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Use D-Bus properties instead of GetProperties

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- Use D-Bus native properties instead of a GetProperties call.
- Fix a number of front-ends by registering the right signals and
marshallers following the "done" signal argument addition
- Fix VerifyStart call in the pam module
This commit is contained in:
Bastien Nocera
2008-11-22 00:00:06 +00:00
committed by Daniel Drake
parent f1f2ae35f8
commit c9fdeb47aa
9 changed files with 148 additions and 66 deletions
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4
TODO
View File

@ -7,9 +7,6 @@ Enforce command sequences:
Verify PAM messages fit with GDM/gnome-screensaver
Add API docs (see doc/dbus and doc subdir):
http://gitweb.freedesktop.org/?p=DeviceKit/DeviceKit-disks.git;a=tree
Register fprintd' po file with Transifex, Rosetta or the Translation Project
Support insertion/removal of devices
@ -24,4 +21,3 @@ Add POS use case
Review error cases, and possible errors
Use property instead of a GetProperties method for devices

11
pam/Makefile.am
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@ -3,11 +3,20 @@ if HAVE_PAM
pammod_PROGRAMS = pam_fprintd.so
pammoddir=$(libdir)/security
pam_fprintd_so_SOURCES = pam_fprintd.c
pam_fprintd_so_SOURCES = pam_fprintd.c $(MARSHALFILES)
pam_fprintd_so_CFLAGS = -fPIC $(WARN_CFLAGS) $(GLIB_CFLAGS)
pam_fprintd_so_LDFLAGS = -shared
pam_fprintd_so_LDADD = $(PAM_LIBS) $(GLIB_LIBS)
MARSHALFILES = marshal.c marshal.h
GLIB_GENMARSHAL=`pkg-config --variable=glib_genmarshal glib-2.0`
BUILT_SOURCES = $(MARSHALFILES)
marshal.h: $(top_srcdir)/src/fprintd-marshal.list
( $(GLIB_GENMARSHAL) --prefix=fprintd_marshal $(top_srcdir)/src/fprintd-marshal.list --header > marshal.h )
marshal.c: marshal.h
( $(GLIB_GENMARSHAL) --prefix=fprintd_marshal $(top_srcdir)/src/fprintd-marshal.list --body --header > marshal.c )
endif
EXTRA_DIST = pam_fprintd.c

28
pam/pam_fprintd.c
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@ -32,6 +32,8 @@
#define PAM_SM_AUTH
#include <security/pam_modules.h>
#include "marshal.h"
#define MAX_TRIES 3
#define TIMEOUT 30
@ -303,6 +305,7 @@ static int do_verify(DBusGConnection *connection, GMainLoop *loop, pam_handle_t
{
GError *error;
GHashTable *props;
DBusGProxy *p;
verify_data *data;
int ret;
@ -311,20 +314,28 @@ static int do_verify(DBusGConnection *connection, GMainLoop *loop, pam_handle_t
data->pamh = pamh;
data->loop = loop;
if (dbus_g_proxy_call (dev, "GetProperties", &error, G_TYPE_INVALID,
dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_STRING), &props, G_TYPE_INVALID)) {
/* Get some properties for the device */
p = dbus_g_proxy_new_for_name(connection,
"net.reactivated.Fprint", dbus_g_proxy_get_path (dev),
"org.freedesktop.DBus.Properties");
if (dbus_g_proxy_call (p, "GetAll", &error, G_TYPE_INVALID,
dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), &props, G_TYPE_INVALID)) {
const char *scan_type;
data->driver = g_value_dup_string (g_hash_table_lookup (props, "Name"));
scan_type = g_value_dup_string (g_hash_table_lookup (props, "ScanType"));
data->driver = g_value_dup_string (g_hash_table_lookup (props, "name"));
scan_type = g_value_dup_string (g_hash_table_lookup (props, "scan-type"));
if (g_str_equal (scan_type, "swipe"))
data->is_swipe = TRUE;
g_hash_table_destroy (props);
}
g_object_unref (p);
if (!data->driver)
data->driver = g_strdup ("Fingerprint reader");
dbus_g_proxy_add_signal(dev, "VerifyStatus", G_TYPE_INT, NULL);
dbus_g_proxy_add_signal(dev, "VerifyFingerSelected", G_TYPE_INT, NULL);
dbus_g_proxy_add_signal(dev, "VerifyStatus", G_TYPE_STRING, G_TYPE_BOOLEAN, NULL);
dbus_g_proxy_add_signal(dev, "VerifyFingerSelected", G_TYPE_STRING, NULL);
dbus_g_proxy_connect_signal(dev, "VerifyStatus", G_CALLBACK(verify_result),
data, NULL);
dbus_g_proxy_connect_signal(dev, "VerifyFingerSelected", G_CALLBACK(verify_finger_selected),
@ -343,7 +354,7 @@ static int do_verify(DBusGConnection *connection, GMainLoop *loop, pam_handle_t
data->timed_out = FALSE;
if (!dbus_g_proxy_call (dev, "VerifyStart", &error, G_TYPE_UINT, -1, G_TYPE_INVALID, G_TYPE_INVALID)) {
if (!dbus_g_proxy_call (dev, "VerifyStart", &error, G_TYPE_STRING, "any", G_TYPE_INVALID, G_TYPE_INVALID)) {
D(g_message("VerifyStart failed: %s", error->message));
g_error_free (error);
@ -434,6 +445,9 @@ PAM_EXTERN int pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc,
g_type_init ();
dbus_g_object_register_marshaller (fprintd_marshal_VOID__STRING_BOOLEAN,
G_TYPE_NONE, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_INVALID);
pam_get_item(pamh, PAM_RHOST, (const void **)(const void*) &rhost);
if (rhost != NULL && strlen(rhost) > 0) {
/* remote login (e.g. over SSH) */

76
src/device.c
View File

@ -68,8 +68,6 @@ static void fprint_device_list_enrolled_fingers(FprintDevice *rdev,
static void fprint_device_delete_enrolled_fingers(FprintDevice *rdev,
const char *username,
DBusGMethodInvocation *context);
static void fprint_device_get_properties (FprintDevice *rdev,
DBusGMethodInvocation *context);
#include "device-dbus-glue.h"
@ -123,6 +121,9 @@ typedef struct FprintDevicePrivate FprintDevicePrivate;
enum fprint_device_properties {
FPRINT_DEVICE_CONSTRUCT_DDEV = 1,
FPRINT_DEVICE_IN_USE,
FPRINT_DEVICE_NAME,
FPRINT_DEVICE_NUM_ENROLL,
FPRINT_DEVICE_SCAN_TYPE
};
enum fprint_device_signals {
@ -171,6 +172,26 @@ static void fprint_device_get_property(GObject *object, guint property_id,
case FPRINT_DEVICE_IN_USE:
g_value_set_boolean(value, g_hash_table_size (priv->clients) != 0);
break;
case FPRINT_DEVICE_NAME:
g_value_set_static_string (value, fp_driver_get_full_name (fp_dscv_dev_get_driver (priv->ddev)));
break;
case FPRINT_DEVICE_NUM_ENROLL:
if (priv->dev)
g_value_set_int (value, fp_dev_get_nr_enroll_stages (priv->dev));
else
g_value_set_int (value, -1);
break;
case FPRINT_DEVICE_SCAN_TYPE: {
const char *type;
if (fp_driver_get_scan_type (fp_dscv_dev_get_driver (priv->ddev)) == FP_SCAN_TYPE_PRESS)
type = "press";
else
type = "swipe";
g_value_set_static_string (value, type);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
@ -196,12 +217,31 @@ static void fprint_device_class_init(FprintDeviceClass *klass)
G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE);
g_object_class_install_property(gobject_class,
FPRINT_DEVICE_CONSTRUCT_DDEV, pspec);
pspec = g_param_spec_boolean("in-use", "In use",
"Whether the device is currently in use", FALSE,
G_PARAM_READABLE);
g_object_class_install_property(gobject_class,
FPRINT_DEVICE_IN_USE, pspec);
pspec = g_param_spec_string("name", "Name",
"The product name of the device", NULL,
G_PARAM_READABLE);
g_object_class_install_property(gobject_class,
FPRINT_DEVICE_NAME, pspec);
pspec = g_param_spec_string("scan-type", "Scan Type",
"The scan type of the device", "press",
G_PARAM_READABLE);
g_object_class_install_property(gobject_class,
FPRINT_DEVICE_SCAN_TYPE, pspec);
pspec = g_param_spec_int("num-enroll-stages", "Number of enrollments stages",
"Number of enrollment stages for the device.",
-1, G_MAXINT, -1, G_PARAM_READABLE);
g_object_class_install_property(gobject_class,
FPRINT_DEVICE_NUM_ENROLL, pspec);
signals[SIGNAL_VERIFY_STATUS] = g_signal_new("verify-status",
G_TYPE_FROM_CLASS(gobject_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL,
fprintd_marshal_VOID__STRING_BOOLEAN, G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_BOOLEAN);
@ -1147,35 +1187,3 @@ static void fprint_device_delete_enrolled_fingers(FprintDevice *rdev,
dbus_g_method_return(context);
}
static void fprint_device_get_properties (FprintDevice *rdev,
DBusGMethodInvocation *context)
{
FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
GHashTable *table;
GValue *value;
table = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_free);
value = g_new0 (GValue, 1);
g_value_init (value, G_TYPE_STRING);
g_value_set_string (value, fp_driver_get_full_name (fp_dscv_dev_get_driver (priv->ddev)));
g_hash_table_insert (table, "Name", value);
value = g_new0 (GValue, 1);
g_value_init (value, G_TYPE_STRING);
g_value_set_static_string (value,
fp_driver_get_scan_type (fp_dscv_dev_get_driver (priv->ddev)) == FP_SCAN_TYPE_PRESS ? "press" : "swipe");
g_hash_table_insert (table, "ScanType", value);
if (priv->dev != NULL) {
value = g_new0 (GValue, 1);
g_value_init (value, G_TYPE_INT);
g_value_set_int (value, fp_dev_get_nr_enroll_stages (priv->dev));
g_hash_table_insert (table, "NumberEnrollStages", value);
}
dbus_g_method_return (context, table);
g_hash_table_destroy (table);
}

40
src/device.xml
View File

@ -447,10 +447,42 @@
<!-- ************************************************************ -->
<method name="GetProperties">
<arg type="a{sv}" name="properties" direction="out" />
<annotation name="org.freedesktop.DBus.GLib.Async" value="" />
</method>
<property name="name" type="s" access="read">
<doc:doc>
<doc:description>
<doc:para>
The product name of the device.
</doc:para>
</doc:description>
</doc:doc>
</property>
<!-- ************************************************************ -->
<property name="num-enroll-stages" type="i" access="read">
<doc:doc>
<doc:description>
<doc:para>
The number of enrollment stages for the device. This is only available when the device has been claimed, otherwise it will be undefined (-1).
</doc:para>
<doc:seealso>
<doc:ref type="method" to="Device.Claim">Device.Claim</doc:ref> and <doc:ref type="method" to="Device.EnrollStart">Device.EnrollStart</doc:ref>.
</doc:seealso>
</doc:description>
</doc:doc>
</property>
<!-- ************************************************************ -->
<property name="scan-type" type="s" access="read">
<doc:doc>
<doc:description>
<doc:para>
The scan type of the device, either "press" if you place your finger on the device, or "swipe" if you have to swipe your finger.
</doc:para>
</doc:description>
</doc:doc>
</property>
</interface>
</node>

14
tests/Makefile.am
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@ -1,14 +1,14 @@
BUILT_SOURCES = manager-dbus-glue.h device-dbus-glue.h
BUILT_SOURCES = manager-dbus-glue.h device-dbus-glue.h $(MARSHALFILES)
noinst_HEADERS = $(BUILT_SOURCES)
CLEANFILES = $(BUILT_SOURCES)
bin_PROGRAMS = fprintd-verify fprintd-enroll fprintd-list
fprintd_verify_SOURCES = verify.c
fprintd_verify_SOURCES = verify.c $(MARSHALFILES)
fprintd_verify_CFLAGS = $(WARN_CFLAGS) $(GLIB_CFLAGS)
fprintd_verify_LDADD = $(GLIB_LIBS)
fprintd_enroll_SOURCES = enroll.c
fprintd_enroll_SOURCES = enroll.c $(MARSHALFILES)
fprintd_enroll_CFLAGS = $(WARN_CFLAGS) $(GLIB_CFLAGS)
fprintd_enroll_LDADD = $(GLIB_LIBS)
@ -21,3 +21,11 @@ manager-dbus-glue.h: ../src/manager.xml
device-dbus-glue.h: ../src/device.xml
dbus-binding-tool --prefix=fprint_device --mode=glib-client $< --output=$@
MARSHALFILES = marshal.c marshal.h
GLIB_GENMARSHAL=`pkg-config --variable=glib_genmarshal glib-2.0`
marshal.h: $(top_srcdir)/src/fprintd-marshal.list
( $(GLIB_GENMARSHAL) --prefix=fprintd_marshal $(top_srcdir)/src/fprintd-marshal.list --header > marshal.h )
marshal.c: marshal.h
( $(GLIB_GENMARSHAL) --prefix=fprintd_marshal $(top_srcdir)/src/fprintd-marshal.list --body --header > marshal.c )

7
tests/enroll.c
View File

@ -21,6 +21,7 @@
#include <dbus/dbus-glib-bindings.h>
#include "manager-dbus-glue.h"
#include "device-dbus-glue.h"
#include "marshal.h"
static DBusGProxy *manager = NULL;
static DBusGConnection *connection = NULL;
@ -79,7 +80,7 @@ static void do_enroll(DBusGProxy *dev)
GError *error;
gboolean enroll_completed = FALSE;
dbus_g_proxy_add_signal(dev, "EnrollStatus", G_TYPE_INT, NULL);
dbus_g_proxy_add_signal(dev, "EnrollStatus", G_TYPE_STRING, G_TYPE_BOOLEAN, NULL);
dbus_g_proxy_connect_signal(dev, "EnrollStatus", G_CALLBACK(enroll_result),
&enroll_completed, NULL);
@ -111,6 +112,10 @@ int main(int argc, char **argv)
char *username;
g_type_init();
dbus_g_object_register_marshaller (fprintd_marshal_VOID__STRING_BOOLEAN,
G_TYPE_NONE, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_INVALID);
loop = g_main_loop_new(NULL, FALSE);
create_manager();

14
tests/list.c
View File

@ -44,6 +44,7 @@ static void list_fingerprints(DBusGProxy *dev, const char *username)
GError *error = NULL;
char **fingers;
GHashTable *props;
DBusGProxy *p;
guint i;
if (!net_reactivated_Fprint_Device_list_enrolled_fingers(dev, username, &fingers, &error))
@ -54,14 +55,19 @@ static void list_fingerprints(DBusGProxy *dev, const char *username)
return;
}
if (!net_reactivated_Fprint_Device_get_properties(dev, &props, &error))
g_error("GetProperties failed: %s", error->message);
p = dbus_g_proxy_new_for_name(connection,
"net.reactivated.Fprint", dbus_g_proxy_get_path (dev),
"org.freedesktop.DBus.Properties");
if (!dbus_g_proxy_call (p, "GetAll", &error, G_TYPE_STRING, "net.reactivated.Fprint.Device", G_TYPE_INVALID,
dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), &props, G_TYPE_INVALID))
g_error("GetAll on the Properties interface failed: %s", error->message);
g_print("Fingerprints for user %s on %s (%s):\n",
username,
g_value_get_string (g_hash_table_lookup (props, "Name")),
g_value_get_string (g_hash_table_lookup (props, "ScanType")));
g_value_get_string (g_hash_table_lookup (props, "name")),
g_value_get_string (g_hash_table_lookup (props, "scan-type")));
g_hash_table_destroy (props);
g_object_unref (p);
for (i = 0; fingers[i] != NULL; i++) {
g_print(" - #%d: %s\n", i, fingers[i]);

6
tests/verify.c
View File

@ -23,6 +23,7 @@
#include <dbus/dbus-glib-bindings.h>
#include "manager-dbus-glue.h"
#include "device-dbus-glue.h"
#include "marshal.h"
static DBusGProxy *manager = NULL;
static DBusGConnection *connection = NULL;
@ -114,7 +115,7 @@ static void do_verify(DBusGProxy *dev)
GError *error;
gboolean verify_completed = FALSE;
dbus_g_proxy_add_signal(dev, "VerifyStatus", G_TYPE_INT, NULL);
dbus_g_proxy_add_signal(dev, "VerifyStatus", G_TYPE_STRING, G_TYPE_BOOLEAN, NULL);
dbus_g_proxy_add_signal(dev, "VerifyFingerSelected", G_TYPE_INT, NULL);
dbus_g_proxy_connect_signal(dev, "VerifyStatus", G_CALLBACK(verify_result),
&verify_completed, NULL);
@ -158,6 +159,9 @@ int main(int argc, char **argv)
g_type_init();
dbus_g_object_register_marshaller (fprintd_marshal_VOID__STRING_BOOLEAN,
G_TYPE_NONE, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_INVALID);
context = g_option_context_new ("Verify a fingerprint");
g_option_context_add_main_entries (context, entries, NULL);