tests: update u2ftest to auto-confirm when needed

tests/fido_tests/u2f-tests-hid/dev.cc

@@ -7,12 +7,6 @@
 // Thin shim to allow abstracting away from hid_* calls to
 // a set or read/write pipes w/ a particular interface.
 #include <assert.h>
-#include <endian.h>
-#include <fcntl.h>
-#include <string.h>
-
-#include <string>
-
 #include "u2f_util.h"
 
 bool DEV_opened(struct U2Fob* device) {
@@ -24,10 +18,19 @@ void DEV_close(struct U2Fob* device) {
     hid_close(device->dev);
     device->dev = NULL;
   }
+  if (device->dev_debug) {
+    hid_close(device->dev_debug);
+    device->dev_debug = NULL;
+  }
 }
 
 void DEV_open_path(struct U2Fob* device) {
   device->dev = hid_open_path(device->path);
+  if (atoi(device->path) != 21325) {
+    device->dev_debug = hid_open_path("21325");
+  } else {
+    device->dev_debug = NULL;
+  }
 }
 
 int DEV_write(struct U2Fob* device, const uint8_t* src, size_t n) {
@@ -42,5 +45,12 @@ int DEV_read_timeout(struct U2Fob* device, uint8_t* dst, size_t n,
 }
 
 int DEV_touch(struct U2Fob* device) {
-  return 0;
+  if (!device->dev_debug) {
+    return 0;
+  }
+  sleep(1);
+  // send DebugLinkDecision{yes_no=True} to DebugLink interface
+  hid_write(device->dev_debug, (const uint8_t *)"\x00?##\x00" "d\x00\x00\x00\x02\x08\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 65);
+  sleep(1);
+  return 1;
 }

tests/fido_tests/u2f-tests-hid/hidapi-udp.c

@@ -21,6 +21,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 #include <errno.h>
 #include <arpa/inet.h>
@@ -42,6 +43,7 @@ hid_device *hid_open_path(const char *path) {
   }
 
   hid_device *d = malloc(sizeof(hid_device));
+  memset(d, 0, sizeof(hid_device));
   d->fd = fd;
 
   d->other.sin_family = AF_INET;
@@ -75,7 +77,7 @@ int hid_write(hid_device *device, const unsigned char *data, size_t length) {
     fprintf(stderr, "Failed to write socket\n");
     return -1;
   }
-  usleep(1000);
+  usleep(1500);
   return length;
 }
 
@@ -85,7 +87,7 @@ int hid_read_timeout(hid_device *device, unsigned char *data, size_t length, int
     return -1;
   }
   for (int i = 0; i < milliseconds; i++) {
-    usleep(1000);
+    usleep(1500);
     ssize_t n = recvfrom(device->fd, data, length, MSG_DONTWAIT, (struct sockaddr *)&(device->other), &(device->slen));
     if (n < 0) {
       if (errno == EAGAIN && errno == EWOULDBLOCK) { // timeout tick