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📄 Makefile(2.77 KB)
📄 Makefile.depend(276 B)
📄 Symbol.map(1.52 KB)
📄 context.h(1.47 KB)
📄 cred.h(1.76 KB)
📄 gss_accept_sec_context.3(14.86 KB)
📄 gss_accept_sec_context.c(7.62 KB)
📄 gss_acquire_cred.3(8.06 KB)
📄 gss_acquire_cred.c(4.56 KB)
📄 gss_add_cred.3(10.85 KB)
📄 gss_add_cred.c(5.51 KB)
📄 gss_add_oid_set_member.3(4.63 KB)
📄 gss_add_oid_set_member.c(2.48 KB)
📄 gss_buffer_set.c(3.45 KB)
📄 gss_canonicalize_name.3(4.88 KB)
📄 gss_canonicalize_name.c(2.93 KB)
📄 gss_compare_name.3(4.32 KB)
📄 gss_compare_name.c(2.71 KB)
📄 gss_context_time.3(4.09 KB)
📄 gss_context_time.c(1.75 KB)
📄 gss_create_empty_oid_set.3(4.18 KB)
📄 gss_create_empty_oid_set.c(1.8 KB)
📄 gss_decapsulate_token.c(2.87 KB)
📄 gss_delete_sec_context.3(5.77 KB)
📄 gss_delete_sec_context.c(2.12 KB)
📄 gss_display_name.3(4.97 KB)
📄 gss_display_name.c(2.86 KB)
📄 gss_display_status.3(6.54 KB)
📄 gss_display_status.c(10.57 KB)
📄 gss_duplicate_name.3(4.22 KB)
📄 gss_duplicate_name.c(3.18 KB)
📄 gss_duplicate_oid.c(2.12 KB)
📄 gss_encapsulate_token.c(3.21 KB)
📄 gss_export_name.3(4.57 KB)
📄 gss_export_name.c(2.04 KB)
📄 gss_export_sec_context.3(6.4 KB)
📄 gss_export_sec_context.c(2.89 KB)
📄 gss_get_mic.3(5.68 KB)
📄 gss_get_mic.c(1.98 KB)
📄 gss_import_name.3(4.95 KB)
📄 gss_import_name.c(5.63 KB)
📄 gss_import_sec_context.3(4.45 KB)
📄 gss_import_sec_context.c(2.72 KB)
📄 gss_indicate_mechs.3(3.99 KB)
📄 gss_indicate_mechs.c(2.37 KB)
📄 gss_init_sec_context.3(17.01 KB)
📄 gss_init_sec_context.c(4.55 KB)
📄 gss_inquire_context.3(8.27 KB)
📄 gss_inquire_context.c(3.13 KB)
📄 gss_inquire_cred.3(5.21 KB)
📄 gss_inquire_cred.c(5.27 KB)
📄 gss_inquire_cred_by_mech.3(5.79 KB)
📄 gss_inquire_cred_by_mech.c(2.92 KB)
📄 gss_inquire_cred_by_oid.c(3 KB)
📄 gss_inquire_mechs_for_name.3(4.91 KB)
📄 gss_inquire_mechs_for_name.c(2.66 KB)
📄 gss_inquire_names_for_mech.3(4.03 KB)
📄 gss_inquire_names_for_mech.c(2.52 KB)
📄 gss_inquire_sec_context_by_oid.c(2.16 KB)
📄 gss_krb5.c(2.63 KB)
📄 gss_mech_switch.c(6.99 KB)
📄 gss_names.c(9.17 KB)
📄 gss_oid_to_str.c(3.58 KB)
📄 gss_pname_to_uid.c(2.43 KB)
📄 gss_process_context_token.3(5 KB)
📄 gss_process_context_token.c(1.79 KB)
📄 gss_pseudo_random.c(2.6 KB)
📄 gss_release_buffer.3(4.24 KB)
📄 gss_release_buffer.c(1.65 KB)
📄 gss_release_cred.3(4.08 KB)
📄 gss_release_cred.c(2.03 KB)
📄 gss_release_name.3(3.89 KB)
📄 gss_release_name.c(2.09 KB)
📄 gss_release_oid.c(2.13 KB)
📄 gss_release_oid_set.3(4.13 KB)
📄 gss_release_oid_set.c(1.84 KB)
📄 gss_seal.c(1.78 KB)
📄 gss_set_cred_option.c(3.52 KB)
📄 gss_set_sec_context_option.c(2.91 KB)
📄 gss_sign.c(1.67 KB)
📄 gss_test_oid_set_member.3(4.26 KB)
📄 gss_test_oid_set_member.c(1.74 KB)
📄 gss_unseal.c(1.76 KB)
📄 gss_unwrap.3(6.38 KB)
📄 gss_unwrap.c(1.92 KB)
📄 gss_utils.c(2.71 KB)
📄 gss_verify.c(1.69 KB)
📄 gss_verify_mic.3(5.89 KB)
📄 gss_verify_mic.c(1.97 KB)
📄 gss_wrap.3(6.1 KB)
📄 gss_wrap.c(2.12 KB)
📄 gss_wrap_size_limit.3(5.7 KB)
📄 gss_wrap_size_limit.c(1.99 KB)
📄 gssapi.3(9.9 KB)
📄 mech.5(3.35 KB)
📄 mech_switch.h(13.89 KB)
📄 name.h(2.07 KB)
📄 spnego.h(1.5 KB)
📄 utils.h(1.77 KB)

Editing: gss_encapsulate_token.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2008 Doug Rabson
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

#include <gssapi/gssapi.h>
#include <stdlib.h>
#include <string.h>

#include "utils.h"

OM_uint32
gss_encapsulate_token(const gss_buffer_t input_token, gss_OID oid,
    gss_buffer_t output_token)
{
	unsigned char *p;
	size_t len, inside_len;
	size_t a, b;
	int i;

_gss_buffer_zero(output_token);

/*
	 * First time around, we calculate the size, second time, we
	 * encode the token.
	 */
	p = NULL;
	for (i = 0; i < 2; i++) {
		len = 0;

/*
		 * Token starts with [APPLICATION 0] SEQUENCE.
		 */
		if (p)
			*p++ = 0x60;
		len++;

/*
		 * The length embedded in the token is the space
		 * needed for the encapsulated oid plus the length of
		 * the inner token.
		 */
		if (oid->length > 127)
			return (GSS_S_DEFECTIVE_TOKEN);

inside_len = 2 + oid->length + input_token->length;

/*
		 * Figure out how to encode the length
		 */
		if (inside_len < 128) {
			if (p)
				*p++ = inside_len;
			len++;
		} else {
			b = 1;
			if (inside_len >= 0x100)
				b++;
			if (inside_len >= 0x10000)
				b++;
			if (inside_len >= 0x1000000)
				b++;
			if (p)
				*p++ = b | 0x80;
			len++;
			a = inside_len << 8*(4 - b);
			while (b) {
				if (p)
					*p++ = (a >> 24);
				a <<= 8;
				len++;
				b--;
			}
		}

/*
		 * Encode the OID for the mechanism. Simplify life by
		 * assuming that the OID length is less than 128 bytes.
		 */
		if (p)
			*p++ = 0x06;
		len++;
		if (p)
			*p++ = oid->length;
		len++;
		if (p) {
			memcpy(p, oid->elements, oid->length);
			p += oid->length;
		}
		len += oid->length;

if (p) {
			memcpy(p, input_token->value, input_token->length);
			p += input_token->length;
		}
		len += input_token->length;

if (i == 0) {
			output_token->length = len;
			output_token->value = malloc(len);
			if (!output_token->value)
				return (GSS_S_DEFECTIVE_TOKEN);
			p = output_token->value;
		}
	}

return (GSS_S_COMPLETE);
}

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Editing: gss_encapsulate_token.c

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