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/* -*- mode: c; indent-tabs-mode: nil -*- */
/*
* Copyright 2009 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gssapi/gssapi.h>
#include <gssapi/gssapi_ext.h>
static void
displayStatus_1(char *m, OM_uint32 code, int type)
{
OM_uint32 maj_stat, min_stat;
gss_buffer_desc msg;
OM_uint32 msg_ctx;
msg_ctx = 0;
while (1) {
maj_stat = gss_display_status(&min_stat, code,
type, GSS_C_NULL_OID,
&msg_ctx, &msg);
fprintf(stderr, "%s: %s\n", m, (char *)msg.value);
(void) gss_release_buffer(&min_stat, &msg);
if (!msg_ctx)
break;
}
}
static void
displayStatus(char *msg, OM_uint32 maj_stat, OM_uint32 min_stat)
{
displayStatus_1(msg, maj_stat, GSS_C_GSS_CODE);
displayStatus_1(msg, min_stat, GSS_C_MECH_CODE);
}
static
OM_uint32 dumpMechAttrs(OM_uint32 *minor, gss_OID mech)
{
OM_uint32 major, tmpMinor;
gss_OID_set mech_attrs = GSS_C_NO_OID_SET;
gss_OID_set known_attrs = GSS_C_NO_OID_SET;
size_t i;
major = gss_inquire_attrs_for_mech(minor, mech, &mech_attrs, &known_attrs);
if (GSS_ERROR(major)) {
displayStatus("gss_inquire_attrs_for_mech", major, *minor);
return major;
}
printf("Mech attrs: ");
for (i = 0; i < mech_attrs->count; i++) {
gss_buffer_desc name = GSS_C_EMPTY_BUFFER;
gss_buffer_desc short_desc = GSS_C_EMPTY_BUFFER;
gss_buffer_desc long_desc = GSS_C_EMPTY_BUFFER;
major = gss_display_mech_attr(minor, &mech_attrs->elements[i],
&name, &short_desc, &long_desc);
if (GSS_ERROR(major)) {
displayStatus("gss_display_mech_attr", major, *minor);
continue;
}
printf("%.*s ", (int)name.length, (char *)name.value);
gss_release_buffer(minor, &name);
gss_release_buffer(minor, &short_desc);
gss_release_buffer(minor, &long_desc);
}
printf("\n");
printf("Known attrs: ");
for (i = 0; i < known_attrs->count; i++) {
gss_buffer_desc name = GSS_C_EMPTY_BUFFER;
gss_buffer_desc short_desc = GSS_C_EMPTY_BUFFER;
gss_buffer_desc long_desc = GSS_C_EMPTY_BUFFER;
major = gss_display_mech_attr(minor, &known_attrs->elements[i],
&name, &short_desc, &long_desc);
if (GSS_ERROR(major)) {
displayStatus("gss_display_mech_attr", major, *minor);
continue;
}
printf("%.*s ", (int)name.length, (char *)name.value);
gss_release_buffer(minor, &name);
gss_release_buffer(minor, &short_desc);
gss_release_buffer(minor, &long_desc);
}
printf("\n");
gss_release_oid_set(&tmpMinor, &mech_attrs);
gss_release_oid_set(&tmpMinor, &known_attrs);
return GSS_S_COMPLETE;
}
int main(int argc, char *argv[])
{
gss_OID_set mechs;
OM_uint32 major, minor;
size_t i;
major = gss_indicate_mechs(&minor, &mechs);
if (GSS_ERROR(major)) {
displayStatus("gss_indicate_mechs", major, minor);
return major;
}
for (i = 0; i < mechs->count; i++) {
gss_buffer_desc oidstr = GSS_C_EMPTY_BUFFER;
gss_buffer_desc sasl_mech_name = GSS_C_EMPTY_BUFFER;
gss_buffer_desc mech_name = GSS_C_EMPTY_BUFFER;
gss_buffer_desc mech_description = GSS_C_EMPTY_BUFFER;
gss_OID oid = GSS_C_NO_OID;
major = gss_oid_to_str(&minor, &mechs->elements[i], &oidstr);
if (GSS_ERROR(major))
continue;
major = gss_inquire_saslname_for_mech(&minor, &mechs->elements[i],
&sasl_mech_name, &mech_name,
&mech_description);
if (GSS_ERROR(major)) {
gss_release_buffer(&minor, &oidstr);
continue;
}
printf("-------------------------------------------------------------"
"-----------------\n");
printf("OID : %.*s\n", (int)oidstr.length,
(char *)oidstr.value);
printf("SASL mech : %.*s\n", (int)sasl_mech_name.length,
(char *)sasl_mech_name.value);
printf("Mech name : %.*s\n", (int)mech_name.length,
(char *)mech_name.value);
printf("Mech desc : %.*s\n", (int)mech_description.length,
(char *)mech_description.value);
dumpMechAttrs(&minor, &mechs->elements[i]);
printf("-------------------------------------------------------------"
"-----------------\n");
if (GSS_ERROR(gss_inquire_mech_for_saslname(&minor, &sasl_mech_name,
&oid))) {
displayStatus("gss_inquire_mech_for_saslname", major, minor);
} else if (oid == GSS_C_NO_OID ||
(oid->length != mechs->elements[i].length &&
memcmp(oid->elements, mechs->elements[i].elements,
oid->length) != 0)) {
gss_release_buffer(&minor, &oidstr);
(void) gss_oid_to_str(&minor, oid, &oidstr);
fprintf(stderr, "Got different OID %.*s for mechanism %.*s\n",
(int)oidstr.length, (char *)oidstr.value,
(int)sasl_mech_name.length, (char *)sasl_mech_name.value);
}
gss_release_buffer(&minor, &oidstr);
gss_release_buffer(&minor, &sasl_mech_name);
gss_release_buffer(&minor, &mech_name);
gss_release_buffer(&minor, &mech_description);
}
gss_release_oid_set(&minor, &mechs);
return GSS_ERROR(major) ? 1 : 0;
}
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