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/*
* Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
*/
#include "test_locl.h"
#include <gssapi/gssapi.h>
#include <gssapi/gssapi_krb5.h>
#include <gssapi/gssapi_spnego.h>
#include "gss_common.h"
RCSID("$Id$");
void
write_token (int sock, gss_buffer_t buf)
{
uint32_t len, net_len;
OM_uint32 min_stat;
len = buf->length;
net_len = htonl(len);
if (net_write (sock, &net_len, 4) != 4)
err (1, "write");
if (net_write (sock, buf->value, len) != len)
err (1, "write");
gss_release_buffer (&min_stat, buf);
}
static void
enet_read(int fd, void *buf, size_t len)
{
ssize_t ret;
ret = net_read (fd, buf, len);
if (ret == 0)
errx (1, "EOF in read");
else if (ret < 0)
errx (1, "read");
}
void
read_token (int sock, gss_buffer_t buf)
{
uint32_t len, net_len;
enet_read (sock, &net_len, 4);
len = ntohl(net_len);
buf->length = len;
buf->value = emalloc(len);
enet_read (sock, buf->value, len);
}
void
gss_print_errors (int min_stat)
{
OM_uint32 new_stat;
OM_uint32 msg_ctx = 0;
gss_buffer_desc status_string;
OM_uint32 ret;
do {
ret = gss_display_status (&new_stat,
min_stat,
GSS_C_MECH_CODE,
GSS_C_NO_OID,
&msg_ctx,
&status_string);
fprintf (stderr, "%.*s\n", (int)status_string.length,
(char *)status_string.value);
gss_release_buffer (&new_stat, &status_string);
} while (!GSS_ERROR(ret) && msg_ctx != 0);
}
void
gss_verr(int exitval, int status, const char *fmt, va_list ap)
{
vwarnx (fmt, ap);
gss_print_errors (status);
exit (exitval);
}
void
gss_err(int exitval, int status, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
gss_verr (exitval, status, fmt, args);
va_end(args);
}
gss_OID
select_mech(const char *mech)
{
if (strcasecmp(mech, "krb5") == 0)
return GSS_KRB5_MECHANISM;
else if (strcasecmp(mech, "spnego") == 0)
return GSS_SPNEGO_MECHANISM;
else if (strcasecmp(mech, "no-oid") == 0)
return GSS_C_NO_OID;
else
errx (1, "Unknown mechanism '%s' (spnego, krb5, no-oid)", mech);
}
void
print_gss_name(const char *prefix, gss_name_t name)
{
OM_uint32 maj_stat, min_stat;
gss_buffer_desc name_token;
maj_stat = gss_display_name (&min_stat,
name,
&name_token,
NULL);
if (GSS_ERROR(maj_stat))
gss_err (1, min_stat, "gss_display_name");
fprintf (stderr, "%s `%.*s'\n", prefix,
(int)name_token.length,
(char *)name_token.value);
gss_release_buffer (&min_stat, &name_token);
}
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