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GTlsDatabase

GTlsDatabase — TLS database type

Object Hierarchy

    GObject
    ╰── GTlsDatabase

Known Derived Interfaces

GTlsDatabase is required by GTlsFileDatabase.

Includes

#include <gio/gio.h>

Description

GTlsDatabase is used to lookup certificates and other information from a certificate or key store. It is an abstract base class which TLS library specific subtypes override.

Most common client applications will not directly interact with GTlsDatabase. It is used internally by GTlsConnection.

Functions

g_tls_database_verify_chain ()

GTlsCertificateFlags
g_tls_database_verify_chain (GTlsDatabase *self,
                             GTlsCertificate *chain,
                             const gchar *purpose,
                             GSocketConnectable *identity,
                             GTlsInteraction *interaction,
                             GTlsDatabaseVerifyFlags flags,
                             GCancellable *cancellable,
                             GError **error);

Verify's a certificate chain after looking up and adding any missing certificates to the chain.

chain is a chain of GTlsCertificate objects each pointing to the next certificate in the chain by its issuer property. The chain may initially consist of one or more certificates. After the verification process is complete, chain may be modified by adding missing certificates, or removing extra certificates. If a certificate anchor was found, then it is added to the chain .

purpose describes the purpose (or usage) for which the certificate is being used. Typically purpose will be set to G_TLS_DATABASE_PURPOSE_AUTHENTICATE_SERVER which means that the certificate is being used to authenticate a server (and we are acting as the client).

The identity is used to check for pinned certificates (trust exceptions) in the database. These will override the normal verification process on a host by host basis.

Currently there are no flags , and G_TLS_DATABASE_VERIFY_NONE should be used.

This function can block, use g_tls_database_verify_chain_async() to perform the verification operation asynchronously.

Parameters

self

a GTlsDatabase

 

chain

a GTlsCertificate chain

 

purpose

the purpose that this certificate chain will be used for.

 

identity

the expected peer identity.

[allow-none]

interaction

used to interact with the user if necessary.

[allow-none]

flags

additional verify flags

 

cancellable

a GCancellable, or NULL.

[allow-none]

error

a GError, or NULL.

[allow-none]

Returns

the appropriate GTlsCertificateFlags which represents the result of verification.

Since 2.30


g_tls_database_verify_chain_async ()

void
g_tls_database_verify_chain_async (GTlsDatabase *self,
                                   GTlsCertificate *chain,
                                   const gchar *purpose,
                                   GSocketConnectable *identity,
                                   GTlsInteraction *interaction,
                                   GTlsDatabaseVerifyFlags flags,
                                   GCancellable *cancellable,
                                   GAsyncReadyCallback callback,
                                   gpointer user_data);

Asynchronously verify's a certificate chain after looking up and adding any missing certificates to the chain. See g_tls_database_verify_chain() for more information.

Parameters

self

a GTlsDatabase

 

chain

a GTlsCertificate chain

 

purpose

the purpose that this certificate chain will be used for.

 

identity

the expected peer identity.

[allow-none]

interaction

used to interact with the user if necessary.

[allow-none]

flags

additional verify flags

 

cancellable

a GCancellable, or NULL.

[allow-none]

callback

callback to call when the operation completes

 

user_data

the data to pass to the callback function

 

Since 2.30


g_tls_database_verify_chain_finish ()

GTlsCertificateFlags
g_tls_database_verify_chain_finish (GTlsDatabase *self,
                                    GAsyncResult *result,
                                    GError **error);

Finish an asynchronous verify chain operation. See g_tls_database_verify_chain() for more information. *

Parameters

self

a GTlsDatabase

 

result

a GAsyncResult.

 

error

a GError pointer, or NULL

 

Returns

the appropriate GTlsCertificateFlags which represents the result of verification.

Since 2.30


g_tls_database_lookup_certificate_issuer ()

GTlsCertificate *
g_tls_database_lookup_certificate_issuer
                               (GTlsDatabase *self,
                                GTlsCertificate *certificate,
                                GTlsInteraction *interaction,
                                GTlsDatabaseLookupFlags flags,
                                GCancellable *cancellable,
                                GError **error);

Lookup the issuer of certificate in the database.

The issuer property of certificate is not modified, and the two certificates are not hooked into a chain.

This function can block, use g_tls_database_lookup_certificate_issuer_async() to perform the lookup operation asynchronously.

Parameters

self

a GTlsDatabase

 

certificate

a GTlsCertificate

 

interaction

used to interact with the user if necessary.

[allow-none]

flags

flags which affect the lookup operation

 

cancellable

a GCancellable, or NULL.

[allow-none]

error

a GError, or NULL.

[allow-none]

Returns

a newly allocated issuer GTlsCertificate, or NULL. Use g_object_unref() to release the certificate.

[transfer full]

Since 2.30


g_tls_database_lookup_certificate_issuer_async ()

void
g_tls_database_lookup_certificate_issuer_async
                               (GTlsDatabase *self,
                                GTlsCertificate *certificate,
                                GTlsInteraction *interaction,
                                GTlsDatabaseLookupFlags flags,
                                GCancellable *cancellable,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

Asynchronously lookup the issuer of certificate in the database. See g_tls_database_lookup_certificate_issuer() for more information.

Parameters

self

a GTlsDatabase

 

certificate

a GTlsCertificate

 

interaction

used to interact with the user if necessary.

[allow-none]

flags

flags which affect the lookup operation

 

cancellable

a GCancellable, or NULL.

[allow-none]

callback

callback to call when the operation completes

 

user_data

the data to pass to the callback function

 

Since 2.30


g_tls_database_lookup_certificate_issuer_finish ()

GTlsCertificate *
g_tls_database_lookup_certificate_issuer_finish
                               (GTlsDatabase *self,
                                GAsyncResult *result,
                                GError **error);

Finish an asynchronous lookup issuer operation. See g_tls_database_lookup_certificate_issuer() for more information.

Parameters

self

a GTlsDatabase

 

result

a GAsyncResult.

 

error

a GError pointer, or NULL

 

Returns

a newly allocated issuer GTlsCertificate, or NULL. Use g_object_unref() to release the certificate.

[transfer full]

Since 2.30


g_tls_database_lookup_certificates_issued_by ()

GList *
g_tls_database_lookup_certificates_issued_by
                               (GTlsDatabase *self,
                                GByteArray *issuer_raw_dn,
                                GTlsInteraction *interaction,
                                GTlsDatabaseLookupFlags flags,
                                GCancellable *cancellable,
                                GError **error);

Lookup certificates issued by this issuer in the database.

This function can block, use g_tls_database_lookup_certificates_issued_by_async() to perform the lookup operation asynchronously.

Parameters

self

a GTlsDatabase

 

issuer_raw_dn

a GByteArray which holds the DER encoded issuer DN.

 

interaction

used to interact with the user if necessary.

[allow-none]

flags

Flags which affect the lookup operation.

 

cancellable

a GCancellable, or NULL.

[allow-none]

error

a GError, or NULL.

[allow-none]

Returns

a newly allocated list of GTlsCertificate objects. Use g_object_unref() on each certificate, and g_list_free() on the release the list.

[transfer full][element-type GTlsCertificate]

Since 2.30


g_tls_database_lookup_certificates_issued_by_async ()

void
g_tls_database_lookup_certificates_issued_by_async
                               (GTlsDatabase *self,
                                GByteArray *issuer_raw_dn,
                                GTlsInteraction *interaction,
                                GTlsDatabaseLookupFlags flags,
                                GCancellable *cancellable,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

Asynchronously lookup certificates issued by this issuer in the database. See g_tls_database_lookup_certificates_issued_by() for more information.

The database may choose to hold a reference to the issuer byte array for the duration of of this asynchronous operation. The byte array should not be modified during this time.

Parameters

self

a GTlsDatabase

 

issuer_raw_dn

a GByteArray which holds the DER encoded issuer DN.

 

interaction

used to interact with the user if necessary.

[allow-none]

flags

Flags which affect the lookup operation.

 

cancellable

a GCancellable, or NULL.

[allow-none]

callback

callback to call when the operation completes

 

user_data

the data to pass to the callback function

 

Since 2.30


g_tls_database_lookup_certificates_issued_by_finish ()

GList *
g_tls_database_lookup_certificates_issued_by_finish
                               (GTlsDatabase *self,
                                GAsyncResult *result,
                                GError **error);

Finish an asynchronous lookup of certificates. See g_tls_database_lookup_certificates_issued_by() for more information.

Parameters

self

a GTlsDatabase

 

result

a GAsyncResult.

 

error

a GError pointer, or NULL

 

Returns

a newly allocated list of GTlsCertificate objects. Use g_object_unref() on each certificate, and g_list_free() on the release the list.

[transfer full][element-type GTlsCertificate]

Since 2.30


g_tls_database_create_certificate_handle ()

gchar *
g_tls_database_create_certificate_handle
                               (GTlsDatabase *self,
                                GTlsCertificate *certificate);

Create a handle string for the certificate. The database will only be able to create a handle for certificates that originate from the database. In cases where the database cannot create a handle for a certificate, NULL will be returned.

This handle should be stable across various instances of the application, and between applications. If a certificate is modified in the database, then it is not guaranteed that this handle will continue to point to it.

Parameters

self

a GTlsDatabase

 

certificate

certificate for which to create a handle.

 

Returns

a newly allocated string containing the handle.

[nullable]

Since 2.30


g_tls_database_lookup_certificate_for_handle ()

GTlsCertificate *
g_tls_database_lookup_certificate_for_handle
                               (GTlsDatabase *self,
                                const gchar *handle,
                                GTlsInteraction *interaction,
                                GTlsDatabaseLookupFlags flags,
                                GCancellable *cancellable,
                                GError **error);

Lookup a certificate by its handle.

The handle should have been created by calling g_tls_database_create_certificate_handle() on a GTlsDatabase object of the same TLS backend. The handle is designed to remain valid across instantiations of the database.

If the handle is no longer valid, or does not point to a certificate in this database, then NULL will be returned.

This function can block, use g_tls_database_lookup_certificate_for_handle_async() to perform the lookup operation asynchronously.

Parameters

self

a GTlsDatabase

 

handle

a certificate handle

 

interaction

used to interact with the user if necessary.

[allow-none]

flags

Flags which affect the lookup.

 

cancellable

a GCancellable, or NULL.

[allow-none]

error

a GError, or NULL.

[allow-none]

Returns

a newly allocated GTlsCertificate, or NULL. Use g_object_unref() to release the certificate.

[transfer full][allow-none]

Since 2.30


g_tls_database_lookup_certificate_for_handle_async ()

void
g_tls_database_lookup_certificate_for_handle_async
                               (GTlsDatabase *self,
                                const gchar *handle,
                                GTlsInteraction *interaction,
                                GTlsDatabaseLookupFlags flags,
                                GCancellable *cancellable,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

Asynchronously lookup a certificate by its handle in the database. See g_tls_database_lookup_certificate_for_handle() for more information.

Parameters

self

a GTlsDatabase

 

handle

a certificate handle

 

interaction

used to interact with the user if necessary.

[allow-none]

flags

Flags which affect the lookup.

 

cancellable

a GCancellable, or NULL.

[allow-none]

callback

callback to call when the operation completes

 

user_data

the data to pass to the callback function

 

Since 2.30


g_tls_database_lookup_certificate_for_handle_finish ()

GTlsCertificate *
g_tls_database_lookup_certificate_for_handle_finish
                               (GTlsDatabase *self,
                                GAsyncResult *result,
                                GError **error);

Finish an asynchronous lookup of a certificate by its handle. See g_tls_database_lookup_certificate_handle() for more information.

If the handle is no longer valid, or does not point to a certificate in this database, then NULL will be returned.

Parameters

self

a GTlsDatabase

 

result

a GAsyncResult.

 

error

a GError pointer, or NULL

 

Returns

a newly allocated GTlsCertificate object. Use g_object_unref() to release the certificate.

[transfer full]

Since 2.30

Types and Values

GTlsDatabase

typedef struct _GTlsDatabase GTlsDatabase;

Abstract base class for the backend-specific database types.

Since 2.30


enum GTlsDatabaseVerifyFlags

Flags for g_tls_database_verify_chain().

Members

G_TLS_DATABASE_VERIFY_NONE

No verification flags

 

Since 2.30


G_TLS_DATABASE_PURPOSE_AUTHENTICATE_SERVER

#define G_TLS_DATABASE_PURPOSE_AUTHENTICATE_SERVER "1.3.6.1.5.5.7.3.1"

The purpose used to verify the server certificate in a TLS connection. This is the most common purpose in use. Used by TLS clients.


G_TLS_DATABASE_PURPOSE_AUTHENTICATE_CLIENT

#define G_TLS_DATABASE_PURPOSE_AUTHENTICATE_CLIENT "1.3.6.1.5.5.7.3.2"

The purpose used to verify the client certificate in a TLS connection. Used by TLS servers.


enum GTlsDatabaseLookupFlags

Flags for g_tls_database_lookup_certificate_handle(), g_tls_database_lookup_certificate_issuer(), and g_tls_database_lookup_certificates_issued_by().

Members

G_TLS_DATABASE_LOOKUP_NONE

No lookup flags

 

G_TLS_DATABASE_LOOKUP_KEYPAIR

Restrict lookup to certificates that have a private key.

 

Since 2.30

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