764 lines
27 KiB
C
764 lines
27 KiB
C
/*
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* Implement the 7816 portion of the card spec
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*
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* This code is licensed under the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*/
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#include "qemu-common.h"
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#include "vcard.h"
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#include "vcard_emul.h"
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#include "card_7816.h"
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/*
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* set the status bytes based on the status word
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*/
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static void
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vcard_response_set_status(VCardResponse *response, vcard_7816_status_t status)
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{
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unsigned char sw1, sw2;
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response->b_status = status; /* make sure the status and swX representations
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* are consistent */
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sw1 = (status >> 8) & 0xff;
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sw2 = status & 0xff;
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response->b_sw1 = sw1;
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response->b_sw2 = sw2;
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response->b_data[response->b_len] = sw1;
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response->b_data[response->b_len+1] = sw2;
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}
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/*
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* set the status bytes in a response buffer
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*/
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static void
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vcard_response_set_status_bytes(VCardResponse *response,
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unsigned char sw1, unsigned char sw2)
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{
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response->b_status = sw1 << 8 | sw2;
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response->b_sw1 = sw1;
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response->b_sw2 = sw2;
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response->b_data[response->b_len] = sw1;
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response->b_data[response->b_len+1] = sw2;
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}
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/*
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* allocate a VCardResponse structure, plus space for the data buffer, and
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* set up everything but the resonse bytes.
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*/
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VCardResponse *
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vcard_response_new_data(unsigned char *buf, int len)
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{
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VCardResponse *new_response;
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new_response = (VCardResponse *)qemu_malloc(sizeof(VCardResponse));
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new_response->b_data = qemu_malloc(len + 2);
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memcpy(new_response->b_data, buf, len);
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new_response->b_total_len = len+2;
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new_response->b_len = len;
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new_response->b_type = VCARD_MALLOC;
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return new_response;
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}
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static VCardResponse *
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vcard_init_buffer_response(VCard *card, unsigned char *buf, int len)
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{
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VCardResponse *response;
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VCardBufferResponse *buffer_response;
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buffer_response = vcard_get_buffer_response(card);
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if (buffer_response) {
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vcard_set_buffer_response(card, NULL);
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vcard_buffer_response_delete(buffer_response);
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}
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buffer_response = vcard_buffer_response_new(buf, len);
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if (buffer_response == NULL) {
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return NULL;
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}
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response = vcard_response_new_status_bytes(VCARD7816_SW1_RESPONSE_BYTES,
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len > 255 ? 0 : len);
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if (response == NULL) {
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return NULL;
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}
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vcard_set_buffer_response(card, buffer_response);
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return response;
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}
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/*
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* general buffer to hold results from APDU calls
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*/
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VCardResponse *
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vcard_response_new(VCard *card, unsigned char *buf,
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int len, int Le, vcard_7816_status_t status)
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{
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VCardResponse *new_response;
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if (len > Le) {
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return vcard_init_buffer_response(card, buf, len);
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}
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new_response = vcard_response_new_data(buf, len);
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if (new_response == NULL) {
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return NULL;
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}
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vcard_response_set_status(new_response, status);
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return new_response;
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}
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/*
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* general buffer to hold results from APDU calls
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*/
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VCardResponse *
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vcard_response_new_bytes(VCard *card, unsigned char *buf, int len, int Le,
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unsigned char sw1, unsigned char sw2)
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{
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VCardResponse *new_response;
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if (len > Le) {
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return vcard_init_buffer_response(card, buf, len);
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}
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new_response = vcard_response_new_data(buf, len);
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if (new_response == NULL) {
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return NULL;
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}
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vcard_response_set_status_bytes(new_response, sw1, sw2);
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return new_response;
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}
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/*
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* get a new Reponse buffer that only has a status.
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*/
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static VCardResponse *
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vcard_response_new_status(vcard_7816_status_t status)
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{
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VCardResponse *new_response;
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new_response = (VCardResponse *)qemu_malloc(sizeof(VCardResponse));
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new_response->b_data = &new_response->b_sw1;
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new_response->b_len = 0;
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new_response->b_total_len = 2;
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new_response->b_type = VCARD_MALLOC_STRUCT;
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vcard_response_set_status(new_response, status);
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return new_response;
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}
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/*
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* same as above, but specify the status as separate bytes
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*/
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VCardResponse *
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vcard_response_new_status_bytes(unsigned char sw1, unsigned char sw2)
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{
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VCardResponse *new_response;
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new_response = (VCardResponse *)qemu_malloc(sizeof(VCardResponse));
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new_response->b_data = &new_response->b_sw1;
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new_response->b_len = 0;
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new_response->b_total_len = 2;
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new_response->b_type = VCARD_MALLOC_STRUCT;
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vcard_response_set_status_bytes(new_response, sw1, sw2);
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return new_response;
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}
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/*
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* free the response buffer. The Buffer has a type to handle the buffer
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* allocated in other ways than through malloc.
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*/
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void
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vcard_response_delete(VCardResponse *response)
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{
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if (response == NULL) {
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return;
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}
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switch (response->b_type) {
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case VCARD_MALLOC:
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/* everything was malloc'ed */
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if (response->b_data) {
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qemu_free(response->b_data);
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}
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qemu_free(response);
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break;
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case VCARD_MALLOC_DATA:
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/* only the data buffer was malloc'ed */
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if (response->b_data) {
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qemu_free(response->b_data);
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}
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break;
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case VCARD_MALLOC_STRUCT:
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/* only the structure was malloc'ed */
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qemu_free(response);
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break;
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case VCARD_STATIC:
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break;
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}
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}
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/*
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* decode the class bit and set our generic type field, channel, and
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* secure messaging values.
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*/
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static vcard_7816_status_t
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vcard_apdu_set_class(VCardAPDU *apdu) {
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apdu->a_channel = 0;
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apdu->a_secure_messaging = 0;
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apdu->a_type = apdu->a_cla & 0xf0;
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apdu->a_gen_type = VCARD_7816_ISO;
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/* parse the class tables 8 & 9 of the 7816-4 Part 4 spec */
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switch (apdu->a_type) {
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/* we only support the basic types */
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case 0x00:
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case 0x80:
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case 0x90:
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case 0xa0:
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apdu->a_channel = apdu->a_cla & 3;
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apdu->a_secure_messaging = apdu->a_cla & 0xe;
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break;
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case 0xb0:
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case 0xc0:
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break;
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case 0x10:
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case 0x20:
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case 0x30:
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case 0x40:
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case 0x50:
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case 0x60:
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case 0x70:
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/* Reserved for future use */
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apdu->a_gen_type = VCARD_7816_RFU;
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break;
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case 0xd0:
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case 0xe0:
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case 0xf0:
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default:
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apdu->a_gen_type =
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(apdu->a_cla == 0xff) ? VCARD_7816_PTS : VCARD_7816_PROPIETARY;
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break;
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}
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return VCARD7816_STATUS_SUCCESS;
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}
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/*
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* set the Le and Lc fiels according to table 5 of the
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* 7816-4 part 4 spec
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*/
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static vcard_7816_status_t
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vcard_apdu_set_length(VCardAPDU *apdu)
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{
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int L, Le;
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/* process according to table 5 of the 7816-4 Part 4 spec.
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* variable names match the variables in the spec */
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L = apdu->a_len-4; /* fixed APDU header */
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apdu->a_Lc = 0;
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apdu->a_Le = 0;
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apdu->a_body = NULL;
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switch (L) {
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case 0:
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/* 1 minimal apdu */
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return VCARD7816_STATUS_SUCCESS;
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case 1:
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/* 2S only return values apdu */
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/* zero maps to 256 here */
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apdu->a_Le = apdu->a_header->ah_Le ?
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apdu->a_header->ah_Le : 256;
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return VCARD7816_STATUS_SUCCESS;
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default:
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/* if the ah_Le byte is zero and we have more than
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* 1 byte in the header, then we must be using extended Le and Lc.
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* process the extended now. */
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if (apdu->a_header->ah_Le == 0) {
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if (L < 3) {
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/* coding error, need at least 3 bytes */
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return VCARD7816_STATUS_ERROR_WRONG_LENGTH;
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}
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/* calculate the first extended value. Could be either Le or Lc */
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Le = (apdu->a_header->ah_body[0] << 8)
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|| apdu->a_header->ah_body[1];
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if (L == 3) {
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/* 2E extended, return data only */
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/* zero maps to 65536 */
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apdu->a_Le = Le ? Le : 65536;
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return VCARD7816_STATUS_SUCCESS;
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}
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if (Le == 0) {
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/* reserved for future use, probably for next time we need
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* to extend the lengths */
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return VCARD7816_STATUS_ERROR_WRONG_LENGTH;
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}
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/* we know that the first extended value is Lc now */
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apdu->a_Lc = Le;
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apdu->a_body = &apdu->a_header->ah_body[2];
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if (L == Le+3) {
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/* 3E extended, only body parameters */
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return VCARD7816_STATUS_SUCCESS;
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}
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if (L == Le+5) {
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/* 4E extended, parameters and return data */
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Le = (apdu->a_data[apdu->a_len-2] << 8)
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|| apdu->a_data[apdu->a_len-1];
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apdu->a_Le = Le ? Le : 65536;
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return VCARD7816_STATUS_SUCCESS;
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}
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return VCARD7816_STATUS_ERROR_WRONG_LENGTH;
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}
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/* not extended */
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apdu->a_Lc = apdu->a_header->ah_Le;
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apdu->a_body = &apdu->a_header->ah_body[0];
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if (L == apdu->a_Lc + 1) {
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/* 3S only body parameters */
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return VCARD7816_STATUS_SUCCESS;
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}
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if (L == apdu->a_Lc + 2) {
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/* 4S parameters and return data */
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Le = apdu->a_data[apdu->a_len-1];
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apdu->a_Le = Le ? Le : 256;
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return VCARD7816_STATUS_SUCCESS;
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}
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break;
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}
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return VCARD7816_STATUS_ERROR_WRONG_LENGTH;
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}
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/*
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* create a new APDU from a raw set of bytes. This will decode all the
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* above fields. users of VCARDAPDU's can then depend on the already decoded
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* values.
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*/
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VCardAPDU *
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vcard_apdu_new(unsigned char *raw_apdu, int len, vcard_7816_status_t *status)
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{
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VCardAPDU *new_apdu;
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*status = VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE;
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if (len < 4) {
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*status = VCARD7816_STATUS_ERROR_WRONG_LENGTH;
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return NULL;
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}
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new_apdu = (VCardAPDU *)qemu_malloc(sizeof(VCardAPDU));
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new_apdu->a_data = qemu_malloc(len);
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memcpy(new_apdu->a_data, raw_apdu, len);
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new_apdu->a_len = len;
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*status = vcard_apdu_set_class(new_apdu);
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if (*status != VCARD7816_STATUS_SUCCESS) {
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qemu_free(new_apdu);
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return NULL;
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}
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*status = vcard_apdu_set_length(new_apdu);
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if (*status != VCARD7816_STATUS_SUCCESS) {
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qemu_free(new_apdu);
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new_apdu = NULL;
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}
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return new_apdu;
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}
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void
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vcard_apdu_delete(VCardAPDU *apdu)
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{
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if (apdu == NULL) {
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return;
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}
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if (apdu->a_data) {
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qemu_free(apdu->a_data);
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}
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qemu_free(apdu);
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}
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/*
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* declare response buffers for all the 7816 defined error codes
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*/
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_SUCCESS)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_RET_CORUPT)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_BUF_END_BEFORE_LE)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_INVALID_FILE_SELECTED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_FCI_FORMAT_INVALID)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_CHANGE)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_WARNING_FILE_FILLED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_EXC_ERROR)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_EXC_ERROR_CHANGE)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_WRONG_LENGTH)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_CLA_NOT_SUPPORTED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_CHANNEL_NOT_SUPPORTED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_SECURE_NOT_SUPPORTED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_COMMAND_NOT_SUPPORTED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(
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VCARD7816_STATUS_ERROR_COMMAND_INCOMPATIBLE_WITH_FILE)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_SECURITY_NOT_SATISFIED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_AUTHENTICATION_BLOCKED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_DATA_INVALID)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_CONDITION_NOT_SATISFIED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_DATA_NO_EF)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_SM_OBJECT_MISSING)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_SM_OBJECT_INCORRECT)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_WRONG_PARAMETERS)
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VCARD_RESPONSE_NEW_STATIC_STATUS(
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VCARD7816_STATUS_ERROR_WRONG_PARAMETERS_IN_DATA)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_FUNCTION_NOT_SUPPORTED)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_FILE_NOT_FOUND)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_RECORD_NOT_FOUND)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_NO_SPACE_FOR_FILE)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_LC_TLV_INCONSISTENT)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_P1_P2_INCORRECT)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_LC_P1_P2_INCONSISTENT)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_DATA_NOT_FOUND)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_WRONG_PARAMETERS_2)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_INS_CODE_INVALID)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_CLA_INVALID)
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VCARD_RESPONSE_NEW_STATIC_STATUS(VCARD7816_STATUS_ERROR_GENERAL)
|
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|
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/*
|
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* return a single response code. This function cannot fail. It will always
|
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* return a response.
|
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*/
|
|
VCardResponse *
|
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vcard_make_response(vcard_7816_status_t status)
|
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{
|
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VCardResponse *response = NULL;
|
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|
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switch (status) {
|
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/* known 7816 response codes */
|
|
case VCARD7816_STATUS_SUCCESS:
|
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return VCARD_RESPONSE_GET_STATIC(
|
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VCARD7816_STATUS_SUCCESS);
|
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case VCARD7816_STATUS_WARNING:
|
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return VCARD_RESPONSE_GET_STATIC(
|
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VCARD7816_STATUS_WARNING);
|
|
case VCARD7816_STATUS_WARNING_RET_CORUPT:
|
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return VCARD_RESPONSE_GET_STATIC(
|
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VCARD7816_STATUS_WARNING_RET_CORUPT);
|
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case VCARD7816_STATUS_WARNING_BUF_END_BEFORE_LE:
|
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return VCARD_RESPONSE_GET_STATIC(
|
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VCARD7816_STATUS_WARNING_BUF_END_BEFORE_LE);
|
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case VCARD7816_STATUS_WARNING_INVALID_FILE_SELECTED:
|
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return VCARD_RESPONSE_GET_STATIC(
|
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VCARD7816_STATUS_WARNING_INVALID_FILE_SELECTED);
|
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case VCARD7816_STATUS_WARNING_FCI_FORMAT_INVALID:
|
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return VCARD_RESPONSE_GET_STATIC(
|
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VCARD7816_STATUS_WARNING_FCI_FORMAT_INVALID);
|
|
case VCARD7816_STATUS_WARNING_CHANGE:
|
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return VCARD_RESPONSE_GET_STATIC(
|
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VCARD7816_STATUS_WARNING_CHANGE);
|
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case VCARD7816_STATUS_WARNING_FILE_FILLED:
|
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return VCARD_RESPONSE_GET_STATIC(
|
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VCARD7816_STATUS_WARNING_FILE_FILLED);
|
|
case VCARD7816_STATUS_EXC_ERROR:
|
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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);
|
|
}
|
|
}
|
|
assert(response);
|
|
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;
|
|
}
|