| 1 |
/* sign.c - signing functions |
| 2 |
* Copyright (C) 2000 Werner Koch (dd9jn) |
| 3 |
* Copyright (C) 2001-2004 Timo Schulz |
| 4 |
* |
| 5 |
* This file is part of MyGPGME. |
| 6 |
* |
| 7 |
* MyGPGME is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
| 11 |
* |
| 12 |
* MyGPGME is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
| 20 |
*/ |
| 21 |
|
| 22 |
#include <stdio.h> |
| 23 |
#include <stdlib.h> |
| 24 |
#include <string.h> |
| 25 |
#include <assert.h> |
| 26 |
|
| 27 |
#include "util.h" |
| 28 |
#include "context.h" |
| 29 |
#include "ops.h" |
| 30 |
#include "status-table.h" |
| 31 |
|
| 32 |
struct sign_result_s { |
| 33 |
void * last_pw_handle; |
| 34 |
char * userid_hint; |
| 35 |
char * passphrase_info; |
| 36 |
char cardno[32+1]; |
| 37 |
int bad_passphrase; |
| 38 |
int idea_cipher; |
| 39 |
int no_passphrase; |
| 40 |
int okay; |
| 41 |
}; |
| 42 |
|
| 43 |
|
| 44 |
void |
| 45 |
_gpgme_release_sign_result( _sign_result_t res ) |
| 46 |
{ |
| 47 |
if( res ) { |
| 48 |
safe_free( res->userid_hint ); |
| 49 |
safe_free( res->passphrase_info ); |
| 50 |
safe_free( res ); |
| 51 |
} |
| 52 |
} |
| 53 |
|
| 54 |
|
| 55 |
static void |
| 56 |
sign_status_handler( gpgme_ctx_t ctx, gpg_status_code_t code, char *args ) |
| 57 |
{ |
| 58 |
char * p; |
| 59 |
int i=0; |
| 60 |
|
| 61 |
if( ctx->out_of_core ) |
| 62 |
return; |
| 63 |
if( ctx->result_type == RESULT_TYPE_NONE ) { |
| 64 |
assert( !ctx->result.sign ); |
| 65 |
ctx->result.sign = calloc( 1, sizeof *ctx->result.sign ); |
| 66 |
if( !ctx->result.sign ) { |
| 67 |
ctx->out_of_core = 1; |
| 68 |
return; |
| 69 |
} |
| 70 |
ctx->result_type = RESULT_TYPE_SIGN; |
| 71 |
} |
| 72 |
assert( ctx->result_type == RESULT_TYPE_SIGN ); |
| 73 |
|
| 74 |
switch( code ) { |
| 75 |
case STATUS_EOF: |
| 76 |
break; |
| 77 |
|
| 78 |
case STATUS_USERID_HINT: |
| 79 |
safe_free( ctx->result.sign->userid_hint ); |
| 80 |
ctx->result.sign->userid_hint = strdup( args ); |
| 81 |
if( !ctx->result.sign ) { |
| 82 |
ctx->out_of_core = 1; |
| 83 |
return; |
| 84 |
} |
| 85 |
break; |
| 86 |
|
| 87 |
case STATUS_BAD_PASSPHRASE: |
| 88 |
DEBUG0( "Bad passphrase - once again please\n" ); |
| 89 |
ctx->result.sign->bad_passphrase++; |
| 90 |
break; |
| 91 |
|
| 92 |
case STATUS_GOOD_PASSPHRASE: |
| 93 |
ctx->result.sign->bad_passphrase = 0; |
| 94 |
break; |
| 95 |
|
| 96 |
case STATUS_RSA_OR_IDEA: |
| 97 |
ctx->result.sign->idea_cipher = 1; |
| 98 |
break; |
| 99 |
|
| 100 |
case STATUS_NEED_PASSPHRASE: |
| 101 |
case STATUS_NEED_PASSPHRASE_SYM: |
| 102 |
safe_free( ctx->result.sign->passphrase_info ); |
| 103 |
ctx->result.sign->passphrase_info = strdup( args ); |
| 104 |
if( !ctx->result.sign->passphrase_info ) { |
| 105 |
ctx->out_of_core = 1; |
| 106 |
return; |
| 107 |
} |
| 108 |
break; |
| 109 |
|
| 110 |
case STATUS_MISSING_PASSPHRASE: |
| 111 |
DEBUG0( "missing passphrase - stop\n" ); |
| 112 |
ctx->result.sign->no_passphrase = 1; |
| 113 |
break; |
| 114 |
|
| 115 |
case STATUS_SIG_CREATED: |
| 116 |
ctx->result.sign->okay = 1; |
| 117 |
break; |
| 118 |
|
| 119 |
case STATUS_PROGRESS: |
| 120 |
if( ctx->cb.progress ) |
| 121 |
_gpgme_progress_handler( ctx, args ); |
| 122 |
break; |
| 123 |
|
| 124 |
case STATUS_CARDCTRL: |
| 125 |
if( args[i++] != '3' ) |
| 126 |
break; |
| 127 |
i++; |
| 128 |
p = ctx->result.sign->cardno; |
| 129 |
for( ; i-1 < DIM(ctx->result.sign->cardno) && args[i]; i++ ) |
| 130 |
*p++ = args[i]; |
| 131 |
*p = 0; |
| 132 |
break; |
| 133 |
|
| 134 |
default: |
| 135 |
break; |
| 136 |
} |
| 137 |
} |
| 138 |
|
| 139 |
|
| 140 |
static const char * |
| 141 |
command_handler( void *opaque, gpg_status_code_t code, const char *key ) |
| 142 |
{ |
| 143 |
gpgme_ctx_t c = opaque; |
| 144 |
|
| 145 |
if( c->result_type == RESULT_TYPE_NONE ) { |
| 146 |
assert( !c->result.sign ); |
| 147 |
c->result.sign = calloc( 1, sizeof *c->result.sign ); |
| 148 |
if( !c->result.sign ) { |
| 149 |
c->out_of_core = 1; |
| 150 |
return NULL; |
| 151 |
} |
| 152 |
c->result_type = RESULT_TYPE_SIGN; |
| 153 |
} |
| 154 |
|
| 155 |
if( !code ) { |
| 156 |
/* We have been called for cleanup */ |
| 157 |
if( c->cb.passphrase ) { |
| 158 |
c->cb.passphrase( c->cb.passphrase_value, 0, |
| 159 |
&c->result.sign->last_pw_handle ); |
| 160 |
} |
| 161 |
return NULL; |
| 162 |
} |
| 163 |
|
| 164 |
if( !key || !c->cb.passphrase ) |
| 165 |
return NULL; |
| 166 |
|
| 167 |
if( code == STATUS_GET_HIDDEN |
| 168 |
&& (!strcmp( key, "passphrase.enter" ) |
| 169 |
|| !strcmp( key, "passphrase.pin.ask" )) ) { |
| 170 |
const char * userid_hint = c->result.sign->userid_hint; |
| 171 |
const char * passphrase_info = c->result.sign->passphrase_info; |
| 172 |
const char * cardno = c->result.sign->cardno; |
| 173 |
int bad_passphrase = c->result.sign->bad_passphrase; |
| 174 |
int is_card=0; |
| 175 |
char * buf; |
| 176 |
const char * s; |
| 177 |
|
| 178 |
c->result.sign->bad_passphrase = 0; |
| 179 |
is_card = !strcmp( key, "passphrase.pin.ask" ); |
| 180 |
if( !userid_hint ) |
| 181 |
userid_hint = "[User ID hint missing]"; |
| 182 |
if( !passphrase_info ) |
| 183 |
passphrase_info = "[passphrase info missing]"; |
| 184 |
buf = malloc( 20 + strlen( userid_hint ) |
| 185 |
+ strlen( passphrase_info ) + 3 ); |
| 186 |
if( !buf ) { |
| 187 |
c->out_of_core = 1; |
| 188 |
return NULL; |
| 189 |
} |
| 190 |
sprintf( buf, "%s\n%s\n%s", |
| 191 |
bad_passphrase? "TRY_AGAIN":"ENTER_PASSPHRASE", |
| 192 |
userid_hint, passphrase_info ); |
| 193 |
|
| 194 |
s = c->cb.passphrase( c->cb.passphrase_value, |
| 195 |
is_card? cardno : buf, |
| 196 |
&c->result.sign->last_pw_handle ); |
| 197 |
safe_free( buf ); |
| 198 |
return s; |
| 199 |
} |
| 200 |
|
| 201 |
return NULL; |
| 202 |
} |
| 203 |
|
| 204 |
|
| 205 |
static gpgme_error_t |
| 206 |
file_sign_start (gpgme_ctx_t ctx, int signenc, int sigmode, |
| 207 |
gpgme_recipients_t recp, |
| 208 |
const char * input, const char * output) |
| 209 |
{ |
| 210 |
gpgme_error_t rc = 0; |
| 211 |
gpgme_key_t key; |
| 212 |
int i; |
| 213 |
|
| 214 |
fail_on_pending_request (ctx); |
| 215 |
ctx->pending = 1; |
| 216 |
|
| 217 |
_gpgme_gpg_release (&ctx->gpg); |
| 218 |
rc = _gpgme_gpg_new (&ctx->gpg); |
| 219 |
if( rc ) |
| 220 |
return rc; |
| 221 |
|
| 222 |
if( ctx->use_logging ) |
| 223 |
_gpgme_gpg_set_logging_handler( ctx->gpg, ctx ); |
| 224 |
_gpgme_gpg_set_status_handler( ctx->gpg, sign_status_handler, ctx ); |
| 225 |
if( !ctx->use_pass_fd ) |
| 226 |
_gpgme_gpg_set_command_handler( ctx->gpg, command_handler, ctx ); |
| 227 |
else { |
| 228 |
rc = _gpgme_add_passphrase( ctx ); |
| 229 |
if( rc ) { |
| 230 |
_gpgme_gpg_release( &ctx->gpg ); |
| 231 |
return rc; |
| 232 |
} |
| 233 |
} |
| 234 |
|
| 235 |
_gpgme_gpg_add_arg (ctx->gpg, "--yes"); |
| 236 |
|
| 237 |
for (i=0; (key = gpgme_signers_enum (ctx, i)); i++) { |
| 238 |
const char * s; |
| 239 |
s = gpgme_key_get_string_attr (key, GPGME_ATTR_KEYID, NULL, 0); |
| 240 |
if (!s) |
| 241 |
continue; |
| 242 |
_gpgme_gpg_add_arg (ctx->gpg, "-u"); |
| 243 |
_gpgme_gpg_add_arg_concat (ctx->gpg, s, "!"); |
| 244 |
if (signenc) { |
| 245 |
_gpgme_gpg_add_arg (ctx->gpg, "--encrypt-to"); |
| 246 |
_gpgme_gpg_add_arg (ctx->gpg, s); |
| 247 |
} |
| 248 |
gpgme_key_unref (key); |
| 249 |
} |
| 250 |
if( ctx->use_armor ) |
| 251 |
_gpgme_gpg_add_arg( ctx->gpg, "--armor" ); |
| 252 |
if( ctx->cb.progress ) |
| 253 |
_gpgme_gpg_add_arg( ctx->gpg, "--enable-progress-filter" ); |
| 254 |
if( output && *output ) { |
| 255 |
_gpgme_gpg_add_arg( ctx->gpg, "--output" ); |
| 256 |
_gpgme_gpg_add_arg( ctx->gpg, output ); |
| 257 |
} |
| 258 |
else |
| 259 |
_gpgme_gpg_add_arg( ctx->gpg, "--no-mangle-dos-filenames" ); |
| 260 |
if( signenc ) { |
| 261 |
if (sigmode != GPGME_SIG_MODE_NORMAL) |
| 262 |
return mk_error (Invalid_Value); |
| 263 |
if (!recp) |
| 264 |
return mk_error (No_Recipients); |
| 265 |
if (ctx->force_trust || _gpgme_recipients_all_valid (recp)) |
| 266 |
_gpgme_gpg_add_arg (ctx->gpg, "--always-trust"); |
| 267 |
_gpgme_gpg_add_arg (ctx->gpg, "--encrypt"); |
| 268 |
_gpgme_append_gpg_args_from_recipients (recp, ctx->gpg); |
| 269 |
} |
| 270 |
if (ctx->cb.progress) |
| 271 |
_gpgme_gpg_add_arg (ctx->gpg, "--enable-progress-filter"); |
| 272 |
|
| 273 |
switch( sigmode ) { |
| 274 |
case GPGME_SIG_MODE_NORMAL: |
| 275 |
_gpgme_gpg_add_arg( ctx->gpg, "--sign" ); |
| 276 |
break; |
| 277 |
case GPGME_SIG_MODE_DETACH: |
| 278 |
_gpgme_gpg_add_arg( ctx->gpg, "--detach-sign" ); |
| 279 |
break; |
| 280 |
case GPGME_SIG_MODE_CLEAR: |
| 281 |
_gpgme_gpg_add_arg( ctx->gpg, "--clearsign" ); |
| 282 |
if( ctx->use_textmode ) |
| 283 |
_gpgme_gpg_add_arg( ctx->gpg, "--textmode" ); |
| 284 |
break; |
| 285 |
default: |
| 286 |
_gpgme_gpg_add_arg( ctx->gpg, "--sign" ); |
| 287 |
break; |
| 288 |
} |
| 289 |
|
| 290 |
_gpgme_gpg_add_arg( ctx->gpg, input ); |
| 291 |
rc = _gpgme_gpg_spawn( ctx->gpg, ctx ); |
| 292 |
if( rc ) { |
| 293 |
ctx->pending = 0; |
| 294 |
_gpgme_gpg_release( &ctx->gpg ); |
| 295 |
} |
| 296 |
|
| 297 |
return rc; |
| 298 |
} /* file_sign_start */ |
| 299 |
|
| 300 |
|
| 301 |
static gpgme_error_t |
| 302 |
sign_start (gpgme_ctx_t ctx, gpgme_data_t in, gpgme_data_t out, gpgme_sigmode_t mode) |
| 303 |
{ |
| 304 |
gpgme_key_t key; |
| 305 |
int rc = 0; |
| 306 |
int i; |
| 307 |
|
| 308 |
fail_on_pending_request( ctx ); |
| 309 |
ctx->pending = 1; |
| 310 |
|
| 311 |
_gpgme_release_result( ctx ); |
| 312 |
ctx->out_of_core = 0; |
| 313 |
|
| 314 |
if( mode != GPGME_SIG_MODE_NORMAL |
| 315 |
&& mode != GPGME_SIG_MODE_DETACH |
| 316 |
&& mode != GPGME_SIG_MODE_CLEAR ) |
| 317 |
return mk_error( Invalid_Value ); |
| 318 |
|
| 319 |
/* create a process object */ |
| 320 |
_gpgme_gpg_release( &ctx->gpg ); |
| 321 |
rc = _gpgme_gpg_new( &ctx->gpg ); |
| 322 |
if( rc ) |
| 323 |
goto leave; |
| 324 |
|
| 325 |
_gpgme_gpg_set_status_handler( ctx->gpg, sign_status_handler, ctx ); |
| 326 |
if( ctx->cb.passphrase ) { |
| 327 |
rc = _gpgme_gpg_set_command_handler( ctx->gpg, command_handler, ctx ); |
| 328 |
if( rc ) |
| 329 |
goto leave; |
| 330 |
} |
| 331 |
else if( ctx->passphrase_value ) { |
| 332 |
rc = _gpgme_add_passphrase( ctx ); |
| 333 |
if( rc ) |
| 334 |
goto leave; |
| 335 |
} |
| 336 |
|
| 337 |
/* build the commandline */ |
| 338 |
if( mode == GPGME_SIG_MODE_CLEAR ) |
| 339 |
_gpgme_gpg_add_arg ( ctx->gpg, "--clearsign" ); |
| 340 |
else { |
| 341 |
_gpgme_gpg_add_arg ( ctx->gpg, "--sign" ); |
| 342 |
if( mode == GPGME_SIG_MODE_DETACH ) |
| 343 |
_gpgme_gpg_add_arg ( ctx->gpg, "--detach" ); |
| 344 |
if( ctx->use_armor ) |
| 345 |
_gpgme_gpg_add_arg ( ctx->gpg, "--armor" ); |
| 346 |
if( ctx->use_textmode) |
| 347 |
_gpgme_gpg_add_arg (ctx->gpg, "--textmode"); |
| 348 |
} |
| 349 |
for (i = 0; (key = gpgme_signers_enum (ctx, i)); i++) { |
| 350 |
const char *s; |
| 351 |
s = gpgme_key_get_string_attr (key, GPGME_ATTR_KEYID, NULL, 0); |
| 352 |
if (s) { |
| 353 |
_gpgme_gpg_add_arg (ctx->gpg, "-u"); |
| 354 |
_gpgme_gpg_add_arg_concat (ctx->gpg, s, "!"); |
| 355 |
} |
| 356 |
gpgme_key_unref (key); |
| 357 |
} |
| 358 |
|
| 359 |
/* Check the supplied data */ |
| 360 |
if( gpgme_data_get_type( in ) == GPGME_DATA_TYPE_NONE ) { |
| 361 |
rc = mk_error( No_Data ); |
| 362 |
goto leave; |
| 363 |
} |
| 364 |
_gpgme_data_set_mode(in, GPGME_DATA_MODE_OUT ); |
| 365 |
if( !out || gpgme_data_get_type( out ) != GPGME_DATA_TYPE_NONE ) { |
| 366 |
rc = mk_error( Invalid_Value ); |
| 367 |
goto leave; |
| 368 |
} |
| 369 |
_gpgme_data_set_mode( out, GPGME_DATA_MODE_IN ); |
| 370 |
|
| 371 |
if( ctx->use_tmpfiles ) { |
| 372 |
_gpgme_gpg_add_arg( ctx->gpg, "--output" ); |
| 373 |
_gpgme_gpg_add_arg( ctx->gpg, _gpgme_get_tmpfile( 0 ) ); |
| 374 |
_gpgme_data_write_to_tmpfile( in ); |
| 375 |
_gpgme_gpg_add_arg( ctx->gpg, _gpgme_get_tmpfile( 1 ) ); |
| 376 |
} |
| 377 |
else { |
| 378 |
/* Tell the gpg object about the data */ |
| 379 |
_gpgme_gpg_add_data( ctx->gpg, in, 0 ); |
| 380 |
_gpgme_gpg_add_data( ctx->gpg, out, 1 ); |
| 381 |
} |
| 382 |
|
| 383 |
/* and kick off the process */ |
| 384 |
rc = _gpgme_gpg_spawn( ctx->gpg, ctx ); |
| 385 |
|
| 386 |
leave: |
| 387 |
if( rc ) { |
| 388 |
ctx->pending = 0; |
| 389 |
_gpgme_gpg_release( &ctx->gpg ); |
| 390 |
} |
| 391 |
return rc; |
| 392 |
} |
| 393 |
|
| 394 |
|
| 395 |
static gpgme_error_t |
| 396 |
get_sign_result( gpgme_ctx_t ctx ) |
| 397 |
{ |
| 398 |
struct sign_result_s * res; |
| 399 |
gpgme_error_t err = 0; |
| 400 |
|
| 401 |
if( ctx->result_type != RESULT_TYPE_SIGN ) |
| 402 |
err = mk_error( General_Error ); |
| 403 |
else if( ctx->out_of_core ) |
| 404 |
err = mk_error( Out_Of_Core ); |
| 405 |
else { |
| 406 |
assert ( ctx->result.sign ); |
| 407 |
res = ctx->result.sign; |
| 408 |
if( res->no_passphrase ) |
| 409 |
err = mk_error( No_Passphrase ); |
| 410 |
else if( res->bad_passphrase ) |
| 411 |
err = mk_error( Bad_Passphrase ); |
| 412 |
else if( res->idea_cipher ) |
| 413 |
err = mk_error( Cipher_IDEA ); |
| 414 |
else if( gpgme_get_process_rc( ctx ) ) |
| 415 |
err = mk_error( Internal_GPG_Problem ); |
| 416 |
else if( !res->okay ) |
| 417 |
err = mk_error( Signing_Failed ); |
| 418 |
} |
| 419 |
return err; |
| 420 |
} /* get_sign_result */ |
| 421 |
|
| 422 |
|
| 423 |
/** |
| 424 |
* gpgme_op_sign: |
| 425 |
* @c: The context |
| 426 |
* @in: Data to be signed |
| 427 |
* @out: Detached signature |
| 428 |
* @mode: Signature creation mode |
| 429 |
* |
| 430 |
* Create a detached signature for @in and write it to @out. |
| 431 |
* The data will be signed using either the default key or the ones |
| 432 |
* defined through @c. |
| 433 |
* The defined modes for signature create are: |
| 434 |
* <literal> |
| 435 |
* GPGME_SIG_MODE_NORMAL (or 0) |
| 436 |
* GPGME_SIG_MODE_DETACH |
| 437 |
* GPGME_SIG_MODE_CLEAR |
| 438 |
* </literal> |
| 439 |
* Note that the settings done by gpgme_set_armor() and gpgme_set_textmode() |
| 440 |
* are ignore for @mode GPGME_SIG_MODE_CLEAR. |
| 441 |
* |
| 442 |
* Return value: 0 on success or an error code. |
| 443 |
**/ |
| 444 |
gpgme_error_t |
| 445 |
gpgme_op_sign( gpgme_ctx_t ctx, gpgme_data_t in, gpgme_data_t out, gpgme_sigmode_t mode ) |
| 446 |
{ |
| 447 |
gpgme_error_t err; |
| 448 |
|
| 449 |
err = sign_start( ctx, in, out, mode ); |
| 450 |
if ( !err ) { |
| 451 |
gpgme_wait( ctx, 1 ); |
| 452 |
ctx->pending = 0; |
| 453 |
if( ctx->use_tmpfiles ) { |
| 454 |
_gpgme_data_read_from_tmpfile( out ); |
| 455 |
_gpgme_del_tmpfiles( ctx->wipe_fnc ); |
| 456 |
} |
| 457 |
err = get_sign_result( ctx ); |
| 458 |
} |
| 459 |
return err; |
| 460 |
} /* gpgme_op_sign */ |
| 461 |
|
| 462 |
|
| 463 |
gpgme_error_t |
| 464 |
gpgme_op_file_sign (gpgme_ctx_t ctx, gpgme_sigmode_t mode, |
| 465 |
const char * input, const char * output) |
| 466 |
{ |
| 467 |
gpgme_error_t err; |
| 468 |
|
| 469 |
err = file_sign_start (ctx, 0, mode, NULL, input, output); |
| 470 |
if (!err) { |
| 471 |
gpgme_wait (ctx, 1); |
| 472 |
ctx->pending = 0; |
| 473 |
err = get_sign_result (ctx); |
| 474 |
} |
| 475 |
return err; |
| 476 |
} /* gpgme_file_sign */ |
| 477 |
|
| 478 |
|
| 479 |
gpgme_error_t |
| 480 |
gpgme_op_files_sign( gpgme_ctx_t ctx, gpgme_sigmode_t mode, |
| 481 |
const char ** files, size_t nfiles ) |
| 482 |
{ |
| 483 |
gpgme_error_t err; |
| 484 |
size_t i; |
| 485 |
|
| 486 |
for( i=0; i < nfiles; i++ ) { |
| 487 |
err = gpgme_op_file_sign( ctx, mode, files[i], NULL ); |
| 488 |
if( err ) |
| 489 |
break; |
| 490 |
} |
| 491 |
return err; |
| 492 |
} /* gpgme_op_files_sign */ |
| 493 |
|
| 494 |
|
| 495 |
gpgme_error_t |
| 496 |
gpgme_op_file_sign_encrypt( gpgme_ctx_t ctx, gpgme_recipients_t recp, |
| 497 |
const char * input, const char * output ) |
| 498 |
{ |
| 499 |
gpgme_error_t err; |
| 500 |
|
| 501 |
err = file_sign_start( ctx, 1, GPGME_SIG_MODE_NORMAL, recp, input, output ); |
| 502 |
if( !err ) { |
| 503 |
gpgme_wait( ctx, 1 ); |
| 504 |
ctx->pending = 0; |
| 505 |
err = get_sign_result( ctx ); |
| 506 |
} |
| 507 |
return err; |
| 508 |
} /* gpgme_op_file_sign_encrypt */ |
| 509 |
|
| 510 |
|
| 511 |
gpgme_error_t |
| 512 |
gpgme_op_files_sign_encrypt( gpgme_ctx_t ctx, gpgme_recipients_t recp, |
| 513 |
const char ** files, size_t nfiles ) |
| 514 |
{ |
| 515 |
gpgme_error_t err; |
| 516 |
size_t i; |
| 517 |
|
| 518 |
for( i=0; i < nfiles; i++ ) { |
| 519 |
err = gpgme_op_file_sign_encrypt( ctx, recp, files[i], NULL ); |
| 520 |
if( err ) |
| 521 |
break; |
| 522 |
} |
| 523 |
return err; |
| 524 |
} /* gpgme_op_files_sign_encrypt */ |
| 525 |
|
| 526 |
|
| 527 |
gpgme_error_t |
| 528 |
gpgme_op_clip_sign( gpgme_ctx_t ctx, gpgme_sigmode_t mode, |
| 529 |
const char * keyid, int wraplen ) |
| 530 |
{ |
| 531 |
gpgme_error_t err; |
| 532 |
gpgme_data_t plain = NULL; |
| 533 |
gpgme_data_t sig = NULL; |
| 534 |
gpgme_key_t key = NULL; |
| 535 |
|
| 536 |
if (!keyid) |
| 537 |
return mk_error (General_Error); |
| 538 |
|
| 539 |
gpgme_control (ctx, GPGME_CTRL_ARMOR, 1); |
| 540 |
err = gpgme_data_new_from_clipboard (&plain); |
| 541 |
if (err) |
| 542 |
return err; |
| 543 |
if (wraplen) |
| 544 |
gpgme_data_wrap_lines (&plain, wraplen); |
| 545 |
gpgme_data_write (plain, "\r\n", 1); |
| 546 |
|
| 547 |
key = _gpgme_key_new_fromkeyid (keyid); |
| 548 |
if (!key) { |
| 549 |
gpgme_data_release (sig); |
| 550 |
return mk_error (General_Error); |
| 551 |
} |
| 552 |
|
| 553 |
err = gpgme_data_new (&sig); |
| 554 |
if (!err) |
| 555 |
err = gpgme_signers_add (ctx, key); |
| 556 |
if (!err) |
| 557 |
err = gpgme_op_sign (ctx, plain, sig, mode); |
| 558 |
if (!err) { |
| 559 |
gpgme_data_change_version (&sig); |
| 560 |
gpgme_data_release_and_set_clipboard (sig); |
| 561 |
} |
| 562 |
|
| 563 |
gpgme_data_release (plain); |
| 564 |
gpgme_key_release (key); |
| 565 |
return err; |
| 566 |
} /* gpgme_op_clip_sign */ |
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