From 2c4fee4a82f61f11486cc36b4766f8e1da3a636c Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Sat, 8 Aug 2026 01:41:48 +0300
Subject: [PATCH] Kernel: Expose Inode::can_access as static member

---
 kernel/include/kernel/FS/Inode.h |  1 +
 kernel/kernel/FS/Inode.cpp       | 27 ++++++++++++++++-----------
 2 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/kernel/include/kernel/FS/Inode.h b/kernel/include/kernel/FS/Inode.h
index 83063a81..94367a1b 100644
--- a/kernel/include/kernel/FS/Inode.h
+++ b/kernel/include/kernel/FS/Inode.h
@@ -83,6 +83,7 @@ namespace Kernel
 	public:
 		virtual ~Inode() {}
 
+		static bool can_access(uid_t uid, gid_t gid, mode_t mode, const Credentials& credentials, int);
 		bool can_access(const Credentials&, int) const;
 
 		bool operator==(const Inode& other) const { return dev() == other.dev() && ino() == other.ino(); }
diff --git a/kernel/kernel/FS/Inode.cpp b/kernel/kernel/FS/Inode.cpp
index 4a31c03a..69d2a2f3 100644
--- a/kernel/kernel/FS/Inode.cpp
+++ b/kernel/kernel/FS/Inode.cpp
@@ -11,18 +11,18 @@
 namespace Kernel
 {
 
-	bool Inode::can_access(const Credentials& credentials, int flags) const
+	bool Inode::can_access(uid_t uid, gid_t gid, mode_t mode, const Credentials& credentials, int flags)
 	{
 		if (credentials.is_superuser())
 			return true;
 
 		if (flags & O_RDONLY)
 		{
-			if (mode().mode & S_IROTH)
+			if (mode & S_IROTH)
 			{ }
-			else if ((mode().mode & S_IRUSR) && credentials.euid() == uid())
+			else if ((mode & S_IRUSR) && credentials.euid() == uid)
 			{ }
-			else if ((mode().mode & S_IRGRP) && credentials.has_egid(gid()))
+			else if ((mode & S_IRGRP) && credentials.has_egid(gid))
 			{ }
 			else
 			{
@@ -32,11 +32,11 @@ namespace Kernel
 
 		if (flags & O_WRONLY)
 		{
-			if (mode().mode & S_IWOTH)
+			if (mode & S_IWOTH)
 			{ }
-			else if ((mode().mode & S_IWUSR) && credentials.euid() == uid())
+			else if ((mode & S_IWUSR) && credentials.euid() == uid)
 			{ }
-			else if ((mode().mode & S_IWGRP) && credentials.has_egid(gid()))
+			else if ((mode & S_IWGRP) && credentials.has_egid(gid))
 			{ }
 			else
 			{
@@ -44,13 +44,13 @@ namespace Kernel
 			}
 		}
 
-		if ((flags & O_EXEC) || (mode().ifdir() && (flags & O_SEARCH)))
+		if ((flags & O_EXEC) || (Mode { mode }.ifdir() && (flags & O_SEARCH)))
 		{
-			if (mode().mode & S_IXOTH)
+			if (mode & S_IXOTH)
 			{ }
-			else if ((mode().mode & S_IXUSR) && credentials.euid() == uid())
+			else if ((mode & S_IXUSR) && credentials.euid() == uid)
 			{ }
-			else if ((mode().mode & S_IXGRP) && credentials.has_egid(gid()))
+			else if ((mode & S_IXGRP) && credentials.has_egid(gid))
 			{ }
 			else
 			{
@@ -61,6 +61,11 @@ namespace Kernel
 		return true;
 	}
 
+	bool Inode::can_access(const Credentials& credentials, int flags) const
+	{
+		return can_access(uid(), gid(), mode().mode, credentials, flags);
+	}
+
 	BAN::ErrorOr<BAN::RefPtr<Inode>> Inode::find_inode(BAN::StringView name)
 	{
 		if (!mode().ifdir())