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selinux: explicitly number all selinuxfs inodes 

Explicitly number all selinuxfs inodes to prevent a conflict between
inodes numbered using last_ino when created with new_inode() and those
labeled explicitly.

Signed-off-by: James Carter <jwcart2@tycho.nsa.gov>
Acked-by: Eric Paris <eparis@parisplace.org>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
James Carter 2007-04-04 16:18:39 -04:00 committed by James Morris
parent f0ee2e467f
commit 6174eafce3
1 changed files with 6 additions and 0 deletions
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6
security/selinux/selinuxfs.c
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@ -100,8 +100,11 @@ enum sel_inos {
SEL_MEMBER, /* compute polyinstantiation membership decision */
SEL_CHECKREQPROT, /* check requested protection, not kernel-applied one */
SEL_COMPAT_NET, /* whether to use old compat network packet controls */
SEL_INO_NEXT, /* The next inode number to use */
};
static unsigned long sel_last_ino = SEL_INO_NEXT - 1;
#define SEL_INITCON_INO_OFFSET 0x01000000
#define SEL_INO_MASK 0x00ffffff
@ -1237,6 +1240,7 @@ static int sel_make_avc_files(struct dentry *dir)
goto out;
}
inode->i_fop = files[i].ops;
inode->i_ino = ++sel_last_ino;
d_add(dentry, inode);
}
out:
@ -1304,6 +1308,7 @@ static int sel_make_dir(struct inode *dir, struct dentry *dentry)
}
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
inode->i_ino = ++sel_last_ino;
/* directory inodes start off with i_nlink == 2 (for "." entry) */
inc_nlink(inode);
d_add(dentry, inode);
@ -1366,6 +1371,7 @@ static int sel_fill_super(struct super_block * sb, void * data, int silent)
ret = -ENOMEM;
goto err;
}
inode->i_ino = ++sel_last_ino;
isec = (struct inode_security_struct*)inode->i_security;
isec->sid = SECINITSID_DEVNULL;
isec->sclass = SECCLASS_CHR_FILE;