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| 1 /* crypto/ui/ui_lib.c -*- mode:C; c-file-style: "eay" -*- */ | |
| 2 /* Written by Richard Levitte (richard@levitte.org) for the OpenSSL | |
| 3 * project 2001. | |
| 4 */ | |
| 5 /* ==================================================================== | |
| 6 * Copyright (c) 2001 The OpenSSL Project. All rights reserved. | |
| 7 * | |
| 8 * Redistribution and use in source and binary forms, with or without | |
| 9 * modification, are permitted provided that the following conditions | |
| 10 * are met: | |
| 11 * | |
| 12 * 1. Redistributions of source code must retain the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer. | |
| 14 * | |
| 15 * 2. Redistributions in binary form must reproduce the above copyright | |
| 16 * notice, this list of conditions and the following disclaimer in | |
| 17 * the documentation and/or other materials provided with the | |
| 18 * distribution. | |
| 19 * | |
| 20 * 3. All advertising materials mentioning features or use of this | |
| 21 * software must display the following acknowledgment: | |
| 22 * "This product includes software developed by the OpenSSL Project | |
| 23 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
| 24 * | |
| 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 26 * endorse or promote products derived from this software without | |
| 27 * prior written permission. For written permission, please contact | |
| 28 * openssl-core@openssl.org. | |
| 29 * | |
| 30 * 5. Products derived from this software may not be called "OpenSSL" | |
| 31 * nor may "OpenSSL" appear in their names without prior written | |
| 32 * permission of the OpenSSL Project. | |
| 33 * | |
| 34 * 6. Redistributions of any form whatsoever must retain the following | |
| 35 * acknowledgment: | |
| 36 * "This product includes software developed by the OpenSSL Project | |
| 37 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
| 38 * | |
| 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 50 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 51 * ==================================================================== | |
| 52 * | |
| 53 * This product includes cryptographic software written by Eric Young | |
| 54 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 55 * Hudson (tjh@cryptsoft.com). | |
| 56 * | |
| 57 */ | |
| 58 | |
| 59 #include <string.h> | |
| 60 #include "cryptlib.h" | |
| 61 #include <openssl/e_os2.h> | |
| 62 #include <openssl/buffer.h> | |
| 63 #include <openssl/ui.h> | |
| 64 #include <openssl/err.h> | |
| 65 #include "ui_locl.h" | |
| 66 | |
| 67 IMPLEMENT_STACK_OF(UI_STRING_ST) | |
| 68 | |
| 69 static const UI_METHOD *default_UI_meth=NULL; | |
| 70 | |
| 71 UI *UI_new(void) | |
| 72 { | |
| 73 return(UI_new_method(NULL)); | |
| 74 } | |
| 75 | |
| 76 UI *UI_new_method(const UI_METHOD *method) | |
| 77 { | |
| 78 UI *ret; | |
| 79 | |
| 80 ret=(UI *)OPENSSL_malloc(sizeof(UI)); | |
| 81 if (ret == NULL) | |
| 82 { | |
| 83 UIerr(UI_F_UI_NEW_METHOD,ERR_R_MALLOC_FAILURE); | |
| 84 return NULL; | |
| 85 } | |
| 86 if (method == NULL) | |
| 87 ret->meth=UI_get_default_method(); | |
| 88 else | |
| 89 ret->meth=method; | |
| 90 | |
| 91 ret->strings=NULL; | |
| 92 ret->user_data=NULL; | |
| 93 ret->flags=0; | |
| 94 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data); | |
| 95 return ret; | |
| 96 } | |
| 97 | |
| 98 static void free_string(UI_STRING *uis) | |
| 99 { | |
| 100 if (uis->flags & OUT_STRING_FREEABLE) | |
| 101 { | |
| 102 OPENSSL_free((char *)uis->out_string); | |
| 103 switch(uis->type) | |
| 104 { | |
| 105 case UIT_BOOLEAN: | |
| 106 OPENSSL_free((char *)uis->_.boolean_data.action_desc); | |
| 107 OPENSSL_free((char *)uis->_.boolean_data.ok_chars); | |
| 108 OPENSSL_free((char *)uis->_.boolean_data.cancel_chars); | |
| 109 break; | |
| 110 default: | |
| 111 break; | |
| 112 } | |
| 113 } | |
| 114 OPENSSL_free(uis); | |
| 115 } | |
| 116 | |
| 117 void UI_free(UI *ui) | |
| 118 { | |
| 119 if (ui == NULL) | |
| 120 return; | |
| 121 sk_UI_STRING_pop_free(ui->strings,free_string); | |
| 122 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data); | |
| 123 OPENSSL_free(ui); | |
| 124 } | |
| 125 | |
| 126 static int allocate_string_stack(UI *ui) | |
| 127 { | |
| 128 if (ui->strings == NULL) | |
| 129 { | |
| 130 ui->strings=sk_UI_STRING_new_null(); | |
| 131 if (ui->strings == NULL) | |
| 132 { | |
| 133 return -1; | |
| 134 } | |
| 135 } | |
| 136 return 0; | |
| 137 } | |
| 138 | |
| 139 static UI_STRING *general_allocate_prompt(UI *ui, const char *prompt, | |
| 140 int prompt_freeable, enum UI_string_types type, int input_flags, | |
| 141 char *result_buf) | |
| 142 { | |
| 143 UI_STRING *ret = NULL; | |
| 144 | |
| 145 if (prompt == NULL) | |
| 146 { | |
| 147 UIerr(UI_F_GENERAL_ALLOCATE_PROMPT,ERR_R_PASSED_NULL_PARAMETER); | |
| 148 } | |
| 149 else if ((type == UIT_PROMPT || type == UIT_VERIFY | |
| 150 || type == UIT_BOOLEAN) && result_buf == NULL) | |
| 151 { | |
| 152 UIerr(UI_F_GENERAL_ALLOCATE_PROMPT,UI_R_NO_RESULT_BUFFER); | |
| 153 } | |
| 154 else if ((ret = (UI_STRING *)OPENSSL_malloc(sizeof(UI_STRING)))) | |
| 155 { | |
| 156 ret->out_string=prompt; | |
| 157 ret->flags=prompt_freeable ? OUT_STRING_FREEABLE : 0; | |
| 158 ret->input_flags=input_flags; | |
| 159 ret->type=type; | |
| 160 ret->result_buf=result_buf; | |
| 161 } | |
| 162 return ret; | |
| 163 } | |
| 164 | |
| 165 static int general_allocate_string(UI *ui, const char *prompt, | |
| 166 int prompt_freeable, enum UI_string_types type, int input_flags, | |
| 167 char *result_buf, int minsize, int maxsize, const char *test_buf) | |
| 168 { | |
| 169 int ret = -1; | |
| 170 UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable, | |
| 171 type, input_flags, result_buf); | |
| 172 | |
| 173 if (s) | |
| 174 { | |
| 175 if (allocate_string_stack(ui) >= 0) | |
| 176 { | |
| 177 s->_.string_data.result_minsize=minsize; | |
| 178 s->_.string_data.result_maxsize=maxsize; | |
| 179 s->_.string_data.test_buf=test_buf; | |
| 180 ret=sk_UI_STRING_push(ui->strings, s); | |
| 181 /* sk_push() returns 0 on error. Let's addapt that */ | |
| 182 if (ret <= 0) ret--; | |
| 183 } | |
| 184 else | |
| 185 free_string(s); | |
| 186 } | |
| 187 return ret; | |
| 188 } | |
| 189 | |
| 190 static int general_allocate_boolean(UI *ui, | |
| 191 const char *prompt, const char *action_desc, | |
| 192 const char *ok_chars, const char *cancel_chars, | |
| 193 int prompt_freeable, enum UI_string_types type, int input_flags, | |
| 194 char *result_buf) | |
| 195 { | |
| 196 int ret = -1; | |
| 197 UI_STRING *s; | |
| 198 const char *p; | |
| 199 | |
| 200 if (ok_chars == NULL) | |
| 201 { | |
| 202 UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,ERR_R_PASSED_NULL_PARAMETER)
; | |
| 203 } | |
| 204 else if (cancel_chars == NULL) | |
| 205 { | |
| 206 UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,ERR_R_PASSED_NULL_PARAMETER)
; | |
| 207 } | |
| 208 else | |
| 209 { | |
| 210 for(p = ok_chars; *p; p++) | |
| 211 { | |
| 212 if (strchr(cancel_chars, *p)) | |
| 213 { | |
| 214 UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, | |
| 215 UI_R_COMMON_OK_AND_CANCEL_CHARACTERS); | |
| 216 } | |
| 217 } | |
| 218 | |
| 219 s = general_allocate_prompt(ui, prompt, prompt_freeable, | |
| 220 type, input_flags, result_buf); | |
| 221 | |
| 222 if (s) | |
| 223 { | |
| 224 if (allocate_string_stack(ui) >= 0) | |
| 225 { | |
| 226 s->_.boolean_data.action_desc = action_desc; | |
| 227 s->_.boolean_data.ok_chars = ok_chars; | |
| 228 s->_.boolean_data.cancel_chars = cancel_chars; | |
| 229 ret=sk_UI_STRING_push(ui->strings, s); | |
| 230 /* sk_push() returns 0 on error. | |
| 231 Let's addapt that */ | |
| 232 if (ret <= 0) ret--; | |
| 233 } | |
| 234 else | |
| 235 free_string(s); | |
| 236 } | |
| 237 } | |
| 238 return ret; | |
| 239 } | |
| 240 | |
| 241 /* Returns the index to the place in the stack or -1 for error. Uses a | |
| 242 direct reference to the prompt. */ | |
| 243 int UI_add_input_string(UI *ui, const char *prompt, int flags, | |
| 244 char *result_buf, int minsize, int maxsize) | |
| 245 { | |
| 246 return general_allocate_string(ui, prompt, 0, | |
| 247 UIT_PROMPT, flags, result_buf, minsize, maxsize, NULL); | |
| 248 } | |
| 249 | |
| 250 /* Same as UI_add_input_string(), excepts it takes a copy of the prompt */ | |
| 251 int UI_dup_input_string(UI *ui, const char *prompt, int flags, | |
| 252 char *result_buf, int minsize, int maxsize) | |
| 253 { | |
| 254 char *prompt_copy=NULL; | |
| 255 | |
| 256 if (prompt) | |
| 257 { | |
| 258 prompt_copy=BUF_strdup(prompt); | |
| 259 if (prompt_copy == NULL) | |
| 260 { | |
| 261 UIerr(UI_F_UI_DUP_INPUT_STRING,ERR_R_MALLOC_FAILURE); | |
| 262 return 0; | |
| 263 } | |
| 264 } | |
| 265 | |
| 266 return general_allocate_string(ui, prompt_copy, 1, | |
| 267 UIT_PROMPT, flags, result_buf, minsize, maxsize, NULL); | |
| 268 } | |
| 269 | |
| 270 int UI_add_verify_string(UI *ui, const char *prompt, int flags, | |
| 271 char *result_buf, int minsize, int maxsize, const char *test_buf) | |
| 272 { | |
| 273 return general_allocate_string(ui, prompt, 0, | |
| 274 UIT_VERIFY, flags, result_buf, minsize, maxsize, test_buf); | |
| 275 } | |
| 276 | |
| 277 int UI_dup_verify_string(UI *ui, const char *prompt, int flags, | |
| 278 char *result_buf, int minsize, int maxsize, const char *test_buf) | |
| 279 { | |
| 280 char *prompt_copy=NULL; | |
| 281 | |
| 282 if (prompt) | |
| 283 { | |
| 284 prompt_copy=BUF_strdup(prompt); | |
| 285 if (prompt_copy == NULL) | |
| 286 { | |
| 287 UIerr(UI_F_UI_DUP_VERIFY_STRING,ERR_R_MALLOC_FAILURE); | |
| 288 return -1; | |
| 289 } | |
| 290 } | |
| 291 | |
| 292 return general_allocate_string(ui, prompt_copy, 1, | |
| 293 UIT_VERIFY, flags, result_buf, minsize, maxsize, test_buf); | |
| 294 } | |
| 295 | |
| 296 int UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc, | |
| 297 const char *ok_chars, const char *cancel_chars, | |
| 298 int flags, char *result_buf) | |
| 299 { | |
| 300 return general_allocate_boolean(ui, prompt, action_desc, | |
| 301 ok_chars, cancel_chars, 0, UIT_BOOLEAN, flags, result_buf); | |
| 302 } | |
| 303 | |
| 304 int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc, | |
| 305 const char *ok_chars, const char *cancel_chars, | |
| 306 int flags, char *result_buf) | |
| 307 { | |
| 308 char *prompt_copy = NULL; | |
| 309 char *action_desc_copy = NULL; | |
| 310 char *ok_chars_copy = NULL; | |
| 311 char *cancel_chars_copy = NULL; | |
| 312 | |
| 313 if (prompt) | |
| 314 { | |
| 315 prompt_copy=BUF_strdup(prompt); | |
| 316 if (prompt_copy == NULL) | |
| 317 { | |
| 318 UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE); | |
| 319 goto err; | |
| 320 } | |
| 321 } | |
| 322 | |
| 323 if (action_desc) | |
| 324 { | |
| 325 action_desc_copy=BUF_strdup(action_desc); | |
| 326 if (action_desc_copy == NULL) | |
| 327 { | |
| 328 UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE); | |
| 329 goto err; | |
| 330 } | |
| 331 } | |
| 332 | |
| 333 if (ok_chars) | |
| 334 { | |
| 335 ok_chars_copy=BUF_strdup(ok_chars); | |
| 336 if (ok_chars_copy == NULL) | |
| 337 { | |
| 338 UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE); | |
| 339 goto err; | |
| 340 } | |
| 341 } | |
| 342 | |
| 343 if (cancel_chars) | |
| 344 { | |
| 345 cancel_chars_copy=BUF_strdup(cancel_chars); | |
| 346 if (cancel_chars_copy == NULL) | |
| 347 { | |
| 348 UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE); | |
| 349 goto err; | |
| 350 } | |
| 351 } | |
| 352 | |
| 353 return general_allocate_boolean(ui, prompt_copy, action_desc_copy, | |
| 354 ok_chars_copy, cancel_chars_copy, 1, UIT_BOOLEAN, flags, | |
| 355 result_buf); | |
| 356 err: | |
| 357 if (prompt_copy) OPENSSL_free(prompt_copy); | |
| 358 if (action_desc_copy) OPENSSL_free(action_desc_copy); | |
| 359 if (ok_chars_copy) OPENSSL_free(ok_chars_copy); | |
| 360 if (cancel_chars_copy) OPENSSL_free(cancel_chars_copy); | |
| 361 return -1; | |
| 362 } | |
| 363 | |
| 364 int UI_add_info_string(UI *ui, const char *text) | |
| 365 { | |
| 366 return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0, | |
| 367 NULL); | |
| 368 } | |
| 369 | |
| 370 int UI_dup_info_string(UI *ui, const char *text) | |
| 371 { | |
| 372 char *text_copy=NULL; | |
| 373 | |
| 374 if (text) | |
| 375 { | |
| 376 text_copy=BUF_strdup(text); | |
| 377 if (text_copy == NULL) | |
| 378 { | |
| 379 UIerr(UI_F_UI_DUP_INFO_STRING,ERR_R_MALLOC_FAILURE); | |
| 380 return -1; | |
| 381 } | |
| 382 } | |
| 383 | |
| 384 return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL, | |
| 385 0, 0, NULL); | |
| 386 } | |
| 387 | |
| 388 int UI_add_error_string(UI *ui, const char *text) | |
| 389 { | |
| 390 return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0, | |
| 391 NULL); | |
| 392 } | |
| 393 | |
| 394 int UI_dup_error_string(UI *ui, const char *text) | |
| 395 { | |
| 396 char *text_copy=NULL; | |
| 397 | |
| 398 if (text) | |
| 399 { | |
| 400 text_copy=BUF_strdup(text); | |
| 401 if (text_copy == NULL) | |
| 402 { | |
| 403 UIerr(UI_F_UI_DUP_ERROR_STRING,ERR_R_MALLOC_FAILURE); | |
| 404 return -1; | |
| 405 } | |
| 406 } | |
| 407 return general_allocate_string(ui, text_copy, 1, UIT_ERROR, 0, NULL, | |
| 408 0, 0, NULL); | |
| 409 } | |
| 410 | |
| 411 char *UI_construct_prompt(UI *ui, const char *object_desc, | |
| 412 const char *object_name) | |
| 413 { | |
| 414 char *prompt = NULL; | |
| 415 | |
| 416 if (ui->meth->ui_construct_prompt) | |
| 417 prompt = ui->meth->ui_construct_prompt(ui, | |
| 418 object_desc, object_name); | |
| 419 else | |
| 420 { | |
| 421 char prompt1[] = "Enter "; | |
| 422 char prompt2[] = " for "; | |
| 423 char prompt3[] = ":"; | |
| 424 int len = 0; | |
| 425 | |
| 426 if (object_desc == NULL) | |
| 427 return NULL; | |
| 428 len = sizeof(prompt1) - 1 + strlen(object_desc); | |
| 429 if (object_name) | |
| 430 len += sizeof(prompt2) - 1 + strlen(object_name); | |
| 431 len += sizeof(prompt3) - 1; | |
| 432 | |
| 433 prompt = (char *)OPENSSL_malloc(len + 1); | |
| 434 BUF_strlcpy(prompt, prompt1, len + 1); | |
| 435 BUF_strlcat(prompt, object_desc, len + 1); | |
| 436 if (object_name) | |
| 437 { | |
| 438 BUF_strlcat(prompt, prompt2, len + 1); | |
| 439 BUF_strlcat(prompt, object_name, len + 1); | |
| 440 } | |
| 441 BUF_strlcat(prompt, prompt3, len + 1); | |
| 442 } | |
| 443 return prompt; | |
| 444 } | |
| 445 | |
| 446 void *UI_add_user_data(UI *ui, void *user_data) | |
| 447 { | |
| 448 void *old_data = ui->user_data; | |
| 449 ui->user_data = user_data; | |
| 450 return old_data; | |
| 451 } | |
| 452 | |
| 453 void *UI_get0_user_data(UI *ui) | |
| 454 { | |
| 455 return ui->user_data; | |
| 456 } | |
| 457 | |
| 458 const char *UI_get0_result(UI *ui, int i) | |
| 459 { | |
| 460 if (i < 0) | |
| 461 { | |
| 462 UIerr(UI_F_UI_GET0_RESULT,UI_R_INDEX_TOO_SMALL); | |
| 463 return NULL; | |
| 464 } | |
| 465 if (i >= sk_UI_STRING_num(ui->strings)) | |
| 466 { | |
| 467 UIerr(UI_F_UI_GET0_RESULT,UI_R_INDEX_TOO_LARGE); | |
| 468 return NULL; | |
| 469 } | |
| 470 return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i)); | |
| 471 } | |
| 472 | |
| 473 static int print_error(const char *str, size_t len, UI *ui) | |
| 474 { | |
| 475 UI_STRING uis; | |
| 476 | |
| 477 memset(&uis, 0, sizeof(uis)); | |
| 478 uis.type = UIT_ERROR; | |
| 479 uis.out_string = str; | |
| 480 | |
| 481 if (ui->meth->ui_write_string | |
| 482 && !ui->meth->ui_write_string(ui, &uis)) | |
| 483 return -1; | |
| 484 return 0; | |
| 485 } | |
| 486 | |
| 487 int UI_process(UI *ui) | |
| 488 { | |
| 489 int i, ok=0; | |
| 490 | |
| 491 if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui)) | |
| 492 return -1; | |
| 493 | |
| 494 if (ui->flags & UI_FLAG_PRINT_ERRORS) | |
| 495 ERR_print_errors_cb( | |
| 496 (int (*)(const char *, size_t, void *))print_error, | |
| 497 (void *)ui); | |
| 498 | |
| 499 for(i=0; i<sk_UI_STRING_num(ui->strings); i++) | |
| 500 { | |
| 501 if (ui->meth->ui_write_string | |
| 502 && !ui->meth->ui_write_string(ui, | |
| 503 sk_UI_STRING_value(ui->strings, i))) | |
| 504 { | |
| 505 ok=-1; | |
| 506 goto err; | |
| 507 } | |
| 508 } | |
| 509 | |
| 510 if (ui->meth->ui_flush) | |
| 511 switch(ui->meth->ui_flush(ui)) | |
| 512 { | |
| 513 case -1: /* Interrupt/Cancel/something... */ | |
| 514 ok = -2; | |
| 515 goto err; | |
| 516 case 0: /* Errors */ | |
| 517 ok = -1; | |
| 518 goto err; | |
| 519 default: /* Success */ | |
| 520 ok = 0; | |
| 521 break; | |
| 522 } | |
| 523 | |
| 524 for(i=0; i<sk_UI_STRING_num(ui->strings); i++) | |
| 525 { | |
| 526 if (ui->meth->ui_read_string) | |
| 527 { | |
| 528 switch(ui->meth->ui_read_string(ui, | |
| 529 sk_UI_STRING_value(ui->strings, i))) | |
| 530 { | |
| 531 case -1: /* Interrupt/Cancel/something... */ | |
| 532 ok = -2; | |
| 533 goto err; | |
| 534 case 0: /* Errors */ | |
| 535 ok = -1; | |
| 536 goto err; | |
| 537 default: /* Success */ | |
| 538 ok = 0; | |
| 539 break; | |
| 540 } | |
| 541 } | |
| 542 } | |
| 543 err: | |
| 544 if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui)) | |
| 545 return -1; | |
| 546 return ok; | |
| 547 } | |
| 548 | |
| 549 int UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f)(void)) | |
| 550 { | |
| 551 if (ui == NULL) | |
| 552 { | |
| 553 UIerr(UI_F_UI_CTRL,ERR_R_PASSED_NULL_PARAMETER); | |
| 554 return -1; | |
| 555 } | |
| 556 switch(cmd) | |
| 557 { | |
| 558 case UI_CTRL_PRINT_ERRORS: | |
| 559 { | |
| 560 int save_flag = !!(ui->flags & UI_FLAG_PRINT_ERRORS); | |
| 561 if (i) | |
| 562 ui->flags |= UI_FLAG_PRINT_ERRORS; | |
| 563 else | |
| 564 ui->flags &= ~UI_FLAG_PRINT_ERRORS; | |
| 565 return save_flag; | |
| 566 } | |
| 567 case UI_CTRL_IS_REDOABLE: | |
| 568 return !!(ui->flags & UI_FLAG_REDOABLE); | |
| 569 default: | |
| 570 break; | |
| 571 } | |
| 572 UIerr(UI_F_UI_CTRL,UI_R_UNKNOWN_CONTROL_COMMAND); | |
| 573 return -1; | |
| 574 } | |
| 575 | |
| 576 int UI_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | |
| 577 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | |
| 578 { | |
| 579 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_UI, argl, argp, | |
| 580 new_func, dup_func, free_func); | |
| 581 } | |
| 582 | |
| 583 int UI_set_ex_data(UI *r, int idx, void *arg) | |
| 584 { | |
| 585 return(CRYPTO_set_ex_data(&r->ex_data,idx,arg)); | |
| 586 } | |
| 587 | |
| 588 void *UI_get_ex_data(UI *r, int idx) | |
| 589 { | |
| 590 return(CRYPTO_get_ex_data(&r->ex_data,idx)); | |
| 591 } | |
| 592 | |
| 593 void UI_set_default_method(const UI_METHOD *meth) | |
| 594 { | |
| 595 default_UI_meth=meth; | |
| 596 } | |
| 597 | |
| 598 const UI_METHOD *UI_get_default_method(void) | |
| 599 { | |
| 600 if (default_UI_meth == NULL) | |
| 601 { | |
| 602 default_UI_meth=UI_OpenSSL(); | |
| 603 } | |
| 604 return default_UI_meth; | |
| 605 } | |
| 606 | |
| 607 const UI_METHOD *UI_get_method(UI *ui) | |
| 608 { | |
| 609 return ui->meth; | |
| 610 } | |
| 611 | |
| 612 const UI_METHOD *UI_set_method(UI *ui, const UI_METHOD *meth) | |
| 613 { | |
| 614 ui->meth=meth; | |
| 615 return ui->meth; | |
| 616 } | |
| 617 | |
| 618 | |
| 619 UI_METHOD *UI_create_method(char *name) | |
| 620 { | |
| 621 UI_METHOD *ui_method = (UI_METHOD *)OPENSSL_malloc(sizeof(UI_METHOD)); | |
| 622 | |
| 623 if (ui_method) | |
| 624 { | |
| 625 memset(ui_method, 0, sizeof(*ui_method)); | |
| 626 ui_method->name = BUF_strdup(name); | |
| 627 } | |
| 628 return ui_method; | |
| 629 } | |
| 630 | |
| 631 /* BIG FSCKING WARNING!!!! If you use this on a statically allocated method | |
| 632 (that is, it hasn't been allocated using UI_create_method(), you deserve | |
| 633 anything Murphy can throw at you and more! You have been warned. */ | |
| 634 void UI_destroy_method(UI_METHOD *ui_method) | |
| 635 { | |
| 636 OPENSSL_free(ui_method->name); | |
| 637 ui_method->name = NULL; | |
| 638 OPENSSL_free(ui_method); | |
| 639 } | |
| 640 | |
| 641 int UI_method_set_opener(UI_METHOD *method, int (*opener)(UI *ui)) | |
| 642 { | |
| 643 if (method) | |
| 644 { | |
| 645 method->ui_open_session = opener; | |
| 646 return 0; | |
| 647 } | |
| 648 else | |
| 649 return -1; | |
| 650 } | |
| 651 | |
| 652 int UI_method_set_writer(UI_METHOD *method, int (*writer)(UI *ui, UI_STRING *uis
)) | |
| 653 { | |
| 654 if (method) | |
| 655 { | |
| 656 method->ui_write_string = writer; | |
| 657 return 0; | |
| 658 } | |
| 659 else | |
| 660 return -1; | |
| 661 } | |
| 662 | |
| 663 int UI_method_set_flusher(UI_METHOD *method, int (*flusher)(UI *ui)) | |
| 664 { | |
| 665 if (method) | |
| 666 { | |
| 667 method->ui_flush = flusher; | |
| 668 return 0; | |
| 669 } | |
| 670 else | |
| 671 return -1; | |
| 672 } | |
| 673 | |
| 674 int UI_method_set_reader(UI_METHOD *method, int (*reader)(UI *ui, UI_STRING *uis
)) | |
| 675 { | |
| 676 if (method) | |
| 677 { | |
| 678 method->ui_read_string = reader; | |
| 679 return 0; | |
| 680 } | |
| 681 else | |
| 682 return -1; | |
| 683 } | |
| 684 | |
| 685 int UI_method_set_closer(UI_METHOD *method, int (*closer)(UI *ui)) | |
| 686 { | |
| 687 if (method) | |
| 688 { | |
| 689 method->ui_close_session = closer; | |
| 690 return 0; | |
| 691 } | |
| 692 else | |
| 693 return -1; | |
| 694 } | |
| 695 | |
| 696 int UI_method_set_prompt_constructor(UI_METHOD *method, char *(*prompt_construct
or)(UI* ui, const char* object_desc, const char* object_name)) | |
| 697 { | |
| 698 if (method) | |
| 699 { | |
| 700 method->ui_construct_prompt = prompt_constructor; | |
| 701 return 0; | |
| 702 } | |
| 703 else | |
| 704 return -1; | |
| 705 } | |
| 706 | |
| 707 int (*UI_method_get_opener(UI_METHOD *method))(UI*) | |
| 708 { | |
| 709 if (method) | |
| 710 return method->ui_open_session; | |
| 711 else | |
| 712 return NULL; | |
| 713 } | |
| 714 | |
| 715 int (*UI_method_get_writer(UI_METHOD *method))(UI*,UI_STRING*) | |
| 716 { | |
| 717 if (method) | |
| 718 return method->ui_write_string; | |
| 719 else | |
| 720 return NULL; | |
| 721 } | |
| 722 | |
| 723 int (*UI_method_get_flusher(UI_METHOD *method))(UI*) | |
| 724 { | |
| 725 if (method) | |
| 726 return method->ui_flush; | |
| 727 else | |
| 728 return NULL; | |
| 729 } | |
| 730 | |
| 731 int (*UI_method_get_reader(UI_METHOD *method))(UI*,UI_STRING*) | |
| 732 { | |
| 733 if (method) | |
| 734 return method->ui_read_string; | |
| 735 else | |
| 736 return NULL; | |
| 737 } | |
| 738 | |
| 739 int (*UI_method_get_closer(UI_METHOD *method))(UI*) | |
| 740 { | |
| 741 if (method) | |
| 742 return method->ui_close_session; | |
| 743 else | |
| 744 return NULL; | |
| 745 } | |
| 746 | |
| 747 char* (*UI_method_get_prompt_constructor(UI_METHOD *method))(UI*, const char*, c
onst char*) | |
| 748 { | |
| 749 if (method) | |
| 750 return method->ui_construct_prompt; | |
| 751 else | |
| 752 return NULL; | |
| 753 } | |
| 754 | |
| 755 enum UI_string_types UI_get_string_type(UI_STRING *uis) | |
| 756 { | |
| 757 if (!uis) | |
| 758 return UIT_NONE; | |
| 759 return uis->type; | |
| 760 } | |
| 761 | |
| 762 int UI_get_input_flags(UI_STRING *uis) | |
| 763 { | |
| 764 if (!uis) | |
| 765 return 0; | |
| 766 return uis->input_flags; | |
| 767 } | |
| 768 | |
| 769 const char *UI_get0_output_string(UI_STRING *uis) | |
| 770 { | |
| 771 if (!uis) | |
| 772 return NULL; | |
| 773 return uis->out_string; | |
| 774 } | |
| 775 | |
| 776 const char *UI_get0_action_string(UI_STRING *uis) | |
| 777 { | |
| 778 if (!uis) | |
| 779 return NULL; | |
| 780 switch(uis->type) | |
| 781 { | |
| 782 case UIT_PROMPT: | |
| 783 case UIT_BOOLEAN: | |
| 784 return uis->_.boolean_data.action_desc; | |
| 785 default: | |
| 786 return NULL; | |
| 787 } | |
| 788 } | |
| 789 | |
| 790 const char *UI_get0_result_string(UI_STRING *uis) | |
| 791 { | |
| 792 if (!uis) | |
| 793 return NULL; | |
| 794 switch(uis->type) | |
| 795 { | |
| 796 case UIT_PROMPT: | |
| 797 case UIT_VERIFY: | |
| 798 return uis->result_buf; | |
| 799 default: | |
| 800 return NULL; | |
| 801 } | |
| 802 } | |
| 803 | |
| 804 const char *UI_get0_test_string(UI_STRING *uis) | |
| 805 { | |
| 806 if (!uis) | |
| 807 return NULL; | |
| 808 switch(uis->type) | |
| 809 { | |
| 810 case UIT_VERIFY: | |
| 811 return uis->_.string_data.test_buf; | |
| 812 default: | |
| 813 return NULL; | |
| 814 } | |
| 815 } | |
| 816 | |
| 817 int UI_get_result_minsize(UI_STRING *uis) | |
| 818 { | |
| 819 if (!uis) | |
| 820 return -1; | |
| 821 switch(uis->type) | |
| 822 { | |
| 823 case UIT_PROMPT: | |
| 824 case UIT_VERIFY: | |
| 825 return uis->_.string_data.result_minsize; | |
| 826 default: | |
| 827 return -1; | |
| 828 } | |
| 829 } | |
| 830 | |
| 831 int UI_get_result_maxsize(UI_STRING *uis) | |
| 832 { | |
| 833 if (!uis) | |
| 834 return -1; | |
| 835 switch(uis->type) | |
| 836 { | |
| 837 case UIT_PROMPT: | |
| 838 case UIT_VERIFY: | |
| 839 return uis->_.string_data.result_maxsize; | |
| 840 default: | |
| 841 return -1; | |
| 842 } | |
| 843 } | |
| 844 | |
| 845 int UI_set_result(UI *ui, UI_STRING *uis, const char *result) | |
| 846 { | |
| 847 int l = strlen(result); | |
| 848 | |
| 849 ui->flags &= ~UI_FLAG_REDOABLE; | |
| 850 | |
| 851 if (!uis) | |
| 852 return -1; | |
| 853 switch (uis->type) | |
| 854 { | |
| 855 case UIT_PROMPT: | |
| 856 case UIT_VERIFY: | |
| 857 { | |
| 858 char number1[DECIMAL_SIZE(uis->_.string_data.result_minsize)+1]; | |
| 859 char number2[DECIMAL_SIZE(uis->_.string_data.result_maxsize)+1]; | |
| 860 | |
| 861 BIO_snprintf(number1, sizeof(number1), "%d", | |
| 862 uis->_.string_data.result_minsize); | |
| 863 BIO_snprintf(number2, sizeof(number2), "%d", | |
| 864 uis->_.string_data.result_maxsize); | |
| 865 | |
| 866 if (l < uis->_.string_data.result_minsize) | |
| 867 { | |
| 868 ui->flags |= UI_FLAG_REDOABLE; | |
| 869 UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_SMALL); | |
| 870 ERR_add_error_data(5,"You must type in ", | |
| 871 number1," to ",number2," characters"); | |
| 872 return -1; | |
| 873 } | |
| 874 if (l > uis->_.string_data.result_maxsize) | |
| 875 { | |
| 876 ui->flags |= UI_FLAG_REDOABLE; | |
| 877 UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_LARGE); | |
| 878 ERR_add_error_data(5,"You must type in ", | |
| 879 number1," to ",number2," characters"); | |
| 880 return -1; | |
| 881 } | |
| 882 } | |
| 883 | |
| 884 if (!uis->result_buf) | |
| 885 { | |
| 886 UIerr(UI_F_UI_SET_RESULT,UI_R_NO_RESULT_BUFFER); | |
| 887 return -1; | |
| 888 } | |
| 889 | |
| 890 BUF_strlcpy(uis->result_buf, result, | |
| 891 uis->_.string_data.result_maxsize + 1); | |
| 892 break; | |
| 893 case UIT_BOOLEAN: | |
| 894 { | |
| 895 const char *p; | |
| 896 | |
| 897 if (!uis->result_buf) | |
| 898 { | |
| 899 UIerr(UI_F_UI_SET_RESULT,UI_R_NO_RESULT_BUFFER); | |
| 900 return -1; | |
| 901 } | |
| 902 | |
| 903 uis->result_buf[0] = '\0'; | |
| 904 for(p = result; *p; p++) | |
| 905 { | |
| 906 if (strchr(uis->_.boolean_data.ok_chars, *p)) | |
| 907 { | |
| 908 uis->result_buf[0] = | |
| 909 uis->_.boolean_data.ok_chars[0]; | |
| 910 break; | |
| 911 } | |
| 912 if (strchr(uis->_.boolean_data.cancel_chars, *p)) | |
| 913 { | |
| 914 uis->result_buf[0] = | |
| 915 uis->_.boolean_data.cancel_chars[0]; | |
| 916 break; | |
| 917 } | |
| 918 } | |
| 919 default: | |
| 920 break; | |
| 921 } | |
| 922 } | |
| 923 return 0; | |
| 924 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master