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examples: Make possible to select the finger to enroll/verify

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Move some common functions to an utilities file.
This commit is contained in:
Marco Trevisan (Treviño)
2019-11-20 14:29:46 +01:00
committed by Benjamin Berg
parent f2b932960e
commit ab804f7f49
6 changed files with 169 additions and 59 deletions
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30
examples/verify.c
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@@ -1,5 +1,5 @@
/*
* Example fingerprint verification program, which verifies the right index
* Example fingerprint verification program, which verifies the
* finger which has been previously enrolled to disk.
* Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
* Copyright (C) 2019 Marco Trevisan <marco.trevisan@canonical.com>
@@ -23,10 +23,12 @@
#include <libfprint/fprint.h>
#include "storage.h"
#include "utilities.h"
typedef struct _VerifyData
{
GMainLoop *loop;
FpFinger finger;
int ret_value;
} VerifyData;
@@ -134,7 +136,7 @@ on_list_completed (FpDevice *dev, GAsyncResult *res, gpointer user_data)
{
FpPrint *print = prints->pdata[i];
if (fp_print_get_finger (print) == FP_FINGER_RIGHT_INDEX &&
if (fp_print_get_finger (print) == verify_data->finger &&
g_strcmp0 (fp_print_get_username (print), g_get_user_name ()) == 0)
{
if (!verify_print ||
@@ -146,8 +148,8 @@ on_list_completed (FpDevice *dev, GAsyncResult *res, gpointer user_data)
if (!verify_print)
{
g_warning ("Did you remember to enroll your right index "
"finger first?");
g_warning ("Did you remember to enroll your %s finger first?",
finger_to_string (verify_data->finger));
g_main_loop_quit (verify_data->loop);
return;
}
@@ -170,6 +172,17 @@ on_list_completed (FpDevice *dev, GAsyncResult *res, gpointer user_data)
static void
start_verification (FpDevice *dev, VerifyData *verify_data)
{
g_print ("Choose the finger to verify:\n");
verify_data->finger = finger_chooser ();
if (verify_data->finger == FP_FINGER_UNKNOWN)
{
g_warning ("Unknown finger selected");
verify_data->ret_value = EXIT_FAILURE;
g_main_loop_quit (verify_data->loop);
return;
}
if (fp_device_has_storage (dev))
{
g_print ("Creating finger template, using device storage...\n");
@@ -179,16 +192,17 @@ start_verification (FpDevice *dev, VerifyData *verify_data)
}
else
{
g_print ("Loading previously enrolled right index finger data...\n");
g_print ("Loading previously enrolled %s finger data...\n",
finger_to_string (verify_data->finger));
g_autoptr(FpPrint) verify_print;
verify_print = print_data_load (dev, FP_FINGER_RIGHT_INDEX);
verify_print = print_data_load (dev, verify_data->finger);
if (!verify_print)
{
g_warning ("Failed to load fingerprint data");
g_warning ("Did you remember to enroll your right index "
"finger first?");
g_warning ("Did you remember to enroll your %s finger first?",
finger_to_string (verify_data->finger));
g_main_loop_quit (verify_data->loop);
return;
}