gss_inquire_context man page on DragonFly
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gss_inquire_context(3) gss gss_inquire_context(3)
NAME
gss_inquire_context - API function
SYNOPSIS
#include <gss.h>
OM_uint32 gss_inquire_context(OM_uint32 * minor_status, const
gss_ctx_id_t context_handle, gss_name_t * src_name, gss_name_t *
targ_name, OM_uint32 * lifetime_rec, gss_OID * mech_type, OM_uint32 *
ctx_flags, int * locally_initiated, int * open);
ARGUMENTS
OM_uint32 * minor_status
(Integer, modify) Mechanism specific status code.
const gss_ctx_id_t context_handle
(gss_ctx_id_t, read) A handle that refers to the
security context.
gss_name_t * src_name
(gss_name_t, modify, optional) The name of the context
initiator. If the context was established using anony‐
mous
authentication, and if the application invoking
gss_inquire_context is the context acceptor, an anonymous
name
will be returned. Storage associated with this name must
be
freed by the application after use with a call to
gss_release_name(). Specify NULL if not required.
gss_name_t * targ_name
(gss_name_t, modify, optional) The name of the context
acceptor. Storage associated with this name must be
freed by the
application after use with a call to gss_release_name().
If the
context acceptor did not authenticate itself, and if the
initiator did not specify a target name in its call to
gss_init_sec_context(), the value GSS_C_NO_NAME will be
returned.
Specify NULL if not required.
OM_uint32 * lifetime_rec
(Integer, modify, optional) The number of seconds
for which the context will remain valid. If the context
has
expired, this parameter will be set to zero. If the
implementation does not support context expiration, the
value
GSS_C_INDEFINITE will be returned. Specify NULL if not
required.
gss_OID * mech_type
(gss_OID, modify, optional) The security mechanism
providing the context. The returned OID will be a
pointer to
static storage that should be treated as read-only by the
application; in particular the application should not
attempt to
free it. Specify NULL if not required.
OM_uint32 * ctx_flags
(bit-mask, modify, optional) Contains various
independent flags, each of which indicates that the con‐
text
supports (or is expected to support, if ctx_open is
false) a
specific service option. If not needed, specify NULL.
Symbolic
names are provided for each flag, and the symbolic names
corresponding to the required flags should be logi‐
cally-ANDed
with the ret_flags value to test whether a given option
is
supported by the context. See below for the flags.
int * locally_initiated
(Boolean, modify) Non-zero if the invoking
application is the context initiator. Specify NULL if
not
required.
int * open (Boolean, modify) Non-zero if the context is fully
established; Zero if a context-establishment token is
expected
from the peer application. Specify NULL if not required.
DESCRIPTION
Obtains information about a security context. The caller must already
have obtained a handle that refers to the context, although the context
need not be fully established.
The `ctx_flags` values:
`GSS_C_DELEG_FLAG`:: - True - Credentials were delegated from the ini‐
tiator to the acceptor. - False - No credentials were delegated.
`GSS_C_MUTUAL_FLAG`:: - True - The acceptor was authenticated to the
initiator. - False - The acceptor did not authenticate itself.
`GSS_C_REPLAY_FLAG`:: - True - replay of protected messages will be
detected. - False - replayed messages will not be detected.
`GSS_C_SEQUENCE_FLAG`:: - True - out-of-sequence protected messages
will be detected. - False - out-of-sequence messages will not be
detected.
`GSS_C_CONF_FLAG`:: - True - Confidentiality service may be invoked by
calling gss_wrap routine. - False - No confidentiality service (via
gss_wrap) available. gss_wrap will provide message encapsulation,
data-origin authentication and integrity services only.
`GSS_C_INTEG_FLAG`:: - True - Integrity service may be invoked by call‐
ing either gss_get_mic or gss_wrap routines. - False - Per-message
integrity service unavailable.
`GSS_C_ANON_FLAG`:: - True - The initiator's identity will not be
revealed to the acceptor. The src_name parameter (if requested) con‐
tains an anonymous internal name. - False - The initiator has been
authenticated normally.
`GSS_C_PROT_READY_FLAG`:: - True - Protection services (as specified by
the states of the GSS_C_CONF_FLAG and GSS_C_INTEG_FLAG) are available
for use. - False - Protection services (as specified by the states of
the GSS_C_CONF_FLAG and GSS_C_INTEG_FLAG) are available only if the
context is fully established (i.e. if the open parameter is non-zero).
`GSS_C_TRANS_FLAG`:: - True - The resultant security context may be
transferred to other processes via a call to gss_export_sec_context().
- False - The security context is not transferable.
RETURN VALUE
`GSS_S_COMPLETE`: Successful completion.
`GSS_S_NO_CONTEXT`: The referenced context could not be accessed.
REPORTING BUGS
Report bugs to <bug-gss@gnu.org>. GNU Generic Security Service home
page: http://www.gnu.org/software/gss/ General help using GNU software:
http://www.gnu.org/gethelp/
COPYRIGHT
Copyright © 2003-2013 Simon Josefsson.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
SEE ALSO
The full documentation for gss is maintained as a Texinfo manual. If
the info and gss programs are properly installed at your site, the com‐
mand
info gss
should give you access to the complete manual.
gss 1.0.3 gss_inquire_context(3)
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