Typedefs
typedef struct pn_sasl_t	pn_sasl_t

Enumerations
enum	pn_sasl_outcome_t { PN_SASL_NONE =-1, PN_SASL_OK =0, PN_SASL_AUTH =1, PN_SASL_SYS =2, PN_SASL_PERM =3, PN_SASL_TEMP =4 }
	The result of the SASL negotiation. More...

Functions
PN_EXTERN pn_sasl_t *	pn_sasl (pn_transport_t *transport)
	Construct an Authentication and Security Layer object. More...

PN_EXTERN bool	pn_sasl_extended (void)
	Do we support extended SASL negotiation. More...

PN_EXTERN void	pn_sasl_done (pn_sasl_t *sasl, pn_sasl_outcome_t outcome)
	Set the outcome of SASL negotiation. More...

PN_EXTERN pn_sasl_outcome_t	pn_sasl_outcome (pn_sasl_t *sasl)
	Retrieve the outcome of SASL negotiation. More...

PN_EXTERN const char *	pn_sasl_get_user (pn_sasl_t *sasl)
	Retrieve the authenticated user. More...

PN_EXTERN const char *	pn_sasl_get_mech (pn_sasl_t *sasl)
	Return the selected SASL mechanism. More...

PN_EXTERN void	pn_sasl_allowed_mechs (pn_sasl_t sasl, const char mechs)
	SASL mechanisms that are to be considered for authentication. More...

PN_EXTERN void	pn_sasl_set_allow_insecure_mechs (pn_sasl_t *sasl, bool insecure)
	Boolean to allow use of clear text authentication mechanisms. More...

PN_EXTERN bool	pn_sasl_get_allow_insecure_mechs (pn_sasl_t *sasl)
	Return the current value for allow_insecure_mechs. More...

PN_EXTERN void	pn_sasl_config_name (pn_sasl_t sasl, const char name)
	Set the sasl configuration name. More...

PN_EXTERN void	pn_sasl_config_path (pn_sasl_t sasl, const char path)
	Set the sasl configuration path. More...

Detailed Description

Typedef Documentation

typedef struct pn_sasl_t pn_sasl_t

Enumeration Type Documentation

enum pn_sasl_outcome_t

The result of the SASL negotiation.

Enumerator
PN_SASL_NONE
PN_SASL_OK	negotiation not completed
PN_SASL_AUTH	authentication succeeded
PN_SASL_SYS	failed due to bad credentials
PN_SASL_PERM	failed due to a system error
PN_SASL_TEMP	failed due to unrecoverable error

Function Documentation

PN_EXTERN pn_sasl_t* pn_sasl ( pn_transport_t * transport )

Construct an Authentication and Security Layer object.

This will return the SASL layer object for the supplied transport object. If there is currently no SASL layer one will be created.

On the client side of an AMQP connection this will have the effect of ensuring that the AMQP SASL layer is used for that connection.

Returns: an object representing the SASL layer.

PN_EXTERN void pn_sasl_allowed_mechs	(	pn_sasl_t *	sasl,
		const char *	mechs
	)

SASL mechanisms that are to be considered for authentication.

This can be used on either the client or the server to restrict the SASL mechanisms that may be used to the mechanisms on the list.

Parameters

[in]	sasl	the SASL layer
[in]	mechs	space separated list of mechanisms that are allowed for authentication

PN_EXTERN void pn_sasl_config_name	(	pn_sasl_t *	sasl,
		const char *	name
	)

Set the sasl configuration name.

This is used to construct the SASL configuration filename. In the current implementation it ".conf" is added to the name and the file is looked for in the configuration directory.

If not set it will default to "proton-server" for a sasl server and "proton-client" for a client.

Parameters

[in]	sasl	the SASL layer
[in]	name	the configuration name

PN_EXTERN void pn_sasl_config_path	(	pn_sasl_t *	sasl,
		const char *	path
	)

Set the sasl configuration path.

This is used to tell SASL where to look for the configuration file. In the current implementation it can be a colon separated list of directories.

The environment variable PN_SASL_CONFIG_PATH can also be used to set this path, but if both methods are used then this pn_sasl_config_path() will take precedence.

If not set the underlying implementation default will be used. for a client.

Parameters

[in]	sasl	the SASL layer
[in]	path	the configuration path

PN_EXTERN void pn_sasl_done	(	pn_sasl_t *	sasl,
		pn_sasl_outcome_t	outcome
	)

Set the outcome of SASL negotiation.

Used by the server to set the result of the negotiation process.

Todo:

PN_EXTERN bool pn_sasl_extended ( void )

Do we support extended SASL negotiation.

Do we support extended SASL negotiation? All implementations of Proton support ANONYMOUS and EXTERNAL on both client and server sides and PLAIN on the client side.

Extended SASL implememtations use an external library (Cyrus SASL) to support other mechanisms beyond these basic ones.

Returns: true if we support extended SASL negotiation, false if we only support basic negotiation.

PN_EXTERN bool pn_sasl_get_allow_insecure_mechs ( pn_sasl_t * sasl )

Return the current value for allow_insecure_mechs.

Parameters

[in] sasl the SASL layer

PN_EXTERN const char* pn_sasl_get_mech ( pn_sasl_t * sasl )

Return the selected SASL mechanism.

The returned value is only reliable after the PN_TRANSPORT_AUTHENTICATED event has been received.

Parameters

[in] sasl the SASL layer

Returns: The authentication mechanism selected by the SASL layer

PN_EXTERN const char* pn_sasl_get_user ( pn_sasl_t * sasl )

Retrieve the authenticated user.

This is usually used at the the server end to find the name of the authenticated user. On the client it will merely return whatever user was passed in to the pn_transport_set_user_password() API.

If pn_sasl_outcome() returns a value other than PN_SASL_OK, then there will be no user to return. The returned value is only reliable after the PN_TRANSPORT_AUTHENTICATED event has been received.

Parameters

[in] sasl the sasl layer

Returns: If the SASL layer was not negotiated then 0 is returned If the ANONYMOUS mechanism is used then the user will be "anonymous" Otherwise a string containing the user is returned.

PN_EXTERN pn_sasl_outcome_t pn_sasl_outcome ( pn_sasl_t * sasl )

Retrieve the outcome of SASL negotiation.

Todo:

PN_EXTERN void pn_sasl_set_allow_insecure_mechs	(	pn_sasl_t *	sasl,
		bool	insecure
	)

Boolean to allow use of clear text authentication mechanisms.

By default the SASL layer is configured not to allow mechanisms that disclose the clear text of the password over an unencrypted AMQP connection. This specifically will disallow the use of the PLAIN mechanism without using SSL encryption.

This default is to avoid disclosing password information accidentally over an insecure network.

If you actually wish to use a clear text password unencrypted then you can use this API to set allow_insecure_mechs to true.

Parameters

[in]	sasl	the SASL layer
[in]	insecure	set this to true to allow unencrypted PLAIN authentication.

Typedefs

Enumerations

Functions

Detailed Description

Typedef Documentation

Enumeration Type Documentation

Function Documentation