[RFC][PATCH 6/7] userspace

[Török Edwin <edwin@gurde.com>]

The makefile for the lsm module, and a test app I used to verify that 
getxattr() works properly with my lsm.

---
 Makefile         |   10 ++++++++++
 xattr_helper.cpp |   54 
++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)

diff -uprN null/Makefile fireflier_lsm/Makefile
--- null/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ fireflier_lsm/Makefile	2006-04-07 15:08:00.000000000 +0300
@@ -0,0 +1,10 @@
+obj-m += fireflier.o
+fireflier-objs := hooks.o autolabel.o sidtab.o fireflier_debug.o
+KERN = $(shell uname -r)
+#KERN = 2.6.16.1
+all: 
+	make -C /lib/modules/$(KERN)/build M=$(PWD) modules
+
+clean:
+	make -C /lib/modules/$(KERN)/build M=$(PWD) clean
+      
diff -uprN null/xattr_helper.cpp fireflier_lsm/xattr_helper.cpp
--- null/xattr_helper.cpp	1970-01-01 02:00:00.000000000 +0200
+++ fireflier_lsm/xattr_helper.cpp	2006-04-07 18:06:38.000000000 +0300
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <attr/xattr.h>
+
+void die(const char* msg)
+{
+
+   perror(msg);
+   exit(1);
+}
+
+void showArray(const char* array,ssize_t len)
+{
+   for(int i=0;i<len;i++)
+     if(array[i])
+       putchar(array[i]);
+   else putchar('\n');
+}
+
+int main(int argc,char* argv[])
+{
+
+   if(argc==2) 
+     {
+	const char* filename = argv[1];
+	ssize_t len = listxattr(filename,NULL,0);
+	if(len==-1)
+	  die("error getting list size");
+	char* list = new char[len+1];
+	if((len=listxattr(filename,list,len))==-1)
+	  die("error listing attributes names");
+	printf("List of security attributes:\n");
+	showArray(list,len);
+	delete[] list;
+     }
+   else if(argc==3) 
+     {
+	const char* filename = argv[1];
+	const char* name = argv[2];
+	ssize_t len = getxattr(filename,name,NULL,0);
+	if(len==-1)
+	  die("error getting xattr list size");
+	char* list = new char[len+1];
+	if((len = getxattr(filename,name,list,len))==-1)
+	  die("error getting xattr");
+	printf("xattr %s of %s is:",name,filename);
+	showArray(list,len);
+	delete[] list;
+     }
+   else
+     printf("Usage: %s filename [xattr_name]\n",argv[0]);   
+   return 0;
+}
-
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