Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 1 | /* |
| 2 | * implement the Java card standard. |
| 3 | * |
| 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. |
| 6 | */ |
| 7 | |
Paolo Bonzini | 28507a4 | 2015-04-27 12:34:18 +0200 | [diff] [blame] | 8 | #include "glib-compat.h" |
| 9 | |
| 10 | #include <string.h> |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 11 | |
| 12 | #include "vcard.h" |
| 13 | #include "vcard_emul.h" |
| 14 | #include "card_7816t.h" |
| 15 | |
| 16 | struct VCardAppletStruct { |
| 17 | VCardApplet *next; |
| 18 | VCardProcessAPDU process_apdu; |
| 19 | VCardResetApplet reset_applet; |
| 20 | unsigned char *aid; |
| 21 | int aid_len; |
| 22 | void *applet_private; |
| 23 | VCardAppletPrivateFree applet_private_free; |
| 24 | }; |
| 25 | |
| 26 | struct VCardStruct { |
| 27 | int reference_count; |
| 28 | VCardApplet *applet_list; |
| 29 | VCardApplet *current_applet[MAX_CHANNEL]; |
| 30 | VCardBufferResponse *vcard_buffer_response; |
| 31 | VCardType type; |
| 32 | VCardEmul *vcard_private; |
| 33 | VCardEmulFree vcard_private_free; |
| 34 | VCardGetAtr vcard_get_atr; |
| 35 | }; |
| 36 | |
| 37 | VCardBufferResponse * |
| 38 | vcard_buffer_response_new(unsigned char *buffer, int size) |
| 39 | { |
| 40 | VCardBufferResponse *new_buffer; |
| 41 | |
Michael Tokarev | 78a4b8d | 2014-05-08 19:51:01 +0400 | [diff] [blame] | 42 | new_buffer = g_new(VCardBufferResponse, 1); |
| 43 | new_buffer->buffer = (unsigned char *)g_memdup(buffer, size); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 44 | new_buffer->buffer_len = size; |
| 45 | new_buffer->current = new_buffer->buffer; |
| 46 | new_buffer->len = size; |
| 47 | return new_buffer; |
| 48 | } |
| 49 | |
| 50 | void |
| 51 | vcard_buffer_response_delete(VCardBufferResponse *buffer_response) |
| 52 | { |
| 53 | if (buffer_response == NULL) { |
| 54 | return; |
| 55 | } |
Markus Armbruster | ec15993 | 2014-06-06 18:32:08 +0200 | [diff] [blame] | 56 | g_free(buffer_response->buffer); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 57 | g_free(buffer_response); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | |
| 61 | /* |
| 62 | * clean up state after a reset |
| 63 | */ |
| 64 | void |
| 65 | vcard_reset(VCard *card, VCardPower power) |
| 66 | { |
| 67 | int i; |
| 68 | VCardApplet *applet = NULL; |
| 69 | |
| 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; |
| 76 | } |
| 77 | } |
| 78 | for (i = 0; i < MAX_CHANNEL; i++) { |
| 79 | card->current_applet[i] = applet; |
| 80 | } |
| 81 | if (card->vcard_buffer_response) { |
| 82 | vcard_buffer_response_delete(card->vcard_buffer_response); |
| 83 | card->vcard_buffer_response = NULL; |
| 84 | } |
| 85 | vcard_emul_reset(card, power); |
| 86 | if (applet) { |
| 87 | applet->reset_applet(card, 0); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | /* applet utilities */ |
| 92 | |
| 93 | /* |
| 94 | * applet utilities |
| 95 | */ |
| 96 | /* constructor */ |
| 97 | VCardApplet * |
| 98 | vcard_new_applet(VCardProcessAPDU applet_process_function, |
| 99 | VCardResetApplet applet_reset_function, |
| 100 | unsigned char *aid, int aid_len) |
| 101 | { |
| 102 | VCardApplet *applet; |
| 103 | |
Michael Tokarev | 78a4b8d | 2014-05-08 19:51:01 +0400 | [diff] [blame] | 104 | applet = g_new0(VCardApplet, 1); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 105 | applet->process_apdu = applet_process_function; |
| 106 | applet->reset_applet = applet_reset_function; |
| 107 | |
Michael Tokarev | 78a4b8d | 2014-05-08 19:51:01 +0400 | [diff] [blame] | 108 | applet->aid = g_memdup(aid, aid_len); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 109 | applet->aid_len = aid_len; |
| 110 | return applet; |
| 111 | } |
| 112 | |
| 113 | /* destructor */ |
| 114 | void |
| 115 | vcard_delete_applet(VCardApplet *applet) |
| 116 | { |
| 117 | if (applet == NULL) { |
| 118 | return; |
| 119 | } |
| 120 | if (applet->applet_private_free) { |
| 121 | applet->applet_private_free(applet->applet_private); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 122 | } |
Markus Armbruster | ec15993 | 2014-06-06 18:32:08 +0200 | [diff] [blame] | 123 | g_free(applet->aid); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 124 | g_free(applet); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | /* accessor */ |
| 128 | void |
| 129 | vcard_set_applet_private(VCardApplet *applet, VCardAppletPrivate *private, |
| 130 | VCardAppletPrivateFree private_free) |
| 131 | { |
| 132 | if (applet->applet_private_free) { |
| 133 | applet->applet_private_free(applet->applet_private); |
| 134 | } |
| 135 | applet->applet_private = private; |
| 136 | applet->applet_private_free = private_free; |
| 137 | } |
| 138 | |
| 139 | VCard * |
| 140 | vcard_new(VCardEmul *private, VCardEmulFree private_free) |
| 141 | { |
| 142 | VCard *new_card; |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 143 | |
Michael Tokarev | 78a4b8d | 2014-05-08 19:51:01 +0400 | [diff] [blame] | 144 | new_card = g_new0(VCard, 1); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 145 | new_card->type = VCARD_VM; |
| 146 | new_card->vcard_private = private; |
| 147 | new_card->vcard_private_free = private_free; |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 148 | new_card->reference_count = 1; |
| 149 | return new_card; |
| 150 | } |
| 151 | |
| 152 | VCard * |
| 153 | vcard_reference(VCard *vcard) |
| 154 | { |
| 155 | if (vcard == NULL) { |
| 156 | return NULL; |
| 157 | } |
| 158 | vcard->reference_count++; |
| 159 | return vcard; |
| 160 | } |
| 161 | |
| 162 | void |
| 163 | vcard_free(VCard *vcard) |
| 164 | { |
Michael Tokarev | 1687a08 | 2014-05-08 21:17:38 +0400 | [diff] [blame] | 165 | VCardApplet *current_applet; |
| 166 | VCardApplet *next_applet; |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 167 | |
| 168 | if (vcard == NULL) { |
| 169 | return; |
| 170 | } |
| 171 | vcard->reference_count--; |
| 172 | if (vcard->reference_count != 0) { |
| 173 | return; |
| 174 | } |
| 175 | if (vcard->vcard_private_free) { |
| 176 | (*vcard->vcard_private_free)(vcard->vcard_private); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 177 | } |
| 178 | for (current_applet = vcard->applet_list; current_applet; |
| 179 | current_applet = next_applet) { |
| 180 | next_applet = current_applet->next; |
| 181 | vcard_delete_applet(current_applet); |
| 182 | } |
| 183 | vcard_buffer_response_delete(vcard->vcard_buffer_response); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 184 | g_free(vcard); |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | void |
| 188 | vcard_get_atr(VCard *vcard, unsigned char *atr, int *atr_len) |
| 189 | { |
| 190 | if (vcard->vcard_get_atr) { |
| 191 | (*vcard->vcard_get_atr)(vcard, atr, atr_len); |
| 192 | return; |
| 193 | } |
| 194 | vcard_emul_get_atr(vcard, atr, atr_len); |
| 195 | } |
| 196 | |
| 197 | void |
| 198 | vcard_set_atr_func(VCard *card, VCardGetAtr vcard_get_atr) |
| 199 | { |
| 200 | card->vcard_get_atr = vcard_get_atr; |
| 201 | } |
| 202 | |
| 203 | |
| 204 | VCardStatus |
| 205 | vcard_add_applet(VCard *card, VCardApplet *applet) |
| 206 | { |
| 207 | applet->next = card->applet_list; |
| 208 | card->applet_list = applet; |
| 209 | /* if our card-type is direct, always call the applet */ |
| 210 | if (card->type == VCARD_DIRECT) { |
| 211 | int i; |
| 212 | |
| 213 | for (i = 0; i < MAX_CHANNEL; i++) { |
| 214 | card->current_applet[i] = applet; |
| 215 | } |
| 216 | } |
| 217 | return VCARD_DONE; |
| 218 | } |
| 219 | |
| 220 | /* |
| 221 | * manage applets |
| 222 | */ |
| 223 | VCardApplet * |
| 224 | vcard_find_applet(VCard *card, unsigned char *aid, int aid_len) |
| 225 | { |
| 226 | VCardApplet *current_applet; |
| 227 | |
| 228 | for (current_applet = card->applet_list; current_applet; |
| 229 | current_applet = current_applet->next) { |
| 230 | if (current_applet->aid_len != aid_len) { |
| 231 | continue; |
| 232 | } |
| 233 | if (memcmp(current_applet->aid, aid, aid_len) == 0) { |
| 234 | break; |
| 235 | } |
| 236 | } |
| 237 | return current_applet; |
| 238 | } |
| 239 | |
| 240 | unsigned char * |
| 241 | vcard_applet_get_aid(VCardApplet *applet, int *aid_len) |
| 242 | { |
| 243 | if (applet == NULL) { |
| 244 | return NULL; |
| 245 | } |
| 246 | *aid_len = applet->aid_len; |
| 247 | return applet->aid; |
| 248 | } |
| 249 | |
| 250 | |
| 251 | void |
| 252 | vcard_select_applet(VCard *card, int channel, VCardApplet *applet) |
| 253 | { |
| 254 | assert(channel < MAX_CHANNEL); |
Ray Strode | 1223bc4 | 2014-10-18 22:12:48 -0400 | [diff] [blame] | 255 | |
| 256 | /* If using an emulated card, make sure to log out of any already logged in |
| 257 | * session. */ |
| 258 | vcard_emul_logout(card); |
| 259 | |
Robert Relyea | 111a38b | 2010-11-28 16:36:38 +0200 | [diff] [blame] | 260 | card->current_applet[channel] = applet; |
| 261 | /* reset the applet */ |
| 262 | if (applet && applet->reset_applet) { |
| 263 | applet->reset_applet(card, channel); |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | VCardAppletPrivate * |
| 268 | vcard_get_current_applet_private(VCard *card, int channel) |
| 269 | { |
| 270 | VCardApplet *applet = card->current_applet[channel]; |
| 271 | |
| 272 | if (applet == NULL) { |
| 273 | return NULL; |
| 274 | } |
| 275 | return applet->applet_private; |
| 276 | } |
| 277 | |
| 278 | VCardStatus |
| 279 | vcard_process_applet_apdu(VCard *card, VCardAPDU *apdu, |
| 280 | VCardResponse **response) |
| 281 | { |
| 282 | if (card->current_applet[apdu->a_channel]) { |
| 283 | return card->current_applet[apdu->a_channel]->process_apdu( |
| 284 | card, apdu, response); |
| 285 | } |
| 286 | return VCARD_NEXT; |
| 287 | } |
| 288 | |
| 289 | /* |
| 290 | * Accessor functions |
| 291 | */ |
| 292 | /* accessor functions for the response buffer */ |
| 293 | VCardBufferResponse * |
| 294 | vcard_get_buffer_response(VCard *card) |
| 295 | { |
| 296 | return card->vcard_buffer_response; |
| 297 | } |
| 298 | |
| 299 | void |
| 300 | vcard_set_buffer_response(VCard *card, VCardBufferResponse *buffer) |
| 301 | { |
| 302 | card->vcard_buffer_response = buffer; |
| 303 | } |
| 304 | |
| 305 | |
| 306 | /* accessor functions for the type */ |
| 307 | VCardType |
| 308 | vcard_get_type(VCard *card) |
| 309 | { |
| 310 | return card->type; |
| 311 | } |
| 312 | |
| 313 | void |
| 314 | vcard_set_type(VCard *card, VCardType type) |
| 315 | { |
| 316 | card->type = type; |
| 317 | } |
| 318 | |
| 319 | /* accessor for private data */ |
| 320 | VCardEmul * |
| 321 | vcard_get_private(VCard *vcard) |
| 322 | { |
| 323 | return vcard->vcard_private; |
| 324 | } |
| 325 | |