static VALUE
ossl_pkcs7_get_signer(VALUE self)
{
PKCS7 *pkcs7;
STACK_OF(PKCS7_SIGNER_INFO) *sk;
PKCS7_SIGNER_INFO *si;
int num, i;
VALUE ary;
GetPKCS7(self, pkcs7);
if (!(sk = PKCS7_get_signer_info(pkcs7))) {
OSSL_Debug("OpenSSL::PKCS7#get_signer_info == NULL!");
return rb_ary_new();
}
if ((num = sk_PKCS7_SIGNER_INFO_num(sk)) < 0) {
ossl_raise(ePKCS7Error, "Negative number of signers!");
}
ary = rb_ary_new2(num);
for (i=0; i<num; i++) {
si = sk_PKCS7_SIGNER_INFO_value(sk, i);
rb_ary_push(ary, ossl_pkcs7si_new(si));
}
return ary;
}
static VALUE
ossl_x509stctx_get_chain(VALUE self)
{
X509_STORE_CTX *ctx;
STACK_OF(X509) *chain;
X509 *x509;
int i, num;
VALUE ary;
GetX509StCtx(self, ctx);
if((chain = X509_STORE_CTX_get_chain(ctx)) == NULL){
return Qnil;
}
if((num = sk_X509_num(chain)) < 0){
OSSL_Debug("certs in chain < 0???");
return rb_ary_new();
}
ary = rb_ary_new2(num);
for(i = 0; i < num; i++) {
x509 = sk_X509_value(chain, i);
rb_ary_push(ary, ossl_x509_new(x509));
}
return ary;
}
static void
ossl_sslctx_session_remove_cb(SSL_CTX *ctx, SSL_SESSION *sess)
{
VALUE ary, sslctx_obj, sess_obj, ret_obj;
void *ptr;
int state = 0;
OSSL_Debug("SSL SESSION remove callback entered");
if ((ptr = SSL_CTX_get_ex_data(ctx, ossl_ssl_ex_ptr_idx)) == NULL)
return;
sslctx_obj = (VALUE)ptr;
sess_obj = rb_obj_alloc(cSSLSession);
CRYPTO_add(&sess->references, 1, CRYPTO_LOCK_SSL_SESSION);
DATA_PTR(sess_obj) = sess;
ary = rb_ary_new2(2);
rb_ary_push(ary, sslctx_obj);
rb_ary_push(ary, sess_obj);
ret_obj = rb_protect((VALUE(*)_((VALUE)))ossl_call_session_new_cb, ary, &state);
if (state) {
/*
the SSL_CTX is frozen, nowhere to save state.
there is no common accessor method to check it either.
rb_ivar_set(sslctx_obj, ID_callback_state, INT2NUM(state));
*/
}
}
/* return 1 normal. return 0 removes the session */
static int
ossl_sslctx_session_new_cb(SSL *ssl, SSL_SESSION *sess)
{
VALUE ary, ssl_obj, sess_obj, ret_obj;
void *ptr;
int state = 0;
OSSL_Debug("SSL SESSION new callback entered");
if ((ptr = SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx)) == NULL)
return 1;
ssl_obj = (VALUE)ptr;
sess_obj = rb_obj_alloc(cSSLSession);
CRYPTO_add(&sess->references, 1, CRYPTO_LOCK_SSL_SESSION);
DATA_PTR(sess_obj) = sess;
ary = rb_ary_new2(2);
rb_ary_push(ary, ssl_obj);
rb_ary_push(ary, sess_obj);
ret_obj = rb_protect((VALUE(*)_((VALUE)))ossl_call_session_new_cb, ary, &state);
if (state) {
rb_ivar_set(ssl_obj, ID_callback_state, INT2NUM(state));
return 0; /* what should be returned here??? */
}
return RTEST(ret_obj) ? 1 : 0;
}
/* this method is currently only called for servers (in OpenSSL <= 0.9.8e) */
static SSL_SESSION *
ossl_sslctx_session_get_cb(SSL *ssl, unsigned char *buf, int len, int *copy)
{
VALUE ary, ssl_obj, ret_obj;
SSL_SESSION *sess;
void *ptr;
int state = 0;
OSSL_Debug("SSL SESSION get callback entered");
if ((ptr = SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx)) == NULL)
return NULL;
ssl_obj = (VALUE)ptr;
ary = rb_ary_new2(2);
rb_ary_push(ary, ssl_obj);
rb_ary_push(ary, rb_str_new((const char *)buf, len));
ret_obj = rb_protect((VALUE(*)_((VALUE)))ossl_call_session_get_cb, ary, &state);
if (state) {
rb_ivar_set(ssl_obj, ID_callback_state, INT2NUM(state));
return NULL;
}
if (!rb_obj_is_instance_of(ret_obj, cSSLSession))
return NULL;
SafeGetSSLSession(ret_obj, sess);
*copy = 1;
return sess;
}
int
ossl_pem_passwd_cb(char *buf, int max_len, int flag, void *pwd_)
{
long len;
int status;
VALUE rflag, pass = (VALUE)pwd_;
if (RTEST(pass)) {
/* PEM_def_callback(buf, max_len, flag, StringValueCStr(pass)) does not
* work because it does not allow NUL characters and truncates to 1024
* bytes silently if the input is over 1024 bytes */
if (RB_TYPE_P(pass, T_STRING)) {
len = RSTRING_LEN(pass);
if (len <= max_len) {
memcpy(buf, RSTRING_PTR(pass), len);
return (int)len;
}
}
OSSL_Debug("passed data is not valid String???");
return -1;
}
if (!rb_block_given_p()) {
return PEM_def_callback(buf, max_len, flag, NULL);
}
while (1) {
/*
* when the flag is nonzero, this passphrase
* will be used to perform encryption; otherwise it will
* be used to perform decryption.
*/
rflag = flag ? Qtrue : Qfalse;
pass = rb_protect(ossl_pem_passwd_cb0, rflag, &status);
if (status) {
/* ignore an exception raised. */
rb_set_errinfo(Qnil);
return -1;
}
if (NIL_P(pass))
return -1;
len = RSTRING_LEN(pass);
if (len > max_len) {
rb_warning("password must not be longer than %d bytes", max_len);
continue;
}
memcpy(buf, RSTRING_PTR(pass), len);
break;
}
return (int)len;
}
/*
* call-seq:
* spki.challenge => string
*
* Returns the challenge string associated with this SPKI.
*/
static VALUE
ossl_spki_get_challenge(VALUE self)
{
NETSCAPE_SPKI *spki;
GetSPKI(self, spki);
if (spki->spkac->challenge->length <= 0) {
OSSL_Debug("Challenge.length <= 0?");
return rb_str_new(0, 0);
}
return rb_str_new((const char *)spki->spkac->challenge->data,
spki->spkac->challenge->length);
}
/*
* Gets X509v3 extensions as array of X509Ext objects
*/
static VALUE
ossl_x509crl_get_extensions(VALUE self)
{
X509_CRL *crl;
int count, i;
X509_EXTENSION *ext;
VALUE ary;
GetX509CRL(self, crl);
count = X509_CRL_get_ext_count(crl);
if (count < 0) {
OSSL_Debug("count < 0???");
return rb_ary_new();
}
ary = rb_ary_new2(count);
for (i=0; i<count; i++) {
ext = X509_CRL_get_ext(crl, i); /* NO DUP - don't free! */
rb_ary_push(ary, ossl_x509ext_new(ext));
}
return ary;
}
static VALUE
ossl_x509crl_get_revoked(VALUE self)
{
X509_CRL *crl;
int i, num;
X509_REVOKED *rev;
VALUE ary, revoked;
GetX509CRL(self, crl);
num = sk_X509_CRL_num(X509_CRL_get_REVOKED(crl));
if (num < 0) {
OSSL_Debug("num < 0???");
return rb_ary_new();
}
ary = rb_ary_new2(num);
for(i=0; i<num; i++) {
/* NO DUP - don't free! */
rev = (X509_REVOKED *)sk_X509_CRL_value(X509_CRL_get_REVOKED(crl), i);
revoked = ossl_x509revoked_new(rev);
rb_ary_push(ary, revoked);
}
return ary;
}
/*
* call-seq:
* ctx.setup => Qtrue # first time
* ctx.setup => nil # thereafter
*
* This method is called automatically when a new SSLSocket is created.
* Normally you do not need to call this method (unless you are writing an extension in C).
*/
static VALUE
ossl_sslctx_setup(VALUE self)
{
SSL_CTX *ctx;
X509 *cert = NULL, *client_ca = NULL;
X509_STORE *store;
EVP_PKEY *key = NULL;
char *ca_path = NULL, *ca_file = NULL;
int i, verify_mode;
VALUE val;
if(OBJ_FROZEN(self)) return Qnil;
Data_Get_Struct(self, SSL_CTX, ctx);
#if !defined(OPENSSL_NO_DH)
if (RTEST(ossl_sslctx_get_tmp_dh_cb(self))){
SSL_CTX_set_tmp_dh_callback(ctx, ossl_tmp_dh_callback);
}
else{
SSL_CTX_set_tmp_dh_callback(ctx, ossl_default_tmp_dh_callback);
}
#endif
SSL_CTX_set_ex_data(ctx, ossl_ssl_ex_ptr_idx, (void*)self);
val = ossl_sslctx_get_cert_store(self);
if(!NIL_P(val)){
/*
* WORKAROUND:
* X509_STORE can count references, but
* X509_STORE_free() doesn't care it.
* So we won't increment it but mark it by ex_data.
*/
store = GetX509StorePtr(val); /* NO NEED TO DUP */
SSL_CTX_set_cert_store(ctx, store);
SSL_CTX_set_ex_data(ctx, ossl_ssl_ex_store_p, (void*)1);
}
val = ossl_sslctx_get_extra_cert(self);
if(!NIL_P(val)){
rb_block_call(val, rb_intern("each"), 0, 0, ossl_sslctx_add_extra_chain_cert_i, self);
}
/* private key may be bundled in certificate file. */
val = ossl_sslctx_get_cert(self);
cert = NIL_P(val) ? NULL : GetX509CertPtr(val); /* NO DUP NEEDED */
val = ossl_sslctx_get_key(self);
key = NIL_P(val) ? NULL : GetPKeyPtr(val); /* NO DUP NEEDED */
if (cert && key) {
if (!SSL_CTX_use_certificate(ctx, cert)) {
/* Adds a ref => Safe to FREE */
ossl_raise(eSSLError, "SSL_CTX_use_certificate:");
}
if (!SSL_CTX_use_PrivateKey(ctx, key)) {
/* Adds a ref => Safe to FREE */
ossl_raise(eSSLError, "SSL_CTX_use_PrivateKey:");
}
if (!SSL_CTX_check_private_key(ctx)) {
ossl_raise(eSSLError, "SSL_CTX_check_private_key:");
}
}
val = ossl_sslctx_get_client_ca(self);
if(!NIL_P(val)){
if(TYPE(val) == T_ARRAY){
for(i = 0; i < RARRAY_LEN(val); i++){
client_ca = GetX509CertPtr(RARRAY_PTR(val)[i]);
if (!SSL_CTX_add_client_CA(ctx, client_ca)){
/* Copies X509_NAME => FREE it. */
ossl_raise(eSSLError, "SSL_CTX_add_client_CA");
}
}
}
else{
client_ca = GetX509CertPtr(val); /* NO DUP NEEDED. */
if (!SSL_CTX_add_client_CA(ctx, client_ca)){
/* Copies X509_NAME => FREE it. */
ossl_raise(eSSLError, "SSL_CTX_add_client_CA");
}
}
}
val = ossl_sslctx_get_ca_file(self);
ca_file = NIL_P(val) ? NULL : StringValuePtr(val);
val = ossl_sslctx_get_ca_path(self);
ca_path = NIL_P(val) ? NULL : StringValuePtr(val);
if(ca_file || ca_path){
if (!SSL_CTX_load_verify_locations(ctx, ca_file, ca_path))
rb_warning("can't set verify locations");
}
val = ossl_sslctx_get_verify_mode(self);
verify_mode = NIL_P(val) ? SSL_VERIFY_NONE : NUM2INT(val);
SSL_CTX_set_verify(ctx, verify_mode, ossl_ssl_verify_callback);
if (RTEST(ossl_sslctx_get_client_cert_cb(self)))
SSL_CTX_set_client_cert_cb(ctx, ossl_client_cert_cb);
val = ossl_sslctx_get_timeout(self);
if(!NIL_P(val)) SSL_CTX_set_timeout(ctx, NUM2LONG(val));
val = ossl_sslctx_get_verify_dep(self);
if(!NIL_P(val)) SSL_CTX_set_verify_depth(ctx, NUM2LONG(val));
val = ossl_sslctx_get_options(self);
if(!NIL_P(val)) SSL_CTX_set_options(ctx, NUM2LONG(val));
rb_obj_freeze(self);
val = ossl_sslctx_get_sess_id_ctx(self);
if (!NIL_P(val)){
StringValue(val);
if (!SSL_CTX_set_session_id_context(ctx, (unsigned char *)RSTRING_PTR(val),
RSTRING_LEN(val))){
ossl_raise(eSSLError, "SSL_CTX_set_session_id_context:");
}
}
if (RTEST(rb_iv_get(self, "@session_get_cb"))) {
SSL_CTX_sess_set_get_cb(ctx, ossl_sslctx_session_get_cb);
OSSL_Debug("SSL SESSION get callback added");
}
if (RTEST(rb_iv_get(self, "@session_new_cb"))) {
SSL_CTX_sess_set_new_cb(ctx, ossl_sslctx_session_new_cb);
OSSL_Debug("SSL SESSION new callback added");
}
if (RTEST(rb_iv_get(self, "@session_remove_cb"))) {
SSL_CTX_sess_set_remove_cb(ctx, ossl_sslctx_session_remove_cb);
OSSL_Debug("SSL SESSION remove callback added");
}
#ifdef HAVE_SSL_SET_TLSEXT_HOST_NAME
val = rb_iv_get(self, "@servername_cb");
if (!NIL_P(val)) {
SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
OSSL_Debug("SSL TLSEXT servername callback added");
}
#endif
return Qtrue;
}
