2 * implement the Java card standard.
4 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
5 * See the COPYING.LIB file in the top-level directory.
8 #include "qemu-common.h"
11 #include "vcard_emul.h"
12 #include "card_7816t.h"
14 struct VCardAppletStruct {
16 VCardProcessAPDU process_apdu;
17 VCardResetApplet reset_applet;
21 VCardAppletPrivateFree applet_private_free;
26 VCardApplet *applet_list;
27 VCardApplet *current_applet[MAX_CHANNEL];
28 VCardBufferResponse *vcard_buffer_response;
30 VCardEmul *vcard_private;
31 VCardEmulFree vcard_private_free;
32 VCardGetAtr vcard_get_atr;
36 vcard_buffer_response_new(unsigned char *buffer, int size)
38 VCardBufferResponse *new_buffer;
40 new_buffer = g_new(VCardBufferResponse, 1);
41 new_buffer->buffer = (unsigned char *)g_memdup(buffer, size);
42 new_buffer->buffer_len = size;
43 new_buffer->current = new_buffer->buffer;
44 new_buffer->len = size;
49 vcard_buffer_response_delete(VCardBufferResponse *buffer_response)
51 if (buffer_response == NULL) {
54 if (buffer_response->buffer) {
55 g_free(buffer_response->buffer);
57 g_free(buffer_response);
62 * clean up state after a reset
65 vcard_reset(VCard *card, VCardPower power)
68 VCardApplet *applet = NULL;
70 if (card->type == VCARD_DIRECT) {
71 /* select the last applet */
72 VCardApplet *current_applet = NULL;
73 for (current_applet = card->applet_list; current_applet;
74 current_applet = current_applet->next) {
75 applet = current_applet;
78 for (i = 0; i < MAX_CHANNEL; i++) {
79 card->current_applet[i] = applet;
81 if (card->vcard_buffer_response) {
82 vcard_buffer_response_delete(card->vcard_buffer_response);
83 card->vcard_buffer_response = NULL;
85 vcard_emul_reset(card, power);
87 applet->reset_applet(card, 0);
91 /* applet utilities */
98 vcard_new_applet(VCardProcessAPDU applet_process_function,
99 VCardResetApplet applet_reset_function,
100 unsigned char *aid, int aid_len)
104 applet = g_new0(VCardApplet, 1);
105 applet->process_apdu = applet_process_function;
106 applet->reset_applet = applet_reset_function;
108 applet->aid = g_memdup(aid, aid_len);
109 applet->aid_len = aid_len;
115 vcard_delete_applet(VCardApplet *applet)
117 if (applet == NULL) {
120 if (applet->applet_private_free) {
121 applet->applet_private_free(applet->applet_private);
122 applet->applet_private = NULL;
133 vcard_set_applet_private(VCardApplet *applet, VCardAppletPrivate *private,
134 VCardAppletPrivateFree private_free)
136 if (applet->applet_private_free) {
137 applet->applet_private_free(applet->applet_private);
139 applet->applet_private = private;
140 applet->applet_private_free = private_free;
144 vcard_new(VCardEmul *private, VCardEmulFree private_free)
148 new_card = g_new0(VCard, 1);
149 new_card->type = VCARD_VM;
150 new_card->vcard_private = private;
151 new_card->vcard_private_free = private_free;
152 new_card->reference_count = 1;
157 vcard_reference(VCard *vcard)
162 vcard->reference_count++;
167 vcard_free(VCard *vcard)
169 VCardApplet *current_applet;
170 VCardApplet *next_applet;
175 vcard->reference_count--;
176 if (vcard->reference_count != 0) {
179 if (vcard->vcard_private_free) {
180 (*vcard->vcard_private_free)(vcard->vcard_private);
181 vcard->vcard_private_free = 0;
182 vcard->vcard_private = 0;
184 for (current_applet = vcard->applet_list; current_applet;
185 current_applet = next_applet) {
186 next_applet = current_applet->next;
187 vcard_delete_applet(current_applet);
189 vcard_buffer_response_delete(vcard->vcard_buffer_response);
194 vcard_get_atr(VCard *vcard, unsigned char *atr, int *atr_len)
196 if (vcard->vcard_get_atr) {
197 (*vcard->vcard_get_atr)(vcard, atr, atr_len);
200 vcard_emul_get_atr(vcard, atr, atr_len);
204 vcard_set_atr_func(VCard *card, VCardGetAtr vcard_get_atr)
206 card->vcard_get_atr = vcard_get_atr;
211 vcard_add_applet(VCard *card, VCardApplet *applet)
213 applet->next = card->applet_list;
214 card->applet_list = applet;
215 /* if our card-type is direct, always call the applet */
216 if (card->type == VCARD_DIRECT) {
219 for (i = 0; i < MAX_CHANNEL; i++) {
220 card->current_applet[i] = applet;
230 vcard_find_applet(VCard *card, unsigned char *aid, int aid_len)
232 VCardApplet *current_applet;
234 for (current_applet = card->applet_list; current_applet;
235 current_applet = current_applet->next) {
236 if (current_applet->aid_len != aid_len) {
239 if (memcmp(current_applet->aid, aid, aid_len) == 0) {
243 return current_applet;
247 vcard_applet_get_aid(VCardApplet *applet, int *aid_len)
249 if (applet == NULL) {
252 *aid_len = applet->aid_len;
258 vcard_select_applet(VCard *card, int channel, VCardApplet *applet)
260 assert(channel < MAX_CHANNEL);
261 card->current_applet[channel] = applet;
262 /* reset the applet */
263 if (applet && applet->reset_applet) {
264 applet->reset_applet(card, channel);
269 vcard_get_current_applet_private(VCard *card, int channel)
271 VCardApplet *applet = card->current_applet[channel];
273 if (applet == NULL) {
276 return applet->applet_private;
280 vcard_process_applet_apdu(VCard *card, VCardAPDU *apdu,
281 VCardResponse **response)
283 if (card->current_applet[apdu->a_channel]) {
284 return card->current_applet[apdu->a_channel]->process_apdu(
285 card, apdu, response);
293 /* accessor functions for the response buffer */
294 VCardBufferResponse *
295 vcard_get_buffer_response(VCard *card)
297 return card->vcard_buffer_response;
301 vcard_set_buffer_response(VCard *card, VCardBufferResponse *buffer)
303 card->vcard_buffer_response = buffer;
307 /* accessor functions for the type */
309 vcard_get_type(VCard *card)
315 vcard_set_type(VCard *card, VCardType type)
320 /* accessor for private data */
322 vcard_get_private(VCard *vcard)
324 return vcard->vcard_private;