1 files changed, 50 insertions, 37 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 2b5ee5fbd652..ad9a9b8e9979 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -530,7 +530,7 @@ static int sb_finish_set_opts(struct super_block *sb)
 		   the first boot of the SELinux kernel before we have
 		   assigned xattr values to the filesystem. */
 		if (!(root_inode->i_opflags & IOP_XATTR)) {
-			printk(KERN_WARNING "SELinux: (dev %s, type %s) has no "
+			pr_warn("SELinux: (dev %s, type %s) has no "
 			       "xattr support\n", sb->s_id, sb->s_type->name);
 			rc = -EOPNOTSUPP;
 			goto out;
@@ -539,11 +539,11 @@ static int sb_finish_set_opts(struct super_block *sb)
 		rc = __vfs_getxattr(root, root_inode, XATTR_NAME_SELINUX, NULL, 0);
 		if (rc < 0 && rc != -ENODATA) {
 			if (rc == -EOPNOTSUPP)
-				printk(KERN_WARNING "SELinux: (dev %s, type "
+				pr_warn("SELinux: (dev %s, type "
 				       "%s) has no security xattr handler\n",
 				       sb->s_id, sb->s_type->name);
 			else
-				printk(KERN_WARNING "SELinux: (dev %s, type "
+				pr_warn("SELinux: (dev %s, type "
 				       "%s) getxattr errno %d\n", sb->s_id,
 				       sb->s_type->name, -rc);
 			goto out;
@@ -742,7 +742,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 			goto out;
 		}
 		rc = -EINVAL;
-		printk(KERN_WARNING "SELinux: Unable to set superblock options "
+		pr_warn("SELinux: Unable to set superblock options "
 			"before the security server is initialized\n");
 		goto out;
 	}
@@ -784,7 +784,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 						 mount_options[i], &sid,
 						 GFP_KERNEL);
 		if (rc) {
-			printk(KERN_WARNING "SELinux: security_context_str_to_sid"
+			pr_warn("SELinux: security_context_str_to_sid"
 			       "(%s) failed for (dev %s, type %s) errno=%d\n",
 			       mount_options[i], sb->s_id, name, rc);
 			goto out;
@@ -860,8 +860,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 		 */
 		rc = security_fs_use(&selinux_state, sb);
 		if (rc) {
-			printk(KERN_WARNING
-				"%s: security_fs_use(%s) returned %d\n",
+			pr_warn("%s: security_fs_use(%s) returned %d\n",
 					__func__, sb->s_type->name, rc);
 			goto out;
 		}
@@ -947,7 +946,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 		if (sbsec->behavior != SECURITY_FS_USE_XATTR &&
 			sbsec->behavior != SECURITY_FS_USE_NATIVE) {
 			rc = -EINVAL;
-			printk(KERN_WARNING "SELinux: defcontext option is "
+			pr_warn("SELinux: defcontext option is "
 			       "invalid for this filesystem type\n");
 			goto out;
 		}
@@ -969,7 +968,7 @@ out:
 	return rc;
 out_double_mount:
 	rc = -EINVAL;
-	printk(KERN_WARNING "SELinux: mount invalid.  Same superblock, different "
+	pr_warn("SELinux: mount invalid.  Same superblock, different "
 	       "security settings for (dev %s, type %s)\n", sb->s_id, name);
 	goto out;
 }
@@ -998,7 +997,7 @@ static int selinux_cmp_sb_context(const struct super_block *oldsb,
 	}
 	return 0;
 mismatch:
-	printk(KERN_WARNING "SELinux: mount invalid.  Same superblock, "
+	pr_warn("SELinux: mount invalid.  Same superblock, "
 			    "different security settings for (dev %s, "
 			    "type %s)\n", newsb->s_id, newsb->s_type->name);
 	return -EBUSY;
@@ -1106,7 +1105,7 @@ static int selinux_parse_opts_str(char *options,
 		case Opt_context:
 			if (context || defcontext) {
 				rc = -EINVAL;
-				printk(KERN_WARNING SEL_MOUNT_FAIL_MSG);
+				pr_warn(SEL_MOUNT_FAIL_MSG);
 				goto out_err;
 			}
 			context = match_strdup(&args[0]);
@@ -1119,7 +1118,7 @@ static int selinux_parse_opts_str(char *options,
 		case Opt_fscontext:
 			if (fscontext) {
 				rc = -EINVAL;
-				printk(KERN_WARNING SEL_MOUNT_FAIL_MSG);
+				pr_warn(SEL_MOUNT_FAIL_MSG);
 				goto out_err;
 			}
 			fscontext = match_strdup(&args[0]);
@@ -1132,7 +1131,7 @@ static int selinux_parse_opts_str(char *options,
 		case Opt_rootcontext:
 			if (rootcontext) {
 				rc = -EINVAL;
-				printk(KERN_WARNING SEL_MOUNT_FAIL_MSG);
+				pr_warn(SEL_MOUNT_FAIL_MSG);
 				goto out_err;
 			}
 			rootcontext = match_strdup(&args[0]);
@@ -1145,7 +1144,7 @@ static int selinux_parse_opts_str(char *options,
 		case Opt_defcontext:
 			if (context || defcontext) {
 				rc = -EINVAL;
-				printk(KERN_WARNING SEL_MOUNT_FAIL_MSG);
+				pr_warn(SEL_MOUNT_FAIL_MSG);
 				goto out_err;
 			}
 			defcontext = match_strdup(&args[0]);
@@ -1158,7 +1157,7 @@ static int selinux_parse_opts_str(char *options,
 			break;
 		default:
 			rc = -EINVAL;
-			printk(KERN_WARNING "SELinux:  unknown mount option\n");
+			pr_warn("SELinux:  unknown mount option\n");
 			goto out_err;
 
 		}
@@ -1623,7 +1622,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 		dput(dentry);
 		if (rc < 0) {
 			if (rc != -ENODATA) {
-				printk(KERN_WARNING "SELinux: %s:  getxattr returned "
+				pr_warn("SELinux: %s:  getxattr returned "
 				       "%d for dev=%s ino=%ld\n", __func__,
 				       -rc, inode->i_sb->s_id, inode->i_ino);
 				kfree(context);
@@ -1643,11 +1642,11 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 
 				if (rc == -EINVAL) {
 					if (printk_ratelimit())
-						printk(KERN_NOTICE "SELinux: inode=%lu on dev=%s was found to have an invalid "
+						pr_notice("SELinux: inode=%lu on dev=%s was found to have an invalid "
 							"context=%s.  This indicates you may need to relabel the inode or the "
 							"filesystem in question.\n", ino, dev, context);
 				} else {
-					printk(KERN_WARNING "SELinux: %s:  context_to_sid(%s) "
+					pr_warn("SELinux: %s:  context_to_sid(%s) "
 					       "returned %d for dev=%s ino=%ld\n",
 					       __func__, context, -rc, dev, ino);
 				}
@@ -1785,8 +1784,7 @@ static int cred_has_capability(const struct cred *cred,
 		sclass = initns ? SECCLASS_CAPABILITY2 : SECCLASS_CAP2_USERNS;
 		break;
 	default:
-		printk(KERN_ERR
-		       "SELinux:  out of range capability %d\n", cap);
+		pr_err("SELinux:  out of range capability %d\n", cap);
 		BUG();
 		return -EINVAL;
 	}
@@ -2029,7 +2027,7 @@ static int may_link(struct inode *dir,
 		av = DIR__RMDIR;
 		break;
 	default:
-		printk(KERN_WARNING "SELinux: %s:  unrecognized kind %d\n",
+		pr_warn("SELinux: %s:  unrecognized kind %d\n",
 			__func__, kind);
 		return 0;
 	}
@@ -2875,7 +2873,7 @@ static int selinux_sb_remount(struct super_block *sb, void *data)
 						 mount_options[i], &sid,
 						 GFP_KERNEL);
 		if (rc) {
-			printk(KERN_WARNING "SELinux: security_context_str_to_sid"
+			pr_warn("SELinux: security_context_str_to_sid"
 			       "(%s) failed for (dev %s, type %s) errno=%d\n",
 			       mount_options[i], sb->s_id, sb->s_type->name, rc);
 			goto out_free_opts;
@@ -2914,7 +2912,7 @@ out_free_secdata:
 	free_secdata(secdata);
 	return rc;
 out_bad_option:
-	printk(KERN_WARNING "SELinux: unable to change security options "
+	pr_warn("SELinux: unable to change security options "
 	       "during remount (dev %s, type=%s)\n", sb->s_id,
 	       sb->s_type->name);
 	goto out_free_opts;
@@ -3357,7 +3355,7 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, const char *name,
 	rc = security_context_to_sid_force(&selinux_state, value, size,
 					   &newsid);
 	if (rc) {
-		printk(KERN_ERR "SELinux:  unable to map context to SID"
+		pr_err("SELinux:  unable to map context to SID"
 		       "for (%s, %lu), rc=%d\n",
 		       inode->i_sb->s_id, inode->i_ino, -rc);
 		return;
@@ -3862,7 +3860,7 @@ static int selinux_file_receive(struct file *file)
 	return file_has_perm(cred, file, file_to_av(file));
 }
 
-static int selinux_file_open(struct file *file, const struct cred *cred)
+static int selinux_file_open(struct file *file)
 {
 	struct file_security_struct *fsec;
 	struct inode_security_struct *isec;
@@ -3886,7 +3884,7 @@ static int selinux_file_open(struct file *file, const struct cred *cred)
 	 * new inode label or new policy.
 	 * This check is not redundant - do not remove.
 	 */
-	return file_path_has_perm(cred, file, open_file_to_av(file));
+	return file_path_has_perm(file->f_cred, file, open_file_to_av(file));
 }
 
 /* task security operations */
@@ -4073,6 +4071,20 @@ static int selinux_kernel_read_file(struct file *file,
 	return rc;
 }
 
+static int selinux_kernel_load_data(enum kernel_load_data_id id)
+{
+	int rc = 0;
+
+	switch (id) {
+	case LOADING_MODULE:
+		rc = selinux_kernel_module_from_file(NULL);
+	default:
+		break;
+	}
+
+	return rc;
+}
+
 static int selinux_task_setpgid(struct task_struct *p, pid_t pgid)
 {
 	return avc_has_perm(&selinux_state,
@@ -4420,7 +4432,7 @@ static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad,
 	}
 
 parse_error:
-	printk(KERN_WARNING
+	pr_warn(
 	       "SELinux: failure in selinux_parse_skb(),"
 	       " unable to parse packet\n");
 	return ret;
@@ -4463,7 +4475,7 @@ static int selinux_skb_peerlbl_sid(struct sk_buff *skb, u16 family, u32 *sid)
 	err = security_net_peersid_resolve(&selinux_state, nlbl_sid,
 					   nlbl_type, xfrm_sid, sid);
 	if (unlikely(err)) {
-		printk(KERN_WARNING
+		pr_warn(
 		       "SELinux: failure in selinux_skb_peerlbl_sid(),"
 		       " unable to determine packet's peer label\n");
 		return -EACCES;
@@ -6972,6 +6984,7 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
 	LSM_HOOK_INIT(kernel_act_as, selinux_kernel_act_as),
 	LSM_HOOK_INIT(kernel_create_files_as, selinux_kernel_create_files_as),
 	LSM_HOOK_INIT(kernel_module_request, selinux_kernel_module_request),
+	LSM_HOOK_INIT(kernel_load_data, selinux_kernel_load_data),
 	LSM_HOOK_INIT(kernel_read_file, selinux_kernel_read_file),
 	LSM_HOOK_INIT(task_setpgid, selinux_task_setpgid),
 	LSM_HOOK_INIT(task_getpgid, selinux_task_getpgid),
@@ -7126,11 +7139,11 @@ static __init int selinux_init(void)
 	}
 
 	if (!selinux_enabled) {
-		printk(KERN_INFO "SELinux:  Disabled at boot.\n");
+		pr_info("SELinux:  Disabled at boot.\n");
 		return 0;
 	}
 
-	printk(KERN_INFO "SELinux:  Initializing.\n");
+	pr_info("SELinux:  Initializing.\n");
 
 	memset(&selinux_state, 0, sizeof(selinux_state));
 	enforcing_set(&selinux_state, selinux_enforcing_boot);
@@ -7166,9 +7179,9 @@ static __init int selinux_init(void)
 		panic("SELinux: Unable to register AVC LSM notifier callback\n");
 
 	if (selinux_enforcing_boot)
-		printk(KERN_DEBUG "SELinux:  Starting in enforcing mode\n");
+		pr_debug("SELinux:  Starting in enforcing mode\n");
 	else
-		printk(KERN_DEBUG "SELinux:  Starting in permissive mode\n");
+		pr_debug("SELinux:  Starting in permissive mode\n");
 
 	return 0;
 }
@@ -7180,10 +7193,10 @@ static void delayed_superblock_init(struct super_block *sb, void *unused)
 
 void selinux_complete_init(void)
 {
-	printk(KERN_DEBUG "SELinux:  Completing initialization.\n");
+	pr_debug("SELinux:  Completing initialization.\n");
 
 	/* Set up any superblocks initialized prior to the policy load. */
-	printk(KERN_DEBUG "SELinux:  Setting up existing superblocks.\n");
+	pr_debug("SELinux:  Setting up existing superblocks.\n");
 	iterate_supers(delayed_superblock_init, NULL);
 }
 
@@ -7258,7 +7271,7 @@ static int __init selinux_nf_ip_init(void)
 	if (!selinux_enabled)
 		return 0;
 
-	printk(KERN_DEBUG "SELinux:  Registering netfilter hooks\n");
+	pr_debug("SELinux:  Registering netfilter hooks\n");
 
 	err = register_pernet_subsys(&selinux_net_ops);
 	if (err)
@@ -7271,7 +7284,7 @@ __initcall(selinux_nf_ip_init);
 #ifdef CONFIG_SECURITY_SELINUX_DISABLE
 static void selinux_nf_ip_exit(void)
 {
-	printk(KERN_DEBUG "SELinux:  Unregistering netfilter hooks\n");
+	pr_debug("SELinux:  Unregistering netfilter hooks\n");
 
 	unregister_pernet_subsys(&selinux_net_ops);
 }
@@ -7300,7 +7313,7 @@ int selinux_disable(struct selinux_state *state)
 
 	state->disabled = 1;
 
-	printk(KERN_INFO "SELinux:  Disabled at runtime.\n");
+	pr_info("SELinux:  Disabled at runtime.\n");
 
 	selinux_enabled = 0;