/* Display an Econet socket address */
static const char *
ec_sprint(struct sockaddr *sap, int numeric)
{
struct sockaddr_ec *sec = (struct sockaddr_ec *) sap;
if (sap->sa_family != AF_ECONET)
return _("[NONE SET]");
return ec_print((const char *) &sec->addr);
}
void ec_push(const char *fcn, const char *file, int line,
const char *str, int errno_arg, EC_ERRTYPE type)
{
struct ec_node node, *p;
size_t len;
static bool attexit_called = false;
ec_mutex(true);
node.ec_errno = errno_arg;
node.ec_type = type;
if (str == NULL)
str = "";
len = strlen(fcn) + strlen(SEP1) + strlen(file) + strlen(SEP2) +
6 + strlen(SEP3) + strlen(str) + 1;
node.ec_context = (char *)calloc(1, len);
if (node.ec_context == NULL) {
if (ec_s_emergency[0] == '\0')
node.ec_context = ec_s_emergency;
else
node.ec_context = "?";
len = sizeof(ec_s_emergency);
}
if (node.ec_context != NULL)
snprintf(node.ec_context, len, "%s%s%s%s%d%s%s", fcn, SEP1,
file, SEP2, line, SEP3, str);
p = (struct ec_node *)calloc(1, sizeof(struct ec_node));
if (p == NULL && ec_node_emergency.ec_context == NULL)
p = &ec_node_emergency; /* use just once */
if (p != NULL) {
node.ec_next = ec_head;
ec_head = p;
*ec_head = node;
}
if (!attexit_called) {
attexit_called = true;
ec_mutex(false);
if (atexit(ec_atexit_fcn) != 0) {
ec_push(fcn, file, line, "atexit failed", errno, EC_ERRNO);
ec_print(); /* so at least the error gets shown */
}
}
else
ec_mutex(false);
}
void display_overlay(uint8_t *vram_address) {
char buffer[LP_MAX_WORD];
if (FLAG_GUI_MODE == GUIMODE_OLC && AE_IS_CREATIVE(DPData.ae)) {
if (FLAG_DISPLAY_ON) {
int current_cmode = get_current_cmode();
if (status.msm_active)
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_BLACK, COLOR_GRAY), 35, 96, "[***]");
else if (status.cmode_active && current_cmode != CMODE_NONE)
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_BLACK, COLOR_GRAY), 16, 96, "%s", cmodes_config.names[current_cmode]);
if (status.fexp && DPData.tv_val != TV_VAL_BULB)
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_BLACK, COLOR_GRAY), 138, 32, "#");
if (settings.autoiso_enable && (DPData.ae != AE_MODE_M || DPData.tv_val != TV_VAL_BULB))
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_BLACK, COLOR_GRAY), 237, 14, "%s", AUTOISO_AUTO);
if (DPData.wb == WB_MODE_COLORTEMP)
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_BLACK, COLOR_GRAY), 50, 138, "%d", DPData.color_temp);
if (DPData.ae_bkt) {
ec_print(buffer, DPData.ae_bkt);
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_BLACK, COLOR_GRAY), 224, 96, "%s", buffer);
}
#ifdef RELEASE
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_BLACK, COLOR_BLUE), 148, 0, LP_WORD(L_P_400PLUS));
#else
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_BLACK, COLOR_RED ), 20, 0, LP_WORD(L_A_WARNING));
#endif
if (*display_message) {
if(timestamp() < message_timeout)
bmp_printf(vram_address, FONT(FONT_SMALL, COLOR_WHITE, COLOR_BLACK), 16, 228, display_message);
else
*display_message = '\0';
}
}
}
}
static void tests_relic_ecdh(void)
{
/* The following is an example for doing an elliptic-curve Diffie-Hellman
key exchange.
*/
/* Select an elliptic curve configuration */
if (ec_param_set_any() == STS_OK) {
#if (TEST_RELIC_SHOW_OUTPUT == 1)
ec_param_print();
#endif
bn_t privateA;
ec_t publicA;
uint8_t sharedKeyA[MD_LEN];
bn_t privateB;
ec_t publicB;
uint8_t sharedKeyB[MD_LEN];
bn_null(privateA);
ec_null(publicA);
bn_new(privateA);
ec_new(publicA);
bn_null(privateB);
ec_null(publicB);
bn_new(privateB);
ec_new(publicB);
/* User A generates private/public key pair */
TEST_ASSERT_EQUAL_INT(STS_OK, cp_ecdh_gen(privateA, publicA));
#if (TEST_RELIC_SHOW_OUTPUT == 1)
printf("User A\n");
printf("======\n");
printf("private key: ");
bn_print(privateA);
printf("\npublic key: ");
ec_print(publicA);
printf("\n");
#endif
/* User B generates private/public key pair */
TEST_ASSERT_EQUAL_INT(STS_OK, cp_ecdh_gen(privateB, publicB));
#if (TEST_RELIC_SHOW_OUTPUT == 1)
printf("User B\n");
printf("======\n");
printf("private key: ");
bn_print(privateB);
printf("\npublic key: ");
ec_print(publicB);
printf("\n");
#endif
/* In a protocol you would exchange the public keys now */
/* User A calculates shared secret */
TEST_ASSERT_EQUAL_INT(STS_OK, cp_ecdh_key(sharedKeyA, MD_LEN, privateA, publicB));
#if (TEST_RELIC_SHOW_OUTPUT == 1)
printf("\nshared key computed by user A: ");
print_mem(sharedKeyA, MD_LEN);
#endif
/* User B calculates shared secret */
TEST_ASSERT_EQUAL_INT(STS_OK, cp_ecdh_key(sharedKeyB, MD_LEN, privateB, publicA));
#if (TEST_RELIC_SHOW_OUTPUT == 1)
printf("\nshared key computed by user B: ");
print_mem(sharedKeyB, MD_LEN);
#endif
/* The secrets should be the same now */
TEST_ASSERT_EQUAL_INT(CMP_EQ, util_cmp_const(sharedKeyA, sharedKeyB, MD_LEN));
bn_free(privateA);
ec_free(publicA);
bn_free(privateB);
ec_free(publicB);
#if (TEST_RELIC_SHOW_OUTPUT == 1)
printf("\nRELIC EC-DH test successful\n");
#endif
}
}
acpi_status
ec_add_device(
BM_HANDLE device_handle,
void **context)
{
acpi_status status = AE_OK;
BM_DEVICE *device = NULL;
EC_CONTEXT *ec = NULL;
u8 gpe_handler = FALSE;
u8 space_handler = FALSE;
FUNCTION_TRACE("ec_add_device");
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Adding EC device [%02x].\n", device_handle));
if (!context || *context) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/*
* Get information on this device.
*/
status = bm_get_device_info(device_handle, &device);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/*
* Allocate a new EC_CONTEXT structure.
*/
ec = acpi_os_callocate(sizeof(EC_CONTEXT));
if (!ec) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
ec->device_handle = device->handle;
ec->acpi_handle = device->acpi_handle;
/*
* Get the I/O port addresses for the command/status and data ports.
*/
status = ec_get_port_values(ec);
if (ACPI_FAILURE(status)) {
goto end;
}
/*
* See if we need to obtain the global lock for EC transactions.
*/
status = bm_evaluate_simple_integer(ec->acpi_handle, "_GLK",
&ec->use_global_lock);
if (status == AE_NOT_FOUND) {
ec->use_global_lock = 0;
}
else if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "EC _GLK failed\n"));
goto end;
}
/*
* Install a handler for servicing this EC's GPE.
*/
status = ec_install_gpe_handler(ec);
if (ACPI_FAILURE(status)) {
goto end;
}
else {
gpe_handler = TRUE;
}
/*
* Install a handler for servicing this EC's address space.
*/
status = ec_install_space_handler(ec);
if (ACPI_FAILURE(status)) {
goto end;
}
else {
space_handler = TRUE;
}
/*
* Create a semaphore to serialize EC transactions.
*/
status = acpi_os_create_semaphore(1,1, &(ec->mutex));
if (ACPI_FAILURE(status)) {
goto end;
}
/*
* Context now contains information specific to this EC. Note
* that we'll get this pointer back on every ec_request() and
* ec_notify().
*/
*context = ec;
ec_print(ec);
end:
if (ACPI_FAILURE(status)) {
if (gpe_handler) {
ec_remove_gpe_handler(ec);
}
if (space_handler) {
ec_remove_space_handler(ec);
}
if (ec->mutex) {
acpi_os_delete_semaphore(ec->mutex);
}
acpi_os_free(ec);
}
return_ACPI_STATUS(status);
}
/*[ec_atexit_fcn]*/
static void ec_atexit_fcn(void)
{
ec_print();
}