cups/auth.c

   1 /*
   2  * "$Id: auth.c 7720 2008-07-11 22:46:21Z mike $"
   3  *
   4  *   Authentication functions for the Common UNIX Printing System (CUPS).
   5  *
   6  *   Copyright 2007-2008 by Apple Inc.
   7  *   Copyright 1997-2007 by Easy Software Products.
   8  *
   9  *   This file contains Kerberos support code, copyright 2006 by
  10  *   Jelmer Vernooij.
  11  *
  12  *   These coded instructions, statements, and computer programs are the
  13  *   property of Apple Inc. and are protected by Federal copyright
  14  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  15  *   which should have been included with this file.  If this file is
  16  *   file is missing or damaged, see the license at "http://www.cups.org/".
  17  *
  18  *   This file is subject to the Apple OS-Developed Software exception.
  19  *
  20  * Contents:
  21  *
  22  *   cupsDoAuthentication() - Authenticate a request.
  23  *   DEBUG_gss_printf()     - Show debug error messages from GSSAPI...
  24  *   cups_get_gss_creds()   - Get CUPS service credentials for authentication.
  25  *   cups_local_auth()      - Get the local authorization certificate if
  26  *                            available/applicable...
  27  */
  28
  29 /*
  30  * Include necessary headers...
  31  */
  32
  33 #include "globals.h"
  34 #include "debug.h"
  35 #include <stdlib.h>
  36 #include <ctype.h>
  37 #include <errno.h>
  38 #include <fcntl.h>
  39 #include <sys/stat.h>
  40 #if defined(WIN32) || defined(__EMX__)
  41 #  include <io.h>
  42 #else
  43 #  include <unistd.h>
  44 #endif /* WIN32 || __EMX__ */
  45
  46 #if HAVE_AUTHORIZATION_H
  47 #  include <Security/Authorization.h>
  48 #  ifdef HAVE_SECBASEPRIV_H
  49 #    include <Security/SecBasePriv.h>
  50 #  else
  51 extern const char *cssmErrorString(int error);
  52 #  endif /* HAVE_SECBASEPRIV_H */
  53 #endif /* HAVE_AUTHORIZATION_H */
  54
  55 #if defined(SO_PEERCRED) && defined(AF_LOCAL)
  56 #  include <pwd.h>
  57 #endif /* SO_PEERCRED && AF_LOCAL */
  58
  59
  60 /*
  61  * Local functions...
  62  */
  63
  64 #ifdef HAVE_GSSAPI
  65 #  ifdef DEBUG
  66 static void     DEBUG_gss_printf(OM_uint32 major_status, OM_uint32 minor_status,
  67                                  const char *message);
  68 #  else
  69 #    define DEBUG_gss_printf(major, minor, message)
  70 #  endif /* DEBUG  */
  71 static gss_name_t cups_get_gss_creds(http_t *http, const char *service_name);
  72 #endif /* HAVE_GSSAPI */
  73 static int      cups_local_auth(http_t *http);
  74
  75
  76 /*
  77  * 'cupsDoAuthentication()' - Authenticate a request.
  78  *
  79  * This function should be called in response to a @code HTTP_UNAUTHORIZED@
  80  * status, prior to resubmitting your request.
  81  *
  82  * @since CUPS 1.1.20@
  83  */
  84
  85 int                                     /* O - 0 on success, -1 on error */
  86 cupsDoAuthentication(http_t     *http,  /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
  87                      const char *method,/* I - Request method ("GET", "POST", "PUT") */
  88                      const char *resource)
  89                                         /* I - Resource path */
  90 {
  91   const char    *password;              /* Password string */
  92   char          prompt[1024],           /* Prompt for user */
  93                 realm[HTTP_MAX_VALUE],  /* realm="xyz" string */
  94                 nonce[HTTP_MAX_VALUE];  /* nonce="xyz" string */
  95   int           localauth;              /* Local authentication result */
  96   _cups_globals_t *cg;                  /* Global data */
  97
  98
  99   DEBUG_printf(("cupsDoAuthentication(http=%p, method=\"%s\", resource=\"%s\")\n",
 100                 http, method, resource));
 101   DEBUG_printf(("cupsDoAuthentication: digest_tries=%d, userpass=\"%s\"\n",
 102                 http->digest_tries, http->userpass));
 103   DEBUG_printf(("cupsDoAuthentication: WWW-Authenticate=\"%s\"\n",
 104                 httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE)));
 105
 106  /*
 107   * Clear the current authentication string...
 108   */
 109
 110   httpSetAuthString(http, NULL, NULL);
 111
 112  /*
 113   * See if we can do local authentication...
 114   */
 115
 116   if (http->digest_tries < 3)
 117   {
 118     if ((localauth = cups_local_auth(http)) == 0)
 119     {
 120       DEBUG_printf(("cupsDoAuthentication: authstring=\"%s\"\n",
 121                     http->authstring));
 122
 123       if (http->status == HTTP_UNAUTHORIZED)
 124         http->digest_tries ++;
 125
 126       return (0);
 127     }
 128     else if (localauth == -1)
 129       return (-1);                      /* Error or canceled */
 130   }
 131
 132  /*
 133   * Nope, see if we should retry the current username:password...
 134   */
 135
 136   if ((http->digest_tries > 1 || !http->userpass[0]) &&
 137       strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Negotiate", 9))
 138   {
 139    /*
 140     * Nope - get a new password from the user...
 141     */
 142
 143     cg = _cupsGlobals();
 144
 145     if (!cg->lang_default)
 146       cg->lang_default = cupsLangDefault();
 147
 148     snprintf(prompt, sizeof(prompt),
 149              _cupsLangString(cg->lang_default, _("Password for %s on %s? ")),
 150              cupsUser(),
 151              http->hostname[0] == '/' ? "localhost" : http->hostname);
 152
 153     http->digest_tries  = strncasecmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE],
 154                                       "Digest", 5) != 0;
 155     http->userpass[0]   = '\0';
 156
 157     if ((password = cupsGetPassword(prompt)) == NULL)
 158       return (-1);
 159
 160     if (!password[0])
 161       return (-1);
 162
 163     snprintf(http->userpass, sizeof(http->userpass), "%s:%s", cupsUser(),
 164              password);
 165   }
 166   else if (http->status == HTTP_UNAUTHORIZED)
 167     http->digest_tries ++;
 168
 169  /*
 170   * Got a password; encode it for the server...
 171   */
 172
 173   if (!strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Negotiate", 9))
 174   {
 175 #ifdef HAVE_GSSAPI
 176    /*
 177     * Kerberos authentication...
 178     */
 179
 180     OM_uint32           minor_status,   /* Minor status code */
 181                         major_status;   /* Major status code */
 182     gss_buffer_desc     output_token = GSS_C_EMPTY_BUFFER,
 183                                         /* Output token */
 184                         input_token = GSS_C_EMPTY_BUFFER;
 185                                         /* Input token */
 186     char                *gss_service_name;
 187                                         /* GSS service name */
 188 #  ifdef USE_SPNEGO
 189     const char          *authorization;
 190                                         /* Pointer into Authorization string */
 191 #  endif /* USE_SPNEGO */
 192
 193
 194 #  ifdef __APPLE__
 195    /*
 196     * If the weak-linked GSSAPI/Kerberos library is not present, don't try
 197     * to use it...
 198     */
 199
 200     if (gss_init_sec_context == NULL)
 201     {
 202       DEBUG_puts("cupsDoAuthentication: Weak-linked GSSAPI/Kerberos framework "
 203                  "is not present");
 204       return (-1);
 205     }
 206 #  endif /* __APPLE__ */
 207
 208     if (http->status == HTTP_UNAUTHORIZED && http->digest_tries >= 3)
 209     {
 210       DEBUG_printf(("cupsDoAuthentication: too many Negotiate tries (%d)\n",
 211                     http->digest_tries));
 212
 213       return (-1);
 214     }
 215
 216     if (http->gssname == GSS_C_NO_NAME)
 217     {
 218       if ((gss_service_name = getenv("CUPS_GSSSERVICENAME")) == NULL)
 219         gss_service_name = CUPS_DEFAULT_GSSSERVICENAME;
 220       else
 221         DEBUG_puts("cupsDoAuthentication: GSS service name set via environment");
 222
 223       http->gssname = cups_get_gss_creds(http, gss_service_name);
 224     }
 225
 226 #  ifdef USE_SPNEGO /* We don't implement SPNEGO just yet... */
 227    /*
 228     * Find the start of the Kerberos input token...
 229     */
 230
 231     authorization = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
 232
 233     authorization += 9;
 234     while (*authorization && isspace(*authorization & 255))
 235       authorization ++;
 236
 237     if (*authorization)
 238     {
 239      /*
 240       * Decode the authorization string to get the input token...
 241       */
 242
 243       int len = strlen(authorization);
 244
 245       input_token.value  = malloc(len);
 246       input_token.value  = httpDecode64_2(input_token.value, &len,
 247                                           authorization);
 248       input_token.length = len;
 249
 250 #    ifdef DEBUG
 251       {
 252         char *ptr = (char *)input_token.value;
 253         int left = len;
 254
 255         fputs("input_token=", stdout);
 256         while (left > 0)
 257         {
 258           if (*ptr < ' ')
 259             printf("\\%03o", *ptr & 255);
 260           else
 261             putchar(*ptr);
 262           ptr ++;
 263           left --;
 264         }
 265         putchar('\n');
 266       }
 267 #    endif /* DEBUG */
 268     }
 269 #  endif /* USE_SPNEGO */
 270
 271     if (http->gssctx != GSS_C_NO_CONTEXT)
 272     {
 273       gss_delete_sec_context(&minor_status, &http->gssctx, GSS_C_NO_BUFFER);
 274       http->gssctx = GSS_C_NO_CONTEXT;
 275     }
 276
 277     major_status  = gss_init_sec_context(&minor_status, GSS_C_NO_CREDENTIAL,
 278                                          &http->gssctx,
 279                                          http->gssname, http->gssmech,
 280                                          GSS_C_DELEG_FLAG | GSS_C_MUTUAL_FLAG |
 281                                              GSS_C_INTEG_FLAG,
 282                                          GSS_C_INDEFINITE,
 283                                          GSS_C_NO_CHANNEL_BINDINGS,
 284                                          &input_token, &http->gssmech,
 285                                          &output_token, NULL, NULL);
 286
 287     if (input_token.value)
 288       free(input_token.value);
 289
 290     if (GSS_ERROR(major_status))
 291     {
 292 #  ifdef DEBUG
 293       DEBUG_gss_printf(major_status, minor_status,
 294                        "Unable to initialize security context");
 295 #  endif /* DEBUG */
 296       return (-1);
 297     }
 298
 299     if (major_status == GSS_S_CONTINUE_NEEDED)
 300       DEBUG_gss_printf(major_status, minor_status, "Continuation needed!");
 301
 302     if (output_token.length > 0 && output_token.length <= 65536)
 303     {
 304      /*
 305       * Allocate the authorization string since Windows KDCs can have
 306       * arbitrarily large credentials...
 307       */
 308
 309       int authsize = 10 +                               /* "Negotiate " */
 310                      output_token.length * 4 / 3 + 1 +  /* Base64 */
 311                      1;                                 /* nul */
 312
 313       httpSetAuthString(http, NULL, NULL);
 314
 315       if ((http->authstring = malloc(authsize)) == NULL)
 316       {
 317         http->authstring = http->_authstring;
 318         authsize         = sizeof(http->_authstring);
 319       }
 320
 321       strcpy(http->authstring, "Negotiate ");
 322       httpEncode64_2(http->authstring + 10, authsize - 10, output_token.value,
 323                      output_token.length);
 324
 325       gss_release_buffer(&minor_status, &output_token);
 326     }
 327     else
 328     {
 329       DEBUG_printf(("cupsDoAuthentication: Kerberos credentials too large - "
 330                     "%d bytes!\n", (int)output_token.length));
 331
 332       gss_release_buffer(&minor_status, &output_token);
 333
 334       return (-1);
 335     }
 336 #endif /* HAVE_GSSAPI */
 337   }
 338   else if (strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Digest", 6))
 339   {
 340    /*
 341     * Basic authentication...
 342     */
 343
 344     char        encode[256];            /* Base64 buffer */
 345
 346
 347     httpEncode64_2(encode, sizeof(encode), http->userpass,
 348                    (int)strlen(http->userpass));
 349     httpSetAuthString(http, "Basic", encode);
 350   }
 351   else
 352   {
 353    /*
 354     * Digest authentication...
 355     */
 356
 357     char        encode[33],             /* MD5 buffer */
 358                 digest[1024];           /* Digest auth data */
 359
 360
 361     httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "realm", realm);
 362     httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "nonce", nonce);
 363
 364     httpMD5(cupsUser(), realm, strchr(http->userpass, ':') + 1, encode);
 365     httpMD5Final(nonce, method, resource, encode);
 366     snprintf(digest, sizeof(digest),
 367              "username=\"%s\", realm=\"%s\", nonce=\"%s\", uri=\"%s\", "
 368              "response=\"%s\"", cupsUser(), realm, nonce, resource, encode);
 369     httpSetAuthString(http, "Digest", digest);
 370   }
 371
 372   DEBUG_printf(("cupsDoAuthentication: authstring=\"%s\"\n", http->authstring));
 373
 374   return (0);
 375 }
 376
 377
 378 #ifdef HAVE_GSSAPI
 379 #  ifdef DEBUG
 380 /*
 381  * 'DEBUG_gss_printf()' - Show debug error messages from GSSAPI...
 382  */
 383
 384 static void
 385 DEBUG_gss_printf(OM_uint32 major_status,/* I - Major status code */
 386                  OM_uint32 minor_status,/* I - Minor status code */
 387                  const char *message)   /* I - Prefix for error message */
 388 {
 389   OM_uint32     err_major_status,       /* Major status code for display */
 390                 err_minor_status;       /* Minor status code for display */
 391   OM_uint32     msg_ctx;                /* Message context */
 392   gss_buffer_desc major_status_string = GSS_C_EMPTY_BUFFER,
 393                                         /* Major status message */
 394                 minor_status_string = GSS_C_EMPTY_BUFFER;
 395                                         /* Minor status message */
 396
 397
 398   msg_ctx          = 0;
 399   err_major_status = gss_display_status(&err_minor_status,
 400                                         major_status,
 401                                         GSS_C_GSS_CODE,
 402                                         GSS_C_NO_OID,
 403                                         &msg_ctx,
 404                                         &major_status_string);
 405
 406   if (!GSS_ERROR(err_major_status))
 407     gss_display_status(&err_minor_status, minor_status, GSS_C_MECH_CODE,
 408                        GSS_C_NULL_OID, &msg_ctx, &minor_status_string);
 409
 410   printf("%s: %s, %s\n", message, (char *)major_status_string.value,
 411          (char *)minor_status_string.value);
 412
 413   gss_release_buffer(&err_minor_status, &major_status_string);
 414   gss_release_buffer(&err_minor_status, &minor_status_string);
 415 }
 416 #  endif /* DEBUG */
 417
 418
 419 /*
 420  * 'cups_get_gss_creds()' - Get CUPS service credentials for authentication.
 421  */
 422
 423 static gss_name_t                       /* O - Server name */
 424 cups_get_gss_creds(
 425     http_t     *http,                   /* I - Connection to server */
 426     const char *service_name)           /* I - Service name */
 427 {
 428   gss_buffer_desc token = GSS_C_EMPTY_BUFFER;
 429                                         /* Service token */
 430   OM_uint32       major_status,         /* Major status code */
 431                   minor_status;         /* Minor status code */
 432   gss_name_t      server_name;          /* Server name */
 433   char            buf[1024],            /* Name buffer */
 434                   fqdn[HTTP_MAX_URI];   /* Server name buffer */
 435
 436
 437  /*
 438   * Get the hostname...
 439   */
 440
 441   httpGetHostname(http, fqdn, sizeof(fqdn));
 442
 443   if (!strcmp(fqdn, "localhost"))
 444     httpGetHostname(NULL, fqdn, sizeof(fqdn));
 445
 446  /*
 447   * Get a server name we can use for authentication purposes...
 448   */
 449
 450   snprintf(buf, sizeof(buf), "%s@%s", service_name, fqdn);
 451
 452   DEBUG_printf(("cups_get_gss_creds: Looking up %s...\n", buf));
 453
 454   token.value  = buf;
 455   token.length = strlen(buf);
 456   server_name  = GSS_C_NO_NAME;
 457   major_status = gss_import_name(&minor_status, &token,
 458                                  GSS_C_NT_HOSTBASED_SERVICE,
 459                                  &server_name);
 460
 461   if (GSS_ERROR(major_status))
 462   {
 463 #  ifdef DEBUG
 464     DEBUG_gss_printf(major_status, minor_status, "gss_import_name() failed");
 465 #  endif /* DEBUG */
 466
 467     return (NULL);
 468   }
 469
 470   return (server_name);
 471 }
 472 #endif /* HAVE_GSSAPI */
 473
 474
 475 /*
 476  * 'cups_local_auth()' - Get the local authorization certificate if
 477  *                       available/applicable...
 478  */
 479
 480 static int                              /* O - 0 if available */
 481                                         /*     1 if not available */
 482                                         /*    -1 error */
 483 cups_local_auth(http_t *http)           /* I - HTTP connection to server */
 484 {
 485 #if defined(WIN32) || defined(__EMX__)
 486  /*
 487   * Currently WIN32 and OS-2 do not support the CUPS server...
 488   */
 489
 490   return (1);
 491 #else
 492   int                   pid;            /* Current process ID */
 493   FILE                  *fp;            /* Certificate file */
 494   char                  filename[1024], /* Certificate filename */
 495                         certificate[33];/* Certificate string */
 496   _cups_globals_t *cg = _cupsGlobals(); /* Global data */
 497 #  if defined(HAVE_AUTHORIZATION_H)
 498   OSStatus              status;         /* Status */
 499   AuthorizationItem     auth_right;     /* Authorization right */
 500   AuthorizationRights   auth_rights;    /* Authorization rights */
 501   AuthorizationFlags    auth_flags;     /* Authorization flags */
 502   AuthorizationExternalForm auth_extrn; /* Authorization ref external */
 503   char                  auth_key[1024]; /* Buffer */
 504   char                  buffer[1024];   /* Buffer */
 505 #  endif /* HAVE_AUTHORIZATION_H */
 506
 507
 508   DEBUG_printf(("cups_local_auth(http=%p) hostaddr=%s, hostname=\"%s\"\n",
 509                 http, httpAddrString(http->hostaddr, filename, sizeof(filename)), http->hostname));
 510
 511  /*
 512   * See if we are accessing localhost...
 513   */
 514
 515   if (!httpAddrLocalhost(http->hostaddr) &&
 516       strcasecmp(http->hostname, "localhost") != 0)
 517   {
 518     DEBUG_puts("cups_local_auth: Not a local connection!");
 519     return (1);
 520   }
 521
 522 #  if defined(HAVE_AUTHORIZATION_H)
 523  /*
 524   * Delete any previous authorization reference...
 525   */
 526
 527   if (http->auth_ref)
 528   {
 529     AuthorizationFree(http->auth_ref, kAuthorizationFlagDefaults);
 530     http->auth_ref = NULL;
 531   }
 532
 533   if (httpGetSubField2(http, HTTP_FIELD_WWW_AUTHENTICATE, "authkey",
 534                        auth_key, sizeof(auth_key)))
 535   {
 536     status = AuthorizationCreate(NULL, kAuthorizationEmptyEnvironment,
 537                                  kAuthorizationFlagDefaults, &http->auth_ref);
 538     if (status != errAuthorizationSuccess)
 539     {
 540       DEBUG_printf(("cups_local_auth: AuthorizationCreate() returned %d (%s)\n",
 541                     (int)status, cssmErrorString(status)));
 542       return (-1);
 543     }
 544
 545     auth_right.name        = auth_key;
 546     auth_right.valueLength = 0;
 547     auth_right.value       = NULL;
 548     auth_right.flags       = 0;
 549
 550     auth_rights.count = 1;
 551     auth_rights.items = &auth_right;
 552
 553     auth_flags = kAuthorizationFlagDefaults |
 554                  kAuthorizationFlagPreAuthorize |
 555                  kAuthorizationFlagInteractionAllowed |
 556                  kAuthorizationFlagExtendRights;
 557
 558     status = AuthorizationCopyRights(http->auth_ref, &auth_rights,
 559                                      kAuthorizationEmptyEnvironment,
 560                                      auth_flags, NULL);
 561     if (status == errAuthorizationSuccess)
 562       status = AuthorizationMakeExternalForm(http->auth_ref, &auth_extrn);
 563
 564     if (status == errAuthorizationSuccess)
 565     {
 566      /*
 567       * Set the authorization string and return...
 568       */
 569
 570       httpEncode64_2(buffer, sizeof(buffer), (void *)&auth_extrn,
 571                      sizeof(auth_extrn));
 572
 573       httpSetAuthString(http, "AuthRef", buffer);
 574
 575       DEBUG_printf(("cups_local_auth: Returning authstring = \"%s\"\n",
 576                     http->authstring));
 577       return (0);
 578     }
 579     else if (status == errAuthorizationCanceled)
 580       return (-1);
 581
 582     DEBUG_printf(("cups_local_auth: AuthorizationCopyRights() returned %d (%s)\n",
 583                   (int)status, cssmErrorString(status)));
 584
 585   /*
 586    * Fall through to try certificates...
 587    */
 588   }
 589 #  endif /* HAVE_AUTHORIZATION_H */
 590
 591  /*
 592   * Try opening a certificate file for this PID.  If that fails,
 593   * try the root certificate...
 594   */
 595
 596   pid = getpid();
 597   snprintf(filename, sizeof(filename), "%s/certs/%d", cg->cups_statedir, pid);
 598   if ((fp = fopen(filename, "r")) == NULL && pid > 0)
 599   {
 600     DEBUG_printf(("cups_local_auth: Unable to open file %s: %s\n",
 601                   filename, strerror(errno)));
 602
 603 #ifdef HAVE_GSSAPI
 604    /*
 605     * If local certificate authentication isn't available for this PID,
 606     * check if we need Kerberos authentication...
 607     */
 608
 609     if (!strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Negotiate", 9))
 610     {
 611      /*
 612       * Yes, don't try the root certificate...
 613       */
 614
 615       return (1);
 616     }
 617 #endif /* HAVE_GSSAPI */
 618
 619     snprintf(filename, sizeof(filename), "%s/certs/0", cg->cups_statedir);
 620     fp = fopen(filename, "r");
 621   }
 622
 623   if (fp)
 624   {
 625    /*
 626     * Read the certificate from the file...
 627     */
 628
 629     fgets(certificate, sizeof(certificate), fp);
 630     fclose(fp);
 631
 632    /*
 633     * Set the authorization string and return...
 634     */
 635
 636     httpSetAuthString(http, "Local", certificate);
 637
 638     DEBUG_printf(("cups_local_auth: Returning authstring = \"%s\"\n",
 639                   http->authstring));
 640
 641     return (0);
 642   }
 643
 644 #  if defined(SO_PEERCRED) && defined(AF_LOCAL)
 645  /*
 646   * See if we can authenticate using the peer credentials provided over a
 647   * domain socket; if so, specify "PeerCred username" as the authentication
 648   * information...
 649   */
 650
 651   if (http->hostaddr->addr.sa_family == AF_LOCAL &&
 652       !getenv("GATEWAY_INTERFACE"))     /* Not via CGI programs... */
 653   {
 654    /*
 655     * Verify that the current cupsUser() matches the current UID...
 656     */
 657
 658     struct passwd       *pwd;           /* Password information */
 659     const char          *username;      /* Current username */
 660
 661     username = cupsUser();
 662
 663     if ((pwd = getpwnam(username)) != NULL && pwd->pw_uid == getuid())
 664     {
 665       httpSetAuthString(http, "PeerCred", username);
 666
 667       DEBUG_printf(("cups_local_auth: Returning authstring = \"%s\"\n",
 668                     http->authstring));
 669
 670       return (0);
 671     }
 672   }
 673 #  endif /* SO_PEERCRED && AF_LOCAL */
 674
 675   return (1);
 676 #endif /* WIN32 || __EMX__ */
 677 }
 678
 679
 680 /*
 681  * End of "$Id: auth.c 7720 2008-07-11 22:46:21Z mike $".
 682  */