lib/krb5: unparse_name_fixed ERANGE if zero buffer len
[heimdal.git] / kdc / gss_preauth_authorizer_plugin.h
blob293e59da47baecdf412c695899f581a9309e062e
1 /*
2 * Copyright (c) 2019 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
34 #ifndef HEIMDAL_KDC_GSS_PREAUTH_AUTHORIZER_PLUGIN_H
35 #define HEIMDAL_KDC_GSS_PREAUTH_AUTHORIZER_PLUGIN_H 1
37 #define KDC_GSS_PREAUTH_AUTHORIZER "kdc_gss_preauth_authorizer"
38 #define KDC_GSS_PREAUTH_AUTHORIZER_VERSION_1 1
40 #include <krb5.h>
41 #include <gssapi/gssapi.h>
44 * @param init Plugin initialization function (see krb5-plugin(7))
45 * @param minor_version The plugin minor version number (1)
46 * @param fini Plugin finalization function
47 * @param authorize Plugin name authorization function
49 * -# plug_ctx, the context value output by the plugin's init function
50 * -# context, a krb5_context
51 * -# req, the AS-REQ request
52 * -# client_name, the requested client principal name
53 * -# client, the requested client HDB entry
54 * -# initiator_name, the authenticated GSS initiator name
55 * -# ret_flags, the flags returned by GSS_Init_sec_context()
56 * -# authorized, indicate whether the initiator was authorized
57 * -# mapped_name, the mapped principal name
59 * @ingroup krb5_support
62 typedef struct krb5plugin_gss_preauth_authorizer_ftable_desc {
63 int minor_version;
64 krb5_error_code (KRB5_LIB_CALL *init)(krb5_context, void **);
65 void (KRB5_LIB_CALL *fini)(void *);
66 krb5_error_code (KRB5_LIB_CALL *authorize)(void *, /*plug_ctx*/
67 astgs_request_t, /*r*/
68 gss_const_name_t, /*initiator_name*/
69 gss_const_OID, /*mech_type*/
70 OM_uint32, /*ret_flags*/
71 krb5_boolean *, /*authorized*/
72 krb5_principal *); /*mapped_name*/
73 krb5_error_code (KRB5_LIB_CALL *finalize_pac)(void *, /*plug_ctx*/
74 astgs_request_t); /*r*/
75 } krb5plugin_gss_preauth_authorizer_ftable;
77 #endif /* HEIMDAL_KDC_GSS_PREAUTH_AUTHORIZER_PLUGIN_H */