===================================================================
RCS file: /home/cvs/OpenXM/src/kan96xx/Kan/ext.c,v
retrieving revision 1.12
retrieving revision 1.14
diff -u -p -r1.12 -r1.14
--- OpenXM/src/kan96xx/Kan/ext.c	2002/10/24 05:19:50	1.12
+++ OpenXM/src/kan96xx/Kan/ext.c	2003/07/14 12:49:52	1.14
@@ -1,4 +1,4 @@
-/* $OpenXM: OpenXM/src/kan96xx/Kan/ext.c,v 1.11 2002/08/03 03:35:40 takayama Exp $ */
+/* $OpenXM: OpenXM/src/kan96xx/Kan/ext.c,v 1.13 2002/11/10 07:00:05 takayama Exp $ */
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -14,6 +14,8 @@
 #include "plugin.h"
 #include <ctype.h>
 
+extern char **environ;
+
 #define MYCP_SIZE 100
 static int Mychildren[MYCP_SIZE];
 static int Mycp = 0;
@@ -87,7 +89,7 @@ struct object Kextension(struct object obj)
   struct object keyo;
   struct object rob = NullObject;
   struct object obj1,obj2,obj3,obj4;
-  int m,i,pid;
+  int m,i,pid, uid;
   int argListc, fdListc;
   char *abc;
   char *abc2;
@@ -203,8 +205,11 @@ struct object Kextension(struct object obj)
   }else if (strcmp(key,"forkExec")==0) {
     if (size != 4) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension.");
     obj1 = getoa(obj,1);
+	if (obj1.tag == Sdollar) {
+	  obj1 = KstringToArgv(obj1);
+	}
     if (obj1.tag != Sarray) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. array argList.");
-    obj2 = getoa(obj,2);
+	obj2 = getoa(obj,2);
     if (obj2.tag != Sarray) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. array fdList.");
     obj3 = getoa(obj,3);
     if (obj3.tag != Sinteger) errorKan1("%s\n","[(forkExec) argList fdList sigblock] extension. integer sigblock.");
@@ -255,7 +260,7 @@ struct object Kextension(struct object obj)
 	sleep(5);
         fprintf(stderr,">>>\n");
       }
-      execv(argv[0],argv);
+      execve(argv[0],argv,environ);
       /* This place will never be reached unless execv fails. */
       fprintf(stderr,"forkExec fails: ");
       for (i=0; i<argListc; i++) {
@@ -288,6 +293,18 @@ struct object Kextension(struct object obj)
   }else if (strcmp(key,"hilbert")==0) {
     if (size != 3) errorKan1("%s\n","[(hilbert) obgb obvlist] extension.");
     rob = hilberto(getoa(obj,1),getoa(obj,2));
+  }else if (strcmp(key,"nobody") == 0) {
+      uid = getuid();
+	  if (uid == 0) {
+#define NOBODY 65534
+		/* If I'm a super user, then change uid to nobody. */
+		if (setuid(NOBODY) != 0) {
+		  fprintf(stderr,"Failed to change uid to nobody (%d)\n",NOBODY);
+		  exit(10);
+		}
+		fprintf(stderr,"uid is changed to nobody (%d).\n",NOBODY);
+		rob.tag = Snull;
+	  }
   }else if (strcmp(key,"chattr")==0) {
     if (size != 3) errorKan1("%s\n","[(chattr)  num symbol] extension.");
     obj1 = getoa(obj,1);