1 /*- 2 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/ 3 * Authors: Doug Rabson <dfr@rabson.org> 4 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/param.h> 32 #include <sys/kernel.h> 33 #include <sys/kobj.h> 34 #include <sys/malloc.h> 35 #include <sys/mbuf.h> 36 37 #include <kgssapi/gssapi.h> 38 #include <kgssapi/gssapi_impl.h> 39 40 #include "kgss_if.h" 41 42 OM_uint32 43 gss_wrap(OM_uint32 *minor_status, 44 const gss_ctx_id_t ctx, 45 int conf_req_flag, 46 gss_qop_t qop_req, 47 const gss_buffer_t input_message_buffer, 48 int *conf_state, 49 gss_buffer_t output_message_buffer) 50 { 51 OM_uint32 maj_stat; 52 struct mbuf *m; 53 54 if (!ctx) { 55 *minor_status = 0; 56 return (GSS_S_NO_CONTEXT); 57 } 58 59 MGET(m, M_WAITOK, MT_DATA); 60 if (input_message_buffer->length > MLEN) 61 MCLGET(m, M_WAITOK); 62 m_append(m, input_message_buffer->length, input_message_buffer->value); 63 64 maj_stat = KGSS_WRAP(ctx, minor_status, conf_req_flag, qop_req, 65 &m, conf_state); 66 67 /* 68 * On success, m is the wrapped message, on failure, m is 69 * freed. 70 */ 71 if (maj_stat == GSS_S_COMPLETE) { 72 output_message_buffer->length = m_length(m, NULL); 73 output_message_buffer->value = 74 malloc(output_message_buffer->length, 75 M_GSSAPI, M_WAITOK); 76 m_copydata(m, 0, output_message_buffer->length, 77 output_message_buffer->value); 78 m_freem(m); 79 } 80 81 return (maj_stat); 82 } 83 84 OM_uint32 85 gss_wrap_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx, 86 int conf_req_flag, gss_qop_t qop_req, struct mbuf **mp, int *conf_state) 87 { 88 89 if (!ctx) { 90 *minor_status = 0; 91 return (GSS_S_NO_CONTEXT); 92 } 93 94 return (KGSS_WRAP(ctx, minor_status, conf_req_flag, qop_req, 95 mp, conf_state)); 96 } 97