diff options
Diffstat (limited to '')
| -rw-r--r-- | src/lib/libcrypto/ui/ui_lib.c | 904 |
1 files changed, 904 insertions, 0 deletions
diff --git a/src/lib/libcrypto/ui/ui_lib.c b/src/lib/libcrypto/ui/ui_lib.c new file mode 100644 index 0000000000..7ab249c3be --- /dev/null +++ b/src/lib/libcrypto/ui/ui_lib.c | |||
| @@ -0,0 +1,904 @@ | |||
| 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 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data); | ||
| 94 | return ret; | ||
| 95 | } | ||
| 96 | |||
| 97 | static void free_string(UI_STRING *uis) | ||
| 98 | { | ||
| 99 | if (uis->flags & OUT_STRING_FREEABLE) | ||
| 100 | { | ||
| 101 | OPENSSL_free((char *)uis->out_string); | ||
| 102 | switch(uis->type) | ||
| 103 | { | ||
| 104 | case UIT_BOOLEAN: | ||
| 105 | OPENSSL_free((char *)uis->_.boolean_data.action_desc); | ||
| 106 | OPENSSL_free((char *)uis->_.boolean_data.ok_chars); | ||
| 107 | OPENSSL_free((char *)uis->_.boolean_data.cancel_chars); | ||
| 108 | break; | ||
| 109 | default: | ||
| 110 | break; | ||
| 111 | } | ||
| 112 | } | ||
| 113 | OPENSSL_free(uis); | ||
| 114 | } | ||
| 115 | |||
| 116 | void UI_free(UI *ui) | ||
| 117 | { | ||
| 118 | if (ui == NULL) | ||
| 119 | return; | ||
| 120 | sk_UI_STRING_pop_free(ui->strings,free_string); | ||
| 121 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data); | ||
| 122 | OPENSSL_free(ui); | ||
| 123 | } | ||
| 124 | |||
| 125 | static int allocate_string_stack(UI *ui) | ||
| 126 | { | ||
| 127 | if (ui->strings == NULL) | ||
| 128 | { | ||
| 129 | ui->strings=sk_UI_STRING_new_null(); | ||
| 130 | if (ui->strings == NULL) | ||
| 131 | { | ||
| 132 | return -1; | ||
| 133 | } | ||
| 134 | } | ||
| 135 | return 0; | ||
| 136 | } | ||
| 137 | |||
| 138 | static UI_STRING *general_allocate_prompt(UI *ui, const char *prompt, | ||
| 139 | int prompt_freeable, enum UI_string_types type, int input_flags, | ||
| 140 | char *result_buf) | ||
| 141 | { | ||
| 142 | UI_STRING *ret = NULL; | ||
| 143 | |||
| 144 | if (prompt == NULL) | ||
| 145 | { | ||
| 146 | UIerr(UI_F_GENERAL_ALLOCATE_PROMPT,ERR_R_PASSED_NULL_PARAMETER); | ||
| 147 | } | ||
| 148 | else if ((type == UIT_PROMPT || type == UIT_VERIFY | ||
| 149 | || type == UIT_BOOLEAN) && result_buf == NULL) | ||
| 150 | { | ||
| 151 | UIerr(UI_F_GENERAL_ALLOCATE_PROMPT,UI_R_NO_RESULT_BUFFER); | ||
| 152 | } | ||
| 153 | else if ((ret = (UI_STRING *)OPENSSL_malloc(sizeof(UI_STRING)))) | ||
| 154 | { | ||
| 155 | ret->out_string=prompt; | ||
| 156 | ret->flags=prompt_freeable ? OUT_STRING_FREEABLE : 0; | ||
| 157 | ret->input_flags=input_flags; | ||
| 158 | ret->type=type; | ||
| 159 | ret->result_buf=result_buf; | ||
| 160 | } | ||
| 161 | return ret; | ||
| 162 | } | ||
| 163 | |||
| 164 | static int general_allocate_string(UI *ui, const char *prompt, | ||
| 165 | int prompt_freeable, enum UI_string_types type, int input_flags, | ||
| 166 | char *result_buf, int minsize, int maxsize, const char *test_buf) | ||
| 167 | { | ||
| 168 | int ret = -1; | ||
| 169 | UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable, | ||
| 170 | type, input_flags, result_buf); | ||
| 171 | |||
| 172 | if (s) | ||
| 173 | { | ||
| 174 | if (allocate_string_stack(ui) >= 0) | ||
| 175 | { | ||
| 176 | s->_.string_data.result_minsize=minsize; | ||
| 177 | s->_.string_data.result_maxsize=maxsize; | ||
| 178 | s->_.string_data.test_buf=test_buf; | ||
| 179 | ret=sk_UI_STRING_push(ui->strings, s); | ||
| 180 | /* sk_push() returns 0 on error. Let's addapt that */ | ||
| 181 | if (ret <= 0) ret--; | ||
| 182 | } | ||
| 183 | else | ||
| 184 | free_string(s); | ||
| 185 | } | ||
| 186 | return ret; | ||
| 187 | } | ||
| 188 | |||
| 189 | static int general_allocate_boolean(UI *ui, | ||
| 190 | const char *prompt, const char *action_desc, | ||
| 191 | const char *ok_chars, const char *cancel_chars, | ||
| 192 | int prompt_freeable, enum UI_string_types type, int input_flags, | ||
| 193 | char *result_buf) | ||
| 194 | { | ||
| 195 | int ret = -1; | ||
| 196 | UI_STRING *s; | ||
| 197 | const char *p; | ||
| 198 | |||
| 199 | if (ok_chars == NULL) | ||
| 200 | { | ||
| 201 | UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,ERR_R_PASSED_NULL_PARAMETER); | ||
| 202 | } | ||
| 203 | else if (cancel_chars == NULL) | ||
| 204 | { | ||
| 205 | UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN,ERR_R_PASSED_NULL_PARAMETER); | ||
| 206 | } | ||
| 207 | else | ||
| 208 | { | ||
| 209 | for(p = ok_chars; *p; p++) | ||
| 210 | { | ||
| 211 | if (strchr(cancel_chars, *p)) | ||
| 212 | { | ||
| 213 | UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, | ||
| 214 | UI_R_COMMON_OK_AND_CANCEL_CHARACTERS); | ||
| 215 | } | ||
| 216 | } | ||
| 217 | |||
| 218 | s = general_allocate_prompt(ui, prompt, prompt_freeable, | ||
| 219 | type, input_flags, result_buf); | ||
| 220 | |||
| 221 | if (s) | ||
| 222 | { | ||
| 223 | if (allocate_string_stack(ui) >= 0) | ||
| 224 | { | ||
| 225 | s->_.boolean_data.action_desc = action_desc; | ||
| 226 | s->_.boolean_data.ok_chars = ok_chars; | ||
| 227 | s->_.boolean_data.cancel_chars = cancel_chars; | ||
| 228 | ret=sk_UI_STRING_push(ui->strings, s); | ||
| 229 | /* sk_push() returns 0 on error. | ||
| 230 | Let's addapt that */ | ||
| 231 | if (ret <= 0) ret--; | ||
| 232 | } | ||
| 233 | else | ||
| 234 | free_string(s); | ||
| 235 | } | ||
| 236 | } | ||
| 237 | return ret; | ||
| 238 | } | ||
| 239 | |||
| 240 | /* Returns the index to the place in the stack or -1 for error. Uses a | ||
| 241 | direct reference to the prompt. */ | ||
| 242 | int UI_add_input_string(UI *ui, const char *prompt, int flags, | ||
| 243 | char *result_buf, int minsize, int maxsize) | ||
| 244 | { | ||
| 245 | return general_allocate_string(ui, prompt, 0, | ||
| 246 | UIT_PROMPT, flags, result_buf, minsize, maxsize, NULL); | ||
| 247 | } | ||
| 248 | |||
| 249 | /* Same as UI_add_input_string(), excepts it takes a copy of the prompt */ | ||
| 250 | int UI_dup_input_string(UI *ui, const char *prompt, int flags, | ||
| 251 | char *result_buf, int minsize, int maxsize) | ||
| 252 | { | ||
| 253 | char *prompt_copy=NULL; | ||
| 254 | |||
| 255 | if (prompt) | ||
| 256 | { | ||
| 257 | prompt_copy=BUF_strdup(prompt); | ||
| 258 | if (prompt_copy == NULL) | ||
| 259 | { | ||
| 260 | UIerr(UI_F_UI_DUP_INPUT_STRING,ERR_R_MALLOC_FAILURE); | ||
| 261 | return 0; | ||
| 262 | } | ||
| 263 | } | ||
| 264 | |||
| 265 | return general_allocate_string(ui, prompt_copy, 1, | ||
| 266 | UIT_PROMPT, flags, result_buf, minsize, maxsize, NULL); | ||
| 267 | } | ||
| 268 | |||
| 269 | int UI_add_verify_string(UI *ui, const char *prompt, int flags, | ||
| 270 | char *result_buf, int minsize, int maxsize, const char *test_buf) | ||
| 271 | { | ||
| 272 | return general_allocate_string(ui, prompt, 0, | ||
| 273 | UIT_VERIFY, flags, result_buf, minsize, maxsize, test_buf); | ||
| 274 | } | ||
| 275 | |||
| 276 | int UI_dup_verify_string(UI *ui, const char *prompt, int flags, | ||
| 277 | char *result_buf, int minsize, int maxsize, const char *test_buf) | ||
| 278 | { | ||
| 279 | char *prompt_copy=NULL; | ||
| 280 | |||
| 281 | if (prompt) | ||
| 282 | { | ||
| 283 | prompt_copy=BUF_strdup(prompt); | ||
| 284 | if (prompt_copy == NULL) | ||
| 285 | { | ||
| 286 | UIerr(UI_F_UI_DUP_VERIFY_STRING,ERR_R_MALLOC_FAILURE); | ||
| 287 | return -1; | ||
| 288 | } | ||
| 289 | } | ||
| 290 | |||
| 291 | return general_allocate_string(ui, prompt_copy, 1, | ||
| 292 | UIT_VERIFY, flags, result_buf, minsize, maxsize, test_buf); | ||
| 293 | } | ||
| 294 | |||
| 295 | int UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc, | ||
| 296 | const char *ok_chars, const char *cancel_chars, | ||
| 297 | int flags, char *result_buf) | ||
| 298 | { | ||
| 299 | return general_allocate_boolean(ui, prompt, action_desc, | ||
| 300 | ok_chars, cancel_chars, 0, UIT_BOOLEAN, flags, result_buf); | ||
| 301 | } | ||
| 302 | |||
| 303 | int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc, | ||
| 304 | const char *ok_chars, const char *cancel_chars, | ||
| 305 | int flags, char *result_buf) | ||
| 306 | { | ||
| 307 | char *prompt_copy = NULL; | ||
| 308 | char *action_desc_copy = NULL; | ||
| 309 | char *ok_chars_copy = NULL; | ||
| 310 | char *cancel_chars_copy = NULL; | ||
| 311 | |||
| 312 | if (prompt) | ||
| 313 | { | ||
| 314 | prompt_copy=BUF_strdup(prompt); | ||
| 315 | if (prompt_copy == NULL) | ||
| 316 | { | ||
| 317 | UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE); | ||
| 318 | goto err; | ||
| 319 | } | ||
| 320 | } | ||
| 321 | |||
| 322 | if (action_desc) | ||
| 323 | { | ||
| 324 | action_desc_copy=BUF_strdup(action_desc); | ||
| 325 | if (action_desc_copy == NULL) | ||
| 326 | { | ||
| 327 | UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE); | ||
| 328 | goto err; | ||
| 329 | } | ||
| 330 | } | ||
| 331 | |||
| 332 | if (ok_chars) | ||
| 333 | { | ||
| 334 | ok_chars_copy=BUF_strdup(ok_chars); | ||
| 335 | if (ok_chars_copy == NULL) | ||
| 336 | { | ||
| 337 | UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE); | ||
| 338 | goto err; | ||
| 339 | } | ||
| 340 | } | ||
| 341 | |||
| 342 | if (cancel_chars) | ||
| 343 | { | ||
| 344 | cancel_chars_copy=BUF_strdup(cancel_chars); | ||
| 345 | if (cancel_chars_copy == NULL) | ||
| 346 | { | ||
| 347 | UIerr(UI_F_UI_DUP_INPUT_BOOLEAN,ERR_R_MALLOC_FAILURE); | ||
| 348 | goto err; | ||
| 349 | } | ||
| 350 | } | ||
| 351 | |||
| 352 | return general_allocate_boolean(ui, prompt_copy, action_desc_copy, | ||
| 353 | ok_chars_copy, cancel_chars_copy, 1, UIT_BOOLEAN, flags, | ||
| 354 | result_buf); | ||
| 355 | err: | ||
| 356 | if (prompt_copy) OPENSSL_free(prompt_copy); | ||
| 357 | if (action_desc_copy) OPENSSL_free(action_desc_copy); | ||
| 358 | if (ok_chars_copy) OPENSSL_free(ok_chars_copy); | ||
| 359 | if (cancel_chars_copy) OPENSSL_free(cancel_chars_copy); | ||
| 360 | return -1; | ||
| 361 | } | ||
| 362 | |||
| 363 | int UI_add_info_string(UI *ui, const char *text) | ||
| 364 | { | ||
| 365 | return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0, | ||
| 366 | NULL); | ||
| 367 | } | ||
| 368 | |||
| 369 | int UI_dup_info_string(UI *ui, const char *text) | ||
| 370 | { | ||
| 371 | char *text_copy=NULL; | ||
| 372 | |||
| 373 | if (text) | ||
| 374 | { | ||
| 375 | text_copy=BUF_strdup(text); | ||
| 376 | if (text_copy == NULL) | ||
| 377 | { | ||
| 378 | UIerr(UI_F_UI_DUP_INFO_STRING,ERR_R_MALLOC_FAILURE); | ||
| 379 | return -1; | ||
| 380 | } | ||
| 381 | } | ||
| 382 | |||
| 383 | return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL, | ||
| 384 | 0, 0, NULL); | ||
| 385 | } | ||
| 386 | |||
| 387 | int UI_add_error_string(UI *ui, const char *text) | ||
| 388 | { | ||
| 389 | return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0, | ||
| 390 | NULL); | ||
| 391 | } | ||
| 392 | |||
| 393 | int UI_dup_error_string(UI *ui, const char *text) | ||
| 394 | { | ||
| 395 | char *text_copy=NULL; | ||
| 396 | |||
| 397 | if (text) | ||
| 398 | { | ||
| 399 | text_copy=BUF_strdup(text); | ||
| 400 | if (text_copy == NULL) | ||
| 401 | { | ||
| 402 | UIerr(UI_F_UI_DUP_ERROR_STRING,ERR_R_MALLOC_FAILURE); | ||
| 403 | return -1; | ||
| 404 | } | ||
| 405 | } | ||
| 406 | return general_allocate_string(ui, text_copy, 1, UIT_ERROR, 0, NULL, | ||
| 407 | 0, 0, NULL); | ||
| 408 | } | ||
| 409 | |||
| 410 | char *UI_construct_prompt(UI *ui, const char *object_desc, | ||
| 411 | const char *object_name) | ||
| 412 | { | ||
| 413 | char *prompt = NULL; | ||
| 414 | |||
| 415 | if (ui->meth->ui_construct_prompt) | ||
| 416 | prompt = ui->meth->ui_construct_prompt(ui, | ||
| 417 | object_desc, object_name); | ||
| 418 | else | ||
| 419 | { | ||
| 420 | char prompt1[] = "Enter "; | ||
| 421 | char prompt2[] = " for "; | ||
| 422 | char prompt3[] = ":"; | ||
| 423 | int len = 0; | ||
| 424 | |||
| 425 | if (object_desc == NULL) | ||
| 426 | return NULL; | ||
| 427 | len = sizeof(prompt1) - 1 + strlen(object_desc); | ||
| 428 | if (object_name) | ||
| 429 | len += sizeof(prompt2) - 1 + strlen(object_name); | ||
| 430 | len += sizeof(prompt3) - 1; | ||
| 431 | |||
| 432 | prompt = (char *)OPENSSL_malloc(len + 1); | ||
| 433 | BUF_strlcpy(prompt, prompt1, len + 1); | ||
| 434 | BUF_strlcat(prompt, object_desc, len + 1); | ||
| 435 | if (object_name) | ||
| 436 | { | ||
| 437 | BUF_strlcat(prompt, prompt2, len + 1); | ||
| 438 | BUF_strlcat(prompt, object_name, len + 1); | ||
| 439 | } | ||
| 440 | BUF_strlcat(prompt, prompt3, len + 1); | ||
| 441 | } | ||
| 442 | return prompt; | ||
| 443 | } | ||
| 444 | |||
| 445 | void *UI_add_user_data(UI *ui, void *user_data) | ||
| 446 | { | ||
| 447 | void *old_data = ui->user_data; | ||
| 448 | ui->user_data = user_data; | ||
| 449 | return old_data; | ||
| 450 | } | ||
| 451 | |||
| 452 | void *UI_get0_user_data(UI *ui) | ||
| 453 | { | ||
| 454 | return ui->user_data; | ||
| 455 | } | ||
| 456 | |||
| 457 | const char *UI_get0_result(UI *ui, int i) | ||
| 458 | { | ||
| 459 | if (i < 0) | ||
| 460 | { | ||
| 461 | UIerr(UI_F_UI_GET0_RESULT,UI_R_INDEX_TOO_SMALL); | ||
| 462 | return NULL; | ||
| 463 | } | ||
| 464 | if (i >= sk_UI_STRING_num(ui->strings)) | ||
| 465 | { | ||
| 466 | UIerr(UI_F_UI_GET0_RESULT,UI_R_INDEX_TOO_LARGE); | ||
| 467 | return NULL; | ||
| 468 | } | ||
| 469 | return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i)); | ||
| 470 | } | ||
| 471 | |||
| 472 | static int print_error(const char *str, size_t len, UI *ui) | ||
| 473 | { | ||
| 474 | UI_STRING uis; | ||
| 475 | |||
| 476 | memset(&uis, 0, sizeof(uis)); | ||
| 477 | uis.type = UIT_ERROR; | ||
| 478 | uis.out_string = str; | ||
| 479 | |||
| 480 | if (ui->meth->ui_write_string | ||
| 481 | && !ui->meth->ui_write_string(ui, &uis)) | ||
| 482 | return -1; | ||
| 483 | return 0; | ||
| 484 | } | ||
| 485 | |||
| 486 | int UI_process(UI *ui) | ||
| 487 | { | ||
| 488 | int i, ok=0; | ||
| 489 | |||
| 490 | if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui)) | ||
| 491 | return -1; | ||
| 492 | |||
| 493 | if (ui->flags & UI_FLAG_PRINT_ERRORS) | ||
| 494 | ERR_print_errors_cb( | ||
| 495 | (int (*)(const char *, size_t, void *))print_error, | ||
| 496 | (void *)ui); | ||
| 497 | |||
| 498 | for(i=0; i<sk_UI_STRING_num(ui->strings); i++) | ||
| 499 | { | ||
| 500 | if (ui->meth->ui_write_string | ||
| 501 | && !ui->meth->ui_write_string(ui, | ||
| 502 | sk_UI_STRING_value(ui->strings, i))) | ||
| 503 | { | ||
| 504 | ok=-1; | ||
| 505 | goto err; | ||
| 506 | } | ||
| 507 | } | ||
| 508 | |||
| 509 | if (ui->meth->ui_flush) | ||
| 510 | switch(ui->meth->ui_flush(ui)) | ||
| 511 | { | ||
| 512 | case -1: /* Interrupt/Cancel/something... */ | ||
| 513 | ok = -2; | ||
| 514 | goto err; | ||
| 515 | case 0: /* Errors */ | ||
| 516 | ok = -1; | ||
| 517 | goto err; | ||
| 518 | default: /* Success */ | ||
| 519 | ok = 0; | ||
| 520 | break; | ||
| 521 | } | ||
| 522 | |||
| 523 | for(i=0; i<sk_UI_STRING_num(ui->strings); i++) | ||
| 524 | { | ||
| 525 | if (ui->meth->ui_read_string) | ||
| 526 | { | ||
| 527 | switch(ui->meth->ui_read_string(ui, | ||
| 528 | sk_UI_STRING_value(ui->strings, i))) | ||
| 529 | { | ||
| 530 | case -1: /* Interrupt/Cancel/something... */ | ||
| 531 | ok = -2; | ||
| 532 | goto err; | ||
| 533 | case 0: /* Errors */ | ||
| 534 | ok = -1; | ||
| 535 | goto err; | ||
| 536 | default: /* Success */ | ||
| 537 | ok = 0; | ||
| 538 | break; | ||
| 539 | } | ||
| 540 | } | ||
| 541 | } | ||
| 542 | err: | ||
| 543 | if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui)) | ||
| 544 | return -1; | ||
| 545 | return ok; | ||
| 546 | } | ||
| 547 | |||
| 548 | int UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f)(void)) | ||
| 549 | { | ||
| 550 | if (ui == NULL) | ||
| 551 | { | ||
| 552 | UIerr(UI_F_UI_CTRL,ERR_R_PASSED_NULL_PARAMETER); | ||
| 553 | return -1; | ||
| 554 | } | ||
| 555 | switch(cmd) | ||
| 556 | { | ||
| 557 | case UI_CTRL_PRINT_ERRORS: | ||
| 558 | { | ||
| 559 | int save_flag = !!(ui->flags & UI_FLAG_PRINT_ERRORS); | ||
| 560 | if (i) | ||
| 561 | ui->flags |= UI_FLAG_PRINT_ERRORS; | ||
| 562 | else | ||
| 563 | ui->flags &= ~UI_FLAG_PRINT_ERRORS; | ||
| 564 | return save_flag; | ||
| 565 | } | ||
| 566 | case UI_CTRL_IS_REDOABLE: | ||
| 567 | return !!(ui->flags & UI_FLAG_REDOABLE); | ||
| 568 | default: | ||
| 569 | break; | ||
| 570 | } | ||
| 571 | UIerr(UI_F_UI_CTRL,UI_R_UNKNOWN_CONTROL_COMMAND); | ||
| 572 | return -1; | ||
| 573 | } | ||
| 574 | |||
| 575 | int UI_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | ||
| 576 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | ||
| 577 | { | ||
| 578 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_UI, argl, argp, | ||
| 579 | new_func, dup_func, free_func); | ||
| 580 | } | ||
| 581 | |||
| 582 | int UI_set_ex_data(UI *r, int idx, void *arg) | ||
| 583 | { | ||
| 584 | return(CRYPTO_set_ex_data(&r->ex_data,idx,arg)); | ||
| 585 | } | ||
| 586 | |||
| 587 | void *UI_get_ex_data(UI *r, int idx) | ||
| 588 | { | ||
| 589 | return(CRYPTO_get_ex_data(&r->ex_data,idx)); | ||
| 590 | } | ||
| 591 | |||
| 592 | void UI_set_default_method(const UI_METHOD *meth) | ||
| 593 | { | ||
| 594 | default_UI_meth=meth; | ||
| 595 | } | ||
| 596 | |||
| 597 | const UI_METHOD *UI_get_default_method(void) | ||
| 598 | { | ||
| 599 | if (default_UI_meth == NULL) | ||
| 600 | { | ||
| 601 | default_UI_meth=UI_OpenSSL(); | ||
| 602 | } | ||
| 603 | return default_UI_meth; | ||
| 604 | } | ||
| 605 | |||
| 606 | const UI_METHOD *UI_get_method(UI *ui) | ||
| 607 | { | ||
| 608 | return ui->meth; | ||
| 609 | } | ||
| 610 | |||
| 611 | const UI_METHOD *UI_set_method(UI *ui, const UI_METHOD *meth) | ||
| 612 | { | ||
| 613 | ui->meth=meth; | ||
| 614 | return ui->meth; | ||
| 615 | } | ||
| 616 | |||
| 617 | |||
| 618 | UI_METHOD *UI_create_method(char *name) | ||
| 619 | { | ||
| 620 | UI_METHOD *ui_method = (UI_METHOD *)OPENSSL_malloc(sizeof(UI_METHOD)); | ||
| 621 | |||
| 622 | if (ui_method) | ||
| 623 | { | ||
| 624 | memset(ui_method, 0, sizeof(*ui_method)); | ||
| 625 | ui_method->name = BUF_strdup(name); | ||
| 626 | } | ||
| 627 | return ui_method; | ||
| 628 | } | ||
| 629 | |||
| 630 | /* BIG FSCKING WARNING!!!! If you use this on a statically allocated method | ||
| 631 | (that is, it hasn't been allocated using UI_create_method(), you deserve | ||
| 632 | anything Murphy can throw at you and more! You have been warned. */ | ||
| 633 | void UI_destroy_method(UI_METHOD *ui_method) | ||
| 634 | { | ||
| 635 | OPENSSL_free(ui_method->name); | ||
| 636 | ui_method->name = NULL; | ||
| 637 | OPENSSL_free(ui_method); | ||
| 638 | } | ||
| 639 | |||
| 640 | int UI_method_set_opener(UI_METHOD *method, int (*opener)(UI *ui)) | ||
| 641 | { | ||
| 642 | if (method) | ||
| 643 | { | ||
| 644 | method->ui_open_session = opener; | ||
| 645 | return 0; | ||
| 646 | } | ||
| 647 | else | ||
| 648 | return -1; | ||
| 649 | } | ||
| 650 | |||
| 651 | int UI_method_set_writer(UI_METHOD *method, int (*writer)(UI *ui, UI_STRING *uis)) | ||
| 652 | { | ||
| 653 | if (method) | ||
| 654 | { | ||
| 655 | method->ui_write_string = writer; | ||
| 656 | return 0; | ||
| 657 | } | ||
| 658 | else | ||
| 659 | return -1; | ||
| 660 | } | ||
| 661 | |||
| 662 | int UI_method_set_flusher(UI_METHOD *method, int (*flusher)(UI *ui)) | ||
| 663 | { | ||
| 664 | if (method) | ||
| 665 | { | ||
| 666 | method->ui_flush = flusher; | ||
| 667 | return 0; | ||
| 668 | } | ||
| 669 | else | ||
| 670 | return -1; | ||
| 671 | } | ||
| 672 | |||
| 673 | int UI_method_set_reader(UI_METHOD *method, int (*reader)(UI *ui, UI_STRING *uis)) | ||
| 674 | { | ||
| 675 | if (method) | ||
| 676 | { | ||
| 677 | method->ui_read_string = reader; | ||
| 678 | return 0; | ||
| 679 | } | ||
| 680 | else | ||
| 681 | return -1; | ||
| 682 | } | ||
| 683 | |||
| 684 | int UI_method_set_closer(UI_METHOD *method, int (*closer)(UI *ui)) | ||
| 685 | { | ||
| 686 | if (method) | ||
| 687 | { | ||
| 688 | method->ui_close_session = closer; | ||
| 689 | return 0; | ||
| 690 | } | ||
| 691 | else | ||
| 692 | return -1; | ||
| 693 | } | ||
| 694 | |||
| 695 | int (*UI_method_get_opener(UI_METHOD *method))(UI*) | ||
| 696 | { | ||
| 697 | if (method) | ||
| 698 | return method->ui_open_session; | ||
| 699 | else | ||
| 700 | return NULL; | ||
| 701 | } | ||
| 702 | |||
| 703 | int (*UI_method_get_writer(UI_METHOD *method))(UI*,UI_STRING*) | ||
| 704 | { | ||
| 705 | if (method) | ||
| 706 | return method->ui_write_string; | ||
| 707 | else | ||
| 708 | return NULL; | ||
| 709 | } | ||
| 710 | |||
| 711 | int (*UI_method_get_flusher(UI_METHOD *method))(UI*) | ||
| 712 | { | ||
| 713 | if (method) | ||
| 714 | return method->ui_flush; | ||
| 715 | else | ||
| 716 | return NULL; | ||
| 717 | } | ||
| 718 | |||
| 719 | int (*UI_method_get_reader(UI_METHOD *method))(UI*,UI_STRING*) | ||
| 720 | { | ||
| 721 | if (method) | ||
| 722 | return method->ui_read_string; | ||
| 723 | else | ||
| 724 | return NULL; | ||
| 725 | } | ||
| 726 | |||
| 727 | int (*UI_method_get_closer(UI_METHOD *method))(UI*) | ||
| 728 | { | ||
| 729 | if (method) | ||
| 730 | return method->ui_close_session; | ||
| 731 | else | ||
| 732 | return NULL; | ||
| 733 | } | ||
| 734 | |||
| 735 | enum UI_string_types UI_get_string_type(UI_STRING *uis) | ||
| 736 | { | ||
| 737 | if (!uis) | ||
| 738 | return UIT_NONE; | ||
| 739 | return uis->type; | ||
| 740 | } | ||
| 741 | |||
| 742 | int UI_get_input_flags(UI_STRING *uis) | ||
| 743 | { | ||
| 744 | if (!uis) | ||
| 745 | return 0; | ||
| 746 | return uis->input_flags; | ||
| 747 | } | ||
| 748 | |||
| 749 | const char *UI_get0_output_string(UI_STRING *uis) | ||
| 750 | { | ||
| 751 | if (!uis) | ||
| 752 | return NULL; | ||
| 753 | return uis->out_string; | ||
| 754 | } | ||
| 755 | |||
| 756 | const char *UI_get0_action_string(UI_STRING *uis) | ||
| 757 | { | ||
| 758 | if (!uis) | ||
| 759 | return NULL; | ||
| 760 | switch(uis->type) | ||
| 761 | { | ||
| 762 | case UIT_PROMPT: | ||
| 763 | case UIT_BOOLEAN: | ||
| 764 | return uis->_.boolean_data.action_desc; | ||
| 765 | default: | ||
| 766 | return NULL; | ||
| 767 | } | ||
| 768 | } | ||
| 769 | |||
| 770 | const char *UI_get0_result_string(UI_STRING *uis) | ||
| 771 | { | ||
| 772 | if (!uis) | ||
| 773 | return NULL; | ||
| 774 | switch(uis->type) | ||
| 775 | { | ||
| 776 | case UIT_PROMPT: | ||
| 777 | case UIT_VERIFY: | ||
| 778 | return uis->result_buf; | ||
| 779 | default: | ||
| 780 | return NULL; | ||
| 781 | } | ||
| 782 | } | ||
| 783 | |||
| 784 | const char *UI_get0_test_string(UI_STRING *uis) | ||
| 785 | { | ||
| 786 | if (!uis) | ||
| 787 | return NULL; | ||
| 788 | switch(uis->type) | ||
| 789 | { | ||
| 790 | case UIT_VERIFY: | ||
| 791 | return uis->_.string_data.test_buf; | ||
| 792 | default: | ||
| 793 | return NULL; | ||
| 794 | } | ||
| 795 | } | ||
| 796 | |||
| 797 | int UI_get_result_minsize(UI_STRING *uis) | ||
| 798 | { | ||
| 799 | if (!uis) | ||
| 800 | return -1; | ||
| 801 | switch(uis->type) | ||
| 802 | { | ||
| 803 | case UIT_PROMPT: | ||
| 804 | case UIT_VERIFY: | ||
| 805 | return uis->_.string_data.result_minsize; | ||
| 806 | default: | ||
| 807 | return -1; | ||
| 808 | } | ||
| 809 | } | ||
| 810 | |||
| 811 | int UI_get_result_maxsize(UI_STRING *uis) | ||
| 812 | { | ||
| 813 | if (!uis) | ||
| 814 | return -1; | ||
| 815 | switch(uis->type) | ||
| 816 | { | ||
| 817 | case UIT_PROMPT: | ||
| 818 | case UIT_VERIFY: | ||
| 819 | return uis->_.string_data.result_maxsize; | ||
| 820 | default: | ||
| 821 | return -1; | ||
| 822 | } | ||
| 823 | } | ||
| 824 | |||
| 825 | int UI_set_result(UI *ui, UI_STRING *uis, const char *result) | ||
| 826 | { | ||
| 827 | int l = strlen(result); | ||
| 828 | |||
| 829 | ui->flags &= ~UI_FLAG_REDOABLE; | ||
| 830 | |||
| 831 | if (!uis) | ||
| 832 | return -1; | ||
| 833 | switch (uis->type) | ||
| 834 | { | ||
| 835 | case UIT_PROMPT: | ||
| 836 | case UIT_VERIFY: | ||
| 837 | { | ||
| 838 | char number1[DECIMAL_SIZE(uis->_.string_data.result_minsize)+1]; | ||
| 839 | char number2[DECIMAL_SIZE(uis->_.string_data.result_maxsize)+1]; | ||
| 840 | |||
| 841 | BIO_snprintf(number1, sizeof(number1), "%d", | ||
| 842 | uis->_.string_data.result_minsize); | ||
| 843 | BIO_snprintf(number2, sizeof(number2), "%d", | ||
| 844 | uis->_.string_data.result_maxsize); | ||
| 845 | |||
| 846 | if (l < uis->_.string_data.result_minsize) | ||
| 847 | { | ||
| 848 | ui->flags |= UI_FLAG_REDOABLE; | ||
| 849 | UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_SMALL); | ||
| 850 | ERR_add_error_data(5,"You must type in ", | ||
| 851 | number1," to ",number2," characters"); | ||
| 852 | return -1; | ||
| 853 | } | ||
| 854 | if (l > uis->_.string_data.result_maxsize) | ||
| 855 | { | ||
| 856 | ui->flags |= UI_FLAG_REDOABLE; | ||
| 857 | UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_LARGE); | ||
| 858 | ERR_add_error_data(5,"You must type in ", | ||
| 859 | number1," to ",number2," characters"); | ||
| 860 | return -1; | ||
| 861 | } | ||
| 862 | } | ||
| 863 | |||
| 864 | if (!uis->result_buf) | ||
| 865 | { | ||
| 866 | UIerr(UI_F_UI_SET_RESULT,UI_R_NO_RESULT_BUFFER); | ||
| 867 | return -1; | ||
| 868 | } | ||
| 869 | |||
| 870 | BUF_strlcpy(uis->result_buf, result, | ||
| 871 | uis->_.string_data.result_maxsize + 1); | ||
| 872 | break; | ||
| 873 | case UIT_BOOLEAN: | ||
| 874 | { | ||
| 875 | const char *p; | ||
| 876 | |||
| 877 | if (!uis->result_buf) | ||
| 878 | { | ||
| 879 | UIerr(UI_F_UI_SET_RESULT,UI_R_NO_RESULT_BUFFER); | ||
| 880 | return -1; | ||
| 881 | } | ||
| 882 | |||
| 883 | uis->result_buf[0] = '\0'; | ||
| 884 | for(p = result; *p; p++) | ||
| 885 | { | ||
| 886 | if (strchr(uis->_.boolean_data.ok_chars, *p)) | ||
| 887 | { | ||
| 888 | uis->result_buf[0] = | ||
| 889 | uis->_.boolean_data.ok_chars[0]; | ||
| 890 | break; | ||
| 891 | } | ||
| 892 | if (strchr(uis->_.boolean_data.cancel_chars, *p)) | ||
| 893 | { | ||
| 894 | uis->result_buf[0] = | ||
| 895 | uis->_.boolean_data.cancel_chars[0]; | ||
| 896 | break; | ||
| 897 | } | ||
| 898 | } | ||
| 899 | default: | ||
| 900 | break; | ||
| 901 | } | ||
| 902 | } | ||
| 903 | return 0; | ||
| 904 | } | ||
