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  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.         /* Crypt password as in /etc/shadow */
  19.  
  20. #define MAX_LINELEN 1024
  21.  
  22. #include <stdio.h>
  23. #include <stdlib.h>
  24. #include <string.h>
  25. #include <unistd.h>
  26. #include <sys/types.h>
  27. #include <ctype.h>
  28. #include "../config.h"
  29. #ifdef HAVE_SYS_TIME_H
  30.  #include <sys/time.h>
  31. #endif
  32. #ifdef HAVE_CRYPT
  33.  #include <crypt.h>
  34. #endif
  35.  
  36. int salt;
  37. char schar[]="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./";
  38.  
  39. void pcrypt(char *p)
  40. {
  41. #ifdef HAVE_CRYPT
  42.     char saltstr[4];
  43.     char *pp, buf[MAX_LINELEN+1];
  44.     saltstr[0]=schar[salt%64];
  45.     saltstr[1]=schar[(salt/64)%64];
  46.     saltstr[2]=0;
  47.     while(isspace(*p)) p++;
  48.     for(pp=p+strlen(p); pp>p && isspace(*(pp-1)); pp--); *pp=0;
  49.     snprintf(buf,sizeof(buf),"%s",crypt(p,saltstr));
  50.     strcpy(p,buf);
  51. #endif
  52. }
  53.  
  54. int main(int argc,char *argv[])
  55. {
  56.     int salt1;
  57.     char p[MAX_LINELEN+1];
  58.  
  59. #ifdef HAVE_GETTIMEOFDAY
  60.     struct timeval tv;
  61.     gettimeofday(&tv,NULL); salt1=tv.tv_sec+tv.tv_usec;
  62. #else
  63.     salt1=3219;
  64. #endif
  65.     if(argc<1) return 1;
  66.     srandom(salt1+getpid());
  67.     salt=random()/101;
  68.     snprintf(p,sizeof(p),"%s",argv[1]);
  69.     pcrypt(p); printf("%s\n",p);
  70.    
  71.     return 0;
  72. }
  73.  
  74.