winauth.c revision 5a112b11 
1/*
2 *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
3 *
4 *Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 *"Software"), to deal in the Software without restriction, including
7 *without limitation the rights to use, copy, modify, merge, publish,
8 *distribute, sublicense, and/or sell copies of the Software, and to
9 *permit persons to whom the Software is furnished to do so, subject to
10 *the following conditions:
11 *
12 *The above copyright notice and this permission notice shall be
13 *included in all copies or substantial portions of the Software.
14 *
15 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
19 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
20 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 *Except as contained in this notice, the name of Harold L Hunt II
24 *shall not be used in advertising or otherwise to promote the sale, use
25 *or other dealings in this Software without prior written authorization
26 *from Harold L Hunt II.
27 *
28 * Authors:	Harold L Hunt II
29 */
30
31#ifdef HAVE_XWIN_CONFIG_H
32#include <xwin-config.h>
33#endif
34
35#include "winauth.h"
36#include "winmsg.h"
37
38/* Includes for authorization */
39#include "securitysrv.h"
40#include "os/osdep.h"
41
42#include <xcb/xcb.h>
43
44/*
45 * Constants
46 */
47
48#define AUTH_NAME	"MIT-MAGIC-COOKIE-1"
49
50/*
51 * Locals
52 */
53
54static XID g_authId = 0;
55static unsigned int g_uiAuthDataLen = 0;
56static char *g_pAuthData = NULL;
57static xcb_auth_info_t auth_info;
58
59/*
60 * Code to generate a MIT-MAGIC-COOKIE-1, copied from under XCSECURITY
61 */
62
63#ifndef XCSECURITY
64static XID
65GenerateAuthorization(unsigned name_length,
66                      const char *name,
67                      unsigned data_length,
68                      const char *data,
69                      unsigned *data_length_return, char **data_return)
70{
71    return MitGenerateCookie(data_length, data,
72                             FakeClientID(0), data_length_return, data_return);
73}
74#endif
75
76/*
77 * Generate authorization cookie for internal server clients
78 */
79
80BOOL
81winGenerateAuthorization(void)
82{
83#ifdef XCSECURITY
84    SecurityAuthorizationPtr pAuth = NULL;
85#endif
86
87    /* Call OS layer to generate authorization key */
88    g_authId = GenerateAuthorization(strlen(AUTH_NAME),
89                                     AUTH_NAME,
90                                     0, NULL, &g_uiAuthDataLen, &g_pAuthData);
91    if ((XID) ~0L == g_authId) {
92        ErrorF("winGenerateAuthorization - GenerateAuthorization failed\n");
93        return FALSE;
94    }
95
96    else {
97        winDebug("winGenerateAuthorization - GenerateAuthorization success!\n"
98                 "AuthDataLen: %d AuthData: %s\n",
99                 g_uiAuthDataLen, g_pAuthData);
100    }
101
102    auth_info.name = strdup(AUTH_NAME);
103    auth_info.namelen = strlen(AUTH_NAME);
104    auth_info.data = g_pAuthData;
105    auth_info.datalen = g_uiAuthDataLen;
106
107#ifdef XCSECURITY
108    /* Allocate structure for additional auth information */
109    pAuth = (SecurityAuthorizationPtr)
110        malloc(sizeof(SecurityAuthorizationRec));
111    if (!(pAuth)) {
112        ErrorF("winGenerateAuthorization - Failed allocating "
113               "SecurityAuthorizationPtr.\n");
114        return FALSE;
115    }
116
117    /* Fill in the auth fields */
118    pAuth->id = g_authId;
119    pAuth->timeout = 0;         /* live for x seconds after refcnt == 0 */
120    pAuth->group = None;
121    pAuth->trustLevel = XSecurityClientTrusted;
122    pAuth->refcnt = 1;          /* this auth must stick around */
123    pAuth->secondsRemaining = 0;
124    pAuth->timer = NULL;
125    pAuth->eventClients = NULL;
126
127    /* Add the authorization to the server's auth list */
128    if (!AddResource(g_authId, SecurityAuthorizationResType, pAuth)) {
129        ErrorF("winGenerateAuthorization - AddResource failed for auth.\n");
130        return FALSE;
131    }
132#endif
133
134    return TRUE;
135}
136
137xcb_auth_info_t *
138winGetXcbAuthInfo(void)
139{
140    if (g_pAuthData)
141        return &auth_info;
142
143    return NULL;
144}
145