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SELinux: setup new inode/ipc getsecid hooks

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Setup the new inode_getsecid and ipc_getsecid() LSM hooks
for SELinux.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
Reviewed-by: Paul Moore <paul.moore@hp.com>
This commit is contained in:
Ahmed S. Darwish 2008-03-01 21:52:30 +02:00 committed by James Morris
parent 8a076191f3
commit 713a04aeab
1 changed files with 17 additions and 2 deletions
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19
security/selinux/hooks.c
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@ -2792,6 +2792,12 @@ static int selinux_inode_killpriv(struct dentry *dentry)
return secondary_ops->inode_killpriv(dentry); return secondary_ops->inode_killpriv(dentry);
} }
static void selinux_inode_getsecid(const struct inode *inode, u32 *secid)
{
struct inode_security_struct *isec = inode->i_security;
*secid = isec->sid;
}
/* file security operations */ /* file security operations */
static int selinux_revalidate_file_permission(struct file *file, int mask) static int selinux_revalidate_file_permission(struct file *file, int mask)
@ -3183,7 +3189,8 @@ static int selinux_task_getsid(struct task_struct *p)
static void selinux_task_getsecid(struct task_struct *p, u32 *secid) static void selinux_task_getsecid(struct task_struct *p, u32 *secid)
{ {
selinux_get_task_sid(p, secid); struct task_security_struct *tsec = p->security;
*secid = tsec->sid;
} }
static int selinux_task_setgroups(struct group_info *group_info) static int selinux_task_setgroups(struct group_info *group_info)
@ -4149,7 +4156,7 @@ static int selinux_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *
goto out; goto out;
if (sock && family == PF_UNIX) if (sock && family == PF_UNIX)
selinux_get_inode_sid(SOCK_INODE(sock), &peer_secid); selinux_inode_getsecid(SOCK_INODE(sock), &peer_secid);
else if (skb) else if (skb)
selinux_skb_peerlbl_sid(skb, family, &peer_secid); selinux_skb_peerlbl_sid(skb, family, &peer_secid);
@ -5026,6 +5033,12 @@ static int selinux_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
return ipc_has_perm(ipcp, av); return ipc_has_perm(ipcp, av);
} }
static void selinux_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
{
struct ipc_security_struct *isec = ipcp->security;
*secid = isec->sid;
}
/* module stacking operations */ /* module stacking operations */
static int selinux_register_security (const char *name, struct security_operations *ops) static int selinux_register_security (const char *name, struct security_operations *ops)
{ {
@ -5342,6 +5355,7 @@ static struct security_operations selinux_ops = {
.inode_listsecurity = selinux_inode_listsecurity, .inode_listsecurity = selinux_inode_listsecurity,
.inode_need_killpriv = selinux_inode_need_killpriv, .inode_need_killpriv = selinux_inode_need_killpriv,
.inode_killpriv = selinux_inode_killpriv, .inode_killpriv = selinux_inode_killpriv,
.inode_getsecid = selinux_inode_getsecid,
.file_permission = selinux_file_permission, .file_permission = selinux_file_permission,
.file_alloc_security = selinux_file_alloc_security, .file_alloc_security = selinux_file_alloc_security,
@ -5382,6 +5396,7 @@ static struct security_operations selinux_ops = {
.task_to_inode = selinux_task_to_inode, .task_to_inode = selinux_task_to_inode,
.ipc_permission = selinux_ipc_permission, .ipc_permission = selinux_ipc_permission,
.ipc_getsecid = selinux_ipc_getsecid,
.msg_msg_alloc_security = selinux_msg_msg_alloc_security, .msg_msg_alloc_security = selinux_msg_msg_alloc_security,
.msg_msg_free_security = selinux_msg_msg_free_security, .msg_msg_free_security = selinux_msg_msg_free_security,