static int
check_filesystem (guestfs_h *g, const char *mountable,
const struct guestfs_internal_mountable *m,
int whole_device)
{
int partnum = -1, nr_partitions = -1;
/* Not CLEANUP_FREE, as it will be cleaned up with inspection info */
char *windows_systemroot = NULL;
extend_fses (g);
if (!whole_device && m->im_type == MOUNTABLE_DEVICE &&
guestfs_int_is_partition (g, m->im_device)) {
if (get_partition_context (g, m->im_device,
&partnum, &nr_partitions) == -1)
return -1;
}
struct inspect_fs *fs = &g->fses[g->nr_fses-1];
fs->mountable = safe_strdup (g, mountable);
/* Optimize some of the tests by avoiding multiple tests of the same thing. */
const int is_dir_etc = guestfs_is_dir (g, "/etc") > 0;
const int is_dir_bin = guestfs_is_dir (g, "/bin") > 0;
const int is_dir_share = guestfs_is_dir (g, "/share") > 0;
/* Grub /boot? */
if (guestfs_is_file (g, "/grub/menu.lst") > 0 ||
guestfs_is_file (g, "/grub/grub.conf") > 0 ||
guestfs_is_file (g, "/grub2/grub.cfg") > 0)
;
/* FreeBSD root? */
else if (is_dir_etc &&
is_dir_bin &&
guestfs_is_file (g, "/etc/freebsd-update.conf") > 0 &&
guestfs_is_file (g, "/etc/fstab") > 0) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs_int_check_freebsd_root (g, fs) == -1)
return -1;
}
/* NetBSD root? */
else if (is_dir_etc &&
is_dir_bin &&
guestfs_is_file (g, "/netbsd") > 0 &&
guestfs_is_file (g, "/etc/fstab") > 0 &&
guestfs_is_file (g, "/etc/release") > 0) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs_int_check_netbsd_root (g, fs) == -1)
return -1;
}
/* OpenBSD root? */
else if (is_dir_etc &&
is_dir_bin &&
guestfs_is_file (g, "/bsd") > 0 &&
guestfs_is_file (g, "/etc/fstab") > 0 &&
guestfs_is_file (g, "/etc/motd") > 0) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs_int_check_openbsd_root (g, fs) == -1)
return -1;
}
/* Hurd root? */
else if (guestfs_is_file (g, "/hurd/console") > 0 &&
guestfs_is_file (g, "/hurd/hello") > 0 &&
guestfs_is_file (g, "/hurd/null") > 0) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED; /* XXX could be more specific */
if (guestfs_int_check_hurd_root (g, fs) == -1)
return -1;
}
/* Minix root? */
else if (is_dir_etc &&
is_dir_bin &&
guestfs_is_file (g, "/service/vm") > 0 &&
guestfs_is_file (g, "/etc/fstab") > 0 &&
guestfs_is_file (g, "/etc/version") > 0) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs_int_check_minix_root (g, fs) == -1)
return -1;
}
/* Linux root? */
else if (is_dir_etc &&
(is_dir_bin ||
is_symlink_to (g, "/bin", "usr/bin") > 0) &&
(guestfs_is_file (g, "/etc/fstab") > 0 ||
guestfs_is_file (g, "/etc/hosts") > 0)) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs_int_check_linux_root (g, fs) == -1)
return -1;
}
/* CoreOS root? */
else if (is_dir_etc &&
guestfs_is_dir (g, "/root") > 0 &&
guestfs_is_dir (g, "/home") > 0 &&
guestfs_is_dir (g, "/usr") > 0 &&
guestfs_is_file (g, "/etc/coreos/update.conf") > 0) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs_int_check_coreos_root (g, fs) == -1)
return -1;
}
/* Linux /usr/local? */
else if (is_dir_etc &&
is_dir_bin &&
is_dir_share &&
guestfs_is_dir (g, "/local") == 0 &&
guestfs_is_file (g, "/etc/fstab") == 0)
;
/* Linux /usr? */
else if (is_dir_etc &&
is_dir_bin &&
is_dir_share &&
guestfs_is_dir (g, "/local") > 0 &&
guestfs_is_file (g, "/etc/fstab") == 0) {
if (guestfs_int_check_linux_usr (g, fs) == -1)
return -1;
}
/* CoreOS /usr? */
else if (is_dir_bin &&
is_dir_share &&
guestfs_is_dir (g, "/local") > 0 &&
guestfs_is_dir (g, "/share/coreos") > 0) {
if (guestfs_int_check_coreos_usr (g, fs) == -1)
return -1;
}
/* Linux /var? */
else if (guestfs_is_dir (g, "/log") > 0 &&
guestfs_is_dir (g, "/run") > 0 &&
guestfs_is_dir (g, "/spool") > 0)
;
/* Windows root? */
else if ((windows_systemroot = guestfs_int_get_windows_systemroot (g)) != NULL)
{
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs_int_check_windows_root (g, fs, windows_systemroot) == -1)
return -1;
}
/* Windows volume with installed applications (but not root)? */
else if (guestfs_int_is_dir_nocase (g, "/System Volume Information") > 0 &&
guestfs_int_is_dir_nocase (g, "/Program Files") > 0)
;
/* Windows volume (but not root)? */
else if (guestfs_int_is_dir_nocase (g, "/System Volume Information") > 0)
;
/* FreeDOS? */
else if (guestfs_int_is_dir_nocase (g, "/FDOS") > 0 &&
guestfs_int_is_file_nocase (g, "/FDOS/FREEDOS.BSS") > 0) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLED;
fs->type = OS_TYPE_DOS;
fs->distro = OS_DISTRO_FREEDOS;
/* FreeDOS is a mix of 16 and 32 bit, but assume it requires a
* 32 bit i386 processor.
*/
fs->arch = safe_strdup (g, "i386");
}
/* Install CD/disk?
*
* Note that we checked (above) for an install ISO, but there are
* other types of install image (eg. USB keys) which that check
* wouldn't have picked up.
*
* Skip these checks if it's not a whole device (eg. CD) or the
* first partition (eg. bootable USB key).
*/
else if ((whole_device || (partnum == 1 && nr_partitions == 1)) &&
(guestfs_is_file (g, "/isolinux/isolinux.cfg") > 0 ||
guestfs_is_dir (g, "/EFI/BOOT") > 0 ||
guestfs_is_file (g, "/images/install.img") > 0 ||
guestfs_is_dir (g, "/.disk") > 0 ||
guestfs_is_file (g, "/.discinfo") > 0 ||
guestfs_is_file (g, "/i386/txtsetup.sif") > 0 ||
guestfs_is_file (g, "/amd64/txtsetup.sif") > 0 ||
guestfs_is_file (g, "/freedos/freedos.ico") > 0 ||
guestfs_is_file (g, "/boot/loader.rc") > 0)) {
fs->role = OS_ROLE_ROOT;
fs->format = OS_FORMAT_INSTALLER;
if (guestfs_int_check_installer_root (g, fs) == -1)
return -1;
}
/* The above code should have set fs->type and fs->distro fields, so
* we can now guess the package management system.
*/
guestfs_int_check_package_format (g, fs);
guestfs_int_check_package_management (g, fs);
return 0;
}
/* Find out if 'device' contains a filesystem. If it does, add
* another entry in g->fses.
*/
int
guestfs_int_check_for_filesystem_on (guestfs_h *g, const char *mountable)
{
CLEANUP_FREE char *vfs_type = NULL;
int is_swap, r;
struct inspect_fs *fs;
CLEANUP_FREE_INTERNAL_MOUNTABLE struct guestfs_internal_mountable *m = NULL;
int whole_device = 0;
/* Get vfs-type in order to check if it's a Linux(?) swap device.
* If there's an error we should ignore it, so to do that we have to
* temporarily replace the error handler with a null one.
*/
guestfs_push_error_handler (g, NULL, NULL);
vfs_type = guestfs_vfs_type (g, mountable);
guestfs_pop_error_handler (g);
is_swap = vfs_type && STREQ (vfs_type, "swap");
debug (g, "check_for_filesystem_on: %s (%s)",
mountable, vfs_type ? vfs_type : "failed to get vfs type");
if (is_swap) {
extend_fses (g);
fs = &g->fses[g->nr_fses-1];
fs->mountable = safe_strdup (g, mountable);
return 0;
}
m = guestfs_internal_parse_mountable (g, mountable);
if (m == NULL)
return -1;
/* If it's a whole device, see if it is an install ISO. */
if (m->im_type == MOUNTABLE_DEVICE) {
whole_device = guestfs_is_whole_device (g, m->im_device);
if (whole_device == -1) {
return -1;
}
}
if (whole_device) {
extend_fses (g);
fs = &g->fses[g->nr_fses-1];
r = guestfs_int_check_installer_iso (g, fs, m->im_device);
if (r == -1) { /* Fatal error. */
g->nr_fses--;
return -1;
}
if (r > 0) /* Found something. */
return 0;
/* Didn't find anything. Fall through ... */
g->nr_fses--;
}
/* Try mounting the device. As above, ignore errors. */
guestfs_push_error_handler (g, NULL, NULL);
if (vfs_type && STREQ (vfs_type, "ufs")) { /* Hack for the *BSDs. */
/* FreeBSD fs is a variant of ufs called ufs2 ... */
r = guestfs_mount_vfs (g, "ro,ufstype=ufs2", "ufs", mountable, "/");
if (r == -1)
/* while NetBSD and OpenBSD use another variant labeled 44bsd */
r = guestfs_mount_vfs (g, "ro,ufstype=44bsd", "ufs", mountable, "/");
} else {
r = guestfs_mount_ro (g, mountable, "/");
}
guestfs_pop_error_handler (g);
if (r == -1)
return 0;
/* Do the rest of the checks. */
r = check_filesystem (g, mountable, m, whole_device);
/* Unmount the filesystem. */
if (guestfs_umount_all (g) == -1)
return -1;
return r;
}
static int
check_filesystem (guestfs_h *g, const char *mountable,
const struct guestfs_internal_mountable *m,
int whole_device)
{
/* Not CLEANUP_FREE, as it will be cleaned up with inspection info */
char *windows_systemroot = NULL;
if (extend_fses (g) == -1)
return -1;
int partnum = -1;
if (!whole_device && m->im_type == MOUNTABLE_DEVICE) {
guestfs_push_error_handler (g, NULL, NULL);
partnum = guestfs_part_to_partnum (g, m->im_device);
guestfs_pop_error_handler (g);
}
struct inspect_fs *fs = &g->fses[g->nr_fses-1];
fs->mountable = safe_strdup (g, mountable);
/* Optimize some of the tests by avoiding multiple tests of the same thing. */
int is_dir_etc = guestfs_is_dir (g, "/etc") > 0;
int is_dir_bin = guestfs_is_dir (g, "/bin") > 0;
int is_dir_share = guestfs_is_dir (g, "/share") > 0;
/* Grub /boot? */
if (guestfs_is_file (g, "/grub/menu.lst") > 0 ||
guestfs_is_file (g, "/grub/grub.conf") > 0 ||
guestfs_is_file (g, "/grub2/grub.cfg") > 0)
;
/* FreeBSD root? */
else if (is_dir_etc &&
is_dir_bin &&
guestfs_is_file (g, "/etc/freebsd-update.conf") > 0 &&
guestfs_is_file (g, "/etc/fstab") > 0) {
/* Ignore /dev/sda1 which is a shadow of the real root filesystem
* that is probably /dev/sda5 (see:
* http://www.freebsd.org/doc/handbook/disk-organization.html)
*/
if (m->im_type == MOUNTABLE_DEVICE &&
match (g, m->im_device, re_first_partition))
return 0;
fs->is_root = 1;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs___check_freebsd_root (g, fs) == -1)
return -1;
}
else if (is_dir_etc &&
is_dir_bin &&
guestfs_is_file (g, "/etc/fstab") > 0 &&
guestfs_is_file (g, "/etc/release") > 0) {
/* Ignore /dev/sda1 which is a shadow of the real root filesystem
* that is probably /dev/sda5 (see:
* http://www.freebsd.org/doc/handbook/disk-organization.html)
*/
if (m->im_type == MOUNTABLE_DEVICE &&
match (g, m->im_device, re_first_partition))
return 0;
fs->is_root = 1;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs___check_netbsd_root (g, fs) == -1)
return -1;
}
/* Hurd root? */
else if (guestfs_is_file (g, "/hurd/console") > 0 &&
guestfs_is_file (g, "/hurd/hello") > 0 &&
guestfs_is_file (g, "/hurd/null") > 0) {
fs->is_root = 1;
fs->format = OS_FORMAT_INSTALLED; /* XXX could be more specific */
if (guestfs___check_hurd_root (g, fs) == -1)
return -1;
}
/* Linux root? */
else if (is_dir_etc &&
(is_dir_bin ||
(guestfs_is_symlink (g, "/bin") > 0 &&
guestfs_is_dir (g, "/usr/bin") > 0)) &&
guestfs_is_file (g, "/etc/fstab") > 0) {
fs->is_root = 1;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs___check_linux_root (g, fs) == -1)
return -1;
}
/* Linux /usr/local? */
else if (is_dir_etc &&
is_dir_bin &&
is_dir_share &&
guestfs_is_dir (g, "/local") == 0 &&
guestfs_is_file (g, "/etc/fstab") == 0)
;
/* Linux /usr? */
else if (is_dir_etc &&
is_dir_bin &&
is_dir_share &&
guestfs_is_dir (g, "/local") > 0 &&
guestfs_is_file (g, "/etc/fstab") == 0)
;
/* Linux /var? */
else if (guestfs_is_dir (g, "/log") > 0 &&
guestfs_is_dir (g, "/run") > 0 &&
guestfs_is_dir (g, "/spool") > 0)
;
/* Windows root? */
else if ((windows_systemroot = guestfs___get_windows_systemroot (g)) != NULL)
{
fs->is_root = 1;
fs->format = OS_FORMAT_INSTALLED;
if (guestfs___check_windows_root (g, fs, windows_systemroot) == -1)
return -1;
}
/* Windows volume with installed applications (but not root)? */
else if (guestfs___is_dir_nocase (g, "/System Volume Information") > 0 &&
guestfs___is_dir_nocase (g, "/Program Files") > 0)
;
/* Windows volume (but not root)? */
else if (guestfs___is_dir_nocase (g, "/System Volume Information") > 0)
;
/* FreeDOS? */
else if (guestfs___is_dir_nocase (g, "/FDOS") > 0 &&
guestfs___is_file_nocase (g, "/FDOS/FREEDOS.BSS") > 0) {
fs->is_root = 1;
fs->format = OS_FORMAT_INSTALLED;
fs->type = OS_TYPE_DOS;
fs->distro = OS_DISTRO_FREEDOS;
/* FreeDOS is a mix of 16 and 32 bit, but assume it requires a
* 32 bit i386 processor.
*/
fs->arch = safe_strdup (g, "i386");
}
/* Install CD/disk?
*
* Note that we checked (above) for an install ISO, but there are
* other types of install image (eg. USB keys) which that check
* wouldn't have picked up.
*
* Skip these checks if it's not a whole device (eg. CD) or the
* first partition (eg. bootable USB key).
*/
else if ((whole_device || partnum == 1) &&
(guestfs_is_file (g, "/isolinux/isolinux.cfg") > 0 ||
guestfs_is_dir (g, "/EFI/BOOT") > 0 ||
guestfs_is_file (g, "/images/install.img") > 0 ||
guestfs_is_dir (g, "/.disk") > 0 ||
guestfs_is_file (g, "/.discinfo") > 0 ||
guestfs_is_file (g, "/i386/txtsetup.sif") > 0 ||
guestfs_is_file (g, "/amd64/txtsetup.sif") > 0 ||
guestfs_is_file (g, "/freedos/freedos.ico") > 0 ||
guestfs_is_file (g, "/boot/loader.rc") > 0)) {
fs->is_root = 1;
fs->format = OS_FORMAT_INSTALLER;
if (guestfs___check_installer_root (g, fs) == -1)
return -1;
}
/* The above code should have set fs->type and fs->distro fields, so
* we can now guess the package management system.
*/
guestfs___check_package_format (g, fs);
guestfs___check_package_management (g, fs);
return 0;
}