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 "win.h"
36
37 /* Includes for authorization */
38 #include "securitysrv.h"
39 #include "os/osdep.h"
40
41 #include <xcb/xcb.h>
42
43 /* Need to get this from Xlib.h */
44 extern void XSetAuthorization(
45 const char * /* name */,
46 int /* namelen */,
47 const char * /* data */,
48 int /* datalen */
49 );
50
51 /*
52 * Constants
53 */
54
55 #define AUTH_NAME "MIT-MAGIC-COOKIE-1"
56
57 /*
58 * Locals
59 */
60
61 static XID g_authId = 0;
62 static unsigned int g_uiAuthDataLen = 0;
63 static char *g_pAuthData = NULL;
64 static xcb_auth_info_t auth_info;
65
66 /*
67 * Code to generate a MIT-MAGIC-COOKIE-1, copied from under XCSECURITY
68 */
69
70 #ifndef XCSECURITY
71
72 static
73 XID
GenerateAuthorization(unsigned name_length,const char * name,unsigned data_length,const char * data,unsigned * data_length_return,char ** data_return)74 GenerateAuthorization(unsigned name_length,
75 const char *name,
76 unsigned data_length,
77 const char *data,
78 unsigned *data_length_return, char **data_return)
79 {
80 return MitGenerateCookie(data_length, data,
81 FakeClientID(0), data_length_return, data_return);
82 }
83 #endif
84
85 /*
86 * Generate authorization cookie for internal server clients
87 */
88
89 Bool
winGenerateAuthorization(void)90 winGenerateAuthorization(void)
91 {
92 SecurityAuthorizationPtr pAuth = NULL;
93
94 /* Call OS layer to generate authorization key */
95 g_authId = GenerateAuthorization(strlen(AUTH_NAME),
96 AUTH_NAME,
97 0, NULL, &g_uiAuthDataLen, &g_pAuthData);
98 if ((XID) ~0L == g_authId) {
99 ErrorF("winGenerateAuthorization - GenerateAuthorization failed\n");
100 return FALSE;
101 }
102
103 else {
104 winDebug("winGenerateAuthorization - GenerateAuthorization success!\n"
105 "AuthDataLen: %d AuthData: %s\n",
106 g_uiAuthDataLen, g_pAuthData);
107 }
108
109 auth_info.name = AUTH_NAME;
110 auth_info.namelen = strlen(AUTH_NAME);
111 auth_info.data = g_pAuthData;
112 auth_info.datalen = g_uiAuthDataLen;
113
114 #ifdef XCSECURITY
115 /* Allocate structure for additional auth information */
116 pAuth = (SecurityAuthorizationPtr)
117 malloc(sizeof(SecurityAuthorizationRec));
118 if (!(pAuth)) {
119 ErrorF("winGenerateAuthorization - Failed allocating "
120 "SecurityAuthorizationPtr.\n");
121 return FALSE;
122 }
123
124 /* Fill in the auth fields */
125 pAuth->id = g_authId;
126 pAuth->timeout = 0; /* live for x seconds after refcnt == 0 */
127 pAuth->group = None;
128 pAuth->trustLevel = XSecurityClientTrusted;
129 pAuth->refcnt = 1; /* this auth must stick around */
130 pAuth->secondsRemaining = 0;
131 pAuth->timer = NULL;
132 pAuth->eventClients = NULL;
133
134 /* Add the authorization to the server's auth list */
135 if (!AddResource(g_authId, SecurityAuthorizationResType, pAuth)) {
136 ErrorF("winGenerateAuthorization - AddResource failed for auth.\n");
137 return FALSE;
138 }
139 #endif
140
141 return TRUE;
142 }
143
144 /* Use our generated cookie for authentication */
145 void
winSetAuthorization(void)146 winSetAuthorization(void)
147 {
148 XSetAuthorization(AUTH_NAME,
149 strlen(AUTH_NAME), g_pAuthData, g_uiAuthDataLen);
150 }
151
152 xcb_auth_info_t *
winGetXcbAuthInfo(void)153 winGetXcbAuthInfo(void)
154 {
155 if (g_pAuthData)
156 return &auth_info;
157
158 return NULL;
159 }
160