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from gssapi.raw.cython_types cimport *
from gssapi.raw.oids cimport OID
from gssapi.raw.cython_converters cimport c_create_oid_set
GSSAPI="BASE" # This ensures that a full module is generated by Cython
from gssapi.raw.cython_converters cimport c_get_mech_oid_set
from gssapi.raw.named_tuples import InquireAttrsResult, DisplayAttrResult
from gssapi.raw.misc import GSSError
cdef extern from "python_gssapi_ext.h":
OM_uint32 gss_indicate_mechs_by_attrs(
OM_uint32 *minor_status,
const gss_OID_set desired_mech_attrs,
const gss_OID_set except_mech_attrs,
const gss_OID_set critical_mech_attrs,
gss_OID_set *mechs) nogil
OM_uint32 gss_inquire_attrs_for_mech(
OM_uint32 *minor_status,
const gss_OID mech,
gss_OID_set *mech_attrs,
gss_OID_set *known_mech_attrs) nogil
OM_uint32 gss_display_mech_attr(
OM_uint32 *minor_status,
const gss_OID mech_attr,
gss_buffer_t name,
gss_buffer_t short_desc,
gss_buffer_t long_desc) nogil
def indicate_mechs_by_attrs(desired_mech_attrs=None, except_mech_attrs=None,
critical_mech_attrs=None):
cdef OM_uint32 maj_stat, min_stat
cdef gss_OID_set desired_attrs = GSS_C_NO_OID_SET
cdef gss_OID_set except_attrs = GSS_C_NO_OID_SET
cdef gss_OID_set critical_attrs = GSS_C_NO_OID_SET
cdef gss_OID_set mechs
if desired_mech_attrs is not None:
desired_attrs = c_get_mech_oid_set(desired_mech_attrs)
if except_mech_attrs is not None:
except_attrs = c_get_mech_oid_set(except_mech_attrs)
if critical_mech_attrs is not None:
critical_attrs = c_get_mech_oid_set(critical_mech_attrs)
with nogil:
maj_stat = gss_indicate_mechs_by_attrs(&min_stat, desired_attrs,
except_attrs, critical_attrs,
&mechs)
if maj_stat == GSS_S_COMPLETE:
return c_create_oid_set(mechs)
else:
raise GSSError(maj_stat, min_stat)
def inquire_attrs_for_mech(OID mech):
cdef OM_uint32 maj_stat, min_stat
cdef gss_OID m = GSS_C_NO_OID
cdef gss_OID_set mech_attrs = GSS_C_NO_OID_SET
cdef gss_OID_set known_mech_attrs = GSS_C_NO_OID_SET
if mech is not None:
m = &mech.raw_oid
with nogil:
maj_stat = gss_inquire_attrs_for_mech(&min_stat, m, &mech_attrs,
&known_mech_attrs)
if maj_stat == GSS_S_COMPLETE:
return InquireAttrsResult(c_create_oid_set(mech_attrs),
c_create_oid_set(known_mech_attrs))
else:
raise GSSError(maj_stat, min_stat)
def display_mech_attr(OID attr):
cdef OM_uint32 maj_stat, min_stat
cdef gss_OID a = GSS_C_NO_OID
cdef gss_buffer_desc name
cdef gss_buffer_desc short_desc
cdef gss_buffer_desc long_desc
if attr is not None:
a = &attr.raw_oid
with nogil:
maj_stat = gss_display_mech_attr(&min_stat, a, &name, &short_desc,
&long_desc)
if maj_stat == GSS_S_COMPLETE:
out_name = (<char*>name.value)[:name.length]
out_short = (<char*>short_desc.value)[:short_desc.length]
out_long = (<char*>long_desc.value)[:long_desc.length]
gss_release_buffer(&min_stat, &name)
gss_release_buffer(&min_stat, &short_desc)
gss_release_buffer(&min_stat, &long_desc)
return DisplayAttrResult(out_name, out_short, out_long)
else:
raise GSSError(maj_stat, min_stat)
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