1/*
2 * Copyright © 2011 Daniel Stone
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * 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
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Author: Daniel Stone <daniel@fooishbar.org>
24 */
25
26#ifdef HAVE_XORG_CONFIG_H
27#include <xorg-config.h>
28#endif
29
30#include "extension.h"
31#include "extinit.h"
32#include "globals.h"
33
34#include "xf86.h"
35#include "xf86Config.h"
36#include "xf86Module.h"
37#include "xf86Extensions.h"
38#include "xf86Opt.h"
39#include "optionstr.h"
40
41#ifdef XSELINUX
42#include "xselinux.h"
43#endif
44
45#ifdef XFreeXDGA
46#include <X11/extensions/xf86dgaproto.h>
47#endif
48
49#ifdef XF86VIDMODE
50#include <X11/extensions/xf86vmproto.h>
51#include "vidmodestr.h"
52#endif
53
54/*
55 * DDX-specific extensions.
56 */
57static const ExtensionModule extensionModules[] = {
58#ifdef XF86VIDMODE
59    {
60	XFree86VidModeExtensionInit,
61	XF86VIDMODENAME,
62	&noXFree86VidModeExtension
63    },
64#endif
65#ifdef XFreeXDGA
66    {
67	XFree86DGAExtensionInit,
68	XF86DGANAME,
69	&noXFree86DGAExtension
70    },
71#endif
72#ifdef XF86DRI
73    {
74        XFree86DRIExtensionInit,
75        "XFree86-DRI",
76        &noXFree86DRIExtension
77    },
78#endif
79#ifdef DRI2
80    {
81        DRI2ExtensionInit,
82        DRI2_NAME,
83        &noDRI2Extension
84    }
85#endif
86};
87
88static void
89load_extension_config(void)
90{
91    XF86ConfModulePtr mod_con = xf86configptr->conf_modules;
92    XF86LoadPtr modp;
93
94    /* Only the best. */
95    if (!mod_con)
96        return;
97
98    nt_list_for_each_entry(modp, mod_con->mod_load_lst, list.next) {
99        InputOption *opt;
100
101        if (strcasecmp(modp->load_name, "extmod") != 0)
102            continue;
103
104        /* extmod options are of the form "omit <extension-name>" */
105        nt_list_for_each_entry(opt, modp->load_opt, list.next) {
106            const char *key = input_option_get_key(opt);
107            if (strncasecmp(key, "omit", 4) != 0 || strlen(key) < 5)
108                continue;
109            if (EnableDisableExtension(key + 4, FALSE))
110                xf86MarkOptionUsed(opt);
111        }
112
113#ifdef XSELINUX
114        if ((opt = xf86FindOption(modp->load_opt,
115                                  "SELinux mode disabled"))) {
116            xf86MarkOptionUsed(opt);
117            selinuxEnforcingState = SELINUX_MODE_DISABLED;
118        }
119        if ((opt = xf86FindOption(modp->load_opt,
120                                  "SELinux mode permissive"))) {
121            xf86MarkOptionUsed(opt);
122            selinuxEnforcingState = SELINUX_MODE_PERMISSIVE;
123        }
124        if ((opt = xf86FindOption(modp->load_opt,
125                                  "SELinux mode enforcing"))) {
126            xf86MarkOptionUsed(opt);
127            selinuxEnforcingState = SELINUX_MODE_ENFORCING;
128        }
129#endif
130    }
131}
132
133void
134xf86ExtensionInit(void)
135{
136    load_extension_config();
137
138    LoadExtensionList(extensionModules, ARRAY_SIZE(extensionModules), TRUE);
139}
140