| 1 |
/* wptCardEdit.cpp - OpenPGP editing interface |
| 2 |
* Copyright (C) 2005 Timo Schulz |
| 3 |
* |
| 4 |
* This file is part of WinPT. |
| 5 |
* |
| 6 |
* WinPT is free software; you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU General Public License as published by |
| 8 |
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (at your option) any later version. |
| 10 |
* |
| 11 |
* WinPT is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
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* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with WinPT; if not, write to the Free Software Foundation, |
| 18 |
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
| 19 |
*/ |
| 20 |
|
| 21 |
#include <windows.h> |
| 22 |
|
| 23 |
#include "gpgme.h" |
| 24 |
#include "wptCardEdit.h" |
| 25 |
#include "wptGPG.h" |
| 26 |
|
| 27 |
/* Create a new Smartcard context. */ |
| 28 |
static gpgme_error_t |
| 29 |
gpg_card_new (gpg_card_t *ret_card) |
| 30 |
{ |
| 31 |
gpg_card_t c; |
| 32 |
|
| 33 |
if (!ret_card) |
| 34 |
return gpg_error (GPG_ERR_INV_ARG); |
| 35 |
*ret_card = NULL; |
| 36 |
c = (gpg_card_t)calloc (1, sizeof *c); |
| 37 |
if( !c ) |
| 38 |
return gpg_error (GPG_ERR_ENOMEM); |
| 39 |
*ret_card = c; |
| 40 |
return 0; |
| 41 |
} |
| 42 |
|
| 43 |
|
| 44 |
/* Release an existing Smartcard context. @card. */ |
| 45 |
void |
| 46 |
gpg_card_release (gpg_card_t card) |
| 47 |
{ |
| 48 |
int i; |
| 49 |
|
| 50 |
if (!card) |
| 51 |
return; |
| 52 |
if (card->aid) |
| 53 |
free (card->aid); |
| 54 |
if (card->version) |
| 55 |
free (card->version); |
| 56 |
if (card->lang) |
| 57 |
free (card->lang); |
| 58 |
if (card->login) |
| 59 |
free (card->login); |
| 60 |
|
| 61 |
for (i=0; i < 3; i++) { |
| 62 |
if (card->fpr[i]) |
| 63 |
free (card->fpr[i]); |
| 64 |
} |
| 65 |
if (card->surname) |
| 66 |
free (card->surname); |
| 67 |
if (card->givenname) |
| 68 |
free (card->givenname); |
| 69 |
if (card->serial) |
| 70 |
free (card->serial); |
| 71 |
if (card->vendor) |
| 72 |
free (card->vendor); |
| 73 |
if (card->url) |
| 74 |
free (card->url); |
| 75 |
free (card); |
| 76 |
|
| 77 |
} |
| 78 |
|
| 79 |
|
| 80 |
/* Colon handler for parsing the GPG card colon output. */ |
| 81 |
static gpgme_error_t |
| 82 |
statuscard_colon_handler (gpg_card_t *ctx, char * line, int *cnt) |
| 83 |
{ |
| 84 |
enum rectype_t { |
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CARD_None = 0, |
| 86 |
CARD_AID, |
| 87 |
CARD_Version, |
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CARD_Vendor, |
| 89 |
CARD_Serial, |
| 90 |
CARD_Name, |
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CARD_Lang, |
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CARD_Sex, |
| 93 |
CARD_Url, |
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CARD_Login, |
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CARD_MaxPinLen, |
| 96 |
CARD_SigCount, |
| 97 |
CARD_Fpr |
| 98 |
}; |
| 99 |
enum rectype_t rectype; |
| 100 |
gpgme_error_t err; |
| 101 |
gpg_card_t card; |
| 102 |
char *p, *pend; |
| 103 |
int field = 0; |
| 104 |
|
| 105 |
if (!line) |
| 106 |
return gpg_error (GPG_ERR_EOF); |
| 107 |
|
| 108 |
if (!*ctx) { |
| 109 |
err = gpg_card_new (ctx); |
| 110 |
return err; |
| 111 |
} |
| 112 |
card = *ctx; |
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|
| 114 |
for( p = line; p; p = pend ) { |
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field++; |
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pend = strchr (p, ':'); |
| 117 |
if (pend) |
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*pend++ = 0; |
| 119 |
|
| 120 |
if (field == 1) { |
| 121 |
if (!strcmp (p, "AID")) |
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rectype = CARD_AID; |
| 123 |
else if( !strcmp( p, "version" ) ) |
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rectype = CARD_Version; |
| 125 |
else if( !strcmp( p, "vendor" ) ) |
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rectype = CARD_Vendor; |
| 127 |
else if( !strcmp( p, "serial" ) ) |
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rectype = CARD_Serial; |
| 129 |
else if( !strcmp( p, "name" ) ) |
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rectype = CARD_Name; |
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else if( !strcmp( p, "lang" ) ) |
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rectype = CARD_Lang; |
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else if( !strcmp( p, "sex" ) ) |
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rectype = CARD_Sex; |
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else if( !strcmp( p, "url" ) ) |
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rectype = CARD_Url; |
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else if( !strcmp( p, "login" ) ) |
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rectype = CARD_Login; |
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else if( !strcmp( p, "maxpinlen" ) ) |
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rectype = CARD_MaxPinLen; |
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else if( !strcmp( p, "sigcount" ) ) |
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rectype = CARD_SigCount; |
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else if( !strcmp( p, "fpr" ) ) |
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rectype = CARD_Fpr; |
| 145 |
else |
| 146 |
rectype = CARD_None; |
| 147 |
} |
| 148 |
switch( rectype ) { |
| 149 |
case CARD_AID: |
| 150 |
if( field == 2 ) { |
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card->aid = strdup (p); |
| 152 |
if (!card->aid) |
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return gpg_error (GPG_ERR_ENOMEM); |
| 154 |
} |
| 155 |
break; |
| 156 |
case CARD_Version: |
| 157 |
if( field == 2 ) { |
| 158 |
card->version = strdup (p); |
| 159 |
if (!card->version) |
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return gpg_error (GPG_ERR_ENOMEM); |
| 161 |
} |
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break; |
| 163 |
case CARD_Vendor: |
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if( field == 3 ) { |
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card->vendor = strdup( p ); |
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if (!card->vendor) |
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return gpg_error (GPG_ERR_ENOMEM); |
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} |
| 169 |
break; |
| 170 |
case CARD_Serial: |
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if( field == 2 ) { |
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card->serial = strdup( p ); |
| 173 |
if (!card->serial) |
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return gpg_error (GPG_ERR_ENOMEM); |
| 175 |
} |
| 176 |
break; |
| 177 |
case CARD_Name: |
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if( field == 2 ) { |
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card->givenname = strdup( p ); |
| 180 |
if (!card->givenname) |
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return gpg_error (GPG_ERR_ENOMEM); |
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} |
| 183 |
else if( field == 3 ) { |
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card->surname = strdup( p ); |
| 185 |
if (!card->surname) |
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return gpg_error (GPG_ERR_ENOMEM); |
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} |
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break; |
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case CARD_Lang: |
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if( field == 2 ) { |
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card->lang = strdup( p ); |
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if (!card->lang) |
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return gpg_error (GPG_ERR_ENOMEM); |
| 194 |
} |
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break; |
| 196 |
case CARD_Sex: |
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if( field == 2 ) |
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card->sex = *p; |
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break; |
| 200 |
case CARD_Url: |
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if( field == 2 ) { |
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if (card->url) |
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free (card->url); |
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card->url = (char*)calloc (1, strlen (p) + 1); |
| 205 |
if( !card->url ) { |
| 206 |
return gpg_error (GPG_ERR_ENOMEM); |
| 207 |
} |
| 208 |
gpg_decode_c_string (p, &card->url, strlen (p) + 1); |
| 209 |
if (!card->url) |
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return gpg_error (GPG_ERR_ENOMEM); |
| 211 |
} |
| 212 |
break; |
| 213 |
case CARD_Login: |
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if( field == 2 ) { |
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card->login = strdup (p); |
| 216 |
if (!card->login) |
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return gpg_error (GPG_ERR_ENOMEM); |
| 218 |
} |
| 219 |
break; |
| 220 |
case CARD_MaxPinLen: |
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break; |
| 222 |
case CARD_SigCount: |
| 223 |
if( field == 2 ) |
| 224 |
card->sig_count = atol( p ); |
| 225 |
break; |
| 226 |
case CARD_Fpr: |
| 227 |
if( field == 2 || field == 3 || field == 4 ) { |
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card->fpr[(*cnt)++] = strdup( p ); |
| 229 |
} |
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break; |
| 231 |
} |
| 232 |
} |
| 233 |
return 0; |
| 234 |
} |
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|
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|
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/* Dummy handler to get the colon data and then quit. */ |
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static gpgme_error_t |
| 239 |
list_handler (void *opaque, gpgme_status_code_t code, const char *key, int fd) |
| 240 |
{ |
| 241 |
static int step=0; |
| 242 |
const char *s=""; |
| 243 |
DWORD n; |
| 244 |
|
| 245 |
if (!strcmp (key, "keyedit.prompt") && step == 0) { |
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step = 1; |
| 247 |
s = "list\n"; |
| 248 |
WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL); |
| 249 |
} |
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else if (!strcmp (key, "keyedit.prompt") && step == 1) { |
| 251 |
step = 0; |
| 252 |
s = "quit\n"; |
| 253 |
WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL); |
| 254 |
} |
| 255 |
return 0; |
| 256 |
} |
| 257 |
|
| 258 |
|
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/* Construct an empty object. */ |
| 260 |
GpgCardEdit::GpgCardEdit (void) |
| 261 |
{ |
| 262 |
pin = NULL; |
| 263 |
pin_new = NULL; |
| 264 |
admin_pin = NULL; |
| 265 |
|
| 266 |
type = 0; |
| 267 |
cnt = 0; |
| 268 |
cancel = 0; |
| 269 |
|
| 270 |
gpgme_new (&ctx); |
| 271 |
} |
| 272 |
|
| 273 |
/* Release the object. */ |
| 274 |
GpgCardEdit::~GpgCardEdit (void) |
| 275 |
{ |
| 276 |
gpgme_release (ctx); |
| 277 |
if (this->keygen.name) |
| 278 |
free (this->keygen.name); |
| 279 |
if (this->keygen.comment) |
| 280 |
free (this->keygen.comment); |
| 281 |
if (this->keygen.email) |
| 282 |
free (this->keygen.email); |
| 283 |
if (this->keygen.expdate) |
| 284 |
free (this->keygen.expdate); |
| 285 |
} |
| 286 |
|
| 287 |
|
| 288 |
/* Set the user PIN for the object to @pin. */ |
| 289 |
void |
| 290 |
GpgCardEdit::setPIN (const char *pin) |
| 291 |
{ |
| 292 |
this->pin = pin; |
| 293 |
} |
| 294 |
|
| 295 |
/* Set the admin PIN for the object to @admin_pin. */ |
| 296 |
void |
| 297 |
GpgCardEdit::setAdminPIN (const char *admin_pin) |
| 298 |
{ |
| 299 |
this->admin_pin = admin_pin; |
| 300 |
} |
| 301 |
|
| 302 |
|
| 303 |
/* Set the new user PIN for the object to @new_pin. */ |
| 304 |
void |
| 305 |
GpgCardEdit::setNewPIN (const char *new_pin) |
| 306 |
{ |
| 307 |
this->pin_new = new_pin; |
| 308 |
} |
| 309 |
|
| 310 |
|
| 311 |
/* Set the passphrase needed when generating a key to @pass. */ |
| 312 |
void |
| 313 |
GpgCardEdit::setKeygenPassphrase (const char *pass) |
| 314 |
{ |
| 315 |
this->keygen.pass = pass; |
| 316 |
} |
| 317 |
|
| 318 |
|
| 319 |
/* Set the callback to @cb and the hook value to @cb_value. */ |
| 320 |
void |
| 321 |
GpgCardEdit::setCallback (const char* (*cb)(int code, void *opaque), |
| 322 |
void *cb_value) |
| 323 |
{ |
| 324 |
this->cb_value = cb_value; |
| 325 |
this->card_cb = cb; |
| 326 |
} |
| 327 |
|
| 328 |
|
| 329 |
void |
| 330 |
GpgCardEdit::setType (int type) |
| 331 |
{ |
| 332 |
this->type = type; |
| 333 |
} |
| 334 |
|
| 335 |
/* Read the information from the inserted card and return |
| 336 |
it in form of a card context @r_card. |
| 337 |
Return value: 0 on success. */ |
| 338 |
gpgme_error_t |
| 339 |
GpgCardEdit::getCardStatus (gpg_card_t *r_card) |
| 340 |
{ |
| 341 |
gpgme_data_t tmp = NULL; |
| 342 |
gpgme_error_t err; |
| 343 |
char buf[200]; |
| 344 |
int cnt = 0; |
| 345 |
|
| 346 |
if (!r_card) |
| 347 |
return gpg_error (GPG_ERR_INV_ARG); |
| 348 |
|
| 349 |
err = gpgme_data_new (&tmp); |
| 350 |
if (err) |
| 351 |
return err; |
| 352 |
|
| 353 |
err = gpgme_op_card_edit (ctx, NULL, list_handler, NULL, tmp); |
| 354 |
if (err) { |
| 355 |
gpgme_data_release (tmp); |
| 356 |
return err; |
| 357 |
} |
| 358 |
|
| 359 |
*r_card=NULL; |
| 360 |
gpgme_data_rewind (tmp); |
| 361 |
while (gpg_data_readline (tmp, buf, sizeof buf-2) > 0) |
| 362 |
statuscard_colon_handler (r_card, buf, &cnt); |
| 363 |
gpgme_data_release (tmp); |
| 364 |
|
| 365 |
return err; |
| 366 |
} |
| 367 |
|
| 368 |
|
| 369 |
/* Generate a key on a smart card with the following params: |
| 370 |
@flags: user specific params. |
| 371 |
@name: name of the key holder. |
| 372 |
@email: email of the key holder. |
| 373 |
@comment: optional comment. |
| 374 |
@valid: how long is the key valid in days. |
| 375 |
Return value: 0 on success. */ |
| 376 |
gpgme_error_t |
| 377 |
GpgCardEdit::genKey (int flags, const char *name, |
| 378 |
const char *email, const char *comment, |
| 379 |
long valid) |
| 380 |
{ |
| 381 |
gpgme_error_t err; |
| 382 |
|
| 383 |
if (!name || !email) |
| 384 |
return gpg_error (GPG_ERR_INV_ARG); |
| 385 |
if (!this->keygen.pass) |
| 386 |
return gpg_error (GPG_ERR_INV_OBJ); |
| 387 |
|
| 388 |
type = GPG_EDITCARD_GENKEY; |
| 389 |
this->keygen.flags = flags; |
| 390 |
|
| 391 |
if (this->keygen.name) |
| 392 |
free (this->keygen.name); |
| 393 |
this->keygen.name = strdup (name); |
| 394 |
if (this->keygen.email) |
| 395 |
free (this->keygen.email); |
| 396 |
this->keygen.email = strdup (email); |
| 397 |
if (this->keygen.comment) |
| 398 |
free (this->keygen.comment); |
| 399 |
this->keygen.comment = comment? strdup (comment) : strdup (""); |
| 400 |
if (this->keygen.expdate) |
| 401 |
free (this->keygen.expdate); |
| 402 |
this->keygen.expdate = (char*)calloc (1, 16); |
| 403 |
if (this->keygen.expdate) |
| 404 |
sprintf (this->keygen.expdate, "%d", valid); |
| 405 |
|
| 406 |
if (!this->keygen.name || !this->keygen.email || |
| 407 |
!this->keygen.comment || !this->keygen.expdate) |
| 408 |
return gpg_error (GPG_ERR_ENOMEM); |
| 409 |
|
| 410 |
err = gpg_card_edit (ctx, this); |
| 411 |
return err; |
| 412 |
} |
| 413 |
|
| 414 |
|
| 415 |
/* Change the pin from @pin to @pin_new. |
| 416 |
Return value: 0 on success. */ |
| 417 |
gpgme_error_t |
| 418 |
GpgCardEdit::changePIN (void) |
| 419 |
{ |
| 420 |
gpgme_error_t err; |
| 421 |
|
| 422 |
if (!this->pin || !this->pin_new) |
| 423 |
return gpg_error (GPG_ERR_INV_ARG); |
| 424 |
|
| 425 |
if (!type) { |
| 426 |
if (this->pin && this->pin_new) |
| 427 |
type = GPG_EDITCARD_CHUPIN; |
| 428 |
else if (this->pin && this->admin_pin) |
| 429 |
type = GPG_EDITCARD_CHAPIN; |
| 430 |
else |
| 431 |
type = GPG_EDITCARD_UNBPIN; |
| 432 |
} |
| 433 |
|
| 434 |
err = gpg_card_edit (ctx, this); |
| 435 |
return err; |
| 436 |
} |
| 437 |
|
| 438 |
|
| 439 |
gpgme_error_t |
| 440 |
GpgCardEdit::updateName (const char *given, const char *sur) |
| 441 |
{ |
| 442 |
gpgme_error_t err; |
| 443 |
|
| 444 |
if (!this->pin) |
| 445 |
return gpg_error (GPG_ERR_INV_OBJ); |
| 446 |
|
| 447 |
this->edit.surname = sur; |
| 448 |
this->edit.givenname = given; |
| 449 |
|
| 450 |
err = gpg_card_edit (ctx, this); |
| 451 |
return err; |
| 452 |
} |
| 453 |
|
| 454 |
gpgme_error_t |
| 455 |
GpgCardEdit::updateURL (const char *url) |
| 456 |
{ |
| 457 |
gpgme_error_t err; |
| 458 |
|
| 459 |
if (!this->pin) |
| 460 |
return gpg_error (GPG_ERR_INV_OBJ); |
| 461 |
|
| 462 |
this->edit.keyurl = url; |
| 463 |
|
| 464 |
err = gpg_card_edit (ctx, this); |
| 465 |
return err; |
| 466 |
} |
| 467 |
|
| 468 |
|
| 469 |
gpgme_error_t |
| 470 |
GpgCardEdit::updateLogin (const char *login) |
| 471 |
{ |
| 472 |
gpgme_error_t err; |
| 473 |
|
| 474 |
if (!this->pin) |
| 475 |
return gpg_error (GPG_ERR_INV_OBJ); |
| 476 |
|
| 477 |
this->edit.login = login; |
| 478 |
|
| 479 |
err = gpg_card_edit (ctx, this); |
| 480 |
return err; |
| 481 |
} |
| 482 |
|
| 483 |
gpgme_error_t |
| 484 |
GpgCardEdit::updateSex (char sex) |
| 485 |
{ |
| 486 |
gpgme_error_t err; |
| 487 |
|
| 488 |
if (!this->pin) |
| 489 |
return gpg_error (GPG_ERR_INV_OBJ); |
| 490 |
|
| 491 |
this->edit.sex = sex; |
| 492 |
err = gpg_card_edit (ctx, this); |
| 493 |
return err; |
| 494 |
} |
| 495 |
|
| 496 |
gpgme_error_t |
| 497 |
GpgCardEdit::updateLanguage (const char *lang) |
| 498 |
{ |
| 499 |
gpgme_error_t err; |
| 500 |
|
| 501 |
if (!this->pin) |
| 502 |
return gpg_error (GPG_ERR_INV_OBJ); |
| 503 |
|
| 504 |
this->edit.lang = lang; |
| 505 |
err = gpg_card_edit (ctx, this); |
| 506 |
return err; |
| 507 |
} |
| 508 |
|
| 509 |
|
| 510 |
/* Fetch the key specified by the url stored on the card. |
| 511 |
Return value: 0 on success. */ |
| 512 |
gpgme_error_t |
| 513 |
GpgCardEdit::fetchKey (void) |
| 514 |
{ |
| 515 |
gpgme_error_t err = 0; |
| 516 |
|
| 517 |
if (!this->pin) |
| 518 |
return gpg_error (GPG_ERR_INV_OBJ); |
| 519 |
|
| 520 |
return 0; |
| 521 |
} |
| 522 |
|
| 523 |
|
| 524 |
gpgme_error_t |
| 525 |
GpgCardEdit:: doCmd (int cmd, const char *arg1, const char *arg2) |
| 526 |
{ |
| 527 |
switch (cmd) { |
| 528 |
case GPG_EDITCARD_NAME: |
| 529 |
return updateName (arg1, arg2); /* given, surname */ |
| 530 |
|
| 531 |
case GPG_EDITCARD_LANG: |
| 532 |
return updateLanguage (arg1); /* lang */ |
| 533 |
|
| 534 |
case GPG_EDITCARD_SEX: |
| 535 |
return updateSex (*arg1); /* sex */ |
| 536 |
|
| 537 |
case GPG_EDITCARD_KEYURL: |
| 538 |
return updateURL (arg1); /* url */ |
| 539 |
|
| 540 |
case GPG_EDITCARD_LOGIN: |
| 541 |
return updateLogin (arg1); /* login */ |
| 542 |
} |
| 543 |
|
| 544 |
return 0; |
| 545 |
} |
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