/src/openssl30/crypto/passphrase.c

Source (jump to first uncovered line)
/*
 * 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: 2025-06-13 06:58

Line	Count	Source (jump to first uncovered line)
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	1.53M	{
18	1.53M	if (data != NULL) {
19	1.53M	if (data->type == is_expl_passphrase)
20	0	OPENSSL_clear_free(data->_.expl_passphrase.passphrase_copy,
21	1.53M	data->_.expl_passphrase.passphrase_len);
22	1.53M	ossl_pw_clear_passphrase_cache(data);
23	1.53M	memset(data, 0, sizeof(*data));
24	1.53M	}
25	1.53M	}
26
27		void ossl_pw_clear_passphrase_cache(struct ossl_passphrase_data_st *data)
28	2.45M	{
29	2.45M	OPENSSL_clear_free(data->cached_passphrase, data->cached_passphrase_len);
30	2.45M	data->cached_passphrase = NULL;
31	2.45M	}
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 =
44	0	passphrase_len != 0 ? OPENSSL_memdup(passphrase, passphrase_len)
45	0	: OPENSSL_malloc(1);
46	0	if (data->_.expl_passphrase.passphrase_copy == NULL) {
47	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
48	0	return 0;
49	0	}
50	0	data->_.expl_passphrase.passphrase_len = passphrase_len;
51	0	return 1;
52	0	}
53
54		int ossl_pw_set_pem_password_cb(struct ossl_passphrase_data_st *data,
55		pem_password_cb cb, void cbarg)
56	110k	{
57	110k	if (!ossl_assert(data != NULL && cb != NULL)) {
58	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
59	0	return 0;
60	0	}
61	110k	ossl_pw_clear_passphrase_data(data);
62	110k	data->type = is_pem_password;
63	110k	data->_.pem_password.password_cb = cb;
64	110k	data->_.pem_password.password_cbarg = cbarg;
65	110k	return 1;
66	110k	}
67
68		int ossl_pw_set_ossl_passphrase_cb(struct ossl_passphrase_data_st *data,
69		OSSL_PASSPHRASE_CALLBACK cb, void cbarg)
70	24.1k	{
71	24.1k	if (!ossl_assert(data != NULL && cb != NULL)) {
72	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
73	0	return 0;
74	0	}
75	24.1k	ossl_pw_clear_passphrase_data(data);
76	24.1k	data->type = is_ossl_passphrase;
77	24.1k	data->_.ossl_passphrase.passphrase_cb = cb;
78	24.1k	data->_.ossl_passphrase.passphrase_cbarg = cbarg;
79	24.1k	return 1;
80	24.1k	}
81
82		int ossl_pw_set_ui_method(struct ossl_passphrase_data_st *data,
83		const UI_METHOD ui_method, void ui_data)
84	0	{
85	0	if (!ossl_assert(data != NULL && ui_method != NULL)) {
86	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
87	0	return 0;
88	0	}
89	0	ossl_pw_clear_passphrase_data(data);
90	0	data->type = is_ui_method;
91	0	data->_.ui_method.ui_method = ui_method;
92	0	data->_.ui_method.ui_method_data = ui_data;
93	0	return 1;
94	0	}
95
96		int ossl_pw_enable_passphrase_caching(struct ossl_passphrase_data_st *data)
97	972k	{
98	972k	data->flag_cache_passphrase = 1;
99	972k	return 1;
100	972k	}
101
102		int ossl_pw_disable_passphrase_caching(struct ossl_passphrase_data_st *data)
103	0	{
104	0	data->flag_cache_passphrase = 0;
105	0	return 1;
106	0	}
107
108
109		/*-
110		* UI_METHOD processor. It differs from UI_UTIL_read_pw() like this:
111		*
112		* 1. It constructs a prompt on its own, based on \|prompt_info\|.
113		* 2. It allocates a buffer for password and verification on its own
114		* to compensate for NUL terminator in UI password strings.
115		* 3. It raises errors.
116		* 4. It reports back the length of the prompted pass phrase.
117		*/
118		static int do_ui_passphrase(char pass, size_t pass_size, size_t pass_len,
119		const char *prompt_info, int verify,
120		const UI_METHOD ui_method, void ui_data)
121	0	{
122	0	char prompt = NULL, ipass = NULL, *vpass = NULL;
123	0	int prompt_idx = -1, verify_idx = -1, res;
124	0	UI *ui = NULL;
125	0	int ret = 0;
126
127	0	if (!ossl_assert(pass != NULL && pass_size != 0 && pass_len != NULL)) {
128	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
129	0	return 0;
130	0	}
131
132	0	if ((ui = UI_new()) == NULL) {
133	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
134	0	return 0;
135	0	}
136
137	0	if (ui_method != NULL) {
138	0	UI_set_method(ui, ui_method);
139	0	if (ui_data != NULL)
140	0	UI_add_user_data(ui, ui_data);
141	0	}
142
143		/* Get an application constructed prompt */
144	0	prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
145	0	if (prompt == NULL) {
146	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
147	0	goto end;
148	0	}
149
150		/* Get a buffer for verification prompt */
151	0	ipass = OPENSSL_zalloc(pass_size + 1);
152	0	if (ipass == NULL) {
153	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
154	0	goto end;
155	0	}
156
157	0	prompt_idx = UI_add_input_string(ui, prompt,
158	0	UI_INPUT_FLAG_DEFAULT_PWD,
159	0	ipass, 0, pass_size) - 1;
160	0	if (prompt_idx < 0) {
161	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_UI_LIB);
162	0	goto end;
163	0	}
164
165	0	if (verify) {
166		/* Get a buffer for verification prompt */
167	0	vpass = OPENSSL_zalloc(pass_size + 1);
168	0	if (vpass == NULL) {
169	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
170	0	goto end;
171	0	}
172	0	verify_idx = UI_add_verify_string(ui, prompt,
173	0	UI_INPUT_FLAG_DEFAULT_PWD,
174	0	vpass, 0, pass_size,
175	0	ipass) - 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	125	{
214	125	const char *source = NULL;
215	125	size_t source_len = 0;
216	125	const char *prompt_info = NULL;
217	125	const UI_METHOD *ui_method = NULL;
218	125	UI_METHOD *allocated_ui_method = NULL;
219	125	void *ui_data = NULL;
220	125	const OSSL_PARAM *p = NULL;
221	125	int ret;
222
223		/* Handle explicit and cached passphrases */
224
225	125	if (data->type == is_expl_passphrase) {
226	0	source = data->_.expl_passphrase.passphrase_copy;
227	0	source_len = data->_.expl_passphrase.passphrase_len;
228	125	} 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	125	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	125	if (data->type == is_ossl_passphrase) {
244	10	OSSL_PASSPHRASE_CALLBACK *cb = data->_.ossl_passphrase.passphrase_cb;
245	10	void *cbarg = data->_.ossl_passphrase.passphrase_cbarg;
246
247	10	ret = cb(pass, pass_size, pass_len, params, cbarg);
248	10	goto do_cache;
249	10	}
250
251		/* Handle the is_pem_password and is_ui_method cases */
252
253	115	if ((p = OSSL_PARAM_locate_const(params,
254	115	OSSL_PASSPHRASE_PARAM_INFO)) != NULL) {
255	10	if (p->data_type != OSSL_PARAM_UTF8_STRING) {
256	0	ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_PASSED_INVALID_ARGUMENT,
257	0	"Prompt info data type incorrect");
258	0	return 0;
259	0	}
260	10	prompt_info = p->data;
261	10	}
262
263	115	if (data->type == is_pem_password) {
264		/* We use a UI wrapper for PEM */
265	0	pem_password_cb *cb = data->_.pem_password.password_cb;
266
267	0	ui_method = allocated_ui_method =
268	0	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	115	} 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	115	if (ui_method == NULL) {
281	115	ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_PASSED_INVALID_ARGUMENT,
282	115	"No password method specified");
283	115	return 0;
284	115	}
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	10	do_cache:
292	10	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 =
296	0	OPENSSL_clear_realloc(data->cached_passphrase,
297	0	data->cached_passphrase_len,
298	0	*pass_len + 1);
299
300	0	if (new_cache == NULL) {
301	0	OPENSSL_cleanse(pass, *pass_len);
302	0	ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
303	0	return 0;
304	0	}
305	0	data->cached_passphrase = new_cache;
306	0	}
307	0	memcpy(data->cached_passphrase, pass, *pass_len);
308	0	data->cached_passphrase[*pass_len] = '\0';
309	0	data->cached_passphrase_len = *pass_len;
310	0	}
311
312	10	return ret;
313	10	}
314
315		static int ossl_pw_get_password(char *buf, int size, int rwflag,
316		void userdata, const char info)
317	10	{
318	10	size_t password_len = 0;
319	10	OSSL_PARAM params[] = {
320	10	OSSL_PARAM_utf8_string(OSSL_PASSPHRASE_PARAM_INFO, NULL, 0),
321	10	OSSL_PARAM_END
322	10	};
323
324	10	params[0].data = (void *)info;
325	10	if (ossl_pw_get_passphrase(buf, (size_t)size, &password_len, params,
326	10	rwflag, userdata))
327	0	return (int)password_len;
328	10	return -1;
329	10	}
330
331		int ossl_pw_pem_password(char buf, int size, int rwflag, void userdata)
332	0	{
333	0	return ossl_pw_get_password(buf, size, rwflag, userdata, "PEM");
334	0	}
335
336		int ossl_pw_pvk_password(char buf, int size, int rwflag, void userdata)
337	10	{
338	10	return ossl_pw_get_password(buf, size, rwflag, userdata, "PVK");
339	10	}
340
341		int ossl_pw_passphrase_callback_enc(char *pass, size_t pass_size,
342		size_t *pass_len,
343		const OSSL_PARAM params[], void *arg)
344	0	{
345	0	return ossl_pw_get_passphrase(pass, pass_size, pass_len, params, 1, arg);
346	0	}
347
348		int ossl_pw_passphrase_callback_dec(char *pass, size_t pass_size,
349		size_t *pass_len,
350		const OSSL_PARAM params[], void *arg)
351	115	{
352	115	return ossl_pw_get_passphrase(pass, pass_size, pass_len, params, 0, arg);
353	115	}