/src/openssl30/crypto/passphrase.c

Source
/*
 * Copyright 2020-2022 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 <openssl/err.h>
#include <openssl/ui.h>
#include <openssl/core_names.h>
#include "internal/cryptlib.h"
#include "internal/passphrase.h"

void ossl_pw_clear_passphrase_data(struct ossl_passphrase_data_st *data)
{
    if (data != NULL) {
        if (data->type == is_expl_passphrase)
            OPENSSL_clear_free(data->_.expl_passphrase.passphrase_copy,
                data->_.expl_passphrase.passphrase_len);
        ossl_pw_clear_passphrase_cache(data);
        memset(data, 0, sizeof(*data));
    }
}

void ossl_pw_clear_passphrase_cache(struct ossl_passphrase_data_st *data)
{
    OPENSSL_clear_free(data->cached_passphrase, data->cached_passphrase_len);
    data->cached_passphrase = NULL;
}

int ossl_pw_set_passphrase(struct ossl_passphrase_data_st *data,
    const unsigned char *passphrase,
    size_t passphrase_len)
{
    if (!ossl_assert(data != NULL && passphrase != NULL)) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
        return 0;
    }
    ossl_pw_clear_passphrase_data(data);
    data->type = is_expl_passphrase;
    data->_.expl_passphrase.passphrase_copy = passphrase_len != 0 ? OPENSSL_memdup(passphrase, passphrase_len)
                                                                  : OPENSSL_malloc(1);
    if (data->_.expl_passphrase.passphrase_copy == NULL) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
        return 0;
    }
    data->_.expl_passphrase.passphrase_len = passphrase_len;
    return 1;
}

int ossl_pw_set_pem_password_cb(struct ossl_passphrase_data_st *data,
    pem_password_cb *cb, void *cbarg)
{
    if (!ossl_assert(data != NULL && cb != NULL)) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
        return 0;
    }
    ossl_pw_clear_passphrase_data(data);
    data->type = is_pem_password;
    data->_.pem_password.password_cb = cb;
    data->_.pem_password.password_cbarg = cbarg;
    return 1;
}

int ossl_pw_set_ossl_passphrase_cb(struct ossl_passphrase_data_st *data,
    OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
{
    if (!ossl_assert(data != NULL && cb != NULL)) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
        return 0;
    }
    ossl_pw_clear_passphrase_data(data);
    data->type = is_ossl_passphrase;
    data->_.ossl_passphrase.passphrase_cb = cb;
    data->_.ossl_passphrase.passphrase_cbarg = cbarg;
    return 1;
}

int ossl_pw_set_ui_method(struct ossl_passphrase_data_st *data,
    const UI_METHOD *ui_method, void *ui_data)
{
    if (!ossl_assert(data != NULL && ui_method != NULL)) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
        return 0;
    }
    ossl_pw_clear_passphrase_data(data);
    data->type = is_ui_method;
    data->_.ui_method.ui_method = ui_method;
    data->_.ui_method.ui_method_data = ui_data;
    return 1;
}

int ossl_pw_enable_passphrase_caching(struct ossl_passphrase_data_st *data)
{
    data->flag_cache_passphrase = 1;
    return 1;
}

int ossl_pw_disable_passphrase_caching(struct ossl_passphrase_data_st *data)
{
    data->flag_cache_passphrase = 0;
    return 1;
}

/*-
 * UI_METHOD processor.  It differs from UI_UTIL_read_pw() like this:
 *
 * 1.  It constructs a prompt on its own, based on |prompt_info|.
 * 2.  It allocates a buffer for password and verification on its own
 *     to compensate for NUL terminator in UI password strings.
 * 3.  It raises errors.
 * 4.  It reports back the length of the prompted pass phrase.
 */
static int do_ui_passphrase(char *pass, size_t pass_size, size_t *pass_len,
    const char *prompt_info, int verify,
    const UI_METHOD *ui_method, void *ui_data)
{
    char *prompt = NULL, *ipass = NULL, *vpass = NULL;
    int prompt_idx = -1, verify_idx = -1, res;
    UI *ui = NULL;
    int ret = 0;

    if (!ossl_assert(pass != NULL && pass_size != 0 && pass_len != NULL)) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
        return 0;
    }

    if ((ui = UI_new()) == NULL) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
        return 0;
    }

    if (ui_method != NULL) {
        UI_set_method(ui, ui_method);
        if (ui_data != NULL)
            UI_add_user_data(ui, ui_data);
    }

    /* Get an application constructed prompt */
    prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
    if (prompt == NULL) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
        goto end;
    }

    /* Get a buffer for verification prompt */
    ipass = OPENSSL_zalloc(pass_size + 1);
    if (ipass == NULL) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
        goto end;
    }

    prompt_idx = UI_add_input_string(ui, prompt,
                     UI_INPUT_FLAG_DEFAULT_PWD,
                     ipass, 0, pass_size)
        - 1;
    if (prompt_idx < 0) {
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
        goto end;
    }

    if (verify) {
        /* Get a buffer for verification prompt */
        vpass = OPENSSL_zalloc(pass_size + 1);
        if (vpass == NULL) {
            ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
            goto end;
        }
        verify_idx = UI_add_verify_string(ui, prompt,
                         UI_INPUT_FLAG_DEFAULT_PWD,
                         vpass, 0, pass_size,
                         ipass)
            - 1;
        if (verify_idx < 0) {
            ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
            goto end;
        }
    }

    switch (UI_process(ui)) {
    case -2:
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_INTERRUPTED_OR_CANCELLED);
        break;
    case -1:
        ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
        break;
    default:
        res = UI_get_result_length(ui, prompt_idx);
        if (res < 0) {
            ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
            break;
        }
        *pass_len = (size_t)res;
        memcpy(pass, ipass, *pass_len);
        ret = 1;
        break;
    }

end:
    OPENSSL_clear_free(vpass, pass_size + 1);
    OPENSSL_clear_free(ipass, pass_size + 1);
    OPENSSL_free(prompt);
    UI_free(ui);
    return ret;
}

/* Central pw prompting dispatcher */
int ossl_pw_get_passphrase(char *pass, size_t pass_size, size_t *pass_len,
    const OSSL_PARAM params[], int verify,
    struct ossl_passphrase_data_st *data)
{
    const char *source = NULL;
    size_t source_len = 0;
    const char *prompt_info = NULL;
    const UI_METHOD *ui_method = NULL;
    UI_METHOD *allocated_ui_method = NULL;
    void *ui_data = NULL;
    const OSSL_PARAM *p = NULL;
    int ret;

    /* Handle explicit and cached passphrases */

    if (data->type == is_expl_passphrase) {
        source = data->_.expl_passphrase.passphrase_copy;
        source_len = data->_.expl_passphrase.passphrase_len;
    } else if (data->flag_cache_passphrase && data->cached_passphrase != NULL) {
        source = data->cached_passphrase;
        source_len = data->cached_passphrase_len;
    }

    if (source != NULL) {
        if (source_len > pass_size)
            source_len = pass_size;
        memcpy(pass, source, source_len);
        *pass_len = source_len;
        return 1;
    }

    /* Handle the is_ossl_passphrase case...  that's pretty direct */

    if (data->type == is_ossl_passphrase) {
        OSSL_PASSPHRASE_CALLBACK *cb = data->_.ossl_passphrase.passphrase_cb;
        void *cbarg = data->_.ossl_passphrase.passphrase_cbarg;

        ret = cb(pass, pass_size, pass_len, params, cbarg);
        goto do_cache;
    }

    /* Handle the is_pem_password and is_ui_method cases */

    if ((p = OSSL_PARAM_locate_const(params,
             OSSL_PASSPHRASE_PARAM_INFO))
        != NULL) {
        if (p->data_type != OSSL_PARAM_UTF8_STRING) {
            ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_PASSED_INVALID_ARGUMENT,
                "Prompt info data type incorrect");
            return 0;
        }
        prompt_info = p->data;
    }

    if (data->type == is_pem_password) {
        /* We use a UI wrapper for PEM */
        pem_password_cb *cb = data->_.pem_password.password_cb;

        ui_method = allocated_ui_method = UI_UTIL_wrap_read_pem_callback(cb, verify);
        ui_data = data->_.pem_password.password_cbarg;

        if (ui_method == NULL) {
            ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
            return 0;
        }
    } else if (data->type == is_ui_method) {
        ui_method = data->_.ui_method.ui_method;
        ui_data = data->_.ui_method.ui_method_data;
    }

    if (ui_method == NULL) {
        ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_PASSED_INVALID_ARGUMENT,
            "No password method specified");
        return 0;
    }

    ret = do_ui_passphrase(pass, pass_size, pass_len, prompt_info, verify,
        ui_method, ui_data);

    UI_destroy_method(allocated_ui_method);

do_cache:
    if (ret && data->flag_cache_passphrase) {
        if (data->cached_passphrase == NULL
            || *pass_len > data->cached_passphrase_len) {
            void *new_cache = OPENSSL_clear_realloc(data->cached_passphrase,
                data->cached_passphrase_len,
                *pass_len + 1);

            if (new_cache == NULL) {
                OPENSSL_cleanse(pass, *pass_len);
                ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
                return 0;
            }
            data->cached_passphrase = new_cache;
        }
        memcpy(data->cached_passphrase, pass, *pass_len);
        data->cached_passphrase[*pass_len] = '\0';
        data->cached_passphrase_len = *pass_len;
    }

    return ret;
}

static int ossl_pw_get_password(char *buf, int size, int rwflag,
    void *userdata, const char *info)
{
    size_t password_len = 0;
    OSSL_PARAM params[] = {
        OSSL_PARAM_utf8_string(OSSL_PASSPHRASE_PARAM_INFO, NULL, 0),
        OSSL_PARAM_END
    };

    params[0].data = (void *)info;
    if (ossl_pw_get_passphrase(buf, (size_t)size, &password_len, params,
            rwflag, userdata))
        return (int)password_len;
    return -1;
}

int ossl_pw_pem_password(char *buf, int size, int rwflag, void *userdata)
{
    return ossl_pw_get_password(buf, size, rwflag, userdata, "PEM");
}

int ossl_pw_pvk_password(char *buf, int size, int rwflag, void *userdata)
{
    return ossl_pw_get_password(buf, size, rwflag, userdata, "PVK");
}

int ossl_pw_passphrase_callback_enc(char *pass, size_t pass_size,
    size_t *pass_len,
    const OSSL_PARAM params[], void *arg)
{
    return ossl_pw_get_passphrase(pass, pass_size, pass_len, params, 1, arg);
}

int ossl_pw_passphrase_callback_dec(char *pass, size_t pass_size,
    size_t *pass_len,
    const OSSL_PARAM params[], void *arg)
{
    return ossl_pw_get_passphrase(pass, pass_size, pass_len, params, 0, arg);
}

Coverage Report

Created: 2025-12-31 06:58

Line	Count	Source
1		/*
2		* Copyright 2020-2022 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <openssl/err.h>
11		#include <openssl/ui.h>
12		#include <openssl/core_names.h>
13		#include "internal/cryptlib.h"
14		#include "internal/passphrase.h"
15
16		void ossl_pw_clear_passphrase_data(struct ossl_passphrase_data_st *data)
17	2.50M	{
18	2.50M	if (data != NULL) {
19	2.50M	if (data->type == is_expl_passphrase)
20	0	OPENSSL_clear_free(data->_.expl_passphrase.passphrase_copy,
21	2.50M	data->_.expl_passphrase.passphrase_len);
22	2.50M	ossl_pw_clear_passphrase_cache(data);
23	2.50M	memset(data, 0, sizeof(*data));
24	2.50M	}
25	2.50M	}
26
27		void ossl_pw_clear_passphrase_cache(struct ossl_passphrase_data_st *data)
28	3.74M	{
29	3.74M	OPENSSL_clear_free(data->cached_passphrase, data->cached_passphrase_len);
30	3.74M	data->cached_passphrase = NULL;
31	3.74M	}
32
33		int ossl_pw_set_passphrase(struct ossl_passphrase_data_st *data,
34		const unsigned char *passphrase,
35		size_t passphrase_len)
36	0	{
37	0	if (!ossl_assert(data != NULL && passphrase != NULL)) {
38	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
39	0	return 0;
40	0	}
41	0	ossl_pw_clear_passphrase_data(data);
42	0	data->type = is_expl_passphrase;
43	0	data->_.expl_passphrase.passphrase_copy = passphrase_len != 0 ? OPENSSL_memdup(passphrase, passphrase_len)
44	0	: OPENSSL_malloc(1);
45	0	if (data->_.expl_passphrase.passphrase_copy == NULL) {
46	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
47	0	return 0;
48	0	}
49	0	data->_.expl_passphrase.passphrase_len = passphrase_len;
50	0	return 1;
51	0	}
52
53		int ossl_pw_set_pem_password_cb(struct ossl_passphrase_data_st *data,
54		pem_password_cb cb, void cbarg)
55	249k	{
56	249k	if (!ossl_assert(data != NULL && cb != NULL)) {
57	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
58	0	return 0;
59	0	}
60	249k	ossl_pw_clear_passphrase_data(data);
61	249k	data->type = is_pem_password;
62	249k	data->_.pem_password.password_cb = cb;
63	249k	data->_.pem_password.password_cbarg = cbarg;
64	249k	return 1;
65	249k	}
66
67		int ossl_pw_set_ossl_passphrase_cb(struct ossl_passphrase_data_st *data,
68		OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
69	57.0k	{
70	57.0k	if (!ossl_assert(data != NULL && cb != NULL)) {
71	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
72	0	return 0;
73	0	}
74	57.0k	ossl_pw_clear_passphrase_data(data);
75	57.0k	data->type = is_ossl_passphrase;
76	57.0k	data->_.ossl_passphrase.passphrase_cb = cb;
77	57.0k	data->_.ossl_passphrase.passphrase_cbarg = cbarg;
78	57.0k	return 1;
79	57.0k	}
80
81		int ossl_pw_set_ui_method(struct ossl_passphrase_data_st *data,
82		const UI_METHOD ui_method, void ui_data)
83	0	{
84	0	if (!ossl_assert(data != NULL && ui_method != NULL)) {
85	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
86	0	return 0;
87	0	}
88	0	ossl_pw_clear_passphrase_data(data);
89	0	data->type = is_ui_method;
90	0	data->_.ui_method.ui_method = ui_method;
91	0	data->_.ui_method.ui_method_data = ui_data;
92	0	return 1;
93	0	}
94
95		int ossl_pw_enable_passphrase_caching(struct ossl_passphrase_data_st *data)
96	1.36M	{
97	1.36M	data->flag_cache_passphrase = 1;
98	1.36M	return 1;
99	1.36M	}
100
101		int ossl_pw_disable_passphrase_caching(struct ossl_passphrase_data_st *data)
102	0	{
103	0	data->flag_cache_passphrase = 0;
104	0	return 1;
105	0	}
106
107		/*-
108		* UI_METHOD processor. It differs from UI_UTIL_read_pw() like this:
109		*
110		* 1. It constructs a prompt on its own, based on \|prompt_info\|.
111		* 2. It allocates a buffer for password and verification on its own
112		* to compensate for NUL terminator in UI password strings.
113		* 3. It raises errors.
114		* 4. It reports back the length of the prompted pass phrase.
115		*/
116		static int do_ui_passphrase(char pass, size_t pass_size, size_t pass_len,
117		const char *prompt_info, int verify,
118		const UI_METHOD ui_method, void ui_data)
119	0	{
120	0	char prompt = NULL, ipass = NULL, *vpass = NULL;
121	0	int prompt_idx = -1, verify_idx = -1, res;
122	0	UI *ui = NULL;
123	0	int ret = 0;
124
125	0	if (!ossl_assert(pass != NULL && pass_size != 0 && pass_len != NULL)) {
126	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
127	0	return 0;
128	0	}
129
130	0	if ((ui = UI_new()) == NULL) {
131	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
132	0	return 0;
133	0	}
134
135	0	if (ui_method != NULL) {
136	0	UI_set_method(ui, ui_method);
137	0	if (ui_data != NULL)
138	0	UI_add_user_data(ui, ui_data);
139	0	}
140
141		/* Get an application constructed prompt */
142	0	prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
143	0	if (prompt == NULL) {
144	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
145	0	goto end;
146	0	}
147
148		/* Get a buffer for verification prompt */
149	0	ipass = OPENSSL_zalloc(pass_size + 1);
150	0	if (ipass == NULL) {
151	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
152	0	goto end;
153	0	}
154
155	0	prompt_idx = UI_add_input_string(ui, prompt,
156	0	UI_INPUT_FLAG_DEFAULT_PWD,
157	0	ipass, 0, pass_size)
158	0	- 1;
159	0	if (prompt_idx < 0) {
160	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
161	0	goto end;
162	0	}
163
164	0	if (verify) {
165		/* Get a buffer for verification prompt */
166	0	vpass = OPENSSL_zalloc(pass_size + 1);
167	0	if (vpass == NULL) {
168	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
169	0	goto end;
170	0	}
171	0	verify_idx = UI_add_verify_string(ui, prompt,
172	0	UI_INPUT_FLAG_DEFAULT_PWD,
173	0	vpass, 0, pass_size,
174	0	ipass)
175	0	- 1;
176	0	if (verify_idx < 0) {
177	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
178	0	goto end;
179	0	}
180	0	}
181
182	0	switch (UI_process(ui)) {
183	0	case -2:
184	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_INTERRUPTED_OR_CANCELLED);
185	0	break;
186	0	case -1:
187	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
188	0	break;
189	0	default:
190	0	res = UI_get_result_length(ui, prompt_idx);
191	0	if (res < 0) {
192	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
193	0	break;
194	0	}
195	0	*pass_len = (size_t)res;
196	0	memcpy(pass, ipass, *pass_len);
197	0	ret = 1;
198	0	break;
199	0	}
200
201	0	end:
202	0	OPENSSL_clear_free(vpass, pass_size + 1);
203	0	OPENSSL_clear_free(ipass, pass_size + 1);
204	0	OPENSSL_free(prompt);
205	0	UI_free(ui);
206	0	return ret;
207	0	}
208
209		/* Central pw prompting dispatcher */
210		int ossl_pw_get_passphrase(char pass, size_t pass_size, size_t pass_len,
211		const OSSL_PARAM params[], int verify,
212		struct ossl_passphrase_data_st *data)
213	252	{
214	252	const char *source = NULL;
215	252	size_t source_len = 0;
216	252	const char *prompt_info = NULL;
217	252	const UI_METHOD *ui_method = NULL;
218	252	UI_METHOD *allocated_ui_method = NULL;
219	252	void *ui_data = NULL;
220	252	const OSSL_PARAM *p = NULL;
221	252	int ret;
222
223		/* Handle explicit and cached passphrases */
224
225	252	if (data->type == is_expl_passphrase) {
226	0	source = data->_.expl_passphrase.passphrase_copy;
227	0	source_len = data->_.expl_passphrase.passphrase_len;
228	252	} else if (data->flag_cache_passphrase && data->cached_passphrase != NULL) {
229	0	source = data->cached_passphrase;
230	0	source_len = data->cached_passphrase_len;
231	0	}
232
233	252	if (source != NULL) {
234	0	if (source_len > pass_size)
235	0	source_len = pass_size;
236	0	memcpy(pass, source, source_len);
237	0	*pass_len = source_len;
238	0	return 1;
239	0	}
240
241		/* Handle the is_ossl_passphrase case... that's pretty direct */
242
243	252	if (data->type == is_ossl_passphrase) {
244	21	OSSL_PASSPHRASE_CALLBACK *cb = data->_.ossl_passphrase.passphrase_cb;
245	21	void *cbarg = data->_.ossl_passphrase.passphrase_cbarg;
246
247	21	ret = cb(pass, pass_size, pass_len, params, cbarg);
248	21	goto do_cache;
249	21	}
250
251		/* Handle the is_pem_password and is_ui_method cases */
252
253	231	if ((p = OSSL_PARAM_locate_const(params,
254	231	OSSL_PASSPHRASE_PARAM_INFO))
255	231	!= NULL) {
256	21	if (p->data_type != OSSL_PARAM_UTF8_STRING) {
257	0	ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_PASSED_INVALID_ARGUMENT,
258	0	"Prompt info data type incorrect");
259	0	return 0;
260	0	}
261	21	prompt_info = p->data;
262	21	}
263
264	231	if (data->type == is_pem_password) {
265		/* We use a UI wrapper for PEM */
266	0	pem_password_cb *cb = data->_.pem_password.password_cb;
267
268	0	ui_method = allocated_ui_method = UI_UTIL_wrap_read_pem_callback(cb, verify);
269	0	ui_data = data->_.pem_password.password_cbarg;
270
271	0	if (ui_method == NULL) {
272	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
273	0	return 0;
274	0	}
275	231	} else if (data->type == is_ui_method) {
276	0	ui_method = data->_.ui_method.ui_method;
277	0	ui_data = data->_.ui_method.ui_method_data;
278	0	}
279
280	231	if (ui_method == NULL) {
281	231	ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_PASSED_INVALID_ARGUMENT,
282	231	"No password method specified");
283	231	return 0;
284	231	}
285
286	0	ret = do_ui_passphrase(pass, pass_size, pass_len, prompt_info, verify,
287	0	ui_method, ui_data);
288
289	0	UI_destroy_method(allocated_ui_method);
290
291	21	do_cache:
292	21	if (ret && data->flag_cache_passphrase) {
293	0	if (data->cached_passphrase == NULL
294	0	\|\| *pass_len > data->cached_passphrase_len) {
295	0	void *new_cache = OPENSSL_clear_realloc(data->cached_passphrase,
296	0	data->cached_passphrase_len,
297	0	*pass_len + 1);
298
299	0	if (new_cache == NULL) {
300	0	OPENSSL_cleanse(pass, *pass_len);
301	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
302	0	return 0;
303	0	}
304	0	data->cached_passphrase = new_cache;
305	0	}
306	0	memcpy(data->cached_passphrase, pass, *pass_len);
307	0	data->cached_passphrase[*pass_len] = '\0';
308	0	data->cached_passphrase_len = *pass_len;
309	0	}
310
311	21	return ret;
312	21	}
313
314		static int ossl_pw_get_password(char *buf, int size, int rwflag,
315		void userdata, const char info)
316	21	{
317	21	size_t password_len = 0;
318	21	OSSL_PARAM params[] = {
319	21	OSSL_PARAM_utf8_string(OSSL_PASSPHRASE_PARAM_INFO, NULL, 0),
320	21	OSSL_PARAM_END
321	21	};
322
323	21	params[0].data = (void *)info;
324	21	if (ossl_pw_get_passphrase(buf, (size_t)size, &password_len, params,
325	21	rwflag, userdata))
326	0	return (int)password_len;
327	21	return -1;
328	21	}
329
330		int ossl_pw_pem_password(char buf, int size, int rwflag, void userdata)
331	0	{
332	0	return ossl_pw_get_password(buf, size, rwflag, userdata, "PEM");
333	0	}
334
335		int ossl_pw_pvk_password(char buf, int size, int rwflag, void userdata)
336	21	{
337	21	return ossl_pw_get_password(buf, size, rwflag, userdata, "PVK");
338	21	}
339
340		int ossl_pw_passphrase_callback_enc(char *pass, size_t pass_size,
341		size_t *pass_len,
342		const OSSL_PARAM params[], void *arg)
343	0	{
344	0	return ossl_pw_get_passphrase(pass, pass_size, pass_len, params, 1, arg);
345	0	}
346
347		int ossl_pw_passphrase_callback_dec(char *pass, size_t pass_size,
348		size_t *pass_len,
349		const OSSL_PARAM params[], void *arg)
350	231	{
351	231	return ossl_pw_get_passphrase(pass, pass_size, pass_len, params, 0, arg);
352	231	}