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Import OpenSSL-0.9.8i.
[dragonfly.git] / crypto / openssl-0.9.7d / crypto / ui / ui_lib.c
blobdbc9711a2def68fb1db965f842c311e74f183fbc
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 <openssl/e_os2.h>
61 #include <openssl/buffer.h>
62 #include <openssl/ui.h>
63 #include <openssl/err.h>
64 #include "ui_locl.h"
65 #include "cryptlib.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)())
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 memset(ui_method, 0, sizeof(*ui_method));
624 ui_method->name = BUF_strdup(name);
625 return ui_method;
626 }
627
628 /* BIG FSCKING WARNING!!!! If you use this on a statically allocated method
629 (that is, it hasn't been allocated using UI_create_method(), you deserve
630 anything Murphy can throw at you and more! You have been warned. */
631 void UI_destroy_method(UI_METHOD *ui_method)
632 {
633 OPENSSL_free(ui_method->name);
634 ui_method->name = NULL;
635 OPENSSL_free(ui_method);
636 }
637
638 int UI_method_set_opener(UI_METHOD *method, int (*opener)(UI *ui))
639 {
640 if (method)
641 {
642 method->ui_open_session = opener;
643 return 0;
644 }
645 else
646 return -1;
647 }
648
649 int UI_method_set_writer(UI_METHOD *method, int (*writer)(UI *ui, UI_STRING *uis))
650 {
651 if (method)
652 {
653 method->ui_write_string = writer;
654 return 0;
655 }
656 else
657 return -1;
658 }
659
660 int UI_method_set_flusher(UI_METHOD *method, int (*flusher)(UI *ui))
661 {
662 if (method)
663 {
664 method->ui_flush = flusher;
665 return 0;
666 }
667 else
668 return -1;
669 }
670
671 int UI_method_set_reader(UI_METHOD *method, int (*reader)(UI *ui, UI_STRING *uis))
672 {
673 if (method)
674 {
675 method->ui_read_string = reader;
676 return 0;
677 }
678 else
679 return -1;
680 }
681
682 int UI_method_set_closer(UI_METHOD *method, int (*closer)(UI *ui))
683 {
684 if (method)
685 {
686 method->ui_close_session = closer;
687 return 0;
688 }
689 else
690 return -1;
691 }
692
693 int (*UI_method_get_opener(UI_METHOD *method))(UI*)
694 {
695 if (method)
696 return method->ui_open_session;
697 else
698 return NULL;
699 }
700
701 int (*UI_method_get_writer(UI_METHOD *method))(UI*,UI_STRING*)
702 {
703 if (method)
704 return method->ui_write_string;
705 else
706 return NULL;
707 }
708
709 int (*UI_method_get_flusher(UI_METHOD *method))(UI*)
710 {
711 if (method)
712 return method->ui_flush;
713 else
714 return NULL;
715 }
716
717 int (*UI_method_get_reader(UI_METHOD *method))(UI*,UI_STRING*)
718 {
719 if (method)
720 return method->ui_read_string;
721 else
722 return NULL;
723 }
724
725 int (*UI_method_get_closer(UI_METHOD *method))(UI*)
726 {
727 if (method)
728 return method->ui_close_session;
729 else
730 return NULL;
731 }
732
733 enum UI_string_types UI_get_string_type(UI_STRING *uis)
734 {
735 if (!uis)
736 return UIT_NONE;
737 return uis->type;
738 }
739
740 int UI_get_input_flags(UI_STRING *uis)
741 {
742 if (!uis)
743 return 0;
744 return uis->input_flags;
745 }
746
747 const char *UI_get0_output_string(UI_STRING *uis)
748 {
749 if (!uis)
750 return NULL;
751 return uis->out_string;
752 }
753
754 const char *UI_get0_action_string(UI_STRING *uis)
755 {
756 if (!uis)
757 return NULL;
758 switch(uis->type)
759 {
760 case UIT_PROMPT:
761 case UIT_BOOLEAN:
762 return uis->_.boolean_data.action_desc;
763 default:
764 return NULL;
765 }
766 }
767
768 const char *UI_get0_result_string(UI_STRING *uis)
769 {
770 if (!uis)
771 return NULL;
772 switch(uis->type)
773 {
774 case UIT_PROMPT:
775 case UIT_VERIFY:
776 return uis->result_buf;
777 default:
778 return NULL;
779 }
780 }
781
782 const char *UI_get0_test_string(UI_STRING *uis)
783 {
784 if (!uis)
785 return NULL;
786 switch(uis->type)
787 {
788 case UIT_VERIFY:
789 return uis->_.string_data.test_buf;
790 default:
791 return NULL;
792 }
793 }
794
795 int UI_get_result_minsize(UI_STRING *uis)
796 {
797 if (!uis)
798 return -1;
799 switch(uis->type)
800 {
801 case UIT_PROMPT:
802 case UIT_VERIFY:
803 return uis->_.string_data.result_minsize;
804 default:
805 return -1;
806 }
807 }
808
809 int UI_get_result_maxsize(UI_STRING *uis)
810 {
811 if (!uis)
812 return -1;
813 switch(uis->type)
814 {
815 case UIT_PROMPT:
816 case UIT_VERIFY:
817 return uis->_.string_data.result_maxsize;
818 default:
819 return -1;
820 }
821 }
822
823 int UI_set_result(UI *ui, UI_STRING *uis, const char *result)
824 {
825 int l = strlen(result);
826
827 ui->flags &= ~UI_FLAG_REDOABLE;
828
829 if (!uis)
830 return -1;
831 switch (uis->type)
832 {
833 case UIT_PROMPT:
834 case UIT_VERIFY:
835 {
836 char number1[DECIMAL_SIZE(uis->_.string_data.result_minsize)+1];
837 char number2[DECIMAL_SIZE(uis->_.string_data.result_maxsize)+1];
838
839 BIO_snprintf(number1, sizeof(number1), "%d",
840 uis->_.string_data.result_minsize);
841 BIO_snprintf(number2, sizeof(number2), "%d",
842 uis->_.string_data.result_maxsize);
843
844 if (l < uis->_.string_data.result_minsize)
845 {
846 ui->flags |= UI_FLAG_REDOABLE;
847 UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_SMALL);
848 ERR_add_error_data(5,"You must type in ",
849 number1," to ",number2," characters");
850 return -1;
851 }
852 if (l > uis->_.string_data.result_maxsize)
853 {
854 ui->flags |= UI_FLAG_REDOABLE;
855 UIerr(UI_F_UI_SET_RESULT,UI_R_RESULT_TOO_LARGE);
856 ERR_add_error_data(5,"You must type in ",
857 number1," to ",number2," characters");
858 return -1;
859 }
860 }
861
862 if (!uis->result_buf)
863 {
864 UIerr(UI_F_UI_SET_RESULT,UI_R_NO_RESULT_BUFFER);
865 return -1;
866 }
867
868 BUF_strlcpy(uis->result_buf, result,
869 uis->_.string_data.result_maxsize + 1);
870 break;
871 case UIT_BOOLEAN:
872 {
873 const char *p;
874
875 if (!uis->result_buf)
876 {
877 UIerr(UI_F_UI_SET_RESULT,UI_R_NO_RESULT_BUFFER);
878 return -1;
879 }
880
881 uis->result_buf[0] = '\0';
882 for(p = result; *p; p++)
883 {
884 if (strchr(uis->_.boolean_data.ok_chars, *p))
885 {
886 uis->result_buf[0] =
887 uis->_.boolean_data.ok_chars[0];
888 break;
889 }
890 if (strchr(uis->_.boolean_data.cancel_chars, *p))
891 {
892 uis->result_buf[0] =
893 uis->_.boolean_data.cancel_chars[0];
894 break;
895 }
896 }
897 default:
898 break;
899 }
900 }
901 return 0;
902 }
DragonFly BSD