gssapiP_generic.h
/* -*- mode: c; indent-tabs-mode: nil -*- */
/*
* Copyright 1993 by OpenVision Technologies, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appears in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of OpenVision not be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. OpenVision makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _GSSAPIP_GENERIC_H_
#define _GSSAPIP_GENERIC_H_
/*
* $Id$
*/
#if defined(_WIN32)
#include "k5-int.h"
#else
#include "autoconf.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#endif
#include "k5-thread.h"
#include "gssapi_generic.h"
#include "gssapi_ext.h"
#include <gssapi/gssapi_alloc.h>
#include "gssapi_err_generic.h"
#include <errno.h>
#include "k5-platform.h"
#include "k5-buf.h"
#include "k5-input.h"
/** helper macros **/
#define g_OID_equal(o1, o2) \
(((o1)->length == (o2)->length) && \
(memcmp((o1)->elements, (o2)->elements, (o1)->length) == 0))
/** malloc wrappers; these may actually do something later */
#define xmalloc(n) malloc(n)
#define xrealloc(p,n) realloc(p,n)
#ifdef xfree
#undef xfree
#endif
#define xfree(p) free(p)
/** helper functions **/
/* hide names from applications, especially glib applications */
#define g_make_string_buffer gssint_g_make_string_buffer
#define g_token_size gssint_g_token_size
#define g_make_token_header gssint_g_make_token_header
#define g_get_token_header gssint_g_get_token_header
#define g_verify_token_header gssint_g_verify_token_header
#define g_display_major_status gssint_g_display_major_status
#define g_display_com_err_status gssint_g_display_com_err_status
#define g_seqstate_init gssint_g_seqstate_init
#define g_seqstate_check gssint_g_seqstate_check
#define g_seqstate_free gssint_g_seqstate_free
#define g_seqstate_size gssint_g_seqstate_size
#define g_seqstate_externalize gssint_g_seqstate_externalize
#define g_seqstate_internalize gssint_g_seqstate_internalize
#define g_canonicalize_host gssint_g_canonicalize_host
typedef struct g_seqnum_state_st *g_seqnum_state;
int g_make_string_buffer (const char *str, gss_buffer_t buffer);
unsigned int g_token_size (const gss_OID_desc * mech, unsigned int body_size);
void g_make_token_header (struct k5buf *buf, const gss_OID_desc *mech,
size_t body_size, int tok_type);
int g_get_token_header (struct k5input *in, gss_OID oid_out,
size_t *token_len_out);
int g_verify_token_header(struct k5input *in, gss_const_OID expected_mech);
OM_uint32 g_display_major_status (OM_uint32 *minor_status,
OM_uint32 status_value,
OM_uint32 *message_context,
gss_buffer_t status_string);
OM_uint32 g_display_com_err_status (OM_uint32 *minor_status,
OM_uint32 status_value,
gss_buffer_t status_string);
long g_seqstate_init(g_seqnum_state *state_out, uint64_t seqnum,
int do_replay, int do_sequence, int wide);
OM_uint32 g_seqstate_check(g_seqnum_state state, uint64_t seqnum);
void g_seqstate_free(g_seqnum_state state);
void g_seqstate_size(g_seqnum_state state, size_t *sizep);
long g_seqstate_externalize(g_seqnum_state state, unsigned char **buf,
size_t *lenremain);
long g_seqstate_internalize(g_seqnum_state *state_out, unsigned char **buf,
size_t *lenremain);
/** declarations of internal name mechanism functions **/
OM_uint32
generic_gss_release_buffer(
OM_uint32 *, /* minor_status */
gss_buffer_t); /* buffer */
OM_uint32
generic_gss_release_oid_set(
OM_uint32 *, /* minor_status */
gss_OID_set *); /* set */
OM_uint32
generic_gss_release_oid(
OM_uint32 *, /* minor_status */
gss_OID *); /* set */
OM_uint32
generic_gss_copy_oid(
OM_uint32 *, /* minor_status */
const gss_OID_desc * const, /* oid */
gss_OID *); /* new_oid */
OM_uint32
generic_gss_create_empty_oid_set(
OM_uint32 *, /* minor_status */
gss_OID_set *); /* oid_set */
OM_uint32
generic_gss_add_oid_set_member(
OM_uint32 *, /* minor_status */
const gss_OID_desc * const, /* member_oid */
gss_OID_set *); /* oid_set */
OM_uint32
generic_gss_test_oid_set_member(
OM_uint32 *, /* minor_status */
const gss_OID_desc * const, /* member */
gss_OID_set, /* set */
int *); /* present */
OM_uint32
generic_gss_oid_to_str(
OM_uint32 *, /* minor_status */
const gss_OID_desc * const, /* oid */
gss_buffer_t); /* oid_str */
OM_uint32
generic_gss_str_to_oid(
OM_uint32 *, /* minor_status */
gss_buffer_t, /* oid_str */
gss_OID *); /* oid */
OM_uint32
generic_gss_oid_compose(
OM_uint32 *, /* minor_status */
const char *, /* prefix */
size_t, /* prefix_len */
int, /* suffix */
gss_OID_desc *); /* oid */
OM_uint32
generic_gss_oid_decompose(
OM_uint32 *, /* minor_status */
const char *, /*prefix */
size_t, /* prefix_len */
gss_OID_desc *, /* oid */
int *); /* suffix */
int gssint_mecherrmap_init(void);
void gssint_mecherrmap_destroy(void);
OM_uint32 gssint_mecherrmap_map(OM_uint32 minor, const gss_OID_desc *oid);
int gssint_mecherrmap_get(OM_uint32 minor, gss_OID mech_oid,
OM_uint32 *mech_minor);
OM_uint32 gssint_mecherrmap_map_errcode(OM_uint32 errcode);
/*
* Transfer contents of a k5buf to a gss_buffer and invalidate the source
* On unix, this is a simple pointer copy
* On windows, memory is reallocated and copied.
*/
static inline OM_uint32
k5buf_to_gss(OM_uint32 *minor,
struct k5buf *input_k5buf,
gss_buffer_t output_buffer)
{
OM_uint32 status = GSS_S_COMPLETE;
if (k5_buf_status(input_k5buf) != 0) {
*minor = ENOMEM;
return GSS_S_FAILURE;
}
output_buffer->length = input_k5buf->len;
#if defined(_WIN32) || defined(DEBUG_GSSALLOC)
if (output_buffer->length > 0) {
output_buffer->value = gssalloc_malloc(output_buffer->length);
if (output_buffer->value) {
memcpy(output_buffer->value, input_k5buf->data,
output_buffer->length);
} else {
status = GSS_S_FAILURE;
*minor = ENOMEM;
}
} else {
output_buffer->value = NULL;
}
k5_buf_free(input_k5buf);
#else
output_buffer->value = input_k5buf->data;
memset(input_k5buf, 0, sizeof(*input_k5buf));
#endif
return status;
}
OM_uint32 generic_gss_create_empty_buffer_set
(OM_uint32 * /*minor_status*/,
gss_buffer_set_t * /*buffer_set*/);
OM_uint32 generic_gss_add_buffer_set_member
(OM_uint32 * /*minor_status*/,
const gss_buffer_t /*member_buffer*/,
gss_buffer_set_t * /*buffer_set*/);
OM_uint32 generic_gss_release_buffer_set
(OM_uint32 * /*minor_status*/,
gss_buffer_set_t * /*buffer_set*/);
OM_uint32 generic_gss_copy_oid_set
(OM_uint32 *, /* minor_status */
const gss_OID_set_desc * const /*oidset*/,
gss_OID_set * /*new_oidset*/);
extern gss_OID_set gss_ma_known_attrs;
OM_uint32 generic_gss_display_mech_attr(
OM_uint32 *minor_status,
gss_const_OID mech_attr,
gss_buffer_t name,
gss_buffer_t short_desc,
gss_buffer_t long_desc);
#endif /* _GSSAPIP_GENERIC_H_ */
