mtab", "r");
if (f) {
while (mnt = getmntent(f)) {
if (strcmp(mnt->mnt_fsname, devname) == 0) {
endmntent(f);
return strdup(mnt->mnt_dir);
}
}
endmntent(f);
}
return "???";
}
/** @todo Integrate into RTFsQueryMountpoint(). */
static bool VBoxServiceAutoMountShareIsMounted(const char *pszShare,
char *pszMountPoint, size_t cbMountPoint)
{
AssertPtrReturn(pszShare, VERR_INVALID_PARAMETER);
AssertPtrReturn(pszMountPoint, VERR_INVALID_PARAMETER);
AssertReturn(cbMountPoint, VERR_INVALID_PARAMETER);
bool fMounted = false;
/* @todo What to do if we have a relative path in mtab instead
* of an absolute one ("temp" vs. "/media/temp")?
* procfs contains the full path but not the actual share name ...
* FILE *pFh = setmntent("/proc/mounts", "r+t"); */
#ifdef RT_OS_SOLARIS
FILE *pFh = fopen(_PATH_MOUNTED, "r");
if (!pFh)
VBoxServiceError("VBoxServiceAutoMountShareIsMounted: Could not open mount tab \"%s\"!\n",
_PATH_MOUNTED);
else
{
mnttab mntTab;
while ((getmntent(pFh, &mntTab)))
{
if (!RTStrICmp(mntTab.mnt_special, pszShare))
{
fMounted = RTStrPrintf(pszMountPoint, cbMountPoint, "%s", mntTab.mnt_mountp)
? true : false;
break;
}
}
fclose(pFh);
}
#else
FILE *pFh = setmntent(_PATH_MOUNTED, "r+t");
if (pFh == NULL)
VBoxServiceError("VBoxServiceAutoMountShareIsMounted: Could not open mount tab \"%s\"!\n",
_PATH_MOUNTED);
else
{
mntent *pMntEnt;
while ((pMntEnt = getmntent(pFh)))
{
if (!RTStrICmp(pMntEnt->mnt_fsname, pszShare))
{
fMounted = RTStrPrintf(pszMountPoint, cbMountPoint, "%s", pMntEnt->mnt_dir)
? true : false;
break;
}
}
endmntent(pFh);
}
#endif
VBoxServiceVerbose(4, "VBoxServiceAutoMountShareIsMounted: Share \"%s\" at mount point \"%s\" = %s\n",
pszShare, fMounted ? pszMountPoint : "<None>", fMounted ? "Yes" : "No");
return fMounted;
}
int fsal_internal_path2fsname(char *rpath, char *fs_spec)
{
FILE *fp;
struct mntent mnt;
struct mntent *pmnt;
char work[MAXPATHLEN];
char mntdir[MAXPATHLEN];
size_t pathlen, outlen;
int rc = -1;
pathlen = 0;
outlen = 0;
if(!rpath || !fs_spec)
return -1;
fp = setmntent(MOUNTED, "r");
if(fp == NULL)
return -1;
while((pmnt = getmntent_r(fp, &mnt, work, MAXPATHLEN)) != NULL)
{
/* get the longer path that matches export path */
if(mnt.mnt_dir != NULL)
{
pathlen = strlen(mnt.mnt_dir);
if((pathlen > outlen) && !strcmp(mnt.mnt_dir, "/"))
{
outlen = pathlen;
strncpy(mntdir, mnt.mnt_dir, MAXPATHLEN);
strncpy(fs_spec, mnt.mnt_fsname, MAXPATHLEN);
}
/* in other cases, the filesystem must be <mountpoint>/<smthg> or <mountpoint>\0 */
else if((pathlen > outlen) &&
!strncmp(rpath, mnt.mnt_dir, pathlen) &&
((rpath[pathlen] == '/') || (rpath[pathlen] == '\0')))
{
/* LogFullDebug(COMPONENT_FSAL, "%s is under mountpoint %s, type=%s, fs=%s\n",
rpath, mnt.mnt_dir, mnt.mnt_type, mnt.mnt_fsname); */
outlen = pathlen;
strncpy(mntdir, mnt.mnt_dir, MAXPATHLEN);
strncpy(fs_spec, mnt.mnt_fsname, MAXPATHLEN);
rc = 0;
}
}
}
endmntent(fp);
return rc;
} /* fsal_internal_path2fsname */
/* Code to determine the mount point of a CD-ROM */
int loki_getmountpoint( const char *device, char *mntpt, int max_size ){
char devpath[PATH_MAX], mntdevpath[PATH_MAX];
FILE * mountfp;
struct mntent *mntent;
int mounted;
/* Nothing to do with no device file */
if ( device == NULL ) {
*mntpt = '\0';
return -1;
}
/* Get the fully qualified path of the CD-ROM device */
if ( realpath( device, devpath ) == NULL ) {
perror( "realpath() on your CD-ROM failed" );
return( -1 );
}
/* Get the mount point */
mounted = -1;
memset( mntpt, 0, max_size );
mountfp = setmntent( _PATH_MNTTAB, "r" );
if ( mountfp != NULL ) {
mounted = 0;
while ( ( mntent = getmntent( mountfp ) ) != NULL )
{
char *tmp, mntdev[1024];
strcpy( mntdev, mntent->mnt_fsname );
if ( strcmp( mntent->mnt_type, "supermount" ) == 0 ) {
tmp = strstr( mntent->mnt_opts, "dev=" );
if ( tmp ) {
strcpy( mntdev, tmp + strlen( "dev=" ) );
tmp = strchr( mntdev, ',' );
if ( tmp ) {
*tmp = '\0';
}
}
}
if ( strncmp( mntdev, "/dev", 4 ) ||
realpath( mntdev, mntdevpath ) == NULL ) {
continue;
}
if ( strcmp( mntdevpath, devpath ) == 0 ) {
mounted = 1;
assert( (int)strlen( mntent->mnt_dir ) < max_size );
strncpy( mntpt, mntent->mnt_dir, max_size - 1 );
mntpt[max_size - 1] = '\0';
break;
}
}
endmntent( mountfp );
}
return( mounted );
}
json_t * rpi_storage_get_list(duda_request_t *dr, int parameter)
{
struct mntent *ent;
FILE *f;
json_t *array;
json_t *mount_object;
char *full_path;
struct statvfs svfs;
double fragment_size, size, used, available, use;
array = json->create_array();
f = setmntent("/proc/mounts", "r");
if (f == NULL) {
return array;
}
while (NULL != (ent = getmntent(f))) {
mount_object = json->create_object();
json->add_to_array(array, mount_object);
/* resolve symlinks in device names */
full_path = NULL;
if (ent->mnt_fsname[0] == '/') {
full_path = realpath(ent->mnt_fsname, full_path);
}
if (full_path != NULL) {
json->add_to_object(mount_object, "device", json->create_string(full_path));
free(full_path);
}
else {
json->add_to_object(mount_object, "device", json->create_string(ent->mnt_fsname));
}
json->add_to_object(mount_object, "mount", json->create_string(ent->mnt_dir));
json->add_to_object(mount_object, "filesystem", json->create_string(ent->mnt_type));
/* try to get usage data */
if ((statvfs(ent->mnt_dir, &svfs) == 0) && (svfs.f_blocks != 0)) {
fragment_size = (double)svfs.f_frsize;
size = fragment_size*((double)svfs.f_blocks);
used = size - fragment_size*((double)svfs.f_bfree);
available = fragment_size*((double)svfs.f_bavail);
use = (size - available)/size;
json->add_to_object(mount_object, "size", json->create_number(size));
json->add_to_object(mount_object, "used", json->create_number(used));
json->add_to_object(mount_object, "available", json->create_number(available));
json->add_to_object(mount_object, "use", json->create_number(use));
}
}
endmntent(f);
return array;
}
/*
* Return disk mounted partitions as a list of tuples including device,
* mount point and filesystem type
*/
static PyObject*
get_disk_partitions(PyObject* self, PyObject* args)
{
FILE *file = NULL;
struct mntent *entry;
PyObject* py_retlist = PyList_New(0);
PyObject* py_tuple = NULL;
// MOUNTED constant comes from mntent.h and it's == '/etc/mtab'
Py_BEGIN_ALLOW_THREADS
file = setmntent(MOUNTED, "r");
Py_END_ALLOW_THREADS
if ((file == 0) || (file == NULL)) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
while ((entry = getmntent(file))) {
if (entry == NULL) {
PyErr_Format(PyExc_RuntimeError, "getmntent() failed");
goto error;
}
py_tuple = Py_BuildValue("(ssss)", entry->mnt_fsname, // device
entry->mnt_dir, // mount point
entry->mnt_type, // fs type
entry->mnt_opts); // options
if (! py_tuple)
goto error;
if (PyList_Append(py_retlist, py_tuple))
goto error;
Py_DECREF(py_tuple);
}
endmntent(file);
return py_retlist;
error:
if (file != NULL)
endmntent(file);
Py_XDECREF(py_tuple);
Py_DECREF(py_retlist);
return NULL;
}
int
fixmount_check_mount(char *host, struct in_addr hostaddr, char *path)
{
FILE *mtab;
mntent_t *ment;
int found = 0;
/* scan mtab for path */
if (!(mtab = setmntent(_PATH_MTAB, "r"))) {
perror(_PATH_MTAB);
exit(1);
}
/*
* setmntent() doesn't do locking in read-only mode. Too bad -- it seems to
* rely on mount() and friends to do atomic updates by renaming the file.
* Well, our patched amd rewrites mtab in place to avoid NFS lossage, so
* better do the locking ourselves.
*/
#ifdef HAVE_FLOCK
if (flock(fileno(mtab), LOCK_SH) < 0) {
#else /* not HAVE_FLOCK */
if (lockf(fileno(mtab), F_LOCK, 0) < 0) {
#endif /* not HAVE_FLOCK */
perror(_PATH_MTAB);
exit(1);
}
while (!found && (ment = getmntent(mtab))) {
char *colon;
if ((colon = strchr(ment->mnt_fsname, ':'))) {
*colon = '\0';
if ((STREQ(colon + 1, path) ||
STREQ(ment->mnt_dir, path)) &&
is_same_host(ment->mnt_fsname, host, hostaddr))
found = 1;
}
}
(void) endmntent(mtab);
if (!found) {
char *swap;
/* swap files never show up in mtab, only root fs */
if ((swap = strstr(path, "swap"))) {
strncpy(swap, "root", 4); /* this should NOT use xstrlcpy */
found = fixmount_check_mount(host, hostaddr, path);
strncpy(swap, "swap", 4); /* this should NOT use xstrlcpy */
}
}
return found;
}
/* refresh t_mount_info infos in a GPtrArray containing struct t_disk * elements */
void disks_refresh(GPtrArray * pdisks)
{
/* using getmntent to get filesystems mount information */
FILE * fmtab = NULL ; // file /etc/mtab
struct mntent * pmntent = NULL; // struct for mnt info
struct statfs * pstatfs = NULL ;
t_mount_info * mount_info ;
t_disk * pdisk ;
/*remove t_mount_info for all devices */
disks_free_mount_info(pdisks);
/*allocate new struct statfs */
pstatfs = g_new0(struct statfs,1);
/*open file*/
fmtab = setmntent(MTAB,"r");
/* start looking for mounted devices */
for(pmntent = getmntent(fmtab) ; pmntent!=NULL ; pmntent = getmntent(fmtab))
{
/*getstat on disk */
if (statfs(pmntent->mnt_dir,pstatfs)==0 && (pstatfs->f_blocks != 0))
{ /*if we got the stat and they block number is non zero */
/* get pointer on disk from pdisks */
/*CHANGED to reflect change in disk_search*/
pdisk = disks_search(pdisks,pmntent->mnt_dir);
if (pdisk == NULL) //if disk is not found in pdisks
{
/*create a new struct t_disk and add it to pdisks */
/* test for "/dev/" and mnt_dir != none */
if ( !g_str_has_prefix(pmntent->mnt_fsname,"/dev/") || (g_ascii_strcasecmp(pmntent->mnt_dir,"none") == 0) ) {
if ( g_strrstr(pmntent->mnt_fsname,":") == NULL)
continue ; }
pdisk = disk_new(pmntent->mnt_fsname,pmntent->mnt_dir);
g_ptr_array_add(pdisks,pdisk);
}
/* create new t_mount_info */
mount_info = mount_info_new_from_stat(pstatfs, pmntent->mnt_type, pmntent->mnt_dir) ;
/* add it to pdisk */
pdisk->mount_info = mount_info ;
}
}
g_free(pstatfs);
endmntent(fmtab); //close file
return ;
}
/* Check if an ecryptfs private device or mount point is mounted.
* Return 1 if a filesystem in mtab matches dev && mnt && sig.
* Return 0 otherwise.
*/
int ecryptfs_private_is_mounted(char *dev, char *mnt, char *sig, int mounting) {
FILE *fh = NULL;
struct mntent *m = NULL;
char *opt = NULL;
int mounted;
if (sig && asprintf(&opt, "ecryptfs_sig=%s", sig) < 0) {
perror("asprintf");
return 0;
}
fh = setmntent("/proc/mounts", "r");
if (fh == NULL) {
perror("setmntent");
return 0;
}
mounted = 0;
flockfile(fh);
while ((m = getmntent(fh)) != NULL) {
if (strcmp(m->mnt_type, "ecryptfs") != 0)
/* Skip if this entry is not an ecryptfs mount */
continue;
if (mounting == 1) {
/* If mounting, return "already mounted" if EITHER the
* dev or the mnt dir shows up in mtab/mounts;
* regardless of the signature of such mounts;
*/
if (dev != NULL && strcmp(m->mnt_fsname, dev) == 0) {
mounted = 1;
break;
}
if (mnt != NULL && strcmp(m->mnt_dir, mnt) == 0) {
mounted = 1;
break;
}
} else {
/* Otherwise, we're unmounting, and we need to be
* very conservative in finding a perfect match
* to unmount. The device, mountpoint, and signature
* must *all* match perfectly.
*/
if (
strcmp(m->mnt_fsname, dev) == 0 &&
strcmp(m->mnt_dir, mnt) == 0 &&
(!opt || hasmntopt(m, opt) != NULL)
) {
mounted = 1;
break;
}
}
}
endmntent(fh);
if (opt != NULL)
free(opt);
return mounted;
}
int CollectorLinux::getDiskListByFs(const char *pszPath, DiskList& listUsage, DiskList& listLoad)
{
FILE *mtab = setmntent("/etc/mtab", "r");
if (mtab)
{
struct mntent *mntent;
while ((mntent = getmntent(mtab)))
{
/* Skip rootfs entry, there must be another root mount. */
if (strcmp(mntent->mnt_fsname, "rootfs") == 0)
continue;
if (strcmp(pszPath, mntent->mnt_dir) == 0)
{
char szDevName[128];
char szFsName[1024];
/* Try to resolve symbolic link if necessary. Yes, we access the file system here! */
int rc = RTPathReal(mntent->mnt_fsname, szFsName, sizeof(szFsName));
if (RT_FAILURE(rc))
continue; /* something got wrong, just ignore this path */
/* check against the actual mtab entry, NOT the real path as /dev/mapper/xyz is
* often a symlink to something else */
if (!strncmp(mntent->mnt_fsname, RT_STR_TUPLE("/dev/mapper")))
{
/* LVM */
getDiskName(szDevName, sizeof(szDevName), mntent->mnt_fsname, false /*=fTrimDigits*/);
addVolumeDependencies(szDevName, listUsage);
listLoad = listUsage;
}
else if (!strncmp(szFsName, RT_STR_TUPLE("/dev/md")))
{
/* Software RAID */
getDiskName(szDevName, sizeof(szDevName), szFsName, false /*=fTrimDigits*/);
listUsage.push_back(RTCString(szDevName));
addRaidDisks(szDevName, listLoad);
}
else
{
/* Plain disk partition. Trim the trailing digits to get the drive name */
getDiskName(szDevName, sizeof(szDevName), szFsName, true /*=fTrimDigits*/);
listUsage.push_back(RTCString(szDevName));
listLoad.push_back(RTCString(szDevName));
}
if (listUsage.empty() || listLoad.empty())
{
LogRel(("Failed to retrive disk info: getDiskName(%s) --> %s\n",
mntent->mnt_fsname, szDevName));
}
break;
}
}
endmntent(mtab);
}
return VINF_SUCCESS;
}
void erase_mtab(const char *name)
{
struct mntent entries[20];
int count = 0;
FILE *mountTable = setmntent(mtab_file, "r");
struct mntent *m;
/* Check if reading the mtab file failed */
if (mountTable == 0
/* Bummer. fall back on trying the /proc filesystem */
&& (mountTable = setmntent("/proc/mounts", "r")) == 0) {
perror_msg("%s", mtab_file);
return;
}
while ((m = getmntent(mountTable)) != 0) {
entries[count].mnt_fsname = strdup(m->mnt_fsname);
entries[count].mnt_dir = strdup(m->mnt_dir);
entries[count].mnt_type = strdup(m->mnt_type);
entries[count].mnt_opts = strdup(m->mnt_opts);
entries[count].mnt_freq = m->mnt_freq;
entries[count].mnt_passno = m->mnt_passno;
count++;
}
endmntent(mountTable);
if ((mountTable = setmntent(mtab_file, "w"))) {
int i;
for (i = 0; i < count; i++) {
int result = (strcmp(entries[i].mnt_fsname, name) == 0
|| strcmp(entries[i].mnt_dir, name) == 0);
if (result)
continue;
else
addmntent(mountTable, &entries[i]);
}
endmntent(mountTable);
} else if (errno != EROFS)
perror_msg("%s", mtab_file);
}
void FAST_FUNC erase_mtab(const char *name)
{
struct mntent *entries;
int i, count;
FILE *mountTable;
struct mntent *m;
mountTable = setmntent(bb_path_mtab_file, "r");
/* Bummer. Fall back on trying the /proc filesystem */
if (!mountTable) mountTable = setmntent("/proc/mounts", "r");
if (!mountTable) {
bb_perror_msg(bb_path_mtab_file);
return;
}
entries = NULL;
count = 0;
while ((m = getmntent(mountTable)) != 0) {
entries = xrealloc_vector(entries, 3, count);
entries[count].mnt_fsname = xstrdup(m->mnt_fsname);
entries[count].mnt_dir = xstrdup(m->mnt_dir);
entries[count].mnt_type = xstrdup(m->mnt_type);
entries[count].mnt_opts = xstrdup(m->mnt_opts);
entries[count].mnt_freq = m->mnt_freq;
entries[count].mnt_passno = m->mnt_passno;
count++;
}
endmntent(mountTable);
//TODO: make update atomic
mountTable = setmntent(bb_path_mtab_file, "w");
if (mountTable) {
for (i = 0; i < count; i++) {
if (strcmp(entries[i].mnt_fsname, name) != 0
&& strcmp(entries[i].mnt_dir, name) != 0)
addmntent(mountTable, &entries[i]);
}
endmntent(mountTable);
} else if (errno != EROFS)
bb_perror_msg(bb_path_mtab_file);
}
static int parse_fstab(void) {
FILE *f;
int r = 0;
struct mntent *me;
errno = 0;
f = setmntent("/etc/fstab", "r");
if (!f) {
if (errno == ENOENT)
return 0;
log_error("Failed to open /etc/fstab: %m");
return -errno;
}
while ((me = getmntent(f))) {
char *where, *what;
int k;
what = fstab_node_to_udev_node(me->mnt_fsname);
if (!what) {
r = log_oom();
goto finish;
}
where = strdup(me->mnt_dir);
if (!where) {
r = log_oom();
free(what);
goto finish;
}
if (is_path(where))
path_kill_slashes(where);
log_debug("Found entry what=%s where=%s type=%s", what, where, me->mnt_type);
if (streq(me->mnt_type, "swap"))
k = add_swap(what, me);
else
k = add_mount(what, where, me);
free(what);
free(where);
if (k < 0)
r = k;
}
finish:
endmntent(f);
return r;
}
/*
* Unlock the mount table
*/
void
unlock_mntlist(void)
{
/*
* Release file lock, by closing the file
*/
if (mnt_file) {
dlog("unlock_mntlist: releasing");
endmntent(mnt_file);
mnt_file = NULL;
}
}
/*
* If *path is NULL, initialize the fs table with all xfs mount points in mtab
* If *path is specified, search for that path in mtab
*/
static int
fs_table_initialise_mounts(
char *path)
{
struct mntent *mnt;
FILE *mtp;
char *fslog, *fsrt;
int error, found;
char *rpath = NULL;
error = found = 0;
fslog = fsrt = NULL;
if (!mtab_file) {
mtab_file = PROC_MOUNTS;
if (access(mtab_file, R_OK) != 0)
mtab_file = MOUNTED;
}
if ((mtp = setmntent(mtab_file, "r")) == NULL)
return ENOENT;
/* Use realpath to resolve symlinks, relative paths, etc */
if (path)
if ((rpath = realpath(path, NULL)) == NULL)
return ENOENT;
while ((mnt = getmntent(mtp)) != NULL) {
if (strcmp(mnt->mnt_type, "xfs") != 0)
continue;
if (path &&
((strcmp(path, mnt->mnt_dir) != 0) &&
(strcmp(path, mnt->mnt_fsname) != 0) &&
(strcmp(rpath, mnt->mnt_dir) != 0) &&
(strcmp(rpath, mnt->mnt_fsname) != 0)))
continue;
if (fs_extract_mount_options(mnt, &fslog, &fsrt))
continue;
(void) fs_table_insert(mnt->mnt_dir, 0, FS_MOUNT_POINT,
mnt->mnt_fsname, fslog, fsrt);
if (path) {
found = 1;
break;
}
}
endmntent(mtp);
free(rpath);
if (path && !found)
error = ENXIO;
return error;
}
static int sys_path_to_bdev(const char *path, char **mntpath, char **bdev, char **fs)
{
int ret = -1;
SMB_STRUCT_STAT S;
FILE *fp;
struct mntent *mnt;
SMB_DEV_T devno;
/* find the block device file */
if (!path||!mntpath||!bdev||!fs)
smb_panic("sys_path_to_bdev: called with NULL pointer");
(*mntpath) = NULL;
(*bdev) = NULL;
(*fs) = NULL;
if ( sys_stat(path, &S) == -1 )
return (-1);
devno = S.st_dev ;
fp = setmntent(MOUNTED,"r");
if (fp == NULL) {
return -1;
}
while ((mnt = getmntent(fp))) {
if ( sys_stat(mnt->mnt_dir,&S) == -1 )
continue ;
if (S.st_dev == devno) {
(*mntpath) = SMB_STRDUP(mnt->mnt_dir);
(*bdev) = SMB_STRDUP(mnt->mnt_fsname);
(*fs) = SMB_STRDUP(mnt->mnt_type);
if ((*mntpath)&&(*bdev)&&(*fs)) {
ret = 0;
} else {
SAFE_FREE(*mntpath);
SAFE_FREE(*bdev);
SAFE_FREE(*fs);
ret = -1;
}
break;
}
}
endmntent(fp) ;
return ret;
}
glibtop_mountentry *
glibtop_get_mountlist_s(glibtop *server, glibtop_mountlist *buf, int all_fs)
{
const struct mntent *mnt;
FILE *fp;
GArray* entries;
IgnoreList* ig = NULL;
memset(buf, 0, sizeof(glibtop_mountlist));
/* wild guess, preallocate 8 entries
on a desktop, almost everyone has / and a tmpfs for udev
if all_fs, there are also proc, sys, fuse, binfmt, etc */
entries = g_array_sized_new(FALSE, FALSE, sizeof(glibtop_mountentry), 8);
if (!(fp = setmntent(MOUNTED, "r"))) {
glibtop_warn_io_r(server, "Could not open %s", MOUNTED);
goto out;
}
while ((mnt = getmntent(fp)))
{
glibtop_mountentry *me;
gsize len;
if (!all_fs && ignore_fs(mnt->mnt_type, &ig))
continue;
len = entries->len;
g_array_set_size(entries, len + 1);
me = &g_array_index(entries, glibtop_mountentry, len);
g_strlcpy(me->devname, mnt->mnt_fsname, sizeof me->devname);
g_strlcpy(me->mountdir, mnt->mnt_dir, sizeof me->mountdir);
g_strlcpy(me->type, mnt->mnt_type, sizeof me->type);
}
endmntent(fp);
out:
ignore_list_delete(ig);
buf->size = sizeof(glibtop_mountentry);
buf->number = entries->len;
buf->total = buf->number * buf->size;
buf->flags = (1 << GLIBTOP_MOUNTLIST_SIZE)
| (1 << GLIBTOP_MOUNTLIST_NUMBER)
| (1 << GLIBTOP_MOUNTLIST_TOTAL);
return (glibtop_mountentry*) g_array_free(entries, FALSE);
}
bool ManagerWindow::checkUmProc()
{
FILE *fp = setmntent("/proc/mounts","r");
struct mntent *fs;
bool umproc_loaded = false;
while ((fs = getmntent(fp)) != NULL) /* detect if /proc/mounts is mounted by umproc */
{
if(!(strcmp(fs->mnt_fsname,"none") || strcmp(fs->mnt_dir,"/proc/mounts") || strcmp(fs->mnt_type,"proc")))
umproc_loaded = true;
}
endmntent(fp);
return umproc_loaded;
}
int check_mtab_entry(char *spec1, char *spec2, char *mtpt, char *type)
{
FILE *fp;
struct mntent *mnt;
fp = setmntent(MOUNTED, "r");
if (fp == NULL)
return 0;
while ((mnt = getmntent(fp)) != NULL) {
if ((strcmp(mnt->mnt_fsname, spec1) == 0 ||
strcmp(mnt->mnt_fsname, spec2) == 0) &&
(mtpt == NULL || strcmp(mnt->mnt_dir, mtpt) == 0) &&
(type == NULL || strcmp(mnt->mnt_type, type) == 0)) {
endmntent(fp);
return(EEXIST);
}
}
endmntent(fp);
return 0;
}
static int check_mtab_entry(char *spec, char *mtpt, char *type)
{
FILE *fp;
struct mntent *mnt;
fp = setmntent(MOUNTED, "r");
if (fp == NULL) {
return(0);
}
while ((mnt = getmntent(fp)) != NULL) {
if (strcmp(mnt->mnt_fsname, spec) == 0 &&
strcmp(mnt->mnt_dir, mtpt) == 0 &&
strcmp(mnt->mnt_type, type) == 0) {
endmntent(fp);
return(EEXIST);
}
}
endmntent(fp);
return(0);
}
static char *opal_check_mtab(char *dev_path)
{
#ifdef HAVE_MNTENT_H
FILE * mtab = NULL;
struct mntent * part = NULL;
if ((mtab = setmntent(MOUNTED_FILE, "r")) != NULL) {
while (NULL != (part = getmntent(mtab))) {
if ((NULL != part->mnt_dir) &&
(NULL != part->mnt_type) &&
(0 == strcmp(part->mnt_dir, dev_path)))
{
endmntent(mtab);
return strdup(part->mnt_type);
}
}
endmntent(mtab);
}
#endif
return NULL;
}
static int isMounted(const char *mntPoint)
{
int ret;
FILE *fp;
struct mntent *mntEnt;
fp = setmntent("/proc/mounts", "r");
if (!fp) {
ret = errno;
fprintf(stderr, "FUSE_TEST: isMounted(%s) failed to open /proc/mounts: "
"error %d: %s", mntPoint, ret, strerror(ret));
return -ret;
}
while ((mntEnt = getmntent(fp))) {
if (!strcmp(mntEnt->mnt_dir, mntPoint)) {
endmntent(fp);
return 1;
}
}
endmntent(fp);
return 0;
}
/*
* collect_active_mounts returns a list of active hugetlbfs
* mount points, and, if longest is not NULL, the number of
* characters in the longest mount point to ease output
* formatting. Caller is expected to free the list of mounts.
*/
struct mount_list *collect_active_mounts(int *longest)
{
FILE *mounts;
struct mount_list *list, *current, *previous = NULL;
int length;
/* First try /proc/mounts, then /etc/mtab */
mounts = setmntent(PROCMOUNTS, "r");
if (!mounts) {
mounts = setmntent(MOUNTED, "r");
if (!mounts) {
ERROR("unable to open %s or %s for reading",
PROCMOUNTS, MOUNTED);
exit(EXIT_FAILURE);
}
}
list = malloc(sizeof(struct mount_list));
if (!list) {
ERROR("out of memory");
exit(EXIT_FAILURE);
}
list->next = NULL;
current = list;
while (getmntent_r(mounts, &(current->entry), current->data, MAX_SIZE_MNTENT)) {
if (strcasecmp(current->entry.mnt_type, FS_NAME) == 0) {
length = strlen(current->entry.mnt_dir);
if (longest && length > *longest)
*longest = length;
current->next = malloc(sizeof(struct mount_list));
if (!current->next) {
ERROR("out of memory");
exit(EXIT_FAILURE);
}
previous = current;
current = current->next;
current->next = NULL;
}
}
endmntent(mounts);
if (previous) {
free(previous->next);
previous->next = NULL;
return list;
}
return NULL;
}
// Check if the SD card is mounted by searching through the mtab
static boolean check_sd(){
FILE * mtab = NULL;
struct mntent * part = NULL;
if((mtab = setmntent("/etc/mtab", "r")) != NULL){
while((part = getmntent(mtab)) != NULL){
if((part->mnt_dir != NULL) && (strcmp(part->mnt_dir, SD_MOUNT_PATH)) == 0){
return(true);
}
}
endmntent(mtab);
}
trace_error("Unable to locate SD mount path: %s\n", SD_MOUNT_PATH);
return(false);
}
/*
* Read a mount table into memory
*/
mntlist *
read_mtab(char *fs, const char *mnttabname)
{
mntlist **mpp, *mhp;
mntent_t *mep;
FILE *mfp = open_locked_mtab(mnttabname, "r+", fs);
if (!mfp)
return 0;
mpp = &mhp;
/*
* XXX - In SunOS 4 there is (yet another) memory leak
* which loses 1K the first time getmntent is called.
* (jsp)
*/
while ((mep = getmntent(mfp))) {
/*
* Allocate a new slot
*/
*mpp = ALLOC(struct mntlist);
/*
* Copy the data returned by getmntent
*/
(*mpp)->mnt = mnt_dup(mep);
/*
* Move to next pointer
*/
mpp = &(*mpp)->mnext;
}
*mpp = NULL;
#ifdef MOUNT_TABLE_ON_FILE
/*
* If we are not updating the mount table then we
* can free the resources held here, otherwise they
* must be held until the mount table update is complete
*/
mnt_file = mfp;
#else /* not MOUNT_TABLE_ON_FILE */
endmntent(mfp);
#endif /* not MOUNT_TABLE_ON_FILE */
return mhp;
}
/**
* checks one storage target path and creates a QuotaBlockDevice
*
* @param targetPath path to block device to check
* @param targetNumID targetNumID of the storage target to check
*/
QuotaBlockDevice QuotaBlockDevice::getBlockDeviceOfTarget(std::string& targetPath,
uint16_t targetNumID)
{
static std::string mountInformationPath("/proc/mounts");
std::string resMountPath;
std::string resBlockDevicePath;
QuotaBlockDeviceFsType resFsType = QuotaBlockDeviceFsType_UNKNOWN;
struct mntent* mntData;
FILE *mntFile = setmntent(mountInformationPath.c_str(), "r");
while ( (mntData = getmntent(mntFile) ) )
{
std::string tmpMountPath(mntData->mnt_dir);
// test all mounts, use the mount with the longest match and use the last match if multiple
// mounts with the longest match exists
if ( (targetPath.find(tmpMountPath) == 0) && (resMountPath.size() <= tmpMountPath.size() ) )
{
resMountPath = mntData->mnt_dir;
resBlockDevicePath = mntData->mnt_fsname;
std::string type(mntData->mnt_type);
if ( type.compare("xfs") == 0 )
resFsType = QuotaBlockDeviceFsType_XFS;
else
if ( type.find("ext") == 0 )
resFsType = QuotaBlockDeviceFsType_EXTX;
else
if ( type.compare("zfs") == 0 )
resFsType = QuotaBlockDeviceFsType_ZFS;
else
resFsType = QuotaBlockDeviceFsType_UNKNOWN;
}
}
endmntent(mntFile);
QuotaBlockDevice blockDevice(resMountPath, resBlockDevicePath, resFsType, targetPath);
// check if the installed libzfs is compatible with implementation
if(blockDevice.getFsType() == QuotaBlockDeviceFsType_ZFS)
{
if(!Program::getApp()->isDlOpenHandleLibZfsValid() )
QuotaTk::checkRequiredLibZfsFunctions(&blockDevice, targetNumID);
}
return blockDevice;
}
void df_all(void)
{
FILE *f;
struct mntent *mnt;
f = setmntent("/etc/mtab", "r");
if (f) {
while (mnt = getmntent(f))
df_path(mnt->mnt_dir, mnt->mnt_fsname, mnt->mnt_dir);
endmntent(f);
} else {
fprintf(stderr, "df: cannot open /etc/mtab: %s\n", strerror(errno));
}
}