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Add an option to provide fingerprint data.

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This commit is contained in:
Jef Driesen 2010-02-04 10:47:13 +00:00
parent 4b590ba5e2
commit 82a315ddc5
1 changed files with 57 additions and 3 deletions
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60
examples/universal.c
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@ -86,6 +86,42 @@ lookup_name (device_type_t type)
return NULL;
}
static unsigned char
hex2dec (unsigned char value)
{
if (value >= '0' && value <= '9')
return value - '0';
else if (value >= 'A' && value <= 'F')
return value - 'A' + 10;
else if (value >= 'a' && value <= 'f')
return value - 'a' + 10;
else
return 0;
}
static dc_buffer_t *
fpconvert (const char *fingerprint)
{
// Get the length of the fingerprint data.
size_t nbytes = (fingerprint ? strlen (fingerprint) / 2 : 0);
if (nbytes == 0)
return NULL;
// Allocate a memory buffer.
dc_buffer_t *buffer = dc_buffer_new (nbytes);
// Convert the hexadecimal string.
for (unsigned int i = 0; i < nbytes; ++i) {
unsigned char msn = hex2dec (fingerprint[i * 2 + 0]);
unsigned char lsn = hex2dec (fingerprint[i * 2 + 1]);
unsigned char byte = (msn << 4) + lsn;
dc_buffer_append (buffer, &byte, 1);
}
return buffer;
}
static void
event_cb (device_t *device, device_event_t event, const void *data, void *userdata)
{
@ -166,6 +202,7 @@ usage (const char *filename)
fprintf (stderr, " %s [options] devname\n\n", filename);
fprintf (stderr, "Options:\n\n");
fprintf (stderr, " -b name Set backend name (required).\n");
fprintf (stderr, " -f hexdata Set fingerprint data.\n");
fprintf (stderr, " -l logfile Set logfile.\n");
fprintf (stderr, " -o output Set output filename.\n");
fprintf (stderr, " -d Download dives only.\n");
@ -189,7 +226,7 @@ usage (const char *filename)
static device_status_t
dowork (device_type_t backend, const char *devname, const char *filename, int memory, int dives)
dowork (device_type_t backend, const char *devname, const char *filename, int memory, int dives, dc_buffer_t *fingerprint)
{
device_status_t rc = DEVICE_STATUS_SUCCESS;
@ -271,6 +308,17 @@ dowork (device_type_t backend, const char *devname, const char *filename, int me
return rc;
}
// Register the fingerprint data.
if (fingerprint) {
message ("Registering the fingerprint data.\n");
rc = device_set_fingerprint (device, dc_buffer_get_data (fingerprint), dc_buffer_get_size (fingerprint));
if (rc != DEVICE_STATUS_SUCCESS) {
WARNING ("Error registering the fingerprint data.");
device_close (device);
return rc;
}
}
if (memory) {
// Allocate a memory buffer.
dc_buffer_t *buffer = dc_buffer_new (0);
@ -327,16 +375,20 @@ main (int argc, char *argv[])
const char *logfile = "output.log";
const char *filename = "output.bin";
const char *devname = NULL;
const char *fingerprint = NULL;
int memory = 1, dives = 1;
#ifndef _MSC_VER
// Parse command-line options.
int opt = 0;
while ((opt = getopt (argc, argv, "b:l:o:mdh")) != -1) {
while ((opt = getopt (argc, argv, "b:f:l:o:mdh")) != -1) {
switch (opt) {
case 'b':
backend = lookup_type (optarg);
break;
case 'f':
fingerprint = optarg;
break;
case 'l':
logfile = optarg;
break;
@ -375,7 +427,9 @@ main (int argc, char *argv[])
message_set_logfile (logfile);
device_status_t rc = dowork (backend, devname, filename, memory, dives);
dc_buffer_t *fp = fpconvert (fingerprint);
device_status_t rc = dowork (backend, devname, filename, memory, dives, fp);
dc_buffer_free (fp);
message ("Result: %s\n", errmsg (rc));
message_set_logfile (NULL);