DH *PEM_read_bio_DHparams(BIO *bp, DH **x, pem_password_cb *cb, void *u)
{
char *nm=NULL;
const unsigned char *p=NULL;
unsigned char *data=NULL;
long len;
DH *ret=NULL;
if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_DHPARAMS,
bp, cb, u))
return NULL;
p = data;
/* TODO(fork): remove? */
/*if (!strcmp(nm, PEM_STRING_DHXPARAMS))
ret = d2i_DHxparams(x, &p, len);
else */
ret = d2i_DHparams(x, &p, len);
if (ret == NULL)
OPENSSL_PUT_ERROR(PEM, PEM_read_bio_DHparams, ERR_R_ASN1_LIB);
OPENSSL_free(nm);
OPENSSL_free(data);
return ret;
}
char *PEM_ASN1_read_bio(char *(*d2i)(), const char *name, BIO *bp, char **x,
pem_password_cb *cb, void *u)
{
unsigned char *p=NULL,*data=NULL;
long len;
char *ret=NULL;
if (!PEM_bytes_read_bio(&data, &len, NULL, name, bp, cb, u))
return NULL;
p = data;
ret=d2i(x,&p,len);
if (ret == NULL)
PEMerr(PEM_F_PEM_ASN1_READ_BIO,ERR_R_ASN1_LIB);
OPENSSL_free(data);
return(ret);
}
void *PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp, void **x,
pem_password_cb *cb, void *u)
{
const unsigned char *p=NULL;
unsigned char *data=NULL;
long len;
char *ret=NULL;
if (!PEM_bytes_read_bio(&data, &len, NULL, name, bp, cb, u))
return NULL;
p = data;
ret=d2i(x,&p,len);
if (ret == NULL)
OPENSSL_PUT_ERROR(PEM, ERR_R_ASN1_LIB);
OPENSSL_free(data);
return ret;
}
EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x)
{
char *nm=NULL;
const unsigned char *p=NULL;
unsigned char *data=NULL;
long len;
int slen;
EVP_PKEY *ret=NULL;
if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS,
bp, 0, NULL))
return NULL;
p = data;
if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0)
{
ret = EVP_PKEY_new();
if (!ret)
goto err;
if (!EVP_PKEY_set_type_str(ret, nm, slen)
|| !ret->ameth->param_decode
|| !ret->ameth->param_decode(ret, &p, len))
{
EVP_PKEY_free(ret);
ret = NULL;
goto err;
}
if(x)
{
if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
*x = ret;
}
}
err:
if (ret == NULL)
PEMerr(PEM_F_PEM_READ_BIO_PARAMETERS,ERR_R_ASN1_LIB);
free(nm);
free(data);
return(ret);
}
DH *PEM_read_bio_DHparams(BIO *bp, DH **x, pem_password_cb *cb, void *u)
{
char *nm = NULL;
const unsigned char *p = NULL;
unsigned char *data = NULL;
long len;
DH *ret = NULL;
if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_DHPARAMS, bp, cb, u))
return NULL;
p = data;
if (strcmp(nm, PEM_STRING_DHXPARAMS) == 0)
ret = d2i_DHxparams(x, &p, len);
else
ret = d2i_DHparams(x, &p, len);
if (ret == NULL)
PEMerr(PEM_F_PEM_READ_BIO_DHPARAMS, ERR_R_ASN1_LIB);
OPENSSL_free(nm);
OPENSSL_free(data);
return ret;
}
EVP_PKEY *
PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
{
char *nm = NULL;
const unsigned char *p = NULL;
unsigned char *data = NULL;
long len;
int slen;
EVP_PKEY *ret = NULL;
if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY,
bp, cb, u))
return NULL;
p = data;
if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) {
PKCS8_PRIV_KEY_INFO *p8inf;
p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
if (!p8inf)
goto p8err;
ret = EVP_PKCS82PKEY(p8inf);
if (x) {
EVP_PKEY_free(*x);
*x = ret;
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
} else if (strcmp(nm, PEM_STRING_PKCS8) == 0) {
PKCS8_PRIV_KEY_INFO *p8inf;
X509_SIG *p8;
int klen;
char psbuf[PEM_BUFSIZE];
p8 = d2i_X509_SIG(NULL, &p, len);
if (!p8)
goto p8err;
if (cb)
klen = cb(psbuf, PEM_BUFSIZE, 0, u);
else
klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
if (klen <= 0) {
PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,
PEM_R_BAD_PASSWORD_READ);
X509_SIG_free(p8);
goto err;
}
p8inf = PKCS8_decrypt(p8, psbuf, klen);
X509_SIG_free(p8);
if (!p8inf)
goto p8err;
ret = EVP_PKCS82PKEY(p8inf);
if (x) {
EVP_PKEY_free(*x);
*x = ret;
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
} else if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0) {
const EVP_PKEY_ASN1_METHOD *ameth;
ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);
if (!ameth || !ameth->old_priv_decode)
goto p8err;
ret = d2i_PrivateKey(ameth->pkey_id, x, &p, len);
}
p8err:
if (ret == NULL)
PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, ERR_R_ASN1_LIB);
err:
free(nm);
OPENSSL_cleanse(data, len);
free(data);
return (ret);
}
EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
{
char *nm=NULL;
const unsigned char *p=NULL;
unsigned char *data=NULL;
long len;
EVP_PKEY *ret=NULL;
if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u))
return NULL;
p = data;
if (strcmp(nm,PEM_STRING_RSA) == 0)
ret=d2i_PrivateKey(EVP_PKEY_RSA,x,&p,len);
else if (strcmp(nm,PEM_STRING_DSA) == 0)
ret=d2i_PrivateKey(EVP_PKEY_DSA,x,&p,len);
else if (strcmp(nm,PEM_STRING_ECPRIVATEKEY) == 0)
ret=d2i_PrivateKey(EVP_PKEY_EC,x,&p,len);
else if (strcmp(nm,PEM_STRING_PKCS8INF) == 0) {
PKCS8_PRIV_KEY_INFO *p8inf;
p8inf=d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
if(!p8inf) goto p8err;
ret = EVP_PKCS82PKEY(p8inf);
if(x) {
if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
*x = ret;
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
} else if (strcmp(nm,PEM_STRING_PKCS8) == 0) {
PKCS8_PRIV_KEY_INFO *p8inf;
X509_SIG *p8;
int klen;
char psbuf[PEM_BUFSIZE];
p8 = d2i_X509_SIG(NULL, &p, len);
if(!p8) goto p8err;
if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u);
else klen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u);
if (klen <= 0) {
PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,
PEM_R_BAD_PASSWORD_READ);
X509_SIG_free(p8);
goto err;
}
p8inf = PKCS8_decrypt(p8, psbuf, klen);
X509_SIG_free(p8);
if(!p8inf) goto p8err;
ret = EVP_PKCS82PKEY(p8inf);
if(x) {
if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
*x = ret;
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
}
p8err:
if (ret == NULL)
PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,ERR_R_ASN1_LIB);
err:
OPENSSL_free(nm);
OPENSSL_cleanse(data, len);
OPENSSL_free(data);
return(ret);
}
EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
void *u)
{
char *nm = NULL;
const unsigned char *p = NULL;
unsigned char *data = NULL;
long len;
EVP_PKEY *ret = NULL;
if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u))
return NULL;
p = data;
if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) {
PKCS8_PRIV_KEY_INFO *p8inf;
p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
if (!p8inf)
goto p8err;
ret = EVP_PKCS82PKEY(p8inf);
if (x) {
if (*x)
EVP_PKEY_free((EVP_PKEY *)*x);
*x = ret;
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
} else if (strcmp(nm, PEM_STRING_PKCS8) == 0) {
PKCS8_PRIV_KEY_INFO *p8inf;
X509_SIG *p8;
int klen;
char psbuf[PEM_BUFSIZE];
p8 = d2i_X509_SIG(NULL, &p, len);
if (!p8)
goto p8err;
klen = 0;
if (!cb)
cb = PEM_def_callback;
klen = cb(psbuf, PEM_BUFSIZE, 0, u);
if (klen <= 0) {
OPENSSL_PUT_ERROR(PEM, PEM_R_BAD_PASSWORD_READ);
X509_SIG_free(p8);
goto err;
}
p8inf = PKCS8_decrypt(p8, psbuf, klen);
X509_SIG_free(p8);
OPENSSL_cleanse(psbuf, klen);
if (!p8inf)
goto p8err;
ret = EVP_PKCS82PKEY(p8inf);
if (x) {
if (*x)
EVP_PKEY_free((EVP_PKEY *)*x);
*x = ret;
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
} else if (strcmp(nm, PEM_STRING_RSA) == 0) {
/* TODO(davidben): d2i_PrivateKey parses PKCS#8 along with the
* standalone format. This and the cases below probably should not
* accept PKCS#8. */
ret = d2i_PrivateKey(EVP_PKEY_RSA, x, &p, len);
} else if (strcmp(nm, PEM_STRING_EC) == 0) {
ret = d2i_PrivateKey(EVP_PKEY_EC, x, &p, len);
} else if (strcmp(nm, PEM_STRING_DSA) == 0) {
ret = d2i_PrivateKey(EVP_PKEY_DSA, x, &p, len);
}
p8err:
if (ret == NULL)
OPENSSL_PUT_ERROR(PEM, ERR_R_ASN1_LIB);
err:
OPENSSL_free(nm);
OPENSSL_cleanse(data, len);
OPENSSL_free(data);
return (ret);
}
