diff options
Diffstat (limited to 'xorg-server/config')
| -rw-r--r-- | xorg-server/config/udev.c | 646 |
1 files changed, 325 insertions, 321 deletions
diff --git a/xorg-server/config/udev.c b/xorg-server/config/udev.c index 44319e4db..9ac34ee50 100644 --- a/xorg-server/config/udev.c +++ b/xorg-server/config/udev.c @@ -1,321 +1,325 @@ -/*
- * Copyright © 2009 Julien Cristau
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Author: Julien Cristau <jcristau@debian.org>
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <libudev.h>
-#include <ctype.h>
-
-#include "input.h"
-#include "inputstr.h"
-#include "hotplug.h"
-#include "config-backends.h"
-#include "os.h"
-
-#define UDEV_XKB_PROP_KEY "xkb"
-
-#define LOG_PROPERTY(path, prop, val) \
- LogMessageVerb(X_INFO, 10, \
- "config/udev: getting property %s on %s " \
- "returned \"%s\"\n", \
- (prop), (path), (val) ? (val) : "(null)")
-#define LOG_SYSATTR(path, attr, val) \
- LogMessageVerb(X_INFO, 10, \
- "config/udev: getting attribute %s on %s " \
- "returned \"%s\"\n", \
- (attr), (path), (val) ? (val) : "(null)")
-
-static struct udev_monitor *udev_monitor;
-
-static void
-device_added(struct udev_device *udev_device)
-{
- const char *path, *name = NULL;
- char *config_info = NULL;
- const char *syspath;
- const char *tags_prop;
- const char *key, *value, *tmp;
- InputOption *options = NULL, *tmpo;
- InputAttributes attrs = {};
- DeviceIntPtr dev = NULL;
- struct udev_list_entry *set, *entry;
- struct udev_device *parent;
- int rc;
-
- path = udev_device_get_devnode(udev_device);
-
- syspath = udev_device_get_syspath(udev_device);
-
- if (!path || !syspath)
- return;
-
- if (!udev_device_get_property_value(udev_device, "ID_INPUT")) {
- LogMessageVerb(X_INFO, 10,
- "config/udev: ignoring device %s without "
- "property ID_INPUT set\n",
- path);
- return;
- }
-
- options = calloc(sizeof(*options), 1);
- if (!options)
- return;
-
- options->key = strdup("_source");
- options->value = strdup("server/udev");
- if (!options->key || !options->value)
- goto unwind;
-
- parent = udev_device_get_parent(udev_device);
- if (parent) {
- const char *ppath = udev_device_get_devnode(parent);
- const char *product = udev_device_get_property_value(parent, "PRODUCT");
- const char *pnp_id = udev_device_get_sysattr_value(parent, "id");
- unsigned int usb_vendor, usb_model;
-
- name = udev_device_get_sysattr_value(parent, "name");
- LOG_SYSATTR(ppath, "name", name);
- if (!name) {
- name = udev_device_get_property_value(parent, "NAME");
- LOG_PROPERTY(ppath, "NAME", name);
- }
-
- if (pnp_id)
- attrs.pnp_id = strdup(pnp_id);
- LOG_SYSATTR(ppath, "id", pnp_id);
-
- /* construct USB ID in lowercase hex - "0000:ffff" */
- if (product && sscanf(product, "%*x/%4x/%4x/%*x", &usb_vendor, &usb_model) == 2) {
- if (asprintf(&attrs.usb_id, "%04x:%04x", usb_vendor, usb_model)
- == -1)
- attrs.usb_id = NULL;
- else
- LOG_PROPERTY(path, "PRODUCT", product);
- }
- }
- if (!name)
- name = "(unnamed)";
- else
- attrs.product = strdup(name);
- add_option(&options, "name", name);
-
- add_option(&options, "path", path);
- add_option(&options, "device", path);
- if (path)
- attrs.device = strdup(path);
-
- tags_prop = udev_device_get_property_value(udev_device, "ID_INPUT.tags");
- LOG_PROPERTY(path, "ID_INPUT.tags", tags_prop);
- attrs.tags = xstrtokenize(tags_prop, ",");
-
- if (asprintf(&config_info, "udev:%s", syspath) == -1) {
- config_info = NULL;
- goto unwind;
- }
-
- if (device_is_duplicate(config_info)) {
- LogMessage(X_WARNING, "config/udev: device %s already added. "
- "Ignoring.\n", name);
- goto unwind;
- }
-
- set = udev_device_get_properties_list_entry(udev_device);
- udev_list_entry_foreach(entry, set) {
- key = udev_list_entry_get_name(entry);
- if (!key)
- continue;
- value = udev_list_entry_get_value(entry);
- if (!strncasecmp(key, UDEV_XKB_PROP_KEY,
- sizeof(UDEV_XKB_PROP_KEY) - 1)) {
- LOG_PROPERTY(path, key, value);
- tmp = key + sizeof(UDEV_XKB_PROP_KEY) - 1;
- if (!strcasecmp(tmp, "rules"))
- add_option(&options, "xkb_rules", value);
- else if (!strcasecmp(tmp, "layout"))
- add_option(&options, "xkb_layout", value);
- else if (!strcasecmp(tmp, "variant"))
- add_option(&options, "xkb_variant", value);
- else if (!strcasecmp(tmp, "model"))
- add_option(&options, "xkb_model", value);
- else if (!strcasecmp(tmp, "options"))
- add_option(&options, "xkb_options", value);
- } else if (!strcmp(key, "ID_VENDOR")) {
- LOG_PROPERTY(path, key, value);
- attrs.vendor = strdup(value);
- } else if (!strcmp(key, "ID_INPUT_KEY")) {
- LOG_PROPERTY(path, key, value);
- attrs.flags |= ATTR_KEYBOARD;
- } else if (!strcmp(key, "ID_INPUT_MOUSE")) {
- LOG_PROPERTY(path, key, value);
- attrs.flags |= ATTR_POINTER;
- } else if (!strcmp(key, "ID_INPUT_JOYSTICK")) {
- LOG_PROPERTY(path, key, value);
- attrs.flags |= ATTR_JOYSTICK;
- } else if (!strcmp(key, "ID_INPUT_TABLET")) {
- LOG_PROPERTY(path, key, value);
- attrs.flags |= ATTR_TABLET;
- } else if (!strcmp(key, "ID_INPUT_TOUCHPAD")) {
- LOG_PROPERTY(path, key, value);
- attrs.flags |= ATTR_TOUCHPAD;
- } else if (!strcmp(key, "ID_INPUT_TOUCHSCREEN")) {
- LOG_PROPERTY(path, key, value);
- attrs.flags |= ATTR_TOUCHSCREEN;
- }
- }
-
- add_option(&options, "config_info", config_info);
-
- LogMessage(X_INFO, "config/udev: Adding input device %s (%s)\n",
- name, path);
- rc = NewInputDeviceRequest(options, &attrs, &dev);
- if (rc != Success)
- goto unwind;
-
- unwind:
- free(config_info);
- while ((tmpo = options)) {
- options = tmpo->next;
- free(tmpo->key); /* NULL if dev != NULL */
- free(tmpo->value); /* NULL if dev != NULL */
- free(tmpo);
- }
-
- free(attrs.usb_id);
- free(attrs.pnp_id);
- free(attrs.product);
- free(attrs.device);
- free(attrs.vendor);
- if (attrs.tags) {
- char **tag = attrs.tags;
- while (*tag) {
- free(*tag);
- tag++;
- }
- free(attrs.tags);
- }
-
- return;
-}
-
-static void
-device_removed(struct udev_device *device)
-{
- char *value;
- const char *syspath = udev_device_get_syspath(device);
-
- if (asprintf(&value, "udev:%s", syspath) == -1)
- return;
-
- remove_devices("udev", value);
-
- free(value);
-}
-
-static void
-wakeup_handler(pointer data, int err, pointer read_mask)
-{
- int udev_fd = udev_monitor_get_fd(udev_monitor);
- struct udev_device *udev_device;
- const char *action;
-
- if (err < 0)
- return;
-
- if (FD_ISSET(udev_fd, (fd_set *)read_mask)) {
- udev_device = udev_monitor_receive_device(udev_monitor);
- if (!udev_device)
- return;
- action = udev_device_get_action(udev_device);
- if (action) {
- if (!strcmp(action, "add"))
- device_added(udev_device);
- else if (!strcmp(action, "remove"))
- device_removed(udev_device);
- }
- udev_device_unref(udev_device);
- }
-}
-
-static void
-block_handler(pointer data, struct timeval **tv, pointer read_mask)
-{
-}
-
-int
-config_udev_init(void)
-{
- struct udev *udev;
- struct udev_enumerate *enumerate;
- struct udev_list_entry *devices, *device;
-
- udev = udev_new();
- if (!udev)
- return 0;
- udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
- if (!udev_monitor)
- return 0;
-
- if (udev_monitor_enable_receiving(udev_monitor)) {
- ErrorF("config/udev: failed to bind the udev monitor\n");
- return 0;
- }
-
- enumerate = udev_enumerate_new(udev);
- if (!enumerate)
- return 0;
- udev_enumerate_scan_devices(enumerate);
- devices = udev_enumerate_get_list_entry(enumerate);
- udev_list_entry_foreach(device, devices) {
- const char *syspath = udev_list_entry_get_name(device);
- struct udev_device *udev_device = udev_device_new_from_syspath(udev, syspath);
- device_added(udev_device);
- udev_device_unref(udev_device);
- }
- udev_enumerate_unref(enumerate);
-
- RegisterBlockAndWakeupHandlers(block_handler, wakeup_handler, NULL);
- AddGeneralSocket(udev_monitor_get_fd(udev_monitor));
-
- return 1;
-}
-
-void
-config_udev_fini(void)
-{
- struct udev *udev;
-
- if (!udev_monitor)
- return;
-
- udev = udev_monitor_get_udev(udev_monitor);
-
- RemoveGeneralSocket(udev_monitor_get_fd(udev_monitor));
- RemoveBlockAndWakeupHandlers(block_handler, wakeup_handler, NULL);
- udev_monitor_unref(udev_monitor);
- udev_monitor = NULL;
- udev_unref(udev);
-}
+/* + * Copyright © 2009 Julien Cristau + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Author: Julien Cristau <jcristau@debian.org> + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <libudev.h> +#include <ctype.h> + +#include "input.h" +#include "inputstr.h" +#include "hotplug.h" +#include "config-backends.h" +#include "os.h" + +#define UDEV_XKB_PROP_KEY "xkb" + +#define LOG_PROPERTY(path, prop, val) \ + LogMessageVerb(X_INFO, 10, \ + "config/udev: getting property %s on %s " \ + "returned \"%s\"\n", \ + (prop), (path), (val) ? (val) : "(null)") +#define LOG_SYSATTR(path, attr, val) \ + LogMessageVerb(X_INFO, 10, \ + "config/udev: getting attribute %s on %s " \ + "returned \"%s\"\n", \ + (attr), (path), (val) ? (val) : "(null)") + +static struct udev_monitor *udev_monitor; + +static void +device_added(struct udev_device *udev_device) +{ + const char *path, *name = NULL; + char *config_info = NULL; + const char *syspath; + const char *tags_prop; + const char *key, *value, *tmp; + InputOption *options = NULL, *tmpo; + InputAttributes attrs = {}; + DeviceIntPtr dev = NULL; + struct udev_list_entry *set, *entry; + struct udev_device *parent; + int rc; + + path = udev_device_get_devnode(udev_device); + + syspath = udev_device_get_syspath(udev_device); + + if (!path || !syspath) + return; + + if (!udev_device_get_property_value(udev_device, "ID_INPUT")) { + LogMessageVerb(X_INFO, 10, + "config/udev: ignoring device %s without " + "property ID_INPUT set\n", + path); + return; + } + + options = calloc(sizeof(*options), 1); + if (!options) + return; + + options->key = strdup("_source"); + options->value = strdup("server/udev"); + if (!options->key || !options->value) + goto unwind; + + parent = udev_device_get_parent(udev_device); + if (parent) { + const char *ppath = udev_device_get_devnode(parent); + const char *product = udev_device_get_property_value(parent, "PRODUCT"); + const char *pnp_id = udev_device_get_sysattr_value(parent, "id"); + unsigned int usb_vendor, usb_model; + + name = udev_device_get_sysattr_value(parent, "name"); + LOG_SYSATTR(ppath, "name", name); + if (!name) { + name = udev_device_get_property_value(parent, "NAME"); + LOG_PROPERTY(ppath, "NAME", name); + } + + if (pnp_id) + attrs.pnp_id = strdup(pnp_id); + LOG_SYSATTR(ppath, "id", pnp_id); + + /* construct USB ID in lowercase hex - "0000:ffff" */ + if (product && sscanf(product, "%*x/%4x/%4x/%*x", &usb_vendor, &usb_model) == 2) { + if (asprintf(&attrs.usb_id, "%04x:%04x", usb_vendor, usb_model) + == -1) + attrs.usb_id = NULL; + else + LOG_PROPERTY(path, "PRODUCT", product); + } + } + if (!name) + name = "(unnamed)"; + else + attrs.product = strdup(name); + add_option(&options, "name", name); + + add_option(&options, "path", path); + add_option(&options, "device", path); + if (path) + attrs.device = strdup(path); + + tags_prop = udev_device_get_property_value(udev_device, "ID_INPUT.tags"); + LOG_PROPERTY(path, "ID_INPUT.tags", tags_prop); + attrs.tags = xstrtokenize(tags_prop, ","); + + if (asprintf(&config_info, "udev:%s", syspath) == -1) { + config_info = NULL; + goto unwind; + } + + if (device_is_duplicate(config_info)) { + LogMessage(X_WARNING, "config/udev: device %s already added. " + "Ignoring.\n", name); + goto unwind; + } + + set = udev_device_get_properties_list_entry(udev_device); + udev_list_entry_foreach(entry, set) { + key = udev_list_entry_get_name(entry); + if (!key) + continue; + value = udev_list_entry_get_value(entry); + if (!strncasecmp(key, UDEV_XKB_PROP_KEY, + sizeof(UDEV_XKB_PROP_KEY) - 1)) { + LOG_PROPERTY(path, key, value); + tmp = key + sizeof(UDEV_XKB_PROP_KEY) - 1; + if (!strcasecmp(tmp, "rules")) + add_option(&options, "xkb_rules", value); + else if (!strcasecmp(tmp, "layout")) + add_option(&options, "xkb_layout", value); + else if (!strcasecmp(tmp, "variant")) + add_option(&options, "xkb_variant", value); + else if (!strcasecmp(tmp, "model")) + add_option(&options, "xkb_model", value); + else if (!strcasecmp(tmp, "options")) + add_option(&options, "xkb_options", value); + } else if (!strcmp(key, "ID_VENDOR")) { + LOG_PROPERTY(path, key, value); + attrs.vendor = strdup(value); + } else if (!strcmp(key, "ID_INPUT_KEY")) { + LOG_PROPERTY(path, key, value); + attrs.flags |= ATTR_KEYBOARD; + } else if (!strcmp(key, "ID_INPUT_MOUSE")) { + LOG_PROPERTY(path, key, value); + attrs.flags |= ATTR_POINTER; + } else if (!strcmp(key, "ID_INPUT_JOYSTICK")) { + LOG_PROPERTY(path, key, value); + attrs.flags |= ATTR_JOYSTICK; + } else if (!strcmp(key, "ID_INPUT_TABLET")) { + LOG_PROPERTY(path, key, value); + attrs.flags |= ATTR_TABLET; + } else if (!strcmp(key, "ID_INPUT_TOUCHPAD")) { + LOG_PROPERTY(path, key, value); + attrs.flags |= ATTR_TOUCHPAD; + } else if (!strcmp(key, "ID_INPUT_TOUCHSCREEN")) { + LOG_PROPERTY(path, key, value); + attrs.flags |= ATTR_TOUCHSCREEN; + } + } + + add_option(&options, "config_info", config_info); + + LogMessage(X_INFO, "config/udev: Adding input device %s (%s)\n", + name, path); + rc = NewInputDeviceRequest(options, &attrs, &dev); + if (rc != Success) + goto unwind; + + unwind: + free(config_info); + while ((tmpo = options)) { + options = tmpo->next; + free(tmpo->key); /* NULL if dev != NULL */ + free(tmpo->value); /* NULL if dev != NULL */ + free(tmpo); + } + + free(attrs.usb_id); + free(attrs.pnp_id); + free(attrs.product); + free(attrs.device); + free(attrs.vendor); + if (attrs.tags) { + char **tag = attrs.tags; + while (*tag) { + free(*tag); + tag++; + } + free(attrs.tags); + } + + return; +} + +static void +device_removed(struct udev_device *device) +{ + char *value; + const char *syspath = udev_device_get_syspath(device); + + if (asprintf(&value, "udev:%s", syspath) == -1) + return; + + remove_devices("udev", value); + + free(value); +} + +static void +wakeup_handler(pointer data, int err, pointer read_mask) +{ + int udev_fd = udev_monitor_get_fd(udev_monitor); + struct udev_device *udev_device; + const char *action; + + if (err < 0) + return; + + if (FD_ISSET(udev_fd, (fd_set *)read_mask)) { + udev_device = udev_monitor_receive_device(udev_monitor); + if (!udev_device) + return; + action = udev_device_get_action(udev_device); + if (action) { + if (!strcmp(action, "add")) + device_added(udev_device); + else if (!strcmp(action, "remove")) + device_removed(udev_device); + else if (!strcmp(action, "change")) { + device_removed(udev_device); + device_added(udev_device); + } + } + udev_device_unref(udev_device); + } +} + +static void +block_handler(pointer data, struct timeval **tv, pointer read_mask) +{ +} + +int +config_udev_init(void) +{ + struct udev *udev; + struct udev_enumerate *enumerate; + struct udev_list_entry *devices, *device; + + udev = udev_new(); + if (!udev) + return 0; + udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); + if (!udev_monitor) + return 0; + + if (udev_monitor_enable_receiving(udev_monitor)) { + ErrorF("config/udev: failed to bind the udev monitor\n"); + return 0; + } + + enumerate = udev_enumerate_new(udev); + if (!enumerate) + return 0; + udev_enumerate_scan_devices(enumerate); + devices = udev_enumerate_get_list_entry(enumerate); + udev_list_entry_foreach(device, devices) { + const char *syspath = udev_list_entry_get_name(device); + struct udev_device *udev_device = udev_device_new_from_syspath(udev, syspath); + device_added(udev_device); + udev_device_unref(udev_device); + } + udev_enumerate_unref(enumerate); + + RegisterBlockAndWakeupHandlers(block_handler, wakeup_handler, NULL); + AddGeneralSocket(udev_monitor_get_fd(udev_monitor)); + + return 1; +} + +void +config_udev_fini(void) +{ + struct udev *udev; + + if (!udev_monitor) + return; + + udev = udev_monitor_get_udev(udev_monitor); + + RemoveGeneralSocket(udev_monitor_get_fd(udev_monitor)); + RemoveBlockAndWakeupHandlers(block_handler, wakeup_handler, NULL); + udev_monitor_unref(udev_monitor); + udev_monitor = NULL; + udev_unref(udev); +} |