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synaptics: Use the FpPrint ID generation functionality

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As the functionality is now part of the internal FpPrint API, it makes
sene to use it.
This commit is contained in:
Benjamin Berg 2020-04-20 16:39:56 +02:00
parent 0274d0783b
commit f71045b743
1 changed files with 2 additions and 67 deletions
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69
libfprint/drivers/synaptics/synaptics.c
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@ -515,39 +515,7 @@ list_msg_cb (FpiDeviceSynaptics *self,
g_object_set (print, "fpi-data", data, NULL);
g_object_set (print, "description", get_enroll_templates_resp->templates[n].user_id, NULL);
/* The format has 24 bytes at the start and some dashes in the right places */
if (g_str_has_prefix (userid, "FP1-") && strlen (userid) >= 24 &&
userid[12] == '-' && userid[14] == '-' && userid[23] == '-')
{
g_autofree gchar *copy = g_strdup (userid);
g_autoptr(GDate) date = NULL;
gint32 date_ymd;
gint32 finger;
gchar *username;
/* Try to parse information from the string. */
copy[12] = '\0';
date_ymd = g_ascii_strtod (copy + 4, NULL);
if (date_ymd > 0)
date = g_date_new_dmy (date_ymd % 100,
(date_ymd / 100) % 100,
date_ymd / 10000);
else
date = g_date_new ();
fp_print_set_enroll_date (print, date);
copy[14] = '\0';
finger = g_ascii_strtoll (copy + 13, NULL, 16);
fp_print_set_finger (print, finger);
/* We ignore the next chunk, it is just random data.
* Then comes the username; nobody is the default if the metadata
* is unknown */
username = copy + 24;
if (strlen (username) > 0 && g_strcmp0 (username, "nobody") != 0)
fp_print_set_username (print, username);
}
fpi_print_fill_from_user_id (print, userid);
g_ptr_array_add (self->list_result, g_object_ref_sink (print));
}
@ -795,8 +763,6 @@ enroll_msg_cb (FpiDeviceSynaptics *self,
}
}
#define TEMPLATE_ID_SIZE 20
static void
enroll (FpDevice *device)
{
@ -804,47 +770,16 @@ enroll (FpDevice *device)
FpPrint *print = NULL;
GVariant *data = NULL;
GVariant *uid = NULL;
const gchar *username;
guint finger;
g_autofree gchar *user_id = NULL;
gssize user_id_len;
g_autofree guint8 *payload = NULL;
const GDate *date;
gint y, m, d;
gint32 rand_id = 0;
fpi_device_get_enroll_data (device, &print);
G_DEBUG_HERE ();
date = fp_print_get_enroll_date (print);
if (date && g_date_valid (date))
{
y = g_date_get_year (date);
m = g_date_get_month (date);
d = g_date_get_day (date);
}
else
{
y = 0;
m = 0;
d = 0;
}
username = fp_print_get_username (print);
if (!username)
username = "nobody";
if (g_strcmp0 (g_getenv ("FP_DEVICE_EMULATION"), "1") == 0)
rand_id = 0;
else
rand_id = g_random_int ();
user_id = g_strdup_printf ("FP1-%04d%02d%02d-%X-%08X-%s",
y, m, d,
fp_print_get_finger (print),
rand_id,
username);
user_id = fpi_print_generate_user_id (print);
user_id_len = strlen (user_id);
user_id_len = MIN (BMKT_MAX_USER_ID_LEN, user_id_len);