X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fvfs%2Facls.c;h=d5deb1651c6b9d3dc678cfbe75e7dacd8aaeaed0;hb=HEAD;hp=4a65be690440cad615a1b1c05c47acc494911a5b;hpb=f04f6f4d823b7df2117da9737a3f12d080b54d74;p=tpg%2Facess2.git

diff --git a/Kernel/vfs/acls.c b/Kernel/vfs/acls.c
deleted file mode 100644
index 4a65be69..00000000
--- a/Kernel/vfs/acls.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/* 
- * Acess Micro VFS
- */
-#include <acess.h>
-#include "vfs.h"
-#include "vfs_int.h"
-
-// === GLOBALS ===
-tVFS_ACL	gVFS_ACL_EveryoneRWX = { {1,-1}, {0,VFS_PERM_ALL} };
-tVFS_ACL	gVFS_ACL_EveryoneRW = { {1,-1}, {0,VFS_PERM_ALL^VFS_PERM_EXECUTE} };
-tVFS_ACL	gVFS_ACL_EveryoneRX = { {1,-1}, {0,VFS_PERM_READ|VFS_PERM_EXECUTE} };
-tVFS_ACL	gVFS_ACL_EveryoneRO = { {1,-1}, {0,VFS_PERM_READ} };
-
-// === CODE ===
-/**
- * \fn int VFS_CheckACL(tVFS_Node *Node, Uint Permissions)
- * \brief Checks the permissions on a file
- */
-int VFS_CheckACL(tVFS_Node *Node, Uint Permissions)
-{
-	 int	i;
-	 int	uid = Threads_GetUID();
-	 int	gid = Threads_GetGID();
-	
-	// Root can do anything
-	if(uid == 0)	return 1;
-	
-	// Root only file?, fast return
-	if( Node->NumACLs == 0 ) {
-		Log("VFS_CheckACL - %p inaccesable, NumACLs = 0", Node);
-		return 0;
-	}
-	
-	// Check Deny Permissions
-	for(i=0;i<Node->NumACLs;i++)
-	{
-		if(!Node->ACLs[i].Inv)	continue;	// Ignore ALLOWs
-		if(Node->ACLs[i].ID != 0x7FFFFFFF)
-		{
-			if(!Node->ACLs[i].Group && Node->ACLs[i].ID != uid)	continue;
-			if(Node->ACLs[i].Group && Node->ACLs[i].ID != gid)	continue;
-		}
-		
-		//Log("Deny %x", Node->ACLs[i].Perms);
-		
-		if(Node->ACLs[i].Perms & Permissions) {
-			Log("VFS_CheckACL - %p inaccesable, %x denied",
-				Node, Node->ACLs[i].Perms & Permissions);
-			return 0;
-		}
-	}
-	
-	// Check for allow permissions
-	for(i=0;i<Node->NumACLs;i++)
-	{
-		if(Node->ACLs[i].Inv)	continue;	// Ignore DENYs
-		if(Node->ACLs[i].ID != 0x7FFFFFFF)
-		{
-			if(!Node->ACLs[i].Group && Node->ACLs[i].ID != uid)	continue;
-			if(Node->ACLs[i].Group && Node->ACLs[i].ID != gid)	continue;
-		}
-		
-		//Log("Allow %x", Node->ACLs[i].Perms);
-		
-		if((Node->ACLs[i].Perms & Permissions) == Permissions)	return 1;
-	}
-	
-	Log("VFS_CheckACL - %p inaccesable, %x not allowed", Node, Permissions);
-	return 0;
-}
-/**
- * \fn int VFS_GetACL(int FD, tVFS_ACL *Dest)
- */
-int VFS_GetACL(int FD, tVFS_ACL *Dest)
-{
-	 int	i;
-	tVFS_Handle	*h = VFS_GetHandle(FD);
-	
-	// Error check
-	if(!h) {
-		return -1;
-	}
-	
-	// Root can do anything
-	if(Dest->Group == 0 && Dest->ID == 0) {
-		Dest->Inv = 0;
-		Dest->Perms = -1;
-		return 1;
-	}
-	
-	// Root only file?, fast return
-	if( h->Node->NumACLs == 0 ) {
-		Dest->Inv = 0;
-		Dest->Perms = 0;
-		return 0;
-	}
-	
-	// Check Deny Permissions
-	for(i=0;i<h->Node->NumACLs;i++)
-	{
-		if(h->Node->ACLs[i].Group != Dest->Group)	continue;
-		if(h->Node->ACLs[i].ID != Dest->ID)	continue;
-		
-		Dest->Inv = h->Node->ACLs[i].Inv;
-		Dest->Perms = h->Node->ACLs[i].Perms;
-		return 1;
-	}
-	
-	
-	Dest->Inv = 0;
-	Dest->Perms = 0;
-	return 0;
-}
-
-/**
- * \fn tVFS_ACL *VFS_UnixToAcessACL(Uint Mode, Uint Owner, Uint Group)
- * \brief Converts UNIX permissions to three Acess ACL entries
- */
-tVFS_ACL *VFS_UnixToAcessACL(Uint Mode, Uint Owner, Uint Group)
-{
-	tVFS_ACL	*ret = malloc(sizeof(tVFS_ACL)*3);
-	
-	// Error Check
-	if(!ret)	return NULL;
-	
-	// Owner
-	ret[0].Group = 0;	ret[0].ID = Owner;
-	ret[0].Inv = 0;		ret[0].Perms = 0;
-	if(Mode & 0400)	ret[0].Perms |= VFS_PERM_READ;
-	if(Mode & 0200)	ret[0].Perms |= VFS_PERM_WRITE;
-	if(Mode & 0100)	ret[0].Perms |= VFS_PERM_EXECUTE;
-	
-	// Group
-	ret[1].Group = 1;	ret[1].ID = Group;
-	ret[1].Inv = 0;		ret[1].Perms = 0;
-	if(Mode & 0040)	ret[1].Perms |= VFS_PERM_READ;
-	if(Mode & 0020)	ret[1].Perms |= VFS_PERM_WRITE;
-	if(Mode & 0010)	ret[1].Perms |= VFS_PERM_EXECUTE;
-	
-	// Global
-	ret[2].Group = 1;	ret[2].ID = Group;
-	ret[2].Inv = 0;		ret[2].Perms = 0;
-	if(Mode & 0004)	ret[2].Perms |= VFS_PERM_READ;
-	if(Mode & 0002)	ret[2].Perms |= VFS_PERM_WRITE;
-	if(Mode & 0001)	ret[2].Perms |= VFS_PERM_EXECUTE;
-	
-	// Return buffer
-	return ret;
-}
-
-// === EXPORTS ===
-// --- Variables ---
-EXPORTV(gVFS_ACL_EveryoneRWX);
-EXPORTV(gVFS_ACL_EveryoneRW);
-EXPORTV(gVFS_ACL_EveryoneRX);
-// --- Functions ---
-EXPORT(VFS_UnixToAcessACL);