move all security policy stuff out of userspace

[nestedvm.git] / src / org / ibex / nestedvm / Runtime.java

diff --git a/src/org/ibex/nestedvm/Runtime.java b/src/org/ibex/nestedvm/Runtime.java
index 0c40bc9..1065693 100644 (file)
--- a/src/org/ibex/nestedvm/Runtime.java
+++ b/src/org/ibex/nestedvm/Runtime.java
@@ -978,7 +978,7 @@ public abstract class Runtime implements UsermodeConstants,Registers,Cloneable {
     void exit(int status, boolean fromSignal) {
         if(fromSignal && fds[2] != null) {
             try {
-                byte[] msg = getBytes("Process exited on signal " + (status - 128));
+                byte[] msg = getBytes("Process exited on signal " + (status - 128) + "\n");
                 fds[2].write(msg,0,msg.length);
             } catch(ErrnoException e) { }
         }
@@ -1061,6 +1061,10 @@ public abstract class Runtime implements UsermodeConstants,Registers,Cloneable {
             case SYS_getpagesize: return sys_getpagesize();
             case SYS_fcntl: return sys_fcntl(a,b,c);
             case SYS_sysconf: return sys_sysconf(a);
+            case SYS_getuid: return sys_getuid();
+            case SYS_geteuid: return sys_geteuid();
+            case SYS_getgid: return sys_getgid();
+            case SYS_getegid: return sys_getegid();
             
             case SYS_memcpy: memcpy(a,b,c); return a;
             case SYS_memset: memset(a,b,c); return a;
@@ -1082,6 +1086,11 @@ public abstract class Runtime implements UsermodeConstants,Registers,Cloneable {
         }
     }
     
+    private int sys_getuid() { return 0; }
+    private int sys_geteuid() { return 0; }
+    private int sys_getgid() { return 0; }
+    private int sys_getegid() { return 0; }
+    
     public int xmalloc(int size) { int p=malloc(size); if(p==0) throw new RuntimeException("malloc() failed"); return p; }
     public int xrealloc(int addr,int newsize) { int p=realloc(addr,newsize); if(p==0) throw new RuntimeException("realloc() failed"); return p; }
     public int realloc(int addr, int newsize) { try { return call("realloc",addr,newsize); } catch(CallException e) { return 0; } }