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Get rid of VSTAT and replace it with VSTAT_PERMS, which is somewhat

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better defined.

Approved by:	rwatson (mentor)
This commit is contained in:
Edward Tomasz Napierala 2009-03-29 17:45:48 +00:00
parent 49bbb93c07
commit 6180d3185d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=190524
4 changed files with 7 additions and 8 deletions
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4
sys/security/mac_biba/mac_biba.c
View File

@ -2892,11 +2892,11 @@ biba_vnode_check_open(struct ucred *cred, struct vnode *vp,
obj = SLOT(vplabel);
/* XXX privilege override for admin? */
if (accmode & (VREAD | VEXEC | VSTAT)) {
if (accmode & (VREAD | VEXEC | VSTAT_PERMS)) {
if (!biba_dominate_effective(obj, subj))
return (EACCES);
}
if (accmode & (VWRITE | VAPPEND | VADMIN)) {
if (accmode & VMODIFY_PERMS) {
if (!biba_dominate_effective(subj, obj))
return (EACCES);
}

4
sys/security/mac_bsdextended/mac_bsdextended.c
View File

@ -478,9 +478,9 @@ ugidfw_accmode2mbi(accmode_t accmode)
mbi |= MBI_WRITE;
if (accmode & VREAD)
mbi |= MBI_READ;
if (accmode & VADMIN)
if (accmode & VADMIN_PERMS)
mbi |= MBI_ADMIN;
if (accmode & VSTAT)
if (accmode & VSTAT_PERMS)
mbi |= MBI_STAT;
if (accmode & VAPPEND)
mbi |= MBI_APPEND;

4
sys/security/mac_mls/mac_mls.c
View File

@ -2515,11 +2515,11 @@ mls_vnode_check_open(struct ucred *cred, struct vnode *vp,
obj = SLOT(vplabel);
/* XXX privilege override for admin? */
if (accmode & (VREAD | VEXEC | VSTAT)) {
if (accmode & (VREAD | VEXEC | VSTAT_PERMS)) {
if (!mls_dominate_effective(subj, obj))
return (EACCES);
}
if (accmode & (VWRITE | VAPPEND | VADMIN)) {
if (accmode & VMODIFY_PERMS) {
if (!mls_dominate_effective(obj, subj))
return (EACCES);
}

3
sys/sys/vnode.h
View File

@ -314,7 +314,6 @@ struct vattr {
#define VWRITE 000000000200 /* write permission */
#define VREAD 000000000400 /* read permission */
#define VADMIN 000000010000 /* being the file owner */
#define VSTAT 000000020000 /* permission to retrieve attrs */
#define VAPPEND 000000040000 /* permission to write/append */
/*
* VEXPLICIT_DENY makes VOP_ACCESS(9) return EPERM or EACCES only
@ -344,7 +343,7 @@ struct vattr {
/*
* Permissions that were traditionally granted to everyone.
*/
#define VSTAT_PERMS (VSTAT | VREAD_ATTRIBUTES | VREAD_ACL | VSYNCHRONIZE)
#define VSTAT_PERMS (VREAD_ATTRIBUTES | VREAD_ACL)
/*
* Permissions that allow to change the state of the file in any way.