155 lines
4.0 KiB
C
155 lines
4.0 KiB
C
/*
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* Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "test_locl.h"
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#include <gssapi/gssapi.h>
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#include <gssapi/gssapi_krb5.h>
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#include <gssapi/gssapi_spnego.h>
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#include "gss_common.h"
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RCSID("$Id$");
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void
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write_token (int sock, gss_buffer_t buf)
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{
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uint32_t len, net_len;
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OM_uint32 min_stat;
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len = buf->length;
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net_len = htonl(len);
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if (net_write (sock, &net_len, 4) != 4)
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err (1, "write");
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if (net_write (sock, buf->value, len) != len)
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err (1, "write");
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gss_release_buffer (&min_stat, buf);
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}
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static void
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enet_read(int fd, void *buf, size_t len)
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{
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ssize_t ret;
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ret = net_read (fd, buf, len);
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if (ret == 0)
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errx (1, "EOF in read");
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else if (ret < 0)
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errx (1, "read");
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}
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void
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read_token (int sock, gss_buffer_t buf)
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{
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uint32_t len, net_len;
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enet_read (sock, &net_len, 4);
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len = ntohl(net_len);
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buf->length = len;
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buf->value = emalloc(len);
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enet_read (sock, buf->value, len);
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}
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void
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gss_print_errors (int min_stat)
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{
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OM_uint32 new_stat;
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OM_uint32 msg_ctx = 0;
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gss_buffer_desc status_string;
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OM_uint32 ret;
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do {
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ret = gss_display_status (&new_stat,
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min_stat,
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GSS_C_MECH_CODE,
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GSS_C_NO_OID,
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&msg_ctx,
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&status_string);
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fprintf (stderr, "%.*s\n", (int)status_string.length,
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(char *)status_string.value);
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gss_release_buffer (&new_stat, &status_string);
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} while (!GSS_ERROR(ret) && msg_ctx != 0);
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}
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void
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gss_verr(int exitval, int status, const char *fmt, va_list ap)
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{
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vwarnx (fmt, ap);
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gss_print_errors (status);
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exit (exitval);
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}
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void
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gss_err(int exitval, int status, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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gss_verr (exitval, status, fmt, args);
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va_end(args);
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}
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gss_OID
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select_mech(const char *mech)
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{
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if (strcasecmp(mech, "krb5") == 0)
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return GSS_KRB5_MECHANISM;
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else if (strcasecmp(mech, "spnego") == 0)
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return GSS_SPNEGO_MECHANISM;
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else if (strcasecmp(mech, "no-oid") == 0)
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return GSS_C_NO_OID;
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else
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errx (1, "Unknown mechanism '%s' (spnego, krb5, no-oid)", mech);
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}
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void
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print_gss_name(const char *prefix, gss_name_t name)
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{
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OM_uint32 maj_stat, min_stat;
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gss_buffer_desc name_token;
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maj_stat = gss_display_name (&min_stat,
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name,
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&name_token,
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NULL);
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if (GSS_ERROR(maj_stat))
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gss_err (1, min_stat, "gss_display_name");
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fprintf (stderr, "%s `%.*s'\n", prefix,
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(int)name_token.length,
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(char *)name_token.value);
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gss_release_buffer (&min_stat, &name_token);
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}
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