hardenedbsd/HardenedBSD
1
0
Fork 0
mirror of https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git synced 2024-11-29 12:44:53 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

For P_SUGID processes, we must also change ownership of the mem file

Browse Source 
to root so that group kmem can still get to it. *SIGH*
This commit is contained in:
dg 1995-04-15 03:20:31 +00:00
parent faeb716870
commit b7ad7fee08
2 changed files with 20 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sys/fs/procfs/procfs_vnops.c
View File

@ -36,7 +36,7 @@
*
* @(#)procfs_vnops.c 8.6 (Berkeley) 2/7/94
*
* $Id: procfs_vnops.c,v 1.9 1995/04/15 02:30:17 davidg Exp $
* $Id: procfs_vnops.c,v 1.10 1995/04/15 02:50:13 davidg Exp $
*/
/*
@ -432,7 +432,15 @@ procfs_getattr(ap)
ctob(procp->p_vmspace->vm_tsize +
procp->p_vmspace->vm_dsize +
procp->p_vmspace->vm_ssize);
vap->va_uid = procp->p_ucred->cr_uid;
/*
* If we denied owner access earlier, then we have to
* change the owner to root - otherwise 'ps' and friends
* will break even though they are setgid kmem. *SIGH*
*/
if (procp->p_flag & P_SUGID)
vap->va_uid = 0;
else
vap->va_uid = procp->p_ucred->cr_uid;
vap->va_gid = KMEM_GROUP;
break;

12
sys/miscfs/procfs/procfs_vnops.c
View File

@ -36,7 +36,7 @@
*
* @(#)procfs_vnops.c 8.6 (Berkeley) 2/7/94
*
* $Id: procfs_vnops.c,v 1.9 1995/04/15 02:30:17 davidg Exp $
* $Id: procfs_vnops.c,v 1.10 1995/04/15 02:50:13 davidg Exp $
*/
/*
@ -432,7 +432,15 @@ procfs_getattr(ap)
ctob(procp->p_vmspace->vm_tsize +
procp->p_vmspace->vm_dsize +
procp->p_vmspace->vm_ssize);
vap->va_uid = procp->p_ucred->cr_uid;
/*
* If we denied owner access earlier, then we have to
* change the owner to root - otherwise 'ps' and friends
* will break even though they are setgid kmem. *SIGH*
*/
if (procp->p_flag & P_SUGID)
vap->va_uid = 0;
else
vap->va_uid = procp->p_ucred->cr_uid;
vap->va_gid = KMEM_GROUP;
break;