[thirdparty/openssl.git] / crypto / pem / pem_info.c

/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (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 <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/rsa.h>
#include <openssl/dsa.h>

#ifndef OPENSSL_NO_STDIO
STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
                                        pem_password_cb *cb, void *u)
{
    BIO *b;
    STACK_OF(X509_INFO) *ret;

    if ((b = BIO_new(BIO_s_file())) == NULL) {
        PEMerr(PEM_F_PEM_X509_INFO_READ, ERR_R_BUF_LIB);
        return 0;
    }
    BIO_set_fp(b, fp, BIO_NOCLOSE);
    ret = PEM_X509_INFO_read_bio(b, sk, cb, u);
    BIO_free(b);
    return ret;
}
#endif

STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk,
                                            pem_password_cb *cb, void *u)
{
    X509_INFO *xi = NULL;
    char *name = NULL, *header = NULL;
    void *pp;
    unsigned char *data = NULL;
    const unsigned char *p;
    long len, error = 0;
    int ok = 0;
    STACK_OF(X509_INFO) *ret = NULL;
    unsigned int i, raw, ptype;
    d2i_of_void *d2i = 0;

    if (sk == NULL) {
        if ((ret = sk_X509_INFO_new_null()) == NULL) {
            PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_MALLOC_FAILURE);
            goto err;
        }
    } else
        ret = sk;

    if ((xi = X509_INFO_new()) == NULL)
        goto err;
    for (;;) {
        raw = 0;
        ptype = 0;
        i = PEM_read_bio(bp, &name, &header, &data, &len);
        if (i == 0) {
            error = ERR_GET_REASON(ERR_peek_last_error());
            if (error == PEM_R_NO_START_LINE) {
                ERR_clear_error();
                break;
            }
            goto err;
        }
 start:
        if ((strcmp(name, PEM_STRING_X509) == 0) ||
            (strcmp(name, PEM_STRING_X509_OLD) == 0)) {
            d2i = (D2I_OF(void)) d2i_X509;
            if (xi->x509 != NULL) {
                if (!sk_X509_INFO_push(ret, xi))
                    goto err;
                if ((xi = X509_INFO_new()) == NULL)
                    goto err;
                goto start;
            }
            pp = &(xi->x509);
        } else if ((strcmp(name, PEM_STRING_X509_TRUSTED) == 0)) {
            d2i = (D2I_OF(void)) d2i_X509_AUX;
            if (xi->x509 != NULL) {
                if (!sk_X509_INFO_push(ret, xi))
                    goto err;
                if ((xi = X509_INFO_new()) == NULL)
                    goto err;
                goto start;
            }
            pp = &(xi->x509);
        } else if (strcmp(name, PEM_STRING_X509_CRL) == 0) {
            d2i = (D2I_OF(void)) d2i_X509_CRL;
            if (xi->crl != NULL) {
                if (!sk_X509_INFO_push(ret, xi))
                    goto err;
                if ((xi = X509_INFO_new()) == NULL)
                    goto err;
                goto start;
            }
            pp = &(xi->crl);
        } else
#ifndef OPENSSL_NO_RSA
        if (strcmp(name, PEM_STRING_RSA) == 0) {
            d2i = (D2I_OF(void)) d2i_RSAPrivateKey;
            if (xi->x_pkey != NULL) {
                if (!sk_X509_INFO_push(ret, xi))
                    goto err;
                if ((xi = X509_INFO_new()) == NULL)
                    goto err;
                goto start;
            }

            xi->enc_data = NULL;
            xi->enc_len = 0;

            xi->x_pkey = X509_PKEY_new();
            if (xi->x_pkey == NULL)
                goto err;
            ptype = EVP_PKEY_RSA;
            pp = &xi->x_pkey->dec_pkey;
            if ((int)strlen(header) > 10) /* assume encrypted */
                raw = 1;
        } else
#endif
#ifndef OPENSSL_NO_DSA
        if (strcmp(name, PEM_STRING_DSA) == 0) {
            d2i = (D2I_OF(void)) d2i_DSAPrivateKey;
            if (xi->x_pkey != NULL) {
                if (!sk_X509_INFO_push(ret, xi))
                    goto err;
                if ((xi = X509_INFO_new()) == NULL)
                    goto err;
                goto start;
            }

            xi->enc_data = NULL;
            xi->enc_len = 0;

            xi->x_pkey = X509_PKEY_new();
            if (xi->x_pkey == NULL)
                goto err;
            ptype = EVP_PKEY_DSA;
            pp = &xi->x_pkey->dec_pkey;
            if ((int)strlen(header) > 10) /* assume encrypted */
                raw = 1;
        } else
#endif
#ifndef OPENSSL_NO_EC
        if (strcmp(name, PEM_STRING_ECPRIVATEKEY) == 0) {
            d2i = (D2I_OF(void)) d2i_ECPrivateKey;
            if (xi->x_pkey != NULL) {
                if (!sk_X509_INFO_push(ret, xi))
                    goto err;
                if ((xi = X509_INFO_new()) == NULL)
                    goto err;
                goto start;
            }

            xi->enc_data = NULL;
            xi->enc_len = 0;

            xi->x_pkey = X509_PKEY_new();
            if (xi->x_pkey == NULL)
                goto err;
            ptype = EVP_PKEY_EC;
            pp = &xi->x_pkey->dec_pkey;
            if ((int)strlen(header) > 10) /* assume encrypted */
                raw = 1;
        } else
#endif
        {
            d2i = NULL;
            pp = NULL;
        }

        if (d2i != NULL) {
            if (!raw) {
                EVP_CIPHER_INFO cipher;

                if (!PEM_get_EVP_CIPHER_INFO(header, &cipher))
                    goto err;
                if (!PEM_do_header(&cipher, data, &len, cb, u))
                    goto err;
                p = data;
                if (ptype) {
                    if (!d2i_PrivateKey(ptype, pp, &p, len)) {
                        PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_ASN1_LIB);
                        goto err;
                    }
                } else if (d2i(pp, &p, len) == NULL) {
                    PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_ASN1_LIB);
                    goto err;
                }
            } else {            /* encrypted RSA data */
                if (!PEM_get_EVP_CIPHER_INFO(header, &xi->enc_cipher))
                    goto err;
                xi->enc_data = (char *)data;
                xi->enc_len = (int)len;
                data = NULL;
            }
        } else {
            /* unknown */
        }
        OPENSSL_free(name);
        name = NULL;
        OPENSSL_free(header);
        header = NULL;
        OPENSSL_free(data);
        data = NULL;
    }

    /*
     * if the last one hasn't been pushed yet and there is anything in it
     * then add it to the stack ...
     */
    if ((xi->x509 != NULL) || (xi->crl != NULL) ||
        (xi->x_pkey != NULL) || (xi->enc_data != NULL)) {
        if (!sk_X509_INFO_push(ret, xi))
            goto err;
        xi = NULL;
    }
    ok = 1;
 err:
    X509_INFO_free(xi);
    if (!ok) {
        for (i = 0; ((int)i) < sk_X509_INFO_num(ret); i++) {
            xi = sk_X509_INFO_value(ret, i);
            X509_INFO_free(xi);
        }
        if (ret != sk)
            sk_X509_INFO_free(ret);
        ret = NULL;
    }

    OPENSSL_free(name);
    OPENSSL_free(header);
    OPENSSL_free(data);
    return ret;
}

/* A TJH addition */
int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
                            unsigned char *kstr, int klen,
                            pem_password_cb *cb, void *u)
{
    int i, ret = 0;
    unsigned char *data = NULL;
    const char *objstr = NULL;
    char buf[PEM_BUFSIZE];
    unsigned char *iv = NULL;

    if (enc != NULL) {
        objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc));
        if (objstr == NULL
                   /*
                    * Check "Proc-Type: 4,Encrypted\nDEK-Info: objstr,hex-iv\n"
                    * fits into buf
                    */
                || (strlen(objstr) + 23 + 2 * EVP_CIPHER_iv_length(enc) + 13)
                   > sizeof(buf)) {
            PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO, PEM_R_UNSUPPORTED_CIPHER);
            goto err;
        }
    }

    /*
     * now for the fun part ... if we have a private key then we have to be
     * able to handle a not-yet-decrypted key being written out correctly ...
     * if it is decrypted or it is non-encrypted then we use the base code
     */
    if (xi->x_pkey != NULL) {
        if ((xi->enc_data != NULL) && (xi->enc_len > 0)) {
            if (enc == NULL) {
                PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO, PEM_R_CIPHER_IS_NULL);
                goto err;
            }

            /* copy from weirdo names into more normal things */
            iv = xi->enc_cipher.iv;
            data = (unsigned char *)xi->enc_data;
            i = xi->enc_len;

            /*
             * we take the encryption data from the internal stuff rather
             * than what the user has passed us ... as we have to match
             * exactly for some strange reason
             */
            objstr = OBJ_nid2sn(EVP_CIPHER_nid(xi->enc_cipher.cipher));
            if (objstr == NULL) {
                PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,
                       PEM_R_UNSUPPORTED_CIPHER);
                goto err;
            }

            /* Create the right magic header stuff */ 
            buf[0] = '\0';
            PEM_proc_type(buf, PEM_TYPE_ENCRYPTED);
            PEM_dek_info(buf, objstr, EVP_CIPHER_iv_length(enc),
                         (char *)iv);

            /* use the normal code to write things out */
            i = PEM_write_bio(bp, PEM_STRING_RSA, buf, data, i);
            if (i <= 0)
                goto err;
        } else {
            /* Add DSA/DH */
#ifndef OPENSSL_NO_RSA
            /* normal optionally encrypted stuff */
            if (PEM_write_bio_RSAPrivateKey(bp,
                                            EVP_PKEY_get0_RSA(xi->x_pkey->dec_pkey),
                                            enc, kstr, klen, cb, u) <= 0)
                goto err;
#endif
        }
    }

    /* if we have a certificate then write it out now */
    if ((xi->x509 != NULL) && (PEM_write_bio_X509(bp, xi->x509) <= 0))
        goto err;

    /*
     * we are ignoring anything else that is loaded into the X509_INFO
     * structure for the moment ... as I don't need it so I'm not coding it
     * here and Eric can do it when this makes it into the base library --tjh
     */

    ret = 1;

 err:
    OPENSSL_cleanse(buf, PEM_BUFSIZE);
    return ret;
}
Commit	Line	Data
62867571 RS	1	/*
62867571 RS	2	* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
d02b48c6	3	*
62867571 RS	4	* Licensed under the OpenSSL license (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
d02b48c6 RE	8	*/
	9
	10	#include <stdio.h>
b39fc560	11	#include "internal/cryptlib.h"
ec577822 BM	12	#include <openssl/buffer.h>
	13	#include <openssl/objects.h>
	14	#include <openssl/evp.h>
	15	#include <openssl/x509.h>
	16	#include <openssl/pem.h>
3c27208f RS	17	#include <openssl/rsa.h>
3c27208f RS	18	#include <openssl/dsa.h>
d02b48c6	19
4b618848	20	#ifndef OPENSSL_NO_STDIO
0f113f3e MC	21	STACK_OF(X509_INFO) PEM_X509_INFO_read(FILE fp, STACK_OF(X509_INFO) *sk,
	22	pem_password_cb cb, void u)
	23	{
	24	BIO *b;
	25	STACK_OF(X509_INFO) *ret;
d02b48c6	26
0f113f3e MC	27	if ((b = BIO_new(BIO_s_file())) == NULL) {
0f113f3e MC	28	PEMerr(PEM_F_PEM_X509_INFO_READ, ERR_R_BUF_LIB);
26a7d938	29	return 0;
0f113f3e MC	30	}
	31	BIO_set_fp(b, fp, BIO_NOCLOSE);
	32	ret = PEM_X509_INFO_read_bio(b, sk, cb, u);
	33	BIO_free(b);
26a7d938	34	return ret;
0f113f3e	35	}
d02b48c6 RE	36	#endif
d02b48c6 RE	37
0f113f3e MC	38	STACK_OF(X509_INFO) PEM_X509_INFO_read_bio(BIO bp, STACK_OF(X509_INFO) *sk,
	39	pem_password_cb cb, void u)
	40	{
	41	X509_INFO *xi = NULL;
	42	char name = NULL, header = NULL;
	43	void *pp;
	44	unsigned char *data = NULL;
	45	const unsigned char *p;
	46	long len, error = 0;
	47	int ok = 0;
	48	STACK_OF(X509_INFO) *ret = NULL;
	49	unsigned int i, raw, ptype;
	50	d2i_of_void *d2i = 0;
d02b48c6	51
0f113f3e MC	52	if (sk == NULL) {
	53	if ((ret = sk_X509_INFO_new_null()) == NULL) {
	54	PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_MALLOC_FAILURE);
	55	goto err;
	56	}
	57	} else
	58	ret = sk;
d02b48c6	59
0f113f3e MC	60	if ((xi = X509_INFO_new()) == NULL)
	61	goto err;
	62	for (;;) {
	63	raw = 0;
	64	ptype = 0;
	65	i = PEM_read_bio(bp, &name, &header, &data, &len);
	66	if (i == 0) {
	67	error = ERR_GET_REASON(ERR_peek_last_error());
	68	if (error == PEM_R_NO_START_LINE) {
	69	ERR_clear_error();
	70	break;
	71	}
	72	goto err;
	73	}
	74	start:
	75	if ((strcmp(name, PEM_STRING_X509) == 0) \|\|
	76	(strcmp(name, PEM_STRING_X509_OLD) == 0)) {
	77	d2i = (D2I_OF(void)) d2i_X509;
	78	if (xi->x509 != NULL) {
	79	if (!sk_X509_INFO_push(ret, xi))
	80	goto err;
	81	if ((xi = X509_INFO_new()) == NULL)
	82	goto err;
	83	goto start;
	84	}
	85	pp = &(xi->x509);
	86	} else if ((strcmp(name, PEM_STRING_X509_TRUSTED) == 0)) {
	87	d2i = (D2I_OF(void)) d2i_X509_AUX;
	88	if (xi->x509 != NULL) {
	89	if (!sk_X509_INFO_push(ret, xi))
	90	goto err;
	91	if ((xi = X509_INFO_new()) == NULL)
	92	goto err;
	93	goto start;
	94	}
	95	pp = &(xi->x509);
	96	} else if (strcmp(name, PEM_STRING_X509_CRL) == 0) {
	97	d2i = (D2I_OF(void)) d2i_X509_CRL;
	98	if (xi->crl != NULL) {
	99	if (!sk_X509_INFO_push(ret, xi))
	100	goto err;
	101	if ((xi = X509_INFO_new()) == NULL)
	102	goto err;
	103	goto start;
	104	}
	105	pp = &(xi->crl);
	106	} else
cf1b7d96	107	#ifndef OPENSSL_NO_RSA
0f113f3e MC	108	if (strcmp(name, PEM_STRING_RSA) == 0) {
	109	d2i = (D2I_OF(void)) d2i_RSAPrivateKey;
	110	if (xi->x_pkey != NULL) {
	111	if (!sk_X509_INFO_push(ret, xi))
	112	goto err;
	113	if ((xi = X509_INFO_new()) == NULL)
	114	goto err;
	115	goto start;
	116	}
d02b48c6	117
0f113f3e MC	118	xi->enc_data = NULL;
0f113f3e MC	119	xi->enc_len = 0;
d02b48c6	120
0f113f3e	121	xi->x_pkey = X509_PKEY_new();
90945fa3 MC	122	if (xi->x_pkey == NULL)
90945fa3 MC	123	goto err;
0f113f3e MC	124	ptype = EVP_PKEY_RSA;
	125	pp = &xi->x_pkey->dec_pkey;
	126	if ((int)strlen(header) > 10) /* assume encrypted */
	127	raw = 1;
	128	} else
d02b48c6	129	#endif
cf1b7d96	130	#ifndef OPENSSL_NO_DSA
0f113f3e MC	131	if (strcmp(name, PEM_STRING_DSA) == 0) {
	132	d2i = (D2I_OF(void)) d2i_DSAPrivateKey;
	133	if (xi->x_pkey != NULL) {
	134	if (!sk_X509_INFO_push(ret, xi))
	135	goto err;
	136	if ((xi = X509_INFO_new()) == NULL)
	137	goto err;
	138	goto start;
	139	}
d02b48c6	140
0f113f3e MC	141	xi->enc_data = NULL;
0f113f3e MC	142	xi->enc_len = 0;
d02b48c6	143
0f113f3e	144	xi->x_pkey = X509_PKEY_new();
90945fa3 MC	145	if (xi->x_pkey == NULL)
90945fa3 MC	146	goto err;
0f113f3e MC	147	ptype = EVP_PKEY_DSA;
	148	pp = &xi->x_pkey->dec_pkey;
	149	if ((int)strlen(header) > 10) /* assume encrypted */
	150	raw = 1;
	151	} else
4d94ae00	152	#endif
14a7cfb3	153	#ifndef OPENSSL_NO_EC
0f113f3e MC	154	if (strcmp(name, PEM_STRING_ECPRIVATEKEY) == 0) {
	155	d2i = (D2I_OF(void)) d2i_ECPrivateKey;
	156	if (xi->x_pkey != NULL) {
	157	if (!sk_X509_INFO_push(ret, xi))
	158	goto err;
	159	if ((xi = X509_INFO_new()) == NULL)
	160	goto err;
	161	goto start;
	162	}
	163
	164	xi->enc_data = NULL;
	165	xi->enc_len = 0;
	166
	167	xi->x_pkey = X509_PKEY_new();
90945fa3 MC	168	if (xi->x_pkey == NULL)
90945fa3 MC	169	goto err;
0f113f3e MC	170	ptype = EVP_PKEY_EC;
	171	pp = &xi->x_pkey->dec_pkey;
	172	if ((int)strlen(header) > 10) /* assume encrypted */
	173	raw = 1;
	174	} else
d02b48c6	175	#endif
0f113f3e MC	176	{
	177	d2i = NULL;
	178	pp = NULL;
	179	}
d02b48c6	180
0f113f3e MC	181	if (d2i != NULL) {
	182	if (!raw) {
	183	EVP_CIPHER_INFO cipher;
d02b48c6	184
0f113f3e MC	185	if (!PEM_get_EVP_CIPHER_INFO(header, &cipher))
	186	goto err;
	187	if (!PEM_do_header(&cipher, data, &len, cb, u))
	188	goto err;
	189	p = data;
	190	if (ptype) {
	191	if (!d2i_PrivateKey(ptype, pp, &p, len)) {
	192	PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_ASN1_LIB);
	193	goto err;
	194	}
	195	} else if (d2i(pp, &p, len) == NULL) {
	196	PEMerr(PEM_F_PEM_X509_INFO_READ_BIO, ERR_R_ASN1_LIB);
	197	goto err;
	198	}
	199	} else { /* encrypted RSA data */
	200	if (!PEM_get_EVP_CIPHER_INFO(header, &xi->enc_cipher))
	201	goto err;
	202	xi->enc_data = (char *)data;
	203	xi->enc_len = (int)len;
	204	data = NULL;
	205	}
	206	} else {
	207	/* unknown */
	208	}
b548a1f1	209	OPENSSL_free(name);
0f113f3e	210	name = NULL;
b548a1f1	211	OPENSSL_free(header);
0f113f3e	212	header = NULL;
b548a1f1	213	OPENSSL_free(data);
0f113f3e MC	214	data = NULL;
0f113f3e MC	215	}
d02b48c6	216
0f113f3e MC	217	/*
	218	* if the last one hasn't been pushed yet and there is anything in it
	219	* then add it to the stack ...
	220	*/
	221	if ((xi->x509 != NULL) \|\| (xi->crl != NULL) \|\|
	222	(xi->x_pkey != NULL) \|\| (xi->enc_data != NULL)) {
	223	if (!sk_X509_INFO_push(ret, xi))
	224	goto err;
	225	xi = NULL;
	226	}
	227	ok = 1;
	228	err:
222561fe	229	X509_INFO_free(xi);
0f113f3e MC	230	if (!ok) {
	231	for (i = 0; ((int)i) < sk_X509_INFO_num(ret); i++) {
	232	xi = sk_X509_INFO_value(ret, i);
	233	X509_INFO_free(xi);
	234	}
	235	if (ret != sk)
	236	sk_X509_INFO_free(ret);
	237	ret = NULL;
	238	}
d02b48c6	239
b548a1f1 RS	240	OPENSSL_free(name);
	241	OPENSSL_free(header);
	242	OPENSSL_free(data);
26a7d938	243	return ret;
0f113f3e	244	}
d02b48c6 RE	245
d02b48c6 RE	246	/* A TJH addition */
6b691a5c	247	int PEM_X509_INFO_write_bio(BIO bp, X509_INFO xi, EVP_CIPHER *enc,
0f113f3e MC	248	unsigned char *kstr, int klen,
	249	pem_password_cb cb, void u)
	250	{
0f113f3e MC	251	int i, ret = 0;
	252	unsigned char *data = NULL;
	253	const char *objstr = NULL;
	254	char buf[PEM_BUFSIZE];
	255	unsigned char *iv = NULL;
	256
	257	if (enc != NULL) {
	258	objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc));
e40ada04 MC	259	if (objstr == NULL
	260	/*
	261	* Check "Proc-Type: 4,Encrypted\nDEK-Info: objstr,hex-iv\n"
	262	* fits into buf
	263	*/
	264	\|\| (strlen(objstr) + 23 + 2 * EVP_CIPHER_iv_length(enc) + 13)
	265	> sizeof(buf)) {
0f113f3e MC	266	PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO, PEM_R_UNSUPPORTED_CIPHER);
	267	goto err;
	268	}
	269	}
d02b48c6	270
0f113f3e MC	271	/*
	272	* now for the fun part ... if we have a private key then we have to be
	273	* able to handle a not-yet-decrypted key being written out correctly ...
	274	* if it is decrypted or it is non-encrypted then we use the base code
	275	*/
	276	if (xi->x_pkey != NULL) {
	277	if ((xi->enc_data != NULL) && (xi->enc_len > 0)) {
	278	if (enc == NULL) {
	279	PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO, PEM_R_CIPHER_IS_NULL);
	280	goto err;
	281	}
8bbf6ac0	282
0f113f3e MC	283	/* copy from weirdo names into more normal things */
	284	iv = xi->enc_cipher.iv;
	285	data = (unsigned char *)xi->enc_data;
	286	i = xi->enc_len;
d02b48c6	287
0f113f3e MC	288	/*
	289	* we take the encryption data from the internal stuff rather
	290	* than what the user has passed us ... as we have to match
	291	* exactly for some strange reason
	292	*/
	293	objstr = OBJ_nid2sn(EVP_CIPHER_nid(xi->enc_cipher.cipher));
	294	if (objstr == NULL) {
	295	PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,
	296	PEM_R_UNSUPPORTED_CIPHER);
	297	goto err;
	298	}
d02b48c6	299
e40ada04	300	/* Create the right magic header stuff */
0f113f3e MC	301	buf[0] = '\0';
0f113f3e MC	302	PEM_proc_type(buf, PEM_TYPE_ENCRYPTED);
6c2ff56e RL	303	PEM_dek_info(buf, objstr, EVP_CIPHER_iv_length(enc),
6c2ff56e RL	304	(char *)iv);
d02b48c6	305
0f113f3e MC	306	/* use the normal code to write things out */
	307	i = PEM_write_bio(bp, PEM_STRING_RSA, buf, data, i);
	308	if (i <= 0)
	309	goto err;
	310	} else {
	311	/* Add DSA/DH */
cf1b7d96	312	#ifndef OPENSSL_NO_RSA
0f113f3e MC	313	/* normal optionally encrypted stuff */
0f113f3e MC	314	if (PEM_write_bio_RSAPrivateKey(bp,
3aeb9348	315	EVP_PKEY_get0_RSA(xi->x_pkey->dec_pkey),
0f113f3e MC	316	enc, kstr, klen, cb, u) <= 0)
0f113f3e MC	317	goto err;
d02b48c6	318	#endif
0f113f3e MC	319	}
0f113f3e MC	320	}
d02b48c6	321
0f113f3e MC	322	/* if we have a certificate then write it out now */
	323	if ((xi->x509 != NULL) && (PEM_write_bio_X509(bp, xi->x509) <= 0))
	324	goto err;
d02b48c6	325
0f113f3e MC	326	/*
	327	* we are ignoring anything else that is loaded into the X509_INFO
	328	* structure for the moment ... as I don't need it so I'm not coding it
	329	* here and Eric can do it when this makes it into the base library --tjh
	330	*/
d02b48c6	331
0f113f3e	332	ret = 1;
d02b48c6	333
0f113f3e	334	err:
0f113f3e	335	OPENSSL_cleanse(buf, PEM_BUFSIZE);
26a7d938	336	return ret;
0f113f3e	337	}