Subversion Repositories wimsdev

Rev

Rev 11128 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | RSS feed

  1. /*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
  2.  *
  3.  *  This program is free software; you can redistribute it and/or modify
  4.  *  it under the terms of the GNU General Public License as published by
  5.  *  the Free Software Foundation; either version 2 of the License, or
  6.  *  (at your option) any later version.
  7.  *
  8.  *  This program is distributed in the hope that it will be useful,
  9.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11.  *  GNU General Public License for more details.
  12.  *
  13.  *  You should have received a copy of the GNU General Public License
  14.  *  along with this program; if not, write to the Free Software
  15.  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16.  */
  17.  
  18.         /* Wrap uid and exec */
  19.  
  20. #include <unistd.h>
  21. #include <string.h>
  22.  
  23. int main(int argc,char *argv[])
  24. {
  25.     char *args[1024];
  26.     int i, uid1, uid2, gid1, gid2;
  27.    
  28.     if(argc<2) return 0;
  29.     for(i=0;i<1000 && i<argc; i++) args[i]=argv[i+1];
  30.     args[i]=NULL;
  31.     uid1=geteuid(); uid2=getuid(); gid1=getegid(); gid2=getgid();
  32.     if(strchr(args[0],'/')) {
  33.         setreuid(uid1,uid2); setregid(gid1,gid2);
  34.         execv(args[0],args);
  35.     }
  36.     else {
  37.         setreuid(uid1,uid1); setregid(gid1,gid1);
  38.         execvp(args[0],args);
  39.     }
  40.     return 127;
  41. }
  42.  
  43.