diff options
author | Yuri Chebotarev <ychebotarev@productengine.com> | 2010-04-06 11:54:32 +0300 |
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committer | Yuri Chebotarev <ychebotarev@productengine.com> | 2010-04-06 11:54:32 +0300 |
commit | 3da3ed2ccb9bab68be113bf7a79e6f95f7b73f9e (patch) | |
tree | 76bf2106cbbed09e02340b9cb0fa2fdee422b725 /indra/newview/llsecapi.h | |
parent | 9dcdbf029c3a74de5aefca52262d4ed41626298d (diff) | |
parent | cf94709c60949d5376f8c5dc14bf5472631cd6c9 (diff) |
merge
--HG--
branch : product-engine
Diffstat (limited to 'indra/newview/llsecapi.h')
-rw-r--r-- | indra/newview/llsecapi.h | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/indra/newview/llsecapi.h b/indra/newview/llsecapi.h new file mode 100644 index 0000000000..5211dc2699 --- /dev/null +++ b/indra/newview/llsecapi.h @@ -0,0 +1,493 @@ +/** + * @file llsecapi.h + * @brief Security API for services such as certificate handling + * secure local storage, etc. + * + * $LicenseInfo:firstyear=2009&license=viewergpl$ + * + * Copyright (c) 2009, Linden Research, Inc. + * + * Second Life Viewer Source Code + * The source code in this file ("Source Code") is provided by Linden Lab + * to you under the terms of the GNU General Public License, version 2.0 + * ("GPL"), unless you have obtained a separate licensing agreement + * ("Other License"), formally executed by you and Linden Lab. Terms of + * the GPL can be found in doc/GPL-license.txt in this distribution, or + * online at http://secondlife.com/developers/opensource/gplv2 + * + * There are special exceptions to the terms and conditions of the GPL as + * it is applied to this Source Code. View the full text of the exception + * in the file doc/FLOSS-exception.txt in this software distribution, or + * online at http://secondlife.com/developers/opensource/flossexception + * + * By copying, modifying or distributing this software, you acknowledge + * that you have read and understood your obligations described above, + * and agree to abide by those obligations. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + * $/LicenseInfo$ + */ + +#ifndef LLSECAPI_H +#define LLSECAPI_H +#include <vector> +#include <openssl/x509.h> +#include <ostream> + +#ifdef LL_WINDOWS +#pragma warning(disable:4250) +#endif // LL_WINDOWS + +// All error handling is via exceptions. + + +#define CERT_SUBJECT_NAME "subject_name" +#define CERT_ISSUER_NAME "issuer_name" +#define CERT_NAME_CN "commonName" + +#define CERT_SUBJECT_NAME_STRING "subject_name_string" +#define CERT_ISSUER_NAME_STRING "issuer_name_string" + +#define CERT_SERIAL_NUMBER "serial_number" + +#define CERT_VALID_FROM "valid_from" +#define CERT_VALID_TO "valid_to" +#define CERT_SHA1_DIGEST "sha1_digest" +#define CERT_MD5_DIGEST "md5_digest" +#define CERT_HOSTNAME "hostname" +#define CERT_BASIC_CONSTRAINTS "basicConstraints" +#define CERT_BASIC_CONSTRAINTS_CA "CA" +#define CERT_BASIC_CONSTRAINTS_PATHLEN "pathLen" + +#define CERT_KEY_USAGE "keyUsage" +#define CERT_KU_DIGITAL_SIGNATURE "digitalSignature" +#define CERT_KU_NON_REPUDIATION "nonRepudiation" +#define CERT_KU_KEY_ENCIPHERMENT "keyEncipherment" +#define CERT_KU_DATA_ENCIPHERMENT "dataEncipherment" +#define CERT_KU_KEY_AGREEMENT "keyAgreement" +#define CERT_KU_CERT_SIGN "certSigning" +#define CERT_KU_CRL_SIGN "crlSigning" +#define CERT_KU_ENCIPHER_ONLY "encipherOnly" +#define CERT_KU_DECIPHER_ONLY "decipherOnly" + +#define BASIC_SECHANDLER "BASIC_SECHANDLER" +#define CERT_VALIDATION_DATE "validation_date" + +#define CERT_EXTENDED_KEY_USAGE "extendedKeyUsage" +#define CERT_EKU_SERVER_AUTH SN_server_auth + +#define CERT_SUBJECT_KEY_IDENTFIER "subjectKeyIdentifier" +#define CERT_AUTHORITY_KEY_IDENTIFIER "authorityKeyIdentifier" +#define CERT_AUTHORITY_KEY_IDENTIFIER_ID "authorityKeyIdentifierId" +#define CERT_AUTHORITY_KEY_IDENTIFIER_NAME "authorityKeyIdentifierName" +#define CERT_AUTHORITY_KEY_IDENTIFIER_SERIAL "authorityKeyIdentifierSerial" + +// validate the current time lies within +// the validation period of the cert +#define VALIDATION_POLICY_TIME 1 + +// validate that the CA, or some cert in the chain +// lies within the certificate store +#define VALIDATION_POLICY_TRUSTED 2 + +// validate that the subject name of +// the cert contains the passed in hostname +// or validates against the hostname +#define VALIDATION_POLICY_HOSTNAME 4 + + +// validate that the cert contains the SSL EKU +#define VALIDATION_POLICY_SSL_KU 8 + +// validate that the cert contains the SSL EKU +#define VALIDATION_POLICY_CA_KU 16 + +#define VALIDATION_POLICY_CA_BASIC_CONSTRAINTS 32 + +// validate that the cert is correct for SSL +#define VALIDATION_POLICY_SSL (VALIDATION_POLICY_TIME | \ + VALIDATION_POLICY_HOSTNAME | \ + VALIDATION_POLICY_TRUSTED | \ + VALIDATION_POLICY_SSL_KU | \ + VALIDATION_POLICY_CA_BASIC_CONSTRAINTS | \ + VALIDATION_POLICY_CA_KU) + + + + + + +class LLProtectedDataException +{ +public: + LLProtectedDataException(const char *msg) + { + LL_WARNS("SECAPI") << "Protected Data Error: " << (std::string)msg << LL_ENDL; + mMsg = (std::string)msg; + } + std::string getMessage() { return mMsg; } +protected: + std::string mMsg; +}; + +// class LLCertificate +// parent class providing an interface for certifiate. +// LLCertificates are considered unmodifiable +// Certificates are pulled out of stores, or created via +// factory calls +class LLCertificate : public LLRefCount +{ + LOG_CLASS(LLCertificate); +public: + LLCertificate() {} + + virtual ~LLCertificate() {} + + // return a PEM encoded certificate. The encoding + // includes the -----BEGIN CERTIFICATE----- and end certificate elements + virtual std::string getPem() const=0; + + // return a DER encoded certificate + virtual std::vector<U8> getBinary() const=0; + + // return an LLSD object containing information about the certificate + // such as its name, signature, expiry time, serial number + virtual LLSD getLLSD() const=0; + + // return an openSSL X509 struct for the certificate + virtual X509* getOpenSSLX509() const=0; + +}; + +// class LLCertificateVector +// base class for a list of certificates. + + +class LLCertificateVector : public LLRefCount +{ + +public: + + LLCertificateVector() {}; + virtual ~LLCertificateVector() {}; + + // base iterator implementation class, providing + // the functionality needed for the iterator class. + class iterator_impl : public LLRefCount + { + public: + iterator_impl() {}; + virtual ~iterator_impl() {}; + virtual void seek(bool incr)=0; + virtual LLPointer<iterator_impl> clone() const=0; + virtual bool equals(const LLPointer<iterator_impl>& _iter) const=0; + virtual LLPointer<LLCertificate> get()=0; + }; + + // iterator class + class iterator + { + public: + iterator(LLPointer<iterator_impl> impl) : mImpl(impl) {} + iterator() : mImpl(NULL) {} + iterator(const iterator& _iter) {mImpl = _iter.mImpl->clone(); } + ~iterator() {} + iterator& operator++() { if(mImpl.notNull()) mImpl->seek(true); return *this;} + iterator& operator--() { if(mImpl.notNull()) mImpl->seek(false); return *this;} + + iterator operator++(int) { iterator result = *this; if(mImpl.notNull()) mImpl->seek(true); return result;} + iterator operator--(int) { iterator result = *this; if(mImpl.notNull()) mImpl->seek(false); return result;} + LLPointer<LLCertificate> operator*() { return mImpl->get(); } + + LLPointer<iterator_impl> mImpl; + protected: + friend bool operator==(const LLCertificateVector::iterator& _lhs, const LLCertificateVector::iterator& _rhs); + bool equals(const iterator& _iter) const { return mImpl->equals(_iter.mImpl); } + }; + + // numeric indexer + virtual LLPointer<LLCertificate> operator[](int)=0; + + // Iteration + virtual iterator begin()=0; + + virtual iterator end()=0; + + // find a cert given params + virtual iterator find(const LLSD& params) =0; + + // return the number of certs in the store + virtual int size() const = 0; + + // append the cert to the store. if a copy of the cert already exists in the store, it is removed first + virtual void add(LLPointer<LLCertificate> cert)=0; + + // insert the cert to the store. if a copy of the cert already exists in the store, it is removed first + virtual void insert(iterator location, LLPointer<LLCertificate> cert)=0; + + // remove a certificate from the store + virtual LLPointer<LLCertificate> erase(iterator cert)=0; +}; + + +// class LLCertificateStore +// represents a store of certificates, typically a store of root CA +// certificates. The store can be persisted, and can be used to validate +// a cert chain +// +class LLCertificateStore : virtual public LLCertificateVector +{ + +public: + + LLCertificateStore() {} + virtual ~LLCertificateStore() {} + + // persist the store + virtual void save()=0; + + // return the store id + virtual std::string storeId() const=0; +}; + +// class LLCertificateChain +// Class representing a chain of certificates in order, with the +// first element being the child cert. +class LLCertificateChain : virtual public LLCertificateVector +{ + +public: + LLCertificateChain() {} + + virtual ~LLCertificateChain() {} + + // validate a certificate chain given the params. + // Will throw exceptions on error + + virtual void validate(int validation_policy, + LLPointer<LLCertificateStore> ca_store, + const LLSD& validation_params) =0; +}; + + + + +inline +bool operator==(const LLCertificateVector::iterator& _lhs, const LLCertificateVector::iterator& _rhs) +{ + return _lhs.equals(_rhs); +} +inline +bool operator!=(const LLCertificateVector::iterator& _lhs, const LLCertificateVector::iterator& _rhs) +{ + return !(_lhs == _rhs); +} + + +// +// LLCredential - interface for credentials providing the following functionality: +// * persistance of credential information based on grid (for saving username/password) +// * serialization to an OGP identifier/authenticator pair +// +class LLCredential : public LLRefCount +{ +public: + + LLCredential() {} + + LLCredential(const std::string& grid) + { + mGrid = grid; + mIdentifier = LLSD::emptyMap(); + mAuthenticator = LLSD::emptyMap(); + } + + virtual ~LLCredential() {} + + virtual void setCredentialData(const LLSD& identifier, const LLSD& authenticator) + { + mIdentifier = identifier; + mAuthenticator = authenticator; + } + virtual LLSD getIdentifier() { return mIdentifier; } + virtual LLSD getAuthenticator() { return mAuthenticator; } + virtual LLSD getLoginParams(); + virtual std::string getGrid() { return mGrid; } + + + virtual void clearAuthenticator() { mAuthenticator = LLSD(); } + virtual std::string userID() const { return std::string("unknown");} + virtual std::string asString() const { return std::string("unknown");} + operator std::string() const { return asString(); } +protected: + LLSD mIdentifier; + LLSD mAuthenticator; + std::string mGrid; +}; + +std::ostream& operator <<(std::ostream& s, const LLCredential& cred); + + +// All error handling is via exceptions. + +class LLCertException +{ +public: + LLCertException(LLPointer<LLCertificate> cert, const char* msg) + { + + mCert = cert; + + LL_WARNS("SECAPI") << "Certificate Error: " << (std::string)msg << LL_ENDL; + mMsg = (std::string)msg; + } + LLPointer<LLCertificate> getCert() { return mCert; } + std::string getMessage() { return mMsg; } +protected: + LLPointer<LLCertificate> mCert; + std::string mMsg; +}; + +class LLInvalidCertificate : public LLCertException +{ +public: + LLInvalidCertificate(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertInvalid") + { + } +protected: +}; + +class LLCertValidationTrustException : public LLCertException +{ +public: + LLCertValidationTrustException(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertUntrusted") + { + } +protected: +}; + +class LLCertValidationHostnameException : public LLCertException +{ +public: + LLCertValidationHostnameException(std::string hostname, + LLPointer<LLCertificate> cert) : LLCertException(cert, "CertInvalidHostname") + { + mHostname = hostname; + } + + std::string getHostname() { return mHostname; } +protected: + std::string mHostname; +}; + +class LLCertValidationExpirationException : public LLCertException +{ +public: + LLCertValidationExpirationException(LLPointer<LLCertificate> cert, + LLDate current_time) : LLCertException(cert, "CertExpired") + { + mTime = current_time; + } + LLDate GetTime() { return mTime; } +protected: + LLDate mTime; +}; + +class LLCertKeyUsageValidationException : public LLCertException +{ +public: + LLCertKeyUsageValidationException(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertKeyUsage") + { + } +protected: +}; + +class LLCertBasicConstraintsValidationException : public LLCertException +{ +public: + LLCertBasicConstraintsValidationException(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertBasicConstraints") + { + } +protected: +}; + +class LLCertValidationInvalidSignatureException : public LLCertException +{ +public: + LLCertValidationInvalidSignatureException(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertInvalidSignature") + { + } +protected: +}; + +// LLSecAPIHandler Class +// Interface handler class for the various security storage handlers. +class LLSecAPIHandler : public LLRefCount +{ +public: + + + LLSecAPIHandler() {} + virtual ~LLSecAPIHandler() {} + + // initialize the SecAPIHandler + virtual void init() {}; + + // instantiate a certificate from a pem string + virtual LLPointer<LLCertificate> getCertificate(const std::string& pem_cert)=0; + + + + // instiate a certificate from an openssl X509 structure + virtual LLPointer<LLCertificate> getCertificate(X509* openssl_cert)=0; + + // instantiate a chain from an X509_STORE_CTX + virtual LLPointer<LLCertificateChain> getCertificateChain(const X509_STORE_CTX* chain)=0; + + // instantiate a cert store given it's id. if a persisted version + // exists, it'll be loaded. If not, one will be created (but not + // persisted) + virtual LLPointer<LLCertificateStore> getCertificateStore(const std::string& store_id)=0; + + // persist data in a protected store + virtual void setProtectedData(const std::string& data_type, + const std::string& data_id, + const LLSD& data)=0; + + // retrieve protected data + virtual LLSD getProtectedData(const std::string& data_type, + const std::string& data_id)=0; + + // delete a protected data item from the store + virtual void deleteProtectedData(const std::string& data_type, + const std::string& data_id)=0; + + virtual LLPointer<LLCredential> createCredential(const std::string& grid, + const LLSD& identifier, + const LLSD& authenticator)=0; + + virtual LLPointer<LLCredential> loadCredential(const std::string& grid)=0; + + virtual void saveCredential(LLPointer<LLCredential> cred, bool save_authenticator)=0; + + virtual void deleteCredential(LLPointer<LLCredential> cred)=0; + +}; + +void initializeSecHandler(); + +// retrieve a security api depending on the api type +LLPointer<LLSecAPIHandler> getSecHandler(const std::string& handler_type); + +void registerSecHandler(const std::string& handler_type, + LLPointer<LLSecAPIHandler>& handler); + +extern LLPointer<LLSecAPIHandler> gSecAPIHandler; + + +int secapiSSLCertVerifyCallback(X509_STORE_CTX *ctx, void *param); + + +#endif // LL_SECAPI_H |