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torque
2023-08-31 00:49:24 -07:00
parent 3ef498f9e6
commit 316795abde
1218 changed files with 562506 additions and 0 deletions
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96
crypto/ui/ui_err.c Normal file
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/* $OpenBSD: ui_err.c,v 1.12 2023/02/16 08:38:17 tb Exp $ */
/* ====================================================================
* Copyright (c) 1999-2006 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 <stdio.h>
#include <openssl/opensslconf.h>
#include <openssl/err.h>
#include <openssl/ui.h>
#ifndef OPENSSL_NO_ERR
#define ERR_FUNC(func) ERR_PACK(ERR_LIB_UI,func,0)
#define ERR_REASON(reason) ERR_PACK(ERR_LIB_UI,0,reason)
static ERR_STRING_DATA UI_str_functs[] = {
{ERR_FUNC(0xfff), "CRYPTO_internal"},
{0, NULL}
};
static ERR_STRING_DATA UI_str_reasons[] = {
{ERR_REASON(UI_R_COMMON_OK_AND_CANCEL_CHARACTERS), "common ok and cancel characters"},
{ERR_REASON(UI_R_INDEX_TOO_LARGE), "index too large"},
{ERR_REASON(UI_R_INDEX_TOO_SMALL), "index too small"},
{ERR_REASON(UI_R_NO_RESULT_BUFFER), "no result buffer"},
{ERR_REASON(UI_R_RESULT_TOO_LARGE), "result too large"},
{ERR_REASON(UI_R_RESULT_TOO_SMALL), "result too small"},
{ERR_REASON(UI_R_UNKNOWN_CONTROL_COMMAND), "unknown control command"},
{0, NULL}
};
#endif
void
ERR_load_UI_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_func_error_string(UI_str_functs[0].error) == NULL) {
ERR_load_strings(0, UI_str_functs);
ERR_load_strings(0, UI_str_reasons);
}
#endif
}
LCRYPTO_ALIAS(ERR_load_UI_strings);

907
crypto/ui/ui_lib.c Normal file
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@@ -0,0 +1,907 @@
/* $OpenBSD: ui_lib.c,v 1.51 2023/02/16 08:38:17 tb Exp $ */
/* 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 <openssl/opensslconf.h>
#include <openssl/buffer.h>
#include <openssl/err.h>
#include <openssl/ui.h>
#include "ui_local.h"
static const UI_METHOD *default_UI_meth = NULL;
UI *
UI_new(void)
{
return (UI_new_method(NULL));
}
LCRYPTO_ALIAS(UI_new);
UI *
UI_new_method(const UI_METHOD *method)
{
UI *ret;
if ((ret = calloc(1, sizeof(UI))) == NULL) {
UIerror(ERR_R_MALLOC_FAILURE);
return NULL;
}
if ((ret->meth = method) == NULL)
ret->meth = UI_get_default_method();
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data);
return ret;
}
LCRYPTO_ALIAS(UI_new_method);
static void
free_string(UI_STRING *uis)
{
if (uis == NULL)
return;
if (uis->flags & OUT_STRING_FREEABLE) {
free((char *) uis->out_string);
switch (uis->type) {
case UIT_BOOLEAN:
free((char *)uis->_.boolean_data.action_desc);
free((char *)uis->_.boolean_data.ok_chars);
free((char *)uis->_.boolean_data.cancel_chars);
break;
default:
break;
}
}
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);
free(ui);
}
LCRYPTO_ALIAS(UI_free);
static int
allocate_string_stack(UI *ui)
{
if (ui->strings == NULL) {
if ((ui->strings = sk_UI_STRING_new_null()) == NULL) {
UIerror(ERR_R_MALLOC_FAILURE);
return -1;
}
}
return 0;
}
static UI_STRING *
general_allocate_prompt(const char *prompt, int dup_prompt,
enum UI_string_types type, int input_flags, char *result_buf)
{
UI_STRING *uis = NULL;
if (prompt == NULL) {
UIerror(ERR_R_PASSED_NULL_PARAMETER);
goto err;
}
if ((type == UIT_PROMPT || type == UIT_VERIFY || type == UIT_BOOLEAN) &&
result_buf == NULL) {
UIerror(UI_R_NO_RESULT_BUFFER);
goto err;
}
if ((uis = calloc(1, sizeof(UI_STRING))) == NULL) {
UIerror(ERR_R_MALLOC_FAILURE);
goto err;
}
uis->out_string = prompt;
if (dup_prompt) {
if ((uis->out_string = strdup(prompt)) == NULL) {
UIerror(ERR_R_MALLOC_FAILURE);
goto err;
}
uis->flags = OUT_STRING_FREEABLE;
}
uis->input_flags = input_flags;
uis->type = type;
uis->result_buf = result_buf;
return uis;
err:
free_string(uis);
return NULL;
}
static int
general_allocate_string(UI *ui, const char *prompt, int dup_prompt,
enum UI_string_types type, int input_flags, char *result_buf, int minsize,
int maxsize, const char *test_buf)
{
UI_STRING *s;
int ret;
if ((s = general_allocate_prompt(prompt, dup_prompt, type, input_flags,
result_buf)) == NULL)
goto err;
s->_.string_data.result_minsize = minsize;
s->_.string_data.result_maxsize = maxsize;
s->_.string_data.test_buf = test_buf;
if (allocate_string_stack(ui) < 0)
goto err;
if ((ret = sk_UI_STRING_push(ui->strings, s)) <= 0)
goto err;
return ret;
err:
free_string(s);
return -1;
}
static int
general_allocate_boolean(UI *ui, const char *prompt, const char *action_desc,
const char *ok_chars, const char *cancel_chars, int dup_strings,
enum UI_string_types type, int input_flags, char *result_buf)
{
UI_STRING *s = NULL;
int ret;
if (ok_chars == NULL || cancel_chars == NULL) {
UIerror(ERR_R_PASSED_NULL_PARAMETER);
goto err;
}
if (ok_chars[strcspn(ok_chars, cancel_chars)] != '\0') {
UIerror(UI_R_COMMON_OK_AND_CANCEL_CHARACTERS);
goto err;
}
if ((s = general_allocate_prompt(prompt, dup_strings, type, input_flags,
result_buf)) == NULL)
goto err;
if (dup_strings) {
if (action_desc != NULL) {
if ((s->_.boolean_data.action_desc =
strdup(action_desc)) == NULL) {
UIerror(ERR_R_MALLOC_FAILURE);
goto err;
}
}
if ((s->_.boolean_data.ok_chars = strdup(ok_chars)) == NULL) {
UIerror(ERR_R_MALLOC_FAILURE);
goto err;
}
if ((s->_.boolean_data.cancel_chars = strdup(cancel_chars)) ==
NULL) {
UIerror(ERR_R_MALLOC_FAILURE);
goto err;
}
} else {
s->_.boolean_data.action_desc = action_desc;
s->_.boolean_data.ok_chars = ok_chars;
s->_.boolean_data.cancel_chars = cancel_chars;
}
if (allocate_string_stack(ui) < 0)
goto err;
if ((ret = sk_UI_STRING_push(ui->strings, s)) <= 0)
goto err;
return ret;
err:
free_string(s);
return -1;
}
/*
* 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);
}
LCRYPTO_ALIAS(UI_add_input_string);
/* 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)
{
return general_allocate_string(ui, prompt, 1, UIT_PROMPT, flags,
result_buf, minsize, maxsize, NULL);
}
LCRYPTO_ALIAS(UI_dup_input_string);
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);
}
LCRYPTO_ALIAS(UI_add_verify_string);
int
UI_dup_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, 1, UIT_VERIFY, flags,
result_buf, minsize, maxsize, test_buf);
}
LCRYPTO_ALIAS(UI_dup_verify_string);
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);
}
LCRYPTO_ALIAS(UI_add_input_boolean);
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)
{
return general_allocate_boolean(ui, prompt, action_desc, ok_chars,
cancel_chars, 1, UIT_BOOLEAN, flags, result_buf);
}
LCRYPTO_ALIAS(UI_dup_input_boolean);
int
UI_add_info_string(UI *ui, const char *text)
{
return general_allocate_string(ui, text, 0, UIT_INFO, 0, NULL, 0, 0,
NULL);
}
LCRYPTO_ALIAS(UI_add_info_string);
int
UI_dup_info_string(UI *ui, const char *text)
{
return general_allocate_string(ui, text, 1, UIT_INFO, 0, NULL, 0, 0,
NULL);
}
LCRYPTO_ALIAS(UI_dup_info_string);
int
UI_add_error_string(UI *ui, const char *text)
{
return general_allocate_string(ui, text, 0, UIT_ERROR, 0, NULL, 0, 0,
NULL);
}
LCRYPTO_ALIAS(UI_add_error_string);
int
UI_dup_error_string(UI *ui, const char *text)
{
return general_allocate_string(ui, text, 1, UIT_ERROR, 0, NULL, 0, 0,
NULL);
}
LCRYPTO_ALIAS(UI_dup_error_string);
char *
UI_construct_prompt(UI *ui, const char *object_desc, const char *object_name)
{
char *prompt;
if (ui->meth->ui_construct_prompt)
return ui->meth->ui_construct_prompt(ui, object_desc,
object_name);
if (object_desc == NULL)
return NULL;
if (object_name == NULL) {
if (asprintf(&prompt, "Enter %s:", object_desc) == -1)
return (NULL);
} else {
if (asprintf(&prompt, "Enter %s for %s:", object_desc,
object_name) == -1)
return (NULL);
}
return prompt;
}
LCRYPTO_ALIAS(UI_construct_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;
}
LCRYPTO_ALIAS(UI_add_user_data);
void *
UI_get0_user_data(UI *ui)
{
return ui->user_data;
}
LCRYPTO_ALIAS(UI_get0_user_data);
const char *
UI_get0_result(UI *ui, int i)
{
if (i < 0) {
UIerror(UI_R_INDEX_TOO_SMALL);
return NULL;
}
if (i >= sk_UI_STRING_num(ui->strings)) {
UIerror(UI_R_INDEX_TOO_LARGE);
return NULL;
}
return UI_get0_result_string(sk_UI_STRING_value(ui->strings, i));
}
LCRYPTO_ALIAS(UI_get0_result);
static int
print_error(const char *str, size_t len, void *arg)
{
UI *ui = arg;
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(print_error, 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... */
ui->flags &= ~UI_FLAG_REDOABLE;
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;
}
LCRYPTO_ALIAS(UI_process);
int
UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f) (void))
{
if (ui == NULL) {
UIerror(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;
}
UIerror(UI_R_UNKNOWN_CONTROL_COMMAND);
return -1;
}
LCRYPTO_ALIAS(UI_ctrl);
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);
}
LCRYPTO_ALIAS(UI_get_ex_new_index);
int
UI_set_ex_data(UI *r, int idx, void *arg)
{
return (CRYPTO_set_ex_data(&r->ex_data, idx, arg));
}
LCRYPTO_ALIAS(UI_set_ex_data);
void *
UI_get_ex_data(UI *r, int idx)
{
return (CRYPTO_get_ex_data(&r->ex_data, idx));
}
LCRYPTO_ALIAS(UI_get_ex_data);
void
UI_set_default_method(const UI_METHOD *method)
{
default_UI_meth = method;
}
LCRYPTO_ALIAS(UI_set_default_method);
const UI_METHOD *
UI_get_default_method(void)
{
if (default_UI_meth == NULL)
default_UI_meth = UI_OpenSSL();
return default_UI_meth;
}
LCRYPTO_ALIAS(UI_get_default_method);
const UI_METHOD *
UI_get_method(UI *ui)
{
return ui->meth;
}
LCRYPTO_ALIAS(UI_get_method);
const UI_METHOD *
UI_set_method(UI *ui, const UI_METHOD *method)
{
ui->meth = method;
return ui->meth;
}
LCRYPTO_ALIAS(UI_set_method);
UI_METHOD *
UI_create_method(const char *name)
{
UI_METHOD *method = NULL;
if ((method = calloc(1, sizeof(UI_METHOD))) == NULL)
goto err;
if (name != NULL) {
if ((method->name = strdup(name)) == NULL)
goto err;
}
return method;
err:
UI_destroy_method(method);
return NULL;
}
LCRYPTO_ALIAS(UI_create_method);
void
UI_destroy_method(UI_METHOD *method)
{
if (method == NULL)
return;
free(method->name);
free(method);
}
LCRYPTO_ALIAS(UI_destroy_method);
int
UI_method_set_opener(UI_METHOD *method, int (*opener)(UI *ui))
{
if (method == NULL)
return -1;
method->ui_open_session = opener;
return 0;
}
LCRYPTO_ALIAS(UI_method_set_opener);
int
UI_method_set_writer(UI_METHOD *method, int (*writer)(UI *ui, UI_STRING *uis))
{
if (method == NULL)
return -1;
method->ui_write_string = writer;
return 0;
}
LCRYPTO_ALIAS(UI_method_set_writer);
int
UI_method_set_flusher(UI_METHOD *method, int (*flusher)(UI *ui))
{
if (method == NULL)
return -1;
method->ui_flush = flusher;
return 0;
}
LCRYPTO_ALIAS(UI_method_set_flusher);
int
UI_method_set_reader(UI_METHOD *method, int (*reader)(UI *ui, UI_STRING *uis))
{
if (method == NULL)
return -1;
method->ui_read_string = reader;
return 0;
}
LCRYPTO_ALIAS(UI_method_set_reader);
int
UI_method_set_closer(UI_METHOD *method, int (*closer)(UI *ui))
{
if (method == NULL)
return -1;
method->ui_close_session = closer;
return 0;
}
LCRYPTO_ALIAS(UI_method_set_closer);
int
UI_method_set_prompt_constructor(UI_METHOD *method,
char *(*prompt_constructor)(UI *ui, const char *object_desc,
const char *object_name))
{
if (method == NULL)
return -1;
method->ui_construct_prompt = prompt_constructor;
return 0;
}
LCRYPTO_ALIAS(UI_method_set_prompt_constructor);
int
(*UI_method_get_opener(const UI_METHOD * method))(UI *)
{
if (method == NULL)
return NULL;
return method->ui_open_session;
}
LCRYPTO_ALIAS(UI_method_get_opener);
int
(*UI_method_get_writer(const UI_METHOD *method))(UI *, UI_STRING *)
{
if (method == NULL)
return NULL;
return method->ui_write_string;
}
LCRYPTO_ALIAS(UI_method_get_writer);
int
(*UI_method_get_flusher(const UI_METHOD *method)) (UI *)
{
if (method == NULL)
return NULL;
return method->ui_flush;
}
LCRYPTO_ALIAS(UI_method_get_flusher);
int
(*UI_method_get_reader(const UI_METHOD *method))(UI *, UI_STRING *)
{
if (method == NULL)
return NULL;
return method->ui_read_string;
}
LCRYPTO_ALIAS(UI_method_get_reader);
int
(*UI_method_get_closer(const UI_METHOD *method))(UI *)
{
if (method == NULL)
return NULL;
return method->ui_close_session;
}
LCRYPTO_ALIAS(UI_method_get_closer);
char *
(*UI_method_get_prompt_constructor(const UI_METHOD *method))(UI *, const char *,
const char *)
{
if (method == NULL)
return NULL;
return method->ui_construct_prompt;
}
LCRYPTO_ALIAS(UI_method_get_prompt_constructor);
enum UI_string_types
UI_get_string_type(UI_STRING *uis)
{
if (uis == NULL)
return UIT_NONE;
return uis->type;
}
LCRYPTO_ALIAS(UI_get_string_type);
int
UI_get_input_flags(UI_STRING *uis)
{
if (uis == NULL)
return 0;
return uis->input_flags;
}
LCRYPTO_ALIAS(UI_get_input_flags);
const char *
UI_get0_output_string(UI_STRING *uis)
{
if (uis == NULL)
return NULL;
return uis->out_string;
}
LCRYPTO_ALIAS(UI_get0_output_string);
const char *
UI_get0_action_string(UI_STRING *uis)
{
if (uis == NULL)
return NULL;
switch (uis->type) {
case UIT_PROMPT:
case UIT_BOOLEAN:
return uis->_.boolean_data.action_desc;
default:
return NULL;
}
}
LCRYPTO_ALIAS(UI_get0_action_string);
const char *
UI_get0_result_string(UI_STRING *uis)
{
if (uis == NULL)
return NULL;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
return uis->result_buf;
default:
return NULL;
}
}
LCRYPTO_ALIAS(UI_get0_result_string);
const char *
UI_get0_test_string(UI_STRING *uis)
{
if (uis == NULL)
return NULL;
switch (uis->type) {
case UIT_VERIFY:
return uis->_.string_data.test_buf;
default:
return NULL;
}
}
LCRYPTO_ALIAS(UI_get0_test_string);
int
UI_get_result_minsize(UI_STRING *uis)
{
if (uis == NULL)
return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
return uis->_.string_data.result_minsize;
default:
return -1;
}
}
LCRYPTO_ALIAS(UI_get_result_minsize);
int
UI_get_result_maxsize(UI_STRING *uis)
{
if (uis == NULL)
return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
return uis->_.string_data.result_maxsize;
default:
return -1;
}
}
LCRYPTO_ALIAS(UI_get_result_maxsize);
int
UI_set_result(UI *ui, UI_STRING *uis, const char *result)
{
const char *p;
int l = strlen(result);
ui->flags &= ~UI_FLAG_REDOABLE;
if (uis == NULL)
return -1;
switch (uis->type) {
case UIT_PROMPT:
case UIT_VERIFY:
if (l < uis->_.string_data.result_minsize) {
ui->flags |= UI_FLAG_REDOABLE;
UIerror(UI_R_RESULT_TOO_SMALL);
ERR_asprintf_error_data
("You must type in %d to %d characters",
uis->_.string_data.result_minsize,
uis->_.string_data.result_maxsize);
return -1;
}
if (l > uis->_.string_data.result_maxsize) {
ui->flags |= UI_FLAG_REDOABLE;
UIerror(UI_R_RESULT_TOO_LARGE);
ERR_asprintf_error_data
("You must type in %d to %d characters",
uis->_.string_data.result_minsize,
uis->_.string_data.result_maxsize);
return -1;
}
if (!uis->result_buf) {
UIerror(UI_R_NO_RESULT_BUFFER);
return -1;
}
strlcpy(uis->result_buf, result,
uis->_.string_data.result_maxsize + 1);
break;
case UIT_BOOLEAN:
if (!uis->result_buf) {
UIerror(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;
}
LCRYPTO_ALIAS(UI_set_result);

152
crypto/ui/ui_local.h Normal file
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@@ -0,0 +1,152 @@
/* $OpenBSD: ui_local.h,v 1.2 2022/11/26 17:23:18 tb Exp $ */
/* 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).
*
*/
#ifndef HEADER_UI_LOCAL_H
#define HEADER_UI_LOCAL_H
#include <openssl/ui.h>
#include <openssl/crypto.h>
__BEGIN_HIDDEN_DECLS
#ifdef _
#undef _
#endif
struct ui_method_st {
char *name;
/* All the functions return 1 or non-NULL for success and 0 or NULL
for failure */
/* Open whatever channel for this, be it the console, an X window
or whatever.
This function should use the ex_data structure to save
intermediate data. */
int (*ui_open_session)(UI *ui);
int (*ui_write_string)(UI *ui, UI_STRING *uis);
/* Flush the output. If a GUI dialog box is used, this function can
be used to actually display it. */
int (*ui_flush)(UI *ui);
int (*ui_read_string)(UI *ui, UI_STRING *uis);
int (*ui_close_session)(UI *ui);
/* Construct a prompt in a user-defined manner. object_desc is a
textual short description of the object, for example "pass phrase",
and object_name is the name of the object (might be a card name or
a file name.
The returned string shall always be allocated on the heap with
malloc(), and need to be free'd with free(). */
char *(*ui_construct_prompt)(UI *ui, const char *object_desc,
const char *object_name);
};
struct ui_string_st {
enum UI_string_types type; /* Input */
const char *out_string; /* Input */
int input_flags; /* Flags from the user */
/* The following parameters are completely irrelevant for UIT_INFO,
and can therefore be set to 0 or NULL */
char *result_buf; /* Input and Output: If not NULL, user-defined
with size in result_maxsize. Otherwise, it
may be allocated by the UI routine, meaning
result_minsize is going to be overwritten.*/
union {
struct {
int result_minsize; /* Input: minimum required
size of the result.
*/
int result_maxsize; /* Input: maximum permitted
size of the result */
const char *test_buf; /* Input: test string to verify
against */
} string_data;
struct {
const char *action_desc; /* Input */
const char *ok_chars; /* Input */
const char *cancel_chars; /* Input */
} boolean_data;
} _;
#define OUT_STRING_FREEABLE 0x01
int flags; /* flags for internal use */
};
struct ui_st {
const UI_METHOD *meth;
STACK_OF(UI_STRING) *strings; /* We might want to prompt for more
than one thing at a time, and
with different echoing status. */
void *user_data;
CRYPTO_EX_DATA ex_data;
#define UI_FLAG_REDOABLE 0x0001
#define UI_FLAG_PRINT_ERRORS 0x0100
int flags;
};
__END_HIDDEN_DECLS
#endif /* !HEADER_UI_LOCAL_H */

18
crypto/ui/ui_null.c Normal file
View File

@@ -0,0 +1,18 @@
/* $OpenBSD: ui_null.c,v 1.2 2023/02/16 08:38:17 tb Exp $ */
/*
* Written by Theo Buehler. Public domain.
*/
#include "ui_local.h"
static const UI_METHOD ui_null = {
.name = "OpenSSL NULL UI",
};
const UI_METHOD *
UI_null(void)
{
return &ui_null;
}
LCRYPTO_ALIAS(UI_null);

398
crypto/ui/ui_openssl.c Normal file
View File

@@ -0,0 +1,398 @@
/* $OpenBSD: ui_openssl.c,v 1.28 2023/02/16 08:38:17 tb Exp $ */
/* Written by Richard Levitte (richard@levitte.org) and others
* 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).
*
*/
/* The lowest level part of this file was previously in crypto/des/read_pwd.c,
* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <sys/ioctl.h>
#include <openssl/opensslconf.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include "ui_local.h"
#ifndef NX509_SIG
#define NX509_SIG 32
#endif
/* Define globals. They are protected by a lock */
static struct sigaction savsig[NX509_SIG];
static struct termios tty_orig;
static FILE *tty_in, *tty_out;
static int is_a_tty;
/* Declare static functions */
static int read_till_nl(FILE *);
static void recsig(int);
static void pushsig(void);
static void popsig(void);
static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
static int read_string(UI *ui, UI_STRING *uis);
static int write_string(UI *ui, UI_STRING *uis);
static int open_console(UI *ui);
static int echo_console(UI *ui);
static int noecho_console(UI *ui);
static int close_console(UI *ui);
static UI_METHOD ui_openssl = {
.name = "OpenSSL default user interface",
.ui_open_session = open_console,
.ui_write_string = write_string,
.ui_read_string = read_string,
.ui_close_session = close_console,
};
/* The method with all the built-in thingies */
UI_METHOD *
UI_OpenSSL(void)
{
return &ui_openssl;
}
LCRYPTO_ALIAS(UI_OpenSSL);
/* The following function makes sure that info and error strings are printed
before any prompt. */
static int
write_string(UI *ui, UI_STRING *uis)
{
switch (UI_get_string_type(uis)) {
case UIT_ERROR:
case UIT_INFO:
fputs(UI_get0_output_string(uis), tty_out);
fflush(tty_out);
break;
default:
break;
}
return 1;
}
static int
read_string(UI *ui, UI_STRING *uis)
{
int ok = 0;
switch (UI_get_string_type(uis)) {
case UIT_BOOLEAN:
fputs(UI_get0_output_string(uis), tty_out);
fputs(UI_get0_action_string(uis), tty_out);
fflush(tty_out);
return read_string_inner(ui, uis,
UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0);
case UIT_PROMPT:
fputs(UI_get0_output_string(uis), tty_out);
fflush(tty_out);
return read_string_inner(ui, uis,
UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1);
case UIT_VERIFY:
fprintf(tty_out, "Verifying - %s",
UI_get0_output_string(uis));
fflush(tty_out);
if ((ok = read_string_inner(ui, uis, UI_get_input_flags(uis) &
UI_INPUT_FLAG_ECHO, 1)) <= 0)
return ok;
if (strcmp(UI_get0_result_string(uis),
UI_get0_test_string(uis)) != 0) {
fprintf(tty_out, "Verify failure\n");
fflush(tty_out);
return 0;
}
break;
default:
break;
}
return 1;
}
/* Internal functions to read a string without echoing */
static int
read_till_nl(FILE *in)
{
#define SIZE 4
char buf[SIZE + 1];
do {
if (!fgets(buf, SIZE, in))
return 0;
} while (strchr(buf, '\n') == NULL);
return 1;
}
static volatile sig_atomic_t intr_signal;
static int
read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
{
static int ps;
int ok;
char result[BUFSIZ];
int maxsize = BUFSIZ - 1;
char *p;
intr_signal = 0;
ok = 0;
ps = 0;
pushsig();
ps = 1;
if (!echo && !noecho_console(ui))
goto error;
ps = 2;
result[0] = '\0';
p = fgets(result, maxsize, tty_in);
if (!p)
goto error;
if (feof(tty_in))
goto error;
if (ferror(tty_in))
goto error;
if ((p = strchr(result, '\n')) != NULL) {
if (strip_nl)
*p = '\0';
} else if (!read_till_nl(tty_in))
goto error;
if (UI_set_result(ui, uis, result) >= 0)
ok = 1;
error:
if (intr_signal == SIGINT)
ok = -1;
if (!echo)
fprintf(tty_out, "\n");
if (ps >= 2 && !echo && !echo_console(ui))
ok = 0;
if (ps >= 1)
popsig();
explicit_bzero(result, BUFSIZ);
return ok;
}
/* Internal functions to open, handle and close a channel to the console. */
static int
open_console(UI *ui)
{
CRYPTO_w_lock(CRYPTO_LOCK_UI);
is_a_tty = 1;
#define DEV_TTY "/dev/tty"
if ((tty_in = fopen(DEV_TTY, "r")) == NULL)
tty_in = stdin;
if ((tty_out = fopen(DEV_TTY, "w")) == NULL)
tty_out = stderr;
if (tcgetattr(fileno(tty_in), &tty_orig) == -1) {
if (errno == ENOTTY)
is_a_tty = 0;
else
/*
* Ariel Glenn ariel@columbia.edu reports that
* solaris can return EINVAL instead. This should be
* ok
*/
if (errno == EINVAL)
is_a_tty = 0;
else
return 0;
}
return 1;
}
static int
noecho_console(UI *ui)
{
struct termios tty_new = tty_orig;
tty_new.c_lflag &= ~ECHO;
if (is_a_tty && (tcsetattr(fileno(tty_in), TCSANOW, &tty_new) == -1))
return 0;
return 1;
}
static int
echo_console(UI *ui)
{
if (is_a_tty && (tcsetattr(fileno(tty_in), TCSANOW, &tty_orig) == -1))
return 0;
return 1;
}
static int
close_console(UI *ui)
{
if (tty_in != stdin)
fclose(tty_in);
if (tty_out != stderr)
fclose(tty_out);
CRYPTO_w_unlock(CRYPTO_LOCK_UI);
return 1;
}
/* Internal functions to handle signals and act on them */
static void
pushsig(void)
{
int i;
struct sigaction sa;
memset(&sa, 0, sizeof sa);
sa.sa_handler = recsig;
for (i = 1; i < NX509_SIG; i++) {
if (i == SIGUSR1)
continue;
if (i == SIGUSR2)
continue;
if (i == SIGKILL) /* We can't make any action on that. */
continue;
sigaction(i, &sa, &savsig[i]);
}
signal(SIGWINCH, SIG_DFL);
}
static void
popsig(void)
{
int i;
for (i = 1; i < NX509_SIG; i++) {
if (i == SIGUSR1)
continue;
if (i == SIGUSR2)
continue;
sigaction(i, &savsig[i], NULL);
}
}
static void
recsig(int i)
{
intr_signal = i;
}

379
crypto/ui/ui_openssl_win.c Normal file
View File

@@ -0,0 +1,379 @@
/* $OpenBSD: ui_openssl.c,v 1.22 2014/07/11 08:44:49 jsing Exp $ */
/* Written by Richard Levitte (richard@levitte.org) and others
* 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).
*
*/
/* The lowest level part of this file was previously in crypto/des/read_pwd.c,
* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <sys/ioctl.h>
#include <openssl/opensslconf.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "ui_local.h"
#ifndef NX509_SIG
#define NX509_SIG 32
#endif
/* Define globals. They are protected by a lock */
static void (*savsig[NX509_SIG])(int );
DWORD console_mode;
static FILE *tty_in, *tty_out;
static int is_a_tty;
/* Declare static functions */
static int read_till_nl(FILE *);
static void recsig(int);
static void pushsig(void);
static void popsig(void);
static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
static int read_string(UI *ui, UI_STRING *uis);
static int write_string(UI *ui, UI_STRING *uis);
static int open_console(UI *ui);
static int echo_console(UI *ui);
static int noecho_console(UI *ui);
static int close_console(UI *ui);
static UI_METHOD ui_openssl = {
.name = "OpenSSL default user interface",
.ui_open_session = open_console,
.ui_write_string = write_string,
.ui_read_string = read_string,
.ui_close_session = close_console,
};
/* The method with all the built-in thingies */
UI_METHOD *
UI_OpenSSL(void)
{
return &ui_openssl;
}
/* The following function makes sure that info and error strings are printed
before any prompt. */
static int
write_string(UI *ui, UI_STRING *uis)
{
switch (UI_get_string_type(uis)) {
case UIT_ERROR:
case UIT_INFO:
fputs(UI_get0_output_string(uis), tty_out);
fflush(tty_out);
break;
default:
break;
}
return 1;
}
static int
read_string(UI *ui, UI_STRING *uis)
{
int ok = 0;
switch (UI_get_string_type(uis)) {
case UIT_BOOLEAN:
fputs(UI_get0_output_string(uis), tty_out);
fputs(UI_get0_action_string(uis), tty_out);
fflush(tty_out);
return read_string_inner(ui, uis,
UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0);
case UIT_PROMPT:
fputs(UI_get0_output_string(uis), tty_out);
fflush(tty_out);
return read_string_inner(ui, uis,
UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1);
case UIT_VERIFY:
fprintf(tty_out, "Verifying - %s",
UI_get0_output_string(uis));
fflush(tty_out);
if ((ok = read_string_inner(ui, uis, UI_get_input_flags(uis) &
UI_INPUT_FLAG_ECHO, 1)) <= 0)
return ok;
if (strcmp(UI_get0_result_string(uis),
UI_get0_test_string(uis)) != 0) {
fprintf(tty_out, "Verify failure\n");
fflush(tty_out);
return 0;
}
break;
default:
break;
}
return 1;
}
/* Internal functions to read a string without echoing */
static int
read_till_nl(FILE *in)
{
#define SIZE 4
char buf[SIZE + 1];
do {
if (!fgets(buf, SIZE, in))
return 0;
} while (strchr(buf, '\n') == NULL);
return 1;
}
static volatile sig_atomic_t intr_signal;
static int
read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
{
static int ps;
int ok;
char result[BUFSIZ];
int maxsize = BUFSIZ - 1;
char *p;
intr_signal = 0;
ok = 0;
ps = 0;
pushsig();
ps = 1;
if (!echo && !noecho_console(ui))
goto error;
ps = 2;
result[0] = '\0';
p = fgets(result, maxsize, tty_in);
if (!p)
goto error;
if (feof(tty_in))
goto error;
if (ferror(tty_in))
goto error;
if ((p = strchr(result, '\n')) != NULL) {
if (strip_nl)
*p = '\0';
} else if (!read_till_nl(tty_in))
goto error;
if (UI_set_result(ui, uis, result) >= 0)
ok = 1;
error:
if (intr_signal == SIGINT)
ok = -1;
if (!echo)
fprintf(tty_out, "\n");
if (ps >= 2 && !echo && !echo_console(ui))
ok = 0;
if (ps >= 1)
popsig();
explicit_bzero(result, BUFSIZ);
return ok;
}
/* Internal functions to open, handle and close a channel to the console. */
static int
open_console(UI *ui)
{
CRYPTO_w_lock(CRYPTO_LOCK_UI);
is_a_tty = 1;
tty_in = stdin;
tty_out = stderr;
HANDLE handle = GetStdHandle(STD_INPUT_HANDLE);
if (handle != NULL && handle != INVALID_HANDLE_VALUE) {
if (GetFileType(handle) == FILE_TYPE_CHAR)
return GetConsoleMode(handle, &console_mode);
else
return 1;
}
return 0;
}
static int
noecho_console(UI *ui)
{
HANDLE handle = GetStdHandle(STD_INPUT_HANDLE);
if (handle != NULL && handle != INVALID_HANDLE_VALUE) {
if (GetFileType(handle) == FILE_TYPE_CHAR)
return SetConsoleMode(handle, console_mode & ~ENABLE_ECHO_INPUT);
else
return 1;
}
return 0;
}
static int
echo_console(UI *ui)
{
HANDLE handle = GetStdHandle(STD_INPUT_HANDLE);
if (handle != NULL && handle != INVALID_HANDLE_VALUE) {
if (GetFileType(handle) == FILE_TYPE_CHAR)
return SetConsoleMode(handle, console_mode);
else
return 1;
}
return 0;
}
static int
close_console(UI *ui)
{
if (tty_in != stdin)
fclose(tty_in);
if (tty_out != stderr)
fclose(tty_out);
CRYPTO_w_unlock(CRYPTO_LOCK_UI);
return 1;
}
/* Internal functions to handle signals and act on them */
static void
pushsig(void)
{
savsig[SIGABRT] = signal(SIGABRT, recsig);
savsig[SIGFPE] = signal(SIGFPE, recsig);
savsig[SIGILL] = signal(SIGILL, recsig);
savsig[SIGINT] = signal(SIGINT, recsig);
savsig[SIGSEGV] = signal(SIGSEGV, recsig);
savsig[SIGTERM] = signal(SIGTERM, recsig);
}
static void
popsig(void)
{
signal(SIGABRT, savsig[SIGABRT]);
signal(SIGFPE, savsig[SIGFPE]);
signal(SIGILL, savsig[SIGILL]);
signal(SIGINT, savsig[SIGINT]);
signal(SIGSEGV, savsig[SIGSEGV]);
signal(SIGTERM, savsig[SIGTERM]);
}
static void
recsig(int i)
{
intr_signal = i;
}

98
crypto/ui/ui_util.c Normal file
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@@ -0,0 +1,98 @@
/* $OpenBSD: ui_util.c,v 1.14 2023/02/16 08:38:17 tb Exp $ */
/* ====================================================================
* Copyright (c) 2001-2002 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 <openssl/ui_compat.h>
#include "ui_local.h"
int
UI_UTIL_read_pw_string(char *buf, int length, const char *prompt, int verify)
{
char buff[BUFSIZ];
int ret;
ret = UI_UTIL_read_pw(buf, buff, (length > BUFSIZ) ? BUFSIZ : length,
prompt, verify);
explicit_bzero(buff, BUFSIZ);
return (ret);
}
LCRYPTO_ALIAS(UI_UTIL_read_pw_string);
int
UI_UTIL_read_pw(char *buf, char *buff, int size, const char *prompt, int verify)
{
int ok = 0;
UI *ui;
if (size < 1)
return -1;
ui = UI_new();
if (ui) {
ok = UI_add_input_string(ui, prompt, 0, buf, 0, size - 1);
if (ok >= 0 && verify)
ok = UI_add_verify_string(ui, prompt, 0, buff, 0,
size - 1, buf);
if (ok >= 0)
ok = UI_process(ui);
UI_free(ui);
}
if (ok > 0)
ok = 0;
return (ok);
}
LCRYPTO_ALIAS(UI_UTIL_read_pw);