+++ /dev/null
-/*
- * Implement the 7816 portion of the card spec
- *
- * This code is licensed under the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- */
-
-#include "glib-compat.h"
-
-#include <string.h>
-
-#include "vcard.h"
-#include "vcard_emul.h"
-#include "card_7816.h"
-
-/*
- * set the status bytes based on the status word
- */
-static void
-vcard_response_set_status(VCardResponse *response, vcard_7816_status_t status)
-{
- unsigned char sw1, sw2;
- response->b_status = status; /* make sure the status and swX representations
- * are consistent */
- sw1 = (status >> 8) & 0xff;
- sw2 = status & 0xff;
- response->b_sw1 = sw1;
- response->b_sw2 = sw2;
- response->b_data[response->b_len] = sw1;
- response->b_data[response->b_len+1] = sw2;
-}
-
-/*
- * set the status bytes in a response buffer
- */
-static void
-vcard_response_set_status_bytes(VCardResponse *response,
- unsigned char sw1, unsigned char sw2)
-{
- response->b_status = sw1 << 8 | sw2;
- response->b_sw1 = sw1;
- response->b_sw2 = sw2;
- response->b_data[response->b_len] = sw1;
- response->b_data[response->b_len+1] = sw2;
-}
-
-/*
- * allocate a VCardResponse structure, plus space for the data buffer, and
- * set up everything but the resonse bytes.
- */
-VCardResponse *
-vcard_response_new_data(unsigned char *buf, int len)
-{
- VCardResponse *new_response;
-
- new_response = g_new(VCardResponse, 1);
- new_response->b_data = g_malloc(len + 2);
- memcpy(new_response->b_data, buf, len);
- new_response->b_total_len = len+2;
- new_response->b_len = len;
- new_response->b_type = VCARD_MALLOC;
- return new_response;
-}
-
-static VCardResponse *
-vcard_init_buffer_response(VCard *card, unsigned char *buf, int len)
-{
- VCardResponse *response;
- VCardBufferResponse *buffer_response;
-
- buffer_response = vcard_get_buffer_response(card);
- if (buffer_response) {
- vcard_set_buffer_response(card, NULL);
- vcard_buffer_response_delete(buffer_response);
- }
- buffer_response = vcard_buffer_response_new(buf, len);
- if (buffer_response == NULL) {
- return NULL;
- }
- response = vcard_response_new_status_bytes(VCARD7816_SW1_RESPONSE_BYTES,
- len > 255 ? 0 : len);
- if (response == NULL) {
- return NULL;
- }
- vcard_set_buffer_response(card, buffer_response);
- return response;
-}
-
-/*
- * general buffer to hold results from APDU calls
- */
-VCardResponse *
-vcard_response_new(VCard *card, unsigned char *buf,
- int len, int Le, vcard_7816_status_t status)
-{
- VCardResponse *new_response;
-
- if (len > Le) {
- return vcard_init_buffer_response(card, buf, len);
- }
- new_response = vcard_response_new_data(buf, len);
- if (new_response == NULL) {
- return NULL;
- }
- vcard_response_set_status(new_response, status);
- return new_response;
-}
-
-/*
- * general buffer to hold results from APDU calls
- */
-VCardResponse *
-vcard_response_new_bytes(VCard *card, unsigned char *buf, int len, int Le,
- unsigned char sw1, unsigned char sw2)
-{
- VCardResponse *new_response;
-
- if (len > Le) {
- return vcard_init_buffer_response(card, buf, len);
- }
- new_response = vcard_response_new_data(buf, len);
- if (new_response == NULL) {
- return NULL;
- }
- vcard_response_set_status_bytes(new_response, sw1, sw2);
- return new_response;
-}
-
-/*
- * get a new Response buffer that only has a status.
- */
-static VCardResponse *
-vcard_response_new_status(vcard_7816_status_t status)
-{
- VCardResponse *new_response;
-
- new_response = g_new(VCardResponse, 1);
- new_response->b_data = &new_response->b_sw1;
- new_response->b_len = 0;
- new_response->b_total_len = 2;
- new_response->b_type = VCARD_MALLOC_STRUCT;
- vcard_response_set_status(new_response, status);
- return new_response;
-}
-
-/*
- * same as above, but specify the status as separate bytes
- */
-VCardResponse *
-vcard_response_new_status_bytes(unsigned char sw1, unsigned char sw2)
-{
- VCardResponse *new_response;
-
- new_response = g_new(VCardResponse, 1);
- new_response->b_data = &new_response->b_sw1;
- new_response->b_len = 0;
- new_response->b_total_len = 2;
- new_response->b_type = VCARD_MALLOC_STRUCT;
- vcard_response_set_status_bytes(new_response, sw1, sw2);
- return new_response;
-}
-
-
-/*
- * free the response buffer. The Buffer has a type to handle the buffer
- * allocated in other ways than through malloc.
- */
-void
-vcard_response_delete(VCardResponse *response)
-{
- if (response == NULL) {
- return;
- }
- switch (response->b_type) {
- case VCARD_MALLOC:
- /* everything was malloc'ed */
- g_free(response->b_data);
- g_free(response);
- break;
- case VCARD_MALLOC_DATA:
- /* only the data buffer was malloc'ed */
- g_free(response->b_data);
- break;
- case VCARD_MALLOC_STRUCT:
- /* only the structure was malloc'ed */
- g_free(response);
- break;
- case VCARD_STATIC:
- break;
- }
-}
-
-/*
- * decode the class bit and set our generic type field, channel, and
- * secure messaging values.
- */
-static vcard_7816_status_t
-vcard_apdu_set_class(VCardAPDU *apdu) {
- apdu->a_channel = 0;
- apdu->a_secure_messaging = 0;
- apdu->a_type = apdu->a_cla & 0xf0;
- apdu->a_gen_type = VCARD_7816_ISO;
-
- /* parse the class tables 8 & 9 of the 7816-4 Part 4 spec */
- switch (apdu->a_type) {
- /* we only support the basic types */
- case 0x00:
- case 0x80:
- case 0x90:
- case 0xa0:
- apdu->a_channel = apdu->a_cla & 3;
- apdu->a_secure_messaging = apdu->a_cla & 0xe;
- break;
- case 0xb0:
- case 0xc0:
- break;
-
- case 0x10:
- case 0x20:
- case 0x30:
- case 0x40:
- case 0x50:
- case 0x60:
- case 0x70:
- /* Reserved for future use */
- apdu->a_gen_type = VCARD_7816_RFU;
- break;
- case 0xd0:
- case 0xe0:
- case 0xf0:
- default:
- apdu->a_gen_type =
- (apdu->a_cla == 0xff) ? VCARD_7816_PTS : VCARD_7816_PROPRIETARY;
- break;
- }
- return VCARD7816_STATUS_SUCCESS;
-}
-
-/*
- * set the Le and Lc fields according to table 5 of the
- * 7816-4 part 4 spec
- */
-static vcard_7816_status_t
-vcard_apdu_set_length(VCardAPDU *apdu)
-{
- int L, Le;
-
- /* process according to table 5 of the 7816-4 Part 4 spec.
- * variable names match the variables in the spec */
- L = apdu->a_len-4; /* fixed APDU header */
- apdu->a_Lc = 0;
- apdu->a_Le = 0;
- apdu->a_body = NULL;
- switch (L) {
- case 0:
- /* 1 minimal apdu */
- return VCARD7816_STATUS_SUCCESS;
- case 1:
- /* 2S only return values apdu */
- /* zero maps to 256 here */
- apdu->a_Le = apdu->a_header->ah_Le ?
- apdu->a_header->ah_Le : 256;
- return VCARD7816_STATUS_SUCCESS;
- default:
- /* if the ah_Le byte is zero and we have more than
- * 1 byte in the header, then we must be using extended Le and Lc.
- * process the extended now. */
- if (apdu->a_header->ah_Le == 0) {
- if (L < 3) {
- /* coding error, need at least 3 bytes */
- return VCARD7816_STATUS_ERROR_WRONG_LENGTH;
- }
- /* calculate the first extended value. Could be either Le or Lc */
- Le = (apdu->a_header->ah_body[0] << 8)
- || apdu->a_header->ah_body[1];
- if (L == 3) {
- /* 2E extended, return data only */
- /* zero maps to 65536 */
- apdu->a_Le = Le ? Le : 65536;
- return VCARD7816_STATUS_SUCCESS;
- }
- if (Le == 0) {
- /* reserved for future use, probably for next time we need
- * to extend the lengths */
- return VCARD7816_STATUS_ERROR_WRONG_LENGTH;
- }
- /* we know that the first extended value is Lc now */
- apdu->a_Lc = Le;
- apdu->a_body = &apdu->a_header->ah_body[2];
- if (L == Le+3) {
- /* 3E extended, only body parameters */
- return VCARD7816_STATUS_SUCCESS;
- }
- if (L == Le+5) {
- /* 4E extended, parameters and return data */
- Le = (apdu->a_data[apdu->a_len-2] << 8)
- || apdu->a_data[apdu->a_len-1];
- apdu->a_Le = Le ? Le : 65536;
- return VCARD7816_STATUS_SUCCESS;
- }
- return VCARD7816_STATUS_ERROR_WRONG_LENGTH;
- }
- /* not extended */
- apdu->a_Lc = apdu->a_header->ah_Le;
- apdu->a_body = &apdu->a_header->ah_body[0];
- if (L == apdu->a_Lc + 1) {
- /* 3S only body parameters */
- return VCARD7816_STATUS_SUCCESS;
- }
- if (L == apdu->a_Lc + 2) {
- /* 4S parameters and return data */
- Le = apdu->a_data[apdu->a_len-1];
- apdu->a_Le = Le ? Le : 256;
- return VCARD7816_STATUS_SUCCESS;
- }
- break;
- }
- return VCARD7816_STATUS_ERROR_WRONG_LENGTH;
-}
-
-/*
- * create a new APDU from a raw set of bytes. This will decode all the
- * above fields. users of VCARDAPDU's can then depend on the already decoded
- * values.
- */
-VCardAPDU *
-vcard_apdu_new(unsigned char *raw_apdu, int len, vcard_7816_status_t *status)
-{
- VCardAPDU *new_apdu;
-
- *status = VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE;
- if (len < 4) {
- *status = VCARD7816_STATUS_ERROR_WRONG_LENGTH;
- return NULL;
- }
-
- new_apdu = g_new(VCardAPDU, 1);
- new_apdu->a_data = g_memdup(raw_apdu, len);
- new_apdu->a_len = len;
- *status = vcard_apdu_set_class(new_apdu);
- if (*status != VCARD7816_STATUS_SUCCESS) {
- g_free(new_apdu);
- return NULL;
- }
- *status = vcard_apdu_set_length(new_apdu);
- if (*status != VCARD7816_STATUS_SUCCESS) {
- g_free(new_apdu);
- new_apdu = NULL;
- }
- return new_apdu;
-}
-
-void
-vcard_apdu_delete(VCardAPDU *apdu)
-{
- if (apdu == NULL) {
- return;
- }
- g_free(apdu->a_data);
- g_free(apdu);
-}
-
-
-/*
- * declare response buffers for all the 7816 defined error codes
- */
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_SUCCESS)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_RET_CORUPT)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_BUF_END_BEFORE_LE)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_INVALID_FILE_SELECTED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_FCI_FORMAT_INVALID)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_CHANGE)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_FILE_FILLED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_EXC_ERROR)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_EXC_ERROR_CHANGE)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_WRONG_LENGTH)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_CLA_NOT_SUPPORTED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_CHANNEL_NOT_SUPPORTED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_SECURE_NOT_SUPPORTED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(
- VCARD7816_STATUS_ERROR_COMMAND_INCOMPATIBLE_WITH_FILE)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_SECURITY_NOT_SATISFIED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_AUTHENTICATION_BLOCKED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_DATA_INVALID)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_CONDITION_NOT_SATISFIED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_DATA_NO_EF)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_SM_OBJECT_MISSING)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_SM_OBJECT_INCORRECT)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_WRONG_PARAMETERS)
-VCARD_RESPONSE_NEW_STATIC_STATUS(
- VCARD7816_STATUS_ERROR_WRONG_PARAMETERS_IN_DATA)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_FUNCTION_NOT_SUPPORTED)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_FILE_NOT_FOUND)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_RECORD_NOT_FOUND)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_NO_SPACE_FOR_FILE)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_LC_TLV_INCONSISTENT)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_P1_P2_INCORRECT)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_LC_P1_P2_INCONSISTENT)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_DATA_NOT_FOUND)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_WRONG_PARAMETERS_2)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_INS_CODE_INVALID)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_CLA_INVALID)
-VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_GENERAL)
-
-/*
- * return a single response code. This function cannot fail. It will always
- * return a response.
- */
-VCardResponse *
-vcard_make_response(vcard_7816_status_t status)
-{
- VCardResponse *response;
-
- switch (status) {
- /* known 7816 response codes */
- case VCARD7816_STATUS_SUCCESS:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_SUCCESS);
- case VCARD7816_STATUS_WARNING:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_WARNING);
- case VCARD7816_STATUS_WARNING_RET_CORUPT:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_WARNING_RET_CORUPT);
- case VCARD7816_STATUS_WARNING_BUF_END_BEFORE_LE:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_WARNING_BUF_END_BEFORE_LE);
- case VCARD7816_STATUS_WARNING_INVALID_FILE_SELECTED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_WARNING_INVALID_FILE_SELECTED);
- case VCARD7816_STATUS_WARNING_FCI_FORMAT_INVALID:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_WARNING_FCI_FORMAT_INVALID);
- case VCARD7816_STATUS_WARNING_CHANGE:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_WARNING_CHANGE);
- case VCARD7816_STATUS_WARNING_FILE_FILLED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_WARNING_FILE_FILLED);
- case VCARD7816_STATUS_EXC_ERROR:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_EXC_ERROR);
- case VCARD7816_STATUS_EXC_ERROR_CHANGE:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_EXC_ERROR_CHANGE);
- case VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE);
- case VCARD7816_STATUS_ERROR_WRONG_LENGTH:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_WRONG_LENGTH);
- case VCARD7816_STATUS_ERROR_CLA_NOT_SUPPORTED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_CLA_NOT_SUPPORTED);
- case VCARD7816_STATUS_ERROR_CHANNEL_NOT_SUPPORTED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_CHANNEL_NOT_SUPPORTED);
- case VCARD7816_STATUS_ERROR_SECURE_NOT_SUPPORTED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_SECURE_NOT_SUPPORTED);
- case VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED);
- case VCARD7816_STATUS_ERROR_COMMAND_INCOMPATIBLE_WITH_FILE:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_COMMAND_INCOMPATIBLE_WITH_FILE);
- case VCARD7816_STATUS_ERROR_SECURITY_NOT_SATISFIED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_SECURITY_NOT_SATISFIED);
- case VCARD7816_STATUS_ERROR_AUTHENTICATION_BLOCKED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_AUTHENTICATION_BLOCKED);
- case VCARD7816_STATUS_ERROR_DATA_INVALID:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_DATA_INVALID);
- case VCARD7816_STATUS_ERROR_CONDITION_NOT_SATISFIED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_CONDITION_NOT_SATISFIED);
- case VCARD7816_STATUS_ERROR_DATA_NO_EF:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_DATA_NO_EF);
- case VCARD7816_STATUS_ERROR_SM_OBJECT_MISSING:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_SM_OBJECT_MISSING);
- case VCARD7816_STATUS_ERROR_SM_OBJECT_INCORRECT:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_SM_OBJECT_INCORRECT);
- case VCARD7816_STATUS_ERROR_WRONG_PARAMETERS:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_WRONG_PARAMETERS);
- case VCARD7816_STATUS_ERROR_WRONG_PARAMETERS_IN_DATA:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_WRONG_PARAMETERS_IN_DATA);
- case VCARD7816_STATUS_ERROR_FUNCTION_NOT_SUPPORTED:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_FUNCTION_NOT_SUPPORTED);
- case VCARD7816_STATUS_ERROR_FILE_NOT_FOUND:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_FILE_NOT_FOUND);
- case VCARD7816_STATUS_ERROR_RECORD_NOT_FOUND:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_RECORD_NOT_FOUND);
- case VCARD7816_STATUS_ERROR_NO_SPACE_FOR_FILE:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_NO_SPACE_FOR_FILE);
- case VCARD7816_STATUS_ERROR_LC_TLV_INCONSISTENT:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_LC_TLV_INCONSISTENT);
- case VCARD7816_STATUS_ERROR_P1_P2_INCORRECT:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_P1_P2_INCORRECT);
- case VCARD7816_STATUS_ERROR_LC_P1_P2_INCONSISTENT:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_LC_P1_P2_INCONSISTENT);
- case VCARD7816_STATUS_ERROR_DATA_NOT_FOUND:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_DATA_NOT_FOUND);
- case VCARD7816_STATUS_ERROR_WRONG_PARAMETERS_2:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_WRONG_PARAMETERS_2);
- case VCARD7816_STATUS_ERROR_INS_CODE_INVALID:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_INS_CODE_INVALID);
- case VCARD7816_STATUS_ERROR_CLA_INVALID:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_CLA_INVALID);
- case VCARD7816_STATUS_ERROR_GENERAL:
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_ERROR_GENERAL);
- default:
- /* we don't know this status code, create a response buffer to
- * hold it */
- response = vcard_response_new_status(status);
- if (response == NULL) {
- /* couldn't allocate the buffer, return memmory error */
- return VCARD_RESPONSE_GET_STATIC(
- VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE);
- }
- return response;
- }
-}
-
-/*
- * Add File card support here if you need it.
- */
-static VCardStatus
-vcard7816_file_system_process_apdu(VCard *card, VCardAPDU *apdu,
- VCardResponse **response)
-{
- /* TODO: if we want to support a virtual file system card, we do it here.
- * It would probably be a pkcs #15 card type */
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED);
- return VCARD_DONE;
-}
-
-/*
- * VM card (including java cards)
- */
-static VCardStatus
-vcard7816_vm_process_apdu(VCard *card, VCardAPDU *apdu,
- VCardResponse **response)
-{
- int bytes_to_copy, next_byte_count, count;
- VCardApplet *current_applet;
- VCardBufferResponse *buffer_response;
- vcard_7816_status_t status;
-
- /* parse the class first */
- if (apdu->a_gen_type != VCARD_7816_ISO) {
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED);
- return VCARD_DONE;
- }
-
- /* use a switch so that if we need to support secure channel stuff later,
- * we know where to put it */
- switch (apdu->a_secure_messaging) {
- case 0x0: /* no SM */
- break;
- case 0x4: /* proprietary SM */
- case 0x8: /* header not authenticated */
- case 0xc: /* header authenticated */
- default:
- /* for now, don't try to support secure channel stuff in the
- * virtual card. */
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_SECURE_NOT_SUPPORTED);
- return VCARD_DONE;
- }
-
- /* now parse the instruction */
- switch (apdu->a_ins) {
- case VCARD7816_INS_MANAGE_CHANNEL: /* secure channel op */
- case VCARD7816_INS_EXTERNAL_AUTHENTICATE: /* secure channel op */
- case VCARD7816_INS_GET_CHALLENGE: /* secure channel op */
- case VCARD7816_INS_INTERNAL_AUTHENTICATE: /* secure channel op */
- case VCARD7816_INS_ERASE_BINARY: /* applet control op */
- case VCARD7816_INS_READ_BINARY: /* applet control op */
- case VCARD7816_INS_WRITE_BINARY: /* applet control op */
- case VCARD7816_INS_UPDATE_BINARY: /* applet control op */
- case VCARD7816_INS_READ_RECORD: /* file op */
- case VCARD7816_INS_WRITE_RECORD: /* file op */
- case VCARD7816_INS_UPDATE_RECORD: /* file op */
- case VCARD7816_INS_APPEND_RECORD: /* file op */
- case VCARD7816_INS_ENVELOPE:
- case VCARD7816_INS_PUT_DATA:
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED);
- break;
-
- case VCARD7816_INS_SELECT_FILE:
- if (apdu->a_p1 != 0x04) {
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_FUNCTION_NOT_SUPPORTED);
- break;
- }
-
- /* side effect, deselect the current applet if no applet has been found
- * */
- current_applet = vcard_find_applet(card, apdu->a_body, apdu->a_Lc);
- vcard_select_applet(card, apdu->a_channel, current_applet);
- if (current_applet) {
- unsigned char *aid;
- int aid_len;
- aid = vcard_applet_get_aid(current_applet, &aid_len);
- *response = vcard_response_new(card, aid, aid_len, apdu->a_Le,
- VCARD7816_STATUS_SUCCESS);
- } else {
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_FILE_NOT_FOUND);
- }
- break;
-
- case VCARD7816_INS_VERIFY:
- if ((apdu->a_p1 != 0x00) || (apdu->a_p2 != 0x00)) {
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_WRONG_PARAMETERS);
- } else {
- if (apdu->a_Lc == 0) {
- /* handle pin count if possible */
- count = vcard_emul_get_login_count(card);
- if (count < 0) {
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_DATA_NOT_FOUND);
- } else {
- if (count > 0xf) {
- count = 0xf;
- }
- *response = vcard_response_new_status_bytes(
- VCARD7816_SW1_WARNING_CHANGE,
- 0xc0 | count);
- if (*response == NULL) {
- *response = vcard_make_response(
- VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE);
- }
- }
- } else {
- status = vcard_emul_login(card, apdu->a_body, apdu->a_Lc);
- *response = vcard_make_response(status);
- }
- }
- break;
-
- case VCARD7816_INS_GET_RESPONSE:
- buffer_response = vcard_get_buffer_response(card);
- if (!buffer_response) {
- *response = vcard_make_response(
- VCARD7816_STATUS_ERROR_DATA_NOT_FOUND);
- /* handle error */
- break;
- }
- bytes_to_copy = MIN(buffer_response->len, apdu->a_Le);
- next_byte_count = MIN(256, buffer_response->len - bytes_to_copy);
- *response = vcard_response_new_bytes(
- card, buffer_response->current, bytes_to_copy,
- apdu->a_Le,
- next_byte_count ?
- VCARD7816_SW1_RESPONSE_BYTES : VCARD7816_SW1_SUCCESS,
- next_byte_count);
- buffer_response->current += bytes_to_copy;
- buffer_response->len -= bytes_to_copy;
- if (*response == NULL || (next_byte_count == 0)) {
- vcard_set_buffer_response(card, NULL);
- vcard_buffer_response_delete(buffer_response);
- }
- if (*response == NULL) {
- *response =
- vcard_make_response(VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE);
- }
- break;
-
- case VCARD7816_INS_GET_DATA:
- *response =
- vcard_make_response(VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED);
- break;
-
- default:
- *response =
- vcard_make_response(VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED);
- break;
- }
-
- /* response should have been set somewhere */
- assert(*response != NULL);
- return VCARD_DONE;
-}
-
-
-/*
- * APDU processing starts here. This routes the card processing stuff to the
- * right location.
- */
-VCardStatus
-vcard_process_apdu(VCard *card, VCardAPDU *apdu, VCardResponse **response)
-{
- VCardStatus status;
- VCardBufferResponse *buffer_response;
-
- /* first handle any PTS commands, which aren't really APDU's */
- if (apdu->a_type == VCARD_7816_PTS) {
- /* the PTS responses aren't really responses either */
- *response = vcard_response_new_data(apdu->a_data, apdu->a_len);
- /* PTS responses have no status bytes */
- (*response)->b_total_len = (*response)->b_len;
- return VCARD_DONE;
- }
- buffer_response = vcard_get_buffer_response(card);
- if (buffer_response && apdu->a_ins != VCARD7816_INS_GET_RESPONSE) {
- /* clear out buffer_response, return an error */
- vcard_set_buffer_response(card, NULL);
- vcard_buffer_response_delete(buffer_response);
- *response = vcard_make_response(VCARD7816_STATUS_EXC_ERROR);
- return VCARD_DONE;
- }
-
- status = vcard_process_applet_apdu(card, apdu, response);
- if (status != VCARD_NEXT) {
- return status;
- }
- switch (vcard_get_type(card)) {
- case VCARD_FILE_SYSTEM:
- return vcard7816_file_system_process_apdu(card, apdu, response);
- case VCARD_VM:
- return vcard7816_vm_process_apdu(card, apdu, response);
- case VCARD_DIRECT:
- /* if we are type direct, then the applet should handle everything */
- assert(!"VCARD_DIRECT: applet failure");
- break;
- }
- *response =
- vcard_make_response(VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED);
- return VCARD_DONE;
-}
Code Review / kvmfornfv.git / blobdiff