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rpc_gss_max_data_length(3) [freebsd man page]

RPC_GSS_MAX_DATA_LENGTH(3)				   BSD Library Functions Manual 				RPC_GSS_MAX_DATA_LENGTH(3)

rpc_gss_max_data_length -- calculate maximum data size LIBRARY
RPC GSS-API Authentication Library (librpcsec_gss, -lrpcsec_gss) SYNOPSIS
#include <rpc/rpcsec_gss.h> int rpc_gss_max_data_length(AUTH *auth, int max_tp_unit_len); DESCRIPTION
Calculate the maximum message size that will fit into a packet of size max_tp_unit_len, given the current service and QoP setting. PARAMETERS
auth A handle to a RPCSEC_GSS security context max_tp_unit_len Maximum packet size of the underlying transport protocol RETURN VALUES
The maximum message size that can be encoded SEE ALSO
gssapi(3), rpc(3), rpcset_gss(3) HISTORY
The rpc_gss_max_data_length function first appeared in FreeBSD 8.0. AUTHORS
This manual page was written by Doug Rabson <>. BSD
January 26, 2010 BSD

Check Out this Related Man Page

rpc_gss_max_data_length(3NSL)			       Networking Services Library Functions			     rpc_gss_max_data_length(3NSL)

rpc_gss_max_data_length, rpc_gss_svc_max_data_length - get maximum data length for transmission SYNOPSIS
#include <rpc/rpcsec_gss.h> int rpc_gss_max_data_length(AUTH *handle, int max_tp_unit_len); int rpc_gss_svc_max_data_length(struct svc_req *req, int max_tp_unit_len); DESCRIPTION
Performing a security transformation on a piece of data generally produces data with a different (usually greater) length. For some transports, such as UDP, there is a maximum length of data which can be sent out in one data unit. Applications need to know the maximum size a piece of data can be before it's transformed, so that the resulting data will still "fit" on the transport. These two functions return that maximum size. rpc_gss_max_data_length() is the client-side version; rpc_gss_svc_max_data_length() is the server-side version. PARAMETERS
handle An RPC context handle of type AUTH, returned when a context is created (for example, by rpc_gss_seccreate(). Secu- rity service and QOP are bound to this handle, eliminating any need to specify them. max_tp_unit_len The maximum size of a piece of data allowed by the transport. req A pointer to an RPC svc_req structure, containing information on the context (for example, program number and cre- dentials). RETURN VALUES
Both functions return the maximum size of untransformed data allowed, as an int. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ |Availability |SUNWrsg (32-bit) | +-----------------------------+-----------------------------+ | |SUNWrsgx (64-bit) | +-----------------------------+-----------------------------+ SEE ALSO
rpc(3NSL), rpcsec_gss(3NSL), attributes(5) ONC+ Developer's Guide Linn, J. RFC 2078, Generic Security Service Application Program Interface, Version 2. Network Working Group. January 1997. SunOS 5.10 5 Feb 2002 rpc_gss_max_data_length(3NSL)
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