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