git.sur5r.net Git - openldap/blob - servers/slapd/tools/slappasswd.c

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6
   7 #include "portable.h"
   8
   9 #include <stdio.h>
  10
  11 #include <ac/stdlib.h>
  12
  13 #include <ac/ctype.h>
  14 #include <ac/signal.h>
  15 #include <ac/socket.h>
  16 #include <ac/string.h>
  17 #include <ac/time.h>
  18 #include <ac/unistd.h>
  19
  20 #include <ldap.h>
  21 #include <lutil.h>
  22
  23 #include "ldap_defaults.h"
  24
  25 static int      verbose = 0;
  26
  27 static void
  28 usage(const char *s)
  29 {
  30         fprintf(stderr,
  31                 "Usage: %s [options] dn\n"
  32                 "  -h hash\tpassword scheme\n"
  33                 "  -s secret\tnew password\n"
  34                 "  -v\t\tincrease verbosity\n"
  35                 , s );
  36
  37         exit( EXIT_FAILURE );
  38 }
  39
  40 int
  41 main( int argc, char *argv[] )
  42 {
  43         int rc;
  44         char    *scheme = "{SSHA}";
  45         char    *newpw = NULL;
  46
  47         int             i;
  48         int             version = -1;
  49         struct berval passwd;
  50         struct berval *hash = NULL;
  51
  52         if (argc == 1)
  53                 usage (argv[0]);
  54
  55         while( (i = getopt( argc, argv,
  56                 "d:h:s:v" )) != EOF )
  57         {
  58                 switch (i) {
  59                 case 'h':       /* scheme */
  60                         scheme = strdup (optarg);
  61
  62                 case 's':       /* new password (secret) */
  63                         newpw = strdup (optarg);
  64
  65                         {
  66                                 char* p;
  67
  68                                 for( p = optarg; *p == '\0'; p++ ) {
  69                                         *p = '*';
  70                                 }
  71                         }
  72                         break;
  73
  74                 case 'v':       /* verbose */
  75                         verbose++;
  76                         break;
  77
  78                 default:
  79                         usage (argv[0]);
  80                 }
  81         }
  82
  83         if( argc - optind != 0 ) {
  84                 usage( argv[0] );
  85         }
  86
  87         if( newpw == NULL ) {
  88                 /* prompt for new password */
  89                 char *cknewpw;
  90                 newpw = strdup(getpass("New password: "));
  91                 cknewpw = getpass("Re-enter new password: ");
  92
  93                 if( strncmp( newpw, cknewpw, strlen(newpw) )) {
  94                         fprintf( stderr, "passwords do not match\n" );
  95                         return EXIT_FAILURE;
  96                 }
  97         }
  98
  99         passwd.bv_val = newpw;
 100         passwd.bv_len = strlen(passwd.bv_val);
 101
 102         hash = lutil_passwd_hash( &passwd, scheme );
 103
 104         if( hash == NULL || hash->bv_val == NULL ) {
 105                 fprintf( stderr, "Password generation failed.\n");
 106                 return EXIT_FAILURE;
 107         }
 108
 109         if( lutil_passwd( hash, &passwd, NULL ) ) {
 110                 fprintf( stderr, "Password verificaiton failed.\n");
 111                 return EXIT_FAILURE;
 112         }
 113
 114         printf( "%s\n" , hash->bv_val );
 115         return EXIT_SUCCESS;
 116 }