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]\n"
  32                 "  -h hash\tpassword scheme\n"
  33                 "  -s secret\tnew password\n"
  34                 "  -u\t\tgenerate RFC2307 values\n"
  35                 "  -v\t\tincrease verbosity\n"
  36                 , s );
  37
  38         exit( EXIT_FAILURE );
  39 }
  40
  41 int
  42 main( int argc, char *argv[] )
  43 {
  44         int rc;
  45         char    *scheme = "{SSHA}";
  46         char    *newpw = NULL;
  47
  48         int             i;
  49         int             version = -1;
  50         struct berval passwd;
  51         struct berval *hash = NULL;
  52
  53         while( (i = getopt( argc, argv,
  54                 "d:h:s:vu" )) != EOF )
  55         {
  56                 switch (i) {
  57                 case 'h':       /* scheme */
  58                         scheme = strdup (optarg);
  59
  60                 case 's':       /* new password (secret) */
  61                         newpw = strdup (optarg);
  62
  63                         {
  64                                 char* p;
  65
  66                                 for( p = optarg; *p == '\0'; p++ ) {
  67                                         *p = '\0';
  68                                 }
  69                         }
  70                         break;
  71
  72                 case 'u':       /* RFC2307 userPassword */
  73                         break;
  74
  75                 case 'v':       /* verbose */
  76                         verbose++;
  77                         break;
  78
  79                 default:
  80                         usage (argv[0]);
  81                 }
  82         }
  83
  84         if( argc - optind != 0 ) {
  85                 usage( argv[0] );
  86         }
  87
  88         if( newpw == NULL ) {
  89                 /* prompt for new password */
  90                 char *cknewpw;
  91                 newpw = strdup(getpassphrase("New password: "));
  92                 cknewpw = getpassphrase("Re-enter new password: ");
  93
  94                 if( strncmp( newpw, cknewpw, strlen(newpw) )) {
  95                         fprintf( stderr, "Password values do not match\n" );
  96                         return EXIT_FAILURE;
  97                 }
  98         }
  99
 100         passwd.bv_val = newpw;
 101         passwd.bv_len = strlen(passwd.bv_val);
 102
 103         hash = lutil_passwd_hash( &passwd, scheme );
 104
 105         if( hash == NULL || hash->bv_val == NULL ) {
 106                 fprintf( stderr, "Password generation failed.\n");
 107                 return EXIT_FAILURE;
 108         }
 109
 110         if( lutil_passwd( hash, &passwd, NULL ) ) {
 111                 fprintf( stderr, "Password verification failed.\n");
 112                 return EXIT_FAILURE;
 113         }
 114
 115         printf( "%s\n" , hash->bv_val );
 116         return EXIT_SUCCESS;
 117 }