Reassign printk levels in selinux kernel code

[powerpc.git] / security / selinux / hooks.c

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 65fb5e8..19a385e 100644 (file)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -181,11 +181,10 @@ static int inode_alloc_security(struct inode *inode)
        struct task_security_struct *tsec = current->security;
        struct inode_security_struct *isec;
 
-       isec = kmem_cache_alloc(sel_inode_cache, GFP_KERNEL);
+       isec = kmem_cache_zalloc(sel_inode_cache, GFP_KERNEL);
        if (!isec)
                return -ENOMEM;
 
-       memset(isec, 0, sizeof(*isec));
        mutex_init(&isec->lock);
        INIT_LIST_HEAD(&isec->list);
        isec->inode = inode;
@@ -654,11 +653,11 @@ static int superblock_doinit(struct super_block *sb, void *data)
        sbsec->initialized = 1;
 
        if (sbsec->behavior > ARRAY_SIZE(labeling_behaviors)) {
-               printk(KERN_INFO "SELinux: initialized (dev %s, type %s), unknown behavior\n",
+               printk(KERN_ERR "SELinux: initialized (dev %s, type %s), unknown behavior\n",
                       sb->s_id, sb->s_type->name);
        }
        else {
-               printk(KERN_INFO "SELinux: initialized (dev %s, type %s), %s\n",
+               printk(KERN_DEBUG "SELinux: initialized (dev %s, type %s), %s\n",
                       sb->s_id, sb->s_type->name,
                       labeling_behaviors[sbsec->behavior-1]);
        }
@@ -1078,6 +1077,9 @@ static int inode_has_perm(struct task_struct *tsk,
        struct inode_security_struct *isec;
        struct avc_audit_data ad;
 
+       if (unlikely (IS_PRIVATE (inode)))
+               return 0;
+
        tsec = tsk->security;
        isec = inode->i_security;
 
@@ -1424,6 +1426,47 @@ static int selinux_capable(struct task_struct *tsk, int cap)
        return task_has_capability(tsk,cap);
 }
 
+static int selinux_sysctl_get_sid(ctl_table *table, u16 tclass, u32 *sid)
+{
+       int buflen, rc;
+       char *buffer, *path, *end;
+
+       rc = -ENOMEM;
+       buffer = (char*)__get_free_page(GFP_KERNEL);
+       if (!buffer)
+               goto out;
+
+       buflen = PAGE_SIZE;
+       end = buffer+buflen;
+       *--end = '\0';
+       buflen--;
+       path = end-1;
+       *path = '/';
+       while (table) {
+               const char *name = table->procname;
+               size_t namelen = strlen(name);
+               buflen -= namelen + 1;
+               if (buflen < 0)
+                       goto out_free;
+               end -= namelen;
+               memcpy(end, name, namelen);
+               *--end = '/';
+               path = end;
+               table = table->parent;
+       }
+       buflen -= 4;
+       if (buflen < 0)
+               goto out_free;
+       end -= 4;
+       memcpy(end, "/sys", 4);
+       path = end;
+       rc = security_genfs_sid("proc", path, tclass, sid);
+out_free:
+       free_page((unsigned long)buffer);
+out:
+       return rc;
+}
+
 static int selinux_sysctl(ctl_table *table, int op)
 {
        int error = 0;
@@ -1438,8 +1481,8 @@ static int selinux_sysctl(ctl_table *table, int op)
 
        tsec = current->security;
 
-       rc = selinux_proc_get_sid(table->de, (op == 001) ?
-                                 SECCLASS_DIR : SECCLASS_FILE, &tsid);
+       rc = selinux_sysctl_get_sid(table, (op == 0001) ?
+                                   SECCLASS_DIR : SECCLASS_FILE, &tsid);
        if (rc) {
                /* Default to the well-defined sysctl SID. */
                tsid = SECINITSID_SYSCTL;
@@ -2655,7 +2698,7 @@ static int selinux_file_send_sigiotask(struct task_struct *tsk,
        struct file_security_struct *fsec;
 
        /* struct fown_struct is never outside the context of a struct file */
-        file = (struct file *)((long)fown - offsetof(struct file,f_owner));
+        file = container_of(fown, struct file, f_owner);
 
        tsec = tsk->security;
        fsec = file->f_security;
@@ -4391,7 +4434,7 @@ static int selinux_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
 static int selinux_register_security (const char *name, struct security_operations *ops)
 {
        if (secondary_ops != original_ops) {
-               printk(KERN_INFO "%s:  There is already a secondary security "
+               printk(KERN_ERR "%s:  There is already a secondary security "
                       "module registered.\n", __FUNCTION__);
                return -EINVAL;
        }
@@ -4408,7 +4451,7 @@ static int selinux_register_security (const char *name, struct security_operatio
 static int selinux_unregister_security (const char *name, struct security_operations *ops)
 {
        if (ops != secondary_ops) {
-               printk (KERN_INFO "%s:  trying to unregister a security module "
+               printk(KERN_ERR "%s:  trying to unregister a security module "
                        "that is not registered.\n", __FUNCTION__);
                return -EINVAL;
        }
@@ -4846,9 +4889,9 @@ static __init int selinux_init(void)
                panic("SELinux: Unable to register with kernel.\n");
 
        if (selinux_enforcing) {
-               printk(KERN_INFO "SELinux:  Starting in enforcing mode\n");
+               printk(KERN_DEBUG "SELinux:  Starting in enforcing mode\n");
        } else {
-               printk(KERN_INFO "SELinux:  Starting in permissive mode\n");
+               printk(KERN_DEBUG "SELinux:  Starting in permissive mode\n");
        }
 
 #ifdef CONFIG_KEYS
@@ -4864,10 +4907,10 @@ static __init int selinux_init(void)
 
 void selinux_complete_init(void)
 {
-       printk(KERN_INFO "SELinux:  Completing initialization.\n");
+       printk(KERN_DEBUG "SELinux:  Completing initialization.\n");
 
        /* Set up any superblocks initialized prior to the policy load. */
-       printk(KERN_INFO "SELinux:  Setting up existing superblocks.\n");
+       printk(KERN_DEBUG "SELinux:  Setting up existing superblocks.\n");
        spin_lock(&sb_lock);
        spin_lock(&sb_security_lock);
 next_sb:
@@ -4925,9 +4968,9 @@ static int __init selinux_nf_ip_init(void)
 
        if (!selinux_enabled)
                goto out;
-               
-       printk(KERN_INFO "SELinux:  Registering netfilter hooks\n");
-       
+
+       printk(KERN_DEBUG "SELinux:  Registering netfilter hooks\n");
+
        err = nf_register_hook(&selinux_ipv4_op);
        if (err)
                panic("SELinux: nf_register_hook for IPv4: error %d\n", err);
@@ -4949,7 +4992,7 @@ __initcall(selinux_nf_ip_init);
 #ifdef CONFIG_SECURITY_SELINUX_DISABLE
 static void selinux_nf_ip_exit(void)
 {
-       printk(KERN_INFO "SELinux:  Unregistering netfilter hooks\n");
+       printk(KERN_DEBUG "SELinux:  Unregistering netfilter hooks\n");
 
        nf_unregister_hook(&selinux_ipv4_op);
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)