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ruby/ext/openssl/ossl_ts.c

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47 KiB
C
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/*
*
* Copyright (C) 2010 Martin Bosslet <Martin.Bosslet@googlemail.com>
* All rights reserved.
*/
/*
* This program is licenced under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include "ossl.h"
#ifndef OPENSSL_NO_TS
#define NewTSRequest(klass) \
TypedData_Wrap_Struct((klass), &ossl_ts_req_type, 0)
#define SetTSRequest(obj, req) do { \
if (!(req)) { \
ossl_raise(rb_eRuntimeError, "TS_REQ wasn't initialized."); \
} \
RTYPEDDATA_DATA(obj) = (req); \
} while (0)
#define GetTSRequest(obj, req) do { \
TypedData_Get_Struct((obj), TS_REQ, &ossl_ts_req_type, (req)); \
if (!(req)) { \
ossl_raise(rb_eRuntimeError, "TS_REQ wasn't initialized."); \
} \
} while (0)
#define NewTSResponse(klass) \
TypedData_Wrap_Struct((klass), &ossl_ts_resp_type, 0)
#define SetTSResponse(obj, resp) do { \
if (!(resp)) { \
ossl_raise(rb_eRuntimeError, "TS_RESP wasn't initialized."); \
} \
RTYPEDDATA_DATA(obj) = (resp); \
} while (0)
#define GetTSResponse(obj, resp) do { \
TypedData_Get_Struct((obj), TS_RESP, &ossl_ts_resp_type, (resp)); \
if (!(resp)) { \
ossl_raise(rb_eRuntimeError, "TS_RESP wasn't initialized."); \
} \
} while (0)
#define NewTSTokenInfo(klass) \
TypedData_Wrap_Struct((klass), &ossl_ts_token_info_type, 0)
#define SetTSTokenInfo(obj, info) do { \
if (!(info)) { \
ossl_raise(rb_eRuntimeError, "TS_TST_INFO wasn't initialized."); \
} \
RTYPEDDATA_DATA(obj) = (info); \
} while (0)
#define GetTSTokenInfo(obj, info) do { \
TypedData_Get_Struct((obj), TS_TST_INFO, &ossl_ts_token_info_type, (info)); \
if (!(info)) { \
ossl_raise(rb_eRuntimeError, "TS_TST_INFO wasn't initialized."); \
} \
} while (0)
#define ossl_tsfac_get_default_policy_id(o) rb_attr_get((o),rb_intern("@default_policy_id"))
#define ossl_tsfac_get_serial_number(o) rb_attr_get((o),rb_intern("@serial_number"))
#define ossl_tsfac_get_gen_time(o) rb_attr_get((o),rb_intern("@gen_time"))
#define ossl_tsfac_get_additional_certs(o) rb_attr_get((o),rb_intern("@additional_certs"))
#define ossl_tsfac_get_allowed_digests(o) rb_attr_get((o),rb_intern("@allowed_digests"))
static VALUE mTimestamp;
static VALUE eTimestampError;
static VALUE cTimestampRequest;
static VALUE cTimestampResponse;
static VALUE cTimestampTokenInfo;
static VALUE cTimestampFactory;
static VALUE sBAD_ALG, sBAD_REQUEST, sBAD_DATA_FORMAT, sTIME_NOT_AVAILABLE;
static VALUE sUNACCEPTED_POLICY, sUNACCEPTED_EXTENSION, sADD_INFO_NOT_AVAILABLE;
static VALUE sSYSTEM_FAILURE;
static void
ossl_ts_req_free(void *ptr)
{
TS_REQ_free(ptr);
}
static const rb_data_type_t ossl_ts_req_type = {
"OpenSSL/Timestamp/Request",
{
0, ossl_ts_req_free,
},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
};
static void
ossl_ts_resp_free(void *ptr)
{
TS_RESP_free(ptr);
}
static const rb_data_type_t ossl_ts_resp_type = {
"OpenSSL/Timestamp/Response",
{
0, ossl_ts_resp_free,
},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
};
static void
ossl_ts_token_info_free(void *ptr)
{
TS_TST_INFO_free(ptr);
}
static const rb_data_type_t ossl_ts_token_info_type = {
"OpenSSL/Timestamp/TokenInfo",
{
0, ossl_ts_token_info_free,
},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
};
static VALUE
asn1_to_der(void *template, int (*i2d)(void *template, unsigned char **pp))
{
VALUE str;
int len;
unsigned char *p;
if((len = i2d(template, NULL)) <= 0)
ossl_raise(eTimestampError, "Error when encoding to DER");
str = rb_str_new(0, len);
p = (unsigned char *)RSTRING_PTR(str);
if(i2d(template, &p) <= 0)
ossl_raise(eTimestampError, "Error when encoding to DER");
rb_str_set_len(str, p - (unsigned char*)RSTRING_PTR(str));
return str;
}
static ASN1_OBJECT*
obj_to_asn1obj(VALUE obj)
{
ASN1_OBJECT *a1obj;
StringValue(obj);
a1obj = OBJ_txt2obj(RSTRING_PTR(obj), 0);
if(!a1obj) a1obj = OBJ_txt2obj(RSTRING_PTR(obj), 1);
if(!a1obj) ossl_raise(eASN1Error, "invalid OBJECT ID");
return a1obj;
}
static VALUE
obj_to_asn1obj_i(VALUE obj)
{
return (VALUE)obj_to_asn1obj(obj);
}
static VALUE
get_asn1obj(ASN1_OBJECT *obj)
{
BIO *out;
VALUE ret;
int nid;
if ((nid = OBJ_obj2nid(obj)) != NID_undef)
ret = rb_str_new2(OBJ_nid2sn(nid));
else{
if (!(out = BIO_new(BIO_s_mem())))
ossl_raise(eX509AttrError, NULL);
i2a_ASN1_OBJECT(out, obj);
ret = ossl_membio2str(out);
}
return ret;
}
static VALUE
ossl_ts_req_alloc(VALUE klass)
{
TS_REQ *req;
VALUE obj;
obj = NewTSRequest(klass);
if (!(req = TS_REQ_new()))
ossl_raise(eTimestampError, NULL);
SetTSRequest(obj, req);
/* Defaults */
TS_REQ_set_version(req, 1);
TS_REQ_set_cert_req(req, 1);
return obj;
}
/*
* When creating a Request with the +File+ or +string+ parameter, the
* corresponding +File+ or +string+ must be DER-encoded.
*
* call-seq:
* OpenSSL::Timestamp::Request.new(file) -> request
* OpenSSL::Timestamp::Request.new(string) -> request
* OpenSSL::Timestamp::Request.new -> empty request
*/
static VALUE
ossl_ts_req_initialize(int argc, VALUE *argv, VALUE self)
{
TS_REQ *ts_req = DATA_PTR(self);
BIO *in;
VALUE arg;
if(rb_scan_args(argc, argv, "01", &arg) == 0) {
return self;
}
arg = ossl_to_der_if_possible(arg);
in = ossl_obj2bio(&arg);
ts_req = d2i_TS_REQ_bio(in, &ts_req);
BIO_free(in);
if (!ts_req) {
DATA_PTR(self) = NULL;
ossl_raise(eTimestampError, "Error when decoding the timestamp request");
}
DATA_PTR(self) = ts_req;
return self;
}
/*
* Returns the 'short name' of the object identifier that represents the
* algorithm that was used to create the message imprint digest.
*
* call-seq:
* request.algorithm -> string
*/
static VALUE
ossl_ts_req_get_algorithm(VALUE self)
{
TS_REQ *req;
TS_MSG_IMPRINT *mi;
X509_ALGOR *algor;
GetTSRequest(self, req);
mi = TS_REQ_get_msg_imprint(req);
algor = TS_MSG_IMPRINT_get_algo(mi);
return get_asn1obj(algor->algorithm);
}
/*
* Allows to set the object identifier or the 'short name' of the
* algorithm that was used to create the message imprint digest.
*
* ===Example:
* request.algorithm = "SHA1"
*
* call-seq:
* request.algorithm = "string" -> string
*/
static VALUE
ossl_ts_req_set_algorithm(VALUE self, VALUE algo)
{
TS_REQ *req;
TS_MSG_IMPRINT *mi;
ASN1_OBJECT *obj;
X509_ALGOR *algor;
GetTSRequest(self, req);
obj = obj_to_asn1obj(algo);
mi = TS_REQ_get_msg_imprint(req);
algor = TS_MSG_IMPRINT_get_algo(mi);
if (!X509_ALGOR_set0(algor, obj, V_ASN1_NULL, NULL)) {
ASN1_OBJECT_free(obj);
ossl_raise(eTimestampError, "X509_ALGOR_set0");
}
return algo;
}
/*
* Returns the message imprint (digest) of the data to be timestamped.
*
* call-seq:
* request.message_imprint -> string or nil
*/
static VALUE
ossl_ts_req_get_msg_imprint(VALUE self)
{
TS_REQ *req;
TS_MSG_IMPRINT *mi;
ASN1_OCTET_STRING *hashed_msg;
VALUE ret;
GetTSRequest(self, req);
mi = TS_REQ_get_msg_imprint(req);
hashed_msg = TS_MSG_IMPRINT_get_msg(mi);
ret = rb_str_new((const char *)hashed_msg->data, hashed_msg->length);
return ret;
}
/*
* Set the message imprint digest.
*
* call-seq:
* request.message_imprint = "string" -> string
*/
static VALUE
ossl_ts_req_set_msg_imprint(VALUE self, VALUE hash)
{
TS_REQ *req;
TS_MSG_IMPRINT *mi;
StringValue(hash);
GetTSRequest(self, req);
mi = TS_REQ_get_msg_imprint(req);
if (!TS_MSG_IMPRINT_set_msg(mi, (unsigned char *)RSTRING_PTR(hash), RSTRING_LENINT(hash)))
ossl_raise(eTimestampError, "TS_MSG_IMPRINT_set_msg");
return hash;
}
/*
* Returns the version of this request. +1+ is the default value.
*
* call-seq:
* request.version -> Integer
*/
static VALUE
ossl_ts_req_get_version(VALUE self)
{
TS_REQ *req;
GetTSRequest(self, req);
return LONG2NUM(TS_REQ_get_version(req));
}
/*
* Sets the version number for this Request. This should be +1+ for compliant
* servers.
*
* call-seq:
* request.version = number -> Integer
*/
static VALUE
ossl_ts_req_set_version(VALUE self, VALUE version)
{
TS_REQ *req;
long ver;
if ((ver = NUM2LONG(version)) < 0)
ossl_raise(eTimestampError, "version must be >= 0!");
GetTSRequest(self, req);
if (!TS_REQ_set_version(req, ver))
ossl_raise(eTimestampError, "TS_REQ_set_version");
return version;
}
/*
* Returns the 'short name' of the object identifier that represents the
* timestamp policy under which the server shall create the timestamp.
*
* call-seq:
* request.policy_id -> string or nil
*/
static VALUE
ossl_ts_req_get_policy_id(VALUE self)
{
TS_REQ *req;
GetTSRequest(self, req);
if (!TS_REQ_get_policy_id(req))
return Qnil;
return get_asn1obj(TS_REQ_get_policy_id(req));
}
/*
* Allows to set the object identifier that represents the
* timestamp policy under which the server shall create the timestamp. This
* may be left +nil+, implying that the timestamp server will issue the
* timestamp using some default policy.
*
* ===Example:
* request.policy_id = "1.2.3.4.5"
*
* call-seq:
* request.policy_id = "string" -> string
*/
static VALUE
ossl_ts_req_set_policy_id(VALUE self, VALUE oid)
{
TS_REQ *req;
ASN1_OBJECT *obj;
int ok;
GetTSRequest(self, req);
obj = obj_to_asn1obj(oid);
ok = TS_REQ_set_policy_id(req, obj);
ASN1_OBJECT_free(obj);
if (!ok)
ossl_raise(eTimestampError, "TS_REQ_set_policy_id");
return oid;
}
/*
* Returns the nonce (number used once) that the server shall include in its
* response.
*
* call-seq:
* request.nonce -> BN or nil
*/
static VALUE
ossl_ts_req_get_nonce(VALUE self)
{
TS_REQ *req;
const ASN1_INTEGER * nonce;
GetTSRequest(self, req);
if (!(nonce = TS_REQ_get_nonce(req)))
return Qnil;
return asn1integer_to_num(nonce);
}
/*
* Sets the nonce (number used once) that the server shall include in its
* response. If the nonce is set, the server must return the same nonce value in
* a valid Response.
*
* call-seq:
* request.nonce = number -> BN
*/
static VALUE
ossl_ts_req_set_nonce(VALUE self, VALUE num)
{
TS_REQ *req;
ASN1_INTEGER *nonce;
int ok;
GetTSRequest(self, req);
nonce = num_to_asn1integer(num, NULL);
ok = TS_REQ_set_nonce(req, nonce);
ASN1_INTEGER_free(nonce);
if (!ok)
ossl_raise(eTimestampError, NULL);
return num;
}
/*
* Indicates whether the response shall contain the timestamp authority's
* certificate or not.
*
* call-seq:
* request.cert_requested? -> true or false
*/
static VALUE
ossl_ts_req_get_cert_requested(VALUE self)
{
TS_REQ *req;
GetTSRequest(self, req);
return TS_REQ_get_cert_req(req) ? Qtrue: Qfalse;
}
/*
* Specify whether the response shall contain the timestamp authority's
* certificate or not. The default value is +true+.
*
* call-seq:
* request.cert_requested = boolean -> true or false
*/
static VALUE
ossl_ts_req_set_cert_requested(VALUE self, VALUE requested)
{
TS_REQ *req;
GetTSRequest(self, req);
TS_REQ_set_cert_req(req, RTEST(requested));
return requested;
}
/*
* DER-encodes this Request.
*
* call-seq:
* request.to_der -> DER-encoded string
*/
static VALUE
ossl_ts_req_to_der(VALUE self)
{
TS_REQ *req;
TS_MSG_IMPRINT *mi;
X509_ALGOR *algo;
ASN1_OCTET_STRING *hashed_msg;
GetTSRequest(self, req);
mi = TS_REQ_get_msg_imprint(req);
algo = TS_MSG_IMPRINT_get_algo(mi);
if (OBJ_obj2nid(algo->algorithm) == NID_undef)
ossl_raise(eTimestampError, "Message imprint missing algorithm");
hashed_msg = TS_MSG_IMPRINT_get_msg(mi);
if (!hashed_msg->length)
ossl_raise(eTimestampError, "Message imprint missing hashed message");
return asn1_to_der((void *)req, (int (*)(void *, unsigned char **))i2d_TS_REQ);
}
static VALUE
ossl_ts_resp_alloc(VALUE klass)
{
TS_RESP *resp;
VALUE obj;
obj = NewTSResponse(klass);
if (!(resp = TS_RESP_new()))
ossl_raise(eTimestampError, NULL);
SetTSResponse(obj, resp);
return obj;
}
/*
* Creates a Response from a +File+ or +string+ parameter, the
* corresponding +File+ or +string+ must be DER-encoded. Please note
* that Response is an immutable read-only class. If you'd like to create
* timestamps please refer to Factory instead.
*
* call-seq:
* OpenSSL::Timestamp::Response.new(file) -> response
* OpenSSL::Timestamp::Response.new(string) -> response
*/
static VALUE
ossl_ts_resp_initialize(VALUE self, VALUE der)
{
TS_RESP *ts_resp = DATA_PTR(self);
BIO *in;
der = ossl_to_der_if_possible(der);
in = ossl_obj2bio(&der);
ts_resp = d2i_TS_RESP_bio(in, &ts_resp);
BIO_free(in);
if (!ts_resp) {
DATA_PTR(self) = NULL;
ossl_raise(eTimestampError, "Error when decoding the timestamp response");
}
DATA_PTR(self) = ts_resp;
return self;
}
/*
* Returns one of GRANTED, GRANTED_WITH_MODS, REJECTION, WAITING,
* REVOCATION_WARNING or REVOCATION_NOTIFICATION. A timestamp token has
* been created only in case +status+ is equal to GRANTED or GRANTED_WITH_MODS.
*
* call-seq:
* response.status -> BN (never nil)
*/
static VALUE
ossl_ts_resp_get_status(VALUE self)
{
TS_RESP *resp;
TS_STATUS_INFO *si;
const ASN1_INTEGER *st;
GetTSResponse(self, resp);
si = TS_RESP_get_status_info(resp);
st = TS_STATUS_INFO_get0_status(si);
return asn1integer_to_num(st);
}
/*
* In cases no timestamp token has been created, this field contains further
* info about the reason why response creation failed. The method returns either
* nil (the request was successful and a timestamp token was created) or one of
* the following:
* * :BAD_ALG - Indicates that the timestamp server rejects the message
* imprint algorithm used in the Request
* * :BAD_REQUEST - Indicates that the timestamp server was not able to process
* the Request properly
* * :BAD_DATA_FORMAT - Indicates that the timestamp server was not able to
* parse certain data in the Request
* * :TIME_NOT_AVAILABLE - Indicates that the server could not access its time
* source
* * :UNACCEPTED_POLICY - Indicates that the requested policy identifier is not
* recognized or supported by the timestamp server
* * :UNACCEPTED_EXTENSIION - Indicates that an extension in the Request is
* not supported by the timestamp server
* * :ADD_INFO_NOT_AVAILABLE -Indicates that additional information requested
* is either not understood or currently not available
* * :SYSTEM_FAILURE - Timestamp creation failed due to an internal error that
* occurred on the timestamp server
*
* call-seq:
* response.failure_info -> nil or symbol
*/
static VALUE
ossl_ts_resp_get_failure_info(VALUE self)
{
TS_RESP *resp;
TS_STATUS_INFO *si;
/* The ASN1_BIT_STRING_get_bit changed from 1.0.0. to 1.1.0, making this
* const. */
#if defined(HAVE_TS_STATUS_INFO_GET0_FAILURE_INFO)
const ASN1_BIT_STRING *fi;
#else
ASN1_BIT_STRING *fi;
#endif
GetTSResponse(self, resp);
si = TS_RESP_get_status_info(resp);
fi = TS_STATUS_INFO_get0_failure_info(si);
if (!fi)
return Qnil;
if (ASN1_BIT_STRING_get_bit(fi, TS_INFO_BAD_ALG))
return sBAD_ALG;
if (ASN1_BIT_STRING_get_bit(fi, TS_INFO_BAD_REQUEST))
return sBAD_REQUEST;
if (ASN1_BIT_STRING_get_bit(fi, TS_INFO_BAD_DATA_FORMAT))
return sBAD_DATA_FORMAT;
if (ASN1_BIT_STRING_get_bit(fi, TS_INFO_TIME_NOT_AVAILABLE))
return sTIME_NOT_AVAILABLE;
if (ASN1_BIT_STRING_get_bit(fi, TS_INFO_UNACCEPTED_POLICY))
return sUNACCEPTED_POLICY;
if (ASN1_BIT_STRING_get_bit(fi, TS_INFO_UNACCEPTED_EXTENSION))
return sUNACCEPTED_EXTENSION;
if (ASN1_BIT_STRING_get_bit(fi, TS_INFO_ADD_INFO_NOT_AVAILABLE))
return sADD_INFO_NOT_AVAILABLE;
if (ASN1_BIT_STRING_get_bit(fi, TS_INFO_SYSTEM_FAILURE))
return sSYSTEM_FAILURE;
ossl_raise(eTimestampError, "Unrecognized failure info.");
}
/*
* In cases of failure this field may contain an array of strings further
* describing the origin of the failure.
*
* call-seq:
* response.status_text -> Array of strings or nil
*/
static VALUE
ossl_ts_resp_get_status_text(VALUE self)
{
TS_RESP *resp;
TS_STATUS_INFO *si;
const STACK_OF(ASN1_UTF8STRING) *text;
ASN1_UTF8STRING *current;
int i;
VALUE ret = rb_ary_new();
GetTSResponse(self, resp);
si = TS_RESP_get_status_info(resp);
if ((text = TS_STATUS_INFO_get0_text(si))) {
for (i = 0; i < sk_ASN1_UTF8STRING_num(text); i++) {
current = sk_ASN1_UTF8STRING_value(text, i);
rb_ary_push(ret, asn1str_to_str(current));
}
}
return ret;
}
/*
* If a timestamp token is present, this returns it in the form of a
* OpenSSL::PKCS7.
*
* call-seq:
* response.token -> nil or OpenSSL::PKCS7
*/
static VALUE
ossl_ts_resp_get_token(VALUE self)
{
TS_RESP *resp;
PKCS7 *p7, *copy;
VALUE obj;
GetTSResponse(self, resp);
if (!(p7 = TS_RESP_get_token(resp)))
return Qnil;
obj = NewPKCS7(cPKCS7);
if (!(copy = PKCS7_dup(p7)))
ossl_raise(eTimestampError, NULL);
SetPKCS7(obj, copy);
return obj;
}
/*
* Get the response's token info if present.
*
* call-seq:
* response.token_info -> nil or OpenSSL::Timestamp::TokenInfo
*/
static VALUE
ossl_ts_resp_get_token_info(VALUE self)
{
TS_RESP *resp;
TS_TST_INFO *info, *copy;
VALUE obj;
GetTSResponse(self, resp);
if (!(info = TS_RESP_get_tst_info(resp)))
return Qnil;
obj = NewTSTokenInfo(cTimestampTokenInfo);
if (!(copy = TS_TST_INFO_dup(info)))
ossl_raise(eTimestampError, NULL);
SetTSTokenInfo(obj, copy);
return obj;
}
/*
* If the Request specified to request the TSA certificate
* (Request#cert_requested = true), then this field contains the
* certificate of the timestamp authority.
*
* call-seq:
* response.tsa_certificate -> OpenSSL::X509::Certificate or nil
*/
static VALUE
ossl_ts_resp_get_tsa_certificate(VALUE self)
{
TS_RESP *resp;
PKCS7 *p7;
PKCS7_SIGNER_INFO *ts_info;
X509 *cert;
GetTSResponse(self, resp);
if (!(p7 = TS_RESP_get_token(resp)))
return Qnil;
ts_info = sk_PKCS7_SIGNER_INFO_value(p7->d.sign->signer_info, 0);
cert = PKCS7_cert_from_signer_info(p7, ts_info);
if (!cert)
return Qnil;
return ossl_x509_new(cert);
}
/*
* Returns the Response in DER-encoded form.
*
* call-seq:
* response.to_der -> string
*/
static VALUE
ossl_ts_resp_to_der(VALUE self)
{
TS_RESP *resp;
GetTSResponse(self, resp);
return asn1_to_der((void *)resp, (int (*)(void *, unsigned char **))i2d_TS_RESP);
}
/*
* Verifies a timestamp token by checking the signature, validating the
* certificate chain implied by tsa_certificate and by checking conformance to
* a given Request. Mandatory parameters are the Request associated to this
* Response, and an OpenSSL::X509::Store of trusted roots.
*
* Intermediate certificates can optionally be supplied for creating the
* certificate chain. These intermediate certificates must all be
* instances of OpenSSL::X509::Certificate.
*
* If validation fails, several kinds of exceptions can be raised:
* * TypeError if types don't fit
* * TimestampError if something is wrong with the timestamp token itself, if
* it is not conformant to the Request, or if validation of the timestamp
* certificate chain fails.
*
* call-seq:
* response.verify(Request, root_store) -> Response
* response.verify(Request, root_store, [intermediate_cert]) -> Response
*/
static VALUE
ossl_ts_resp_verify(int argc, VALUE *argv, VALUE self)
{
VALUE ts_req, store, intermediates;
TS_RESP *resp;
TS_REQ *req;
X509_STORE *x509st;
TS_VERIFY_CTX *ctx;
STACK_OF(X509) *x509inter = NULL;
PKCS7* p7;
X509 *cert;
int status, i, ok;
rb_scan_args(argc, argv, "21", &ts_req, &store, &intermediates);
GetTSResponse(self, resp);
GetTSRequest(ts_req, req);
x509st = GetX509StorePtr(store);
if (!(ctx = TS_REQ_to_TS_VERIFY_CTX(req, NULL))) {
ossl_raise(eTimestampError, "Error when creating the verification context.");
}
if (!NIL_P(intermediates)) {
x509inter = ossl_protect_x509_ary2sk(intermediates, &status);
if (status) {
TS_VERIFY_CTX_free(ctx);
rb_jump_tag(status);
}
} else if (!(x509inter = sk_X509_new_null())) {
TS_VERIFY_CTX_free(ctx);
ossl_raise(eTimestampError, "sk_X509_new_null");
}
if (!(p7 = TS_RESP_get_token(resp))) {
TS_VERIFY_CTX_free(ctx);
sk_X509_pop_free(x509inter, X509_free);
ossl_raise(eTimestampError, "TS_RESP_get_token");
}
for (i=0; i < sk_X509_num(p7->d.sign->cert); i++) {
cert = sk_X509_value(p7->d.sign->cert, i);
if (!sk_X509_push(x509inter, cert)) {
sk_X509_pop_free(x509inter, X509_free);
TS_VERIFY_CTX_free(ctx);
ossl_raise(eTimestampError, "sk_X509_push");
}
X509_up_ref(cert);
}
TS_VERIFY_CTX_set_certs(ctx, x509inter);
TS_VERIFY_CTX_add_flags(ctx, TS_VFY_SIGNATURE);
TS_VERIFY_CTX_set_store(ctx, x509st);
ok = TS_RESP_verify_response(ctx, resp);
/*
* TS_VERIFY_CTX_set_store() call above does not increment the reference
* counter, so it must be unset before TS_VERIFY_CTX_free() is called.
*/
TS_VERIFY_CTX_set_store(ctx, NULL);
TS_VERIFY_CTX_free(ctx);
if (!ok)
ossl_raise(eTimestampError, "TS_RESP_verify_response");
return self;
}
static VALUE
ossl_ts_token_info_alloc(VALUE klass)
{
TS_TST_INFO *info;
VALUE obj;
obj = NewTSTokenInfo(klass);
if (!(info = TS_TST_INFO_new()))
ossl_raise(eTimestampError, NULL);
SetTSTokenInfo(obj, info);
return obj;
}
/*
* Creates a TokenInfo from a +File+ or +string+ parameter, the
* corresponding +File+ or +string+ must be DER-encoded. Please note
* that TokenInfo is an immutable read-only class. If you'd like to create
* timestamps please refer to Factory instead.
*
* call-seq:
* OpenSSL::Timestamp::TokenInfo.new(file) -> token-info
* OpenSSL::Timestamp::TokenInfo.new(string) -> token-info
*/
static VALUE
ossl_ts_token_info_initialize(VALUE self, VALUE der)
{
TS_TST_INFO *info = DATA_PTR(self);
BIO *in;
der = ossl_to_der_if_possible(der);
in = ossl_obj2bio(&der);
info = d2i_TS_TST_INFO_bio(in, &info);
BIO_free(in);
if (!info) {
DATA_PTR(self) = NULL;
ossl_raise(eTimestampError, "Error when decoding the timestamp token info");
}
DATA_PTR(self) = info;
return self;
}
/*
* Returns the version number of the token info. With compliant servers,
* this value should be +1+ if present. If status is GRANTED or
* GRANTED_WITH_MODS.
*
* call-seq:
* token_info.version -> Integer or nil
*/
static VALUE
ossl_ts_token_info_get_version(VALUE self)
{
TS_TST_INFO *info;
GetTSTokenInfo(self, info);
return LONG2NUM(TS_TST_INFO_get_version(info));
}
/*
* Returns the timestamp policy object identifier of the policy this timestamp
* was created under. If status is GRANTED or GRANTED_WITH_MODS, this is never
* +nil+.
*
* ===Example:
* id = token_info.policy_id
* puts id -> "1.2.3.4.5"
*
* call-seq:
* token_info.policy_id -> string or nil
*/
static VALUE
ossl_ts_token_info_get_policy_id(VALUE self)
{
TS_TST_INFO *info;
GetTSTokenInfo(self, info);
return get_asn1obj(TS_TST_INFO_get_policy_id(info));
}
/*
* Returns the 'short name' of the object identifier representing the algorithm
* that was used to derive the message imprint digest. For valid timestamps,
* this is the same value that was already given in the Request. If status is
* GRANTED or GRANTED_WITH_MODS, this is never +nil+.
*
* ===Example:
* algo = token_info.algorithm
* puts algo -> "SHA1"
*
* call-seq:
* token_info.algorithm -> string or nil
*/
static VALUE
ossl_ts_token_info_get_algorithm(VALUE self)
{
TS_TST_INFO *info;
TS_MSG_IMPRINT *mi;
X509_ALGOR *algo;
GetTSTokenInfo(self, info);
mi = TS_TST_INFO_get_msg_imprint(info);
algo = TS_MSG_IMPRINT_get_algo(mi);
return get_asn1obj(algo->algorithm);
}
/*
* Returns the message imprint digest. For valid timestamps,
* this is the same value that was already given in the Request.
* If status is GRANTED or GRANTED_WITH_MODS, this is never +nil+.
*
* ===Example:
* mi = token_info.msg_imprint
* puts mi -> "DEADBEEF"
*
* call-seq:
* token_info.msg_imprint -> string.
*/
static VALUE
ossl_ts_token_info_get_msg_imprint(VALUE self)
{
TS_TST_INFO *info;
TS_MSG_IMPRINT *mi;
ASN1_OCTET_STRING *hashed_msg;
VALUE ret;
GetTSTokenInfo(self, info);
mi = TS_TST_INFO_get_msg_imprint(info);
hashed_msg = TS_MSG_IMPRINT_get_msg(mi);
ret = rb_str_new((const char *)hashed_msg->data, hashed_msg->length);
return ret;
}
/*
* Returns serial number of the timestamp token. This value shall never be the
* same for two timestamp tokens issued by a dedicated timestamp authority.
* If status is GRANTED or GRANTED_WITH_MODS, this is never +nil+.
*
* call-seq:
* token_info.serial_number -> BN or nil
*/
static VALUE
ossl_ts_token_info_get_serial_number(VALUE self)
{
TS_TST_INFO *info;
GetTSTokenInfo(self, info);
return asn1integer_to_num(TS_TST_INFO_get_serial(info));
}
/*
* Returns time when this timestamp token was created. If status is GRANTED or
* GRANTED_WITH_MODS, this is never +nil+.
*
* call-seq:
* token_info.gen_time -> Time
*/
static VALUE
ossl_ts_token_info_get_gen_time(VALUE self)
{
TS_TST_INFO *info;
GetTSTokenInfo(self, info);
return asn1time_to_time(TS_TST_INFO_get_time(info));
}
/*
* If the ordering field is missing, or if the ordering field is present
* and set to false, then the genTime field only indicates the time at
* which the time-stamp token has been created by the TSA. In such a
* case, the ordering of time-stamp tokens issued by the same TSA or
* different TSAs is only possible when the difference between the
* genTime of the first time-stamp token and the genTime of the second
* time-stamp token is greater than the sum of the accuracies of the
* genTime for each time-stamp token.
*
* If the ordering field is present and set to true, every time-stamp
* token from the same TSA can always be ordered based on the genTime
* field, regardless of the genTime accuracy.
*
* call-seq:
* token_info.ordering -> true, falses or nil
*/
static VALUE
ossl_ts_token_info_get_ordering(VALUE self)
{
TS_TST_INFO *info;
GetTSTokenInfo(self, info);
return TS_TST_INFO_get_ordering(info) ? Qtrue : Qfalse;
}
/*
* If the timestamp token is valid then this field contains the same nonce that
* was passed to the timestamp server in the initial Request.
*
* call-seq:
* token_info.nonce -> BN or nil
*/
static VALUE
ossl_ts_token_info_get_nonce(VALUE self)
{
TS_TST_INFO *info;
const ASN1_INTEGER *nonce;
GetTSTokenInfo(self, info);
if (!(nonce = TS_TST_INFO_get_nonce(info)))
return Qnil;
return asn1integer_to_num(nonce);
}
/*
* Returns the TokenInfo in DER-encoded form.
*
* call-seq:
* token_info.to_der -> string
*/
static VALUE
ossl_ts_token_info_to_der(VALUE self)
{
TS_TST_INFO *info;
GetTSTokenInfo(self, info);
return asn1_to_der((void *)info, (int (*)(void *, unsigned char **))i2d_TS_TST_INFO);
}
static ASN1_INTEGER *
ossl_tsfac_serial_cb(struct TS_resp_ctx *ctx, void *data)
{
ASN1_INTEGER **snptr = (ASN1_INTEGER **)data;
ASN1_INTEGER *sn = *snptr;
*snptr = NULL;
return sn;
}
static int
#if !defined(LIBRESSL_VERSION_NUMBER)
ossl_tsfac_time_cb(struct TS_resp_ctx *ctx, void *data, long *sec, long *usec)
#else
ossl_tsfac_time_cb(struct TS_resp_ctx *ctx, void *data, time_t *sec, long *usec)
#endif
{
*sec = *((long *)data);
*usec = 0;
return 1;
}
static VALUE
ossl_evp_get_digestbyname_i(VALUE arg)
{
return (VALUE)ossl_evp_get_digestbyname(arg);
}
static VALUE
ossl_obj2bio_i(VALUE arg)
{
return (VALUE)ossl_obj2bio((VALUE *)arg);
}
/*
* Creates a Response with the help of an OpenSSL::PKey, an
* OpenSSL::X509::Certificate and a Request.
*
* Mandatory parameters for timestamp creation that need to be set in the
* Request:
*
* * Request#algorithm
* * Request#message_imprint
*
* Mandatory parameters that need to be set in the Factory:
* * Factory#serial_number
* * Factory#gen_time
* * Factory#allowed_digests
*
* In addition one of either Request#policy_id or Factory#default_policy_id
* must be set.
*
* Raises a TimestampError if creation fails, though successfully created error
* responses may be returned.
*
* call-seq:
* factory.create_timestamp(key, certificate, request) -> Response
*/
static VALUE
ossl_tsfac_create_ts(VALUE self, VALUE key, VALUE certificate, VALUE request)
{
VALUE serial_number, def_policy_id, gen_time, additional_certs, allowed_digests;
VALUE str;
STACK_OF(X509) *inter_certs;
VALUE tsresp, ret = Qnil;
EVP_PKEY *sign_key;
X509 *tsa_cert;
TS_REQ *req;
TS_RESP *response = NULL;
TS_RESP_CTX *ctx = NULL;
BIO *req_bio;
ASN1_INTEGER *asn1_serial = NULL;
ASN1_OBJECT *def_policy_id_obj = NULL;
long lgen_time;
const char * err_msg = NULL;
int status = 0;
tsresp = NewTSResponse(cTimestampResponse);
tsa_cert = GetX509CertPtr(certificate);
sign_key = GetPrivPKeyPtr(key);
GetTSRequest(request, req);
gen_time = ossl_tsfac_get_gen_time(self);
if (!rb_obj_is_instance_of(gen_time, rb_cTime)) {
err_msg = "@gen_time must be a Time.";
goto end;
}
lgen_time = NUM2LONG(rb_funcall(gen_time, rb_intern("to_i"), 0));
serial_number = ossl_tsfac_get_serial_number(self);
if (NIL_P(serial_number)) {
err_msg = "@serial_number must be set.";
goto end;
}
asn1_serial = num_to_asn1integer(serial_number, NULL);
def_policy_id = ossl_tsfac_get_default_policy_id(self);
if (NIL_P(def_policy_id) && !TS_REQ_get_policy_id(req)) {
err_msg = "No policy id in the request and no default policy set";
goto end;
}
if (!NIL_P(def_policy_id) && !TS_REQ_get_policy_id(req)) {
def_policy_id_obj = (ASN1_OBJECT*)rb_protect(obj_to_asn1obj_i, (VALUE)def_policy_id, &status);
if (status)
goto end;
}
if (!(ctx = TS_RESP_CTX_new())) {
err_msg = "Memory allocation failed.";
goto end;
}
TS_RESP_CTX_set_serial_cb(ctx, ossl_tsfac_serial_cb, &asn1_serial);
if (!TS_RESP_CTX_set_signer_cert(ctx, tsa_cert)) {
err_msg = "Certificate does not contain the timestamping extension";
goto end;
}
additional_certs = ossl_tsfac_get_additional_certs(self);
if (rb_obj_is_kind_of(additional_certs, rb_cArray)) {
inter_certs = ossl_protect_x509_ary2sk(additional_certs, &status);
if (status)
goto end;
/* this dups the sk_X509 and ups each cert's ref count */
TS_RESP_CTX_set_certs(ctx, inter_certs);
sk_X509_pop_free(inter_certs, X509_free);
}
TS_RESP_CTX_set_signer_key(ctx, sign_key);
if (!NIL_P(def_policy_id) && !TS_REQ_get_policy_id(req))
TS_RESP_CTX_set_def_policy(ctx, def_policy_id_obj);
if (TS_REQ_get_policy_id(req))
TS_RESP_CTX_set_def_policy(ctx, TS_REQ_get_policy_id(req));
TS_RESP_CTX_set_time_cb(ctx, ossl_tsfac_time_cb, &lgen_time);
allowed_digests = ossl_tsfac_get_allowed_digests(self);
if (rb_obj_is_kind_of(allowed_digests, rb_cArray)) {
int i;
VALUE rbmd;
const EVP_MD *md;
for (i = 0; i < RARRAY_LEN(allowed_digests); i++) {
rbmd = rb_ary_entry(allowed_digests, i);
md = (const EVP_MD *)rb_protect(ossl_evp_get_digestbyname_i, rbmd, &status);
if (status)
goto end;
TS_RESP_CTX_add_md(ctx, md);
}
}
str = rb_protect(ossl_to_der, request, &status);
if (status)
goto end;
req_bio = (BIO*)rb_protect(ossl_obj2bio_i, (VALUE)&str, &status);
if (status)
goto end;
response = TS_RESP_create_response(ctx, req_bio);
BIO_free(req_bio);
if (!response) {
err_msg = "Error during response generation";
goto end;
}
/* bad responses aren't exceptional, but openssl still sets error
* information. */
ossl_clear_error();
SetTSResponse(tsresp, response);
ret = tsresp;
end:
ASN1_INTEGER_free(asn1_serial);
ASN1_OBJECT_free(def_policy_id_obj);
TS_RESP_CTX_free(ctx);
if (err_msg)
rb_exc_raise(ossl_make_error(eTimestampError, rb_str_new_cstr(err_msg)));
if (status)
rb_jump_tag(status);
return ret;
}
/*
* INIT
*/
void
Init_ossl_ts(void)
{
#if 0
mOSSL = rb_define_module("OpenSSL"); /* let rdoc know about mOSSL */
#endif
/*
* Possible return value for +Response#failure_info+. Indicates that the
* timestamp server rejects the message imprint algorithm used in the
* +Request+
*/
sBAD_ALG = ID2SYM(rb_intern_const("BAD_ALG"));
/*
* Possible return value for +Response#failure_info+. Indicates that the
* timestamp server was not able to process the +Request+ properly.
*/
sBAD_REQUEST = ID2SYM(rb_intern_const("BAD_REQUEST"));
/*
* Possible return value for +Response#failure_info+. Indicates that the
* timestamp server was not able to parse certain data in the +Request+.
*/
sBAD_DATA_FORMAT = ID2SYM(rb_intern_const("BAD_DATA_FORMAT"));
sTIME_NOT_AVAILABLE = ID2SYM(rb_intern_const("TIME_NOT_AVAILABLE"));
sUNACCEPTED_POLICY = ID2SYM(rb_intern_const("UNACCEPTED_POLICY"));
sUNACCEPTED_EXTENSION = ID2SYM(rb_intern_const("UNACCEPTED_EXTENSION"));
sADD_INFO_NOT_AVAILABLE = ID2SYM(rb_intern_const("ADD_INFO_NOT_AVAILABLE"));
sSYSTEM_FAILURE = ID2SYM(rb_intern_const("SYSTEM_FAILURE"));
/* Document-class: OpenSSL::Timestamp
* Provides classes and methods to request, create and validate
* {RFC3161-compliant}[http://www.ietf.org/rfc/rfc3161.txt] timestamps.
* Request may be used to either create requests from scratch or to parse
* existing requests that again can be used to request timestamps from a
* timestamp server, e.g. via the net/http. The resulting timestamp
* response may be parsed using Response.
*
* Please note that Response is read-only and immutable. To create a
* Response, an instance of Factory as well as a valid Request are needed.
*
* ===Create a Response:
* #Assumes ts.p12 is a PKCS#12-compatible file with a private key
* #and a certificate that has an extended key usage of 'timeStamping'
* p12 = OpenSSL::PKCS12.new(File.binread('ts.p12'), 'pwd')
* md = OpenSSL::Digest.new('SHA1')
* hash = md.digest(data) #some binary data to be timestamped
* req = OpenSSL::Timestamp::Request.new
* req.algorithm = 'SHA1'
* req.message_imprint = hash
* req.policy_id = "1.2.3.4.5"
* req.nonce = 42
* fac = OpenSSL::Timestamp::Factory.new
* fac.gen_time = Time.now
* fac.serial_number = 1
* timestamp = fac.create_timestamp(p12.key, p12.certificate, req)
*
* ===Verify a timestamp response:
* #Assume we have a timestamp token in a file called ts.der
* ts = OpenSSL::Timestamp::Response.new(File.binread('ts.der'))
* #Assume we have the Request for this token in a file called req.der
* req = OpenSSL::Timestamp::Request.new(File.binread('req.der'))
* # Assume the associated root CA certificate is contained in a
* # DER-encoded file named root.cer
* root = OpenSSL::X509::Certificate.new(File.binread('root.cer'))
* # get the necessary intermediate certificates, available in
* # DER-encoded form in inter1.cer and inter2.cer
* inter1 = OpenSSL::X509::Certificate.new(File.binread('inter1.cer'))
* inter2 = OpenSSL::X509::Certificate.new(File.binread('inter2.cer'))
* ts.verify(req, root, inter1, inter2) -> ts or raises an exception if validation fails
*
*/
mTimestamp = rb_define_module_under(mOSSL, "Timestamp");
/* Document-class: OpenSSL::Timestamp::TimestampError
* Generic exception class of the Timestamp module.
*/
eTimestampError = rb_define_class_under(mTimestamp, "TimestampError", eOSSLError);
/* Document-class: OpenSSL::Timestamp::Response
* Immutable and read-only representation of a timestamp response returned
* from a timestamp server after receiving an associated Request. Allows
* access to specific information about the response but also allows to
* verify the Response.
*/
cTimestampResponse = rb_define_class_under(mTimestamp, "Response", rb_cObject);
rb_define_alloc_func(cTimestampResponse, ossl_ts_resp_alloc);
rb_define_method(cTimestampResponse, "initialize", ossl_ts_resp_initialize, 1);
rb_define_method(cTimestampResponse, "status", ossl_ts_resp_get_status, 0);
rb_define_method(cTimestampResponse, "failure_info", ossl_ts_resp_get_failure_info, 0);
rb_define_method(cTimestampResponse, "status_text", ossl_ts_resp_get_status_text, 0);
rb_define_method(cTimestampResponse, "token", ossl_ts_resp_get_token, 0);
rb_define_method(cTimestampResponse, "token_info", ossl_ts_resp_get_token_info, 0);
rb_define_method(cTimestampResponse, "tsa_certificate", ossl_ts_resp_get_tsa_certificate, 0);
rb_define_method(cTimestampResponse, "to_der", ossl_ts_resp_to_der, 0);
rb_define_method(cTimestampResponse, "verify", ossl_ts_resp_verify, -1);
/* Document-class: OpenSSL::Timestamp::TokenInfo
* Immutable and read-only representation of a timestamp token info from a
* Response.
*/
cTimestampTokenInfo = rb_define_class_under(mTimestamp, "TokenInfo", rb_cObject);
rb_define_alloc_func(cTimestampTokenInfo, ossl_ts_token_info_alloc);
rb_define_method(cTimestampTokenInfo, "initialize", ossl_ts_token_info_initialize, 1);
rb_define_method(cTimestampTokenInfo, "version", ossl_ts_token_info_get_version, 0);
rb_define_method(cTimestampTokenInfo, "policy_id", ossl_ts_token_info_get_policy_id, 0);
rb_define_method(cTimestampTokenInfo, "algorithm", ossl_ts_token_info_get_algorithm, 0);
rb_define_method(cTimestampTokenInfo, "message_imprint", ossl_ts_token_info_get_msg_imprint, 0);
rb_define_method(cTimestampTokenInfo, "serial_number", ossl_ts_token_info_get_serial_number, 0);
rb_define_method(cTimestampTokenInfo, "gen_time", ossl_ts_token_info_get_gen_time, 0);
rb_define_method(cTimestampTokenInfo, "ordering", ossl_ts_token_info_get_ordering, 0);
rb_define_method(cTimestampTokenInfo, "nonce", ossl_ts_token_info_get_nonce, 0);
rb_define_method(cTimestampTokenInfo, "to_der", ossl_ts_token_info_to_der, 0);
/* Document-class: OpenSSL::Timestamp::Request
* Allows to create timestamp requests or parse existing ones. A Request is
* also needed for creating timestamps from scratch with Factory. When
* created from scratch, some default values are set:
* * version is set to +1+
* * cert_requested is set to +true+
* * algorithm, message_imprint, policy_id, and nonce are set to +false+
*/
cTimestampRequest = rb_define_class_under(mTimestamp, "Request", rb_cObject);
rb_define_alloc_func(cTimestampRequest, ossl_ts_req_alloc);
rb_define_method(cTimestampRequest, "initialize", ossl_ts_req_initialize, -1);
rb_define_method(cTimestampRequest, "version=", ossl_ts_req_set_version, 1);
rb_define_method(cTimestampRequest, "version", ossl_ts_req_get_version, 0);
rb_define_method(cTimestampRequest, "algorithm=", ossl_ts_req_set_algorithm, 1);
rb_define_method(cTimestampRequest, "algorithm", ossl_ts_req_get_algorithm, 0);
rb_define_method(cTimestampRequest, "message_imprint=", ossl_ts_req_set_msg_imprint, 1);
rb_define_method(cTimestampRequest, "message_imprint", ossl_ts_req_get_msg_imprint, 0);
rb_define_method(cTimestampRequest, "policy_id=", ossl_ts_req_set_policy_id, 1);
rb_define_method(cTimestampRequest, "policy_id", ossl_ts_req_get_policy_id, 0);
rb_define_method(cTimestampRequest, "nonce=", ossl_ts_req_set_nonce, 1);
rb_define_method(cTimestampRequest, "nonce", ossl_ts_req_get_nonce, 0);
rb_define_method(cTimestampRequest, "cert_requested=", ossl_ts_req_set_cert_requested, 1);
rb_define_method(cTimestampRequest, "cert_requested?", ossl_ts_req_get_cert_requested, 0);
rb_define_method(cTimestampRequest, "to_der", ossl_ts_req_to_der, 0);
/*
* Indicates a successful response. Equal to +0+.
*/
rb_define_const(cTimestampResponse, "GRANTED", INT2NUM(TS_STATUS_GRANTED));
/*
* Indicates a successful response that probably contains modifications
* from the initial request. Equal to +1+.
*/
rb_define_const(cTimestampResponse, "GRANTED_WITH_MODS", INT2NUM(TS_STATUS_GRANTED_WITH_MODS));
/*
* Indicates a failure. No timestamp token was created. Equal to +2+.
*/
rb_define_const(cTimestampResponse, "REJECTION", INT2NUM(TS_STATUS_REJECTION));
/*
* Indicates a failure. No timestamp token was created. Equal to +3+.
*/
rb_define_const(cTimestampResponse, "WAITING", INT2NUM(TS_STATUS_WAITING));
/*
* Indicates a failure. No timestamp token was created. Revocation of a
* certificate is imminent. Equal to +4+.
*/
rb_define_const(cTimestampResponse, "REVOCATION_WARNING", INT2NUM(TS_STATUS_REVOCATION_WARNING));
/*
* Indicates a failure. No timestamp token was created. A certificate
* has been revoked. Equal to +5+.
*/
rb_define_const(cTimestampResponse, "REVOCATION_NOTIFICATION", INT2NUM(TS_STATUS_REVOCATION_NOTIFICATION));
/* Document-class: OpenSSL::Timestamp::Factory
*
* Used to generate a Response from scratch.
*
* Please bear in mind that the implementation will always apply and prefer
* the policy object identifier given in the request over the default policy
* id specified in the Factory. As a consequence, +default_policy_id+ will
* only be applied if no Request#policy_id was given. But this also means
* that one needs to check the policy identifier in the request manually
* before creating the Response, e.g. to check whether it complies to a
* specific set of acceptable policies.
*
* There exists also the possibility to add certificates (instances of
* OpenSSL::X509::Certificate) besides the timestamping certificate
* that will be included in the resulting timestamp token if
* Request#cert_requested? is +true+. Ideally, one would also include any
* intermediate certificates (the root certificate can be left out - in
* order to trust it any verifying party will have to be in its possession
* anyway). This simplifies validation of the timestamp since these
* intermediate certificates are "already there" and need not be passed as
* external parameters to Response#verify anymore, thus minimizing external
* resources needed for verification.
*
* ===Example: Inclusion of (untrusted) intermediate certificates
*
* Assume we received a timestamp request that has set Request#policy_id to
* +nil+ and Request#cert_requested? to true. The raw request bytes are
* stored in a variable called +req_raw+. We'd still like to integrate
* the necessary intermediate certificates (in +inter1.cer+ and
* +inter2.cer+) to simplify validation of the resulting Response. +ts.p12+
* is a PKCS#12-compatible file including the private key and the
* timestamping certificate.
*
* req = OpenSSL::Timestamp::Request.new(raw_bytes)
* p12 = OpenSSL::PKCS12.new(File.binread('ts.p12'), 'pwd')
* inter1 = OpenSSL::X509::Certificate.new(File.binread('inter1.cer'))
* inter2 = OpenSSL::X509::Certificate.new(File.binread('inter2.cer'))
* fac = OpenSSL::Timestamp::Factory.new
* fac.gen_time = Time.now
* fac.serial_number = 1
* fac.allowed_digests = ["sha256", "sha384", "sha512"]
* #needed because the Request contained no policy identifier
* fac.default_policy_id = '1.2.3.4.5'
* fac.additional_certificates = [ inter1, inter2 ]
* timestamp = fac.create_timestamp(p12.key, p12.certificate, req)
*
* ==Attributes
*
* ===default_policy_id
*
* Request#policy_id will always be preferred over this if present in the
* Request, only if Request#policy_id is nil default_policy will be used.
* If none of both is present, a TimestampError will be raised when trying
* to create a Response.
*
* call-seq:
* factory.default_policy_id = "string" -> string
* factory.default_policy_id -> string or nil
*
* ===serial_number
*
* Sets or retrieves the serial number to be used for timestamp creation.
* Must be present for timestamp creation.
*
* call-seq:
* factory.serial_number = number -> number
* factory.serial_number -> number or nil
*
* ===gen_time
*
* Sets or retrieves the Time value to be used in the Response. Must be
* present for timestamp creation.
*
* call-seq:
* factory.gen_time = Time -> Time
* factory.gen_time -> Time or nil
*
* ===additional_certs
*
* Sets or retrieves additional certificates apart from the timestamp
* certificate (e.g. intermediate certificates) to be added to the Response.
* Must be an Array of OpenSSL::X509::Certificate.
*
* call-seq:
* factory.additional_certs = [cert1, cert2] -> [ cert1, cert2 ]
* factory.additional_certs -> array or nil
*
* ===allowed_digests
*
* Sets or retrieves the digest algorithms that the factory is allowed
* create timestamps for. Known vulnerable or weak algorithms should not be
* allowed where possible.
* Must be an Array of String or OpenSSL::Digest subclass instances.
*
* call-seq:
* factory.allowed_digests = ["sha1", OpenSSL::Digest.new('SHA256').new] -> [ "sha1", OpenSSL::Digest) ]
* factory.allowed_digests -> array or nil
*
*/
cTimestampFactory = rb_define_class_under(mTimestamp, "Factory", rb_cObject);
rb_attr(cTimestampFactory, rb_intern_const("allowed_digests"), 1, 1, 0);
rb_attr(cTimestampFactory, rb_intern_const("default_policy_id"), 1, 1, 0);
rb_attr(cTimestampFactory, rb_intern_const("serial_number"), 1, 1, 0);
rb_attr(cTimestampFactory, rb_intern_const("gen_time"), 1, 1, 0);
rb_attr(cTimestampFactory, rb_intern_const("additional_certs"), 1, 1, 0);
rb_define_method(cTimestampFactory, "create_timestamp", ossl_tsfac_create_ts, 3);
}
#endif
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