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- /*
- * Copyright 2001-2020 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
- #include <string.h>
- #include "internal/cryptlib.h"
- #include <openssl/e_os2.h>
- #include <openssl/buffer.h>
- #include <openssl/ui.h>
- #include <openssl/err.h>
- #include "ui_local.h"
- UI *UI_new(void)
- {
- return UI_new_method(NULL);
- }
- UI *UI_new_method(const UI_METHOD *method)
- {
- UI *ret = OPENSSL_zalloc(sizeof(*ret));
- if (ret == NULL) {
- ERR_raise(ERR_LIB_UI, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- ret->lock = CRYPTO_THREAD_lock_new();
- if (ret->lock == NULL) {
- ERR_raise(ERR_LIB_UI, ERR_R_MALLOC_FAILURE);
- OPENSSL_free(ret);
- return NULL;
- }
- if (method == NULL)
- method = UI_get_default_method();
- if (method == NULL)
- method = UI_null();
- ret->meth = method;
- if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data)) {
- OPENSSL_free(ret);
- return NULL;
- }
- 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;
- case UIT_NONE:
- case UIT_PROMPT:
- case UIT_VERIFY:
- case UIT_ERROR:
- case UIT_INFO:
- break;
- }
- }
- OPENSSL_free(uis);
- }
- void UI_free(UI *ui)
- {
- if (ui == NULL)
- return;
- if ((ui->flags & UI_FLAG_DUPL_DATA) != 0) {
- ui->meth->ui_destroy_data(ui, ui->user_data);
- }
- sk_UI_STRING_pop_free(ui->strings, free_string);
- CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI, ui, &ui->ex_data);
- CRYPTO_THREAD_lock_free(ui->lock);
- 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) {
- ERR_raise(ERR_LIB_UI, ERR_R_PASSED_NULL_PARAMETER);
- } else if ((type == UIT_PROMPT || type == UIT_VERIFY
- || type == UIT_BOOLEAN) && result_buf == NULL) {
- ERR_raise(ERR_LIB_UI, UI_R_NO_RESULT_BUFFER);
- } else if ((ret = OPENSSL_zalloc(sizeof(*ret))) != NULL) {
- 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 != NULL) {
- 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 adapt that */
- if (ret <= 0) {
- ret--;
- free_string(s);
- }
- } 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) {
- ERR_raise(ERR_LIB_UI, ERR_R_PASSED_NULL_PARAMETER);
- } else if (cancel_chars == NULL) {
- ERR_raise(ERR_LIB_UI, ERR_R_PASSED_NULL_PARAMETER);
- } else {
- for (p = ok_chars; *p != '\0'; p++) {
- if (strchr(cancel_chars, *p) != NULL) {
- ERR_raise(ERR_LIB_UI, UI_R_COMMON_OK_AND_CANCEL_CHARACTERS);
- }
- }
- s = general_allocate_prompt(ui, prompt, prompt_freeable,
- type, input_flags, result_buf);
- if (s != NULL) {
- 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 adapt that
- */
- if (ret <= 0) {
- ret--;
- free_string(s);
- }
- } 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 != NULL) {
- prompt_copy = OPENSSL_strdup(prompt);
- if (prompt_copy == NULL) {
- ERR_raise(ERR_LIB_UI, 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 != NULL) {
- prompt_copy = OPENSSL_strdup(prompt);
- if (prompt_copy == NULL) {
- ERR_raise(ERR_LIB_UI, 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 != NULL) {
- prompt_copy = OPENSSL_strdup(prompt);
- if (prompt_copy == NULL) {
- ERR_raise(ERR_LIB_UI, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- }
- if (action_desc != NULL) {
- action_desc_copy = OPENSSL_strdup(action_desc);
- if (action_desc_copy == NULL) {
- ERR_raise(ERR_LIB_UI, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- }
- if (ok_chars != NULL) {
- ok_chars_copy = OPENSSL_strdup(ok_chars);
- if (ok_chars_copy == NULL) {
- ERR_raise(ERR_LIB_UI, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- }
- if (cancel_chars != NULL) {
- cancel_chars_copy = OPENSSL_strdup(cancel_chars);
- if (cancel_chars_copy == NULL) {
- ERR_raise(ERR_LIB_UI, 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:
- OPENSSL_free(prompt_copy);
- OPENSSL_free(action_desc_copy);
- OPENSSL_free(ok_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 != NULL) {
- text_copy = OPENSSL_strdup(text);
- if (text_copy == NULL) {
- ERR_raise(ERR_LIB_UI, 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 != NULL) {
- text_copy = OPENSSL_strdup(text);
- if (text_copy == NULL) {
- ERR_raise(ERR_LIB_UI, 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 *phrase_desc,
- const char *object_name)
- {
- char *prompt = NULL;
- if (ui != NULL && ui->meth != NULL && ui->meth->ui_construct_prompt != NULL)
- prompt = ui->meth->ui_construct_prompt(ui, phrase_desc, object_name);
- else {
- char prompt1[] = "Enter ";
- char prompt2[] = " for ";
- char prompt3[] = ":";
- int len = 0;
- if (phrase_desc == NULL)
- return NULL;
- len = sizeof(prompt1) - 1 + strlen(phrase_desc);
- if (object_name != NULL)
- len += sizeof(prompt2) - 1 + strlen(object_name);
- len += sizeof(prompt3) - 1;
- if ((prompt = OPENSSL_malloc(len + 1)) == NULL) {
- ERR_raise(ERR_LIB_UI, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- OPENSSL_strlcpy(prompt, prompt1, len + 1);
- OPENSSL_strlcat(prompt, phrase_desc, len + 1);
- if (object_name != NULL) {
- OPENSSL_strlcat(prompt, prompt2, len + 1);
- OPENSSL_strlcat(prompt, object_name, len + 1);
- }
- OPENSSL_strlcat(prompt, prompt3, len + 1);
- }
- return prompt;
- }
- void *UI_add_user_data(UI *ui, void *user_data)
- {
- void *old_data = ui->user_data;
- if ((ui->flags & UI_FLAG_DUPL_DATA) != 0) {
- ui->meth->ui_destroy_data(ui, old_data);
- old_data = NULL;
- }
- ui->user_data = user_data;
- ui->flags &= ~UI_FLAG_DUPL_DATA;
- return old_data;
- }
- int UI_dup_user_data(UI *ui, void *user_data)
- {
- void *duplicate = NULL;
- if (ui->meth->ui_duplicate_data == NULL
- || ui->meth->ui_destroy_data == NULL) {
- ERR_raise(ERR_LIB_UI, UI_R_USER_DATA_DUPLICATION_UNSUPPORTED);
- return -1;
- }
- duplicate = ui->meth->ui_duplicate_data(ui, user_data);
- if (duplicate == NULL) {
- ERR_raise(ERR_LIB_UI, ERR_R_MALLOC_FAILURE);
- return -1;
- }
- (void)UI_add_user_data(ui, duplicate);
- ui->flags |= UI_FLAG_DUPL_DATA;
- return 0;
- }
- void *UI_get0_user_data(UI *ui)
- {
- return ui->user_data;
- }
- const char *UI_get0_result(UI *ui, int i)
- {
- if (i < 0) {
- ERR_raise(ERR_LIB_UI, UI_R_INDEX_TOO_SMALL);
- return NULL;
- }
- if (i >= sk_UI_STRING_num(ui->strings)) {
- ERR_raise(ERR_LIB_UI, UI_R_INDEX_TOO_LARGE);
- return NULL;
- }
- return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i));
- }
- int UI_get_result_length(UI *ui, int i)
- {
- if (i < 0) {
- ERR_raise(ERR_LIB_UI, UI_R_INDEX_TOO_SMALL);
- return -1;
- }
- if (i >= sk_UI_STRING_num(ui->strings)) {
- ERR_raise(ERR_LIB_UI, UI_R_INDEX_TOO_LARGE);
- return -1;
- }
- return UI_get_result_string_length(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 != NULL
- && ui->meth->ui_write_string(ui, &uis) <= 0)
- return -1;
- return 0;
- }
- int UI_process(UI *ui)
- {
- int i, ok = 0;
- const char *state = "processing";
- if (ui->meth->ui_open_session != NULL
- && ui->meth->ui_open_session(ui) <= 0) {
- state = "opening session";
- ok = -1;
- goto err;
- }
- 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 != NULL
- && (ui->meth->ui_write_string(ui,
- sk_UI_STRING_value(ui->strings, i))
- <= 0))
- {
- state = "writing strings";
- ok = -1;
- goto err;
- }
- }
- if (ui->meth->ui_flush != NULL)
- switch (ui->meth->ui_flush(ui)) {
- case -1: /* Interrupt/Cancel/something... */
- ui->flags &= ~UI_FLAG_REDOABLE;
- ok = -2;
- goto err;
- case 0: /* Errors */
- state = "flushing";
- 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 != NULL) {
- switch (ui->meth->ui_read_string(ui,
- sk_UI_STRING_value(ui->strings,
- i))) {
- case -1: /* Interrupt/Cancel/something... */
- ui->flags &= ~UI_FLAG_REDOABLE;
- ok = -2;
- goto err;
- case 0: /* Errors */
- state = "reading strings";
- ok = -1;
- goto err;
- default: /* Success */
- ok = 0;
- break;
- }
- }
- }
- state = NULL;
- err:
- if (ui->meth->ui_close_session != NULL
- && ui->meth->ui_close_session(ui) <= 0) {
- if (state == NULL)
- state = "closing session";
- ok = -1;
- }
- if (ok == -1)
- ERR_raise_data(ERR_LIB_UI, UI_R_PROCESSING_ERROR, "while %s", state);
- return ok;
- }
- int UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f) (void))
- {
- if (ui == NULL) {
- ERR_raise(ERR_LIB_UI, 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;
- }
- ERR_raise(ERR_LIB_UI, UI_R_UNKNOWN_CONTROL_COMMAND);
- return -1;
- }
- 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(const UI *r, int idx)
- {
- return CRYPTO_get_ex_data(&r->ex_data, idx);
- }
- 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(const char *name)
- {
- UI_METHOD *ui_method = NULL;
- if ((ui_method = OPENSSL_zalloc(sizeof(*ui_method))) == NULL
- || (ui_method->name = OPENSSL_strdup(name)) == NULL
- || !CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI_METHOD, ui_method,
- &ui_method->ex_data)) {
- if (ui_method)
- OPENSSL_free(ui_method->name);
- OPENSSL_free(ui_method);
- ERR_raise(ERR_LIB_UI, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- 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)
- {
- if (ui_method == NULL)
- return;
- CRYPTO_free_ex_data(CRYPTO_EX_INDEX_UI_METHOD, ui_method,
- &ui_method->ex_data);
- 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 != NULL) {
- method->ui_open_session = opener;
- return 0;
- }
- return -1;
- }
- int UI_method_set_writer(UI_METHOD *method,
- int (*writer) (UI *ui, UI_STRING *uis))
- {
- if (method != NULL) {
- method->ui_write_string = writer;
- return 0;
- }
- return -1;
- }
- int UI_method_set_flusher(UI_METHOD *method, int (*flusher) (UI *ui))
- {
- if (method != NULL) {
- method->ui_flush = flusher;
- return 0;
- }
- return -1;
- }
- int UI_method_set_reader(UI_METHOD *method,
- int (*reader) (UI *ui, UI_STRING *uis))
- {
- if (method != NULL) {
- method->ui_read_string = reader;
- return 0;
- }
- return -1;
- }
- int UI_method_set_closer(UI_METHOD *method, int (*closer) (UI *ui))
- {
- if (method != NULL) {
- method->ui_close_session = closer;
- return 0;
- }
- return -1;
- }
- int UI_method_set_data_duplicator(UI_METHOD *method,
- void *(*duplicator) (UI *ui, void *ui_data),
- void (*destructor)(UI *ui, void *ui_data))
- {
- if (method != NULL) {
- method->ui_duplicate_data = duplicator;
- method->ui_destroy_data = destructor;
- return 0;
- }
- return -1;
- }
- int UI_method_set_prompt_constructor(UI_METHOD *method,
- char *(*prompt_constructor) (UI *ui,
- const char *,
- const char *))
- {
- if (method != NULL) {
- method->ui_construct_prompt = prompt_constructor;
- return 0;
- }
- return -1;
- }
- int UI_method_set_ex_data(UI_METHOD *method, int idx, void *data)
- {
- return CRYPTO_set_ex_data(&method->ex_data, idx, data);
- }
- int (*UI_method_get_opener(const UI_METHOD *method)) (UI *)
- {
- if (method != NULL)
- return method->ui_open_session;
- return NULL;
- }
- int (*UI_method_get_writer(const UI_METHOD *method)) (UI *, UI_STRING *)
- {
- if (method != NULL)
- return method->ui_write_string;
- return NULL;
- }
- int (*UI_method_get_flusher(const UI_METHOD *method)) (UI *)
- {
- if (method != NULL)
- return method->ui_flush;
- return NULL;
- }
- int (*UI_method_get_reader(const UI_METHOD *method)) (UI *, UI_STRING *)
- {
- if (method != NULL)
- return method->ui_read_string;
- return NULL;
- }
- int (*UI_method_get_closer(const UI_METHOD *method)) (UI *)
- {
- if (method != NULL)
- return method->ui_close_session;
- return NULL;
- }
- char *(*UI_method_get_prompt_constructor(const UI_METHOD *method))
- (UI *, const char *, const char *)
- {
- if (method != NULL)
- return method->ui_construct_prompt;
- return NULL;
- }
- void *(*UI_method_get_data_duplicator(const UI_METHOD *method)) (UI *, void *)
- {
- if (method != NULL)
- return method->ui_duplicate_data;
- return NULL;
- }
- void (*UI_method_get_data_destructor(const UI_METHOD *method)) (UI *, void *)
- {
- if (method != NULL)
- return method->ui_destroy_data;
- return NULL;
- }
- const void *UI_method_get_ex_data(const UI_METHOD *method, int idx)
- {
- return CRYPTO_get_ex_data(&method->ex_data, idx);
- }
- enum UI_string_types UI_get_string_type(UI_STRING *uis)
- {
- return uis->type;
- }
- int UI_get_input_flags(UI_STRING *uis)
- {
- return uis->input_flags;
- }
- const char *UI_get0_output_string(UI_STRING *uis)
- {
- return uis->out_string;
- }
- const char *UI_get0_action_string(UI_STRING *uis)
- {
- switch (uis->type) {
- case UIT_BOOLEAN:
- return uis->_.boolean_data.action_desc;
- case UIT_PROMPT:
- case UIT_NONE:
- case UIT_VERIFY:
- case UIT_INFO:
- case UIT_ERROR:
- break;
- }
- return NULL;
- }
- const char *UI_get0_result_string(UI_STRING *uis)
- {
- switch (uis->type) {
- case UIT_PROMPT:
- case UIT_VERIFY:
- return uis->result_buf;
- case UIT_NONE:
- case UIT_BOOLEAN:
- case UIT_INFO:
- case UIT_ERROR:
- break;
- }
- return NULL;
- }
- int UI_get_result_string_length(UI_STRING *uis)
- {
- switch (uis->type) {
- case UIT_PROMPT:
- case UIT_VERIFY:
- return uis->result_len;
- case UIT_NONE:
- case UIT_BOOLEAN:
- case UIT_INFO:
- case UIT_ERROR:
- break;
- }
- return -1;
- }
- const char *UI_get0_test_string(UI_STRING *uis)
- {
- switch (uis->type) {
- case UIT_VERIFY:
- return uis->_.string_data.test_buf;
- case UIT_NONE:
- case UIT_BOOLEAN:
- case UIT_INFO:
- case UIT_ERROR:
- case UIT_PROMPT:
- break;
- }
- return NULL;
- }
- int UI_get_result_minsize(UI_STRING *uis)
- {
- switch (uis->type) {
- case UIT_PROMPT:
- case UIT_VERIFY:
- return uis->_.string_data.result_minsize;
- case UIT_NONE:
- case UIT_INFO:
- case UIT_ERROR:
- case UIT_BOOLEAN:
- break;
- }
- return -1;
- }
- int UI_get_result_maxsize(UI_STRING *uis)
- {
- switch (uis->type) {
- case UIT_PROMPT:
- case UIT_VERIFY:
- return uis->_.string_data.result_maxsize;
- case UIT_NONE:
- case UIT_INFO:
- case UIT_ERROR:
- case UIT_BOOLEAN:
- break;
- }
- return -1;
- }
- int UI_set_result(UI *ui, UI_STRING *uis, const char *result)
- {
- return UI_set_result_ex(ui, uis, result, strlen(result));
- }
- int UI_set_result_ex(UI *ui, UI_STRING *uis, const char *result, int len)
- {
- ui->flags &= ~UI_FLAG_REDOABLE;
- switch (uis->type) {
- case UIT_PROMPT:
- case UIT_VERIFY:
- if (len < uis->_.string_data.result_minsize) {
- ui->flags |= UI_FLAG_REDOABLE;
- ERR_raise_data(ERR_LIB_UI, UI_R_RESULT_TOO_SMALL,
- "You must type in %d to %d characters",
- uis->_.string_data.result_minsize,
- uis->_.string_data.result_maxsize);
- return -1;
- }
- if (len > uis->_.string_data.result_maxsize) {
- ui->flags |= UI_FLAG_REDOABLE;
- ERR_raise_data(ERR_LIB_UI, UI_R_RESULT_TOO_LARGE,
- "You must type in %d to %d characters",
- uis->_.string_data.result_minsize,
- uis->_.string_data.result_maxsize);
- return -1;
- }
- if (uis->result_buf == NULL) {
- ERR_raise(ERR_LIB_UI, UI_R_NO_RESULT_BUFFER);
- return -1;
- }
- memcpy(uis->result_buf, result, len);
- if (len <= uis->_.string_data.result_maxsize)
- uis->result_buf[len] = '\0';
- uis->result_len = len;
- break;
- case UIT_BOOLEAN:
- {
- const char *p;
- if (uis->result_buf == NULL) {
- ERR_raise(ERR_LIB_UI, 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;
- }
- }
- }
- case UIT_NONE:
- case UIT_INFO:
- case UIT_ERROR:
- break;
- }
- return 0;
- }
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