device.c 19.6 KB
Newer Older
Daniel Drake's avatar
Daniel Drake committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
/*
 * /net/reactivated/Fprint/Device/foo object implementation
 * Copyright (C) 2008 Daniel Drake <dsd@gentoo.org>
 *
 * 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.
 */

20
21
#include "config.h"

Daniel Drake's avatar
Daniel Drake committed
22
#include <dbus/dbus-glib-bindings.h>
23
24
#include <dbus/dbus-glib-lowlevel.h>
#include <glib/gi18n.h>
Bastien Nocera's avatar
Bastien Nocera committed
25
26
#include <polkit/polkit.h>
#include <polkit-dbus/polkit-dbus.h>
Daniel Drake's avatar
Daniel Drake committed
27
28
#include <libfprint/fprint.h>

29
30
31
#include <sys/types.h>
#include <pwd.h>

Daniel Drake's avatar
Daniel Drake committed
32
#include "fprintd.h"
33
#include "storage.h"
Daniel Drake's avatar
Daniel Drake committed
34

35
36
extern DBusGConnection *fprintd_dbus_conn;

Bastien Nocera's avatar
Bastien Nocera committed
37
38
39
static void fprint_device_set_username(FprintDevice *rdev,
	const char *username,
	DBusGMethodInvocation *context);
Bastien Nocera's avatar
Bastien Nocera committed
40
static void fprint_device_claim(FprintDevice *rdev,
Daniel Drake's avatar
Daniel Drake committed
41
	DBusGMethodInvocation *context);
Bastien Nocera's avatar
Bastien Nocera committed
42
static void fprint_device_release(FprintDevice *rdev,
Daniel Drake's avatar
Daniel Drake committed
43
	DBusGMethodInvocation *context);
Bastien Nocera's avatar
Bastien Nocera committed
44
static void fprint_device_verify_start(FprintDevice *rdev,
45
	guint32 print_id, DBusGMethodInvocation *context);
Bastien Nocera's avatar
Bastien Nocera committed
46
static void fprint_device_verify_stop(FprintDevice *rdev,
Daniel Drake's avatar
Daniel Drake committed
47
	DBusGMethodInvocation *context);
Bastien Nocera's avatar
Bastien Nocera committed
48
static void fprint_device_enroll_start(FprintDevice *rdev,
49
	guint32 finger_num, DBusGMethodInvocation *context);
Bastien Nocera's avatar
Bastien Nocera committed
50
static void fprint_device_enroll_stop(FprintDevice *rdev,
Daniel Drake's avatar
Daniel Drake committed
51
	DBusGMethodInvocation *context);
52
53
static void fprint_device_list_enrolled_fingers(FprintDevice *rdev, 
	DBusGMethodInvocation *context);
Bastien Nocera's avatar
Bastien Nocera committed
54
55
static void fprint_device_delete_enrolled_fingers(FprintDevice *rdev,
	DBusGMethodInvocation *context);
Daniel Drake's avatar
Daniel Drake committed
56
57
58
59

#include "device-dbus-glue.h"

struct session_data {
Daniel Drake's avatar
Daniel Drake committed
60
61
62
	/* finger being enrolled */
	int enroll_finger;

Daniel Drake's avatar
Daniel Drake committed
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
	/* method invocation for async ClaimDevice() */
	DBusGMethodInvocation *context_claim_device;

	/* method invocation for async ReleaseDevice() */
	DBusGMethodInvocation *context_release_device;
};

struct loaded_print {
	guint32 id;
	struct fp_print_data *data;
};

struct FprintDevicePrivate {
	guint32 id;
	struct fp_dscv_dev *ddev;
	struct fp_dev *dev;
	struct session_data *session;
80

Bastien Nocera's avatar
Bastien Nocera committed
81
82
	PolKitContext *pol_ctx;

83
84
85
	/* The current user of the device, if claimed */
	char *sender;

86
	/* Either the current user of the device, or if allowed,
Bastien Nocera's avatar
Bastien Nocera committed
87
	 * what was set using SetUsername */
88
89
	char *username;

90
91
	/* type of storage */
	int storage_type;
Daniel Drake's avatar
Daniel Drake committed
92
93
94
95
96
97
98
99
100
101
};

typedef struct FprintDevicePrivate FprintDevicePrivate;

#define DEVICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), FPRINT_TYPE_DEVICE, FprintDevicePrivate))

enum fprint_device_properties {
	FPRINT_DEVICE_CONSTRUCT_DDEV = 1,
};

102
enum fprint_device_signals {
Daniel Drake's avatar
Daniel Drake committed
103
104
	SIGNAL_VERIFY_STATUS,
	SIGNAL_ENROLL_STATUS,
105
106
107
	NUM_SIGNALS,
};

Daniel Drake's avatar
Daniel Drake committed
108
109
static GObjectClass *parent_class = NULL;
static guint32 last_id = ~0;
110
static guint signals[NUM_SIGNALS] = { 0, };
Daniel Drake's avatar
Daniel Drake committed
111

112
static void fprint_device_finalize(GObject *object)
Daniel Drake's avatar
Daniel Drake committed
113
114
115
116
{
	/* FIXME close and stuff */
}

117
static void fprint_device_set_property(GObject *object, guint property_id,
Daniel Drake's avatar
Daniel Drake committed
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
	const GValue *value, GParamSpec *pspec)
{
	FprintDevice *self = (FprintDevice *) object;
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(self);

	switch (property_id) {
	case FPRINT_DEVICE_CONSTRUCT_DDEV:
		priv->ddev = g_value_get_pointer(value);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
		break;
	}
}

133
static void fprint_device_class_init(FprintDeviceClass *klass)
Daniel Drake's avatar
Daniel Drake committed
134
135
136
137
138
139
140
141
{
	GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
	GParamSpec *pspec;

	dbus_g_object_type_install_info(FPRINT_TYPE_DEVICE,
		&dbus_glib_fprint_device_object_info);
	parent_class = g_type_class_peek_parent(klass);

142
143
	gobject_class->finalize = fprint_device_finalize;
	gobject_class->set_property = fprint_device_set_property;
144
	g_type_class_add_private(klass, sizeof(FprintDevicePrivate));
Daniel Drake's avatar
Daniel Drake committed
145
146
147
148
149
150
151

	pspec = g_param_spec_pointer("discovered-dev", "Discovered device",
		"Set discovered device construction property",
		G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE);
	g_object_class_install_property(gobject_class,
		FPRINT_DEVICE_CONSTRUCT_DDEV, pspec);

Daniel Drake's avatar
Daniel Drake committed
152
153
154
155
	signals[SIGNAL_VERIFY_STATUS] = g_signal_new("verify-status",
		G_TYPE_FROM_CLASS(gobject_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL,
		g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
	signals[SIGNAL_ENROLL_STATUS] = g_signal_new("enroll-status",
156
157
		G_TYPE_FROM_CLASS(gobject_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL,
		g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
Daniel Drake's avatar
Daniel Drake committed
158
159
}

Bastien Nocera's avatar
Bastien Nocera committed
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
static gboolean
pk_io_watch_have_data (GIOChannel *channel, GIOCondition condition, gpointer user_data)
{
	int fd;
	PolKitContext *pk_context = user_data;
	fd = g_io_channel_unix_get_fd (channel);
	polkit_context_io_func (pk_context, fd);
	return TRUE;
}

static int 
pk_io_add_watch (PolKitContext *pk_context, int fd)
{
	guint id = 0;
	GIOChannel *channel;
	channel = g_io_channel_unix_new (fd);
	if (channel == NULL)
		goto out;
	id = g_io_add_watch (channel, G_IO_IN, pk_io_watch_have_data, pk_context);
	if (id == 0) {
		g_io_channel_unref (channel);
		goto out;
	}
	g_io_channel_unref (channel);
out:
	return id;
}

static void 
pk_io_remove_watch (PolKitContext *pk_context, int watch_id)
{
	g_source_remove (watch_id);
}

194
static void fprint_device_init(FprintDevice *device)
Daniel Drake's avatar
Daniel Drake committed
195
{
196
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(device);
Daniel Drake's avatar
Daniel Drake committed
197
	priv->id = ++last_id;
Bastien Nocera's avatar
Bastien Nocera committed
198
199
200
201
202
203
204
205
206

	/* Setup PolicyKit */
	priv->pol_ctx = polkit_context_new ();
	polkit_context_set_io_watch_functions (priv->pol_ctx, pk_io_add_watch, pk_io_remove_watch);
	if (!polkit_context_init (priv->pol_ctx, NULL)) {
		g_critical ("cannot initialize libpolkit");
		polkit_context_unref (priv->pol_ctx);
		priv->pol_ctx = NULL;
	}
Daniel Drake's avatar
Daniel Drake committed
207
208
}

209
G_DEFINE_TYPE(FprintDevice, fprint_device, G_TYPE_OBJECT);
Daniel Drake's avatar
Daniel Drake committed
210
211
212
213
214
215
216
217
218
219
220

FprintDevice *fprint_device_new(struct fp_dscv_dev *ddev)
{
	return g_object_new(FPRINT_TYPE_DEVICE, "discovered-dev", ddev, NULL);	
}

guint32 _fprint_device_get_id(FprintDevice *rdev)
{
	return DEVICE_GET_PRIVATE(rdev)->id;
}

221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
static gboolean
_fprint_device_check_claimed (FprintDevice *rdev,
			      DBusGMethodInvocation *context,
			      GError **error)
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	DBusConnection *conn;
	char *sender;
	gboolean retval;

	/* The device wasn't claimed, exit */
	if (priv->sender == NULL) {
		g_set_error (error, FPRINT_ERROR, FPRINT_ERROR_CLAIM_DEVICE,
			     _("Device was not claimed before use"));
		return FALSE;
	}

	conn = dbus_g_connection_get_connection (fprintd_dbus_conn);
	sender = dbus_g_method_get_sender (context);
	retval = g_str_equal (sender, priv->sender);
	g_free (sender);

	if (retval == FALSE) {
		g_set_error (error, FPRINT_ERROR, FPRINT_ERROR_ALREADY_IN_USE,
			     _("Device already in use by another user"));
	}

	return retval;
}

Bastien Nocera's avatar
Bastien Nocera committed
251
static gboolean
Bastien Nocera's avatar
Bastien Nocera committed
252
_fprint_device_check_polkit_for_action (FprintDevice *rdev, DBusGMethodInvocation *context, const char *action, GError **error)
Bastien Nocera's avatar
Bastien Nocera committed
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	const char *sender;
	DBusError dbus_error;
	PolKitCaller *pk_caller;
	PolKitAction *pk_action;
	PolKitResult pk_result;

	/* Check that caller is privileged */
	sender = dbus_g_method_get_sender (context);
	dbus_error_init (&dbus_error);
	pk_caller = polkit_caller_new_from_dbus_name (
	    dbus_g_connection_get_connection (fprintd_dbus_conn),
	    sender, 
	    &dbus_error);
	if (pk_caller == NULL) {
Bastien Nocera's avatar
Bastien Nocera committed
269
270
271
272
		g_set_error (error, FPRINT_ERROR,
			     FPRINT_ERROR_INTERNAL,
			     "Error getting information about caller: %s: %s",
			     dbus_error.name, dbus_error.message);
Bastien Nocera's avatar
Bastien Nocera committed
273
274
275
276
277
278
279
		dbus_error_free (&dbus_error);
		return FALSE;
	}

	pk_action = polkit_action_new ();
	polkit_action_set_action_id (pk_action, action);
	pk_result = polkit_context_is_caller_authorized (priv->pol_ctx, pk_action, pk_caller,
Bastien Nocera's avatar
Bastien Nocera committed
280
							 TRUE, NULL);
Bastien Nocera's avatar
Bastien Nocera committed
281
282
283
284
	polkit_caller_unref (pk_caller);
	polkit_action_unref (pk_action);

	if (pk_result != POLKIT_RESULT_YES) {
Bastien Nocera's avatar
Bastien Nocera committed
285
286
287
288
289
		g_set_error (error, FPRINT_ERROR,
			     FPRINT_ERROR_INTERNAL,
			     "%s %s <-- (action, result)",
			     action,
			     polkit_result_to_string_representation (pk_result));
Bastien Nocera's avatar
Bastien Nocera committed
290
291
292
293
294
295
296
		dbus_error_free (&dbus_error);
		return FALSE;
	}

	return TRUE;
}

Bastien Nocera's avatar
Bastien Nocera committed
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
static gboolean
_fprint_device_check_polkit_for_actions (FprintDevice *rdev,
					 DBusGMethodInvocation *context,
					 const char *action1,
					 const char *action2,
					 GError **error)
{
	if (_fprint_device_check_polkit_for_action (rdev, context, action1, error) != FALSE)
		return TRUE;

	g_error_free (*error);
	*error = NULL;

	return _fprint_device_check_polkit_for_action (rdev, context, action2, error);
}

static void
fprint_device_set_username (FprintDevice *rdev,
			    const char *username,
			    DBusGMethodInvocation *context)
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	GError *error = NULL;

	if (_fprint_device_check_claimed(rdev, context, &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

	if (_fprint_device_check_polkit_for_action (rdev, context, "net.reactivated.fprint.device.setusername", &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

	if (username == NULL) {
		dbus_g_method_return (context);
		return;
	}

	g_free (priv->username);
	priv->username = g_strdup (username);

	dbus_g_method_return (context);
}

Daniel Drake's avatar
Daniel Drake committed
342
343
344
345
346
347
348
349
350
351
static void dev_open_cb(struct fp_dev *dev, int status, void *user_data)
{
	FprintDevice *rdev = user_data;
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	struct session_data *session = priv->session;

	g_message("device %d claim status %d", priv->id, status);

	if (status != 0) {
		GError *error;
352
353
354
355

		g_free (priv->sender);
		priv->sender = NULL;

Daniel Drake's avatar
Daniel Drake committed
356
357
358
359
360
361
362
363
364
365
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_CLAIM_DEVICE,
			"Open failed with error %d", status);
		dbus_g_method_return_error(session->context_claim_device, error);
		return;
	}

	priv->dev = dev;
	dbus_g_method_return(session->context_claim_device);
}

Bastien Nocera's avatar
Bastien Nocera committed
366
static void fprint_device_claim(FprintDevice *rdev,
Daniel Drake's avatar
Daniel Drake committed
367
368
369
370
	DBusGMethodInvocation *context)
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	GError *error = NULL;
371
372
373
374
	DBusConnection *conn;
	DBusError dbus_error;
	char *sender;
	unsigned long uid;
375
	struct passwd *user;
Daniel Drake's avatar
Daniel Drake committed
376
377
	int r;

378
	/* Is it already claimed? */
379
380
381
382
	if (priv->sender != NULL) {
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_CLAIM_DEVICE,
			    "Device was already claimed");
		dbus_g_method_return_error(context, error);
Bastien Nocera's avatar
Bastien Nocera committed
383
		return;
384
385
	}

Bastien Nocera's avatar
Bastien Nocera committed
386
387
388
389
390
391
392
393
	if (_fprint_device_check_polkit_for_actions (rdev, context,
						     "net.reactivated.fprint.device.verify",
						     "net.reactivated.fprint.device.enroll",
						     &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

394
	/* Get details about the current sender, and username/uid */
395
396
397
398
399
400
401
402
403
404
	conn = dbus_g_connection_get_connection (fprintd_dbus_conn);
	sender = dbus_g_method_get_sender (context);
	dbus_error_init (&dbus_error);
	uid = dbus_bus_get_unix_user (conn, sender, &dbus_error);

	if (dbus_error_is_set(&dbus_error)) {
		g_free (sender);
		dbus_set_g_error (&error, &dbus_error);
		dbus_g_method_return_error(context, error);
		g_error_free (error);
Bastien Nocera's avatar
Bastien Nocera committed
405
		return;
406
407
	}

408
409
410
411
412
413
414
415
416
417
	user = getpwuid (uid);
	if (user == NULL) {
		g_free (sender);
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_CLAIM_DEVICE,
			"Failed to get information about user UID %lu", uid);
		dbus_g_method_return_error(context, error);
		return;
	}

	priv->username = g_strdup (user->pw_name);
418
419
	priv->sender = sender;

420
	g_message ("user claiming the device: %s (%ld)", priv->username, uid);
421
422
	/* FIXME call polkit to check whether allowed */

Daniel Drake's avatar
Daniel Drake committed
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
	g_message("claiming device %d", priv->id);
	priv->session = g_slice_new0(struct session_data);
	priv->session->context_claim_device = context;

	r = fp_async_dev_open(priv->ddev, dev_open_cb, rdev);
	if (r < 0) {
		g_slice_free(struct session_data, priv->session);
		priv->session = NULL;
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_CLAIM_DEVICE,
			"Could not attempt device open, error %d", r);
		dbus_g_method_return_error(context, error);
	}
}

static void dev_close_cb(struct fp_dev *dev, void *user_data)
{
	FprintDevice *rdev = user_data;
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	struct session_data *session = priv->session;
	DBusGMethodInvocation *context = session->context_release_device;

	priv->dev = NULL;
	g_slice_free(struct session_data, session);
	priv->session = NULL;

448
449
450
	g_free (priv->sender);
	priv->sender = NULL;

451
452
453
	g_free (priv->username);
	priv->username = NULL;

Daniel Drake's avatar
Daniel Drake committed
454
455
456
457
	g_message("released device %d", priv->id);
	dbus_g_method_return(context);
}

Bastien Nocera's avatar
Bastien Nocera committed
458
static void fprint_device_release(FprintDevice *rdev,
Daniel Drake's avatar
Daniel Drake committed
459
460
461
462
	DBusGMethodInvocation *context)
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	struct session_data *session = priv->session;
463
464
465
466
	GError *error = NULL;

	if (_fprint_device_check_claimed(rdev, context, &error) == FALSE) {
		dbus_g_method_return_error (context, error);
Bastien Nocera's avatar
Bastien Nocera committed
467
		return;
468
	}
Daniel Drake's avatar
Daniel Drake committed
469

Bastien Nocera's avatar
Bastien Nocera committed
470
471
472
473
474
475
476
477
478
	/* People that can claim can also release */
	if (_fprint_device_check_polkit_for_actions (rdev, context,
						     "net.reactivated.fprint.device.verify",
						     "net.reactivated.fprint.device.enroll",
						     &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

Daniel Drake's avatar
Daniel Drake committed
479
480
481
482
483
484
485
486
487
488
	session->context_release_device = context;
	fp_async_dev_close(priv->dev, dev_close_cb, rdev);
}

static void verify_cb(struct fp_dev *dev, int r, struct fp_img *img,
	void *user_data)
{
	struct FprintDevice *rdev = user_data;
	g_message("verify_cb: result %d", r);

Daniel Drake's avatar
Daniel Drake committed
489
	g_signal_emit(rdev, signals[SIGNAL_VERIFY_STATUS], 0, r);
490
	fp_img_free(img);
Daniel Drake's avatar
Daniel Drake committed
491
492
}

Bastien Nocera's avatar
Bastien Nocera committed
493
static void fprint_device_verify_start(FprintDevice *rdev,
494
	guint32 finger_num, DBusGMethodInvocation *context)
Daniel Drake's avatar
Daniel Drake committed
495
496
497
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	struct fp_print_data *data = NULL;
498
	GError *error = NULL;
Daniel Drake's avatar
Daniel Drake committed
499
500
	int r;

501
502
	if (_fprint_device_check_claimed(rdev, context, &error) == FALSE) {
		dbus_g_method_return_error (context, error);
Bastien Nocera's avatar
Bastien Nocera committed
503
		return;
504
505
	}

Bastien Nocera's avatar
Bastien Nocera committed
506
507
508
509
510
	if (_fprint_device_check_polkit_for_action (rdev, context, "net.reactivated.fprint.device.verify", &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

511
512
	g_message("start verification device %d finger %d", priv->id, finger_num);

513
514
	r = store.print_data_load(priv->dev, (enum fp_finger)finger_num, 
				  &data, priv->username);
515
516

	if (r < 0 || !data) {
517
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_NO_SUCH_LOADED_PRINT,
518
			"No such print %d", finger_num);
519
		dbus_g_method_return_error(context, error);
Bastien Nocera's avatar
Bastien Nocera committed
520
		return;
Daniel Drake's avatar
Daniel Drake committed
521
522
	}
	
523
	/* FIXME fp_async_verify_start should copy the fp_print_data */
Daniel Drake's avatar
Daniel Drake committed
524
525
	r = fp_async_verify_start(priv->dev, data, verify_cb, rdev);
	if (r < 0) {
526
		fp_print_data_free (data);
527
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_VERIFY_START,
Daniel Drake's avatar
Daniel Drake committed
528
			"Verify start failed with error %d", r);
529
		dbus_g_method_return_error(context, error);
Bastien Nocera's avatar
Bastien Nocera committed
530
		return;
Daniel Drake's avatar
Daniel Drake committed
531
532
	}

533
	dbus_g_method_return(context);
Daniel Drake's avatar
Daniel Drake committed
534
535
536
537
538
539
540
}

static void verify_stop_cb(struct fp_dev *dev, void *user_data)
{
	dbus_g_method_return((DBusGMethodInvocation *) user_data);
}

Bastien Nocera's avatar
Bastien Nocera committed
541
static void fprint_device_verify_stop(FprintDevice *rdev,
Daniel Drake's avatar
Daniel Drake committed
542
543
544
	DBusGMethodInvocation *context)
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
545
	GError *error = NULL;
Daniel Drake's avatar
Daniel Drake committed
546
547
	int r;

548
549
	if (_fprint_device_check_claimed(rdev, context, &error) == FALSE) {
		dbus_g_method_return_error (context, error);
Bastien Nocera's avatar
Bastien Nocera committed
550
		return;
551
552
	}

Bastien Nocera's avatar
Bastien Nocera committed
553
554
555
556
557
	if (_fprint_device_check_polkit_for_action (rdev, context, "net.reactivated.fprint.device.verify", &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

Daniel Drake's avatar
Daniel Drake committed
558
559
560
561
562
563
564
565
	r = fp_async_verify_stop(priv->dev, verify_stop_cb, context);
	if (r < 0) {
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_VERIFY_STOP,
			"Verify stop failed with error %d", r);
		dbus_g_method_return_error(context, error);
	}
}

Daniel Drake's avatar
Daniel Drake committed
566
567
568
569
570
571
static void enroll_stage_cb(struct fp_dev *dev, int result,
	struct fp_print_data *print, struct fp_img *img, void *user_data)
{
	struct FprintDevice *rdev = user_data;
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	struct session_data *session = priv->session;
Bastien Nocera's avatar
Bastien Nocera committed
572
	int r;
Daniel Drake's avatar
Daniel Drake committed
573
574

	g_message("enroll_stage_cb: result %d", result);
Bastien Nocera's avatar
Bastien Nocera committed
575
	if (result == FP_ENROLL_COMPLETE) {
576
		r = store.print_data_save(print, session->enroll_finger, priv->username);
Bastien Nocera's avatar
Bastien Nocera committed
577
578
579
		if (r < 0)
			result = FP_ENROLL_FAIL;
	}
Daniel Drake's avatar
Daniel Drake committed
580
581
582
583
584
585

	g_signal_emit(rdev, signals[SIGNAL_ENROLL_STATUS], 0, result);
	fp_img_free(img);
	fp_print_data_free(print);
}

Bastien Nocera's avatar
Bastien Nocera committed
586
static void fprint_device_enroll_start(FprintDevice *rdev,
587
	guint32 finger_num, DBusGMethodInvocation *context)
Daniel Drake's avatar
Daniel Drake committed
588
589
590
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	struct session_data *session = priv->session;
591
	GError *error = NULL;
Daniel Drake's avatar
Daniel Drake committed
592
593
	int r;

594
595
	if (_fprint_device_check_claimed(rdev, context, &error) == FALSE) {
		dbus_g_method_return_error (context, error);
Bastien Nocera's avatar
Bastien Nocera committed
596
		return;
597
598
	}

Bastien Nocera's avatar
Bastien Nocera committed
599
600
601
602
603
	if (_fprint_device_check_polkit_for_action (rdev, context, "net.reactivated.fprint.device.enroll", &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

Daniel Drake's avatar
Daniel Drake committed
604
605
606
607
608
	g_message("start enrollment device %d finger %d", priv->id, finger_num);
	session->enroll_finger = finger_num;
	
	r = fp_async_enroll_start(priv->dev, enroll_stage_cb, rdev);
	if (r < 0) {
609
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_ENROLL_START,
Daniel Drake's avatar
Daniel Drake committed
610
			"Enroll start failed with error %d", r);
611
		dbus_g_method_return_error(context, error);
Bastien Nocera's avatar
Bastien Nocera committed
612
		return;
Daniel Drake's avatar
Daniel Drake committed
613
614
	}

615
	dbus_g_method_return(context);
Daniel Drake's avatar
Daniel Drake committed
616
617
618
619
620
621
622
}

static void enroll_stop_cb(struct fp_dev *dev, void *user_data)
{
	dbus_g_method_return((DBusGMethodInvocation *) user_data);
}

Bastien Nocera's avatar
Bastien Nocera committed
623
static void fprint_device_enroll_stop(FprintDevice *rdev,
Daniel Drake's avatar
Daniel Drake committed
624
625
626
	DBusGMethodInvocation *context)
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
627
	GError *error = NULL;
Daniel Drake's avatar
Daniel Drake committed
628
629
	int r;

630
631
	if (_fprint_device_check_claimed(rdev, context, &error) == FALSE) {
		dbus_g_method_return_error (context, error);
Bastien Nocera's avatar
Bastien Nocera committed
632
		return;
633
634
	}

Bastien Nocera's avatar
Bastien Nocera committed
635
636
637
638
639
	if (_fprint_device_check_polkit_for_action (rdev, context, "net.reactivated.fprint.device.enroll", &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

Daniel Drake's avatar
Daniel Drake committed
640
641
642
643
644
	r = fp_async_enroll_stop(priv->dev, enroll_stop_cb, context);
	if (r < 0) {
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_ENROLL_STOP,
			"Enroll stop failed with error %d", r);
		dbus_g_method_return_error(context, error);
Bastien Nocera's avatar
Bastien Nocera committed
645
		return;
Daniel Drake's avatar
Daniel Drake committed
646
647
648
	}
}

649
650
static void fprint_device_list_enrolled_fingers(FprintDevice *rdev,
	DBusGMethodInvocation *context)
651
652
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
653
	GError *error = NULL;
654
655
656
657
	GSList *prints;
	GSList *item;
	GArray *ret;

658
659
	if (_fprint_device_check_claimed(rdev, context, &error) == FALSE) {
		dbus_g_method_return_error (context, error);
Bastien Nocera's avatar
Bastien Nocera committed
660
		return;
661
662
	}

Bastien Nocera's avatar
Bastien Nocera committed
663
664
665
666
667
	if (_fprint_device_check_polkit_for_action (rdev, context, "net.reactivated.fprint.device.verify", &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

668
	prints = store.discover_prints(priv->dev, priv->username);
669
	if (!prints) {
670
		g_set_error(&error, FPRINT_ERROR, FPRINT_ERROR_DISCOVER_PRINTS,
671
			"Failed to discover prints");
672
		dbus_g_method_return_error(context, error);
Bastien Nocera's avatar
Bastien Nocera committed
673
		return;
674
675
676
677
678
679
680
681
682
	}

	ret = g_array_new(FALSE, FALSE, sizeof(int));
	for (item = prints; item; item = item->next) {
		int *fingerptr = (int *)item->data;
		ret = g_array_append_val(ret, *fingerptr);
	}

	g_slist_free(prints);
683

684
	dbus_g_method_return(context, ret);
685
686
}

Bastien Nocera's avatar
Bastien Nocera committed
687
688
689
690
691
692
693
694
695
696
697
698
static void fprint_device_delete_enrolled_fingers(FprintDevice *rdev,
						  DBusGMethodInvocation *context)
{
	FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
	GError *error = NULL;
	guint i;

	if (_fprint_device_check_claimed(rdev, context, &error) == FALSE) {
		dbus_g_method_return_error (context, error);
		return;
	}

699
	if (_fprint_device_check_polkit_for_action (rdev, context, "net.reactivated.fprint.device.enroll", &error) == FALSE) {
Bastien Nocera's avatar
Bastien Nocera committed
700
701
702
703
704
		dbus_g_method_return_error (context, error);
		return;
	}

	for (i = LEFT_THUMB; i <= RIGHT_LITTLE; i++) {
705
		store.print_data_delete(priv->dev, i, priv->username);
Bastien Nocera's avatar
Bastien Nocera committed
706
707
708
709
710
	}

	dbus_g_method_return(context);
}