3.1 Engine Version Check

Function: const char * gpgme_get_dirinfo (cons char *what)

SINCE: 1.5.0

The function gpgme_get_dirinfo returns a statically allocated string with the value associated to what. The returned values are the defaults and won’t change even after gpgme_set_engine_info has been used to configure a different engine. NULL is returned if no value is available. Commonly supported values for what are:

homedir

Return the default home directory.

sysconfdir

Return the name of the system configuration directory

bindir

Return the name of the directory with GnuPG program files.

libdir

Return the name of the directory with GnuPG related library files.

libexecdir

Return the name of the directory with GnuPG helper program files.

datadir

Return the name of the directory with GnuPG shared data.

localedir

Return the name of the directory with GnuPG locale data.

agent-socket

Return the name of the socket to connect to the gpg-agent.

agent-ssh-socket

Return the name of the socket to connect to the ssh-agent component of gpg-agent.

dirmngr-socket

Return the name of the socket to connect to the dirmngr.

uiserver-socket

Return the name of the socket to connect to the user interface server.

gpgconf-name

Return the file name of the engine configuration tool.

gpg-name

Return the file name of the OpenPGP engine.

gpgsm-name

Return the file name of the CMS engine.

g13-name

Return the name of the file container encryption engine.

keyboxd-name

Return the name of the key database daemon.

agent-name

Return the name of gpg-agent.

scdaemon-name

Return the name of the smart card daemon.

dirmngr-name

Return the name of dirmngr.

pinentry-name

Return the name of the pinentry program.

gpg-wks-client-name

Return the name of the Web Key Service tool.

Function: gpgme_error_t gpgme_engine_check_version (gpgme_protocol_t protocol)

The function gpgme_engine_check_version verifies that the engine implementing the protocol PROTOCOL is installed in the expected path and meets the version requirement of GPGME.

This function returns the error code GPG_ERR_NO_ERROR if the engine is available and GPG_ERR_INV_ENGINE if it is not.