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Unified Diff: net/cert/x509_util_openssl.cc

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: net/cert/x509_util_openssl.cc
diff --git a/net/cert/x509_util_openssl.cc b/net/cert/x509_util_openssl.cc
deleted file mode 100644
index 4b9e1c68d052d0d52d59f3c2eebe852e85ea9ea3..0000000000000000000000000000000000000000
--- a/net/cert/x509_util_openssl.cc
+++ /dev/null
@@ -1,422 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/cert/x509_util_openssl.h"
-
-#include <algorithm>
-#include <openssl/asn1.h>
-
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/strings/string_piece.h"
-#include "base/strings/string_util.h"
-#include "crypto/ec_private_key.h"
-#include "crypto/openssl_util.h"
-#include "crypto/rsa_private_key.h"
-#include "crypto/scoped_openssl_types.h"
-#include "net/cert/x509_cert_types.h"
-#include "net/cert/x509_util.h"
-
-namespace net {
-
-namespace {
-
-typedef crypto::ScopedOpenSSL<ASN1_INTEGER, ASN1_INTEGER_free>::Type
- ScopedASN1_INTEGER;
-typedef crypto::ScopedOpenSSL<ASN1_OCTET_STRING, ASN1_OCTET_STRING_free>::Type
- ScopedASN1_OCTET_STRING;
-typedef crypto::ScopedOpenSSL<ASN1_STRING, ASN1_STRING_free>::Type
- ScopedASN1_STRING;
-typedef crypto::ScopedOpenSSL<ASN1_TIME, ASN1_TIME_free>::Type ScopedASN1_TIME;
-typedef crypto::ScopedOpenSSL<X509, X509_free>::Type ScopedX509;
-typedef crypto::ScopedOpenSSL<X509_EXTENSION, X509_EXTENSION_free>::Type
- ScopedX509_EXTENSION;
-typedef crypto::ScopedOpenSSL<X509_NAME, X509_NAME_free>::Type ScopedX509_NAME;
-
-const EVP_MD* ToEVP(x509_util::DigestAlgorithm alg) {
- switch (alg) {
- case x509_util::DIGEST_SHA1:
- return EVP_sha1();
- case x509_util::DIGEST_SHA256:
- return EVP_sha256();
- }
- return NULL;
-}
-
-} // namespace
-
-namespace x509_util {
-
-namespace {
-
-X509* CreateCertificate(EVP_PKEY* key,
- DigestAlgorithm alg,
- const std::string& common_name,
- uint32_t serial_number,
- base::Time not_valid_before,
- base::Time not_valid_after) {
- // Put the serial number into an OpenSSL-friendly object.
- ScopedASN1_INTEGER asn1_serial(ASN1_INTEGER_new());
- if (!asn1_serial.get() ||
- !ASN1_INTEGER_set(asn1_serial.get(), static_cast<long>(serial_number))) {
- LOG(ERROR) << "Invalid serial number " << serial_number;
- return NULL;
- }
-
- // Do the same for the time stamps.
- ScopedASN1_TIME asn1_not_before_time(
- ASN1_TIME_set(NULL, not_valid_before.ToTimeT()));
- if (!asn1_not_before_time.get()) {
- LOG(ERROR) << "Invalid not_valid_before time: "
- << not_valid_before.ToTimeT();
- return NULL;
- }
-
- ScopedASN1_TIME asn1_not_after_time(
- ASN1_TIME_set(NULL, not_valid_after.ToTimeT()));
- if (!asn1_not_after_time.get()) {
- LOG(ERROR) << "Invalid not_valid_after time: " << not_valid_after.ToTimeT();
- return NULL;
- }
-
- // Because |common_name| only contains a common name and starts with 'CN=',
- // there is no need for a full RFC 2253 parser here. Do some sanity checks
- // though.
- static const char kCommonNamePrefix[] = "CN=";
- const size_t kCommonNamePrefixLen = sizeof(kCommonNamePrefix) - 1;
- if (common_name.size() < kCommonNamePrefixLen ||
- strncmp(common_name.c_str(), kCommonNamePrefix, kCommonNamePrefixLen)) {
- LOG(ERROR) << "Common name must begin with " << kCommonNamePrefix;
- return NULL;
- }
- if (common_name.size() > INT_MAX) {
- LOG(ERROR) << "Common name too long";
- return NULL;
- }
- unsigned char* common_name_str =
- reinterpret_cast<unsigned char*>(const_cast<char*>(common_name.data())) +
- kCommonNamePrefixLen;
- int common_name_len =
- static_cast<int>(common_name.size() - kCommonNamePrefixLen);
-
- ScopedX509_NAME name(X509_NAME_new());
- if (!name.get() || !X509_NAME_add_entry_by_NID(name.get(),
- NID_commonName,
- MBSTRING_ASC,
- common_name_str,
- common_name_len,
- -1,
- 0)) {
- LOG(ERROR) << "Can't parse common name: " << common_name.c_str();
- return NULL;
- }
-
- // Now create certificate and populate it.
- ScopedX509 cert(X509_new());
- if (!cert.get() || !X509_set_version(cert.get(), 2L) /* i.e. version 3 */ ||
- !X509_set_pubkey(cert.get(), key) ||
- !X509_set_serialNumber(cert.get(), asn1_serial.get()) ||
- !X509_set_notBefore(cert.get(), asn1_not_before_time.get()) ||
- !X509_set_notAfter(cert.get(), asn1_not_after_time.get()) ||
- !X509_set_subject_name(cert.get(), name.get()) ||
- !X509_set_issuer_name(cert.get(), name.get())) {
- LOG(ERROR) << "Could not create certificate";
- return NULL;
- }
-
- return cert.release();
-}
-
-// DER-encodes |x509|. On success, returns true and writes the
-// encoding to |*out_der|.
-bool DerEncodeCert(X509* x509, std::string* out_der) {
- int len = i2d_X509(x509, NULL);
- if (len < 0)
- return false;
-
- uint8_t* ptr = reinterpret_cast<uint8_t*>(WriteInto(out_der, len + 1));
- if (i2d_X509(x509, &ptr) < 0) {
- NOTREACHED();
- out_der->clear();
- return false;
- }
- return true;
-}
-
-bool SignAndDerEncodeCert(X509* cert,
- EVP_PKEY* key,
- DigestAlgorithm alg,
- std::string* der_encoded) {
- // Get the message digest algorithm
- const EVP_MD* md = ToEVP(alg);
- if (!md) {
- LOG(ERROR) << "Unrecognized hash algorithm.";
- return false;
- }
-
- // Sign it with the private key.
- if (!X509_sign(cert, key, md)) {
- LOG(ERROR) << "Could not sign certificate with key.";
- return false;
- }
-
- // Convert it into a DER-encoded string copied to |der_encoded|.
- return DerEncodeCert(cert, der_encoded);
-}
-
-// There is no OpenSSL NID for the 'originBoundCertificate' extension OID yet,
-// so create a global ASN1_OBJECT lazily with the right parameters.
-class DomainBoundOid {
- public:
- DomainBoundOid() : obj_(OBJ_txt2obj(kDomainBoundOidText, 1)) { CHECK(obj_); }
-
- ~DomainBoundOid() {
- if (obj_)
- ASN1_OBJECT_free(obj_);
- }
-
- ASN1_OBJECT* obj() const { return obj_; }
-
- private:
- static const char kDomainBoundOidText[];
-
- ASN1_OBJECT* obj_;
-};
-
-// 1.3.6.1.4.1.11129.2.1.6
-// (iso.org.dod.internet.private.enterprises.google.googleSecurity.
-// certificateExtensions.originBoundCertificate)
-const char DomainBoundOid::kDomainBoundOidText[] = "1.3.6.1.4.1.11129.2.1.6";
-
-ASN1_OBJECT* GetDomainBoundOid() {
- static base::LazyInstance<DomainBoundOid>::Leaky s_lazy =
- LAZY_INSTANCE_INITIALIZER;
- return s_lazy.Get().obj();
-}
-
-
-struct DERCache {
- std::string data;
-};
-
-void DERCache_free(void* parent, void* ptr, CRYPTO_EX_DATA* ad, int idx,
- long argl, void* argp) {
- DERCache* der_cache = static_cast<DERCache*>(ptr);
- delete der_cache;
-}
-
-class DERCacheInitSingleton {
- public:
- DERCacheInitSingleton() {
- crypto::EnsureOpenSSLInit();
- der_cache_ex_index_ = X509_get_ex_new_index(0, 0, 0, 0, DERCache_free);
- DCHECK_NE(-1, der_cache_ex_index_);
- }
-
- int der_cache_ex_index() const { return der_cache_ex_index_; }
-
- private:
- int der_cache_ex_index_;
-
- DISALLOW_COPY_AND_ASSIGN(DERCacheInitSingleton);
-};
-
-base::LazyInstance<DERCacheInitSingleton>::Leaky g_der_cache_singleton =
- LAZY_INSTANCE_INITIALIZER;
-
-} // namespace
-
-bool IsSupportedValidityRange(base::Time not_valid_before,
- base::Time not_valid_after) {
- if (not_valid_before > not_valid_after)
- return false;
-
- // The validity field of a certificate can only encode years 1-9999.
-
- // Compute the base::Time values corresponding to Jan 1st,0001 and
- // Jan 1st, 10000 respectively. Done by using the pre-computed numbers
- // of days between these dates and the Unix epoch, i.e. Jan 1st, 1970,
- // using the following Python script:
- //
- // from datetime import date as D
- // print (D(1970,1,1)-D(1,1,1)) # -> 719162 days
- // print (D(9999,12,31)-D(1970,1,1)) # -> 2932896 days
- //
- // Note: This ignores leap seconds, but should be enough in practice.
- //
- const int64 kDaysFromYear0001ToUnixEpoch = 719162;
- const int64 kDaysFromUnixEpochToYear10000 = 2932896 + 1;
- const base::Time kEpoch = base::Time::UnixEpoch();
- const base::Time kYear0001 = kEpoch -
- base::TimeDelta::FromDays(kDaysFromYear0001ToUnixEpoch);
- const base::Time kYear10000 = kEpoch +
- base::TimeDelta::FromDays(kDaysFromUnixEpochToYear10000);
-
- if (not_valid_before < kYear0001 || not_valid_before >= kYear10000 ||
- not_valid_after < kYear0001 || not_valid_after >= kYear10000)
- return false;
-
- return true;
-}
-
-bool CreateChannelIDEC(
- crypto::ECPrivateKey* key,
- DigestAlgorithm alg,
- const std::string& domain,
- uint32 serial_number,
- base::Time not_valid_before,
- base::Time not_valid_after,
- std::string* der_cert) {
- crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE);
- // Create certificate.
- ScopedX509 cert(CreateCertificate(key->key(),
- alg,
- "CN=anonymous.invalid",
- serial_number,
- not_valid_before,
- not_valid_after));
- if (!cert.get())
- return false;
-
- // Add TLS-Channel-ID extension to the certificate before signing it.
- // The value must be stored DER-encoded, as a ASN.1 IA5String.
- ScopedASN1_STRING domain_ia5(ASN1_IA5STRING_new());
- if (!domain_ia5.get() ||
- !ASN1_STRING_set(domain_ia5.get(), domain.data(), domain.size()))
- return false;
-
- std::string domain_der;
- int domain_der_len = i2d_ASN1_IA5STRING(domain_ia5.get(), NULL);
- if (domain_der_len < 0)
- return false;
-
- domain_der.resize(domain_der_len);
- unsigned char* domain_der_data =
- reinterpret_cast<unsigned char*>(&domain_der[0]);
- if (i2d_ASN1_IA5STRING(domain_ia5.get(), &domain_der_data) < 0)
- return false;
-
- ScopedASN1_OCTET_STRING domain_str(ASN1_OCTET_STRING_new());
- if (!domain_str.get() ||
- !ASN1_STRING_set(domain_str.get(), domain_der.data(), domain_der.size()))
- return false;
-
- ScopedX509_EXTENSION ext(X509_EXTENSION_create_by_OBJ(
- NULL, GetDomainBoundOid(), 1 /* critical */, domain_str.get()));
- if (!ext.get() || !X509_add_ext(cert.get(), ext.get(), -1)) {
- return false;
- }
-
- // Sign and encode it.
- return SignAndDerEncodeCert(cert.get(), key->key(), alg, der_cert);
-}
-
-bool CreateSelfSignedCert(crypto::RSAPrivateKey* key,
- DigestAlgorithm alg,
- const std::string& common_name,
- uint32 serial_number,
- base::Time not_valid_before,
- base::Time not_valid_after,
- std::string* der_encoded) {
- crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE);
- ScopedX509 cert(CreateCertificate(key->key(),
- alg,
- common_name,
- serial_number,
- not_valid_before,
- not_valid_after));
- if (!cert.get())
- return false;
-
- return SignAndDerEncodeCert(cert.get(), key->key(), alg, der_encoded);
-}
-
-bool ParsePrincipalKeyAndValue(X509_NAME_ENTRY* entry,
- std::string* key,
- std::string* value) {
- if (key) {
- ASN1_OBJECT* object = X509_NAME_ENTRY_get_object(entry);
- key->assign(OBJ_nid2sn(OBJ_obj2nid(object)));
- }
-
- ASN1_STRING* data = X509_NAME_ENTRY_get_data(entry);
- if (!data)
- return false;
-
- unsigned char* buf = NULL;
- int len = ASN1_STRING_to_UTF8(&buf, data);
- if (len <= 0)
- return false;
-
- value->assign(reinterpret_cast<const char*>(buf), len);
- OPENSSL_free(buf);
- return true;
-}
-
-bool ParsePrincipalKeyAndValueByIndex(X509_NAME* name,
- int index,
- std::string* key,
- std::string* value) {
- X509_NAME_ENTRY* entry = X509_NAME_get_entry(name, index);
- if (!entry)
- return false;
-
- return ParsePrincipalKeyAndValue(entry, key, value);
-}
-
-bool ParsePrincipalValueByIndex(X509_NAME* name,
- int index,
- std::string* value) {
- return ParsePrincipalKeyAndValueByIndex(name, index, NULL, value);
-}
-
-bool ParsePrincipalValueByNID(X509_NAME* name, int nid, std::string* value) {
- int index = X509_NAME_get_index_by_NID(name, nid, -1);
- if (index < 0)
- return false;
-
- return ParsePrincipalValueByIndex(name, index, value);
-}
-
-bool ParseDate(ASN1_TIME* x509_time, base::Time* time) {
- if (!x509_time ||
- (x509_time->type != V_ASN1_UTCTIME &&
- x509_time->type != V_ASN1_GENERALIZEDTIME))
- return false;
-
- base::StringPiece str_date(reinterpret_cast<const char*>(x509_time->data),
- x509_time->length);
-
- CertDateFormat format = x509_time->type == V_ASN1_UTCTIME ?
- CERT_DATE_FORMAT_UTC_TIME : CERT_DATE_FORMAT_GENERALIZED_TIME;
- return ParseCertificateDate(str_date, format, time);
-}
-
-// Returns true if |der_cache| points to valid data, false otherwise.
-// (note: the DER-encoded data in |der_cache| is owned by |cert|, callers should
-// not free it).
-bool GetDER(X509* x509, base::StringPiece* der_cache) {
- int x509_der_cache_index =
- g_der_cache_singleton.Get().der_cache_ex_index();
-
- // Re-encoding the DER data via i2d_X509 is an expensive operation,
- // but it's necessary for comparing two certificates. Re-encode at
- // most once per certificate and cache the data within the X509 cert
- // using X509_set_ex_data.
- DERCache* internal_cache = static_cast<DERCache*>(
- X509_get_ex_data(x509, x509_der_cache_index));
- if (!internal_cache) {
- scoped_ptr<DERCache> new_cache(new DERCache);
- if (!DerEncodeCert(x509, &new_cache->data))
- return false;
- internal_cache = new_cache.get();
- X509_set_ex_data(x509, x509_der_cache_index, new_cache.release());
- }
- *der_cache = base::StringPiece(internal_cache->data);
- return true;
-}
-
-} // namespace x509_util
-
-} // namespace net
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