OpenSSL 0.9.7 stable 2002 05 08 merge

1 files changed, 899 insertions, 0 deletions

diff --git a/src/lib/libcrypto/ui/ui_lib.c b/src/lib/libcrypto/ui/ui_lib.c
new file mode 100644
index 0000000000..16946cad95
--- /dev/null
+++ b/src/lib/libcrypto/ui/ui_lib.c
@@ -0,0 +1,899 @@
+/* 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 <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;
+        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 (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 0 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);
+                strcpy(prompt, prompt1);
+                strcat(prompt, object_desc);
+                if (object_name)
+                        {
+                        strcat(prompt, prompt2);
+                        strcat(prompt, object_name);
+                        }
+                strcat(prompt, prompt3);
+                }
+        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)())
+        {
+        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_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;
+        }
+
+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[20];
+                char number2[20];
+
+                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;
+                        }
+
+                strcpy(uis->result_buf, result);
+                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;
+        }