1 /*
2 * Copyright © 2006-2007 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_DIX_CONFIG_H
27 #include <dix-config.h>
28 #endif
29
30 #include <unistd.h>
31 #include "os.h"
32 #include "inputstr.h"
33 #include "hotplug.h"
34 #include "config-backends.h"
35 #include "systemd-logind.h"
36
37 void
config_pre_init(void)38 config_pre_init(void)
39 {
40 #ifdef CONFIG_UDEV
41 if (!config_udev_pre_init())
42 ErrorF("[config] failed to pre-init udev\n");
43 #endif
44 }
45
46 void
config_init(void)47 config_init(void)
48 {
49 #ifdef CONFIG_UDEV
50 if (!config_udev_init())
51 ErrorF("[config] failed to initialise udev\n");
52 #elif defined(CONFIG_HAL)
53 if (!config_hal_init())
54 ErrorF("[config] failed to initialise HAL\n");
55 #elif defined(CONFIG_WSCONS)
56 if (!config_wscons_init())
57 ErrorF("[config] failed to initialise wscons\n");
58 #endif
59 }
60
61 void
config_fini(void)62 config_fini(void)
63 {
64 #if defined(CONFIG_UDEV)
65 config_udev_fini();
66 #elif defined(CONFIG_HAL)
67 config_hal_fini();
68 #elif defined(CONFIG_WSCONS)
69 config_wscons_fini();
70 #endif
71 }
72
73 void
config_odev_probe(config_odev_probe_proc_ptr probe_callback)74 config_odev_probe(config_odev_probe_proc_ptr probe_callback)
75 {
76 #if defined(CONFIG_UDEV_KMS)
77 config_udev_odev_probe(probe_callback);
78 #endif
79 }
80
81 static void
remove_device(const char * backend,DeviceIntPtr dev)82 remove_device(const char *backend, DeviceIntPtr dev)
83 {
84 /* this only gets called for devices that have already been added */
85 LogMessage(X_INFO, "config/%s: removing device %s\n", backend, dev->name);
86
87 /* Call PIE here so we don't try to dereference a device that's
88 * already been removed. */
89 input_lock();
90 ProcessInputEvents();
91 DeleteInputDeviceRequest(dev);
92 input_unlock();
93 }
94
95 void
remove_devices(const char * backend,const char * config_info)96 remove_devices(const char *backend, const char *config_info)
97 {
98 DeviceIntPtr dev, next;
99
100 for (dev = inputInfo.devices; dev; dev = next) {
101 next = dev->next;
102 if (dev->config_info && strcmp(dev->config_info, config_info) == 0)
103 remove_device(backend, dev);
104 }
105 for (dev = inputInfo.off_devices; dev; dev = next) {
106 next = dev->next;
107 if (dev->config_info && strcmp(dev->config_info, config_info) == 0)
108 remove_device(backend, dev);
109 }
110
111 RemoveInputDeviceTraces(config_info);
112 }
113
114 BOOL
device_is_duplicate(const char * config_info)115 device_is_duplicate(const char *config_info)
116 {
117 DeviceIntPtr dev;
118
119 for (dev = inputInfo.devices; dev; dev = dev->next) {
120 if (dev->config_info && (strcmp(dev->config_info, config_info) == 0))
121 return TRUE;
122 }
123
124 for (dev = inputInfo.off_devices; dev; dev = dev->next) {
125 if (dev->config_info && (strcmp(dev->config_info, config_info) == 0))
126 return TRUE;
127 }
128
129 return FALSE;
130 }
131
132 struct OdevAttributes *
config_odev_allocate_attributes(void)133 config_odev_allocate_attributes(void)
134 {
135 struct OdevAttributes *attribs =
136 xnfcalloc(1, sizeof (struct OdevAttributes));
137 attribs->fd = -1;
138 return attribs;
139 }
140
141 void
config_odev_free_attributes(struct OdevAttributes * attribs)142 config_odev_free_attributes(struct OdevAttributes *attribs)
143 {
144 if (attribs->fd != -1)
145 systemd_logind_release_fd(attribs->major, attribs->minor, attribs->fd);
146 free(attribs->path);
147 free(attribs->syspath);
148 free(attribs->busid);
149 free(attribs->driver);
150 free(attribs);
151 }
152