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selinux: Pass security pointer to determine_inode_label() 

Right now selinux_determine_inode_label() works on security pointer of
current task. Soon I need this to work on a security pointer retrieved
from a set of creds. So start passing in a pointer and caller can
decide where to fetch security pointer from.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Vivek Goyal 2016-07-13 10:44:51 -04:00 committed by Paul Moore
parent 19472b69d6
commit c957f6df52
1 changed files with 10 additions and 9 deletions
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19
security/selinux/hooks.c
View File

@ -1808,13 +1808,13 @@ out:
/*
* Determine the label for an inode that might be unioned.
*/
static int selinux_determine_inode_label(struct inode *dir,
const struct qstr *name,
u16 tclass,
u32 *_new_isid)
static int
selinux_determine_inode_label(const struct task_security_struct *tsec,
struct inode *dir,
const struct qstr *name, u16 tclass,
u32 *_new_isid)
{
const struct superblock_security_struct *sbsec = dir->i_sb->s_security;
const struct task_security_struct *tsec = current_security();
if ((sbsec->flags & SE_SBINITIALIZED) &&
(sbsec->behavior == SECURITY_FS_USE_MNTPOINT)) {
@ -1857,8 +1857,8 @@ static int may_create(struct inode *dir,
if (rc)
return rc;
rc = selinux_determine_inode_label(dir, &dentry->d_name, tclass,
&newsid);
rc = selinux_determine_inode_label(current_security(), dir,
&dentry->d_name, tclass, &newsid);
if (rc)
return rc;
@ -2838,7 +2838,8 @@ static int selinux_dentry_init_security(struct dentry *dentry, int mode,
u32 newsid;
int rc;
rc = selinux_determine_inode_label(d_inode(dentry->d_parent), name,
rc = selinux_determine_inode_label(current_security(),
d_inode(dentry->d_parent), name,
inode_mode_to_security_class(mode),
&newsid);
if (rc)
@ -2863,7 +2864,7 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
sid = tsec->sid;
newsid = tsec->create_sid;
rc = selinux_determine_inode_label(
rc = selinux_determine_inode_label(current_security(),
dir, qstr,
inode_mode_to_security_class(inode->i_mode),
&newsid);