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rpc_gss_get_principal_name(3) [freebsd man page]

RPC_GSS_GET_PRINCIPAL_NAME(3)				   BSD Library Functions Manual 			     RPC_GSS_GET_PRINCIPAL_NAME(3)

rpc_gss_get_principal_name -- Get a principal name LIBRARY
RPC GSS-API Authentication Library (librpcsec_gss, -lrpcsec_gss) SYNOPSIS
#include <rpc/rpcsec_gss.h> bool_t rpc_gss_get_principal_name(rpc_gss_principal_t *principal, const char *mech, const char *name, const char *node, const char *domain); DESCRIPTION
This function can be used to generate a client principal name from various strings. PARAMETERS
principal If the principal is created successfully, *principal will be set to point at the new principal in GSS-API exported name form mech The name of the mechanism for this principal name The name part of the principal node If non-null, the hostname or instance part of the principal domain If non-null, the domain or realm part of the principal RETURN VALUES
Returns TRUE if the principal was created or FALSE otherwise SEE ALSO
gss_export_name(3), gssapi(3), rpc(3), rpcset_gss(3) HISTORY
The rpc_gss_get_principal_name function first appeared in FreeBSD 8.0. AUTHORS
This manual page was written by Doug Rabson <>. BSD
January 26, 2010 BSD

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

rpc_gss_get_principal_name - Get principal names at server SYNOPSIS
#include <rpc/rpcsec_gss.h> bool_t rpc_gss_get_principal_name(rpc_gss_principal_ *principal, char *mech, char *name, char *node, char *domain); DESCRIPTION
Servers need to be able to operate on a client's principal name. Such a name is stored by the server as a rpc_gss_principal_t structure, an opaque byte string which can be used either directly in access control lists or as database indices which can be used to look up a UNIX credential. A server may, for example, need to compare a principal name it has received with the principal name of a known entity, and to do that, it must be able to generate rpc_gss_principal_t structures from known entities. rpc_gss_get_principal_name() takes as input a security mechanism, a pointer to a rpc_gss_principal_t structure, and several parameters which uniquely identify an entity on a network: a user or service name, a node name, and a domain name. From these parameters it con- structs a unique, mechanism-dependent principal name of the rpc_gss_principal_t structure type. PARAMETERS
How many of the identifying parameters (name , node, and domain) are necessary to specify depends on the mechanism being used. For exam- ple, Kerberos V5 requires only a user name but can accept a node and domain name. An application can choose to set unneeded parameters to NULL. Information on RPCSEC_GSS data types for parameters may be found on the rpcsec_gss(3NSL) man page. principal An opaque, mechanism-dependent structure representing the client's principal name. mech An ASCII string representing the security mechanism in use. Valid strings may be found in the /etc/gss/mech file, or by using rpc_gss_get_mechanisms(). name A UNIX login name (for example, 'gwashington') or service name, such as 'nfs'. node A node in a domain; typically, this would be a machine name (for example, 'valleyforge'). domain A security domain; for example, a DNS, NIS, or NIS+ domain name (''). RETURN VALUES
rpc_gss_get_principal_name() returns TRUE if it is successful; otherwise, use rpc_gss_get_error() to get the error associated with the failure. FILES
/etc/gss/mech File containing valid security mechanisms 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
free(3C), rpc(3NSL), rpc_gss_get_mechanisms(3NSL), rpc_gss_set_svc_name(3NSL), rpcsec_gss(3NSL), mech(4), attributes(5) ONC+ Developer's Guide Linn, J. RFC 2078, Generic Security Service Application Program Interface, Version 2. Network Working Group. January 1997. NOTES
Principal names may be freed up by a call to free(3C). A principal name need only be freed in those instances where it was constructed by the application. (Values returned by other routines point to structures already existing in a context, and need not be freed.) SunOS 5.10 5 Feb 2002 rpc_gss_get_principal_name(3NSL)
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