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      1 /******************************************************************************
      2 
      3 
      4 Copyright 1993, 1998  The Open Group
      5 
      6 Permission to use, copy, modify, distribute, and sell this software and its
      7 documentation for any purpose is hereby granted without fee, provided that
      8 the above copyright notice appear in all copies and that both that
      9 copyright notice and this permission notice appear in supporting
     10 documentation.
     11 
     12 The above copyright notice and this permission notice shall be included in
     13 all copies or substantial portions of the Software.
     14 
     15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
     18 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     19 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     21 
     22 Except as contained in this notice, the name of The Open Group shall not be
     23 used in advertising or otherwise to promote the sale, use or other dealings
     24 in this Software without prior written authorization from The Open Group.
     25 
     26 Author: Ralph Mor, X Consortium
     27 ******************************************************************************/
     28 
     29 #ifdef HAVE_CONFIG_H
     30 #include <config.h>
     31 #endif
     32 #include <X11/ICE/ICElib.h>
     33 #include "ICElibint.h"
     34 #include <X11/ICE/ICEutil.h>
     35 
     36 
     37 /*
     38  * IceSetPaAuthData is not a standard part of ICElib, it is specific
     39  * to the sample implementation.
     40  *
     41  * For the client that initiates a Protocol Setup, we look in the
     42  * .ICEauthority file to get authentication data.
     43  *
     44  * For the client accepting the Protocol Setup, we get the data
     45  * from an in-memory database of authentication data (set by the
     46  * application calling IceSetPaAuthData).  We have to get the data
     47  * from memory because getting it directly from the .ICEauthority
     48  * file is not secure - someone can just modify the contents of the
     49  * .ICEauthority file behind our back.
     50  */
     51 
     52 int		 _IcePaAuthDataEntryCount = 0;
     53 IceAuthDataEntry _IcePaAuthDataEntries[ICE_MAX_AUTH_DATA_ENTRIES];
     54 
     55 
     56 void
     57 IceSetPaAuthData (
     58 	int			numEntries,
     59 	IceAuthDataEntry	*entries
     60 )
     61 {
     62     /*
     63      * _IcePaAuthDataEntries should really be a linked list.
     64      * On my list of TO DO stuff.
     65      */
     66 
     67     int i, j;
     68 
     69     for (i = 0; i < numEntries; i++)
     70     {
     71 	for (j = 0; j < _IcePaAuthDataEntryCount; j++)
     72 	    if (strcmp (entries[i].protocol_name,
     73 		_IcePaAuthDataEntries[j].protocol_name) == 0 &&
     74                 strcmp (entries[i].network_id,
     75 		_IcePaAuthDataEntries[j].network_id) == 0 &&
     76                 strcmp (entries[i].auth_name,
     77 		_IcePaAuthDataEntries[j].auth_name) == 0)
     78 		break;
     79 
     80 	if (j < _IcePaAuthDataEntryCount)
     81 	{
     82 	    free (_IcePaAuthDataEntries[j].protocol_name);
     83 	    free (_IcePaAuthDataEntries[j].network_id);
     84 	    free (_IcePaAuthDataEntries[j].auth_name);
     85 	    free (_IcePaAuthDataEntries[j].auth_data);
     86 	}
     87 	else
     88 	{
     89 	    _IcePaAuthDataEntryCount++;
     90 	}
     91 
     92 	_IcePaAuthDataEntries[j].protocol_name
     93 	    = strdup(entries[i].protocol_name);
     94 
     95 	_IcePaAuthDataEntries[j].network_id
     96 	    = strdup(entries[i].network_id);
     97 
     98 	_IcePaAuthDataEntries[j].auth_name
     99             = strdup(entries[i].auth_name);
    100 
    101 	_IcePaAuthDataEntries[j].auth_data_length =
    102             entries[i].auth_data_length;
    103 	_IcePaAuthDataEntries[j].auth_data = malloc (
    104             entries[i].auth_data_length);
    105 	memcpy (_IcePaAuthDataEntries[j].auth_data,
    106             entries[i].auth_data, entries[i].auth_data_length);
    107     }
    108 }
    109