xorg-server-1.4/hw/xwin/winauth.c

   1 #ifdef HAVE_XWIN_CONFIG_H
   2 #include <xwin-config.h>
   3 #endif
   4 #if defined(XCSECURITY)
   5 /*
   6  *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
   7  *
   8  *Permission is hereby granted, free of charge, to any person obtaining
   9  * a copy of this software and associated documentation files (the
  10  *"Software"), to deal in the Software without restriction, including
  11  *without limitation the rights to use, copy, modify, merge, publish,
  12  *distribute, sublicense, and/or sell copies of the Software, and to
  13  *permit persons to whom the Software is furnished to do so, subject to
  14  *the following conditions:
  15  *
  16  *The above copyright notice and this permission notice shall be
  17  *included in all copies or substantial portions of the Software.
  18  *
  19  *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20  *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22  *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
  23  *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  24  *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25  *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  *Except as contained in this notice, the name of Harold L Hunt II
  28  *shall not be used in advertising or otherwise to promote the sale, use
  29  *or other dealings in this Software without prior written authorization
  30  *from Harold L Hunt II.
  31  *
  32  * Authors:     Harold L Hunt II
  33  */
  34
  35 #include "win.h"
  36
  37 /* Includes for authorization */
  38 #include <X11/Xauth.h>
  39 #include "securitysrv.h"
  40 #include <X11/extensions/securstr.h>
  41
  42
  43 /*
  44  * Constants
  45  */
  46
  47 #define AUTH_NAME       "MIT-MAGIC-COOKIE-1"
  48
  49
  50 /*
  51  * Globals
  52  */
  53
  54 XID             g_authId = 0;
  55 unsigned int    g_uiAuthDataLen = 0;
  56 char            *g_pAuthData = NULL;
  57
  58
  59 /*
  60  * Generate authorization cookie for internal server clients
  61  */
  62
  63 Bool
  64 winGenerateAuthorization ()
  65 {
  66   Bool                          fFreeAuth = FALSE;
  67   SecurityAuthorizationPtr      pAuth = NULL;
  68
  69   /* Call OS layer to generate authorization key */
  70   g_authId = GenerateAuthorization (strlen (AUTH_NAME),
  71                                     AUTH_NAME,
  72                                     0,
  73                                     NULL,
  74                                     &g_uiAuthDataLen,
  75                                     &g_pAuthData);
  76   if ((XID) ~0L == g_authId)
  77     {
  78       ErrorF ("winGenerateAuthorization - GenerateAuthorization failed\n");
  79       goto auth_bailout;
  80     }
  81 #if 0
  82   else
  83     {
  84       ErrorF ("winGenerateAuthorization - GenerateAuthorization success!\n"
  85               "AuthDataLen: %d AuthData: %s\n",
  86               g_uiAuthDataLen, g_pAuthData);
  87     }
  88 #endif
  89
  90   /* Allocate structure for additional auth information */
  91   pAuth = (SecurityAuthorizationPtr)
  92     xalloc (sizeof (SecurityAuthorizationRec));
  93   if (!(pAuth))
  94     {
  95       ErrorF ("winGenerateAuthorization - Failed allocating "
  96               "SecurityAuthorizationPtr.\n");
  97       goto auth_bailout;
  98     }
  99
 100   /* Fill in the auth fields */
 101   pAuth->id = g_authId;
 102   pAuth->timeout = 0; /* live for x seconds after refcnt == 0 */
 103   pAuth->group = None;
 104   pAuth->trustLevel = XSecurityClientTrusted;
 105   pAuth->refcnt = 1; /* this auth must stick around */
 106   pAuth->secondsRemaining = 0;
 107   pAuth->timer = NULL;
 108   pAuth->eventClients = NULL;
 109
 110   /* Add the authorization to the server's auth list */
 111   if (!AddResource (g_authId,
 112                     SecurityAuthorizationResType,
 113                     pAuth))
 114     {
 115       ErrorF ("winGenerateAuthorization - AddResource failed for auth.\n");
 116       fFreeAuth = TRUE;
 117       goto auth_bailout;
 118     }
 119
 120   /* Don't free the auth data, since it is still used internally */
 121   pAuth = NULL;
 122
 123   return TRUE;
 124
 125  auth_bailout:
 126   if (fFreeAuth)
 127     xfree (pAuth);
 128
 129   return FALSE;
 130 }
 131 #endif