--- /dev/null
+/*
+ * implement the Java card standard.
+ *
+ * This work is licensed under the terms of 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_7816t.h"
+
+struct VCardAppletStruct {
+ VCardApplet *next;
+ VCardProcessAPDU process_apdu;
+ VCardResetApplet reset_applet;
+ unsigned char *aid;
+ int aid_len;
+ void *applet_private;
+ VCardAppletPrivateFree applet_private_free;
+};
+
+struct VCardStruct {
+ int reference_count;
+ VCardApplet *applet_list;
+ VCardApplet *current_applet[MAX_CHANNEL];
+ VCardBufferResponse *vcard_buffer_response;
+ VCardType type;
+ VCardEmul *vcard_private;
+ VCardEmulFree vcard_private_free;
+ VCardGetAtr vcard_get_atr;
+};
+
+VCardBufferResponse *
+vcard_buffer_response_new(unsigned char *buffer, int size)
+{
+ VCardBufferResponse *new_buffer;
+
+ new_buffer = g_new(VCardBufferResponse, 1);
+ new_buffer->buffer = (unsigned char *)g_memdup(buffer, size);
+ new_buffer->buffer_len = size;
+ new_buffer->current = new_buffer->buffer;
+ new_buffer->len = size;
+ return new_buffer;
+}
+
+void
+vcard_buffer_response_delete(VCardBufferResponse *buffer_response)
+{
+ if (buffer_response == NULL) {
+ return;
+ }
+ g_free(buffer_response->buffer);
+ g_free(buffer_response);
+}
+
+
+/*
+ * clean up state after a reset
+ */
+void
+vcard_reset(VCard *card, VCardPower power)
+{
+ int i;
+ VCardApplet *applet = NULL;
+
+ if (card->type == VCARD_DIRECT) {
+ /* select the last applet */
+ VCardApplet *current_applet = NULL;
+ for (current_applet = card->applet_list; current_applet;
+ current_applet = current_applet->next) {
+ applet = current_applet;
+ }
+ }
+ for (i = 0; i < MAX_CHANNEL; i++) {
+ card->current_applet[i] = applet;
+ }
+ if (card->vcard_buffer_response) {
+ vcard_buffer_response_delete(card->vcard_buffer_response);
+ card->vcard_buffer_response = NULL;
+ }
+ vcard_emul_reset(card, power);
+ if (applet) {
+ applet->reset_applet(card, 0);
+ }
+}
+
+/* applet utilities */
+
+/*
+ * applet utilities
+ */
+/* constructor */
+VCardApplet *
+vcard_new_applet(VCardProcessAPDU applet_process_function,
+ VCardResetApplet applet_reset_function,
+ unsigned char *aid, int aid_len)
+{
+ VCardApplet *applet;
+
+ applet = g_new0(VCardApplet, 1);
+ applet->process_apdu = applet_process_function;
+ applet->reset_applet = applet_reset_function;
+
+ applet->aid = g_memdup(aid, aid_len);
+ applet->aid_len = aid_len;
+ return applet;
+}
+
+/* destructor */
+void
+vcard_delete_applet(VCardApplet *applet)
+{
+ if (applet == NULL) {
+ return;
+ }
+ if (applet->applet_private_free) {
+ applet->applet_private_free(applet->applet_private);
+ }
+ g_free(applet->aid);
+ g_free(applet);
+}
+
+/* accessor */
+void
+vcard_set_applet_private(VCardApplet *applet, VCardAppletPrivate *private,
+ VCardAppletPrivateFree private_free)
+{
+ if (applet->applet_private_free) {
+ applet->applet_private_free(applet->applet_private);
+ }
+ applet->applet_private = private;
+ applet->applet_private_free = private_free;
+}
+
+VCard *
+vcard_new(VCardEmul *private, VCardEmulFree private_free)
+{
+ VCard *new_card;
+
+ new_card = g_new0(VCard, 1);
+ new_card->type = VCARD_VM;
+ new_card->vcard_private = private;
+ new_card->vcard_private_free = private_free;
+ new_card->reference_count = 1;
+ return new_card;
+}
+
+VCard *
+vcard_reference(VCard *vcard)
+{
+ if (vcard == NULL) {
+ return NULL;
+ }
+ vcard->reference_count++;
+ return vcard;
+}
+
+void
+vcard_free(VCard *vcard)
+{
+ VCardApplet *current_applet;
+ VCardApplet *next_applet;
+
+ if (vcard == NULL) {
+ return;
+ }
+ vcard->reference_count--;
+ if (vcard->reference_count != 0) {
+ return;
+ }
+ if (vcard->vcard_private_free) {
+ (*vcard->vcard_private_free)(vcard->vcard_private);
+ }
+ for (current_applet = vcard->applet_list; current_applet;
+ current_applet = next_applet) {
+ next_applet = current_applet->next;
+ vcard_delete_applet(current_applet);
+ }
+ vcard_buffer_response_delete(vcard->vcard_buffer_response);
+ g_free(vcard);
+}
+
+void
+vcard_get_atr(VCard *vcard, unsigned char *atr, int *atr_len)
+{
+ if (vcard->vcard_get_atr) {
+ (*vcard->vcard_get_atr)(vcard, atr, atr_len);
+ return;
+ }
+ vcard_emul_get_atr(vcard, atr, atr_len);
+}
+
+void
+vcard_set_atr_func(VCard *card, VCardGetAtr vcard_get_atr)
+{
+ card->vcard_get_atr = vcard_get_atr;
+}
+
+
+VCardStatus
+vcard_add_applet(VCard *card, VCardApplet *applet)
+{
+ applet->next = card->applet_list;
+ card->applet_list = applet;
+ /* if our card-type is direct, always call the applet */
+ if (card->type == VCARD_DIRECT) {
+ int i;
+
+ for (i = 0; i < MAX_CHANNEL; i++) {
+ card->current_applet[i] = applet;
+ }
+ }
+ return VCARD_DONE;
+}
+
+/*
+ * manage applets
+ */
+VCardApplet *
+vcard_find_applet(VCard *card, unsigned char *aid, int aid_len)
+{
+ VCardApplet *current_applet;
+
+ for (current_applet = card->applet_list; current_applet;
+ current_applet = current_applet->next) {
+ if (current_applet->aid_len != aid_len) {
+ continue;
+ }
+ if (memcmp(current_applet->aid, aid, aid_len) == 0) {
+ break;
+ }
+ }
+ return current_applet;
+}
+
+unsigned char *
+vcard_applet_get_aid(VCardApplet *applet, int *aid_len)
+{
+ if (applet == NULL) {
+ return NULL;
+ }
+ *aid_len = applet->aid_len;
+ return applet->aid;
+}
+
+
+void
+vcard_select_applet(VCard *card, int channel, VCardApplet *applet)
+{
+ assert(channel < MAX_CHANNEL);
+
+ /* If using an emulated card, make sure to log out of any already logged in
+ * session. */
+ vcard_emul_logout(card);
+
+ card->current_applet[channel] = applet;
+ /* reset the applet */
+ if (applet && applet->reset_applet) {
+ applet->reset_applet(card, channel);
+ }
+}
+
+VCardAppletPrivate *
+vcard_get_current_applet_private(VCard *card, int channel)
+{
+ VCardApplet *applet = card->current_applet[channel];
+
+ if (applet == NULL) {
+ return NULL;
+ }
+ return applet->applet_private;
+}
+
+VCardStatus
+vcard_process_applet_apdu(VCard *card, VCardAPDU *apdu,
+ VCardResponse **response)
+{
+ if (card->current_applet[apdu->a_channel]) {
+ return card->current_applet[apdu->a_channel]->process_apdu(
+ card, apdu, response);
+ }
+ return VCARD_NEXT;
+}
+
+/*
+ * Accessor functions
+ */
+/* accessor functions for the response buffer */
+VCardBufferResponse *
+vcard_get_buffer_response(VCard *card)
+{
+ return card->vcard_buffer_response;
+}
+
+void
+vcard_set_buffer_response(VCard *card, VCardBufferResponse *buffer)
+{
+ card->vcard_buffer_response = buffer;
+}
+
+
+/* accessor functions for the type */
+VCardType
+vcard_get_type(VCard *card)
+{
+ return card->type;
+}
+
+void
+vcard_set_type(VCard *card, VCardType type)
+{
+ card->type = type;
+}
+
+/* accessor for private data */
+VCardEmul *
+vcard_get_private(VCard *vcard)
+{
+ return vcard->vcard_private;
+}
+
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