linux-kernel - [PATCH 2/2] landlock: Rename "ptrace" files to "task"

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Date: Thu,  7 Mar 2024 10:39:23 +0100
From: Mickaël Salaün <mic@...ikod.net>
To: Günther Noack <gnoack@...gle.com>,
	Konstantin Meskhidze <konstantin.meskhidze@...wei.com>,
	Paul Moore <paul@...l-moore.com>
Cc: Mickaël Salaün <mic@...ikod.net>,
	"Serge E . Hallyn" <serge@...lyn.com>,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org
Subject: [PATCH 2/2] landlock: Rename "ptrace" files to "task"

ptrace.[ch] are currently only used for the ptrace LSM hooks but their
scope will expand with IPCs and audit support.  Rename ptrace.[ch] to
task.[ch], which better reflect their content.  Similarly, rename
landlock_add_ptrace_hooks() to landlock_add_task_hooks().  Keep header
files for now.

Cc: Günther Noack <gnoack@...gle.com>
Cc: Paul Moore <paul@...l-moore.com>
Signed-off-by: Mickaël Salaün <mic@...ikod.net>
---
 security/landlock/Makefile             | 2 +-
 security/landlock/setup.c              | 4 ++--
 security/landlock/{ptrace.c => task.c} | 4 ++--
 security/landlock/{ptrace.h => task.h} | 8 ++++----
 4 files changed, 9 insertions(+), 9 deletions(-)
 rename security/landlock/{ptrace.c => task.c} (98%)
 rename security/landlock/{ptrace.h => task.h} (52%)

diff --git a/security/landlock/Makefile b/security/landlock/Makefile
index c2e116f2a299..b4538b7cf7d2 100644
--- a/security/landlock/Makefile
+++ b/security/landlock/Makefile
@@ -1,6 +1,6 @@
 obj-$(CONFIG_SECURITY_LANDLOCK) := landlock.o
 
 landlock-y := setup.o syscalls.o object.o ruleset.o \
-	cred.o ptrace.o fs.o
+	cred.o task.o fs.o
 
 landlock-$(CONFIG_INET) += net.o
diff --git a/security/landlock/setup.c b/security/landlock/setup.c
index f6dd33143b7f..28519a45b11f 100644
--- a/security/landlock/setup.c
+++ b/security/landlock/setup.c
@@ -14,8 +14,8 @@
 #include "cred.h"
 #include "fs.h"
 #include "net.h"
-#include "ptrace.h"
 #include "setup.h"
+#include "task.h"
 
 bool landlock_initialized __ro_after_init = false;
 
@@ -34,7 +34,7 @@ const struct lsm_id landlock_lsmid = {
 static int __init landlock_init(void)
 {
 	landlock_add_cred_hooks();
-	landlock_add_ptrace_hooks();
+	landlock_add_task_hooks();
 	landlock_add_fs_hooks();
 	landlock_add_net_hooks();
 	landlock_initialized = true;
diff --git a/security/landlock/ptrace.c b/security/landlock/task.c
similarity index 98%
rename from security/landlock/ptrace.c
rename to security/landlock/task.c
index 2bfc533d36e4..849f5123610b 100644
--- a/security/landlock/ptrace.c
+++ b/security/landlock/task.c
@@ -16,9 +16,9 @@
 
 #include "common.h"
 #include "cred.h"
-#include "ptrace.h"
 #include "ruleset.h"
 #include "setup.h"
+#include "task.h"
 
 /**
  * domain_scope_le - Checks domain ordering for scoped ptrace
@@ -113,7 +113,7 @@ static struct security_hook_list landlock_hooks[] __ro_after_init = {
 	LSM_HOOK_INIT(ptrace_traceme, hook_ptrace_traceme),
 };
 
-__init void landlock_add_ptrace_hooks(void)
+__init void landlock_add_task_hooks(void)
 {
 	security_add_hooks(landlock_hooks, ARRAY_SIZE(landlock_hooks),
 			   &landlock_lsmid);
diff --git a/security/landlock/ptrace.h b/security/landlock/task.h
similarity index 52%
rename from security/landlock/ptrace.h
rename to security/landlock/task.h
index 265b220ae3bf..7c00360219a2 100644
--- a/security/landlock/ptrace.h
+++ b/security/landlock/task.h
@@ -6,9 +6,9 @@
  * Copyright © 2019 ANSSI
  */
 
-#ifndef _SECURITY_LANDLOCK_PTRACE_H
-#define _SECURITY_LANDLOCK_PTRACE_H
+#ifndef _SECURITY_LANDLOCK_TASK_H
+#define _SECURITY_LANDLOCK_TASK_H
 
-__init void landlock_add_ptrace_hooks(void);
+__init void landlock_add_task_hooks(void);
 
-#endif /* _SECURITY_LANDLOCK_PTRACE_H */
+#endif /* _SECURITY_LANDLOCK_TASK_H */
-- 
2.44.0