diff --git a/examples/verify_live.c b/examples/verify_live.c deleted file mode 100644 index 4c02ff2..0000000 --- a/examples/verify_live.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * Example fingerprint verification program - * Copyright (C) 2007 Daniel Drake - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include - -#include - -struct fp_dscv_dev *discover_device(struct fp_dscv_dev **discovered_devs) -{ - struct fp_dscv_dev *ddev = discovered_devs[0]; - struct fp_driver *drv; - if (!ddev) - return NULL; - - drv = fp_dscv_dev_get_driver(ddev); - printf("Found device claimed by %s driver\n", fp_driver_get_full_name(drv)); - return ddev; -} - -struct fp_print_data *enroll(struct fp_dev *dev) { - struct fp_print_data *enrolled_print = NULL; - int r; - - printf("You will need to successfully scan your finger %d times to " - "complete the process.\n", fp_dev_get_nr_enroll_stages(dev)); - - do { - printf("\nScan your finger now.\n"); - r = fp_enroll_finger(dev, &enrolled_print); - if (r < 0) { - printf("Enroll failed with error %d\n", r); - return NULL; - } - switch (r) { - case FP_ENROLL_COMPLETE: - printf("Enroll complete!\n"); - break; - case FP_ENROLL_FAIL: - printf("Enroll failed, something wen't wrong :(\n"); - return NULL; - case FP_ENROLL_PASS: - printf("Enroll stage passed. Yay!\n"); - break; - case FP_ENROLL_RETRY: - printf("Didn't quite catch that. Please try again.\n"); - break; - case FP_ENROLL_RETRY_TOO_SHORT: - printf("Your swipe was too short, please try again.\n"); - break; - case FP_ENROLL_RETRY_CENTER_FINGER: - printf("Didn't catch that, please center your finger on the " - "sensor and try again.\n"); - break; - case FP_ENROLL_RETRY_REMOVE_FINGER: - printf("Scan failed, please remove your finger and then try " - "again.\n"); - break; - } - } while (r != FP_ENROLL_COMPLETE); - - if (!enrolled_print) { - fprintf(stderr, "Enroll complete but no print?\n"); - return NULL; - } - - printf("Enrollment completed!\n\n"); - return enrolled_print; -} - -int verify(struct fp_dev *dev, struct fp_print_data *data) -{ - int r; - - do { - sleep(1); - printf("\nScan your finger now.\n"); - r = fp_verify_finger(dev, data); - if (r < 0) { - printf("verification failed with error %d :(\n", r); - return r; - } - switch (r) { - case FP_VERIFY_NO_MATCH: - printf("NO MATCH!\n"); - return 0; - case FP_VERIFY_MATCH: - printf("MATCH!\n"); - return 0; - case FP_VERIFY_RETRY: - printf("Scan didn't quite work. Please try again.\n"); - break; - case FP_VERIFY_RETRY_TOO_SHORT: - printf("Swipe was too short, please try again.\n"); - break; - case FP_VERIFY_RETRY_CENTER_FINGER: - printf("Please center your finger on the sensor and try again.\n"); - break; - case FP_VERIFY_RETRY_REMOVE_FINGER: - printf("Please remove finger from the sensor and try again.\n"); - break; - } - } while (1); -} - -int main(void) -{ - int r = 1; - struct fp_dscv_dev *ddev; - struct fp_dscv_dev **discovered_devs; - struct fp_dev *dev; - struct fp_print_data *data; - - setenv ("G_MESSAGES_DEBUG", "all", 0); - setenv ("LIBUSB_DEBUG", "3", 0); - - r = fp_init(); - if (r < 0) { - fprintf(stderr, "Failed to initialize libfprint\n"); - exit(1); - } - - discovered_devs = fp_discover_devs(); - if (!discovered_devs) { - fprintf(stderr, "Could not discover devices\n"); - goto out; - } - - ddev = discover_device(discovered_devs); - if (!ddev) { - fprintf(stderr, "No devices detected.\n"); - goto out; - } - - dev = fp_dev_open(ddev); - fp_dscv_devs_free(discovered_devs); - if (!dev) { - fprintf(stderr, "Could not open device.\n"); - goto out; - } - - printf("Opened device. It's now time to enroll your finger.\n\n"); - data = enroll(dev); - if (!data) - goto out_close; - - - printf("Normally we'd save that print to disk, and recall it at some " - "point later when we want to authenticate the user who just " - "enrolled. In the interests of demonstration, we'll authenticate " - "that user immediately.\n"); - - do { - char buffer[20]; - - verify(dev, data); - printf("Verify again? [Y/n]? "); - fgets(buffer, sizeof(buffer), stdin); - if (buffer[0] != '\n' && buffer[0] != 'y' && buffer[0] != 'Y') - break; - } while (1); - - fp_print_data_free(data); -out_close: - fp_dev_close(dev); -out: - fp_exit(); - return r; -} - -