[Password Generation] Start using pronouncable passwords

third_party/fips181/randpass.cc

 /*
 ** Copyright (c) 1999, 2000, 2001, 2002, 2003
 ** Adel I. Mirzazhanov. All rights reserved
 **
 ** Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions
 ** are met:
 ** 
 **     1.Redistributions of source code must retain the above copyright notice,
 **       this list of conditions and the following disclaimer. 
@@ skipping 16 matching lines @@
 ** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 /*
 ** randpass.c - Random password generation module of PWGEN program
 */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
-#if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32) && !defined(__WIN32__)
-#include <pwd.h>
-#endif
-#include <unistd.h>
+
+#include "base/rand_util.h"
+#include "owntypes.h"
 #include "randpass.h"
-
-#include "owntypes.h"
 #include "smbl.h"
 
 /*
 ** gen_rand_pass - generates random password of specified type
 ** INPUT:
 **   char * - password string.
 **   int    - minimum password length.
 **   int    - maximum password length.
 **   unsigned int - password generation mode.
 ** OUTPUT:
 **   int - password length or -1 on error.
 ** NOTES:
 **   none.
 */
 int
 gen_rand_pass (char *password_string, int minl, int maxl, unsigned int pass_mode)
 {
   int i = 0;
   int j = 0;
   int length = 0;
   char *str_pointer;
   int random_weight[94];
   int max_weight = 0;
   int max_weight_element_number = 0;
 
   if (minl > APG_MAX_PASSWORD_LENGTH || maxl > APG_MAX_PASSWORD_LENGTH ||
       minl < 1 || maxl < 1 || minl > maxl)
       return (-1);
-  for (i = 0; i <= 93; i++) random_weight[i] = 0; 
-  length = minl + randint(maxl-minl+1);
+  for (i = 0; i <= 93; i++) random_weight[i] = 0;
+  length = base::RandInt(minl, maxl);
   str_pointer = password_string;
 
   for (i = 0; i < length; i++)
     {
 /* Asign random weight in weight array if mode is present*/
       for (j = 0; j <= 93 ; j++)
          if ( ( (pass_mode & smbl[j].type) > 0) &&
              !( (S_RS & smbl[j].type) > 0))
-            random_weight[j] = 1 + randint(20000);
+           random_weight[j] = base::RandInt(1, 20000);
       j = 0;
 /* Find an element with maximum weight */
       for (j = 0; j <= 93; j++)
         if (random_weight[j] > max_weight)
           {
             max_weight = random_weight[j];
             max_weight_element_number = j;
           }
 /* Get password symbol */
       *str_pointer = smbl[max_weight_element_number].ch;
@@ skipping 25 matching lines @@
   int max_weight = 0;
   int max_weight_element_number = 0;
 
   for (j = 0; j <= 93; j++) random_weight[j] = 0; 
   str_pointer = symbol;
   j = 0;
 /* Asign random weight in weight array if mode is present*/
   for (j = 0; j <= 93 ; j++)
      if ( ( (mode & smbl[j].type) > 0) &&
          !( (S_RS & smbl[j].type) > 0))
-           random_weight[j] = 1 + randint(20000);
+          random_weight[j] = base::RandInt(1, 20000);
   j = 0;
 /* Find an element with maximum weight */
   for (j = 0; j <= 93; j++)
      if (random_weight[j] > max_weight)
        {
         max_weight = random_weight[j];
         max_weight_element_number = j;
        }
 /* Get password symbol */
   *str_pointer = smbl[max_weight_element_number].ch;
@@ skipping 15 matching lines @@
 int
 is_restricted_symbol (char symbol)
 {
   int j = 0;
   for (j = 0; j <= 93 ; j++)
     if (symbol == smbl[j].ch)
       if ((S_RS & smbl[j].type) > 0)
         return(1);
   return(0);
 }