afpd

afpd
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Name

afpd — Apple Filing Protocol daemon

Synopsis

afpd [-duptDTI] [-f defaultvolumes] [-s systemvolumes] [-n nbpname] [-c maxconnections] [-g guest] [-P pidfile] [-S port] [-L message] [-F configfile] [-U uams] [-m umask]

afpd -v | -V | -h

Description

afpd provides an Apple Filing Protocol (AFP) interface to the Unix file system. It is normally started at boot time from system init scripts or services.

afpd.conf is the configuration file used by afpd to determine the behavior and configuration of the different virtual file servers that it provides.

The list of volumes offered to the user is generated from AppleVolumes.system and one of AppleVolumes.default, ~/AppleVolumes, ~/.AppleVolumes, ~/applevolumes, or ~/.applevolumes. The AppleVolumes files is used to specify volumes to mount and file name extension mappings.

Options

-d: Specifies that the daemon should not fork. If netatalk has been configured with --enable-debug1, a trace of all AFP commands will be written to stdout.
-p: Prevents clients from saving their passwords. (Equivalent to -nosavepasswd in afpd.conf.)
-t: Allows clients to change their passwords. (Equivalent to -setpasswd in afpd.conf.)
-D: Use DDP (AppleTalk) as transport protocol. (Equivalent to -ddp in afpd.cond.)
-T: Use TCP/IP as transport protocol. (Equivalent to -tcp in afpd.conf.)
-v: Print version information and exit.
-V: Print verbose information and exit.
-h: Print help and exit.
-I: Use the Netatalk icon for mounted volumes. (Equivalent to -icon in afpd.conf.) (Later versions of Mac OS ignores this.)
-f defaultvolumes: Specifies that defaultvolumes should be read for a list of default volumes to offer, instead of AppleVolumes.default.
-s systemvolumes: Specifies that systemvolumes should be read for a list of volume that all users will be offered, instead of AppleVolumes.system.
-u: Read the user's AppleVolumes file first. This option causes volume names in the user's AppleVolumes file to override volume names in the system's AppleVolumes file. The default is to read the system AppleVolumes file first. Note that this option doesn't effect the precedence of filename extension mappings: the user's AppleVolumes file always has precedence.
-n nbpname: Specifies that nbpname should be used for NBP registration, instead of the first component of the hostname in the local zone.
-c maxconnections: Specifies the maximum number of connections to allow for this instance of afpd. The default is 20.
-g guest: Specifies the name of the guest account. The default is 'nobody'.
-P pidfile: Specifies the file in which afpd stores its process id.
-S port: Specifies the port to register with when doing AFPoverTCP. Defaults to 548. (Equivalent to -port in afpd.conf.)
-L message: Specifies the login message that will be sent to clients. (Equivalent to -loginmsg in afpd.conf.)
-F configfile: Specifies the configuration file to use. (Defaults to netatalk/afpd.conf.)
-U uams: Comma-separated list of UAMs to use for the authentication process. (Equivalent to -uamlist in afpd.conf.)
-m umask: Use this umask for the creation of folders in Netatalk.

SIGNALS

To shut down a user's afpd process it is recommended that SIGKILL (-9) NOT be used, except as a last resort, as this may leave the CNID database in an inconsistent state. The safe way to terminate an afpd is to send it a SIGTERM (-15) signal and wait for it to die on its own.

SIGTERM and SIGUSR1 signals that are sent to the main afpd process are propagated to the children, so all will be affected.

SIGTERM: Clean exit. Propagates from master to childs.
SIGQUIT: Send this to the master afpd, it will exit leaving all children running! Can be used to implement AFP service without downtime.
SIGHUP: Sending a SIGHUP to afpd will cause it to reload its configuration files.
SIGINT: Sending a SIGINT to a child afpd enables max_debug logging for this process. The log is sent to fhe file /tmp/afpd.PID.XXXXXX. Sending another SIGINT will revert to the original log settings.
SIGUSR1: The afpd process will send the message "The server is going down for maintenance." to the client and shut itself down in 5 minutes. New connections are not allowed. If this is sent to a child afpd, the other children are not affected. However, the main process will still exit, disabling all new connections.
SIGUSR2: The afpd process will look in the message directory configured at build time for a file named message.pid. For each one found, a the contents will be sent as a message to the associated AFP client. The file is removed after the message is sent. This should only be sent to a child afpd.

FILES

afpd.conf: configuration file used by afpd
AppleVolumes.default: list of default volumes to mount
AppleVolumes.system: list of volumes to offer all users
~/AppleVolumes, ~/.AppleVolumes, ~/applevolumes, ~/.applevolumes: user's list of volumes to mount
afp_signature.conf: list of server signature
afp_voluuid.conf: list of UUID for Time Machine volume
afp_ldap.conf: configuration file for LDAP and ACL support
msg/message.pid: contains messages to be sent to users.

Note