Classes
class	IcapPeerConnector
	A simple PeerConnector for Secure ICAP services. No SslBump capabilities. More...

class	Lock
	maintains an exclusive blocking file-based lock More...

class	Locker
	an exception-safe way to obtain and release a lock More...

class	CertificateDb

class	Bio
	BIO source and sink node, handling socket I/O and monitoring SSL state. More...

class	ClientBio

class	ServerBio

class	CertValidationRequest

class	CertValidationResponse

class	CertValidationMsg

class	Config

class	CertificateStorageAction

class	GlobalContextStorage
	Class for storing/manipulating LocalContextStorage per local listening address/port. More...

class	CrtdMessage

class	ErrorDetail

class	ErrorDetailFile
	manages error detail templates More...

class	ErrorDetailEntry

class	ErrorDetailsList

class	ErrorDetailsManager

class	CertificateProperties

class	GeneratorRequestor
	Initiator of an Ssl::Helper query. More...

class	GeneratorRequest
	A pending Ssl::Helper request, combining the original and collapsed queries. More...

class	Helper

class	CertValidationHelper

class	PeekingPeerConnector
	A PeerConnector for HTTP origin servers. Capable of SslBumping. More...

class	ServerBump

Typedefs
typedef LruMap< SBuf, Security::ContextPointer, SSL_CTX_SIZE >	LocalContextStorage

typedef std::unique_ptr < STACK_OF(X509), sk_X509_free_wrapper >	X509_STACK_Pointer

typedef std::unique_ptr < BIGNUM, HardFun< void, BIGNUM *,&BN_free > >	BIGNUM_Pointer

typedef std::unique_ptr< BIO, HardFun< void, BIO *,&BIO_vfree > >	BIO_Pointer

typedef std::unique_ptr < ASN1_INTEGER, HardFun< void, ASN1_INTEGER *,&ASN1_INTEGER_free > >	ASN1_INT_Pointer

typedef std::unique_ptr < ASN1_OCTET_STRING, HardFun < void, ASN1_OCTET_STRING *,&ASN1_OCTET_STRING_free > >	ASN1_OCTET_STRING_Pointer

typedef std::unique_ptr < TXT_DB, HardFun< void, TXT_DB *,&TXT_DB_free > >	TXT_DB_Pointer

typedef std::unique_ptr < X509_NAME, HardFun< void, X509_NAME *,&X509_NAME_free > >	X509_NAME_Pointer

typedef std::unique_ptr< RSA, HardFun< void, RSA *,&RSA_free > >	RSA_Pointer

typedef std::unique_ptr < X509_REQ, HardFun< void, X509_REQ *,&X509_REQ_free > >	X509_REQ_Pointer

typedef std::unique_ptr < AUTHORITY_KEYID, HardFun < void, AUTHORITY_KEYID *,&AUTHORITY_KEYID_free > >	AUTHORITY_KEYID_Pointer

typedef std::unique_ptr < STACK_OF(GENERAL_NAME), sk_GENERAL_NAME_free_wrapper >	GENERAL_NAME_STACK_Pointer

typedef std::unique_ptr < GENERAL_NAME, HardFun< void, GENERAL_NAME *,&GENERAL_NAME_free > >	GENERAL_NAME_Pointer

typedef std::unique_ptr < X509_EXTENSION, HardFun < void, X509_EXTENSION *,&X509_EXTENSION_free > >	X509_EXTENSION_Pointer

typedef std::unordered_map < SBuf, GeneratorRequest * >	GeneratorRequests
	Ssl::Helper query:GeneratorRequest map. More...

typedef RefCount < CertValidationResponse >	CertValidationResponsePointer

typedef char const *	GETX509ATTRIBUTE (X509 , const char )

typedef std::multimap< SBuf, X509 * >	CertsIndexedList
	certificates indexed by issuer name More...

Enumerations
enum	CertSignAlgorithm { algSignTrusted = 0, algSignUntrusted, algSignSelf, algSignEnd }

enum	CertAdaptAlgorithm { algSetValidAfter = 0, algSetValidBefore, algSetCommonName, algSetEnd }

enum	BumpMode { bumpNone = 0, bumpClientFirst, bumpServerFirst, bumpPeek, bumpStare, bumpBump, bumpSplice, bumpTerminate, bumpEnd }

enum	BumpStep { bumpStep1, bumpStep2, bumpStep3 }

Functions
bool	ParseErrorString (const char *name, Security::Errors &)

Security::ErrorCode	GetErrorCode (const char *name)
	The Security::ErrorCode code of the error described by "name". More...

const char *	GetErrorName (Security::ErrorCode value)
	The string representation of the TLS error "value". More...

const char *	GetErrorDescr (Security::ErrorCode value)
	A short description of the TLS error "value". More...

bool	ErrorIsOptional (const char *name)

void	errorDetailInitialize ()

void	errorDetailClean ()

	sk_dtor_wrapper (sk_X509, STACK_OF(X509)*, X509_free)

	sk_dtor_wrapper (sk_GENERAL_NAME, STACK_OF(GENERAL_NAME)*, GENERAL_NAME_free)

EVP_PKEY *	createSslPrivateKey ()

bool	writeCertAndPrivateKeyToMemory (Security::CertPointer const &cert, Security::PrivateKeyPointer const &pkey, std::string &bufferToWrite)

bool	appendCertToMemory (Security::CertPointer const &cert, std::string &bufferToWrite)

bool	readCertAndPrivateKeyFromMemory (Security::CertPointer &cert, Security::PrivateKeyPointer &pkey, char const *bufferToRead)

bool	readCertFromMemory (Security::CertPointer &cert, char const *bufferToRead)

void	ReadPrivateKeyFromFile (char const keyFilename, Security::PrivateKeyPointer &pkey, pem_password_cb passwd_callback)

bool	OpenCertsFileForReading (BIO_Pointer &bio, const char *filename)

bool	ReadX509Certificate (BIO_Pointer &bio, Security::CertPointer &cert)

bool	ReadPrivateKey (BIO_Pointer &bio, Security::PrivateKeyPointer &pkey, pem_password_cb *passwd_callback)

bool	OpenCertsFileForWriting (BIO_Pointer &bio, const char *filename)

bool	WriteX509Certificate (BIO_Pointer &bio, const Security::CertPointer &cert)

bool	WritePrivateKey (BIO_Pointer &bio, const Security::PrivateKeyPointer &pkey)

const char *	certSignAlgorithm (int sg)

CertSignAlgorithm	certSignAlgorithmId (const char *sg)

const char *	sslCertAdaptAlgoritm (int alg)

std::string &	OnDiskCertificateDbKey (const CertificateProperties &)

bool	generateSslCertificate (Security::CertPointer &cert, Security::PrivateKeyPointer &pkey, CertificateProperties const &properties)

bool	sslDateIsInTheFuture (char const *date)

bool	certificateMatchesProperties (X509 *peer_cert, CertificateProperties const &properties)

const char *	CommonHostName (X509 *x509)

const char *	getOrganization (X509 *x509)

bool	CertificatesCmp (const Security::CertPointer &cert1, const Security::CertPointer &cert2)

const ASN1_BIT_STRING *	X509_get_signature (const Security::CertPointer &)

static void	HandleGeneratorReply (void *data, const ::Helper::Reply &reply)
	receives helper response More...

int	AskPasswordCb (char buf, int size, int rwflag, void userdata)

void	Initialize ()

bool	InitServerContext (Security::ContextPointer &, AnyP::PortCfg &)
	initialize a TLS server context with OpenSSL specific settings More...

bool	InitClientContext (Security::ContextPointer &, Security::PeerOptions &, long flags)
	initialize a TLS client context with OpenSSL specific settings More...

void	SetupVerifyCallback (Security::ContextPointer &)
	set the certificate verify callback for a context More...

void	MaybeSetupRsaCallback (Security::ContextPointer &)
	if required, setup callback for generating ephemeral RSA keys More...

const char *	bumpMode (int bm)

bool	loadCerts (const char *certsFile, Ssl::CertsIndexedList &list)

bool	loadSquidUntrusted (const char *path)

void	unloadSquidUntrusted ()

void	SSL_add_untrusted_cert (SSL ssl, X509 cert)

const char *	uriOfIssuerIfMissing (X509 *cert, Security::CertList const &serverCertificates, const Security::ContextPointer &context)

void	missingChainCertificatesUrls (std::queue< SBuf > &URIs, Security::CertList const &serverCertificates, const Security::ContextPointer &context)

bool	generateUntrustedCert (Security::CertPointer &untrustedCert, Security::PrivateKeyPointer &untrustedPkey, Security::CertPointer const &cert, Security::PrivateKeyPointer const &pkey)

Security::ContextPointer	GenerateSslContext (CertificateProperties const &, Security::ServerOptions &, bool trusted)

bool	verifySslCertificate (Security::ContextPointer &, CertificateProperties const &)

Security::ContextPointer	GenerateSslContextUsingPkeyAndCertFromMemory (const char *data, Security::ServerOptions &, bool trusted)

Security::ContextPointer	createSSLContext (Security::CertPointer &x509, Security::PrivateKeyPointer &pkey, Security::ServerOptions &)
	Create SSL context and apply ssl certificate and private key to it. More...

void	chainCertificatesToSSLContext (Security::ContextPointer &, Security::ServerOptions &)

void	configureUnconfiguredSslContext (Security::ContextPointer &, Ssl::CertSignAlgorithm signAlgorithm, AnyP::PortCfg &)

bool	configureSSL (SSL *ssl, CertificateProperties const &properties, AnyP::PortCfg &port)

bool	configureSSLUsingPkeyAndCertFromMemory (SSL ssl, const char data, AnyP::PortCfg &port)

void	useSquidUntrusted (SSL_CTX *sslContext)

int	matchX509CommonNames (X509 peer_cert, void check_data, int(check_func)(void check_data, ASN1_STRING *cn_data))

bool	checkX509ServerValidity (X509 cert, const char server)

int	asn1timeToString (ASN1_TIME tm, char buf, int len)

void	setClientSNI (SSL ssl, const char fqdn)

void	InRamCertificateDbKey (const Ssl::CertificateProperties &certProperties, SBuf &key)

BIO *	BIO_new_SBuf (SBuf *buf)

Variables
Config	TheConfig

GlobalContextStorage	TheGlobalContextStorage
	Global cache for store all SSL server certificates. More...

const char *	CertSignAlgorithmStr []

const char *	CertAdaptAlgorithmStr []

GETX509ATTRIBUTE	GetX509UserAttribute

GETX509ATTRIBUTE	GetX509CAAttribute

GETX509ATTRIBUTE	GetX509Fingerprint

const EVP_MD *	DefaultSignHash = NULL

std::vector< const char * >	BumpModeStr

Typedef Documentation

typedef std::unique_ptr<ASN1_INTEGER, HardFun<void, ASN1_INTEGER*, &ASN1_INTEGER_free> > Ssl::ASN1_INT_Pointer

Definition at line 52 of file gadgets.h.

typedef std::unique_ptr<ASN1_OCTET_STRING, HardFun<void, ASN1_OCTET_STRING*, &ASN1_OCTET_STRING_free> > Ssl::ASN1_OCTET_STRING_Pointer

Definition at line 54 of file gadgets.h.

typedef std::unique_ptr<AUTHORITY_KEYID, HardFun<void, AUTHORITY_KEYID*, &AUTHORITY_KEYID_free> > Ssl::AUTHORITY_KEYID_Pointer

Definition at line 64 of file gadgets.h.

typedef std::unique_ptr<BIGNUM, HardFun<void, BIGNUM*, &BN_free> > Ssl::BIGNUM_Pointer

Definition at line 48 of file gadgets.h.

typedef std::unique_ptr<BIO, HardFun<void, BIO*, &BIO_vfree> > Ssl::BIO_Pointer

Definition at line 50 of file gadgets.h.

typedef std::multimap< SBuf, X509 * > Ssl::CertsIndexedList

Definition at line 151 of file support.h.

typedef RefCount<CertValidationResponse> Ssl::CertValidationResponsePointer

Definition at line 79 of file support.h.

typedef std::unique_ptr<GENERAL_NAME, HardFun<void, GENERAL_NAME*, &GENERAL_NAME_free> > Ssl::GENERAL_NAME_Pointer

Definition at line 69 of file gadgets.h.

typedef std::unique_ptr<STACK_OF(GENERAL_NAME), sk_GENERAL_NAME_free_wrapper> Ssl::GENERAL_NAME_STACK_Pointer

Definition at line 67 of file gadgets.h.

typedef std::unordered_map<SBuf, GeneratorRequest*> Ssl::GeneratorRequests

Definition at line 52 of file helper.cc.

typedef LruMap<SBuf, Security::ContextPointer, SSL_CTX_SIZE> Ssl::LocalContextStorage

Definition at line 52 of file context_storage.h.

typedef std::unique_ptr<RSA, HardFun<void, RSA*, &RSA_free> > Ssl::RSA_Pointer

Definition at line 60 of file gadgets.h.

typedef std::unique_ptr<TXT_DB, HardFun<void, TXT_DB*, &TXT_DB_free> > Ssl::TXT_DB_Pointer

Definition at line 56 of file gadgets.h.

typedef std::unique_ptr<X509_EXTENSION, HardFun<void, X509_EXTENSION*, &X509_EXTENSION_free> > Ssl::X509_EXTENSION_Pointer

Definition at line 71 of file gadgets.h.

typedef std::unique_ptr<X509_NAME, HardFun<void, X509_NAME*, &X509_NAME_free> > Ssl::X509_NAME_Pointer

Definition at line 58 of file gadgets.h.

typedef std::unique_ptr<X509_REQ, HardFun<void, X509_REQ*, &X509_REQ_free> > Ssl::X509_REQ_Pointer

Definition at line 62 of file gadgets.h.

typedef std::unique_ptr<STACK_OF(X509), sk_X509_free_wrapper> Ssl::X509_STACK_Pointer

Definition at line 46 of file gadgets.h.

Enumeration Type Documentation

enum Ssl::BumpStep

Enumerator
bumpStep1
bumpStep2
bumpStep3

Definition at line 133 of file support.h.

Function Documentation

int Ssl::AskPasswordCb	(	char *	buf,
		int	size,
		int	rwflag,
		void *	userdata
	)

callback for receiving password to access password secured PEM files XXX: Requires SSL_CTX_set_default_passwd_cb_userdata()!

Definition at line 63 of file support.cc.

References len.

Referenced by Security::KeyData::loadX509PrivateKeyFromFile(), and ssl_ask_password().

void Ssl::errorDetailClean ( )

Definition at line 21 of file ErrorDetailManager.cc.

References Ssl::ErrorDetailsManager::Shutdown().

Referenced by errorClean().

void Ssl::errorDetailInitialize ( )

Definition at line 16 of file ErrorDetailManager.cc.

References Ssl::ErrorDetailsManager::GetInstance().

Referenced by errorInitialize().

bool Ssl::ErrorIsOptional ( const char * name )

Returns: true if the TLS error is optional and may not be supported by current squid version

Definition at line 405 of file ErrorDetail.cc.

References i, NULL, and OptionalSslErrors.

Referenced by Ssl::ErrorDetailFile::parse().

Security::ErrorCode Ssl::GetErrorCode ( const char * name )

Definition at line 345 of file ErrorDetail.cc.

References i, SslErrorEntry::name, NULL, and SslErrorEntry::value.

Referenced by Ssl::ErrorDetailFile::parse(), ParseErrorString(), and Ssl::CertValidationMsg::parseResponse().

const char * Ssl::GetErrorDescr ( Security::ErrorCode value )

Definition at line 415 of file ErrorDetail.cc.

Referenced by ssl_verify_cb().

const char * Ssl::GetErrorName ( Security::ErrorCode value )

Definition at line 392 of file ErrorDetail.cc.

References loadSslErrorMap(), NULL, and TheSslErrors.

Referenced by Format::Format::assemble(), Ssl::CertValidationMsg::composeRequest(), ACLSslErrorData::dump(), Ssl::ErrorDetail::err_code(), and Ssl::ErrorDetailsManager::getErrorDetail().

static void Ssl::HandleGeneratorReply	(	void *	data,
		const ::Helper::Reply &	reply
	)

static

Definition at line 149 of file helper.cc.

References assert, cbdata::data, debugs, Ssl::GeneratorRequest::query, request(), Ssl::GeneratorRequest::requestors, and TheGeneratorRequests.

Referenced by Ssl::Helper::Submit().

bool Ssl::InitClientContext	(	Security::ContextPointer &	ctx,
		Security::PeerOptions &	peer,
		long	flags
	)

Definition at line 531 of file support.cc.

References SBuf::c_str(), Security::PeerOptions::certs, DBG_IMPORTANT, debugs, Security::ErrorString(), fatalf(), SBuf::isEmpty(), keys, MaybeSetupRsaCallback(), NULL, SetupVerifyCallback(), ssl_ask_password(), SSL_FLAG_DONT_VERIFY_PEER, and Security::PeerOptions::sslCipher.

Referenced by Security::PeerOptions::createClientContext().

void Ssl::Initialize ( void )

initialize the SSL library global state. call before generating any SSL context

Definition at line 479 of file support.cc.

References DefaultSignHash, Security::ErrorString(), fatalf(), NULL, SQUID_OPENSSL_init_ssl(), SQUID_SSL_SIGN_HASH_IF_NONE, ssl_ctx_ex_index_dont_verify_domain, ssl_dupAclChecklist(), ssl_ex_index_cert_error_check, ssl_ex_index_server, ssl_ex_index_ssl_cert_chain, ssl_ex_index_ssl_error_detail, ssl_ex_index_ssl_errors, ssl_ex_index_ssl_peeked_cert, ssl_ex_index_ssl_untrusted_chain, ssl_ex_index_ssl_validation_counter, ssl_free_CertChain(), ssl_free_ErrorDetail(), ssl_free_int(), ssl_free_SBuf(), ssl_free_SslErrors(), ssl_free_X509(), and ssl_freeAclChecklist().

Referenced by Security::PeerOptions::createBlankContext(), and Security::ServerOptions::createBlankContext().

bool Ssl::InitServerContext	(	Security::ContextPointer &	ctx,
		AnyP::PortCfg &	port
	)

Definition at line 522 of file support.cc.

void Ssl::MaybeSetupRsaCallback ( Security::ContextPointer & ctx )

Definition at line 170 of file support.cc.

References debugs.

Referenced by InitClientContext(), and Security::ServerOptions::updateContextConfig().

void Ssl::missingChainCertificatesUrls	(	std::queue< SBuf > &	URIs,
		Security::CertList const &	serverCertificates,
		const Security::ContextPointer &	context
	)

Fill URIs queue with the uris of missing certificates from serverCertificate chain if this information provided by Authority Info Access.

Definition at line 1080 of file support.cc.

References i, and uriOfIssuerIfMissing().

Referenced by Security::PeerConnector::checkForMissingCertificates().

bool Ssl::ParseErrorString	(	const char *	name,
		Security::Errors &	errors
	)

Converts user-friendly error "name" into an Security::ErrorCode and adds it to the provided container (using emplace). This function can handle numeric error numbers as well as names.

Definition at line 356 of file ErrorDetail.cc.

References assert, fatalf(), GetErrorCode(), i, loadSslErrorShortcutsMap(), NULL, SQUID_SSL_ERROR_MAX, SQUID_SSL_ERROR_MIN, TheSslErrorShortcuts, and xisdigit.

Referenced by ACLSslErrorData::parse().

void Ssl::SetupVerifyCallback ( Security::ContextPointer & ctx )

Definition at line 393 of file support.cc.

References ssl_verify_cb().

Referenced by InitClientContext(), and Security::ServerOptions::updateContextClientCa().

Ssl::sk_dtor_wrapper	(	sk_X509	,
		STACK_OF(X509)*	,
		X509_free
	)

std::unique_ptr typedefs for common SSL objects

Ssl::sk_dtor_wrapper	(	sk_GENERAL_NAME	,
		STACK_OF(GENERAL_NAME)*	,
		GENERAL_NAME_free
	)

void Ssl::SSL_add_untrusted_cert	(	SSL *	ssl,
		X509 *	cert
	)

Add the certificate cert to ssl object untrusted certificates. Squid uses an attached to SSL object list of untrusted certificates, with certificates which can be used to complete incomplete chains sent by the SSL server.

Definition at line 1092 of file support.cc.

References Here, ssl_ex_index_ssl_untrusted_chain, and STACK_OF().

Referenced by Security::PeerConnector::certDownloadingDone().