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 = (VCardBufferResponse *)g_malloc(sizeof(VCardBufferResponse));
41 new_buffer->buffer = (unsigned char *)g_malloc(size);
42 memcpy(new_buffer->buffer, buffer, size);
43 new_buffer->buffer_len = size;
44 new_buffer->current = new_buffer->buffer;
45 new_buffer->len = size;
50 vcard_buffer_response_delete(VCardBufferResponse *buffer_response)
52 if (buffer_response == NULL) {
55 if (buffer_response->buffer) {
56 g_free(buffer_response->buffer);
58 g_free(buffer_response);
63 * clean up state after a reset
66 vcard_reset(VCard *card, VCardPower power)
69 VCardApplet *applet = NULL;
71 if (card->type == VCARD_DIRECT) {
72 /* select the last applet */
73 VCardApplet *current_applet = NULL;
74 for (current_applet = card->applet_list; current_applet;
75 current_applet = current_applet->next) {
76 applet = current_applet;
79 for (i = 0; i < MAX_CHANNEL; i++) {
80 card->current_applet[i] = applet;
82 if (card->vcard_buffer_response) {
83 vcard_buffer_response_delete(card->vcard_buffer_response);
84 card->vcard_buffer_response = NULL;
86 vcard_emul_reset(card, power);
88 applet->reset_applet(card, 0);
92 /* applet utilities */
99 vcard_new_applet(VCardProcessAPDU applet_process_function,
100 VCardResetApplet applet_reset_function,
101 unsigned char *aid, int aid_len)
105 applet = (VCardApplet *)g_malloc(sizeof(VCardApplet));
107 applet->applet_private = NULL;
108 applet->applet_private_free = NULL;
109 applet->process_apdu = applet_process_function;
110 applet->reset_applet = applet_reset_function;
112 applet->aid = g_malloc(aid_len);
113 memcpy(applet->aid, aid, aid_len);
114 applet->aid_len = aid_len;
120 vcard_delete_applet(VCardApplet *applet)
122 if (applet == NULL) {
125 if (applet->applet_private_free) {
126 applet->applet_private_free(applet->applet_private);
127 applet->applet_private = NULL;
138 vcard_set_applet_private(VCardApplet *applet, VCardAppletPrivate *private,
139 VCardAppletPrivateFree private_free)
141 if (applet->applet_private_free) {
142 applet->applet_private_free(applet->applet_private);
144 applet->applet_private = private;
145 applet->applet_private_free = private_free;
149 vcard_new(VCardEmul *private, VCardEmulFree private_free)
154 new_card = (VCard *)g_malloc(sizeof(VCard));
155 new_card->applet_list = NULL;
156 for (i = 0; i < MAX_CHANNEL; i++) {
157 new_card->current_applet[i] = NULL;
159 new_card->vcard_buffer_response = NULL;
160 new_card->type = VCARD_VM;
161 new_card->vcard_private = private;
162 new_card->vcard_private_free = private_free;
163 new_card->vcard_get_atr = NULL;
164 new_card->reference_count = 1;
169 vcard_reference(VCard *vcard)
174 vcard->reference_count++;
179 vcard_free(VCard *vcard)
181 VCardApplet *current_applet = NULL;
182 VCardApplet *next_applet = NULL;
187 vcard->reference_count--;
188 if (vcard->reference_count != 0) {
191 if (vcard->vcard_private_free) {
192 (*vcard->vcard_private_free)(vcard->vcard_private);
193 vcard->vcard_private_free = 0;
194 vcard->vcard_private = 0;
196 for (current_applet = vcard->applet_list; current_applet;
197 current_applet = next_applet) {
198 next_applet = current_applet->next;
199 vcard_delete_applet(current_applet);
201 vcard_buffer_response_delete(vcard->vcard_buffer_response);
206 vcard_get_atr(VCard *vcard, unsigned char *atr, int *atr_len)
208 if (vcard->vcard_get_atr) {
209 (*vcard->vcard_get_atr)(vcard, atr, atr_len);
212 vcard_emul_get_atr(vcard, atr, atr_len);
216 vcard_set_atr_func(VCard *card, VCardGetAtr vcard_get_atr)
218 card->vcard_get_atr = vcard_get_atr;
223 vcard_add_applet(VCard *card, VCardApplet *applet)
225 applet->next = card->applet_list;
226 card->applet_list = applet;
227 /* if our card-type is direct, always call the applet */
228 if (card->type == VCARD_DIRECT) {
231 for (i = 0; i < MAX_CHANNEL; i++) {
232 card->current_applet[i] = applet;
242 vcard_find_applet(VCard *card, unsigned char *aid, int aid_len)
244 VCardApplet *current_applet;
246 for (current_applet = card->applet_list; current_applet;
247 current_applet = current_applet->next) {
248 if (current_applet->aid_len != aid_len) {
251 if (memcmp(current_applet->aid, aid, aid_len) == 0) {
255 return current_applet;
259 vcard_applet_get_aid(VCardApplet *applet, int *aid_len)
261 if (applet == NULL) {
264 *aid_len = applet->aid_len;
270 vcard_select_applet(VCard *card, int channel, VCardApplet *applet)
272 assert(channel < MAX_CHANNEL);
273 card->current_applet[channel] = applet;
274 /* reset the applet */
275 if (applet && applet->reset_applet) {
276 applet->reset_applet(card, channel);
281 vcard_get_current_applet_private(VCard *card, int channel)
283 VCardApplet *applet = card->current_applet[channel];
285 if (applet == NULL) {
288 return applet->applet_private;
292 vcard_process_applet_apdu(VCard *card, VCardAPDU *apdu,
293 VCardResponse **response)
295 if (card->current_applet[apdu->a_channel]) {
296 return card->current_applet[apdu->a_channel]->process_apdu(
297 card, apdu, response);
305 /* accessor functions for the response buffer */
306 VCardBufferResponse *
307 vcard_get_buffer_response(VCard *card)
309 return card->vcard_buffer_response;
313 vcard_set_buffer_response(VCard *card, VCardBufferResponse *buffer)
315 card->vcard_buffer_response = buffer;
319 /* accessor functions for the type */
321 vcard_get_type(VCard *card)
327 vcard_set_type(VCard *card, VCardType type)
332 /* accessor for private data */
334 vcard_get_private(VCard *vcard)
336 return vcard->vcard_private;