hardenedbsd/HardenedBSD
1
0
Fork 0
mirror of https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git synced 2025-01-11 17:04:19 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

make mount(2) automatically kldload modules if the requested filesystem

Browse Source 
isn't present.
This commit is contained in:
Peter Wemm 1998-11-03 14:29:09 +00:00
parent 7837745438
commit 02fc72dbe5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=40862
2 changed files with 64 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
sys/kern/vfs_extattr.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_syscalls.c 8.13 (Berkeley) 4/15/94
* $Id: vfs_syscalls.c,v 1.108 1998/10/31 07:42:04 peter Exp $
* $Id: vfs_syscalls.c,v 1.109 1998/11/03 08:01:47 peter Exp $
*/
/* For 4.3 integer FS ID compatibility */
@ -51,6 +51,7 @@
#include <sys/kernel.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/linker.h>
#include <sys/stat.h>
#include <sys/unistd.h>
#include <sys/vnode.h>
@ -224,8 +225,36 @@ mount(p, uap)
if (!strcmp(vfsp->vfc_name, fstypename))
break;
if (vfsp == NULL) {
vput(vp);
return (ENODEV);
linker_file_t lf;
/* Refuse to load modules if securelevel raised */
if (securelevel > 0) {
vput(vp);
return EPERM;
}
/* Only load modules for root (very important!) */
if (error = suser(p->p_ucred, &p->p_acflag)) {
vput(vp);
return error;
}
error = linker_load_file(fstypename, &lf);
if (error || lf == NULL) {
vput(vp);
if (lf == NULL)
error = ENODEV;
return error;
}
lf->userrefs++;
/* lookup again, see if the VFS was loaded */
for (vfsp = vfsconf; vfsp; vfsp = vfsp->vfc_next)
if (!strcmp(vfsp->vfc_name, fstypename))
break;
if (vfsp == NULL) {
lf->userrefs--;
linker_file_unload(lf);
vput(vp);
return (ENODEV);
}
}
simple_lock(&vp->v_interlock);
if ((vp->v_flag & VMOUNT) != 0 ||

35
sys/kern/vfs_syscalls.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_syscalls.c 8.13 (Berkeley) 4/15/94
* $Id: vfs_syscalls.c,v 1.108 1998/10/31 07:42:04 peter Exp $
* $Id: vfs_syscalls.c,v 1.109 1998/11/03 08:01:47 peter Exp $
*/
/* For 4.3 integer FS ID compatibility */
@ -51,6 +51,7 @@
#include <sys/kernel.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/linker.h>
#include <sys/stat.h>
#include <sys/unistd.h>
#include <sys/vnode.h>
@ -224,8 +225,36 @@ mount(p, uap)
if (!strcmp(vfsp->vfc_name, fstypename))
break;
if (vfsp == NULL) {
vput(vp);
return (ENODEV);
linker_file_t lf;
/* Refuse to load modules if securelevel raised */
if (securelevel > 0) {
vput(vp);
return EPERM;
}
/* Only load modules for root (very important!) */
if (error = suser(p->p_ucred, &p->p_acflag)) {
vput(vp);
return error;
}
error = linker_load_file(fstypename, &lf);
if (error || lf == NULL) {
vput(vp);
if (lf == NULL)
error = ENODEV;
return error;
}
lf->userrefs++;
/* lookup again, see if the VFS was loaded */
for (vfsp = vfsconf; vfsp; vfsp = vfsp->vfc_next)
if (!strcmp(vfsp->vfc_name, fstypename))
break;
if (vfsp == NULL) {
lf->userrefs--;
linker_file_unload(lf);
vput(vp);
return (ENODEV);
}
}
simple_lock(&vp->v_interlock);
if ((vp->v_flag & VMOUNT) != 0 ||