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870 lines
25 KiB
870 lines
25 KiB
/* crypto/ui/ui_lib.c */ |
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/* |
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* Written by Richard Levitte (richard@levitte.org) for the OpenSSL project |
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* 2001. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 2001 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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|
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#include <string.h> |
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#include "cryptlib.h" |
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#include <openssl/e_os2.h> |
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#include <openssl/buffer.h> |
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#include <openssl/ui.h> |
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#include <openssl/err.h> |
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#include "ui_locl.h" |
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|
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IMPLEMENT_STACK_OF(UI_STRING_ST) |
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static const UI_METHOD *default_UI_meth = NULL; |
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|
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UI *UI_new(void) |
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{ |
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return (UI_new_method(NULL)); |
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} |
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UI *UI_new_method(const UI_METHOD *method) |
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{ |
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UI *ret; |
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ret = (UI *)OPENSSL_malloc(sizeof(UI)); |
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if (ret == NULL) { |
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UIerr(UI_F_UI_NEW_METHOD, ERR_R_MALLOC_FAILURE); |
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return NULL; |
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} |
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if (method == NULL) |
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ret->meth = UI_get_default_method(); |
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else |
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ret->meth = method; |
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ret->strings = NULL; |
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ret->user_data = NULL; |
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ret->flags = 0; |
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CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data); |
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return ret; |
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} |
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static void free_string(UI_STRING *uis) |
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{ |
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if (uis->flags & OUT_STRING_FREEABLE) { |
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OPENSSL_free((char *)uis->out_string); |
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switch (uis->type) { |
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case UIT_BOOLEAN: |
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OPENSSL_free((char *)uis->_.boolean_data.action_desc); |
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OPENSSL_free((char *)uis->_.boolean_data.ok_chars); |
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OPENSSL_free((char *)uis->_.boolean_data.cancel_chars); |
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break; |
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default: |
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break; |
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} |
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} |
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OPENSSL_free(uis); |
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} |
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void UI_free(UI *ui) |
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{ |
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if (ui == NULL) |
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return; |
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sk_UI_STRING_pop_free(ui->strings, free_string); |
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CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data); |
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OPENSSL_free(ui); |
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} |
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static int allocate_string_stack(UI *ui) |
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{ |
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if (ui->strings == NULL) { |
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ui->strings = sk_UI_STRING_new_null(); |
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if (ui->strings == NULL) { |
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return -1; |
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} |
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} |
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return 0; |
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} |
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static UI_STRING *general_allocate_prompt(UI *ui, const char *prompt, |
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int prompt_freeable, |
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enum UI_string_types type, |
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int input_flags, char *result_buf) |
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{ |
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UI_STRING *ret = NULL; |
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if (prompt == NULL) { |
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UIerr(UI_F_GENERAL_ALLOCATE_PROMPT, ERR_R_PASSED_NULL_PARAMETER); |
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} else if ((type == UIT_PROMPT || type == UIT_VERIFY |
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|| type == UIT_BOOLEAN) && result_buf == NULL) { |
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UIerr(UI_F_GENERAL_ALLOCATE_PROMPT, UI_R_NO_RESULT_BUFFER); |
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} else if ((ret = (UI_STRING *)OPENSSL_malloc(sizeof(UI_STRING)))) { |
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ret->out_string = prompt; |
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ret->flags = prompt_freeable ? OUT_STRING_FREEABLE : 0; |
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ret->input_flags = input_flags; |
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ret->type = type; |
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ret->result_buf = result_buf; |
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} |
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return ret; |
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} |
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static int general_allocate_string(UI *ui, const char *prompt, |
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int prompt_freeable, |
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enum UI_string_types type, int input_flags, |
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char *result_buf, int minsize, int maxsize, |
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const char *test_buf) |
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{ |
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int ret = -1; |
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UI_STRING *s = general_allocate_prompt(ui, prompt, prompt_freeable, |
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type, input_flags, result_buf); |
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if (s) { |
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if (allocate_string_stack(ui) >= 0) { |
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s->_.string_data.result_minsize = minsize; |
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s->_.string_data.result_maxsize = maxsize; |
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s->_.string_data.test_buf = test_buf; |
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ret = sk_UI_STRING_push(ui->strings, s); |
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/* sk_push() returns 0 on error. Let's addapt that */ |
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if (ret <= 0) |
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ret--; |
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} else |
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free_string(s); |
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} |
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return ret; |
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} |
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static int general_allocate_boolean(UI *ui, |
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const char *prompt, |
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const char *action_desc, |
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const char *ok_chars, |
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const char *cancel_chars, |
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int prompt_freeable, |
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enum UI_string_types type, |
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int input_flags, char *result_buf) |
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{ |
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int ret = -1; |
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UI_STRING *s; |
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const char *p; |
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if (ok_chars == NULL) { |
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UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, ERR_R_PASSED_NULL_PARAMETER); |
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} else if (cancel_chars == NULL) { |
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UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, ERR_R_PASSED_NULL_PARAMETER); |
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} else { |
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for (p = ok_chars; *p; p++) { |
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if (strchr(cancel_chars, *p)) { |
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UIerr(UI_F_GENERAL_ALLOCATE_BOOLEAN, |
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UI_R_COMMON_OK_AND_CANCEL_CHARACTERS); |
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} |
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} |
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s = general_allocate_prompt(ui, prompt, prompt_freeable, |
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type, input_flags, result_buf); |
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if (s) { |
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if (allocate_string_stack(ui) >= 0) { |
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s->_.boolean_data.action_desc = action_desc; |
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s->_.boolean_data.ok_chars = ok_chars; |
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s->_.boolean_data.cancel_chars = cancel_chars; |
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ret = sk_UI_STRING_push(ui->strings, s); |
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/* |
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* sk_push() returns 0 on error. Let's addapt that |
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*/ |
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if (ret <= 0) |
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ret--; |
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} else |
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free_string(s); |
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} |
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} |
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return ret; |
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} |
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/* |
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* Returns the index to the place in the stack or -1 for error. Uses a |
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* direct reference to the prompt. |
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*/ |
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int UI_add_input_string(UI *ui, const char *prompt, int flags, |
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char *result_buf, int minsize, int maxsize) |
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{ |
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return general_allocate_string(ui, prompt, 0, |
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UIT_PROMPT, flags, result_buf, minsize, |
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maxsize, NULL); |
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} |
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/* Same as UI_add_input_string(), excepts it takes a copy of the prompt */ |
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int UI_dup_input_string(UI *ui, const char *prompt, int flags, |
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char *result_buf, int minsize, int maxsize) |
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{ |
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char *prompt_copy = NULL; |
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if (prompt) { |
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prompt_copy = BUF_strdup(prompt); |
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if (prompt_copy == NULL) { |
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UIerr(UI_F_UI_DUP_INPUT_STRING, ERR_R_MALLOC_FAILURE); |
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return 0; |
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} |
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} |
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return general_allocate_string(ui, prompt_copy, 1, |
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UIT_PROMPT, flags, result_buf, minsize, |
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maxsize, NULL); |
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} |
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int UI_add_verify_string(UI *ui, const char *prompt, int flags, |
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char *result_buf, int minsize, int maxsize, |
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const char *test_buf) |
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{ |
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return general_allocate_string(ui, prompt, 0, |
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UIT_VERIFY, flags, result_buf, minsize, |
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maxsize, test_buf); |
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} |
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int UI_dup_verify_string(UI *ui, const char *prompt, int flags, |
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char *result_buf, int minsize, int maxsize, |
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const char *test_buf) |
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{ |
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char *prompt_copy = NULL; |
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if (prompt) { |
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prompt_copy = BUF_strdup(prompt); |
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if (prompt_copy == NULL) { |
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UIerr(UI_F_UI_DUP_VERIFY_STRING, ERR_R_MALLOC_FAILURE); |
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return -1; |
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} |
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} |
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return general_allocate_string(ui, prompt_copy, 1, |
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UIT_VERIFY, flags, result_buf, minsize, |
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maxsize, test_buf); |
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} |
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int UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc, |
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const char *ok_chars, const char *cancel_chars, |
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int flags, char *result_buf) |
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{ |
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return general_allocate_boolean(ui, prompt, action_desc, |
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ok_chars, cancel_chars, 0, UIT_BOOLEAN, |
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flags, result_buf); |
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} |
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int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc, |
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const char *ok_chars, const char *cancel_chars, |
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int flags, char *result_buf) |
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{ |
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char *prompt_copy = NULL; |
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char *action_desc_copy = NULL; |
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char *ok_chars_copy = NULL; |
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char *cancel_chars_copy = NULL; |
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if (prompt) { |
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prompt_copy = BUF_strdup(prompt); |
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if (prompt_copy == NULL) { |
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UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE); |
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goto err; |
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} |
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} |
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if (action_desc) { |
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action_desc_copy = BUF_strdup(action_desc); |
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if (action_desc_copy == NULL) { |
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UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE); |
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goto err; |
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} |
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} |
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if (ok_chars) { |
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ok_chars_copy = BUF_strdup(ok_chars); |
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if (ok_chars_copy == NULL) { |
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UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE); |
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goto err; |
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} |
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} |
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if (cancel_chars) { |
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cancel_chars_copy = BUF_strdup(cancel_chars); |
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if (cancel_chars_copy == NULL) { |
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UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE); |
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goto err; |
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} |
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} |
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return general_allocate_boolean(ui, prompt_copy, action_desc_copy, |
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ok_chars_copy, cancel_chars_copy, 1, |
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UIT_BOOLEAN, flags, result_buf); |
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err: |
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if (prompt_copy) |
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OPENSSL_free(prompt_copy); |
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if (action_desc_copy) |
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OPENSSL_free(action_desc_copy); |
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if (ok_chars_copy) |
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OPENSSL_free(ok_chars_copy); |
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if (cancel_chars_copy) |
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OPENSSL_free(cancel_chars_copy); |
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return -1; |
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} |
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int UI_add_info_string(UI *ui, const char *text) |
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{ |
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return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0, |
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NULL); |
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} |
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int UI_dup_info_string(UI *ui, const char *text) |
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{ |
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char *text_copy = NULL; |
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if (text) { |
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text_copy = BUF_strdup(text); |
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if (text_copy == NULL) { |
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UIerr(UI_F_UI_DUP_INFO_STRING, ERR_R_MALLOC_FAILURE); |
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return -1; |
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} |
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} |
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return general_allocate_string(ui, text_copy, 1, UIT_INFO, 0, NULL, |
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0, 0, NULL); |
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} |
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int UI_add_error_string(UI *ui, const char *text) |
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{ |
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return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0, |
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NULL); |
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} |
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int UI_dup_error_string(UI *ui, const char *text) |
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{ |
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char *text_copy = NULL; |
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if (text) { |
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text_copy = BUF_strdup(text); |
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if (text_copy == NULL) { |
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UIerr(UI_F_UI_DUP_ERROR_STRING, ERR_R_MALLOC_FAILURE); |
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return -1; |
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} |
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} |
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return general_allocate_string(ui, text_copy, 1, UIT_ERROR, 0, NULL, |
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0, 0, NULL); |
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} |
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char *UI_construct_prompt(UI *ui, const char *object_desc, |
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const char *object_name) |
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{ |
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char *prompt = NULL; |
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|
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if (ui->meth->ui_construct_prompt) |
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prompt = ui->meth->ui_construct_prompt(ui, object_desc, object_name); |
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else { |
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char prompt1[] = "Enter "; |
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char prompt2[] = " for "; |
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char prompt3[] = ":"; |
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int len = 0; |
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|
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if (object_desc == NULL) |
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return NULL; |
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len = sizeof(prompt1) - 1 + strlen(object_desc); |
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if (object_name) |
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len += sizeof(prompt2) - 1 + strlen(object_name); |
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len += sizeof(prompt3) - 1; |
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prompt = (char *)OPENSSL_malloc(len + 1); |
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BUF_strlcpy(prompt, prompt1, len + 1); |
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BUF_strlcat(prompt, object_desc, len + 1); |
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if (object_name) { |
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BUF_strlcat(prompt, prompt2, len + 1); |
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BUF_strlcat(prompt, object_name, len + 1); |
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} |
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BUF_strlcat(prompt, prompt3, len + 1); |
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} |
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return prompt; |
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} |
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void *UI_add_user_data(UI *ui, void *user_data) |
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{ |
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void *old_data = ui->user_data; |
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ui->user_data = user_data; |
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return old_data; |
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} |
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|
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void *UI_get0_user_data(UI *ui) |
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{ |
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return ui->user_data; |
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} |
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|
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const char *UI_get0_result(UI *ui, int i) |
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{ |
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if (i < 0) { |
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UIerr(UI_F_UI_GET0_RESULT, UI_R_INDEX_TOO_SMALL); |
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return NULL; |
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} |
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if (i >= sk_UI_STRING_num(ui->strings)) { |
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UIerr(UI_F_UI_GET0_RESULT, UI_R_INDEX_TOO_LARGE); |
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return NULL; |
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} |
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return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i)); |
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} |
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|
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static int print_error(const char *str, size_t len, UI *ui) |
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{ |
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UI_STRING uis; |
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|
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memset(&uis, 0, sizeof(uis)); |
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uis.type = UIT_ERROR; |
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uis.out_string = str; |
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|
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if (ui->meth->ui_write_string && !ui->meth->ui_write_string(ui, &uis)) |
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return -1; |
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return 0; |
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} |
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|
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int UI_process(UI *ui) |
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{ |
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int i, ok = 0; |
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|
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if (ui->meth->ui_open_session && !ui->meth->ui_open_session(ui)) |
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return -1; |
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|
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if (ui->flags & UI_FLAG_PRINT_ERRORS) |
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ERR_print_errors_cb((int (*)(const char *, size_t, void *)) |
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print_error, (void *)ui); |
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|
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for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) { |
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if (ui->meth->ui_write_string |
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&& !ui->meth->ui_write_string(ui, |
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sk_UI_STRING_value(ui->strings, i))) |
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{ |
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ok = -1; |
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goto err; |
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} |
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} |
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|
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if (ui->meth->ui_flush) |
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switch (ui->meth->ui_flush(ui)) { |
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case -1: /* Interrupt/Cancel/something... */ |
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ok = -2; |
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goto err; |
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case 0: /* Errors */ |
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ok = -1; |
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goto err; |
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default: /* Success */ |
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ok = 0; |
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break; |
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} |
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|
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for (i = 0; i < sk_UI_STRING_num(ui->strings); i++) { |
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if (ui->meth->ui_read_string) { |
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switch (ui->meth->ui_read_string(ui, |
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sk_UI_STRING_value(ui->strings, |
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i))) { |
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case -1: /* Interrupt/Cancel/something... */ |
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ok = -2; |
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goto err; |
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case 0: /* Errors */ |
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ok = -1; |
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goto err; |
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default: /* Success */ |
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ok = 0; |
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break; |
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} |
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} |
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} |
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err: |
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if (ui->meth->ui_close_session && !ui->meth->ui_close_session(ui)) |
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return -1; |
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return ok; |
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} |
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|
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int UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f) (void)) |
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{ |
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if (ui == NULL) { |
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UIerr(UI_F_UI_CTRL, ERR_R_PASSED_NULL_PARAMETER); |
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return -1; |
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} |
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switch (cmd) { |
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case UI_CTRL_PRINT_ERRORS: |
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{ |
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int save_flag = ! !(ui->flags & UI_FLAG_PRINT_ERRORS); |
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if (i) |
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ui->flags |= UI_FLAG_PRINT_ERRORS; |
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else |
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ui->flags &= ~UI_FLAG_PRINT_ERRORS; |
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return save_flag; |
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} |
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case UI_CTRL_IS_REDOABLE: |
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return ! !(ui->flags & UI_FLAG_REDOABLE); |
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default: |
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break; |
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} |
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UIerr(UI_F_UI_CTRL, UI_R_UNKNOWN_CONTROL_COMMAND); |
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return -1; |
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} |
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|
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int UI_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, |
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CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) |
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{ |
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return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_UI, argl, argp, |
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new_func, dup_func, free_func); |
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} |
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|
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int UI_set_ex_data(UI *r, int idx, void *arg) |
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{ |
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return (CRYPTO_set_ex_data(&r->ex_data, idx, arg)); |
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} |
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|
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void *UI_get_ex_data(UI *r, int idx) |
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{ |
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return (CRYPTO_get_ex_data(&r->ex_data, idx)); |
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} |
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|
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void UI_set_default_method(const UI_METHOD *meth) |
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{ |
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default_UI_meth = meth; |
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} |
|
|
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const UI_METHOD *UI_get_default_method(void) |
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{ |
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if (default_UI_meth == NULL) { |
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default_UI_meth = UI_OpenSSL(); |
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} |
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return default_UI_meth; |
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} |
|
|
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const UI_METHOD *UI_get_method(UI *ui) |
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{ |
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return ui->meth; |
|
} |
|
|
|
const UI_METHOD *UI_set_method(UI *ui, const UI_METHOD *meth) |
|
{ |
|
ui->meth = meth; |
|
return ui->meth; |
|
} |
|
|
|
UI_METHOD *UI_create_method(char *name) |
|
{ |
|
UI_METHOD *ui_method = (UI_METHOD *)OPENSSL_malloc(sizeof(UI_METHOD)); |
|
|
|
if (ui_method) { |
|
memset(ui_method, 0, sizeof(*ui_method)); |
|
ui_method->name = BUF_strdup(name); |
|
} |
|
return ui_method; |
|
} |
|
|
|
/* |
|
* BIG FSCKING WARNING!!!! If you use this on a statically allocated method |
|
* (that is, it hasn't been allocated using UI_create_method(), you deserve |
|
* anything Murphy can throw at you and more! You have been warned. |
|
*/ |
|
void UI_destroy_method(UI_METHOD *ui_method) |
|
{ |
|
OPENSSL_free(ui_method->name); |
|
ui_method->name = NULL; |
|
OPENSSL_free(ui_method); |
|
} |
|
|
|
int UI_method_set_opener(UI_METHOD *method, int (*opener) (UI *ui)) |
|
{ |
|
if (method) { |
|
method->ui_open_session = opener; |
|
return 0; |
|
} else |
|
return -1; |
|
} |
|
|
|
int UI_method_set_writer(UI_METHOD *method, |
|
int (*writer) (UI *ui, UI_STRING *uis)) |
|
{ |
|
if (method) { |
|
method->ui_write_string = writer; |
|
return 0; |
|
} else |
|
return -1; |
|
} |
|
|
|
int UI_method_set_flusher(UI_METHOD *method, int (*flusher) (UI *ui)) |
|
{ |
|
if (method) { |
|
method->ui_flush = flusher; |
|
return 0; |
|
} else |
|
return -1; |
|
} |
|
|
|
int UI_method_set_reader(UI_METHOD *method, |
|
int (*reader) (UI *ui, UI_STRING *uis)) |
|
{ |
|
if (method) { |
|
method->ui_read_string = reader; |
|
return 0; |
|
} else |
|
return -1; |
|
} |
|
|
|
int UI_method_set_closer(UI_METHOD *method, int (*closer) (UI *ui)) |
|
{ |
|
if (method) { |
|
method->ui_close_session = closer; |
|
return 0; |
|
} else |
|
return -1; |
|
} |
|
|
|
int UI_method_set_prompt_constructor(UI_METHOD *method, |
|
char *(*prompt_constructor) (UI *ui, |
|
const char |
|
*object_desc, |
|
const char |
|
*object_name)) |
|
{ |
|
if (method) { |
|
method->ui_construct_prompt = prompt_constructor; |
|
return 0; |
|
} else |
|
return -1; |
|
} |
|
|
|
int (*UI_method_get_opener(UI_METHOD *method)) (UI *) { |
|
if (method) |
|
return method->ui_open_session; |
|
else |
|
return NULL; |
|
} |
|
|
|
int (*UI_method_get_writer(UI_METHOD *method)) (UI *, UI_STRING *) { |
|
if (method) |
|
return method->ui_write_string; |
|
else |
|
return NULL; |
|
} |
|
|
|
int (*UI_method_get_flusher(UI_METHOD *method)) (UI *) { |
|
if (method) |
|
return method->ui_flush; |
|
else |
|
return NULL; |
|
} |
|
|
|
int (*UI_method_get_reader(UI_METHOD *method)) (UI *, UI_STRING *) { |
|
if (method) |
|
return method->ui_read_string; |
|
else |
|
return NULL; |
|
} |
|
|
|
int (*UI_method_get_closer(UI_METHOD *method)) (UI *) { |
|
if (method) |
|
return method->ui_close_session; |
|
else |
|
return NULL; |
|
} |
|
|
|
char *(*UI_method_get_prompt_constructor(UI_METHOD *method)) (UI *, |
|
const char *, |
|
const char *) { |
|
if (method) |
|
return method->ui_construct_prompt; |
|
else |
|
return NULL; |
|
} |
|
|
|
enum UI_string_types UI_get_string_type(UI_STRING *uis) |
|
{ |
|
if (!uis) |
|
return UIT_NONE; |
|
return uis->type; |
|
} |
|
|
|
int UI_get_input_flags(UI_STRING *uis) |
|
{ |
|
if (!uis) |
|
return 0; |
|
return uis->input_flags; |
|
} |
|
|
|
const char *UI_get0_output_string(UI_STRING *uis) |
|
{ |
|
if (!uis) |
|
return NULL; |
|
return uis->out_string; |
|
} |
|
|
|
const char *UI_get0_action_string(UI_STRING *uis) |
|
{ |
|
if (!uis) |
|
return NULL; |
|
switch (uis->type) { |
|
case UIT_PROMPT: |
|
case UIT_BOOLEAN: |
|
return uis->_.boolean_data.action_desc; |
|
default: |
|
return NULL; |
|
} |
|
} |
|
|
|
const char *UI_get0_result_string(UI_STRING *uis) |
|
{ |
|
if (!uis) |
|
return NULL; |
|
switch (uis->type) { |
|
case UIT_PROMPT: |
|
case UIT_VERIFY: |
|
return uis->result_buf; |
|
default: |
|
return NULL; |
|
} |
|
} |
|
|
|
const char *UI_get0_test_string(UI_STRING *uis) |
|
{ |
|
if (!uis) |
|
return NULL; |
|
switch (uis->type) { |
|
case UIT_VERIFY: |
|
return uis->_.string_data.test_buf; |
|
default: |
|
return NULL; |
|
} |
|
} |
|
|
|
int UI_get_result_minsize(UI_STRING *uis) |
|
{ |
|
if (!uis) |
|
return -1; |
|
switch (uis->type) { |
|
case UIT_PROMPT: |
|
case UIT_VERIFY: |
|
return uis->_.string_data.result_minsize; |
|
default: |
|
return -1; |
|
} |
|
} |
|
|
|
int UI_get_result_maxsize(UI_STRING *uis) |
|
{ |
|
if (!uis) |
|
return -1; |
|
switch (uis->type) { |
|
case UIT_PROMPT: |
|
case UIT_VERIFY: |
|
return uis->_.string_data.result_maxsize; |
|
default: |
|
return -1; |
|
} |
|
} |
|
|
|
int UI_set_result(UI *ui, UI_STRING *uis, const char *result) |
|
{ |
|
int l = strlen(result); |
|
|
|
ui->flags &= ~UI_FLAG_REDOABLE; |
|
|
|
if (!uis) |
|
return -1; |
|
switch (uis->type) { |
|
case UIT_PROMPT: |
|
case UIT_VERIFY: |
|
{ |
|
char number1[DECIMAL_SIZE(uis->_.string_data.result_minsize) + 1]; |
|
char number2[DECIMAL_SIZE(uis->_.string_data.result_maxsize) + 1]; |
|
|
|
BIO_snprintf(number1, sizeof(number1), "%d", |
|
uis->_.string_data.result_minsize); |
|
BIO_snprintf(number2, sizeof(number2), "%d", |
|
uis->_.string_data.result_maxsize); |
|
|
|
if (l < uis->_.string_data.result_minsize) { |
|
ui->flags |= UI_FLAG_REDOABLE; |
|
UIerr(UI_F_UI_SET_RESULT, UI_R_RESULT_TOO_SMALL); |
|
ERR_add_error_data(5, "You must type in ", |
|
number1, " to ", number2, " characters"); |
|
return -1; |
|
} |
|
if (l > uis->_.string_data.result_maxsize) { |
|
ui->flags |= UI_FLAG_REDOABLE; |
|
UIerr(UI_F_UI_SET_RESULT, UI_R_RESULT_TOO_LARGE); |
|
ERR_add_error_data(5, "You must type in ", |
|
number1, " to ", number2, " characters"); |
|
return -1; |
|
} |
|
} |
|
|
|
if (!uis->result_buf) { |
|
UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER); |
|
return -1; |
|
} |
|
|
|
BUF_strlcpy(uis->result_buf, result, |
|
uis->_.string_data.result_maxsize + 1); |
|
break; |
|
case UIT_BOOLEAN: |
|
{ |
|
const char *p; |
|
|
|
if (!uis->result_buf) { |
|
UIerr(UI_F_UI_SET_RESULT, UI_R_NO_RESULT_BUFFER); |
|
return -1; |
|
} |
|
|
|
uis->result_buf[0] = '\0'; |
|
for (p = result; *p; p++) { |
|
if (strchr(uis->_.boolean_data.ok_chars, *p)) { |
|
uis->result_buf[0] = uis->_.boolean_data.ok_chars[0]; |
|
break; |
|
} |
|
if (strchr(uis->_.boolean_data.cancel_chars, *p)) { |
|
uis->result_buf[0] = uis->_.boolean_data.cancel_chars[0]; |
|
break; |
|
} |
|
} |
|
} |
|
default: |
|
break; |
|
} |
|
return 0; |
|
}
|
|
|