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GPGCONF(1) GNU Privacy Guard 2.6 GPGCONF(1) NAME gpgconf - Modify .gnupg home directories SYNOPSIS gpgconf [options] --list-components gpgconf [options] --list-options component gpgconf [options] --change-options component DESCRIPTION The gpgconf is a utility to automatically and reasonable safely query and modify configuration files in the `.gnupg' home directory. It is designed not to be invoked manually by the user, but automatically by graphical user interfaces (GUI). ([Please note that currently no locking is done, so con- current access should be avoided. There are some precautions to avoid cor- ruption with concurrent usage, but results may be inconsistent and some changes may get lost. The stateless design makes it difficult to provide more guarantees.]) gpgconf provides access to the configuration of one or more components of the GnuPG system. These components correspond more or less to the programs that exist in the GnuPG framework, like GPG, GPGSM, DirMngr, etc. But this is not a strict one-to-one relationship. Not all configuration options are available through gpgconf. gpgconf provides a generic and abstract method to access the most important configuration options that can feasibly be controlled via such a mechanism. gpgconf can be used to gather and change the options available in each com- ponent, and can also provide their default values. gpgconf will give de- tailed type information that can be used to restrict the user's input with- out making an attempt to commit the changes. gpgconf provides the backend of a configuration editor. The configuration editor would usually be a graphical user interface program that displays the current options, their default values, and allows the user to make changes to the options. These changes can then be made active with gpgconf again. Such a program that uses gpgconf in this way will be called GUI throughout this section. COMMANDS One of the following commands must be given: --list-components List all components. This is the default command used if none is specified. --check-programs List all available backend programs and test whether they are runnable. --list-options component List all options of the component component. --change-options component Change the options of the component component. --check-options component Check the options for the component component. --apply-profile file Apply the configuration settings listed in file to the configuration files. If file has no suffix and no slashes the command first tries to read a file with the suffix .prf from the data directory (gpgconf --list-dirs datadir) before it reads the file verbatim. A profile is divided into sections using the bracketed component name. Each section then lists the option which shall go into the respective configuration file. --apply-defaults Update all configuration files with values taken from the global configuration file (usually `/etc/gnupg/gpgconf.conf'). Note: This is a legacy mechanism. Please use global configuration files in- stead. --list-dirs [names] -L Lists the directories used by gpgconf. One directory is listed per line, and each line consists of a colon-separated list where the first field names the directory type (for example sysconfdir) and the second field contains the percent-escaped directory. Although they are not directories, the socket file names used by gpg-agent and dirmngr are printed as well. Note that the socket file names and the homedir lines are the default names and they may be overrid- den by command line switches. If names are given only the directo- ries or file names specified by the list names are printed without any escaping. --list-config [filename] List the global configuration file in a colon separated format. If filename is given, check that file instead. --check-config [filename] Run a syntax check on the global configuration file. If filename is given, check that file instead. --query-swdb package_name [version_string] Returns the current version for package_name and if version_string is given also an indicator on whether an update is available. The actual file with the software version is automatically downloaded and checked by dirmngr. dirmngr uses a thresholds to avoid download the file too often and it does this by default only if it can be done via Tor. To force an update of that file this command can be used: gpg-connect-agent --dirmngr 'loadswdb --force' /bye --reload [component] -R Reload all or the given component. This is basically the same as sending a SIGHUP to the component. Components which don't support reloading are ignored. Without component or by using "all" for com- ponent all components which are daemons are reloaded. --launch [component] If the component is not already running, start it. component must be a daemon. This is in general not required because the system starts these daemons as needed. However, external software making direct use of gpg-agent or dirmngr may use this command to ensure that they are started. Using "all" for component launches all com- ponents which are daemons. --kill [component] -K Kill the given component that runs as a daemon, including gpg-agent, dirmngr, and scdaemon. A component which does not run as a daemon will be ignored. Using "all" for component kills all components running as daemons. Note that as of now reload and kill have the same effect for scdaemon. --create-socketdir Create a directory for sockets below /run/user or /var/run/user. This is command is only required if a non default home directory is used and the /run based sockets shall be used. For the default home directory GnuPG creates a directory on the fly. --remove-socketdir Remove a directory created with command --create-socketdir. --unlock name --lock name Remove a stale lock file hold for `file'. The file is expected in the current GnuPG home directory. This command is usually not re- quired because GnuPG is able to detect and remove stale lock files. Before using the command make sure that the file protected by the lock file is actually not in use. The lock command may be used to lock an accidentally removed lock file. Note that the commands have no effect on Windows because the mere existence of a lock file does not mean that the lock is active. OPTIONS The following options may be used: -o file --output file Write output to file. Default is to write to stdout. -v --verbose Outputs additional information while running. Specifically, this extends numerical field values by human-readable descriptions. -q --quiet Try to be as quiet as possible. --homedir dir Set the name of the home directory to dir. If this option is not used, the home directory defaults to `~/.gnupg'. It is only recog- nized when given on the command line. It also overrides any home directory stated through the environment variable `GNUPGHOME' or (on Windows systems) by means of the Registry entry HKCU\Soft- ware\GNU\GnuPG:HomeDir. On Windows systems it is possible to install GnuPG as a portable ap- plication. In this case only this command line option is consid- ered, all other ways to set a home directory are ignored. --chuid uid Change the current user to uid which may either be a number or a name. This can be used from the root account to get information on the GnuPG environment of the specified user or to start or kill dae- mons. If uid is not the current UID a standard PATH is set and the envvar GNUPGHOME is unset. To override the latter the option --homedir can be used. This option has currently no effect on Win- dows. -n --dry-run Do not actually change anything. This is currently only implemented for --change-options and can be used for testing purposes. -r --runtime Only used together with --change-options. If one of the modified options can be changed in a running daemon process, signal the run- ning daemon to ask it to reparse its configuration file after chang- ing. This means that the changes will take effect at run-time, as far as this is possible. Otherwise, they will take effect at the next start of the respective backend programs. --status-fd n Write special status strings to the file descriptor n. This program returns the status messages SUCCESS or FAILURE which are helpful when the caller uses a double fork approach and can't easily get the return code of the process. USAGE The command --list-components will list all components that can be config- ured with gpgconf. Usually, one component will correspond to one GnuPG-re- lated program and contain the options of that program's configuration file that can be modified using gpgconf. However, this is not necessarily the case. A component might also be a group of selected options from several programs, or contain entirely virtual options that have a special effect rather than changing exactly one option in one configuration file. A component is a set of configuration options that semantically belong to- gether. Furthermore, several changes to a component can be made in an atomic way with a single operation. The GUI could for example provide a menu with one entry for each component, or a window with one tabulator sheet per component. The command --list-components lists all available components, one per line. The format of each line is: name:description:pgmname: name This field contains a name tag of the component. The name tag is used to specify the component in all communication with gpgconf. The name tag is to be used verbatim. It is thus not in any escaped format. description The string in this field contains a human-readable description of the component. It can be displayed to the user of the GUI for in- formational purposes. It is percent-escaped and localized. pgmname The string in this field contains the absolute name of the program's file. It can be used to unambiguously invoke that program. It is percent-escaped. Example: $ gpgconf --list-components gpg:GPG for OpenPGP:/usr/local/bin/gpg2: gpg-agent:GPG Agent:/usr/local/bin/gpg-agent: scdaemon:Smartcard Daemon:/usr/local/bin/scdaemon: gpgsm:GPG for S/MIME:/usr/local/bin/gpgsm: dirmngr:Directory Manager:/usr/local/bin/dirmngr: Checking programs The command --check-programs is similar to --list-components but works on backend programs and not on components. It runs each program to test whether it is installed and runnable. This also includes a syntax check of all config file options of the program. The command --check-programs lists all available programs, one per line. The format of each line is: name:description:pgmname:avail:okay:cfgfile:line:error: name This field contains a name tag of the program which is identical to the name of the component. The name tag is to be used verbatim. It is thus not in any escaped format. This field may be empty to indi- cate a continuation of error descriptions for the last name. The description and pgmname fields are then also empty. description The string in this field contains a human-readable description of the component. It can be displayed to the user of the GUI for in- formational purposes. It is percent-escaped and localized. pgmname The string in this field contains the absolute name of the program's file. It can be used to unambiguously invoke that program. It is percent-escaped. avail The boolean value in this field indicates whether the program is in- stalled and runnable. okay The boolean value in this field indicates whether the program's con- fig file is syntactically okay. cfgfile If an error occurred in the configuration file (as indicated by a false value in the field okay), this field has the name of the fail- ing configuration file. It is percent-escaped. line If an error occurred in the configuration file, this field has the line number of the failing statement in the configuration file. It is an unsigned number. error If an error occurred in the configuration file, this field has the error text of the failing statement in the configuration file. It is percent-escaped and localized. In the following example the dirmngr is not runnable and the configuration file of scdaemon is not okay. $ gpgconf --check-programs gpg:GPG for OpenPGP:/usr/local/bin/gpg2:1:1: gpg-agent:GPG Agent:/usr/local/bin/gpg-agent:1:1: scdaemon:Smartcard Daemon:/usr/local/bin/scdaemon:1:0: gpgsm:GPG for S/MIME:/usr/local/bin/gpgsm:1:1: dirmngr:Directory Manager:/usr/local/bin/dirmngr:0:0: The command configuration file in the same manner as --check-programs, but only for the component component. Listing options Every component contains one or more options. Options may be gathered into option groups to allow the GUI to give visual hints to the user about which options are related. The command lists all options (and the groups they belong to) in the com- ponent component, one per line. component must be the string in the field name in the output of the --list-components command. There is one line for each option and each group. First come all options that are not in any group. Then comes a line describing a group. Then come all options that belong into each group. Then comes the next group and so on. There does not need to be any group (and in this case the out- put will stop after the last non-grouped option). The format of each line is: name:flags:level:description:type:alt-type:argname:default:argdef:value name This field contains a name tag for the group or option. The name tag is used to specify the group or option in all communication with gpgconf. The name tag is to be used verbatim. It is thus not in any escaped format. flags The flags field contains an unsigned number. Its value is the OR- wise combination of the following flag values: group (1) If this flag is set, this is a line describing a group and not an option. The following flag values are only defined for options (that is, if the group flag is not used). optional arg (2) If this flag is set, the argument is optional. This is never set for type 0 (none) options. list (4) If this flag is set, the option can be given multiple times. runtime (8) If this flag is set, the option can be changed at runtime. default (16) If this flag is set, a default value is available. default desc (32) If this flag is set, a (runtime) default is available. This and the default flag are mutually exclusive. no arg desc (64) If this flag is set, and the optional arg flag is set, then the option has a special meaning if no argument is given. no change (128) If this flag is set, gpgconf ignores requests to change the value. GUI frontends should grey out this option. Note, that manual changes of the configuration files are still pos- sible. level This field is defined for options and for groups. It contains an unsigned number that specifies the expert level under which this group or option should be displayed. The following expert levels are defined for options (they have analogous meaning for groups): basic (0) This option should always be offered to the user. advanced (1) This option may be offered to advanced users. expert (2) This option should only be offered to expert users. invisible (3) This option should normally never be displayed, not even to expert users. internal (4) This option is for internal use only. Ignore it. The level of a group will always be the lowest level of all options it con- tains. description This field is defined for options and groups. The string in this field contains a human-readable description of the option or group. It can be displayed to the user of the GUI for informational pur- poses. It is percent-escaped and localized. type This field is only defined for options. It contains an unsigned number that specifies the type of the option's argument, if any. The following types are defined: Basic types: none (0) No argument allowed. string (1) An unformatted string. int32 (2) A signed number. uint32 (3) An unsigned number. Complex types: pathname (32) A string that describes the pathname of a file. The file does not necessarily need to exist. ldap server (33) A string that describes an LDAP server in the format: hostname:port:username:password:base_dn key fingerprint (34) A string with a 40 digit fingerprint specifying a certifi- cate. pub key (35) A string that describes a certificate by user ID, key ID or fingerprint. sec key (36) A string that describes a certificate with a key by user ID, key ID or fingerprint. alias list (37) A string that describes an alias list, like the one used with gpg's group option. The list consists of a key, an equal sign and space separated values. More types will be added in the future. Please see the alt-type field for information on how to cope with unknown types. alt-type This field is identical to type, except that only the types 0 to 31 are allowed. The GUI is expected to present the user the option in the format specified by type. But if the argument type type is not supported by the GUI, it can still display the option in the more generic basic type alt-type. The GUI must support all the defined basic types to be able to display all options. More basic types may be added in future versions. If the GUI encounters a basic type it doesn't support, it should report an error and abort the operation. argname This field is only defined for options with an argument type type that is not 0. In this case it may contain a percent-escaped and localized string that gives a short name for the argument. The field may also be empty, though, in which case a short name is not known. default This field is defined only for options for which the default or de- fault desc flag is set. If the default flag is set, its format is that of an option argument (see: [Format conventions], for details). If the default value is empty, then no default is known. Otherwise, the value specifies the default value for this option. If the de- fault desc flag is set, the field is either empty or contains a de- scription of the effect if the option is not given. argdef This field is defined only for options for which the optional arg flag is set. If the no arg desc flag is not set, its format is that of an option argument (see: [Format conventions], for details). If the default value is empty, then no default is known. Otherwise, the value specifies the default argument for this option. If the no arg desc flag is set, the field is either empty or contains a de- scription of the effect of this option if no argument is given. value This field is defined only for options. Its format is that of an option argument. If it is empty, then the option is not explicitly set in the current configuration, and the default applies (if any). Otherwise, it contains the current value of the option. Note that this field is also meaningful if the option itself does not take a real argument (in this case, it contains the number of times the op- tion appears). Changing options The command to change the options of the component component to the speci- fied values. component must be the string in the field name in the output of the --list-components command. You have to provide the options that shall be changed in the following format on standard input: name:flags:new-value name This is the name of the option to change. name must be the string in the field name in the output of the --list-options command. flags The flags field contains an unsigned number. Its value is the OR- wise combination of the following flag values: default (16) If this flag is set, the option is deleted and the default value is used instead (if applicable). new-value The new value for the option. This field is only defined if the de- fault flag is not set. The format is that of an option argument. If it is empty (or the field is omitted), the default argument is used (only allowed if the argument is optional for this option). Otherwise, the option will be set to the specified value. The output of the command is the same as that of --check-options for the modified configuration file. Examples: To set the force option, which is of basic type none (0): $ echo 'force:0:1' | gpgconf --change-options dirmngr To delete the force option: $ echo 'force:16:' | gpgconf --change-options dirmngr The --runtime option can influence when the changes take effect. Listing global options Some legacy applications look at the global configuration file for the gpg- conf tool itself; this is the file `gpgconf.conf'. Modern applications should not use it but use per component global configuration files which are more flexible than the `gpgconf.conf'. Using both files is not sug- gested. The colon separated listing format is record oriented and uses the first field to identify the record type: k This describes a key record to start the definition of a new ruleset for a user/group. The format of a key record is: k:user:group: user This is the user field of the key. It is percent escaped. See the definition of the gpgconf.conf format for details. group This is the group field of the key. It is percent escaped. r This describes a rule record. All rule records up to the next key record make up a rule set for that key. The format of a rule record is: r:::component:option:flag:value: component This is the component part of a rule. It is a plain string. option This is the option part of a rule. It is a plain string. flag This is the flags part of a rule. There may be only one flag per rule but by using the same component and option, several flags may be assigned to an option. It is a plain string. value This is the optional value for the option. It is a percent escaped string with a single quotation mark to indicate a string. The quotation mark is only required to distinguish between no value specified and an empty string. Unknown record types should be ignored. Note that there is intentionally no feature to change the global option file through gpgconf. Get and compare software versions. The GnuPG Project operates a server to query the current versions of soft- ware packages related to GnuPG. gpgconf can be used to access this online database. To allow for offline operations, this feature works by having dirmngr download a file from https://versions.gnupg.org, checking the sig- nature of that file and storing the file in the GnuPG home directory. If gpgconf is used and dirmngr is running, it may ask dirmngr to refresh that file before itself uses the file. The command --query-swdb returns information for the given package in a colon delimited format: name This is the name of the package as requested. Note that "gnupg" is a special name which is replaced by the actual package implementing this version of GnuPG. For this name it is also not required to specify a version because gpgconf takes its own version in this case. iversion The currently installed version or an empty string. The value is taken from the command line argument but may be provided by gpg if not given. status The status of the software package according to this table: - No information available. This is either because no current version has been specified or due to an error. ? The given name is not known in the online database. u An update of the software is available. c The installed version of the software is current. n The installed version is already newer than the released ver- sion. urgency If the value (the empty string should be considered as zero) is greater than zero an important update is available. error This returns an gpg-error error code to distinguish between various failure modes. filedate This gives the date of the file with the version numbers in standard ISO format (yyyymmddThhmmss). The date has been extracted by dirm- ngr from the signature of the file. verified This gives the date in ISO format the file was downloaded. This value can be used to evaluate the freshness of the information. version This returns the version string for the requested software from the file. reldate This returns the release date in ISO format. size This returns the size of the package as decimal number of bytes. hash This returns a hexified SHA-2 hash of the package. More fields may be added in future to the output. FILES gpgconf.ctl Under Unix `gpgconf.ctl' may be used to change some of the compiled in directories where the GnuPG components are expected. This file is expected in the same directory as `gpgconf'. The physical installation directories are evaluated and no symlinks. Blank lines and lines starting with pound sign are ignored in the file. The keywords must be followed by optional white space, an equal sign, optional white space, and the value. Environment variables are substituted in standard shell manner, the final value must start with a slash, trailing slashes are stripped. Valid keywords are rootdir, sysconfdir, socketdir, and .enable. No errors are printed for unknown keywords. The .enable keyword is special: if the keyword is used and its value evaluates to true the entire file is ignored. Under Windows this file is used to install GnuPG as a portable application. An empty file named `gpgconf.ctl' is expected in the same directory as the tool `gpgconf.exe' or the file must have a keyword portable with the value true. The root of the installation is then that directory; or, if `gpgconf.exe' has been installed directly below a directory named `bin', its parent directory. You also need to make sure that the following directo- ries exist and are writable: `ROOT/home' for the GnuPG home and `ROOT/var/cache/gnupg' for internal cache files. On both platforms the keyword gnupg can be used to change the standard home directory. For example a value of "gnupg-vsd" will change the default home directory on unix from `~/.gnupg' to `~/.gnupg-vsd'. The socket directory is changed accordingly unless the socketdir keyword has been used. On Windows the Registry keys are modified as well. /etc/gnupg/gpgconf.conf If this file exists, it is processed as a global configuration file. This is a legacy mechanism which should not be used together with the modern global per component configuration files. A commented example can be found in the `examples' directory of the distribution. GNUPGHOME/swdb.lst A file with current software versions. dirmngr creates this file on demand from an online resource. SEE ALSO gpg(1), gpgsm(1), gpg-agent(1), scdaemon(1), dirmngr(1) The full documentation for this tool is maintained as a Texinfo manual. If GnuPG and the info program are properly installed at your site, the command info gnupg should give you access to the complete manual including a menu structure and an index. GnuPG 2.5.18 2026-06-12 GPGCONF(1)
NAME | SYNOPSIS | DESCRIPTION | COMMANDS | OPTIONS | USAGE | FILES | SEE ALSO
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