fwupd/src/fu-device.c
Richard Hughes 1a24d9da90 Include the device VID and PID in the calculation of the device-id
If we plug in USB device A, remove it, plug in USB device B and get the same
autogenerated string all kinds of nasty things happen to the history database.
2018-02-01 14:01:50 +00:00

812 lines
20 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2015 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU General Public License Version 2
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <string.h>
#include <appstream-glib.h>
#include <glib-object.h>
#include <gio/gio.h>
#include "fu-device-private.h"
/**
* SECTION:fu-device
* @short_description: a physical or logical device
*
* An object that represents a physical or logical device.
*
* See also: #FuDeviceLocker
*/
static void fu_device_finalize (GObject *object);
typedef struct {
gchar *equivalent_id;
FuDevice *alternate;
FuQuirks *quirks;
GHashTable *metadata;
guint remove_delay; /* ms */
FwupdStatus status;
guint progress;
} FuDevicePrivate;
enum {
PROP_0,
PROP_STATUS,
PROP_PROGRESS,
PROP_PLATFORM_ID,
PROP_QUIRKS,
PROP_LAST
};
G_DEFINE_TYPE_WITH_PRIVATE (FuDevice, fu_device, FWUPD_TYPE_DEVICE)
#define GET_PRIVATE(o) (fu_device_get_instance_private (o))
static void
fu_device_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
FuDevice *device = FU_DEVICE (object);
FuDevicePrivate *priv = GET_PRIVATE (device);
switch (prop_id) {
case PROP_STATUS:
g_value_set_uint (value, priv->status);
break;
case PROP_PROGRESS:
g_value_set_uint (value, priv->progress);
break;
case PROP_PLATFORM_ID:
g_value_set_string (value, fu_device_get_platform_id (device));
break;
case PROP_QUIRKS:
g_value_set_object (value, priv->quirks);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
fu_device_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
FuDevice *device = FU_DEVICE (object);
switch (prop_id) {
case PROP_STATUS:
fu_device_set_status (device, g_value_get_uint (value));
break;
case PROP_PROGRESS:
fu_device_set_progress (device, g_value_get_uint (value));
break;
case PROP_PLATFORM_ID:
fu_device_set_platform_id (device, g_value_get_string (value));
break;
case PROP_QUIRKS:
fu_device_set_quirks (device, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
const gchar *
fu_device_get_equivalent_id (FuDevice *device)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_val_if_fail (FU_IS_DEVICE (device), NULL);
return priv->equivalent_id;
}
void
fu_device_set_equivalent_id (FuDevice *device, const gchar *equivalent_id)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_if_fail (FU_IS_DEVICE (device));
g_free (priv->equivalent_id);
priv->equivalent_id = g_strdup (equivalent_id);
}
/**
* fu_device_get_alternate:
* @device: A #FuDevice
*
* Gets any alternate device. An alternate device may be linked to the primary
* device in some way.
*
* Returns: (transfer none): a #FuDevice or %NULL
*
* Since: 0.7.2
**/
FuDevice *
fu_device_get_alternate (FuDevice *device)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_val_if_fail (FU_IS_DEVICE (device), NULL);
return priv->alternate;
}
/**
* fu_device_set_alternate:
* @device: A #FuDevice
* @alternate: Another #FuDevice
*
* Sets any alternate device. An alternate device may be linked to the primary
* device in some way.
*
* Since: 0.7.2
**/
void
fu_device_set_alternate (FuDevice *device, FuDevice *alternate)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_if_fail (FU_IS_DEVICE (device));
g_set_object (&priv->alternate, alternate);
}
/**
* fu_device_add_guid:
* @device: A #FuDevice
* @guid: A GUID, e.g. `2082b5e0-7a64-478a-b1b2-e3404fab6dad`
*
* Adds a GUID to the device. If the @guid argument is not a valid GUID then it
* is converted to a GUID using as_utils_guid_from_string().
*
* Since: 0.7.2
**/
void
fu_device_add_guid (FuDevice *device, const gchar *guid)
{
/* make valid */
if (!as_utils_guid_is_valid (guid)) {
g_autofree gchar *tmp = as_utils_guid_from_string (guid);
g_debug ("using %s for %s", tmp, guid);
fwupd_device_add_guid (FWUPD_DEVICE (device), tmp);
return;
}
/* already valid */
fwupd_device_add_guid (FWUPD_DEVICE (device), guid);
}
/**
* fu_device_get_metadata:
* @device: A #FuDevice
* @key: the key
*
* Gets an item of metadata from the device.
*
* Returns: a string value, or %NULL for unfound.
*
* Since: 0.1.0
**/
const gchar *
fu_device_get_metadata (FuDevice *device, const gchar *key)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_val_if_fail (FU_IS_DEVICE (device), NULL);
g_return_val_if_fail (key != NULL, NULL);
return g_hash_table_lookup (priv->metadata, key);
}
/**
* fu_device_get_metadata_boolean:
* @device: A #FuDevice
* @key: the key
*
* Gets an item of metadata from the device.
*
* Returns: a boolean value, or %FALSE for unfound or failure to parse.
*
* Since: 0.9.7
**/
gboolean
fu_device_get_metadata_boolean (FuDevice *device, const gchar *key)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
const gchar *tmp;
g_return_val_if_fail (FU_IS_DEVICE (device), FALSE);
g_return_val_if_fail (key != NULL, FALSE);
tmp = g_hash_table_lookup (priv->metadata, key);
if (tmp == NULL)
return FALSE;
return g_strcmp0 (tmp, "true") == 0;
}
/**
* fu_device_get_metadata_integer:
* @device: A #FuDevice
* @key: the key
*
* Gets an item of metadata from the device.
*
* Returns: a string value, or %G_MAXUINT for unfound or failure to parse.
*
* Since: 0.9.7
**/
guint
fu_device_get_metadata_integer (FuDevice *device, const gchar *key)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
const gchar *tmp;
gchar *endptr = NULL;
guint64 val;
g_return_val_if_fail (FU_IS_DEVICE (device), G_MAXUINT);
g_return_val_if_fail (key != NULL, G_MAXUINT);
tmp = g_hash_table_lookup (priv->metadata, key);
if (tmp == NULL)
return G_MAXUINT;
val = g_ascii_strtoull (tmp, &endptr, 10);
if (endptr != NULL && endptr[0] != '\0')
return G_MAXUINT;
if (val > G_MAXUINT)
return G_MAXUINT;
return (guint) val;
}
/**
* fu_device_set_metadata:
* @device: A #FuDevice
* @key: the key
* @value: the string value
*
* Sets an item of metadata on the device.
*
* Since: 0.1.0
**/
void
fu_device_set_metadata (FuDevice *device, const gchar *key, const gchar *value)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_if_fail (FU_IS_DEVICE (device));
g_return_if_fail (key != NULL);
g_return_if_fail (value != NULL);
g_hash_table_insert (priv->metadata, g_strdup (key), g_strdup (value));
}
/**
* fu_device_set_metadata_boolean:
* @device: A #FuDevice
* @key: the key
* @value: the boolean value
*
* Sets an item of metadata on the device. When @value is set to %TRUE
* the actual stored value is "true".
*
* Since: 0.9.7
**/
void
fu_device_set_metadata_boolean (FuDevice *device, const gchar *key, gboolean value)
{
fu_device_set_metadata (device, key, value ? "true" : "false");
}
/**
* fu_device_set_metadata_integer:
* @device: A #FuDevice
* @key: the key
* @value: the unsigned integer value
*
* Sets an item of metadata on the device. The integer is stored as a
* base-10 string internally.
*
* Since: 0.9.7
**/
void
fu_device_set_metadata_integer (FuDevice *device, const gchar *key, guint value)
{
g_autofree gchar *tmp = g_strdup_printf ("%u", value);
fu_device_set_metadata (device, key, tmp);
}
/**
* fu_device_set_name:
* @device: A #FuDevice
* @value: a device name
*
* Sets the name on the device. Any invalid parts will be converted or removed.
*
* Since: 0.7.1
**/
void
fu_device_set_name (FuDevice *device, const gchar *value)
{
g_autoptr(GString) new = g_string_new (value);
/* overwriting? */
if (g_strcmp0 (value, fu_device_get_name (device)) == 0) {
g_warning ("device %s overwriting same name value: %s",
fu_device_get_id (device), value);
return;
}
/* changing */
if (fu_device_get_name (device) != NULL) {
g_debug ("device %s overwriting name value: %s->%s",
fu_device_get_id (device),
fu_device_get_name (device),
value);
}
g_strdelimit (new->str, "_", ' ');
as_utils_string_replace (new, "(TM)", "");
fwupd_device_set_name (FWUPD_DEVICE (device), new->str);
}
/**
* fu_device_set_id:
* @device: A #FuDevice
* @id: a string, e.g. `tbt-port1`
*
* Sets the ID on the device. The ID should represent the *connection* of the
* device, so that any similar device plugged into a different slot will
* have a different @id string.
*
* The @id will be converted to a SHA1 hash before the device is added to the
* daemon, and plugins should not assume that the ID that is set here is the
* same as what is returned by fu_device_get_id().
*
* Since: 0.7.1
**/
void
fu_device_set_id (FuDevice *device, const gchar *id)
{
g_autofree gchar *id_hash = NULL;
g_return_if_fail (FU_IS_DEVICE (device));
g_return_if_fail (id != NULL);
id_hash = g_compute_checksum_for_string (G_CHECKSUM_SHA1, id, -1);
g_debug ("using %s for %s", id_hash, id);
fwupd_device_set_id (FWUPD_DEVICE (device), id_hash);
}
/**
* fu_device_set_serial:
* @device: A #FuDevice
* @serial: a serial number string, e.g. `0000123`
*
* Sets the serial number for the device.
*
* Since: 1.0.3
**/
void
fu_device_set_serial (FuDevice *device, const gchar *serial)
{
g_return_if_fail (FU_IS_DEVICE (device));
g_return_if_fail (serial != NULL);
fu_device_set_metadata (device, "serial", serial);
}
/**
* fu_device_get_serial:
* @device: A #FuDevice
*
* Gets the serial number for the device.
*
* Returns: a string value, or %NULL if never set.
*
* Since: 1.0.3
**/
const gchar *
fu_device_get_serial (FuDevice *device)
{
g_return_val_if_fail (FU_IS_DEVICE (device), NULL);
return fu_device_get_metadata (device, "serial");
}
/**
* fu_device_set_plugin_hints:
* @device: A #FuDevice
* @plugin_hints: a string
*
* Sets the hint the the plugin from the quirk system that can be used to
* do affect device matching. The actual string format is defined by the plugin.
*
* Since: 1.0.3
**/
void
fu_device_set_plugin_hints (FuDevice *device, const gchar *plugin_hints)
{
g_return_if_fail (FU_IS_DEVICE (device));
g_return_if_fail (plugin_hints != NULL);
fu_device_set_metadata (device, "PluginHints", plugin_hints);
}
/**
* fu_device_get_plugin_hints:
* @device: A #FuDevice
*
* Gets the plugin hint for the device from the quirk system.
*
* Returns: a string value, or %NULL if never set.
*
* Since: 1.0.3
**/
const gchar *
fu_device_get_plugin_hints (FuDevice *device)
{
g_return_val_if_fail (FU_IS_DEVICE (device), NULL);
return fu_device_get_metadata (device, "PluginHints");
}
/**
* fu_device_set_platform_id:
* @device: A #FuDevice
* @platform_id: a platform string, e.g. `/sys/devices/usb1/1-1/1-1.2`
*
* Sets the Platform ID on the device. If unset, the ID will automatically
* be set using a hash of the @platform_id value.
*
* Since: 1.0.2
**/
void
fu_device_set_platform_id (FuDevice *device, const gchar *platform_id)
{
g_return_if_fail (FU_IS_DEVICE (device));
g_return_if_fail (platform_id != NULL);
/* automatically use this */
if (fu_device_get_id (device) == NULL) {
g_autofree gchar *id_guid = NULL;
id_guid = g_strdup_printf ("%s:%s", platform_id,
fu_device_get_guid_default (device));
fu_device_set_id (device, id_guid);
}
fu_device_set_metadata (device, "platform-id", platform_id);
}
/**
* fu_device_get_platform_id:
* @device: A #FuDevice
*
* Gets the Platform ID set for the device, which represents the connection
* string used to compare devices.
*
* Returns: a string value, or %NULL if never set.
*
* Since: 1.0.2
**/
const gchar *
fu_device_get_platform_id (FuDevice *device)
{
g_return_val_if_fail (FU_IS_DEVICE (device), NULL);
return fu_device_get_metadata (device, "platform-id");
}
static void
fwupd_pad_kv_str (GString *str, const gchar *key, const gchar *value)
{
/* ignore */
if (key == NULL || value == NULL)
return;
g_string_append_printf (str, " %s: ", key);
for (gsize i = strlen (key); i < 20; i++)
g_string_append (str, " ");
g_string_append_printf (str, "%s\n", value);
}
/**
* fu_device_get_remove_delay:
* @device: A #FuDevice
*
* Returns the maximum delay expected when replugging the device going into
* bootloader mode.
*
* Returns: time in milliseconds
*
* Since: 1.0.2
**/
guint
fu_device_get_remove_delay (FuDevice *device)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_val_if_fail (FU_IS_DEVICE (device), 0);
return priv->remove_delay;
}
/**
* fu_device_set_remove_delay:
* @device: A #FuDevice
* @remove_delay: the remove_delay value
*
* Sets the amount of time a device is allowed to return in bootloader mode.
*
* NOTE: this should be less than 3000ms for devices that just have to reset
* and automatically re-enumerate, but significantly longer if it involves a
* user removing a cable, pressing several buttons and removing a cable.
* A suggested value for this would be 10,000ms.
*
* Since: 1.0.2
**/
void
fu_device_set_remove_delay (FuDevice *device, guint remove_delay)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_if_fail (FU_IS_DEVICE (device));
priv->remove_delay = remove_delay;
}
/**
* fu_device_get_status:
* @device: A #FuDevice
*
* Returns what the device is currently doing.
*
* Returns: the status value, e.g. %FWUPD_STATUS_DEVICE_WRITE
*
* Since: 1.0.3
**/
FwupdStatus
fu_device_get_status (FuDevice *device)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_val_if_fail (FU_IS_DEVICE (device), 0);
return priv->status;
}
/**
* fu_device_set_status:
* @device: A #FuDevice
* @status: the status value, e.g. %FWUPD_STATUS_DEVICE_WRITE
*
* Sets what the device is currently doing.
*
* Since: 1.0.3
**/
void
fu_device_set_status (FuDevice *device, FwupdStatus status)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_if_fail (FU_IS_DEVICE (device));
if (priv->status == status)
return;
priv->status = status;
g_object_notify (G_OBJECT (device), "status");
}
/**
* fu_device_get_progress:
* @device: A #FuDevice
*
* Returns the progress completion.
*
* Returns: value in percent
*
* Since: 1.0.3
**/
guint
fu_device_get_progress (FuDevice *device)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_val_if_fail (FU_IS_DEVICE (device), 0);
return priv->progress;
}
/**
* fu_device_set_progress:
* @device: A #FuDevice
* @progress: the progress percentage value
*
* Sets the progress completion.
*
* Since: 1.0.3
**/
void
fu_device_set_progress (FuDevice *device, guint progress)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_if_fail (FU_IS_DEVICE (device));
if (priv->progress == progress)
return;
priv->progress = progress;
g_object_notify (G_OBJECT (device), "progress");
}
/**
* fu_device_set_progress_full:
* @device: A #FuDevice
* @progress_done: the bytes already done
* @progress_total: the total number of bytes
*
* Sets the progress completion using the raw progress values.
*
* Since: 1.0.3
**/
void
fu_device_set_progress_full (FuDevice *device, gsize progress_done, gsize progress_total)
{
gdouble percentage = 0.f;
if (progress_total > 0)
percentage = (100.f * (gdouble) progress_done) / (gdouble) progress_total;
fu_device_set_progress (device, (guint) percentage);
}
/**
* fu_device_to_string:
* @device: A #FuDevice
*
* This allows us to easily print the FwupdDevice, the FwupdRelease and the
* daemon-specific metadata.
*
* Returns: a string value, or %NULL for invalid.
*
* Since: 0.9.8
**/
gchar *
fu_device_to_string (FuDevice *device)
{
FuDeviceClass *klass = FU_DEVICE_GET_CLASS (device);
FuDevicePrivate *priv = GET_PRIVATE (device);
GString *str = g_string_new ("");
g_autofree gchar *tmp = NULL;
g_autoptr(GList) keys = NULL;
g_return_val_if_fail (FU_IS_DEVICE (device), NULL);
tmp = fwupd_device_to_string (FWUPD_DEVICE (device));
if (tmp != NULL && tmp[0] != '\0')
g_string_append (str, tmp);
if (priv->equivalent_id != NULL)
fwupd_pad_kv_str (str, "EquivalentId", priv->equivalent_id);
keys = g_hash_table_get_keys (priv->metadata);
for (GList *l = keys; l != NULL; l = l->next) {
const gchar *key = l->data;
const gchar *value = g_hash_table_lookup (priv->metadata, key);
fwupd_pad_kv_str (str, key, value);
}
/* subclassed */
if (klass->to_string != NULL)
klass->to_string (device, str);
return g_string_free (str, FALSE);
}
/**
* fu_device_set_quirks:
* @device: A #FuDevice
* @quirks: A #FuQuirks, or %NULL
*
* Sets the optional quirk information which may be useful to this device.
* This is typically set after the #FuDevice has been created, but before
* the device has been opened or probed.
*
* Since: 1.0.3
**/
void
fu_device_set_quirks (FuDevice *device, FuQuirks *quirks)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_if_fail (FU_IS_DEVICE (device));
if (g_set_object (&priv->quirks, quirks))
g_object_notify (G_OBJECT (device), "quirks");
}
/**
* fu_device_get_quirks:
* @device: A #FuDevice
*
* Gets the quirk information which may be useful to this device.
*
* Returns: (transfer none): the #FuQuirks object, or %NULL
*
* Since: 1.0.3
**/
FuQuirks *
fu_device_get_quirks (FuDevice *device)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
g_return_val_if_fail (FU_IS_DEVICE (device), NULL);
return priv->quirks;
}
/**
* fu_device_get_release_default:
* @device: A #FuDevice
*
* Gets the default release for the device, creating one if not found.
*
* Returns: (transfer none): the #FwupdRelease object
*
* Since: 1.0.5
**/
FwupdRelease *
fu_device_get_release_default (FuDevice *device)
{
g_autoptr(FwupdRelease) rel = NULL;
if (fwupd_device_get_release_default (FWUPD_DEVICE (device)) != NULL)
return fwupd_device_get_release_default (FWUPD_DEVICE (device));
rel = fwupd_release_new ();
fwupd_device_add_release (FWUPD_DEVICE (device), rel);
return rel;
}
static void
fu_device_class_init (FuDeviceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GParamSpec *pspec;
object_class->finalize = fu_device_finalize;
object_class->get_property = fu_device_get_property;
object_class->set_property = fu_device_set_property;
pspec = g_param_spec_uint ("status", NULL, NULL,
FWUPD_STATUS_UNKNOWN,
FWUPD_STATUS_LAST,
FWUPD_STATUS_UNKNOWN,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME);
g_object_class_install_property (object_class, PROP_STATUS, pspec);
pspec = g_param_spec_uint ("progress", NULL, NULL,
0, 100, 0,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME);
g_object_class_install_property (object_class, PROP_PROGRESS, pspec);
pspec = g_param_spec_string ("platform-id", NULL, NULL, NULL,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME);
g_object_class_install_property (object_class, PROP_PLATFORM_ID, pspec);
pspec = g_param_spec_object ("quirks", NULL, NULL,
FU_TYPE_QUIRKS,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME);
g_object_class_install_property (object_class, PROP_QUIRKS, pspec);
}
static void
fu_device_init (FuDevice *device)
{
FuDevicePrivate *priv = GET_PRIVATE (device);
priv->status = FWUPD_STATUS_IDLE;
priv->metadata = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, g_free);
}
static void
fu_device_finalize (GObject *object)
{
FuDevice *device = FU_DEVICE (object);
FuDevicePrivate *priv = GET_PRIVATE (device);
if (priv->alternate != NULL)
g_object_unref (priv->alternate);
if (priv->quirks != NULL)
g_object_unref (priv->quirks);
g_hash_table_unref (priv->metadata);
g_free (priv->equivalent_id);
G_OBJECT_CLASS (fu_device_parent_class)->finalize (object);
}
FuDevice *
fu_device_new (void)
{
FuDevice *device;
device = g_object_new (FU_TYPE_DEVICE, NULL);
return FU_DEVICE (device);
}