gsasl - Online in the Cloud

PROGRAM:

NAME

gsasl - SASL library command line interface

SYNOPSIS

gsasl [OPTIONS]... [HOST [PORT]]...

DESCRIPTION

GNU SASL 1.8.0

Authenticate user to a server using Simple Authentication and Security Layer. Currently
IMAP and SMTP servers are supported. This is a command line interface for the GNU SASL
library.

-h, --help
Print help and exit

-V, --version
Print version and exit

Commands:
-c, --client
Act as client. (default=on)

-s, --server
Act as server. (default=off)

--client-mechanisms
Write name of supported client mechanisms separated by space to stdout.
(default=off)

--server-mechanisms
Write name of supported server mechanisms separated by space to stdout.
(default=off)

Network options:
--connect=HOST[:PORT]
Connect to TCP server and negotiate on stream instead of stdin/stdout. PORT is the
protocol service, or an integer denoting the port, and defaults to 143 (imap) if
not specified. Also sets the --hostname default.

Generic options:
-d, --application-data
After authentication, read data from stdin and run it through the mechanism's
security layer and print it base64 encoded to stdout. The default is to terminate
after authentication.

(default=on)

--imap Use a IMAP-like logon procedure (client only). Also sets the --service default to
'imap'. (default=off)

--smtp Use a SMTP-like logon procedure (client only). Also sets the --service default to
'smtp'. (default=off)

-m, --mechanism=STRING
Mechanism to use.

--no-client-first
Disallow client to send data first (client only). (default=off)

SASL mechanism options (they are prompted for when required):
-n, --anonymous-token=STRING
Token for anonymous authentication, usually mail address (ANONYMOUS only).

-a, --authentication-id=STRING
Identity of credential owner.

-z, --authorization-id=STRING Identity to request service for.

-p, --password=STRING
Password for authentication (insecure for non-testing purposes).

-r, --realm=STRING
Realm. Defaults to hostname.

-x, --maxbuf=NUMBER
Indicate maximum buffer size (DIGEST-MD5 only).

--passcode=NUMBER
Passcode for authentication (SECURID only).

--service=STRING
Set the requested service name (should be a registered GSSAPI host based service
name).

--hostname=STRING
Set the name of the server with the requested service.

--service-name=STRING
Set the generic server name in case of a replicated server (DIGEST-MD5 only).

--enable-cram-md5-validate
Validate CRAM-MD5 challenge and response

interactively.
(default=off)

--disable-cleartext-validate
Disable cleartext validate hook, forcing server

to prompt for password.
(default=off)

--quality-of-protection=TYPE
How application payload will be protected.

'qop-auth' means no protection, 'qop-int'
means integrity protection, 'qop-conf' means integrity and confidentialiy
protection. Currently only used by DIGEST-MD5, where the default is 'qop-int'.

STARTTLS options:
--starttls
Force use of STARTTLS. The default is to use STARTTLS when available.
(default=off)

--no-starttls
Unconditionally disable STARTTLS. (default=off)

--no-cb
Don't use channel bindings from TLS. (default=off)

--x509-ca-file=FILE
File containing one or more X.509 Certificate Authorities certificates in PEM
format, used to verify the certificate received from the server. If not specified,
no verification of the remote server certificate will be done.

--x509-cert-file=FILE
File containing client X.509 certificate in PEM format. Used together with
--x509-key-file to specify the certificate/key pair.

--x509-key-file=FILE
Private key for the client X.509 certificate in PEM format. Used together with
--x509-key-file to specify the certificate/key pair.

--priority=STRING
Cipher priority string.

Other options:
--verbose
Produce verbose output. (default=off)

--quiet
Don't produce any diagnostic output. (default=off)

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