← Back to branch summary

~ubuntu-branches/ubuntu/maverick/krb5/maverick

« back to all changes in this revision

Viewing changes to src/lib/gssapi/mechglue/g_unwrap_iov.c

  • Committer: Bazaar Package Importer
  • Author(s): Sam Hartman
  • Date: 2009-05-07 16:16:34 UTC
  • mfrom: (13.1.7 sid)
  • Revision ID: james.westby@ubuntu.com-20090507161634-xqyk0s9na0le4flj
Tags: 1.7dfsg~beta1-4
http://bugs.debian.org/527353
When  decrypting the TGS response fails with the subkey, try with the
session key to work around Heimdal bug, Closes: #527353 

Show diffs side-by-side

added added

removed removed

Lines of Context:
src/lib/gssapi/mechglue/g_unwrap_iov.c
 
1
/* #pragma ident        "@(#)g_seal.c   1.19    98/04/21 SMI" */
 
2
 
 
3
/*
 
4
 * Copyright 1996 by Sun Microsystems, Inc.
 
5
 * 
 
6
 * Permission to use, copy, modify, distribute, and sell this software
 
7
 * and its documentation for any purpose is hereby granted without fee,
 
8
 * provided that the above copyright notice appears in all copies and
 
9
 * that both that copyright notice and this permission notice appear in
 
10
 * supporting documentation, and that the name of Sun Microsystems not be used
 
11
 * in advertising or publicity pertaining to distribution of the software
 
12
 * without specific, written prior permission. Sun Microsystems makes no
 
13
 * representations about the suitability of this software for any
 
14
 * purpose.  It is provided "as is" without express or implied warranty.
 
15
 * 
 
16
 * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 
17
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 
18
 * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 
19
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
 
20
 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 
21
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 
22
 * PERFORMANCE OF THIS SOFTWARE.
 
23
 */
 
24
 
 
25
/*
 
26
 *  glue routine for gss_unwrap_iov
 
27
 */
 
28
 
 
29
#include "mglueP.h"
 
30
 
 
31
static OM_uint32
 
32
val_unwrap_iov_args(
 
33
    OM_uint32 *minor_status,
 
34
    gss_ctx_id_t context_handle,
 
35
    int *conf_state,
 
36
    gss_qop_t *qop_state,
 
37
    gss_iov_buffer_desc *iov,
 
38
    int iov_count)
 
39
{
 
40
 
 
41
    /* Initialize outputs. */
 
42
 
 
43
    if (minor_status != NULL)
 
44
        *minor_status = 0;
 
45
 
 
46
    /* Validate arguments. */
 
47
 
 
48
    if (minor_status == NULL)
 
49
        return (GSS_S_CALL_INACCESSIBLE_WRITE);
 
50
 
 
51
    if (context_handle == GSS_C_NO_CONTEXT)
 
52
        return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
 
53
 
 
54
    if (iov == GSS_C_NO_IOV_BUFFER)
 
55
        return (GSS_S_CALL_INACCESSIBLE_READ);
 
56
 
 
57
    return (GSS_S_COMPLETE);
 
58
}
 
59
 
 
60
 
 
61
OM_uint32 KRB5_CALLCONV
 
62
gss_unwrap_iov (minor_status,
 
63
                context_handle,
 
64
                conf_state,
 
65
                qop_state,
 
66
                iov,
 
67
                iov_count)
 
68
OM_uint32 *             minor_status;
 
69
gss_ctx_id_t            context_handle;
 
70
int *                   conf_state;
 
71
gss_qop_t               *qop_state;
 
72
gss_iov_buffer_desc  *  iov;
 
73
int                     iov_count;
 
74
{
 
75
 /* EXPORT DELETE START */
 
76
 
 
77
    OM_uint32           status;
 
78
    gss_union_ctx_id_t  ctx;
 
79
    gss_mechanism       mech;
 
80
 
 
81
    status = val_unwrap_iov_args(minor_status, context_handle,
 
82
                                 conf_state, qop_state, iov, iov_count);
 
83
    if (status != GSS_S_COMPLETE)
 
84
        return (status);
 
85
 
 
86
    /*
 
87
     * select the approprate underlying mechanism routine and
 
88
     * call it.
 
89
     */
 
90
    
 
91
    ctx = (gss_union_ctx_id_t) context_handle;
 
92
    mech = gssint_get_mechanism (ctx->mech_type);
 
93
    
 
94
    if (mech) {
 
95
        if (mech->gss_unwrap_iov) {
 
96
            status = mech->gss_unwrap_iov(
 
97
                                          minor_status,
 
98
                                          ctx->internal_ctx_id,
 
99
                                          conf_state,
 
100
                                          qop_state,
 
101
                                          iov,
 
102
                                          iov_count);
 
103
            if (status != GSS_S_COMPLETE)
 
104
                map_error(minor_status, mech);
 
105
        } else
 
106
            status = GSS_S_UNAVAILABLE;
 
107
        
 
108
        return(status);
 
109
    }
 
110
 /* EXPORT DELETE END */
 
111
 
 
112
    return (GSS_S_BAD_MECH);
 
113
}
 
114